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ath9k: clean up code duplication around ath_tx_start

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Merge initial processing for the CAB queue and regular tx.
Also move ath_tx_cabq() to beacon.c and make it static.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2010-11-14 15:20:10 +01:00 committed by John W. Linville
parent c599261825
commit 28d1670862
4 changed files with 45 additions and 79 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/ath/ath9k/ath9k.h
View File

@ -323,7 +323,6 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
struct ath_tx_control *txctl);
void ath_tx_tasklet(struct ath_softc *sc);
void ath_tx_edma_tasklet(struct ath_softc *sc);
void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb);
int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
u16 tid, u16 *ssn);
void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);

19
drivers/net/wireless/ath/ath9k/beacon.c
View File

@ -109,6 +109,25 @@ static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp,
series, 4, 0);
}
static void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_tx_control txctl;
memset(&txctl, 0, sizeof(struct ath_tx_control));
txctl.txq = sc->beacon.cabq;
ath_print(common, ATH_DBG_XMIT,
"transmitting CABQ packet, skb: %p\n", skb);
if (ath_tx_start(hw, skb, &txctl) != 0) {
ath_print(common, ATH_DBG_XMIT, "CABQ TX failed\n");
dev_kfree_skb_any(skb);
}
}
static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{

25
drivers/net/wireless/ath/ath9k/main.c
View File

@ -1187,12 +1187,10 @@ mutex_unlock:
static int ath9k_tx(struct ieee80211_hw *hw,
struct sk_buff *skb)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_tx_control txctl;
int padpos, padsize;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
if (aphy->state != ATH_WIPHY_ACTIVE && aphy->state != ATH_WIPHY_SCAN) {
@ -1243,29 +1241,6 @@ static int ath9k_tx(struct ieee80211_hw *hw,
}
memset(&txctl, 0, sizeof(struct ath_tx_control));
/*
* As a temporary workaround, assign seq# here; this will likely need
* to be cleaned up to work better with Beacon transmission and virtual
* BSSes.
*/
if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
sc->tx.seq_no += 0x10;
hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
hdr->seq_ctrl |= cpu_to_le16(sc->tx.seq_no);
}
/* Add the padding after the header if this is not already done */
padpos = ath9k_cmn_padpos(hdr->frame_control);
padsize = padpos & 3;
if (padsize && skb->len>padpos) {
if (skb_headroom(skb) < padsize)
return -1;
skb_push(skb, padsize);
memmove(skb->data, skb->data + padsize, padpos);
}
txctl.txq = sc->tx.txq_map[skb_get_queue_mapping(skb)];
ath_print(common, ATH_DBG_XMIT, "transmitting packet, skb: %p\n", skb);

79
drivers/net/wireless/ath/ath9k/xmit.c
View File

@ -1742,12 +1742,38 @@ static void ath_tx_start_dma(struct ath_softc *sc, struct ath_buf *bf,
int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
struct ath_tx_control *txctl)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
struct ath_txq *txq = txctl->txq;
struct ath_buf *bf;
int padpos, padsize;
int q;
/*
* As a temporary workaround, assign seq# here; this will likely need
* to be cleaned up to work better with Beacon transmission and virtual
* BSSes.
*/
if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
sc->tx.seq_no += 0x10;
hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
hdr->seq_ctrl |= cpu_to_le16(sc->tx.seq_no);
}
/* Add the padding after the header if this is not already done */
padpos = ath9k_cmn_padpos(hdr->frame_control);
padsize = padpos & 3;
if (padsize && skb->len > padpos) {
if (skb_headroom(skb) < padsize)
return -ENOMEM;
skb_push(skb, padsize);
memmove(skb->data, skb->data + padsize, padpos);
}
bf = ath_tx_setup_buffer(hw, skb);
if (unlikely(!bf))
return -ENOMEM;
@ -1766,59 +1792,6 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
return 0;
}
void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
int padpos, padsize;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ath_tx_control txctl;
memset(&txctl, 0, sizeof(struct ath_tx_control));
/*
* As a temporary workaround, assign seq# here; this will likely need
* to be cleaned up to work better with Beacon transmission and virtual
* BSSes.
*/
if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
sc->tx.seq_no += 0x10;
hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
hdr->seq_ctrl |= cpu_to_le16(sc->tx.seq_no);
}
/* Add the padding after the header if this is not already done */
padpos = ath9k_cmn_padpos(hdr->frame_control);
padsize = padpos & 3;
if (padsize && skb->len>padpos) {
if (skb_headroom(skb) < padsize) {
ath_print(common, ATH_DBG_XMIT,
"TX CABQ padding failed\n");
dev_kfree_skb_any(skb);
return;
}
skb_push(skb, padsize);
memmove(skb->data, skb->data + padsize, padpos);
}
txctl.txq = sc->beacon.cabq;
ath_print(common, ATH_DBG_XMIT,
"transmitting CABQ packet, skb: %p\n", skb);
if (ath_tx_start(hw, skb, &txctl) != 0) {
ath_print(common, ATH_DBG_XMIT, "CABQ TX failed\n");
goto exit;
}
return;
exit:
dev_kfree_skb_any(skb);
}
/*****************/
/* TX Completion */
/*****************/