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brcm80211: smac: remove usage of brcmu_pkttotlen

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The function brcmu_pkttotlen calculates the total length of a sk_buff
chain following the next pointer. In brcmsmac this is not needed as
in each place where it was used the provided sk_buff had a NULL pointer
as next field value.

Reviewed-by: Alwin Beukers <alwin@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Arend van Spriel 2011-11-10 20:30:26 +01:00 committed by John W. Linville
parent 122d36fd5a
commit ad4d71f69e
2 changed files with 4 additions and 6 deletions
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6
drivers/net/wireless/brcm80211/brcmsmac/ampdu.c
View File

@ -649,7 +649,7 @@ brcms_c_sendampdu(struct ampdu_info *ampdu, struct brcms_txq_info *qi,
len = roundup(len, 4);
ampdu_len += (len + (ndelim + 1) * AMPDU_DELIMITER_LEN);
dma_len += (u16) brcmu_pkttotlen(p);
dma_len += (u16) p->len;
BCMMSG(wlc->wiphy, "wl%d: ampdu_len %d"
" seg_cnt %d null delim %d\n",
@ -741,9 +741,7 @@ brcms_c_sendampdu(struct ampdu_info *ampdu, struct brcms_txq_info *qi,
if (p) {
if ((tx_info->flags & IEEE80211_TX_CTL_AMPDU) &&
((u8) (p->priority) == tid)) {
plen = brcmu_pkttotlen(p) +
AMPDU_MAX_MPDU_OVERHEAD;
plen = p->len + AMPDU_MAX_MPDU_OVERHEAD;
plen = max(scb_ampdu->min_len, plen);
if ((plen + ampdu_len) > max_ampdu_bytes) {

4
drivers/net/wireless/brcm80211/brcmsmac/main.c
View File

@ -949,7 +949,7 @@ brcms_c_dotxstatus(struct brcms_c_info *wlc, struct tx_status *txs)
tx_info->flags |= IEEE80211_TX_STAT_ACK;
}
totlen = brcmu_pkttotlen(p);
totlen = p->len;
free_pdu = true;
brcms_c_txfifo_complete(wlc, queue, 1);
@ -6716,7 +6716,7 @@ brcms_c_d11hdrs_mac80211(struct brcms_c_info *wlc, struct ieee80211_hw *hw,
qos = ieee80211_is_data_qos(h->frame_control);
/* compute length of frame in bytes for use in PLCP computations */
len = brcmu_pkttotlen(p);
len = p->len;
phylen = len + FCS_LEN;
/* Get tx_info */