[PATCH 04/10] staging: brcm80211: replaced struct dot11_header by struct ieee80211_hdr
Roland Vossen
rvossen at broadcom.com
Fri Dec 24 14:17:43 UTC 2010
Code cleanup. Replaced Broadcom specific structure by its Linux equivalent.
Reviewed-by: Arend van Spriel <arend at broadcom.com>
Signed-off-by: Roland Vossen <rvossen at broadcom.com>
---
drivers/staging/brcm80211/include/proto/802.11.h | 10 ---
drivers/staging/brcm80211/sys/wlc_ampdu.c | 18 +++---
drivers/staging/brcm80211/sys/wlc_mac80211.c | 66 +++++++++++-----------
3 files changed, 42 insertions(+), 52 deletions(-)
diff --git a/drivers/staging/brcm80211/include/proto/802.11.h b/drivers/staging/brcm80211/include/proto/802.11.h
index 0fc12d1..bb3da20 100644
--- a/drivers/staging/brcm80211/include/proto/802.11.h
+++ b/drivers/staging/brcm80211/include/proto/802.11.h
@@ -44,16 +44,6 @@
#define DOT11_OUI_LEN 3
-struct dot11_header {
- u16 fc;
- u16 durid;
- u8 a1[ETH_ALEN];
- u8 a2[ETH_ALEN];
- u8 a3[ETH_ALEN];
- u16 seq;
- u8 a4[ETH_ALEN];
-} __attribute__((packed));
-
#define DOT11_RTS_LEN 16
#define DOT11_CTS_LEN 10
#define DOT11_ACK_LEN 10
diff --git a/drivers/staging/brcm80211/sys/wlc_ampdu.c b/drivers/staging/brcm80211/sys/wlc_ampdu.c
index 3ce2b2f..d4c1ee5 100644
--- a/drivers/staging/brcm80211/sys/wlc_ampdu.c
+++ b/drivers/staging/brcm80211/sys/wlc_ampdu.c
@@ -154,10 +154,10 @@ static void wlc_ampdu_dotxstatus_complete(struct ampdu_info *ampdu,
static inline u16 pkt_txh_seqnum(struct wlc_info *wlc, struct sk_buff *p)
{
d11txh_t *txh;
- struct dot11_header *h;
+ struct ieee80211_hdr *h;
txh = (d11txh_t *) p->data;
- h = (struct dot11_header *)((u8 *) (txh + 1) + D11_PHY_HDR_LEN);
- return ltoh16(h->seq) >> SEQNUM_SHIFT;
+ h = (struct ieee80211_hdr *)((u8 *) (txh + 1) + D11_PHY_HDR_LEN);
+ return ltoh16(h->seq_ctrl) >> SEQNUM_SHIFT;
}
struct ampdu_info *wlc_ampdu_attach(struct wlc_info *wlc)
@@ -510,7 +510,7 @@ wlc_sendampdu(struct ampdu_info *ampdu, wlc_txq_info_t *qi,
u32 ampdu_len, maxlen = 0;
d11txh_t *txh = NULL;
u8 *plcp;
- struct dot11_header *h;
+ struct ieee80211_hdr *h;
struct scb *scb;
scb_ampdu_t *scb_ampdu;
scb_ampdu_tid_ini_t *ini;
@@ -596,8 +596,8 @@ wlc_sendampdu(struct ampdu_info *ampdu, wlc_txq_info_t *qi,
ASSERT(tx_info->flags & IEEE80211_TX_CTL_AMPDU);
txh = (d11txh_t *) p->data;
plcp = (u8 *) (txh + 1);
- h = (struct dot11_header *)(plcp + D11_PHY_HDR_LEN);
- seq = ltoh16(h->seq) >> SEQNUM_SHIFT;
+ h = (struct ieee80211_hdr *)(plcp + D11_PHY_HDR_LEN);
+ seq = ltoh16(h->seq_ctrl) >> SEQNUM_SHIFT;
index = TX_SEQ_TO_INDEX(seq);
/* check mcl fields and test whether it can be agg'd */
@@ -968,7 +968,7 @@ wlc_ampdu_dotxstatus_complete(struct ampdu_info *ampdu, struct scb *scb,
u8 bitmap[8], queue, tid;
d11txh_t *txh;
u8 *plcp;
- struct dot11_header *h;
+ struct ieee80211_hdr *h;
u16 seq, start_seq = 0, bindex, index, mcl;
u8 mcs = 0;
bool ba_recd = false, ack_recd = false;
@@ -1089,8 +1089,8 @@ wlc_ampdu_dotxstatus_complete(struct ampdu_info *ampdu, struct scb *scb,
txh = (d11txh_t *) p->data;
mcl = ltoh16(txh->MacTxControlLow);
plcp = (u8 *) (txh + 1);
- h = (struct dot11_header *)(plcp + D11_PHY_HDR_LEN);
- seq = ltoh16(h->seq) >> SEQNUM_SHIFT;
+ h = (struct ieee80211_hdr *)(plcp + D11_PHY_HDR_LEN);
+ seq = ltoh16(h->seq_ctrl) >> SEQNUM_SHIFT;
if (tot_mpdu == 0) {
mcs = plcp[0] & MIMO_PLCP_MCS_MASK;
diff --git a/drivers/staging/brcm80211/sys/wlc_mac80211.c b/drivers/staging/brcm80211/sys/wlc_mac80211.c
index 1c68f4a..f3b1b12 100644
--- a/drivers/staging/brcm80211/sys/wlc_mac80211.c
+++ b/drivers/staging/brcm80211/sys/wlc_mac80211.c
@@ -1742,7 +1742,7 @@ void *wlc_attach(void *wl, u16 vendor, u16 device, uint unit, bool piomode,
ASSERT(sizeof(cck_phy_hdr_t) == D11_PHY_HDR_LEN);
ASSERT(sizeof(d11txh_t) == D11_TXH_LEN);
ASSERT(sizeof(d11rxhdr_t) == RXHDR_LEN);
- ASSERT(sizeof(struct dot11_header) == DOT11_A4_HDR_LEN);
+ ASSERT(sizeof(struct ieee80211_hdr) == DOT11_A4_HDR_LEN);
ASSERT(sizeof(struct ieee80211_rts) == DOT11_RTS_LEN);
ASSERT(sizeof(struct dot11_management_header) == DOT11_MGMT_HDR_LEN);
ASSERT(sizeof(struct dot11_bcn_prb) == DOT11_BCN_PRB_LEN);
@@ -5120,12 +5120,12 @@ wlc_sendpkt_mac80211(struct wlc_info *wlc, struct sk_buff *sdu,
uint fifo;
void *pkt;
struct scb *scb = &global_scb;
- struct dot11_header *d11_header = (struct dot11_header *)(sdu->data);
+ struct ieee80211_hdr *d11_header = (struct ieee80211_hdr *)(sdu->data);
u16 type, fc;
ASSERT(sdu);
- fc = ltoh16(d11_header->fc);
+ fc = ltoh16(d11_header->frame_control);
type = FC_TYPE(fc);
/* 802.11 standard requires management traffic to go at highest priority */
@@ -5658,7 +5658,7 @@ wlc_d11hdrs_mac80211(struct wlc_info *wlc, struct ieee80211_hw *hw,
uint nfrags, uint queue, uint next_frag_len,
wsec_key_t *key, ratespec_t rspec_override)
{
- struct dot11_header *h;
+ struct ieee80211_hdr *h;
d11txh_t *txh;
u8 *plcp, plcp_fallback[D11_PHY_HDR_LEN];
struct osl_info *osh;
@@ -5701,8 +5701,8 @@ wlc_d11hdrs_mac80211(struct wlc_info *wlc, struct ieee80211_hw *hw,
osh = wlc->osh;
/* locate 802.11 MAC header */
- h = (struct dot11_header *)(p->data);
- fc = ltoh16(h->fc);
+ h = (struct ieee80211_hdr *)(p->data);
+ fc = ltoh16(h->frame_control);
type = FC_TYPE(fc);
qos = (type == FC_TYPE_DATA && FC_SUBTYPE_ANY_QOS(FC_SUBTYPE(fc)));
@@ -5748,7 +5748,7 @@ wlc_d11hdrs_mac80211(struct wlc_info *wlc, struct ieee80211_hw *hw,
/* extract fragment number from frame first */
seq = ltoh16(seq) & FRAGNUM_MASK;
seq |= (SCB_SEQNUM(scb, p->priority) << SEQNUM_SHIFT);
- h->seq = htol16(seq);
+ h->seq_ctrl = htol16(seq);
frameid = ((seq << TXFID_SEQ_SHIFT) & TXFID_SEQ_MASK) |
(queue & TXFID_QUEUE_MASK);
@@ -5818,7 +5818,7 @@ wlc_d11hdrs_mac80211(struct wlc_info *wlc, struct ieee80211_hw *hw,
rspec[k] = WLC_RATE_1M;
} else {
if (WLANTSEL_ENAB(wlc) &&
- !is_multicast_ether_addr(h->a1)) {
+ !is_multicast_ether_addr(h->addr1)) {
/* set tx antenna config */
wlc_antsel_antcfg_get(wlc->asi, false, false, 0,
0, &antcfg, &fbantcfg);
@@ -5981,11 +5981,11 @@ wlc_d11hdrs_mac80211(struct wlc_info *wlc, struct ieee80211_hw *hw,
/* DUR field for main rate */
if ((fc != FC_PS_POLL) &&
- !is_multicast_ether_addr(h->a1) && !use_rifs) {
+ !is_multicast_ether_addr(h->addr1) && !use_rifs) {
durid =
wlc_compute_frame_dur(wlc, rspec[0], preamble_type[0],
next_frag_len);
- h->durid = htol16(durid);
+ h->duration_id = htol16(durid);
} else if (use_rifs) {
/* NAV protect to end of next max packet size */
durid =
@@ -5993,13 +5993,13 @@ wlc_d11hdrs_mac80211(struct wlc_info *wlc, struct ieee80211_hw *hw,
preamble_type[0],
DOT11_MAX_FRAG_LEN);
durid += RIFS_11N_TIME;
- h->durid = htol16(durid);
+ h->duration_id = htol16(durid);
}
/* DUR field for fallback rate */
if (fc == FC_PS_POLL)
- txh->FragDurFallback = h->durid;
- else if (is_multicast_ether_addr(h->a1) || use_rifs)
+ txh->FragDurFallback = h->duration_id;
+ else if (is_multicast_ether_addr(h->addr1) || use_rifs)
txh->FragDurFallback = 0;
else {
durid = wlc_compute_frame_dur(wlc, rspec[1],
@@ -6011,7 +6011,7 @@ wlc_d11hdrs_mac80211(struct wlc_info *wlc, struct ieee80211_hw *hw,
if (frag == 0)
mcl |= TXC_STARTMSDU;
- if (!is_multicast_ether_addr(h->a1))
+ if (!is_multicast_ether_addr(h->addr1))
mcl |= TXC_IMMEDACK;
if (BAND_5G(wlc->band->bandtype))
@@ -6039,14 +6039,14 @@ wlc_d11hdrs_mac80211(struct wlc_info *wlc, struct ieee80211_hw *hw,
}
/* MacFrameControl */
- bcopy((char *)&h->fc, (char *)&txh->MacFrameControl, sizeof(u16));
-
+ bcopy((char *)&h->frame_control, (char *)&txh->MacFrameControl,
+ sizeof(u16));
txh->TxFesTimeNormal = htol16(0);
txh->TxFesTimeFallback = htol16(0);
/* TxFrameRA */
- bcopy((char *)&h->a1, (char *)&txh->TxFrameRA, ETH_ALEN);
+ bcopy((char *)&h->addr1, (char *)&txh->TxFrameRA, ETH_ALEN);
/* TxFrameID */
txh->TxFrameID = htol16(frameid);
@@ -6133,10 +6133,10 @@ wlc_d11hdrs_mac80211(struct wlc_info *wlc, struct ieee80211_hw *hw,
if (use_cts) {
rts->frame_control = htol16(FC_CTS);
- bcopy((char *)&h->a2, (char *)&rts->ra, ETH_ALEN);
+ bcopy((char *)&h->addr2, (char *)&rts->ra, ETH_ALEN);
} else {
rts->frame_control = htol16((u16) FC_RTS);
- bcopy((char *)&h->a1, (char *)&rts->ra,
+ bcopy((char *)&h->addr1, (char *)&rts->ra,
2 * ETH_ALEN);
}
@@ -6240,7 +6240,7 @@ wlc_d11hdrs_mac80211(struct wlc_info *wlc, struct ieee80211_hw *hw,
if (SCB_WME(scb) && qos && wlc->edcf_txop[ac]) {
uint frag_dur, dur, dur_fallback;
- ASSERT(!is_multicast_ether_addr(h->a1));
+ ASSERT(!is_multicast_ether_addr(h->addr1));
/* WME: Update TXOP threshold */
if ((!(tx_info->flags & IEEE80211_TX_CTL_AMPDU)) && (frag == 0)) {
@@ -6542,7 +6542,7 @@ wlc_dotxstatus(struct wlc_info *wlc, tx_status_t *txs, u32 frm_tx2)
int tx_rts, tx_frame_count, tx_rts_count;
uint totlen, supr_status;
bool lastframe;
- struct dot11_header *h;
+ struct ieee80211_hdr *h;
u16 fc;
u16 mcl;
struct ieee80211_tx_info *tx_info;
@@ -6598,8 +6598,8 @@ wlc_dotxstatus(struct wlc_info *wlc, tx_status_t *txs, u32 frm_tx2)
goto fatal;
tx_info = IEEE80211_SKB_CB(p);
- h = (struct dot11_header *)((u8 *) (txh + 1) + D11_PHY_HDR_LEN);
- fc = ltoh16(h->fc);
+ h = (struct ieee80211_hdr *)((u8 *) (txh + 1) + D11_PHY_HDR_LEN);
+ fc = ltoh16(h->frame_control);
scb = (struct scb *)tx_info->control.sta->drv_priv;
@@ -6995,7 +6995,7 @@ void wlc_bss_list_free(struct wlc_info *wlc, wlc_bss_list_t *bss_list)
void BCMFASTPATH wlc_recv(struct wlc_info *wlc, struct sk_buff *p)
{
d11rxhdr_t *rxh;
- struct dot11_header *h;
+ struct ieee80211_hdr *h;
struct osl_info *osh;
u16 fc;
uint len;
@@ -7025,7 +7025,7 @@ void BCMFASTPATH wlc_recv(struct wlc_info *wlc, struct sk_buff *p)
skb_pull(p, 2);
}
- h = (struct dot11_header *)(p->data + D11_PHY_HDR_LEN);
+ h = (struct ieee80211_hdr *)(p->data + D11_PHY_HDR_LEN);
len = p->len;
if (rxh->RxStatus1 & RXS_FCSERR) {
@@ -7039,8 +7039,8 @@ void BCMFASTPATH wlc_recv(struct wlc_info *wlc, struct sk_buff *p)
}
/* check received pkt has at least frame control field */
- if (len >= D11_PHY_HDR_LEN + sizeof(h->fc)) {
- fc = ltoh16(h->fc);
+ if (len >= D11_PHY_HDR_LEN + sizeof(h->frame_control)) {
+ fc = ltoh16(h->frame_control);
} else {
WLCNTINCR(wlc->pub->_cnt->rxrunt);
goto toss;
@@ -7052,10 +7052,10 @@ void BCMFASTPATH wlc_recv(struct wlc_info *wlc, struct sk_buff *p)
if (!is_amsdu) {
/* CTS and ACK CTL frames are w/o a2 */
if (FC_TYPE(fc) == FC_TYPE_DATA || FC_TYPE(fc) == FC_TYPE_MNG) {
- if ((is_zero_ether_addr(h->a2) ||
- is_multicast_ether_addr(h->a2))) {
+ if ((is_zero_ether_addr(h->addr2) ||
+ is_multicast_ether_addr(h->addr2))) {
WL_ERROR("wl%d: %s: dropping a frame with invalid src mac address, a2: %pM\n",
- wlc->pub->unit, __func__, &h->a2);
+ wlc->pub->unit, __func__, &h->addr2);
WLCNTINCR(wlc->pub->_cnt->rxbadsrcmac);
goto toss;
}
@@ -7829,7 +7829,7 @@ int wlc_prep_pdu(struct wlc_info *wlc, struct sk_buff *pdu, uint *fifop)
struct osl_info *osh;
uint fifo;
d11txh_t *txh;
- struct dot11_header *h;
+ struct ieee80211_hdr *h;
struct scb *scb;
u16 fc;
@@ -7838,9 +7838,9 @@ int wlc_prep_pdu(struct wlc_info *wlc, struct sk_buff *pdu, uint *fifop)
ASSERT(pdu);
txh = (d11txh_t *) (pdu->data);
ASSERT(txh);
- h = (struct dot11_header *)((u8 *) (txh + 1) + D11_PHY_HDR_LEN);
+ h = (struct ieee80211_hdr *)((u8 *) (txh + 1) + D11_PHY_HDR_LEN);
ASSERT(h);
- fc = ltoh16(h->fc);
+ fc = ltoh16(h->frame_control);
/* get the pkt queue info. This was put at wlc_sendctl or wlc_send for PDU */
fifo = ltoh16(txh->TxFrameID) & TXFID_QUEUE_MASK;
--
1.7.1
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