diff options
Diffstat (limited to 'net')
52 files changed, 4339 insertions, 2126 deletions
diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c index 1eea820..42d53b8 100644 --- a/net/bluetooth/bnep/core.c +++ b/net/bluetooth/bnep/core.c @@ -65,15 +65,13 @@ static DECLARE_RWSEM(bnep_session_sem); static struct bnep_session *__bnep_get_session(u8 *dst) { struct bnep_session *s; - struct list_head *p; BT_DBG(""); - list_for_each(p, &bnep_session_list) { - s = list_entry(p, struct bnep_session, list); + list_for_each_entry(s, &bnep_session_list, list) if (!compare_ether_addr(dst, s->eh.h_source)) return s; - } + return NULL; } @@ -665,17 +663,14 @@ static void __bnep_copy_ci(struct bnep_conninfo *ci, struct bnep_session *s) int bnep_get_connlist(struct bnep_connlist_req *req) { - struct list_head *p; + struct bnep_session *s; int err = 0, n = 0; down_read(&bnep_session_sem); - list_for_each(p, &bnep_session_list) { - struct bnep_session *s; + list_for_each_entry(s, &bnep_session_list, list) { struct bnep_conninfo ci; - s = list_entry(p, struct bnep_session, list); - __bnep_copy_ci(&ci, s); if (copy_to_user(req->ci, &ci, sizeof(ci))) { diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c index 5a6e634..6c9c1fd 100644 --- a/net/bluetooth/cmtp/core.c +++ b/net/bluetooth/cmtp/core.c @@ -53,15 +53,13 @@ static LIST_HEAD(cmtp_session_list); static struct cmtp_session *__cmtp_get_session(bdaddr_t *bdaddr) { struct cmtp_session *session; - struct list_head *p; BT_DBG(""); - list_for_each(p, &cmtp_session_list) { - session = list_entry(p, struct cmtp_session, list); + list_for_each_entry(session, &cmtp_session_list, list) if (!bacmp(bdaddr, &session->bdaddr)) return session; - } + return NULL; } @@ -432,19 +430,16 @@ int cmtp_del_connection(struct cmtp_conndel_req *req) int cmtp_get_connlist(struct cmtp_connlist_req *req) { - struct list_head *p; + struct cmtp_session *session; int err = 0, n = 0; BT_DBG(""); down_read(&cmtp_session_sem); - list_for_each(p, &cmtp_session_list) { - struct cmtp_session *session; + list_for_each_entry(session, &cmtp_session_list, list) { struct cmtp_conninfo ci; - session = list_entry(p, struct cmtp_session, list); - __cmtp_copy_session(session, &ci); if (copy_to_user(req->ci, &ci, sizeof(ci))) { diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index c1c597e..401d8ea 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -123,7 +123,7 @@ static void hci_acl_connect_cancel(struct hci_conn *conn) BT_DBG("%p", conn); - if (conn->hdev->hci_ver < 2) + if (conn->hdev->hci_ver < BLUETOOTH_VER_1_2) return; bacpy(&cp.bdaddr, &conn->dst); @@ -275,9 +275,10 @@ void hci_sco_setup(struct hci_conn *conn, __u8 status) } } -static void hci_conn_timeout(unsigned long arg) +static void hci_conn_timeout(struct work_struct *work) { - struct hci_conn *conn = (void *) arg; + struct hci_conn *conn = container_of(work, struct hci_conn, + disc_work.work); struct hci_dev *hdev = conn->hdev; __u8 reason; @@ -311,6 +312,42 @@ static void hci_conn_timeout(unsigned long arg) hci_dev_unlock(hdev); } +/* Enter sniff mode */ +static void hci_conn_enter_sniff_mode(struct hci_conn *conn) +{ + struct hci_dev *hdev = conn->hdev; + + BT_DBG("conn %p mode %d", conn, conn->mode); + + if (test_bit(HCI_RAW, &hdev->flags)) + return; + + if (!lmp_sniff_capable(hdev) || !lmp_sniff_capable(conn)) + return; + + if (conn->mode != HCI_CM_ACTIVE || !(conn->link_policy & HCI_LP_SNIFF)) + return; + + if (lmp_sniffsubr_capable(hdev) && lmp_sniffsubr_capable(conn)) { + struct hci_cp_sniff_subrate cp; + cp.handle = cpu_to_le16(conn->handle); + cp.max_latency = cpu_to_le16(0); + cp.min_remote_timeout = cpu_to_le16(0); + cp.min_local_timeout = cpu_to_le16(0); + hci_send_cmd(hdev, HCI_OP_SNIFF_SUBRATE, sizeof(cp), &cp); + } + + if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) { + struct hci_cp_sniff_mode cp; + cp.handle = cpu_to_le16(conn->handle); + cp.max_interval = cpu_to_le16(hdev->sniff_max_interval); + cp.min_interval = cpu_to_le16(hdev->sniff_min_interval); + cp.attempt = cpu_to_le16(4); + cp.timeout = cpu_to_le16(1); + hci_send_cmd(hdev, HCI_OP_SNIFF_MODE, sizeof(cp), &cp); + } +} + static void hci_conn_idle(unsigned long arg) { struct hci_conn *conn = (void *) arg; @@ -325,12 +362,8 @@ static void hci_conn_auto_accept(unsigned long arg) struct hci_conn *conn = (void *) arg; struct hci_dev *hdev = conn->hdev; - hci_dev_lock(hdev); - hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY, sizeof(conn->dst), &conn->dst); - - hci_dev_unlock(hdev); } struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst) @@ -374,7 +407,9 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst) skb_queue_head_init(&conn->data_q); - setup_timer(&conn->disc_timer, hci_conn_timeout, (unsigned long)conn); + INIT_LIST_HEAD(&conn->chan_list);; + + INIT_DELAYED_WORK(&conn->disc_work, hci_conn_timeout); setup_timer(&conn->idle_timer, hci_conn_idle, (unsigned long)conn); setup_timer(&conn->auto_accept_timer, hci_conn_auto_accept, (unsigned long) conn); @@ -383,8 +418,6 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst) hci_dev_hold(hdev); - tasklet_disable(&hdev->tx_task); - hci_conn_hash_add(hdev, conn); if (hdev->notify) hdev->notify(hdev, HCI_NOTIFY_CONN_ADD); @@ -393,8 +426,6 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst) hci_conn_init_sysfs(conn); - tasklet_enable(&hdev->tx_task); - return conn; } @@ -406,7 +437,7 @@ int hci_conn_del(struct hci_conn *conn) del_timer(&conn->idle_timer); - del_timer(&conn->disc_timer); + cancel_delayed_work_sync(&conn->disc_work); del_timer(&conn->auto_accept_timer); @@ -430,14 +461,13 @@ int hci_conn_del(struct hci_conn *conn) } } - tasklet_disable(&hdev->tx_task); + + hci_chan_list_flush(conn); hci_conn_hash_del(hdev, conn); if (hdev->notify) hdev->notify(hdev, HCI_NOTIFY_CONN_DEL); - tasklet_enable(&hdev->tx_task); - skb_queue_purge(&conn->data_q); hci_conn_put_device(conn); @@ -453,16 +483,13 @@ int hci_conn_del(struct hci_conn *conn) struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src) { int use_src = bacmp(src, BDADDR_ANY); - struct hci_dev *hdev = NULL; - struct list_head *p; + struct hci_dev *hdev = NULL, *d; BT_DBG("%s -> %s", batostr(src), batostr(dst)); read_lock_bh(&hci_dev_list_lock); - list_for_each(p, &hci_dev_list) { - struct hci_dev *d = list_entry(p, struct hci_dev, list); - + list_for_each_entry(d, &hci_dev_list, list) { if (!test_bit(HCI_UP, &d->flags) || test_bit(HCI_RAW, &d->flags)) continue; @@ -766,60 +793,18 @@ timer: jiffies + msecs_to_jiffies(hdev->idle_timeout)); } -/* Enter sniff mode */ -void hci_conn_enter_sniff_mode(struct hci_conn *conn) -{ - struct hci_dev *hdev = conn->hdev; - - BT_DBG("conn %p mode %d", conn, conn->mode); - - if (test_bit(HCI_RAW, &hdev->flags)) - return; - - if (!lmp_sniff_capable(hdev) || !lmp_sniff_capable(conn)) - return; - - if (conn->mode != HCI_CM_ACTIVE || !(conn->link_policy & HCI_LP_SNIFF)) - return; - - if (lmp_sniffsubr_capable(hdev) && lmp_sniffsubr_capable(conn)) { - struct hci_cp_sniff_subrate cp; - cp.handle = cpu_to_le16(conn->handle); - cp.max_latency = cpu_to_le16(0); - cp.min_remote_timeout = cpu_to_le16(0); - cp.min_local_timeout = cpu_to_le16(0); - hci_send_cmd(hdev, HCI_OP_SNIFF_SUBRATE, sizeof(cp), &cp); - } - - if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) { - struct hci_cp_sniff_mode cp; - cp.handle = cpu_to_le16(conn->handle); - cp.max_interval = cpu_to_le16(hdev->sniff_max_interval); - cp.min_interval = cpu_to_le16(hdev->sniff_min_interval); - cp.attempt = cpu_to_le16(4); - cp.timeout = cpu_to_le16(1); - hci_send_cmd(hdev, HCI_OP_SNIFF_MODE, sizeof(cp), &cp); - } -} - /* Drop all connection on the device */ void hci_conn_hash_flush(struct hci_dev *hdev) { struct hci_conn_hash *h = &hdev->conn_hash; - struct list_head *p; + struct hci_conn *c; BT_DBG("hdev %s", hdev->name); - p = h->list.next; - while (p != &h->list) { - struct hci_conn *c; - - c = list_entry(p, struct hci_conn, list); - p = p->next; - + list_for_each_entry_rcu(c, &h->list, list) { c->state = BT_CLOSED; - hci_proto_disconn_cfm(c, 0x16); + hci_proto_disconn_cfm(c, HCI_ERROR_LOCAL_HOST_TERM); hci_conn_del(c); } } @@ -855,10 +840,10 @@ EXPORT_SYMBOL(hci_conn_put_device); int hci_get_conn_list(void __user *arg) { + register struct hci_conn *c; struct hci_conn_list_req req, *cl; struct hci_conn_info *ci; struct hci_dev *hdev; - struct list_head *p; int n = 0, size, err; if (copy_from_user(&req, arg, sizeof(req))) @@ -881,11 +866,8 @@ int hci_get_conn_list(void __user *arg) ci = cl->conn_info; - hci_dev_lock_bh(hdev); - list_for_each(p, &hdev->conn_hash.list) { - register struct hci_conn *c; - c = list_entry(p, struct hci_conn, list); - + hci_dev_lock(hdev); + list_for_each_entry(c, &hdev->conn_hash.list, list) { bacpy(&(ci + n)->bdaddr, &c->dst); (ci + n)->handle = c->handle; (ci + n)->type = c->type; @@ -895,7 +877,7 @@ int hci_get_conn_list(void __user *arg) if (++n >= req.conn_num) break; } - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); cl->dev_id = hdev->id; cl->conn_num = n; @@ -919,7 +901,7 @@ int hci_get_conn_info(struct hci_dev *hdev, void __user *arg) if (copy_from_user(&req, arg, sizeof(req))) return -EFAULT; - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); conn = hci_conn_hash_lookup_ba(hdev, req.type, &req.bdaddr); if (conn) { bacpy(&ci.bdaddr, &conn->dst); @@ -929,7 +911,7 @@ int hci_get_conn_info(struct hci_dev *hdev, void __user *arg) ci.state = conn->state; ci.link_mode = conn->link_mode; } - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); if (!conn) return -ENOENT; @@ -945,14 +927,60 @@ int hci_get_auth_info(struct hci_dev *hdev, void __user *arg) if (copy_from_user(&req, arg, sizeof(req))) return -EFAULT; - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &req.bdaddr); if (conn) req.type = conn->auth_type; - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); if (!conn) return -ENOENT; return copy_to_user(arg, &req, sizeof(req)) ? -EFAULT : 0; } + +struct hci_chan *hci_chan_create(struct hci_conn *conn) +{ + struct hci_dev *hdev = conn->hdev; + struct hci_chan *chan; + + BT_DBG("%s conn %p", hdev->name, conn); + + chan = kzalloc(sizeof(struct hci_chan), GFP_ATOMIC); + if (!chan) + return NULL; + + chan->conn = conn; + skb_queue_head_init(&chan->data_q); + + list_add_rcu(&chan->list, &conn->chan_list); + + return chan; +} + +int hci_chan_del(struct hci_chan *chan) +{ + struct hci_conn *conn = chan->conn; + struct hci_dev *hdev = conn->hdev; + + BT_DBG("%s conn %p chan %p", hdev->name, conn, chan); + + list_del_rcu(&chan->list); + + synchronize_rcu(); + + skb_queue_purge(&chan->data_q); + kfree(chan); + + return 0; +} + +void hci_chan_list_flush(struct hci_conn *conn) +{ + struct hci_chan *chan; + + BT_DBG("conn %p", conn); + + list_for_each_entry_rcu(chan, &conn->chan_list, list) + hci_chan_del(chan); +} diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index be84ae3..d6382db 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -1,6 +1,7 @@ /* BlueZ - Bluetooth protocol stack for Linux Copyright (C) 2000-2001 Qualcomm Incorporated + Copyright (C) 2011 ProFUSION Embedded Systems Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> @@ -54,11 +55,13 @@ #define AUTO_OFF_TIMEOUT 2000 -static void hci_cmd_task(unsigned long arg); -static void hci_rx_task(unsigned long arg); -static void hci_tx_task(unsigned long arg); +int enable_hs; -static DEFINE_RWLOCK(hci_task_lock); +static void hci_rx_work(struct work_struct *work); +static void hci_cmd_work(struct work_struct *work); +static void hci_tx_work(struct work_struct *work); + +static DEFINE_MUTEX(hci_task_lock); /* HCI device list */ LIST_HEAD(hci_dev_list); @@ -207,7 +210,7 @@ static void hci_init_req(struct hci_dev *hdev, unsigned long opt) skb->dev = (void *) hdev; skb_queue_tail(&hdev->cmd_q, skb); - tasklet_schedule(&hdev->cmd_task); + queue_work(hdev->workqueue, &hdev->cmd_work); } skb_queue_purge(&hdev->driver_init); @@ -228,18 +231,6 @@ static void hci_init_req(struct hci_dev *hdev, unsigned long opt) /* Read Buffer Size (ACL mtu, max pkt, etc.) */ hci_send_cmd(hdev, HCI_OP_READ_BUFFER_SIZE, 0, NULL); -#if 0 - /* Host buffer size */ - { - struct hci_cp_host_buffer_size cp; - cp.acl_mtu = cpu_to_le16(HCI_MAX_ACL_SIZE); - cp.sco_mtu = HCI_MAX_SCO_SIZE; - cp.acl_max_pkt = cpu_to_le16(0xffff); - cp.sco_max_pkt = cpu_to_le16(0xffff); - hci_send_cmd(hdev, HCI_OP_HOST_BUFFER_SIZE, sizeof(cp), &cp); - } -#endif - /* Read BD Address */ hci_send_cmd(hdev, HCI_OP_READ_BD_ADDR, 0, NULL); @@ -319,8 +310,7 @@ static void hci_linkpol_req(struct hci_dev *hdev, unsigned long opt) * Device is held on return. */ struct hci_dev *hci_dev_get(int index) { - struct hci_dev *hdev = NULL; - struct list_head *p; + struct hci_dev *hdev = NULL, *d; BT_DBG("%d", index); @@ -328,8 +318,7 @@ struct hci_dev *hci_dev_get(int index) return NULL; read_lock(&hci_dev_list_lock); - list_for_each(p, &hci_dev_list) { - struct hci_dev *d = list_entry(p, struct hci_dev, list); + list_for_each_entry(d, &hci_dev_list, list) { if (d->id == index) { hdev = hci_dev_hold(d); break; @@ -445,14 +434,14 @@ int hci_inquiry(void __user *arg) if (!hdev) return -ENODEV; - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); if (inquiry_cache_age(hdev) > INQUIRY_CACHE_AGE_MAX || inquiry_cache_empty(hdev) || ir.flags & IREQ_CACHE_FLUSH) { inquiry_cache_flush(hdev); do_inquiry = 1; } - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); timeo = ir.length * msecs_to_jiffies(2000); @@ -474,9 +463,9 @@ int hci_inquiry(void __user *arg) goto done; } - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); ir.num_rsp = inquiry_cache_dump(hdev, max_rsp, buf); - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); BT_DBG("num_rsp %d", ir.num_rsp); @@ -523,8 +512,9 @@ int hci_dev_open(__u16 dev) if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks)) set_bit(HCI_RAW, &hdev->flags); - /* Treat all non BR/EDR controllers as raw devices for now */ - if (hdev->dev_type != HCI_BREDR) + /* Treat all non BR/EDR controllers as raw devices if + enable_hs is not set */ + if (hdev->dev_type != HCI_BREDR && !enable_hs) set_bit(HCI_RAW, &hdev->flags); if (hdev->open(hdev)) { @@ -551,13 +541,16 @@ int hci_dev_open(__u16 dev) hci_dev_hold(hdev); set_bit(HCI_UP, &hdev->flags); hci_notify(hdev, HCI_DEV_UP); - if (!test_bit(HCI_SETUP, &hdev->flags)) - mgmt_powered(hdev->id, 1); + if (!test_bit(HCI_SETUP, &hdev->flags)) { + hci_dev_lock(hdev); + mgmt_powered(hdev, 1); + hci_dev_unlock(hdev); + } } else { /* Init failed, cleanup */ - tasklet_kill(&hdev->rx_task); - tasklet_kill(&hdev->tx_task); - tasklet_kill(&hdev->cmd_task); + flush_work(&hdev->tx_work); + flush_work(&hdev->cmd_work); + flush_work(&hdev->rx_work); skb_queue_purge(&hdev->cmd_q); skb_queue_purge(&hdev->rx_q); @@ -593,14 +586,25 @@ static int hci_dev_do_close(struct hci_dev *hdev) return 0; } - /* Kill RX and TX tasks */ - tasklet_kill(&hdev->rx_task); - tasklet_kill(&hdev->tx_task); + /* Flush RX and TX works */ + flush_work(&hdev->tx_work); + flush_work(&hdev->rx_work); + + if (hdev->discov_timeout > 0) { + cancel_delayed_work(&hdev->discov_off); + hdev->discov_timeout = 0; + } + + if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->flags)) + cancel_delayed_work(&hdev->power_off); - hci_dev_lock_bh(hdev); + if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->flags)) + cancel_delayed_work(&hdev->service_cache); + + hci_dev_lock(hdev); inquiry_cache_flush(hdev); hci_conn_hash_flush(hdev); - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_notify(hdev, HCI_DEV_DOWN); @@ -617,8 +621,8 @@ static int hci_dev_do_close(struct hci_dev *hdev) clear_bit(HCI_INIT, &hdev->flags); } - /* Kill cmd task */ - tasklet_kill(&hdev->cmd_task); + /* flush cmd work */ + flush_work(&hdev->cmd_work); /* Drop queues */ skb_queue_purge(&hdev->rx_q); @@ -636,7 +640,9 @@ static int hci_dev_do_close(struct hci_dev *hdev) * and no tasks are scheduled. */ hdev->close(hdev); - mgmt_powered(hdev->id, 0); + hci_dev_lock(hdev); + mgmt_powered(hdev, 0); + hci_dev_unlock(hdev); /* Clear flags */ hdev->flags = 0; @@ -670,7 +676,6 @@ int hci_dev_reset(__u16 dev) return -ENODEV; hci_req_lock(hdev); - tasklet_disable(&hdev->tx_task); if (!test_bit(HCI_UP, &hdev->flags)) goto done; @@ -679,10 +684,10 @@ int hci_dev_reset(__u16 dev) skb_queue_purge(&hdev->rx_q); skb_queue_purge(&hdev->cmd_q); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); inquiry_cache_flush(hdev); hci_conn_hash_flush(hdev); - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); if (hdev->flush) hdev->flush(hdev); @@ -695,7 +700,6 @@ int hci_dev_reset(__u16 dev) msecs_to_jiffies(HCI_INIT_TIMEOUT)); done: - tasklet_enable(&hdev->tx_task); hci_req_unlock(hdev); hci_dev_put(hdev); return ret; @@ -794,9 +798,9 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg) int hci_get_dev_list(void __user *arg) { + struct hci_dev *hdev; struct hci_dev_list_req *dl; struct hci_dev_req *dr; - struct list_head *p; int n = 0, size, err; __u16 dev_num; @@ -815,12 +819,9 @@ int hci_get_dev_list(void __user *arg) dr = dl->dev_req; read_lock_bh(&hci_dev_list_lock); - list_for_each(p, &hci_dev_list) { - struct hci_dev *hdev; - - hdev = list_entry(p, struct hci_dev, list); - - hci_del_off_timer(hdev); + list_for_each_entry(hdev, &hci_dev_list, list) { + if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->flags)) + cancel_delayed_work(&hdev->power_off); if (!test_bit(HCI_MGMT, &hdev->flags)) set_bit(HCI_PAIRABLE, &hdev->flags); @@ -855,7 +856,8 @@ int hci_get_dev_info(void __user *arg) if (!hdev) return -ENODEV; - hci_del_off_timer(hdev); + if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->flags)) + cancel_delayed_work_sync(&hdev->power_off); if (!test_bit(HCI_MGMT, &hdev->flags)) set_bit(HCI_PAIRABLE, &hdev->flags); @@ -912,6 +914,7 @@ struct hci_dev *hci_alloc_dev(void) if (!hdev) return NULL; + hci_init_sysfs(hdev); skb_queue_head_init(&hdev->driver_init); return hdev; @@ -938,39 +941,41 @@ static void hci_power_on(struct work_struct *work) return; if (test_bit(HCI_AUTO_OFF, &hdev->flags)) - mod_timer(&hdev->off_timer, - jiffies + msecs_to_jiffies(AUTO_OFF_TIMEOUT)); + schedule_delayed_work(&hdev->power_off, + msecs_to_jiffies(AUTO_OFF_TIMEOUT)); if (test_and_clear_bit(HCI_SETUP, &hdev->flags)) - mgmt_index_added(hdev->id); + mgmt_index_added(hdev); } static void hci_power_off(struct work_struct *work) { - struct hci_dev *hdev = container_of(work, struct hci_dev, power_off); + struct hci_dev *hdev = container_of(work, struct hci_dev, + power_off.work); BT_DBG("%s", hdev->name); + clear_bit(HCI_AUTO_OFF, &hdev->flags); + hci_dev_close(hdev->id); } -static void hci_auto_off(unsigned long data) +static void hci_discov_off(struct work_struct *work) { - struct hci_dev *hdev = (struct hci_dev *) data; + struct hci_dev *hdev; + u8 scan = SCAN_PAGE; + + hdev = container_of(work, struct hci_dev, discov_off.work); BT_DBG("%s", hdev->name); - clear_bit(HCI_AUTO_OFF, &hdev->flags); + hci_dev_lock(hdev); - queue_work(hdev->workqueue, &hdev->power_off); -} + hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan); -void hci_del_off_timer(struct hci_dev *hdev) -{ - BT_DBG("%s", hdev->name); + hdev->discov_timeout = 0; - clear_bit(HCI_AUTO_OFF, &hdev->flags); - del_timer(&hdev->off_timer); + hci_dev_unlock(hdev); } int hci_uuids_clear(struct hci_dev *hdev) @@ -1007,16 +1012,11 @@ int hci_link_keys_clear(struct hci_dev *hdev) struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr) { - struct list_head *p; - - list_for_each(p, &hdev->link_keys) { - struct link_key *k; - - k = list_entry(p, struct link_key, list); + struct link_key *k; + list_for_each_entry(k, &hdev->link_keys, list) if (bacmp(bdaddr, &k->bdaddr) == 0) return k; - } return NULL; } @@ -1138,7 +1138,7 @@ int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, persistent = hci_persistent_key(hdev, conn, type, old_key_type); - mgmt_new_key(hdev->id, key, persistent); + mgmt_new_link_key(hdev, key, persistent); if (!persistent) { list_del(&key->list); @@ -1181,7 +1181,7 @@ int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr, memcpy(id->rand, rand, sizeof(id->rand)); if (new_key) - mgmt_new_key(hdev->id, key, old_key_type); + mgmt_new_link_key(hdev, key, old_key_type); return 0; } @@ -1209,7 +1209,7 @@ static void hci_cmd_timer(unsigned long arg) BT_ERR("%s command tx timeout", hdev->name); atomic_set(&hdev->cmd_cnt, 1); - tasklet_schedule(&hdev->cmd_task); + queue_work(hdev->workqueue, &hdev->cmd_work); } struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, @@ -1279,16 +1279,11 @@ int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr) { - struct list_head *p; - - list_for_each(p, &hdev->blacklist) { - struct bdaddr_list *b; - - b = list_entry(p, struct bdaddr_list, list); + struct bdaddr_list *b; + list_for_each_entry(b, &hdev->blacklist, list) if (bacmp(bdaddr, &b->bdaddr) == 0) return b; - } return NULL; } @@ -1327,31 +1322,30 @@ int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr) list_add(&entry->list, &hdev->blacklist); - return mgmt_device_blocked(hdev->id, bdaddr); + return mgmt_device_blocked(hdev, bdaddr); } int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr) { struct bdaddr_list *entry; - if (bacmp(bdaddr, BDADDR_ANY) == 0) { + if (bacmp(bdaddr, BDADDR_ANY) == 0) return hci_blacklist_clear(hdev); - } entry = hci_blacklist_lookup(hdev, bdaddr); - if (!entry) { + if (!entry) return -ENOENT; - } list_del(&entry->list); kfree(entry); - return mgmt_device_unblocked(hdev->id, bdaddr); + return mgmt_device_unblocked(hdev, bdaddr); } -static void hci_clear_adv_cache(unsigned long arg) +static void hci_clear_adv_cache(struct work_struct *work) { - struct hci_dev *hdev = (void *) arg; + struct hci_dev *hdev = container_of(work, struct hci_dev, + adv_work.work); hci_dev_lock(hdev); @@ -1425,7 +1419,7 @@ int hci_add_adv_entry(struct hci_dev *hdev, int hci_register_dev(struct hci_dev *hdev) { struct list_head *head = &hci_dev_list, *p; - int i, id = 0; + int i, id, error; BT_DBG("%p name %s bus %d owner %p", hdev, hdev->name, hdev->bus, hdev->owner); @@ -1433,6 +1427,11 @@ int hci_register_dev(struct hci_dev *hdev) if (!hdev->open || !hdev->close || !hdev->destruct) return -EINVAL; + /* Do not allow HCI_AMP devices to register at index 0, + * so the index can be used as the AMP controller ID. + */ + id = (hdev->dev_type == HCI_BREDR) ? 0 : 1; + write_lock_bh(&hci_dev_list_lock); /* Find first available device id */ @@ -1444,12 +1443,13 @@ int hci_register_dev(struct hci_dev *hdev) sprintf(hdev->name, "hci%d", id); hdev->id = id; - list_add(&hdev->list, head); + list_add_tail(&hdev->list, head); atomic_set(&hdev->refcnt, 1); - spin_lock_init(&hdev->lock); + mutex_init(&hdev->lock); hdev->flags = 0; + hdev->dev_flags = 0; hdev->pkt_type = (HCI_DM1 | HCI_DH1 | HCI_HV1); hdev->esco_type = (ESCO_HV1); hdev->link_mode = (HCI_LM_ACCEPT); @@ -1459,9 +1459,10 @@ int hci_register_dev(struct hci_dev *hdev) hdev->sniff_max_interval = 800; hdev->sniff_min_interval = 80; - tasklet_init(&hdev->cmd_task, hci_cmd_task, (unsigned long) hdev); - tasklet_init(&hdev->rx_task, hci_rx_task, (unsigned long) hdev); - tasklet_init(&hdev->tx_task, hci_tx_task, (unsigned long) hdev); + INIT_WORK(&hdev->rx_work, hci_rx_work); + INIT_WORK(&hdev->cmd_work, hci_cmd_work); + INIT_WORK(&hdev->tx_work, hci_tx_work); + skb_queue_head_init(&hdev->rx_q); skb_queue_head_init(&hdev->cmd_q); @@ -1479,6 +1480,8 @@ int hci_register_dev(struct hci_dev *hdev) hci_conn_hash_init(hdev); + INIT_LIST_HEAD(&hdev->mgmt_pending); + INIT_LIST_HEAD(&hdev->blacklist); INIT_LIST_HEAD(&hdev->uuids); @@ -1488,12 +1491,12 @@ int hci_register_dev(struct hci_dev *hdev) INIT_LIST_HEAD(&hdev->remote_oob_data); INIT_LIST_HEAD(&hdev->adv_entries); - setup_timer(&hdev->adv_timer, hci_clear_adv_cache, - (unsigned long) hdev); + INIT_DELAYED_WORK(&hdev->adv_work, hci_clear_adv_cache); INIT_WORK(&hdev->power_on, hci_power_on); - INIT_WORK(&hdev->power_off, hci_power_off); - setup_timer(&hdev->off_timer, hci_auto_off, (unsigned long) hdev); + INIT_DELAYED_WORK(&hdev->power_off, hci_power_off); + + INIT_DELAYED_WORK(&hdev->discov_off, hci_discov_off); memset(&hdev->stat, 0, sizeof(struct hci_dev_stats)); @@ -1501,11 +1504,16 @@ int hci_register_dev(struct hci_dev *hdev) write_unlock_bh(&hci_dev_list_lock); - hdev->workqueue = create_singlethread_workqueue(hdev->name); - if (!hdev->workqueue) - goto nomem; + hdev->workqueue = alloc_workqueue(hdev->name, WQ_HIGHPRI | WQ_UNBOUND | + WQ_MEM_RECLAIM, 1); + if (!hdev->workqueue) { + error = -ENOMEM; + goto err; + } - hci_register_sysfs(hdev); + error = hci_add_sysfs(hdev); + if (error < 0) + goto err_wqueue; hdev->rfkill = rfkill_alloc(hdev->name, &hdev->dev, RFKILL_TYPE_BLUETOOTH, &hci_rfkill_ops, hdev); @@ -1518,23 +1526,25 @@ int hci_register_dev(struct hci_dev *hdev) set_bit(HCI_AUTO_OFF, &hdev->flags); set_bit(HCI_SETUP, &hdev->flags); - queue_work(hdev->workqueue, &hdev->power_on); + schedule_work(&hdev->power_on); hci_notify(hdev, HCI_DEV_REG); return id; -nomem: +err_wqueue: + destroy_workqueue(hdev->workqueue); +err: write_lock_bh(&hci_dev_list_lock); list_del(&hdev->list); write_unlock_bh(&hci_dev_list_lock); - return -ENOMEM; + return error; } EXPORT_SYMBOL(hci_register_dev); /* Unregister HCI device */ -int hci_unregister_dev(struct hci_dev *hdev) +void hci_unregister_dev(struct hci_dev *hdev) { int i; @@ -1550,8 +1560,15 @@ int hci_unregister_dev(struct hci_dev *hdev) kfree_skb(hdev->reassembly[i]); if (!test_bit(HCI_INIT, &hdev->flags) && - !test_bit(HCI_SETUP, &hdev->flags)) - mgmt_index_removed(hdev->id); + !test_bit(HCI_SETUP, &hdev->flags)) { + hci_dev_lock(hdev); + mgmt_index_removed(hdev); + hci_dev_unlock(hdev); + } + + /* mgmt_index_removed should take care of emptying the + * pending list */ + BUG_ON(!list_empty(&hdev->mgmt_pending)); hci_notify(hdev, HCI_DEV_UNREG); @@ -1560,24 +1577,21 @@ int hci_unregister_dev(struct hci_dev *hdev) rfkill_destroy(hdev->rfkill); } - hci_unregister_sysfs(hdev); + hci_del_sysfs(hdev); - hci_del_off_timer(hdev); - del_timer(&hdev->adv_timer); + cancel_delayed_work_sync(&hdev->adv_work); destroy_workqueue(hdev->workqueue); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); hci_blacklist_clear(hdev); hci_uuids_clear(hdev); hci_link_keys_clear(hdev); hci_remote_oob_data_clear(hdev); hci_adv_entries_clear(hdev); - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); __hci_dev_put(hdev); - - return 0; } EXPORT_SYMBOL(hci_unregister_dev); @@ -1613,9 +1627,8 @@ int hci_recv_frame(struct sk_buff *skb) /* Time stamp */ __net_timestamp(skb); - /* Queue frame for rx task */ skb_queue_tail(&hdev->rx_q, skb); - tasklet_schedule(&hdev->rx_task); + queue_work(hdev->workqueue, &hdev->rx_work); return 0; } @@ -1798,14 +1811,14 @@ int hci_register_proto(struct hci_proto *hp) if (hp->id >= HCI_MAX_PROTO) return -EINVAL; - write_lock_bh(&hci_task_lock); + mutex_lock(&hci_task_lock); if (!hci_proto[hp->id]) hci_proto[hp->id] = hp; else err = -EEXIST; - write_unlock_bh(&hci_task_lock); + mutex_unlock(&hci_task_lock); return err; } @@ -1820,14 +1833,14 @@ int hci_unregister_proto(struct hci_proto *hp) if (hp->id >= HCI_MAX_PROTO) return -EINVAL; - write_lock_bh(&hci_task_lock); + mutex_lock(&hci_task_lock); if (hci_proto[hp->id]) hci_proto[hp->id] = NULL; else err = -ENOENT; - write_unlock_bh(&hci_task_lock); + mutex_unlock(&hci_task_lock); return err; } @@ -1912,7 +1925,7 @@ int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param) hdev->init_last_cmd = opcode; skb_queue_tail(&hdev->cmd_q, skb); - tasklet_schedule(&hdev->cmd_task); + queue_work(hdev->workqueue, &hdev->cmd_work); return 0; } @@ -1948,23 +1961,18 @@ static void hci_add_acl_hdr(struct sk_buff *skb, __u16 handle, __u16 flags) hdr->dlen = cpu_to_le16(len); } -void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags) +static void hci_queue_acl(struct hci_conn *conn, struct sk_buff_head *queue, + struct sk_buff *skb, __u16 flags) { struct hci_dev *hdev = conn->hdev; struct sk_buff *list; - BT_DBG("%s conn %p flags 0x%x", hdev->name, conn, flags); - - skb->dev = (void *) hdev; - bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT; - hci_add_acl_hdr(skb, conn->handle, flags); - list = skb_shinfo(skb)->frag_list; if (!list) { /* Non fragmented */ BT_DBG("%s nonfrag skb %p len %d", hdev->name, skb, skb->len); - skb_queue_tail(&conn->data_q, skb); + skb_queue_tail(queue, skb); } else { /* Fragmented */ BT_DBG("%s frag %p len %d", hdev->name, skb, skb->len); @@ -1972,9 +1980,9 @@ void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags) skb_shinfo(skb)->frag_list = NULL; /* Queue all fragments atomically */ - spin_lock_bh(&conn->data_q.lock); + spin_lock_bh(&queue->lock); - __skb_queue_tail(&conn->data_q, skb); + __skb_queue_tail(queue, skb); flags &= ~ACL_START; flags |= ACL_CONT; @@ -1987,13 +1995,27 @@ void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags) BT_DBG("%s frag %p len %d", hdev->name, skb, skb->len); - __skb_queue_tail(&conn->data_q, skb); + __skb_queue_tail(queue, skb); } while (list); - spin_unlock_bh(&conn->data_q.lock); + spin_unlock_bh(&queue->lock); } +} + +void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags) +{ + struct hci_conn *conn = chan->conn; + struct hci_dev *hdev = conn->hdev; + + BT_DBG("%s chan %p flags 0x%x", hdev->name, chan, flags); + + skb->dev = (void *) hdev; + bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT; + hci_add_acl_hdr(skb, conn->handle, flags); - tasklet_schedule(&hdev->tx_task); + hci_queue_acl(conn, &chan->data_q, skb, flags); + + queue_work(hdev->workqueue, &hdev->tx_work); } EXPORT_SYMBOL(hci_send_acl); @@ -2016,7 +2038,7 @@ void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb) bt_cb(skb)->pkt_type = HCI_SCODATA_PKT; skb_queue_tail(&conn->data_q, skb); - tasklet_schedule(&hdev->tx_task); + queue_work(hdev->workqueue, &hdev->tx_work); } EXPORT_SYMBOL(hci_send_sco); @@ -2026,16 +2048,15 @@ EXPORT_SYMBOL(hci_send_sco); static inline struct hci_conn *hci_low_sent(struct hci_dev *hdev, __u8 type, int *quote) { struct hci_conn_hash *h = &hdev->conn_hash; - struct hci_conn *conn = NULL; + struct hci_conn *conn = NULL, *c; int num = 0, min = ~0; - struct list_head *p; /* We don't have to lock device here. Connections are always * added and removed with TX task disabled. */ - list_for_each(p, &h->list) { - struct hci_conn *c; - c = list_entry(p, struct hci_conn, list); + rcu_read_lock(); + + list_for_each_entry_rcu(c, &h->list, list) { if (c->type != type || skb_queue_empty(&c->data_q)) continue; @@ -2053,6 +2074,8 @@ static inline struct hci_conn *hci_low_sent(struct hci_dev *hdev, __u8 type, int break; } + rcu_read_unlock(); + if (conn) { int cnt, q; @@ -2084,27 +2107,159 @@ static inline struct hci_conn *hci_low_sent(struct hci_dev *hdev, __u8 type, int static inline void hci_link_tx_to(struct hci_dev *hdev, __u8 type) { struct hci_conn_hash *h = &hdev->conn_hash; - struct list_head *p; - struct hci_conn *c; + struct hci_conn *c; BT_ERR("%s link tx timeout", hdev->name); + rcu_read_lock(); + /* Kill stalled connections */ - list_for_each(p, &h->list) { - c = list_entry(p, struct hci_conn, list); + list_for_each_entry_rcu(c, &h->list, list) { if (c->type == type && c->sent) { BT_ERR("%s killing stalled connection %s", hdev->name, batostr(&c->dst)); hci_acl_disconn(c, 0x13); } } + + rcu_read_unlock(); } -static inline void hci_sched_acl(struct hci_dev *hdev) +static inline struct hci_chan *hci_chan_sent(struct hci_dev *hdev, __u8 type, + int *quote) { + struct hci_conn_hash *h = &hdev->conn_hash; + struct hci_chan *chan = NULL; + int num = 0, min = ~0, cur_prio = 0; struct hci_conn *conn; + int cnt, q, conn_num = 0; + + BT_DBG("%s", hdev->name); + + rcu_read_lock(); + + list_for_each_entry_rcu(conn, &h->list, list) { + struct hci_chan *tmp; + + if (conn->type != type) + continue; + + if (conn->state != BT_CONNECTED && conn->state != BT_CONFIG) + continue; + + conn_num++; + + list_for_each_entry_rcu(tmp, &conn->chan_list, list) { + struct sk_buff *skb; + + if (skb_queue_empty(&tmp->data_q)) + continue; + + skb = skb_peek(&tmp->data_q); + if (skb->priority < cur_prio) + continue; + + if (skb->priority > cur_prio) { + num = 0; + min = ~0; + cur_prio = skb->priority; + } + + num++; + + if (conn->sent < min) { + min = conn->sent; + chan = tmp; + } + } + + if (hci_conn_num(hdev, type) == conn_num) + break; + } + + rcu_read_unlock(); + + if (!chan) + return NULL; + + switch (chan->conn->type) { + case ACL_LINK: + cnt = hdev->acl_cnt; + break; + case SCO_LINK: + case ESCO_LINK: + cnt = hdev->sco_cnt; + break; + case LE_LINK: + cnt = hdev->le_mtu ? hdev->le_cnt : hdev->acl_cnt; + break; + default: + cnt = 0; + BT_ERR("Unknown link type"); + } + + q = cnt / num; + *quote = q ? q : 1; + BT_DBG("chan %p quote %d", chan, *quote); + return chan; +} + +static void hci_prio_recalculate(struct hci_dev *hdev, __u8 type) +{ + struct hci_conn_hash *h = &hdev->conn_hash; + struct hci_conn *conn; + int num = 0; + + BT_DBG("%s", hdev->name); + + rcu_read_lock(); + + list_for_each_entry_rcu(conn, &h->list, list) { + struct hci_chan *chan; + + if (conn->type != type) + continue; + + if (conn->state != BT_CONNECTED && conn->state != BT_CONFIG) + continue; + + num++; + + list_for_each_entry_rcu(chan, &conn->chan_list, list) { + struct sk_buff *skb; + + if (chan->sent) { + chan->sent = 0; + continue; + } + + if (skb_queue_empty(&chan->data_q)) + continue; + + skb = skb_peek(&chan->data_q); + if (skb->priority >= HCI_PRIO_MAX - 1) + continue; + + skb->priority = HCI_PRIO_MAX - 1; + + BT_DBG("chan %p skb %p promoted to %d", chan, skb, + skb->priority); + } + + if (hci_conn_num(hdev, type) == num) + break; + } + + rcu_read_unlock(); + +} + +static inline void hci_sched_acl(struct hci_dev *hdev) +{ + struct hci_chan *chan; struct sk_buff *skb; int quote; + unsigned int cnt; BT_DBG("%s", hdev->name); @@ -2118,19 +2273,35 @@ static inline void hci_sched_acl(struct hci_dev *hdev) hci_link_tx_to(hdev, ACL_LINK); } - while (hdev->acl_cnt && (conn = hci_low_sent(hdev, ACL_LINK, "e))) { - while (quote-- && (skb = skb_dequeue(&conn->data_q))) { - BT_DBG("skb %p len %d", skb, skb->len); + cnt = hdev->acl_cnt; + + while (hdev->acl_cnt && + (chan = hci_chan_sent(hdev, ACL_LINK, "e))) { + u32 priority = (skb_peek(&chan->data_q))->priority; + while (quote-- && (skb = skb_peek(&chan->data_q))) { + BT_DBG("chan %p skb %p len %d priority %u", chan, skb, + skb->len, skb->priority); + + /* Stop if priority has changed */ + if (skb->priority < priority) + break; - hci_conn_enter_active_mode(conn, bt_cb(skb)->force_active); + skb = skb_dequeue(&chan->data_q); + + hci_conn_enter_active_mode(chan->conn, + bt_cb(skb)->force_active); hci_send_frame(skb); hdev->acl_last_tx = jiffies; hdev->acl_cnt--; - conn->sent++; + chan->sent++; + chan->conn->sent++; } } + + if (cnt != hdev->acl_cnt) + hci_prio_recalculate(hdev, ACL_LINK); } /* Schedule SCO */ @@ -2182,9 +2353,9 @@ static inline void hci_sched_esco(struct hci_dev *hdev) static inline void hci_sched_le(struct hci_dev *hdev) { - struct hci_conn *conn; + struct hci_chan *chan; struct sk_buff *skb; - int quote, cnt; + int quote, cnt, tmp; BT_DBG("%s", hdev->name); @@ -2200,29 +2371,43 @@ static inline void hci_sched_le(struct hci_dev *hdev) } cnt = hdev->le_pkts ? hdev->le_cnt : hdev->acl_cnt; - while (cnt && (conn = hci_low_sent(hdev, LE_LINK, "e))) { - while (quote-- && (skb = skb_dequeue(&conn->data_q))) { - BT_DBG("skb %p len %d", skb, skb->len); + tmp = cnt; + while (cnt && (chan = hci_chan_sent(hdev, LE_LINK, "e))) { + u32 priority = (skb_peek(&chan->data_q))->priority; + while (quote-- && (skb = skb_peek(&chan->data_q))) { + BT_DBG("chan %p skb %p len %d priority %u", chan, skb, + skb->len, skb->priority); + + /* Stop if priority has changed */ + if (skb->priority < priority) + break; + + skb = skb_dequeue(&chan->data_q); hci_send_frame(skb); hdev->le_last_tx = jiffies; cnt--; - conn->sent++; + chan->sent++; + chan->conn->sent++; } } + if (hdev->le_pkts) hdev->le_cnt = cnt; else hdev->acl_cnt = cnt; + + if (cnt != tmp) + hci_prio_recalculate(hdev, LE_LINK); } -static void hci_tx_task(unsigned long arg) +static void hci_tx_work(struct work_struct *work) { - struct hci_dev *hdev = (struct hci_dev *) arg; + struct hci_dev *hdev = container_of(work, struct hci_dev, tx_work); struct sk_buff *skb; - read_lock(&hci_task_lock); + mutex_lock(&hci_task_lock); BT_DBG("%s acl %d sco %d le %d", hdev->name, hdev->acl_cnt, hdev->sco_cnt, hdev->le_cnt); @@ -2241,7 +2426,7 @@ static void hci_tx_task(unsigned long arg) while ((skb = skb_dequeue(&hdev->raw_q))) hci_send_frame(skb); - read_unlock(&hci_task_lock); + mutex_unlock(&hci_task_lock); } /* ----- HCI RX task (incoming data processing) ----- */ @@ -2270,7 +2455,7 @@ static inline void hci_acldata_packet(struct hci_dev *hdev, struct sk_buff *skb) if (conn) { register struct hci_proto *hp; - hci_conn_enter_active_mode(conn, bt_cb(skb)->force_active); + hci_conn_enter_active_mode(conn, BT_POWER_FORCE_ACTIVE_OFF); /* Send to upper protocol */ hp = hci_proto[HCI_PROTO_L2CAP]; @@ -2322,14 +2507,14 @@ static inline void hci_scodata_packet(struct hci_dev *hdev, struct sk_buff *skb) kfree_skb(skb); } -static void hci_rx_task(unsigned long arg) +static void hci_rx_work(struct work_struct *work) { - struct hci_dev *hdev = (struct hci_dev *) arg; + struct hci_dev *hdev = container_of(work, struct hci_dev, rx_work); struct sk_buff *skb; BT_DBG("%s", hdev->name); - read_lock(&hci_task_lock); + mutex_lock(&hci_task_lock); while ((skb = skb_dequeue(&hdev->rx_q))) { if (atomic_read(&hdev->promisc)) { @@ -2355,6 +2540,7 @@ static void hci_rx_task(unsigned long arg) /* Process frame */ switch (bt_cb(skb)->pkt_type) { case HCI_EVENT_PKT: + BT_DBG("%s Event packet", hdev->name); hci_event_packet(hdev, skb); break; @@ -2374,12 +2560,12 @@ static void hci_rx_task(unsigned long arg) } } - read_unlock(&hci_task_lock); + mutex_unlock(&hci_task_lock); } -static void hci_cmd_task(unsigned long arg) +static void hci_cmd_work(struct work_struct *work) { - struct hci_dev *hdev = (struct hci_dev *) arg; + struct hci_dev *hdev = container_of(work, struct hci_dev, cmd_work); struct sk_buff *skb; BT_DBG("%s cmd %d", hdev->name, atomic_read(&hdev->cmd_cnt)); @@ -2403,7 +2589,38 @@ static void hci_cmd_task(unsigned long arg) jiffies + msecs_to_jiffies(HCI_CMD_TIMEOUT)); } else { skb_queue_head(&hdev->cmd_q, skb); - tasklet_schedule(&hdev->cmd_task); + queue_work(hdev->workqueue, &hdev->cmd_work); } } } + +int hci_do_inquiry(struct hci_dev *hdev, u8 length) +{ + /* General inquiry access code (GIAC) */ + u8 lap[3] = { 0x33, 0x8b, 0x9e }; + struct hci_cp_inquiry cp; + + BT_DBG("%s", hdev->name); + + if (test_bit(HCI_INQUIRY, &hdev->flags)) + return -EINPROGRESS; + + memset(&cp, 0, sizeof(cp)); + memcpy(&cp.lap, lap, sizeof(cp.lap)); + cp.length = length; + + return hci_send_cmd(hdev, HCI_OP_INQUIRY, sizeof(cp), &cp); +} + +int hci_cancel_inquiry(struct hci_dev *hdev) +{ + BT_DBG("%s", hdev->name); + + if (!test_bit(HCI_INQUIRY, &hdev->flags)) + return -EPERM; + + return hci_send_cmd(hdev, HCI_OP_INQUIRY_CANCEL, 0, NULL); +} + +module_param(enable_hs, bool, 0644); +MODULE_PARM_DESC(enable_hs, "Enable High Speed"); diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 643a41b..fc5338f 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -55,12 +55,18 @@ static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb) BT_DBG("%s status 0x%x", hdev->name, status); - if (status) + if (status) { + hci_dev_lock(hdev); + mgmt_stop_discovery_failed(hdev, status); + hci_dev_unlock(hdev); return; + } + + clear_bit(HCI_INQUIRY, &hdev->flags); - if (test_and_clear_bit(HCI_INQUIRY, &hdev->flags) && - test_bit(HCI_MGMT, &hdev->flags)) - mgmt_discovering(hdev->id, 0); + hci_dev_lock(hdev); + mgmt_discovering(hdev, 0); + hci_dev_unlock(hdev); hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status); @@ -76,10 +82,6 @@ static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb) if (status) return; - if (test_and_clear_bit(HCI_INQUIRY, &hdev->flags) && - test_bit(HCI_MGMT, &hdev->flags)) - mgmt_discovering(hdev->id, 0); - hci_conn_check_pending(hdev); } @@ -192,6 +194,8 @@ static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb) clear_bit(HCI_RESET, &hdev->flags); hci_req_complete(hdev, HCI_OP_RESET, status); + + hdev->dev_flags = 0; } static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb) @@ -205,13 +209,15 @@ static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb) if (!sent) return; + hci_dev_lock(hdev); + if (test_bit(HCI_MGMT, &hdev->flags)) - mgmt_set_local_name_complete(hdev->id, sent, status); + mgmt_set_local_name_complete(hdev, sent, status); - if (status) - return; + if (status == 0) + memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH); - memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH); + hci_dev_unlock(hdev); } static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb) @@ -274,7 +280,8 @@ static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb) static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb) { - __u8 status = *((__u8 *) skb->data); + __u8 param, status = *((__u8 *) skb->data); + int old_pscan, old_iscan; void *sent; BT_DBG("%s status 0x%x", hdev->name, status); @@ -283,28 +290,40 @@ static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb) if (!sent) return; - if (!status) { - __u8 param = *((__u8 *) sent); - int old_pscan, old_iscan; - - old_pscan = test_and_clear_bit(HCI_PSCAN, &hdev->flags); - old_iscan = test_and_clear_bit(HCI_ISCAN, &hdev->flags); + param = *((__u8 *) sent); - if (param & SCAN_INQUIRY) { - set_bit(HCI_ISCAN, &hdev->flags); - if (!old_iscan) - mgmt_discoverable(hdev->id, 1); - } else if (old_iscan) - mgmt_discoverable(hdev->id, 0); + hci_dev_lock(hdev); - if (param & SCAN_PAGE) { - set_bit(HCI_PSCAN, &hdev->flags); - if (!old_pscan) - mgmt_connectable(hdev->id, 1); - } else if (old_pscan) - mgmt_connectable(hdev->id, 0); + if (status != 0) { + mgmt_write_scan_failed(hdev, param, status); + hdev->discov_timeout = 0; + goto done; } + old_pscan = test_and_clear_bit(HCI_PSCAN, &hdev->flags); + old_iscan = test_and_clear_bit(HCI_ISCAN, &hdev->flags); + + if (param & SCAN_INQUIRY) { + set_bit(HCI_ISCAN, &hdev->flags); + if (!old_iscan) + mgmt_discoverable(hdev, 1); + if (hdev->discov_timeout > 0) { + int to = msecs_to_jiffies(hdev->discov_timeout * 1000); + queue_delayed_work(hdev->workqueue, &hdev->discov_off, + to); + } + } else if (old_iscan) + mgmt_discoverable(hdev, 0); + + if (param & SCAN_PAGE) { + set_bit(HCI_PSCAN, &hdev->flags); + if (!old_pscan) + mgmt_connectable(hdev, 1); + } else if (old_pscan) + mgmt_connectable(hdev, 0); + +done: + hci_dev_unlock(hdev); hci_req_complete(hdev, HCI_OP_WRITE_SCAN_ENABLE, status); } @@ -359,11 +378,8 @@ static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb) BT_DBG("%s voice setting 0x%04x", hdev->name, setting); - if (hdev->notify) { - tasklet_disable(&hdev->tx_task); + if (hdev->notify) hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); - tasklet_enable(&hdev->tx_task); - } } static void hci_cc_write_voice_setting(struct hci_dev *hdev, struct sk_buff *skb) @@ -390,11 +406,8 @@ static void hci_cc_write_voice_setting(struct hci_dev *hdev, struct sk_buff *skb BT_DBG("%s voice setting 0x%04x", hdev->name, setting); - if (hdev->notify) { - tasklet_disable(&hdev->tx_task); + if (hdev->notify) hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); - tasklet_enable(&hdev->tx_task); - } } static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) @@ -481,7 +494,7 @@ static void hci_setup_event_mask(struct hci_dev *hdev) /* CSR 1.1 dongles does not accept any bitfield so don't try to set * any event mask for pre 1.2 devices */ - if (hdev->lmp_ver <= 1) + if (hdev->hci_ver < BLUETOOTH_VER_1_2) return; events[4] |= 0x01; /* Flow Specification Complete */ @@ -545,7 +558,7 @@ static void hci_setup(struct hci_dev *hdev) { hci_setup_event_mask(hdev); - if (hdev->hci_ver > 1) + if (hdev->hci_ver > BLUETOOTH_VER_1_1) hci_send_cmd(hdev, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL); if (hdev->features[6] & LMP_SIMPLE_PAIR) { @@ -700,6 +713,21 @@ static void hci_cc_read_local_ext_features(struct hci_dev *hdev, hci_req_complete(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, rp->status); } +static void hci_cc_read_flow_control_mode(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_read_flow_control_mode *rp = (void *) skb->data; + + BT_DBG("%s status 0x%x", hdev->name, rp->status); + + if (rp->status) + return; + + hdev->flow_ctl_mode = rp->mode; + + hci_req_complete(hdev, HCI_OP_READ_FLOW_CONTROL_MODE, rp->status); +} + static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_read_buffer_size *rp = (void *) skb->data; @@ -739,6 +767,28 @@ static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb) hci_req_complete(hdev, HCI_OP_READ_BD_ADDR, rp->status); } +static void hci_cc_read_data_block_size(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_read_data_block_size *rp = (void *) skb->data; + + BT_DBG("%s status 0x%x", hdev->name, rp->status); + + if (rp->status) + return; + + hdev->block_mtu = __le16_to_cpu(rp->max_acl_len); + hdev->block_len = __le16_to_cpu(rp->block_len); + hdev->num_blocks = __le16_to_cpu(rp->num_blocks); + + hdev->block_cnt = hdev->num_blocks; + + BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu, + hdev->block_cnt, hdev->block_len); + + hci_req_complete(hdev, HCI_OP_READ_DATA_BLOCK_SIZE, rp->status); +} + static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); @@ -748,6 +798,30 @@ static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb) hci_req_complete(hdev, HCI_OP_WRITE_CA_TIMEOUT, status); } +static void hci_cc_read_local_amp_info(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_read_local_amp_info *rp = (void *) skb->data; + + BT_DBG("%s status 0x%x", hdev->name, rp->status); + + if (rp->status) + return; + + hdev->amp_status = rp->amp_status; + hdev->amp_total_bw = __le32_to_cpu(rp->total_bw); + hdev->amp_max_bw = __le32_to_cpu(rp->max_bw); + hdev->amp_min_latency = __le32_to_cpu(rp->min_latency); + hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu); + hdev->amp_type = rp->amp_type; + hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap); + hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size); + hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to); + hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to); + + hci_req_complete(hdev, HCI_OP_READ_LOCAL_AMP_INFO, rp->status); +} + static void hci_cc_delete_stored_link_key(struct hci_dev *hdev, struct sk_buff *skb) { @@ -804,19 +878,24 @@ static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb) BT_DBG("%s status 0x%x", hdev->name, rp->status); + hci_dev_lock(hdev); + if (test_bit(HCI_MGMT, &hdev->flags)) - mgmt_pin_code_reply_complete(hdev->id, &rp->bdaddr, rp->status); + mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status); if (rp->status != 0) - return; + goto unlock; cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY); if (!cp) - return; + goto unlock; conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); if (conn) conn->pin_length = cp->pin_len; + +unlock: + hci_dev_unlock(hdev); } static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb) @@ -825,10 +904,15 @@ static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb) BT_DBG("%s status 0x%x", hdev->name, rp->status); + hci_dev_lock(hdev); + if (test_bit(HCI_MGMT, &hdev->flags)) - mgmt_pin_code_neg_reply_complete(hdev->id, &rp->bdaddr, + mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr, rp->status); + + hci_dev_unlock(hdev); } + static void hci_cc_le_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) { @@ -855,9 +939,13 @@ static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb) BT_DBG("%s status 0x%x", hdev->name, rp->status); + hci_dev_lock(hdev); + if (test_bit(HCI_MGMT, &hdev->flags)) - mgmt_user_confirm_reply_complete(hdev->id, &rp->bdaddr, + mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, rp->status); + + hci_dev_unlock(hdev); } static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev, @@ -867,9 +955,44 @@ static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev, BT_DBG("%s status 0x%x", hdev->name, rp->status); + hci_dev_lock(hdev); + if (test_bit(HCI_MGMT, &hdev->flags)) - mgmt_user_confirm_neg_reply_complete(hdev->id, &rp->bdaddr, + mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr, rp->status); + + hci_dev_unlock(hdev); +} + +static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_rp_user_confirm_reply *rp = (void *) skb->data; + + BT_DBG("%s status 0x%x", hdev->name, rp->status); + + hci_dev_lock(hdev); + + if (test_bit(HCI_MGMT, &hdev->flags)) + mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, + rp->status); + + hci_dev_unlock(hdev); +} + +static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_user_confirm_reply *rp = (void *) skb->data; + + BT_DBG("%s status 0x%x", hdev->name, rp->status); + + hci_dev_lock(hdev); + + if (test_bit(HCI_MGMT, &hdev->flags)) + mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr, + rp->status); + + hci_dev_unlock(hdev); } static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev, @@ -879,8 +1002,17 @@ static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev, BT_DBG("%s status 0x%x", hdev->name, rp->status); - mgmt_read_local_oob_data_reply_complete(hdev->id, rp->hash, + hci_dev_lock(hdev); + mgmt_read_local_oob_data_reply_complete(hdev, rp->hash, rp->randomizer, rp->status); + hci_dev_unlock(hdev); +} + +static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb) +{ + __u8 status = *((__u8 *) skb->data); + + BT_DBG("%s status 0x%x", hdev->name, status); } static void hci_cc_le_set_scan_enable(struct hci_dev *hdev, @@ -899,13 +1031,19 @@ static void hci_cc_le_set_scan_enable(struct hci_dev *hdev, return; if (cp->enable == 0x01) { - del_timer(&hdev->adv_timer); + set_bit(HCI_LE_SCAN, &hdev->dev_flags); + + cancel_delayed_work_sync(&hdev->adv_work); hci_dev_lock(hdev); hci_adv_entries_clear(hdev); hci_dev_unlock(hdev); } else if (cp->enable == 0x00) { - mod_timer(&hdev->adv_timer, jiffies + ADV_CLEAR_TIMEOUT); + clear_bit(HCI_LE_SCAN, &hdev->dev_flags); + + cancel_delayed_work_sync(&hdev->adv_work); + queue_delayed_work(hdev->workqueue, &hdev->adv_work, + jiffies + ADV_CLEAR_TIMEOUT); } } @@ -955,12 +1093,18 @@ static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) if (status) { hci_req_complete(hdev, HCI_OP_INQUIRY, status); hci_conn_check_pending(hdev); + hci_dev_lock(hdev); + if (test_bit(HCI_MGMT, &hdev->flags)) + mgmt_start_discovery_failed(hdev, status); + hci_dev_unlock(hdev); return; } - if (!test_and_set_bit(HCI_INQUIRY, &hdev->flags) && - test_bit(HCI_MGMT, &hdev->flags)) - mgmt_discovering(hdev->id, 1); + set_bit(HCI_INQUIRY, &hdev->flags); + + hci_dev_lock(hdev); + mgmt_discovering(hdev, 1); + hci_dev_unlock(hdev); } static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) @@ -1339,13 +1483,16 @@ static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff BT_DBG("%s status %d", hdev->name, status); - if (test_and_clear_bit(HCI_INQUIRY, &hdev->flags) && - test_bit(HCI_MGMT, &hdev->flags)) - mgmt_discovering(hdev->id, 0); - hci_req_complete(hdev, HCI_OP_INQUIRY, status); hci_conn_check_pending(hdev); + + if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags)) + return; + + hci_dev_lock(hdev); + mgmt_discovering(hdev, 0); + hci_dev_unlock(hdev); } static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) @@ -1361,12 +1508,6 @@ static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff * hci_dev_lock(hdev); - if (!test_and_set_bit(HCI_INQUIRY, &hdev->flags)) { - - if (test_bit(HCI_MGMT, &hdev->flags)) - mgmt_discovering(hdev->id, 1); - } - for (; num_rsp; num_rsp--, info++) { bacpy(&data.bdaddr, &info->bdaddr); data.pscan_rep_mode = info->pscan_rep_mode; @@ -1377,8 +1518,8 @@ static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff * data.rssi = 0x00; data.ssp_mode = 0x00; hci_inquiry_cache_update(hdev, &data); - mgmt_device_found(hdev->id, &info->bdaddr, info->dev_class, 0, - NULL); + mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, + info->dev_class, 0, NULL); } hci_dev_unlock(hdev); @@ -1412,7 +1553,8 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s conn->state = BT_CONFIG; hci_conn_hold(conn); conn->disc_timeout = HCI_DISCONN_TIMEOUT; - mgmt_connected(hdev->id, &ev->bdaddr, conn->type); + mgmt_connected(hdev, &ev->bdaddr, conn->type, + conn->dst_type); } else conn->state = BT_CONNECTED; @@ -1434,7 +1576,7 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s } /* Set packet type for incoming connection */ - if (!conn->out && hdev->hci_ver < 3) { + if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) { struct hci_cp_change_conn_ptype cp; cp.handle = ev->handle; cp.pkt_type = cpu_to_le16(conn->pkt_type); @@ -1444,7 +1586,8 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s } else { conn->state = BT_CLOSED; if (conn->type == ACL_LINK) - mgmt_connect_failed(hdev->id, &ev->bdaddr, ev->status); + mgmt_connect_failed(hdev, &ev->bdaddr, conn->type, + conn->dst_type, ev->status); } if (conn->type == ACL_LINK) @@ -1531,7 +1674,7 @@ static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *sk struct hci_cp_reject_conn_req cp; bacpy(&cp.bdaddr, &ev->bdaddr); - cp.reason = 0x0f; + cp.reason = HCI_ERROR_REJ_BAD_ADDR; hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp); } } @@ -1543,24 +1686,27 @@ static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff BT_DBG("%s status %d", hdev->name, ev->status); - if (ev->status) { - mgmt_disconnect_failed(hdev->id); - return; - } - hci_dev_lock(hdev); conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); if (!conn) goto unlock; - conn->state = BT_CLOSED; + if (ev->status == 0) + conn->state = BT_CLOSED; - if (conn->type == ACL_LINK || conn->type == LE_LINK) - mgmt_disconnected(hdev->id, &conn->dst); + if (conn->type == ACL_LINK || conn->type == LE_LINK) { + if (ev->status != 0) + mgmt_disconnect_failed(hdev, &conn->dst, ev->status); + else + mgmt_disconnected(hdev, &conn->dst, conn->type, + conn->dst_type); + } - hci_proto_disconn_cfm(conn, ev->reason); - hci_conn_del(conn); + if (ev->status == 0) { + hci_proto_disconn_cfm(conn, ev->reason); + hci_conn_del(conn); + } unlock: hci_dev_unlock(hdev); @@ -1588,7 +1734,7 @@ static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *s conn->sec_level = conn->pending_sec_level; } } else { - mgmt_auth_failed(hdev->id, &conn->dst, ev->status); + mgmt_auth_failed(hdev, &conn->dst, ev->status); } clear_bit(HCI_CONN_AUTH_PEND, &conn->pend); @@ -1643,7 +1789,7 @@ static inline void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb hci_dev_lock(hdev); if (ev->status == 0 && test_bit(HCI_MGMT, &hdev->flags)) - mgmt_remote_name(hdev->id, &ev->bdaddr, ev->name); + mgmt_remote_name(hdev, &ev->bdaddr, ev->name); conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); if (!conn) @@ -1894,10 +2040,22 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk hci_cc_read_bd_addr(hdev, skb); break; + case HCI_OP_READ_DATA_BLOCK_SIZE: + hci_cc_read_data_block_size(hdev, skb); + break; + case HCI_OP_WRITE_CA_TIMEOUT: hci_cc_write_ca_timeout(hdev, skb); break; + case HCI_OP_READ_FLOW_CONTROL_MODE: + hci_cc_read_flow_control_mode(hdev, skb); + break; + + case HCI_OP_READ_LOCAL_AMP_INFO: + hci_cc_read_local_amp_info(hdev, skb); + break; + case HCI_OP_DELETE_STORED_LINK_KEY: hci_cc_delete_stored_link_key(hdev, skb); break; @@ -1942,6 +2100,17 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk hci_cc_user_confirm_neg_reply(hdev, skb); break; + case HCI_OP_USER_PASSKEY_REPLY: + hci_cc_user_passkey_reply(hdev, skb); + break; + + case HCI_OP_USER_PASSKEY_NEG_REPLY: + hci_cc_user_passkey_neg_reply(hdev, skb); + + case HCI_OP_LE_SET_SCAN_PARAM: + hci_cc_le_set_scan_param(hdev, skb); + break; + case HCI_OP_LE_SET_SCAN_ENABLE: hci_cc_le_set_scan_enable(hdev, skb); break; @@ -1969,7 +2138,7 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk if (ev->ncmd) { atomic_set(&hdev->cmd_cnt, 1); if (!skb_queue_empty(&hdev->cmd_q)) - tasklet_schedule(&hdev->cmd_task); + queue_work(hdev->workqueue, &hdev->cmd_work); } } @@ -2029,7 +2198,7 @@ static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb) case HCI_OP_DISCONNECT: if (ev->status != 0) - mgmt_disconnect_failed(hdev->id); + mgmt_disconnect_failed(hdev, NULL, ev->status); break; case HCI_OP_LE_CREATE_CONN: @@ -2051,7 +2220,7 @@ static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb) if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) { atomic_set(&hdev->cmd_cnt, 1); if (!skb_queue_empty(&hdev->cmd_q)) - tasklet_schedule(&hdev->cmd_task); + queue_work(hdev->workqueue, &hdev->cmd_work); } } @@ -2096,8 +2265,6 @@ static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *s return; } - tasklet_disable(&hdev->tx_task); - for (i = 0, ptr = (__le16 *) skb->data; i < ev->num_hndl; i++) { struct hci_conn *conn; __u16 handle, count; @@ -2106,34 +2273,43 @@ static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *s count = get_unaligned_le16(ptr++); conn = hci_conn_hash_lookup_handle(hdev, handle); - if (conn) { - conn->sent -= count; - - if (conn->type == ACL_LINK) { + if (!conn) + continue; + + conn->sent -= count; + + switch (conn->type) { + case ACL_LINK: + hdev->acl_cnt += count; + if (hdev->acl_cnt > hdev->acl_pkts) + hdev->acl_cnt = hdev->acl_pkts; + break; + + case LE_LINK: + if (hdev->le_pkts) { + hdev->le_cnt += count; + if (hdev->le_cnt > hdev->le_pkts) + hdev->le_cnt = hdev->le_pkts; + } else { hdev->acl_cnt += count; if (hdev->acl_cnt > hdev->acl_pkts) hdev->acl_cnt = hdev->acl_pkts; - } else if (conn->type == LE_LINK) { - if (hdev->le_pkts) { - hdev->le_cnt += count; - if (hdev->le_cnt > hdev->le_pkts) - hdev->le_cnt = hdev->le_pkts; - } else { - hdev->acl_cnt += count; - if (hdev->acl_cnt > hdev->acl_pkts) - hdev->acl_cnt = hdev->acl_pkts; - } - } else { - hdev->sco_cnt += count; - if (hdev->sco_cnt > hdev->sco_pkts) - hdev->sco_cnt = hdev->sco_pkts; } + break; + + case SCO_LINK: + hdev->sco_cnt += count; + if (hdev->sco_cnt > hdev->sco_pkts) + hdev->sco_cnt = hdev->sco_pkts; + break; + + default: + BT_ERR("Unknown type %d conn %p", conn->type, conn); + break; } } - tasklet_schedule(&hdev->tx_task); - - tasklet_enable(&hdev->tx_task); + queue_work(hdev->workqueue, &hdev->tx_work); } static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb) @@ -2194,7 +2370,7 @@ static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff else secure = 0; - mgmt_pin_code_request(hdev->id, &ev->bdaddr, secure); + mgmt_pin_code_request(hdev, &ev->bdaddr, secure); } unlock: @@ -2363,12 +2539,6 @@ static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct hci_dev_lock(hdev); - if (!test_and_set_bit(HCI_INQUIRY, &hdev->flags)) { - - if (test_bit(HCI_MGMT, &hdev->flags)) - mgmt_discovering(hdev->id, 1); - } - if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) { struct inquiry_info_with_rssi_and_pscan_mode *info; info = (void *) (skb->data + 1); @@ -2383,7 +2553,7 @@ static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct data.rssi = info->rssi; data.ssp_mode = 0x00; hci_inquiry_cache_update(hdev, &data); - mgmt_device_found(hdev->id, &info->bdaddr, + mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, info->dev_class, info->rssi, NULL); } @@ -2400,7 +2570,7 @@ static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct data.rssi = info->rssi; data.ssp_mode = 0x00; hci_inquiry_cache_update(hdev, &data); - mgmt_device_found(hdev->id, &info->bdaddr, + mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, info->dev_class, info->rssi, NULL); } @@ -2531,12 +2701,6 @@ static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct if (!num_rsp) return; - if (!test_and_set_bit(HCI_INQUIRY, &hdev->flags)) { - - if (test_bit(HCI_MGMT, &hdev->flags)) - mgmt_discovering(hdev->id, 1); - } - hci_dev_lock(hdev); for (; num_rsp; num_rsp--, info++) { @@ -2549,8 +2713,8 @@ static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct data.rssi = info->rssi; data.ssp_mode = 0x01; hci_inquiry_cache_update(hdev, &data); - mgmt_device_found(hdev->id, &info->bdaddr, info->dev_class, - info->rssi, info->data); + mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, + info->dev_class, info->rssi, info->data); } hci_dev_unlock(hdev); @@ -2614,7 +2778,7 @@ static inline void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff struct hci_cp_io_capability_neg_reply cp; bacpy(&cp.bdaddr, &ev->bdaddr); - cp.reason = 0x18; /* Pairing not allowed */ + cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED; hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY, sizeof(cp), &cp); @@ -2706,13 +2870,28 @@ static inline void hci_user_confirm_request_evt(struct hci_dev *hdev, } confirm: - mgmt_user_confirm_request(hdev->id, &ev->bdaddr, ev->passkey, + mgmt_user_confirm_request(hdev, &ev->bdaddr, ev->passkey, confirm_hint); unlock: hci_dev_unlock(hdev); } +static inline void hci_user_passkey_request_evt(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_ev_user_passkey_req *ev = (void *) skb->data; + + BT_DBG("%s", hdev->name); + + hci_dev_lock(hdev); + + if (test_bit(HCI_MGMT, &hdev->flags)) + mgmt_user_passkey_request(hdev, &ev->bdaddr); + + hci_dev_unlock(hdev); +} + static inline void hci_simple_pair_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_simple_pair_complete *ev = (void *) skb->data; @@ -2732,7 +2911,7 @@ static inline void hci_simple_pair_complete_evt(struct hci_dev *hdev, struct sk_ * event gets always produced as initiator and is also mapped to * the mgmt_auth_failed event */ if (!test_bit(HCI_CONN_AUTH_PEND, &conn->pend) && ev->status != 0) - mgmt_auth_failed(hdev->id, &conn->dst, ev->status); + mgmt_auth_failed(hdev, &conn->dst, ev->status); hci_conn_put(conn); @@ -2813,14 +2992,15 @@ static inline void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff } if (ev->status) { - mgmt_connect_failed(hdev->id, &ev->bdaddr, ev->status); + mgmt_connect_failed(hdev, &ev->bdaddr, conn->type, + conn->dst_type, ev->status); hci_proto_connect_cfm(conn, ev->status); conn->state = BT_CLOSED; hci_conn_del(conn); goto unlock; } - mgmt_connected(hdev->id, &ev->bdaddr, conn->type); + mgmt_connected(hdev, &ev->bdaddr, conn->type, conn->dst_type); conn->sec_level = BT_SECURITY_LOW; conn->handle = __le16_to_cpu(ev->handle); @@ -3051,6 +3231,10 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) hci_user_confirm_request_evt(hdev, skb); break; + case HCI_EV_USER_PASSKEY_REQUEST: + hci_user_passkey_request_evt(hdev, skb); + break; + case HCI_EV_SIMPLE_PAIR_COMPLETE: hci_simple_pair_complete_evt(hdev, skb); break; @@ -3104,5 +3288,5 @@ void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data) kfree_skb(skb); } -module_param(enable_le, bool, 0444); +module_param(enable_le, bool, 0644); MODULE_PARM_DESC(enable_le, "Enable LE support"); diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c index f6afe3d..189a667 100644 --- a/net/bluetooth/hci_sock.c +++ b/net/bluetooth/hci_sock.c @@ -188,11 +188,11 @@ static int hci_sock_blacklist_add(struct hci_dev *hdev, void __user *arg) if (copy_from_user(&bdaddr, arg, sizeof(bdaddr))) return -EFAULT; - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); err = hci_blacklist_add(hdev, &bdaddr); - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); return err; } @@ -205,11 +205,11 @@ static int hci_sock_blacklist_del(struct hci_dev *hdev, void __user *arg) if (copy_from_user(&bdaddr, arg, sizeof(bdaddr))) return -EFAULT; - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); err = hci_blacklist_del(hdev, &bdaddr); - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); return err; } @@ -343,8 +343,11 @@ static int hci_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_le if (haddr.hci_channel > HCI_CHANNEL_CONTROL) return -EINVAL; - if (haddr.hci_channel == HCI_CHANNEL_CONTROL && !enable_mgmt) - return -EINVAL; + if (haddr.hci_channel == HCI_CHANNEL_CONTROL) { + if (!enable_mgmt) + return -EINVAL; + set_bit(HCI_PI_MGMT_INIT, &hci_pi(sk)->flags); + } lock_sock(sk); @@ -535,10 +538,10 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock, if (test_bit(HCI_RAW, &hdev->flags) || (ogf == 0x3f)) { skb_queue_tail(&hdev->raw_q, skb); - tasklet_schedule(&hdev->tx_task); + queue_work(hdev->workqueue, &hdev->tx_work); } else { skb_queue_tail(&hdev->cmd_q, skb); - tasklet_schedule(&hdev->cmd_task); + queue_work(hdev->workqueue, &hdev->cmd_work); } } else { if (!capable(CAP_NET_RAW)) { @@ -547,7 +550,7 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock, } skb_queue_tail(&hdev->raw_q, skb); - tasklet_schedule(&hdev->tx_task); + queue_work(hdev->workqueue, &hdev->tx_work); } err = len; diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c index 22f1a6c..db6af70 100644 --- a/net/bluetooth/hci_sysfs.c +++ b/net/bluetooth/hci_sysfs.c @@ -88,11 +88,35 @@ static struct device_type bt_link = { .release = bt_link_release, }; -static void add_conn(struct work_struct *work) +/* + * The rfcomm tty device will possibly retain even when conn + * is down, and sysfs doesn't support move zombie device, + * so we should move the device before conn device is destroyed. + */ +static int __match_tty(struct device *dev, void *data) +{ + return !strncmp(dev_name(dev), "rfcomm", 6); +} + +void hci_conn_init_sysfs(struct hci_conn *conn) +{ + struct hci_dev *hdev = conn->hdev; + + BT_DBG("conn %p", conn); + + conn->dev.type = &bt_link; + conn->dev.class = bt_class; + conn->dev.parent = &hdev->dev; + + device_initialize(&conn->dev); +} + +void hci_conn_add_sysfs(struct hci_conn *conn) { - struct hci_conn *conn = container_of(work, struct hci_conn, work_add); struct hci_dev *hdev = conn->hdev; + BT_DBG("conn %p", conn); + dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle); dev_set_drvdata(&conn->dev, conn); @@ -105,19 +129,8 @@ static void add_conn(struct work_struct *work) hci_dev_hold(hdev); } -/* - * The rfcomm tty device will possibly retain even when conn - * is down, and sysfs doesn't support move zombie device, - * so we should move the device before conn device is destroyed. - */ -static int __match_tty(struct device *dev, void *data) -{ - return !strncmp(dev_name(dev), "rfcomm", 6); -} - -static void del_conn(struct work_struct *work) +void hci_conn_del_sysfs(struct hci_conn *conn) { - struct hci_conn *conn = container_of(work, struct hci_conn, work_del); struct hci_dev *hdev = conn->hdev; if (!device_is_registered(&conn->dev)) @@ -139,36 +152,6 @@ static void del_conn(struct work_struct *work) hci_dev_put(hdev); } -void hci_conn_init_sysfs(struct hci_conn *conn) -{ - struct hci_dev *hdev = conn->hdev; - - BT_DBG("conn %p", conn); - - conn->dev.type = &bt_link; - conn->dev.class = bt_class; - conn->dev.parent = &hdev->dev; - - device_initialize(&conn->dev); - - INIT_WORK(&conn->work_add, add_conn); - INIT_WORK(&conn->work_del, del_conn); -} - -void hci_conn_add_sysfs(struct hci_conn *conn) -{ - BT_DBG("conn %p", conn); - - queue_work(conn->hdev->workqueue, &conn->work_add); -} - -void hci_conn_del_sysfs(struct hci_conn *conn) -{ - BT_DBG("conn %p", conn); - - queue_work(conn->hdev->workqueue, &conn->work_del); -} - static inline char *host_bustostr(int bus) { switch (bus) { @@ -402,7 +385,7 @@ static int inquiry_cache_show(struct seq_file *f, void *p) struct inquiry_cache *cache = &hdev->inq_cache; struct inquiry_entry *e; - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); for (e = cache->list; e; e = e->next) { struct inquiry_data *data = &e->data; @@ -415,7 +398,7 @@ static int inquiry_cache_show(struct seq_file *f, void *p) data->rssi, data->ssp_mode, e->timestamp); } - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); return 0; } @@ -435,19 +418,14 @@ static const struct file_operations inquiry_cache_fops = { static int blacklist_show(struct seq_file *f, void *p) { struct hci_dev *hdev = f->private; - struct list_head *l; + struct bdaddr_list *b; - hci_dev_lock_bh(hdev); - - list_for_each(l, &hdev->blacklist) { - struct bdaddr_list *b; - - b = list_entry(l, struct bdaddr_list, list); + hci_dev_lock(hdev); + list_for_each_entry(b, &hdev->blacklist, list) seq_printf(f, "%s\n", batostr(&b->bdaddr)); - } - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); return 0; } @@ -484,19 +462,14 @@ static void print_bt_uuid(struct seq_file *f, u8 *uuid) static int uuids_show(struct seq_file *f, void *p) { struct hci_dev *hdev = f->private; - struct list_head *l; - - hci_dev_lock_bh(hdev); - - list_for_each(l, &hdev->uuids) { - struct bt_uuid *uuid; + struct bt_uuid *uuid; - uuid = list_entry(l, struct bt_uuid, list); + hci_dev_lock(hdev); + list_for_each_entry(uuid, &hdev->uuids, list) print_bt_uuid(f, uuid->uuid); - } - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); return 0; } @@ -517,11 +490,11 @@ static int auto_accept_delay_set(void *data, u64 val) { struct hci_dev *hdev = data; - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); hdev->auto_accept_delay = val; - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); return 0; } @@ -530,11 +503,11 @@ static int auto_accept_delay_get(void *data, u64 *val) { struct hci_dev *hdev = data; - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); *val = hdev->auto_accept_delay; - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); return 0; } @@ -542,22 +515,28 @@ static int auto_accept_delay_get(void *data, u64 *val) DEFINE_SIMPLE_ATTRIBUTE(auto_accept_delay_fops, auto_accept_delay_get, auto_accept_delay_set, "%llu\n"); -int hci_register_sysfs(struct hci_dev *hdev) +void hci_init_sysfs(struct hci_dev *hdev) +{ + struct device *dev = &hdev->dev; + + dev->type = &bt_host; + dev->class = bt_class; + + dev_set_drvdata(dev, hdev); + device_initialize(dev); +} + +int hci_add_sysfs(struct hci_dev *hdev) { struct device *dev = &hdev->dev; int err; BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus); - dev->type = &bt_host; - dev->class = bt_class; dev->parent = hdev->parent; - dev_set_name(dev, "%s", hdev->name); - dev_set_drvdata(dev, hdev); - - err = device_register(dev); + err = device_add(dev); if (err < 0) return err; @@ -581,7 +560,7 @@ int hci_register_sysfs(struct hci_dev *hdev) return 0; } -void hci_unregister_sysfs(struct hci_dev *hdev) +void hci_del_sysfs(struct hci_dev *hdev) { BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus); diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c index 075a3e9..d478be1 100644 --- a/net/bluetooth/hidp/core.c +++ b/net/bluetooth/hidp/core.c @@ -81,24 +81,20 @@ static unsigned char hidp_mkeyspat[] = { 0x01, 0x01, 0x01, 0x01, 0x01, 0x01 }; static struct hidp_session *__hidp_get_session(bdaddr_t *bdaddr) { struct hidp_session *session; - struct list_head *p; BT_DBG(""); - list_for_each(p, &hidp_session_list) { - session = list_entry(p, struct hidp_session, list); + list_for_each_entry(session, &hidp_session_list, list) { if (!bacmp(bdaddr, &session->bdaddr)) return session; } + return NULL; } static void __hidp_link_session(struct hidp_session *session) { - __module_get(THIS_MODULE); list_add(&session->list, &hidp_session_list); - - hci_conn_hold_device(session->conn); } static void __hidp_unlink_session(struct hidp_session *session) @@ -106,7 +102,6 @@ static void __hidp_unlink_session(struct hidp_session *session) hci_conn_put_device(session->conn); list_del(&session->list); - module_put(THIS_MODULE); } static void __hidp_copy_session(struct hidp_session *session, struct hidp_conninfo *ci) @@ -255,6 +250,9 @@ static int __hidp_send_ctrl_message(struct hidp_session *session, BT_DBG("session %p data %p size %d", session, data, size); + if (atomic_read(&session->terminate)) + return -EIO; + skb = alloc_skb(size + 1, GFP_ATOMIC); if (!skb) { BT_ERR("Can't allocate memory for new frame"); @@ -329,6 +327,7 @@ static int hidp_get_raw_report(struct hid_device *hid, struct sk_buff *skb; size_t len; int numbered_reports = hid->report_enum[report_type].numbered; + int ret; switch (report_type) { case HID_FEATURE_REPORT: @@ -352,8 +351,9 @@ static int hidp_get_raw_report(struct hid_device *hid, session->waiting_report_number = numbered_reports ? report_number : -1; set_bit(HIDP_WAITING_FOR_RETURN, &session->flags); data[0] = report_number; - if (hidp_send_ctrl_message(hid->driver_data, report_type, data, 1)) - goto err_eio; + ret = hidp_send_ctrl_message(hid->driver_data, report_type, data, 1); + if (ret) + goto err; /* Wait for the return of the report. The returned report gets put in session->report_return. */ @@ -365,11 +365,13 @@ static int hidp_get_raw_report(struct hid_device *hid, 5*HZ); if (res == 0) { /* timeout */ - goto err_eio; + ret = -EIO; + goto err; } if (res < 0) { /* signal */ - goto err_restartsys; + ret = -ERESTARTSYS; + goto err; } } @@ -390,14 +392,10 @@ static int hidp_get_raw_report(struct hid_device *hid, return len; -err_restartsys: - clear_bit(HIDP_WAITING_FOR_RETURN, &session->flags); - mutex_unlock(&session->report_mutex); - return -ERESTARTSYS; -err_eio: +err: clear_bit(HIDP_WAITING_FOR_RETURN, &session->flags); mutex_unlock(&session->report_mutex); - return -EIO; + return ret; } static int hidp_output_raw_report(struct hid_device *hid, unsigned char *data, size_t count, @@ -422,11 +420,10 @@ static int hidp_output_raw_report(struct hid_device *hid, unsigned char *data, s /* Set up our wait, and send the report request to the device. */ set_bit(HIDP_WAITING_FOR_SEND_ACK, &session->flags); - if (hidp_send_ctrl_message(hid->driver_data, report_type, - data, count)) { - ret = -ENOMEM; + ret = hidp_send_ctrl_message(hid->driver_data, report_type, data, + count); + if (ret) goto err; - } /* Wait for the ACK from the device. */ while (test_bit(HIDP_WAITING_FOR_SEND_ACK, &session->flags)) { @@ -496,10 +493,9 @@ static void hidp_process_handshake(struct hidp_session *session, case HIDP_HSHK_ERR_INVALID_REPORT_ID: case HIDP_HSHK_ERR_UNSUPPORTED_REQUEST: case HIDP_HSHK_ERR_INVALID_PARAMETER: - if (test_bit(HIDP_WAITING_FOR_RETURN, &session->flags)) { - clear_bit(HIDP_WAITING_FOR_RETURN, &session->flags); + if (test_and_clear_bit(HIDP_WAITING_FOR_RETURN, &session->flags)) wake_up_interruptible(&session->report_queue); - } + /* FIXME: Call into SET_ GET_ handlers here */ break; @@ -520,10 +516,8 @@ static void hidp_process_handshake(struct hidp_session *session, } /* Wake up the waiting thread. */ - if (test_bit(HIDP_WAITING_FOR_SEND_ACK, &session->flags)) { - clear_bit(HIDP_WAITING_FOR_SEND_ACK, &session->flags); + if (test_and_clear_bit(HIDP_WAITING_FOR_SEND_ACK, &session->flags)) wake_up_interruptible(&session->report_queue); - } } static void hidp_process_hid_control(struct hidp_session *session, @@ -663,25 +657,32 @@ static int hidp_send_frame(struct socket *sock, unsigned char *data, int len) return kernel_sendmsg(sock, &msg, &iv, 1, len); } -static void hidp_process_transmit(struct hidp_session *session) +static void hidp_process_intr_transmit(struct hidp_session *session) { struct sk_buff *skb; BT_DBG("session %p", session); - while ((skb = skb_dequeue(&session->ctrl_transmit))) { - if (hidp_send_frame(session->ctrl_sock, skb->data, skb->len) < 0) { - skb_queue_head(&session->ctrl_transmit, skb); + while ((skb = skb_dequeue(&session->intr_transmit))) { + if (hidp_send_frame(session->intr_sock, skb->data, skb->len) < 0) { + skb_queue_head(&session->intr_transmit, skb); break; } hidp_set_timer(session); kfree_skb(skb); } +} - while ((skb = skb_dequeue(&session->intr_transmit))) { - if (hidp_send_frame(session->intr_sock, skb->data, skb->len) < 0) { - skb_queue_head(&session->intr_transmit, skb); +static void hidp_process_ctrl_transmit(struct hidp_session *session) +{ + struct sk_buff *skb; + + BT_DBG("session %p", session); + + while ((skb = skb_dequeue(&session->ctrl_transmit))) { + if (hidp_send_frame(session->ctrl_sock, skb->data, skb->len) < 0) { + skb_queue_head(&session->ctrl_transmit, skb); break; } @@ -700,6 +701,7 @@ static int hidp_session(void *arg) BT_DBG("session %p", session); + __module_get(THIS_MODULE); set_user_nice(current, -15); init_waitqueue_entry(&ctrl_wait, current); @@ -714,23 +716,25 @@ static int hidp_session(void *arg) intr_sk->sk_state != BT_CONNECTED) break; - while ((skb = skb_dequeue(&ctrl_sk->sk_receive_queue))) { + while ((skb = skb_dequeue(&intr_sk->sk_receive_queue))) { skb_orphan(skb); if (!skb_linearize(skb)) - hidp_recv_ctrl_frame(session, skb); + hidp_recv_intr_frame(session, skb); else kfree_skb(skb); } - while ((skb = skb_dequeue(&intr_sk->sk_receive_queue))) { + hidp_process_intr_transmit(session); + + while ((skb = skb_dequeue(&ctrl_sk->sk_receive_queue))) { skb_orphan(skb); if (!skb_linearize(skb)) - hidp_recv_intr_frame(session, skb); + hidp_recv_ctrl_frame(session, skb); else kfree_skb(skb); } - hidp_process_transmit(session); + hidp_process_ctrl_transmit(session); schedule(); set_current_state(TASK_INTERRUPTIBLE); @@ -739,6 +743,10 @@ static int hidp_session(void *arg) remove_wait_queue(sk_sleep(intr_sk), &intr_wait); remove_wait_queue(sk_sleep(ctrl_sk), &ctrl_wait); + clear_bit(HIDP_WAITING_FOR_SEND_ACK, &session->flags); + clear_bit(HIDP_WAITING_FOR_RETURN, &session->flags); + wake_up_interruptible(&session->report_queue); + down_write(&hidp_session_sem); hidp_del_timer(session); @@ -772,34 +780,37 @@ static int hidp_session(void *arg) kfree(session->rd_data); kfree(session); + module_put_and_exit(0); return 0; } -static struct device *hidp_get_device(struct hidp_session *session) +static struct hci_conn *hidp_get_connection(struct hidp_session *session) { bdaddr_t *src = &bt_sk(session->ctrl_sock->sk)->src; bdaddr_t *dst = &bt_sk(session->ctrl_sock->sk)->dst; - struct device *device = NULL; + struct hci_conn *conn; struct hci_dev *hdev; hdev = hci_get_route(dst, src); if (!hdev) return NULL; - session->conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, dst); - if (session->conn) - device = &session->conn->dev; + hci_dev_lock(hdev); + conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, dst); + if (conn) + hci_conn_hold_device(conn); + hci_dev_unlock(hdev); hci_dev_put(hdev); - return device; + return conn; } static int hidp_setup_input(struct hidp_session *session, struct hidp_connadd_req *req) { struct input_dev *input; - int err, i; + int i; input = input_allocate_device(); if (!input) @@ -842,17 +853,10 @@ static int hidp_setup_input(struct hidp_session *session, input->relbit[0] |= BIT_MASK(REL_WHEEL); } - input->dev.parent = hidp_get_device(session); + input->dev.parent = &session->conn->dev; input->event = hidp_input_event; - err = input_register_device(input); - if (err < 0) { - input_free_device(input); - session->input = NULL; - return err; - } - return 0; } @@ -949,7 +953,7 @@ static int hidp_setup_hid(struct hidp_session *session, strncpy(hid->phys, batostr(&bt_sk(session->ctrl_sock->sk)->src), 64); strncpy(hid->uniq, batostr(&bt_sk(session->ctrl_sock->sk)->dst), 64); - hid->dev.parent = hidp_get_device(session); + hid->dev.parent = &session->conn->dev; hid->ll_driver = &hidp_hid_driver; hid->hid_get_raw_report = hidp_get_raw_report; @@ -976,18 +980,20 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock, bacmp(&bt_sk(ctrl_sock->sk)->dst, &bt_sk(intr_sock->sk)->dst)) return -ENOTUNIQ; - session = kzalloc(sizeof(struct hidp_session), GFP_KERNEL); - if (!session) - return -ENOMEM; - BT_DBG("rd_data %p rd_size %d", req->rd_data, req->rd_size); down_write(&hidp_session_sem); s = __hidp_get_session(&bt_sk(ctrl_sock->sk)->dst); if (s && s->state == BT_CONNECTED) { - err = -EEXIST; - goto failed; + up_write(&hidp_session_sem); + return -EEXIST; + } + + session = kzalloc(sizeof(struct hidp_session), GFP_KERNEL); + if (!session) { + up_write(&hidp_session_sem); + return -ENOMEM; } bacpy(&session->bdaddr, &bt_sk(ctrl_sock->sk)->dst); @@ -1003,6 +1009,12 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock, session->intr_sock = intr_sock; session->state = BT_CONNECTED; + session->conn = hidp_get_connection(session); + if (!session->conn) { + err = -ENOTCONN; + goto failed; + } + setup_timer(&session->timer, hidp_idle_timeout, (unsigned long)session); skb_queue_head_init(&session->ctrl_transmit); @@ -1015,9 +1027,11 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock, session->flags = req->flags & (1 << HIDP_BLUETOOTH_VENDOR_ID); session->idle_to = req->idle_to; + __hidp_link_session(session); + if (req->rd_size > 0) { err = hidp_setup_hid(session, req); - if (err && err != -ENODEV) + if (err) goto purge; } @@ -1027,8 +1041,6 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock, goto purge; } - __hidp_link_session(session); - hidp_set_timer(session); if (session->hid) { @@ -1054,7 +1066,11 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock, !session->waiting_for_startup); } - err = hid_add_device(session->hid); + if (session->hid) + err = hid_add_device(session->hid); + else + err = input_register_device(session->input); + if (err < 0) { atomic_inc(&session->terminate); wake_up_process(session->task); @@ -1077,8 +1093,6 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock, unlink: hidp_del_timer(session); - __hidp_unlink_session(session); - if (session->input) { input_unregister_device(session->input); session->input = NULL; @@ -1093,6 +1107,8 @@ unlink: session->rd_data = NULL; purge: + __hidp_unlink_session(session); + skb_queue_purge(&session->ctrl_transmit); skb_queue_purge(&session->intr_transmit); @@ -1134,19 +1150,16 @@ int hidp_del_connection(struct hidp_conndel_req *req) int hidp_get_connlist(struct hidp_connlist_req *req) { - struct list_head *p; + struct hidp_session *session; int err = 0, n = 0; BT_DBG(""); down_read(&hidp_session_sem); - list_for_each(p, &hidp_session_list) { - struct hidp_session *session; + list_for_each_entry(session, &hidp_session_list, list) { struct hidp_conninfo ci; - session = list_entry(p, struct hidp_session, list); - __hidp_copy_session(session, &ci); if (copy_to_user(req->ci, &ci, sizeof(ci))) { diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 17b5b1c..ffa2f6b 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -3,6 +3,7 @@ Copyright (C) 2000-2001 Qualcomm Incorporated Copyright (C) 2009-2010 Gustavo F. Padovan <gustavo@padovan.org> Copyright (C) 2010 Google Inc. + Copyright (C) 2011 ProFUSION Embedded Systems Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> @@ -59,7 +60,7 @@ int disable_ertm; static u32 l2cap_feat_mask = L2CAP_FEAT_FIXED_CHAN; -static u8 l2cap_fixed_chan[8] = { 0x02, }; +static u8 l2cap_fixed_chan[8] = { L2CAP_FC_L2CAP, }; static LIST_HEAD(chan_list); static DEFINE_RWLOCK(chan_list_lock); @@ -89,25 +90,36 @@ static inline void chan_put(struct l2cap_chan *c) static struct l2cap_chan *__l2cap_get_chan_by_dcid(struct l2cap_conn *conn, u16 cid) { - struct l2cap_chan *c; + struct l2cap_chan *c, *r = NULL; - list_for_each_entry(c, &conn->chan_l, list) { - if (c->dcid == cid) - return c; + rcu_read_lock(); + + list_for_each_entry_rcu(c, &conn->chan_l, list) { + if (c->dcid == cid) { + r = c; + break; + } } - return NULL; + rcu_read_unlock(); + return r; } static struct l2cap_chan *__l2cap_get_chan_by_scid(struct l2cap_conn *conn, u16 cid) { - struct l2cap_chan *c; + struct l2cap_chan *c, *r = NULL; - list_for_each_entry(c, &conn->chan_l, list) { - if (c->scid == cid) - return c; + rcu_read_lock(); + + list_for_each_entry_rcu(c, &conn->chan_l, list) { + if (c->scid == cid) { + r = c; + break; + } } - return NULL; + + rcu_read_unlock(); + return r; } /* Find channel with given SCID. @@ -116,34 +128,36 @@ static struct l2cap_chan *l2cap_get_chan_by_scid(struct l2cap_conn *conn, u16 ci { struct l2cap_chan *c; - read_lock(&conn->chan_lock); c = __l2cap_get_chan_by_scid(conn, cid); if (c) - bh_lock_sock(c->sk); - read_unlock(&conn->chan_lock); + lock_sock(c->sk); return c; } static struct l2cap_chan *__l2cap_get_chan_by_ident(struct l2cap_conn *conn, u8 ident) { - struct l2cap_chan *c; + struct l2cap_chan *c, *r = NULL; - list_for_each_entry(c, &conn->chan_l, list) { - if (c->ident == ident) - return c; + rcu_read_lock(); + + list_for_each_entry_rcu(c, &conn->chan_l, list) { + if (c->ident == ident) { + r = c; + break; + } } - return NULL; + + rcu_read_unlock(); + return r; } static inline struct l2cap_chan *l2cap_get_chan_by_ident(struct l2cap_conn *conn, u8 ident) { struct l2cap_chan *c; - read_lock(&conn->chan_lock); c = __l2cap_get_chan_by_ident(conn, ident); if (c) - bh_lock_sock(c->sk); - read_unlock(&conn->chan_lock); + lock_sock(c->sk); return c; } @@ -153,12 +167,9 @@ static struct l2cap_chan *__l2cap_global_chan_by_addr(__le16 psm, bdaddr_t *src) list_for_each_entry(c, &chan_list, global_l) { if (c->sport == psm && !bacmp(&bt_sk(c->sk)->src, src)) - goto found; + return c; } - - c = NULL; -found: - return c; + return NULL; } int l2cap_add_psm(struct l2cap_chan *chan, bdaddr_t *src, __le16 psm) @@ -217,45 +228,65 @@ static u16 l2cap_alloc_cid(struct l2cap_conn *conn) return 0; } -static void l2cap_set_timer(struct l2cap_chan *chan, struct timer_list *timer, long timeout) +static void l2cap_set_timer(struct l2cap_chan *chan, struct delayed_work *work, long timeout) { - BT_DBG("chan %p state %d timeout %ld", chan->sk, chan->state, timeout); + BT_DBG("chan %p state %d timeout %ld", chan, chan->state, timeout); - if (!mod_timer(timer, jiffies + msecs_to_jiffies(timeout))) - chan_hold(chan); + cancel_delayed_work_sync(work); + + schedule_delayed_work(work, timeout); } -static void l2cap_clear_timer(struct l2cap_chan *chan, struct timer_list *timer) +static void l2cap_clear_timer(struct delayed_work *work) { - BT_DBG("chan %p state %d", chan, chan->state); + cancel_delayed_work_sync(work); +} - if (timer_pending(timer) && del_timer(timer)) - chan_put(chan); +static char *state_to_string(int state) +{ + switch(state) { + case BT_CONNECTED: + return "BT_CONNECTED"; + case BT_OPEN: + return "BT_OPEN"; + case BT_BOUND: + return "BT_BOUND"; + case BT_LISTEN: + return "BT_LISTEN"; + case BT_CONNECT: + return "BT_CONNECT"; + case BT_CONNECT2: + return "BT_CONNECT2"; + case BT_CONFIG: + return "BT_CONFIG"; + case BT_DISCONN: + return "BT_DISCONN"; + case BT_CLOSED: + return "BT_CLOSED"; + } + + return "invalid state"; } static void l2cap_state_change(struct l2cap_chan *chan, int state) { + BT_DBG("%p %s -> %s", chan, state_to_string(chan->state), + state_to_string(state)); + chan->state = state; chan->ops->state_change(chan->data, state); } -static void l2cap_chan_timeout(unsigned long arg) +static void l2cap_chan_timeout(struct work_struct *work) { - struct l2cap_chan *chan = (struct l2cap_chan *) arg; + struct l2cap_chan *chan = container_of(work, struct l2cap_chan, + chan_timer.work); struct sock *sk = chan->sk; int reason; BT_DBG("chan %p state %d", chan, chan->state); - bh_lock_sock(sk); - - if (sock_owned_by_user(sk)) { - /* sk is owned by user. Try again later */ - __set_chan_timer(chan, L2CAP_DISC_TIMEOUT); - bh_unlock_sock(sk); - chan_put(chan); - return; - } + lock_sock(sk); if (chan->state == BT_CONNECTED || chan->state == BT_CONFIG) reason = ECONNREFUSED; @@ -267,7 +298,7 @@ static void l2cap_chan_timeout(unsigned long arg) l2cap_chan_close(chan, reason); - bh_unlock_sock(sk); + release_sock(sk); chan->ops->close(chan->data); chan_put(chan); @@ -287,12 +318,14 @@ struct l2cap_chan *l2cap_chan_create(struct sock *sk) list_add(&chan->global_l, &chan_list); write_unlock_bh(&chan_list_lock); - setup_timer(&chan->chan_timer, l2cap_chan_timeout, (unsigned long) chan); + INIT_DELAYED_WORK(&chan->chan_timer, l2cap_chan_timeout); chan->state = BT_OPEN; atomic_set(&chan->refcnt, 1); + BT_DBG("sk %p chan %p", sk, chan); + return chan; } @@ -305,12 +338,12 @@ void l2cap_chan_destroy(struct l2cap_chan *chan) chan_put(chan); } -static void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan) +static void l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan) { BT_DBG("conn %p, psm 0x%2.2x, dcid 0x%4.4x", conn, chan->psm, chan->dcid); - conn->disc_reason = 0x13; + conn->disc_reason = HCI_ERROR_REMOTE_USER_TERM; chan->conn = conn; @@ -337,9 +370,16 @@ static void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan) chan->omtu = L2CAP_DEFAULT_MTU; } + chan->local_id = L2CAP_BESTEFFORT_ID; + chan->local_stype = L2CAP_SERV_BESTEFFORT; + chan->local_msdu = L2CAP_DEFAULT_MAX_SDU_SIZE; + chan->local_sdu_itime = L2CAP_DEFAULT_SDU_ITIME; + chan->local_acc_lat = L2CAP_DEFAULT_ACC_LAT; + chan->local_flush_to = L2CAP_DEFAULT_FLUSH_TO; + chan_hold(chan); - list_add(&chan->list, &conn->chan_l); + list_add_rcu(&chan->list, &conn->chan_l); } /* Delete channel. @@ -356,9 +396,9 @@ static void l2cap_chan_del(struct l2cap_chan *chan, int err) if (conn) { /* Delete from channel list */ - write_lock_bh(&conn->chan_lock); - list_del(&chan->list); - write_unlock_bh(&conn->chan_lock); + list_del_rcu(&chan->list); + synchronize_rcu(); + chan_put(chan); chan->conn = NULL; @@ -508,7 +548,7 @@ static inline u8 l2cap_get_auth_type(struct l2cap_chan *chan) } /* Service level security */ -static inline int l2cap_check_security(struct l2cap_chan *chan) +int l2cap_chan_check_security(struct l2cap_chan *chan) { struct l2cap_conn *conn = chan->conn; __u8 auth_type; @@ -556,34 +596,58 @@ static void l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16 len, flags = ACL_START; bt_cb(skb)->force_active = BT_POWER_FORCE_ACTIVE_ON; + skb->priority = HCI_PRIO_MAX; + + hci_send_acl(conn->hchan, skb, flags); +} + +static void l2cap_do_send(struct l2cap_chan *chan, struct sk_buff *skb) +{ + struct hci_conn *hcon = chan->conn->hcon; + u16 flags; - hci_send_acl(conn->hcon, skb, flags); + BT_DBG("chan %p, skb %p len %d priority %u", chan, skb, skb->len, + skb->priority); + + if (!test_bit(FLAG_FLUSHABLE, &chan->flags) && + lmp_no_flush_capable(hcon->hdev)) + flags = ACL_START_NO_FLUSH; + else + flags = ACL_START; + + bt_cb(skb)->force_active = test_bit(FLAG_FORCE_ACTIVE, &chan->flags); + hci_send_acl(chan->conn->hchan, skb, flags); } -static inline void l2cap_send_sframe(struct l2cap_chan *chan, u16 control) +static inline void l2cap_send_sframe(struct l2cap_chan *chan, u32 control) { struct sk_buff *skb; struct l2cap_hdr *lh; struct l2cap_conn *conn = chan->conn; - int count, hlen = L2CAP_HDR_SIZE + 2; - u8 flags; + int count, hlen; if (chan->state != BT_CONNECTED) return; + if (test_bit(FLAG_EXT_CTRL, &chan->flags)) + hlen = L2CAP_EXT_HDR_SIZE; + else + hlen = L2CAP_ENH_HDR_SIZE; + if (chan->fcs == L2CAP_FCS_CRC16) - hlen += 2; + hlen += L2CAP_FCS_SIZE; - BT_DBG("chan %p, control 0x%2.2x", chan, control); + BT_DBG("chan %p, control 0x%8.8x", chan, control); count = min_t(unsigned int, conn->mtu, hlen); - control |= L2CAP_CTRL_FRAME_TYPE; + + control |= __set_sframe(chan); if (test_and_clear_bit(CONN_SEND_FBIT, &chan->conn_state)) - control |= L2CAP_CTRL_FINAL; + control |= __set_ctrl_final(chan); if (test_and_clear_bit(CONN_SEND_PBIT, &chan->conn_state)) - control |= L2CAP_CTRL_POLL; + control |= __set_ctrl_poll(chan); skb = bt_skb_alloc(count, GFP_ATOMIC); if (!skb) @@ -592,32 +656,27 @@ static inline void l2cap_send_sframe(struct l2cap_chan *chan, u16 control) lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE); lh->len = cpu_to_le16(hlen - L2CAP_HDR_SIZE); lh->cid = cpu_to_le16(chan->dcid); - put_unaligned_le16(control, skb_put(skb, 2)); + + __put_control(chan, control, skb_put(skb, __ctrl_size(chan))); if (chan->fcs == L2CAP_FCS_CRC16) { - u16 fcs = crc16(0, (u8 *)lh, count - 2); - put_unaligned_le16(fcs, skb_put(skb, 2)); + u16 fcs = crc16(0, (u8 *)lh, count - L2CAP_FCS_SIZE); + put_unaligned_le16(fcs, skb_put(skb, L2CAP_FCS_SIZE)); } - if (lmp_no_flush_capable(conn->hcon->hdev)) - flags = ACL_START_NO_FLUSH; - else - flags = ACL_START; - - bt_cb(skb)->force_active = chan->force_active; - - hci_send_acl(chan->conn->hcon, skb, flags); + skb->priority = HCI_PRIO_MAX; + l2cap_do_send(chan, skb); } -static inline void l2cap_send_rr_or_rnr(struct l2cap_chan *chan, u16 control) +static inline void l2cap_send_rr_or_rnr(struct l2cap_chan *chan, u32 control) { if (test_bit(CONN_LOCAL_BUSY, &chan->conn_state)) { - control |= L2CAP_SUPER_RCV_NOT_READY; + control |= __set_ctrl_super(chan, L2CAP_SUPER_RNR); set_bit(CONN_RNR_SENT, &chan->conn_state); } else - control |= L2CAP_SUPER_RCV_READY; + control |= __set_ctrl_super(chan, L2CAP_SUPER_RR); - control |= chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT; + control |= __set_reqseq(chan, chan->buffer_seq); l2cap_send_sframe(chan, control); } @@ -635,7 +694,7 @@ static void l2cap_do_start(struct l2cap_chan *chan) if (!(conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_DONE)) return; - if (l2cap_check_security(chan) && + if (l2cap_chan_check_security(chan) && __l2cap_no_conn_pending(chan)) { struct l2cap_conn_req req; req.scid = cpu_to_le16(chan->scid); @@ -654,7 +713,7 @@ static void l2cap_do_start(struct l2cap_chan *chan) conn->info_state |= L2CAP_INFO_FEAT_MASK_REQ_SENT; conn->info_ident = l2cap_get_ident(conn); - mod_timer(&conn->info_timer, jiffies + + schedule_delayed_work(&conn->info_work, msecs_to_jiffies(L2CAP_INFO_TIMEOUT)); l2cap_send_cmd(conn, conn->info_ident, @@ -706,13 +765,13 @@ static void l2cap_send_disconn_req(struct l2cap_conn *conn, struct l2cap_chan *c /* ---- L2CAP connections ---- */ static void l2cap_conn_start(struct l2cap_conn *conn) { - struct l2cap_chan *chan, *tmp; + struct l2cap_chan *chan; BT_DBG("conn %p", conn); - read_lock(&conn->chan_lock); + rcu_read_lock(); - list_for_each_entry_safe(chan, tmp, &conn->chan_l, list) { + list_for_each_entry_rcu(chan, &conn->chan_l, list) { struct sock *sk = chan->sk; bh_lock_sock(sk); @@ -725,7 +784,7 @@ static void l2cap_conn_start(struct l2cap_conn *conn) if (chan->state == BT_CONNECT) { struct l2cap_conn_req req; - if (!l2cap_check_security(chan) || + if (!l2cap_chan_check_security(chan) || !__l2cap_no_conn_pending(chan)) { bh_unlock_sock(sk); continue; @@ -736,9 +795,7 @@ static void l2cap_conn_start(struct l2cap_conn *conn) &chan->conf_state)) { /* l2cap_chan_close() calls list_del(chan) * so release the lock */ - read_unlock(&conn->chan_lock); l2cap_chan_close(chan, ECONNRESET); - read_lock(&conn->chan_lock); bh_unlock_sock(sk); continue; } @@ -758,7 +815,7 @@ static void l2cap_conn_start(struct l2cap_conn *conn) rsp.scid = cpu_to_le16(chan->dcid); rsp.dcid = cpu_to_le16(chan->scid); - if (l2cap_check_security(chan)) { + if (l2cap_chan_check_security(chan)) { if (bt_sk(sk)->defer_setup) { struct sock *parent = bt_sk(sk)->parent; rsp.result = cpu_to_le16(L2CAP_CR_PEND); @@ -794,7 +851,7 @@ static void l2cap_conn_start(struct l2cap_conn *conn) bh_unlock_sock(sk); } - read_unlock(&conn->chan_lock); + rcu_read_unlock(); } /* Find socket with cid and source bdaddr. @@ -845,7 +902,7 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn) parent = pchan->sk; - bh_lock_sock(parent); + lock_sock(parent); /* Check for backlog size */ if (sk_acceptq_is_full(parent)) { @@ -859,8 +916,6 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn) sk = chan->sk; - write_lock_bh(&conn->chan_lock); - hci_conn_hold(conn->hcon); bacpy(&bt_sk(sk)->src, conn->src); @@ -868,17 +923,15 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn) bt_accept_enqueue(parent, sk); - __l2cap_chan_add(conn, chan); + l2cap_chan_add(conn, chan); __set_chan_timer(chan, sk->sk_sndtimeo); l2cap_state_change(chan, BT_CONNECTED); parent->sk_data_ready(parent, 0); - write_unlock_bh(&conn->chan_lock); - clean: - bh_unlock_sock(parent); + release_sock(parent); } static void l2cap_chan_ready(struct sock *sk) @@ -910,9 +963,9 @@ static void l2cap_conn_ready(struct l2cap_conn *conn) if (conn->hcon->out && conn->hcon->type == LE_LINK) smp_conn_security(conn, conn->hcon->pending_sec_level); - read_lock(&conn->chan_lock); + rcu_read_lock(); - list_for_each_entry(chan, &conn->chan_l, list) { + list_for_each_entry_rcu(chan, &conn->chan_l, list) { struct sock *sk = chan->sk; bh_lock_sock(sk); @@ -932,7 +985,7 @@ static void l2cap_conn_ready(struct l2cap_conn *conn) bh_unlock_sock(sk); } - read_unlock(&conn->chan_lock); + rcu_read_unlock(); } /* Notify sockets that we cannot guaranty reliability anymore */ @@ -942,21 +995,22 @@ static void l2cap_conn_unreliable(struct l2cap_conn *conn, int err) BT_DBG("conn %p", conn); - read_lock(&conn->chan_lock); + rcu_read_lock(); - list_for_each_entry(chan, &conn->chan_l, list) { + list_for_each_entry_rcu(chan, &conn->chan_l, list) { struct sock *sk = chan->sk; - if (chan->force_reliable) + if (test_bit(FLAG_FORCE_RELIABLE, &chan->flags)) sk->sk_err = err; } - read_unlock(&conn->chan_lock); + rcu_read_unlock(); } -static void l2cap_info_timeout(unsigned long arg) +static void l2cap_info_timeout(struct work_struct *work) { - struct l2cap_conn *conn = (void *) arg; + struct l2cap_conn *conn = container_of(work, struct l2cap_conn, + info_work.work); conn->info_state |= L2CAP_INFO_FEAT_MASK_REQ_DONE; conn->info_ident = 0; @@ -980,14 +1034,16 @@ static void l2cap_conn_del(struct hci_conn *hcon, int err) /* Kill channels */ list_for_each_entry_safe(chan, l, &conn->chan_l, list) { sk = chan->sk; - bh_lock_sock(sk); + lock_sock(sk); l2cap_chan_del(chan, err); - bh_unlock_sock(sk); + release_sock(sk); chan->ops->close(chan->data); } + hci_chan_del(conn->hchan); + if (conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_SENT) - del_timer_sync(&conn->info_timer); + cancel_delayed_work_sync(&conn->info_work); if (test_and_clear_bit(HCI_CONN_LE_SMP_PEND, &hcon->pend)) { del_timer(&conn->security_timer); @@ -1008,18 +1064,26 @@ static void security_timeout(unsigned long arg) static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon, u8 status) { struct l2cap_conn *conn = hcon->l2cap_data; + struct hci_chan *hchan; if (conn || status) return conn; + hchan = hci_chan_create(hcon); + if (!hchan) + return NULL; + conn = kzalloc(sizeof(struct l2cap_conn), GFP_ATOMIC); - if (!conn) + if (!conn) { + hci_chan_del(hchan); return NULL; + } hcon->l2cap_data = conn; conn->hcon = hcon; + conn->hchan = hchan; - BT_DBG("hcon %p conn %p", hcon, conn); + BT_DBG("hcon %p conn %p hchan %p", hcon, conn, hchan); if (hcon->hdev->le_mtu && hcon->type == LE_LINK) conn->mtu = hcon->hdev->le_mtu; @@ -1032,7 +1096,6 @@ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon, u8 status) conn->feat_mask = 0; spin_lock_init(&conn->lock); - rwlock_init(&conn->chan_lock); INIT_LIST_HEAD(&conn->chan_l); @@ -1040,21 +1103,13 @@ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon, u8 status) setup_timer(&conn->security_timer, security_timeout, (unsigned long) conn); else - setup_timer(&conn->info_timer, l2cap_info_timeout, - (unsigned long) conn); + INIT_DELAYED_WORK(&conn->info_work, l2cap_info_timeout); - conn->disc_reason = 0x13; + conn->disc_reason = HCI_ERROR_REMOTE_USER_TERM; return conn; } -static inline void l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan) -{ - write_lock_bh(&conn->chan_lock); - __l2cap_chan_add(conn, chan); - write_unlock_bh(&conn->chan_lock); -} - /* ---- Socket interface ---- */ /* Find socket with psm and source bdaddr. @@ -1090,11 +1145,10 @@ static struct l2cap_chan *l2cap_global_chan_by_psm(int state, __le16 psm, bdaddr return c1; } -int l2cap_chan_connect(struct l2cap_chan *chan) +inline int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid, bdaddr_t *dst) { struct sock *sk = chan->sk; bdaddr_t *src = &bt_sk(sk)->src; - bdaddr_t *dst = &bt_sk(sk)->dst; struct l2cap_conn *conn; struct hci_conn *hcon; struct hci_dev *hdev; @@ -1108,7 +1162,62 @@ int l2cap_chan_connect(struct l2cap_chan *chan) if (!hdev) return -EHOSTUNREACH; - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); + + lock_sock(sk); + + /* PSM must be odd and lsb of upper byte must be 0 */ + if ((__le16_to_cpu(psm) & 0x0101) != 0x0001 && !cid && + chan->chan_type != L2CAP_CHAN_RAW) { + err = -EINVAL; + goto done; + } + + if (chan->chan_type == L2CAP_CHAN_CONN_ORIENTED && !(psm || cid)) { + err = -EINVAL; + goto done; + } + + switch (chan->mode) { + case L2CAP_MODE_BASIC: + break; + case L2CAP_MODE_ERTM: + case L2CAP_MODE_STREAMING: + if (!disable_ertm) + break; + /* fall through */ + default: + err = -ENOTSUPP; + goto done; + } + + switch (sk->sk_state) { + case BT_CONNECT: + case BT_CONNECT2: + case BT_CONFIG: + /* Already connecting */ + err = 0; + goto done; + + case BT_CONNECTED: + /* Already connected */ + err = -EISCONN; + goto done; + + case BT_OPEN: + case BT_BOUND: + /* Can connect */ + break; + + default: + err = -EBADFD; + goto done; + } + + /* Set destination address and psm */ + bacpy(&bt_sk(sk)->dst, src); + chan->psm = psm; + chan->dcid = cid; auth_type = l2cap_get_auth_type(chan); @@ -1142,7 +1251,7 @@ int l2cap_chan_connect(struct l2cap_chan *chan) if (hcon->state == BT_CONNECTED) { if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED) { __clear_chan_timer(chan); - if (l2cap_check_security(chan)) + if (l2cap_chan_check_security(chan)) l2cap_state_change(chan, BT_CONNECTED); } else l2cap_do_start(chan); @@ -1151,7 +1260,7 @@ int l2cap_chan_connect(struct l2cap_chan *chan) err = 0; done: - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; } @@ -1188,17 +1297,18 @@ int __l2cap_wait_ack(struct sock *sk) return err; } -static void l2cap_monitor_timeout(unsigned long arg) +static void l2cap_monitor_timeout(struct work_struct *work) { - struct l2cap_chan *chan = (void *) arg; + struct l2cap_chan *chan = container_of(work, struct l2cap_chan, + monitor_timer.work); struct sock *sk = chan->sk; BT_DBG("chan %p", chan); - bh_lock_sock(sk); + lock_sock(sk); if (chan->retry_count >= chan->remote_max_tx) { l2cap_send_disconn_req(chan->conn, chan, ECONNABORTED); - bh_unlock_sock(sk); + release_sock(sk); return; } @@ -1206,24 +1316,25 @@ static void l2cap_monitor_timeout(unsigned long arg) __set_monitor_timer(chan); l2cap_send_rr_or_rnr(chan, L2CAP_CTRL_POLL); - bh_unlock_sock(sk); + release_sock(sk); } -static void l2cap_retrans_timeout(unsigned long arg) +static void l2cap_retrans_timeout(struct work_struct *work) { - struct l2cap_chan *chan = (void *) arg; + struct l2cap_chan *chan = container_of(work, struct l2cap_chan, + retrans_timer.work); struct sock *sk = chan->sk; BT_DBG("chan %p", chan); - bh_lock_sock(sk); + lock_sock(sk); chan->retry_count = 1; __set_monitor_timer(chan); set_bit(CONN_WAIT_F, &chan->conn_state); l2cap_send_rr_or_rnr(chan, L2CAP_CTRL_POLL); - bh_unlock_sock(sk); + release_sock(sk); } static void l2cap_drop_acked_frames(struct l2cap_chan *chan) @@ -1245,60 +1356,46 @@ static void l2cap_drop_acked_frames(struct l2cap_chan *chan) __clear_retrans_timer(chan); } -static void l2cap_do_send(struct l2cap_chan *chan, struct sk_buff *skb) -{ - struct hci_conn *hcon = chan->conn->hcon; - u16 flags; - - BT_DBG("chan %p, skb %p len %d", chan, skb, skb->len); - - if (!chan->flushable && lmp_no_flush_capable(hcon->hdev)) - flags = ACL_START_NO_FLUSH; - else - flags = ACL_START; - - bt_cb(skb)->force_active = chan->force_active; - hci_send_acl(hcon, skb, flags); -} - static void l2cap_streaming_send(struct l2cap_chan *chan) { struct sk_buff *skb; - u16 control, fcs; + u32 control; + u16 fcs; while ((skb = skb_dequeue(&chan->tx_q))) { - control = get_unaligned_le16(skb->data + L2CAP_HDR_SIZE); - control |= chan->next_tx_seq << L2CAP_CTRL_TXSEQ_SHIFT; - put_unaligned_le16(control, skb->data + L2CAP_HDR_SIZE); + control = __get_control(chan, skb->data + L2CAP_HDR_SIZE); + control |= __set_txseq(chan, chan->next_tx_seq); + __put_control(chan, control, skb->data + L2CAP_HDR_SIZE); if (chan->fcs == L2CAP_FCS_CRC16) { - fcs = crc16(0, (u8 *)skb->data, skb->len - 2); - put_unaligned_le16(fcs, skb->data + skb->len - 2); + fcs = crc16(0, (u8 *)skb->data, + skb->len - L2CAP_FCS_SIZE); + put_unaligned_le16(fcs, + skb->data + skb->len - L2CAP_FCS_SIZE); } l2cap_do_send(chan, skb); - chan->next_tx_seq = (chan->next_tx_seq + 1) % 64; + chan->next_tx_seq = __next_seq(chan, chan->next_tx_seq); } } -static void l2cap_retransmit_one_frame(struct l2cap_chan *chan, u8 tx_seq) +static void l2cap_retransmit_one_frame(struct l2cap_chan *chan, u16 tx_seq) { struct sk_buff *skb, *tx_skb; - u16 control, fcs; + u16 fcs; + u32 control; skb = skb_peek(&chan->tx_q); if (!skb) return; - do { - if (bt_cb(skb)->tx_seq == tx_seq) - break; - + while (bt_cb(skb)->tx_seq != tx_seq) { if (skb_queue_is_last(&chan->tx_q, skb)) return; - } while ((skb = skb_queue_next(&chan->tx_q, skb))); + skb = skb_queue_next(&chan->tx_q, skb); + } if (chan->remote_max_tx && bt_cb(skb)->retries == chan->remote_max_tx) { @@ -1308,20 +1405,23 @@ static void l2cap_retransmit_one_frame(struct l2cap_chan *chan, u8 tx_seq) tx_skb = skb_clone(skb, GFP_ATOMIC); bt_cb(skb)->retries++; - control = get_unaligned_le16(tx_skb->data + L2CAP_HDR_SIZE); - control &= L2CAP_CTRL_SAR; + + control = __get_control(chan, tx_skb->data + L2CAP_HDR_SIZE); + control &= __get_sar_mask(chan); if (test_and_clear_bit(CONN_SEND_FBIT, &chan->conn_state)) - control |= L2CAP_CTRL_FINAL; + control |= __set_ctrl_final(chan); - control |= (chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT) - | (tx_seq << L2CAP_CTRL_TXSEQ_SHIFT); + control |= __set_reqseq(chan, chan->buffer_seq); + control |= __set_txseq(chan, tx_seq); - put_unaligned_le16(control, tx_skb->data + L2CAP_HDR_SIZE); + __put_control(chan, control, tx_skb->data + L2CAP_HDR_SIZE); if (chan->fcs == L2CAP_FCS_CRC16) { - fcs = crc16(0, (u8 *)tx_skb->data, tx_skb->len - 2); - put_unaligned_le16(fcs, tx_skb->data + tx_skb->len - 2); + fcs = crc16(0, (u8 *)tx_skb->data, + tx_skb->len - L2CAP_FCS_SIZE); + put_unaligned_le16(fcs, + tx_skb->data + tx_skb->len - L2CAP_FCS_SIZE); } l2cap_do_send(chan, tx_skb); @@ -1330,7 +1430,8 @@ static void l2cap_retransmit_one_frame(struct l2cap_chan *chan, u8 tx_seq) static int l2cap_ertm_send(struct l2cap_chan *chan) { struct sk_buff *skb, *tx_skb; - u16 control, fcs; + u16 fcs; + u32 control; int nsent = 0; if (chan->state != BT_CONNECTED) @@ -1348,20 +1449,22 @@ static int l2cap_ertm_send(struct l2cap_chan *chan) bt_cb(skb)->retries++; - control = get_unaligned_le16(tx_skb->data + L2CAP_HDR_SIZE); - control &= L2CAP_CTRL_SAR; + control = __get_control(chan, tx_skb->data + L2CAP_HDR_SIZE); + control &= __get_sar_mask(chan); if (test_and_clear_bit(CONN_SEND_FBIT, &chan->conn_state)) - control |= L2CAP_CTRL_FINAL; + control |= __set_ctrl_final(chan); - control |= (chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT) - | (chan->next_tx_seq << L2CAP_CTRL_TXSEQ_SHIFT); - put_unaligned_le16(control, tx_skb->data + L2CAP_HDR_SIZE); + control |= __set_reqseq(chan, chan->buffer_seq); + control |= __set_txseq(chan, chan->next_tx_seq); + __put_control(chan, control, tx_skb->data + L2CAP_HDR_SIZE); if (chan->fcs == L2CAP_FCS_CRC16) { - fcs = crc16(0, (u8 *)skb->data, tx_skb->len - 2); - put_unaligned_le16(fcs, skb->data + tx_skb->len - 2); + fcs = crc16(0, (u8 *)skb->data, + tx_skb->len - L2CAP_FCS_SIZE); + put_unaligned_le16(fcs, skb->data + + tx_skb->len - L2CAP_FCS_SIZE); } l2cap_do_send(chan, tx_skb); @@ -1369,7 +1472,8 @@ static int l2cap_ertm_send(struct l2cap_chan *chan) __set_retrans_timer(chan); bt_cb(skb)->tx_seq = chan->next_tx_seq; - chan->next_tx_seq = (chan->next_tx_seq + 1) % 64; + + chan->next_tx_seq = __next_seq(chan, chan->next_tx_seq); if (bt_cb(skb)->retries == 1) chan->unacked_frames++; @@ -1401,12 +1505,12 @@ static int l2cap_retransmit_frames(struct l2cap_chan *chan) static void l2cap_send_ack(struct l2cap_chan *chan) { - u16 control = 0; + u32 control = 0; - control |= chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT; + control |= __set_reqseq(chan, chan->buffer_seq); if (test_bit(CONN_LOCAL_BUSY, &chan->conn_state)) { - control |= L2CAP_SUPER_RCV_NOT_READY; + control |= __set_ctrl_super(chan, L2CAP_SUPER_RNR); set_bit(CONN_RNR_SENT, &chan->conn_state); l2cap_send_sframe(chan, control); return; @@ -1415,20 +1519,20 @@ static void l2cap_send_ack(struct l2cap_chan *chan) if (l2cap_ertm_send(chan) > 0) return; - control |= L2CAP_SUPER_RCV_READY; + control |= __set_ctrl_super(chan, L2CAP_SUPER_RR); l2cap_send_sframe(chan, control); } static void l2cap_send_srejtail(struct l2cap_chan *chan) { struct srej_list *tail; - u16 control; + u32 control; - control = L2CAP_SUPER_SELECT_REJECT; - control |= L2CAP_CTRL_FINAL; + control = __set_ctrl_super(chan, L2CAP_SUPER_SREJ); + control |= __set_ctrl_final(chan); tail = list_entry((&chan->srej_l)->prev, struct srej_list, list); - control |= tail->tx_seq << L2CAP_CTRL_REQSEQ_SHIFT; + control |= __set_reqseq(chan, tail->tx_seq); l2cap_send_sframe(chan, control); } @@ -1456,6 +1560,8 @@ static inline int l2cap_skbuff_fromiovec(struct sock *sk, struct msghdr *msg, in if (memcpy_fromiovec(skb_put(*frag, count), msg->msg_iov, count)) return -EFAULT; + (*frag)->priority = skb->priority; + sent += count; len -= count; @@ -1465,15 +1571,17 @@ static inline int l2cap_skbuff_fromiovec(struct sock *sk, struct msghdr *msg, in return sent; } -static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len) +static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan, + struct msghdr *msg, size_t len, + u32 priority) { struct sock *sk = chan->sk; struct l2cap_conn *conn = chan->conn; struct sk_buff *skb; - int err, count, hlen = L2CAP_HDR_SIZE + 2; + int err, count, hlen = L2CAP_HDR_SIZE + L2CAP_PSMLEN_SIZE; struct l2cap_hdr *lh; - BT_DBG("sk %p len %d", sk, (int)len); + BT_DBG("sk %p len %d priority %u", sk, (int)len, priority); count = min_t(unsigned int, (conn->mtu - hlen), len); skb = bt_skb_send_alloc(sk, count + hlen, @@ -1481,6 +1589,8 @@ static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan, struct if (!skb) return ERR_PTR(err); + skb->priority = priority; + /* Create L2CAP header */ lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE); lh->cid = cpu_to_le16(chan->dcid); @@ -1495,7 +1605,9 @@ static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan, struct return skb; } -static struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len) +static struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan, + struct msghdr *msg, size_t len, + u32 priority) { struct sock *sk = chan->sk; struct l2cap_conn *conn = chan->conn; @@ -1511,6 +1623,8 @@ static struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan, struct ms if (!skb) return ERR_PTR(err); + skb->priority = priority; + /* Create L2CAP header */ lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE); lh->cid = cpu_to_le16(chan->dcid); @@ -1526,12 +1640,12 @@ static struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan, struct ms static struct sk_buff *l2cap_create_iframe_pdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len, - u16 control, u16 sdulen) + u32 control, u16 sdulen) { struct sock *sk = chan->sk; struct l2cap_conn *conn = chan->conn; struct sk_buff *skb; - int err, count, hlen = L2CAP_HDR_SIZE + 2; + int err, count, hlen; struct l2cap_hdr *lh; BT_DBG("sk %p len %d", sk, (int)len); @@ -1539,11 +1653,16 @@ static struct sk_buff *l2cap_create_iframe_pdu(struct l2cap_chan *chan, if (!conn) return ERR_PTR(-ENOTCONN); + if (test_bit(FLAG_EXT_CTRL, &chan->flags)) + hlen = L2CAP_EXT_HDR_SIZE; + else + hlen = L2CAP_ENH_HDR_SIZE; + if (sdulen) - hlen += 2; + hlen += L2CAP_SDULEN_SIZE; if (chan->fcs == L2CAP_FCS_CRC16) - hlen += 2; + hlen += L2CAP_FCS_SIZE; count = min_t(unsigned int, (conn->mtu - hlen), len); skb = bt_skb_send_alloc(sk, count + hlen, @@ -1555,9 +1674,11 @@ static struct sk_buff *l2cap_create_iframe_pdu(struct l2cap_chan *chan, lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE); lh->cid = cpu_to_le16(chan->dcid); lh->len = cpu_to_le16(len + (hlen - L2CAP_HDR_SIZE)); - put_unaligned_le16(control, skb_put(skb, 2)); + + __put_control(chan, control, skb_put(skb, __ctrl_size(chan))); + if (sdulen) - put_unaligned_le16(sdulen, skb_put(skb, 2)); + put_unaligned_le16(sdulen, skb_put(skb, L2CAP_SDULEN_SIZE)); err = l2cap_skbuff_fromiovec(sk, msg, len, count, skb); if (unlikely(err < 0)) { @@ -1566,7 +1687,7 @@ static struct sk_buff *l2cap_create_iframe_pdu(struct l2cap_chan *chan, } if (chan->fcs == L2CAP_FCS_CRC16) - put_unaligned_le16(0, skb_put(skb, 2)); + put_unaligned_le16(0, skb_put(skb, L2CAP_FCS_SIZE)); bt_cb(skb)->retries = 0; return skb; @@ -1576,11 +1697,11 @@ static int l2cap_sar_segment_sdu(struct l2cap_chan *chan, struct msghdr *msg, si { struct sk_buff *skb; struct sk_buff_head sar_queue; - u16 control; + u32 control; size_t size = 0; skb_queue_head_init(&sar_queue); - control = L2CAP_SDU_START; + control = __set_ctrl_sar(chan, L2CAP_SAR_START); skb = l2cap_create_iframe_pdu(chan, msg, chan->remote_mps, control, len); if (IS_ERR(skb)) return PTR_ERR(skb); @@ -1593,10 +1714,10 @@ static int l2cap_sar_segment_sdu(struct l2cap_chan *chan, struct msghdr *msg, si size_t buflen; if (len > chan->remote_mps) { - control = L2CAP_SDU_CONTINUE; + control = __set_ctrl_sar(chan, L2CAP_SAR_CONTINUE); buflen = chan->remote_mps; } else { - control = L2CAP_SDU_END; + control = __set_ctrl_sar(chan, L2CAP_SAR_END); buflen = len; } @@ -1617,15 +1738,16 @@ static int l2cap_sar_segment_sdu(struct l2cap_chan *chan, struct msghdr *msg, si return size; } -int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len) +int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len, + u32 priority) { struct sk_buff *skb; - u16 control; + u32 control; int err; /* Connectionless channel */ if (chan->chan_type == L2CAP_CHAN_CONN_LESS) { - skb = l2cap_create_connless_pdu(chan, msg, len); + skb = l2cap_create_connless_pdu(chan, msg, len, priority); if (IS_ERR(skb)) return PTR_ERR(skb); @@ -1640,7 +1762,7 @@ int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len) return -EMSGSIZE; /* Create a basic PDU */ - skb = l2cap_create_basic_pdu(chan, msg, len); + skb = l2cap_create_basic_pdu(chan, msg, len, priority); if (IS_ERR(skb)) return PTR_ERR(skb); @@ -1652,7 +1774,7 @@ int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len) case L2CAP_MODE_STREAMING: /* Entire SDU fits into one PDU */ if (len <= chan->remote_mps) { - control = L2CAP_SDU_UNSEGMENTED; + control = __set_ctrl_sar(chan, L2CAP_SAR_UNSEGMENTED); skb = l2cap_create_iframe_pdu(chan, msg, len, control, 0); if (IS_ERR(skb)) @@ -1704,8 +1826,9 @@ static void l2cap_raw_recv(struct l2cap_conn *conn, struct sk_buff *skb) BT_DBG("conn %p", conn); - read_lock(&conn->chan_lock); - list_for_each_entry(chan, &conn->chan_l, list) { + rcu_read_lock(); + + list_for_each_entry_rcu(chan, &conn->chan_l, list) { struct sock *sk = chan->sk; if (chan->chan_type != L2CAP_CHAN_RAW) continue; @@ -1720,7 +1843,8 @@ static void l2cap_raw_recv(struct l2cap_conn *conn, struct sk_buff *skb) if (chan->ops->recv(chan->data, nskb)) kfree_skb(nskb); } - read_unlock(&conn->chan_lock); + + rcu_read_unlock(); } /* ---- L2CAP signalling commands ---- */ @@ -1850,37 +1974,62 @@ static void l2cap_add_conf_opt(void **ptr, u8 type, u8 len, unsigned long val) *ptr += L2CAP_CONF_OPT_SIZE + len; } -static void l2cap_ack_timeout(unsigned long arg) +static void l2cap_add_opt_efs(void **ptr, struct l2cap_chan *chan) { - struct l2cap_chan *chan = (void *) arg; + struct l2cap_conf_efs efs; + + switch (chan->mode) { + case L2CAP_MODE_ERTM: + efs.id = chan->local_id; + efs.stype = chan->local_stype; + efs.msdu = cpu_to_le16(chan->local_msdu); + efs.sdu_itime = cpu_to_le32(chan->local_sdu_itime); + efs.acc_lat = cpu_to_le32(L2CAP_DEFAULT_ACC_LAT); + efs.flush_to = cpu_to_le32(L2CAP_DEFAULT_FLUSH_TO); + break; - bh_lock_sock(chan->sk); + case L2CAP_MODE_STREAMING: + efs.id = 1; + efs.stype = L2CAP_SERV_BESTEFFORT; + efs.msdu = cpu_to_le16(chan->local_msdu); + efs.sdu_itime = cpu_to_le32(chan->local_sdu_itime); + efs.acc_lat = 0; + efs.flush_to = 0; + break; + + default: + return; + } + + l2cap_add_conf_opt(ptr, L2CAP_CONF_EFS, sizeof(efs), + (unsigned long) &efs); +} + +static void l2cap_ack_timeout(struct work_struct *work) +{ + struct l2cap_chan *chan = container_of(work, struct l2cap_chan, + ack_timer.work); + + lock_sock(chan->sk); l2cap_send_ack(chan); - bh_unlock_sock(chan->sk); + release_sock(chan->sk); } static inline void l2cap_ertm_init(struct l2cap_chan *chan) { - struct sock *sk = chan->sk; - chan->expected_ack_seq = 0; chan->unacked_frames = 0; chan->buffer_seq = 0; chan->num_acked = 0; chan->frames_sent = 0; - setup_timer(&chan->retrans_timer, l2cap_retrans_timeout, - (unsigned long) chan); - setup_timer(&chan->monitor_timer, l2cap_monitor_timeout, - (unsigned long) chan); - setup_timer(&chan->ack_timer, l2cap_ack_timeout, (unsigned long) chan); + INIT_DELAYED_WORK(&chan->retrans_timer, l2cap_retrans_timeout); + INIT_DELAYED_WORK(&chan->monitor_timer, l2cap_monitor_timeout); + INIT_DELAYED_WORK(&chan->ack_timer, l2cap_ack_timeout); skb_queue_head_init(&chan->srej_q); INIT_LIST_HEAD(&chan->srej_l); - - - sk->sk_backlog_rcv = l2cap_ertm_data_rcv; } static inline __u8 l2cap_select_mode(__u8 mode, __u16 remote_feat_mask) @@ -1896,11 +2045,36 @@ static inline __u8 l2cap_select_mode(__u8 mode, __u16 remote_feat_mask) } } +static inline bool __l2cap_ews_supported(struct l2cap_chan *chan) +{ + return enable_hs && chan->conn->feat_mask & L2CAP_FEAT_EXT_WINDOW; +} + +static inline bool __l2cap_efs_supported(struct l2cap_chan *chan) +{ + return enable_hs && chan->conn->feat_mask & L2CAP_FEAT_EXT_FLOW; +} + +static inline void l2cap_txwin_setup(struct l2cap_chan *chan) +{ + if (chan->tx_win > L2CAP_DEFAULT_TX_WINDOW && + __l2cap_ews_supported(chan)) { + /* use extended control field */ + set_bit(FLAG_EXT_CTRL, &chan->flags); + chan->tx_win_max = L2CAP_DEFAULT_EXT_WINDOW; + } else { + chan->tx_win = min_t(u16, chan->tx_win, + L2CAP_DEFAULT_TX_WINDOW); + chan->tx_win_max = L2CAP_DEFAULT_TX_WINDOW; + } +} + static int l2cap_build_conf_req(struct l2cap_chan *chan, void *data) { struct l2cap_conf_req *req = data; struct l2cap_conf_rfc rfc = { .mode = chan->mode }; void *ptr = req->data; + u16 size; BT_DBG("chan %p", chan); @@ -1913,6 +2087,9 @@ static int l2cap_build_conf_req(struct l2cap_chan *chan, void *data) if (test_bit(CONF_STATE2_DEVICE, &chan->conf_state)) break; + if (__l2cap_efs_supported(chan)) + set_bit(FLAG_EFS_ENABLE, &chan->flags); + /* fall through */ default: chan->mode = l2cap_select_mode(rfc.mode, chan->conn->feat_mask); @@ -1942,17 +2119,27 @@ done: case L2CAP_MODE_ERTM: rfc.mode = L2CAP_MODE_ERTM; - rfc.txwin_size = chan->tx_win; rfc.max_transmit = chan->max_tx; rfc.retrans_timeout = 0; rfc.monitor_timeout = 0; - rfc.max_pdu_size = cpu_to_le16(L2CAP_DEFAULT_MAX_PDU_SIZE); - if (L2CAP_DEFAULT_MAX_PDU_SIZE > chan->conn->mtu - 10) - rfc.max_pdu_size = cpu_to_le16(chan->conn->mtu - 10); + + size = min_t(u16, L2CAP_DEFAULT_MAX_PDU_SIZE, chan->conn->mtu - + L2CAP_EXT_HDR_SIZE - + L2CAP_SDULEN_SIZE - + L2CAP_FCS_SIZE); + rfc.max_pdu_size = cpu_to_le16(size); + + l2cap_txwin_setup(chan); + + rfc.txwin_size = min_t(u16, chan->tx_win, + L2CAP_DEFAULT_TX_WINDOW); l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc), (unsigned long) &rfc); + if (test_bit(FLAG_EFS_ENABLE, &chan->flags)) + l2cap_add_opt_efs(&ptr, chan); + if (!(chan->conn->feat_mask & L2CAP_FEAT_FCS)) break; @@ -1961,6 +2148,10 @@ done: chan->fcs = L2CAP_FCS_NONE; l2cap_add_conf_opt(&ptr, L2CAP_CONF_FCS, 1, chan->fcs); } + + if (test_bit(FLAG_EXT_CTRL, &chan->flags)) + l2cap_add_conf_opt(&ptr, L2CAP_CONF_EWS, 2, + chan->tx_win); break; case L2CAP_MODE_STREAMING: @@ -1969,13 +2160,19 @@ done: rfc.max_transmit = 0; rfc.retrans_timeout = 0; rfc.monitor_timeout = 0; - rfc.max_pdu_size = cpu_to_le16(L2CAP_DEFAULT_MAX_PDU_SIZE); - if (L2CAP_DEFAULT_MAX_PDU_SIZE > chan->conn->mtu - 10) - rfc.max_pdu_size = cpu_to_le16(chan->conn->mtu - 10); + + size = min_t(u16, L2CAP_DEFAULT_MAX_PDU_SIZE, chan->conn->mtu - + L2CAP_EXT_HDR_SIZE - + L2CAP_SDULEN_SIZE - + L2CAP_FCS_SIZE); + rfc.max_pdu_size = cpu_to_le16(size); l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc), (unsigned long) &rfc); + if (test_bit(FLAG_EFS_ENABLE, &chan->flags)) + l2cap_add_opt_efs(&ptr, chan); + if (!(chan->conn->feat_mask & L2CAP_FEAT_FCS)) break; @@ -2002,8 +2199,11 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data) int type, hint, olen; unsigned long val; struct l2cap_conf_rfc rfc = { .mode = L2CAP_MODE_BASIC }; + struct l2cap_conf_efs efs; + u8 remote_efs = 0; u16 mtu = L2CAP_DEFAULT_MTU; u16 result = L2CAP_CONF_SUCCESS; + u16 size; BT_DBG("chan %p", chan); @@ -2033,7 +2233,22 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data) case L2CAP_CONF_FCS: if (val == L2CAP_FCS_NONE) set_bit(CONF_NO_FCS_RECV, &chan->conf_state); + break; + + case L2CAP_CONF_EFS: + remote_efs = 1; + if (olen == sizeof(efs)) + memcpy(&efs, (void *) val, olen); + break; + + case L2CAP_CONF_EWS: + if (!enable_hs) + return -ECONNREFUSED; + set_bit(FLAG_EXT_CTRL, &chan->flags); + set_bit(CONF_EWS_RECV, &chan->conf_state); + chan->tx_win_max = L2CAP_DEFAULT_EXT_WINDOW; + chan->remote_tx_win = val; break; default: @@ -2058,6 +2273,13 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data) break; } + if (remote_efs) { + if (__l2cap_efs_supported(chan)) + set_bit(FLAG_EFS_ENABLE, &chan->flags); + else + return -ECONNREFUSED; + } + if (chan->mode != rfc.mode) return -ECONNREFUSED; @@ -2076,7 +2298,6 @@ done: sizeof(rfc), (unsigned long) &rfc); } - if (result == L2CAP_CONF_SUCCESS) { /* Configure output options and let the other side know * which ones we don't like. */ @@ -2089,6 +2310,26 @@ done: } l2cap_add_conf_opt(&ptr, L2CAP_CONF_MTU, 2, chan->omtu); + if (remote_efs) { + if (chan->local_stype != L2CAP_SERV_NOTRAFIC && + efs.stype != L2CAP_SERV_NOTRAFIC && + efs.stype != chan->local_stype) { + + result = L2CAP_CONF_UNACCEPT; + + if (chan->num_conf_req >= 1) + return -ECONNREFUSED; + + l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS, + sizeof(efs), + (unsigned long) &efs); + } else { + /* Send PENDING Conf Rsp */ + result = L2CAP_CONF_PENDING; + set_bit(CONF_LOC_CONF_PEND, &chan->conf_state); + } + } + switch (rfc.mode) { case L2CAP_MODE_BASIC: chan->fcs = L2CAP_FCS_NONE; @@ -2096,13 +2337,20 @@ done: break; case L2CAP_MODE_ERTM: - chan->remote_tx_win = rfc.txwin_size; - chan->remote_max_tx = rfc.max_transmit; + if (!test_bit(CONF_EWS_RECV, &chan->conf_state)) + chan->remote_tx_win = rfc.txwin_size; + else + rfc.txwin_size = L2CAP_DEFAULT_TX_WINDOW; - if (le16_to_cpu(rfc.max_pdu_size) > chan->conn->mtu - 10) - rfc.max_pdu_size = cpu_to_le16(chan->conn->mtu - 10); + chan->remote_max_tx = rfc.max_transmit; - chan->remote_mps = le16_to_cpu(rfc.max_pdu_size); + size = min_t(u16, le16_to_cpu(rfc.max_pdu_size), + chan->conn->mtu - + L2CAP_EXT_HDR_SIZE - + L2CAP_SDULEN_SIZE - + L2CAP_FCS_SIZE); + rfc.max_pdu_size = cpu_to_le16(size); + chan->remote_mps = size; rfc.retrans_timeout = le16_to_cpu(L2CAP_DEFAULT_RETRANS_TO); @@ -2114,13 +2362,29 @@ done: l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc), (unsigned long) &rfc); + if (test_bit(FLAG_EFS_ENABLE, &chan->flags)) { + chan->remote_id = efs.id; + chan->remote_stype = efs.stype; + chan->remote_msdu = le16_to_cpu(efs.msdu); + chan->remote_flush_to = + le32_to_cpu(efs.flush_to); + chan->remote_acc_lat = + le32_to_cpu(efs.acc_lat); + chan->remote_sdu_itime = + le32_to_cpu(efs.sdu_itime); + l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS, + sizeof(efs), (unsigned long) &efs); + } break; case L2CAP_MODE_STREAMING: - if (le16_to_cpu(rfc.max_pdu_size) > chan->conn->mtu - 10) - rfc.max_pdu_size = cpu_to_le16(chan->conn->mtu - 10); - - chan->remote_mps = le16_to_cpu(rfc.max_pdu_size); + size = min_t(u16, le16_to_cpu(rfc.max_pdu_size), + chan->conn->mtu - + L2CAP_EXT_HDR_SIZE - + L2CAP_SDULEN_SIZE - + L2CAP_FCS_SIZE); + rfc.max_pdu_size = cpu_to_le16(size); + chan->remote_mps = size; set_bit(CONF_MODE_DONE, &chan->conf_state); @@ -2153,6 +2417,7 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi int type, olen; unsigned long val; struct l2cap_conf_rfc rfc = { .mode = L2CAP_MODE_BASIC }; + struct l2cap_conf_efs efs; BT_DBG("chan %p, rsp %p, len %d, req %p", chan, rsp, len, data); @@ -2188,6 +2453,26 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc), (unsigned long) &rfc); break; + + case L2CAP_CONF_EWS: + chan->tx_win = min_t(u16, val, + L2CAP_DEFAULT_EXT_WINDOW); + l2cap_add_conf_opt(&ptr, L2CAP_CONF_EWS, 2, + chan->tx_win); + break; + + case L2CAP_CONF_EFS: + if (olen == sizeof(efs)) + memcpy(&efs, (void *)val, olen); + + if (chan->local_stype != L2CAP_SERV_NOTRAFIC && + efs.stype != L2CAP_SERV_NOTRAFIC && + efs.stype != chan->local_stype) + return -ECONNREFUSED; + + l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS, + sizeof(efs), (unsigned long) &efs); + break; } } @@ -2196,13 +2481,23 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi chan->mode = rfc.mode; - if (*result == L2CAP_CONF_SUCCESS) { + if (*result == L2CAP_CONF_SUCCESS || *result == L2CAP_CONF_PENDING) { switch (rfc.mode) { case L2CAP_MODE_ERTM: chan->retrans_timeout = le16_to_cpu(rfc.retrans_timeout); chan->monitor_timeout = le16_to_cpu(rfc.monitor_timeout); chan->mps = le16_to_cpu(rfc.max_pdu_size); + + if (test_bit(FLAG_EFS_ENABLE, &chan->flags)) { + chan->local_msdu = le16_to_cpu(efs.msdu); + chan->local_sdu_itime = + le32_to_cpu(efs.sdu_itime); + chan->local_acc_lat = le32_to_cpu(efs.acc_lat); + chan->local_flush_to = + le32_to_cpu(efs.flush_to); + } break; + case L2CAP_MODE_STREAMING: chan->mps = le16_to_cpu(rfc.max_pdu_size); } @@ -2302,7 +2597,7 @@ static inline int l2cap_command_rej(struct l2cap_conn *conn, struct l2cap_cmd_hd if ((conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_SENT) && cmd->ident == conn->info_ident) { - del_timer(&conn->info_timer); + cancel_delayed_work_sync(&conn->info_work); conn->info_state |= L2CAP_INFO_FEAT_MASK_REQ_DONE; conn->info_ident = 0; @@ -2335,12 +2630,12 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd parent = pchan->sk; - bh_lock_sock(parent); + lock_sock(parent); /* Check if the ACL is secure enough (if not SDP) */ if (psm != cpu_to_le16(0x0001) && !hci_conn_check_link_mode(conn->hcon)) { - conn->disc_reason = 0x05; + conn->disc_reason = HCI_ERROR_AUTH_FAILURE; result = L2CAP_CR_SEC_BLOCK; goto response; } @@ -2359,11 +2654,8 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd sk = chan->sk; - write_lock_bh(&conn->chan_lock); - /* Check if we already have channel with that dcid */ if (__l2cap_get_chan_by_dcid(conn, scid)) { - write_unlock_bh(&conn->chan_lock); sock_set_flag(sk, SOCK_ZAPPED); chan->ops->close(chan->data); goto response; @@ -2378,7 +2670,7 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd bt_accept_enqueue(parent, sk); - __l2cap_chan_add(conn, chan); + l2cap_chan_add(conn, chan); dcid = chan->scid; @@ -2387,7 +2679,7 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd chan->ident = cmd->ident; if (conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_DONE) { - if (l2cap_check_security(chan)) { + if (l2cap_chan_check_security(chan)) { if (bt_sk(sk)->defer_setup) { l2cap_state_change(chan, BT_CONNECT2); result = L2CAP_CR_PEND; @@ -2409,10 +2701,8 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd status = L2CAP_CS_NO_INFO; } - write_unlock_bh(&conn->chan_lock); - response: - bh_unlock_sock(parent); + release_sock(parent); sendresp: rsp.scid = cpu_to_le16(scid); @@ -2428,7 +2718,7 @@ sendresp: conn->info_state |= L2CAP_INFO_FEAT_MASK_REQ_SENT; conn->info_ident = l2cap_get_ident(conn); - mod_timer(&conn->info_timer, jiffies + + schedule_delayed_work(&conn->info_work, msecs_to_jiffies(L2CAP_INFO_TIMEOUT)); l2cap_send_cmd(conn, conn->info_ident, @@ -2494,19 +2784,11 @@ static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hd break; default: - /* don't delete l2cap channel if sk is owned by user */ - if (sock_owned_by_user(sk)) { - l2cap_state_change(chan, BT_DISCONN); - __clear_chan_timer(chan); - __set_chan_timer(chan, L2CAP_DISC_TIMEOUT); - break; - } - l2cap_chan_del(chan, ECONNREFUSED); break; } - bh_unlock_sock(sk); + release_sock(sk); return 0; } @@ -2612,8 +2894,23 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr chan->num_conf_req++; } + /* Got Conf Rsp PENDING from remote side and asume we sent + Conf Rsp PENDING in the code above */ + if (test_bit(CONF_REM_CONF_PEND, &chan->conf_state) && + test_bit(CONF_LOC_CONF_PEND, &chan->conf_state)) { + + /* check compatibility */ + + clear_bit(CONF_LOC_CONF_PEND, &chan->conf_state); + set_bit(CONF_OUTPUT_DONE, &chan->conf_state); + + l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP, + l2cap_build_conf_rsp(chan, rsp, + L2CAP_CONF_SUCCESS, 0x0000), rsp); + } + unlock: - bh_unlock_sock(sk); + release_sock(sk); return 0; } @@ -2641,8 +2938,33 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr switch (result) { case L2CAP_CONF_SUCCESS: l2cap_conf_rfc_get(chan, rsp->data, len); + clear_bit(CONF_REM_CONF_PEND, &chan->conf_state); break; + case L2CAP_CONF_PENDING: + set_bit(CONF_REM_CONF_PEND, &chan->conf_state); + + if (test_bit(CONF_LOC_CONF_PEND, &chan->conf_state)) { + char buf[64]; + + len = l2cap_parse_conf_rsp(chan, rsp->data, len, + buf, &result); + if (len < 0) { + l2cap_send_disconn_req(conn, chan, ECONNRESET); + goto done; + } + + /* check compatibility */ + + clear_bit(CONF_LOC_CONF_PEND, &chan->conf_state); + set_bit(CONF_OUTPUT_DONE, &chan->conf_state); + + l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP, + l2cap_build_conf_rsp(chan, buf, + L2CAP_CONF_SUCCESS, 0x0000), buf); + } + goto done; + case L2CAP_CONF_UNACCEPT: if (chan->num_conf_rsp <= L2CAP_CONF_MAX_CONF_RSP) { char req[64]; @@ -2695,7 +3017,7 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr } done: - bh_unlock_sock(sk); + release_sock(sk); return 0; } @@ -2724,17 +3046,8 @@ static inline int l2cap_disconnect_req(struct l2cap_conn *conn, struct l2cap_cmd sk->sk_shutdown = SHUTDOWN_MASK; - /* don't delete l2cap channel if sk is owned by user */ - if (sock_owned_by_user(sk)) { - l2cap_state_change(chan, BT_DISCONN); - __clear_chan_timer(chan); - __set_chan_timer(chan, L2CAP_DISC_TIMEOUT); - bh_unlock_sock(sk); - return 0; - } - l2cap_chan_del(chan, ECONNRESET); - bh_unlock_sock(sk); + release_sock(sk); chan->ops->close(chan->data); return 0; @@ -2758,17 +3071,8 @@ static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd sk = chan->sk; - /* don't delete l2cap channel if sk is owned by user */ - if (sock_owned_by_user(sk)) { - l2cap_state_change(chan,BT_DISCONN); - __clear_chan_timer(chan); - __set_chan_timer(chan, L2CAP_DISC_TIMEOUT); - bh_unlock_sock(sk); - return 0; - } - l2cap_chan_del(chan, 0); - bh_unlock_sock(sk); + release_sock(sk); chan->ops->close(chan->data); return 0; @@ -2792,15 +3096,25 @@ static inline int l2cap_information_req(struct l2cap_conn *conn, struct l2cap_cm if (!disable_ertm) feat_mask |= L2CAP_FEAT_ERTM | L2CAP_FEAT_STREAMING | L2CAP_FEAT_FCS; + if (enable_hs) + feat_mask |= L2CAP_FEAT_EXT_FLOW + | L2CAP_FEAT_EXT_WINDOW; + put_unaligned_le32(feat_mask, rsp->data); l2cap_send_cmd(conn, cmd->ident, L2CAP_INFO_RSP, sizeof(buf), buf); } else if (type == L2CAP_IT_FIXED_CHAN) { u8 buf[12]; struct l2cap_info_rsp *rsp = (struct l2cap_info_rsp *) buf; + + if (enable_hs) + l2cap_fixed_chan[0] |= L2CAP_FC_A2MP; + else + l2cap_fixed_chan[0] &= ~L2CAP_FC_A2MP; + rsp->type = cpu_to_le16(L2CAP_IT_FIXED_CHAN); rsp->result = cpu_to_le16(L2CAP_IR_SUCCESS); - memcpy(buf + 4, l2cap_fixed_chan, 8); + memcpy(rsp->data, l2cap_fixed_chan, sizeof(l2cap_fixed_chan)); l2cap_send_cmd(conn, cmd->ident, L2CAP_INFO_RSP, sizeof(buf), buf); } else { @@ -2829,7 +3143,7 @@ static inline int l2cap_information_rsp(struct l2cap_conn *conn, struct l2cap_cm conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_DONE) return 0; - del_timer(&conn->info_timer); + cancel_delayed_work_sync(&conn->info_work); if (result != L2CAP_IR_SUCCESS) { conn->info_state |= L2CAP_INFO_FEAT_MASK_REQ_DONE; @@ -2867,6 +3181,165 @@ static inline int l2cap_information_rsp(struct l2cap_conn *conn, struct l2cap_cm return 0; } +static inline int l2cap_create_channel_req(struct l2cap_conn *conn, + struct l2cap_cmd_hdr *cmd, u16 cmd_len, + void *data) +{ + struct l2cap_create_chan_req *req = data; + struct l2cap_create_chan_rsp rsp; + u16 psm, scid; + + if (cmd_len != sizeof(*req)) + return -EPROTO; + + if (!enable_hs) + return -EINVAL; + + psm = le16_to_cpu(req->psm); + scid = le16_to_cpu(req->scid); + + BT_DBG("psm %d, scid %d, amp_id %d", psm, scid, req->amp_id); + + /* Placeholder: Always reject */ + rsp.dcid = 0; + rsp.scid = cpu_to_le16(scid); + rsp.result = L2CAP_CR_NO_MEM; + rsp.status = L2CAP_CS_NO_INFO; + + l2cap_send_cmd(conn, cmd->ident, L2CAP_CREATE_CHAN_RSP, + sizeof(rsp), &rsp); + + return 0; +} + +static inline int l2cap_create_channel_rsp(struct l2cap_conn *conn, + struct l2cap_cmd_hdr *cmd, void *data) +{ + BT_DBG("conn %p", conn); + + return l2cap_connect_rsp(conn, cmd, data); +} + +static void l2cap_send_move_chan_rsp(struct l2cap_conn *conn, u8 ident, + u16 icid, u16 result) +{ + struct l2cap_move_chan_rsp rsp; + + BT_DBG("icid %d, result %d", icid, result); + + rsp.icid = cpu_to_le16(icid); + rsp.result = cpu_to_le16(result); + + l2cap_send_cmd(conn, ident, L2CAP_MOVE_CHAN_RSP, sizeof(rsp), &rsp); +} + +static void l2cap_send_move_chan_cfm(struct l2cap_conn *conn, + struct l2cap_chan *chan, u16 icid, u16 result) +{ + struct l2cap_move_chan_cfm cfm; + u8 ident; + + BT_DBG("icid %d, result %d", icid, result); + + ident = l2cap_get_ident(conn); + if (chan) + chan->ident = ident; + + cfm.icid = cpu_to_le16(icid); + cfm.result = cpu_to_le16(result); + + l2cap_send_cmd(conn, ident, L2CAP_MOVE_CHAN_CFM, sizeof(cfm), &cfm); +} + +static void l2cap_send_move_chan_cfm_rsp(struct l2cap_conn *conn, u8 ident, + u16 icid) +{ + struct l2cap_move_chan_cfm_rsp rsp; + + BT_DBG("icid %d", icid); + + rsp.icid = cpu_to_le16(icid); + l2cap_send_cmd(conn, ident, L2CAP_MOVE_CHAN_CFM_RSP, sizeof(rsp), &rsp); +} + +static inline int l2cap_move_channel_req(struct l2cap_conn *conn, + struct l2cap_cmd_hdr *cmd, u16 cmd_len, void *data) +{ + struct l2cap_move_chan_req *req = data; + u16 icid = 0; + u16 result = L2CAP_MR_NOT_ALLOWED; + + if (cmd_len != sizeof(*req)) + return -EPROTO; + + icid = le16_to_cpu(req->icid); + + BT_DBG("icid %d, dest_amp_id %d", icid, req->dest_amp_id); + + if (!enable_hs) + return -EINVAL; + + /* Placeholder: Always refuse */ + l2cap_send_move_chan_rsp(conn, cmd->ident, icid, result); + + return 0; +} + +static inline int l2cap_move_channel_rsp(struct l2cap_conn *conn, + struct l2cap_cmd_hdr *cmd, u16 cmd_len, void *data) +{ + struct l2cap_move_chan_rsp *rsp = data; + u16 icid, result; + + if (cmd_len != sizeof(*rsp)) + return -EPROTO; + + icid = le16_to_cpu(rsp->icid); + result = le16_to_cpu(rsp->result); + + BT_DBG("icid %d, result %d", icid, result); + + /* Placeholder: Always unconfirmed */ + l2cap_send_move_chan_cfm(conn, NULL, icid, L2CAP_MC_UNCONFIRMED); + + return 0; +} + +static inline int l2cap_move_channel_confirm(struct l2cap_conn *conn, + struct l2cap_cmd_hdr *cmd, u16 cmd_len, void *data) +{ + struct l2cap_move_chan_cfm *cfm = data; + u16 icid, result; + + if (cmd_len != sizeof(*cfm)) + return -EPROTO; + + icid = le16_to_cpu(cfm->icid); + result = le16_to_cpu(cfm->result); + + BT_DBG("icid %d, result %d", icid, result); + + l2cap_send_move_chan_cfm_rsp(conn, cmd->ident, icid); + + return 0; +} + +static inline int l2cap_move_channel_confirm_rsp(struct l2cap_conn *conn, + struct l2cap_cmd_hdr *cmd, u16 cmd_len, void *data) +{ + struct l2cap_move_chan_cfm_rsp *rsp = data; + u16 icid; + + if (cmd_len != sizeof(*rsp)) + return -EPROTO; + + icid = le16_to_cpu(rsp->icid); + + BT_DBG("icid %d", icid); + + return 0; +} + static inline int l2cap_check_conn_param(u16 min, u16 max, u16 latency, u16 to_multiplier) { @@ -2979,6 +3452,30 @@ static inline int l2cap_bredr_sig_cmd(struct l2cap_conn *conn, err = l2cap_information_rsp(conn, cmd, data); break; + case L2CAP_CREATE_CHAN_REQ: + err = l2cap_create_channel_req(conn, cmd, cmd_len, data); + break; + + case L2CAP_CREATE_CHAN_RSP: + err = l2cap_create_channel_rsp(conn, cmd, data); + break; + + case L2CAP_MOVE_CHAN_REQ: + err = l2cap_move_channel_req(conn, cmd, cmd_len, data); + break; + + case L2CAP_MOVE_CHAN_RSP: + err = l2cap_move_channel_rsp(conn, cmd, cmd_len, data); + break; + + case L2CAP_MOVE_CHAN_CFM: + err = l2cap_move_channel_confirm(conn, cmd, cmd_len, data); + break; + + case L2CAP_MOVE_CHAN_CFM_RSP: + err = l2cap_move_channel_confirm_rsp(conn, cmd, cmd_len, data); + break; + default: BT_ERR("Unknown BR/EDR signaling command 0x%2.2x", cmd->code); err = -EINVAL; @@ -3057,10 +3554,15 @@ static inline void l2cap_sig_channel(struct l2cap_conn *conn, static int l2cap_check_fcs(struct l2cap_chan *chan, struct sk_buff *skb) { u16 our_fcs, rcv_fcs; - int hdr_size = L2CAP_HDR_SIZE + 2; + int hdr_size; + + if (test_bit(FLAG_EXT_CTRL, &chan->flags)) + hdr_size = L2CAP_EXT_HDR_SIZE; + else + hdr_size = L2CAP_ENH_HDR_SIZE; if (chan->fcs == L2CAP_FCS_CRC16) { - skb_trim(skb, skb->len - 2); + skb_trim(skb, skb->len - L2CAP_FCS_SIZE); rcv_fcs = get_unaligned_le16(skb->data + skb->len); our_fcs = crc16(0, skb->data - hdr_size, skb->len + hdr_size); @@ -3072,14 +3574,14 @@ static int l2cap_check_fcs(struct l2cap_chan *chan, struct sk_buff *skb) static inline void l2cap_send_i_or_rr_or_rnr(struct l2cap_chan *chan) { - u16 control = 0; + u32 control = 0; chan->frames_sent = 0; - control |= chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT; + control |= __set_reqseq(chan, chan->buffer_seq); if (test_bit(CONN_LOCAL_BUSY, &chan->conn_state)) { - control |= L2CAP_SUPER_RCV_NOT_READY; + control |= __set_ctrl_super(chan, L2CAP_SUPER_RNR); l2cap_send_sframe(chan, control); set_bit(CONN_RNR_SENT, &chan->conn_state); } @@ -3091,12 +3593,12 @@ static inline void l2cap_send_i_or_rr_or_rnr(struct l2cap_chan *chan) if (!test_bit(CONN_LOCAL_BUSY, &chan->conn_state) && chan->frames_sent == 0) { - control |= L2CAP_SUPER_RCV_READY; + control |= __set_ctrl_super(chan, L2CAP_SUPER_RR); l2cap_send_sframe(chan, control); } } -static int l2cap_add_to_srej_queue(struct l2cap_chan *chan, struct sk_buff *skb, u8 tx_seq, u8 sar) +static int l2cap_add_to_srej_queue(struct l2cap_chan *chan, struct sk_buff *skb, u16 tx_seq, u8 sar) { struct sk_buff *next_skb; int tx_seq_offset, next_tx_seq_offset; @@ -3105,23 +3607,15 @@ static int l2cap_add_to_srej_queue(struct l2cap_chan *chan, struct sk_buff *skb, bt_cb(skb)->sar = sar; next_skb = skb_peek(&chan->srej_q); - if (!next_skb) { - __skb_queue_tail(&chan->srej_q, skb); - return 0; - } - tx_seq_offset = (tx_seq - chan->buffer_seq) % 64; - if (tx_seq_offset < 0) - tx_seq_offset += 64; + tx_seq_offset = __seq_offset(chan, tx_seq, chan->buffer_seq); - do { + while (next_skb) { if (bt_cb(next_skb)->tx_seq == tx_seq) return -EINVAL; - next_tx_seq_offset = (bt_cb(next_skb)->tx_seq - - chan->buffer_seq) % 64; - if (next_tx_seq_offset < 0) - next_tx_seq_offset += 64; + next_tx_seq_offset = __seq_offset(chan, + bt_cb(next_skb)->tx_seq, chan->buffer_seq); if (next_tx_seq_offset > tx_seq_offset) { __skb_queue_before(&chan->srej_q, next_skb, skb); @@ -3129,9 +3623,10 @@ static int l2cap_add_to_srej_queue(struct l2cap_chan *chan, struct sk_buff *skb, } if (skb_queue_is_last(&chan->srej_q, next_skb)) - break; - - } while ((next_skb = skb_queue_next(&chan->srej_q, next_skb))); + next_skb = NULL; + else + next_skb = skb_queue_next(&chan->srej_q, next_skb); + } __skb_queue_tail(&chan->srej_q, skb); @@ -3157,24 +3652,24 @@ static void append_skb_frag(struct sk_buff *skb, skb->truesize += new_frag->truesize; } -static int l2cap_reassemble_sdu(struct l2cap_chan *chan, struct sk_buff *skb, u16 control) +static int l2cap_reassemble_sdu(struct l2cap_chan *chan, struct sk_buff *skb, u32 control) { int err = -EINVAL; - switch (control & L2CAP_CTRL_SAR) { - case L2CAP_SDU_UNSEGMENTED: + switch (__get_ctrl_sar(chan, control)) { + case L2CAP_SAR_UNSEGMENTED: if (chan->sdu) break; err = chan->ops->recv(chan->data, skb); break; - case L2CAP_SDU_START: + case L2CAP_SAR_START: if (chan->sdu) break; chan->sdu_len = get_unaligned_le16(skb->data); - skb_pull(skb, 2); + skb_pull(skb, L2CAP_SDULEN_SIZE); if (chan->sdu_len > chan->imtu) { err = -EMSGSIZE; @@ -3191,7 +3686,7 @@ static int l2cap_reassemble_sdu(struct l2cap_chan *chan, struct sk_buff *skb, u1 err = 0; break; - case L2CAP_SDU_CONTINUE: + case L2CAP_SAR_CONTINUE: if (!chan->sdu) break; @@ -3205,7 +3700,7 @@ static int l2cap_reassemble_sdu(struct l2cap_chan *chan, struct sk_buff *skb, u1 err = 0; break; - case L2CAP_SDU_END: + case L2CAP_SAR_END: if (!chan->sdu) break; @@ -3240,14 +3735,14 @@ static int l2cap_reassemble_sdu(struct l2cap_chan *chan, struct sk_buff *skb, u1 static void l2cap_ertm_enter_local_busy(struct l2cap_chan *chan) { - u16 control; + u32 control; BT_DBG("chan %p, Enter local busy", chan); set_bit(CONN_LOCAL_BUSY, &chan->conn_state); - control = chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT; - control |= L2CAP_SUPER_RCV_NOT_READY; + control = __set_reqseq(chan, chan->buffer_seq); + control |= __set_ctrl_super(chan, L2CAP_SUPER_RNR); l2cap_send_sframe(chan, control); set_bit(CONN_RNR_SENT, &chan->conn_state); @@ -3257,13 +3752,14 @@ static void l2cap_ertm_enter_local_busy(struct l2cap_chan *chan) static void l2cap_ertm_exit_local_busy(struct l2cap_chan *chan) { - u16 control; + u32 control; if (!test_bit(CONN_RNR_SENT, &chan->conn_state)) goto done; - control = chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT; - control |= L2CAP_SUPER_RCV_READY | L2CAP_CTRL_POLL; + control = __set_reqseq(chan, chan->buffer_seq); + control |= __set_ctrl_poll(chan); + control |= __set_ctrl_super(chan, L2CAP_SUPER_RR); l2cap_send_sframe(chan, control); chan->retry_count = 1; @@ -3289,10 +3785,10 @@ void l2cap_chan_busy(struct l2cap_chan *chan, int busy) } } -static void l2cap_check_srej_gap(struct l2cap_chan *chan, u8 tx_seq) +static void l2cap_check_srej_gap(struct l2cap_chan *chan, u16 tx_seq) { struct sk_buff *skb; - u16 control; + u32 control; while ((skb = skb_peek(&chan->srej_q)) && !test_bit(CONN_LOCAL_BUSY, &chan->conn_state)) { @@ -3302,7 +3798,7 @@ static void l2cap_check_srej_gap(struct l2cap_chan *chan, u8 tx_seq) break; skb = skb_dequeue(&chan->srej_q); - control = bt_cb(skb)->sar << L2CAP_CTRL_SAR_SHIFT; + control = __set_ctrl_sar(chan, bt_cb(skb)->sar); err = l2cap_reassemble_sdu(chan, skb, control); if (err < 0) { @@ -3310,16 +3806,15 @@ static void l2cap_check_srej_gap(struct l2cap_chan *chan, u8 tx_seq) break; } - chan->buffer_seq_srej = - (chan->buffer_seq_srej + 1) % 64; - tx_seq = (tx_seq + 1) % 64; + chan->buffer_seq_srej = __next_seq(chan, chan->buffer_seq_srej); + tx_seq = __next_seq(chan, tx_seq); } } -static void l2cap_resend_srejframe(struct l2cap_chan *chan, u8 tx_seq) +static void l2cap_resend_srejframe(struct l2cap_chan *chan, u16 tx_seq) { struct srej_list *l, *tmp; - u16 control; + u32 control; list_for_each_entry_safe(l, tmp, &chan->srej_l, list) { if (l->tx_seq == tx_seq) { @@ -3327,45 +3822,53 @@ static void l2cap_resend_srejframe(struct l2cap_chan *chan, u8 tx_seq) kfree(l); return; } - control = L2CAP_SUPER_SELECT_REJECT; - control |= l->tx_seq << L2CAP_CTRL_REQSEQ_SHIFT; + control = __set_ctrl_super(chan, L2CAP_SUPER_SREJ); + control |= __set_reqseq(chan, l->tx_seq); l2cap_send_sframe(chan, control); list_del(&l->list); list_add_tail(&l->list, &chan->srej_l); } } -static void l2cap_send_srejframe(struct l2cap_chan *chan, u8 tx_seq) +static int l2cap_send_srejframe(struct l2cap_chan *chan, u16 tx_seq) { struct srej_list *new; - u16 control; + u32 control; while (tx_seq != chan->expected_tx_seq) { - control = L2CAP_SUPER_SELECT_REJECT; - control |= chan->expected_tx_seq << L2CAP_CTRL_REQSEQ_SHIFT; + control = __set_ctrl_super(chan, L2CAP_SUPER_SREJ); + control |= __set_reqseq(chan, chan->expected_tx_seq); l2cap_send_sframe(chan, control); new = kzalloc(sizeof(struct srej_list), GFP_ATOMIC); + if (!new) + return -ENOMEM; + new->tx_seq = chan->expected_tx_seq; - chan->expected_tx_seq = (chan->expected_tx_seq + 1) % 64; + + chan->expected_tx_seq = __next_seq(chan, chan->expected_tx_seq); + list_add_tail(&new->list, &chan->srej_l); } - chan->expected_tx_seq = (chan->expected_tx_seq + 1) % 64; + + chan->expected_tx_seq = __next_seq(chan, chan->expected_tx_seq); + + return 0; } -static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u16 rx_control, struct sk_buff *skb) +static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u32 rx_control, struct sk_buff *skb) { - u8 tx_seq = __get_txseq(rx_control); - u8 req_seq = __get_reqseq(rx_control); - u8 sar = rx_control >> L2CAP_CTRL_SAR_SHIFT; + u16 tx_seq = __get_txseq(chan, rx_control); + u16 req_seq = __get_reqseq(chan, rx_control); + u8 sar = __get_ctrl_sar(chan, rx_control); int tx_seq_offset, expected_tx_seq_offset; int num_to_ack = (chan->tx_win/6) + 1; int err = 0; - BT_DBG("chan %p len %d tx_seq %d rx_control 0x%4.4x", chan, skb->len, + BT_DBG("chan %p len %d tx_seq %d rx_control 0x%8.8x", chan, skb->len, tx_seq, rx_control); - if (L2CAP_CTRL_FINAL & rx_control && + if (__is_ctrl_final(chan, rx_control) && test_bit(CONN_WAIT_F, &chan->conn_state)) { __clear_monitor_timer(chan); if (chan->unacked_frames > 0) @@ -3376,9 +3879,7 @@ static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u16 rx_cont chan->expected_ack_seq = req_seq; l2cap_drop_acked_frames(chan); - tx_seq_offset = (tx_seq - chan->buffer_seq) % 64; - if (tx_seq_offset < 0) - tx_seq_offset += 64; + tx_seq_offset = __seq_offset(chan, tx_seq, chan->buffer_seq); /* invalid tx_seq */ if (tx_seq_offset >= chan->tx_win) { @@ -3423,13 +3924,16 @@ static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u16 rx_cont return 0; } } - l2cap_send_srejframe(chan, tx_seq); + + err = l2cap_send_srejframe(chan, tx_seq); + if (err < 0) { + l2cap_send_disconn_req(chan->conn, chan, -err); + return err; + } } } else { - expected_tx_seq_offset = - (chan->expected_tx_seq - chan->buffer_seq) % 64; - if (expected_tx_seq_offset < 0) - expected_tx_seq_offset += 64; + expected_tx_seq_offset = __seq_offset(chan, + chan->expected_tx_seq, chan->buffer_seq); /* duplicated tx_seq */ if (tx_seq_offset < expected_tx_seq_offset) @@ -3447,14 +3951,18 @@ static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u16 rx_cont set_bit(CONN_SEND_PBIT, &chan->conn_state); - l2cap_send_srejframe(chan, tx_seq); + err = l2cap_send_srejframe(chan, tx_seq); + if (err < 0) { + l2cap_send_disconn_req(chan->conn, chan, -err); + return err; + } __clear_ack_timer(chan); } return 0; expected: - chan->expected_tx_seq = (chan->expected_tx_seq + 1) % 64; + chan->expected_tx_seq = __next_seq(chan, chan->expected_tx_seq); if (test_bit(CONN_SREJ_SENT, &chan->conn_state)) { bt_cb(skb)->tx_seq = tx_seq; @@ -3464,22 +3972,24 @@ expected: } err = l2cap_reassemble_sdu(chan, skb, rx_control); - chan->buffer_seq = (chan->buffer_seq + 1) % 64; + chan->buffer_seq = __next_seq(chan, chan->buffer_seq); + if (err < 0) { l2cap_send_disconn_req(chan->conn, chan, ECONNRESET); return err; } - if (rx_control & L2CAP_CTRL_FINAL) { + if (__is_ctrl_final(chan, rx_control)) { if (!test_and_clear_bit(CONN_REJ_ACT, &chan->conn_state)) l2cap_retransmit_frames(chan); } - __set_ack_timer(chan); chan->num_acked = (chan->num_acked + 1) % num_to_ack; if (chan->num_acked == num_to_ack - 1) l2cap_send_ack(chan); + else + __set_ack_timer(chan); return 0; @@ -3488,15 +3998,15 @@ drop: return 0; } -static inline void l2cap_data_channel_rrframe(struct l2cap_chan *chan, u16 rx_control) +static inline void l2cap_data_channel_rrframe(struct l2cap_chan *chan, u32 rx_control) { - BT_DBG("chan %p, req_seq %d ctrl 0x%4.4x", chan, __get_reqseq(rx_control), - rx_control); + BT_DBG("chan %p, req_seq %d ctrl 0x%8.8x", chan, + __get_reqseq(chan, rx_control), rx_control); - chan->expected_ack_seq = __get_reqseq(rx_control); + chan->expected_ack_seq = __get_reqseq(chan, rx_control); l2cap_drop_acked_frames(chan); - if (rx_control & L2CAP_CTRL_POLL) { + if (__is_ctrl_poll(chan, rx_control)) { set_bit(CONN_SEND_FBIT, &chan->conn_state); if (test_bit(CONN_SREJ_SENT, &chan->conn_state)) { if (test_bit(CONN_REMOTE_BUSY, &chan->conn_state) && @@ -3509,7 +4019,7 @@ static inline void l2cap_data_channel_rrframe(struct l2cap_chan *chan, u16 rx_co l2cap_send_i_or_rr_or_rnr(chan); } - } else if (rx_control & L2CAP_CTRL_FINAL) { + } else if (__is_ctrl_final(chan, rx_control)) { clear_bit(CONN_REMOTE_BUSY, &chan->conn_state); if (!test_and_clear_bit(CONN_REJ_ACT, &chan->conn_state)) @@ -3528,18 +4038,18 @@ static inline void l2cap_data_channel_rrframe(struct l2cap_chan *chan, u16 rx_co } } -static inline void l2cap_data_channel_rejframe(struct l2cap_chan *chan, u16 rx_control) +static inline void l2cap_data_channel_rejframe(struct l2cap_chan *chan, u32 rx_control) { - u8 tx_seq = __get_reqseq(rx_control); + u16 tx_seq = __get_reqseq(chan, rx_control); - BT_DBG("chan %p, req_seq %d ctrl 0x%4.4x", chan, tx_seq, rx_control); + BT_DBG("chan %p, req_seq %d ctrl 0x%8.8x", chan, tx_seq, rx_control); clear_bit(CONN_REMOTE_BUSY, &chan->conn_state); chan->expected_ack_seq = tx_seq; l2cap_drop_acked_frames(chan); - if (rx_control & L2CAP_CTRL_FINAL) { + if (__is_ctrl_final(chan, rx_control)) { if (!test_and_clear_bit(CONN_REJ_ACT, &chan->conn_state)) l2cap_retransmit_frames(chan); } else { @@ -3549,15 +4059,15 @@ static inline void l2cap_data_channel_rejframe(struct l2cap_chan *chan, u16 rx_c set_bit(CONN_REJ_ACT, &chan->conn_state); } } -static inline void l2cap_data_channel_srejframe(struct l2cap_chan *chan, u16 rx_control) +static inline void l2cap_data_channel_srejframe(struct l2cap_chan *chan, u32 rx_control) { - u8 tx_seq = __get_reqseq(rx_control); + u16 tx_seq = __get_reqseq(chan, rx_control); - BT_DBG("chan %p, req_seq %d ctrl 0x%4.4x", chan, tx_seq, rx_control); + BT_DBG("chan %p, req_seq %d ctrl 0x%8.8x", chan, tx_seq, rx_control); clear_bit(CONN_REMOTE_BUSY, &chan->conn_state); - if (rx_control & L2CAP_CTRL_POLL) { + if (__is_ctrl_poll(chan, rx_control)) { chan->expected_ack_seq = tx_seq; l2cap_drop_acked_frames(chan); @@ -3570,7 +4080,7 @@ static inline void l2cap_data_channel_srejframe(struct l2cap_chan *chan, u16 rx_ chan->srej_save_reqseq = tx_seq; set_bit(CONN_SREJ_ACT, &chan->conn_state); } - } else if (rx_control & L2CAP_CTRL_FINAL) { + } else if (__is_ctrl_final(chan, rx_control)) { if (test_bit(CONN_SREJ_ACT, &chan->conn_state) && chan->srej_save_reqseq == tx_seq) clear_bit(CONN_SREJ_ACT, &chan->conn_state); @@ -3585,37 +4095,39 @@ static inline void l2cap_data_channel_srejframe(struct l2cap_chan *chan, u16 rx_ } } -static inline void l2cap_data_channel_rnrframe(struct l2cap_chan *chan, u16 rx_control) +static inline void l2cap_data_channel_rnrframe(struct l2cap_chan *chan, u32 rx_control) { - u8 tx_seq = __get_reqseq(rx_control); + u16 tx_seq = __get_reqseq(chan, rx_control); - BT_DBG("chan %p, req_seq %d ctrl 0x%4.4x", chan, tx_seq, rx_control); + BT_DBG("chan %p, req_seq %d ctrl 0x%8.8x", chan, tx_seq, rx_control); set_bit(CONN_REMOTE_BUSY, &chan->conn_state); chan->expected_ack_seq = tx_seq; l2cap_drop_acked_frames(chan); - if (rx_control & L2CAP_CTRL_POLL) + if (__is_ctrl_poll(chan, rx_control)) set_bit(CONN_SEND_FBIT, &chan->conn_state); if (!test_bit(CONN_SREJ_SENT, &chan->conn_state)) { __clear_retrans_timer(chan); - if (rx_control & L2CAP_CTRL_POLL) + if (__is_ctrl_poll(chan, rx_control)) l2cap_send_rr_or_rnr(chan, L2CAP_CTRL_FINAL); return; } - if (rx_control & L2CAP_CTRL_POLL) + if (__is_ctrl_poll(chan, rx_control)) { l2cap_send_srejtail(chan); - else - l2cap_send_sframe(chan, L2CAP_SUPER_RCV_READY); + } else { + rx_control = __set_ctrl_super(chan, L2CAP_SUPER_RR); + l2cap_send_sframe(chan, rx_control); + } } -static inline int l2cap_data_channel_sframe(struct l2cap_chan *chan, u16 rx_control, struct sk_buff *skb) +static inline int l2cap_data_channel_sframe(struct l2cap_chan *chan, u32 rx_control, struct sk_buff *skb) { - BT_DBG("chan %p rx_control 0x%4.4x len %d", chan, rx_control, skb->len); + BT_DBG("chan %p rx_control 0x%8.8x len %d", chan, rx_control, skb->len); - if (L2CAP_CTRL_FINAL & rx_control && + if (__is_ctrl_final(chan, rx_control) && test_bit(CONN_WAIT_F, &chan->conn_state)) { __clear_monitor_timer(chan); if (chan->unacked_frames > 0) @@ -3623,20 +4135,20 @@ static inline int l2cap_data_channel_sframe(struct l2cap_chan *chan, u16 rx_cont clear_bit(CONN_WAIT_F, &chan->conn_state); } - switch (rx_control & L2CAP_CTRL_SUPERVISE) { - case L2CAP_SUPER_RCV_READY: + switch (__get_ctrl_super(chan, rx_control)) { + case L2CAP_SUPER_RR: l2cap_data_channel_rrframe(chan, rx_control); break; - case L2CAP_SUPER_REJECT: + case L2CAP_SUPER_REJ: l2cap_data_channel_rejframe(chan, rx_control); break; - case L2CAP_SUPER_SELECT_REJECT: + case L2CAP_SUPER_SREJ: l2cap_data_channel_srejframe(chan, rx_control); break; - case L2CAP_SUPER_RCV_NOT_READY: + case L2CAP_SUPER_RNR: l2cap_data_channel_rnrframe(chan, rx_control); break; } @@ -3648,12 +4160,12 @@ static inline int l2cap_data_channel_sframe(struct l2cap_chan *chan, u16 rx_cont static int l2cap_ertm_data_rcv(struct sock *sk, struct sk_buff *skb) { struct l2cap_chan *chan = l2cap_pi(sk)->chan; - u16 control; - u8 req_seq; + u32 control; + u16 req_seq; int len, next_tx_seq_offset, req_seq_offset; - control = get_unaligned_le16(skb->data); - skb_pull(skb, 2); + control = __get_control(chan, skb->data); + skb_pull(skb, __ctrl_size(chan)); len = skb->len; /* @@ -3664,26 +4176,23 @@ static int l2cap_ertm_data_rcv(struct sock *sk, struct sk_buff *skb) if (l2cap_check_fcs(chan, skb)) goto drop; - if (__is_sar_start(control) && __is_iframe(control)) - len -= 2; + if (__is_sar_start(chan, control) && !__is_sframe(chan, control)) + len -= L2CAP_SDULEN_SIZE; if (chan->fcs == L2CAP_FCS_CRC16) - len -= 2; + len -= L2CAP_FCS_SIZE; if (len > chan->mps) { l2cap_send_disconn_req(chan->conn, chan, ECONNRESET); goto drop; } - req_seq = __get_reqseq(control); - req_seq_offset = (req_seq - chan->expected_ack_seq) % 64; - if (req_seq_offset < 0) - req_seq_offset += 64; + req_seq = __get_reqseq(chan, control); + + req_seq_offset = __seq_offset(chan, req_seq, chan->expected_ack_seq); - next_tx_seq_offset = - (chan->next_tx_seq - chan->expected_ack_seq) % 64; - if (next_tx_seq_offset < 0) - next_tx_seq_offset += 64; + next_tx_seq_offset = __seq_offset(chan, chan->next_tx_seq, + chan->expected_ack_seq); /* check for invalid req-seq */ if (req_seq_offset > next_tx_seq_offset) { @@ -3691,7 +4200,7 @@ static int l2cap_ertm_data_rcv(struct sock *sk, struct sk_buff *skb) goto drop; } - if (__is_iframe(control)) { + if (!__is_sframe(chan, control)) { if (len < 0) { l2cap_send_disconn_req(chan->conn, chan, ECONNRESET); goto drop; @@ -3719,8 +4228,8 @@ static inline int l2cap_data_channel(struct l2cap_conn *conn, u16 cid, struct sk { struct l2cap_chan *chan; struct sock *sk = NULL; - u16 control; - u8 tx_seq; + u32 control; + u16 tx_seq; int len; chan = l2cap_get_chan_by_scid(conn, cid); @@ -3751,33 +4260,28 @@ static inline int l2cap_data_channel(struct l2cap_conn *conn, u16 cid, struct sk break; case L2CAP_MODE_ERTM: - if (!sock_owned_by_user(sk)) { - l2cap_ertm_data_rcv(sk, skb); - } else { - if (sk_add_backlog(sk, skb)) - goto drop; - } + l2cap_ertm_data_rcv(sk, skb); goto done; case L2CAP_MODE_STREAMING: - control = get_unaligned_le16(skb->data); - skb_pull(skb, 2); + control = __get_control(chan, skb->data); + skb_pull(skb, __ctrl_size(chan)); len = skb->len; if (l2cap_check_fcs(chan, skb)) goto drop; - if (__is_sar_start(control)) - len -= 2; + if (__is_sar_start(chan, control)) + len -= L2CAP_SDULEN_SIZE; if (chan->fcs == L2CAP_FCS_CRC16) - len -= 2; + len -= L2CAP_FCS_SIZE; - if (len > chan->mps || len < 0 || __is_sframe(control)) + if (len > chan->mps || len < 0 || __is_sframe(chan, control)) goto drop; - tx_seq = __get_txseq(control); + tx_seq = __get_txseq(chan, control); if (chan->expected_tx_seq != tx_seq) { /* Frame(s) missing - must discard partial SDU */ @@ -3789,7 +4293,7 @@ static inline int l2cap_data_channel(struct l2cap_conn *conn, u16 cid, struct sk /* TODO: Notify userland of missing data */ } - chan->expected_tx_seq = (tx_seq + 1) % 64; + chan->expected_tx_seq = __next_seq(chan, tx_seq); if (l2cap_reassemble_sdu(chan, skb, control) == -EMSGSIZE) l2cap_send_disconn_req(chan->conn, chan, ECONNRESET); @@ -3806,7 +4310,7 @@ drop: done: if (sk) - bh_unlock_sock(sk); + release_sock(sk); return 0; } @@ -3822,7 +4326,7 @@ static inline int l2cap_conless_channel(struct l2cap_conn *conn, __le16 psm, str sk = chan->sk; - bh_lock_sock(sk); + lock_sock(sk); BT_DBG("sk %p, len %d", sk, skb->len); @@ -3840,7 +4344,7 @@ drop: done: if (sk) - bh_unlock_sock(sk); + release_sock(sk); return 0; } @@ -3855,7 +4359,7 @@ static inline int l2cap_att_channel(struct l2cap_conn *conn, __le16 cid, struct sk = chan->sk; - bh_lock_sock(sk); + lock_sock(sk); BT_DBG("sk %p, len %d", sk, skb->len); @@ -3873,7 +4377,7 @@ drop: done: if (sk) - bh_unlock_sock(sk); + release_sock(sk); return 0; } @@ -3943,12 +4447,12 @@ static int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type) if (!bacmp(&bt_sk(sk)->src, &hdev->bdaddr)) { lm1 |= HCI_LM_ACCEPT; - if (c->role_switch) + if (test_bit(FLAG_ROLE_SWITCH, &c->flags)) lm1 |= HCI_LM_MASTER; exact++; } else if (!bacmp(&bt_sk(sk)->src, BDADDR_ANY)) { lm2 |= HCI_LM_ACCEPT; - if (c->role_switch) + if (test_bit(FLAG_ROLE_SWITCH, &c->flags)) lm2 |= HCI_LM_MASTER; } } @@ -3983,7 +4487,7 @@ static int l2cap_disconn_ind(struct hci_conn *hcon) BT_DBG("hcon %p", hcon); if ((hcon->type != ACL_LINK && hcon->type != LE_LINK) || !conn) - return 0x13; + return HCI_ERROR_REMOTE_USER_TERM; return conn->disc_reason; } @@ -4032,9 +4536,9 @@ static int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt) del_timer(&conn->security_timer); } - read_lock(&conn->chan_lock); + rcu_read_lock(); - list_for_each_entry(chan, &conn->chan_l, list) { + list_for_each_entry_rcu(chan, &conn->chan_l, list) { struct sock *sk = chan->sk; bh_lock_sock(sk); @@ -4112,7 +4616,7 @@ static int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt) bh_unlock_sock(sk); } - read_unlock(&conn->chan_lock); + rcu_read_unlock(); return 0; } @@ -4178,11 +4682,11 @@ static int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 fl BT_ERR("Frame exceeding recv MTU (len %d, " "MTU %d)", len, chan->imtu); - bh_unlock_sock(sk); + release_sock(sk); l2cap_conn_unreliable(conn, ECOMM); goto drop; } - bh_unlock_sock(sk); + release_sock(sk); } /* Allocate skb for the complete frame (with header) */ diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index e829236..5e09766 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -3,6 +3,7 @@ Copyright (C) 2000-2001 Qualcomm Incorporated Copyright (C) 2009-2010 Gustavo F. Padovan <gustavo@padovan.org> Copyright (C) 2010 Google Inc. + Copyright (C) 2011 ProFUSION Embedded Systems Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> @@ -121,70 +122,15 @@ static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int al if (la.l2_cid && la.l2_psm) return -EINVAL; - lock_sock(sk); - - if (chan->chan_type == L2CAP_CHAN_CONN_ORIENTED - && !(la.l2_psm || la.l2_cid)) { - err = -EINVAL; - goto done; - } - - switch (chan->mode) { - case L2CAP_MODE_BASIC: - break; - case L2CAP_MODE_ERTM: - case L2CAP_MODE_STREAMING: - if (!disable_ertm) - break; - /* fall through */ - default: - err = -ENOTSUPP; - goto done; - } - - switch (sk->sk_state) { - case BT_CONNECT: - case BT_CONNECT2: - case BT_CONFIG: - /* Already connecting */ - goto wait; - - case BT_CONNECTED: - /* Already connected */ - err = -EISCONN; - goto done; - - case BT_OPEN: - case BT_BOUND: - /* Can connect */ - break; - - default: - err = -EBADFD; - goto done; - } - - /* PSM must be odd and lsb of upper byte must be 0 */ - if ((__le16_to_cpu(la.l2_psm) & 0x0101) != 0x0001 && !la.l2_cid && - chan->chan_type != L2CAP_CHAN_RAW) { - err = -EINVAL; - goto done; - } - - /* Set destination address and psm */ - bacpy(&bt_sk(sk)->dst, &la.l2_bdaddr); - chan->psm = la.l2_psm; - chan->dcid = la.l2_cid; - - err = l2cap_chan_connect(l2cap_pi(sk)->chan); + err = l2cap_chan_connect(chan, la.l2_psm, la.l2_cid, &la.l2_bdaddr); if (err) goto done; -wait: err = bt_sock_wait_state(sk, BT_CONNECTED, sock_sndtimeo(sk, flags & O_NONBLOCK)); done: - release_sock(sk); + if (sock_owned_by_user(sk)) + release_sock(sk); return err; } @@ -333,7 +279,7 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __us opts.mode = chan->mode; opts.fcs = chan->fcs; opts.max_tx = chan->max_tx; - opts.txwin_size = (__u16)chan->tx_win; + opts.txwin_size = chan->tx_win; len = min_t(unsigned int, len, sizeof(opts)); if (copy_to_user(optval, (char *) &opts, len)) @@ -358,10 +304,10 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __us break; } - if (chan->role_switch) + if (test_bit(FLAG_ROLE_SWITCH, &chan->flags)) opt |= L2CAP_LM_MASTER; - if (chan->force_reliable) + if (test_bit(FLAG_FORCE_RELIABLE, &chan->flags)) opt |= L2CAP_LM_RELIABLE; if (put_user(opt, (u32 __user *) optval)) @@ -448,7 +394,8 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch break; case BT_FLUSHABLE: - if (put_user(chan->flushable, (u32 __user *) optval)) + if (put_user(test_bit(FLAG_FLUSHABLE, &chan->flags), + (u32 __user *) optval)) err = -EFAULT; break; @@ -460,7 +407,7 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch break; } - pwr.force_active = chan->force_active; + pwr.force_active = test_bit(FLAG_FORCE_ACTIVE, &chan->flags); len = min_t(unsigned int, len, sizeof(pwr)); if (copy_to_user(optval, (char *) &pwr, len)) @@ -468,6 +415,16 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch break; + case BT_CHANNEL_POLICY: + if (!enable_hs) { + err = -ENOPROTOOPT; + break; + } + + if (put_user(chan->chan_policy, (u32 __user *) optval)) + err = -EFAULT; + break; + default: err = -ENOPROTOOPT; break; @@ -502,7 +459,7 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us opts.mode = chan->mode; opts.fcs = chan->fcs; opts.max_tx = chan->max_tx; - opts.txwin_size = (__u16)chan->tx_win; + opts.txwin_size = chan->tx_win; len = min_t(unsigned int, sizeof(opts), optlen); if (copy_from_user((char *) &opts, optval, len)) { @@ -510,7 +467,7 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us break; } - if (opts.txwin_size > L2CAP_DEFAULT_TX_WINDOW) { + if (opts.txwin_size > L2CAP_DEFAULT_EXT_WINDOW) { err = -EINVAL; break; } @@ -534,7 +491,7 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us chan->omtu = opts.omtu; chan->fcs = opts.fcs; chan->max_tx = opts.max_tx; - chan->tx_win = (__u8)opts.txwin_size; + chan->tx_win = opts.txwin_size; break; case L2CAP_LM: @@ -550,8 +507,15 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us if (opt & L2CAP_LM_SECURE) chan->sec_level = BT_SECURITY_HIGH; - chan->role_switch = (opt & L2CAP_LM_MASTER); - chan->force_reliable = (opt & L2CAP_LM_RELIABLE); + if (opt & L2CAP_LM_MASTER) + set_bit(FLAG_ROLE_SWITCH, &chan->flags); + else + clear_bit(FLAG_ROLE_SWITCH, &chan->flags); + + if (opt & L2CAP_LM_RELIABLE) + set_bit(FLAG_FORCE_RELIABLE, &chan->flags); + else + clear_bit(FLAG_FORCE_RELIABLE, &chan->flags); break; default: @@ -607,8 +571,13 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch chan->sec_level = sec.level; + if (!chan->conn) + break; + conn = chan->conn; - if (conn && chan->scid == L2CAP_CID_LE_DATA) { + + /*change security for LE channels */ + if (chan->scid == L2CAP_CID_LE_DATA) { if (!conn->hcon->out) { err = -EINVAL; break; @@ -616,9 +585,14 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch if (smp_conn_security(conn, sec.level)) break; - - err = 0; sk->sk_state = BT_CONFIG; + + /* or for ACL link, under defer_setup time */ + } else if (sk->sk_state == BT_CONNECT2 && + bt_sk(sk)->defer_setup) { + err = l2cap_chan_check_security(chan); + } else { + err = -EINVAL; } break; @@ -657,7 +631,10 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch } } - chan->flushable = opt; + if (opt) + set_bit(FLAG_FLUSHABLE, &chan->flags); + else + clear_bit(FLAG_FLUSHABLE, &chan->flags); break; case BT_POWER: @@ -674,7 +651,36 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch err = -EFAULT; break; } - chan->force_active = pwr.force_active; + + if (pwr.force_active) + set_bit(FLAG_FORCE_ACTIVE, &chan->flags); + else + clear_bit(FLAG_FORCE_ACTIVE, &chan->flags); + break; + + case BT_CHANNEL_POLICY: + if (!enable_hs) { + err = -ENOPROTOOPT; + break; + } + + if (get_user(opt, (u32 __user *) optval)) { + err = -EFAULT; + break; + } + + if (opt > BT_CHANNEL_POLICY_AMP_PREFERRED) { + err = -EINVAL; + break; + } + + if (chan->mode != L2CAP_MODE_ERTM && + chan->mode != L2CAP_MODE_STREAMING) { + err = -EOPNOTSUPP; + break; + } + + chan->chan_policy = (u8) opt; break; default: @@ -708,7 +714,7 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms return -ENOTCONN; } - err = l2cap_chan_send(chan, msg, len); + err = l2cap_chan_send(chan, msg, len, sk->sk_priority); release_sock(sk); return err; @@ -930,11 +936,9 @@ static void l2cap_sock_init(struct sock *sk, struct sock *parent) chan->fcs = pchan->fcs; chan->max_tx = pchan->max_tx; chan->tx_win = pchan->tx_win; + chan->tx_win_max = pchan->tx_win_max; chan->sec_level = pchan->sec_level; - chan->role_switch = pchan->role_switch; - chan->force_reliable = pchan->force_reliable; - chan->flushable = pchan->flushable; - chan->force_active = pchan->force_active; + chan->flags = pchan->flags; security_sk_clone(parent, sk); } else { @@ -963,12 +967,10 @@ static void l2cap_sock_init(struct sock *sk, struct sock *parent) chan->max_tx = L2CAP_DEFAULT_MAX_TX; chan->fcs = L2CAP_FCS_CRC16; chan->tx_win = L2CAP_DEFAULT_TX_WINDOW; + chan->tx_win_max = L2CAP_DEFAULT_TX_WINDOW; chan->sec_level = BT_SECURITY_LOW; - chan->role_switch = 0; - chan->force_reliable = 0; - chan->flushable = BT_FLUSHABLE_OFF; - chan->force_active = BT_POWER_FORCE_ACTIVE_ON; - + chan->flags = 0; + set_bit(FLAG_FORCE_ACTIVE, &chan->flags); } /* Default config options */ diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 5caff4d..8413f55 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -22,6 +22,7 @@ /* Bluetooth HCI Management interface */ +#include <linux/kernel.h> #include <linux/uaccess.h> #include <asm/unaligned.h> @@ -32,22 +33,98 @@ #define MGMT_VERSION 0 #define MGMT_REVISION 1 +#define INQUIRY_LEN_BREDR 0x08 /* TGAP(100) */ + +#define SERVICE_CACHE_TIMEOUT (5 * 1000) + struct pending_cmd { struct list_head list; - __u16 opcode; + u16 opcode; int index; void *param; struct sock *sk; void *user_data; }; -static LIST_HEAD(cmd_list); +/* HCI to MGMT error code conversion table */ +static u8 mgmt_status_table[] = { + MGMT_STATUS_SUCCESS, + MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */ + MGMT_STATUS_NOT_CONNECTED, /* No Connection */ + MGMT_STATUS_FAILED, /* Hardware Failure */ + MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */ + MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */ + MGMT_STATUS_NOT_PAIRED, /* PIN or Key Missing */ + MGMT_STATUS_NO_RESOURCES, /* Memory Full */ + MGMT_STATUS_TIMEOUT, /* Connection Timeout */ + MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */ + MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */ + MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */ + MGMT_STATUS_BUSY, /* Command Disallowed */ + MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */ + MGMT_STATUS_REJECTED, /* Rejected Security */ + MGMT_STATUS_REJECTED, /* Rejected Personal */ + MGMT_STATUS_TIMEOUT, /* Host Timeout */ + MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */ + MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */ + MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */ + MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */ + MGMT_STATUS_DISCONNECTED, /* OE Power Off */ + MGMT_STATUS_DISCONNECTED, /* Connection Terminated */ + MGMT_STATUS_BUSY, /* Repeated Attempts */ + MGMT_STATUS_REJECTED, /* Pairing Not Allowed */ + MGMT_STATUS_FAILED, /* Unknown LMP PDU */ + MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */ + MGMT_STATUS_REJECTED, /* SCO Offset Rejected */ + MGMT_STATUS_REJECTED, /* SCO Interval Rejected */ + MGMT_STATUS_REJECTED, /* Air Mode Rejected */ + MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */ + MGMT_STATUS_FAILED, /* Unspecified Error */ + MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */ + MGMT_STATUS_FAILED, /* Role Change Not Allowed */ + MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */ + MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */ + MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */ + MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */ + MGMT_STATUS_FAILED, /* Unit Link Key Used */ + MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */ + MGMT_STATUS_TIMEOUT, /* Instant Passed */ + MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */ + MGMT_STATUS_FAILED, /* Transaction Collision */ + MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */ + MGMT_STATUS_REJECTED, /* QoS Rejected */ + MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */ + MGMT_STATUS_REJECTED, /* Insufficient Security */ + MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */ + MGMT_STATUS_BUSY, /* Role Switch Pending */ + MGMT_STATUS_FAILED, /* Slot Violation */ + MGMT_STATUS_FAILED, /* Role Switch Failed */ + MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */ + MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */ + MGMT_STATUS_BUSY, /* Host Busy Pairing */ + MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */ + MGMT_STATUS_BUSY, /* Controller Busy */ + MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */ + MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */ + MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */ + MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */ + MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */ +}; + +static u8 mgmt_status(u8 hci_status) +{ + if (hci_status < ARRAY_SIZE(mgmt_status_table)) + return mgmt_status_table[hci_status]; + + return MGMT_STATUS_FAILED; +} static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status) { struct sk_buff *skb; struct mgmt_hdr *hdr; struct mgmt_ev_cmd_status *ev; + int err; BT_DBG("sock %p, index %u, cmd %u, status %u", sk, index, cmd, status); @@ -65,10 +142,11 @@ static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status) ev->status = status; put_unaligned_le16(cmd, &ev->opcode); - if (sock_queue_rcv_skb(sk, skb) < 0) + err = sock_queue_rcv_skb(sk, skb); + if (err < 0) kfree_skb(skb); - return 0; + return err; } static int cmd_complete(struct sock *sk, u16 index, u16 cmd, void *rp, @@ -77,6 +155,7 @@ static int cmd_complete(struct sock *sk, u16 index, u16 cmd, void *rp, struct sk_buff *skb; struct mgmt_hdr *hdr; struct mgmt_ev_cmd_complete *ev; + int err; BT_DBG("sock %p", sk); @@ -96,10 +175,11 @@ static int cmd_complete(struct sock *sk, u16 index, u16 cmd, void *rp, if (rp) memcpy(ev->data, rp, rp_len); - if (sock_queue_rcv_skb(sk, skb) < 0) + err = sock_queue_rcv_skb(sk, skb); + if (err < 0) kfree_skb(skb); - return 0; + return err;; } static int read_version(struct sock *sk) @@ -119,6 +199,7 @@ static int read_index_list(struct sock *sk) { struct mgmt_rp_read_index_list *rp; struct list_head *p; + struct hci_dev *d; size_t rp_len; u16 count; int i, err; @@ -142,10 +223,9 @@ static int read_index_list(struct sock *sk) put_unaligned_le16(count, &rp->num_controllers); i = 0; - list_for_each(p, &hci_dev_list) { - struct hci_dev *d = list_entry(p, struct hci_dev, list); - - hci_del_off_timer(d); + list_for_each_entry(d, &hci_dev_list, list) { + if (test_and_clear_bit(HCI_AUTO_OFF, &d->flags)) + cancel_delayed_work(&d->power_off); if (test_bit(HCI_SETUP, &d->flags)) continue; @@ -164,6 +244,262 @@ static int read_index_list(struct sock *sk) return err; } +static u32 get_supported_settings(struct hci_dev *hdev) +{ + u32 settings = 0; + + settings |= MGMT_SETTING_POWERED; + settings |= MGMT_SETTING_CONNECTABLE; + settings |= MGMT_SETTING_FAST_CONNECTABLE; + settings |= MGMT_SETTING_DISCOVERABLE; + settings |= MGMT_SETTING_PAIRABLE; + + if (hdev->features[6] & LMP_SIMPLE_PAIR) + settings |= MGMT_SETTING_SSP; + + if (!(hdev->features[4] & LMP_NO_BREDR)) { + settings |= MGMT_SETTING_BREDR; + settings |= MGMT_SETTING_LINK_SECURITY; + } + + if (hdev->features[4] & LMP_LE) + settings |= MGMT_SETTING_LE; + + return settings; +} + +static u32 get_current_settings(struct hci_dev *hdev) +{ + u32 settings = 0; + + if (test_bit(HCI_UP, &hdev->flags)) + settings |= MGMT_SETTING_POWERED; + else + return settings; + + if (test_bit(HCI_PSCAN, &hdev->flags)) + settings |= MGMT_SETTING_CONNECTABLE; + + if (test_bit(HCI_ISCAN, &hdev->flags)) + settings |= MGMT_SETTING_DISCOVERABLE; + + if (test_bit(HCI_PAIRABLE, &hdev->flags)) + settings |= MGMT_SETTING_PAIRABLE; + + if (!(hdev->features[4] & LMP_NO_BREDR)) + settings |= MGMT_SETTING_BREDR; + + if (hdev->extfeatures[0] & LMP_HOST_LE) + settings |= MGMT_SETTING_LE; + + if (test_bit(HCI_AUTH, &hdev->flags)) + settings |= MGMT_SETTING_LINK_SECURITY; + + if (hdev->ssp_mode > 0) + settings |= MGMT_SETTING_SSP; + + return settings; +} + +#define EIR_FLAGS 0x01 /* flags */ +#define EIR_UUID16_SOME 0x02 /* 16-bit UUID, more available */ +#define EIR_UUID16_ALL 0x03 /* 16-bit UUID, all listed */ +#define EIR_UUID32_SOME 0x04 /* 32-bit UUID, more available */ +#define EIR_UUID32_ALL 0x05 /* 32-bit UUID, all listed */ +#define EIR_UUID128_SOME 0x06 /* 128-bit UUID, more available */ +#define EIR_UUID128_ALL 0x07 /* 128-bit UUID, all listed */ +#define EIR_NAME_SHORT 0x08 /* shortened local name */ +#define EIR_NAME_COMPLETE 0x09 /* complete local name */ +#define EIR_TX_POWER 0x0A /* transmit power level */ +#define EIR_DEVICE_ID 0x10 /* device ID */ + +#define PNP_INFO_SVCLASS_ID 0x1200 + +static u8 bluetooth_base_uuid[] = { + 0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, 0x00, 0x80, + 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, +}; + +static u16 get_uuid16(u8 *uuid128) +{ + u32 val; + int i; + + for (i = 0; i < 12; i++) { + if (bluetooth_base_uuid[i] != uuid128[i]) + return 0; + } + + memcpy(&val, &uuid128[12], 4); + + val = le32_to_cpu(val); + if (val > 0xffff) + return 0; + + return (u16) val; +} + +static void create_eir(struct hci_dev *hdev, u8 *data) +{ + u8 *ptr = data; + u16 eir_len = 0; + u16 uuid16_list[HCI_MAX_EIR_LENGTH / sizeof(u16)]; + int i, truncated = 0; + struct bt_uuid *uuid; + size_t name_len; + + name_len = strlen(hdev->dev_name); + + if (name_len > 0) { + /* EIR Data type */ + if (name_len > 48) { + name_len = 48; + ptr[1] = EIR_NAME_SHORT; + } else + ptr[1] = EIR_NAME_COMPLETE; + + /* EIR Data length */ + ptr[0] = name_len + 1; + + memcpy(ptr + 2, hdev->dev_name, name_len); + + eir_len += (name_len + 2); + ptr += (name_len + 2); + } + + memset(uuid16_list, 0, sizeof(uuid16_list)); + + /* Group all UUID16 types */ + list_for_each_entry(uuid, &hdev->uuids, list) { + u16 uuid16; + + uuid16 = get_uuid16(uuid->uuid); + if (uuid16 == 0) + return; + + if (uuid16 < 0x1100) + continue; + + if (uuid16 == PNP_INFO_SVCLASS_ID) + continue; + + /* Stop if not enough space to put next UUID */ + if (eir_len + 2 + sizeof(u16) > HCI_MAX_EIR_LENGTH) { + truncated = 1; + break; + } + + /* Check for duplicates */ + for (i = 0; uuid16_list[i] != 0; i++) + if (uuid16_list[i] == uuid16) + break; + + if (uuid16_list[i] == 0) { + uuid16_list[i] = uuid16; + eir_len += sizeof(u16); + } + } + + if (uuid16_list[0] != 0) { + u8 *length = ptr; + + /* EIR Data type */ + ptr[1] = truncated ? EIR_UUID16_SOME : EIR_UUID16_ALL; + + ptr += 2; + eir_len += 2; + + for (i = 0; uuid16_list[i] != 0; i++) { + *ptr++ = (uuid16_list[i] & 0x00ff); + *ptr++ = (uuid16_list[i] & 0xff00) >> 8; + } + + /* EIR Data length */ + *length = (i * sizeof(u16)) + 1; + } +} + +static int update_eir(struct hci_dev *hdev) +{ + struct hci_cp_write_eir cp; + + if (!(hdev->features[6] & LMP_EXT_INQ)) + return 0; + + if (hdev->ssp_mode == 0) + return 0; + + if (test_bit(HCI_SERVICE_CACHE, &hdev->flags)) + return 0; + + memset(&cp, 0, sizeof(cp)); + + create_eir(hdev, cp.data); + + if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0) + return 0; + + memcpy(hdev->eir, cp.data, sizeof(cp.data)); + + return hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp); +} + +static u8 get_service_classes(struct hci_dev *hdev) +{ + struct bt_uuid *uuid; + u8 val = 0; + + list_for_each_entry(uuid, &hdev->uuids, list) + val |= uuid->svc_hint; + + return val; +} + +static int update_class(struct hci_dev *hdev) +{ + u8 cod[3]; + + BT_DBG("%s", hdev->name); + + if (test_bit(HCI_SERVICE_CACHE, &hdev->flags)) + return 0; + + cod[0] = hdev->minor_class; + cod[1] = hdev->major_class; + cod[2] = get_service_classes(hdev); + + if (memcmp(cod, hdev->dev_class, 3) == 0) + return 0; + + return hci_send_cmd(hdev, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod); +} + +static void service_cache_off(struct work_struct *work) +{ + struct hci_dev *hdev = container_of(work, struct hci_dev, + service_cache.work); + + if (!test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->flags)) + return; + + hci_dev_lock(hdev); + + update_eir(hdev); + update_class(hdev); + + hci_dev_unlock(hdev); +} + +static void mgmt_init_hdev(struct hci_dev *hdev) +{ + if (!test_and_set_bit(HCI_MGMT, &hdev->flags)) + INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off); + + if (!test_and_set_bit(HCI_SERVICE_CACHE, &hdev->flags)) + schedule_delayed_work(&hdev->service_cache, + msecs_to_jiffies(SERVICE_CACHE_TIMEOUT)); +} + static int read_controller_info(struct sock *sk, u16 index) { struct mgmt_rp_read_info rp; @@ -173,40 +509,33 @@ static int read_controller_info(struct sock *sk, u16 index) hdev = hci_dev_get(index); if (!hdev) - return cmd_status(sk, index, MGMT_OP_READ_INFO, ENODEV); + return cmd_status(sk, index, MGMT_OP_READ_INFO, + MGMT_STATUS_INVALID_PARAMS); - hci_del_off_timer(hdev); + if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->flags)) + cancel_delayed_work_sync(&hdev->power_off); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); - set_bit(HCI_MGMT, &hdev->flags); + if (test_and_clear_bit(HCI_PI_MGMT_INIT, &hci_pi(sk)->flags)) + mgmt_init_hdev(hdev); memset(&rp, 0, sizeof(rp)); - rp.type = hdev->dev_type; + bacpy(&rp.bdaddr, &hdev->bdaddr); - rp.powered = test_bit(HCI_UP, &hdev->flags); - rp.connectable = test_bit(HCI_PSCAN, &hdev->flags); - rp.discoverable = test_bit(HCI_ISCAN, &hdev->flags); - rp.pairable = test_bit(HCI_PSCAN, &hdev->flags); + rp.version = hdev->hci_ver; - if (test_bit(HCI_AUTH, &hdev->flags)) - rp.sec_mode = 3; - else if (hdev->ssp_mode > 0) - rp.sec_mode = 4; - else - rp.sec_mode = 2; + put_unaligned_le16(hdev->manufacturer, &rp.manufacturer); + + rp.supported_settings = cpu_to_le32(get_supported_settings(hdev)); + rp.current_settings = cpu_to_le32(get_current_settings(hdev)); - bacpy(&rp.bdaddr, &hdev->bdaddr); - memcpy(rp.features, hdev->features, 8); memcpy(rp.dev_class, hdev->dev_class, 3); - put_unaligned_le16(hdev->manufacturer, &rp.manufacturer); - rp.hci_ver = hdev->hci_ver; - put_unaligned_le16(hdev->hci_rev, &rp.hci_rev); memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name)); - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return cmd_complete(sk, index, MGMT_OP_READ_INFO, &rp, sizeof(rp)); @@ -220,7 +549,8 @@ static void mgmt_pending_free(struct pending_cmd *cmd) } static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode, - u16 index, void *data, u16 len) + struct hci_dev *hdev, + void *data, u16 len) { struct pending_cmd *cmd; @@ -229,7 +559,7 @@ static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode, return NULL; cmd->opcode = opcode; - cmd->index = index; + cmd->index = hdev->id; cmd->param = kmalloc(len, GFP_ATOMIC); if (!cmd->param) { @@ -243,48 +573,36 @@ static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode, cmd->sk = sk; sock_hold(sk); - list_add(&cmd->list, &cmd_list); + list_add(&cmd->list, &hdev->mgmt_pending); return cmd; } -static void mgmt_pending_foreach(u16 opcode, int index, +static void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev, void (*cb)(struct pending_cmd *cmd, void *data), void *data) { struct list_head *p, *n; - list_for_each_safe(p, n, &cmd_list) { + list_for_each_safe(p, n, &hdev->mgmt_pending) { struct pending_cmd *cmd; cmd = list_entry(p, struct pending_cmd, list); - if (cmd->opcode != opcode) - continue; - - if (index >= 0 && cmd->index != index) + if (opcode > 0 && cmd->opcode != opcode) continue; cb(cmd, data); } } -static struct pending_cmd *mgmt_pending_find(u16 opcode, int index) +static struct pending_cmd *mgmt_pending_find(u16 opcode, struct hci_dev *hdev) { - struct list_head *p; - - list_for_each(p, &cmd_list) { - struct pending_cmd *cmd; - - cmd = list_entry(p, struct pending_cmd, list); - - if (cmd->opcode != opcode) - continue; - - if (index >= 0 && cmd->index != index) - continue; + struct pending_cmd *cmd; - return cmd; + list_for_each_entry(cmd, &hdev->mgmt_pending, list) { + if (cmd->opcode == opcode) + return cmd; } return NULL; @@ -296,6 +614,13 @@ static void mgmt_pending_remove(struct pending_cmd *cmd) mgmt_pending_free(cmd); } +static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev) +{ + __le32 settings = cpu_to_le32(get_current_settings(hdev)); + + return cmd_complete(sk, hdev->id, opcode, &settings, sizeof(settings)); +} + static int set_powered(struct sock *sk, u16 index, unsigned char *data, u16 len) { struct mgmt_mode *cp; @@ -308,40 +633,43 @@ static int set_powered(struct sock *sk, u16 index, unsigned char *data, u16 len) BT_DBG("request for hci%u", index); if (len != sizeof(*cp)) - return cmd_status(sk, index, MGMT_OP_SET_POWERED, EINVAL); + return cmd_status(sk, index, MGMT_OP_SET_POWERED, + MGMT_STATUS_INVALID_PARAMS); hdev = hci_dev_get(index); if (!hdev) - return cmd_status(sk, index, MGMT_OP_SET_POWERED, ENODEV); + return cmd_status(sk, index, MGMT_OP_SET_POWERED, + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); up = test_bit(HCI_UP, &hdev->flags); if ((cp->val && up) || (!cp->val && !up)) { - err = cmd_status(sk, index, MGMT_OP_SET_POWERED, EALREADY); + err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev); goto failed; } - if (mgmt_pending_find(MGMT_OP_SET_POWERED, index)) { - err = cmd_status(sk, index, MGMT_OP_SET_POWERED, EBUSY); + if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) { + err = cmd_status(sk, index, MGMT_OP_SET_POWERED, + MGMT_STATUS_BUSY); goto failed; } - cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, index, data, len); + cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len); if (!cmd) { err = -ENOMEM; goto failed; } if (cp->val) - queue_work(hdev->workqueue, &hdev->power_on); + schedule_work(&hdev->power_on); else - queue_work(hdev->workqueue, &hdev->power_off); + schedule_work(&hdev->power_off.work); err = 0; failed: - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; } @@ -349,7 +677,7 @@ failed: static int set_discoverable(struct sock *sk, u16 index, unsigned char *data, u16 len) { - struct mgmt_mode *cp; + struct mgmt_cp_set_discoverable *cp; struct hci_dev *hdev; struct pending_cmd *cmd; u8 scan; @@ -360,32 +688,36 @@ static int set_discoverable(struct sock *sk, u16 index, unsigned char *data, BT_DBG("request for hci%u", index); if (len != sizeof(*cp)) - return cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, EINVAL); + return cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, + MGMT_STATUS_INVALID_PARAMS); hdev = hci_dev_get(index); if (!hdev) - return cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, ENODEV); + return cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); if (!test_bit(HCI_UP, &hdev->flags)) { - err = cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, ENETDOWN); + err = cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, + MGMT_STATUS_NOT_POWERED); goto failed; } - if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, index) || - mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, index)) { - err = cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, EBUSY); + if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) || + mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) { + err = cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, + MGMT_STATUS_BUSY); goto failed; } if (cp->val == test_bit(HCI_ISCAN, &hdev->flags) && test_bit(HCI_PSCAN, &hdev->flags)) { - err = cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, EALREADY); + err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev); goto failed; } - cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, index, data, len); + cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len); if (!cmd) { err = -ENOMEM; goto failed; @@ -395,13 +727,18 @@ static int set_discoverable(struct sock *sk, u16 index, unsigned char *data, if (cp->val) scan |= SCAN_INQUIRY; + else + cancel_delayed_work(&hdev->discov_off); err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); if (err < 0) mgmt_pending_remove(cmd); + if (cp->val) + hdev->discov_timeout = get_unaligned_le16(&cp->timeout); + failed: - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; @@ -421,31 +758,35 @@ static int set_connectable(struct sock *sk, u16 index, unsigned char *data, BT_DBG("request for hci%u", index); if (len != sizeof(*cp)) - return cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, EINVAL); + return cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, + MGMT_STATUS_INVALID_PARAMS); hdev = hci_dev_get(index); if (!hdev) - return cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, ENODEV); + return cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); if (!test_bit(HCI_UP, &hdev->flags)) { - err = cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, ENETDOWN); + err = cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, + MGMT_STATUS_NOT_POWERED); goto failed; } - if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, index) || - mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, index)) { - err = cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, EBUSY); + if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) || + mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) { + err = cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, + MGMT_STATUS_BUSY); goto failed; } if (cp->val == test_bit(HCI_PSCAN, &hdev->flags)) { - err = cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, EALREADY); + err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev); goto failed; } - cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, index, data, len); + cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len); if (!cmd) { err = -ENOMEM; goto failed; @@ -461,14 +802,14 @@ static int set_connectable(struct sock *sk, u16 index, unsigned char *data, mgmt_pending_remove(cmd); failed: - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; } -static int mgmt_event(u16 event, u16 index, void *data, u16 data_len, - struct sock *skip_sk) +static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, + u16 data_len, struct sock *skip_sk) { struct sk_buff *skb; struct mgmt_hdr *hdr; @@ -481,7 +822,10 @@ static int mgmt_event(u16 event, u16 index, void *data, u16 data_len, hdr = (void *) skb_put(skb, sizeof(*hdr)); hdr->opcode = cpu_to_le16(event); - hdr->index = cpu_to_le16(index); + if (hdev) + hdr->index = cpu_to_le16(hdev->id); + else + hdr->index = cpu_to_le16(MGMT_INDEX_NONE); hdr->len = cpu_to_le16(data_len); if (data) @@ -493,20 +837,12 @@ static int mgmt_event(u16 event, u16 index, void *data, u16 data_len, return 0; } -static int send_mode_rsp(struct sock *sk, u16 opcode, u16 index, u8 val) -{ - struct mgmt_mode rp; - - rp.val = val; - - return cmd_complete(sk, index, opcode, &rp, sizeof(rp)); -} - static int set_pairable(struct sock *sk, u16 index, unsigned char *data, u16 len) { - struct mgmt_mode *cp, ev; + struct mgmt_mode *cp; struct hci_dev *hdev; + __le32 ev; int err; cp = (void *) data; @@ -514,211 +850,36 @@ static int set_pairable(struct sock *sk, u16 index, unsigned char *data, BT_DBG("request for hci%u", index); if (len != sizeof(*cp)) - return cmd_status(sk, index, MGMT_OP_SET_PAIRABLE, EINVAL); + return cmd_status(sk, index, MGMT_OP_SET_PAIRABLE, + MGMT_STATUS_INVALID_PARAMS); hdev = hci_dev_get(index); if (!hdev) - return cmd_status(sk, index, MGMT_OP_SET_PAIRABLE, ENODEV); + return cmd_status(sk, index, MGMT_OP_SET_PAIRABLE, + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); if (cp->val) set_bit(HCI_PAIRABLE, &hdev->flags); else clear_bit(HCI_PAIRABLE, &hdev->flags); - err = send_mode_rsp(sk, MGMT_OP_SET_PAIRABLE, index, cp->val); + err = send_settings_rsp(sk, MGMT_OP_SET_PAIRABLE, hdev); if (err < 0) goto failed; - ev.val = cp->val; + ev = cpu_to_le32(get_current_settings(hdev)); - err = mgmt_event(MGMT_EV_PAIRABLE, index, &ev, sizeof(ev), sk); + err = mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), sk); failed: - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; } -#define EIR_FLAGS 0x01 /* flags */ -#define EIR_UUID16_SOME 0x02 /* 16-bit UUID, more available */ -#define EIR_UUID16_ALL 0x03 /* 16-bit UUID, all listed */ -#define EIR_UUID32_SOME 0x04 /* 32-bit UUID, more available */ -#define EIR_UUID32_ALL 0x05 /* 32-bit UUID, all listed */ -#define EIR_UUID128_SOME 0x06 /* 128-bit UUID, more available */ -#define EIR_UUID128_ALL 0x07 /* 128-bit UUID, all listed */ -#define EIR_NAME_SHORT 0x08 /* shortened local name */ -#define EIR_NAME_COMPLETE 0x09 /* complete local name */ -#define EIR_TX_POWER 0x0A /* transmit power level */ -#define EIR_DEVICE_ID 0x10 /* device ID */ - -#define PNP_INFO_SVCLASS_ID 0x1200 - -static u8 bluetooth_base_uuid[] = { - 0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, 0x00, 0x80, - 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, -}; - -static u16 get_uuid16(u8 *uuid128) -{ - u32 val; - int i; - - for (i = 0; i < 12; i++) { - if (bluetooth_base_uuid[i] != uuid128[i]) - return 0; - } - - memcpy(&val, &uuid128[12], 4); - - val = le32_to_cpu(val); - if (val > 0xffff) - return 0; - - return (u16) val; -} - -static void create_eir(struct hci_dev *hdev, u8 *data) -{ - u8 *ptr = data; - u16 eir_len = 0; - u16 uuid16_list[HCI_MAX_EIR_LENGTH / sizeof(u16)]; - int i, truncated = 0; - struct list_head *p; - size_t name_len; - - name_len = strlen(hdev->dev_name); - - if (name_len > 0) { - /* EIR Data type */ - if (name_len > 48) { - name_len = 48; - ptr[1] = EIR_NAME_SHORT; - } else - ptr[1] = EIR_NAME_COMPLETE; - - /* EIR Data length */ - ptr[0] = name_len + 1; - - memcpy(ptr + 2, hdev->dev_name, name_len); - - eir_len += (name_len + 2); - ptr += (name_len + 2); - } - - memset(uuid16_list, 0, sizeof(uuid16_list)); - - /* Group all UUID16 types */ - list_for_each(p, &hdev->uuids) { - struct bt_uuid *uuid = list_entry(p, struct bt_uuid, list); - u16 uuid16; - - uuid16 = get_uuid16(uuid->uuid); - if (uuid16 == 0) - return; - - if (uuid16 < 0x1100) - continue; - - if (uuid16 == PNP_INFO_SVCLASS_ID) - continue; - - /* Stop if not enough space to put next UUID */ - if (eir_len + 2 + sizeof(u16) > HCI_MAX_EIR_LENGTH) { - truncated = 1; - break; - } - - /* Check for duplicates */ - for (i = 0; uuid16_list[i] != 0; i++) - if (uuid16_list[i] == uuid16) - break; - - if (uuid16_list[i] == 0) { - uuid16_list[i] = uuid16; - eir_len += sizeof(u16); - } - } - - if (uuid16_list[0] != 0) { - u8 *length = ptr; - - /* EIR Data type */ - ptr[1] = truncated ? EIR_UUID16_SOME : EIR_UUID16_ALL; - - ptr += 2; - eir_len += 2; - - for (i = 0; uuid16_list[i] != 0; i++) { - *ptr++ = (uuid16_list[i] & 0x00ff); - *ptr++ = (uuid16_list[i] & 0xff00) >> 8; - } - - /* EIR Data length */ - *length = (i * sizeof(u16)) + 1; - } -} - -static int update_eir(struct hci_dev *hdev) -{ - struct hci_cp_write_eir cp; - - if (!(hdev->features[6] & LMP_EXT_INQ)) - return 0; - - if (hdev->ssp_mode == 0) - return 0; - - if (test_bit(HCI_SERVICE_CACHE, &hdev->flags)) - return 0; - - memset(&cp, 0, sizeof(cp)); - - create_eir(hdev, cp.data); - - if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0) - return 0; - - memcpy(hdev->eir, cp.data, sizeof(cp.data)); - - return hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp); -} - -static u8 get_service_classes(struct hci_dev *hdev) -{ - struct list_head *p; - u8 val = 0; - - list_for_each(p, &hdev->uuids) { - struct bt_uuid *uuid = list_entry(p, struct bt_uuid, list); - - val |= uuid->svc_hint; - } - - return val; -} - -static int update_class(struct hci_dev *hdev) -{ - u8 cod[3]; - - BT_DBG("%s", hdev->name); - - if (test_bit(HCI_SERVICE_CACHE, &hdev->flags)) - return 0; - - cod[0] = hdev->minor_class; - cod[1] = hdev->major_class; - cod[2] = get_service_classes(hdev); - - if (memcmp(cod, hdev->dev_class, 3) == 0) - return 0; - - return hci_send_cmd(hdev, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod); -} - static int add_uuid(struct sock *sk, u16 index, unsigned char *data, u16 len) { struct mgmt_cp_add_uuid *cp; @@ -731,13 +892,15 @@ static int add_uuid(struct sock *sk, u16 index, unsigned char *data, u16 len) BT_DBG("request for hci%u", index); if (len != sizeof(*cp)) - return cmd_status(sk, index, MGMT_OP_ADD_UUID, EINVAL); + return cmd_status(sk, index, MGMT_OP_ADD_UUID, + MGMT_STATUS_INVALID_PARAMS); hdev = hci_dev_get(index); if (!hdev) - return cmd_status(sk, index, MGMT_OP_ADD_UUID, ENODEV); + return cmd_status(sk, index, MGMT_OP_ADD_UUID, + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); uuid = kmalloc(sizeof(*uuid), GFP_ATOMIC); if (!uuid) { @@ -761,7 +924,7 @@ static int add_uuid(struct sock *sk, u16 index, unsigned char *data, u16 len) err = cmd_complete(sk, index, MGMT_OP_ADD_UUID, NULL, 0); failed: - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; @@ -780,13 +943,15 @@ static int remove_uuid(struct sock *sk, u16 index, unsigned char *data, u16 len) BT_DBG("request for hci%u", index); if (len != sizeof(*cp)) - return cmd_status(sk, index, MGMT_OP_REMOVE_UUID, EINVAL); + return cmd_status(sk, index, MGMT_OP_REMOVE_UUID, + MGMT_STATUS_INVALID_PARAMS); hdev = hci_dev_get(index); if (!hdev) - return cmd_status(sk, index, MGMT_OP_REMOVE_UUID, ENODEV); + return cmd_status(sk, index, MGMT_OP_REMOVE_UUID, + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) { err = hci_uuids_clear(hdev); @@ -806,7 +971,8 @@ static int remove_uuid(struct sock *sk, u16 index, unsigned char *data, u16 len) } if (found == 0) { - err = cmd_status(sk, index, MGMT_OP_REMOVE_UUID, ENOENT); + err = cmd_status(sk, index, MGMT_OP_REMOVE_UUID, + MGMT_STATUS_INVALID_PARAMS); goto unlock; } @@ -821,7 +987,7 @@ static int remove_uuid(struct sock *sk, u16 index, unsigned char *data, u16 len) err = cmd_complete(sk, index, MGMT_OP_REMOVE_UUID, NULL, 0); unlock: - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; @@ -839,97 +1005,71 @@ static int set_dev_class(struct sock *sk, u16 index, unsigned char *data, BT_DBG("request for hci%u", index); if (len != sizeof(*cp)) - return cmd_status(sk, index, MGMT_OP_SET_DEV_CLASS, EINVAL); + return cmd_status(sk, index, MGMT_OP_SET_DEV_CLASS, + MGMT_STATUS_INVALID_PARAMS); hdev = hci_dev_get(index); if (!hdev) - return cmd_status(sk, index, MGMT_OP_SET_DEV_CLASS, ENODEV); + return cmd_status(sk, index, MGMT_OP_SET_DEV_CLASS, + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); hdev->major_class = cp->major; hdev->minor_class = cp->minor; + if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->flags)) { + hci_dev_unlock(hdev); + cancel_delayed_work_sync(&hdev->service_cache); + hci_dev_lock(hdev); + update_eir(hdev); + } + err = update_class(hdev); if (err == 0) err = cmd_complete(sk, index, MGMT_OP_SET_DEV_CLASS, NULL, 0); - hci_dev_unlock_bh(hdev); - hci_dev_put(hdev); - - return err; -} - -static int set_service_cache(struct sock *sk, u16 index, unsigned char *data, - u16 len) -{ - struct hci_dev *hdev; - struct mgmt_cp_set_service_cache *cp; - int err; - - cp = (void *) data; - - if (len != sizeof(*cp)) - return cmd_status(sk, index, MGMT_OP_SET_SERVICE_CACHE, EINVAL); - - hdev = hci_dev_get(index); - if (!hdev) - return cmd_status(sk, index, MGMT_OP_SET_SERVICE_CACHE, ENODEV); - - hci_dev_lock_bh(hdev); - - BT_DBG("hci%u enable %d", index, cp->enable); - - if (cp->enable) { - set_bit(HCI_SERVICE_CACHE, &hdev->flags); - err = 0; - } else { - clear_bit(HCI_SERVICE_CACHE, &hdev->flags); - err = update_class(hdev); - if (err == 0) - err = update_eir(hdev); - } - - if (err == 0) - err = cmd_complete(sk, index, MGMT_OP_SET_SERVICE_CACHE, NULL, - 0); - - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; } -static int load_keys(struct sock *sk, u16 index, unsigned char *data, u16 len) +static int load_link_keys(struct sock *sk, u16 index, unsigned char *data, + u16 len) { struct hci_dev *hdev; - struct mgmt_cp_load_keys *cp; + struct mgmt_cp_load_link_keys *cp; u16 key_count, expected_len; int i; cp = (void *) data; if (len < sizeof(*cp)) - return -EINVAL; + return cmd_status(sk, index, MGMT_OP_LOAD_LINK_KEYS, + MGMT_STATUS_INVALID_PARAMS); key_count = get_unaligned_le16(&cp->key_count); - expected_len = sizeof(*cp) + key_count * sizeof(struct mgmt_key_info); + expected_len = sizeof(*cp) + key_count * + sizeof(struct mgmt_link_key_info); if (expected_len != len) { - BT_ERR("load_keys: expected %u bytes, got %u bytes", + BT_ERR("load_link_keys: expected %u bytes, got %u bytes", len, expected_len); - return -EINVAL; + return cmd_status(sk, index, MGMT_OP_LOAD_LINK_KEYS, + MGMT_STATUS_INVALID_PARAMS); } hdev = hci_dev_get(index); if (!hdev) - return cmd_status(sk, index, MGMT_OP_LOAD_KEYS, ENODEV); + return cmd_status(sk, index, MGMT_OP_LOAD_LINK_KEYS, + MGMT_STATUS_INVALID_PARAMS); BT_DBG("hci%u debug_keys %u key_count %u", index, cp->debug_keys, key_count); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); hci_link_keys_clear(hdev); @@ -941,58 +1081,84 @@ static int load_keys(struct sock *sk, u16 index, unsigned char *data, u16 len) clear_bit(HCI_DEBUG_KEYS, &hdev->flags); for (i = 0; i < key_count; i++) { - struct mgmt_key_info *key = &cp->keys[i]; + struct mgmt_link_key_info *key = &cp->keys[i]; hci_add_link_key(hdev, NULL, 0, &key->bdaddr, key->val, key->type, key->pin_len); } - hci_dev_unlock_bh(hdev); + cmd_complete(sk, index, MGMT_OP_LOAD_LINK_KEYS, NULL, 0); + + hci_dev_unlock(hdev); hci_dev_put(hdev); return 0; } -static int remove_key(struct sock *sk, u16 index, unsigned char *data, u16 len) +static int remove_keys(struct sock *sk, u16 index, unsigned char *data, + u16 len) { struct hci_dev *hdev; - struct mgmt_cp_remove_key *cp; + struct mgmt_cp_remove_keys *cp; + struct mgmt_rp_remove_keys rp; + struct hci_cp_disconnect dc; + struct pending_cmd *cmd; struct hci_conn *conn; int err; cp = (void *) data; if (len != sizeof(*cp)) - return cmd_status(sk, index, MGMT_OP_REMOVE_KEY, EINVAL); + return cmd_status(sk, index, MGMT_OP_REMOVE_KEYS, + MGMT_STATUS_INVALID_PARAMS); hdev = hci_dev_get(index); if (!hdev) - return cmd_status(sk, index, MGMT_OP_REMOVE_KEY, ENODEV); + return cmd_status(sk, index, MGMT_OP_REMOVE_KEYS, + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); + + memset(&rp, 0, sizeof(rp)); + bacpy(&rp.bdaddr, &cp->bdaddr); + rp.status = MGMT_STATUS_FAILED; err = hci_remove_link_key(hdev, &cp->bdaddr); if (err < 0) { - err = cmd_status(sk, index, MGMT_OP_REMOVE_KEY, -err); + rp.status = MGMT_STATUS_NOT_PAIRED; goto unlock; } - err = 0; - - if (!test_bit(HCI_UP, &hdev->flags) || !cp->disconnect) + if (!test_bit(HCI_UP, &hdev->flags) || !cp->disconnect) { + err = cmd_complete(sk, index, MGMT_OP_REMOVE_KEYS, &rp, + sizeof(rp)); goto unlock; + } conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); - if (conn) { - struct hci_cp_disconnect dc; + if (!conn) { + err = cmd_complete(sk, index, MGMT_OP_REMOVE_KEYS, &rp, + sizeof(rp)); + goto unlock; + } - put_unaligned_le16(conn->handle, &dc.handle); - dc.reason = 0x13; /* Remote User Terminated Connection */ - err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc); + cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_KEYS, hdev, cp, sizeof(*cp)); + if (!cmd) { + err = -ENOMEM; + goto unlock; } + put_unaligned_le16(conn->handle, &dc.handle); + dc.reason = 0x13; /* Remote User Terminated Connection */ + err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc); + if (err < 0) + mgmt_pending_remove(cmd); + unlock: - hci_dev_unlock_bh(hdev); + if (err < 0) + err = cmd_complete(sk, index, MGMT_OP_REMOVE_KEYS, &rp, + sizeof(rp)); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; @@ -1012,21 +1178,25 @@ static int disconnect(struct sock *sk, u16 index, unsigned char *data, u16 len) cp = (void *) data; if (len != sizeof(*cp)) - return cmd_status(sk, index, MGMT_OP_DISCONNECT, EINVAL); + return cmd_status(sk, index, MGMT_OP_DISCONNECT, + MGMT_STATUS_INVALID_PARAMS); hdev = hci_dev_get(index); if (!hdev) - return cmd_status(sk, index, MGMT_OP_DISCONNECT, ENODEV); + return cmd_status(sk, index, MGMT_OP_DISCONNECT, + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); if (!test_bit(HCI_UP, &hdev->flags)) { - err = cmd_status(sk, index, MGMT_OP_DISCONNECT, ENETDOWN); + err = cmd_status(sk, index, MGMT_OP_DISCONNECT, + MGMT_STATUS_NOT_POWERED); goto failed; } - if (mgmt_pending_find(MGMT_OP_DISCONNECT, index)) { - err = cmd_status(sk, index, MGMT_OP_DISCONNECT, EBUSY); + if (mgmt_pending_find(MGMT_OP_DISCONNECT, hdev)) { + err = cmd_status(sk, index, MGMT_OP_DISCONNECT, + MGMT_STATUS_BUSY); goto failed; } @@ -1035,11 +1205,12 @@ static int disconnect(struct sock *sk, u16 index, unsigned char *data, u16 len) conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->bdaddr); if (!conn) { - err = cmd_status(sk, index, MGMT_OP_DISCONNECT, ENOTCONN); + err = cmd_status(sk, index, MGMT_OP_DISCONNECT, + MGMT_STATUS_NOT_CONNECTED); goto failed; } - cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, index, data, len); + cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len); if (!cmd) { err = -ENOMEM; goto failed; @@ -1053,16 +1224,36 @@ static int disconnect(struct sock *sk, u16 index, unsigned char *data, u16 len) mgmt_pending_remove(cmd); failed: - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; } +static u8 link_to_mgmt(u8 link_type, u8 addr_type) +{ + switch (link_type) { + case LE_LINK: + switch (addr_type) { + case ADDR_LE_DEV_PUBLIC: + return MGMT_ADDR_LE_PUBLIC; + case ADDR_LE_DEV_RANDOM: + return MGMT_ADDR_LE_RANDOM; + default: + return MGMT_ADDR_INVALID; + } + case ACL_LINK: + return MGMT_ADDR_BREDR; + default: + return MGMT_ADDR_INVALID; + } +} + static int get_connections(struct sock *sk, u16 index) { struct mgmt_rp_get_connections *rp; struct hci_dev *hdev; + struct hci_conn *c; struct list_head *p; size_t rp_len; u16 count; @@ -1072,16 +1263,17 @@ static int get_connections(struct sock *sk, u16 index) hdev = hci_dev_get(index); if (!hdev) - return cmd_status(sk, index, MGMT_OP_GET_CONNECTIONS, ENODEV); + return cmd_status(sk, index, MGMT_OP_GET_CONNECTIONS, + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); count = 0; list_for_each(p, &hdev->conn_hash.list) { count++; } - rp_len = sizeof(*rp) + (count * sizeof(bdaddr_t)); + rp_len = sizeof(*rp) + (count * sizeof(struct mgmt_addr_info)); rp = kmalloc(rp_len, GFP_ATOMIC); if (!rp) { err = -ENOMEM; @@ -1091,17 +1283,22 @@ static int get_connections(struct sock *sk, u16 index) put_unaligned_le16(count, &rp->conn_count); i = 0; - list_for_each(p, &hdev->conn_hash.list) { - struct hci_conn *c = list_entry(p, struct hci_conn, list); - - bacpy(&rp->conn[i++], &c->dst); + list_for_each_entry(c, &hdev->conn_hash.list, list) { + bacpy(&rp->addr[i].bdaddr, &c->dst); + rp->addr[i].type = link_to_mgmt(c->type, c->dst_type); + if (rp->addr[i].type == MGMT_ADDR_INVALID) + continue; + i++; } + /* Recalculate length in case of filtered SCO connections, etc */ + rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info)); + err = cmd_complete(sk, index, MGMT_OP_GET_CONNECTIONS, rp, rp_len); unlock: kfree(rp); - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; } @@ -1112,7 +1309,7 @@ static int send_pin_code_neg_reply(struct sock *sk, u16 index, struct pending_cmd *cmd; int err; - cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, index, cp, + cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp, sizeof(*cp)); if (!cmd) return -ENOMEM; @@ -1141,22 +1338,26 @@ static int pin_code_reply(struct sock *sk, u16 index, unsigned char *data, cp = (void *) data; if (len != sizeof(*cp)) - return cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, EINVAL); + return cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, + MGMT_STATUS_INVALID_PARAMS); hdev = hci_dev_get(index); if (!hdev) - return cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, ENODEV); + return cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); if (!test_bit(HCI_UP, &hdev->flags)) { - err = cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, ENETDOWN); + err = cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, + MGMT_STATUS_NOT_POWERED); goto failed; } conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); if (!conn) { - err = cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, ENOTCONN); + err = cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, + MGMT_STATUS_NOT_CONNECTED); goto failed; } @@ -1168,12 +1369,12 @@ static int pin_code_reply(struct sock *sk, u16 index, unsigned char *data, err = send_pin_code_neg_reply(sk, index, hdev, &ncp); if (err >= 0) err = cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, - EINVAL); + MGMT_STATUS_INVALID_PARAMS); goto failed; } - cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, index, data, len); + cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len); if (!cmd) { err = -ENOMEM; goto failed; @@ -1188,7 +1389,7 @@ static int pin_code_reply(struct sock *sk, u16 index, unsigned char *data, mgmt_pending_remove(cmd); failed: - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; @@ -1207,25 +1408,25 @@ static int pin_code_neg_reply(struct sock *sk, u16 index, unsigned char *data, if (len != sizeof(*cp)) return cmd_status(sk, index, MGMT_OP_PIN_CODE_NEG_REPLY, - EINVAL); + MGMT_STATUS_INVALID_PARAMS); hdev = hci_dev_get(index); if (!hdev) return cmd_status(sk, index, MGMT_OP_PIN_CODE_NEG_REPLY, - ENODEV); + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); if (!test_bit(HCI_UP, &hdev->flags)) { err = cmd_status(sk, index, MGMT_OP_PIN_CODE_NEG_REPLY, - ENETDOWN); + MGMT_STATUS_NOT_POWERED); goto failed; } err = send_pin_code_neg_reply(sk, index, hdev, cp); failed: - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; @@ -1242,20 +1443,22 @@ static int set_io_capability(struct sock *sk, u16 index, unsigned char *data, cp = (void *) data; if (len != sizeof(*cp)) - return cmd_status(sk, index, MGMT_OP_SET_IO_CAPABILITY, EINVAL); + return cmd_status(sk, index, MGMT_OP_SET_IO_CAPABILITY, + MGMT_STATUS_INVALID_PARAMS); hdev = hci_dev_get(index); if (!hdev) - return cmd_status(sk, index, MGMT_OP_SET_IO_CAPABILITY, ENODEV); + return cmd_status(sk, index, MGMT_OP_SET_IO_CAPABILITY, + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); hdev->io_capability = cp->io_capability; BT_DBG("%s IO capability set to 0x%02x", hdev->name, hdev->io_capability); - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return cmd_complete(sk, index, MGMT_OP_SET_IO_CAPABILITY, NULL, 0); @@ -1264,19 +1467,12 @@ static int set_io_capability(struct sock *sk, u16 index, unsigned char *data, static inline struct pending_cmd *find_pairing(struct hci_conn *conn) { struct hci_dev *hdev = conn->hdev; - struct list_head *p; - - list_for_each(p, &cmd_list) { - struct pending_cmd *cmd; - - cmd = list_entry(p, struct pending_cmd, list); + struct pending_cmd *cmd; + list_for_each_entry(cmd, &hdev->mgmt_pending, list) { if (cmd->opcode != MGMT_OP_PAIR_DEVICE) continue; - if (cmd->index != hdev->id) - continue; - if (cmd->user_data != conn) continue; @@ -1291,7 +1487,8 @@ static void pairing_complete(struct pending_cmd *cmd, u8 status) struct mgmt_rp_pair_device rp; struct hci_conn *conn = cmd->user_data; - bacpy(&rp.bdaddr, &conn->dst); + bacpy(&rp.addr.bdaddr, &conn->dst); + rp.addr.type = link_to_mgmt(conn->type, conn->dst_type); rp.status = status; cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, &rp, sizeof(rp)); @@ -1313,20 +1510,18 @@ static void pairing_complete_cb(struct hci_conn *conn, u8 status) BT_DBG("status %u", status); cmd = find_pairing(conn); - if (!cmd) { + if (!cmd) BT_DBG("Unable to find a pending command"); - return; - } - - pairing_complete(cmd, status); + else + pairing_complete(cmd, status); } static int pair_device(struct sock *sk, u16 index, unsigned char *data, u16 len) { struct hci_dev *hdev; struct mgmt_cp_pair_device *cp; + struct mgmt_rp_pair_device rp; struct pending_cmd *cmd; - struct adv_entry *entry; u8 sec_level, auth_type; struct hci_conn *conn; int err; @@ -1336,13 +1531,15 @@ static int pair_device(struct sock *sk, u16 index, unsigned char *data, u16 len) cp = (void *) data; if (len != sizeof(*cp)) - return cmd_status(sk, index, MGMT_OP_PAIR_DEVICE, EINVAL); + return cmd_status(sk, index, MGMT_OP_PAIR_DEVICE, + MGMT_STATUS_INVALID_PARAMS); hdev = hci_dev_get(index); if (!hdev) - return cmd_status(sk, index, MGMT_OP_PAIR_DEVICE, ENODEV); + return cmd_status(sk, index, MGMT_OP_PAIR_DEVICE, + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); sec_level = BT_SECURITY_MEDIUM; if (cp->io_cap == 0x03) @@ -1350,26 +1547,33 @@ static int pair_device(struct sock *sk, u16 index, unsigned char *data, u16 len) else auth_type = HCI_AT_DEDICATED_BONDING_MITM; - entry = hci_find_adv_entry(hdev, &cp->bdaddr); - if (entry) - conn = hci_connect(hdev, LE_LINK, &cp->bdaddr, sec_level, + if (cp->addr.type == MGMT_ADDR_BREDR) + conn = hci_connect(hdev, ACL_LINK, &cp->addr.bdaddr, sec_level, auth_type); else - conn = hci_connect(hdev, ACL_LINK, &cp->bdaddr, sec_level, + conn = hci_connect(hdev, LE_LINK, &cp->addr.bdaddr, sec_level, auth_type); + memset(&rp, 0, sizeof(rp)); + bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); + rp.addr.type = cp->addr.type; + if (IS_ERR(conn)) { - err = PTR_ERR(conn); + rp.status = -PTR_ERR(conn); + err = cmd_complete(sk, index, MGMT_OP_PAIR_DEVICE, + &rp, sizeof(rp)); goto unlock; } if (conn->connect_cfm_cb) { hci_conn_put(conn); - err = cmd_status(sk, index, MGMT_OP_PAIR_DEVICE, EBUSY); + rp.status = EBUSY; + err = cmd_complete(sk, index, MGMT_OP_PAIR_DEVICE, + &rp, sizeof(rp)); goto unlock; } - cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, index, data, len); + cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len); if (!cmd) { err = -ENOMEM; hci_conn_put(conn); @@ -1377,7 +1581,7 @@ static int pair_device(struct sock *sk, u16 index, unsigned char *data, u16 len) } /* For LE, just connecting isn't a proof that the pairing finished */ - if (!entry) + if (cp->addr.type == MGMT_ADDR_BREDR) conn->connect_cfm_cb = pairing_complete_cb; conn->security_cfm_cb = pairing_complete_cb; @@ -1392,62 +1596,144 @@ static int pair_device(struct sock *sk, u16 index, unsigned char *data, u16 len) err = 0; unlock: - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; } -static int user_confirm_reply(struct sock *sk, u16 index, unsigned char *data, - u16 len, int success) +static int user_pairing_resp(struct sock *sk, u16 index, bdaddr_t *bdaddr, + u16 mgmt_op, u16 hci_op, __le32 passkey) { - struct mgmt_cp_user_confirm_reply *cp = (void *) data; - u16 mgmt_op, hci_op; struct pending_cmd *cmd; struct hci_dev *hdev; + struct hci_conn *conn; int err; - BT_DBG(""); - - if (success) { - mgmt_op = MGMT_OP_USER_CONFIRM_REPLY; - hci_op = HCI_OP_USER_CONFIRM_REPLY; - } else { - mgmt_op = MGMT_OP_USER_CONFIRM_NEG_REPLY; - hci_op = HCI_OP_USER_CONFIRM_NEG_REPLY; - } - - if (len != sizeof(*cp)) - return cmd_status(sk, index, mgmt_op, EINVAL); - hdev = hci_dev_get(index); if (!hdev) - return cmd_status(sk, index, mgmt_op, ENODEV); + return cmd_status(sk, index, mgmt_op, + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); if (!test_bit(HCI_UP, &hdev->flags)) { - err = cmd_status(sk, index, mgmt_op, ENETDOWN); - goto failed; + err = cmd_status(sk, index, mgmt_op, MGMT_STATUS_NOT_POWERED); + goto done; + } + + /* + * Check for an existing ACL link, if present pair via + * HCI commands. + * + * If no ACL link is present, check for an LE link and if + * present, pair via the SMP engine. + * + * If neither ACL nor LE links are present, fail with error. + */ + conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, bdaddr); + if (!conn) { + conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, bdaddr); + if (!conn) { + err = cmd_status(sk, index, mgmt_op, + MGMT_STATUS_NOT_CONNECTED); + goto done; + } + + /* Continue with pairing via SMP */ + + err = cmd_status(sk, index, mgmt_op, MGMT_STATUS_SUCCESS); + goto done; } - cmd = mgmt_pending_add(sk, mgmt_op, index, data, len); + cmd = mgmt_pending_add(sk, mgmt_op, hdev, bdaddr, sizeof(*bdaddr)); if (!cmd) { err = -ENOMEM; - goto failed; + goto done; } - err = hci_send_cmd(hdev, hci_op, sizeof(cp->bdaddr), &cp->bdaddr); + /* Continue with pairing via HCI */ + if (hci_op == HCI_OP_USER_PASSKEY_REPLY) { + struct hci_cp_user_passkey_reply cp; + + bacpy(&cp.bdaddr, bdaddr); + cp.passkey = passkey; + err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp); + } else + err = hci_send_cmd(hdev, hci_op, sizeof(*bdaddr), bdaddr); + if (err < 0) mgmt_pending_remove(cmd); -failed: - hci_dev_unlock_bh(hdev); +done: + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; } +static int user_confirm_reply(struct sock *sk, u16 index, void *data, u16 len) +{ + struct mgmt_cp_user_confirm_reply *cp = (void *) data; + + BT_DBG(""); + + if (len != sizeof(*cp)) + return cmd_status(sk, index, MGMT_OP_USER_CONFIRM_REPLY, + MGMT_STATUS_INVALID_PARAMS); + + return user_pairing_resp(sk, index, &cp->bdaddr, + MGMT_OP_USER_CONFIRM_REPLY, + HCI_OP_USER_CONFIRM_REPLY, 0); +} + +static int user_confirm_neg_reply(struct sock *sk, u16 index, void *data, + u16 len) +{ + struct mgmt_cp_user_confirm_neg_reply *cp = data; + + BT_DBG(""); + + if (len != sizeof(*cp)) + return cmd_status(sk, index, MGMT_OP_USER_CONFIRM_NEG_REPLY, + MGMT_STATUS_INVALID_PARAMS); + + return user_pairing_resp(sk, index, &cp->bdaddr, + MGMT_OP_USER_CONFIRM_NEG_REPLY, + HCI_OP_USER_CONFIRM_NEG_REPLY, 0); +} + +static int user_passkey_reply(struct sock *sk, u16 index, void *data, u16 len) +{ + struct mgmt_cp_user_passkey_reply *cp = (void *) data; + + BT_DBG(""); + + if (len != sizeof(*cp)) + return cmd_status(sk, index, MGMT_OP_USER_PASSKEY_REPLY, + EINVAL); + + return user_pairing_resp(sk, index, &cp->bdaddr, + MGMT_OP_USER_PASSKEY_REPLY, + HCI_OP_USER_PASSKEY_REPLY, cp->passkey); +} + +static int user_passkey_neg_reply(struct sock *sk, u16 index, void *data, + u16 len) +{ + struct mgmt_cp_user_passkey_neg_reply *cp = (void *) data; + + BT_DBG(""); + + if (len != sizeof(*cp)) + return cmd_status(sk, index, MGMT_OP_USER_PASSKEY_NEG_REPLY, + EINVAL); + + return user_pairing_resp(sk, index, &cp->bdaddr, + MGMT_OP_USER_PASSKEY_NEG_REPLY, + HCI_OP_USER_PASSKEY_NEG_REPLY, 0); +} + static int set_local_name(struct sock *sk, u16 index, unsigned char *data, u16 len) { @@ -1460,15 +1746,17 @@ static int set_local_name(struct sock *sk, u16 index, unsigned char *data, BT_DBG(""); if (len != sizeof(*mgmt_cp)) - return cmd_status(sk, index, MGMT_OP_SET_LOCAL_NAME, EINVAL); + return cmd_status(sk, index, MGMT_OP_SET_LOCAL_NAME, + MGMT_STATUS_INVALID_PARAMS); hdev = hci_dev_get(index); if (!hdev) - return cmd_status(sk, index, MGMT_OP_SET_LOCAL_NAME, ENODEV); + return cmd_status(sk, index, MGMT_OP_SET_LOCAL_NAME, + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); - cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, index, data, len); + cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len); if (!cmd) { err = -ENOMEM; goto failed; @@ -1481,7 +1769,7 @@ static int set_local_name(struct sock *sk, u16 index, unsigned char *data, mgmt_pending_remove(cmd); failed: - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; @@ -1498,28 +1786,29 @@ static int read_local_oob_data(struct sock *sk, u16 index) hdev = hci_dev_get(index); if (!hdev) return cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA, - ENODEV); + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); if (!test_bit(HCI_UP, &hdev->flags)) { err = cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA, - ENETDOWN); + MGMT_STATUS_NOT_POWERED); goto unlock; } if (!(hdev->features[6] & LMP_SIMPLE_PAIR)) { err = cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA, - EOPNOTSUPP); + MGMT_STATUS_NOT_SUPPORTED); goto unlock; } - if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, index)) { - err = cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA, EBUSY); + if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) { + err = cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA, + MGMT_STATUS_BUSY); goto unlock; } - cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, index, NULL, 0); + cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0); if (!cmd) { err = -ENOMEM; goto unlock; @@ -1530,7 +1819,7 @@ static int read_local_oob_data(struct sock *sk, u16 index) mgmt_pending_remove(cmd); unlock: - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; @@ -1547,24 +1836,25 @@ static int add_remote_oob_data(struct sock *sk, u16 index, unsigned char *data, if (len != sizeof(*cp)) return cmd_status(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA, - EINVAL); + MGMT_STATUS_INVALID_PARAMS); hdev = hci_dev_get(index); if (!hdev) return cmd_status(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA, - ENODEV); + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); err = hci_add_remote_oob_data(hdev, &cp->bdaddr, cp->hash, cp->randomizer); if (err < 0) - err = cmd_status(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA, -err); + err = cmd_status(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA, + MGMT_STATUS_FAILED); else err = cmd_complete(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA, NULL, 0); - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; @@ -1581,62 +1871,68 @@ static int remove_remote_oob_data(struct sock *sk, u16 index, if (len != sizeof(*cp)) return cmd_status(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA, - EINVAL); + MGMT_STATUS_INVALID_PARAMS); hdev = hci_dev_get(index); if (!hdev) return cmd_status(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA, - ENODEV); + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); err = hci_remove_remote_oob_data(hdev, &cp->bdaddr); if (err < 0) err = cmd_status(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA, - -err); + MGMT_STATUS_INVALID_PARAMS); else err = cmd_complete(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA, NULL, 0); - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; } -static int start_discovery(struct sock *sk, u16 index) +static int start_discovery(struct sock *sk, u16 index, + unsigned char *data, u16 len) { - u8 lap[3] = { 0x33, 0x8b, 0x9e }; - struct hci_cp_inquiry cp; + struct mgmt_cp_start_discovery *cp = (void *) data; struct pending_cmd *cmd; struct hci_dev *hdev; int err; BT_DBG("hci%u", index); + if (len != sizeof(*cp)) + return cmd_status(sk, index, MGMT_OP_START_DISCOVERY, + MGMT_STATUS_INVALID_PARAMS); + hdev = hci_dev_get(index); if (!hdev) - return cmd_status(sk, index, MGMT_OP_START_DISCOVERY, ENODEV); + return cmd_status(sk, index, MGMT_OP_START_DISCOVERY, + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); - cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, index, NULL, 0); + if (!test_bit(HCI_UP, &hdev->flags)) { + err = cmd_status(sk, index, MGMT_OP_START_DISCOVERY, + MGMT_STATUS_NOT_POWERED); + goto failed; + } + + cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, NULL, 0); if (!cmd) { err = -ENOMEM; goto failed; } - memset(&cp, 0, sizeof(cp)); - memcpy(&cp.lap, lap, 3); - cp.length = 0x08; - cp.num_rsp = 0x00; - - err = hci_send_cmd(hdev, HCI_OP_INQUIRY, sizeof(cp), &cp); + err = hci_do_inquiry(hdev, INQUIRY_LEN_BREDR); if (err < 0) mgmt_pending_remove(cmd); failed: - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; @@ -1652,22 +1948,23 @@ static int stop_discovery(struct sock *sk, u16 index) hdev = hci_dev_get(index); if (!hdev) - return cmd_status(sk, index, MGMT_OP_STOP_DISCOVERY, ENODEV); + return cmd_status(sk, index, MGMT_OP_STOP_DISCOVERY, + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); - cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, index, NULL, 0); + cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, NULL, 0); if (!cmd) { err = -ENOMEM; goto failed; } - err = hci_send_cmd(hdev, HCI_OP_INQUIRY_CANCEL, 0, NULL); + err = hci_cancel_inquiry(hdev); if (err < 0) mgmt_pending_remove(cmd); failed: - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; @@ -1677,7 +1974,6 @@ static int block_device(struct sock *sk, u16 index, unsigned char *data, u16 len) { struct hci_dev *hdev; - struct pending_cmd *cmd; struct mgmt_cp_block_device *cp = (void *) data; int err; @@ -1685,33 +1981,24 @@ static int block_device(struct sock *sk, u16 index, unsigned char *data, if (len != sizeof(*cp)) return cmd_status(sk, index, MGMT_OP_BLOCK_DEVICE, - EINVAL); + MGMT_STATUS_INVALID_PARAMS); hdev = hci_dev_get(index); if (!hdev) return cmd_status(sk, index, MGMT_OP_BLOCK_DEVICE, - ENODEV); + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); - - cmd = mgmt_pending_add(sk, MGMT_OP_BLOCK_DEVICE, index, NULL, 0); - if (!cmd) { - err = -ENOMEM; - goto failed; - } + hci_dev_lock(hdev); err = hci_blacklist_add(hdev, &cp->bdaddr); - if (err < 0) - err = cmd_status(sk, index, MGMT_OP_BLOCK_DEVICE, -err); + err = cmd_status(sk, index, MGMT_OP_BLOCK_DEVICE, + MGMT_STATUS_FAILED); else err = cmd_complete(sk, index, MGMT_OP_BLOCK_DEVICE, NULL, 0); - mgmt_pending_remove(cmd); - -failed: - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; @@ -1721,7 +2008,6 @@ static int unblock_device(struct sock *sk, u16 index, unsigned char *data, u16 len) { struct hci_dev *hdev; - struct pending_cmd *cmd; struct mgmt_cp_unblock_device *cp = (void *) data; int err; @@ -1729,33 +2015,25 @@ static int unblock_device(struct sock *sk, u16 index, unsigned char *data, if (len != sizeof(*cp)) return cmd_status(sk, index, MGMT_OP_UNBLOCK_DEVICE, - EINVAL); + MGMT_STATUS_INVALID_PARAMS); hdev = hci_dev_get(index); if (!hdev) return cmd_status(sk, index, MGMT_OP_UNBLOCK_DEVICE, - ENODEV); + MGMT_STATUS_INVALID_PARAMS); - hci_dev_lock_bh(hdev); - - cmd = mgmt_pending_add(sk, MGMT_OP_UNBLOCK_DEVICE, index, NULL, 0); - if (!cmd) { - err = -ENOMEM; - goto failed; - } + hci_dev_lock(hdev); err = hci_blacklist_del(hdev, &cp->bdaddr); if (err < 0) - err = cmd_status(sk, index, MGMT_OP_UNBLOCK_DEVICE, -err); + err = cmd_status(sk, index, MGMT_OP_UNBLOCK_DEVICE, + MGMT_STATUS_INVALID_PARAMS); else err = cmd_complete(sk, index, MGMT_OP_UNBLOCK_DEVICE, NULL, 0); - mgmt_pending_remove(cmd); - -failed: - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; @@ -1765,7 +2043,7 @@ static int set_fast_connectable(struct sock *sk, u16 index, unsigned char *data, u16 len) { struct hci_dev *hdev; - struct mgmt_cp_set_fast_connectable *cp = (void *) data; + struct mgmt_mode *cp = (void *) data; struct hci_cp_write_page_scan_activity acp; u8 type; int err; @@ -1774,16 +2052,16 @@ static int set_fast_connectable(struct sock *sk, u16 index, if (len != sizeof(*cp)) return cmd_status(sk, index, MGMT_OP_SET_FAST_CONNECTABLE, - EINVAL); + MGMT_STATUS_INVALID_PARAMS); hdev = hci_dev_get(index); if (!hdev) return cmd_status(sk, index, MGMT_OP_SET_FAST_CONNECTABLE, - ENODEV); + MGMT_STATUS_INVALID_PARAMS); hci_dev_lock(hdev); - if (cp->enable) { + if (cp->val) { type = PAGE_SCAN_TYPE_INTERLACED; acp.interval = 0x0024; /* 22.5 msec page scan interval */ } else { @@ -1797,14 +2075,14 @@ static int set_fast_connectable(struct sock *sk, u16 index, sizeof(acp), &acp); if (err < 0) { err = cmd_status(sk, index, MGMT_OP_SET_FAST_CONNECTABLE, - -err); + MGMT_STATUS_FAILED); goto done; } err = hci_send_cmd(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type); if (err < 0) { err = cmd_status(sk, index, MGMT_OP_SET_FAST_CONNECTABLE, - -err); + MGMT_STATUS_FAILED); goto done; } @@ -1867,6 +2145,10 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen) case MGMT_OP_SET_CONNECTABLE: err = set_connectable(sk, index, buf + sizeof(*hdr), len); break; + case MGMT_OP_SET_FAST_CONNECTABLE: + err = set_fast_connectable(sk, index, buf + sizeof(*hdr), + len); + break; case MGMT_OP_SET_PAIRABLE: err = set_pairable(sk, index, buf + sizeof(*hdr), len); break; @@ -1879,14 +2161,11 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen) case MGMT_OP_SET_DEV_CLASS: err = set_dev_class(sk, index, buf + sizeof(*hdr), len); break; - case MGMT_OP_SET_SERVICE_CACHE: - err = set_service_cache(sk, index, buf + sizeof(*hdr), len); - break; - case MGMT_OP_LOAD_KEYS: - err = load_keys(sk, index, buf + sizeof(*hdr), len); + case MGMT_OP_LOAD_LINK_KEYS: + err = load_link_keys(sk, index, buf + sizeof(*hdr), len); break; - case MGMT_OP_REMOVE_KEY: - err = remove_key(sk, index, buf + sizeof(*hdr), len); + case MGMT_OP_REMOVE_KEYS: + err = remove_keys(sk, index, buf + sizeof(*hdr), len); break; case MGMT_OP_DISCONNECT: err = disconnect(sk, index, buf + sizeof(*hdr), len); @@ -1907,10 +2186,18 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen) err = pair_device(sk, index, buf + sizeof(*hdr), len); break; case MGMT_OP_USER_CONFIRM_REPLY: - err = user_confirm_reply(sk, index, buf + sizeof(*hdr), len, 1); + err = user_confirm_reply(sk, index, buf + sizeof(*hdr), len); break; case MGMT_OP_USER_CONFIRM_NEG_REPLY: - err = user_confirm_reply(sk, index, buf + sizeof(*hdr), len, 0); + err = user_confirm_neg_reply(sk, index, buf + sizeof(*hdr), + len); + break; + case MGMT_OP_USER_PASSKEY_REPLY: + err = user_passkey_reply(sk, index, buf + sizeof(*hdr), len); + break; + case MGMT_OP_USER_PASSKEY_NEG_REPLY: + err = user_passkey_neg_reply(sk, index, buf + sizeof(*hdr), + len); break; case MGMT_OP_SET_LOCAL_NAME: err = set_local_name(sk, index, buf + sizeof(*hdr), len); @@ -1926,7 +2213,7 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen) len); break; case MGMT_OP_START_DISCOVERY: - err = start_discovery(sk, index); + err = start_discovery(sk, index, buf + sizeof(*hdr), len); break; case MGMT_OP_STOP_DISCOVERY: err = stop_discovery(sk, index); @@ -1937,13 +2224,10 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen) case MGMT_OP_UNBLOCK_DEVICE: err = unblock_device(sk, index, buf + sizeof(*hdr), len); break; - case MGMT_OP_SET_FAST_CONNECTABLE: - err = set_fast_connectable(sk, index, buf + sizeof(*hdr), - len); - break; default: BT_DBG("Unknown op %u", opcode); - err = cmd_status(sk, index, opcode, 0x01); + err = cmd_status(sk, index, opcode, + MGMT_STATUS_UNKNOWN_COMMAND); break; } @@ -1957,30 +2241,39 @@ done: return err; } -int mgmt_index_added(u16 index) +static void cmd_status_rsp(struct pending_cmd *cmd, void *data) { - return mgmt_event(MGMT_EV_INDEX_ADDED, index, NULL, 0, NULL); + u8 *status = data; + + cmd_status(cmd->sk, cmd->index, cmd->opcode, *status); + mgmt_pending_remove(cmd); } -int mgmt_index_removed(u16 index) +int mgmt_index_added(struct hci_dev *hdev) { - return mgmt_event(MGMT_EV_INDEX_REMOVED, index, NULL, 0, NULL); + return mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL); +} + +int mgmt_index_removed(struct hci_dev *hdev) +{ + u8 status = ENODEV; + + mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status); + + return mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL); } struct cmd_lookup { u8 val; struct sock *sk; + struct hci_dev *hdev; }; -static void mode_rsp(struct pending_cmd *cmd, void *data) +static void settings_rsp(struct pending_cmd *cmd, void *data) { - struct mgmt_mode *cp = cmd->param; struct cmd_lookup *match = data; - if (cp->val != match->val) - return; - - send_mode_rsp(cmd->sk, cmd->opcode, cmd->index, cp->val); + send_settings_rsp(cmd->sk, cmd->opcode, match->hdev); list_del(&cmd->list); @@ -1992,17 +2285,23 @@ static void mode_rsp(struct pending_cmd *cmd, void *data) mgmt_pending_free(cmd); } -int mgmt_powered(u16 index, u8 powered) +int mgmt_powered(struct hci_dev *hdev, u8 powered) { - struct mgmt_mode ev; - struct cmd_lookup match = { powered, NULL }; + struct cmd_lookup match = { powered, NULL, hdev }; + __le32 ev; int ret; - mgmt_pending_foreach(MGMT_OP_SET_POWERED, index, mode_rsp, &match); + mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match); - ev.val = powered; + if (!powered) { + u8 status = ENETDOWN; + mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status); + } + + ev = cpu_to_le32(get_current_settings(hdev)); - ret = mgmt_event(MGMT_EV_POWERED, index, &ev, sizeof(ev), match.sk); + ret = mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), + match.sk); if (match.sk) sock_put(match.sk); @@ -2010,36 +2309,36 @@ int mgmt_powered(u16 index, u8 powered) return ret; } -int mgmt_discoverable(u16 index, u8 discoverable) +int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable) { - struct mgmt_mode ev; - struct cmd_lookup match = { discoverable, NULL }; + struct cmd_lookup match = { discoverable, NULL, hdev }; + __le32 ev; int ret; - mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, index, mode_rsp, &match); + mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, hdev, settings_rsp, &match); - ev.val = discoverable; + ev = cpu_to_le32(get_current_settings(hdev)); - ret = mgmt_event(MGMT_EV_DISCOVERABLE, index, &ev, sizeof(ev), + ret = mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), match.sk); - if (match.sk) sock_put(match.sk); return ret; } -int mgmt_connectable(u16 index, u8 connectable) +int mgmt_connectable(struct hci_dev *hdev, u8 connectable) { - struct mgmt_mode ev; - struct cmd_lookup match = { connectable, NULL }; + __le32 ev; + struct cmd_lookup match = { connectable, NULL, hdev }; int ret; - mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, index, mode_rsp, &match); + mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, hdev, settings_rsp, + &match); - ev.val = connectable; + ev = cpu_to_le32(get_current_settings(hdev)); - ret = mgmt_event(MGMT_EV_CONNECTABLE, index, &ev, sizeof(ev), match.sk); + ret = mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), match.sk); if (match.sk) sock_put(match.sk); @@ -2047,9 +2346,25 @@ int mgmt_connectable(u16 index, u8 connectable) return ret; } -int mgmt_new_key(u16 index, struct link_key *key, u8 persistent) +int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status) +{ + u8 mgmt_err = mgmt_status(status); + + if (scan & SCAN_PAGE) + mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, hdev, + cmd_status_rsp, &mgmt_err); + + if (scan & SCAN_INQUIRY) + mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, hdev, + cmd_status_rsp, &mgmt_err); + + return 0; +} + +int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, + u8 persistent) { - struct mgmt_ev_new_key ev; + struct mgmt_ev_new_link_key ev; memset(&ev, 0, sizeof(ev)); @@ -2059,17 +2374,18 @@ int mgmt_new_key(u16 index, struct link_key *key, u8 persistent) memcpy(ev.key.val, key->val, 16); ev.key.pin_len = key->pin_len; - return mgmt_event(MGMT_EV_NEW_KEY, index, &ev, sizeof(ev), NULL); + return mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL); } -int mgmt_connected(u16 index, bdaddr_t *bdaddr, u8 link_type) +int mgmt_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, + u8 addr_type) { - struct mgmt_ev_connected ev; + struct mgmt_addr_info ev; bacpy(&ev.bdaddr, bdaddr); - ev.link_type = link_type; + ev.type = link_to_mgmt(link_type, addr_type); - return mgmt_event(MGMT_EV_CONNECTED, index, &ev, sizeof(ev), NULL); + return mgmt_event(MGMT_EV_CONNECTED, hdev, &ev, sizeof(ev), NULL); } static void disconnect_rsp(struct pending_cmd *cmd, void *data) @@ -2079,6 +2395,7 @@ static void disconnect_rsp(struct pending_cmd *cmd, void *data) struct mgmt_rp_disconnect rp; bacpy(&rp.bdaddr, &cp->bdaddr); + rp.status = 0; cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, &rp, sizeof(rp)); @@ -2088,75 +2405,110 @@ static void disconnect_rsp(struct pending_cmd *cmd, void *data) mgmt_pending_remove(cmd); } -int mgmt_disconnected(u16 index, bdaddr_t *bdaddr) +static void remove_keys_rsp(struct pending_cmd *cmd, void *data) +{ + u8 *status = data; + struct mgmt_cp_remove_keys *cp = cmd->param; + struct mgmt_rp_remove_keys rp; + + memset(&rp, 0, sizeof(rp)); + bacpy(&rp.bdaddr, &cp->bdaddr); + if (status != NULL) + rp.status = *status; + + cmd_complete(cmd->sk, cmd->index, MGMT_OP_REMOVE_KEYS, &rp, + sizeof(rp)); + + mgmt_pending_remove(cmd); +} + +int mgmt_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, + u8 addr_type) { - struct mgmt_ev_disconnected ev; + struct mgmt_addr_info ev; struct sock *sk = NULL; int err; - mgmt_pending_foreach(MGMT_OP_DISCONNECT, index, disconnect_rsp, &sk); + mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk); bacpy(&ev.bdaddr, bdaddr); + ev.type = link_to_mgmt(link_type, addr_type); - err = mgmt_event(MGMT_EV_DISCONNECTED, index, &ev, sizeof(ev), sk); + err = mgmt_event(MGMT_EV_DISCONNECTED, hdev, &ev, sizeof(ev), sk); if (sk) sock_put(sk); + mgmt_pending_foreach(MGMT_OP_REMOVE_KEYS, hdev, remove_keys_rsp, NULL); + return err; } -int mgmt_disconnect_failed(u16 index) +int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status) { struct pending_cmd *cmd; + u8 mgmt_err = mgmt_status(status); int err; - cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, index); + cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, hdev); if (!cmd) return -ENOENT; - err = cmd_status(cmd->sk, index, MGMT_OP_DISCONNECT, EIO); + if (bdaddr) { + struct mgmt_rp_disconnect rp; + + bacpy(&rp.bdaddr, bdaddr); + rp.status = status; + + err = cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, + &rp, sizeof(rp)); + } else + err = cmd_status(cmd->sk, hdev->id, MGMT_OP_DISCONNECT, + mgmt_err); mgmt_pending_remove(cmd); return err; } -int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status) +int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, + u8 addr_type, u8 status) { struct mgmt_ev_connect_failed ev; - bacpy(&ev.bdaddr, bdaddr); - ev.status = status; + bacpy(&ev.addr.bdaddr, bdaddr); + ev.addr.type = link_to_mgmt(link_type, addr_type); + ev.status = mgmt_status(status); - return mgmt_event(MGMT_EV_CONNECT_FAILED, index, &ev, sizeof(ev), NULL); + return mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL); } -int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr, u8 secure) +int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure) { struct mgmt_ev_pin_code_request ev; bacpy(&ev.bdaddr, bdaddr); ev.secure = secure; - return mgmt_event(MGMT_EV_PIN_CODE_REQUEST, index, &ev, sizeof(ev), + return mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL); } -int mgmt_pin_code_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status) +int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 status) { struct pending_cmd *cmd; struct mgmt_rp_pin_code_reply rp; int err; - cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, index); + cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, hdev); if (!cmd) return -ENOENT; bacpy(&rp.bdaddr, bdaddr); - rp.status = status; + rp.status = mgmt_status(status); - err = cmd_complete(cmd->sk, index, MGMT_OP_PIN_CODE_REPLY, &rp, + err = cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, &rp, sizeof(rp)); mgmt_pending_remove(cmd); @@ -2164,20 +2516,21 @@ int mgmt_pin_code_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status) return err; } -int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status) +int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 status) { struct pending_cmd *cmd; struct mgmt_rp_pin_code_reply rp; int err; - cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, index); + cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev); if (!cmd) return -ENOENT; bacpy(&rp.bdaddr, bdaddr); - rp.status = status; + rp.status = mgmt_status(status); - err = cmd_complete(cmd->sk, index, MGMT_OP_PIN_CODE_NEG_REPLY, &rp, + err = cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY, &rp, sizeof(rp)); mgmt_pending_remove(cmd); @@ -2185,97 +2538,119 @@ int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status) return err; } -int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value, - u8 confirm_hint) +int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, + __le32 value, u8 confirm_hint) { struct mgmt_ev_user_confirm_request ev; - BT_DBG("hci%u", index); + BT_DBG("%s", hdev->name); bacpy(&ev.bdaddr, bdaddr); ev.confirm_hint = confirm_hint; put_unaligned_le32(value, &ev.value); - return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, index, &ev, sizeof(ev), + return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev), + NULL); +} + +int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr) +{ + struct mgmt_ev_user_passkey_request ev; + + BT_DBG("%s", hdev->name); + + bacpy(&ev.bdaddr, bdaddr); + + return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev), NULL); } -static int confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status, - u8 opcode) +static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 status, u8 opcode) { struct pending_cmd *cmd; struct mgmt_rp_user_confirm_reply rp; int err; - cmd = mgmt_pending_find(opcode, index); + cmd = mgmt_pending_find(opcode, hdev); if (!cmd) return -ENOENT; bacpy(&rp.bdaddr, bdaddr); - rp.status = status; - err = cmd_complete(cmd->sk, index, opcode, &rp, sizeof(rp)); + rp.status = mgmt_status(status); + err = cmd_complete(cmd->sk, hdev->id, opcode, &rp, sizeof(rp)); mgmt_pending_remove(cmd); return err; } -int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status) +int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 status) { - return confirm_reply_complete(index, bdaddr, status, + return user_pairing_resp_complete(hdev, bdaddr, status, MGMT_OP_USER_CONFIRM_REPLY); } -int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status) +int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, + bdaddr_t *bdaddr, u8 status) { - return confirm_reply_complete(index, bdaddr, status, + return user_pairing_resp_complete(hdev, bdaddr, status, MGMT_OP_USER_CONFIRM_NEG_REPLY); } -int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status) +int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 status) +{ + return user_pairing_resp_complete(hdev, bdaddr, status, + MGMT_OP_USER_PASSKEY_REPLY); +} + +int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, + bdaddr_t *bdaddr, u8 status) +{ + return user_pairing_resp_complete(hdev, bdaddr, status, + MGMT_OP_USER_PASSKEY_NEG_REPLY); +} + +int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status) { struct mgmt_ev_auth_failed ev; bacpy(&ev.bdaddr, bdaddr); - ev.status = status; + ev.status = mgmt_status(status); - return mgmt_event(MGMT_EV_AUTH_FAILED, index, &ev, sizeof(ev), NULL); + return mgmt_event(MGMT_EV_AUTH_FAILED, hdev, &ev, sizeof(ev), NULL); } -int mgmt_set_local_name_complete(u16 index, u8 *name, u8 status) +int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status) { struct pending_cmd *cmd; - struct hci_dev *hdev; struct mgmt_cp_set_local_name ev; int err; memset(&ev, 0, sizeof(ev)); memcpy(ev.name, name, HCI_MAX_NAME_LENGTH); - cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, index); + cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev); if (!cmd) goto send_event; if (status) { - err = cmd_status(cmd->sk, index, MGMT_OP_SET_LOCAL_NAME, EIO); + err = cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, + mgmt_status(status)); goto failed; } - hdev = hci_dev_get(index); - if (hdev) { - hci_dev_lock_bh(hdev); - update_eir(hdev); - hci_dev_unlock_bh(hdev); - hci_dev_put(hdev); - } + update_eir(hdev); - err = cmd_complete(cmd->sk, index, MGMT_OP_SET_LOCAL_NAME, &ev, + err = cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, &ev, sizeof(ev)); if (err < 0) goto failed; send_event: - err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, index, &ev, sizeof(ev), + err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev), cmd ? cmd->sk : NULL); failed: @@ -2284,29 +2659,31 @@ failed: return err; } -int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer, - u8 status) +int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, + u8 *randomizer, u8 status) { struct pending_cmd *cmd; int err; - BT_DBG("hci%u status %u", index, status); + BT_DBG("%s status %u", hdev->name, status); - cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, index); + cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev); if (!cmd) return -ENOENT; if (status) { - err = cmd_status(cmd->sk, index, MGMT_OP_READ_LOCAL_OOB_DATA, - EIO); + err = cmd_status(cmd->sk, hdev->id, + MGMT_OP_READ_LOCAL_OOB_DATA, + mgmt_status(status)); } else { struct mgmt_rp_read_local_oob_data rp; memcpy(rp.hash, hash, sizeof(rp.hash)); memcpy(rp.randomizer, randomizer, sizeof(rp.randomizer)); - err = cmd_complete(cmd->sk, index, MGMT_OP_READ_LOCAL_OOB_DATA, - &rp, sizeof(rp)); + err = cmd_complete(cmd->sk, hdev->id, + MGMT_OP_READ_LOCAL_OOB_DATA, + &rp, sizeof(rp)); } mgmt_pending_remove(cmd); @@ -2314,14 +2691,15 @@ int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer, return err; } -int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi, - u8 *eir) +int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, + u8 addr_type, u8 *dev_class, s8 rssi, u8 *eir) { struct mgmt_ev_device_found ev; memset(&ev, 0, sizeof(ev)); - bacpy(&ev.bdaddr, bdaddr); + bacpy(&ev.addr.bdaddr, bdaddr); + ev.addr.type = link_to_mgmt(link_type, addr_type); ev.rssi = rssi; if (eir) @@ -2330,10 +2708,10 @@ int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi, if (dev_class) memcpy(ev.dev_class, dev_class, sizeof(ev.dev_class)); - return mgmt_event(MGMT_EV_DEVICE_FOUND, index, &ev, sizeof(ev), NULL); + return mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, &ev, sizeof(ev), NULL); } -int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 *name) +int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *name) { struct mgmt_ev_remote_name ev; @@ -2342,37 +2720,79 @@ int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 *name) bacpy(&ev.bdaddr, bdaddr); memcpy(ev.name, name, HCI_MAX_NAME_LENGTH); - return mgmt_event(MGMT_EV_REMOTE_NAME, index, &ev, sizeof(ev), NULL); + return mgmt_event(MGMT_EV_REMOTE_NAME, hdev, &ev, sizeof(ev), NULL); +} + +int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status) +{ + struct pending_cmd *cmd; + int err; + + cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev); + if (!cmd) + return -ENOENT; + + err = cmd_status(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status)); + mgmt_pending_remove(cmd); + + return err; +} + +int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status) +{ + struct pending_cmd *cmd; + int err; + + cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev); + if (!cmd) + return -ENOENT; + + err = cmd_status(cmd->sk, hdev->id, cmd->opcode, status); + mgmt_pending_remove(cmd); + + return err; } -int mgmt_discovering(u16 index, u8 discovering) +int mgmt_discovering(struct hci_dev *hdev, u8 discovering) { - return mgmt_event(MGMT_EV_DISCOVERING, index, &discovering, + struct pending_cmd *cmd; + + if (discovering) + cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev); + else + cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev); + + if (cmd != NULL) { + cmd_complete(cmd->sk, hdev->id, cmd->opcode, NULL, 0); + mgmt_pending_remove(cmd); + } + + return mgmt_event(MGMT_EV_DISCOVERING, hdev, &discovering, sizeof(discovering), NULL); } -int mgmt_device_blocked(u16 index, bdaddr_t *bdaddr) +int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr) { struct pending_cmd *cmd; struct mgmt_ev_device_blocked ev; - cmd = mgmt_pending_find(MGMT_OP_BLOCK_DEVICE, index); + cmd = mgmt_pending_find(MGMT_OP_BLOCK_DEVICE, hdev); bacpy(&ev.bdaddr, bdaddr); - return mgmt_event(MGMT_EV_DEVICE_BLOCKED, index, &ev, sizeof(ev), - cmd ? cmd->sk : NULL); + return mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &ev, sizeof(ev), + cmd ? cmd->sk : NULL); } -int mgmt_device_unblocked(u16 index, bdaddr_t *bdaddr) +int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr) { struct pending_cmd *cmd; struct mgmt_ev_device_unblocked ev; - cmd = mgmt_pending_find(MGMT_OP_UNBLOCK_DEVICE, index); + cmd = mgmt_pending_find(MGMT_OP_UNBLOCK_DEVICE, hdev); bacpy(&ev.bdaddr, bdaddr); - return mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, index, &ev, sizeof(ev), - cmd ? cmd->sk : NULL); + return mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &ev, sizeof(ev), + cmd ? cmd->sk : NULL); } diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c index 2d28dfe..be6288c 100644 --- a/net/bluetooth/rfcomm/core.c +++ b/net/bluetooth/rfcomm/core.c @@ -65,7 +65,8 @@ static DEFINE_MUTEX(rfcomm_mutex); static LIST_HEAD(session_list); -static int rfcomm_send_frame(struct rfcomm_session *s, u8 *data, int len); +static int rfcomm_send_frame(struct rfcomm_session *s, u8 *data, int len, + u32 priority); static int rfcomm_send_sabm(struct rfcomm_session *s, u8 dlci); static int rfcomm_send_disc(struct rfcomm_session *s, u8 dlci); static int rfcomm_queue_disc(struct rfcomm_dlc *d); @@ -377,13 +378,11 @@ static void rfcomm_dlc_unlink(struct rfcomm_dlc *d) static struct rfcomm_dlc *rfcomm_dlc_get(struct rfcomm_session *s, u8 dlci) { struct rfcomm_dlc *d; - struct list_head *p; - list_for_each(p, &s->dlcs) { - d = list_entry(p, struct rfcomm_dlc, list); + list_for_each_entry(d, &s->dlcs, list) if (d->dlci == dlci) return d; - } + return NULL; } @@ -749,19 +748,34 @@ void rfcomm_session_getaddr(struct rfcomm_session *s, bdaddr_t *src, bdaddr_t *d } /* ---- RFCOMM frame sending ---- */ -static int rfcomm_send_frame(struct rfcomm_session *s, u8 *data, int len) +static int rfcomm_send_frame(struct rfcomm_session *s, u8 *data, int len, + u32 priority) { struct socket *sock = s->sock; + struct sock *sk = sock->sk; struct kvec iv = { data, len }; struct msghdr msg; - BT_DBG("session %p len %d", s, len); + BT_DBG("session %p len %d priority %u", s, len, priority); + + if (sk->sk_priority != priority) { + lock_sock(sk); + sk->sk_priority = priority; + release_sock(sk); + } memset(&msg, 0, sizeof(msg)); return kernel_sendmsg(sock, &msg, &iv, 1, len); } +static int rfcomm_send_cmd(struct rfcomm_session *s, struct rfcomm_cmd *cmd) +{ + BT_DBG("%p cmd %u", s, cmd->ctrl); + + return rfcomm_send_frame(s, (void *) cmd, sizeof(*cmd), HCI_PRIO_MAX); +} + static int rfcomm_send_sabm(struct rfcomm_session *s, u8 dlci) { struct rfcomm_cmd cmd; @@ -773,7 +787,7 @@ static int rfcomm_send_sabm(struct rfcomm_session *s, u8 dlci) cmd.len = __len8(0); cmd.fcs = __fcs2((u8 *) &cmd); - return rfcomm_send_frame(s, (void *) &cmd, sizeof(cmd)); + return rfcomm_send_cmd(s, &cmd); } static int rfcomm_send_ua(struct rfcomm_session *s, u8 dlci) @@ -787,7 +801,7 @@ static int rfcomm_send_ua(struct rfcomm_session *s, u8 dlci) cmd.len = __len8(0); cmd.fcs = __fcs2((u8 *) &cmd); - return rfcomm_send_frame(s, (void *) &cmd, sizeof(cmd)); + return rfcomm_send_cmd(s, &cmd); } static int rfcomm_send_disc(struct rfcomm_session *s, u8 dlci) @@ -801,7 +815,7 @@ static int rfcomm_send_disc(struct rfcomm_session *s, u8 dlci) cmd.len = __len8(0); cmd.fcs = __fcs2((u8 *) &cmd); - return rfcomm_send_frame(s, (void *) &cmd, sizeof(cmd)); + return rfcomm_send_cmd(s, &cmd); } static int rfcomm_queue_disc(struct rfcomm_dlc *d) @@ -815,6 +829,8 @@ static int rfcomm_queue_disc(struct rfcomm_dlc *d) if (!skb) return -ENOMEM; + skb->priority = HCI_PRIO_MAX; + cmd = (void *) __skb_put(skb, sizeof(*cmd)); cmd->addr = d->addr; cmd->ctrl = __ctrl(RFCOMM_DISC, 1); @@ -837,7 +853,7 @@ static int rfcomm_send_dm(struct rfcomm_session *s, u8 dlci) cmd.len = __len8(0); cmd.fcs = __fcs2((u8 *) &cmd); - return rfcomm_send_frame(s, (void *) &cmd, sizeof(cmd)); + return rfcomm_send_cmd(s, &cmd); } static int rfcomm_send_nsc(struct rfcomm_session *s, int cr, u8 type) @@ -862,7 +878,7 @@ static int rfcomm_send_nsc(struct rfcomm_session *s, int cr, u8 type) *ptr = __fcs(buf); ptr++; - return rfcomm_send_frame(s, buf, ptr - buf); + return rfcomm_send_frame(s, buf, ptr - buf, HCI_PRIO_MAX); } static int rfcomm_send_pn(struct rfcomm_session *s, int cr, struct rfcomm_dlc *d) @@ -904,7 +920,7 @@ static int rfcomm_send_pn(struct rfcomm_session *s, int cr, struct rfcomm_dlc *d *ptr = __fcs(buf); ptr++; - return rfcomm_send_frame(s, buf, ptr - buf); + return rfcomm_send_frame(s, buf, ptr - buf, HCI_PRIO_MAX); } int rfcomm_send_rpn(struct rfcomm_session *s, int cr, u8 dlci, @@ -942,7 +958,7 @@ int rfcomm_send_rpn(struct rfcomm_session *s, int cr, u8 dlci, *ptr = __fcs(buf); ptr++; - return rfcomm_send_frame(s, buf, ptr - buf); + return rfcomm_send_frame(s, buf, ptr - buf, HCI_PRIO_MAX); } static int rfcomm_send_rls(struct rfcomm_session *s, int cr, u8 dlci, u8 status) @@ -969,7 +985,7 @@ static int rfcomm_send_rls(struct rfcomm_session *s, int cr, u8 dlci, u8 status) *ptr = __fcs(buf); ptr++; - return rfcomm_send_frame(s, buf, ptr - buf); + return rfcomm_send_frame(s, buf, ptr - buf, HCI_PRIO_MAX); } static int rfcomm_send_msc(struct rfcomm_session *s, int cr, u8 dlci, u8 v24_sig) @@ -996,7 +1012,7 @@ static int rfcomm_send_msc(struct rfcomm_session *s, int cr, u8 dlci, u8 v24_sig *ptr = __fcs(buf); ptr++; - return rfcomm_send_frame(s, buf, ptr - buf); + return rfcomm_send_frame(s, buf, ptr - buf, HCI_PRIO_MAX); } static int rfcomm_send_fcoff(struct rfcomm_session *s, int cr) @@ -1018,7 +1034,7 @@ static int rfcomm_send_fcoff(struct rfcomm_session *s, int cr) *ptr = __fcs(buf); ptr++; - return rfcomm_send_frame(s, buf, ptr - buf); + return rfcomm_send_frame(s, buf, ptr - buf, HCI_PRIO_MAX); } static int rfcomm_send_fcon(struct rfcomm_session *s, int cr) @@ -1040,7 +1056,7 @@ static int rfcomm_send_fcon(struct rfcomm_session *s, int cr) *ptr = __fcs(buf); ptr++; - return rfcomm_send_frame(s, buf, ptr - buf); + return rfcomm_send_frame(s, buf, ptr - buf, HCI_PRIO_MAX); } static int rfcomm_send_test(struct rfcomm_session *s, int cr, u8 *pattern, int len) @@ -1091,7 +1107,7 @@ static int rfcomm_send_credits(struct rfcomm_session *s, u8 addr, u8 credits) *ptr = __fcs(buf); ptr++; - return rfcomm_send_frame(s, buf, ptr - buf); + return rfcomm_send_frame(s, buf, ptr - buf, HCI_PRIO_MAX); } static void rfcomm_make_uih(struct sk_buff *skb, u8 addr) @@ -1770,7 +1786,8 @@ static inline int rfcomm_process_tx(struct rfcomm_dlc *d) return skb_queue_len(&d->tx_queue); while (d->tx_credits && (skb = skb_dequeue(&d->tx_queue))) { - err = rfcomm_send_frame(d->session, skb->data, skb->len); + err = rfcomm_send_frame(d->session, skb->data, skb->len, + skb->priority); if (err < 0) { skb_queue_head(&d->tx_queue, skb); break; @@ -2121,15 +2138,13 @@ static struct hci_cb rfcomm_cb = { static int rfcomm_dlc_debugfs_show(struct seq_file *f, void *x) { struct rfcomm_session *s; - struct list_head *pp, *p; rfcomm_lock(); - list_for_each(p, &session_list) { - s = list_entry(p, struct rfcomm_session, list); - list_for_each(pp, &s->dlcs) { + list_for_each_entry(s, &session_list, list) { + struct rfcomm_dlc *d; + list_for_each_entry(d, &s->dlcs, list) { struct sock *sk = s->sock->sk; - struct rfcomm_dlc *d = list_entry(pp, struct rfcomm_dlc, list); seq_printf(f, "%s %s %ld %d %d %d %d\n", batostr(&bt_sk(sk)->src), diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index 5417f61..aea2bdd 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c @@ -600,6 +600,8 @@ static int rfcomm_sock_sendmsg(struct kiocb *iocb, struct socket *sock, break; } + skb->priority = sk->sk_priority; + err = rfcomm_dlc_send(d, skb); if (err < 0) { kfree_skb(skb); diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c index c258796..fa8f4de5 100644 --- a/net/bluetooth/rfcomm/tty.c +++ b/net/bluetooth/rfcomm/tty.c @@ -34,6 +34,7 @@ #include <linux/capability.h> #include <linux/slab.h> #include <linux/skbuff.h> +#include <linux/workqueue.h> #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> @@ -65,7 +66,7 @@ struct rfcomm_dev { struct rfcomm_dlc *dlc; struct tty_struct *tty; wait_queue_head_t wait; - struct tasklet_struct wakeup_task; + struct work_struct wakeup_task; struct device *tty_dev; @@ -81,7 +82,7 @@ static void rfcomm_dev_data_ready(struct rfcomm_dlc *dlc, struct sk_buff *skb); static void rfcomm_dev_state_change(struct rfcomm_dlc *dlc, int err); static void rfcomm_dev_modem_status(struct rfcomm_dlc *dlc, u8 v24_sig); -static void rfcomm_tty_wakeup(unsigned long arg); +static void rfcomm_tty_wakeup(struct work_struct *work); /* ---- Device functions ---- */ static void rfcomm_dev_destruct(struct rfcomm_dev *dev) @@ -133,13 +134,10 @@ static inline void rfcomm_dev_put(struct rfcomm_dev *dev) static struct rfcomm_dev *__rfcomm_dev_get(int id) { struct rfcomm_dev *dev; - struct list_head *p; - list_for_each(p, &rfcomm_dev_list) { - dev = list_entry(p, struct rfcomm_dev, list); + list_for_each_entry(dev, &rfcomm_dev_list, list) if (dev->id == id) return dev; - } return NULL; } @@ -197,7 +195,7 @@ static DEVICE_ATTR(channel, S_IRUGO, show_channel, NULL); static int rfcomm_dev_add(struct rfcomm_dev_req *req, struct rfcomm_dlc *dlc) { - struct rfcomm_dev *dev; + struct rfcomm_dev *dev, *entry; struct list_head *head = &rfcomm_dev_list, *p; int err = 0; @@ -212,8 +210,8 @@ static int rfcomm_dev_add(struct rfcomm_dev_req *req, struct rfcomm_dlc *dlc) if (req->dev_id < 0) { dev->id = 0; - list_for_each(p, &rfcomm_dev_list) { - if (list_entry(p, struct rfcomm_dev, list)->id != dev->id) + list_for_each_entry(entry, &rfcomm_dev_list, list) { + if (entry->id != dev->id) break; dev->id++; @@ -222,9 +220,7 @@ static int rfcomm_dev_add(struct rfcomm_dev_req *req, struct rfcomm_dlc *dlc) } else { dev->id = req->dev_id; - list_for_each(p, &rfcomm_dev_list) { - struct rfcomm_dev *entry = list_entry(p, struct rfcomm_dev, list); - + list_for_each_entry(entry, &rfcomm_dev_list, list) { if (entry->id == dev->id) { err = -EADDRINUSE; goto out; @@ -257,7 +253,7 @@ static int rfcomm_dev_add(struct rfcomm_dev_req *req, struct rfcomm_dlc *dlc) atomic_set(&dev->opened, 0); init_waitqueue_head(&dev->wait); - tasklet_init(&dev->wakeup_task, rfcomm_tty_wakeup, (unsigned long) dev); + INIT_WORK(&dev->wakeup_task, rfcomm_tty_wakeup); skb_queue_head_init(&dev->pending); @@ -351,7 +347,7 @@ static void rfcomm_wfree(struct sk_buff *skb) struct rfcomm_dev *dev = (void *) skb->sk; atomic_sub(skb->truesize, &dev->wmem_alloc); if (test_bit(RFCOMM_TTY_ATTACHED, &dev->flags)) - tasklet_schedule(&dev->wakeup_task); + queue_work(system_nrt_wq, &dev->wakeup_task); rfcomm_dev_put(dev); } @@ -455,9 +451,9 @@ static int rfcomm_release_dev(void __user *arg) static int rfcomm_get_dev_list(void __user *arg) { + struct rfcomm_dev *dev; struct rfcomm_dev_list_req *dl; struct rfcomm_dev_info *di; - struct list_head *p; int n = 0, size, err; u16 dev_num; @@ -479,8 +475,7 @@ static int rfcomm_get_dev_list(void __user *arg) read_lock_bh(&rfcomm_dev_lock); - list_for_each(p, &rfcomm_dev_list) { - struct rfcomm_dev *dev = list_entry(p, struct rfcomm_dev, list); + list_for_each_entry(dev, &rfcomm_dev_list, list) { if (test_bit(RFCOMM_TTY_RELEASED, &dev->flags)) continue; (di + n)->id = dev->id; @@ -635,9 +630,10 @@ static void rfcomm_dev_modem_status(struct rfcomm_dlc *dlc, u8 v24_sig) } /* ---- TTY functions ---- */ -static void rfcomm_tty_wakeup(unsigned long arg) +static void rfcomm_tty_wakeup(struct work_struct *work) { - struct rfcomm_dev *dev = (void *) arg; + struct rfcomm_dev *dev = container_of(work, struct rfcomm_dev, + wakeup_task); struct tty_struct *tty = dev->tty; if (!tty) return; @@ -762,7 +758,7 @@ static void rfcomm_tty_close(struct tty_struct *tty, struct file *filp) rfcomm_dlc_close(dev->dlc, 0); clear_bit(RFCOMM_TTY_ATTACHED, &dev->flags); - tasklet_kill(&dev->wakeup_task); + cancel_work_sync(&dev->wakeup_task); rfcomm_dlc_lock(dev->dlc); tty->driver_data = NULL; @@ -1155,9 +1151,11 @@ static const struct tty_operations rfcomm_ops = { int __init rfcomm_init_ttys(void) { + int error; + rfcomm_tty_driver = alloc_tty_driver(RFCOMM_TTY_PORTS); if (!rfcomm_tty_driver) - return -1; + return -ENOMEM; rfcomm_tty_driver->owner = THIS_MODULE; rfcomm_tty_driver->driver_name = "rfcomm"; @@ -1172,10 +1170,11 @@ int __init rfcomm_init_ttys(void) rfcomm_tty_driver->init_termios.c_lflag &= ~ICANON; tty_set_operations(rfcomm_tty_driver, &rfcomm_ops); - if (tty_register_driver(rfcomm_tty_driver)) { + error = tty_register_driver(rfcomm_tty_driver); + if (error) { BT_ERR("Can't register RFCOMM TTY driver"); put_tty_driver(rfcomm_tty_driver); - return -1; + return error; } BT_INFO("RFCOMM TTY layer initialized"); diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index a324b00..725e10d 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -189,7 +189,7 @@ static int sco_connect(struct sock *sk) if (!hdev) return -EHOSTUNREACH; - hci_dev_lock_bh(hdev); + hci_dev_lock(hdev); if (lmp_esco_capable(hdev) && !disable_esco) type = ESCO_LINK; @@ -225,7 +225,7 @@ static int sco_connect(struct sock *sk) } done: - hci_dev_unlock_bh(hdev); + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; } diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index 759b635..0b96737 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -181,7 +181,8 @@ static void smp_send_cmd(struct l2cap_conn *conn, u8 code, u16 len, void *data) if (!skb) return; - hci_send_acl(conn->hcon, skb, 0); + skb->priority = HCI_PRIO_MAX; + hci_send_acl(conn->hchan, skb, 0); mod_timer(&conn->security_timer, jiffies + msecs_to_jiffies(SMP_TIMEOUT)); @@ -231,6 +232,18 @@ static u8 check_enc_key_size(struct l2cap_conn *conn, __u8 max_key_size) return 0; } +static void smp_failure(struct l2cap_conn *conn, u8 reason, u8 send) +{ + if (send) + smp_send_cmd(conn, SMP_CMD_PAIRING_FAIL, sizeof(reason), + &reason); + + clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->hcon->pend); + mgmt_auth_failed(conn->hcon->hdev, conn->dst, reason); + del_timer(&conn->security_timer); + smp_chan_destroy(conn); +} + static void confirm_work(struct work_struct *work) { struct smp_chan *smp = container_of(work, struct smp_chan, confirm); @@ -269,8 +282,7 @@ static void confirm_work(struct work_struct *work) return; error: - smp_send_cmd(conn, SMP_CMD_PAIRING_FAIL, sizeof(reason), &reason); - smp_chan_destroy(conn); + smp_failure(conn, reason, 1); } static void random_work(struct work_struct *work) @@ -353,8 +365,7 @@ static void random_work(struct work_struct *work) return; error: - smp_send_cmd(conn, SMP_CMD_PAIRING_FAIL, sizeof(reason), &reason); - smp_chan_destroy(conn); + smp_failure(conn, reason, 1); } static struct smp_chan *smp_chan_create(struct l2cap_conn *conn) @@ -378,7 +389,15 @@ static struct smp_chan *smp_chan_create(struct l2cap_conn *conn) void smp_chan_destroy(struct l2cap_conn *conn) { - kfree(conn->smp_chan); + struct smp_chan *smp = conn->smp_chan; + + clear_bit(HCI_CONN_LE_SMP_PEND, &conn->hcon->pend); + + if (smp->tfm) + crypto_free_blkcipher(smp->tfm); + + kfree(smp); + conn->smp_chan = NULL; hci_conn_put(conn->hcon); } @@ -646,6 +665,7 @@ int smp_sig_channel(struct l2cap_conn *conn, struct sk_buff *skb) break; case SMP_CMD_PAIRING_FAIL: + smp_failure(conn, skb->data[0], 0); reason = 0; err = -EPERM; break; @@ -691,8 +711,7 @@ int smp_sig_channel(struct l2cap_conn *conn, struct sk_buff *skb) done: if (reason) - smp_send_cmd(conn, SMP_CMD_PAIRING_FAIL, sizeof(reason), - &reason); + smp_failure(conn, reason, 1); kfree_skb(skb); return err; diff --git a/net/core/skbuff.c b/net/core/skbuff.c index ca4db40..2f6babd 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -3168,6 +3168,26 @@ void skb_tstamp_tx(struct sk_buff *orig_skb, } EXPORT_SYMBOL_GPL(skb_tstamp_tx); +void skb_complete_wifi_ack(struct sk_buff *skb, bool acked) +{ + struct sock *sk = skb->sk; + struct sock_exterr_skb *serr; + int err; + + skb->wifi_acked_valid = 1; + skb->wifi_acked = acked; + + serr = SKB_EXT_ERR(skb); + memset(serr, 0, sizeof(*serr)); + serr->ee.ee_errno = ENOMSG; + serr->ee.ee_origin = SO_EE_ORIGIN_TXSTATUS; + + err = sock_queue_err_skb(sk, skb); + if (err) + kfree_skb(skb); +} +EXPORT_SYMBOL_GPL(skb_complete_wifi_ack); + /** * skb_partial_csum_set - set up and verify partial csum values for packet diff --git a/net/core/sock.c b/net/core/sock.c index 4ed7b1d..cbdf51c 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -740,6 +740,11 @@ set_rcvbuf: case SO_RXQ_OVFL: sock_valbool_flag(sk, SOCK_RXQ_OVFL, valbool); break; + + case SO_WIFI_STATUS: + sock_valbool_flag(sk, SOCK_WIFI_STATUS, valbool); + break; + default: ret = -ENOPROTOOPT; break; @@ -961,6 +966,10 @@ int sock_getsockopt(struct socket *sock, int level, int optname, v.val = !!sock_flag(sk, SOCK_RXQ_OVFL); break; + case SO_WIFI_STATUS: + v.val = !!sock_flag(sk, SOCK_WIFI_STATUS); + break; + default: return -ENOPROTOOPT; } diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c index 97f3358..f9ec0d9 100644 --- a/net/mac80211/agg-rx.c +++ b/net/mac80211/agg-rx.c @@ -176,7 +176,8 @@ static void ieee80211_send_addba_resp(struct ieee80211_sub_if_data *sdata, u8 *d memcpy(mgmt->da, da, ETH_ALEN); memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); if (sdata->vif.type == NL80211_IFTYPE_AP || - sdata->vif.type == NL80211_IFTYPE_AP_VLAN) + sdata->vif.type == NL80211_IFTYPE_AP_VLAN || + sdata->vif.type == NL80211_IFTYPE_MESH_POINT) memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN); else if (sdata->vif.type == NL80211_IFTYPE_STATION) memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index 2ac0339..fefc7e5 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -77,7 +77,8 @@ static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata, memcpy(mgmt->da, da, ETH_ALEN); memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); if (sdata->vif.type == NL80211_IFTYPE_AP || - sdata->vif.type == NL80211_IFTYPE_AP_VLAN) + sdata->vif.type == NL80211_IFTYPE_AP_VLAN || + sdata->vif.type == NL80211_IFTYPE_MESH_POINT) memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN); else if (sdata->vif.type == NL80211_IFTYPE_STATION) memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); @@ -371,13 +372,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid, pubsta->addr, tid); #endif /* CONFIG_MAC80211_HT_DEBUG */ - /* - * The aggregation code is not prepared to handle - * anything but STA/AP due to the BSSID handling. - * IBSS could work in the code but isn't supported - * by drivers or the standard. - */ if (sdata->vif.type != NL80211_IFTYPE_STATION && + sdata->vif.type != NL80211_IFTYPE_MESH_POINT && sdata->vif.type != NL80211_IFTYPE_AP_VLAN && sdata->vif.type != NL80211_IFTYPE_AP) return -EINVAL; diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index d06c65f..02a4323 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -411,7 +411,8 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | BIT(NL80211_STA_FLAG_WME) | BIT(NL80211_STA_FLAG_MFP) | - BIT(NL80211_STA_FLAG_AUTHENTICATED); + BIT(NL80211_STA_FLAG_AUTHENTICATED) | + BIT(NL80211_STA_FLAG_TDLS_PEER); if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED); if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE)) @@ -422,6 +423,8 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP); if (test_sta_flag(sta, WLAN_STA_AUTH)) sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED); + if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) + sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER); } @@ -594,6 +597,8 @@ static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, { struct ieee80211_sub_if_data *sdata; struct beacon_data *old; + struct ieee80211_sub_if_data *vlan; + int ret; sdata = IEEE80211_DEV_TO_SUB_IF(dev); @@ -601,7 +606,24 @@ static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, if (old) return -EALREADY; - return ieee80211_config_beacon(sdata, params); + ret = ieee80211_config_beacon(sdata, params); + if (ret) + return ret; + + /* + * Apply control port protocol, this allows us to + * not encrypt dynamic WEP control frames. + */ + sdata->control_port_protocol = params->crypto.control_port_ethertype; + sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; + list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { + vlan->control_port_protocol = + params->crypto.control_port_ethertype; + vlan->control_port_no_encrypt = + params->crypto.control_port_no_encrypt; + } + + return 0; } static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, @@ -1394,7 +1416,7 @@ static int ieee80211_set_channel(struct wiphy *wiphy, (old_oper_type != local->_oper_channel_type)) ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); - if ((sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR) && + if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR && old_vif_oper_type != sdata->vif.bss_conf.channel_type) ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); @@ -1917,7 +1939,7 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, enum nl80211_channel_type channel_type, bool channel_type_valid, unsigned int wait, const u8 *buf, size_t len, bool no_cck, - u64 *cookie) + bool dont_wait_for_ack, u64 *cookie) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_local *local = sdata->local; @@ -1925,10 +1947,15 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, struct sta_info *sta; struct ieee80211_work *wk; const struct ieee80211_mgmt *mgmt = (void *)buf; - u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | - IEEE80211_TX_CTL_REQ_TX_STATUS; + u32 flags; bool is_offchan = false; + if (dont_wait_for_ack) + flags = IEEE80211_TX_CTL_NO_ACK; + else + flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | + IEEE80211_TX_CTL_REQ_TX_STATUS; + /* Check that we are on the requested channel for transmission */ if (chan != local->tmp_channel && chan != local->oper_channel) @@ -2488,6 +2515,73 @@ static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, return 0; } +static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, + const u8 *peer, u64 *cookie) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = sdata->local; + struct ieee80211_qos_hdr *nullfunc; + struct sk_buff *skb; + int size = sizeof(*nullfunc); + __le16 fc; + bool qos; + struct ieee80211_tx_info *info; + struct sta_info *sta; + + rcu_read_lock(); + sta = sta_info_get(sdata, peer); + if (sta) + qos = test_sta_flag(sta, WLAN_STA_WME); + rcu_read_unlock(); + + if (!sta) + return -ENOLINK; + + if (qos) { + fc = cpu_to_le16(IEEE80211_FTYPE_DATA | + IEEE80211_STYPE_QOS_NULLFUNC | + IEEE80211_FCTL_FROMDS); + } else { + size -= 2; + fc = cpu_to_le16(IEEE80211_FTYPE_DATA | + IEEE80211_STYPE_NULLFUNC | + IEEE80211_FCTL_FROMDS); + } + + skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); + if (!skb) + return -ENOMEM; + + skb->dev = dev; + + skb_reserve(skb, local->hw.extra_tx_headroom); + + nullfunc = (void *) skb_put(skb, size); + nullfunc->frame_control = fc; + nullfunc->duration_id = 0; + memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); + memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); + memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); + nullfunc->seq_ctrl = 0; + + info = IEEE80211_SKB_CB(skb); + + info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | + IEEE80211_TX_INTFL_NL80211_FRAME_TX; + + skb_set_queue_mapping(skb, IEEE80211_AC_VO); + skb->priority = 7; + if (qos) + nullfunc->qos_ctrl = cpu_to_le16(7); + + local_bh_disable(); + ieee80211_xmit(sdata, skb); + local_bh_enable(); + + *cookie = (unsigned long) skb; + return 0; +} + struct cfg80211_ops mac80211_config_ops = { .add_virtual_intf = ieee80211_add_iface, .del_virtual_intf = ieee80211_del_iface, @@ -2553,4 +2647,5 @@ struct cfg80211_ops mac80211_config_ops = { .set_rekey_data = ieee80211_set_rekey_data, .tdls_oper = ieee80211_tdls_oper, .tdls_mgmt = ieee80211_tdls_mgmt, + .probe_client = ieee80211_probe_client, }; diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c index 883996b..00cefcb 100644 --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c @@ -190,7 +190,7 @@ static ssize_t uapsd_max_sp_len_write(struct file *file, return -EFAULT; buf[len] = '\0'; - ret = strict_strtoul(buf, 0, &val); + ret = kstrtoul(buf, 0, &val); if (ret) return -EINVAL; diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index 5f165d7..b12ed52 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -5,6 +5,11 @@ #include "ieee80211_i.h" #include "driver-trace.h" +static inline void check_sdata_in_driver(struct ieee80211_sub_if_data *sdata) +{ + WARN_ON(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER)); +} + static inline void drv_tx(struct ieee80211_local *local, struct sk_buff *skb) { local->ops->tx(&local->hw, skb); @@ -69,15 +74,23 @@ static inline int drv_resume(struct ieee80211_local *local) #endif static inline int drv_add_interface(struct ieee80211_local *local, - struct ieee80211_vif *vif) + struct ieee80211_sub_if_data *sdata) { int ret; might_sleep(); - trace_drv_add_interface(local, vif_to_sdata(vif)); - ret = local->ops->add_interface(&local->hw, vif); + if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN || + sdata->vif.type == NL80211_IFTYPE_MONITOR)) + return -EINVAL; + + trace_drv_add_interface(local, sdata); + ret = local->ops->add_interface(&local->hw, &sdata->vif); trace_drv_return_int(local, ret); + + if (ret == 0) + sdata->flags |= IEEE80211_SDATA_IN_DRIVER; + return ret; } @@ -89,6 +102,8 @@ static inline int drv_change_interface(struct ieee80211_local *local, might_sleep(); + check_sdata_in_driver(sdata); + trace_drv_change_interface(local, sdata, type, p2p); ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p); trace_drv_return_int(local, ret); @@ -96,12 +111,15 @@ static inline int drv_change_interface(struct ieee80211_local *local, } static inline void drv_remove_interface(struct ieee80211_local *local, - struct ieee80211_vif *vif) + struct ieee80211_sub_if_data *sdata) { might_sleep(); - trace_drv_remove_interface(local, vif_to_sdata(vif)); - local->ops->remove_interface(&local->hw, vif); + check_sdata_in_driver(sdata); + + trace_drv_remove_interface(local, sdata); + local->ops->remove_interface(&local->hw, &sdata->vif); + sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER; trace_drv_return_void(local); } @@ -124,6 +142,8 @@ static inline void drv_bss_info_changed(struct ieee80211_local *local, { might_sleep(); + check_sdata_in_driver(sdata); + trace_drv_bss_info_changed(local, sdata, info, changed); if (local->ops->bss_info_changed) local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed); @@ -139,6 +159,8 @@ static inline int drv_tx_sync(struct ieee80211_local *local, might_sleep(); + check_sdata_in_driver(sdata); + trace_drv_tx_sync(local, sdata, bssid, type); if (local->ops->tx_sync) ret = local->ops->tx_sync(&local->hw, &sdata->vif, @@ -154,6 +176,8 @@ static inline void drv_finish_tx_sync(struct ieee80211_local *local, { might_sleep(); + check_sdata_in_driver(sdata); + trace_drv_finish_tx_sync(local, sdata, bssid, type); if (local->ops->finish_tx_sync) local->ops->finish_tx_sync(&local->hw, &sdata->vif, @@ -211,6 +235,8 @@ static inline int drv_set_key(struct ieee80211_local *local, might_sleep(); + check_sdata_in_driver(sdata); + trace_drv_set_key(local, cmd, sdata, sta, key); ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key); trace_drv_return_int(local, ret); @@ -228,6 +254,8 @@ static inline void drv_update_tkip_key(struct ieee80211_local *local, if (sta) ista = &sta->sta; + check_sdata_in_driver(sdata); + trace_drv_update_tkip_key(local, sdata, conf, ista, iv32); if (local->ops->update_tkip_key) local->ops->update_tkip_key(&local->hw, &sdata->vif, conf, @@ -243,6 +271,8 @@ static inline int drv_hw_scan(struct ieee80211_local *local, might_sleep(); + check_sdata_in_driver(sdata); + trace_drv_hw_scan(local, sdata); ret = local->ops->hw_scan(&local->hw, &sdata->vif, req); trace_drv_return_int(local, ret); @@ -254,6 +284,8 @@ static inline void drv_cancel_hw_scan(struct ieee80211_local *local, { might_sleep(); + check_sdata_in_driver(sdata); + trace_drv_cancel_hw_scan(local, sdata); local->ops->cancel_hw_scan(&local->hw, &sdata->vif); trace_drv_return_void(local); @@ -269,6 +301,8 @@ drv_sched_scan_start(struct ieee80211_local *local, might_sleep(); + check_sdata_in_driver(sdata); + trace_drv_sched_scan_start(local, sdata); ret = local->ops->sched_scan_start(&local->hw, &sdata->vif, req, ies); @@ -281,6 +315,8 @@ static inline void drv_sched_scan_stop(struct ieee80211_local *local, { might_sleep(); + check_sdata_in_driver(sdata); + trace_drv_sched_scan_stop(local, sdata); local->ops->sched_scan_stop(&local->hw, &sdata->vif); trace_drv_return_void(local); @@ -377,6 +413,8 @@ static inline void drv_sta_notify(struct ieee80211_local *local, enum sta_notify_cmd cmd, struct ieee80211_sta *sta) { + check_sdata_in_driver(sdata); + trace_drv_sta_notify(local, sdata, cmd, sta); if (local->ops->sta_notify) local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta); @@ -391,6 +429,8 @@ static inline int drv_sta_add(struct ieee80211_local *local, might_sleep(); + check_sdata_in_driver(sdata); + trace_drv_sta_add(local, sdata, sta); if (local->ops->sta_add) ret = local->ops->sta_add(&local->hw, &sdata->vif, sta); @@ -406,6 +446,8 @@ static inline void drv_sta_remove(struct ieee80211_local *local, { might_sleep(); + check_sdata_in_driver(sdata); + trace_drv_sta_remove(local, sdata, sta); if (local->ops->sta_remove) local->ops->sta_remove(&local->hw, &sdata->vif, sta); @@ -421,6 +463,8 @@ static inline int drv_conf_tx(struct ieee80211_local *local, might_sleep(); + check_sdata_in_driver(sdata); + trace_drv_conf_tx(local, sdata, queue, params); if (local->ops->conf_tx) ret = local->ops->conf_tx(&local->hw, &sdata->vif, @@ -436,6 +480,8 @@ static inline u64 drv_get_tsf(struct ieee80211_local *local, might_sleep(); + check_sdata_in_driver(sdata); + trace_drv_get_tsf(local, sdata); if (local->ops->get_tsf) ret = local->ops->get_tsf(&local->hw, &sdata->vif); @@ -449,6 +495,8 @@ static inline void drv_set_tsf(struct ieee80211_local *local, { might_sleep(); + check_sdata_in_driver(sdata); + trace_drv_set_tsf(local, sdata, tsf); if (local->ops->set_tsf) local->ops->set_tsf(&local->hw, &sdata->vif, tsf); @@ -460,6 +508,8 @@ static inline void drv_reset_tsf(struct ieee80211_local *local, { might_sleep(); + check_sdata_in_driver(sdata); + trace_drv_reset_tsf(local, sdata); if (local->ops->reset_tsf) local->ops->reset_tsf(&local->hw, &sdata->vif); @@ -489,6 +539,8 @@ static inline int drv_ampdu_action(struct ieee80211_local *local, might_sleep(); + check_sdata_in_driver(sdata); + trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size); if (local->ops->ampdu_action) @@ -644,6 +696,8 @@ static inline int drv_set_bitrate_mask(struct ieee80211_local *local, might_sleep(); + check_sdata_in_driver(sdata); + trace_drv_set_bitrate_mask(local, sdata, mask); if (local->ops->set_bitrate_mask) ret = local->ops->set_bitrate_mask(&local->hw, @@ -657,6 +711,8 @@ static inline void drv_set_rekey_data(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct cfg80211_gtk_rekey_data *data) { + check_sdata_in_driver(sdata); + trace_drv_set_rekey_data(local, sdata, data); if (local->ops->set_rekey_data) local->ops->set_rekey_data(&local->hw, &sdata->vif, data); diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c index f80a35c..988c7ec 100644 --- a/net/mac80211/ht.c +++ b/net/mac80211/ht.c @@ -195,7 +195,8 @@ void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, memcpy(mgmt->da, da, ETH_ALEN); memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); if (sdata->vif.type == NL80211_IFTYPE_AP || - sdata->vif.type == NL80211_IFTYPE_AP_VLAN) + sdata->vif.type == NL80211_IFTYPE_AP_VLAN || + sdata->vif.type == NL80211_IFTYPE_MESH_POINT) memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN); else if (sdata->vif.type == NL80211_IFTYPE_STATION) memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index ea10a51..76e656b 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -24,6 +24,7 @@ #include <linux/spinlock.h> #include <linux/etherdevice.h> #include <linux/leds.h> +#include <linux/idr.h> #include <net/ieee80211_radiotap.h> #include <net/cfg80211.h> #include <net/mac80211.h> @@ -184,12 +185,15 @@ enum ieee80211_packet_rx_flags { * enum ieee80211_rx_flags - RX data flags * * @IEEE80211_RX_CMNTR: received on cooked monitor already + * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported + * to cfg80211_report_obss_beacon(). * * These flags are used across handling multiple interfaces * for a single frame. */ enum ieee80211_rx_flags { IEEE80211_RX_CMNTR = BIT(0), + IEEE80211_RX_BEACON_REPORTED = BIT(1), }; struct ieee80211_rx_data { @@ -543,6 +547,7 @@ struct ieee80211_if_mesh { * associated stations and deliver multicast frames both * back to wireless media and to the local net stack. * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. + * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver */ enum ieee80211_sub_if_data_flags { IEEE80211_SDATA_ALLMULTI = BIT(0), @@ -550,6 +555,7 @@ enum ieee80211_sub_if_data_flags { IEEE80211_SDATA_OPERATING_GMODE = BIT(2), IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), + IEEE80211_SDATA_IN_DRIVER = BIT(5), }; /** @@ -1012,6 +1018,9 @@ struct ieee80211_local { u32 hw_roc_cookie; bool hw_roc_for_tx; + struct idr ack_status_frames; + spinlock_t ack_status_lock; + /* dummy netdev for use w/ NAPI */ struct net_device napi_dev; @@ -1334,6 +1343,12 @@ void ieee80211_recalc_smps(struct ieee80211_local *local); size_t ieee80211_ie_split(const u8 *ies, size_t ielen, const u8 *ids, int n_ids, size_t offset); size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); +u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_supported_band *sband, + u16 cap); +u8 *ieee80211_ie_build_ht_info(u8 *pos, + struct ieee80211_sta_ht_cap *ht_cap, + struct ieee80211_channel *channel, + enum nl80211_channel_type channel_type); /* internal work items */ void ieee80211_work_init(struct ieee80211_local *local); @@ -1362,6 +1377,8 @@ ieee80211_get_channel_mode(struct ieee80211_local *local, bool ieee80211_set_channel_type(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, enum nl80211_channel_type chantype); +enum nl80211_channel_type +ieee80211_ht_info_to_channel_type(struct ieee80211_ht_info *ht_info); #ifdef CONFIG_MAC80211_NOINLINE #define debug_noinline noinline diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 30d7355..b7bc4b7 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -188,11 +188,22 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up) if (!is_valid_ether_addr(sdata->u.wds.remote_addr)) return -ENOLINK; break; - case NL80211_IFTYPE_AP_VLAN: + case NL80211_IFTYPE_AP_VLAN: { + struct ieee80211_sub_if_data *master; + if (!sdata->bss) return -ENOLINK; + list_add(&sdata->u.vlan.list, &sdata->bss->vlans); + + master = container_of(sdata->bss, + struct ieee80211_sub_if_data, u.ap); + sdata->control_port_protocol = + master->control_port_protocol; + sdata->control_port_no_encrypt = + master->control_port_no_encrypt; break; + } case NL80211_IFTYPE_AP: sdata->bss = &sdata->u.ap; break; @@ -265,7 +276,7 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up) break; default: if (coming_up) { - res = drv_add_interface(local, &sdata->vif); + res = drv_add_interface(local, sdata); if (res) goto err_stop; } @@ -286,6 +297,13 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up) netif_carrier_off(dev); else netif_carrier_on(dev); + + /* + * set default queue parameters so drivers don't + * need to initialise the hardware if the hardware + * doesn't start up with sane defaults + */ + ieee80211_set_wmm_default(sdata); } set_bit(SDATA_STATE_RUNNING, &sdata->state); @@ -329,15 +347,8 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up) if (coming_up) local->open_count++; - if (hw_reconf_flags) { + if (hw_reconf_flags) ieee80211_hw_config(local, hw_reconf_flags); - /* - * set default queue parameters so drivers don't - * need to initialise the hardware if the hardware - * doesn't start up with sane defaults - */ - ieee80211_set_wmm_default(sdata); - } ieee80211_recalc_ps(local, -1); @@ -345,7 +356,7 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up) return 0; err_del_interface: - drv_remove_interface(local, &sdata->vif); + drv_remove_interface(local, sdata); err_stop: if (!local->open_count) drv_stop(local); @@ -520,7 +531,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, ieee80211_free_keys(sdata); if (going_down) - drv_remove_interface(local, &sdata->vif); + drv_remove_interface(local, sdata); } sdata->bss = NULL; diff --git a/net/mac80211/key.c b/net/mac80211/key.c index 756b157..17a5220 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -133,9 +133,13 @@ static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key) key->flags |= KEY_FLAG_UPLOADED_TO_HARDWARE; if (!((key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC) || - (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))) + (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV) || + (key->conf.flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE))) sdata->crypto_tx_tailroom_needed_cnt--; + WARN_ON((key->conf.flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE) && + (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)); + return 0; } @@ -178,7 +182,8 @@ static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key) sdata = key->sdata; if (!((key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC) || - (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))) + (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV) || + (key->conf.flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE))) increment_tailroom_need_count(sdata); if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) diff --git a/net/mac80211/main.c b/net/mac80211/main.c index d999bf3..e323d4e 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -100,7 +100,7 @@ static void ieee80211_reconfig_filter(struct work_struct *work) */ bool ieee80211_cfg_on_oper_channel(struct ieee80211_local *local) { - struct ieee80211_channel *chan, *scan_chan; + struct ieee80211_channel *chan; enum nl80211_channel_type channel_type; /* This logic needs to match logic in ieee80211_hw_config */ @@ -114,7 +114,7 @@ bool ieee80211_cfg_on_oper_channel(struct ieee80211_local *local) else channel_type = NL80211_CHAN_NO_HT; } else if (local->tmp_channel) { - chan = scan_chan = local->tmp_channel; + chan = local->tmp_channel; channel_type = local->tmp_channel_type; } else { chan = local->oper_channel; @@ -126,8 +126,8 @@ bool ieee80211_cfg_on_oper_channel(struct ieee80211_local *local) return false; /* Check current hardware-config against oper_channel. */ - if ((local->oper_channel != local->hw.conf.channel) || - (local->_oper_channel_type != local->hw.conf.channel_type)) + if (local->oper_channel != local->hw.conf.channel || + local->_oper_channel_type != local->hw.conf.channel_type) return false; return true; @@ -135,7 +135,7 @@ bool ieee80211_cfg_on_oper_channel(struct ieee80211_local *local) int ieee80211_hw_config(struct ieee80211_local *local, u32 changed) { - struct ieee80211_channel *chan, *scan_chan; + struct ieee80211_channel *chan; int ret = 0; int power; enum nl80211_channel_type channel_type; @@ -143,14 +143,12 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed) might_sleep(); - scan_chan = local->scan_channel; - /* If this off-channel logic ever changes, ieee80211_on_oper_channel * may need to change as well. */ offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL; - if (scan_chan) { - chan = scan_chan; + if (local->scan_channel) { + chan = local->scan_channel; /* If scanning on oper channel, use whatever channel-type * is currently in use. */ @@ -159,7 +157,7 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed) else channel_type = NL80211_CHAN_NO_HT; } else if (local->tmp_channel) { - chan = scan_chan = local->tmp_channel; + chan = local->tmp_channel; channel_type = local->tmp_channel_type; } else { chan = local->oper_channel; @@ -595,7 +593,10 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, wiphy->flags |= WIPHY_FLAG_NETNS_OK | WIPHY_FLAG_4ADDR_AP | - WIPHY_FLAG_4ADDR_STATION; + WIPHY_FLAG_4ADDR_STATION | + WIPHY_FLAG_REPORTS_OBSS; + + wiphy->features = NL80211_FEATURE_SK_TX_STATUS; if (!ops->set_key) wiphy->flags |= WIPHY_FLAG_IBSS_RSN; @@ -670,6 +671,11 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, INIT_WORK(&local->sched_scan_stopped_work, ieee80211_sched_scan_stopped_work); + spin_lock_init(&local->ack_status_lock); + idr_init(&local->ack_status_frames); + /* preallocate at least one entry */ + idr_pre_get(&local->ack_status_frames, GFP_KERNEL); + sta_info_init(local); for (i = 0; i < IEEE80211_MAX_QUEUES; i++) { @@ -1045,6 +1051,13 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw) } EXPORT_SYMBOL(ieee80211_unregister_hw); +static int ieee80211_free_ack_frame(int id, void *p, void *data) +{ + WARN_ONCE(1, "Have pending ack frames!\n"); + kfree_skb(p); + return 0; +} + void ieee80211_free_hw(struct ieee80211_hw *hw) { struct ieee80211_local *local = hw_to_local(hw); @@ -1055,6 +1068,10 @@ void ieee80211_free_hw(struct ieee80211_hw *hw) if (local->wiphy_ciphers_allocated) kfree(local->hw.wiphy->cipher_suites); + idr_for_each(&local->ack_status_frames, + ieee80211_free_ack_frame, NULL); + idr_destroy(&local->ack_status_frames); + wiphy_free(local->hw.wiphy); } EXPORT_SYMBOL(ieee80211_free_hw); diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index a7078fd..b3a125f 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -76,6 +76,7 @@ static void ieee80211_mesh_housekeeping_timer(unsigned long data) bool mesh_matches_local(struct ieee802_11_elems *ie, struct ieee80211_sub_if_data *sdata) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; + struct ieee80211_local *local = sdata->local; /* * As support for each feature is added, check for matching @@ -87,15 +88,23 @@ bool mesh_matches_local(struct ieee802_11_elems *ie, struct ieee80211_sub_if_dat * - MDA enabled * - Power management control on fc */ - if (ifmsh->mesh_id_len == ie->mesh_id_len && - memcmp(ifmsh->mesh_id, ie->mesh_id, ie->mesh_id_len) == 0 && - (ifmsh->mesh_pp_id == ie->mesh_config->meshconf_psel) && - (ifmsh->mesh_pm_id == ie->mesh_config->meshconf_pmetric) && - (ifmsh->mesh_cc_id == ie->mesh_config->meshconf_congest) && - (ifmsh->mesh_sp_id == ie->mesh_config->meshconf_synch) && - (ifmsh->mesh_auth_id == ie->mesh_config->meshconf_auth)) - return true; - + if (!(ifmsh->mesh_id_len == ie->mesh_id_len && + memcmp(ifmsh->mesh_id, ie->mesh_id, ie->mesh_id_len) == 0 && + (ifmsh->mesh_pp_id == ie->mesh_config->meshconf_psel) && + (ifmsh->mesh_pm_id == ie->mesh_config->meshconf_pmetric) && + (ifmsh->mesh_cc_id == ie->mesh_config->meshconf_congest) && + (ifmsh->mesh_sp_id == ie->mesh_config->meshconf_synch) && + (ifmsh->mesh_auth_id == ie->mesh_config->meshconf_auth))) + goto mismatch; + + /* disallow peering with mismatched channel types for now */ + if (ie->ht_info_elem && + (local->_oper_channel_type != + ieee80211_ht_info_to_channel_type(ie->ht_info_elem))) + goto mismatch; + + return true; +mismatch: return false; } @@ -341,6 +350,49 @@ int mesh_add_ds_params_ie(struct sk_buff *skb, return 0; } +int mesh_add_ht_cap_ie(struct sk_buff *skb, + struct ieee80211_sub_if_data *sdata) +{ + struct ieee80211_local *local = sdata->local; + struct ieee80211_supported_band *sband; + u8 *pos; + + sband = local->hw.wiphy->bands[local->oper_channel->band]; + if (!sband->ht_cap.ht_supported || + local->_oper_channel_type == NL80211_CHAN_NO_HT) + return 0; + + if (skb_tailroom(skb) < 2 + sizeof(struct ieee80211_ht_cap)) + return -ENOMEM; + + pos = skb_put(skb, 2 + sizeof(struct ieee80211_ht_cap)); + ieee80211_ie_build_ht_cap(pos, sband, sband->ht_cap.cap); + + return 0; +} + +int mesh_add_ht_info_ie(struct sk_buff *skb, + struct ieee80211_sub_if_data *sdata) +{ + struct ieee80211_local *local = sdata->local; + struct ieee80211_channel *channel = local->oper_channel; + enum nl80211_channel_type channel_type = local->_oper_channel_type; + struct ieee80211_supported_band *sband = + local->hw.wiphy->bands[channel->band]; + struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap; + u8 *pos; + + if (!ht_cap->ht_supported || channel_type == NL80211_CHAN_NO_HT) + return 0; + + if (skb_tailroom(skb) < 2 + sizeof(struct ieee80211_ht_info)) + return -ENOMEM; + + pos = skb_put(skb, 2 + sizeof(struct ieee80211_ht_info)); + ieee80211_ie_build_ht_info(pos, ht_cap, channel, channel_type); + + return 0; +} static void ieee80211_mesh_path_timer(unsigned long data) { struct ieee80211_sub_if_data *sdata = diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h index 8c00e2d..622cc96 100644 --- a/net/mac80211/mesh.h +++ b/net/mac80211/mesh.h @@ -31,6 +31,8 @@ * @MESH_PATH_FIXED: the mesh path has been manually set and should not be * modified * @MESH_PATH_RESOLVED: the mesh path can has been resolved + * @MESH_PATH_REQ_QUEUED: there is an unsent path request for this destination + * already queued up, waiting for the discovery process to start. * * MESH_PATH_RESOLVED is used by the mesh path timer to * decide when to stop or cancel the mesh path discovery. @@ -41,6 +43,7 @@ enum mesh_path_flags { MESH_PATH_SN_VALID = BIT(2), MESH_PATH_FIXED = BIT(3), MESH_PATH_RESOLVED = BIT(4), + MESH_PATH_REQ_QUEUED = BIT(5), }; /** @@ -212,6 +215,10 @@ int mesh_add_vendor_ies(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata); int mesh_add_ds_params_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata); +int mesh_add_ht_cap_ie(struct sk_buff *skb, + struct ieee80211_sub_if_data *sdata); +int mesh_add_ht_info_ie(struct sk_buff *skb, + struct ieee80211_sub_if_data *sdata); void mesh_rmc_free(struct ieee80211_sub_if_data *sdata); int mesh_rmc_init(struct ieee80211_sub_if_data *sdata); void ieee80211s_init(void); diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index 174040a..a7afb2d 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -113,20 +113,20 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags, struct ieee80211_sub_if_data *sdata) { struct ieee80211_local *local = sdata->local; - struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400); + struct sk_buff *skb; struct ieee80211_mgmt *mgmt; - u8 *pos; - int ie_len; + u8 *pos, ie_len; + int hdr_len = offsetof(struct ieee80211_mgmt, u.action.u.mesh_action) + + sizeof(mgmt->u.action.u.mesh_action); + skb = dev_alloc_skb(local->hw.extra_tx_headroom + + hdr_len + + 2 + 37); /* max HWMP IE */ if (!skb) return -1; skb_reserve(skb, local->hw.extra_tx_headroom); - /* 25 is the size of the common mgmt part (24) plus the size of the - * common action part (1) - */ - mgmt = (struct ieee80211_mgmt *) - skb_put(skb, 25 + sizeof(mgmt->u.action.u.mesh_action)); - memset(mgmt, 0, 25 + sizeof(mgmt->u.action.u.mesh_action)); + mgmt = (struct ieee80211_mgmt *) skb_put(skb, hdr_len); + memset(mgmt, 0, hdr_len); mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); @@ -240,20 +240,20 @@ int mesh_path_error_tx(u8 ttl, u8 *target, __le32 target_sn, struct ieee80211_sub_if_data *sdata) { struct ieee80211_local *local = sdata->local; - struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400); + struct sk_buff *skb; struct ieee80211_mgmt *mgmt; - u8 *pos; - int ie_len; + u8 *pos, ie_len; + int hdr_len = offsetof(struct ieee80211_mgmt, u.action.u.mesh_action) + + sizeof(mgmt->u.action.u.mesh_action); + skb = dev_alloc_skb(local->hw.extra_tx_headroom + + hdr_len + + 2 + 15 /* PERR IE */); if (!skb) return -1; skb_reserve(skb, local->tx_headroom + local->hw.extra_tx_headroom); - /* 25 is the size of the common mgmt part (24) plus the size of the - * common action part (1) - */ - mgmt = (struct ieee80211_mgmt *) - skb_put(skb, 25 + sizeof(mgmt->u.action.u.mesh_action)); - memset(mgmt, 0, 25 + sizeof(mgmt->u.action.u.mesh_action)); + mgmt = (struct ieee80211_mgmt *) skb_put(skb, hdr_len); + memset(mgmt, 0, hdr_len); mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); @@ -867,9 +867,19 @@ static void mesh_queue_preq(struct mesh_path *mpath, u8 flags) return; } + spin_lock_bh(&mpath->state_lock); + if (mpath->flags & MESH_PATH_REQ_QUEUED) { + spin_unlock_bh(&mpath->state_lock); + spin_unlock_bh(&ifmsh->mesh_preq_queue_lock); + return; + } + memcpy(preq_node->dst, mpath->dst, ETH_ALEN); preq_node->flags = flags; + mpath->flags |= MESH_PATH_REQ_QUEUED; + spin_unlock_bh(&mpath->state_lock); + list_add_tail(&preq_node->list, &ifmsh->preq_queue.list); ++ifmsh->preq_queue_len; spin_unlock_bh(&ifmsh->mesh_preq_queue_lock); @@ -921,6 +931,7 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata) goto enddiscovery; spin_lock_bh(&mpath->state_lock); + mpath->flags &= ~MESH_PATH_REQ_QUEUED; if (preq_node->flags & PREQ_Q_F_START) { if (mpath->flags & MESH_PATH_RESOLVING) { spin_unlock_bh(&mpath->state_lock); @@ -1028,11 +1039,11 @@ int mesh_nexthop_lookup(struct sk_buff *skb, mesh_queue_preq(mpath, PREQ_Q_F_START); } - if (skb_queue_len(&mpath->frame_queue) >= - MESH_FRAME_QUEUE_LEN) + if (skb_queue_len(&mpath->frame_queue) >= MESH_FRAME_QUEUE_LEN) skb_to_free = skb_dequeue(&mpath->frame_queue); info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING; + ieee80211_set_qos_hdr(sdata, skb); skb_queue_tail(&mpath->frame_queue, skb); if (skb_to_free) mesh_path_discard_frame(skb_to_free, sdata); @@ -1061,6 +1072,7 @@ void mesh_path_timer(unsigned long data) } else if (mpath->discovery_retries < max_preq_retries(sdata)) { ++mpath->discovery_retries; mpath->discovery_timeout *= 2; + mpath->flags &= ~MESH_PATH_REQ_QUEUED; spin_unlock_bh(&mpath->state_lock); mesh_queue_preq(mpath, 0); } else { diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index 7f54c50..4fc23d1 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -213,7 +213,6 @@ void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta) struct ieee80211_hdr *hdr; struct sk_buff_head tmpq; unsigned long flags; - struct ieee80211_sub_if_data *sdata = mpath->sdata; rcu_assign_pointer(mpath->next_hop, sta); @@ -224,8 +223,6 @@ void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta) while ((skb = __skb_dequeue(&mpath->frame_queue)) != NULL) { hdr = (struct ieee80211_hdr *) skb->data; memcpy(hdr->addr1, sta->sta.addr, ETH_ALEN); - skb_set_queue_mapping(skb, ieee80211_select_queue(sdata, skb)); - ieee80211_set_qos_hdr(sdata, skb); __skb_queue_tail(&tmpq, skb); } diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index 7e57f5d..0140e88 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -80,11 +80,15 @@ static inline void mesh_plink_fsm_restart(struct sta_info *sta) * on it in the lifecycle management section! */ static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata, - u8 *hw_addr, u32 rates) + u8 *hw_addr, u32 rates, + struct ieee802_11_elems *elems) { struct ieee80211_local *local = sdata->local; + struct ieee80211_supported_band *sband; struct sta_info *sta; + sband = local->hw.wiphy->bands[local->oper_channel->band]; + if (local->num_sta >= MESH_MAX_PLINKS) return NULL; @@ -96,6 +100,9 @@ static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata, set_sta_flag(sta, WLAN_STA_AUTHORIZED); set_sta_flag(sta, WLAN_STA_WME); sta->sta.supp_rates[local->hw.conf.channel->band] = rates; + if (elems->ht_cap_elem) + ieee80211_ht_cap_ie_to_sta_ht_cap(sband, elems->ht_cap_elem, + &sta->sta.ht_cap); rate_control_rate_init(sta); return sta; @@ -153,23 +160,31 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, enum ieee80211_self_protected_actioncode action, u8 *da, __le16 llid, __le16 plid, __le16 reason) { struct ieee80211_local *local = sdata->local; - struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400 + - sdata->u.mesh.ie_len); + struct sk_buff *skb; struct ieee80211_mgmt *mgmt; bool include_plid = false; - int ie_len = 4; u16 peering_proto = 0; - u8 *pos; - + u8 *pos, ie_len = 4; + int hdr_len = offsetof(struct ieee80211_mgmt, u.action.u.self_prot) + + sizeof(mgmt->u.action.u.self_prot); + + skb = dev_alloc_skb(local->hw.extra_tx_headroom + + hdr_len + + 2 + /* capability info */ + 2 + /* AID */ + 2 + 8 + /* supported rates */ + 2 + (IEEE80211_MAX_SUPP_RATES - 8) + + 2 + sdata->u.mesh.mesh_id_len + + 2 + sizeof(struct ieee80211_meshconf_ie) + + 2 + sizeof(struct ieee80211_ht_cap) + + 2 + sizeof(struct ieee80211_ht_info) + + 2 + 8 + /* peering IE */ + sdata->u.mesh.ie_len); if (!skb) return -1; skb_reserve(skb, local->hw.extra_tx_headroom); - /* 25 is the size of the common mgmt part (24) plus the size of the - * common action part (1) - */ - mgmt = (struct ieee80211_mgmt *) - skb_put(skb, 25 + sizeof(mgmt->u.action.u.self_prot)); - memset(mgmt, 0, 25 + sizeof(mgmt->u.action.u.self_prot)); + mgmt = (struct ieee80211_mgmt *) skb_put(skb, hdr_len); + memset(mgmt, 0, hdr_len); mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); memcpy(mgmt->da, da, ETH_ALEN); @@ -235,6 +250,13 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, memcpy(pos, &reason, 2); pos += 2; } + + if (action != WLAN_SP_MESH_PEERING_CLOSE) { + if (mesh_add_ht_cap_ie(skb, sdata) || + mesh_add_ht_info_ie(skb, sdata)) + return -1; + } + if (mesh_add_vendor_ies(skb, sdata)) return -1; @@ -261,7 +283,7 @@ void mesh_neighbour_update(u8 *hw_addr, u32 rates, elems->ie_start, elems->total_len, GFP_KERNEL); else - sta = mesh_plink_alloc(sdata, hw_addr, rates); + sta = mesh_plink_alloc(sdata, hw_addr, rates, elems); if (!sta) return; if (sta_info_insert_rcu(sta)) { @@ -552,7 +574,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m } rates = ieee80211_sta_get_rates(local, &elems, rx_status->band); - sta = mesh_plink_alloc(sdata, mgmt->sa, rates); + sta = mesh_plink_alloc(sdata, mgmt->sa, rates, &elems); if (!sta) { mpl_dbg("Mesh plink error: plink table full\n"); return; diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 17258fe..b25567a 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1466,6 +1466,47 @@ ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata, return RX_MGMT_CFG80211_DISASSOC; } +static void ieee80211_get_rates(struct ieee80211_supported_band *sband, + u8 *supp_rates, unsigned int supp_rates_len, + u32 *rates, u32 *basic_rates, + bool *have_higher_than_11mbit, + int *min_rate, int *min_rate_index) +{ + int i, j; + + for (i = 0; i < supp_rates_len; i++) { + int rate = (supp_rates[i] & 0x7f) * 5; + bool is_basic = !!(supp_rates[i] & 0x80); + + if (rate > 110) + *have_higher_than_11mbit = true; + + /* + * BSS_MEMBERSHIP_SELECTOR_HT_PHY is defined in 802.11n-2009 + * 7.3.2.2 as a magic value instead of a rate. Hence, skip it. + * + * Note: Even through the membership selector and the basic + * rate flag share the same bit, they are not exactly + * the same. + */ + if (!!(supp_rates[i] & 0x80) && + (supp_rates[i] & 0x7f) == BSS_MEMBERSHIP_SELECTOR_HT_PHY) + continue; + + for (j = 0; j < sband->n_bitrates; j++) { + if (sband->bitrates[j].bitrate == rate) { + *rates |= BIT(j); + if (is_basic) + *basic_rates |= BIT(j); + if (rate < *min_rate) { + *min_rate = rate; + *min_rate_index = j; + } + break; + } + } + } +} static bool ieee80211_assoc_success(struct ieee80211_work *wk, struct ieee80211_mgmt *mgmt, size_t len) @@ -1482,9 +1523,10 @@ static bool ieee80211_assoc_success(struct ieee80211_work *wk, struct ieee802_11_elems elems; struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf; u32 changed = 0; - int i, j, err; + int err; bool have_higher_than_11mbit = false; u16 ap_ht_cap_flags; + int min_rate = INT_MAX, min_rate_index = -1; /* AssocResp and ReassocResp have identical structure */ @@ -1539,38 +1581,23 @@ static bool ieee80211_assoc_success(struct ieee80211_work *wk, basic_rates = 0; sband = local->hw.wiphy->bands[wk->chan->band]; - for (i = 0; i < elems.supp_rates_len; i++) { - int rate = (elems.supp_rates[i] & 0x7f) * 5; - bool is_basic = !!(elems.supp_rates[i] & 0x80); - - if (rate > 110) - have_higher_than_11mbit = true; - - for (j = 0; j < sband->n_bitrates; j++) { - if (sband->bitrates[j].bitrate == rate) { - rates |= BIT(j); - if (is_basic) - basic_rates |= BIT(j); - break; - } - } - } + ieee80211_get_rates(sband, elems.supp_rates, elems.supp_rates_len, + &rates, &basic_rates, &have_higher_than_11mbit, + &min_rate, &min_rate_index); - for (i = 0; i < elems.ext_supp_rates_len; i++) { - int rate = (elems.ext_supp_rates[i] & 0x7f) * 5; - bool is_basic = !!(elems.ext_supp_rates[i] & 0x80); + ieee80211_get_rates(sband, elems.ext_supp_rates, + elems.ext_supp_rates_len, &rates, &basic_rates, + &have_higher_than_11mbit, + &min_rate, &min_rate_index); - if (rate > 110) - have_higher_than_11mbit = true; - - for (j = 0; j < sband->n_bitrates; j++) { - if (sband->bitrates[j].bitrate == rate) { - rates |= BIT(j); - if (is_basic) - basic_rates |= BIT(j); - break; - } - } + /* + * some buggy APs don't advertise basic_rates. use the lowest + * supported rate instead. + */ + if (unlikely(!basic_rates) && min_rate_index >= 0) { + printk(KERN_DEBUG "%s: No basic rates in AssocResp. " + "Using min supported rate instead.\n", sdata->name); + basic_rates = BIT(min_rate_index); } sta->sta.supp_rates[wk->chan->band] = rates; diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c index 9ee7164..596efaf 100644 --- a/net/mac80211/pm.c +++ b/net/mac80211/pm.c @@ -125,7 +125,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); - drv_remove_interface(local, &sdata->vif); + drv_remove_interface(local, sdata); } /* stop hardware - this must stop RX */ diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index b867bd5..5f6751a 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -744,10 +744,11 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx) struct ieee80211_local *local = rx->local; struct ieee80211_hw *hw = &local->hw; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); struct sta_info *sta = rx->sta; struct tid_ampdu_rx *tid_agg_rx; u16 sc; - int tid; + u8 tid, ack_policy; if (!ieee80211_is_data_qos(hdr->frame_control)) goto dont_reorder; @@ -760,6 +761,8 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx) if (!sta) goto dont_reorder; + ack_policy = *ieee80211_get_qos_ctl(hdr) & + IEEE80211_QOS_CTL_ACK_POLICY_MASK; tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK; tid_agg_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[tid]); @@ -770,6 +773,15 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx) if (unlikely(hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_NULLFUNC))) goto dont_reorder; + /* not part of a BA session */ + if (ack_policy != IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK && + ack_policy != IEEE80211_QOS_CTL_ACK_POLICY_NORMAL) + goto dont_reorder; + + /* not actually part of this BA session */ + if (!(status->rx_flags & IEEE80211_RX_RA_MATCH)) + goto dont_reorder; + /* new, potentially un-ordered, ampdu frame - process it */ /* reset session timer */ @@ -854,6 +866,13 @@ ieee80211_rx_h_check(struct ieee80211_rx_data *rx) rx->sdata->control_port_protocol) return RX_CONTINUE; } + + if (rx->sdata->vif.type == NL80211_IFTYPE_AP && + cfg80211_rx_spurious_frame(rx->sdata->dev, + hdr->addr2, + GFP_ATOMIC)) + return RX_DROP_UNUSABLE; + return RX_DROP_MONITOR; } @@ -1323,15 +1342,20 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx) /* * If we receive a 4-addr nullfunc frame from a STA - * that was not moved to a 4-addr STA vlan yet, drop - * the frame to the monitor interface, to make sure - * that hostapd sees it + * that was not moved to a 4-addr STA vlan yet send + * the event to userspace and for older hostapd drop + * the frame to the monitor interface. */ if (ieee80211_has_a4(hdr->frame_control) && (rx->sdata->vif.type == NL80211_IFTYPE_AP || (rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && - !rx->sdata->u.vlan.sta))) + !rx->sdata->u.vlan.sta))) { + if (!test_and_set_sta_flag(sta, WLAN_STA_4ADDR_EVENT)) + cfg80211_rx_unexpected_4addr_frame( + rx->sdata->dev, sta->sta.addr, + GFP_ATOMIC); return RX_DROP_MONITOR; + } /* * Update counter and free packet here to avoid * counting this as a dropped packed. @@ -1929,6 +1953,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) compare_ether_addr(sdata->vif.addr, hdr->addr3) == 0) return RX_CONTINUE; + skb_set_queue_mapping(skb, ieee80211_select_queue(sdata, skb)); mesh_hdr->ttl--; if (status->rx_flags & IEEE80211_RX_RA_MATCH) { @@ -1953,12 +1978,10 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) memset(info, 0, sizeof(*info)); info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING; info->control.vif = &rx->sdata->vif; + info->control.jiffies = jiffies; if (is_multicast_ether_addr(fwd_hdr->addr1)) { IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.mesh, fwded_mcast); - skb_set_queue_mapping(fwd_skb, - ieee80211_select_queue(sdata, fwd_skb)); - ieee80211_set_qos_hdr(sdata, fwd_skb); } else { int err; /* @@ -2010,12 +2033,17 @@ ieee80211_rx_h_data(struct ieee80211_rx_data *rx) return RX_DROP_MONITOR; /* - * Allow the cooked monitor interface of an AP to see 4-addr frames so - * that a 4-addr station can be detected and moved into a separate VLAN + * Send unexpected-4addr-frame event to hostapd. For older versions, + * also drop the frame to cooked monitor interfaces. */ if (ieee80211_has_a4(hdr->frame_control) && - sdata->vif.type == NL80211_IFTYPE_AP) + sdata->vif.type == NL80211_IFTYPE_AP) { + if (rx->sta && + !test_and_set_sta_flag(rx->sta, WLAN_STA_4ADDR_EVENT)) + cfg80211_rx_unexpected_4addr_frame( + rx->sdata->dev, rx->sta->sta.addr, GFP_ATOMIC); return RX_DROP_MONITOR; + } err = __ieee80211_data_to_8023(rx, &port_control); if (unlikely(err)) @@ -2170,6 +2198,18 @@ ieee80211_rx_h_mgmt_check(struct ieee80211_rx_data *rx) if (!ieee80211_is_mgmt(mgmt->frame_control)) return RX_DROP_MONITOR; + if (rx->sdata->vif.type == NL80211_IFTYPE_AP && + ieee80211_is_beacon(mgmt->frame_control) && + !(rx->flags & IEEE80211_RX_BEACON_REPORTED)) { + struct ieee80211_rx_status *status; + + status = IEEE80211_SKB_RXCB(rx->skb); + cfg80211_report_obss_beacon(rx->local->hw.wiphy, + rx->skb->data, rx->skb->len, + status->freq, GFP_ATOMIC); + rx->flags |= IEEE80211_RX_BEACON_REPORTED; + } + if (!(status->rx_flags & IEEE80211_RX_RA_MATCH)) return RX_DROP_MONITOR; @@ -2203,13 +2243,8 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) switch (mgmt->u.action.category) { case WLAN_CATEGORY_BACK: - /* - * The aggregation code is not prepared to handle - * anything but STA/AP due to the BSSID handling; - * IBSS could work in the code but isn't supported - * by drivers or the standard. - */ if (sdata->vif.type != NL80211_IFTYPE_STATION && + sdata->vif.type != NL80211_IFTYPE_MESH_POINT && sdata->vif.type != NL80211_IFTYPE_AP_VLAN && sdata->vif.type != NL80211_IFTYPE_AP) break; @@ -2489,6 +2524,10 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx, goto out_free_skb; rx->flags |= IEEE80211_RX_CMNTR; + /* If there are no cooked monitor interfaces, just free the SKB */ + if (!local->cooked_mntrs) + goto out_free_skb; + if (skb_headroom(skb) < sizeof(*rthdr) && pskb_expand_head(skb, sizeof(*rthdr), 0, GFP_ATOMIC)) goto out_free_skb; diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index ce962d2..8eaa746 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -1354,12 +1354,12 @@ ieee80211_sta_ps_deliver_response(struct sta_info *sta, * Use MoreData flag to indicate whether there are * more buffered frames for this STA */ - if (!more_data) - hdr->frame_control &= - cpu_to_le16(~IEEE80211_FCTL_MOREDATA); - else + if (more_data || !skb_queue_empty(&frames)) hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREDATA); + else + hdr->frame_control &= + cpu_to_le16(~IEEE80211_FCTL_MOREDATA); if (ieee80211_is_data_qos(hdr->frame_control) || ieee80211_is_qos_nullfunc(hdr->frame_control)) diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index 8c8ce05..c5923ab 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -52,6 +52,7 @@ * unblocks the station. * @WLAN_STA_SP: Station is in a service period, so don't try to * reply to other uAPSD trigger frames or PS-Poll. + * @WLAN_STA_4ADDR_EVENT: 4-addr event was already sent for this frame. */ enum ieee80211_sta_info_flags { WLAN_STA_AUTH, @@ -71,6 +72,7 @@ enum ieee80211_sta_info_flags { WLAN_STA_TDLS_PEER_AUTH, WLAN_STA_UAPSD, WLAN_STA_SP, + WLAN_STA_4ADDR_EVENT, }; #define STA_TID_NUM 16 @@ -390,6 +392,12 @@ static inline int test_and_clear_sta_flag(struct sta_info *sta, return test_and_clear_bit(flag, &sta->_flags); } +static inline int test_and_set_sta_flag(struct sta_info *sta, + enum ieee80211_sta_info_flags flag) +{ + return test_and_set_bit(flag, &sta->_flags); +} + void ieee80211_assign_tid_tx(struct sta_info *sta, int tid, struct tid_ampdu_tx *tid_tx); diff --git a/net/mac80211/status.c b/net/mac80211/status.c index df643ce..83b800d 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -516,27 +516,54 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) } if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) { - struct ieee80211_work *wk; u64 cookie = (unsigned long)skb; - rcu_read_lock(); - list_for_each_entry_rcu(wk, &local->work_list, list) { - if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX) - continue; - if (wk->offchan_tx.frame != skb) - continue; - wk->offchan_tx.status = true; - break; - } - rcu_read_unlock(); - if (local->hw_roc_skb_for_status == skb) { - cookie = local->hw_roc_cookie ^ 2; - local->hw_roc_skb_for_status = NULL; + if (ieee80211_is_nullfunc(hdr->frame_control) || + ieee80211_is_qos_nullfunc(hdr->frame_control)) { + bool acked = info->flags & IEEE80211_TX_STAT_ACK; + cfg80211_probe_status(skb->dev, hdr->addr1, + cookie, acked, GFP_ATOMIC); + } else { + struct ieee80211_work *wk; + + rcu_read_lock(); + list_for_each_entry_rcu(wk, &local->work_list, list) { + if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX) + continue; + if (wk->offchan_tx.frame != skb) + continue; + wk->offchan_tx.status = true; + break; + } + rcu_read_unlock(); + if (local->hw_roc_skb_for_status == skb) { + cookie = local->hw_roc_cookie ^ 2; + local->hw_roc_skb_for_status = NULL; + } + + cfg80211_mgmt_tx_status( + skb->dev, cookie, skb->data, skb->len, + !!(info->flags & IEEE80211_TX_STAT_ACK), + GFP_ATOMIC); } + } - cfg80211_mgmt_tx_status( - skb->dev, cookie, skb->data, skb->len, - !!(info->flags & IEEE80211_TX_STAT_ACK), GFP_ATOMIC); + if (unlikely(info->ack_frame_id)) { + struct sk_buff *ack_skb; + unsigned long flags; + + spin_lock_irqsave(&local->ack_status_lock, flags); + ack_skb = idr_find(&local->ack_status_frames, + info->ack_frame_id); + if (ack_skb) + idr_remove(&local->ack_status_frames, + info->ack_frame_id); + spin_unlock_irqrestore(&local->ack_status_lock, flags); + + /* consumes ack_skb */ + if (ack_skb) + skb_complete_wifi_ack(ack_skb, + info->flags & IEEE80211_TX_STAT_ACK); } /* this was a transmitted frame, but now we want to reuse it */ @@ -609,3 +636,29 @@ void ieee80211_report_low_ack(struct ieee80211_sta *pubsta, u32 num_packets) num_packets, GFP_ATOMIC); } EXPORT_SYMBOL(ieee80211_report_low_ack); + +void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb) +{ + struct ieee80211_local *local = hw_to_local(hw); + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + + if (unlikely(info->ack_frame_id)) { + struct sk_buff *ack_skb; + unsigned long flags; + + spin_lock_irqsave(&local->ack_status_lock, flags); + ack_skb = idr_find(&local->ack_status_frames, + info->ack_frame_id); + if (ack_skb) + idr_remove(&local->ack_status_frames, + info->ack_frame_id); + spin_unlock_irqrestore(&local->ack_status_lock, flags); + + /* consumes ack_skb */ + if (ack_skb) + dev_kfree_skb_any(ack_skb); + } + + dev_kfree_skb_any(skb); +} +EXPORT_SYMBOL(ieee80211_free_txskb); diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 48bbb96..ab6cb56 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1684,8 +1684,10 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, int nh_pos, h_pos; struct sta_info *sta = NULL; bool wme_sta = false, authorized = false, tdls_auth = false; - struct sk_buff *tmp_skb; bool tdls_direct = false; + bool multicast; + u32 info_flags = 0; + u16 info_id = 0; if (unlikely(skb->len < ETH_HLEN)) { ret = NETDEV_TX_OK; @@ -1872,7 +1874,8 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, * if it is a multicast address (which can only happen * in AP mode) */ - if (!is_multicast_ether_addr(hdr.addr1)) { + multicast = is_multicast_ether_addr(hdr.addr1); + if (!multicast) { rcu_read_lock(); sta = sta_info_get(sdata, hdr.addr1); if (sta) { @@ -1913,11 +1916,54 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, goto fail; } + if (unlikely(!multicast && skb->sk && + skb_shinfo(skb)->tx_flags & SKBTX_WIFI_STATUS)) { + struct sk_buff *orig_skb = skb; + + skb = skb_clone(skb, GFP_ATOMIC); + if (skb) { + unsigned long flags; + int id, r; + + spin_lock_irqsave(&local->ack_status_lock, flags); + r = idr_get_new_above(&local->ack_status_frames, + orig_skb, 1, &id); + if (r == -EAGAIN) { + idr_pre_get(&local->ack_status_frames, + GFP_ATOMIC); + r = idr_get_new_above(&local->ack_status_frames, + orig_skb, 1, &id); + } + if (WARN_ON(!id) || id > 0xffff) { + idr_remove(&local->ack_status_frames, id); + r = -ERANGE; + } + spin_unlock_irqrestore(&local->ack_status_lock, flags); + + if (!r) { + info_id = id; + info_flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; + } else if (skb_shared(skb)) { + kfree_skb(orig_skb); + } else { + kfree_skb(skb); + skb = orig_skb; + } + } else { + /* couldn't clone -- lose tx status ... */ + skb = orig_skb; + } + } + /* * If the skb is shared we need to obtain our own copy. */ if (skb_shared(skb)) { - tmp_skb = skb; + struct sk_buff *tmp_skb = skb; + + /* can't happen -- skb is a clone if info_id != 0 */ + WARN_ON(info_id); + skb = skb_clone(skb, GFP_ATOMIC); kfree_skb(tmp_skb); @@ -2018,6 +2064,10 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, memset(info, 0, sizeof(*info)); dev->trans_start = jiffies; + + info->flags = info_flags; + info->ack_frame_id = info_id; + ieee80211_xmit(sdata, skb); return NETDEV_TX_OK; @@ -2278,22 +2328,31 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, } else if (ieee80211_vif_is_mesh(&sdata->vif)) { struct ieee80211_mgmt *mgmt; u8 *pos; + int hdr_len = offsetof(struct ieee80211_mgmt, u.beacon) + + sizeof(mgmt->u.beacon); #ifdef CONFIG_MAC80211_MESH if (!sdata->u.mesh.mesh_id_len) goto out; #endif - /* headroom, head length, tail length and maximum TIM length */ - skb = dev_alloc_skb(local->tx_headroom + 400 + - sdata->u.mesh.ie_len); + skb = dev_alloc_skb(local->tx_headroom + + hdr_len + + 2 + /* NULL SSID */ + 2 + 8 + /* supported rates */ + 2 + 3 + /* DS params */ + 2 + (IEEE80211_MAX_SUPP_RATES - 8) + + 2 + sizeof(struct ieee80211_ht_cap) + + 2 + sizeof(struct ieee80211_ht_info) + + 2 + sdata->u.mesh.mesh_id_len + + 2 + sizeof(struct ieee80211_meshconf_ie) + + sdata->u.mesh.ie_len); if (!skb) goto out; skb_reserve(skb, local->hw.extra_tx_headroom); - mgmt = (struct ieee80211_mgmt *) - skb_put(skb, 24 + sizeof(mgmt->u.beacon)); - memset(mgmt, 0, 24 + sizeof(mgmt->u.beacon)); + mgmt = (struct ieee80211_mgmt *) skb_put(skb, hdr_len); + memset(mgmt, 0, hdr_len); mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); memset(mgmt->da, 0xff, ETH_ALEN); @@ -2312,6 +2371,8 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, mesh_add_ds_params_ie(skb, sdata) || ieee80211_add_ext_srates_ie(&sdata->vif, skb) || mesh_add_rsn_ie(skb, sdata) || + mesh_add_ht_cap_ie(skb, sdata) || + mesh_add_ht_info_ie(skb, sdata) || mesh_add_meshid_ie(skb, sdata) || mesh_add_meshconf_ie(skb, sdata) || mesh_add_vendor_ies(skb, sdata)) { diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 7439d26..98ca547 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -811,23 +811,8 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, offset = noffset; } - if (sband->ht_cap.ht_supported) { - u16 cap = sband->ht_cap.cap; - __le16 tmp; - - *pos++ = WLAN_EID_HT_CAPABILITY; - *pos++ = sizeof(struct ieee80211_ht_cap); - memset(pos, 0, sizeof(struct ieee80211_ht_cap)); - tmp = cpu_to_le16(cap); - memcpy(pos, &tmp, sizeof(u16)); - pos += sizeof(u16); - *pos++ = sband->ht_cap.ampdu_factor | - (sband->ht_cap.ampdu_density << - IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT); - memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs)); - pos += sizeof(sband->ht_cap.mcs); - pos += 2 + 4 + 1; /* ext info, BF cap, antsel */ - } + if (sband->ht_cap.ht_supported) + pos = ieee80211_ie_build_ht_cap(pos, sband, sband->ht_cap.cap); /* * If adding more here, adjust code in main.c @@ -1021,7 +1006,7 @@ int ieee80211_reconfig(struct ieee80211_local *local) if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && sdata->vif.type != NL80211_IFTYPE_MONITOR && ieee80211_sdata_running(sdata)) - res = drv_add_interface(local, &sdata->vif); + res = drv_add_interface(local, sdata); } /* add STAs back */ @@ -1072,7 +1057,8 @@ int ieee80211_reconfig(struct ieee80211_local *local) BSS_CHANGED_BEACON_INT | BSS_CHANGED_BSSID | BSS_CHANGED_CQM | - BSS_CHANGED_QOS; + BSS_CHANGED_QOS | + BSS_CHANGED_IDLE; switch (sdata->vif.type) { case NL80211_IFTYPE_STATION: @@ -1362,6 +1348,103 @@ void ieee80211_disable_rssi_reports(struct ieee80211_vif *vif) } EXPORT_SYMBOL(ieee80211_disable_rssi_reports); +u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_supported_band *sband, + u16 cap) +{ + __le16 tmp; + + *pos++ = WLAN_EID_HT_CAPABILITY; + *pos++ = sizeof(struct ieee80211_ht_cap); + memset(pos, 0, sizeof(struct ieee80211_ht_cap)); + + /* capability flags */ + tmp = cpu_to_le16(cap); + memcpy(pos, &tmp, sizeof(u16)); + pos += sizeof(u16); + + /* AMPDU parameters */ + *pos++ = sband->ht_cap.ampdu_factor | + (sband->ht_cap.ampdu_density << + IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT); + + /* MCS set */ + memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs)); + pos += sizeof(sband->ht_cap.mcs); + + /* extended capabilities */ + pos += sizeof(__le16); + + /* BF capabilities */ + pos += sizeof(__le32); + + /* antenna selection */ + pos += sizeof(u8); + + return pos; +} + +u8 *ieee80211_ie_build_ht_info(u8 *pos, + struct ieee80211_sta_ht_cap *ht_cap, + struct ieee80211_channel *channel, + enum nl80211_channel_type channel_type) +{ + struct ieee80211_ht_info *ht_info; + /* Build HT Information */ + *pos++ = WLAN_EID_HT_INFORMATION; + *pos++ = sizeof(struct ieee80211_ht_info); + ht_info = (struct ieee80211_ht_info *)pos; + ht_info->control_chan = + ieee80211_frequency_to_channel(channel->center_freq); + switch (channel_type) { + case NL80211_CHAN_HT40MINUS: + ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_BELOW; + break; + case NL80211_CHAN_HT40PLUS: + ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_ABOVE; + break; + case NL80211_CHAN_HT20: + default: + ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_NONE; + break; + } + if (ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) + ht_info->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY; + ht_info->operation_mode = 0x0000; + ht_info->stbc_param = 0x0000; + + /* It seems that Basic MCS set and Supported MCS set + are identical for the first 10 bytes */ + memset(&ht_info->basic_set, 0, 16); + memcpy(&ht_info->basic_set, &ht_cap->mcs, 10); + + return pos + sizeof(struct ieee80211_ht_info); +} + +enum nl80211_channel_type +ieee80211_ht_info_to_channel_type(struct ieee80211_ht_info *ht_info) +{ + enum nl80211_channel_type channel_type; + + if (!ht_info) + return NL80211_CHAN_NO_HT; + + switch (ht_info->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) { + case IEEE80211_HT_PARAM_CHA_SEC_NONE: + channel_type = NL80211_CHAN_HT20; + break; + case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: + channel_type = NL80211_CHAN_HT40PLUS; + break; + case IEEE80211_HT_PARAM_CHA_SEC_BELOW: + channel_type = NL80211_CHAN_HT40MINUS; + break; + default: + channel_type = NL80211_CHAN_NO_HT; + } + + return channel_type; +} + int ieee80211_add_srates_ie(struct ieee80211_vif *vif, struct sk_buff *skb) { struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c index fd52e69..4332711 100644 --- a/net/mac80211/wme.c +++ b/net/mac80211/wme.c @@ -83,7 +83,7 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, break; #ifdef CONFIG_MAC80211_MESH case NL80211_IFTYPE_MESH_POINT: - ra = skb->data; + qos = true; break; #endif case NL80211_IFTYPE_STATION: @@ -143,11 +143,15 @@ void ieee80211_set_qos_hdr(struct ieee80211_sub_if_data *sdata, /* Fill in the QoS header if there is one. */ if (ieee80211_is_data_qos(hdr->frame_control)) { u8 *p = ieee80211_get_qos_ctl(hdr); - u8 ack_policy = 0, tid; + u8 ack_policy, tid; tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK; - if (unlikely(sdata->local->wifi_wme_noack_test)) + /* preserve EOSP bit */ + ack_policy = *p & IEEE80211_QOS_CTL_EOSP; + + if (unlikely(sdata->local->wifi_wme_noack_test) || + is_multicast_ether_addr(hdr->addr1)) ack_policy |= IEEE80211_QOS_CTL_ACK_POLICY_NOACK; /* qos header is 2 bytes */ *p++ = ack_policy | tid; diff --git a/net/mac80211/work.c b/net/mac80211/work.c index 6c53b6d..3dd5a89 100644 --- a/net/mac80211/work.c +++ b/net/mac80211/work.c @@ -103,7 +103,6 @@ static void ieee80211_add_ht_ie(struct sk_buff *skb, const u8 *ht_info_ie, u8 *pos; u32 flags = channel->flags; u16 cap = sband->ht_cap.cap; - __le16 tmp; if (!sband->ht_cap.ht_supported) return; @@ -154,34 +153,8 @@ static void ieee80211_add_ht_ie(struct sk_buff *skb, const u8 *ht_info_ie, } /* reserve and fill IE */ - pos = skb_put(skb, sizeof(struct ieee80211_ht_cap) + 2); - *pos++ = WLAN_EID_HT_CAPABILITY; - *pos++ = sizeof(struct ieee80211_ht_cap); - memset(pos, 0, sizeof(struct ieee80211_ht_cap)); - - /* capability flags */ - tmp = cpu_to_le16(cap); - memcpy(pos, &tmp, sizeof(u16)); - pos += sizeof(u16); - - /* AMPDU parameters */ - *pos++ = sband->ht_cap.ampdu_factor | - (sband->ht_cap.ampdu_density << - IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT); - - /* MCS set */ - memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs)); - pos += sizeof(sband->ht_cap.mcs); - - /* extended capabilities */ - pos += sizeof(__le16); - - /* BF capabilities */ - pos += sizeof(__le32); - - /* antenna selection */ - pos += sizeof(u8); + ieee80211_ie_build_ht_cap(pos, sband, cap); } static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata, @@ -969,10 +942,9 @@ static void ieee80211_work_work(struct work_struct *work) } if (!started && !local->tmp_channel) { - bool on_oper_chan; - bool tmp_chan_changed = false; - bool on_oper_chan2; + bool on_oper_chan, on_oper_chan2; enum nl80211_channel_type wk_ct; + on_oper_chan = ieee80211_cfg_on_oper_channel(local); /* Work with existing channel type if possible. */ @@ -981,11 +953,6 @@ static void ieee80211_work_work(struct work_struct *work) wk_ct = ieee80211_calc_ct(wk->chan_type, local->hw.conf.channel_type); - if (local->tmp_channel) - if ((local->tmp_channel != wk->chan) || - (local->tmp_channel_type != wk_ct)) - tmp_chan_changed = true; - local->tmp_channel = wk->chan; local->tmp_channel_type = wk_ct; /* @@ -1008,12 +975,7 @@ static void ieee80211_work_work(struct work_struct *work) true, false); } - } else if (tmp_chan_changed) - /* Still off-channel, but on some other - * channel, so update hardware. - * PS should already be off-channel. - */ - ieee80211_hw_config(local, 0); + } started = true; wk->timeout = jiffies; diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c index f614ce7..13efab5 100644 --- a/net/mac80211/wpa.c +++ b/net/mac80211/wpa.c @@ -390,7 +390,8 @@ static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb) u8 scratch[6 * AES_BLOCK_SIZE]; if (info->control.hw_key && - !(info->control.hw_key->flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { + !(info->control.hw_key->flags & IEEE80211_KEY_FLAG_GENERATE_IV) && + !(info->control.hw_key->flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE)) { /* * hwaccel has no need for preallocated room for CCMP * header or MIC fields @@ -412,6 +413,11 @@ static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb) pos = skb_push(skb, CCMP_HDR_LEN); memmove(pos, pos + CCMP_HDR_LEN, hdrlen); + + /* the HW only needs room for the IV, but not the actual IV */ + if (info->control.hw_key->flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE) + return 0; + hdr = (struct ieee80211_hdr *) pos; pos += hdrlen; diff --git a/net/rfkill/core.c b/net/rfkill/core.c index 5be1957..354760e 100644 --- a/net/rfkill/core.c +++ b/net/rfkill/core.c @@ -644,7 +644,7 @@ static ssize_t rfkill_soft_store(struct device *dev, if (!capable(CAP_NET_ADMIN)) return -EPERM; - err = strict_strtoul(buf, 0, &state); + err = kstrtoul(buf, 0, &state); if (err) return err; @@ -688,7 +688,7 @@ static ssize_t rfkill_state_store(struct device *dev, if (!capable(CAP_NET_ADMIN)) return -EPERM; - err = strict_strtoul(buf, 0, &state); + err = kstrtoul(buf, 0, &state); if (err) return err; diff --git a/net/socket.c b/net/socket.c index 2877647..425ef42 100644 --- a/net/socket.c +++ b/net/socket.c @@ -538,6 +538,8 @@ int sock_tx_timestamp(struct sock *sk, __u8 *tx_flags) *tx_flags |= SKBTX_HW_TSTAMP; if (sock_flag(sk, SOCK_TIMESTAMPING_TX_SOFTWARE)) *tx_flags |= SKBTX_SW_TSTAMP; + if (sock_flag(sk, SOCK_WIFI_STATUS)) + *tx_flags |= SKBTX_WIFI_STATUS; return 0; } EXPORT_SYMBOL(sock_tx_timestamp); @@ -674,6 +676,22 @@ void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk, } EXPORT_SYMBOL_GPL(__sock_recv_timestamp); +void __sock_recv_wifi_status(struct msghdr *msg, struct sock *sk, + struct sk_buff *skb) +{ + int ack; + + if (!sock_flag(sk, SOCK_WIFI_STATUS)) + return; + if (!skb->wifi_acked_valid) + return; + + ack = skb->wifi_acked; + + put_cmsg(msg, SOL_SOCKET, SCM_WIFI_STATUS, sizeof(ack), &ack); +} +EXPORT_SYMBOL_GPL(__sock_recv_wifi_status); + static inline void sock_recv_drops(struct msghdr *msg, struct sock *sk, struct sk_buff *skb) { diff --git a/net/wireless/core.c b/net/wireless/core.c index 220f3bd..ccdfed8 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -492,6 +492,10 @@ int wiphy_register(struct wiphy *wiphy) !(wiphy->wowlan.flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY))) return -EINVAL; + if (WARN_ON(wiphy->ap_sme_capa && + !(wiphy->flags & WIPHY_FLAG_HAVE_AP_SME))) + return -EINVAL; + if (WARN_ON(wiphy->addresses && !wiphy->n_addresses)) return -EINVAL; diff --git a/net/wireless/core.h b/net/wireless/core.h index b9ec306..1c7d4df 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -54,6 +54,8 @@ struct cfg80211_registered_device { int opencount; /* also protected by devlist_mtx */ wait_queue_head_t dev_wait; + u32 ap_beacons_nlpid; + /* BSSes/scanning */ spinlock_t bss_lock; struct list_head bss_list; @@ -376,7 +378,7 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, enum nl80211_channel_type channel_type, bool channel_type_valid, unsigned int wait, const u8 *buf, size_t len, bool no_cck, - u64 *cookie); + bool dont_wait_for_ack, u64 *cookie); /* SME */ int __cfg80211_connect(struct cfg80211_registered_device *rdev, diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index 21fc970..6c1bafd 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -879,6 +879,9 @@ void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid) } spin_unlock_bh(&wdev->mgmt_registrations_lock); + + if (nlpid == wdev->ap_unexpected_nlpid) + wdev->ap_unexpected_nlpid = 0; } void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev) @@ -901,7 +904,7 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, enum nl80211_channel_type channel_type, bool channel_type_valid, unsigned int wait, const u8 *buf, size_t len, bool no_cck, - u64 *cookie) + bool dont_wait_for_ack, u64 *cookie) { struct wireless_dev *wdev = dev->ieee80211_ptr; const struct ieee80211_mgmt *mgmt; @@ -992,7 +995,8 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, /* Transmit the Action frame as requested by user space */ return rdev->ops->mgmt_tx(&rdev->wiphy, dev, chan, offchan, channel_type, channel_type_valid, - wait, buf, len, no_cck, cookie); + wait, buf, len, no_cck, dont_wait_for_ack, + cookie); } bool cfg80211_rx_mgmt(struct net_device *dev, int freq, const u8 *buf, @@ -1107,3 +1111,30 @@ void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); } EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); + +bool cfg80211_rx_spurious_frame(struct net_device *dev, + const u8 *addr, gfp_t gfp) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + + if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && + wdev->iftype != NL80211_IFTYPE_P2P_GO)) + return false; + + return nl80211_unexpected_frame(dev, addr, gfp); +} +EXPORT_SYMBOL(cfg80211_rx_spurious_frame); + +bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, + const u8 *addr, gfp_t gfp) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + + if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && + wdev->iftype != NL80211_IFTYPE_P2P_GO && + wdev->iftype != NL80211_IFTYPE_AP_VLAN)) + return false; + + return nl80211_unexpected_4addr_frame(dev, addr, gfp); +} +EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 48260c2..864fcb6 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -98,7 +98,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, - [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 8 }, + [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 }, [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, @@ -132,8 +132,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG }, - [NL80211_ATTR_HT_CAPABILITY] = { .type = NLA_BINARY, - .len = NL80211_HT_CAPABILITY_LEN }, + [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN }, [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 }, [NL80211_ATTR_IE] = { .type = NLA_BINARY, @@ -197,6 +196,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 }, [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG }, [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG }, + [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG }, }; /* policy for the key attributes */ @@ -204,7 +204,7 @@ static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, [NL80211_KEY_IDX] = { .type = NLA_U8 }, [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, - [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 8 }, + [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, [NL80211_KEY_TYPE] = { .type = NLA_U32 }, @@ -891,6 +891,11 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, } if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) CMD(sched_scan_start, START_SCHED_SCAN); + CMD(probe_client, PROBE_CLIENT); + if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { + i++; + NLA_PUT_U32(msg, i, NL80211_CMD_REGISTER_BEACONS); + } #undef CMD @@ -1008,6 +1013,12 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, if (nl80211_put_iface_combinations(&dev->wiphy, msg)) goto nla_put_failure; + if (dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) + NLA_PUT_U32(msg, NL80211_ATTR_DEVICE_AP_SME, + dev->wiphy.ap_sme_capa); + + NLA_PUT_U32(msg, NL80211_ATTR_FEATURE_FLAGS, dev->wiphy.features); + return genlmsg_end(msg, hdr); nla_put_failure: @@ -1253,6 +1264,12 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) goto bad_res; } + if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && + netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { + result = -EINVAL; + goto bad_res; + } + nla_for_each_nested(nl_txq_params, info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], rem_txq_params) { @@ -5268,10 +5285,11 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) int err; void *hdr; u64 cookie; - struct sk_buff *msg; + struct sk_buff *msg = NULL; unsigned int wait = 0; - bool offchan; - bool no_cck; + bool offchan, no_cck, dont_wait_for_ack; + + dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK]; if (!info->attrs[NL80211_ATTR_FRAME] || !info->attrs[NL80211_ATTR_WIPHY_FREQ]) @@ -5315,29 +5333,36 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) if (chan == NULL) return -EINVAL; - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) - return -ENOMEM; + if (!dont_wait_for_ack) { + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); + if (!msg) + return -ENOMEM; - hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, - NL80211_CMD_FRAME); + hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, + NL80211_CMD_FRAME); - if (IS_ERR(hdr)) { - err = PTR_ERR(hdr); - goto free_msg; + if (IS_ERR(hdr)) { + err = PTR_ERR(hdr); + goto free_msg; + } } + err = cfg80211_mlme_mgmt_tx(rdev, dev, chan, offchan, channel_type, channel_type_valid, wait, nla_data(info->attrs[NL80211_ATTR_FRAME]), nla_len(info->attrs[NL80211_ATTR_FRAME]), - no_cck, &cookie); + no_cck, dont_wait_for_ack, &cookie); if (err) goto free_msg; - NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); + if (msg) { + NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); - genlmsg_end(msg, hdr); - return genlmsg_reply(msg, info); + genlmsg_end(msg, hdr); + return genlmsg_reply(msg, info); + } + + return 0; nla_put_failure: err = -ENOBUFS; @@ -5827,6 +5852,91 @@ static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) return err; } +static int nl80211_register_unexpected_frame(struct sk_buff *skb, + struct genl_info *info) +{ + struct net_device *dev = info->user_ptr[1]; + struct wireless_dev *wdev = dev->ieee80211_ptr; + + if (wdev->iftype != NL80211_IFTYPE_AP && + wdev->iftype != NL80211_IFTYPE_P2P_GO) + return -EINVAL; + + if (wdev->ap_unexpected_nlpid) + return -EBUSY; + + wdev->ap_unexpected_nlpid = info->snd_pid; + return 0; +} + +static int nl80211_probe_client(struct sk_buff *skb, + struct genl_info *info) +{ + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct sk_buff *msg; + void *hdr; + const u8 *addr; + u64 cookie; + int err; + + if (wdev->iftype != NL80211_IFTYPE_AP && + wdev->iftype != NL80211_IFTYPE_P2P_GO) + return -EOPNOTSUPP; + + if (!info->attrs[NL80211_ATTR_MAC]) + return -EINVAL; + + if (!rdev->ops->probe_client) + return -EOPNOTSUPP; + + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); + if (!msg) + return -ENOMEM; + + hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, + NL80211_CMD_PROBE_CLIENT); + + if (IS_ERR(hdr)) { + err = PTR_ERR(hdr); + goto free_msg; + } + + addr = nla_data(info->attrs[NL80211_ATTR_MAC]); + + err = rdev->ops->probe_client(&rdev->wiphy, dev, addr, &cookie); + if (err) + goto free_msg; + + NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); + + genlmsg_end(msg, hdr); + + return genlmsg_reply(msg, info); + + nla_put_failure: + err = -ENOBUFS; + free_msg: + nlmsg_free(msg); + return err; +} + +static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + + if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) + return -EOPNOTSUPP; + + if (rdev->ap_beacons_nlpid) + return -EBUSY; + + rdev->ap_beacons_nlpid = info->snd_pid; + + return 0; +} + #define NL80211_FLAG_NEED_WIPHY 0x01 #define NL80211_FLAG_NEED_NETDEV 0x02 #define NL80211_FLAG_NEED_RTNL 0x04 @@ -6382,6 +6492,30 @@ static struct genl_ops nl80211_ops[] = { .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | NL80211_FLAG_NEED_RTNL, }, + { + .cmd = NL80211_CMD_UNEXPECTED_FRAME, + .doit = nl80211_register_unexpected_frame, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, + }, + { + .cmd = NL80211_CMD_PROBE_CLIENT, + .doit = nl80211_probe_client, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, + }, + { + .cmd = NL80211_CMD_REGISTER_BEACONS, + .doit = nl80211_register_beacons, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_WIPHY | + NL80211_FLAG_NEED_RTNL, + }, }; static struct genl_multicast_group nl80211_mlme_mcgrp = { @@ -6634,10 +6768,7 @@ void nl80211_send_reg_change_event(struct regulatory_request *request) if (wiphy_idx_valid(request->wiphy_idx)) NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx); - if (genlmsg_end(msg, hdr) < 0) { - nlmsg_free(msg); - return; - } + genlmsg_end(msg, hdr); rcu_read_lock(); genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, @@ -6673,10 +6804,7 @@ static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); - if (genlmsg_end(msg, hdr) < 0) { - nlmsg_free(msg); - return; - } + genlmsg_end(msg, hdr); genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, nl80211_mlme_mcgrp.id, gfp); @@ -6757,10 +6885,7 @@ static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, NLA_PUT_FLAG(msg, NL80211_ATTR_TIMED_OUT); NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); - if (genlmsg_end(msg, hdr) < 0) { - nlmsg_free(msg); - return; - } + genlmsg_end(msg, hdr); genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, nl80211_mlme_mcgrp.id, gfp); @@ -6816,10 +6941,7 @@ void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, if (resp_ie) NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie); - if (genlmsg_end(msg, hdr) < 0) { - nlmsg_free(msg); - return; - } + genlmsg_end(msg, hdr); genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, nl80211_mlme_mcgrp.id, gfp); @@ -6857,10 +6979,7 @@ void nl80211_send_roamed(struct cfg80211_registered_device *rdev, if (resp_ie) NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie); - if (genlmsg_end(msg, hdr) < 0) { - nlmsg_free(msg); - return; - } + genlmsg_end(msg, hdr); genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, nl80211_mlme_mcgrp.id, gfp); @@ -6898,10 +7017,7 @@ void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, if (ie) NLA_PUT(msg, NL80211_ATTR_IE, ie_len, ie); - if (genlmsg_end(msg, hdr) < 0) { - nlmsg_free(msg); - return; - } + genlmsg_end(msg, hdr); genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, nl80211_mlme_mcgrp.id, GFP_KERNEL); @@ -6934,10 +7050,7 @@ void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); - if (genlmsg_end(msg, hdr) < 0) { - nlmsg_free(msg); - return; - } + genlmsg_end(msg, hdr); genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, nl80211_mlme_mcgrp.id, gfp); @@ -6972,10 +7085,7 @@ void nl80211_send_new_peer_candidate(struct cfg80211_registered_device *rdev, if (ie_len && ie) NLA_PUT(msg, NL80211_ATTR_IE, ie_len , ie); - if (genlmsg_end(msg, hdr) < 0) { - nlmsg_free(msg); - return; - } + genlmsg_end(msg, hdr); genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, nl80211_mlme_mcgrp.id, gfp); @@ -7014,10 +7124,7 @@ void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, if (tsc) NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, 6, tsc); - if (genlmsg_end(msg, hdr) < 0) { - nlmsg_free(msg); - return; - } + genlmsg_end(msg, hdr); genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, nl80211_mlme_mcgrp.id, gfp); @@ -7068,10 +7175,7 @@ void nl80211_send_beacon_hint_event(struct wiphy *wiphy, goto nla_put_failure; nla_nest_end(msg, nl_freq); - if (genlmsg_end(msg, hdr) < 0) { - nlmsg_free(msg); - return; - } + genlmsg_end(msg, hdr); rcu_read_lock(); genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, @@ -7114,10 +7218,7 @@ static void nl80211_send_remain_on_chan_event( if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL) NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration); - if (genlmsg_end(msg, hdr) < 0) { - nlmsg_free(msg); - return; - } + genlmsg_end(msg, hdr); genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, nl80211_mlme_mcgrp.id, gfp); @@ -7188,10 +7289,7 @@ void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev, NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); - if (genlmsg_end(msg, hdr) < 0) { - nlmsg_free(msg); - return; - } + genlmsg_end(msg, hdr); genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, nl80211_mlme_mcgrp.id, gfp); @@ -7202,13 +7300,68 @@ void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev, nlmsg_free(msg); } +static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, + const u8 *addr, gfp_t gfp) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct sk_buff *msg; + void *hdr; + int err; + u32 nlpid = ACCESS_ONCE(wdev->ap_unexpected_nlpid); + + if (!nlpid) + return false; + + msg = nlmsg_new(100, gfp); + if (!msg) + return true; + + hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); + if (!hdr) { + nlmsg_free(msg); + return true; + } + + NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); + NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); + + err = genlmsg_end(msg, hdr); + if (err < 0) { + nlmsg_free(msg); + return true; + } + + genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); + return true; + + nla_put_failure: + genlmsg_cancel(msg, hdr); + nlmsg_free(msg); + return true; +} + +bool nl80211_unexpected_frame(struct net_device *dev, const u8 *addr, gfp_t gfp) +{ + return __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, + addr, gfp); +} + +bool nl80211_unexpected_4addr_frame(struct net_device *dev, + const u8 *addr, gfp_t gfp) +{ + return __nl80211_unexpected_frame(dev, + NL80211_CMD_UNEXPECTED_4ADDR_FRAME, + addr, gfp); +} + int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, struct net_device *netdev, u32 nlpid, int freq, const u8 *buf, size_t len, gfp_t gfp) { struct sk_buff *msg; void *hdr; - int err; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); if (!msg) @@ -7225,16 +7378,9 @@ int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); - err = genlmsg_end(msg, hdr); - if (err < 0) { - nlmsg_free(msg); - return err; - } + genlmsg_end(msg, hdr); - err = genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); - if (err < 0) - return err; - return 0; + return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); nla_put_failure: genlmsg_cancel(msg, hdr); @@ -7267,10 +7413,7 @@ void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev, if (ack) NLA_PUT_FLAG(msg, NL80211_ATTR_ACK); - if (genlmsg_end(msg, hdr) < 0) { - nlmsg_free(msg); - return; - } + genlmsg_end(msg, hdr); genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp); return; @@ -7312,10 +7455,7 @@ nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev, nla_nest_end(msg, pinfoattr); - if (genlmsg_end(msg, hdr) < 0) { - nlmsg_free(msg); - return; - } + genlmsg_end(msg, hdr); genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, nl80211_mlme_mcgrp.id, gfp); @@ -7357,10 +7497,7 @@ void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, nla_nest_end(msg, rekey_attr); - if (genlmsg_end(msg, hdr) < 0) { - nlmsg_free(msg); - return; - } + genlmsg_end(msg, hdr); genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, nl80211_mlme_mcgrp.id, gfp); @@ -7403,10 +7540,7 @@ void nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, nla_nest_end(msg, attr); - if (genlmsg_end(msg, hdr) < 0) { - nlmsg_free(msg); - return; - } + genlmsg_end(msg, hdr); genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, nl80211_mlme_mcgrp.id, gfp); @@ -7448,7 +7582,45 @@ nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev, nla_nest_end(msg, pinfoattr); - if (genlmsg_end(msg, hdr) < 0) { + genlmsg_end(msg, hdr); + + genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, + nl80211_mlme_mcgrp.id, gfp); + return; + + nla_put_failure: + genlmsg_cancel(msg, hdr); + nlmsg_free(msg); +} + +void cfg80211_probe_status(struct net_device *dev, const u8 *addr, + u64 cookie, bool acked, gfp_t gfp) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct sk_buff *msg; + void *hdr; + int err; + + msg = nlmsg_new(NLMSG_GOODSIZE, gfp); + if (!msg) + return; + + hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); + if (!hdr) { + nlmsg_free(msg); + return; + } + + NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); + NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); + NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); + if (acked) + NLA_PUT_FLAG(msg, NL80211_ATTR_ACK); + + err = genlmsg_end(msg, hdr); + if (err < 0) { nlmsg_free(msg); return; } @@ -7461,6 +7633,45 @@ nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev, genlmsg_cancel(msg, hdr); nlmsg_free(msg); } +EXPORT_SYMBOL(cfg80211_probe_status); + +void cfg80211_report_obss_beacon(struct wiphy *wiphy, + const u8 *frame, size_t len, + int freq, gfp_t gfp) +{ + struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct sk_buff *msg; + void *hdr; + u32 nlpid = ACCESS_ONCE(rdev->ap_beacons_nlpid); + + if (!nlpid) + return; + + msg = nlmsg_new(len + 100, gfp); + if (!msg) + return; + + hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); + if (!hdr) { + nlmsg_free(msg); + return; + } + + NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); + if (freq) + NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); + NLA_PUT(msg, NL80211_ATTR_FRAME, len, frame); + + genlmsg_end(msg, hdr); + + genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); + return; + + nla_put_failure: + genlmsg_cancel(msg, hdr); + nlmsg_free(msg); +} +EXPORT_SYMBOL(cfg80211_report_obss_beacon); static int nl80211_netlink_notify(struct notifier_block * nb, unsigned long state, @@ -7475,9 +7686,12 @@ static int nl80211_netlink_notify(struct notifier_block * nb, rcu_read_lock(); - list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) + list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { list_for_each_entry_rcu(wdev, &rdev->netdev_list, list) cfg80211_mlme_unregister_socket(wdev, notify->pid); + if (rdev->ap_beacons_nlpid == notify->pid) + rdev->ap_beacons_nlpid = 0; + } rcu_read_unlock(); diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h index f24a1fb..12bf4d1 100644 --- a/net/wireless/nl80211.h +++ b/net/wireless/nl80211.h @@ -117,4 +117,9 @@ void nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, struct net_device *netdev, int index, const u8 *bssid, bool preauth, gfp_t gfp); +bool nl80211_unexpected_frame(struct net_device *dev, + const u8 *addr, gfp_t gfp); +bool nl80211_unexpected_4addr_frame(struct net_device *dev, + const u8 *addr, gfp_t gfp); + #endif /* __NET_WIRELESS_NL80211_H */ diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 0fb1424..dc23b31 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -259,17 +259,20 @@ static int cmp_ies(u8 num, u8 *ies1, size_t len1, u8 *ies2, size_t len2) { const u8 *ie1 = cfg80211_find_ie(num, ies1, len1); const u8 *ie2 = cfg80211_find_ie(num, ies2, len2); - int r; + /* equal if both missing */ if (!ie1 && !ie2) return 0; - if (!ie1 || !ie2) + /* sort missing IE before (left of) present IE */ + if (!ie1) return -1; + if (!ie2) + return 1; - r = memcmp(ie1 + 2, ie2 + 2, min(ie1[1], ie2[1])); - if (r == 0 && ie1[1] != ie2[1]) + /* sort by length first, then by contents */ + if (ie1[1] != ie2[1]) return ie2[1] - ie1[1]; - return r; + return memcmp(ie1 + 2, ie2 + 2, ie1[1]); } static bool is_bss(struct cfg80211_bss *a, |
