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authorThomas Huehn <thomas@net.t-labs.tu-berlin.de>2012-07-23 21:33:42 +0200
committerJohannes Berg <johannes.berg@intel.com>2012-07-31 16:18:39 +0200
commit36323f817af0376c78612cfdab714b0feb05fea5 (patch)
tree9821c1805175a79006799e458f1efa238af671f7 /drivers/net/wireless/iwlegacy/3945-mac.c
parentab09587740fddf6b4116be7b6716ab47f34d2634 (diff)
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/iwlegacy/3945-mac.c')
-rw-r--r--drivers/net/wireless/iwlegacy/3945-mac.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwlegacy/3945-mac.c b/drivers/net/wireless/iwlegacy/3945-mac.c
index faec40467208..e252acb9c862 100644
--- a/drivers/net/wireless/iwlegacy/3945-mac.c
+++ b/drivers/net/wireless/iwlegacy/3945-mac.c
@@ -460,7 +460,9 @@ il3945_build_tx_cmd_basic(struct il_priv *il, struct il_device_cmd *cmd,
* start C_TX command process
*/
static int
-il3945_tx_skb(struct il_priv *il, struct sk_buff *skb)
+il3945_tx_skb(struct il_priv *il,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -512,7 +514,7 @@ il3945_tx_skb(struct il_priv *il, struct sk_buff *skb)
hdr_len = ieee80211_hdrlen(fc);
/* Find idx into station table for destination station */
- sta_id = il_sta_id_or_broadcast(il, info->control.sta);
+ sta_id = il_sta_id_or_broadcast(il, sta);
if (sta_id == IL_INVALID_STATION) {
D_DROP("Dropping - INVALID STATION: %pM\n", hdr->addr1);
goto drop;
@@ -2859,7 +2861,9 @@ il3945_mac_stop(struct ieee80211_hw *hw)
}
static void
-il3945_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+il3945_mac_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct il_priv *il = hw->priv;
@@ -2868,7 +2872,7 @@ il3945_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
D_TX("dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,
ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate);
- if (il3945_tx_skb(il, skb))
+ if (il3945_tx_skb(il, control->sta, skb))
dev_kfree_skb_any(skb);
D_MAC80211("leave\n");