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mac80211: expose TDLS-initiator value to low level driver 

Some drivers need to know which station is the TDLS link initiator.
Expose this value via the mac80211 ieee80211_sta structure.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Arik Nemtsov 2014-10-22 12:32:48 +03:00 committed by Johannes Berg
parent 452218d9fd
commit 8b94148cfe
2 changed files with 9 additions and 2 deletions
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3
include/net/mac80211.h
View File

@ -1427,6 +1427,8 @@ struct ieee80211_sta_rates {
* @smps_mode: current SMPS mode (off, static or dynamic)
* @rates: rate control selection table
* @tdls: indicates whether the STA is a TDLS peer
* @tdls_initiator: indicates the STA is an initiator of the TDLS link. Only
* valid if the STA is a TDLS peer in the first place.
*/
struct ieee80211_sta {
u32 supp_rates[IEEE80211_NUM_BANDS];
@ -1442,6 +1444,7 @@ struct ieee80211_sta {
enum ieee80211_smps_mode smps_mode;
struct ieee80211_sta_rates __rcu *rates;
bool tdls;
bool tdls_initiator;
/* must be last */
u8 drv_priv[0] __aligned(sizeof(void *));

8
net/mac80211/tdls.c
View File

@ -562,8 +562,10 @@ ieee80211_tdls_prep_mgmt_packet(struct wiphy *wiphy, struct net_device *dev,
/* infer the initiator if we can, to support old userspace */
switch (action_code) {
case WLAN_TDLS_SETUP_REQUEST:
if (sta)
if (sta) {
set_sta_flag(sta, WLAN_STA_TDLS_INITIATOR);
sta->sta.tdls_initiator = false;
}
/* fall-through */
case WLAN_TDLS_SETUP_CONFIRM:
case WLAN_TDLS_DISCOVERY_REQUEST:
@ -575,8 +577,10 @@ ieee80211_tdls_prep_mgmt_packet(struct wiphy *wiphy, struct net_device *dev,
* Make the last packet sent take effect for the initiator
* value.
*/
if (sta)
if (sta) {
clear_sta_flag(sta, WLAN_STA_TDLS_INITIATOR);
sta->sta.tdls_initiator = true;
}
/* fall-through */
case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
initiator = false;