diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2013-03-28 02:20:27 +0400 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-04-08 11:17:00 +0400 |
| commit | 3c3e21e7443bdb948437a6e925fd111e932dc083 (patch) | |
| tree | f8d2035b81e1aef8c0f26ade67c9756da5109b2d | |
| parent | c8f994eec2a966a7a5fb6a3be517e3ede6a3cafa (diff) | |
| download | linux-3c3e21e7443bdb948437a6e925fd111e932dc083.tar.xz | |
mac80211: destroy virtual monitor interface across suspend
It has to be removed from the driver, but completely
destroying it helps handle unplug of a device during
suspend since then the channel context handling etc.
doesn't have to happen later when it's removed.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 2 | ||||
| -rw-r--r-- | net/mac80211/iface.c | 4 | ||||
| -rw-r--r-- | net/mac80211/pm.c | 6 | ||||
| -rw-r--r-- | net/mac80211/util.c | 5 |
4 files changed, 11 insertions, 6 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 693c1812b7bc..55fb382a8199 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1336,6 +1336,8 @@ void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, const int offset); int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); +int ieee80211_add_virtual_monitor(struct ieee80211_local *local); +void ieee80211_del_virtual_monitor(struct ieee80211_local *local); bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 75b322f9d945..d0d5f20f1ec4 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -346,7 +346,7 @@ static void ieee80211_set_default_queues(struct ieee80211_sub_if_data *sdata) sdata->vif.cab_queue = IEEE80211_INVAL_HW_QUEUE; } -static int ieee80211_add_virtual_monitor(struct ieee80211_local *local) +int ieee80211_add_virtual_monitor(struct ieee80211_local *local) { struct ieee80211_sub_if_data *sdata; int ret = 0; @@ -400,7 +400,7 @@ static int ieee80211_add_virtual_monitor(struct ieee80211_local *local) return ret; } -static void ieee80211_del_virtual_monitor(struct ieee80211_local *local) +void ieee80211_del_virtual_monitor(struct ieee80211_local *local) { struct ieee80211_sub_if_data *sdata; diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c index b98d927dd0f3..d1c021b62fe5 100644 --- a/net/mac80211/pm.c +++ b/net/mac80211/pm.c @@ -21,6 +21,8 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) ieee80211_roc_purge(local, NULL); + ieee80211_del_virtual_monitor(local); + if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) { mutex_lock(&local->sta_mtx); list_for_each_entry(sta, &local->sta_list, list) { @@ -103,10 +105,6 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) drv_remove_interface(local, sdata); } - sdata = rtnl_dereference(local->monitor_sdata); - if (sdata) - drv_remove_interface(local, sdata); - /* * We disconnected on all interfaces before suspend, all channel * contexts should be released. diff --git a/net/mac80211/util.c b/net/mac80211/util.c index f9581c6378ae..43465b6e4778 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -1461,6 +1461,8 @@ int ieee80211_reconfig(struct ieee80211_local *local) /* add interfaces */ sdata = rtnl_dereference(local->monitor_sdata); if (sdata) { + /* in HW restart it exists already */ + WARN_ON(local->resuming); res = drv_add_interface(local, sdata); if (WARN_ON(res)) { rcu_assign_pointer(local->monitor_sdata, NULL); @@ -1650,6 +1652,9 @@ int ieee80211_reconfig(struct ieee80211_local *local) local->in_reconfig = false; barrier(); + if (local->monitors == local->open_count && local->monitors > 0) + ieee80211_add_virtual_monitor(local); + /* * Clear the WLAN_STA_BLOCK_BA flag so new aggregation * sessions can be established after a resume. |