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authorJohannes Berg <johannes.berg@intel.com>2012-12-14 17:22:10 +0400
committerJohannes Berg <johannes.berg@intel.com>2013-01-03 16:01:36 +0400
commitb8dc1a35c88dddcf62ce7bc59a7ed4c38c2f7597 (patch)
tree557b5f33c852896f353349c2d25ddba146848066 /net
parent8da349329ae52462253052f804ef30d086c9911a (diff)
downloadlinux-b8dc1a35c88dddcf62ce7bc59a7ed4c38c2f7597.tar.xz
mac80211: further simplify ieee80211_bss_info_change_notify
The special case in the function isn't really needed, instead make the suspend code a bit better and also easier to understand and move the warning into the driver op wrapper inline. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/driver-ops.h6
-rw-r--r--net/mac80211/main.c14
-rw-r--r--net/mac80211/pm.c15
3 files changed, 16 insertions, 19 deletions
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 608ced41548d..cccc486ae3d0 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -207,6 +207,12 @@ static inline void drv_bss_info_changed(struct ieee80211_local *local,
{
might_sleep();
+ WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON |
+ BSS_CHANGED_BEACON_ENABLED) &&
+ sdata->vif.type != NL80211_IFTYPE_AP &&
+ sdata->vif.type != NL80211_IFTYPE_ADHOC &&
+ sdata->vif.type != NL80211_IFTYPE_MESH_POINT);
+
check_sdata_in_driver(sdata);
trace_drv_bss_info_changed(local, sdata, info, changed);
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 71a64f49fe61..b719a16eabde 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -231,20 +231,6 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
return;
}
- switch (sdata->vif.type) {
- case NL80211_IFTYPE_AP:
- case NL80211_IFTYPE_ADHOC:
- case NL80211_IFTYPE_WDS:
- case NL80211_IFTYPE_MESH_POINT:
- break;
- default:
- /* do not warn to simplify caller in scan.c */
- changed &= ~BSS_CHANGED_BEACON_ENABLED;
- if (WARN_ON(changed & BSS_CHANGED_BEACON))
- return;
- break;
- }
-
drv_bss_info_changed(local, sdata, &sdata->vif.bss_conf, changed);
}
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index 712c17ff6e22..8a67d7e982f7 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -121,7 +121,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
/* remove all interfaces */
list_for_each_entry(sdata, &local->interfaces, list) {
- u32 changed = BSS_CHANGED_BEACON_ENABLED;
+ u32 changed = 0;
if (!ieee80211_sdata_running(sdata))
continue;
@@ -136,14 +136,19 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
changed = BSS_CHANGED_ASSOC |
BSS_CHANGED_BSSID |
BSS_CHANGED_IDLE;
- else
- changed = 0;
- /* fall through */
+ break;
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_MESH_POINT:
+ if (sdata->vif.bss_conf.enable_beacon)
+ changed = BSS_CHANGED_BEACON_ENABLED;
+ break;
default:
- ieee80211_quiesce(sdata);
break;
}
+ ieee80211_quiesce(sdata);
+
sdata->suspend_bss_conf = sdata->vif.bss_conf;
memset(&sdata->vif.bss_conf, 0, sizeof(sdata->vif.bss_conf));
sdata->vif.bss_conf.idle = true;