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mac80211: add an optional TXQ for other PS-buffered frames

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Some drivers may want to also use the TXQ abstraction with
non-data packets that need powersave buffering, so add a
hardware flag to allow this.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
2018-08-31 11:31:08 +03:00
parent 331aead520
commit adf8ed01e4
6 changed files with 59 additions and 26 deletions
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17
include/net/mac80211.h
View File

@ -101,8 +101,9 @@
* Drivers indicate that they use this model by implementing the .wake_tx_queue
* driver operation.
*
* Intermediate queues (struct ieee80211_txq) are kept per-sta per-tid, with a
* single per-vif queue for multicast data frames.
* Intermediate queues (struct ieee80211_txq) are kept per-sta per-tid, with
* another per-sta for non-data/non-mgmt and bufferable management frames, and
* a single per-vif queue for multicast data frames.
*
* The driver is expected to initialize its private per-queue data for stations
* and interfaces in the .add_interface and .sta_add ops.
@ -1843,7 +1844,8 @@ struct ieee80211_sta_rates {
* unlimited.
* @support_p2p_ps: indicates whether the STA supports P2P PS mechanism or not.
* @max_rc_amsdu_len: Maximum A-MSDU size in bytes recommended by rate control.
* @txq: per-TID data TX queues (if driver uses the TXQ abstraction)
* @txq: per-TID data TX queues (if driver uses the TXQ abstraction); note that
* the last entry (%IEEE80211_NUM_TIDS) is used for non-data frames
*/
struct ieee80211_sta {
u32 supp_rates[NUM_NL80211_BANDS];
@ -1884,7 +1886,7 @@ struct ieee80211_sta {
bool support_p2p_ps;
u16 max_rc_amsdu_len;
struct ieee80211_txq *txq[IEEE80211_NUM_TIDS];
struct ieee80211_txq *txq[IEEE80211_NUM_TIDS + 1];
/* must be last */
u8 drv_priv[0] __aligned(sizeof(void *));
@ -1918,7 +1920,8 @@ struct ieee80211_tx_control {
*
* @vif: &struct ieee80211_vif pointer from the add_interface callback.
* @sta: station table entry, %NULL for per-vif queue
* @tid: the TID for this queue (unused for per-vif queue)
* @tid: the TID for this queue (unused for per-vif queue),
* %IEEE80211_NUM_TIDS for non-data (if enabled)
* @ac: the AC for this queue
* @drv_priv: driver private area, sized by hw->txq_data_size
*
@ -2131,6 +2134,9 @@ struct ieee80211_txq {
* @IEEE80211_HW_DOESNT_SUPPORT_QOS_NDP: The driver (or firmware) doesn't
* support QoS NDP for AP probing - that's most likely a driver bug.
*
* @IEEE80211_HW_BUFF_MMPDU_TXQ: use the TXQ for bufferable MMPDUs, this of
* course requires the driver to use TXQs to start with.
*
* @NUM_IEEE80211_HW_FLAGS: number of hardware flags, used for sizing arrays
*/
enum ieee80211_hw_flags {
@ -2176,6 +2182,7 @@ enum ieee80211_hw_flags {
IEEE80211_HW_SUPPORTS_TDLS_BUFFER_STA,
IEEE80211_HW_DEAUTH_NEED_MGD_TX_PREP,
IEEE80211_HW_DOESNT_SUPPORT_QOS_NDP,
IEEE80211_HW_BUFF_MMPDU_TXQ,
/* keep last, obviously */
NUM_IEEE80211_HW_FLAGS