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authorArik Nemtsov <arik@wizery.com>2014-06-11 18:18:27 +0400
committerJohannes Berg <johannes.berg@intel.com>2014-06-23 16:28:19 +0400
commitee10f2c779b28c1d6e87ac3e1bbb1aa8b62fa891 (patch)
tree03619136498fe1a91731bad32ac70592168ce230 /net/mac80211/driver-ops.h
parent7adc3e4664bc5bd382fa181e6a4506f5b5b583d8 (diff)
downloadlinux-ee10f2c779b28c1d6e87ac3e1bbb1aa8b62fa891.tar.xz
mac80211: protect TDLS discovery session
After sending a TDLS discovery-request, we expect a reply to arrive on the AP's channel. We must stay on the channel (no PSM, scan, etc.), since a TDLS setup-response is a direct packet not buffered by the AP. Add a new mac80211 driver callback to allow discovery session protection. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/driver-ops.h')
-rw-r--r--net/mac80211/driver-ops.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index bd782dcffcc7..2265bd7a44ba 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -970,6 +970,22 @@ static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
trace_drv_return_void(local);
}
+static inline void
+drv_mgd_protect_tdls_discover(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata)
+{
+ might_sleep();
+
+ if (!check_sdata_in_driver(sdata))
+ return;
+ WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
+
+ trace_drv_mgd_protect_tdls_discover(local, sdata);
+ if (local->ops->mgd_protect_tdls_discover)
+ local->ops->mgd_protect_tdls_discover(&local->hw, &sdata->vif);
+ trace_drv_return_void(local);
+}
+
static inline int drv_add_chanctx(struct ieee80211_local *local,
struct ieee80211_chanctx *ctx)
{