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mac80211: move TX station pointer and restructure TX

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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>
This commit is contained in:
Thomas Huehn
2012-07-23 21:33:42 +02:00
committed by Johannes Berg
parent ab09587740
commit 36323f817a
53 changed files with 232 additions and 132 deletions
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5
drivers/net/wireless/ath/ath9k/main.c
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@@ -694,7 +694,9 @@ mutex_unlock:
return r;
}
static void ath9k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
static void ath9k_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct ath_softc *sc = hw->priv;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
@@ -754,6 +756,7 @@ static void ath9k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
memset(&txctl, 0, sizeof(struct ath_tx_control));
txctl.txq = sc->tx.txq_map[skb_get_queue_mapping(skb)];
txctl.sta = control->sta;
ath_dbg(common, XMIT, "transmitting packet, skb: %p\n", skb);