UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

Revert "ath9k: do not insert padding into tx buffers on AR9380+" 

This reverts commit 4245d31347.
This commit is contained in:
John W. Linville 2011-09-19 15:42:31 -04:00
parent 376cf5d3fd
commit 42cecc3465
1 changed files with 19 additions and 37 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

56
drivers/net/wireless/ath/ath9k/xmit.c
View File

@ -1017,8 +1017,6 @@ static void ath_tx_fill_desc(struct ath_softc *sc, struct ath_buf *bf,
while (bf) {
struct sk_buff *skb = bf->bf_mpdu;
struct ath_frame_info *fi = get_frame_info(skb);
struct ieee80211_hdr *hdr;
int padpos, padsize;
info.type = get_hw_packet_type(skb);
if (bf->bf_next)
@ -1026,20 +1024,8 @@ static void ath_tx_fill_desc(struct ath_softc *sc, struct ath_buf *bf,
else
info.link = 0;
if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
hdr = (struct ieee80211_hdr *)skb->data;
padpos = ath9k_cmn_padpos(hdr->frame_control);
padsize = padpos & 3;
info.buf_addr[0] = bf->bf_buf_addr;
info.buf_len[0] = padpos + padsize;
info.buf_addr[1] = info.buf_addr[0] + padpos;
info.buf_len[1] = skb->len - padpos;
} else {
info.buf_addr[0] = bf->bf_buf_addr;
info.buf_len[0] = skb->len;
}
info.buf_addr[0] = bf->bf_buf_addr;
info.buf_len[0] = skb->len;
info.pkt_len = fi->framelen;
info.keyix = fi->keyix;
info.keytype = fi->keytype;
@ -1892,17 +1878,15 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
hdr->seq_ctrl |= cpu_to_le16(sc->tx.seq_no);
}
if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)) {
/* 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;
/* 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);
}
skb_push(skb, padsize);
memmove(skb->data, skb->data + padsize, padpos);
}
if ((vif && vif->type != NL80211_IFTYPE_AP &&
@ -1952,17 +1936,15 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
/* Frame was ACKed */
tx_info->flags |= IEEE80211_TX_STAT_ACK;
if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)) {
padpos = ath9k_cmn_padpos(hdr->frame_control);
padsize = padpos & 3;
if (padsize && skb->len>padpos+padsize) {
/*
* Remove MAC header padding before giving the frame back to
* mac80211.
*/
memmove(skb->data + padsize, skb->data, padpos);
skb_pull(skb, padsize);
}
padpos = ath9k_cmn_padpos(hdr->frame_control);
padsize = padpos & 3;
if (padsize && skb->len>padpos+padsize) {
/*
* Remove MAC header padding before giving the frame back to
* mac80211.
*/
memmove(skb->data + padsize, skb->data, padpos);
skb_pull(skb, padsize);
}
if (sc->ps_flags & PS_WAIT_FOR_TX_ACK) {