1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
10 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of version 2 of the GNU General Public License as
14 * published by the Free Software Foundation.
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
26 * The full GNU General Public License is included in this distribution
27 * in the file called COPYING.
29 * Contact Information:
30 * Intel Linux Wireless <linuxwifi@intel.com>
31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
35 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
36 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
37 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
38 * All rights reserved.
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
44 * * Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * * Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in
48 * the documentation and/or other materials provided with the
50 * * Neither the name Intel Corporation nor the names of its
51 * contributors may be used to endorse or promote products derived
52 * from this software without specific prior written permission.
54 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
55 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
56 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
57 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
58 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
59 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
60 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
64 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
66 *****************************************************************************/
67 #include <linux/kernel.h>
68 #include <linux/slab.h>
69 #include <linux/skbuff.h>
70 #include <linux/netdevice.h>
71 #include <linux/etherdevice.h>
73 #include <linux/if_arp.h>
74 #include <linux/time.h>
75 #include <net/mac80211.h>
76 #include <net/ieee80211_radiotap.h>
79 #include "iwl-op-mode.h"
83 #include "time-event.h"
84 #include "iwl-eeprom-parse.h"
85 #include "iwl-phy-db.h"
87 #include "fw/error-dump.h"
89 #include "iwl-nvm-parse.h"
92 static const struct ieee80211_iface_limit iwl_mvm_limits
[] = {
95 .types
= BIT(NL80211_IFTYPE_STATION
),
99 .types
= BIT(NL80211_IFTYPE_AP
) |
100 BIT(NL80211_IFTYPE_P2P_CLIENT
) |
101 BIT(NL80211_IFTYPE_P2P_GO
),
105 .types
= BIT(NL80211_IFTYPE_P2P_DEVICE
),
109 static const struct ieee80211_iface_combination iwl_mvm_iface_combinations
[] = {
111 .num_different_channels
= 2,
113 .limits
= iwl_mvm_limits
,
114 .n_limits
= ARRAY_SIZE(iwl_mvm_limits
),
118 #ifdef CONFIG_PM_SLEEP
119 static const struct nl80211_wowlan_tcp_data_token_feature
120 iwl_mvm_wowlan_tcp_token_feature
= {
123 .bufsize
= IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS
,
126 static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support
= {
127 .tok
= &iwl_mvm_wowlan_tcp_token_feature
,
128 .data_payload_max
= IWL_WOWLAN_TCP_MAX_PACKET_LEN
-
129 sizeof(struct ethhdr
) -
130 sizeof(struct iphdr
) -
131 sizeof(struct tcphdr
),
132 .data_interval_max
= 65535, /* __le16 in API */
133 .wake_payload_max
= IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN
-
134 sizeof(struct ethhdr
) -
135 sizeof(struct iphdr
) -
136 sizeof(struct tcphdr
),
141 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
143 * Use the reserved field to indicate magic values.
144 * these values will only be used internally by the driver,
145 * and won't make it to the fw (reserved will be 0).
146 * BC_FILTER_MAGIC_IP - configure the val of this attribute to
147 * be the vif's ip address. in case there is not a single
148 * ip address (0, or more than 1), this attribute will
150 * BC_FILTER_MAGIC_MAC - set the val of this attribute to
151 * the LSB bytes of the vif's mac address
154 BC_FILTER_MAGIC_NONE
= 0,
159 static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters
[] = {
163 .frame_type
= BCAST_FILTER_FRAME_TYPE_ALL
,
166 /* frame type - arp, hw type - ethernet */
168 BCAST_FILTER_OFFSET_PAYLOAD_START
,
169 .offset
= sizeof(rfc1042_header
),
170 .val
= cpu_to_be32(0x08060001),
171 .mask
= cpu_to_be32(0xffffffff),
176 BCAST_FILTER_OFFSET_PAYLOAD_START
,
177 .offset
= sizeof(rfc1042_header
) + 2 +
178 sizeof(struct arphdr
) +
179 ETH_ALEN
+ sizeof(__be32
) +
181 .mask
= cpu_to_be32(0xffffffff),
182 /* mark it as special field */
183 .reserved1
= cpu_to_le16(BC_FILTER_MAGIC_IP
),
188 /* dhcp offer bcast */
190 .frame_type
= BCAST_FILTER_FRAME_TYPE_IPV4
,
193 /* udp dest port - 68 (bootp client)*/
194 .offset_type
= BCAST_FILTER_OFFSET_IP_END
,
195 .offset
= offsetof(struct udphdr
, dest
),
196 .val
= cpu_to_be32(0x00440000),
197 .mask
= cpu_to_be32(0xffff0000),
200 /* dhcp - lsb bytes of client hw address */
201 .offset_type
= BCAST_FILTER_OFFSET_IP_END
,
203 .mask
= cpu_to_be32(0xffffffff),
204 /* mark it as special field */
205 .reserved1
= cpu_to_le16(BC_FILTER_MAGIC_MAC
),
209 /* last filter must be empty */
214 void iwl_mvm_ref(struct iwl_mvm
*mvm
, enum iwl_mvm_ref_type ref_type
)
216 if (!iwl_mvm_is_d0i3_supported(mvm
))
219 IWL_DEBUG_RPM(mvm
, "Take mvm reference - type %d\n", ref_type
);
220 spin_lock_bh(&mvm
->refs_lock
);
221 mvm
->refs
[ref_type
]++;
222 spin_unlock_bh(&mvm
->refs_lock
);
223 iwl_trans_ref(mvm
->trans
);
226 void iwl_mvm_unref(struct iwl_mvm
*mvm
, enum iwl_mvm_ref_type ref_type
)
228 if (!iwl_mvm_is_d0i3_supported(mvm
))
231 IWL_DEBUG_RPM(mvm
, "Leave mvm reference - type %d\n", ref_type
);
232 spin_lock_bh(&mvm
->refs_lock
);
233 if (WARN_ON(!mvm
->refs
[ref_type
])) {
234 spin_unlock_bh(&mvm
->refs_lock
);
237 mvm
->refs
[ref_type
]--;
238 spin_unlock_bh(&mvm
->refs_lock
);
239 iwl_trans_unref(mvm
->trans
);
242 static void iwl_mvm_unref_all_except(struct iwl_mvm
*mvm
,
243 enum iwl_mvm_ref_type except_ref
)
247 if (!iwl_mvm_is_d0i3_supported(mvm
))
250 spin_lock_bh(&mvm
->refs_lock
);
251 for (i
= 0; i
< IWL_MVM_REF_COUNT
; i
++) {
252 if (except_ref
== i
|| !mvm
->refs
[i
])
255 IWL_DEBUG_RPM(mvm
, "Cleanup: remove mvm ref type %d (%d)\n",
257 for (j
= 0; j
< mvm
->refs
[i
]; j
++)
258 iwl_trans_unref(mvm
->trans
);
261 spin_unlock_bh(&mvm
->refs_lock
);
264 bool iwl_mvm_ref_taken(struct iwl_mvm
*mvm
)
269 if (!iwl_mvm_is_d0i3_supported(mvm
))
272 spin_lock_bh(&mvm
->refs_lock
);
273 for (i
= 0; i
< IWL_MVM_REF_COUNT
; i
++) {
279 spin_unlock_bh(&mvm
->refs_lock
);
284 int iwl_mvm_ref_sync(struct iwl_mvm
*mvm
, enum iwl_mvm_ref_type ref_type
)
286 iwl_mvm_ref(mvm
, ref_type
);
288 if (!wait_event_timeout(mvm
->d0i3_exit_waitq
,
289 !test_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
),
292 iwl_mvm_unref(mvm
, ref_type
);
299 static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm
*mvm
)
303 memset(mvm
->phy_ctxts
, 0, sizeof(mvm
->phy_ctxts
));
304 for (i
= 0; i
< NUM_PHY_CTX
; i
++) {
305 mvm
->phy_ctxts
[i
].id
= i
;
306 mvm
->phy_ctxts
[i
].ref
= 0;
310 struct ieee80211_regdomain
*iwl_mvm_get_regdomain(struct wiphy
*wiphy
,
312 enum iwl_mcc_source src_id
,
315 struct ieee80211_regdomain
*regd
= NULL
;
316 struct ieee80211_hw
*hw
= wiphy_to_ieee80211_hw(wiphy
);
317 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
318 struct iwl_mcc_update_resp
*resp
;
320 IWL_DEBUG_LAR(mvm
, "Getting regdomain data for %s from FW\n", alpha2
);
322 lockdep_assert_held(&mvm
->mutex
);
324 resp
= iwl_mvm_update_mcc(mvm
, alpha2
, src_id
);
325 if (IS_ERR_OR_NULL(resp
)) {
326 IWL_DEBUG_LAR(mvm
, "Could not get update from FW %d\n",
327 PTR_ERR_OR_ZERO(resp
));
332 *changed
= (resp
->status
== MCC_RESP_NEW_CHAN_PROFILE
);
334 regd
= iwl_parse_nvm_mcc_info(mvm
->trans
->dev
, mvm
->cfg
,
335 __le32_to_cpu(resp
->n_channels
),
337 __le16_to_cpu(resp
->mcc
));
338 /* Store the return source id */
339 src_id
= resp
->source_id
;
341 if (IS_ERR_OR_NULL(regd
)) {
342 IWL_DEBUG_LAR(mvm
, "Could not get parse update from FW %d\n",
343 PTR_ERR_OR_ZERO(regd
));
347 IWL_DEBUG_LAR(mvm
, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n",
348 regd
->alpha2
, regd
->alpha2
[0], regd
->alpha2
[1], src_id
);
349 mvm
->lar_regdom_set
= true;
350 mvm
->mcc_src
= src_id
;
356 void iwl_mvm_update_changed_regdom(struct iwl_mvm
*mvm
)
359 struct ieee80211_regdomain
*regd
;
361 if (!iwl_mvm_is_lar_supported(mvm
))
364 regd
= iwl_mvm_get_current_regdomain(mvm
, &changed
);
365 if (!IS_ERR_OR_NULL(regd
)) {
366 /* only update the regulatory core if changed */
368 regulatory_set_wiphy_regd(mvm
->hw
->wiphy
, regd
);
374 struct ieee80211_regdomain
*iwl_mvm_get_current_regdomain(struct iwl_mvm
*mvm
,
377 return iwl_mvm_get_regdomain(mvm
->hw
->wiphy
, "ZZ",
378 iwl_mvm_is_wifi_mcc_supported(mvm
) ?
379 MCC_SOURCE_GET_CURRENT
:
380 MCC_SOURCE_OLD_FW
, changed
);
383 int iwl_mvm_init_fw_regd(struct iwl_mvm
*mvm
)
385 enum iwl_mcc_source used_src
;
386 struct ieee80211_regdomain
*regd
;
389 const struct ieee80211_regdomain
*r
=
390 rtnl_dereference(mvm
->hw
->wiphy
->regd
);
395 /* save the last source in case we overwrite it below */
396 used_src
= mvm
->mcc_src
;
397 if (iwl_mvm_is_wifi_mcc_supported(mvm
)) {
398 /* Notify the firmware we support wifi location updates */
399 regd
= iwl_mvm_get_current_regdomain(mvm
, NULL
);
400 if (!IS_ERR_OR_NULL(regd
))
404 /* Now set our last stored MCC and source */
405 regd
= iwl_mvm_get_regdomain(mvm
->hw
->wiphy
, r
->alpha2
, used_src
,
407 if (IS_ERR_OR_NULL(regd
))
410 /* update cfg80211 if the regdomain was changed */
412 ret
= regulatory_set_wiphy_regd_sync_rtnl(mvm
->hw
->wiphy
, regd
);
420 int iwl_mvm_mac_setup_register(struct iwl_mvm
*mvm
)
422 struct ieee80211_hw
*hw
= mvm
->hw
;
424 static const u32 mvm_ciphers
[] = {
425 WLAN_CIPHER_SUITE_WEP40
,
426 WLAN_CIPHER_SUITE_WEP104
,
427 WLAN_CIPHER_SUITE_TKIP
,
428 WLAN_CIPHER_SUITE_CCMP
,
431 /* Tell mac80211 our characteristics */
432 ieee80211_hw_set(hw
, SIGNAL_DBM
);
433 ieee80211_hw_set(hw
, SPECTRUM_MGMT
);
434 ieee80211_hw_set(hw
, REPORTS_TX_ACK_STATUS
);
435 ieee80211_hw_set(hw
, QUEUE_CONTROL
);
436 ieee80211_hw_set(hw
, WANT_MONITOR_VIF
);
437 ieee80211_hw_set(hw
, SUPPORTS_PS
);
438 ieee80211_hw_set(hw
, SUPPORTS_DYNAMIC_PS
);
439 ieee80211_hw_set(hw
, AMPDU_AGGREGATION
);
440 ieee80211_hw_set(hw
, TIMING_BEACON_ONLY
);
441 ieee80211_hw_set(hw
, CONNECTION_MONITOR
);
442 ieee80211_hw_set(hw
, CHANCTX_STA_CSA
);
443 ieee80211_hw_set(hw
, SUPPORT_FAST_XMIT
);
444 ieee80211_hw_set(hw
, SUPPORTS_CLONED_SKBS
);
445 ieee80211_hw_set(hw
, SUPPORTS_AMSDU_IN_AMPDU
);
446 ieee80211_hw_set(hw
, NEEDS_UNIQUE_STA_ADDR
);
447 if (iwl_mvm_has_new_rx_api(mvm
))
448 ieee80211_hw_set(hw
, SUPPORTS_REORDERING_BUFFER
);
449 if (fw_has_capa(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_CAPA_STA_PM_NOTIF
))
450 ieee80211_hw_set(hw
, AP_LINK_PS
);
452 if (mvm
->trans
->num_rx_queues
> 1)
453 ieee80211_hw_set(hw
, USES_RSS
);
455 if (mvm
->trans
->max_skb_frags
)
456 hw
->netdev_features
= NETIF_F_HIGHDMA
| NETIF_F_SG
;
458 if (!iwl_mvm_is_dqa_supported(mvm
))
459 hw
->queues
= mvm
->first_agg_queue
;
461 hw
->queues
= IEEE80211_MAX_QUEUES
;
462 hw
->offchannel_tx_hw_queue
= IWL_MVM_OFFCHANNEL_QUEUE
;
463 hw
->radiotap_mcs_details
|= IEEE80211_RADIOTAP_MCS_HAVE_FEC
|
464 IEEE80211_RADIOTAP_MCS_HAVE_STBC
;
465 hw
->radiotap_vht_details
|= IEEE80211_RADIOTAP_VHT_KNOWN_STBC
|
466 IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED
;
468 hw
->radiotap_timestamp
.units_pos
=
469 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US
|
470 IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ
;
471 /* this is the case for CCK frames, it's better (only 8) for OFDM */
472 hw
->radiotap_timestamp
.accuracy
= 22;
474 hw
->rate_control_algorithm
= "iwl-mvm-rs";
475 hw
->uapsd_queues
= IWL_MVM_UAPSD_QUEUES
;
476 hw
->uapsd_max_sp_len
= IWL_UAPSD_MAX_SP
;
478 BUILD_BUG_ON(ARRAY_SIZE(mvm
->ciphers
) < ARRAY_SIZE(mvm_ciphers
) + 6);
479 memcpy(mvm
->ciphers
, mvm_ciphers
, sizeof(mvm_ciphers
));
480 hw
->wiphy
->n_cipher_suites
= ARRAY_SIZE(mvm_ciphers
);
481 hw
->wiphy
->cipher_suites
= mvm
->ciphers
;
483 if (iwl_mvm_has_new_rx_api(mvm
)) {
484 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] =
485 WLAN_CIPHER_SUITE_GCMP
;
486 hw
->wiphy
->n_cipher_suites
++;
487 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] =
488 WLAN_CIPHER_SUITE_GCMP_256
;
489 hw
->wiphy
->n_cipher_suites
++;
492 /* Enable 11w if software crypto is not enabled (as the
493 * firmware will interpret some mgmt packets, so enabling it
494 * with software crypto isn't safe).
496 if (!iwlwifi_mod_params
.swcrypto
) {
497 ieee80211_hw_set(hw
, MFP_CAPABLE
);
498 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] =
499 WLAN_CIPHER_SUITE_AES_CMAC
;
500 hw
->wiphy
->n_cipher_suites
++;
501 if (iwl_mvm_has_new_rx_api(mvm
)) {
502 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] =
503 WLAN_CIPHER_SUITE_BIP_GMAC_128
;
504 hw
->wiphy
->n_cipher_suites
++;
505 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] =
506 WLAN_CIPHER_SUITE_BIP_GMAC_256
;
507 hw
->wiphy
->n_cipher_suites
++;
511 /* currently FW API supports only one optional cipher scheme */
512 if (mvm
->fw
->cs
[0].cipher
) {
513 const struct iwl_fw_cipher_scheme
*fwcs
= &mvm
->fw
->cs
[0];
514 struct ieee80211_cipher_scheme
*cs
= &mvm
->cs
[0];
516 mvm
->hw
->n_cipher_schemes
= 1;
518 cs
->cipher
= le32_to_cpu(fwcs
->cipher
);
519 cs
->iftype
= BIT(NL80211_IFTYPE_STATION
);
520 cs
->hdr_len
= fwcs
->hdr_len
;
521 cs
->pn_len
= fwcs
->pn_len
;
522 cs
->pn_off
= fwcs
->pn_off
;
523 cs
->key_idx_off
= fwcs
->key_idx_off
;
524 cs
->key_idx_mask
= fwcs
->key_idx_mask
;
525 cs
->key_idx_shift
= fwcs
->key_idx_shift
;
526 cs
->mic_len
= fwcs
->mic_len
;
528 mvm
->hw
->cipher_schemes
= mvm
->cs
;
529 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] = cs
->cipher
;
530 hw
->wiphy
->n_cipher_suites
++;
533 ieee80211_hw_set(hw
, SINGLE_SCAN_ON_ALL_BANDS
);
534 hw
->wiphy
->features
|=
535 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
|
536 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
|
537 NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
539 hw
->sta_data_size
= sizeof(struct iwl_mvm_sta
);
540 hw
->vif_data_size
= sizeof(struct iwl_mvm_vif
);
541 hw
->chanctx_data_size
= sizeof(u16
);
543 hw
->wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
) |
544 BIT(NL80211_IFTYPE_P2P_CLIENT
) |
545 BIT(NL80211_IFTYPE_AP
) |
546 BIT(NL80211_IFTYPE_P2P_GO
) |
547 BIT(NL80211_IFTYPE_P2P_DEVICE
) |
548 BIT(NL80211_IFTYPE_ADHOC
);
550 hw
->wiphy
->flags
|= WIPHY_FLAG_IBSS_RSN
;
551 hw
->wiphy
->regulatory_flags
|= REGULATORY_ENABLE_RELAX_NO_IR
;
552 if (iwl_mvm_is_lar_supported(mvm
))
553 hw
->wiphy
->regulatory_flags
|= REGULATORY_WIPHY_SELF_MANAGED
;
555 hw
->wiphy
->regulatory_flags
|= REGULATORY_CUSTOM_REG
|
556 REGULATORY_DISABLE_BEACON_HINTS
;
558 hw
->wiphy
->flags
|= WIPHY_FLAG_AP_UAPSD
;
559 hw
->wiphy
->flags
|= WIPHY_FLAG_HAS_CHANNEL_SWITCH
;
561 hw
->wiphy
->iface_combinations
= iwl_mvm_iface_combinations
;
562 hw
->wiphy
->n_iface_combinations
=
563 ARRAY_SIZE(iwl_mvm_iface_combinations
);
565 hw
->wiphy
->max_remain_on_channel_duration
= 10000;
566 hw
->max_listen_interval
= IWL_CONN_MAX_LISTEN_INTERVAL
;
567 /* we can compensate an offset of up to 3 channels = 15 MHz */
568 hw
->wiphy
->max_adj_channel_rssi_comp
= 3 * 5;
570 /* Extract MAC address */
571 memcpy(mvm
->addresses
[0].addr
, mvm
->nvm_data
->hw_addr
, ETH_ALEN
);
572 hw
->wiphy
->addresses
= mvm
->addresses
;
573 hw
->wiphy
->n_addresses
= 1;
575 /* Extract additional MAC addresses if available */
576 num_mac
= (mvm
->nvm_data
->n_hw_addrs
> 1) ?
577 min(IWL_MVM_MAX_ADDRESSES
, mvm
->nvm_data
->n_hw_addrs
) : 1;
579 for (i
= 1; i
< num_mac
; i
++) {
580 memcpy(mvm
->addresses
[i
].addr
, mvm
->addresses
[i
-1].addr
,
582 mvm
->addresses
[i
].addr
[5]++;
583 hw
->wiphy
->n_addresses
++;
586 iwl_mvm_reset_phy_ctxts(mvm
);
588 hw
->wiphy
->max_scan_ie_len
= iwl_mvm_max_scan_ie_len(mvm
);
590 hw
->wiphy
->max_scan_ssids
= PROBE_OPTION_MAX
;
592 BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK
& IWL_MVM_SCAN_MASK
);
593 BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS
> HWEIGHT32(IWL_MVM_SCAN_MASK
) ||
594 IWL_MVM_MAX_LMAC_SCANS
> HWEIGHT32(IWL_MVM_SCAN_MASK
));
596 if (fw_has_capa(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_CAPA_UMAC_SCAN
))
597 mvm
->max_scans
= IWL_MVM_MAX_UMAC_SCANS
;
599 mvm
->max_scans
= IWL_MVM_MAX_LMAC_SCANS
;
601 if (mvm
->nvm_data
->bands
[NL80211_BAND_2GHZ
].n_channels
)
602 hw
->wiphy
->bands
[NL80211_BAND_2GHZ
] =
603 &mvm
->nvm_data
->bands
[NL80211_BAND_2GHZ
];
604 if (mvm
->nvm_data
->bands
[NL80211_BAND_5GHZ
].n_channels
) {
605 hw
->wiphy
->bands
[NL80211_BAND_5GHZ
] =
606 &mvm
->nvm_data
->bands
[NL80211_BAND_5GHZ
];
608 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
609 IWL_UCODE_TLV_CAPA_BEAMFORMER
) &&
610 fw_has_api(&mvm
->fw
->ucode_capa
,
611 IWL_UCODE_TLV_API_LQ_SS_PARAMS
))
612 hw
->wiphy
->bands
[NL80211_BAND_5GHZ
]->vht_cap
.cap
|=
613 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE
;
616 hw
->wiphy
->hw_version
= mvm
->trans
->hw_id
;
618 if (iwlmvm_mod_params
.power_scheme
!= IWL_POWER_SCHEME_CAM
)
619 hw
->wiphy
->flags
|= WIPHY_FLAG_PS_ON_BY_DEFAULT
;
621 hw
->wiphy
->flags
&= ~WIPHY_FLAG_PS_ON_BY_DEFAULT
;
623 hw
->wiphy
->max_sched_scan_reqs
= 1;
624 hw
->wiphy
->max_sched_scan_ssids
= PROBE_OPTION_MAX
;
625 hw
->wiphy
->max_match_sets
= IWL_SCAN_MAX_PROFILES
;
626 /* we create the 802.11 header and zero length SSID IE. */
627 hw
->wiphy
->max_sched_scan_ie_len
=
628 SCAN_OFFLOAD_PROBE_REQ_SIZE
- 24 - 2;
629 hw
->wiphy
->max_sched_scan_plans
= IWL_MAX_SCHED_SCAN_PLANS
;
630 hw
->wiphy
->max_sched_scan_plan_interval
= U16_MAX
;
633 * the firmware uses u8 for num of iterations, but 0xff is saved for
634 * infinite loop, so the maximum number of iterations is actually 254.
636 hw
->wiphy
->max_sched_scan_plan_iterations
= 254;
638 hw
->wiphy
->features
|= NL80211_FEATURE_P2P_GO_CTWIN
|
639 NL80211_FEATURE_LOW_PRIORITY_SCAN
|
640 NL80211_FEATURE_P2P_GO_OPPPS
|
641 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE
|
642 NL80211_FEATURE_DYNAMIC_SMPS
|
643 NL80211_FEATURE_STATIC_SMPS
|
644 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
;
646 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
647 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT
))
648 hw
->wiphy
->features
|= NL80211_FEATURE_TX_POWER_INSERTION
;
649 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
650 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT
))
651 hw
->wiphy
->features
|= NL80211_FEATURE_QUIET
;
653 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
654 IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT
))
655 hw
->wiphy
->features
|=
656 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
;
658 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
659 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT
))
660 hw
->wiphy
->features
|= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES
;
662 if (fw_has_api(&mvm
->fw
->ucode_capa
,
663 IWL_UCODE_TLV_API_SCAN_TSF_REPORT
)) {
664 wiphy_ext_feature_set(hw
->wiphy
,
665 NL80211_EXT_FEATURE_SCAN_START_TIME
);
666 wiphy_ext_feature_set(hw
->wiphy
,
667 NL80211_EXT_FEATURE_BSS_PARENT_TSF
);
668 wiphy_ext_feature_set(hw
->wiphy
,
669 NL80211_EXT_FEATURE_SET_SCAN_DWELL
);
672 mvm
->rts_threshold
= IEEE80211_MAX_RTS_THRESHOLD
;
674 #ifdef CONFIG_PM_SLEEP
675 if (iwl_mvm_is_d0i3_supported(mvm
) &&
676 device_can_wakeup(mvm
->trans
->dev
)) {
677 mvm
->wowlan
.flags
= WIPHY_WOWLAN_ANY
;
678 hw
->wiphy
->wowlan
= &mvm
->wowlan
;
681 if (mvm
->fw
->img
[IWL_UCODE_WOWLAN
].num_sec
&&
682 mvm
->trans
->ops
->d3_suspend
&&
683 mvm
->trans
->ops
->d3_resume
&&
684 device_can_wakeup(mvm
->trans
->dev
)) {
685 mvm
->wowlan
.flags
|= WIPHY_WOWLAN_MAGIC_PKT
|
686 WIPHY_WOWLAN_DISCONNECT
|
687 WIPHY_WOWLAN_EAP_IDENTITY_REQ
|
688 WIPHY_WOWLAN_RFKILL_RELEASE
|
689 WIPHY_WOWLAN_NET_DETECT
;
690 if (!iwlwifi_mod_params
.swcrypto
)
691 mvm
->wowlan
.flags
|= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
|
692 WIPHY_WOWLAN_GTK_REKEY_FAILURE
|
693 WIPHY_WOWLAN_4WAY_HANDSHAKE
;
695 mvm
->wowlan
.n_patterns
= IWL_WOWLAN_MAX_PATTERNS
;
696 mvm
->wowlan
.pattern_min_len
= IWL_WOWLAN_MIN_PATTERN_LEN
;
697 mvm
->wowlan
.pattern_max_len
= IWL_WOWLAN_MAX_PATTERN_LEN
;
698 mvm
->wowlan
.max_nd_match_sets
= IWL_SCAN_MAX_PROFILES
;
699 mvm
->wowlan
.tcp
= &iwl_mvm_wowlan_tcp_support
;
700 hw
->wiphy
->wowlan
= &mvm
->wowlan
;
704 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
705 /* assign default bcast filtering configuration */
706 mvm
->bcast_filters
= iwl_mvm_default_bcast_filters
;
709 ret
= iwl_mvm_leds_init(mvm
);
713 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
714 IWL_UCODE_TLV_CAPA_TDLS_SUPPORT
)) {
715 IWL_DEBUG_TDLS(mvm
, "TDLS supported\n");
716 hw
->wiphy
->flags
|= WIPHY_FLAG_SUPPORTS_TDLS
;
717 ieee80211_hw_set(hw
, TDLS_WIDER_BW
);
720 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
721 IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH
)) {
722 IWL_DEBUG_TDLS(mvm
, "TDLS channel switch supported\n");
723 hw
->wiphy
->features
|= NL80211_FEATURE_TDLS_CHANNEL_SWITCH
;
726 hw
->netdev_features
|= mvm
->cfg
->features
;
727 if (!iwl_mvm_is_csum_supported(mvm
)) {
728 hw
->netdev_features
&= ~(IWL_TX_CSUM_NETIF_FLAGS
|
730 /* We may support SW TX CSUM */
731 if (IWL_MVM_SW_TX_CSUM_OFFLOAD
)
732 hw
->netdev_features
|= IWL_TX_CSUM_NETIF_FLAGS
;
735 ret
= ieee80211_register_hw(mvm
->hw
);
737 iwl_mvm_leds_exit(mvm
);
738 mvm
->init_status
|= IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE
;
740 if (mvm
->cfg
->vht_mu_mimo_supported
)
741 wiphy_ext_feature_set(hw
->wiphy
,
742 NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER
);
747 static bool iwl_mvm_defer_tx(struct iwl_mvm
*mvm
,
748 struct ieee80211_sta
*sta
,
751 struct iwl_mvm_sta
*mvmsta
;
755 * double check the IN_D0I3 flag both before and after
756 * taking the spinlock, in order to prevent taking
757 * the spinlock when not needed.
759 if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
)))
762 spin_lock(&mvm
->d0i3_tx_lock
);
764 * testing the flag again ensures the skb dequeue
765 * loop (on d0i3 exit) hasn't run yet.
767 if (!test_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
))
770 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
771 if (mvmsta
->sta_id
== IWL_MVM_INVALID_STA
||
772 mvmsta
->sta_id
!= mvm
->d0i3_ap_sta_id
)
775 __skb_queue_tail(&mvm
->d0i3_tx
, skb
);
776 ieee80211_stop_queues(mvm
->hw
);
779 iwl_mvm_ref(mvm
, IWL_MVM_REF_TX
);
780 iwl_mvm_unref(mvm
, IWL_MVM_REF_TX
);
784 spin_unlock(&mvm
->d0i3_tx_lock
);
788 static void iwl_mvm_mac_tx(struct ieee80211_hw
*hw
,
789 struct ieee80211_tx_control
*control
,
792 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
793 struct ieee80211_sta
*sta
= control
->sta
;
794 struct ieee80211_tx_info
*info
= IEEE80211_SKB_CB(skb
);
795 struct ieee80211_hdr
*hdr
= (void *)skb
->data
;
797 if (iwl_mvm_is_radio_killed(mvm
)) {
798 IWL_DEBUG_DROP(mvm
, "Dropping - RF/CT KILL\n");
802 if (IEEE80211_SKB_CB(skb
)->hw_queue
== IWL_MVM_OFFCHANNEL_QUEUE
&&
803 !test_bit(IWL_MVM_STATUS_ROC_RUNNING
, &mvm
->status
) &&
804 !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING
, &mvm
->status
))
807 /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */
808 if (unlikely(info
->flags
& IEEE80211_TX_CTL_NO_PS_BUFFER
&&
809 ieee80211_is_mgmt(hdr
->frame_control
) &&
810 !ieee80211_is_deauth(hdr
->frame_control
) &&
811 !ieee80211_is_disassoc(hdr
->frame_control
) &&
812 !ieee80211_is_action(hdr
->frame_control
)))
816 if (iwl_mvm_defer_tx(mvm
, sta
, skb
))
818 if (iwl_mvm_tx_skb(mvm
, skb
, sta
))
823 if (iwl_mvm_tx_skb_non_sta(mvm
, skb
))
827 ieee80211_free_txskb(hw
, skb
);
830 static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg
*cfg
)
832 if (iwlwifi_mod_params
.disable_11n
& IWL_DISABLE_HT_RXAGG
)
837 static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg
*cfg
)
839 if (iwlwifi_mod_params
.disable_11n
& IWL_DISABLE_HT_TXAGG
)
841 if (iwlwifi_mod_params
.disable_11n
& IWL_ENABLE_HT_TXAGG
)
844 /* enabled by default */
848 #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \
850 if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \
852 iwl_mvm_fw_dbg_collect_trig(_mvm, _trig, _fmt); \
856 iwl_mvm_ampdu_check_trigger(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
857 struct ieee80211_sta
*sta
, u16 tid
, u16 rx_ba_ssn
,
858 enum ieee80211_ampdu_mlme_action action
)
860 struct iwl_fw_dbg_trigger_tlv
*trig
;
861 struct iwl_fw_dbg_trigger_ba
*ba_trig
;
863 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_BA
))
866 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_BA
);
867 ba_trig
= (void *)trig
->data
;
869 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
873 case IEEE80211_AMPDU_TX_OPERATIONAL
: {
874 struct iwl_mvm_sta
*mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
875 struct iwl_mvm_tid_data
*tid_data
= &mvmsta
->tid_data
[tid
];
877 CHECK_BA_TRIGGER(mvm
, trig
, ba_trig
->tx_ba_start
, tid
,
878 "TX AGG START: MAC %pM tid %d ssn %d\n",
879 sta
->addr
, tid
, tid_data
->ssn
);
882 case IEEE80211_AMPDU_TX_STOP_CONT
:
883 CHECK_BA_TRIGGER(mvm
, trig
, ba_trig
->tx_ba_stop
, tid
,
884 "TX AGG STOP: MAC %pM tid %d\n",
887 case IEEE80211_AMPDU_RX_START
:
888 CHECK_BA_TRIGGER(mvm
, trig
, ba_trig
->rx_ba_start
, tid
,
889 "RX AGG START: MAC %pM tid %d ssn %d\n",
890 sta
->addr
, tid
, rx_ba_ssn
);
892 case IEEE80211_AMPDU_RX_STOP
:
893 CHECK_BA_TRIGGER(mvm
, trig
, ba_trig
->rx_ba_stop
, tid
,
894 "RX AGG STOP: MAC %pM tid %d\n",
902 static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw
*hw
,
903 struct ieee80211_vif
*vif
,
904 struct ieee80211_ampdu_params
*params
)
906 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
908 bool tx_agg_ref
= false;
909 struct ieee80211_sta
*sta
= params
->sta
;
910 enum ieee80211_ampdu_mlme_action action
= params
->action
;
911 u16 tid
= params
->tid
;
912 u16
*ssn
= ¶ms
->ssn
;
913 u8 buf_size
= params
->buf_size
;
914 bool amsdu
= params
->amsdu
;
915 u16 timeout
= params
->timeout
;
917 IWL_DEBUG_HT(mvm
, "A-MPDU action on addr %pM tid %d: action %d\n",
918 sta
->addr
, tid
, action
);
920 if (!(mvm
->nvm_data
->sku_cap_11n_enable
))
923 /* return from D0i3 before starting a new Tx aggregation */
925 case IEEE80211_AMPDU_TX_START
:
926 case IEEE80211_AMPDU_TX_STOP_CONT
:
927 case IEEE80211_AMPDU_TX_STOP_FLUSH
:
928 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT
:
929 case IEEE80211_AMPDU_TX_OPERATIONAL
:
931 * for tx start, wait synchronously until D0i3 exit to
932 * get the correct sequence number for the tid.
933 * additionally, some other ampdu actions use direct
934 * target access, which is not handled automatically
935 * by the trans layer (unlike commands), so wait for
936 * d0i3 exit in these cases as well.
938 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_TX_AGG
);
948 mutex_lock(&mvm
->mutex
);
951 case IEEE80211_AMPDU_RX_START
:
952 if (!iwl_enable_rx_ampdu(mvm
->cfg
)) {
956 ret
= iwl_mvm_sta_rx_agg(mvm
, sta
, tid
, *ssn
, true, buf_size
,
959 case IEEE80211_AMPDU_RX_STOP
:
960 ret
= iwl_mvm_sta_rx_agg(mvm
, sta
, tid
, 0, false, buf_size
,
963 case IEEE80211_AMPDU_TX_START
:
964 if (!iwl_enable_tx_ampdu(mvm
->cfg
)) {
968 ret
= iwl_mvm_sta_tx_agg_start(mvm
, vif
, sta
, tid
, ssn
);
970 case IEEE80211_AMPDU_TX_STOP_CONT
:
971 ret
= iwl_mvm_sta_tx_agg_stop(mvm
, vif
, sta
, tid
);
973 case IEEE80211_AMPDU_TX_STOP_FLUSH
:
974 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT
:
975 ret
= iwl_mvm_sta_tx_agg_flush(mvm
, vif
, sta
, tid
);
977 case IEEE80211_AMPDU_TX_OPERATIONAL
:
978 ret
= iwl_mvm_sta_tx_agg_oper(mvm
, vif
, sta
, tid
,
990 if (action
== IEEE80211_AMPDU_RX_START
)
993 iwl_mvm_ampdu_check_trigger(mvm
, vif
, sta
, tid
,
996 mutex_unlock(&mvm
->mutex
);
999 * If the tid is marked as started, we won't use it for offloaded
1000 * traffic on the next D0i3 entry. It's safe to unref.
1003 iwl_mvm_unref(mvm
, IWL_MVM_REF_TX_AGG
);
1008 static void iwl_mvm_cleanup_iterator(void *data
, u8
*mac
,
1009 struct ieee80211_vif
*vif
)
1011 struct iwl_mvm
*mvm
= data
;
1012 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1014 mvmvif
->uploaded
= false;
1015 mvmvif
->ap_sta_id
= IWL_MVM_INVALID_STA
;
1017 spin_lock_bh(&mvm
->time_event_lock
);
1018 iwl_mvm_te_clear_data(mvm
, &mvmvif
->time_event_data
);
1019 spin_unlock_bh(&mvm
->time_event_lock
);
1021 mvmvif
->phy_ctxt
= NULL
;
1022 memset(&mvmvif
->bf_data
, 0, sizeof(mvmvif
->bf_data
));
1025 static void iwl_mvm_restart_cleanup(struct iwl_mvm
*mvm
)
1027 /* clear the D3 reconfig, we only need it to avoid dumping a
1028 * firmware coredump on reconfiguration, we shouldn't do that
1029 * on D3->D0 transition
1031 if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG
, &mvm
->status
)) {
1032 mvm
->fw_dump_desc
= &iwl_mvm_dump_desc_assert
;
1033 iwl_mvm_fw_error_dump(mvm
);
1036 /* cleanup all stale references (scan, roc), but keep the
1037 * ucode_down ref until reconfig is complete
1039 iwl_mvm_unref_all_except(mvm
, IWL_MVM_REF_UCODE_DOWN
);
1041 iwl_mvm_stop_device(mvm
);
1043 mvm
->scan_status
= 0;
1044 mvm
->ps_disabled
= false;
1045 mvm
->calibrating
= false;
1047 /* just in case one was running */
1048 iwl_mvm_cleanup_roc_te(mvm
);
1049 ieee80211_remain_on_channel_expired(mvm
->hw
);
1052 * cleanup all interfaces, even inactive ones, as some might have
1053 * gone down during the HW restart
1055 ieee80211_iterate_interfaces(mvm
->hw
, 0, iwl_mvm_cleanup_iterator
, mvm
);
1057 mvm
->p2p_device_vif
= NULL
;
1058 mvm
->d0i3_ap_sta_id
= IWL_MVM_INVALID_STA
;
1060 iwl_mvm_reset_phy_ctxts(mvm
);
1061 memset(mvm
->fw_key_table
, 0, sizeof(mvm
->fw_key_table
));
1062 memset(mvm
->sta_drained
, 0, sizeof(mvm
->sta_drained
));
1063 memset(mvm
->sta_deferred_frames
, 0, sizeof(mvm
->sta_deferred_frames
));
1064 memset(mvm
->tfd_drained
, 0, sizeof(mvm
->tfd_drained
));
1065 memset(&mvm
->last_bt_notif
, 0, sizeof(mvm
->last_bt_notif
));
1066 memset(&mvm
->last_bt_ci_cmd
, 0, sizeof(mvm
->last_bt_ci_cmd
));
1068 ieee80211_wake_queues(mvm
->hw
);
1070 /* clear any stale d0i3 state */
1071 clear_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
);
1074 mvm
->rx_ba_sessions
= 0;
1075 mvm
->fw_dbg_conf
= FW_DBG_INVALID
;
1077 /* keep statistics ticking */
1078 iwl_mvm_accu_radio_stats(mvm
);
1081 int __iwl_mvm_mac_start(struct iwl_mvm
*mvm
)
1085 lockdep_assert_held(&mvm
->mutex
);
1087 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
)) {
1088 /* Clean up some internal and mac80211 state on restart */
1089 iwl_mvm_restart_cleanup(mvm
);
1091 /* Hold the reference to prevent runtime suspend while
1092 * the start procedure runs. It's a bit confusing
1093 * that the UCODE_DOWN reference is taken, but it just
1094 * means "UCODE is not UP yet". ( TODO: rename this
1097 iwl_mvm_ref(mvm
, IWL_MVM_REF_UCODE_DOWN
);
1099 ret
= iwl_mvm_up(mvm
);
1101 if (ret
&& test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
)) {
1102 /* Something went wrong - we need to finish some cleanup
1103 * that normally iwl_mvm_mac_restart_complete() below
1106 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
);
1107 iwl_mvm_d0i3_enable_tx(mvm
, NULL
);
1113 static int iwl_mvm_mac_start(struct ieee80211_hw
*hw
)
1115 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1118 /* Some hw restart cleanups must not hold the mutex */
1119 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
)) {
1121 * Make sure we are out of d0i3. This is needed
1122 * to make sure the reference accounting is correct
1123 * (and there is no stale d0i3_exit_work).
1125 wait_event_timeout(mvm
->d0i3_exit_waitq
,
1126 !test_bit(IWL_MVM_STATUS_IN_D0I3
,
1131 mutex_lock(&mvm
->mutex
);
1132 ret
= __iwl_mvm_mac_start(mvm
);
1133 mutex_unlock(&mvm
->mutex
);
1138 static void iwl_mvm_restart_complete(struct iwl_mvm
*mvm
)
1142 mutex_lock(&mvm
->mutex
);
1144 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
);
1145 iwl_mvm_d0i3_enable_tx(mvm
, NULL
);
1146 ret
= iwl_mvm_update_quotas(mvm
, true, NULL
);
1148 IWL_ERR(mvm
, "Failed to update quotas after restart (%d)\n",
1151 /* allow transport/FW low power modes */
1152 iwl_mvm_unref(mvm
, IWL_MVM_REF_UCODE_DOWN
);
1155 * If we have TDLS peers, remove them. We don't know the last seqno/PN
1156 * of packets the FW sent out, so we must reconnect.
1158 iwl_mvm_teardown_tdls_peers(mvm
);
1160 mutex_unlock(&mvm
->mutex
);
1163 static void iwl_mvm_resume_complete(struct iwl_mvm
*mvm
)
1165 if (iwl_mvm_is_d0i3_supported(mvm
) &&
1166 iwl_mvm_enter_d0i3_on_suspend(mvm
))
1167 WARN_ONCE(!wait_event_timeout(mvm
->d0i3_exit_waitq
,
1168 !test_bit(IWL_MVM_STATUS_IN_D0I3
,
1171 "D0i3 exit on resume timed out\n");
1175 iwl_mvm_mac_reconfig_complete(struct ieee80211_hw
*hw
,
1176 enum ieee80211_reconfig_type reconfig_type
)
1178 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1180 switch (reconfig_type
) {
1181 case IEEE80211_RECONFIG_TYPE_RESTART
:
1182 iwl_mvm_restart_complete(mvm
);
1184 case IEEE80211_RECONFIG_TYPE_SUSPEND
:
1185 iwl_mvm_resume_complete(mvm
);
1190 void __iwl_mvm_mac_stop(struct iwl_mvm
*mvm
)
1192 lockdep_assert_held(&mvm
->mutex
);
1194 /* firmware counters are obviously reset now, but we shouldn't
1195 * partially track so also clear the fw_reset_accu counters.
1197 memset(&mvm
->accu_radio_stats
, 0, sizeof(mvm
->accu_radio_stats
));
1199 /* async_handlers_wk is now blocked */
1202 * The work item could be running or queued if the
1203 * ROC time event stops just as we get here.
1205 flush_work(&mvm
->roc_done_wk
);
1207 iwl_mvm_stop_device(mvm
);
1209 iwl_mvm_async_handlers_purge(mvm
);
1210 /* async_handlers_list is empty and will stay empty: HW is stopped */
1212 /* the fw is stopped, the aux sta is dead: clean up driver state */
1213 iwl_mvm_del_aux_sta(mvm
);
1216 * Clear IN_HW_RESTART flag when stopping the hw (as restart_complete()
1217 * won't be called in this case).
1218 * But make sure to cleanup interfaces that have gone down before/during
1219 * HW restart was requested.
1221 if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
))
1222 ieee80211_iterate_interfaces(mvm
->hw
, 0,
1223 iwl_mvm_cleanup_iterator
, mvm
);
1225 /* We shouldn't have any UIDs still set. Loop over all the UIDs to
1226 * make sure there's nothing left there and warn if any is found.
1228 if (fw_has_capa(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_CAPA_UMAC_SCAN
)) {
1231 for (i
= 0; i
< mvm
->max_scans
; i
++) {
1232 if (WARN_ONCE(mvm
->scan_uid_status
[i
],
1233 "UMAC scan UID %d status was not cleaned\n",
1235 mvm
->scan_uid_status
[i
] = 0;
1240 static void iwl_mvm_mac_stop(struct ieee80211_hw
*hw
)
1242 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1244 flush_work(&mvm
->d0i3_exit_work
);
1245 flush_work(&mvm
->async_handlers_wk
);
1246 flush_work(&mvm
->add_stream_wk
);
1249 * Lock and clear the firmware running bit here already, so that
1250 * new commands coming in elsewhere, e.g. from debugfs, will not
1251 * be able to proceed. This is important here because one of those
1252 * debugfs files causes the fw_dump_wk to be triggered, and if we
1253 * don't stop debugfs accesses before canceling that it could be
1254 * retriggered after we flush it but before we've cleared the bit.
1256 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING
, &mvm
->status
);
1258 cancel_delayed_work_sync(&mvm
->fw_dump_wk
);
1259 cancel_delayed_work_sync(&mvm
->cs_tx_unblock_dwork
);
1260 cancel_delayed_work_sync(&mvm
->scan_timeout_dwork
);
1261 iwl_mvm_free_fw_dump_desc(mvm
);
1263 mutex_lock(&mvm
->mutex
);
1264 __iwl_mvm_mac_stop(mvm
);
1265 mutex_unlock(&mvm
->mutex
);
1268 * The worker might have been waiting for the mutex, let it run and
1269 * discover that its list is now empty.
1271 cancel_work_sync(&mvm
->async_handlers_wk
);
1274 static struct iwl_mvm_phy_ctxt
*iwl_mvm_get_free_phy_ctxt(struct iwl_mvm
*mvm
)
1278 lockdep_assert_held(&mvm
->mutex
);
1280 for (i
= 0; i
< NUM_PHY_CTX
; i
++)
1281 if (!mvm
->phy_ctxts
[i
].ref
)
1282 return &mvm
->phy_ctxts
[i
];
1284 IWL_ERR(mvm
, "No available PHY context\n");
1288 static int iwl_mvm_set_tx_power(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
1291 struct iwl_dev_tx_power_cmd cmd
= {
1292 .v3
.set_mode
= cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC
),
1293 .v3
.mac_context_id
=
1294 cpu_to_le32(iwl_mvm_vif_from_mac80211(vif
)->id
),
1295 .v3
.pwr_restriction
= cpu_to_le16(8 * tx_power
),
1297 int len
= sizeof(cmd
);
1299 if (tx_power
== IWL_DEFAULT_MAX_TX_POWER
)
1300 cmd
.v3
.pwr_restriction
= cpu_to_le16(IWL_DEV_MAX_TX_POWER
);
1302 if (!fw_has_capa(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_CAPA_TX_POWER_ACK
))
1303 len
= sizeof(cmd
.v3
);
1305 return iwl_mvm_send_cmd_pdu(mvm
, REDUCE_TX_POWER_CMD
, 0, len
, &cmd
);
1308 static int iwl_mvm_mac_add_interface(struct ieee80211_hw
*hw
,
1309 struct ieee80211_vif
*vif
)
1311 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1312 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1318 * make sure D0i3 exit is completed, otherwise a target access
1319 * during tx queue configuration could be done when still in
1322 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_ADD_IF
);
1327 * Not much to do here. The stack will not allow interface
1328 * types or combinations that we didn't advertise, so we
1329 * don't really have to check the types.
1332 mutex_lock(&mvm
->mutex
);
1334 /* make sure that beacon statistics don't go backwards with FW reset */
1335 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
))
1336 mvmvif
->beacon_stats
.accu_num_beacons
+=
1337 mvmvif
->beacon_stats
.num_beacons
;
1339 /* Allocate resources for the MAC context, and add it to the fw */
1340 ret
= iwl_mvm_mac_ctxt_init(mvm
, vif
);
1344 /* Counting number of interfaces is needed for legacy PM */
1345 if (vif
->type
!= NL80211_IFTYPE_P2P_DEVICE
)
1349 * The AP binding flow can be done only after the beacon
1350 * template is configured (which happens only in the mac80211
1351 * start_ap() flow), and adding the broadcast station can happen
1352 * only after the binding.
1353 * In addition, since modifying the MAC before adding a bcast
1354 * station is not allowed by the FW, delay the adding of MAC context to
1355 * the point where we can also add the bcast station.
1356 * In short: there's not much we can do at this point, other than
1357 * allocating resources :)
1359 if (vif
->type
== NL80211_IFTYPE_AP
||
1360 vif
->type
== NL80211_IFTYPE_ADHOC
) {
1361 ret
= iwl_mvm_alloc_bcast_sta(mvm
, vif
);
1363 IWL_ERR(mvm
, "Failed to allocate bcast sta\n");
1367 if (iwl_mvm_is_dqa_supported(mvm
)) {
1369 * Only queue for this station is the mcast queue,
1370 * which shouldn't be in TFD mask anyway
1372 ret
= iwl_mvm_allocate_int_sta(mvm
, &mvmvif
->mcast_sta
,
1379 iwl_mvm_vif_dbgfs_register(mvm
, vif
);
1383 mvmvif
->features
|= hw
->netdev_features
;
1385 ret
= iwl_mvm_mac_ctxt_add(mvm
, vif
);
1389 ret
= iwl_mvm_power_update_mac(mvm
);
1391 goto out_remove_mac
;
1393 /* beacon filtering */
1394 ret
= iwl_mvm_disable_beacon_filter(mvm
, vif
, 0);
1396 goto out_remove_mac
;
1398 if (!mvm
->bf_allowed_vif
&&
1399 vif
->type
== NL80211_IFTYPE_STATION
&& !vif
->p2p
) {
1400 mvm
->bf_allowed_vif
= mvmvif
;
1401 vif
->driver_flags
|= IEEE80211_VIF_BEACON_FILTER
|
1402 IEEE80211_VIF_SUPPORTS_CQM_RSSI
;
1406 * P2P_DEVICE interface does not have a channel context assigned to it,
1407 * so a dedicated PHY context is allocated to it and the corresponding
1408 * MAC context is bound to it at this stage.
1410 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
1412 mvmvif
->phy_ctxt
= iwl_mvm_get_free_phy_ctxt(mvm
);
1413 if (!mvmvif
->phy_ctxt
) {
1418 iwl_mvm_phy_ctxt_ref(mvm
, mvmvif
->phy_ctxt
);
1419 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
1423 ret
= iwl_mvm_add_bcast_sta(mvm
, vif
);
1427 /* Save a pointer to p2p device vif, so it can later be used to
1428 * update the p2p device MAC when a GO is started/stopped */
1429 mvm
->p2p_device_vif
= vif
;
1432 iwl_mvm_vif_dbgfs_register(mvm
, vif
);
1436 iwl_mvm_binding_remove_vif(mvm
, vif
);
1438 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
1440 if (mvm
->bf_allowed_vif
== mvmvif
) {
1441 mvm
->bf_allowed_vif
= NULL
;
1442 vif
->driver_flags
&= ~(IEEE80211_VIF_BEACON_FILTER
|
1443 IEEE80211_VIF_SUPPORTS_CQM_RSSI
);
1446 mvmvif
->phy_ctxt
= NULL
;
1447 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
1449 if (vif
->type
!= NL80211_IFTYPE_P2P_DEVICE
)
1452 iwl_mvm_mac_ctxt_release(mvm
, vif
);
1454 mutex_unlock(&mvm
->mutex
);
1456 iwl_mvm_unref(mvm
, IWL_MVM_REF_ADD_IF
);
1461 static void iwl_mvm_prepare_mac_removal(struct iwl_mvm
*mvm
,
1462 struct ieee80211_vif
*vif
)
1464 u32 tfd_msk
= iwl_mvm_mac_get_queues_mask(vif
);
1466 if (tfd_msk
&& !iwl_mvm_is_dqa_supported(mvm
)) {
1468 * mac80211 first removes all the stations of the vif and
1469 * then removes the vif. When it removes a station it also
1470 * flushes the AMPDU session. So by now, all the AMPDU sessions
1471 * of all the stations of this vif are closed, and the queues
1472 * of these AMPDU sessions are properly closed.
1473 * We still need to take care of the shared queues of the vif.
1475 * For DQA mode there is no need - broacast and multicast queue
1476 * are flushed separately.
1478 mutex_lock(&mvm
->mutex
);
1479 iwl_mvm_flush_tx_path(mvm
, tfd_msk
, 0);
1480 mutex_unlock(&mvm
->mutex
);
1483 * There are transports that buffer a few frames in the host.
1484 * For these, the flush above isn't enough since while we were
1485 * flushing, the transport might have sent more frames to the
1486 * device. To solve this, wait here until the transport is
1487 * empty. Technically, this could have replaced the flush
1488 * above, but flush is much faster than draining. So flush
1489 * first, and drain to make sure we have no frames in the
1490 * transport anymore.
1491 * If a station still had frames on the shared queues, it is
1492 * already marked as draining, so to complete the draining, we
1493 * just need to wait until the transport is empty.
1495 iwl_trans_wait_tx_queues_empty(mvm
->trans
, tfd_msk
);
1498 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
1500 * Flush the ROC worker which will flush the OFFCHANNEL queue.
1501 * We assume here that all the packets sent to the OFFCHANNEL
1502 * queue are sent in ROC session.
1504 flush_work(&mvm
->roc_done_wk
);
1507 * By now, all the AC queues are empty. The AGG queues are
1508 * empty too. We already got all the Tx responses for all the
1509 * packets in the queues. The drain work can have been
1510 * triggered. Flush it.
1512 flush_work(&mvm
->sta_drained_wk
);
1516 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw
*hw
,
1517 struct ieee80211_vif
*vif
)
1519 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1520 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1522 iwl_mvm_prepare_mac_removal(mvm
, vif
);
1524 mutex_lock(&mvm
->mutex
);
1526 if (mvm
->bf_allowed_vif
== mvmvif
) {
1527 mvm
->bf_allowed_vif
= NULL
;
1528 vif
->driver_flags
&= ~(IEEE80211_VIF_BEACON_FILTER
|
1529 IEEE80211_VIF_SUPPORTS_CQM_RSSI
);
1532 iwl_mvm_vif_dbgfs_clean(mvm
, vif
);
1535 * For AP/GO interface, the tear down of the resources allocated to the
1536 * interface is be handled as part of the stop_ap flow.
1538 if (vif
->type
== NL80211_IFTYPE_AP
||
1539 vif
->type
== NL80211_IFTYPE_ADHOC
) {
1540 #ifdef CONFIG_NL80211_TESTMODE
1541 if (vif
== mvm
->noa_vif
) {
1542 mvm
->noa_vif
= NULL
;
1543 mvm
->noa_duration
= 0;
1546 iwl_mvm_dealloc_int_sta(mvm
, &mvmvif
->mcast_sta
);
1547 iwl_mvm_dealloc_bcast_sta(mvm
, vif
);
1551 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
1552 mvm
->p2p_device_vif
= NULL
;
1553 iwl_mvm_rm_bcast_sta(mvm
, vif
);
1554 iwl_mvm_binding_remove_vif(mvm
, vif
);
1555 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
1556 mvmvif
->phy_ctxt
= NULL
;
1559 if (mvm
->vif_count
&& vif
->type
!= NL80211_IFTYPE_P2P_DEVICE
)
1562 iwl_mvm_power_update_mac(mvm
);
1563 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
1566 iwl_mvm_mac_ctxt_release(mvm
, vif
);
1567 mutex_unlock(&mvm
->mutex
);
1570 static int iwl_mvm_mac_config(struct ieee80211_hw
*hw
, u32 changed
)
1575 struct iwl_mvm_mc_iter_data
{
1576 struct iwl_mvm
*mvm
;
1580 static void iwl_mvm_mc_iface_iterator(void *_data
, u8
*mac
,
1581 struct ieee80211_vif
*vif
)
1583 struct iwl_mvm_mc_iter_data
*data
= _data
;
1584 struct iwl_mvm
*mvm
= data
->mvm
;
1585 struct iwl_mcast_filter_cmd
*cmd
= mvm
->mcast_filter_cmd
;
1588 /* if we don't have free ports, mcast frames will be dropped */
1589 if (WARN_ON_ONCE(data
->port_id
>= MAX_PORT_ID_NUM
))
1592 if (vif
->type
!= NL80211_IFTYPE_STATION
||
1593 !vif
->bss_conf
.assoc
)
1596 cmd
->port_id
= data
->port_id
++;
1597 memcpy(cmd
->bssid
, vif
->bss_conf
.bssid
, ETH_ALEN
);
1598 len
= roundup(sizeof(*cmd
) + cmd
->count
* ETH_ALEN
, 4);
1600 ret
= iwl_mvm_send_cmd_pdu(mvm
, MCAST_FILTER_CMD
, CMD_ASYNC
, len
, cmd
);
1602 IWL_ERR(mvm
, "mcast filter cmd error. ret=%d\n", ret
);
1605 static void iwl_mvm_recalc_multicast(struct iwl_mvm
*mvm
)
1607 struct iwl_mvm_mc_iter_data iter_data
= {
1611 lockdep_assert_held(&mvm
->mutex
);
1613 if (WARN_ON_ONCE(!mvm
->mcast_filter_cmd
))
1616 ieee80211_iterate_active_interfaces_atomic(
1617 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
1618 iwl_mvm_mc_iface_iterator
, &iter_data
);
1621 static u64
iwl_mvm_prepare_multicast(struct ieee80211_hw
*hw
,
1622 struct netdev_hw_addr_list
*mc_list
)
1624 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1625 struct iwl_mcast_filter_cmd
*cmd
;
1626 struct netdev_hw_addr
*addr
;
1631 addr_count
= netdev_hw_addr_list_count(mc_list
);
1632 pass_all
= addr_count
> MAX_MCAST_FILTERING_ADDRESSES
||
1633 IWL_MVM_FW_MCAST_FILTER_PASS_ALL
;
1637 len
= roundup(sizeof(*cmd
) + addr_count
* ETH_ALEN
, 4);
1638 cmd
= kzalloc(len
, GFP_ATOMIC
);
1644 return (u64
)(unsigned long)cmd
;
1647 netdev_hw_addr_list_for_each(addr
, mc_list
) {
1648 IWL_DEBUG_MAC80211(mvm
, "mcast addr (%d): %pM\n",
1649 cmd
->count
, addr
->addr
);
1650 memcpy(&cmd
->addr_list
[cmd
->count
* ETH_ALEN
],
1651 addr
->addr
, ETH_ALEN
);
1655 return (u64
)(unsigned long)cmd
;
1658 static void iwl_mvm_configure_filter(struct ieee80211_hw
*hw
,
1659 unsigned int changed_flags
,
1660 unsigned int *total_flags
,
1663 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1664 struct iwl_mcast_filter_cmd
*cmd
= (void *)(unsigned long)multicast
;
1666 mutex_lock(&mvm
->mutex
);
1668 /* replace previous configuration */
1669 kfree(mvm
->mcast_filter_cmd
);
1670 mvm
->mcast_filter_cmd
= cmd
;
1675 iwl_mvm_recalc_multicast(mvm
);
1677 mutex_unlock(&mvm
->mutex
);
1681 static void iwl_mvm_config_iface_filter(struct ieee80211_hw
*hw
,
1682 struct ieee80211_vif
*vif
,
1683 unsigned int filter_flags
,
1684 unsigned int changed_flags
)
1686 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1688 /* We support only filter for probe requests */
1689 if (!(changed_flags
& FIF_PROBE_REQ
))
1692 /* Supported only for p2p client interfaces */
1693 if (vif
->type
!= NL80211_IFTYPE_STATION
|| !vif
->bss_conf
.assoc
||
1697 mutex_lock(&mvm
->mutex
);
1698 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
1699 mutex_unlock(&mvm
->mutex
);
1702 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1703 struct iwl_bcast_iter_data
{
1704 struct iwl_mvm
*mvm
;
1705 struct iwl_bcast_filter_cmd
*cmd
;
1710 iwl_mvm_set_bcast_filter(struct ieee80211_vif
*vif
,
1711 const struct iwl_fw_bcast_filter
*in_filter
,
1712 struct iwl_fw_bcast_filter
*out_filter
)
1714 struct iwl_fw_bcast_filter_attr
*attr
;
1717 memcpy(out_filter
, in_filter
, sizeof(*out_filter
));
1719 for (i
= 0; i
< ARRAY_SIZE(out_filter
->attrs
); i
++) {
1720 attr
= &out_filter
->attrs
[i
];
1725 switch (attr
->reserved1
) {
1726 case cpu_to_le16(BC_FILTER_MAGIC_IP
):
1727 if (vif
->bss_conf
.arp_addr_cnt
!= 1) {
1732 attr
->val
= vif
->bss_conf
.arp_addr_list
[0];
1734 case cpu_to_le16(BC_FILTER_MAGIC_MAC
):
1735 attr
->val
= *(__be32
*)&vif
->addr
[2];
1740 attr
->reserved1
= 0;
1741 out_filter
->num_attrs
++;
1745 static void iwl_mvm_bcast_filter_iterator(void *_data
, u8
*mac
,
1746 struct ieee80211_vif
*vif
)
1748 struct iwl_bcast_iter_data
*data
= _data
;
1749 struct iwl_mvm
*mvm
= data
->mvm
;
1750 struct iwl_bcast_filter_cmd
*cmd
= data
->cmd
;
1751 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1752 struct iwl_fw_bcast_mac
*bcast_mac
;
1755 if (WARN_ON(mvmvif
->id
>= ARRAY_SIZE(cmd
->macs
)))
1758 bcast_mac
= &cmd
->macs
[mvmvif
->id
];
1761 * enable filtering only for associated stations, but not for P2P
1764 if (vif
->type
!= NL80211_IFTYPE_STATION
|| vif
->p2p
||
1765 !vif
->bss_conf
.assoc
)
1768 bcast_mac
->default_discard
= 1;
1770 /* copy all configured filters */
1771 for (i
= 0; mvm
->bcast_filters
[i
].attrs
[0].mask
; i
++) {
1773 * Make sure we don't exceed our filters limit.
1774 * if there is still a valid filter to be configured,
1775 * be on the safe side and just allow bcast for this mac.
1777 if (WARN_ON_ONCE(data
->current_filter
>=
1778 ARRAY_SIZE(cmd
->filters
))) {
1779 bcast_mac
->default_discard
= 0;
1780 bcast_mac
->attached_filters
= 0;
1784 iwl_mvm_set_bcast_filter(vif
,
1785 &mvm
->bcast_filters
[i
],
1786 &cmd
->filters
[data
->current_filter
]);
1788 /* skip current filter if it contains no attributes */
1789 if (!cmd
->filters
[data
->current_filter
].num_attrs
)
1792 /* attach the filter to current mac */
1793 bcast_mac
->attached_filters
|=
1794 cpu_to_le16(BIT(data
->current_filter
));
1796 data
->current_filter
++;
1800 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm
*mvm
,
1801 struct iwl_bcast_filter_cmd
*cmd
)
1803 struct iwl_bcast_iter_data iter_data
= {
1808 if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL
)
1811 memset(cmd
, 0, sizeof(*cmd
));
1812 cmd
->max_bcast_filters
= ARRAY_SIZE(cmd
->filters
);
1813 cmd
->max_macs
= ARRAY_SIZE(cmd
->macs
);
1815 #ifdef CONFIG_IWLWIFI_DEBUGFS
1816 /* use debugfs filters/macs if override is configured */
1817 if (mvm
->dbgfs_bcast_filtering
.override
) {
1818 memcpy(cmd
->filters
, &mvm
->dbgfs_bcast_filtering
.cmd
.filters
,
1819 sizeof(cmd
->filters
));
1820 memcpy(cmd
->macs
, &mvm
->dbgfs_bcast_filtering
.cmd
.macs
,
1826 /* if no filters are configured, do nothing */
1827 if (!mvm
->bcast_filters
)
1830 /* configure and attach these filters for each associated sta vif */
1831 ieee80211_iterate_active_interfaces(
1832 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
1833 iwl_mvm_bcast_filter_iterator
, &iter_data
);
1838 static int iwl_mvm_configure_bcast_filter(struct iwl_mvm
*mvm
)
1840 struct iwl_bcast_filter_cmd cmd
;
1842 if (!(mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_BCAST_FILTERING
))
1845 if (!iwl_mvm_bcast_filter_build_cmd(mvm
, &cmd
))
1848 return iwl_mvm_send_cmd_pdu(mvm
, BCAST_FILTER_CMD
, 0,
1852 static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm
*mvm
)
1858 static int iwl_mvm_update_mu_groups(struct iwl_mvm
*mvm
,
1859 struct ieee80211_vif
*vif
)
1861 struct iwl_mu_group_mgmt_cmd cmd
= {};
1863 memcpy(cmd
.membership_status
, vif
->bss_conf
.mu_group
.membership
,
1864 WLAN_MEMBERSHIP_LEN
);
1865 memcpy(cmd
.user_position
, vif
->bss_conf
.mu_group
.position
,
1866 WLAN_USER_POSITION_LEN
);
1868 return iwl_mvm_send_cmd_pdu(mvm
,
1869 WIDE_ID(DATA_PATH_GROUP
,
1870 UPDATE_MU_GROUPS_CMD
),
1871 0, sizeof(cmd
), &cmd
);
1874 static void iwl_mvm_mu_mimo_iface_iterator(void *_data
, u8
*mac
,
1875 struct ieee80211_vif
*vif
)
1877 if (vif
->mu_mimo_owner
) {
1878 struct iwl_mu_group_mgmt_notif
*notif
= _data
;
1881 * MU-MIMO Group Id action frame is little endian. We treat
1882 * the data received from firmware as if it came from the
1883 * action frame, so no conversion is needed.
1885 ieee80211_update_mu_groups(vif
,
1886 (u8
*)¬if
->membership_status
,
1887 (u8
*)¬if
->user_position
);
1891 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm
*mvm
,
1892 struct iwl_rx_cmd_buffer
*rxb
)
1894 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
1895 struct iwl_mu_group_mgmt_notif
*notif
= (void *)pkt
->data
;
1897 ieee80211_iterate_active_interfaces_atomic(
1898 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
1899 iwl_mvm_mu_mimo_iface_iterator
, notif
);
1902 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm
*mvm
,
1903 struct ieee80211_vif
*vif
,
1904 struct ieee80211_bss_conf
*bss_conf
,
1907 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1911 * Re-calculate the tsf id, as the master-slave relations depend on the
1912 * beacon interval, which was not known when the station interface was
1915 if (changes
& BSS_CHANGED_ASSOC
&& bss_conf
->assoc
)
1916 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm
, vif
);
1918 if (changes
& BSS_CHANGED_ASSOC
&& !bss_conf
->assoc
&&
1920 iwl_mvm_send_lqm_cmd(vif
, LQM_CMD_OPERATION_STOP_MEASUREMENT
,
1924 * If we're not associated yet, take the (new) BSSID before associating
1925 * so the firmware knows. If we're already associated, then use the old
1926 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC
1927 * branch for disassociation below.
1929 if (changes
& BSS_CHANGED_BSSID
&& !mvmvif
->associated
)
1930 memcpy(mvmvif
->bssid
, bss_conf
->bssid
, ETH_ALEN
);
1932 ret
= iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, mvmvif
->bssid
);
1934 IWL_ERR(mvm
, "failed to update MAC %pM\n", vif
->addr
);
1936 /* after sending it once, adopt mac80211 data */
1937 memcpy(mvmvif
->bssid
, bss_conf
->bssid
, ETH_ALEN
);
1938 mvmvif
->associated
= bss_conf
->assoc
;
1940 if (changes
& BSS_CHANGED_ASSOC
) {
1941 if (bss_conf
->assoc
) {
1942 /* clear statistics to get clean beacon counter */
1943 iwl_mvm_request_statistics(mvm
, true);
1944 memset(&mvmvif
->beacon_stats
, 0,
1945 sizeof(mvmvif
->beacon_stats
));
1947 /* add quota for this interface */
1948 ret
= iwl_mvm_update_quotas(mvm
, true, NULL
);
1950 IWL_ERR(mvm
, "failed to update quotas\n");
1954 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
,
1957 * If we're restarting then the firmware will
1958 * obviously have lost synchronisation with
1959 * the AP. It will attempt to synchronise by
1960 * itself, but we can make it more reliable by
1961 * scheduling a session protection time event.
1963 * The firmware needs to receive a beacon to
1964 * catch up with synchronisation, use 110% of
1965 * the beacon interval.
1967 * Set a large maximum delay to allow for more
1968 * than a single interface.
1970 u32 dur
= (11 * vif
->bss_conf
.beacon_int
) / 10;
1971 iwl_mvm_protect_session(mvm
, vif
, dur
, dur
,
1975 iwl_mvm_sf_update(mvm
, vif
, false);
1976 iwl_mvm_power_vif_assoc(mvm
, vif
);
1978 iwl_mvm_ref(mvm
, IWL_MVM_REF_P2P_CLIENT
);
1979 iwl_mvm_update_smps(mvm
, vif
,
1980 IWL_MVM_SMPS_REQ_PROT
,
1981 IEEE80211_SMPS_DYNAMIC
);
1983 } else if (mvmvif
->ap_sta_id
!= IWL_MVM_INVALID_STA
) {
1985 * If update fails - SF might be running in associated
1986 * mode while disassociated - which is forbidden.
1988 WARN_ONCE(iwl_mvm_sf_update(mvm
, vif
, false),
1989 "Failed to update SF upon disassociation\n");
1992 * If we get an assert during the connection (after the
1993 * station has been added, but before the vif is set
1994 * to associated), mac80211 will re-add the station and
1995 * then configure the vif. Since the vif is not
1996 * associated, we would remove the station here and
1997 * this would fail the recovery.
1999 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART
,
2002 * Remove AP station now that
2003 * the MAC is unassoc
2005 ret
= iwl_mvm_rm_sta_id(mvm
, vif
,
2009 "failed to remove AP station\n");
2011 if (mvm
->d0i3_ap_sta_id
== mvmvif
->ap_sta_id
)
2012 mvm
->d0i3_ap_sta_id
=
2013 IWL_MVM_INVALID_STA
;
2014 mvmvif
->ap_sta_id
= IWL_MVM_INVALID_STA
;
2017 /* remove quota for this interface */
2018 ret
= iwl_mvm_update_quotas(mvm
, false, NULL
);
2020 IWL_ERR(mvm
, "failed to update quotas\n");
2023 iwl_mvm_unref(mvm
, IWL_MVM_REF_P2P_CLIENT
);
2025 /* this will take the cleared BSSID from bss_conf */
2026 ret
= iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
2029 "failed to update MAC %pM (clear after unassoc)\n",
2034 * The firmware tracks the MU-MIMO group on its own.
2035 * However, on HW restart we should restore this data.
2037 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
) &&
2038 (changes
& BSS_CHANGED_MU_GROUPS
) && vif
->mu_mimo_owner
) {
2039 ret
= iwl_mvm_update_mu_groups(mvm
, vif
);
2042 "failed to update VHT MU_MIMO groups\n");
2045 iwl_mvm_recalc_multicast(mvm
);
2046 iwl_mvm_configure_bcast_filter(mvm
);
2048 /* reset rssi values */
2049 mvmvif
->bf_data
.ave_beacon_signal
= 0;
2051 iwl_mvm_bt_coex_vif_change(mvm
);
2052 iwl_mvm_update_smps(mvm
, vif
, IWL_MVM_SMPS_REQ_TT
,
2053 IEEE80211_SMPS_AUTOMATIC
);
2054 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
2055 IWL_UCODE_TLV_CAPA_UMAC_SCAN
))
2056 iwl_mvm_config_scan(mvm
);
2059 if (changes
& BSS_CHANGED_BEACON_INFO
) {
2061 * We received a beacon from the associated AP so
2062 * remove the session protection.
2064 iwl_mvm_remove_time_event(mvm
, mvmvif
,
2065 &mvmvif
->time_event_data
);
2067 iwl_mvm_sf_update(mvm
, vif
, false);
2068 WARN_ON(iwl_mvm_enable_beacon_filter(mvm
, vif
, 0));
2071 if (changes
& (BSS_CHANGED_PS
| BSS_CHANGED_P2P_PS
| BSS_CHANGED_QOS
|
2073 * Send power command on every beacon change,
2074 * because we may have not enabled beacon abort yet.
2076 BSS_CHANGED_BEACON_INFO
)) {
2077 ret
= iwl_mvm_power_update_mac(mvm
);
2079 IWL_ERR(mvm
, "failed to update power mode\n");
2082 if (changes
& BSS_CHANGED_TXPOWER
) {
2083 IWL_DEBUG_CALIB(mvm
, "Changing TX Power to %d\n",
2085 iwl_mvm_set_tx_power(mvm
, vif
, bss_conf
->txpower
);
2088 if (changes
& BSS_CHANGED_CQM
) {
2089 IWL_DEBUG_MAC80211(mvm
, "cqm info_changed\n");
2090 /* reset cqm events tracking */
2091 mvmvif
->bf_data
.last_cqm_event
= 0;
2092 if (mvmvif
->bf_data
.bf_enabled
) {
2093 ret
= iwl_mvm_enable_beacon_filter(mvm
, vif
, 0);
2096 "failed to update CQM thresholds\n");
2100 if (changes
& BSS_CHANGED_ARP_FILTER
) {
2101 IWL_DEBUG_MAC80211(mvm
, "arp filter changed\n");
2102 iwl_mvm_configure_bcast_filter(mvm
);
2106 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw
*hw
,
2107 struct ieee80211_vif
*vif
)
2109 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2110 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2114 * iwl_mvm_mac_ctxt_add() might read directly from the device
2115 * (the system time), so make sure it is available.
2117 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_START_AP
);
2121 mutex_lock(&mvm
->mutex
);
2123 /* Send the beacon template */
2124 ret
= iwl_mvm_mac_ctxt_beacon_changed(mvm
, vif
);
2129 * Re-calculate the tsf id, as the master-slave relations depend on the
2130 * beacon interval, which was not known when the AP interface was added.
2132 if (vif
->type
== NL80211_IFTYPE_AP
)
2133 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm
, vif
);
2135 mvmvif
->ap_assoc_sta_count
= 0;
2137 /* Add the mac context */
2138 ret
= iwl_mvm_mac_ctxt_add(mvm
, vif
);
2142 /* Perform the binding */
2143 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
2147 ret
= iwl_mvm_add_mcast_sta(mvm
, vif
);
2151 /* Send the bcast station. At this stage the TBTT and DTIM time events
2152 * are added and applied to the scheduler */
2153 ret
= iwl_mvm_send_add_bcast_sta(mvm
, vif
);
2157 /* must be set before quota calculations */
2158 mvmvif
->ap_ibss_active
= true;
2160 /* power updated needs to be done before quotas */
2161 iwl_mvm_power_update_mac(mvm
);
2163 ret
= iwl_mvm_update_quotas(mvm
, false, NULL
);
2165 goto out_quota_failed
;
2167 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
2168 if (vif
->p2p
&& mvm
->p2p_device_vif
)
2169 iwl_mvm_mac_ctxt_changed(mvm
, mvm
->p2p_device_vif
, false, NULL
);
2171 iwl_mvm_ref(mvm
, IWL_MVM_REF_AP_IBSS
);
2173 iwl_mvm_bt_coex_vif_change(mvm
);
2175 /* we don't support TDLS during DCM */
2176 if (iwl_mvm_phy_ctx_count(mvm
) > 1)
2177 iwl_mvm_teardown_tdls_peers(mvm
);
2182 iwl_mvm_power_update_mac(mvm
);
2183 mvmvif
->ap_ibss_active
= false;
2184 iwl_mvm_send_rm_bcast_sta(mvm
, vif
);
2186 iwl_mvm_rm_mcast_sta(mvm
, vif
);
2188 iwl_mvm_binding_remove_vif(mvm
, vif
);
2190 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
2192 mutex_unlock(&mvm
->mutex
);
2193 iwl_mvm_unref(mvm
, IWL_MVM_REF_START_AP
);
2197 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw
*hw
,
2198 struct ieee80211_vif
*vif
)
2200 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2201 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2203 iwl_mvm_prepare_mac_removal(mvm
, vif
);
2205 mutex_lock(&mvm
->mutex
);
2207 /* Handle AP stop while in CSA */
2208 if (rcu_access_pointer(mvm
->csa_vif
) == vif
) {
2209 iwl_mvm_remove_time_event(mvm
, mvmvif
,
2210 &mvmvif
->time_event_data
);
2211 RCU_INIT_POINTER(mvm
->csa_vif
, NULL
);
2212 mvmvif
->csa_countdown
= false;
2215 if (rcu_access_pointer(mvm
->csa_tx_blocked_vif
) == vif
) {
2216 RCU_INIT_POINTER(mvm
->csa_tx_blocked_vif
, NULL
);
2217 mvm
->csa_tx_block_bcn_timeout
= 0;
2220 mvmvif
->ap_ibss_active
= false;
2221 mvm
->ap_last_beacon_gp2
= 0;
2223 iwl_mvm_bt_coex_vif_change(mvm
);
2225 iwl_mvm_unref(mvm
, IWL_MVM_REF_AP_IBSS
);
2227 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
2228 if (vif
->p2p
&& mvm
->p2p_device_vif
)
2229 iwl_mvm_mac_ctxt_changed(mvm
, mvm
->p2p_device_vif
, false, NULL
);
2231 iwl_mvm_update_quotas(mvm
, false, NULL
);
2234 * This is not very nice, but the simplest:
2235 * For older FWs removing the mcast sta before the bcast station may
2236 * cause assert 0x2b00.
2237 * This is fixed in later FW (which will stop beaconing when removing
2239 * So make the order of removal depend on the TLV
2241 if (!fw_has_api(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_API_STA_TYPE
))
2242 iwl_mvm_rm_mcast_sta(mvm
, vif
);
2243 iwl_mvm_send_rm_bcast_sta(mvm
, vif
);
2244 if (fw_has_api(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_API_STA_TYPE
))
2245 iwl_mvm_rm_mcast_sta(mvm
, vif
);
2246 iwl_mvm_binding_remove_vif(mvm
, vif
);
2248 iwl_mvm_power_update_mac(mvm
);
2250 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
2252 mutex_unlock(&mvm
->mutex
);
2256 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm
*mvm
,
2257 struct ieee80211_vif
*vif
,
2258 struct ieee80211_bss_conf
*bss_conf
,
2261 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2263 /* Changes will be applied when the AP/IBSS is started */
2264 if (!mvmvif
->ap_ibss_active
)
2267 if (changes
& (BSS_CHANGED_ERP_CTS_PROT
| BSS_CHANGED_HT
|
2268 BSS_CHANGED_BANDWIDTH
| BSS_CHANGED_QOS
) &&
2269 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
))
2270 IWL_ERR(mvm
, "failed to update MAC %pM\n", vif
->addr
);
2272 /* Need to send a new beacon template to the FW */
2273 if (changes
& BSS_CHANGED_BEACON
&&
2274 iwl_mvm_mac_ctxt_beacon_changed(mvm
, vif
))
2275 IWL_WARN(mvm
, "Failed updating beacon data\n");
2277 if (changes
& BSS_CHANGED_TXPOWER
) {
2278 IWL_DEBUG_CALIB(mvm
, "Changing TX Power to %d\n",
2280 iwl_mvm_set_tx_power(mvm
, vif
, bss_conf
->txpower
);
2284 static void iwl_mvm_bss_info_changed(struct ieee80211_hw
*hw
,
2285 struct ieee80211_vif
*vif
,
2286 struct ieee80211_bss_conf
*bss_conf
,
2289 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2292 * iwl_mvm_bss_info_changed_station() might call
2293 * iwl_mvm_protect_session(), which reads directly from
2294 * the device (the system time), so make sure it is available.
2296 if (iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_BSS_CHANGED
))
2299 mutex_lock(&mvm
->mutex
);
2301 if (changes
& BSS_CHANGED_IDLE
&& !bss_conf
->idle
)
2302 iwl_mvm_scan_stop(mvm
, IWL_MVM_SCAN_SCHED
, true);
2304 switch (vif
->type
) {
2305 case NL80211_IFTYPE_STATION
:
2306 iwl_mvm_bss_info_changed_station(mvm
, vif
, bss_conf
, changes
);
2308 case NL80211_IFTYPE_AP
:
2309 case NL80211_IFTYPE_ADHOC
:
2310 iwl_mvm_bss_info_changed_ap_ibss(mvm
, vif
, bss_conf
, changes
);
2312 case NL80211_IFTYPE_MONITOR
:
2313 if (changes
& BSS_CHANGED_MU_GROUPS
)
2314 iwl_mvm_update_mu_groups(mvm
, vif
);
2317 /* shouldn't happen */
2321 mutex_unlock(&mvm
->mutex
);
2322 iwl_mvm_unref(mvm
, IWL_MVM_REF_BSS_CHANGED
);
2325 static int iwl_mvm_mac_hw_scan(struct ieee80211_hw
*hw
,
2326 struct ieee80211_vif
*vif
,
2327 struct ieee80211_scan_request
*hw_req
)
2329 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2332 if (hw_req
->req
.n_channels
== 0 ||
2333 hw_req
->req
.n_channels
> mvm
->fw
->ucode_capa
.n_scan_channels
)
2336 mutex_lock(&mvm
->mutex
);
2337 ret
= iwl_mvm_reg_scan_start(mvm
, vif
, &hw_req
->req
, &hw_req
->ies
);
2338 mutex_unlock(&mvm
->mutex
);
2343 static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw
*hw
,
2344 struct ieee80211_vif
*vif
)
2346 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2348 mutex_lock(&mvm
->mutex
);
2350 /* Due to a race condition, it's possible that mac80211 asks
2351 * us to stop a hw_scan when it's already stopped. This can
2352 * happen, for instance, if we stopped the scan ourselves,
2353 * called ieee80211_scan_completed() and the userspace called
2354 * cancel scan scan before ieee80211_scan_work() could run.
2355 * To handle that, simply return if the scan is not running.
2357 if (mvm
->scan_status
& IWL_MVM_SCAN_REGULAR
)
2358 iwl_mvm_scan_stop(mvm
, IWL_MVM_SCAN_REGULAR
, true);
2360 mutex_unlock(&mvm
->mutex
);
2364 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw
*hw
,
2365 struct ieee80211_sta
*sta
, u16 tids
,
2367 enum ieee80211_frame_release_type reason
,
2370 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2372 /* Called when we need to transmit (a) frame(s) from mac80211 */
2374 iwl_mvm_sta_modify_sleep_tx_count(mvm
, sta
, reason
, num_frames
,
2375 tids
, more_data
, false);
2379 iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw
*hw
,
2380 struct ieee80211_sta
*sta
, u16 tids
,
2382 enum ieee80211_frame_release_type reason
,
2385 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2387 /* Called when we need to transmit (a) frame(s) from agg or dqa queue */
2389 iwl_mvm_sta_modify_sleep_tx_count(mvm
, sta
, reason
, num_frames
,
2390 tids
, more_data
, true);
2393 static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw
*hw
,
2394 enum sta_notify_cmd cmd
,
2395 struct ieee80211_sta
*sta
)
2397 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2398 struct iwl_mvm_sta
*mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
2399 unsigned long txqs
= 0, tids
= 0;
2402 spin_lock_bh(&mvmsta
->lock
);
2403 for (tid
= 0; tid
< IWL_MAX_TID_COUNT
; tid
++) {
2404 struct iwl_mvm_tid_data
*tid_data
= &mvmsta
->tid_data
[tid
];
2406 if (!iwl_mvm_is_dqa_supported(mvm
) &&
2407 tid_data
->state
!= IWL_AGG_ON
&&
2408 tid_data
->state
!= IWL_EMPTYING_HW_QUEUE_DELBA
)
2411 if (tid_data
->txq_id
== IWL_MVM_INVALID_QUEUE
)
2414 __set_bit(tid_data
->txq_id
, &txqs
);
2416 if (iwl_mvm_tid_queued(mvm
, tid_data
) == 0)
2419 __set_bit(tid
, &tids
);
2423 case STA_NOTIFY_SLEEP
:
2424 if (atomic_read(&mvm
->pending_frames
[mvmsta
->sta_id
]) > 0)
2425 ieee80211_sta_block_awake(hw
, sta
, true);
2427 for_each_set_bit(tid
, &tids
, IWL_MAX_TID_COUNT
)
2428 ieee80211_sta_set_buffered(sta
, tid
, true);
2431 iwl_trans_freeze_txq_timer(mvm
->trans
, txqs
, true);
2433 * The fw updates the STA to be asleep. Tx packets on the Tx
2434 * queues to this station will not be transmitted. The fw will
2435 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
2438 case STA_NOTIFY_AWAKE
:
2439 if (WARN_ON(mvmsta
->sta_id
== IWL_MVM_INVALID_STA
))
2443 iwl_trans_freeze_txq_timer(mvm
->trans
, txqs
, false);
2444 iwl_mvm_sta_modify_ps_wake(mvm
, sta
);
2449 spin_unlock_bh(&mvmsta
->lock
);
2452 static void iwl_mvm_mac_sta_notify(struct ieee80211_hw
*hw
,
2453 struct ieee80211_vif
*vif
,
2454 enum sta_notify_cmd cmd
,
2455 struct ieee80211_sta
*sta
)
2457 __iwl_mvm_mac_sta_notify(hw
, cmd
, sta
);
2460 void iwl_mvm_sta_pm_notif(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
)
2462 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
2463 struct iwl_mvm_pm_state_notification
*notif
= (void *)pkt
->data
;
2464 struct ieee80211_sta
*sta
;
2465 struct iwl_mvm_sta
*mvmsta
;
2466 bool sleeping
= (notif
->type
!= IWL_MVM_PM_EVENT_AWAKE
);
2468 if (WARN_ON(notif
->sta_id
>= ARRAY_SIZE(mvm
->fw_id_to_mac_id
)))
2472 sta
= rcu_dereference(mvm
->fw_id_to_mac_id
[notif
->sta_id
]);
2473 if (WARN_ON(IS_ERR_OR_NULL(sta
))) {
2478 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
2481 mvmsta
->vif
->type
!= NL80211_IFTYPE_AP
) {
2486 if (mvmsta
->sleeping
!= sleeping
) {
2487 mvmsta
->sleeping
= sleeping
;
2488 __iwl_mvm_mac_sta_notify(mvm
->hw
,
2489 sleeping
? STA_NOTIFY_SLEEP
: STA_NOTIFY_AWAKE
,
2491 ieee80211_sta_ps_transition(sta
, sleeping
);
2495 switch (notif
->type
) {
2496 case IWL_MVM_PM_EVENT_AWAKE
:
2497 case IWL_MVM_PM_EVENT_ASLEEP
:
2499 case IWL_MVM_PM_EVENT_UAPSD
:
2500 ieee80211_sta_uapsd_trigger(sta
, IEEE80211_NUM_TIDS
);
2502 case IWL_MVM_PM_EVENT_PS_POLL
:
2503 ieee80211_sta_pspoll(sta
);
2513 static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw
*hw
,
2514 struct ieee80211_vif
*vif
,
2515 struct ieee80211_sta
*sta
)
2517 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2518 struct iwl_mvm_sta
*mvm_sta
= iwl_mvm_sta_from_mac80211(sta
);
2521 * This is called before mac80211 does RCU synchronisation,
2522 * so here we already invalidate our internal RCU-protected
2523 * station pointer. The rest of the code will thus no longer
2524 * be able to find the station this way, and we don't rely
2525 * on further RCU synchronisation after the sta_state()
2526 * callback deleted the station.
2528 mutex_lock(&mvm
->mutex
);
2529 if (sta
== rcu_access_pointer(mvm
->fw_id_to_mac_id
[mvm_sta
->sta_id
]))
2530 rcu_assign_pointer(mvm
->fw_id_to_mac_id
[mvm_sta
->sta_id
],
2533 mutex_unlock(&mvm
->mutex
);
2536 static void iwl_mvm_check_uapsd(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
2539 if (!(mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT
))
2542 if (vif
->p2p
&& !iwl_mvm_is_p2p_scm_uapsd_supported(mvm
)) {
2543 vif
->driver_flags
&= ~IEEE80211_VIF_SUPPORTS_UAPSD
;
2548 (iwlwifi_mod_params
.uapsd_disable
& IWL_DISABLE_UAPSD_BSS
)) {
2549 vif
->driver_flags
&= ~IEEE80211_VIF_SUPPORTS_UAPSD
;
2553 vif
->driver_flags
|= IEEE80211_VIF_SUPPORTS_UAPSD
;
2557 iwl_mvm_tdls_check_trigger(struct iwl_mvm
*mvm
,
2558 struct ieee80211_vif
*vif
, u8
*peer_addr
,
2559 enum nl80211_tdls_operation action
)
2561 struct iwl_fw_dbg_trigger_tlv
*trig
;
2562 struct iwl_fw_dbg_trigger_tdls
*tdls_trig
;
2564 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_TDLS
))
2567 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_TDLS
);
2568 tdls_trig
= (void *)trig
->data
;
2569 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
2572 if (!(tdls_trig
->action_bitmap
& BIT(action
)))
2575 if (tdls_trig
->peer_mode
&&
2576 memcmp(tdls_trig
->peer
, peer_addr
, ETH_ALEN
) != 0)
2579 iwl_mvm_fw_dbg_collect_trig(mvm
, trig
,
2580 "TDLS event occurred, peer %pM, action %d",
2584 static void iwl_mvm_purge_deferred_tx_frames(struct iwl_mvm
*mvm
,
2585 struct iwl_mvm_sta
*mvm_sta
)
2587 struct iwl_mvm_tid_data
*tid_data
;
2588 struct sk_buff
*skb
;
2591 spin_lock_bh(&mvm_sta
->lock
);
2592 for (i
= 0; i
<= IWL_MAX_TID_COUNT
; i
++) {
2593 tid_data
= &mvm_sta
->tid_data
[i
];
2594 while ((skb
= __skb_dequeue(&tid_data
->deferred_tx_frames
)))
2595 ieee80211_free_txskb(mvm
->hw
, skb
);
2597 spin_unlock_bh(&mvm_sta
->lock
);
2600 static int iwl_mvm_mac_sta_state(struct ieee80211_hw
*hw
,
2601 struct ieee80211_vif
*vif
,
2602 struct ieee80211_sta
*sta
,
2603 enum ieee80211_sta_state old_state
,
2604 enum ieee80211_sta_state new_state
)
2606 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2607 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2608 struct iwl_mvm_sta
*mvm_sta
= iwl_mvm_sta_from_mac80211(sta
);
2611 IWL_DEBUG_MAC80211(mvm
, "station %pM state change %d->%d\n",
2612 sta
->addr
, old_state
, new_state
);
2614 /* this would be a mac80211 bug ... but don't crash */
2615 if (WARN_ON_ONCE(!mvmvif
->phy_ctxt
))
2618 /* if a STA is being removed, reuse its ID */
2619 flush_work(&mvm
->sta_drained_wk
);
2622 * If we are in a STA removal flow and in DQA mode:
2624 * This is after the sync_rcu part, so the queues have already been
2625 * flushed. No more TXs on their way in mac80211's path, and no more in
2627 * Also, we won't be getting any new TX frames for this station.
2628 * What we might have are deferred TX frames that need to be taken care
2631 * Drop any still-queued deferred-frame before removing the STA, and
2632 * make sure the worker is no longer handling frames for this STA.
2634 if (old_state
== IEEE80211_STA_NONE
&&
2635 new_state
== IEEE80211_STA_NOTEXIST
&&
2636 iwl_mvm_is_dqa_supported(mvm
)) {
2637 iwl_mvm_purge_deferred_tx_frames(mvm
, mvm_sta
);
2638 flush_work(&mvm
->add_stream_wk
);
2641 * No need to make sure deferred TX indication is off since the
2642 * worker will already remove it if it was on
2646 mutex_lock(&mvm
->mutex
);
2647 /* track whether or not the station is associated */
2648 mvm_sta
->associated
= new_state
>= IEEE80211_STA_ASSOC
;
2650 if (old_state
== IEEE80211_STA_NOTEXIST
&&
2651 new_state
== IEEE80211_STA_NONE
) {
2653 * Firmware bug - it'll crash if the beacon interval is less
2654 * than 16. We can't avoid connecting at all, so refuse the
2655 * station state change, this will cause mac80211 to abandon
2656 * attempts to connect to this AP, and eventually wpa_s will
2657 * blacklist the AP...
2659 if (vif
->type
== NL80211_IFTYPE_STATION
&&
2660 vif
->bss_conf
.beacon_int
< 16) {
2662 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
2663 sta
->addr
, vif
->bss_conf
.beacon_int
);
2670 iwl_mvm_tdls_sta_count(mvm
, NULL
) ==
2671 IWL_MVM_TDLS_STA_COUNT
||
2672 iwl_mvm_phy_ctx_count(mvm
) > 1)) {
2673 IWL_DEBUG_MAC80211(mvm
, "refusing TDLS sta\n");
2678 ret
= iwl_mvm_add_sta(mvm
, vif
, sta
);
2679 if (sta
->tdls
&& ret
== 0) {
2680 iwl_mvm_recalc_tdls_state(mvm
, vif
, true);
2681 iwl_mvm_tdls_check_trigger(mvm
, vif
, sta
->addr
,
2682 NL80211_TDLS_SETUP
);
2684 } else if (old_state
== IEEE80211_STA_NONE
&&
2685 new_state
== IEEE80211_STA_AUTH
) {
2687 * EBS may be disabled due to previous failures reported by FW.
2688 * Reset EBS status here assuming environment has been changed.
2690 mvm
->last_ebs_successful
= true;
2691 iwl_mvm_check_uapsd(mvm
, vif
, sta
->addr
);
2693 } else if (old_state
== IEEE80211_STA_AUTH
&&
2694 new_state
== IEEE80211_STA_ASSOC
) {
2695 if (vif
->type
== NL80211_IFTYPE_AP
) {
2696 mvmvif
->ap_assoc_sta_count
++;
2697 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
2700 iwl_mvm_rs_rate_init(mvm
, sta
, mvmvif
->phy_ctxt
->channel
->band
,
2702 ret
= iwl_mvm_update_sta(mvm
, vif
, sta
);
2703 } else if (old_state
== IEEE80211_STA_ASSOC
&&
2704 new_state
== IEEE80211_STA_AUTHORIZED
) {
2706 /* we don't support TDLS during DCM */
2707 if (iwl_mvm_phy_ctx_count(mvm
) > 1)
2708 iwl_mvm_teardown_tdls_peers(mvm
);
2711 iwl_mvm_tdls_check_trigger(mvm
, vif
, sta
->addr
,
2712 NL80211_TDLS_ENABLE_LINK
);
2714 /* enable beacon filtering */
2715 WARN_ON(iwl_mvm_enable_beacon_filter(mvm
, vif
, 0));
2717 } else if (old_state
== IEEE80211_STA_AUTHORIZED
&&
2718 new_state
== IEEE80211_STA_ASSOC
) {
2719 /* disable beacon filtering */
2720 WARN_ON(iwl_mvm_disable_beacon_filter(mvm
, vif
, 0));
2722 } else if (old_state
== IEEE80211_STA_ASSOC
&&
2723 new_state
== IEEE80211_STA_AUTH
) {
2724 if (vif
->type
== NL80211_IFTYPE_AP
) {
2725 mvmvif
->ap_assoc_sta_count
--;
2726 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
2729 } else if (old_state
== IEEE80211_STA_AUTH
&&
2730 new_state
== IEEE80211_STA_NONE
) {
2732 } else if (old_state
== IEEE80211_STA_NONE
&&
2733 new_state
== IEEE80211_STA_NOTEXIST
) {
2734 ret
= iwl_mvm_rm_sta(mvm
, vif
, sta
);
2736 iwl_mvm_recalc_tdls_state(mvm
, vif
, false);
2737 iwl_mvm_tdls_check_trigger(mvm
, vif
, sta
->addr
,
2738 NL80211_TDLS_DISABLE_LINK
);
2744 mutex_unlock(&mvm
->mutex
);
2746 if (sta
->tdls
&& ret
== 0) {
2747 if (old_state
== IEEE80211_STA_NOTEXIST
&&
2748 new_state
== IEEE80211_STA_NONE
)
2749 ieee80211_reserve_tid(sta
, IWL_MVM_TDLS_FW_TID
);
2750 else if (old_state
== IEEE80211_STA_NONE
&&
2751 new_state
== IEEE80211_STA_NOTEXIST
)
2752 ieee80211_unreserve_tid(sta
, IWL_MVM_TDLS_FW_TID
);
2758 static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw
*hw
, u32 value
)
2760 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2762 mvm
->rts_threshold
= value
;
2767 static void iwl_mvm_sta_rc_update(struct ieee80211_hw
*hw
,
2768 struct ieee80211_vif
*vif
,
2769 struct ieee80211_sta
*sta
, u32 changed
)
2771 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2773 if (vif
->type
== NL80211_IFTYPE_STATION
&&
2774 changed
& IEEE80211_RC_NSS_CHANGED
)
2775 iwl_mvm_sf_update(mvm
, vif
, false);
2778 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw
*hw
,
2779 struct ieee80211_vif
*vif
, u16 ac
,
2780 const struct ieee80211_tx_queue_params
*params
)
2782 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2783 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2785 mvmvif
->queue_params
[ac
] = *params
;
2788 * No need to update right away, we'll get BSS_CHANGED_QOS
2789 * The exception is P2P_DEVICE interface which needs immediate update.
2791 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
2794 mutex_lock(&mvm
->mutex
);
2795 ret
= iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
2796 mutex_unlock(&mvm
->mutex
);
2802 static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw
*hw
,
2803 struct ieee80211_vif
*vif
)
2805 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2806 u32 duration
= IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS
;
2807 u32 min_duration
= IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS
;
2809 if (WARN_ON_ONCE(vif
->bss_conf
.assoc
))
2813 * iwl_mvm_protect_session() reads directly from the device
2814 * (the system time), so make sure it is available.
2816 if (iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_PREPARE_TX
))
2819 mutex_lock(&mvm
->mutex
);
2820 /* Try really hard to protect the session and hear a beacon */
2821 iwl_mvm_protect_session(mvm
, vif
, duration
, min_duration
, 500, false);
2822 mutex_unlock(&mvm
->mutex
);
2824 iwl_mvm_unref(mvm
, IWL_MVM_REF_PREPARE_TX
);
2827 static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw
*hw
,
2828 struct ieee80211_vif
*vif
,
2829 struct cfg80211_sched_scan_request
*req
,
2830 struct ieee80211_scan_ies
*ies
)
2832 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2836 mutex_lock(&mvm
->mutex
);
2838 if (!vif
->bss_conf
.idle
) {
2843 ret
= iwl_mvm_sched_scan_start(mvm
, vif
, req
, ies
, IWL_MVM_SCAN_SCHED
);
2846 mutex_unlock(&mvm
->mutex
);
2850 static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw
*hw
,
2851 struct ieee80211_vif
*vif
)
2853 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2856 mutex_lock(&mvm
->mutex
);
2858 /* Due to a race condition, it's possible that mac80211 asks
2859 * us to stop a sched_scan when it's already stopped. This
2860 * can happen, for instance, if we stopped the scan ourselves,
2861 * called ieee80211_sched_scan_stopped() and the userspace called
2862 * stop sched scan scan before ieee80211_sched_scan_stopped_work()
2863 * could run. To handle this, simply return if the scan is
2866 if (!(mvm
->scan_status
& IWL_MVM_SCAN_SCHED
)) {
2867 mutex_unlock(&mvm
->mutex
);
2871 ret
= iwl_mvm_scan_stop(mvm
, IWL_MVM_SCAN_SCHED
, false);
2872 mutex_unlock(&mvm
->mutex
);
2873 iwl_mvm_wait_for_async_handlers(mvm
);
2878 static int iwl_mvm_mac_set_key(struct ieee80211_hw
*hw
,
2879 enum set_key_cmd cmd
,
2880 struct ieee80211_vif
*vif
,
2881 struct ieee80211_sta
*sta
,
2882 struct ieee80211_key_conf
*key
)
2884 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2885 struct iwl_mvm_sta
*mvmsta
;
2886 struct iwl_mvm_key_pn
*ptk_pn
;
2887 int keyidx
= key
->keyidx
;
2891 if (iwlwifi_mod_params
.swcrypto
) {
2892 IWL_DEBUG_MAC80211(mvm
, "leave - hwcrypto disabled\n");
2896 switch (key
->cipher
) {
2897 case WLAN_CIPHER_SUITE_TKIP
:
2898 key
->flags
|= IEEE80211_KEY_FLAG_GENERATE_MMIC
;
2899 key
->flags
|= IEEE80211_KEY_FLAG_PUT_IV_SPACE
;
2901 case WLAN_CIPHER_SUITE_CCMP
:
2902 case WLAN_CIPHER_SUITE_GCMP
:
2903 case WLAN_CIPHER_SUITE_GCMP_256
:
2904 if (!iwl_mvm_has_new_tx_api(mvm
))
2905 key
->flags
|= IEEE80211_KEY_FLAG_PUT_IV_SPACE
;
2907 case WLAN_CIPHER_SUITE_AES_CMAC
:
2908 case WLAN_CIPHER_SUITE_BIP_GMAC_128
:
2909 case WLAN_CIPHER_SUITE_BIP_GMAC_256
:
2910 WARN_ON_ONCE(!ieee80211_hw_check(hw
, MFP_CAPABLE
));
2912 case WLAN_CIPHER_SUITE_WEP40
:
2913 case WLAN_CIPHER_SUITE_WEP104
:
2914 /* For non-client mode, only use WEP keys for TX as we probably
2915 * don't have a station yet anyway and would then have to keep
2916 * track of the keys, linking them to each of the clients/peers
2917 * as they appear. For now, don't do that, for performance WEP
2918 * offload doesn't really matter much, but we need it for some
2919 * other offload features in client mode.
2921 if (vif
->type
!= NL80211_IFTYPE_STATION
)
2925 /* currently FW supports only one optional cipher scheme */
2926 if (hw
->n_cipher_schemes
&&
2927 hw
->cipher_schemes
->cipher
== key
->cipher
)
2928 key
->flags
|= IEEE80211_KEY_FLAG_PUT_IV_SPACE
;
2933 mutex_lock(&mvm
->mutex
);
2937 if ((vif
->type
== NL80211_IFTYPE_ADHOC
||
2938 vif
->type
== NL80211_IFTYPE_AP
) && !sta
) {
2940 * GTK on AP interface is a TX-only key, return 0;
2941 * on IBSS they're per-station and because we're lazy
2942 * we don't support them for RX, so do the same.
2943 * CMAC/GMAC in AP/IBSS modes must be done in software.
2945 if (key
->cipher
== WLAN_CIPHER_SUITE_AES_CMAC
||
2946 key
->cipher
== WLAN_CIPHER_SUITE_BIP_GMAC_128
||
2947 key
->cipher
== WLAN_CIPHER_SUITE_BIP_GMAC_256
)
2952 if (key
->cipher
!= WLAN_CIPHER_SUITE_GCMP
&&
2953 key
->cipher
!= WLAN_CIPHER_SUITE_GCMP_256
&&
2954 !iwl_mvm_has_new_tx_api(mvm
)) {
2955 key
->hw_key_idx
= STA_KEY_IDX_INVALID
;
2960 /* During FW restart, in order to restore the state as it was,
2961 * don't try to reprogram keys we previously failed for.
2963 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
) &&
2964 key
->hw_key_idx
== STA_KEY_IDX_INVALID
) {
2965 IWL_DEBUG_MAC80211(mvm
,
2966 "skip invalid idx key programming during restart\n");
2971 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
) &&
2972 sta
&& iwl_mvm_has_new_rx_api(mvm
) &&
2973 key
->flags
& IEEE80211_KEY_FLAG_PAIRWISE
&&
2974 (key
->cipher
== WLAN_CIPHER_SUITE_CCMP
||
2975 key
->cipher
== WLAN_CIPHER_SUITE_GCMP
||
2976 key
->cipher
== WLAN_CIPHER_SUITE_GCMP_256
)) {
2977 struct ieee80211_key_seq seq
;
2980 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
2981 WARN_ON(rcu_access_pointer(mvmsta
->ptk_pn
[keyidx
]));
2982 ptk_pn
= kzalloc(sizeof(*ptk_pn
) +
2983 mvm
->trans
->num_rx_queues
*
2984 sizeof(ptk_pn
->q
[0]),
2991 for (tid
= 0; tid
< IWL_MAX_TID_COUNT
; tid
++) {
2992 ieee80211_get_key_rx_seq(key
, tid
, &seq
);
2993 for (q
= 0; q
< mvm
->trans
->num_rx_queues
; q
++)
2994 memcpy(ptk_pn
->q
[q
].pn
[tid
],
2996 IEEE80211_CCMP_PN_LEN
);
2999 rcu_assign_pointer(mvmsta
->ptk_pn
[keyidx
], ptk_pn
);
3002 /* in HW restart reuse the index, otherwise request a new one */
3003 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
))
3004 key_offset
= key
->hw_key_idx
;
3006 key_offset
= STA_KEY_IDX_INVALID
;
3008 IWL_DEBUG_MAC80211(mvm
, "set hwcrypto key\n");
3009 ret
= iwl_mvm_set_sta_key(mvm
, vif
, sta
, key
, key_offset
);
3011 IWL_WARN(mvm
, "set key failed\n");
3013 * can't add key for RX, but we don't need it
3014 * in the device for TX so still return 0
3016 key
->hw_key_idx
= STA_KEY_IDX_INVALID
;
3022 if (key
->hw_key_idx
== STA_KEY_IDX_INVALID
) {
3027 if (sta
&& iwl_mvm_has_new_rx_api(mvm
) &&
3028 key
->flags
& IEEE80211_KEY_FLAG_PAIRWISE
&&
3029 (key
->cipher
== WLAN_CIPHER_SUITE_CCMP
||
3030 key
->cipher
== WLAN_CIPHER_SUITE_GCMP
||
3031 key
->cipher
== WLAN_CIPHER_SUITE_GCMP_256
)) {
3032 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
3033 ptk_pn
= rcu_dereference_protected(
3034 mvmsta
->ptk_pn
[keyidx
],
3035 lockdep_is_held(&mvm
->mutex
));
3036 RCU_INIT_POINTER(mvmsta
->ptk_pn
[keyidx
], NULL
);
3038 kfree_rcu(ptk_pn
, rcu_head
);
3041 IWL_DEBUG_MAC80211(mvm
, "disable hwcrypto key\n");
3042 ret
= iwl_mvm_remove_sta_key(mvm
, vif
, sta
, key
);
3048 mutex_unlock(&mvm
->mutex
);
3052 static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw
*hw
,
3053 struct ieee80211_vif
*vif
,
3054 struct ieee80211_key_conf
*keyconf
,
3055 struct ieee80211_sta
*sta
,
3056 u32 iv32
, u16
*phase1key
)
3058 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3060 if (keyconf
->hw_key_idx
== STA_KEY_IDX_INVALID
)
3063 iwl_mvm_update_tkip_key(mvm
, vif
, keyconf
, sta
, iv32
, phase1key
);
3067 static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data
*notif_wait
,
3068 struct iwl_rx_packet
*pkt
, void *data
)
3070 struct iwl_mvm
*mvm
=
3071 container_of(notif_wait
, struct iwl_mvm
, notif_wait
);
3072 struct iwl_hs20_roc_res
*resp
;
3073 int resp_len
= iwl_rx_packet_payload_len(pkt
);
3074 struct iwl_mvm_time_event_data
*te_data
= data
;
3076 if (WARN_ON(pkt
->hdr
.cmd
!= HOT_SPOT_CMD
))
3079 if (WARN_ON_ONCE(resp_len
!= sizeof(*resp
))) {
3080 IWL_ERR(mvm
, "Invalid HOT_SPOT_CMD response\n");
3084 resp
= (void *)pkt
->data
;
3087 "Aux ROC: Recieved response from ucode: status=%d uid=%d\n",
3088 resp
->status
, resp
->event_unique_id
);
3090 te_data
->uid
= le32_to_cpu(resp
->event_unique_id
);
3091 IWL_DEBUG_TE(mvm
, "TIME_EVENT_CMD response - UID = 0x%x\n",
3094 spin_lock_bh(&mvm
->time_event_lock
);
3095 list_add_tail(&te_data
->list
, &mvm
->aux_roc_te_list
);
3096 spin_unlock_bh(&mvm
->time_event_lock
);
3101 #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100)
3102 #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200)
3103 #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600)
3104 #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20)
3105 #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10)
3106 static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm
*mvm
,
3107 struct ieee80211_channel
*channel
,
3108 struct ieee80211_vif
*vif
,
3111 int res
, time_reg
= DEVICE_SYSTEM_TIME_REG
;
3112 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3113 struct iwl_mvm_time_event_data
*te_data
= &mvmvif
->hs_time_event_data
;
3114 static const u16 time_event_response
[] = { HOT_SPOT_CMD
};
3115 struct iwl_notification_wait wait_time_event
;
3116 u32 dtim_interval
= vif
->bss_conf
.dtim_period
*
3117 vif
->bss_conf
.beacon_int
;
3119 struct iwl_hs20_roc_req aux_roc_req
= {
3120 .action
= cpu_to_le32(FW_CTXT_ACTION_ADD
),
3122 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX
, 0)),
3123 .sta_id_and_color
= cpu_to_le32(mvm
->aux_sta
.sta_id
),
3124 /* Set the channel info data */
3125 .channel_info
.band
= (channel
->band
== NL80211_BAND_2GHZ
) ?
3126 PHY_BAND_24
: PHY_BAND_5
,
3127 .channel_info
.channel
= channel
->hw_value
,
3128 .channel_info
.width
= PHY_VHT_CHANNEL_MODE20
,
3129 /* Set the time and duration */
3130 .apply_time
= cpu_to_le32(iwl_read_prph(mvm
->trans
, time_reg
)),
3133 delay
= AUX_ROC_MIN_DELAY
;
3134 req_dur
= MSEC_TO_TU(duration
);
3137 * If we are associated we want the delay time to be at least one
3138 * dtim interval so that the FW can wait until after the DTIM and
3139 * then start the time event, this will potentially allow us to
3140 * remain off-channel for the max duration.
3141 * Since we want to use almost a whole dtim interval we would also
3142 * like the delay to be for 2-3 dtim intervals, in case there are
3143 * other time events with higher priority.
3145 if (vif
->bss_conf
.assoc
) {
3146 delay
= min_t(u32
, dtim_interval
* 3, AUX_ROC_MAX_DELAY
);
3147 /* We cannot remain off-channel longer than the DTIM interval */
3148 if (dtim_interval
<= req_dur
) {
3149 req_dur
= dtim_interval
- AUX_ROC_SAFETY_BUFFER
;
3150 if (req_dur
<= AUX_ROC_MIN_DURATION
)
3151 req_dur
= dtim_interval
-
3152 AUX_ROC_MIN_SAFETY_BUFFER
;
3156 aux_roc_req
.duration
= cpu_to_le32(req_dur
);
3157 aux_roc_req
.apply_time_max_delay
= cpu_to_le32(delay
);
3160 "ROC: Requesting to remain on channel %u for %ums (requested = %ums, max_delay = %ums, dtim_interval = %ums)\n",
3161 channel
->hw_value
, req_dur
, duration
, delay
,
3163 /* Set the node address */
3164 memcpy(aux_roc_req
.node_addr
, vif
->addr
, ETH_ALEN
);
3166 lockdep_assert_held(&mvm
->mutex
);
3168 spin_lock_bh(&mvm
->time_event_lock
);
3170 if (WARN_ON(te_data
->id
== HOT_SPOT_CMD
)) {
3171 spin_unlock_bh(&mvm
->time_event_lock
);
3176 te_data
->duration
= duration
;
3177 te_data
->id
= HOT_SPOT_CMD
;
3179 spin_unlock_bh(&mvm
->time_event_lock
);
3182 * Use a notification wait, which really just processes the
3183 * command response and doesn't wait for anything, in order
3184 * to be able to process the response and get the UID inside
3185 * the RX path. Using CMD_WANT_SKB doesn't work because it
3186 * stores the buffer and then wakes up this thread, by which
3187 * time another notification (that the time event started)
3188 * might already be processed unsuccessfully.
3190 iwl_init_notification_wait(&mvm
->notif_wait
, &wait_time_event
,
3191 time_event_response
,
3192 ARRAY_SIZE(time_event_response
),
3193 iwl_mvm_rx_aux_roc
, te_data
);
3195 res
= iwl_mvm_send_cmd_pdu(mvm
, HOT_SPOT_CMD
, 0, sizeof(aux_roc_req
),
3199 IWL_ERR(mvm
, "Couldn't send HOT_SPOT_CMD: %d\n", res
);
3200 iwl_remove_notification(&mvm
->notif_wait
, &wait_time_event
);
3204 /* No need to wait for anything, so just pass 1 (0 isn't valid) */
3205 res
= iwl_wait_notification(&mvm
->notif_wait
, &wait_time_event
, 1);
3206 /* should never fail */
3211 spin_lock_bh(&mvm
->time_event_lock
);
3212 iwl_mvm_te_clear_data(mvm
, te_data
);
3213 spin_unlock_bh(&mvm
->time_event_lock
);
3219 static int iwl_mvm_roc(struct ieee80211_hw
*hw
,
3220 struct ieee80211_vif
*vif
,
3221 struct ieee80211_channel
*channel
,
3223 enum ieee80211_roc_type type
)
3225 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3226 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3227 struct cfg80211_chan_def chandef
;
3228 struct iwl_mvm_phy_ctxt
*phy_ctxt
;
3231 IWL_DEBUG_MAC80211(mvm
, "enter (%d, %d, %d)\n", channel
->hw_value
,
3234 flush_work(&mvm
->roc_done_wk
);
3236 mutex_lock(&mvm
->mutex
);
3238 switch (vif
->type
) {
3239 case NL80211_IFTYPE_STATION
:
3240 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
3241 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT
)) {
3242 /* Use aux roc framework (HS20) */
3243 ret
= iwl_mvm_send_aux_roc_cmd(mvm
, channel
,
3247 IWL_ERR(mvm
, "hotspot not supported\n");
3250 case NL80211_IFTYPE_P2P_DEVICE
:
3254 IWL_ERR(mvm
, "vif isn't P2P_DEVICE: %d\n", vif
->type
);
3259 for (i
= 0; i
< NUM_PHY_CTX
; i
++) {
3260 phy_ctxt
= &mvm
->phy_ctxts
[i
];
3261 if (phy_ctxt
->ref
== 0 || mvmvif
->phy_ctxt
== phy_ctxt
)
3264 if (phy_ctxt
->ref
&& channel
== phy_ctxt
->channel
) {
3266 * Unbind the P2P_DEVICE from the current PHY context,
3267 * and if the PHY context is not used remove it.
3269 ret
= iwl_mvm_binding_remove_vif(mvm
, vif
);
3270 if (WARN(ret
, "Failed unbinding P2P_DEVICE\n"))
3273 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
3275 /* Bind the P2P_DEVICE to the current PHY Context */
3276 mvmvif
->phy_ctxt
= phy_ctxt
;
3278 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
3279 if (WARN(ret
, "Failed binding P2P_DEVICE\n"))
3282 iwl_mvm_phy_ctxt_ref(mvm
, mvmvif
->phy_ctxt
);
3283 goto schedule_time_event
;
3287 /* Need to update the PHY context only if the ROC channel changed */
3288 if (channel
== mvmvif
->phy_ctxt
->channel
)
3289 goto schedule_time_event
;
3291 cfg80211_chandef_create(&chandef
, channel
, NL80211_CHAN_NO_HT
);
3294 * Change the PHY context configuration as it is currently referenced
3295 * only by the P2P Device MAC
3297 if (mvmvif
->phy_ctxt
->ref
== 1) {
3298 ret
= iwl_mvm_phy_ctxt_changed(mvm
, mvmvif
->phy_ctxt
,
3304 * The PHY context is shared with other MACs. Need to remove the
3305 * P2P Device from the binding, allocate an new PHY context and
3306 * create a new binding
3308 phy_ctxt
= iwl_mvm_get_free_phy_ctxt(mvm
);
3314 ret
= iwl_mvm_phy_ctxt_changed(mvm
, phy_ctxt
, &chandef
,
3317 IWL_ERR(mvm
, "Failed to change PHY context\n");
3321 /* Unbind the P2P_DEVICE from the current PHY context */
3322 ret
= iwl_mvm_binding_remove_vif(mvm
, vif
);
3323 if (WARN(ret
, "Failed unbinding P2P_DEVICE\n"))
3326 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
3328 /* Bind the P2P_DEVICE to the new allocated PHY context */
3329 mvmvif
->phy_ctxt
= phy_ctxt
;
3331 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
3332 if (WARN(ret
, "Failed binding P2P_DEVICE\n"))
3335 iwl_mvm_phy_ctxt_ref(mvm
, mvmvif
->phy_ctxt
);
3338 schedule_time_event
:
3339 /* Schedule the time events */
3340 ret
= iwl_mvm_start_p2p_roc(mvm
, vif
, duration
, type
);
3343 mutex_unlock(&mvm
->mutex
);
3344 IWL_DEBUG_MAC80211(mvm
, "leave\n");
3348 static int iwl_mvm_cancel_roc(struct ieee80211_hw
*hw
)
3350 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3352 IWL_DEBUG_MAC80211(mvm
, "enter\n");
3354 mutex_lock(&mvm
->mutex
);
3355 iwl_mvm_stop_roc(mvm
);
3356 mutex_unlock(&mvm
->mutex
);
3358 IWL_DEBUG_MAC80211(mvm
, "leave\n");
3362 static int __iwl_mvm_add_chanctx(struct iwl_mvm
*mvm
,
3363 struct ieee80211_chanctx_conf
*ctx
)
3365 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
3366 struct iwl_mvm_phy_ctxt
*phy_ctxt
;
3369 lockdep_assert_held(&mvm
->mutex
);
3371 IWL_DEBUG_MAC80211(mvm
, "Add channel context\n");
3373 phy_ctxt
= iwl_mvm_get_free_phy_ctxt(mvm
);
3379 ret
= iwl_mvm_phy_ctxt_changed(mvm
, phy_ctxt
, &ctx
->min_def
,
3380 ctx
->rx_chains_static
,
3381 ctx
->rx_chains_dynamic
);
3383 IWL_ERR(mvm
, "Failed to add PHY context\n");
3387 iwl_mvm_phy_ctxt_ref(mvm
, phy_ctxt
);
3388 *phy_ctxt_id
= phy_ctxt
->id
;
3393 static int iwl_mvm_add_chanctx(struct ieee80211_hw
*hw
,
3394 struct ieee80211_chanctx_conf
*ctx
)
3396 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3399 mutex_lock(&mvm
->mutex
);
3400 ret
= __iwl_mvm_add_chanctx(mvm
, ctx
);
3401 mutex_unlock(&mvm
->mutex
);
3406 static void __iwl_mvm_remove_chanctx(struct iwl_mvm
*mvm
,
3407 struct ieee80211_chanctx_conf
*ctx
)
3409 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
3410 struct iwl_mvm_phy_ctxt
*phy_ctxt
= &mvm
->phy_ctxts
[*phy_ctxt_id
];
3412 lockdep_assert_held(&mvm
->mutex
);
3414 iwl_mvm_phy_ctxt_unref(mvm
, phy_ctxt
);
3417 static void iwl_mvm_remove_chanctx(struct ieee80211_hw
*hw
,
3418 struct ieee80211_chanctx_conf
*ctx
)
3420 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3422 mutex_lock(&mvm
->mutex
);
3423 __iwl_mvm_remove_chanctx(mvm
, ctx
);
3424 mutex_unlock(&mvm
->mutex
);
3427 static void iwl_mvm_change_chanctx(struct ieee80211_hw
*hw
,
3428 struct ieee80211_chanctx_conf
*ctx
,
3431 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3432 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
3433 struct iwl_mvm_phy_ctxt
*phy_ctxt
= &mvm
->phy_ctxts
[*phy_ctxt_id
];
3435 if (WARN_ONCE((phy_ctxt
->ref
> 1) &&
3436 (changed
& ~(IEEE80211_CHANCTX_CHANGE_WIDTH
|
3437 IEEE80211_CHANCTX_CHANGE_RX_CHAINS
|
3438 IEEE80211_CHANCTX_CHANGE_RADAR
|
3439 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH
)),
3440 "Cannot change PHY. Ref=%d, changed=0x%X\n",
3441 phy_ctxt
->ref
, changed
))
3444 mutex_lock(&mvm
->mutex
);
3445 iwl_mvm_bt_coex_vif_change(mvm
);
3446 iwl_mvm_phy_ctxt_changed(mvm
, phy_ctxt
, &ctx
->min_def
,
3447 ctx
->rx_chains_static
,
3448 ctx
->rx_chains_dynamic
);
3449 mutex_unlock(&mvm
->mutex
);
3452 static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm
*mvm
,
3453 struct ieee80211_vif
*vif
,
3454 struct ieee80211_chanctx_conf
*ctx
,
3455 bool switching_chanctx
)
3457 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
3458 struct iwl_mvm_phy_ctxt
*phy_ctxt
= &mvm
->phy_ctxts
[*phy_ctxt_id
];
3459 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3462 lockdep_assert_held(&mvm
->mutex
);
3464 mvmvif
->phy_ctxt
= phy_ctxt
;
3466 switch (vif
->type
) {
3467 case NL80211_IFTYPE_AP
:
3468 /* only needed if we're switching chanctx (i.e. during CSA) */
3469 if (switching_chanctx
) {
3470 mvmvif
->ap_ibss_active
= true;
3473 case NL80211_IFTYPE_ADHOC
:
3475 * The AP binding flow is handled as part of the start_ap flow
3476 * (in bss_info_changed), similarly for IBSS.
3480 case NL80211_IFTYPE_STATION
:
3482 case NL80211_IFTYPE_MONITOR
:
3483 /* always disable PS when a monitor interface is active */
3484 mvmvif
->ps_disabled
= true;
3491 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
3496 * Power state must be updated before quotas,
3497 * otherwise fw will complain.
3499 iwl_mvm_power_update_mac(mvm
);
3501 /* Setting the quota at this stage is only required for monitor
3502 * interfaces. For the other types, the bss_info changed flow
3503 * will handle quota settings.
3505 if (vif
->type
== NL80211_IFTYPE_MONITOR
) {
3506 mvmvif
->monitor_active
= true;
3507 ret
= iwl_mvm_update_quotas(mvm
, false, NULL
);
3509 goto out_remove_binding
;
3511 ret
= iwl_mvm_add_snif_sta(mvm
, vif
);
3513 goto out_remove_binding
;
3517 /* Handle binding during CSA */
3518 if (vif
->type
== NL80211_IFTYPE_AP
) {
3519 iwl_mvm_update_quotas(mvm
, false, NULL
);
3520 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
3523 if (switching_chanctx
&& vif
->type
== NL80211_IFTYPE_STATION
) {
3524 u32 duration
= 2 * vif
->bss_conf
.beacon_int
;
3526 /* iwl_mvm_protect_session() reads directly from the
3527 * device (the system time), so make sure it is
3530 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_PROTECT_CSA
);
3532 goto out_remove_binding
;
3534 /* Protect the session to make sure we hear the first
3535 * beacon on the new channel.
3537 iwl_mvm_protect_session(mvm
, vif
, duration
, duration
,
3538 vif
->bss_conf
.beacon_int
/ 2,
3541 iwl_mvm_unref(mvm
, IWL_MVM_REF_PROTECT_CSA
);
3543 iwl_mvm_update_quotas(mvm
, false, NULL
);
3549 iwl_mvm_binding_remove_vif(mvm
, vif
);
3550 iwl_mvm_power_update_mac(mvm
);
3553 mvmvif
->phy_ctxt
= NULL
;
3556 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw
*hw
,
3557 struct ieee80211_vif
*vif
,
3558 struct ieee80211_chanctx_conf
*ctx
)
3560 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3563 mutex_lock(&mvm
->mutex
);
3564 ret
= __iwl_mvm_assign_vif_chanctx(mvm
, vif
, ctx
, false);
3565 mutex_unlock(&mvm
->mutex
);
3570 static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm
*mvm
,
3571 struct ieee80211_vif
*vif
,
3572 struct ieee80211_chanctx_conf
*ctx
,
3573 bool switching_chanctx
)
3575 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3576 struct ieee80211_vif
*disabled_vif
= NULL
;
3578 lockdep_assert_held(&mvm
->mutex
);
3580 iwl_mvm_remove_time_event(mvm
, mvmvif
, &mvmvif
->time_event_data
);
3582 switch (vif
->type
) {
3583 case NL80211_IFTYPE_ADHOC
:
3585 case NL80211_IFTYPE_MONITOR
:
3586 mvmvif
->monitor_active
= false;
3587 mvmvif
->ps_disabled
= false;
3588 iwl_mvm_rm_snif_sta(mvm
, vif
);
3590 case NL80211_IFTYPE_AP
:
3591 /* This part is triggered only during CSA */
3592 if (!switching_chanctx
|| !mvmvif
->ap_ibss_active
)
3595 mvmvif
->csa_countdown
= false;
3597 /* Set CS bit on all the stations */
3598 iwl_mvm_modify_all_sta_disable_tx(mvm
, mvmvif
, true);
3600 /* Save blocked iface, the timeout is set on the next beacon */
3601 rcu_assign_pointer(mvm
->csa_tx_blocked_vif
, vif
);
3603 mvmvif
->ap_ibss_active
= false;
3605 case NL80211_IFTYPE_STATION
:
3606 if (!switching_chanctx
)
3611 iwl_mvm_mac_ctxt_changed(mvm
, vif
, true, NULL
);
3617 iwl_mvm_update_quotas(mvm
, false, disabled_vif
);
3618 iwl_mvm_binding_remove_vif(mvm
, vif
);
3621 mvmvif
->phy_ctxt
= NULL
;
3622 iwl_mvm_power_update_mac(mvm
);
3625 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw
*hw
,
3626 struct ieee80211_vif
*vif
,
3627 struct ieee80211_chanctx_conf
*ctx
)
3629 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3631 mutex_lock(&mvm
->mutex
);
3632 __iwl_mvm_unassign_vif_chanctx(mvm
, vif
, ctx
, false);
3633 mutex_unlock(&mvm
->mutex
);
3637 iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm
*mvm
,
3638 struct ieee80211_vif_chanctx_switch
*vifs
)
3642 mutex_lock(&mvm
->mutex
);
3643 __iwl_mvm_unassign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].old_ctx
, true);
3644 __iwl_mvm_remove_chanctx(mvm
, vifs
[0].old_ctx
);
3646 ret
= __iwl_mvm_add_chanctx(mvm
, vifs
[0].new_ctx
);
3648 IWL_ERR(mvm
, "failed to add new_ctx during channel switch\n");
3652 ret
= __iwl_mvm_assign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].new_ctx
,
3656 "failed to assign new_ctx during channel switch\n");
3660 /* we don't support TDLS during DCM - can be caused by channel switch */
3661 if (iwl_mvm_phy_ctx_count(mvm
) > 1)
3662 iwl_mvm_teardown_tdls_peers(mvm
);
3667 __iwl_mvm_remove_chanctx(mvm
, vifs
[0].new_ctx
);
3670 if (__iwl_mvm_add_chanctx(mvm
, vifs
[0].old_ctx
)) {
3671 IWL_ERR(mvm
, "failed to add old_ctx back after failure.\n");
3675 if (__iwl_mvm_assign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].old_ctx
,
3677 IWL_ERR(mvm
, "failed to reassign old_ctx after failure.\n");
3684 /* things keep failing, better restart the hw */
3685 iwl_mvm_nic_restart(mvm
, false);
3688 mutex_unlock(&mvm
->mutex
);
3694 iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm
*mvm
,
3695 struct ieee80211_vif_chanctx_switch
*vifs
)
3699 mutex_lock(&mvm
->mutex
);
3700 __iwl_mvm_unassign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].old_ctx
, true);
3702 ret
= __iwl_mvm_assign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].new_ctx
,
3706 "failed to assign new_ctx during channel switch\n");
3713 if (__iwl_mvm_assign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].old_ctx
,
3715 IWL_ERR(mvm
, "failed to reassign old_ctx after failure.\n");
3722 /* things keep failing, better restart the hw */
3723 iwl_mvm_nic_restart(mvm
, false);
3726 mutex_unlock(&mvm
->mutex
);
3731 static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw
*hw
,
3732 struct ieee80211_vif_chanctx_switch
*vifs
,
3734 enum ieee80211_chanctx_switch_mode mode
)
3736 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3739 /* we only support a single-vif right now */
3744 case CHANCTX_SWMODE_SWAP_CONTEXTS
:
3745 ret
= iwl_mvm_switch_vif_chanctx_swap(mvm
, vifs
);
3747 case CHANCTX_SWMODE_REASSIGN_VIF
:
3748 ret
= iwl_mvm_switch_vif_chanctx_reassign(mvm
, vifs
);
3758 static int iwl_mvm_tx_last_beacon(struct ieee80211_hw
*hw
)
3760 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3762 return mvm
->ibss_manager
;
3765 static int iwl_mvm_set_tim(struct ieee80211_hw
*hw
,
3766 struct ieee80211_sta
*sta
,
3769 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3770 struct iwl_mvm_sta
*mvm_sta
= iwl_mvm_sta_from_mac80211(sta
);
3772 if (!mvm_sta
|| !mvm_sta
->vif
) {
3773 IWL_ERR(mvm
, "Station is not associated to a vif\n");
3777 return iwl_mvm_mac_ctxt_beacon_changed(mvm
, mvm_sta
->vif
);
3780 #ifdef CONFIG_NL80211_TESTMODE
3781 static const struct nla_policy iwl_mvm_tm_policy
[IWL_MVM_TM_ATTR_MAX
+ 1] = {
3782 [IWL_MVM_TM_ATTR_CMD
] = { .type
= NLA_U32
},
3783 [IWL_MVM_TM_ATTR_NOA_DURATION
] = { .type
= NLA_U32
},
3784 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE
] = { .type
= NLA_U32
},
3787 static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm
*mvm
,
3788 struct ieee80211_vif
*vif
,
3789 void *data
, int len
)
3791 struct nlattr
*tb
[IWL_MVM_TM_ATTR_MAX
+ 1];
3795 err
= nla_parse(tb
, IWL_MVM_TM_ATTR_MAX
, data
, len
, iwl_mvm_tm_policy
,
3800 if (!tb
[IWL_MVM_TM_ATTR_CMD
])
3803 switch (nla_get_u32(tb
[IWL_MVM_TM_ATTR_CMD
])) {
3804 case IWL_MVM_TM_CMD_SET_NOA
:
3805 if (!vif
|| vif
->type
!= NL80211_IFTYPE_AP
|| !vif
->p2p
||
3806 !vif
->bss_conf
.enable_beacon
||
3807 !tb
[IWL_MVM_TM_ATTR_NOA_DURATION
])
3810 noa_duration
= nla_get_u32(tb
[IWL_MVM_TM_ATTR_NOA_DURATION
]);
3811 if (noa_duration
>= vif
->bss_conf
.beacon_int
)
3814 mvm
->noa_duration
= noa_duration
;
3817 return iwl_mvm_update_quotas(mvm
, false, NULL
);
3818 case IWL_MVM_TM_CMD_SET_BEACON_FILTER
:
3819 /* must be associated client vif - ignore authorized */
3820 if (!vif
|| vif
->type
!= NL80211_IFTYPE_STATION
||
3821 !vif
->bss_conf
.assoc
|| !vif
->bss_conf
.dtim_period
||
3822 !tb
[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE
])
3825 if (nla_get_u32(tb
[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE
]))
3826 return iwl_mvm_enable_beacon_filter(mvm
, vif
, 0);
3827 return iwl_mvm_disable_beacon_filter(mvm
, vif
, 0);
3833 static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw
*hw
,
3834 struct ieee80211_vif
*vif
,
3835 void *data
, int len
)
3837 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3840 mutex_lock(&mvm
->mutex
);
3841 err
= __iwl_mvm_mac_testmode_cmd(mvm
, vif
, data
, len
);
3842 mutex_unlock(&mvm
->mutex
);
3848 static void iwl_mvm_channel_switch(struct ieee80211_hw
*hw
,
3849 struct ieee80211_vif
*vif
,
3850 struct ieee80211_channel_switch
*chsw
)
3852 /* By implementing this operation, we prevent mac80211 from
3853 * starting its own channel switch timer, so that we can call
3854 * ieee80211_chswitch_done() ourselves at the right time
3855 * (which is when the absence time event starts).
3858 IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw
),
3859 "dummy channel switch op\n");
3862 static int iwl_mvm_pre_channel_switch(struct ieee80211_hw
*hw
,
3863 struct ieee80211_vif
*vif
,
3864 struct ieee80211_channel_switch
*chsw
)
3866 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3867 struct ieee80211_vif
*csa_vif
;
3868 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3872 mutex_lock(&mvm
->mutex
);
3874 mvmvif
->csa_failed
= false;
3876 IWL_DEBUG_MAC80211(mvm
, "pre CSA to freq %d\n",
3877 chsw
->chandef
.center_freq1
);
3879 iwl_fw_dbg_trigger_simple_stop(mvm
, vif
, FW_DBG_TRIGGER_CHANNEL_SWITCH
);
3881 switch (vif
->type
) {
3882 case NL80211_IFTYPE_AP
:
3884 rcu_dereference_protected(mvm
->csa_vif
,
3885 lockdep_is_held(&mvm
->mutex
));
3886 if (WARN_ONCE(csa_vif
&& csa_vif
->csa_active
,
3887 "Another CSA is already in progress")) {
3892 /* we still didn't unblock tx. prevent new CS meanwhile */
3893 if (rcu_dereference_protected(mvm
->csa_tx_blocked_vif
,
3894 lockdep_is_held(&mvm
->mutex
))) {
3899 rcu_assign_pointer(mvm
->csa_vif
, vif
);
3901 if (WARN_ONCE(mvmvif
->csa_countdown
,
3902 "Previous CSA countdown didn't complete")) {
3907 mvmvif
->csa_target_freq
= chsw
->chandef
.chan
->center_freq
;
3910 case NL80211_IFTYPE_STATION
:
3911 if (mvmvif
->lqm_active
)
3912 iwl_mvm_send_lqm_cmd(vif
,
3913 LQM_CMD_OPERATION_STOP_MEASUREMENT
,
3916 /* Schedule the time event to a bit before beacon 1,
3917 * to make sure we're in the new channel when the
3920 apply_time
= chsw
->device_timestamp
+
3921 ((vif
->bss_conf
.beacon_int
* (chsw
->count
- 1) -
3922 IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT
) * 1024);
3925 iwl_mvm_csa_client_absent(mvm
, vif
);
3927 iwl_mvm_schedule_csa_period(mvm
, vif
, vif
->bss_conf
.beacon_int
,
3929 if (mvmvif
->bf_data
.bf_enabled
) {
3930 ret
= iwl_mvm_disable_beacon_filter(mvm
, vif
, 0);
3940 mvmvif
->ps_disabled
= true;
3942 ret
= iwl_mvm_power_update_ps(mvm
);
3946 /* we won't be on this channel any longer */
3947 iwl_mvm_teardown_tdls_peers(mvm
);
3950 mutex_unlock(&mvm
->mutex
);
3955 static int iwl_mvm_post_channel_switch(struct ieee80211_hw
*hw
,
3956 struct ieee80211_vif
*vif
)
3958 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3959 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3962 mutex_lock(&mvm
->mutex
);
3964 if (mvmvif
->csa_failed
) {
3965 mvmvif
->csa_failed
= false;
3970 if (vif
->type
== NL80211_IFTYPE_STATION
) {
3971 struct iwl_mvm_sta
*mvmsta
;
3973 mvmsta
= iwl_mvm_sta_from_staid_protected(mvm
,
3976 if (WARN_ON(!mvmsta
)) {
3981 iwl_mvm_sta_modify_disable_tx(mvm
, mvmsta
, false);
3983 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
3985 ret
= iwl_mvm_enable_beacon_filter(mvm
, vif
, 0);
3989 iwl_mvm_stop_session_protection(mvm
, vif
);
3992 mvmvif
->ps_disabled
= false;
3994 ret
= iwl_mvm_power_update_ps(mvm
);
3997 mutex_unlock(&mvm
->mutex
);
4002 static void iwl_mvm_mac_flush(struct ieee80211_hw
*hw
,
4003 struct ieee80211_vif
*vif
, u32 queues
, bool drop
)
4005 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
4006 struct iwl_mvm_vif
*mvmvif
;
4007 struct iwl_mvm_sta
*mvmsta
;
4008 struct ieee80211_sta
*sta
;
4012 if (!vif
|| vif
->type
!= NL80211_IFTYPE_STATION
)
4015 /* Make sure we're done with the deferred traffic before flushing */
4016 if (iwl_mvm_is_dqa_supported(mvm
))
4017 flush_work(&mvm
->add_stream_wk
);
4019 mutex_lock(&mvm
->mutex
);
4020 mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
4022 /* flush the AP-station and all TDLS peers */
4023 for (i
= 0; i
< ARRAY_SIZE(mvm
->fw_id_to_mac_id
); i
++) {
4024 sta
= rcu_dereference_protected(mvm
->fw_id_to_mac_id
[i
],
4025 lockdep_is_held(&mvm
->mutex
));
4026 if (IS_ERR_OR_NULL(sta
))
4029 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
4030 if (mvmsta
->vif
!= vif
)
4033 /* make sure only TDLS peers or the AP are flushed */
4034 WARN_ON(i
!= mvmvif
->ap_sta_id
&& !sta
->tdls
);
4037 if (iwl_mvm_flush_sta(mvm
, mvmsta
, false, 0))
4038 IWL_ERR(mvm
, "flush request fail\n");
4040 msk
|= mvmsta
->tfd_queue_msk
;
4041 if (iwl_mvm_has_new_tx_api(mvm
))
4042 iwl_mvm_wait_sta_queues_empty(mvm
, mvmsta
);
4046 mutex_unlock(&mvm
->mutex
);
4048 /* this can take a while, and we may need/want other operations
4049 * to succeed while doing this, so do it without the mutex held
4051 if (!drop
&& !iwl_mvm_has_new_tx_api(mvm
))
4052 iwl_trans_wait_tx_queues_empty(mvm
->trans
, msk
);
4055 static int iwl_mvm_mac_get_survey(struct ieee80211_hw
*hw
, int idx
,
4056 struct survey_info
*survey
)
4058 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
4061 memset(survey
, 0, sizeof(*survey
));
4063 /* only support global statistics right now */
4067 if (!fw_has_capa(&mvm
->fw
->ucode_capa
,
4068 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS
))
4071 mutex_lock(&mvm
->mutex
);
4073 if (iwl_mvm_firmware_running(mvm
)) {
4074 ret
= iwl_mvm_request_statistics(mvm
, false);
4079 survey
->filled
= SURVEY_INFO_TIME
|
4080 SURVEY_INFO_TIME_RX
|
4081 SURVEY_INFO_TIME_TX
|
4082 SURVEY_INFO_TIME_SCAN
;
4083 survey
->time
= mvm
->accu_radio_stats
.on_time_rf
+
4084 mvm
->radio_stats
.on_time_rf
;
4085 do_div(survey
->time
, USEC_PER_MSEC
);
4087 survey
->time_rx
= mvm
->accu_radio_stats
.rx_time
+
4088 mvm
->radio_stats
.rx_time
;
4089 do_div(survey
->time_rx
, USEC_PER_MSEC
);
4091 survey
->time_tx
= mvm
->accu_radio_stats
.tx_time
+
4092 mvm
->radio_stats
.tx_time
;
4093 do_div(survey
->time_tx
, USEC_PER_MSEC
);
4095 survey
->time_scan
= mvm
->accu_radio_stats
.on_time_scan
+
4096 mvm
->radio_stats
.on_time_scan
;
4097 do_div(survey
->time_scan
, USEC_PER_MSEC
);
4101 mutex_unlock(&mvm
->mutex
);
4105 static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw
*hw
,
4106 struct ieee80211_vif
*vif
,
4107 struct ieee80211_sta
*sta
,
4108 struct station_info
*sinfo
)
4110 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
4111 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
4112 struct iwl_mvm_sta
*mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
4114 if (mvmsta
->avg_energy
) {
4115 sinfo
->signal_avg
= mvmsta
->avg_energy
;
4116 sinfo
->filled
|= BIT(NL80211_STA_INFO_SIGNAL_AVG
);
4119 if (!fw_has_capa(&mvm
->fw
->ucode_capa
,
4120 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS
))
4123 /* if beacon filtering isn't on mac80211 does it anyway */
4124 if (!(vif
->driver_flags
& IEEE80211_VIF_BEACON_FILTER
))
4127 if (!vif
->bss_conf
.assoc
)
4130 mutex_lock(&mvm
->mutex
);
4132 if (mvmvif
->ap_sta_id
!= mvmsta
->sta_id
)
4135 if (iwl_mvm_request_statistics(mvm
, false))
4138 sinfo
->rx_beacon
= mvmvif
->beacon_stats
.num_beacons
+
4139 mvmvif
->beacon_stats
.accu_num_beacons
;
4140 sinfo
->filled
|= BIT(NL80211_STA_INFO_BEACON_RX
);
4141 if (mvmvif
->beacon_stats
.avg_signal
) {
4142 /* firmware only reports a value after RXing a few beacons */
4143 sinfo
->rx_beacon_signal_avg
= mvmvif
->beacon_stats
.avg_signal
;
4144 sinfo
->filled
|= BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG
);
4147 mutex_unlock(&mvm
->mutex
);
4150 static void iwl_mvm_event_mlme_callback(struct iwl_mvm
*mvm
,
4151 struct ieee80211_vif
*vif
,
4152 const struct ieee80211_event
*event
)
4154 #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \
4156 if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \
4158 iwl_mvm_fw_dbg_collect_trig(mvm, trig, _fmt); \
4161 struct iwl_fw_dbg_trigger_tlv
*trig
;
4162 struct iwl_fw_dbg_trigger_mlme
*trig_mlme
;
4164 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_MLME
))
4167 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_MLME
);
4168 trig_mlme
= (void *)trig
->data
;
4169 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
4172 if (event
->u
.mlme
.data
== ASSOC_EVENT
) {
4173 if (event
->u
.mlme
.status
== MLME_DENIED
)
4174 CHECK_MLME_TRIGGER(stop_assoc_denied
,
4175 "DENIED ASSOC: reason %d",
4176 event
->u
.mlme
.reason
);
4177 else if (event
->u
.mlme
.status
== MLME_TIMEOUT
)
4178 CHECK_MLME_TRIGGER(stop_assoc_timeout
,
4180 } else if (event
->u
.mlme
.data
== AUTH_EVENT
) {
4181 if (event
->u
.mlme
.status
== MLME_DENIED
)
4182 CHECK_MLME_TRIGGER(stop_auth_denied
,
4183 "DENIED AUTH: reason %d",
4184 event
->u
.mlme
.reason
);
4185 else if (event
->u
.mlme
.status
== MLME_TIMEOUT
)
4186 CHECK_MLME_TRIGGER(stop_auth_timeout
,
4188 } else if (event
->u
.mlme
.data
== DEAUTH_RX_EVENT
) {
4189 CHECK_MLME_TRIGGER(stop_rx_deauth
,
4190 "DEAUTH RX %d", event
->u
.mlme
.reason
);
4191 } else if (event
->u
.mlme
.data
== DEAUTH_TX_EVENT
) {
4192 CHECK_MLME_TRIGGER(stop_tx_deauth
,
4193 "DEAUTH TX %d", event
->u
.mlme
.reason
);
4195 #undef CHECK_MLME_TRIGGER
4198 static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm
*mvm
,
4199 struct ieee80211_vif
*vif
,
4200 const struct ieee80211_event
*event
)
4202 struct iwl_fw_dbg_trigger_tlv
*trig
;
4203 struct iwl_fw_dbg_trigger_ba
*ba_trig
;
4205 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_BA
))
4208 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_BA
);
4209 ba_trig
= (void *)trig
->data
;
4210 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
4213 if (!(le16_to_cpu(ba_trig
->rx_bar
) & BIT(event
->u
.ba
.tid
)))
4216 iwl_mvm_fw_dbg_collect_trig(mvm
, trig
,
4217 "BAR received from %pM, tid %d, ssn %d",
4218 event
->u
.ba
.sta
->addr
, event
->u
.ba
.tid
,
4223 iwl_mvm_event_frame_timeout_callback(struct iwl_mvm
*mvm
,
4224 struct ieee80211_vif
*vif
,
4225 const struct ieee80211_event
*event
)
4227 struct iwl_fw_dbg_trigger_tlv
*trig
;
4228 struct iwl_fw_dbg_trigger_ba
*ba_trig
;
4230 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_BA
))
4233 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_BA
);
4234 ba_trig
= (void *)trig
->data
;
4235 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
4238 if (!(le16_to_cpu(ba_trig
->frame_timeout
) & BIT(event
->u
.ba
.tid
)))
4241 iwl_mvm_fw_dbg_collect_trig(mvm
, trig
,
4242 "Frame from %pM timed out, tid %d",
4243 event
->u
.ba
.sta
->addr
, event
->u
.ba
.tid
);
4246 static void iwl_mvm_mac_event_callback(struct ieee80211_hw
*hw
,
4247 struct ieee80211_vif
*vif
,
4248 const struct ieee80211_event
*event
)
4250 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
4252 switch (event
->type
) {
4254 iwl_mvm_event_mlme_callback(mvm
, vif
, event
);
4257 iwl_mvm_event_bar_rx_callback(mvm
, vif
, event
);
4259 case BA_FRAME_TIMEOUT
:
4260 iwl_mvm_event_frame_timeout_callback(mvm
, vif
, event
);
4267 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm
*mvm
,
4268 struct iwl_mvm_internal_rxq_notif
*notif
,
4271 u32 qmask
= BIT(mvm
->trans
->num_rx_queues
) - 1;
4274 lockdep_assert_held(&mvm
->mutex
);
4276 /* TODO - remove a000 disablement when we have RXQ config API */
4277 if (!iwl_mvm_has_new_rx_api(mvm
) || iwl_mvm_has_new_tx_api(mvm
))
4280 notif
->cookie
= mvm
->queue_sync_cookie
;
4283 atomic_set(&mvm
->queue_sync_counter
,
4284 mvm
->trans
->num_rx_queues
);
4286 ret
= iwl_mvm_notify_rx_queue(mvm
, qmask
, (u8
*)notif
, size
);
4288 IWL_ERR(mvm
, "Failed to trigger RX queues sync (%d)\n", ret
);
4293 ret
= wait_event_timeout(mvm
->rx_sync_waitq
,
4294 atomic_read(&mvm
->queue_sync_counter
) == 0 ||
4295 iwl_mvm_is_radio_killed(mvm
),
4297 WARN_ON_ONCE(!ret
&& !iwl_mvm_is_radio_killed(mvm
));
4301 atomic_set(&mvm
->queue_sync_counter
, 0);
4302 mvm
->queue_sync_cookie
++;
4305 static void iwl_mvm_sync_rx_queues(struct ieee80211_hw
*hw
)
4307 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
4308 struct iwl_mvm_internal_rxq_notif data
= {
4309 .type
= IWL_MVM_RXQ_EMPTY
,
4313 mutex_lock(&mvm
->mutex
);
4314 iwl_mvm_sync_rx_queues_internal(mvm
, &data
, sizeof(data
));
4315 mutex_unlock(&mvm
->mutex
);
4318 const struct ieee80211_ops iwl_mvm_hw_ops
= {
4319 .tx
= iwl_mvm_mac_tx
,
4320 .ampdu_action
= iwl_mvm_mac_ampdu_action
,
4321 .start
= iwl_mvm_mac_start
,
4322 .reconfig_complete
= iwl_mvm_mac_reconfig_complete
,
4323 .stop
= iwl_mvm_mac_stop
,
4324 .add_interface
= iwl_mvm_mac_add_interface
,
4325 .remove_interface
= iwl_mvm_mac_remove_interface
,
4326 .config
= iwl_mvm_mac_config
,
4327 .prepare_multicast
= iwl_mvm_prepare_multicast
,
4328 .configure_filter
= iwl_mvm_configure_filter
,
4329 .config_iface_filter
= iwl_mvm_config_iface_filter
,
4330 .bss_info_changed
= iwl_mvm_bss_info_changed
,
4331 .hw_scan
= iwl_mvm_mac_hw_scan
,
4332 .cancel_hw_scan
= iwl_mvm_mac_cancel_hw_scan
,
4333 .sta_pre_rcu_remove
= iwl_mvm_sta_pre_rcu_remove
,
4334 .sta_state
= iwl_mvm_mac_sta_state
,
4335 .sta_notify
= iwl_mvm_mac_sta_notify
,
4336 .allow_buffered_frames
= iwl_mvm_mac_allow_buffered_frames
,
4337 .release_buffered_frames
= iwl_mvm_mac_release_buffered_frames
,
4338 .set_rts_threshold
= iwl_mvm_mac_set_rts_threshold
,
4339 .sta_rc_update
= iwl_mvm_sta_rc_update
,
4340 .conf_tx
= iwl_mvm_mac_conf_tx
,
4341 .mgd_prepare_tx
= iwl_mvm_mac_mgd_prepare_tx
,
4342 .mgd_protect_tdls_discover
= iwl_mvm_mac_mgd_protect_tdls_discover
,
4343 .flush
= iwl_mvm_mac_flush
,
4344 .sched_scan_start
= iwl_mvm_mac_sched_scan_start
,
4345 .sched_scan_stop
= iwl_mvm_mac_sched_scan_stop
,
4346 .set_key
= iwl_mvm_mac_set_key
,
4347 .update_tkip_key
= iwl_mvm_mac_update_tkip_key
,
4348 .remain_on_channel
= iwl_mvm_roc
,
4349 .cancel_remain_on_channel
= iwl_mvm_cancel_roc
,
4350 .add_chanctx
= iwl_mvm_add_chanctx
,
4351 .remove_chanctx
= iwl_mvm_remove_chanctx
,
4352 .change_chanctx
= iwl_mvm_change_chanctx
,
4353 .assign_vif_chanctx
= iwl_mvm_assign_vif_chanctx
,
4354 .unassign_vif_chanctx
= iwl_mvm_unassign_vif_chanctx
,
4355 .switch_vif_chanctx
= iwl_mvm_switch_vif_chanctx
,
4357 .start_ap
= iwl_mvm_start_ap_ibss
,
4358 .stop_ap
= iwl_mvm_stop_ap_ibss
,
4359 .join_ibss
= iwl_mvm_start_ap_ibss
,
4360 .leave_ibss
= iwl_mvm_stop_ap_ibss
,
4362 .tx_last_beacon
= iwl_mvm_tx_last_beacon
,
4364 .set_tim
= iwl_mvm_set_tim
,
4366 .channel_switch
= iwl_mvm_channel_switch
,
4367 .pre_channel_switch
= iwl_mvm_pre_channel_switch
,
4368 .post_channel_switch
= iwl_mvm_post_channel_switch
,
4370 .tdls_channel_switch
= iwl_mvm_tdls_channel_switch
,
4371 .tdls_cancel_channel_switch
= iwl_mvm_tdls_cancel_channel_switch
,
4372 .tdls_recv_channel_switch
= iwl_mvm_tdls_recv_channel_switch
,
4374 .event_callback
= iwl_mvm_mac_event_callback
,
4376 .sync_rx_queues
= iwl_mvm_sync_rx_queues
,
4378 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd
)
4380 #ifdef CONFIG_PM_SLEEP
4382 .suspend
= iwl_mvm_suspend
,
4383 .resume
= iwl_mvm_resume
,
4384 .set_wakeup
= iwl_mvm_set_wakeup
,
4385 .set_rekey_data
= iwl_mvm_set_rekey_data
,
4386 #if IS_ENABLED(CONFIG_IPV6)
4387 .ipv6_addr_change
= iwl_mvm_ipv6_addr_change
,
4389 .set_default_unicast_key
= iwl_mvm_set_default_unicast_key
,
4391 .get_survey
= iwl_mvm_mac_get_survey
,
4392 .sta_statistics
= iwl_mvm_mac_sta_statistics
,