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authorChun-Yeow Yeoh <yeohchunyeow@cozybit.com>2013-10-14 19:08:28 -0700
committerJohannes Berg <johannes.berg@intel.com>2013-10-28 15:05:29 +0100
commitc6da674aff9425dc41255bcb7f7586a656843f2d (patch)
treeb711d3f6149e66ee579efc544c3391e4b0a48e7c /net/mac80211/cfg.c
parent8f2535b92d685c68db4bc699dd78462a646f6ef9 (diff)
{nl,cfg,mac}80211: enable the triggering of CSA frame in mesh
Allow the triggering of CSA frame using mesh interface. The rules are more or less same with IBSS, such as not allowed to change between the band and channel width has to be same from the previous mode. Also, move the ieee80211_send_action_csa to a common space so that it can be re-used by mesh interface. Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@cozybit.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/cfg.c')
-rw-r--r--net/mac80211/cfg.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 67f62dac54f5..8cdbd29cbc45 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -3014,6 +3014,7 @@ static int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
struct ieee80211_local *local = sdata->local;
struct ieee80211_chanctx_conf *chanctx_conf;
struct ieee80211_chanctx *chanctx;
+ struct ieee80211_if_mesh __maybe_unused *ifmsh;
int err, num_chanctx;
if (!list_empty(&local->roc_list) || local->scanning)
@@ -3097,6 +3098,26 @@ static int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
if (err < 0)
return err;
break;
+#ifdef CONFIG_MAC80211_MESH
+ case NL80211_IFTYPE_MESH_POINT:
+ ifmsh = &sdata->u.mesh;
+
+ if (!ifmsh->mesh_id)
+ return -EINVAL;
+
+ if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
+ return -EINVAL;
+
+ /* changes into another band are not supported */
+ if (sdata->vif.bss_conf.chandef.chan->band !=
+ params->chandef.chan->band)
+ return -EINVAL;
+
+ err = ieee80211_send_action_csa(sdata, params);
+ if (err < 0)
+ return err;
+ break;
+#endif
default:
return -EOPNOTSUPP;
}