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author | John W. Linville <linville@tuxdriver.com> | 2013-02-19 14:56:34 -0500 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2013-02-19 14:56:34 -0500 |
commit | 0b7164458fc184455239ea3676af1b362df1ce1d (patch) | |
tree | 6b968c6ec46e7a949e930de85f75afc337128b97 /net | |
parent | 303c07db487be59ae9fda10600ea65ca11c21497 (diff) | |
parent | b53cf458ea20dd7f5e32611366f63728e40c9021 (diff) | |
download | linux-stable-0b7164458fc184455239ea3676af1b362df1ce1d.tar.gz linux-stable-0b7164458fc184455239ea3676af1b362df1ce1d.tar.bz2 linux-stable-0b7164458fc184455239ea3676af1b362df1ce1d.zip |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Diffstat (limited to 'net')
-rw-r--r-- | net/mac80211/cfg.c | 14 | ||||
-rw-r--r-- | net/mac80211/iface.c | 8 | ||||
-rw-r--r-- | net/mac80211/main.c | 3 | ||||
-rw-r--r-- | net/mac80211/mesh.c | 116 | ||||
-rw-r--r-- | net/mac80211/mesh.h | 105 | ||||
-rw-r--r-- | net/mac80211/mesh_hwmp.c | 68 | ||||
-rw-r--r-- | net/mac80211/mesh_pathtbl.c | 89 | ||||
-rw-r--r-- | net/mac80211/mesh_plink.c | 134 | ||||
-rw-r--r-- | net/mac80211/mesh_sync.c | 47 | ||||
-rw-r--r-- | net/mac80211/rx.c | 12 | ||||
-rw-r--r-- | net/mac80211/sta_info.h | 2 | ||||
-rw-r--r-- | net/mac80211/trace.h | 6 | ||||
-rw-r--r-- | net/mac80211/tx.c | 26 | ||||
-rw-r--r-- | net/wireless/nl80211.c | 9 |
14 files changed, 307 insertions, 332 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 179dcbd8be1c..09d96a8f6c2c 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1500,13 +1500,13 @@ static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, return -ENOENT; } - err = mesh_path_add(dst, sdata); + err = mesh_path_add(sdata, dst); if (err) { rcu_read_unlock(); return err; } - mpath = mesh_path_lookup(dst, sdata); + mpath = mesh_path_lookup(sdata, dst); if (!mpath) { rcu_read_unlock(); return -ENXIO; @@ -1518,12 +1518,12 @@ static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, } static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, - u8 *dst) + u8 *dst) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); if (dst) - return mesh_path_del(dst, sdata); + return mesh_path_del(sdata, dst); mesh_path_flush_by_iface(sdata); return 0; @@ -1547,7 +1547,7 @@ static int ieee80211_change_mpath(struct wiphy *wiphy, return -ENOENT; } - mpath = mesh_path_lookup(dst, sdata); + mpath = mesh_path_lookup(sdata, dst); if (!mpath) { rcu_read_unlock(); return -ENOENT; @@ -1611,7 +1611,7 @@ static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, sdata = IEEE80211_DEV_TO_SUB_IF(dev); rcu_read_lock(); - mpath = mesh_path_lookup(dst, sdata); + mpath = mesh_path_lookup(sdata, dst); if (!mpath) { rcu_read_unlock(); return -ENOENT; @@ -1632,7 +1632,7 @@ static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, sdata = IEEE80211_DEV_TO_SUB_IF(dev); rcu_read_lock(); - mpath = mesh_path_lookup_by_idx(idx, sdata); + mpath = mesh_path_lookup_by_idx(sdata, idx); if (!mpath) { rcu_read_unlock(); return -ENOENT; diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 86c83084542a..2c059e54e885 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -294,7 +294,8 @@ static int ieee80211_check_queues(struct ieee80211_sub_if_data *sdata) } } - if ((sdata->vif.type != NL80211_IFTYPE_AP) || + if ((sdata->vif.type != NL80211_IFTYPE_AP && + sdata->vif.type != NL80211_IFTYPE_MESH_POINT) || !(sdata->local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)) { sdata->vif.cab_queue = IEEE80211_INVAL_HW_QUEUE; return 0; @@ -695,6 +696,9 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, ieee80211_roc_purge(sdata); + if (sdata->vif.type == NL80211_IFTYPE_STATION) + ieee80211_mgd_stop(sdata); + /* * Remove all stations associated with this interface. * @@ -782,8 +786,6 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, } } spin_unlock_irqrestore(&ps->bc_buf.lock, flags); - } else if (sdata->vif.type == NL80211_IFTYPE_STATION) { - ieee80211_mgd_stop(sdata); } if (going_down) diff --git a/net/mac80211/main.c b/net/mac80211/main.c index f9747689d604..d0dd11153a6c 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -1173,8 +1173,7 @@ static void __exit ieee80211_exit(void) rc80211_minstrel_ht_exit(); rc80211_minstrel_exit(); - if (mesh_allocated) - ieee80211s_stop(); + ieee80211s_stop(); ieee80211_iface_exit(); diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index a77d40ed4e61..29ce2aa87e7b 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -17,7 +17,7 @@ #define TMR_RUNNING_MP 1 #define TMR_RUNNING_MPR 2 -int mesh_allocated; +static int mesh_allocated; static struct kmem_cache *rm_cache; bool mesh_action_is_path_sel(struct ieee80211_mgmt *mgmt) @@ -36,6 +36,8 @@ void ieee80211s_init(void) void ieee80211s_stop(void) { + if (!mesh_allocated) + return; mesh_pathtbl_unregister(); kmem_cache_destroy(rm_cache); } @@ -90,24 +92,22 @@ bool mesh_matches_local(struct ieee80211_sub_if_data *sdata, (ifmsh->mesh_cc_id == ie->mesh_config->meshconf_congest) && (ifmsh->mesh_sp_id == ie->mesh_config->meshconf_synch) && (ifmsh->mesh_auth_id == ie->mesh_config->meshconf_auth))) - goto mismatch; + return false; ieee80211_sta_get_rates(local, ie, ieee80211_get_sdata_band(sdata), &basic_rates); if (sdata->vif.bss_conf.basic_rates != basic_rates) - goto mismatch; + return false; ieee80211_ht_oper_to_chandef(sdata->vif.bss_conf.chandef.chan, ie->ht_operation, &sta_chan_def); if (!cfg80211_chandef_compatible(&sdata->vif.bss_conf.chandef, &sta_chan_def)) - goto mismatch; + return false; return true; -mismatch: - return false; } /** @@ -118,7 +118,7 @@ mismatch: bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie) { return (ie->mesh_config->meshconf_cap & - IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS) != 0; + IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS) != 0; } /** @@ -196,11 +196,12 @@ void mesh_rmc_free(struct ieee80211_sub_if_data *sdata) if (!sdata->u.mesh.rmc) return; - for (i = 0; i < RMC_BUCKETS; i++) + for (i = 0; i < RMC_BUCKETS; i++) { list_for_each_entry_safe(p, n, &rmc->bucket[i], list) { list_del(&p->list); kmem_cache_free(rm_cache, p); } + } kfree(rmc); sdata->u.mesh.rmc = NULL; @@ -209,6 +210,7 @@ void mesh_rmc_free(struct ieee80211_sub_if_data *sdata) /** * mesh_rmc_check - Check frame in recent multicast cache and add if absent. * + * @sdata: interface * @sa: source address * @mesh_hdr: mesh_header * @@ -218,8 +220,8 @@ void mesh_rmc_free(struct ieee80211_sub_if_data *sdata) * received this frame lately. If the frame is not in the cache, it is added to * it. */ -int mesh_rmc_check(u8 *sa, struct ieee80211s_hdr *mesh_hdr, - struct ieee80211_sub_if_data *sdata) +int mesh_rmc_check(struct ieee80211_sub_if_data *sdata, + const u8 *sa, struct ieee80211s_hdr *mesh_hdr) { struct mesh_rmc *rmc = sdata->u.mesh.rmc; u32 seqnum = 0; @@ -233,12 +235,11 @@ int mesh_rmc_check(u8 *sa, struct ieee80211s_hdr *mesh_hdr, list_for_each_entry_safe(p, n, &rmc->bucket[idx], list) { ++entries; if (time_after(jiffies, p->exp_time) || - (entries == RMC_QUEUE_MAX_LEN)) { + entries == RMC_QUEUE_MAX_LEN) { list_del(&p->list); kmem_cache_free(rm_cache, p); --entries; - } else if ((seqnum == p->seqnum) && - (ether_addr_equal(sa, p->sa))) + } else if ((seqnum == p->seqnum) && ether_addr_equal(sa, p->sa)) return -1; } @@ -253,8 +254,8 @@ int mesh_rmc_check(u8 *sa, struct ieee80211s_hdr *mesh_hdr, return 0; } -int -mesh_add_meshconf_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata) +int mesh_add_meshconf_ie(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; u8 *pos, neighbors; @@ -285,19 +286,18 @@ mesh_add_meshconf_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata) /* Mesh capability */ *pos = IEEE80211_MESHCONF_CAPAB_FORWARDING; *pos |= ifmsh->accepting_plinks ? - IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS : 0x00; + IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS : 0x00; /* Mesh PS mode. See IEEE802.11-2012 8.4.2.100.8 */ *pos |= ifmsh->ps_peers_deep_sleep ? - IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL : 0x00; + IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL : 0x00; *pos++ |= ifmsh->adjusting_tbtt ? - IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING : 0x00; + IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING : 0x00; *pos++ = 0x00; return 0; } -int -mesh_add_meshid_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata) +int mesh_add_meshid_ie(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; u8 *pos; @@ -314,8 +314,8 @@ mesh_add_meshid_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata) return 0; } -int mesh_add_awake_window_ie(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata) +static int mesh_add_awake_window_ie(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; u8 *pos; @@ -337,8 +337,8 @@ int mesh_add_awake_window_ie(struct sk_buff *skb, return 0; } -int -mesh_add_vendor_ies(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata) +int mesh_add_vendor_ies(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; u8 offset, len; @@ -361,8 +361,7 @@ mesh_add_vendor_ies(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata) return 0; } -int -mesh_add_rsn_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata) +int mesh_add_rsn_ie(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; u8 len = 0; @@ -390,8 +389,8 @@ mesh_add_rsn_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata) return 0; } -int mesh_add_ds_params_ie(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata) +static int mesh_add_ds_params_ie(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb) { struct ieee80211_chanctx_conf *chanctx_conf; struct ieee80211_channel *chan; @@ -417,8 +416,8 @@ int mesh_add_ds_params_ie(struct sk_buff *skb, return 0; } -int mesh_add_ht_cap_ie(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata) +int mesh_add_ht_cap_ie(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb) { struct ieee80211_local *local = sdata->local; enum ieee80211_band band = ieee80211_get_sdata_band(sdata); @@ -439,8 +438,8 @@ int mesh_add_ht_cap_ie(struct sk_buff *skb, return 0; } -int mesh_add_ht_oper_ie(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata) +int mesh_add_ht_oper_ie(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb) { struct ieee80211_local *local = sdata->local; struct ieee80211_chanctx_conf *chanctx_conf; @@ -475,6 +474,7 @@ int mesh_add_ht_oper_ie(struct sk_buff *skb, return 0; } + static void ieee80211_mesh_path_timer(unsigned long data) { struct ieee80211_sub_if_data *sdata = @@ -520,7 +520,7 @@ void ieee80211_mesh_root_setup(struct ieee80211_if_mesh *ifmsh) /** * ieee80211_fill_mesh_addresses - fill addresses of a locally originated mesh frame - * @hdr: 802.11 frame header + * @hdr: 802.11 frame header * @fc: frame control field * @meshda: destination address in the mesh * @meshsa: source address address in the mesh. Same as TA, as frame is @@ -551,8 +551,8 @@ 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 + * @meshhdr: uninitialized mesh header * @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. @@ -561,32 +561,38 @@ int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc, * * Return the header length. */ -int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr, - struct ieee80211_sub_if_data *sdata, char *addr4or5, - char *addr6) +int ieee80211_new_mesh_header(struct ieee80211_sub_if_data *sdata, + struct ieee80211s_hdr *meshhdr, + const char *addr4or5, const char *addr6) { - int aelen = 0; - BUG_ON(!addr4or5 && addr6); + if (WARN_ON(!addr4or5 && addr6)) + return 0; + memset(meshhdr, 0, sizeof(*meshhdr)); + meshhdr->ttl = sdata->u.mesh.mshcfg.dot11MeshTTL; + + /* FIXME: racy -- TX on multiple queues can be concurrent */ put_unaligned(cpu_to_le32(sdata->u.mesh.mesh_seqnum), &meshhdr->seqnum); sdata->u.mesh.mesh_seqnum++; + if (addr4or5 && !addr6) { meshhdr->flags |= MESH_FLAGS_AE_A4; - aelen += ETH_ALEN; memcpy(meshhdr->eaddr1, addr4or5, ETH_ALEN); + return 2 * ETH_ALEN; } else if (addr4or5 && addr6) { meshhdr->flags |= MESH_FLAGS_AE_A5_A6; - aelen += 2 * ETH_ALEN; memcpy(meshhdr->eaddr1, addr4or5, ETH_ALEN); memcpy(meshhdr->eaddr2, addr6, ETH_ALEN); + return 3 * ETH_ALEN; } - return 6 + aelen; + + return ETH_ALEN; } -static void ieee80211_mesh_housekeeping(struct ieee80211_sub_if_data *sdata, - struct ieee80211_if_mesh *ifmsh) +static void ieee80211_mesh_housekeeping(struct ieee80211_sub_if_data *sdata) { + struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; u32 changed; ieee80211_sta_expire(sdata, IEEE80211_MESH_PEER_INACTIVITY_LIMIT); @@ -596,7 +602,8 @@ static void ieee80211_mesh_housekeeping(struct ieee80211_sub_if_data *sdata, ieee80211_mbss_info_change_notify(sdata, changed); mod_timer(&ifmsh->housekeeping_timer, - round_jiffies(jiffies + IEEE80211_MESH_HOUSEKEEPING_INTERVAL)); + round_jiffies(jiffies + + IEEE80211_MESH_HOUSEKEEPING_INTERVAL)); } static void ieee80211_mesh_rootpath(struct ieee80211_sub_if_data *sdata) @@ -708,7 +715,7 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh) *pos++ = 0x0; if (ieee80211_add_srates_ie(sdata, skb, true, band) || - mesh_add_ds_params_ie(skb, sdata)) + mesh_add_ds_params_ie(sdata, skb)) goto out_free; bcn->head_len = skb->len; @@ -719,13 +726,13 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh) bcn->tail = bcn->head + bcn->head_len; if (ieee80211_add_ext_srates_ie(sdata, skb, true, band) || - mesh_add_rsn_ie(skb, sdata) || - mesh_add_ht_cap_ie(skb, sdata) || - mesh_add_ht_oper_ie(skb, sdata) || - mesh_add_meshid_ie(skb, sdata) || - mesh_add_meshconf_ie(skb, sdata) || - mesh_add_awake_window_ie(skb, sdata) || - mesh_add_vendor_ies(skb, sdata)) + mesh_add_rsn_ie(sdata, skb) || + mesh_add_ht_cap_ie(sdata, skb) || + mesh_add_ht_oper_ie(sdata, skb) || + mesh_add_meshid_ie(sdata, skb) || + mesh_add_meshconf_ie(sdata, skb) || + mesh_add_awake_window_ie(sdata, skb) || + mesh_add_vendor_ies(sdata, skb)) goto out_free; bcn->tail_len = skb->len; @@ -918,7 +925,6 @@ ieee80211_mesh_rx_probe_req(struct ieee80211_sub_if_data *sdata, hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP); memcpy(hdr->da, mgmt->sa, ETH_ALEN); - mpl_dbg(sdata, "sending probe resp. to %pM\n", hdr->da); IEEE80211_SKB_CB(presp)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; ieee80211_tx_skb(sdata, presp); out: @@ -1039,7 +1045,7 @@ void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata) mesh_mpp_table_grow(); if (test_and_clear_bit(MESH_WORK_HOUSEKEEPING, &ifmsh->wrkq_flags)) - ieee80211_mesh_housekeeping(sdata, ifmsh); + ieee80211_mesh_housekeeping(sdata); if (test_and_clear_bit(MESH_WORK_ROOT, &ifmsh->wrkq_flags)) ieee80211_mesh_rootpath(sdata); diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h index 1a1da877b1d2..336c88a16687 100644 --- a/net/mac80211/mesh.h +++ b/net/mac80211/mesh.h @@ -26,12 +26,12 @@ * @MESH_PATH_ACTIVE: the mesh path can be used for forwarding * @MESH_PATH_RESOLVING: the discovery process is running for this mesh path * @MESH_PATH_SN_VALID: the mesh path contains a valid destination sequence - * number + * number * @MESH_PATH_FIXED: the mesh path has been manually set and should not be - * modified + * modified * @MESH_PATH_RESOLVED: the mesh path can has been resolved * @MESH_PATH_REQ_QUEUED: there is an unsent path request for this destination - * already queued up, waiting for the discovery process to start. + * already queued up, waiting for the discovery process to start. * * MESH_PATH_RESOLVED is used by the mesh path timer to * decide when to stop or cancel the mesh path discovery. @@ -73,16 +73,16 @@ enum mesh_deferred_task_flags { * @dst: mesh path destination mac address * @sdata: mesh subif * @next_hop: mesh neighbor to which frames for this destination will be - * forwarded + * forwarded * @timer: mesh path discovery timer * @frame_queue: pending queue for frames sent to this destination while the - * path is unresolved + * path is unresolved * @sn: target sequence number * @metric: current metric to this destination * @hop_count: hops to destination * @exp_time: in jiffies, when the path will expire or when it expired * @discovery_timeout: timeout (lapse in jiffies) used for the last discovery - * retry + * retry * @discovery_retries: number of discovery retries * @flags: mesh path flags, as specified on &enum mesh_path_flags * @state_lock: mesh path state lock used to protect changes to the @@ -206,38 +206,33 @@ struct mesh_rmc { /* Various */ 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 *addr4or5, - char *addr6); -int mesh_rmc_check(u8 *addr, struct ieee80211s_hdr *mesh_hdr, - struct ieee80211_sub_if_data *sdata); +int ieee80211_new_mesh_header(struct ieee80211_sub_if_data *sdata, + struct ieee80211s_hdr *meshhdr, + const char *addr4or5, const char *addr6); +int mesh_rmc_check(struct ieee80211_sub_if_data *sdata, + const u8 *addr, struct ieee80211s_hdr *mesh_hdr); bool mesh_matches_local(struct ieee80211_sub_if_data *sdata, struct ieee802_11_elems *ie); void mesh_ids_set_default(struct ieee80211_if_mesh *mesh); -void mesh_mgmt_ies_add(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); -int mesh_add_meshconf_ie(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); -int mesh_add_meshid_ie(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); -int mesh_add_rsn_ie(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); -int mesh_add_awake_window_ie(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); -int mesh_add_vendor_ies(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); -int mesh_add_ds_params_ie(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); -int mesh_add_ht_cap_ie(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); -int mesh_add_ht_oper_ie(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); +void mesh_mgmt_ies_add(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); +int mesh_add_meshconf_ie(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); +int mesh_add_meshid_ie(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); +int mesh_add_rsn_ie(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); +int mesh_add_vendor_ies(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); +int mesh_add_ht_cap_ie(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); +int mesh_add_ht_oper_ie(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); void mesh_rmc_free(struct ieee80211_sub_if_data *sdata); int mesh_rmc_init(struct ieee80211_sub_if_data *sdata); void ieee80211s_init(void); void ieee80211s_update_metric(struct ieee80211_local *local, - struct sta_info *sta, struct sk_buff *skb); -void ieee80211s_stop(void); + struct sta_info *sta, struct sk_buff *skb); void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata); int ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata); void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata); @@ -263,31 +258,32 @@ void ieee80211_mps_frame_release(struct sta_info *sta, struct ieee802_11_elems *elems); /* Mesh paths */ -int mesh_nexthop_lookup(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); -int mesh_nexthop_resolve(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); +int mesh_nexthop_lookup(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); +int mesh_nexthop_resolve(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata); -struct mesh_path *mesh_path_lookup(const u8 *dst, - struct ieee80211_sub_if_data *sdata); -struct mesh_path *mpp_path_lookup(u8 *dst, - struct ieee80211_sub_if_data *sdata); -int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata); -struct mesh_path *mesh_path_lookup_by_idx(int idx, - struct ieee80211_sub_if_data *sdata); +struct mesh_path *mesh_path_lookup(struct ieee80211_sub_if_data *sdata, + const u8 *dst); +struct mesh_path *mpp_path_lookup(struct ieee80211_sub_if_data *sdata, + const u8 *dst); +int mpp_path_add(struct ieee80211_sub_if_data *sdata, + const u8 *dst, const u8 *mpp); +struct mesh_path * +mesh_path_lookup_by_idx(struct ieee80211_sub_if_data *sdata, int idx); void mesh_path_fix_nexthop(struct mesh_path *mpath, struct sta_info *next_hop); void mesh_path_expire(struct ieee80211_sub_if_data *sdata); void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata, - struct ieee80211_mgmt *mgmt, size_t len); -int mesh_path_add(const u8 *dst, struct ieee80211_sub_if_data *sdata); + struct ieee80211_mgmt *mgmt, size_t len); +int mesh_path_add(struct ieee80211_sub_if_data *sdata, const u8 *dst); int mesh_path_add_gate(struct mesh_path *mpath); int mesh_path_send_to_gates(struct mesh_path *mpath); int mesh_gate_num(struct ieee80211_sub_if_data *sdata); + /* Mesh plinks */ void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata, - u8 *hw_addr, - struct ieee802_11_elems *ie); + u8 *hw_addr, struct ieee802_11_elems *ie); bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie); u32 mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata); void mesh_plink_broken(struct sta_info *sta); @@ -304,19 +300,19 @@ void mesh_sta_cleanup(struct sta_info *sta); void mesh_mpath_table_grow(void); void mesh_mpp_table_grow(void); /* Mesh paths */ -int mesh_path_error_tx(u8 ttl, const u8 *target, __le32 target_sn, - __le16 target_rcode, const u8 *ra, - struct ieee80211_sub_if_data *sdata); +int mesh_path_error_tx(struct ieee80211_sub_if_data *sdata, + u8 ttl, const u8 *target, __le32 target_sn, + __le16 target_rcode, const u8 *ra); void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta); void mesh_path_flush_pending(struct mesh_path *mpath); void mesh_path_tx_pending(struct mesh_path *mpath); int mesh_pathtbl_init(void); void mesh_pathtbl_unregister(void); -int mesh_path_del(u8 *addr, struct ieee80211_sub_if_data *sdata); +int mesh_path_del(struct ieee80211_sub_if_data *sdata, const u8 *addr); void mesh_path_timer(unsigned long data); void mesh_path_flush_by_nexthop(struct sta_info *sta); -void mesh_path_discard_frame(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); +void mesh_path_discard_frame(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); void mesh_path_quiesce(struct ieee80211_sub_if_data *sdata); void mesh_path_restart(struct ieee80211_sub_if_data *sdata); void mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata); @@ -325,8 +321,6 @@ bool mesh_action_is_path_sel(struct ieee80211_mgmt *mgmt); extern int mesh_paths_generation; #ifdef CONFIG_MAC80211_MESH -extern int mesh_allocated; - static inline u32 mesh_plink_inc_estab_count(struct ieee80211_sub_if_data *sdata) { @@ -371,8 +365,8 @@ void mesh_plink_quiesce(struct sta_info *sta); void mesh_plink_restart(struct sta_info *sta); void mesh_path_flush_by_iface(struct ieee80211_sub_if_data *sdata); void mesh_sync_adjust_tbtt(struct ieee80211_sub_if_data *sdata); +void ieee80211s_stop(void); #else -#define mesh_allocated 0 static inline void ieee80211_mesh_notify_scan_completed(struct ieee80211_local *local) {} static inline void ieee80211_mesh_quiesce(struct ieee80211_sub_if_data *sdata) @@ -385,6 +379,7 @@ static inline bool mesh_path_sel_is_hwmp(struct ieee80211_sub_if_data *sdata) { return false; } static inline void mesh_path_flush_by_iface(struct ieee80211_sub_if_data *sdata) {} +static inline void ieee80211s_stop(void) {} #endif #endif /* IEEE80211S_H */ diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index 585c1e26cca8..bdb8d3b14587 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -238,9 +238,9 @@ static void prepare_frame_for_deferred_tx(struct ieee80211_sub_if_data *sdata, * also acquires in the TX path. To avoid a deadlock we don't transmit the * frame directly but add it to the pending queue instead. */ -int mesh_path_error_tx(u8 ttl, const u8 *target, __le32 target_sn, - __le16 target_rcode, const u8 *ra, - struct ieee80211_sub_if_data *sdata) +int mesh_path_error_tx(struct ieee80211_sub_if_data *sdata, + u8 ttl, const u8 *target, __le32 target_sn, + __le16 target_rcode, const u8 *ra) { struct ieee80211_local *local = sdata->local; struct sk_buff *skb; @@ -430,7 +430,7 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata, process = false; fresh_info = false; } else { - mpath = mesh_path_lookup(orig_addr, sdata); + mpath = mesh_path_lookup(sdata, orig_addr); if (mpath) { spin_lock_bh(&mpath->state_lock); if (mpath->flags & MESH_PATH_FIXED) @@ -445,8 +445,8 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata, } } } else { - mesh_path_add(orig_addr, sdata); - mpath = mesh_path_lookup(orig_addr, sdata); + mesh_path_add(sdata, orig_addr); + mpath = mesh_path_lookup(sdata, orig_addr); if (!mpath) { rcu_read_unlock(); return 0; @@ -478,7 +478,7 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata, else { fresh_info = true; - mpath = mesh_path_lookup(ta, sdata); + mpath = mesh_path_lookup(sdata, ta); if (mpath) { spin_lock_bh(&mpath->state_lock); if ((mpath->flags & MESH_PATH_FIXED) || @@ -486,8 +486,8 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata, (last_hop_metric > mpath->metric))) fresh_info = false; } else { - mesh_path_add(ta, sdata); - mpath = mesh_path_lookup(ta, sdata); + mesh_path_add(sdata, ta); + mpath = mesh_path_lookup(sdata, ta); if (!mpath) { rcu_read_unlock(); return 0; @@ -553,7 +553,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata, } else if (is_broadcast_ether_addr(target_addr) && (target_flags & IEEE80211_PREQ_TO_FLAG)) { rcu_read_lock(); - mpath = mesh_path_lookup(orig_addr, sdata); + mpath = mesh_path_lookup(sdata, orig_addr); if (mpath) { if (flags & IEEE80211_PREQ_PROACTIVE_PREP_FLAG) { reply = true; @@ -568,7 +568,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata, rcu_read_unlock(); } else { rcu_read_lock(); - mpath = mesh_path_lookup(target_addr, sdata); + mpath = mesh_path_lookup(sdata, target_addr); if (mpath) { if ((!(mpath->flags & MESH_PATH_SN_VALID)) || SN_LT(mpath->sn, target_sn)) { @@ -678,7 +678,7 @@ static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata, } rcu_read_lock(); - mpath = mesh_path_lookup(orig_addr, sdata); + mpath = mesh_path_lookup(sdata, orig_addr); if (mpath) spin_lock_bh(&mpath->state_lock); else @@ -736,7 +736,7 @@ static void hwmp_perr_frame_process(struct ieee80211_sub_if_data *sdata, target_rcode = PERR_IE_TARGET_RCODE(perr_elem); rcu_read_lock(); - mpath = mesh_path_lookup(target_addr, sdata); + mpath = mesh_path_lookup(sdata, target_addr); if (mpath) { struct sta_info *sta; @@ -751,9 +751,10 @@ static void hwmp_perr_frame_process(struct ieee80211_sub_if_data *sdata, spin_unlock_bh(&mpath->state_lock); if (!ifmsh->mshcfg.dot11MeshForwarding) goto endperr; - mesh_path_error_tx(ttl, target_addr, cpu_to_le32(target_sn), + mesh_path_error_tx(sdata, ttl, target_addr, + cpu_to_le32(target_sn), cpu_to_le16(target_rcode), - broadcast_addr, sdata); + broadcast_addr); } else spin_unlock_bh(&mpath->state_lock); } @@ -801,10 +802,10 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata, metric_txsta = airtime_link_metric_get(local, sta); - mpath = mesh_path_lookup(orig_addr, sdata); + mpath = mesh_path_lookup(sdata, orig_addr); if (!mpath) { - mesh_path_add(orig_addr, sdata); - mpath = mesh_path_lookup(orig_addr, sdata); + mesh_path_add(sdata, orig_addr); + mpath = mesh_path_lookup(sdata, orig_addr); if (!mpath) { rcu_read_unlock(); sdata->u.mesh.mshstats.dropped_frames_no_route++; @@ -861,8 +862,7 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata, void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata, - struct ieee80211_mgmt *mgmt, - size_t len) + struct ieee80211_mgmt *mgmt, size_t len) { struct ieee802_11_elems elems; size_t baselen; @@ -1006,7 +1006,7 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata) spin_unlock_bh(&ifmsh->mesh_preq_queue_lock); rcu_read_lock(); - mpath = mesh_path_lookup(preq_node->dst, sdata); + mpath = mesh_path_lookup(sdata, preq_node->dst); if (!mpath) goto enddiscovery; @@ -1076,8 +1076,8 @@ enddiscovery: * Returns: 0 if the next hop was found and -ENOENT if the frame was queued. * skb is freeed here if no mpath could be allocated. */ -int mesh_nexthop_resolve(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata) +int mesh_nexthop_resolve(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); @@ -1091,17 +1091,17 @@ int mesh_nexthop_resolve(struct sk_buff *skb, return 0; rcu_read_lock(); - err = mesh_nexthop_lookup(skb, sdata); + err = mesh_nexthop_lookup(sdata, skb); if (!err) goto endlookup; /* no nexthop found, start resolving */ - mpath = mesh_path_lookup(target_addr, sdata); + mpath = mesh_path_lookup(sdata, target_addr); if (!mpath) { - mesh_path_add(target_addr, sdata); - mpath = mesh_path_lookup(target_addr, sdata); + mesh_path_add(sdata, target_addr); + mpath = mesh_path_lookup(sdata, target_addr); if (!mpath) { - mesh_path_discard_frame(skb, sdata); + mesh_path_discard_frame(sdata, skb); err = -ENOSPC; goto endlookup; } @@ -1118,12 +1118,13 @@ int mesh_nexthop_resolve(struct sk_buff *skb, skb_queue_tail(&mpath->frame_queue, skb); err = -ENOENT; if (skb_to_free) - mesh_path_discard_frame(skb_to_free, sdata); + mesh_path_discard_frame(sdata, skb_to_free); endlookup: rcu_read_unlock(); return err; } + /** * mesh_nexthop_lookup - put the appropriate next hop on a mesh frame. Calling * this function is considered "using" the associated mpath, so preempt a path @@ -1134,8 +1135,8 @@ endlookup: * * Returns: 0 if the next hop was found. Nonzero otherwise. */ -int mesh_nexthop_lookup(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata) +int mesh_nexthop_lookup(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb) { struct mesh_path *mpath; struct sta_info *next_hop; @@ -1144,7 +1145,7 @@ int mesh_nexthop_lookup(struct sk_buff *skb, int err = -ENOENT; rcu_read_lock(); - mpath = mesh_path_lookup(target_addr, sdata); + mpath = mesh_path_lookup(sdata, target_addr); if (!mpath || !(mpath->flags & MESH_PATH_ACTIVE)) goto endlookup; @@ -1203,8 +1204,7 @@ void mesh_path_timer(unsigned long data) } } -void -mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata) +void mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; u32 interval = ifmsh->mshcfg.dot11MeshHWMPRannInterval; diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index 2ce4c4023a97..6b3c4e119c63 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -24,9 +24,12 @@ /* Keep the mean chain length below this constant */ #define MEAN_CHAIN_LEN 2 -#define MPATH_EXPIRED(mpath) ((mpath->flags & MESH_PATH_ACTIVE) && \ - time_after(jiffies, mpath->exp_time) && \ - !(mpath->flags & MESH_PATH_FIXED)) +static inline bool mpath_expired(struct mesh_path *mpath) +{ + return (mpath->flags & MESH_PATH_ACTIVE) && + time_after(jiffies, mpath->exp_time) && + !(mpath->flags & MESH_PATH_FIXED); +} struct mpath_node { struct hlist_node list; @@ -185,8 +188,8 @@ static u32 mesh_table_hash(const u8 *addr, struct ieee80211_sub_if_data *sdata, struct mesh_table *tbl) { /* Use last four bytes of hw addr and interface index as hash index */ - return jhash_2words(*(u32 *)(addr+2), sdata->dev->ifindex, tbl->hash_rnd) - & tbl->hash_mask; + return jhash_2words(*(u32 *)(addr+2), sdata->dev->ifindex, + tbl->hash_rnd) & tbl->hash_mask; } @@ -339,7 +342,7 @@ static struct mesh_path *mpath_lookup(struct mesh_table *tbl, const u8 *dst, mpath = node->mpath; if (mpath->sdata == sdata && ether_addr_equal(dst, mpath->dst)) { - if (MPATH_EXPIRED(mpath)) { + if (mpath_expired(mpath)) { spin_lock_bh(&mpath->state_lock); mpath->flags &= ~MESH_PATH_ACTIVE; spin_unlock_bh(&mpath->state_lock); @@ -352,20 +355,21 @@ static struct mesh_path *mpath_lookup(struct mesh_table *tbl, const u8 *dst, /** * mesh_path_lookup - look up a path in the mesh path table - * @dst: hardware address (ETH_ALEN length) of destination * @sdata: local subif + * @dst: hardware address (ETH_ALEN length) of destination * * Returns: pointer to the mesh path structure, or NULL if not found * * Locking: must be called within a read rcu section. */ -struct mesh_path *mesh_path_lookup(const u8 *dst, - struct ieee80211_sub_if_data *sdata) +struct mesh_path * +mesh_path_lookup(struct ieee80211_sub_if_data *sdata, const u8 *dst) { return mpath_lookup(rcu_dereference(mesh_paths), dst, sdata); } -struct mesh_path *mpp_path_lookup(u8 *dst, struct ieee80211_sub_if_data *sdata) +struct mesh_path * +mpp_path_lookup(struct ieee80211_sub_if_data *sdata, const u8 *dst) { return mpath_lookup(rcu_dereference(mpp_paths), dst, sdata); } @@ -380,7 +384,8 @@ struct mesh_path *mpp_path_lookup(u8 *dst, struct ieee80211_sub_if_data *sdata) * * Locking: must be called within a read rcu section. */ -struct mesh_path *mesh_path_lookup_by_idx(int idx, struct ieee80211_sub_if_data *sdata) +struct mesh_path * +mesh_path_lookup_by_idx(struct ieee80211_sub_if_data *sdata, int idx) { struct mesh_table *tbl = rcu_dereference(mesh_paths); struct mpath_node *node; @@ -392,7 +397,7 @@ struct mesh_path *mesh_path_lookup_by_idx(int idx, struct ieee80211_sub_if_data if (sdata && node->mpath->sdata != sdata) continue; if (j++ == idx) { - if (MPATH_EXPIRED(node->mpath)) { + if (mpath_expired(node->mpath)) { spin_lock_bh(&node->mpath->state_lock); node->mpath->flags &= ~MESH_PATH_ACTIVE; spin_unlock_bh(&node->mpath->state_lock); @@ -436,11 +441,10 @@ int mesh_path_add_gate(struct mesh_path *mpath) spin_lock_bh(&tbl->gates_lock); hlist_add_head_rcu(&new_gate->list, tbl->known_gates); spin_unlock_bh(&tbl->gates_lock); - rcu_read_unlock(); mpath_dbg(mpath->sdata, "Mesh path: Recorded new gate: %pM. %d known gates\n", mpath->dst, mpath->sdata->u.mesh.num_gates); - return 0; + err = 0; err_rcu: rcu_read_unlock(); return err; @@ -451,30 +455,27 @@ err_rcu: * @tbl: table which holds our list of known gates * @mpath: gate mpath * - * Returns: 0 on success - * * Locking: must be called inside rcu_read_lock() section */ -static int mesh_gate_del(struct mesh_table *tbl, struct mesh_path *mpath) +static void mesh_gate_del(struct mesh_table *tbl, struct mesh_path *mpath) { struct mpath_node *gate; struct hlist_node *p, *q; - hlist_for_each_entry_safe(gate, p, q, tbl->known_gates, list) - if (gate->mpath == mpath) { - spin_lock_bh(&tbl->gates_lock); - hlist_del_rcu(&gate->list); - kfree_rcu(gate, rcu); - spin_unlock_bh(&tbl->gates_lock); - mpath->sdata->u.mesh.num_gates--; - mpath->is_gate = false; - mpath_dbg(mpath->sdata, - "Mesh path: Deleted gate: %pM. %d known gates\n", - mpath->dst, mpath->sdata->u.mesh.num_gates); - break; - } - - return 0; + hlist_for_each_entry_safe(gate, p, q, tbl->known_gates, list) { + if (gate->mpath != mpath) + continue; + spin_lock_bh(&tbl->gates_lock); + hlist_del_rcu(&gate->list); + kfree_rcu(gate, rcu); + spin_unlock_bh(&tbl->gates_lock); + mpath->sdata->u.mesh.num_gates--; + mpath->is_gate = false; + mpath_dbg(mpath->sdata, + "Mesh path: Deleted gate: %pM. %d known gates\n", + mpath->dst, mpath->sdata->u.mesh.num_gates); + break; + } } /** @@ -488,14 +489,14 @@ int mesh_gate_num(struct ieee80211_sub_if_data *sdata) /** * mesh_path_add - allocate and add a new path to the mesh path table - * @addr: destination address of the path (ETH_ALEN length) + * @dst: destination address of the path (ETH_ALEN length) * @sdata: local subif * * Returns: 0 on success * * State: the initial state of the new path is set to 0 */ -int mesh_path_add(const u8 *dst, struct ieee80211_sub_if_data *sdata) +int mesh_path_add(struct ieee80211_sub_if_data *sdata, const u8 *dst) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; struct ieee80211_local *local = sdata->local; @@ -630,7 +631,8 @@ void mesh_mpp_table_grow(void) write_unlock_bh(&pathtbl_resize_lock); } -int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata) +int mpp_path_add(struct ieee80211_sub_if_data *sdata, + const u8 *dst, const u8 *mpp) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; struct ieee80211_local *local = sdata->local; @@ -739,9 +741,10 @@ 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(sdata->u.mesh.mshcfg.element_ttl, - mpath->dst, cpu_to_le32(mpath->sn), - reason, bcast, sdata); + mesh_path_error_tx(sdata, + sdata->u.mesh.mshcfg.element_ttl, + mpath->dst, cpu_to_le32(mpath->sn), + reason, bcast); } } rcu_read_unlock(); @@ -856,7 +859,7 @@ void mesh_path_flush_by_iface(struct ieee80211_sub_if_data *sdata) * * Returns: 0 if successful */ -int mesh_path_del(u8 *addr, struct ieee80211_sub_if_data *sdata) +int mesh_path_del(struct ieee80211_sub_if_data *sdata, const u8 *addr) { struct mesh_table *tbl; struct mesh_path *mpath; @@ -965,8 +968,8 @@ int mesh_path_send_to_gates(struct mesh_path *mpath) * * Locking: the function must me called within a rcu_read_lock region */ -void mesh_path_discard_frame(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata) +void mesh_path_discard_frame(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb) { kfree_skb(skb); sdata->u.mesh.mshstats.dropped_frames_no_route++; @@ -984,7 +987,7 @@ void mesh_path_flush_pending(struct mesh_path *mpath) struct sk_buff *skb; while ((skb = skb_dequeue(&mpath->frame_queue)) != NULL) - mesh_path_discard_frame(skb, mpath->sdata); + mesh_path_discard_frame(mpath->sdata, skb); } /** @@ -1105,7 +1108,7 @@ void mesh_path_expire(struct ieee80211_sub_if_data *sdata) if ((!(mpath->flags & MESH_PATH_RESOLVING)) && (!(mpath->flags & MESH_PATH_FIXED)) && time_after(jiffies, mpath->exp_time + MESH_PATH_EXPIRE)) - mesh_path_del(mpath->dst, mpath->sdata); + mesh_path_del(mpath->sdata, mpath->dst); } rcu_read_unlock(); } diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index f7526e509aa8..07d396d57079 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -37,9 +37,31 @@ enum plink_event { CLS_IGNR }; +static const char * const mplstates[] = { + [NL80211_PLINK_LISTEN] = "LISTEN", + [NL80211_PLINK_OPN_SNT] = "OPN-SNT", + [NL80211_PLINK_OPN_RCVD] = "OPN-RCVD", + [NL80211_PLINK_CNF_RCVD] = "CNF_RCVD", + [NL80211_PLINK_ESTAB] = "ESTAB", + [NL80211_PLINK_HOLDING] = "HOLDING", + [NL80211_PLINK_BLOCKED] = "BLOCKED" +}; + +static const char * const mplevents[] = { + [PLINK_UNDEFINED] = "NONE", + [OPN_ACPT] = "OPN_ACPT", + [OPN_RJCT] = "OPN_RJCT", + [OPN_IGNR] = "OPN_IGNR", + [CNF_ACPT] = "CNF_ACPT", + [CNF_RJCT] = "CNF_RJCT", + [CNF_IGNR] = "CNF_IGNR", + [CLS_ACPT] = "CLS_ACPT", + [CLS_IGNR] = "CLS_IGNR" +}; + static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, - enum ieee80211_self_protected_actioncode action, - u8 *da, __le16 llid, __le16 plid, __le16 reason); + enum ieee80211_self_protected_actioncode action, + u8 *da, __le16 llid, __le16 plid, __le16 reason); /** * mesh_plink_fsm_restart - restart a mesh peer link finite state machine @@ -129,7 +151,6 @@ static u32 mesh_set_ht_prot_mode(struct ieee80211_sub_if_data *sdata) { struct ieee80211_local *local = sdata->local; struct sta_info *sta; - u32 changed = 0; u16 ht_opmode; bool non_ht_sta = false, ht20_sta = false; @@ -142,23 +163,19 @@ static u32 mesh_set_ht_prot_mode(struct ieee80211_sub_if_data *sdata) sta->plink_state != NL80211_PLINK_ESTAB) continue; - switch (sta->ch_width) { - case NL80211_CHAN_WIDTH_20_NOHT: - mpl_dbg(sdata, - "mesh_plink %pM: nonHT sta (%pM) is present\n", - sdata->vif.addr, sta->sta.addr); + if (sta->sta.bandwidth > IEEE80211_STA_RX_BW_20) + continue; + + if (!sta->sta.ht_cap.ht_supported) { + mpl_dbg(sdata, "nonHT sta (%pM) is present\n", + sta->sta.addr); non_ht_sta = true; - goto out; - case NL80211_CHAN_WIDTH_20: - mpl_dbg(sdata, - "mesh_plink %pM: HT20 sta (%pM) is present\n", - sdata->vif.addr, sta->sta.addr); - ht20_sta = true; - default: break; } + + mpl_dbg(sdata, "HT20 sta (%pM) is present\n", sta->sta.addr); + ht20_sta = true; } -out: rcu_read_unlock(); if (non_ht_sta) @@ -169,16 +186,13 @@ out: else ht_opmode = IEEE80211_HT_OP_MODE_PROTECTION_NONE; - if (sdata->vif.bss_conf.ht_operation_mode != ht_opmode) { - sdata->vif.bss_conf.ht_operation_mode = ht_opmode; - sdata->u.mesh.mshcfg.ht_opmode = ht_opmode; - changed = BSS_CHANGED_HT; - mpl_dbg(sdata, - "mesh_plink %pM: protection mode changed to %d\n", - sdata->vif.addr, ht_opmode); - } + if (sdata->vif.bss_conf.ht_operation_mode == ht_opmode) + return 0; - return changed; + sdata->vif.bss_conf.ht_operation_mode = ht_opmode; + sdata->u.mesh.mshcfg.ht_opmode = ht_opmode; + mpl_dbg(sdata, "selected new HT protection mode %d\n", ht_opmode); + return BSS_CHANGED_HT; } /** @@ -231,8 +245,9 @@ u32 mesh_plink_deactivate(struct sta_info *sta) } static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, - enum ieee80211_self_protected_actioncode action, - u8 *da, __le16 llid, __le16 plid, __le16 reason) { + enum ieee80211_self_protected_actioncode action, + u8 *da, __le16 llid, __le16 plid, __le16 reason) +{ struct ieee80211_local *local = sdata->local; struct sk_buff *skb; struct ieee80211_tx_info *info; @@ -283,13 +298,13 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, } if (ieee80211_add_srates_ie(sdata, skb, true, band) || ieee80211_add_ext_srates_ie(sdata, skb, true, band) || - mesh_add_rsn_ie(skb, sdata) || - mesh_add_meshid_ie(skb, sdata) || - mesh_add_meshconf_ie(skb, sdata)) + mesh_add_rsn_ie(sdata, skb) || + mesh_add_meshid_ie(sdata, skb) || + mesh_add_meshconf_ie(sdata, skb)) goto free; } else { /* WLAN_SP_MESH_PEERING_CLOSE */ info->flags |= IEEE80211_TX_CTL_NO_ACK; - if (mesh_add_meshid_ie(skb, sdata)) + if (mesh_add_meshid_ie(sdata, skb)) goto free; } @@ -333,12 +348,12 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, } if (action != WLAN_SP_MESH_PEERING_CLOSE) { - if (mesh_add_ht_cap_ie(skb, sdata) || - mesh_add_ht_oper_ie(skb, sdata)) + if (mesh_add_ht_cap_ie(sdata, skb) || + mesh_add_ht_oper_ie(sdata, skb)) goto free; } - if (mesh_add_vendor_ies(skb, sdata)) + if (mesh_add_vendor_ies(sdata, skb)) goto free; ieee80211_tx_skb(sdata, skb); @@ -370,24 +385,18 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata, if (sta->sta.supp_rates[band] != rates) changed |= IEEE80211_RC_SUPP_RATES_CHANGED; sta->sta.supp_rates[band] = rates; - if (elems->ht_cap_elem && - sdata->vif.bss_conf.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) - ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, - elems->ht_cap_elem, sta); - else - memset(&sta->sta.ht_cap, 0, sizeof(sta->sta.ht_cap)); - if (elems->ht_operation) { - struct cfg80211_chan_def chandef; + if (ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, + elems->ht_cap_elem, sta)) + changed |= IEEE80211_RC_BW_CHANGED; - if (!(elems->ht_operation->ht_param & - IEEE80211_HT_PARAM_CHAN_WIDTH_ANY)) - sta->sta.bandwidth = IEEE80211_STA_RX_BW_20; - ieee80211_ht_oper_to_chandef(sdata->vif.bss_conf.chandef.chan, - elems->ht_operation, &chandef); - if (sta->ch_width != chandef.width) + /* HT peer is operating 20MHz-only */ + if (elems->ht_operation && + !(elems->ht_operation->ht_param & + IEEE80211_HT_PARAM_CHAN_WIDTH_ANY)) { + if (sta->sta.bandwidth != IEEE80211_STA_RX_BW_20) changed |= IEEE80211_RC_BW_CHANGED; - sta->ch_width = chandef.width; + sta->sta.bandwidth = IEEE80211_STA_RX_BW_20; } if (insert) @@ -666,8 +675,9 @@ u32 mesh_plink_block(struct sta_info *sta) } -void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt, - size_t len, struct ieee80211_rx_status *rx_status) +void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, + struct ieee80211_mgmt *mgmt, size_t len, + struct ieee80211_rx_status *rx_status) { struct mesh_config *mshcfg = &sdata->u.mesh.mshcfg; struct ieee802_11_elems elems; @@ -680,15 +690,6 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m u8 *baseaddr; u32 changed = 0; __le16 plid, llid, reason; - static const char *mplstates[] = { - [NL80211_PLINK_LISTEN] = "LISTEN", - [NL80211_PLINK_OPN_SNT] = "OPN-SNT", - [NL80211_PLINK_OPN_RCVD] = "OPN-RCVD", - [NL80211_PLINK_CNF_RCVD] = "CNF_RCVD", - [NL80211_PLINK_ESTAB] = "ESTAB", - [NL80211_PLINK_HOLDING] = "HOLDING", - [NL80211_PLINK_BLOCKED] = "BLOCKED" - }; /* need action_code, aux */ if (len < IEEE80211_MIN_ACTION_SIZE + 3) @@ -708,13 +709,15 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m baselen += 4; } ieee802_11_parse_elems(baseaddr, len - baselen, &elems); + if (!elems.peering) { mpl_dbg(sdata, "Mesh plink: missing necessary peer link ie\n"); return; } + if (elems.rsn_len && - sdata->u.mesh.security == IEEE80211_MESH_SEC_NONE) { + sdata->u.mesh.security == IEEE80211_MESH_SEC_NONE) { mpl_dbg(sdata, "Mesh plink: can't establish link with secure peer\n"); return; @@ -733,7 +736,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m } if (ftype != WLAN_SP_MESH_PEERING_CLOSE && - (!elems.mesh_id || !elems.mesh_config)) { + (!elems.mesh_id || !elems.mesh_config)) { mpl_dbg(sdata, "Mesh plink: missing necessary ie\n"); return; } @@ -859,11 +862,8 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m } } - mpl_dbg(sdata, - "Mesh plink (peer, state, llid, plid, event): %pM %s %d %d %d\n", - mgmt->sa, mplstates[sta->plink_state], - le16_to_cpu(sta->llid), le16_to_cpu(sta->plid), - event); + mpl_dbg(sdata, "peer %pM in state %s got event %s\n", mgmt->sa, + mplstates[sta->plink_state], mplevents[event]); reason = 0; spin_lock_bh(&sta->lock); switch (sta->plink_state) { diff --git a/net/mac80211/mesh_sync.c b/net/mac80211/mesh_sync.c index aa8d1e437385..05a256b38e24 100644 --- a/net/mac80211/mesh_sync.c +++ b/net/mac80211/mesh_sync.c @@ -43,7 +43,7 @@ struct sync_method { static bool mesh_peer_tbtt_adjusting(struct ieee802_11_elems *ie) { return (ie->mesh_config->meshconf_cap & - IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING) != 0; + IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING) != 0; } void mesh_sync_adjust_tbtt(struct ieee80211_sub_if_data *sdata) @@ -112,7 +112,8 @@ static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, if (elems->mesh_config && mesh_peer_tbtt_adjusting(elems)) { clear_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN); - msync_dbg(sdata, "STA %pM : is adjusting TBTT\n", sta->sta.addr); + msync_dbg(sdata, "STA %pM : is adjusting TBTT\n", + sta->sta.addr); goto no_sync; } @@ -129,18 +130,15 @@ static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, sta->t_offset = t_t - t_r; if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) { - s64 t_clockdrift = sta->t_offset_setpoint - - sta->t_offset; + s64 t_clockdrift = sta->t_offset_setpoint - sta->t_offset; msync_dbg(sdata, "STA %pM : sta->t_offset=%lld, sta->t_offset_setpoint=%lld, t_clockdrift=%lld\n", - sta->sta.addr, - (long long) sta->t_offset, - (long long) - sta->t_offset_setpoint, + sta->sta.addr, (long long) sta->t_offset, + (long long) sta->t_offset_setpoint, (long long) t_clockdrift); if (t_clockdrift > TOFFSET_MAXIMUM_ADJUSTMENT || - t_clockdrift < -TOFFSET_MAXIMUM_ADJUSTMENT) { + t_clockdrift < -TOFFSET_MAXIMUM_ADJUSTMENT) { msync_dbg(sdata, "STA %pM : t_clockdrift=%lld too large, setpoint reset\n", sta->sta.addr, @@ -149,15 +147,10 @@ static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, goto no_sync; } - rcu_read_unlock(); - spin_lock_bh(&ifmsh->sync_offset_lock); - if (t_clockdrift > - ifmsh->sync_offset_clockdrift_max) - ifmsh->sync_offset_clockdrift_max - = t_clockdrift; + if (t_clockdrift > ifmsh->sync_offset_clockdrift_max) + ifmsh->sync_offset_clockdrift_max = t_clockdrift; spin_unlock_bh(&ifmsh->sync_offset_lock); - } else { sta->t_offset_setpoint = sta->t_offset - TOFFSET_SET_MARGIN; set_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN); @@ -165,9 +158,7 @@ static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, "STA %pM : offset was invalid, sta->t_offset=%lld\n", sta->sta.addr, (long long) sta->t_offset); - rcu_read_unlock(); } - return; no_sync: rcu_read_unlock(); @@ -177,14 +168,12 @@ static void mesh_sync_offset_adjust_tbtt(struct ieee80211_sub_if_data *sdata) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; - WARN_ON(ifmsh->mesh_sp_id - != IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET); + WARN_ON(ifmsh->mesh_sp_id != IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET); BUG_ON(!rcu_read_lock_held()); spin_lock_bh(&ifmsh->sync_offset_lock); - if (ifmsh->sync_offset_clockdrift_max > - TOFFSET_MINIMUM_ADJUSTMENT) { + if (ifmsh->sync_offset_clockdrift_max > TOFFSET_MINIMUM_ADJUSTMENT) { /* Since ajusting the tsf here would * require a possibly blocking call * to the driver tsf setter, we punt @@ -193,8 +182,7 @@ static void mesh_sync_offset_adjust_tbtt(struct ieee80211_sub_if_data *sdata) msync_dbg(sdata, "TBTT : kicking off TBTT adjustment with clockdrift_max=%lld\n", ifmsh->sync_offset_clockdrift_max); - set_bit(MESH_WORK_DRIFT_ADJUST, - &ifmsh->wrkq_flags); + set_bit(MESH_WORK_DRIFT_ADJUST, &ifmsh->wrkq_flags); ifmsh->adjusting_tbtt = true; } else { @@ -220,14 +208,11 @@ static const struct sync_method sync_methods[] = { const struct ieee80211_mesh_sync_ops *ieee80211_mesh_sync_ops_get(u8 method) { - const struct ieee80211_mesh_sync_ops *ops = NULL; - u8 i; + int i; for (i = 0 ; i < ARRAY_SIZE(sync_methods); ++i) { - if (sync_methods[i].method == method) { - ops = &sync_methods[i].ops; - break; - } + if (sync_methods[i].method == method) + return &sync_methods[i].ops; } - return ops; + return NULL; } diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 3acb70b73e22..bb73ed2d20b9 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -2027,7 +2027,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) /* frame is in RMC, don't forward */ if (ieee80211_is_data(hdr->frame_control) && is_multicast_ether_addr(hdr->addr1) && - mesh_rmc_check(hdr->addr3, mesh_hdr, rx->sdata)) + mesh_rmc_check(rx->sdata, hdr->addr3, mesh_hdr)) return RX_DROP_MONITOR; if (!ieee80211_is_data(hdr->frame_control) || @@ -2054,9 +2054,9 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) } rcu_read_lock(); - mppath = mpp_path_lookup(proxied_addr, sdata); + mppath = mpp_path_lookup(sdata, proxied_addr); if (!mppath) { - mpp_path_add(proxied_addr, mpp_addr, sdata); + mpp_path_add(sdata, proxied_addr, mpp_addr); } else { spin_lock_bh(&mppath->state_lock); if (!ether_addr_equal(mppath->mpp, mpp_addr)) @@ -2104,13 +2104,13 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) memcpy(fwd_hdr->addr2, sdata->vif.addr, ETH_ALEN); /* update power mode indication when forwarding */ ieee80211_mps_set_frame_flags(sdata, NULL, fwd_hdr); - } else if (!mesh_nexthop_lookup(fwd_skb, sdata)) { + } else if (!mesh_nexthop_lookup(sdata, fwd_skb)) { /* mesh power mode flags updated in mesh_nexthop_lookup */ IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, fwded_unicast); } else { /* unable to resolve next hop */ - mesh_path_error_tx(ifmsh->mshcfg.element_ttl, fwd_hdr->addr3, - 0, reason, fwd_hdr->addr2, sdata); + mesh_path_error_tx(sdata, ifmsh->mshcfg.element_ttl, + fwd_hdr->addr3, 0, reason, fwd_hdr->addr2); IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, dropped_frames_no_route); kfree_skb(fwd_skb); return RX_DROP_MONITOR; diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index 63dfdb5e91da..4947341a2a82 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -285,7 +285,6 @@ struct sta_ampdu_mlme { * @t_offset: timing offset relative to this host * @t_offset_setpoint: reference timing offset of this sta to be used when * calculating clockdrift - * @ch_width: peer's channel width * @local_pm: local link-specific power save mode * @peer_pm: peer-specific power save mode towards local STA * @nonpeer_pm: STA power save mode towards non-peer neighbors @@ -386,7 +385,6 @@ struct sta_info { struct timer_list plink_timer; s64 t_offset; s64 t_offset_setpoint; - enum nl80211_chan_width ch_width; /* mesh power save */ enum nl80211_mesh_power_mode local_pm; enum nl80211_mesh_power_mode peer_pm; diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h index 1183c4a4fee5..3d7cd2a0582f 100644 --- a/net/mac80211/trace.h +++ b/net/mac80211/trace.h @@ -479,7 +479,7 @@ TRACE_EVENT(drv_set_tim, TP_printk( LOCAL_PR_FMT STA_PR_FMT " set:%d", - LOCAL_PR_ARG, STA_PR_FMT, __entry->set + LOCAL_PR_ARG, STA_PR_ARG, __entry->set ) ); @@ -1684,7 +1684,7 @@ TRACE_EVENT(api_sta_block_awake, TP_printk( LOCAL_PR_FMT STA_PR_FMT " block:%d", - LOCAL_PR_ARG, STA_PR_FMT, __entry->block + LOCAL_PR_ARG, STA_PR_ARG, __entry->block ) ); @@ -1782,7 +1782,7 @@ TRACE_EVENT(api_eosp, TP_printk( LOCAL_PR_FMT STA_PR_FMT, - LOCAL_PR_ARG, STA_PR_FMT + LOCAL_PR_ARG, STA_PR_ARG ) ); diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index fe644f91ae05..5b9602b62405 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1495,7 +1495,7 @@ void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, if (ieee80211_vif_is_mesh(&sdata->vif)) { if (ieee80211_is_data(hdr->frame_control) && is_unicast_ether_addr(hdr->addr1)) { - if (mesh_nexthop_resolve(skb, sdata)) + if (mesh_nexthop_resolve(sdata, skb)) return; /* skb queued: don't free */ } else { ieee80211_mps_set_frame_flags(sdata, NULL, hdr); @@ -1844,9 +1844,9 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, } if (!is_multicast_ether_addr(skb->data)) { - mpath = mesh_path_lookup(skb->data, sdata); + mpath = mesh_path_lookup(sdata, skb->data); if (!mpath) - mppath = mpp_path_lookup(skb->data, sdata); + mppath = mpp_path_lookup(sdata, skb->data); } /* @@ -1859,8 +1859,8 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, !(mppath && !ether_addr_equal(mppath->mpp, skb->data))) { hdrlen = ieee80211_fill_mesh_addresses(&hdr, &fc, skb->data, skb->data + ETH_ALEN); - meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr, - sdata, NULL, NULL); + meshhdrlen = ieee80211_new_mesh_header(sdata, &mesh_hdr, + NULL, NULL); } else { /* DS -> MBSS (802.11-2012 13.11.3.3). * For unicast with unknown forwarding information, @@ -1879,18 +1879,14 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, mesh_da, sdata->vif.addr); if (is_multicast_ether_addr(mesh_da)) /* DA TA mSA AE:SA */ - meshhdrlen = - ieee80211_new_mesh_header(&mesh_hdr, - sdata, - skb->data + ETH_ALEN, - NULL); + meshhdrlen = ieee80211_new_mesh_header( + sdata, &mesh_hdr, + skb->data + ETH_ALEN, NULL); else /* RA TA mDA mSA AE:DA SA */ - meshhdrlen = - ieee80211_new_mesh_header(&mesh_hdr, - sdata, - skb->data, - skb->data + ETH_ALEN); + meshhdrlen = ieee80211_new_mesh_header( + sdata, &mesh_hdr, skb->data, + skb->data + ETH_ALEN); } chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 580ffeaef3d5..35545ccc30fd 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -3418,19 +3418,10 @@ nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = { static int nl80211_set_station_tdls(struct genl_info *info, struct station_parameters *params) { - struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct nlattr *tb[NL80211_STA_WME_MAX + 1]; struct nlattr *nla; int err; - /* Can only set if TDLS ... */ - if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) - return -EOPNOTSUPP; - - /* ... with external setup is supported */ - if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) - return -EOPNOTSUPP; - /* Dummy STA entry gets updated once the peer capabilities are known */ if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) params->ht_capa = |