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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/p54
parentab09587740fddf6b4116be7b6716ab47f34d2634 (diff)
downloadlinux-36323f817af0376c78612cfdab714b0feb05fea5.tar.bz2
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/p54')
-rw-r--r--drivers/net/wireless/p54/lmac.h4
-rw-r--r--drivers/net/wireless/p54/main.c2
-rw-r--r--drivers/net/wireless/p54/txrx.c15
3 files changed, 13 insertions, 8 deletions
diff --git a/drivers/net/wireless/p54/lmac.h b/drivers/net/wireless/p54/lmac.h
index 3d8d622bec55..de1d46bf97df 100644
--- a/drivers/net/wireless/p54/lmac.h
+++ b/drivers/net/wireless/p54/lmac.h
@@ -526,7 +526,9 @@ int p54_init_leds(struct p54_common *priv);
void p54_unregister_leds(struct p54_common *priv);
/* xmit functions */
-void p54_tx_80211(struct ieee80211_hw *dev, struct sk_buff *skb);
+void p54_tx_80211(struct ieee80211_hw *dev,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb);
int p54_tx_cancel(struct p54_common *priv, __le32 req_id);
void p54_tx(struct p54_common *priv, struct sk_buff *skb);
diff --git a/drivers/net/wireless/p54/main.c b/drivers/net/wireless/p54/main.c
index 7cffea795ad2..5e91ad06dd5d 100644
--- a/drivers/net/wireless/p54/main.c
+++ b/drivers/net/wireless/p54/main.c
@@ -158,7 +158,7 @@ static int p54_beacon_update(struct p54_common *priv,
* to cancel the old beacon template by hand, instead the firmware
* will release the previous one through the feedback mechanism.
*/
- p54_tx_80211(priv->hw, beacon);
+ p54_tx_80211(priv->hw, NULL, beacon);
priv->tsf_high32 = 0;
priv->tsf_low32 = 0;
diff --git a/drivers/net/wireless/p54/txrx.c b/drivers/net/wireless/p54/txrx.c
index f38786e02623..5861e13a6fd8 100644
--- a/drivers/net/wireless/p54/txrx.c
+++ b/drivers/net/wireless/p54/txrx.c
@@ -676,8 +676,9 @@ int p54_rx(struct ieee80211_hw *dev, struct sk_buff *skb)
EXPORT_SYMBOL_GPL(p54_rx);
static void p54_tx_80211_header(struct p54_common *priv, struct sk_buff *skb,
- struct ieee80211_tx_info *info, u8 *queue,
- u32 *extra_len, u16 *flags, u16 *aid,
+ struct ieee80211_tx_info *info,
+ struct ieee80211_sta *sta,
+ u8 *queue, u32 *extra_len, u16 *flags, u16 *aid,
bool *burst_possible)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
@@ -746,8 +747,8 @@ static void p54_tx_80211_header(struct p54_common *priv, struct sk_buff *skb,
}
}
- if (info->control.sta)
- *aid = info->control.sta->aid;
+ if (sta)
+ *aid = sta->aid;
break;
}
}
@@ -767,7 +768,9 @@ static u8 p54_convert_algo(u32 cipher)
}
}
-void p54_tx_80211(struct ieee80211_hw *dev, struct sk_buff *skb)
+void p54_tx_80211(struct ieee80211_hw *dev,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct p54_common *priv = dev->priv;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -784,7 +787,7 @@ void p54_tx_80211(struct ieee80211_hw *dev, struct sk_buff *skb)
u8 nrates = 0, nremaining = 8;
bool burst_allowed = false;
- p54_tx_80211_header(priv, skb, info, &queue, &extra_len,
+ p54_tx_80211_header(priv, skb, info, control->sta, &queue, &extra_len,
&hdr_flags, &aid, &burst_allowed);
if (p54_tx_qos_accounting_alloc(priv, skb, queue)) {