Lines Matching full:mesh
14 #include "mesh.h"
20 #define mod_plink_timer(s, t) (mod_timer(&s->mesh->plink_timer, \
61 s32 rssi_threshold = sdata->u.mesh.mshcfg.rssi_threshold; in rssi_threshold_check()
69 * mesh_plink_fsm_restart - restart a mesh peer link finite state machine
71 * @sta: mesh peer link to restart
73 * Locking: this function must be called holding sta->mesh->plink_lock
77 lockdep_assert_held(&sta->mesh->plink_lock); in mesh_plink_fsm_restart()
78 sta->mesh->plink_state = NL80211_PLINK_LISTEN; in mesh_plink_fsm_restart()
79 sta->mesh->llid = sta->mesh->plid = sta->mesh->reason = 0; in mesh_plink_fsm_restart()
80 sta->mesh->plink_retries = 0; in mesh_plink_fsm_restart()
86 * The standard indirectly mandates mesh STAs to turn off short slot time by
88 * can't be sneaky about it. Enable short slot time if all mesh STAs in the
124 sta->mesh->plink_state != NL80211_PLINK_ESTAB) in mesh_set_short_slot_time()
147 * @sdata: the (mesh) interface to handle
150 * mesh STA in a MBSS. Three HT protection modes are supported for now, non-HT
175 sta->mesh->plink_state != NL80211_PLINK_ESTAB) in mesh_set_ht_prot_mode()
205 sdata->u.mesh.mshcfg.ht_opmode = ht_opmode; in mesh_set_ht_prot_mode()
234 2 + sdata->u.mesh.mesh_id_len + in mesh_plink_frame_tx()
245 sdata->u.mesh.ie_len); in mesh_plink_frame_tx()
289 /* Add Mesh Peering Management element */ in mesh_plink_frame_tx()
350 * __mesh_plink_deactivate - deactivate mesh peer link
352 * @sta: mesh peer link to deactivate
354 * Mesh paths with this peer as next hop should be flushed
359 * Locking: the caller must hold sta->mesh->plink_lock
366 lockdep_assert_held(&sta->mesh->plink_lock); in __mesh_plink_deactivate()
368 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB) in __mesh_plink_deactivate()
370 sta->mesh->plink_state = NL80211_PLINK_BLOCKED; in __mesh_plink_deactivate()
380 * mesh_plink_deactivate - deactivate mesh peer link
382 * @sta: mesh peer link to deactivate
384 * All mesh paths with this peer as next hop will be flushed
391 spin_lock_bh(&sta->mesh->plink_lock); in mesh_plink_deactivate()
394 if (!sdata->u.mesh.user_mpm) { in mesh_plink_deactivate()
395 sta->mesh->reason = WLAN_REASON_MESH_PEER_CANCELED; in mesh_plink_deactivate()
397 sta->sta.addr, sta->mesh->llid, in mesh_plink_deactivate()
398 sta->mesh->plid, sta->mesh->reason); in mesh_plink_deactivate()
400 spin_unlock_bh(&sta->mesh->plink_lock); in mesh_plink_deactivate()
401 if (!sdata->u.mesh.user_mpm) in mesh_plink_deactivate()
402 del_timer_sync(&sta->mesh->plink_timer); in mesh_plink_deactivate()
427 spin_lock_bh(&sta->mesh->plink_lock); in mesh_sta_info_init()
431 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB && in mesh_sta_info_init()
432 sta->mesh->processed_beacon) in mesh_sta_info_init()
434 sta->mesh->processed_beacon = true; in mesh_sta_info_init()
469 spin_unlock_bh(&sta->mesh->plink_lock); in mesh_sta_info_init()
517 sta->mesh->plink_state = NL80211_PLINK_LISTEN; in __mesh_sta_info_alloc()
536 if (sdata->u.mesh.user_mpm || in mesh_sta_info_alloc()
537 sdata->u.mesh.security & IEEE80211_MESH_SEC_AUTHED) { in mesh_sta_info_alloc()
557 * mesh_sta_info_get - return mesh sta info entry for @addr.
561 * @elems: IEs from beacon or mesh peering frame.
597 * mesh_neighbour_update - update or initialize new mesh neighbor.
601 * @elems: IEs from beacon or mesh peering frame
618 sta->mesh->connected_to_gate = elems->mesh_config->meshconf_form & in mesh_neighbour_update()
622 sta->mesh->plink_state == NL80211_PLINK_LISTEN && in mesh_neighbour_update()
623 sdata->u.mesh.accepting_plinks && in mesh_neighbour_update()
624 sdata->u.mesh.mshcfg.auto_open_plinks && in mesh_neighbour_update()
636 struct mesh_sta *mesh = from_timer(mesh, t, plink_timer); in mesh_plink_timer() local
648 sta = mesh->plink_sta; in mesh_plink_timer()
653 spin_lock_bh(&sta->mesh->plink_lock); in mesh_plink_timer()
660 if (time_before(jiffies, sta->mesh->plink_timer.expires)) { in mesh_plink_timer()
663 sta->sta.addr, mplstates[sta->mesh->plink_state]); in mesh_plink_timer()
664 spin_unlock_bh(&sta->mesh->plink_lock); in mesh_plink_timer()
669 if (sta->mesh->plink_state == NL80211_PLINK_LISTEN || in mesh_plink_timer()
670 sta->mesh->plink_state == NL80211_PLINK_ESTAB) { in mesh_plink_timer()
673 sta->sta.addr, mplstates[sta->mesh->plink_state]); in mesh_plink_timer()
674 spin_unlock_bh(&sta->mesh->plink_lock); in mesh_plink_timer()
679 "Mesh plink timer for %pM fired on state %s\n", in mesh_plink_timer()
680 sta->sta.addr, mplstates[sta->mesh->plink_state]); in mesh_plink_timer()
682 mshcfg = &sdata->u.mesh.mshcfg; in mesh_plink_timer()
684 switch (sta->mesh->plink_state) { in mesh_plink_timer()
688 if (sta->mesh->plink_retries < mshcfg->dot11MeshMaxRetries) { in mesh_plink_timer()
691 "Mesh plink for %pM (retry, timeout): %d %d\n", in mesh_plink_timer()
692 sta->sta.addr, sta->mesh->plink_retries, in mesh_plink_timer()
693 sta->mesh->plink_timeout); in mesh_plink_timer()
695 sta->mesh->plink_timeout = sta->mesh->plink_timeout + in mesh_plink_timer()
696 rand % sta->mesh->plink_timeout; in mesh_plink_timer()
697 ++sta->mesh->plink_retries; in mesh_plink_timer()
698 mod_plink_timer(sta, sta->mesh->plink_timeout); in mesh_plink_timer()
708 sta->mesh->plink_state = NL80211_PLINK_HOLDING; in mesh_plink_timer()
714 del_timer(&sta->mesh->plink_timer); in mesh_plink_timer()
720 spin_unlock_bh(&sta->mesh->plink_lock); in mesh_plink_timer()
723 sta->mesh->llid, sta->mesh->plid, reason); in mesh_plink_timer()
728 sta->mesh->plink_timeout = timeout; in mesh_plink_timer_set()
729 mod_timer(&sta->mesh->plink_timer, jiffies + msecs_to_jiffies(timeout)); in mesh_plink_timer_set()
744 if (!memcmp(&sta->mesh->llid, &llid, sizeof(llid))) { in llid_in_use()
773 spin_lock_bh(&sta->mesh->plink_lock); in mesh_plink_open()
774 sta->mesh->llid = mesh_get_new_llid(sdata); in mesh_plink_open()
775 if (sta->mesh->plink_state != NL80211_PLINK_LISTEN && in mesh_plink_open()
776 sta->mesh->plink_state != NL80211_PLINK_BLOCKED) { in mesh_plink_open()
777 spin_unlock_bh(&sta->mesh->plink_lock); in mesh_plink_open()
780 sta->mesh->plink_state = NL80211_PLINK_OPN_SNT; in mesh_plink_open()
781 mesh_plink_timer_set(sta, sdata->u.mesh.mshcfg.dot11MeshRetryTimeout); in mesh_plink_open()
782 spin_unlock_bh(&sta->mesh->plink_lock); in mesh_plink_open()
784 "Mesh plink: starting establishment with %pM\n", in mesh_plink_open()
791 sta->sta.addr, sta->mesh->llid, 0, 0); in mesh_plink_open()
799 spin_lock_bh(&sta->mesh->plink_lock); in mesh_plink_block()
801 sta->mesh->plink_state = NL80211_PLINK_BLOCKED; in mesh_plink_block()
802 spin_unlock_bh(&sta->mesh->plink_lock); in mesh_plink_block()
812 struct mesh_config *mshcfg = &sdata->u.mesh.mshcfg; in mesh_plink_close()
816 sta->mesh->reason = reason; in mesh_plink_close()
817 sta->mesh->plink_state = NL80211_PLINK_HOLDING; in mesh_plink_close()
824 struct mesh_config *mshcfg = &sdata->u.mesh.mshcfg; in mesh_plink_establish()
827 del_timer(&sta->mesh->plink_timer); in mesh_plink_establish()
828 sta->mesh->plink_state = NL80211_PLINK_ESTAB; in mesh_plink_establish()
832 mpl_dbg(sdata, "Mesh plink with %pM ESTABLISHED\n", sta->sta.addr); in mesh_plink_establish()
842 * @sta: mesh neighbor
850 struct mesh_config *mshcfg = &sdata->u.mesh.mshcfg; in mesh_plink_fsm()
856 mplstates[sta->mesh->plink_state], mplevents[event]); in mesh_plink_fsm()
858 spin_lock_bh(&sta->mesh->plink_lock); in mesh_plink_fsm()
859 switch (sta->mesh->plink_state) { in mesh_plink_fsm()
866 sta->mesh->plink_state = NL80211_PLINK_OPN_RCVD; in mesh_plink_fsm()
867 sta->mesh->llid = mesh_get_new_llid(sdata); in mesh_plink_fsm()
889 sta->mesh->plink_state = NL80211_PLINK_OPN_RCVD; in mesh_plink_fsm()
893 sta->mesh->plink_state = NL80211_PLINK_CNF_RCVD; in mesh_plink_fsm()
954 del_timer(&sta->mesh->plink_timer); in mesh_plink_fsm()
973 spin_unlock_bh(&sta->mesh->plink_lock); in mesh_plink_fsm()
978 sta->mesh->llid, sta->mesh->plid, in mesh_plink_fsm()
979 sta->mesh->reason); in mesh_plink_fsm()
985 sta->sta.addr, sta->mesh->llid, in mesh_plink_fsm()
986 sta->mesh->plid, 0); in mesh_plink_fsm()
1028 mpl_dbg(sdata, "Mesh plink: cls or cnf from unknown peer\n"); in mesh_plink_get_event()
1033 mpl_dbg(sdata, "Mesh plink error: no more free plinks\n"); in mesh_plink_get_event()
1042 mpl_dbg(sdata, "Mesh plink: Action frame from non-authed peer\n"); in mesh_plink_get_event()
1045 if (sta->mesh->plink_state == NL80211_PLINK_BLOCKED) in mesh_plink_get_event()
1054 (sta->mesh->plid && sta->mesh->plid != plid)) in mesh_plink_get_event()
1063 sta->mesh->llid != llid || in mesh_plink_get_event()
1064 (sta->mesh->plid && sta->mesh->plid != plid)) in mesh_plink_get_event()
1070 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB) in mesh_plink_get_event()
1081 else if (sta->mesh->plid != plid) in mesh_plink_get_event()
1083 else if (ie_len == 8 && sta->mesh->llid != llid) in mesh_plink_get_event()
1089 mpl_dbg(sdata, "Mesh plink: unknown frame subtype\n"); in mesh_plink_get_event()
1113 "Mesh plink: missing necessary peer link ie\n"); in mesh_process_plink_frame()
1118 sdata->u.mesh.security == IEEE80211_MESH_SEC_NONE) { in mesh_process_plink_frame()
1120 "Mesh plink: can't establish link with secure peer\n"); in mesh_process_plink_frame()
1130 "Mesh plink: incorrect plink ie length %d %d\n", in mesh_process_plink_frame()
1137 mpl_dbg(sdata, "Mesh plink: missing necessary ie\n"); in mesh_process_plink_frame()
1155 mpl_dbg(sdata, "Mesh plink: %pM does not meet rssi threshold\n", in mesh_process_plink_frame()
1168 mpl_dbg(sdata, "Mesh plink: failed to init peer!\n"); in mesh_process_plink_frame()
1171 sta->mesh->plid = plid; in mesh_process_plink_frame()
1184 if (!sta->mesh->plid) in mesh_process_plink_frame()
1185 sta->mesh->plid = plid; in mesh_process_plink_frame()
1187 sta->mesh->aid = get_unaligned_le16(PLINK_CNF_AID(mgmt)); in mesh_process_plink_frame()
1211 if (sdata->u.mesh.user_mpm) in mesh_rx_plink_frame()
1217 "Mesh plink: ignore frame from multicast address\n"); in mesh_rx_plink_frame()