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Differential D14628 Diff 40100 head/sys/dev/bwn/if_bwn.c

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head/sys/dev/bwn/if_bwn.c

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static int static int
bwn_set_txhdr(struct bwn_mac *mac, struct ieee80211_node *ni, bwn_set_txhdr(struct bwn_mac *mac, struct ieee80211_node *ni,
struct mbuf *m, struct bwn_txhdr *txhdr, uint16_t cookie) struct mbuf *m, struct bwn_txhdr *txhdr, uint16_t cookie)
{ {
const struct bwn_phy *phy = &mac->mac_phy; const struct bwn_phy *phy = &mac->mac_phy;
struct bwn_softc *sc = mac->mac_sc; struct bwn_softc *sc = mac->mac_sc;
struct ieee80211_frame *wh; struct ieee80211_frame *wh;
struct ieee80211_frame *protwh; struct ieee80211_frame *protwh;
struct ieee80211_frame_cts *cts;
struct ieee80211_frame_rts *rts;
const struct ieee80211_txparam *tp = ni->ni_txparms; const struct ieee80211_txparam *tp = ni->ni_txparms;
struct ieee80211vap *vap = ni->ni_vap; struct ieee80211vap *vap = ni->ni_vap;
struct ieee80211com *ic = &sc->sc_ic; struct ieee80211com *ic = &sc->sc_ic;
struct mbuf *mprot; struct mbuf *mprot;
uint8_t *prot_ptr;
unsigned int len; unsigned int len;
uint32_t macctl = 0; uint32_t macctl = 0;
int protdur, rts_rate, rts_rate_fb, ismcast, isshort, rix, type; int rts_rate, rts_rate_fb, ismcast, isshort, rix, type;
uint16_t phyctl = 0; uint16_t phyctl = 0;
uint8_t rate, rate_fb; uint8_t rate, rate_fb;
int fill_phy_ctl1 = 0; int fill_phy_ctl1 = 0;
wh = mtod(m, struct ieee80211_frame *); wh = mtod(m, struct ieee80211_frame *);
memset(txhdr, 0, sizeof(*txhdr)); memset(txhdr, 0, sizeof(*txhdr));
type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
▲ Show 20 Lines • Show All 102 Lines • ▼ Show 20 Linesbwn_set_txhdr(struct bwn_mac *mac, struct ieee80211_node *ni,
if (!ismcast) if (!ismcast)
macctl |= BWN_TX_MAC_ACK; macctl |= BWN_TX_MAC_ACK;
macctl |= (BWN_TX_MAC_HWSEQ | BWN_TX_MAC_START_MSDU); macctl |= (BWN_TX_MAC_HWSEQ | BWN_TX_MAC_START_MSDU);
if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
m->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) m->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold)
macctl |= BWN_TX_MAC_LONGFRAME; macctl |= BWN_TX_MAC_LONGFRAME;
if (ic->ic_flags & IEEE80211_F_USEPROT) { if ((ic->ic_flags & IEEE80211_F_USEPROT) &&
ic->ic_protmode != IEEE80211_PROT_NONE) {
/* Note: don't fall back to CCK rates for 5G */ /* Note: don't fall back to CCK rates for 5G */
if (phy->gmode) if (phy->gmode)
rts_rate = BWN_CCK_RATE_1MB; rts_rate = BWN_CCK_RATE_1MB;
else else
rts_rate = BWN_OFDM_RATE_6MB; rts_rate = BWN_OFDM_RATE_6MB;
rts_rate_fb = bwn_get_fbrate(rts_rate); rts_rate_fb = bwn_get_fbrate(rts_rate);
/* XXX 'rate' here is hardware rate now, not the net80211 rate */ /* XXX 'rate' here is hardware rate now, not the net80211 rate */
protdur = ieee80211_compute_duration(ic->ic_rt, mprot = ieee80211_alloc_prot(ni, m, rate, ic->ic_protmode);
m->m_pkthdr.len, rate, isshort) + if (mprot == NULL) {
+ ieee80211_ack_duration(ic->ic_rt, rate, isshort); if_inc_counter(vap->iv_ifp, IFCOUNTER_OERRORS, 1);
device_printf(sc->sc_dev,
"could not allocate mbuf for protection mode %d\n",
ic->ic_protmode);
return (ENOBUFS);
}
if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) {
switch (mac->mac_fw.fw_hdr_format) { switch (mac->mac_fw.fw_hdr_format) {
case BWN_FW_HDR_351: case BWN_FW_HDR_351:
cts = (struct ieee80211_frame_cts *) prot_ptr = txhdr->body.r351.rts_frame;
txhdr->body.r351.rts_frame;
break; break;
case BWN_FW_HDR_410: case BWN_FW_HDR_410:
cts = (struct ieee80211_frame_cts *) prot_ptr = txhdr->body.r410.rts_frame;
txhdr->body.r410.rts_frame;
break; break;
case BWN_FW_HDR_598: case BWN_FW_HDR_598:
cts = (struct ieee80211_frame_cts *) prot_ptr = txhdr->body.r598.rts_frame;
txhdr->body.r598.rts_frame;
break; break;
} }
mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, bcopy(mtod(mprot, uint8_t *), prot_ptr, mprot->m_pkthdr.len);
protdur);
KASSERT(mprot != NULL, ("failed to alloc mbuf\n"));
bcopy(mtod(mprot, uint8_t *), (uint8_t *)cts,
mprot->m_pkthdr.len);
m_freem(mprot); m_freem(mprot);
if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) {
macctl |= BWN_TX_MAC_SEND_CTSTOSELF; macctl |= BWN_TX_MAC_SEND_CTSTOSELF;
len = sizeof(struct ieee80211_frame_cts); len = sizeof(struct ieee80211_frame_cts);
} else { } else {
switch (mac->mac_fw.fw_hdr_format) {
case BWN_FW_HDR_351:
rts = (struct ieee80211_frame_rts *)
txhdr->body.r351.rts_frame;
break;
case BWN_FW_HDR_410:
rts = (struct ieee80211_frame_rts *)
txhdr->body.r410.rts_frame;
break;
case BWN_FW_HDR_598:
rts = (struct ieee80211_frame_rts *)
txhdr->body.r598.rts_frame;
break;
}
/* XXX rate/rate_fb is the hardware rate */
protdur += ieee80211_ack_duration(ic->ic_rt, rate,
isshort);
mprot = ieee80211_alloc_rts(ic, wh->i_addr1,
wh->i_addr2, protdur);
KASSERT(mprot != NULL, ("failed to alloc mbuf\n"));
bcopy(mtod(mprot, uint8_t *), (uint8_t *)rts,
mprot->m_pkthdr.len);
m_freem(mprot);
macctl |= BWN_TX_MAC_SEND_RTSCTS; macctl |= BWN_TX_MAC_SEND_RTSCTS;
len = sizeof(struct ieee80211_frame_rts); len = sizeof(struct ieee80211_frame_rts);
} }
len += IEEE80211_CRC_LEN; len += IEEE80211_CRC_LEN;
switch (mac->mac_fw.fw_hdr_format) { switch (mac->mac_fw.fw_hdr_format) {
case BWN_FW_HDR_351: case BWN_FW_HDR_351:
bwn_plcp_genhdr((struct bwn_plcp4 *) bwn_plcp_genhdr((struct bwn_plcp4 *)
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