1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
10 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of version 2 of the GNU General Public License as
14 * published by the Free Software Foundation.
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
26 * The full GNU General Public License is included in this distribution
27 * in the file called COPYING.
29 * Contact Information:
30 * Intel Linux Wireless <linuxwifi@intel.com>
31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
35 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
36 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
37 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
38 * All rights reserved.
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
44 * * Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * * Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in
48 * the documentation and/or other materials provided with the
50 * * Neither the name Intel Corporation nor the names of its
51 * contributors may be used to endorse or promote products derived
52 * from this software without specific prior written permission.
54 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
55 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
56 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
57 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
58 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
59 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
60 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
64 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
66 *****************************************************************************/
67 #include <linux/kernel.h>
68 #include <linux/slab.h>
69 #include <linux/skbuff.h>
70 #include <linux/netdevice.h>
71 #include <linux/etherdevice.h>
73 #include <linux/if_arp.h>
74 #include <linux/time.h>
75 #include <net/mac80211.h>
76 #include <net/ieee80211_radiotap.h>
79 #include "iwl-op-mode.h"
83 #include "time-event.h"
84 #include "iwl-eeprom-parse.h"
85 #include "iwl-phy-db.h"
87 #include "fw/error-dump.h"
89 #include "iwl-nvm-parse.h"
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
);
449 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
450 IWL_UCODE_TLV_CAPA_STA_PM_NOTIF
)) {
451 ieee80211_hw_set(hw
, AP_LINK_PS
);
452 } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm
))) {
454 * we absolutely need this for the new TX API since that comes
455 * with many more queues than the current code can deal with
456 * for station powersave
461 if (mvm
->trans
->num_rx_queues
> 1)
462 ieee80211_hw_set(hw
, USES_RSS
);
464 if (mvm
->trans
->max_skb_frags
)
465 hw
->netdev_features
= NETIF_F_HIGHDMA
| NETIF_F_SG
;
467 hw
->queues
= IEEE80211_MAX_QUEUES
;
468 hw
->offchannel_tx_hw_queue
= IWL_MVM_OFFCHANNEL_QUEUE
;
469 hw
->radiotap_mcs_details
|= IEEE80211_RADIOTAP_MCS_HAVE_FEC
|
470 IEEE80211_RADIOTAP_MCS_HAVE_STBC
;
471 hw
->radiotap_vht_details
|= IEEE80211_RADIOTAP_VHT_KNOWN_STBC
|
472 IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED
;
474 hw
->radiotap_timestamp
.units_pos
=
475 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US
|
476 IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ
;
477 /* this is the case for CCK frames, it's better (only 8) for OFDM */
478 hw
->radiotap_timestamp
.accuracy
= 22;
480 hw
->rate_control_algorithm
= "iwl-mvm-rs";
481 hw
->uapsd_queues
= IWL_MVM_UAPSD_QUEUES
;
482 hw
->uapsd_max_sp_len
= IWL_UAPSD_MAX_SP
;
484 BUILD_BUG_ON(ARRAY_SIZE(mvm
->ciphers
) < ARRAY_SIZE(mvm_ciphers
) + 6);
485 memcpy(mvm
->ciphers
, mvm_ciphers
, sizeof(mvm_ciphers
));
486 hw
->wiphy
->n_cipher_suites
= ARRAY_SIZE(mvm_ciphers
);
487 hw
->wiphy
->cipher_suites
= mvm
->ciphers
;
489 if (iwl_mvm_has_new_rx_api(mvm
)) {
490 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] =
491 WLAN_CIPHER_SUITE_GCMP
;
492 hw
->wiphy
->n_cipher_suites
++;
493 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] =
494 WLAN_CIPHER_SUITE_GCMP_256
;
495 hw
->wiphy
->n_cipher_suites
++;
498 /* Enable 11w if software crypto is not enabled (as the
499 * firmware will interpret some mgmt packets, so enabling it
500 * with software crypto isn't safe).
502 if (!iwlwifi_mod_params
.swcrypto
) {
503 ieee80211_hw_set(hw
, MFP_CAPABLE
);
504 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] =
505 WLAN_CIPHER_SUITE_AES_CMAC
;
506 hw
->wiphy
->n_cipher_suites
++;
507 if (iwl_mvm_has_new_rx_api(mvm
)) {
508 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] =
509 WLAN_CIPHER_SUITE_BIP_GMAC_128
;
510 hw
->wiphy
->n_cipher_suites
++;
511 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] =
512 WLAN_CIPHER_SUITE_BIP_GMAC_256
;
513 hw
->wiphy
->n_cipher_suites
++;
517 /* currently FW API supports only one optional cipher scheme */
518 if (mvm
->fw
->cs
[0].cipher
) {
519 const struct iwl_fw_cipher_scheme
*fwcs
= &mvm
->fw
->cs
[0];
520 struct ieee80211_cipher_scheme
*cs
= &mvm
->cs
[0];
522 mvm
->hw
->n_cipher_schemes
= 1;
524 cs
->cipher
= le32_to_cpu(fwcs
->cipher
);
525 cs
->iftype
= BIT(NL80211_IFTYPE_STATION
);
526 cs
->hdr_len
= fwcs
->hdr_len
;
527 cs
->pn_len
= fwcs
->pn_len
;
528 cs
->pn_off
= fwcs
->pn_off
;
529 cs
->key_idx_off
= fwcs
->key_idx_off
;
530 cs
->key_idx_mask
= fwcs
->key_idx_mask
;
531 cs
->key_idx_shift
= fwcs
->key_idx_shift
;
532 cs
->mic_len
= fwcs
->mic_len
;
534 mvm
->hw
->cipher_schemes
= mvm
->cs
;
535 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] = cs
->cipher
;
536 hw
->wiphy
->n_cipher_suites
++;
539 ieee80211_hw_set(hw
, SINGLE_SCAN_ON_ALL_BANDS
);
540 hw
->wiphy
->features
|=
541 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
|
542 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
|
543 NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
545 hw
->sta_data_size
= sizeof(struct iwl_mvm_sta
);
546 hw
->vif_data_size
= sizeof(struct iwl_mvm_vif
);
547 hw
->chanctx_data_size
= sizeof(u16
);
549 hw
->wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
) |
550 BIT(NL80211_IFTYPE_P2P_CLIENT
) |
551 BIT(NL80211_IFTYPE_AP
) |
552 BIT(NL80211_IFTYPE_P2P_GO
) |
553 BIT(NL80211_IFTYPE_P2P_DEVICE
) |
554 BIT(NL80211_IFTYPE_ADHOC
);
556 hw
->wiphy
->flags
|= WIPHY_FLAG_IBSS_RSN
;
557 hw
->wiphy
->regulatory_flags
|= REGULATORY_ENABLE_RELAX_NO_IR
;
558 if (iwl_mvm_is_lar_supported(mvm
))
559 hw
->wiphy
->regulatory_flags
|= REGULATORY_WIPHY_SELF_MANAGED
;
561 hw
->wiphy
->regulatory_flags
|= REGULATORY_CUSTOM_REG
|
562 REGULATORY_DISABLE_BEACON_HINTS
;
564 hw
->wiphy
->flags
|= WIPHY_FLAG_AP_UAPSD
;
565 hw
->wiphy
->flags
|= WIPHY_FLAG_HAS_CHANNEL_SWITCH
;
567 hw
->wiphy
->iface_combinations
= iwl_mvm_iface_combinations
;
568 hw
->wiphy
->n_iface_combinations
=
569 ARRAY_SIZE(iwl_mvm_iface_combinations
);
571 hw
->wiphy
->max_remain_on_channel_duration
= 10000;
572 hw
->max_listen_interval
= IWL_CONN_MAX_LISTEN_INTERVAL
;
573 /* we can compensate an offset of up to 3 channels = 15 MHz */
574 hw
->wiphy
->max_adj_channel_rssi_comp
= 3 * 5;
576 /* Extract MAC address */
577 memcpy(mvm
->addresses
[0].addr
, mvm
->nvm_data
->hw_addr
, ETH_ALEN
);
578 hw
->wiphy
->addresses
= mvm
->addresses
;
579 hw
->wiphy
->n_addresses
= 1;
581 /* Extract additional MAC addresses if available */
582 num_mac
= (mvm
->nvm_data
->n_hw_addrs
> 1) ?
583 min(IWL_MVM_MAX_ADDRESSES
, mvm
->nvm_data
->n_hw_addrs
) : 1;
585 for (i
= 1; i
< num_mac
; i
++) {
586 memcpy(mvm
->addresses
[i
].addr
, mvm
->addresses
[i
-1].addr
,
588 mvm
->addresses
[i
].addr
[5]++;
589 hw
->wiphy
->n_addresses
++;
592 iwl_mvm_reset_phy_ctxts(mvm
);
594 hw
->wiphy
->max_scan_ie_len
= iwl_mvm_max_scan_ie_len(mvm
);
596 hw
->wiphy
->max_scan_ssids
= PROBE_OPTION_MAX
;
598 BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK
& IWL_MVM_SCAN_MASK
);
599 BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS
> HWEIGHT32(IWL_MVM_SCAN_MASK
) ||
600 IWL_MVM_MAX_LMAC_SCANS
> HWEIGHT32(IWL_MVM_SCAN_MASK
));
602 if (fw_has_capa(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_CAPA_UMAC_SCAN
))
603 mvm
->max_scans
= IWL_MVM_MAX_UMAC_SCANS
;
605 mvm
->max_scans
= IWL_MVM_MAX_LMAC_SCANS
;
607 if (mvm
->nvm_data
->bands
[NL80211_BAND_2GHZ
].n_channels
)
608 hw
->wiphy
->bands
[NL80211_BAND_2GHZ
] =
609 &mvm
->nvm_data
->bands
[NL80211_BAND_2GHZ
];
610 if (mvm
->nvm_data
->bands
[NL80211_BAND_5GHZ
].n_channels
) {
611 hw
->wiphy
->bands
[NL80211_BAND_5GHZ
] =
612 &mvm
->nvm_data
->bands
[NL80211_BAND_5GHZ
];
614 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
615 IWL_UCODE_TLV_CAPA_BEAMFORMER
) &&
616 fw_has_api(&mvm
->fw
->ucode_capa
,
617 IWL_UCODE_TLV_API_LQ_SS_PARAMS
))
618 hw
->wiphy
->bands
[NL80211_BAND_5GHZ
]->vht_cap
.cap
|=
619 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE
;
622 hw
->wiphy
->hw_version
= mvm
->trans
->hw_id
;
624 if (iwlmvm_mod_params
.power_scheme
!= IWL_POWER_SCHEME_CAM
)
625 hw
->wiphy
->flags
|= WIPHY_FLAG_PS_ON_BY_DEFAULT
;
627 hw
->wiphy
->flags
&= ~WIPHY_FLAG_PS_ON_BY_DEFAULT
;
629 hw
->wiphy
->max_sched_scan_reqs
= 1;
630 hw
->wiphy
->max_sched_scan_ssids
= PROBE_OPTION_MAX
;
631 hw
->wiphy
->max_match_sets
= IWL_SCAN_MAX_PROFILES
;
632 /* we create the 802.11 header and zero length SSID IE. */
633 hw
->wiphy
->max_sched_scan_ie_len
=
634 SCAN_OFFLOAD_PROBE_REQ_SIZE
- 24 - 2;
635 hw
->wiphy
->max_sched_scan_plans
= IWL_MAX_SCHED_SCAN_PLANS
;
636 hw
->wiphy
->max_sched_scan_plan_interval
= U16_MAX
;
639 * the firmware uses u8 for num of iterations, but 0xff is saved for
640 * infinite loop, so the maximum number of iterations is actually 254.
642 hw
->wiphy
->max_sched_scan_plan_iterations
= 254;
644 hw
->wiphy
->features
|= NL80211_FEATURE_P2P_GO_CTWIN
|
645 NL80211_FEATURE_LOW_PRIORITY_SCAN
|
646 NL80211_FEATURE_P2P_GO_OPPPS
|
647 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE
|
648 NL80211_FEATURE_DYNAMIC_SMPS
|
649 NL80211_FEATURE_STATIC_SMPS
|
650 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
;
652 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
653 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT
))
654 hw
->wiphy
->features
|= NL80211_FEATURE_TX_POWER_INSERTION
;
655 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
656 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT
))
657 hw
->wiphy
->features
|= NL80211_FEATURE_QUIET
;
659 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
660 IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT
))
661 hw
->wiphy
->features
|=
662 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
;
664 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
665 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT
))
666 hw
->wiphy
->features
|= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES
;
668 if (fw_has_api(&mvm
->fw
->ucode_capa
,
669 IWL_UCODE_TLV_API_SCAN_TSF_REPORT
)) {
670 wiphy_ext_feature_set(hw
->wiphy
,
671 NL80211_EXT_FEATURE_SCAN_START_TIME
);
672 wiphy_ext_feature_set(hw
->wiphy
,
673 NL80211_EXT_FEATURE_BSS_PARENT_TSF
);
674 wiphy_ext_feature_set(hw
->wiphy
,
675 NL80211_EXT_FEATURE_SET_SCAN_DWELL
);
678 mvm
->rts_threshold
= IEEE80211_MAX_RTS_THRESHOLD
;
680 #ifdef CONFIG_PM_SLEEP
681 if (iwl_mvm_is_d0i3_supported(mvm
) &&
682 device_can_wakeup(mvm
->trans
->dev
)) {
683 mvm
->wowlan
.flags
= WIPHY_WOWLAN_ANY
;
684 hw
->wiphy
->wowlan
= &mvm
->wowlan
;
687 if (mvm
->fw
->img
[IWL_UCODE_WOWLAN
].num_sec
&&
688 mvm
->trans
->ops
->d3_suspend
&&
689 mvm
->trans
->ops
->d3_resume
&&
690 device_can_wakeup(mvm
->trans
->dev
)) {
691 mvm
->wowlan
.flags
|= WIPHY_WOWLAN_MAGIC_PKT
|
692 WIPHY_WOWLAN_DISCONNECT
|
693 WIPHY_WOWLAN_EAP_IDENTITY_REQ
|
694 WIPHY_WOWLAN_RFKILL_RELEASE
|
695 WIPHY_WOWLAN_NET_DETECT
;
696 if (!iwlwifi_mod_params
.swcrypto
)
697 mvm
->wowlan
.flags
|= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
|
698 WIPHY_WOWLAN_GTK_REKEY_FAILURE
|
699 WIPHY_WOWLAN_4WAY_HANDSHAKE
;
701 mvm
->wowlan
.n_patterns
= IWL_WOWLAN_MAX_PATTERNS
;
702 mvm
->wowlan
.pattern_min_len
= IWL_WOWLAN_MIN_PATTERN_LEN
;
703 mvm
->wowlan
.pattern_max_len
= IWL_WOWLAN_MAX_PATTERN_LEN
;
704 mvm
->wowlan
.max_nd_match_sets
= IWL_SCAN_MAX_PROFILES
;
705 mvm
->wowlan
.tcp
= &iwl_mvm_wowlan_tcp_support
;
706 hw
->wiphy
->wowlan
= &mvm
->wowlan
;
710 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
711 /* assign default bcast filtering configuration */
712 mvm
->bcast_filters
= iwl_mvm_default_bcast_filters
;
715 ret
= iwl_mvm_leds_init(mvm
);
719 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
720 IWL_UCODE_TLV_CAPA_TDLS_SUPPORT
)) {
721 IWL_DEBUG_TDLS(mvm
, "TDLS supported\n");
722 hw
->wiphy
->flags
|= WIPHY_FLAG_SUPPORTS_TDLS
;
723 ieee80211_hw_set(hw
, TDLS_WIDER_BW
);
726 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
727 IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH
)) {
728 IWL_DEBUG_TDLS(mvm
, "TDLS channel switch supported\n");
729 hw
->wiphy
->features
|= NL80211_FEATURE_TDLS_CHANNEL_SWITCH
;
732 hw
->netdev_features
|= mvm
->cfg
->features
;
733 if (!iwl_mvm_is_csum_supported(mvm
)) {
734 hw
->netdev_features
&= ~(IWL_TX_CSUM_NETIF_FLAGS
|
736 /* We may support SW TX CSUM */
737 if (IWL_MVM_SW_TX_CSUM_OFFLOAD
)
738 hw
->netdev_features
|= IWL_TX_CSUM_NETIF_FLAGS
;
741 ret
= ieee80211_register_hw(mvm
->hw
);
743 iwl_mvm_leds_exit(mvm
);
744 mvm
->init_status
|= IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE
;
746 if (mvm
->cfg
->vht_mu_mimo_supported
)
747 wiphy_ext_feature_set(hw
->wiphy
,
748 NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER
);
753 static bool iwl_mvm_defer_tx(struct iwl_mvm
*mvm
,
754 struct ieee80211_sta
*sta
,
757 struct iwl_mvm_sta
*mvmsta
;
761 * double check the IN_D0I3 flag both before and after
762 * taking the spinlock, in order to prevent taking
763 * the spinlock when not needed.
765 if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
)))
768 spin_lock(&mvm
->d0i3_tx_lock
);
770 * testing the flag again ensures the skb dequeue
771 * loop (on d0i3 exit) hasn't run yet.
773 if (!test_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
))
776 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
777 if (mvmsta
->sta_id
== IWL_MVM_INVALID_STA
||
778 mvmsta
->sta_id
!= mvm
->d0i3_ap_sta_id
)
781 __skb_queue_tail(&mvm
->d0i3_tx
, skb
);
782 ieee80211_stop_queues(mvm
->hw
);
785 iwl_mvm_ref(mvm
, IWL_MVM_REF_TX
);
786 iwl_mvm_unref(mvm
, IWL_MVM_REF_TX
);
790 spin_unlock(&mvm
->d0i3_tx_lock
);
794 static void iwl_mvm_mac_tx(struct ieee80211_hw
*hw
,
795 struct ieee80211_tx_control
*control
,
798 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
799 struct ieee80211_sta
*sta
= control
->sta
;
800 struct ieee80211_tx_info
*info
= IEEE80211_SKB_CB(skb
);
801 struct ieee80211_hdr
*hdr
= (void *)skb
->data
;
803 if (iwl_mvm_is_radio_killed(mvm
)) {
804 IWL_DEBUG_DROP(mvm
, "Dropping - RF/CT KILL\n");
808 if (info
->hw_queue
== IWL_MVM_OFFCHANNEL_QUEUE
&&
809 !test_bit(IWL_MVM_STATUS_ROC_RUNNING
, &mvm
->status
) &&
810 !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING
, &mvm
->status
))
813 /* treat non-bufferable MMPDUs on AP interfaces as broadcast */
814 if ((info
->control
.vif
->type
== NL80211_IFTYPE_AP
||
815 info
->control
.vif
->type
== NL80211_IFTYPE_ADHOC
) &&
816 ieee80211_is_mgmt(hdr
->frame_control
) &&
817 !ieee80211_is_bufferable_mmpdu(hdr
->frame_control
))
821 if (iwl_mvm_defer_tx(mvm
, sta
, skb
))
823 if (iwl_mvm_tx_skb(mvm
, skb
, sta
))
828 if (iwl_mvm_tx_skb_non_sta(mvm
, skb
))
832 ieee80211_free_txskb(hw
, skb
);
835 static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg
*cfg
)
837 if (iwlwifi_mod_params
.disable_11n
& IWL_DISABLE_HT_RXAGG
)
842 static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg
*cfg
)
844 if (iwlwifi_mod_params
.disable_11n
& IWL_DISABLE_HT_TXAGG
)
846 if (iwlwifi_mod_params
.disable_11n
& IWL_ENABLE_HT_TXAGG
)
849 /* enabled by default */
853 #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \
855 if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \
857 iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \
861 iwl_mvm_ampdu_check_trigger(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
862 struct ieee80211_sta
*sta
, u16 tid
, u16 rx_ba_ssn
,
863 enum ieee80211_ampdu_mlme_action action
)
865 struct iwl_fw_dbg_trigger_tlv
*trig
;
866 struct iwl_fw_dbg_trigger_ba
*ba_trig
;
868 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_BA
))
871 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_BA
);
872 ba_trig
= (void *)trig
->data
;
874 if (!iwl_fw_dbg_trigger_check_stop(&mvm
->fwrt
,
875 ieee80211_vif_to_wdev(vif
), trig
))
879 case IEEE80211_AMPDU_TX_OPERATIONAL
: {
880 struct iwl_mvm_sta
*mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
881 struct iwl_mvm_tid_data
*tid_data
= &mvmsta
->tid_data
[tid
];
883 CHECK_BA_TRIGGER(mvm
, trig
, ba_trig
->tx_ba_start
, tid
,
884 "TX AGG START: MAC %pM tid %d ssn %d\n",
885 sta
->addr
, tid
, tid_data
->ssn
);
888 case IEEE80211_AMPDU_TX_STOP_CONT
:
889 CHECK_BA_TRIGGER(mvm
, trig
, ba_trig
->tx_ba_stop
, tid
,
890 "TX AGG STOP: MAC %pM tid %d\n",
893 case IEEE80211_AMPDU_RX_START
:
894 CHECK_BA_TRIGGER(mvm
, trig
, ba_trig
->rx_ba_start
, tid
,
895 "RX AGG START: MAC %pM tid %d ssn %d\n",
896 sta
->addr
, tid
, rx_ba_ssn
);
898 case IEEE80211_AMPDU_RX_STOP
:
899 CHECK_BA_TRIGGER(mvm
, trig
, ba_trig
->rx_ba_stop
, tid
,
900 "RX AGG STOP: MAC %pM tid %d\n",
908 static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw
*hw
,
909 struct ieee80211_vif
*vif
,
910 struct ieee80211_ampdu_params
*params
)
912 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
914 bool tx_agg_ref
= false;
915 struct ieee80211_sta
*sta
= params
->sta
;
916 enum ieee80211_ampdu_mlme_action action
= params
->action
;
917 u16 tid
= params
->tid
;
918 u16
*ssn
= ¶ms
->ssn
;
919 u8 buf_size
= params
->buf_size
;
920 bool amsdu
= params
->amsdu
;
921 u16 timeout
= params
->timeout
;
923 IWL_DEBUG_HT(mvm
, "A-MPDU action on addr %pM tid %d: action %d\n",
924 sta
->addr
, tid
, action
);
926 if (!(mvm
->nvm_data
->sku_cap_11n_enable
))
929 /* return from D0i3 before starting a new Tx aggregation */
931 case IEEE80211_AMPDU_TX_START
:
932 case IEEE80211_AMPDU_TX_STOP_CONT
:
933 case IEEE80211_AMPDU_TX_STOP_FLUSH
:
934 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT
:
935 case IEEE80211_AMPDU_TX_OPERATIONAL
:
937 * for tx start, wait synchronously until D0i3 exit to
938 * get the correct sequence number for the tid.
939 * additionally, some other ampdu actions use direct
940 * target access, which is not handled automatically
941 * by the trans layer (unlike commands), so wait for
942 * d0i3 exit in these cases as well.
944 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_TX_AGG
);
954 mutex_lock(&mvm
->mutex
);
957 case IEEE80211_AMPDU_RX_START
:
958 if (!iwl_enable_rx_ampdu(mvm
->cfg
)) {
962 ret
= iwl_mvm_sta_rx_agg(mvm
, sta
, tid
, *ssn
, true, buf_size
,
965 case IEEE80211_AMPDU_RX_STOP
:
966 ret
= iwl_mvm_sta_rx_agg(mvm
, sta
, tid
, 0, false, buf_size
,
969 case IEEE80211_AMPDU_TX_START
:
970 if (!iwl_enable_tx_ampdu(mvm
->cfg
)) {
974 ret
= iwl_mvm_sta_tx_agg_start(mvm
, vif
, sta
, tid
, ssn
);
976 case IEEE80211_AMPDU_TX_STOP_CONT
:
977 ret
= iwl_mvm_sta_tx_agg_stop(mvm
, vif
, sta
, tid
);
979 case IEEE80211_AMPDU_TX_STOP_FLUSH
:
980 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT
:
981 ret
= iwl_mvm_sta_tx_agg_flush(mvm
, vif
, sta
, tid
);
983 case IEEE80211_AMPDU_TX_OPERATIONAL
:
984 ret
= iwl_mvm_sta_tx_agg_oper(mvm
, vif
, sta
, tid
,
996 if (action
== IEEE80211_AMPDU_RX_START
)
999 iwl_mvm_ampdu_check_trigger(mvm
, vif
, sta
, tid
,
1002 mutex_unlock(&mvm
->mutex
);
1005 * If the tid is marked as started, we won't use it for offloaded
1006 * traffic on the next D0i3 entry. It's safe to unref.
1009 iwl_mvm_unref(mvm
, IWL_MVM_REF_TX_AGG
);
1014 static void iwl_mvm_cleanup_iterator(void *data
, u8
*mac
,
1015 struct ieee80211_vif
*vif
)
1017 struct iwl_mvm
*mvm
= data
;
1018 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1020 mvmvif
->uploaded
= false;
1021 mvmvif
->ap_sta_id
= IWL_MVM_INVALID_STA
;
1023 spin_lock_bh(&mvm
->time_event_lock
);
1024 iwl_mvm_te_clear_data(mvm
, &mvmvif
->time_event_data
);
1025 spin_unlock_bh(&mvm
->time_event_lock
);
1027 mvmvif
->phy_ctxt
= NULL
;
1028 memset(&mvmvif
->bf_data
, 0, sizeof(mvmvif
->bf_data
));
1031 static void iwl_mvm_restart_cleanup(struct iwl_mvm
*mvm
)
1033 /* clear the D3 reconfig, we only need it to avoid dumping a
1034 * firmware coredump on reconfiguration, we shouldn't do that
1035 * on D3->D0 transition
1037 if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG
, &mvm
->status
)) {
1038 mvm
->fwrt
.dump
.desc
= &iwl_dump_desc_assert
;
1039 iwl_fw_error_dump(&mvm
->fwrt
);
1042 /* cleanup all stale references (scan, roc), but keep the
1043 * ucode_down ref until reconfig is complete
1045 iwl_mvm_unref_all_except(mvm
, IWL_MVM_REF_UCODE_DOWN
);
1047 iwl_mvm_stop_device(mvm
);
1049 mvm
->scan_status
= 0;
1050 mvm
->ps_disabled
= false;
1051 mvm
->calibrating
= false;
1053 /* just in case one was running */
1054 iwl_mvm_cleanup_roc_te(mvm
);
1055 ieee80211_remain_on_channel_expired(mvm
->hw
);
1058 * cleanup all interfaces, even inactive ones, as some might have
1059 * gone down during the HW restart
1061 ieee80211_iterate_interfaces(mvm
->hw
, 0, iwl_mvm_cleanup_iterator
, mvm
);
1063 mvm
->p2p_device_vif
= NULL
;
1064 mvm
->d0i3_ap_sta_id
= IWL_MVM_INVALID_STA
;
1066 iwl_mvm_reset_phy_ctxts(mvm
);
1067 memset(mvm
->fw_key_table
, 0, sizeof(mvm
->fw_key_table
));
1068 memset(mvm
->sta_deferred_frames
, 0, sizeof(mvm
->sta_deferred_frames
));
1069 memset(&mvm
->last_bt_notif
, 0, sizeof(mvm
->last_bt_notif
));
1070 memset(&mvm
->last_bt_ci_cmd
, 0, sizeof(mvm
->last_bt_ci_cmd
));
1072 ieee80211_wake_queues(mvm
->hw
);
1074 /* clear any stale d0i3 state */
1075 clear_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
);
1078 mvm
->rx_ba_sessions
= 0;
1079 mvm
->fwrt
.dump
.conf
= FW_DBG_INVALID
;
1081 /* keep statistics ticking */
1082 iwl_mvm_accu_radio_stats(mvm
);
1085 int __iwl_mvm_mac_start(struct iwl_mvm
*mvm
)
1089 lockdep_assert_held(&mvm
->mutex
);
1091 if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED
, &mvm
->status
)) {
1093 * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART
1094 * so later code will - from now on - see that we're doing it.
1096 set_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
);
1097 clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED
, &mvm
->status
);
1098 /* Clean up some internal and mac80211 state on restart */
1099 iwl_mvm_restart_cleanup(mvm
);
1101 /* Hold the reference to prevent runtime suspend while
1102 * the start procedure runs. It's a bit confusing
1103 * that the UCODE_DOWN reference is taken, but it just
1104 * means "UCODE is not UP yet". ( TODO: rename this
1107 iwl_mvm_ref(mvm
, IWL_MVM_REF_UCODE_DOWN
);
1109 ret
= iwl_mvm_up(mvm
);
1111 if (ret
&& test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
)) {
1112 /* Something went wrong - we need to finish some cleanup
1113 * that normally iwl_mvm_mac_restart_complete() below
1116 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
);
1117 iwl_mvm_d0i3_enable_tx(mvm
, NULL
);
1123 static int iwl_mvm_mac_start(struct ieee80211_hw
*hw
)
1125 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1128 /* Some hw restart cleanups must not hold the mutex */
1129 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
)) {
1131 * Make sure we are out of d0i3. This is needed
1132 * to make sure the reference accounting is correct
1133 * (and there is no stale d0i3_exit_work).
1135 wait_event_timeout(mvm
->d0i3_exit_waitq
,
1136 !test_bit(IWL_MVM_STATUS_IN_D0I3
,
1141 mutex_lock(&mvm
->mutex
);
1142 ret
= __iwl_mvm_mac_start(mvm
);
1143 mutex_unlock(&mvm
->mutex
);
1148 static void iwl_mvm_restart_complete(struct iwl_mvm
*mvm
)
1152 mutex_lock(&mvm
->mutex
);
1154 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
);
1155 iwl_mvm_d0i3_enable_tx(mvm
, NULL
);
1156 ret
= iwl_mvm_update_quotas(mvm
, true, NULL
);
1158 IWL_ERR(mvm
, "Failed to update quotas after restart (%d)\n",
1161 /* allow transport/FW low power modes */
1162 iwl_mvm_unref(mvm
, IWL_MVM_REF_UCODE_DOWN
);
1165 * If we have TDLS peers, remove them. We don't know the last seqno/PN
1166 * of packets the FW sent out, so we must reconnect.
1168 iwl_mvm_teardown_tdls_peers(mvm
);
1170 mutex_unlock(&mvm
->mutex
);
1173 static void iwl_mvm_resume_complete(struct iwl_mvm
*mvm
)
1175 if (iwl_mvm_is_d0i3_supported(mvm
) &&
1176 iwl_mvm_enter_d0i3_on_suspend(mvm
))
1177 WARN_ONCE(!wait_event_timeout(mvm
->d0i3_exit_waitq
,
1178 !test_bit(IWL_MVM_STATUS_IN_D0I3
,
1181 "D0i3 exit on resume timed out\n");
1185 iwl_mvm_mac_reconfig_complete(struct ieee80211_hw
*hw
,
1186 enum ieee80211_reconfig_type reconfig_type
)
1188 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1190 switch (reconfig_type
) {
1191 case IEEE80211_RECONFIG_TYPE_RESTART
:
1192 iwl_mvm_restart_complete(mvm
);
1194 case IEEE80211_RECONFIG_TYPE_SUSPEND
:
1195 iwl_mvm_resume_complete(mvm
);
1200 void __iwl_mvm_mac_stop(struct iwl_mvm
*mvm
)
1202 lockdep_assert_held(&mvm
->mutex
);
1204 /* firmware counters are obviously reset now, but we shouldn't
1205 * partially track so also clear the fw_reset_accu counters.
1207 memset(&mvm
->accu_radio_stats
, 0, sizeof(mvm
->accu_radio_stats
));
1209 /* async_handlers_wk is now blocked */
1212 * The work item could be running or queued if the
1213 * ROC time event stops just as we get here.
1215 flush_work(&mvm
->roc_done_wk
);
1217 iwl_mvm_stop_device(mvm
);
1219 iwl_mvm_async_handlers_purge(mvm
);
1220 /* async_handlers_list is empty and will stay empty: HW is stopped */
1222 /* the fw is stopped, the aux sta is dead: clean up driver state */
1223 iwl_mvm_del_aux_sta(mvm
);
1226 * Clear IN_HW_RESTART flag when stopping the hw (as restart_complete()
1227 * won't be called in this case).
1228 * But make sure to cleanup interfaces that have gone down before/during
1229 * HW restart was requested.
1231 if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
))
1232 ieee80211_iterate_interfaces(mvm
->hw
, 0,
1233 iwl_mvm_cleanup_iterator
, mvm
);
1235 /* We shouldn't have any UIDs still set. Loop over all the UIDs to
1236 * make sure there's nothing left there and warn if any is found.
1238 if (fw_has_capa(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_CAPA_UMAC_SCAN
)) {
1241 for (i
= 0; i
< mvm
->max_scans
; i
++) {
1242 if (WARN_ONCE(mvm
->scan_uid_status
[i
],
1243 "UMAC scan UID %d status was not cleaned\n",
1245 mvm
->scan_uid_status
[i
] = 0;
1250 static void iwl_mvm_mac_stop(struct ieee80211_hw
*hw
)
1252 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1254 flush_work(&mvm
->d0i3_exit_work
);
1255 flush_work(&mvm
->async_handlers_wk
);
1256 flush_work(&mvm
->add_stream_wk
);
1259 * Lock and clear the firmware running bit here already, so that
1260 * new commands coming in elsewhere, e.g. from debugfs, will not
1261 * be able to proceed. This is important here because one of those
1262 * debugfs files causes the firmware dump to be triggered, and if we
1263 * don't stop debugfs accesses before canceling that it could be
1264 * retriggered after we flush it but before we've cleared the bit.
1266 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING
, &mvm
->status
);
1268 iwl_fw_cancel_dump(&mvm
->fwrt
);
1269 cancel_delayed_work_sync(&mvm
->cs_tx_unblock_dwork
);
1270 cancel_delayed_work_sync(&mvm
->scan_timeout_dwork
);
1271 iwl_fw_free_dump_desc(&mvm
->fwrt
);
1273 mutex_lock(&mvm
->mutex
);
1274 __iwl_mvm_mac_stop(mvm
);
1275 mutex_unlock(&mvm
->mutex
);
1278 * The worker might have been waiting for the mutex, let it run and
1279 * discover that its list is now empty.
1281 cancel_work_sync(&mvm
->async_handlers_wk
);
1284 static struct iwl_mvm_phy_ctxt
*iwl_mvm_get_free_phy_ctxt(struct iwl_mvm
*mvm
)
1288 lockdep_assert_held(&mvm
->mutex
);
1290 for (i
= 0; i
< NUM_PHY_CTX
; i
++)
1291 if (!mvm
->phy_ctxts
[i
].ref
)
1292 return &mvm
->phy_ctxts
[i
];
1294 IWL_ERR(mvm
, "No available PHY context\n");
1298 static int iwl_mvm_set_tx_power(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
1301 struct iwl_dev_tx_power_cmd cmd
= {
1302 .v3
.set_mode
= cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC
),
1303 .v3
.mac_context_id
=
1304 cpu_to_le32(iwl_mvm_vif_from_mac80211(vif
)->id
),
1305 .v3
.pwr_restriction
= cpu_to_le16(8 * tx_power
),
1307 int len
= sizeof(cmd
);
1309 if (tx_power
== IWL_DEFAULT_MAX_TX_POWER
)
1310 cmd
.v3
.pwr_restriction
= cpu_to_le16(IWL_DEV_MAX_TX_POWER
);
1312 if (!fw_has_capa(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_CAPA_TX_POWER_ACK
))
1313 len
= sizeof(cmd
.v3
);
1315 return iwl_mvm_send_cmd_pdu(mvm
, REDUCE_TX_POWER_CMD
, 0, len
, &cmd
);
1318 static int iwl_mvm_mac_add_interface(struct ieee80211_hw
*hw
,
1319 struct ieee80211_vif
*vif
)
1321 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1322 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1328 * make sure D0i3 exit is completed, otherwise a target access
1329 * during tx queue configuration could be done when still in
1332 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_ADD_IF
);
1337 * Not much to do here. The stack will not allow interface
1338 * types or combinations that we didn't advertise, so we
1339 * don't really have to check the types.
1342 mutex_lock(&mvm
->mutex
);
1344 /* make sure that beacon statistics don't go backwards with FW reset */
1345 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
))
1346 mvmvif
->beacon_stats
.accu_num_beacons
+=
1347 mvmvif
->beacon_stats
.num_beacons
;
1349 /* Allocate resources for the MAC context, and add it to the fw */
1350 ret
= iwl_mvm_mac_ctxt_init(mvm
, vif
);
1354 /* Counting number of interfaces is needed for legacy PM */
1355 if (vif
->type
!= NL80211_IFTYPE_P2P_DEVICE
)
1359 * The AP binding flow can be done only after the beacon
1360 * template is configured (which happens only in the mac80211
1361 * start_ap() flow), and adding the broadcast station can happen
1362 * only after the binding.
1363 * In addition, since modifying the MAC before adding a bcast
1364 * station is not allowed by the FW, delay the adding of MAC context to
1365 * the point where we can also add the bcast station.
1366 * In short: there's not much we can do at this point, other than
1367 * allocating resources :)
1369 if (vif
->type
== NL80211_IFTYPE_AP
||
1370 vif
->type
== NL80211_IFTYPE_ADHOC
) {
1371 ret
= iwl_mvm_alloc_bcast_sta(mvm
, vif
);
1373 IWL_ERR(mvm
, "Failed to allocate bcast sta\n");
1378 * Only queue for this station is the mcast queue,
1379 * which shouldn't be in TFD mask anyway
1381 ret
= iwl_mvm_allocate_int_sta(mvm
, &mvmvif
->mcast_sta
,
1387 iwl_mvm_vif_dbgfs_register(mvm
, vif
);
1391 mvmvif
->features
|= hw
->netdev_features
;
1393 ret
= iwl_mvm_mac_ctxt_add(mvm
, vif
);
1397 ret
= iwl_mvm_power_update_mac(mvm
);
1399 goto out_remove_mac
;
1401 /* beacon filtering */
1402 ret
= iwl_mvm_disable_beacon_filter(mvm
, vif
, 0);
1404 goto out_remove_mac
;
1406 if (!mvm
->bf_allowed_vif
&&
1407 vif
->type
== NL80211_IFTYPE_STATION
&& !vif
->p2p
) {
1408 mvm
->bf_allowed_vif
= mvmvif
;
1409 vif
->driver_flags
|= IEEE80211_VIF_BEACON_FILTER
|
1410 IEEE80211_VIF_SUPPORTS_CQM_RSSI
;
1414 * P2P_DEVICE interface does not have a channel context assigned to it,
1415 * so a dedicated PHY context is allocated to it and the corresponding
1416 * MAC context is bound to it at this stage.
1418 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
1420 mvmvif
->phy_ctxt
= iwl_mvm_get_free_phy_ctxt(mvm
);
1421 if (!mvmvif
->phy_ctxt
) {
1426 iwl_mvm_phy_ctxt_ref(mvm
, mvmvif
->phy_ctxt
);
1427 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
1431 ret
= iwl_mvm_add_p2p_bcast_sta(mvm
, vif
);
1435 /* Save a pointer to p2p device vif, so it can later be used to
1436 * update the p2p device MAC when a GO is started/stopped */
1437 mvm
->p2p_device_vif
= vif
;
1440 iwl_mvm_vif_dbgfs_register(mvm
, vif
);
1444 iwl_mvm_binding_remove_vif(mvm
, vif
);
1446 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
1448 if (mvm
->bf_allowed_vif
== mvmvif
) {
1449 mvm
->bf_allowed_vif
= NULL
;
1450 vif
->driver_flags
&= ~(IEEE80211_VIF_BEACON_FILTER
|
1451 IEEE80211_VIF_SUPPORTS_CQM_RSSI
);
1454 mvmvif
->phy_ctxt
= NULL
;
1455 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
1457 if (vif
->type
!= NL80211_IFTYPE_P2P_DEVICE
)
1460 mutex_unlock(&mvm
->mutex
);
1462 iwl_mvm_unref(mvm
, IWL_MVM_REF_ADD_IF
);
1467 static void iwl_mvm_prepare_mac_removal(struct iwl_mvm
*mvm
,
1468 struct ieee80211_vif
*vif
)
1470 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
1472 * Flush the ROC worker which will flush the OFFCHANNEL queue.
1473 * We assume here that all the packets sent to the OFFCHANNEL
1474 * queue are sent in ROC session.
1476 flush_work(&mvm
->roc_done_wk
);
1480 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw
*hw
,
1481 struct ieee80211_vif
*vif
)
1483 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1484 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1486 iwl_mvm_prepare_mac_removal(mvm
, vif
);
1488 mutex_lock(&mvm
->mutex
);
1490 if (mvm
->bf_allowed_vif
== mvmvif
) {
1491 mvm
->bf_allowed_vif
= NULL
;
1492 vif
->driver_flags
&= ~(IEEE80211_VIF_BEACON_FILTER
|
1493 IEEE80211_VIF_SUPPORTS_CQM_RSSI
);
1496 iwl_mvm_vif_dbgfs_clean(mvm
, vif
);
1499 * For AP/GO interface, the tear down of the resources allocated to the
1500 * interface is be handled as part of the stop_ap flow.
1502 if (vif
->type
== NL80211_IFTYPE_AP
||
1503 vif
->type
== NL80211_IFTYPE_ADHOC
) {
1504 #ifdef CONFIG_NL80211_TESTMODE
1505 if (vif
== mvm
->noa_vif
) {
1506 mvm
->noa_vif
= NULL
;
1507 mvm
->noa_duration
= 0;
1510 iwl_mvm_dealloc_int_sta(mvm
, &mvmvif
->mcast_sta
);
1511 iwl_mvm_dealloc_bcast_sta(mvm
, vif
);
1515 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
1516 mvm
->p2p_device_vif
= NULL
;
1517 iwl_mvm_rm_p2p_bcast_sta(mvm
, vif
);
1518 iwl_mvm_binding_remove_vif(mvm
, vif
);
1519 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
1520 mvmvif
->phy_ctxt
= NULL
;
1523 if (mvm
->vif_count
&& vif
->type
!= NL80211_IFTYPE_P2P_DEVICE
)
1526 iwl_mvm_power_update_mac(mvm
);
1527 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
1530 mutex_unlock(&mvm
->mutex
);
1533 static int iwl_mvm_mac_config(struct ieee80211_hw
*hw
, u32 changed
)
1538 struct iwl_mvm_mc_iter_data
{
1539 struct iwl_mvm
*mvm
;
1543 static void iwl_mvm_mc_iface_iterator(void *_data
, u8
*mac
,
1544 struct ieee80211_vif
*vif
)
1546 struct iwl_mvm_mc_iter_data
*data
= _data
;
1547 struct iwl_mvm
*mvm
= data
->mvm
;
1548 struct iwl_mcast_filter_cmd
*cmd
= mvm
->mcast_filter_cmd
;
1549 struct iwl_host_cmd hcmd
= {
1550 .id
= MCAST_FILTER_CMD
,
1552 .dataflags
[0] = IWL_HCMD_DFL_NOCOPY
,
1556 /* if we don't have free ports, mcast frames will be dropped */
1557 if (WARN_ON_ONCE(data
->port_id
>= MAX_PORT_ID_NUM
))
1560 if (vif
->type
!= NL80211_IFTYPE_STATION
||
1561 !vif
->bss_conf
.assoc
)
1564 cmd
->port_id
= data
->port_id
++;
1565 memcpy(cmd
->bssid
, vif
->bss_conf
.bssid
, ETH_ALEN
);
1566 len
= roundup(sizeof(*cmd
) + cmd
->count
* ETH_ALEN
, 4);
1571 ret
= iwl_mvm_send_cmd(mvm
, &hcmd
);
1573 IWL_ERR(mvm
, "mcast filter cmd error. ret=%d\n", ret
);
1576 static void iwl_mvm_recalc_multicast(struct iwl_mvm
*mvm
)
1578 struct iwl_mvm_mc_iter_data iter_data
= {
1582 lockdep_assert_held(&mvm
->mutex
);
1584 if (WARN_ON_ONCE(!mvm
->mcast_filter_cmd
))
1587 ieee80211_iterate_active_interfaces_atomic(
1588 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
1589 iwl_mvm_mc_iface_iterator
, &iter_data
);
1592 static u64
iwl_mvm_prepare_multicast(struct ieee80211_hw
*hw
,
1593 struct netdev_hw_addr_list
*mc_list
)
1595 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1596 struct iwl_mcast_filter_cmd
*cmd
;
1597 struct netdev_hw_addr
*addr
;
1602 addr_count
= netdev_hw_addr_list_count(mc_list
);
1603 pass_all
= addr_count
> MAX_MCAST_FILTERING_ADDRESSES
||
1604 IWL_MVM_FW_MCAST_FILTER_PASS_ALL
;
1608 len
= roundup(sizeof(*cmd
) + addr_count
* ETH_ALEN
, 4);
1609 cmd
= kzalloc(len
, GFP_ATOMIC
);
1615 return (u64
)(unsigned long)cmd
;
1618 netdev_hw_addr_list_for_each(addr
, mc_list
) {
1619 IWL_DEBUG_MAC80211(mvm
, "mcast addr (%d): %pM\n",
1620 cmd
->count
, addr
->addr
);
1621 memcpy(&cmd
->addr_list
[cmd
->count
* ETH_ALEN
],
1622 addr
->addr
, ETH_ALEN
);
1626 return (u64
)(unsigned long)cmd
;
1629 static void iwl_mvm_configure_filter(struct ieee80211_hw
*hw
,
1630 unsigned int changed_flags
,
1631 unsigned int *total_flags
,
1634 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1635 struct iwl_mcast_filter_cmd
*cmd
= (void *)(unsigned long)multicast
;
1637 mutex_lock(&mvm
->mutex
);
1639 /* replace previous configuration */
1640 kfree(mvm
->mcast_filter_cmd
);
1641 mvm
->mcast_filter_cmd
= cmd
;
1646 if (changed_flags
& FIF_ALLMULTI
)
1647 cmd
->pass_all
= !!(*total_flags
& FIF_ALLMULTI
);
1652 iwl_mvm_recalc_multicast(mvm
);
1654 mutex_unlock(&mvm
->mutex
);
1658 static void iwl_mvm_config_iface_filter(struct ieee80211_hw
*hw
,
1659 struct ieee80211_vif
*vif
,
1660 unsigned int filter_flags
,
1661 unsigned int changed_flags
)
1663 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1665 /* We support only filter for probe requests */
1666 if (!(changed_flags
& FIF_PROBE_REQ
))
1669 /* Supported only for p2p client interfaces */
1670 if (vif
->type
!= NL80211_IFTYPE_STATION
|| !vif
->bss_conf
.assoc
||
1674 mutex_lock(&mvm
->mutex
);
1675 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
1676 mutex_unlock(&mvm
->mutex
);
1679 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1680 struct iwl_bcast_iter_data
{
1681 struct iwl_mvm
*mvm
;
1682 struct iwl_bcast_filter_cmd
*cmd
;
1687 iwl_mvm_set_bcast_filter(struct ieee80211_vif
*vif
,
1688 const struct iwl_fw_bcast_filter
*in_filter
,
1689 struct iwl_fw_bcast_filter
*out_filter
)
1691 struct iwl_fw_bcast_filter_attr
*attr
;
1694 memcpy(out_filter
, in_filter
, sizeof(*out_filter
));
1696 for (i
= 0; i
< ARRAY_SIZE(out_filter
->attrs
); i
++) {
1697 attr
= &out_filter
->attrs
[i
];
1702 switch (attr
->reserved1
) {
1703 case cpu_to_le16(BC_FILTER_MAGIC_IP
):
1704 if (vif
->bss_conf
.arp_addr_cnt
!= 1) {
1709 attr
->val
= vif
->bss_conf
.arp_addr_list
[0];
1711 case cpu_to_le16(BC_FILTER_MAGIC_MAC
):
1712 attr
->val
= *(__be32
*)&vif
->addr
[2];
1717 attr
->reserved1
= 0;
1718 out_filter
->num_attrs
++;
1722 static void iwl_mvm_bcast_filter_iterator(void *_data
, u8
*mac
,
1723 struct ieee80211_vif
*vif
)
1725 struct iwl_bcast_iter_data
*data
= _data
;
1726 struct iwl_mvm
*mvm
= data
->mvm
;
1727 struct iwl_bcast_filter_cmd
*cmd
= data
->cmd
;
1728 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1729 struct iwl_fw_bcast_mac
*bcast_mac
;
1732 if (WARN_ON(mvmvif
->id
>= ARRAY_SIZE(cmd
->macs
)))
1735 bcast_mac
= &cmd
->macs
[mvmvif
->id
];
1738 * enable filtering only for associated stations, but not for P2P
1741 if (vif
->type
!= NL80211_IFTYPE_STATION
|| vif
->p2p
||
1742 !vif
->bss_conf
.assoc
)
1745 bcast_mac
->default_discard
= 1;
1747 /* copy all configured filters */
1748 for (i
= 0; mvm
->bcast_filters
[i
].attrs
[0].mask
; i
++) {
1750 * Make sure we don't exceed our filters limit.
1751 * if there is still a valid filter to be configured,
1752 * be on the safe side and just allow bcast for this mac.
1754 if (WARN_ON_ONCE(data
->current_filter
>=
1755 ARRAY_SIZE(cmd
->filters
))) {
1756 bcast_mac
->default_discard
= 0;
1757 bcast_mac
->attached_filters
= 0;
1761 iwl_mvm_set_bcast_filter(vif
,
1762 &mvm
->bcast_filters
[i
],
1763 &cmd
->filters
[data
->current_filter
]);
1765 /* skip current filter if it contains no attributes */
1766 if (!cmd
->filters
[data
->current_filter
].num_attrs
)
1769 /* attach the filter to current mac */
1770 bcast_mac
->attached_filters
|=
1771 cpu_to_le16(BIT(data
->current_filter
));
1773 data
->current_filter
++;
1777 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm
*mvm
,
1778 struct iwl_bcast_filter_cmd
*cmd
)
1780 struct iwl_bcast_iter_data iter_data
= {
1785 if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL
)
1788 memset(cmd
, 0, sizeof(*cmd
));
1789 cmd
->max_bcast_filters
= ARRAY_SIZE(cmd
->filters
);
1790 cmd
->max_macs
= ARRAY_SIZE(cmd
->macs
);
1792 #ifdef CONFIG_IWLWIFI_DEBUGFS
1793 /* use debugfs filters/macs if override is configured */
1794 if (mvm
->dbgfs_bcast_filtering
.override
) {
1795 memcpy(cmd
->filters
, &mvm
->dbgfs_bcast_filtering
.cmd
.filters
,
1796 sizeof(cmd
->filters
));
1797 memcpy(cmd
->macs
, &mvm
->dbgfs_bcast_filtering
.cmd
.macs
,
1803 /* if no filters are configured, do nothing */
1804 if (!mvm
->bcast_filters
)
1807 /* configure and attach these filters for each associated sta vif */
1808 ieee80211_iterate_active_interfaces(
1809 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
1810 iwl_mvm_bcast_filter_iterator
, &iter_data
);
1815 static int iwl_mvm_configure_bcast_filter(struct iwl_mvm
*mvm
)
1817 struct iwl_bcast_filter_cmd cmd
;
1819 if (!(mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_BCAST_FILTERING
))
1822 if (!iwl_mvm_bcast_filter_build_cmd(mvm
, &cmd
))
1825 return iwl_mvm_send_cmd_pdu(mvm
, BCAST_FILTER_CMD
, 0,
1829 static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm
*mvm
)
1835 static int iwl_mvm_update_mu_groups(struct iwl_mvm
*mvm
,
1836 struct ieee80211_vif
*vif
)
1838 struct iwl_mu_group_mgmt_cmd cmd
= {};
1840 memcpy(cmd
.membership_status
, vif
->bss_conf
.mu_group
.membership
,
1841 WLAN_MEMBERSHIP_LEN
);
1842 memcpy(cmd
.user_position
, vif
->bss_conf
.mu_group
.position
,
1843 WLAN_USER_POSITION_LEN
);
1845 return iwl_mvm_send_cmd_pdu(mvm
,
1846 WIDE_ID(DATA_PATH_GROUP
,
1847 UPDATE_MU_GROUPS_CMD
),
1848 0, sizeof(cmd
), &cmd
);
1851 static void iwl_mvm_mu_mimo_iface_iterator(void *_data
, u8
*mac
,
1852 struct ieee80211_vif
*vif
)
1854 if (vif
->mu_mimo_owner
) {
1855 struct iwl_mu_group_mgmt_notif
*notif
= _data
;
1858 * MU-MIMO Group Id action frame is little endian. We treat
1859 * the data received from firmware as if it came from the
1860 * action frame, so no conversion is needed.
1862 ieee80211_update_mu_groups(vif
,
1863 (u8
*)¬if
->membership_status
,
1864 (u8
*)¬if
->user_position
);
1868 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm
*mvm
,
1869 struct iwl_rx_cmd_buffer
*rxb
)
1871 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
1872 struct iwl_mu_group_mgmt_notif
*notif
= (void *)pkt
->data
;
1874 ieee80211_iterate_active_interfaces_atomic(
1875 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
1876 iwl_mvm_mu_mimo_iface_iterator
, notif
);
1879 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm
*mvm
,
1880 struct ieee80211_vif
*vif
,
1881 struct ieee80211_bss_conf
*bss_conf
,
1884 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1888 * Re-calculate the tsf id, as the master-slave relations depend on the
1889 * beacon interval, which was not known when the station interface was
1892 if (changes
& BSS_CHANGED_ASSOC
&& bss_conf
->assoc
)
1893 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm
, vif
);
1895 if (changes
& BSS_CHANGED_ASSOC
&& !bss_conf
->assoc
&&
1897 iwl_mvm_send_lqm_cmd(vif
, LQM_CMD_OPERATION_STOP_MEASUREMENT
,
1901 * If we're not associated yet, take the (new) BSSID before associating
1902 * so the firmware knows. If we're already associated, then use the old
1903 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC
1904 * branch for disassociation below.
1906 if (changes
& BSS_CHANGED_BSSID
&& !mvmvif
->associated
)
1907 memcpy(mvmvif
->bssid
, bss_conf
->bssid
, ETH_ALEN
);
1909 ret
= iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, mvmvif
->bssid
);
1911 IWL_ERR(mvm
, "failed to update MAC %pM\n", vif
->addr
);
1913 /* after sending it once, adopt mac80211 data */
1914 memcpy(mvmvif
->bssid
, bss_conf
->bssid
, ETH_ALEN
);
1915 mvmvif
->associated
= bss_conf
->assoc
;
1917 if (changes
& BSS_CHANGED_ASSOC
) {
1918 if (bss_conf
->assoc
) {
1919 /* clear statistics to get clean beacon counter */
1920 iwl_mvm_request_statistics(mvm
, true);
1921 memset(&mvmvif
->beacon_stats
, 0,
1922 sizeof(mvmvif
->beacon_stats
));
1924 /* add quota for this interface */
1925 ret
= iwl_mvm_update_quotas(mvm
, true, NULL
);
1927 IWL_ERR(mvm
, "failed to update quotas\n");
1931 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
,
1934 * If we're restarting then the firmware will
1935 * obviously have lost synchronisation with
1936 * the AP. It will attempt to synchronise by
1937 * itself, but we can make it more reliable by
1938 * scheduling a session protection time event.
1940 * The firmware needs to receive a beacon to
1941 * catch up with synchronisation, use 110% of
1942 * the beacon interval.
1944 * Set a large maximum delay to allow for more
1945 * than a single interface.
1947 u32 dur
= (11 * vif
->bss_conf
.beacon_int
) / 10;
1948 iwl_mvm_protect_session(mvm
, vif
, dur
, dur
,
1952 iwl_mvm_sf_update(mvm
, vif
, false);
1953 iwl_mvm_power_vif_assoc(mvm
, vif
);
1955 iwl_mvm_ref(mvm
, IWL_MVM_REF_P2P_CLIENT
);
1956 iwl_mvm_update_smps(mvm
, vif
,
1957 IWL_MVM_SMPS_REQ_PROT
,
1958 IEEE80211_SMPS_DYNAMIC
);
1960 } else if (mvmvif
->ap_sta_id
!= IWL_MVM_INVALID_STA
) {
1962 * If update fails - SF might be running in associated
1963 * mode while disassociated - which is forbidden.
1965 WARN_ONCE(iwl_mvm_sf_update(mvm
, vif
, false),
1966 "Failed to update SF upon disassociation\n");
1969 * If we get an assert during the connection (after the
1970 * station has been added, but before the vif is set
1971 * to associated), mac80211 will re-add the station and
1972 * then configure the vif. Since the vif is not
1973 * associated, we would remove the station here and
1974 * this would fail the recovery.
1976 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART
,
1979 * Remove AP station now that
1980 * the MAC is unassoc
1982 ret
= iwl_mvm_rm_sta_id(mvm
, vif
,
1986 "failed to remove AP station\n");
1988 if (mvm
->d0i3_ap_sta_id
== mvmvif
->ap_sta_id
)
1989 mvm
->d0i3_ap_sta_id
=
1990 IWL_MVM_INVALID_STA
;
1991 mvmvif
->ap_sta_id
= IWL_MVM_INVALID_STA
;
1994 /* remove quota for this interface */
1995 ret
= iwl_mvm_update_quotas(mvm
, false, NULL
);
1997 IWL_ERR(mvm
, "failed to update quotas\n");
2000 iwl_mvm_unref(mvm
, IWL_MVM_REF_P2P_CLIENT
);
2002 /* this will take the cleared BSSID from bss_conf */
2003 ret
= iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
2006 "failed to update MAC %pM (clear after unassoc)\n",
2011 * The firmware tracks the MU-MIMO group on its own.
2012 * However, on HW restart we should restore this data.
2014 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
) &&
2015 (changes
& BSS_CHANGED_MU_GROUPS
) && vif
->mu_mimo_owner
) {
2016 ret
= iwl_mvm_update_mu_groups(mvm
, vif
);
2019 "failed to update VHT MU_MIMO groups\n");
2022 iwl_mvm_recalc_multicast(mvm
);
2023 iwl_mvm_configure_bcast_filter(mvm
);
2025 /* reset rssi values */
2026 mvmvif
->bf_data
.ave_beacon_signal
= 0;
2028 iwl_mvm_bt_coex_vif_change(mvm
);
2029 iwl_mvm_update_smps(mvm
, vif
, IWL_MVM_SMPS_REQ_TT
,
2030 IEEE80211_SMPS_AUTOMATIC
);
2031 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
2032 IWL_UCODE_TLV_CAPA_UMAC_SCAN
))
2033 iwl_mvm_config_scan(mvm
);
2036 if (changes
& BSS_CHANGED_BEACON_INFO
) {
2038 * We received a beacon from the associated AP so
2039 * remove the session protection.
2041 iwl_mvm_stop_session_protection(mvm
, vif
);
2043 iwl_mvm_sf_update(mvm
, vif
, false);
2044 WARN_ON(iwl_mvm_enable_beacon_filter(mvm
, vif
, 0));
2047 if (changes
& (BSS_CHANGED_PS
| BSS_CHANGED_P2P_PS
| BSS_CHANGED_QOS
|
2049 * Send power command on every beacon change,
2050 * because we may have not enabled beacon abort yet.
2052 BSS_CHANGED_BEACON_INFO
)) {
2053 ret
= iwl_mvm_power_update_mac(mvm
);
2055 IWL_ERR(mvm
, "failed to update power mode\n");
2058 if (changes
& BSS_CHANGED_TXPOWER
) {
2059 IWL_DEBUG_CALIB(mvm
, "Changing TX Power to %d\n",
2061 iwl_mvm_set_tx_power(mvm
, vif
, bss_conf
->txpower
);
2064 if (changes
& BSS_CHANGED_CQM
) {
2065 IWL_DEBUG_MAC80211(mvm
, "cqm info_changed\n");
2066 /* reset cqm events tracking */
2067 mvmvif
->bf_data
.last_cqm_event
= 0;
2068 if (mvmvif
->bf_data
.bf_enabled
) {
2069 ret
= iwl_mvm_enable_beacon_filter(mvm
, vif
, 0);
2072 "failed to update CQM thresholds\n");
2076 if (changes
& BSS_CHANGED_ARP_FILTER
) {
2077 IWL_DEBUG_MAC80211(mvm
, "arp filter changed\n");
2078 iwl_mvm_configure_bcast_filter(mvm
);
2082 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw
*hw
,
2083 struct ieee80211_vif
*vif
)
2085 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2086 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2090 * iwl_mvm_mac_ctxt_add() might read directly from the device
2091 * (the system time), so make sure it is available.
2093 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_START_AP
);
2097 mutex_lock(&mvm
->mutex
);
2099 /* Send the beacon template */
2100 ret
= iwl_mvm_mac_ctxt_beacon_changed(mvm
, vif
);
2105 * Re-calculate the tsf id, as the master-slave relations depend on the
2106 * beacon interval, which was not known when the AP interface was added.
2108 if (vif
->type
== NL80211_IFTYPE_AP
)
2109 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm
, vif
);
2111 mvmvif
->ap_assoc_sta_count
= 0;
2113 /* Add the mac context */
2114 ret
= iwl_mvm_mac_ctxt_add(mvm
, vif
);
2118 /* Perform the binding */
2119 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
2123 ret
= iwl_mvm_add_mcast_sta(mvm
, vif
);
2127 /* Send the bcast station. At this stage the TBTT and DTIM time events
2128 * are added and applied to the scheduler */
2129 ret
= iwl_mvm_send_add_bcast_sta(mvm
, vif
);
2133 /* must be set before quota calculations */
2134 mvmvif
->ap_ibss_active
= true;
2136 /* power updated needs to be done before quotas */
2137 iwl_mvm_power_update_mac(mvm
);
2139 ret
= iwl_mvm_update_quotas(mvm
, false, NULL
);
2141 goto out_quota_failed
;
2143 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
2144 if (vif
->p2p
&& mvm
->p2p_device_vif
)
2145 iwl_mvm_mac_ctxt_changed(mvm
, mvm
->p2p_device_vif
, false, NULL
);
2147 iwl_mvm_ref(mvm
, IWL_MVM_REF_AP_IBSS
);
2149 iwl_mvm_bt_coex_vif_change(mvm
);
2151 /* we don't support TDLS during DCM */
2152 if (iwl_mvm_phy_ctx_count(mvm
) > 1)
2153 iwl_mvm_teardown_tdls_peers(mvm
);
2158 iwl_mvm_power_update_mac(mvm
);
2159 mvmvif
->ap_ibss_active
= false;
2160 iwl_mvm_send_rm_bcast_sta(mvm
, vif
);
2162 iwl_mvm_rm_mcast_sta(mvm
, vif
);
2164 iwl_mvm_binding_remove_vif(mvm
, vif
);
2166 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
2168 mutex_unlock(&mvm
->mutex
);
2169 iwl_mvm_unref(mvm
, IWL_MVM_REF_START_AP
);
2173 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw
*hw
,
2174 struct ieee80211_vif
*vif
)
2176 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2177 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2179 iwl_mvm_prepare_mac_removal(mvm
, vif
);
2181 mutex_lock(&mvm
->mutex
);
2183 /* Handle AP stop while in CSA */
2184 if (rcu_access_pointer(mvm
->csa_vif
) == vif
) {
2185 iwl_mvm_remove_time_event(mvm
, mvmvif
,
2186 &mvmvif
->time_event_data
);
2187 RCU_INIT_POINTER(mvm
->csa_vif
, NULL
);
2188 mvmvif
->csa_countdown
= false;
2191 if (rcu_access_pointer(mvm
->csa_tx_blocked_vif
) == vif
) {
2192 RCU_INIT_POINTER(mvm
->csa_tx_blocked_vif
, NULL
);
2193 mvm
->csa_tx_block_bcn_timeout
= 0;
2196 mvmvif
->ap_ibss_active
= false;
2197 mvm
->ap_last_beacon_gp2
= 0;
2199 iwl_mvm_bt_coex_vif_change(mvm
);
2201 iwl_mvm_unref(mvm
, IWL_MVM_REF_AP_IBSS
);
2203 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
2204 if (vif
->p2p
&& mvm
->p2p_device_vif
)
2205 iwl_mvm_mac_ctxt_changed(mvm
, mvm
->p2p_device_vif
, false, NULL
);
2207 iwl_mvm_update_quotas(mvm
, false, NULL
);
2210 * This is not very nice, but the simplest:
2211 * For older FWs removing the mcast sta before the bcast station may
2212 * cause assert 0x2b00.
2213 * This is fixed in later FW (which will stop beaconing when removing
2215 * So make the order of removal depend on the TLV
2217 if (!fw_has_api(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_API_STA_TYPE
))
2218 iwl_mvm_rm_mcast_sta(mvm
, vif
);
2219 iwl_mvm_send_rm_bcast_sta(mvm
, vif
);
2220 if (fw_has_api(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_API_STA_TYPE
))
2221 iwl_mvm_rm_mcast_sta(mvm
, vif
);
2222 iwl_mvm_binding_remove_vif(mvm
, vif
);
2224 iwl_mvm_power_update_mac(mvm
);
2226 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
2228 mutex_unlock(&mvm
->mutex
);
2232 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm
*mvm
,
2233 struct ieee80211_vif
*vif
,
2234 struct ieee80211_bss_conf
*bss_conf
,
2237 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2239 /* Changes will be applied when the AP/IBSS is started */
2240 if (!mvmvif
->ap_ibss_active
)
2243 if (changes
& (BSS_CHANGED_ERP_CTS_PROT
| BSS_CHANGED_HT
|
2244 BSS_CHANGED_BANDWIDTH
| BSS_CHANGED_QOS
) &&
2245 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
))
2246 IWL_ERR(mvm
, "failed to update MAC %pM\n", vif
->addr
);
2248 /* Need to send a new beacon template to the FW */
2249 if (changes
& BSS_CHANGED_BEACON
&&
2250 iwl_mvm_mac_ctxt_beacon_changed(mvm
, vif
))
2251 IWL_WARN(mvm
, "Failed updating beacon data\n");
2253 if (changes
& BSS_CHANGED_TXPOWER
) {
2254 IWL_DEBUG_CALIB(mvm
, "Changing TX Power to %d\n",
2256 iwl_mvm_set_tx_power(mvm
, vif
, bss_conf
->txpower
);
2260 static void iwl_mvm_bss_info_changed(struct ieee80211_hw
*hw
,
2261 struct ieee80211_vif
*vif
,
2262 struct ieee80211_bss_conf
*bss_conf
,
2265 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2268 * iwl_mvm_bss_info_changed_station() might call
2269 * iwl_mvm_protect_session(), which reads directly from
2270 * the device (the system time), so make sure it is available.
2272 if (iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_BSS_CHANGED
))
2275 mutex_lock(&mvm
->mutex
);
2277 if (changes
& BSS_CHANGED_IDLE
&& !bss_conf
->idle
)
2278 iwl_mvm_scan_stop(mvm
, IWL_MVM_SCAN_SCHED
, true);
2280 switch (vif
->type
) {
2281 case NL80211_IFTYPE_STATION
:
2282 iwl_mvm_bss_info_changed_station(mvm
, vif
, bss_conf
, changes
);
2284 case NL80211_IFTYPE_AP
:
2285 case NL80211_IFTYPE_ADHOC
:
2286 iwl_mvm_bss_info_changed_ap_ibss(mvm
, vif
, bss_conf
, changes
);
2288 case NL80211_IFTYPE_MONITOR
:
2289 if (changes
& BSS_CHANGED_MU_GROUPS
)
2290 iwl_mvm_update_mu_groups(mvm
, vif
);
2293 /* shouldn't happen */
2297 mutex_unlock(&mvm
->mutex
);
2298 iwl_mvm_unref(mvm
, IWL_MVM_REF_BSS_CHANGED
);
2301 static int iwl_mvm_mac_hw_scan(struct ieee80211_hw
*hw
,
2302 struct ieee80211_vif
*vif
,
2303 struct ieee80211_scan_request
*hw_req
)
2305 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2308 if (hw_req
->req
.n_channels
== 0 ||
2309 hw_req
->req
.n_channels
> mvm
->fw
->ucode_capa
.n_scan_channels
)
2312 mutex_lock(&mvm
->mutex
);
2313 ret
= iwl_mvm_reg_scan_start(mvm
, vif
, &hw_req
->req
, &hw_req
->ies
);
2314 mutex_unlock(&mvm
->mutex
);
2319 static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw
*hw
,
2320 struct ieee80211_vif
*vif
)
2322 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2324 mutex_lock(&mvm
->mutex
);
2326 /* Due to a race condition, it's possible that mac80211 asks
2327 * us to stop a hw_scan when it's already stopped. This can
2328 * happen, for instance, if we stopped the scan ourselves,
2329 * called ieee80211_scan_completed() and the userspace called
2330 * cancel scan scan before ieee80211_scan_work() could run.
2331 * To handle that, simply return if the scan is not running.
2333 if (mvm
->scan_status
& IWL_MVM_SCAN_REGULAR
)
2334 iwl_mvm_scan_stop(mvm
, IWL_MVM_SCAN_REGULAR
, true);
2336 mutex_unlock(&mvm
->mutex
);
2340 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw
*hw
,
2341 struct ieee80211_sta
*sta
, u16 tids
,
2343 enum ieee80211_frame_release_type reason
,
2346 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2348 /* Called when we need to transmit (a) frame(s) from mac80211 */
2350 iwl_mvm_sta_modify_sleep_tx_count(mvm
, sta
, reason
, num_frames
,
2351 tids
, more_data
, false);
2355 iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw
*hw
,
2356 struct ieee80211_sta
*sta
, u16 tids
,
2358 enum ieee80211_frame_release_type reason
,
2361 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2363 /* Called when we need to transmit (a) frame(s) from agg or dqa queue */
2365 iwl_mvm_sta_modify_sleep_tx_count(mvm
, sta
, reason
, num_frames
,
2366 tids
, more_data
, true);
2369 static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw
*hw
,
2370 enum sta_notify_cmd cmd
,
2371 struct ieee80211_sta
*sta
)
2373 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2374 struct iwl_mvm_sta
*mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
2375 unsigned long txqs
= 0, tids
= 0;
2379 * If we have TVQM then we get too high queue numbers - luckily
2380 * we really shouldn't get here with that because such hardware
2381 * should have firmware supporting buffer station offload.
2383 if (WARN_ON(iwl_mvm_has_new_tx_api(mvm
)))
2386 spin_lock_bh(&mvmsta
->lock
);
2387 for (tid
= 0; tid
< IWL_MAX_TID_COUNT
; tid
++) {
2388 struct iwl_mvm_tid_data
*tid_data
= &mvmsta
->tid_data
[tid
];
2390 if (tid_data
->txq_id
== IWL_MVM_INVALID_QUEUE
)
2393 __set_bit(tid_data
->txq_id
, &txqs
);
2395 if (iwl_mvm_tid_queued(mvm
, tid_data
) == 0)
2398 __set_bit(tid
, &tids
);
2402 case STA_NOTIFY_SLEEP
:
2403 for_each_set_bit(tid
, &tids
, IWL_MAX_TID_COUNT
)
2404 ieee80211_sta_set_buffered(sta
, tid
, true);
2407 iwl_trans_freeze_txq_timer(mvm
->trans
, txqs
, true);
2409 * The fw updates the STA to be asleep. Tx packets on the Tx
2410 * queues to this station will not be transmitted. The fw will
2411 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
2414 case STA_NOTIFY_AWAKE
:
2415 if (WARN_ON(mvmsta
->sta_id
== IWL_MVM_INVALID_STA
))
2419 iwl_trans_freeze_txq_timer(mvm
->trans
, txqs
, false);
2420 iwl_mvm_sta_modify_ps_wake(mvm
, sta
);
2425 spin_unlock_bh(&mvmsta
->lock
);
2428 static void iwl_mvm_mac_sta_notify(struct ieee80211_hw
*hw
,
2429 struct ieee80211_vif
*vif
,
2430 enum sta_notify_cmd cmd
,
2431 struct ieee80211_sta
*sta
)
2433 __iwl_mvm_mac_sta_notify(hw
, cmd
, sta
);
2436 void iwl_mvm_sta_pm_notif(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
)
2438 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
2439 struct iwl_mvm_pm_state_notification
*notif
= (void *)pkt
->data
;
2440 struct ieee80211_sta
*sta
;
2441 struct iwl_mvm_sta
*mvmsta
;
2442 bool sleeping
= (notif
->type
!= IWL_MVM_PM_EVENT_AWAKE
);
2444 if (WARN_ON(notif
->sta_id
>= ARRAY_SIZE(mvm
->fw_id_to_mac_id
)))
2448 sta
= rcu_dereference(mvm
->fw_id_to_mac_id
[notif
->sta_id
]);
2449 if (WARN_ON(IS_ERR_OR_NULL(sta
))) {
2454 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
2457 mvmsta
->vif
->type
!= NL80211_IFTYPE_AP
) {
2462 if (mvmsta
->sleeping
!= sleeping
) {
2463 mvmsta
->sleeping
= sleeping
;
2464 __iwl_mvm_mac_sta_notify(mvm
->hw
,
2465 sleeping
? STA_NOTIFY_SLEEP
: STA_NOTIFY_AWAKE
,
2467 ieee80211_sta_ps_transition(sta
, sleeping
);
2471 switch (notif
->type
) {
2472 case IWL_MVM_PM_EVENT_AWAKE
:
2473 case IWL_MVM_PM_EVENT_ASLEEP
:
2475 case IWL_MVM_PM_EVENT_UAPSD
:
2476 ieee80211_sta_uapsd_trigger(sta
, IEEE80211_NUM_TIDS
);
2478 case IWL_MVM_PM_EVENT_PS_POLL
:
2479 ieee80211_sta_pspoll(sta
);
2489 static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw
*hw
,
2490 struct ieee80211_vif
*vif
,
2491 struct ieee80211_sta
*sta
)
2493 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2494 struct iwl_mvm_sta
*mvm_sta
= iwl_mvm_sta_from_mac80211(sta
);
2497 * This is called before mac80211 does RCU synchronisation,
2498 * so here we already invalidate our internal RCU-protected
2499 * station pointer. The rest of the code will thus no longer
2500 * be able to find the station this way, and we don't rely
2501 * on further RCU synchronisation after the sta_state()
2502 * callback deleted the station.
2504 mutex_lock(&mvm
->mutex
);
2505 if (sta
== rcu_access_pointer(mvm
->fw_id_to_mac_id
[mvm_sta
->sta_id
]))
2506 rcu_assign_pointer(mvm
->fw_id_to_mac_id
[mvm_sta
->sta_id
],
2509 mutex_unlock(&mvm
->mutex
);
2512 static void iwl_mvm_check_uapsd(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
2515 if (!(mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT
))
2518 if (vif
->p2p
&& !iwl_mvm_is_p2p_scm_uapsd_supported(mvm
)) {
2519 vif
->driver_flags
&= ~IEEE80211_VIF_SUPPORTS_UAPSD
;
2524 (iwlwifi_mod_params
.uapsd_disable
& IWL_DISABLE_UAPSD_BSS
)) {
2525 vif
->driver_flags
&= ~IEEE80211_VIF_SUPPORTS_UAPSD
;
2529 vif
->driver_flags
|= IEEE80211_VIF_SUPPORTS_UAPSD
;
2533 iwl_mvm_tdls_check_trigger(struct iwl_mvm
*mvm
,
2534 struct ieee80211_vif
*vif
, u8
*peer_addr
,
2535 enum nl80211_tdls_operation action
)
2537 struct iwl_fw_dbg_trigger_tlv
*trig
;
2538 struct iwl_fw_dbg_trigger_tdls
*tdls_trig
;
2540 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_TDLS
))
2543 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_TDLS
);
2544 tdls_trig
= (void *)trig
->data
;
2545 if (!iwl_fw_dbg_trigger_check_stop(&mvm
->fwrt
,
2546 ieee80211_vif_to_wdev(vif
), trig
))
2549 if (!(tdls_trig
->action_bitmap
& BIT(action
)))
2552 if (tdls_trig
->peer_mode
&&
2553 memcmp(tdls_trig
->peer
, peer_addr
, ETH_ALEN
) != 0)
2556 iwl_fw_dbg_collect_trig(&mvm
->fwrt
, trig
,
2557 "TDLS event occurred, peer %pM, action %d",
2561 static void iwl_mvm_purge_deferred_tx_frames(struct iwl_mvm
*mvm
,
2562 struct iwl_mvm_sta
*mvm_sta
)
2564 struct iwl_mvm_tid_data
*tid_data
;
2565 struct sk_buff
*skb
;
2568 spin_lock_bh(&mvm_sta
->lock
);
2569 for (i
= 0; i
<= IWL_MAX_TID_COUNT
; i
++) {
2570 tid_data
= &mvm_sta
->tid_data
[i
];
2572 while ((skb
= __skb_dequeue(&tid_data
->deferred_tx_frames
))) {
2573 struct ieee80211_tx_info
*info
= IEEE80211_SKB_CB(skb
);
2576 * The first deferred frame should've stopped the MAC
2577 * queues, so we should never get a second deferred
2578 * frame for the RA/TID.
2580 iwl_mvm_start_mac_queues(mvm
, BIT(info
->hw_queue
));
2581 ieee80211_free_txskb(mvm
->hw
, skb
);
2584 spin_unlock_bh(&mvm_sta
->lock
);
2587 static int iwl_mvm_mac_sta_state(struct ieee80211_hw
*hw
,
2588 struct ieee80211_vif
*vif
,
2589 struct ieee80211_sta
*sta
,
2590 enum ieee80211_sta_state old_state
,
2591 enum ieee80211_sta_state new_state
)
2593 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2594 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2595 struct iwl_mvm_sta
*mvm_sta
= iwl_mvm_sta_from_mac80211(sta
);
2598 IWL_DEBUG_MAC80211(mvm
, "station %pM state change %d->%d\n",
2599 sta
->addr
, old_state
, new_state
);
2601 /* this would be a mac80211 bug ... but don't crash */
2602 if (WARN_ON_ONCE(!mvmvif
->phy_ctxt
))
2606 * If we are in a STA removal flow and in DQA mode:
2608 * This is after the sync_rcu part, so the queues have already been
2609 * flushed. No more TXs on their way in mac80211's path, and no more in
2611 * Also, we won't be getting any new TX frames for this station.
2612 * What we might have are deferred TX frames that need to be taken care
2615 * Drop any still-queued deferred-frame before removing the STA, and
2616 * make sure the worker is no longer handling frames for this STA.
2618 if (old_state
== IEEE80211_STA_NONE
&&
2619 new_state
== IEEE80211_STA_NOTEXIST
) {
2620 iwl_mvm_purge_deferred_tx_frames(mvm
, mvm_sta
);
2621 flush_work(&mvm
->add_stream_wk
);
2624 * No need to make sure deferred TX indication is off since the
2625 * worker will already remove it if it was on
2629 mutex_lock(&mvm
->mutex
);
2630 /* track whether or not the station is associated */
2631 mvm_sta
->associated
= new_state
>= IEEE80211_STA_ASSOC
;
2633 if (old_state
== IEEE80211_STA_NOTEXIST
&&
2634 new_state
== IEEE80211_STA_NONE
) {
2636 * Firmware bug - it'll crash if the beacon interval is less
2637 * than 16. We can't avoid connecting at all, so refuse the
2638 * station state change, this will cause mac80211 to abandon
2639 * attempts to connect to this AP, and eventually wpa_s will
2640 * blacklist the AP...
2642 if (vif
->type
== NL80211_IFTYPE_STATION
&&
2643 vif
->bss_conf
.beacon_int
< 16) {
2645 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
2646 sta
->addr
, vif
->bss_conf
.beacon_int
);
2653 iwl_mvm_tdls_sta_count(mvm
, NULL
) ==
2654 IWL_MVM_TDLS_STA_COUNT
||
2655 iwl_mvm_phy_ctx_count(mvm
) > 1)) {
2656 IWL_DEBUG_MAC80211(mvm
, "refusing TDLS sta\n");
2661 ret
= iwl_mvm_add_sta(mvm
, vif
, sta
);
2662 if (sta
->tdls
&& ret
== 0) {
2663 iwl_mvm_recalc_tdls_state(mvm
, vif
, true);
2664 iwl_mvm_tdls_check_trigger(mvm
, vif
, sta
->addr
,
2665 NL80211_TDLS_SETUP
);
2667 } else if (old_state
== IEEE80211_STA_NONE
&&
2668 new_state
== IEEE80211_STA_AUTH
) {
2670 * EBS may be disabled due to previous failures reported by FW.
2671 * Reset EBS status here assuming environment has been changed.
2673 mvm
->last_ebs_successful
= true;
2674 iwl_mvm_check_uapsd(mvm
, vif
, sta
->addr
);
2676 } else if (old_state
== IEEE80211_STA_AUTH
&&
2677 new_state
== IEEE80211_STA_ASSOC
) {
2678 if (vif
->type
== NL80211_IFTYPE_AP
) {
2679 mvmvif
->ap_assoc_sta_count
++;
2680 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
2683 iwl_mvm_rs_rate_init(mvm
, sta
, mvmvif
->phy_ctxt
->channel
->band
,
2685 ret
= iwl_mvm_update_sta(mvm
, vif
, sta
);
2686 } else if (old_state
== IEEE80211_STA_ASSOC
&&
2687 new_state
== IEEE80211_STA_AUTHORIZED
) {
2689 /* we don't support TDLS during DCM */
2690 if (iwl_mvm_phy_ctx_count(mvm
) > 1)
2691 iwl_mvm_teardown_tdls_peers(mvm
);
2694 iwl_mvm_tdls_check_trigger(mvm
, vif
, sta
->addr
,
2695 NL80211_TDLS_ENABLE_LINK
);
2697 /* enable beacon filtering */
2698 WARN_ON(iwl_mvm_enable_beacon_filter(mvm
, vif
, 0));
2700 } else if (old_state
== IEEE80211_STA_AUTHORIZED
&&
2701 new_state
== IEEE80211_STA_ASSOC
) {
2702 /* disable beacon filtering */
2703 WARN_ON(iwl_mvm_disable_beacon_filter(mvm
, vif
, 0));
2705 } else if (old_state
== IEEE80211_STA_ASSOC
&&
2706 new_state
== IEEE80211_STA_AUTH
) {
2707 if (vif
->type
== NL80211_IFTYPE_AP
) {
2708 mvmvif
->ap_assoc_sta_count
--;
2709 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
2712 } else if (old_state
== IEEE80211_STA_AUTH
&&
2713 new_state
== IEEE80211_STA_NONE
) {
2715 } else if (old_state
== IEEE80211_STA_NONE
&&
2716 new_state
== IEEE80211_STA_NOTEXIST
) {
2717 ret
= iwl_mvm_rm_sta(mvm
, vif
, sta
);
2719 iwl_mvm_recalc_tdls_state(mvm
, vif
, false);
2720 iwl_mvm_tdls_check_trigger(mvm
, vif
, sta
->addr
,
2721 NL80211_TDLS_DISABLE_LINK
);
2727 mutex_unlock(&mvm
->mutex
);
2729 if (sta
->tdls
&& ret
== 0) {
2730 if (old_state
== IEEE80211_STA_NOTEXIST
&&
2731 new_state
== IEEE80211_STA_NONE
)
2732 ieee80211_reserve_tid(sta
, IWL_MVM_TDLS_FW_TID
);
2733 else if (old_state
== IEEE80211_STA_NONE
&&
2734 new_state
== IEEE80211_STA_NOTEXIST
)
2735 ieee80211_unreserve_tid(sta
, IWL_MVM_TDLS_FW_TID
);
2741 static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw
*hw
, u32 value
)
2743 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2745 mvm
->rts_threshold
= value
;
2750 static void iwl_mvm_sta_rc_update(struct ieee80211_hw
*hw
,
2751 struct ieee80211_vif
*vif
,
2752 struct ieee80211_sta
*sta
, u32 changed
)
2754 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2756 if (vif
->type
== NL80211_IFTYPE_STATION
&&
2757 changed
& IEEE80211_RC_NSS_CHANGED
)
2758 iwl_mvm_sf_update(mvm
, vif
, false);
2761 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw
*hw
,
2762 struct ieee80211_vif
*vif
, u16 ac
,
2763 const struct ieee80211_tx_queue_params
*params
)
2765 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2766 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2768 mvmvif
->queue_params
[ac
] = *params
;
2771 * No need to update right away, we'll get BSS_CHANGED_QOS
2772 * The exception is P2P_DEVICE interface which needs immediate update.
2774 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
2777 mutex_lock(&mvm
->mutex
);
2778 ret
= iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
2779 mutex_unlock(&mvm
->mutex
);
2785 static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw
*hw
,
2786 struct ieee80211_vif
*vif
)
2788 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2789 u32 duration
= IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS
;
2790 u32 min_duration
= IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS
;
2792 if (WARN_ON_ONCE(vif
->bss_conf
.assoc
))
2796 * iwl_mvm_protect_session() reads directly from the device
2797 * (the system time), so make sure it is available.
2799 if (iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_PREPARE_TX
))
2802 mutex_lock(&mvm
->mutex
);
2803 /* Try really hard to protect the session and hear a beacon */
2804 iwl_mvm_protect_session(mvm
, vif
, duration
, min_duration
, 500, false);
2805 mutex_unlock(&mvm
->mutex
);
2807 iwl_mvm_unref(mvm
, IWL_MVM_REF_PREPARE_TX
);
2810 static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw
*hw
,
2811 struct ieee80211_vif
*vif
,
2812 struct cfg80211_sched_scan_request
*req
,
2813 struct ieee80211_scan_ies
*ies
)
2815 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2819 mutex_lock(&mvm
->mutex
);
2821 if (!vif
->bss_conf
.idle
) {
2826 ret
= iwl_mvm_sched_scan_start(mvm
, vif
, req
, ies
, IWL_MVM_SCAN_SCHED
);
2829 mutex_unlock(&mvm
->mutex
);
2833 static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw
*hw
,
2834 struct ieee80211_vif
*vif
)
2836 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2839 mutex_lock(&mvm
->mutex
);
2841 /* Due to a race condition, it's possible that mac80211 asks
2842 * us to stop a sched_scan when it's already stopped. This
2843 * can happen, for instance, if we stopped the scan ourselves,
2844 * called ieee80211_sched_scan_stopped() and the userspace called
2845 * stop sched scan scan before ieee80211_sched_scan_stopped_work()
2846 * could run. To handle this, simply return if the scan is
2849 if (!(mvm
->scan_status
& IWL_MVM_SCAN_SCHED
)) {
2850 mutex_unlock(&mvm
->mutex
);
2854 ret
= iwl_mvm_scan_stop(mvm
, IWL_MVM_SCAN_SCHED
, false);
2855 mutex_unlock(&mvm
->mutex
);
2856 iwl_mvm_wait_for_async_handlers(mvm
);
2861 static int iwl_mvm_mac_set_key(struct ieee80211_hw
*hw
,
2862 enum set_key_cmd cmd
,
2863 struct ieee80211_vif
*vif
,
2864 struct ieee80211_sta
*sta
,
2865 struct ieee80211_key_conf
*key
)
2867 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2868 struct iwl_mvm_sta
*mvmsta
;
2869 struct iwl_mvm_key_pn
*ptk_pn
;
2870 int keyidx
= key
->keyidx
;
2874 if (iwlwifi_mod_params
.swcrypto
) {
2875 IWL_DEBUG_MAC80211(mvm
, "leave - hwcrypto disabled\n");
2879 switch (key
->cipher
) {
2880 case WLAN_CIPHER_SUITE_TKIP
:
2881 key
->flags
|= IEEE80211_KEY_FLAG_GENERATE_MMIC
;
2882 key
->flags
|= IEEE80211_KEY_FLAG_PUT_IV_SPACE
;
2884 case WLAN_CIPHER_SUITE_CCMP
:
2885 case WLAN_CIPHER_SUITE_GCMP
:
2886 case WLAN_CIPHER_SUITE_GCMP_256
:
2887 if (!iwl_mvm_has_new_tx_api(mvm
))
2888 key
->flags
|= IEEE80211_KEY_FLAG_PUT_IV_SPACE
;
2890 case WLAN_CIPHER_SUITE_AES_CMAC
:
2891 case WLAN_CIPHER_SUITE_BIP_GMAC_128
:
2892 case WLAN_CIPHER_SUITE_BIP_GMAC_256
:
2893 WARN_ON_ONCE(!ieee80211_hw_check(hw
, MFP_CAPABLE
));
2895 case WLAN_CIPHER_SUITE_WEP40
:
2896 case WLAN_CIPHER_SUITE_WEP104
:
2897 /* For non-client mode, only use WEP keys for TX as we probably
2898 * don't have a station yet anyway and would then have to keep
2899 * track of the keys, linking them to each of the clients/peers
2900 * as they appear. For now, don't do that, for performance WEP
2901 * offload doesn't really matter much, but we need it for some
2902 * other offload features in client mode.
2904 if (vif
->type
!= NL80211_IFTYPE_STATION
)
2908 /* currently FW supports only one optional cipher scheme */
2909 if (hw
->n_cipher_schemes
&&
2910 hw
->cipher_schemes
->cipher
== key
->cipher
)
2911 key
->flags
|= IEEE80211_KEY_FLAG_PUT_IV_SPACE
;
2916 mutex_lock(&mvm
->mutex
);
2920 if ((vif
->type
== NL80211_IFTYPE_ADHOC
||
2921 vif
->type
== NL80211_IFTYPE_AP
) && !sta
) {
2923 * GTK on AP interface is a TX-only key, return 0;
2924 * on IBSS they're per-station and because we're lazy
2925 * we don't support them for RX, so do the same.
2926 * CMAC/GMAC in AP/IBSS modes must be done in software.
2928 if (key
->cipher
== WLAN_CIPHER_SUITE_AES_CMAC
||
2929 key
->cipher
== WLAN_CIPHER_SUITE_BIP_GMAC_128
||
2930 key
->cipher
== WLAN_CIPHER_SUITE_BIP_GMAC_256
)
2935 if (key
->cipher
!= WLAN_CIPHER_SUITE_GCMP
&&
2936 key
->cipher
!= WLAN_CIPHER_SUITE_GCMP_256
&&
2937 !iwl_mvm_has_new_tx_api(mvm
)) {
2938 key
->hw_key_idx
= STA_KEY_IDX_INVALID
;
2943 /* During FW restart, in order to restore the state as it was,
2944 * don't try to reprogram keys we previously failed for.
2946 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
) &&
2947 key
->hw_key_idx
== STA_KEY_IDX_INVALID
) {
2948 IWL_DEBUG_MAC80211(mvm
,
2949 "skip invalid idx key programming during restart\n");
2954 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
) &&
2955 sta
&& iwl_mvm_has_new_rx_api(mvm
) &&
2956 key
->flags
& IEEE80211_KEY_FLAG_PAIRWISE
&&
2957 (key
->cipher
== WLAN_CIPHER_SUITE_CCMP
||
2958 key
->cipher
== WLAN_CIPHER_SUITE_GCMP
||
2959 key
->cipher
== WLAN_CIPHER_SUITE_GCMP_256
)) {
2960 struct ieee80211_key_seq seq
;
2963 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
2964 WARN_ON(rcu_access_pointer(mvmsta
->ptk_pn
[keyidx
]));
2965 ptk_pn
= kzalloc(sizeof(*ptk_pn
) +
2966 mvm
->trans
->num_rx_queues
*
2967 sizeof(ptk_pn
->q
[0]),
2974 for (tid
= 0; tid
< IWL_MAX_TID_COUNT
; tid
++) {
2975 ieee80211_get_key_rx_seq(key
, tid
, &seq
);
2976 for (q
= 0; q
< mvm
->trans
->num_rx_queues
; q
++)
2977 memcpy(ptk_pn
->q
[q
].pn
[tid
],
2979 IEEE80211_CCMP_PN_LEN
);
2982 rcu_assign_pointer(mvmsta
->ptk_pn
[keyidx
], ptk_pn
);
2985 /* in HW restart reuse the index, otherwise request a new one */
2986 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
))
2987 key_offset
= key
->hw_key_idx
;
2989 key_offset
= STA_KEY_IDX_INVALID
;
2991 IWL_DEBUG_MAC80211(mvm
, "set hwcrypto key\n");
2992 ret
= iwl_mvm_set_sta_key(mvm
, vif
, sta
, key
, key_offset
);
2994 IWL_WARN(mvm
, "set key failed\n");
2996 * can't add key for RX, but we don't need it
2997 * in the device for TX so still return 0
2999 key
->hw_key_idx
= STA_KEY_IDX_INVALID
;
3005 if (key
->hw_key_idx
== STA_KEY_IDX_INVALID
) {
3010 if (sta
&& iwl_mvm_has_new_rx_api(mvm
) &&
3011 key
->flags
& IEEE80211_KEY_FLAG_PAIRWISE
&&
3012 (key
->cipher
== WLAN_CIPHER_SUITE_CCMP
||
3013 key
->cipher
== WLAN_CIPHER_SUITE_GCMP
||
3014 key
->cipher
== WLAN_CIPHER_SUITE_GCMP_256
)) {
3015 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
3016 ptk_pn
= rcu_dereference_protected(
3017 mvmsta
->ptk_pn
[keyidx
],
3018 lockdep_is_held(&mvm
->mutex
));
3019 RCU_INIT_POINTER(mvmsta
->ptk_pn
[keyidx
], NULL
);
3021 kfree_rcu(ptk_pn
, rcu_head
);
3024 IWL_DEBUG_MAC80211(mvm
, "disable hwcrypto key\n");
3025 ret
= iwl_mvm_remove_sta_key(mvm
, vif
, sta
, key
);
3031 mutex_unlock(&mvm
->mutex
);
3035 static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw
*hw
,
3036 struct ieee80211_vif
*vif
,
3037 struct ieee80211_key_conf
*keyconf
,
3038 struct ieee80211_sta
*sta
,
3039 u32 iv32
, u16
*phase1key
)
3041 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3043 if (keyconf
->hw_key_idx
== STA_KEY_IDX_INVALID
)
3046 iwl_mvm_update_tkip_key(mvm
, vif
, keyconf
, sta
, iv32
, phase1key
);
3050 static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data
*notif_wait
,
3051 struct iwl_rx_packet
*pkt
, void *data
)
3053 struct iwl_mvm
*mvm
=
3054 container_of(notif_wait
, struct iwl_mvm
, notif_wait
);
3055 struct iwl_hs20_roc_res
*resp
;
3056 int resp_len
= iwl_rx_packet_payload_len(pkt
);
3057 struct iwl_mvm_time_event_data
*te_data
= data
;
3059 if (WARN_ON(pkt
->hdr
.cmd
!= HOT_SPOT_CMD
))
3062 if (WARN_ON_ONCE(resp_len
!= sizeof(*resp
))) {
3063 IWL_ERR(mvm
, "Invalid HOT_SPOT_CMD response\n");
3067 resp
= (void *)pkt
->data
;
3070 "Aux ROC: Recieved response from ucode: status=%d uid=%d\n",
3071 resp
->status
, resp
->event_unique_id
);
3073 te_data
->uid
= le32_to_cpu(resp
->event_unique_id
);
3074 IWL_DEBUG_TE(mvm
, "TIME_EVENT_CMD response - UID = 0x%x\n",
3077 spin_lock_bh(&mvm
->time_event_lock
);
3078 list_add_tail(&te_data
->list
, &mvm
->aux_roc_te_list
);
3079 spin_unlock_bh(&mvm
->time_event_lock
);
3084 #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100)
3085 #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200)
3086 #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600)
3087 #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20)
3088 #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10)
3089 static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm
*mvm
,
3090 struct ieee80211_channel
*channel
,
3091 struct ieee80211_vif
*vif
,
3094 int res
, time_reg
= DEVICE_SYSTEM_TIME_REG
;
3095 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3096 struct iwl_mvm_time_event_data
*te_data
= &mvmvif
->hs_time_event_data
;
3097 static const u16 time_event_response
[] = { HOT_SPOT_CMD
};
3098 struct iwl_notification_wait wait_time_event
;
3099 u32 dtim_interval
= vif
->bss_conf
.dtim_period
*
3100 vif
->bss_conf
.beacon_int
;
3102 struct iwl_hs20_roc_req aux_roc_req
= {
3103 .action
= cpu_to_le32(FW_CTXT_ACTION_ADD
),
3105 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX
, 0)),
3106 .sta_id_and_color
= cpu_to_le32(mvm
->aux_sta
.sta_id
),
3107 /* Set the channel info data */
3108 .channel_info
.band
= (channel
->band
== NL80211_BAND_2GHZ
) ?
3109 PHY_BAND_24
: PHY_BAND_5
,
3110 .channel_info
.channel
= channel
->hw_value
,
3111 .channel_info
.width
= PHY_VHT_CHANNEL_MODE20
,
3112 /* Set the time and duration */
3113 .apply_time
= cpu_to_le32(iwl_read_prph(mvm
->trans
, time_reg
)),
3116 delay
= AUX_ROC_MIN_DELAY
;
3117 req_dur
= MSEC_TO_TU(duration
);
3120 * If we are associated we want the delay time to be at least one
3121 * dtim interval so that the FW can wait until after the DTIM and
3122 * then start the time event, this will potentially allow us to
3123 * remain off-channel for the max duration.
3124 * Since we want to use almost a whole dtim interval we would also
3125 * like the delay to be for 2-3 dtim intervals, in case there are
3126 * other time events with higher priority.
3128 if (vif
->bss_conf
.assoc
) {
3129 delay
= min_t(u32
, dtim_interval
* 3, AUX_ROC_MAX_DELAY
);
3130 /* We cannot remain off-channel longer than the DTIM interval */
3131 if (dtim_interval
<= req_dur
) {
3132 req_dur
= dtim_interval
- AUX_ROC_SAFETY_BUFFER
;
3133 if (req_dur
<= AUX_ROC_MIN_DURATION
)
3134 req_dur
= dtim_interval
-
3135 AUX_ROC_MIN_SAFETY_BUFFER
;
3139 aux_roc_req
.duration
= cpu_to_le32(req_dur
);
3140 aux_roc_req
.apply_time_max_delay
= cpu_to_le32(delay
);
3143 "ROC: Requesting to remain on channel %u for %ums (requested = %ums, max_delay = %ums, dtim_interval = %ums)\n",
3144 channel
->hw_value
, req_dur
, duration
, delay
,
3146 /* Set the node address */
3147 memcpy(aux_roc_req
.node_addr
, vif
->addr
, ETH_ALEN
);
3149 lockdep_assert_held(&mvm
->mutex
);
3151 spin_lock_bh(&mvm
->time_event_lock
);
3153 if (WARN_ON(te_data
->id
== HOT_SPOT_CMD
)) {
3154 spin_unlock_bh(&mvm
->time_event_lock
);
3159 te_data
->duration
= duration
;
3160 te_data
->id
= HOT_SPOT_CMD
;
3162 spin_unlock_bh(&mvm
->time_event_lock
);
3165 * Use a notification wait, which really just processes the
3166 * command response and doesn't wait for anything, in order
3167 * to be able to process the response and get the UID inside
3168 * the RX path. Using CMD_WANT_SKB doesn't work because it
3169 * stores the buffer and then wakes up this thread, by which
3170 * time another notification (that the time event started)
3171 * might already be processed unsuccessfully.
3173 iwl_init_notification_wait(&mvm
->notif_wait
, &wait_time_event
,
3174 time_event_response
,
3175 ARRAY_SIZE(time_event_response
),
3176 iwl_mvm_rx_aux_roc
, te_data
);
3178 res
= iwl_mvm_send_cmd_pdu(mvm
, HOT_SPOT_CMD
, 0, sizeof(aux_roc_req
),
3182 IWL_ERR(mvm
, "Couldn't send HOT_SPOT_CMD: %d\n", res
);
3183 iwl_remove_notification(&mvm
->notif_wait
, &wait_time_event
);
3187 /* No need to wait for anything, so just pass 1 (0 isn't valid) */
3188 res
= iwl_wait_notification(&mvm
->notif_wait
, &wait_time_event
, 1);
3189 /* should never fail */
3194 spin_lock_bh(&mvm
->time_event_lock
);
3195 iwl_mvm_te_clear_data(mvm
, te_data
);
3196 spin_unlock_bh(&mvm
->time_event_lock
);
3202 static int iwl_mvm_roc(struct ieee80211_hw
*hw
,
3203 struct ieee80211_vif
*vif
,
3204 struct ieee80211_channel
*channel
,
3206 enum ieee80211_roc_type type
)
3208 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3209 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3210 struct cfg80211_chan_def chandef
;
3211 struct iwl_mvm_phy_ctxt
*phy_ctxt
;
3214 IWL_DEBUG_MAC80211(mvm
, "enter (%d, %d, %d)\n", channel
->hw_value
,
3217 flush_work(&mvm
->roc_done_wk
);
3219 mutex_lock(&mvm
->mutex
);
3221 switch (vif
->type
) {
3222 case NL80211_IFTYPE_STATION
:
3223 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
3224 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT
)) {
3225 /* Use aux roc framework (HS20) */
3226 ret
= iwl_mvm_send_aux_roc_cmd(mvm
, channel
,
3230 IWL_ERR(mvm
, "hotspot not supported\n");
3233 case NL80211_IFTYPE_P2P_DEVICE
:
3237 IWL_ERR(mvm
, "vif isn't P2P_DEVICE: %d\n", vif
->type
);
3242 for (i
= 0; i
< NUM_PHY_CTX
; i
++) {
3243 phy_ctxt
= &mvm
->phy_ctxts
[i
];
3244 if (phy_ctxt
->ref
== 0 || mvmvif
->phy_ctxt
== phy_ctxt
)
3247 if (phy_ctxt
->ref
&& channel
== phy_ctxt
->channel
) {
3249 * Unbind the P2P_DEVICE from the current PHY context,
3250 * and if the PHY context is not used remove it.
3252 ret
= iwl_mvm_binding_remove_vif(mvm
, vif
);
3253 if (WARN(ret
, "Failed unbinding P2P_DEVICE\n"))
3256 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
3258 /* Bind the P2P_DEVICE to the current PHY Context */
3259 mvmvif
->phy_ctxt
= phy_ctxt
;
3261 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
3262 if (WARN(ret
, "Failed binding P2P_DEVICE\n"))
3265 iwl_mvm_phy_ctxt_ref(mvm
, mvmvif
->phy_ctxt
);
3266 goto schedule_time_event
;
3270 /* Need to update the PHY context only if the ROC channel changed */
3271 if (channel
== mvmvif
->phy_ctxt
->channel
)
3272 goto schedule_time_event
;
3274 cfg80211_chandef_create(&chandef
, channel
, NL80211_CHAN_NO_HT
);
3277 * Change the PHY context configuration as it is currently referenced
3278 * only by the P2P Device MAC
3280 if (mvmvif
->phy_ctxt
->ref
== 1) {
3281 ret
= iwl_mvm_phy_ctxt_changed(mvm
, mvmvif
->phy_ctxt
,
3287 * The PHY context is shared with other MACs. Need to remove the
3288 * P2P Device from the binding, allocate an new PHY context and
3289 * create a new binding
3291 phy_ctxt
= iwl_mvm_get_free_phy_ctxt(mvm
);
3297 ret
= iwl_mvm_phy_ctxt_changed(mvm
, phy_ctxt
, &chandef
,
3300 IWL_ERR(mvm
, "Failed to change PHY context\n");
3304 /* Unbind the P2P_DEVICE from the current PHY context */
3305 ret
= iwl_mvm_binding_remove_vif(mvm
, vif
);
3306 if (WARN(ret
, "Failed unbinding P2P_DEVICE\n"))
3309 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
3311 /* Bind the P2P_DEVICE to the new allocated PHY context */
3312 mvmvif
->phy_ctxt
= phy_ctxt
;
3314 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
3315 if (WARN(ret
, "Failed binding P2P_DEVICE\n"))
3318 iwl_mvm_phy_ctxt_ref(mvm
, mvmvif
->phy_ctxt
);
3321 schedule_time_event
:
3322 /* Schedule the time events */
3323 ret
= iwl_mvm_start_p2p_roc(mvm
, vif
, duration
, type
);
3326 mutex_unlock(&mvm
->mutex
);
3327 IWL_DEBUG_MAC80211(mvm
, "leave\n");
3331 static int iwl_mvm_cancel_roc(struct ieee80211_hw
*hw
)
3333 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3335 IWL_DEBUG_MAC80211(mvm
, "enter\n");
3337 mutex_lock(&mvm
->mutex
);
3338 iwl_mvm_stop_roc(mvm
);
3339 mutex_unlock(&mvm
->mutex
);
3341 IWL_DEBUG_MAC80211(mvm
, "leave\n");
3345 static int __iwl_mvm_add_chanctx(struct iwl_mvm
*mvm
,
3346 struct ieee80211_chanctx_conf
*ctx
)
3348 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
3349 struct iwl_mvm_phy_ctxt
*phy_ctxt
;
3352 lockdep_assert_held(&mvm
->mutex
);
3354 IWL_DEBUG_MAC80211(mvm
, "Add channel context\n");
3356 phy_ctxt
= iwl_mvm_get_free_phy_ctxt(mvm
);
3362 ret
= iwl_mvm_phy_ctxt_changed(mvm
, phy_ctxt
, &ctx
->min_def
,
3363 ctx
->rx_chains_static
,
3364 ctx
->rx_chains_dynamic
);
3366 IWL_ERR(mvm
, "Failed to add PHY context\n");
3370 iwl_mvm_phy_ctxt_ref(mvm
, phy_ctxt
);
3371 *phy_ctxt_id
= phy_ctxt
->id
;
3376 static int iwl_mvm_add_chanctx(struct ieee80211_hw
*hw
,
3377 struct ieee80211_chanctx_conf
*ctx
)
3379 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3382 mutex_lock(&mvm
->mutex
);
3383 ret
= __iwl_mvm_add_chanctx(mvm
, ctx
);
3384 mutex_unlock(&mvm
->mutex
);
3389 static void __iwl_mvm_remove_chanctx(struct iwl_mvm
*mvm
,
3390 struct ieee80211_chanctx_conf
*ctx
)
3392 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
3393 struct iwl_mvm_phy_ctxt
*phy_ctxt
= &mvm
->phy_ctxts
[*phy_ctxt_id
];
3395 lockdep_assert_held(&mvm
->mutex
);
3397 iwl_mvm_phy_ctxt_unref(mvm
, phy_ctxt
);
3400 static void iwl_mvm_remove_chanctx(struct ieee80211_hw
*hw
,
3401 struct ieee80211_chanctx_conf
*ctx
)
3403 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3405 mutex_lock(&mvm
->mutex
);
3406 __iwl_mvm_remove_chanctx(mvm
, ctx
);
3407 mutex_unlock(&mvm
->mutex
);
3410 static void iwl_mvm_change_chanctx(struct ieee80211_hw
*hw
,
3411 struct ieee80211_chanctx_conf
*ctx
,
3414 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3415 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
3416 struct iwl_mvm_phy_ctxt
*phy_ctxt
= &mvm
->phy_ctxts
[*phy_ctxt_id
];
3418 if (WARN_ONCE((phy_ctxt
->ref
> 1) &&
3419 (changed
& ~(IEEE80211_CHANCTX_CHANGE_WIDTH
|
3420 IEEE80211_CHANCTX_CHANGE_RX_CHAINS
|
3421 IEEE80211_CHANCTX_CHANGE_RADAR
|
3422 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH
)),
3423 "Cannot change PHY. Ref=%d, changed=0x%X\n",
3424 phy_ctxt
->ref
, changed
))
3427 mutex_lock(&mvm
->mutex
);
3428 iwl_mvm_bt_coex_vif_change(mvm
);
3429 iwl_mvm_phy_ctxt_changed(mvm
, phy_ctxt
, &ctx
->min_def
,
3430 ctx
->rx_chains_static
,
3431 ctx
->rx_chains_dynamic
);
3432 mutex_unlock(&mvm
->mutex
);
3435 static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm
*mvm
,
3436 struct ieee80211_vif
*vif
,
3437 struct ieee80211_chanctx_conf
*ctx
,
3438 bool switching_chanctx
)
3440 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
3441 struct iwl_mvm_phy_ctxt
*phy_ctxt
= &mvm
->phy_ctxts
[*phy_ctxt_id
];
3442 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3445 lockdep_assert_held(&mvm
->mutex
);
3447 mvmvif
->phy_ctxt
= phy_ctxt
;
3449 switch (vif
->type
) {
3450 case NL80211_IFTYPE_AP
:
3451 /* only needed if we're switching chanctx (i.e. during CSA) */
3452 if (switching_chanctx
) {
3453 mvmvif
->ap_ibss_active
= true;
3456 case NL80211_IFTYPE_ADHOC
:
3458 * The AP binding flow is handled as part of the start_ap flow
3459 * (in bss_info_changed), similarly for IBSS.
3463 case NL80211_IFTYPE_STATION
:
3465 case NL80211_IFTYPE_MONITOR
:
3466 /* always disable PS when a monitor interface is active */
3467 mvmvif
->ps_disabled
= true;
3474 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
3479 * Power state must be updated before quotas,
3480 * otherwise fw will complain.
3482 iwl_mvm_power_update_mac(mvm
);
3484 /* Setting the quota at this stage is only required for monitor
3485 * interfaces. For the other types, the bss_info changed flow
3486 * will handle quota settings.
3488 if (vif
->type
== NL80211_IFTYPE_MONITOR
) {
3489 mvmvif
->monitor_active
= true;
3490 ret
= iwl_mvm_update_quotas(mvm
, false, NULL
);
3492 goto out_remove_binding
;
3494 ret
= iwl_mvm_add_snif_sta(mvm
, vif
);
3496 goto out_remove_binding
;
3500 /* Handle binding during CSA */
3501 if (vif
->type
== NL80211_IFTYPE_AP
) {
3502 iwl_mvm_update_quotas(mvm
, false, NULL
);
3503 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
3506 if (switching_chanctx
&& vif
->type
== NL80211_IFTYPE_STATION
) {
3507 u32 duration
= 2 * vif
->bss_conf
.beacon_int
;
3509 /* iwl_mvm_protect_session() reads directly from the
3510 * device (the system time), so make sure it is
3513 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_PROTECT_CSA
);
3515 goto out_remove_binding
;
3517 /* Protect the session to make sure we hear the first
3518 * beacon on the new channel.
3520 iwl_mvm_protect_session(mvm
, vif
, duration
, duration
,
3521 vif
->bss_conf
.beacon_int
/ 2,
3524 iwl_mvm_unref(mvm
, IWL_MVM_REF_PROTECT_CSA
);
3526 iwl_mvm_update_quotas(mvm
, false, NULL
);
3532 iwl_mvm_binding_remove_vif(mvm
, vif
);
3533 iwl_mvm_power_update_mac(mvm
);
3536 mvmvif
->phy_ctxt
= NULL
;
3539 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw
*hw
,
3540 struct ieee80211_vif
*vif
,
3541 struct ieee80211_chanctx_conf
*ctx
)
3543 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3546 mutex_lock(&mvm
->mutex
);
3547 ret
= __iwl_mvm_assign_vif_chanctx(mvm
, vif
, ctx
, false);
3548 mutex_unlock(&mvm
->mutex
);
3553 static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm
*mvm
,
3554 struct ieee80211_vif
*vif
,
3555 struct ieee80211_chanctx_conf
*ctx
,
3556 bool switching_chanctx
)
3558 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3559 struct ieee80211_vif
*disabled_vif
= NULL
;
3561 lockdep_assert_held(&mvm
->mutex
);
3563 iwl_mvm_remove_time_event(mvm
, mvmvif
, &mvmvif
->time_event_data
);
3565 switch (vif
->type
) {
3566 case NL80211_IFTYPE_ADHOC
:
3568 case NL80211_IFTYPE_MONITOR
:
3569 mvmvif
->monitor_active
= false;
3570 mvmvif
->ps_disabled
= false;
3571 iwl_mvm_rm_snif_sta(mvm
, vif
);
3573 case NL80211_IFTYPE_AP
:
3574 /* This part is triggered only during CSA */
3575 if (!switching_chanctx
|| !mvmvif
->ap_ibss_active
)
3578 mvmvif
->csa_countdown
= false;
3580 /* Set CS bit on all the stations */
3581 iwl_mvm_modify_all_sta_disable_tx(mvm
, mvmvif
, true);
3583 /* Save blocked iface, the timeout is set on the next beacon */
3584 rcu_assign_pointer(mvm
->csa_tx_blocked_vif
, vif
);
3586 mvmvif
->ap_ibss_active
= false;
3588 case NL80211_IFTYPE_STATION
:
3589 if (!switching_chanctx
)
3594 iwl_mvm_mac_ctxt_changed(mvm
, vif
, true, NULL
);
3600 iwl_mvm_update_quotas(mvm
, false, disabled_vif
);
3601 iwl_mvm_binding_remove_vif(mvm
, vif
);
3604 mvmvif
->phy_ctxt
= NULL
;
3605 iwl_mvm_power_update_mac(mvm
);
3608 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw
*hw
,
3609 struct ieee80211_vif
*vif
,
3610 struct ieee80211_chanctx_conf
*ctx
)
3612 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3614 mutex_lock(&mvm
->mutex
);
3615 __iwl_mvm_unassign_vif_chanctx(mvm
, vif
, ctx
, false);
3616 mutex_unlock(&mvm
->mutex
);
3620 iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm
*mvm
,
3621 struct ieee80211_vif_chanctx_switch
*vifs
)
3625 mutex_lock(&mvm
->mutex
);
3626 __iwl_mvm_unassign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].old_ctx
, true);
3627 __iwl_mvm_remove_chanctx(mvm
, vifs
[0].old_ctx
);
3629 ret
= __iwl_mvm_add_chanctx(mvm
, vifs
[0].new_ctx
);
3631 IWL_ERR(mvm
, "failed to add new_ctx during channel switch\n");
3635 ret
= __iwl_mvm_assign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].new_ctx
,
3639 "failed to assign new_ctx during channel switch\n");
3643 /* we don't support TDLS during DCM - can be caused by channel switch */
3644 if (iwl_mvm_phy_ctx_count(mvm
) > 1)
3645 iwl_mvm_teardown_tdls_peers(mvm
);
3650 __iwl_mvm_remove_chanctx(mvm
, vifs
[0].new_ctx
);
3653 if (__iwl_mvm_add_chanctx(mvm
, vifs
[0].old_ctx
)) {
3654 IWL_ERR(mvm
, "failed to add old_ctx back after failure.\n");
3658 if (__iwl_mvm_assign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].old_ctx
,
3660 IWL_ERR(mvm
, "failed to reassign old_ctx after failure.\n");
3667 /* things keep failing, better restart the hw */
3668 iwl_mvm_nic_restart(mvm
, false);
3671 mutex_unlock(&mvm
->mutex
);
3677 iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm
*mvm
,
3678 struct ieee80211_vif_chanctx_switch
*vifs
)
3682 mutex_lock(&mvm
->mutex
);
3683 __iwl_mvm_unassign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].old_ctx
, true);
3685 ret
= __iwl_mvm_assign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].new_ctx
,
3689 "failed to assign new_ctx during channel switch\n");
3696 if (__iwl_mvm_assign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].old_ctx
,
3698 IWL_ERR(mvm
, "failed to reassign old_ctx after failure.\n");
3705 /* things keep failing, better restart the hw */
3706 iwl_mvm_nic_restart(mvm
, false);
3709 mutex_unlock(&mvm
->mutex
);
3714 static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw
*hw
,
3715 struct ieee80211_vif_chanctx_switch
*vifs
,
3717 enum ieee80211_chanctx_switch_mode mode
)
3719 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3722 /* we only support a single-vif right now */
3727 case CHANCTX_SWMODE_SWAP_CONTEXTS
:
3728 ret
= iwl_mvm_switch_vif_chanctx_swap(mvm
, vifs
);
3730 case CHANCTX_SWMODE_REASSIGN_VIF
:
3731 ret
= iwl_mvm_switch_vif_chanctx_reassign(mvm
, vifs
);
3741 static int iwl_mvm_tx_last_beacon(struct ieee80211_hw
*hw
)
3743 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3745 return mvm
->ibss_manager
;
3748 static int iwl_mvm_set_tim(struct ieee80211_hw
*hw
,
3749 struct ieee80211_sta
*sta
,
3752 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3753 struct iwl_mvm_sta
*mvm_sta
= iwl_mvm_sta_from_mac80211(sta
);
3755 if (!mvm_sta
|| !mvm_sta
->vif
) {
3756 IWL_ERR(mvm
, "Station is not associated to a vif\n");
3760 return iwl_mvm_mac_ctxt_beacon_changed(mvm
, mvm_sta
->vif
);
3763 #ifdef CONFIG_NL80211_TESTMODE
3764 static const struct nla_policy iwl_mvm_tm_policy
[IWL_MVM_TM_ATTR_MAX
+ 1] = {
3765 [IWL_MVM_TM_ATTR_CMD
] = { .type
= NLA_U32
},
3766 [IWL_MVM_TM_ATTR_NOA_DURATION
] = { .type
= NLA_U32
},
3767 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE
] = { .type
= NLA_U32
},
3770 static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm
*mvm
,
3771 struct ieee80211_vif
*vif
,
3772 void *data
, int len
)
3774 struct nlattr
*tb
[IWL_MVM_TM_ATTR_MAX
+ 1];
3778 err
= nla_parse(tb
, IWL_MVM_TM_ATTR_MAX
, data
, len
, iwl_mvm_tm_policy
,
3783 if (!tb
[IWL_MVM_TM_ATTR_CMD
])
3786 switch (nla_get_u32(tb
[IWL_MVM_TM_ATTR_CMD
])) {
3787 case IWL_MVM_TM_CMD_SET_NOA
:
3788 if (!vif
|| vif
->type
!= NL80211_IFTYPE_AP
|| !vif
->p2p
||
3789 !vif
->bss_conf
.enable_beacon
||
3790 !tb
[IWL_MVM_TM_ATTR_NOA_DURATION
])
3793 noa_duration
= nla_get_u32(tb
[IWL_MVM_TM_ATTR_NOA_DURATION
]);
3794 if (noa_duration
>= vif
->bss_conf
.beacon_int
)
3797 mvm
->noa_duration
= noa_duration
;
3800 return iwl_mvm_update_quotas(mvm
, false, NULL
);
3801 case IWL_MVM_TM_CMD_SET_BEACON_FILTER
:
3802 /* must be associated client vif - ignore authorized */
3803 if (!vif
|| vif
->type
!= NL80211_IFTYPE_STATION
||
3804 !vif
->bss_conf
.assoc
|| !vif
->bss_conf
.dtim_period
||
3805 !tb
[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE
])
3808 if (nla_get_u32(tb
[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE
]))
3809 return iwl_mvm_enable_beacon_filter(mvm
, vif
, 0);
3810 return iwl_mvm_disable_beacon_filter(mvm
, vif
, 0);
3816 static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw
*hw
,
3817 struct ieee80211_vif
*vif
,
3818 void *data
, int len
)
3820 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3823 mutex_lock(&mvm
->mutex
);
3824 err
= __iwl_mvm_mac_testmode_cmd(mvm
, vif
, data
, len
);
3825 mutex_unlock(&mvm
->mutex
);
3831 static void iwl_mvm_channel_switch(struct ieee80211_hw
*hw
,
3832 struct ieee80211_vif
*vif
,
3833 struct ieee80211_channel_switch
*chsw
)
3835 /* By implementing this operation, we prevent mac80211 from
3836 * starting its own channel switch timer, so that we can call
3837 * ieee80211_chswitch_done() ourselves at the right time
3838 * (which is when the absence time event starts).
3841 IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw
),
3842 "dummy channel switch op\n");
3845 static int iwl_mvm_pre_channel_switch(struct ieee80211_hw
*hw
,
3846 struct ieee80211_vif
*vif
,
3847 struct ieee80211_channel_switch
*chsw
)
3849 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3850 struct ieee80211_vif
*csa_vif
;
3851 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3855 mutex_lock(&mvm
->mutex
);
3857 mvmvif
->csa_failed
= false;
3859 IWL_DEBUG_MAC80211(mvm
, "pre CSA to freq %d\n",
3860 chsw
->chandef
.center_freq1
);
3862 iwl_fw_dbg_trigger_simple_stop(&mvm
->fwrt
,
3863 ieee80211_vif_to_wdev(vif
),
3864 FW_DBG_TRIGGER_CHANNEL_SWITCH
);
3866 switch (vif
->type
) {
3867 case NL80211_IFTYPE_AP
:
3869 rcu_dereference_protected(mvm
->csa_vif
,
3870 lockdep_is_held(&mvm
->mutex
));
3871 if (WARN_ONCE(csa_vif
&& csa_vif
->csa_active
,
3872 "Another CSA is already in progress")) {
3877 /* we still didn't unblock tx. prevent new CS meanwhile */
3878 if (rcu_dereference_protected(mvm
->csa_tx_blocked_vif
,
3879 lockdep_is_held(&mvm
->mutex
))) {
3884 rcu_assign_pointer(mvm
->csa_vif
, vif
);
3886 if (WARN_ONCE(mvmvif
->csa_countdown
,
3887 "Previous CSA countdown didn't complete")) {
3892 mvmvif
->csa_target_freq
= chsw
->chandef
.chan
->center_freq
;
3895 case NL80211_IFTYPE_STATION
:
3896 if (mvmvif
->lqm_active
)
3897 iwl_mvm_send_lqm_cmd(vif
,
3898 LQM_CMD_OPERATION_STOP_MEASUREMENT
,
3901 /* Schedule the time event to a bit before beacon 1,
3902 * to make sure we're in the new channel when the
3903 * GO/AP arrives. In case count <= 1 immediately schedule the
3904 * TE (this might result with some packet loss or connection
3907 if (chsw
->count
<= 1)
3910 apply_time
= chsw
->device_timestamp
+
3911 ((vif
->bss_conf
.beacon_int
* (chsw
->count
- 1) -
3912 IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT
) * 1024);
3915 iwl_mvm_csa_client_absent(mvm
, vif
);
3917 iwl_mvm_schedule_csa_period(mvm
, vif
, vif
->bss_conf
.beacon_int
,
3919 if (mvmvif
->bf_data
.bf_enabled
) {
3920 ret
= iwl_mvm_disable_beacon_filter(mvm
, vif
, 0);
3930 mvmvif
->ps_disabled
= true;
3932 ret
= iwl_mvm_power_update_ps(mvm
);
3936 /* we won't be on this channel any longer */
3937 iwl_mvm_teardown_tdls_peers(mvm
);
3940 mutex_unlock(&mvm
->mutex
);
3945 static int iwl_mvm_post_channel_switch(struct ieee80211_hw
*hw
,
3946 struct ieee80211_vif
*vif
)
3948 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3949 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3952 mutex_lock(&mvm
->mutex
);
3954 if (mvmvif
->csa_failed
) {
3955 mvmvif
->csa_failed
= false;
3960 if (vif
->type
== NL80211_IFTYPE_STATION
) {
3961 struct iwl_mvm_sta
*mvmsta
;
3963 mvmsta
= iwl_mvm_sta_from_staid_protected(mvm
,
3966 if (WARN_ON(!mvmsta
)) {
3971 iwl_mvm_sta_modify_disable_tx(mvm
, mvmsta
, false);
3973 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
3975 ret
= iwl_mvm_enable_beacon_filter(mvm
, vif
, 0);
3979 iwl_mvm_stop_session_protection(mvm
, vif
);
3982 mvmvif
->ps_disabled
= false;
3984 ret
= iwl_mvm_power_update_ps(mvm
);
3987 mutex_unlock(&mvm
->mutex
);
3992 static void iwl_mvm_flush_no_vif(struct iwl_mvm
*mvm
, u32 queues
, bool drop
)
3995 if (iwl_mvm_has_new_tx_api(mvm
))
3996 /* TODO new tx api */
3998 "Need to implement flush TX queue\n");
4000 iwl_mvm_flush_tx_path(mvm
,
4001 iwl_mvm_flushable_queues(mvm
) & queues
,
4004 if (iwl_mvm_has_new_tx_api(mvm
)) {
4005 struct ieee80211_sta
*sta
;
4008 mutex_lock(&mvm
->mutex
);
4010 for (i
= 0; i
< ARRAY_SIZE(mvm
->fw_id_to_mac_id
); i
++) {
4011 sta
= rcu_dereference_protected(
4012 mvm
->fw_id_to_mac_id
[i
],
4013 lockdep_is_held(&mvm
->mutex
));
4014 if (IS_ERR_OR_NULL(sta
))
4017 iwl_mvm_wait_sta_queues_empty(mvm
,
4018 iwl_mvm_sta_from_mac80211(sta
));
4021 mutex_unlock(&mvm
->mutex
);
4023 iwl_trans_wait_tx_queues_empty(mvm
->trans
,
4029 static void iwl_mvm_mac_flush(struct ieee80211_hw
*hw
,
4030 struct ieee80211_vif
*vif
, u32 queues
, bool drop
)
4032 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
4033 struct iwl_mvm_vif
*mvmvif
;
4034 struct iwl_mvm_sta
*mvmsta
;
4035 struct ieee80211_sta
*sta
;
4040 iwl_mvm_flush_no_vif(mvm
, queues
, drop
);
4044 if (vif
->type
!= NL80211_IFTYPE_STATION
)
4047 /* Make sure we're done with the deferred traffic before flushing */
4048 flush_work(&mvm
->add_stream_wk
);
4050 mutex_lock(&mvm
->mutex
);
4051 mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
4053 /* flush the AP-station and all TDLS peers */
4054 for (i
= 0; i
< ARRAY_SIZE(mvm
->fw_id_to_mac_id
); i
++) {
4055 sta
= rcu_dereference_protected(mvm
->fw_id_to_mac_id
[i
],
4056 lockdep_is_held(&mvm
->mutex
));
4057 if (IS_ERR_OR_NULL(sta
))
4060 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
4061 if (mvmsta
->vif
!= vif
)
4064 /* make sure only TDLS peers or the AP are flushed */
4065 WARN_ON(i
!= mvmvif
->ap_sta_id
&& !sta
->tdls
);
4068 if (iwl_mvm_flush_sta(mvm
, mvmsta
, false, 0))
4069 IWL_ERR(mvm
, "flush request fail\n");
4071 msk
|= mvmsta
->tfd_queue_msk
;
4072 if (iwl_mvm_has_new_tx_api(mvm
))
4073 iwl_mvm_wait_sta_queues_empty(mvm
, mvmsta
);
4077 mutex_unlock(&mvm
->mutex
);
4079 /* this can take a while, and we may need/want other operations
4080 * to succeed while doing this, so do it without the mutex held
4082 if (!drop
&& !iwl_mvm_has_new_tx_api(mvm
))
4083 iwl_trans_wait_tx_queues_empty(mvm
->trans
, msk
);
4086 static int iwl_mvm_mac_get_survey(struct ieee80211_hw
*hw
, int idx
,
4087 struct survey_info
*survey
)
4089 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
4092 memset(survey
, 0, sizeof(*survey
));
4094 /* only support global statistics right now */
4098 if (!fw_has_capa(&mvm
->fw
->ucode_capa
,
4099 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS
))
4102 mutex_lock(&mvm
->mutex
);
4104 if (iwl_mvm_firmware_running(mvm
)) {
4105 ret
= iwl_mvm_request_statistics(mvm
, false);
4110 survey
->filled
= SURVEY_INFO_TIME
|
4111 SURVEY_INFO_TIME_RX
|
4112 SURVEY_INFO_TIME_TX
|
4113 SURVEY_INFO_TIME_SCAN
;
4114 survey
->time
= mvm
->accu_radio_stats
.on_time_rf
+
4115 mvm
->radio_stats
.on_time_rf
;
4116 do_div(survey
->time
, USEC_PER_MSEC
);
4118 survey
->time_rx
= mvm
->accu_radio_stats
.rx_time
+
4119 mvm
->radio_stats
.rx_time
;
4120 do_div(survey
->time_rx
, USEC_PER_MSEC
);
4122 survey
->time_tx
= mvm
->accu_radio_stats
.tx_time
+
4123 mvm
->radio_stats
.tx_time
;
4124 do_div(survey
->time_tx
, USEC_PER_MSEC
);
4126 survey
->time_scan
= mvm
->accu_radio_stats
.on_time_scan
+
4127 mvm
->radio_stats
.on_time_scan
;
4128 do_div(survey
->time_scan
, USEC_PER_MSEC
);
4132 mutex_unlock(&mvm
->mutex
);
4136 static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw
*hw
,
4137 struct ieee80211_vif
*vif
,
4138 struct ieee80211_sta
*sta
,
4139 struct station_info
*sinfo
)
4141 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
4142 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
4143 struct iwl_mvm_sta
*mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
4145 if (mvmsta
->avg_energy
) {
4146 sinfo
->signal_avg
= mvmsta
->avg_energy
;
4147 sinfo
->filled
|= BIT(NL80211_STA_INFO_SIGNAL_AVG
);
4150 if (!fw_has_capa(&mvm
->fw
->ucode_capa
,
4151 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS
))
4154 /* if beacon filtering isn't on mac80211 does it anyway */
4155 if (!(vif
->driver_flags
& IEEE80211_VIF_BEACON_FILTER
))
4158 if (!vif
->bss_conf
.assoc
)
4161 mutex_lock(&mvm
->mutex
);
4163 if (mvmvif
->ap_sta_id
!= mvmsta
->sta_id
)
4166 if (iwl_mvm_request_statistics(mvm
, false))
4169 sinfo
->rx_beacon
= mvmvif
->beacon_stats
.num_beacons
+
4170 mvmvif
->beacon_stats
.accu_num_beacons
;
4171 sinfo
->filled
|= BIT(NL80211_STA_INFO_BEACON_RX
);
4172 if (mvmvif
->beacon_stats
.avg_signal
) {
4173 /* firmware only reports a value after RXing a few beacons */
4174 sinfo
->rx_beacon_signal_avg
= mvmvif
->beacon_stats
.avg_signal
;
4175 sinfo
->filled
|= BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG
);
4178 mutex_unlock(&mvm
->mutex
);
4181 static void iwl_mvm_event_mlme_callback(struct iwl_mvm
*mvm
,
4182 struct ieee80211_vif
*vif
,
4183 const struct ieee80211_event
*event
)
4185 #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \
4187 if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \
4189 iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \
4192 struct iwl_fw_dbg_trigger_tlv
*trig
;
4193 struct iwl_fw_dbg_trigger_mlme
*trig_mlme
;
4195 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_MLME
))
4198 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_MLME
);
4199 trig_mlme
= (void *)trig
->data
;
4200 if (!iwl_fw_dbg_trigger_check_stop(&mvm
->fwrt
,
4201 ieee80211_vif_to_wdev(vif
), trig
))
4204 if (event
->u
.mlme
.data
== ASSOC_EVENT
) {
4205 if (event
->u
.mlme
.status
== MLME_DENIED
)
4206 CHECK_MLME_TRIGGER(stop_assoc_denied
,
4207 "DENIED ASSOC: reason %d",
4208 event
->u
.mlme
.reason
);
4209 else if (event
->u
.mlme
.status
== MLME_TIMEOUT
)
4210 CHECK_MLME_TRIGGER(stop_assoc_timeout
,
4212 } else if (event
->u
.mlme
.data
== AUTH_EVENT
) {
4213 if (event
->u
.mlme
.status
== MLME_DENIED
)
4214 CHECK_MLME_TRIGGER(stop_auth_denied
,
4215 "DENIED AUTH: reason %d",
4216 event
->u
.mlme
.reason
);
4217 else if (event
->u
.mlme
.status
== MLME_TIMEOUT
)
4218 CHECK_MLME_TRIGGER(stop_auth_timeout
,
4220 } else if (event
->u
.mlme
.data
== DEAUTH_RX_EVENT
) {
4221 CHECK_MLME_TRIGGER(stop_rx_deauth
,
4222 "DEAUTH RX %d", event
->u
.mlme
.reason
);
4223 } else if (event
->u
.mlme
.data
== DEAUTH_TX_EVENT
) {
4224 CHECK_MLME_TRIGGER(stop_tx_deauth
,
4225 "DEAUTH TX %d", event
->u
.mlme
.reason
);
4227 #undef CHECK_MLME_TRIGGER
4230 static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm
*mvm
,
4231 struct ieee80211_vif
*vif
,
4232 const struct ieee80211_event
*event
)
4234 struct iwl_fw_dbg_trigger_tlv
*trig
;
4235 struct iwl_fw_dbg_trigger_ba
*ba_trig
;
4237 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_BA
))
4240 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_BA
);
4241 ba_trig
= (void *)trig
->data
;
4242 if (!iwl_fw_dbg_trigger_check_stop(&mvm
->fwrt
,
4243 ieee80211_vif_to_wdev(vif
), trig
))
4246 if (!(le16_to_cpu(ba_trig
->rx_bar
) & BIT(event
->u
.ba
.tid
)))
4249 iwl_fw_dbg_collect_trig(&mvm
->fwrt
, trig
,
4250 "BAR received from %pM, tid %d, ssn %d",
4251 event
->u
.ba
.sta
->addr
, event
->u
.ba
.tid
,
4256 iwl_mvm_event_frame_timeout_callback(struct iwl_mvm
*mvm
,
4257 struct ieee80211_vif
*vif
,
4258 const struct ieee80211_event
*event
)
4260 struct iwl_fw_dbg_trigger_tlv
*trig
;
4261 struct iwl_fw_dbg_trigger_ba
*ba_trig
;
4263 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_BA
))
4266 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_BA
);
4267 ba_trig
= (void *)trig
->data
;
4268 if (!iwl_fw_dbg_trigger_check_stop(&mvm
->fwrt
,
4269 ieee80211_vif_to_wdev(vif
), trig
))
4272 if (!(le16_to_cpu(ba_trig
->frame_timeout
) & BIT(event
->u
.ba
.tid
)))
4275 iwl_fw_dbg_collect_trig(&mvm
->fwrt
, trig
,
4276 "Frame from %pM timed out, tid %d",
4277 event
->u
.ba
.sta
->addr
, event
->u
.ba
.tid
);
4280 static void iwl_mvm_mac_event_callback(struct ieee80211_hw
*hw
,
4281 struct ieee80211_vif
*vif
,
4282 const struct ieee80211_event
*event
)
4284 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
4286 switch (event
->type
) {
4288 iwl_mvm_event_mlme_callback(mvm
, vif
, event
);
4291 iwl_mvm_event_bar_rx_callback(mvm
, vif
, event
);
4293 case BA_FRAME_TIMEOUT
:
4294 iwl_mvm_event_frame_timeout_callback(mvm
, vif
, event
);
4301 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm
*mvm
,
4302 struct iwl_mvm_internal_rxq_notif
*notif
,
4305 u32 qmask
= BIT(mvm
->trans
->num_rx_queues
) - 1;
4308 lockdep_assert_held(&mvm
->mutex
);
4310 /* TODO - remove a000 disablement when we have RXQ config API */
4311 if (!iwl_mvm_has_new_rx_api(mvm
) ||
4312 mvm
->trans
->cfg
->device_family
== IWL_DEVICE_FAMILY_A000
)
4315 notif
->cookie
= mvm
->queue_sync_cookie
;
4318 atomic_set(&mvm
->queue_sync_counter
,
4319 mvm
->trans
->num_rx_queues
);
4321 ret
= iwl_mvm_notify_rx_queue(mvm
, qmask
, (u8
*)notif
, size
);
4323 IWL_ERR(mvm
, "Failed to trigger RX queues sync (%d)\n", ret
);
4328 ret
= wait_event_timeout(mvm
->rx_sync_waitq
,
4329 atomic_read(&mvm
->queue_sync_counter
) == 0 ||
4330 iwl_mvm_is_radio_killed(mvm
),
4332 WARN_ON_ONCE(!ret
&& !iwl_mvm_is_radio_killed(mvm
));
4336 atomic_set(&mvm
->queue_sync_counter
, 0);
4337 mvm
->queue_sync_cookie
++;
4340 static void iwl_mvm_sync_rx_queues(struct ieee80211_hw
*hw
)
4342 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
4343 struct iwl_mvm_internal_rxq_notif data
= {
4344 .type
= IWL_MVM_RXQ_EMPTY
,
4348 mutex_lock(&mvm
->mutex
);
4349 iwl_mvm_sync_rx_queues_internal(mvm
, &data
, sizeof(data
));
4350 mutex_unlock(&mvm
->mutex
);
4353 const struct ieee80211_ops iwl_mvm_hw_ops
= {
4354 .tx
= iwl_mvm_mac_tx
,
4355 .ampdu_action
= iwl_mvm_mac_ampdu_action
,
4356 .start
= iwl_mvm_mac_start
,
4357 .reconfig_complete
= iwl_mvm_mac_reconfig_complete
,
4358 .stop
= iwl_mvm_mac_stop
,
4359 .add_interface
= iwl_mvm_mac_add_interface
,
4360 .remove_interface
= iwl_mvm_mac_remove_interface
,
4361 .config
= iwl_mvm_mac_config
,
4362 .prepare_multicast
= iwl_mvm_prepare_multicast
,
4363 .configure_filter
= iwl_mvm_configure_filter
,
4364 .config_iface_filter
= iwl_mvm_config_iface_filter
,
4365 .bss_info_changed
= iwl_mvm_bss_info_changed
,
4366 .hw_scan
= iwl_mvm_mac_hw_scan
,
4367 .cancel_hw_scan
= iwl_mvm_mac_cancel_hw_scan
,
4368 .sta_pre_rcu_remove
= iwl_mvm_sta_pre_rcu_remove
,
4369 .sta_state
= iwl_mvm_mac_sta_state
,
4370 .sta_notify
= iwl_mvm_mac_sta_notify
,
4371 .allow_buffered_frames
= iwl_mvm_mac_allow_buffered_frames
,
4372 .release_buffered_frames
= iwl_mvm_mac_release_buffered_frames
,
4373 .set_rts_threshold
= iwl_mvm_mac_set_rts_threshold
,
4374 .sta_rc_update
= iwl_mvm_sta_rc_update
,
4375 .conf_tx
= iwl_mvm_mac_conf_tx
,
4376 .mgd_prepare_tx
= iwl_mvm_mac_mgd_prepare_tx
,
4377 .mgd_protect_tdls_discover
= iwl_mvm_mac_mgd_protect_tdls_discover
,
4378 .flush
= iwl_mvm_mac_flush
,
4379 .sched_scan_start
= iwl_mvm_mac_sched_scan_start
,
4380 .sched_scan_stop
= iwl_mvm_mac_sched_scan_stop
,
4381 .set_key
= iwl_mvm_mac_set_key
,
4382 .update_tkip_key
= iwl_mvm_mac_update_tkip_key
,
4383 .remain_on_channel
= iwl_mvm_roc
,
4384 .cancel_remain_on_channel
= iwl_mvm_cancel_roc
,
4385 .add_chanctx
= iwl_mvm_add_chanctx
,
4386 .remove_chanctx
= iwl_mvm_remove_chanctx
,
4387 .change_chanctx
= iwl_mvm_change_chanctx
,
4388 .assign_vif_chanctx
= iwl_mvm_assign_vif_chanctx
,
4389 .unassign_vif_chanctx
= iwl_mvm_unassign_vif_chanctx
,
4390 .switch_vif_chanctx
= iwl_mvm_switch_vif_chanctx
,
4392 .start_ap
= iwl_mvm_start_ap_ibss
,
4393 .stop_ap
= iwl_mvm_stop_ap_ibss
,
4394 .join_ibss
= iwl_mvm_start_ap_ibss
,
4395 .leave_ibss
= iwl_mvm_stop_ap_ibss
,
4397 .tx_last_beacon
= iwl_mvm_tx_last_beacon
,
4399 .set_tim
= iwl_mvm_set_tim
,
4401 .channel_switch
= iwl_mvm_channel_switch
,
4402 .pre_channel_switch
= iwl_mvm_pre_channel_switch
,
4403 .post_channel_switch
= iwl_mvm_post_channel_switch
,
4405 .tdls_channel_switch
= iwl_mvm_tdls_channel_switch
,
4406 .tdls_cancel_channel_switch
= iwl_mvm_tdls_cancel_channel_switch
,
4407 .tdls_recv_channel_switch
= iwl_mvm_tdls_recv_channel_switch
,
4409 .event_callback
= iwl_mvm_mac_event_callback
,
4411 .sync_rx_queues
= iwl_mvm_sync_rx_queues
,
4413 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd
)
4415 #ifdef CONFIG_PM_SLEEP
4417 .suspend
= iwl_mvm_suspend
,
4418 .resume
= iwl_mvm_resume
,
4419 .set_wakeup
= iwl_mvm_set_wakeup
,
4420 .set_rekey_data
= iwl_mvm_set_rekey_data
,
4421 #if IS_ENABLED(CONFIG_IPV6)
4422 .ipv6_addr_change
= iwl_mvm_ipv6_addr_change
,
4424 .set_default_unicast_key
= iwl_mvm_set_default_unicast_key
,
4426 .get_survey
= iwl_mvm_mac_get_survey
,
4427 .sta_statistics
= iwl_mvm_mac_sta_statistics
,