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 - 2014 Intel Mobile Communications GmbH
10 * Copyright(c) 2016 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 - 2014 Intel Mobile Communications GmbH
37 * All rights reserved.
39 * Redistribution and use in source and binary forms, with or without
40 * modification, are permitted provided that the following conditions
43 * * Redistributions of source code must retain the above copyright
44 * notice, this list of conditions and the following disclaimer.
45 * * Redistributions in binary form must reproduce the above copyright
46 * notice, this list of conditions and the following disclaimer in
47 * the documentation and/or other materials provided with the
49 * * Neither the name Intel Corporation nor the names of its
50 * contributors may be used to endorse or promote products derived
51 * from this software without specific prior written permission.
53 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
54 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
55 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
56 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
57 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
58 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
59 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
60 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
61 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
62 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
63 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
65 *****************************************************************************/
66 #include <linux/kernel.h>
67 #include <linux/slab.h>
68 #include <linux/skbuff.h>
69 #include <linux/netdevice.h>
70 #include <linux/etherdevice.h>
72 #include <linux/if_arp.h>
73 #include <linux/time.h>
74 #include <net/mac80211.h>
75 #include <net/ieee80211_radiotap.h>
78 #include "iwl-op-mode.h"
82 #include "time-event.h"
83 #include "iwl-eeprom-parse.h"
84 #include "iwl-phy-db.h"
86 #include "iwl-fw-error-dump.h"
88 #include "iwl-nvm-parse.h"
91 static const struct ieee80211_iface_limit iwl_mvm_limits
[] = {
94 .types
= BIT(NL80211_IFTYPE_STATION
),
98 .types
= BIT(NL80211_IFTYPE_AP
) |
99 BIT(NL80211_IFTYPE_P2P_CLIENT
) |
100 BIT(NL80211_IFTYPE_P2P_GO
),
104 .types
= BIT(NL80211_IFTYPE_P2P_DEVICE
),
108 static const struct ieee80211_iface_combination iwl_mvm_iface_combinations
[] = {
110 .num_different_channels
= 2,
112 .limits
= iwl_mvm_limits
,
113 .n_limits
= ARRAY_SIZE(iwl_mvm_limits
),
117 #ifdef CONFIG_PM_SLEEP
118 static const struct nl80211_wowlan_tcp_data_token_feature
119 iwl_mvm_wowlan_tcp_token_feature
= {
122 .bufsize
= IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS
,
125 static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support
= {
126 .tok
= &iwl_mvm_wowlan_tcp_token_feature
,
127 .data_payload_max
= IWL_WOWLAN_TCP_MAX_PACKET_LEN
-
128 sizeof(struct ethhdr
) -
129 sizeof(struct iphdr
) -
130 sizeof(struct tcphdr
),
131 .data_interval_max
= 65535, /* __le16 in API */
132 .wake_payload_max
= IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN
-
133 sizeof(struct ethhdr
) -
134 sizeof(struct iphdr
) -
135 sizeof(struct tcphdr
),
140 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
142 * Use the reserved field to indicate magic values.
143 * these values will only be used internally by the driver,
144 * and won't make it to the fw (reserved will be 0).
145 * BC_FILTER_MAGIC_IP - configure the val of this attribute to
146 * be the vif's ip address. in case there is not a single
147 * ip address (0, or more than 1), this attribute will
149 * BC_FILTER_MAGIC_MAC - set the val of this attribute to
150 * the LSB bytes of the vif's mac address
153 BC_FILTER_MAGIC_NONE
= 0,
158 static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters
[] = {
162 .frame_type
= BCAST_FILTER_FRAME_TYPE_ALL
,
165 /* frame type - arp, hw type - ethernet */
167 BCAST_FILTER_OFFSET_PAYLOAD_START
,
168 .offset
= sizeof(rfc1042_header
),
169 .val
= cpu_to_be32(0x08060001),
170 .mask
= cpu_to_be32(0xffffffff),
175 BCAST_FILTER_OFFSET_PAYLOAD_START
,
176 .offset
= sizeof(rfc1042_header
) + 2 +
177 sizeof(struct arphdr
) +
178 ETH_ALEN
+ sizeof(__be32
) +
180 .mask
= cpu_to_be32(0xffffffff),
181 /* mark it as special field */
182 .reserved1
= cpu_to_le16(BC_FILTER_MAGIC_IP
),
187 /* dhcp offer bcast */
189 .frame_type
= BCAST_FILTER_FRAME_TYPE_IPV4
,
192 /* udp dest port - 68 (bootp client)*/
193 .offset_type
= BCAST_FILTER_OFFSET_IP_END
,
194 .offset
= offsetof(struct udphdr
, dest
),
195 .val
= cpu_to_be32(0x00440000),
196 .mask
= cpu_to_be32(0xffff0000),
199 /* dhcp - lsb bytes of client hw address */
200 .offset_type
= BCAST_FILTER_OFFSET_IP_END
,
202 .mask
= cpu_to_be32(0xffffffff),
203 /* mark it as special field */
204 .reserved1
= cpu_to_le16(BC_FILTER_MAGIC_MAC
),
208 /* last filter must be empty */
213 void iwl_mvm_ref(struct iwl_mvm
*mvm
, enum iwl_mvm_ref_type ref_type
)
215 if (!iwl_mvm_is_d0i3_supported(mvm
))
218 IWL_DEBUG_RPM(mvm
, "Take mvm reference - type %d\n", ref_type
);
219 spin_lock_bh(&mvm
->refs_lock
);
220 mvm
->refs
[ref_type
]++;
221 spin_unlock_bh(&mvm
->refs_lock
);
222 iwl_trans_ref(mvm
->trans
);
225 void iwl_mvm_unref(struct iwl_mvm
*mvm
, enum iwl_mvm_ref_type ref_type
)
227 if (!iwl_mvm_is_d0i3_supported(mvm
))
230 IWL_DEBUG_RPM(mvm
, "Leave mvm reference - type %d\n", ref_type
);
231 spin_lock_bh(&mvm
->refs_lock
);
232 if (WARN_ON(!mvm
->refs
[ref_type
])) {
233 spin_unlock_bh(&mvm
->refs_lock
);
236 mvm
->refs
[ref_type
]--;
237 spin_unlock_bh(&mvm
->refs_lock
);
238 iwl_trans_unref(mvm
->trans
);
241 static void iwl_mvm_unref_all_except(struct iwl_mvm
*mvm
,
242 enum iwl_mvm_ref_type except_ref
)
246 if (!iwl_mvm_is_d0i3_supported(mvm
))
249 spin_lock_bh(&mvm
->refs_lock
);
250 for (i
= 0; i
< IWL_MVM_REF_COUNT
; i
++) {
251 if (except_ref
== i
|| !mvm
->refs
[i
])
254 IWL_DEBUG_RPM(mvm
, "Cleanup: remove mvm ref type %d (%d)\n",
256 for (j
= 0; j
< mvm
->refs
[i
]; j
++)
257 iwl_trans_unref(mvm
->trans
);
260 spin_unlock_bh(&mvm
->refs_lock
);
263 bool iwl_mvm_ref_taken(struct iwl_mvm
*mvm
)
268 if (!iwl_mvm_is_d0i3_supported(mvm
))
271 spin_lock_bh(&mvm
->refs_lock
);
272 for (i
= 0; i
< IWL_MVM_REF_COUNT
; i
++) {
278 spin_unlock_bh(&mvm
->refs_lock
);
283 int iwl_mvm_ref_sync(struct iwl_mvm
*mvm
, enum iwl_mvm_ref_type ref_type
)
285 iwl_mvm_ref(mvm
, ref_type
);
287 if (!wait_event_timeout(mvm
->d0i3_exit_waitq
,
288 !test_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
),
291 iwl_mvm_unref(mvm
, ref_type
);
298 static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm
*mvm
)
302 memset(mvm
->phy_ctxts
, 0, sizeof(mvm
->phy_ctxts
));
303 for (i
= 0; i
< NUM_PHY_CTX
; i
++) {
304 mvm
->phy_ctxts
[i
].id
= i
;
305 mvm
->phy_ctxts
[i
].ref
= 0;
309 struct ieee80211_regdomain
*iwl_mvm_get_regdomain(struct wiphy
*wiphy
,
311 enum iwl_mcc_source src_id
,
314 struct ieee80211_regdomain
*regd
= NULL
;
315 struct ieee80211_hw
*hw
= wiphy_to_ieee80211_hw(wiphy
);
316 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
317 struct iwl_mcc_update_resp
*resp
;
319 IWL_DEBUG_LAR(mvm
, "Getting regdomain data for %s from FW\n", alpha2
);
321 lockdep_assert_held(&mvm
->mutex
);
323 resp
= iwl_mvm_update_mcc(mvm
, alpha2
, src_id
);
324 if (IS_ERR_OR_NULL(resp
)) {
325 IWL_DEBUG_LAR(mvm
, "Could not get update from FW %d\n",
326 PTR_ERR_OR_ZERO(resp
));
331 *changed
= (resp
->status
== MCC_RESP_NEW_CHAN_PROFILE
);
333 regd
= iwl_parse_nvm_mcc_info(mvm
->trans
->dev
, mvm
->cfg
,
334 __le32_to_cpu(resp
->n_channels
),
336 __le16_to_cpu(resp
->mcc
));
337 /* Store the return source id */
338 src_id
= resp
->source_id
;
340 if (IS_ERR_OR_NULL(regd
)) {
341 IWL_DEBUG_LAR(mvm
, "Could not get parse update from FW %d\n",
342 PTR_ERR_OR_ZERO(regd
));
346 IWL_DEBUG_LAR(mvm
, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n",
347 regd
->alpha2
, regd
->alpha2
[0], regd
->alpha2
[1], src_id
);
348 mvm
->lar_regdom_set
= true;
349 mvm
->mcc_src
= src_id
;
355 void iwl_mvm_update_changed_regdom(struct iwl_mvm
*mvm
)
358 struct ieee80211_regdomain
*regd
;
360 if (!iwl_mvm_is_lar_supported(mvm
))
363 regd
= iwl_mvm_get_current_regdomain(mvm
, &changed
);
364 if (!IS_ERR_OR_NULL(regd
)) {
365 /* only update the regulatory core if changed */
367 regulatory_set_wiphy_regd(mvm
->hw
->wiphy
, regd
);
373 struct ieee80211_regdomain
*iwl_mvm_get_current_regdomain(struct iwl_mvm
*mvm
,
376 return iwl_mvm_get_regdomain(mvm
->hw
->wiphy
, "ZZ",
377 iwl_mvm_is_wifi_mcc_supported(mvm
) ?
378 MCC_SOURCE_GET_CURRENT
:
379 MCC_SOURCE_OLD_FW
, changed
);
382 int iwl_mvm_init_fw_regd(struct iwl_mvm
*mvm
)
384 enum iwl_mcc_source used_src
;
385 struct ieee80211_regdomain
*regd
;
388 const struct ieee80211_regdomain
*r
=
389 rtnl_dereference(mvm
->hw
->wiphy
->regd
);
394 /* save the last source in case we overwrite it below */
395 used_src
= mvm
->mcc_src
;
396 if (iwl_mvm_is_wifi_mcc_supported(mvm
)) {
397 /* Notify the firmware we support wifi location updates */
398 regd
= iwl_mvm_get_current_regdomain(mvm
, NULL
);
399 if (!IS_ERR_OR_NULL(regd
))
403 /* Now set our last stored MCC and source */
404 regd
= iwl_mvm_get_regdomain(mvm
->hw
->wiphy
, r
->alpha2
, used_src
,
406 if (IS_ERR_OR_NULL(regd
))
409 /* update cfg80211 if the regdomain was changed */
411 ret
= regulatory_set_wiphy_regd_sync_rtnl(mvm
->hw
->wiphy
, regd
);
419 int iwl_mvm_mac_setup_register(struct iwl_mvm
*mvm
)
421 struct ieee80211_hw
*hw
= mvm
->hw
;
423 static const u32 mvm_ciphers
[] = {
424 WLAN_CIPHER_SUITE_WEP40
,
425 WLAN_CIPHER_SUITE_WEP104
,
426 WLAN_CIPHER_SUITE_TKIP
,
427 WLAN_CIPHER_SUITE_CCMP
,
430 /* Tell mac80211 our characteristics */
431 ieee80211_hw_set(hw
, SIGNAL_DBM
);
432 ieee80211_hw_set(hw
, SPECTRUM_MGMT
);
433 ieee80211_hw_set(hw
, REPORTS_TX_ACK_STATUS
);
434 ieee80211_hw_set(hw
, QUEUE_CONTROL
);
435 ieee80211_hw_set(hw
, WANT_MONITOR_VIF
);
436 ieee80211_hw_set(hw
, SUPPORTS_PS
);
437 ieee80211_hw_set(hw
, SUPPORTS_DYNAMIC_PS
);
438 ieee80211_hw_set(hw
, AMPDU_AGGREGATION
);
439 ieee80211_hw_set(hw
, TIMING_BEACON_ONLY
);
440 ieee80211_hw_set(hw
, CONNECTION_MONITOR
);
441 ieee80211_hw_set(hw
, CHANCTX_STA_CSA
);
442 ieee80211_hw_set(hw
, SUPPORT_FAST_XMIT
);
443 ieee80211_hw_set(hw
, SUPPORTS_CLONED_SKBS
);
444 ieee80211_hw_set(hw
, SUPPORTS_AMSDU_IN_AMPDU
);
445 ieee80211_hw_set(hw
, NEEDS_UNIQUE_STA_ADDR
);
446 if (iwl_mvm_has_new_rx_api(mvm
))
447 ieee80211_hw_set(hw
, SUPPORTS_REORDERING_BUFFER
);
448 if (fw_has_capa(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_CAPA_STA_PM_NOTIF
))
449 ieee80211_hw_set(hw
, AP_LINK_PS
);
451 if (mvm
->trans
->num_rx_queues
> 1)
452 ieee80211_hw_set(hw
, USES_RSS
);
454 if (mvm
->trans
->max_skb_frags
)
455 hw
->netdev_features
= NETIF_F_HIGHDMA
| NETIF_F_SG
;
457 if (!iwl_mvm_is_dqa_supported(mvm
))
458 hw
->queues
= mvm
->first_agg_queue
;
460 hw
->queues
= IEEE80211_MAX_QUEUES
;
461 hw
->offchannel_tx_hw_queue
= IWL_MVM_OFFCHANNEL_QUEUE
;
462 hw
->radiotap_mcs_details
|= IEEE80211_RADIOTAP_MCS_HAVE_FEC
|
463 IEEE80211_RADIOTAP_MCS_HAVE_STBC
;
464 hw
->radiotap_vht_details
|= IEEE80211_RADIOTAP_VHT_KNOWN_STBC
|
465 IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED
;
467 hw
->radiotap_timestamp
.units_pos
=
468 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US
|
469 IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ
;
470 /* this is the case for CCK frames, it's better (only 8) for OFDM */
471 hw
->radiotap_timestamp
.accuracy
= 22;
473 hw
->rate_control_algorithm
= "iwl-mvm-rs";
474 hw
->uapsd_queues
= IWL_MVM_UAPSD_QUEUES
;
475 hw
->uapsd_max_sp_len
= IWL_UAPSD_MAX_SP
;
477 BUILD_BUG_ON(ARRAY_SIZE(mvm
->ciphers
) < ARRAY_SIZE(mvm_ciphers
) + 6);
478 memcpy(mvm
->ciphers
, mvm_ciphers
, sizeof(mvm_ciphers
));
479 hw
->wiphy
->n_cipher_suites
= ARRAY_SIZE(mvm_ciphers
);
480 hw
->wiphy
->cipher_suites
= mvm
->ciphers
;
482 if (iwl_mvm_has_new_rx_api(mvm
)) {
483 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] =
484 WLAN_CIPHER_SUITE_GCMP
;
485 hw
->wiphy
->n_cipher_suites
++;
486 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] =
487 WLAN_CIPHER_SUITE_GCMP_256
;
488 hw
->wiphy
->n_cipher_suites
++;
491 /* Enable 11w if software crypto is not enabled (as the
492 * firmware will interpret some mgmt packets, so enabling it
493 * with software crypto isn't safe).
495 if (!iwlwifi_mod_params
.sw_crypto
) {
496 ieee80211_hw_set(hw
, MFP_CAPABLE
);
497 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] =
498 WLAN_CIPHER_SUITE_AES_CMAC
;
499 hw
->wiphy
->n_cipher_suites
++;
500 if (iwl_mvm_has_new_rx_api(mvm
)) {
501 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] =
502 WLAN_CIPHER_SUITE_BIP_GMAC_128
;
503 hw
->wiphy
->n_cipher_suites
++;
504 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] =
505 WLAN_CIPHER_SUITE_BIP_GMAC_256
;
506 hw
->wiphy
->n_cipher_suites
++;
510 /* currently FW API supports only one optional cipher scheme */
511 if (mvm
->fw
->cs
[0].cipher
) {
512 const struct iwl_fw_cipher_scheme
*fwcs
= &mvm
->fw
->cs
[0];
513 struct ieee80211_cipher_scheme
*cs
= &mvm
->cs
[0];
515 mvm
->hw
->n_cipher_schemes
= 1;
517 cs
->cipher
= le32_to_cpu(fwcs
->cipher
);
518 cs
->iftype
= BIT(NL80211_IFTYPE_STATION
);
519 cs
->hdr_len
= fwcs
->hdr_len
;
520 cs
->pn_len
= fwcs
->pn_len
;
521 cs
->pn_off
= fwcs
->pn_off
;
522 cs
->key_idx_off
= fwcs
->key_idx_off
;
523 cs
->key_idx_mask
= fwcs
->key_idx_mask
;
524 cs
->key_idx_shift
= fwcs
->key_idx_shift
;
525 cs
->mic_len
= fwcs
->mic_len
;
527 mvm
->hw
->cipher_schemes
= mvm
->cs
;
528 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] = cs
->cipher
;
529 hw
->wiphy
->n_cipher_suites
++;
532 ieee80211_hw_set(hw
, SINGLE_SCAN_ON_ALL_BANDS
);
533 hw
->wiphy
->features
|=
534 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
|
535 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
|
536 NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
538 hw
->sta_data_size
= sizeof(struct iwl_mvm_sta
);
539 hw
->vif_data_size
= sizeof(struct iwl_mvm_vif
);
540 hw
->chanctx_data_size
= sizeof(u16
);
542 hw
->wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
) |
543 BIT(NL80211_IFTYPE_P2P_CLIENT
) |
544 BIT(NL80211_IFTYPE_AP
) |
545 BIT(NL80211_IFTYPE_P2P_GO
) |
546 BIT(NL80211_IFTYPE_P2P_DEVICE
) |
547 BIT(NL80211_IFTYPE_ADHOC
);
549 hw
->wiphy
->flags
|= WIPHY_FLAG_IBSS_RSN
;
550 hw
->wiphy
->regulatory_flags
|= REGULATORY_ENABLE_RELAX_NO_IR
;
551 if (iwl_mvm_is_lar_supported(mvm
))
552 hw
->wiphy
->regulatory_flags
|= REGULATORY_WIPHY_SELF_MANAGED
;
554 hw
->wiphy
->regulatory_flags
|= REGULATORY_CUSTOM_REG
|
555 REGULATORY_DISABLE_BEACON_HINTS
;
557 hw
->wiphy
->flags
|= WIPHY_FLAG_AP_UAPSD
;
558 hw
->wiphy
->flags
|= WIPHY_FLAG_HAS_CHANNEL_SWITCH
;
560 hw
->wiphy
->iface_combinations
= iwl_mvm_iface_combinations
;
561 hw
->wiphy
->n_iface_combinations
=
562 ARRAY_SIZE(iwl_mvm_iface_combinations
);
564 hw
->wiphy
->max_remain_on_channel_duration
= 10000;
565 hw
->max_listen_interval
= IWL_CONN_MAX_LISTEN_INTERVAL
;
566 /* we can compensate an offset of up to 3 channels = 15 MHz */
567 hw
->wiphy
->max_adj_channel_rssi_comp
= 3 * 5;
569 /* Extract MAC address */
570 memcpy(mvm
->addresses
[0].addr
, mvm
->nvm_data
->hw_addr
, ETH_ALEN
);
571 hw
->wiphy
->addresses
= mvm
->addresses
;
572 hw
->wiphy
->n_addresses
= 1;
574 /* Extract additional MAC addresses if available */
575 num_mac
= (mvm
->nvm_data
->n_hw_addrs
> 1) ?
576 min(IWL_MVM_MAX_ADDRESSES
, mvm
->nvm_data
->n_hw_addrs
) : 1;
578 for (i
= 1; i
< num_mac
; i
++) {
579 memcpy(mvm
->addresses
[i
].addr
, mvm
->addresses
[i
-1].addr
,
581 mvm
->addresses
[i
].addr
[5]++;
582 hw
->wiphy
->n_addresses
++;
585 iwl_mvm_reset_phy_ctxts(mvm
);
587 hw
->wiphy
->max_scan_ie_len
= iwl_mvm_max_scan_ie_len(mvm
);
589 hw
->wiphy
->max_scan_ssids
= PROBE_OPTION_MAX
;
591 BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK
& IWL_MVM_SCAN_MASK
);
592 BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS
> HWEIGHT32(IWL_MVM_SCAN_MASK
) ||
593 IWL_MVM_MAX_LMAC_SCANS
> HWEIGHT32(IWL_MVM_SCAN_MASK
));
595 if (fw_has_capa(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_CAPA_UMAC_SCAN
))
596 mvm
->max_scans
= IWL_MVM_MAX_UMAC_SCANS
;
598 mvm
->max_scans
= IWL_MVM_MAX_LMAC_SCANS
;
600 if (mvm
->nvm_data
->bands
[NL80211_BAND_2GHZ
].n_channels
)
601 hw
->wiphy
->bands
[NL80211_BAND_2GHZ
] =
602 &mvm
->nvm_data
->bands
[NL80211_BAND_2GHZ
];
603 if (mvm
->nvm_data
->bands
[NL80211_BAND_5GHZ
].n_channels
) {
604 hw
->wiphy
->bands
[NL80211_BAND_5GHZ
] =
605 &mvm
->nvm_data
->bands
[NL80211_BAND_5GHZ
];
607 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
608 IWL_UCODE_TLV_CAPA_BEAMFORMER
) &&
609 fw_has_api(&mvm
->fw
->ucode_capa
,
610 IWL_UCODE_TLV_API_LQ_SS_PARAMS
))
611 hw
->wiphy
->bands
[NL80211_BAND_5GHZ
]->vht_cap
.cap
|=
612 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE
;
615 hw
->wiphy
->hw_version
= mvm
->trans
->hw_id
;
617 if (iwlmvm_mod_params
.power_scheme
!= IWL_POWER_SCHEME_CAM
)
618 hw
->wiphy
->flags
|= WIPHY_FLAG_PS_ON_BY_DEFAULT
;
620 hw
->wiphy
->flags
&= ~WIPHY_FLAG_PS_ON_BY_DEFAULT
;
622 hw
->wiphy
->flags
|= WIPHY_FLAG_SUPPORTS_SCHED_SCAN
;
623 hw
->wiphy
->max_sched_scan_ssids
= PROBE_OPTION_MAX
;
624 hw
->wiphy
->max_match_sets
= IWL_SCAN_MAX_PROFILES
;
625 /* we create the 802.11 header and zero length SSID IE. */
626 hw
->wiphy
->max_sched_scan_ie_len
=
627 SCAN_OFFLOAD_PROBE_REQ_SIZE
- 24 - 2;
628 hw
->wiphy
->max_sched_scan_plans
= IWL_MAX_SCHED_SCAN_PLANS
;
629 hw
->wiphy
->max_sched_scan_plan_interval
= U16_MAX
;
632 * the firmware uses u8 for num of iterations, but 0xff is saved for
633 * infinite loop, so the maximum number of iterations is actually 254.
635 hw
->wiphy
->max_sched_scan_plan_iterations
= 254;
637 hw
->wiphy
->features
|= NL80211_FEATURE_P2P_GO_CTWIN
|
638 NL80211_FEATURE_LOW_PRIORITY_SCAN
|
639 NL80211_FEATURE_P2P_GO_OPPPS
|
640 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE
|
641 NL80211_FEATURE_DYNAMIC_SMPS
|
642 NL80211_FEATURE_STATIC_SMPS
|
643 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
;
645 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
646 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT
))
647 hw
->wiphy
->features
|= NL80211_FEATURE_TX_POWER_INSERTION
;
648 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
649 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT
))
650 hw
->wiphy
->features
|= NL80211_FEATURE_QUIET
;
652 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
653 IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT
))
654 hw
->wiphy
->features
|=
655 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
;
657 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
658 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT
))
659 hw
->wiphy
->features
|= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES
;
661 if (fw_has_api(&mvm
->fw
->ucode_capa
,
662 IWL_UCODE_TLV_API_SCAN_TSF_REPORT
)) {
663 wiphy_ext_feature_set(hw
->wiphy
,
664 NL80211_EXT_FEATURE_SCAN_START_TIME
);
665 wiphy_ext_feature_set(hw
->wiphy
,
666 NL80211_EXT_FEATURE_BSS_PARENT_TSF
);
667 wiphy_ext_feature_set(hw
->wiphy
,
668 NL80211_EXT_FEATURE_SET_SCAN_DWELL
);
671 mvm
->rts_threshold
= IEEE80211_MAX_RTS_THRESHOLD
;
673 #ifdef CONFIG_PM_SLEEP
674 if (iwl_mvm_is_d0i3_supported(mvm
) &&
675 device_can_wakeup(mvm
->trans
->dev
)) {
676 mvm
->wowlan
.flags
= WIPHY_WOWLAN_ANY
;
677 hw
->wiphy
->wowlan
= &mvm
->wowlan
;
680 if (mvm
->fw
->img
[IWL_UCODE_WOWLAN
].num_sec
&&
681 mvm
->trans
->ops
->d3_suspend
&&
682 mvm
->trans
->ops
->d3_resume
&&
683 device_can_wakeup(mvm
->trans
->dev
)) {
684 mvm
->wowlan
.flags
|= WIPHY_WOWLAN_MAGIC_PKT
|
685 WIPHY_WOWLAN_DISCONNECT
|
686 WIPHY_WOWLAN_EAP_IDENTITY_REQ
|
687 WIPHY_WOWLAN_RFKILL_RELEASE
|
688 WIPHY_WOWLAN_NET_DETECT
;
689 if (!iwlwifi_mod_params
.sw_crypto
)
690 mvm
->wowlan
.flags
|= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
|
691 WIPHY_WOWLAN_GTK_REKEY_FAILURE
|
692 WIPHY_WOWLAN_4WAY_HANDSHAKE
;
694 mvm
->wowlan
.n_patterns
= IWL_WOWLAN_MAX_PATTERNS
;
695 mvm
->wowlan
.pattern_min_len
= IWL_WOWLAN_MIN_PATTERN_LEN
;
696 mvm
->wowlan
.pattern_max_len
= IWL_WOWLAN_MAX_PATTERN_LEN
;
697 mvm
->wowlan
.max_nd_match_sets
= IWL_SCAN_MAX_PROFILES
;
698 mvm
->wowlan
.tcp
= &iwl_mvm_wowlan_tcp_support
;
699 hw
->wiphy
->wowlan
= &mvm
->wowlan
;
703 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
704 /* assign default bcast filtering configuration */
705 mvm
->bcast_filters
= iwl_mvm_default_bcast_filters
;
708 ret
= iwl_mvm_leds_init(mvm
);
712 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
713 IWL_UCODE_TLV_CAPA_TDLS_SUPPORT
)) {
714 IWL_DEBUG_TDLS(mvm
, "TDLS supported\n");
715 hw
->wiphy
->flags
|= WIPHY_FLAG_SUPPORTS_TDLS
;
716 ieee80211_hw_set(hw
, TDLS_WIDER_BW
);
719 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
720 IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH
)) {
721 IWL_DEBUG_TDLS(mvm
, "TDLS channel switch supported\n");
722 hw
->wiphy
->features
|= NL80211_FEATURE_TDLS_CHANNEL_SWITCH
;
725 hw
->netdev_features
|= mvm
->cfg
->features
;
726 if (!iwl_mvm_is_csum_supported(mvm
)) {
727 hw
->netdev_features
&= ~(IWL_TX_CSUM_NETIF_FLAGS
|
729 /* We may support SW TX CSUM */
730 if (IWL_MVM_SW_TX_CSUM_OFFLOAD
)
731 hw
->netdev_features
|= IWL_TX_CSUM_NETIF_FLAGS
;
734 ret
= ieee80211_register_hw(mvm
->hw
);
736 iwl_mvm_leds_exit(mvm
);
738 if (mvm
->cfg
->vht_mu_mimo_supported
)
739 wiphy_ext_feature_set(hw
->wiphy
,
740 NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER
);
745 static bool iwl_mvm_defer_tx(struct iwl_mvm
*mvm
,
746 struct ieee80211_sta
*sta
,
749 struct iwl_mvm_sta
*mvmsta
;
753 * double check the IN_D0I3 flag both before and after
754 * taking the spinlock, in order to prevent taking
755 * the spinlock when not needed.
757 if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
)))
760 spin_lock(&mvm
->d0i3_tx_lock
);
762 * testing the flag again ensures the skb dequeue
763 * loop (on d0i3 exit) hasn't run yet.
765 if (!test_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
))
768 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
769 if (mvmsta
->sta_id
== IWL_MVM_STATION_COUNT
||
770 mvmsta
->sta_id
!= mvm
->d0i3_ap_sta_id
)
773 __skb_queue_tail(&mvm
->d0i3_tx
, skb
);
774 ieee80211_stop_queues(mvm
->hw
);
777 iwl_mvm_ref(mvm
, IWL_MVM_REF_TX
);
778 iwl_mvm_unref(mvm
, IWL_MVM_REF_TX
);
782 spin_unlock(&mvm
->d0i3_tx_lock
);
786 static void iwl_mvm_mac_tx(struct ieee80211_hw
*hw
,
787 struct ieee80211_tx_control
*control
,
790 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
791 struct ieee80211_sta
*sta
= control
->sta
;
792 struct ieee80211_tx_info
*info
= IEEE80211_SKB_CB(skb
);
793 struct ieee80211_hdr
*hdr
= (void *)skb
->data
;
795 if (iwl_mvm_is_radio_killed(mvm
)) {
796 IWL_DEBUG_DROP(mvm
, "Dropping - RF/CT KILL\n");
800 if (IEEE80211_SKB_CB(skb
)->hw_queue
== IWL_MVM_OFFCHANNEL_QUEUE
&&
801 !test_bit(IWL_MVM_STATUS_ROC_RUNNING
, &mvm
->status
) &&
802 !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING
, &mvm
->status
))
805 /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */
806 if (unlikely(info
->flags
& IEEE80211_TX_CTL_NO_PS_BUFFER
&&
807 ieee80211_is_mgmt(hdr
->frame_control
) &&
808 !ieee80211_is_deauth(hdr
->frame_control
) &&
809 !ieee80211_is_disassoc(hdr
->frame_control
) &&
810 !ieee80211_is_action(hdr
->frame_control
)))
814 if (iwl_mvm_defer_tx(mvm
, sta
, skb
))
816 if (iwl_mvm_tx_skb(mvm
, skb
, sta
))
821 if (iwl_mvm_tx_skb_non_sta(mvm
, skb
))
825 ieee80211_free_txskb(hw
, skb
);
828 static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg
*cfg
)
830 if (iwlwifi_mod_params
.disable_11n
& IWL_DISABLE_HT_RXAGG
)
835 static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg
*cfg
)
837 if (iwlwifi_mod_params
.disable_11n
& IWL_DISABLE_HT_TXAGG
)
839 if (iwlwifi_mod_params
.disable_11n
& IWL_ENABLE_HT_TXAGG
)
842 /* enabled by default */
846 #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \
848 if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \
850 iwl_mvm_fw_dbg_collect_trig(_mvm, _trig, _fmt); \
854 iwl_mvm_ampdu_check_trigger(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
855 struct ieee80211_sta
*sta
, u16 tid
, u16 rx_ba_ssn
,
856 enum ieee80211_ampdu_mlme_action action
)
858 struct iwl_fw_dbg_trigger_tlv
*trig
;
859 struct iwl_fw_dbg_trigger_ba
*ba_trig
;
861 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_BA
))
864 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_BA
);
865 ba_trig
= (void *)trig
->data
;
867 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
871 case IEEE80211_AMPDU_TX_OPERATIONAL
: {
872 struct iwl_mvm_sta
*mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
873 struct iwl_mvm_tid_data
*tid_data
= &mvmsta
->tid_data
[tid
];
875 CHECK_BA_TRIGGER(mvm
, trig
, ba_trig
->tx_ba_start
, tid
,
876 "TX AGG START: MAC %pM tid %d ssn %d\n",
877 sta
->addr
, tid
, tid_data
->ssn
);
880 case IEEE80211_AMPDU_TX_STOP_CONT
:
881 CHECK_BA_TRIGGER(mvm
, trig
, ba_trig
->tx_ba_stop
, tid
,
882 "TX AGG STOP: MAC %pM tid %d\n",
885 case IEEE80211_AMPDU_RX_START
:
886 CHECK_BA_TRIGGER(mvm
, trig
, ba_trig
->rx_ba_start
, tid
,
887 "RX AGG START: MAC %pM tid %d ssn %d\n",
888 sta
->addr
, tid
, rx_ba_ssn
);
890 case IEEE80211_AMPDU_RX_STOP
:
891 CHECK_BA_TRIGGER(mvm
, trig
, ba_trig
->rx_ba_stop
, tid
,
892 "RX AGG STOP: MAC %pM tid %d\n",
900 static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw
*hw
,
901 struct ieee80211_vif
*vif
,
902 struct ieee80211_ampdu_params
*params
)
904 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
906 bool tx_agg_ref
= false;
907 struct ieee80211_sta
*sta
= params
->sta
;
908 enum ieee80211_ampdu_mlme_action action
= params
->action
;
909 u16 tid
= params
->tid
;
910 u16
*ssn
= ¶ms
->ssn
;
911 u8 buf_size
= params
->buf_size
;
912 bool amsdu
= params
->amsdu
;
913 u16 timeout
= params
->timeout
;
915 IWL_DEBUG_HT(mvm
, "A-MPDU action on addr %pM tid %d: action %d\n",
916 sta
->addr
, tid
, action
);
918 if (!(mvm
->nvm_data
->sku_cap_11n_enable
))
921 /* return from D0i3 before starting a new Tx aggregation */
923 case IEEE80211_AMPDU_TX_START
:
924 case IEEE80211_AMPDU_TX_STOP_CONT
:
925 case IEEE80211_AMPDU_TX_STOP_FLUSH
:
926 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT
:
927 case IEEE80211_AMPDU_TX_OPERATIONAL
:
929 * for tx start, wait synchronously until D0i3 exit to
930 * get the correct sequence number for the tid.
931 * additionally, some other ampdu actions use direct
932 * target access, which is not handled automatically
933 * by the trans layer (unlike commands), so wait for
934 * d0i3 exit in these cases as well.
936 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_TX_AGG
);
946 mutex_lock(&mvm
->mutex
);
949 case IEEE80211_AMPDU_RX_START
:
950 if (!iwl_enable_rx_ampdu(mvm
->cfg
)) {
954 ret
= iwl_mvm_sta_rx_agg(mvm
, sta
, tid
, *ssn
, true, buf_size
,
957 case IEEE80211_AMPDU_RX_STOP
:
958 ret
= iwl_mvm_sta_rx_agg(mvm
, sta
, tid
, 0, false, buf_size
,
961 case IEEE80211_AMPDU_TX_START
:
962 if (!iwl_enable_tx_ampdu(mvm
->cfg
)) {
966 ret
= iwl_mvm_sta_tx_agg_start(mvm
, vif
, sta
, tid
, ssn
);
968 case IEEE80211_AMPDU_TX_STOP_CONT
:
969 ret
= iwl_mvm_sta_tx_agg_stop(mvm
, vif
, sta
, tid
);
971 case IEEE80211_AMPDU_TX_STOP_FLUSH
:
972 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT
:
973 ret
= iwl_mvm_sta_tx_agg_flush(mvm
, vif
, sta
, tid
);
975 case IEEE80211_AMPDU_TX_OPERATIONAL
:
976 ret
= iwl_mvm_sta_tx_agg_oper(mvm
, vif
, sta
, tid
,
988 if (action
== IEEE80211_AMPDU_RX_START
)
991 iwl_mvm_ampdu_check_trigger(mvm
, vif
, sta
, tid
,
994 mutex_unlock(&mvm
->mutex
);
997 * If the tid is marked as started, we won't use it for offloaded
998 * traffic on the next D0i3 entry. It's safe to unref.
1001 iwl_mvm_unref(mvm
, IWL_MVM_REF_TX_AGG
);
1006 static void iwl_mvm_cleanup_iterator(void *data
, u8
*mac
,
1007 struct ieee80211_vif
*vif
)
1009 struct iwl_mvm
*mvm
= data
;
1010 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1012 mvmvif
->uploaded
= false;
1013 mvmvif
->ap_sta_id
= IWL_MVM_STATION_COUNT
;
1015 spin_lock_bh(&mvm
->time_event_lock
);
1016 iwl_mvm_te_clear_data(mvm
, &mvmvif
->time_event_data
);
1017 spin_unlock_bh(&mvm
->time_event_lock
);
1019 mvmvif
->phy_ctxt
= NULL
;
1020 memset(&mvmvif
->bf_data
, 0, sizeof(mvmvif
->bf_data
));
1023 static void iwl_mvm_restart_cleanup(struct iwl_mvm
*mvm
)
1025 /* clear the D3 reconfig, we only need it to avoid dumping a
1026 * firmware coredump on reconfiguration, we shouldn't do that
1027 * on D3->D0 transition
1029 if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG
, &mvm
->status
)) {
1030 mvm
->fw_dump_desc
= &iwl_mvm_dump_desc_assert
;
1031 iwl_mvm_fw_error_dump(mvm
);
1034 /* cleanup all stale references (scan, roc), but keep the
1035 * ucode_down ref until reconfig is complete
1037 iwl_mvm_unref_all_except(mvm
, IWL_MVM_REF_UCODE_DOWN
);
1039 iwl_mvm_stop_device(mvm
);
1041 mvm
->scan_status
= 0;
1042 mvm
->ps_disabled
= false;
1043 mvm
->calibrating
= false;
1045 /* just in case one was running */
1046 iwl_mvm_cleanup_roc_te(mvm
);
1047 ieee80211_remain_on_channel_expired(mvm
->hw
);
1050 * cleanup all interfaces, even inactive ones, as some might have
1051 * gone down during the HW restart
1053 ieee80211_iterate_interfaces(mvm
->hw
, 0, iwl_mvm_cleanup_iterator
, mvm
);
1055 mvm
->p2p_device_vif
= NULL
;
1056 mvm
->d0i3_ap_sta_id
= IWL_MVM_STATION_COUNT
;
1058 iwl_mvm_reset_phy_ctxts(mvm
);
1059 memset(mvm
->fw_key_table
, 0, sizeof(mvm
->fw_key_table
));
1060 memset(mvm
->sta_drained
, 0, sizeof(mvm
->sta_drained
));
1061 memset(mvm
->sta_deferred_frames
, 0, sizeof(mvm
->sta_deferred_frames
));
1062 memset(mvm
->tfd_drained
, 0, sizeof(mvm
->tfd_drained
));
1063 memset(&mvm
->last_bt_notif
, 0, sizeof(mvm
->last_bt_notif
));
1064 memset(&mvm
->last_bt_ci_cmd
, 0, sizeof(mvm
->last_bt_ci_cmd
));
1066 ieee80211_wake_queues(mvm
->hw
);
1068 /* clear any stale d0i3 state */
1069 clear_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
);
1072 mvm
->rx_ba_sessions
= 0;
1073 mvm
->fw_dbg_conf
= FW_DBG_INVALID
;
1075 /* keep statistics ticking */
1076 iwl_mvm_accu_radio_stats(mvm
);
1079 int __iwl_mvm_mac_start(struct iwl_mvm
*mvm
)
1083 lockdep_assert_held(&mvm
->mutex
);
1085 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
)) {
1086 /* Clean up some internal and mac80211 state on restart */
1087 iwl_mvm_restart_cleanup(mvm
);
1089 /* Hold the reference to prevent runtime suspend while
1090 * the start procedure runs. It's a bit confusing
1091 * that the UCODE_DOWN reference is taken, but it just
1092 * means "UCODE is not UP yet". ( TODO: rename this
1095 iwl_mvm_ref(mvm
, IWL_MVM_REF_UCODE_DOWN
);
1097 ret
= iwl_mvm_up(mvm
);
1099 if (ret
&& test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
)) {
1100 /* Something went wrong - we need to finish some cleanup
1101 * that normally iwl_mvm_mac_restart_complete() below
1104 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
);
1105 iwl_mvm_d0i3_enable_tx(mvm
, NULL
);
1111 static int iwl_mvm_mac_start(struct ieee80211_hw
*hw
)
1113 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1116 /* Some hw restart cleanups must not hold the mutex */
1117 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
)) {
1119 * Make sure we are out of d0i3. This is needed
1120 * to make sure the reference accounting is correct
1121 * (and there is no stale d0i3_exit_work).
1123 wait_event_timeout(mvm
->d0i3_exit_waitq
,
1124 !test_bit(IWL_MVM_STATUS_IN_D0I3
,
1129 mutex_lock(&mvm
->mutex
);
1130 ret
= __iwl_mvm_mac_start(mvm
);
1131 mutex_unlock(&mvm
->mutex
);
1136 static void iwl_mvm_restart_complete(struct iwl_mvm
*mvm
)
1140 mutex_lock(&mvm
->mutex
);
1142 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
);
1143 iwl_mvm_d0i3_enable_tx(mvm
, NULL
);
1144 ret
= iwl_mvm_update_quotas(mvm
, true, NULL
);
1146 IWL_ERR(mvm
, "Failed to update quotas after restart (%d)\n",
1149 /* allow transport/FW low power modes */
1150 iwl_mvm_unref(mvm
, IWL_MVM_REF_UCODE_DOWN
);
1153 * If we have TDLS peers, remove them. We don't know the last seqno/PN
1154 * of packets the FW sent out, so we must reconnect.
1156 iwl_mvm_teardown_tdls_peers(mvm
);
1158 mutex_unlock(&mvm
->mutex
);
1161 static void iwl_mvm_resume_complete(struct iwl_mvm
*mvm
)
1163 if (iwl_mvm_is_d0i3_supported(mvm
) &&
1164 iwl_mvm_enter_d0i3_on_suspend(mvm
))
1165 WARN_ONCE(!wait_event_timeout(mvm
->d0i3_exit_waitq
,
1166 !test_bit(IWL_MVM_STATUS_IN_D0I3
,
1169 "D0i3 exit on resume timed out\n");
1173 iwl_mvm_mac_reconfig_complete(struct ieee80211_hw
*hw
,
1174 enum ieee80211_reconfig_type reconfig_type
)
1176 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1178 switch (reconfig_type
) {
1179 case IEEE80211_RECONFIG_TYPE_RESTART
:
1180 iwl_mvm_restart_complete(mvm
);
1182 case IEEE80211_RECONFIG_TYPE_SUSPEND
:
1183 iwl_mvm_resume_complete(mvm
);
1188 void __iwl_mvm_mac_stop(struct iwl_mvm
*mvm
)
1190 lockdep_assert_held(&mvm
->mutex
);
1192 /* firmware counters are obviously reset now, but we shouldn't
1193 * partially track so also clear the fw_reset_accu counters.
1195 memset(&mvm
->accu_radio_stats
, 0, sizeof(mvm
->accu_radio_stats
));
1197 /* async_handlers_wk is now blocked */
1200 * The work item could be running or queued if the
1201 * ROC time event stops just as we get here.
1203 flush_work(&mvm
->roc_done_wk
);
1205 iwl_mvm_stop_device(mvm
);
1207 iwl_mvm_async_handlers_purge(mvm
);
1208 /* async_handlers_list is empty and will stay empty: HW is stopped */
1210 /* the fw is stopped, the aux sta is dead: clean up driver state */
1211 iwl_mvm_del_aux_sta(mvm
);
1214 * Clear IN_HW_RESTART flag when stopping the hw (as restart_complete()
1215 * won't be called in this case).
1216 * But make sure to cleanup interfaces that have gone down before/during
1217 * HW restart was requested.
1219 if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
))
1220 ieee80211_iterate_interfaces(mvm
->hw
, 0,
1221 iwl_mvm_cleanup_iterator
, mvm
);
1223 /* We shouldn't have any UIDs still set. Loop over all the UIDs to
1224 * make sure there's nothing left there and warn if any is found.
1226 if (fw_has_capa(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_CAPA_UMAC_SCAN
)) {
1229 for (i
= 0; i
< mvm
->max_scans
; i
++) {
1230 if (WARN_ONCE(mvm
->scan_uid_status
[i
],
1231 "UMAC scan UID %d status was not cleaned\n",
1233 mvm
->scan_uid_status
[i
] = 0;
1238 static void iwl_mvm_mac_stop(struct ieee80211_hw
*hw
)
1240 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1242 flush_work(&mvm
->d0i3_exit_work
);
1243 flush_work(&mvm
->async_handlers_wk
);
1244 flush_work(&mvm
->add_stream_wk
);
1245 cancel_delayed_work_sync(&mvm
->fw_dump_wk
);
1246 cancel_delayed_work_sync(&mvm
->cs_tx_unblock_dwork
);
1247 cancel_delayed_work_sync(&mvm
->scan_timeout_dwork
);
1248 iwl_mvm_free_fw_dump_desc(mvm
);
1250 mutex_lock(&mvm
->mutex
);
1251 __iwl_mvm_mac_stop(mvm
);
1252 mutex_unlock(&mvm
->mutex
);
1255 * The worker might have been waiting for the mutex, let it run and
1256 * discover that its list is now empty.
1258 cancel_work_sync(&mvm
->async_handlers_wk
);
1261 static struct iwl_mvm_phy_ctxt
*iwl_mvm_get_free_phy_ctxt(struct iwl_mvm
*mvm
)
1265 lockdep_assert_held(&mvm
->mutex
);
1267 for (i
= 0; i
< NUM_PHY_CTX
; i
++)
1268 if (!mvm
->phy_ctxts
[i
].ref
)
1269 return &mvm
->phy_ctxts
[i
];
1271 IWL_ERR(mvm
, "No available PHY context\n");
1275 static int iwl_mvm_set_tx_power(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
1278 struct iwl_dev_tx_power_cmd cmd
= {
1279 .v3
.set_mode
= cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC
),
1280 .v3
.mac_context_id
=
1281 cpu_to_le32(iwl_mvm_vif_from_mac80211(vif
)->id
),
1282 .v3
.pwr_restriction
= cpu_to_le16(8 * tx_power
),
1284 int len
= sizeof(cmd
);
1286 if (tx_power
== IWL_DEFAULT_MAX_TX_POWER
)
1287 cmd
.v3
.pwr_restriction
= cpu_to_le16(IWL_DEV_MAX_TX_POWER
);
1289 if (!fw_has_capa(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_CAPA_TX_POWER_ACK
))
1290 len
= sizeof(cmd
.v3
);
1292 return iwl_mvm_send_cmd_pdu(mvm
, REDUCE_TX_POWER_CMD
, 0, len
, &cmd
);
1295 static int iwl_mvm_mac_add_interface(struct ieee80211_hw
*hw
,
1296 struct ieee80211_vif
*vif
)
1298 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1299 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1305 * make sure D0i3 exit is completed, otherwise a target access
1306 * during tx queue configuration could be done when still in
1309 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_ADD_IF
);
1314 * Not much to do here. The stack will not allow interface
1315 * types or combinations that we didn't advertise, so we
1316 * don't really have to check the types.
1319 mutex_lock(&mvm
->mutex
);
1321 /* make sure that beacon statistics don't go backwards with FW reset */
1322 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
))
1323 mvmvif
->beacon_stats
.accu_num_beacons
+=
1324 mvmvif
->beacon_stats
.num_beacons
;
1326 /* Allocate resources for the MAC context, and add it to the fw */
1327 ret
= iwl_mvm_mac_ctxt_init(mvm
, vif
);
1331 /* Counting number of interfaces is needed for legacy PM */
1332 if (vif
->type
!= NL80211_IFTYPE_P2P_DEVICE
)
1336 * The AP binding flow can be done only after the beacon
1337 * template is configured (which happens only in the mac80211
1338 * start_ap() flow), and adding the broadcast station can happen
1339 * only after the binding.
1340 * In addition, since modifying the MAC before adding a bcast
1341 * station is not allowed by the FW, delay the adding of MAC context to
1342 * the point where we can also add the bcast station.
1343 * In short: there's not much we can do at this point, other than
1344 * allocating resources :)
1346 if (vif
->type
== NL80211_IFTYPE_AP
||
1347 vif
->type
== NL80211_IFTYPE_ADHOC
) {
1348 ret
= iwl_mvm_alloc_bcast_sta(mvm
, vif
);
1350 IWL_ERR(mvm
, "Failed to allocate bcast sta\n");
1354 iwl_mvm_vif_dbgfs_register(mvm
, vif
);
1358 mvmvif
->features
|= hw
->netdev_features
;
1360 ret
= iwl_mvm_mac_ctxt_add(mvm
, vif
);
1364 ret
= iwl_mvm_power_update_mac(mvm
);
1366 goto out_remove_mac
;
1368 /* beacon filtering */
1369 ret
= iwl_mvm_disable_beacon_filter(mvm
, vif
, 0);
1371 goto out_remove_mac
;
1373 if (!mvm
->bf_allowed_vif
&&
1374 vif
->type
== NL80211_IFTYPE_STATION
&& !vif
->p2p
) {
1375 mvm
->bf_allowed_vif
= mvmvif
;
1376 vif
->driver_flags
|= IEEE80211_VIF_BEACON_FILTER
|
1377 IEEE80211_VIF_SUPPORTS_CQM_RSSI
;
1381 * P2P_DEVICE interface does not have a channel context assigned to it,
1382 * so a dedicated PHY context is allocated to it and the corresponding
1383 * MAC context is bound to it at this stage.
1385 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
1387 mvmvif
->phy_ctxt
= iwl_mvm_get_free_phy_ctxt(mvm
);
1388 if (!mvmvif
->phy_ctxt
) {
1393 iwl_mvm_phy_ctxt_ref(mvm
, mvmvif
->phy_ctxt
);
1394 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
1398 ret
= iwl_mvm_add_bcast_sta(mvm
, vif
);
1402 /* Save a pointer to p2p device vif, so it can later be used to
1403 * update the p2p device MAC when a GO is started/stopped */
1404 mvm
->p2p_device_vif
= vif
;
1407 iwl_mvm_vif_dbgfs_register(mvm
, vif
);
1411 iwl_mvm_binding_remove_vif(mvm
, vif
);
1413 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
1415 if (mvm
->bf_allowed_vif
== mvmvif
) {
1416 mvm
->bf_allowed_vif
= NULL
;
1417 vif
->driver_flags
&= ~(IEEE80211_VIF_BEACON_FILTER
|
1418 IEEE80211_VIF_SUPPORTS_CQM_RSSI
);
1421 mvmvif
->phy_ctxt
= NULL
;
1422 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
1424 if (vif
->type
!= NL80211_IFTYPE_P2P_DEVICE
)
1427 iwl_mvm_mac_ctxt_release(mvm
, vif
);
1429 mutex_unlock(&mvm
->mutex
);
1431 iwl_mvm_unref(mvm
, IWL_MVM_REF_ADD_IF
);
1436 static void iwl_mvm_prepare_mac_removal(struct iwl_mvm
*mvm
,
1437 struct ieee80211_vif
*vif
)
1439 u32 tfd_msk
= iwl_mvm_mac_get_queues_mask(vif
);
1443 * mac80211 first removes all the stations of the vif and
1444 * then removes the vif. When it removes a station it also
1445 * flushes the AMPDU session. So by now, all the AMPDU sessions
1446 * of all the stations of this vif are closed, and the queues
1447 * of these AMPDU sessions are properly closed.
1448 * We still need to take care of the shared queues of the vif.
1451 mutex_lock(&mvm
->mutex
);
1452 iwl_mvm_flush_tx_path(mvm
, tfd_msk
, 0);
1453 mutex_unlock(&mvm
->mutex
);
1456 * There are transports that buffer a few frames in the host.
1457 * For these, the flush above isn't enough since while we were
1458 * flushing, the transport might have sent more frames to the
1459 * device. To solve this, wait here until the transport is
1460 * empty. Technically, this could have replaced the flush
1461 * above, but flush is much faster than draining. So flush
1462 * first, and drain to make sure we have no frames in the
1463 * transport anymore.
1464 * If a station still had frames on the shared queues, it is
1465 * already marked as draining, so to complete the draining, we
1466 * just need to wait until the transport is empty.
1468 iwl_trans_wait_tx_queue_empty(mvm
->trans
, tfd_msk
);
1471 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
1473 * Flush the ROC worker which will flush the OFFCHANNEL queue.
1474 * We assume here that all the packets sent to the OFFCHANNEL
1475 * queue are sent in ROC session.
1477 flush_work(&mvm
->roc_done_wk
);
1480 * By now, all the AC queues are empty. The AGG queues are
1481 * empty too. We already got all the Tx responses for all the
1482 * packets in the queues. The drain work can have been
1483 * triggered. Flush it.
1485 flush_work(&mvm
->sta_drained_wk
);
1489 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw
*hw
,
1490 struct ieee80211_vif
*vif
)
1492 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1493 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1495 iwl_mvm_prepare_mac_removal(mvm
, vif
);
1497 mutex_lock(&mvm
->mutex
);
1499 if (mvm
->bf_allowed_vif
== mvmvif
) {
1500 mvm
->bf_allowed_vif
= NULL
;
1501 vif
->driver_flags
&= ~(IEEE80211_VIF_BEACON_FILTER
|
1502 IEEE80211_VIF_SUPPORTS_CQM_RSSI
);
1505 iwl_mvm_vif_dbgfs_clean(mvm
, vif
);
1508 * For AP/GO interface, the tear down of the resources allocated to the
1509 * interface is be handled as part of the stop_ap flow.
1511 if (vif
->type
== NL80211_IFTYPE_AP
||
1512 vif
->type
== NL80211_IFTYPE_ADHOC
) {
1513 #ifdef CONFIG_NL80211_TESTMODE
1514 if (vif
== mvm
->noa_vif
) {
1515 mvm
->noa_vif
= NULL
;
1516 mvm
->noa_duration
= 0;
1519 iwl_mvm_dealloc_bcast_sta(mvm
, vif
);
1523 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
1524 mvm
->p2p_device_vif
= NULL
;
1525 iwl_mvm_rm_bcast_sta(mvm
, vif
);
1526 iwl_mvm_binding_remove_vif(mvm
, vif
);
1527 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
1528 mvmvif
->phy_ctxt
= NULL
;
1531 if (mvm
->vif_count
&& vif
->type
!= NL80211_IFTYPE_P2P_DEVICE
)
1534 iwl_mvm_power_update_mac(mvm
);
1535 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
1538 iwl_mvm_mac_ctxt_release(mvm
, vif
);
1539 mutex_unlock(&mvm
->mutex
);
1542 static int iwl_mvm_mac_config(struct ieee80211_hw
*hw
, u32 changed
)
1547 struct iwl_mvm_mc_iter_data
{
1548 struct iwl_mvm
*mvm
;
1552 static void iwl_mvm_mc_iface_iterator(void *_data
, u8
*mac
,
1553 struct ieee80211_vif
*vif
)
1555 struct iwl_mvm_mc_iter_data
*data
= _data
;
1556 struct iwl_mvm
*mvm
= data
->mvm
;
1557 struct iwl_mcast_filter_cmd
*cmd
= mvm
->mcast_filter_cmd
;
1560 /* if we don't have free ports, mcast frames will be dropped */
1561 if (WARN_ON_ONCE(data
->port_id
>= MAX_PORT_ID_NUM
))
1564 if (vif
->type
!= NL80211_IFTYPE_STATION
||
1565 !vif
->bss_conf
.assoc
)
1568 cmd
->port_id
= data
->port_id
++;
1569 memcpy(cmd
->bssid
, vif
->bss_conf
.bssid
, ETH_ALEN
);
1570 len
= roundup(sizeof(*cmd
) + cmd
->count
* ETH_ALEN
, 4);
1572 ret
= iwl_mvm_send_cmd_pdu(mvm
, MCAST_FILTER_CMD
, CMD_ASYNC
, len
, cmd
);
1574 IWL_ERR(mvm
, "mcast filter cmd error. ret=%d\n", ret
);
1577 static void iwl_mvm_recalc_multicast(struct iwl_mvm
*mvm
)
1579 struct iwl_mvm_mc_iter_data iter_data
= {
1583 lockdep_assert_held(&mvm
->mutex
);
1585 if (WARN_ON_ONCE(!mvm
->mcast_filter_cmd
))
1588 ieee80211_iterate_active_interfaces_atomic(
1589 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
1590 iwl_mvm_mc_iface_iterator
, &iter_data
);
1593 static u64
iwl_mvm_prepare_multicast(struct ieee80211_hw
*hw
,
1594 struct netdev_hw_addr_list
*mc_list
)
1596 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1597 struct iwl_mcast_filter_cmd
*cmd
;
1598 struct netdev_hw_addr
*addr
;
1603 addr_count
= netdev_hw_addr_list_count(mc_list
);
1604 pass_all
= addr_count
> MAX_MCAST_FILTERING_ADDRESSES
||
1605 IWL_MVM_FW_MCAST_FILTER_PASS_ALL
;
1609 len
= roundup(sizeof(*cmd
) + addr_count
* ETH_ALEN
, 4);
1610 cmd
= kzalloc(len
, GFP_ATOMIC
);
1616 return (u64
)(unsigned long)cmd
;
1619 netdev_hw_addr_list_for_each(addr
, mc_list
) {
1620 IWL_DEBUG_MAC80211(mvm
, "mcast addr (%d): %pM\n",
1621 cmd
->count
, addr
->addr
);
1622 memcpy(&cmd
->addr_list
[cmd
->count
* ETH_ALEN
],
1623 addr
->addr
, ETH_ALEN
);
1627 return (u64
)(unsigned long)cmd
;
1630 static void iwl_mvm_configure_filter(struct ieee80211_hw
*hw
,
1631 unsigned int changed_flags
,
1632 unsigned int *total_flags
,
1635 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1636 struct iwl_mcast_filter_cmd
*cmd
= (void *)(unsigned long)multicast
;
1638 mutex_lock(&mvm
->mutex
);
1640 /* replace previous configuration */
1641 kfree(mvm
->mcast_filter_cmd
);
1642 mvm
->mcast_filter_cmd
= cmd
;
1647 iwl_mvm_recalc_multicast(mvm
);
1649 mutex_unlock(&mvm
->mutex
);
1653 static void iwl_mvm_config_iface_filter(struct ieee80211_hw
*hw
,
1654 struct ieee80211_vif
*vif
,
1655 unsigned int filter_flags
,
1656 unsigned int changed_flags
)
1658 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1660 /* We support only filter for probe requests */
1661 if (!(changed_flags
& FIF_PROBE_REQ
))
1664 /* Supported only for p2p client interfaces */
1665 if (vif
->type
!= NL80211_IFTYPE_STATION
|| !vif
->bss_conf
.assoc
||
1669 mutex_lock(&mvm
->mutex
);
1670 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
1671 mutex_unlock(&mvm
->mutex
);
1674 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1675 struct iwl_bcast_iter_data
{
1676 struct iwl_mvm
*mvm
;
1677 struct iwl_bcast_filter_cmd
*cmd
;
1682 iwl_mvm_set_bcast_filter(struct ieee80211_vif
*vif
,
1683 const struct iwl_fw_bcast_filter
*in_filter
,
1684 struct iwl_fw_bcast_filter
*out_filter
)
1686 struct iwl_fw_bcast_filter_attr
*attr
;
1689 memcpy(out_filter
, in_filter
, sizeof(*out_filter
));
1691 for (i
= 0; i
< ARRAY_SIZE(out_filter
->attrs
); i
++) {
1692 attr
= &out_filter
->attrs
[i
];
1697 switch (attr
->reserved1
) {
1698 case cpu_to_le16(BC_FILTER_MAGIC_IP
):
1699 if (vif
->bss_conf
.arp_addr_cnt
!= 1) {
1704 attr
->val
= vif
->bss_conf
.arp_addr_list
[0];
1706 case cpu_to_le16(BC_FILTER_MAGIC_MAC
):
1707 attr
->val
= *(__be32
*)&vif
->addr
[2];
1712 attr
->reserved1
= 0;
1713 out_filter
->num_attrs
++;
1717 static void iwl_mvm_bcast_filter_iterator(void *_data
, u8
*mac
,
1718 struct ieee80211_vif
*vif
)
1720 struct iwl_bcast_iter_data
*data
= _data
;
1721 struct iwl_mvm
*mvm
= data
->mvm
;
1722 struct iwl_bcast_filter_cmd
*cmd
= data
->cmd
;
1723 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1724 struct iwl_fw_bcast_mac
*bcast_mac
;
1727 if (WARN_ON(mvmvif
->id
>= ARRAY_SIZE(cmd
->macs
)))
1730 bcast_mac
= &cmd
->macs
[mvmvif
->id
];
1733 * enable filtering only for associated stations, but not for P2P
1736 if (vif
->type
!= NL80211_IFTYPE_STATION
|| vif
->p2p
||
1737 !vif
->bss_conf
.assoc
)
1740 bcast_mac
->default_discard
= 1;
1742 /* copy all configured filters */
1743 for (i
= 0; mvm
->bcast_filters
[i
].attrs
[0].mask
; i
++) {
1745 * Make sure we don't exceed our filters limit.
1746 * if there is still a valid filter to be configured,
1747 * be on the safe side and just allow bcast for this mac.
1749 if (WARN_ON_ONCE(data
->current_filter
>=
1750 ARRAY_SIZE(cmd
->filters
))) {
1751 bcast_mac
->default_discard
= 0;
1752 bcast_mac
->attached_filters
= 0;
1756 iwl_mvm_set_bcast_filter(vif
,
1757 &mvm
->bcast_filters
[i
],
1758 &cmd
->filters
[data
->current_filter
]);
1760 /* skip current filter if it contains no attributes */
1761 if (!cmd
->filters
[data
->current_filter
].num_attrs
)
1764 /* attach the filter to current mac */
1765 bcast_mac
->attached_filters
|=
1766 cpu_to_le16(BIT(data
->current_filter
));
1768 data
->current_filter
++;
1772 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm
*mvm
,
1773 struct iwl_bcast_filter_cmd
*cmd
)
1775 struct iwl_bcast_iter_data iter_data
= {
1780 if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL
)
1783 memset(cmd
, 0, sizeof(*cmd
));
1784 cmd
->max_bcast_filters
= ARRAY_SIZE(cmd
->filters
);
1785 cmd
->max_macs
= ARRAY_SIZE(cmd
->macs
);
1787 #ifdef CONFIG_IWLWIFI_DEBUGFS
1788 /* use debugfs filters/macs if override is configured */
1789 if (mvm
->dbgfs_bcast_filtering
.override
) {
1790 memcpy(cmd
->filters
, &mvm
->dbgfs_bcast_filtering
.cmd
.filters
,
1791 sizeof(cmd
->filters
));
1792 memcpy(cmd
->macs
, &mvm
->dbgfs_bcast_filtering
.cmd
.macs
,
1798 /* if no filters are configured, do nothing */
1799 if (!mvm
->bcast_filters
)
1802 /* configure and attach these filters for each associated sta vif */
1803 ieee80211_iterate_active_interfaces(
1804 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
1805 iwl_mvm_bcast_filter_iterator
, &iter_data
);
1810 static int iwl_mvm_configure_bcast_filter(struct iwl_mvm
*mvm
)
1812 struct iwl_bcast_filter_cmd cmd
;
1814 if (!(mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_BCAST_FILTERING
))
1817 if (!iwl_mvm_bcast_filter_build_cmd(mvm
, &cmd
))
1820 return iwl_mvm_send_cmd_pdu(mvm
, BCAST_FILTER_CMD
, 0,
1824 static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm
*mvm
)
1830 static int iwl_mvm_update_mu_groups(struct iwl_mvm
*mvm
,
1831 struct ieee80211_vif
*vif
)
1833 struct iwl_mu_group_mgmt_cmd cmd
= {};
1835 memcpy(cmd
.membership_status
, vif
->bss_conf
.mu_group
.membership
,
1836 WLAN_MEMBERSHIP_LEN
);
1837 memcpy(cmd
.user_position
, vif
->bss_conf
.mu_group
.position
,
1838 WLAN_USER_POSITION_LEN
);
1840 return iwl_mvm_send_cmd_pdu(mvm
,
1841 WIDE_ID(DATA_PATH_GROUP
,
1842 UPDATE_MU_GROUPS_CMD
),
1843 0, sizeof(cmd
), &cmd
);
1846 static void iwl_mvm_mu_mimo_iface_iterator(void *_data
, u8
*mac
,
1847 struct ieee80211_vif
*vif
)
1849 if (vif
->mu_mimo_owner
) {
1850 struct iwl_mu_group_mgmt_notif
*notif
= _data
;
1853 * MU-MIMO Group Id action frame is little endian. We treat
1854 * the data received from firmware as if it came from the
1855 * action frame, so no conversion is needed.
1857 ieee80211_update_mu_groups(vif
,
1858 (u8
*)¬if
->membership_status
,
1859 (u8
*)¬if
->user_position
);
1863 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm
*mvm
,
1864 struct iwl_rx_cmd_buffer
*rxb
)
1866 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
1867 struct iwl_mu_group_mgmt_notif
*notif
= (void *)pkt
->data
;
1869 ieee80211_iterate_active_interfaces_atomic(
1870 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
1871 iwl_mvm_mu_mimo_iface_iterator
, notif
);
1874 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm
*mvm
,
1875 struct ieee80211_vif
*vif
,
1876 struct ieee80211_bss_conf
*bss_conf
,
1879 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1883 * Re-calculate the tsf id, as the master-slave relations depend on the
1884 * beacon interval, which was not known when the station interface was
1887 if (changes
& BSS_CHANGED_ASSOC
&& bss_conf
->assoc
)
1888 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm
, vif
);
1890 if (changes
& BSS_CHANGED_ASSOC
&& !bss_conf
->assoc
&&
1892 iwl_mvm_send_lqm_cmd(vif
, LQM_CMD_OPERATION_STOP_MEASUREMENT
,
1896 * If we're not associated yet, take the (new) BSSID before associating
1897 * so the firmware knows. If we're already associated, then use the old
1898 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC
1899 * branch for disassociation below.
1901 if (changes
& BSS_CHANGED_BSSID
&& !mvmvif
->associated
)
1902 memcpy(mvmvif
->bssid
, bss_conf
->bssid
, ETH_ALEN
);
1904 ret
= iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, mvmvif
->bssid
);
1906 IWL_ERR(mvm
, "failed to update MAC %pM\n", vif
->addr
);
1908 /* after sending it once, adopt mac80211 data */
1909 memcpy(mvmvif
->bssid
, bss_conf
->bssid
, ETH_ALEN
);
1910 mvmvif
->associated
= bss_conf
->assoc
;
1912 if (changes
& BSS_CHANGED_ASSOC
) {
1913 if (bss_conf
->assoc
) {
1914 /* clear statistics to get clean beacon counter */
1915 iwl_mvm_request_statistics(mvm
, true);
1916 memset(&mvmvif
->beacon_stats
, 0,
1917 sizeof(mvmvif
->beacon_stats
));
1919 /* add quota for this interface */
1920 ret
= iwl_mvm_update_quotas(mvm
, true, NULL
);
1922 IWL_ERR(mvm
, "failed to update quotas\n");
1926 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
,
1929 * If we're restarting then the firmware will
1930 * obviously have lost synchronisation with
1931 * the AP. It will attempt to synchronise by
1932 * itself, but we can make it more reliable by
1933 * scheduling a session protection time event.
1935 * The firmware needs to receive a beacon to
1936 * catch up with synchronisation, use 110% of
1937 * the beacon interval.
1939 * Set a large maximum delay to allow for more
1940 * than a single interface.
1942 u32 dur
= (11 * vif
->bss_conf
.beacon_int
) / 10;
1943 iwl_mvm_protect_session(mvm
, vif
, dur
, dur
,
1947 iwl_mvm_sf_update(mvm
, vif
, false);
1948 iwl_mvm_power_vif_assoc(mvm
, vif
);
1950 iwl_mvm_ref(mvm
, IWL_MVM_REF_P2P_CLIENT
);
1951 iwl_mvm_update_smps(mvm
, vif
,
1952 IWL_MVM_SMPS_REQ_PROT
,
1953 IEEE80211_SMPS_DYNAMIC
);
1955 } else if (mvmvif
->ap_sta_id
!= IWL_MVM_STATION_COUNT
) {
1957 * If update fails - SF might be running in associated
1958 * mode while disassociated - which is forbidden.
1960 WARN_ONCE(iwl_mvm_sf_update(mvm
, vif
, false),
1961 "Failed to update SF upon disassociation\n");
1963 /* remove AP station now that the MAC is unassoc */
1964 ret
= iwl_mvm_rm_sta_id(mvm
, vif
, mvmvif
->ap_sta_id
);
1966 IWL_ERR(mvm
, "failed to remove AP station\n");
1968 if (mvm
->d0i3_ap_sta_id
== mvmvif
->ap_sta_id
)
1969 mvm
->d0i3_ap_sta_id
= IWL_MVM_STATION_COUNT
;
1970 mvmvif
->ap_sta_id
= IWL_MVM_STATION_COUNT
;
1971 /* remove quota for this interface */
1972 ret
= iwl_mvm_update_quotas(mvm
, false, NULL
);
1974 IWL_ERR(mvm
, "failed to update quotas\n");
1977 iwl_mvm_unref(mvm
, IWL_MVM_REF_P2P_CLIENT
);
1979 /* this will take the cleared BSSID from bss_conf */
1980 ret
= iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
1983 "failed to update MAC %pM (clear after unassoc)\n",
1988 * The firmware tracks the MU-MIMO group on its own.
1989 * However, on HW restart we should restore this data.
1991 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
) &&
1992 (changes
& BSS_CHANGED_MU_GROUPS
) && vif
->mu_mimo_owner
) {
1993 ret
= iwl_mvm_update_mu_groups(mvm
, vif
);
1996 "failed to update VHT MU_MIMO groups\n");
1999 iwl_mvm_recalc_multicast(mvm
);
2000 iwl_mvm_configure_bcast_filter(mvm
);
2002 /* reset rssi values */
2003 mvmvif
->bf_data
.ave_beacon_signal
= 0;
2005 iwl_mvm_bt_coex_vif_change(mvm
);
2006 iwl_mvm_update_smps(mvm
, vif
, IWL_MVM_SMPS_REQ_TT
,
2007 IEEE80211_SMPS_AUTOMATIC
);
2008 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
2009 IWL_UCODE_TLV_CAPA_UMAC_SCAN
))
2010 iwl_mvm_config_scan(mvm
);
2013 if (changes
& BSS_CHANGED_BEACON_INFO
) {
2015 * We received a beacon from the associated AP so
2016 * remove the session protection.
2018 iwl_mvm_remove_time_event(mvm
, mvmvif
,
2019 &mvmvif
->time_event_data
);
2021 iwl_mvm_sf_update(mvm
, vif
, false);
2022 WARN_ON(iwl_mvm_enable_beacon_filter(mvm
, vif
, 0));
2025 if (changes
& (BSS_CHANGED_PS
| BSS_CHANGED_P2P_PS
| BSS_CHANGED_QOS
|
2027 * Send power command on every beacon change,
2028 * because we may have not enabled beacon abort yet.
2030 BSS_CHANGED_BEACON_INFO
)) {
2031 ret
= iwl_mvm_power_update_mac(mvm
);
2033 IWL_ERR(mvm
, "failed to update power mode\n");
2036 if (changes
& BSS_CHANGED_TXPOWER
) {
2037 IWL_DEBUG_CALIB(mvm
, "Changing TX Power to %d\n",
2039 iwl_mvm_set_tx_power(mvm
, vif
, bss_conf
->txpower
);
2042 if (changes
& BSS_CHANGED_CQM
) {
2043 IWL_DEBUG_MAC80211(mvm
, "cqm info_changed\n");
2044 /* reset cqm events tracking */
2045 mvmvif
->bf_data
.last_cqm_event
= 0;
2046 if (mvmvif
->bf_data
.bf_enabled
) {
2047 ret
= iwl_mvm_enable_beacon_filter(mvm
, vif
, 0);
2050 "failed to update CQM thresholds\n");
2054 if (changes
& BSS_CHANGED_ARP_FILTER
) {
2055 IWL_DEBUG_MAC80211(mvm
, "arp filter changed\n");
2056 iwl_mvm_configure_bcast_filter(mvm
);
2060 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw
*hw
,
2061 struct ieee80211_vif
*vif
)
2063 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2064 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2068 * iwl_mvm_mac_ctxt_add() might read directly from the device
2069 * (the system time), so make sure it is available.
2071 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_START_AP
);
2075 mutex_lock(&mvm
->mutex
);
2077 /* Send the beacon template */
2078 ret
= iwl_mvm_mac_ctxt_beacon_changed(mvm
, vif
);
2083 * Re-calculate the tsf id, as the master-slave relations depend on the
2084 * beacon interval, which was not known when the AP interface was added.
2086 if (vif
->type
== NL80211_IFTYPE_AP
)
2087 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm
, vif
);
2089 mvmvif
->ap_assoc_sta_count
= 0;
2091 /* Add the mac context */
2092 ret
= iwl_mvm_mac_ctxt_add(mvm
, vif
);
2096 /* Perform the binding */
2097 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
2101 /* Send the bcast station. At this stage the TBTT and DTIM time events
2102 * are added and applied to the scheduler */
2103 ret
= iwl_mvm_send_add_bcast_sta(mvm
, vif
);
2107 /* must be set before quota calculations */
2108 mvmvif
->ap_ibss_active
= true;
2110 /* power updated needs to be done before quotas */
2111 iwl_mvm_power_update_mac(mvm
);
2113 ret
= iwl_mvm_update_quotas(mvm
, false, NULL
);
2115 goto out_quota_failed
;
2117 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
2118 if (vif
->p2p
&& mvm
->p2p_device_vif
)
2119 iwl_mvm_mac_ctxt_changed(mvm
, mvm
->p2p_device_vif
, false, NULL
);
2121 iwl_mvm_ref(mvm
, IWL_MVM_REF_AP_IBSS
);
2123 iwl_mvm_bt_coex_vif_change(mvm
);
2125 /* we don't support TDLS during DCM */
2126 if (iwl_mvm_phy_ctx_count(mvm
) > 1)
2127 iwl_mvm_teardown_tdls_peers(mvm
);
2132 iwl_mvm_power_update_mac(mvm
);
2133 mvmvif
->ap_ibss_active
= false;
2134 iwl_mvm_send_rm_bcast_sta(mvm
, vif
);
2136 iwl_mvm_binding_remove_vif(mvm
, vif
);
2138 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
2140 mutex_unlock(&mvm
->mutex
);
2141 iwl_mvm_unref(mvm
, IWL_MVM_REF_START_AP
);
2145 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw
*hw
,
2146 struct ieee80211_vif
*vif
)
2148 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2149 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2151 iwl_mvm_prepare_mac_removal(mvm
, vif
);
2153 mutex_lock(&mvm
->mutex
);
2155 /* Handle AP stop while in CSA */
2156 if (rcu_access_pointer(mvm
->csa_vif
) == vif
) {
2157 iwl_mvm_remove_time_event(mvm
, mvmvif
,
2158 &mvmvif
->time_event_data
);
2159 RCU_INIT_POINTER(mvm
->csa_vif
, NULL
);
2160 mvmvif
->csa_countdown
= false;
2163 if (rcu_access_pointer(mvm
->csa_tx_blocked_vif
) == vif
) {
2164 RCU_INIT_POINTER(mvm
->csa_tx_blocked_vif
, NULL
);
2165 mvm
->csa_tx_block_bcn_timeout
= 0;
2168 mvmvif
->ap_ibss_active
= false;
2169 mvm
->ap_last_beacon_gp2
= 0;
2171 iwl_mvm_bt_coex_vif_change(mvm
);
2173 iwl_mvm_unref(mvm
, IWL_MVM_REF_AP_IBSS
);
2175 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
2176 if (vif
->p2p
&& mvm
->p2p_device_vif
)
2177 iwl_mvm_mac_ctxt_changed(mvm
, mvm
->p2p_device_vif
, false, NULL
);
2179 iwl_mvm_update_quotas(mvm
, false, NULL
);
2180 iwl_mvm_send_rm_bcast_sta(mvm
, vif
);
2181 iwl_mvm_binding_remove_vif(mvm
, vif
);
2183 iwl_mvm_power_update_mac(mvm
);
2185 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
2187 mutex_unlock(&mvm
->mutex
);
2191 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm
*mvm
,
2192 struct ieee80211_vif
*vif
,
2193 struct ieee80211_bss_conf
*bss_conf
,
2196 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2198 /* Changes will be applied when the AP/IBSS is started */
2199 if (!mvmvif
->ap_ibss_active
)
2202 if (changes
& (BSS_CHANGED_ERP_CTS_PROT
| BSS_CHANGED_HT
|
2203 BSS_CHANGED_BANDWIDTH
| BSS_CHANGED_QOS
) &&
2204 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
))
2205 IWL_ERR(mvm
, "failed to update MAC %pM\n", vif
->addr
);
2207 /* Need to send a new beacon template to the FW */
2208 if (changes
& BSS_CHANGED_BEACON
&&
2209 iwl_mvm_mac_ctxt_beacon_changed(mvm
, vif
))
2210 IWL_WARN(mvm
, "Failed updating beacon data\n");
2212 if (changes
& BSS_CHANGED_TXPOWER
) {
2213 IWL_DEBUG_CALIB(mvm
, "Changing TX Power to %d\n",
2215 iwl_mvm_set_tx_power(mvm
, vif
, bss_conf
->txpower
);
2219 static void iwl_mvm_bss_info_changed(struct ieee80211_hw
*hw
,
2220 struct ieee80211_vif
*vif
,
2221 struct ieee80211_bss_conf
*bss_conf
,
2224 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2227 * iwl_mvm_bss_info_changed_station() might call
2228 * iwl_mvm_protect_session(), which reads directly from
2229 * the device (the system time), so make sure it is available.
2231 if (iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_BSS_CHANGED
))
2234 mutex_lock(&mvm
->mutex
);
2236 if (changes
& BSS_CHANGED_IDLE
&& !bss_conf
->idle
)
2237 iwl_mvm_scan_stop(mvm
, IWL_MVM_SCAN_SCHED
, true);
2239 switch (vif
->type
) {
2240 case NL80211_IFTYPE_STATION
:
2241 iwl_mvm_bss_info_changed_station(mvm
, vif
, bss_conf
, changes
);
2243 case NL80211_IFTYPE_AP
:
2244 case NL80211_IFTYPE_ADHOC
:
2245 iwl_mvm_bss_info_changed_ap_ibss(mvm
, vif
, bss_conf
, changes
);
2247 case NL80211_IFTYPE_MONITOR
:
2248 if (changes
& BSS_CHANGED_MU_GROUPS
)
2249 iwl_mvm_update_mu_groups(mvm
, vif
);
2252 /* shouldn't happen */
2256 mutex_unlock(&mvm
->mutex
);
2257 iwl_mvm_unref(mvm
, IWL_MVM_REF_BSS_CHANGED
);
2260 static int iwl_mvm_mac_hw_scan(struct ieee80211_hw
*hw
,
2261 struct ieee80211_vif
*vif
,
2262 struct ieee80211_scan_request
*hw_req
)
2264 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2267 if (hw_req
->req
.n_channels
== 0 ||
2268 hw_req
->req
.n_channels
> mvm
->fw
->ucode_capa
.n_scan_channels
)
2271 mutex_lock(&mvm
->mutex
);
2272 ret
= iwl_mvm_reg_scan_start(mvm
, vif
, &hw_req
->req
, &hw_req
->ies
);
2273 mutex_unlock(&mvm
->mutex
);
2278 static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw
*hw
,
2279 struct ieee80211_vif
*vif
)
2281 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2283 mutex_lock(&mvm
->mutex
);
2285 /* Due to a race condition, it's possible that mac80211 asks
2286 * us to stop a hw_scan when it's already stopped. This can
2287 * happen, for instance, if we stopped the scan ourselves,
2288 * called ieee80211_scan_completed() and the userspace called
2289 * cancel scan scan before ieee80211_scan_work() could run.
2290 * To handle that, simply return if the scan is not running.
2292 if (mvm
->scan_status
& IWL_MVM_SCAN_REGULAR
)
2293 iwl_mvm_scan_stop(mvm
, IWL_MVM_SCAN_REGULAR
, true);
2295 mutex_unlock(&mvm
->mutex
);
2299 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw
*hw
,
2300 struct ieee80211_sta
*sta
, u16 tids
,
2302 enum ieee80211_frame_release_type reason
,
2305 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2307 /* Called when we need to transmit (a) frame(s) from mac80211 */
2309 iwl_mvm_sta_modify_sleep_tx_count(mvm
, sta
, reason
, num_frames
,
2310 tids
, more_data
, false);
2314 iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw
*hw
,
2315 struct ieee80211_sta
*sta
, u16 tids
,
2317 enum ieee80211_frame_release_type reason
,
2320 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2322 /* Called when we need to transmit (a) frame(s) from agg queue */
2324 iwl_mvm_sta_modify_sleep_tx_count(mvm
, sta
, reason
, num_frames
,
2325 tids
, more_data
, true);
2328 static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw
*hw
,
2329 enum sta_notify_cmd cmd
,
2330 struct ieee80211_sta
*sta
)
2332 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2333 struct iwl_mvm_sta
*mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
2334 unsigned long txqs
= 0, tids
= 0;
2337 spin_lock_bh(&mvmsta
->lock
);
2338 for (tid
= 0; tid
< IWL_MAX_TID_COUNT
; tid
++) {
2339 struct iwl_mvm_tid_data
*tid_data
= &mvmsta
->tid_data
[tid
];
2341 if (tid_data
->state
!= IWL_AGG_ON
&&
2342 tid_data
->state
!= IWL_EMPTYING_HW_QUEUE_DELBA
)
2345 __set_bit(tid_data
->txq_id
, &txqs
);
2347 if (iwl_mvm_tid_queued(tid_data
) == 0)
2350 __set_bit(tid
, &tids
);
2354 case STA_NOTIFY_SLEEP
:
2355 if (atomic_read(&mvm
->pending_frames
[mvmsta
->sta_id
]) > 0)
2356 ieee80211_sta_block_awake(hw
, sta
, true);
2358 for_each_set_bit(tid
, &tids
, IWL_MAX_TID_COUNT
)
2359 ieee80211_sta_set_buffered(sta
, tid
, true);
2362 iwl_trans_freeze_txq_timer(mvm
->trans
, txqs
, true);
2364 * The fw updates the STA to be asleep. Tx packets on the Tx
2365 * queues to this station will not be transmitted. The fw will
2366 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
2369 case STA_NOTIFY_AWAKE
:
2370 if (WARN_ON(mvmsta
->sta_id
== IWL_MVM_STATION_COUNT
))
2374 iwl_trans_freeze_txq_timer(mvm
->trans
, txqs
, false);
2375 iwl_mvm_sta_modify_ps_wake(mvm
, sta
);
2380 spin_unlock_bh(&mvmsta
->lock
);
2383 static void iwl_mvm_mac_sta_notify(struct ieee80211_hw
*hw
,
2384 struct ieee80211_vif
*vif
,
2385 enum sta_notify_cmd cmd
,
2386 struct ieee80211_sta
*sta
)
2388 __iwl_mvm_mac_sta_notify(hw
, cmd
, sta
);
2391 void iwl_mvm_sta_pm_notif(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
)
2393 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
2394 struct iwl_mvm_pm_state_notification
*notif
= (void *)pkt
->data
;
2395 struct ieee80211_sta
*sta
;
2396 struct iwl_mvm_sta
*mvmsta
;
2397 bool sleeping
= (notif
->type
!= IWL_MVM_PM_EVENT_AWAKE
);
2399 if (WARN_ON(notif
->sta_id
>= ARRAY_SIZE(mvm
->fw_id_to_mac_id
)))
2403 sta
= mvm
->fw_id_to_mac_id
[notif
->sta_id
];
2404 if (WARN_ON(IS_ERR_OR_NULL(sta
))) {
2409 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
2412 mvmsta
->vif
->type
!= NL80211_IFTYPE_AP
) {
2417 if (mvmsta
->sleeping
!= sleeping
) {
2418 mvmsta
->sleeping
= sleeping
;
2419 __iwl_mvm_mac_sta_notify(mvm
->hw
,
2420 sleeping
? STA_NOTIFY_SLEEP
: STA_NOTIFY_AWAKE
,
2422 ieee80211_sta_ps_transition(sta
, sleeping
);
2426 switch (notif
->type
) {
2427 case IWL_MVM_PM_EVENT_AWAKE
:
2428 case IWL_MVM_PM_EVENT_ASLEEP
:
2430 case IWL_MVM_PM_EVENT_UAPSD
:
2431 ieee80211_sta_uapsd_trigger(sta
, IEEE80211_NUM_TIDS
);
2433 case IWL_MVM_PM_EVENT_PS_POLL
:
2434 ieee80211_sta_pspoll(sta
);
2444 static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw
*hw
,
2445 struct ieee80211_vif
*vif
,
2446 struct ieee80211_sta
*sta
)
2448 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2449 struct iwl_mvm_sta
*mvm_sta
= iwl_mvm_sta_from_mac80211(sta
);
2452 * This is called before mac80211 does RCU synchronisation,
2453 * so here we already invalidate our internal RCU-protected
2454 * station pointer. The rest of the code will thus no longer
2455 * be able to find the station this way, and we don't rely
2456 * on further RCU synchronisation after the sta_state()
2457 * callback deleted the station.
2459 mutex_lock(&mvm
->mutex
);
2460 if (sta
== rcu_access_pointer(mvm
->fw_id_to_mac_id
[mvm_sta
->sta_id
]))
2461 rcu_assign_pointer(mvm
->fw_id_to_mac_id
[mvm_sta
->sta_id
],
2464 mutex_unlock(&mvm
->mutex
);
2467 static void iwl_mvm_check_uapsd(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
2470 if (!(mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT
))
2473 if (vif
->p2p
&& !iwl_mvm_is_p2p_scm_uapsd_supported(mvm
)) {
2474 vif
->driver_flags
&= ~IEEE80211_VIF_SUPPORTS_UAPSD
;
2479 (iwlwifi_mod_params
.uapsd_disable
& IWL_DISABLE_UAPSD_BSS
)) {
2480 vif
->driver_flags
&= ~IEEE80211_VIF_SUPPORTS_UAPSD
;
2484 vif
->driver_flags
|= IEEE80211_VIF_SUPPORTS_UAPSD
;
2488 iwl_mvm_tdls_check_trigger(struct iwl_mvm
*mvm
,
2489 struct ieee80211_vif
*vif
, u8
*peer_addr
,
2490 enum nl80211_tdls_operation action
)
2492 struct iwl_fw_dbg_trigger_tlv
*trig
;
2493 struct iwl_fw_dbg_trigger_tdls
*tdls_trig
;
2495 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_TDLS
))
2498 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_TDLS
);
2499 tdls_trig
= (void *)trig
->data
;
2500 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
2503 if (!(tdls_trig
->action_bitmap
& BIT(action
)))
2506 if (tdls_trig
->peer_mode
&&
2507 memcmp(tdls_trig
->peer
, peer_addr
, ETH_ALEN
) != 0)
2510 iwl_mvm_fw_dbg_collect_trig(mvm
, trig
,
2511 "TDLS event occurred, peer %pM, action %d",
2515 static void iwl_mvm_purge_deferred_tx_frames(struct iwl_mvm
*mvm
,
2516 struct iwl_mvm_sta
*mvm_sta
)
2518 struct iwl_mvm_tid_data
*tid_data
;
2519 struct sk_buff
*skb
;
2522 spin_lock_bh(&mvm_sta
->lock
);
2523 for (i
= 0; i
<= IWL_MAX_TID_COUNT
; i
++) {
2524 tid_data
= &mvm_sta
->tid_data
[i
];
2525 while ((skb
= __skb_dequeue(&tid_data
->deferred_tx_frames
)))
2526 ieee80211_free_txskb(mvm
->hw
, skb
);
2528 spin_unlock_bh(&mvm_sta
->lock
);
2531 static int iwl_mvm_mac_sta_state(struct ieee80211_hw
*hw
,
2532 struct ieee80211_vif
*vif
,
2533 struct ieee80211_sta
*sta
,
2534 enum ieee80211_sta_state old_state
,
2535 enum ieee80211_sta_state new_state
)
2537 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2538 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2539 struct iwl_mvm_sta
*mvm_sta
= iwl_mvm_sta_from_mac80211(sta
);
2542 IWL_DEBUG_MAC80211(mvm
, "station %pM state change %d->%d\n",
2543 sta
->addr
, old_state
, new_state
);
2545 /* this would be a mac80211 bug ... but don't crash */
2546 if (WARN_ON_ONCE(!mvmvif
->phy_ctxt
))
2549 /* if a STA is being removed, reuse its ID */
2550 flush_work(&mvm
->sta_drained_wk
);
2553 * If we are in a STA removal flow and in DQA mode:
2555 * This is after the sync_rcu part, so the queues have already been
2556 * flushed. No more TXs on their way in mac80211's path, and no more in
2558 * Also, we won't be getting any new TX frames for this station.
2559 * What we might have are deferred TX frames that need to be taken care
2562 * Drop any still-queued deferred-frame before removing the STA, and
2563 * make sure the worker is no longer handling frames for this STA.
2565 if (old_state
== IEEE80211_STA_NONE
&&
2566 new_state
== IEEE80211_STA_NOTEXIST
&&
2567 iwl_mvm_is_dqa_supported(mvm
)) {
2568 iwl_mvm_purge_deferred_tx_frames(mvm
, mvm_sta
);
2569 flush_work(&mvm
->add_stream_wk
);
2572 * No need to make sure deferred TX indication is off since the
2573 * worker will already remove it if it was on
2577 mutex_lock(&mvm
->mutex
);
2578 /* track whether or not the station is associated */
2579 mvm_sta
->associated
= new_state
>= IEEE80211_STA_ASSOC
;
2581 if (old_state
== IEEE80211_STA_NOTEXIST
&&
2582 new_state
== IEEE80211_STA_NONE
) {
2584 * Firmware bug - it'll crash if the beacon interval is less
2585 * than 16. We can't avoid connecting at all, so refuse the
2586 * station state change, this will cause mac80211 to abandon
2587 * attempts to connect to this AP, and eventually wpa_s will
2588 * blacklist the AP...
2590 if (vif
->type
== NL80211_IFTYPE_STATION
&&
2591 vif
->bss_conf
.beacon_int
< 16) {
2593 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
2594 sta
->addr
, vif
->bss_conf
.beacon_int
);
2601 iwl_mvm_tdls_sta_count(mvm
, NULL
) ==
2602 IWL_MVM_TDLS_STA_COUNT
||
2603 iwl_mvm_phy_ctx_count(mvm
) > 1)) {
2604 IWL_DEBUG_MAC80211(mvm
, "refusing TDLS sta\n");
2609 ret
= iwl_mvm_add_sta(mvm
, vif
, sta
);
2610 if (sta
->tdls
&& ret
== 0) {
2611 iwl_mvm_recalc_tdls_state(mvm
, vif
, true);
2612 iwl_mvm_tdls_check_trigger(mvm
, vif
, sta
->addr
,
2613 NL80211_TDLS_SETUP
);
2615 } else if (old_state
== IEEE80211_STA_NONE
&&
2616 new_state
== IEEE80211_STA_AUTH
) {
2618 * EBS may be disabled due to previous failures reported by FW.
2619 * Reset EBS status here assuming environment has been changed.
2621 mvm
->last_ebs_successful
= true;
2622 iwl_mvm_check_uapsd(mvm
, vif
, sta
->addr
);
2624 } else if (old_state
== IEEE80211_STA_AUTH
&&
2625 new_state
== IEEE80211_STA_ASSOC
) {
2626 if (vif
->type
== NL80211_IFTYPE_AP
) {
2627 mvmvif
->ap_assoc_sta_count
++;
2628 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
2631 iwl_mvm_rs_rate_init(mvm
, sta
, mvmvif
->phy_ctxt
->channel
->band
,
2633 ret
= iwl_mvm_update_sta(mvm
, vif
, sta
);
2634 } else if (old_state
== IEEE80211_STA_ASSOC
&&
2635 new_state
== IEEE80211_STA_AUTHORIZED
) {
2637 /* we don't support TDLS during DCM */
2638 if (iwl_mvm_phy_ctx_count(mvm
) > 1)
2639 iwl_mvm_teardown_tdls_peers(mvm
);
2642 iwl_mvm_tdls_check_trigger(mvm
, vif
, sta
->addr
,
2643 NL80211_TDLS_ENABLE_LINK
);
2645 /* enable beacon filtering */
2646 WARN_ON(iwl_mvm_enable_beacon_filter(mvm
, vif
, 0));
2648 } else if (old_state
== IEEE80211_STA_AUTHORIZED
&&
2649 new_state
== IEEE80211_STA_ASSOC
) {
2650 /* disable beacon filtering */
2651 WARN_ON(iwl_mvm_disable_beacon_filter(mvm
, vif
, 0));
2653 } else if (old_state
== IEEE80211_STA_ASSOC
&&
2654 new_state
== IEEE80211_STA_AUTH
) {
2655 if (vif
->type
== NL80211_IFTYPE_AP
) {
2656 mvmvif
->ap_assoc_sta_count
--;
2657 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
2660 } else if (old_state
== IEEE80211_STA_AUTH
&&
2661 new_state
== IEEE80211_STA_NONE
) {
2663 } else if (old_state
== IEEE80211_STA_NONE
&&
2664 new_state
== IEEE80211_STA_NOTEXIST
) {
2665 ret
= iwl_mvm_rm_sta(mvm
, vif
, sta
);
2667 iwl_mvm_recalc_tdls_state(mvm
, vif
, false);
2668 iwl_mvm_tdls_check_trigger(mvm
, vif
, sta
->addr
,
2669 NL80211_TDLS_DISABLE_LINK
);
2675 mutex_unlock(&mvm
->mutex
);
2677 if (sta
->tdls
&& ret
== 0) {
2678 if (old_state
== IEEE80211_STA_NOTEXIST
&&
2679 new_state
== IEEE80211_STA_NONE
)
2680 ieee80211_reserve_tid(sta
, IWL_MVM_TDLS_FW_TID
);
2681 else if (old_state
== IEEE80211_STA_NONE
&&
2682 new_state
== IEEE80211_STA_NOTEXIST
)
2683 ieee80211_unreserve_tid(sta
, IWL_MVM_TDLS_FW_TID
);
2689 static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw
*hw
, u32 value
)
2691 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2693 mvm
->rts_threshold
= value
;
2698 static void iwl_mvm_sta_rc_update(struct ieee80211_hw
*hw
,
2699 struct ieee80211_vif
*vif
,
2700 struct ieee80211_sta
*sta
, u32 changed
)
2702 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2704 if (vif
->type
== NL80211_IFTYPE_STATION
&&
2705 changed
& IEEE80211_RC_NSS_CHANGED
)
2706 iwl_mvm_sf_update(mvm
, vif
, false);
2709 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw
*hw
,
2710 struct ieee80211_vif
*vif
, u16 ac
,
2711 const struct ieee80211_tx_queue_params
*params
)
2713 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2714 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2716 mvmvif
->queue_params
[ac
] = *params
;
2719 * No need to update right away, we'll get BSS_CHANGED_QOS
2720 * The exception is P2P_DEVICE interface which needs immediate update.
2722 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
2725 mutex_lock(&mvm
->mutex
);
2726 ret
= iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
2727 mutex_unlock(&mvm
->mutex
);
2733 static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw
*hw
,
2734 struct ieee80211_vif
*vif
)
2736 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2737 u32 duration
= IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS
;
2738 u32 min_duration
= IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS
;
2740 if (WARN_ON_ONCE(vif
->bss_conf
.assoc
))
2744 * iwl_mvm_protect_session() reads directly from the device
2745 * (the system time), so make sure it is available.
2747 if (iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_PREPARE_TX
))
2750 mutex_lock(&mvm
->mutex
);
2751 /* Try really hard to protect the session and hear a beacon */
2752 iwl_mvm_protect_session(mvm
, vif
, duration
, min_duration
, 500, false);
2753 mutex_unlock(&mvm
->mutex
);
2755 iwl_mvm_unref(mvm
, IWL_MVM_REF_PREPARE_TX
);
2758 static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw
*hw
,
2759 struct ieee80211_vif
*vif
,
2760 struct cfg80211_sched_scan_request
*req
,
2761 struct ieee80211_scan_ies
*ies
)
2763 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2767 mutex_lock(&mvm
->mutex
);
2769 if (!vif
->bss_conf
.idle
) {
2774 ret
= iwl_mvm_sched_scan_start(mvm
, vif
, req
, ies
, IWL_MVM_SCAN_SCHED
);
2777 mutex_unlock(&mvm
->mutex
);
2781 static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw
*hw
,
2782 struct ieee80211_vif
*vif
)
2784 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2787 mutex_lock(&mvm
->mutex
);
2789 /* Due to a race condition, it's possible that mac80211 asks
2790 * us to stop a sched_scan when it's already stopped. This
2791 * can happen, for instance, if we stopped the scan ourselves,
2792 * called ieee80211_sched_scan_stopped() and the userspace called
2793 * stop sched scan scan before ieee80211_sched_scan_stopped_work()
2794 * could run. To handle this, simply return if the scan is
2797 if (!(mvm
->scan_status
& IWL_MVM_SCAN_SCHED
)) {
2798 mutex_unlock(&mvm
->mutex
);
2802 ret
= iwl_mvm_scan_stop(mvm
, IWL_MVM_SCAN_SCHED
, false);
2803 mutex_unlock(&mvm
->mutex
);
2804 iwl_mvm_wait_for_async_handlers(mvm
);
2809 static int iwl_mvm_mac_set_key(struct ieee80211_hw
*hw
,
2810 enum set_key_cmd cmd
,
2811 struct ieee80211_vif
*vif
,
2812 struct ieee80211_sta
*sta
,
2813 struct ieee80211_key_conf
*key
)
2815 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2816 struct iwl_mvm_sta
*mvmsta
;
2817 struct iwl_mvm_key_pn
*ptk_pn
;
2818 int keyidx
= key
->keyidx
;
2822 if (iwlwifi_mod_params
.sw_crypto
) {
2823 IWL_DEBUG_MAC80211(mvm
, "leave - hwcrypto disabled\n");
2827 switch (key
->cipher
) {
2828 case WLAN_CIPHER_SUITE_TKIP
:
2829 key
->flags
|= IEEE80211_KEY_FLAG_GENERATE_MMIC
;
2830 key
->flags
|= IEEE80211_KEY_FLAG_PUT_IV_SPACE
;
2832 case WLAN_CIPHER_SUITE_CCMP
:
2833 case WLAN_CIPHER_SUITE_GCMP
:
2834 case WLAN_CIPHER_SUITE_GCMP_256
:
2835 key
->flags
|= IEEE80211_KEY_FLAG_PUT_IV_SPACE
;
2837 case WLAN_CIPHER_SUITE_AES_CMAC
:
2838 case WLAN_CIPHER_SUITE_BIP_GMAC_128
:
2839 case WLAN_CIPHER_SUITE_BIP_GMAC_256
:
2840 WARN_ON_ONCE(!ieee80211_hw_check(hw
, MFP_CAPABLE
));
2842 case WLAN_CIPHER_SUITE_WEP40
:
2843 case WLAN_CIPHER_SUITE_WEP104
:
2844 /* For non-client mode, only use WEP keys for TX as we probably
2845 * don't have a station yet anyway and would then have to keep
2846 * track of the keys, linking them to each of the clients/peers
2847 * as they appear. For now, don't do that, for performance WEP
2848 * offload doesn't really matter much, but we need it for some
2849 * other offload features in client mode.
2851 if (vif
->type
!= NL80211_IFTYPE_STATION
)
2855 /* currently FW supports only one optional cipher scheme */
2856 if (hw
->n_cipher_schemes
&&
2857 hw
->cipher_schemes
->cipher
== key
->cipher
)
2858 key
->flags
|= IEEE80211_KEY_FLAG_PUT_IV_SPACE
;
2863 mutex_lock(&mvm
->mutex
);
2867 if ((vif
->type
== NL80211_IFTYPE_ADHOC
||
2868 vif
->type
== NL80211_IFTYPE_AP
) && !sta
) {
2870 * GTK on AP interface is a TX-only key, return 0;
2871 * on IBSS they're per-station and because we're lazy
2872 * we don't support them for RX, so do the same.
2873 * CMAC/GMAC in AP/IBSS modes must be done in software.
2875 if (key
->cipher
== WLAN_CIPHER_SUITE_AES_CMAC
||
2876 key
->cipher
== WLAN_CIPHER_SUITE_BIP_GMAC_128
||
2877 key
->cipher
== WLAN_CIPHER_SUITE_BIP_GMAC_256
)
2881 key
->hw_key_idx
= STA_KEY_IDX_INVALID
;
2885 /* During FW restart, in order to restore the state as it was,
2886 * don't try to reprogram keys we previously failed for.
2888 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
) &&
2889 key
->hw_key_idx
== STA_KEY_IDX_INVALID
) {
2890 IWL_DEBUG_MAC80211(mvm
,
2891 "skip invalid idx key programming during restart\n");
2896 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
) &&
2897 sta
&& iwl_mvm_has_new_rx_api(mvm
) &&
2898 key
->flags
& IEEE80211_KEY_FLAG_PAIRWISE
&&
2899 (key
->cipher
== WLAN_CIPHER_SUITE_CCMP
||
2900 key
->cipher
== WLAN_CIPHER_SUITE_GCMP
||
2901 key
->cipher
== WLAN_CIPHER_SUITE_GCMP_256
)) {
2902 struct ieee80211_key_seq seq
;
2905 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
2906 WARN_ON(rcu_access_pointer(mvmsta
->ptk_pn
[keyidx
]));
2907 ptk_pn
= kzalloc(sizeof(*ptk_pn
) +
2908 mvm
->trans
->num_rx_queues
*
2909 sizeof(ptk_pn
->q
[0]),
2916 for (tid
= 0; tid
< IWL_MAX_TID_COUNT
; tid
++) {
2917 ieee80211_get_key_rx_seq(key
, tid
, &seq
);
2918 for (q
= 0; q
< mvm
->trans
->num_rx_queues
; q
++)
2919 memcpy(ptk_pn
->q
[q
].pn
[tid
],
2921 IEEE80211_CCMP_PN_LEN
);
2924 rcu_assign_pointer(mvmsta
->ptk_pn
[keyidx
], ptk_pn
);
2927 /* in HW restart reuse the index, otherwise request a new one */
2928 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
))
2929 key_offset
= key
->hw_key_idx
;
2931 key_offset
= STA_KEY_IDX_INVALID
;
2933 IWL_DEBUG_MAC80211(mvm
, "set hwcrypto key\n");
2934 ret
= iwl_mvm_set_sta_key(mvm
, vif
, sta
, key
, key_offset
);
2936 IWL_WARN(mvm
, "set key failed\n");
2938 * can't add key for RX, but we don't need it
2939 * in the device for TX so still return 0
2941 key
->hw_key_idx
= STA_KEY_IDX_INVALID
;
2947 if (key
->hw_key_idx
== STA_KEY_IDX_INVALID
) {
2952 if (sta
&& iwl_mvm_has_new_rx_api(mvm
) &&
2953 key
->flags
& IEEE80211_KEY_FLAG_PAIRWISE
&&
2954 (key
->cipher
== WLAN_CIPHER_SUITE_CCMP
||
2955 key
->cipher
== WLAN_CIPHER_SUITE_GCMP
||
2956 key
->cipher
== WLAN_CIPHER_SUITE_GCMP_256
)) {
2957 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
2958 ptk_pn
= rcu_dereference_protected(
2959 mvmsta
->ptk_pn
[keyidx
],
2960 lockdep_is_held(&mvm
->mutex
));
2961 RCU_INIT_POINTER(mvmsta
->ptk_pn
[keyidx
], NULL
);
2963 kfree_rcu(ptk_pn
, rcu_head
);
2966 IWL_DEBUG_MAC80211(mvm
, "disable hwcrypto key\n");
2967 ret
= iwl_mvm_remove_sta_key(mvm
, vif
, sta
, key
);
2973 mutex_unlock(&mvm
->mutex
);
2977 static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw
*hw
,
2978 struct ieee80211_vif
*vif
,
2979 struct ieee80211_key_conf
*keyconf
,
2980 struct ieee80211_sta
*sta
,
2981 u32 iv32
, u16
*phase1key
)
2983 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2985 if (keyconf
->hw_key_idx
== STA_KEY_IDX_INVALID
)
2988 iwl_mvm_update_tkip_key(mvm
, vif
, keyconf
, sta
, iv32
, phase1key
);
2992 static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data
*notif_wait
,
2993 struct iwl_rx_packet
*pkt
, void *data
)
2995 struct iwl_mvm
*mvm
=
2996 container_of(notif_wait
, struct iwl_mvm
, notif_wait
);
2997 struct iwl_hs20_roc_res
*resp
;
2998 int resp_len
= iwl_rx_packet_payload_len(pkt
);
2999 struct iwl_mvm_time_event_data
*te_data
= data
;
3001 if (WARN_ON(pkt
->hdr
.cmd
!= HOT_SPOT_CMD
))
3004 if (WARN_ON_ONCE(resp_len
!= sizeof(*resp
))) {
3005 IWL_ERR(mvm
, "Invalid HOT_SPOT_CMD response\n");
3009 resp
= (void *)pkt
->data
;
3012 "Aux ROC: Recieved response from ucode: status=%d uid=%d\n",
3013 resp
->status
, resp
->event_unique_id
);
3015 te_data
->uid
= le32_to_cpu(resp
->event_unique_id
);
3016 IWL_DEBUG_TE(mvm
, "TIME_EVENT_CMD response - UID = 0x%x\n",
3019 spin_lock_bh(&mvm
->time_event_lock
);
3020 list_add_tail(&te_data
->list
, &mvm
->aux_roc_te_list
);
3021 spin_unlock_bh(&mvm
->time_event_lock
);
3026 #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100)
3027 #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200)
3028 #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600)
3029 #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20)
3030 #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10)
3031 static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm
*mvm
,
3032 struct ieee80211_channel
*channel
,
3033 struct ieee80211_vif
*vif
,
3036 int res
, time_reg
= DEVICE_SYSTEM_TIME_REG
;
3037 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3038 struct iwl_mvm_time_event_data
*te_data
= &mvmvif
->hs_time_event_data
;
3039 static const u16 time_event_response
[] = { HOT_SPOT_CMD
};
3040 struct iwl_notification_wait wait_time_event
;
3041 u32 dtim_interval
= vif
->bss_conf
.dtim_period
*
3042 vif
->bss_conf
.beacon_int
;
3044 struct iwl_hs20_roc_req aux_roc_req
= {
3045 .action
= cpu_to_le32(FW_CTXT_ACTION_ADD
),
3047 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX
, 0)),
3048 .sta_id_and_color
= cpu_to_le32(mvm
->aux_sta
.sta_id
),
3049 /* Set the channel info data */
3050 .channel_info
.band
= (channel
->band
== NL80211_BAND_2GHZ
) ?
3051 PHY_BAND_24
: PHY_BAND_5
,
3052 .channel_info
.channel
= channel
->hw_value
,
3053 .channel_info
.width
= PHY_VHT_CHANNEL_MODE20
,
3054 /* Set the time and duration */
3055 .apply_time
= cpu_to_le32(iwl_read_prph(mvm
->trans
, time_reg
)),
3058 delay
= AUX_ROC_MIN_DELAY
;
3059 req_dur
= MSEC_TO_TU(duration
);
3062 * If we are associated we want the delay time to be at least one
3063 * dtim interval so that the FW can wait until after the DTIM and
3064 * then start the time event, this will potentially allow us to
3065 * remain off-channel for the max duration.
3066 * Since we want to use almost a whole dtim interval we would also
3067 * like the delay to be for 2-3 dtim intervals, in case there are
3068 * other time events with higher priority.
3070 if (vif
->bss_conf
.assoc
) {
3071 delay
= min_t(u32
, dtim_interval
* 3, AUX_ROC_MAX_DELAY
);
3072 /* We cannot remain off-channel longer than the DTIM interval */
3073 if (dtim_interval
<= req_dur
) {
3074 req_dur
= dtim_interval
- AUX_ROC_SAFETY_BUFFER
;
3075 if (req_dur
<= AUX_ROC_MIN_DURATION
)
3076 req_dur
= dtim_interval
-
3077 AUX_ROC_MIN_SAFETY_BUFFER
;
3081 aux_roc_req
.duration
= cpu_to_le32(req_dur
);
3082 aux_roc_req
.apply_time_max_delay
= cpu_to_le32(delay
);
3085 "ROC: Requesting to remain on channel %u for %ums (requested = %ums, max_delay = %ums, dtim_interval = %ums)\n",
3086 channel
->hw_value
, req_dur
, duration
, delay
,
3088 /* Set the node address */
3089 memcpy(aux_roc_req
.node_addr
, vif
->addr
, ETH_ALEN
);
3091 lockdep_assert_held(&mvm
->mutex
);
3093 spin_lock_bh(&mvm
->time_event_lock
);
3095 if (WARN_ON(te_data
->id
== HOT_SPOT_CMD
)) {
3096 spin_unlock_bh(&mvm
->time_event_lock
);
3101 te_data
->duration
= duration
;
3102 te_data
->id
= HOT_SPOT_CMD
;
3104 spin_unlock_bh(&mvm
->time_event_lock
);
3107 * Use a notification wait, which really just processes the
3108 * command response and doesn't wait for anything, in order
3109 * to be able to process the response and get the UID inside
3110 * the RX path. Using CMD_WANT_SKB doesn't work because it
3111 * stores the buffer and then wakes up this thread, by which
3112 * time another notification (that the time event started)
3113 * might already be processed unsuccessfully.
3115 iwl_init_notification_wait(&mvm
->notif_wait
, &wait_time_event
,
3116 time_event_response
,
3117 ARRAY_SIZE(time_event_response
),
3118 iwl_mvm_rx_aux_roc
, te_data
);
3120 res
= iwl_mvm_send_cmd_pdu(mvm
, HOT_SPOT_CMD
, 0, sizeof(aux_roc_req
),
3124 IWL_ERR(mvm
, "Couldn't send HOT_SPOT_CMD: %d\n", res
);
3125 iwl_remove_notification(&mvm
->notif_wait
, &wait_time_event
);
3129 /* No need to wait for anything, so just pass 1 (0 isn't valid) */
3130 res
= iwl_wait_notification(&mvm
->notif_wait
, &wait_time_event
, 1);
3131 /* should never fail */
3136 spin_lock_bh(&mvm
->time_event_lock
);
3137 iwl_mvm_te_clear_data(mvm
, te_data
);
3138 spin_unlock_bh(&mvm
->time_event_lock
);
3144 static int iwl_mvm_roc(struct ieee80211_hw
*hw
,
3145 struct ieee80211_vif
*vif
,
3146 struct ieee80211_channel
*channel
,
3148 enum ieee80211_roc_type type
)
3150 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3151 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3152 struct cfg80211_chan_def chandef
;
3153 struct iwl_mvm_phy_ctxt
*phy_ctxt
;
3156 IWL_DEBUG_MAC80211(mvm
, "enter (%d, %d, %d)\n", channel
->hw_value
,
3159 flush_work(&mvm
->roc_done_wk
);
3161 mutex_lock(&mvm
->mutex
);
3163 switch (vif
->type
) {
3164 case NL80211_IFTYPE_STATION
:
3165 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
3166 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT
)) {
3167 /* Use aux roc framework (HS20) */
3168 ret
= iwl_mvm_send_aux_roc_cmd(mvm
, channel
,
3172 IWL_ERR(mvm
, "hotspot not supported\n");
3175 case NL80211_IFTYPE_P2P_DEVICE
:
3179 IWL_ERR(mvm
, "vif isn't P2P_DEVICE: %d\n", vif
->type
);
3184 for (i
= 0; i
< NUM_PHY_CTX
; i
++) {
3185 phy_ctxt
= &mvm
->phy_ctxts
[i
];
3186 if (phy_ctxt
->ref
== 0 || mvmvif
->phy_ctxt
== phy_ctxt
)
3189 if (phy_ctxt
->ref
&& channel
== phy_ctxt
->channel
) {
3191 * Unbind the P2P_DEVICE from the current PHY context,
3192 * and if the PHY context is not used remove it.
3194 ret
= iwl_mvm_binding_remove_vif(mvm
, vif
);
3195 if (WARN(ret
, "Failed unbinding P2P_DEVICE\n"))
3198 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
3200 /* Bind the P2P_DEVICE to the current PHY Context */
3201 mvmvif
->phy_ctxt
= phy_ctxt
;
3203 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
3204 if (WARN(ret
, "Failed binding P2P_DEVICE\n"))
3207 iwl_mvm_phy_ctxt_ref(mvm
, mvmvif
->phy_ctxt
);
3208 goto schedule_time_event
;
3212 /* Need to update the PHY context only if the ROC channel changed */
3213 if (channel
== mvmvif
->phy_ctxt
->channel
)
3214 goto schedule_time_event
;
3216 cfg80211_chandef_create(&chandef
, channel
, NL80211_CHAN_NO_HT
);
3219 * Change the PHY context configuration as it is currently referenced
3220 * only by the P2P Device MAC
3222 if (mvmvif
->phy_ctxt
->ref
== 1) {
3223 ret
= iwl_mvm_phy_ctxt_changed(mvm
, mvmvif
->phy_ctxt
,
3229 * The PHY context is shared with other MACs. Need to remove the
3230 * P2P Device from the binding, allocate an new PHY context and
3231 * create a new binding
3233 phy_ctxt
= iwl_mvm_get_free_phy_ctxt(mvm
);
3239 ret
= iwl_mvm_phy_ctxt_changed(mvm
, phy_ctxt
, &chandef
,
3242 IWL_ERR(mvm
, "Failed to change PHY context\n");
3246 /* Unbind the P2P_DEVICE from the current PHY context */
3247 ret
= iwl_mvm_binding_remove_vif(mvm
, vif
);
3248 if (WARN(ret
, "Failed unbinding P2P_DEVICE\n"))
3251 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
3253 /* Bind the P2P_DEVICE to the new allocated PHY context */
3254 mvmvif
->phy_ctxt
= phy_ctxt
;
3256 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
3257 if (WARN(ret
, "Failed binding P2P_DEVICE\n"))
3260 iwl_mvm_phy_ctxt_ref(mvm
, mvmvif
->phy_ctxt
);
3263 schedule_time_event
:
3264 /* Schedule the time events */
3265 ret
= iwl_mvm_start_p2p_roc(mvm
, vif
, duration
, type
);
3268 mutex_unlock(&mvm
->mutex
);
3269 IWL_DEBUG_MAC80211(mvm
, "leave\n");
3273 static int iwl_mvm_cancel_roc(struct ieee80211_hw
*hw
)
3275 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3277 IWL_DEBUG_MAC80211(mvm
, "enter\n");
3279 mutex_lock(&mvm
->mutex
);
3280 iwl_mvm_stop_roc(mvm
);
3281 mutex_unlock(&mvm
->mutex
);
3283 IWL_DEBUG_MAC80211(mvm
, "leave\n");
3287 static int __iwl_mvm_add_chanctx(struct iwl_mvm
*mvm
,
3288 struct ieee80211_chanctx_conf
*ctx
)
3290 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
3291 struct iwl_mvm_phy_ctxt
*phy_ctxt
;
3294 lockdep_assert_held(&mvm
->mutex
);
3296 IWL_DEBUG_MAC80211(mvm
, "Add channel context\n");
3298 phy_ctxt
= iwl_mvm_get_free_phy_ctxt(mvm
);
3304 ret
= iwl_mvm_phy_ctxt_changed(mvm
, phy_ctxt
, &ctx
->min_def
,
3305 ctx
->rx_chains_static
,
3306 ctx
->rx_chains_dynamic
);
3308 IWL_ERR(mvm
, "Failed to add PHY context\n");
3312 iwl_mvm_phy_ctxt_ref(mvm
, phy_ctxt
);
3313 *phy_ctxt_id
= phy_ctxt
->id
;
3318 static int iwl_mvm_add_chanctx(struct ieee80211_hw
*hw
,
3319 struct ieee80211_chanctx_conf
*ctx
)
3321 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3324 mutex_lock(&mvm
->mutex
);
3325 ret
= __iwl_mvm_add_chanctx(mvm
, ctx
);
3326 mutex_unlock(&mvm
->mutex
);
3331 static void __iwl_mvm_remove_chanctx(struct iwl_mvm
*mvm
,
3332 struct ieee80211_chanctx_conf
*ctx
)
3334 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
3335 struct iwl_mvm_phy_ctxt
*phy_ctxt
= &mvm
->phy_ctxts
[*phy_ctxt_id
];
3337 lockdep_assert_held(&mvm
->mutex
);
3339 iwl_mvm_phy_ctxt_unref(mvm
, phy_ctxt
);
3342 static void iwl_mvm_remove_chanctx(struct ieee80211_hw
*hw
,
3343 struct ieee80211_chanctx_conf
*ctx
)
3345 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3347 mutex_lock(&mvm
->mutex
);
3348 __iwl_mvm_remove_chanctx(mvm
, ctx
);
3349 mutex_unlock(&mvm
->mutex
);
3352 static void iwl_mvm_change_chanctx(struct ieee80211_hw
*hw
,
3353 struct ieee80211_chanctx_conf
*ctx
,
3356 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3357 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
3358 struct iwl_mvm_phy_ctxt
*phy_ctxt
= &mvm
->phy_ctxts
[*phy_ctxt_id
];
3360 if (WARN_ONCE((phy_ctxt
->ref
> 1) &&
3361 (changed
& ~(IEEE80211_CHANCTX_CHANGE_WIDTH
|
3362 IEEE80211_CHANCTX_CHANGE_RX_CHAINS
|
3363 IEEE80211_CHANCTX_CHANGE_RADAR
|
3364 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH
)),
3365 "Cannot change PHY. Ref=%d, changed=0x%X\n",
3366 phy_ctxt
->ref
, changed
))
3369 mutex_lock(&mvm
->mutex
);
3370 iwl_mvm_bt_coex_vif_change(mvm
);
3371 iwl_mvm_phy_ctxt_changed(mvm
, phy_ctxt
, &ctx
->min_def
,
3372 ctx
->rx_chains_static
,
3373 ctx
->rx_chains_dynamic
);
3374 mutex_unlock(&mvm
->mutex
);
3377 static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm
*mvm
,
3378 struct ieee80211_vif
*vif
,
3379 struct ieee80211_chanctx_conf
*ctx
,
3380 bool switching_chanctx
)
3382 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
3383 struct iwl_mvm_phy_ctxt
*phy_ctxt
= &mvm
->phy_ctxts
[*phy_ctxt_id
];
3384 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3387 lockdep_assert_held(&mvm
->mutex
);
3389 mvmvif
->phy_ctxt
= phy_ctxt
;
3391 switch (vif
->type
) {
3392 case NL80211_IFTYPE_AP
:
3393 /* only needed if we're switching chanctx (i.e. during CSA) */
3394 if (switching_chanctx
) {
3395 mvmvif
->ap_ibss_active
= true;
3398 case NL80211_IFTYPE_ADHOC
:
3400 * The AP binding flow is handled as part of the start_ap flow
3401 * (in bss_info_changed), similarly for IBSS.
3405 case NL80211_IFTYPE_STATION
:
3407 case NL80211_IFTYPE_MONITOR
:
3408 /* always disable PS when a monitor interface is active */
3409 mvmvif
->ps_disabled
= true;
3416 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
3421 * Power state must be updated before quotas,
3422 * otherwise fw will complain.
3424 iwl_mvm_power_update_mac(mvm
);
3426 /* Setting the quota at this stage is only required for monitor
3427 * interfaces. For the other types, the bss_info changed flow
3428 * will handle quota settings.
3430 if (vif
->type
== NL80211_IFTYPE_MONITOR
) {
3431 mvmvif
->monitor_active
= true;
3432 ret
= iwl_mvm_update_quotas(mvm
, false, NULL
);
3434 goto out_remove_binding
;
3436 ret
= iwl_mvm_add_snif_sta(mvm
, vif
);
3438 goto out_remove_binding
;
3442 /* Handle binding during CSA */
3443 if (vif
->type
== NL80211_IFTYPE_AP
) {
3444 iwl_mvm_update_quotas(mvm
, false, NULL
);
3445 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
3448 if (switching_chanctx
&& vif
->type
== NL80211_IFTYPE_STATION
) {
3449 u32 duration
= 2 * vif
->bss_conf
.beacon_int
;
3451 /* iwl_mvm_protect_session() reads directly from the
3452 * device (the system time), so make sure it is
3455 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_PROTECT_CSA
);
3457 goto out_remove_binding
;
3459 /* Protect the session to make sure we hear the first
3460 * beacon on the new channel.
3462 iwl_mvm_protect_session(mvm
, vif
, duration
, duration
,
3463 vif
->bss_conf
.beacon_int
/ 2,
3466 iwl_mvm_unref(mvm
, IWL_MVM_REF_PROTECT_CSA
);
3468 iwl_mvm_update_quotas(mvm
, false, NULL
);
3474 iwl_mvm_binding_remove_vif(mvm
, vif
);
3475 iwl_mvm_power_update_mac(mvm
);
3478 mvmvif
->phy_ctxt
= NULL
;
3481 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw
*hw
,
3482 struct ieee80211_vif
*vif
,
3483 struct ieee80211_chanctx_conf
*ctx
)
3485 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3488 mutex_lock(&mvm
->mutex
);
3489 ret
= __iwl_mvm_assign_vif_chanctx(mvm
, vif
, ctx
, false);
3490 mutex_unlock(&mvm
->mutex
);
3495 static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm
*mvm
,
3496 struct ieee80211_vif
*vif
,
3497 struct ieee80211_chanctx_conf
*ctx
,
3498 bool switching_chanctx
)
3500 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3501 struct ieee80211_vif
*disabled_vif
= NULL
;
3503 lockdep_assert_held(&mvm
->mutex
);
3505 iwl_mvm_remove_time_event(mvm
, mvmvif
, &mvmvif
->time_event_data
);
3507 switch (vif
->type
) {
3508 case NL80211_IFTYPE_ADHOC
:
3510 case NL80211_IFTYPE_MONITOR
:
3511 mvmvif
->monitor_active
= false;
3512 mvmvif
->ps_disabled
= false;
3513 iwl_mvm_rm_snif_sta(mvm
, vif
);
3515 case NL80211_IFTYPE_AP
:
3516 /* This part is triggered only during CSA */
3517 if (!switching_chanctx
|| !mvmvif
->ap_ibss_active
)
3520 mvmvif
->csa_countdown
= false;
3522 /* Set CS bit on all the stations */
3523 iwl_mvm_modify_all_sta_disable_tx(mvm
, mvmvif
, true);
3525 /* Save blocked iface, the timeout is set on the next beacon */
3526 rcu_assign_pointer(mvm
->csa_tx_blocked_vif
, vif
);
3528 mvmvif
->ap_ibss_active
= false;
3530 case NL80211_IFTYPE_STATION
:
3531 if (!switching_chanctx
)
3536 iwl_mvm_mac_ctxt_changed(mvm
, vif
, true, NULL
);
3542 iwl_mvm_update_quotas(mvm
, false, disabled_vif
);
3543 iwl_mvm_binding_remove_vif(mvm
, vif
);
3546 mvmvif
->phy_ctxt
= NULL
;
3547 iwl_mvm_power_update_mac(mvm
);
3550 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw
*hw
,
3551 struct ieee80211_vif
*vif
,
3552 struct ieee80211_chanctx_conf
*ctx
)
3554 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3556 mutex_lock(&mvm
->mutex
);
3557 __iwl_mvm_unassign_vif_chanctx(mvm
, vif
, ctx
, false);
3558 mutex_unlock(&mvm
->mutex
);
3562 iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm
*mvm
,
3563 struct ieee80211_vif_chanctx_switch
*vifs
)
3567 mutex_lock(&mvm
->mutex
);
3568 __iwl_mvm_unassign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].old_ctx
, true);
3569 __iwl_mvm_remove_chanctx(mvm
, vifs
[0].old_ctx
);
3571 ret
= __iwl_mvm_add_chanctx(mvm
, vifs
[0].new_ctx
);
3573 IWL_ERR(mvm
, "failed to add new_ctx during channel switch\n");
3577 ret
= __iwl_mvm_assign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].new_ctx
,
3581 "failed to assign new_ctx during channel switch\n");
3585 /* we don't support TDLS during DCM - can be caused by channel switch */
3586 if (iwl_mvm_phy_ctx_count(mvm
) > 1)
3587 iwl_mvm_teardown_tdls_peers(mvm
);
3592 __iwl_mvm_remove_chanctx(mvm
, vifs
[0].new_ctx
);
3595 if (__iwl_mvm_add_chanctx(mvm
, vifs
[0].old_ctx
)) {
3596 IWL_ERR(mvm
, "failed to add old_ctx back after failure.\n");
3600 if (__iwl_mvm_assign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].old_ctx
,
3602 IWL_ERR(mvm
, "failed to reassign old_ctx after failure.\n");
3609 /* things keep failing, better restart the hw */
3610 iwl_mvm_nic_restart(mvm
, false);
3613 mutex_unlock(&mvm
->mutex
);
3619 iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm
*mvm
,
3620 struct ieee80211_vif_chanctx_switch
*vifs
)
3624 mutex_lock(&mvm
->mutex
);
3625 __iwl_mvm_unassign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].old_ctx
, true);
3627 ret
= __iwl_mvm_assign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].new_ctx
,
3631 "failed to assign new_ctx during channel switch\n");
3638 if (__iwl_mvm_assign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].old_ctx
,
3640 IWL_ERR(mvm
, "failed to reassign old_ctx after failure.\n");
3647 /* things keep failing, better restart the hw */
3648 iwl_mvm_nic_restart(mvm
, false);
3651 mutex_unlock(&mvm
->mutex
);
3656 static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw
*hw
,
3657 struct ieee80211_vif_chanctx_switch
*vifs
,
3659 enum ieee80211_chanctx_switch_mode mode
)
3661 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3664 /* we only support a single-vif right now */
3669 case CHANCTX_SWMODE_SWAP_CONTEXTS
:
3670 ret
= iwl_mvm_switch_vif_chanctx_swap(mvm
, vifs
);
3672 case CHANCTX_SWMODE_REASSIGN_VIF
:
3673 ret
= iwl_mvm_switch_vif_chanctx_reassign(mvm
, vifs
);
3683 static int iwl_mvm_set_tim(struct ieee80211_hw
*hw
,
3684 struct ieee80211_sta
*sta
,
3687 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3688 struct iwl_mvm_sta
*mvm_sta
= iwl_mvm_sta_from_mac80211(sta
);
3690 if (!mvm_sta
|| !mvm_sta
->vif
) {
3691 IWL_ERR(mvm
, "Station is not associated to a vif\n");
3695 return iwl_mvm_mac_ctxt_beacon_changed(mvm
, mvm_sta
->vif
);
3698 #ifdef CONFIG_NL80211_TESTMODE
3699 static const struct nla_policy iwl_mvm_tm_policy
[IWL_MVM_TM_ATTR_MAX
+ 1] = {
3700 [IWL_MVM_TM_ATTR_CMD
] = { .type
= NLA_U32
},
3701 [IWL_MVM_TM_ATTR_NOA_DURATION
] = { .type
= NLA_U32
},
3702 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE
] = { .type
= NLA_U32
},
3705 static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm
*mvm
,
3706 struct ieee80211_vif
*vif
,
3707 void *data
, int len
)
3709 struct nlattr
*tb
[IWL_MVM_TM_ATTR_MAX
+ 1];
3713 err
= nla_parse(tb
, IWL_MVM_TM_ATTR_MAX
, data
, len
, iwl_mvm_tm_policy
);
3717 if (!tb
[IWL_MVM_TM_ATTR_CMD
])
3720 switch (nla_get_u32(tb
[IWL_MVM_TM_ATTR_CMD
])) {
3721 case IWL_MVM_TM_CMD_SET_NOA
:
3722 if (!vif
|| vif
->type
!= NL80211_IFTYPE_AP
|| !vif
->p2p
||
3723 !vif
->bss_conf
.enable_beacon
||
3724 !tb
[IWL_MVM_TM_ATTR_NOA_DURATION
])
3727 noa_duration
= nla_get_u32(tb
[IWL_MVM_TM_ATTR_NOA_DURATION
]);
3728 if (noa_duration
>= vif
->bss_conf
.beacon_int
)
3731 mvm
->noa_duration
= noa_duration
;
3734 return iwl_mvm_update_quotas(mvm
, false, NULL
);
3735 case IWL_MVM_TM_CMD_SET_BEACON_FILTER
:
3736 /* must be associated client vif - ignore authorized */
3737 if (!vif
|| vif
->type
!= NL80211_IFTYPE_STATION
||
3738 !vif
->bss_conf
.assoc
|| !vif
->bss_conf
.dtim_period
||
3739 !tb
[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE
])
3742 if (nla_get_u32(tb
[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE
]))
3743 return iwl_mvm_enable_beacon_filter(mvm
, vif
, 0);
3744 return iwl_mvm_disable_beacon_filter(mvm
, vif
, 0);
3750 static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw
*hw
,
3751 struct ieee80211_vif
*vif
,
3752 void *data
, int len
)
3754 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3757 mutex_lock(&mvm
->mutex
);
3758 err
= __iwl_mvm_mac_testmode_cmd(mvm
, vif
, data
, len
);
3759 mutex_unlock(&mvm
->mutex
);
3765 static void iwl_mvm_channel_switch(struct ieee80211_hw
*hw
,
3766 struct ieee80211_vif
*vif
,
3767 struct ieee80211_channel_switch
*chsw
)
3769 /* By implementing this operation, we prevent mac80211 from
3770 * starting its own channel switch timer, so that we can call
3771 * ieee80211_chswitch_done() ourselves at the right time
3772 * (which is when the absence time event starts).
3775 IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw
),
3776 "dummy channel switch op\n");
3779 static int iwl_mvm_pre_channel_switch(struct ieee80211_hw
*hw
,
3780 struct ieee80211_vif
*vif
,
3781 struct ieee80211_channel_switch
*chsw
)
3783 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3784 struct ieee80211_vif
*csa_vif
;
3785 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3789 mutex_lock(&mvm
->mutex
);
3791 mvmvif
->csa_failed
= false;
3793 IWL_DEBUG_MAC80211(mvm
, "pre CSA to freq %d\n",
3794 chsw
->chandef
.center_freq1
);
3796 iwl_fw_dbg_trigger_simple_stop(mvm
, vif
, FW_DBG_TRIGGER_CHANNEL_SWITCH
);
3798 switch (vif
->type
) {
3799 case NL80211_IFTYPE_AP
:
3801 rcu_dereference_protected(mvm
->csa_vif
,
3802 lockdep_is_held(&mvm
->mutex
));
3803 if (WARN_ONCE(csa_vif
&& csa_vif
->csa_active
,
3804 "Another CSA is already in progress")) {
3809 /* we still didn't unblock tx. prevent new CS meanwhile */
3810 if (rcu_dereference_protected(mvm
->csa_tx_blocked_vif
,
3811 lockdep_is_held(&mvm
->mutex
))) {
3816 rcu_assign_pointer(mvm
->csa_vif
, vif
);
3818 if (WARN_ONCE(mvmvif
->csa_countdown
,
3819 "Previous CSA countdown didn't complete")) {
3824 mvmvif
->csa_target_freq
= chsw
->chandef
.chan
->center_freq
;
3827 case NL80211_IFTYPE_STATION
:
3828 if (mvmvif
->lqm_active
)
3829 iwl_mvm_send_lqm_cmd(vif
,
3830 LQM_CMD_OPERATION_STOP_MEASUREMENT
,
3833 /* Schedule the time event to a bit before beacon 1,
3834 * to make sure we're in the new channel when the
3837 apply_time
= chsw
->device_timestamp
+
3838 ((vif
->bss_conf
.beacon_int
* (chsw
->count
- 1) -
3839 IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT
) * 1024);
3842 iwl_mvm_csa_client_absent(mvm
, vif
);
3844 iwl_mvm_schedule_csa_period(mvm
, vif
, vif
->bss_conf
.beacon_int
,
3846 if (mvmvif
->bf_data
.bf_enabled
) {
3847 ret
= iwl_mvm_disable_beacon_filter(mvm
, vif
, 0);
3857 mvmvif
->ps_disabled
= true;
3859 ret
= iwl_mvm_power_update_ps(mvm
);
3863 /* we won't be on this channel any longer */
3864 iwl_mvm_teardown_tdls_peers(mvm
);
3867 mutex_unlock(&mvm
->mutex
);
3872 static int iwl_mvm_post_channel_switch(struct ieee80211_hw
*hw
,
3873 struct ieee80211_vif
*vif
)
3875 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3876 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3879 mutex_lock(&mvm
->mutex
);
3881 if (mvmvif
->csa_failed
) {
3882 mvmvif
->csa_failed
= false;
3887 if (vif
->type
== NL80211_IFTYPE_STATION
) {
3888 struct iwl_mvm_sta
*mvmsta
;
3890 mvmsta
= iwl_mvm_sta_from_staid_protected(mvm
,
3893 if (WARN_ON(!mvmsta
)) {
3898 iwl_mvm_sta_modify_disable_tx(mvm
, mvmsta
, false);
3900 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
3902 ret
= iwl_mvm_enable_beacon_filter(mvm
, vif
, 0);
3906 iwl_mvm_stop_session_protection(mvm
, vif
);
3909 mvmvif
->ps_disabled
= false;
3911 ret
= iwl_mvm_power_update_ps(mvm
);
3914 mutex_unlock(&mvm
->mutex
);
3919 static void iwl_mvm_mac_flush(struct ieee80211_hw
*hw
,
3920 struct ieee80211_vif
*vif
, u32 queues
, bool drop
)
3922 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3923 struct iwl_mvm_vif
*mvmvif
;
3924 struct iwl_mvm_sta
*mvmsta
;
3925 struct ieee80211_sta
*sta
;
3929 if (!vif
|| vif
->type
!= NL80211_IFTYPE_STATION
)
3932 /* Make sure we're done with the deferred traffic before flushing */
3933 if (iwl_mvm_is_dqa_supported(mvm
))
3934 flush_work(&mvm
->add_stream_wk
);
3936 mutex_lock(&mvm
->mutex
);
3937 mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3939 /* flush the AP-station and all TDLS peers */
3940 for (i
= 0; i
< IWL_MVM_STATION_COUNT
; i
++) {
3941 sta
= rcu_dereference_protected(mvm
->fw_id_to_mac_id
[i
],
3942 lockdep_is_held(&mvm
->mutex
));
3943 if (IS_ERR_OR_NULL(sta
))
3946 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
3947 if (mvmsta
->vif
!= vif
)
3950 /* make sure only TDLS peers or the AP are flushed */
3951 WARN_ON(i
!= mvmvif
->ap_sta_id
&& !sta
->tdls
);
3953 msk
|= mvmsta
->tfd_queue_msk
;
3957 if (iwl_mvm_flush_tx_path(mvm
, msk
, 0))
3958 IWL_ERR(mvm
, "flush request fail\n");
3959 mutex_unlock(&mvm
->mutex
);
3961 mutex_unlock(&mvm
->mutex
);
3963 /* this can take a while, and we may need/want other operations
3964 * to succeed while doing this, so do it without the mutex held
3966 iwl_trans_wait_tx_queue_empty(mvm
->trans
, msk
);
3970 static int iwl_mvm_mac_get_survey(struct ieee80211_hw
*hw
, int idx
,
3971 struct survey_info
*survey
)
3973 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3976 memset(survey
, 0, sizeof(*survey
));
3978 /* only support global statistics right now */
3982 if (!fw_has_capa(&mvm
->fw
->ucode_capa
,
3983 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS
))
3986 mutex_lock(&mvm
->mutex
);
3988 if (mvm
->ucode_loaded
) {
3989 ret
= iwl_mvm_request_statistics(mvm
, false);
3994 survey
->filled
= SURVEY_INFO_TIME
|
3995 SURVEY_INFO_TIME_RX
|
3996 SURVEY_INFO_TIME_TX
|
3997 SURVEY_INFO_TIME_SCAN
;
3998 survey
->time
= mvm
->accu_radio_stats
.on_time_rf
+
3999 mvm
->radio_stats
.on_time_rf
;
4000 do_div(survey
->time
, USEC_PER_MSEC
);
4002 survey
->time_rx
= mvm
->accu_radio_stats
.rx_time
+
4003 mvm
->radio_stats
.rx_time
;
4004 do_div(survey
->time_rx
, USEC_PER_MSEC
);
4006 survey
->time_tx
= mvm
->accu_radio_stats
.tx_time
+
4007 mvm
->radio_stats
.tx_time
;
4008 do_div(survey
->time_tx
, USEC_PER_MSEC
);
4010 survey
->time_scan
= mvm
->accu_radio_stats
.on_time_scan
+
4011 mvm
->radio_stats
.on_time_scan
;
4012 do_div(survey
->time_scan
, USEC_PER_MSEC
);
4016 mutex_unlock(&mvm
->mutex
);
4020 static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw
*hw
,
4021 struct ieee80211_vif
*vif
,
4022 struct ieee80211_sta
*sta
,
4023 struct station_info
*sinfo
)
4025 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
4026 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
4027 struct iwl_mvm_sta
*mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
4029 if (mvmsta
->avg_energy
) {
4030 sinfo
->signal_avg
= mvmsta
->avg_energy
;
4031 sinfo
->filled
|= BIT(NL80211_STA_INFO_SIGNAL_AVG
);
4034 if (!fw_has_capa(&mvm
->fw
->ucode_capa
,
4035 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS
))
4038 /* if beacon filtering isn't on mac80211 does it anyway */
4039 if (!(vif
->driver_flags
& IEEE80211_VIF_BEACON_FILTER
))
4042 if (!vif
->bss_conf
.assoc
)
4045 mutex_lock(&mvm
->mutex
);
4047 if (mvmvif
->ap_sta_id
!= mvmsta
->sta_id
)
4050 if (iwl_mvm_request_statistics(mvm
, false))
4053 sinfo
->rx_beacon
= mvmvif
->beacon_stats
.num_beacons
+
4054 mvmvif
->beacon_stats
.accu_num_beacons
;
4055 sinfo
->filled
|= BIT(NL80211_STA_INFO_BEACON_RX
);
4056 if (mvmvif
->beacon_stats
.avg_signal
) {
4057 /* firmware only reports a value after RXing a few beacons */
4058 sinfo
->rx_beacon_signal_avg
= mvmvif
->beacon_stats
.avg_signal
;
4059 sinfo
->filled
|= BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG
);
4062 mutex_unlock(&mvm
->mutex
);
4065 static void iwl_mvm_event_mlme_callback(struct iwl_mvm
*mvm
,
4066 struct ieee80211_vif
*vif
,
4067 const struct ieee80211_event
*event
)
4069 #define CHECK_MLME_TRIGGER(_mvm, _trig, _buf, _cnt, _fmt...) \
4071 if ((_cnt) && --(_cnt)) \
4073 iwl_mvm_fw_dbg_collect_trig(_mvm, _trig, _fmt);\
4076 struct iwl_fw_dbg_trigger_tlv
*trig
;
4077 struct iwl_fw_dbg_trigger_mlme
*trig_mlme
;
4079 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_MLME
))
4082 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_MLME
);
4083 trig_mlme
= (void *)trig
->data
;
4084 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
4087 if (event
->u
.mlme
.data
== ASSOC_EVENT
) {
4088 if (event
->u
.mlme
.status
== MLME_DENIED
)
4089 CHECK_MLME_TRIGGER(mvm
, trig
, buf
,
4090 trig_mlme
->stop_assoc_denied
,
4091 "DENIED ASSOC: reason %d",
4092 event
->u
.mlme
.reason
);
4093 else if (event
->u
.mlme
.status
== MLME_TIMEOUT
)
4094 CHECK_MLME_TRIGGER(mvm
, trig
, buf
,
4095 trig_mlme
->stop_assoc_timeout
,
4097 } else if (event
->u
.mlme
.data
== AUTH_EVENT
) {
4098 if (event
->u
.mlme
.status
== MLME_DENIED
)
4099 CHECK_MLME_TRIGGER(mvm
, trig
, buf
,
4100 trig_mlme
->stop_auth_denied
,
4101 "DENIED AUTH: reason %d",
4102 event
->u
.mlme
.reason
);
4103 else if (event
->u
.mlme
.status
== MLME_TIMEOUT
)
4104 CHECK_MLME_TRIGGER(mvm
, trig
, buf
,
4105 trig_mlme
->stop_auth_timeout
,
4107 } else if (event
->u
.mlme
.data
== DEAUTH_RX_EVENT
) {
4108 CHECK_MLME_TRIGGER(mvm
, trig
, buf
,
4109 trig_mlme
->stop_rx_deauth
,
4110 "DEAUTH RX %d", event
->u
.mlme
.reason
);
4111 } else if (event
->u
.mlme
.data
== DEAUTH_TX_EVENT
) {
4112 CHECK_MLME_TRIGGER(mvm
, trig
, buf
,
4113 trig_mlme
->stop_tx_deauth
,
4114 "DEAUTH TX %d", event
->u
.mlme
.reason
);
4116 #undef CHECK_MLME_TRIGGER
4119 static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm
*mvm
,
4120 struct ieee80211_vif
*vif
,
4121 const struct ieee80211_event
*event
)
4123 struct iwl_fw_dbg_trigger_tlv
*trig
;
4124 struct iwl_fw_dbg_trigger_ba
*ba_trig
;
4126 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_BA
))
4129 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_BA
);
4130 ba_trig
= (void *)trig
->data
;
4131 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
4134 if (!(le16_to_cpu(ba_trig
->rx_bar
) & BIT(event
->u
.ba
.tid
)))
4137 iwl_mvm_fw_dbg_collect_trig(mvm
, trig
,
4138 "BAR received from %pM, tid %d, ssn %d",
4139 event
->u
.ba
.sta
->addr
, event
->u
.ba
.tid
,
4144 iwl_mvm_event_frame_timeout_callback(struct iwl_mvm
*mvm
,
4145 struct ieee80211_vif
*vif
,
4146 const struct ieee80211_event
*event
)
4148 struct iwl_fw_dbg_trigger_tlv
*trig
;
4149 struct iwl_fw_dbg_trigger_ba
*ba_trig
;
4151 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_BA
))
4154 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_BA
);
4155 ba_trig
= (void *)trig
->data
;
4156 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
4159 if (!(le16_to_cpu(ba_trig
->frame_timeout
) & BIT(event
->u
.ba
.tid
)))
4162 iwl_mvm_fw_dbg_collect_trig(mvm
, trig
,
4163 "Frame from %pM timed out, tid %d",
4164 event
->u
.ba
.sta
->addr
, event
->u
.ba
.tid
);
4167 static void iwl_mvm_mac_event_callback(struct ieee80211_hw
*hw
,
4168 struct ieee80211_vif
*vif
,
4169 const struct ieee80211_event
*event
)
4171 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
4173 switch (event
->type
) {
4175 iwl_mvm_event_mlme_callback(mvm
, vif
, event
);
4178 iwl_mvm_event_bar_rx_callback(mvm
, vif
, event
);
4180 case BA_FRAME_TIMEOUT
:
4181 iwl_mvm_event_frame_timeout_callback(mvm
, vif
, event
);
4188 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm
*mvm
,
4189 struct iwl_mvm_internal_rxq_notif
*notif
,
4192 u32 qmask
= BIT(mvm
->trans
->num_rx_queues
) - 1;
4195 lockdep_assert_held(&mvm
->mutex
);
4197 if (!iwl_mvm_has_new_rx_api(mvm
))
4200 notif
->cookie
= mvm
->queue_sync_cookie
;
4203 atomic_set(&mvm
->queue_sync_counter
,
4204 mvm
->trans
->num_rx_queues
);
4206 ret
= iwl_mvm_notify_rx_queue(mvm
, qmask
, (u8
*)notif
, size
);
4208 IWL_ERR(mvm
, "Failed to trigger RX queues sync (%d)\n", ret
);
4213 ret
= wait_event_timeout(mvm
->rx_sync_waitq
,
4214 atomic_read(&mvm
->queue_sync_counter
) == 0,
4219 atomic_set(&mvm
->queue_sync_counter
, 0);
4220 mvm
->queue_sync_cookie
++;
4223 static void iwl_mvm_sync_rx_queues(struct ieee80211_hw
*hw
)
4225 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
4226 struct iwl_mvm_internal_rxq_notif data
= {
4227 .type
= IWL_MVM_RXQ_EMPTY
,
4231 mutex_lock(&mvm
->mutex
);
4232 iwl_mvm_sync_rx_queues_internal(mvm
, &data
, sizeof(data
));
4233 mutex_unlock(&mvm
->mutex
);
4236 const struct ieee80211_ops iwl_mvm_hw_ops
= {
4237 .tx
= iwl_mvm_mac_tx
,
4238 .ampdu_action
= iwl_mvm_mac_ampdu_action
,
4239 .start
= iwl_mvm_mac_start
,
4240 .reconfig_complete
= iwl_mvm_mac_reconfig_complete
,
4241 .stop
= iwl_mvm_mac_stop
,
4242 .add_interface
= iwl_mvm_mac_add_interface
,
4243 .remove_interface
= iwl_mvm_mac_remove_interface
,
4244 .config
= iwl_mvm_mac_config
,
4245 .prepare_multicast
= iwl_mvm_prepare_multicast
,
4246 .configure_filter
= iwl_mvm_configure_filter
,
4247 .config_iface_filter
= iwl_mvm_config_iface_filter
,
4248 .bss_info_changed
= iwl_mvm_bss_info_changed
,
4249 .hw_scan
= iwl_mvm_mac_hw_scan
,
4250 .cancel_hw_scan
= iwl_mvm_mac_cancel_hw_scan
,
4251 .sta_pre_rcu_remove
= iwl_mvm_sta_pre_rcu_remove
,
4252 .sta_state
= iwl_mvm_mac_sta_state
,
4253 .sta_notify
= iwl_mvm_mac_sta_notify
,
4254 .allow_buffered_frames
= iwl_mvm_mac_allow_buffered_frames
,
4255 .release_buffered_frames
= iwl_mvm_mac_release_buffered_frames
,
4256 .set_rts_threshold
= iwl_mvm_mac_set_rts_threshold
,
4257 .sta_rc_update
= iwl_mvm_sta_rc_update
,
4258 .conf_tx
= iwl_mvm_mac_conf_tx
,
4259 .mgd_prepare_tx
= iwl_mvm_mac_mgd_prepare_tx
,
4260 .mgd_protect_tdls_discover
= iwl_mvm_mac_mgd_protect_tdls_discover
,
4261 .flush
= iwl_mvm_mac_flush
,
4262 .sched_scan_start
= iwl_mvm_mac_sched_scan_start
,
4263 .sched_scan_stop
= iwl_mvm_mac_sched_scan_stop
,
4264 .set_key
= iwl_mvm_mac_set_key
,
4265 .update_tkip_key
= iwl_mvm_mac_update_tkip_key
,
4266 .remain_on_channel
= iwl_mvm_roc
,
4267 .cancel_remain_on_channel
= iwl_mvm_cancel_roc
,
4268 .add_chanctx
= iwl_mvm_add_chanctx
,
4269 .remove_chanctx
= iwl_mvm_remove_chanctx
,
4270 .change_chanctx
= iwl_mvm_change_chanctx
,
4271 .assign_vif_chanctx
= iwl_mvm_assign_vif_chanctx
,
4272 .unassign_vif_chanctx
= iwl_mvm_unassign_vif_chanctx
,
4273 .switch_vif_chanctx
= iwl_mvm_switch_vif_chanctx
,
4275 .start_ap
= iwl_mvm_start_ap_ibss
,
4276 .stop_ap
= iwl_mvm_stop_ap_ibss
,
4277 .join_ibss
= iwl_mvm_start_ap_ibss
,
4278 .leave_ibss
= iwl_mvm_stop_ap_ibss
,
4280 .set_tim
= iwl_mvm_set_tim
,
4282 .channel_switch
= iwl_mvm_channel_switch
,
4283 .pre_channel_switch
= iwl_mvm_pre_channel_switch
,
4284 .post_channel_switch
= iwl_mvm_post_channel_switch
,
4286 .tdls_channel_switch
= iwl_mvm_tdls_channel_switch
,
4287 .tdls_cancel_channel_switch
= iwl_mvm_tdls_cancel_channel_switch
,
4288 .tdls_recv_channel_switch
= iwl_mvm_tdls_recv_channel_switch
,
4290 .event_callback
= iwl_mvm_mac_event_callback
,
4292 .sync_rx_queues
= iwl_mvm_sync_rx_queues
,
4294 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd
)
4296 #ifdef CONFIG_PM_SLEEP
4298 .suspend
= iwl_mvm_suspend
,
4299 .resume
= iwl_mvm_resume
,
4300 .set_wakeup
= iwl_mvm_set_wakeup
,
4301 .set_rekey_data
= iwl_mvm_set_rekey_data
,
4302 #if IS_ENABLED(CONFIG_IPV6)
4303 .ipv6_addr_change
= iwl_mvm_ipv6_addr_change
,
4305 .set_default_unicast_key
= iwl_mvm_set_default_unicast_key
,
4307 .get_survey
= iwl_mvm_mac_get_survey
,
4308 .sta_statistics
= iwl_mvm_mac_sta_statistics
,