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| author | Chun-Yeow Yeoh <yeohchunyeow@cozybit.com> | 2013-10-14 19:08:27 -0700 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-10-28 15:05:28 +0100 |
| commit | 8f2535b92d685c68db4bc699dd78462a646f6ef9 (patch) | |
| tree | e64579c3dfc09f81fbf47f2a76d316721a4da2e3 /net/mac80211/debug.h | |
| parent | c0f17eb9b2d4d322c099a0700437209149224583 (diff) | |
| download | lwn-8f2535b92d685c68db4bc699dd78462a646f6ef9.tar.gz lwn-8f2535b92d685c68db4bc699dd78462a646f6ef9.zip | |
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.h | 10 |
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__) |