Lines Matching +full:cs +full:- +full:dev +full:- +full:assoc
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) 2018-2020 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()
1394 /* new, potentially un-ordered, ampdu frame - process it */ in ieee80211_rx_reorder_ampdu()
1397 if (tid_agg_rx->timeout) in ieee80211_rx_reorder_ampdu()
1398 tid_agg_rx->last_rx = jiffies; in ieee80211_rx_reorder_ampdu()
1400 /* if this mpdu is fragmented - terminate rx aggregation session */ in ieee80211_rx_reorder_ampdu()
1401 sc = le16_to_cpu(hdr->seq_ctrl); in ieee80211_rx_reorder_ampdu()
1403 skb_queue_tail(&rx->sdata->skb_queue, skb); in ieee80211_rx_reorder_ampdu()
1404 ieee80211_queue_work(&local->hw, &rx->sdata->work); in ieee80211_rx_reorder_ampdu()
1409 * No locking needed -- we will only ever process one in ieee80211_rx_reorder_ampdu()
1415 if (ieee80211_sta_manage_reorder_buf(rx->sdata, tid_agg_rx, skb, in ieee80211_rx_reorder_ampdu()
1426 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data; in ieee80211_rx_h_check_dup()
1427 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); in ieee80211_rx_h_check_dup()
1429 if (status->flag & RX_FLAG_DUP_VALIDATED) in ieee80211_rx_h_check_dup()
1434 * (IEEE 802.11-2012: 9.3.2.10 "Duplicate detection and recovery") in ieee80211_rx_h_check_dup()
1437 if (rx->skb->len < 24) in ieee80211_rx_h_check_dup()
1440 if (ieee80211_is_ctl(hdr->frame_control) || in ieee80211_rx_h_check_dup()
1441 ieee80211_is_any_nullfunc(hdr->frame_control) || in ieee80211_rx_h_check_dup()
1442 is_multicast_ether_addr(hdr->addr1)) in ieee80211_rx_h_check_dup()
1445 if (!rx->sta) in ieee80211_rx_h_check_dup()
1448 if (unlikely(ieee80211_has_retry(hdr->frame_control) && in ieee80211_rx_h_check_dup()
1449 rx->sta->last_seq_ctrl[rx->seqno_idx] == hdr->seq_ctrl)) { in ieee80211_rx_h_check_dup()
1450 I802_DEBUG_INC(rx->local->dot11FrameDuplicateCount); in ieee80211_rx_h_check_dup()
1451 rx->sta->rx_stats.num_duplicates++; in ieee80211_rx_h_check_dup()
1453 } else if (!(status->flag & RX_FLAG_AMSDU_MORE)) { in ieee80211_rx_h_check_dup()
1454 rx->sta->last_seq_ctrl[rx->seqno_idx] = hdr->seq_ctrl; in ieee80211_rx_h_check_dup()
1463 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data; in ieee80211_rx_h_check()
1465 /* Drop disallowed frame classes based on STA auth/assoc state; in ieee80211_rx_h_check()
1471 * responsible for filtering on both auth and assoc states. in ieee80211_rx_h_check()
1474 if (ieee80211_vif_is_mesh(&rx->sdata->vif)) in ieee80211_rx_h_check()
1477 if (unlikely((ieee80211_is_data(hdr->frame_control) || in ieee80211_rx_h_check()
1478 ieee80211_is_pspoll(hdr->frame_control)) && in ieee80211_rx_h_check()
1479 rx->sdata->vif.type != NL80211_IFTYPE_ADHOC && in ieee80211_rx_h_check()
1480 rx->sdata->vif.type != NL80211_IFTYPE_WDS && in ieee80211_rx_h_check()
1481 rx->sdata->vif.type != NL80211_IFTYPE_OCB && in ieee80211_rx_h_check()
1482 (!rx->sta || !test_sta_flag(rx->sta, WLAN_STA_ASSOC)))) { in ieee80211_rx_h_check()
1485 * yet marked ASSOC to prevent a race where we don't set the in ieee80211_rx_h_check()
1486 * assoc bit quickly enough before it sends the first frame in ieee80211_rx_h_check()
1488 if (rx->sta && rx->sdata->vif.type == NL80211_IFTYPE_STATION && in ieee80211_rx_h_check()
1489 ieee80211_is_data_present(hdr->frame_control)) { in ieee80211_rx_h_check()
1493 hdrlen = ieee80211_hdrlen(hdr->frame_control); in ieee80211_rx_h_check()
1495 if (rx->skb->len < hdrlen + 8) in ieee80211_rx_h_check()
1498 skb_copy_bits(rx->skb, hdrlen + 6, ðertype, 2); in ieee80211_rx_h_check()
1499 if (ethertype == rx->sdata->control_port_protocol) in ieee80211_rx_h_check()
1503 if (rx->sdata->vif.type == NL80211_IFTYPE_AP && in ieee80211_rx_h_check()
1504 cfg80211_rx_spurious_frame(rx->sdata->dev, in ieee80211_rx_h_check()
1505 hdr->addr2, in ieee80211_rx_h_check()
1523 local = rx->local; in ieee80211_rx_h_check_more_data()
1524 skb = rx->skb; in ieee80211_rx_h_check_more_data()
1525 hdr = (struct ieee80211_hdr *) skb->data; in ieee80211_rx_h_check_more_data()
1527 if (!local->pspolling) in ieee80211_rx_h_check_more_data()
1530 if (!ieee80211_has_fromds(hdr->frame_control)) in ieee80211_rx_h_check_more_data()
1534 if (!ieee80211_is_data(hdr->frame_control)) in ieee80211_rx_h_check_more_data()
1537 if (!ieee80211_has_moredata(hdr->frame_control)) { in ieee80211_rx_h_check_more_data()
1539 local->pspolling = false; in ieee80211_rx_h_check_more_data()
1544 ieee80211_send_pspoll(local, rx->sdata); in ieee80211_rx_h_check_more_data()
1551 struct ieee80211_sub_if_data *sdata = sta->sdata; in sta_ps_start()
1552 struct ieee80211_local *local = sdata->local; in sta_ps_start()
1556 if (sta->sdata->vif.type == NL80211_IFTYPE_AP || in sta_ps_start()
1557 sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN) in sta_ps_start()
1558 ps = &sdata->bss->ps; in sta_ps_start()
1562 atomic_inc(&ps->num_sta_ps); in sta_ps_start()
1564 if (!ieee80211_hw_check(&local->hw, AP_LINK_PS)) in sta_ps_start()
1565 drv_sta_notify(local, sdata, STA_NOTIFY_SLEEP, &sta->sta); in sta_ps_start()
1567 sta->sta.addr, sta->sta.aid); in sta_ps_start()
1571 if (!sta->sta.txq[0]) in sta_ps_start()
1575 struct ieee80211_txq *txq = sta->sta.txq[tid]; in sta_ps_start()
1578 spin_lock(&local->active_txq_lock[txq->ac]); in sta_ps_start()
1579 if (!list_empty(&txqi->schedule_order)) in sta_ps_start()
1580 list_del_init(&txqi->schedule_order); in sta_ps_start()
1581 spin_unlock(&local->active_txq_lock[txq->ac]); in sta_ps_start()
1584 set_bit(tid, &sta->txq_buffered_tids); in sta_ps_start()
1586 clear_bit(tid, &sta->txq_buffered_tids); in sta_ps_start()
1592 ps_dbg(sta->sdata, "STA %pM aid %d exits power save mode\n", in sta_ps_end()
1593 sta->sta.addr, sta->sta.aid); in sta_ps_end()
1603 ps_dbg(sta->sdata, "STA %pM aid %d driver-ps-blocked\n", in sta_ps_end()
1604 sta->sta.addr, sta->sta.aid); in sta_ps_end()
1618 WARN_ON(!ieee80211_hw_check(&sta->local->hw, AP_LINK_PS)); in ieee80211_sta_ps_transition()
1623 return -EINVAL; in ieee80211_sta_ps_transition()
1654 * If this AC is not trigger-enabled do nothing unless the in ieee80211_sta_uapsd_trigger()
1657 * NB: This could/should check a separate bitmap of trigger- in ieee80211_sta_uapsd_trigger()
1661 if (!(sta->sta.uapsd_queues & ieee80211_ac_to_qos_mask[ac]) && in ieee80211_sta_uapsd_trigger()
1679 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_rx_h_uapsd_and_pspoll()
1680 struct ieee80211_hdr *hdr = (void *)rx->skb->data; in ieee80211_rx_h_uapsd_and_pspoll()
1681 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); in ieee80211_rx_h_uapsd_and_pspoll()
1683 if (!rx->sta) in ieee80211_rx_h_uapsd_and_pspoll()
1686 if (sdata->vif.type != NL80211_IFTYPE_AP && in ieee80211_rx_h_uapsd_and_pspoll()
1687 sdata->vif.type != NL80211_IFTYPE_AP_VLAN) in ieee80211_rx_h_uapsd_and_pspoll()
1692 * uAPSD and PS-Poll frames (the latter shouldn't even come up from in ieee80211_rx_h_uapsd_and_pspoll()
1695 if (ieee80211_hw_check(&sdata->local->hw, AP_LINK_PS)) in ieee80211_rx_h_uapsd_and_pspoll()
1701 * in the PS-Poll case the station must be confused ... in ieee80211_rx_h_uapsd_and_pspoll()
1703 if (!test_sta_flag(rx->sta, WLAN_STA_PS_STA)) in ieee80211_rx_h_uapsd_and_pspoll()
1706 if (unlikely(ieee80211_is_pspoll(hdr->frame_control))) { in ieee80211_rx_h_uapsd_and_pspoll()
1707 ieee80211_sta_pspoll(&rx->sta->sta); in ieee80211_rx_h_uapsd_and_pspoll()
1711 dev_kfree_skb(rx->skb); in ieee80211_rx_h_uapsd_and_pspoll()
1714 } else if (!ieee80211_has_morefrags(hdr->frame_control) && in ieee80211_rx_h_uapsd_and_pspoll()
1715 !(status->rx_flags & IEEE80211_RX_DEFERRED_RELEASE) && in ieee80211_rx_h_uapsd_and_pspoll()
1716 ieee80211_has_pm(hdr->frame_control) && in ieee80211_rx_h_uapsd_and_pspoll()
1717 (ieee80211_is_data_qos(hdr->frame_control) || in ieee80211_rx_h_uapsd_and_pspoll()
1718 ieee80211_is_qos_nullfunc(hdr->frame_control))) { in ieee80211_rx_h_uapsd_and_pspoll()
1721 ieee80211_sta_uapsd_trigger(&rx->sta->sta, tid); in ieee80211_rx_h_uapsd_and_pspoll()
1730 struct sta_info *sta = rx->sta; in ieee80211_rx_h_sta_process()
1731 struct sk_buff *skb = rx->skb; in ieee80211_rx_h_sta_process()
1733 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; in ieee80211_rx_h_sta_process()
1747 if (rx->sdata->vif.type == NL80211_IFTYPE_ADHOC) { in ieee80211_rx_h_sta_process()
1748 u8 *bssid = ieee80211_get_bssid(hdr, rx->skb->len, in ieee80211_rx_h_sta_process()
1750 if (ether_addr_equal(bssid, rx->sdata->u.ibss.bssid) && in ieee80211_rx_h_sta_process()
1752 sta->rx_stats.last_rx = jiffies; in ieee80211_rx_h_sta_process()
1753 if (ieee80211_is_data(hdr->frame_control) && in ieee80211_rx_h_sta_process()
1754 !is_multicast_ether_addr(hdr->addr1)) in ieee80211_rx_h_sta_process()
1755 sta->rx_stats.last_rate = in ieee80211_rx_h_sta_process()
1758 } else if (rx->sdata->vif.type == NL80211_IFTYPE_OCB) { in ieee80211_rx_h_sta_process()
1759 sta->rx_stats.last_rx = jiffies; in ieee80211_rx_h_sta_process()
1760 } else if (!ieee80211_is_s1g_beacon(hdr->frame_control) && in ieee80211_rx_h_sta_process()
1761 is_multicast_ether_addr(hdr->addr1)) { in ieee80211_rx_h_sta_process()
1766 sta->rx_stats.last_rx = jiffies; in ieee80211_rx_h_sta_process()
1767 if (ieee80211_is_data(hdr->frame_control)) in ieee80211_rx_h_sta_process()
1768 sta->rx_stats.last_rate = sta_stats_encode_rate(status); in ieee80211_rx_h_sta_process()
1771 sta->rx_stats.fragments++; in ieee80211_rx_h_sta_process()
1773 u64_stats_update_begin(&rx->sta->rx_stats.syncp); in ieee80211_rx_h_sta_process()
1774 sta->rx_stats.bytes += rx->skb->len; in ieee80211_rx_h_sta_process()
1775 u64_stats_update_end(&rx->sta->rx_stats.syncp); in ieee80211_rx_h_sta_process()
1777 if (!(status->flag & RX_FLAG_NO_SIGNAL_VAL)) { in ieee80211_rx_h_sta_process()
1778 sta->rx_stats.last_signal = status->signal; in ieee80211_rx_h_sta_process()
1779 ewma_signal_add(&sta->rx_stats_avg.signal, -status->signal); in ieee80211_rx_h_sta_process()
1782 if (status->chains) { in ieee80211_rx_h_sta_process()
1783 sta->rx_stats.chains = status->chains; in ieee80211_rx_h_sta_process()
1784 for (i = 0; i < ARRAY_SIZE(status->chain_signal); i++) { in ieee80211_rx_h_sta_process()
1785 int signal = status->chain_signal[i]; in ieee80211_rx_h_sta_process()
1787 if (!(status->chains & BIT(i))) in ieee80211_rx_h_sta_process()
1790 sta->rx_stats.chain_signal_last[i] = signal; in ieee80211_rx_h_sta_process()
1791 ewma_signal_add(&sta->rx_stats_avg.chain_signal[i], in ieee80211_rx_h_sta_process()
1792 -signal); in ieee80211_rx_h_sta_process()
1796 if (ieee80211_is_s1g_beacon(hdr->frame_control)) in ieee80211_rx_h_sta_process()
1802 * frame as specified in IEEE 802.11-2016 11.2.3.2 in ieee80211_rx_h_sta_process()
1804 if (!ieee80211_hw_check(&sta->local->hw, AP_LINK_PS) && in ieee80211_rx_h_sta_process()
1805 !ieee80211_has_morefrags(hdr->frame_control) && in ieee80211_rx_h_sta_process()
1806 !is_multicast_ether_addr(hdr->addr1) && in ieee80211_rx_h_sta_process()
1807 (ieee80211_is_mgmt(hdr->frame_control) || in ieee80211_rx_h_sta_process()
1808 ieee80211_is_data(hdr->frame_control)) && in ieee80211_rx_h_sta_process()
1809 !(status->rx_flags & IEEE80211_RX_DEFERRED_RELEASE) && in ieee80211_rx_h_sta_process()
1810 (rx->sdata->vif.type == NL80211_IFTYPE_AP || in ieee80211_rx_h_sta_process()
1811 rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN)) { in ieee80211_rx_h_sta_process()
1813 if (!ieee80211_has_pm(hdr->frame_control)) in ieee80211_rx_h_sta_process()
1816 if (ieee80211_has_pm(hdr->frame_control)) in ieee80211_rx_h_sta_process()
1822 if (ieee80211_vif_is_mesh(&rx->sdata->vif)) in ieee80211_rx_h_sta_process()
1826 * Drop (qos-)data::nullfunc frames silently, since they in ieee80211_rx_h_sta_process()
1829 if (ieee80211_is_any_nullfunc(hdr->frame_control)) { in ieee80211_rx_h_sta_process()
1830 I802_DEBUG_INC(rx->local->rx_handlers_drop_nullfunc); in ieee80211_rx_h_sta_process()
1833 * If we receive a 4-addr nullfunc frame from a STA in ieee80211_rx_h_sta_process()
1834 * that was not moved to a 4-addr STA vlan yet send in ieee80211_rx_h_sta_process()
1838 if (ieee80211_has_a4(hdr->frame_control) && in ieee80211_rx_h_sta_process()
1839 (rx->sdata->vif.type == NL80211_IFTYPE_AP || in ieee80211_rx_h_sta_process()
1840 (rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && in ieee80211_rx_h_sta_process()
1841 !rx->sdata->u.vlan.sta))) { in ieee80211_rx_h_sta_process()
1844 rx->sdata->dev, sta->sta.addr, in ieee80211_rx_h_sta_process()
1852 sta->rx_stats.packets++; in ieee80211_rx_h_sta_process()
1853 dev_kfree_skb(rx->skb); in ieee80211_rx_h_sta_process()
1864 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_rx_get_bigtk()
1880 idx2 = idx - 1; in ieee80211_rx_get_bigtk()
1883 if (rx->sta) in ieee80211_rx_get_bigtk()
1884 key = rcu_dereference(rx->sta->gtk[idx]); in ieee80211_rx_get_bigtk()
1886 key = rcu_dereference(sdata->keys[idx]); in ieee80211_rx_get_bigtk()
1887 if (!key && rx->sta) in ieee80211_rx_get_bigtk()
1888 key = rcu_dereference(rx->sta->gtk[idx2]); in ieee80211_rx_get_bigtk()
1890 key = rcu_dereference(sdata->keys[idx2]); in ieee80211_rx_get_bigtk()
1898 struct sk_buff *skb = rx->skb; in ieee80211_rx_h_decrypt()
1900 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; in ieee80211_rx_h_decrypt()
1905 int mmie_keyidx = -1; in ieee80211_rx_h_decrypt()
1907 const struct ieee80211_cipher_scheme *cs = NULL; in ieee80211_rx_h_decrypt() local
1909 if (ieee80211_is_ext(hdr->frame_control)) in ieee80211_rx_h_decrypt()
1916 * - GTK (group keys) in ieee80211_rx_h_decrypt()
1917 * - IGTK (group keys for management frames) in ieee80211_rx_h_decrypt()
1918 * - BIGTK (group keys for Beacon frames) in ieee80211_rx_h_decrypt()
1919 * - PTK (pairwise keys) in ieee80211_rx_h_decrypt()
1920 * - STK (station-to-station pairwise keys) in ieee80211_rx_h_decrypt()
1925 * BIGTKs. Unless, of course, actual WEP keys ("pre-RSNA") are used, in ieee80211_rx_h_decrypt()
1941 rx->key = NULL; in ieee80211_rx_h_decrypt()
1942 fc = hdr->frame_control; in ieee80211_rx_h_decrypt()
1944 if (rx->sta) { in ieee80211_rx_h_decrypt()
1945 int keyid = rx->sta->ptk_idx; in ieee80211_rx_h_decrypt()
1946 sta_ptk = rcu_dereference(rx->sta->ptk[keyid]); 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 cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev, in ieee80211_rx_h_decrypt()
1980 skb->data, in ieee80211_rx_h_decrypt()
1981 skb->len); in ieee80211_rx_h_decrypt()
1985 rx->key = ieee80211_rx_get_bigtk(rx, mmie_keyidx); in ieee80211_rx_h_decrypt()
1986 if (!rx->key) in ieee80211_rx_h_decrypt()
1990 if ((status->flag & RX_FLAG_DECRYPTED) && in ieee80211_rx_h_decrypt()
1991 (status->flag & RX_FLAG_IV_STRIPPED)) in ieee80211_rx_h_decrypt()
1997 if (rx->sta) { in ieee80211_rx_h_decrypt()
1999 test_sta_flag(rx->sta, WLAN_STA_MFP)) in ieee80211_rx_h_decrypt()
2002 rx->key = rcu_dereference(rx->sta->gtk[mmie_keyidx]); in ieee80211_rx_h_decrypt()
2004 if (!rx->key) in ieee80211_rx_h_decrypt()
2005 rx->key = rcu_dereference(rx->sdata->keys[mmie_keyidx]); in ieee80211_rx_h_decrypt()
2009 * need to set rx->key if there is a key that could have been in ieee80211_rx_h_decrypt()
2014 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_rx_h_decrypt()
2018 key = ieee80211_rx_get_bigtk(rx, -1); in ieee80211_rx_h_decrypt()
2020 is_multicast_ether_addr(hdr->addr1)) { in ieee80211_rx_h_decrypt()
2021 key = rcu_dereference(rx->sdata->default_mgmt_key); in ieee80211_rx_h_decrypt()
2023 if (rx->sta) { in ieee80211_rx_h_decrypt()
2025 key = rcu_dereference(rx->sta->gtk[i]); in ieee80211_rx_h_decrypt()
2032 key = rcu_dereference(sdata->keys[i]); in ieee80211_rx_h_decrypt()
2039 rx->key = key; in ieee80211_rx_h_decrypt()
2051 if ((status->flag & RX_FLAG_DECRYPTED) && in ieee80211_rx_h_decrypt()
2052 (status->flag & RX_FLAG_IV_STRIPPED)) in ieee80211_rx_h_decrypt()
2055 keyidx = ieee80211_get_keyid(rx->skb, cs); in ieee80211_rx_h_decrypt()
2060 /* check per-station GTK first, if multicast packet */ in ieee80211_rx_h_decrypt()
2061 if (is_multicast_ether_addr(hdr->addr1) && rx->sta) in ieee80211_rx_h_decrypt()
2062 rx->key = rcu_dereference(rx->sta->gtk[keyidx]); in ieee80211_rx_h_decrypt()
2065 if (!rx->key) { in ieee80211_rx_h_decrypt()
2066 rx->key = rcu_dereference(rx->sdata->keys[keyidx]); in ieee80211_rx_h_decrypt()
2069 * RSNA-protected unicast frames should always be in ieee80211_rx_h_decrypt()
2070 * sent with pairwise or station-to-station keys, in ieee80211_rx_h_decrypt()
2073 if (rx->key && in ieee80211_rx_h_decrypt()
2074 rx->key->conf.cipher != WLAN_CIPHER_SUITE_WEP40 && in ieee80211_rx_h_decrypt()
2075 rx->key->conf.cipher != WLAN_CIPHER_SUITE_WEP104 && in ieee80211_rx_h_decrypt()
2076 !is_multicast_ether_addr(hdr->addr1)) in ieee80211_rx_h_decrypt()
2077 rx->key = NULL; in ieee80211_rx_h_decrypt()
2081 if (rx->key) { in ieee80211_rx_h_decrypt()
2082 if (unlikely(rx->key->flags & KEY_FLAG_TAINTED)) in ieee80211_rx_h_decrypt()
2090 switch (rx->key->conf.cipher) { in ieee80211_rx_h_decrypt()
2127 status->flag |= RX_FLAG_DECRYPTED; in ieee80211_rx_h_decrypt()
2130 cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev, in ieee80211_rx_h_decrypt()
2131 skb->data, skb->len); in ieee80211_rx_h_decrypt()
2143 entry = &sdata->fragments[sdata->fragment_next++]; in ieee80211_reassemble_add()
2144 if (sdata->fragment_next >= IEEE80211_FRAGMENT_MAX) in ieee80211_reassemble_add()
2145 sdata->fragment_next = 0; in ieee80211_reassemble_add()
2147 if (!skb_queue_empty(&entry->skb_list)) in ieee80211_reassemble_add()
2148 __skb_queue_purge(&entry->skb_list); in ieee80211_reassemble_add()
2150 __skb_queue_tail(&entry->skb_list, *skb); /* no need for locking */ in ieee80211_reassemble_add()
2152 entry->first_frag_time = jiffies; in ieee80211_reassemble_add()
2153 entry->seq = seq; in ieee80211_reassemble_add()
2154 entry->rx_queue = rx_queue; in ieee80211_reassemble_add()
2155 entry->last_frag = frag; in ieee80211_reassemble_add()
2156 entry->check_sequential_pn = false; in ieee80211_reassemble_add()
2157 entry->extra_len = 0; in ieee80211_reassemble_add()
2170 idx = sdata->fragment_next; in ieee80211_reassemble_find()
2175 idx--; in ieee80211_reassemble_find()
2177 idx = IEEE80211_FRAGMENT_MAX - 1; in ieee80211_reassemble_find()
2179 entry = &sdata->fragments[idx]; in ieee80211_reassemble_find()
2180 if (skb_queue_empty(&entry->skb_list) || entry->seq != seq || in ieee80211_reassemble_find()
2181 entry->rx_queue != rx_queue || in ieee80211_reassemble_find()
2182 entry->last_frag + 1 != frag) in ieee80211_reassemble_find()
2185 f_skb = __skb_peek(&entry->skb_list); in ieee80211_reassemble_find()
2186 f_hdr = (struct ieee80211_hdr *) f_skb->data; in ieee80211_reassemble_find()
2191 if (((hdr->frame_control ^ f_hdr->frame_control) & in ieee80211_reassemble_find()
2193 !ether_addr_equal(hdr->addr1, f_hdr->addr1) || in ieee80211_reassemble_find()
2194 !ether_addr_equal(hdr->addr2, f_hdr->addr2)) in ieee80211_reassemble_find()
2197 if (time_after(jiffies, entry->first_frag_time + 2 * HZ)) { in ieee80211_reassemble_find()
2198 __skb_queue_purge(&entry->skb_list); in ieee80211_reassemble_find()
2217 hdr = (struct ieee80211_hdr *)rx->skb->data; in ieee80211_rx_h_defragment()
2218 fc = hdr->frame_control; in ieee80211_rx_h_defragment()
2223 sc = le16_to_cpu(hdr->seq_ctrl); in ieee80211_rx_h_defragment()
2226 if (is_multicast_ether_addr(hdr->addr1)) { in ieee80211_rx_h_defragment()
2227 I802_DEBUG_INC(rx->local->dot11MulticastReceivedFrameCount); in ieee80211_rx_h_defragment()
2234 I802_DEBUG_INC(rx->local->rx_handlers_fragments); in ieee80211_rx_h_defragment()
2236 if (skb_linearize(rx->skb)) in ieee80211_rx_h_defragment()
2240 * skb_linearize() might change the skb->data and in ieee80211_rx_h_defragment()
2244 hdr = (struct ieee80211_hdr *)rx->skb->data; in ieee80211_rx_h_defragment()
2249 entry = ieee80211_reassemble_add(rx->sdata, frag, seq, in ieee80211_rx_h_defragment()
2250 rx->seqno_idx, &(rx->skb)); in ieee80211_rx_h_defragment()
2251 if (rx->key && in ieee80211_rx_h_defragment()
2252 (rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP || in ieee80211_rx_h_defragment()
2253 rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP_256 || in ieee80211_rx_h_defragment()
2254 rx->key->conf.cipher == WLAN_CIPHER_SUITE_GCMP || in ieee80211_rx_h_defragment()
2255 rx->key->conf.cipher == WLAN_CIPHER_SUITE_GCMP_256) && in ieee80211_rx_h_defragment()
2257 int queue = rx->security_idx; in ieee80211_rx_h_defragment()
2262 entry->check_sequential_pn = true; in ieee80211_rx_h_defragment()
2263 memcpy(entry->last_pn, in ieee80211_rx_h_defragment()
2264 rx->key->u.ccmp.rx_pn[queue], in ieee80211_rx_h_defragment()
2270 BUILD_BUG_ON(sizeof(rx->key->u.ccmp.rx_pn[queue]) != in ieee80211_rx_h_defragment()
2271 sizeof(rx->key->u.gcmp.rx_pn[queue])); in ieee80211_rx_h_defragment()
2281 entry = ieee80211_reassemble_find(rx->sdata, frag, seq, in ieee80211_rx_h_defragment()
2282 rx->seqno_idx, hdr); in ieee80211_rx_h_defragment()
2284 I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag); in ieee80211_rx_h_defragment()
2290 * see IEEE P802.11-REVmc/D5.0, 12.5.3.4.4, item d (for CCMP) in ieee80211_rx_h_defragment()
2291 * and IEEE P802.11-REVmc/D5.0, 12.5.5.4.4, item d (for GCMP) in ieee80211_rx_h_defragment()
2293 if (entry->check_sequential_pn) { in ieee80211_rx_h_defragment()
2298 if (!rx->key || in ieee80211_rx_h_defragment()
2299 (rx->key->conf.cipher != WLAN_CIPHER_SUITE_CCMP && in ieee80211_rx_h_defragment()
2300 rx->key->conf.cipher != WLAN_CIPHER_SUITE_CCMP_256 && in ieee80211_rx_h_defragment()
2301 rx->key->conf.cipher != WLAN_CIPHER_SUITE_GCMP && in ieee80211_rx_h_defragment()
2302 rx->key->conf.cipher != WLAN_CIPHER_SUITE_GCMP_256)) in ieee80211_rx_h_defragment()
2304 memcpy(pn, entry->last_pn, IEEE80211_CCMP_PN_LEN); in ieee80211_rx_h_defragment()
2305 for (i = IEEE80211_CCMP_PN_LEN - 1; i >= 0; i--) { in ieee80211_rx_h_defragment()
2310 queue = rx->security_idx; in ieee80211_rx_h_defragment()
2311 rpn = rx->key->u.ccmp.rx_pn[queue]; in ieee80211_rx_h_defragment()
2314 memcpy(entry->last_pn, pn, IEEE80211_CCMP_PN_LEN); in ieee80211_rx_h_defragment()
2317 skb_pull(rx->skb, ieee80211_hdrlen(fc)); in ieee80211_rx_h_defragment()
2318 __skb_queue_tail(&entry->skb_list, rx->skb); in ieee80211_rx_h_defragment()
2319 entry->last_frag = frag; in ieee80211_rx_h_defragment()
2320 entry->extra_len += rx->skb->len; in ieee80211_rx_h_defragment()
2322 rx->skb = NULL; in ieee80211_rx_h_defragment()
2326 rx->skb = __skb_dequeue(&entry->skb_list); in ieee80211_rx_h_defragment()
2327 if (skb_tailroom(rx->skb) < entry->extra_len) { in ieee80211_rx_h_defragment()
2328 I802_DEBUG_INC(rx->local->rx_expand_skb_head_defrag); in ieee80211_rx_h_defragment()
2329 if (unlikely(pskb_expand_head(rx->skb, 0, entry->extra_len, in ieee80211_rx_h_defragment()
2331 I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag); in ieee80211_rx_h_defragment()
2332 __skb_queue_purge(&entry->skb_list); in ieee80211_rx_h_defragment()
2336 while ((skb = __skb_dequeue(&entry->skb_list))) { in ieee80211_rx_h_defragment()
2337 skb_put_data(rx->skb, skb->data, skb->len); in ieee80211_rx_h_defragment()
2342 ieee80211_led_rx(rx->local); in ieee80211_rx_h_defragment()
2344 if (rx->sta) in ieee80211_rx_h_defragment()
2345 rx->sta->rx_stats.packets++; in ieee80211_rx_h_defragment()
2351 if (unlikely(!rx->sta || !test_sta_flag(rx->sta, WLAN_STA_AUTHORIZED))) in ieee80211_802_1x_port_control()
2352 return -EACCES; in ieee80211_802_1x_port_control()
2359 struct ieee80211_hdr *hdr = (void *)rx->skb->data; in ieee80211_drop_unencrypted()
2360 struct sk_buff *skb = rx->skb; in ieee80211_drop_unencrypted()
2367 if (status->flag & RX_FLAG_DECRYPTED) in ieee80211_drop_unencrypted()
2371 if (unlikely(rx->sta && ieee80211_vif_is_mesh(&rx->sdata->vif) && in ieee80211_drop_unencrypted()
2378 if (!ether_addr_equal(hdr->addr1, rx->sdata->vif.addr)) in ieee80211_drop_unencrypted()
2382 if (!pskb_may_pull(rx->skb, hdr_len + 6)) in ieee80211_drop_unencrypted()
2385 mesh_hdr = (struct ieee80211s_hdr *)(skb->data + hdr_len); in ieee80211_drop_unencrypted()
2389 if (skb_copy_bits(rx->skb, ethertype_offset, ðertype, 2) == 0 && in ieee80211_drop_unencrypted()
2390 ethertype == rx->sdata->control_port_protocol) in ieee80211_drop_unencrypted()
2398 ieee80211_is_data(fc) && rx->key)) in ieee80211_drop_unencrypted()
2399 return -EACCES; in ieee80211_drop_unencrypted()
2406 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data; in ieee80211_drop_unencrypted_mgmt()
2407 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); in ieee80211_drop_unencrypted_mgmt()
2408 __le16 fc = hdr->frame_control; in ieee80211_drop_unencrypted_mgmt()
2414 if (status->flag & RX_FLAG_DECRYPTED) in ieee80211_drop_unencrypted_mgmt()
2417 if (rx->sta && test_sta_flag(rx->sta, WLAN_STA_MFP)) { in ieee80211_drop_unencrypted_mgmt()
2419 ieee80211_is_unicast_robust_mgmt_frame(rx->skb) && in ieee80211_drop_unencrypted_mgmt()
2420 rx->key)) { in ieee80211_drop_unencrypted_mgmt()
2423 cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev, in ieee80211_drop_unencrypted_mgmt()
2424 rx->skb->data, in ieee80211_drop_unencrypted_mgmt()
2425 rx->skb->len); in ieee80211_drop_unencrypted_mgmt()
2426 return -EACCES; in ieee80211_drop_unencrypted_mgmt()
2429 if (unlikely(ieee80211_is_multicast_robust_mgmt_frame(rx->skb) && in ieee80211_drop_unencrypted_mgmt()
2430 ieee80211_get_mmie_keyidx(rx->skb) < 0)) { in ieee80211_drop_unencrypted_mgmt()
2433 cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev, in ieee80211_drop_unencrypted_mgmt()
2434 rx->skb->data, in ieee80211_drop_unencrypted_mgmt()
2435 rx->skb->len); in ieee80211_drop_unencrypted_mgmt()
2436 return -EACCES; in ieee80211_drop_unencrypted_mgmt()
2438 if (unlikely(ieee80211_is_beacon(fc) && rx->key && in ieee80211_drop_unencrypted_mgmt()
2439 ieee80211_get_mmie_keyidx(rx->skb) < 0)) { in ieee80211_drop_unencrypted_mgmt()
2440 cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev, in ieee80211_drop_unencrypted_mgmt()
2441 rx->skb->data, in ieee80211_drop_unencrypted_mgmt()
2442 rx->skb->len); in ieee80211_drop_unencrypted_mgmt()
2443 return -EACCES; in ieee80211_drop_unencrypted_mgmt()
2449 if (unlikely(ieee80211_is_action(fc) && !rx->key && in ieee80211_drop_unencrypted_mgmt()
2450 ieee80211_is_robust_mgmt_frame(rx->skb))) in ieee80211_drop_unencrypted_mgmt()
2451 return -EACCES; in ieee80211_drop_unencrypted_mgmt()
2460 struct ieee80211_sub_if_data *sdata = rx->sdata; in __ieee80211_data_to_8023()
2461 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data; in __ieee80211_data_to_8023()
2467 if (ieee80211_has_a4(hdr->frame_control) && in __ieee80211_data_to_8023()
2468 sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta) in __ieee80211_data_to_8023()
2469 return -1; in __ieee80211_data_to_8023()
2471 if (sdata->vif.type == NL80211_IFTYPE_STATION && in __ieee80211_data_to_8023()
2472 !!sdata->u.mgd.use_4addr != !!ieee80211_has_a4(hdr->frame_control)) { in __ieee80211_data_to_8023()
2474 if (!sdata->u.mgd.use_4addr) in __ieee80211_data_to_8023()
2475 return -1; in __ieee80211_data_to_8023()
2476 else if (!ether_addr_equal(hdr->addr1, sdata->vif.addr)) in __ieee80211_data_to_8023()
2480 if (is_multicast_ether_addr(hdr->addr1) && in __ieee80211_data_to_8023()
2481 sdata->vif.type == NL80211_IFTYPE_AP_VLAN && sdata->u.vlan.sta) in __ieee80211_data_to_8023()
2482 return -1; in __ieee80211_data_to_8023()
2484 ret = ieee80211_data_to_8023(rx->skb, sdata->vif.addr, sdata->vif.type); in __ieee80211_data_to_8023()
2488 ehdr = (struct ethhdr *) rx->skb->data; in __ieee80211_data_to_8023()
2489 if (ehdr->h_proto == rx->sdata->control_port_protocol) in __ieee80211_data_to_8023()
2492 return -1; in __ieee80211_data_to_8023()
2498 * requires that rx->skb is a frame with ethernet header
2504 struct ethhdr *ehdr = (struct ethhdr *) rx->skb->data; in ieee80211_frame_allowed()
2510 if (ehdr->h_proto == rx->sdata->control_port_protocol && in ieee80211_frame_allowed()
2511 (ether_addr_equal(ehdr->h_dest, rx->sdata->vif.addr) || in ieee80211_frame_allowed()
2512 ether_addr_equal(ehdr->h_dest, pae_group_addr))) in ieee80211_frame_allowed()
2525 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_deliver_skb_to_local_stack()
2526 struct net_device *dev = sdata->dev; in ieee80211_deliver_skb_to_local_stack() local
2528 if (unlikely((skb->protocol == sdata->control_port_protocol || in ieee80211_deliver_skb_to_local_stack()
2529 (skb->protocol == cpu_to_be16(ETH_P_PREAUTH) && in ieee80211_deliver_skb_to_local_stack()
2530 !sdata->control_port_no_preauth)) && in ieee80211_deliver_skb_to_local_stack()
2531 sdata->control_port_over_nl80211)) { in ieee80211_deliver_skb_to_local_stack()
2533 bool noencrypt = !(status->flag & RX_FLAG_DECRYPTED); in ieee80211_deliver_skb_to_local_stack()
2535 cfg80211_rx_control_port(dev, skb, noencrypt); in ieee80211_deliver_skb_to_local_stack()
2538 memset(skb->cb, 0, sizeof(skb->cb)); in ieee80211_deliver_skb_to_local_stack()
2541 if (rx->list) in ieee80211_deliver_skb_to_local_stack()
2542 list_add_tail(&skb->list, rx->list); in ieee80211_deliver_skb_to_local_stack()
2549 * requires that rx->skb is a frame with ethernet header
2554 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_deliver_skb()
2555 struct net_device *dev = sdata->dev; in ieee80211_deliver_skb() local
2557 struct ethhdr *ehdr = (struct ethhdr *) rx->skb->data; in ieee80211_deliver_skb()
2560 skb = rx->skb; in ieee80211_deliver_skb()
2563 ieee80211_rx_stats(dev, skb->len); in ieee80211_deliver_skb()
2565 if (rx->sta) { in ieee80211_deliver_skb()
2568 * for non-QoS-data frames. Here we know it's a data in ieee80211_deliver_skb()
2571 u64_stats_update_begin(&rx->sta->rx_stats.syncp); in ieee80211_deliver_skb()
2572 rx->sta->rx_stats.msdu[rx->seqno_idx]++; in ieee80211_deliver_skb()
2573 u64_stats_update_end(&rx->sta->rx_stats.syncp); in ieee80211_deliver_skb()
2576 if ((sdata->vif.type == NL80211_IFTYPE_AP || in ieee80211_deliver_skb()
2577 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && in ieee80211_deliver_skb()
2578 !(sdata->flags & IEEE80211_SDATA_DONT_BRIDGE_PACKETS) && in ieee80211_deliver_skb()
2579 (sdata->vif.type != NL80211_IFTYPE_AP_VLAN || !sdata->u.vlan.sta)) { in ieee80211_deliver_skb()
2580 if (is_multicast_ether_addr(ehdr->h_dest) && in ieee80211_deliver_skb()
2589 dev->name); in ieee80211_deliver_skb()
2590 } else if (!is_multicast_ether_addr(ehdr->h_dest) && in ieee80211_deliver_skb()
2591 !ether_addr_equal(ehdr->h_dest, ehdr->h_source)) { in ieee80211_deliver_skb()
2592 dsta = sta_info_get(sdata, ehdr->h_dest); in ieee80211_deliver_skb()
2609 * frames are required to be aligned to 2-byte boundaries in ieee80211_deliver_skb()
2612 * access fields as 2-byte aligned (e.g. for ether_addr_equal) in ieee80211_deliver_skb()
2616 align = (unsigned long)(skb->data + sizeof(struct ethhdr)) & 3; in ieee80211_deliver_skb()
2622 u8 *data = skb->data; in ieee80211_deliver_skb()
2624 skb->data -= align; in ieee80211_deliver_skb()
2625 memmove(skb->data, data, len); in ieee80211_deliver_skb()
2633 skb->protocol = eth_type_trans(skb, dev); in ieee80211_deliver_skb()
2643 xmit_skb->priority += 256; in ieee80211_deliver_skb()
2644 xmit_skb->protocol = htons(ETH_P_802_3); in ieee80211_deliver_skb()
2654 struct net_device *dev = rx->sdata->dev; in __ieee80211_rx_h_amsdu() local
2655 struct sk_buff *skb = rx->skb; in __ieee80211_rx_h_amsdu()
2656 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; in __ieee80211_rx_h_amsdu()
2657 __le16 fc = hdr->frame_control; in __ieee80211_rx_h_amsdu()
2662 if (unlikely(ieee80211_has_a4(hdr->frame_control))) { in __ieee80211_rx_h_amsdu()
2665 } else switch (rx->sdata->vif.type) { in __ieee80211_rx_h_amsdu()
2671 if (!rx->sta || in __ieee80211_rx_h_amsdu()
2672 !test_sta_flag(rx->sta, WLAN_STA_TDLS_PEER)) in __ieee80211_rx_h_amsdu()
2682 skb->dev = dev; in __ieee80211_rx_h_amsdu()
2686 rx->sdata->vif.addr, in __ieee80211_rx_h_amsdu()
2687 rx->sdata->vif.type, in __ieee80211_rx_h_amsdu()
2691 ieee80211_amsdu_to_8023s(skb, &frame_list, dev->dev_addr, in __ieee80211_rx_h_amsdu()
2692 rx->sdata->vif.type, in __ieee80211_rx_h_amsdu()
2693 rx->local->hw.extra_tx_headroom, in __ieee80211_rx_h_amsdu()
2697 rx->skb = __skb_dequeue(&frame_list); in __ieee80211_rx_h_amsdu()
2700 dev_kfree_skb(rx->skb); in __ieee80211_rx_h_amsdu()
2713 struct sk_buff *skb = rx->skb; in ieee80211_rx_h_amsdu()
2715 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; in ieee80211_rx_h_amsdu()
2716 __le16 fc = hdr->frame_control; in ieee80211_rx_h_amsdu()
2718 if (!(status->rx_flags & IEEE80211_RX_AMSDU)) in ieee80211_rx_h_amsdu()
2727 if (unlikely(ieee80211_has_a4(hdr->frame_control))) { in ieee80211_rx_h_amsdu()
2728 switch (rx->sdata->vif.type) { in ieee80211_rx_h_amsdu()
2730 if (!rx->sdata->u.vlan.sta) in ieee80211_rx_h_amsdu()
2734 if (!rx->sdata->u.mgd.use_4addr) in ieee80211_rx_h_amsdu()
2742 if (is_multicast_ether_addr(hdr->addr1)) in ieee80211_rx_h_amsdu()
2755 struct sk_buff *skb = rx->skb, *fwd_skb; in ieee80211_rx_h_mesh_fwding()
2756 struct ieee80211_local *local = rx->local; in ieee80211_rx_h_mesh_fwding()
2757 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_rx_h_mesh_fwding()
2758 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; in ieee80211_rx_h_mesh_fwding()
2762 hdr = (struct ieee80211_hdr *) skb->data; in ieee80211_rx_h_mesh_fwding()
2763 hdrlen = ieee80211_hdrlen(hdr->frame_control); in ieee80211_rx_h_mesh_fwding()
2766 if (!pskb_may_pull(rx->skb, hdrlen + 6)) in ieee80211_rx_h_mesh_fwding()
2769 mesh_hdr = (struct ieee80211s_hdr *) (skb->data + hdrlen); in ieee80211_rx_h_mesh_fwding()
2772 if (!pskb_may_pull(rx->skb, in ieee80211_rx_h_mesh_fwding()
2777 hdr = (struct ieee80211_hdr *) skb->data; in ieee80211_rx_h_mesh_fwding()
2778 mesh_hdr = (struct ieee80211s_hdr *) (skb->data + hdrlen); in ieee80211_rx_h_mesh_fwding()
2780 if (ieee80211_drop_unencrypted(rx, hdr->frame_control)) in ieee80211_rx_h_mesh_fwding()
2784 if (ieee80211_is_data(hdr->frame_control) && in ieee80211_rx_h_mesh_fwding()
2785 is_multicast_ether_addr(hdr->addr1) && in ieee80211_rx_h_mesh_fwding()
2786 mesh_rmc_check(rx->sdata, hdr->addr3, mesh_hdr)) in ieee80211_rx_h_mesh_fwding()
2789 if (!ieee80211_is_data(hdr->frame_control)) in ieee80211_rx_h_mesh_fwding()
2792 if (!mesh_hdr->ttl) in ieee80211_rx_h_mesh_fwding()
2795 if (mesh_hdr->flags & MESH_FLAGS_AE) { in ieee80211_rx_h_mesh_fwding()
2800 if (is_multicast_ether_addr(hdr->addr1)) { in ieee80211_rx_h_mesh_fwding()
2801 mpp_addr = hdr->addr3; in ieee80211_rx_h_mesh_fwding()
2802 proxied_addr = mesh_hdr->eaddr1; in ieee80211_rx_h_mesh_fwding()
2803 } else if ((mesh_hdr->flags & MESH_FLAGS_AE) == in ieee80211_rx_h_mesh_fwding()
2806 mpp_addr = hdr->addr4; in ieee80211_rx_h_mesh_fwding()
2807 proxied_addr = mesh_hdr->eaddr2; in ieee80211_rx_h_mesh_fwding()
2817 spin_lock_bh(&mppath->state_lock); in ieee80211_rx_h_mesh_fwding()
2818 if (!ether_addr_equal(mppath->mpp, mpp_addr)) in ieee80211_rx_h_mesh_fwding()
2819 memcpy(mppath->mpp, mpp_addr, ETH_ALEN); in ieee80211_rx_h_mesh_fwding()
2820 mppath->exp_time = jiffies; in ieee80211_rx_h_mesh_fwding()
2821 spin_unlock_bh(&mppath->state_lock); in ieee80211_rx_h_mesh_fwding()
2827 if (!is_multicast_ether_addr(hdr->addr1) && in ieee80211_rx_h_mesh_fwding()
2828 ether_addr_equal(sdata->vif.addr, hdr->addr3)) in ieee80211_rx_h_mesh_fwding()
2832 q = sdata->vif.hw_queue[ac]; in ieee80211_rx_h_mesh_fwding()
2833 if (ieee80211_queue_stopped(&local->hw, q)) { in ieee80211_rx_h_mesh_fwding()
2839 if (!--mesh_hdr->ttl) { in ieee80211_rx_h_mesh_fwding()
2840 if (!is_multicast_ether_addr(hdr->addr1)) in ieee80211_rx_h_mesh_fwding()
2846 if (!ifmsh->mshcfg.dot11MeshForwarding) in ieee80211_rx_h_mesh_fwding()
2849 if (sdata->crypto_tx_tailroom_needed_cnt) in ieee80211_rx_h_mesh_fwding()
2852 fwd_skb = skb_copy_expand(skb, local->tx_headroom + in ieee80211_rx_h_mesh_fwding()
2853 sdata->encrypt_headroom, in ieee80211_rx_h_mesh_fwding()
2858 fwd_hdr = (struct ieee80211_hdr *) fwd_skb->data; in ieee80211_rx_h_mesh_fwding()
2859 fwd_hdr->frame_control &= ~cpu_to_le16(IEEE80211_FCTL_RETRY); in ieee80211_rx_h_mesh_fwding()
2862 info->control.flags |= IEEE80211_TX_INTCFL_NEED_TXPROCESSING; in ieee80211_rx_h_mesh_fwding()
2863 info->control.vif = &rx->sdata->vif; in ieee80211_rx_h_mesh_fwding()
2864 info->control.jiffies = jiffies; in ieee80211_rx_h_mesh_fwding()
2865 if (is_multicast_ether_addr(fwd_hdr->addr1)) { in ieee80211_rx_h_mesh_fwding()
2867 memcpy(fwd_hdr->addr2, sdata->vif.addr, ETH_ALEN); in ieee80211_rx_h_mesh_fwding()
2875 mesh_path_error_tx(sdata, ifmsh->mshcfg.element_ttl, in ieee80211_rx_h_mesh_fwding()
2876 fwd_hdr->addr3, 0, in ieee80211_rx_h_mesh_fwding()
2878 fwd_hdr->addr2); in ieee80211_rx_h_mesh_fwding()
2887 if (is_multicast_ether_addr(hdr->addr1)) in ieee80211_rx_h_mesh_fwding()
2896 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_rx_h_data()
2897 struct ieee80211_local *local = rx->local; in ieee80211_rx_h_data()
2898 struct net_device *dev = sdata->dev; in ieee80211_rx_h_data() local
2899 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data; in ieee80211_rx_h_data()
2900 __le16 fc = hdr->frame_control; in ieee80211_rx_h_data()
2904 if (unlikely(!ieee80211_is_data(hdr->frame_control))) in ieee80211_rx_h_data()
2907 if (unlikely(!ieee80211_is_data_present(hdr->frame_control))) in ieee80211_rx_h_data()
2911 * Send unexpected-4addr-frame event to hostapd. For older versions, in ieee80211_rx_h_data()
2914 if (ieee80211_has_a4(hdr->frame_control) && in ieee80211_rx_h_data()
2915 sdata->vif.type == NL80211_IFTYPE_AP) { in ieee80211_rx_h_data()
2916 if (rx->sta && in ieee80211_rx_h_data()
2917 !test_and_set_sta_flag(rx->sta, WLAN_STA_4ADDR_EVENT)) in ieee80211_rx_h_data()
2919 rx->sdata->dev, rx->sta->sta.addr, GFP_ATOMIC); in ieee80211_rx_h_data()
2931 if (unlikely(((struct ethhdr *)rx->skb->data)->h_proto == in ieee80211_rx_h_data()
2933 struct ieee80211_tdls_data *tf = (void *)rx->skb->data; in ieee80211_rx_h_data()
2935 if (pskb_may_pull(rx->skb, in ieee80211_rx_h_data()
2937 tf->payload_type == WLAN_TDLS_SNAP_RFTYPE && in ieee80211_rx_h_data()
2938 tf->category == WLAN_CATEGORY_TDLS && in ieee80211_rx_h_data()
2939 (tf->action_code == WLAN_TDLS_CHANNEL_SWITCH_REQUEST || in ieee80211_rx_h_data()
2940 tf->action_code == WLAN_TDLS_CHANNEL_SWITCH_RESPONSE)) { in ieee80211_rx_h_data()
2941 skb_queue_tail(&local->skb_queue_tdls_chsw, rx->skb); in ieee80211_rx_h_data()
2942 schedule_work(&local->tdls_chsw_work); in ieee80211_rx_h_data()
2943 if (rx->sta) in ieee80211_rx_h_data()
2944 rx->sta->rx_stats.packets++; in ieee80211_rx_h_data()
2950 if (rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && in ieee80211_rx_h_data()
2951 unlikely(port_control) && sdata->bss) { in ieee80211_rx_h_data()
2952 sdata = container_of(sdata->bss, struct ieee80211_sub_if_data, in ieee80211_rx_h_data()
2954 dev = sdata->dev; in ieee80211_rx_h_data()
2955 rx->sdata = sdata; in ieee80211_rx_h_data()
2958 rx->skb->dev = dev; in ieee80211_rx_h_data()
2960 if (!ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS) && in ieee80211_rx_h_data()
2961 local->ps_sdata && local->hw.conf.dynamic_ps_timeout > 0 && in ieee80211_rx_h_data()
2963 ((struct ethhdr *)rx->skb->data)->h_dest) && in ieee80211_rx_h_data()
2964 (!local->scanning && in ieee80211_rx_h_data()
2965 !test_bit(SDATA_STATE_OFFCHANNEL, &sdata->state))) in ieee80211_rx_h_data()
2966 mod_timer(&local->dynamic_ps_timer, jiffies + in ieee80211_rx_h_data()
2967 msecs_to_jiffies(local->hw.conf.dynamic_ps_timeout)); in ieee80211_rx_h_data()
2977 struct sk_buff *skb = rx->skb; in ieee80211_rx_h_ctrl()
2978 struct ieee80211_bar *bar = (struct ieee80211_bar *)skb->data; in ieee80211_rx_h_ctrl()
2983 if (likely(!ieee80211_is_ctl(bar->frame_control))) in ieee80211_rx_h_ctrl()
2986 if (ieee80211_is_back_req(bar->frame_control)) { in ieee80211_rx_h_ctrl()
2994 if (!rx->sta) in ieee80211_rx_h_ctrl()
3003 if (!test_bit(tid, rx->sta->ampdu_mlme.agg_session_valid) && in ieee80211_rx_h_ctrl()
3004 !test_and_set_bit(tid, rx->sta->ampdu_mlme.unexpected_agg)) in ieee80211_rx_h_ctrl()
3005 ieee80211_send_delba(rx->sdata, rx->sta->sta.addr, tid, in ieee80211_rx_h_ctrl()
3009 tid_agg_rx = rcu_dereference(rx->sta->ampdu_mlme.tid_rx[tid]); in ieee80211_rx_h_ctrl()
3016 event.u.ba.sta = &rx->sta->sta; in ieee80211_rx_h_ctrl()
3019 if (tid_agg_rx->timeout) in ieee80211_rx_h_ctrl()
3020 mod_timer(&tid_agg_rx->session_timer, in ieee80211_rx_h_ctrl()
3021 TU_TO_EXP_TIME(tid_agg_rx->timeout)); in ieee80211_rx_h_ctrl()
3023 spin_lock(&tid_agg_rx->reorder_lock); in ieee80211_rx_h_ctrl()
3025 ieee80211_release_reorder_frames(rx->sdata, tid_agg_rx, in ieee80211_rx_h_ctrl()
3027 spin_unlock(&tid_agg_rx->reorder_lock); in ieee80211_rx_h_ctrl()
3029 drv_event_callback(rx->local, rx->sdata, &event); in ieee80211_rx_h_ctrl()
3047 struct ieee80211_local *local = sdata->local; in ieee80211_process_sa_query_req()
3051 if (!ether_addr_equal(mgmt->da, sdata->vif.addr)) { in ieee80211_process_sa_query_req()
3056 if (!ether_addr_equal(mgmt->sa, sdata->u.mgd.bssid) || in ieee80211_process_sa_query_req()
3057 !ether_addr_equal(mgmt->bssid, sdata->u.mgd.bssid)) { in ieee80211_process_sa_query_req()
3062 if (len < 24 + 1 + sizeof(resp->u.action.u.sa_query)) { in ieee80211_process_sa_query_req()
3067 skb = dev_alloc_skb(sizeof(*resp) + local->hw.extra_tx_headroom); in ieee80211_process_sa_query_req()
3071 skb_reserve(skb, local->hw.extra_tx_headroom); in ieee80211_process_sa_query_req()
3073 memcpy(resp->da, mgmt->sa, ETH_ALEN); in ieee80211_process_sa_query_req()
3074 memcpy(resp->sa, sdata->vif.addr, ETH_ALEN); in ieee80211_process_sa_query_req()
3075 memcpy(resp->bssid, sdata->u.mgd.bssid, ETH_ALEN); in ieee80211_process_sa_query_req()
3076 resp->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | in ieee80211_process_sa_query_req()
3078 skb_put(skb, 1 + sizeof(resp->u.action.u.sa_query)); in ieee80211_process_sa_query_req()
3079 resp->u.action.category = WLAN_CATEGORY_SA_QUERY; in ieee80211_process_sa_query_req()
3080 resp->u.action.u.sa_query.action = WLAN_ACTION_SA_QUERY_RESPONSE; in ieee80211_process_sa_query_req()
3081 memcpy(resp->u.action.u.sa_query.trans_id, in ieee80211_process_sa_query_req()
3082 mgmt->u.action.u.sa_query.trans_id, in ieee80211_process_sa_query_req()
3091 struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data; in ieee80211_rx_h_mgmt_check()
3092 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); in ieee80211_rx_h_mgmt_check()
3094 if (ieee80211_is_s1g_beacon(mgmt->frame_control)) in ieee80211_rx_h_mgmt_check()
3102 if (rx->skb->len < 24) in ieee80211_rx_h_mgmt_check()
3105 if (!ieee80211_is_mgmt(mgmt->frame_control)) in ieee80211_rx_h_mgmt_check()
3108 if (rx->sdata->vif.type == NL80211_IFTYPE_AP && in ieee80211_rx_h_mgmt_check()
3109 ieee80211_is_beacon(mgmt->frame_control) && in ieee80211_rx_h_mgmt_check()
3110 !(rx->flags & IEEE80211_RX_BEACON_REPORTED)) { in ieee80211_rx_h_mgmt_check()
3113 if (ieee80211_hw_check(&rx->local->hw, SIGNAL_DBM) && in ieee80211_rx_h_mgmt_check()
3114 !(status->flag & RX_FLAG_NO_SIGNAL_VAL)) in ieee80211_rx_h_mgmt_check()
3115 sig = status->signal; in ieee80211_rx_h_mgmt_check()
3117 cfg80211_report_obss_beacon_khz(rx->local->hw.wiphy, in ieee80211_rx_h_mgmt_check()
3118 rx->skb->data, rx->skb->len, in ieee80211_rx_h_mgmt_check()
3121 rx->flags |= IEEE80211_RX_BEACON_REPORTED; in ieee80211_rx_h_mgmt_check()
3133 struct ieee80211_local *local = rx->local; in ieee80211_rx_h_action()
3134 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_rx_h_action()
3135 struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data; in ieee80211_rx_h_action()
3136 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); in ieee80211_rx_h_action()
3137 int len = rx->skb->len; in ieee80211_rx_h_action()
3139 if (!ieee80211_is_action(mgmt->frame_control)) in ieee80211_rx_h_action()
3146 if (!rx->sta && mgmt->u.action.category != WLAN_CATEGORY_PUBLIC && in ieee80211_rx_h_action()
3147 mgmt->u.action.category != WLAN_CATEGORY_SELF_PROTECTED && in ieee80211_rx_h_action()
3148 mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT) in ieee80211_rx_h_action()
3151 switch (mgmt->u.action.category) { in ieee80211_rx_h_action()
3154 if (!rx->sta->sta.ht_cap.ht_supported) in ieee80211_rx_h_action()
3157 if (sdata->vif.type != NL80211_IFTYPE_STATION && in ieee80211_rx_h_action()
3158 sdata->vif.type != NL80211_IFTYPE_MESH_POINT && in ieee80211_rx_h_action()
3159 sdata->vif.type != NL80211_IFTYPE_AP_VLAN && in ieee80211_rx_h_action()
3160 sdata->vif.type != NL80211_IFTYPE_AP && in ieee80211_rx_h_action()
3161 sdata->vif.type != NL80211_IFTYPE_ADHOC) in ieee80211_rx_h_action()
3168 switch (mgmt->u.action.u.ht_smps.action) { in ieee80211_rx_h_action()
3174 if (sdata->vif.type != NL80211_IFTYPE_AP && in ieee80211_rx_h_action()
3175 sdata->vif.type != NL80211_IFTYPE_AP_VLAN) in ieee80211_rx_h_action()
3179 switch (mgmt->u.action.u.ht_smps.smps_control) { in ieee80211_rx_h_action()
3194 if (rx->sta->sta.smps_mode == smps_mode) in ieee80211_rx_h_action()
3196 rx->sta->sta.smps_mode = smps_mode; in ieee80211_rx_h_action()
3201 sband = rx->local->hw.wiphy->bands[status->band]; in ieee80211_rx_h_action()
3203 rate_control_rate_update(local, sband, rx->sta, in ieee80211_rx_h_action()
3205 cfg80211_sta_opmode_change_notify(sdata->dev, in ieee80211_rx_h_action()
3206 rx->sta->addr, in ieee80211_rx_h_action()
3213 u8 chanwidth = mgmt->u.action.u.ht_notify_cw.chanwidth; in ieee80211_rx_h_action()
3218 if (!(rx->sta->sta.ht_cap.cap & in ieee80211_rx_h_action()
3225 max_bw = ieee80211_sta_cap_rx_bw(rx->sta); in ieee80211_rx_h_action()
3228 rx->sta->cur_max_bandwidth = max_bw; in ieee80211_rx_h_action()
3229 new_bw = ieee80211_sta_cur_vht_bw(rx->sta); in ieee80211_rx_h_action()
3231 if (rx->sta->sta.bandwidth == new_bw) in ieee80211_rx_h_action()
3234 rx->sta->sta.bandwidth = new_bw; in ieee80211_rx_h_action()
3235 sband = rx->local->hw.wiphy->bands[status->band]; in ieee80211_rx_h_action()
3237 ieee80211_sta_rx_bw_to_chan_width(rx->sta); in ieee80211_rx_h_action()
3240 rate_control_rate_update(local, sband, rx->sta, in ieee80211_rx_h_action()
3242 cfg80211_sta_opmode_change_notify(sdata->dev, in ieee80211_rx_h_action()
3243 rx->sta->addr, in ieee80211_rx_h_action()
3256 if (sdata->vif.type != NL80211_IFTYPE_STATION) in ieee80211_rx_h_action()
3258 if (!rx->sta) in ieee80211_rx_h_action()
3260 if (!ether_addr_equal(mgmt->bssid, sdata->u.mgd.bssid)) in ieee80211_rx_h_action()
3262 if (mgmt->u.action.u.ext_chan_switch.action_code != in ieee80211_rx_h_action()
3270 if (sdata->vif.type != NL80211_IFTYPE_STATION && in ieee80211_rx_h_action()
3271 sdata->vif.type != NL80211_IFTYPE_MESH_POINT && in ieee80211_rx_h_action()
3272 sdata->vif.type != NL80211_IFTYPE_AP_VLAN && in ieee80211_rx_h_action()
3273 sdata->vif.type != NL80211_IFTYPE_AP && in ieee80211_rx_h_action()
3274 sdata->vif.type != NL80211_IFTYPE_ADHOC) in ieee80211_rx_h_action()
3281 switch (mgmt->u.action.u.vht_opmode_notif.action_code) { in ieee80211_rx_h_action()
3298 if (sdata->vif.type != NL80211_IFTYPE_STATION && in ieee80211_rx_h_action()
3299 sdata->vif.type != NL80211_IFTYPE_MESH_POINT && in ieee80211_rx_h_action()
3300 sdata->vif.type != NL80211_IFTYPE_AP_VLAN && in ieee80211_rx_h_action()
3301 sdata->vif.type != NL80211_IFTYPE_AP && in ieee80211_rx_h_action()
3302 sdata->vif.type != NL80211_IFTYPE_ADHOC) in ieee80211_rx_h_action()
3309 switch (mgmt->u.action.u.addba_req.action_code) { in ieee80211_rx_h_action()
3312 sizeof(mgmt->u.action.u.addba_req))) in ieee80211_rx_h_action()
3317 sizeof(mgmt->u.action.u.addba_resp))) in ieee80211_rx_h_action()
3322 sizeof(mgmt->u.action.u.delba))) in ieee80211_rx_h_action()
3335 switch (mgmt->u.action.u.measurement.action_code) { in ieee80211_rx_h_action()
3337 if (status->band != NL80211_BAND_5GHZ) in ieee80211_rx_h_action()
3341 sizeof(mgmt->u.action.u.measurement))) in ieee80211_rx_h_action()
3344 if (sdata->vif.type != NL80211_IFTYPE_STATION) in ieee80211_rx_h_action()
3352 sizeof(mgmt->u.action.u.chan_switch))) in ieee80211_rx_h_action()
3355 if (sdata->vif.type != NL80211_IFTYPE_STATION && in ieee80211_rx_h_action()
3356 sdata->vif.type != NL80211_IFTYPE_ADHOC && in ieee80211_rx_h_action()
3357 sdata->vif.type != NL80211_IFTYPE_MESH_POINT) in ieee80211_rx_h_action()
3360 if (sdata->vif.type == NL80211_IFTYPE_STATION) in ieee80211_rx_h_action()
3361 bssid = sdata->u.mgd.bssid; in ieee80211_rx_h_action()
3362 else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) in ieee80211_rx_h_action()
3363 bssid = sdata->u.ibss.bssid; in ieee80211_rx_h_action()
3364 else if (sdata->vif.type == NL80211_IFTYPE_MESH_POINT) in ieee80211_rx_h_action()
3365 bssid = mgmt->sa; in ieee80211_rx_h_action()
3369 if (!ether_addr_equal(mgmt->bssid, bssid)) in ieee80211_rx_h_action()
3378 sizeof(mgmt->u.action.u.self_prot.action_code))) in ieee80211_rx_h_action()
3381 switch (mgmt->u.action.u.self_prot.action_code) { in ieee80211_rx_h_action()
3385 if (!ieee80211_vif_is_mesh(&sdata->vif)) in ieee80211_rx_h_action()
3387 if (sdata->u.mesh.user_mpm) in ieee80211_rx_h_action()
3393 if (!ieee80211_vif_is_mesh(&sdata->vif)) in ieee80211_rx_h_action()
3400 sizeof(mgmt->u.action.u.mesh_action.action_code))) in ieee80211_rx_h_action()
3403 if (!ieee80211_vif_is_mesh(&sdata->vif)) in ieee80211_rx_h_action()
3414 status->rx_flags |= IEEE80211_RX_MALFORMED_ACTION_FRM; in ieee80211_rx_h_action()
3419 if (rx->sta) in ieee80211_rx_h_action()
3420 rx->sta->rx_stats.packets++; in ieee80211_rx_h_action()
3421 dev_kfree_skb(rx->skb); in ieee80211_rx_h_action()
3425 skb_queue_tail(&sdata->skb_queue, rx->skb); in ieee80211_rx_h_action()
3426 ieee80211_queue_work(&local->hw, &sdata->work); in ieee80211_rx_h_action()
3427 if (rx->sta) in ieee80211_rx_h_action()
3428 rx->sta->rx_stats.packets++; in ieee80211_rx_h_action()
3435 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); in ieee80211_rx_h_userspace_mgmt()
3438 /* skip known-bad action frames and return them in the next handler */ in ieee80211_rx_h_userspace_mgmt()
3439 if (status->rx_flags & IEEE80211_RX_MALFORMED_ACTION_FRM) in ieee80211_rx_h_userspace_mgmt()
3449 if (ieee80211_hw_check(&rx->local->hw, SIGNAL_DBM) && in ieee80211_rx_h_userspace_mgmt()
3450 !(status->flag & RX_FLAG_NO_SIGNAL_VAL)) in ieee80211_rx_h_userspace_mgmt()
3451 sig = status->signal; in ieee80211_rx_h_userspace_mgmt()
3453 if (cfg80211_rx_mgmt_khz(&rx->sdata->wdev, in ieee80211_rx_h_userspace_mgmt()
3455 rx->skb->data, rx->skb->len, 0)) { in ieee80211_rx_h_userspace_mgmt()
3456 if (rx->sta) in ieee80211_rx_h_userspace_mgmt()
3457 rx->sta->rx_stats.packets++; in ieee80211_rx_h_userspace_mgmt()
3458 dev_kfree_skb(rx->skb); in ieee80211_rx_h_userspace_mgmt()
3468 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_rx_h_action_post_userspace()
3469 struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data; in ieee80211_rx_h_action_post_userspace()
3470 int len = rx->skb->len; in ieee80211_rx_h_action_post_userspace()
3472 if (!ieee80211_is_action(mgmt->frame_control)) in ieee80211_rx_h_action_post_userspace()
3475 switch (mgmt->u.action.category) { in ieee80211_rx_h_action_post_userspace()
3478 sizeof(mgmt->u.action.u.sa_query))) in ieee80211_rx_h_action_post_userspace()
3481 switch (mgmt->u.action.u.sa_query.action) { in ieee80211_rx_h_action_post_userspace()
3483 if (sdata->vif.type != NL80211_IFTYPE_STATION) in ieee80211_rx_h_action_post_userspace()
3494 if (rx->sta) in ieee80211_rx_h_action_post_userspace()
3495 rx->sta->rx_stats.packets++; in ieee80211_rx_h_action_post_userspace()
3496 dev_kfree_skb(rx->skb); in ieee80211_rx_h_action_post_userspace()
3503 struct ieee80211_local *local = rx->local; in ieee80211_rx_h_action_return()
3504 struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data; in ieee80211_rx_h_action_return()
3506 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_rx_h_action_return()
3507 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); in ieee80211_rx_h_action_return()
3509 if (!ieee80211_is_action(mgmt->frame_control)) in ieee80211_rx_h_action_return()
3517 * 802.11-2012 9.24.4. in ieee80211_rx_h_action_return()
3522 if (!(status->rx_flags & IEEE80211_RX_MALFORMED_ACTION_FRM) && in ieee80211_rx_h_action_return()
3523 (sdata->vif.type == NL80211_IFTYPE_AP || in ieee80211_rx_h_action_return()
3524 sdata->vif.type == NL80211_IFTYPE_AP_VLAN)) in ieee80211_rx_h_action_return()
3527 if (is_multicast_ether_addr(mgmt->da)) in ieee80211_rx_h_action_return()
3531 if (mgmt->u.action.category & 0x80) in ieee80211_rx_h_action_return()
3534 nskb = skb_copy_expand(rx->skb, local->hw.extra_tx_headroom, 0, in ieee80211_rx_h_action_return()
3537 struct ieee80211_mgmt *nmgmt = (void *)nskb->data; in ieee80211_rx_h_action_return()
3539 nmgmt->u.action.category |= 0x80; in ieee80211_rx_h_action_return()
3540 memcpy(nmgmt->da, nmgmt->sa, ETH_ALEN); in ieee80211_rx_h_action_return()
3541 memcpy(nmgmt->sa, rx->sdata->vif.addr, ETH_ALEN); in ieee80211_rx_h_action_return()
3543 memset(nskb->cb, 0, sizeof(nskb->cb)); in ieee80211_rx_h_action_return()
3545 if (rx->sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) { in ieee80211_rx_h_action_return()
3548 info->flags = IEEE80211_TX_CTL_TX_OFFCHAN | in ieee80211_rx_h_action_return()
3551 if (ieee80211_hw_check(&local->hw, QUEUE_CONTROL)) in ieee80211_rx_h_action_return()
3552 info->hw_queue = in ieee80211_rx_h_action_return()
3553 local->hw.offchannel_tx_hw_queue; in ieee80211_rx_h_action_return()
3556 __ieee80211_tx_skb_tid_band(rx->sdata, nskb, 7, in ieee80211_rx_h_action_return()
3557 status->band); in ieee80211_rx_h_action_return()
3559 dev_kfree_skb(rx->skb); in ieee80211_rx_h_action_return()
3566 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_rx_h_ext()
3567 struct ieee80211_hdr *hdr = (void *)rx->skb->data; in ieee80211_rx_h_ext()
3569 if (!ieee80211_is_ext(hdr->frame_control)) in ieee80211_rx_h_ext()
3572 if (sdata->vif.type != NL80211_IFTYPE_STATION) in ieee80211_rx_h_ext()
3576 skb_queue_tail(&sdata->skb_queue, rx->skb); in ieee80211_rx_h_ext()
3577 ieee80211_queue_work(&rx->local->hw, &sdata->work); in ieee80211_rx_h_ext()
3578 if (rx->sta) in ieee80211_rx_h_ext()
3579 rx->sta->rx_stats.packets++; in ieee80211_rx_h_ext()
3587 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_rx_h_mgmt()
3588 struct ieee80211_mgmt *mgmt = (void *)rx->skb->data; in ieee80211_rx_h_mgmt()
3591 stype = mgmt->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE); in ieee80211_rx_h_mgmt()
3593 if (!ieee80211_vif_is_mesh(&sdata->vif) && in ieee80211_rx_h_mgmt()
3594 sdata->vif.type != NL80211_IFTYPE_ADHOC && in ieee80211_rx_h_mgmt()
3595 sdata->vif.type != NL80211_IFTYPE_OCB && in ieee80211_rx_h_mgmt()
3596 sdata->vif.type != NL80211_IFTYPE_STATION) in ieee80211_rx_h_mgmt()
3606 if (is_multicast_ether_addr(mgmt->da) && in ieee80211_rx_h_mgmt()
3607 !is_broadcast_ether_addr(mgmt->da)) in ieee80211_rx_h_mgmt()
3611 if (sdata->vif.type != NL80211_IFTYPE_STATION && in ieee80211_rx_h_mgmt()
3612 sdata->vif.type != NL80211_IFTYPE_ADHOC) in ieee80211_rx_h_mgmt()
3618 if (is_multicast_ether_addr(mgmt->da) && in ieee80211_rx_h_mgmt()
3619 !is_broadcast_ether_addr(mgmt->da)) in ieee80211_rx_h_mgmt()
3623 if (sdata->vif.type != NL80211_IFTYPE_STATION) in ieee80211_rx_h_mgmt()
3628 if (sdata->vif.type != NL80211_IFTYPE_ADHOC && in ieee80211_rx_h_mgmt()
3629 sdata->vif.type != NL80211_IFTYPE_MESH_POINT) in ieee80211_rx_h_mgmt()
3637 skb_queue_tail(&sdata->skb_queue, rx->skb); in ieee80211_rx_h_mgmt()
3638 ieee80211_queue_work(&rx->local->hw, &sdata->work); in ieee80211_rx_h_mgmt()
3639 if (rx->sta) in ieee80211_rx_h_mgmt()
3640 rx->sta->rx_stats.packets++; in ieee80211_rx_h_mgmt()
3649 struct ieee80211_local *local = rx->local; in ieee80211_rx_cooked_monitor()
3650 struct sk_buff *skb = rx->skb, *skb2; in ieee80211_rx_cooked_monitor()
3659 if (rx->flags & IEEE80211_RX_CMNTR) in ieee80211_rx_cooked_monitor()
3661 rx->flags |= IEEE80211_RX_CMNTR; in ieee80211_rx_cooked_monitor()
3664 if (!local->cooked_mntrs) in ieee80211_rx_cooked_monitor()
3668 status->flag &= ~RX_FLAG_RADIOTAP_VENDOR_DATA; in ieee80211_rx_cooked_monitor()
3681 skb->ip_summed = CHECKSUM_UNNECESSARY; in ieee80211_rx_cooked_monitor()
3682 skb->pkt_type = PACKET_OTHERHOST; in ieee80211_rx_cooked_monitor()
3683 skb->protocol = htons(ETH_P_802_2); in ieee80211_rx_cooked_monitor()
3685 list_for_each_entry_rcu(sdata, &local->interfaces, list) { in ieee80211_rx_cooked_monitor()
3689 if (sdata->vif.type != NL80211_IFTYPE_MONITOR || in ieee80211_rx_cooked_monitor()
3690 !(sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES)) in ieee80211_rx_cooked_monitor()
3696 skb2->dev = prev_dev; in ieee80211_rx_cooked_monitor()
3701 prev_dev = sdata->dev; in ieee80211_rx_cooked_monitor()
3702 ieee80211_rx_stats(sdata->dev, skb->len); in ieee80211_rx_cooked_monitor()
3706 skb->dev = prev_dev; in ieee80211_rx_cooked_monitor()
3720 I802_DEBUG_INC(rx->sdata->local->rx_handlers_drop); in ieee80211_rx_handlers_result()
3721 if (rx->sta) in ieee80211_rx_handlers_result()
3722 rx->sta->rx_stats.dropped++; in ieee80211_rx_handlers_result()
3729 status = IEEE80211_SKB_RXCB((rx->skb)); in ieee80211_rx_handlers_result()
3731 sband = rx->local->hw.wiphy->bands[status->band]; in ieee80211_rx_handlers_result()
3732 if (status->encoding == RX_ENC_LEGACY) in ieee80211_rx_handlers_result()
3733 rate = &sband->bitrates[status->rate_idx]; in ieee80211_rx_handlers_result()
3739 I802_DEBUG_INC(rx->sdata->local->rx_handlers_drop); in ieee80211_rx_handlers_result()
3740 if (rx->sta) in ieee80211_rx_handlers_result()
3741 rx->sta->rx_stats.dropped++; in ieee80211_rx_handlers_result()
3742 dev_kfree_skb(rx->skb); in ieee80211_rx_handlers_result()
3745 I802_DEBUG_INC(rx->sdata->local->rx_handlers_queued); in ieee80211_rx_handlers_result()
3769 spin_lock_bh(&rx->local->rx_path_lock); in ieee80211_rx_handlers()
3777 rx->skb = skb; in ieee80211_rx_handlers()
3787 if (ieee80211_vif_is_mesh(&rx->sdata->vif)) in ieee80211_rx_handlers()
3793 /* special treatment -- needs the queue */ in ieee80211_rx_handlers()
3812 spin_unlock_bh(&rx->local->rx_path_lock); in ieee80211_rx_handlers()
3852 .sdata = sta->sdata, in ieee80211_release_reorder_timeout()
3853 .local = sta->local, in ieee80211_release_reorder_timeout()
3854 /* This is OK -- must be QoS data frame */ in ieee80211_release_reorder_timeout()
3860 tid_agg_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[tid]); in ieee80211_release_reorder_timeout()
3866 spin_lock(&tid_agg_rx->reorder_lock); in ieee80211_release_reorder_timeout()
3867 ieee80211_sta_reorder_release(sta->sdata, tid_agg_rx, &frames); in ieee80211_release_reorder_timeout()
3868 spin_unlock(&tid_agg_rx->reorder_lock); in ieee80211_release_reorder_timeout()
3874 .u.ba.sta = &sta->sta, in ieee80211_release_reorder_timeout()
3890 /* This is OK -- must be QoS data frame */ in ieee80211_mark_rx_ba_filtered_frames()
3904 rx.sdata = sta->sdata; in ieee80211_mark_rx_ba_filtered_frames()
3905 rx.local = sta->local; in ieee80211_mark_rx_ba_filtered_frames()
3908 tid_agg_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[tid]); in ieee80211_mark_rx_ba_filtered_frames()
3912 spin_lock_bh(&tid_agg_rx->reorder_lock); in ieee80211_mark_rx_ba_filtered_frames()
3918 release = (tid_agg_rx->head_seq_num + tid_agg_rx->buf_size) % in ieee80211_mark_rx_ba_filtered_frames()
3920 ieee80211_release_reorder_frames(sta->sdata, tid_agg_rx, in ieee80211_mark_rx_ba_filtered_frames()
3923 tid_agg_rx->head_seq_num = ssn; in ieee80211_mark_rx_ba_filtered_frames()
3925 ieee80211_release_reorder_frames(sta->sdata, tid_agg_rx, ssn, in ieee80211_mark_rx_ba_filtered_frames()
3930 * it can be tid_agg_rx->buf_size behind and still be valid */ in ieee80211_mark_rx_ba_filtered_frames()
3931 diff = (tid_agg_rx->head_seq_num - ssn) & IEEE80211_SN_MASK; in ieee80211_mark_rx_ba_filtered_frames()
3932 if (diff >= tid_agg_rx->buf_size) { in ieee80211_mark_rx_ba_filtered_frames()
3933 tid_agg_rx->reorder_buf_filtered = 0; in ieee80211_mark_rx_ba_filtered_frames()
3940 for (i = 0; i < tid_agg_rx->buf_size; i++) { in ieee80211_mark_rx_ba_filtered_frames()
3941 int index = (ssn + i) % tid_agg_rx->buf_size; in ieee80211_mark_rx_ba_filtered_frames()
3943 tid_agg_rx->reorder_buf_filtered &= ~BIT_ULL(index); in ieee80211_mark_rx_ba_filtered_frames()
3945 tid_agg_rx->reorder_buf_filtered |= BIT_ULL(index); in ieee80211_mark_rx_ba_filtered_frames()
3949 ieee80211_sta_reorder_release(sta->sdata, tid_agg_rx, &frames); in ieee80211_mark_rx_ba_filtered_frames()
3952 spin_unlock_bh(&tid_agg_rx->reorder_lock); in ieee80211_mark_rx_ba_filtered_frames()
3965 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_accept_frame()
3966 struct sk_buff *skb = rx->skb; in ieee80211_accept_frame()
3967 struct ieee80211_hdr *hdr = (void *)skb->data; in ieee80211_accept_frame()
3969 u8 *bssid = ieee80211_get_bssid(hdr, skb->len, sdata->vif.type); in ieee80211_accept_frame()
3970 bool multicast = is_multicast_ether_addr(hdr->addr1) || in ieee80211_accept_frame()
3971 ieee80211_is_s1g_beacon(hdr->frame_control); in ieee80211_accept_frame()
3973 switch (sdata->vif.type) { in ieee80211_accept_frame()
3975 if (!bssid && !sdata->u.mgd.use_4addr) in ieee80211_accept_frame()
3977 if (ieee80211_is_robust_mgmt_frame(skb) && !rx->sta) in ieee80211_accept_frame()
3981 return ether_addr_equal(sdata->vif.addr, hdr->addr1); in ieee80211_accept_frame()
3985 if (ether_addr_equal(sdata->vif.addr, hdr->addr2) || in ieee80211_accept_frame()
3986 ether_addr_equal(sdata->u.ibss.bssid, hdr->addr2)) in ieee80211_accept_frame()
3988 if (ieee80211_is_beacon(hdr->frame_control)) in ieee80211_accept_frame()
3990 if (!ieee80211_bssid_match(bssid, sdata->u.ibss.bssid)) in ieee80211_accept_frame()
3993 !ether_addr_equal(sdata->vif.addr, hdr->addr1)) in ieee80211_accept_frame()
3995 if (!rx->sta) { in ieee80211_accept_frame()
3997 if (status->encoding != RX_ENC_LEGACY) in ieee80211_accept_frame()
4000 rate_idx = status->rate_idx; in ieee80211_accept_frame()
4001 ieee80211_ibss_rx_no_sta(sdata, bssid, hdr->addr2, in ieee80211_accept_frame()
4008 if (!ieee80211_is_data_present(hdr->frame_control)) in ieee80211_accept_frame()
4013 !ether_addr_equal(sdata->dev->dev_addr, hdr->addr1)) in ieee80211_accept_frame()
4015 if (!rx->sta) { in ieee80211_accept_frame()
4017 if (status->encoding != RX_ENC_LEGACY) in ieee80211_accept_frame()
4020 rate_idx = status->rate_idx; in ieee80211_accept_frame()
4021 ieee80211_ocb_rx_no_sta(sdata, bssid, hdr->addr2, in ieee80211_accept_frame()
4026 if (ether_addr_equal(sdata->vif.addr, hdr->addr2)) in ieee80211_accept_frame()
4030 return ether_addr_equal(sdata->vif.addr, hdr->addr1); in ieee80211_accept_frame()
4034 return ether_addr_equal(sdata->vif.addr, hdr->addr1); in ieee80211_accept_frame()
4036 if (!ieee80211_bssid_match(bssid, sdata->vif.addr)) { in ieee80211_accept_frame()
4044 !ether_addr_equal(sdata->vif.addr, hdr->addr1)) in ieee80211_accept_frame()
4046 if (ieee80211_is_public_action(hdr, skb->len)) in ieee80211_accept_frame()
4048 return ieee80211_is_beacon(hdr->frame_control); in ieee80211_accept_frame()
4051 if (!ieee80211_has_tods(hdr->frame_control)) { in ieee80211_accept_frame()
4052 /* ignore data frames to TDLS-peers */ in ieee80211_accept_frame()
4053 if (ieee80211_is_data(hdr->frame_control)) in ieee80211_accept_frame()
4055 /* ignore action frames to TDLS-peers */ in ieee80211_accept_frame()
4056 if (ieee80211_is_action(hdr->frame_control) && in ieee80211_accept_frame()
4058 !ether_addr_equal(bssid, hdr->addr1)) in ieee80211_accept_frame()
4063 * 802.11-2016 Table 9-26 says that for data frames, A1 must be in ieee80211_accept_frame()
4064 * the BSSID - we've checked that already but may have accepted in ieee80211_accept_frame()
4079 if (ieee80211_is_data(hdr->frame_control) && multicast) in ieee80211_accept_frame()
4084 if (bssid || !ieee80211_is_data(hdr->frame_control)) in ieee80211_accept_frame()
4086 return ether_addr_equal(sdata->u.wds.remote_addr, hdr->addr2); in ieee80211_accept_frame()
4088 return ieee80211_is_public_action(hdr, skb->len) || in ieee80211_accept_frame()
4089 ieee80211_is_probe_req(hdr->frame_control) || in ieee80211_accept_frame()
4090 ieee80211_is_probe_resp(hdr->frame_control) || in ieee80211_accept_frame()
4091 ieee80211_is_beacon(hdr->frame_control); in ieee80211_accept_frame()
4105 struct ieee80211_sub_if_data *sdata = sta->sdata; in ieee80211_check_fast_rx()
4106 struct ieee80211_local *local = sdata->local; in ieee80211_check_fast_rx()
4109 .dev = sdata->dev, in ieee80211_check_fast_rx()
4110 .vif_type = sdata->vif.type, in ieee80211_check_fast_rx()
4111 .control_port_protocol = sdata->control_port_protocol, in ieee80211_check_fast_rx()
4121 ether_addr_copy(fastrx.vif_addr, sdata->vif.addr); in ieee80211_check_fast_rx()
4123 fastrx.uses_rss = ieee80211_hw_check(&local->hw, USES_RSS); in ieee80211_check_fast_rx()
4125 /* fast-rx doesn't do reordering */ in ieee80211_check_fast_rx()
4126 if (ieee80211_hw_check(&local->hw, AMPDU_AGGREGATION) && in ieee80211_check_fast_rx()
4127 !ieee80211_hw_check(&local->hw, SUPPORTS_REORDERING_BUFFER)) in ieee80211_check_fast_rx()
4130 switch (sdata->vif.type) { in ieee80211_check_fast_rx()
4132 if (sta->sta.tdls) { in ieee80211_check_fast_rx()
4143 if (sdata->u.mgd.use_4addr && !sta->sta.tdls) { in ieee80211_check_fast_rx()
4150 if (!sdata->u.mgd.powersave) in ieee80211_check_fast_rx()
4154 if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK)) in ieee80211_check_fast_rx()
4156 if (ieee80211_hw_check(&local->hw, SUPPORTS_PS) && in ieee80211_check_fast_rx()
4157 !ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS)) in ieee80211_check_fast_rx()
4162 /* parallel-rx requires this, at least with calls to in ieee80211_check_fast_rx()
4165 if (!ieee80211_hw_check(&local->hw, AP_LINK_PS)) in ieee80211_check_fast_rx()
4172 !(sdata->flags & IEEE80211_SDATA_DONT_BRIDGE_PACKETS) && in ieee80211_check_fast_rx()
4173 (sdata->vif.type != NL80211_IFTYPE_AP_VLAN || in ieee80211_check_fast_rx()
4174 !sdata->u.vlan.sta); in ieee80211_check_fast_rx()
4176 if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN && in ieee80211_check_fast_rx()
4177 sdata->u.vlan.sta) { in ieee80211_check_fast_rx()
4193 key = rcu_dereference(sta->ptk[sta->ptk_idx]); in ieee80211_check_fast_rx()
4195 switch (key->conf.cipher) { in ieee80211_check_fast_rx()
4197 /* we don't want to deal with MMIC in fast-rx */ in ieee80211_check_fast_rx()
4212 fastrx.icv_len = key->conf.icv_len; in ieee80211_check_fast_rx()
4224 spin_lock_bh(&sta->lock); in ieee80211_check_fast_rx()
4225 old = rcu_dereference_protected(sta->fast_rx, true); in ieee80211_check_fast_rx()
4226 rcu_assign_pointer(sta->fast_rx, new); in ieee80211_check_fast_rx()
4227 spin_unlock_bh(&sta->lock); in ieee80211_check_fast_rx()
4237 spin_lock_bh(&sta->lock); in ieee80211_clear_fast_rx()
4238 old = rcu_dereference_protected(sta->fast_rx, true); in ieee80211_clear_fast_rx()
4239 RCU_INIT_POINTER(sta->fast_rx, NULL); in ieee80211_clear_fast_rx()
4240 spin_unlock_bh(&sta->lock); in ieee80211_clear_fast_rx()
4248 struct ieee80211_local *local = sdata->local; in __ieee80211_check_fast_rx_iface()
4251 lockdep_assert_held(&local->sta_mtx); in __ieee80211_check_fast_rx_iface()
4253 list_for_each_entry(sta, &local->sta_list, list) { in __ieee80211_check_fast_rx_iface()
4254 if (sdata != sta->sdata && in __ieee80211_check_fast_rx_iface()
4255 (!sta->sdata->bss || sta->sdata->bss != sdata->bss)) in __ieee80211_check_fast_rx_iface()
4263 struct ieee80211_local *local = sdata->local; in ieee80211_check_fast_rx_iface()
4265 mutex_lock(&local->sta_mtx); in ieee80211_check_fast_rx_iface()
4267 mutex_unlock(&local->sta_mtx); in ieee80211_check_fast_rx_iface()
4273 struct sk_buff *skb = rx->skb; in ieee80211_invoke_fast_rx()
4274 struct ieee80211_hdr *hdr = (void *)skb->data; in ieee80211_invoke_fast_rx()
4276 struct sta_info *sta = rx->sta; in ieee80211_invoke_fast_rx()
4277 int orig_len = skb->len; in ieee80211_invoke_fast_rx()
4278 int hdrlen = ieee80211_hdrlen(hdr->frame_control); in ieee80211_invoke_fast_rx()
4288 struct ieee80211_sta_rx_stats *stats = &sta->rx_stats; in ieee80211_invoke_fast_rx()
4290 if (fast_rx->uses_rss) in ieee80211_invoke_fast_rx()
4291 stats = this_cpu_ptr(sta->pcpu_rx_stats); in ieee80211_invoke_fast_rx()
4293 /* for parallel-rx, we need to have DUP_VALIDATED, otherwise we write in ieee80211_invoke_fast_rx()
4297 if (!(status->flag & RX_FLAG_DUP_VALIDATED)) in ieee80211_invoke_fast_rx()
4303 * - PN_VALIDATED: similar, but the implementation is tricky in ieee80211_invoke_fast_rx()
4304 * - DECRYPTED: necessary for PN_VALIDATED in ieee80211_invoke_fast_rx()
4306 if (fast_rx->key && in ieee80211_invoke_fast_rx()
4307 (status->flag & FAST_RX_CRYPT_FLAGS) != FAST_RX_CRYPT_FLAGS) in ieee80211_invoke_fast_rx()
4310 if (unlikely(!ieee80211_is_data_present(hdr->frame_control))) in ieee80211_invoke_fast_rx()
4325 if (!ether_addr_equal(fast_rx->vif_addr, hdr->addr1)) in ieee80211_invoke_fast_rx()
4328 if ((hdr->frame_control & cpu_to_le16(IEEE80211_FCTL_FROMDS | in ieee80211_invoke_fast_rx()
4330 fast_rx->expected_ds_bits) in ieee80211_invoke_fast_rx()
4336 if (fast_rx->key && !(status->flag & RX_FLAG_IV_STRIPPED)) { in ieee80211_invoke_fast_rx()
4341 if (!(status->rx_flags & IEEE80211_RX_AMSDU)) { in ieee80211_invoke_fast_rx()
4345 payload = (void *)(skb->data + snap_offs); in ieee80211_invoke_fast_rx()
4347 if (!ether_addr_equal(payload->snap, fast_rx->rfc1042_hdr)) in ieee80211_invoke_fast_rx()
4352 * bridge-tunnel header - but if we get them this way then in ieee80211_invoke_fast_rx()
4355 if (unlikely(payload->proto == cpu_to_be16(ETH_P_TDLS) || in ieee80211_invoke_fast_rx()
4356 payload->proto == fast_rx->control_port_protocol)) in ieee80211_invoke_fast_rx()
4362 if (rx->key && !(status->flag & RX_FLAG_MIC_STRIPPED) && in ieee80211_invoke_fast_rx()
4363 pskb_trim(skb, skb->len - fast_rx->icv_len)) in ieee80211_invoke_fast_rx()
4367 if (!(status->flag & RX_FLAG_NO_SIGNAL_VAL)) { in ieee80211_invoke_fast_rx()
4368 stats->last_signal = status->signal; in ieee80211_invoke_fast_rx()
4369 if (!fast_rx->uses_rss) in ieee80211_invoke_fast_rx()
4370 ewma_signal_add(&sta->rx_stats_avg.signal, in ieee80211_invoke_fast_rx()
4371 -status->signal); in ieee80211_invoke_fast_rx()
4374 if (status->chains) { in ieee80211_invoke_fast_rx()
4377 stats->chains = status->chains; in ieee80211_invoke_fast_rx()
4378 for (i = 0; i < ARRAY_SIZE(status->chain_signal); i++) { in ieee80211_invoke_fast_rx()
4379 int signal = status->chain_signal[i]; in ieee80211_invoke_fast_rx()
4381 if (!(status->chains & BIT(i))) in ieee80211_invoke_fast_rx()
4384 stats->chain_signal_last[i] = signal; in ieee80211_invoke_fast_rx()
4385 if (!fast_rx->uses_rss) in ieee80211_invoke_fast_rx()
4386 ewma_signal_add(&sta->rx_stats_avg.chain_signal[i], in ieee80211_invoke_fast_rx()
4387 -signal); in ieee80211_invoke_fast_rx()
4392 if (rx->key && !ieee80211_has_protected(hdr->frame_control)) in ieee80211_invoke_fast_rx()
4395 if (status->rx_flags & IEEE80211_RX_AMSDU) { in ieee80211_invoke_fast_rx()
4396 if (__ieee80211_rx_h_amsdu(rx, snap_offs - hdrlen) != in ieee80211_invoke_fast_rx()
4403 stats->last_rx = jiffies; in ieee80211_invoke_fast_rx()
4404 stats->last_rate = sta_stats_encode_rate(status); in ieee80211_invoke_fast_rx()
4406 stats->fragments++; in ieee80211_invoke_fast_rx()
4407 stats->packets++; in ieee80211_invoke_fast_rx()
4409 /* do the header conversion - first grab the addresses */ in ieee80211_invoke_fast_rx()
4410 ether_addr_copy(addrs.da, skb->data + fast_rx->da_offs); in ieee80211_invoke_fast_rx()
4411 ether_addr_copy(addrs.sa, skb->data + fast_rx->sa_offs); in ieee80211_invoke_fast_rx()
4417 skb->dev = fast_rx->dev; in ieee80211_invoke_fast_rx()
4419 ieee80211_rx_stats(fast_rx->dev, skb->len); in ieee80211_invoke_fast_rx()
4423 * for non-QoS-data frames. Here we know it's a data in ieee80211_invoke_fast_rx()
4426 u64_stats_update_begin(&stats->syncp); in ieee80211_invoke_fast_rx()
4427 stats->msdu[rx->seqno_idx]++; in ieee80211_invoke_fast_rx()
4428 stats->bytes += orig_len; in ieee80211_invoke_fast_rx()
4429 u64_stats_update_end(&stats->syncp); in ieee80211_invoke_fast_rx()
4431 if (fast_rx->internal_forward) { in ieee80211_invoke_fast_rx()
4436 sta_info_get(rx->sdata, addrs.da)) { in ieee80211_invoke_fast_rx()
4447 xmit_skb->priority += 256; in ieee80211_invoke_fast_rx()
4448 xmit_skb->protocol = htons(ETH_P_802_3); in ieee80211_invoke_fast_rx()
4459 skb->protocol = eth_type_trans(skb, fast_rx->dev); in ieee80211_invoke_fast_rx()
4460 memset(skb->cb, 0, sizeof(skb->cb)); in ieee80211_invoke_fast_rx()
4461 if (rx->list) in ieee80211_invoke_fast_rx()
4462 list_add_tail(&skb->list, rx->list); in ieee80211_invoke_fast_rx()
4469 stats->dropped++; in ieee80211_invoke_fast_rx()
4482 struct ieee80211_local *local = rx->local; in ieee80211_prepare_and_rx_handle()
4483 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_prepare_and_rx_handle()
4485 rx->skb = skb; in ieee80211_prepare_and_rx_handle()
4487 /* See if we can do fast-rx; if we have to copy we already lost, in ieee80211_prepare_and_rx_handle()
4494 if (consume && rx->sta) { in ieee80211_prepare_and_rx_handle()
4497 fast_rx = rcu_dereference(rx->sta->fast_rx); in ieee80211_prepare_and_rx_handle()
4509 wiphy_debug(local->hw.wiphy, in ieee80211_prepare_and_rx_handle()
4511 sdata->name); in ieee80211_prepare_and_rx_handle()
4515 rx->skb = skb; in ieee80211_prepare_and_rx_handle()
4540 fc = ((struct ieee80211_hdr *)skb->data)->frame_control; in __ieee80211_rx_handle_packet()
4547 I802_DEBUG_INC(local->dot11ReceivedFragmentCount); in __ieee80211_rx_handle_packet()
4551 if (skb->len < ieee80211_hdrlen(fc)) in __ieee80211_rx_handle_packet()
4552 err = -ENOBUFS; in __ieee80211_rx_handle_packet()
4564 hdr = (struct ieee80211_hdr *)skb->data; in __ieee80211_rx_handle_packet()
4568 if (unlikely(ieee80211_is_probe_resp(hdr->frame_control) || in __ieee80211_rx_handle_packet()
4569 ieee80211_is_beacon(hdr->frame_control) || in __ieee80211_rx_handle_packet()
4570 ieee80211_is_s1g_beacon(hdr->frame_control))) in __ieee80211_rx_handle_packet()
4578 rx.sdata = rx.sta->sdata; in __ieee80211_rx_handle_packet()
4586 for_each_sta_info(local, hdr->addr2, sta, tmp) { in __ieee80211_rx_handle_packet()
4593 rx.sdata = prev_sta->sdata; in __ieee80211_rx_handle_packet()
4601 rx.sdata = prev_sta->sdata; in __ieee80211_rx_handle_packet()
4611 list_for_each_entry_rcu(sdata, &local->interfaces, list) { in __ieee80211_rx_handle_packet()
4615 if (sdata->vif.type == NL80211_IFTYPE_MONITOR || in __ieee80211_rx_handle_packet()
4616 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) in __ieee80211_rx_handle_packet()
4630 rx.sta = sta_info_get_bss(prev, hdr->addr2); in __ieee80211_rx_handle_packet()
4638 rx.sta = sta_info_get_bss(prev, hdr->addr2); in __ieee80211_rx_handle_packet()
4663 if (WARN_ON(status->band >= NUM_NL80211_BANDS)) in ieee80211_rx_list()
4666 sband = local->hw.wiphy->bands[status->band]; in ieee80211_rx_list()
4677 if (unlikely(local->quiescing || local->suspended)) in ieee80211_rx_list()
4681 if (unlikely(local->in_reconfig)) in ieee80211_rx_list()
4688 if (WARN_ON(!local->started)) in ieee80211_rx_list()
4691 if (likely(!(status->flag & RX_FLAG_FAILED_PLCP_CRC))) { in ieee80211_rx_list()
4697 switch (status->encoding) { in ieee80211_rx_list()
4700 * rate_idx is MCS index, which can be [0-76] in ieee80211_rx_list()
4709 if (WARN(status->rate_idx > 76, in ieee80211_rx_list()
4711 "status->rate_idx is not " in ieee80211_rx_list()
4712 "an MCS index [0-76]: %d (0x%02x)\n", in ieee80211_rx_list()
4713 status->rate_idx, in ieee80211_rx_list()
4714 status->rate_idx)) in ieee80211_rx_list()
4718 if (WARN_ONCE(status->rate_idx > 9 || in ieee80211_rx_list()
4719 !status->nss || in ieee80211_rx_list()
4720 status->nss > 8, in ieee80211_rx_list()
4722 status->rate_idx, status->nss)) in ieee80211_rx_list()
4726 if (WARN_ONCE(status->rate_idx > 11 || in ieee80211_rx_list()
4727 !status->nss || in ieee80211_rx_list()
4728 status->nss > 8, in ieee80211_rx_list()
4730 status->rate_idx, status->nss)) in ieee80211_rx_list()
4737 if (WARN_ON(status->rate_idx >= sband->n_bitrates)) in ieee80211_rx_list()
4739 rate = &sband->bitrates[status->rate_idx]; in ieee80211_rx_list()
4743 status->rx_flags = 0; in ieee80211_rx_list()
4756 ((struct ieee80211_hdr *)skb->data)->frame_control, in ieee80211_rx_list()
4757 skb->len); in ieee80211_rx_list()
4776 * and this requires that we are in a read-side RCU section during in ieee80211_rx_napi()
4801 BUILD_BUG_ON(sizeof(struct ieee80211_rx_status) > sizeof(skb->cb)); in ieee80211_rx_irqsafe()
4803 skb->pkt_type = IEEE80211_RX_MSG; in ieee80211_rx_irqsafe()
4804 skb_queue_tail(&local->skb_queue, skb); in ieee80211_rx_irqsafe()
4805 tasklet_schedule(&local->tasklet); in ieee80211_rx_irqsafe()