1 // SPDX-License-Identifier: GPL-2.0-only
3  * Copyright 2002-2005, Instant802 Networks, Inc.
4  * Copyright 2005-2006, Devicescape Software, Inc.
5  * Copyright 2006-2007	Jiri Benc <[email protected]>
6  * Copyright 2007-2010	Johannes Berg <[email protected]>
7  * Copyright 2013-2014  Intel Mobile Communications GmbH
8  * Copyright(c) 2015 - 2017 Intel Deutschland GmbH
9  * Copyright (C) 2018-2025 Intel Corporation
28 #include "driver-ops.h"
53 		__pskb_trim(skb, skb->len - present_fcs_len);  in ieee80211_clean_skb()
57 	 * info in skb->data.  in ieee80211_clean_skb()
59 	status->flag &= ~(RX_FLAG_RADIOTAP_TLV_AT_END |  in ieee80211_clean_skb()
64 	hdr = (void *)skb->data;  in ieee80211_clean_skb()
65 	fc = hdr->frame_control;  in ieee80211_clean_skb()
68 	 * Remove the HT-Control field (if present) on management  in ieee80211_clean_skb()
78 	hdr->frame_control &= ~cpu_to_le16(IEEE80211_FCTL_ORDER);  in ieee80211_clean_skb()
85 	memmove(skb->data + IEEE80211_HT_CTL_LEN, skb->data,  in ieee80211_clean_skb()
86 		hdrlen - IEEE80211_HT_CTL_LEN);  in ieee80211_clean_skb()
98 	hdr = (void *)(skb->data + rtap_space);  in should_drop_frame()
100 	if (status->flag & (RX_FLAG_FAILED_FCS_CRC |  in should_drop_frame()
106 	if (unlikely(skb->len < 16 + present_fcs_len + rtap_space))  in should_drop_frame()
109 	if (ieee80211_is_ctl(hdr->frame_control) &&  in should_drop_frame()
110 	    !ieee80211_is_pspoll(hdr->frame_control) &&  in should_drop_frame()
111 	    !ieee80211_is_back_req(hdr->frame_control))  in should_drop_frame()
128 	if (status->chains)  in ieee80211_rx_radiotap_hdrlen()
129 		len += 4 * hweight8(status->chains);  in ieee80211_rx_radiotap_hdrlen()
135 	if (ieee80211_hw_check(&local->hw, SIGNAL_DBM))  in ieee80211_rx_radiotap_hdrlen()
138 	/* antenna field, if we don't have per-chain info */  in ieee80211_rx_radiotap_hdrlen()
139 	if (!status->chains)  in ieee80211_rx_radiotap_hdrlen()
145 	if (status->encoding == RX_ENC_HT) /* HT info */  in ieee80211_rx_radiotap_hdrlen()
148 	if (status->flag & RX_FLAG_AMPDU_DETAILS) {  in ieee80211_rx_radiotap_hdrlen()
153 	if (status->encoding == RX_ENC_VHT) {  in ieee80211_rx_radiotap_hdrlen()
158 	if (local->hw.radiotap_timestamp.units_pos >= 0) {  in ieee80211_rx_radiotap_hdrlen()
163 	if (status->encoding == RX_ENC_HE &&  in ieee80211_rx_radiotap_hdrlen()
164 	    status->flag & RX_FLAG_RADIOTAP_HE) {  in ieee80211_rx_radiotap_hdrlen()
170 	if (status->encoding == RX_ENC_HE &&  in ieee80211_rx_radiotap_hdrlen()
171 	    status->flag & RX_FLAG_RADIOTAP_HE_MU) {  in ieee80211_rx_radiotap_hdrlen()
177 	if (status->flag & RX_FLAG_NO_PSDU)  in ieee80211_rx_radiotap_hdrlen()
180 	if (status->flag & RX_FLAG_RADIOTAP_LSIG) {  in ieee80211_rx_radiotap_hdrlen()
186 	if (status->chains) {  in ieee80211_rx_radiotap_hdrlen()
188 		len += 2 * hweight8(status->chains);  in ieee80211_rx_radiotap_hdrlen()
191 	if (status->flag & RX_FLAG_RADIOTAP_TLV_AT_END) {  in ieee80211_rx_radiotap_hdrlen()
195 		 * The position to look at depends on the existence (or non-  in ieee80211_rx_radiotap_hdrlen()
198 		if (status->flag & RX_FLAG_RADIOTAP_HE)  in ieee80211_rx_radiotap_hdrlen()
201 		if (status->flag & RX_FLAG_RADIOTAP_HE_MU)  in ieee80211_rx_radiotap_hdrlen()
204 		if (status->flag & RX_FLAG_RADIOTAP_LSIG)  in ieee80211_rx_radiotap_hdrlen()
212 		len += skb_mac_header(skb) - &skb->data[tlv_offset];  in ieee80211_rx_radiotap_hdrlen()
226 		status->link_valid = 1;  in __ieee80211_queue_skb_to_iface()
227 		status->link_id = link_id;  in __ieee80211_queue_skb_to_iface()
229 		status->link_valid = 0;  in __ieee80211_queue_skb_to_iface()
232 	skb_queue_tail(&sdata->skb_queue, skb);  in __ieee80211_queue_skb_to_iface()
233 	wiphy_work_queue(sdata->local->hw.wiphy, &sdata->work);  in __ieee80211_queue_skb_to_iface()
235 		sta->deflink.rx_stats.packets++;  in __ieee80211_queue_skb_to_iface()
243 	skb->protocol = 0;  in ieee80211_queue_skb_to_iface()
262 	if (skb->len < rtap_space + sizeof(action) +  in ieee80211_handle_mu_mimo_mon()
266 	if (!is_valid_ether_addr(sdata->u.mntr.mu_follow_addr))  in ieee80211_handle_mu_mimo_mon()
280 	if (!ether_addr_equal(action.hdr.addr1, sdata->u.mntr.mu_follow_addr))  in ieee80211_handle_mu_mimo_mon()
287 	ieee80211_queue_skb_to_iface(sdata, -1, NULL, skb);  in ieee80211_handle_mu_mimo_mon()
291  * ieee80211_add_rx_radiotap_header - add radiotap header
303 	unsigned char *pos;  in ieee80211_add_rx_radiotap_header()  local
310 	unsigned long chains = status->chains;  in ieee80211_add_rx_radiotap_header()
315 	if (status->flag & RX_FLAG_RADIOTAP_HE) {  in ieee80211_add_rx_radiotap_header()
316 		he = *(struct ieee80211_radiotap_he *)skb->data;  in ieee80211_add_rx_radiotap_header()
318 		WARN_ON_ONCE(status->encoding != RX_ENC_HE);  in ieee80211_add_rx_radiotap_header()
321 	if (status->flag & RX_FLAG_RADIOTAP_HE_MU) {  in ieee80211_add_rx_radiotap_header()
322 		he_mu = *(struct ieee80211_radiotap_he_mu *)skb->data;  in ieee80211_add_rx_radiotap_header()
326 	if (status->flag & RX_FLAG_RADIOTAP_LSIG) {  in ieee80211_add_rx_radiotap_header()
327 		lsig = *(struct ieee80211_radiotap_lsig *)skb->data;  in ieee80211_add_rx_radiotap_header()
331 	if (status->flag & RX_FLAG_RADIOTAP_TLV_AT_END) {  in ieee80211_add_rx_radiotap_header()
333 		tlvs_len = skb_mac_header(skb) - skb->data;  in ieee80211_add_rx_radiotap_header()
336 	mpdulen = skb->len;  in ieee80211_add_rx_radiotap_header()
337 	if (!(has_fcs && ieee80211_hw_check(&local->hw, RX_INCLUDES_FCS)))  in ieee80211_add_rx_radiotap_header()
340 	rthdr = skb_push(skb, rtap_len - tlvs_len);  in ieee80211_add_rx_radiotap_header()
341 	memset(rthdr, 0, rtap_len - tlvs_len);  in ieee80211_add_rx_radiotap_header()
342 	it_present = &rthdr->it_present;  in ieee80211_add_rx_radiotap_header()
345 	rthdr->it_len = cpu_to_le16(rtap_len);  in ieee80211_add_rx_radiotap_header()
350 	if (!status->chains)  in ieee80211_add_rx_radiotap_header()
363 	if (status->flag & RX_FLAG_RADIOTAP_TLV_AT_END)  in ieee80211_add_rx_radiotap_header()
369 	 * than via it_present otherwise later uses of pos will cause  in ieee80211_add_rx_radiotap_header()
373 	pos = (void *)&rthdr->it_optional[it_present + 1 - rthdr->it_optional];  in ieee80211_add_rx_radiotap_header()
380 		while ((pos - (u8 *)rthdr) & 7)  in ieee80211_add_rx_radiotap_header()
381 			*pos++ = 0;  in ieee80211_add_rx_radiotap_header()
385 			pos);  in ieee80211_add_rx_radiotap_header()
386 		rthdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_TSFT));  in ieee80211_add_rx_radiotap_header()
387 		pos += 8;  in ieee80211_add_rx_radiotap_header()
391 	if (has_fcs && ieee80211_hw_check(&local->hw, RX_INCLUDES_FCS))  in ieee80211_add_rx_radiotap_header()
392 		*pos |= IEEE80211_RADIOTAP_F_FCS;  in ieee80211_add_rx_radiotap_header()
393 	if (status->flag & (RX_FLAG_FAILED_FCS_CRC | RX_FLAG_FAILED_PLCP_CRC))  in ieee80211_add_rx_radiotap_header()
394 		*pos |= IEEE80211_RADIOTAP_F_BADFCS;  in ieee80211_add_rx_radiotap_header()
395 	if (status->enc_flags & RX_ENC_FLAG_SHORTPRE)  in ieee80211_add_rx_radiotap_header()
396 		*pos |= IEEE80211_RADIOTAP_F_SHORTPRE;  in ieee80211_add_rx_radiotap_header()
397 	pos++;  in ieee80211_add_rx_radiotap_header()
400 	if (!rate || status->encoding != RX_ENC_LEGACY) {  in ieee80211_add_rx_radiotap_header()
407 		*pos = 0;  in ieee80211_add_rx_radiotap_header()
410 		rthdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_RATE));  in ieee80211_add_rx_radiotap_header()
411 		if (status->bw == RATE_INFO_BW_10)  in ieee80211_add_rx_radiotap_header()
413 		else if (status->bw == RATE_INFO_BW_5)  in ieee80211_add_rx_radiotap_header()
415 		*pos = DIV_ROUND_UP(rate->bitrate, 5 * (1 << shift));  in ieee80211_add_rx_radiotap_header()
417 	pos++;  in ieee80211_add_rx_radiotap_header()
421 	put_unaligned_le16(status->freq, pos);  in ieee80211_add_rx_radiotap_header()
422 	pos += 2;  in ieee80211_add_rx_radiotap_header()
423 	if (status->bw == RATE_INFO_BW_10)  in ieee80211_add_rx_radiotap_header()
425 	else if (status->bw == RATE_INFO_BW_5)  in ieee80211_add_rx_radiotap_header()
428 	if (status->band == NL80211_BAND_5GHZ ||  in ieee80211_add_rx_radiotap_header()
429 	    status->band == NL80211_BAND_6GHZ)  in ieee80211_add_rx_radiotap_header()
431 	else if (status->encoding != RX_ENC_LEGACY)  in ieee80211_add_rx_radiotap_header()
433 	else if (rate && rate->flags & IEEE80211_RATE_ERP_G)  in ieee80211_add_rx_radiotap_header()
439 	put_unaligned_le16(channel_flags, pos);  in ieee80211_add_rx_radiotap_header()
440 	pos += 2;  in ieee80211_add_rx_radiotap_header()
443 	if (ieee80211_hw_check(&local->hw, SIGNAL_DBM) &&  in ieee80211_add_rx_radiotap_header()
444 	    !(status->flag & RX_FLAG_NO_SIGNAL_VAL)) {  in ieee80211_add_rx_radiotap_header()
445 		*pos = status->signal;  in ieee80211_add_rx_radiotap_header()
446 		rthdr->it_present |=  in ieee80211_add_rx_radiotap_header()
448 		pos++;  in ieee80211_add_rx_radiotap_header()
453 	if (!status->chains) {  in ieee80211_add_rx_radiotap_header()
455 		*pos = status->antenna;  in ieee80211_add_rx_radiotap_header()
456 		pos++;  in ieee80211_add_rx_radiotap_header()
463 	if ((pos - (u8 *)rthdr) & 1)  in ieee80211_add_rx_radiotap_header()
464 		*pos++ = 0;  in ieee80211_add_rx_radiotap_header()
465 	if (status->flag & RX_FLAG_FAILED_PLCP_CRC)  in ieee80211_add_rx_radiotap_header()
467 	put_unaligned_le16(rx_flags, pos);  in ieee80211_add_rx_radiotap_header()
468 	pos += 2;  in ieee80211_add_rx_radiotap_header()
470 	if (status->encoding == RX_ENC_HT) {  in ieee80211_add_rx_radiotap_header()
473 		rthdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_MCS));  in ieee80211_add_rx_radiotap_header()
474 		*pos = local->hw.radiotap_mcs_details;  in ieee80211_add_rx_radiotap_header()
475 		if (status->enc_flags & RX_ENC_FLAG_HT_GF)  in ieee80211_add_rx_radiotap_header()
476 			*pos |= IEEE80211_RADIOTAP_MCS_HAVE_FMT;  in ieee80211_add_rx_radiotap_header()
477 		if (status->enc_flags & RX_ENC_FLAG_LDPC)  in ieee80211_add_rx_radiotap_header()
478 			*pos |= IEEE80211_RADIOTAP_MCS_HAVE_FEC;  in ieee80211_add_rx_radiotap_header()
479 		pos++;  in ieee80211_add_rx_radiotap_header()
480 		*pos = 0;  in ieee80211_add_rx_radiotap_header()
481 		if (status->enc_flags & RX_ENC_FLAG_SHORT_GI)  in ieee80211_add_rx_radiotap_header()
482 			*pos |= IEEE80211_RADIOTAP_MCS_SGI;  in ieee80211_add_rx_radiotap_header()
483 		if (status->bw == RATE_INFO_BW_40)  in ieee80211_add_rx_radiotap_header()
484 			*pos |= IEEE80211_RADIOTAP_MCS_BW_40;  in ieee80211_add_rx_radiotap_header()
485 		if (status->enc_flags & RX_ENC_FLAG_HT_GF)  in ieee80211_add_rx_radiotap_header()
486 			*pos |= IEEE80211_RADIOTAP_MCS_FMT_GF;  in ieee80211_add_rx_radiotap_header()
487 		if (status->enc_flags & RX_ENC_FLAG_LDPC)  in ieee80211_add_rx_radiotap_header()
488 			*pos |= IEEE80211_RADIOTAP_MCS_FEC_LDPC;  in ieee80211_add_rx_radiotap_header()
489 		stbc = (status->enc_flags & RX_ENC_FLAG_STBC_MASK) >> RX_ENC_FLAG_STBC_SHIFT;  in ieee80211_add_rx_radiotap_header()
490 		*pos |= stbc << IEEE80211_RADIOTAP_MCS_STBC_SHIFT;  in ieee80211_add_rx_radiotap_header()
491 		pos++;  in ieee80211_add_rx_radiotap_header()
492 		*pos++ = status->rate_idx;  in ieee80211_add_rx_radiotap_header()
495 	if (status->flag & RX_FLAG_AMPDU_DETAILS) {  in ieee80211_add_rx_radiotap_header()
499 		while ((pos - (u8 *)rthdr) & 3)  in ieee80211_add_rx_radiotap_header()
500 			pos++;  in ieee80211_add_rx_radiotap_header()
501 		rthdr->it_present |=  in ieee80211_add_rx_radiotap_header()
503 		put_unaligned_le32(status->ampdu_reference, pos);  in ieee80211_add_rx_radiotap_header()
504 		pos += 4;  in ieee80211_add_rx_radiotap_header()
505 		if (status->flag & RX_FLAG_AMPDU_LAST_KNOWN)  in ieee80211_add_rx_radiotap_header()
507 		if (status->flag & RX_FLAG_AMPDU_IS_LAST)  in ieee80211_add_rx_radiotap_header()
509 		if (status->flag & RX_FLAG_AMPDU_DELIM_CRC_ERROR)  in ieee80211_add_rx_radiotap_header()
511 		if (status->flag & RX_FLAG_AMPDU_EOF_BIT_KNOWN)  in ieee80211_add_rx_radiotap_header()
513 		if (status->flag & RX_FLAG_AMPDU_EOF_BIT)  in ieee80211_add_rx_radiotap_header()
515 		put_unaligned_le16(flags, pos);  in ieee80211_add_rx_radiotap_header()
516 		pos += 2;  in ieee80211_add_rx_radiotap_header()
517 		*pos++ = 0;  in ieee80211_add_rx_radiotap_header()
518 		*pos++ = 0;  in ieee80211_add_rx_radiotap_header()
521 	if (status->encoding == RX_ENC_VHT) {  in ieee80211_add_rx_radiotap_header()
522 		u16 known = local->hw.radiotap_vht_details;  in ieee80211_add_rx_radiotap_header()
524 		rthdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_VHT));  in ieee80211_add_rx_radiotap_header()
525 		put_unaligned_le16(known, pos);  in ieee80211_add_rx_radiotap_header()
526 		pos += 2;  in ieee80211_add_rx_radiotap_header()
528 		if (status->enc_flags & RX_ENC_FLAG_SHORT_GI)  in ieee80211_add_rx_radiotap_header()
529 			*pos |= IEEE80211_RADIOTAP_VHT_FLAG_SGI;  in ieee80211_add_rx_radiotap_header()
531 		if (status->enc_flags & RX_ENC_FLAG_STBC_MASK)  in ieee80211_add_rx_radiotap_header()
532 			*pos |= IEEE80211_RADIOTAP_VHT_FLAG_STBC;  in ieee80211_add_rx_radiotap_header()
533 		if (status->enc_flags & RX_ENC_FLAG_BF)  in ieee80211_add_rx_radiotap_header()
534 			*pos |= IEEE80211_RADIOTAP_VHT_FLAG_BEAMFORMED;  in ieee80211_add_rx_radiotap_header()
535 		pos++;  in ieee80211_add_rx_radiotap_header()
537 		switch (status->bw) {  in ieee80211_add_rx_radiotap_header()
539 			*pos++ = 4;  in ieee80211_add_rx_radiotap_header()
542 			*pos++ = 11;  in ieee80211_add_rx_radiotap_header()
545 			*pos++ = 1;  in ieee80211_add_rx_radiotap_header()
548 			*pos++ = 0;  in ieee80211_add_rx_radiotap_header()
551 		*pos = (status->rate_idx << 4) | status->nss;  in ieee80211_add_rx_radiotap_header()
552 		pos += 4;  in ieee80211_add_rx_radiotap_header()
554 		if (status->enc_flags & RX_ENC_FLAG_LDPC)  in ieee80211_add_rx_radiotap_header()
555 			*pos |= IEEE80211_RADIOTAP_CODING_LDPC_USER0;  in ieee80211_add_rx_radiotap_header()
556 		pos++;  in ieee80211_add_rx_radiotap_header()
558 		pos++;  in ieee80211_add_rx_radiotap_header()
560 		pos += 2;  in ieee80211_add_rx_radiotap_header()
563 	if (local->hw.radiotap_timestamp.units_pos >= 0) {  in ieee80211_add_rx_radiotap_header()
568 		rthdr->it_present |=  in ieee80211_add_rx_radiotap_header()
572 		while ((pos - (u8 *)rthdr) & 7)  in ieee80211_add_rx_radiotap_header()
573 			pos++;  in ieee80211_add_rx_radiotap_header()
575 		if (status->flag & RX_FLAG_MACTIME_IS_RTAP_TS64) {  in ieee80211_add_rx_radiotap_header()
577 			ts = status->mactime;  in ieee80211_add_rx_radiotap_header()
580 			ts = status->device_timestamp;  in ieee80211_add_rx_radiotap_header()
583 		put_unaligned_le64(ts, pos);  in ieee80211_add_rx_radiotap_header()
584 		pos += sizeof(u64);  in ieee80211_add_rx_radiotap_header()
586 		if (local->hw.radiotap_timestamp.accuracy >= 0) {  in ieee80211_add_rx_radiotap_header()
587 			accuracy = local->hw.radiotap_timestamp.accuracy;  in ieee80211_add_rx_radiotap_header()
590 		put_unaligned_le16(accuracy, pos);  in ieee80211_add_rx_radiotap_header()
591 		pos += sizeof(u16);  in ieee80211_add_rx_radiotap_header()
593 		*pos++ = local->hw.radiotap_timestamp.units_pos;  in ieee80211_add_rx_radiotap_header()
594 		*pos++ = flags;  in ieee80211_add_rx_radiotap_header()
597 	if (status->encoding == RX_ENC_HE &&  in ieee80211_add_rx_radiotap_header()
598 	    status->flag & RX_FLAG_RADIOTAP_HE) {  in ieee80211_add_rx_radiotap_header()
601 		if (status->enc_flags & RX_ENC_FLAG_STBC_MASK) {  in ieee80211_add_rx_radiotap_header()
604 						      status->enc_flags));  in ieee80211_add_rx_radiotap_header()
607 			he.data6 |= HE_PREP(DATA6_NSTS, status->nss);  in ieee80211_add_rx_radiotap_header()
618 		he.data3 |= HE_PREP(DATA3_DATA_MCS, status->rate_idx);  in ieee80211_add_rx_radiotap_header()
619 		he.data3 |= HE_PREP(DATA3_DATA_DCM, status->he_dcm);  in ieee80211_add_rx_radiotap_header()
621 				    !!(status->enc_flags & RX_ENC_FLAG_LDPC));  in ieee80211_add_rx_radiotap_header()
623 		he.data5 |= HE_PREP(DATA5_GI, status->he_gi);  in ieee80211_add_rx_radiotap_header()
625 		switch (status->bw) {  in ieee80211_add_rx_radiotap_header()
656 					    status->he_ru + 4);  in ieee80211_add_rx_radiotap_header()
659 			WARN_ONCE(1, "Invalid SU BW %d\n", status->bw);  in ieee80211_add_rx_radiotap_header()
663 		while ((pos - (u8 *)rthdr) & 1)  in ieee80211_add_rx_radiotap_header()
664 			pos++;  in ieee80211_add_rx_radiotap_header()
665 		rthdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_HE));  in ieee80211_add_rx_radiotap_header()
666 		memcpy(pos, &he, sizeof(he));  in ieee80211_add_rx_radiotap_header()
667 		pos += sizeof(he);  in ieee80211_add_rx_radiotap_header()
670 	if (status->encoding == RX_ENC_HE &&  in ieee80211_add_rx_radiotap_header()
671 	    status->flag & RX_FLAG_RADIOTAP_HE_MU) {  in ieee80211_add_rx_radiotap_header()
673 		while ((pos - (u8 *)rthdr) & 1)  in ieee80211_add_rx_radiotap_header()
674 			pos++;  in ieee80211_add_rx_radiotap_header()
675 		rthdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_HE_MU));  in ieee80211_add_rx_radiotap_header()
676 		memcpy(pos, &he_mu, sizeof(he_mu));  in ieee80211_add_rx_radiotap_header()
677 		pos += sizeof(he_mu);  in ieee80211_add_rx_radiotap_header()
680 	if (status->flag & RX_FLAG_NO_PSDU) {  in ieee80211_add_rx_radiotap_header()
681 		rthdr->it_present |=  in ieee80211_add_rx_radiotap_header()
683 		*pos++ = status->zero_length_psdu_type;  in ieee80211_add_rx_radiotap_header()
686 	if (status->flag & RX_FLAG_RADIOTAP_LSIG) {  in ieee80211_add_rx_radiotap_header()
688 		while ((pos - (u8 *)rthdr) & 1)  in ieee80211_add_rx_radiotap_header()
689 			pos++;  in ieee80211_add_rx_radiotap_header()
690 		rthdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_LSIG));  in ieee80211_add_rx_radiotap_header()
691 		memcpy(pos, &lsig, sizeof(lsig));  in ieee80211_add_rx_radiotap_header()
692 		pos += sizeof(lsig);  in ieee80211_add_rx_radiotap_header()
696 		*pos++ = status->chain_signal[chain];  in ieee80211_add_rx_radiotap_header()
697 		*pos++ = chain;  in ieee80211_add_rx_radiotap_header()
713 	needed_headroom = rt_hdrlen - rtap_space;  in ieee80211_make_monitor_skb()
748 	skb->ip_summed = CHECKSUM_UNNECESSARY;  in ieee80211_make_monitor_skb()
749 	skb->pkt_type = PACKET_OTHERHOST;  in ieee80211_make_monitor_skb()
750 	skb->protocol = htons(ETH_P_802_2);  in ieee80211_make_monitor_skb()
757  * returns a cleaned-up SKB that no longer includes the FCS nor the
770 		rcu_dereference(local->monitor_sdata);  in ieee80211_rx_monitor()
774 	if (WARN_ON_ONCE(status->flag & RX_FLAG_RADIOTAP_TLV_AT_END &&  in ieee80211_rx_monitor()
781 	if (status->flag & RX_FLAG_RADIOTAP_HE)  in ieee80211_rx_monitor()
784 	if (status->flag & RX_FLAG_RADIOTAP_HE_MU)  in ieee80211_rx_monitor()
787 	if (status->flag & RX_FLAG_RADIOTAP_LSIG)  in ieee80211_rx_monitor()
790 	if (status->flag & RX_FLAG_RADIOTAP_TLV_AT_END)  in ieee80211_rx_monitor()
791 		rtap_space += skb_mac_header(origskb) - &origskb->data[rtap_space];  in ieee80211_rx_monitor()
804 	if (!(status->flag & RX_FLAG_NO_PSDU)) {  in ieee80211_rx_monitor()
805 		if (ieee80211_hw_check(&local->hw, RX_INCLUDES_FCS)) {  in ieee80211_rx_monitor()
806 			if (unlikely(origskb->len <= FCS_LEN + rtap_space)) {  in ieee80211_rx_monitor()
815 		/* also consider the hdr->frame_control */  in ieee80211_rx_monitor()
827 	if (!local->monitors || (status->flag & RX_FLAG_SKIP_MONITOR)) {  in ieee80211_rx_monitor()
839 	list_for_each_entry_rcu(sdata, &local->mon_list, u.mntr.list) {  in ieee80211_rx_monitor()
842 		chandef = &sdata->vif.bss_conf.chanreq.oper;  in ieee80211_rx_monitor()
843 		if (chandef->chan &&  in ieee80211_rx_monitor()
844 		    chandef->chan->center_freq != status->freq)  in ieee80211_rx_monitor()
852 		if (ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR))  in ieee80211_rx_monitor()
866 		skb->dev = prev_sdata->dev;  in ieee80211_rx_monitor()
867 		dev_sw_netstats_rx_add(skb->dev, skb->len);  in ieee80211_rx_monitor()
880 			skb->dev = prev_sdata->dev;  in ieee80211_rx_monitor()
881 			dev_sw_netstats_rx_add(skb->dev, skb->len);  in ieee80211_rx_monitor()
894 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_parse_qos()
895 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_parse_qos()
899 	if (ieee80211_is_data_qos(hdr->frame_control)) {  in ieee80211_parse_qos()
904 			status->rx_flags |= IEEE80211_RX_AMSDU;  in ieee80211_parse_qos()
910 		 * IEEE 802.11-2007, 7.1.3.4.1 ("Sequence Number field"):  in ieee80211_parse_qos()
914 		 *	Address 1 field, and all non-QoS data frames sent  in ieee80211_parse_qos()
916 		 *	modulo-4096 counter, [...]  in ieee80211_parse_qos()
918 		 * We also use that counter for non-QoS STAs.  in ieee80211_parse_qos()
922 		if (ieee80211_is_mgmt(hdr->frame_control))  in ieee80211_parse_qos()
927 	rx->seqno_idx = seqno_idx;  in ieee80211_parse_qos()
928 	rx->security_idx = security_idx;  in ieee80211_parse_qos()
929 	/* Set skb->priority to 1d tag if highest order bit of TID is not set.  in ieee80211_parse_qos()
930 	 * For now, set skb->priority to 0 for other cases. */  in ieee80211_parse_qos()
931 	rx->skb->priority = (tid > 7) ? 0 : tid;  in ieee80211_parse_qos()
937  * Drivers always need to pass packets that are aligned to two-byte boundaries
941  * guarantees that the contained IP header is aligned to a four-byte
943  * payload to a four-byte boundary (because either the IP header is directly
949  * With A-MSDU frames, however, the payload data address must yield two modulo
950  * four because there are 14-byte 802.3 headers within the A-MSDU frames that
952  * specs were sane enough this time around to require padding each A-MSDU
962 	WARN_ON_ONCE((unsigned long)rx->skb->data & 1);  in ieee80211_verify_alignment()
971 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;  in ieee80211_is_unicast_robust_mgmt_frame()
973 	if (is_multicast_ether_addr(hdr->addr1))  in ieee80211_is_unicast_robust_mgmt_frame()
982 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;  in ieee80211_is_multicast_robust_mgmt_frame()
984 	if (!is_multicast_ether_addr(hdr->addr1))  in ieee80211_is_multicast_robust_mgmt_frame()
991 /* Get the BIP key index from MMIE; return -1 if this is not a BIP frame */
994 	struct ieee80211_mgmt *hdr = (struct ieee80211_mgmt *) skb->data;  in ieee80211_get_mmie_keyidx()
998 	if (skb->len < 24 + sizeof(*mmie) || !is_multicast_ether_addr(hdr->da))  in ieee80211_get_mmie_keyidx()
999 		return -1;  in ieee80211_get_mmie_keyidx()
1002 	    !ieee80211_is_beacon(hdr->frame_control))  in ieee80211_get_mmie_keyidx()
1003 		return -1; /* not a robust management frame */  in ieee80211_get_mmie_keyidx()
1006 		(skb->data + skb->len - sizeof(*mmie));  in ieee80211_get_mmie_keyidx()
1007 	if (mmie->element_id == WLAN_EID_MMIE &&  in ieee80211_get_mmie_keyidx()
1008 	    mmie->length == sizeof(*mmie) - 2)  in ieee80211_get_mmie_keyidx()
1009 		return le16_to_cpu(mmie->key_id);  in ieee80211_get_mmie_keyidx()
1012 		(skb->data + skb->len - sizeof(*mmie16));  in ieee80211_get_mmie_keyidx()
1013 	if (skb->len >= 24 + sizeof(*mmie16) &&  in ieee80211_get_mmie_keyidx()
1014 	    mmie16->element_id == WLAN_EID_MMIE &&  in ieee80211_get_mmie_keyidx()
1015 	    mmie16->length == sizeof(*mmie16) - 2)  in ieee80211_get_mmie_keyidx()
1016 		return le16_to_cpu(mmie16->key_id);  in ieee80211_get_mmie_keyidx()
1018 	return -1;  in ieee80211_get_mmie_keyidx()
1023 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;  in ieee80211_get_keyid()
1024 	__le16 fc = hdr->frame_control;  in ieee80211_get_keyid()
1029 	if (unlikely(skb->len < hdrlen + IEEE80211_WEP_IV_LEN))  in ieee80211_get_keyid()
1030 		return -EINVAL;  in ieee80211_get_keyid()
1041 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_rx_mesh_check()
1042 	char *dev_addr = rx->sdata->vif.addr;  in ieee80211_rx_mesh_check()
1044 	if (ieee80211_is_data(hdr->frame_control)) {  in ieee80211_rx_mesh_check()
1045 		if (is_multicast_ether_addr(hdr->addr1)) {  in ieee80211_rx_mesh_check()
1046 			if (ieee80211_has_tods(hdr->frame_control) ||  in ieee80211_rx_mesh_check()
1047 			    !ieee80211_has_fromds(hdr->frame_control))  in ieee80211_rx_mesh_check()
1049 			if (ether_addr_equal(hdr->addr3, dev_addr))  in ieee80211_rx_mesh_check()
1052 			if (!ieee80211_has_a4(hdr->frame_control))  in ieee80211_rx_mesh_check()
1054 			if (ether_addr_equal(hdr->addr4, dev_addr))  in ieee80211_rx_mesh_check()
1063 	if (!rx->sta || sta_plink_state(rx->sta) != NL80211_PLINK_ESTAB) {  in ieee80211_rx_mesh_check()
1066 		if (!ieee80211_is_mgmt(hdr->frame_control))  in ieee80211_rx_mesh_check()
1069 		if (ieee80211_is_action(hdr->frame_control)) {  in ieee80211_rx_mesh_check()
1073 			if (rx->skb->len < IEEE80211_MIN_ACTION_SIZE)  in ieee80211_rx_mesh_check()
1077 			category = mgmt->u.action.category;  in ieee80211_rx_mesh_check()
1084 		if (ieee80211_is_probe_req(hdr->frame_control) ||  in ieee80211_rx_mesh_check()
1085 		    ieee80211_is_probe_resp(hdr->frame_control) ||  in ieee80211_rx_mesh_check()
1086 		    ieee80211_is_beacon(hdr->frame_control) ||  in ieee80211_rx_mesh_check()
1087 		    ieee80211_is_auth(hdr->frame_control))  in ieee80211_rx_mesh_check()
1099 	struct sk_buff_head *frames = &tid_agg_rx->reorder_buf[index];  in ieee80211_rx_reorder_ready()
1103 	if (tid_agg_rx->reorder_buf_filtered &&  in ieee80211_rx_reorder_ready()
1104 	    tid_agg_rx->reorder_buf_filtered & BIT_ULL(index))  in ieee80211_rx_reorder_ready()
1111 	if (status->flag & RX_FLAG_AMSDU_MORE)  in ieee80211_rx_reorder_ready()
1122 	struct sk_buff_head *skb_list = &tid_agg_rx->reorder_buf[index];  in ieee80211_release_reorder_frame()
1126 	lockdep_assert_held(&tid_agg_rx->reorder_lock);  in ieee80211_release_reorder_frame()
1137 	tid_agg_rx->stored_mpdu_num--;  in ieee80211_release_reorder_frame()
1140 		status->rx_flags |= IEEE80211_RX_DEFERRED_RELEASE;  in ieee80211_release_reorder_frame()
1145 	if (tid_agg_rx->reorder_buf_filtered)  in ieee80211_release_reorder_frame()
1146 		tid_agg_rx->reorder_buf_filtered &= ~BIT_ULL(index);  in ieee80211_release_reorder_frame()
1147 	tid_agg_rx->head_seq_num = ieee80211_sn_inc(tid_agg_rx->head_seq_num);  in ieee80211_release_reorder_frame()
1157 	lockdep_assert_held(&tid_agg_rx->reorder_lock);  in ieee80211_release_reorder_frames()
1159 	while (ieee80211_sn_less(tid_agg_rx->head_seq_num, head_seq_num)) {  in ieee80211_release_reorder_frames()
1160 		index = tid_agg_rx->head_seq_num % tid_agg_rx->buf_size;  in ieee80211_release_reorder_frames()
1173  * Callers must hold tid_agg_rx->reorder_lock.
1183 	lockdep_assert_held(&tid_agg_rx->reorder_lock);  in ieee80211_sta_reorder_release()
1186 	index = tid_agg_rx->head_seq_num % tid_agg_rx->buf_size;  in ieee80211_sta_reorder_release()
1188 	    tid_agg_rx->stored_mpdu_num) {  in ieee80211_sta_reorder_release()
1194 		for (j = (index + 1) % tid_agg_rx->buf_size; j != index;  in ieee80211_sta_reorder_release()
1195 		     j = (j + 1) % tid_agg_rx->buf_size) {  in ieee80211_sta_reorder_release()
1201 			    !time_after(jiffies, tid_agg_rx->reorder_time[j] +  in ieee80211_sta_reorder_release()
1205 			/* don't leave incomplete A-MSDUs around */  in ieee80211_sta_reorder_release()
1206 			for (i = (index + 1) % tid_agg_rx->buf_size; i != j;  in ieee80211_sta_reorder_release()
1207 			     i = (i + 1) % tid_agg_rx->buf_size)  in ieee80211_sta_reorder_release()
1208 				__skb_queue_purge(&tid_agg_rx->reorder_buf[i]);  in ieee80211_sta_reorder_release()
1218 			tid_agg_rx->head_seq_num =  in ieee80211_sta_reorder_release()
1219 				(tid_agg_rx->head_seq_num +  in ieee80211_sta_reorder_release()
1226 		index =	tid_agg_rx->head_seq_num % tid_agg_rx->buf_size;  in ieee80211_sta_reorder_release()
1229 	if (tid_agg_rx->stored_mpdu_num) {  in ieee80211_sta_reorder_release()
1230 		j = index = tid_agg_rx->head_seq_num % tid_agg_rx->buf_size;  in ieee80211_sta_reorder_release()
1232 		for (; j != (index - 1) % tid_agg_rx->buf_size;  in ieee80211_sta_reorder_release()
1233 		     j = (j + 1) % tid_agg_rx->buf_size) {  in ieee80211_sta_reorder_release()
1240 		if (!tid_agg_rx->removed)  in ieee80211_sta_reorder_release()
1241 			mod_timer(&tid_agg_rx->reorder_timer,  in ieee80211_sta_reorder_release()
1242 				  tid_agg_rx->reorder_time[j] + 1 +  in ieee80211_sta_reorder_release()
1245 		del_timer(&tid_agg_rx->reorder_timer);  in ieee80211_sta_reorder_release()
1259 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;  in ieee80211_sta_manage_reorder_buf()
1266 	spin_lock(&tid_agg_rx->reorder_lock);  in ieee80211_sta_manage_reorder_buf()
1272 	if (unlikely(tid_agg_rx->auto_seq)) {  in ieee80211_sta_manage_reorder_buf()
1273 		tid_agg_rx->auto_seq = false;  in ieee80211_sta_manage_reorder_buf()
1274 		tid_agg_rx->ssn = mpdu_seq_num;  in ieee80211_sta_manage_reorder_buf()
1275 		tid_agg_rx->head_seq_num = mpdu_seq_num;  in ieee80211_sta_manage_reorder_buf()
1278 	buf_size = tid_agg_rx->buf_size;  in ieee80211_sta_manage_reorder_buf()
1279 	head_seq_num = tid_agg_rx->head_seq_num;  in ieee80211_sta_manage_reorder_buf()
1285 	if (unlikely(!tid_agg_rx->started)) {  in ieee80211_sta_manage_reorder_buf()
1290 		tid_agg_rx->started = true;  in ieee80211_sta_manage_reorder_buf()
1313 	index = mpdu_seq_num % tid_agg_rx->buf_size;  in ieee80211_sta_manage_reorder_buf()
1327 	if (mpdu_seq_num == tid_agg_rx->head_seq_num &&  in ieee80211_sta_manage_reorder_buf()
1328 	    tid_agg_rx->stored_mpdu_num == 0) {  in ieee80211_sta_manage_reorder_buf()
1329 		if (!(status->flag & RX_FLAG_AMSDU_MORE))  in ieee80211_sta_manage_reorder_buf()
1330 			tid_agg_rx->head_seq_num =  in ieee80211_sta_manage_reorder_buf()
1331 				ieee80211_sn_inc(tid_agg_rx->head_seq_num);  in ieee80211_sta_manage_reorder_buf()
1337 	__skb_queue_tail(&tid_agg_rx->reorder_buf[index], skb);  in ieee80211_sta_manage_reorder_buf()
1338 	if (!(status->flag & RX_FLAG_AMSDU_MORE)) {  in ieee80211_sta_manage_reorder_buf()
1339 		tid_agg_rx->reorder_time[index] = jiffies;  in ieee80211_sta_manage_reorder_buf()
1340 		tid_agg_rx->stored_mpdu_num++;  in ieee80211_sta_manage_reorder_buf()
1345 	spin_unlock(&tid_agg_rx->reorder_lock);  in ieee80211_sta_manage_reorder_buf()
1350  * Reorder MPDUs from A-MPDUs, keeping them on a buffer. Returns
1356 	struct sk_buff *skb = rx->skb;  in ieee80211_rx_reorder_ampdu()
1357 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;  in ieee80211_rx_reorder_ampdu()
1358 	struct sta_info *sta = rx->sta;  in ieee80211_rx_reorder_ampdu()
1363 	if (!ieee80211_is_data_qos(hdr->frame_control) ||  in ieee80211_rx_reorder_ampdu()
1364 	    is_multicast_ether_addr(hdr->addr1))  in ieee80211_rx_reorder_ampdu()
1379 	tid_agg_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[tid]);  in ieee80211_rx_reorder_ampdu()
1382 		    !test_bit(tid, rx->sta->ampdu_mlme.agg_session_valid) &&  in ieee80211_rx_reorder_ampdu()
1383 		    !test_and_set_bit(tid, rx->sta->ampdu_mlme.unexpected_agg))  in ieee80211_rx_reorder_ampdu()
1384 			ieee80211_send_delba(rx->sdata, rx->sta->sta.addr, tid,  in ieee80211_rx_reorder_ampdu()
1391 	if (unlikely(hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_NULLFUNC)))  in ieee80211_rx_reorder_ampdu()
1398 	/* new, potentially un-ordered, ampdu frame - process it */  in ieee80211_rx_reorder_ampdu()
1401 	if (tid_agg_rx->timeout)  in ieee80211_rx_reorder_ampdu()
1402 		tid_agg_rx->last_rx = jiffies;  in ieee80211_rx_reorder_ampdu()
1404 	/* if this mpdu is fragmented - terminate rx aggregation session */  in ieee80211_rx_reorder_ampdu()
1405 	sc = le16_to_cpu(hdr->seq_ctrl);  in ieee80211_rx_reorder_ampdu()
1407 		ieee80211_queue_skb_to_iface(rx->sdata, rx->link_id, NULL, skb);  in ieee80211_rx_reorder_ampdu()
1412 	 * No locking needed -- we will only ever process one  in ieee80211_rx_reorder_ampdu()
1418 	if (ieee80211_sta_manage_reorder_buf(rx->sdata, tid_agg_rx, skb,  in ieee80211_rx_reorder_ampdu()
1429 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_rx_h_check_dup()
1430 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_h_check_dup()
1432 	if (status->flag & RX_FLAG_DUP_VALIDATED)  in ieee80211_rx_h_check_dup()
1437 	 * (IEEE 802.11-2012: 9.3.2.10 "Duplicate detection and recovery")  in ieee80211_rx_h_check_dup()
1440 	if (rx->skb->len < 24)  in ieee80211_rx_h_check_dup()
1443 	if (ieee80211_is_ctl(hdr->frame_control) ||  in ieee80211_rx_h_check_dup()
1444 	    ieee80211_is_any_nullfunc(hdr->frame_control))  in ieee80211_rx_h_check_dup()
1447 	if (!rx->sta)  in ieee80211_rx_h_check_dup()
1450 	if (unlikely(is_multicast_ether_addr(hdr->addr1))) {  in ieee80211_rx_h_check_dup()
1451 		struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_check_dup()
1454 		if (!ieee80211_is_data_present(hdr->frame_control))  in ieee80211_rx_h_check_dup()
1457 		if (!ieee80211_vif_is_mld(&sdata->vif) ||  in ieee80211_rx_h_check_dup()
1458 		    sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_check_dup()
1461 		if (sdata->u.mgd.mcast_seq_last != IEEE80211_SN_MODULO &&  in ieee80211_rx_h_check_dup()
1462 		    ieee80211_sn_less_eq(sn, sdata->u.mgd.mcast_seq_last))  in ieee80211_rx_h_check_dup()
1465 		sdata->u.mgd.mcast_seq_last = sn;  in ieee80211_rx_h_check_dup()
1469 	if (unlikely(ieee80211_has_retry(hdr->frame_control) &&  in ieee80211_rx_h_check_dup()
1470 		     rx->sta->last_seq_ctrl[rx->seqno_idx] == hdr->seq_ctrl)) {  in ieee80211_rx_h_check_dup()
1471 		I802_DEBUG_INC(rx->local->dot11FrameDuplicateCount);  in ieee80211_rx_h_check_dup()
1472 		rx->link_sta->rx_stats.num_duplicates++;  in ieee80211_rx_h_check_dup()
1474 	} else if (!(status->flag & RX_FLAG_AMSDU_MORE)) {  in ieee80211_rx_h_check_dup()
1475 		rx->sta->last_seq_ctrl[rx->seqno_idx] = hdr->seq_ctrl;  in ieee80211_rx_h_check_dup()
1484 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_rx_h_check()
1495 	if (ieee80211_vif_is_mesh(&rx->sdata->vif))  in ieee80211_rx_h_check()
1498 	if (unlikely((ieee80211_is_data(hdr->frame_control) ||  in ieee80211_rx_h_check()
1499 		      ieee80211_is_pspoll(hdr->frame_control)) &&  in ieee80211_rx_h_check()
1500 		     rx->sdata->vif.type != NL80211_IFTYPE_ADHOC &&  in ieee80211_rx_h_check()
1501 		     rx->sdata->vif.type != NL80211_IFTYPE_OCB &&  in ieee80211_rx_h_check()
1502 		     (!rx->sta || !test_sta_flag(rx->sta, WLAN_STA_ASSOC)))) {  in ieee80211_rx_h_check()
1508 		if (rx->sta && rx->sdata->vif.type == NL80211_IFTYPE_STATION &&  in ieee80211_rx_h_check()
1509 		    ieee80211_is_data_present(hdr->frame_control)) {  in ieee80211_rx_h_check()
1513 			hdrlen = ieee80211_hdrlen(hdr->frame_control);  in ieee80211_rx_h_check()
1515 			if (rx->skb->len < hdrlen + 8)  in ieee80211_rx_h_check()
1518 			skb_copy_bits(rx->skb, hdrlen + 6, &ethertype, 2);  in ieee80211_rx_h_check()
1519 			if (ethertype == rx->sdata->control_port_protocol)  in ieee80211_rx_h_check()
1523 		if (rx->sdata->vif.type == NL80211_IFTYPE_AP &&  in ieee80211_rx_h_check()
1524 		    cfg80211_rx_spurious_frame(rx->sdata->dev,  in ieee80211_rx_h_check()
1525 					       hdr->addr2,  in ieee80211_rx_h_check()
1543 	local = rx->local;  in ieee80211_rx_h_check_more_data()
1544 	skb = rx->skb;  in ieee80211_rx_h_check_more_data()
1545 	hdr = (struct ieee80211_hdr *) skb->data;  in ieee80211_rx_h_check_more_data()
1547 	if (!local->pspolling)  in ieee80211_rx_h_check_more_data()
1550 	if (!ieee80211_has_fromds(hdr->frame_control))  in ieee80211_rx_h_check_more_data()
1554 	if (!ieee80211_is_data(hdr->frame_control))  in ieee80211_rx_h_check_more_data()
1557 	if (!ieee80211_has_moredata(hdr->frame_control)) {  in ieee80211_rx_h_check_more_data()
1559 		local->pspolling = false;  in ieee80211_rx_h_check_more_data()
1564 	ieee80211_send_pspoll(local, rx->sdata);  in ieee80211_rx_h_check_more_data()
1571 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in sta_ps_start()
1572 	struct ieee80211_local *local = sdata->local;  in sta_ps_start()
1576 	if (sta->sdata->vif.type == NL80211_IFTYPE_AP ||  in sta_ps_start()
1577 	    sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN)  in sta_ps_start()
1578 		ps = &sdata->bss->ps;  in sta_ps_start()
1582 	atomic_inc(&ps->num_sta_ps);  in sta_ps_start()
1584 	if (!ieee80211_hw_check(&local->hw, AP_LINK_PS))  in sta_ps_start()
1585 		drv_sta_notify(local, sdata, STA_NOTIFY_SLEEP, &sta->sta);  in sta_ps_start()
1587 	       sta->sta.addr, sta->sta.aid);  in sta_ps_start()
1592 		struct ieee80211_txq *txq = sta->sta.txq[tid];  in sta_ps_start()
1595 		spin_lock(&local->active_txq_lock[txq->ac]);  in sta_ps_start()
1596 		if (!list_empty(&txqi->schedule_order))  in sta_ps_start()
1597 			list_del_init(&txqi->schedule_order);  in sta_ps_start()
1598 		spin_unlock(&local->active_txq_lock[txq->ac]);  in sta_ps_start()
1601 			set_bit(tid, &sta->txq_buffered_tids);  in sta_ps_start()
1603 			clear_bit(tid, &sta->txq_buffered_tids);  in sta_ps_start()
1609 	ps_dbg(sta->sdata, "STA %pM aid %d exits power save mode\n",  in sta_ps_end()
1610 	       sta->sta.addr, sta->sta.aid);  in sta_ps_end()
1620 		ps_dbg(sta->sdata, "STA %pM aid %d driver-ps-blocked\n",  in sta_ps_end()
1621 		       sta->sta.addr, sta->sta.aid);  in sta_ps_end()
1635 	WARN_ON(!ieee80211_hw_check(&sta->local->hw, AP_LINK_PS));  in ieee80211_sta_ps_transition()
1640 		return -EINVAL;  in ieee80211_sta_ps_transition()
1671 	 * If this AC is not trigger-enabled do nothing unless the  in ieee80211_sta_uapsd_trigger()
1674 	 * NB: This could/should check a separate bitmap of trigger-  in ieee80211_sta_uapsd_trigger()
1678 	if (!(sta->sta.uapsd_queues & ieee80211_ac_to_qos_mask[ac]) &&  in ieee80211_sta_uapsd_trigger()
1696 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_uapsd_and_pspoll()
1697 	struct ieee80211_hdr *hdr = (void *)rx->skb->data;  in ieee80211_rx_h_uapsd_and_pspoll()
1698 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_h_uapsd_and_pspoll()
1700 	if (!rx->sta)  in ieee80211_rx_h_uapsd_and_pspoll()
1703 	if (sdata->vif.type != NL80211_IFTYPE_AP &&  in ieee80211_rx_h_uapsd_and_pspoll()
1704 	    sdata->vif.type != NL80211_IFTYPE_AP_VLAN)  in ieee80211_rx_h_uapsd_and_pspoll()
1709 	 * uAPSD and PS-Poll frames (the latter shouldn't even come up from  in ieee80211_rx_h_uapsd_and_pspoll()
1712 	if (ieee80211_hw_check(&sdata->local->hw, AP_LINK_PS))  in ieee80211_rx_h_uapsd_and_pspoll()
1718 	 * in the PS-Poll case the station must be confused ...  in ieee80211_rx_h_uapsd_and_pspoll()
1720 	if (!test_sta_flag(rx->sta, WLAN_STA_PS_STA))  in ieee80211_rx_h_uapsd_and_pspoll()
1723 	if (unlikely(ieee80211_is_pspoll(hdr->frame_control))) {  in ieee80211_rx_h_uapsd_and_pspoll()
1724 		ieee80211_sta_pspoll(&rx->sta->sta);  in ieee80211_rx_h_uapsd_and_pspoll()
1728 		dev_kfree_skb(rx->skb);  in ieee80211_rx_h_uapsd_and_pspoll()
1731 	} else if (!ieee80211_has_morefrags(hdr->frame_control) &&  in ieee80211_rx_h_uapsd_and_pspoll()
1732 		   !(status->rx_flags & IEEE80211_RX_DEFERRED_RELEASE) &&  in ieee80211_rx_h_uapsd_and_pspoll()
1733 		   ieee80211_has_pm(hdr->frame_control) &&  in ieee80211_rx_h_uapsd_and_pspoll()
1734 		   (ieee80211_is_data_qos(hdr->frame_control) ||  in ieee80211_rx_h_uapsd_and_pspoll()
1735 		    ieee80211_is_qos_nullfunc(hdr->frame_control))) {  in ieee80211_rx_h_uapsd_and_pspoll()
1738 		ieee80211_sta_uapsd_trigger(&rx->sta->sta, tid);  in ieee80211_rx_h_uapsd_and_pspoll()
1747 	struct sta_info *sta = rx->sta;  in ieee80211_rx_h_sta_process()
1748 	struct link_sta_info *link_sta = rx->link_sta;  in ieee80211_rx_h_sta_process()
1749 	struct sk_buff *skb = rx->skb;  in ieee80211_rx_h_sta_process()
1751 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;  in ieee80211_rx_h_sta_process()
1765 	if (rx->sdata->vif.type == NL80211_IFTYPE_ADHOC) {  in ieee80211_rx_h_sta_process()
1766 		u8 *bssid = ieee80211_get_bssid(hdr, rx->skb->len,  in ieee80211_rx_h_sta_process()
1768 		if (ether_addr_equal(bssid, rx->sdata->u.ibss.bssid) &&  in ieee80211_rx_h_sta_process()
1770 			link_sta->rx_stats.last_rx = jiffies;  in ieee80211_rx_h_sta_process()
1771 			if (ieee80211_is_data_present(hdr->frame_control) &&  in ieee80211_rx_h_sta_process()
1772 			    !is_multicast_ether_addr(hdr->addr1))  in ieee80211_rx_h_sta_process()
1773 				link_sta->rx_stats.last_rate =  in ieee80211_rx_h_sta_process()
1776 	} else if (rx->sdata->vif.type == NL80211_IFTYPE_OCB) {  in ieee80211_rx_h_sta_process()
1777 		link_sta->rx_stats.last_rx = jiffies;  in ieee80211_rx_h_sta_process()
1778 	} else if (!ieee80211_is_s1g_beacon(hdr->frame_control) &&  in ieee80211_rx_h_sta_process()
1779 		   !is_multicast_ether_addr(hdr->addr1)) {  in ieee80211_rx_h_sta_process()
1784 		link_sta->rx_stats.last_rx = jiffies;  in ieee80211_rx_h_sta_process()
1785 		if (ieee80211_is_data_present(hdr->frame_control))  in ieee80211_rx_h_sta_process()
1786 			link_sta->rx_stats.last_rate = sta_stats_encode_rate(status);  in ieee80211_rx_h_sta_process()
1789 	link_sta->rx_stats.fragments++;  in ieee80211_rx_h_sta_process()
1791 	u64_stats_update_begin(&link_sta->rx_stats.syncp);  in ieee80211_rx_h_sta_process()
1792 	link_sta->rx_stats.bytes += rx->skb->len;  in ieee80211_rx_h_sta_process()
1793 	u64_stats_update_end(&link_sta->rx_stats.syncp);  in ieee80211_rx_h_sta_process()
1795 	if (!(status->flag & RX_FLAG_NO_SIGNAL_VAL)) {  in ieee80211_rx_h_sta_process()
1796 		link_sta->rx_stats.last_signal = status->signal;  in ieee80211_rx_h_sta_process()
1797 		ewma_signal_add(&link_sta->rx_stats_avg.signal,  in ieee80211_rx_h_sta_process()
1798 				-status->signal);  in ieee80211_rx_h_sta_process()
1801 	if (status->chains) {  in ieee80211_rx_h_sta_process()
1802 		link_sta->rx_stats.chains = status->chains;  in ieee80211_rx_h_sta_process()
1803 		for (i = 0; i < ARRAY_SIZE(status->chain_signal); i++) {  in ieee80211_rx_h_sta_process()
1804 			int signal = status->chain_signal[i];  in ieee80211_rx_h_sta_process()
1806 			if (!(status->chains & BIT(i)))  in ieee80211_rx_h_sta_process()
1809 			link_sta->rx_stats.chain_signal_last[i] = signal;  in ieee80211_rx_h_sta_process()
1810 			ewma_signal_add(&link_sta->rx_stats_avg.chain_signal[i],  in ieee80211_rx_h_sta_process()
1811 					-signal);  in ieee80211_rx_h_sta_process()
1815 	if (ieee80211_is_s1g_beacon(hdr->frame_control))  in ieee80211_rx_h_sta_process()
1821 	 * frame as specified in IEEE 802.11-2016 11.2.3.2  in ieee80211_rx_h_sta_process()
1823 	if (!ieee80211_hw_check(&sta->local->hw, AP_LINK_PS) &&  in ieee80211_rx_h_sta_process()
1824 	    !ieee80211_has_morefrags(hdr->frame_control) &&  in ieee80211_rx_h_sta_process()
1825 	    !is_multicast_ether_addr(hdr->addr1) &&  in ieee80211_rx_h_sta_process()
1826 	    (ieee80211_is_mgmt(hdr->frame_control) ||  in ieee80211_rx_h_sta_process()
1827 	     ieee80211_is_data(hdr->frame_control)) &&  in ieee80211_rx_h_sta_process()
1828 	    !(status->rx_flags & IEEE80211_RX_DEFERRED_RELEASE) &&  in ieee80211_rx_h_sta_process()
1829 	    (rx->sdata->vif.type == NL80211_IFTYPE_AP ||  in ieee80211_rx_h_sta_process()
1830 	     rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN)) {  in ieee80211_rx_h_sta_process()
1832 			if (!ieee80211_has_pm(hdr->frame_control))  in ieee80211_rx_h_sta_process()
1835 			if (ieee80211_has_pm(hdr->frame_control))  in ieee80211_rx_h_sta_process()
1841 	if (ieee80211_vif_is_mesh(&rx->sdata->vif))  in ieee80211_rx_h_sta_process()
1845 	 * Drop (qos-)data::nullfunc frames silently, since they  in ieee80211_rx_h_sta_process()
1848 	if (ieee80211_is_any_nullfunc(hdr->frame_control)) {  in ieee80211_rx_h_sta_process()
1849 		I802_DEBUG_INC(rx->local->rx_handlers_drop_nullfunc);  in ieee80211_rx_h_sta_process()
1852 		 * If we receive a 4-addr nullfunc frame from a STA  in ieee80211_rx_h_sta_process()
1853 		 * that was not moved to a 4-addr STA vlan yet send  in ieee80211_rx_h_sta_process()
1857 		if (ieee80211_has_a4(hdr->frame_control) &&  in ieee80211_rx_h_sta_process()
1858 		    (rx->sdata->vif.type == NL80211_IFTYPE_AP ||  in ieee80211_rx_h_sta_process()
1859 		     (rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&  in ieee80211_rx_h_sta_process()
1860 		      !rx->sdata->u.vlan.sta))) {  in ieee80211_rx_h_sta_process()
1863 					rx->sdata->dev, sta->sta.addr,  in ieee80211_rx_h_sta_process()
1871 		link_sta->rx_stats.packets++;  in ieee80211_rx_h_sta_process()
1872 		dev_kfree_skb(rx->skb);  in ieee80211_rx_h_sta_process()
1898 			idx2 = idx - 1;  in ieee80211_rx_get_bigtk()
1901 	if (rx->link_sta)  in ieee80211_rx_get_bigtk()
1902 		key = rcu_dereference(rx->link_sta->gtk[idx]);  in ieee80211_rx_get_bigtk()
1904 		key = rcu_dereference(rx->link->gtk[idx]);  in ieee80211_rx_get_bigtk()
1905 	if (!key && rx->link_sta)  in ieee80211_rx_get_bigtk()
1906 		key = rcu_dereference(rx->link_sta->gtk[idx2]);  in ieee80211_rx_get_bigtk()
1908 		key = rcu_dereference(rx->link->gtk[idx2]);  in ieee80211_rx_get_bigtk()
1916 	struct sk_buff *skb = rx->skb;  in ieee80211_rx_h_decrypt()
1918 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;  in ieee80211_rx_h_decrypt()
1923 	int mmie_keyidx = -1;  in ieee80211_rx_h_decrypt()
1926 	if (ieee80211_is_ext(hdr->frame_control))  in ieee80211_rx_h_decrypt()
1933 	 *  - GTK (group keys)  in ieee80211_rx_h_decrypt()
1934 	 *  - IGTK (group keys for management frames)  in ieee80211_rx_h_decrypt()
1935 	 *  - BIGTK (group keys for Beacon frames)  in ieee80211_rx_h_decrypt()
1936 	 *  - PTK (pairwise keys)  in ieee80211_rx_h_decrypt()
1937 	 *  - STK (station-to-station pairwise keys)  in ieee80211_rx_h_decrypt()
1942 	 * BIGTKs. Unless, of course, actual WEP keys ("pre-RSNA") are used,  in ieee80211_rx_h_decrypt()
1958 	rx->key = NULL;  in ieee80211_rx_h_decrypt()
1959 	fc = hdr->frame_control;  in ieee80211_rx_h_decrypt()
1961 	if (rx->sta) {  in ieee80211_rx_h_decrypt()
1962 		int keyid = rx->sta->ptk_idx;  in ieee80211_rx_h_decrypt()
1963 		sta_ptk = rcu_dereference(rx->sta->ptk[keyid]);  in ieee80211_rx_h_decrypt()
1966 		    !(status->flag & RX_FLAG_IV_STRIPPED)) {  in ieee80211_rx_h_decrypt()
1967 			keyid = ieee80211_get_keyid(rx->skb);  in ieee80211_rx_h_decrypt()
1972 			ptk_idx = rcu_dereference(rx->sta->ptk[keyid]);  in ieee80211_rx_h_decrypt()
1977 		mmie_keyidx = ieee80211_get_mmie_keyidx(rx->skb);  in ieee80211_rx_h_decrypt()
1979 	if (!is_multicast_ether_addr(hdr->addr1) && sta_ptk) {  in ieee80211_rx_h_decrypt()
1980 		rx->key = ptk_idx ? ptk_idx : sta_ptk;  in ieee80211_rx_h_decrypt()
1981 		if ((status->flag & RX_FLAG_DECRYPTED) &&  in ieee80211_rx_h_decrypt()
1982 		    (status->flag & RX_FLAG_IV_STRIPPED))  in ieee80211_rx_h_decrypt()
1989 		if ((status->flag & RX_FLAG_DECRYPTED) &&  in ieee80211_rx_h_decrypt()
1990 		    (status->flag & RX_FLAG_IV_STRIPPED))  in ieee80211_rx_h_decrypt()
1996 			if (rx->sdata->dev)  in ieee80211_rx_h_decrypt()
1997 				cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,  in ieee80211_rx_h_decrypt()
1998 							     skb->data,  in ieee80211_rx_h_decrypt()
1999 							     skb->len);  in ieee80211_rx_h_decrypt()
2003 		rx->key = ieee80211_rx_get_bigtk(rx, mmie_keyidx);  in ieee80211_rx_h_decrypt()
2004 		if (!rx->key)  in ieee80211_rx_h_decrypt()
2008 		if ((status->flag & RX_FLAG_DECRYPTED) &&  in ieee80211_rx_h_decrypt()
2009 		    (status->flag & RX_FLAG_IV_STRIPPED))  in ieee80211_rx_h_decrypt()
2015 		if (rx->link_sta) {  in ieee80211_rx_h_decrypt()
2017 			    test_sta_flag(rx->sta, WLAN_STA_MFP))  in ieee80211_rx_h_decrypt()
2020 			rx->key = rcu_dereference(rx->link_sta->gtk[mmie_keyidx]);  in ieee80211_rx_h_decrypt()
2022 		if (!rx->key)  in ieee80211_rx_h_decrypt()
2023 			rx->key = rcu_dereference(rx->link->gtk[mmie_keyidx]);  in ieee80211_rx_h_decrypt()
2027 		 * need to set rx->key if there is a key that could have been  in ieee80211_rx_h_decrypt()
2035 			key = ieee80211_rx_get_bigtk(rx, -1);  in ieee80211_rx_h_decrypt()
2037 			   is_multicast_ether_addr(hdr->addr1)) {  in ieee80211_rx_h_decrypt()
2038 			key = rcu_dereference(rx->link->default_mgmt_key);  in ieee80211_rx_h_decrypt()
2040 			if (rx->link_sta) {  in ieee80211_rx_h_decrypt()
2042 					key = rcu_dereference(rx->link_sta->gtk[i]);  in ieee80211_rx_h_decrypt()
2049 					key = rcu_dereference(rx->link->gtk[i]);  in ieee80211_rx_h_decrypt()
2056 			rx->key = key;  in ieee80211_rx_h_decrypt()
2068 		if ((status->flag & RX_FLAG_DECRYPTED) &&  in ieee80211_rx_h_decrypt()
2069 		    (status->flag & RX_FLAG_IV_STRIPPED))  in ieee80211_rx_h_decrypt()
2072 		keyidx = ieee80211_get_keyid(rx->skb);  in ieee80211_rx_h_decrypt()
2077 		/* check per-station GTK first, if multicast packet */  in ieee80211_rx_h_decrypt()
2078 		if (is_multicast_ether_addr(hdr->addr1) && rx->link_sta)  in ieee80211_rx_h_decrypt()
2079 			rx->key = rcu_dereference(rx->link_sta->gtk[keyidx]);  in ieee80211_rx_h_decrypt()
2082 		if (!rx->key) {  in ieee80211_rx_h_decrypt()
2083 			if (is_multicast_ether_addr(hdr->addr1))  in ieee80211_rx_h_decrypt()
2084 				rx->key = rcu_dereference(rx->link->gtk[keyidx]);  in ieee80211_rx_h_decrypt()
2085 			if (!rx->key)  in ieee80211_rx_h_decrypt()
2086 				rx->key = rcu_dereference(rx->sdata->keys[keyidx]);  in ieee80211_rx_h_decrypt()
2089 			 * RSNA-protected unicast frames should always be  in ieee80211_rx_h_decrypt()
2090 			 * sent with pairwise or station-to-station keys,  in ieee80211_rx_h_decrypt()
2093 			if (rx->key &&  in ieee80211_rx_h_decrypt()
2094 			    rx->key->conf.cipher != WLAN_CIPHER_SUITE_WEP40 &&  in ieee80211_rx_h_decrypt()
2095 			    rx->key->conf.cipher != WLAN_CIPHER_SUITE_WEP104 &&  in ieee80211_rx_h_decrypt()
2096 			    !is_multicast_ether_addr(hdr->addr1))  in ieee80211_rx_h_decrypt()
2097 				rx->key = NULL;  in ieee80211_rx_h_decrypt()
2101 	if (rx->key) {  in ieee80211_rx_h_decrypt()
2102 		if (unlikely(rx->key->flags & KEY_FLAG_TAINTED))  in ieee80211_rx_h_decrypt()
2110 	switch (rx->key->conf.cipher) {  in ieee80211_rx_h_decrypt()
2147 	status->flag |= RX_FLAG_DECRYPTED;  in ieee80211_rx_h_decrypt()
2150 		     rx->sdata->dev))  in ieee80211_rx_h_decrypt()
2151 		cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,  in ieee80211_rx_h_decrypt()
2152 					     skb->data, skb->len);  in ieee80211_rx_h_decrypt()
2161 	for (i = 0; i < ARRAY_SIZE(cache->entries); i++)  in ieee80211_init_frag_cache()
2162 		skb_queue_head_init(&cache->entries[i].skb_list);  in ieee80211_init_frag_cache()
2169 	for (i = 0; i < ARRAY_SIZE(cache->entries); i++)  in ieee80211_destroy_frag_cache()
2170 		__skb_queue_purge(&cache->entries[i].skb_list);  in ieee80211_destroy_frag_cache()
2180 	entry = &cache->entries[cache->next++];  in ieee80211_reassemble_add()
2181 	if (cache->next >= IEEE80211_FRAGMENT_MAX)  in ieee80211_reassemble_add()
2182 		cache->next = 0;  in ieee80211_reassemble_add()
2184 	__skb_queue_purge(&entry->skb_list);  in ieee80211_reassemble_add()
2186 	__skb_queue_tail(&entry->skb_list, *skb); /* no need for locking */  in ieee80211_reassemble_add()
2188 	entry->first_frag_time = jiffies;  in ieee80211_reassemble_add()
2189 	entry->seq = seq;  in ieee80211_reassemble_add()
2190 	entry->rx_queue = rx_queue;  in ieee80211_reassemble_add()
2191 	entry->last_frag = frag;  in ieee80211_reassemble_add()
2192 	entry->check_sequential_pn = false;  in ieee80211_reassemble_add()
2193 	entry->extra_len = 0;  in ieee80211_reassemble_add()
2206 	idx = cache->next;  in ieee80211_reassemble_find()
2211 		idx--;  in ieee80211_reassemble_find()
2213 			idx = IEEE80211_FRAGMENT_MAX - 1;  in ieee80211_reassemble_find()
2215 		entry = &cache->entries[idx];  in ieee80211_reassemble_find()
2216 		if (skb_queue_empty(&entry->skb_list) || entry->seq != seq ||  in ieee80211_reassemble_find()
2217 		    entry->rx_queue != rx_queue ||  in ieee80211_reassemble_find()
2218 		    entry->last_frag + 1 != frag)  in ieee80211_reassemble_find()
2221 		f_skb = __skb_peek(&entry->skb_list);  in ieee80211_reassemble_find()
2222 		f_hdr = (struct ieee80211_hdr *) f_skb->data;  in ieee80211_reassemble_find()
2227 		if (((hdr->frame_control ^ f_hdr->frame_control) &  in ieee80211_reassemble_find()
2229 		    !ether_addr_equal(hdr->addr1, f_hdr->addr1) ||  in ieee80211_reassemble_find()
2230 		    !ether_addr_equal(hdr->addr2, f_hdr->addr2))  in ieee80211_reassemble_find()
2233 		if (time_after(jiffies, entry->first_frag_time + 2 * HZ)) {  in ieee80211_reassemble_find()
2234 			__skb_queue_purge(&entry->skb_list);  in ieee80211_reassemble_find()
2245 	return rx->key &&  in requires_sequential_pn()
2246 		(rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP ||  in requires_sequential_pn()
2247 		 rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP_256 ||  in requires_sequential_pn()
2248 		 rx->key->conf.cipher == WLAN_CIPHER_SUITE_GCMP ||  in requires_sequential_pn()
2249 		 rx->key->conf.cipher == WLAN_CIPHER_SUITE_GCMP_256) &&  in requires_sequential_pn()
2256 	struct ieee80211_fragment_cache *cache = &rx->sdata->frags;  in ieee80211_rx_h_defragment()
2263 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_h_defragment()
2265 	hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_rx_h_defragment()
2266 	fc = hdr->frame_control;  in ieee80211_rx_h_defragment()
2271 	sc = le16_to_cpu(hdr->seq_ctrl);  in ieee80211_rx_h_defragment()
2274 	if (rx->sta)  in ieee80211_rx_h_defragment()
2275 		cache = &rx->sta->frags;  in ieee80211_rx_h_defragment()
2280 	if (is_multicast_ether_addr(hdr->addr1))  in ieee80211_rx_h_defragment()
2283 	I802_DEBUG_INC(rx->local->rx_handlers_fragments);  in ieee80211_rx_h_defragment()
2285 	if (skb_linearize(rx->skb))  in ieee80211_rx_h_defragment()
2289 	 *  skb_linearize() might change the skb->data and  in ieee80211_rx_h_defragment()
2293 	hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_rx_h_defragment()
2299 						 rx->seqno_idx, &(rx->skb));  in ieee80211_rx_h_defragment()
2301 			int queue = rx->security_idx;  in ieee80211_rx_h_defragment()
2306 			entry->check_sequential_pn = true;  in ieee80211_rx_h_defragment()
2307 			entry->is_protected = true;  in ieee80211_rx_h_defragment()
2308 			entry->key_color = rx->key->color;  in ieee80211_rx_h_defragment()
2309 			memcpy(entry->last_pn,  in ieee80211_rx_h_defragment()
2310 			       rx->key->u.ccmp.rx_pn[queue],  in ieee80211_rx_h_defragment()
2316 			BUILD_BUG_ON(sizeof(rx->key->u.ccmp.rx_pn[queue]) !=  in ieee80211_rx_h_defragment()
2317 				     sizeof(rx->key->u.gcmp.rx_pn[queue]));  in ieee80211_rx_h_defragment()
2320 		} else if (rx->key &&  in ieee80211_rx_h_defragment()
2322 			    (status->flag & RX_FLAG_DECRYPTED))) {  in ieee80211_rx_h_defragment()
2323 			entry->is_protected = true;  in ieee80211_rx_h_defragment()
2324 			entry->key_color = rx->key->color;  in ieee80211_rx_h_defragment()
2333 					  rx->seqno_idx, hdr);  in ieee80211_rx_h_defragment()
2335 		I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag);  in ieee80211_rx_h_defragment()
2341 	 * see IEEE P802.11-REVmc/D5.0, 12.5.3.4.4, item d (for CCMP)  in ieee80211_rx_h_defragment()
2342 	 * and IEEE P802.11-REVmc/D5.0, 12.5.5.4.4, item d (for GCMP)  in ieee80211_rx_h_defragment()
2344 	if (entry->check_sequential_pn) {  in ieee80211_rx_h_defragment()
2352 		if (entry->key_color != rx->key->color)  in ieee80211_rx_h_defragment()
2355 		memcpy(pn, entry->last_pn, IEEE80211_CCMP_PN_LEN);  in ieee80211_rx_h_defragment()
2356 		for (i = IEEE80211_CCMP_PN_LEN - 1; i >= 0; i--) {  in ieee80211_rx_h_defragment()
2362 		rpn = rx->ccm_gcm.pn;  in ieee80211_rx_h_defragment()
2365 		memcpy(entry->last_pn, pn, IEEE80211_CCMP_PN_LEN);  in ieee80211_rx_h_defragment()
2366 	} else if (entry->is_protected &&  in ieee80211_rx_h_defragment()
2367 		   (!rx->key ||  in ieee80211_rx_h_defragment()
2369 		     !(status->flag & RX_FLAG_DECRYPTED)) ||  in ieee80211_rx_h_defragment()
2370 		    rx->key->color != entry->key_color)) {  in ieee80211_rx_h_defragment()
2372 		 * if for TKIP Michael MIC should protect us, and WEP is a  in ieee80211_rx_h_defragment()
2376 	} else if (entry->is_protected && rx->key &&  in ieee80211_rx_h_defragment()
2377 		   entry->key_color != rx->key->color &&  in ieee80211_rx_h_defragment()
2378 		   (status->flag & RX_FLAG_DECRYPTED)) {  in ieee80211_rx_h_defragment()
2382 	skb_pull(rx->skb, ieee80211_hdrlen(fc));  in ieee80211_rx_h_defragment()
2383 	__skb_queue_tail(&entry->skb_list, rx->skb);  in ieee80211_rx_h_defragment()
2384 	entry->last_frag = frag;  in ieee80211_rx_h_defragment()
2385 	entry->extra_len += rx->skb->len;  in ieee80211_rx_h_defragment()
2387 		rx->skb = NULL;  in ieee80211_rx_h_defragment()
2391 	rx->skb = __skb_dequeue(&entry->skb_list);  in ieee80211_rx_h_defragment()
2392 	if (skb_tailroom(rx->skb) < entry->extra_len) {  in ieee80211_rx_h_defragment()
2393 		I802_DEBUG_INC(rx->local->rx_expand_skb_head_defrag);  in ieee80211_rx_h_defragment()
2394 		if (unlikely(pskb_expand_head(rx->skb, 0, entry->extra_len,  in ieee80211_rx_h_defragment()
2396 			I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag);  in ieee80211_rx_h_defragment()
2397 			__skb_queue_purge(&entry->skb_list);  in ieee80211_rx_h_defragment()
2401 	while ((skb = __skb_dequeue(&entry->skb_list))) {  in ieee80211_rx_h_defragment()
2402 		skb_put_data(rx->skb, skb->data, skb->len);  in ieee80211_rx_h_defragment()
2407 	ieee80211_led_rx(rx->local);  in ieee80211_rx_h_defragment()
2408 	if (rx->sta)  in ieee80211_rx_h_defragment()
2409 		rx->link_sta->rx_stats.packets++;  in ieee80211_rx_h_defragment()
2415 	if (unlikely(!rx->sta || !test_sta_flag(rx->sta, WLAN_STA_AUTHORIZED)))  in ieee80211_802_1x_port_control()
2416 		return -EACCES;  in ieee80211_802_1x_port_control()
2423 	struct sk_buff *skb = rx->skb;  in ieee80211_drop_unencrypted()
2430 	if (status->flag & RX_FLAG_DECRYPTED)  in ieee80211_drop_unencrypted()
2436 		     ieee80211_is_data(fc) && rx->key))  in ieee80211_drop_unencrypted()
2437 		return -EACCES;  in ieee80211_drop_unencrypted()
2445 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_drop_unencrypted_mgmt()
2446 	struct ieee80211_mgmt *mgmt = (void *)rx->skb->data;  in ieee80211_drop_unencrypted_mgmt()
2447 	__le16 fc = mgmt->frame_control;  in ieee80211_drop_unencrypted_mgmt()
2453 	if (status->flag & RX_FLAG_DECRYPTED)  in ieee80211_drop_unencrypted_mgmt()
2458 	    mgmt->u.action.category == WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION)  in ieee80211_drop_unencrypted_mgmt()
2461 	if (rx->sta && test_sta_flag(rx->sta, WLAN_STA_MFP)) {  in ieee80211_drop_unencrypted_mgmt()
2463 			     ieee80211_is_unicast_robust_mgmt_frame(rx->skb))) {  in ieee80211_drop_unencrypted_mgmt()
2468 				 * during 4-way-HS (key is installed after HS).  in ieee80211_drop_unencrypted_mgmt()
2470 				if (!rx->key)  in ieee80211_drop_unencrypted_mgmt()
2473 				cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,  in ieee80211_drop_unencrypted_mgmt()
2474 							     rx->skb->data,  in ieee80211_drop_unencrypted_mgmt()
2475 							     rx->skb->len);  in ieee80211_drop_unencrypted_mgmt()
2480 		if (unlikely(ieee80211_is_multicast_robust_mgmt_frame(rx->skb) &&  in ieee80211_drop_unencrypted_mgmt()
2481 			     ieee80211_get_mmie_keyidx(rx->skb) < 0)) {  in ieee80211_drop_unencrypted_mgmt()
2484 				cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,  in ieee80211_drop_unencrypted_mgmt()
2485 							     rx->skb->data,  in ieee80211_drop_unencrypted_mgmt()
2486 							     rx->skb->len);  in ieee80211_drop_unencrypted_mgmt()
2489 		if (unlikely(ieee80211_is_beacon(fc) && rx->key &&  in ieee80211_drop_unencrypted_mgmt()
2490 			     ieee80211_get_mmie_keyidx(rx->skb) < 0)) {  in ieee80211_drop_unencrypted_mgmt()
2491 			cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,  in ieee80211_drop_unencrypted_mgmt()
2492 						     rx->skb->data,  in ieee80211_drop_unencrypted_mgmt()
2493 						     rx->skb->len);  in ieee80211_drop_unencrypted_mgmt()
2500 		if (unlikely(ieee80211_is_action(fc) && !rx->key &&  in ieee80211_drop_unencrypted_mgmt()
2501 			     ieee80211_is_robust_mgmt_frame(rx->skb)))  in ieee80211_drop_unencrypted_mgmt()
2505 		if (is_unicast_ether_addr(mgmt->da) &&  in ieee80211_drop_unencrypted_mgmt()
2506 		    ieee80211_is_protected_dual_of_public_action(rx->skb))  in ieee80211_drop_unencrypted_mgmt()
2515 	    ieee80211_is_robust_mgmt_frame(rx->skb) &&  in ieee80211_drop_unencrypted_mgmt()
2516 	    (!rx->sta || !test_sta_flag(rx->sta, WLAN_STA_ASSOC)))  in ieee80211_drop_unencrypted_mgmt()
2526 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in __ieee80211_data_to_8023()
2527 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;  in __ieee80211_data_to_8023()
2533 	if (ieee80211_has_a4(hdr->frame_control) &&  in __ieee80211_data_to_8023()
2534 	    sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta)  in __ieee80211_data_to_8023()
2537 	if (sdata->vif.type == NL80211_IFTYPE_STATION &&  in __ieee80211_data_to_8023()
2538 	    !!sdata->u.mgd.use_4addr != !!ieee80211_has_a4(hdr->frame_control)) {  in __ieee80211_data_to_8023()
2539 		if (!sdata->u.mgd.use_4addr)  in __ieee80211_data_to_8023()
2541 		else if (!ether_addr_equal(hdr->addr1, sdata->vif.addr))  in __ieee80211_data_to_8023()
2545 	if (is_multicast_ether_addr(hdr->addr1) &&  in __ieee80211_data_to_8023()
2546 	    sdata->vif.type == NL80211_IFTYPE_AP_VLAN && sdata->u.vlan.sta)  in __ieee80211_data_to_8023()
2549 	ret = ieee80211_data_to_8023(rx->skb, sdata->vif.addr, sdata->vif.type);  in __ieee80211_data_to_8023()
2553 	ehdr = (struct ethhdr *) rx->skb->data;  in __ieee80211_data_to_8023()
2554 	if (ehdr->h_proto == rx->sdata->control_port_protocol)  in __ieee80211_data_to_8023()
2567 	/* non-MLO, or MLD address replaced by hardware */  in ieee80211_is_our_addr()
2568 	if (ether_addr_equal(sdata->vif.addr, addr))  in ieee80211_is_our_addr()
2571 	if (!ieee80211_vif_is_mld(&sdata->vif))  in ieee80211_is_our_addr()
2574 	for (link_id = 0; link_id < ARRAY_SIZE(sdata->vif.link_conf); link_id++) {  in ieee80211_is_our_addr()
2577 		conf = rcu_dereference(sdata->vif.link_conf[link_id]);  in ieee80211_is_our_addr()
2581 		if (ether_addr_equal(conf->addr, addr)) {  in ieee80211_is_our_addr()
2592  * requires that rx->skb is a frame with ethernet header
2598 	struct ethhdr *ehdr = (struct ethhdr *) rx->skb->data;  in ieee80211_frame_allowed()
2605 	if (unlikely(ehdr->h_proto == rx->sdata->control_port_protocol))  in ieee80211_frame_allowed()
2606 		return ieee80211_is_our_addr(rx->sdata, ehdr->h_dest, NULL) ||  in ieee80211_frame_allowed()
2607 		       ether_addr_equal(ehdr->h_dest, pae_group_addr);  in ieee80211_frame_allowed()
2619 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_deliver_skb_to_local_stack()
2620 	struct net_device *dev = sdata->dev;  in ieee80211_deliver_skb_to_local_stack()
2622 	if (unlikely((skb->protocol == sdata->control_port_protocol ||  in ieee80211_deliver_skb_to_local_stack()
2623 		     (skb->protocol == cpu_to_be16(ETH_P_PREAUTH) &&  in ieee80211_deliver_skb_to_local_stack()
2624 		      !sdata->control_port_no_preauth)) &&  in ieee80211_deliver_skb_to_local_stack()
2625 		     sdata->control_port_over_nl80211)) {  in ieee80211_deliver_skb_to_local_stack()
2627 		bool noencrypt = !(status->flag & RX_FLAG_DECRYPTED);  in ieee80211_deliver_skb_to_local_stack()
2629 		cfg80211_rx_control_port(dev, skb, noencrypt, rx->link_id);  in ieee80211_deliver_skb_to_local_stack()
2634 		memset(skb->cb, 0, sizeof(skb->cb));  in ieee80211_deliver_skb_to_local_stack()
2651 		if (unlikely(skb->protocol == sdata->control_port_protocol &&  in ieee80211_deliver_skb_to_local_stack()
2652 			     !ether_addr_equal(ehdr->h_dest, sdata->vif.addr)))  in ieee80211_deliver_skb_to_local_stack()
2653 			ether_addr_copy(ehdr->h_dest, sdata->vif.addr);  in ieee80211_deliver_skb_to_local_stack()
2656 		if (rx->list)  in ieee80211_deliver_skb_to_local_stack()
2657 			list_add_tail(&skb->list, rx->list);  in ieee80211_deliver_skb_to_local_stack()
2664  * requires that rx->skb is a frame with ethernet header
2669 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_deliver_skb()
2670 	struct net_device *dev = sdata->dev;  in ieee80211_deliver_skb()
2672 	struct ethhdr *ehdr = (struct ethhdr *) rx->skb->data;  in ieee80211_deliver_skb()
2675 	skb = rx->skb;  in ieee80211_deliver_skb()
2678 	dev_sw_netstats_rx_add(dev, skb->len);  in ieee80211_deliver_skb()
2680 	if (rx->sta) {  in ieee80211_deliver_skb()
2683 		 * for non-QoS-data frames. Here we know it's a data  in ieee80211_deliver_skb()
2686 		u64_stats_update_begin(&rx->link_sta->rx_stats.syncp);  in ieee80211_deliver_skb()
2687 		rx->link_sta->rx_stats.msdu[rx->seqno_idx]++;  in ieee80211_deliver_skb()
2688 		u64_stats_update_end(&rx->link_sta->rx_stats.syncp);  in ieee80211_deliver_skb()
2691 	if ((sdata->vif.type == NL80211_IFTYPE_AP ||  in ieee80211_deliver_skb()
2692 	     sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&  in ieee80211_deliver_skb()
2693 	    !(sdata->flags & IEEE80211_SDATA_DONT_BRIDGE_PACKETS) &&  in ieee80211_deliver_skb()
2694 	    ehdr->h_proto != rx->sdata->control_port_protocol &&  in ieee80211_deliver_skb()
2695 	    (sdata->vif.type != NL80211_IFTYPE_AP_VLAN || !sdata->u.vlan.sta)) {  in ieee80211_deliver_skb()
2696 		if (is_multicast_ether_addr(ehdr->h_dest) &&  in ieee80211_deliver_skb()
2705 						    dev->name);  in ieee80211_deliver_skb()
2706 		} else if (!is_multicast_ether_addr(ehdr->h_dest) &&  in ieee80211_deliver_skb()
2707 			   !ether_addr_equal(ehdr->h_dest, ehdr->h_source)) {  in ieee80211_deliver_skb()
2708 			dsta = sta_info_get(sdata, ehdr->h_dest);  in ieee80211_deliver_skb()
2725 		 * frames are required to be aligned to 2-byte boundaries  in ieee80211_deliver_skb()
2728 		 * access fields as 2-byte aligned (e.g. for ether_addr_equal)  in ieee80211_deliver_skb()
2732 		align = (unsigned long)(skb->data + sizeof(struct ethhdr)) & 3;  in ieee80211_deliver_skb()
2738 				u8 *data = skb->data;  in ieee80211_deliver_skb()
2740 				skb->data -= align;  in ieee80211_deliver_skb()
2741 				memmove(skb->data, data, len);  in ieee80211_deliver_skb()
2749 		skb->protocol = eth_type_trans(skb, dev);  in ieee80211_deliver_skb()
2759 		xmit_skb->priority += 256;  in ieee80211_deliver_skb()
2760 		xmit_skb->protocol = htons(ETH_P_802_3);  in ieee80211_deliver_skb()
2772 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in ieee80211_rx_mesh_fast_forward()
2783 	mesh_hdr = (struct ieee80211s_hdr *)(skb->data + sizeof(eth));  in ieee80211_rx_mesh_fast_forward()
2784 	if ((mesh_hdr->flags & MESH_FLAGS_AE) == MESH_FLAGS_AE_A5_A6)  in ieee80211_rx_mesh_fast_forward()
2785 		ether_addr_copy(key.addr, mesh_hdr->eaddr1);  in ieee80211_rx_mesh_fast_forward()
2786 	else if (!(mesh_hdr->flags & MESH_FLAGS_AE))  in ieee80211_rx_mesh_fast_forward()
2787 		ether_addr_copy(key.addr, skb->data);  in ieee80211_rx_mesh_fast_forward()
2795 	sta = rcu_dereference(entry->mpath->next_hop);  in ieee80211_rx_mesh_fast_forward()
2802 	tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;  in ieee80211_rx_mesh_fast_forward()
2803 	tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[tid]);  in ieee80211_rx_mesh_fast_forward()
2805 		if (!test_bit(HT_AGG_STATE_OPERATIONAL, &tid_tx->state))  in ieee80211_rx_mesh_fast_forward()
2808 		if (tid_tx->timeout)  in ieee80211_rx_mesh_fast_forward()
2809 			tid_tx->last_tx = jiffies;  in ieee80211_rx_mesh_fast_forward()
2814 	if (ieee80211_get_8023_tunnel_proto(skb->data + hdrlen,  in ieee80211_rx_mesh_fast_forward()
2815 					    &skb->protocol))  in ieee80211_rx_mesh_fast_forward()
2818 		skb->protocol = htons(skb->len - hdrlen);  in ieee80211_rx_mesh_fast_forward()
2821 	skb->dev = sdata->dev;  in ieee80211_rx_mesh_fast_forward()
2822 	memcpy(&eth, skb->data, ETH_HLEN - 2);  in ieee80211_rx_mesh_fast_forward()
2824 	__ieee80211_xmit_fast(sdata, sta, &entry->fast_tx, skb, tid_tx,  in ieee80211_rx_mesh_fast_forward()
2838 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in ieee80211_rx_mesh_data()
2839 	struct ieee80211_local *local = sdata->local;  in ieee80211_rx_mesh_data()
2854 	if (!ieee80211_vif_is_mesh(&sdata->vif))  in ieee80211_rx_mesh_data()
2860 	mesh_hdr = (struct ieee80211s_hdr *)(skb->data + sizeof(*eth));  in ieee80211_rx_mesh_data()
2866 	eth = (struct ethhdr *)skb->data;  in ieee80211_rx_mesh_data()
2867 	multicast = is_multicast_ether_addr(eth->h_dest);  in ieee80211_rx_mesh_data()
2870 	if (!mesh_hdr->ttl)  in ieee80211_rx_mesh_data()
2874 	if (is_multicast_ether_addr(eth->h_dest) &&  in ieee80211_rx_mesh_data()
2875 	    mesh_rmc_check(sdata, eth->h_source, mesh_hdr))  in ieee80211_rx_mesh_data()
2879 	if (sdata->crypto_tx_tailroom_needed_cnt)  in ieee80211_rx_mesh_data()
2882 	if (mesh_hdr->flags & MESH_FLAGS_AE) {  in ieee80211_rx_mesh_data()
2888 			proxied_addr = mesh_hdr->eaddr1;  in ieee80211_rx_mesh_data()
2889 		else if ((mesh_hdr->flags & MESH_FLAGS_AE) == MESH_FLAGS_AE_A5_A6)  in ieee80211_rx_mesh_data()
2891 			proxied_addr = mesh_hdr->eaddr2;  in ieee80211_rx_mesh_data()
2898 			mpp_path_add(sdata, proxied_addr, eth->h_source);  in ieee80211_rx_mesh_data()
2900 			spin_lock_bh(&mppath->state_lock);  in ieee80211_rx_mesh_data()
2901 			if (!ether_addr_equal(mppath->mpp, eth->h_source)) {  in ieee80211_rx_mesh_data()
2902 				memcpy(mppath->mpp, eth->h_source, ETH_ALEN);  in ieee80211_rx_mesh_data()
2905 			mppath->exp_time = jiffies;  in ieee80211_rx_mesh_data()
2906 			spin_unlock_bh(&mppath->state_lock);  in ieee80211_rx_mesh_data()
2917 	if (ether_addr_equal(sdata->vif.addr, eth->h_dest))  in ieee80211_rx_mesh_data()
2920 	if (!--mesh_hdr->ttl) {  in ieee80211_rx_mesh_data()
2928 	if (!ifmsh->mshcfg.dot11MeshForwarding) {  in ieee80211_rx_mesh_data()
2929 		if (is_multicast_ether_addr(eth->h_dest))  in ieee80211_rx_mesh_data()
2935 	skb_set_queue_mapping(skb, ieee802_1d_to_ac[skb->priority]);  in ieee80211_rx_mesh_data()
2942 				      eth->h_dest, eth->h_source);  in ieee80211_rx_mesh_data()
2945 		int extra_head = sizeof(struct ieee80211_hdr) - sizeof(*eth);  in ieee80211_rx_mesh_data()
2947 		fwd_skb = skb_copy_expand(skb, local->tx_headroom + extra_head +  in ieee80211_rx_mesh_data()
2956 		if (skb_cow_head(fwd_skb, hdrlen - sizeof(struct ethhdr)))  in ieee80211_rx_mesh_data()
2963 	fwd_hdr = skb_push(fwd_skb, hdrlen - sizeof(struct ethhdr));  in ieee80211_rx_mesh_data()
2964 	memcpy(fwd_hdr, &hdr, hdrlen - 2);  in ieee80211_rx_mesh_data()
2970 	if (ieee80211_get_8023_tunnel_proto(fwd_skb->data + hdrlen,  in ieee80211_rx_mesh_data()
2971 					    &fwd_skb->protocol))  in ieee80211_rx_mesh_data()
2974 		fwd_skb->protocol = htons(fwd_skb->len - hdrlen);  in ieee80211_rx_mesh_data()
2979 	info->control.flags |= IEEE80211_TX_INTCFL_NEED_TXPROCESSING;  in ieee80211_rx_mesh_data()
2980 	info->control.vif = &sdata->vif;  in ieee80211_rx_mesh_data()
2981 	info->control.jiffies = jiffies;  in ieee80211_rx_mesh_data()
2982 	fwd_skb->dev = sdata->dev;  in ieee80211_rx_mesh_data()
2985 		memcpy(fwd_hdr->addr2, sdata->vif.addr, ETH_ALEN);  in ieee80211_rx_mesh_data()
2994 			mesh_path_error_tx(sdata, ifmsh->mshcfg.element_ttl,  in ieee80211_rx_mesh_data()
2997 					   sta->sta.addr);  in ieee80211_rx_mesh_data()
3020 	struct net_device *dev = rx->sdata->dev;  in __ieee80211_rx_h_amsdu()
3021 	struct sk_buff *skb = rx->skb;  in __ieee80211_rx_h_amsdu()
3022 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;  in __ieee80211_rx_h_amsdu()
3023 	__le16 fc = hdr->frame_control;  in __ieee80211_rx_h_amsdu()
3029 	if (unlikely(ieee80211_has_a4(hdr->frame_control))) {  in __ieee80211_rx_h_amsdu()
3032 	} else switch (rx->sdata->vif.type) {  in __ieee80211_rx_h_amsdu()
3038 			if (!test_sta_flag(rx->sta, WLAN_STA_TDLS_PEER))  in __ieee80211_rx_h_amsdu()
3049 	skb->dev = dev;  in __ieee80211_rx_h_amsdu()
3053 					  rx->sdata->vif.addr,  in __ieee80211_rx_h_amsdu()
3054 					  rx->sdata->vif.type,  in __ieee80211_rx_h_amsdu()
3058 	if (rx->sta->amsdu_mesh_control < 0) {  in __ieee80211_rx_h_amsdu()
3059 		s8 valid = -1;  in __ieee80211_rx_h_amsdu()
3068 				valid = -1;  in __ieee80211_rx_h_amsdu()
3075 		rx->sta->amsdu_mesh_control = valid;  in __ieee80211_rx_h_amsdu()
3078 	ieee80211_amsdu_to_8023s(skb, &frame_list, dev->dev_addr,  in __ieee80211_rx_h_amsdu()
3079 				 rx->sdata->vif.type,  in __ieee80211_rx_h_amsdu()
3080 				 rx->local->hw.extra_tx_headroom,  in __ieee80211_rx_h_amsdu()
3082 				 rx->sta->amsdu_mesh_control);  in __ieee80211_rx_h_amsdu()
3085 		rx->skb = __skb_dequeue(&frame_list);  in __ieee80211_rx_h_amsdu()
3087 		res = ieee80211_rx_mesh_data(rx->sdata, rx->sta, rx->skb);  in __ieee80211_rx_h_amsdu()
3104 		dev_kfree_skb(rx->skb);  in __ieee80211_rx_h_amsdu()
3113 	struct sk_buff *skb = rx->skb;  in ieee80211_rx_h_amsdu()
3115 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;  in ieee80211_rx_h_amsdu()
3116 	__le16 fc = hdr->frame_control;  in ieee80211_rx_h_amsdu()
3118 	if (!(status->rx_flags & IEEE80211_RX_AMSDU))  in ieee80211_rx_h_amsdu()
3127 	if (unlikely(ieee80211_has_a4(hdr->frame_control))) {  in ieee80211_rx_h_amsdu()
3128 		switch (rx->sdata->vif.type) {  in ieee80211_rx_h_amsdu()
3130 			if (!rx->sdata->u.vlan.sta)  in ieee80211_rx_h_amsdu()
3134 			if (!rx->sdata->u.mgd.use_4addr)  in ieee80211_rx_h_amsdu()
3144 	if (is_multicast_ether_addr(hdr->addr1) || !rx->sta)  in ieee80211_rx_h_amsdu()
3147 	if (rx->key) {  in ieee80211_rx_h_amsdu()
3149 		 * We should not receive A-MSDUs on pre-HT connections,  in ieee80211_rx_h_amsdu()
3152 		 * A-MSDUs or such.  in ieee80211_rx_h_amsdu()
3154 		switch (rx->key->conf.cipher) {  in ieee80211_rx_h_amsdu()
3170 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_data()
3171 	struct ieee80211_local *local = rx->local;  in ieee80211_rx_h_data()
3172 	struct net_device *dev = sdata->dev;  in ieee80211_rx_h_data()
3173 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_rx_h_data()
3174 	__le16 fc = hdr->frame_control;  in ieee80211_rx_h_data()
3178 	if (unlikely(!ieee80211_is_data(hdr->frame_control)))  in ieee80211_rx_h_data()
3181 	if (unlikely(!ieee80211_is_data_present(hdr->frame_control)))  in ieee80211_rx_h_data()
3185 	 * Send unexpected-4addr-frame event to hostapd. For older versions,  in ieee80211_rx_h_data()
3188 	if (ieee80211_has_a4(hdr->frame_control) &&  in ieee80211_rx_h_data()
3189 	    sdata->vif.type == NL80211_IFTYPE_AP) {  in ieee80211_rx_h_data()
3190 		if (rx->sta &&  in ieee80211_rx_h_data()
3191 		    !test_and_set_sta_flag(rx->sta, WLAN_STA_4ADDR_EVENT))  in ieee80211_rx_h_data()
3193 				rx->sdata->dev, rx->sta->sta.addr, GFP_ATOMIC);  in ieee80211_rx_h_data()
3201 	res = ieee80211_rx_mesh_data(rx->sdata, rx->sta, rx->skb);  in ieee80211_rx_h_data()
3209 	if (unlikely(((struct ethhdr *)rx->skb->data)->h_proto ==  in ieee80211_rx_h_data()
3211 		struct ieee80211_tdls_data *tf = (void *)rx->skb->data;  in ieee80211_rx_h_data()
3213 		if (pskb_may_pull(rx->skb,  in ieee80211_rx_h_data()
3215 		    tf->payload_type == WLAN_TDLS_SNAP_RFTYPE &&  in ieee80211_rx_h_data()
3216 		    tf->category == WLAN_CATEGORY_TDLS &&  in ieee80211_rx_h_data()
3217 		    (tf->action_code == WLAN_TDLS_CHANNEL_SWITCH_REQUEST ||  in ieee80211_rx_h_data()
3218 		     tf->action_code == WLAN_TDLS_CHANNEL_SWITCH_RESPONSE)) {  in ieee80211_rx_h_data()
3219 			rx->skb->protocol = cpu_to_be16(ETH_P_TDLS);  in ieee80211_rx_h_data()
3220 			__ieee80211_queue_skb_to_iface(sdata, rx->link_id,  in ieee80211_rx_h_data()
3221 						       rx->sta, rx->skb);  in ieee80211_rx_h_data()
3226 	if (rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&  in ieee80211_rx_h_data()
3227 	    unlikely(port_control) && sdata->bss) {  in ieee80211_rx_h_data()
3228 		sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,  in ieee80211_rx_h_data()
3230 		dev = sdata->dev;  in ieee80211_rx_h_data()
3231 		rx->sdata = sdata;  in ieee80211_rx_h_data()
3234 	rx->skb->dev = dev;  in ieee80211_rx_h_data()
3236 	if (!ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS) &&  in ieee80211_rx_h_data()
3237 	    local->ps_sdata && local->hw.conf.dynamic_ps_timeout > 0 &&  in ieee80211_rx_h_data()
3239 		    ((struct ethhdr *)rx->skb->data)->h_dest) &&  in ieee80211_rx_h_data()
3240 	    (!local->scanning &&  in ieee80211_rx_h_data()
3241 	     !test_bit(SDATA_STATE_OFFCHANNEL, &sdata->state)))  in ieee80211_rx_h_data()
3242 		mod_timer(&local->dynamic_ps_timer, jiffies +  in ieee80211_rx_h_data()
3243 			  msecs_to_jiffies(local->hw.conf.dynamic_ps_timeout));  in ieee80211_rx_h_data()
3253 	struct sk_buff *skb = rx->skb;  in ieee80211_rx_h_ctrl()
3254 	struct ieee80211_bar *bar = (struct ieee80211_bar *)skb->data;  in ieee80211_rx_h_ctrl()
3259 	if (likely(!ieee80211_is_ctl(bar->frame_control)))  in ieee80211_rx_h_ctrl()
3262 	if (ieee80211_is_back_req(bar->frame_control)) {  in ieee80211_rx_h_ctrl()
3270 		if (!rx->sta)  in ieee80211_rx_h_ctrl()
3279 		if (!test_bit(tid, rx->sta->ampdu_mlme.agg_session_valid) &&  in ieee80211_rx_h_ctrl()
3280 		    !test_and_set_bit(tid, rx->sta->ampdu_mlme.unexpected_agg))  in ieee80211_rx_h_ctrl()
3281 			ieee80211_send_delba(rx->sdata, rx->sta->sta.addr, tid,  in ieee80211_rx_h_ctrl()
3285 		tid_agg_rx = rcu_dereference(rx->sta->ampdu_mlme.tid_rx[tid]);  in ieee80211_rx_h_ctrl()
3292 		event.u.ba.sta = &rx->sta->sta;  in ieee80211_rx_h_ctrl()
3295 		if (tid_agg_rx->timeout)  in ieee80211_rx_h_ctrl()
3296 			mod_timer(&tid_agg_rx->session_timer,  in ieee80211_rx_h_ctrl()
3297 				  TU_TO_EXP_TIME(tid_agg_rx->timeout));  in ieee80211_rx_h_ctrl()
3299 		spin_lock(&tid_agg_rx->reorder_lock);  in ieee80211_rx_h_ctrl()
3301 		ieee80211_release_reorder_frames(rx->sdata, tid_agg_rx,  in ieee80211_rx_h_ctrl()
3303 		spin_unlock(&tid_agg_rx->reorder_lock);  in ieee80211_rx_h_ctrl()
3305 		drv_event_callback(rx->local, rx->sdata, &event);  in ieee80211_rx_h_ctrl()
3323 	struct ieee80211_local *local = sdata->local;  in ieee80211_process_sa_query_req()
3327 	if (!ether_addr_equal(mgmt->da, sdata->vif.addr)) {  in ieee80211_process_sa_query_req()
3332 	if (!ether_addr_equal(mgmt->sa, sdata->vif.cfg.ap_addr) ||  in ieee80211_process_sa_query_req()
3333 	    !ether_addr_equal(mgmt->bssid, sdata->vif.cfg.ap_addr)) {  in ieee80211_process_sa_query_req()
3338 	if (len < 24 + 1 + sizeof(resp->u.action.u.sa_query)) {  in ieee80211_process_sa_query_req()
3343 	skb = dev_alloc_skb(sizeof(*resp) + local->hw.extra_tx_headroom);  in ieee80211_process_sa_query_req()
3347 	skb_reserve(skb, local->hw.extra_tx_headroom);  in ieee80211_process_sa_query_req()
3349 	memcpy(resp->da, sdata->vif.cfg.ap_addr, ETH_ALEN);  in ieee80211_process_sa_query_req()
3350 	memcpy(resp->sa, sdata->vif.addr, ETH_ALEN);  in ieee80211_process_sa_query_req()
3351 	memcpy(resp->bssid, sdata->vif.cfg.ap_addr, ETH_ALEN);  in ieee80211_process_sa_query_req()
3352 	resp->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |  in ieee80211_process_sa_query_req()
3354 	skb_put(skb, 1 + sizeof(resp->u.action.u.sa_query));  in ieee80211_process_sa_query_req()
3355 	resp->u.action.category = WLAN_CATEGORY_SA_QUERY;  in ieee80211_process_sa_query_req()
3356 	resp->u.action.u.sa_query.action = WLAN_ACTION_SA_QUERY_RESPONSE;  in ieee80211_process_sa_query_req()
3357 	memcpy(resp->u.action.u.sa_query.trans_id,  in ieee80211_process_sa_query_req()
3358 	       mgmt->u.action.u.sa_query.trans_id,  in ieee80211_process_sa_query_req()
3367 	struct ieee80211_mgmt *mgmt = (void *)rx->skb->data;  in ieee80211_rx_check_bss_color_collision()
3372 	if (!wiphy_ext_feature_isset(rx->local->hw.wiphy,  in ieee80211_rx_check_bss_color_collision()
3376 	if (ieee80211_hw_check(&rx->local->hw, DETECTS_COLOR_COLLISION))  in ieee80211_rx_check_bss_color_collision()
3379 	bss_conf = rx->link->conf;  in ieee80211_rx_check_bss_color_collision()
3380 	if (bss_conf->csa_active || bss_conf->color_change_active ||  in ieee80211_rx_check_bss_color_collision()
3381 	    !bss_conf->he_bss_color.enabled)  in ieee80211_rx_check_bss_color_collision()
3384 	baselen = mgmt->u.beacon.variable - rx->skb->data;  in ieee80211_rx_check_bss_color_collision()
3385 	if (baselen > rx->skb->len)  in ieee80211_rx_check_bss_color_collision()
3389 				    mgmt->u.beacon.variable,  in ieee80211_rx_check_bss_color_collision()
3390 				    rx->skb->len - baselen);  in ieee80211_rx_check_bss_color_collision()
3391 	if (ie && ie->datalen >= sizeof(struct ieee80211_he_operation) &&  in ieee80211_rx_check_bss_color_collision()
3392 	    ie->datalen >= ieee80211_he_oper_size(ie->data + 1)) {  in ieee80211_rx_check_bss_color_collision()
3396 		he_oper = (void *)(ie->data + 1);  in ieee80211_rx_check_bss_color_collision()
3397 		if (le32_get_bits(he_oper->he_oper_params,  in ieee80211_rx_check_bss_color_collision()
3401 		color = le32_get_bits(he_oper->he_oper_params,  in ieee80211_rx_check_bss_color_collision()
3403 		if (color == bss_conf->he_bss_color.color)  in ieee80211_rx_check_bss_color_collision()
3404 			ieee80211_obss_color_collision_notify(&rx->sdata->vif,  in ieee80211_rx_check_bss_color_collision()
3406 							      bss_conf->link_id);  in ieee80211_rx_check_bss_color_collision()
3413 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;  in ieee80211_rx_h_mgmt_check()
3414 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_h_mgmt_check()
3416 	if (ieee80211_is_s1g_beacon(mgmt->frame_control))  in ieee80211_rx_h_mgmt_check()
3424 	if (rx->skb->len < 24)  in ieee80211_rx_h_mgmt_check()
3427 	if (!ieee80211_is_mgmt(mgmt->frame_control))  in ieee80211_rx_h_mgmt_check()
3431 	if (ieee80211_is_action(mgmt->frame_control) &&  in ieee80211_rx_h_mgmt_check()
3432 	    rx->skb->len < IEEE80211_MIN_ACTION_SIZE)  in ieee80211_rx_h_mgmt_check()
3435 	if (rx->sdata->vif.type == NL80211_IFTYPE_AP &&  in ieee80211_rx_h_mgmt_check()
3436 	    ieee80211_is_beacon(mgmt->frame_control) &&  in ieee80211_rx_h_mgmt_check()
3437 	    !(rx->flags & IEEE80211_RX_BEACON_REPORTED)) {  in ieee80211_rx_h_mgmt_check()
3443 		if (ieee80211_hw_check(&rx->local->hw, SIGNAL_DBM) &&  in ieee80211_rx_h_mgmt_check()
3444 		    !(status->flag & RX_FLAG_NO_SIGNAL_VAL))  in ieee80211_rx_h_mgmt_check()
3445 			sig = status->signal;  in ieee80211_rx_h_mgmt_check()
3447 		cfg80211_report_obss_beacon_khz(rx->local->hw.wiphy,  in ieee80211_rx_h_mgmt_check()
3448 						rx->skb->data, rx->skb->len,  in ieee80211_rx_h_mgmt_check()
3451 		rx->flags |= IEEE80211_RX_BEACON_REPORTED;  in ieee80211_rx_h_mgmt_check()
3460 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)rx->skb->data;  in ieee80211_process_rx_twt_action()
3461 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_process_rx_twt_action()
3464 	if (sdata->vif.type != NL80211_IFTYPE_AP)  in ieee80211_process_rx_twt_action()
3467 	if (!rx->local->ops->add_twt_setup)  in ieee80211_process_rx_twt_action()
3470 	if (!sdata->vif.bss_conf.twt_responder)  in ieee80211_process_rx_twt_action()
3473 	if (!rx->sta)  in ieee80211_process_rx_twt_action()
3476 	switch (mgmt->u.action.u.s1g.action_code) {  in ieee80211_process_rx_twt_action()
3480 		if (rx->skb->len < IEEE80211_MIN_ACTION_SIZE +  in ieee80211_process_rx_twt_action()
3486 		twt = (void *)mgmt->u.action.u.s1g.variable;  in ieee80211_process_rx_twt_action()
3487 		if (twt->element_id != WLAN_EID_S1G_TWT)  in ieee80211_process_rx_twt_action()
3490 		if (rx->skb->len < IEEE80211_MIN_ACTION_SIZE +  in ieee80211_process_rx_twt_action()
3492 				   twt->length)  in ieee80211_process_rx_twt_action()
3498 		if (rx->skb->len < IEEE80211_MIN_ACTION_SIZE + 2)  in ieee80211_process_rx_twt_action()
3512 	struct ieee80211_local *local = rx->local;  in ieee80211_rx_h_action()
3513 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_action()
3514 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;  in ieee80211_rx_h_action()
3515 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_h_action()
3516 	int len = rx->skb->len;  in ieee80211_rx_h_action()
3518 	if (!ieee80211_is_action(mgmt->frame_control))  in ieee80211_rx_h_action()
3521 	if (!rx->sta && mgmt->u.action.category != WLAN_CATEGORY_PUBLIC &&  in ieee80211_rx_h_action()
3522 	    mgmt->u.action.category != WLAN_CATEGORY_SELF_PROTECTED &&  in ieee80211_rx_h_action()
3523 	    mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT)  in ieee80211_rx_h_action()
3526 	switch (mgmt->u.action.category) {  in ieee80211_rx_h_action()
3529 		if (!rx->link_sta->pub->ht_cap.ht_supported)  in ieee80211_rx_h_action()
3532 		if (sdata->vif.type != NL80211_IFTYPE_STATION &&  in ieee80211_rx_h_action()
3533 		    sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&  in ieee80211_rx_h_action()
3534 		    sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&  in ieee80211_rx_h_action()
3535 		    sdata->vif.type != NL80211_IFTYPE_AP &&  in ieee80211_rx_h_action()
3536 		    sdata->vif.type != NL80211_IFTYPE_ADHOC)  in ieee80211_rx_h_action()
3543 		switch (mgmt->u.action.u.ht_smps.action) {  in ieee80211_rx_h_action()
3549 			if (sdata->vif.type != NL80211_IFTYPE_AP &&  in ieee80211_rx_h_action()
3550 			    sdata->vif.type != NL80211_IFTYPE_AP_VLAN)  in ieee80211_rx_h_action()
3554 			switch (mgmt->u.action.u.ht_smps.smps_control) {  in ieee80211_rx_h_action()
3569 			if (rx->link_sta->pub->smps_mode == smps_mode)  in ieee80211_rx_h_action()
3571 			rx->link_sta->pub->smps_mode = smps_mode;  in ieee80211_rx_h_action()
3576 			sband = rx->local->hw.wiphy->bands[status->band];  in ieee80211_rx_h_action()
3578 			rate_control_rate_update(local, sband, rx->link_sta,  in ieee80211_rx_h_action()
3580 			cfg80211_sta_opmode_change_notify(sdata->dev,  in ieee80211_rx_h_action()
3581 							  rx->sta->addr,  in ieee80211_rx_h_action()
3588 			u8 chanwidth = mgmt->u.action.u.ht_notify_cw.chanwidth;  in ieee80211_rx_h_action()
3593 			if (!(rx->link_sta->pub->ht_cap.cap &  in ieee80211_rx_h_action()
3600 				max_bw = ieee80211_sta_cap_rx_bw(rx->link_sta);  in ieee80211_rx_h_action()
3603 			rx->link_sta->cur_max_bandwidth = max_bw;  in ieee80211_rx_h_action()
3604 			new_bw = ieee80211_sta_cur_vht_bw(rx->link_sta);  in ieee80211_rx_h_action()
3606 			if (rx->link_sta->pub->bandwidth == new_bw)  in ieee80211_rx_h_action()
3609 			rx->link_sta->pub->bandwidth = new_bw;  in ieee80211_rx_h_action()
3610 			sband = rx->local->hw.wiphy->bands[status->band];  in ieee80211_rx_h_action()
3612 				ieee80211_sta_rx_bw_to_chan_width(rx->link_sta);  in ieee80211_rx_h_action()
3615 			rate_control_rate_update(local, sband, rx->link_sta,  in ieee80211_rx_h_action()
3617 			cfg80211_sta_opmode_change_notify(sdata->dev,  in ieee80211_rx_h_action()
3618 							  rx->sta->addr,  in ieee80211_rx_h_action()
3632 		if (sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_action()
3634 		if (!rx->sta)  in ieee80211_rx_h_action()
3636 		if (!ether_addr_equal(mgmt->bssid, sdata->deflink.u.mgd.bssid))  in ieee80211_rx_h_action()
3638 		if (mgmt->u.action.u.ext_chan_switch.action_code !=  in ieee80211_rx_h_action()
3646 		if (sdata->vif.type != NL80211_IFTYPE_STATION &&  in ieee80211_rx_h_action()
3647 		    sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&  in ieee80211_rx_h_action()
3648 		    sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&  in ieee80211_rx_h_action()
3649 		    sdata->vif.type != NL80211_IFTYPE_AP &&  in ieee80211_rx_h_action()
3650 		    sdata->vif.type != NL80211_IFTYPE_ADHOC)  in ieee80211_rx_h_action()
3657 		switch (mgmt->u.action.u.vht_opmode_notif.action_code) {  in ieee80211_rx_h_action()
3674 		if (sdata->vif.type != NL80211_IFTYPE_STATION &&  in ieee80211_rx_h_action()
3675 		    sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&  in ieee80211_rx_h_action()
3676 		    sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&  in ieee80211_rx_h_action()
3677 		    sdata->vif.type != NL80211_IFTYPE_AP &&  in ieee80211_rx_h_action()
3678 		    sdata->vif.type != NL80211_IFTYPE_ADHOC)  in ieee80211_rx_h_action()
3685 		switch (mgmt->u.action.u.addba_req.action_code) {  in ieee80211_rx_h_action()
3688 				   sizeof(mgmt->u.action.u.addba_req)))  in ieee80211_rx_h_action()
3693 				   sizeof(mgmt->u.action.u.addba_resp)))  in ieee80211_rx_h_action()
3698 				   sizeof(mgmt->u.action.u.delba)))  in ieee80211_rx_h_action()
3711 		switch (mgmt->u.action.u.measurement.action_code) {  in ieee80211_rx_h_action()
3713 			if (status->band != NL80211_BAND_5GHZ)  in ieee80211_rx_h_action()
3717 				   sizeof(mgmt->u.action.u.measurement)))  in ieee80211_rx_h_action()
3720 			if (sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_action()
3728 				   sizeof(mgmt->u.action.u.chan_switch)))  in ieee80211_rx_h_action()
3731 			if (sdata->vif.type != NL80211_IFTYPE_STATION &&  in ieee80211_rx_h_action()
3732 			    sdata->vif.type != NL80211_IFTYPE_ADHOC &&  in ieee80211_rx_h_action()
3733 			    sdata->vif.type != NL80211_IFTYPE_MESH_POINT)  in ieee80211_rx_h_action()
3736 			if (sdata->vif.type == NL80211_IFTYPE_STATION)  in ieee80211_rx_h_action()
3737 				bssid = sdata->deflink.u.mgd.bssid;  in ieee80211_rx_h_action()
3738 			else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)  in ieee80211_rx_h_action()
3739 				bssid = sdata->u.ibss.bssid;  in ieee80211_rx_h_action()
3740 			else if (sdata->vif.type == NL80211_IFTYPE_MESH_POINT)  in ieee80211_rx_h_action()
3741 				bssid = mgmt->sa;  in ieee80211_rx_h_action()
3745 			if (!ether_addr_equal(mgmt->bssid, bssid))  in ieee80211_rx_h_action()
3754 			   sizeof(mgmt->u.action.u.self_prot.action_code)))  in ieee80211_rx_h_action()
3757 		switch (mgmt->u.action.u.self_prot.action_code) {  in ieee80211_rx_h_action()
3761 			if (!ieee80211_vif_is_mesh(&sdata->vif))  in ieee80211_rx_h_action()
3763 			if (sdata->u.mesh.user_mpm)  in ieee80211_rx_h_action()
3769 			if (!ieee80211_vif_is_mesh(&sdata->vif))  in ieee80211_rx_h_action()
3776 			   sizeof(mgmt->u.action.u.mesh_action.action_code)))  in ieee80211_rx_h_action()
3779 		if (!ieee80211_vif_is_mesh(&sdata->vif))  in ieee80211_rx_h_action()
3790 		switch (mgmt->u.action.u.s1g.action_code) {  in ieee80211_rx_h_action()
3805 		switch (mgmt->u.action.u.ttlm_req.action_code) {  in ieee80211_rx_h_action()
3807 			if (sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_action()
3815 			if (sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_action()
3823 			if (sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_action()
3843 	status->rx_flags |= IEEE80211_RX_MALFORMED_ACTION_FRM;  in ieee80211_rx_h_action()
3848 	if (rx->sta)  in ieee80211_rx_h_action()
3849 		rx->link_sta->rx_stats.packets++;  in ieee80211_rx_h_action()
3850 	dev_kfree_skb(rx->skb);  in ieee80211_rx_h_action()
3854 	ieee80211_queue_skb_to_iface(sdata, rx->link_id, rx->sta, rx->skb);  in ieee80211_rx_h_action()
3861 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_h_userspace_mgmt()
3864 		.buf = rx->skb->data,  in ieee80211_rx_h_userspace_mgmt()
3865 		.len = rx->skb->len,  in ieee80211_rx_h_userspace_mgmt()
3866 		.link_id = rx->link_id,  in ieee80211_rx_h_userspace_mgmt()
3867 		.have_link_id = rx->link_id >= 0,  in ieee80211_rx_h_userspace_mgmt()
3870 	/* skip known-bad action frames and return them in the next handler */  in ieee80211_rx_h_userspace_mgmt()
3871 	if (status->rx_flags & IEEE80211_RX_MALFORMED_ACTION_FRM)  in ieee80211_rx_h_userspace_mgmt()
3881 	if (ieee80211_hw_check(&rx->local->hw, SIGNAL_DBM) &&  in ieee80211_rx_h_userspace_mgmt()
3882 	    !(status->flag & RX_FLAG_NO_SIGNAL_VAL))  in ieee80211_rx_h_userspace_mgmt()
3883 		info.sig_dbm = status->signal;  in ieee80211_rx_h_userspace_mgmt()
3885 	if (ieee80211_is_timing_measurement(rx->skb) ||  in ieee80211_rx_h_userspace_mgmt()
3886 	    ieee80211_is_ftm(rx->skb)) {  in ieee80211_rx_h_userspace_mgmt()
3887 		info.rx_tstamp = ktime_to_ns(skb_hwtstamps(rx->skb)->hwtstamp);  in ieee80211_rx_h_userspace_mgmt()
3888 		info.ack_tstamp = ktime_to_ns(status->ack_tx_hwtstamp);  in ieee80211_rx_h_userspace_mgmt()
3891 	if (cfg80211_rx_mgmt_ext(&rx->sdata->wdev, &info)) {  in ieee80211_rx_h_userspace_mgmt()
3892 		if (rx->sta)  in ieee80211_rx_h_userspace_mgmt()
3893 			rx->link_sta->rx_stats.packets++;  in ieee80211_rx_h_userspace_mgmt()
3894 		dev_kfree_skb(rx->skb);  in ieee80211_rx_h_userspace_mgmt()
3904 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_action_post_userspace()
3905 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;  in ieee80211_rx_h_action_post_userspace()
3906 	int len = rx->skb->len;  in ieee80211_rx_h_action_post_userspace()
3908 	if (!ieee80211_is_action(mgmt->frame_control))  in ieee80211_rx_h_action_post_userspace()
3911 	switch (mgmt->u.action.category) {  in ieee80211_rx_h_action_post_userspace()
3914 			   sizeof(mgmt->u.action.u.sa_query)))  in ieee80211_rx_h_action_post_userspace()
3917 		switch (mgmt->u.action.u.sa_query.action) {  in ieee80211_rx_h_action_post_userspace()
3919 			if (sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_action_post_userspace()
3930 	if (rx->sta)  in ieee80211_rx_h_action_post_userspace()
3931 		rx->link_sta->rx_stats.packets++;  in ieee80211_rx_h_action_post_userspace()
3932 	dev_kfree_skb(rx->skb);  in ieee80211_rx_h_action_post_userspace()
3939 	struct ieee80211_local *local = rx->local;  in ieee80211_rx_h_action_return()
3940 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;  in ieee80211_rx_h_action_return()
3942 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_action_return()
3943 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_h_action_return()
3945 	if (!ieee80211_is_action(mgmt->frame_control))  in ieee80211_rx_h_action_return()
3953 	 * 802.11-2012 9.24.4.  in ieee80211_rx_h_action_return()
3958 	if (!(status->rx_flags & IEEE80211_RX_MALFORMED_ACTION_FRM) &&  in ieee80211_rx_h_action_return()
3959 	    (sdata->vif.type == NL80211_IFTYPE_AP ||  in ieee80211_rx_h_action_return()
3960 	     sdata->vif.type == NL80211_IFTYPE_AP_VLAN))  in ieee80211_rx_h_action_return()
3963 	if (is_multicast_ether_addr(mgmt->da))  in ieee80211_rx_h_action_return()
3967 	if (mgmt->u.action.category & 0x80)  in ieee80211_rx_h_action_return()
3970 	nskb = skb_copy_expand(rx->skb, local->hw.extra_tx_headroom, 0,  in ieee80211_rx_h_action_return()
3973 		struct ieee80211_mgmt *nmgmt = (void *)nskb->data;  in ieee80211_rx_h_action_return()
3975 		nmgmt->u.action.category |= 0x80;  in ieee80211_rx_h_action_return()
3976 		memcpy(nmgmt->da, nmgmt->sa, ETH_ALEN);  in ieee80211_rx_h_action_return()
3977 		memcpy(nmgmt->sa, rx->sdata->vif.addr, ETH_ALEN);  in ieee80211_rx_h_action_return()
3979 		memset(nskb->cb, 0, sizeof(nskb->cb));  in ieee80211_rx_h_action_return()
3981 		if (rx->sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) {  in ieee80211_rx_h_action_return()
3984 			info->flags = IEEE80211_TX_CTL_TX_OFFCHAN |  in ieee80211_rx_h_action_return()
3987 			if (ieee80211_hw_check(&local->hw, QUEUE_CONTROL))  in ieee80211_rx_h_action_return()
3988 				info->hw_queue =  in ieee80211_rx_h_action_return()
3989 					local->hw.offchannel_tx_hw_queue;  in ieee80211_rx_h_action_return()
3992 		__ieee80211_tx_skb_tid_band(rx->sdata, nskb, 7, -1,  in ieee80211_rx_h_action_return()
3993 					    status->band);  in ieee80211_rx_h_action_return()
4002 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_ext()
4003 	struct ieee80211_hdr *hdr = (void *)rx->skb->data;  in ieee80211_rx_h_ext()
4005 	if (!ieee80211_is_ext(hdr->frame_control))  in ieee80211_rx_h_ext()
4008 	if (sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_ext()
4012 	ieee80211_queue_skb_to_iface(sdata, rx->link_id, rx->sta, rx->skb);  in ieee80211_rx_h_ext()
4020 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_mgmt()
4021 	struct ieee80211_mgmt *mgmt = (void *)rx->skb->data;  in ieee80211_rx_h_mgmt()
4024 	stype = mgmt->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);  in ieee80211_rx_h_mgmt()
4026 	if (!ieee80211_vif_is_mesh(&sdata->vif) &&  in ieee80211_rx_h_mgmt()
4027 	    sdata->vif.type != NL80211_IFTYPE_ADHOC &&  in ieee80211_rx_h_mgmt()
4028 	    sdata->vif.type != NL80211_IFTYPE_OCB &&  in ieee80211_rx_h_mgmt()
4029 	    sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_mgmt()
4039 		if (is_multicast_ether_addr(mgmt->da) &&  in ieee80211_rx_h_mgmt()
4040 		    !is_broadcast_ether_addr(mgmt->da))  in ieee80211_rx_h_mgmt()
4044 		if (sdata->vif.type != NL80211_IFTYPE_STATION &&  in ieee80211_rx_h_mgmt()
4045 		    sdata->vif.type != NL80211_IFTYPE_ADHOC)  in ieee80211_rx_h_mgmt()
4051 		if (is_multicast_ether_addr(mgmt->da) &&  in ieee80211_rx_h_mgmt()
4052 		    !is_broadcast_ether_addr(mgmt->da))  in ieee80211_rx_h_mgmt()
4056 		if (sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_mgmt()
4061 		if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&  in ieee80211_rx_h_mgmt()
4062 		    sdata->vif.type != NL80211_IFTYPE_MESH_POINT)  in ieee80211_rx_h_mgmt()
4069 	ieee80211_queue_skb_to_iface(sdata, rx->link_id, rx->sta, rx->skb);  in ieee80211_rx_h_mgmt()
4079 	struct ieee80211_local *local = rx->local;  in ieee80211_rx_cooked_monitor()
4080 	struct sk_buff *skb = rx->skb, *skb2;  in ieee80211_rx_cooked_monitor()
4089 	if (rx->flags & IEEE80211_RX_CMNTR)  in ieee80211_rx_cooked_monitor()
4091 	rx->flags |= IEEE80211_RX_CMNTR;  in ieee80211_rx_cooked_monitor()
4094 	if (!local->cooked_mntrs)  in ieee80211_rx_cooked_monitor()
4109 	skb->ip_summed = CHECKSUM_UNNECESSARY;  in ieee80211_rx_cooked_monitor()
4110 	skb->pkt_type = PACKET_OTHERHOST;  in ieee80211_rx_cooked_monitor()
4111 	skb->protocol = htons(ETH_P_802_2);  in ieee80211_rx_cooked_monitor()
4113 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {  in ieee80211_rx_cooked_monitor()
4117 		if (sdata->vif.type != NL80211_IFTYPE_MONITOR ||  in ieee80211_rx_cooked_monitor()
4118 		    !(sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES))  in ieee80211_rx_cooked_monitor()
4124 				skb2->dev = prev_dev;  in ieee80211_rx_cooked_monitor()
4129 		prev_dev = sdata->dev;  in ieee80211_rx_cooked_monitor()
4130 		dev_sw_netstats_rx_add(sdata->dev, skb->len);  in ieee80211_rx_cooked_monitor()
4134 		skb->dev = prev_dev;  in ieee80211_rx_cooked_monitor()
4146 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_handlers_result()
4151 		I802_DEBUG_INC(rx->sdata->local->rx_handlers_queued);  in ieee80211_rx_handlers_result()
4156 		I802_DEBUG_INC(rx->sdata->local->rx_handlers_drop);  in ieee80211_rx_handlers_result()
4157 		if (rx->sta)  in ieee80211_rx_handlers_result()
4158 			rx->link_sta->rx_stats.dropped++;  in ieee80211_rx_handlers_result()
4163 		kfree_skb_reason(rx->skb, (__force u32)res);  in ieee80211_rx_handlers_result()
4167 	sband = rx->local->hw.wiphy->bands[status->band];  in ieee80211_rx_handlers_result()
4168 	if (status->encoding == RX_ENC_LEGACY)  in ieee80211_rx_handlers_result()
4169 		rate = &sband->bitrates[status->rate_idx];  in ieee80211_rx_handlers_result()
4193 	spin_lock_bh(&rx->local->rx_path_lock);  in ieee80211_rx_handlers()
4201 		rx->skb = skb;  in ieee80211_rx_handlers()
4203 		if (WARN_ON_ONCE(!rx->link))  in ieee80211_rx_handlers()
4212 		/* must be after MMIC verify so header is counted in MPDU mic */  in ieee80211_rx_handlers()
4216 		/* special treatment -- needs the queue */  in ieee80211_rx_handlers()
4235 	spin_unlock_bh(&rx->local->rx_path_lock);  in ieee80211_rx_handlers()
4269 	return !!(sta->valid_links & BIT(link_id));  in ieee80211_rx_is_valid_sta_link_id()
4275 	rx->link_id = link_id;  in ieee80211_rx_data_set_link()
4276 	rx->link = rcu_dereference(rx->sdata->link[link_id]);  in ieee80211_rx_data_set_link()
4278 	if (!rx->sta)  in ieee80211_rx_data_set_link()
4279 		return rx->link;  in ieee80211_rx_data_set_link()
4281 	if (!ieee80211_rx_is_valid_sta_link_id(&rx->sta->sta, link_id))  in ieee80211_rx_data_set_link()
4284 	rx->link_sta = rcu_dereference(rx->sta->link[link_id]);  in ieee80211_rx_data_set_link()
4286 	return rx->link && rx->link_sta;  in ieee80211_rx_data_set_link()
4292 	rx->link_id = link_id;  in ieee80211_rx_data_set_sta()
4293 	rx->sta = sta;  in ieee80211_rx_data_set_sta()
4296 		rx->local = sta->sdata->local;  in ieee80211_rx_data_set_sta()
4297 		if (!rx->sdata)  in ieee80211_rx_data_set_sta()
4298 			rx->sdata = sta->sdata;  in ieee80211_rx_data_set_sta()
4299 		rx->link_sta = &sta->deflink;  in ieee80211_rx_data_set_sta()
4301 		rx->link_sta = NULL;  in ieee80211_rx_data_set_sta()
4305 		rx->link = &rx->sdata->deflink;  in ieee80211_rx_data_set_sta()
4320 		/* This is OK -- must be QoS data frame */  in ieee80211_release_reorder_timeout()
4325 	int link_id = -1;  in ieee80211_release_reorder_timeout()
4328 	if (sta->sta.valid_links)  in ieee80211_release_reorder_timeout()
4329 		link_id = ffs(sta->sta.valid_links) - 1;  in ieee80211_release_reorder_timeout()
4334 	tid_agg_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[tid]);  in ieee80211_release_reorder_timeout()
4340 	spin_lock(&tid_agg_rx->reorder_lock);  in ieee80211_release_reorder_timeout()
4341 	ieee80211_sta_reorder_release(sta->sdata, tid_agg_rx, &frames);  in ieee80211_release_reorder_timeout()
4342 	spin_unlock(&tid_agg_rx->reorder_lock);  in ieee80211_release_reorder_timeout()
4348 			.u.ba.sta = &sta->sta,  in ieee80211_release_reorder_timeout()
4365 		/* This is OK -- must be QoS data frame */  in ieee80211_mark_rx_ba_filtered_frames()
4378 	local = sta->sdata->local;  in ieee80211_mark_rx_ba_filtered_frames()
4379 	WARN_ONCE(local->hw.max_rx_aggregation_subframes > 64,  in ieee80211_mark_rx_ba_filtered_frames()
4381 		  local->hw.max_rx_aggregation_subframes);  in ieee80211_mark_rx_ba_filtered_frames()
4383 	if (!ieee80211_rx_data_set_sta(&rx, sta, -1))  in ieee80211_mark_rx_ba_filtered_frames()
4387 	tid_agg_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[tid]);  in ieee80211_mark_rx_ba_filtered_frames()
4391 	spin_lock_bh(&tid_agg_rx->reorder_lock);  in ieee80211_mark_rx_ba_filtered_frames()
4397 		release = (tid_agg_rx->head_seq_num + tid_agg_rx->buf_size) %  in ieee80211_mark_rx_ba_filtered_frames()
4399 		ieee80211_release_reorder_frames(sta->sdata, tid_agg_rx,  in ieee80211_mark_rx_ba_filtered_frames()
4402 		tid_agg_rx->head_seq_num = ssn;  in ieee80211_mark_rx_ba_filtered_frames()
4404 		ieee80211_release_reorder_frames(sta->sdata, tid_agg_rx, ssn,  in ieee80211_mark_rx_ba_filtered_frames()
4409 	 * it can be tid_agg_rx->buf_size behind and still be valid */  in ieee80211_mark_rx_ba_filtered_frames()
4410 	diff = (tid_agg_rx->head_seq_num - ssn) & IEEE80211_SN_MASK;  in ieee80211_mark_rx_ba_filtered_frames()
4411 	if (diff >= tid_agg_rx->buf_size) {  in ieee80211_mark_rx_ba_filtered_frames()
4412 		tid_agg_rx->reorder_buf_filtered = 0;  in ieee80211_mark_rx_ba_filtered_frames()
4419 	for (i = 0; i < tid_agg_rx->buf_size; i++) {  in ieee80211_mark_rx_ba_filtered_frames()
4420 		int index = (ssn + i) % tid_agg_rx->buf_size;  in ieee80211_mark_rx_ba_filtered_frames()
4422 		tid_agg_rx->reorder_buf_filtered &= ~BIT_ULL(index);  in ieee80211_mark_rx_ba_filtered_frames()
4424 			tid_agg_rx->reorder_buf_filtered |= BIT_ULL(index);  in ieee80211_mark_rx_ba_filtered_frames()
4428 	ieee80211_sta_reorder_release(sta->sdata, tid_agg_rx, &frames);  in ieee80211_mark_rx_ba_filtered_frames()
4431 	spin_unlock_bh(&tid_agg_rx->reorder_lock);  in ieee80211_mark_rx_ba_filtered_frames()
4450 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_accept_frame()
4451 	struct sk_buff *skb = rx->skb;  in ieee80211_accept_frame()
4452 	struct ieee80211_hdr *hdr = (void *)skb->data;  in ieee80211_accept_frame()
4454 	u8 *bssid = ieee80211_get_bssid(hdr, skb->len, sdata->vif.type);  in ieee80211_accept_frame()
4455 	bool multicast = is_multicast_ether_addr(hdr->addr1) ||  in ieee80211_accept_frame()
4456 			 ieee80211_is_s1g_beacon(hdr->frame_control);  in ieee80211_accept_frame()
4458 	switch (sdata->vif.type) {  in ieee80211_accept_frame()
4460 		if (!bssid && !sdata->u.mgd.use_4addr)  in ieee80211_accept_frame()
4462 		if (ieee80211_is_first_frag(hdr->seq_ctrl) &&  in ieee80211_accept_frame()
4463 		    ieee80211_is_robust_mgmt_frame(skb) && !rx->sta)  in ieee80211_accept_frame()
4467 		return ieee80211_is_our_addr(sdata, hdr->addr1, &rx->link_id);  in ieee80211_accept_frame()
4471 		if (ether_addr_equal(sdata->vif.addr, hdr->addr2) ||  in ieee80211_accept_frame()
4472 		    ether_addr_equal(sdata->u.ibss.bssid, hdr->addr2) ||  in ieee80211_accept_frame()
4473 		    !is_valid_ether_addr(hdr->addr2))  in ieee80211_accept_frame()
4475 		if (ieee80211_is_beacon(hdr->frame_control))  in ieee80211_accept_frame()
4477 		if (!ieee80211_bssid_match(bssid, sdata->u.ibss.bssid))  in ieee80211_accept_frame()
4480 		    !ether_addr_equal(sdata->vif.addr, hdr->addr1))  in ieee80211_accept_frame()
4482 		if (!rx->sta) {  in ieee80211_accept_frame()
4484 			if (status->encoding != RX_ENC_LEGACY)  in ieee80211_accept_frame()
4487 				rate_idx = status->rate_idx;  in ieee80211_accept_frame()
4488 			ieee80211_ibss_rx_no_sta(sdata, bssid, hdr->addr2,  in ieee80211_accept_frame()
4495 		if (!ieee80211_is_data_present(hdr->frame_control))  in ieee80211_accept_frame()
4500 		    !ether_addr_equal(sdata->dev->dev_addr, hdr->addr1))  in ieee80211_accept_frame()
4502 		if (!rx->sta) {  in ieee80211_accept_frame()
4504 			if (status->encoding != RX_ENC_LEGACY)  in ieee80211_accept_frame()
4507 				rate_idx = status->rate_idx;  in ieee80211_accept_frame()
4508 			ieee80211_ocb_rx_no_sta(sdata, bssid, hdr->addr2,  in ieee80211_accept_frame()
4513 		if (ether_addr_equal(sdata->vif.addr, hdr->addr2))  in ieee80211_accept_frame()
4517 		return ether_addr_equal(sdata->vif.addr, hdr->addr1);  in ieee80211_accept_frame()
4521 			return ieee80211_is_our_addr(sdata, hdr->addr1,  in ieee80211_accept_frame()
4522 						     &rx->link_id);  in ieee80211_accept_frame()
4533 			    !ieee80211_is_our_addr(sdata, hdr->addr1,  in ieee80211_accept_frame()
4534 						   &rx->link_id))  in ieee80211_accept_frame()
4536 			if (ieee80211_is_public_action(hdr, skb->len))  in ieee80211_accept_frame()
4538 			return ieee80211_is_beacon(hdr->frame_control);  in ieee80211_accept_frame()
4541 		if (!ieee80211_has_tods(hdr->frame_control)) {  in ieee80211_accept_frame()
4542 			/* ignore data frames to TDLS-peers */  in ieee80211_accept_frame()
4543 			if (ieee80211_is_data(hdr->frame_control))  in ieee80211_accept_frame()
4545 			/* ignore action frames to TDLS-peers */  in ieee80211_accept_frame()
4546 			if (ieee80211_is_action(hdr->frame_control) &&  in ieee80211_accept_frame()
4548 			    !ether_addr_equal(bssid, hdr->addr1))  in ieee80211_accept_frame()
4553 		 * 802.11-2016 Table 9-26 says that for data frames, A1 must be  in ieee80211_accept_frame()
4554 		 * the BSSID - we've checked that already but may have accepted  in ieee80211_accept_frame()
4569 		if (ieee80211_is_data(hdr->frame_control) && multicast)  in ieee80211_accept_frame()
4574 		return ieee80211_is_public_action(hdr, skb->len) ||  in ieee80211_accept_frame()
4575 		       ieee80211_is_probe_req(hdr->frame_control) ||  in ieee80211_accept_frame()
4576 		       ieee80211_is_probe_resp(hdr->frame_control) ||  in ieee80211_accept_frame()
4577 		       ieee80211_is_beacon(hdr->frame_control) ||  in ieee80211_accept_frame()
4578 		       (ieee80211_is_auth(hdr->frame_control) &&  in ieee80211_accept_frame()
4579 			ether_addr_equal(sdata->vif.addr, hdr->addr1));  in ieee80211_accept_frame()
4593 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in ieee80211_check_fast_rx()
4594 	struct ieee80211_local *local = sdata->local;  in ieee80211_check_fast_rx()
4597 		.dev = sdata->dev,  in ieee80211_check_fast_rx()
4598 		.vif_type = sdata->vif.type,  in ieee80211_check_fast_rx()
4599 		.control_port_protocol = sdata->control_port_protocol,  in ieee80211_check_fast_rx()
4612 	ether_addr_copy(fastrx.vif_addr, sdata->vif.addr);  in ieee80211_check_fast_rx()
4614 	fastrx.uses_rss = ieee80211_hw_check(&local->hw, USES_RSS);  in ieee80211_check_fast_rx()
4616 	/* fast-rx doesn't do reordering */  in ieee80211_check_fast_rx()
4617 	if (ieee80211_hw_check(&local->hw, AMPDU_AGGREGATION) &&  in ieee80211_check_fast_rx()
4618 	    !ieee80211_hw_check(&local->hw, SUPPORTS_REORDERING_BUFFER))  in ieee80211_check_fast_rx()
4621 	switch (sdata->vif.type) {  in ieee80211_check_fast_rx()
4623 		if (sta->sta.tdls) {  in ieee80211_check_fast_rx()
4634 		if (sdata->u.mgd.use_4addr && !sta->sta.tdls) {  in ieee80211_check_fast_rx()
4641 		if (!sdata->u.mgd.powersave)  in ieee80211_check_fast_rx()
4645 		if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK))  in ieee80211_check_fast_rx()
4647 		if (ieee80211_hw_check(&local->hw, SUPPORTS_PS) &&  in ieee80211_check_fast_rx()
4648 		    !ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))  in ieee80211_check_fast_rx()
4653 		/* parallel-rx requires this, at least with calls to  in ieee80211_check_fast_rx()
4656 		if (!ieee80211_hw_check(&local->hw, AP_LINK_PS))  in ieee80211_check_fast_rx()
4663 			!(sdata->flags & IEEE80211_SDATA_DONT_BRIDGE_PACKETS) &&  in ieee80211_check_fast_rx()
4664 			(sdata->vif.type != NL80211_IFTYPE_AP_VLAN ||  in ieee80211_check_fast_rx()
4665 			 !sdata->u.vlan.sta);  in ieee80211_check_fast_rx()
4667 		if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&  in ieee80211_check_fast_rx()
4668 		    sdata->u.vlan.sta) {  in ieee80211_check_fast_rx()
4690 	key = rcu_dereference(sta->ptk[sta->ptk_idx]);  in ieee80211_check_fast_rx()
4692 		key = rcu_dereference(sdata->default_unicast_key);  in ieee80211_check_fast_rx()
4694 		switch (key->conf.cipher) {  in ieee80211_check_fast_rx()
4696 			/* we don't want to deal with MMIC in fast-rx */  in ieee80211_check_fast_rx()
4711 		fastrx.icv_len = key->conf.icv_len;  in ieee80211_check_fast_rx()
4723 	offload_flags = get_bss_sdata(sdata)->vif.offload_flags;  in ieee80211_check_fast_rx()
4732 		drv_sta_set_decap_offload(local, sdata, &sta->sta, assign);  in ieee80211_check_fast_rx()
4734 	spin_lock_bh(&sta->lock);  in ieee80211_check_fast_rx()
4735 	old = rcu_dereference_protected(sta->fast_rx, true);  in ieee80211_check_fast_rx()
4736 	rcu_assign_pointer(sta->fast_rx, new);  in ieee80211_check_fast_rx()
4737 	spin_unlock_bh(&sta->lock);  in ieee80211_check_fast_rx()
4747 	spin_lock_bh(&sta->lock);  in ieee80211_clear_fast_rx()
4748 	old = rcu_dereference_protected(sta->fast_rx, true);  in ieee80211_clear_fast_rx()
4749 	RCU_INIT_POINTER(sta->fast_rx, NULL);  in ieee80211_clear_fast_rx()
4750 	spin_unlock_bh(&sta->lock);  in ieee80211_clear_fast_rx()
4758 	struct ieee80211_local *local = sdata->local;  in __ieee80211_check_fast_rx_iface()
4761 	lockdep_assert_wiphy(local->hw.wiphy);  in __ieee80211_check_fast_rx_iface()
4763 	list_for_each_entry(sta, &local->sta_list, list) {  in __ieee80211_check_fast_rx_iface()
4764 		if (sdata != sta->sdata &&  in __ieee80211_check_fast_rx_iface()
4765 		    (!sta->sdata->bss || sta->sdata->bss != sdata->bss))  in __ieee80211_check_fast_rx_iface()
4773 	struct ieee80211_local *local = sdata->local;  in ieee80211_check_fast_rx_iface()
4775 	lockdep_assert_wiphy(local->hw.wiphy);  in ieee80211_check_fast_rx_iface()
4785 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_8023()
4786 	struct sta_info *sta = rx->sta;  in ieee80211_rx_8023()
4788 	struct sk_buff *skb = rx->skb;  in ieee80211_rx_8023()
4789 	void *sa = skb->data + ETH_ALEN;  in ieee80211_rx_8023()
4790 	void *da = skb->data;  in ieee80211_rx_8023()
4792 	if (rx->link_id >= 0) {  in ieee80211_rx_8023()
4793 		link_sta = rcu_dereference(sta->link[rx->link_id]);  in ieee80211_rx_8023()
4795 			dev_kfree_skb(rx->skb);  in ieee80211_rx_8023()
4799 		link_sta = &sta->deflink;  in ieee80211_rx_8023()
4802 	stats = &link_sta->rx_stats;  in ieee80211_rx_8023()
4803 	if (fast_rx->uses_rss)  in ieee80211_rx_8023()
4804 		stats = this_cpu_ptr(link_sta->pcpu_rx_stats);  in ieee80211_rx_8023()
4807 	if (!(status->flag & RX_FLAG_NO_SIGNAL_VAL)) {  in ieee80211_rx_8023()
4808 		stats->last_signal = status->signal;  in ieee80211_rx_8023()
4809 		if (!fast_rx->uses_rss)  in ieee80211_rx_8023()
4810 			ewma_signal_add(&link_sta->rx_stats_avg.signal,  in ieee80211_rx_8023()
4811 					-status->signal);  in ieee80211_rx_8023()
4814 	if (status->chains) {  in ieee80211_rx_8023()
4817 		stats->chains = status->chains;  in ieee80211_rx_8023()
4818 		for (i = 0; i < ARRAY_SIZE(status->chain_signal); i++) {  in ieee80211_rx_8023()
4819 			int signal = status->chain_signal[i];  in ieee80211_rx_8023()
4821 			if (!(status->chains & BIT(i)))  in ieee80211_rx_8023()
4824 			stats->chain_signal_last[i] = signal;  in ieee80211_rx_8023()
4825 			if (!fast_rx->uses_rss)  in ieee80211_rx_8023()
4826 				ewma_signal_add(&link_sta->rx_stats_avg.chain_signal[i],  in ieee80211_rx_8023()
4827 						-signal);  in ieee80211_rx_8023()
4832 	stats->last_rx = jiffies;  in ieee80211_rx_8023()
4833 	stats->last_rate = sta_stats_encode_rate(status);  in ieee80211_rx_8023()
4835 	stats->fragments++;  in ieee80211_rx_8023()
4836 	stats->packets++;  in ieee80211_rx_8023()
4838 	skb->dev = fast_rx->dev;  in ieee80211_rx_8023()
4840 	dev_sw_netstats_rx_add(fast_rx->dev, skb->len);  in ieee80211_rx_8023()
4844 	 * for non-QoS-data frames. Here we know it's a data  in ieee80211_rx_8023()
4847 	u64_stats_update_begin(&stats->syncp);  in ieee80211_rx_8023()
4848 	stats->msdu[rx->seqno_idx]++;  in ieee80211_rx_8023()
4849 	stats->bytes += orig_len;  in ieee80211_rx_8023()
4850 	u64_stats_update_end(&stats->syncp);  in ieee80211_rx_8023()
4852 	if (fast_rx->internal_forward) {  in ieee80211_rx_8023()
4857 			   sta_info_get(rx->sdata, da)) {  in ieee80211_rx_8023()
4868 			xmit_skb->priority += 256;  in ieee80211_rx_8023()
4869 			xmit_skb->protocol = htons(ETH_P_802_3);  in ieee80211_rx_8023()
4880 	skb->protocol = eth_type_trans(skb, fast_rx->dev);  in ieee80211_rx_8023()
4887 	struct sk_buff *skb = rx->skb;  in ieee80211_invoke_fast_rx()
4888 	struct ieee80211_hdr *hdr = (void *)skb->data;  in ieee80211_invoke_fast_rx()
4891 	int orig_len = skb->len;  in ieee80211_invoke_fast_rx()
4892 	int hdrlen = ieee80211_hdrlen(hdr->frame_control);  in ieee80211_invoke_fast_rx()
4904 	/* for parallel-rx, we need to have DUP_VALIDATED, otherwise we write  in ieee80211_invoke_fast_rx()
4908 	if (!(status->flag & RX_FLAG_DUP_VALIDATED))  in ieee80211_invoke_fast_rx()
4914 	 *  - PN_VALIDATED: similar, but the implementation is tricky  in ieee80211_invoke_fast_rx()
4915 	 *  - DECRYPTED: necessary for PN_VALIDATED  in ieee80211_invoke_fast_rx()
4917 	if (fast_rx->key &&  in ieee80211_invoke_fast_rx()
4918 	    (status->flag & FAST_RX_CRYPT_FLAGS) != FAST_RX_CRYPT_FLAGS)  in ieee80211_invoke_fast_rx()
4921 	if (unlikely(!ieee80211_is_data_present(hdr->frame_control)))  in ieee80211_invoke_fast_rx()
4936 	if (!ether_addr_equal(fast_rx->vif_addr, hdr->addr1))  in ieee80211_invoke_fast_rx()
4939 	if ((hdr->frame_control & cpu_to_le16(IEEE80211_FCTL_FROMDS |  in ieee80211_invoke_fast_rx()
4941 	    fast_rx->expected_ds_bits)  in ieee80211_invoke_fast_rx()
4945 	 * and strip the IV/MIC if necessary  in ieee80211_invoke_fast_rx()
4947 	if (fast_rx->key && !(status->flag & RX_FLAG_IV_STRIPPED)) {  in ieee80211_invoke_fast_rx()
4952 	if (!ieee80211_vif_is_mesh(&rx->sdata->vif) &&  in ieee80211_invoke_fast_rx()
4953 	    !(status->rx_flags & IEEE80211_RX_AMSDU)) {  in ieee80211_invoke_fast_rx()
4957 		payload = (void *)(skb->data + snap_offs);  in ieee80211_invoke_fast_rx()
4959 		if (!ether_addr_equal(payload->snap, fast_rx->rfc1042_hdr))  in ieee80211_invoke_fast_rx()
4964 		 * bridge-tunnel header - but if we get them this way then  in ieee80211_invoke_fast_rx()
4967 		if (unlikely(payload->proto == cpu_to_be16(ETH_P_TDLS) ||  in ieee80211_invoke_fast_rx()
4968 			     payload->proto == fast_rx->control_port_protocol))  in ieee80211_invoke_fast_rx()
4974 	if (rx->key && !(status->flag & RX_FLAG_MIC_STRIPPED) &&  in ieee80211_invoke_fast_rx()
4975 	    pskb_trim(skb, skb->len - fast_rx->icv_len))  in ieee80211_invoke_fast_rx()
4978 	if (rx->key && !ieee80211_has_protected(hdr->frame_control))  in ieee80211_invoke_fast_rx()
4981 	if (status->rx_flags & IEEE80211_RX_AMSDU) {  in ieee80211_invoke_fast_rx()
4982 		if (__ieee80211_rx_h_amsdu(rx, snap_offs - hdrlen) !=  in ieee80211_invoke_fast_rx()
4989 	/* do the header conversion - first grab the addresses */  in ieee80211_invoke_fast_rx()
4990 	ether_addr_copy(addrs.da, skb->data + fast_rx->da_offs);  in ieee80211_invoke_fast_rx()
4991 	ether_addr_copy(addrs.sa, skb->data + fast_rx->sa_offs);  in ieee80211_invoke_fast_rx()
4992 	if (ieee80211_vif_is_mesh(&rx->sdata->vif)) {  in ieee80211_invoke_fast_rx()
4993 	    skb_pull(skb, snap_offs - 2);  in ieee80211_invoke_fast_rx()
4994 	    put_unaligned_be16(skb->len - 2, skb->data);  in ieee80211_invoke_fast_rx()
4996 	    skb_postpull_rcsum(skb, skb->data + snap_offs,  in ieee80211_invoke_fast_rx()
5005 	res = ieee80211_rx_mesh_data(rx->sdata, rx->sta, rx->skb);  in ieee80211_invoke_fast_rx()
5021 	if (fast_rx->uses_rss)  in ieee80211_invoke_fast_rx()
5022 		stats = this_cpu_ptr(rx->link_sta->pcpu_rx_stats);  in ieee80211_invoke_fast_rx()
5024 		stats = &rx->link_sta->rx_stats;  in ieee80211_invoke_fast_rx()
5026 	stats->dropped++;  in ieee80211_invoke_fast_rx()
5039 	struct ieee80211_local *local = rx->local;  in ieee80211_prepare_and_rx_handle()
5040 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_prepare_and_rx_handle()
5041 	struct ieee80211_hdr *hdr = (void *)skb->data;  in ieee80211_prepare_and_rx_handle()
5042 	struct link_sta_info *link_sta = rx->link_sta;  in ieee80211_prepare_and_rx_handle()
5043 	struct ieee80211_link_data *link = rx->link;  in ieee80211_prepare_and_rx_handle()
5045 	rx->skb = skb;  in ieee80211_prepare_and_rx_handle()
5047 	/* See if we can do fast-rx; if we have to copy we already lost,  in ieee80211_prepare_and_rx_handle()
5054 	if (consume && rx->sta) {  in ieee80211_prepare_and_rx_handle()
5057 		fast_rx = rcu_dereference(rx->sta->fast_rx);  in ieee80211_prepare_and_rx_handle()
5068 		rx->skb = skb_copy(skb, GFP_ATOMIC);  in ieee80211_prepare_and_rx_handle()
5069 		if (!rx->skb) {  in ieee80211_prepare_and_rx_handle()
5071 				wiphy_debug(local->hw.wiphy,  in ieee80211_prepare_and_rx_handle()
5073 					sdata->name);  in ieee80211_prepare_and_rx_handle()
5080 		shwt = skb_hwtstamps(rx->skb);  in ieee80211_prepare_and_rx_handle()
5081 		shwt->hwtstamp = skb_hwtstamps(skb)->hwtstamp;  in ieee80211_prepare_and_rx_handle()
5084 		hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_prepare_and_rx_handle()
5087 	if (unlikely(rx->sta && rx->sta->sta.mlo) &&  in ieee80211_prepare_and_rx_handle()
5088 	    is_unicast_ether_addr(hdr->addr1) &&  in ieee80211_prepare_and_rx_handle()
5089 	    !ieee80211_is_probe_resp(hdr->frame_control) &&  in ieee80211_prepare_and_rx_handle()
5090 	    !ieee80211_is_beacon(hdr->frame_control)) {  in ieee80211_prepare_and_rx_handle()
5092 		if (ether_addr_equal(link->conf->addr, hdr->addr1))  in ieee80211_prepare_and_rx_handle()
5093 			ether_addr_copy(hdr->addr1, rx->sdata->vif.addr);  in ieee80211_prepare_and_rx_handle()
5094 		if (ether_addr_equal(link_sta->addr, hdr->addr2))  in ieee80211_prepare_and_rx_handle()
5095 			ether_addr_copy(hdr->addr2, rx->sta->addr);  in ieee80211_prepare_and_rx_handle()
5097 		if (!ieee80211_has_tods(hdr->frame_control) &&  in ieee80211_prepare_and_rx_handle()
5098 		    !ieee80211_has_fromds(hdr->frame_control)) {  in ieee80211_prepare_and_rx_handle()
5099 			if (ether_addr_equal(link_sta->addr, hdr->addr3))  in ieee80211_prepare_and_rx_handle()
5100 				ether_addr_copy(hdr->addr3, rx->sta->addr);  in ieee80211_prepare_and_rx_handle()
5101 			else if (ether_addr_equal(link->conf->addr, hdr->addr3))  in ieee80211_prepare_and_rx_handle()
5102 				ether_addr_copy(hdr->addr3, rx->sdata->vif.addr);  in ieee80211_prepare_and_rx_handle()
5121 	int link_id = -1;  in __ieee80211_rx_handle_8023()
5127 	rx.link_id = -1;  in __ieee80211_rx_handle_8023()
5129 	I802_DEBUG_INC(local->dot11ReceivedFragmentCount);  in __ieee80211_rx_handle_8023()
5132 	if (skb->len < sizeof(struct ethhdr))  in __ieee80211_rx_handle_8023()
5138 	if (status->link_valid)  in __ieee80211_rx_handle_8023()
5139 		link_id = status->link_id;  in __ieee80211_rx_handle_8023()
5152 	fast_rx = rcu_dereference(rx.sta->fast_rx);  in __ieee80211_rx_handle_8023()
5156 	ieee80211_rx_8023(&rx, fast_rx, skb->len);  in __ieee80211_rx_handle_8023()
5167 	struct ieee80211_hdr *hdr = (void *)skb->data;  in ieee80211_rx_for_interface()
5169 	int link_id = -1;  in ieee80211_rx_for_interface()
5177 	link_sta = link_sta_info_get_bss(rx->sdata, hdr->addr2);  in ieee80211_rx_for_interface()
5179 		sta = link_sta->sta;  in ieee80211_rx_for_interface()
5180 		link_id = link_sta->link_id;  in ieee80211_rx_for_interface()
5184 		sta = sta_info_get_bss(rx->sdata, hdr->addr2);  in ieee80211_rx_for_interface()
5185 		if (status->link_valid)  in ieee80211_rx_for_interface()
5186 			link_id = status->link_id;  in ieee80211_rx_for_interface()
5214 	fc = ((struct ieee80211_hdr *)skb->data)->frame_control;  in __ieee80211_rx_handle_packet()
5219 	rx.link_id = -1;  in __ieee80211_rx_handle_packet()
5222 		I802_DEBUG_INC(local->dot11ReceivedFragmentCount);  in __ieee80211_rx_handle_packet()
5226 		if (skb->len < ieee80211_hdrlen(fc))  in __ieee80211_rx_handle_packet()
5227 			err = -ENOBUFS;  in __ieee80211_rx_handle_packet()
5239 	hdr = (struct ieee80211_hdr *)skb->data;  in __ieee80211_rx_handle_packet()
5243 	if (unlikely(ieee80211_is_probe_resp(hdr->frame_control) ||  in __ieee80211_rx_handle_packet()
5244 		     ieee80211_is_beacon(hdr->frame_control) ||  in __ieee80211_rx_handle_packet()
5245 		     ieee80211_is_s1g_beacon(hdr->frame_control)))  in __ieee80211_rx_handle_packet()
5250 		int link_id = -1;  in __ieee80211_rx_handle_packet()
5252 		if (status->link_valid)  in __ieee80211_rx_handle_packet()
5253 			link_id = status->link_id;  in __ieee80211_rx_handle_packet()
5268 			if (!status->link_valid && pubsta->mlo) {  in __ieee80211_rx_handle_packet()
5272 								 hdr->addr2);  in __ieee80211_rx_handle_packet()
5276 				ieee80211_rx_data_set_link(&rx, link_sta->link_id);  in __ieee80211_rx_handle_packet()
5286 		for_each_sta_info(local, hdr->addr2, sta, tmp) {  in __ieee80211_rx_handle_packet()
5292 			rx.sdata = prev_sta->sdata;  in __ieee80211_rx_handle_packet()
5296 			if (!status->link_valid && prev_sta->sta.mlo)  in __ieee80211_rx_handle_packet()
5305 			rx.sdata = prev_sta->sdata;  in __ieee80211_rx_handle_packet()
5309 			if (!status->link_valid && prev_sta->sta.mlo)  in __ieee80211_rx_handle_packet()
5320 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {  in __ieee80211_rx_handle_packet()
5324 		if (sdata->vif.type == NL80211_IFTYPE_MONITOR ||  in __ieee80211_rx_handle_packet()
5325 		    sdata->vif.type == NL80211_IFTYPE_AP_VLAN)  in __ieee80211_rx_handle_packet()
5367 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;  in ieee80211_rx_list()
5371 	if (WARN_ON(status->band >= NUM_NL80211_BANDS))  in ieee80211_rx_list()
5374 	sband = local->hw.wiphy->bands[status->band];  in ieee80211_rx_list()
5385 	if (unlikely(local->quiescing || local->suspended))  in ieee80211_rx_list()
5389 	if (unlikely(local->in_reconfig))  in ieee80211_rx_list()
5396 	if (WARN_ON(!local->started))  in ieee80211_rx_list()
5399 	if (likely(!(status->flag & RX_FLAG_FAILED_PLCP_CRC))) {  in ieee80211_rx_list()
5405 		switch (status->encoding) {  in ieee80211_rx_list()
5408 			 * rate_idx is MCS index, which can be [0-76]  in ieee80211_rx_list()
5417 			if (WARN(status->rate_idx > 76,  in ieee80211_rx_list()
5419 				 "status->rate_idx is not "  in ieee80211_rx_list()
5420 				 "an MCS index [0-76]: %d (0x%02x)\n",  in ieee80211_rx_list()
5421 				 status->rate_idx,  in ieee80211_rx_list()
5422 				 status->rate_idx))  in ieee80211_rx_list()
5426 			if (WARN_ONCE(status->rate_idx > 11 ||  in ieee80211_rx_list()
5427 				      !status->nss ||  in ieee80211_rx_list()
5428 				      status->nss > 8,  in ieee80211_rx_list()
5430 				      status->rate_idx, status->nss))  in ieee80211_rx_list()
5434 			if (WARN_ONCE(status->rate_idx > 11 ||  in ieee80211_rx_list()
5435 				      !status->nss ||  in ieee80211_rx_list()
5436 				      status->nss > 8,  in ieee80211_rx_list()
5438 				      status->rate_idx, status->nss))  in ieee80211_rx_list()
5442 			if (WARN_ONCE(status->rate_idx > 15 ||  in ieee80211_rx_list()
5443 				      !status->nss ||  in ieee80211_rx_list()
5444 				      status->nss > 8 ||  in ieee80211_rx_list()
5445 				      status->eht.gi > NL80211_RATE_INFO_EHT_GI_3_2,  in ieee80211_rx_list()
5447 				      status->rate_idx, status->nss, status->eht.gi))  in ieee80211_rx_list()
5454 			if (WARN_ON(status->rate_idx >= sband->n_bitrates))  in ieee80211_rx_list()
5456 			rate = &sband->bitrates[status->rate_idx];  in ieee80211_rx_list()
5460 	if (WARN_ON_ONCE(status->link_id >= IEEE80211_LINK_UNSPECIFIED))  in ieee80211_rx_list()
5463 	status->rx_flags = 0;  in ieee80211_rx_list()
5473 	if (!(status->flag & RX_FLAG_8023))  in ieee80211_rx_list()
5476 		if ((status->flag & RX_FLAG_8023) ||  in ieee80211_rx_list()
5477 			ieee80211_is_data_present(hdr->frame_control))  in ieee80211_rx_list()
5478 			ieee80211_tpt_led_trig_rx(local, skb->len);  in ieee80211_rx_list()
5480 		if (status->flag & RX_FLAG_8023)  in ieee80211_rx_list()
5502 	 * and this requires that we are in a read-side RCU section during  in ieee80211_rx_napi()
5527 	BUILD_BUG_ON(sizeof(struct ieee80211_rx_status) > sizeof(skb->cb));  in ieee80211_rx_irqsafe()
5529 	skb->pkt_type = IEEE80211_RX_MSG;  in ieee80211_rx_irqsafe()
5530 	skb_queue_tail(&local->skb_queue, skb);  in ieee80211_rx_irqsafe()
5531 	tasklet_schedule(&local->tasklet);  in ieee80211_rx_irqsafe()