summaryrefslogtreecommitdiffstats
path: root/net/mac80211/driver-ops.h
diff options
context:
space:
mode:
authorLuciano Coelho <luciano.coelho@intel.com>2014-10-08 09:48:37 +0300
committerJohannes Berg <johannes.berg@intel.com>2014-10-09 11:30:08 +0200
commit6d027bcc8a4e2518ae825b0ff3dd069ab1abfe96 (patch)
tree798d3bfaf90f5f653905da6cb3be864f2a7a0443 /net/mac80211/driver-ops.h
parente9a21949b79414dda42a017855b288901c07e613 (diff)
downloadop-kernel-dev-6d027bcc8a4e2518ae825b0ff3dd069ab1abfe96.zip
op-kernel-dev-6d027bcc8a4e2518ae825b0ff3dd069ab1abfe96.tar.gz
mac80211: add pre_channel_switch driver operation
Some drivers may need to prepare for a channel switch also when it is initiated from the remote side (eg. station, P2P client). To make this possible, add a generic callback that can be called for all interface types. Signed-off-by: Luciano Coelho <luciano.coelho@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.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 196d48c..5522672 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -1196,6 +1196,24 @@ drv_channel_switch_beacon(struct ieee80211_sub_if_data *sdata,
}
}
+static inline int
+drv_pre_channel_switch(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_channel_switch *ch_switch)
+{
+ struct ieee80211_local *local = sdata->local;
+ int ret = 0;
+
+ if (!check_sdata_in_driver(sdata))
+ return -EIO;
+
+ trace_drv_pre_channel_switch(local, sdata, ch_switch);
+ if (local->ops->pre_channel_switch)
+ ret = local->ops->pre_channel_switch(&local->hw, &sdata->vif,
+ ch_switch);
+ trace_drv_return_int(local, ret);
+ return ret;
+}
+
static inline int drv_join_ibss(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata)
{
OpenPOWER on IntegriCloud