1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
25 * The full GNU General Public License is included in this distribution
26 * in the file called COPYING.
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
36 * All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
42 * * Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * * Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in
46 * the documentation and/or other materials provided with the
48 * * Neither the name Intel Corporation nor the names of its
49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
64 *****************************************************************************/
65 #include <linux/kernel.h>
66 #include <linux/slab.h>
67 #include <linux/skbuff.h>
68 #include <linux/netdevice.h>
69 #include <linux/etherdevice.h>
71 #include <linux/if_arp.h>
72 #include <linux/devcoredump.h>
73 #include <linux/time.h>
74 #include <net/mac80211.h>
75 #include <net/ieee80211_radiotap.h>
78 #include "iwl-op-mode.h"
82 #include "time-event.h"
83 #include "iwl-eeprom-parse.h"
84 #include "iwl-phy-db.h"
86 #include "iwl-fw-error-dump.h"
89 #include "iwl-nvm-parse.h"
92 static const struct ieee80211_iface_limit iwl_mvm_limits
[] = {
95 .types
= BIT(NL80211_IFTYPE_STATION
),
99 .types
= BIT(NL80211_IFTYPE_AP
) |
100 BIT(NL80211_IFTYPE_P2P_CLIENT
) |
101 BIT(NL80211_IFTYPE_P2P_GO
),
105 .types
= BIT(NL80211_IFTYPE_P2P_DEVICE
),
109 static const struct ieee80211_iface_combination iwl_mvm_iface_combinations
[] = {
111 .num_different_channels
= 2,
113 .limits
= iwl_mvm_limits
,
114 .n_limits
= ARRAY_SIZE(iwl_mvm_limits
),
118 #ifdef CONFIG_PM_SLEEP
119 static const struct nl80211_wowlan_tcp_data_token_feature
120 iwl_mvm_wowlan_tcp_token_feature
= {
123 .bufsize
= IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS
,
126 static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support
= {
127 .tok
= &iwl_mvm_wowlan_tcp_token_feature
,
128 .data_payload_max
= IWL_WOWLAN_TCP_MAX_PACKET_LEN
-
129 sizeof(struct ethhdr
) -
130 sizeof(struct iphdr
) -
131 sizeof(struct tcphdr
),
132 .data_interval_max
= 65535, /* __le16 in API */
133 .wake_payload_max
= IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN
-
134 sizeof(struct ethhdr
) -
135 sizeof(struct iphdr
) -
136 sizeof(struct tcphdr
),
141 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
143 * Use the reserved field to indicate magic values.
144 * these values will only be used internally by the driver,
145 * and won't make it to the fw (reserved will be 0).
146 * BC_FILTER_MAGIC_IP - configure the val of this attribute to
147 * be the vif's ip address. in case there is not a single
148 * ip address (0, or more than 1), this attribute will
150 * BC_FILTER_MAGIC_MAC - set the val of this attribute to
151 * the LSB bytes of the vif's mac address
154 BC_FILTER_MAGIC_NONE
= 0,
159 static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters
[] = {
163 .frame_type
= BCAST_FILTER_FRAME_TYPE_ALL
,
166 /* frame type - arp, hw type - ethernet */
168 BCAST_FILTER_OFFSET_PAYLOAD_START
,
169 .offset
= sizeof(rfc1042_header
),
170 .val
= cpu_to_be32(0x08060001),
171 .mask
= cpu_to_be32(0xffffffff),
176 BCAST_FILTER_OFFSET_PAYLOAD_START
,
177 .offset
= sizeof(rfc1042_header
) + 2 +
178 sizeof(struct arphdr
) +
179 ETH_ALEN
+ sizeof(__be32
) +
181 .mask
= cpu_to_be32(0xffffffff),
182 /* mark it as special field */
183 .reserved1
= cpu_to_le16(BC_FILTER_MAGIC_IP
),
188 /* dhcp offer bcast */
190 .frame_type
= BCAST_FILTER_FRAME_TYPE_IPV4
,
193 /* udp dest port - 68 (bootp client)*/
194 .offset_type
= BCAST_FILTER_OFFSET_IP_END
,
195 .offset
= offsetof(struct udphdr
, dest
),
196 .val
= cpu_to_be32(0x00440000),
197 .mask
= cpu_to_be32(0xffff0000),
200 /* dhcp - lsb bytes of client hw address */
201 .offset_type
= BCAST_FILTER_OFFSET_IP_END
,
203 .mask
= cpu_to_be32(0xffffffff),
204 /* mark it as special field */
205 .reserved1
= cpu_to_le16(BC_FILTER_MAGIC_MAC
),
209 /* last filter must be empty */
214 void iwl_mvm_ref(struct iwl_mvm
*mvm
, enum iwl_mvm_ref_type ref_type
)
216 if (!iwl_mvm_is_d0i3_supported(mvm
))
219 IWL_DEBUG_RPM(mvm
, "Take mvm reference - type %d\n", ref_type
);
220 spin_lock_bh(&mvm
->refs_lock
);
221 mvm
->refs
[ref_type
]++;
222 spin_unlock_bh(&mvm
->refs_lock
);
223 iwl_trans_ref(mvm
->trans
);
226 void iwl_mvm_unref(struct iwl_mvm
*mvm
, enum iwl_mvm_ref_type ref_type
)
228 if (!iwl_mvm_is_d0i3_supported(mvm
))
231 IWL_DEBUG_RPM(mvm
, "Leave mvm reference - type %d\n", ref_type
);
232 spin_lock_bh(&mvm
->refs_lock
);
233 WARN_ON(!mvm
->refs
[ref_type
]--);
234 spin_unlock_bh(&mvm
->refs_lock
);
235 iwl_trans_unref(mvm
->trans
);
238 static void iwl_mvm_unref_all_except(struct iwl_mvm
*mvm
,
239 enum iwl_mvm_ref_type except_ref
)
243 if (!iwl_mvm_is_d0i3_supported(mvm
))
246 spin_lock_bh(&mvm
->refs_lock
);
247 for (i
= 0; i
< IWL_MVM_REF_COUNT
; i
++) {
248 if (except_ref
== i
|| !mvm
->refs
[i
])
251 IWL_DEBUG_RPM(mvm
, "Cleanup: remove mvm ref type %d (%d)\n",
253 for (j
= 0; j
< mvm
->refs
[i
]; j
++)
254 iwl_trans_unref(mvm
->trans
);
257 spin_unlock_bh(&mvm
->refs_lock
);
260 bool iwl_mvm_ref_taken(struct iwl_mvm
*mvm
)
265 if (!iwl_mvm_is_d0i3_supported(mvm
))
268 spin_lock_bh(&mvm
->refs_lock
);
269 for (i
= 0; i
< IWL_MVM_REF_COUNT
; i
++) {
275 spin_unlock_bh(&mvm
->refs_lock
);
280 int iwl_mvm_ref_sync(struct iwl_mvm
*mvm
, enum iwl_mvm_ref_type ref_type
)
282 iwl_mvm_ref(mvm
, ref_type
);
284 if (!wait_event_timeout(mvm
->d0i3_exit_waitq
,
285 !test_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
),
288 iwl_mvm_unref(mvm
, ref_type
);
295 static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm
*mvm
)
299 memset(mvm
->phy_ctxts
, 0, sizeof(mvm
->phy_ctxts
));
300 for (i
= 0; i
< NUM_PHY_CTX
; i
++) {
301 mvm
->phy_ctxts
[i
].id
= i
;
302 mvm
->phy_ctxts
[i
].ref
= 0;
306 struct ieee80211_regdomain
*iwl_mvm_get_regdomain(struct wiphy
*wiphy
,
308 enum iwl_mcc_source src_id
,
311 struct ieee80211_regdomain
*regd
= NULL
;
312 struct ieee80211_hw
*hw
= wiphy_to_ieee80211_hw(wiphy
);
313 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
314 struct iwl_mcc_update_resp
*resp
;
316 IWL_DEBUG_LAR(mvm
, "Getting regdomain data for %s from FW\n", alpha2
);
318 lockdep_assert_held(&mvm
->mutex
);
320 resp
= iwl_mvm_update_mcc(mvm
, alpha2
, src_id
);
321 if (IS_ERR_OR_NULL(resp
)) {
322 IWL_DEBUG_LAR(mvm
, "Could not get update from FW %d\n",
323 PTR_ERR_OR_ZERO(resp
));
328 *changed
= (resp
->status
== MCC_RESP_NEW_CHAN_PROFILE
);
330 regd
= iwl_parse_nvm_mcc_info(mvm
->trans
->dev
, mvm
->cfg
,
331 __le32_to_cpu(resp
->n_channels
),
333 __le16_to_cpu(resp
->mcc
));
334 /* Store the return source id */
335 src_id
= resp
->source_id
;
337 if (IS_ERR_OR_NULL(regd
)) {
338 IWL_DEBUG_LAR(mvm
, "Could not get parse update from FW %d\n",
339 PTR_ERR_OR_ZERO(regd
));
343 IWL_DEBUG_LAR(mvm
, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n",
344 regd
->alpha2
, regd
->alpha2
[0], regd
->alpha2
[1], src_id
);
345 mvm
->lar_regdom_set
= true;
346 mvm
->mcc_src
= src_id
;
352 void iwl_mvm_update_changed_regdom(struct iwl_mvm
*mvm
)
355 struct ieee80211_regdomain
*regd
;
357 if (!iwl_mvm_is_lar_supported(mvm
))
360 regd
= iwl_mvm_get_current_regdomain(mvm
, &changed
);
361 if (!IS_ERR_OR_NULL(regd
)) {
362 /* only update the regulatory core if changed */
364 regulatory_set_wiphy_regd(mvm
->hw
->wiphy
, regd
);
370 struct ieee80211_regdomain
*iwl_mvm_get_current_regdomain(struct iwl_mvm
*mvm
,
373 return iwl_mvm_get_regdomain(mvm
->hw
->wiphy
, "ZZ",
374 iwl_mvm_is_wifi_mcc_supported(mvm
) ?
375 MCC_SOURCE_GET_CURRENT
:
376 MCC_SOURCE_OLD_FW
, changed
);
379 int iwl_mvm_init_fw_regd(struct iwl_mvm
*mvm
)
381 enum iwl_mcc_source used_src
;
382 struct ieee80211_regdomain
*regd
;
385 const struct ieee80211_regdomain
*r
=
386 rtnl_dereference(mvm
->hw
->wiphy
->regd
);
391 /* save the last source in case we overwrite it below */
392 used_src
= mvm
->mcc_src
;
393 if (iwl_mvm_is_wifi_mcc_supported(mvm
)) {
394 /* Notify the firmware we support wifi location updates */
395 regd
= iwl_mvm_get_current_regdomain(mvm
, NULL
);
396 if (!IS_ERR_OR_NULL(regd
))
400 /* Now set our last stored MCC and source */
401 regd
= iwl_mvm_get_regdomain(mvm
->hw
->wiphy
, r
->alpha2
, used_src
,
403 if (IS_ERR_OR_NULL(regd
))
406 /* update cfg80211 if the regdomain was changed */
408 ret
= regulatory_set_wiphy_regd_sync_rtnl(mvm
->hw
->wiphy
, regd
);
416 int iwl_mvm_mac_setup_register(struct iwl_mvm
*mvm
)
418 struct ieee80211_hw
*hw
= mvm
->hw
;
420 static const u32 mvm_ciphers
[] = {
421 WLAN_CIPHER_SUITE_WEP40
,
422 WLAN_CIPHER_SUITE_WEP104
,
423 WLAN_CIPHER_SUITE_TKIP
,
424 WLAN_CIPHER_SUITE_CCMP
,
427 /* Tell mac80211 our characteristics */
428 ieee80211_hw_set(hw
, SIGNAL_DBM
);
429 ieee80211_hw_set(hw
, SPECTRUM_MGMT
);
430 ieee80211_hw_set(hw
, REPORTS_TX_ACK_STATUS
);
431 ieee80211_hw_set(hw
, QUEUE_CONTROL
);
432 ieee80211_hw_set(hw
, WANT_MONITOR_VIF
);
433 ieee80211_hw_set(hw
, SUPPORTS_PS
);
434 ieee80211_hw_set(hw
, SUPPORTS_DYNAMIC_PS
);
435 ieee80211_hw_set(hw
, AMPDU_AGGREGATION
);
436 ieee80211_hw_set(hw
, TIMING_BEACON_ONLY
);
437 ieee80211_hw_set(hw
, CONNECTION_MONITOR
);
438 ieee80211_hw_set(hw
, CHANCTX_STA_CSA
);
439 ieee80211_hw_set(hw
, SUPPORT_FAST_XMIT
);
440 ieee80211_hw_set(hw
, SUPPORTS_CLONED_SKBS
);
442 hw
->queues
= mvm
->first_agg_queue
;
443 hw
->offchannel_tx_hw_queue
= IWL_MVM_OFFCHANNEL_QUEUE
;
444 hw
->radiotap_mcs_details
|= IEEE80211_RADIOTAP_MCS_HAVE_FEC
|
445 IEEE80211_RADIOTAP_MCS_HAVE_STBC
;
446 hw
->radiotap_vht_details
|= IEEE80211_RADIOTAP_VHT_KNOWN_STBC
|
447 IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED
;
448 hw
->rate_control_algorithm
= "iwl-mvm-rs";
449 hw
->uapsd_queues
= IWL_MVM_UAPSD_QUEUES
;
450 hw
->uapsd_max_sp_len
= IWL_UAPSD_MAX_SP
;
452 BUILD_BUG_ON(ARRAY_SIZE(mvm
->ciphers
) < ARRAY_SIZE(mvm_ciphers
) + 2);
453 memcpy(mvm
->ciphers
, mvm_ciphers
, sizeof(mvm_ciphers
));
454 hw
->wiphy
->n_cipher_suites
= ARRAY_SIZE(mvm_ciphers
);
455 hw
->wiphy
->cipher_suites
= mvm
->ciphers
;
458 * Enable 11w if advertised by firmware and software crypto
459 * is not enabled (as the firmware will interpret some mgmt
460 * packets, so enabling it with software crypto isn't safe)
462 if (mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_MFP
&&
463 !iwlwifi_mod_params
.sw_crypto
) {
464 ieee80211_hw_set(hw
, MFP_CAPABLE
);
465 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] =
466 WLAN_CIPHER_SUITE_AES_CMAC
;
467 hw
->wiphy
->n_cipher_suites
++;
470 /* currently FW API supports only one optional cipher scheme */
471 if (mvm
->fw
->cs
[0].cipher
) {
472 mvm
->hw
->n_cipher_schemes
= 1;
473 mvm
->hw
->cipher_schemes
= &mvm
->fw
->cs
[0];
474 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] =
475 mvm
->fw
->cs
[0].cipher
;
476 hw
->wiphy
->n_cipher_suites
++;
479 ieee80211_hw_set(hw
, SINGLE_SCAN_ON_ALL_BANDS
);
480 hw
->wiphy
->features
|=
481 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
|
482 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
|
483 NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
485 hw
->sta_data_size
= sizeof(struct iwl_mvm_sta
);
486 hw
->vif_data_size
= sizeof(struct iwl_mvm_vif
);
487 hw
->chanctx_data_size
= sizeof(u16
);
489 hw
->wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
) |
490 BIT(NL80211_IFTYPE_P2P_CLIENT
) |
491 BIT(NL80211_IFTYPE_AP
) |
492 BIT(NL80211_IFTYPE_P2P_GO
) |
493 BIT(NL80211_IFTYPE_P2P_DEVICE
) |
494 BIT(NL80211_IFTYPE_ADHOC
);
496 hw
->wiphy
->flags
|= WIPHY_FLAG_IBSS_RSN
;
497 hw
->wiphy
->regulatory_flags
|= REGULATORY_ENABLE_RELAX_NO_IR
;
498 if (iwl_mvm_is_lar_supported(mvm
))
499 hw
->wiphy
->regulatory_flags
|= REGULATORY_WIPHY_SELF_MANAGED
;
501 hw
->wiphy
->regulatory_flags
|= REGULATORY_CUSTOM_REG
|
502 REGULATORY_DISABLE_BEACON_HINTS
;
504 if (mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_GO_UAPSD
)
505 hw
->wiphy
->flags
|= WIPHY_FLAG_AP_UAPSD
;
507 hw
->wiphy
->flags
|= WIPHY_FLAG_HAS_CHANNEL_SWITCH
;
509 hw
->wiphy
->iface_combinations
= iwl_mvm_iface_combinations
;
510 hw
->wiphy
->n_iface_combinations
=
511 ARRAY_SIZE(iwl_mvm_iface_combinations
);
513 hw
->wiphy
->max_remain_on_channel_duration
= 10000;
514 hw
->max_listen_interval
= IWL_CONN_MAX_LISTEN_INTERVAL
;
515 /* we can compensate an offset of up to 3 channels = 15 MHz */
516 hw
->wiphy
->max_adj_channel_rssi_comp
= 3 * 5;
518 /* Extract MAC address */
519 memcpy(mvm
->addresses
[0].addr
, mvm
->nvm_data
->hw_addr
, ETH_ALEN
);
520 hw
->wiphy
->addresses
= mvm
->addresses
;
521 hw
->wiphy
->n_addresses
= 1;
523 /* Extract additional MAC addresses if available */
524 num_mac
= (mvm
->nvm_data
->n_hw_addrs
> 1) ?
525 min(IWL_MVM_MAX_ADDRESSES
, mvm
->nvm_data
->n_hw_addrs
) : 1;
527 for (i
= 1; i
< num_mac
; i
++) {
528 memcpy(mvm
->addresses
[i
].addr
, mvm
->addresses
[i
-1].addr
,
530 mvm
->addresses
[i
].addr
[5]++;
531 hw
->wiphy
->n_addresses
++;
534 iwl_mvm_reset_phy_ctxts(mvm
);
536 hw
->wiphy
->max_scan_ie_len
= iwl_mvm_max_scan_ie_len(mvm
);
538 hw
->wiphy
->max_scan_ssids
= PROBE_OPTION_MAX
;
540 BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK
& IWL_MVM_SCAN_MASK
);
541 BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS
> HWEIGHT32(IWL_MVM_SCAN_MASK
) ||
542 IWL_MVM_MAX_LMAC_SCANS
> HWEIGHT32(IWL_MVM_SCAN_MASK
));
544 if (fw_has_capa(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_CAPA_UMAC_SCAN
))
545 mvm
->max_scans
= IWL_MVM_MAX_UMAC_SCANS
;
547 mvm
->max_scans
= IWL_MVM_MAX_LMAC_SCANS
;
549 if (mvm
->nvm_data
->bands
[IEEE80211_BAND_2GHZ
].n_channels
)
550 hw
->wiphy
->bands
[IEEE80211_BAND_2GHZ
] =
551 &mvm
->nvm_data
->bands
[IEEE80211_BAND_2GHZ
];
552 if (mvm
->nvm_data
->bands
[IEEE80211_BAND_5GHZ
].n_channels
) {
553 hw
->wiphy
->bands
[IEEE80211_BAND_5GHZ
] =
554 &mvm
->nvm_data
->bands
[IEEE80211_BAND_5GHZ
];
556 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
557 IWL_UCODE_TLV_CAPA_BEAMFORMER
) &&
558 fw_has_api(&mvm
->fw
->ucode_capa
,
559 IWL_UCODE_TLV_API_LQ_SS_PARAMS
))
560 hw
->wiphy
->bands
[IEEE80211_BAND_5GHZ
]->vht_cap
.cap
|=
561 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE
;
564 hw
->wiphy
->hw_version
= mvm
->trans
->hw_id
;
566 if (iwlmvm_mod_params
.power_scheme
!= IWL_POWER_SCHEME_CAM
)
567 hw
->wiphy
->flags
|= WIPHY_FLAG_PS_ON_BY_DEFAULT
;
569 hw
->wiphy
->flags
&= ~WIPHY_FLAG_PS_ON_BY_DEFAULT
;
571 hw
->wiphy
->flags
|= WIPHY_FLAG_SUPPORTS_SCHED_SCAN
;
572 hw
->wiphy
->max_sched_scan_ssids
= PROBE_OPTION_MAX
;
573 hw
->wiphy
->max_match_sets
= IWL_SCAN_MAX_PROFILES
;
574 /* we create the 802.11 header and zero length SSID IE. */
575 hw
->wiphy
->max_sched_scan_ie_len
=
576 SCAN_OFFLOAD_PROBE_REQ_SIZE
- 24 - 2;
577 hw
->wiphy
->max_sched_scan_plans
= IWL_MAX_SCHED_SCAN_PLANS
;
578 hw
->wiphy
->max_sched_scan_plan_interval
= U16_MAX
;
581 * the firmware uses u8 for num of iterations, but 0xff is saved for
582 * infinite loop, so the maximum number of iterations is actually 254.
584 hw
->wiphy
->max_sched_scan_plan_iterations
= 254;
586 hw
->wiphy
->features
|= NL80211_FEATURE_P2P_GO_CTWIN
|
587 NL80211_FEATURE_LOW_PRIORITY_SCAN
|
588 NL80211_FEATURE_P2P_GO_OPPPS
|
589 NL80211_FEATURE_DYNAMIC_SMPS
|
590 NL80211_FEATURE_STATIC_SMPS
|
591 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
;
593 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
594 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT
))
595 hw
->wiphy
->features
|= NL80211_FEATURE_TX_POWER_INSERTION
;
596 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
597 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT
))
598 hw
->wiphy
->features
|= NL80211_FEATURE_QUIET
;
600 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
601 IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT
))
602 hw
->wiphy
->features
|=
603 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
;
605 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
606 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT
))
607 hw
->wiphy
->features
|= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES
;
609 mvm
->rts_threshold
= IEEE80211_MAX_RTS_THRESHOLD
;
611 #ifdef CONFIG_PM_SLEEP
612 if (iwl_mvm_is_d0i3_supported(mvm
) &&
613 device_can_wakeup(mvm
->trans
->dev
)) {
614 mvm
->wowlan
.flags
= WIPHY_WOWLAN_ANY
;
615 hw
->wiphy
->wowlan
= &mvm
->wowlan
;
618 if (mvm
->fw
->img
[IWL_UCODE_WOWLAN
].sec
[0].len
&&
619 mvm
->trans
->ops
->d3_suspend
&&
620 mvm
->trans
->ops
->d3_resume
&&
621 device_can_wakeup(mvm
->trans
->dev
)) {
622 mvm
->wowlan
.flags
|= WIPHY_WOWLAN_MAGIC_PKT
|
623 WIPHY_WOWLAN_DISCONNECT
|
624 WIPHY_WOWLAN_EAP_IDENTITY_REQ
|
625 WIPHY_WOWLAN_RFKILL_RELEASE
|
626 WIPHY_WOWLAN_NET_DETECT
;
627 if (!iwlwifi_mod_params
.sw_crypto
)
628 mvm
->wowlan
.flags
|= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
|
629 WIPHY_WOWLAN_GTK_REKEY_FAILURE
|
630 WIPHY_WOWLAN_4WAY_HANDSHAKE
;
632 mvm
->wowlan
.n_patterns
= IWL_WOWLAN_MAX_PATTERNS
;
633 mvm
->wowlan
.pattern_min_len
= IWL_WOWLAN_MIN_PATTERN_LEN
;
634 mvm
->wowlan
.pattern_max_len
= IWL_WOWLAN_MAX_PATTERN_LEN
;
635 mvm
->wowlan
.max_nd_match_sets
= IWL_SCAN_MAX_PROFILES
;
636 mvm
->wowlan
.tcp
= &iwl_mvm_wowlan_tcp_support
;
637 hw
->wiphy
->wowlan
= &mvm
->wowlan
;
641 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
642 /* assign default bcast filtering configuration */
643 mvm
->bcast_filters
= iwl_mvm_default_bcast_filters
;
646 ret
= iwl_mvm_leds_init(mvm
);
650 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
651 IWL_UCODE_TLV_CAPA_TDLS_SUPPORT
)) {
652 IWL_DEBUG_TDLS(mvm
, "TDLS supported\n");
653 hw
->wiphy
->flags
|= WIPHY_FLAG_SUPPORTS_TDLS
;
654 ieee80211_hw_set(hw
, TDLS_WIDER_BW
);
657 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
658 IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH
)) {
659 IWL_DEBUG_TDLS(mvm
, "TDLS channel switch supported\n");
660 hw
->wiphy
->features
|= NL80211_FEATURE_TDLS_CHANNEL_SWITCH
;
663 hw
->netdev_features
|= mvm
->cfg
->features
;
664 if (!iwl_mvm_is_csum_supported(mvm
))
665 hw
->netdev_features
&= ~NETIF_F_RXCSUM
;
667 ret
= ieee80211_register_hw(mvm
->hw
);
669 iwl_mvm_leds_exit(mvm
);
674 static bool iwl_mvm_defer_tx(struct iwl_mvm
*mvm
,
675 struct ieee80211_sta
*sta
,
678 struct iwl_mvm_sta
*mvmsta
;
682 * double check the IN_D0I3 flag both before and after
683 * taking the spinlock, in order to prevent taking
684 * the spinlock when not needed.
686 if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
)))
689 spin_lock(&mvm
->d0i3_tx_lock
);
691 * testing the flag again ensures the skb dequeue
692 * loop (on d0i3 exit) hasn't run yet.
694 if (!test_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
))
697 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
698 if (mvmsta
->sta_id
== IWL_MVM_STATION_COUNT
||
699 mvmsta
->sta_id
!= mvm
->d0i3_ap_sta_id
)
702 __skb_queue_tail(&mvm
->d0i3_tx
, skb
);
703 ieee80211_stop_queues(mvm
->hw
);
706 iwl_mvm_ref(mvm
, IWL_MVM_REF_TX
);
707 iwl_mvm_unref(mvm
, IWL_MVM_REF_TX
);
711 spin_unlock(&mvm
->d0i3_tx_lock
);
715 static void iwl_mvm_mac_tx(struct ieee80211_hw
*hw
,
716 struct ieee80211_tx_control
*control
,
719 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
720 struct ieee80211_sta
*sta
= control
->sta
;
721 struct ieee80211_tx_info
*info
= IEEE80211_SKB_CB(skb
);
722 struct ieee80211_hdr
*hdr
= (void *)skb
->data
;
724 if (iwl_mvm_is_radio_killed(mvm
)) {
725 IWL_DEBUG_DROP(mvm
, "Dropping - RF/CT KILL\n");
729 if (IEEE80211_SKB_CB(skb
)->hw_queue
== IWL_MVM_OFFCHANNEL_QUEUE
&&
730 !test_bit(IWL_MVM_STATUS_ROC_RUNNING
, &mvm
->status
) &&
731 !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING
, &mvm
->status
))
734 /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */
735 if (unlikely(info
->flags
& IEEE80211_TX_CTL_NO_PS_BUFFER
&&
736 ieee80211_is_mgmt(hdr
->frame_control
) &&
737 !ieee80211_is_deauth(hdr
->frame_control
) &&
738 !ieee80211_is_disassoc(hdr
->frame_control
) &&
739 !ieee80211_is_action(hdr
->frame_control
)))
743 if (iwl_mvm_defer_tx(mvm
, sta
, skb
))
745 if (iwl_mvm_tx_skb(mvm
, skb
, sta
))
750 if (iwl_mvm_tx_skb_non_sta(mvm
, skb
))
754 ieee80211_free_txskb(hw
, skb
);
757 static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg
*cfg
)
759 if (iwlwifi_mod_params
.disable_11n
& IWL_DISABLE_HT_RXAGG
)
764 static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg
*cfg
)
766 if (iwlwifi_mod_params
.disable_11n
& IWL_DISABLE_HT_TXAGG
)
768 if (iwlwifi_mod_params
.disable_11n
& IWL_ENABLE_HT_TXAGG
)
771 /* enabled by default */
775 #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \
777 if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \
779 iwl_mvm_fw_dbg_collect_trig(_mvm, _trig, _fmt); \
783 iwl_mvm_ampdu_check_trigger(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
784 struct ieee80211_sta
*sta
, u16 tid
, u16 rx_ba_ssn
,
785 enum ieee80211_ampdu_mlme_action action
)
787 struct iwl_fw_dbg_trigger_tlv
*trig
;
788 struct iwl_fw_dbg_trigger_ba
*ba_trig
;
790 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_BA
))
793 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_BA
);
794 ba_trig
= (void *)trig
->data
;
796 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
800 case IEEE80211_AMPDU_TX_OPERATIONAL
: {
801 struct iwl_mvm_sta
*mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
802 struct iwl_mvm_tid_data
*tid_data
= &mvmsta
->tid_data
[tid
];
804 CHECK_BA_TRIGGER(mvm
, trig
, ba_trig
->tx_ba_start
, tid
,
805 "TX AGG START: MAC %pM tid %d ssn %d\n",
806 sta
->addr
, tid
, tid_data
->ssn
);
809 case IEEE80211_AMPDU_TX_STOP_CONT
:
810 CHECK_BA_TRIGGER(mvm
, trig
, ba_trig
->tx_ba_stop
, tid
,
811 "TX AGG STOP: MAC %pM tid %d\n",
814 case IEEE80211_AMPDU_RX_START
:
815 CHECK_BA_TRIGGER(mvm
, trig
, ba_trig
->rx_ba_start
, tid
,
816 "RX AGG START: MAC %pM tid %d ssn %d\n",
817 sta
->addr
, tid
, rx_ba_ssn
);
819 case IEEE80211_AMPDU_RX_STOP
:
820 CHECK_BA_TRIGGER(mvm
, trig
, ba_trig
->rx_ba_stop
, tid
,
821 "RX AGG STOP: MAC %pM tid %d\n",
829 static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw
*hw
,
830 struct ieee80211_vif
*vif
,
831 enum ieee80211_ampdu_mlme_action action
,
832 struct ieee80211_sta
*sta
, u16 tid
,
833 u16
*ssn
, u8 buf_size
, bool amsdu
)
835 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
837 bool tx_agg_ref
= false;
839 IWL_DEBUG_HT(mvm
, "A-MPDU action on addr %pM tid %d: action %d\n",
840 sta
->addr
, tid
, action
);
842 if (!(mvm
->nvm_data
->sku_cap_11n_enable
))
845 /* return from D0i3 before starting a new Tx aggregation */
847 case IEEE80211_AMPDU_TX_START
:
848 case IEEE80211_AMPDU_TX_STOP_CONT
:
849 case IEEE80211_AMPDU_TX_STOP_FLUSH
:
850 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT
:
851 case IEEE80211_AMPDU_TX_OPERATIONAL
:
853 * for tx start, wait synchronously until D0i3 exit to
854 * get the correct sequence number for the tid.
855 * additionally, some other ampdu actions use direct
856 * target access, which is not handled automatically
857 * by the trans layer (unlike commands), so wait for
858 * d0i3 exit in these cases as well.
860 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_TX_AGG
);
870 mutex_lock(&mvm
->mutex
);
873 case IEEE80211_AMPDU_RX_START
:
874 if (!iwl_enable_rx_ampdu(mvm
->cfg
)) {
878 ret
= iwl_mvm_sta_rx_agg(mvm
, sta
, tid
, *ssn
, true);
880 case IEEE80211_AMPDU_RX_STOP
:
881 ret
= iwl_mvm_sta_rx_agg(mvm
, sta
, tid
, 0, false);
883 case IEEE80211_AMPDU_TX_START
:
884 if (!iwl_enable_tx_ampdu(mvm
->cfg
)) {
888 ret
= iwl_mvm_sta_tx_agg_start(mvm
, vif
, sta
, tid
, ssn
);
890 case IEEE80211_AMPDU_TX_STOP_CONT
:
891 ret
= iwl_mvm_sta_tx_agg_stop(mvm
, vif
, sta
, tid
);
893 case IEEE80211_AMPDU_TX_STOP_FLUSH
:
894 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT
:
895 ret
= iwl_mvm_sta_tx_agg_flush(mvm
, vif
, sta
, tid
);
897 case IEEE80211_AMPDU_TX_OPERATIONAL
:
898 ret
= iwl_mvm_sta_tx_agg_oper(mvm
, vif
, sta
, tid
, buf_size
);
909 if (action
== IEEE80211_AMPDU_RX_START
)
912 iwl_mvm_ampdu_check_trigger(mvm
, vif
, sta
, tid
,
915 mutex_unlock(&mvm
->mutex
);
918 * If the tid is marked as started, we won't use it for offloaded
919 * traffic on the next D0i3 entry. It's safe to unref.
922 iwl_mvm_unref(mvm
, IWL_MVM_REF_TX_AGG
);
927 static void iwl_mvm_cleanup_iterator(void *data
, u8
*mac
,
928 struct ieee80211_vif
*vif
)
930 struct iwl_mvm
*mvm
= data
;
931 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
933 mvmvif
->uploaded
= false;
934 mvmvif
->ap_sta_id
= IWL_MVM_STATION_COUNT
;
936 spin_lock_bh(&mvm
->time_event_lock
);
937 iwl_mvm_te_clear_data(mvm
, &mvmvif
->time_event_data
);
938 spin_unlock_bh(&mvm
->time_event_lock
);
940 mvmvif
->phy_ctxt
= NULL
;
941 memset(&mvmvif
->bf_data
, 0, sizeof(mvmvif
->bf_data
));
944 static void iwl_mvm_restart_cleanup(struct iwl_mvm
*mvm
)
946 /* clear the D3 reconfig, we only need it to avoid dumping a
947 * firmware coredump on reconfiguration, we shouldn't do that
948 * on D3->D0 transition
950 if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG
, &mvm
->status
)) {
951 mvm
->fw_dump_desc
= &iwl_mvm_dump_desc_assert
;
952 iwl_mvm_fw_error_dump(mvm
);
955 /* cleanup all stale references (scan, roc), but keep the
956 * ucode_down ref until reconfig is complete
958 iwl_mvm_unref_all_except(mvm
, IWL_MVM_REF_UCODE_DOWN
);
960 iwl_trans_stop_device(mvm
->trans
);
962 mvm
->scan_status
= 0;
963 mvm
->ps_disabled
= false;
964 mvm
->calibrating
= false;
966 /* just in case one was running */
967 ieee80211_remain_on_channel_expired(mvm
->hw
);
970 * cleanup all interfaces, even inactive ones, as some might have
971 * gone down during the HW restart
973 ieee80211_iterate_interfaces(mvm
->hw
, 0, iwl_mvm_cleanup_iterator
, mvm
);
975 mvm
->p2p_device_vif
= NULL
;
976 mvm
->d0i3_ap_sta_id
= IWL_MVM_STATION_COUNT
;
978 iwl_mvm_reset_phy_ctxts(mvm
);
979 memset(mvm
->sta_drained
, 0, sizeof(mvm
->sta_drained
));
980 memset(mvm
->tfd_drained
, 0, sizeof(mvm
->tfd_drained
));
981 memset(&mvm
->last_bt_notif
, 0, sizeof(mvm
->last_bt_notif
));
982 memset(&mvm
->last_bt_notif_old
, 0, sizeof(mvm
->last_bt_notif_old
));
983 memset(&mvm
->last_bt_ci_cmd
, 0, sizeof(mvm
->last_bt_ci_cmd
));
984 memset(&mvm
->last_bt_ci_cmd_old
, 0, sizeof(mvm
->last_bt_ci_cmd_old
));
985 memset(&mvm
->bt_ack_kill_msk
, 0, sizeof(mvm
->bt_ack_kill_msk
));
986 memset(&mvm
->bt_cts_kill_msk
, 0, sizeof(mvm
->bt_cts_kill_msk
));
988 ieee80211_wake_queues(mvm
->hw
);
990 /* clear any stale d0i3 state */
991 clear_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
);
994 mvm
->rx_ba_sessions
= 0;
995 mvm
->fw_dbg_conf
= FW_DBG_INVALID
;
997 /* keep statistics ticking */
998 iwl_mvm_accu_radio_stats(mvm
);
1001 int __iwl_mvm_mac_start(struct iwl_mvm
*mvm
)
1005 lockdep_assert_held(&mvm
->mutex
);
1007 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
)) {
1008 /* Clean up some internal and mac80211 state on restart */
1009 iwl_mvm_restart_cleanup(mvm
);
1011 /* Hold the reference to prevent runtime suspend while
1012 * the start procedure runs. It's a bit confusing
1013 * that the UCODE_DOWN reference is taken, but it just
1014 * means "UCODE is not UP yet". ( TODO: rename this
1017 iwl_mvm_ref(mvm
, IWL_MVM_REF_UCODE_DOWN
);
1019 ret
= iwl_mvm_up(mvm
);
1021 if (ret
&& test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
)) {
1022 /* Something went wrong - we need to finish some cleanup
1023 * that normally iwl_mvm_mac_restart_complete() below
1026 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
);
1027 iwl_mvm_d0i3_enable_tx(mvm
, NULL
);
1033 static int iwl_mvm_mac_start(struct ieee80211_hw
*hw
)
1035 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1038 /* Some hw restart cleanups must not hold the mutex */
1039 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
)) {
1041 * Make sure we are out of d0i3. This is needed
1042 * to make sure the reference accounting is correct
1043 * (and there is no stale d0i3_exit_work).
1045 wait_event_timeout(mvm
->d0i3_exit_waitq
,
1046 !test_bit(IWL_MVM_STATUS_IN_D0I3
,
1051 mutex_lock(&mvm
->mutex
);
1052 ret
= __iwl_mvm_mac_start(mvm
);
1053 mutex_unlock(&mvm
->mutex
);
1058 static void iwl_mvm_restart_complete(struct iwl_mvm
*mvm
)
1062 mutex_lock(&mvm
->mutex
);
1064 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
);
1065 iwl_mvm_d0i3_enable_tx(mvm
, NULL
);
1066 ret
= iwl_mvm_update_quotas(mvm
, true, NULL
);
1068 IWL_ERR(mvm
, "Failed to update quotas after restart (%d)\n",
1071 /* allow transport/FW low power modes */
1072 iwl_mvm_unref(mvm
, IWL_MVM_REF_UCODE_DOWN
);
1075 * If we have TDLS peers, remove them. We don't know the last seqno/PN
1076 * of packets the FW sent out, so we must reconnect.
1078 iwl_mvm_teardown_tdls_peers(mvm
);
1080 mutex_unlock(&mvm
->mutex
);
1083 static void iwl_mvm_resume_complete(struct iwl_mvm
*mvm
)
1085 if (!iwl_mvm_is_d0i3_supported(mvm
))
1088 if (mvm
->trans
->d0i3_mode
== IWL_D0I3_MODE_ON_SUSPEND
)
1089 if (!wait_event_timeout(mvm
->d0i3_exit_waitq
,
1090 !test_bit(IWL_MVM_STATUS_IN_D0I3
,
1093 WARN_ONCE(1, "D0i3 exit on resume timed out\n");
1097 iwl_mvm_mac_reconfig_complete(struct ieee80211_hw
*hw
,
1098 enum ieee80211_reconfig_type reconfig_type
)
1100 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1102 switch (reconfig_type
) {
1103 case IEEE80211_RECONFIG_TYPE_RESTART
:
1104 iwl_mvm_restart_complete(mvm
);
1106 case IEEE80211_RECONFIG_TYPE_SUSPEND
:
1107 iwl_mvm_resume_complete(mvm
);
1112 void __iwl_mvm_mac_stop(struct iwl_mvm
*mvm
)
1114 lockdep_assert_held(&mvm
->mutex
);
1116 /* firmware counters are obviously reset now, but we shouldn't
1117 * partially track so also clear the fw_reset_accu counters.
1119 memset(&mvm
->accu_radio_stats
, 0, sizeof(mvm
->accu_radio_stats
));
1121 /* async_handlers_wk is now blocked */
1124 * The work item could be running or queued if the
1125 * ROC time event stops just as we get here.
1127 flush_work(&mvm
->roc_done_wk
);
1129 iwl_trans_stop_device(mvm
->trans
);
1131 iwl_mvm_async_handlers_purge(mvm
);
1132 /* async_handlers_list is empty and will stay empty: HW is stopped */
1134 /* the fw is stopped, the aux sta is dead: clean up driver state */
1135 iwl_mvm_del_aux_sta(mvm
);
1138 * Clear IN_HW_RESTART flag when stopping the hw (as restart_complete()
1139 * won't be called in this case).
1140 * But make sure to cleanup interfaces that have gone down before/during
1141 * HW restart was requested.
1143 if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
))
1144 ieee80211_iterate_interfaces(mvm
->hw
, 0,
1145 iwl_mvm_cleanup_iterator
, mvm
);
1147 /* We shouldn't have any UIDs still set. Loop over all the UIDs to
1148 * make sure there's nothing left there and warn if any is found.
1150 if (fw_has_capa(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_CAPA_UMAC_SCAN
)) {
1153 for (i
= 0; i
< mvm
->max_scans
; i
++) {
1154 if (WARN_ONCE(mvm
->scan_uid_status
[i
],
1155 "UMAC scan UID %d status was not cleaned\n",
1157 mvm
->scan_uid_status
[i
] = 0;
1161 mvm
->ucode_loaded
= false;
1164 static void iwl_mvm_mac_stop(struct ieee80211_hw
*hw
)
1166 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1168 flush_work(&mvm
->d0i3_exit_work
);
1169 flush_work(&mvm
->async_handlers_wk
);
1170 cancel_delayed_work_sync(&mvm
->fw_dump_wk
);
1171 iwl_mvm_free_fw_dump_desc(mvm
);
1173 mutex_lock(&mvm
->mutex
);
1174 __iwl_mvm_mac_stop(mvm
);
1175 mutex_unlock(&mvm
->mutex
);
1178 * The worker might have been waiting for the mutex, let it run and
1179 * discover that its list is now empty.
1181 cancel_work_sync(&mvm
->async_handlers_wk
);
1184 static struct iwl_mvm_phy_ctxt
*iwl_mvm_get_free_phy_ctxt(struct iwl_mvm
*mvm
)
1188 lockdep_assert_held(&mvm
->mutex
);
1190 for (i
= 0; i
< NUM_PHY_CTX
; i
++)
1191 if (!mvm
->phy_ctxts
[i
].ref
)
1192 return &mvm
->phy_ctxts
[i
];
1194 IWL_ERR(mvm
, "No available PHY context\n");
1198 static int iwl_mvm_set_tx_power(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
1201 struct iwl_dev_tx_power_cmd cmd
= {
1202 .v2
.set_mode
= cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC
),
1203 .v2
.mac_context_id
=
1204 cpu_to_le32(iwl_mvm_vif_from_mac80211(vif
)->id
),
1205 .v2
.pwr_restriction
= cpu_to_le16(8 * tx_power
),
1207 int len
= sizeof(cmd
);
1209 if (tx_power
== IWL_DEFAULT_MAX_TX_POWER
)
1210 cmd
.v2
.pwr_restriction
= cpu_to_le16(IWL_DEV_MAX_TX_POWER
);
1212 if (!fw_has_api(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_API_TX_POWER_CHAIN
))
1213 len
= sizeof(cmd
.v2
);
1215 return iwl_mvm_send_cmd_pdu(mvm
, REDUCE_TX_POWER_CMD
, 0, len
, &cmd
);
1218 static int iwl_mvm_mac_add_interface(struct ieee80211_hw
*hw
,
1219 struct ieee80211_vif
*vif
)
1221 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1222 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1228 * make sure D0i3 exit is completed, otherwise a target access
1229 * during tx queue configuration could be done when still in
1232 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_ADD_IF
);
1237 * Not much to do here. The stack will not allow interface
1238 * types or combinations that we didn't advertise, so we
1239 * don't really have to check the types.
1242 mutex_lock(&mvm
->mutex
);
1244 /* make sure that beacon statistics don't go backwards with FW reset */
1245 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
))
1246 mvmvif
->beacon_stats
.accu_num_beacons
+=
1247 mvmvif
->beacon_stats
.num_beacons
;
1249 /* Allocate resources for the MAC context, and add it to the fw */
1250 ret
= iwl_mvm_mac_ctxt_init(mvm
, vif
);
1254 /* Counting number of interfaces is needed for legacy PM */
1255 if (vif
->type
!= NL80211_IFTYPE_P2P_DEVICE
)
1259 * The AP binding flow can be done only after the beacon
1260 * template is configured (which happens only in the mac80211
1261 * start_ap() flow), and adding the broadcast station can happen
1262 * only after the binding.
1263 * In addition, since modifying the MAC before adding a bcast
1264 * station is not allowed by the FW, delay the adding of MAC context to
1265 * the point where we can also add the bcast station.
1266 * In short: there's not much we can do at this point, other than
1267 * allocating resources :)
1269 if (vif
->type
== NL80211_IFTYPE_AP
||
1270 vif
->type
== NL80211_IFTYPE_ADHOC
) {
1271 ret
= iwl_mvm_alloc_bcast_sta(mvm
, vif
);
1273 IWL_ERR(mvm
, "Failed to allocate bcast sta\n");
1277 iwl_mvm_vif_dbgfs_register(mvm
, vif
);
1281 mvmvif
->features
|= hw
->netdev_features
;
1283 ret
= iwl_mvm_mac_ctxt_add(mvm
, vif
);
1287 ret
= iwl_mvm_power_update_mac(mvm
);
1289 goto out_remove_mac
;
1291 /* beacon filtering */
1292 ret
= iwl_mvm_disable_beacon_filter(mvm
, vif
, 0);
1294 goto out_remove_mac
;
1296 if (!mvm
->bf_allowed_vif
&&
1297 vif
->type
== NL80211_IFTYPE_STATION
&& !vif
->p2p
) {
1298 mvm
->bf_allowed_vif
= mvmvif
;
1299 vif
->driver_flags
|= IEEE80211_VIF_BEACON_FILTER
|
1300 IEEE80211_VIF_SUPPORTS_CQM_RSSI
;
1304 * P2P_DEVICE interface does not have a channel context assigned to it,
1305 * so a dedicated PHY context is allocated to it and the corresponding
1306 * MAC context is bound to it at this stage.
1308 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
1310 mvmvif
->phy_ctxt
= iwl_mvm_get_free_phy_ctxt(mvm
);
1311 if (!mvmvif
->phy_ctxt
) {
1316 iwl_mvm_phy_ctxt_ref(mvm
, mvmvif
->phy_ctxt
);
1317 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
1321 ret
= iwl_mvm_add_bcast_sta(mvm
, vif
);
1325 /* Save a pointer to p2p device vif, so it can later be used to
1326 * update the p2p device MAC when a GO is started/stopped */
1327 mvm
->p2p_device_vif
= vif
;
1330 iwl_mvm_vif_dbgfs_register(mvm
, vif
);
1334 iwl_mvm_binding_remove_vif(mvm
, vif
);
1336 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
1338 if (mvm
->bf_allowed_vif
== mvmvif
) {
1339 mvm
->bf_allowed_vif
= NULL
;
1340 vif
->driver_flags
&= ~(IEEE80211_VIF_BEACON_FILTER
|
1341 IEEE80211_VIF_SUPPORTS_CQM_RSSI
);
1344 mvmvif
->phy_ctxt
= NULL
;
1345 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
1347 if (vif
->type
!= NL80211_IFTYPE_P2P_DEVICE
)
1350 iwl_mvm_mac_ctxt_release(mvm
, vif
);
1352 mutex_unlock(&mvm
->mutex
);
1354 iwl_mvm_unref(mvm
, IWL_MVM_REF_ADD_IF
);
1359 static void iwl_mvm_prepare_mac_removal(struct iwl_mvm
*mvm
,
1360 struct ieee80211_vif
*vif
)
1362 u32 tfd_msk
= iwl_mvm_mac_get_queues_mask(vif
);
1366 * mac80211 first removes all the stations of the vif and
1367 * then removes the vif. When it removes a station it also
1368 * flushes the AMPDU session. So by now, all the AMPDU sessions
1369 * of all the stations of this vif are closed, and the queues
1370 * of these AMPDU sessions are properly closed.
1371 * We still need to take care of the shared queues of the vif.
1374 mutex_lock(&mvm
->mutex
);
1375 iwl_mvm_flush_tx_path(mvm
, tfd_msk
, 0);
1376 mutex_unlock(&mvm
->mutex
);
1379 * There are transports that buffer a few frames in the host.
1380 * For these, the flush above isn't enough since while we were
1381 * flushing, the transport might have sent more frames to the
1382 * device. To solve this, wait here until the transport is
1383 * empty. Technically, this could have replaced the flush
1384 * above, but flush is much faster than draining. So flush
1385 * first, and drain to make sure we have no frames in the
1386 * transport anymore.
1387 * If a station still had frames on the shared queues, it is
1388 * already marked as draining, so to complete the draining, we
1389 * just need to wait until the transport is empty.
1391 iwl_trans_wait_tx_queue_empty(mvm
->trans
, tfd_msk
);
1394 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
1396 * Flush the ROC worker which will flush the OFFCHANNEL queue.
1397 * We assume here that all the packets sent to the OFFCHANNEL
1398 * queue are sent in ROC session.
1400 flush_work(&mvm
->roc_done_wk
);
1403 * By now, all the AC queues are empty. The AGG queues are
1404 * empty too. We already got all the Tx responses for all the
1405 * packets in the queues. The drain work can have been
1406 * triggered. Flush it.
1408 flush_work(&mvm
->sta_drained_wk
);
1412 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw
*hw
,
1413 struct ieee80211_vif
*vif
)
1415 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1416 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1418 iwl_mvm_prepare_mac_removal(mvm
, vif
);
1420 mutex_lock(&mvm
->mutex
);
1422 if (mvm
->bf_allowed_vif
== mvmvif
) {
1423 mvm
->bf_allowed_vif
= NULL
;
1424 vif
->driver_flags
&= ~(IEEE80211_VIF_BEACON_FILTER
|
1425 IEEE80211_VIF_SUPPORTS_CQM_RSSI
);
1428 iwl_mvm_vif_dbgfs_clean(mvm
, vif
);
1431 * For AP/GO interface, the tear down of the resources allocated to the
1432 * interface is be handled as part of the stop_ap flow.
1434 if (vif
->type
== NL80211_IFTYPE_AP
||
1435 vif
->type
== NL80211_IFTYPE_ADHOC
) {
1436 #ifdef CONFIG_NL80211_TESTMODE
1437 if (vif
== mvm
->noa_vif
) {
1438 mvm
->noa_vif
= NULL
;
1439 mvm
->noa_duration
= 0;
1442 iwl_mvm_dealloc_bcast_sta(mvm
, vif
);
1446 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
1447 mvm
->p2p_device_vif
= NULL
;
1448 iwl_mvm_rm_bcast_sta(mvm
, vif
);
1449 iwl_mvm_binding_remove_vif(mvm
, vif
);
1450 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
1451 mvmvif
->phy_ctxt
= NULL
;
1454 if (mvm
->vif_count
&& vif
->type
!= NL80211_IFTYPE_P2P_DEVICE
)
1457 iwl_mvm_power_update_mac(mvm
);
1458 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
1461 iwl_mvm_mac_ctxt_release(mvm
, vif
);
1462 mutex_unlock(&mvm
->mutex
);
1465 static int iwl_mvm_mac_config(struct ieee80211_hw
*hw
, u32 changed
)
1470 struct iwl_mvm_mc_iter_data
{
1471 struct iwl_mvm
*mvm
;
1475 static void iwl_mvm_mc_iface_iterator(void *_data
, u8
*mac
,
1476 struct ieee80211_vif
*vif
)
1478 struct iwl_mvm_mc_iter_data
*data
= _data
;
1479 struct iwl_mvm
*mvm
= data
->mvm
;
1480 struct iwl_mcast_filter_cmd
*cmd
= mvm
->mcast_filter_cmd
;
1483 /* if we don't have free ports, mcast frames will be dropped */
1484 if (WARN_ON_ONCE(data
->port_id
>= MAX_PORT_ID_NUM
))
1487 if (vif
->type
!= NL80211_IFTYPE_STATION
||
1488 !vif
->bss_conf
.assoc
)
1491 cmd
->port_id
= data
->port_id
++;
1492 memcpy(cmd
->bssid
, vif
->bss_conf
.bssid
, ETH_ALEN
);
1493 len
= roundup(sizeof(*cmd
) + cmd
->count
* ETH_ALEN
, 4);
1495 ret
= iwl_mvm_send_cmd_pdu(mvm
, MCAST_FILTER_CMD
, CMD_ASYNC
, len
, cmd
);
1497 IWL_ERR(mvm
, "mcast filter cmd error. ret=%d\n", ret
);
1500 static void iwl_mvm_recalc_multicast(struct iwl_mvm
*mvm
)
1502 struct iwl_mvm_mc_iter_data iter_data
= {
1506 lockdep_assert_held(&mvm
->mutex
);
1508 if (WARN_ON_ONCE(!mvm
->mcast_filter_cmd
))
1511 ieee80211_iterate_active_interfaces_atomic(
1512 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
1513 iwl_mvm_mc_iface_iterator
, &iter_data
);
1516 static u64
iwl_mvm_prepare_multicast(struct ieee80211_hw
*hw
,
1517 struct netdev_hw_addr_list
*mc_list
)
1519 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1520 struct iwl_mcast_filter_cmd
*cmd
;
1521 struct netdev_hw_addr
*addr
;
1526 addr_count
= netdev_hw_addr_list_count(mc_list
);
1527 pass_all
= addr_count
> MAX_MCAST_FILTERING_ADDRESSES
||
1528 IWL_MVM_FW_MCAST_FILTER_PASS_ALL
;
1532 len
= roundup(sizeof(*cmd
) + addr_count
* ETH_ALEN
, 4);
1533 cmd
= kzalloc(len
, GFP_ATOMIC
);
1539 return (u64
)(unsigned long)cmd
;
1542 netdev_hw_addr_list_for_each(addr
, mc_list
) {
1543 IWL_DEBUG_MAC80211(mvm
, "mcast addr (%d): %pM\n",
1544 cmd
->count
, addr
->addr
);
1545 memcpy(&cmd
->addr_list
[cmd
->count
* ETH_ALEN
],
1546 addr
->addr
, ETH_ALEN
);
1550 return (u64
)(unsigned long)cmd
;
1553 static void iwl_mvm_configure_filter(struct ieee80211_hw
*hw
,
1554 unsigned int changed_flags
,
1555 unsigned int *total_flags
,
1558 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1559 struct iwl_mcast_filter_cmd
*cmd
= (void *)(unsigned long)multicast
;
1561 mutex_lock(&mvm
->mutex
);
1563 /* replace previous configuration */
1564 kfree(mvm
->mcast_filter_cmd
);
1565 mvm
->mcast_filter_cmd
= cmd
;
1570 iwl_mvm_recalc_multicast(mvm
);
1572 mutex_unlock(&mvm
->mutex
);
1576 static void iwl_mvm_config_iface_filter(struct ieee80211_hw
*hw
,
1577 struct ieee80211_vif
*vif
,
1578 unsigned int filter_flags
,
1579 unsigned int changed_flags
)
1581 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1583 /* We support only filter for probe requests */
1584 if (!(changed_flags
& FIF_PROBE_REQ
))
1587 /* Supported only for p2p client interfaces */
1588 if (vif
->type
!= NL80211_IFTYPE_STATION
|| !vif
->bss_conf
.assoc
||
1592 mutex_lock(&mvm
->mutex
);
1593 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
1594 mutex_unlock(&mvm
->mutex
);
1597 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1598 struct iwl_bcast_iter_data
{
1599 struct iwl_mvm
*mvm
;
1600 struct iwl_bcast_filter_cmd
*cmd
;
1605 iwl_mvm_set_bcast_filter(struct ieee80211_vif
*vif
,
1606 const struct iwl_fw_bcast_filter
*in_filter
,
1607 struct iwl_fw_bcast_filter
*out_filter
)
1609 struct iwl_fw_bcast_filter_attr
*attr
;
1612 memcpy(out_filter
, in_filter
, sizeof(*out_filter
));
1614 for (i
= 0; i
< ARRAY_SIZE(out_filter
->attrs
); i
++) {
1615 attr
= &out_filter
->attrs
[i
];
1620 switch (attr
->reserved1
) {
1621 case cpu_to_le16(BC_FILTER_MAGIC_IP
):
1622 if (vif
->bss_conf
.arp_addr_cnt
!= 1) {
1627 attr
->val
= vif
->bss_conf
.arp_addr_list
[0];
1629 case cpu_to_le16(BC_FILTER_MAGIC_MAC
):
1630 attr
->val
= *(__be32
*)&vif
->addr
[2];
1635 attr
->reserved1
= 0;
1636 out_filter
->num_attrs
++;
1640 static void iwl_mvm_bcast_filter_iterator(void *_data
, u8
*mac
,
1641 struct ieee80211_vif
*vif
)
1643 struct iwl_bcast_iter_data
*data
= _data
;
1644 struct iwl_mvm
*mvm
= data
->mvm
;
1645 struct iwl_bcast_filter_cmd
*cmd
= data
->cmd
;
1646 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1647 struct iwl_fw_bcast_mac
*bcast_mac
;
1650 if (WARN_ON(mvmvif
->id
>= ARRAY_SIZE(cmd
->macs
)))
1653 bcast_mac
= &cmd
->macs
[mvmvif
->id
];
1656 * enable filtering only for associated stations, but not for P2P
1659 if (vif
->type
!= NL80211_IFTYPE_STATION
|| vif
->p2p
||
1660 !vif
->bss_conf
.assoc
)
1663 bcast_mac
->default_discard
= 1;
1665 /* copy all configured filters */
1666 for (i
= 0; mvm
->bcast_filters
[i
].attrs
[0].mask
; i
++) {
1668 * Make sure we don't exceed our filters limit.
1669 * if there is still a valid filter to be configured,
1670 * be on the safe side and just allow bcast for this mac.
1672 if (WARN_ON_ONCE(data
->current_filter
>=
1673 ARRAY_SIZE(cmd
->filters
))) {
1674 bcast_mac
->default_discard
= 0;
1675 bcast_mac
->attached_filters
= 0;
1679 iwl_mvm_set_bcast_filter(vif
,
1680 &mvm
->bcast_filters
[i
],
1681 &cmd
->filters
[data
->current_filter
]);
1683 /* skip current filter if it contains no attributes */
1684 if (!cmd
->filters
[data
->current_filter
].num_attrs
)
1687 /* attach the filter to current mac */
1688 bcast_mac
->attached_filters
|=
1689 cpu_to_le16(BIT(data
->current_filter
));
1691 data
->current_filter
++;
1695 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm
*mvm
,
1696 struct iwl_bcast_filter_cmd
*cmd
)
1698 struct iwl_bcast_iter_data iter_data
= {
1703 if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL
)
1706 memset(cmd
, 0, sizeof(*cmd
));
1707 cmd
->max_bcast_filters
= ARRAY_SIZE(cmd
->filters
);
1708 cmd
->max_macs
= ARRAY_SIZE(cmd
->macs
);
1710 #ifdef CONFIG_IWLWIFI_DEBUGFS
1711 /* use debugfs filters/macs if override is configured */
1712 if (mvm
->dbgfs_bcast_filtering
.override
) {
1713 memcpy(cmd
->filters
, &mvm
->dbgfs_bcast_filtering
.cmd
.filters
,
1714 sizeof(cmd
->filters
));
1715 memcpy(cmd
->macs
, &mvm
->dbgfs_bcast_filtering
.cmd
.macs
,
1721 /* if no filters are configured, do nothing */
1722 if (!mvm
->bcast_filters
)
1725 /* configure and attach these filters for each associated sta vif */
1726 ieee80211_iterate_active_interfaces(
1727 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
1728 iwl_mvm_bcast_filter_iterator
, &iter_data
);
1732 static int iwl_mvm_configure_bcast_filter(struct iwl_mvm
*mvm
,
1733 struct ieee80211_vif
*vif
)
1735 struct iwl_bcast_filter_cmd cmd
;
1737 if (!(mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_BCAST_FILTERING
))
1740 if (!iwl_mvm_bcast_filter_build_cmd(mvm
, &cmd
))
1743 return iwl_mvm_send_cmd_pdu(mvm
, BCAST_FILTER_CMD
, 0,
1747 static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm
*mvm
,
1748 struct ieee80211_vif
*vif
)
1754 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm
*mvm
,
1755 struct ieee80211_vif
*vif
,
1756 struct ieee80211_bss_conf
*bss_conf
,
1759 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1763 * Re-calculate the tsf id, as the master-slave relations depend on the
1764 * beacon interval, which was not known when the station interface was
1767 if (changes
& BSS_CHANGED_ASSOC
&& bss_conf
->assoc
)
1768 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm
, vif
);
1771 * If we're not associated yet, take the (new) BSSID before associating
1772 * so the firmware knows. If we're already associated, then use the old
1773 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC
1774 * branch for disassociation below.
1776 if (changes
& BSS_CHANGED_BSSID
&& !mvmvif
->associated
)
1777 memcpy(mvmvif
->bssid
, bss_conf
->bssid
, ETH_ALEN
);
1779 ret
= iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, mvmvif
->bssid
);
1781 IWL_ERR(mvm
, "failed to update MAC %pM\n", vif
->addr
);
1783 /* after sending it once, adopt mac80211 data */
1784 memcpy(mvmvif
->bssid
, bss_conf
->bssid
, ETH_ALEN
);
1785 mvmvif
->associated
= bss_conf
->assoc
;
1787 if (changes
& BSS_CHANGED_ASSOC
) {
1788 if (bss_conf
->assoc
) {
1789 /* clear statistics to get clean beacon counter */
1790 iwl_mvm_request_statistics(mvm
, true);
1791 memset(&mvmvif
->beacon_stats
, 0,
1792 sizeof(mvmvif
->beacon_stats
));
1794 /* add quota for this interface */
1795 ret
= iwl_mvm_update_quotas(mvm
, true, NULL
);
1797 IWL_ERR(mvm
, "failed to update quotas\n");
1801 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
,
1804 * If we're restarting then the firmware will
1805 * obviously have lost synchronisation with
1806 * the AP. It will attempt to synchronise by
1807 * itself, but we can make it more reliable by
1808 * scheduling a session protection time event.
1810 * The firmware needs to receive a beacon to
1811 * catch up with synchronisation, use 110% of
1812 * the beacon interval.
1814 * Set a large maximum delay to allow for more
1815 * than a single interface.
1817 u32 dur
= (11 * vif
->bss_conf
.beacon_int
) / 10;
1818 iwl_mvm_protect_session(mvm
, vif
, dur
, dur
,
1822 iwl_mvm_sf_update(mvm
, vif
, false);
1823 iwl_mvm_power_vif_assoc(mvm
, vif
);
1825 iwl_mvm_ref(mvm
, IWL_MVM_REF_P2P_CLIENT
);
1826 iwl_mvm_update_smps(mvm
, vif
,
1827 IWL_MVM_SMPS_REQ_PROT
,
1828 IEEE80211_SMPS_DYNAMIC
);
1830 } else if (mvmvif
->ap_sta_id
!= IWL_MVM_STATION_COUNT
) {
1832 * If update fails - SF might be running in associated
1833 * mode while disassociated - which is forbidden.
1835 WARN_ONCE(iwl_mvm_sf_update(mvm
, vif
, false),
1836 "Failed to update SF upon disassociation\n");
1838 /* remove AP station now that the MAC is unassoc */
1839 ret
= iwl_mvm_rm_sta_id(mvm
, vif
, mvmvif
->ap_sta_id
);
1841 IWL_ERR(mvm
, "failed to remove AP station\n");
1843 if (mvm
->d0i3_ap_sta_id
== mvmvif
->ap_sta_id
)
1844 mvm
->d0i3_ap_sta_id
= IWL_MVM_STATION_COUNT
;
1845 mvmvif
->ap_sta_id
= IWL_MVM_STATION_COUNT
;
1846 /* remove quota for this interface */
1847 ret
= iwl_mvm_update_quotas(mvm
, false, NULL
);
1849 IWL_ERR(mvm
, "failed to update quotas\n");
1852 iwl_mvm_unref(mvm
, IWL_MVM_REF_P2P_CLIENT
);
1854 /* this will take the cleared BSSID from bss_conf */
1855 ret
= iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
1858 "failed to update MAC %pM (clear after unassoc)\n",
1862 iwl_mvm_recalc_multicast(mvm
);
1863 iwl_mvm_configure_bcast_filter(mvm
, vif
);
1865 /* reset rssi values */
1866 mvmvif
->bf_data
.ave_beacon_signal
= 0;
1868 iwl_mvm_bt_coex_vif_change(mvm
);
1869 iwl_mvm_update_smps(mvm
, vif
, IWL_MVM_SMPS_REQ_TT
,
1870 IEEE80211_SMPS_AUTOMATIC
);
1871 } else if (changes
& BSS_CHANGED_BEACON_INFO
) {
1873 * We received a beacon _after_ association so
1874 * remove the session protection.
1876 iwl_mvm_remove_time_event(mvm
, mvmvif
,
1877 &mvmvif
->time_event_data
);
1880 if (changes
& BSS_CHANGED_BEACON_INFO
) {
1881 iwl_mvm_sf_update(mvm
, vif
, false);
1882 WARN_ON(iwl_mvm_enable_beacon_filter(mvm
, vif
, 0));
1885 if (changes
& (BSS_CHANGED_PS
| BSS_CHANGED_P2P_PS
| BSS_CHANGED_QOS
)) {
1886 ret
= iwl_mvm_power_update_mac(mvm
);
1888 IWL_ERR(mvm
, "failed to update power mode\n");
1891 if (changes
& BSS_CHANGED_TXPOWER
) {
1892 IWL_DEBUG_CALIB(mvm
, "Changing TX Power to %d\n",
1894 iwl_mvm_set_tx_power(mvm
, vif
, bss_conf
->txpower
);
1897 if (changes
& BSS_CHANGED_CQM
) {
1898 IWL_DEBUG_MAC80211(mvm
, "cqm info_changed\n");
1899 /* reset cqm events tracking */
1900 mvmvif
->bf_data
.last_cqm_event
= 0;
1901 if (mvmvif
->bf_data
.bf_enabled
) {
1902 ret
= iwl_mvm_enable_beacon_filter(mvm
, vif
, 0);
1905 "failed to update CQM thresholds\n");
1909 if (changes
& BSS_CHANGED_ARP_FILTER
) {
1910 IWL_DEBUG_MAC80211(mvm
, "arp filter changed\n");
1911 iwl_mvm_configure_bcast_filter(mvm
, vif
);
1915 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw
*hw
,
1916 struct ieee80211_vif
*vif
)
1918 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1919 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1923 * iwl_mvm_mac_ctxt_add() might read directly from the device
1924 * (the system time), so make sure it is available.
1926 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_START_AP
);
1930 mutex_lock(&mvm
->mutex
);
1932 /* Send the beacon template */
1933 ret
= iwl_mvm_mac_ctxt_beacon_changed(mvm
, vif
);
1938 * Re-calculate the tsf id, as the master-slave relations depend on the
1939 * beacon interval, which was not known when the AP interface was added.
1941 if (vif
->type
== NL80211_IFTYPE_AP
)
1942 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm
, vif
);
1944 mvmvif
->ap_assoc_sta_count
= 0;
1946 /* Add the mac context */
1947 ret
= iwl_mvm_mac_ctxt_add(mvm
, vif
);
1951 /* Perform the binding */
1952 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
1956 /* Send the bcast station. At this stage the TBTT and DTIM time events
1957 * are added and applied to the scheduler */
1958 ret
= iwl_mvm_send_add_bcast_sta(mvm
, vif
);
1962 /* must be set before quota calculations */
1963 mvmvif
->ap_ibss_active
= true;
1965 /* power updated needs to be done before quotas */
1966 iwl_mvm_power_update_mac(mvm
);
1968 ret
= iwl_mvm_update_quotas(mvm
, false, NULL
);
1970 goto out_quota_failed
;
1972 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
1973 if (vif
->p2p
&& mvm
->p2p_device_vif
)
1974 iwl_mvm_mac_ctxt_changed(mvm
, mvm
->p2p_device_vif
, false, NULL
);
1976 iwl_mvm_ref(mvm
, IWL_MVM_REF_AP_IBSS
);
1978 iwl_mvm_bt_coex_vif_change(mvm
);
1980 /* we don't support TDLS during DCM */
1981 if (iwl_mvm_phy_ctx_count(mvm
) > 1)
1982 iwl_mvm_teardown_tdls_peers(mvm
);
1987 iwl_mvm_power_update_mac(mvm
);
1988 mvmvif
->ap_ibss_active
= false;
1989 iwl_mvm_send_rm_bcast_sta(mvm
, vif
);
1991 iwl_mvm_binding_remove_vif(mvm
, vif
);
1993 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
1995 mutex_unlock(&mvm
->mutex
);
1996 iwl_mvm_unref(mvm
, IWL_MVM_REF_START_AP
);
2000 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw
*hw
,
2001 struct ieee80211_vif
*vif
)
2003 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2004 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2006 iwl_mvm_prepare_mac_removal(mvm
, vif
);
2008 mutex_lock(&mvm
->mutex
);
2010 /* Handle AP stop while in CSA */
2011 if (rcu_access_pointer(mvm
->csa_vif
) == vif
) {
2012 iwl_mvm_remove_time_event(mvm
, mvmvif
,
2013 &mvmvif
->time_event_data
);
2014 RCU_INIT_POINTER(mvm
->csa_vif
, NULL
);
2015 mvmvif
->csa_countdown
= false;
2018 if (rcu_access_pointer(mvm
->csa_tx_blocked_vif
) == vif
) {
2019 RCU_INIT_POINTER(mvm
->csa_tx_blocked_vif
, NULL
);
2020 mvm
->csa_tx_block_bcn_timeout
= 0;
2023 mvmvif
->ap_ibss_active
= false;
2024 mvm
->ap_last_beacon_gp2
= 0;
2026 iwl_mvm_bt_coex_vif_change(mvm
);
2028 iwl_mvm_unref(mvm
, IWL_MVM_REF_AP_IBSS
);
2030 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
2031 if (vif
->p2p
&& mvm
->p2p_device_vif
)
2032 iwl_mvm_mac_ctxt_changed(mvm
, mvm
->p2p_device_vif
, false, NULL
);
2034 iwl_mvm_update_quotas(mvm
, false, NULL
);
2035 iwl_mvm_send_rm_bcast_sta(mvm
, vif
);
2036 iwl_mvm_binding_remove_vif(mvm
, vif
);
2038 iwl_mvm_power_update_mac(mvm
);
2040 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
2042 mutex_unlock(&mvm
->mutex
);
2046 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm
*mvm
,
2047 struct ieee80211_vif
*vif
,
2048 struct ieee80211_bss_conf
*bss_conf
,
2051 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2053 /* Changes will be applied when the AP/IBSS is started */
2054 if (!mvmvif
->ap_ibss_active
)
2057 if (changes
& (BSS_CHANGED_ERP_CTS_PROT
| BSS_CHANGED_HT
|
2058 BSS_CHANGED_BANDWIDTH
| BSS_CHANGED_QOS
) &&
2059 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
))
2060 IWL_ERR(mvm
, "failed to update MAC %pM\n", vif
->addr
);
2062 /* Need to send a new beacon template to the FW */
2063 if (changes
& BSS_CHANGED_BEACON
&&
2064 iwl_mvm_mac_ctxt_beacon_changed(mvm
, vif
))
2065 IWL_WARN(mvm
, "Failed updating beacon data\n");
2067 if (changes
& BSS_CHANGED_TXPOWER
) {
2068 IWL_DEBUG_CALIB(mvm
, "Changing TX Power to %d\n",
2070 iwl_mvm_set_tx_power(mvm
, vif
, bss_conf
->txpower
);
2075 static void iwl_mvm_bss_info_changed(struct ieee80211_hw
*hw
,
2076 struct ieee80211_vif
*vif
,
2077 struct ieee80211_bss_conf
*bss_conf
,
2080 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2083 * iwl_mvm_bss_info_changed_station() might call
2084 * iwl_mvm_protect_session(), which reads directly from
2085 * the device (the system time), so make sure it is available.
2087 if (iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_BSS_CHANGED
))
2090 mutex_lock(&mvm
->mutex
);
2092 if (changes
& BSS_CHANGED_IDLE
&& !bss_conf
->idle
)
2093 iwl_mvm_scan_stop(mvm
, IWL_MVM_SCAN_SCHED
, true);
2095 switch (vif
->type
) {
2096 case NL80211_IFTYPE_STATION
:
2097 iwl_mvm_bss_info_changed_station(mvm
, vif
, bss_conf
, changes
);
2099 case NL80211_IFTYPE_AP
:
2100 case NL80211_IFTYPE_ADHOC
:
2101 iwl_mvm_bss_info_changed_ap_ibss(mvm
, vif
, bss_conf
, changes
);
2104 /* shouldn't happen */
2108 mutex_unlock(&mvm
->mutex
);
2109 iwl_mvm_unref(mvm
, IWL_MVM_REF_BSS_CHANGED
);
2112 static int iwl_mvm_mac_hw_scan(struct ieee80211_hw
*hw
,
2113 struct ieee80211_vif
*vif
,
2114 struct ieee80211_scan_request
*hw_req
)
2116 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2119 if (hw_req
->req
.n_channels
== 0 ||
2120 hw_req
->req
.n_channels
> mvm
->fw
->ucode_capa
.n_scan_channels
)
2123 mutex_lock(&mvm
->mutex
);
2124 ret
= iwl_mvm_reg_scan_start(mvm
, vif
, &hw_req
->req
, &hw_req
->ies
);
2125 mutex_unlock(&mvm
->mutex
);
2130 static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw
*hw
,
2131 struct ieee80211_vif
*vif
)
2133 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2135 mutex_lock(&mvm
->mutex
);
2137 /* Due to a race condition, it's possible that mac80211 asks
2138 * us to stop a hw_scan when it's already stopped. This can
2139 * happen, for instance, if we stopped the scan ourselves,
2140 * called ieee80211_scan_completed() and the userspace called
2141 * cancel scan scan before ieee80211_scan_work() could run.
2142 * To handle that, simply return if the scan is not running.
2144 if (mvm
->scan_status
& IWL_MVM_SCAN_REGULAR
)
2145 iwl_mvm_scan_stop(mvm
, IWL_MVM_SCAN_REGULAR
, true);
2147 mutex_unlock(&mvm
->mutex
);
2151 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw
*hw
,
2152 struct ieee80211_sta
*sta
, u16 tids
,
2154 enum ieee80211_frame_release_type reason
,
2157 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2159 /* Called when we need to transmit (a) frame(s) from mac80211 */
2161 iwl_mvm_sta_modify_sleep_tx_count(mvm
, sta
, reason
, num_frames
,
2162 tids
, more_data
, false);
2166 iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw
*hw
,
2167 struct ieee80211_sta
*sta
, u16 tids
,
2169 enum ieee80211_frame_release_type reason
,
2172 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2174 /* Called when we need to transmit (a) frame(s) from agg queue */
2176 iwl_mvm_sta_modify_sleep_tx_count(mvm
, sta
, reason
, num_frames
,
2177 tids
, more_data
, true);
2180 static void iwl_mvm_mac_sta_notify(struct ieee80211_hw
*hw
,
2181 struct ieee80211_vif
*vif
,
2182 enum sta_notify_cmd cmd
,
2183 struct ieee80211_sta
*sta
)
2185 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2186 struct iwl_mvm_sta
*mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
2187 unsigned long txqs
= 0, tids
= 0;
2190 spin_lock_bh(&mvmsta
->lock
);
2191 for (tid
= 0; tid
< IWL_MAX_TID_COUNT
; tid
++) {
2192 struct iwl_mvm_tid_data
*tid_data
= &mvmsta
->tid_data
[tid
];
2194 if (tid_data
->state
!= IWL_AGG_ON
&&
2195 tid_data
->state
!= IWL_EMPTYING_HW_QUEUE_DELBA
)
2198 __set_bit(tid_data
->txq_id
, &txqs
);
2200 if (iwl_mvm_tid_queued(tid_data
) == 0)
2203 __set_bit(tid
, &tids
);
2207 case STA_NOTIFY_SLEEP
:
2208 if (atomic_read(&mvm
->pending_frames
[mvmsta
->sta_id
]) > 0)
2209 ieee80211_sta_block_awake(hw
, sta
, true);
2211 for_each_set_bit(tid
, &tids
, IWL_MAX_TID_COUNT
)
2212 ieee80211_sta_set_buffered(sta
, tid
, true);
2215 iwl_trans_freeze_txq_timer(mvm
->trans
, txqs
, true);
2217 * The fw updates the STA to be asleep. Tx packets on the Tx
2218 * queues to this station will not be transmitted. The fw will
2219 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
2222 case STA_NOTIFY_AWAKE
:
2223 if (WARN_ON(mvmsta
->sta_id
== IWL_MVM_STATION_COUNT
))
2227 iwl_trans_freeze_txq_timer(mvm
->trans
, txqs
, false);
2228 iwl_mvm_sta_modify_ps_wake(mvm
, sta
);
2233 spin_unlock_bh(&mvmsta
->lock
);
2236 static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw
*hw
,
2237 struct ieee80211_vif
*vif
,
2238 struct ieee80211_sta
*sta
)
2240 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2241 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2242 struct iwl_mvm_sta
*mvm_sta
= iwl_mvm_sta_from_mac80211(sta
);
2245 * This is called before mac80211 does RCU synchronisation,
2246 * so here we already invalidate our internal RCU-protected
2247 * station pointer. The rest of the code will thus no longer
2248 * be able to find the station this way, and we don't rely
2249 * on further RCU synchronisation after the sta_state()
2250 * callback deleted the station.
2252 mutex_lock(&mvm
->mutex
);
2253 if (sta
== rcu_access_pointer(mvm
->fw_id_to_mac_id
[mvm_sta
->sta_id
]))
2254 rcu_assign_pointer(mvm
->fw_id_to_mac_id
[mvm_sta
->sta_id
],
2257 if (mvm_sta
->vif
->type
== NL80211_IFTYPE_AP
) {
2258 mvmvif
->ap_assoc_sta_count
--;
2259 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
2262 mutex_unlock(&mvm
->mutex
);
2265 static void iwl_mvm_check_uapsd(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
2268 if (!(mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT
))
2271 if (iwlwifi_mod_params
.uapsd_disable
) {
2272 vif
->driver_flags
&= ~IEEE80211_VIF_SUPPORTS_UAPSD
;
2276 vif
->driver_flags
|= IEEE80211_VIF_SUPPORTS_UAPSD
;
2280 iwl_mvm_tdls_check_trigger(struct iwl_mvm
*mvm
,
2281 struct ieee80211_vif
*vif
, u8
*peer_addr
,
2282 enum nl80211_tdls_operation action
)
2284 struct iwl_fw_dbg_trigger_tlv
*trig
;
2285 struct iwl_fw_dbg_trigger_tdls
*tdls_trig
;
2287 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_TDLS
))
2290 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_TDLS
);
2291 tdls_trig
= (void *)trig
->data
;
2292 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
2295 if (!(tdls_trig
->action_bitmap
& BIT(action
)))
2298 if (tdls_trig
->peer_mode
&&
2299 memcmp(tdls_trig
->peer
, peer_addr
, ETH_ALEN
) != 0)
2302 iwl_mvm_fw_dbg_collect_trig(mvm
, trig
,
2303 "TDLS event occurred, peer %pM, action %d",
2307 static int iwl_mvm_mac_sta_state(struct ieee80211_hw
*hw
,
2308 struct ieee80211_vif
*vif
,
2309 struct ieee80211_sta
*sta
,
2310 enum ieee80211_sta_state old_state
,
2311 enum ieee80211_sta_state new_state
)
2313 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2314 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2317 IWL_DEBUG_MAC80211(mvm
, "station %pM state change %d->%d\n",
2318 sta
->addr
, old_state
, new_state
);
2320 /* this would be a mac80211 bug ... but don't crash */
2321 if (WARN_ON_ONCE(!mvmvif
->phy_ctxt
))
2324 /* if a STA is being removed, reuse its ID */
2325 flush_work(&mvm
->sta_drained_wk
);
2327 mutex_lock(&mvm
->mutex
);
2328 if (old_state
== IEEE80211_STA_NOTEXIST
&&
2329 new_state
== IEEE80211_STA_NONE
) {
2331 * Firmware bug - it'll crash if the beacon interval is less
2332 * than 16. We can't avoid connecting at all, so refuse the
2333 * station state change, this will cause mac80211 to abandon
2334 * attempts to connect to this AP, and eventually wpa_s will
2335 * blacklist the AP...
2337 if (vif
->type
== NL80211_IFTYPE_STATION
&&
2338 vif
->bss_conf
.beacon_int
< 16) {
2340 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
2341 sta
->addr
, vif
->bss_conf
.beacon_int
);
2348 iwl_mvm_tdls_sta_count(mvm
, NULL
) ==
2349 IWL_MVM_TDLS_STA_COUNT
||
2350 iwl_mvm_phy_ctx_count(mvm
) > 1)) {
2351 IWL_DEBUG_MAC80211(mvm
, "refusing TDLS sta\n");
2356 ret
= iwl_mvm_add_sta(mvm
, vif
, sta
);
2357 if (sta
->tdls
&& ret
== 0) {
2358 iwl_mvm_recalc_tdls_state(mvm
, vif
, true);
2359 iwl_mvm_tdls_check_trigger(mvm
, vif
, sta
->addr
,
2360 NL80211_TDLS_SETUP
);
2362 } else if (old_state
== IEEE80211_STA_NONE
&&
2363 new_state
== IEEE80211_STA_AUTH
) {
2365 * EBS may be disabled due to previous failures reported by FW.
2366 * Reset EBS status here assuming environment has been changed.
2368 mvm
->last_ebs_successful
= true;
2369 iwl_mvm_check_uapsd(mvm
, vif
, sta
->addr
);
2371 } else if (old_state
== IEEE80211_STA_AUTH
&&
2372 new_state
== IEEE80211_STA_ASSOC
) {
2373 ret
= iwl_mvm_update_sta(mvm
, vif
, sta
);
2375 iwl_mvm_rs_rate_init(mvm
, sta
,
2376 mvmvif
->phy_ctxt
->channel
->band
,
2378 } else if (old_state
== IEEE80211_STA_ASSOC
&&
2379 new_state
== IEEE80211_STA_AUTHORIZED
) {
2381 /* we don't support TDLS during DCM */
2382 if (iwl_mvm_phy_ctx_count(mvm
) > 1)
2383 iwl_mvm_teardown_tdls_peers(mvm
);
2386 iwl_mvm_tdls_check_trigger(mvm
, vif
, sta
->addr
,
2387 NL80211_TDLS_ENABLE_LINK
);
2389 /* enable beacon filtering */
2390 WARN_ON(iwl_mvm_enable_beacon_filter(mvm
, vif
, 0));
2392 } else if (old_state
== IEEE80211_STA_AUTHORIZED
&&
2393 new_state
== IEEE80211_STA_ASSOC
) {
2394 /* disable beacon filtering */
2395 WARN_ON(iwl_mvm_disable_beacon_filter(mvm
, vif
, 0));
2397 } else if (old_state
== IEEE80211_STA_ASSOC
&&
2398 new_state
== IEEE80211_STA_AUTH
) {
2400 } else if (old_state
== IEEE80211_STA_AUTH
&&
2401 new_state
== IEEE80211_STA_NONE
) {
2403 } else if (old_state
== IEEE80211_STA_NONE
&&
2404 new_state
== IEEE80211_STA_NOTEXIST
) {
2405 ret
= iwl_mvm_rm_sta(mvm
, vif
, sta
);
2407 iwl_mvm_recalc_tdls_state(mvm
, vif
, false);
2408 iwl_mvm_tdls_check_trigger(mvm
, vif
, sta
->addr
,
2409 NL80211_TDLS_DISABLE_LINK
);
2415 mutex_unlock(&mvm
->mutex
);
2417 if (sta
->tdls
&& ret
== 0) {
2418 if (old_state
== IEEE80211_STA_NOTEXIST
&&
2419 new_state
== IEEE80211_STA_NONE
)
2420 ieee80211_reserve_tid(sta
, IWL_MVM_TDLS_FW_TID
);
2421 else if (old_state
== IEEE80211_STA_NONE
&&
2422 new_state
== IEEE80211_STA_NOTEXIST
)
2423 ieee80211_unreserve_tid(sta
, IWL_MVM_TDLS_FW_TID
);
2429 static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw
*hw
, u32 value
)
2431 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2433 mvm
->rts_threshold
= value
;
2438 static void iwl_mvm_sta_rc_update(struct ieee80211_hw
*hw
,
2439 struct ieee80211_vif
*vif
,
2440 struct ieee80211_sta
*sta
, u32 changed
)
2442 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2444 if (vif
->type
== NL80211_IFTYPE_STATION
&&
2445 changed
& IEEE80211_RC_NSS_CHANGED
)
2446 iwl_mvm_sf_update(mvm
, vif
, false);
2449 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw
*hw
,
2450 struct ieee80211_vif
*vif
, u16 ac
,
2451 const struct ieee80211_tx_queue_params
*params
)
2453 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2454 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2456 mvmvif
->queue_params
[ac
] = *params
;
2459 * No need to update right away, we'll get BSS_CHANGED_QOS
2460 * The exception is P2P_DEVICE interface which needs immediate update.
2462 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
2465 mutex_lock(&mvm
->mutex
);
2466 ret
= iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
2467 mutex_unlock(&mvm
->mutex
);
2473 static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw
*hw
,
2474 struct ieee80211_vif
*vif
)
2476 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2477 u32 duration
= min(IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS
,
2478 200 + vif
->bss_conf
.beacon_int
);
2479 u32 min_duration
= min(IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS
,
2480 100 + vif
->bss_conf
.beacon_int
);
2482 if (WARN_ON_ONCE(vif
->bss_conf
.assoc
))
2486 * iwl_mvm_protect_session() reads directly from the device
2487 * (the system time), so make sure it is available.
2489 if (iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_PREPARE_TX
))
2492 mutex_lock(&mvm
->mutex
);
2493 /* Try really hard to protect the session and hear a beacon */
2494 iwl_mvm_protect_session(mvm
, vif
, duration
, min_duration
, 500, false);
2495 mutex_unlock(&mvm
->mutex
);
2497 iwl_mvm_unref(mvm
, IWL_MVM_REF_PREPARE_TX
);
2500 static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw
*hw
,
2501 struct ieee80211_vif
*vif
,
2502 struct cfg80211_sched_scan_request
*req
,
2503 struct ieee80211_scan_ies
*ies
)
2505 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2509 mutex_lock(&mvm
->mutex
);
2511 if (!vif
->bss_conf
.idle
) {
2516 ret
= iwl_mvm_sched_scan_start(mvm
, vif
, req
, ies
, IWL_MVM_SCAN_SCHED
);
2519 mutex_unlock(&mvm
->mutex
);
2523 static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw
*hw
,
2524 struct ieee80211_vif
*vif
)
2526 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2529 mutex_lock(&mvm
->mutex
);
2531 /* Due to a race condition, it's possible that mac80211 asks
2532 * us to stop a sched_scan when it's already stopped. This
2533 * can happen, for instance, if we stopped the scan ourselves,
2534 * called ieee80211_sched_scan_stopped() and the userspace called
2535 * stop sched scan scan before ieee80211_sched_scan_stopped_work()
2536 * could run. To handle this, simply return if the scan is
2539 if (!(mvm
->scan_status
& IWL_MVM_SCAN_SCHED
)) {
2540 mutex_unlock(&mvm
->mutex
);
2544 ret
= iwl_mvm_scan_stop(mvm
, IWL_MVM_SCAN_SCHED
, false);
2545 mutex_unlock(&mvm
->mutex
);
2546 iwl_mvm_wait_for_async_handlers(mvm
);
2551 static int iwl_mvm_mac_set_key(struct ieee80211_hw
*hw
,
2552 enum set_key_cmd cmd
,
2553 struct ieee80211_vif
*vif
,
2554 struct ieee80211_sta
*sta
,
2555 struct ieee80211_key_conf
*key
)
2557 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2561 if (iwlwifi_mod_params
.sw_crypto
) {
2562 IWL_DEBUG_MAC80211(mvm
, "leave - hwcrypto disabled\n");
2566 switch (key
->cipher
) {
2567 case WLAN_CIPHER_SUITE_TKIP
:
2568 key
->flags
|= IEEE80211_KEY_FLAG_GENERATE_MMIC
;
2569 key
->flags
|= IEEE80211_KEY_FLAG_GENERATE_IV
;
2571 case WLAN_CIPHER_SUITE_CCMP
:
2572 key
->flags
|= IEEE80211_KEY_FLAG_PUT_IV_SPACE
;
2574 case WLAN_CIPHER_SUITE_AES_CMAC
:
2575 WARN_ON_ONCE(!ieee80211_hw_check(hw
, MFP_CAPABLE
));
2577 case WLAN_CIPHER_SUITE_WEP40
:
2578 case WLAN_CIPHER_SUITE_WEP104
:
2579 /* For non-client mode, only use WEP keys for TX as we probably
2580 * don't have a station yet anyway and would then have to keep
2581 * track of the keys, linking them to each of the clients/peers
2582 * as they appear. For now, don't do that, for performance WEP
2583 * offload doesn't really matter much, but we need it for some
2584 * other offload features in client mode.
2586 if (vif
->type
!= NL80211_IFTYPE_STATION
)
2590 /* currently FW supports only one optional cipher scheme */
2591 if (hw
->n_cipher_schemes
&&
2592 hw
->cipher_schemes
->cipher
== key
->cipher
)
2593 key
->flags
|= IEEE80211_KEY_FLAG_PUT_IV_SPACE
;
2598 mutex_lock(&mvm
->mutex
);
2602 if ((vif
->type
== NL80211_IFTYPE_ADHOC
||
2603 vif
->type
== NL80211_IFTYPE_AP
) && !sta
) {
2605 * GTK on AP interface is a TX-only key, return 0;
2606 * on IBSS they're per-station and because we're lazy
2607 * we don't support them for RX, so do the same.
2610 key
->hw_key_idx
= STA_KEY_IDX_INVALID
;
2614 /* During FW restart, in order to restore the state as it was,
2615 * don't try to reprogram keys we previously failed for.
2617 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
) &&
2618 key
->hw_key_idx
== STA_KEY_IDX_INVALID
) {
2619 IWL_DEBUG_MAC80211(mvm
,
2620 "skip invalid idx key programming during restart\n");
2625 /* in HW restart reuse the index, otherwise request a new one */
2626 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
))
2627 key_offset
= key
->hw_key_idx
;
2629 key_offset
= STA_KEY_IDX_INVALID
;
2631 IWL_DEBUG_MAC80211(mvm
, "set hwcrypto key\n");
2632 ret
= iwl_mvm_set_sta_key(mvm
, vif
, sta
, key
, key_offset
);
2634 IWL_WARN(mvm
, "set key failed\n");
2636 * can't add key for RX, but we don't need it
2637 * in the device for TX so still return 0
2639 key
->hw_key_idx
= STA_KEY_IDX_INVALID
;
2645 if (key
->hw_key_idx
== STA_KEY_IDX_INVALID
) {
2650 IWL_DEBUG_MAC80211(mvm
, "disable hwcrypto key\n");
2651 ret
= iwl_mvm_remove_sta_key(mvm
, vif
, sta
, key
);
2657 mutex_unlock(&mvm
->mutex
);
2661 static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw
*hw
,
2662 struct ieee80211_vif
*vif
,
2663 struct ieee80211_key_conf
*keyconf
,
2664 struct ieee80211_sta
*sta
,
2665 u32 iv32
, u16
*phase1key
)
2667 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2669 if (keyconf
->hw_key_idx
== STA_KEY_IDX_INVALID
)
2672 iwl_mvm_update_tkip_key(mvm
, vif
, keyconf
, sta
, iv32
, phase1key
);
2676 static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data
*notif_wait
,
2677 struct iwl_rx_packet
*pkt
, void *data
)
2679 struct iwl_mvm
*mvm
=
2680 container_of(notif_wait
, struct iwl_mvm
, notif_wait
);
2681 struct iwl_hs20_roc_res
*resp
;
2682 int resp_len
= iwl_rx_packet_payload_len(pkt
);
2683 struct iwl_mvm_time_event_data
*te_data
= data
;
2685 if (WARN_ON(pkt
->hdr
.cmd
!= HOT_SPOT_CMD
))
2688 if (WARN_ON_ONCE(resp_len
!= sizeof(*resp
))) {
2689 IWL_ERR(mvm
, "Invalid HOT_SPOT_CMD response\n");
2693 resp
= (void *)pkt
->data
;
2696 "Aux ROC: Recieved response from ucode: status=%d uid=%d\n",
2697 resp
->status
, resp
->event_unique_id
);
2699 te_data
->uid
= le32_to_cpu(resp
->event_unique_id
);
2700 IWL_DEBUG_TE(mvm
, "TIME_EVENT_CMD response - UID = 0x%x\n",
2703 spin_lock_bh(&mvm
->time_event_lock
);
2704 list_add_tail(&te_data
->list
, &mvm
->aux_roc_te_list
);
2705 spin_unlock_bh(&mvm
->time_event_lock
);
2710 #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100)
2711 #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200)
2712 #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600)
2713 #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20)
2714 #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10)
2715 static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm
*mvm
,
2716 struct ieee80211_channel
*channel
,
2717 struct ieee80211_vif
*vif
,
2720 int res
, time_reg
= DEVICE_SYSTEM_TIME_REG
;
2721 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2722 struct iwl_mvm_time_event_data
*te_data
= &mvmvif
->hs_time_event_data
;
2723 static const u16 time_event_response
[] = { HOT_SPOT_CMD
};
2724 struct iwl_notification_wait wait_time_event
;
2725 u32 dtim_interval
= vif
->bss_conf
.dtim_period
*
2726 vif
->bss_conf
.beacon_int
;
2728 struct iwl_hs20_roc_req aux_roc_req
= {
2729 .action
= cpu_to_le32(FW_CTXT_ACTION_ADD
),
2731 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX
, 0)),
2732 .sta_id_and_color
= cpu_to_le32(mvm
->aux_sta
.sta_id
),
2733 /* Set the channel info data */
2734 .channel_info
.band
= (channel
->band
== IEEE80211_BAND_2GHZ
) ?
2735 PHY_BAND_24
: PHY_BAND_5
,
2736 .channel_info
.channel
= channel
->hw_value
,
2737 .channel_info
.width
= PHY_VHT_CHANNEL_MODE20
,
2738 /* Set the time and duration */
2739 .apply_time
= cpu_to_le32(iwl_read_prph(mvm
->trans
, time_reg
)),
2742 delay
= AUX_ROC_MIN_DELAY
;
2743 req_dur
= MSEC_TO_TU(duration
);
2746 * If we are associated we want the delay time to be at least one
2747 * dtim interval so that the FW can wait until after the DTIM and
2748 * then start the time event, this will potentially allow us to
2749 * remain off-channel for the max duration.
2750 * Since we want to use almost a whole dtim interval we would also
2751 * like the delay to be for 2-3 dtim intervals, in case there are
2752 * other time events with higher priority.
2754 if (vif
->bss_conf
.assoc
) {
2755 delay
= min_t(u32
, dtim_interval
* 3, AUX_ROC_MAX_DELAY
);
2756 /* We cannot remain off-channel longer than the DTIM interval */
2757 if (dtim_interval
<= req_dur
) {
2758 req_dur
= dtim_interval
- AUX_ROC_SAFETY_BUFFER
;
2759 if (req_dur
<= AUX_ROC_MIN_DURATION
)
2760 req_dur
= dtim_interval
-
2761 AUX_ROC_MIN_SAFETY_BUFFER
;
2765 aux_roc_req
.duration
= cpu_to_le32(req_dur
);
2766 aux_roc_req
.apply_time_max_delay
= cpu_to_le32(delay
);
2769 "ROC: Requesting to remain on channel %u for %ums (requested = %ums, max_delay = %ums, dtim_interval = %ums)\n",
2770 channel
->hw_value
, req_dur
, duration
, delay
,
2772 /* Set the node address */
2773 memcpy(aux_roc_req
.node_addr
, vif
->addr
, ETH_ALEN
);
2775 lockdep_assert_held(&mvm
->mutex
);
2777 spin_lock_bh(&mvm
->time_event_lock
);
2779 if (WARN_ON(te_data
->id
== HOT_SPOT_CMD
)) {
2780 spin_unlock_bh(&mvm
->time_event_lock
);
2785 te_data
->duration
= duration
;
2786 te_data
->id
= HOT_SPOT_CMD
;
2788 spin_unlock_bh(&mvm
->time_event_lock
);
2791 * Use a notification wait, which really just processes the
2792 * command response and doesn't wait for anything, in order
2793 * to be able to process the response and get the UID inside
2794 * the RX path. Using CMD_WANT_SKB doesn't work because it
2795 * stores the buffer and then wakes up this thread, by which
2796 * time another notification (that the time event started)
2797 * might already be processed unsuccessfully.
2799 iwl_init_notification_wait(&mvm
->notif_wait
, &wait_time_event
,
2800 time_event_response
,
2801 ARRAY_SIZE(time_event_response
),
2802 iwl_mvm_rx_aux_roc
, te_data
);
2804 res
= iwl_mvm_send_cmd_pdu(mvm
, HOT_SPOT_CMD
, 0, sizeof(aux_roc_req
),
2808 IWL_ERR(mvm
, "Couldn't send HOT_SPOT_CMD: %d\n", res
);
2809 iwl_remove_notification(&mvm
->notif_wait
, &wait_time_event
);
2813 /* No need to wait for anything, so just pass 1 (0 isn't valid) */
2814 res
= iwl_wait_notification(&mvm
->notif_wait
, &wait_time_event
, 1);
2815 /* should never fail */
2820 spin_lock_bh(&mvm
->time_event_lock
);
2821 iwl_mvm_te_clear_data(mvm
, te_data
);
2822 spin_unlock_bh(&mvm
->time_event_lock
);
2828 static int iwl_mvm_roc(struct ieee80211_hw
*hw
,
2829 struct ieee80211_vif
*vif
,
2830 struct ieee80211_channel
*channel
,
2832 enum ieee80211_roc_type type
)
2834 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2835 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2836 struct cfg80211_chan_def chandef
;
2837 struct iwl_mvm_phy_ctxt
*phy_ctxt
;
2840 IWL_DEBUG_MAC80211(mvm
, "enter (%d, %d, %d)\n", channel
->hw_value
,
2843 flush_work(&mvm
->roc_done_wk
);
2845 mutex_lock(&mvm
->mutex
);
2847 switch (vif
->type
) {
2848 case NL80211_IFTYPE_STATION
:
2849 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
2850 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT
)) {
2851 /* Use aux roc framework (HS20) */
2852 ret
= iwl_mvm_send_aux_roc_cmd(mvm
, channel
,
2856 IWL_ERR(mvm
, "hotspot not supported\n");
2859 case NL80211_IFTYPE_P2P_DEVICE
:
2863 IWL_ERR(mvm
, "vif isn't P2P_DEVICE: %d\n", vif
->type
);
2868 for (i
= 0; i
< NUM_PHY_CTX
; i
++) {
2869 phy_ctxt
= &mvm
->phy_ctxts
[i
];
2870 if (phy_ctxt
->ref
== 0 || mvmvif
->phy_ctxt
== phy_ctxt
)
2873 if (phy_ctxt
->ref
&& channel
== phy_ctxt
->channel
) {
2875 * Unbind the P2P_DEVICE from the current PHY context,
2876 * and if the PHY context is not used remove it.
2878 ret
= iwl_mvm_binding_remove_vif(mvm
, vif
);
2879 if (WARN(ret
, "Failed unbinding P2P_DEVICE\n"))
2882 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
2884 /* Bind the P2P_DEVICE to the current PHY Context */
2885 mvmvif
->phy_ctxt
= phy_ctxt
;
2887 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
2888 if (WARN(ret
, "Failed binding P2P_DEVICE\n"))
2891 iwl_mvm_phy_ctxt_ref(mvm
, mvmvif
->phy_ctxt
);
2892 goto schedule_time_event
;
2896 /* Need to update the PHY context only if the ROC channel changed */
2897 if (channel
== mvmvif
->phy_ctxt
->channel
)
2898 goto schedule_time_event
;
2900 cfg80211_chandef_create(&chandef
, channel
, NL80211_CHAN_NO_HT
);
2903 * Change the PHY context configuration as it is currently referenced
2904 * only by the P2P Device MAC
2906 if (mvmvif
->phy_ctxt
->ref
== 1) {
2907 ret
= iwl_mvm_phy_ctxt_changed(mvm
, mvmvif
->phy_ctxt
,
2913 * The PHY context is shared with other MACs. Need to remove the
2914 * P2P Device from the binding, allocate an new PHY context and
2915 * create a new binding
2917 phy_ctxt
= iwl_mvm_get_free_phy_ctxt(mvm
);
2923 ret
= iwl_mvm_phy_ctxt_changed(mvm
, phy_ctxt
, &chandef
,
2926 IWL_ERR(mvm
, "Failed to change PHY context\n");
2930 /* Unbind the P2P_DEVICE from the current PHY context */
2931 ret
= iwl_mvm_binding_remove_vif(mvm
, vif
);
2932 if (WARN(ret
, "Failed unbinding P2P_DEVICE\n"))
2935 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
2937 /* Bind the P2P_DEVICE to the new allocated PHY context */
2938 mvmvif
->phy_ctxt
= phy_ctxt
;
2940 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
2941 if (WARN(ret
, "Failed binding P2P_DEVICE\n"))
2944 iwl_mvm_phy_ctxt_ref(mvm
, mvmvif
->phy_ctxt
);
2947 schedule_time_event
:
2948 /* Schedule the time events */
2949 ret
= iwl_mvm_start_p2p_roc(mvm
, vif
, duration
, type
);
2952 mutex_unlock(&mvm
->mutex
);
2953 IWL_DEBUG_MAC80211(mvm
, "leave\n");
2957 static int iwl_mvm_cancel_roc(struct ieee80211_hw
*hw
)
2959 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2961 IWL_DEBUG_MAC80211(mvm
, "enter\n");
2963 mutex_lock(&mvm
->mutex
);
2964 iwl_mvm_stop_roc(mvm
);
2965 mutex_unlock(&mvm
->mutex
);
2967 IWL_DEBUG_MAC80211(mvm
, "leave\n");
2971 static int __iwl_mvm_add_chanctx(struct iwl_mvm
*mvm
,
2972 struct ieee80211_chanctx_conf
*ctx
)
2974 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
2975 struct iwl_mvm_phy_ctxt
*phy_ctxt
;
2978 lockdep_assert_held(&mvm
->mutex
);
2980 IWL_DEBUG_MAC80211(mvm
, "Add channel context\n");
2982 phy_ctxt
= iwl_mvm_get_free_phy_ctxt(mvm
);
2988 ret
= iwl_mvm_phy_ctxt_changed(mvm
, phy_ctxt
, &ctx
->min_def
,
2989 ctx
->rx_chains_static
,
2990 ctx
->rx_chains_dynamic
);
2992 IWL_ERR(mvm
, "Failed to add PHY context\n");
2996 iwl_mvm_phy_ctxt_ref(mvm
, phy_ctxt
);
2997 *phy_ctxt_id
= phy_ctxt
->id
;
3002 static int iwl_mvm_add_chanctx(struct ieee80211_hw
*hw
,
3003 struct ieee80211_chanctx_conf
*ctx
)
3005 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3008 mutex_lock(&mvm
->mutex
);
3009 ret
= __iwl_mvm_add_chanctx(mvm
, ctx
);
3010 mutex_unlock(&mvm
->mutex
);
3015 static void __iwl_mvm_remove_chanctx(struct iwl_mvm
*mvm
,
3016 struct ieee80211_chanctx_conf
*ctx
)
3018 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
3019 struct iwl_mvm_phy_ctxt
*phy_ctxt
= &mvm
->phy_ctxts
[*phy_ctxt_id
];
3021 lockdep_assert_held(&mvm
->mutex
);
3023 iwl_mvm_phy_ctxt_unref(mvm
, phy_ctxt
);
3026 static void iwl_mvm_remove_chanctx(struct ieee80211_hw
*hw
,
3027 struct ieee80211_chanctx_conf
*ctx
)
3029 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3031 mutex_lock(&mvm
->mutex
);
3032 __iwl_mvm_remove_chanctx(mvm
, ctx
);
3033 mutex_unlock(&mvm
->mutex
);
3036 static void iwl_mvm_change_chanctx(struct ieee80211_hw
*hw
,
3037 struct ieee80211_chanctx_conf
*ctx
,
3040 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3041 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
3042 struct iwl_mvm_phy_ctxt
*phy_ctxt
= &mvm
->phy_ctxts
[*phy_ctxt_id
];
3044 if (WARN_ONCE((phy_ctxt
->ref
> 1) &&
3045 (changed
& ~(IEEE80211_CHANCTX_CHANGE_WIDTH
|
3046 IEEE80211_CHANCTX_CHANGE_RX_CHAINS
|
3047 IEEE80211_CHANCTX_CHANGE_RADAR
|
3048 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH
)),
3049 "Cannot change PHY. Ref=%d, changed=0x%X\n",
3050 phy_ctxt
->ref
, changed
))
3053 mutex_lock(&mvm
->mutex
);
3054 iwl_mvm_bt_coex_vif_change(mvm
);
3055 iwl_mvm_phy_ctxt_changed(mvm
, phy_ctxt
, &ctx
->min_def
,
3056 ctx
->rx_chains_static
,
3057 ctx
->rx_chains_dynamic
);
3058 mutex_unlock(&mvm
->mutex
);
3061 static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm
*mvm
,
3062 struct ieee80211_vif
*vif
,
3063 struct ieee80211_chanctx_conf
*ctx
,
3064 bool switching_chanctx
)
3066 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
3067 struct iwl_mvm_phy_ctxt
*phy_ctxt
= &mvm
->phy_ctxts
[*phy_ctxt_id
];
3068 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3071 lockdep_assert_held(&mvm
->mutex
);
3073 mvmvif
->phy_ctxt
= phy_ctxt
;
3075 switch (vif
->type
) {
3076 case NL80211_IFTYPE_AP
:
3077 /* only needed if we're switching chanctx (i.e. during CSA) */
3078 if (switching_chanctx
) {
3079 mvmvif
->ap_ibss_active
= true;
3082 case NL80211_IFTYPE_ADHOC
:
3084 * The AP binding flow is handled as part of the start_ap flow
3085 * (in bss_info_changed), similarly for IBSS.
3089 case NL80211_IFTYPE_STATION
:
3091 case NL80211_IFTYPE_MONITOR
:
3092 /* always disable PS when a monitor interface is active */
3093 mvmvif
->ps_disabled
= true;
3100 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
3105 * Power state must be updated before quotas,
3106 * otherwise fw will complain.
3108 iwl_mvm_power_update_mac(mvm
);
3110 /* Setting the quota at this stage is only required for monitor
3111 * interfaces. For the other types, the bss_info changed flow
3112 * will handle quota settings.
3114 if (vif
->type
== NL80211_IFTYPE_MONITOR
) {
3115 mvmvif
->monitor_active
= true;
3116 ret
= iwl_mvm_update_quotas(mvm
, false, NULL
);
3118 goto out_remove_binding
;
3121 /* Handle binding during CSA */
3122 if (vif
->type
== NL80211_IFTYPE_AP
) {
3123 iwl_mvm_update_quotas(mvm
, false, NULL
);
3124 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
3127 if (switching_chanctx
&& vif
->type
== NL80211_IFTYPE_STATION
) {
3128 u32 duration
= 2 * vif
->bss_conf
.beacon_int
;
3130 /* iwl_mvm_protect_session() reads directly from the
3131 * device (the system time), so make sure it is
3134 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_PROTECT_CSA
);
3136 goto out_remove_binding
;
3138 /* Protect the session to make sure we hear the first
3139 * beacon on the new channel.
3141 iwl_mvm_protect_session(mvm
, vif
, duration
, duration
,
3142 vif
->bss_conf
.beacon_int
/ 2,
3145 iwl_mvm_unref(mvm
, IWL_MVM_REF_PROTECT_CSA
);
3147 iwl_mvm_update_quotas(mvm
, false, NULL
);
3153 iwl_mvm_binding_remove_vif(mvm
, vif
);
3154 iwl_mvm_power_update_mac(mvm
);
3157 mvmvif
->phy_ctxt
= NULL
;
3160 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw
*hw
,
3161 struct ieee80211_vif
*vif
,
3162 struct ieee80211_chanctx_conf
*ctx
)
3164 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3167 mutex_lock(&mvm
->mutex
);
3168 ret
= __iwl_mvm_assign_vif_chanctx(mvm
, vif
, ctx
, false);
3169 mutex_unlock(&mvm
->mutex
);
3174 static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm
*mvm
,
3175 struct ieee80211_vif
*vif
,
3176 struct ieee80211_chanctx_conf
*ctx
,
3177 bool switching_chanctx
)
3179 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3180 struct ieee80211_vif
*disabled_vif
= NULL
;
3182 lockdep_assert_held(&mvm
->mutex
);
3184 iwl_mvm_remove_time_event(mvm
, mvmvif
, &mvmvif
->time_event_data
);
3186 switch (vif
->type
) {
3187 case NL80211_IFTYPE_ADHOC
:
3189 case NL80211_IFTYPE_MONITOR
:
3190 mvmvif
->monitor_active
= false;
3191 mvmvif
->ps_disabled
= false;
3193 case NL80211_IFTYPE_AP
:
3194 /* This part is triggered only during CSA */
3195 if (!switching_chanctx
|| !mvmvif
->ap_ibss_active
)
3198 mvmvif
->csa_countdown
= false;
3200 /* Set CS bit on all the stations */
3201 iwl_mvm_modify_all_sta_disable_tx(mvm
, mvmvif
, true);
3203 /* Save blocked iface, the timeout is set on the next beacon */
3204 rcu_assign_pointer(mvm
->csa_tx_blocked_vif
, vif
);
3206 mvmvif
->ap_ibss_active
= false;
3208 case NL80211_IFTYPE_STATION
:
3209 if (!switching_chanctx
)
3214 iwl_mvm_mac_ctxt_changed(mvm
, vif
, true, NULL
);
3220 iwl_mvm_update_quotas(mvm
, false, disabled_vif
);
3221 iwl_mvm_binding_remove_vif(mvm
, vif
);
3224 mvmvif
->phy_ctxt
= NULL
;
3225 iwl_mvm_power_update_mac(mvm
);
3228 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw
*hw
,
3229 struct ieee80211_vif
*vif
,
3230 struct ieee80211_chanctx_conf
*ctx
)
3232 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3234 mutex_lock(&mvm
->mutex
);
3235 __iwl_mvm_unassign_vif_chanctx(mvm
, vif
, ctx
, false);
3236 mutex_unlock(&mvm
->mutex
);
3240 iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm
*mvm
,
3241 struct ieee80211_vif_chanctx_switch
*vifs
)
3245 mutex_lock(&mvm
->mutex
);
3246 __iwl_mvm_unassign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].old_ctx
, true);
3247 __iwl_mvm_remove_chanctx(mvm
, vifs
[0].old_ctx
);
3249 ret
= __iwl_mvm_add_chanctx(mvm
, vifs
[0].new_ctx
);
3251 IWL_ERR(mvm
, "failed to add new_ctx during channel switch\n");
3255 ret
= __iwl_mvm_assign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].new_ctx
,
3259 "failed to assign new_ctx during channel switch\n");
3263 /* we don't support TDLS during DCM - can be caused by channel switch */
3264 if (iwl_mvm_phy_ctx_count(mvm
) > 1)
3265 iwl_mvm_teardown_tdls_peers(mvm
);
3270 __iwl_mvm_remove_chanctx(mvm
, vifs
[0].new_ctx
);
3273 if (__iwl_mvm_add_chanctx(mvm
, vifs
[0].old_ctx
)) {
3274 IWL_ERR(mvm
, "failed to add old_ctx back after failure.\n");
3278 if (__iwl_mvm_assign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].old_ctx
,
3280 IWL_ERR(mvm
, "failed to reassign old_ctx after failure.\n");
3287 /* things keep failing, better restart the hw */
3288 iwl_mvm_nic_restart(mvm
, false);
3291 mutex_unlock(&mvm
->mutex
);
3297 iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm
*mvm
,
3298 struct ieee80211_vif_chanctx_switch
*vifs
)
3302 mutex_lock(&mvm
->mutex
);
3303 __iwl_mvm_unassign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].old_ctx
, true);
3305 ret
= __iwl_mvm_assign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].new_ctx
,
3309 "failed to assign new_ctx during channel switch\n");
3316 if (__iwl_mvm_assign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].old_ctx
,
3318 IWL_ERR(mvm
, "failed to reassign old_ctx after failure.\n");
3325 /* things keep failing, better restart the hw */
3326 iwl_mvm_nic_restart(mvm
, false);
3329 mutex_unlock(&mvm
->mutex
);
3334 static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw
*hw
,
3335 struct ieee80211_vif_chanctx_switch
*vifs
,
3337 enum ieee80211_chanctx_switch_mode mode
)
3339 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3342 /* we only support a single-vif right now */
3347 case CHANCTX_SWMODE_SWAP_CONTEXTS
:
3348 ret
= iwl_mvm_switch_vif_chanctx_swap(mvm
, vifs
);
3350 case CHANCTX_SWMODE_REASSIGN_VIF
:
3351 ret
= iwl_mvm_switch_vif_chanctx_reassign(mvm
, vifs
);
3361 static int iwl_mvm_set_tim(struct ieee80211_hw
*hw
,
3362 struct ieee80211_sta
*sta
,
3365 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3366 struct iwl_mvm_sta
*mvm_sta
= iwl_mvm_sta_from_mac80211(sta
);
3368 if (!mvm_sta
|| !mvm_sta
->vif
) {
3369 IWL_ERR(mvm
, "Station is not associated to a vif\n");
3373 return iwl_mvm_mac_ctxt_beacon_changed(mvm
, mvm_sta
->vif
);
3376 #ifdef CONFIG_NL80211_TESTMODE
3377 static const struct nla_policy iwl_mvm_tm_policy
[IWL_MVM_TM_ATTR_MAX
+ 1] = {
3378 [IWL_MVM_TM_ATTR_CMD
] = { .type
= NLA_U32
},
3379 [IWL_MVM_TM_ATTR_NOA_DURATION
] = { .type
= NLA_U32
},
3380 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE
] = { .type
= NLA_U32
},
3383 static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm
*mvm
,
3384 struct ieee80211_vif
*vif
,
3385 void *data
, int len
)
3387 struct nlattr
*tb
[IWL_MVM_TM_ATTR_MAX
+ 1];
3391 err
= nla_parse(tb
, IWL_MVM_TM_ATTR_MAX
, data
, len
, iwl_mvm_tm_policy
);
3395 if (!tb
[IWL_MVM_TM_ATTR_CMD
])
3398 switch (nla_get_u32(tb
[IWL_MVM_TM_ATTR_CMD
])) {
3399 case IWL_MVM_TM_CMD_SET_NOA
:
3400 if (!vif
|| vif
->type
!= NL80211_IFTYPE_AP
|| !vif
->p2p
||
3401 !vif
->bss_conf
.enable_beacon
||
3402 !tb
[IWL_MVM_TM_ATTR_NOA_DURATION
])
3405 noa_duration
= nla_get_u32(tb
[IWL_MVM_TM_ATTR_NOA_DURATION
]);
3406 if (noa_duration
>= vif
->bss_conf
.beacon_int
)
3409 mvm
->noa_duration
= noa_duration
;
3412 return iwl_mvm_update_quotas(mvm
, false, NULL
);
3413 case IWL_MVM_TM_CMD_SET_BEACON_FILTER
:
3414 /* must be associated client vif - ignore authorized */
3415 if (!vif
|| vif
->type
!= NL80211_IFTYPE_STATION
||
3416 !vif
->bss_conf
.assoc
|| !vif
->bss_conf
.dtim_period
||
3417 !tb
[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE
])
3420 if (nla_get_u32(tb
[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE
]))
3421 return iwl_mvm_enable_beacon_filter(mvm
, vif
, 0);
3422 return iwl_mvm_disable_beacon_filter(mvm
, vif
, 0);
3428 static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw
*hw
,
3429 struct ieee80211_vif
*vif
,
3430 void *data
, int len
)
3432 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3435 mutex_lock(&mvm
->mutex
);
3436 err
= __iwl_mvm_mac_testmode_cmd(mvm
, vif
, data
, len
);
3437 mutex_unlock(&mvm
->mutex
);
3443 static void iwl_mvm_channel_switch(struct ieee80211_hw
*hw
,
3444 struct ieee80211_vif
*vif
,
3445 struct ieee80211_channel_switch
*chsw
)
3447 /* By implementing this operation, we prevent mac80211 from
3448 * starting its own channel switch timer, so that we can call
3449 * ieee80211_chswitch_done() ourselves at the right time
3450 * (which is when the absence time event starts).
3453 IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw
),
3454 "dummy channel switch op\n");
3457 static int iwl_mvm_pre_channel_switch(struct ieee80211_hw
*hw
,
3458 struct ieee80211_vif
*vif
,
3459 struct ieee80211_channel_switch
*chsw
)
3461 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3462 struct ieee80211_vif
*csa_vif
;
3463 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3467 mutex_lock(&mvm
->mutex
);
3469 mvmvif
->csa_failed
= false;
3471 IWL_DEBUG_MAC80211(mvm
, "pre CSA to freq %d\n",
3472 chsw
->chandef
.center_freq1
);
3474 iwl_fw_dbg_trigger_simple_stop(mvm
, vif
, FW_DBG_TRIGGER_CHANNEL_SWITCH
);
3476 switch (vif
->type
) {
3477 case NL80211_IFTYPE_AP
:
3479 rcu_dereference_protected(mvm
->csa_vif
,
3480 lockdep_is_held(&mvm
->mutex
));
3481 if (WARN_ONCE(csa_vif
&& csa_vif
->csa_active
,
3482 "Another CSA is already in progress")) {
3487 rcu_assign_pointer(mvm
->csa_vif
, vif
);
3489 if (WARN_ONCE(mvmvif
->csa_countdown
,
3490 "Previous CSA countdown didn't complete")) {
3496 case NL80211_IFTYPE_STATION
:
3497 /* Schedule the time event to a bit before beacon 1,
3498 * to make sure we're in the new channel when the
3501 apply_time
= chsw
->device_timestamp
+
3502 ((vif
->bss_conf
.beacon_int
* (chsw
->count
- 1) -
3503 IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT
) * 1024);
3506 iwl_mvm_csa_client_absent(mvm
, vif
);
3508 iwl_mvm_schedule_csa_period(mvm
, vif
, vif
->bss_conf
.beacon_int
,
3510 if (mvmvif
->bf_data
.bf_enabled
) {
3511 ret
= iwl_mvm_disable_beacon_filter(mvm
, vif
, 0);
3521 mvmvif
->ps_disabled
= true;
3523 ret
= iwl_mvm_power_update_ps(mvm
);
3527 /* we won't be on this channel any longer */
3528 iwl_mvm_teardown_tdls_peers(mvm
);
3531 mutex_unlock(&mvm
->mutex
);
3536 static int iwl_mvm_post_channel_switch(struct ieee80211_hw
*hw
,
3537 struct ieee80211_vif
*vif
)
3539 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3540 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3543 mutex_lock(&mvm
->mutex
);
3545 if (mvmvif
->csa_failed
) {
3546 mvmvif
->csa_failed
= false;
3551 if (vif
->type
== NL80211_IFTYPE_STATION
) {
3552 struct iwl_mvm_sta
*mvmsta
;
3554 mvmsta
= iwl_mvm_sta_from_staid_protected(mvm
,
3557 if (WARN_ON(!mvmsta
)) {
3562 iwl_mvm_sta_modify_disable_tx(mvm
, mvmsta
, false);
3564 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
3566 ret
= iwl_mvm_enable_beacon_filter(mvm
, vif
, 0);
3570 iwl_mvm_stop_session_protection(mvm
, vif
);
3573 mvmvif
->ps_disabled
= false;
3575 ret
= iwl_mvm_power_update_ps(mvm
);
3578 mutex_unlock(&mvm
->mutex
);
3583 static void iwl_mvm_mac_flush(struct ieee80211_hw
*hw
,
3584 struct ieee80211_vif
*vif
, u32 queues
, bool drop
)
3586 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3587 struct iwl_mvm_vif
*mvmvif
;
3588 struct iwl_mvm_sta
*mvmsta
;
3589 struct ieee80211_sta
*sta
;
3593 if (!vif
|| vif
->type
!= NL80211_IFTYPE_STATION
)
3596 mutex_lock(&mvm
->mutex
);
3597 mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3599 /* flush the AP-station and all TDLS peers */
3600 for (i
= 0; i
< IWL_MVM_STATION_COUNT
; i
++) {
3601 sta
= rcu_dereference_protected(mvm
->fw_id_to_mac_id
[i
],
3602 lockdep_is_held(&mvm
->mutex
));
3603 if (IS_ERR_OR_NULL(sta
))
3606 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
3607 if (mvmsta
->vif
!= vif
)
3610 /* make sure only TDLS peers or the AP are flushed */
3611 WARN_ON(i
!= mvmvif
->ap_sta_id
&& !sta
->tdls
);
3613 msk
|= mvmsta
->tfd_queue_msk
;
3617 if (iwl_mvm_flush_tx_path(mvm
, msk
, 0))
3618 IWL_ERR(mvm
, "flush request fail\n");
3619 mutex_unlock(&mvm
->mutex
);
3621 mutex_unlock(&mvm
->mutex
);
3623 /* this can take a while, and we may need/want other operations
3624 * to succeed while doing this, so do it without the mutex held
3626 iwl_trans_wait_tx_queue_empty(mvm
->trans
, msk
);
3630 static int iwl_mvm_mac_get_survey(struct ieee80211_hw
*hw
, int idx
,
3631 struct survey_info
*survey
)
3633 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3636 memset(survey
, 0, sizeof(*survey
));
3638 /* only support global statistics right now */
3642 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
3643 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS
))
3646 mutex_lock(&mvm
->mutex
);
3648 if (mvm
->ucode_loaded
) {
3649 ret
= iwl_mvm_request_statistics(mvm
, false);
3654 survey
->filled
= SURVEY_INFO_TIME
|
3655 SURVEY_INFO_TIME_RX
|
3656 SURVEY_INFO_TIME_TX
|
3657 SURVEY_INFO_TIME_SCAN
;
3658 survey
->time
= mvm
->accu_radio_stats
.on_time_rf
+
3659 mvm
->radio_stats
.on_time_rf
;
3660 do_div(survey
->time
, USEC_PER_MSEC
);
3662 survey
->time_rx
= mvm
->accu_radio_stats
.rx_time
+
3663 mvm
->radio_stats
.rx_time
;
3664 do_div(survey
->time_rx
, USEC_PER_MSEC
);
3666 survey
->time_tx
= mvm
->accu_radio_stats
.tx_time
+
3667 mvm
->radio_stats
.tx_time
;
3668 do_div(survey
->time_tx
, USEC_PER_MSEC
);
3670 survey
->time_scan
= mvm
->accu_radio_stats
.on_time_scan
+
3671 mvm
->radio_stats
.on_time_scan
;
3672 do_div(survey
->time_scan
, USEC_PER_MSEC
);
3676 mutex_unlock(&mvm
->mutex
);
3680 static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw
*hw
,
3681 struct ieee80211_vif
*vif
,
3682 struct ieee80211_sta
*sta
,
3683 struct station_info
*sinfo
)
3685 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3686 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3687 struct iwl_mvm_sta
*mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
3689 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
3690 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS
))
3693 /* if beacon filtering isn't on mac80211 does it anyway */
3694 if (!(vif
->driver_flags
& IEEE80211_VIF_BEACON_FILTER
))
3697 if (!vif
->bss_conf
.assoc
)
3700 mutex_lock(&mvm
->mutex
);
3702 if (mvmvif
->ap_sta_id
!= mvmsta
->sta_id
)
3705 if (iwl_mvm_request_statistics(mvm
, false))
3708 sinfo
->rx_beacon
= mvmvif
->beacon_stats
.num_beacons
+
3709 mvmvif
->beacon_stats
.accu_num_beacons
;
3710 sinfo
->filled
|= BIT(NL80211_STA_INFO_BEACON_RX
);
3711 if (mvmvif
->beacon_stats
.avg_signal
) {
3712 /* firmware only reports a value after RXing a few beacons */
3713 sinfo
->rx_beacon_signal_avg
= mvmvif
->beacon_stats
.avg_signal
;
3714 sinfo
->filled
|= BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG
);
3717 mutex_unlock(&mvm
->mutex
);
3720 static void iwl_mvm_event_mlme_callback(struct iwl_mvm
*mvm
,
3721 struct ieee80211_vif
*vif
,
3722 const struct ieee80211_event
*event
)
3724 #define CHECK_MLME_TRIGGER(_mvm, _trig, _buf, _cnt, _fmt...) \
3726 if ((_cnt) && --(_cnt)) \
3728 iwl_mvm_fw_dbg_collect_trig(_mvm, _trig, _fmt);\
3731 struct iwl_fw_dbg_trigger_tlv
*trig
;
3732 struct iwl_fw_dbg_trigger_mlme
*trig_mlme
;
3734 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_MLME
))
3737 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_MLME
);
3738 trig_mlme
= (void *)trig
->data
;
3739 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
3742 if (event
->u
.mlme
.data
== ASSOC_EVENT
) {
3743 if (event
->u
.mlme
.status
== MLME_DENIED
)
3744 CHECK_MLME_TRIGGER(mvm
, trig
, buf
,
3745 trig_mlme
->stop_assoc_denied
,
3746 "DENIED ASSOC: reason %d",
3747 event
->u
.mlme
.reason
);
3748 else if (event
->u
.mlme
.status
== MLME_TIMEOUT
)
3749 CHECK_MLME_TRIGGER(mvm
, trig
, buf
,
3750 trig_mlme
->stop_assoc_timeout
,
3752 } else if (event
->u
.mlme
.data
== AUTH_EVENT
) {
3753 if (event
->u
.mlme
.status
== MLME_DENIED
)
3754 CHECK_MLME_TRIGGER(mvm
, trig
, buf
,
3755 trig_mlme
->stop_auth_denied
,
3756 "DENIED AUTH: reason %d",
3757 event
->u
.mlme
.reason
);
3758 else if (event
->u
.mlme
.status
== MLME_TIMEOUT
)
3759 CHECK_MLME_TRIGGER(mvm
, trig
, buf
,
3760 trig_mlme
->stop_auth_timeout
,
3762 } else if (event
->u
.mlme
.data
== DEAUTH_RX_EVENT
) {
3763 CHECK_MLME_TRIGGER(mvm
, trig
, buf
,
3764 trig_mlme
->stop_rx_deauth
,
3765 "DEAUTH RX %d", event
->u
.mlme
.reason
);
3766 } else if (event
->u
.mlme
.data
== DEAUTH_TX_EVENT
) {
3767 CHECK_MLME_TRIGGER(mvm
, trig
, buf
,
3768 trig_mlme
->stop_tx_deauth
,
3769 "DEAUTH TX %d", event
->u
.mlme
.reason
);
3771 #undef CHECK_MLME_TRIGGER
3774 static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm
*mvm
,
3775 struct ieee80211_vif
*vif
,
3776 const struct ieee80211_event
*event
)
3778 struct iwl_fw_dbg_trigger_tlv
*trig
;
3779 struct iwl_fw_dbg_trigger_ba
*ba_trig
;
3781 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_BA
))
3784 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_BA
);
3785 ba_trig
= (void *)trig
->data
;
3786 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
3789 if (!(le16_to_cpu(ba_trig
->rx_bar
) & BIT(event
->u
.ba
.tid
)))
3792 iwl_mvm_fw_dbg_collect_trig(mvm
, trig
,
3793 "BAR received from %pM, tid %d, ssn %d",
3794 event
->u
.ba
.sta
->addr
, event
->u
.ba
.tid
,
3799 iwl_mvm_event_frame_timeout_callback(struct iwl_mvm
*mvm
,
3800 struct ieee80211_vif
*vif
,
3801 const struct ieee80211_event
*event
)
3803 struct iwl_fw_dbg_trigger_tlv
*trig
;
3804 struct iwl_fw_dbg_trigger_ba
*ba_trig
;
3806 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_BA
))
3809 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_BA
);
3810 ba_trig
= (void *)trig
->data
;
3811 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
3814 if (!(le16_to_cpu(ba_trig
->frame_timeout
) & BIT(event
->u
.ba
.tid
)))
3817 iwl_mvm_fw_dbg_collect_trig(mvm
, trig
,
3818 "Frame from %pM timed out, tid %d",
3819 event
->u
.ba
.sta
->addr
, event
->u
.ba
.tid
);
3822 static void iwl_mvm_mac_event_callback(struct ieee80211_hw
*hw
,
3823 struct ieee80211_vif
*vif
,
3824 const struct ieee80211_event
*event
)
3826 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3828 switch (event
->type
) {
3830 iwl_mvm_event_mlme_callback(mvm
, vif
, event
);
3833 iwl_mvm_event_bar_rx_callback(mvm
, vif
, event
);
3835 case BA_FRAME_TIMEOUT
:
3836 iwl_mvm_event_frame_timeout_callback(mvm
, vif
, event
);
3843 const struct ieee80211_ops iwl_mvm_hw_ops
= {
3844 .tx
= iwl_mvm_mac_tx
,
3845 .ampdu_action
= iwl_mvm_mac_ampdu_action
,
3846 .start
= iwl_mvm_mac_start
,
3847 .reconfig_complete
= iwl_mvm_mac_reconfig_complete
,
3848 .stop
= iwl_mvm_mac_stop
,
3849 .add_interface
= iwl_mvm_mac_add_interface
,
3850 .remove_interface
= iwl_mvm_mac_remove_interface
,
3851 .config
= iwl_mvm_mac_config
,
3852 .prepare_multicast
= iwl_mvm_prepare_multicast
,
3853 .configure_filter
= iwl_mvm_configure_filter
,
3854 .config_iface_filter
= iwl_mvm_config_iface_filter
,
3855 .bss_info_changed
= iwl_mvm_bss_info_changed
,
3856 .hw_scan
= iwl_mvm_mac_hw_scan
,
3857 .cancel_hw_scan
= iwl_mvm_mac_cancel_hw_scan
,
3858 .sta_pre_rcu_remove
= iwl_mvm_sta_pre_rcu_remove
,
3859 .sta_state
= iwl_mvm_mac_sta_state
,
3860 .sta_notify
= iwl_mvm_mac_sta_notify
,
3861 .allow_buffered_frames
= iwl_mvm_mac_allow_buffered_frames
,
3862 .release_buffered_frames
= iwl_mvm_mac_release_buffered_frames
,
3863 .set_rts_threshold
= iwl_mvm_mac_set_rts_threshold
,
3864 .sta_rc_update
= iwl_mvm_sta_rc_update
,
3865 .conf_tx
= iwl_mvm_mac_conf_tx
,
3866 .mgd_prepare_tx
= iwl_mvm_mac_mgd_prepare_tx
,
3867 .mgd_protect_tdls_discover
= iwl_mvm_mac_mgd_protect_tdls_discover
,
3868 .flush
= iwl_mvm_mac_flush
,
3869 .sched_scan_start
= iwl_mvm_mac_sched_scan_start
,
3870 .sched_scan_stop
= iwl_mvm_mac_sched_scan_stop
,
3871 .set_key
= iwl_mvm_mac_set_key
,
3872 .update_tkip_key
= iwl_mvm_mac_update_tkip_key
,
3873 .remain_on_channel
= iwl_mvm_roc
,
3874 .cancel_remain_on_channel
= iwl_mvm_cancel_roc
,
3875 .add_chanctx
= iwl_mvm_add_chanctx
,
3876 .remove_chanctx
= iwl_mvm_remove_chanctx
,
3877 .change_chanctx
= iwl_mvm_change_chanctx
,
3878 .assign_vif_chanctx
= iwl_mvm_assign_vif_chanctx
,
3879 .unassign_vif_chanctx
= iwl_mvm_unassign_vif_chanctx
,
3880 .switch_vif_chanctx
= iwl_mvm_switch_vif_chanctx
,
3882 .start_ap
= iwl_mvm_start_ap_ibss
,
3883 .stop_ap
= iwl_mvm_stop_ap_ibss
,
3884 .join_ibss
= iwl_mvm_start_ap_ibss
,
3885 .leave_ibss
= iwl_mvm_stop_ap_ibss
,
3887 .set_tim
= iwl_mvm_set_tim
,
3889 .channel_switch
= iwl_mvm_channel_switch
,
3890 .pre_channel_switch
= iwl_mvm_pre_channel_switch
,
3891 .post_channel_switch
= iwl_mvm_post_channel_switch
,
3893 .tdls_channel_switch
= iwl_mvm_tdls_channel_switch
,
3894 .tdls_cancel_channel_switch
= iwl_mvm_tdls_cancel_channel_switch
,
3895 .tdls_recv_channel_switch
= iwl_mvm_tdls_recv_channel_switch
,
3897 .event_callback
= iwl_mvm_mac_event_callback
,
3899 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd
)
3901 #ifdef CONFIG_PM_SLEEP
3903 .suspend
= iwl_mvm_suspend
,
3904 .resume
= iwl_mvm_resume
,
3905 .set_wakeup
= iwl_mvm_set_wakeup
,
3906 .set_rekey_data
= iwl_mvm_set_rekey_data
,
3907 #if IS_ENABLED(CONFIG_IPV6)
3908 .ipv6_addr_change
= iwl_mvm_ipv6_addr_change
,
3910 .set_default_unicast_key
= iwl_mvm_set_default_unicast_key
,
3912 .get_survey
= iwl_mvm_mac_get_survey
,
3913 .sta_statistics
= iwl_mvm_mac_sta_statistics
,