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authorChun-Yeow Yeoh <yeohchunyeow@cozybit.com>2013-10-14 19:08:27 -0700
committerJohannes Berg <johannes.berg@intel.com>2013-10-28 15:05:28 +0100
commit8f2535b92d685c68db4bc699dd78462a646f6ef9 (patch)
treee64579c3dfc09f81fbf47f2a76d316721a4da2e3 /net/mac80211/debug.h
parentc0f17eb9b2d4d322c099a0700437209149224583 (diff)
downloadlinux-8f2535b92d685c68db4bc699dd78462a646f6ef9.tar.bz2
mac80211: process the CSA frame for mesh accordingly
Process the CSA frame according to the procedures define in IEEE Std 802.11-2012 section 10.9.8.4.3 as follow: * The mesh channel switch parameters element (MCSP) must be availabe. * If the MCSP's TTL is 1, drop the frame but still process the CSA. * If the MCSP's precedence value is less than or equal to the current precedence value, drop the frame and do not process the CSA. * The CSA frame is forwarded after TTL is decremented by 1 and the initiator field is set to 0. Transmit restrict field and others are maintained as is. * No beacon or probe response frame are handled here. Also, introduce the debug message used for mesh CSA purpose. Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@cozybit.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/debug.h')
-rw-r--r--net/mac80211/debug.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/net/mac80211/debug.h b/net/mac80211/debug.h
index 4ccc5ed6237d..493d68061f0c 100644
--- a/net/mac80211/debug.h
+++ b/net/mac80211/debug.h
@@ -44,6 +44,12 @@
#define MAC80211_MESH_SYNC_DEBUG 0
#endif
+#ifdef CONFIG_MAC80211_MESH_CSA_DEBUG
+#define MAC80211_MESH_CSA_DEBUG 1
+#else
+#define MAC80211_MESH_CSA_DEBUG 0
+#endif
+
#ifdef CONFIG_MAC80211_MESH_PS_DEBUG
#define MAC80211_MESH_PS_DEBUG 1
#else
@@ -157,6 +163,10 @@ do { \
_sdata_dbg(MAC80211_MESH_SYNC_DEBUG, \
sdata, fmt, ##__VA_ARGS__)
+#define mcsa_dbg(sdata, fmt, ...) \
+ _sdata_dbg(MAC80211_MESH_CSA_DEBUG, \
+ sdata, fmt, ##__VA_ARGS__)
+
#define mps_dbg(sdata, fmt, ...) \
_sdata_dbg(MAC80211_MESH_PS_DEBUG, \
sdata, fmt, ##__VA_ARGS__)