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authorMichal Kazior <michal.kazior@tieto.com>2014-04-09 15:29:26 +0200
committerJohannes Berg <johannes.berg@intel.com>2014-04-25 17:08:29 +0200
commit484298ad1afaf249a4708a5091487132dae80bf9 (patch)
treedfed80a1d4dd5b6877877203a6da37f24af21462 /net/mac80211/ieee80211_i.h
parent093324816b91c9f4a3dd8c78930e43d0a2ef2508 (diff)
mac80211: track assigned vifs in chanctx
This can be useful. Provides a more straghtforward way to iterate over interfaces bound to a given chanctx and allows tracking chanctx usage explicitly. The structure is protected by local->chanctx_mtx. Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/ieee80211_i.h')
-rw-r--r--net/mac80211/ieee80211_i.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 4018ba13c028..3b3b45a21501 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -691,6 +691,8 @@ struct ieee80211_chanctx {
struct list_head list;
struct rcu_head rcu_head;
+ struct list_head assigned_vifs;
+
enum ieee80211_chanctx_mode mode;
int refcount;
bool driver_present;
@@ -756,6 +758,8 @@ struct ieee80211_sub_if_data {
bool csa_radar_required;
struct cfg80211_chan_def csa_chandef;
+ struct list_head assigned_chanctx_list; /* protected by chanctx_mtx */
+
/* context reservation -- protected with chanctx_mtx */
struct ieee80211_chanctx *reserved_chanctx;
struct cfg80211_chan_def reserved_chandef;