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mac80211: track and tell driver about GO client P2P PS abilities

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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>
This commit is contained in:
Ayala Beker
2016-03-17 15:41:39 +02:00
committed by Johannes Berg
parent 17b9424786
commit 52cfa1d614
3 changed files with 40 additions and 1 deletions
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8
include/net/mac80211.h
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@@ -291,7 +291,7 @@ struct ieee80211_vif_chanctx_switch {
* @BSS_CHANGED_PS: PS changed for this BSS (STA mode)
* @BSS_CHANGED_TXPOWER: TX power setting changed for this interface
* @BSS_CHANGED_P2P_PS: P2P powersave settings (CTWindow, opportunistic PS)
* changed (currently only in P2P client mode, GO mode will be later)
* changed
* @BSS_CHANGED_BEACON_INFO: Data from the AP's beacon became available:
* currently dtim_period only is under consideration.
* @BSS_CHANGED_BANDWIDTH: The bandwidth used by this interface changed,
@@ -526,6 +526,9 @@ struct ieee80211_mu_group_data {
* userspace), whereas TPC is disabled if %txpower_type is set to
* NL80211_TX_POWER_FIXED (use value configured from userspace)
* @p2p_noa_attr: P2P NoA attribute for P2P powersave
* @allow_p2p_go_ps: indication for AP or P2P GO interface, whether it's allowed
* to use P2P PS mechanism or not. AP/P2P GO is not allowed to use P2P PS
* if it has associated clients without P2P PS support.
*/
struct ieee80211_bss_conf {
const u8 *bssid;
@@ -563,6 +566,7 @@ struct ieee80211_bss_conf {
int txpower;
enum nl80211_tx_power_setting txpower_type;
struct ieee80211_p2p_noa_attr p2p_noa_attr;
bool allow_p2p_go_ps;
};
/**
@@ -1741,6 +1745,7 @@ struct ieee80211_sta_rates {
* size is min(max_amsdu_len, 7935) bytes.
* Both additional HT limits must be enforced by the low level driver.
* This is defined by the spec (IEEE 802.11-2012 section 8.3.2.2 NOTE 2).
* @support_p2p_ps: indicates whether the STA supports P2P PS mechanism or not.
* @txq: per-TID data TX queues (if driver uses the TXQ abstraction)
*/
struct ieee80211_sta {
@@ -1761,6 +1766,7 @@ struct ieee80211_sta {
bool mfp;
u8 max_amsdu_subframes;
u16 max_amsdu_len;
bool support_p2p_ps;
struct ieee80211_txq *txq[IEEE80211_NUM_TIDS];