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mac80211: advertise support for full station state in AP mode 

This enables adding stations in unauthenticated mode, just after
receiving the first authentication frame; which in turn allows
sending a negative authentication reply if the station cannot be
added.

In addition init rate control for unassociated station only when
it becomes associated, prior to that low rates will be used.

Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Ayala Beker 2015-09-23 10:41:27 +02:00 committed by Johannes Berg
parent 47edb11b52
commit 44674d9c22
2 changed files with 24 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
net/mac80211/cfg.c
View File

@ -981,7 +981,7 @@ static int sta_apply_auth_flags(struct ieee80211_local *local,
* well. Some drivers require rate control initialized
* before drv_sta_state() is called.
*/
if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
rate_control_rate_init(sta);
ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
@ -1120,8 +1120,11 @@ static int sta_apply_parameters(struct ieee80211_local *local,
local->hw.queues >= IEEE80211_NUM_ACS)
sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
/* auth flags will be set later for TDLS stations */
if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
/* auth flags will be set later for TDLS,
* and for unassociated stations that move to assocaited */
if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
!((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
(set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
ret = sta_apply_auth_flags(local, sta, mask, set);
if (ret)
return ret;
@ -1213,7 +1216,8 @@ static int sta_apply_parameters(struct ieee80211_local *local,
sta_apply_mesh_params(local, sta, params);
/* set the STA state after all sta info from usermode has been set */
if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
ret = sta_apply_auth_flags(local, sta, mask, set);
if (ret)
return ret;
@ -1255,12 +1259,14 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
* defaults -- if userspace wants something else we'll
* change it accordingly in sta_apply_parameters()
*/
if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
!(params->sta_flags_set & (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
} else {
sta->sta.tdls = true;
}
if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
sta->sta.tdls = true;
err = sta_apply_parameters(local, sta, params);
if (err) {
@ -1269,10 +1275,12 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
}
/*
* for TDLS, rate control should be initialized only when
* rates are known and station is marked authorized
* for TDLS and for unassociated station, rate control should be
* initialized only when rates are known and station is marked
* authorized/associated
*/
if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
test_sta_flag(sta, WLAN_STA_ASSOC))
rate_control_rate_init(sta);
layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
@ -1347,7 +1355,10 @@ static int ieee80211_change_station(struct wiphy *wiphy,
break;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_AP_VLAN:
statype = CFG80211_STA_AP_CLIENT;
if (test_sta_flag(sta, WLAN_STA_ASSOC))
statype = CFG80211_STA_AP_CLIENT;
else
statype = CFG80211_STA_AP_CLIENT_UNASSOC;
break;
default:
err = -EOPNOTSUPP;

3
net/mac80211/main.c
View File

@ -543,7 +543,8 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len,
NL80211_FEATURE_HT_IBSS |
NL80211_FEATURE_VIF_TXPOWER |
NL80211_FEATURE_MAC_ON_CREATE |
NL80211_FEATURE_USERSPACE_MPM;
NL80211_FEATURE_USERSPACE_MPM |
NL80211_FEATURE_FULL_AP_CLIENT_STATE;
if (!ops->hw_scan)
wiphy->features |= NL80211_FEATURE_LOW_PRIORITY_SCAN |