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mac80211: Move IEEE80211_TX_CTL_PS_RESPONSE 

Move IEEE80211_TX_CTL_PS_RESPONSE to info->control.flags since
this is used only in the TX path (by ath9k). This frees up
a bit which can be used for other purposes.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Sujith Manoharan 2014-12-10 21:26:10 +05:30 committed by Johannes Berg
parent ba1debdfed
commit 6b127c71fb
3 changed files with 11 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/wireless/ath/ath9k/xmit.c
View File

@ -2259,7 +2259,7 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
struct ath_txq *txq = txctl->txq;
struct ath_atx_tid *tid = NULL;
struct ath_buf *bf;
bool queue, skip_uapsd = false;
bool queue, skip_uapsd = false, ps_resp;
int q, ret;
if (vif)
@ -2268,6 +2268,8 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN)
txctl->force_channel = true;
ps_resp = !!(info->control.flags & IEEE80211_TX_CTRL_PS_RESPONSE);
ret = ath_tx_prepare(hw, skb, txctl);
if (ret)
return ret;
@ -2310,7 +2312,7 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
if (txctl->an && queue)
tid = ath_get_skb_tid(sc, txctl->an, skb);
if (!skip_uapsd && (info->flags & IEEE80211_TX_CTL_PS_RESPONSE)) {
if (!skip_uapsd && ps_resp) {
ath_txq_unlock(sc, txq);
txq = sc->tx.uapsdq;
ath_txq_lock(sc, txq);

6
include/net/mac80211.h
View File

@ -505,8 +505,6 @@ struct ieee80211_bss_conf {
* @IEEE80211_TX_CTL_DONTFRAG: Don't fragment this packet even if it
* would be fragmented by size (this is optional, only used for
* monitor injection).
* @IEEE80211_TX_CTL_PS_RESPONSE: This frame is a response to a poll
* frame (PS-Poll or uAPSD).
*
* Note: If you have to add new flags to the enumeration, then don't
* forget to update %IEEE80211_TX_TEMPORARY_FLAGS when necessary.
@ -542,7 +540,6 @@ enum mac80211_tx_info_flags {
IEEE80211_TX_STATUS_EOSP = BIT(28),
IEEE80211_TX_CTL_USE_MINRATE = BIT(29),
IEEE80211_TX_CTL_DONTFRAG = BIT(30),
IEEE80211_TX_CTL_PS_RESPONSE = BIT(31),
};
#define IEEE80211_TX_CTL_STBC_SHIFT 23
@ -552,11 +549,14 @@ enum mac80211_tx_info_flags {
*
* @IEEE80211_TX_CTRL_PORT_CTRL_PROTO: this frame is a port control
* protocol frame (e.g. EAP)
* @IEEE80211_TX_CTRL_PS_RESPONSE: This frame is a response to a poll
* frame (PS-Poll or uAPSD).
*
* These flags are used in tx_info->control.flags.
*/
enum mac80211_tx_control_flags {
IEEE80211_TX_CTRL_PORT_CTRL_PROTO = BIT(0),
IEEE80211_TX_CTRL_PS_RESPONSE = BIT(1),
};
/*

7
net/mac80211/sta_info.c
View File

@ -1243,10 +1243,11 @@ static void ieee80211_send_null_response(struct ieee80211_sub_if_data *sdata,
* ends the poll/service period.
*/
info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER |
IEEE80211_TX_CTL_PS_RESPONSE |
IEEE80211_TX_STATUS_EOSP |
IEEE80211_TX_CTL_REQ_TX_STATUS;
info->control.flags |= IEEE80211_TX_CTRL_PS_RESPONSE;
if (call_driver)
drv_allow_buffered_frames(local, sta, BIT(tid), 1,
reason, false);
@ -1395,8 +1396,8 @@ ieee80211_sta_ps_deliver_response(struct sta_info *sta,
* STA may still remain is PS mode after this frame
* exchange.
*/
info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER |
IEEE80211_TX_CTL_PS_RESPONSE;
info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER;
info->control.flags |= IEEE80211_TX_CTRL_PS_RESPONSE;
/*
* Use MoreData flag to indicate whether there are