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ath9k_common: remove ath9k_cmn_padpos 

It is equivalent to ieee80211_hdrlen

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2013-04-08 00:04:09 +02:00 committed by John W. Linville
parent a043dfb90e
commit c60c99298c
7 changed files with 9 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/net/wireless/ath/ath9k/common.c
View File

@ -27,20 +27,6 @@ MODULE_AUTHOR("Atheros Communications");
MODULE_DESCRIPTION("Shared library for Atheros wireless 802.11n LAN cards.");
MODULE_LICENSE("Dual BSD/GPL");
int ath9k_cmn_padpos(__le16 frame_control)
{
int padpos = 24;
if (ieee80211_has_a4(frame_control)) {
padpos += ETH_ALEN;
}
if (ieee80211_is_data_qos(frame_control)) {
padpos += IEEE80211_QOS_CTL_LEN;
}
return padpos;
}
EXPORT_SYMBOL(ath9k_cmn_padpos);
int ath9k_cmn_get_hw_crypto_keytype(struct sk_buff *skb)
{
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);

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

@ -42,7 +42,6 @@
#define ATH_EP_RND(x, mul) \
(((x) + ((mul)/2)) / (mul))
int ath9k_cmn_padpos(__le16 frame_control);
int ath9k_cmn_get_hw_crypto_keytype(struct sk_buff *skb);
void ath9k_cmn_update_ichannel(struct ath9k_channel *ichan,
struct ieee80211_channel *chan,

2
drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
View File

@ -308,7 +308,7 @@ static void ath9k_htc_send_buffered(struct ath9k_htc_priv *priv,
while(skb) {
hdr = (struct ieee80211_hdr *) skb->data;
padpos = ath9k_cmn_padpos(hdr->frame_control);
padpos = ieee80211_hdrlen(hdr->frame_control);
padsize = padpos & 3;
if (padsize && skb->len > padpos) {
if (skb_headroom(skb) < padsize) {

2
drivers/net/wireless/ath/ath9k/htc_drv_main.c
View File

@ -866,7 +866,7 @@ static void ath9k_htc_tx(struct ieee80211_hw *hw,
hdr = (struct ieee80211_hdr *) skb->data;
/* Add the padding after the header if this is not already done */
padpos = ath9k_cmn_padpos(hdr->frame_control);
padpos = ieee80211_hdrlen(hdr->frame_control);
padsize = padpos & 3;
if (padsize && skb->len > padpos) {
if (skb_headroom(skb) < padsize) {

10
drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
View File

@ -966,7 +966,7 @@ static bool ath9k_rx_prepare(struct ath9k_htc_priv *priv,
struct sk_buff *skb = rxbuf->skb;
struct ath_common *common = ath9k_hw_common(priv->ah);
struct ath_htc_rx_status *rxstatus;
int hdrlen, padpos, padsize;
int hdrlen, padsize;
int last_rssi = ATH_RSSI_DUMMY_MARKER;
__le16 fc;
@ -996,11 +996,9 @@ static bool ath9k_rx_prepare(struct ath9k_htc_priv *priv,
fc = hdr->frame_control;
hdrlen = ieee80211_get_hdrlen_from_skb(skb);
padpos = ath9k_cmn_padpos(fc);
padsize = padpos & 3;
if (padsize && skb->len >= padpos+padsize+FCS_LEN) {
memmove(skb->data + padsize, skb->data, padpos);
padsize = hdrlen & 3;
if (padsize && skb->len >= hdrlen+padsize+FCS_LEN) {
memmove(skb->data + padsize, skb->data, hdrlen);
skb_pull(skb, padsize);
}

2
drivers/net/wireless/ath/ath9k/recv.c
View File

@ -985,7 +985,7 @@ static void ath9k_rx_skb_postprocess(struct ath_common *common,
hdr = (struct ieee80211_hdr *) skb->data;
hdrlen = ieee80211_get_hdrlen_from_skb(skb);
fc = hdr->frame_control;
padpos = ath9k_cmn_padpos(hdr->frame_control);
padpos = ieee80211_hdrlen(fc);
/* The MAC header is padded to have 32-bit boundary if the
* packet payload is non-zero. The general calculation for

4
drivers/net/wireless/ath/ath9k/xmit.c
View File

@ -1971,7 +1971,7 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
}
/* Add the padding after the header if this is not already done */
padpos = ath9k_cmn_padpos(hdr->frame_control);
padpos = ieee80211_hdrlen(hdr->frame_control);
padsize = padpos & 3;
if (padsize && skb->len > padpos) {
if (skb_headroom(skb) < padsize)
@ -2033,7 +2033,7 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
/* Frame was ACKed */
tx_info->flags |= IEEE80211_TX_STAT_ACK;
padpos = ath9k_cmn_padpos(hdr->frame_control);
padpos = ieee80211_hdrlen(hdr->frame_control);
padsize = padpos & 3;
if (padsize && skb->len>padpos+padsize) {
/*