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) 2018-2021 Intel Corporation
26 #include "driver-ops.h"
35 static inline void ieee80211_rx_stats(struct net_device *dev, u32 len)  in ieee80211_rx_stats()  argument
37 	struct pcpu_sw_netstats *tstats = this_cpu_ptr(dev->tstats);  in ieee80211_rx_stats()
39 	u64_stats_update_begin(&tstats->syncp);  in ieee80211_rx_stats()
40 	tstats->rx_packets++;  in ieee80211_rx_stats()
41 	tstats->rx_bytes += len;  in ieee80211_rx_stats()
42 	u64_stats_update_end(&tstats->syncp);  in ieee80211_rx_stats()
60 		__pskb_trim(skb, skb->len - present_fcs_len);  in ieee80211_clean_skb()
63 	hdr = (void *)skb->data;  in ieee80211_clean_skb()
64 	fc = hdr->frame_control;  in ieee80211_clean_skb()
67 	 * Remove the HT-Control field (if present) on management  in ieee80211_clean_skb()
77 	hdr->frame_control &= ~cpu_to_le16(IEEE80211_FCTL_ORDER);  in ieee80211_clean_skb()
84 	memmove(skb->data + IEEE80211_HT_CTL_LEN, skb->data,  in ieee80211_clean_skb()
85 		hdrlen - IEEE80211_HT_CTL_LEN);  in ieee80211_clean_skb()
97 	hdr = (void *)(skb->data + rtap_space);  in should_drop_frame()
99 	if (status->flag & (RX_FLAG_FAILED_FCS_CRC |  in should_drop_frame()
105 	if (unlikely(skb->len < 16 + present_fcs_len + rtap_space))  in should_drop_frame()
108 	if (ieee80211_is_ctl(hdr->frame_control) &&  in should_drop_frame()
109 	    !ieee80211_is_pspoll(hdr->frame_control) &&  in should_drop_frame()
110 	    !ieee80211_is_back_req(hdr->frame_control))  in should_drop_frame()
127 	if (status->chains)  in ieee80211_rx_radiotap_hdrlen()
128 		len += 4 * hweight8(status->chains);  in ieee80211_rx_radiotap_hdrlen()
130 	if (status->flag & RX_FLAG_RADIOTAP_VENDOR_DATA)  in ieee80211_rx_radiotap_hdrlen()
137 	if (ieee80211_hw_check(&local->hw, SIGNAL_DBM))  in ieee80211_rx_radiotap_hdrlen()
140 	/* antenna field, if we don't have per-chain info */  in ieee80211_rx_radiotap_hdrlen()
141 	if (!status->chains)  in ieee80211_rx_radiotap_hdrlen()
147 	if (status->encoding == RX_ENC_HT) /* HT info */  in ieee80211_rx_radiotap_hdrlen()
150 	if (status->flag & RX_FLAG_AMPDU_DETAILS) {  in ieee80211_rx_radiotap_hdrlen()
155 	if (status->encoding == RX_ENC_VHT) {  in ieee80211_rx_radiotap_hdrlen()
160 	if (local->hw.radiotap_timestamp.units_pos >= 0) {  in ieee80211_rx_radiotap_hdrlen()
165 	if (status->encoding == RX_ENC_HE &&  in ieee80211_rx_radiotap_hdrlen()
166 	    status->flag & RX_FLAG_RADIOTAP_HE) {  in ieee80211_rx_radiotap_hdrlen()
172 	if (status->encoding == RX_ENC_HE &&  in ieee80211_rx_radiotap_hdrlen()
173 	    status->flag & RX_FLAG_RADIOTAP_HE_MU) {  in ieee80211_rx_radiotap_hdrlen()
179 	if (status->flag & RX_FLAG_NO_PSDU)  in ieee80211_rx_radiotap_hdrlen()
182 	if (status->flag & RX_FLAG_RADIOTAP_LSIG) {  in ieee80211_rx_radiotap_hdrlen()
188 	if (status->chains) {  in ieee80211_rx_radiotap_hdrlen()
190 		len += 2 * hweight8(status->chains);  in ieee80211_rx_radiotap_hdrlen()
193 	if (status->flag & RX_FLAG_RADIOTAP_VENDOR_DATA) {  in ieee80211_rx_radiotap_hdrlen()
198 		 * The position to look at depends on the existence (or non-  in ieee80211_rx_radiotap_hdrlen()
201 		if (status->flag & RX_FLAG_RADIOTAP_HE)  in ieee80211_rx_radiotap_hdrlen()
204 		if (status->flag & RX_FLAG_RADIOTAP_HE_MU)  in ieee80211_rx_radiotap_hdrlen()
207 		if (status->flag & RX_FLAG_RADIOTAP_LSIG)  in ieee80211_rx_radiotap_hdrlen()
211 		rtap = (void *)&skb->data[vendor_data_offset];  in ieee80211_rx_radiotap_hdrlen()
213 		/* alignment for fixed 6-byte vendor data header */  in ieee80211_rx_radiotap_hdrlen()
217 		if (WARN_ON(rtap->align == 0))  in ieee80211_rx_radiotap_hdrlen()
218 			rtap->align = 1;  in ieee80211_rx_radiotap_hdrlen()
219 		len = ALIGN(len, rtap->align);  in ieee80211_rx_radiotap_hdrlen()
220 		len += rtap->len + rtap->pad;  in ieee80211_rx_radiotap_hdrlen()
241 	if (skb->len < rtap_space + sizeof(action) +  in ieee80211_handle_mu_mimo_mon()
245 	if (!is_valid_ether_addr(sdata->u.mntr.mu_follow_addr))  in ieee80211_handle_mu_mimo_mon()
259 	if (!ether_addr_equal(action.hdr.addr1, sdata->u.mntr.mu_follow_addr))  in ieee80211_handle_mu_mimo_mon()
266 	skb_queue_tail(&sdata->skb_queue, skb);  in ieee80211_handle_mu_mimo_mon()
267 	ieee80211_queue_work(&sdata->local->hw, &sdata->work);  in ieee80211_handle_mu_mimo_mon()
271  * ieee80211_add_rx_radiotap_header - add radiotap header
289 	unsigned long chains = status->chains;  in ieee80211_add_rx_radiotap_header()
295 	if (status->flag & RX_FLAG_RADIOTAP_HE) {  in ieee80211_add_rx_radiotap_header()
296 		he = *(struct ieee80211_radiotap_he *)skb->data;  in ieee80211_add_rx_radiotap_header()
298 		WARN_ON_ONCE(status->encoding != RX_ENC_HE);  in ieee80211_add_rx_radiotap_header()
301 	if (status->flag & RX_FLAG_RADIOTAP_HE_MU) {  in ieee80211_add_rx_radiotap_header()
302 		he_mu = *(struct ieee80211_radiotap_he_mu *)skb->data;  in ieee80211_add_rx_radiotap_header()
306 	if (status->flag & RX_FLAG_RADIOTAP_LSIG) {  in ieee80211_add_rx_radiotap_header()
307 		lsig = *(struct ieee80211_radiotap_lsig *)skb->data;  in ieee80211_add_rx_radiotap_header()
311 	if (status->flag & RX_FLAG_RADIOTAP_VENDOR_DATA) {  in ieee80211_add_rx_radiotap_header()
312 		rtap = *(struct ieee80211_vendor_radiotap *)skb->data;  in ieee80211_add_rx_radiotap_header()
317 	mpdulen = skb->len;  in ieee80211_add_rx_radiotap_header()
318 	if (!(has_fcs && ieee80211_hw_check(&local->hw, RX_INCLUDES_FCS)))  in ieee80211_add_rx_radiotap_header()
322 	memset(rthdr, 0, rtap_len - rtap.len - rtap.pad);  in ieee80211_add_rx_radiotap_header()
323 	it_present = &rthdr->it_present;  in ieee80211_add_rx_radiotap_header()
326 	rthdr->it_len = cpu_to_le16(rtap_len);  in ieee80211_add_rx_radiotap_header()
331 	if (!status->chains)  in ieee80211_add_rx_radiotap_header()
344 	if (status->flag & RX_FLAG_RADIOTAP_VENDOR_DATA) {  in ieee80211_add_rx_radiotap_header()
361 		while ((pos - (u8 *)rthdr) & 7)  in ieee80211_add_rx_radiotap_header()
367 		rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_TSFT);  in ieee80211_add_rx_radiotap_header()
372 	if (has_fcs && ieee80211_hw_check(&local->hw, RX_INCLUDES_FCS))  in ieee80211_add_rx_radiotap_header()
374 	if (status->flag & (RX_FLAG_FAILED_FCS_CRC | RX_FLAG_FAILED_PLCP_CRC))  in ieee80211_add_rx_radiotap_header()
376 	if (status->enc_flags & RX_ENC_FLAG_SHORTPRE)  in ieee80211_add_rx_radiotap_header()
381 	if (!rate || status->encoding != RX_ENC_LEGACY) {  in ieee80211_add_rx_radiotap_header()
391 		rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_RATE);  in ieee80211_add_rx_radiotap_header()
392 		if (status->bw == RATE_INFO_BW_10)  in ieee80211_add_rx_radiotap_header()
394 		else if (status->bw == RATE_INFO_BW_5)  in ieee80211_add_rx_radiotap_header()
396 		*pos = DIV_ROUND_UP(rate->bitrate, 5 * (1 << shift));  in ieee80211_add_rx_radiotap_header()
402 	put_unaligned_le16(status->freq, pos);  in ieee80211_add_rx_radiotap_header()
404 	if (status->bw == RATE_INFO_BW_10)  in ieee80211_add_rx_radiotap_header()
406 	else if (status->bw == RATE_INFO_BW_5)  in ieee80211_add_rx_radiotap_header()
409 	if (status->band == NL80211_BAND_5GHZ ||  in ieee80211_add_rx_radiotap_header()
410 	    status->band == NL80211_BAND_6GHZ)  in ieee80211_add_rx_radiotap_header()
412 	else if (status->encoding != RX_ENC_LEGACY)  in ieee80211_add_rx_radiotap_header()
414 	else if (rate && rate->flags & IEEE80211_RATE_ERP_G)  in ieee80211_add_rx_radiotap_header()
424 	if (ieee80211_hw_check(&local->hw, SIGNAL_DBM) &&  in ieee80211_add_rx_radiotap_header()
425 	    !(status->flag & RX_FLAG_NO_SIGNAL_VAL)) {  in ieee80211_add_rx_radiotap_header()
426 		*pos = status->signal;  in ieee80211_add_rx_radiotap_header()
427 		rthdr->it_present |=  in ieee80211_add_rx_radiotap_header()
434 	if (!status->chains) {  in ieee80211_add_rx_radiotap_header()
436 		*pos = status->antenna;  in ieee80211_add_rx_radiotap_header()
444 	if ((pos - (u8 *)rthdr) & 1)  in ieee80211_add_rx_radiotap_header()
446 	if (status->flag & RX_FLAG_FAILED_PLCP_CRC)  in ieee80211_add_rx_radiotap_header()
451 	if (status->encoding == RX_ENC_HT) {  in ieee80211_add_rx_radiotap_header()
454 		rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_MCS);  in ieee80211_add_rx_radiotap_header()
455 		*pos++ = local->hw.radiotap_mcs_details;  in ieee80211_add_rx_radiotap_header()
457 		if (status->enc_flags & RX_ENC_FLAG_SHORT_GI)  in ieee80211_add_rx_radiotap_header()
459 		if (status->bw == RATE_INFO_BW_40)  in ieee80211_add_rx_radiotap_header()
461 		if (status->enc_flags & RX_ENC_FLAG_HT_GF)  in ieee80211_add_rx_radiotap_header()
463 		if (status->enc_flags & RX_ENC_FLAG_LDPC)  in ieee80211_add_rx_radiotap_header()
465 		stbc = (status->enc_flags & RX_ENC_FLAG_STBC_MASK) >> RX_ENC_FLAG_STBC_SHIFT;  in ieee80211_add_rx_radiotap_header()
468 		*pos++ = status->rate_idx;  in ieee80211_add_rx_radiotap_header()
471 	if (status->flag & RX_FLAG_AMPDU_DETAILS) {  in ieee80211_add_rx_radiotap_header()
475 		while ((pos - (u8 *)rthdr) & 3)  in ieee80211_add_rx_radiotap_header()
477 		rthdr->it_present |=  in ieee80211_add_rx_radiotap_header()
479 		put_unaligned_le32(status->ampdu_reference, pos);  in ieee80211_add_rx_radiotap_header()
481 		if (status->flag & RX_FLAG_AMPDU_LAST_KNOWN)  in ieee80211_add_rx_radiotap_header()
483 		if (status->flag & RX_FLAG_AMPDU_IS_LAST)  in ieee80211_add_rx_radiotap_header()
485 		if (status->flag & RX_FLAG_AMPDU_DELIM_CRC_ERROR)  in ieee80211_add_rx_radiotap_header()
487 		if (status->flag & RX_FLAG_AMPDU_DELIM_CRC_KNOWN)  in ieee80211_add_rx_radiotap_header()
489 		if (status->flag & RX_FLAG_AMPDU_EOF_BIT_KNOWN)  in ieee80211_add_rx_radiotap_header()
491 		if (status->flag & RX_FLAG_AMPDU_EOF_BIT)  in ieee80211_add_rx_radiotap_header()
495 		if (status->flag & RX_FLAG_AMPDU_DELIM_CRC_KNOWN)  in ieee80211_add_rx_radiotap_header()
496 			*pos++ = status->ampdu_delimiter_crc;  in ieee80211_add_rx_radiotap_header()
502 	if (status->encoding == RX_ENC_VHT) {  in ieee80211_add_rx_radiotap_header()
503 		u16 known = local->hw.radiotap_vht_details;  in ieee80211_add_rx_radiotap_header()
505 		rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_VHT);  in ieee80211_add_rx_radiotap_header()
509 		if (status->enc_flags & RX_ENC_FLAG_SHORT_GI)  in ieee80211_add_rx_radiotap_header()
512 		if (status->enc_flags & RX_ENC_FLAG_STBC_MASK)  in ieee80211_add_rx_radiotap_header()
514 		if (status->enc_flags & RX_ENC_FLAG_BF)  in ieee80211_add_rx_radiotap_header()
518 		switch (status->bw) {  in ieee80211_add_rx_radiotap_header()
532 		*pos = (status->rate_idx << 4) | status->nss;  in ieee80211_add_rx_radiotap_header()
535 		if (status->enc_flags & RX_ENC_FLAG_LDPC)  in ieee80211_add_rx_radiotap_header()
544 	if (local->hw.radiotap_timestamp.units_pos >= 0) {  in ieee80211_add_rx_radiotap_header()
548 		rthdr->it_present |=  in ieee80211_add_rx_radiotap_header()
552 		while ((pos - (u8 *)rthdr) & 7)  in ieee80211_add_rx_radiotap_header()
555 		put_unaligned_le64(status->device_timestamp, pos);  in ieee80211_add_rx_radiotap_header()
558 		if (local->hw.radiotap_timestamp.accuracy >= 0) {  in ieee80211_add_rx_radiotap_header()
559 			accuracy = local->hw.radiotap_timestamp.accuracy;  in ieee80211_add_rx_radiotap_header()
565 		*pos++ = local->hw.radiotap_timestamp.units_pos;  in ieee80211_add_rx_radiotap_header()
569 	if (status->encoding == RX_ENC_HE &&  in ieee80211_add_rx_radiotap_header()
570 	    status->flag & RX_FLAG_RADIOTAP_HE) {  in ieee80211_add_rx_radiotap_header()
573 		if (status->enc_flags & RX_ENC_FLAG_STBC_MASK) {  in ieee80211_add_rx_radiotap_header()
576 						      status->enc_flags));  in ieee80211_add_rx_radiotap_header()
579 			he.data6 |= HE_PREP(DATA6_NSTS, status->nss);  in ieee80211_add_rx_radiotap_header()
590 		he.data3 |= HE_PREP(DATA3_DATA_MCS, status->rate_idx);  in ieee80211_add_rx_radiotap_header()
591 		he.data3 |= HE_PREP(DATA3_DATA_DCM, status->he_dcm);  in ieee80211_add_rx_radiotap_header()
593 				    !!(status->enc_flags & RX_ENC_FLAG_LDPC));  in ieee80211_add_rx_radiotap_header()
595 		he.data5 |= HE_PREP(DATA5_GI, status->he_gi);  in ieee80211_add_rx_radiotap_header()
597 		switch (status->bw) {  in ieee80211_add_rx_radiotap_header()
628 					    status->he_ru + 4);  in ieee80211_add_rx_radiotap_header()
631 			WARN_ONCE(1, "Invalid SU BW %d\n", status->bw);  in ieee80211_add_rx_radiotap_header()
635 		while ((pos - (u8 *)rthdr) & 1)  in ieee80211_add_rx_radiotap_header()
637 		rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_HE);  in ieee80211_add_rx_radiotap_header()
642 	if (status->encoding == RX_ENC_HE &&  in ieee80211_add_rx_radiotap_header()
643 	    status->flag & RX_FLAG_RADIOTAP_HE_MU) {  in ieee80211_add_rx_radiotap_header()
645 		while ((pos - (u8 *)rthdr) & 1)  in ieee80211_add_rx_radiotap_header()
647 		rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_HE_MU);  in ieee80211_add_rx_radiotap_header()
652 	if (status->flag & RX_FLAG_NO_PSDU) {  in ieee80211_add_rx_radiotap_header()
653 		rthdr->it_present |=  in ieee80211_add_rx_radiotap_header()
655 		*pos++ = status->zero_length_psdu_type;  in ieee80211_add_rx_radiotap_header()
658 	if (status->flag & RX_FLAG_RADIOTAP_LSIG) {  in ieee80211_add_rx_radiotap_header()
660 		while ((pos - (u8 *)rthdr) & 1)  in ieee80211_add_rx_radiotap_header()
662 		rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_LSIG);  in ieee80211_add_rx_radiotap_header()
668 		*pos++ = status->chain_signal[chain];  in ieee80211_add_rx_radiotap_header()
672 	if (status->flag & RX_FLAG_RADIOTAP_VENDOR_DATA) {  in ieee80211_add_rx_radiotap_header()
674 		if ((pos - (u8 *)rthdr) & 1)  in ieee80211_add_rx_radiotap_header()
683 		while ((pos - (u8 *)rthdr) & (rtap.align - 1))  in ieee80211_add_rx_radiotap_header()
701 	needed_headroom = rt_hdrlen - rtap_space;  in ieee80211_make_monitor_skb()
735 	skb->ip_summed = CHECKSUM_UNNECESSARY;  in ieee80211_make_monitor_skb()
736 	skb->pkt_type = PACKET_OTHERHOST;  in ieee80211_make_monitor_skb()
737 	skb->protocol = htons(ETH_P_802_2);  in ieee80211_make_monitor_skb()
744  * returns a cleaned-up SKB that no longer includes the FCS nor the
757 		rcu_dereference(local->monitor_sdata);  in ieee80211_rx_monitor()
761 	if (status->flag & RX_FLAG_RADIOTAP_HE)  in ieee80211_rx_monitor()
764 	if (status->flag & RX_FLAG_RADIOTAP_HE_MU)  in ieee80211_rx_monitor()
767 	if (status->flag & RX_FLAG_RADIOTAP_LSIG)  in ieee80211_rx_monitor()
770 	if (unlikely(status->flag & RX_FLAG_RADIOTAP_VENDOR_DATA)) {  in ieee80211_rx_monitor()
772 			(void *)(origskb->data + rtap_space);  in ieee80211_rx_monitor()
774 		rtap_space += sizeof(*rtap) + rtap->len + rtap->pad;  in ieee80211_rx_monitor()
788 	if (!(status->flag & RX_FLAG_NO_PSDU)) {  in ieee80211_rx_monitor()
789 		if (ieee80211_hw_check(&local->hw, RX_INCLUDES_FCS)) {  in ieee80211_rx_monitor()
790 			if (unlikely(origskb->len <= FCS_LEN + rtap_space)) {  in ieee80211_rx_monitor()
799 		/* also consider the hdr->frame_control */  in ieee80211_rx_monitor()
811 	if (!local->monitors || (status->flag & RX_FLAG_SKIP_MONITOR)) {  in ieee80211_rx_monitor()
823 	list_for_each_entry_rcu(sdata, &local->mon_list, u.mntr.list) {  in ieee80211_rx_monitor()
824 		bool last_monitor = list_is_last(&sdata->u.mntr.list,  in ieee80211_rx_monitor()
825 						 &local->mon_list);  in ieee80211_rx_monitor()
844 				skb->dev = sdata->dev;  in ieee80211_rx_monitor()
845 				ieee80211_rx_stats(skb->dev, skb->len);  in ieee80211_rx_monitor()
866 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_parse_qos()
867 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_parse_qos()
871 	if (ieee80211_is_data_qos(hdr->frame_control)) {  in ieee80211_parse_qos()
876 			status->rx_flags |= IEEE80211_RX_AMSDU;  in ieee80211_parse_qos()
882 		 * IEEE 802.11-2007, 7.1.3.4.1 ("Sequence Number field"):  in ieee80211_parse_qos()
886 		 *	Address 1 field, and all non-QoS data frames sent  in ieee80211_parse_qos()
888 		 *	modulo-4096 counter, [...]  in ieee80211_parse_qos()
890 		 * We also use that counter for non-QoS STAs.  in ieee80211_parse_qos()
894 		if (ieee80211_is_mgmt(hdr->frame_control))  in ieee80211_parse_qos()
899 	rx->seqno_idx = seqno_idx;  in ieee80211_parse_qos()
900 	rx->security_idx = security_idx;  in ieee80211_parse_qos()
901 	/* Set skb->priority to 1d tag if highest order bit of TID is not set.  in ieee80211_parse_qos()
902 	 * For now, set skb->priority to 0 for other cases. */  in ieee80211_parse_qos()
903 	rx->skb->priority = (tid > 7) ? 0 : tid;  in ieee80211_parse_qos()
909  * Drivers always need to pass packets that are aligned to two-byte boundaries
913  * guarantees that the contained IP header is aligned to a four-byte
915  * payload to a four-byte boundary (because either the IP header is directly
921  * With A-MSDU frames, however, the payload data address must yield two modulo
922  * four because there are 14-byte 802.3 headers within the A-MSDU frames that
924  * specs were sane enough this time around to require padding each A-MSDU
934 	WARN_ON_ONCE((unsigned long)rx->skb->data & 1);  in ieee80211_verify_alignment()
943 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;  in ieee80211_is_unicast_robust_mgmt_frame()
945 	if (is_multicast_ether_addr(hdr->addr1))  in ieee80211_is_unicast_robust_mgmt_frame()
954 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;  in ieee80211_is_multicast_robust_mgmt_frame()
956 	if (!is_multicast_ether_addr(hdr->addr1))  in ieee80211_is_multicast_robust_mgmt_frame()
963 /* Get the BIP key index from MMIE; return -1 if this is not a BIP frame */
966 	struct ieee80211_mgmt *hdr = (struct ieee80211_mgmt *) skb->data;  in ieee80211_get_mmie_keyidx()
970 	if (skb->len < 24 + sizeof(*mmie) || !is_multicast_ether_addr(hdr->da))  in ieee80211_get_mmie_keyidx()
971 		return -1;  in ieee80211_get_mmie_keyidx()
974 	    !ieee80211_is_beacon(hdr->frame_control))  in ieee80211_get_mmie_keyidx()
975 		return -1; /* not a robust management frame */  in ieee80211_get_mmie_keyidx()
978 		(skb->data + skb->len - sizeof(*mmie));  in ieee80211_get_mmie_keyidx()
979 	if (mmie->element_id == WLAN_EID_MMIE &&  in ieee80211_get_mmie_keyidx()
980 	    mmie->length == sizeof(*mmie) - 2)  in ieee80211_get_mmie_keyidx()
981 		return le16_to_cpu(mmie->key_id);  in ieee80211_get_mmie_keyidx()
984 		(skb->data + skb->len - sizeof(*mmie16));  in ieee80211_get_mmie_keyidx()
985 	if (skb->len >= 24 + sizeof(*mmie16) &&  in ieee80211_get_mmie_keyidx()
986 	    mmie16->element_id == WLAN_EID_MMIE &&  in ieee80211_get_mmie_keyidx()
987 	    mmie16->length == sizeof(*mmie16) - 2)  in ieee80211_get_mmie_keyidx()
988 		return le16_to_cpu(mmie16->key_id);  in ieee80211_get_mmie_keyidx()
990 	return -1;  in ieee80211_get_mmie_keyidx()
994 			       const struct ieee80211_cipher_scheme *cs)  in ieee80211_get_keyid()  argument
996 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;  in ieee80211_get_keyid()
1004 	fc = hdr->frame_control;  in ieee80211_get_keyid()
1007 	if (cs) {  in ieee80211_get_keyid()
1008 		minlen = hdrlen + cs->hdr_len;  in ieee80211_get_keyid()
1009 		key_idx_off = hdrlen + cs->key_idx_off;  in ieee80211_get_keyid()
1010 		key_idx_shift = cs->key_idx_shift;  in ieee80211_get_keyid()
1018 	if (unlikely(skb->len < minlen))  in ieee80211_get_keyid()
1019 		return -EINVAL;  in ieee80211_get_keyid()
1023 	if (cs)  in ieee80211_get_keyid()
1024 		keyid &= cs->key_idx_mask;  in ieee80211_get_keyid()
1027 	/* cs could use more than the usual two bits for the keyid */  in ieee80211_get_keyid()
1029 		return -EINVAL;  in ieee80211_get_keyid()
1036 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_rx_mesh_check()
1037 	char *dev_addr = rx->sdata->vif.addr;  in ieee80211_rx_mesh_check()
1039 	if (ieee80211_is_data(hdr->frame_control)) {  in ieee80211_rx_mesh_check()
1040 		if (is_multicast_ether_addr(hdr->addr1)) {  in ieee80211_rx_mesh_check()
1041 			if (ieee80211_has_tods(hdr->frame_control) ||  in ieee80211_rx_mesh_check()
1042 			    !ieee80211_has_fromds(hdr->frame_control))  in ieee80211_rx_mesh_check()
1044 			if (ether_addr_equal(hdr->addr3, dev_addr))  in ieee80211_rx_mesh_check()
1047 			if (!ieee80211_has_a4(hdr->frame_control))  in ieee80211_rx_mesh_check()
1049 			if (ether_addr_equal(hdr->addr4, dev_addr))  in ieee80211_rx_mesh_check()
1058 	if (!rx->sta || sta_plink_state(rx->sta) != NL80211_PLINK_ESTAB) {  in ieee80211_rx_mesh_check()
1061 		if (!ieee80211_is_mgmt(hdr->frame_control))  in ieee80211_rx_mesh_check()
1064 		if (ieee80211_is_action(hdr->frame_control)) {  in ieee80211_rx_mesh_check()
1068 			if (rx->skb->len < IEEE80211_MIN_ACTION_SIZE)  in ieee80211_rx_mesh_check()
1072 			category = mgmt->u.action.category;  in ieee80211_rx_mesh_check()
1079 		if (ieee80211_is_probe_req(hdr->frame_control) ||  in ieee80211_rx_mesh_check()
1080 		    ieee80211_is_probe_resp(hdr->frame_control) ||  in ieee80211_rx_mesh_check()
1081 		    ieee80211_is_beacon(hdr->frame_control) ||  in ieee80211_rx_mesh_check()
1082 		    ieee80211_is_auth(hdr->frame_control))  in ieee80211_rx_mesh_check()
1094 	struct sk_buff_head *frames = &tid_agg_rx->reorder_buf[index];  in ieee80211_rx_reorder_ready()
1098 	if (tid_agg_rx->reorder_buf_filtered & BIT_ULL(index))  in ieee80211_rx_reorder_ready()
1105 	if (status->flag & RX_FLAG_AMSDU_MORE)  in ieee80211_rx_reorder_ready()
1116 	struct sk_buff_head *skb_list = &tid_agg_rx->reorder_buf[index];  in ieee80211_release_reorder_frame()
1120 	lockdep_assert_held(&tid_agg_rx->reorder_lock);  in ieee80211_release_reorder_frame()
1131 	tid_agg_rx->stored_mpdu_num--;  in ieee80211_release_reorder_frame()
1134 		status->rx_flags |= IEEE80211_RX_DEFERRED_RELEASE;  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()
1254 	u16 sc = le16_to_cpu(hdr->seq_ctrl);  in ieee80211_sta_manage_reorder_buf()
1260 	spin_lock(&tid_agg_rx->reorder_lock);  in ieee80211_sta_manage_reorder_buf()
1266 	if (unlikely(tid_agg_rx->auto_seq)) {  in ieee80211_sta_manage_reorder_buf()
1267 		tid_agg_rx->auto_seq = false;  in ieee80211_sta_manage_reorder_buf()
1268 		tid_agg_rx->ssn = mpdu_seq_num;  in ieee80211_sta_manage_reorder_buf()
1269 		tid_agg_rx->head_seq_num = mpdu_seq_num;  in ieee80211_sta_manage_reorder_buf()
1272 	buf_size = tid_agg_rx->buf_size;  in ieee80211_sta_manage_reorder_buf()
1273 	head_seq_num = tid_agg_rx->head_seq_num;  in ieee80211_sta_manage_reorder_buf()
1279 	if (unlikely(!tid_agg_rx->started)) {  in ieee80211_sta_manage_reorder_buf()
1284 		tid_agg_rx->started = true;  in ieee80211_sta_manage_reorder_buf()
1307 	index = mpdu_seq_num % tid_agg_rx->buf_size;  in ieee80211_sta_manage_reorder_buf()
1321 	if (mpdu_seq_num == tid_agg_rx->head_seq_num &&  in ieee80211_sta_manage_reorder_buf()
1322 	    tid_agg_rx->stored_mpdu_num == 0) {  in ieee80211_sta_manage_reorder_buf()
1323 		if (!(status->flag & RX_FLAG_AMSDU_MORE))  in ieee80211_sta_manage_reorder_buf()
1324 			tid_agg_rx->head_seq_num =  in ieee80211_sta_manage_reorder_buf()
1325 				ieee80211_sn_inc(tid_agg_rx->head_seq_num);  in ieee80211_sta_manage_reorder_buf()
1331 	__skb_queue_tail(&tid_agg_rx->reorder_buf[index], skb);  in ieee80211_sta_manage_reorder_buf()
1332 	if (!(status->flag & RX_FLAG_AMSDU_MORE)) {  in ieee80211_sta_manage_reorder_buf()
1333 		tid_agg_rx->reorder_time[index] = jiffies;  in ieee80211_sta_manage_reorder_buf()
1334 		tid_agg_rx->stored_mpdu_num++;  in ieee80211_sta_manage_reorder_buf()
1339 	spin_unlock(&tid_agg_rx->reorder_lock);  in ieee80211_sta_manage_reorder_buf()
1344  * Reorder MPDUs from A-MPDUs, keeping them on a buffer. Returns
1350 	struct sk_buff *skb = rx->skb;  in ieee80211_rx_reorder_ampdu()
1351 	struct ieee80211_local *local = rx->local;  in ieee80211_rx_reorder_ampdu()
1352 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;  in ieee80211_rx_reorder_ampdu()
1353 	struct sta_info *sta = rx->sta;  in ieee80211_rx_reorder_ampdu()
1358 	if (!ieee80211_is_data_qos(hdr->frame_control) ||  in ieee80211_rx_reorder_ampdu()
1359 	    is_multicast_ether_addr(hdr->addr1))  in ieee80211_rx_reorder_ampdu()
1374 	tid_agg_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[tid]);  in ieee80211_rx_reorder_ampdu()
1377 		    !test_bit(tid, rx->sta->ampdu_mlme.agg_session_valid) &&  in ieee80211_rx_reorder_ampdu()
1378 		    !test_and_set_bit(tid, rx->sta->ampdu_mlme.unexpected_agg))  in ieee80211_rx_reorder_ampdu()
1379 			ieee80211_send_delba(rx->sdata, rx->sta->sta.addr, tid,  in ieee80211_rx_reorder_ampdu()
1386 	if (unlikely(hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_NULLFUNC)))  in ieee80211_rx_reorder_ampdu()
1393 	/* new, potentially un-ordered, ampdu frame - process it */  in ieee80211_rx_reorder_ampdu()
1396 	if (tid_agg_rx->timeout)  in ieee80211_rx_reorder_ampdu()
1397 		tid_agg_rx->last_rx = jiffies;  in ieee80211_rx_reorder_ampdu()
1399 	/* if this mpdu is fragmented - terminate rx aggregation session */  in ieee80211_rx_reorder_ampdu()
1400 	sc = le16_to_cpu(hdr->seq_ctrl);  in ieee80211_rx_reorder_ampdu()
1402 		skb_queue_tail(&rx->sdata->skb_queue, skb);  in ieee80211_rx_reorder_ampdu()
1403 		ieee80211_queue_work(&local->hw, &rx->sdata->work);  in ieee80211_rx_reorder_ampdu()
1408 	 * No locking needed -- we will only ever process one  in ieee80211_rx_reorder_ampdu()
1414 	if (ieee80211_sta_manage_reorder_buf(rx->sdata, tid_agg_rx, skb,  in ieee80211_rx_reorder_ampdu()
1425 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_rx_h_check_dup()
1426 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_h_check_dup()
1428 	if (status->flag & RX_FLAG_DUP_VALIDATED)  in ieee80211_rx_h_check_dup()
1433 	 * (IEEE 802.11-2012: 9.3.2.10 "Duplicate detection and recovery")  in ieee80211_rx_h_check_dup()
1436 	if (rx->skb->len < 24)  in ieee80211_rx_h_check_dup()
1439 	if (ieee80211_is_ctl(hdr->frame_control) ||  in ieee80211_rx_h_check_dup()
1440 	    ieee80211_is_any_nullfunc(hdr->frame_control) ||  in ieee80211_rx_h_check_dup()
1441 	    is_multicast_ether_addr(hdr->addr1))  in ieee80211_rx_h_check_dup()
1444 	if (!rx->sta)  in ieee80211_rx_h_check_dup()
1447 	if (unlikely(ieee80211_has_retry(hdr->frame_control) &&  in ieee80211_rx_h_check_dup()
1448 		     rx->sta->last_seq_ctrl[rx->seqno_idx] == hdr->seq_ctrl)) {  in ieee80211_rx_h_check_dup()
1449 		I802_DEBUG_INC(rx->local->dot11FrameDuplicateCount);  in ieee80211_rx_h_check_dup()
1450 		rx->sta->rx_stats.num_duplicates++;  in ieee80211_rx_h_check_dup()
1452 	} else if (!(status->flag & RX_FLAG_AMSDU_MORE)) {  in ieee80211_rx_h_check_dup()
1453 		rx->sta->last_seq_ctrl[rx->seqno_idx] = hdr->seq_ctrl;  in ieee80211_rx_h_check_dup()
1462 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_rx_h_check()
1464 	/* Drop disallowed frame classes based on STA auth/assoc state;  in ieee80211_rx_h_check()
1470 	 * responsible for filtering on both auth and assoc states.  in ieee80211_rx_h_check()
1473 	if (ieee80211_vif_is_mesh(&rx->sdata->vif))  in ieee80211_rx_h_check()
1476 	if (unlikely((ieee80211_is_data(hdr->frame_control) ||  in ieee80211_rx_h_check()
1477 		      ieee80211_is_pspoll(hdr->frame_control)) &&  in ieee80211_rx_h_check()
1478 		     rx->sdata->vif.type != NL80211_IFTYPE_ADHOC &&  in ieee80211_rx_h_check()
1479 		     rx->sdata->vif.type != NL80211_IFTYPE_WDS &&  in ieee80211_rx_h_check()
1480 		     rx->sdata->vif.type != NL80211_IFTYPE_OCB &&  in ieee80211_rx_h_check()
1481 		     (!rx->sta || !test_sta_flag(rx->sta, WLAN_STA_ASSOC)))) {  in ieee80211_rx_h_check()
1484 		 * yet marked ASSOC to prevent a race where we don't set the  in ieee80211_rx_h_check()
1485 		 * assoc bit quickly enough before it sends the first frame  in ieee80211_rx_h_check()
1487 		if (rx->sta && rx->sdata->vif.type == NL80211_IFTYPE_STATION &&  in ieee80211_rx_h_check()
1488 		    ieee80211_is_data_present(hdr->frame_control)) {  in ieee80211_rx_h_check()
1492 			hdrlen = ieee80211_hdrlen(hdr->frame_control);  in ieee80211_rx_h_check()
1494 			if (rx->skb->len < hdrlen + 8)  in ieee80211_rx_h_check()
1497 			skb_copy_bits(rx->skb, hdrlen + 6, &ethertype, 2);  in ieee80211_rx_h_check()
1498 			if (ethertype == rx->sdata->control_port_protocol)  in ieee80211_rx_h_check()
1502 		if (rx->sdata->vif.type == NL80211_IFTYPE_AP &&  in ieee80211_rx_h_check()
1503 		    cfg80211_rx_spurious_frame(rx->sdata->dev,  in ieee80211_rx_h_check()
1504 					       hdr->addr2,  in ieee80211_rx_h_check()
1522 	local = rx->local;  in ieee80211_rx_h_check_more_data()
1523 	skb = rx->skb;  in ieee80211_rx_h_check_more_data()
1524 	hdr = (struct ieee80211_hdr *) skb->data;  in ieee80211_rx_h_check_more_data()
1526 	if (!local->pspolling)  in ieee80211_rx_h_check_more_data()
1529 	if (!ieee80211_has_fromds(hdr->frame_control))  in ieee80211_rx_h_check_more_data()
1533 	if (!ieee80211_is_data(hdr->frame_control))  in ieee80211_rx_h_check_more_data()
1536 	if (!ieee80211_has_moredata(hdr->frame_control)) {  in ieee80211_rx_h_check_more_data()
1538 		local->pspolling = false;  in ieee80211_rx_h_check_more_data()
1543 	ieee80211_send_pspoll(local, rx->sdata);  in ieee80211_rx_h_check_more_data()
1550 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in sta_ps_start()
1551 	struct ieee80211_local *local = sdata->local;  in sta_ps_start()
1555 	if (sta->sdata->vif.type == NL80211_IFTYPE_AP ||  in sta_ps_start()
1556 	    sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN)  in sta_ps_start()
1557 		ps = &sdata->bss->ps;  in sta_ps_start()
1561 	atomic_inc(&ps->num_sta_ps);  in sta_ps_start()
1563 	if (!ieee80211_hw_check(&local->hw, AP_LINK_PS))  in sta_ps_start()
1564 		drv_sta_notify(local, sdata, STA_NOTIFY_SLEEP, &sta->sta);  in sta_ps_start()
1566 	       sta->sta.addr, sta->sta.aid);  in sta_ps_start()
1570 	if (!sta->sta.txq[0])  in sta_ps_start()
1574 		struct ieee80211_txq *txq = sta->sta.txq[tid];  in sta_ps_start()
1577 		spin_lock(&local->active_txq_lock[txq->ac]);  in sta_ps_start()
1578 		if (!list_empty(&txqi->schedule_order))  in sta_ps_start()
1579 			list_del_init(&txqi->schedule_order);  in sta_ps_start()
1580 		spin_unlock(&local->active_txq_lock[txq->ac]);  in sta_ps_start()
1583 			set_bit(tid, &sta->txq_buffered_tids);  in sta_ps_start()
1585 			clear_bit(tid, &sta->txq_buffered_tids);  in sta_ps_start()
1591 	ps_dbg(sta->sdata, "STA %pM aid %d exits power save mode\n",  in sta_ps_end()
1592 	       sta->sta.addr, sta->sta.aid);  in sta_ps_end()
1602 		ps_dbg(sta->sdata, "STA %pM aid %d driver-ps-blocked\n",  in sta_ps_end()
1603 		       sta->sta.addr, sta->sta.aid);  in sta_ps_end()
1617 	WARN_ON(!ieee80211_hw_check(&sta->local->hw, AP_LINK_PS));  in ieee80211_sta_ps_transition()
1622 		return -EINVAL;  in ieee80211_sta_ps_transition()
1653 	 * If this AC is not trigger-enabled do nothing unless the  in ieee80211_sta_uapsd_trigger()
1656 	 * NB: This could/should check a separate bitmap of trigger-  in ieee80211_sta_uapsd_trigger()
1660 	if (!(sta->sta.uapsd_queues & ieee80211_ac_to_qos_mask[ac]) &&  in ieee80211_sta_uapsd_trigger()
1678 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_uapsd_and_pspoll()
1679 	struct ieee80211_hdr *hdr = (void *)rx->skb->data;  in ieee80211_rx_h_uapsd_and_pspoll()
1680 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_h_uapsd_and_pspoll()
1682 	if (!rx->sta)  in ieee80211_rx_h_uapsd_and_pspoll()
1685 	if (sdata->vif.type != NL80211_IFTYPE_AP &&  in ieee80211_rx_h_uapsd_and_pspoll()
1686 	    sdata->vif.type != NL80211_IFTYPE_AP_VLAN)  in ieee80211_rx_h_uapsd_and_pspoll()
1691 	 * uAPSD and PS-Poll frames (the latter shouldn't even come up from  in ieee80211_rx_h_uapsd_and_pspoll()
1694 	if (ieee80211_hw_check(&sdata->local->hw, AP_LINK_PS))  in ieee80211_rx_h_uapsd_and_pspoll()
1700 	 * in the PS-Poll case the station must be confused ...  in ieee80211_rx_h_uapsd_and_pspoll()
1702 	if (!test_sta_flag(rx->sta, WLAN_STA_PS_STA))  in ieee80211_rx_h_uapsd_and_pspoll()
1705 	if (unlikely(ieee80211_is_pspoll(hdr->frame_control))) {  in ieee80211_rx_h_uapsd_and_pspoll()
1706 		ieee80211_sta_pspoll(&rx->sta->sta);  in ieee80211_rx_h_uapsd_and_pspoll()
1710 		dev_kfree_skb(rx->skb);  in ieee80211_rx_h_uapsd_and_pspoll()
1713 	} else if (!ieee80211_has_morefrags(hdr->frame_control) &&  in ieee80211_rx_h_uapsd_and_pspoll()
1714 		   !(status->rx_flags & IEEE80211_RX_DEFERRED_RELEASE) &&  in ieee80211_rx_h_uapsd_and_pspoll()
1715 		   ieee80211_has_pm(hdr->frame_control) &&  in ieee80211_rx_h_uapsd_and_pspoll()
1716 		   (ieee80211_is_data_qos(hdr->frame_control) ||  in ieee80211_rx_h_uapsd_and_pspoll()
1717 		    ieee80211_is_qos_nullfunc(hdr->frame_control))) {  in ieee80211_rx_h_uapsd_and_pspoll()
1720 		ieee80211_sta_uapsd_trigger(&rx->sta->sta, tid);  in ieee80211_rx_h_uapsd_and_pspoll()
1729 	struct sta_info *sta = rx->sta;  in ieee80211_rx_h_sta_process()
1730 	struct sk_buff *skb = rx->skb;  in ieee80211_rx_h_sta_process()
1732 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;  in ieee80211_rx_h_sta_process()
1746 	if (rx->sdata->vif.type == NL80211_IFTYPE_ADHOC) {  in ieee80211_rx_h_sta_process()
1747 		u8 *bssid = ieee80211_get_bssid(hdr, rx->skb->len,  in ieee80211_rx_h_sta_process()
1749 		if (ether_addr_equal(bssid, rx->sdata->u.ibss.bssid) &&  in ieee80211_rx_h_sta_process()
1751 			sta->rx_stats.last_rx = jiffies;  in ieee80211_rx_h_sta_process()
1752 			if (ieee80211_is_data(hdr->frame_control) &&  in ieee80211_rx_h_sta_process()
1753 			    !is_multicast_ether_addr(hdr->addr1))  in ieee80211_rx_h_sta_process()
1754 				sta->rx_stats.last_rate =  in ieee80211_rx_h_sta_process()
1757 	} else if (rx->sdata->vif.type == NL80211_IFTYPE_OCB) {  in ieee80211_rx_h_sta_process()
1758 		sta->rx_stats.last_rx = jiffies;  in ieee80211_rx_h_sta_process()
1759 	} else if (!ieee80211_is_s1g_beacon(hdr->frame_control) &&  in ieee80211_rx_h_sta_process()
1760 		   !is_multicast_ether_addr(hdr->addr1)) {  in ieee80211_rx_h_sta_process()
1765 		sta->rx_stats.last_rx = jiffies;  in ieee80211_rx_h_sta_process()
1766 		if (ieee80211_is_data(hdr->frame_control))  in ieee80211_rx_h_sta_process()
1767 			sta->rx_stats.last_rate = sta_stats_encode_rate(status);  in ieee80211_rx_h_sta_process()
1770 	sta->rx_stats.fragments++;  in ieee80211_rx_h_sta_process()
1772 	u64_stats_update_begin(&rx->sta->rx_stats.syncp);  in ieee80211_rx_h_sta_process()
1773 	sta->rx_stats.bytes += rx->skb->len;  in ieee80211_rx_h_sta_process()
1774 	u64_stats_update_end(&rx->sta->rx_stats.syncp);  in ieee80211_rx_h_sta_process()
1776 	if (!(status->flag & RX_FLAG_NO_SIGNAL_VAL)) {  in ieee80211_rx_h_sta_process()
1777 		sta->rx_stats.last_signal = status->signal;  in ieee80211_rx_h_sta_process()
1778 		ewma_signal_add(&sta->rx_stats_avg.signal, -status->signal);  in ieee80211_rx_h_sta_process()
1781 	if (status->chains) {  in ieee80211_rx_h_sta_process()
1782 		sta->rx_stats.chains = status->chains;  in ieee80211_rx_h_sta_process()
1783 		for (i = 0; i < ARRAY_SIZE(status->chain_signal); i++) {  in ieee80211_rx_h_sta_process()
1784 			int signal = status->chain_signal[i];  in ieee80211_rx_h_sta_process()
1786 			if (!(status->chains & BIT(i)))  in ieee80211_rx_h_sta_process()
1789 			sta->rx_stats.chain_signal_last[i] = signal;  in ieee80211_rx_h_sta_process()
1790 			ewma_signal_add(&sta->rx_stats_avg.chain_signal[i],  in ieee80211_rx_h_sta_process()
1791 					-signal);  in ieee80211_rx_h_sta_process()
1795 	if (ieee80211_is_s1g_beacon(hdr->frame_control))  in ieee80211_rx_h_sta_process()
1801 	 * frame as specified in IEEE 802.11-2016 11.2.3.2  in ieee80211_rx_h_sta_process()
1803 	if (!ieee80211_hw_check(&sta->local->hw, AP_LINK_PS) &&  in ieee80211_rx_h_sta_process()
1804 	    !ieee80211_has_morefrags(hdr->frame_control) &&  in ieee80211_rx_h_sta_process()
1805 	    !is_multicast_ether_addr(hdr->addr1) &&  in ieee80211_rx_h_sta_process()
1806 	    (ieee80211_is_mgmt(hdr->frame_control) ||  in ieee80211_rx_h_sta_process()
1807 	     ieee80211_is_data(hdr->frame_control)) &&  in ieee80211_rx_h_sta_process()
1808 	    !(status->rx_flags & IEEE80211_RX_DEFERRED_RELEASE) &&  in ieee80211_rx_h_sta_process()
1809 	    (rx->sdata->vif.type == NL80211_IFTYPE_AP ||  in ieee80211_rx_h_sta_process()
1810 	     rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN)) {  in ieee80211_rx_h_sta_process()
1812 			if (!ieee80211_has_pm(hdr->frame_control))  in ieee80211_rx_h_sta_process()
1815 			if (ieee80211_has_pm(hdr->frame_control))  in ieee80211_rx_h_sta_process()
1821 	if (ieee80211_vif_is_mesh(&rx->sdata->vif))  in ieee80211_rx_h_sta_process()
1825 	 * Drop (qos-)data::nullfunc frames silently, since they  in ieee80211_rx_h_sta_process()
1828 	if (ieee80211_is_any_nullfunc(hdr->frame_control)) {  in ieee80211_rx_h_sta_process()
1829 		I802_DEBUG_INC(rx->local->rx_handlers_drop_nullfunc);  in ieee80211_rx_h_sta_process()
1832 		 * If we receive a 4-addr nullfunc frame from a STA  in ieee80211_rx_h_sta_process()
1833 		 * that was not moved to a 4-addr STA vlan yet send  in ieee80211_rx_h_sta_process()
1837 		if (ieee80211_has_a4(hdr->frame_control) &&  in ieee80211_rx_h_sta_process()
1838 		    (rx->sdata->vif.type == NL80211_IFTYPE_AP ||  in ieee80211_rx_h_sta_process()
1839 		     (rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&  in ieee80211_rx_h_sta_process()
1840 		      !rx->sdata->u.vlan.sta))) {  in ieee80211_rx_h_sta_process()
1843 					rx->sdata->dev, sta->sta.addr,  in ieee80211_rx_h_sta_process()
1851 		sta->rx_stats.packets++;  in ieee80211_rx_h_sta_process()
1852 		dev_kfree_skb(rx->skb);  in ieee80211_rx_h_sta_process()
1863 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_get_bigtk()
1879 			idx2 = idx - 1;  in ieee80211_rx_get_bigtk()
1882 	if (rx->sta)  in ieee80211_rx_get_bigtk()
1883 		key = rcu_dereference(rx->sta->gtk[idx]);  in ieee80211_rx_get_bigtk()
1885 		key = rcu_dereference(sdata->keys[idx]);  in ieee80211_rx_get_bigtk()
1886 	if (!key && rx->sta)  in ieee80211_rx_get_bigtk()
1887 		key = rcu_dereference(rx->sta->gtk[idx2]);  in ieee80211_rx_get_bigtk()
1889 		key = rcu_dereference(sdata->keys[idx2]);  in ieee80211_rx_get_bigtk()
1897 	struct sk_buff *skb = rx->skb;  in ieee80211_rx_h_decrypt()
1899 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;  in ieee80211_rx_h_decrypt()
1904 	int mmie_keyidx = -1;  in ieee80211_rx_h_decrypt()
1906 	const struct ieee80211_cipher_scheme *cs = NULL;  in ieee80211_rx_h_decrypt()  local
1908 	if (ieee80211_is_ext(hdr->frame_control))  in ieee80211_rx_h_decrypt()
1915 	 *  - GTK (group keys)  in ieee80211_rx_h_decrypt()
1916 	 *  - IGTK (group keys for management frames)  in ieee80211_rx_h_decrypt()
1917 	 *  - BIGTK (group keys for Beacon frames)  in ieee80211_rx_h_decrypt()
1918 	 *  - PTK (pairwise keys)  in ieee80211_rx_h_decrypt()
1919 	 *  - STK (station-to-station pairwise keys)  in ieee80211_rx_h_decrypt()
1924 	 * BIGTKs. Unless, of course, actual WEP keys ("pre-RSNA") are used,  in ieee80211_rx_h_decrypt()
1940 	rx->key = NULL;  in ieee80211_rx_h_decrypt()
1941 	fc = hdr->frame_control;  in ieee80211_rx_h_decrypt()
1943 	if (rx->sta) {  in ieee80211_rx_h_decrypt()
1944 		int keyid = rx->sta->ptk_idx;  in ieee80211_rx_h_decrypt()
1945 		sta_ptk = rcu_dereference(rx->sta->ptk[keyid]);  in ieee80211_rx_h_decrypt()
1948 		    !(status->flag & RX_FLAG_IV_STRIPPED)) {  in ieee80211_rx_h_decrypt()
1949 			cs = rx->sta->cipher_scheme;  in ieee80211_rx_h_decrypt()
1950 			keyid = ieee80211_get_keyid(rx->skb, cs);  in ieee80211_rx_h_decrypt()
1955 			ptk_idx = rcu_dereference(rx->sta->ptk[keyid]);  in ieee80211_rx_h_decrypt()
1960 		mmie_keyidx = ieee80211_get_mmie_keyidx(rx->skb);  in ieee80211_rx_h_decrypt()
1962 	if (!is_multicast_ether_addr(hdr->addr1) && sta_ptk) {  in ieee80211_rx_h_decrypt()
1963 		rx->key = ptk_idx ? ptk_idx : sta_ptk;  in ieee80211_rx_h_decrypt()
1964 		if ((status->flag & RX_FLAG_DECRYPTED) &&  in ieee80211_rx_h_decrypt()
1965 		    (status->flag & RX_FLAG_IV_STRIPPED))  in ieee80211_rx_h_decrypt()
1972 		if ((status->flag & RX_FLAG_DECRYPTED) &&  in ieee80211_rx_h_decrypt()
1973 		    (status->flag & RX_FLAG_IV_STRIPPED))  in ieee80211_rx_h_decrypt()
1979 			if (rx->sdata->dev)  in ieee80211_rx_h_decrypt()
1980 				cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,  in ieee80211_rx_h_decrypt()
1981 							     skb->data,  in ieee80211_rx_h_decrypt()
1982 							     skb->len);  in ieee80211_rx_h_decrypt()
1986 		rx->key = ieee80211_rx_get_bigtk(rx, mmie_keyidx);  in ieee80211_rx_h_decrypt()
1987 		if (!rx->key)  in ieee80211_rx_h_decrypt()
1991 		if ((status->flag & RX_FLAG_DECRYPTED) &&  in ieee80211_rx_h_decrypt()
1992 		    (status->flag & RX_FLAG_IV_STRIPPED))  in ieee80211_rx_h_decrypt()
1998 		if (rx->sta) {  in ieee80211_rx_h_decrypt()
2000 			    test_sta_flag(rx->sta, WLAN_STA_MFP))  in ieee80211_rx_h_decrypt()
2003 			rx->key = rcu_dereference(rx->sta->gtk[mmie_keyidx]);  in ieee80211_rx_h_decrypt()
2005 		if (!rx->key)  in ieee80211_rx_h_decrypt()
2006 			rx->key = rcu_dereference(rx->sdata->keys[mmie_keyidx]);  in ieee80211_rx_h_decrypt()
2010 		 * need to set rx->key if there is a key that could have been  in ieee80211_rx_h_decrypt()
2015 		struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_decrypt()
2019 			key = ieee80211_rx_get_bigtk(rx, -1);  in ieee80211_rx_h_decrypt()
2021 			   is_multicast_ether_addr(hdr->addr1)) {  in ieee80211_rx_h_decrypt()
2022 			key = rcu_dereference(rx->sdata->default_mgmt_key);  in ieee80211_rx_h_decrypt()
2024 			if (rx->sta) {  in ieee80211_rx_h_decrypt()
2026 					key = rcu_dereference(rx->sta->gtk[i]);  in ieee80211_rx_h_decrypt()
2033 					key = rcu_dereference(sdata->keys[i]);  in ieee80211_rx_h_decrypt()
2040 			rx->key = key;  in ieee80211_rx_h_decrypt()
2052 		if ((status->flag & RX_FLAG_DECRYPTED) &&  in ieee80211_rx_h_decrypt()
2053 		    (status->flag & RX_FLAG_IV_STRIPPED))  in ieee80211_rx_h_decrypt()
2056 		keyidx = ieee80211_get_keyid(rx->skb, cs);  in ieee80211_rx_h_decrypt()
2061 		/* check per-station GTK first, if multicast packet */  in ieee80211_rx_h_decrypt()
2062 		if (is_multicast_ether_addr(hdr->addr1) && rx->sta)  in ieee80211_rx_h_decrypt()
2063 			rx->key = rcu_dereference(rx->sta->gtk[keyidx]);  in ieee80211_rx_h_decrypt()
2066 		if (!rx->key) {  in ieee80211_rx_h_decrypt()
2067 			rx->key = rcu_dereference(rx->sdata->keys[keyidx]);  in ieee80211_rx_h_decrypt()
2070 			 * RSNA-protected unicast frames should always be  in ieee80211_rx_h_decrypt()
2071 			 * sent with pairwise or station-to-station keys,  in ieee80211_rx_h_decrypt()
2074 			if (rx->key &&  in ieee80211_rx_h_decrypt()
2075 			    rx->key->conf.cipher != WLAN_CIPHER_SUITE_WEP40 &&  in ieee80211_rx_h_decrypt()
2076 			    rx->key->conf.cipher != WLAN_CIPHER_SUITE_WEP104 &&  in ieee80211_rx_h_decrypt()
2077 			    !is_multicast_ether_addr(hdr->addr1))  in ieee80211_rx_h_decrypt()
2078 				rx->key = NULL;  in ieee80211_rx_h_decrypt()
2082 	if (rx->key) {  in ieee80211_rx_h_decrypt()
2083 		if (unlikely(rx->key->flags & KEY_FLAG_TAINTED))  in ieee80211_rx_h_decrypt()
2091 	switch (rx->key->conf.cipher) {  in ieee80211_rx_h_decrypt()
2128 	status->flag |= RX_FLAG_DECRYPTED;  in ieee80211_rx_h_decrypt()
2131 		     rx->sdata->dev))  in ieee80211_rx_h_decrypt()
2132 		cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,  in ieee80211_rx_h_decrypt()
2133 					     skb->data, skb->len);  in ieee80211_rx_h_decrypt()
2142 	for (i = 0; i < ARRAY_SIZE(cache->entries); i++)  in ieee80211_init_frag_cache()
2143 		skb_queue_head_init(&cache->entries[i].skb_list);  in ieee80211_init_frag_cache()
2150 	for (i = 0; i < ARRAY_SIZE(cache->entries); i++)  in ieee80211_destroy_frag_cache()
2151 		__skb_queue_purge(&cache->entries[i].skb_list);  in ieee80211_destroy_frag_cache()
2161 	entry = &cache->entries[cache->next++];  in ieee80211_reassemble_add()
2162 	if (cache->next >= IEEE80211_FRAGMENT_MAX)  in ieee80211_reassemble_add()
2163 		cache->next = 0;  in ieee80211_reassemble_add()
2165 	__skb_queue_purge(&entry->skb_list);  in ieee80211_reassemble_add()
2167 	__skb_queue_tail(&entry->skb_list, *skb); /* no need for locking */  in ieee80211_reassemble_add()
2169 	entry->first_frag_time = jiffies;  in ieee80211_reassemble_add()
2170 	entry->seq = seq;  in ieee80211_reassemble_add()
2171 	entry->rx_queue = rx_queue;  in ieee80211_reassemble_add()
2172 	entry->last_frag = frag;  in ieee80211_reassemble_add()
2173 	entry->check_sequential_pn = false;  in ieee80211_reassemble_add()
2174 	entry->extra_len = 0;  in ieee80211_reassemble_add()
2187 	idx = cache->next;  in ieee80211_reassemble_find()
2192 		idx--;  in ieee80211_reassemble_find()
2194 			idx = IEEE80211_FRAGMENT_MAX - 1;  in ieee80211_reassemble_find()
2196 		entry = &cache->entries[idx];  in ieee80211_reassemble_find()
2197 		if (skb_queue_empty(&entry->skb_list) || entry->seq != seq ||  in ieee80211_reassemble_find()
2198 		    entry->rx_queue != rx_queue ||  in ieee80211_reassemble_find()
2199 		    entry->last_frag + 1 != frag)  in ieee80211_reassemble_find()
2202 		f_skb = __skb_peek(&entry->skb_list);  in ieee80211_reassemble_find()
2203 		f_hdr = (struct ieee80211_hdr *) f_skb->data;  in ieee80211_reassemble_find()
2208 		if (((hdr->frame_control ^ f_hdr->frame_control) &  in ieee80211_reassemble_find()
2210 		    !ether_addr_equal(hdr->addr1, f_hdr->addr1) ||  in ieee80211_reassemble_find()
2211 		    !ether_addr_equal(hdr->addr2, f_hdr->addr2))  in ieee80211_reassemble_find()
2214 		if (time_after(jiffies, entry->first_frag_time + 2 * HZ)) {  in ieee80211_reassemble_find()
2215 			__skb_queue_purge(&entry->skb_list);  in ieee80211_reassemble_find()
2226 	return rx->key &&  in requires_sequential_pn()
2227 		(rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP ||  in requires_sequential_pn()
2228 		 rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP_256 ||  in requires_sequential_pn()
2229 		 rx->key->conf.cipher == WLAN_CIPHER_SUITE_GCMP ||  in requires_sequential_pn()
2230 		 rx->key->conf.cipher == WLAN_CIPHER_SUITE_GCMP_256) &&  in requires_sequential_pn()
2237 	struct ieee80211_fragment_cache *cache = &rx->sdata->frags;  in ieee80211_rx_h_defragment()
2244 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_h_defragment()
2246 	hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_rx_h_defragment()
2247 	fc = hdr->frame_control;  in ieee80211_rx_h_defragment()
2252 	sc = le16_to_cpu(hdr->seq_ctrl);  in ieee80211_rx_h_defragment()
2255 	if (rx->sta)  in ieee80211_rx_h_defragment()
2256 		cache = &rx->sta->frags;  in ieee80211_rx_h_defragment()
2261 	if (is_multicast_ether_addr(hdr->addr1))  in ieee80211_rx_h_defragment()
2264 	I802_DEBUG_INC(rx->local->rx_handlers_fragments);  in ieee80211_rx_h_defragment()
2266 	if (skb_linearize(rx->skb))  in ieee80211_rx_h_defragment()
2270 	 *  skb_linearize() might change the skb->data and  in ieee80211_rx_h_defragment()
2274 	hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_rx_h_defragment()
2280 						 rx->seqno_idx, &(rx->skb));  in ieee80211_rx_h_defragment()
2282 			int queue = rx->security_idx;  in ieee80211_rx_h_defragment()
2287 			entry->check_sequential_pn = true;  in ieee80211_rx_h_defragment()
2288 			entry->is_protected = true;  in ieee80211_rx_h_defragment()
2289 			entry->key_color = rx->key->color;  in ieee80211_rx_h_defragment()
2290 			memcpy(entry->last_pn,  in ieee80211_rx_h_defragment()
2291 			       rx->key->u.ccmp.rx_pn[queue],  in ieee80211_rx_h_defragment()
2297 			BUILD_BUG_ON(sizeof(rx->key->u.ccmp.rx_pn[queue]) !=  in ieee80211_rx_h_defragment()
2298 				     sizeof(rx->key->u.gcmp.rx_pn[queue]));  in ieee80211_rx_h_defragment()
2301 		} else if (rx->key &&  in ieee80211_rx_h_defragment()
2303 			    (status->flag & RX_FLAG_DECRYPTED))) {  in ieee80211_rx_h_defragment()
2304 			entry->is_protected = true;  in ieee80211_rx_h_defragment()
2305 			entry->key_color = rx->key->color;  in ieee80211_rx_h_defragment()
2314 					  rx->seqno_idx, hdr);  in ieee80211_rx_h_defragment()
2316 		I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag);  in ieee80211_rx_h_defragment()
2322 	 * see IEEE P802.11-REVmc/D5.0, 12.5.3.4.4, item d (for CCMP)  in ieee80211_rx_h_defragment()
2323 	 * and IEEE P802.11-REVmc/D5.0, 12.5.5.4.4, item d (for GCMP)  in ieee80211_rx_h_defragment()
2325 	if (entry->check_sequential_pn) {  in ieee80211_rx_h_defragment()
2333 		if (entry->key_color != rx->key->color)  in ieee80211_rx_h_defragment()
2336 		memcpy(pn, entry->last_pn, IEEE80211_CCMP_PN_LEN);  in ieee80211_rx_h_defragment()
2337 		for (i = IEEE80211_CCMP_PN_LEN - 1; i >= 0; i--) {  in ieee80211_rx_h_defragment()
2343 		rpn = rx->ccm_gcm.pn;  in ieee80211_rx_h_defragment()
2346 		memcpy(entry->last_pn, pn, IEEE80211_CCMP_PN_LEN);  in ieee80211_rx_h_defragment()
2347 	} else if (entry->is_protected &&  in ieee80211_rx_h_defragment()
2348 		   (!rx->key ||  in ieee80211_rx_h_defragment()
2350 		     !(status->flag & RX_FLAG_DECRYPTED)) ||  in ieee80211_rx_h_defragment()
2351 		    rx->key->color != entry->key_color)) {  in ieee80211_rx_h_defragment()
2357 	} else if (entry->is_protected && rx->key &&  in ieee80211_rx_h_defragment()
2358 		   entry->key_color != rx->key->color &&  in ieee80211_rx_h_defragment()
2359 		   (status->flag & RX_FLAG_DECRYPTED)) {  in ieee80211_rx_h_defragment()
2363 	skb_pull(rx->skb, ieee80211_hdrlen(fc));  in ieee80211_rx_h_defragment()
2364 	__skb_queue_tail(&entry->skb_list, rx->skb);  in ieee80211_rx_h_defragment()
2365 	entry->last_frag = frag;  in ieee80211_rx_h_defragment()
2366 	entry->extra_len += rx->skb->len;  in ieee80211_rx_h_defragment()
2368 		rx->skb = NULL;  in ieee80211_rx_h_defragment()
2372 	rx->skb = __skb_dequeue(&entry->skb_list);  in ieee80211_rx_h_defragment()
2373 	if (skb_tailroom(rx->skb) < entry->extra_len) {  in ieee80211_rx_h_defragment()
2374 		I802_DEBUG_INC(rx->local->rx_expand_skb_head_defrag);  in ieee80211_rx_h_defragment()
2375 		if (unlikely(pskb_expand_head(rx->skb, 0, entry->extra_len,  in ieee80211_rx_h_defragment()
2377 			I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag);  in ieee80211_rx_h_defragment()
2378 			__skb_queue_purge(&entry->skb_list);  in ieee80211_rx_h_defragment()
2382 	while ((skb = __skb_dequeue(&entry->skb_list))) {  in ieee80211_rx_h_defragment()
2383 		skb_put_data(rx->skb, skb->data, skb->len);  in ieee80211_rx_h_defragment()
2388 	ieee80211_led_rx(rx->local);  in ieee80211_rx_h_defragment()
2389 	if (rx->sta)  in ieee80211_rx_h_defragment()
2390 		rx->sta->rx_stats.packets++;  in ieee80211_rx_h_defragment()
2396 	if (unlikely(!rx->sta || !test_sta_flag(rx->sta, WLAN_STA_AUTHORIZED)))  in ieee80211_802_1x_port_control()
2397 		return -EACCES;  in ieee80211_802_1x_port_control()
2404 	struct ieee80211_hdr *hdr = (void *)rx->skb->data;  in ieee80211_drop_unencrypted()
2405 	struct sk_buff *skb = rx->skb;  in ieee80211_drop_unencrypted()
2412 	if (status->flag & RX_FLAG_DECRYPTED)  in ieee80211_drop_unencrypted()
2416 	if (unlikely(rx->sta && ieee80211_vif_is_mesh(&rx->sdata->vif) &&  in ieee80211_drop_unencrypted()
2423 		if (!ether_addr_equal(hdr->addr1, rx->sdata->vif.addr))  in ieee80211_drop_unencrypted()
2427 		if (!pskb_may_pull(rx->skb, hdr_len + 6))  in ieee80211_drop_unencrypted()
2430 		mesh_hdr = (struct ieee80211s_hdr *)(skb->data + hdr_len);  in ieee80211_drop_unencrypted()
2434 		if (skb_copy_bits(rx->skb, ethertype_offset, &ethertype, 2) == 0 &&  in ieee80211_drop_unencrypted()
2435 		    ethertype == rx->sdata->control_port_protocol)  in ieee80211_drop_unencrypted()
2443 		     ieee80211_is_data(fc) && rx->key))  in ieee80211_drop_unencrypted()
2444 		return -EACCES;  in ieee80211_drop_unencrypted()
2451 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_drop_unencrypted_mgmt()
2452 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_drop_unencrypted_mgmt()
2453 	__le16 fc = hdr->frame_control;  in ieee80211_drop_unencrypted_mgmt()
2459 	if (status->flag & RX_FLAG_DECRYPTED)  in ieee80211_drop_unencrypted_mgmt()
2462 	if (rx->sta && test_sta_flag(rx->sta, WLAN_STA_MFP)) {  in ieee80211_drop_unencrypted_mgmt()
2464 			     ieee80211_is_unicast_robust_mgmt_frame(rx->skb) &&  in ieee80211_drop_unencrypted_mgmt()
2465 			     rx->key)) {  in ieee80211_drop_unencrypted_mgmt()
2468 				cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,  in ieee80211_drop_unencrypted_mgmt()
2469 							     rx->skb->data,  in ieee80211_drop_unencrypted_mgmt()
2470 							     rx->skb->len);  in ieee80211_drop_unencrypted_mgmt()
2471 			return -EACCES;  in ieee80211_drop_unencrypted_mgmt()
2474 		if (unlikely(ieee80211_is_multicast_robust_mgmt_frame(rx->skb) &&  in ieee80211_drop_unencrypted_mgmt()
2475 			     ieee80211_get_mmie_keyidx(rx->skb) < 0)) {  in ieee80211_drop_unencrypted_mgmt()
2478 				cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,  in ieee80211_drop_unencrypted_mgmt()
2479 							     rx->skb->data,  in ieee80211_drop_unencrypted_mgmt()
2480 							     rx->skb->len);  in ieee80211_drop_unencrypted_mgmt()
2481 			return -EACCES;  in ieee80211_drop_unencrypted_mgmt()
2483 		if (unlikely(ieee80211_is_beacon(fc) && rx->key &&  in ieee80211_drop_unencrypted_mgmt()
2484 			     ieee80211_get_mmie_keyidx(rx->skb) < 0)) {  in ieee80211_drop_unencrypted_mgmt()
2485 			cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,  in ieee80211_drop_unencrypted_mgmt()
2486 						     rx->skb->data,  in ieee80211_drop_unencrypted_mgmt()
2487 						     rx->skb->len);  in ieee80211_drop_unencrypted_mgmt()
2488 			return -EACCES;  in ieee80211_drop_unencrypted_mgmt()
2494 		if (unlikely(ieee80211_is_action(fc) && !rx->key &&  in ieee80211_drop_unencrypted_mgmt()
2495 			     ieee80211_is_robust_mgmt_frame(rx->skb)))  in ieee80211_drop_unencrypted_mgmt()
2496 			return -EACCES;  in ieee80211_drop_unencrypted_mgmt()
2505 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in __ieee80211_data_to_8023()
2506 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;  in __ieee80211_data_to_8023()
2512 	if (ieee80211_has_a4(hdr->frame_control) &&  in __ieee80211_data_to_8023()
2513 	    sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta)  in __ieee80211_data_to_8023()
2514 		return -1;  in __ieee80211_data_to_8023()
2516 	if (sdata->vif.type == NL80211_IFTYPE_STATION &&  in __ieee80211_data_to_8023()
2517 	    !!sdata->u.mgd.use_4addr != !!ieee80211_has_a4(hdr->frame_control)) {  in __ieee80211_data_to_8023()
2519 		if (!sdata->u.mgd.use_4addr)  in __ieee80211_data_to_8023()
2520 			return -1;  in __ieee80211_data_to_8023()
2521 		else if (!ether_addr_equal(hdr->addr1, sdata->vif.addr))  in __ieee80211_data_to_8023()
2525 	if (is_multicast_ether_addr(hdr->addr1) &&  in __ieee80211_data_to_8023()
2526 	    sdata->vif.type == NL80211_IFTYPE_AP_VLAN && sdata->u.vlan.sta)  in __ieee80211_data_to_8023()
2527 		return -1;  in __ieee80211_data_to_8023()
2529 	ret = ieee80211_data_to_8023(rx->skb, sdata->vif.addr, sdata->vif.type);  in __ieee80211_data_to_8023()
2533 	ehdr = (struct ethhdr *) rx->skb->data;  in __ieee80211_data_to_8023()
2534 	if (ehdr->h_proto == rx->sdata->control_port_protocol)  in __ieee80211_data_to_8023()
2537 		return -1;  in __ieee80211_data_to_8023()
2543  * requires that rx->skb is a frame with ethernet header
2549 	struct ethhdr *ehdr = (struct ethhdr *) rx->skb->data;  in ieee80211_frame_allowed()
2556 	if (unlikely(ehdr->h_proto == rx->sdata->control_port_protocol))  in ieee80211_frame_allowed()
2557 		return ether_addr_equal(ehdr->h_dest, rx->sdata->vif.addr) ||  in ieee80211_frame_allowed()
2558 		       ether_addr_equal(ehdr->h_dest, pae_group_addr);  in ieee80211_frame_allowed()
2570 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_deliver_skb_to_local_stack()
2571 	struct net_device *dev = sdata->dev;  in ieee80211_deliver_skb_to_local_stack()  local
2573 	if (unlikely((skb->protocol == sdata->control_port_protocol ||  in ieee80211_deliver_skb_to_local_stack()
2574 		     (skb->protocol == cpu_to_be16(ETH_P_PREAUTH) &&  in ieee80211_deliver_skb_to_local_stack()
2575 		      !sdata->control_port_no_preauth)) &&  in ieee80211_deliver_skb_to_local_stack()
2576 		     sdata->control_port_over_nl80211)) {  in ieee80211_deliver_skb_to_local_stack()
2578 		bool noencrypt = !(status->flag & RX_FLAG_DECRYPTED);  in ieee80211_deliver_skb_to_local_stack()
2580 		cfg80211_rx_control_port(dev, skb, noencrypt);  in ieee80211_deliver_skb_to_local_stack()
2585 		memset(skb->cb, 0, sizeof(skb->cb));  in ieee80211_deliver_skb_to_local_stack()
2601 		if (unlikely(skb->protocol == sdata->control_port_protocol &&  in ieee80211_deliver_skb_to_local_stack()
2602 			     !ether_addr_equal(ehdr->h_dest, sdata->vif.addr)))  in ieee80211_deliver_skb_to_local_stack()
2603 			ether_addr_copy(ehdr->h_dest, sdata->vif.addr);  in ieee80211_deliver_skb_to_local_stack()
2606 		if (rx->list)  in ieee80211_deliver_skb_to_local_stack()
2607 			list_add_tail(&skb->list, rx->list);  in ieee80211_deliver_skb_to_local_stack()
2614  * requires that rx->skb is a frame with ethernet header
2619 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_deliver_skb()
2620 	struct net_device *dev = sdata->dev;  in ieee80211_deliver_skb()  local
2622 	struct ethhdr *ehdr = (struct ethhdr *) rx->skb->data;  in ieee80211_deliver_skb()
2625 	skb = rx->skb;  in ieee80211_deliver_skb()
2628 	ieee80211_rx_stats(dev, skb->len);  in ieee80211_deliver_skb()
2630 	if (rx->sta) {  in ieee80211_deliver_skb()
2633 		 * for non-QoS-data frames. Here we know it's a data  in ieee80211_deliver_skb()
2636 		u64_stats_update_begin(&rx->sta->rx_stats.syncp);  in ieee80211_deliver_skb()
2637 		rx->sta->rx_stats.msdu[rx->seqno_idx]++;  in ieee80211_deliver_skb()
2638 		u64_stats_update_end(&rx->sta->rx_stats.syncp);  in ieee80211_deliver_skb()
2641 	if ((sdata->vif.type == NL80211_IFTYPE_AP ||  in ieee80211_deliver_skb()
2642 	     sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&  in ieee80211_deliver_skb()
2643 	    !(sdata->flags & IEEE80211_SDATA_DONT_BRIDGE_PACKETS) &&  in ieee80211_deliver_skb()
2644 	    ehdr->h_proto != rx->sdata->control_port_protocol &&  in ieee80211_deliver_skb()
2645 	    (sdata->vif.type != NL80211_IFTYPE_AP_VLAN || !sdata->u.vlan.sta)) {  in ieee80211_deliver_skb()
2646 		if (is_multicast_ether_addr(ehdr->h_dest) &&  in ieee80211_deliver_skb()
2655 						    dev->name);  in ieee80211_deliver_skb()
2656 		} else if (!is_multicast_ether_addr(ehdr->h_dest) &&  in ieee80211_deliver_skb()
2657 			   !ether_addr_equal(ehdr->h_dest, ehdr->h_source)) {  in ieee80211_deliver_skb()
2658 			dsta = sta_info_get(sdata, ehdr->h_dest);  in ieee80211_deliver_skb()
2675 		 * frames are required to be aligned to 2-byte boundaries  in ieee80211_deliver_skb()
2678 		 * access fields as 2-byte aligned (e.g. for ether_addr_equal)  in ieee80211_deliver_skb()
2682 		align = (unsigned long)(skb->data + sizeof(struct ethhdr)) & 3;  in ieee80211_deliver_skb()
2688 				u8 *data = skb->data;  in ieee80211_deliver_skb()
2690 				skb->data -= align;  in ieee80211_deliver_skb()
2691 				memmove(skb->data, data, len);  in ieee80211_deliver_skb()
2699 		skb->protocol = eth_type_trans(skb, dev);  in ieee80211_deliver_skb()
2709 		xmit_skb->priority += 256;  in ieee80211_deliver_skb()
2710 		xmit_skb->protocol = htons(ETH_P_802_3);  in ieee80211_deliver_skb()
2720 	struct net_device *dev = rx->sdata->dev;  in __ieee80211_rx_h_amsdu()  local
2721 	struct sk_buff *skb = rx->skb;  in __ieee80211_rx_h_amsdu()
2722 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;  in __ieee80211_rx_h_amsdu()
2723 	__le16 fc = hdr->frame_control;  in __ieee80211_rx_h_amsdu()
2728 	if (unlikely(ieee80211_has_a4(hdr->frame_control))) {  in __ieee80211_rx_h_amsdu()
2731 	} else switch (rx->sdata->vif.type) {  in __ieee80211_rx_h_amsdu()
2737 			if (!rx->sta ||  in __ieee80211_rx_h_amsdu()
2738 			    !test_sta_flag(rx->sta, WLAN_STA_TDLS_PEER))  in __ieee80211_rx_h_amsdu()
2748 	skb->dev = dev;  in __ieee80211_rx_h_amsdu()
2752 					  rx->sdata->vif.addr,  in __ieee80211_rx_h_amsdu()
2753 					  rx->sdata->vif.type,  in __ieee80211_rx_h_amsdu()
2757 	ieee80211_amsdu_to_8023s(skb, &frame_list, dev->dev_addr,  in __ieee80211_rx_h_amsdu()
2758 				 rx->sdata->vif.type,  in __ieee80211_rx_h_amsdu()
2759 				 rx->local->hw.extra_tx_headroom,  in __ieee80211_rx_h_amsdu()
2763 		rx->skb = __skb_dequeue(&frame_list);  in __ieee80211_rx_h_amsdu()
2766 			dev_kfree_skb(rx->skb);  in __ieee80211_rx_h_amsdu()
2779 	struct sk_buff *skb = rx->skb;  in ieee80211_rx_h_amsdu()
2781 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;  in ieee80211_rx_h_amsdu()
2782 	__le16 fc = hdr->frame_control;  in ieee80211_rx_h_amsdu()
2784 	if (!(status->rx_flags & IEEE80211_RX_AMSDU))  in ieee80211_rx_h_amsdu()
2793 	if (unlikely(ieee80211_has_a4(hdr->frame_control))) {  in ieee80211_rx_h_amsdu()
2794 		switch (rx->sdata->vif.type) {  in ieee80211_rx_h_amsdu()
2796 			if (!rx->sdata->u.vlan.sta)  in ieee80211_rx_h_amsdu()
2800 			if (!rx->sdata->u.mgd.use_4addr)  in ieee80211_rx_h_amsdu()
2808 	if (is_multicast_ether_addr(hdr->addr1))  in ieee80211_rx_h_amsdu()
2811 	if (rx->key) {  in ieee80211_rx_h_amsdu()
2813 		 * We should not receive A-MSDUs on pre-HT connections,  in ieee80211_rx_h_amsdu()
2816 		 * A-MSDUs or such.  in ieee80211_rx_h_amsdu()
2818 		switch (rx->key->conf.cipher) {  in ieee80211_rx_h_amsdu()
2838 	struct sk_buff *skb = rx->skb, *fwd_skb;  in ieee80211_rx_h_mesh_fwding()
2839 	struct ieee80211_local *local = rx->local;  in ieee80211_rx_h_mesh_fwding()
2840 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_mesh_fwding()
2841 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;  in ieee80211_rx_h_mesh_fwding()
2845 	hdr = (struct ieee80211_hdr *) skb->data;  in ieee80211_rx_h_mesh_fwding()
2846 	hdrlen = ieee80211_hdrlen(hdr->frame_control);  in ieee80211_rx_h_mesh_fwding()
2849 	if (!pskb_may_pull(rx->skb, hdrlen + 6))  in ieee80211_rx_h_mesh_fwding()
2852 	mesh_hdr = (struct ieee80211s_hdr *) (skb->data + hdrlen);  in ieee80211_rx_h_mesh_fwding()
2855 	if (!pskb_may_pull(rx->skb,  in ieee80211_rx_h_mesh_fwding()
2860 	hdr = (struct ieee80211_hdr *) skb->data;  in ieee80211_rx_h_mesh_fwding()
2861 	mesh_hdr = (struct ieee80211s_hdr *) (skb->data + hdrlen);  in ieee80211_rx_h_mesh_fwding()
2863 	if (ieee80211_drop_unencrypted(rx, hdr->frame_control))  in ieee80211_rx_h_mesh_fwding()
2867 	if (ieee80211_is_data(hdr->frame_control) &&  in ieee80211_rx_h_mesh_fwding()
2868 	    is_multicast_ether_addr(hdr->addr1) &&  in ieee80211_rx_h_mesh_fwding()
2869 	    mesh_rmc_check(rx->sdata, hdr->addr3, mesh_hdr))  in ieee80211_rx_h_mesh_fwding()
2872 	if (!ieee80211_is_data(hdr->frame_control))  in ieee80211_rx_h_mesh_fwding()
2875 	if (!mesh_hdr->ttl)  in ieee80211_rx_h_mesh_fwding()
2878 	if (mesh_hdr->flags & MESH_FLAGS_AE) {  in ieee80211_rx_h_mesh_fwding()
2883 		if (is_multicast_ether_addr(hdr->addr1)) {  in ieee80211_rx_h_mesh_fwding()
2884 			mpp_addr = hdr->addr3;  in ieee80211_rx_h_mesh_fwding()
2885 			proxied_addr = mesh_hdr->eaddr1;  in ieee80211_rx_h_mesh_fwding()
2886 		} else if ((mesh_hdr->flags & MESH_FLAGS_AE) ==  in ieee80211_rx_h_mesh_fwding()
2889 			mpp_addr = hdr->addr4;  in ieee80211_rx_h_mesh_fwding()
2890 			proxied_addr = mesh_hdr->eaddr2;  in ieee80211_rx_h_mesh_fwding()
2900 			spin_lock_bh(&mppath->state_lock);  in ieee80211_rx_h_mesh_fwding()
2901 			if (!ether_addr_equal(mppath->mpp, mpp_addr))  in ieee80211_rx_h_mesh_fwding()
2902 				memcpy(mppath->mpp, mpp_addr, ETH_ALEN);  in ieee80211_rx_h_mesh_fwding()
2903 			mppath->exp_time = jiffies;  in ieee80211_rx_h_mesh_fwding()
2904 			spin_unlock_bh(&mppath->state_lock);  in ieee80211_rx_h_mesh_fwding()
2910 	if (!is_multicast_ether_addr(hdr->addr1) &&  in ieee80211_rx_h_mesh_fwding()
2911 	    ether_addr_equal(sdata->vif.addr, hdr->addr3))  in ieee80211_rx_h_mesh_fwding()
2914 	ac = ieee802_1d_to_ac[skb->priority];  in ieee80211_rx_h_mesh_fwding()
2915 	q = sdata->vif.hw_queue[ac];  in ieee80211_rx_h_mesh_fwding()
2916 	if (ieee80211_queue_stopped(&local->hw, q)) {  in ieee80211_rx_h_mesh_fwding()
2922 	if (!--mesh_hdr->ttl) {  in ieee80211_rx_h_mesh_fwding()
2923 		if (!is_multicast_ether_addr(hdr->addr1))  in ieee80211_rx_h_mesh_fwding()
2929 	if (!ifmsh->mshcfg.dot11MeshForwarding)  in ieee80211_rx_h_mesh_fwding()
2932 	if (sdata->crypto_tx_tailroom_needed_cnt)  in ieee80211_rx_h_mesh_fwding()
2935 	fwd_skb = skb_copy_expand(skb, local->tx_headroom +  in ieee80211_rx_h_mesh_fwding()
2936 				       sdata->encrypt_headroom,  in ieee80211_rx_h_mesh_fwding()
2941 	fwd_hdr =  (struct ieee80211_hdr *) fwd_skb->data;  in ieee80211_rx_h_mesh_fwding()
2942 	fwd_hdr->frame_control &= ~cpu_to_le16(IEEE80211_FCTL_RETRY);  in ieee80211_rx_h_mesh_fwding()
2945 	info->control.flags |= IEEE80211_TX_INTCFL_NEED_TXPROCESSING;  in ieee80211_rx_h_mesh_fwding()
2946 	info->control.vif = &rx->sdata->vif;  in ieee80211_rx_h_mesh_fwding()
2947 	info->control.jiffies = jiffies;  in ieee80211_rx_h_mesh_fwding()
2948 	if (is_multicast_ether_addr(fwd_hdr->addr1)) {  in ieee80211_rx_h_mesh_fwding()
2950 		memcpy(fwd_hdr->addr2, sdata->vif.addr, ETH_ALEN);  in ieee80211_rx_h_mesh_fwding()
2958 		mesh_path_error_tx(sdata, ifmsh->mshcfg.element_ttl,  in ieee80211_rx_h_mesh_fwding()
2959 				   fwd_hdr->addr3, 0,  in ieee80211_rx_h_mesh_fwding()
2961 				   fwd_hdr->addr2);  in ieee80211_rx_h_mesh_fwding()
2970 	if (is_multicast_ether_addr(hdr->addr1))  in ieee80211_rx_h_mesh_fwding()
2979 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_data()
2980 	struct ieee80211_local *local = rx->local;  in ieee80211_rx_h_data()
2981 	struct net_device *dev = sdata->dev;  in ieee80211_rx_h_data()  local
2982 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;  in ieee80211_rx_h_data()
2983 	__le16 fc = hdr->frame_control;  in ieee80211_rx_h_data()
2987 	if (unlikely(!ieee80211_is_data(hdr->frame_control)))  in ieee80211_rx_h_data()
2990 	if (unlikely(!ieee80211_is_data_present(hdr->frame_control)))  in ieee80211_rx_h_data()
2994 	 * Send unexpected-4addr-frame event to hostapd. For older versions,  in ieee80211_rx_h_data()
2997 	if (ieee80211_has_a4(hdr->frame_control) &&  in ieee80211_rx_h_data()
2998 	    sdata->vif.type == NL80211_IFTYPE_AP) {  in ieee80211_rx_h_data()
2999 		if (rx->sta &&  in ieee80211_rx_h_data()
3000 		    !test_and_set_sta_flag(rx->sta, WLAN_STA_4ADDR_EVENT))  in ieee80211_rx_h_data()
3002 				rx->sdata->dev, rx->sta->sta.addr, GFP_ATOMIC);  in ieee80211_rx_h_data()
3014 	if (unlikely(((struct ethhdr *)rx->skb->data)->h_proto ==  in ieee80211_rx_h_data()
3016 		struct ieee80211_tdls_data *tf = (void *)rx->skb->data;  in ieee80211_rx_h_data()
3018 		if (pskb_may_pull(rx->skb,  in ieee80211_rx_h_data()
3020 		    tf->payload_type == WLAN_TDLS_SNAP_RFTYPE &&  in ieee80211_rx_h_data()
3021 		    tf->category == WLAN_CATEGORY_TDLS &&  in ieee80211_rx_h_data()
3022 		    (tf->action_code == WLAN_TDLS_CHANNEL_SWITCH_REQUEST ||  in ieee80211_rx_h_data()
3023 		     tf->action_code == WLAN_TDLS_CHANNEL_SWITCH_RESPONSE)) {  in ieee80211_rx_h_data()
3024 			skb_queue_tail(&local->skb_queue_tdls_chsw, rx->skb);  in ieee80211_rx_h_data()
3025 			schedule_work(&local->tdls_chsw_work);  in ieee80211_rx_h_data()
3026 			if (rx->sta)  in ieee80211_rx_h_data()
3027 				rx->sta->rx_stats.packets++;  in ieee80211_rx_h_data()
3033 	if (rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&  in ieee80211_rx_h_data()
3034 	    unlikely(port_control) && sdata->bss) {  in ieee80211_rx_h_data()
3035 		sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,  in ieee80211_rx_h_data()
3037 		dev = sdata->dev;  in ieee80211_rx_h_data()
3038 		rx->sdata = sdata;  in ieee80211_rx_h_data()
3041 	rx->skb->dev = dev;  in ieee80211_rx_h_data()
3043 	if (!ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS) &&  in ieee80211_rx_h_data()
3044 	    local->ps_sdata && local->hw.conf.dynamic_ps_timeout > 0 &&  in ieee80211_rx_h_data()
3046 		    ((struct ethhdr *)rx->skb->data)->h_dest) &&  in ieee80211_rx_h_data()
3047 	    (!local->scanning &&  in ieee80211_rx_h_data()
3048 	     !test_bit(SDATA_STATE_OFFCHANNEL, &sdata->state)))  in ieee80211_rx_h_data()
3049 		mod_timer(&local->dynamic_ps_timer, jiffies +  in ieee80211_rx_h_data()
3050 			  msecs_to_jiffies(local->hw.conf.dynamic_ps_timeout));  in ieee80211_rx_h_data()
3060 	struct sk_buff *skb = rx->skb;  in ieee80211_rx_h_ctrl()
3061 	struct ieee80211_bar *bar = (struct ieee80211_bar *)skb->data;  in ieee80211_rx_h_ctrl()
3066 	if (likely(!ieee80211_is_ctl(bar->frame_control)))  in ieee80211_rx_h_ctrl()
3069 	if (ieee80211_is_back_req(bar->frame_control)) {  in ieee80211_rx_h_ctrl()
3077 		if (!rx->sta)  in ieee80211_rx_h_ctrl()
3086 		if (!test_bit(tid, rx->sta->ampdu_mlme.agg_session_valid) &&  in ieee80211_rx_h_ctrl()
3087 		    !test_and_set_bit(tid, rx->sta->ampdu_mlme.unexpected_agg))  in ieee80211_rx_h_ctrl()
3088 			ieee80211_send_delba(rx->sdata, rx->sta->sta.addr, tid,  in ieee80211_rx_h_ctrl()
3092 		tid_agg_rx = rcu_dereference(rx->sta->ampdu_mlme.tid_rx[tid]);  in ieee80211_rx_h_ctrl()
3099 		event.u.ba.sta = &rx->sta->sta;  in ieee80211_rx_h_ctrl()
3102 		if (tid_agg_rx->timeout)  in ieee80211_rx_h_ctrl()
3103 			mod_timer(&tid_agg_rx->session_timer,  in ieee80211_rx_h_ctrl()
3104 				  TU_TO_EXP_TIME(tid_agg_rx->timeout));  in ieee80211_rx_h_ctrl()
3106 		spin_lock(&tid_agg_rx->reorder_lock);  in ieee80211_rx_h_ctrl()
3108 		ieee80211_release_reorder_frames(rx->sdata, tid_agg_rx,  in ieee80211_rx_h_ctrl()
3110 		spin_unlock(&tid_agg_rx->reorder_lock);  in ieee80211_rx_h_ctrl()
3112 		drv_event_callback(rx->local, rx->sdata, &event);  in ieee80211_rx_h_ctrl()
3130 	struct ieee80211_local *local = sdata->local;  in ieee80211_process_sa_query_req()
3134 	if (!ether_addr_equal(mgmt->da, sdata->vif.addr)) {  in ieee80211_process_sa_query_req()
3139 	if (!ether_addr_equal(mgmt->sa, sdata->u.mgd.bssid) ||  in ieee80211_process_sa_query_req()
3140 	    !ether_addr_equal(mgmt->bssid, sdata->u.mgd.bssid)) {  in ieee80211_process_sa_query_req()
3145 	if (len < 24 + 1 + sizeof(resp->u.action.u.sa_query)) {  in ieee80211_process_sa_query_req()
3150 	skb = dev_alloc_skb(sizeof(*resp) + local->hw.extra_tx_headroom);  in ieee80211_process_sa_query_req()
3154 	skb_reserve(skb, local->hw.extra_tx_headroom);  in ieee80211_process_sa_query_req()
3156 	memcpy(resp->da, mgmt->sa, ETH_ALEN);  in ieee80211_process_sa_query_req()
3157 	memcpy(resp->sa, sdata->vif.addr, ETH_ALEN);  in ieee80211_process_sa_query_req()
3158 	memcpy(resp->bssid, sdata->u.mgd.bssid, ETH_ALEN);  in ieee80211_process_sa_query_req()
3159 	resp->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |  in ieee80211_process_sa_query_req()
3161 	skb_put(skb, 1 + sizeof(resp->u.action.u.sa_query));  in ieee80211_process_sa_query_req()
3162 	resp->u.action.category = WLAN_CATEGORY_SA_QUERY;  in ieee80211_process_sa_query_req()
3163 	resp->u.action.u.sa_query.action = WLAN_ACTION_SA_QUERY_RESPONSE;  in ieee80211_process_sa_query_req()
3164 	memcpy(resp->u.action.u.sa_query.trans_id,  in ieee80211_process_sa_query_req()
3165 	       mgmt->u.action.u.sa_query.trans_id,  in ieee80211_process_sa_query_req()
3174 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;  in ieee80211_rx_h_mgmt_check()
3175 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_h_mgmt_check()
3177 	if (ieee80211_is_s1g_beacon(mgmt->frame_control))  in ieee80211_rx_h_mgmt_check()
3185 	if (rx->skb->len < 24)  in ieee80211_rx_h_mgmt_check()
3188 	if (!ieee80211_is_mgmt(mgmt->frame_control))  in ieee80211_rx_h_mgmt_check()
3191 	if (rx->sdata->vif.type == NL80211_IFTYPE_AP &&  in ieee80211_rx_h_mgmt_check()
3192 	    ieee80211_is_beacon(mgmt->frame_control) &&  in ieee80211_rx_h_mgmt_check()
3193 	    !(rx->flags & IEEE80211_RX_BEACON_REPORTED)) {  in ieee80211_rx_h_mgmt_check()
3196 		if (ieee80211_hw_check(&rx->local->hw, SIGNAL_DBM) &&  in ieee80211_rx_h_mgmt_check()
3197 		    !(status->flag & RX_FLAG_NO_SIGNAL_VAL))  in ieee80211_rx_h_mgmt_check()
3198 			sig = status->signal;  in ieee80211_rx_h_mgmt_check()
3200 		cfg80211_report_obss_beacon_khz(rx->local->hw.wiphy,  in ieee80211_rx_h_mgmt_check()
3201 						rx->skb->data, rx->skb->len,  in ieee80211_rx_h_mgmt_check()
3204 		rx->flags |= IEEE80211_RX_BEACON_REPORTED;  in ieee80211_rx_h_mgmt_check()
3216 	struct ieee80211_local *local = rx->local;  in ieee80211_rx_h_action()
3217 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_action()
3218 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;  in ieee80211_rx_h_action()
3219 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_h_action()
3220 	int len = rx->skb->len;  in ieee80211_rx_h_action()
3222 	if (!ieee80211_is_action(mgmt->frame_control))  in ieee80211_rx_h_action()
3229 	if (!rx->sta && mgmt->u.action.category != WLAN_CATEGORY_PUBLIC &&  in ieee80211_rx_h_action()
3230 	    mgmt->u.action.category != WLAN_CATEGORY_SELF_PROTECTED &&  in ieee80211_rx_h_action()
3231 	    mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT)  in ieee80211_rx_h_action()
3234 	switch (mgmt->u.action.category) {  in ieee80211_rx_h_action()
3237 		if (!rx->sta->sta.ht_cap.ht_supported)  in ieee80211_rx_h_action()
3240 		if (sdata->vif.type != NL80211_IFTYPE_STATION &&  in ieee80211_rx_h_action()
3241 		    sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&  in ieee80211_rx_h_action()
3242 		    sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&  in ieee80211_rx_h_action()
3243 		    sdata->vif.type != NL80211_IFTYPE_AP &&  in ieee80211_rx_h_action()
3244 		    sdata->vif.type != NL80211_IFTYPE_ADHOC)  in ieee80211_rx_h_action()
3251 		switch (mgmt->u.action.u.ht_smps.action) {  in ieee80211_rx_h_action()
3257 			if (sdata->vif.type != NL80211_IFTYPE_AP &&  in ieee80211_rx_h_action()
3258 			    sdata->vif.type != NL80211_IFTYPE_AP_VLAN)  in ieee80211_rx_h_action()
3262 			switch (mgmt->u.action.u.ht_smps.smps_control) {  in ieee80211_rx_h_action()
3277 			if (rx->sta->sta.smps_mode == smps_mode)  in ieee80211_rx_h_action()
3279 			rx->sta->sta.smps_mode = smps_mode;  in ieee80211_rx_h_action()
3284 			sband = rx->local->hw.wiphy->bands[status->band];  in ieee80211_rx_h_action()
3286 			rate_control_rate_update(local, sband, rx->sta,  in ieee80211_rx_h_action()
3288 			cfg80211_sta_opmode_change_notify(sdata->dev,  in ieee80211_rx_h_action()
3289 							  rx->sta->addr,  in ieee80211_rx_h_action()
3296 			u8 chanwidth = mgmt->u.action.u.ht_notify_cw.chanwidth;  in ieee80211_rx_h_action()
3301 			if (!(rx->sta->sta.ht_cap.cap &  in ieee80211_rx_h_action()
3308 				max_bw = ieee80211_sta_cap_rx_bw(rx->sta);  in ieee80211_rx_h_action()
3311 			rx->sta->cur_max_bandwidth = max_bw;  in ieee80211_rx_h_action()
3312 			new_bw = ieee80211_sta_cur_vht_bw(rx->sta);  in ieee80211_rx_h_action()
3314 			if (rx->sta->sta.bandwidth == new_bw)  in ieee80211_rx_h_action()
3317 			rx->sta->sta.bandwidth = new_bw;  in ieee80211_rx_h_action()
3318 			sband = rx->local->hw.wiphy->bands[status->band];  in ieee80211_rx_h_action()
3320 				ieee80211_sta_rx_bw_to_chan_width(rx->sta);  in ieee80211_rx_h_action()
3323 			rate_control_rate_update(local, sband, rx->sta,  in ieee80211_rx_h_action()
3325 			cfg80211_sta_opmode_change_notify(sdata->dev,  in ieee80211_rx_h_action()
3326 							  rx->sta->addr,  in ieee80211_rx_h_action()
3339 		if (sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_action()
3341 		if (!rx->sta)  in ieee80211_rx_h_action()
3343 		if (!ether_addr_equal(mgmt->bssid, sdata->u.mgd.bssid))  in ieee80211_rx_h_action()
3345 		if (mgmt->u.action.u.ext_chan_switch.action_code !=  in ieee80211_rx_h_action()
3353 		if (sdata->vif.type != NL80211_IFTYPE_STATION &&  in ieee80211_rx_h_action()
3354 		    sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&  in ieee80211_rx_h_action()
3355 		    sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&  in ieee80211_rx_h_action()
3356 		    sdata->vif.type != NL80211_IFTYPE_AP &&  in ieee80211_rx_h_action()
3357 		    sdata->vif.type != NL80211_IFTYPE_ADHOC)  in ieee80211_rx_h_action()
3364 		switch (mgmt->u.action.u.vht_opmode_notif.action_code) {  in ieee80211_rx_h_action()
3381 		if (sdata->vif.type != NL80211_IFTYPE_STATION &&  in ieee80211_rx_h_action()
3382 		    sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&  in ieee80211_rx_h_action()
3383 		    sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&  in ieee80211_rx_h_action()
3384 		    sdata->vif.type != NL80211_IFTYPE_AP &&  in ieee80211_rx_h_action()
3385 		    sdata->vif.type != NL80211_IFTYPE_ADHOC)  in ieee80211_rx_h_action()
3392 		switch (mgmt->u.action.u.addba_req.action_code) {  in ieee80211_rx_h_action()
3395 				   sizeof(mgmt->u.action.u.addba_req)))  in ieee80211_rx_h_action()
3400 				   sizeof(mgmt->u.action.u.addba_resp)))  in ieee80211_rx_h_action()
3405 				   sizeof(mgmt->u.action.u.delba)))  in ieee80211_rx_h_action()
3418 		switch (mgmt->u.action.u.measurement.action_code) {  in ieee80211_rx_h_action()
3420 			if (status->band != NL80211_BAND_5GHZ)  in ieee80211_rx_h_action()
3424 				   sizeof(mgmt->u.action.u.measurement)))  in ieee80211_rx_h_action()
3427 			if (sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_action()
3435 				   sizeof(mgmt->u.action.u.chan_switch)))  in ieee80211_rx_h_action()
3438 			if (sdata->vif.type != NL80211_IFTYPE_STATION &&  in ieee80211_rx_h_action()
3439 			    sdata->vif.type != NL80211_IFTYPE_ADHOC &&  in ieee80211_rx_h_action()
3440 			    sdata->vif.type != NL80211_IFTYPE_MESH_POINT)  in ieee80211_rx_h_action()
3443 			if (sdata->vif.type == NL80211_IFTYPE_STATION)  in ieee80211_rx_h_action()
3444 				bssid = sdata->u.mgd.bssid;  in ieee80211_rx_h_action()
3445 			else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)  in ieee80211_rx_h_action()
3446 				bssid = sdata->u.ibss.bssid;  in ieee80211_rx_h_action()
3447 			else if (sdata->vif.type == NL80211_IFTYPE_MESH_POINT)  in ieee80211_rx_h_action()
3448 				bssid = mgmt->sa;  in ieee80211_rx_h_action()
3452 			if (!ether_addr_equal(mgmt->bssid, bssid))  in ieee80211_rx_h_action()
3461 			   sizeof(mgmt->u.action.u.self_prot.action_code)))  in ieee80211_rx_h_action()
3464 		switch (mgmt->u.action.u.self_prot.action_code) {  in ieee80211_rx_h_action()
3468 			if (!ieee80211_vif_is_mesh(&sdata->vif))  in ieee80211_rx_h_action()
3470 			if (sdata->u.mesh.user_mpm)  in ieee80211_rx_h_action()
3476 			if (!ieee80211_vif_is_mesh(&sdata->vif))  in ieee80211_rx_h_action()
3483 			   sizeof(mgmt->u.action.u.mesh_action.action_code)))  in ieee80211_rx_h_action()
3486 		if (!ieee80211_vif_is_mesh(&sdata->vif))  in ieee80211_rx_h_action()
3497 	status->rx_flags |= IEEE80211_RX_MALFORMED_ACTION_FRM;  in ieee80211_rx_h_action()
3502 	if (rx->sta)  in ieee80211_rx_h_action()
3503 		rx->sta->rx_stats.packets++;  in ieee80211_rx_h_action()
3504 	dev_kfree_skb(rx->skb);  in ieee80211_rx_h_action()
3508 	skb_queue_tail(&sdata->skb_queue, rx->skb);  in ieee80211_rx_h_action()
3509 	ieee80211_queue_work(&local->hw, &sdata->work);  in ieee80211_rx_h_action()
3510 	if (rx->sta)  in ieee80211_rx_h_action()
3511 		rx->sta->rx_stats.packets++;  in ieee80211_rx_h_action()
3518 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_h_userspace_mgmt()
3521 	/* skip known-bad action frames and return them in the next handler */  in ieee80211_rx_h_userspace_mgmt()
3522 	if (status->rx_flags & IEEE80211_RX_MALFORMED_ACTION_FRM)  in ieee80211_rx_h_userspace_mgmt()
3532 	if (ieee80211_hw_check(&rx->local->hw, SIGNAL_DBM) &&  in ieee80211_rx_h_userspace_mgmt()
3533 	    !(status->flag & RX_FLAG_NO_SIGNAL_VAL))  in ieee80211_rx_h_userspace_mgmt()
3534 		sig = status->signal;  in ieee80211_rx_h_userspace_mgmt()
3536 	if (cfg80211_rx_mgmt_khz(&rx->sdata->wdev,  in ieee80211_rx_h_userspace_mgmt()
3538 				 rx->skb->data, rx->skb->len, 0)) {  in ieee80211_rx_h_userspace_mgmt()
3539 		if (rx->sta)  in ieee80211_rx_h_userspace_mgmt()
3540 			rx->sta->rx_stats.packets++;  in ieee80211_rx_h_userspace_mgmt()
3541 		dev_kfree_skb(rx->skb);  in ieee80211_rx_h_userspace_mgmt()
3551 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_action_post_userspace()
3552 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;  in ieee80211_rx_h_action_post_userspace()
3553 	int len = rx->skb->len;  in ieee80211_rx_h_action_post_userspace()
3555 	if (!ieee80211_is_action(mgmt->frame_control))  in ieee80211_rx_h_action_post_userspace()
3558 	switch (mgmt->u.action.category) {  in ieee80211_rx_h_action_post_userspace()
3561 			   sizeof(mgmt->u.action.u.sa_query)))  in ieee80211_rx_h_action_post_userspace()
3564 		switch (mgmt->u.action.u.sa_query.action) {  in ieee80211_rx_h_action_post_userspace()
3566 			if (sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_action_post_userspace()
3577 	if (rx->sta)  in ieee80211_rx_h_action_post_userspace()
3578 		rx->sta->rx_stats.packets++;  in ieee80211_rx_h_action_post_userspace()
3579 	dev_kfree_skb(rx->skb);  in ieee80211_rx_h_action_post_userspace()
3586 	struct ieee80211_local *local = rx->local;  in ieee80211_rx_h_action_return()
3587 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;  in ieee80211_rx_h_action_return()
3589 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_action_return()
3590 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);  in ieee80211_rx_h_action_return()
3592 	if (!ieee80211_is_action(mgmt->frame_control))  in ieee80211_rx_h_action_return()
3600 	 * 802.11-2012 9.24.4.  in ieee80211_rx_h_action_return()
3605 	if (!(status->rx_flags & IEEE80211_RX_MALFORMED_ACTION_FRM) &&  in ieee80211_rx_h_action_return()
3606 	    (sdata->vif.type == NL80211_IFTYPE_AP ||  in ieee80211_rx_h_action_return()
3607 	     sdata->vif.type == NL80211_IFTYPE_AP_VLAN))  in ieee80211_rx_h_action_return()
3610 	if (is_multicast_ether_addr(mgmt->da))  in ieee80211_rx_h_action_return()
3614 	if (mgmt->u.action.category & 0x80)  in ieee80211_rx_h_action_return()
3617 	nskb = skb_copy_expand(rx->skb, local->hw.extra_tx_headroom, 0,  in ieee80211_rx_h_action_return()
3620 		struct ieee80211_mgmt *nmgmt = (void *)nskb->data;  in ieee80211_rx_h_action_return()
3622 		nmgmt->u.action.category |= 0x80;  in ieee80211_rx_h_action_return()
3623 		memcpy(nmgmt->da, nmgmt->sa, ETH_ALEN);  in ieee80211_rx_h_action_return()
3624 		memcpy(nmgmt->sa, rx->sdata->vif.addr, ETH_ALEN);  in ieee80211_rx_h_action_return()
3626 		memset(nskb->cb, 0, sizeof(nskb->cb));  in ieee80211_rx_h_action_return()
3628 		if (rx->sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) {  in ieee80211_rx_h_action_return()
3631 			info->flags = IEEE80211_TX_CTL_TX_OFFCHAN |  in ieee80211_rx_h_action_return()
3634 			if (ieee80211_hw_check(&local->hw, QUEUE_CONTROL))  in ieee80211_rx_h_action_return()
3635 				info->hw_queue =  in ieee80211_rx_h_action_return()
3636 					local->hw.offchannel_tx_hw_queue;  in ieee80211_rx_h_action_return()
3639 		__ieee80211_tx_skb_tid_band(rx->sdata, nskb, 7,  in ieee80211_rx_h_action_return()
3640 					    status->band);  in ieee80211_rx_h_action_return()
3642 	dev_kfree_skb(rx->skb);  in ieee80211_rx_h_action_return()
3649 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_ext()
3650 	struct ieee80211_hdr *hdr = (void *)rx->skb->data;  in ieee80211_rx_h_ext()
3652 	if (!ieee80211_is_ext(hdr->frame_control))  in ieee80211_rx_h_ext()
3655 	if (sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_ext()
3659 	skb_queue_tail(&sdata->skb_queue, rx->skb);  in ieee80211_rx_h_ext()
3660 	ieee80211_queue_work(&rx->local->hw, &sdata->work);  in ieee80211_rx_h_ext()
3661 	if (rx->sta)  in ieee80211_rx_h_ext()
3662 		rx->sta->rx_stats.packets++;  in ieee80211_rx_h_ext()
3670 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_rx_h_mgmt()
3671 	struct ieee80211_mgmt *mgmt = (void *)rx->skb->data;  in ieee80211_rx_h_mgmt()
3674 	stype = mgmt->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);  in ieee80211_rx_h_mgmt()
3676 	if (!ieee80211_vif_is_mesh(&sdata->vif) &&  in ieee80211_rx_h_mgmt()
3677 	    sdata->vif.type != NL80211_IFTYPE_ADHOC &&  in ieee80211_rx_h_mgmt()
3678 	    sdata->vif.type != NL80211_IFTYPE_OCB &&  in ieee80211_rx_h_mgmt()
3679 	    sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_mgmt()
3689 		if (is_multicast_ether_addr(mgmt->da) &&  in ieee80211_rx_h_mgmt()
3690 		    !is_broadcast_ether_addr(mgmt->da))  in ieee80211_rx_h_mgmt()
3694 		if (sdata->vif.type != NL80211_IFTYPE_STATION &&  in ieee80211_rx_h_mgmt()
3695 		    sdata->vif.type != NL80211_IFTYPE_ADHOC)  in ieee80211_rx_h_mgmt()
3701 		if (is_multicast_ether_addr(mgmt->da) &&  in ieee80211_rx_h_mgmt()
3702 		    !is_broadcast_ether_addr(mgmt->da))  in ieee80211_rx_h_mgmt()
3706 		if (sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_rx_h_mgmt()
3711 		if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&  in ieee80211_rx_h_mgmt()
3712 		    sdata->vif.type != NL80211_IFTYPE_MESH_POINT)  in ieee80211_rx_h_mgmt()
3720 	skb_queue_tail(&sdata->skb_queue, rx->skb);  in ieee80211_rx_h_mgmt()
3721 	ieee80211_queue_work(&rx->local->hw, &sdata->work);  in ieee80211_rx_h_mgmt()
3722 	if (rx->sta)  in ieee80211_rx_h_mgmt()
3723 		rx->sta->rx_stats.packets++;  in ieee80211_rx_h_mgmt()
3732 	struct ieee80211_local *local = rx->local;  in ieee80211_rx_cooked_monitor()
3733 	struct sk_buff *skb = rx->skb, *skb2;  in ieee80211_rx_cooked_monitor()
3742 	if (rx->flags & IEEE80211_RX_CMNTR)  in ieee80211_rx_cooked_monitor()
3744 	rx->flags |= IEEE80211_RX_CMNTR;  in ieee80211_rx_cooked_monitor()
3747 	if (!local->cooked_mntrs)  in ieee80211_rx_cooked_monitor()
3751 	status->flag &= ~RX_FLAG_RADIOTAP_VENDOR_DATA;  in ieee80211_rx_cooked_monitor()
3764 	skb->ip_summed = CHECKSUM_UNNECESSARY;  in ieee80211_rx_cooked_monitor()
3765 	skb->pkt_type = PACKET_OTHERHOST;  in ieee80211_rx_cooked_monitor()
3766 	skb->protocol = htons(ETH_P_802_2);  in ieee80211_rx_cooked_monitor()
3768 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {  in ieee80211_rx_cooked_monitor()
3772 		if (sdata->vif.type != NL80211_IFTYPE_MONITOR ||  in ieee80211_rx_cooked_monitor()
3773 		    !(sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES))  in ieee80211_rx_cooked_monitor()
3779 				skb2->dev = prev_dev;  in ieee80211_rx_cooked_monitor()
3784 		prev_dev = sdata->dev;  in ieee80211_rx_cooked_monitor()
3785 		ieee80211_rx_stats(sdata->dev, skb->len);  in ieee80211_rx_cooked_monitor()
3789 		skb->dev = prev_dev;  in ieee80211_rx_cooked_monitor()
3803 		I802_DEBUG_INC(rx->sdata->local->rx_handlers_drop);  in ieee80211_rx_handlers_result()
3804 		if (rx->sta)  in ieee80211_rx_handlers_result()
3805 			rx->sta->rx_stats.dropped++;  in ieee80211_rx_handlers_result()
3812 		status = IEEE80211_SKB_RXCB((rx->skb));  in ieee80211_rx_handlers_result()
3814 		sband = rx->local->hw.wiphy->bands[status->band];  in ieee80211_rx_handlers_result()
3815 		if (status->encoding == RX_ENC_LEGACY)  in ieee80211_rx_handlers_result()
3816 			rate = &sband->bitrates[status->rate_idx];  in ieee80211_rx_handlers_result()
3822 		I802_DEBUG_INC(rx->sdata->local->rx_handlers_drop);  in ieee80211_rx_handlers_result()
3823 		if (rx->sta)  in ieee80211_rx_handlers_result()
3824 			rx->sta->rx_stats.dropped++;  in ieee80211_rx_handlers_result()
3825 		dev_kfree_skb(rx->skb);  in ieee80211_rx_handlers_result()
3828 		I802_DEBUG_INC(rx->sdata->local->rx_handlers_queued);  in ieee80211_rx_handlers_result()
3852 	spin_lock_bh(&rx->local->rx_path_lock);  in ieee80211_rx_handlers()
3860 		rx->skb = skb;  in ieee80211_rx_handlers()
3870 		if (ieee80211_vif_is_mesh(&rx->sdata->vif))  in ieee80211_rx_handlers()
3876 		/* special treatment -- needs the queue */  in ieee80211_rx_handlers()
3895 	spin_unlock_bh(&rx->local->rx_path_lock);  in ieee80211_rx_handlers()
3935 		.sdata = sta->sdata,  in ieee80211_release_reorder_timeout()
3936 		.local = sta->local,  in ieee80211_release_reorder_timeout()
3937 		/* This is OK -- must be QoS data frame */  in ieee80211_release_reorder_timeout()
3943 	tid_agg_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[tid]);  in ieee80211_release_reorder_timeout()
3949 	spin_lock(&tid_agg_rx->reorder_lock);  in ieee80211_release_reorder_timeout()
3950 	ieee80211_sta_reorder_release(sta->sdata, tid_agg_rx, &frames);  in ieee80211_release_reorder_timeout()
3951 	spin_unlock(&tid_agg_rx->reorder_lock);  in ieee80211_release_reorder_timeout()
3957 			.u.ba.sta = &sta->sta,  in ieee80211_release_reorder_timeout()
3973 		/* This is OK -- must be QoS data frame */  in ieee80211_mark_rx_ba_filtered_frames()
3987 	rx.sdata = sta->sdata;  in ieee80211_mark_rx_ba_filtered_frames()
3988 	rx.local = sta->local;  in ieee80211_mark_rx_ba_filtered_frames()
3991 	tid_agg_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[tid]);  in ieee80211_mark_rx_ba_filtered_frames()
3995 	spin_lock_bh(&tid_agg_rx->reorder_lock);  in ieee80211_mark_rx_ba_filtered_frames()
4001 		release = (tid_agg_rx->head_seq_num + tid_agg_rx->buf_size) %  in ieee80211_mark_rx_ba_filtered_frames()
4003 		ieee80211_release_reorder_frames(sta->sdata, tid_agg_rx,  in ieee80211_mark_rx_ba_filtered_frames()
4006 		tid_agg_rx->head_seq_num = ssn;  in ieee80211_mark_rx_ba_filtered_frames()
4008 		ieee80211_release_reorder_frames(sta->sdata, tid_agg_rx, ssn,  in ieee80211_mark_rx_ba_filtered_frames()
4013 	 * it can be tid_agg_rx->buf_size behind and still be valid */  in ieee80211_mark_rx_ba_filtered_frames()
4014 	diff = (tid_agg_rx->head_seq_num - ssn) & IEEE80211_SN_MASK;  in ieee80211_mark_rx_ba_filtered_frames()
4015 	if (diff >= tid_agg_rx->buf_size) {  in ieee80211_mark_rx_ba_filtered_frames()
4016 		tid_agg_rx->reorder_buf_filtered = 0;  in ieee80211_mark_rx_ba_filtered_frames()
4023 	for (i = 0; i < tid_agg_rx->buf_size; i++) {  in ieee80211_mark_rx_ba_filtered_frames()
4024 		int index = (ssn + i) % tid_agg_rx->buf_size;  in ieee80211_mark_rx_ba_filtered_frames()
4026 		tid_agg_rx->reorder_buf_filtered &= ~BIT_ULL(index);  in ieee80211_mark_rx_ba_filtered_frames()
4028 			tid_agg_rx->reorder_buf_filtered |= BIT_ULL(index);  in ieee80211_mark_rx_ba_filtered_frames()
4032 	ieee80211_sta_reorder_release(sta->sdata, tid_agg_rx, &frames);  in ieee80211_mark_rx_ba_filtered_frames()
4035 	spin_unlock_bh(&tid_agg_rx->reorder_lock);  in ieee80211_mark_rx_ba_filtered_frames()
4048 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_accept_frame()
4049 	struct sk_buff *skb = rx->skb;  in ieee80211_accept_frame()
4050 	struct ieee80211_hdr *hdr = (void *)skb->data;  in ieee80211_accept_frame()
4052 	u8 *bssid = ieee80211_get_bssid(hdr, skb->len, sdata->vif.type);  in ieee80211_accept_frame()
4053 	bool multicast = is_multicast_ether_addr(hdr->addr1) ||  in ieee80211_accept_frame()
4054 			 ieee80211_is_s1g_beacon(hdr->frame_control);  in ieee80211_accept_frame()
4056 	switch (sdata->vif.type) {  in ieee80211_accept_frame()
4058 		if (!bssid && !sdata->u.mgd.use_4addr)  in ieee80211_accept_frame()
4060 		if (ieee80211_is_robust_mgmt_frame(skb) && !rx->sta)  in ieee80211_accept_frame()
4064 		return ether_addr_equal(sdata->vif.addr, hdr->addr1);  in ieee80211_accept_frame()
4068 		if (ether_addr_equal(sdata->vif.addr, hdr->addr2) ||  in ieee80211_accept_frame()
4069 		    ether_addr_equal(sdata->u.ibss.bssid, hdr->addr2) ||  in ieee80211_accept_frame()
4070 		    !is_valid_ether_addr(hdr->addr2))  in ieee80211_accept_frame()
4072 		if (ieee80211_is_beacon(hdr->frame_control))  in ieee80211_accept_frame()
4074 		if (!ieee80211_bssid_match(bssid, sdata->u.ibss.bssid))  in ieee80211_accept_frame()
4077 		    !ether_addr_equal(sdata->vif.addr, hdr->addr1))  in ieee80211_accept_frame()
4079 		if (!rx->sta) {  in ieee80211_accept_frame()
4081 			if (status->encoding != RX_ENC_LEGACY)  in ieee80211_accept_frame()
4084 				rate_idx = status->rate_idx;  in ieee80211_accept_frame()
4085 			ieee80211_ibss_rx_no_sta(sdata, bssid, hdr->addr2,  in ieee80211_accept_frame()
4092 		if (!ieee80211_is_data_present(hdr->frame_control))  in ieee80211_accept_frame()
4097 		    !ether_addr_equal(sdata->dev->dev_addr, hdr->addr1))  in ieee80211_accept_frame()
4099 		if (!rx->sta) {  in ieee80211_accept_frame()
4101 			if (status->encoding != RX_ENC_LEGACY)  in ieee80211_accept_frame()
4104 				rate_idx = status->rate_idx;  in ieee80211_accept_frame()
4105 			ieee80211_ocb_rx_no_sta(sdata, bssid, hdr->addr2,  in ieee80211_accept_frame()
4110 		if (ether_addr_equal(sdata->vif.addr, hdr->addr2))  in ieee80211_accept_frame()
4114 		return ether_addr_equal(sdata->vif.addr, hdr->addr1);  in ieee80211_accept_frame()
4118 			return ether_addr_equal(sdata->vif.addr, hdr->addr1);  in ieee80211_accept_frame()
4120 		if (!ieee80211_bssid_match(bssid, sdata->vif.addr)) {  in ieee80211_accept_frame()
4128 			    !ether_addr_equal(sdata->vif.addr, hdr->addr1))  in ieee80211_accept_frame()
4130 			if (ieee80211_is_public_action(hdr, skb->len))  in ieee80211_accept_frame()
4132 			return ieee80211_is_beacon(hdr->frame_control);  in ieee80211_accept_frame()
4135 		if (!ieee80211_has_tods(hdr->frame_control)) {  in ieee80211_accept_frame()
4136 			/* ignore data frames to TDLS-peers */  in ieee80211_accept_frame()
4137 			if (ieee80211_is_data(hdr->frame_control))  in ieee80211_accept_frame()
4139 			/* ignore action frames to TDLS-peers */  in ieee80211_accept_frame()
4140 			if (ieee80211_is_action(hdr->frame_control) &&  in ieee80211_accept_frame()
4142 			    !ether_addr_equal(bssid, hdr->addr1))  in ieee80211_accept_frame()
4147 		 * 802.11-2016 Table 9-26 says that for data frames, A1 must be  in ieee80211_accept_frame()
4148 		 * the BSSID - we've checked that already but may have accepted  in ieee80211_accept_frame()
4163 		if (ieee80211_is_data(hdr->frame_control) && multicast)  in ieee80211_accept_frame()
4168 		if (bssid || !ieee80211_is_data(hdr->frame_control))  in ieee80211_accept_frame()
4170 		return ether_addr_equal(sdata->u.wds.remote_addr, hdr->addr2);  in ieee80211_accept_frame()
4172 		return ieee80211_is_public_action(hdr, skb->len) ||  in ieee80211_accept_frame()
4173 		       ieee80211_is_probe_req(hdr->frame_control) ||  in ieee80211_accept_frame()
4174 		       ieee80211_is_probe_resp(hdr->frame_control) ||  in ieee80211_accept_frame()
4175 		       ieee80211_is_beacon(hdr->frame_control);  in ieee80211_accept_frame()
4189 	struct ieee80211_sub_if_data *sdata = sta->sdata;  in ieee80211_check_fast_rx()
4190 	struct ieee80211_local *local = sdata->local;  in ieee80211_check_fast_rx()
4193 		.dev = sdata->dev,  in ieee80211_check_fast_rx()
4194 		.vif_type = sdata->vif.type,  in ieee80211_check_fast_rx()
4195 		.control_port_protocol = sdata->control_port_protocol,  in ieee80211_check_fast_rx()
4205 	ether_addr_copy(fastrx.vif_addr, sdata->vif.addr);  in ieee80211_check_fast_rx()
4207 	fastrx.uses_rss = ieee80211_hw_check(&local->hw, USES_RSS);  in ieee80211_check_fast_rx()
4209 	/* fast-rx doesn't do reordering */  in ieee80211_check_fast_rx()
4210 	if (ieee80211_hw_check(&local->hw, AMPDU_AGGREGATION) &&  in ieee80211_check_fast_rx()
4211 	    !ieee80211_hw_check(&local->hw, SUPPORTS_REORDERING_BUFFER))  in ieee80211_check_fast_rx()
4214 	switch (sdata->vif.type) {  in ieee80211_check_fast_rx()
4216 		if (sta->sta.tdls) {  in ieee80211_check_fast_rx()
4227 		if (sdata->u.mgd.use_4addr && !sta->sta.tdls) {  in ieee80211_check_fast_rx()
4234 		if (!sdata->u.mgd.powersave)  in ieee80211_check_fast_rx()
4238 		if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK))  in ieee80211_check_fast_rx()
4240 		if (ieee80211_hw_check(&local->hw, SUPPORTS_PS) &&  in ieee80211_check_fast_rx()
4241 		    !ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))  in ieee80211_check_fast_rx()
4246 		/* parallel-rx requires this, at least with calls to  in ieee80211_check_fast_rx()
4249 		if (!ieee80211_hw_check(&local->hw, AP_LINK_PS))  in ieee80211_check_fast_rx()
4256 			!(sdata->flags & IEEE80211_SDATA_DONT_BRIDGE_PACKETS) &&  in ieee80211_check_fast_rx()
4257 			(sdata->vif.type != NL80211_IFTYPE_AP_VLAN ||  in ieee80211_check_fast_rx()
4258 			 !sdata->u.vlan.sta);  in ieee80211_check_fast_rx()
4260 		if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&  in ieee80211_check_fast_rx()
4261 		    sdata->u.vlan.sta) {  in ieee80211_check_fast_rx()
4277 	key = rcu_dereference(sta->ptk[sta->ptk_idx]);  in ieee80211_check_fast_rx()
4279 		key = rcu_dereference(sdata->default_unicast_key);  in ieee80211_check_fast_rx()
4281 		switch (key->conf.cipher) {  in ieee80211_check_fast_rx()
4283 			/* we don't want to deal with MMIC in fast-rx */  in ieee80211_check_fast_rx()
4298 		fastrx.icv_len = key->conf.icv_len;  in ieee80211_check_fast_rx()
4310 	spin_lock_bh(&sta->lock);  in ieee80211_check_fast_rx()
4311 	old = rcu_dereference_protected(sta->fast_rx, true);  in ieee80211_check_fast_rx()
4312 	rcu_assign_pointer(sta->fast_rx, new);  in ieee80211_check_fast_rx()
4313 	spin_unlock_bh(&sta->lock);  in ieee80211_check_fast_rx()
4323 	spin_lock_bh(&sta->lock);  in ieee80211_clear_fast_rx()
4324 	old = rcu_dereference_protected(sta->fast_rx, true);  in ieee80211_clear_fast_rx()
4325 	RCU_INIT_POINTER(sta->fast_rx, NULL);  in ieee80211_clear_fast_rx()
4326 	spin_unlock_bh(&sta->lock);  in ieee80211_clear_fast_rx()
4334 	struct ieee80211_local *local = sdata->local;  in __ieee80211_check_fast_rx_iface()
4337 	lockdep_assert_held(&local->sta_mtx);  in __ieee80211_check_fast_rx_iface()
4339 	list_for_each_entry(sta, &local->sta_list, list) {  in __ieee80211_check_fast_rx_iface()
4340 		if (sdata != sta->sdata &&  in __ieee80211_check_fast_rx_iface()
4341 		    (!sta->sdata->bss || sta->sdata->bss != sdata->bss))  in __ieee80211_check_fast_rx_iface()
4349 	struct ieee80211_local *local = sdata->local;  in ieee80211_check_fast_rx_iface()
4351 	mutex_lock(&local->sta_mtx);  in ieee80211_check_fast_rx_iface()
4353 	mutex_unlock(&local->sta_mtx);  in ieee80211_check_fast_rx_iface()
4359 	struct sk_buff *skb = rx->skb;  in ieee80211_invoke_fast_rx()
4360 	struct ieee80211_hdr *hdr = (void *)skb->data;  in ieee80211_invoke_fast_rx()
4362 	struct sta_info *sta = rx->sta;  in ieee80211_invoke_fast_rx()
4363 	int orig_len = skb->len;  in ieee80211_invoke_fast_rx()
4364 	int hdrlen = ieee80211_hdrlen(hdr->frame_control);  in ieee80211_invoke_fast_rx()
4374 	struct ieee80211_sta_rx_stats *stats = &sta->rx_stats;  in ieee80211_invoke_fast_rx()
4376 	if (fast_rx->uses_rss)  in ieee80211_invoke_fast_rx()
4377 		stats = this_cpu_ptr(sta->pcpu_rx_stats);  in ieee80211_invoke_fast_rx()
4379 	/* for parallel-rx, we need to have DUP_VALIDATED, otherwise we write  in ieee80211_invoke_fast_rx()
4383 	if (!(status->flag & RX_FLAG_DUP_VALIDATED))  in ieee80211_invoke_fast_rx()
4389 	 *  - PN_VALIDATED: similar, but the implementation is tricky  in ieee80211_invoke_fast_rx()
4390 	 *  - DECRYPTED: necessary for PN_VALIDATED  in ieee80211_invoke_fast_rx()
4392 	if (fast_rx->key &&  in ieee80211_invoke_fast_rx()
4393 	    (status->flag & FAST_RX_CRYPT_FLAGS) != FAST_RX_CRYPT_FLAGS)  in ieee80211_invoke_fast_rx()
4396 	if (unlikely(!ieee80211_is_data_present(hdr->frame_control)))  in ieee80211_invoke_fast_rx()
4411 	if (!ether_addr_equal(fast_rx->vif_addr, hdr->addr1))  in ieee80211_invoke_fast_rx()
4414 	if ((hdr->frame_control & cpu_to_le16(IEEE80211_FCTL_FROMDS |  in ieee80211_invoke_fast_rx()
4416 	    fast_rx->expected_ds_bits)  in ieee80211_invoke_fast_rx()
4422 	if (fast_rx->key && !(status->flag & RX_FLAG_IV_STRIPPED)) {  in ieee80211_invoke_fast_rx()
4427 	if (!(status->rx_flags & IEEE80211_RX_AMSDU)) {  in ieee80211_invoke_fast_rx()
4431 		payload = (void *)(skb->data + snap_offs);  in ieee80211_invoke_fast_rx()
4433 		if (!ether_addr_equal(payload->snap, fast_rx->rfc1042_hdr))  in ieee80211_invoke_fast_rx()
4438 		 * bridge-tunnel header - but if we get them this way then  in ieee80211_invoke_fast_rx()
4441 		if (unlikely(payload->proto == cpu_to_be16(ETH_P_TDLS) ||  in ieee80211_invoke_fast_rx()
4442 			     payload->proto == fast_rx->control_port_protocol))  in ieee80211_invoke_fast_rx()
4448 	if (rx->key && !(status->flag & RX_FLAG_MIC_STRIPPED) &&  in ieee80211_invoke_fast_rx()
4449 	    pskb_trim(skb, skb->len - fast_rx->icv_len))  in ieee80211_invoke_fast_rx()
4453 	if (!(status->flag & RX_FLAG_NO_SIGNAL_VAL)) {  in ieee80211_invoke_fast_rx()
4454 		stats->last_signal = status->signal;  in ieee80211_invoke_fast_rx()
4455 		if (!fast_rx->uses_rss)  in ieee80211_invoke_fast_rx()
4456 			ewma_signal_add(&sta->rx_stats_avg.signal,  in ieee80211_invoke_fast_rx()
4457 					-status->signal);  in ieee80211_invoke_fast_rx()
4460 	if (status->chains) {  in ieee80211_invoke_fast_rx()
4463 		stats->chains = status->chains;  in ieee80211_invoke_fast_rx()
4464 		for (i = 0; i < ARRAY_SIZE(status->chain_signal); i++) {  in ieee80211_invoke_fast_rx()
4465 			int signal = status->chain_signal[i];  in ieee80211_invoke_fast_rx()
4467 			if (!(status->chains & BIT(i)))  in ieee80211_invoke_fast_rx()
4470 			stats->chain_signal_last[i] = signal;  in ieee80211_invoke_fast_rx()
4471 			if (!fast_rx->uses_rss)  in ieee80211_invoke_fast_rx()
4472 				ewma_signal_add(&sta->rx_stats_avg.chain_signal[i],  in ieee80211_invoke_fast_rx()
4473 						-signal);  in ieee80211_invoke_fast_rx()
4478 	if (rx->key && !ieee80211_has_protected(hdr->frame_control))  in ieee80211_invoke_fast_rx()
4481 	if (status->rx_flags & IEEE80211_RX_AMSDU) {  in ieee80211_invoke_fast_rx()
4482 		if (__ieee80211_rx_h_amsdu(rx, snap_offs - hdrlen) !=  in ieee80211_invoke_fast_rx()
4489 	stats->last_rx = jiffies;  in ieee80211_invoke_fast_rx()
4490 	stats->last_rate = sta_stats_encode_rate(status);  in ieee80211_invoke_fast_rx()
4492 	stats->fragments++;  in ieee80211_invoke_fast_rx()
4493 	stats->packets++;  in ieee80211_invoke_fast_rx()
4495 	/* do the header conversion - first grab the addresses */  in ieee80211_invoke_fast_rx()
4496 	ether_addr_copy(addrs.da, skb->data + fast_rx->da_offs);  in ieee80211_invoke_fast_rx()
4497 	ether_addr_copy(addrs.sa, skb->data + fast_rx->sa_offs);  in ieee80211_invoke_fast_rx()
4503 	skb->dev = fast_rx->dev;  in ieee80211_invoke_fast_rx()
4505 	ieee80211_rx_stats(fast_rx->dev, skb->len);  in ieee80211_invoke_fast_rx()
4509 	 * for non-QoS-data frames. Here we know it's a data  in ieee80211_invoke_fast_rx()
4512 	u64_stats_update_begin(&stats->syncp);  in ieee80211_invoke_fast_rx()
4513 	stats->msdu[rx->seqno_idx]++;  in ieee80211_invoke_fast_rx()
4514 	stats->bytes += orig_len;  in ieee80211_invoke_fast_rx()
4515 	u64_stats_update_end(&stats->syncp);  in ieee80211_invoke_fast_rx()
4517 	if (fast_rx->internal_forward) {  in ieee80211_invoke_fast_rx()
4522 			   sta_info_get(rx->sdata, addrs.da)) {  in ieee80211_invoke_fast_rx()
4533 			xmit_skb->priority += 256;  in ieee80211_invoke_fast_rx()
4534 			xmit_skb->protocol = htons(ETH_P_802_3);  in ieee80211_invoke_fast_rx()
4545 	skb->protocol = eth_type_trans(skb, fast_rx->dev);  in ieee80211_invoke_fast_rx()
4546 	memset(skb->cb, 0, sizeof(skb->cb));  in ieee80211_invoke_fast_rx()
4547 	if (rx->list)  in ieee80211_invoke_fast_rx()
4548 		list_add_tail(&skb->list, rx->list);  in ieee80211_invoke_fast_rx()
4555 	stats->dropped++;  in ieee80211_invoke_fast_rx()
4568 	struct ieee80211_local *local = rx->local;  in ieee80211_prepare_and_rx_handle()
4569 	struct ieee80211_sub_if_data *sdata = rx->sdata;  in ieee80211_prepare_and_rx_handle()
4571 	rx->skb = skb;  in ieee80211_prepare_and_rx_handle()
4573 	/* See if we can do fast-rx; if we have to copy we already lost,  in ieee80211_prepare_and_rx_handle()
4580 	if (consume && rx->sta) {  in ieee80211_prepare_and_rx_handle()
4583 		fast_rx = rcu_dereference(rx->sta->fast_rx);  in ieee80211_prepare_and_rx_handle()
4595 				wiphy_debug(local->hw.wiphy,  in ieee80211_prepare_and_rx_handle()
4597 					sdata->name);  in ieee80211_prepare_and_rx_handle()
4601 		rx->skb = skb;  in ieee80211_prepare_and_rx_handle()
4626 	fc = ((struct ieee80211_hdr *)skb->data)->frame_control;  in __ieee80211_rx_handle_packet()
4633 		I802_DEBUG_INC(local->dot11ReceivedFragmentCount);  in __ieee80211_rx_handle_packet()
4637 		if (skb->len < ieee80211_hdrlen(fc))  in __ieee80211_rx_handle_packet()
4638 			err = -ENOBUFS;  in __ieee80211_rx_handle_packet()
4650 	hdr = (struct ieee80211_hdr *)skb->data;  in __ieee80211_rx_handle_packet()
4654 	if (unlikely(ieee80211_is_probe_resp(hdr->frame_control) ||  in __ieee80211_rx_handle_packet()
4655 		     ieee80211_is_beacon(hdr->frame_control) ||  in __ieee80211_rx_handle_packet()
4656 		     ieee80211_is_s1g_beacon(hdr->frame_control)))  in __ieee80211_rx_handle_packet()
4664 			rx.sdata = rx.sta->sdata;  in __ieee80211_rx_handle_packet()
4672 		for_each_sta_info(local, hdr->addr2, sta, tmp) {  in __ieee80211_rx_handle_packet()
4679 			rx.sdata = prev_sta->sdata;  in __ieee80211_rx_handle_packet()
4687 			rx.sdata = prev_sta->sdata;  in __ieee80211_rx_handle_packet()
4697 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {  in __ieee80211_rx_handle_packet()
4701 		if (sdata->vif.type == NL80211_IFTYPE_MONITOR ||  in __ieee80211_rx_handle_packet()
4702 		    sdata->vif.type == NL80211_IFTYPE_AP_VLAN)  in __ieee80211_rx_handle_packet()
4716 		rx.sta = sta_info_get_bss(prev, hdr->addr2);  in __ieee80211_rx_handle_packet()
4724 		rx.sta = sta_info_get_bss(prev, hdr->addr2);  in __ieee80211_rx_handle_packet()
4749 	if (WARN_ON(status->band >= NUM_NL80211_BANDS))  in ieee80211_rx_list()
4752 	sband = local->hw.wiphy->bands[status->band];  in ieee80211_rx_list()
4763 	if (unlikely(local->quiescing || local->suspended))  in ieee80211_rx_list()
4767 	if (unlikely(local->in_reconfig))  in ieee80211_rx_list()
4774 	if (WARN_ON(!local->started))  in ieee80211_rx_list()
4777 	if (likely(!(status->flag & RX_FLAG_FAILED_PLCP_CRC))) {  in ieee80211_rx_list()
4783 		switch (status->encoding) {  in ieee80211_rx_list()
4786 			 * rate_idx is MCS index, which can be [0-76]  in ieee80211_rx_list()
4795 			if (WARN(status->rate_idx > 76,  in ieee80211_rx_list()
4797 				 "status->rate_idx is not "  in ieee80211_rx_list()
4798 				 "an MCS index [0-76]: %d (0x%02x)\n",  in ieee80211_rx_list()
4799 				 status->rate_idx,  in ieee80211_rx_list()
4800 				 status->rate_idx))  in ieee80211_rx_list()
4804 			if (WARN_ONCE(status->rate_idx > 11 ||  in ieee80211_rx_list()
4805 				      !status->nss ||  in ieee80211_rx_list()
4806 				      status->nss > 8,  in ieee80211_rx_list()
4808 				      status->rate_idx, status->nss))  in ieee80211_rx_list()
4812 			if (WARN_ONCE(status->rate_idx > 11 ||  in ieee80211_rx_list()
4813 				      !status->nss ||  in ieee80211_rx_list()
4814 				      status->nss > 8,  in ieee80211_rx_list()
4816 				      status->rate_idx, status->nss))  in ieee80211_rx_list()
4823 			if (WARN_ON(status->rate_idx >= sband->n_bitrates))  in ieee80211_rx_list()
4825 			rate = &sband->bitrates[status->rate_idx];  in ieee80211_rx_list()
4829 	status->rx_flags = 0;  in ieee80211_rx_list()
4842 			((struct ieee80211_hdr *)skb->data)->frame_control,  in ieee80211_rx_list()
4843 			skb->len);  in ieee80211_rx_list()
4862 	 * and this requires that we are in a read-side RCU section during  in ieee80211_rx_napi()
4887 	BUILD_BUG_ON(sizeof(struct ieee80211_rx_status) > sizeof(skb->cb));  in ieee80211_rx_irqsafe()
4889 	skb->pkt_type = IEEE80211_RX_MSG;  in ieee80211_rx_irqsafe()
4890 	skb_queue_tail(&local->skb_queue, skb);  in ieee80211_rx_irqsafe()
4891 	tasklet_schedule(&local->tasklet);  in ieee80211_rx_irqsafe()