xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mac80211: process the CSA frame for mesh accordingly

Browse Source 
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>
This commit is contained in:
Chun-Yeow Yeoh
2013-10-14 19:08:27 -07:00
committed by Johannes Berg
parent c0f17eb9b2
commit 8f2535b92d
6 changed files with 134 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
net/mac80211/ieee80211_i.h
View File

@@ -603,6 +603,9 @@ struct ieee80211_if_mesh {
int ps_peers_light_sleep;
int ps_peers_deep_sleep;
struct ps_data ps;
/* Channel Switching Support */
bool chsw_init;
u16 pre_value;
};
#ifdef CONFIG_MAC80211_MESH
@@ -1252,6 +1255,7 @@ struct ieee802_11_elems {
const struct ieee80211_timeout_interval_ie *timeout_int;
const u8 *opmode_notif;
const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
const struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie;
/* length of them, respectively */
u8 ssid_len;