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ath9k: remove the tx info padding byte abuse 

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2010-11-11 03:18:36 +01:00 committed by John W. Linville
parent f0c255a07f
commit 61117f01e7
4 changed files with 10 additions and 22 deletions
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3
drivers/net/wireless/ath/ath9k/ath9k.h
View File

@ -229,6 +229,7 @@ struct ath_buf_state {
unsigned long bfs_paprd_timestamp;
u32 bfs_keyix;
enum ath9k_key_type bfs_keytype;
enum ath9k_internal_frame_type bfs_ftype;
};
struct ath_buf {
@ -711,7 +712,7 @@ void ath9k_ps_restore(struct ath_softc *sc);
void ath9k_set_bssid_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
int ath9k_wiphy_add(struct ath_softc *sc);
int ath9k_wiphy_del(struct ath_wiphy *aphy);
void ath9k_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb);
void ath9k_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb, int ftype);
int ath9k_wiphy_pause(struct ath_wiphy *aphy);
int ath9k_wiphy_unpause(struct ath_wiphy *aphy);
int ath9k_wiphy_select(struct ath_wiphy *aphy);

3
drivers/net/wireless/ath/ath9k/rc.h
View File

@ -224,9 +224,6 @@ struct ath_rate_priv {
struct ath_rc_stats rcstats[RATE_TABLE_SIZE];
};
#define ATH_TX_INFO_FRAME_TYPE_INTERNAL (1 << 0)
#define ATH_TX_INFO_FRAME_TYPE_PAUSE (1 << 1)
enum ath9k_internal_frame_type {
ATH9K_IFT_NOT_INTERNAL,
ATH9K_IFT_PAUSE,

5
drivers/net/wireless/ath/ath9k/virtual.c
View File

@ -305,13 +305,12 @@ void ath9k_wiphy_chan_work(struct work_struct *work)
* ath9k version of ieee80211_tx_status() for TX frames that are generated
* internally in the driver.
*/
void ath9k_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
void ath9k_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb, int ftype)
{
struct ath_wiphy *aphy = hw->priv;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
if ((tx_info->pad[0] & ATH_TX_INFO_FRAME_TYPE_PAUSE) &&
aphy->state == ATH_WIPHY_PAUSING) {
if (ftype == ATH9K_IFT_PAUSE && aphy->state == ATH_WIPHY_PAUSING) {
if (!(tx_info->flags & IEEE80211_TX_STAT_ACK)) {
printk(KERN_DEBUG "ath9k: %s: no ACK for pause "
"frame\n", wiphy_name(hw->wiphy));

21
drivers/net/wireless/ath/ath9k/xmit.c
View File

@ -1580,17 +1580,6 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
int padpos, padsize;
bool use_ldpc = false;
tx_info->pad[0] = 0;
switch (txctl->frame_type) {
case ATH9K_IFT_NOT_INTERNAL:
break;
case ATH9K_IFT_PAUSE:
tx_info->pad[0] |= ATH_TX_INFO_FRAME_TYPE_PAUSE;
/* fall through */
case ATH9K_IFT_UNPAUSE:
tx_info->pad[0] |= ATH_TX_INFO_FRAME_TYPE_INTERNAL;
break;
}
hdrlen = ieee80211_get_hdrlen_from_skb(skb);
fc = hdr->frame_control;
@ -1711,6 +1700,7 @@ static void ath_tx_start_dma(struct ath_softc *sc, struct ath_buf *bf,
tid, &bf_head);
}
} else {
bf->bf_state.bfs_ftype = txctl->frame_type;
ath_tx_send_normal(sc, txctl->txq, &bf_head);
}
@ -1828,7 +1818,7 @@ exit:
/*****************/
static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
struct ath_wiphy *aphy, int tx_flags,
struct ath_wiphy *aphy, int tx_flags, int ftype,
struct ath_txq *txq)
{
struct ieee80211_hw *hw = sc->hw;
@ -1872,8 +1862,8 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
PS_WAIT_FOR_TX_ACK));
}
if (unlikely(tx_info->pad[0] & ATH_TX_INFO_FRAME_TYPE_INTERNAL))
ath9k_tx_status(hw, skb);
if (unlikely(ftype))
ath9k_tx_status(hw, skb, ftype);
else {
q = skb_get_queue_mapping(skb);
if (txq == sc->tx.txq_map[q]) {
@ -1917,7 +1907,8 @@ static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
complete(&sc->paprd_complete);
} else {
ath_debug_stat_tx(sc, bf, ts);
ath_tx_complete(sc, skb, bf->aphy, tx_flags, txq);
ath_tx_complete(sc, skb, bf->aphy, tx_flags,
bf->bf_state.bfs_ftype, txq);
}
/* At this point, skb (bf->bf_mpdu) is consumed...make sure we don't
* accidentally reference it later.