diff options
| author | Thomas Huehn <thomas@net.t-labs.tu-berlin.de> | 2012-07-23 23:33:42 +0400 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2012-07-31 18:18:39 +0400 |
| commit | 36323f817af0376c78612cfdab714b0feb05fea5 (patch) | |
| tree | 9821c1805175a79006799e458f1efa238af671f7 /drivers/net/wireless/ath/ath9k/xmit.c | |
| parent | ab09587740fddf6b4116be7b6716ab47f34d2634 (diff) | |
| download | linux-36323f817af0376c78612cfdab714b0feb05fea5.tar.xz | |
mac80211: move TX station pointer and restructure TX
Remove the control.sta pointer from ieee80211_tx_info to free up
sufficient space in the TX skb control buffer for the upcoming
Transmit Power Control (TPC).
Instead, the pointer is now on the stack in a new control struct
that is passed as a function parameter to the drivers' tx method.
Signed-off-by: Thomas Huehn <thomas@net.t-labs.tu-berlin.de>
Signed-off-by: Alina Friedrichsen <x-alina@gmx.net>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
[reworded commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/xmit.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/xmit.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 2c9da6b2ecb1..ef91f6cc2d79 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -1773,11 +1773,12 @@ static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq, TX_STAT_INC(txq->axq_qnum, queued); } -static void setup_frame_info(struct ieee80211_hw *hw, struct sk_buff *skb, +static void setup_frame_info(struct ieee80211_hw *hw, + struct ieee80211_sta *sta, + struct sk_buff *skb, int framelen) { struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); - struct ieee80211_sta *sta = tx_info->control.sta; struct ieee80211_key_conf *hw_key = tx_info->control.hw_key; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; const struct ieee80211_rate *rate; @@ -1935,7 +1936,7 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb, { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - struct ieee80211_sta *sta = info->control.sta; + struct ieee80211_sta *sta = txctl->sta; struct ieee80211_vif *vif = info->control.vif; struct ath_softc *sc = hw->priv; struct ath_txq *txq = txctl->txq; @@ -1979,7 +1980,7 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb, !ieee80211_is_data(hdr->frame_control)) info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT; - setup_frame_info(hw, skb, frmlen); + setup_frame_info(hw, sta, skb, frmlen); /* * At this point, the vif, hw_key and sta pointers in the tx control |