diff options
Diffstat (limited to 'net/mac80211/mesh_plink.c')
-rw-r--r-- | net/mac80211/mesh_plink.c | 186 |
1 files changed, 93 insertions, 93 deletions
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index 37f0c2b94ae7..faac101c0f85 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -36,11 +36,11 @@ #define MESH_SECURITY_AUTHENTICATION_IMPOSSIBLE 9 #define MESH_SECURITY_FAILED_VERIFICATION 10 -#define dot11MeshMaxRetries(s) (s->u.sta.mshcfg.dot11MeshMaxRetries) -#define dot11MeshRetryTimeout(s) (s->u.sta.mshcfg.dot11MeshRetryTimeout) -#define dot11MeshConfirmTimeout(s) (s->u.sta.mshcfg.dot11MeshConfirmTimeout) -#define dot11MeshHoldingTimeout(s) (s->u.sta.mshcfg.dot11MeshHoldingTimeout) -#define dot11MeshMaxPeerLinks(s) (s->u.sta.mshcfg.dot11MeshMaxPeerLinks) +#define dot11MeshMaxRetries(s) (s->u.mesh.mshcfg.dot11MeshMaxRetries) +#define dot11MeshRetryTimeout(s) (s->u.mesh.mshcfg.dot11MeshRetryTimeout) +#define dot11MeshConfirmTimeout(s) (s->u.mesh.mshcfg.dot11MeshConfirmTimeout) +#define dot11MeshHoldingTimeout(s) (s->u.mesh.mshcfg.dot11MeshHoldingTimeout) +#define dot11MeshMaxPeerLinks(s) (s->u.mesh.mshcfg.dot11MeshMaxPeerLinks) enum plink_frame_type { PLINK_OPEN = 0, @@ -63,14 +63,14 @@ enum plink_event { static inline void mesh_plink_inc_estab_count(struct ieee80211_sub_if_data *sdata) { - atomic_inc(&sdata->u.sta.mshstats.estab_plinks); + atomic_inc(&sdata->u.mesh.mshstats.estab_plinks); mesh_accept_plinks_update(sdata); } static inline void mesh_plink_dec_estab_count(struct ieee80211_sub_if_data *sdata) { - atomic_dec(&sdata->u.sta.mshstats.estab_plinks); + atomic_dec(&sdata->u.mesh.mshstats.estab_plinks); mesh_accept_plinks_update(sdata); } @@ -79,7 +79,7 @@ void mesh_plink_dec_estab_count(struct ieee80211_sub_if_data *sdata) * * @sta: mes peer link to restart * - * Locking: this function must be called holding sta->plink_lock + * Locking: this function must be called holding sta->lock */ static inline void mesh_plink_fsm_restart(struct sta_info *sta) { @@ -105,8 +105,8 @@ static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata, if (!sta) return NULL; - sta->flags |= WLAN_STA_AUTHORIZED; - sta->supp_rates[local->hw.conf.channel->band] = rates; + sta->flags = WLAN_STA_AUTHORIZED; + sta->sta.supp_rates[local->hw.conf.channel->band] = rates; return sta; } @@ -118,7 +118,7 @@ static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata, * * All mesh paths with this peer as next hop will be flushed * - * Locking: the caller must hold sta->plink_lock + * Locking: the caller must hold sta->lock */ static void __mesh_plink_deactivate(struct sta_info *sta) { @@ -139,15 +139,15 @@ static void __mesh_plink_deactivate(struct sta_info *sta) */ void mesh_plink_deactivate(struct sta_info *sta) { - spin_lock_bh(&sta->plink_lock); + spin_lock_bh(&sta->lock); __mesh_plink_deactivate(sta); - spin_unlock_bh(&sta->plink_lock); + spin_unlock_bh(&sta->lock); } -static int mesh_plink_frame_tx(struct net_device *dev, +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 = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_local *local = sdata->local; struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400); struct ieee80211_mgmt *mgmt; bool include_plid = false; @@ -163,10 +163,10 @@ static int mesh_plink_frame_tx(struct net_device *dev, mgmt = (struct ieee80211_mgmt *) skb_put(skb, 25 + sizeof(mgmt->u.action.u.plink_action)); memset(mgmt, 0, 25 + sizeof(mgmt->u.action.u.plink_action)); - mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT, - IEEE80211_STYPE_ACTION); + mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_ACTION); memcpy(mgmt->da, da, ETH_ALEN); - memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN); + memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN); /* BSSID is left zeroed, wildcard value */ mgmt->u.action.category = PLINK_CATEGORY; mgmt->u.action.u.plink_action.action_code = action; @@ -180,7 +180,7 @@ static int mesh_plink_frame_tx(struct net_device *dev, /* two-byte status code followed by two-byte AID */ memset(pos, 0, 4); } - mesh_mgmt_ies_add(skb, dev); + mesh_mgmt_ies_add(skb, sdata); } /* Add Peer Link Management element */ @@ -217,15 +217,14 @@ static int mesh_plink_frame_tx(struct net_device *dev, memcpy(pos, &reason, 2); } - ieee80211_sta_tx(dev, skb, 0); + ieee80211_tx_skb(sdata, skb, 0); return 0; } -void mesh_neighbour_update(u8 *hw_addr, u64 rates, struct net_device *dev, +void mesh_neighbour_update(u8 *hw_addr, u64 rates, struct ieee80211_sub_if_data *sdata, bool peer_accepting_plinks) { - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_local *local = sdata->local; struct sta_info *sta; rcu_read_lock(); @@ -244,10 +243,10 @@ void mesh_neighbour_update(u8 *hw_addr, u64 rates, struct net_device *dev, } sta->last_rx = jiffies; - sta->supp_rates[local->hw.conf.channel->band] = rates; + sta->sta.supp_rates[local->hw.conf.channel->band] = rates; if (peer_accepting_plinks && sta->plink_state == PLINK_LISTEN && - sdata->u.sta.accepting_plinks && - sdata->u.sta.mshcfg.auto_open_plinks) + sdata->u.mesh.accepting_plinks && + sdata->u.mesh.mshcfg.auto_open_plinks) mesh_plink_open(sta); rcu_read_unlock(); @@ -257,7 +256,6 @@ static void mesh_plink_timer(unsigned long data) { struct sta_info *sta; __le16 llid, plid, reason; - struct net_device *dev = NULL; struct ieee80211_sub_if_data *sdata; #ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG DECLARE_MAC_BUF(mac); @@ -270,19 +268,18 @@ static void mesh_plink_timer(unsigned long data) */ sta = (struct sta_info *) data; - spin_lock_bh(&sta->plink_lock); + spin_lock_bh(&sta->lock); if (sta->ignore_plink_timer) { sta->ignore_plink_timer = false; - spin_unlock_bh(&sta->plink_lock); + spin_unlock_bh(&sta->lock); return; } mpl_dbg("Mesh plink timer for %s fired on state %d\n", - print_mac(mac, sta->addr), sta->plink_state); + print_mac(mac, sta->sta.addr), sta->plink_state); reason = 0; llid = sta->llid; plid = sta->plid; sdata = sta->sdata; - dev = sdata->dev; switch (sta->plink_state) { case PLINK_OPN_RCVD: @@ -291,15 +288,15 @@ static void mesh_plink_timer(unsigned long data) if (sta->plink_retries < dot11MeshMaxRetries(sdata)) { u32 rand; mpl_dbg("Mesh plink for %s (retry, timeout): %d %d\n", - print_mac(mac, sta->addr), + print_mac(mac, sta->sta.addr), sta->plink_retries, sta->plink_timeout); get_random_bytes(&rand, sizeof(u32)); sta->plink_timeout = sta->plink_timeout + rand % sta->plink_timeout; ++sta->plink_retries; mod_plink_timer(sta, sta->plink_timeout); - spin_unlock_bh(&sta->plink_lock); - mesh_plink_frame_tx(dev, PLINK_OPEN, sta->addr, llid, + spin_unlock_bh(&sta->lock); + mesh_plink_frame_tx(sdata, PLINK_OPEN, sta->sta.addr, llid, 0, 0); break; } @@ -311,18 +308,18 @@ static void mesh_plink_timer(unsigned long data) reason = cpu_to_le16(MESH_CONFIRM_TIMEOUT); sta->plink_state = PLINK_HOLDING; mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata)); - spin_unlock_bh(&sta->plink_lock); - mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid, plid, + spin_unlock_bh(&sta->lock); + mesh_plink_frame_tx(sdata, PLINK_CLOSE, sta->sta.addr, llid, plid, reason); break; case PLINK_HOLDING: /* holding timer */ del_timer(&sta->plink_timer); mesh_plink_fsm_restart(sta); - spin_unlock_bh(&sta->plink_lock); + spin_unlock_bh(&sta->lock); break; default: - spin_unlock_bh(&sta->plink_lock); + spin_unlock_bh(&sta->lock); break; } } @@ -344,21 +341,21 @@ int mesh_plink_open(struct sta_info *sta) DECLARE_MAC_BUF(mac); #endif - spin_lock_bh(&sta->plink_lock); + spin_lock_bh(&sta->lock); get_random_bytes(&llid, 2); sta->llid = llid; if (sta->plink_state != PLINK_LISTEN) { - spin_unlock_bh(&sta->plink_lock); + spin_unlock_bh(&sta->lock); return -EBUSY; } sta->plink_state = PLINK_OPN_SNT; mesh_plink_timer_set(sta, dot11MeshRetryTimeout(sdata)); - spin_unlock_bh(&sta->plink_lock); + spin_unlock_bh(&sta->lock); mpl_dbg("Mesh plink: starting establishment with %s\n", - print_mac(mac, sta->addr)); + print_mac(mac, sta->sta.addr)); - return mesh_plink_frame_tx(sdata->dev, PLINK_OPEN, - sta->addr, llid, 0, 0); + return mesh_plink_frame_tx(sdata, PLINK_OPEN, + sta->sta.addr, llid, 0, 0); } void mesh_plink_block(struct sta_info *sta) @@ -367,10 +364,10 @@ void mesh_plink_block(struct sta_info *sta) DECLARE_MAC_BUF(mac); #endif - spin_lock_bh(&sta->plink_lock); + spin_lock_bh(&sta->lock); __mesh_plink_deactivate(sta); sta->plink_state = PLINK_BLOCKED; - spin_unlock_bh(&sta->plink_lock); + spin_unlock_bh(&sta->lock); } int mesh_plink_close(struct sta_info *sta) @@ -382,15 +379,15 @@ int mesh_plink_close(struct sta_info *sta) #endif mpl_dbg("Mesh plink: closing link with %s\n", - print_mac(mac, sta->addr)); - spin_lock_bh(&sta->plink_lock); + print_mac(mac, sta->sta.addr)); + spin_lock_bh(&sta->lock); sta->reason = cpu_to_le16(MESH_LINK_CANCELLED); reason = sta->reason; if (sta->plink_state == PLINK_LISTEN || sta->plink_state == PLINK_BLOCKED) { mesh_plink_fsm_restart(sta); - spin_unlock_bh(&sta->plink_lock); + spin_unlock_bh(&sta->lock); return 0; } else if (sta->plink_state == PLINK_ESTAB) { __mesh_plink_deactivate(sta); @@ -402,16 +399,15 @@ int mesh_plink_close(struct sta_info *sta) sta->plink_state = PLINK_HOLDING; llid = sta->llid; plid = sta->plid; - spin_unlock_bh(&sta->plink_lock); - mesh_plink_frame_tx(sta->sdata->dev, PLINK_CLOSE, sta->addr, llid, + spin_unlock_bh(&sta->lock); + mesh_plink_frame_tx(sta->sdata, PLINK_CLOSE, sta->sta.addr, llid, plid, reason); return 0; } -void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt, +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 ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_local *local = sdata->local; struct ieee802_11_elems elems; struct sta_info *sta; @@ -425,6 +421,10 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt, DECLARE_MAC_BUF(mac); #endif + /* need action_code, aux */ + if (len < IEEE80211_MIN_ACTION_SIZE + 3) + return; + if (is_multicast_ether_addr(mgmt->da)) { mpl_dbg("Mesh plink: ignore frame from multicast address"); return; @@ -478,7 +478,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt, /* Now we will figure out the appropriate event... */ event = PLINK_UNDEFINED; - if (ftype != PLINK_CLOSE && (!mesh_matches_local(&elems, dev))) { + if (ftype != PLINK_CLOSE && (!mesh_matches_local(&elems, sdata))) { switch (ftype) { case PLINK_OPEN: event = OPN_RJCT; @@ -490,7 +490,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt, /* avoid warning */ break; } - spin_lock_bh(&sta->plink_lock); + spin_lock_bh(&sta->lock); } else if (!sta) { /* ftype == PLINK_OPEN */ u64 rates; @@ -512,9 +512,9 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt, return; } event = OPN_ACPT; - spin_lock_bh(&sta->plink_lock); + spin_lock_bh(&sta->lock); } else { - spin_lock_bh(&sta->plink_lock); + spin_lock_bh(&sta->lock); switch (ftype) { case PLINK_OPEN: if (!mesh_plink_free_count(sdata) || @@ -551,7 +551,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt, break; default: mpl_dbg("Mesh plink: unknown frame subtype\n"); - spin_unlock_bh(&sta->plink_lock); + spin_unlock_bh(&sta->lock); rcu_read_unlock(); return; } @@ -568,7 +568,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt, switch (event) { case CLS_ACPT: mesh_plink_fsm_restart(sta); - spin_unlock_bh(&sta->plink_lock); + spin_unlock_bh(&sta->lock); break; case OPN_ACPT: sta->plink_state = PLINK_OPN_RCVD; @@ -576,14 +576,14 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt, get_random_bytes(&llid, 2); sta->llid = llid; mesh_plink_timer_set(sta, dot11MeshRetryTimeout(sdata)); - spin_unlock_bh(&sta->plink_lock); - mesh_plink_frame_tx(dev, PLINK_OPEN, sta->addr, llid, + spin_unlock_bh(&sta->lock); + mesh_plink_frame_tx(sdata, PLINK_OPEN, sta->sta.addr, llid, 0, 0); - mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, + mesh_plink_frame_tx(sdata, PLINK_CONFIRM, sta->sta.addr, llid, plid, 0); break; default: - spin_unlock_bh(&sta->plink_lock); + spin_unlock_bh(&sta->lock); break; } break; @@ -603,8 +603,8 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt, sta->ignore_plink_timer = true; llid = sta->llid; - spin_unlock_bh(&sta->plink_lock); - mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid, + spin_unlock_bh(&sta->lock); + mesh_plink_frame_tx(sdata, PLINK_CLOSE, sta->sta.addr, llid, plid, reason); break; case OPN_ACPT: @@ -612,8 +612,8 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt, sta->plink_state = PLINK_OPN_RCVD; sta->plid = plid; llid = sta->llid; - spin_unlock_bh(&sta->plink_lock); - mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid, + spin_unlock_bh(&sta->lock); + mesh_plink_frame_tx(sdata, PLINK_CONFIRM, sta->sta.addr, llid, plid, 0); break; case CNF_ACPT: @@ -622,10 +622,10 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt, dot11MeshConfirmTimeout(sdata))) sta->ignore_plink_timer = true; - spin_unlock_bh(&sta->plink_lock); + spin_unlock_bh(&sta->lock); break; default: - spin_unlock_bh(&sta->plink_lock); + spin_unlock_bh(&sta->lock); break; } break; @@ -645,26 +645,26 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt, sta->ignore_plink_timer = true; llid = sta->llid; - spin_unlock_bh(&sta->plink_lock); - mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid, + spin_unlock_bh(&sta->lock); + mesh_plink_frame_tx(sdata, PLINK_CLOSE, sta->sta.addr, llid, plid, reason); break; case OPN_ACPT: llid = sta->llid; - spin_unlock_bh(&sta->plink_lock); - mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid, + spin_unlock_bh(&sta->lock); + mesh_plink_frame_tx(sdata, PLINK_CONFIRM, sta->sta.addr, llid, plid, 0); break; case CNF_ACPT: del_timer(&sta->plink_timer); sta->plink_state = PLINK_ESTAB; mesh_plink_inc_estab_count(sdata); - spin_unlock_bh(&sta->plink_lock); + spin_unlock_bh(&sta->lock); mpl_dbg("Mesh plink with %s ESTABLISHED\n", - print_mac(mac, sta->addr)); + print_mac(mac, sta->sta.addr)); break; default: - spin_unlock_bh(&sta->plink_lock); + spin_unlock_bh(&sta->lock); break; } break; @@ -684,22 +684,22 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt, sta->ignore_plink_timer = true; llid = sta->llid; - spin_unlock_bh(&sta->plink_lock); - mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid, + spin_unlock_bh(&sta->lock); + mesh_plink_frame_tx(sdata, PLINK_CLOSE, sta->sta.addr, llid, plid, reason); break; case OPN_ACPT: del_timer(&sta->plink_timer); sta->plink_state = PLINK_ESTAB; mesh_plink_inc_estab_count(sdata); - spin_unlock_bh(&sta->plink_lock); + spin_unlock_bh(&sta->lock); mpl_dbg("Mesh plink with %s ESTABLISHED\n", - print_mac(mac, sta->addr)); - mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid, + print_mac(mac, sta->sta.addr)); + mesh_plink_frame_tx(sdata, PLINK_CONFIRM, sta->sta.addr, llid, plid, 0); break; default: - spin_unlock_bh(&sta->plink_lock); + spin_unlock_bh(&sta->lock); break; } break; @@ -713,18 +713,18 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt, sta->plink_state = PLINK_HOLDING; llid = sta->llid; mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata)); - spin_unlock_bh(&sta->plink_lock); - mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid, + spin_unlock_bh(&sta->lock); + mesh_plink_frame_tx(sdata, PLINK_CLOSE, sta->sta.addr, llid, plid, reason); break; case OPN_ACPT: llid = sta->llid; - spin_unlock_bh(&sta->plink_lock); - mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid, + spin_unlock_bh(&sta->lock); + mesh_plink_frame_tx(sdata, PLINK_CONFIRM, sta->sta.addr, llid, plid, 0); break; default: - spin_unlock_bh(&sta->plink_lock); + spin_unlock_bh(&sta->lock); break; } break; @@ -734,7 +734,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt, if (del_timer(&sta->plink_timer)) sta->ignore_plink_timer = 1; mesh_plink_fsm_restart(sta); - spin_unlock_bh(&sta->plink_lock); + spin_unlock_bh(&sta->lock); break; case OPN_ACPT: case CNF_ACPT: @@ -742,19 +742,19 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt, case CNF_RJCT: llid = sta->llid; reason = sta->reason; - spin_unlock_bh(&sta->plink_lock); - mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid, - plid, reason); + spin_unlock_bh(&sta->lock); + mesh_plink_frame_tx(sdata, PLINK_CLOSE, sta->sta.addr, + llid, plid, reason); break; default: - spin_unlock_bh(&sta->plink_lock); + spin_unlock_bh(&sta->lock); } break; default: /* should not get here, PLINK_BLOCKED is dealt with at the * beggining of the function */ - spin_unlock_bh(&sta->plink_lock); + spin_unlock_bh(&sta->lock); break; } |