diff options
| author | Luciano Coelho <luciano.coelho@intel.com> | 2014-10-08 09:48:37 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2014-10-09 11:30:08 +0200 |
| commit | 6d027bcc8a4e2518ae825b0ff3dd069ab1abfe96 (patch) | |
| tree | 798d3bfaf90f5f653905da6cb3be864f2a7a0443 /include/net | |
| parent | e9a21949b79414dda42a017855b288901c07e613 (diff) | |
| download | linux-6d027bcc8a4e2518ae825b0ff3dd069ab1abfe96.tar.gz linux-6d027bcc8a4e2518ae825b0ff3dd069ab1abfe96.tar.bz2 linux-6d027bcc8a4e2518ae825b0ff3dd069ab1abfe96.zip | |
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 'include/net')
| -rw-r--r-- | include/net/mac80211.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index ec0a5b07055b..19e4159ce3a3 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -2832,6 +2832,10 @@ enum ieee80211_roc_type { * transmitted and then call ieee80211_csa_finish(). * If the CSA count starts as zero or 1, this function will not be called, * since there won't be any time to beacon before the switch anyway. + * @pre_channel_switch: This is an optional callback that is called + * before a channel switch procedure is started (ie. when a STA + * gets a CSA or an userspace initiated channel-switch), allowing + * the driver to prepare for the channel switch. * * @join_ibss: Join an IBSS (on an IBSS interface); this is called after all * information in bss_conf is set up and the beacon can be retrieved. A @@ -3038,6 +3042,9 @@ struct ieee80211_ops { void (*channel_switch_beacon)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct cfg80211_chan_def *chandef); + int (*pre_channel_switch)(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_channel_switch *ch_switch); int (*join_ibss)(struct ieee80211_hw *hw, struct ieee80211_vif *vif); void (*leave_ibss)(struct ieee80211_hw *hw, struct ieee80211_vif *vif); |