diff options
Diffstat (limited to 'include/net')
64 files changed, 1383 insertions, 652 deletions
diff --git a/include/net/addrconf.h b/include/net/addrconf.h index f2b801c..089a09d 100644 --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -46,7 +46,8 @@ struct prefix_info { #include <net/if_inet6.h> #include <net/ipv6.h> -#define IN6_ADDR_HSIZE 16 +#define IN6_ADDR_HSIZE_SHIFT 4 +#define IN6_ADDR_HSIZE (1 << IN6_ADDR_HSIZE_SHIFT) extern int addrconf_init(void); extern void addrconf_cleanup(void); diff --git a/include/net/af_unix.h b/include/net/af_unix.h index 2ee33da..b5f8988 100644 --- a/include/net/af_unix.h +++ b/include/net/af_unix.h @@ -14,10 +14,11 @@ extern struct sock *unix_get_socket(struct file *filp); extern struct sock *unix_peer_get(struct sock *); #define UNIX_HASH_SIZE 256 +#define UNIX_HASH_BITS 8 extern unsigned int unix_tot_inflight; extern spinlock_t unix_table_lock; -extern struct hlist_head unix_socket_table[UNIX_HASH_SIZE + 1]; +extern struct hlist_head unix_socket_table[2 * UNIX_HASH_SIZE]; struct unix_address { atomic_t refcnt; diff --git a/include/net/arp.h b/include/net/arp.h index 4a1f3fb..7f7df93 100644 --- a/include/net/arp.h +++ b/include/net/arp.h @@ -15,24 +15,31 @@ static inline u32 arp_hashfn(u32 key, const struct net_device *dev, u32 hash_rnd return val * hash_rnd; } -static inline struct neighbour *__ipv4_neigh_lookup(struct net_device *dev, u32 key) +static inline struct neighbour *__ipv4_neigh_lookup_noref(struct net_device *dev, u32 key) { - struct neigh_hash_table *nht; + struct neigh_hash_table *nht = rcu_dereference_bh(arp_tbl.nht); struct neighbour *n; u32 hash_val; - rcu_read_lock_bh(); - nht = rcu_dereference_bh(arp_tbl.nht); hash_val = arp_hashfn(key, dev, nht->hash_rnd[0]) >> (32 - nht->hash_shift); for (n = rcu_dereference_bh(nht->hash_buckets[hash_val]); n != NULL; n = rcu_dereference_bh(n->next)) { - if (n->dev == dev && *(u32 *)n->primary_key == key) { - if (!atomic_inc_not_zero(&n->refcnt)) - n = NULL; - break; - } + if (n->dev == dev && *(u32 *)n->primary_key == key) + return n; } + + return NULL; +} + +static inline struct neighbour *__ipv4_neigh_lookup(struct net_device *dev, u32 key) +{ + struct neighbour *n; + + rcu_read_lock_bh(); + n = __ipv4_neigh_lookup_noref(dev, key); + if (n && !atomic_inc_not_zero(&n->refcnt)) + n = NULL; rcu_read_unlock_bh(); return n; diff --git a/include/net/bluetooth/a2mp.h b/include/net/bluetooth/a2mp.h new file mode 100644 index 0000000..6a76e0a --- /dev/null +++ b/include/net/bluetooth/a2mp.h @@ -0,0 +1,126 @@ +/* + Copyright (c) 2010,2011 Code Aurora Forum. All rights reserved. + Copyright (c) 2011,2012 Intel Corp. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License version 2 and + only version 2 as published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. +*/ + +#ifndef __A2MP_H +#define __A2MP_H + +#include <net/bluetooth/l2cap.h> + +#define A2MP_FEAT_EXT 0x8000 + +struct amp_mgr { + struct l2cap_conn *l2cap_conn; + struct l2cap_chan *a2mp_chan; + struct kref kref; + __u8 ident; + __u8 handle; + unsigned long flags; +}; + +struct a2mp_cmd { + __u8 code; + __u8 ident; + __le16 len; + __u8 data[0]; +} __packed; + +/* A2MP command codes */ +#define A2MP_COMMAND_REJ 0x01 +struct a2mp_cmd_rej { + __le16 reason; + __u8 data[0]; +} __packed; + +#define A2MP_DISCOVER_REQ 0x02 +struct a2mp_discov_req { + __le16 mtu; + __le16 ext_feat; +} __packed; + +struct a2mp_cl { + __u8 id; + __u8 type; + __u8 status; +} __packed; + +#define A2MP_DISCOVER_RSP 0x03 +struct a2mp_discov_rsp { + __le16 mtu; + __le16 ext_feat; + struct a2mp_cl cl[0]; +} __packed; + +#define A2MP_CHANGE_NOTIFY 0x04 +#define A2MP_CHANGE_RSP 0x05 + +#define A2MP_GETINFO_REQ 0x06 +struct a2mp_info_req { + __u8 id; +} __packed; + +#define A2MP_GETINFO_RSP 0x07 +struct a2mp_info_rsp { + __u8 id; + __u8 status; + __le32 total_bw; + __le32 max_bw; + __le32 min_latency; + __le16 pal_cap; + __le16 assoc_size; +} __packed; + +#define A2MP_GETAMPASSOC_REQ 0x08 +struct a2mp_amp_assoc_req { + __u8 id; +} __packed; + +#define A2MP_GETAMPASSOC_RSP 0x09 +struct a2mp_amp_assoc_rsp { + __u8 id; + __u8 status; + __u8 amp_assoc[0]; +} __packed; + +#define A2MP_CREATEPHYSLINK_REQ 0x0A +#define A2MP_DISCONNPHYSLINK_REQ 0x0C +struct a2mp_physlink_req { + __u8 local_id; + __u8 remote_id; + __u8 amp_assoc[0]; +} __packed; + +#define A2MP_CREATEPHYSLINK_RSP 0x0B +#define A2MP_DISCONNPHYSLINK_RSP 0x0D +struct a2mp_physlink_rsp { + __u8 local_id; + __u8 remote_id; + __u8 status; +} __packed; + +/* A2MP response status */ +#define A2MP_STATUS_SUCCESS 0x00 +#define A2MP_STATUS_INVALID_CTRL_ID 0x01 +#define A2MP_STATUS_UNABLE_START_LINK_CREATION 0x02 +#define A2MP_STATUS_NO_PHYSICAL_LINK_EXISTS 0x02 +#define A2MP_STATUS_COLLISION_OCCURED 0x03 +#define A2MP_STATUS_DISCONN_REQ_RECVD 0x04 +#define A2MP_STATUS_PHYS_LINK_EXISTS 0x05 +#define A2MP_STATUS_SECURITY_VIOLATION 0x06 + +void amp_mgr_get(struct amp_mgr *mgr); +int amp_mgr_put(struct amp_mgr *mgr); +struct l2cap_chan *a2mp_channel_create(struct l2cap_conn *conn, + struct sk_buff *skb); + +#endif /* __A2MP_H */ diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h index 961669b..565d4be 100644 --- a/include/net/bluetooth/bluetooth.h +++ b/include/net/bluetooth/bluetooth.h @@ -1,4 +1,4 @@ -/* +/* BlueZ - Bluetooth protocol stack for Linux Copyright (C) 2000-2001 Qualcomm Incorporated @@ -12,22 +12,19 @@ OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY - CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES - WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, - COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS + ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, + COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS SOFTWARE IS DISCLAIMED. */ #ifndef __BLUETOOTH_H #define __BLUETOOTH_H -#include <asm/types.h> -#include <asm/byteorder.h> -#include <linux/list.h> #include <linux/poll.h> #include <net/sock.h> @@ -168,8 +165,8 @@ typedef struct { #define BDADDR_LE_PUBLIC 0x01 #define BDADDR_LE_RANDOM 0x02 -#define BDADDR_ANY (&(bdaddr_t) {{0, 0, 0, 0, 0, 0}}) -#define BDADDR_LOCAL (&(bdaddr_t) {{0, 0, 0, 0xff, 0xff, 0xff}}) +#define BDADDR_ANY (&(bdaddr_t) {{0, 0, 0, 0, 0, 0} }) +#define BDADDR_LOCAL (&(bdaddr_t) {{0, 0, 0, 0xff, 0xff, 0xff} }) /* Copy, swap, convert BD Address */ static inline int bacmp(bdaddr_t *ba1, bdaddr_t *ba2) @@ -215,7 +212,7 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, size_t len, int flags); int bt_sock_stream_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, size_t len, int flags); -uint bt_sock_poll(struct file * file, struct socket *sock, poll_table *wait); +uint bt_sock_poll(struct file *file, struct socket *sock, poll_table *wait); int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo); @@ -225,12 +222,12 @@ struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock); /* Skb helpers */ struct l2cap_ctrl { - unsigned int sframe : 1, - poll : 1, - final : 1, - fcs : 1, - sar : 2, - super : 2; + unsigned int sframe:1, + poll:1, + final:1, + fcs:1, + sar:2, + super:2; __u16 reqseq; __u16 txseq; __u8 retries; @@ -249,7 +246,8 @@ static inline struct sk_buff *bt_skb_alloc(unsigned int len, gfp_t how) { struct sk_buff *skb; - if ((skb = alloc_skb(len + BT_SKB_RESERVE, how))) { + skb = alloc_skb(len + BT_SKB_RESERVE, how); + if (skb) { skb_reserve(skb, BT_SKB_RESERVE); bt_cb(skb)->incoming = 0; } @@ -261,7 +259,8 @@ static inline struct sk_buff *bt_skb_send_alloc(struct sock *sk, { struct sk_buff *skb; - if ((skb = sock_alloc_send_skb(sk, len + BT_SKB_RESERVE, nb, err))) { + skb = sock_alloc_send_skb(sk, len + BT_SKB_RESERVE, nb, err); + if (skb) { skb_reserve(skb, BT_SKB_RESERVE); bt_cb(skb)->incoming = 0; } diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index 3def64b..ccd723e 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -30,6 +30,9 @@ #define HCI_MAX_EVENT_SIZE 260 #define HCI_MAX_FRAME_SIZE (HCI_MAX_ACL_SIZE + 4) +#define HCI_LINK_KEY_SIZE 16 +#define HCI_AMP_LINK_KEY_SIZE (2 * HCI_LINK_KEY_SIZE) + /* HCI dev events */ #define HCI_DEV_REG 1 #define HCI_DEV_UNREG 2 @@ -56,9 +59,12 @@ #define HCI_BREDR 0x00 #define HCI_AMP 0x01 +/* First BR/EDR Controller shall have ID = 0 */ +#define HCI_BREDR_ID 0 + /* HCI device quirks */ enum { - HCI_QUIRK_NO_RESET, + HCI_QUIRK_RESET_ON_CLOSE, HCI_QUIRK_RAW_DEVICE, HCI_QUIRK_FIXUP_BUFFER_SIZE }; @@ -133,13 +139,12 @@ enum { #define HCIINQUIRY _IOR('H', 240, int) /* HCI timeouts */ -#define HCI_CONNECT_TIMEOUT (40000) /* 40 seconds */ -#define HCI_DISCONN_TIMEOUT (2000) /* 2 seconds */ -#define HCI_PAIRING_TIMEOUT (60000) /* 60 seconds */ -#define HCI_IDLE_TIMEOUT (6000) /* 6 seconds */ -#define HCI_INIT_TIMEOUT (10000) /* 10 seconds */ -#define HCI_CMD_TIMEOUT (1000) /* 1 seconds */ -#define HCI_ACL_TX_TIMEOUT (45000) /* 45 seconds */ +#define HCI_DISCONN_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ +#define HCI_PAIRING_TIMEOUT msecs_to_jiffies(60000) /* 60 seconds */ +#define HCI_INIT_TIMEOUT msecs_to_jiffies(10000) /* 10 seconds */ +#define HCI_CMD_TIMEOUT msecs_to_jiffies(1000) /* 1 second */ +#define HCI_ACL_TX_TIMEOUT msecs_to_jiffies(45000) /* 45 seconds */ +#define HCI_AUTO_OFF_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ /* HCI data types */ #define HCI_COMMAND_PKT 0x01 @@ -371,7 +376,7 @@ struct hci_cp_reject_conn_req { #define HCI_OP_LINK_KEY_REPLY 0x040b struct hci_cp_link_key_reply { bdaddr_t bdaddr; - __u8 link_key[16]; + __u8 link_key[HCI_LINK_KEY_SIZE]; } __packed; #define HCI_OP_LINK_KEY_NEG_REPLY 0x040c @@ -523,6 +528,28 @@ struct hci_cp_io_capability_neg_reply { __u8 reason; } __packed; +#define HCI_OP_CREATE_PHY_LINK 0x0435 +struct hci_cp_create_phy_link { + __u8 phy_handle; + __u8 key_len; + __u8 key_type; + __u8 key[HCI_AMP_LINK_KEY_SIZE]; +} __packed; + +#define HCI_OP_ACCEPT_PHY_LINK 0x0436 +struct hci_cp_accept_phy_link { + __u8 phy_handle; + __u8 key_len; + __u8 key_type; + __u8 key[HCI_AMP_LINK_KEY_SIZE]; +} __packed; + +#define HCI_OP_DISCONN_PHY_LINK 0x0437 +struct hci_cp_disconn_phy_link { + __u8 phy_handle; + __u8 reason; +} __packed; + #define HCI_OP_SNIFF_MODE 0x0803 struct hci_cp_sniff_mode { __le16 handle; @@ -818,6 +845,31 @@ struct hci_rp_read_local_amp_info { __le32 be_flush_to; } __packed; +#define HCI_OP_READ_LOCAL_AMP_ASSOC 0x140a +struct hci_cp_read_local_amp_assoc { + __u8 phy_handle; + __le16 len_so_far; + __le16 max_len; +} __packed; +struct hci_rp_read_local_amp_assoc { + __u8 status; + __u8 phy_handle; + __le16 rem_len; + __u8 frag[0]; +} __packed; + +#define HCI_OP_WRITE_REMOTE_AMP_ASSOC 0x140b +struct hci_cp_write_remote_amp_assoc { + __u8 phy_handle; + __le16 len_so_far; + __le16 rem_len; + __u8 frag[0]; +} __packed; +struct hci_rp_write_remote_amp_assoc { + __u8 status; + __u8 phy_handle; +} __packed; + #define HCI_OP_LE_SET_EVENT_MASK 0x2001 struct hci_cp_le_set_event_mask { __u8 mask[8]; @@ -1048,7 +1100,7 @@ struct hci_ev_link_key_req { #define HCI_EV_LINK_KEY_NOTIFY 0x18 struct hci_ev_link_key_notify { bdaddr_t bdaddr; - __u8 link_key[16]; + __u8 link_key[HCI_LINK_KEY_SIZE]; __u8 key_type; } __packed; @@ -1196,6 +1248,39 @@ struct hci_ev_le_meta { __u8 subevent; } __packed; +#define HCI_EV_PHY_LINK_COMPLETE 0x40 +struct hci_ev_phy_link_complete { + __u8 status; + __u8 phy_handle; +} __packed; + +#define HCI_EV_CHANNEL_SELECTED 0x41 +struct hci_ev_channel_selected { + __u8 phy_handle; +} __packed; + +#define HCI_EV_DISCONN_PHY_LINK_COMPLETE 0x42 +struct hci_ev_disconn_phy_link_complete { + __u8 status; + __u8 phy_handle; + __u8 reason; +} __packed; + +#define HCI_EV_LOGICAL_LINK_COMPLETE 0x45 +struct hci_ev_logical_link_complete { + __u8 status; + __le16 handle; + __u8 phy_handle; + __u8 flow_spec_id; +} __packed; + +#define HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE 0x46 +struct hci_ev_disconn_logical_link_complete { + __u8 status; + __le16 handle; + __u8 reason; +} __packed; + #define HCI_EV_NUM_COMP_BLOCKS 0x48 struct hci_comp_blocks_info { __le16 handle; @@ -1296,7 +1381,6 @@ struct hci_sco_hdr { __u8 dlen; } __packed; -#include <linux/skbuff.h> static inline struct hci_event_hdr *hci_event_hdr(const struct sk_buff *skb) { return (struct hci_event_hdr *) skb->data; @@ -1313,12 +1397,12 @@ static inline struct hci_sco_hdr *hci_sco_hdr(const struct sk_buff *skb) } /* Command opcode pack/unpack */ -#define hci_opcode_pack(ogf, ocf) (__u16) ((ocf & 0x03ff)|(ogf << 10)) +#define hci_opcode_pack(ogf, ocf) ((__u16) ((ocf & 0x03ff)|(ogf << 10))) #define hci_opcode_ogf(op) (op >> 10) #define hci_opcode_ocf(op) (op & 0x03ff) /* ACL handle and flags pack/unpack */ -#define hci_handle_pack(h, f) (__u16) ((h & 0x0fff)|(f << 12)) +#define hci_handle_pack(h, f) ((__u16) ((h & 0x0fff)|(f << 12))) #define hci_handle(h) (h & 0x0fff) #define hci_flags(h) (h >> 12) diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 9fc7728..475b8c0 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -25,7 +25,6 @@ #ifndef __HCI_CORE_H #define __HCI_CORE_H -#include <linux/interrupt.h> #include <net/bluetooth/hci.h> /* HCI priority */ @@ -65,7 +64,7 @@ struct discovery_state { DISCOVERY_RESOLVING, DISCOVERY_STOPPING, } state; - struct list_head all; /* All devices found during inquiry */ + struct list_head all; /* All devices found during inquiry */ struct list_head unknown; /* Name state not known */ struct list_head resolve; /* Name needs to be resolved */ __u32 timestamp; @@ -105,7 +104,7 @@ struct link_key { struct list_head list; bdaddr_t bdaddr; u8 type; - u8 val[16]; + u8 val[HCI_LINK_KEY_SIZE]; u8 pin_len; }; @@ -333,6 +332,7 @@ struct hci_conn { void *l2cap_data; void *sco_data; void *smp_conn; + struct amp_mgr *amp_mgr; struct hci_conn *link; @@ -360,7 +360,8 @@ extern int l2cap_connect_cfm(struct hci_conn *hcon, u8 status); extern int l2cap_disconn_ind(struct hci_conn *hcon); extern int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); -extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); +extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, + u16 flags); extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); extern int sco_connect_cfm(struct hci_conn *hcon, __u8 status); @@ -429,8 +430,8 @@ enum { static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) { struct hci_dev *hdev = conn->hdev; - return (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && - test_bit(HCI_CONN_SSP_ENABLED, &conn->flags)); + return test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && + test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); } static inline void hci_conn_hash_init(struct hci_dev *hdev) @@ -586,18 +587,24 @@ void hci_conn_put_device(struct hci_conn *conn); static inline void hci_conn_hold(struct hci_conn *conn) { + BT_DBG("hcon %p refcnt %d -> %d", conn, atomic_read(&conn->refcnt), + atomic_read(&conn->refcnt) + 1); + atomic_inc(&conn->refcnt); cancel_delayed_work(&conn->disc_work); } static inline void hci_conn_put(struct hci_conn *conn) { + BT_DBG("hcon %p refcnt %d -> %d", conn, atomic_read(&conn->refcnt), + atomic_read(&conn->refcnt) - 1); + if (atomic_dec_and_test(&conn->refcnt)) { unsigned long timeo; if (conn->type == ACL_LINK || conn->type == LE_LINK) { del_timer(&conn->idle_timer); if (conn->state == BT_CONNECTED) { - timeo = msecs_to_jiffies(conn->disc_timeout); + timeo = conn->disc_timeout; if (!conn->out) timeo *= 2; } else { @@ -640,6 +647,19 @@ static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) dev_set_drvdata(&hdev->dev, data); } +/* hci_dev_list shall be locked */ +static inline uint8_t __hci_num_ctrl(void) +{ + uint8_t count = 0; + struct list_head *p; + + list_for_each(p, &hci_dev_list) { + count++; + } + + return count; +} + struct hci_dev *hci_dev_get(int index); struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); @@ -661,7 +681,8 @@ int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); int hci_inquiry(void __user *arg); -struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); +struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, + bdaddr_t *bdaddr); int hci_blacklist_clear(struct hci_dev *hdev); int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h index 1c7d1cd..a7679f8 100644 --- a/include/net/bluetooth/l2cap.h +++ b/include/net/bluetooth/l2cap.h @@ -40,11 +40,11 @@ #define L2CAP_DEFAULT_MONITOR_TO 12000 /* 12 seconds */ #define L2CAP_DEFAULT_MAX_PDU_SIZE 1009 /* Sized for 3-DH5 packet */ #define L2CAP_DEFAULT_ACK_TO 200 -#define L2CAP_LE_DEFAULT_MTU 23 #define L2CAP_DEFAULT_MAX_SDU_SIZE 0xFFFF #define L2CAP_DEFAULT_SDU_ITIME 0xFFFFFFFF #define L2CAP_DEFAULT_ACC_LAT 0xFFFFFFFF #define L2CAP_BREDR_MAX_PAYLOAD 1019 /* 3-DH5 packet */ +#define L2CAP_LE_MIN_MTU 23 #define L2CAP_DISC_TIMEOUT msecs_to_jiffies(100) #define L2CAP_DISC_REJ_TIMEOUT msecs_to_jiffies(5000) @@ -52,6 +52,8 @@ #define L2CAP_CONN_TIMEOUT msecs_to_jiffies(40000) #define L2CAP_INFO_TIMEOUT msecs_to_jiffies(4000) +#define L2CAP_A2MP_DEFAULT_MTU 670 + /* L2CAP socket address */ struct sockaddr_l2 { sa_family_t l2_family; @@ -229,9 +231,14 @@ struct l2cap_conn_rsp { __le16 status; } __packed; +/* protocol/service multiplexer (PSM) */ +#define L2CAP_PSM_SDP 0x0001 +#define L2CAP_PSM_RFCOMM 0x0003 + /* channel indentifier */ #define L2CAP_CID_SIGNALING 0x0001 #define L2CAP_CID_CONN_LESS 0x0002 +#define L2CAP_CID_A2MP 0x0003 #define L2CAP_CID_LE_DATA 0x0004 #define L2CAP_CID_LE_SIGNALING 0x0005 #define L2CAP_CID_SMP 0x0006 @@ -271,6 +278,9 @@ struct l2cap_conf_rsp { #define L2CAP_CONF_PENDING 0x0004 #define L2CAP_CONF_EFS_REJECT 0x0005 +/* configuration req/rsp continuation flag */ +#define L2CAP_CONF_FLAG_CONTINUATION 0x0001 + struct l2cap_conf_opt { __u8 type; __u8 len; @@ -419,11 +429,6 @@ struct l2cap_seq_list { #define L2CAP_SEQ_LIST_CLEAR 0xFFFF #define L2CAP_SEQ_LIST_TAIL 0x8000 -struct srej_list { - __u16 tx_seq; - struct list_head list; -}; - struct l2cap_chan { struct sock *sk; @@ -459,6 +464,7 @@ struct l2cap_chan { __u16 tx_win; __u16 tx_win_max; + __u16 ack_win; __u8 max_tx; __u16 retrans_timeout; __u16 monitor_timeout; @@ -475,14 +481,12 @@ struct l2cap_chan { __u16 expected_ack_seq; __u16 expected_tx_seq; __u16 buffer_seq; - __u16 buffer_seq_srej; __u16 srej_save_reqseq; __u16 last_acked_seq; __u16 frames_sent; __u16 unacked_frames; __u8 retry_count; __u16 srej_queue_next; - __u8 num_acked; __u16 sdu_len; struct sk_buff *sdu; struct sk_buff *sdu_last_frag; @@ -515,7 +519,6 @@ struct l2cap_chan { struct sk_buff_head srej_q; struct l2cap_seq_list srej_list; struct l2cap_seq_list retrans_list; - struct list_head srej_l; struct list_head list; struct list_head global_l; @@ -528,10 +531,14 @@ struct l2cap_chan { struct l2cap_ops { char *name; - struct l2cap_chan *(*new_connection) (void *data); - int (*recv) (void *data, struct sk_buff *skb); - void (*close) (void *data); - void (*state_change) (void *data, int state); + struct l2cap_chan *(*new_connection) (struct l2cap_chan *chan); + int (*recv) (struct l2cap_chan * chan, + struct sk_buff *skb); + void (*teardown) (struct l2cap_chan *chan, int err); + void (*close) (struct l2cap_chan *chan); + void (*state_change) (struct l2cap_chan *chan, + int state); + void (*ready) (struct l2cap_chan *chan); struct sk_buff *(*alloc_skb) (struct l2cap_chan *chan, unsigned long len, int nb); }; @@ -575,6 +582,7 @@ struct l2cap_conn { #define L2CAP_CHAN_RAW 1 #define L2CAP_CHAN_CONN_LESS 2 #define L2CAP_CHAN_CONN_ORIENTED 3 +#define L2CAP_CHAN_CONN_FIX_A2MP 4 /* ----- L2CAP socket info ----- */ #define l2cap_pi(sk) ((struct l2cap_pinfo *) sk) @@ -597,6 +605,7 @@ enum { CONF_EWS_RECV, CONF_LOC_CONF_PEND, CONF_REM_CONF_PEND, + CONF_NOT_COMPLETE, }; #define L2CAP_CONF_MAX_CONF_REQ 2 @@ -664,11 +673,15 @@ enum { static inline void l2cap_chan_hold(struct l2cap_chan *c) { + BT_DBG("chan %p orig refcnt %d", c, atomic_read(&c->refcnt)); + atomic_inc(&c->refcnt); } static inline void l2cap_chan_put(struct l2cap_chan *c) { + BT_DBG("chan %p orig refcnt %d", c, atomic_read(&c->refcnt)); + if (atomic_dec_and_test(&c->refcnt)) kfree(c); } @@ -713,11 +726,7 @@ static inline bool l2cap_clear_timer(struct l2cap_chan *chan, #define __set_chan_timer(c, t) l2cap_set_timer(c, &c->chan_timer, (t)) #define __clear_chan_timer(c) l2cap_clear_timer(c, &c->chan_timer) -#define __set_retrans_timer(c) l2cap_set_timer(c, &c->retrans_timer, \ - msecs_to_jiffies(L2CAP_DEFAULT_RETRANS_TO)); #define __clear_retrans_timer(c) l2cap_clear_timer(c, &c->retrans_timer) -#define __set_monitor_timer(c) l2cap_set_timer(c, &c->monitor_timer, \ - msecs_to_jiffies(L2CAP_DEFAULT_MONITOR_TO)); #define __clear_monitor_timer(c) l2cap_clear_timer(c, &c->monitor_timer) #define __set_ack_timer(c) l2cap_set_timer(c, &chan->ack_timer, \ msecs_to_jiffies(L2CAP_DEFAULT_ACK_TO)); @@ -736,173 +745,17 @@ static inline __u16 __next_seq(struct l2cap_chan *chan, __u16 seq) return (seq + 1) % (chan->tx_win_max + 1); } -static inline int l2cap_tx_window_full(struct l2cap_chan *ch) -{ - int sub; - - sub = (ch->next_tx_seq - ch->expected_ack_seq) % 64; - - if (sub < 0) - sub += 64; - - return sub == ch->remote_tx_win; -} - -static inline __u16 __get_reqseq(struct l2cap_chan *chan, __u32 ctrl) -{ - if (test_bit(FLAG_EXT_CTRL, &chan->flags)) - return (ctrl & L2CAP_EXT_CTRL_REQSEQ) >> - L2CAP_EXT_CTRL_REQSEQ_SHIFT; - else - return (ctrl & L2CAP_CTRL_REQSEQ) >> L2CAP_CTRL_REQSEQ_SHIFT; -} - -static inline __u32 __set_reqseq(struct l2cap_chan *chan, __u32 reqseq) -{ - if (test_bit(FLAG_EXT_CTRL, &chan->flags)) - return (reqseq << L2CAP_EXT_CTRL_REQSEQ_SHIFT) & - L2CAP_EXT_CTRL_REQSEQ; - else - return (reqseq << L2CAP_CTRL_REQSEQ_SHIFT) & L2CAP_CTRL_REQSEQ; -} - -static inline __u16 __get_txseq(struct l2cap_chan *chan, __u32 ctrl) -{ - if (test_bit(FLAG_EXT_CTRL, &chan->flags)) - return (ctrl & L2CAP_EXT_CTRL_TXSEQ) >> - L2CAP_EXT_CTRL_TXSEQ_SHIFT; - else - return (ctrl & L2CAP_CTRL_TXSEQ) >> L2CAP_CTRL_TXSEQ_SHIFT; -} - -static inline __u32 __set_txseq(struct l2cap_chan *chan, __u32 txseq) -{ - if (test_bit(FLAG_EXT_CTRL, &chan->flags)) - return (txseq << L2CAP_EXT_CTRL_TXSEQ_SHIFT) & - L2CAP_EXT_CTRL_TXSEQ; - else - return (txseq << L2CAP_CTRL_TXSEQ_SHIFT) & L2CAP_CTRL_TXSEQ; -} - -static inline bool __is_sframe(struct l2cap_chan *chan, __u32 ctrl) -{ - if (test_bit(FLAG_EXT_CTRL, &chan->flags)) - return ctrl & L2CAP_EXT_CTRL_FRAME_TYPE; - else - return ctrl & L2CAP_CTRL_FRAME_TYPE; -} - -static inline __u32 __set_sframe(struct l2cap_chan *chan) -{ - if (test_bit(FLAG_EXT_CTRL, &chan->flags)) - return L2CAP_EXT_CTRL_FRAME_TYPE; - else - return L2CAP_CTRL_FRAME_TYPE; -} - -static inline __u8 __get_ctrl_sar(struct l2cap_chan *chan, __u32 ctrl) +static inline struct l2cap_chan *l2cap_chan_no_new_connection(struct l2cap_chan *chan) { - if (test_bit(FLAG_EXT_CTRL, &chan->flags)) - return (ctrl & L2CAP_EXT_CTRL_SAR) >> L2CAP_EXT_CTRL_SAR_SHIFT; - else - return (ctrl & L2CAP_CTRL_SAR) >> L2CAP_CTRL_SAR_SHIFT; + return NULL; } -static inline __u32 __set_ctrl_sar(struct l2cap_chan *chan, __u32 sar) +static inline void l2cap_chan_no_teardown(struct l2cap_chan *chan, int err) { - if (test_bit(FLAG_EXT_CTRL, &chan->flags)) - return (sar << L2CAP_EXT_CTRL_SAR_SHIFT) & L2CAP_EXT_CTRL_SAR; - else - return (sar << L2CAP_CTRL_SAR_SHIFT) & L2CAP_CTRL_SAR; } -static inline bool __is_sar_start(struct l2cap_chan *chan, __u32 ctrl) +static inline void l2cap_chan_no_ready(struct l2cap_chan *chan) { - return __get_ctrl_sar(chan, ctrl) == L2CAP_SAR_START; -} - -static inline __u32 __get_sar_mask(struct l2cap_chan *chan) -{ - if (test_bit(FLAG_EXT_CTRL, &chan->flags)) - return L2CAP_EXT_CTRL_SAR; - else - return L2CAP_CTRL_SAR; -} - -static inline __u8 __get_ctrl_super(struct l2cap_chan *chan, __u32 ctrl) -{ - if (test_bit(FLAG_EXT_CTRL, &chan->flags)) - return (ctrl & L2CAP_EXT_CTRL_SUPERVISE) >> - L2CAP_EXT_CTRL_SUPER_SHIFT; - else - return (ctrl & L2CAP_CTRL_SUPERVISE) >> L2CAP_CTRL_SUPER_SHIFT; -} - -static inline __u32 __set_ctrl_super(struct l2cap_chan *chan, __u32 super) -{ - if (test_bit(FLAG_EXT_CTRL, &chan->flags)) - return (super << L2CAP_EXT_CTRL_SUPER_SHIFT) & - L2CAP_EXT_CTRL_SUPERVISE; - else - return (super << L2CAP_CTRL_SUPER_SHIFT) & - L2CAP_CTRL_SUPERVISE; -} - -static inline __u32 __set_ctrl_final(struct l2cap_chan *chan) -{ - if (test_bit(FLAG_EXT_CTRL, &chan->flags)) - return L2CAP_EXT_CTRL_FINAL; - else - return L2CAP_CTRL_FINAL; -} - -static inline bool __is_ctrl_final(struct l2cap_chan *chan, __u32 ctrl) -{ - if (test_bit(FLAG_EXT_CTRL, &chan->flags)) - return ctrl & L2CAP_EXT_CTRL_FINAL; - else - return ctrl & L2CAP_CTRL_FINAL; -} - -static inline __u32 __set_ctrl_poll(struct l2cap_chan *chan) -{ - if (test_bit(FLAG_EXT_CTRL, &chan->flags)) - return L2CAP_EXT_CTRL_POLL; - else - return L2CAP_CTRL_POLL; -} - -static inline bool __is_ctrl_poll(struct l2cap_chan *chan, __u32 ctrl) -{ - if (test_bit(FLAG_EXT_CTRL, &chan->flags)) - return ctrl & L2CAP_EXT_CTRL_POLL; - else - return ctrl & L2CAP_CTRL_POLL; -} - -static inline __u32 __get_control(struct l2cap_chan *chan, void *p) -{ - if (test_bit(FLAG_EXT_CTRL, &chan->flags)) - return get_unaligned_le32(p); - else - return get_unaligned_le16(p); -} - -static inline void __put_control(struct l2cap_chan *chan, __u32 control, - void *p) -{ - if (test_bit(FLAG_EXT_CTRL, &chan->flags)) - return put_unaligned_le32(control, p); - else - return put_unaligned_le16(control, p); -} - -static inline __u8 __ctrl_size(struct l2cap_chan *chan) -{ - if (test_bit(FLAG_EXT_CTRL, &chan->flags)) - return L2CAP_EXT_HDR_SIZE - L2CAP_HDR_SIZE; - else - return L2CAP_ENH_HDR_SIZE - L2CAP_HDR_SIZE; } extern bool disable_ertm; @@ -926,5 +779,8 @@ int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len, void l2cap_chan_busy(struct l2cap_chan *chan, int busy); int l2cap_chan_check_security(struct l2cap_chan *chan); void l2cap_chan_set_defaults(struct l2cap_chan *chan); +int l2cap_ertm_init(struct l2cap_chan *chan); +void l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan); +void l2cap_chan_del(struct l2cap_chan *chan, int err); #endif /* __L2CAP_H */ diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h index 23fd054..4348ee8 100644 --- a/include/net/bluetooth/mgmt.h +++ b/include/net/bluetooth/mgmt.h @@ -444,7 +444,7 @@ struct mgmt_ev_auth_failed { struct mgmt_ev_device_found { struct mgmt_addr_info addr; __s8 rssi; - __u8 flags[4]; + __le32 flags; __le16 eir_len; __u8 eir[0]; } __packed; diff --git a/include/net/caif/caif_hsi.h b/include/net/caif/caif_hsi.h index 439dadc..bcb9cc3 100644 --- a/include/net/caif/caif_hsi.h +++ b/include/net/caif/caif_hsi.h @@ -93,25 +93,25 @@ struct cfhsi_desc { #endif /* Structure implemented by the CAIF HSI driver. */ -struct cfhsi_drv { - void (*tx_done_cb) (struct cfhsi_drv *drv); - void (*rx_done_cb) (struct cfhsi_drv *drv); - void (*wake_up_cb) (struct cfhsi_drv *drv); - void (*wake_down_cb) (struct cfhsi_drv *drv); +struct cfhsi_cb_ops { + void (*tx_done_cb) (struct cfhsi_cb_ops *drv); + void (*rx_done_cb) (struct cfhsi_cb_ops *drv); + void (*wake_up_cb) (struct cfhsi_cb_ops *drv); + void (*wake_down_cb) (struct cfhsi_cb_ops *drv); }; /* Structure implemented by HSI device. */ -struct cfhsi_dev { - int (*cfhsi_up) (struct cfhsi_dev *dev); - int (*cfhsi_down) (struct cfhsi_dev *dev); - int (*cfhsi_tx) (u8 *ptr, int len, struct cfhsi_dev *dev); - int (*cfhsi_rx) (u8 *ptr, int len, struct cfhsi_dev *dev); - int (*cfhsi_wake_up) (struct cfhsi_dev *dev); - int (*cfhsi_wake_down) (struct cfhsi_dev *dev); - int (*cfhsi_get_peer_wake) (struct cfhsi_dev *dev, bool *status); - int (*cfhsi_fifo_occupancy)(struct cfhsi_dev *dev, size_t *occupancy); - int (*cfhsi_rx_cancel)(struct cfhsi_dev *dev); - struct cfhsi_drv *drv; +struct cfhsi_ops { + int (*cfhsi_up) (struct cfhsi_ops *dev); + int (*cfhsi_down) (struct cfhsi_ops *dev); + int (*cfhsi_tx) (u8 *ptr, int len, struct cfhsi_ops *dev); + int (*cfhsi_rx) (u8 *ptr, int len, struct cfhsi_ops *dev); + int (*cfhsi_wake_up) (struct cfhsi_ops *dev); + int (*cfhsi_wake_down) (struct cfhsi_ops *dev); + int (*cfhsi_get_peer_wake) (struct cfhsi_ops *dev, bool *status); + int (*cfhsi_fifo_occupancy) (struct cfhsi_ops *dev, size_t *occupancy); + int (*cfhsi_rx_cancel)(struct cfhsi_ops *dev); + struct cfhsi_cb_ops *cb_ops; }; /* Structure holds status of received CAIF frames processing */ @@ -132,17 +132,26 @@ enum { CFHSI_PRIO_LAST, }; +struct cfhsi_config { + u32 inactivity_timeout; + u32 aggregation_timeout; + u32 head_align; + u32 tail_align; + u32 q_high_mark; + u32 q_low_mark; +}; + /* Structure implemented by CAIF HSI drivers. */ struct cfhsi { struct caif_dev_common cfdev; struct net_device *ndev; struct platform_device *pdev; struct sk_buff_head qhead[CFHSI_PRIO_LAST]; - struct cfhsi_drv drv; - struct cfhsi_dev *dev; + struct cfhsi_cb_ops cb_ops; + struct cfhsi_ops *ops; int tx_state; struct cfhsi_rx_state rx_state; - unsigned long inactivity_timeout; + struct cfhsi_config cfg; int rx_len; u8 *rx_ptr; u8 *tx_buf; @@ -150,8 +159,6 @@ struct cfhsi { u8 *rx_flip_buf; spinlock_t lock; int flow_off_sent; - u32 q_low_mark; - u32 q_high_mark; struct list_head list; struct work_struct wake_up_work; struct work_struct wake_down_work; @@ -164,13 +171,31 @@ struct cfhsi { struct timer_list rx_slowpath_timer; /* TX aggregation */ - unsigned long aggregation_timeout; int aggregation_len; struct timer_list aggregation_timer; unsigned long bits; }; - extern struct platform_driver cfhsi_driver; +/** + * enum ifla_caif_hsi - CAIF HSI NetlinkRT parameters. + * @IFLA_CAIF_HSI_INACTIVITY_TOUT: Inactivity timeout before + * taking the HSI wakeline down, in milliseconds. + * When using RT Netlink to create, destroy or configure a CAIF HSI interface, + * enum ifla_caif_hsi is used to specify the configuration attributes. + */ +enum ifla_caif_hsi { + __IFLA_CAIF_HSI_UNSPEC, + __IFLA_CAIF_HSI_INACTIVITY_TOUT, + __IFLA_CAIF_HSI_AGGREGATION_TOUT, + __IFLA_CAIF_HSI_HEAD_ALIGN, + __IFLA_CAIF_HSI_TAIL_ALIGN, + __IFLA_CAIF_HSI_QHIGH_WATERMARK, + __IFLA_CAIF_HSI_QLOW_WATERMARK, + __IFLA_CAIF_HSI_MAX +}; + +extern struct cfhsi_ops *cfhsi_get_ops(void); + #endif /* CAIF_HSI_H_ */ diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 0289d4c..493fa0c 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -70,11 +70,13 @@ * * @IEEE80211_BAND_2GHZ: 2.4GHz ISM band * @IEEE80211_BAND_5GHZ: around 5GHz band (4.9-5.7) + * @IEEE80211_BAND_60GHZ: around 60 GHz band (58.32 - 64.80 GHz) * @IEEE80211_NUM_BANDS: number of defined bands */ enum ieee80211_band { IEEE80211_BAND_2GHZ = NL80211_BAND_2GHZ, IEEE80211_BAND_5GHZ = NL80211_BAND_5GHZ, + IEEE80211_BAND_60GHZ = NL80211_BAND_60GHZ, /* keep last */ IEEE80211_NUM_BANDS @@ -211,6 +213,22 @@ struct ieee80211_sta_ht_cap { }; /** + * struct ieee80211_sta_vht_cap - STA's VHT capabilities + * + * This structure describes most essential parameters needed + * to describe 802.11ac VHT capabilities for an STA. + * + * @vht_supported: is VHT supported by the STA + * @cap: VHT capabilities map as described in 802.11ac spec + * @vht_mcs: Supported VHT MCS rates + */ +struct ieee80211_sta_vht_cap { + bool vht_supported; + u32 cap; /* use IEEE80211_VHT_CAP_ */ + struct ieee80211_vht_mcs_info vht_mcs; +}; + +/** * struct ieee80211_supported_band - frequency band definition * * This structure describes a frequency band a wiphy @@ -233,6 +251,7 @@ struct ieee80211_supported_band { int n_channels; int n_bitrates; struct ieee80211_sta_ht_cap ht_cap; + struct ieee80211_sta_vht_cap vht_cap; }; /* @@ -404,6 +423,8 @@ struct cfg80211_beacon_data { * * Used to configure an AP interface. * + * @channel: the channel to start the AP on + * @channel_type: the channel type to use * @beacon: beacon data * @beacon_interval: beacon interval * @dtim_period: DTIM period @@ -417,6 +438,9 @@ struct cfg80211_beacon_data { * @inactivity_timeout: time in seconds to determine station's inactivity. */ struct cfg80211_ap_settings { + struct ieee80211_channel *channel; + enum nl80211_channel_type channel_type; + struct cfg80211_beacon_data beacon; int beacon_interval, dtim_period; @@ -556,11 +580,13 @@ enum station_info_flags { * @RATE_INFO_FLAGS_MCS: @tx_bitrate_mcs filled * @RATE_INFO_FLAGS_40_MHZ_WIDTH: 40 Mhz width transmission * @RATE_INFO_FLAGS_SHORT_GI: 400ns guard interval + * @RATE_INFO_FLAGS_60G: 60gHz MCS */ enum rate_info_flags { RATE_INFO_FLAGS_MCS = 1<<0, RATE_INFO_FLAGS_40_MHZ_WIDTH = 1<<1, RATE_INFO_FLAGS_SHORT_GI = 1<<2, + RATE_INFO_FLAGS_60G = 1<<3, }; /** @@ -622,10 +648,10 @@ struct sta_bss_parameters { * @llid: mesh local link id * @plid: mesh peer link id * @plink_state: mesh peer link state - * @signal: the signal strength, type depends on the wiphy's signal_type - NOTE: For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_. - * @signal_avg: avg signal strength, type depends on the wiphy's signal_type - NOTE: For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_. + * @signal: The signal strength, type depends on the wiphy's signal_type. + * For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_. + * @signal_avg: Average signal strength, type depends on the wiphy's signal_type. + * For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_. * @txrate: current unicast bitrate from this station * @rxrate: current unicast bitrate to this station * @rx_packets: packets received from this station @@ -785,47 +811,101 @@ struct bss_parameters { int ht_opmode; }; -/* +/** * struct mesh_config - 802.11s mesh configuration * * These parameters can be changed while the mesh is active. + * + * @dot11MeshRetryTimeout: the initial retry timeout in millisecond units used + * by the Mesh Peering Open message + * @dot11MeshConfirmTimeout: the initial retry timeout in millisecond units + * used by the Mesh Peering Open message + * @dot11MeshHoldingTimeout: the confirm timeout in millisecond units used by + * the mesh peering management to close a mesh peering + * @dot11MeshMaxPeerLinks: the maximum number of peer links allowed on this + * mesh interface + * @dot11MeshMaxRetries: the maximum number of peer link open retries that can + * be sent to establish a new peer link instance in a mesh + * @dot11MeshTTL: the value of TTL field set at a source mesh STA + * @element_ttl: the value of TTL field set at a mesh STA for path selection + * elements + * @auto_open_plinks: whether we should automatically open peer links when we + * detect compatible mesh peers + * @dot11MeshNbrOffsetMaxNeighbor: the maximum number of neighbors to + * synchronize to for 11s default synchronization method + * @dot11MeshHWMPmaxPREQretries: the number of action frames containing a PREQ + * that an originator mesh STA can send to a particular path target + * @path_refresh_time: how frequently to refresh mesh paths in milliseconds + * @min_discovery_timeout: the minimum length of time to wait until giving up on + * a path discovery in milliseconds + * @dot11MeshHWMPactivePathTimeout: the time (in TUs) for which mesh STAs + * receiving a PREQ shall consider the forwarding information from the + * root to be valid. (TU = time unit) + * @dot11MeshHWMPpreqMinInterval: the minimum interval of time (in TUs) during + * which a mesh STA can send only one action frame containing a PREQ + * element + * @dot11MeshHWMPperrMinInterval: the minimum interval of time (in TUs) during + * which a mesh STA can send only one Action frame containing a PERR + * element + * @dot11MeshHWMPnetDiameterTraversalTime: the interval of time (in TUs) that + * it takes for an HWMP information element to propagate across the mesh + * @dot11MeshHWMPRootMode: the configuration of a mesh STA as root mesh STA + * @dot11MeshHWMPRannInterval: the interval of time (in TUs) between root + * announcements are transmitted + * @dot11MeshGateAnnouncementProtocol: whether to advertise that this mesh + * station has access to a broader network beyond the MBSS. (This is + * missnamed in draft 12.0: dot11MeshGateAnnouncementProtocol set to true + * only means that the station will announce others it's a mesh gate, but + * not necessarily using the gate announcement protocol. Still keeping the + * same nomenclature to be in sync with the spec) + * @dot11MeshForwarding: whether the Mesh STA is forwarding or non-forwarding + * entity (default is TRUE - forwarding entity) + * @rssi_threshold: the threshold for average signal strength of candidate + * station to establish a peer link + * @ht_opmode: mesh HT protection mode + * + * @dot11MeshHWMPactivePathToRootTimeout: The time (in TUs) for which mesh STAs + * receiving a proactive PREQ shall consider the forwarding information to + * the root mesh STA to be valid. + * + * @dot11MeshHWMProotInterval: The interval of time (in TUs) between proactive + * PREQs are transmitted. + * @dot11MeshHWMPconfirmationInterval: The minimum interval of time (in TUs) + * during which a mesh STA can send only one Action frame containing + * a PREQ element for root path confirmation. */ struct mesh_config { - /* Timeouts in ms */ - /* Mesh plink management parameters */ u16 dot11MeshRetryTimeout; u16 dot11MeshConfirmTimeout; u16 dot11MeshHoldingTimeout; u16 dot11MeshMaxPeerLinks; - u8 dot11MeshMaxRetries; - u8 dot11MeshTTL; - /* ttl used in path selection information elements */ - u8 element_ttl; + u8 dot11MeshMaxRetries; + u8 dot11MeshTTL; + u8 element_ttl; bool auto_open_plinks; - /* neighbor offset synchronization */ u32 dot11MeshNbrOffsetMaxNeighbor; - /* HWMP parameters */ - u8 dot11MeshHWMPmaxPREQretries; + u8 dot11MeshHWMPmaxPREQretries; u32 path_refresh_time; u16 min_discovery_timeout; u32 dot11MeshHWMPactivePathTimeout; u16 dot11MeshHWMPpreqMinInterval; u16 dot11MeshHWMPperrMinInterval; u16 dot11MeshHWMPnetDiameterTraversalTime; - u8 dot11MeshHWMPRootMode; + u8 dot11MeshHWMPRootMode; u16 dot11MeshHWMPRannInterval; - /* This is missnamed in draft 12.0: dot11MeshGateAnnouncementProtocol - * set to true only means that the station will announce others it's a - * mesh gate, but not necessarily using the gate announcement protocol. - * Still keeping the same nomenclature to be in sync with the spec. */ - bool dot11MeshGateAnnouncementProtocol; + bool dot11MeshGateAnnouncementProtocol; bool dot11MeshForwarding; s32 rssi_threshold; u16 ht_opmode; + u32 dot11MeshHWMPactivePathToRootTimeout; + u16 dot11MeshHWMProotInterval; + u16 dot11MeshHWMPconfirmationInterval; }; /** * struct mesh_setup - 802.11s mesh setup configuration + * @channel: the channel to start the mesh network on + * @channel_type: the channel type to use * @mesh_id: the mesh ID * @mesh_id_len: length of the mesh ID, at least 1 and at most 32 bytes * @sync_method: which synchronization method to use @@ -840,6 +920,8 @@ struct mesh_config { * These parameters are fixed when the mesh is created. */ struct mesh_setup { + struct ieee80211_channel *channel; + enum nl80211_channel_type channel_type; const u8 *mesh_id; u8 mesh_id_len; u8 sync_method; @@ -917,7 +999,7 @@ struct cfg80211_ssid { * @ie_len: length of ie in octets * @rates: bitmap of rates to advertise for each band * @wiphy: the wiphy this was for - * @dev: the interface + * @wdev: the wireless device to scan for * @aborted: (internal) scan request was notified as aborted * @no_cck: used to send probe requests at non CCK rate in 2GHz band */ @@ -930,9 +1012,10 @@ struct cfg80211_scan_request { u32 rates[IEEE80211_NUM_BANDS]; + struct wireless_dev *wdev; + /* internal */ struct wiphy *wiphy; - struct net_device *dev; bool aborted; bool no_cck; @@ -966,6 +1049,7 @@ struct cfg80211_match_set { * @wiphy: the wiphy this was for * @dev: the interface * @channels: channels to scan + * @rssi_thold: don't report scan results below this threshold (in s32 dBm) */ struct cfg80211_sched_scan_request { struct cfg80211_ssid *ssids; @@ -976,6 +1060,7 @@ struct cfg80211_sched_scan_request { size_t ie_len; struct cfg80211_match_set *match_sets; int n_match_sets; + s32 rssi_thold; /* internal */ struct wiphy *wiphy; @@ -1351,10 +1436,10 @@ struct cfg80211_gtk_rekey_data { * * @add_virtual_intf: create a new virtual interface with the given name, * must set the struct wireless_dev's iftype. Beware: You must create - * the new netdev in the wiphy's network namespace! Returns the netdev, - * or an ERR_PTR. + * the new netdev in the wiphy's network namespace! Returns the struct + * wireless_dev, or an ERR_PTR. * - * @del_virtual_intf: remove the virtual interface determined by ifindex. + * @del_virtual_intf: remove the virtual interface * * @change_virtual_intf: change type/configuration of virtual interface, * keep the struct wireless_dev's iftype updated. @@ -1411,14 +1496,14 @@ struct cfg80211_gtk_rekey_data { * * @set_txq_params: Set TX queue parameters * - * @set_channel: Set channel for a given wireless interface. Some devices - * may support multi-channel operation (by channel hopping) so cfg80211 - * doesn't verify much. Note, however, that the passed netdev may be - * %NULL as well if the user requested changing the channel for the - * device itself, or for a monitor interface. - * @get_channel: Get the current operating channel, should return %NULL if - * there's no single defined operating channel if for example the - * device implements channel hopping for multi-channel virtual interfaces. + * @libertas_set_mesh_channel: Only for backward compatibility for libertas, + * as it doesn't implement join_mesh and needs to set the channel to + * join the mesh instead. + * + * @set_monitor_channel: Set the monitor mode channel for the device. If other + * interfaces are active this callback should reject the configuration. + * If no interfaces are active or the device is down, the channel should + * be stored for when a monitor interface becomes active. * * @scan: Request to do a scan. If returning zero, the scan request is given * the driver, and will be valid until passed to cfg80211_scan_done(). @@ -1488,6 +1573,8 @@ struct cfg80211_gtk_rekey_data { * @set_power_mgmt: Configure WLAN power management. A timeout value of -1 * allows the driver to adjust the dynamic ps timeout value. * @set_cqm_rssi_config: Configure connection quality monitor RSSI threshold. + * @set_cqm_txe_config: Configure connection quality monitor TX error + * thresholds. * @sched_scan_start: Tell the driver to start a scheduled scan. * @sched_scan_stop: Tell the driver to stop an ongoing scheduled * scan. The driver_initiated flag specifies whether the driver @@ -1525,18 +1612,23 @@ struct cfg80211_gtk_rekey_data { * @get_et_strings: Ethtool API to get a set of strings to describe stats * and perhaps other supported types of ethtool data-sets. * See @ethtool_ops.get_strings + * + * @get_channel: Get the current operating channel for the virtual interface. + * For monitor interfaces, it should return %NULL unless there's a single + * current monitoring channel. */ struct cfg80211_ops { int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow); int (*resume)(struct wiphy *wiphy); void (*set_wakeup)(struct wiphy *wiphy, bool enabled); - struct net_device * (*add_virtual_intf)(struct wiphy *wiphy, - char *name, - enum nl80211_iftype type, - u32 *flags, - struct vif_params *params); - int (*del_virtual_intf)(struct wiphy *wiphy, struct net_device *dev); + struct wireless_dev * (*add_virtual_intf)(struct wiphy *wiphy, + char *name, + enum nl80211_iftype type, + u32 *flags, + struct vif_params *params); + int (*del_virtual_intf)(struct wiphy *wiphy, + struct wireless_dev *wdev); int (*change_virtual_intf)(struct wiphy *wiphy, struct net_device *dev, enum nl80211_iftype type, u32 *flags, @@ -1605,11 +1697,15 @@ struct cfg80211_ops { int (*set_txq_params)(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_txq_params *params); - int (*set_channel)(struct wiphy *wiphy, struct net_device *dev, - struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type); + int (*libertas_set_mesh_channel)(struct wiphy *wiphy, + struct net_device *dev, + struct ieee80211_channel *chan); + + int (*set_monitor_channel)(struct wiphy *wiphy, + struct ieee80211_channel *chan, + enum nl80211_channel_type channel_type); - int (*scan)(struct wiphy *wiphy, struct net_device *dev, + int (*scan)(struct wiphy *wiphy, struct cfg80211_scan_request *request); int (*auth)(struct wiphy *wiphy, struct net_device *dev, @@ -1663,23 +1759,23 @@ struct cfg80211_ops { int (*flush_pmksa)(struct wiphy *wiphy, struct net_device *netdev); int (*remain_on_channel)(struct wiphy *wiphy, - struct net_device *dev, + struct wireless_dev *wdev, struct ieee80211_channel *chan, enum nl80211_channel_type channel_type, unsigned int duration, u64 *cookie); int (*cancel_remain_on_channel)(struct wiphy *wiphy, - struct net_device *dev, + struct wireless_dev *wdev, u64 cookie); - int (*mgmt_tx)(struct wiphy *wiphy, struct net_device *dev, + int (*mgmt_tx)(struct wiphy *wiphy, struct wireless_dev *wdev, struct ieee80211_channel *chan, bool offchan, enum nl80211_channel_type channel_type, bool channel_type_valid, unsigned int wait, const u8 *buf, size_t len, bool no_cck, bool dont_wait_for_ack, u64 *cookie); int (*mgmt_tx_cancel_wait)(struct wiphy *wiphy, - struct net_device *dev, + struct wireless_dev *wdev, u64 cookie); int (*set_power_mgmt)(struct wiphy *wiphy, struct net_device *dev, @@ -1689,8 +1785,12 @@ struct cfg80211_ops { struct net_device *dev, s32 rssi_thold, u32 rssi_hyst); + int (*set_cqm_txe_config)(struct wiphy *wiphy, + struct net_device *dev, + u32 rate, u32 pkts, u32 intvl); + void (*mgmt_frame_register)(struct wiphy *wiphy, - struct net_device *dev, + struct wireless_dev *wdev, u16 frame_type, bool reg); int (*set_antenna)(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant); @@ -1721,15 +1821,17 @@ struct cfg80211_ops { struct net_device *dev, u16 noack_map); - struct ieee80211_channel *(*get_channel)(struct wiphy *wiphy, - enum nl80211_channel_type *type); - int (*get_et_sset_count)(struct wiphy *wiphy, struct net_device *dev, int sset); void (*get_et_stats)(struct wiphy *wiphy, struct net_device *dev, struct ethtool_stats *stats, u64 *data); void (*get_et_strings)(struct wiphy *wiphy, struct net_device *dev, u32 sset, u8 *data); + + struct ieee80211_channel * + (*get_channel)(struct wiphy *wiphy, + struct wireless_dev *wdev, + enum nl80211_channel_type *type); }; /* @@ -2083,7 +2185,9 @@ struct wiphy { char fw_version[ETHTOOL_BUSINFO_LEN]; u32 hw_version; +#ifdef CONFIG_PM struct wiphy_wowlan_support wowlan; +#endif u16 max_remain_on_channel_duration; @@ -2250,20 +2354,31 @@ struct cfg80211_internal_bss; struct cfg80211_cached_keys; /** - * struct wireless_dev - wireless per-netdev state + * struct wireless_dev - wireless device state + * + * For netdevs, this structure must be allocated by the driver + * that uses the ieee80211_ptr field in struct net_device (this + * is intentional so it can be allocated along with the netdev.) + * It need not be registered then as netdev registration will + * be intercepted by cfg80211 to see the new wireless device. * - * This structure must be allocated by the driver/stack - * that uses the ieee80211_ptr field in struct net_device - * (this is intentional so it can be allocated along with - * the netdev.) + * For non-netdev uses, it must also be allocated by the driver + * in response to the cfg80211 callbacks that require it, as + * there's no netdev registration in that case it may not be + * allocated outside of callback operations that return it. * * @wiphy: pointer to hardware description * @iftype: interface type * @list: (private) Used to collect the interfaces - * @netdev: (private) Used to reference back to the netdev + * @netdev: (private) Used to reference back to the netdev, may be %NULL + * @identifier: (private) Identifier used in nl80211 to identify this + * wireless device if it has no netdev * @current_bss: (private) Used by the internal configuration code * @channel: (private) Used by the internal configuration code to track - * user-set AP, monitor and WDS channels for wireless extensions + * the user-set AP, monitor and WDS channel + * @preset_chan: (private) Used by the internal configuration code to + * track the channel to be used for AP later + * @preset_chantype: (private) the corresponding channel type * @bssid: (private) Used by the internal configuration code * @ssid: (private) Used by the internal configuration code * @ssid_len: (private) Used by the internal configuration code @@ -2289,6 +2404,8 @@ struct wireless_dev { struct list_head list; struct net_device *netdev; + u32 identifier; + struct list_head mgmt_registrations; spinlock_t mgmt_registrations_lock; @@ -2313,8 +2430,14 @@ struct wireless_dev { spinlock_t event_lock; struct cfg80211_internal_bss *current_bss; /* associated / joined */ + struct ieee80211_channel *preset_chan; + enum nl80211_channel_type preset_chantype; + + /* for AP and mesh channel tracking */ struct ieee80211_channel *channel; + bool ibss_fixed; + bool ps; int ps_timeout; @@ -3169,7 +3292,7 @@ void cfg80211_disconnected(struct net_device *dev, u16 reason, /** * cfg80211_ready_on_channel - notification of remain_on_channel start - * @dev: network device + * @wdev: wireless device * @cookie: the request cookie * @chan: The current channel (from remain_on_channel request) * @channel_type: Channel type @@ -3177,21 +3300,20 @@ void cfg80211_disconnected(struct net_device *dev, u16 reason, * channel * @gfp: allocation flags */ -void cfg80211_ready_on_channel(struct net_device *dev, u64 cookie, +void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, struct ieee80211_channel *chan, enum nl80211_channel_type channel_type, unsigned int duration, gfp_t gfp); /** * cfg80211_remain_on_channel_expired - remain_on_channel duration expired - * @dev: network device + * @wdev: wireless device * @cookie: the request cookie * @chan: The current channel (from remain_on_channel request) * @channel_type: Channel type * @gfp: allocation flags */ -void cfg80211_remain_on_channel_expired(struct net_device *dev, - u64 cookie, +void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, struct ieee80211_channel *chan, enum nl80211_channel_type channel_type, gfp_t gfp); @@ -3219,7 +3341,7 @@ void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp); /** * cfg80211_rx_mgmt - notification of received, unprocessed management frame - * @dev: network device + * @wdev: wireless device receiving the frame * @freq: Frequency on which the frame was received in MHz * @sig_dbm: signal strength in mBm, or 0 if unknown * @buf: Management frame (header + body) @@ -3234,12 +3356,12 @@ void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp); * This function is called whenever an Action frame is received for a station * mode interface, but is not processed in kernel. */ -bool cfg80211_rx_mgmt(struct net_device *dev, int freq, int sig_dbm, +bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_dbm, const u8 *buf, size_t len, gfp_t gfp); /** * cfg80211_mgmt_tx_status - notification of TX status for management frame - * @dev: network device + * @wdev: wireless device receiving the frame * @cookie: Cookie returned by cfg80211_ops::mgmt_tx() * @buf: Management frame (header + body) * @len: length of the frame data @@ -3250,7 +3372,7 @@ bool cfg80211_rx_mgmt(struct net_device *dev, int freq, int sig_dbm, * transmitted with cfg80211_ops::mgmt_tx() to report the TX status of the * transmission attempt. */ -void cfg80211_mgmt_tx_status(struct net_device *dev, u64 cookie, +void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, const u8 *buf, size_t len, bool ack, gfp_t gfp); @@ -3280,6 +3402,21 @@ void cfg80211_cqm_pktloss_notify(struct net_device *dev, const u8 *peer, u32 num_packets, gfp_t gfp); /** + * cfg80211_cqm_txe_notify - TX error rate event + * @dev: network device + * @peer: peer's MAC address + * @num_packets: how many packets were lost + * @rate: % of packets which failed transmission + * @intvl: interval (in s) over which the TX failure threshold was breached. + * @gfp: context flags + * + * Notify userspace when configured % TX failures over number of packets in a + * given interval is exceeded. + */ +void cfg80211_cqm_txe_notify(struct net_device *dev, const u8 *peer, + u32 num_packets, u32 rate, u32 intvl, gfp_t gfp); + +/** * cfg80211_gtk_rekey_notify - notify userspace about driver rekeying * @dev: network device * @bssid: BSSID of AP (to avoid races) @@ -3359,11 +3496,14 @@ void cfg80211_report_obss_beacon(struct wiphy *wiphy, const u8 *frame, size_t len, int freq, int sig_dbm, gfp_t gfp); -/* +/** * cfg80211_can_beacon_sec_chan - test if ht40 on extension channel can be used * @wiphy: the wiphy * @chan: main channel * @channel_type: HT mode + * + * This function returns true if there is no secondary channel or the secondary + * channel can be used for beaconing (i.e. is not a radar channel etc.) */ bool cfg80211_can_beacon_sec_chan(struct wiphy *wiphy, struct ieee80211_channel *chan, @@ -3386,7 +3526,7 @@ void cfg80211_ch_switch_notify(struct net_device *dev, int freq, * * return 0 if MCS index >= 32 */ -u16 cfg80211_calculate_bitrate(struct rate_info *rate); +u32 cfg80211_calculate_bitrate(struct rate_info *rate); /* Logging, debugging and troubleshooting/diagnostic helpers. */ diff --git a/include/net/dn_route.h b/include/net/dn_route.h index c507e05..4f7d6a1 100644 --- a/include/net/dn_route.h +++ b/include/net/dn_route.h @@ -67,6 +67,8 @@ extern void dn_rt_cache_flush(int delay); struct dn_route { struct dst_entry dst; + struct neighbour *n; + struct flowidn fld; __le16 rt_saddr; diff --git a/include/net/dst.h b/include/net/dst.h index 8197ead..baf5978 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -42,16 +42,16 @@ struct dst_entry { struct dst_entry *from; }; struct dst_entry *path; - struct neighbour __rcu *_neighbour; + void *__pad0; #ifdef CONFIG_XFRM struct xfrm_state *xfrm; #else void *__pad1; #endif - int (*input)(struct sk_buff*); - int (*output)(struct sk_buff*); + int (*input)(struct sk_buff *); + int (*output)(struct sk_buff *); - int flags; + unsigned short flags; #define DST_HOST 0x0001 #define DST_NOXFRM 0x0002 #define DST_NOPOLICY 0x0004 @@ -62,8 +62,23 @@ struct dst_entry { #define DST_FAKE_RTABLE 0x0080 #define DST_XFRM_TUNNEL 0x0100 + unsigned short pending_confirm; + short error; + + /* A non-zero value of dst->obsolete forces by-hand validation + * of the route entry. Positive values are set by the generic + * dst layer to indicate that the entry has been forcefully + * destroyed. + * + * Negative values are used by the implementation layer code to + * force invocation of the dst_ops->check() method. + */ short obsolete; +#define DST_OBSOLETE_NONE 0 +#define DST_OBSOLETE_DEAD 2 +#define DST_OBSOLETE_FORCE_CHK -1 +#define DST_OBSOLETE_KILL -2 unsigned short header_len; /* more space at head required */ unsigned short trailer_len; /* space to reserve at tail */ #ifdef CONFIG_IP_ROUTE_CLASSID @@ -94,21 +109,6 @@ struct dst_entry { }; }; -static inline struct neighbour *dst_get_neighbour_noref(struct dst_entry *dst) -{ - return rcu_dereference(dst->_neighbour); -} - -static inline struct neighbour *dst_get_neighbour_noref_raw(struct dst_entry *dst) -{ - return rcu_dereference_raw(dst->_neighbour); -} - -static inline void dst_set_neighbour(struct dst_entry *dst, struct neighbour *neigh) -{ - rcu_assign_pointer(dst->_neighbour, neigh); -} - extern u32 *dst_cow_metrics_generic(struct dst_entry *dst, unsigned long old); extern const u32 dst_default_metrics[RTAX_MAX]; @@ -222,12 +222,6 @@ static inline unsigned long dst_metric_rtt(const struct dst_entry *dst, int metr return msecs_to_jiffies(dst_metric(dst, metric)); } -static inline void set_dst_metric_rtt(struct dst_entry *dst, int metric, - unsigned long rtt) -{ - dst_metric_set(dst, metric, jiffies_to_msecs(rtt)); -} - static inline u32 dst_allfrag(const struct dst_entry *dst) { @@ -241,7 +235,7 @@ dst_metric_locked(const struct dst_entry *dst, int metric) return dst_metric(dst, RTAX_LOCK) & (1<<metric); } -static inline void dst_hold(struct dst_entry * dst) +static inline void dst_hold(struct dst_entry *dst) { /* * If your kernel compilation stops here, please check @@ -264,8 +258,7 @@ static inline void dst_use_noref(struct dst_entry *dst, unsigned long time) dst->lastuse = time; } -static inline -struct dst_entry * dst_clone(struct dst_entry * dst) +static inline struct dst_entry *dst_clone(struct dst_entry *dst) { if (dst) atomic_inc(&dst->__refcnt); @@ -371,14 +364,15 @@ static inline struct dst_entry *skb_dst_pop(struct sk_buff *skb) } extern int dst_discard(struct sk_buff *skb); -extern void *dst_alloc(struct dst_ops * ops, struct net_device *dev, - int initial_ref, int initial_obsolete, int flags); -extern void __dst_free(struct dst_entry * dst); -extern struct dst_entry *dst_destroy(struct dst_entry * dst); +extern void *dst_alloc(struct dst_ops *ops, struct net_device *dev, + int initial_ref, int initial_obsolete, + unsigned short flags); +extern void __dst_free(struct dst_entry *dst); +extern struct dst_entry *dst_destroy(struct dst_entry *dst); -static inline void dst_free(struct dst_entry * dst) +static inline void dst_free(struct dst_entry *dst) { - if (dst->obsolete > 1) + if (dst->obsolete > 0) return; if (!atomic_read(&dst->__refcnt)) { dst = dst_destroy(dst); @@ -396,19 +390,35 @@ static inline void dst_rcu_free(struct rcu_head *head) static inline void dst_confirm(struct dst_entry *dst) { - if (dst) { - struct neighbour *n; + dst->pending_confirm = 1; +} - rcu_read_lock(); - n = dst_get_neighbour_noref(dst); - neigh_confirm(n); - rcu_read_unlock(); +static inline int dst_neigh_output(struct dst_entry *dst, struct neighbour *n, + struct sk_buff *skb) +{ + struct hh_cache *hh; + + if (unlikely(dst->pending_confirm)) { + n->confirmed = jiffies; + dst->pending_confirm = 0; } + + hh = &n->hh; + if ((n->nud_state & NUD_CONNECTED) && hh->hh_len) + return neigh_hh_output(hh, skb); + else + return n->output(n, skb); } static inline struct neighbour *dst_neigh_lookup(const struct dst_entry *dst, const void *daddr) { - return dst->ops->neigh_lookup(dst, daddr); + return dst->ops->neigh_lookup(dst, NULL, daddr); +} + +static inline struct neighbour *dst_neigh_lookup_skb(const struct dst_entry *dst, + struct sk_buff *skb) +{ + return dst->ops->neigh_lookup(dst, skb, NULL); } static inline void dst_link_failure(struct sk_buff *skb) diff --git a/include/net/dst_ops.h b/include/net/dst_ops.h index 3682a0a..2f26dfb 100644 --- a/include/net/dst_ops.h +++ b/include/net/dst_ops.h @@ -8,6 +8,7 @@ struct dst_entry; struct kmem_cachep; struct net_device; struct sk_buff; +struct sock; struct dst_ops { unsigned short family; @@ -24,9 +25,14 @@ struct dst_ops { struct net_device *dev, int how); struct dst_entry * (*negative_advice)(struct dst_entry *); void (*link_failure)(struct sk_buff *); - void (*update_pmtu)(struct dst_entry *dst, u32 mtu); + void (*update_pmtu)(struct dst_entry *dst, struct sock *sk, + struct sk_buff *skb, u32 mtu); + void (*redirect)(struct dst_entry *dst, struct sock *sk, + struct sk_buff *skb); int (*local_out)(struct sk_buff *skb); - struct neighbour * (*neigh_lookup)(const struct dst_entry *dst, const void *daddr); + struct neighbour * (*neigh_lookup)(const struct dst_entry *dst, + struct sk_buff *skb, + const void *daddr); struct kmem_cache *kmem_cachep; diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h index 075f1e3..e361f48 100644 --- a/include/net/fib_rules.h +++ b/include/net/fib_rules.h @@ -52,6 +52,7 @@ struct fib_rules_ops { struct sk_buff *, struct fib_rule_hdr *, struct nlattr **); + void (*delete)(struct fib_rule *); int (*compare)(struct fib_rule *, struct fib_rule_hdr *, struct nlattr **); diff --git a/include/net/flow.h b/include/net/flow.h index 6c469db..e1dd508 100644 --- a/include/net/flow.h +++ b/include/net/flow.h @@ -20,8 +20,7 @@ struct flowi_common { __u8 flowic_proto; __u8 flowic_flags; #define FLOWI_FLAG_ANYSRC 0x01 -#define FLOWI_FLAG_PRECOW_METRICS 0x02 -#define FLOWI_FLAG_CAN_SLEEP 0x04 +#define FLOWI_FLAG_CAN_SLEEP 0x02 __u32 flowic_secid; }; diff --git a/include/net/genetlink.h b/include/net/genetlink.h index ccb6888..48905cd 100644 --- a/include/net/genetlink.h +++ b/include/net/genetlink.h @@ -5,6 +5,8 @@ #include <net/netlink.h> #include <net/net_namespace.h> +#define GENLMSG_DEFAULT_SIZE (NLMSG_DEFAULT_SIZE - GENL_HDRLEN) + /** * struct genl_multicast_group - generic netlink multicast group * @name: name of the multicast group, names are per-family diff --git a/include/net/inet6_connection_sock.h b/include/net/inet6_connection_sock.h index 1866a67..04642c9 100644 --- a/include/net/inet6_connection_sock.h +++ b/include/net/inet6_connection_sock.h @@ -26,6 +26,7 @@ extern int inet6_csk_bind_conflict(const struct sock *sk, const struct inet_bind_bucket *tb, bool relax); extern struct dst_entry* inet6_csk_route_req(struct sock *sk, + struct flowi6 *fl6, const struct request_sock *req); extern struct request_sock *inet6_csk_search_req(const struct sock *sk, @@ -42,4 +43,6 @@ extern void inet6_csk_reqsk_queue_hash_add(struct sock *sk, extern void inet6_csk_addr2sockaddr(struct sock *sk, struct sockaddr *uaddr); extern int inet6_csk_xmit(struct sk_buff *skb, struct flowi *fl); + +extern struct dst_entry *inet6_csk_update_pmtu(struct sock *sk, u32 mtu); #endif /* _INET6_CONNECTION_SOCK_H */ diff --git a/include/net/inet_common.h b/include/net/inet_common.h index 22fac98..2340087 100644 --- a/include/net/inet_common.h +++ b/include/net/inet_common.h @@ -14,9 +14,11 @@ struct sockaddr; struct socket; extern int inet_release(struct socket *sock); -extern int inet_stream_connect(struct socket *sock, struct sockaddr * uaddr, +extern int inet_stream_connect(struct socket *sock, struct sockaddr *uaddr, int addr_len, int flags); -extern int inet_dgram_connect(struct socket *sock, struct sockaddr * uaddr, +extern int __inet_stream_connect(struct socket *sock, struct sockaddr *uaddr, + int addr_len, int flags); +extern int inet_dgram_connect(struct socket *sock, struct sockaddr *uaddr, int addr_len, int flags); extern int inet_accept(struct socket *sock, struct socket *newsock, int flags); extern int inet_sendmsg(struct kiocb *iocb, struct socket *sock, diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h index 7d83f90..5ee66f5 100644 --- a/include/net/inet_connection_sock.h +++ b/include/net/inet_connection_sock.h @@ -43,7 +43,6 @@ struct inet_connection_sock_af_ops { struct sock *(*syn_recv_sock)(struct sock *sk, struct sk_buff *skb, struct request_sock *req, struct dst_entry *dst); - struct inet_peer *(*get_peer)(struct sock *sk, bool *release_it); u16 net_header_len; u16 net_frag_header_len; u16 sockaddr_len; @@ -337,4 +336,6 @@ extern int inet_csk_compat_getsockopt(struct sock *sk, int level, int optname, char __user *optval, int __user *optlen); extern int inet_csk_compat_setsockopt(struct sock *sk, int level, int optname, char __user *optval, unsigned int optlen); + +extern struct dst_entry *inet_csk_update_pmtu(struct sock *sk, u32 mtu); #endif /* _INET_CONNECTION_SOCK_H */ diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h index 808fc5f..54be028 100644 --- a/include/net/inet_hashtables.h +++ b/include/net/inet_hashtables.h @@ -379,10 +379,10 @@ static inline struct sock *__inet_lookup_skb(struct inet_hashinfo *hashinfo, const __be16 sport, const __be16 dport) { - struct sock *sk; + struct sock *sk = skb_steal_sock(skb); const struct iphdr *iph = ip_hdr(skb); - if (unlikely(sk = skb_steal_sock(skb))) + if (sk) return sk; else return __inet_lookup(dev_net(skb_dst(skb)->dev), hashinfo, diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h index ae17e13..613cfa4 100644 --- a/include/net/inet_sock.h +++ b/include/net/inet_sock.h @@ -172,6 +172,7 @@ struct inet_sock { int uc_index; int mc_index; __be32 mc_addr; + int rx_dst_ifindex; struct ip_mc_socklist __rcu *mc_list; struct inet_cork_full cork; }; @@ -245,8 +246,6 @@ static inline __u8 inet_sk_flowi_flags(const struct sock *sk) if (inet_sk(sk)->transparent || inet_sk(sk)->hdrincl) flags |= FLOWI_FLAG_ANYSRC; - if (sk->sk_protocol == IPPROTO_TCP) - flags |= FLOWI_FLAG_PRECOW_METRICS; return flags; } diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h index 2040bff..53f464d 100644 --- a/include/net/inetpeer.h +++ b/include/net/inetpeer.h @@ -36,25 +36,19 @@ struct inet_peer { u32 metrics[RTAX_MAX]; u32 rate_tokens; /* rate limiting for ICMP */ unsigned long rate_last; - unsigned long pmtu_expires; - u32 pmtu_orig; - u32 pmtu_learned; - struct inetpeer_addr_base redirect_learned; union { struct list_head gc_list; struct rcu_head gc_rcu; }; /* * Once inet_peer is queued for deletion (refcnt == -1), following fields - * are not available: rid, ip_id_count, tcp_ts, tcp_ts_stamp + * are not available: rid, ip_id_count * We can share memory with rcu_head to help keep inet_peer small. */ union { struct { atomic_t rid; /* Frag reception counter */ atomic_t ip_id_count; /* IP ID for the next packet */ - __u32 tcp_ts; - __u32 tcp_ts_stamp; }; struct rcu_head rcu; struct inet_peer *gc_next; @@ -65,6 +59,69 @@ struct inet_peer { atomic_t refcnt; }; +struct inet_peer_base { + struct inet_peer __rcu *root; + seqlock_t lock; + u32 flush_seq; + int total; +}; + +#define INETPEER_BASE_BIT 0x1UL + +static inline struct inet_peer *inetpeer_ptr(unsigned long val) +{ + BUG_ON(val & INETPEER_BASE_BIT); + return (struct inet_peer *) val; +} + +static inline struct inet_peer_base *inetpeer_base_ptr(unsigned long val) +{ + if (!(val & INETPEER_BASE_BIT)) + return NULL; + val &= ~INETPEER_BASE_BIT; + return (struct inet_peer_base *) val; +} + +static inline bool inetpeer_ptr_is_peer(unsigned long val) +{ + return !(val & INETPEER_BASE_BIT); +} + +static inline void __inetpeer_ptr_set_peer(unsigned long *val, struct inet_peer *peer) +{ + /* This implicitly clears INETPEER_BASE_BIT */ + *val = (unsigned long) peer; +} + +static inline bool inetpeer_ptr_set_peer(unsigned long *ptr, struct inet_peer *peer) +{ + unsigned long val = (unsigned long) peer; + unsigned long orig = *ptr; + + if (!(orig & INETPEER_BASE_BIT) || + cmpxchg(ptr, orig, val) != orig) + return false; + return true; +} + +static inline void inetpeer_init_ptr(unsigned long *ptr, struct inet_peer_base *base) +{ + *ptr = (unsigned long) base | INETPEER_BASE_BIT; +} + +static inline void inetpeer_transfer_peer(unsigned long *to, unsigned long *from) +{ + unsigned long val = *from; + + *to = val; + if (inetpeer_ptr_is_peer(val)) { + struct inet_peer *peer = inetpeer_ptr(val); + atomic_inc(&peer->refcnt); + } +} + +extern void inet_peer_base_init(struct inet_peer_base *); + void inet_initpeers(void) __init; #define INETPEER_METRICS_NEW (~(u32) 0) @@ -75,31 +132,38 @@ static inline bool inet_metrics_new(const struct inet_peer *p) } /* can be called with or without local BH being disabled */ -struct inet_peer *inet_getpeer(const struct inetpeer_addr *daddr, int create); +struct inet_peer *inet_getpeer(struct inet_peer_base *base, + const struct inetpeer_addr *daddr, + int create); -static inline struct inet_peer *inet_getpeer_v4(__be32 v4daddr, int create) +static inline struct inet_peer *inet_getpeer_v4(struct inet_peer_base *base, + __be32 v4daddr, + int create) { struct inetpeer_addr daddr; daddr.addr.a4 = v4daddr; daddr.family = AF_INET; - return inet_getpeer(&daddr, create); + return inet_getpeer(base, &daddr, create); } -static inline struct inet_peer *inet_getpeer_v6(const struct in6_addr *v6daddr, int create) +static inline struct inet_peer *inet_getpeer_v6(struct inet_peer_base *base, + const struct in6_addr *v6daddr, + int create) { struct inetpeer_addr daddr; *(struct in6_addr *)daddr.addr.a6 = *v6daddr; daddr.family = AF_INET6; - return inet_getpeer(&daddr, create); + return inet_getpeer(base, &daddr, create); } /* can be called from BH context or outside */ extern void inet_putpeer(struct inet_peer *p); extern bool inet_peer_xrlim_allow(struct inet_peer *peer, int timeout); -extern void inetpeer_invalidate_tree(int family); +extern void inetpeer_invalidate_tree(struct inet_peer_base *); +extern void inetpeer_invalidate_family(int family); /* * temporary check to make sure we dont access rid, ip_id_count, tcp_ts, diff --git a/include/net/ip.h b/include/net/ip.h index 83e0619..bd5e444a 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -158,8 +158,9 @@ static inline __u8 ip_reply_arg_flowi_flags(const struct ip_reply_arg *arg) return (arg->flags & IP_REPLY_ARG_NOSRCCHECK) ? FLOWI_FLAG_ANYSRC : 0; } -void ip_send_reply(struct sock *sk, struct sk_buff *skb, __be32 daddr, - const struct ip_reply_arg *arg, unsigned int len); +void ip_send_unicast_reply(struct net *net, struct sk_buff *skb, __be32 daddr, + __be32 saddr, const struct ip_reply_arg *arg, + unsigned int len); struct ipv4_config { int log_martians; @@ -210,6 +211,9 @@ extern int inet_peer_threshold; extern int inet_peer_minttl; extern int inet_peer_maxttl; +/* From ip_input.c */ +extern int sysctl_ip_early_demux; + /* From ip_output.c */ extern int sysctl_ip_dynaddr; diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h index 0ae759a..0fedbd8 100644 --- a/include/net/ip6_fib.h +++ b/include/net/ip6_fib.h @@ -86,6 +86,8 @@ struct fib6_table; struct rt6_info { struct dst_entry dst; + struct neighbour *n; + /* * Tail elements of dst_entry (__refcnt etc.) * and these elements (rarely used in hot path) are in @@ -107,7 +109,7 @@ struct rt6_info { u32 rt6i_peer_genid; struct inet6_dev *rt6i_idev; - struct inet_peer *rt6i_peer; + unsigned long _rt6i_peer; #ifdef CONFIG_XFRM u32 rt6i_flow_cache_genid; @@ -118,6 +120,36 @@ struct rt6_info { u8 rt6i_protocol; }; +static inline struct inet_peer *rt6_peer_ptr(struct rt6_info *rt) +{ + return inetpeer_ptr(rt->_rt6i_peer); +} + +static inline bool rt6_has_peer(struct rt6_info *rt) +{ + return inetpeer_ptr_is_peer(rt->_rt6i_peer); +} + +static inline void __rt6_set_peer(struct rt6_info *rt, struct inet_peer *peer) +{ + __inetpeer_ptr_set_peer(&rt->_rt6i_peer, peer); +} + +static inline bool rt6_set_peer(struct rt6_info *rt, struct inet_peer *peer) +{ + return inetpeer_ptr_set_peer(&rt->_rt6i_peer, peer); +} + +static inline void rt6_init_peer(struct rt6_info *rt, struct inet_peer_base *base) +{ + inetpeer_init_ptr(&rt->_rt6i_peer, base); +} + +static inline void rt6_transfer_peer(struct rt6_info *rt, struct rt6_info *ort) +{ + inetpeer_transfer_peer(&rt->_rt6i_peer, &ort->_rt6i_peer); +} + static inline struct inet6_dev *ip6_dst_idev(struct dst_entry *dst) { return ((struct rt6_info *)dst)->rt6i_idev; @@ -207,6 +239,7 @@ struct fib6_table { u32 tb6_id; rwlock_t tb6_lock; struct fib6_node tb6_root; + struct inet_peer_base tb6_peers; }; #define RT6_TABLE_UNSPEC RT_TABLE_UNSPEC diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h index 37c1a1e..5fa2af0 100644 --- a/include/net/ip6_route.h +++ b/include/net/ip6_route.h @@ -53,16 +53,25 @@ static inline unsigned int rt6_flags2srcprefs(int flags) return (flags >> 3) & 7; } -extern void rt6_bind_peer(struct rt6_info *rt, - int create); +extern void rt6_bind_peer(struct rt6_info *rt, int create); + +static inline struct inet_peer *__rt6_get_peer(struct rt6_info *rt, int create) +{ + if (rt6_has_peer(rt)) + return rt6_peer_ptr(rt); + + rt6_bind_peer(rt, create); + return (rt6_has_peer(rt) ? rt6_peer_ptr(rt) : NULL); +} static inline struct inet_peer *rt6_get_peer(struct rt6_info *rt) { - if (rt->rt6i_peer) - return rt->rt6i_peer; + return __rt6_get_peer(rt, 0); +} - rt6_bind_peer(rt, 0); - return rt->rt6i_peer; +static inline struct inet_peer *rt6_get_peer_create(struct rt6_info *rt) +{ + return __rt6_get_peer(rt, 1); } extern void ip6_route_input(struct sk_buff *skb); @@ -124,17 +133,12 @@ extern int rt6_route_rcv(struct net_device *dev, u8 *opt, int len, const struct in6_addr *gwaddr); -extern void rt6_redirect(const struct in6_addr *dest, - const struct in6_addr *src, - const struct in6_addr *saddr, - struct neighbour *neigh, - u8 *lladdr, - int on_link); - -extern void rt6_pmtu_discovery(const struct in6_addr *daddr, - const struct in6_addr *saddr, - struct net_device *dev, - u32 pmtu); +extern void ip6_update_pmtu(struct sk_buff *skb, struct net *net, __be32 mtu, + int oif, u32 mark); +extern void ip6_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, + __be32 mtu); +extern void ip6_redirect(struct sk_buff *skb, struct net *net, int oif, u32 mark); +extern void ip6_sk_redirect(struct sk_buff *skb, struct sock *sk); struct netlink_callback; @@ -154,7 +158,8 @@ extern void rt6_remove_prefsrc(struct inet6_ifaddr *ifp); * Store a destination cache entry in a socket */ static inline void __ip6_dst_store(struct sock *sk, struct dst_entry *dst, - struct in6_addr *daddr, struct in6_addr *saddr) + const struct in6_addr *daddr, + const struct in6_addr *saddr) { struct ipv6_pinfo *np = inet6_sk(sk); struct rt6_info *rt = (struct rt6_info *) dst; diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h index fc73e667..358fb86 100644 --- a/include/net/ip6_tunnel.h +++ b/include/net/ip6_tunnel.h @@ -9,6 +9,8 @@ #define IP6_TNL_F_CAP_XMIT 0x10000 /* capable of receiving packets */ #define IP6_TNL_F_CAP_RCV 0x20000 +/* determine capability on a per-packet basis */ +#define IP6_TNL_F_CAP_PER_PACKET 0x40000 /* IPv6 tunnel */ diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index 78df0866..e69c3a4 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -18,7 +18,9 @@ #include <net/flow.h> #include <linux/seq_file.h> +#include <linux/rcupdate.h> #include <net/fib_rules.h> +#include <net/inetpeer.h> struct fib_config { u8 fc_dst_len; @@ -44,6 +46,23 @@ struct fib_config { }; struct fib_info; +struct rtable; + +struct fib_nh_exception { + struct fib_nh_exception __rcu *fnhe_next; + __be32 fnhe_daddr; + u32 fnhe_pmtu; + __be32 fnhe_gw; + unsigned long fnhe_expires; + unsigned long fnhe_stamp; +}; + +struct fnhe_hash_bucket { + struct fib_nh_exception __rcu *chain; +}; + +#define FNHE_HASH_SIZE 2048 +#define FNHE_RECLAIM_DEPTH 5 struct fib_nh { struct net_device *nh_dev; @@ -62,6 +81,9 @@ struct fib_nh { __be32 nh_gw; __be32 nh_saddr; int nh_saddr_genid; + struct rtable *nh_rth_output; + struct rtable *nh_rth_input; + struct fnhe_hash_bucket *nh_exceptions; }; /* @@ -105,12 +127,10 @@ struct fib_result { unsigned char nh_sel; unsigned char type; unsigned char scope; + u32 tclassid; struct fib_info *fi; struct fib_table *table; struct list_head *fa_head; -#ifdef CONFIG_IP_MULTIPLE_TABLES - struct fib_rule *r; -#endif }; struct fib_result_nl { @@ -157,11 +177,11 @@ extern __be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh); FIB_RES_SADDR(net, res)) struct fib_table { - struct hlist_node tb_hlist; - u32 tb_id; - int tb_default; - int tb_num_default; - unsigned long tb_data[0]; + struct hlist_node tb_hlist; + u32 tb_id; + int tb_default; + int tb_num_default; + unsigned long tb_data[0]; }; extern int fib_table_lookup(struct fib_table *tb, const struct flowi4 *flp, @@ -214,24 +234,55 @@ static inline int fib_lookup(struct net *net, const struct flowi4 *flp, extern int __net_init fib4_rules_init(struct net *net); extern void __net_exit fib4_rules_exit(struct net *net); -#ifdef CONFIG_IP_ROUTE_CLASSID -extern u32 fib_rules_tclass(const struct fib_result *res); -#endif - -extern int fib_lookup(struct net *n, struct flowi4 *flp, struct fib_result *res); - extern struct fib_table *fib_new_table(struct net *net, u32 id); extern struct fib_table *fib_get_table(struct net *net, u32 id); +extern int __fib_lookup(struct net *net, struct flowi4 *flp, + struct fib_result *res); + +static inline int fib_lookup(struct net *net, struct flowi4 *flp, + struct fib_result *res) +{ + if (!net->ipv4.fib_has_custom_rules) { + res->tclassid = 0; + if (net->ipv4.fib_local && + !fib_table_lookup(net->ipv4.fib_local, flp, res, + FIB_LOOKUP_NOREF)) + return 0; + if (net->ipv4.fib_main && + !fib_table_lookup(net->ipv4.fib_main, flp, res, + FIB_LOOKUP_NOREF)) + return 0; + if (net->ipv4.fib_default && + !fib_table_lookup(net->ipv4.fib_default, flp, res, + FIB_LOOKUP_NOREF)) + return 0; + return -ENETUNREACH; + } + return __fib_lookup(net, flp, res); +} + #endif /* CONFIG_IP_MULTIPLE_TABLES */ /* Exported by fib_frontend.c */ extern const struct nla_policy rtm_ipv4_policy[]; extern void ip_fib_init(void); +extern __be32 fib_compute_spec_dst(struct sk_buff *skb); extern int fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst, u8 tos, int oif, struct net_device *dev, - __be32 *spec_dst, u32 *itag); + struct in_device *idev, u32 *itag); extern void fib_select_default(struct fib_result *res); +#ifdef CONFIG_IP_ROUTE_CLASSID +static inline int fib_num_tclassid_users(struct net *net) +{ + return net->ipv4.fib_num_tclassid_users; +} +#else +static inline int fib_num_tclassid_users(struct net *net) +{ + return 0; +} +#endif /* Exported by fib_semantics.c */ extern int ip_fib_check_default(__be32 gw, struct net_device *dev); @@ -253,7 +304,7 @@ static inline void fib_combine_itag(u32 *itag, const struct fib_result *res) #endif *itag = FIB_RES_NH(*res).nh_tclassid<<16; #ifdef CONFIG_IP_MULTIPLE_TABLES - rtag = fib_rules_tclass(res); + rtag = res->tclassid; if (*itag == 0) *itag = (rtag<<16); *itag |= (rtag>>16); diff --git a/include/net/ipv6.h b/include/net/ipv6.h index aecf884..01c34b3 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -251,6 +251,8 @@ static inline void fl6_sock_release(struct ip6_flowlabel *fl) atomic_dec(&fl->users); } +extern void icmpv6_notify(struct sk_buff *skb, u8 type, u8 code, __be32 info); + extern int ip6_ra_control(struct sock *sk, int sel); extern int ipv6_parse_hopopts(struct sk_buff *skb); @@ -298,14 +300,23 @@ static inline int ipv6_addr_cmp(const struct in6_addr *a1, const struct in6_addr return memcmp(a1, a2, sizeof(struct in6_addr)); } -static inline int +static inline bool ipv6_masked_addr_cmp(const struct in6_addr *a1, const struct in6_addr *m, const struct in6_addr *a2) { +#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64 + const unsigned long *ul1 = (const unsigned long *)a1; + const unsigned long *ulm = (const unsigned long *)m; + const unsigned long *ul2 = (const unsigned long *)a2; + + return !!(((ul1[0] ^ ul2[0]) & ulm[0]) | + ((ul1[1] ^ ul2[1]) & ulm[1])); +#else return !!(((a1->s6_addr32[0] ^ a2->s6_addr32[0]) & m->s6_addr32[0]) | ((a1->s6_addr32[1] ^ a2->s6_addr32[1]) & m->s6_addr32[1]) | ((a1->s6_addr32[2] ^ a2->s6_addr32[2]) & m->s6_addr32[2]) | ((a1->s6_addr32[3] ^ a2->s6_addr32[3]) & m->s6_addr32[3])); +#endif } static inline void ipv6_addr_prefix(struct in6_addr *pfx, @@ -335,10 +346,17 @@ static inline void ipv6_addr_set(struct in6_addr *addr, static inline bool ipv6_addr_equal(const struct in6_addr *a1, const struct in6_addr *a2) { +#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64 + const unsigned long *ul1 = (const unsigned long *)a1; + const unsigned long *ul2 = (const unsigned long *)a2; + + return ((ul1[0] ^ ul2[0]) | (ul1[1] ^ ul2[1])) == 0UL; +#else return ((a1->s6_addr32[0] ^ a2->s6_addr32[0]) | (a1->s6_addr32[1] ^ a2->s6_addr32[1]) | (a1->s6_addr32[2] ^ a2->s6_addr32[2]) | (a1->s6_addr32[3] ^ a2->s6_addr32[3])) == 0; +#endif } static inline bool __ipv6_prefix_equal(const __be32 *a1, const __be32 *a2, @@ -391,8 +409,27 @@ bool ip6_frag_match(struct inet_frag_queue *q, void *a); static inline bool ipv6_addr_any(const struct in6_addr *a) { +#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64 + const unsigned long *ul = (const unsigned long *)a; + + return (ul[0] | ul[1]) == 0UL; +#else return (a->s6_addr32[0] | a->s6_addr32[1] | a->s6_addr32[2] | a->s6_addr32[3]) == 0; +#endif +} + +static inline u32 ipv6_addr_hash(const struct in6_addr *a) +{ +#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64 + const unsigned long *ul = (const unsigned long *)a; + unsigned long x = ul[0] ^ ul[1]; + + return (u32)(x ^ (x >> 32)); +#else + return (__force u32)(a->s6_addr32[0] ^ a->s6_addr32[1] ^ + a->s6_addr32[2] ^ a->s6_addr32[3]); +#endif } static inline bool ipv6_addr_loopback(const struct in6_addr *a) diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 95e39b6..bb86aa6 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -233,8 +233,10 @@ enum ieee80211_rssi_event { * valid in station mode only while @assoc is true and if also * requested by %IEEE80211_HW_NEED_DTIM_PERIOD (cf. also hw conf * @ps_dtim_period) - * @last_tsf: last beacon's/probe response's TSF timestamp (could be old + * @sync_tsf: last beacon's/probe response's TSF timestamp (could be old * as it may have been received during scanning long ago) + * @sync_device_ts: the device timestamp corresponding to the sync_tsf, + * the driver/device can use this to calculate synchronisation * @beacon_int: beacon interval * @assoc_capability: capabilities taken from assoc resp * @basic_rates: bitmap of basic rates, each bit stands for an @@ -281,7 +283,8 @@ struct ieee80211_bss_conf { u8 dtim_period; u16 beacon_int; u16 assoc_capability; - u64 last_tsf; + u64 sync_tsf; + u32 sync_device_ts; u32 basic_rates; int mcast_rate[IEEE80211_NUM_BANDS]; u16 ht_operation_mode; @@ -475,7 +478,7 @@ enum mac80211_rate_control_flags { #define IEEE80211_TX_INFO_RATE_DRIVER_DATA_SIZE 24 /* maximum number of rate stages */ -#define IEEE80211_TX_MAX_RATES 5 +#define IEEE80211_TX_MAX_RATES 4 /** * struct ieee80211_tx_rate - rate selection/status @@ -563,11 +566,11 @@ struct ieee80211_tx_info { } control; struct { struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES]; - u8 ampdu_ack_len; int ack_signal; + u8 ampdu_ack_len; u8 ampdu_len; u8 antenna; - /* 14 bytes free */ + /* 21 bytes free */ } status; struct { struct ieee80211_tx_rate driver_rates[ @@ -634,7 +637,7 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info) info->status.rates[i].count = 0; BUILD_BUG_ON( - offsetof(struct ieee80211_tx_info, status.ampdu_ack_len) != 23); + offsetof(struct ieee80211_tx_info, status.ack_signal) != 20); memset(&info->status.ampdu_ack_len, 0, sizeof(struct ieee80211_tx_info) - offsetof(struct ieee80211_tx_info, status.ampdu_ack_len)); @@ -696,6 +699,8 @@ enum mac80211_rx_flags { * * @mactime: value in microseconds of the 64-bit Time Synchronization Function * (TSF) timer when the first data symbol (MPDU) arrived at the hardware. + * @device_timestamp: arbitrary timestamp for the device, mac80211 doesn't use + * it but can store it and pass it back to the driver for synchronisation * @band: the active band when this frame was received * @freq: frequency the radio was tuned to when receiving this frame, in MHz * @signal: signal strength when receiving this frame, either in dBm, in dB or @@ -709,13 +714,14 @@ enum mac80211_rx_flags { */ struct ieee80211_rx_status { u64 mactime; - enum ieee80211_band band; - int freq; - int signal; - int antenna; - int rate_idx; - int flag; - unsigned int rx_flags; + u32 device_timestamp; + u16 flag; + u16 freq; + u8 rate_idx; + u8 rx_flags; + u8 band; + u8 antenna; + s8 signal; }; /** @@ -1297,6 +1303,10 @@ enum ieee80211_hw_flags { * reports, by default it is set to _MCS, _GI and _BW but doesn't * include _FMT. Use %IEEE80211_RADIOTAP_MCS_HAVE_* values, only * adding _BW is supported today. + * + * @netdev_features: netdev features to be set in each netdev created + * from this HW. Note only HW checksum features are currently + * compatible with mac80211. Other feature bits will be rejected. */ struct ieee80211_hw { struct ieee80211_conf conf; @@ -1319,6 +1329,7 @@ struct ieee80211_hw { u8 max_tx_aggregation_subframes; u8 offchannel_tx_hw_queue; u8 radiotap_mcs_details; + netdev_features_t netdev_features; }; /** @@ -1891,19 +1902,6 @@ enum ieee80211_rate_control_changed { * The low-level driver should send the frame out based on * configuration in the TX control data. This handler should, * preferably, never fail and stop queues appropriately. - * This must be implemented if @tx_frags is not. - * Must be atomic. - * - * @tx_frags: Called to transmit multiple fragments of a single MSDU. - * This handler must consume all fragments, sending out some of - * them only is useless and it can't ask for some of them to be - * queued again. If the frame is not fragmented the queue has a - * single SKB only. To avoid issues with the networking stack - * when TX status is reported the frames should be removed from - * the skb queue. - * If this is used, the tx_info @vif and @sta pointers will be - * invalid -- you must not use them in that case. - * This must be implemented if @tx isn't. * Must be atomic. * * @start: Called before the first netdevice attached to the hardware @@ -2183,7 +2181,10 @@ enum ieee80211_rate_control_changed { * offload. Frames to transmit on the off-channel channel are transmitted * normally except for the %IEEE80211_TX_CTL_TX_OFFCHAN flag. When the * duration (which will always be non-zero) expires, the driver must call - * ieee80211_remain_on_channel_expired(). This callback may sleep. + * ieee80211_remain_on_channel_expired(). + * Note that this callback may be called while the device is in IDLE and + * must be accepted in this case. + * This callback may sleep. * @cancel_remain_on_channel: Requests that an ongoing off-channel period is * aborted before it expires. This callback may sleep. * @@ -2246,11 +2247,24 @@ enum ieee80211_rate_control_changed { * @get_et_strings: Ethtool API to get a set of strings to describe stats * and perhaps other supported types of ethtool data-sets. * + * @get_rssi: Get current signal strength in dBm, the function is optional + * and can sleep. + * + * @mgd_prepare_tx: Prepare for transmitting a management frame for association + * before associated. In multi-channel scenarios, a virtual interface is + * bound to a channel before it is associated, but as it isn't associated + * yet it need not necessarily be given airtime, in particular since any + * transmission to a P2P GO needs to be synchronized against the GO's + * powersave state. mac80211 will call this function before transmitting a + * management frame prior to having successfully associated to allow the + * driver to give it channel time for the transmission, to get a response + * and to be able to synchronize with the GO. + * The callback will be called before each transmission and upon return + * mac80211 will transmit the frame right away. + * The callback is optional and can (should!) sleep. */ struct ieee80211_ops { void (*tx)(struct ieee80211_hw *hw, struct sk_buff *skb); - void (*tx_frags)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - struct ieee80211_sta *sta, struct sk_buff_head *skbs); int (*start)(struct ieee80211_hw *hw); void (*stop)(struct ieee80211_hw *hw); #ifdef CONFIG_PM @@ -2385,6 +2399,11 @@ struct ieee80211_ops { void (*get_et_strings)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u32 sset, u8 *data); + int (*get_rssi)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, s8 *rssi_dbm); + + void (*mgd_prepare_tx)(struct ieee80211_hw *hw, + struct ieee80211_vif *vif); }; /** @@ -3557,16 +3576,6 @@ void ieee80211_cqm_rssi_notify(struct ieee80211_vif *vif, gfp_t gfp); /** - * ieee80211_get_operstate - get the operstate of the vif - * - * @vif: &struct ieee80211_vif pointer from the add_interface callback. - * - * The driver might need to know the operstate of the net_device - * (specifically, whether the link is IF_OPER_UP after resume) - */ -unsigned char ieee80211_get_operstate(struct ieee80211_vif *vif); - -/** * ieee80211_chswitch_done - Complete channel switch process * @vif: &struct ieee80211_vif pointer from the add_interface callback. * @success: make the channel switch successful or not @@ -3589,22 +3598,6 @@ void ieee80211_request_smps(struct ieee80211_vif *vif, enum ieee80211_smps_mode smps_mode); /** - * ieee80211_key_removed - disable hw acceleration for key - * @key_conf: The key hw acceleration should be disabled for - * - * This allows drivers to indicate that the given key has been - * removed from hardware acceleration, due to a new key that - * was added. Don't use this if the key can continue to be used - * for TX, if the key restriction is on RX only it is permitted - * to keep the key for TX only and not call this function. - * - * Due to locking constraints, it may only be called during - * @set_key. This function must be allowed to sleep, and the - * key it tries to disable may still be used until it returns. - */ -void ieee80211_key_removed(struct ieee80211_key_conf *key_conf); - -/** * ieee80211_ready_on_channel - notification of remain-on-channel start * @hw: pointer as obtained from ieee80211_alloc_hw() */ @@ -3829,12 +3822,6 @@ void ieee80211_enable_rssi_reports(struct ieee80211_vif *vif, void ieee80211_disable_rssi_reports(struct ieee80211_vif *vif); -int ieee80211_add_srates_ie(struct ieee80211_vif *vif, - struct sk_buff *skb, bool need_basic); - -int ieee80211_add_ext_srates_ie(struct ieee80211_vif *vif, - struct sk_buff *skb, bool need_basic); - /** * ieee80211_ave_rssi - report the average rssi for the specified interface * diff --git a/include/net/mac802154.h b/include/net/mac802154.h index c9f8ab5..d0d11df 100644 --- a/include/net/mac802154.h +++ b/include/net/mac802154.h @@ -21,6 +21,14 @@ #include <net/af_ieee802154.h> +/* General MAC frame format: + * 2 bytes: Frame Control + * 1 byte: Sequence Number + * 20 bytes: Addressing fields + * 14 bytes: Auxiliary Security Header + */ +#define MAC802154_FRAME_HARD_HEADER_LEN (2 + 1 + 20 + 14) + /* The following flags are used to indicate changed address settings from * the stack to the hardware. */ diff --git a/include/net/ndisc.h b/include/net/ndisc.h index c02b6ad..96a3b5c 100644 --- a/include/net/ndisc.h +++ b/include/net/ndisc.h @@ -47,6 +47,8 @@ enum { #include <linux/icmpv6.h> #include <linux/in6.h> #include <linux/types.h> +#include <linux/if_arp.h> +#include <linux/netdevice.h> #include <net/neighbour.h> @@ -80,6 +82,54 @@ struct nd_opt_hdr { __u8 nd_opt_len; } __packed; +/* ND options */ +struct ndisc_options { + struct nd_opt_hdr *nd_opt_array[__ND_OPT_ARRAY_MAX]; +#ifdef CONFIG_IPV6_ROUTE_INFO + struct nd_opt_hdr *nd_opts_ri; + struct nd_opt_hdr *nd_opts_ri_end; +#endif + struct nd_opt_hdr *nd_useropts; + struct nd_opt_hdr *nd_useropts_end; +}; + +#define nd_opts_src_lladdr nd_opt_array[ND_OPT_SOURCE_LL_ADDR] +#define nd_opts_tgt_lladdr nd_opt_array[ND_OPT_TARGET_LL_ADDR] +#define nd_opts_pi nd_opt_array[ND_OPT_PREFIX_INFO] +#define nd_opts_pi_end nd_opt_array[__ND_OPT_PREFIX_INFO_END] +#define nd_opts_rh nd_opt_array[ND_OPT_REDIRECT_HDR] +#define nd_opts_mtu nd_opt_array[ND_OPT_MTU] + +#define NDISC_OPT_SPACE(len) (((len)+2+7)&~7) + +extern struct ndisc_options *ndisc_parse_options(u8 *opt, int opt_len, + struct ndisc_options *ndopts); + +/* + * Return the padding between the option length and the start of the + * link addr. Currently only IP-over-InfiniBand needs this, although + * if RFC 3831 IPv6-over-Fibre Channel is ever implemented it may + * also need a pad of 2. + */ +static int ndisc_addr_option_pad(unsigned short type) +{ + switch (type) { + case ARPHRD_INFINIBAND: return 2; + default: return 0; + } +} + +static inline u8 *ndisc_opt_addr_data(struct nd_opt_hdr *p, + struct net_device *dev) +{ + u8 *lladdr = (u8 *)(p + 1); + int lladdrlen = p->nd_opt_len << 3; + int prepad = ndisc_addr_option_pad(dev->type); + if (lladdrlen != NDISC_OPT_SPACE(dev->addr_len + prepad)) + return NULL; + return lladdr + prepad; +} + static inline u32 ndisc_hashfn(const void *pkey, const struct net_device *dev, __u32 *hash_rnd) { const u32 *p32 = pkey; diff --git a/include/net/neighbour.h b/include/net/neighbour.h index 6cdfeed..344d898 100644 --- a/include/net/neighbour.h +++ b/include/net/neighbour.h @@ -202,9 +202,16 @@ extern struct neighbour * neigh_lookup(struct neigh_table *tbl, extern struct neighbour * neigh_lookup_nodev(struct neigh_table *tbl, struct net *net, const void *pkey); -extern struct neighbour * neigh_create(struct neigh_table *tbl, +extern struct neighbour * __neigh_create(struct neigh_table *tbl, + const void *pkey, + struct net_device *dev, + bool want_ref); +static inline struct neighbour *neigh_create(struct neigh_table *tbl, const void *pkey, - struct net_device *dev); + struct net_device *dev) +{ + return __neigh_create(tbl, pkey, dev, true); +} extern void neigh_destroy(struct neighbour *neigh); extern int __neigh_event_send(struct neighbour *neigh, struct sk_buff *skb); extern int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new, @@ -302,12 +309,6 @@ static inline struct neighbour * neigh_clone(struct neighbour *neigh) #define neigh_hold(n) atomic_inc(&(n)->refcnt) -static inline void neigh_confirm(struct neighbour *neigh) -{ - if (neigh) - neigh->confirmed = jiffies; -} - static inline int neigh_event_send(struct neighbour *neigh, struct sk_buff *skb) { unsigned long now = jiffies; @@ -351,15 +352,6 @@ static inline int neigh_hh_output(struct hh_cache *hh, struct sk_buff *skb) return dev_queue_xmit(skb); } -static inline int neigh_output(struct neighbour *n, struct sk_buff *skb) -{ - struct hh_cache *hh = &n->hh; - if ((n->nud_state & NUD_CONNECTED) && hh->hh_len) - return neigh_hh_output(hh, skb); - else - return n->output(n, skb); -} - static inline struct neighbour * __neigh_lookup(struct neigh_table *tbl, const void *pkey, struct net_device *dev, int creat) { diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h index ac9195e..ae1cd6c 100644 --- a/include/net/net_namespace.h +++ b/include/net/net_namespace.h @@ -101,6 +101,7 @@ struct net { struct netns_xfrm xfrm; #endif struct netns_ipvs *ipvs; + struct sock *diag_nlsk; }; diff --git a/include/net/netevent.h b/include/net/netevent.h index 086f8a5..3ce4988 100644 --- a/include/net/netevent.h +++ b/include/net/netevent.h @@ -12,10 +12,14 @@ */ struct dst_entry; +struct neighbour; struct netevent_redirect { struct dst_entry *old; + struct neighbour *old_neigh; struct dst_entry *new; + struct neighbour *new_neigh; + const void *daddr; }; enum netevent_notif_type { diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h index cce7f6a..f1494fe 100644 --- a/include/net/netfilter/nf_conntrack.h +++ b/include/net/netfilter/nf_conntrack.h @@ -39,36 +39,6 @@ union nf_conntrack_expect_proto { /* insert expect proto private data here */ }; -/* Add protocol helper include file here */ -#include <linux/netfilter/nf_conntrack_ftp.h> -#include <linux/netfilter/nf_conntrack_pptp.h> -#include <linux/netfilter/nf_conntrack_h323.h> -#include <linux/netfilter/nf_conntrack_sane.h> -#include <linux/netfilter/nf_conntrack_sip.h> - -/* per conntrack: application helper private data */ -union nf_conntrack_help { - /* insert conntrack helper private data (master) here */ -#if defined(CONFIG_NF_CONNTRACK_FTP) || defined(CONFIG_NF_CONNTRACK_FTP_MODULE) - struct nf_ct_ftp_master ct_ftp_info; -#endif -#if defined(CONFIG_NF_CONNTRACK_PPTP) || \ - defined(CONFIG_NF_CONNTRACK_PPTP_MODULE) - struct nf_ct_pptp_master ct_pptp_info; -#endif -#if defined(CONFIG_NF_CONNTRACK_H323) || \ - defined(CONFIG_NF_CONNTRACK_H323_MODULE) - struct nf_ct_h323_master ct_h323_info; -#endif -#if defined(CONFIG_NF_CONNTRACK_SANE) || \ - defined(CONFIG_NF_CONNTRACK_SANE_MODULE) - struct nf_ct_sane_master ct_sane_info; -#endif -#if defined(CONFIG_NF_CONNTRACK_SIP) || defined(CONFIG_NF_CONNTRACK_SIP_MODULE) - struct nf_ct_sip_master ct_sip_info; -#endif -}; - #include <linux/types.h> #include <linux/skbuff.h> #include <linux/timer.h> @@ -89,12 +59,13 @@ struct nf_conn_help { /* Helper. if any */ struct nf_conntrack_helper __rcu *helper; - union nf_conntrack_help help; - struct hlist_head expectations; /* Current number of expected connections */ u8 expecting[NF_CT_MAX_EXPECT_CLASSES]; + + /* private helper information. */ + char data[]; }; #include <net/netfilter/ipv4/nf_conntrack_ipv4.h> diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h index aced085..d8f5b9f 100644 --- a/include/net/netfilter/nf_conntrack_core.h +++ b/include/net/netfilter/nf_conntrack_core.h @@ -28,8 +28,8 @@ extern unsigned int nf_conntrack_in(struct net *net, extern int nf_conntrack_init(struct net *net); extern void nf_conntrack_cleanup(struct net *net); -extern int nf_conntrack_proto_init(void); -extern void nf_conntrack_proto_fini(void); +extern int nf_conntrack_proto_init(struct net *net); +extern void nf_conntrack_proto_fini(struct net *net); extern bool nf_ct_get_tuple(const struct sk_buff *skb, diff --git a/include/net/netfilter/nf_conntrack_expect.h b/include/net/netfilter/nf_conntrack_expect.h index 4619caa..983f002 100644 --- a/include/net/netfilter/nf_conntrack_expect.h +++ b/include/net/netfilter/nf_conntrack_expect.h @@ -59,10 +59,12 @@ static inline struct net *nf_ct_exp_net(struct nf_conntrack_expect *exp) return nf_ct_net(exp->master); } +#define NF_CT_EXP_POLICY_NAME_LEN 16 + struct nf_conntrack_expect_policy { unsigned int max_expected; unsigned int timeout; - const char *name; + char name[NF_CT_EXP_POLICY_NAME_LEN]; }; #define NF_CT_EXPECT_CLASS_DEFAULT 0 diff --git a/include/net/netfilter/nf_conntrack_extend.h b/include/net/netfilter/nf_conntrack_extend.h index 96755c3..8b4d1fc2 100644 --- a/include/net/netfilter/nf_conntrack_extend.h +++ b/include/net/netfilter/nf_conntrack_extend.h @@ -80,10 +80,13 @@ static inline void nf_ct_ext_free(struct nf_conn *ct) } /* Add this type, returns pointer to data or NULL. */ -void * -__nf_ct_ext_add(struct nf_conn *ct, enum nf_ct_ext_id id, gfp_t gfp); +void *__nf_ct_ext_add_length(struct nf_conn *ct, enum nf_ct_ext_id id, + size_t var_alloc_len, gfp_t gfp); + #define nf_ct_ext_add(ct, id, gfp) \ - ((id##_TYPE *)__nf_ct_ext_add((ct), (id), (gfp))) + ((id##_TYPE *)__nf_ct_ext_add_length((ct), (id), 0, (gfp))) +#define nf_ct_ext_add_length(ct, id, len, gfp) \ + ((id##_TYPE *)__nf_ct_ext_add_length((ct), (id), (len), (gfp))) #define NF_CT_EXT_F_PREALLOC 0x0001 diff --git a/include/net/netfilter/nf_conntrack_helper.h b/include/net/netfilter/nf_conntrack_helper.h index 1d18894..9aad956 100644 --- a/include/net/netfilter/nf_conntrack_helper.h +++ b/include/net/netfilter/nf_conntrack_helper.h @@ -11,18 +11,27 @@ #define _NF_CONNTRACK_HELPER_H #include <net/netfilter/nf_conntrack.h> #include <net/netfilter/nf_conntrack_extend.h> +#include <net/netfilter/nf_conntrack_expect.h> struct module; +enum nf_ct_helper_flags { + NF_CT_HELPER_F_USERSPACE = (1 << 0), + NF_CT_HELPER_F_CONFIGURED = (1 << 1), +}; + #define NF_CT_HELPER_NAME_LEN 16 struct nf_conntrack_helper { struct hlist_node hnode; /* Internal use. */ - const char *name; /* name of the module */ + char name[NF_CT_HELPER_NAME_LEN]; /* name of the module */ struct module *me; /* pointer to self */ const struct nf_conntrack_expect_policy *expect_policy; + /* length of internal data, ie. sizeof(struct nf_ct_*_master) */ + size_t data_len; + /* Tuple of things we will help (compared against server response) */ struct nf_conntrack_tuple tuple; @@ -35,8 +44,12 @@ struct nf_conntrack_helper { void (*destroy)(struct nf_conn *ct); + int (*from_nlattr)(struct nlattr *attr, struct nf_conn *ct); int (*to_nlattr)(struct sk_buff *skb, const struct nf_conn *ct); unsigned int expect_class_max; + + unsigned int flags; + unsigned int queue_num; /* For user-space helpers. */ }; extern struct nf_conntrack_helper * @@ -48,7 +61,7 @@ nf_conntrack_helper_try_module_get(const char *name, u16 l3num, u8 protonum); extern int nf_conntrack_helper_register(struct nf_conntrack_helper *); extern void nf_conntrack_helper_unregister(struct nf_conntrack_helper *); -extern struct nf_conn_help *nf_ct_helper_ext_add(struct nf_conn *ct, gfp_t gfp); +extern struct nf_conn_help *nf_ct_helper_ext_add(struct nf_conn *ct, struct nf_conntrack_helper *helper, gfp_t gfp); extern int __nf_ct_try_assign_helper(struct nf_conn *ct, struct nf_conn *tmpl, gfp_t flags); @@ -60,6 +73,15 @@ static inline struct nf_conn_help *nfct_help(const struct nf_conn *ct) return nf_ct_ext_find(ct, NF_CT_EXT_HELPER); } +static inline void *nfct_help_data(const struct nf_conn *ct) +{ + struct nf_conn_help *help; + + help = nf_ct_ext_find(ct, NF_CT_EXT_HELPER); + + return (void *)help->data; +} + extern int nf_conntrack_helper_init(struct net *net); extern void nf_conntrack_helper_fini(struct net *net); @@ -82,4 +104,7 @@ nf_ct_helper_expectfn_find_by_name(const char *name); struct nf_ct_helper_expectfn * nf_ct_helper_expectfn_find_by_symbol(const void *symbol); +extern struct hlist_head *nf_ct_helper_hash; +extern unsigned int nf_ct_helper_hsize; + #endif /*_NF_CONNTRACK_HELPER_H*/ diff --git a/include/net/netfilter/nf_conntrack_l3proto.h b/include/net/netfilter/nf_conntrack_l3proto.h index 9699c02..6f7c13f 100644 --- a/include/net/netfilter/nf_conntrack_l3proto.h +++ b/include/net/netfilter/nf_conntrack_l3proto.h @@ -64,11 +64,12 @@ struct nf_conntrack_l3proto { size_t nla_size; #ifdef CONFIG_SYSCTL - struct ctl_table_header *ctl_table_header; const char *ctl_table_path; - struct ctl_table *ctl_table; #endif /* CONFIG_SYSCTL */ + /* Init l3proto pernet data */ + int (*init_net)(struct net *net); + /* Module (if any) which this is connected to. */ struct module *me; }; @@ -76,8 +77,10 @@ struct nf_conntrack_l3proto { extern struct nf_conntrack_l3proto __rcu *nf_ct_l3protos[AF_MAX]; /* Protocol registration. */ -extern int nf_conntrack_l3proto_register(struct nf_conntrack_l3proto *proto); -extern void nf_conntrack_l3proto_unregister(struct nf_conntrack_l3proto *proto); +extern int nf_conntrack_l3proto_register(struct net *net, + struct nf_conntrack_l3proto *proto); +extern void nf_conntrack_l3proto_unregister(struct net *net, + struct nf_conntrack_l3proto *proto); extern struct nf_conntrack_l3proto *nf_ct_l3proto_find_get(u_int16_t l3proto); extern void nf_ct_l3proto_put(struct nf_conntrack_l3proto *p); diff --git a/include/net/netfilter/nf_conntrack_l4proto.h b/include/net/netfilter/nf_conntrack_l4proto.h index 3b572bb..c3be4ae 100644 --- a/include/net/netfilter/nf_conntrack_l4proto.h +++ b/include/net/netfilter/nf_conntrack_l4proto.h @@ -12,6 +12,7 @@ #include <linux/netlink.h> #include <net/netlink.h> #include <net/netfilter/nf_conntrack.h> +#include <net/netns/generic.h> struct seq_file; @@ -86,23 +87,21 @@ struct nf_conntrack_l4proto { #if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT) struct { size_t obj_size; - int (*nlattr_to_obj)(struct nlattr *tb[], void *data); + int (*nlattr_to_obj)(struct nlattr *tb[], + struct net *net, void *data); int (*obj_to_nlattr)(struct sk_buff *skb, const void *data); unsigned int nlattr_max; const struct nla_policy *nla_policy; } ctnl_timeout; #endif + int *net_id; + /* Init l4proto pernet data */ + int (*init_net)(struct net *net, u_int16_t proto); + + /* Return the per-net protocol part. */ + struct nf_proto_net *(*get_net_proto)(struct net *net); -#ifdef CONFIG_SYSCTL - struct ctl_table_header **ctl_table_header; - struct ctl_table *ctl_table; - unsigned int *ctl_table_users; -#ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT - struct ctl_table_header *ctl_compat_table_header; - struct ctl_table *ctl_compat_table; -#endif -#endif /* Protocol name */ const char *name; @@ -123,8 +122,18 @@ nf_ct_l4proto_find_get(u_int16_t l3proto, u_int8_t l4proto); extern void nf_ct_l4proto_put(struct nf_conntrack_l4proto *p); /* Protocol registration. */ -extern int nf_conntrack_l4proto_register(struct nf_conntrack_l4proto *proto); -extern void nf_conntrack_l4proto_unregister(struct nf_conntrack_l4proto *proto); +extern int nf_conntrack_l4proto_register(struct net *net, + struct nf_conntrack_l4proto *proto); +extern void nf_conntrack_l4proto_unregister(struct net *net, + struct nf_conntrack_l4proto *proto); + +static inline void nf_ct_kfree_compat_sysctl_table(struct nf_proto_net *pn) +{ +#if defined(CONFIG_SYSCTL) && defined(CONFIG_NF_CONNTRACK_PROC_COMPAT) + kfree(pn->ctl_compat_table); + pn->ctl_compat_table = NULL; +#endif +} /* Generic netlink helpers */ extern int nf_ct_port_tuple_to_nlattr(struct sk_buff *skb, diff --git a/include/net/netfilter/nf_nat_helper.h b/include/net/netfilter/nf_nat_helper.h index 02bb6c2..7d8fb7b 100644 --- a/include/net/netfilter/nf_nat_helper.h +++ b/include/net/netfilter/nf_nat_helper.h @@ -54,4 +54,8 @@ extern void nf_nat_follow_master(struct nf_conn *ct, extern s16 nf_nat_get_offset(const struct nf_conn *ct, enum ip_conntrack_dir dir, u32 seq); + +extern void nf_nat_tcp_seq_adjust(struct sk_buff *skb, struct nf_conn *ct, + u32 dir, int off); + #endif diff --git a/include/net/netfilter/nfnetlink_queue.h b/include/net/netfilter/nfnetlink_queue.h new file mode 100644 index 0000000..86267a5 --- /dev/null +++ b/include/net/netfilter/nfnetlink_queue.h @@ -0,0 +1,43 @@ +#ifndef _NET_NFNL_QUEUE_H_ +#define _NET_NFNL_QUEUE_H_ + +#include <linux/netfilter/nf_conntrack_common.h> + +struct nf_conn; + +#ifdef CONFIG_NETFILTER_NETLINK_QUEUE_CT +struct nf_conn *nfqnl_ct_get(struct sk_buff *entskb, size_t *size, + enum ip_conntrack_info *ctinfo); +struct nf_conn *nfqnl_ct_parse(const struct sk_buff *skb, + const struct nlattr *attr, + enum ip_conntrack_info *ctinfo); +int nfqnl_ct_put(struct sk_buff *skb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo); +void nfqnl_ct_seq_adjust(struct sk_buff *skb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, int diff); +#else +inline struct nf_conn * +nfqnl_ct_get(struct sk_buff *entskb, size_t *size, enum ip_conntrack_info *ctinfo) +{ + return NULL; +} + +inline struct nf_conn *nfqnl_ct_parse(const struct sk_buff *skb, + const struct nlattr *attr, + enum ip_conntrack_info *ctinfo) +{ + return NULL; +} + +inline int +nfqnl_ct_put(struct sk_buff *skb, struct nf_conn *ct, enum ip_conntrack_info ctinfo) +{ + return 0; +} + +inline void nfqnl_ct_seq_adjust(struct sk_buff *skb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, int diff) +{ +} +#endif /* NF_CONNTRACK */ +#endif diff --git a/include/net/netns/conntrack.h b/include/net/netns/conntrack.h index a053a19..3aecdc7 100644 --- a/include/net/netns/conntrack.h +++ b/include/net/netns/conntrack.h @@ -4,10 +4,64 @@ #include <linux/list.h> #include <linux/list_nulls.h> #include <linux/atomic.h> +#include <linux/netfilter/nf_conntrack_tcp.h> struct ctl_table_header; struct nf_conntrack_ecache; +struct nf_proto_net { +#ifdef CONFIG_SYSCTL + struct ctl_table_header *ctl_table_header; + struct ctl_table *ctl_table; +#ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT + struct ctl_table_header *ctl_compat_header; + struct ctl_table *ctl_compat_table; +#endif +#endif + unsigned int users; +}; + +struct nf_generic_net { + struct nf_proto_net pn; + unsigned int timeout; +}; + +struct nf_tcp_net { + struct nf_proto_net pn; + unsigned int timeouts[TCP_CONNTRACK_TIMEOUT_MAX]; + unsigned int tcp_loose; + unsigned int tcp_be_liberal; + unsigned int tcp_max_retrans; +}; + +enum udp_conntrack { + UDP_CT_UNREPLIED, + UDP_CT_REPLIED, + UDP_CT_MAX +}; + +struct nf_udp_net { + struct nf_proto_net pn; + unsigned int timeouts[UDP_CT_MAX]; +}; + +struct nf_icmp_net { + struct nf_proto_net pn; + unsigned int timeout; +}; + +struct nf_ip_net { + struct nf_generic_net generic; + struct nf_tcp_net tcp; + struct nf_udp_net udp; + struct nf_icmp_net icmp; + struct nf_icmp_net icmpv6; +#if defined(CONFIG_SYSCTL) && defined(CONFIG_NF_CONNTRACK_PROC_COMPAT) + struct ctl_table_header *ctl_table_header; + struct ctl_table *ctl_table; +#endif +}; + struct netns_ct { atomic_t count; unsigned int expect_count; @@ -28,6 +82,7 @@ struct netns_ct { unsigned int sysctl_log_invalid; /* Log invalid packets */ int sysctl_auto_assign_helper; bool auto_assign_helper_warned; + struct nf_ip_net nf_ct_proto; #ifdef CONFIG_SYSCTL struct ctl_table_header *sysctl_header; struct ctl_table_header *acct_sysctl_header; diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h index bbd023a..0ffb8e3 100644 --- a/include/net/netns/ipv4.h +++ b/include/net/netns/ipv4.h @@ -7,10 +7,12 @@ #include <net/inet_frag.h> +struct tcpm_hash_bucket; struct ctl_table_header; struct ipv4_devconf; struct fib_rules_ops; struct hlist_head; +struct fib_table; struct sock; struct netns_ipv4 { @@ -24,13 +26,21 @@ struct netns_ipv4 { struct ipv4_devconf *devconf_dflt; #ifdef CONFIG_IP_MULTIPLE_TABLES struct fib_rules_ops *rules_ops; + bool fib_has_custom_rules; + struct fib_table *fib_local; + struct fib_table *fib_main; + struct fib_table *fib_default; +#endif +#ifdef CONFIG_IP_ROUTE_CLASSID + int fib_num_tclassid_users; #endif struct hlist_head *fib_table_hash; struct sock *fibnl; struct sock **icmp_sk; - struct sock *tcp_sock; - + struct inet_peer_base *peers; + struct tcpm_hash_bucket *tcp_metrics_hash; + unsigned int tcp_metrics_hash_log; struct netns_frags frags; #ifdef CONFIG_NETFILTER struct xt_table *iptable_filter; diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h index b42be53..df0a545 100644 --- a/include/net/netns/ipv6.h +++ b/include/net/netns/ipv6.h @@ -33,6 +33,7 @@ struct netns_ipv6 { struct netns_sysctl_ipv6 sysctl; struct ipv6_devconf *devconf_all; struct ipv6_devconf *devconf_dflt; + struct inet_peer_base *peers; struct netns_frags frags; #ifdef CONFIG_NETFILTER struct xt_table *ip6table_filter; diff --git a/include/net/netprio_cgroup.h b/include/net/netprio_cgroup.h index d58fdec..2719dec 100644 --- a/include/net/netprio_cgroup.h +++ b/include/net/netprio_cgroup.h @@ -35,7 +35,7 @@ struct cgroup_netprio_state { extern int net_prio_subsys_id; #endif -extern void sock_update_netprioidx(struct sock *sk); +extern void sock_update_netprioidx(struct sock *sk, struct task_struct *task); #if IS_BUILTIN(CONFIG_NETPRIO_CGROUP) @@ -82,7 +82,7 @@ static inline u32 task_netprioidx(struct task_struct *p) #endif /* CONFIG_NETPRIO_CGROUP */ #else -#define sock_update_netprioidx(sk) +#define sock_update_netprioidx(sk, task) #endif #endif /* _NET_CLS_CGROUP_H */ diff --git a/include/net/nfc/hci.h b/include/net/nfc/hci.h index 4467c94..f5169b0 100644 --- a/include/net/nfc/hci.h +++ b/include/net/nfc/hci.h @@ -31,7 +31,8 @@ struct nfc_hci_ops { void (*close) (struct nfc_hci_dev *hdev); int (*hci_ready) (struct nfc_hci_dev *hdev); int (*xmit) (struct nfc_hci_dev *hdev, struct sk_buff *skb); - int (*start_poll) (struct nfc_hci_dev *hdev, u32 protocols); + int (*start_poll) (struct nfc_hci_dev *hdev, + u32 im_protocols, u32 tm_protocols); int (*target_from_gate) (struct nfc_hci_dev *hdev, u8 gate, struct nfc_target *target); int (*complete_target_discovered) (struct nfc_hci_dev *hdev, u8 gate, @@ -43,10 +44,20 @@ struct nfc_hci_ops { struct nfc_target *target); }; -#define NFC_HCI_MAX_CUSTOM_GATES 15 +/* Pipes */ +#define NFC_HCI_INVALID_PIPE 0x80 +#define NFC_HCI_LINK_MGMT_PIPE 0x00 +#define NFC_HCI_ADMIN_PIPE 0x01 + +struct nfc_hci_gate { + u8 gate; + u8 pipe; +}; + +#define NFC_HCI_MAX_CUSTOM_GATES 50 struct nfc_hci_init_data { u8 gate_count; - u8 gates[NFC_HCI_MAX_CUSTOM_GATES]; + struct nfc_hci_gate gates[NFC_HCI_MAX_CUSTOM_GATES]; char session_id[9]; }; @@ -111,6 +122,8 @@ void nfc_hci_unregister_device(struct nfc_hci_dev *hdev); void nfc_hci_set_clientdata(struct nfc_hci_dev *hdev, void *clientdata); void *nfc_hci_get_clientdata(struct nfc_hci_dev *hdev); +void nfc_hci_driver_failure(struct nfc_hci_dev *hdev, int err); + /* Host IDs */ #define NFC_HCI_HOST_CONTROLLER_ID 0x00 #define NFC_HCI_TERMINAL_HOST_ID 0x01 @@ -179,7 +192,8 @@ void nfc_hci_event_received(struct nfc_hci_dev *hdev, u8 pipe, u8 event, void nfc_hci_recv_frame(struct nfc_hci_dev *hdev, struct sk_buff *skb); /* connecting to gates and sending hci instructions */ -int nfc_hci_connect_gate(struct nfc_hci_dev *hdev, u8 dest_host, u8 dest_gate); +int nfc_hci_connect_gate(struct nfc_hci_dev *hdev, u8 dest_host, u8 dest_gate, + u8 pipe); int nfc_hci_disconnect_gate(struct nfc_hci_dev *hdev, u8 gate); int nfc_hci_disconnect_all_gates(struct nfc_hci_dev *hdev); int nfc_hci_get_param(struct nfc_hci_dev *hdev, u8 gate, u8 idx, diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h index b7ca4a2..6431f5e 100644 --- a/include/net/nfc/nfc.h +++ b/include/net/nfc/nfc.h @@ -53,7 +53,8 @@ struct nfc_target; struct nfc_ops { int (*dev_up)(struct nfc_dev *dev); int (*dev_down)(struct nfc_dev *dev); - int (*start_poll)(struct nfc_dev *dev, u32 protocols); + int (*start_poll)(struct nfc_dev *dev, + u32 im_protocols, u32 tm_protocols); void (*stop_poll)(struct nfc_dev *dev); int (*dep_link_up)(struct nfc_dev *dev, struct nfc_target *target, u8 comm_mode, u8 *gb, size_t gb_len); @@ -62,9 +63,10 @@ struct nfc_ops { u32 protocol); void (*deactivate_target)(struct nfc_dev *dev, struct nfc_target *target); - int (*data_exchange)(struct nfc_dev *dev, struct nfc_target *target, + int (*im_transceive)(struct nfc_dev *dev, struct nfc_target *target, struct sk_buff *skb, data_exchange_cb_t cb, void *cb_context); + int (*tm_send)(struct nfc_dev *dev, struct sk_buff *skb); int (*check_presence)(struct nfc_dev *dev, struct nfc_target *target); }; @@ -99,10 +101,10 @@ struct nfc_dev { int targets_generation; struct device dev; bool dev_up; + u8 rf_mode; bool polling; struct nfc_target *active_target; bool dep_link_up; - u32 dep_rf_mode; struct nfc_genl_data genl_data; u32 supported_protocols; @@ -188,6 +190,7 @@ struct sk_buff *nfc_alloc_recv_skb(unsigned int size, gfp_t gfp); int nfc_set_remote_general_bytes(struct nfc_dev *dev, u8 *gt, u8 gt_len); +u8 *nfc_get_local_general_bytes(struct nfc_dev *dev, size_t *gb_len); int nfc_targets_found(struct nfc_dev *dev, struct nfc_target *targets, int ntargets); @@ -196,4 +199,11 @@ int nfc_target_lost(struct nfc_dev *dev, u32 target_idx); int nfc_dep_link_is_up(struct nfc_dev *dev, u32 target_idx, u8 comm_mode, u8 rf_mode); +int nfc_tm_activated(struct nfc_dev *dev, u32 protocol, u8 comm_mode, + u8 *gb, size_t gb_len); +int nfc_tm_deactivated(struct nfc_dev *dev); +int nfc_tm_data_received(struct nfc_dev *dev, struct sk_buff *skb); + +void nfc_driver_failure(struct nfc_dev *dev, int err); + #endif /* __NET_NFC_H */ diff --git a/include/net/nfc/shdlc.h b/include/net/nfc/shdlc.h index ab06afd..35e930d 100644 --- a/include/net/nfc/shdlc.h +++ b/include/net/nfc/shdlc.h @@ -27,7 +27,8 @@ struct nfc_shdlc_ops { void (*close) (struct nfc_shdlc *shdlc); int (*hci_ready) (struct nfc_shdlc *shdlc); int (*xmit) (struct nfc_shdlc *shdlc, struct sk_buff *skb); - int (*start_poll) (struct nfc_shdlc *shdlc, u32 protocols); + int (*start_poll) (struct nfc_shdlc *shdlc, + u32 im_protocols, u32 tm_protocols); int (*target_from_gate) (struct nfc_shdlc *shdlc, u8 gate, struct nfc_target *target); int (*complete_target_discovered) (struct nfc_shdlc *shdlc, u8 gate, diff --git a/include/net/protocol.h b/include/net/protocol.h index 875f489..057f2d3 100644 --- a/include/net/protocol.h +++ b/include/net/protocol.h @@ -29,11 +29,15 @@ #include <linux/ipv6.h> #endif -#define MAX_INET_PROTOS 256 /* Must be a power of 2 */ - +/* This is one larger than the largest protocol value that can be + * found in an ipv4 or ipv6 header. Since in both cases the protocol + * value is presented in a __u8, this is defined to be 256. + */ +#define MAX_INET_PROTOS 256 /* This is used to register protocols. */ struct net_protocol { + void (*early_demux)(struct sk_buff *skb); int (*handler)(struct sk_buff *skb); void (*err_handler)(struct sk_buff *skb, u32 info); int (*gso_send_check)(struct sk_buff *skb); diff --git a/include/net/regulatory.h b/include/net/regulatory.h index a5f7993..7dcaa27 100644 --- a/include/net/regulatory.h +++ b/include/net/regulatory.h @@ -52,6 +52,10 @@ enum environment_cap { * DFS master operation on a known DFS region (NL80211_DFS_*), * dfs_region represents that region. Drivers can use this and the * @alpha2 to adjust their device's DFS parameters as required. + * @user_reg_hint_type: if the @initiator was of type + * %NL80211_REGDOM_SET_BY_USER, this classifies the type + * of hint passed. This could be any of the %NL80211_USER_REG_HINT_* + * types. * @intersect: indicates whether the wireless core should intersect * the requested regulatory domain with the presently set regulatory * domain. @@ -70,6 +74,7 @@ enum environment_cap { struct regulatory_request { int wiphy_idx; enum nl80211_reg_initiator initiator; + enum nl80211_user_reg_hint_type user_reg_hint_type; char alpha2[2]; u8 dfs_region; bool intersect; diff --git a/include/net/route.h b/include/net/route.h index 9870546..c29ef27 100644 --- a/include/net/route.h +++ b/include/net/route.h @@ -40,45 +40,39 @@ #define RT_CONN_FLAGS(sk) (RT_TOS(inet_sk(sk)->tos) | sock_flag(sk, SOCK_LOCALROUTE)) struct fib_nh; -struct inet_peer; struct fib_info; struct rtable { struct dst_entry dst; - /* Lookup key. */ - __be32 rt_key_dst; - __be32 rt_key_src; - int rt_genid; unsigned int rt_flags; __u16 rt_type; - __u8 rt_key_tos; + __u16 rt_is_input; - __be32 rt_dst; /* Path destination */ - __be32 rt_src; /* Path source */ - int rt_route_iif; int rt_iif; - int rt_oif; - __u32 rt_mark; /* Info on neighbour */ __be32 rt_gateway; /* Miscellaneous cached information */ - __be32 rt_spec_dst; /* RFC1122 specific destination */ - u32 rt_peer_genid; - struct inet_peer *peer; /* long-living peer info */ - struct fib_info *fi; /* for client ref to shared metrics */ + u32 rt_pmtu; }; static inline bool rt_is_input_route(const struct rtable *rt) { - return rt->rt_route_iif != 0; + return rt->rt_is_input != 0; } static inline bool rt_is_output_route(const struct rtable *rt) { - return rt->rt_route_iif == 0; + return rt->rt_is_input == 0; +} + +static inline __be32 rt_nexthop(const struct rtable *rt, __be32 daddr) +{ + if (rt->rt_gateway) + return rt->rt_gateway; + return daddr; } struct ip_rt_acct { @@ -111,10 +105,7 @@ extern struct ip_rt_acct __percpu *ip_rt_acct; struct in_device; extern int ip_rt_init(void); -extern void ip_rt_redirect(__be32 old_gw, __be32 dst, __be32 new_gw, - __be32 src, struct net_device *dev); extern void rt_cache_flush(struct net *net, int how); -extern void rt_cache_flush_batch(struct net *net); extern struct rtable *__ip_route_output_key(struct net *, struct flowi4 *flp); extern struct rtable *ip_route_output_flow(struct net *, struct flowi4 *flp, struct sock *sk); @@ -166,24 +157,16 @@ static inline struct rtable *ip_route_output_gre(struct net *net, struct flowi4 return ip_route_output_key(net, fl4); } -extern int ip_route_input_common(struct sk_buff *skb, __be32 dst, __be32 src, - u8 tos, struct net_device *devin, bool noref); - -static inline int ip_route_input(struct sk_buff *skb, __be32 dst, __be32 src, - u8 tos, struct net_device *devin) -{ - return ip_route_input_common(skb, dst, src, tos, devin, false); -} - -static inline int ip_route_input_noref(struct sk_buff *skb, __be32 dst, __be32 src, - u8 tos, struct net_device *devin) -{ - return ip_route_input_common(skb, dst, src, tos, devin, true); -} +extern int ip_route_input(struct sk_buff *skb, __be32 dst, __be32 src, + u8 tos, struct net_device *devin); -extern unsigned short ip_rt_frag_needed(struct net *net, const struct iphdr *iph, - unsigned short new_mtu, struct net_device *dev); -extern void ip_rt_send_redirect(struct sk_buff *skb); +extern void ipv4_update_pmtu(struct sk_buff *skb, struct net *net, u32 mtu, + int oif, u32 mark, u8 protocol, int flow_flags); +extern void ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu); +extern void ipv4_redirect(struct sk_buff *skb, struct net *net, + int oif, u32 mark, u8 protocol, int flow_flags); +extern void ipv4_sk_redirect(struct sk_buff *skb, struct sock *sk); +extern void ip_rt_send_redirect(struct sk_buff *skb); extern unsigned int inet_addr_type(struct net *net, __be32 addr); extern unsigned int inet_dev_addr_type(struct net *net, const struct net_device *dev, __be32 addr); @@ -244,8 +227,6 @@ static inline void ip_route_connect_init(struct flowi4 *fl4, __be32 dst, __be32 if (inet_sk(sk)->transparent) flow_flags |= FLOWI_FLAG_ANYSRC; - if (protocol == IPPROTO_TCP) - flow_flags |= FLOWI_FLAG_PRECOW_METRICS; if (can_sleep) flow_flags |= FLOWI_FLAG_CAN_SLEEP; @@ -294,20 +275,13 @@ static inline struct rtable *ip_route_newports(struct flowi4 *fl4, struct rtable return rt; } -extern void rt_bind_peer(struct rtable *rt, __be32 daddr, int create); - -static inline struct inet_peer *rt_get_peer(struct rtable *rt, __be32 daddr) -{ - if (rt->peer) - return rt->peer; - - rt_bind_peer(rt, daddr, 0); - return rt->peer; -} - static inline int inet_iif(const struct sk_buff *skb) { - return skb_rtable(skb)->rt_iif; + int iif = skb_rtable(skb)->rt_iif; + + if (iif) + return iif; + return skb->skb_iif; } extern int sysctl_ip_default_ttl; diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h index bbcfd09..6b00c4f 100644 --- a/include/net/rtnetlink.h +++ b/include/net/rtnetlink.h @@ -44,8 +44,10 @@ static inline int rtnl_msg_family(const struct nlmsghdr *nlh) * @get_xstats_size: Function to calculate required room for dumping device * specific statistics * @fill_xstats: Function to dump device specific statistics - * @get_tx_queues: Function to determine number of transmit queues to create when - * creating a new device. + * @get_num_tx_queues: Function to determine number of transmit queues + * to create when creating a new device. + * @get_num_rx_queues: Function to determine number of receive queues + * to create when creating a new device. */ struct rtnl_link_ops { struct list_head list; @@ -77,8 +79,8 @@ struct rtnl_link_ops { size_t (*get_xstats_size)(const struct net_device *dev); int (*fill_xstats)(struct sk_buff *skb, const struct net_device *dev); - int (*get_tx_queues)(struct net *net, - struct nlattr *tb[]); + unsigned int (*get_num_tx_queues)(void); + unsigned int (*get_num_rx_queues)(void); }; extern int __rtnl_link_register(struct rtnl_link_ops *ops); diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index 9d7d54a..d9611e0 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -220,7 +220,7 @@ struct tcf_proto { struct qdisc_skb_cb { unsigned int pkt_len; - u16 bond_queue_mapping; + u16 slave_dev_queue_mapping; u16 _pad; unsigned char data[20]; }; diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h index 942b864..d053d2e 100644 --- a/include/net/sctp/constants.h +++ b/include/net/sctp/constants.h @@ -334,6 +334,7 @@ typedef enum { typedef enum { SCTP_TRANSPORT_UP, SCTP_TRANSPORT_DOWN, + SCTP_TRANSPORT_PF, } sctp_transport_cmd_t; /* These are the address scopes defined mainly for IPv4 addresses diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index a2ef814..ff49964 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -162,6 +162,8 @@ struct sock *sctp_err_lookup(int family, struct sk_buff *, void sctp_err_finish(struct sock *, struct sctp_association *); void sctp_icmp_frag_needed(struct sock *, struct sctp_association *, struct sctp_transport *t, __u32 pmtu); +void sctp_icmp_redirect(struct sock *, struct sctp_transport *, + struct sk_buff *); void sctp_icmp_proto_unreachable(struct sock *sk, struct sctp_association *asoc, struct sctp_transport *t); @@ -517,10 +519,10 @@ static inline int sctp_frag_point(const struct sctp_association *asoc, int pmtu) return frag; } -static inline void sctp_assoc_pending_pmtu(struct sctp_association *asoc) +static inline void sctp_assoc_pending_pmtu(struct sock *sk, struct sctp_association *asoc) { - sctp_assoc_sync_pmtu(asoc); + sctp_assoc_sync_pmtu(sk, asoc); asoc->pmtu_pending = 0; } diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index fecdf31..fc5e600 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -161,6 +161,12 @@ extern struct sctp_globals { int max_retrans_path; int max_retrans_init; + /* Potentially-Failed.Max.Retrans sysctl value + * taken from: + * http://tools.ietf.org/html/draft-nishida-tsvwg-sctp-failover-05 + */ + int pf_retrans; + /* * Policy for preforming sctp/socket accounting * 0 - do socket level accounting, all assocs share sk_sndbuf @@ -258,6 +264,7 @@ extern struct sctp_globals { #define sctp_sndbuf_policy (sctp_globals.sndbuf_policy) #define sctp_rcvbuf_policy (sctp_globals.rcvbuf_policy) #define sctp_max_retrans_path (sctp_globals.max_retrans_path) +#define sctp_pf_retrans (sctp_globals.pf_retrans) #define sctp_max_retrans_init (sctp_globals.max_retrans_init) #define sctp_sack_timeout (sctp_globals.sack_timeout) #define sctp_hb_interval (sctp_globals.hb_interval) @@ -990,10 +997,15 @@ struct sctp_transport { /* This is the max_retrans value for the transport and will * be initialized from the assocs value. This can be changed - * using SCTP_SET_PEER_ADDR_PARAMS socket option. + * using the SCTP_SET_PEER_ADDR_PARAMS socket option. */ __u16 pathmaxrxt; + /* This is the partially failed retrans value for the transport + * and will be initialized from the assocs value. This can be changed + * using the SCTP_PEER_ADDR_THLDS socket option + */ + int pf_retrans; /* PMTU : The current known path MTU. */ __u32 pathmtu; @@ -1091,7 +1103,7 @@ void sctp_transport_burst_limited(struct sctp_transport *); void sctp_transport_burst_reset(struct sctp_transport *); unsigned long sctp_transport_timeout(struct sctp_transport *); void sctp_transport_reset(struct sctp_transport *); -void sctp_transport_update_pmtu(struct sctp_transport *, u32); +void sctp_transport_update_pmtu(struct sock *, struct sctp_transport *, u32); void sctp_transport_immediate_rtx(struct sctp_transport *); @@ -1664,6 +1676,12 @@ struct sctp_association { */ int max_retrans; + /* This is the partially failed retrans value for the transport + * and will be initialized from the assocs value. This can be + * changed using the SCTP_PEER_ADDR_THLDS socket option + */ + int pf_retrans; + /* Maximum number of times the endpoint will retransmit INIT */ __u16 max_init_attempts; @@ -2003,7 +2021,7 @@ void sctp_assoc_update(struct sctp_association *old, __u32 sctp_association_get_next_tsn(struct sctp_association *); -void sctp_assoc_sync_pmtu(struct sctp_association *); +void sctp_assoc_sync_pmtu(struct sock *, struct sctp_association *); void sctp_assoc_rwnd_increase(struct sctp_association *, unsigned int); void sctp_assoc_rwnd_decrease(struct sctp_association *, unsigned int); void sctp_assoc_set_primary(struct sctp_association *, diff --git a/include/net/sctp/user.h b/include/net/sctp/user.h index 0842ef0..1b02d7a 100644 --- a/include/net/sctp/user.h +++ b/include/net/sctp/user.h @@ -93,6 +93,7 @@ typedef __s32 sctp_assoc_t; #define SCTP_GET_ASSOC_NUMBER 28 /* Read only */ #define SCTP_GET_ASSOC_ID_LIST 29 /* Read only */ #define SCTP_AUTO_ASCONF 30 +#define SCTP_PEER_ADDR_THLDS 31 /* Internal Socket Options. Some of the sctp library functions are * implemented using these socket options. @@ -649,6 +650,7 @@ struct sctp_paddrinfo { */ enum sctp_spinfo_state { SCTP_INACTIVE, + SCTP_PF, SCTP_ACTIVE, SCTP_UNCONFIRMED, SCTP_UNKNOWN = 0xffff /* Value used for transport state unknown */ @@ -741,4 +743,13 @@ typedef struct { int sd; } sctp_peeloff_arg_t; +/* + * Peer Address Thresholds socket option + */ +struct sctp_paddrthlds { + sctp_assoc_t spt_assoc_id; + struct sockaddr_storage spt_address; + __u16 spt_pathmaxrxt; + __u16 spt_pathpfthld; +}; #endif /* __net_sctp_user_h__ */ diff --git a/include/net/sock.h b/include/net/sock.h index 4a45216..e067f8c 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -198,6 +198,7 @@ struct cg_proto; * @sk_lock: synchronizer * @sk_rcvbuf: size of receive buffer in bytes * @sk_wq: sock wait queue and async head + * @sk_rx_dst: receive input route used by early tcp demux * @sk_dst_cache: destination cache * @sk_dst_lock: destination cache lock * @sk_policy: flow policy @@ -317,6 +318,7 @@ struct sock { struct xfrm_policy *sk_policy[2]; #endif unsigned long sk_flags; + struct dst_entry *sk_rx_dst; struct dst_entry *sk_dst_cache; spinlock_t sk_dst_lock; atomic_t sk_wmem_alloc; @@ -856,6 +858,9 @@ struct proto { int (*backlog_rcv) (struct sock *sk, struct sk_buff *skb); + void (*release_cb)(struct sock *sk); + void (*mtu_reduced)(struct sock *sk); + /* Keeping track of sk's, looking them up, and port selection methods. */ void (*hash)(struct sock *sk); void (*unhash)(struct sock *sk); @@ -1426,6 +1431,7 @@ extern struct sk_buff *sock_rmalloc(struct sock *sk, gfp_t priority); extern void sock_wfree(struct sk_buff *skb); extern void sock_rfree(struct sk_buff *skb); +extern void sock_edemux(struct sk_buff *skb); extern int sock_setsockopt(struct socket *sock, int level, int op, char __user *optval, @@ -2152,7 +2158,7 @@ static inline void sk_change_net(struct sock *sk, struct net *net) static inline struct sock *skb_steal_sock(struct sk_buff *skb) { - if (unlikely(skb->sk)) { + if (skb->sk) { struct sock *sk = skb->sk; skb->destructor = NULL; diff --git a/include/net/tcp.h b/include/net/tcp.h index e79aa48..e19124b 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -170,6 +170,11 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo); #define TCPOPT_TIMESTAMP 8 /* Better RTT estimations/PAWS */ #define TCPOPT_MD5SIG 19 /* MD5 Signature (RFC2385) */ #define TCPOPT_COOKIE 253 /* Cookie extension (experimental) */ +#define TCPOPT_EXP 254 /* Experimental */ +/* Magic number to be after the option value for sharing TCP + * experimental options. See draft-ietf-tcpm-experimental-options-00.txt + */ +#define TCPOPT_FASTOPEN_MAGIC 0xF989 /* * TCP option lengths @@ -180,6 +185,7 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo); #define TCPOLEN_SACK_PERM 2 #define TCPOLEN_TIMESTAMP 10 #define TCPOLEN_MD5SIG 18 +#define TCPOLEN_EXP_FASTOPEN_BASE 4 #define TCPOLEN_COOKIE_BASE 2 /* Cookie-less header extension */ #define TCPOLEN_COOKIE_PAIR 3 /* Cookie pair header extension */ #define TCPOLEN_COOKIE_MIN (TCPOLEN_COOKIE_BASE+TCP_COOKIE_MIN) @@ -206,6 +212,10 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo); /* TCP initial congestion window as per draft-hkchu-tcpm-initcwnd-01 */ #define TCP_INIT_CWND 10 +/* Bit Flags for sysctl_tcp_fastopen */ +#define TFO_CLIENT_ENABLE 1 +#define TFO_CLIENT_NO_COOKIE 4 /* Data in SYN w/o cookie option */ + extern struct inet_timewait_death_row tcp_death_row; /* sysctl variables for tcp */ @@ -222,6 +232,7 @@ extern int sysctl_tcp_retries1; extern int sysctl_tcp_retries2; extern int sysctl_tcp_orphan_retries; extern int sysctl_tcp_syncookies; +extern int sysctl_tcp_fastopen; extern int sysctl_tcp_retrans_collapse; extern int sysctl_tcp_stdurg; extern int sysctl_tcp_rfc1337; @@ -253,6 +264,8 @@ extern int sysctl_tcp_cookie_size; extern int sysctl_tcp_thin_linear_timeouts; extern int sysctl_tcp_thin_dupack; extern int sysctl_tcp_early_retrans; +extern int sysctl_tcp_limit_output_bytes; +extern int sysctl_tcp_challenge_ack_limit; extern atomic_long_t tcp_memory_allocated; extern struct percpu_counter tcp_sockets_allocated; @@ -321,19 +334,24 @@ extern struct proto tcp_prot; extern void tcp_init_mem(struct net *net); +extern void tcp_tasklet_init(void); + extern void tcp_v4_err(struct sk_buff *skb, u32); extern void tcp_shutdown (struct sock *sk, int how); +extern void tcp_v4_early_demux(struct sk_buff *skb); extern int tcp_v4_rcv(struct sk_buff *skb); -extern struct inet_peer *tcp_v4_get_peer(struct sock *sk, bool *release_it); -extern void *tcp_v4_tw_get_peer(struct sock *sk); +extern struct inet_peer *tcp_v4_get_peer(struct sock *sk); extern int tcp_v4_tw_remember_stamp(struct inet_timewait_sock *tw); extern int tcp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, size_t size); extern int tcp_sendpage(struct sock *sk, struct page *page, int offset, size_t size, int flags); +extern void tcp_release_cb(struct sock *sk); +extern void tcp_write_timer_handler(struct sock *sk); +extern void tcp_delack_timer_handler(struct sock *sk); extern int tcp_ioctl(struct sock *sk, int cmd, unsigned long arg); extern int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb, const struct tcphdr *th, unsigned int len); @@ -388,6 +406,19 @@ extern void tcp_enter_frto(struct sock *sk); extern void tcp_enter_loss(struct sock *sk, int how); extern void tcp_clear_retrans(struct tcp_sock *tp); extern void tcp_update_metrics(struct sock *sk); +extern void tcp_init_metrics(struct sock *sk); +extern void tcp_metrics_init(void); +extern bool tcp_peer_is_proven(struct request_sock *req, struct dst_entry *dst, bool paws_check); +extern bool tcp_remember_stamp(struct sock *sk); +extern bool tcp_tw_remember_stamp(struct inet_timewait_sock *tw); +extern void tcp_fastopen_cache_get(struct sock *sk, u16 *mss, + struct tcp_fastopen_cookie *cookie, + int *syn_loss, unsigned long *last_syn_loss); +extern void tcp_fastopen_cache_set(struct sock *sk, u16 mss, + struct tcp_fastopen_cookie *cookie, + bool syn_lost); +extern void tcp_fetch_timewait_stamp(struct sock *sk, struct dst_entry *dst); +extern void tcp_disable_fack(struct tcp_sock *tp); extern void tcp_close(struct sock *sk, long timeout); extern void tcp_init_sock(struct sock *sk); extern unsigned int tcp_poll(struct file * file, struct socket *sock, @@ -406,7 +437,7 @@ extern int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, size_t len, int nonblock, int flags, int *addr_len); extern void tcp_parse_options(const struct sk_buff *skb, struct tcp_options_received *opt_rx, const u8 **hvpp, - int estab); + int estab, struct tcp_fastopen_cookie *foc); extern const u8 *tcp_parse_md5sig_option(const struct tcphdr *th); /* @@ -556,6 +587,8 @@ static inline u32 __tcp_set_rto(const struct tcp_sock *tp) return (tp->srtt >> 3) + tp->rttvar; } +extern void tcp_set_rto(struct sock *sk); + static inline void __tcp_fast_path_on(struct tcp_sock *tp, u32 snd_wnd) { tp->pred_flags = htonl((tp->tcp_header_len << 26) | @@ -1264,6 +1297,15 @@ extern int tcp_md5_hash_skb_data(struct tcp_md5sig_pool *, const struct sk_buff extern int tcp_md5_hash_key(struct tcp_md5sig_pool *hp, const struct tcp_md5sig_key *key); +struct tcp_fastopen_request { + /* Fast Open cookie. Size 0 means a cookie request */ + struct tcp_fastopen_cookie cookie; + struct msghdr *data; /* data in MSG_FASTOPEN */ + u16 copied; /* queued in tcp_connect() */ +}; + +void tcp_free_fastopen_req(struct tcp_sock *tp); + /* write queue abstraction */ static inline void tcp_write_queue_purge(struct sock *sk) { diff --git a/include/net/timewait_sock.h b/include/net/timewait_sock.h index 8d6689c..68f0eca 100644 --- a/include/net/timewait_sock.h +++ b/include/net/timewait_sock.h @@ -22,7 +22,6 @@ struct timewait_sock_ops { int (*twsk_unique)(struct sock *sk, struct sock *sktw, void *twp); void (*twsk_destructor)(struct sock *sk); - void *(*twsk_getpeer)(struct sock *sk); }; static inline int twsk_unique(struct sock *sk, struct sock *sktw, void *twp) @@ -41,11 +40,4 @@ static inline void twsk_destructor(struct sock *sk) sk->sk_prot->twsk_prot->twsk_destructor(sk); } -static inline void *twsk_getpeer(struct sock *sk) -{ - if (sk->sk_prot->twsk_prot->twsk_getpeer) - return sk->sk_prot->twsk_prot->twsk_getpeer(sk); - return NULL; -} - #endif /* _TIMEWAIT_SOCK_H */ diff --git a/include/net/xfrm.h b/include/net/xfrm.h index e0a55df..d9509eb 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -1475,6 +1475,8 @@ extern int xfrm4_output(struct sk_buff *skb); extern int xfrm4_output_finish(struct sk_buff *skb); extern int xfrm4_tunnel_register(struct xfrm_tunnel *handler, unsigned short family); extern int xfrm4_tunnel_deregister(struct xfrm_tunnel *handler, unsigned short family); +extern int xfrm4_mode_tunnel_input_register(struct xfrm_tunnel *handler); +extern int xfrm4_mode_tunnel_input_deregister(struct xfrm_tunnel *handler); extern int xfrm6_extract_header(struct sk_buff *skb); extern int xfrm6_extract_input(struct xfrm_state *x, struct sk_buff *skb); extern int xfrm6_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi); @@ -1682,13 +1684,11 @@ static inline int xfrm_mark_get(struct nlattr **attrs, struct xfrm_mark *m) static inline int xfrm_mark_put(struct sk_buff *skb, const struct xfrm_mark *m) { - if ((m->m | m->v) && - nla_put(skb, XFRMA_MARK, sizeof(struct xfrm_mark), m)) - goto nla_put_failure; - return 0; + int ret = 0; -nla_put_failure: - return -1; + if (m->m | m->v) + ret = nla_put(skb, XFRMA_MARK, sizeof(struct xfrm_mark), m); + return ret; } #endif /* _NET_XFRM_H */ |
