[bwn] add initial 5xx firmware API support
* Add the new TX/RX frame formats; * Use the right TX/RX format based on the frame info; * Disable the 5xx firmware check, since now it should somewhat work (but note, we don't yet use it unless you manually add ucode11/initvals11 from the 5.x driver to bwn-kmod-firmware; * Misc: update some comments/debugging now I know what's actually going on. Tested: * BCM4321MC, STA mode, both 4xx and 666 firmware, DMA mode TODO: * The newer firmware ends up logging "warn: firmware state (0)"; not sure yet what's going on there. But, yes, it still works. I'm committing this via a BCM4321MC, 11a station, firmware rev 666. Obtained from: Linux b43 (TX/RX descriptor format for 5xx)
This commit is contained in:
Adrian Chadd
parent
4c7070db25
commit
a74bf02069
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=300114
@ -1216,14 +1216,12 @@ bwn_attach_core(struct bwn_mac *mac)
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}
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/*
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* XXX turns off PHY A because it's not supported.
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* Implement PHY-A support so we can use it for PHY-G
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* dual-band support.
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* XXX The PHY-G support doesn't do 5GHz operation.
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*/
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if (mac->mac_phy.type != BWN_PHYTYPE_LP &&
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mac->mac_phy.type != BWN_PHYTYPE_N) {
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device_printf(sc->sc_dev,
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"%s: forcing 2GHz only; missing PHY-A support\n",
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"%s: forcing 2GHz only; no dual-band support for PHY\n",
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__func__);
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have_a = 0;
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have_bg = 1;
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@ -3791,6 +3789,8 @@ bwn_psctl(struct bwn_mac *mac, uint32_t flags)
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DELAY(10);
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}
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}
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DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: ucstat=%d\n", __func__,
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ucstat);
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}
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static int
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@ -4186,12 +4186,14 @@ bwn_fw_loaducode(struct bwn_mac *mac)
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* So, complain this is the case and exit out, rather
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* than attaching and then failing.
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*/
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#if 0
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if (mac->mac_fw.fw_hdr_format == BWN_FW_HDR_598) {
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device_printf(sc->sc_dev,
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"firmware is too new (>=598); not supported\n");
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error = EOPNOTSUPP;
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goto error;
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}
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#endif
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mac->mac_fw.patch = bwn_shm_read_2(mac, BWN_SHARED,
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BWN_SHARED_UCODE_PATCH);
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@ -5351,7 +5353,17 @@ bwn_dma_rxeof(struct bwn_dma_ring *dr, int *slot)
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len, dr->dr_rx_bufsize, cnt);
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return;
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}
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macstat = le32toh(rxhdr->mac_status);
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switch (mac->mac_fw.fw_hdr_format) {
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case BWN_FW_HDR_351:
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case BWN_FW_HDR_410:
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macstat = le32toh(rxhdr->ps4.r351.mac_status);
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break;
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case BWN_FW_HDR_598:
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macstat = le32toh(rxhdr->ps4.r598.mac_status);
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break;
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}
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if (macstat & BWN_RX_MAC_FCSERR) {
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if (!(mac->mac_sc->sc_filters & BWN_MACCTL_PASS_BADFCS)) {
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device_printf(sc->sc_dev, "RX drop\n");
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@ -5452,7 +5464,16 @@ bwn_pio_rxeof(struct bwn_pio_rxqueue *prq)
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goto error;
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}
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macstat = le32toh(rxhdr.mac_status);
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switch (mac->mac_fw.fw_hdr_format) {
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case BWN_FW_HDR_351:
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case BWN_FW_HDR_410:
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macstat = le32toh(rxhdr.ps4.r351.mac_status);
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break;
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case BWN_FW_HDR_598:
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macstat = le32toh(rxhdr.ps4.r598.mac_status);
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break;
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}
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if (macstat & BWN_RX_MAC_FCSERR) {
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if (!(mac->mac_sc->sc_filters & BWN_MACCTL_PASS_BADFCS)) {
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device_printf(sc->sc_dev, "%s: FCS error", __func__);
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@ -5706,11 +5727,25 @@ bwn_rxeof(struct bwn_mac *mac, struct mbuf *m, const void *_rxhdr)
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BWN_ASSERT_LOCKED(sc);
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phystat0 = le16toh(rxhdr->phy_status0);
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phystat3 = le16toh(rxhdr->phy_status3);
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/* XXX Note: mactime, macstat, chanstat need fixing for fw 598 */
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macstat = le32toh(rxhdr->mac_status);
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chanstat = le16toh(rxhdr->channel);
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/*
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* XXX Note: phy_status3 doesn't exist for HT-PHY; it's only
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* used for LP-PHY.
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*/
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phystat3 = le16toh(rxhdr->ps3.lp.phy_status3);
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switch (mac->mac_fw.fw_hdr_format) {
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case BWN_FW_HDR_351:
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case BWN_FW_HDR_410:
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macstat = le32toh(rxhdr->ps4.r351.mac_status);
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chanstat = le16toh(rxhdr->ps4.r351.channel);
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break;
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case BWN_FW_HDR_598:
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macstat = le32toh(rxhdr->ps4.r598.mac_status);
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chanstat = le16toh(rxhdr->ps4.r598.channel);
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break;
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}
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phytype = chanstat & BWN_RX_CHAN_PHYTYPE;
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@ -6181,10 +6216,22 @@ bwn_set_txhdr(struct bwn_mac *mac, struct ieee80211_node *ni,
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m->m_pkthdr.len, rate, isshort);
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/* XXX TX encryption */
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bwn_plcp_genhdr(BWN_ISOLDFMT(mac) ?
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(struct bwn_plcp4 *)(&txhdr->body.old.plcp) :
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(struct bwn_plcp4 *)(&txhdr->body.new.plcp),
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m->m_pkthdr.len + IEEE80211_CRC_LEN, rate);
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switch (mac->mac_fw.fw_hdr_format) {
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case BWN_FW_HDR_351:
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bwn_plcp_genhdr((struct bwn_plcp4 *)(&txhdr->body.r351.plcp),
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m->m_pkthdr.len + IEEE80211_CRC_LEN, rate);
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break;
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case BWN_FW_HDR_410:
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bwn_plcp_genhdr((struct bwn_plcp4 *)(&txhdr->body.r410.plcp),
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m->m_pkthdr.len + IEEE80211_CRC_LEN, rate);
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break;
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case BWN_FW_HDR_598:
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bwn_plcp_genhdr((struct bwn_plcp4 *)(&txhdr->body.r598.plcp),
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m->m_pkthdr.len + IEEE80211_CRC_LEN, rate);
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break;
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}
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bwn_plcp_genhdr((struct bwn_plcp4 *)(&txhdr->plcp_fb),
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m->m_pkthdr.len + IEEE80211_CRC_LEN, rate_fb);
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@ -6243,9 +6290,22 @@ bwn_set_txhdr(struct bwn_mac *mac, struct ieee80211_node *ni,
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+ ieee80211_ack_duration(ic->ic_rt, rate, isshort);
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if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) {
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cts = (struct ieee80211_frame_cts *)(BWN_ISOLDFMT(mac) ?
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(txhdr->body.old.rts_frame) :
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(txhdr->body.new.rts_frame));
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switch (mac->mac_fw.fw_hdr_format) {
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case BWN_FW_HDR_351:
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cts = (struct ieee80211_frame_cts *)
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txhdr->body.r351.rts_frame;
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break;
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case BWN_FW_HDR_410:
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cts = (struct ieee80211_frame_cts *)
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txhdr->body.r410.rts_frame;
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break;
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case BWN_FW_HDR_598:
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cts = (struct ieee80211_frame_cts *)
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txhdr->body.r598.rts_frame;
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break;
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}
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mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr,
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protdur);
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KASSERT(mprot != NULL, ("failed to alloc mbuf\n"));
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@ -6255,9 +6315,21 @@ bwn_set_txhdr(struct bwn_mac *mac, struct ieee80211_node *ni,
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macctl |= BWN_TX_MAC_SEND_CTSTOSELF;
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len = sizeof(struct ieee80211_frame_cts);
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} else {
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rts = (struct ieee80211_frame_rts *)(BWN_ISOLDFMT(mac) ?
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(txhdr->body.old.rts_frame) :
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(txhdr->body.new.rts_frame));
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switch (mac->mac_fw.fw_hdr_format) {
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case BWN_FW_HDR_351:
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rts = (struct ieee80211_frame_rts *)
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txhdr->body.r351.rts_frame;
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break;
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case BWN_FW_HDR_410:
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rts = (struct ieee80211_frame_rts *)
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txhdr->body.r410.rts_frame;
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break;
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case BWN_FW_HDR_598:
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rts = (struct ieee80211_frame_rts *)
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txhdr->body.r598.rts_frame;
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break;
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}
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/* XXX rate/rate_fb is the hardware rate */
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protdur += ieee80211_ack_duration(ic->ic_rt, rate,
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isshort);
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@ -6271,15 +6343,40 @@ bwn_set_txhdr(struct bwn_mac *mac, struct ieee80211_node *ni,
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len = sizeof(struct ieee80211_frame_rts);
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}
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len += IEEE80211_CRC_LEN;
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bwn_plcp_genhdr((struct bwn_plcp4 *)((BWN_ISOLDFMT(mac)) ?
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&txhdr->body.old.rts_plcp :
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&txhdr->body.new.rts_plcp), len, rts_rate);
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switch (mac->mac_fw.fw_hdr_format) {
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case BWN_FW_HDR_351:
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bwn_plcp_genhdr((struct bwn_plcp4 *)
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&txhdr->body.r351.rts_plcp, len, rts_rate);
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break;
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case BWN_FW_HDR_410:
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bwn_plcp_genhdr((struct bwn_plcp4 *)
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&txhdr->body.r410.rts_plcp, len, rts_rate);
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break;
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case BWN_FW_HDR_598:
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bwn_plcp_genhdr((struct bwn_plcp4 *)
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&txhdr->body.r598.rts_plcp, len, rts_rate);
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break;
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}
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bwn_plcp_genhdr((struct bwn_plcp4 *)&txhdr->rts_plcp_fb, len,
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rts_rate_fb);
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protwh = (struct ieee80211_frame *)(BWN_ISOLDFMT(mac) ?
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(&txhdr->body.old.rts_frame) :
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(&txhdr->body.new.rts_frame));
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switch (mac->mac_fw.fw_hdr_format) {
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case BWN_FW_HDR_351:
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protwh = (struct ieee80211_frame *)
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&txhdr->body.r351.rts_frame;
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break;
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case BWN_FW_HDR_410:
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protwh = (struct ieee80211_frame *)
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&txhdr->body.r410.rts_frame;
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break;
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case BWN_FW_HDR_598:
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protwh = (struct ieee80211_frame *)
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&txhdr->body.r598.rts_frame;
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break;
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}
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txhdr->rts_dur_fb = *(u_int16_t *)protwh->i_dur;
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if (BWN_ISOFDMRATE(rts_rate)) {
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@ -6303,10 +6400,17 @@ bwn_set_txhdr(struct bwn_mac *mac, struct ieee80211_node *ni,
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txhdr->phyctl_1fb = htole16(bwn_set_txhdr_phyctl1(mac, rate_fb));
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}
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if (BWN_ISOLDFMT(mac))
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txhdr->body.old.cookie = htole16(cookie);
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else
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txhdr->body.new.cookie = htole16(cookie);
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switch (mac->mac_fw.fw_hdr_format) {
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case BWN_FW_HDR_351:
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txhdr->body.r351.cookie = htole16(cookie);
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break;
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case BWN_FW_HDR_410:
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txhdr->body.r410.cookie = htole16(cookie);
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break;
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case BWN_FW_HDR_598:
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txhdr->body.r598.cookie = htole16(cookie);
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break;
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}
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txhdr->macctl = htole32(macctl);
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txhdr->phyctl = htole16(phyctl);
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@ -6739,6 +6843,7 @@ bwn_rx_radiotap(struct bwn_mac *mac, struct mbuf *m,
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const struct ieee80211_frame_min *wh;
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uint64_t tsf;
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uint16_t low_mactime_now;
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uint16_t mt;
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if (htole16(rxhdr->phy_status0) & BWN_RX_PHYST0_SHORTPRMBL)
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sc->sc_rx_th.wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
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@ -6750,8 +6855,19 @@ bwn_rx_radiotap(struct bwn_mac *mac, struct mbuf *m,
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bwn_tsf_read(mac, &tsf);
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low_mactime_now = tsf;
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tsf = tsf & ~0xffffULL;
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tsf += le16toh(rxhdr->mac_time);
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if (low_mactime_now < le16toh(rxhdr->mac_time))
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switch (mac->mac_fw.fw_hdr_format) {
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case BWN_FW_HDR_351:
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case BWN_FW_HDR_410:
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mt = le16toh(rxhdr->ps4.r351.mac_time);
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break;
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case BWN_FW_HDR_598:
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mt = le16toh(rxhdr->ps4.r598.mac_time);
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break;
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}
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tsf += mt;
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if (low_mactime_now < mt)
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tsf -= 0x10000;
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sc->sc_rx_th.wr_tsf = tsf;
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@ -271,10 +271,29 @@ struct bwn_rxhdr4 {
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} __packed ht;
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uint16_t phy_status2;
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} __packed ps2;
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uint16_t phy_status3;
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uint32_t mac_status;
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uint16_t mac_time;
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uint16_t channel;
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union {
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struct {
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uint16_t phy_status3;
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} __packed lp;
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struct {
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int8_t phy_ht_power1;
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int8_t phy_ht_power2;
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} __packed ht;
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} __packed ps3;
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union {
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struct {
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uint32_t mac_status;
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uint16_t mac_time;
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uint16_t channel;
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} __packed r351;
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struct {
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uint16_t phy_status4;
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uint16_t phy_status5;
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uint32_t mac_status;
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uint16_t mac_time;
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uint16_t channel;
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} __packed r598;
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} __packed ps4;
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} __packed;
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struct bwn_txstatus {
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@ -765,8 +784,8 @@ struct bwn_txhdr {
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uint8_t rts_frame[16];
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uint8_t pad1[2];
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struct bwn_plcp6 plcp;
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} __packed old;
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/* format > r410 */
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} __packed r351;
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/* format > r410 < r598 */
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struct {
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uint16_t mimo_antenna;
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uint16_t preload_size;
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@ -777,7 +796,22 @@ struct bwn_txhdr {
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uint8_t rts_frame[16];
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uint8_t pad1[2];
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struct bwn_plcp6 plcp;
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} __packed new;
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} __packed r410;
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struct {
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uint16_t mimo_antenna;
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uint16_t preload_size;
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uint8_t pad0[2];
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uint16_t cookie;
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uint16_t tx_status;
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uint16_t max_n_mpdus;
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uint16_t max_a_bytes_mrt;
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uint16_t max_a_bytes_fbr;
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uint16_t min_m_bytes;
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struct bwn_plcp6 rts_plcp;
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uint8_t rts_frame[16];
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uint8_t pad1[2];
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struct bwn_plcp6 plcp;
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} __packed r598;
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} __packed body;
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} __packed;
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