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 <jbenc@suse.cz>
6  * Copyright 2007-2010	Johannes Berg <johannes@sipsolutions.net>
7  * Copyright 2013-2014  Intel Mobile Communications GmbH
8  * Copyright(c) 2015 - 2017 Intel Deutschland GmbH
9  * Copyright (C) 2018-2024 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_DELIM_CRC_KNOWN)  in ieee80211_add_rx_radiotap_header()
513 		if (status->flag & RX_FLAG_AMPDU_EOF_BIT_KNOWN)  in ieee80211_add_rx_radiotap_header()
515 		if (status->flag & RX_FLAG_AMPDU_EOF_BIT)  in ieee80211_add_rx_radiotap_header()
517 		put_unaligned_le16(flags, pos);  in ieee80211_add_rx_radiotap_header()
518 		pos += 2;  in ieee80211_add_rx_radiotap_header()
519 		if (status->flag & RX_FLAG_AMPDU_DELIM_CRC_KNOWN)  in ieee80211_add_rx_radiotap_header()
520 			*pos++ = status->ampdu_delimiter_crc;  in ieee80211_add_rx_radiotap_header()
522 			*pos++ = 0;  in ieee80211_add_rx_radiotap_header()
523 		*pos++ = 0;  in ieee80211_add_rx_radiotap_header()
526 	if (status->encoding == RX_ENC_VHT) {  in ieee80211_add_rx_radiotap_header()
527 		u16 known = local->hw.radiotap_vht_details;  in ieee80211_add_rx_radiotap_header()
529 		rthdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_VHT));  in ieee80211_add_rx_radiotap_header()
530 		put_unaligned_le16(known, pos);  in ieee80211_add_rx_radiotap_header()
531 		pos += 2;  in ieee80211_add_rx_radiotap_header()
533 		if (status->enc_flags & RX_ENC_FLAG_SHORT_GI)  in ieee80211_add_rx_radiotap_header()
534 			*pos |= IEEE80211_RADIOTAP_VHT_FLAG_SGI;  in ieee80211_add_rx_radiotap_header()
536 		if (status->enc_flags & RX_ENC_FLAG_STBC_MASK)  in ieee80211_add_rx_radiotap_header()
537 			*pos |= IEEE80211_RADIOTAP_VHT_FLAG_STBC;  in ieee80211_add_rx_radiotap_header()
538 		if (status->enc_flags & RX_ENC_FLAG_BF)  in ieee80211_add_rx_radiotap_header()
539 			*pos |= IEEE80211_RADIOTAP_VHT_FLAG_BEAMFORMED;  in ieee80211_add_rx_radiotap_header()
540 		pos++;  in ieee80211_add_rx_radiotap_header()
542 		switch (status->bw) {  in ieee80211_add_rx_radiotap_header()
544 			*pos++ = 4;  in ieee80211_add_rx_radiotap_header()
547 			*pos++ = 11;  in ieee80211_add_rx_radiotap_header()
550 			*pos++ = 1;  in ieee80211_add_rx_radiotap_header()
553 			*pos++ = 0;  in ieee80211_add_rx_radiotap_header()
556 		*pos = (status->rate_idx << 4) | status->nss;  in ieee80211_add_rx_radiotap_header()
557 		pos += 4;  in ieee80211_add_rx_radiotap_header()
559 		if (status->enc_flags & RX_ENC_FLAG_LDPC)  in ieee80211_add_rx_radiotap_header()
560 			*pos |= IEEE80211_RADIOTAP_CODING_LDPC_USER0;  in ieee80211_add_rx_radiotap_header()
561 		pos++;  in ieee80211_add_rx_radiotap_header()
563 		pos++;  in ieee80211_add_rx_radiotap_header()
565 		pos += 2;  in ieee80211_add_rx_radiotap_header()
568 	if (local->hw.radiotap_timestamp.units_pos >= 0) {  in ieee80211_add_rx_radiotap_header()
573 		rthdr->it_present |=  in ieee80211_add_rx_radiotap_header()
577 		while ((pos - (u8 *)rthdr) & 7)  in ieee80211_add_rx_radiotap_header()
578 			pos++;  in ieee80211_add_rx_radiotap_header()
580 		if (status->flag & RX_FLAG_MACTIME_IS_RTAP_TS64) {  in ieee80211_add_rx_radiotap_header()
582 			ts = status->mactime;  in ieee80211_add_rx_radiotap_header()
585 			ts = status->device_timestamp;  in ieee80211_add_rx_radiotap_header()
588 		put_unaligned_le64(ts, pos);  in ieee80211_add_rx_radiotap_header()
589 		pos += sizeof(u64);  in ieee80211_add_rx_radiotap_header()
591 		if (local->hw.radiotap_timestamp.accuracy >= 0) {  in ieee80211_add_rx_radiotap_header()
592 			accuracy = local->hw.radiotap_timestamp.accuracy;  in ieee80211_add_rx_radiotap_header()
595 		put_unaligned_le16(accuracy, pos);  in ieee80211_add_rx_radiotap_header()
596 		pos += sizeof(u16);  in ieee80211_add_rx_radiotap_header()
598 		*pos++ = local->hw.radiotap_timestamp.units_pos;  in ieee80211_add_rx_radiotap_header()
599 		*pos++ = flags;  in ieee80211_add_rx_radiotap_header()
602 	if (status->encoding == RX_ENC_HE &&  in ieee80211_add_rx_radiotap_header()
603 	    status->flag & RX_FLAG_RADIOTAP_HE) {  in ieee80211_add_rx_radiotap_header()
606 		if (status->enc_flags & RX_ENC_FLAG_STBC_MASK) {  in ieee80211_add_rx_radiotap_header()
609 						      status->enc_flags));  in ieee80211_add_rx_radiotap_header()
612 			he.data6 |= HE_PREP(DATA6_NSTS, status->nss);  in ieee80211_add_rx_radiotap_header()
623 		he.data3 |= HE_PREP(DATA3_DATA_MCS, status->rate_idx);  in ieee80211_add_rx_radiotap_header()
624 		he.data3 |= HE_PREP(DATA3_DATA_DCM, status->he_dcm);  in ieee80211_add_rx_radiotap_header()
626 				    !!(status->enc_flags & RX_ENC_FLAG_LDPC));  in ieee80211_add_rx_radiotap_header()
628 		he.data5 |= HE_PREP(DATA5_GI, status->he_gi);  in ieee80211_add_rx_radiotap_header()
630 		switch (status->bw) {  in ieee80211_add_rx_radiotap_header()
661 					    status->he_ru + 4);  in ieee80211_add_rx_radiotap_header()
664 			WARN_ONCE(1, "Invalid SU BW %d\n", status->bw);  in ieee80211_add_rx_radiotap_header()
668 		while ((pos - (u8 *)rthdr) & 1)  in ieee80211_add_rx_radiotap_header()
669 			pos++;  in ieee80211_add_rx_radiotap_header()
670 		rthdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_HE));  in ieee80211_add_rx_radiotap_header()
671 		memcpy(pos, &he, sizeof(he));  in ieee80211_add_rx_radiotap_header()
672 		pos += sizeof(he);  in ieee80211_add_rx_radiotap_header()
675 	if (status->encoding == RX_ENC_HE &&  in ieee80211_add_rx_radiotap_header()
676 	    status->flag & RX_FLAG_RADIOTAP_HE_MU) {  in ieee80211_add_rx_radiotap_header()
678 		while ((pos - (u8 *)rthdr) & 1)  in ieee80211_add_rx_radiotap_header()
679 			pos++;  in ieee80211_add_rx_radiotap_header()
680 		rthdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_HE_MU));  in ieee80211_add_rx_radiotap_header()
681 		memcpy(pos, &he_mu, sizeof(he_mu));  in ieee80211_add_rx_radiotap_header()
682 		pos += sizeof(he_mu);  in ieee80211_add_rx_radiotap_header()
685 	if (status->flag & RX_FLAG_NO_PSDU) {  in ieee80211_add_rx_radiotap_header()
686 		rthdr->it_present |=  in ieee80211_add_rx_radiotap_header()
688 		*pos++ = status->zero_length_psdu_type;  in ieee80211_add_rx_radiotap_header()
691 	if (status->flag & RX_FLAG_RADIOTAP_LSIG) {  in ieee80211_add_rx_radiotap_header()
693 		while ((pos - (u8 *)rthdr) & 1)  in ieee80211_add_rx_radiotap_header()
694 			pos++;  in ieee80211_add_rx_radiotap_header()
695 		rthdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_LSIG));  in ieee80211_add_rx_radiotap_header()
696 		memcpy(pos, &lsig, sizeof(lsig));  in ieee80211_add_rx_radiotap_header()
697 		pos += sizeof(lsig);  in ieee80211_add_rx_radiotap_header()
701 		*pos++ = status->chain_signal[chain];  in ieee80211_add_rx_radiotap_header()
702 		*pos++ = chain;  in ieee80211_add_rx_radiotap_header()
718 	needed_headroom = rt_hdrlen - rtap_space;  in ieee80211_make_monitor_skb()
753 	skb->ip_summed = CHECKSUM_UNNECESSARY;  in ieee80211_make_monitor_skb()
754 	skb->pkt_type = PACKET_OTHERHOST;  in ieee80211_make_monitor_skb()
755 	skb->protocol = htons(ETH_P_802_2);  in ieee80211_make_monitor_skb()
762  * returns a cleaned-up SKB that no longer includes the FCS nor the
775 		rcu_dereference(local->monitor_sdata);  in ieee80211_rx_monitor()
779 	if (WARN_ON_ONCE(status->flag & RX_FLAG_RADIOTAP_TLV_AT_END &&  in ieee80211_rx_monitor()
786 	if (status->flag & RX_FLAG_RADIOTAP_HE)  in ieee80211_rx_monitor()
789 	if (status->flag & RX_FLAG_RADIOTAP_HE_MU)  in ieee80211_rx_monitor()
792 	if (status->flag & RX_FLAG_RADIOTAP_LSIG)  in ieee80211_rx_monitor()
795 	if (status->flag & RX_FLAG_RADIOTAP_TLV_AT_END)  in ieee80211_rx_monitor()
796 		rtap_space += skb_mac_header(origskb) - &origskb->data[rtap_space];  in ieee80211_rx_monitor()
809 	if (!(status->flag & RX_FLAG_NO_PSDU)) {  in ieee80211_rx_monitor()
810 		if (ieee80211_hw_check(&local->hw, RX_INCLUDES_FCS)) {  in ieee80211_rx_monitor()
811 			if (unlikely(origskb->len <= FCS_LEN + rtap_space)) {  in ieee80211_rx_monitor()
820 		/* also consider the hdr->frame_control */  in ieee80211_rx_monitor()
832 	if (!local->monitors || (status->flag & RX_FLAG_SKIP_MONITOR)) {  in ieee80211_rx_monitor()
844 	list_for_each_entry_rcu(sdata, &local->mon_list, u.mntr.list) {  in ieee80211_rx_monitor()
845 		bool last_monitor = list_is_last(&sdata->u.mntr.list,  in ieee80211_rx_monitor()
846 						 &local->mon_list);  in ieee80211_rx_monitor()
865 				skb->dev = sdata->dev;  in ieee80211_rx_monitor()
866 				dev_sw_netstats_rx_add(skb->dev, skb->len);  in ieee80211_rx_monitor()
887 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_parse_qos()
888 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_parse_qos()
892 	if (ieee80211_is_data_qos(hdr->frame_control)) {  in ieee80211_parse_qos()
897 			status->rx_flags |= IEEE80211_RX_AMSDU;  in ieee80211_parse_qos()
903 		 * IEEE 802.11-2007, 7.1.3.4.1 ("Sequence Number field"):  in ieee80211_parse_qos()
907 		 *	Address 1 field, and all non-QoS data frames sent  in ieee80211_parse_qos()
909 		 *	modulo-4096 counter, [...]  in ieee80211_parse_qos()
911 		 * We also use that counter for non-QoS STAs.  in ieee80211_parse_qos()
915 		if (ieee80211_is_mgmt(hdr->frame_control))  in ieee80211_parse_qos()
920 	rx->seqno_idx = seqno_idx;  in ieee80211_parse_qos()
921 	rx->security_idx = security_idx;  in ieee80211_parse_qos()
922 	/* Set skb->priority to 1d tag if highest order bit of TID is not set.  in ieee80211_parse_qos()
923 	 * For now, set skb->priority to 0 for other cases. */  in ieee80211_parse_qos()
924 	rx->skb->priority = (tid > 7) ? 0 : tid;  in ieee80211_parse_qos()
930  * Drivers always need to pass packets that are aligned to two-byte boundaries
934  * guarantees that the contained IP header is aligned to a four-byte
936  * payload to a four-byte boundary (because either the IP header is directly
942  * With A-MSDU frames, however, the payload data address must yield two modulo
943  * four because there are 14-byte 802.3 headers within the A-MSDU frames that
945  * specs were sane enough this time around to require padding each A-MSDU
955 	WARN_ON_ONCE((unsigned long)rx->skb->data & 1);  in ieee80211_verify_alignment()
964 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;  in ieee80211_is_unicast_robust_mgmt_frame()
966 	if (is_multicast_ether_addr(hdr->addr1))  in ieee80211_is_unicast_robust_mgmt_frame()
975 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;  in ieee80211_is_multicast_robust_mgmt_frame()
977 	if (!is_multicast_ether_addr(hdr->addr1))  in ieee80211_is_multicast_robust_mgmt_frame()
984 /* Get the BIP key index from MMIE; return -1 if this is not a BIP frame */
987 	struct ieee80211_mgmt *hdr = (struct ieee80211_mgmt *) skb->data;  in ieee80211_get_mmie_keyidx()
991 	if (skb->len < 24 + sizeof(*mmie) || !is_multicast_ether_addr(hdr->da))  in ieee80211_get_mmie_keyidx()
992 		return -1;  in ieee80211_get_mmie_keyidx()
995 	    !ieee80211_is_beacon(hdr->frame_control))  in ieee80211_get_mmie_keyidx()
996 		return -1; /* not a robust management frame */  in ieee80211_get_mmie_keyidx()
999 		(skb->data + skb->len - sizeof(*mmie));  in ieee80211_get_mmie_keyidx()
1000 	if (mmie->element_id == WLAN_EID_MMIE &&  in ieee80211_get_mmie_keyidx()
1001 	    mmie->length == sizeof(*mmie) - 2)  in ieee80211_get_mmie_keyidx()
1002 		return le16_to_cpu(mmie->key_id);  in ieee80211_get_mmie_keyidx()
1005 		(skb->data + skb->len - sizeof(*mmie16));  in ieee80211_get_mmie_keyidx()
1006 	if (skb->len >= 24 + sizeof(*mmie16) &&  in ieee80211_get_mmie_keyidx()
1007 	    mmie16->element_id == WLAN_EID_MMIE &&  in ieee80211_get_mmie_keyidx()
1008 	    mmie16->length == sizeof(*mmie16) - 2)  in ieee80211_get_mmie_keyidx()
1009 		return le16_to_cpu(mmie16->key_id);  in ieee80211_get_mmie_keyidx()
1011 	return -1;  in ieee80211_get_mmie_keyidx()
1016 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;  in ieee80211_get_keyid()
1017 	__le16 fc = hdr->frame_control;  in ieee80211_get_keyid()
1022 	if (unlikely(skb->len < hdrlen + IEEE80211_WEP_IV_LEN))  in ieee80211_get_keyid()
1023 		return -EINVAL;  in ieee80211_get_keyid()
1034 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_rx_mesh_check()
1035 	char *dev_addr = rx->sdata->vif.addr;  in ieee80211_rx_mesh_check()
1037 	if (ieee80211_is_data(hdr->frame_control)) {  in ieee80211_rx_mesh_check()
1038 		if (is_multicast_ether_addr(hdr->addr1)) {  in ieee80211_rx_mesh_check()
1039 			if (ieee80211_has_tods(hdr->frame_control) ||  in ieee80211_rx_mesh_check()
1040 			    !ieee80211_has_fromds(hdr->frame_control))  in ieee80211_rx_mesh_check()
1042 			if (ether_addr_equal(hdr->addr3, dev_addr))  in ieee80211_rx_mesh_check()
1045 			if (!ieee80211_has_a4(hdr->frame_control))  in ieee80211_rx_mesh_check()
1047 			if (ether_addr_equal(hdr->addr4, dev_addr))  in ieee80211_rx_mesh_check()
1056 	if (!rx->sta || sta_plink_state(rx->sta) != NL80211_PLINK_ESTAB) {  in ieee80211_rx_mesh_check()
1059 		if (!ieee80211_is_mgmt(hdr->frame_control))  in ieee80211_rx_mesh_check()
1062 		if (ieee80211_is_action(hdr->frame_control)) {  in ieee80211_rx_mesh_check()
1066 			if (rx->skb->len < IEEE80211_MIN_ACTION_SIZE)  in ieee80211_rx_mesh_check()
1070 			category = mgmt->u.action.category;  in ieee80211_rx_mesh_check()
1077 		if (ieee80211_is_probe_req(hdr->frame_control) ||  in ieee80211_rx_mesh_check()
1078 		    ieee80211_is_probe_resp(hdr->frame_control) ||  in ieee80211_rx_mesh_check()
1079 		    ieee80211_is_beacon(hdr->frame_control) ||  in ieee80211_rx_mesh_check()
1080 		    ieee80211_is_auth(hdr->frame_control))  in ieee80211_rx_mesh_check()
1092 	struct sk_buff_head *frames = &tid_agg_rx->reorder_buf[index];  in ieee80211_rx_reorder_ready()
1096 	if (tid_agg_rx->reorder_buf_filtered &&  in ieee80211_rx_reorder_ready()
1097 	    tid_agg_rx->reorder_buf_filtered & BIT_ULL(index))  in ieee80211_rx_reorder_ready()
1104 	if (status->flag & RX_FLAG_AMSDU_MORE)  in ieee80211_rx_reorder_ready()
1115 	struct sk_buff_head *skb_list = &tid_agg_rx->reorder_buf[index];  in ieee80211_release_reorder_frame()
1119 	lockdep_assert_held(&tid_agg_rx->reorder_lock);  in ieee80211_release_reorder_frame()
1130 	tid_agg_rx->stored_mpdu_num--;  in ieee80211_release_reorder_frame()
1133 		status->rx_flags |= IEEE80211_RX_DEFERRED_RELEASE;  in ieee80211_release_reorder_frame()
1138 	if (tid_agg_rx->reorder_buf_filtered)  in ieee80211_release_reorder_frame()
1139 		tid_agg_rx->reorder_buf_filtered &= ~BIT_ULL(index);  in ieee80211_release_reorder_frame()
1140 	tid_agg_rx->head_seq_num = ieee80211_sn_inc(tid_agg_rx->head_seq_num);  in ieee80211_release_reorder_frame()
1150 	lockdep_assert_held(&tid_agg_rx->reorder_lock);  in ieee80211_release_reorder_frames()
1152 	while (ieee80211_sn_less(tid_agg_rx->head_seq_num, head_seq_num)) {  in ieee80211_release_reorder_frames()
1153 		index = tid_agg_rx->head_seq_num % tid_agg_rx->buf_size;  in ieee80211_release_reorder_frames()
1166  * Callers must hold tid_agg_rx->reorder_lock.
1176 	lockdep_assert_held(&tid_agg_rx->reorder_lock);  in ieee80211_sta_reorder_release()
1179 	index = tid_agg_rx->head_seq_num % tid_agg_rx->buf_size;  in ieee80211_sta_reorder_release()
1181 	    tid_agg_rx->stored_mpdu_num) {  in ieee80211_sta_reorder_release()
1187 		for (j = (index + 1) % tid_agg_rx->buf_size; j != index;  in ieee80211_sta_reorder_release()
1188 		     j = (j + 1) % tid_agg_rx->buf_size) {  in ieee80211_sta_reorder_release()
1194 			    !time_after(jiffies, tid_agg_rx->reorder_time[j] +  in ieee80211_sta_reorder_release()
1198 			/* don't leave incomplete A-MSDUs around */  in ieee80211_sta_reorder_release()
1199 			for (i = (index + 1) % tid_agg_rx->buf_size; i != j;  in ieee80211_sta_reorder_release()
1200 			     i = (i + 1) % tid_agg_rx->buf_size)  in ieee80211_sta_reorder_release()
1201 				__skb_queue_purge(&tid_agg_rx->reorder_buf[i]);  in ieee80211_sta_reorder_release()
1211 			tid_agg_rx->head_seq_num =  in ieee80211_sta_reorder_release()
1212 				(tid_agg_rx->head_seq_num +  in ieee80211_sta_reorder_release()
1219 		index =	tid_agg_rx->head_seq_num % tid_agg_rx->buf_size;  in ieee80211_sta_reorder_release()
1222 	if (tid_agg_rx->stored_mpdu_num) {  in ieee80211_sta_reorder_release()
1223 		j = index = tid_agg_rx->head_seq_num % tid_agg_rx->buf_size;  in ieee80211_sta_reorder_release()
1225 		for (; j != (index - 1) % tid_agg_rx->buf_size;  in ieee80211_sta_reorder_release()
1226 		     j = (j + 1) % tid_agg_rx->buf_size) {  in ieee80211_sta_reorder_release()
1233 		if (!tid_agg_rx->removed)  in ieee80211_sta_reorder_release()
1234 			mod_timer(&tid_agg_rx->reorder_timer,  in ieee80211_sta_reorder_release()
1235 				  tid_agg_rx->reorder_time[j] + 1 +  in ieee80211_sta_reorder_release()
1238 		del_timer(&tid_agg_rx->reorder_timer);  in ieee80211_sta_reorder_release()
1252 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;  in ieee80211_sta_manage_reorder_buf()
1259 	spin_lock(&tid_agg_rx->reorder_lock);  in ieee80211_sta_manage_reorder_buf()
1265 	if (unlikely(tid_agg_rx->auto_seq)) {  in ieee80211_sta_manage_reorder_buf()
1266 		tid_agg_rx->auto_seq = false;  in ieee80211_sta_manage_reorder_buf()
1267 		tid_agg_rx->ssn = mpdu_seq_num;  in ieee80211_sta_manage_reorder_buf()
1268 		tid_agg_rx->head_seq_num = mpdu_seq_num;  in ieee80211_sta_manage_reorder_buf()
1271 	buf_size = tid_agg_rx->buf_size;  in ieee80211_sta_manage_reorder_buf()
1272 	head_seq_num = tid_agg_rx->head_seq_num;  in ieee80211_sta_manage_reorder_buf()
1278 	if (unlikely(!tid_agg_rx->started)) {  in ieee80211_sta_manage_reorder_buf()
1283 		tid_agg_rx->started = true;  in ieee80211_sta_manage_reorder_buf()
1306 	index = mpdu_seq_num % tid_agg_rx->buf_size;  in ieee80211_sta_manage_reorder_buf()
1320 	if (mpdu_seq_num == tid_agg_rx->head_seq_num &&  in ieee80211_sta_manage_reorder_buf()
1321 	    tid_agg_rx->stored_mpdu_num == 0) {  in ieee80211_sta_manage_reorder_buf()
1322 		if (!(status->flag & RX_FLAG_AMSDU_MORE))  in ieee80211_sta_manage_reorder_buf()
1323 			tid_agg_rx->head_seq_num =  in ieee80211_sta_manage_reorder_buf()
1324 				ieee80211_sn_inc(tid_agg_rx->head_seq_num);  in ieee80211_sta_manage_reorder_buf()
1330 	__skb_queue_tail(&tid_agg_rx->reorder_buf[index], skb);  in ieee80211_sta_manage_reorder_buf()
1331 	if (!(status->flag & RX_FLAG_AMSDU_MORE)) {  in ieee80211_sta_manage_reorder_buf()
1332 		tid_agg_rx->reorder_time[index] = jiffies;  in ieee80211_sta_manage_reorder_buf()
1333 		tid_agg_rx->stored_mpdu_num++;  in ieee80211_sta_manage_reorder_buf()
1338 	spin_unlock(&tid_agg_rx->reorder_lock);  in ieee80211_sta_manage_reorder_buf()
1343  * Reorder MPDUs from A-MPDUs, keeping them on a buffer. Returns
1349 	struct sk_buff *skb = rx->skb;  in ieee80211_rx_reorder_ampdu()
1350 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;  in ieee80211_rx_reorder_ampdu()
1351 	struct sta_info *sta = rx->sta;  in ieee80211_rx_reorder_ampdu()
1356 	if (!ieee80211_is_data_qos(hdr->frame_control) ||  in ieee80211_rx_reorder_ampdu()
1357 	    is_multicast_ether_addr(hdr->addr1))  in ieee80211_rx_reorder_ampdu()
1372 	tid_agg_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[tid]);  in ieee80211_rx_reorder_ampdu()
1375 		    !test_bit(tid, rx->sta->ampdu_mlme.agg_session_valid) &&  in ieee80211_rx_reorder_ampdu()
1376 		    !test_and_set_bit(tid, rx->sta->ampdu_mlme.unexpected_agg))  in ieee80211_rx_reorder_ampdu()
1377 			ieee80211_send_delba(rx->sdata, rx->sta->sta.addr, tid,  in ieee80211_rx_reorder_ampdu()
1384 	if (unlikely(hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_NULLFUNC)))  in ieee80211_rx_reorder_ampdu()
1391 	/* new, potentially un-ordered, ampdu frame - process it */  in ieee80211_rx_reorder_ampdu()
1394 	if (tid_agg_rx->timeout)  in ieee80211_rx_reorder_ampdu()
1395 		tid_agg_rx->last_rx = jiffies;  in ieee80211_rx_reorder_ampdu()
1397 	/* if this mpdu is fragmented - terminate rx aggregation session */  in ieee80211_rx_reorder_ampdu()
1398 	sc = le16_to_cpu(hdr->seq_ctrl);  in ieee80211_rx_reorder_ampdu()
1400 		ieee80211_queue_skb_to_iface(rx->sdata, rx->link_id, NULL, skb);  in ieee80211_rx_reorder_ampdu()
1405 	 * No locking needed -- we will only ever process one  in ieee80211_rx_reorder_ampdu()
1411 	if (ieee80211_sta_manage_reorder_buf(rx->sdata, tid_agg_rx, skb,  in ieee80211_rx_reorder_ampdu()
1422 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_rx_h_check_dup()
1423 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_h_check_dup()
1425 	if (status->flag & RX_FLAG_DUP_VALIDATED)  in ieee80211_rx_h_check_dup()
1430 	 * (IEEE 802.11-2012: 9.3.2.10 "Duplicate detection and recovery")  in ieee80211_rx_h_check_dup()
1433 	if (rx->skb->len < 24)  in ieee80211_rx_h_check_dup()
1436 	if (ieee80211_is_ctl(hdr->frame_control) ||  in ieee80211_rx_h_check_dup()
1437 	    ieee80211_is_any_nullfunc(hdr->frame_control))  in ieee80211_rx_h_check_dup()
1440 	if (!rx->sta)  in ieee80211_rx_h_check_dup()
1443 	if (unlikely(is_multicast_ether_addr(hdr->addr1))) {  in ieee80211_rx_h_check_dup()
1444 		struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_check_dup()
1447 		if (!ieee80211_is_data_present(hdr->frame_control))  in ieee80211_rx_h_check_dup()
1450 		if (!ieee80211_vif_is_mld(&sdata->vif) ||  in ieee80211_rx_h_check_dup()
1451 		    sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_check_dup()
1454 		if (sdata->u.mgd.mcast_seq_last != IEEE80211_SN_MODULO &&  in ieee80211_rx_h_check_dup()
1455 		    ieee80211_sn_less_eq(sn, sdata->u.mgd.mcast_seq_last))  in ieee80211_rx_h_check_dup()
1458 		sdata->u.mgd.mcast_seq_last = sn;  in ieee80211_rx_h_check_dup()
1462 	if (unlikely(ieee80211_has_retry(hdr->frame_control) &&  in ieee80211_rx_h_check_dup()
1463 		     rx->sta->last_seq_ctrl[rx->seqno_idx] == hdr->seq_ctrl)) {  in ieee80211_rx_h_check_dup()
1464 		I802_DEBUG_INC(rx->local->dot11FrameDuplicateCount);  in ieee80211_rx_h_check_dup()
1465 		rx->link_sta->rx_stats.num_duplicates++;  in ieee80211_rx_h_check_dup()
1467 	} else if (!(status->flag & RX_FLAG_AMSDU_MORE)) {  in ieee80211_rx_h_check_dup()
1468 		rx->sta->last_seq_ctrl[rx->seqno_idx] = hdr->seq_ctrl;  in ieee80211_rx_h_check_dup()
1477 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_rx_h_check()
1488 	if (ieee80211_vif_is_mesh(&rx->sdata->vif))  in ieee80211_rx_h_check()
1491 	if (unlikely((ieee80211_is_data(hdr->frame_control) ||  in ieee80211_rx_h_check()
1492 		      ieee80211_is_pspoll(hdr->frame_control)) &&  in ieee80211_rx_h_check()
1493 		     rx->sdata->vif.type != NL80211_IFTYPE_ADHOC &&  in ieee80211_rx_h_check()
1494 		     rx->sdata->vif.type != NL80211_IFTYPE_OCB &&  in ieee80211_rx_h_check()
1495 		     (!rx->sta || !test_sta_flag(rx->sta, WLAN_STA_ASSOC)))) {  in ieee80211_rx_h_check()
1501 		if (rx->sta && rx->sdata->vif.type == NL80211_IFTYPE_STATION &&  in ieee80211_rx_h_check()
1502 		    ieee80211_is_data_present(hdr->frame_control)) {  in ieee80211_rx_h_check()
1506 			hdrlen = ieee80211_hdrlen(hdr->frame_control);  in ieee80211_rx_h_check()
1508 			if (rx->skb->len < hdrlen + 8)  in ieee80211_rx_h_check()
1511 			skb_copy_bits(rx->skb, hdrlen + 6, &ethertype, 2);  in ieee80211_rx_h_check()
1512 			if (ethertype == rx->sdata->control_port_protocol)  in ieee80211_rx_h_check()
1516 		if (rx->sdata->vif.type == NL80211_IFTYPE_AP &&  in ieee80211_rx_h_check()
1517 		    cfg80211_rx_spurious_frame(rx->sdata->dev,  in ieee80211_rx_h_check()
1518 					       hdr->addr2,  in ieee80211_rx_h_check()
1536 	local = rx->local;  in ieee80211_rx_h_check_more_data()
1537 	skb = rx->skb;  in ieee80211_rx_h_check_more_data()
1538 	hdr = (struct ieee80211_hdr *) skb->data;  in ieee80211_rx_h_check_more_data()
1540 	if (!local->pspolling)  in ieee80211_rx_h_check_more_data()
1543 	if (!ieee80211_has_fromds(hdr->frame_control))  in ieee80211_rx_h_check_more_data()
1547 	if (!ieee80211_is_data(hdr->frame_control))  in ieee80211_rx_h_check_more_data()
1550 	if (!ieee80211_has_moredata(hdr->frame_control)) {  in ieee80211_rx_h_check_more_data()
1552 		local->pspolling = false;  in ieee80211_rx_h_check_more_data()
1557 	ieee80211_send_pspoll(local, rx->sdata);  in ieee80211_rx_h_check_more_data()
1564 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in sta_ps_start()
1565 	struct ieee80211_local *local = sdata->local;  in sta_ps_start()
1569 	if (sta->sdata->vif.type == NL80211_IFTYPE_AP ||  in sta_ps_start()
1570 	    sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN)  in sta_ps_start()
1571 		ps = &sdata->bss->ps;  in sta_ps_start()
1575 	atomic_inc(&ps->num_sta_ps);  in sta_ps_start()
1577 	if (!ieee80211_hw_check(&local->hw, AP_LINK_PS))  in sta_ps_start()
1578 		drv_sta_notify(local, sdata, STA_NOTIFY_SLEEP, &sta->sta);  in sta_ps_start()
1580 	       sta->sta.addr, sta->sta.aid);  in sta_ps_start()
1585 		struct ieee80211_txq *txq = sta->sta.txq[tid];  in sta_ps_start()
1588 		spin_lock(&local->active_txq_lock[txq->ac]);  in sta_ps_start()
1589 		if (!list_empty(&txqi->schedule_order))  in sta_ps_start()
1590 			list_del_init(&txqi->schedule_order);  in sta_ps_start()
1591 		spin_unlock(&local->active_txq_lock[txq->ac]);  in sta_ps_start()
1594 			set_bit(tid, &sta->txq_buffered_tids);  in sta_ps_start()
1596 			clear_bit(tid, &sta->txq_buffered_tids);  in sta_ps_start()
1602 	ps_dbg(sta->sdata, "STA %pM aid %d exits power save mode\n",  in sta_ps_end()
1603 	       sta->sta.addr, sta->sta.aid);  in sta_ps_end()
1613 		ps_dbg(sta->sdata, "STA %pM aid %d driver-ps-blocked\n",  in sta_ps_end()
1614 		       sta->sta.addr, sta->sta.aid);  in sta_ps_end()
1628 	WARN_ON(!ieee80211_hw_check(&sta->local->hw, AP_LINK_PS));  in ieee80211_sta_ps_transition()
1633 		return -EINVAL;  in ieee80211_sta_ps_transition()
1664 	 * If this AC is not trigger-enabled do nothing unless the  in ieee80211_sta_uapsd_trigger()
1667 	 * NB: This could/should check a separate bitmap of trigger-  in ieee80211_sta_uapsd_trigger()
1671 	if (!(sta->sta.uapsd_queues & ieee80211_ac_to_qos_mask[ac]) &&  in ieee80211_sta_uapsd_trigger()
1689 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_uapsd_and_pspoll()
1690 	struct ieee80211_hdr *hdr = (void *)rx->skb->data;  in ieee80211_rx_h_uapsd_and_pspoll()
1691 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_h_uapsd_and_pspoll()
1693 	if (!rx->sta)  in ieee80211_rx_h_uapsd_and_pspoll()
1696 	if (sdata->vif.type != NL80211_IFTYPE_AP &&  in ieee80211_rx_h_uapsd_and_pspoll()
1697 	    sdata->vif.type != NL80211_IFTYPE_AP_VLAN)  in ieee80211_rx_h_uapsd_and_pspoll()
1702 	 * uAPSD and PS-Poll frames (the latter shouldn't even come up from  in ieee80211_rx_h_uapsd_and_pspoll()
1705 	if (ieee80211_hw_check(&sdata->local->hw, AP_LINK_PS))  in ieee80211_rx_h_uapsd_and_pspoll()
1711 	 * in the PS-Poll case the station must be confused ...  in ieee80211_rx_h_uapsd_and_pspoll()
1713 	if (!test_sta_flag(rx->sta, WLAN_STA_PS_STA))  in ieee80211_rx_h_uapsd_and_pspoll()
1716 	if (unlikely(ieee80211_is_pspoll(hdr->frame_control))) {  in ieee80211_rx_h_uapsd_and_pspoll()
1717 		ieee80211_sta_pspoll(&rx->sta->sta);  in ieee80211_rx_h_uapsd_and_pspoll()
1721 		dev_kfree_skb(rx->skb);  in ieee80211_rx_h_uapsd_and_pspoll()
1724 	} else if (!ieee80211_has_morefrags(hdr->frame_control) &&  in ieee80211_rx_h_uapsd_and_pspoll()
1725 		   !(status->rx_flags & IEEE80211_RX_DEFERRED_RELEASE) &&  in ieee80211_rx_h_uapsd_and_pspoll()
1726 		   ieee80211_has_pm(hdr->frame_control) &&  in ieee80211_rx_h_uapsd_and_pspoll()
1727 		   (ieee80211_is_data_qos(hdr->frame_control) ||  in ieee80211_rx_h_uapsd_and_pspoll()
1728 		    ieee80211_is_qos_nullfunc(hdr->frame_control))) {  in ieee80211_rx_h_uapsd_and_pspoll()
1731 		ieee80211_sta_uapsd_trigger(&rx->sta->sta, tid);  in ieee80211_rx_h_uapsd_and_pspoll()
1740 	struct sta_info *sta = rx->sta;  in ieee80211_rx_h_sta_process()
1741 	struct link_sta_info *link_sta = rx->link_sta;  in ieee80211_rx_h_sta_process()
1742 	struct sk_buff *skb = rx->skb;  in ieee80211_rx_h_sta_process()
1744 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;  in ieee80211_rx_h_sta_process()
1758 	if (rx->sdata->vif.type == NL80211_IFTYPE_ADHOC) {  in ieee80211_rx_h_sta_process()
1759 		u8 *bssid = ieee80211_get_bssid(hdr, rx->skb->len,  in ieee80211_rx_h_sta_process()
1761 		if (ether_addr_equal(bssid, rx->sdata->u.ibss.bssid) &&  in ieee80211_rx_h_sta_process()
1763 			link_sta->rx_stats.last_rx = jiffies;  in ieee80211_rx_h_sta_process()
1764 			if (ieee80211_is_data_present(hdr->frame_control) &&  in ieee80211_rx_h_sta_process()
1765 			    !is_multicast_ether_addr(hdr->addr1))  in ieee80211_rx_h_sta_process()
1766 				link_sta->rx_stats.last_rate =  in ieee80211_rx_h_sta_process()
1769 	} else if (rx->sdata->vif.type == NL80211_IFTYPE_OCB) {  in ieee80211_rx_h_sta_process()
1770 		link_sta->rx_stats.last_rx = jiffies;  in ieee80211_rx_h_sta_process()
1771 	} else if (!ieee80211_is_s1g_beacon(hdr->frame_control) &&  in ieee80211_rx_h_sta_process()
1772 		   !is_multicast_ether_addr(hdr->addr1)) {  in ieee80211_rx_h_sta_process()
1777 		link_sta->rx_stats.last_rx = jiffies;  in ieee80211_rx_h_sta_process()
1778 		if (ieee80211_is_data_present(hdr->frame_control))  in ieee80211_rx_h_sta_process()
1779 			link_sta->rx_stats.last_rate = sta_stats_encode_rate(status);  in ieee80211_rx_h_sta_process()
1782 	link_sta->rx_stats.fragments++;  in ieee80211_rx_h_sta_process()
1784 	u64_stats_update_begin(&link_sta->rx_stats.syncp);  in ieee80211_rx_h_sta_process()
1785 	link_sta->rx_stats.bytes += rx->skb->len;  in ieee80211_rx_h_sta_process()
1786 	u64_stats_update_end(&link_sta->rx_stats.syncp);  in ieee80211_rx_h_sta_process()
1788 	if (!(status->flag & RX_FLAG_NO_SIGNAL_VAL)) {  in ieee80211_rx_h_sta_process()
1789 		link_sta->rx_stats.last_signal = status->signal;  in ieee80211_rx_h_sta_process()
1790 		ewma_signal_add(&link_sta->rx_stats_avg.signal,  in ieee80211_rx_h_sta_process()
1791 				-status->signal);  in ieee80211_rx_h_sta_process()
1794 	if (status->chains) {  in ieee80211_rx_h_sta_process()
1795 		link_sta->rx_stats.chains = status->chains;  in ieee80211_rx_h_sta_process()
1796 		for (i = 0; i < ARRAY_SIZE(status->chain_signal); i++) {  in ieee80211_rx_h_sta_process()
1797 			int signal = status->chain_signal[i];  in ieee80211_rx_h_sta_process()
1799 			if (!(status->chains & BIT(i)))  in ieee80211_rx_h_sta_process()
1802 			link_sta->rx_stats.chain_signal_last[i] = signal;  in ieee80211_rx_h_sta_process()
1803 			ewma_signal_add(&link_sta->rx_stats_avg.chain_signal[i],  in ieee80211_rx_h_sta_process()
1804 					-signal);  in ieee80211_rx_h_sta_process()
1808 	if (ieee80211_is_s1g_beacon(hdr->frame_control))  in ieee80211_rx_h_sta_process()
1814 	 * frame as specified in IEEE 802.11-2016 11.2.3.2  in ieee80211_rx_h_sta_process()
1816 	if (!ieee80211_hw_check(&sta->local->hw, AP_LINK_PS) &&  in ieee80211_rx_h_sta_process()
1817 	    !ieee80211_has_morefrags(hdr->frame_control) &&  in ieee80211_rx_h_sta_process()
1818 	    !is_multicast_ether_addr(hdr->addr1) &&  in ieee80211_rx_h_sta_process()
1819 	    (ieee80211_is_mgmt(hdr->frame_control) ||  in ieee80211_rx_h_sta_process()
1820 	     ieee80211_is_data(hdr->frame_control)) &&  in ieee80211_rx_h_sta_process()
1821 	    !(status->rx_flags & IEEE80211_RX_DEFERRED_RELEASE) &&  in ieee80211_rx_h_sta_process()
1822 	    (rx->sdata->vif.type == NL80211_IFTYPE_AP ||  in ieee80211_rx_h_sta_process()
1823 	     rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN)) {  in ieee80211_rx_h_sta_process()
1825 			if (!ieee80211_has_pm(hdr->frame_control))  in ieee80211_rx_h_sta_process()
1828 			if (ieee80211_has_pm(hdr->frame_control))  in ieee80211_rx_h_sta_process()
1834 	if (ieee80211_vif_is_mesh(&rx->sdata->vif))  in ieee80211_rx_h_sta_process()
1838 	 * Drop (qos-)data::nullfunc frames silently, since they  in ieee80211_rx_h_sta_process()
1841 	if (ieee80211_is_any_nullfunc(hdr->frame_control)) {  in ieee80211_rx_h_sta_process()
1842 		I802_DEBUG_INC(rx->local->rx_handlers_drop_nullfunc);  in ieee80211_rx_h_sta_process()
1845 		 * If we receive a 4-addr nullfunc frame from a STA  in ieee80211_rx_h_sta_process()
1846 		 * that was not moved to a 4-addr STA vlan yet send  in ieee80211_rx_h_sta_process()
1850 		if (ieee80211_has_a4(hdr->frame_control) &&  in ieee80211_rx_h_sta_process()
1851 		    (rx->sdata->vif.type == NL80211_IFTYPE_AP ||  in ieee80211_rx_h_sta_process()
1852 		     (rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&  in ieee80211_rx_h_sta_process()
1853 		      !rx->sdata->u.vlan.sta))) {  in ieee80211_rx_h_sta_process()
1856 					rx->sdata->dev, sta->sta.addr,  in ieee80211_rx_h_sta_process()
1864 		link_sta->rx_stats.packets++;  in ieee80211_rx_h_sta_process()
1865 		dev_kfree_skb(rx->skb);  in ieee80211_rx_h_sta_process()
1891 			idx2 = idx - 1;  in ieee80211_rx_get_bigtk()
1894 	if (rx->link_sta)  in ieee80211_rx_get_bigtk()
1895 		key = rcu_dereference(rx->link_sta->gtk[idx]);  in ieee80211_rx_get_bigtk()
1897 		key = rcu_dereference(rx->link->gtk[idx]);  in ieee80211_rx_get_bigtk()
1898 	if (!key && rx->link_sta)  in ieee80211_rx_get_bigtk()
1899 		key = rcu_dereference(rx->link_sta->gtk[idx2]);  in ieee80211_rx_get_bigtk()
1901 		key = rcu_dereference(rx->link->gtk[idx2]);  in ieee80211_rx_get_bigtk()
1909 	struct sk_buff *skb = rx->skb;  in ieee80211_rx_h_decrypt()
1911 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;  in ieee80211_rx_h_decrypt()
1916 	int mmie_keyidx = -1;  in ieee80211_rx_h_decrypt()
1919 	if (ieee80211_is_ext(hdr->frame_control))  in ieee80211_rx_h_decrypt()
1926 	 *  - GTK (group keys)  in ieee80211_rx_h_decrypt()
1927 	 *  - IGTK (group keys for management frames)  in ieee80211_rx_h_decrypt()
1928 	 *  - BIGTK (group keys for Beacon frames)  in ieee80211_rx_h_decrypt()
1929 	 *  - PTK (pairwise keys)  in ieee80211_rx_h_decrypt()
1930 	 *  - STK (station-to-station pairwise keys)  in ieee80211_rx_h_decrypt()
1935 	 * BIGTKs. Unless, of course, actual WEP keys ("pre-RSNA") are used,  in ieee80211_rx_h_decrypt()
1951 	rx->key = NULL;  in ieee80211_rx_h_decrypt()
1952 	fc = hdr->frame_control;  in ieee80211_rx_h_decrypt()
1954 	if (rx->sta) {  in ieee80211_rx_h_decrypt()
1955 		int keyid = rx->sta->ptk_idx;  in ieee80211_rx_h_decrypt()
1956 		sta_ptk = rcu_dereference(rx->sta->ptk[keyid]);  in ieee80211_rx_h_decrypt()
1959 		    !(status->flag & RX_FLAG_IV_STRIPPED)) {  in ieee80211_rx_h_decrypt()
1960 			keyid = ieee80211_get_keyid(rx->skb);  in ieee80211_rx_h_decrypt()
1965 			ptk_idx = rcu_dereference(rx->sta->ptk[keyid]);  in ieee80211_rx_h_decrypt()
1970 		mmie_keyidx = ieee80211_get_mmie_keyidx(rx->skb);  in ieee80211_rx_h_decrypt()
1972 	if (!is_multicast_ether_addr(hdr->addr1) && sta_ptk) {  in ieee80211_rx_h_decrypt()
1973 		rx->key = ptk_idx ? ptk_idx : sta_ptk;  in ieee80211_rx_h_decrypt()
1974 		if ((status->flag & RX_FLAG_DECRYPTED) &&  in ieee80211_rx_h_decrypt()
1975 		    (status->flag & RX_FLAG_IV_STRIPPED))  in ieee80211_rx_h_decrypt()
1982 		if ((status->flag & RX_FLAG_DECRYPTED) &&  in ieee80211_rx_h_decrypt()
1983 		    (status->flag & RX_FLAG_IV_STRIPPED))  in ieee80211_rx_h_decrypt()
1989 			if (rx->sdata->dev)  in ieee80211_rx_h_decrypt()
1990 				cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,  in ieee80211_rx_h_decrypt()
1991 							     skb->data,  in ieee80211_rx_h_decrypt()
1992 							     skb->len);  in ieee80211_rx_h_decrypt()
1996 		rx->key = ieee80211_rx_get_bigtk(rx, mmie_keyidx);  in ieee80211_rx_h_decrypt()
1997 		if (!rx->key)  in ieee80211_rx_h_decrypt()
2001 		if ((status->flag & RX_FLAG_DECRYPTED) &&  in ieee80211_rx_h_decrypt()
2002 		    (status->flag & RX_FLAG_IV_STRIPPED))  in ieee80211_rx_h_decrypt()
2008 		if (rx->link_sta) {  in ieee80211_rx_h_decrypt()
2010 			    test_sta_flag(rx->sta, WLAN_STA_MFP))  in ieee80211_rx_h_decrypt()
2013 			rx->key = rcu_dereference(rx->link_sta->gtk[mmie_keyidx]);  in ieee80211_rx_h_decrypt()
2015 		if (!rx->key)  in ieee80211_rx_h_decrypt()
2016 			rx->key = rcu_dereference(rx->link->gtk[mmie_keyidx]);  in ieee80211_rx_h_decrypt()
2020 		 * need to set rx->key if there is a key that could have been  in ieee80211_rx_h_decrypt()
2028 			key = ieee80211_rx_get_bigtk(rx, -1);  in ieee80211_rx_h_decrypt()
2030 			   is_multicast_ether_addr(hdr->addr1)) {  in ieee80211_rx_h_decrypt()
2031 			key = rcu_dereference(rx->link->default_mgmt_key);  in ieee80211_rx_h_decrypt()
2033 			if (rx->link_sta) {  in ieee80211_rx_h_decrypt()
2035 					key = rcu_dereference(rx->link_sta->gtk[i]);  in ieee80211_rx_h_decrypt()
2042 					key = rcu_dereference(rx->link->gtk[i]);  in ieee80211_rx_h_decrypt()
2049 			rx->key = key;  in ieee80211_rx_h_decrypt()
2061 		if ((status->flag & RX_FLAG_DECRYPTED) &&  in ieee80211_rx_h_decrypt()
2062 		    (status->flag & RX_FLAG_IV_STRIPPED))  in ieee80211_rx_h_decrypt()
2065 		keyidx = ieee80211_get_keyid(rx->skb);  in ieee80211_rx_h_decrypt()
2070 		/* check per-station GTK first, if multicast packet */  in ieee80211_rx_h_decrypt()
2071 		if (is_multicast_ether_addr(hdr->addr1) && rx->link_sta)  in ieee80211_rx_h_decrypt()
2072 			rx->key = rcu_dereference(rx->link_sta->gtk[keyidx]);  in ieee80211_rx_h_decrypt()
2075 		if (!rx->key) {  in ieee80211_rx_h_decrypt()
2076 			if (is_multicast_ether_addr(hdr->addr1))  in ieee80211_rx_h_decrypt()
2077 				rx->key = rcu_dereference(rx->link->gtk[keyidx]);  in ieee80211_rx_h_decrypt()
2078 			if (!rx->key)  in ieee80211_rx_h_decrypt()
2079 				rx->key = rcu_dereference(rx->sdata->keys[keyidx]);  in ieee80211_rx_h_decrypt()
2082 			 * RSNA-protected unicast frames should always be  in ieee80211_rx_h_decrypt()
2083 			 * sent with pairwise or station-to-station keys,  in ieee80211_rx_h_decrypt()
2086 			if (rx->key &&  in ieee80211_rx_h_decrypt()
2087 			    rx->key->conf.cipher != WLAN_CIPHER_SUITE_WEP40 &&  in ieee80211_rx_h_decrypt()
2088 			    rx->key->conf.cipher != WLAN_CIPHER_SUITE_WEP104 &&  in ieee80211_rx_h_decrypt()
2089 			    !is_multicast_ether_addr(hdr->addr1))  in ieee80211_rx_h_decrypt()
2090 				rx->key = NULL;  in ieee80211_rx_h_decrypt()
2094 	if (rx->key) {  in ieee80211_rx_h_decrypt()
2095 		if (unlikely(rx->key->flags & KEY_FLAG_TAINTED))  in ieee80211_rx_h_decrypt()
2103 	switch (rx->key->conf.cipher) {  in ieee80211_rx_h_decrypt()
2140 	status->flag |= RX_FLAG_DECRYPTED;  in ieee80211_rx_h_decrypt()
2143 		     rx->sdata->dev))  in ieee80211_rx_h_decrypt()
2144 		cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,  in ieee80211_rx_h_decrypt()
2145 					     skb->data, skb->len);  in ieee80211_rx_h_decrypt()
2154 	for (i = 0; i < ARRAY_SIZE(cache->entries); i++)  in ieee80211_init_frag_cache()
2155 		skb_queue_head_init(&cache->entries[i].skb_list);  in ieee80211_init_frag_cache()
2162 	for (i = 0; i < ARRAY_SIZE(cache->entries); i++)  in ieee80211_destroy_frag_cache()
2163 		__skb_queue_purge(&cache->entries[i].skb_list);  in ieee80211_destroy_frag_cache()
2173 	entry = &cache->entries[cache->next++];  in ieee80211_reassemble_add()
2174 	if (cache->next >= IEEE80211_FRAGMENT_MAX)  in ieee80211_reassemble_add()
2175 		cache->next = 0;  in ieee80211_reassemble_add()
2177 	__skb_queue_purge(&entry->skb_list);  in ieee80211_reassemble_add()
2179 	__skb_queue_tail(&entry->skb_list, *skb); /* no need for locking */  in ieee80211_reassemble_add()
2181 	entry->first_frag_time = jiffies;  in ieee80211_reassemble_add()
2182 	entry->seq = seq;  in ieee80211_reassemble_add()
2183 	entry->rx_queue = rx_queue;  in ieee80211_reassemble_add()
2184 	entry->last_frag = frag;  in ieee80211_reassemble_add()
2185 	entry->check_sequential_pn = false;  in ieee80211_reassemble_add()
2186 	entry->extra_len = 0;  in ieee80211_reassemble_add()
2199 	idx = cache->next;  in ieee80211_reassemble_find()
2204 		idx--;  in ieee80211_reassemble_find()
2206 			idx = IEEE80211_FRAGMENT_MAX - 1;  in ieee80211_reassemble_find()
2208 		entry = &cache->entries[idx];  in ieee80211_reassemble_find()
2209 		if (skb_queue_empty(&entry->skb_list) || entry->seq != seq ||  in ieee80211_reassemble_find()
2210 		    entry->rx_queue != rx_queue ||  in ieee80211_reassemble_find()
2211 		    entry->last_frag + 1 != frag)  in ieee80211_reassemble_find()
2214 		f_skb = __skb_peek(&entry->skb_list);  in ieee80211_reassemble_find()
2215 		f_hdr = (struct ieee80211_hdr *) f_skb->data;  in ieee80211_reassemble_find()
2220 		if (((hdr->frame_control ^ f_hdr->frame_control) &  in ieee80211_reassemble_find()
2222 		    !ether_addr_equal(hdr->addr1, f_hdr->addr1) ||  in ieee80211_reassemble_find()
2223 		    !ether_addr_equal(hdr->addr2, f_hdr->addr2))  in ieee80211_reassemble_find()
2226 		if (time_after(jiffies, entry->first_frag_time + 2 * HZ)) {  in ieee80211_reassemble_find()
2227 			__skb_queue_purge(&entry->skb_list);  in ieee80211_reassemble_find()
2238 	return rx->key &&  in requires_sequential_pn()
2239 		(rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP ||  in requires_sequential_pn()
2240 		 rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP_256 ||  in requires_sequential_pn()
2241 		 rx->key->conf.cipher == WLAN_CIPHER_SUITE_GCMP ||  in requires_sequential_pn()
2242 		 rx->key->conf.cipher == WLAN_CIPHER_SUITE_GCMP_256) &&  in requires_sequential_pn()
2249 	struct ieee80211_fragment_cache *cache = &rx->sdata->frags;  in ieee80211_rx_h_defragment()
2256 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_h_defragment()
2258 	hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_rx_h_defragment()
2259 	fc = hdr->frame_control;  in ieee80211_rx_h_defragment()
2264 	sc = le16_to_cpu(hdr->seq_ctrl);  in ieee80211_rx_h_defragment()
2267 	if (rx->sta)  in ieee80211_rx_h_defragment()
2268 		cache = &rx->sta->frags;  in ieee80211_rx_h_defragment()
2273 	if (is_multicast_ether_addr(hdr->addr1))  in ieee80211_rx_h_defragment()
2276 	I802_DEBUG_INC(rx->local->rx_handlers_fragments);  in ieee80211_rx_h_defragment()
2278 	if (skb_linearize(rx->skb))  in ieee80211_rx_h_defragment()
2282 	 *  skb_linearize() might change the skb->data and  in ieee80211_rx_h_defragment()
2286 	hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_rx_h_defragment()
2292 						 rx->seqno_idx, &(rx->skb));  in ieee80211_rx_h_defragment()
2294 			int queue = rx->security_idx;  in ieee80211_rx_h_defragment()
2299 			entry->check_sequential_pn = true;  in ieee80211_rx_h_defragment()
2300 			entry->is_protected = true;  in ieee80211_rx_h_defragment()
2301 			entry->key_color = rx->key->color;  in ieee80211_rx_h_defragment()
2302 			memcpy(entry->last_pn,  in ieee80211_rx_h_defragment()
2303 			       rx->key->u.ccmp.rx_pn[queue],  in ieee80211_rx_h_defragment()
2309 			BUILD_BUG_ON(sizeof(rx->key->u.ccmp.rx_pn[queue]) !=  in ieee80211_rx_h_defragment()
2310 				     sizeof(rx->key->u.gcmp.rx_pn[queue]));  in ieee80211_rx_h_defragment()
2313 		} else if (rx->key &&  in ieee80211_rx_h_defragment()
2315 			    (status->flag & RX_FLAG_DECRYPTED))) {  in ieee80211_rx_h_defragment()
2316 			entry->is_protected = true;  in ieee80211_rx_h_defragment()
2317 			entry->key_color = rx->key->color;  in ieee80211_rx_h_defragment()
2326 					  rx->seqno_idx, hdr);  in ieee80211_rx_h_defragment()
2328 		I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag);  in ieee80211_rx_h_defragment()
2334 	 * see IEEE P802.11-REVmc/D5.0, 12.5.3.4.4, item d (for CCMP)  in ieee80211_rx_h_defragment()
2335 	 * and IEEE P802.11-REVmc/D5.0, 12.5.5.4.4, item d (for GCMP)  in ieee80211_rx_h_defragment()
2337 	if (entry->check_sequential_pn) {  in ieee80211_rx_h_defragment()
2345 		if (entry->key_color != rx->key->color)  in ieee80211_rx_h_defragment()
2348 		memcpy(pn, entry->last_pn, IEEE80211_CCMP_PN_LEN);  in ieee80211_rx_h_defragment()
2349 		for (i = IEEE80211_CCMP_PN_LEN - 1; i >= 0; i--) {  in ieee80211_rx_h_defragment()
2355 		rpn = rx->ccm_gcm.pn;  in ieee80211_rx_h_defragment()
2358 		memcpy(entry->last_pn, pn, IEEE80211_CCMP_PN_LEN);  in ieee80211_rx_h_defragment()
2359 	} else if (entry->is_protected &&  in ieee80211_rx_h_defragment()
2360 		   (!rx->key ||  in ieee80211_rx_h_defragment()
2362 		     !(status->flag & RX_FLAG_DECRYPTED)) ||  in ieee80211_rx_h_defragment()
2363 		    rx->key->color != entry->key_color)) {  in ieee80211_rx_h_defragment()
2365 		 * if for TKIP Michael MIC should protect us, and WEP is a  in ieee80211_rx_h_defragment()
2369 	} else if (entry->is_protected && rx->key &&  in ieee80211_rx_h_defragment()
2370 		   entry->key_color != rx->key->color &&  in ieee80211_rx_h_defragment()
2371 		   (status->flag & RX_FLAG_DECRYPTED)) {  in ieee80211_rx_h_defragment()
2375 	skb_pull(rx->skb, ieee80211_hdrlen(fc));  in ieee80211_rx_h_defragment()
2376 	__skb_queue_tail(&entry->skb_list, rx->skb);  in ieee80211_rx_h_defragment()
2377 	entry->last_frag = frag;  in ieee80211_rx_h_defragment()
2378 	entry->extra_len += rx->skb->len;  in ieee80211_rx_h_defragment()
2380 		rx->skb = NULL;  in ieee80211_rx_h_defragment()
2384 	rx->skb = __skb_dequeue(&entry->skb_list);  in ieee80211_rx_h_defragment()
2385 	if (skb_tailroom(rx->skb) < entry->extra_len) {  in ieee80211_rx_h_defragment()
2386 		I802_DEBUG_INC(rx->local->rx_expand_skb_head_defrag);  in ieee80211_rx_h_defragment()
2387 		if (unlikely(pskb_expand_head(rx->skb, 0, entry->extra_len,  in ieee80211_rx_h_defragment()
2389 			I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag);  in ieee80211_rx_h_defragment()
2390 			__skb_queue_purge(&entry->skb_list);  in ieee80211_rx_h_defragment()
2394 	while ((skb = __skb_dequeue(&entry->skb_list))) {  in ieee80211_rx_h_defragment()
2395 		skb_put_data(rx->skb, skb->data, skb->len);  in ieee80211_rx_h_defragment()
2400 	ieee80211_led_rx(rx->local);  in ieee80211_rx_h_defragment()
2401 	if (rx->sta)  in ieee80211_rx_h_defragment()
2402 		rx->link_sta->rx_stats.packets++;  in ieee80211_rx_h_defragment()
2408 	if (unlikely(!rx->sta || !test_sta_flag(rx->sta, WLAN_STA_AUTHORIZED)))  in ieee80211_802_1x_port_control()
2409 		return -EACCES;  in ieee80211_802_1x_port_control()
2416 	struct sk_buff *skb = rx->skb;  in ieee80211_drop_unencrypted()
2423 	if (status->flag & RX_FLAG_DECRYPTED)  in ieee80211_drop_unencrypted()
2429 		     ieee80211_is_data(fc) && rx->key))  in ieee80211_drop_unencrypted()
2430 		return -EACCES;  in ieee80211_drop_unencrypted()
2438 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_drop_unencrypted_mgmt()
2439 	struct ieee80211_mgmt *mgmt = (void *)rx->skb->data;  in ieee80211_drop_unencrypted_mgmt()
2440 	__le16 fc = mgmt->frame_control;  in ieee80211_drop_unencrypted_mgmt()
2446 	if (status->flag & RX_FLAG_DECRYPTED)  in ieee80211_drop_unencrypted_mgmt()
2451 	    mgmt->u.action.category == WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION)  in ieee80211_drop_unencrypted_mgmt()
2454 	if (rx->sta && test_sta_flag(rx->sta, WLAN_STA_MFP)) {  in ieee80211_drop_unencrypted_mgmt()
2456 			     ieee80211_is_unicast_robust_mgmt_frame(rx->skb))) {  in ieee80211_drop_unencrypted_mgmt()
2461 				 * during 4-way-HS (key is installed after HS).  in ieee80211_drop_unencrypted_mgmt()
2463 				if (!rx->key)  in ieee80211_drop_unencrypted_mgmt()
2466 				cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,  in ieee80211_drop_unencrypted_mgmt()
2467 							     rx->skb->data,  in ieee80211_drop_unencrypted_mgmt()
2468 							     rx->skb->len);  in ieee80211_drop_unencrypted_mgmt()
2473 		if (unlikely(ieee80211_is_multicast_robust_mgmt_frame(rx->skb) &&  in ieee80211_drop_unencrypted_mgmt()
2474 			     ieee80211_get_mmie_keyidx(rx->skb) < 0)) {  in ieee80211_drop_unencrypted_mgmt()
2477 				cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,  in ieee80211_drop_unencrypted_mgmt()
2478 							     rx->skb->data,  in ieee80211_drop_unencrypted_mgmt()
2479 							     rx->skb->len);  in ieee80211_drop_unencrypted_mgmt()
2482 		if (unlikely(ieee80211_is_beacon(fc) && rx->key &&  in ieee80211_drop_unencrypted_mgmt()
2483 			     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()
2493 		if (unlikely(ieee80211_is_action(fc) && !rx->key &&  in ieee80211_drop_unencrypted_mgmt()
2494 			     ieee80211_is_robust_mgmt_frame(rx->skb)))  in ieee80211_drop_unencrypted_mgmt()
2498 		if (is_unicast_ether_addr(mgmt->da) &&  in ieee80211_drop_unencrypted_mgmt()
2499 		    ieee80211_is_protected_dual_of_public_action(rx->skb))  in ieee80211_drop_unencrypted_mgmt()
2508 	    ieee80211_is_robust_mgmt_frame(rx->skb) &&  in ieee80211_drop_unencrypted_mgmt()
2509 	    (!rx->sta || !test_sta_flag(rx->sta, WLAN_STA_ASSOC)))  in ieee80211_drop_unencrypted_mgmt()
2519 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in __ieee80211_data_to_8023()
2520 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;  in __ieee80211_data_to_8023()
2526 	if (ieee80211_has_a4(hdr->frame_control) &&  in __ieee80211_data_to_8023()
2527 	    sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta)  in __ieee80211_data_to_8023()
2530 	if (sdata->vif.type == NL80211_IFTYPE_STATION &&  in __ieee80211_data_to_8023()
2531 	    !!sdata->u.mgd.use_4addr != !!ieee80211_has_a4(hdr->frame_control)) {  in __ieee80211_data_to_8023()
2532 		if (!sdata->u.mgd.use_4addr)  in __ieee80211_data_to_8023()
2534 		else if (!ether_addr_equal(hdr->addr1, sdata->vif.addr))  in __ieee80211_data_to_8023()
2538 	if (is_multicast_ether_addr(hdr->addr1) &&  in __ieee80211_data_to_8023()
2539 	    sdata->vif.type == NL80211_IFTYPE_AP_VLAN && sdata->u.vlan.sta)  in __ieee80211_data_to_8023()
2542 	ret = ieee80211_data_to_8023(rx->skb, sdata->vif.addr, sdata->vif.type);  in __ieee80211_data_to_8023()
2546 	ehdr = (struct ethhdr *) rx->skb->data;  in __ieee80211_data_to_8023()
2547 	if (ehdr->h_proto == rx->sdata->control_port_protocol)  in __ieee80211_data_to_8023()
2560 	/* non-MLO, or MLD address replaced by hardware */  in ieee80211_is_our_addr()
2561 	if (ether_addr_equal(sdata->vif.addr, addr))  in ieee80211_is_our_addr()
2564 	if (!ieee80211_vif_is_mld(&sdata->vif))  in ieee80211_is_our_addr()
2567 	for (link_id = 0; link_id < ARRAY_SIZE(sdata->vif.link_conf); link_id++) {  in ieee80211_is_our_addr()
2570 		conf = rcu_dereference(sdata->vif.link_conf[link_id]);  in ieee80211_is_our_addr()
2574 		if (ether_addr_equal(conf->addr, addr)) {  in ieee80211_is_our_addr()
2585  * requires that rx->skb is a frame with ethernet header
2591 	struct ethhdr *ehdr = (struct ethhdr *) rx->skb->data;  in ieee80211_frame_allowed()
2598 	if (unlikely(ehdr->h_proto == rx->sdata->control_port_protocol))  in ieee80211_frame_allowed()
2599 		return ieee80211_is_our_addr(rx->sdata, ehdr->h_dest, NULL) ||  in ieee80211_frame_allowed()
2600 		       ether_addr_equal(ehdr->h_dest, pae_group_addr);  in ieee80211_frame_allowed()
2612 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_deliver_skb_to_local_stack()
2613 	struct net_device *dev = sdata->dev;  in ieee80211_deliver_skb_to_local_stack()
2615 	if (unlikely((skb->protocol == sdata->control_port_protocol ||  in ieee80211_deliver_skb_to_local_stack()
2616 		     (skb->protocol == cpu_to_be16(ETH_P_PREAUTH) &&  in ieee80211_deliver_skb_to_local_stack()
2617 		      !sdata->control_port_no_preauth)) &&  in ieee80211_deliver_skb_to_local_stack()
2618 		     sdata->control_port_over_nl80211)) {  in ieee80211_deliver_skb_to_local_stack()
2620 		bool noencrypt = !(status->flag & RX_FLAG_DECRYPTED);  in ieee80211_deliver_skb_to_local_stack()
2622 		cfg80211_rx_control_port(dev, skb, noencrypt, rx->link_id);  in ieee80211_deliver_skb_to_local_stack()
2627 		memset(skb->cb, 0, sizeof(skb->cb));  in ieee80211_deliver_skb_to_local_stack()
2644 		if (unlikely(skb->protocol == sdata->control_port_protocol &&  in ieee80211_deliver_skb_to_local_stack()
2645 			     !ether_addr_equal(ehdr->h_dest, sdata->vif.addr)))  in ieee80211_deliver_skb_to_local_stack()
2646 			ether_addr_copy(ehdr->h_dest, sdata->vif.addr);  in ieee80211_deliver_skb_to_local_stack()
2649 		if (rx->list)  in ieee80211_deliver_skb_to_local_stack()
2650 			list_add_tail(&skb->list, rx->list);  in ieee80211_deliver_skb_to_local_stack()
2657  * requires that rx->skb is a frame with ethernet header
2662 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_deliver_skb()
2663 	struct net_device *dev = sdata->dev;  in ieee80211_deliver_skb()
2665 	struct ethhdr *ehdr = (struct ethhdr *) rx->skb->data;  in ieee80211_deliver_skb()
2668 	skb = rx->skb;  in ieee80211_deliver_skb()
2671 	dev_sw_netstats_rx_add(dev, skb->len);  in ieee80211_deliver_skb()
2673 	if (rx->sta) {  in ieee80211_deliver_skb()
2676 		 * for non-QoS-data frames. Here we know it's a data  in ieee80211_deliver_skb()
2679 		u64_stats_update_begin(&rx->link_sta->rx_stats.syncp);  in ieee80211_deliver_skb()
2680 		rx->link_sta->rx_stats.msdu[rx->seqno_idx]++;  in ieee80211_deliver_skb()
2681 		u64_stats_update_end(&rx->link_sta->rx_stats.syncp);  in ieee80211_deliver_skb()
2684 	if ((sdata->vif.type == NL80211_IFTYPE_AP ||  in ieee80211_deliver_skb()
2685 	     sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&  in ieee80211_deliver_skb()
2686 	    !(sdata->flags & IEEE80211_SDATA_DONT_BRIDGE_PACKETS) &&  in ieee80211_deliver_skb()
2687 	    ehdr->h_proto != rx->sdata->control_port_protocol &&  in ieee80211_deliver_skb()
2688 	    (sdata->vif.type != NL80211_IFTYPE_AP_VLAN || !sdata->u.vlan.sta)) {  in ieee80211_deliver_skb()
2689 		if (is_multicast_ether_addr(ehdr->h_dest) &&  in ieee80211_deliver_skb()
2698 						    dev->name);  in ieee80211_deliver_skb()
2699 		} else if (!is_multicast_ether_addr(ehdr->h_dest) &&  in ieee80211_deliver_skb()
2700 			   !ether_addr_equal(ehdr->h_dest, ehdr->h_source)) {  in ieee80211_deliver_skb()
2701 			dsta = sta_info_get(sdata, ehdr->h_dest);  in ieee80211_deliver_skb()
2718 		 * frames are required to be aligned to 2-byte boundaries  in ieee80211_deliver_skb()
2721 		 * access fields as 2-byte aligned (e.g. for ether_addr_equal)  in ieee80211_deliver_skb()
2725 		align = (unsigned long)(skb->data + sizeof(struct ethhdr)) & 3;  in ieee80211_deliver_skb()
2731 				u8 *data = skb->data;  in ieee80211_deliver_skb()
2733 				skb->data -= align;  in ieee80211_deliver_skb()
2734 				memmove(skb->data, data, len);  in ieee80211_deliver_skb()
2742 		skb->protocol = eth_type_trans(skb, dev);  in ieee80211_deliver_skb()
2752 		xmit_skb->priority += 256;  in ieee80211_deliver_skb()
2753 		xmit_skb->protocol = htons(ETH_P_802_3);  in ieee80211_deliver_skb()
2765 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in ieee80211_rx_mesh_fast_forward()
2776 	mesh_hdr = (struct ieee80211s_hdr *)(skb->data + sizeof(eth));  in ieee80211_rx_mesh_fast_forward()
2777 	if ((mesh_hdr->flags & MESH_FLAGS_AE) == MESH_FLAGS_AE_A5_A6)  in ieee80211_rx_mesh_fast_forward()
2778 		ether_addr_copy(key.addr, mesh_hdr->eaddr1);  in ieee80211_rx_mesh_fast_forward()
2779 	else if (!(mesh_hdr->flags & MESH_FLAGS_AE))  in ieee80211_rx_mesh_fast_forward()
2780 		ether_addr_copy(key.addr, skb->data);  in ieee80211_rx_mesh_fast_forward()
2788 	sta = rcu_dereference(entry->mpath->next_hop);  in ieee80211_rx_mesh_fast_forward()
2795 	tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;  in ieee80211_rx_mesh_fast_forward()
2796 	tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[tid]);  in ieee80211_rx_mesh_fast_forward()
2798 		if (!test_bit(HT_AGG_STATE_OPERATIONAL, &tid_tx->state))  in ieee80211_rx_mesh_fast_forward()
2801 		if (tid_tx->timeout)  in ieee80211_rx_mesh_fast_forward()
2802 			tid_tx->last_tx = jiffies;  in ieee80211_rx_mesh_fast_forward()
2807 	if (ieee80211_get_8023_tunnel_proto(skb->data + hdrlen,  in ieee80211_rx_mesh_fast_forward()
2808 					    &skb->protocol))  in ieee80211_rx_mesh_fast_forward()
2811 		skb->protocol = htons(skb->len - hdrlen);  in ieee80211_rx_mesh_fast_forward()
2814 	skb->dev = sdata->dev;  in ieee80211_rx_mesh_fast_forward()
2815 	memcpy(&eth, skb->data, ETH_HLEN - 2);  in ieee80211_rx_mesh_fast_forward()
2817 	__ieee80211_xmit_fast(sdata, sta, &entry->fast_tx, skb, tid_tx,  in ieee80211_rx_mesh_fast_forward()
2831 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in ieee80211_rx_mesh_data()
2832 	struct ieee80211_local *local = sdata->local;  in ieee80211_rx_mesh_data()
2847 	if (!ieee80211_vif_is_mesh(&sdata->vif))  in ieee80211_rx_mesh_data()
2853 	mesh_hdr = (struct ieee80211s_hdr *)(skb->data + sizeof(*eth));  in ieee80211_rx_mesh_data()
2859 	eth = (struct ethhdr *)skb->data;  in ieee80211_rx_mesh_data()
2860 	multicast = is_multicast_ether_addr(eth->h_dest);  in ieee80211_rx_mesh_data()
2863 	if (!mesh_hdr->ttl)  in ieee80211_rx_mesh_data()
2867 	if (is_multicast_ether_addr(eth->h_dest) &&  in ieee80211_rx_mesh_data()
2868 	    mesh_rmc_check(sdata, eth->h_source, mesh_hdr))  in ieee80211_rx_mesh_data()
2872 	if (sdata->crypto_tx_tailroom_needed_cnt)  in ieee80211_rx_mesh_data()
2875 	if (mesh_hdr->flags & MESH_FLAGS_AE) {  in ieee80211_rx_mesh_data()
2881 			proxied_addr = mesh_hdr->eaddr1;  in ieee80211_rx_mesh_data()
2882 		else if ((mesh_hdr->flags & MESH_FLAGS_AE) == MESH_FLAGS_AE_A5_A6)  in ieee80211_rx_mesh_data()
2884 			proxied_addr = mesh_hdr->eaddr2;  in ieee80211_rx_mesh_data()
2891 			mpp_path_add(sdata, proxied_addr, eth->h_source);  in ieee80211_rx_mesh_data()
2893 			spin_lock_bh(&mppath->state_lock);  in ieee80211_rx_mesh_data()
2894 			if (!ether_addr_equal(mppath->mpp, eth->h_source)) {  in ieee80211_rx_mesh_data()
2895 				memcpy(mppath->mpp, eth->h_source, ETH_ALEN);  in ieee80211_rx_mesh_data()
2898 			mppath->exp_time = jiffies;  in ieee80211_rx_mesh_data()
2899 			spin_unlock_bh(&mppath->state_lock);  in ieee80211_rx_mesh_data()
2910 	if (ether_addr_equal(sdata->vif.addr, eth->h_dest))  in ieee80211_rx_mesh_data()
2913 	if (!--mesh_hdr->ttl) {  in ieee80211_rx_mesh_data()
2921 	if (!ifmsh->mshcfg.dot11MeshForwarding) {  in ieee80211_rx_mesh_data()
2922 		if (is_multicast_ether_addr(eth->h_dest))  in ieee80211_rx_mesh_data()
2928 	skb_set_queue_mapping(skb, ieee802_1d_to_ac[skb->priority]);  in ieee80211_rx_mesh_data()
2935 				      eth->h_dest, eth->h_source);  in ieee80211_rx_mesh_data()
2938 		int extra_head = sizeof(struct ieee80211_hdr) - sizeof(*eth);  in ieee80211_rx_mesh_data()
2940 		fwd_skb = skb_copy_expand(skb, local->tx_headroom + extra_head +  in ieee80211_rx_mesh_data()
2949 		if (skb_cow_head(fwd_skb, hdrlen - sizeof(struct ethhdr)))  in ieee80211_rx_mesh_data()
2956 	fwd_hdr = skb_push(fwd_skb, hdrlen - sizeof(struct ethhdr));  in ieee80211_rx_mesh_data()
2957 	memcpy(fwd_hdr, &hdr, hdrlen - 2);  in ieee80211_rx_mesh_data()
2963 	if (ieee80211_get_8023_tunnel_proto(fwd_skb->data + hdrlen,  in ieee80211_rx_mesh_data()
2964 					    &fwd_skb->protocol))  in ieee80211_rx_mesh_data()
2967 		fwd_skb->protocol = htons(fwd_skb->len - hdrlen);  in ieee80211_rx_mesh_data()
2972 	info->control.flags |= IEEE80211_TX_INTCFL_NEED_TXPROCESSING;  in ieee80211_rx_mesh_data()
2973 	info->control.vif = &sdata->vif;  in ieee80211_rx_mesh_data()
2974 	info->control.jiffies = jiffies;  in ieee80211_rx_mesh_data()
2975 	fwd_skb->dev = sdata->dev;  in ieee80211_rx_mesh_data()
2978 		memcpy(fwd_hdr->addr2, sdata->vif.addr, ETH_ALEN);  in ieee80211_rx_mesh_data()
2987 			mesh_path_error_tx(sdata, ifmsh->mshcfg.element_ttl,  in ieee80211_rx_mesh_data()
2990 					   sta->sta.addr);  in ieee80211_rx_mesh_data()
3012 	struct net_device *dev = rx->sdata->dev;  in __ieee80211_rx_h_amsdu()
3013 	struct sk_buff *skb = rx->skb;  in __ieee80211_rx_h_amsdu()
3014 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;  in __ieee80211_rx_h_amsdu()
3015 	__le16 fc = hdr->frame_control;  in __ieee80211_rx_h_amsdu()
3021 	if (unlikely(ieee80211_has_a4(hdr->frame_control))) {  in __ieee80211_rx_h_amsdu()
3024 	} else switch (rx->sdata->vif.type) {  in __ieee80211_rx_h_amsdu()
3030 			if (!rx->sta ||  in __ieee80211_rx_h_amsdu()
3031 			    !test_sta_flag(rx->sta, WLAN_STA_TDLS_PEER))  in __ieee80211_rx_h_amsdu()
3042 	skb->dev = dev;  in __ieee80211_rx_h_amsdu()
3046 					  rx->sdata->vif.addr,  in __ieee80211_rx_h_amsdu()
3047 					  rx->sdata->vif.type,  in __ieee80211_rx_h_amsdu()
3051 	if (rx->sta->amsdu_mesh_control < 0) {  in __ieee80211_rx_h_amsdu()
3052 		s8 valid = -1;  in __ieee80211_rx_h_amsdu()
3061 				valid = -1;  in __ieee80211_rx_h_amsdu()
3068 		rx->sta->amsdu_mesh_control = valid;  in __ieee80211_rx_h_amsdu()
3071 	ieee80211_amsdu_to_8023s(skb, &frame_list, dev->dev_addr,  in __ieee80211_rx_h_amsdu()
3072 				 rx->sdata->vif.type,  in __ieee80211_rx_h_amsdu()
3073 				 rx->local->hw.extra_tx_headroom,  in __ieee80211_rx_h_amsdu()
3075 				 rx->sta->amsdu_mesh_control);  in __ieee80211_rx_h_amsdu()
3078 		rx->skb = __skb_dequeue(&frame_list);  in __ieee80211_rx_h_amsdu()
3080 		res = ieee80211_rx_mesh_data(rx->sdata, rx->sta, rx->skb);  in __ieee80211_rx_h_amsdu()
3097 		dev_kfree_skb(rx->skb);  in __ieee80211_rx_h_amsdu()
3106 	struct sk_buff *skb = rx->skb;  in ieee80211_rx_h_amsdu()
3108 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;  in ieee80211_rx_h_amsdu()
3109 	__le16 fc = hdr->frame_control;  in ieee80211_rx_h_amsdu()
3111 	if (!(status->rx_flags & IEEE80211_RX_AMSDU))  in ieee80211_rx_h_amsdu()
3120 	if (unlikely(ieee80211_has_a4(hdr->frame_control))) {  in ieee80211_rx_h_amsdu()
3121 		switch (rx->sdata->vif.type) {  in ieee80211_rx_h_amsdu()
3123 			if (!rx->sdata->u.vlan.sta)  in ieee80211_rx_h_amsdu()
3127 			if (!rx->sdata->u.mgd.use_4addr)  in ieee80211_rx_h_amsdu()
3137 	if (is_multicast_ether_addr(hdr->addr1) || !rx->sta)  in ieee80211_rx_h_amsdu()
3140 	if (rx->key) {  in ieee80211_rx_h_amsdu()
3142 		 * We should not receive A-MSDUs on pre-HT connections,  in ieee80211_rx_h_amsdu()
3145 		 * A-MSDUs or such.  in ieee80211_rx_h_amsdu()
3147 		switch (rx->key->conf.cipher) {  in ieee80211_rx_h_amsdu()
3163 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_data()
3164 	struct ieee80211_local *local = rx->local;  in ieee80211_rx_h_data()
3165 	struct net_device *dev = sdata->dev;  in ieee80211_rx_h_data()
3166 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_rx_h_data()
3167 	__le16 fc = hdr->frame_control;  in ieee80211_rx_h_data()
3171 	if (unlikely(!ieee80211_is_data(hdr->frame_control)))  in ieee80211_rx_h_data()
3174 	if (unlikely(!ieee80211_is_data_present(hdr->frame_control)))  in ieee80211_rx_h_data()
3178 	 * Send unexpected-4addr-frame event to hostapd. For older versions,  in ieee80211_rx_h_data()
3181 	if (ieee80211_has_a4(hdr->frame_control) &&  in ieee80211_rx_h_data()
3182 	    sdata->vif.type == NL80211_IFTYPE_AP) {  in ieee80211_rx_h_data()
3183 		if (rx->sta &&  in ieee80211_rx_h_data()
3184 		    !test_and_set_sta_flag(rx->sta, WLAN_STA_4ADDR_EVENT))  in ieee80211_rx_h_data()
3186 				rx->sdata->dev, rx->sta->sta.addr, GFP_ATOMIC);  in ieee80211_rx_h_data()
3194 	res = ieee80211_rx_mesh_data(rx->sdata, rx->sta, rx->skb);  in ieee80211_rx_h_data()
3202 	if (unlikely(((struct ethhdr *)rx->skb->data)->h_proto ==  in ieee80211_rx_h_data()
3204 		struct ieee80211_tdls_data *tf = (void *)rx->skb->data;  in ieee80211_rx_h_data()
3206 		if (pskb_may_pull(rx->skb,  in ieee80211_rx_h_data()
3208 		    tf->payload_type == WLAN_TDLS_SNAP_RFTYPE &&  in ieee80211_rx_h_data()
3209 		    tf->category == WLAN_CATEGORY_TDLS &&  in ieee80211_rx_h_data()
3210 		    (tf->action_code == WLAN_TDLS_CHANNEL_SWITCH_REQUEST ||  in ieee80211_rx_h_data()
3211 		     tf->action_code == WLAN_TDLS_CHANNEL_SWITCH_RESPONSE)) {  in ieee80211_rx_h_data()
3212 			rx->skb->protocol = cpu_to_be16(ETH_P_TDLS);  in ieee80211_rx_h_data()
3213 			__ieee80211_queue_skb_to_iface(sdata, rx->link_id,  in ieee80211_rx_h_data()
3214 						       rx->sta, rx->skb);  in ieee80211_rx_h_data()
3219 	if (rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&  in ieee80211_rx_h_data()
3220 	    unlikely(port_control) && sdata->bss) {  in ieee80211_rx_h_data()
3221 		sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,  in ieee80211_rx_h_data()
3223 		dev = sdata->dev;  in ieee80211_rx_h_data()
3224 		rx->sdata = sdata;  in ieee80211_rx_h_data()
3227 	rx->skb->dev = dev;  in ieee80211_rx_h_data()
3229 	if (!ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS) &&  in ieee80211_rx_h_data()
3230 	    local->ps_sdata && local->hw.conf.dynamic_ps_timeout > 0 &&  in ieee80211_rx_h_data()
3232 		    ((struct ethhdr *)rx->skb->data)->h_dest) &&  in ieee80211_rx_h_data()
3233 	    (!local->scanning &&  in ieee80211_rx_h_data()
3234 	     !test_bit(SDATA_STATE_OFFCHANNEL, &sdata->state)))  in ieee80211_rx_h_data()
3235 		mod_timer(&local->dynamic_ps_timer, jiffies +  in ieee80211_rx_h_data()
3236 			  msecs_to_jiffies(local->hw.conf.dynamic_ps_timeout));  in ieee80211_rx_h_data()
3246 	struct sk_buff *skb = rx->skb;  in ieee80211_rx_h_ctrl()
3247 	struct ieee80211_bar *bar = (struct ieee80211_bar *)skb->data;  in ieee80211_rx_h_ctrl()
3252 	if (likely(!ieee80211_is_ctl(bar->frame_control)))  in ieee80211_rx_h_ctrl()
3255 	if (ieee80211_is_back_req(bar->frame_control)) {  in ieee80211_rx_h_ctrl()
3263 		if (!rx->sta)  in ieee80211_rx_h_ctrl()
3272 		if (!test_bit(tid, rx->sta->ampdu_mlme.agg_session_valid) &&  in ieee80211_rx_h_ctrl()
3273 		    !test_and_set_bit(tid, rx->sta->ampdu_mlme.unexpected_agg))  in ieee80211_rx_h_ctrl()
3274 			ieee80211_send_delba(rx->sdata, rx->sta->sta.addr, tid,  in ieee80211_rx_h_ctrl()
3278 		tid_agg_rx = rcu_dereference(rx->sta->ampdu_mlme.tid_rx[tid]);  in ieee80211_rx_h_ctrl()
3285 		event.u.ba.sta = &rx->sta->sta;  in ieee80211_rx_h_ctrl()
3288 		if (tid_agg_rx->timeout)  in ieee80211_rx_h_ctrl()
3289 			mod_timer(&tid_agg_rx->session_timer,  in ieee80211_rx_h_ctrl()
3290 				  TU_TO_EXP_TIME(tid_agg_rx->timeout));  in ieee80211_rx_h_ctrl()
3292 		spin_lock(&tid_agg_rx->reorder_lock);  in ieee80211_rx_h_ctrl()
3294 		ieee80211_release_reorder_frames(rx->sdata, tid_agg_rx,  in ieee80211_rx_h_ctrl()
3296 		spin_unlock(&tid_agg_rx->reorder_lock);  in ieee80211_rx_h_ctrl()
3298 		drv_event_callback(rx->local, rx->sdata, &event);  in ieee80211_rx_h_ctrl()
3316 	struct ieee80211_local *local = sdata->local;  in ieee80211_process_sa_query_req()
3320 	if (!ether_addr_equal(mgmt->da, sdata->vif.addr)) {  in ieee80211_process_sa_query_req()
3325 	if (!ether_addr_equal(mgmt->sa, sdata->deflink.u.mgd.bssid) ||  in ieee80211_process_sa_query_req()
3326 	    !ether_addr_equal(mgmt->bssid, sdata->deflink.u.mgd.bssid)) {  in ieee80211_process_sa_query_req()
3331 	if (len < 24 + 1 + sizeof(resp->u.action.u.sa_query)) {  in ieee80211_process_sa_query_req()
3336 	skb = dev_alloc_skb(sizeof(*resp) + local->hw.extra_tx_headroom);  in ieee80211_process_sa_query_req()
3340 	skb_reserve(skb, local->hw.extra_tx_headroom);  in ieee80211_process_sa_query_req()
3342 	memcpy(resp->da, mgmt->sa, ETH_ALEN);  in ieee80211_process_sa_query_req()
3343 	memcpy(resp->sa, sdata->vif.addr, ETH_ALEN);  in ieee80211_process_sa_query_req()
3344 	memcpy(resp->bssid, sdata->deflink.u.mgd.bssid, ETH_ALEN);  in ieee80211_process_sa_query_req()
3345 	resp->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |  in ieee80211_process_sa_query_req()
3347 	skb_put(skb, 1 + sizeof(resp->u.action.u.sa_query));  in ieee80211_process_sa_query_req()
3348 	resp->u.action.category = WLAN_CATEGORY_SA_QUERY;  in ieee80211_process_sa_query_req()
3349 	resp->u.action.u.sa_query.action = WLAN_ACTION_SA_QUERY_RESPONSE;  in ieee80211_process_sa_query_req()
3350 	memcpy(resp->u.action.u.sa_query.trans_id,  in ieee80211_process_sa_query_req()
3351 	       mgmt->u.action.u.sa_query.trans_id,  in ieee80211_process_sa_query_req()
3360 	struct ieee80211_mgmt *mgmt = (void *)rx->skb->data;  in ieee80211_rx_check_bss_color_collision()
3365 	if (!wiphy_ext_feature_isset(rx->local->hw.wiphy,  in ieee80211_rx_check_bss_color_collision()
3369 	if (ieee80211_hw_check(&rx->local->hw, DETECTS_COLOR_COLLISION))  in ieee80211_rx_check_bss_color_collision()
3372 	bss_conf = rx->link->conf;  in ieee80211_rx_check_bss_color_collision()
3373 	if (bss_conf->csa_active || bss_conf->color_change_active ||  in ieee80211_rx_check_bss_color_collision()
3374 	    !bss_conf->he_bss_color.enabled)  in ieee80211_rx_check_bss_color_collision()
3377 	baselen = mgmt->u.beacon.variable - rx->skb->data;  in ieee80211_rx_check_bss_color_collision()
3378 	if (baselen > rx->skb->len)  in ieee80211_rx_check_bss_color_collision()
3382 				    mgmt->u.beacon.variable,  in ieee80211_rx_check_bss_color_collision()
3383 				    rx->skb->len - baselen);  in ieee80211_rx_check_bss_color_collision()
3384 	if (ie && ie->datalen >= sizeof(struct ieee80211_he_operation) &&  in ieee80211_rx_check_bss_color_collision()
3385 	    ie->datalen >= ieee80211_he_oper_size(ie->data + 1)) {  in ieee80211_rx_check_bss_color_collision()
3389 		he_oper = (void *)(ie->data + 1);  in ieee80211_rx_check_bss_color_collision()
3390 		if (le32_get_bits(he_oper->he_oper_params,  in ieee80211_rx_check_bss_color_collision()
3394 		color = le32_get_bits(he_oper->he_oper_params,  in ieee80211_rx_check_bss_color_collision()
3396 		if (color == bss_conf->he_bss_color.color)  in ieee80211_rx_check_bss_color_collision()
3397 			ieee80211_obss_color_collision_notify(&rx->sdata->vif,  in ieee80211_rx_check_bss_color_collision()
3399 							      bss_conf->link_id);  in ieee80211_rx_check_bss_color_collision()
3406 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;  in ieee80211_rx_h_mgmt_check()
3407 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_h_mgmt_check()
3409 	if (ieee80211_is_s1g_beacon(mgmt->frame_control))  in ieee80211_rx_h_mgmt_check()
3417 	if (rx->skb->len < 24)  in ieee80211_rx_h_mgmt_check()
3420 	if (!ieee80211_is_mgmt(mgmt->frame_control))  in ieee80211_rx_h_mgmt_check()
3424 	if (ieee80211_is_action(mgmt->frame_control) &&  in ieee80211_rx_h_mgmt_check()
3425 	    rx->skb->len < IEEE80211_MIN_ACTION_SIZE)  in ieee80211_rx_h_mgmt_check()
3428 	if (rx->sdata->vif.type == NL80211_IFTYPE_AP &&  in ieee80211_rx_h_mgmt_check()
3429 	    ieee80211_is_beacon(mgmt->frame_control) &&  in ieee80211_rx_h_mgmt_check()
3430 	    !(rx->flags & IEEE80211_RX_BEACON_REPORTED)) {  in ieee80211_rx_h_mgmt_check()
3436 		if (ieee80211_hw_check(&rx->local->hw, SIGNAL_DBM) &&  in ieee80211_rx_h_mgmt_check()
3437 		    !(status->flag & RX_FLAG_NO_SIGNAL_VAL))  in ieee80211_rx_h_mgmt_check()
3438 			sig = status->signal;  in ieee80211_rx_h_mgmt_check()
3440 		cfg80211_report_obss_beacon_khz(rx->local->hw.wiphy,  in ieee80211_rx_h_mgmt_check()
3441 						rx->skb->data, rx->skb->len,  in ieee80211_rx_h_mgmt_check()
3444 		rx->flags |= IEEE80211_RX_BEACON_REPORTED;  in ieee80211_rx_h_mgmt_check()
3453 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)rx->skb->data;  in ieee80211_process_rx_twt_action()
3454 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_process_rx_twt_action()
3457 	if (sdata->vif.type != NL80211_IFTYPE_AP)  in ieee80211_process_rx_twt_action()
3460 	if (!rx->local->ops->add_twt_setup)  in ieee80211_process_rx_twt_action()
3463 	if (!sdata->vif.bss_conf.twt_responder)  in ieee80211_process_rx_twt_action()
3466 	if (!rx->sta)  in ieee80211_process_rx_twt_action()
3469 	switch (mgmt->u.action.u.s1g.action_code) {  in ieee80211_process_rx_twt_action()
3473 		if (rx->skb->len < IEEE80211_MIN_ACTION_SIZE +  in ieee80211_process_rx_twt_action()
3479 		twt = (void *)mgmt->u.action.u.s1g.variable;  in ieee80211_process_rx_twt_action()
3480 		if (twt->element_id != WLAN_EID_S1G_TWT)  in ieee80211_process_rx_twt_action()
3483 		if (rx->skb->len < IEEE80211_MIN_ACTION_SIZE +  in ieee80211_process_rx_twt_action()
3485 				   twt->length)  in ieee80211_process_rx_twt_action()
3491 		if (rx->skb->len < IEEE80211_MIN_ACTION_SIZE + 2)  in ieee80211_process_rx_twt_action()
3505 	struct ieee80211_local *local = rx->local;  in ieee80211_rx_h_action()
3506 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_action()
3507 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;  in ieee80211_rx_h_action()
3508 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_h_action()
3509 	int len = rx->skb->len;  in ieee80211_rx_h_action()
3511 	if (!ieee80211_is_action(mgmt->frame_control))  in ieee80211_rx_h_action()
3514 	if (!rx->sta && mgmt->u.action.category != WLAN_CATEGORY_PUBLIC &&  in ieee80211_rx_h_action()
3515 	    mgmt->u.action.category != WLAN_CATEGORY_SELF_PROTECTED &&  in ieee80211_rx_h_action()
3516 	    mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT)  in ieee80211_rx_h_action()
3519 	switch (mgmt->u.action.category) {  in ieee80211_rx_h_action()
3522 		if (!rx->link_sta->pub->ht_cap.ht_supported)  in ieee80211_rx_h_action()
3525 		if (sdata->vif.type != NL80211_IFTYPE_STATION &&  in ieee80211_rx_h_action()
3526 		    sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&  in ieee80211_rx_h_action()
3527 		    sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&  in ieee80211_rx_h_action()
3528 		    sdata->vif.type != NL80211_IFTYPE_AP &&  in ieee80211_rx_h_action()
3529 		    sdata->vif.type != NL80211_IFTYPE_ADHOC)  in ieee80211_rx_h_action()
3536 		switch (mgmt->u.action.u.ht_smps.action) {  in ieee80211_rx_h_action()
3542 			if (sdata->vif.type != NL80211_IFTYPE_AP &&  in ieee80211_rx_h_action()
3543 			    sdata->vif.type != NL80211_IFTYPE_AP_VLAN)  in ieee80211_rx_h_action()
3547 			switch (mgmt->u.action.u.ht_smps.smps_control) {  in ieee80211_rx_h_action()
3562 			if (rx->link_sta->pub->smps_mode == smps_mode)  in ieee80211_rx_h_action()
3564 			rx->link_sta->pub->smps_mode = smps_mode;  in ieee80211_rx_h_action()
3569 			sband = rx->local->hw.wiphy->bands[status->band];  in ieee80211_rx_h_action()
3571 			rate_control_rate_update(local, sband, rx->sta, 0,  in ieee80211_rx_h_action()
3573 			cfg80211_sta_opmode_change_notify(sdata->dev,  in ieee80211_rx_h_action()
3574 							  rx->sta->addr,  in ieee80211_rx_h_action()
3581 			u8 chanwidth = mgmt->u.action.u.ht_notify_cw.chanwidth;  in ieee80211_rx_h_action()
3586 			if (!(rx->link_sta->pub->ht_cap.cap &  in ieee80211_rx_h_action()
3593 				max_bw = ieee80211_sta_cap_rx_bw(rx->link_sta);  in ieee80211_rx_h_action()
3596 			rx->link_sta->cur_max_bandwidth = max_bw;  in ieee80211_rx_h_action()
3597 			new_bw = ieee80211_sta_cur_vht_bw(rx->link_sta);  in ieee80211_rx_h_action()
3599 			if (rx->link_sta->pub->bandwidth == new_bw)  in ieee80211_rx_h_action()
3602 			rx->link_sta->pub->bandwidth = new_bw;  in ieee80211_rx_h_action()
3603 			sband = rx->local->hw.wiphy->bands[status->band];  in ieee80211_rx_h_action()
3605 				ieee80211_sta_rx_bw_to_chan_width(rx->link_sta);  in ieee80211_rx_h_action()
3608 			rate_control_rate_update(local, sband, rx->sta, 0,  in ieee80211_rx_h_action()
3610 			cfg80211_sta_opmode_change_notify(sdata->dev,  in ieee80211_rx_h_action()
3611 							  rx->sta->addr,  in ieee80211_rx_h_action()
3625 		if (sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_action()
3627 		if (!rx->sta)  in ieee80211_rx_h_action()
3629 		if (!ether_addr_equal(mgmt->bssid, sdata->deflink.u.mgd.bssid))  in ieee80211_rx_h_action()
3631 		if (mgmt->u.action.u.ext_chan_switch.action_code !=  in ieee80211_rx_h_action()
3639 		if (sdata->vif.type != NL80211_IFTYPE_STATION &&  in ieee80211_rx_h_action()
3640 		    sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&  in ieee80211_rx_h_action()
3641 		    sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&  in ieee80211_rx_h_action()
3642 		    sdata->vif.type != NL80211_IFTYPE_AP &&  in ieee80211_rx_h_action()
3643 		    sdata->vif.type != NL80211_IFTYPE_ADHOC)  in ieee80211_rx_h_action()
3650 		switch (mgmt->u.action.u.vht_opmode_notif.action_code) {  in ieee80211_rx_h_action()
3667 		if (sdata->vif.type != NL80211_IFTYPE_STATION &&  in ieee80211_rx_h_action()
3668 		    sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&  in ieee80211_rx_h_action()
3669 		    sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&  in ieee80211_rx_h_action()
3670 		    sdata->vif.type != NL80211_IFTYPE_AP &&  in ieee80211_rx_h_action()
3671 		    sdata->vif.type != NL80211_IFTYPE_ADHOC)  in ieee80211_rx_h_action()
3678 		switch (mgmt->u.action.u.addba_req.action_code) {  in ieee80211_rx_h_action()
3681 				   sizeof(mgmt->u.action.u.addba_req)))  in ieee80211_rx_h_action()
3686 				   sizeof(mgmt->u.action.u.addba_resp)))  in ieee80211_rx_h_action()
3691 				   sizeof(mgmt->u.action.u.delba)))  in ieee80211_rx_h_action()
3704 		switch (mgmt->u.action.u.measurement.action_code) {  in ieee80211_rx_h_action()
3706 			if (status->band != NL80211_BAND_5GHZ)  in ieee80211_rx_h_action()
3710 				   sizeof(mgmt->u.action.u.measurement)))  in ieee80211_rx_h_action()
3713 			if (sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_action()
3721 				   sizeof(mgmt->u.action.u.chan_switch)))  in ieee80211_rx_h_action()
3724 			if (sdata->vif.type != NL80211_IFTYPE_STATION &&  in ieee80211_rx_h_action()
3725 			    sdata->vif.type != NL80211_IFTYPE_ADHOC &&  in ieee80211_rx_h_action()
3726 			    sdata->vif.type != NL80211_IFTYPE_MESH_POINT)  in ieee80211_rx_h_action()
3729 			if (sdata->vif.type == NL80211_IFTYPE_STATION)  in ieee80211_rx_h_action()
3730 				bssid = sdata->deflink.u.mgd.bssid;  in ieee80211_rx_h_action()
3731 			else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)  in ieee80211_rx_h_action()
3732 				bssid = sdata->u.ibss.bssid;  in ieee80211_rx_h_action()
3733 			else if (sdata->vif.type == NL80211_IFTYPE_MESH_POINT)  in ieee80211_rx_h_action()
3734 				bssid = mgmt->sa;  in ieee80211_rx_h_action()
3738 			if (!ether_addr_equal(mgmt->bssid, bssid))  in ieee80211_rx_h_action()
3747 			   sizeof(mgmt->u.action.u.self_prot.action_code)))  in ieee80211_rx_h_action()
3750 		switch (mgmt->u.action.u.self_prot.action_code) {  in ieee80211_rx_h_action()
3754 			if (!ieee80211_vif_is_mesh(&sdata->vif))  in ieee80211_rx_h_action()
3756 			if (sdata->u.mesh.user_mpm)  in ieee80211_rx_h_action()
3762 			if (!ieee80211_vif_is_mesh(&sdata->vif))  in ieee80211_rx_h_action()
3769 			   sizeof(mgmt->u.action.u.mesh_action.action_code)))  in ieee80211_rx_h_action()
3772 		if (!ieee80211_vif_is_mesh(&sdata->vif))  in ieee80211_rx_h_action()
3783 		switch (mgmt->u.action.u.s1g.action_code) {  in ieee80211_rx_h_action()
3798 		switch (mgmt->u.action.u.ttlm_req.action_code) {  in ieee80211_rx_h_action()
3800 			if (sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_action()
3808 			if (sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_action()
3824 	status->rx_flags |= IEEE80211_RX_MALFORMED_ACTION_FRM;  in ieee80211_rx_h_action()
3829 	if (rx->sta)  in ieee80211_rx_h_action()
3830 		rx->link_sta->rx_stats.packets++;  in ieee80211_rx_h_action()
3831 	dev_kfree_skb(rx->skb);  in ieee80211_rx_h_action()
3835 	ieee80211_queue_skb_to_iface(sdata, rx->link_id, rx->sta, rx->skb);  in ieee80211_rx_h_action()
3842 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_h_userspace_mgmt()
3845 		.buf = rx->skb->data,  in ieee80211_rx_h_userspace_mgmt()
3846 		.len = rx->skb->len,  in ieee80211_rx_h_userspace_mgmt()
3847 		.link_id = rx->link_id,  in ieee80211_rx_h_userspace_mgmt()
3848 		.have_link_id = rx->link_id >= 0,  in ieee80211_rx_h_userspace_mgmt()
3851 	/* skip known-bad action frames and return them in the next handler */  in ieee80211_rx_h_userspace_mgmt()
3852 	if (status->rx_flags & IEEE80211_RX_MALFORMED_ACTION_FRM)  in ieee80211_rx_h_userspace_mgmt()
3862 	if (ieee80211_hw_check(&rx->local->hw, SIGNAL_DBM) &&  in ieee80211_rx_h_userspace_mgmt()
3863 	    !(status->flag & RX_FLAG_NO_SIGNAL_VAL))  in ieee80211_rx_h_userspace_mgmt()
3864 		info.sig_dbm = status->signal;  in ieee80211_rx_h_userspace_mgmt()
3866 	if (ieee80211_is_timing_measurement(rx->skb) ||  in ieee80211_rx_h_userspace_mgmt()
3867 	    ieee80211_is_ftm(rx->skb)) {  in ieee80211_rx_h_userspace_mgmt()
3868 		info.rx_tstamp = ktime_to_ns(skb_hwtstamps(rx->skb)->hwtstamp);  in ieee80211_rx_h_userspace_mgmt()
3869 		info.ack_tstamp = ktime_to_ns(status->ack_tx_hwtstamp);  in ieee80211_rx_h_userspace_mgmt()
3872 	if (cfg80211_rx_mgmt_ext(&rx->sdata->wdev, &info)) {  in ieee80211_rx_h_userspace_mgmt()
3873 		if (rx->sta)  in ieee80211_rx_h_userspace_mgmt()
3874 			rx->link_sta->rx_stats.packets++;  in ieee80211_rx_h_userspace_mgmt()
3875 		dev_kfree_skb(rx->skb);  in ieee80211_rx_h_userspace_mgmt()
3885 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_action_post_userspace()
3886 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;  in ieee80211_rx_h_action_post_userspace()
3887 	int len = rx->skb->len;  in ieee80211_rx_h_action_post_userspace()
3889 	if (!ieee80211_is_action(mgmt->frame_control))  in ieee80211_rx_h_action_post_userspace()
3892 	switch (mgmt->u.action.category) {  in ieee80211_rx_h_action_post_userspace()
3895 			   sizeof(mgmt->u.action.u.sa_query)))  in ieee80211_rx_h_action_post_userspace()
3898 		switch (mgmt->u.action.u.sa_query.action) {  in ieee80211_rx_h_action_post_userspace()
3900 			if (sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_action_post_userspace()
3911 	if (rx->sta)  in ieee80211_rx_h_action_post_userspace()
3912 		rx->link_sta->rx_stats.packets++;  in ieee80211_rx_h_action_post_userspace()
3913 	dev_kfree_skb(rx->skb);  in ieee80211_rx_h_action_post_userspace()
3920 	struct ieee80211_local *local = rx->local;  in ieee80211_rx_h_action_return()
3921 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;  in ieee80211_rx_h_action_return()
3923 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_action_return()
3924 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_h_action_return()
3926 	if (!ieee80211_is_action(mgmt->frame_control))  in ieee80211_rx_h_action_return()
3934 	 * 802.11-2012 9.24.4.  in ieee80211_rx_h_action_return()
3939 	if (!(status->rx_flags & IEEE80211_RX_MALFORMED_ACTION_FRM) &&  in ieee80211_rx_h_action_return()
3940 	    (sdata->vif.type == NL80211_IFTYPE_AP ||  in ieee80211_rx_h_action_return()
3941 	     sdata->vif.type == NL80211_IFTYPE_AP_VLAN))  in ieee80211_rx_h_action_return()
3944 	if (is_multicast_ether_addr(mgmt->da))  in ieee80211_rx_h_action_return()
3948 	if (mgmt->u.action.category & 0x80)  in ieee80211_rx_h_action_return()
3951 	nskb = skb_copy_expand(rx->skb, local->hw.extra_tx_headroom, 0,  in ieee80211_rx_h_action_return()
3954 		struct ieee80211_mgmt *nmgmt = (void *)nskb->data;  in ieee80211_rx_h_action_return()
3956 		nmgmt->u.action.category |= 0x80;  in ieee80211_rx_h_action_return()
3957 		memcpy(nmgmt->da, nmgmt->sa, ETH_ALEN);  in ieee80211_rx_h_action_return()
3958 		memcpy(nmgmt->sa, rx->sdata->vif.addr, ETH_ALEN);  in ieee80211_rx_h_action_return()
3960 		memset(nskb->cb, 0, sizeof(nskb->cb));  in ieee80211_rx_h_action_return()
3962 		if (rx->sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) {  in ieee80211_rx_h_action_return()
3965 			info->flags = IEEE80211_TX_CTL_TX_OFFCHAN |  in ieee80211_rx_h_action_return()
3968 			if (ieee80211_hw_check(&local->hw, QUEUE_CONTROL))  in ieee80211_rx_h_action_return()
3969 				info->hw_queue =  in ieee80211_rx_h_action_return()
3970 					local->hw.offchannel_tx_hw_queue;  in ieee80211_rx_h_action_return()
3973 		__ieee80211_tx_skb_tid_band(rx->sdata, nskb, 7, -1,  in ieee80211_rx_h_action_return()
3974 					    status->band);  in ieee80211_rx_h_action_return()
3983 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_ext()
3984 	struct ieee80211_hdr *hdr = (void *)rx->skb->data;  in ieee80211_rx_h_ext()
3986 	if (!ieee80211_is_ext(hdr->frame_control))  in ieee80211_rx_h_ext()
3989 	if (sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_ext()
3993 	ieee80211_queue_skb_to_iface(sdata, rx->link_id, rx->sta, rx->skb);  in ieee80211_rx_h_ext()
4001 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_mgmt()
4002 	struct ieee80211_mgmt *mgmt = (void *)rx->skb->data;  in ieee80211_rx_h_mgmt()
4005 	stype = mgmt->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);  in ieee80211_rx_h_mgmt()
4007 	if (!ieee80211_vif_is_mesh(&sdata->vif) &&  in ieee80211_rx_h_mgmt()
4008 	    sdata->vif.type != NL80211_IFTYPE_ADHOC &&  in ieee80211_rx_h_mgmt()
4009 	    sdata->vif.type != NL80211_IFTYPE_OCB &&  in ieee80211_rx_h_mgmt()
4010 	    sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_mgmt()
4020 		if (is_multicast_ether_addr(mgmt->da) &&  in ieee80211_rx_h_mgmt()
4021 		    !is_broadcast_ether_addr(mgmt->da))  in ieee80211_rx_h_mgmt()
4025 		if (sdata->vif.type != NL80211_IFTYPE_STATION &&  in ieee80211_rx_h_mgmt()
4026 		    sdata->vif.type != NL80211_IFTYPE_ADHOC)  in ieee80211_rx_h_mgmt()
4032 		if (is_multicast_ether_addr(mgmt->da) &&  in ieee80211_rx_h_mgmt()
4033 		    !is_broadcast_ether_addr(mgmt->da))  in ieee80211_rx_h_mgmt()
4037 		if (sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_mgmt()
4042 		if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&  in ieee80211_rx_h_mgmt()
4043 		    sdata->vif.type != NL80211_IFTYPE_MESH_POINT)  in ieee80211_rx_h_mgmt()
4050 	ieee80211_queue_skb_to_iface(sdata, rx->link_id, rx->sta, rx->skb);  in ieee80211_rx_h_mgmt()
4060 	struct ieee80211_local *local = rx->local;  in ieee80211_rx_cooked_monitor()
4061 	struct sk_buff *skb = rx->skb, *skb2;  in ieee80211_rx_cooked_monitor()
4070 	if (rx->flags & IEEE80211_RX_CMNTR)  in ieee80211_rx_cooked_monitor()
4072 	rx->flags |= IEEE80211_RX_CMNTR;  in ieee80211_rx_cooked_monitor()
4075 	if (!local->cooked_mntrs)  in ieee80211_rx_cooked_monitor()
4090 	skb->ip_summed = CHECKSUM_UNNECESSARY;  in ieee80211_rx_cooked_monitor()
4091 	skb->pkt_type = PACKET_OTHERHOST;  in ieee80211_rx_cooked_monitor()
4092 	skb->protocol = htons(ETH_P_802_2);  in ieee80211_rx_cooked_monitor()
4094 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {  in ieee80211_rx_cooked_monitor()
4098 		if (sdata->vif.type != NL80211_IFTYPE_MONITOR ||  in ieee80211_rx_cooked_monitor()
4099 		    !(sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES))  in ieee80211_rx_cooked_monitor()
4105 				skb2->dev = prev_dev;  in ieee80211_rx_cooked_monitor()
4110 		prev_dev = sdata->dev;  in ieee80211_rx_cooked_monitor()
4111 		dev_sw_netstats_rx_add(sdata->dev, skb->len);  in ieee80211_rx_cooked_monitor()
4115 		skb->dev = prev_dev;  in ieee80211_rx_cooked_monitor()
4127 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_handlers_result()
4132 		I802_DEBUG_INC(rx->sdata->local->rx_handlers_queued);  in ieee80211_rx_handlers_result()
4137 		I802_DEBUG_INC(rx->sdata->local->rx_handlers_drop);  in ieee80211_rx_handlers_result()
4138 		if (rx->sta)  in ieee80211_rx_handlers_result()
4139 			rx->link_sta->rx_stats.dropped++;  in ieee80211_rx_handlers_result()
4144 		kfree_skb_reason(rx->skb, (__force u32)res);  in ieee80211_rx_handlers_result()
4148 	sband = rx->local->hw.wiphy->bands[status->band];  in ieee80211_rx_handlers_result()
4149 	if (status->encoding == RX_ENC_LEGACY)  in ieee80211_rx_handlers_result()
4150 		rate = &sband->bitrates[status->rate_idx];  in ieee80211_rx_handlers_result()
4174 	spin_lock_bh(&rx->local->rx_path_lock);  in ieee80211_rx_handlers()
4182 		rx->skb = skb;  in ieee80211_rx_handlers()
4184 		if (WARN_ON_ONCE(!rx->link))  in ieee80211_rx_handlers()
4193 		/* must be after MMIC verify so header is counted in MPDU mic */  in ieee80211_rx_handlers()
4197 		/* special treatment -- needs the queue */  in ieee80211_rx_handlers()
4216 	spin_unlock_bh(&rx->local->rx_path_lock);  in ieee80211_rx_handlers()
4250 	return !!(sta->valid_links & BIT(link_id));  in ieee80211_rx_is_valid_sta_link_id()
4256 	rx->link_id = link_id;  in ieee80211_rx_data_set_link()
4257 	rx->link = rcu_dereference(rx->sdata->link[link_id]);  in ieee80211_rx_data_set_link()
4259 	if (!rx->sta)  in ieee80211_rx_data_set_link()
4260 		return rx->link;  in ieee80211_rx_data_set_link()
4262 	if (!ieee80211_rx_is_valid_sta_link_id(&rx->sta->sta, link_id))  in ieee80211_rx_data_set_link()
4265 	rx->link_sta = rcu_dereference(rx->sta->link[link_id]);  in ieee80211_rx_data_set_link()
4267 	return rx->link && rx->link_sta;  in ieee80211_rx_data_set_link()
4273 	rx->link_id = link_id;  in ieee80211_rx_data_set_sta()
4274 	rx->sta = sta;  in ieee80211_rx_data_set_sta()
4277 		rx->local = sta->sdata->local;  in ieee80211_rx_data_set_sta()
4278 		if (!rx->sdata)  in ieee80211_rx_data_set_sta()
4279 			rx->sdata = sta->sdata;  in ieee80211_rx_data_set_sta()
4280 		rx->link_sta = &sta->deflink;  in ieee80211_rx_data_set_sta()
4282 		rx->link_sta = NULL;  in ieee80211_rx_data_set_sta()
4286 		rx->link = &rx->sdata->deflink;  in ieee80211_rx_data_set_sta()
4301 		/* This is OK -- must be QoS data frame */  in ieee80211_release_reorder_timeout()
4306 	int link_id = -1;  in ieee80211_release_reorder_timeout()
4309 	if (sta->sta.valid_links)  in ieee80211_release_reorder_timeout()
4310 		link_id = ffs(sta->sta.valid_links) - 1;  in ieee80211_release_reorder_timeout()
4315 	tid_agg_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[tid]);  in ieee80211_release_reorder_timeout()
4321 	spin_lock(&tid_agg_rx->reorder_lock);  in ieee80211_release_reorder_timeout()
4322 	ieee80211_sta_reorder_release(sta->sdata, tid_agg_rx, &frames);  in ieee80211_release_reorder_timeout()
4323 	spin_unlock(&tid_agg_rx->reorder_lock);  in ieee80211_release_reorder_timeout()
4329 			.u.ba.sta = &sta->sta,  in ieee80211_release_reorder_timeout()
4346 		/* This is OK -- must be QoS data frame */  in ieee80211_mark_rx_ba_filtered_frames()
4359 	local = sta->sdata->local;  in ieee80211_mark_rx_ba_filtered_frames()
4360 	WARN_ONCE(local->hw.max_rx_aggregation_subframes > 64,  in ieee80211_mark_rx_ba_filtered_frames()
4362 		  local->hw.max_rx_aggregation_subframes);  in ieee80211_mark_rx_ba_filtered_frames()
4364 	if (!ieee80211_rx_data_set_sta(&rx, sta, -1))  in ieee80211_mark_rx_ba_filtered_frames()
4368 	tid_agg_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[tid]);  in ieee80211_mark_rx_ba_filtered_frames()
4372 	spin_lock_bh(&tid_agg_rx->reorder_lock);  in ieee80211_mark_rx_ba_filtered_frames()
4378 		release = (tid_agg_rx->head_seq_num + tid_agg_rx->buf_size) %  in ieee80211_mark_rx_ba_filtered_frames()
4380 		ieee80211_release_reorder_frames(sta->sdata, tid_agg_rx,  in ieee80211_mark_rx_ba_filtered_frames()
4383 		tid_agg_rx->head_seq_num = ssn;  in ieee80211_mark_rx_ba_filtered_frames()
4385 		ieee80211_release_reorder_frames(sta->sdata, tid_agg_rx, ssn,  in ieee80211_mark_rx_ba_filtered_frames()
4390 	 * it can be tid_agg_rx->buf_size behind and still be valid */  in ieee80211_mark_rx_ba_filtered_frames()
4391 	diff = (tid_agg_rx->head_seq_num - ssn) & IEEE80211_SN_MASK;  in ieee80211_mark_rx_ba_filtered_frames()
4392 	if (diff >= tid_agg_rx->buf_size) {  in ieee80211_mark_rx_ba_filtered_frames()
4393 		tid_agg_rx->reorder_buf_filtered = 0;  in ieee80211_mark_rx_ba_filtered_frames()
4400 	for (i = 0; i < tid_agg_rx->buf_size; i++) {  in ieee80211_mark_rx_ba_filtered_frames()
4401 		int index = (ssn + i) % tid_agg_rx->buf_size;  in ieee80211_mark_rx_ba_filtered_frames()
4403 		tid_agg_rx->reorder_buf_filtered &= ~BIT_ULL(index);  in ieee80211_mark_rx_ba_filtered_frames()
4405 			tid_agg_rx->reorder_buf_filtered |= BIT_ULL(index);  in ieee80211_mark_rx_ba_filtered_frames()
4409 	ieee80211_sta_reorder_release(sta->sdata, tid_agg_rx, &frames);  in ieee80211_mark_rx_ba_filtered_frames()
4412 	spin_unlock_bh(&tid_agg_rx->reorder_lock);  in ieee80211_mark_rx_ba_filtered_frames()
4431 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_accept_frame()
4432 	struct sk_buff *skb = rx->skb;  in ieee80211_accept_frame()
4433 	struct ieee80211_hdr *hdr = (void *)skb->data;  in ieee80211_accept_frame()
4435 	u8 *bssid = ieee80211_get_bssid(hdr, skb->len, sdata->vif.type);  in ieee80211_accept_frame()
4436 	bool multicast = is_multicast_ether_addr(hdr->addr1) ||  in ieee80211_accept_frame()
4437 			 ieee80211_is_s1g_beacon(hdr->frame_control);  in ieee80211_accept_frame()
4439 	switch (sdata->vif.type) {  in ieee80211_accept_frame()
4441 		if (!bssid && !sdata->u.mgd.use_4addr)  in ieee80211_accept_frame()
4443 		if (ieee80211_is_first_frag(hdr->seq_ctrl) &&  in ieee80211_accept_frame()
4444 		    ieee80211_is_robust_mgmt_frame(skb) && !rx->sta)  in ieee80211_accept_frame()
4448 		return ieee80211_is_our_addr(sdata, hdr->addr1, &rx->link_id);  in ieee80211_accept_frame()
4452 		if (ether_addr_equal(sdata->vif.addr, hdr->addr2) ||  in ieee80211_accept_frame()
4453 		    ether_addr_equal(sdata->u.ibss.bssid, hdr->addr2) ||  in ieee80211_accept_frame()
4454 		    !is_valid_ether_addr(hdr->addr2))  in ieee80211_accept_frame()
4456 		if (ieee80211_is_beacon(hdr->frame_control))  in ieee80211_accept_frame()
4458 		if (!ieee80211_bssid_match(bssid, sdata->u.ibss.bssid))  in ieee80211_accept_frame()
4461 		    !ether_addr_equal(sdata->vif.addr, hdr->addr1))  in ieee80211_accept_frame()
4463 		if (!rx->sta) {  in ieee80211_accept_frame()
4465 			if (status->encoding != RX_ENC_LEGACY)  in ieee80211_accept_frame()
4468 				rate_idx = status->rate_idx;  in ieee80211_accept_frame()
4469 			ieee80211_ibss_rx_no_sta(sdata, bssid, hdr->addr2,  in ieee80211_accept_frame()
4476 		if (!ieee80211_is_data_present(hdr->frame_control))  in ieee80211_accept_frame()
4481 		    !ether_addr_equal(sdata->dev->dev_addr, hdr->addr1))  in ieee80211_accept_frame()
4483 		if (!rx->sta) {  in ieee80211_accept_frame()
4485 			if (status->encoding != RX_ENC_LEGACY)  in ieee80211_accept_frame()
4488 				rate_idx = status->rate_idx;  in ieee80211_accept_frame()
4489 			ieee80211_ocb_rx_no_sta(sdata, bssid, hdr->addr2,  in ieee80211_accept_frame()
4494 		if (ether_addr_equal(sdata->vif.addr, hdr->addr2))  in ieee80211_accept_frame()
4498 		return ether_addr_equal(sdata->vif.addr, hdr->addr1);  in ieee80211_accept_frame()
4502 			return ieee80211_is_our_addr(sdata, hdr->addr1,  in ieee80211_accept_frame()
4503 						     &rx->link_id);  in ieee80211_accept_frame()
4514 			    !ieee80211_is_our_addr(sdata, hdr->addr1,  in ieee80211_accept_frame()
4515 						   &rx->link_id))  in ieee80211_accept_frame()
4517 			if (ieee80211_is_public_action(hdr, skb->len))  in ieee80211_accept_frame()
4519 			return ieee80211_is_beacon(hdr->frame_control);  in ieee80211_accept_frame()
4522 		if (!ieee80211_has_tods(hdr->frame_control)) {  in ieee80211_accept_frame()
4523 			/* ignore data frames to TDLS-peers */  in ieee80211_accept_frame()
4524 			if (ieee80211_is_data(hdr->frame_control))  in ieee80211_accept_frame()
4526 			/* ignore action frames to TDLS-peers */  in ieee80211_accept_frame()
4527 			if (ieee80211_is_action(hdr->frame_control) &&  in ieee80211_accept_frame()
4529 			    !ether_addr_equal(bssid, hdr->addr1))  in ieee80211_accept_frame()
4534 		 * 802.11-2016 Table 9-26 says that for data frames, A1 must be  in ieee80211_accept_frame()
4535 		 * the BSSID - we've checked that already but may have accepted  in ieee80211_accept_frame()
4550 		if (ieee80211_is_data(hdr->frame_control) && multicast)  in ieee80211_accept_frame()
4555 		return ieee80211_is_public_action(hdr, skb->len) ||  in ieee80211_accept_frame()
4556 		       ieee80211_is_probe_req(hdr->frame_control) ||  in ieee80211_accept_frame()
4557 		       ieee80211_is_probe_resp(hdr->frame_control) ||  in ieee80211_accept_frame()
4558 		       ieee80211_is_beacon(hdr->frame_control);  in ieee80211_accept_frame()
4572 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in ieee80211_check_fast_rx()
4573 	struct ieee80211_local *local = sdata->local;  in ieee80211_check_fast_rx()
4576 		.dev = sdata->dev,  in ieee80211_check_fast_rx()
4577 		.vif_type = sdata->vif.type,  in ieee80211_check_fast_rx()
4578 		.control_port_protocol = sdata->control_port_protocol,  in ieee80211_check_fast_rx()
4591 	ether_addr_copy(fastrx.vif_addr, sdata->vif.addr);  in ieee80211_check_fast_rx()
4593 	fastrx.uses_rss = ieee80211_hw_check(&local->hw, USES_RSS);  in ieee80211_check_fast_rx()
4595 	/* fast-rx doesn't do reordering */  in ieee80211_check_fast_rx()
4596 	if (ieee80211_hw_check(&local->hw, AMPDU_AGGREGATION) &&  in ieee80211_check_fast_rx()
4597 	    !ieee80211_hw_check(&local->hw, SUPPORTS_REORDERING_BUFFER))  in ieee80211_check_fast_rx()
4600 	switch (sdata->vif.type) {  in ieee80211_check_fast_rx()
4602 		if (sta->sta.tdls) {  in ieee80211_check_fast_rx()
4613 		if (sdata->u.mgd.use_4addr && !sta->sta.tdls) {  in ieee80211_check_fast_rx()
4620 		if (!sdata->u.mgd.powersave)  in ieee80211_check_fast_rx()
4624 		if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK))  in ieee80211_check_fast_rx()
4626 		if (ieee80211_hw_check(&local->hw, SUPPORTS_PS) &&  in ieee80211_check_fast_rx()
4627 		    !ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))  in ieee80211_check_fast_rx()
4632 		/* parallel-rx requires this, at least with calls to  in ieee80211_check_fast_rx()
4635 		if (!ieee80211_hw_check(&local->hw, AP_LINK_PS))  in ieee80211_check_fast_rx()
4642 			!(sdata->flags & IEEE80211_SDATA_DONT_BRIDGE_PACKETS) &&  in ieee80211_check_fast_rx()
4643 			(sdata->vif.type != NL80211_IFTYPE_AP_VLAN ||  in ieee80211_check_fast_rx()
4644 			 !sdata->u.vlan.sta);  in ieee80211_check_fast_rx()
4646 		if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&  in ieee80211_check_fast_rx()
4647 		    sdata->u.vlan.sta) {  in ieee80211_check_fast_rx()
4669 	key = rcu_dereference(sta->ptk[sta->ptk_idx]);  in ieee80211_check_fast_rx()
4671 		key = rcu_dereference(sdata->default_unicast_key);  in ieee80211_check_fast_rx()
4673 		switch (key->conf.cipher) {  in ieee80211_check_fast_rx()
4675 			/* we don't want to deal with MMIC in fast-rx */  in ieee80211_check_fast_rx()
4690 		fastrx.icv_len = key->conf.icv_len;  in ieee80211_check_fast_rx()
4702 	offload_flags = get_bss_sdata(sdata)->vif.offload_flags;  in ieee80211_check_fast_rx()
4711 		drv_sta_set_decap_offload(local, sdata, &sta->sta, assign);  in ieee80211_check_fast_rx()
4713 	spin_lock_bh(&sta->lock);  in ieee80211_check_fast_rx()
4714 	old = rcu_dereference_protected(sta->fast_rx, true);  in ieee80211_check_fast_rx()
4715 	rcu_assign_pointer(sta->fast_rx, new);  in ieee80211_check_fast_rx()
4716 	spin_unlock_bh(&sta->lock);  in ieee80211_check_fast_rx()
4726 	spin_lock_bh(&sta->lock);  in ieee80211_clear_fast_rx()
4727 	old = rcu_dereference_protected(sta->fast_rx, true);  in ieee80211_clear_fast_rx()
4728 	RCU_INIT_POINTER(sta->fast_rx, NULL);  in ieee80211_clear_fast_rx()
4729 	spin_unlock_bh(&sta->lock);  in ieee80211_clear_fast_rx()
4737 	struct ieee80211_local *local = sdata->local;  in __ieee80211_check_fast_rx_iface()
4740 	lockdep_assert_wiphy(local->hw.wiphy);  in __ieee80211_check_fast_rx_iface()
4742 	list_for_each_entry(sta, &local->sta_list, list) {  in __ieee80211_check_fast_rx_iface()
4743 		if (sdata != sta->sdata &&  in __ieee80211_check_fast_rx_iface()
4744 		    (!sta->sdata->bss || sta->sdata->bss != sdata->bss))  in __ieee80211_check_fast_rx_iface()
4752 	struct ieee80211_local *local = sdata->local;  in ieee80211_check_fast_rx_iface()
4754 	lockdep_assert_wiphy(local->hw.wiphy);  in ieee80211_check_fast_rx_iface()
4764 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_8023()
4765 	struct sta_info *sta = rx->sta;  in ieee80211_rx_8023()
4767 	struct sk_buff *skb = rx->skb;  in ieee80211_rx_8023()
4768 	void *sa = skb->data + ETH_ALEN;  in ieee80211_rx_8023()
4769 	void *da = skb->data;  in ieee80211_rx_8023()
4771 	if (rx->link_id >= 0) {  in ieee80211_rx_8023()
4772 		link_sta = rcu_dereference(sta->link[rx->link_id]);  in ieee80211_rx_8023()
4774 			dev_kfree_skb(rx->skb);  in ieee80211_rx_8023()
4778 		link_sta = &sta->deflink;  in ieee80211_rx_8023()
4781 	stats = &link_sta->rx_stats;  in ieee80211_rx_8023()
4782 	if (fast_rx->uses_rss)  in ieee80211_rx_8023()
4783 		stats = this_cpu_ptr(link_sta->pcpu_rx_stats);  in ieee80211_rx_8023()
4786 	if (!(status->flag & RX_FLAG_NO_SIGNAL_VAL)) {  in ieee80211_rx_8023()
4787 		stats->last_signal = status->signal;  in ieee80211_rx_8023()
4788 		if (!fast_rx->uses_rss)  in ieee80211_rx_8023()
4789 			ewma_signal_add(&link_sta->rx_stats_avg.signal,  in ieee80211_rx_8023()
4790 					-status->signal);  in ieee80211_rx_8023()
4793 	if (status->chains) {  in ieee80211_rx_8023()
4796 		stats->chains = status->chains;  in ieee80211_rx_8023()
4797 		for (i = 0; i < ARRAY_SIZE(status->chain_signal); i++) {  in ieee80211_rx_8023()
4798 			int signal = status->chain_signal[i];  in ieee80211_rx_8023()
4800 			if (!(status->chains & BIT(i)))  in ieee80211_rx_8023()
4803 			stats->chain_signal_last[i] = signal;  in ieee80211_rx_8023()
4804 			if (!fast_rx->uses_rss)  in ieee80211_rx_8023()
4805 				ewma_signal_add(&link_sta->rx_stats_avg.chain_signal[i],  in ieee80211_rx_8023()
4806 						-signal);  in ieee80211_rx_8023()
4811 	stats->last_rx = jiffies;  in ieee80211_rx_8023()
4812 	stats->last_rate = sta_stats_encode_rate(status);  in ieee80211_rx_8023()
4814 	stats->fragments++;  in ieee80211_rx_8023()
4815 	stats->packets++;  in ieee80211_rx_8023()
4817 	skb->dev = fast_rx->dev;  in ieee80211_rx_8023()
4819 	dev_sw_netstats_rx_add(fast_rx->dev, skb->len);  in ieee80211_rx_8023()
4823 	 * for non-QoS-data frames. Here we know it's a data  in ieee80211_rx_8023()
4826 	u64_stats_update_begin(&stats->syncp);  in ieee80211_rx_8023()
4827 	stats->msdu[rx->seqno_idx]++;  in ieee80211_rx_8023()
4828 	stats->bytes += orig_len;  in ieee80211_rx_8023()
4829 	u64_stats_update_end(&stats->syncp);  in ieee80211_rx_8023()
4831 	if (fast_rx->internal_forward) {  in ieee80211_rx_8023()
4836 			   sta_info_get(rx->sdata, da)) {  in ieee80211_rx_8023()
4847 			xmit_skb->priority += 256;  in ieee80211_rx_8023()
4848 			xmit_skb->protocol = htons(ETH_P_802_3);  in ieee80211_rx_8023()
4859 	skb->protocol = eth_type_trans(skb, fast_rx->dev);  in ieee80211_rx_8023()
4866 	struct sk_buff *skb = rx->skb;  in ieee80211_invoke_fast_rx()
4867 	struct ieee80211_hdr *hdr = (void *)skb->data;  in ieee80211_invoke_fast_rx()
4870 	int orig_len = skb->len;  in ieee80211_invoke_fast_rx()
4871 	int hdrlen = ieee80211_hdrlen(hdr->frame_control);  in ieee80211_invoke_fast_rx()
4883 	/* for parallel-rx, we need to have DUP_VALIDATED, otherwise we write  in ieee80211_invoke_fast_rx()
4887 	if (!(status->flag & RX_FLAG_DUP_VALIDATED))  in ieee80211_invoke_fast_rx()
4893 	 *  - PN_VALIDATED: similar, but the implementation is tricky  in ieee80211_invoke_fast_rx()
4894 	 *  - DECRYPTED: necessary for PN_VALIDATED  in ieee80211_invoke_fast_rx()
4896 	if (fast_rx->key &&  in ieee80211_invoke_fast_rx()
4897 	    (status->flag & FAST_RX_CRYPT_FLAGS) != FAST_RX_CRYPT_FLAGS)  in ieee80211_invoke_fast_rx()
4900 	if (unlikely(!ieee80211_is_data_present(hdr->frame_control)))  in ieee80211_invoke_fast_rx()
4915 	if (!ether_addr_equal(fast_rx->vif_addr, hdr->addr1))  in ieee80211_invoke_fast_rx()
4918 	if ((hdr->frame_control & cpu_to_le16(IEEE80211_FCTL_FROMDS |  in ieee80211_invoke_fast_rx()
4920 	    fast_rx->expected_ds_bits)  in ieee80211_invoke_fast_rx()
4924 	 * and strip the IV/MIC if necessary  in ieee80211_invoke_fast_rx()
4926 	if (fast_rx->key && !(status->flag & RX_FLAG_IV_STRIPPED)) {  in ieee80211_invoke_fast_rx()
4931 	if (!ieee80211_vif_is_mesh(&rx->sdata->vif) &&  in ieee80211_invoke_fast_rx()
4932 	    !(status->rx_flags & IEEE80211_RX_AMSDU)) {  in ieee80211_invoke_fast_rx()
4936 		payload = (void *)(skb->data + snap_offs);  in ieee80211_invoke_fast_rx()
4938 		if (!ether_addr_equal(payload->snap, fast_rx->rfc1042_hdr))  in ieee80211_invoke_fast_rx()
4943 		 * bridge-tunnel header - but if we get them this way then  in ieee80211_invoke_fast_rx()
4946 		if (unlikely(payload->proto == cpu_to_be16(ETH_P_TDLS) ||  in ieee80211_invoke_fast_rx()
4947 			     payload->proto == fast_rx->control_port_protocol))  in ieee80211_invoke_fast_rx()
4953 	if (rx->key && !(status->flag & RX_FLAG_MIC_STRIPPED) &&  in ieee80211_invoke_fast_rx()
4954 	    pskb_trim(skb, skb->len - fast_rx->icv_len))  in ieee80211_invoke_fast_rx()
4957 	if (rx->key && !ieee80211_has_protected(hdr->frame_control))  in ieee80211_invoke_fast_rx()
4960 	if (status->rx_flags & IEEE80211_RX_AMSDU) {  in ieee80211_invoke_fast_rx()
4961 		if (__ieee80211_rx_h_amsdu(rx, snap_offs - hdrlen) !=  in ieee80211_invoke_fast_rx()
4968 	/* do the header conversion - first grab the addresses */  in ieee80211_invoke_fast_rx()
4969 	ether_addr_copy(addrs.da, skb->data + fast_rx->da_offs);  in ieee80211_invoke_fast_rx()
4970 	ether_addr_copy(addrs.sa, skb->data + fast_rx->sa_offs);  in ieee80211_invoke_fast_rx()
4971 	if (ieee80211_vif_is_mesh(&rx->sdata->vif)) {  in ieee80211_invoke_fast_rx()
4972 	    skb_pull(skb, snap_offs - 2);  in ieee80211_invoke_fast_rx()
4973 	    put_unaligned_be16(skb->len - 2, skb->data);  in ieee80211_invoke_fast_rx()
4975 	    skb_postpull_rcsum(skb, skb->data + snap_offs,  in ieee80211_invoke_fast_rx()
4984 	res = ieee80211_rx_mesh_data(rx->sdata, rx->sta, rx->skb);  in ieee80211_invoke_fast_rx()
5000 	if (fast_rx->uses_rss)  in ieee80211_invoke_fast_rx()
5001 		stats = this_cpu_ptr(rx->link_sta->pcpu_rx_stats);  in ieee80211_invoke_fast_rx()
5003 		stats = &rx->link_sta->rx_stats;  in ieee80211_invoke_fast_rx()
5005 	stats->dropped++;  in ieee80211_invoke_fast_rx()
5018 	struct ieee80211_local *local = rx->local;  in ieee80211_prepare_and_rx_handle()
5019 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_prepare_and_rx_handle()
5020 	struct ieee80211_hdr *hdr = (void *)skb->data;  in ieee80211_prepare_and_rx_handle()
5021 	struct link_sta_info *link_sta = rx->link_sta;  in ieee80211_prepare_and_rx_handle()
5022 	struct ieee80211_link_data *link = rx->link;  in ieee80211_prepare_and_rx_handle()
5024 	rx->skb = skb;  in ieee80211_prepare_and_rx_handle()
5026 	/* See if we can do fast-rx; if we have to copy we already lost,  in ieee80211_prepare_and_rx_handle()
5033 	if (consume && rx->sta) {  in ieee80211_prepare_and_rx_handle()
5036 		fast_rx = rcu_dereference(rx->sta->fast_rx);  in ieee80211_prepare_and_rx_handle()
5047 		rx->skb = skb_copy(skb, GFP_ATOMIC);  in ieee80211_prepare_and_rx_handle()
5048 		if (!rx->skb) {  in ieee80211_prepare_and_rx_handle()
5050 				wiphy_debug(local->hw.wiphy,  in ieee80211_prepare_and_rx_handle()
5052 					sdata->name);  in ieee80211_prepare_and_rx_handle()
5059 		shwt = skb_hwtstamps(rx->skb);  in ieee80211_prepare_and_rx_handle()
5060 		shwt->hwtstamp = skb_hwtstamps(skb)->hwtstamp;  in ieee80211_prepare_and_rx_handle()
5063 		hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_prepare_and_rx_handle()
5066 	if (unlikely(rx->sta && rx->sta->sta.mlo) &&  in ieee80211_prepare_and_rx_handle()
5067 	    is_unicast_ether_addr(hdr->addr1) &&  in ieee80211_prepare_and_rx_handle()
5068 	    !ieee80211_is_probe_resp(hdr->frame_control) &&  in ieee80211_prepare_and_rx_handle()
5069 	    !ieee80211_is_beacon(hdr->frame_control)) {  in ieee80211_prepare_and_rx_handle()
5071 		if (ether_addr_equal(link->conf->addr, hdr->addr1))  in ieee80211_prepare_and_rx_handle()
5072 			ether_addr_copy(hdr->addr1, rx->sdata->vif.addr);  in ieee80211_prepare_and_rx_handle()
5073 		if (ether_addr_equal(link_sta->addr, hdr->addr2))  in ieee80211_prepare_and_rx_handle()
5074 			ether_addr_copy(hdr->addr2, rx->sta->addr);  in ieee80211_prepare_and_rx_handle()
5076 		if (!ieee80211_has_tods(hdr->frame_control) &&  in ieee80211_prepare_and_rx_handle()
5077 		    !ieee80211_has_fromds(hdr->frame_control)) {  in ieee80211_prepare_and_rx_handle()
5078 			if (ether_addr_equal(link_sta->addr, hdr->addr3))  in ieee80211_prepare_and_rx_handle()
5079 				ether_addr_copy(hdr->addr3, rx->sta->addr);  in ieee80211_prepare_and_rx_handle()
5080 			else if (ether_addr_equal(link->conf->addr, hdr->addr3))  in ieee80211_prepare_and_rx_handle()
5081 				ether_addr_copy(hdr->addr3, rx->sdata->vif.addr);  in ieee80211_prepare_and_rx_handle()
5100 	int link_id = -1;  in __ieee80211_rx_handle_8023()
5106 	rx.link_id = -1;  in __ieee80211_rx_handle_8023()
5108 	I802_DEBUG_INC(local->dot11ReceivedFragmentCount);  in __ieee80211_rx_handle_8023()
5111 	if (skb->len < sizeof(struct ethhdr))  in __ieee80211_rx_handle_8023()
5117 	if (status->link_valid)  in __ieee80211_rx_handle_8023()
5118 		link_id = status->link_id;  in __ieee80211_rx_handle_8023()
5131 	fast_rx = rcu_dereference(rx.sta->fast_rx);  in __ieee80211_rx_handle_8023()
5135 	ieee80211_rx_8023(&rx, fast_rx, skb->len);  in __ieee80211_rx_handle_8023()
5146 	struct ieee80211_hdr *hdr = (void *)skb->data;  in ieee80211_rx_for_interface()
5148 	int link_id = -1;  in ieee80211_rx_for_interface()
5156 	link_sta = link_sta_info_get_bss(rx->sdata, hdr->addr2);  in ieee80211_rx_for_interface()
5158 		sta = link_sta->sta;  in ieee80211_rx_for_interface()
5159 		link_id = link_sta->link_id;  in ieee80211_rx_for_interface()
5163 		sta = sta_info_get_bss(rx->sdata, hdr->addr2);  in ieee80211_rx_for_interface()
5164 		if (status->link_valid)  in ieee80211_rx_for_interface()
5165 			link_id = status->link_id;  in ieee80211_rx_for_interface()
5193 	fc = ((struct ieee80211_hdr *)skb->data)->frame_control;  in __ieee80211_rx_handle_packet()
5198 	rx.link_id = -1;  in __ieee80211_rx_handle_packet()
5201 		I802_DEBUG_INC(local->dot11ReceivedFragmentCount);  in __ieee80211_rx_handle_packet()
5205 		if (skb->len < ieee80211_hdrlen(fc))  in __ieee80211_rx_handle_packet()
5206 			err = -ENOBUFS;  in __ieee80211_rx_handle_packet()
5218 	hdr = (struct ieee80211_hdr *)skb->data;  in __ieee80211_rx_handle_packet()
5222 	if (unlikely(ieee80211_is_probe_resp(hdr->frame_control) ||  in __ieee80211_rx_handle_packet()
5223 		     ieee80211_is_beacon(hdr->frame_control) ||  in __ieee80211_rx_handle_packet()
5224 		     ieee80211_is_s1g_beacon(hdr->frame_control)))  in __ieee80211_rx_handle_packet()
5229 		int link_id = -1;  in __ieee80211_rx_handle_packet()
5231 		if (status->link_valid)  in __ieee80211_rx_handle_packet()
5232 			link_id = status->link_id;  in __ieee80211_rx_handle_packet()
5247 			if (!status->link_valid && pubsta->mlo) {  in __ieee80211_rx_handle_packet()
5251 								 hdr->addr2);  in __ieee80211_rx_handle_packet()
5255 				ieee80211_rx_data_set_link(&rx, link_sta->link_id);  in __ieee80211_rx_handle_packet()
5265 		for_each_sta_info(local, hdr->addr2, sta, tmp) {  in __ieee80211_rx_handle_packet()
5271 			rx.sdata = prev_sta->sdata;  in __ieee80211_rx_handle_packet()
5275 			if (!status->link_valid && prev_sta->sta.mlo)  in __ieee80211_rx_handle_packet()
5284 			rx.sdata = prev_sta->sdata;  in __ieee80211_rx_handle_packet()
5288 			if (!status->link_valid && prev_sta->sta.mlo)  in __ieee80211_rx_handle_packet()
5299 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {  in __ieee80211_rx_handle_packet()
5303 		if (sdata->vif.type == NL80211_IFTYPE_MONITOR ||  in __ieee80211_rx_handle_packet()
5304 		    sdata->vif.type == NL80211_IFTYPE_AP_VLAN)  in __ieee80211_rx_handle_packet()
5346 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;  in ieee80211_rx_list()
5350 	if (WARN_ON(status->band >= NUM_NL80211_BANDS))  in ieee80211_rx_list()
5353 	sband = local->hw.wiphy->bands[status->band];  in ieee80211_rx_list()
5364 	if (unlikely(local->quiescing || local->suspended))  in ieee80211_rx_list()
5368 	if (unlikely(local->in_reconfig))  in ieee80211_rx_list()
5375 	if (WARN_ON(!local->started))  in ieee80211_rx_list()
5378 	if (likely(!(status->flag & RX_FLAG_FAILED_PLCP_CRC))) {  in ieee80211_rx_list()
5384 		switch (status->encoding) {  in ieee80211_rx_list()
5387 			 * rate_idx is MCS index, which can be [0-76]  in ieee80211_rx_list()
5396 			if (WARN(status->rate_idx > 76,  in ieee80211_rx_list()
5398 				 "status->rate_idx is not "  in ieee80211_rx_list()
5399 				 "an MCS index [0-76]: %d (0x%02x)\n",  in ieee80211_rx_list()
5400 				 status->rate_idx,  in ieee80211_rx_list()
5401 				 status->rate_idx))  in ieee80211_rx_list()
5405 			if (WARN_ONCE(status->rate_idx > 11 ||  in ieee80211_rx_list()
5406 				      !status->nss ||  in ieee80211_rx_list()
5407 				      status->nss > 8,  in ieee80211_rx_list()
5409 				      status->rate_idx, status->nss))  in ieee80211_rx_list()
5413 			if (WARN_ONCE(status->rate_idx > 11 ||  in ieee80211_rx_list()
5414 				      !status->nss ||  in ieee80211_rx_list()
5415 				      status->nss > 8,  in ieee80211_rx_list()
5417 				      status->rate_idx, status->nss))  in ieee80211_rx_list()
5421 			if (WARN_ONCE(status->rate_idx > 15 ||  in ieee80211_rx_list()
5422 				      !status->nss ||  in ieee80211_rx_list()
5423 				      status->nss > 8 ||  in ieee80211_rx_list()
5424 				      status->eht.gi > NL80211_RATE_INFO_EHT_GI_3_2,  in ieee80211_rx_list()
5426 				      status->rate_idx, status->nss, status->eht.gi))  in ieee80211_rx_list()
5433 			if (WARN_ON(status->rate_idx >= sband->n_bitrates))  in ieee80211_rx_list()
5435 			rate = &sband->bitrates[status->rate_idx];  in ieee80211_rx_list()
5439 	if (WARN_ON_ONCE(status->link_id >= IEEE80211_LINK_UNSPECIFIED))  in ieee80211_rx_list()
5442 	status->rx_flags = 0;  in ieee80211_rx_list()
5452 	if (!(status->flag & RX_FLAG_8023))  in ieee80211_rx_list()
5455 		if ((status->flag & RX_FLAG_8023) ||  in ieee80211_rx_list()
5456 			ieee80211_is_data_present(hdr->frame_control))  in ieee80211_rx_list()
5457 			ieee80211_tpt_led_trig_rx(local, skb->len);  in ieee80211_rx_list()
5459 		if (status->flag & RX_FLAG_8023)  in ieee80211_rx_list()
5481 	 * and this requires that we are in a read-side RCU section during  in ieee80211_rx_napi()
5506 	BUILD_BUG_ON(sizeof(struct ieee80211_rx_status) > sizeof(skb->cb));  in ieee80211_rx_irqsafe()
5508 	skb->pkt_type = IEEE80211_RX_MSG;  in ieee80211_rx_irqsafe()
5509 	skb_queue_tail(&local->skb_queue, skb);  in ieee80211_rx_irqsafe()
5510 	tasklet_schedule(&local->tasklet);  in ieee80211_rx_irqsafe()