diff options
Diffstat (limited to 'net')
40 files changed, 1033 insertions, 368 deletions
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c index c1e2bba..ff8aaa7 100644 --- a/net/bluetooth/rfcomm/core.c +++ b/net/bluetooth/rfcomm/core.c @@ -311,6 +311,7 @@ static void rfcomm_dlc_clear_state(struct rfcomm_dlc *d) d->state = BT_OPEN; d->flags = 0; d->mscex = 0; + d->sec_level = BT_SECURITY_LOW; d->mtu = RFCOMM_DEFAULT_MTU; d->v24_sig = RFCOMM_V24_RTC | RFCOMM_V24_RTR | RFCOMM_V24_DV; diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig index 4d6f8653..798d9b9 100644 --- a/net/mac80211/Kconfig +++ b/net/mac80211/Kconfig @@ -6,6 +6,7 @@ config MAC80211 select CRYPTO_ARC4 select CRYPTO_AES select CRC32 + select AVERAGE ---help--- This option enables the hardware independent IEEE 802.11 networking stack. diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index d4679b2..9cc472c 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -342,10 +342,11 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) /* send AddBA request */ ieee80211_send_addba_request(sdata, sta->sta.addr, tid, tid_tx->dialog_token, start_seq_num, - 0x40, 5000); + 0x40, tid_tx->timeout); } -int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid) +int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid, + u16 timeout) { struct sta_info *sta = container_of(pubsta, struct sta_info, sta); struct ieee80211_sub_if_data *sdata = sta->sdata; @@ -420,6 +421,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid) skb_queue_head_init(&tid_tx->pending); __set_bit(HT_AGG_STATE_WANT_START, &tid_tx->state); + tid_tx->timeout = timeout; + /* Tx timer */ tid_tx->addba_resp_timer.function = sta_addba_resp_timer_expired; tid_tx->addba_resp_timer.data = (unsigned long)&sta->timer_to_tid[tid]; diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index db134b5..5892b03 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -19,9 +19,10 @@ #include "rate.h" #include "mesh.h" -static int ieee80211_add_iface(struct wiphy *wiphy, char *name, - enum nl80211_iftype type, u32 *flags, - struct vif_params *params) +static struct net_device *ieee80211_add_iface(struct wiphy *wiphy, char *name, + enum nl80211_iftype type, + u32 *flags, + struct vif_params *params) { struct ieee80211_local *local = wiphy_priv(wiphy); struct net_device *dev; @@ -29,12 +30,15 @@ static int ieee80211_add_iface(struct wiphy *wiphy, char *name, int err; err = ieee80211_if_add(local, name, &dev, type, params); - if (err || type != NL80211_IFTYPE_MONITOR || !flags) - return err; + if (err) + return ERR_PTR(err); - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - sdata->u.mntr_flags = *flags; - return 0; + if (type == NL80211_IFTYPE_MONITOR && flags) { + sdata = IEEE80211_DEV_TO_SUB_IF(dev); + sdata->u.mntr_flags = *flags; + } + + return dev; } static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev) @@ -56,11 +60,6 @@ static int ieee80211_change_iface(struct wiphy *wiphy, if (ret) return ret; - if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len) - ieee80211_sdata_set_mesh_id(sdata, - params->mesh_id_len, - params->mesh_id); - if (type == NL80211_IFTYPE_AP_VLAN && params && params->use_4addr == 0) rcu_assign_pointer(sdata->u.vlan.sta, NULL); @@ -296,11 +295,12 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, static int ieee80211_config_default_key(struct wiphy *wiphy, struct net_device *dev, - u8 key_idx) + u8 key_idx, bool uni, + bool multi) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - ieee80211_set_default_key(sdata, key_idx); + ieee80211_set_default_key(sdata, key_idx, uni, multi); return 0; } @@ -343,8 +343,9 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { - sinfo->filled |= STATION_INFO_SIGNAL; + sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; sinfo->signal = (s8)sta->last_signal; + sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal); } sinfo->txrate.flags = 0; @@ -983,7 +984,7 @@ static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, return 0; } -static int ieee80211_get_mesh_params(struct wiphy *wiphy, +static int ieee80211_get_mesh_config(struct wiphy *wiphy, struct net_device *dev, struct mesh_config *conf) { @@ -999,9 +1000,39 @@ static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) return (mask >> (parm-1)) & 0x1; } -static int ieee80211_set_mesh_params(struct wiphy *wiphy, - struct net_device *dev, - const struct mesh_config *nconf, u32 mask) +static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, + const struct mesh_setup *setup) +{ + u8 *new_ie; + const u8 *old_ie; + + /* first allocate the new vendor information element */ + new_ie = NULL; + old_ie = ifmsh->vendor_ie; + + ifmsh->vendor_ie_len = setup->vendor_ie_len; + if (setup->vendor_ie_len) { + new_ie = kmemdup(setup->vendor_ie, setup->vendor_ie_len, + GFP_KERNEL); + if (!new_ie) + return -ENOMEM; + } + + /* now copy the rest of the setup parameters */ + ifmsh->mesh_id_len = setup->mesh_id_len; + memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); + ifmsh->mesh_pp_id = setup->path_sel_proto; + ifmsh->mesh_pm_id = setup->path_metric; + ifmsh->vendor_ie = new_ie; + + kfree(old_ie); + + return 0; +} + +static int ieee80211_update_mesh_config(struct wiphy *wiphy, + struct net_device *dev, u32 mask, + const struct mesh_config *nconf) { struct mesh_config *conf; struct ieee80211_sub_if_data *sdata; @@ -1024,6 +1055,8 @@ static int ieee80211_set_mesh_params(struct wiphy *wiphy, conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) conf->dot11MeshTTL = nconf->dot11MeshTTL; + if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) + conf->dot11MeshTTL = nconf->element_ttl; if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) conf->auto_open_plinks = nconf->auto_open_plinks; if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) @@ -1050,6 +1083,31 @@ static int ieee80211_set_mesh_params(struct wiphy *wiphy, return 0; } +static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, + const struct mesh_config *conf, + const struct mesh_setup *setup) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; + int err; + + memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); + err = copy_mesh_setup(ifmsh, setup); + if (err) + return err; + ieee80211_start_mesh(sdata); + + return 0; +} + +static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + + ieee80211_stop_mesh(sdata); + + return 0; +} #endif static int ieee80211_change_bss(struct wiphy *wiphy, @@ -1108,6 +1166,12 @@ static int ieee80211_change_bss(struct wiphy *wiphy, sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; } + if (params->ht_opmode >= 0) { + sdata->vif.bss_conf.ht_operation_mode = + (u16) params->ht_opmode; + changed |= BSS_CHANGED_HT; + } + ieee80211_bss_info_change_notify(sdata, changed); return 0; @@ -1606,6 +1670,7 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, case NL80211_IFTYPE_AP: case NL80211_IFTYPE_AP_VLAN: case NL80211_IFTYPE_P2P_GO: + case NL80211_IFTYPE_MESH_POINT: if (!ieee80211_is_action(mgmt->frame_control) || mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) break; @@ -1754,8 +1819,10 @@ struct cfg80211_ops mac80211_config_ops = { .change_mpath = ieee80211_change_mpath, .get_mpath = ieee80211_get_mpath, .dump_mpath = ieee80211_dump_mpath, - .set_mesh_params = ieee80211_set_mesh_params, - .get_mesh_params = ieee80211_get_mesh_params, + .update_mesh_config = ieee80211_update_mesh_config, + .get_mesh_config = ieee80211_get_mesh_config, + .join_mesh = ieee80211_join_mesh, + .leave_mesh = ieee80211_leave_mesh, #endif .change_bss = ieee80211_change_bss, .set_txq_params = ieee80211_set_txq_params, diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c index 5822a6c..f7ef347 100644 --- a/net/mac80211/debugfs_key.c +++ b/net/mac80211/debugfs_key.c @@ -274,7 +274,8 @@ void ieee80211_debugfs_key_remove(struct ieee80211_key *key) debugfs_remove_recursive(key->debugfs.dir); key->debugfs.dir = NULL; } -void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata) + +void ieee80211_debugfs_key_update_default(struct ieee80211_sub_if_data *sdata) { char buf[50]; struct ieee80211_key *key; @@ -282,25 +283,29 @@ void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata) if (!sdata->debugfs.dir) return; - /* this is running under the key lock */ + lockdep_assert_held(&sdata->local->key_mtx); - key = sdata->default_key; - if (key) { + if (sdata->default_unicast_key) { + key = sdata->default_unicast_key; sprintf(buf, "../keys/%d", key->debugfs.cnt); - sdata->debugfs.default_key = - debugfs_create_symlink("default_key", + sdata->debugfs.default_unicast_key = + debugfs_create_symlink("default_unicast_key", sdata->debugfs.dir, buf); - } else - ieee80211_debugfs_key_remove_default(sdata); -} - -void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata) -{ - if (!sdata) - return; + } else { + debugfs_remove(sdata->debugfs.default_unicast_key); + sdata->debugfs.default_unicast_key = NULL; + } - debugfs_remove(sdata->debugfs.default_key); - sdata->debugfs.default_key = NULL; + if (sdata->default_multicast_key) { + key = sdata->default_multicast_key; + sprintf(buf, "../keys/%d", key->debugfs.cnt); + sdata->debugfs.default_multicast_key = + debugfs_create_symlink("default_multicast_key", + sdata->debugfs.dir, buf); + } else { + debugfs_remove(sdata->debugfs.default_multicast_key); + sdata->debugfs.default_multicast_key = NULL; + } } void ieee80211_debugfs_key_add_mgmt_default(struct ieee80211_sub_if_data *sdata) diff --git a/net/mac80211/debugfs_key.h b/net/mac80211/debugfs_key.h index 54717b4..32adc77 100644 --- a/net/mac80211/debugfs_key.h +++ b/net/mac80211/debugfs_key.h @@ -4,8 +4,7 @@ #ifdef CONFIG_MAC80211_DEBUGFS void ieee80211_debugfs_key_add(struct ieee80211_key *key); void ieee80211_debugfs_key_remove(struct ieee80211_key *key); -void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata); -void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata); +void ieee80211_debugfs_key_update_default(struct ieee80211_sub_if_data *sdata); void ieee80211_debugfs_key_add_mgmt_default( struct ieee80211_sub_if_data *sdata); void ieee80211_debugfs_key_remove_mgmt_default( @@ -17,10 +16,7 @@ static inline void ieee80211_debugfs_key_add(struct ieee80211_key *key) {} static inline void ieee80211_debugfs_key_remove(struct ieee80211_key *key) {} -static inline void ieee80211_debugfs_key_add_default( - struct ieee80211_sub_if_data *sdata) -{} -static inline void ieee80211_debugfs_key_remove_default( +static inline void ieee80211_debugfs_key_update_default( struct ieee80211_sub_if_data *sdata) {} static inline void ieee80211_debugfs_key_add_mgmt_default( diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index cbdf36d..2dabdf7 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -251,6 +251,7 @@ IEEE80211_IF_FILE(dot11MeshConfirmTimeout, IEEE80211_IF_FILE(dot11MeshHoldingTimeout, u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC); IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC); +IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC); IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC); IEEE80211_IF_FILE(dot11MeshMaxPeerLinks, u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC); @@ -355,6 +356,7 @@ static void add_mesh_config(struct ieee80211_sub_if_data *sdata) MESHPARAMS_ADD(dot11MeshConfirmTimeout); MESHPARAMS_ADD(dot11MeshHoldingTimeout); MESHPARAMS_ADD(dot11MeshTTL); + MESHPARAMS_ADD(element_ttl); MESHPARAMS_ADD(auto_open_plinks); MESHPARAMS_ADD(dot11MeshMaxPeerLinks); MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout); diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index 8bb5af8..c04a139 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -189,7 +189,7 @@ static ssize_t sta_agg_status_write(struct file *file, const char __user *userbu if (tx) { if (start) - ret = ieee80211_start_tx_ba_session(&sta->sta, tid); + ret = ieee80211_start_tx_ba_session(&sta->sta, tid, 5000); else ret = ieee80211_stop_tx_ba_session(&sta->sta, tid); } else { diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index 4244554..af0c439 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -367,7 +367,7 @@ static inline void drv_reset_tsf(struct ieee80211_local *local) static inline int drv_tx_last_beacon(struct ieee80211_local *local) { - int ret = 1; + int ret = 0; /* default unsuported op for less congestion */ might_sleep(); diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index 410d104..53c7077 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -780,6 +780,9 @@ void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, mutex_lock(&sdata->u.ibss.mtx); + if (!sdata->u.ibss.ssid_len) + goto mgmt_out; /* not ready to merge yet */ + switch (fc & IEEE80211_FCTL_STYPE) { case IEEE80211_STYPE_PROBE_REQ: ieee80211_rx_mgmt_probe_req(sdata, mgmt, skb->len); @@ -797,6 +800,7 @@ void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, break; } + mgmt_out: mutex_unlock(&sdata->u.ibss.mtx); } diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 66b0b52..eadaa24 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -357,6 +357,7 @@ struct ieee80211_if_managed { unsigned long beacon_timeout; unsigned long probe_timeout; int probe_send_count; + bool nullfunc_failed; struct mutex mtx; struct cfg80211_bss *associated; @@ -483,6 +484,8 @@ struct ieee80211_if_mesh { struct mesh_config mshcfg; u32 mesh_seqnum; bool accepting_plinks; + const u8 *vendor_ie; + u8 vendor_ie_len; }; #ifdef CONFIG_MAC80211_MESH @@ -556,7 +559,7 @@ struct ieee80211_sub_if_data { unsigned int fragment_next; struct ieee80211_key *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; - struct ieee80211_key *default_key; + struct ieee80211_key *default_unicast_key, *default_multicast_key; struct ieee80211_key *default_mgmt_key; u16 sequence_number; @@ -584,9 +587,7 @@ struct ieee80211_sub_if_data { struct ieee80211_if_vlan vlan; struct ieee80211_if_managed mgd; struct ieee80211_if_ibss ibss; -#ifdef CONFIG_MAC80211_MESH struct ieee80211_if_mesh mesh; -#endif u32 mntr_flags; } u; @@ -594,7 +595,8 @@ struct ieee80211_sub_if_data { struct { struct dentry *dir; struct dentry *subdir_stations; - struct dentry *default_key; + struct dentry *default_unicast_key; + struct dentry *default_multicast_key; struct dentry *default_mgmt_key; } debugfs; #endif @@ -608,19 +610,6 @@ struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) return container_of(p, struct ieee80211_sub_if_data, vif); } -static inline void -ieee80211_sdata_set_mesh_id(struct ieee80211_sub_if_data *sdata, - u8 mesh_id_len, u8 *mesh_id) -{ -#ifdef CONFIG_MAC80211_MESH - struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; - ifmsh->mesh_id_len = mesh_id_len; - memcpy(ifmsh->mesh_id, mesh_id, mesh_id_len); -#else - WARN_ON(1); -#endif -} - enum sdata_queue_type { IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, IEEE80211_SDATA_QUEUE_AGG_START = 1, @@ -1271,7 +1260,7 @@ void ieee80211_send_nullfunc(struct ieee80211_local *local, void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, struct ieee80211_hdr *hdr); void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, - struct ieee80211_hdr *hdr); + struct ieee80211_hdr *hdr, bool ack); void ieee80211_beacon_connection_loss_work(struct work_struct *work); void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 7aa8559..f0f11bb 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -197,11 +197,6 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up) sdata->bss = &sdata->u.ap; break; case NL80211_IFTYPE_MESH_POINT: - if (!ieee80211_vif_is_mesh(&sdata->vif)) - break; - /* mesh ifaces must set allmulti to forward mcast traffic */ - atomic_inc(&local->iff_allmultis); - break; case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_MONITOR: case NL80211_IFTYPE_ADHOC: @@ -273,12 +268,7 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up) goto err_stop; } - if (ieee80211_vif_is_mesh(&sdata->vif)) { - local->fif_other_bss++; - ieee80211_configure_filter(local); - - ieee80211_start_mesh(sdata); - } else if (sdata->vif.type == NL80211_IFTYPE_AP) { + if (sdata->vif.type == NL80211_IFTYPE_AP) { local->fif_pspoll++; local->fif_probe_req++; @@ -503,18 +493,6 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, ieee80211_adjust_monitor_flags(sdata, -1); ieee80211_configure_filter(local); break; - case NL80211_IFTYPE_MESH_POINT: - if (ieee80211_vif_is_mesh(&sdata->vif)) { - /* other_bss and allmulti are always set on mesh - * ifaces */ - local->fif_other_bss--; - atomic_dec(&local->iff_allmultis); - - ieee80211_configure_filter(local); - - ieee80211_stop_mesh(sdata); - } - /* fall through */ default: flush_work(&sdata->work); /* @@ -1204,12 +1182,6 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, if (ret) goto fail; - if (ieee80211_vif_is_mesh(&sdata->vif) && - params && params->mesh_id_len) - ieee80211_sdata_set_mesh_id(sdata, - params->mesh_id_len, - params->mesh_id); - mutex_lock(&local->iflist_mtx); list_add_tail_rcu(&sdata->list, &local->interfaces); mutex_unlock(&local->iflist_mtx); diff --git a/net/mac80211/key.c b/net/mac80211/key.c index 72df1ca..84cf919 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -178,7 +178,7 @@ void ieee80211_key_removed(struct ieee80211_key_conf *key_conf) EXPORT_SYMBOL_GPL(ieee80211_key_removed); static void __ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, - int idx) + int idx, bool uni, bool multi) { struct ieee80211_key *key = NULL; @@ -187,18 +187,19 @@ static void __ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, if (idx >= 0 && idx < NUM_DEFAULT_KEYS) key = sdata->keys[idx]; - rcu_assign_pointer(sdata->default_key, key); + if (uni) + rcu_assign_pointer(sdata->default_unicast_key, key); + if (multi) + rcu_assign_pointer(sdata->default_multicast_key, key); - if (key) { - ieee80211_debugfs_key_remove_default(key->sdata); - ieee80211_debugfs_key_add_default(key->sdata); - } + ieee80211_debugfs_key_update_default(sdata); } -void ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, int idx) +void ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, int idx, + bool uni, bool multi) { mutex_lock(&sdata->local->key_mtx); - __ieee80211_set_default_key(sdata, idx); + __ieee80211_set_default_key(sdata, idx, uni, multi); mutex_unlock(&sdata->local->key_mtx); } @@ -215,10 +216,7 @@ __ieee80211_set_default_mgmt_key(struct ieee80211_sub_if_data *sdata, int idx) rcu_assign_pointer(sdata->default_mgmt_key, key); - if (key) { - ieee80211_debugfs_key_remove_mgmt_default(key->sdata); - ieee80211_debugfs_key_add_mgmt_default(key->sdata); - } + ieee80211_debugfs_key_update_default(sdata); } void ieee80211_set_default_mgmt_key(struct ieee80211_sub_if_data *sdata, @@ -236,7 +234,8 @@ static void __ieee80211_key_replace(struct ieee80211_sub_if_data *sdata, struct ieee80211_key *old, struct ieee80211_key *new) { - int idx, defkey, defmgmtkey; + int idx; + bool defunikey, defmultikey, defmgmtkey; if (new) list_add(&new->list, &sdata->key_list); @@ -257,17 +256,24 @@ static void __ieee80211_key_replace(struct ieee80211_sub_if_data *sdata, else idx = new->conf.keyidx; - defkey = old && sdata->default_key == old; + defunikey = old && sdata->default_unicast_key == old; + defmultikey = old && sdata->default_multicast_key == old; defmgmtkey = old && sdata->default_mgmt_key == old; - if (defkey && !new) - __ieee80211_set_default_key(sdata, -1); + if (defunikey && !new) + __ieee80211_set_default_key(sdata, -1, true, false); + if (defmultikey && !new) + __ieee80211_set_default_key(sdata, -1, false, true); if (defmgmtkey && !new) __ieee80211_set_default_mgmt_key(sdata, -1); rcu_assign_pointer(sdata->keys[idx], new); - if (defkey && new) - __ieee80211_set_default_key(sdata, new->conf.keyidx); + if (defunikey && new) + __ieee80211_set_default_key(sdata, new->conf.keyidx, + true, false); + if (defmultikey && new) + __ieee80211_set_default_key(sdata, new->conf.keyidx, + false, true); if (defmgmtkey && new) __ieee80211_set_default_mgmt_key(sdata, new->conf.keyidx); @@ -509,11 +515,12 @@ void ieee80211_free_keys(struct ieee80211_sub_if_data *sdata) mutex_lock(&sdata->local->key_mtx); - ieee80211_debugfs_key_remove_default(sdata); ieee80211_debugfs_key_remove_mgmt_default(sdata); list_for_each_entry_safe(key, tmp, &sdata->key_list, list) __ieee80211_key_free(key); + ieee80211_debugfs_key_update_default(sdata); + mutex_unlock(&sdata->local->key_mtx); } diff --git a/net/mac80211/key.h b/net/mac80211/key.h index 0db1c0f..8106aa1 100644 --- a/net/mac80211/key.h +++ b/net/mac80211/key.h @@ -138,7 +138,8 @@ int __must_check ieee80211_key_link(struct ieee80211_key *key, struct sta_info *sta); void ieee80211_key_free(struct ieee80211_local *local, struct ieee80211_key *key); -void ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, int idx); +void ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, int idx, + bool uni, bool multi); void ieee80211_set_default_mgmt_key(struct ieee80211_sub_if_data *sdata, int idx); void ieee80211_free_keys(struct ieee80211_sub_if_data *sdata); diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 107a0cb..a21d049 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -245,9 +245,12 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, sdata->vif.bss_conf.enable_beacon = !!sdata->u.ibss.presp; break; +#ifdef CONFIG_MAC80211_MESH case NL80211_IFTYPE_MESH_POINT: - sdata->vif.bss_conf.enable_beacon = true; + sdata->vif.bss_conf.enable_beacon = + !!sdata->u.mesh.mesh_id_len; break; +#endif default: /* not reached */ WARN_ON(1); @@ -481,6 +484,10 @@ ieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = { BIT(IEEE80211_STYPE_DEAUTH >> 4) | BIT(IEEE80211_STYPE_ACTION >> 4), }, + [NL80211_IFTYPE_MESH_POINT] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ACTION >> 4), + }, }; struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, @@ -514,10 +521,15 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, wiphy->mgmt_stypes = ieee80211_default_mgmt_stypes; + wiphy->privid = mac80211_wiphy_privid; + wiphy->flags |= WIPHY_FLAG_NETNS_OK | WIPHY_FLAG_4ADDR_AP | - WIPHY_FLAG_4ADDR_STATION; - wiphy->privid = mac80211_wiphy_privid; + WIPHY_FLAG_4ADDR_STATION | + WIPHY_FLAG_SUPPORTS_SEPARATE_DEFAULT_KEYS; + + if (!ops->set_key) + wiphy->flags |= WIPHY_FLAG_IBSS_RSN; wiphy->bss_priv_size = sizeof(struct ieee80211_bss); @@ -737,6 +749,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) } } + local->hw.wiphy->max_remain_on_channel_duration = 5000; + result = wiphy_register(local->hw.wiphy); if (result < 0) goto fail_wiphy_register; diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index c8a4f19..ca3af46 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -124,15 +124,6 @@ void mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata) ieee80211_mesh_housekeeping_timer((unsigned long) sdata); } -void mesh_ids_set_default(struct ieee80211_if_mesh *sta) -{ - sta->mesh_pp_id = 0; /* HWMP */ - sta->mesh_pm_id = 0; /* Airtime */ - sta->mesh_cc_id = 0; /* Disabled */ - sta->mesh_sp_id = 0; /* Neighbor Offset */ - sta->mesh_auth_id = 0; /* Disabled */ -} - int mesh_rmc_init(struct ieee80211_sub_if_data *sdata) { int i; @@ -287,6 +278,13 @@ void mesh_mgmt_ies_add(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata) *pos++ |= sdata->u.mesh.accepting_plinks ? MESHCONF_CAPAB_ACCEPT_PLINKS : 0x00; *pos++ = 0x00; + + if (sdata->u.mesh.vendor_ie) { + int len = sdata->u.mesh.vendor_ie_len; + const u8 *data = sdata->u.mesh.vendor_ie; + if (skb_tailroom(skb) > len) + memcpy(skb_put(skb, len), data, len); + } } u32 mesh_table_hash(u8 *addr, struct ieee80211_sub_if_data *sdata, struct mesh_table *tbl) @@ -412,39 +410,33 @@ int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc, * ieee80211_new_mesh_header - create a new mesh header * @meshhdr: uninitialized mesh header * @sdata: mesh interface to be used - * @addr4: addr4 of the mesh frame (1st in ae header) - * may be NULL - * @addr5: addr5 of the mesh frame (1st or 2nd in ae header) - * may be NULL unless addr6 is present - * @addr6: addr6 of the mesh frame (2nd or 3rd in ae header) - * may be NULL unless addr5 is present + * @addr4or5: 1st address in the ae header, which may correspond to address 4 + * (if addr6 is NULL) or address 5 (if addr6 is present). It may + * be NULL. + * @addr6: 2nd address in the ae header, which corresponds to addr6 of the + * mesh frame * * Return the header length. */ int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr, - struct ieee80211_sub_if_data *sdata, char *addr4, - char *addr5, char *addr6) + struct ieee80211_sub_if_data *sdata, char *addr4or5, + char *addr6) { int aelen = 0; + BUG_ON(!addr4or5 && addr6); memset(meshhdr, 0, sizeof(*meshhdr)); meshhdr->ttl = sdata->u.mesh.mshcfg.dot11MeshTTL; put_unaligned(cpu_to_le32(sdata->u.mesh.mesh_seqnum), &meshhdr->seqnum); sdata->u.mesh.mesh_seqnum++; - if (addr4) { + if (addr4or5 && !addr6) { meshhdr->flags |= MESH_FLAGS_AE_A4; aelen += ETH_ALEN; - memcpy(meshhdr->eaddr1, addr4, ETH_ALEN); - } - if (addr5 && addr6) { + memcpy(meshhdr->eaddr1, addr4or5, ETH_ALEN); + } else if (addr4or5 && addr6) { meshhdr->flags |= MESH_FLAGS_AE_A5_A6; aelen += 2 * ETH_ALEN; - if (!addr4) { - memcpy(meshhdr->eaddr1, addr5, ETH_ALEN); - memcpy(meshhdr->eaddr2, addr6, ETH_ALEN); - } else { - memcpy(meshhdr->eaddr2, addr5, ETH_ALEN); - memcpy(meshhdr->eaddr3, addr6, ETH_ALEN); - } + memcpy(meshhdr->eaddr1, addr4or5, ETH_ALEN); + memcpy(meshhdr->eaddr2, addr6, ETH_ALEN); } return 6 + aelen; } @@ -513,6 +505,14 @@ void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata) struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; struct ieee80211_local *local = sdata->local; + local->fif_other_bss++; + /* mesh ifaces must set allmulti to forward mcast traffic */ + atomic_inc(&local->iff_allmultis); + ieee80211_configure_filter(local); + + ifmsh->mesh_cc_id = 0; /* Disabled */ + ifmsh->mesh_sp_id = 0; /* Neighbor Offset */ + ifmsh->mesh_auth_id = 0; /* Disabled */ set_bit(MESH_WORK_HOUSEKEEPING, &ifmsh->wrkq_flags); ieee80211_mesh_root_setup(ifmsh); ieee80211_queue_work(&local->hw, &sdata->work); @@ -524,6 +524,13 @@ void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata) void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata) { + struct ieee80211_local *local = sdata->local; + struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; + + ifmsh->mesh_id_len = 0; + ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); + sta_info_flush(local, NULL); + del_timer_sync(&sdata->u.mesh.housekeeping_timer); del_timer_sync(&sdata->u.mesh.mesh_path_root_timer); /* @@ -534,6 +541,10 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata) * it no longer is. */ cancel_work_sync(&sdata->work); + + local->fif_other_bss--; + atomic_dec(&local->iff_allmultis); + ieee80211_configure_filter(local); } static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, @@ -663,26 +674,6 @@ void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata) ieee80211_mesh_housekeeping_timer, (unsigned long) sdata); - ifmsh->mshcfg.dot11MeshRetryTimeout = MESH_RET_T; - ifmsh->mshcfg.dot11MeshConfirmTimeout = MESH_CONF_T; - ifmsh->mshcfg.dot11MeshHoldingTimeout = MESH_HOLD_T; - ifmsh->mshcfg.dot11MeshMaxRetries = MESH_MAX_RETR; - ifmsh->mshcfg.dot11MeshTTL = MESH_TTL; - ifmsh->mshcfg.auto_open_plinks = true; - ifmsh->mshcfg.dot11MeshMaxPeerLinks = - MESH_MAX_ESTAB_PLINKS; - ifmsh->mshcfg.dot11MeshHWMPactivePathTimeout = - MESH_PATH_TIMEOUT; - ifmsh->mshcfg.dot11MeshHWMPpreqMinInterval = - MESH_PREQ_MIN_INT; - ifmsh->mshcfg.dot11MeshHWMPnetDiameterTraversalTime = - MESH_DIAM_TRAVERSAL_TIME; - ifmsh->mshcfg.dot11MeshHWMPmaxPREQretries = - MESH_MAX_PREQ_RETRIES; - ifmsh->mshcfg.path_refresh_time = - MESH_PATH_REFRESH_TIME; - ifmsh->mshcfg.min_discovery_timeout = - MESH_MIN_DISCOVERY_TIMEOUT; ifmsh->accepting_plinks = true; ifmsh->preq_id = 0; ifmsh->sn = 0; @@ -692,7 +683,6 @@ void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata) /* Allocate all mesh structures when creating the first mesh interface. */ if (!mesh_allocated) ieee80211s_init(); - mesh_ids_set_default(ifmsh); setup_timer(&ifmsh->mesh_path_timer, ieee80211_mesh_path_timer, (unsigned long) sdata); diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h index 58e7411..b99e230 100644 --- a/net/mac80211/mesh.h +++ b/net/mac80211/mesh.h @@ -164,44 +164,10 @@ struct mesh_rmc { }; -/* - * MESH_CFG_COMP_LEN Includes: - * - Active path selection protocol ID. - * - Active path selection metric ID. - * - Congestion control mode identifier. - * - Channel precedence. - * Does not include mesh capabilities, which may vary across nodes in the same - * mesh - */ -#define MESH_CFG_CMP_LEN (IEEE80211_MESH_CONFIG_LEN - 2) - -/* Default values, timeouts in ms */ -#define MESH_TTL 31 -#define MESH_MAX_RETR 3 -#define MESH_RET_T 100 -#define MESH_CONF_T 100 -#define MESH_HOLD_T 100 - -#define MESH_PATH_TIMEOUT 5000 -/* Minimum interval between two consecutive PREQs originated by the same - * interface - */ -#define MESH_PREQ_MIN_INT 10 -#define MESH_DIAM_TRAVERSAL_TIME 50 -/* A path will be refreshed if it is used PATH_REFRESH_TIME milliseconds before - * timing out. This way it will remain ACTIVE and no data frames will be - * unnecesarily held in the pending queue. - */ -#define MESH_PATH_REFRESH_TIME 1000 -#define MESH_MIN_DISCOVERY_TIMEOUT (2 * MESH_DIAM_TRAVERSAL_TIME) #define MESH_DEFAULT_BEACON_INTERVAL 1000 /* in 1024 us units */ -#define MESH_MAX_PREQ_RETRIES 4 #define MESH_PATH_EXPIRE (600 * HZ) -/* Default maximum number of established plinks per interface */ -#define MESH_MAX_ESTAB_PLINKS 32 - /* Default maximum number of plinks per interface */ #define MESH_MAX_PLINKS 256 @@ -221,8 +187,8 @@ struct mesh_rmc { int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc, const u8 *da, const u8 *sa); int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr, - struct ieee80211_sub_if_data *sdata, char *addr4, - char *addr5, char *addr6); + struct ieee80211_sub_if_data *sdata, char *addr4or5, + char *addr6); int mesh_rmc_check(u8 *addr, struct ieee80211s_hdr *mesh_hdr, struct ieee80211_sub_if_data *sdata); bool mesh_matches_local(struct ieee802_11_elems *ie, @@ -318,6 +284,11 @@ static inline void mesh_path_activate(struct mesh_path *mpath) mpath->flags |= MESH_PATH_ACTIVE | MESH_PATH_RESOLVED; } +static inline bool mesh_path_sel_is_hwmp(struct ieee80211_sub_if_data *sdata) +{ + return sdata->u.mesh.mesh_pp_id == IEEE80211_PATH_PROTOCOL_HWMP; +} + #define for_each_mesh_entry(x, p, node, i) \ for (i = 0; i <= x->hash_mask; i++) \ hlist_for_each_entry_rcu(node, p, &x->hash_buckets[i], list) @@ -338,6 +309,8 @@ static inline void ieee80211_mesh_restart(struct ieee80211_sub_if_data *sdata) {} static inline void mesh_plink_quiesce(struct sta_info *sta) {} static inline void mesh_plink_restart(struct sta_info *sta) {} +static inline bool mesh_path_sel_is_hwmp(struct ieee80211_sub_if_data *sdata) +{ return false; } #endif #endif /* IEEE80211S_H */ diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index 829e08a..5bf64d7 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -232,7 +232,7 @@ int mesh_path_error_tx(u8 ttl, u8 *target, __le32 target_sn, *pos++ = WLAN_EID_PERR; *pos++ = ie_len; /* ttl */ - *pos++ = MESH_TTL; + *pos++ = ttl; /* number of destinations */ *pos++ = 1; /* @@ -522,7 +522,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata, if (reply) { lifetime = PREQ_IE_LIFETIME(preq_elem); - ttl = ifmsh->mshcfg.dot11MeshTTL; + ttl = ifmsh->mshcfg.element_ttl; if (ttl != 0) { mhwmp_dbg("replying to the PREQ\n"); mesh_path_sel_frame_tx(MPATH_PREP, 0, target_addr, @@ -877,7 +877,7 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata) sdata->u.mesh.last_sn_update = jiffies; } lifetime = default_lifetime(sdata); - ttl = sdata->u.mesh.mshcfg.dot11MeshTTL; + ttl = sdata->u.mesh.mshcfg.element_ttl; if (ttl == 0) { sdata->u.mesh.mshstats.dropped_frames_ttl++; spin_unlock_bh(&mpath->state_lock); @@ -1013,5 +1013,6 @@ mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata) mesh_path_sel_frame_tx(MPATH_RANN, 0, sdata->vif.addr, cpu_to_le32(++ifmsh->sn), 0, NULL, 0, broadcast_addr, - 0, MESH_TTL, 0, 0, 0, sdata); + 0, sdata->u.mesh.mshcfg.element_ttl, + 0, 0, 0, sdata); } diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index 349e466..8d65b47 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -467,8 +467,8 @@ void mesh_plink_broken(struct sta_info *sta) mpath->flags &= ~MESH_PATH_ACTIVE; ++mpath->sn; spin_unlock_bh(&mpath->state_lock); - mesh_path_error_tx(MESH_TTL, mpath->dst, - cpu_to_le32(mpath->sn), + mesh_path_error_tx(sdata->u.mesh.mshcfg.element_ttl, + mpath->dst, cpu_to_le32(mpath->sn), cpu_to_le16(PERR_RCODE_DEST_UNREACH), bcast, sdata); } else @@ -614,7 +614,8 @@ void mesh_path_discard_frame(struct sk_buff *skb, mpath = mesh_path_lookup(da, sdata); if (mpath) sn = ++mpath->sn; - mesh_path_error_tx(MESH_TTL, skb->data, cpu_to_le32(sn), + mesh_path_error_tx(sdata->u.mesh.mshcfg.element_ttl, skb->data, + cpu_to_le32(sn), cpu_to_le16(PERR_RCODE_NO_ROUTE), ra, sdata); } diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index 1c91f0f..44b5393 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -160,7 +160,8 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, enum plink_frame_type action, u8 *da, __le16 llid, __le16 plid, __le16 reason) { struct ieee80211_local *local = sdata->local; - struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400); + struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400 + + sdata->u.mesh.vendor_ie_len); struct ieee80211_mgmt *mgmt; bool include_plid = false; static const u8 meshpeeringproto[] = { 0x00, 0x0F, 0xAC, 0x2A }; diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 7948079..45fbb9e 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -625,11 +625,12 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency) /* * Go to full PSM if the user configures a very low * latency requirement. - * The 2 second value is there for compatibility until - * the PM_QOS_NETWORK_LATENCY is configured with real - * values. + * The 2000 second value is there for compatibility + * until the PM_QOS_NETWORK_LATENCY is configured + * with real values. */ - if (latency > 1900000000 && latency != 2000000000) + if (latency > (1900 * USEC_PER_MSEC) && + latency != (2000 * USEC_PER_SEC)) timeout = 0; else timeout = 100; @@ -1065,17 +1066,20 @@ static void ieee80211_reset_ap_probe(struct ieee80211_sub_if_data *sdata) } void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, - struct ieee80211_hdr *hdr) + struct ieee80211_hdr *hdr, bool ack) { - if (!ieee80211_is_data(hdr->frame_control) && - !ieee80211_is_nullfunc(hdr->frame_control)) + if (!ieee80211_is_data(hdr->frame_control)) return; - ieee80211_sta_reset_conn_monitor(sdata); + if (ack) + ieee80211_sta_reset_conn_monitor(sdata); if (ieee80211_is_nullfunc(hdr->frame_control) && sdata->u.mgd.probe_send_count > 0) { - sdata->u.mgd.probe_send_count = 0; + if (ack) + sdata->u.mgd.probe_send_count = 0; + else + sdata->u.mgd.nullfunc_failed = true; ieee80211_queue_work(&sdata->local->hw, &sdata->work); } } @@ -1102,9 +1106,10 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata) * anymore. The timeout will be reset if the frame is ACKed by * the AP. */ - if (sdata->local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) + if (sdata->local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) { + ifmgd->nullfunc_failed = false; ieee80211_send_nullfunc(sdata->local, sdata, 0); - else { + } else { ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID); ieee80211_send_probe_req(sdata, dst, ssid + 2, ssid[1], NULL, 0); } @@ -1913,6 +1918,31 @@ static void ieee80211_sta_timer(unsigned long data) ieee80211_queue_work(&local->hw, &sdata->work); } +static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata, + u8 *bssid) +{ + struct ieee80211_local *local = sdata->local; + struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; + + ifmgd->flags &= ~(IEEE80211_STA_CONNECTION_POLL | + IEEE80211_STA_BEACON_POLL); + + ieee80211_set_disassoc(sdata, true, true); + mutex_unlock(&ifmgd->mtx); + mutex_lock(&local->mtx); + ieee80211_recalc_idle(local); + mutex_unlock(&local->mtx); + /* + * must be outside lock due to cfg80211, + * but that's not a problem. + */ + ieee80211_send_deauth_disassoc(sdata, bssid, + IEEE80211_STYPE_DEAUTH, + WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY, + NULL, true); + mutex_lock(&ifmgd->mtx); +} + void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata) { struct ieee80211_local *local = sdata->local; @@ -1937,11 +1967,37 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata) /* ACK received for nullfunc probing frame */ if (!ifmgd->probe_send_count) ieee80211_reset_ap_probe(sdata); - - else if (time_is_after_jiffies(ifmgd->probe_timeout)) + else if (ifmgd->nullfunc_failed) { + if (ifmgd->probe_send_count < max_tries) { +#ifdef CONFIG_MAC80211_VERBOSE_DEBUG + wiphy_debug(local->hw.wiphy, + "%s: No ack for nullfunc frame to" + " AP %pM, try %d\n", + sdata->name, bssid, + ifmgd->probe_send_count); +#endif + ieee80211_mgd_probe_ap_send(sdata); + } else { +#ifdef CONFIG_MAC80211_VERBOSE_DEBUG + wiphy_debug(local->hw.wiphy, + "%s: No ack for nullfunc frame to" + " AP %pM, disconnecting.\n", + sdata->name, bssid); +#endif + ieee80211_sta_connection_lost(sdata, bssid); + } + } else if (time_is_after_jiffies(ifmgd->probe_timeout)) run_again(ifmgd, ifmgd->probe_timeout); - - else if (ifmgd->probe_send_count < max_tries) { + else if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) { +#ifdef CONFIG_MAC80211_VERBOSE_DEBUG + wiphy_debug(local->hw.wiphy, + "%s: Failed to send nullfunc to AP %pM" + " after %dms, disconnecting.\n", + sdata->name, + bssid, (1000 * IEEE80211_PROBE_WAIT)/HZ); +#endif + ieee80211_sta_connection_lost(sdata, bssid); + } else if (ifmgd->probe_send_count < max_tries) { #ifdef CONFIG_MAC80211_VERBOSE_DEBUG wiphy_debug(local->hw.wiphy, "%s: No probe response from AP %pM" @@ -1956,27 +2012,13 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata) * We actually lost the connection ... or did we? * Let's make sure! */ - ifmgd->flags &= ~(IEEE80211_STA_CONNECTION_POLL | - IEEE80211_STA_BEACON_POLL); wiphy_debug(local->hw.wiphy, "%s: No probe response from AP %pM" " after %dms, disconnecting.\n", sdata->name, bssid, (1000 * IEEE80211_PROBE_WAIT)/HZ); - ieee80211_set_disassoc(sdata, true, true); - mutex_unlock(&ifmgd->mtx); - mutex_lock(&local->mtx); - ieee80211_recalc_idle(local); - mutex_unlock(&local->mtx); - /* - * must be outside lock due to cfg80211, - * but that's not a problem. - */ - ieee80211_send_deauth_disassoc(sdata, bssid, - IEEE80211_STYPE_DEAUTH, - WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY, - NULL, true); - mutex_lock(&ifmgd->mtx); + + ieee80211_sta_connection_lost(sdata, bssid); } } diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c index 4ad7a36..165a451 100644 --- a/net/mac80211/rc80211_minstrel_ht.c +++ b/net/mac80211/rc80211_minstrel_ht.c @@ -374,7 +374,7 @@ minstrel_aggr_check(struct minstrel_priv *mp, struct ieee80211_sta *pubsta, stru if (skb_get_queue_mapping(skb) == IEEE80211_AC_VO) return; - ieee80211_start_tx_ba_session(pubsta, tid); + ieee80211_start_tx_ba_session(pubsta, tid, 5000); } static void diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 6289525..7c5d1b2 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -955,12 +955,31 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx) * have been expected. */ struct ieee80211_key *key = NULL; + struct ieee80211_sub_if_data *sdata = rx->sdata; + int i; + if (ieee80211_is_mgmt(fc) && is_multicast_ether_addr(hdr->addr1) && (key = rcu_dereference(rx->sdata->default_mgmt_key))) rx->key = key; - else if ((key = rcu_dereference(rx->sdata->default_key))) - rx->key = key; + else { + if (rx->sta) { + for (i = 0; i < NUM_DEFAULT_KEYS; i++) { + key = rcu_dereference(rx->sta->gtk[i]); + if (key) + break; + } + } + if (!key) { + for (i = 0; i < NUM_DEFAULT_KEYS; i++) { + key = rcu_dereference(sdata->keys[i]); + if (key) + break; + } + } + if (key) + rx->key = key; + } return RX_CONTINUE; } else { u8 keyid; @@ -1163,6 +1182,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx) sta->rx_fragments++; sta->rx_bytes += rx->skb->len; sta->last_signal = status->signal; + ewma_add(&sta->avg_signal, -status->signal); /* * Change STA power saving mode only at the end of a frame @@ -1520,12 +1540,30 @@ ieee80211_drop_unencrypted_mgmt(struct ieee80211_rx_data *rx) if (rx->sta && test_sta_flags(rx->sta, WLAN_STA_MFP)) { if (unlikely(!ieee80211_has_protected(fc) && ieee80211_is_unicast_robust_mgmt_frame(rx->skb) && - rx->key)) + rx->key)) { + if (ieee80211_is_deauth(fc)) + cfg80211_send_unprot_deauth(rx->sdata->dev, + rx->skb->data, + rx->skb->len); + else if (ieee80211_is_disassoc(fc)) + cfg80211_send_unprot_disassoc(rx->sdata->dev, + rx->skb->data, + rx->skb->len); return -EACCES; + } /* BIP does not use Protected field, so need to check MMIE */ if (unlikely(ieee80211_is_multicast_robust_mgmt_frame(rx->skb) && - ieee80211_get_mmie_keyidx(rx->skb) < 0)) + ieee80211_get_mmie_keyidx(rx->skb) < 0)) { + if (ieee80211_is_deauth(fc)) + cfg80211_send_unprot_deauth(rx->sdata->dev, + rx->skb->data, + rx->skb->len); + else if (ieee80211_is_disassoc(fc)) + cfg80211_send_unprot_disassoc(rx->sdata->dev, + rx->skb->data, + rx->skb->len); return -EACCES; + } /* * When using MFP, Action frames are not allowed prior to * having configured keys. @@ -2123,10 +2161,13 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) } break; case WLAN_CATEGORY_MESH_PLINK: - case WLAN_CATEGORY_MESH_PATH_SEL: if (!ieee80211_vif_is_mesh(&sdata->vif)) break; goto queue; + case WLAN_CATEGORY_MESH_PATH_SEL: + if (!mesh_path_sel_is_hwmp(sdata)) + break; + goto queue; } return RX_CONTINUE; diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index eff5857..c426504 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -244,6 +244,8 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata, sta->local = local; sta->sdata = sdata; + ewma_init(&sta->avg_signal, 1024, 8); + if (sta_prepare_rate_control(local, sta, gfp)) { kfree(sta); return NULL; diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index 05f1130..bbdd2a8 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -13,6 +13,7 @@ #include <linux/types.h> #include <linux/if_ether.h> #include <linux/workqueue.h> +#include <linux/average.h> #include "key.h" /** @@ -77,6 +78,7 @@ enum ieee80211_sta_info_flags { * @addba_resp_timer: timer for peer's response to addba request * @pending: pending frames queue -- use sta's spinlock to protect * @dialog_token: dialog token for aggregation session + * @timeout: session timeout value to be filled in ADDBA requests * @state: session state (see above) * @stop_initiator: initiator of a session stop * @tx_stop: TX DelBA frame when stopping @@ -95,6 +97,7 @@ struct tid_ampdu_tx { struct timer_list addba_resp_timer; struct sk_buff_head pending; unsigned long state; + u16 timeout; u8 dialog_token; u8 stop_initiator; bool tx_stop; @@ -223,6 +226,7 @@ enum plink_state { * @rx_fragments: number of received MPDUs * @rx_dropped: number of dropped MPDUs from this STA * @last_signal: signal of last received frame from this STA + * @avg_signal: moving average of signal of received frames from this STA * @last_seq_ctrl: last received seq/frag number from this STA (per RX queue) * @tx_filtered_count: number of frames the hardware filtered for this STA * @tx_retry_failed: number of frames that failed retry @@ -291,6 +295,7 @@ struct sta_info { unsigned long rx_fragments; unsigned long rx_dropped; int last_signal; + struct ewma avg_signal; __le16 last_seq_ctrl[NUM_RX_DATA_QUEUES]; /* Updated from TX status path only, no locking requirements */ diff --git a/net/mac80211/status.c b/net/mac80211/status.c index 4958710..38a7972 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -155,10 +155,6 @@ static void ieee80211_frame_acked(struct sta_info *sta, struct sk_buff *skb) ieee80211_queue_work(&local->hw, &local->recalc_smps); } - - if ((sdata->vif.type == NL80211_IFTYPE_STATION) && - (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)) - ieee80211_sta_tx_notify(sdata, (void *) skb->data); } /* @@ -186,6 +182,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) int retry_count = -1, i; int rates_idx = -1; bool send_to_cooked; + bool acked; for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) { /* the HW cannot have attempted that rate */ @@ -211,8 +208,8 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) if (memcmp(hdr->addr2, sta->sdata->vif.addr, ETH_ALEN)) continue; - if (!(info->flags & IEEE80211_TX_STAT_ACK) && - test_sta_flags(sta, WLAN_STA_PS_STA)) { + acked = !!(info->flags & IEEE80211_TX_STAT_ACK); + if (!acked && test_sta_flags(sta, WLAN_STA_PS_STA)) { /* * The STA is in power save mode, so assume * that this TX packet failed because of that. @@ -244,7 +241,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) rcu_read_unlock(); return; } else { - if (!(info->flags & IEEE80211_TX_STAT_ACK)) + if (!acked) sta->tx_retry_failed++; sta->tx_retry_count += retry_count; } @@ -253,10 +250,13 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) if (ieee80211_vif_is_mesh(&sta->sdata->vif)) ieee80211s_update_metric(local, sta, skb); - if (!(info->flags & IEEE80211_TX_CTL_INJECTED) && - (info->flags & IEEE80211_TX_STAT_ACK)) + if (!(info->flags & IEEE80211_TX_CTL_INJECTED) && acked) ieee80211_frame_acked(sta, skb); + if ((sta->sdata->vif.type == NL80211_IFTYPE_STATION) && + (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)) + ieee80211_sta_tx_notify(sta->sdata, (void *) skb->data, acked); + if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) { if (info->flags & IEEE80211_TX_STAT_ACK) { if (sta->lost_packets) diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 2ba7426..d2b4b67 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -539,7 +539,11 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx) ieee80211_is_robust_mgmt_frame(hdr) && (key = rcu_dereference(tx->sdata->default_mgmt_key))) tx->key = key; - else if ((key = rcu_dereference(tx->sdata->default_key))) + else if (is_multicast_ether_addr(hdr->addr1) && + (key = rcu_dereference(tx->sdata->default_multicast_key))) + tx->key = key; + else if (!is_multicast_ether_addr(hdr->addr1) && + (key = rcu_dereference(tx->sdata->default_unicast_key))) tx->key = key; else if (tx->sdata->drop_unencrypted && (tx->skb->protocol != tx->sdata->control_port_protocol) && @@ -666,10 +670,11 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx) if (unlikely(info->control.rates[0].idx < 0)) return TX_DROP; - if (txrc.reported_rate.idx < 0) + if (txrc.reported_rate.idx < 0) { txrc.reported_rate = info->control.rates[0]; - - if (tx->sta) + if (tx->sta && ieee80211_is_data(hdr->frame_control)) + tx->sta->last_tx_rate = txrc.reported_rate; + } else if (tx->sta) tx->sta->last_tx_rate = txrc.reported_rate; if (unlikely(!info->control.rates[0].count)) @@ -1541,8 +1546,10 @@ static int ieee80211_skb_resize(struct ieee80211_local *local, if (skb_header_cloned(skb)) I802_DEBUG_INC(local->tx_expand_skb_head_cloned); - else + else if (head_need || tail_need) I802_DEBUG_INC(local->tx_expand_skb_head); + else + return 0; if (pskb_expand_head(skb, head_need, tail_need, GFP_ATOMIC)) { wiphy_debug(local->hw.wiphy, @@ -1734,7 +1741,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_local *local = sdata->local; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_tx_info *info; int ret = NETDEV_TX_BUSY, head_need; u16 ethertype, hdrlen, meshhdrlen = 0; __le16 fc; @@ -1745,15 +1752,13 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, int nh_pos, h_pos; struct sta_info *sta = NULL; u32 sta_flags = 0; + struct sk_buff *tmp_skb; if (unlikely(skb->len < ETH_HLEN)) { ret = NETDEV_TX_OK; goto fail; } - nh_pos = skb_network_header(skb) - skb->data; - h_pos = skb_transport_header(skb) - skb->data; - /* convert Ethernet header to proper 802.11 header (based on * operation mode) */ ethertype = (skb->data[12] << 8) | skb->data[13]; @@ -1808,7 +1813,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, hdrlen = ieee80211_fill_mesh_addresses(&hdr, &fc, skb->data, skb->data + ETH_ALEN); meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr, - sdata, NULL, NULL, NULL); + sdata, NULL, NULL); } else { /* packet from other interface */ struct mesh_path *mppath; @@ -1841,13 +1846,11 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, ieee80211_new_mesh_header(&mesh_hdr, sdata, skb->data + ETH_ALEN, - NULL, NULL); else meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr, sdata, - NULL, skb->data, skb->data + ETH_ALEN); @@ -1926,6 +1929,20 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, goto fail; } + /* + * If the skb is shared we need to obtain our own copy. + */ + if (skb_shared(skb)) { + tmp_skb = skb; + skb = skb_clone(skb, GFP_ATOMIC); + kfree_skb(tmp_skb); + + if (!skb) { + ret = NETDEV_TX_OK; + goto fail; + } + } + hdr.frame_control = fc; hdr.duration_id = 0; hdr.seq_ctrl = 0; @@ -1944,6 +1961,9 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, encaps_len = 0; } + nh_pos = skb_network_header(skb) - skb->data; + h_pos = skb_transport_header(skb) - skb->data; + skb_pull(skb, skip_header_bytes); nh_pos -= skip_header_bytes; h_pos -= skip_header_bytes; @@ -2010,6 +2030,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, skb_set_network_header(skb, nh_pos); skb_set_transport_header(skb, h_pos); + info = IEEE80211_SKB_CB(skb); memset(info, 0, sizeof(*info)); dev->trans_start = jiffies; @@ -2270,7 +2291,8 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, u8 *pos; /* headroom, head length, tail length and maximum TIM length */ - skb = dev_alloc_skb(local->tx_headroom + 400); + skb = dev_alloc_skb(local->tx_headroom + 400 + + sdata->u.mesh.vendor_ie_len); if (!skb) goto out; diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c index 58e75bb..28bc084 100644 --- a/net/mac80211/wme.c +++ b/net/mac80211/wme.c @@ -59,26 +59,22 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, { struct ieee80211_local *local = sdata->local; struct sta_info *sta = NULL; - u32 sta_flags = 0; const u8 *ra = NULL; bool qos = false; if (local->hw.queues < 4 || skb->len < 6) { skb->priority = 0; /* required for correct WPA/11i MIC */ - return min_t(u16, local->hw.queues - 1, - ieee802_1d_to_ac[skb->priority]); + return min_t(u16, local->hw.queues - 1, IEEE80211_AC_BE); } rcu_read_lock(); switch (sdata->vif.type) { case NL80211_IFTYPE_AP_VLAN: - rcu_read_lock(); sta = rcu_dereference(sdata->u.vlan.sta); - if (sta) - sta_flags = get_sta_flags(sta); - rcu_read_unlock(); - if (sta) + if (sta) { + qos = get_sta_flags(sta) & WLAN_STA_WME; break; + } case NL80211_IFTYPE_AP: ra = skb->data; break; @@ -107,17 +103,13 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, if (!sta && ra && !is_multicast_ether_addr(ra)) { sta = sta_info_get(sdata, ra); if (sta) - sta_flags = get_sta_flags(sta); + qos = get_sta_flags(sta) & WLAN_STA_WME; } - - if (sta_flags & WLAN_STA_WME) - qos = true; - rcu_read_unlock(); if (!qos) { skb->priority = 0; /* required for correct WPA/11i MIC */ - return ieee802_1d_to_ac[skb->priority]; + return IEEE80211_AC_BE; } /* use the data classifier to determine what 802.1d tag the diff --git a/net/mac80211/work.c b/net/mac80211/work.c index 2b5c3f2..36305e0 100644 --- a/net/mac80211/work.c +++ b/net/mac80211/work.c @@ -458,8 +458,9 @@ ieee80211_direct_probe(struct ieee80211_work *wk) return WORK_ACT_TIMEOUT; } - printk(KERN_DEBUG "%s: direct probe to %pM (try %d)\n", - sdata->name, wk->filter_ta, wk->probe_auth.tries); + printk(KERN_DEBUG "%s: direct probe to %pM (try %d/%i)\n", + sdata->name, wk->filter_ta, wk->probe_auth.tries, + IEEE80211_AUTH_MAX_TRIES); /* * Direct probe is sent to broadcast address as some APs @@ -1073,11 +1074,13 @@ void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata) { struct ieee80211_local *local = sdata->local; struct ieee80211_work *wk; + bool cleanup = false; mutex_lock(&local->mtx); list_for_each_entry(wk, &local->work_list, list) { if (wk->sdata != sdata) continue; + cleanup = true; wk->type = IEEE80211_WORK_ABORT; wk->started = true; wk->timeout = jiffies; @@ -1085,7 +1088,8 @@ void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata) mutex_unlock(&local->mtx); /* run cleanups etc. */ - ieee80211_work_work(&local->work_work); + if (cleanup) + ieee80211_work_work(&local->work_work); mutex_lock(&local->mtx); list_for_each_entry(wk, &local->work_list, list) { diff --git a/net/wireless/Makefile b/net/wireless/Makefile index e77e508..55a28ab 100644 --- a/net/wireless/Makefile +++ b/net/wireless/Makefile @@ -10,7 +10,7 @@ obj-$(CONFIG_WEXT_SPY) += wext-spy.o obj-$(CONFIG_WEXT_PRIV) += wext-priv.o cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o scan.o nl80211.o -cfg80211-y += mlme.o ibss.o sme.o chan.o ethtool.o +cfg80211-y += mlme.o ibss.o sme.o chan.o ethtool.o mesh.o cfg80211-$(CONFIG_CFG80211_DEBUGFS) += debugfs.o cfg80211-$(CONFIG_CFG80211_WEXT) += wext-compat.o wext-sme.o cfg80211-$(CONFIG_CFG80211_INTERNAL_REGDB) += regdb.o diff --git a/net/wireless/core.c b/net/wireless/core.c index 630bcf0..e9a5f8c 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -332,6 +332,7 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv) WARN_ON(ops->add_virtual_intf && !ops->del_virtual_intf); WARN_ON(ops->add_station && !ops->del_station); WARN_ON(ops->add_mpath && !ops->del_mpath); + WARN_ON(ops->join_mesh && !ops->leave_mesh); alloc_size = sizeof(*rdev) + sizeof_priv; @@ -752,6 +753,9 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb, cfg80211_mlme_down(rdev, dev); wdev_unlock(wdev); break; + case NL80211_IFTYPE_MESH_POINT: + cfg80211_leave_mesh(rdev, dev); + break; default: break; } @@ -775,20 +779,37 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb, } cfg80211_lock_rdev(rdev); mutex_lock(&rdev->devlist_mtx); -#ifdef CONFIG_CFG80211_WEXT wdev_lock(wdev); switch (wdev->iftype) { +#ifdef CONFIG_CFG80211_WEXT case NL80211_IFTYPE_ADHOC: cfg80211_ibss_wext_join(rdev, wdev); break; case NL80211_IFTYPE_STATION: cfg80211_mgd_wext_connect(rdev, wdev); break; +#endif +#ifdef CONFIG_MAC80211_MESH + case NL80211_IFTYPE_MESH_POINT: + { + /* backward compat code... */ + struct mesh_setup setup; + memcpy(&setup, &default_mesh_setup, + sizeof(setup)); + /* back compat only needed for mesh_id */ + setup.mesh_id = wdev->ssid; + setup.mesh_id_len = wdev->mesh_id_up_len; + if (wdev->mesh_id_up_len) + __cfg80211_join_mesh(rdev, dev, + &setup, + &default_mesh_config); + break; + } +#endif default: break; } wdev_unlock(wdev); -#endif rdev->opencount++; mutex_unlock(&rdev->devlist_mtx); cfg80211_unlock_rdev(rdev); diff --git a/net/wireless/core.h b/net/wireless/core.h index ee80ad8..26a0a08 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -285,6 +285,20 @@ void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid); int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, struct wireless_dev *wdev); +/* mesh */ +extern const struct mesh_config default_mesh_config; +extern const struct mesh_setup default_mesh_setup; +int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, + struct net_device *dev, + const struct mesh_setup *setup, + const struct mesh_config *conf); +int cfg80211_join_mesh(struct cfg80211_registered_device *rdev, + struct net_device *dev, + const struct mesh_setup *setup, + const struct mesh_config *conf); +int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, + struct net_device *dev); + /* MLME */ int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, struct net_device *dev, diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c new file mode 100644 index 0000000..73e39c1 --- /dev/null +++ b/net/wireless/mesh.c @@ -0,0 +1,142 @@ +#include <linux/ieee80211.h> +#include <net/cfg80211.h> +#include "core.h" + +/* Default values, timeouts in ms */ +#define MESH_TTL 31 +#define MESH_DEFAULT_ELEMENT_TTL 31 +#define MESH_MAX_RETR 3 +#define MESH_RET_T 100 +#define MESH_CONF_T 100 +#define MESH_HOLD_T 100 + +#define MESH_PATH_TIMEOUT 5000 + +/* + * Minimum interval between two consecutive PREQs originated by the same + * interface + */ +#define MESH_PREQ_MIN_INT 10 +#define MESH_DIAM_TRAVERSAL_TIME 50 + +/* + * A path will be refreshed if it is used PATH_REFRESH_TIME milliseconds + * before timing out. This way it will remain ACTIVE and no data frames + * will be unnecessarily held in the pending queue. + */ +#define MESH_PATH_REFRESH_TIME 1000 +#define MESH_MIN_DISCOVERY_TIMEOUT (2 * MESH_DIAM_TRAVERSAL_TIME) + +/* Default maximum number of established plinks per interface */ +#define MESH_MAX_ESTAB_PLINKS 32 + +#define MESH_MAX_PREQ_RETRIES 4 + + +const struct mesh_config default_mesh_config = { + .dot11MeshRetryTimeout = MESH_RET_T, + .dot11MeshConfirmTimeout = MESH_CONF_T, + .dot11MeshHoldingTimeout = MESH_HOLD_T, + .dot11MeshMaxRetries = MESH_MAX_RETR, + .dot11MeshTTL = MESH_TTL, + .element_ttl = MESH_DEFAULT_ELEMENT_TTL, + .auto_open_plinks = true, + .dot11MeshMaxPeerLinks = MESH_MAX_ESTAB_PLINKS, + .dot11MeshHWMPactivePathTimeout = MESH_PATH_TIMEOUT, + .dot11MeshHWMPpreqMinInterval = MESH_PREQ_MIN_INT, + .dot11MeshHWMPnetDiameterTraversalTime = MESH_DIAM_TRAVERSAL_TIME, + .dot11MeshHWMPmaxPREQretries = MESH_MAX_PREQ_RETRIES, + .path_refresh_time = MESH_PATH_REFRESH_TIME, + .min_discovery_timeout = MESH_MIN_DISCOVERY_TIMEOUT, +}; + +const struct mesh_setup default_mesh_setup = { + .path_sel_proto = IEEE80211_PATH_PROTOCOL_HWMP, + .path_metric = IEEE80211_PATH_METRIC_AIRTIME, + .vendor_ie = NULL, + .vendor_ie_len = 0, +}; + +int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, + struct net_device *dev, + const struct mesh_setup *setup, + const struct mesh_config *conf) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + int err; + + BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != IEEE80211_MAX_MESH_ID_LEN); + + ASSERT_WDEV_LOCK(wdev); + + if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) + return -EOPNOTSUPP; + + if (wdev->mesh_id_len) + return -EALREADY; + + if (!setup->mesh_id_len) + return -EINVAL; + + if (!rdev->ops->join_mesh) + return -EOPNOTSUPP; + + err = rdev->ops->join_mesh(&rdev->wiphy, dev, conf, setup); + if (!err) { + memcpy(wdev->ssid, setup->mesh_id, setup->mesh_id_len); + wdev->mesh_id_len = setup->mesh_id_len; + } + + return err; +} + +int cfg80211_join_mesh(struct cfg80211_registered_device *rdev, + struct net_device *dev, + const struct mesh_setup *setup, + const struct mesh_config *conf) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + int err; + + wdev_lock(wdev); + err = __cfg80211_join_mesh(rdev, dev, setup, conf); + wdev_unlock(wdev); + + return err; +} + +static int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, + struct net_device *dev) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + int err; + + ASSERT_WDEV_LOCK(wdev); + + if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) + return -EOPNOTSUPP; + + if (!rdev->ops->leave_mesh) + return -EOPNOTSUPP; + + if (!wdev->mesh_id_len) + return -ENOTCONN; + + err = rdev->ops->leave_mesh(&rdev->wiphy, dev); + if (!err) + wdev->mesh_id_len = 0; + return err; +} + +int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, + struct net_device *dev) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + int err; + + wdev_lock(wdev); + err = __cfg80211_leave_mesh(rdev, dev); + wdev_unlock(wdev); + + return err; +} diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index d7680f2..aa5df88 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -263,6 +263,28 @@ void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len) } EXPORT_SYMBOL(cfg80211_send_disassoc); +void cfg80211_send_unprot_deauth(struct net_device *dev, const u8 *buf, + size_t len) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct wiphy *wiphy = wdev->wiphy; + struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + + nl80211_send_unprot_deauth(rdev, dev, buf, len, GFP_ATOMIC); +} +EXPORT_SYMBOL(cfg80211_send_unprot_deauth); + +void cfg80211_send_unprot_disassoc(struct net_device *dev, const u8 *buf, + size_t len) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct wiphy *wiphy = wdev->wiphy; + struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + + nl80211_send_unprot_disassoc(rdev, dev, buf, len, GFP_ATOMIC); +} +EXPORT_SYMBOL(cfg80211_send_unprot_disassoc); + static void __cfg80211_auth_remove(struct wireless_dev *wdev, const u8 *addr) { int i; diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 960be4e..9b62710 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -121,8 +121,9 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 }, [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY, .len = NL80211_MAX_SUPP_RATES }, + [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 }, - [NL80211_ATTR_MESH_PARAMS] = { .type = NLA_NESTED }, + [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, [NL80211_ATTR_HT_CAPABILITY] = { .type = NLA_BINARY, .len = NL80211_HT_CAPABILITY_LEN }, @@ -170,6 +171,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, + [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, }; /* policy for the key attributes */ @@ -181,6 +183,14 @@ static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, [NL80211_KEY_TYPE] = { .type = NLA_U32 }, + [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, +}; + +/* policy for the key default flags */ +static const struct nla_policy +nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { + [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, + [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, }; /* ifidx get helper */ @@ -313,6 +323,7 @@ struct key_parse { int idx; int type; bool def, defmgmt; + bool def_uni, def_multi; }; static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) @@ -326,6 +337,13 @@ static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) k->def = !!tb[NL80211_KEY_DEFAULT]; k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; + if (k->def) { + k->def_uni = true; + k->def_multi = true; + } + if (k->defmgmt) + k->def_multi = true; + if (tb[NL80211_KEY_IDX]) k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); @@ -348,6 +366,19 @@ static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) return -EINVAL; } + if (tb[NL80211_KEY_DEFAULT_TYPES]) { + struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; + int err = nla_parse_nested(kdt, + NUM_NL80211_KEY_DEFAULT_TYPES - 1, + tb[NL80211_KEY_DEFAULT_TYPES], + nl80211_key_default_policy); + if (err) + return err; + + k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; + k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; + } + return 0; } @@ -372,12 +403,32 @@ static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; + if (k->def) { + k->def_uni = true; + k->def_multi = true; + } + if (k->defmgmt) + k->def_multi = true; + if (info->attrs[NL80211_ATTR_KEY_TYPE]) { k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) return -EINVAL; } + if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { + struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; + int err = nla_parse_nested( + kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, + info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], + nl80211_key_default_policy); + if (err) + return err; + + k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; + k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; + } + return 0; } @@ -400,6 +451,11 @@ static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) if (k->def && k->defmgmt) return -EINVAL; + if (k->defmgmt) { + if (k->def_uni || !k->def_multi) + return -EINVAL; + } + if (k->idx != -1) { if (k->defmgmt) { if (k->idx < 4 || k->idx > 5) @@ -449,6 +505,8 @@ nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, goto error; def = 1; result->def = parse.idx; + if (!parse.def_uni || !parse.def_multi) + goto error; } else if (parse.defmgmt) goto error; err = cfg80211_validate_key_settings(rdev, &parse.p, @@ -547,7 +605,13 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, if (dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE); - if (dev->ops->get_antenna) { + NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, + dev->wiphy.available_antennas_tx); + NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, + dev->wiphy.available_antennas_rx); + + if ((dev->wiphy.available_antennas_tx || + dev->wiphy.available_antennas_rx) && dev->ops->get_antenna) { u32 tx_ant = 0, rx_ant = 0; int res; res = dev->ops->get_antenna(&dev->wiphy, &tx_ant, &rx_ant); @@ -661,13 +725,14 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, CMD(add_beacon, NEW_BEACON); CMD(add_station, NEW_STATION); CMD(add_mpath, NEW_MPATH); - CMD(set_mesh_params, SET_MESH_PARAMS); + CMD(update_mesh_config, SET_MESH_CONFIG); CMD(change_bss, SET_BSS); CMD(auth, AUTHENTICATE); CMD(assoc, ASSOCIATE); CMD(deauth, DEAUTHENTICATE); CMD(disassoc, DISASSOCIATE); CMD(join_ibss, JOIN_IBSS); + CMD(join_mesh, JOIN_MESH); CMD(set_pmksa, SET_PMKSA); CMD(del_pmksa, DEL_PMKSA); CMD(flush_pmksa, FLUSH_PMKSA); @@ -696,6 +761,10 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, nla_nest_end(msg, nl_cmds); + if (dev->ops->remain_on_channel) + NLA_PUT_U32(msg, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, + dev->wiphy.max_remain_on_channel_duration); + /* for now at least assume all drivers have it */ if (dev->ops->mgmt_tx) NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK); @@ -1044,7 +1113,9 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { u32 tx_ant, rx_ant; - if (!rdev->ops->set_antenna) { + if ((!rdev->wiphy.available_antennas_tx && + !rdev->wiphy.available_antennas_rx) || + !rdev->ops->set_antenna) { result = -EOPNOTSUPP; goto bad_res; } @@ -1052,6 +1123,17 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); + /* reject antenna configurations which don't match the + * available antenna masks, except for the "all" mask */ + if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || + (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) { + result = -EINVAL; + goto bad_res; + } + + tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; + rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; + result = rdev->ops->set_antenna(&rdev->wiphy, tx_ant, rx_ant); if (result) goto bad_res; @@ -1324,11 +1406,21 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) } if (info->attrs[NL80211_ATTR_MESH_ID]) { + struct wireless_dev *wdev = dev->ieee80211_ptr; + if (ntype != NL80211_IFTYPE_MESH_POINT) return -EINVAL; - params.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); - params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); - change = true; + if (netif_running(dev)) + return -EBUSY; + + wdev_lock(wdev); + BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != + IEEE80211_MAX_MESH_ID_LEN); + wdev->mesh_id_up_len = + nla_len(info->attrs[NL80211_ATTR_MESH_ID]); + memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), + wdev->mesh_id_up_len); + wdev_unlock(wdev); } if (info->attrs[NL80211_ATTR_4ADDR]) { @@ -1368,6 +1460,7 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct vif_params params; + struct net_device *dev; int err; enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; u32 flags; @@ -1387,12 +1480,6 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) !(rdev->wiphy.interface_modes & (1 << type))) return -EOPNOTSUPP; - if (type == NL80211_IFTYPE_MESH_POINT && - info->attrs[NL80211_ATTR_MESH_ID]) { - params.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); - params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); - } - if (info->attrs[NL80211_ATTR_4ADDR]) { params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); @@ -1403,11 +1490,27 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, &flags); - err = rdev->ops->add_virtual_intf(&rdev->wiphy, + dev = rdev->ops->add_virtual_intf(&rdev->wiphy, nla_data(info->attrs[NL80211_ATTR_IFNAME]), type, err ? NULL : &flags, ¶ms); + if (IS_ERR(dev)) + return PTR_ERR(dev); - return err; + if (type == NL80211_IFTYPE_MESH_POINT && + info->attrs[NL80211_ATTR_MESH_ID]) { + struct wireless_dev *wdev = dev->ieee80211_ptr; + + wdev_lock(wdev); + BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != + IEEE80211_MAX_MESH_ID_LEN); + wdev->mesh_id_up_len = + nla_len(info->attrs[NL80211_ATTR_MESH_ID]); + memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), + wdev->mesh_id_up_len); + wdev_unlock(wdev); + } + + return 0; } static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) @@ -1552,8 +1655,6 @@ static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) struct key_parse key; int err; struct net_device *dev = info->user_ptr[1]; - int (*func)(struct wiphy *wiphy, struct net_device *netdev, - u8 key_index); err = nl80211_parse_key(info, &key); if (err) @@ -1566,27 +1667,61 @@ static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) if (!key.def && !key.defmgmt) return -EINVAL; - if (key.def) - func = rdev->ops->set_default_key; - else - func = rdev->ops->set_default_mgmt_key; + wdev_lock(dev->ieee80211_ptr); - if (!func) - return -EOPNOTSUPP; + if (key.def) { + if (!rdev->ops->set_default_key) { + err = -EOPNOTSUPP; + goto out; + } - wdev_lock(dev->ieee80211_ptr); - err = nl80211_key_allowed(dev->ieee80211_ptr); - if (!err) - err = func(&rdev->wiphy, dev, key.idx); + err = nl80211_key_allowed(dev->ieee80211_ptr); + if (err) + goto out; + + if (!(rdev->wiphy.flags & + WIPHY_FLAG_SUPPORTS_SEPARATE_DEFAULT_KEYS)) { + if (!key.def_uni || !key.def_multi) { + err = -EOPNOTSUPP; + goto out; + } + } + + err = rdev->ops->set_default_key(&rdev->wiphy, dev, key.idx, + key.def_uni, key.def_multi); + + if (err) + goto out; #ifdef CONFIG_CFG80211_WEXT - if (!err) { - if (func == rdev->ops->set_default_key) - dev->ieee80211_ptr->wext.default_key = key.idx; - else - dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; - } + dev->ieee80211_ptr->wext.default_key = key.idx; +#endif + } else { + if (key.def_uni || !key.def_multi) { + err = -EINVAL; + goto out; + } + + if (!rdev->ops->set_default_mgmt_key) { + err = -EOPNOTSUPP; + goto out; + } + + err = nl80211_key_allowed(dev->ieee80211_ptr); + if (err) + goto out; + + err = rdev->ops->set_default_mgmt_key(&rdev->wiphy, + dev, key.idx); + if (err) + goto out; + +#ifdef CONFIG_CFG80211_WEXT + dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; #endif + } + + out: wdev_unlock(dev->ieee80211_ptr); return err; @@ -1874,6 +2009,9 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, if (sinfo->filled & STATION_INFO_SIGNAL) NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL, sinfo->signal); + if (sinfo->filled & STATION_INFO_SIGNAL_AVG) + NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL_AVG, + sinfo->signal_avg); if (sinfo->filled & STATION_INFO_TX_BITRATE) { txrate = nla_nest_start(msg, NL80211_STA_INFO_TX_BITRATE); if (!txrate) @@ -2437,6 +2575,7 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) params.use_short_preamble = -1; params.use_short_slot_time = -1; params.ap_isolate = -1; + params.ht_opmode = -1; if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) params.use_cts_prot = @@ -2455,6 +2594,9 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) } if (info->attrs[NL80211_ATTR_AP_ISOLATE]) params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); + if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) + params.ht_opmode = + nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); if (!rdev->ops->change_bss) return -EOPNOTSUPP; @@ -2539,22 +2681,33 @@ static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) return r; } -static int nl80211_get_mesh_params(struct sk_buff *skb, - struct genl_info *info) +static int nl80211_get_mesh_config(struct sk_buff *skb, + struct genl_info *info) { struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct mesh_config cur_params; - int err; struct net_device *dev = info->user_ptr[1]; + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct mesh_config cur_params; + int err = 0; void *hdr; struct nlattr *pinfoattr; struct sk_buff *msg; - if (!rdev->ops->get_mesh_params) + if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) + return -EOPNOTSUPP; + + if (!rdev->ops->get_mesh_config) return -EOPNOTSUPP; - /* Get the mesh params */ - err = rdev->ops->get_mesh_params(&rdev->wiphy, dev, &cur_params); + wdev_lock(wdev); + /* If not connected, get default parameters */ + if (!wdev->mesh_id_len) + memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); + else + err = rdev->ops->get_mesh_config(&rdev->wiphy, dev, + &cur_params); + wdev_unlock(wdev); + if (err) return err; @@ -2563,10 +2716,10 @@ static int nl80211_get_mesh_params(struct sk_buff *skb, if (!msg) return -ENOMEM; hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, - NL80211_CMD_GET_MESH_PARAMS); + NL80211_CMD_GET_MESH_CONFIG); if (!hdr) goto nla_put_failure; - pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_PARAMS); + pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); if (!pinfoattr) goto nla_put_failure; NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); @@ -2582,6 +2735,8 @@ static int nl80211_get_mesh_params(struct sk_buff *skb, cur_params.dot11MeshMaxRetries); NLA_PUT_U8(msg, NL80211_MESHCONF_TTL, cur_params.dot11MeshTTL); + NLA_PUT_U8(msg, NL80211_MESHCONF_ELEMENT_TTL, + cur_params.element_ttl); NLA_PUT_U8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, cur_params.auto_open_plinks); NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, @@ -2608,14 +2763,6 @@ static int nl80211_get_mesh_params(struct sk_buff *skb, return -ENOBUFS; } -#define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \ -do {\ - if (table[attr_num]) {\ - cfg.param = nla_fn(table[attr_num]); \ - mask |= (1 << (attr_num - 1)); \ - } \ -} while (0);\ - static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, @@ -2623,6 +2770,7 @@ static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_A [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, + [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, @@ -2633,31 +2781,42 @@ static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_A [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, }; -static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info) +static const struct nla_policy + nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { + [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, + [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, + [NL80211_MESH_SETUP_VENDOR_PATH_SEL_IE] = { .type = NLA_BINARY, + .len = IEEE80211_MAX_DATA_LEN }, +}; + +static int nl80211_parse_mesh_config(struct genl_info *info, + struct mesh_config *cfg, + u32 *mask_out) { - u32 mask; - struct cfg80211_registered_device *rdev = info->user_ptr[0]; - struct net_device *dev = info->user_ptr[1]; - struct mesh_config cfg; struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; - struct nlattr *parent_attr; + u32 mask = 0; + +#define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \ +do {\ + if (table[attr_num]) {\ + cfg->param = nla_fn(table[attr_num]); \ + mask |= (1 << (attr_num - 1)); \ + } \ +} while (0);\ - parent_attr = info->attrs[NL80211_ATTR_MESH_PARAMS]; - if (!parent_attr) + + if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) return -EINVAL; if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, - parent_attr, nl80211_meshconf_params_policy)) + info->attrs[NL80211_ATTR_MESH_CONFIG], + nl80211_meshconf_params_policy)) return -EINVAL; - if (!rdev->ops->set_mesh_params) - return -EOPNOTSUPP; - /* This makes sure that there aren't more than 32 mesh config * parameters (otherwise our bitfield scheme would not work.) */ BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); /* Fill in the params struct */ - mask = 0; FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask, NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16); FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, @@ -2670,6 +2829,8 @@ static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info) mask, NL80211_MESHCONF_MAX_RETRIES, nla_get_u8); FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask, NL80211_MESHCONF_TTL, nla_get_u8); + FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, + mask, NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8); FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, nla_get_u8); FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, @@ -2694,12 +2855,82 @@ static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info) dot11MeshHWMPRootMode, mask, NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8); + if (mask_out) + *mask_out = mask; - /* Apply changes */ - return rdev->ops->set_mesh_params(&rdev->wiphy, dev, &cfg, mask); -} + return 0; #undef FILL_IN_MESH_PARAM_IF_SET +} + +static int nl80211_parse_mesh_setup(struct genl_info *info, + struct mesh_setup *setup) +{ + struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; + + if (!info->attrs[NL80211_ATTR_MESH_SETUP]) + return -EINVAL; + if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, + info->attrs[NL80211_ATTR_MESH_SETUP], + nl80211_mesh_setup_params_policy)) + return -EINVAL; + + if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) + setup->path_sel_proto = + (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? + IEEE80211_PATH_PROTOCOL_VENDOR : + IEEE80211_PATH_PROTOCOL_HWMP; + + if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) + setup->path_metric = + (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? + IEEE80211_PATH_METRIC_VENDOR : + IEEE80211_PATH_METRIC_AIRTIME; + + if (tb[NL80211_MESH_SETUP_VENDOR_PATH_SEL_IE]) { + struct nlattr *ieattr = + tb[NL80211_MESH_SETUP_VENDOR_PATH_SEL_IE]; + if (!is_valid_ie_attr(ieattr)) + return -EINVAL; + setup->vendor_ie = nla_data(ieattr); + setup->vendor_ie_len = nla_len(ieattr); + } + + return 0; +} + +static int nl80211_update_mesh_config(struct sk_buff *skb, + struct genl_info *info) +{ + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct mesh_config cfg; + u32 mask; + int err; + + if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) + return -EOPNOTSUPP; + + if (!rdev->ops->update_mesh_config) + return -EOPNOTSUPP; + + err = nl80211_parse_mesh_config(info, &cfg, &mask); + if (err) + return err; + + wdev_lock(wdev); + if (!wdev->mesh_id_len) + err = -ENOLINK; + + if (!err) + err = rdev->ops->update_mesh_config(&rdev->wiphy, dev, + mask, &cfg); + + wdev_unlock(wdev); + + return err; +} static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) { @@ -4053,7 +4284,8 @@ static int nl80211_remain_on_channel(struct sk_buff *skb, * We should be on that channel for at least one jiffie, * and more than 5 seconds seems excessive. */ - if (!duration || !msecs_to_jiffies(duration) || duration > 5000) + if (!duration || !msecs_to_jiffies(duration) || + duration > rdev->wiphy.max_remain_on_channel_duration) return -EINVAL; if (!rdev->ops->remain_on_channel) @@ -4221,6 +4453,7 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) return -EOPNOTSUPP; @@ -4261,6 +4494,7 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) return -EOPNOTSUPP; @@ -4482,6 +4716,50 @@ out: return err; } +static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; + struct mesh_config cfg; + struct mesh_setup setup; + int err; + + /* start with default */ + memcpy(&cfg, &default_mesh_config, sizeof(cfg)); + memcpy(&setup, &default_mesh_setup, sizeof(setup)); + + if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { + /* and parse parameters if given */ + err = nl80211_parse_mesh_config(info, &cfg, NULL); + if (err) + return err; + } + + if (!info->attrs[NL80211_ATTR_MESH_ID] || + !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) + return -EINVAL; + + setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); + setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); + + if (info->attrs[NL80211_ATTR_MESH_SETUP]) { + /* parse additional setup parameters if given */ + err = nl80211_parse_mesh_setup(info, &setup); + if (err) + return err; + } + + return cfg80211_join_mesh(rdev, dev, &setup, &cfg); +} + +static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; + + return cfg80211_leave_mesh(rdev, dev); +} + #define NL80211_FLAG_NEED_WIPHY 0x01 #define NL80211_FLAG_NEED_NETDEV 0x02 #define NL80211_FLAG_NEED_RTNL 0x04 @@ -4737,19 +5015,19 @@ static struct genl_ops nl80211_ops[] = { .flags = GENL_ADMIN_PERM, }, { - .cmd = NL80211_CMD_GET_MESH_PARAMS, - .doit = nl80211_get_mesh_params, + .cmd = NL80211_CMD_GET_MESH_CONFIG, + .doit = nl80211_get_mesh_config, .policy = nl80211_policy, /* can be retrieved by unprivileged users */ .internal_flags = NL80211_FLAG_NEED_NETDEV | NL80211_FLAG_NEED_RTNL, }, { - .cmd = NL80211_CMD_SET_MESH_PARAMS, - .doit = nl80211_set_mesh_params, + .cmd = NL80211_CMD_SET_MESH_CONFIG, + .doit = nl80211_update_mesh_config, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | NL80211_FLAG_NEED_RTNL, }, { @@ -4964,6 +5242,22 @@ static struct genl_ops nl80211_ops[] = { .internal_flags = NL80211_FLAG_NEED_NETDEV | NL80211_FLAG_NEED_RTNL, }, + { + .cmd = NL80211_CMD_JOIN_MESH, + .doit = nl80211_join_mesh, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, + }, + { + .cmd = NL80211_CMD_LEAVE_MESH, + .doit = nl80211_leave_mesh, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, + }, }; static struct genl_multicast_group nl80211_mlme_mcgrp = { @@ -5242,6 +5536,22 @@ void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, NL80211_CMD_DISASSOCIATE, gfp); } +void nl80211_send_unprot_deauth(struct cfg80211_registered_device *rdev, + struct net_device *netdev, const u8 *buf, + size_t len, gfp_t gfp) +{ + nl80211_send_mlme_event(rdev, netdev, buf, len, + NL80211_CMD_UNPROT_DEAUTHENTICATE, gfp); +} + +void nl80211_send_unprot_disassoc(struct cfg80211_registered_device *rdev, + struct net_device *netdev, const u8 *buf, + size_t len, gfp_t gfp) +{ + nl80211_send_mlme_event(rdev, netdev, buf, len, + NL80211_CMD_UNPROT_DISASSOCIATE, gfp); +} + static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, struct net_device *netdev, int cmd, const u8 *addr, gfp_t gfp) diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h index 16c2f71..e3f7fa8 100644 --- a/net/wireless/nl80211.h +++ b/net/wireless/nl80211.h @@ -25,6 +25,12 @@ void nl80211_send_deauth(struct cfg80211_registered_device *rdev, void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, struct net_device *netdev, const u8 *buf, size_t len, gfp_t gfp); +void nl80211_send_unprot_deauth(struct cfg80211_registered_device *rdev, + struct net_device *netdev, + const u8 *buf, size_t len, gfp_t gfp); +void nl80211_send_unprot_disassoc(struct cfg80211_registered_device *rdev, + struct net_device *netdev, + const u8 *buf, size_t len, gfp_t gfp); void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, struct net_device *netdev, const u8 *addr, gfp_t gfp); diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 5ed615f..99d4183 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -661,7 +661,8 @@ static int freq_reg_info_regd(struct wiphy *wiphy, * Follow the driver's regulatory domain, if present, unless a country * IE has been processed or a user wants to help complaince further */ - if (last_request->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE && + if (!custom_regd && + last_request->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE && last_request->initiator != NL80211_REGDOM_SET_BY_USER && wiphy->regd) regd = wiphy->regd; diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 503ebb8..ea427f4 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -464,6 +464,9 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev, if (res->pub.beacon_ies) { size_t used = dev->wiphy.bss_priv_size + sizeof(*res); size_t ielen = res->pub.len_beacon_ies; + bool information_elements_is_beacon_ies = + (found->pub.information_elements == + found->pub.beacon_ies); if (found->pub.beacon_ies && !found->beacon_ies_allocated && @@ -487,6 +490,14 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev, found->pub.len_beacon_ies = ielen; } } + + /* Override IEs if they were from a beacon before */ + if (information_elements_is_beacon_ies) { + found->pub.information_elements = + found->pub.beacon_ies; + found->pub.len_information_elements = + found->pub.len_beacon_ies; + } } kref_put(&res->ref, bss_release); diff --git a/net/wireless/util.c b/net/wireless/util.c index fee020b..7620ae2 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -689,7 +689,8 @@ void cfg80211_upload_connect_keys(struct wireless_dev *wdev) continue; } if (wdev->connect_keys->def == i) - if (rdev->ops->set_default_key(wdev->wiphy, dev, i)) { + if (rdev->ops->set_default_key(wdev->wiphy, dev, + i, true, true)) { netdev_err(dev, "failed to set defkey %d\n", i); continue; } @@ -792,6 +793,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev, if (ntype != otype) { dev->ieee80211_ptr->use_4addr = false; + dev->ieee80211_ptr->mesh_id_up_len = 0; switch (otype) { case NL80211_IFTYPE_ADHOC: diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c index 12222ee..3e5dbd4 100644 --- a/net/wireless/wext-compat.c +++ b/net/wireless/wext-compat.c @@ -548,8 +548,8 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev, __cfg80211_leave_ibss(rdev, wdev->netdev, true); rejoin = true; } - err = rdev->ops->set_default_key(&rdev->wiphy, - dev, idx); + err = rdev->ops->set_default_key(&rdev->wiphy, dev, + idx, true, true); } if (!err) { wdev->wext.default_key = idx; @@ -627,8 +627,8 @@ int cfg80211_wext_siwencode(struct net_device *dev, err = 0; wdev_lock(wdev); if (wdev->current_bss) - err = rdev->ops->set_default_key(&rdev->wiphy, - dev, idx); + err = rdev->ops->set_default_key(&rdev->wiphy, dev, + idx, true, true); if (!err) wdev->wext.default_key = idx; wdev_unlock(wdev); |