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Commit 433f5bc1 authored by Johannes Berg's avatar Johannes Berg
Browse files

mac80211: move mesh related station fields to own struct 



There are now a fairly large number of mesh fields that really
aren't needed in any other modes; move those into their own
structure and allocate them separately.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent e414eea7

net/mac80211/cfg.c

+4 −4
Original line number Diff line number Diff line
@@ -1150,10 +1150,10 @@ static int sta_apply_parameters(struct ieee80211_local *local, 
		if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {

			switch (params->plink_state) {

			case NL80211_PLINK_ESTAB:

				if (sta->plink_state != NL80211_PLINK_ESTAB)

				if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)

					changed = mesh_plink_inc_estab_count(

							sdata);

				sta->plink_state = params->plink_state;

				sta->mesh->plink_state = params->plink_state;



				ieee80211_mps_sta_status_update(sta);

				changed |= ieee80211_mps_set_sta_local_pm(sta,
@@ -1165,10 +1165,10 @@ static int sta_apply_parameters(struct ieee80211_local *local, 
			case NL80211_PLINK_OPN_RCVD:

			case NL80211_PLINK_CNF_RCVD:

			case NL80211_PLINK_HOLDING:

				if (sta->plink_state == NL80211_PLINK_ESTAB)

				if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)

					changed = mesh_plink_dec_estab_count(

							sdata);

				sta->plink_state = params->plink_state;

				sta->mesh->plink_state = params->plink_state;



				ieee80211_mps_sta_status_update(sta);

				changed |= ieee80211_mps_set_sta_local_pm(sta,

net/mac80211/mesh.c

+1 −1
Original line number Diff line number Diff line
@@ -158,7 +158,7 @@ void mesh_sta_cleanup(struct sta_info *sta) 
	changed = mesh_accept_plinks_update(sdata);

	if (!sdata->u.mesh.user_mpm) {

		changed |= mesh_plink_deactivate(sta);

		del_timer_sync(&sta->plink_timer);

		del_timer_sync(&sta->mesh->plink_timer);

	}



	if (changed)

net/mac80211/mesh_hwmp.c

+1 −1
Original line number Diff line number Diff line
@@ -862,7 +862,7 @@ void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata, 


	rcu_read_lock();

	sta = sta_info_get(sdata, mgmt->sa);

	if (!sta || sta->plink_state != NL80211_PLINK_ESTAB) {

	if (!sta || sta->mesh->plink_state != NL80211_PLINK_ESTAB) {

		rcu_read_unlock();

		return;

	}

net/mac80211/mesh_plink.c

+89 −88
Original line number Diff line number Diff line
@@ -16,7 +16,7 @@ 
#define PLINK_GET_LLID(p) (p + 2)

#define PLINK_GET_PLID(p) (p + 4)



#define mod_plink_timer(s, t) (mod_timer(&s->plink_timer, \

#define mod_plink_timer(s, t) (mod_timer(&s->mesh->plink_timer, \

				jiffies + msecs_to_jiffies(t)))



enum plink_event {
@@ -72,14 +72,14 @@ static bool rssi_threshold_check(struct ieee80211_sub_if_data *sdata, 
 *

 * @sta: mesh peer link to restart

 *

 * Locking: this function must be called holding sta->plink_lock

 * Locking: this function must be called holding sta->mesh->plink_lock

 */

static inline void mesh_plink_fsm_restart(struct sta_info *sta)

{

	lockdep_assert_held(&sta->plink_lock);

	sta->plink_state = NL80211_PLINK_LISTEN;

	sta->llid = sta->plid = sta->reason = 0;

	sta->plink_retries = 0;

	lockdep_assert_held(&sta->mesh->plink_lock);

	sta->mesh->plink_state = NL80211_PLINK_LISTEN;

	sta->mesh->llid = sta->mesh->plid = sta->mesh->reason = 0;

	sta->mesh->plink_retries = 0;

}



/*
@@ -119,7 +119,7 @@ static u32 mesh_set_short_slot_time(struct ieee80211_sub_if_data *sdata) 
	rcu_read_lock();

	list_for_each_entry_rcu(sta, &local->sta_list, list) {

		if (sdata != sta->sdata ||

		    sta->plink_state != NL80211_PLINK_ESTAB)

		    sta->mesh->plink_state != NL80211_PLINK_ESTAB)

			continue;



		short_slot = false;
@@ -169,7 +169,7 @@ static u32 mesh_set_ht_prot_mode(struct ieee80211_sub_if_data *sdata) 
	rcu_read_lock();

	list_for_each_entry_rcu(sta, &local->sta_list, list) {

		if (sdata != sta->sdata ||

		    sta->plink_state != NL80211_PLINK_ESTAB)

		    sta->mesh->plink_state != NL80211_PLINK_ESTAB)

			continue;



		if (sta->sta.bandwidth > IEEE80211_STA_RX_BW_20)
@@ -212,18 +212,18 @@ static u32 mesh_set_ht_prot_mode(struct ieee80211_sub_if_data *sdata) 
 * All mesh paths with this peer as next hop will be flushed

 * Returns beacon changed flag if the beacon content changed.

 *

 * Locking: the caller must hold sta->plink_lock

 * Locking: the caller must hold sta->mesh->plink_lock

 */

static u32 __mesh_plink_deactivate(struct sta_info *sta)

{

	struct ieee80211_sub_if_data *sdata = sta->sdata;

	u32 changed = 0;



	lockdep_assert_held(&sta->plink_lock);

	lockdep_assert_held(&sta->mesh->plink_lock);



	if (sta->plink_state == NL80211_PLINK_ESTAB)

	if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)

		changed = mesh_plink_dec_estab_count(sdata);

	sta->plink_state = NL80211_PLINK_BLOCKED;

	sta->mesh->plink_state = NL80211_PLINK_BLOCKED;

	mesh_path_flush_by_nexthop(sta);



	ieee80211_mps_sta_status_update(sta);
@@ -245,13 +245,13 @@ u32 mesh_plink_deactivate(struct sta_info *sta) 
	struct ieee80211_sub_if_data *sdata = sta->sdata;

	u32 changed;



	spin_lock_bh(&sta->plink_lock);

	spin_lock_bh(&sta->mesh->plink_lock);

	changed = __mesh_plink_deactivate(sta);

	sta->reason = WLAN_REASON_MESH_PEER_CANCELED;

	sta->mesh->reason = WLAN_REASON_MESH_PEER_CANCELED;

	mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_CLOSE,

			    sta->sta.addr, sta->llid, sta->plid,

			    sta->reason);

	spin_unlock_bh(&sta->plink_lock);

			    sta->sta.addr, sta->mesh->llid, sta->mesh->plid,

			    sta->mesh->reason);

	spin_unlock_bh(&sta->mesh->plink_lock);



	return changed;

}
@@ -388,13 +388,14 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata, 
	sband = local->hw.wiphy->bands[band];

	rates = ieee80211_sta_get_rates(sdata, elems, band, &basic_rates);



	spin_lock_bh(&sta->plink_lock);

	spin_lock_bh(&sta->mesh->plink_lock);

	sta->last_rx = jiffies;



	/* rates and capabilities don't change during peering */

	if (sta->plink_state == NL80211_PLINK_ESTAB && sta->processed_beacon)

	if (sta->mesh->plink_state == NL80211_PLINK_ESTAB &&

	    sta->mesh->processed_beacon)

		goto out;

	sta->processed_beacon = true;

	sta->mesh->processed_beacon = true;



	if (sta->sta.supp_rates[band] != rates)

		changed |= IEEE80211_RC_SUPP_RATES_CHANGED;
@@ -421,7 +422,7 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata, 
	else

		rate_control_rate_update(local, sband, sta, changed);

out:

	spin_unlock_bh(&sta->plink_lock);

	spin_unlock_bh(&sta->mesh->plink_lock);

}



static struct sta_info *
@@ -436,7 +437,7 @@ __mesh_sta_info_alloc(struct ieee80211_sub_if_data *sdata, u8 *hw_addr) 
	if (!sta)

		return NULL;



	sta->plink_state = NL80211_PLINK_LISTEN;

	sta->mesh->plink_state = NL80211_PLINK_LISTEN;

	sta->sta.wme = true;



	sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
@@ -524,7 +525,7 @@ void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata, 
		goto out;



	if (mesh_peer_accepts_plinks(elems) &&

	    sta->plink_state == NL80211_PLINK_LISTEN &&

	    sta->mesh->plink_state == NL80211_PLINK_LISTEN &&

	    sdata->u.mesh.accepting_plinks &&

	    sdata->u.mesh.mshcfg.auto_open_plinks &&

	    rssi_threshold_check(sdata, sta))
@@ -554,52 +555,52 @@ static void mesh_plink_timer(unsigned long data) 
	if (sta->sdata->local->quiescing)

		return;



	spin_lock_bh(&sta->plink_lock);

	spin_lock_bh(&sta->mesh->plink_lock);



	/* If a timer fires just before a state transition on another CPU,

	 * we may have already extended the timeout and changed state by the

	 * time we've acquired the lock and arrived  here.  In that case,

	 * skip this timer and wait for the new one.

	 */

	if (time_before(jiffies, sta->plink_timer.expires)) {

	if (time_before(jiffies, sta->mesh->plink_timer.expires)) {

		mpl_dbg(sta->sdata,

			"Ignoring timer for %pM in state %s (timer adjusted)",

			sta->sta.addr, mplstates[sta->plink_state]);

		spin_unlock_bh(&sta->plink_lock);

			sta->sta.addr, mplstates[sta->mesh->plink_state]);

		spin_unlock_bh(&sta->mesh->plink_lock);

		return;

	}



	/* del_timer() and handler may race when entering these states */

	if (sta->plink_state == NL80211_PLINK_LISTEN ||

	    sta->plink_state == NL80211_PLINK_ESTAB) {

	if (sta->mesh->plink_state == NL80211_PLINK_LISTEN ||

	    sta->mesh->plink_state == NL80211_PLINK_ESTAB) {

		mpl_dbg(sta->sdata,

			"Ignoring timer for %pM in state %s (timer deleted)",

			sta->sta.addr, mplstates[sta->plink_state]);

		spin_unlock_bh(&sta->plink_lock);

			sta->sta.addr, mplstates[sta->mesh->plink_state]);

		spin_unlock_bh(&sta->mesh->plink_lock);

		return;

	}



	mpl_dbg(sta->sdata,

		"Mesh plink timer for %pM fired on state %s\n",

		sta->sta.addr, mplstates[sta->plink_state]);

		sta->sta.addr, mplstates[sta->mesh->plink_state]);

	sdata = sta->sdata;

	mshcfg = &sdata->u.mesh.mshcfg;



	switch (sta->plink_state) {

	switch (sta->mesh->plink_state) {

	case NL80211_PLINK_OPN_RCVD:

	case NL80211_PLINK_OPN_SNT:

		/* retry timer */

		if (sta->plink_retries < mshcfg->dot11MeshMaxRetries) {

		if (sta->mesh->plink_retries < mshcfg->dot11MeshMaxRetries) {

			u32 rand;

			mpl_dbg(sta->sdata,

				"Mesh plink for %pM (retry, timeout): %d %d\n",

				sta->sta.addr, sta->plink_retries,

				sta->plink_timeout);

				sta->sta.addr, sta->mesh->plink_retries,

				sta->mesh->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);

			sta->mesh->plink_timeout = sta->mesh->plink_timeout +

					     rand % sta->mesh->plink_timeout;

			++sta->mesh->plink_retries;

			mod_plink_timer(sta, sta->mesh->plink_timeout);

			action = WLAN_SP_MESH_PEERING_OPEN;

			break;

		}
@@ -609,31 +610,31 @@ static void mesh_plink_timer(unsigned long data) 
		/* confirm timer */

		if (!reason)

			reason = WLAN_REASON_MESH_CONFIRM_TIMEOUT;

		sta->plink_state = NL80211_PLINK_HOLDING;

		sta->mesh->plink_state = NL80211_PLINK_HOLDING;

		mod_plink_timer(sta, mshcfg->dot11MeshHoldingTimeout);

		action = WLAN_SP_MESH_PEERING_CLOSE;

		break;

	case NL80211_PLINK_HOLDING:

		/* holding timer */

		del_timer(&sta->plink_timer);

		del_timer(&sta->mesh->plink_timer);

		mesh_plink_fsm_restart(sta);

		break;

	default:

		break;

	}

	spin_unlock_bh(&sta->plink_lock);

	spin_unlock_bh(&sta->mesh->plink_lock);

	if (action)

		mesh_plink_frame_tx(sdata, action, sta->sta.addr,

				    sta->llid, sta->plid, reason);

				    sta->mesh->llid, sta->mesh->plid, reason);

}



static inline void mesh_plink_timer_set(struct sta_info *sta, u32 timeout)

{

	sta->plink_timer.expires = jiffies + msecs_to_jiffies(timeout);

	sta->plink_timer.data = (unsigned long) sta;

	sta->plink_timer.function = mesh_plink_timer;

	sta->plink_timeout = timeout;

	add_timer(&sta->plink_timer);

	sta->mesh->plink_timer.expires = jiffies + msecs_to_jiffies(timeout);

	sta->mesh->plink_timer.data = (unsigned long) sta;

	sta->mesh->plink_timer.function = mesh_plink_timer;

	sta->mesh->plink_timeout = timeout;

	add_timer(&sta->mesh->plink_timer);

}



static bool llid_in_use(struct ieee80211_sub_if_data *sdata,
@@ -645,7 +646,7 @@ static bool llid_in_use(struct ieee80211_sub_if_data *sdata, 


	rcu_read_lock();

	list_for_each_entry_rcu(sta, &local->sta_list, list) {

		if (!memcmp(&sta->llid, &llid, sizeof(llid))) {

		if (!memcmp(&sta->mesh->llid, &llid, sizeof(llid))) {

			in_use = true;

			break;

		}
@@ -676,16 +677,16 @@ u32 mesh_plink_open(struct sta_info *sta) 
	if (!test_sta_flag(sta, WLAN_STA_AUTH))

		return 0;



	spin_lock_bh(&sta->plink_lock);

	sta->llid = mesh_get_new_llid(sdata);

	if (sta->plink_state != NL80211_PLINK_LISTEN &&

	    sta->plink_state != NL80211_PLINK_BLOCKED) {

		spin_unlock_bh(&sta->plink_lock);

	spin_lock_bh(&sta->mesh->plink_lock);

	sta->mesh->llid = mesh_get_new_llid(sdata);

	if (sta->mesh->plink_state != NL80211_PLINK_LISTEN &&

	    sta->mesh->plink_state != NL80211_PLINK_BLOCKED) {

		spin_unlock_bh(&sta->mesh->plink_lock);

		return 0;

	}

	sta->plink_state = NL80211_PLINK_OPN_SNT;

	sta->mesh->plink_state = NL80211_PLINK_OPN_SNT;

	mesh_plink_timer_set(sta, sdata->u.mesh.mshcfg.dot11MeshRetryTimeout);

	spin_unlock_bh(&sta->plink_lock);

	spin_unlock_bh(&sta->mesh->plink_lock);

	mpl_dbg(sdata,

		"Mesh plink: starting establishment with %pM\n",

		sta->sta.addr);
@@ -694,7 +695,7 @@ u32 mesh_plink_open(struct sta_info *sta) 
	changed = ieee80211_mps_local_status_update(sdata);



	mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_OPEN,

			    sta->sta.addr, sta->llid, 0, 0);

			    sta->sta.addr, sta->mesh->llid, 0, 0);

	return changed;

}
@@ -702,10 +703,10 @@ u32 mesh_plink_block(struct sta_info *sta) 
{

	u32 changed;



	spin_lock_bh(&sta->plink_lock);

	spin_lock_bh(&sta->mesh->plink_lock);

	changed = __mesh_plink_deactivate(sta);

	sta->plink_state = NL80211_PLINK_BLOCKED;

	spin_unlock_bh(&sta->plink_lock);

	sta->mesh->plink_state = NL80211_PLINK_BLOCKED;

	spin_unlock_bh(&sta->mesh->plink_lock);



	return changed;

}
@@ -715,12 +716,11 @@ static void mesh_plink_close(struct ieee80211_sub_if_data *sdata, 
			     enum plink_event event)

{

	struct mesh_config *mshcfg = &sdata->u.mesh.mshcfg;



	u16 reason = (event == CLS_ACPT) ?

		     WLAN_REASON_MESH_CLOSE : WLAN_REASON_MESH_CONFIG;



	sta->reason = reason;

	sta->plink_state = NL80211_PLINK_HOLDING;

	sta->mesh->reason = reason;

	sta->mesh->plink_state = NL80211_PLINK_HOLDING;

	mod_plink_timer(sta, mshcfg->dot11MeshHoldingTimeout);

}
@@ -730,8 +730,8 @@ static u32 mesh_plink_establish(struct ieee80211_sub_if_data *sdata, 
	struct mesh_config *mshcfg = &sdata->u.mesh.mshcfg;

	u32 changed = 0;



	del_timer(&sta->plink_timer);

	sta->plink_state = NL80211_PLINK_ESTAB;

	del_timer(&sta->mesh->plink_timer);

	sta->mesh->plink_state = NL80211_PLINK_ESTAB;

	changed |= mesh_plink_inc_estab_count(sdata);

	changed |= mesh_set_ht_prot_mode(sdata);

	changed |= mesh_set_short_slot_time(sdata);
@@ -758,18 +758,18 @@ static u32 mesh_plink_fsm(struct ieee80211_sub_if_data *sdata, 
	u32 changed = 0;



	mpl_dbg(sdata, "peer %pM in state %s got event %s\n", sta->sta.addr,

		mplstates[sta->plink_state], mplevents[event]);

		mplstates[sta->mesh->plink_state], mplevents[event]);



	spin_lock_bh(&sta->plink_lock);

	switch (sta->plink_state) {

	spin_lock_bh(&sta->mesh->plink_lock);

	switch (sta->mesh->plink_state) {

	case NL80211_PLINK_LISTEN:

		switch (event) {

		case CLS_ACPT:

			mesh_plink_fsm_restart(sta);

			break;

		case OPN_ACPT:

			sta->plink_state = NL80211_PLINK_OPN_RCVD;

			sta->llid = mesh_get_new_llid(sdata);

			sta->mesh->plink_state = NL80211_PLINK_OPN_RCVD;

			sta->mesh->llid = mesh_get_new_llid(sdata);

			mesh_plink_timer_set(sta,

					     mshcfg->dot11MeshRetryTimeout);
@@ -791,11 +791,11 @@ static u32 mesh_plink_fsm(struct ieee80211_sub_if_data *sdata, 
			break;

		case OPN_ACPT:

			/* retry timer is left untouched */

			sta->plink_state = NL80211_PLINK_OPN_RCVD;

			sta->mesh->plink_state = NL80211_PLINK_OPN_RCVD;

			action = WLAN_SP_MESH_PEERING_CONFIRM;

			break;

		case CNF_ACPT:

			sta->plink_state = NL80211_PLINK_CNF_RCVD;

			sta->mesh->plink_state = NL80211_PLINK_CNF_RCVD;

			mod_plink_timer(sta, mshcfg->dot11MeshConfirmTimeout);

			break;

		default:
@@ -855,7 +855,7 @@ static u32 mesh_plink_fsm(struct ieee80211_sub_if_data *sdata, 
	case NL80211_PLINK_HOLDING:

		switch (event) {

		case CLS_ACPT:

			del_timer(&sta->plink_timer);

			del_timer(&sta->mesh->plink_timer);

			mesh_plink_fsm_restart(sta);

			break;

		case OPN_ACPT:
@@ -874,17 +874,18 @@ static u32 mesh_plink_fsm(struct ieee80211_sub_if_data *sdata, 
		 */

		break;

	}

	spin_unlock_bh(&sta->plink_lock);

	spin_unlock_bh(&sta->mesh->plink_lock);

	if (action) {

		mesh_plink_frame_tx(sdata, action, sta->sta.addr,

				    sta->llid, sta->plid, sta->reason);

				    sta->mesh->llid, sta->mesh->plid,

				    sta->mesh->reason);



		/* also send confirm in open case */

		if (action == WLAN_SP_MESH_PEERING_OPEN) {

			mesh_plink_frame_tx(sdata,

					    WLAN_SP_MESH_PEERING_CONFIRM,

					    sta->sta.addr, sta->llid,

					    sta->plid, 0);

					    sta->sta.addr, sta->mesh->llid,

					    sta->mesh->plid, 0);

		}

	}
@@ -939,7 +940,7 @@ mesh_plink_get_event(struct ieee80211_sub_if_data *sdata, 
			mpl_dbg(sdata, "Mesh plink: Action frame from non-authed peer\n");

			goto out;

		}

		if (sta->plink_state == NL80211_PLINK_BLOCKED)

		if (sta->mesh->plink_state == NL80211_PLINK_BLOCKED)

			goto out;

	}
@@ -954,7 +955,7 @@ mesh_plink_get_event(struct ieee80211_sub_if_data *sdata, 
		if (!matches_local)

			event = OPN_RJCT;

		if (!mesh_plink_free_count(sdata) ||

		    (sta->plid && sta->plid != plid))

		    (sta->mesh->plid && sta->mesh->plid != plid))

			event = OPN_IGNR;

		else

			event = OPN_ACPT;
@@ -963,14 +964,14 @@ mesh_plink_get_event(struct ieee80211_sub_if_data *sdata, 
		if (!matches_local)

			event = CNF_RJCT;

		if (!mesh_plink_free_count(sdata) ||

		    sta->llid != llid ||

		    (sta->plid && sta->plid != plid))

		    sta->mesh->llid != llid ||

		    (sta->mesh->plid && sta->mesh->plid != plid))

			event = CNF_IGNR;

		else

			event = CNF_ACPT;

		break;

	case WLAN_SP_MESH_PEERING_CLOSE:

		if (sta->plink_state == NL80211_PLINK_ESTAB)

		if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)

			/* Do not check for llid or plid. This does not

			 * follow the standard but since multiple plinks

			 * per sta are not supported, it is necessary in
@@ -981,9 +982,9 @@ mesh_plink_get_event(struct ieee80211_sub_if_data *sdata, 
			 * restarted.

			 */

			event = CLS_ACPT;

		else if (sta->plid != plid)

		else if (sta->mesh->plid != plid)

			event = CLS_IGNR;

		else if (ie_len == 8 && sta->llid != llid)

		else if (ie_len == 8 && sta->mesh->llid != llid)

			event = CLS_IGNR;

		else

			event = CLS_ACPT;
@@ -1070,7 +1071,7 @@ mesh_process_plink_frame(struct ieee80211_sub_if_data *sdata, 
			mpl_dbg(sdata, "Mesh plink: failed to init peer!\n");

			goto unlock_rcu;

		}

		sta->plid = plid;

		sta->mesh->plid = plid;

	} else if (!sta && event == OPN_RJCT) {

		mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_CLOSE,

				    mgmt->sa, 0, plid,
@@ -1082,8 +1083,8 @@ mesh_process_plink_frame(struct ieee80211_sub_if_data *sdata, 
	}



	/* 802.11-2012 13.3.7.2 - update plid on CNF if not set */

	if (!sta->plid && event == CNF_ACPT)

		sta->plid = plid;

	if (!sta->mesh->plid && event == CNF_ACPT)

		sta->mesh->plid = plid;



	changed |= mesh_plink_fsm(sdata, sta, event);

net/mac80211/mesh_ps.c

+21 −21
Original line number Diff line number Diff line
@@ -92,16 +92,16 @@ u32 ieee80211_mps_local_status_update(struct ieee80211_sub_if_data *sdata) 
		if (sdata != sta->sdata)

			continue;



		switch (sta->plink_state) {

		switch (sta->mesh->plink_state) {

		case NL80211_PLINK_OPN_SNT:

		case NL80211_PLINK_OPN_RCVD:

		case NL80211_PLINK_CNF_RCVD:

			peering = true;

			break;

		case NL80211_PLINK_ESTAB:

			if (sta->local_pm == NL80211_MESH_POWER_LIGHT_SLEEP)

			if (sta->mesh->local_pm == NL80211_MESH_POWER_LIGHT_SLEEP)

				light_sleep_cnt++;

			else if (sta->local_pm == NL80211_MESH_POWER_DEEP_SLEEP)

			else if (sta->mesh->local_pm == NL80211_MESH_POWER_DEEP_SLEEP)

				deep_sleep_cnt++;

			break;

		default:
@@ -153,19 +153,19 @@ u32 ieee80211_mps_set_sta_local_pm(struct sta_info *sta, 
{

	struct ieee80211_sub_if_data *sdata = sta->sdata;



	if (sta->local_pm == pm)

	if (sta->mesh->local_pm == pm)

		return 0;



	mps_dbg(sdata, "local STA operates in mode %d with %pM\n",

		pm, sta->sta.addr);



	sta->local_pm = pm;

	sta->mesh->local_pm = pm;



	/*

	 * announce peer-specific power mode transition

	 * (see IEEE802.11-2012 13.14.3.2 and 13.14.3.3)

	 */

	if (sta->plink_state == NL80211_PLINK_ESTAB)

	if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)

		mps_qos_null_tx(sta);



	return ieee80211_mps_local_status_update(sdata);
@@ -197,8 +197,8 @@ void ieee80211_mps_set_frame_flags(struct ieee80211_sub_if_data *sdata, 


	if (is_unicast_ether_addr(hdr->addr1) &&

	    ieee80211_is_data_qos(hdr->frame_control) &&

	    sta->plink_state == NL80211_PLINK_ESTAB)

		pm = sta->local_pm;

	    sta->mesh->plink_state == NL80211_PLINK_ESTAB)

		pm = sta->mesh->local_pm;

	else

		pm = sdata->u.mesh.nonpeer_pm;
@@ -241,16 +241,16 @@ void ieee80211_mps_sta_status_update(struct sta_info *sta) 
	 * use peer-specific power mode if peering is established and the

	 * peer's power mode is known

	 */

	if (sta->plink_state == NL80211_PLINK_ESTAB &&

	    sta->peer_pm != NL80211_MESH_POWER_UNKNOWN)

		pm = sta->peer_pm;

	if (sta->mesh->plink_state == NL80211_PLINK_ESTAB &&

	    sta->mesh->peer_pm != NL80211_MESH_POWER_UNKNOWN)

		pm = sta->mesh->peer_pm;

	else

		pm = sta->nonpeer_pm;

		pm = sta->mesh->nonpeer_pm;



	do_buffer = (pm != NL80211_MESH_POWER_ACTIVE);



	/* clear the MPSP flags for non-peers or active STA */

	if (sta->plink_state != NL80211_PLINK_ESTAB) {

	if (sta->mesh->plink_state != NL80211_PLINK_ESTAB) {

		clear_sta_flag(sta, WLAN_STA_MPSP_OWNER);

		clear_sta_flag(sta, WLAN_STA_MPSP_RECIPIENT);

	} else if (!do_buffer) {
@@ -296,13 +296,13 @@ static void mps_set_sta_peer_pm(struct sta_info *sta, 
		pm = NL80211_MESH_POWER_ACTIVE;

	}



	if (sta->peer_pm == pm)

	if (sta->mesh->peer_pm == pm)

		return;



	mps_dbg(sta->sdata, "STA %pM enters mode %d\n",

		sta->sta.addr, pm);



	sta->peer_pm = pm;

	sta->mesh->peer_pm = pm;



	ieee80211_mps_sta_status_update(sta);

}
@@ -317,13 +317,13 @@ static void mps_set_sta_nonpeer_pm(struct sta_info *sta, 
	else

		pm = NL80211_MESH_POWER_ACTIVE;



	if (sta->nonpeer_pm == pm)

	if (sta->mesh->nonpeer_pm == pm)

		return;



	mps_dbg(sta->sdata, "STA %pM sets non-peer mode to %d\n",

		sta->sta.addr, pm);



	sta->nonpeer_pm = pm;

	sta->mesh->nonpeer_pm = pm;



	ieee80211_mps_sta_status_update(sta);

}
@@ -552,7 +552,7 @@ void ieee80211_mpsp_trigger_process(u8 *qc, struct sta_info *sta, 
	} else {

		if (eosp)

			clear_sta_flag(sta, WLAN_STA_MPSP_RECIPIENT);

		else if (sta->local_pm != NL80211_MESH_POWER_ACTIVE)

		else if (sta->mesh->local_pm != NL80211_MESH_POWER_ACTIVE)

			set_sta_flag(sta, WLAN_STA_MPSP_RECIPIENT);



		if (rspi && !test_and_set_sta_flag(sta, WLAN_STA_MPSP_OWNER))
@@ -577,9 +577,9 @@ void ieee80211_mps_frame_release(struct sta_info *sta, 
	int ac, buffer_local = 0;

	bool has_buffered = false;



	if (sta->plink_state == NL80211_PLINK_ESTAB)

	if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)

		has_buffered = ieee80211_check_tim(elems->tim, elems->tim_len,

						   sta->llid);

						   sta->mesh->llid);



	if (has_buffered)

		mps_dbg(sta->sdata, "%pM indicates buffered frames\n",
@@ -598,7 +598,7 @@ void ieee80211_mps_frame_release(struct sta_info *sta, 
	if (!has_buffered && !buffer_local)

		return;



	if (sta->plink_state == NL80211_PLINK_ESTAB)

	if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)

		mpsp_trigger_send(sta, has_buffered, !buffer_local);

	else

		mps_frame_deliver(sta, 1);