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authorBob Copeland <me@bobcopeland.com>2015-07-14 08:31:58 -0400
committerJohannes Berg <johannes.berg@intel.com>2015-07-17 15:47:11 +0200
commita69bd8e60b02946896c097439b94eb77c0c2c9e4 (patch)
treeb5081e7acefb264b2b1272f26dcdc47df6fe9133 /net/mac80211/sta_info.h
parentfa87a6566ca8f17a92ba81980bd47c456262907c (diff)
downloadlinux-sh-a69bd8e60b02946896c097439b94eb77c0c2c9e4.tar.gz
mac80211: mesh: separate plid and aid concepts
According to 802.11-2012 13.3.1, a mesh STA should assign an AID upon receipt of a mesh peering open frame rather than using the link id of the peer. Using the peer link id has two potential issues: it may not be unique among the peers, and by its nature it is random, so the TIM may not compress well. In preparation for allocating it properly, use sta->sta.aid, but keep the existing behavior of using the plid in the aid we send. Signed-off-by: Bob Copeland <me@bobcopeland.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/sta_info.h')
-rw-r--r--net/mac80211/sta_info.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 6dcb33484eac..1d2805c598c0 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -277,6 +277,7 @@ struct ieee80211_fast_tx {
* @plink_lock: serialize access to plink fields
* @llid: Local link ID
* @plid: Peer link ID
+ * @aid: local aid supplied by peer
* @reason: Cancel reason on PLINK_HOLDING state
* @plink_retries: Retries in establishment
* @plink_state: peer link state
@@ -301,6 +302,7 @@ struct mesh_sta {
spinlock_t plink_lock;
u16 llid;
u16 plid;
+ u16 aid;
u16 reason;
u8 plink_retries;