freebsd_wlan/net80211/ieee80211_ht.c

255 ieee80211_ht_vattach(struct ieee80211vap *vap)
259 	vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_8K;
260 	vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
261 	vap->iv_ampdu_limit = vap->iv_ampdu_rxmax;
262 	vap->iv_amsdu_limit = vap->iv_htcaps & IEEE80211_HTCAP_MAXAMSDU;
264 	vap->iv_ampdu_mintraffic[WME_AC_BK] = 128;
265 	vap->iv_ampdu_mintraffic[WME_AC_BE] = 64;
266 	vap->iv_ampdu_mintraffic[WME_AC_VO] = 32;
267 	vap->iv_ampdu_mintraffic[WME_AC_VI] = 32;
269 	vap->iv_htprotmode = IEEE80211_PROT_RTSCTS;
270 	vap->iv_curhtprotmode = IEEE80211_HTINFO_OPMODE_PURE;
272 	if (vap->iv_htcaps & IEEE80211_HTC_HT) {
278 		vap->iv_flags_ht |= IEEE80211_FHT_HT
281 		if (vap->iv_htcaps & IEEE80211_HTCAP_SHORTGI20)
282 			vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20;
284 		if (vap->iv_htcaps & IEEE80211_HTCAP_CHWIDTH40) {
285 			vap->iv_flags_ht |= IEEE80211_FHT_USEHT40;
286 			if (vap->iv_htcaps & IEEE80211_HTCAP_SHORTGI40)
287 				vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40;
290 		if (vap->iv_htcaps & IEEE80211_HTC_RIFS)
291 			vap->iv_flags_ht |= IEEE80211_FHT_RIFS;
294 		vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX;
295 		if (vap->iv_htcaps & IEEE80211_HTC_AMPDU)
296 			vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX;
297 		vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX;
298 		if (vap->iv_htcaps & IEEE80211_HTC_AMSDU)
299 			vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX;
301 		if (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC)
302 			vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX;
303 		if (vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC)
304 			vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX;
306 		if (vap->iv_htcaps & IEEE80211_HTCAP_LDPC)
307 			vap->iv_flags_ht |= IEEE80211_FHT_LDPC_RX;
308 		if (vap->iv_htcaps & IEEE80211_HTC_TXLDPC)
309 			vap->iv_flags_ht |= IEEE80211_FHT_LDPC_TX;
312 	if (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY)
313 		vap->iv_flags_ht &= ~IEEE80211_FHT_HT;
317 ieee80211_ht_vdetach(struct ieee80211vap *vap)
473 	struct ieee80211vap *vap = ni->ni_vap;
480 	vap->iv_stats.is_amsdu_decap++;
491 			IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_ANY,
493 			vap->iv_stats.is_amsdu_tooshort++;
500 			IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_ANY,
503 			vap->iv_stats.is_amsdu_split++;
507 		vap->iv_deliver_data(vap, ni, m);
550 	struct ieee80211vap *vap = ni->ni_vap;
607 			IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT | IEEE80211_MSG_11N,
622 		vap->iv_stats.is_ampdu_rx_reorder++;
635 		IEEE80211_DISCARD_MAC(vap,
642 			IEEE80211_DISCARD_MAC(vap,
649 			IEEE80211_DISCARD_MAC(vap,
655 		vap->iv_stats.is_rx_dup++;
701 	struct ieee80211vap *vap = ni->ni_vap;
718 	if ((vap->iv_htcaps & IEEE80211_HTC_RX_AMSDU_AMPDU) &&
838 	struct ieee80211vap *vap = ni->ni_vap;
864 		vap->iv_stats.is_ampdu_rx_copy += rap->rxa_qframes;
879 	struct ieee80211vap *vap = ni->ni_vap;
899 	vap->iv_stats.is_ampdu_rx_oor += r2;
944 	struct ieee80211vap *vap = ni->ni_vap;
963 		vap->iv_stats.is_ampdu_rx_oor += r;
1007 	struct ieee80211vap *vap = ni->ni_vap;
1053 		IEEE80211_DISCARD_MAC(vap,
1057 		vap->iv_stats.is_ampdu_rx_drop++;
1141 					vap->iv_stats.is_ampdu_rx_age +=
1182 		IEEE80211_NOTE(vap, IEEE80211_MSG_11N, ni,
1187 		vap->iv_stats.is_ampdu_rx_move++;
1206 		IEEE80211_DISCARD_MAC(vap,
1213 		vap->iv_stats.is_ampdu_rx_drop++;
1230 	struct ieee80211vap *vap = ni->ni_vap;
1238 		IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_11N,
1241 		vap->iv_stats.is_ampdu_bar_bad++;
1252 		IEEE80211_DISCARD_MAC(vap,
1255 		vap->iv_stats.is_ampdu_bar_bad++;
1258 	vap->iv_stats.is_ampdu_bar_rx++;
1269 		IEEE80211_NOTE(vap, IEEE80211_MSG_11N, ni,
1274 		vap->iv_stats.is_ampdu_bar_move++;
1290 		IEEE80211_DISCARD_MAC(vap,
1297 		vap->iv_stats.is_ampdu_bar_oow++;
1379 	struct ieee80211vap *vap = ni->ni_vap;
1402 			vap->iv_stats.is_ampdu_rx_age += rap->rxa_qframes;
1416  * Adjust a channel to be HT/non-HT according to the vap's configuration.
1460 	struct ieee80211vap *vap = ni->ni_vap;
1464 	KASSERT(vap->iv_flags_ht & IEEE80211_FHT_HT, ("no HT requested"));
1477 	if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20)
1486 		if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40)
1493 	if (vap->iv_flags_ht & IEEE80211_FHT_RIFS)
1517 ieee80211_htinfo_notify(struct ieee80211vap *vap)
1520 	IEEE80211_LOCK_ASSERT(vap->iv_ic);
1522 	if (vap->iv_opmode != IEEE80211_M_HOSTAP)
1524 	if (vap->iv_state != IEEE80211_S_RUN ||
1525 	    !IEEE80211_IS_CHAN_HT(vap->iv_bss->ni_chan))
1528 	IEEE80211_NOTE(vap,
1530 	    vap->iv_bss,
1533 	    , vap->iv_sta_assoc
1534 	    , vap->iv_ht_sta_assoc
1535 	    , vap->iv_ht40_sta_assoc
1536 	    , (vap->iv_flags_ht & IEEE80211_FHT_NONHT_PR) ?
1538 	    , vap->iv_curhtprotmode);
1540 	ieee80211_beacon_notify(vap, IEEE80211_BEACON_HTINFO);
1548 htinfo_update(struct ieee80211vap *vap)
1550 	struct ieee80211com *ic = vap->iv_ic;
1553 	if (vap->iv_sta_assoc != vap->iv_ht_sta_assoc) {
1556 	} else if (vap->iv_flags_ht & IEEE80211_FHT_NONHT_PR) {
1561 	    vap->iv_sta_assoc != vap->iv_ht40_sta_assoc) {
1566 	if (protmode != vap->iv_curhtprotmode) {
1567 		vap->iv_curhtprotmode = protmode;
1569 		ieee80211_vap_update_ht_protmode(vap);
1579 	struct ieee80211vap *vap = ni->ni_vap;
1581 	IEEE80211_LOCK_ASSERT(vap->iv_ic);
1584 		vap->iv_ht_sta_assoc++;
1586 			vap->iv_ht40_sta_assoc++;
1588 	htinfo_update(vap);
1597 	struct ieee80211vap *vap = ni->ni_vap;
1599 	IEEE80211_LOCK_ASSERT(vap->iv_ic);
1602 		vap->iv_ht_sta_assoc--;
1604 			vap->iv_ht40_sta_assoc--;
1606 	htinfo_update(vap);
1623 ieee80211_htprot_update(struct ieee80211vap *vap, int protmode)
1625 	struct ieee80211com *ic = vap->iv_ic;
1632 	vap->iv_flags_ht |= IEEE80211_FHT_NONHT_PR;
1633 	vap->iv_lastnonht = ticks;
1635 	if (protmode != vap->iv_curhtprotmode &&
1636 	    (OPMODE(vap->iv_curhtprotmode) != IEEE80211_HTINFO_OPMODE_MIXED ||
1638 		vap->iv_curhtprotmode = protmode;
1640 		ieee80211_vap_update_ht_protmode(vap);
1655 ieee80211_ht_timeout(struct ieee80211vap *vap)
1658 	IEEE80211_LOCK_ASSERT(vap->iv_ic);
1660 	if ((vap->iv_flags_ht & IEEE80211_FHT_NONHT_PR) &&
1661 	    ieee80211_time_after(ticks, vap->iv_lastnonht + IEEE80211_NONHT_PRESENT_AGE)) {
1662 		IEEE80211_DPRINTF(vap, IEEE80211_MSG_11N,
1664 		vap->iv_flags_ht &= ~IEEE80211_FHT_NONHT_PR;
1665 		htinfo_update(vap);
1868 	struct ieee80211vap *vap = ni->ni_vap;
1872 	    (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20))
1875 	    (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40))
1886 	struct ieee80211vap *vap = ni->ni_vap;
1889 	    (vap->iv_flags_ht & IEEE80211_FHT_LDPC_TX))
1906 	struct ieee80211vap *vap = ni->ni_vap;
1910 	if (vap->iv_htcaps & IEEE80211_HTC_SMPS)
1926 	    (vap->iv_flags_ht & IEEE80211_FHT_RIFS))
1935 	struct ieee80211vap *vap = ni->ni_vap;
1939 	if (ni->ni_flags & IEEE80211_NODE_VHT && vap->iv_flags_vht & IEEE80211_FVHT_VHT) {
1942 		    (_IEEE80211_MASKSHIFT(vap->iv_vhtcaps,
1944 		    (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT160)) {
1954 		    (_IEEE80211_MASKSHIFT(vap->iv_vhtcaps,
1956 		    (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT80P80)) {
1965 		    (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT80)) {
1983 			    (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT40)) {
1987 			    (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT40)) {
2019 	struct ieee80211vap *vap = ni->ni_vap;
2026 	htflags = (vap->iv_flags_ht & IEEE80211_FHT_HT) ?
2031 	    (vap->iv_flags_ht & IEEE80211_FHT_USEHT40)) {
2060 	struct ieee80211vap *vap = ni->ni_vap;
2063 	if (vap->iv_htcaps & IEEE80211_HTC_SMPS)
2077 	struct ieee80211vap *vap = ni->ni_vap;
2083 	htflags = (vap->iv_flags_ht & IEEE80211_FHT_HT) ?
2086 	    (vap->iv_flags_ht & IEEE80211_FHT_USEHT40)) {
2087 		if (IEEE80211_IS_CHAN_HT40U(vap->iv_bss->ni_chan))
2089 		else if (IEEE80211_IS_CHAN_HT40D(vap->iv_bss->ni_chan))
2109 	struct ieee80211vap *vap = ni->ni_vap;
2135 				IEEE80211_NOTE(vap,
2139 				vap->iv_stats.is_rx_rstoobig++;
2353 	struct ieee80211vap *vap = ni->ni_vap;
2366 		/* TODO: this should be a vap flag */
2367 		if ((vap->iv_htcaps & IEEE80211_HTC_TX_AMSDU_AMPDU) &&
2408 	struct ieee80211vap *vap = ni->ni_vap;
2422 	IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
2442 	    (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX)) {
2449 		IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_11N,
2454 		vap->iv_stats.is_addba_reject++;
2469 	    (vap->iv_htcaps & IEEE80211_HTC_RX_AMSDU_AMPDU))
2485 	struct ieee80211vap *vap = ni->ni_vap;
2503 		IEEE80211_DISCARD_MAC(vap,
2508 		vap->iv_stats.is_addba_norequest++;
2512 		IEEE80211_DISCARD_MAC(vap,
2518 		vap->iv_stats.is_addba_badtoken++;
2523 		IEEE80211_DISCARD_MAC(vap,
2530 		vap->iv_stats.is_addba_badpolicy++;
2536 		IEEE80211_DISCARD_MAC(vap,
2542 		vap->iv_stats.is_addba_badbawinsize++;
2547 	IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
2651 	struct ieee80211vap *vap = ni->ni_vap;
2654 	    vap->iv_ampdu_mintraffic[TID_TO_WME_AC(tap->txa_tid)])
2666 	IEEE80211_NOTE(vap, IEEE80211_MSG_11N, ni,
2748 	struct ieee80211vap *vap = ni->ni_vap;
2754 		IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_11N,
2758 		vap->iv_stats.is_ampdu_stop++;
2767 		IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_11N,
2771 		vap->iv_stats.is_ampdu_stop_failed++;
2907 #define	senderr(_x, _v)	do { vap->iv_stats._v++; ret = _x; goto bad; } while (0)
2908 	struct ieee80211vap *vap = ni->ni_vap;
2946 	IEEE80211_ADDR_COPY(bar->i_ta, vap->iv_myaddr);
2973 	IEEE80211_NOTE(vap, IEEE80211_MSG_DEBUG | IEEE80211_MSG_11N,
2982 	ret = ieee80211_raw_output(vap, ni, m, NULL);
2985 		IEEE80211_NOTE(vap, IEEE80211_MSG_DEBUG | IEEE80211_MSG_11N,
2990 		vap->iv_stats.is_ampdu_bar_tx_fail++;
3002 	vap->iv_stats.is_ampdu_bar_tx_fail++;
3038 	struct ieee80211vap *vap = ni->ni_vap;
3044 	IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
3053 	IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE,
3077 		vap->iv_stats.is_tx_nobuf++;
3087 	struct ieee80211vap *vap = ni->ni_vap;
3097 	IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
3101 	IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE,
3120 		vap->iv_stats.is_tx_nobuf++;
3130 	struct ieee80211vap *vap = ni->ni_vap;
3135 	IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni,
3139 	IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE,
3159 		vap->iv_stats.is_tx_nobuf++;
3224 	struct ieee80211vap *vap = ni->ni_vap;
3229 	caps = vap->iv_htcaps & 0xffff;
3238 	if (vap->iv_opmode == IEEE80211_M_STA) {
3240 		if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40)
3251 		IEEE80211_DPRINTF(vap, IEEE80211_MSG_11N,
3252 		    "%s: advertised rxmax=%d, density=%d, vap rxmax=%d, density=%d\n",
3256 		    vap->iv_ampdu_rxmax,
3257 		    vap->iv_ampdu_density);
3260 		if (rxmax > vap->iv_ampdu_rxmax)
3261 			rxmax = vap->iv_ampdu_rxmax;
3269 		if (vap->iv_ampdu_density > density)
3270 			density = vap->iv_ampdu_density;
3290 		rxmax = vap->iv_ampdu_rxmax;
3291 		density = vap->iv_ampdu_density;
3295 	if ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) == 0)
3297 	if ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) == 0 ||
3302 	if ((vap->iv_flags_ht & IEEE80211_FHT_STBC_RX) == 0)
3306 	if ((vap->iv_flags_ht & IEEE80211_FHT_LDPC_RX) == 0)
3334 	extcaps = vap->iv_htextcaps & 0xffff;
3361 ieee80211_add_htcap_body_ch(uint8_t *frm, struct ieee80211vap *vap,
3369 	struct ieee80211com *ic = vap->iv_ic;
3374 	caps = vap->iv_htcaps & 0xffff;
3389 	rxmax = vap->iv_ampdu_rxmax;
3390 	density = vap->iv_ampdu_density;
3393 	if ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) == 0)
3395 	if ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) == 0 ||
3423 	extcaps = vap->iv_htextcaps & 0xffff;
3438 ieee80211_add_htcap_ch(uint8_t *frm, struct ieee80211vap *vap,
3443 	return ieee80211_add_htcap_body_ch(frm + 2, vap, c);
3485 ieee80211_ht_update_beacon(struct ieee80211vap *vap,
3491 	struct ieee80211com *ic = vap->iv_ic;
3495 	ni = ieee80211_ref_node(vap->iv_bss);
3500 	if (vap->iv_flags_ht & IEEE80211_FHT_RIFS)
3538 	struct ieee80211vap *vap = ni->ni_vap;
3547 	if (vap->iv_flags_ht & IEEE80211_FHT_RIFS)
3564 	frm[1] = vap->iv_curhtprotmode;