diff options
| -rw-r--r-- | net/mac80211/pm.c | 44 | ||||
| -rw-r--r-- | net/mac80211/util.c | 15 |
2 files changed, 56 insertions, 3 deletions
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c index 0f1c434638b..79a48f37d40 100644 --- a/net/mac80211/pm.c +++ b/net/mac80211/pm.c @@ -33,6 +33,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) struct ieee80211_local *local = hw_to_local(hw); struct ieee80211_sub_if_data *sdata; struct sta_info *sta; + struct ieee80211_chanctx *ctx; if (!local->open_count) goto suspend; @@ -139,14 +140,51 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) rcu_access_pointer(sdata->u.ap.beacon)) drv_stop_ap(local, sdata); - /* the interface is leaving the channel and is removed */ - ieee80211_vif_release_channel(sdata); + if (local->use_chanctx) { + struct ieee80211_chanctx_conf *conf; + + mutex_lock(&local->chanctx_mtx); + conf = rcu_dereference_protected( + sdata->vif.chanctx_conf, + lockdep_is_held(&local->chanctx_mtx)); + if (conf) { + ctx = container_of(conf, + struct ieee80211_chanctx, + conf); + drv_unassign_vif_chanctx(local, sdata, ctx); + } + + mutex_unlock(&local->chanctx_mtx); + } drv_remove_interface(local, sdata); } sdata = rtnl_dereference(local->monitor_sdata); - if (sdata) + if (sdata) { + if (local->use_chanctx) { + struct ieee80211_chanctx_conf *conf; + + mutex_lock(&local->chanctx_mtx); + conf = rcu_dereference_protected( + sdata->vif.chanctx_conf, + lockdep_is_held(&local->chanctx_mtx)); + if (conf) { + ctx = container_of(conf, + struct ieee80211_chanctx, + conf); + drv_unassign_vif_chanctx(local, sdata, ctx); + } + + mutex_unlock(&local->chanctx_mtx); + } + drv_remove_interface(local, sdata); + } + + mutex_lock(&local->chanctx_mtx); + list_for_each_entry(ctx, &local->chanctx_list, list) + drv_remove_chanctx(local, ctx); + mutex_unlock(&local->chanctx_mtx); /* stop hardware - this must stop RX */ if (local->open_count) diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 7fb55bf6561..2f08a7e09b7 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -1441,6 +1441,21 @@ int ieee80211_reconfig(struct ieee80211_local *local) mutex_unlock(&local->chanctx_mtx); } + sdata = rtnl_dereference(local->monitor_sdata); + if (sdata && local->use_chanctx && ieee80211_sdata_running(sdata)) { + struct ieee80211_chanctx_conf *ctx_conf; + + mutex_lock(&local->chanctx_mtx); + ctx_conf = rcu_dereference_protected(sdata->vif.chanctx_conf, + lockdep_is_held(&local->chanctx_mtx)); + if (ctx_conf) { + ctx = container_of(ctx_conf, struct ieee80211_chanctx, + conf); + drv_assign_vif_chanctx(local, sdata, ctx); + } + mutex_unlock(&local->chanctx_mtx); + } + /* add STAs back */ mutex_lock(&local->sta_mtx); list_for_each_entry(sta, &local->sta_list, list) { |