diff options
| author | Ayala Beker <ayala.beker@intel.com> | 2016-03-17 14:41:39 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2016-04-05 21:34:49 +0200 |
| commit | 52cfa1d6146c5aa48360b02533fc7e039a66086e (patch) | |
| tree | c4d1983d90d1df9ec04e01e125a9305c67e8d9ca /net/mac80211/sta_info.c | |
| parent | cfg80211: allow userspace to specify client P2P PS support (diff) | |
| download | linux-52cfa1d6146c5aa48360b02533fc7e039a66086e.tar.xz linux-52cfa1d6146c5aa48360b02533fc7e039a66086e.zip | |
mac80211: track and tell driver about GO client P2P PS abilities
Legacy clients don't support P2P power save mechanism, and thus if a P2P GO
has a legacy client connected to it, it should disable P2P PS mechanisms.
Let the driver know about this with a new bss_conf parameter.
Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/sta_info.c')
| -rw-r--r-- | net/mac80211/sta_info.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 00c82fb152c0..01e070c6e713 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -1767,6 +1767,31 @@ void ieee80211_sta_set_buffered(struct ieee80211_sta *pubsta, } EXPORT_SYMBOL(ieee80211_sta_set_buffered); +static void +ieee80211_recalc_p2p_go_ps_allowed(struct ieee80211_sub_if_data *sdata) +{ + struct ieee80211_local *local = sdata->local; + bool allow_p2p_go_ps = sdata->vif.p2p; + struct sta_info *sta; + + rcu_read_lock(); + list_for_each_entry_rcu(sta, &local->sta_list, list) { + if (sdata != sta->sdata || + !test_sta_flag(sta, WLAN_STA_ASSOC)) + continue; + if (!sta->sta.support_p2p_ps) { + allow_p2p_go_ps = false; + break; + } + } + rcu_read_unlock(); + + if (allow_p2p_go_ps != sdata->vif.bss_conf.allow_p2p_go_ps) { + sdata->vif.bss_conf.allow_p2p_go_ps = allow_p2p_go_ps; + ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_P2P_PS); + } +} + int sta_info_move_state(struct sta_info *sta, enum ieee80211_sta_state new_state) { @@ -1828,12 +1853,16 @@ int sta_info_move_state(struct sta_info *sta, } else if (sta->sta_state == IEEE80211_STA_ASSOC) { clear_bit(WLAN_STA_ASSOC, &sta->_flags); ieee80211_recalc_min_chandef(sta->sdata); + if (!sta->sta.support_p2p_ps) + ieee80211_recalc_p2p_go_ps_allowed(sta->sdata); } break; case IEEE80211_STA_ASSOC: if (sta->sta_state == IEEE80211_STA_AUTH) { set_bit(WLAN_STA_ASSOC, &sta->_flags); ieee80211_recalc_min_chandef(sta->sdata); + if (!sta->sta.support_p2p_ps) + ieee80211_recalc_p2p_go_ps_allowed(sta->sdata); } else if (sta->sta_state == IEEE80211_STA_AUTHORIZED) { if (sta->sdata->vif.type == NL80211_IFTYPE_AP || (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && |