1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
10 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of version 2 of the GNU General Public License as
14 * published by the Free Software Foundation.
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
26 * The full GNU General Public License is included in this distribution
27 * in the file called COPYING.
29 * Contact Information:
30 * Intel Linux Wireless <linuxwifi@intel.com>
31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
35 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
36 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
37 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
38 * All rights reserved.
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
44 * * Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * * Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in
48 * the documentation and/or other materials provided with the
50 * * Neither the name Intel Corporation nor the names of its
51 * contributors may be used to endorse or promote products derived
52 * from this software without specific prior written permission.
54 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
55 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
56 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
57 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
58 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
59 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
60 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
64 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
66 *****************************************************************************/
67 #include <linux/kernel.h>
68 #include <linux/slab.h>
69 #include <linux/skbuff.h>
70 #include <linux/netdevice.h>
71 #include <linux/etherdevice.h>
73 #include <linux/if_arp.h>
74 #include <linux/time.h>
75 #include <net/mac80211.h>
76 #include <net/ieee80211_radiotap.h>
79 #include "iwl-op-mode.h"
83 #include "time-event.h"
84 #include "iwl-eeprom-parse.h"
85 #include "iwl-phy-db.h"
87 #include "fw/error-dump.h"
89 #include "iwl-nvm-parse.h"
92 static const struct ieee80211_iface_limit iwl_mvm_limits
[] = {
95 .types
= BIT(NL80211_IFTYPE_STATION
),
99 .types
= BIT(NL80211_IFTYPE_AP
) |
100 BIT(NL80211_IFTYPE_P2P_CLIENT
) |
101 BIT(NL80211_IFTYPE_P2P_GO
),
105 .types
= BIT(NL80211_IFTYPE_P2P_DEVICE
),
109 static const struct ieee80211_iface_combination iwl_mvm_iface_combinations
[] = {
111 .num_different_channels
= 2,
113 .limits
= iwl_mvm_limits
,
114 .n_limits
= ARRAY_SIZE(iwl_mvm_limits
),
118 #ifdef CONFIG_PM_SLEEP
119 static const struct nl80211_wowlan_tcp_data_token_feature
120 iwl_mvm_wowlan_tcp_token_feature
= {
123 .bufsize
= IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS
,
126 static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support
= {
127 .tok
= &iwl_mvm_wowlan_tcp_token_feature
,
128 .data_payload_max
= IWL_WOWLAN_TCP_MAX_PACKET_LEN
-
129 sizeof(struct ethhdr
) -
130 sizeof(struct iphdr
) -
131 sizeof(struct tcphdr
),
132 .data_interval_max
= 65535, /* __le16 in API */
133 .wake_payload_max
= IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN
-
134 sizeof(struct ethhdr
) -
135 sizeof(struct iphdr
) -
136 sizeof(struct tcphdr
),
141 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
143 * Use the reserved field to indicate magic values.
144 * these values will only be used internally by the driver,
145 * and won't make it to the fw (reserved will be 0).
146 * BC_FILTER_MAGIC_IP - configure the val of this attribute to
147 * be the vif's ip address. in case there is not a single
148 * ip address (0, or more than 1), this attribute will
150 * BC_FILTER_MAGIC_MAC - set the val of this attribute to
151 * the LSB bytes of the vif's mac address
154 BC_FILTER_MAGIC_NONE
= 0,
159 static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters
[] = {
163 .frame_type
= BCAST_FILTER_FRAME_TYPE_ALL
,
166 /* frame type - arp, hw type - ethernet */
168 BCAST_FILTER_OFFSET_PAYLOAD_START
,
169 .offset
= sizeof(rfc1042_header
),
170 .val
= cpu_to_be32(0x08060001),
171 .mask
= cpu_to_be32(0xffffffff),
176 BCAST_FILTER_OFFSET_PAYLOAD_START
,
177 .offset
= sizeof(rfc1042_header
) + 2 +
178 sizeof(struct arphdr
) +
179 ETH_ALEN
+ sizeof(__be32
) +
181 .mask
= cpu_to_be32(0xffffffff),
182 /* mark it as special field */
183 .reserved1
= cpu_to_le16(BC_FILTER_MAGIC_IP
),
188 /* dhcp offer bcast */
190 .frame_type
= BCAST_FILTER_FRAME_TYPE_IPV4
,
193 /* udp dest port - 68 (bootp client)*/
194 .offset_type
= BCAST_FILTER_OFFSET_IP_END
,
195 .offset
= offsetof(struct udphdr
, dest
),
196 .val
= cpu_to_be32(0x00440000),
197 .mask
= cpu_to_be32(0xffff0000),
200 /* dhcp - lsb bytes of client hw address */
201 .offset_type
= BCAST_FILTER_OFFSET_IP_END
,
203 .mask
= cpu_to_be32(0xffffffff),
204 /* mark it as special field */
205 .reserved1
= cpu_to_le16(BC_FILTER_MAGIC_MAC
),
209 /* last filter must be empty */
214 void iwl_mvm_ref(struct iwl_mvm
*mvm
, enum iwl_mvm_ref_type ref_type
)
216 if (!iwl_mvm_is_d0i3_supported(mvm
))
219 IWL_DEBUG_RPM(mvm
, "Take mvm reference - type %d\n", ref_type
);
220 spin_lock_bh(&mvm
->refs_lock
);
221 mvm
->refs
[ref_type
]++;
222 spin_unlock_bh(&mvm
->refs_lock
);
223 iwl_trans_ref(mvm
->trans
);
226 void iwl_mvm_unref(struct iwl_mvm
*mvm
, enum iwl_mvm_ref_type ref_type
)
228 if (!iwl_mvm_is_d0i3_supported(mvm
))
231 IWL_DEBUG_RPM(mvm
, "Leave mvm reference - type %d\n", ref_type
);
232 spin_lock_bh(&mvm
->refs_lock
);
233 if (WARN_ON(!mvm
->refs
[ref_type
])) {
234 spin_unlock_bh(&mvm
->refs_lock
);
237 mvm
->refs
[ref_type
]--;
238 spin_unlock_bh(&mvm
->refs_lock
);
239 iwl_trans_unref(mvm
->trans
);
242 static void iwl_mvm_unref_all_except(struct iwl_mvm
*mvm
,
243 enum iwl_mvm_ref_type except_ref
)
247 if (!iwl_mvm_is_d0i3_supported(mvm
))
250 spin_lock_bh(&mvm
->refs_lock
);
251 for (i
= 0; i
< IWL_MVM_REF_COUNT
; i
++) {
252 if (except_ref
== i
|| !mvm
->refs
[i
])
255 IWL_DEBUG_RPM(mvm
, "Cleanup: remove mvm ref type %d (%d)\n",
257 for (j
= 0; j
< mvm
->refs
[i
]; j
++)
258 iwl_trans_unref(mvm
->trans
);
261 spin_unlock_bh(&mvm
->refs_lock
);
264 bool iwl_mvm_ref_taken(struct iwl_mvm
*mvm
)
269 if (!iwl_mvm_is_d0i3_supported(mvm
))
272 spin_lock_bh(&mvm
->refs_lock
);
273 for (i
= 0; i
< IWL_MVM_REF_COUNT
; i
++) {
279 spin_unlock_bh(&mvm
->refs_lock
);
284 int iwl_mvm_ref_sync(struct iwl_mvm
*mvm
, enum iwl_mvm_ref_type ref_type
)
286 iwl_mvm_ref(mvm
, ref_type
);
288 if (!wait_event_timeout(mvm
->d0i3_exit_waitq
,
289 !test_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
),
292 iwl_mvm_unref(mvm
, ref_type
);
299 static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm
*mvm
)
303 memset(mvm
->phy_ctxts
, 0, sizeof(mvm
->phy_ctxts
));
304 for (i
= 0; i
< NUM_PHY_CTX
; i
++) {
305 mvm
->phy_ctxts
[i
].id
= i
;
306 mvm
->phy_ctxts
[i
].ref
= 0;
310 struct ieee80211_regdomain
*iwl_mvm_get_regdomain(struct wiphy
*wiphy
,
312 enum iwl_mcc_source src_id
,
315 struct ieee80211_regdomain
*regd
= NULL
;
316 struct ieee80211_hw
*hw
= wiphy_to_ieee80211_hw(wiphy
);
317 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
318 struct iwl_mcc_update_resp
*resp
;
320 IWL_DEBUG_LAR(mvm
, "Getting regdomain data for %s from FW\n", alpha2
);
322 lockdep_assert_held(&mvm
->mutex
);
324 resp
= iwl_mvm_update_mcc(mvm
, alpha2
, src_id
);
325 if (IS_ERR_OR_NULL(resp
)) {
326 IWL_DEBUG_LAR(mvm
, "Could not get update from FW %d\n",
327 PTR_ERR_OR_ZERO(resp
));
332 *changed
= (resp
->status
== MCC_RESP_NEW_CHAN_PROFILE
);
334 regd
= iwl_parse_nvm_mcc_info(mvm
->trans
->dev
, mvm
->cfg
,
335 __le32_to_cpu(resp
->n_channels
),
337 __le16_to_cpu(resp
->mcc
));
338 /* Store the return source id */
339 src_id
= resp
->source_id
;
341 if (IS_ERR_OR_NULL(regd
)) {
342 IWL_DEBUG_LAR(mvm
, "Could not get parse update from FW %d\n",
343 PTR_ERR_OR_ZERO(regd
));
347 IWL_DEBUG_LAR(mvm
, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n",
348 regd
->alpha2
, regd
->alpha2
[0], regd
->alpha2
[1], src_id
);
349 mvm
->lar_regdom_set
= true;
350 mvm
->mcc_src
= src_id
;
356 void iwl_mvm_update_changed_regdom(struct iwl_mvm
*mvm
)
359 struct ieee80211_regdomain
*regd
;
361 if (!iwl_mvm_is_lar_supported(mvm
))
364 regd
= iwl_mvm_get_current_regdomain(mvm
, &changed
);
365 if (!IS_ERR_OR_NULL(regd
)) {
366 /* only update the regulatory core if changed */
368 regulatory_set_wiphy_regd(mvm
->hw
->wiphy
, regd
);
374 struct ieee80211_regdomain
*iwl_mvm_get_current_regdomain(struct iwl_mvm
*mvm
,
377 return iwl_mvm_get_regdomain(mvm
->hw
->wiphy
, "ZZ",
378 iwl_mvm_is_wifi_mcc_supported(mvm
) ?
379 MCC_SOURCE_GET_CURRENT
:
380 MCC_SOURCE_OLD_FW
, changed
);
383 int iwl_mvm_init_fw_regd(struct iwl_mvm
*mvm
)
385 enum iwl_mcc_source used_src
;
386 struct ieee80211_regdomain
*regd
;
389 const struct ieee80211_regdomain
*r
=
390 rtnl_dereference(mvm
->hw
->wiphy
->regd
);
395 /* save the last source in case we overwrite it below */
396 used_src
= mvm
->mcc_src
;
397 if (iwl_mvm_is_wifi_mcc_supported(mvm
)) {
398 /* Notify the firmware we support wifi location updates */
399 regd
= iwl_mvm_get_current_regdomain(mvm
, NULL
);
400 if (!IS_ERR_OR_NULL(regd
))
404 /* Now set our last stored MCC and source */
405 regd
= iwl_mvm_get_regdomain(mvm
->hw
->wiphy
, r
->alpha2
, used_src
,
407 if (IS_ERR_OR_NULL(regd
))
410 /* update cfg80211 if the regdomain was changed */
412 ret
= regulatory_set_wiphy_regd_sync_rtnl(mvm
->hw
->wiphy
, regd
);
420 int iwl_mvm_mac_setup_register(struct iwl_mvm
*mvm
)
422 struct ieee80211_hw
*hw
= mvm
->hw
;
424 static const u32 mvm_ciphers
[] = {
425 WLAN_CIPHER_SUITE_WEP40
,
426 WLAN_CIPHER_SUITE_WEP104
,
427 WLAN_CIPHER_SUITE_TKIP
,
428 WLAN_CIPHER_SUITE_CCMP
,
431 /* Tell mac80211 our characteristics */
432 ieee80211_hw_set(hw
, SIGNAL_DBM
);
433 ieee80211_hw_set(hw
, SPECTRUM_MGMT
);
434 ieee80211_hw_set(hw
, REPORTS_TX_ACK_STATUS
);
435 ieee80211_hw_set(hw
, QUEUE_CONTROL
);
436 ieee80211_hw_set(hw
, WANT_MONITOR_VIF
);
437 ieee80211_hw_set(hw
, SUPPORTS_PS
);
438 ieee80211_hw_set(hw
, SUPPORTS_DYNAMIC_PS
);
439 ieee80211_hw_set(hw
, AMPDU_AGGREGATION
);
440 ieee80211_hw_set(hw
, TIMING_BEACON_ONLY
);
441 ieee80211_hw_set(hw
, CONNECTION_MONITOR
);
442 ieee80211_hw_set(hw
, CHANCTX_STA_CSA
);
443 ieee80211_hw_set(hw
, SUPPORT_FAST_XMIT
);
444 ieee80211_hw_set(hw
, SUPPORTS_CLONED_SKBS
);
445 ieee80211_hw_set(hw
, SUPPORTS_AMSDU_IN_AMPDU
);
446 ieee80211_hw_set(hw
, NEEDS_UNIQUE_STA_ADDR
);
447 if (iwl_mvm_has_new_rx_api(mvm
))
448 ieee80211_hw_set(hw
, SUPPORTS_REORDERING_BUFFER
);
449 if (fw_has_capa(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_CAPA_STA_PM_NOTIF
))
450 ieee80211_hw_set(hw
, AP_LINK_PS
);
452 if (mvm
->trans
->num_rx_queues
> 1)
453 ieee80211_hw_set(hw
, USES_RSS
);
455 if (mvm
->trans
->max_skb_frags
)
456 hw
->netdev_features
= NETIF_F_HIGHDMA
| NETIF_F_SG
;
458 if (!iwl_mvm_is_dqa_supported(mvm
))
459 hw
->queues
= mvm
->first_agg_queue
;
461 hw
->queues
= IEEE80211_MAX_QUEUES
;
462 hw
->offchannel_tx_hw_queue
= IWL_MVM_OFFCHANNEL_QUEUE
;
463 hw
->radiotap_mcs_details
|= IEEE80211_RADIOTAP_MCS_HAVE_FEC
|
464 IEEE80211_RADIOTAP_MCS_HAVE_STBC
;
465 hw
->radiotap_vht_details
|= IEEE80211_RADIOTAP_VHT_KNOWN_STBC
|
466 IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED
;
468 hw
->radiotap_timestamp
.units_pos
=
469 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US
|
470 IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ
;
471 /* this is the case for CCK frames, it's better (only 8) for OFDM */
472 hw
->radiotap_timestamp
.accuracy
= 22;
474 hw
->rate_control_algorithm
= "iwl-mvm-rs";
475 hw
->uapsd_queues
= IWL_MVM_UAPSD_QUEUES
;
476 hw
->uapsd_max_sp_len
= IWL_UAPSD_MAX_SP
;
478 BUILD_BUG_ON(ARRAY_SIZE(mvm
->ciphers
) < ARRAY_SIZE(mvm_ciphers
) + 6);
479 memcpy(mvm
->ciphers
, mvm_ciphers
, sizeof(mvm_ciphers
));
480 hw
->wiphy
->n_cipher_suites
= ARRAY_SIZE(mvm_ciphers
);
481 hw
->wiphy
->cipher_suites
= mvm
->ciphers
;
483 if (iwl_mvm_has_new_rx_api(mvm
)) {
484 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] =
485 WLAN_CIPHER_SUITE_GCMP
;
486 hw
->wiphy
->n_cipher_suites
++;
487 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] =
488 WLAN_CIPHER_SUITE_GCMP_256
;
489 hw
->wiphy
->n_cipher_suites
++;
492 /* Enable 11w if software crypto is not enabled (as the
493 * firmware will interpret some mgmt packets, so enabling it
494 * with software crypto isn't safe).
496 if (!iwlwifi_mod_params
.swcrypto
) {
497 ieee80211_hw_set(hw
, MFP_CAPABLE
);
498 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] =
499 WLAN_CIPHER_SUITE_AES_CMAC
;
500 hw
->wiphy
->n_cipher_suites
++;
501 if (iwl_mvm_has_new_rx_api(mvm
)) {
502 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] =
503 WLAN_CIPHER_SUITE_BIP_GMAC_128
;
504 hw
->wiphy
->n_cipher_suites
++;
505 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] =
506 WLAN_CIPHER_SUITE_BIP_GMAC_256
;
507 hw
->wiphy
->n_cipher_suites
++;
511 /* currently FW API supports only one optional cipher scheme */
512 if (mvm
->fw
->cs
[0].cipher
) {
513 const struct iwl_fw_cipher_scheme
*fwcs
= &mvm
->fw
->cs
[0];
514 struct ieee80211_cipher_scheme
*cs
= &mvm
->cs
[0];
516 mvm
->hw
->n_cipher_schemes
= 1;
518 cs
->cipher
= le32_to_cpu(fwcs
->cipher
);
519 cs
->iftype
= BIT(NL80211_IFTYPE_STATION
);
520 cs
->hdr_len
= fwcs
->hdr_len
;
521 cs
->pn_len
= fwcs
->pn_len
;
522 cs
->pn_off
= fwcs
->pn_off
;
523 cs
->key_idx_off
= fwcs
->key_idx_off
;
524 cs
->key_idx_mask
= fwcs
->key_idx_mask
;
525 cs
->key_idx_shift
= fwcs
->key_idx_shift
;
526 cs
->mic_len
= fwcs
->mic_len
;
528 mvm
->hw
->cipher_schemes
= mvm
->cs
;
529 mvm
->ciphers
[hw
->wiphy
->n_cipher_suites
] = cs
->cipher
;
530 hw
->wiphy
->n_cipher_suites
++;
533 ieee80211_hw_set(hw
, SINGLE_SCAN_ON_ALL_BANDS
);
534 hw
->wiphy
->features
|=
535 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
|
536 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
|
537 NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
539 hw
->sta_data_size
= sizeof(struct iwl_mvm_sta
);
540 hw
->vif_data_size
= sizeof(struct iwl_mvm_vif
);
541 hw
->chanctx_data_size
= sizeof(u16
);
543 hw
->wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
) |
544 BIT(NL80211_IFTYPE_P2P_CLIENT
) |
545 BIT(NL80211_IFTYPE_AP
) |
546 BIT(NL80211_IFTYPE_P2P_GO
) |
547 BIT(NL80211_IFTYPE_P2P_DEVICE
) |
548 BIT(NL80211_IFTYPE_ADHOC
);
550 hw
->wiphy
->flags
|= WIPHY_FLAG_IBSS_RSN
;
551 hw
->wiphy
->regulatory_flags
|= REGULATORY_ENABLE_RELAX_NO_IR
;
552 if (iwl_mvm_is_lar_supported(mvm
))
553 hw
->wiphy
->regulatory_flags
|= REGULATORY_WIPHY_SELF_MANAGED
;
555 hw
->wiphy
->regulatory_flags
|= REGULATORY_CUSTOM_REG
|
556 REGULATORY_DISABLE_BEACON_HINTS
;
558 hw
->wiphy
->flags
|= WIPHY_FLAG_AP_UAPSD
;
559 hw
->wiphy
->flags
|= WIPHY_FLAG_HAS_CHANNEL_SWITCH
;
561 hw
->wiphy
->iface_combinations
= iwl_mvm_iface_combinations
;
562 hw
->wiphy
->n_iface_combinations
=
563 ARRAY_SIZE(iwl_mvm_iface_combinations
);
565 hw
->wiphy
->max_remain_on_channel_duration
= 10000;
566 hw
->max_listen_interval
= IWL_CONN_MAX_LISTEN_INTERVAL
;
567 /* we can compensate an offset of up to 3 channels = 15 MHz */
568 hw
->wiphy
->max_adj_channel_rssi_comp
= 3 * 5;
570 /* Extract MAC address */
571 memcpy(mvm
->addresses
[0].addr
, mvm
->nvm_data
->hw_addr
, ETH_ALEN
);
572 hw
->wiphy
->addresses
= mvm
->addresses
;
573 hw
->wiphy
->n_addresses
= 1;
575 /* Extract additional MAC addresses if available */
576 num_mac
= (mvm
->nvm_data
->n_hw_addrs
> 1) ?
577 min(IWL_MVM_MAX_ADDRESSES
, mvm
->nvm_data
->n_hw_addrs
) : 1;
579 for (i
= 1; i
< num_mac
; i
++) {
580 memcpy(mvm
->addresses
[i
].addr
, mvm
->addresses
[i
-1].addr
,
582 mvm
->addresses
[i
].addr
[5]++;
583 hw
->wiphy
->n_addresses
++;
586 iwl_mvm_reset_phy_ctxts(mvm
);
588 hw
->wiphy
->max_scan_ie_len
= iwl_mvm_max_scan_ie_len(mvm
);
590 hw
->wiphy
->max_scan_ssids
= PROBE_OPTION_MAX
;
592 BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK
& IWL_MVM_SCAN_MASK
);
593 BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS
> HWEIGHT32(IWL_MVM_SCAN_MASK
) ||
594 IWL_MVM_MAX_LMAC_SCANS
> HWEIGHT32(IWL_MVM_SCAN_MASK
));
596 if (fw_has_capa(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_CAPA_UMAC_SCAN
))
597 mvm
->max_scans
= IWL_MVM_MAX_UMAC_SCANS
;
599 mvm
->max_scans
= IWL_MVM_MAX_LMAC_SCANS
;
601 if (mvm
->nvm_data
->bands
[NL80211_BAND_2GHZ
].n_channels
)
602 hw
->wiphy
->bands
[NL80211_BAND_2GHZ
] =
603 &mvm
->nvm_data
->bands
[NL80211_BAND_2GHZ
];
604 if (mvm
->nvm_data
->bands
[NL80211_BAND_5GHZ
].n_channels
) {
605 hw
->wiphy
->bands
[NL80211_BAND_5GHZ
] =
606 &mvm
->nvm_data
->bands
[NL80211_BAND_5GHZ
];
608 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
609 IWL_UCODE_TLV_CAPA_BEAMFORMER
) &&
610 fw_has_api(&mvm
->fw
->ucode_capa
,
611 IWL_UCODE_TLV_API_LQ_SS_PARAMS
))
612 hw
->wiphy
->bands
[NL80211_BAND_5GHZ
]->vht_cap
.cap
|=
613 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE
;
616 hw
->wiphy
->hw_version
= mvm
->trans
->hw_id
;
618 if (iwlmvm_mod_params
.power_scheme
!= IWL_POWER_SCHEME_CAM
)
619 hw
->wiphy
->flags
|= WIPHY_FLAG_PS_ON_BY_DEFAULT
;
621 hw
->wiphy
->flags
&= ~WIPHY_FLAG_PS_ON_BY_DEFAULT
;
623 hw
->wiphy
->max_sched_scan_reqs
= 1;
624 hw
->wiphy
->max_sched_scan_ssids
= PROBE_OPTION_MAX
;
625 hw
->wiphy
->max_match_sets
= IWL_SCAN_MAX_PROFILES
;
626 /* we create the 802.11 header and zero length SSID IE. */
627 hw
->wiphy
->max_sched_scan_ie_len
=
628 SCAN_OFFLOAD_PROBE_REQ_SIZE
- 24 - 2;
629 hw
->wiphy
->max_sched_scan_plans
= IWL_MAX_SCHED_SCAN_PLANS
;
630 hw
->wiphy
->max_sched_scan_plan_interval
= U16_MAX
;
633 * the firmware uses u8 for num of iterations, but 0xff is saved for
634 * infinite loop, so the maximum number of iterations is actually 254.
636 hw
->wiphy
->max_sched_scan_plan_iterations
= 254;
638 hw
->wiphy
->features
|= NL80211_FEATURE_P2P_GO_CTWIN
|
639 NL80211_FEATURE_LOW_PRIORITY_SCAN
|
640 NL80211_FEATURE_P2P_GO_OPPPS
|
641 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE
|
642 NL80211_FEATURE_DYNAMIC_SMPS
|
643 NL80211_FEATURE_STATIC_SMPS
|
644 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
;
646 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
647 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT
))
648 hw
->wiphy
->features
|= NL80211_FEATURE_TX_POWER_INSERTION
;
649 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
650 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT
))
651 hw
->wiphy
->features
|= NL80211_FEATURE_QUIET
;
653 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
654 IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT
))
655 hw
->wiphy
->features
|=
656 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
;
658 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
659 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT
))
660 hw
->wiphy
->features
|= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES
;
662 if (fw_has_api(&mvm
->fw
->ucode_capa
,
663 IWL_UCODE_TLV_API_SCAN_TSF_REPORT
)) {
664 wiphy_ext_feature_set(hw
->wiphy
,
665 NL80211_EXT_FEATURE_SCAN_START_TIME
);
666 wiphy_ext_feature_set(hw
->wiphy
,
667 NL80211_EXT_FEATURE_BSS_PARENT_TSF
);
668 wiphy_ext_feature_set(hw
->wiphy
,
669 NL80211_EXT_FEATURE_SET_SCAN_DWELL
);
672 mvm
->rts_threshold
= IEEE80211_MAX_RTS_THRESHOLD
;
674 #ifdef CONFIG_PM_SLEEP
675 if (iwl_mvm_is_d0i3_supported(mvm
) &&
676 device_can_wakeup(mvm
->trans
->dev
)) {
677 mvm
->wowlan
.flags
= WIPHY_WOWLAN_ANY
;
678 hw
->wiphy
->wowlan
= &mvm
->wowlan
;
681 if (mvm
->fw
->img
[IWL_UCODE_WOWLAN
].num_sec
&&
682 mvm
->trans
->ops
->d3_suspend
&&
683 mvm
->trans
->ops
->d3_resume
&&
684 device_can_wakeup(mvm
->trans
->dev
)) {
685 mvm
->wowlan
.flags
|= WIPHY_WOWLAN_MAGIC_PKT
|
686 WIPHY_WOWLAN_DISCONNECT
|
687 WIPHY_WOWLAN_EAP_IDENTITY_REQ
|
688 WIPHY_WOWLAN_RFKILL_RELEASE
|
689 WIPHY_WOWLAN_NET_DETECT
;
690 if (!iwlwifi_mod_params
.swcrypto
)
691 mvm
->wowlan
.flags
|= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
|
692 WIPHY_WOWLAN_GTK_REKEY_FAILURE
|
693 WIPHY_WOWLAN_4WAY_HANDSHAKE
;
695 mvm
->wowlan
.n_patterns
= IWL_WOWLAN_MAX_PATTERNS
;
696 mvm
->wowlan
.pattern_min_len
= IWL_WOWLAN_MIN_PATTERN_LEN
;
697 mvm
->wowlan
.pattern_max_len
= IWL_WOWLAN_MAX_PATTERN_LEN
;
698 mvm
->wowlan
.max_nd_match_sets
= IWL_SCAN_MAX_PROFILES
;
699 mvm
->wowlan
.tcp
= &iwl_mvm_wowlan_tcp_support
;
700 hw
->wiphy
->wowlan
= &mvm
->wowlan
;
704 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
705 /* assign default bcast filtering configuration */
706 mvm
->bcast_filters
= iwl_mvm_default_bcast_filters
;
709 ret
= iwl_mvm_leds_init(mvm
);
713 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
714 IWL_UCODE_TLV_CAPA_TDLS_SUPPORT
)) {
715 IWL_DEBUG_TDLS(mvm
, "TDLS supported\n");
716 hw
->wiphy
->flags
|= WIPHY_FLAG_SUPPORTS_TDLS
;
717 ieee80211_hw_set(hw
, TDLS_WIDER_BW
);
720 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
721 IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH
)) {
722 IWL_DEBUG_TDLS(mvm
, "TDLS channel switch supported\n");
723 hw
->wiphy
->features
|= NL80211_FEATURE_TDLS_CHANNEL_SWITCH
;
726 hw
->netdev_features
|= mvm
->cfg
->features
;
727 if (!iwl_mvm_is_csum_supported(mvm
)) {
728 hw
->netdev_features
&= ~(IWL_TX_CSUM_NETIF_FLAGS
|
730 /* We may support SW TX CSUM */
731 if (IWL_MVM_SW_TX_CSUM_OFFLOAD
)
732 hw
->netdev_features
|= IWL_TX_CSUM_NETIF_FLAGS
;
735 ret
= ieee80211_register_hw(mvm
->hw
);
737 iwl_mvm_leds_exit(mvm
);
738 mvm
->init_status
|= IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE
;
740 if (mvm
->cfg
->vht_mu_mimo_supported
)
741 wiphy_ext_feature_set(hw
->wiphy
,
742 NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER
);
747 static bool iwl_mvm_defer_tx(struct iwl_mvm
*mvm
,
748 struct ieee80211_sta
*sta
,
751 struct iwl_mvm_sta
*mvmsta
;
755 * double check the IN_D0I3 flag both before and after
756 * taking the spinlock, in order to prevent taking
757 * the spinlock when not needed.
759 if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
)))
762 spin_lock(&mvm
->d0i3_tx_lock
);
764 * testing the flag again ensures the skb dequeue
765 * loop (on d0i3 exit) hasn't run yet.
767 if (!test_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
))
770 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
771 if (mvmsta
->sta_id
== IWL_MVM_INVALID_STA
||
772 mvmsta
->sta_id
!= mvm
->d0i3_ap_sta_id
)
775 __skb_queue_tail(&mvm
->d0i3_tx
, skb
);
776 ieee80211_stop_queues(mvm
->hw
);
779 iwl_mvm_ref(mvm
, IWL_MVM_REF_TX
);
780 iwl_mvm_unref(mvm
, IWL_MVM_REF_TX
);
784 spin_unlock(&mvm
->d0i3_tx_lock
);
788 static void iwl_mvm_mac_tx(struct ieee80211_hw
*hw
,
789 struct ieee80211_tx_control
*control
,
792 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
793 struct ieee80211_sta
*sta
= control
->sta
;
794 struct ieee80211_tx_info
*info
= IEEE80211_SKB_CB(skb
);
795 struct ieee80211_hdr
*hdr
= (void *)skb
->data
;
797 if (iwl_mvm_is_radio_killed(mvm
)) {
798 IWL_DEBUG_DROP(mvm
, "Dropping - RF/CT KILL\n");
802 if (IEEE80211_SKB_CB(skb
)->hw_queue
== IWL_MVM_OFFCHANNEL_QUEUE
&&
803 !test_bit(IWL_MVM_STATUS_ROC_RUNNING
, &mvm
->status
) &&
804 !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING
, &mvm
->status
))
807 /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */
808 if (unlikely(info
->flags
& IEEE80211_TX_CTL_NO_PS_BUFFER
&&
809 ieee80211_is_mgmt(hdr
->frame_control
) &&
810 !ieee80211_is_deauth(hdr
->frame_control
) &&
811 !ieee80211_is_disassoc(hdr
->frame_control
) &&
812 !ieee80211_is_action(hdr
->frame_control
)))
816 if (iwl_mvm_defer_tx(mvm
, sta
, skb
))
818 if (iwl_mvm_tx_skb(mvm
, skb
, sta
))
823 if (iwl_mvm_tx_skb_non_sta(mvm
, skb
))
827 ieee80211_free_txskb(hw
, skb
);
830 static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg
*cfg
)
832 if (iwlwifi_mod_params
.disable_11n
& IWL_DISABLE_HT_RXAGG
)
837 static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg
*cfg
)
839 if (iwlwifi_mod_params
.disable_11n
& IWL_DISABLE_HT_TXAGG
)
841 if (iwlwifi_mod_params
.disable_11n
& IWL_ENABLE_HT_TXAGG
)
844 /* enabled by default */
848 #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \
850 if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \
852 iwl_mvm_fw_dbg_collect_trig(_mvm, _trig, _fmt); \
856 iwl_mvm_ampdu_check_trigger(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
857 struct ieee80211_sta
*sta
, u16 tid
, u16 rx_ba_ssn
,
858 enum ieee80211_ampdu_mlme_action action
)
860 struct iwl_fw_dbg_trigger_tlv
*trig
;
861 struct iwl_fw_dbg_trigger_ba
*ba_trig
;
863 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_BA
))
866 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_BA
);
867 ba_trig
= (void *)trig
->data
;
869 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
873 case IEEE80211_AMPDU_TX_OPERATIONAL
: {
874 struct iwl_mvm_sta
*mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
875 struct iwl_mvm_tid_data
*tid_data
= &mvmsta
->tid_data
[tid
];
877 CHECK_BA_TRIGGER(mvm
, trig
, ba_trig
->tx_ba_start
, tid
,
878 "TX AGG START: MAC %pM tid %d ssn %d\n",
879 sta
->addr
, tid
, tid_data
->ssn
);
882 case IEEE80211_AMPDU_TX_STOP_CONT
:
883 CHECK_BA_TRIGGER(mvm
, trig
, ba_trig
->tx_ba_stop
, tid
,
884 "TX AGG STOP: MAC %pM tid %d\n",
887 case IEEE80211_AMPDU_RX_START
:
888 CHECK_BA_TRIGGER(mvm
, trig
, ba_trig
->rx_ba_start
, tid
,
889 "RX AGG START: MAC %pM tid %d ssn %d\n",
890 sta
->addr
, tid
, rx_ba_ssn
);
892 case IEEE80211_AMPDU_RX_STOP
:
893 CHECK_BA_TRIGGER(mvm
, trig
, ba_trig
->rx_ba_stop
, tid
,
894 "RX AGG STOP: MAC %pM tid %d\n",
902 static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw
*hw
,
903 struct ieee80211_vif
*vif
,
904 struct ieee80211_ampdu_params
*params
)
906 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
908 bool tx_agg_ref
= false;
909 struct ieee80211_sta
*sta
= params
->sta
;
910 enum ieee80211_ampdu_mlme_action action
= params
->action
;
911 u16 tid
= params
->tid
;
912 u16
*ssn
= ¶ms
->ssn
;
913 u8 buf_size
= params
->buf_size
;
914 bool amsdu
= params
->amsdu
;
915 u16 timeout
= params
->timeout
;
917 IWL_DEBUG_HT(mvm
, "A-MPDU action on addr %pM tid %d: action %d\n",
918 sta
->addr
, tid
, action
);
920 if (!(mvm
->nvm_data
->sku_cap_11n_enable
))
923 /* return from D0i3 before starting a new Tx aggregation */
925 case IEEE80211_AMPDU_TX_START
:
926 case IEEE80211_AMPDU_TX_STOP_CONT
:
927 case IEEE80211_AMPDU_TX_STOP_FLUSH
:
928 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT
:
929 case IEEE80211_AMPDU_TX_OPERATIONAL
:
931 * for tx start, wait synchronously until D0i3 exit to
932 * get the correct sequence number for the tid.
933 * additionally, some other ampdu actions use direct
934 * target access, which is not handled automatically
935 * by the trans layer (unlike commands), so wait for
936 * d0i3 exit in these cases as well.
938 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_TX_AGG
);
948 mutex_lock(&mvm
->mutex
);
951 case IEEE80211_AMPDU_RX_START
:
952 if (!iwl_enable_rx_ampdu(mvm
->cfg
)) {
956 ret
= iwl_mvm_sta_rx_agg(mvm
, sta
, tid
, *ssn
, true, buf_size
,
959 case IEEE80211_AMPDU_RX_STOP
:
960 ret
= iwl_mvm_sta_rx_agg(mvm
, sta
, tid
, 0, false, buf_size
,
963 case IEEE80211_AMPDU_TX_START
:
964 if (!iwl_enable_tx_ampdu(mvm
->cfg
)) {
968 ret
= iwl_mvm_sta_tx_agg_start(mvm
, vif
, sta
, tid
, ssn
);
970 case IEEE80211_AMPDU_TX_STOP_CONT
:
971 ret
= iwl_mvm_sta_tx_agg_stop(mvm
, vif
, sta
, tid
);
973 case IEEE80211_AMPDU_TX_STOP_FLUSH
:
974 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT
:
975 ret
= iwl_mvm_sta_tx_agg_flush(mvm
, vif
, sta
, tid
);
977 case IEEE80211_AMPDU_TX_OPERATIONAL
:
978 ret
= iwl_mvm_sta_tx_agg_oper(mvm
, vif
, sta
, tid
,
990 if (action
== IEEE80211_AMPDU_RX_START
)
993 iwl_mvm_ampdu_check_trigger(mvm
, vif
, sta
, tid
,
996 mutex_unlock(&mvm
->mutex
);
999 * If the tid is marked as started, we won't use it for offloaded
1000 * traffic on the next D0i3 entry. It's safe to unref.
1003 iwl_mvm_unref(mvm
, IWL_MVM_REF_TX_AGG
);
1008 static void iwl_mvm_cleanup_iterator(void *data
, u8
*mac
,
1009 struct ieee80211_vif
*vif
)
1011 struct iwl_mvm
*mvm
= data
;
1012 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1014 mvmvif
->uploaded
= false;
1015 mvmvif
->ap_sta_id
= IWL_MVM_INVALID_STA
;
1017 spin_lock_bh(&mvm
->time_event_lock
);
1018 iwl_mvm_te_clear_data(mvm
, &mvmvif
->time_event_data
);
1019 spin_unlock_bh(&mvm
->time_event_lock
);
1021 mvmvif
->phy_ctxt
= NULL
;
1022 memset(&mvmvif
->bf_data
, 0, sizeof(mvmvif
->bf_data
));
1025 static void iwl_mvm_restart_cleanup(struct iwl_mvm
*mvm
)
1027 /* clear the D3 reconfig, we only need it to avoid dumping a
1028 * firmware coredump on reconfiguration, we shouldn't do that
1029 * on D3->D0 transition
1031 if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG
, &mvm
->status
)) {
1032 mvm
->fw_dump_desc
= &iwl_mvm_dump_desc_assert
;
1033 iwl_mvm_fw_error_dump(mvm
);
1036 /* cleanup all stale references (scan, roc), but keep the
1037 * ucode_down ref until reconfig is complete
1039 iwl_mvm_unref_all_except(mvm
, IWL_MVM_REF_UCODE_DOWN
);
1041 iwl_mvm_stop_device(mvm
);
1043 mvm
->scan_status
= 0;
1044 mvm
->ps_disabled
= false;
1045 mvm
->calibrating
= false;
1047 /* just in case one was running */
1048 iwl_mvm_cleanup_roc_te(mvm
);
1049 ieee80211_remain_on_channel_expired(mvm
->hw
);
1052 * cleanup all interfaces, even inactive ones, as some might have
1053 * gone down during the HW restart
1055 ieee80211_iterate_interfaces(mvm
->hw
, 0, iwl_mvm_cleanup_iterator
, mvm
);
1057 mvm
->p2p_device_vif
= NULL
;
1058 mvm
->d0i3_ap_sta_id
= IWL_MVM_INVALID_STA
;
1060 iwl_mvm_reset_phy_ctxts(mvm
);
1061 memset(mvm
->fw_key_table
, 0, sizeof(mvm
->fw_key_table
));
1062 memset(mvm
->sta_drained
, 0, sizeof(mvm
->sta_drained
));
1063 memset(mvm
->sta_deferred_frames
, 0, sizeof(mvm
->sta_deferred_frames
));
1064 memset(mvm
->tfd_drained
, 0, sizeof(mvm
->tfd_drained
));
1065 memset(&mvm
->last_bt_notif
, 0, sizeof(mvm
->last_bt_notif
));
1066 memset(&mvm
->last_bt_ci_cmd
, 0, sizeof(mvm
->last_bt_ci_cmd
));
1068 ieee80211_wake_queues(mvm
->hw
);
1070 /* clear any stale d0i3 state */
1071 clear_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
);
1074 mvm
->rx_ba_sessions
= 0;
1075 mvm
->fw_dbg_conf
= FW_DBG_INVALID
;
1077 /* keep statistics ticking */
1078 iwl_mvm_accu_radio_stats(mvm
);
1081 int __iwl_mvm_mac_start(struct iwl_mvm
*mvm
)
1085 lockdep_assert_held(&mvm
->mutex
);
1087 if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED
, &mvm
->status
)) {
1089 * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART
1090 * so later code will - from now on - see that we're doing it.
1092 set_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
);
1093 clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED
, &mvm
->status
);
1094 /* Clean up some internal and mac80211 state on restart */
1095 iwl_mvm_restart_cleanup(mvm
);
1097 /* Hold the reference to prevent runtime suspend while
1098 * the start procedure runs. It's a bit confusing
1099 * that the UCODE_DOWN reference is taken, but it just
1100 * means "UCODE is not UP yet". ( TODO: rename this
1103 iwl_mvm_ref(mvm
, IWL_MVM_REF_UCODE_DOWN
);
1105 ret
= iwl_mvm_up(mvm
);
1107 if (ret
&& test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
)) {
1108 /* Something went wrong - we need to finish some cleanup
1109 * that normally iwl_mvm_mac_restart_complete() below
1112 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
);
1113 iwl_mvm_d0i3_enable_tx(mvm
, NULL
);
1119 static int iwl_mvm_mac_start(struct ieee80211_hw
*hw
)
1121 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1124 /* Some hw restart cleanups must not hold the mutex */
1125 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
)) {
1127 * Make sure we are out of d0i3. This is needed
1128 * to make sure the reference accounting is correct
1129 * (and there is no stale d0i3_exit_work).
1131 wait_event_timeout(mvm
->d0i3_exit_waitq
,
1132 !test_bit(IWL_MVM_STATUS_IN_D0I3
,
1137 mutex_lock(&mvm
->mutex
);
1138 ret
= __iwl_mvm_mac_start(mvm
);
1139 mutex_unlock(&mvm
->mutex
);
1144 static void iwl_mvm_restart_complete(struct iwl_mvm
*mvm
)
1148 mutex_lock(&mvm
->mutex
);
1150 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
);
1151 iwl_mvm_d0i3_enable_tx(mvm
, NULL
);
1152 ret
= iwl_mvm_update_quotas(mvm
, true, NULL
);
1154 IWL_ERR(mvm
, "Failed to update quotas after restart (%d)\n",
1157 /* allow transport/FW low power modes */
1158 iwl_mvm_unref(mvm
, IWL_MVM_REF_UCODE_DOWN
);
1161 * If we have TDLS peers, remove them. We don't know the last seqno/PN
1162 * of packets the FW sent out, so we must reconnect.
1164 iwl_mvm_teardown_tdls_peers(mvm
);
1166 mutex_unlock(&mvm
->mutex
);
1169 static void iwl_mvm_resume_complete(struct iwl_mvm
*mvm
)
1171 if (iwl_mvm_is_d0i3_supported(mvm
) &&
1172 iwl_mvm_enter_d0i3_on_suspend(mvm
))
1173 WARN_ONCE(!wait_event_timeout(mvm
->d0i3_exit_waitq
,
1174 !test_bit(IWL_MVM_STATUS_IN_D0I3
,
1177 "D0i3 exit on resume timed out\n");
1181 iwl_mvm_mac_reconfig_complete(struct ieee80211_hw
*hw
,
1182 enum ieee80211_reconfig_type reconfig_type
)
1184 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1186 switch (reconfig_type
) {
1187 case IEEE80211_RECONFIG_TYPE_RESTART
:
1188 iwl_mvm_restart_complete(mvm
);
1190 case IEEE80211_RECONFIG_TYPE_SUSPEND
:
1191 iwl_mvm_resume_complete(mvm
);
1196 void __iwl_mvm_mac_stop(struct iwl_mvm
*mvm
)
1198 lockdep_assert_held(&mvm
->mutex
);
1200 /* firmware counters are obviously reset now, but we shouldn't
1201 * partially track so also clear the fw_reset_accu counters.
1203 memset(&mvm
->accu_radio_stats
, 0, sizeof(mvm
->accu_radio_stats
));
1205 /* async_handlers_wk is now blocked */
1208 * The work item could be running or queued if the
1209 * ROC time event stops just as we get here.
1211 flush_work(&mvm
->roc_done_wk
);
1213 iwl_mvm_stop_device(mvm
);
1215 iwl_mvm_async_handlers_purge(mvm
);
1216 /* async_handlers_list is empty and will stay empty: HW is stopped */
1218 /* the fw is stopped, the aux sta is dead: clean up driver state */
1219 iwl_mvm_del_aux_sta(mvm
);
1222 * Clear IN_HW_RESTART flag when stopping the hw (as restart_complete()
1223 * won't be called in this case).
1224 * But make sure to cleanup interfaces that have gone down before/during
1225 * HW restart was requested.
1227 if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
))
1228 ieee80211_iterate_interfaces(mvm
->hw
, 0,
1229 iwl_mvm_cleanup_iterator
, mvm
);
1231 /* We shouldn't have any UIDs still set. Loop over all the UIDs to
1232 * make sure there's nothing left there and warn if any is found.
1234 if (fw_has_capa(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_CAPA_UMAC_SCAN
)) {
1237 for (i
= 0; i
< mvm
->max_scans
; i
++) {
1238 if (WARN_ONCE(mvm
->scan_uid_status
[i
],
1239 "UMAC scan UID %d status was not cleaned\n",
1241 mvm
->scan_uid_status
[i
] = 0;
1246 static void iwl_mvm_mac_stop(struct ieee80211_hw
*hw
)
1248 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1250 flush_work(&mvm
->d0i3_exit_work
);
1251 flush_work(&mvm
->async_handlers_wk
);
1252 flush_work(&mvm
->add_stream_wk
);
1255 * Lock and clear the firmware running bit here already, so that
1256 * new commands coming in elsewhere, e.g. from debugfs, will not
1257 * be able to proceed. This is important here because one of those
1258 * debugfs files causes the fw_dump_wk to be triggered, and if we
1259 * don't stop debugfs accesses before canceling that it could be
1260 * retriggered after we flush it but before we've cleared the bit.
1262 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING
, &mvm
->status
);
1264 cancel_delayed_work_sync(&mvm
->fw_dump_wk
);
1265 cancel_delayed_work_sync(&mvm
->cs_tx_unblock_dwork
);
1266 cancel_delayed_work_sync(&mvm
->scan_timeout_dwork
);
1267 iwl_mvm_free_fw_dump_desc(mvm
);
1269 mutex_lock(&mvm
->mutex
);
1270 __iwl_mvm_mac_stop(mvm
);
1271 mutex_unlock(&mvm
->mutex
);
1274 * The worker might have been waiting for the mutex, let it run and
1275 * discover that its list is now empty.
1277 cancel_work_sync(&mvm
->async_handlers_wk
);
1280 static struct iwl_mvm_phy_ctxt
*iwl_mvm_get_free_phy_ctxt(struct iwl_mvm
*mvm
)
1284 lockdep_assert_held(&mvm
->mutex
);
1286 for (i
= 0; i
< NUM_PHY_CTX
; i
++)
1287 if (!mvm
->phy_ctxts
[i
].ref
)
1288 return &mvm
->phy_ctxts
[i
];
1290 IWL_ERR(mvm
, "No available PHY context\n");
1294 static int iwl_mvm_set_tx_power(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
1297 struct iwl_dev_tx_power_cmd cmd
= {
1298 .v3
.set_mode
= cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC
),
1299 .v3
.mac_context_id
=
1300 cpu_to_le32(iwl_mvm_vif_from_mac80211(vif
)->id
),
1301 .v3
.pwr_restriction
= cpu_to_le16(8 * tx_power
),
1303 int len
= sizeof(cmd
);
1305 if (tx_power
== IWL_DEFAULT_MAX_TX_POWER
)
1306 cmd
.v3
.pwr_restriction
= cpu_to_le16(IWL_DEV_MAX_TX_POWER
);
1308 if (!fw_has_capa(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_CAPA_TX_POWER_ACK
))
1309 len
= sizeof(cmd
.v3
);
1311 return iwl_mvm_send_cmd_pdu(mvm
, REDUCE_TX_POWER_CMD
, 0, len
, &cmd
);
1314 static int iwl_mvm_mac_add_interface(struct ieee80211_hw
*hw
,
1315 struct ieee80211_vif
*vif
)
1317 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1318 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1324 * make sure D0i3 exit is completed, otherwise a target access
1325 * during tx queue configuration could be done when still in
1328 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_ADD_IF
);
1333 * Not much to do here. The stack will not allow interface
1334 * types or combinations that we didn't advertise, so we
1335 * don't really have to check the types.
1338 mutex_lock(&mvm
->mutex
);
1340 /* make sure that beacon statistics don't go backwards with FW reset */
1341 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
))
1342 mvmvif
->beacon_stats
.accu_num_beacons
+=
1343 mvmvif
->beacon_stats
.num_beacons
;
1345 /* Allocate resources for the MAC context, and add it to the fw */
1346 ret
= iwl_mvm_mac_ctxt_init(mvm
, vif
);
1350 /* Counting number of interfaces is needed for legacy PM */
1351 if (vif
->type
!= NL80211_IFTYPE_P2P_DEVICE
)
1355 * The AP binding flow can be done only after the beacon
1356 * template is configured (which happens only in the mac80211
1357 * start_ap() flow), and adding the broadcast station can happen
1358 * only after the binding.
1359 * In addition, since modifying the MAC before adding a bcast
1360 * station is not allowed by the FW, delay the adding of MAC context to
1361 * the point where we can also add the bcast station.
1362 * In short: there's not much we can do at this point, other than
1363 * allocating resources :)
1365 if (vif
->type
== NL80211_IFTYPE_AP
||
1366 vif
->type
== NL80211_IFTYPE_ADHOC
) {
1367 ret
= iwl_mvm_alloc_bcast_sta(mvm
, vif
);
1369 IWL_ERR(mvm
, "Failed to allocate bcast sta\n");
1373 if (iwl_mvm_is_dqa_supported(mvm
)) {
1375 * Only queue for this station is the mcast queue,
1376 * which shouldn't be in TFD mask anyway
1378 ret
= iwl_mvm_allocate_int_sta(mvm
, &mvmvif
->mcast_sta
,
1385 iwl_mvm_vif_dbgfs_register(mvm
, vif
);
1389 mvmvif
->features
|= hw
->netdev_features
;
1391 ret
= iwl_mvm_mac_ctxt_add(mvm
, vif
);
1395 ret
= iwl_mvm_power_update_mac(mvm
);
1397 goto out_remove_mac
;
1399 /* beacon filtering */
1400 ret
= iwl_mvm_disable_beacon_filter(mvm
, vif
, 0);
1402 goto out_remove_mac
;
1404 if (!mvm
->bf_allowed_vif
&&
1405 vif
->type
== NL80211_IFTYPE_STATION
&& !vif
->p2p
) {
1406 mvm
->bf_allowed_vif
= mvmvif
;
1407 vif
->driver_flags
|= IEEE80211_VIF_BEACON_FILTER
|
1408 IEEE80211_VIF_SUPPORTS_CQM_RSSI
;
1412 * P2P_DEVICE interface does not have a channel context assigned to it,
1413 * so a dedicated PHY context is allocated to it and the corresponding
1414 * MAC context is bound to it at this stage.
1416 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
1418 mvmvif
->phy_ctxt
= iwl_mvm_get_free_phy_ctxt(mvm
);
1419 if (!mvmvif
->phy_ctxt
) {
1424 iwl_mvm_phy_ctxt_ref(mvm
, mvmvif
->phy_ctxt
);
1425 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
1429 ret
= iwl_mvm_add_bcast_sta(mvm
, vif
);
1433 /* Save a pointer to p2p device vif, so it can later be used to
1434 * update the p2p device MAC when a GO is started/stopped */
1435 mvm
->p2p_device_vif
= vif
;
1438 iwl_mvm_vif_dbgfs_register(mvm
, vif
);
1442 iwl_mvm_binding_remove_vif(mvm
, vif
);
1444 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
1446 if (mvm
->bf_allowed_vif
== mvmvif
) {
1447 mvm
->bf_allowed_vif
= NULL
;
1448 vif
->driver_flags
&= ~(IEEE80211_VIF_BEACON_FILTER
|
1449 IEEE80211_VIF_SUPPORTS_CQM_RSSI
);
1452 mvmvif
->phy_ctxt
= NULL
;
1453 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
1455 if (vif
->type
!= NL80211_IFTYPE_P2P_DEVICE
)
1458 iwl_mvm_mac_ctxt_release(mvm
, vif
);
1460 mutex_unlock(&mvm
->mutex
);
1462 iwl_mvm_unref(mvm
, IWL_MVM_REF_ADD_IF
);
1467 static void iwl_mvm_prepare_mac_removal(struct iwl_mvm
*mvm
,
1468 struct ieee80211_vif
*vif
)
1470 u32 tfd_msk
= iwl_mvm_mac_get_queues_mask(vif
);
1472 if (tfd_msk
&& !iwl_mvm_is_dqa_supported(mvm
)) {
1474 * mac80211 first removes all the stations of the vif and
1475 * then removes the vif. When it removes a station it also
1476 * flushes the AMPDU session. So by now, all the AMPDU sessions
1477 * of all the stations of this vif are closed, and the queues
1478 * of these AMPDU sessions are properly closed.
1479 * We still need to take care of the shared queues of the vif.
1481 * For DQA mode there is no need - broacast and multicast queue
1482 * are flushed separately.
1484 mutex_lock(&mvm
->mutex
);
1485 iwl_mvm_flush_tx_path(mvm
, tfd_msk
, 0);
1486 mutex_unlock(&mvm
->mutex
);
1489 * There are transports that buffer a few frames in the host.
1490 * For these, the flush above isn't enough since while we were
1491 * flushing, the transport might have sent more frames to the
1492 * device. To solve this, wait here until the transport is
1493 * empty. Technically, this could have replaced the flush
1494 * above, but flush is much faster than draining. So flush
1495 * first, and drain to make sure we have no frames in the
1496 * transport anymore.
1497 * If a station still had frames on the shared queues, it is
1498 * already marked as draining, so to complete the draining, we
1499 * just need to wait until the transport is empty.
1501 iwl_trans_wait_tx_queues_empty(mvm
->trans
, tfd_msk
);
1504 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
1506 * Flush the ROC worker which will flush the OFFCHANNEL queue.
1507 * We assume here that all the packets sent to the OFFCHANNEL
1508 * queue are sent in ROC session.
1510 flush_work(&mvm
->roc_done_wk
);
1513 * By now, all the AC queues are empty. The AGG queues are
1514 * empty too. We already got all the Tx responses for all the
1515 * packets in the queues. The drain work can have been
1516 * triggered. Flush it.
1518 flush_work(&mvm
->sta_drained_wk
);
1522 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw
*hw
,
1523 struct ieee80211_vif
*vif
)
1525 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1526 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1528 iwl_mvm_prepare_mac_removal(mvm
, vif
);
1530 mutex_lock(&mvm
->mutex
);
1532 if (mvm
->bf_allowed_vif
== mvmvif
) {
1533 mvm
->bf_allowed_vif
= NULL
;
1534 vif
->driver_flags
&= ~(IEEE80211_VIF_BEACON_FILTER
|
1535 IEEE80211_VIF_SUPPORTS_CQM_RSSI
);
1538 iwl_mvm_vif_dbgfs_clean(mvm
, vif
);
1541 * For AP/GO interface, the tear down of the resources allocated to the
1542 * interface is be handled as part of the stop_ap flow.
1544 if (vif
->type
== NL80211_IFTYPE_AP
||
1545 vif
->type
== NL80211_IFTYPE_ADHOC
) {
1546 #ifdef CONFIG_NL80211_TESTMODE
1547 if (vif
== mvm
->noa_vif
) {
1548 mvm
->noa_vif
= NULL
;
1549 mvm
->noa_duration
= 0;
1552 iwl_mvm_dealloc_int_sta(mvm
, &mvmvif
->mcast_sta
);
1553 iwl_mvm_dealloc_bcast_sta(mvm
, vif
);
1557 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
1558 mvm
->p2p_device_vif
= NULL
;
1559 iwl_mvm_rm_bcast_sta(mvm
, vif
);
1560 iwl_mvm_binding_remove_vif(mvm
, vif
);
1561 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
1562 mvmvif
->phy_ctxt
= NULL
;
1565 if (mvm
->vif_count
&& vif
->type
!= NL80211_IFTYPE_P2P_DEVICE
)
1568 iwl_mvm_power_update_mac(mvm
);
1569 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
1572 iwl_mvm_mac_ctxt_release(mvm
, vif
);
1573 mutex_unlock(&mvm
->mutex
);
1576 static int iwl_mvm_mac_config(struct ieee80211_hw
*hw
, u32 changed
)
1581 struct iwl_mvm_mc_iter_data
{
1582 struct iwl_mvm
*mvm
;
1586 static void iwl_mvm_mc_iface_iterator(void *_data
, u8
*mac
,
1587 struct ieee80211_vif
*vif
)
1589 struct iwl_mvm_mc_iter_data
*data
= _data
;
1590 struct iwl_mvm
*mvm
= data
->mvm
;
1591 struct iwl_mcast_filter_cmd
*cmd
= mvm
->mcast_filter_cmd
;
1594 /* if we don't have free ports, mcast frames will be dropped */
1595 if (WARN_ON_ONCE(data
->port_id
>= MAX_PORT_ID_NUM
))
1598 if (vif
->type
!= NL80211_IFTYPE_STATION
||
1599 !vif
->bss_conf
.assoc
)
1602 cmd
->port_id
= data
->port_id
++;
1603 memcpy(cmd
->bssid
, vif
->bss_conf
.bssid
, ETH_ALEN
);
1604 len
= roundup(sizeof(*cmd
) + cmd
->count
* ETH_ALEN
, 4);
1606 ret
= iwl_mvm_send_cmd_pdu(mvm
, MCAST_FILTER_CMD
, CMD_ASYNC
, len
, cmd
);
1608 IWL_ERR(mvm
, "mcast filter cmd error. ret=%d\n", ret
);
1611 static void iwl_mvm_recalc_multicast(struct iwl_mvm
*mvm
)
1613 struct iwl_mvm_mc_iter_data iter_data
= {
1617 lockdep_assert_held(&mvm
->mutex
);
1619 if (WARN_ON_ONCE(!mvm
->mcast_filter_cmd
))
1622 ieee80211_iterate_active_interfaces_atomic(
1623 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
1624 iwl_mvm_mc_iface_iterator
, &iter_data
);
1627 static u64
iwl_mvm_prepare_multicast(struct ieee80211_hw
*hw
,
1628 struct netdev_hw_addr_list
*mc_list
)
1630 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1631 struct iwl_mcast_filter_cmd
*cmd
;
1632 struct netdev_hw_addr
*addr
;
1637 addr_count
= netdev_hw_addr_list_count(mc_list
);
1638 pass_all
= addr_count
> MAX_MCAST_FILTERING_ADDRESSES
||
1639 IWL_MVM_FW_MCAST_FILTER_PASS_ALL
;
1643 len
= roundup(sizeof(*cmd
) + addr_count
* ETH_ALEN
, 4);
1644 cmd
= kzalloc(len
, GFP_ATOMIC
);
1650 return (u64
)(unsigned long)cmd
;
1653 netdev_hw_addr_list_for_each(addr
, mc_list
) {
1654 IWL_DEBUG_MAC80211(mvm
, "mcast addr (%d): %pM\n",
1655 cmd
->count
, addr
->addr
);
1656 memcpy(&cmd
->addr_list
[cmd
->count
* ETH_ALEN
],
1657 addr
->addr
, ETH_ALEN
);
1661 return (u64
)(unsigned long)cmd
;
1664 static void iwl_mvm_configure_filter(struct ieee80211_hw
*hw
,
1665 unsigned int changed_flags
,
1666 unsigned int *total_flags
,
1669 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1670 struct iwl_mcast_filter_cmd
*cmd
= (void *)(unsigned long)multicast
;
1672 mutex_lock(&mvm
->mutex
);
1674 /* replace previous configuration */
1675 kfree(mvm
->mcast_filter_cmd
);
1676 mvm
->mcast_filter_cmd
= cmd
;
1681 iwl_mvm_recalc_multicast(mvm
);
1683 mutex_unlock(&mvm
->mutex
);
1687 static void iwl_mvm_config_iface_filter(struct ieee80211_hw
*hw
,
1688 struct ieee80211_vif
*vif
,
1689 unsigned int filter_flags
,
1690 unsigned int changed_flags
)
1692 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1694 /* We support only filter for probe requests */
1695 if (!(changed_flags
& FIF_PROBE_REQ
))
1698 /* Supported only for p2p client interfaces */
1699 if (vif
->type
!= NL80211_IFTYPE_STATION
|| !vif
->bss_conf
.assoc
||
1703 mutex_lock(&mvm
->mutex
);
1704 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
1705 mutex_unlock(&mvm
->mutex
);
1708 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1709 struct iwl_bcast_iter_data
{
1710 struct iwl_mvm
*mvm
;
1711 struct iwl_bcast_filter_cmd
*cmd
;
1716 iwl_mvm_set_bcast_filter(struct ieee80211_vif
*vif
,
1717 const struct iwl_fw_bcast_filter
*in_filter
,
1718 struct iwl_fw_bcast_filter
*out_filter
)
1720 struct iwl_fw_bcast_filter_attr
*attr
;
1723 memcpy(out_filter
, in_filter
, sizeof(*out_filter
));
1725 for (i
= 0; i
< ARRAY_SIZE(out_filter
->attrs
); i
++) {
1726 attr
= &out_filter
->attrs
[i
];
1731 switch (attr
->reserved1
) {
1732 case cpu_to_le16(BC_FILTER_MAGIC_IP
):
1733 if (vif
->bss_conf
.arp_addr_cnt
!= 1) {
1738 attr
->val
= vif
->bss_conf
.arp_addr_list
[0];
1740 case cpu_to_le16(BC_FILTER_MAGIC_MAC
):
1741 attr
->val
= *(__be32
*)&vif
->addr
[2];
1746 attr
->reserved1
= 0;
1747 out_filter
->num_attrs
++;
1751 static void iwl_mvm_bcast_filter_iterator(void *_data
, u8
*mac
,
1752 struct ieee80211_vif
*vif
)
1754 struct iwl_bcast_iter_data
*data
= _data
;
1755 struct iwl_mvm
*mvm
= data
->mvm
;
1756 struct iwl_bcast_filter_cmd
*cmd
= data
->cmd
;
1757 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1758 struct iwl_fw_bcast_mac
*bcast_mac
;
1761 if (WARN_ON(mvmvif
->id
>= ARRAY_SIZE(cmd
->macs
)))
1764 bcast_mac
= &cmd
->macs
[mvmvif
->id
];
1767 * enable filtering only for associated stations, but not for P2P
1770 if (vif
->type
!= NL80211_IFTYPE_STATION
|| vif
->p2p
||
1771 !vif
->bss_conf
.assoc
)
1774 bcast_mac
->default_discard
= 1;
1776 /* copy all configured filters */
1777 for (i
= 0; mvm
->bcast_filters
[i
].attrs
[0].mask
; i
++) {
1779 * Make sure we don't exceed our filters limit.
1780 * if there is still a valid filter to be configured,
1781 * be on the safe side and just allow bcast for this mac.
1783 if (WARN_ON_ONCE(data
->current_filter
>=
1784 ARRAY_SIZE(cmd
->filters
))) {
1785 bcast_mac
->default_discard
= 0;
1786 bcast_mac
->attached_filters
= 0;
1790 iwl_mvm_set_bcast_filter(vif
,
1791 &mvm
->bcast_filters
[i
],
1792 &cmd
->filters
[data
->current_filter
]);
1794 /* skip current filter if it contains no attributes */
1795 if (!cmd
->filters
[data
->current_filter
].num_attrs
)
1798 /* attach the filter to current mac */
1799 bcast_mac
->attached_filters
|=
1800 cpu_to_le16(BIT(data
->current_filter
));
1802 data
->current_filter
++;
1806 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm
*mvm
,
1807 struct iwl_bcast_filter_cmd
*cmd
)
1809 struct iwl_bcast_iter_data iter_data
= {
1814 if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL
)
1817 memset(cmd
, 0, sizeof(*cmd
));
1818 cmd
->max_bcast_filters
= ARRAY_SIZE(cmd
->filters
);
1819 cmd
->max_macs
= ARRAY_SIZE(cmd
->macs
);
1821 #ifdef CONFIG_IWLWIFI_DEBUGFS
1822 /* use debugfs filters/macs if override is configured */
1823 if (mvm
->dbgfs_bcast_filtering
.override
) {
1824 memcpy(cmd
->filters
, &mvm
->dbgfs_bcast_filtering
.cmd
.filters
,
1825 sizeof(cmd
->filters
));
1826 memcpy(cmd
->macs
, &mvm
->dbgfs_bcast_filtering
.cmd
.macs
,
1832 /* if no filters are configured, do nothing */
1833 if (!mvm
->bcast_filters
)
1836 /* configure and attach these filters for each associated sta vif */
1837 ieee80211_iterate_active_interfaces(
1838 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
1839 iwl_mvm_bcast_filter_iterator
, &iter_data
);
1844 static int iwl_mvm_configure_bcast_filter(struct iwl_mvm
*mvm
)
1846 struct iwl_bcast_filter_cmd cmd
;
1848 if (!(mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_BCAST_FILTERING
))
1851 if (!iwl_mvm_bcast_filter_build_cmd(mvm
, &cmd
))
1854 return iwl_mvm_send_cmd_pdu(mvm
, BCAST_FILTER_CMD
, 0,
1858 static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm
*mvm
)
1864 static int iwl_mvm_update_mu_groups(struct iwl_mvm
*mvm
,
1865 struct ieee80211_vif
*vif
)
1867 struct iwl_mu_group_mgmt_cmd cmd
= {};
1869 memcpy(cmd
.membership_status
, vif
->bss_conf
.mu_group
.membership
,
1870 WLAN_MEMBERSHIP_LEN
);
1871 memcpy(cmd
.user_position
, vif
->bss_conf
.mu_group
.position
,
1872 WLAN_USER_POSITION_LEN
);
1874 return iwl_mvm_send_cmd_pdu(mvm
,
1875 WIDE_ID(DATA_PATH_GROUP
,
1876 UPDATE_MU_GROUPS_CMD
),
1877 0, sizeof(cmd
), &cmd
);
1880 static void iwl_mvm_mu_mimo_iface_iterator(void *_data
, u8
*mac
,
1881 struct ieee80211_vif
*vif
)
1883 if (vif
->mu_mimo_owner
) {
1884 struct iwl_mu_group_mgmt_notif
*notif
= _data
;
1887 * MU-MIMO Group Id action frame is little endian. We treat
1888 * the data received from firmware as if it came from the
1889 * action frame, so no conversion is needed.
1891 ieee80211_update_mu_groups(vif
,
1892 (u8
*)¬if
->membership_status
,
1893 (u8
*)¬if
->user_position
);
1897 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm
*mvm
,
1898 struct iwl_rx_cmd_buffer
*rxb
)
1900 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
1901 struct iwl_mu_group_mgmt_notif
*notif
= (void *)pkt
->data
;
1903 ieee80211_iterate_active_interfaces_atomic(
1904 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
1905 iwl_mvm_mu_mimo_iface_iterator
, notif
);
1908 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm
*mvm
,
1909 struct ieee80211_vif
*vif
,
1910 struct ieee80211_bss_conf
*bss_conf
,
1913 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1917 * Re-calculate the tsf id, as the master-slave relations depend on the
1918 * beacon interval, which was not known when the station interface was
1921 if (changes
& BSS_CHANGED_ASSOC
&& bss_conf
->assoc
)
1922 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm
, vif
);
1924 if (changes
& BSS_CHANGED_ASSOC
&& !bss_conf
->assoc
&&
1926 iwl_mvm_send_lqm_cmd(vif
, LQM_CMD_OPERATION_STOP_MEASUREMENT
,
1930 * If we're not associated yet, take the (new) BSSID before associating
1931 * so the firmware knows. If we're already associated, then use the old
1932 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC
1933 * branch for disassociation below.
1935 if (changes
& BSS_CHANGED_BSSID
&& !mvmvif
->associated
)
1936 memcpy(mvmvif
->bssid
, bss_conf
->bssid
, ETH_ALEN
);
1938 ret
= iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, mvmvif
->bssid
);
1940 IWL_ERR(mvm
, "failed to update MAC %pM\n", vif
->addr
);
1942 /* after sending it once, adopt mac80211 data */
1943 memcpy(mvmvif
->bssid
, bss_conf
->bssid
, ETH_ALEN
);
1944 mvmvif
->associated
= bss_conf
->assoc
;
1946 if (changes
& BSS_CHANGED_ASSOC
) {
1947 if (bss_conf
->assoc
) {
1948 /* clear statistics to get clean beacon counter */
1949 iwl_mvm_request_statistics(mvm
, true);
1950 memset(&mvmvif
->beacon_stats
, 0,
1951 sizeof(mvmvif
->beacon_stats
));
1953 /* add quota for this interface */
1954 ret
= iwl_mvm_update_quotas(mvm
, true, NULL
);
1956 IWL_ERR(mvm
, "failed to update quotas\n");
1960 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
,
1963 * If we're restarting then the firmware will
1964 * obviously have lost synchronisation with
1965 * the AP. It will attempt to synchronise by
1966 * itself, but we can make it more reliable by
1967 * scheduling a session protection time event.
1969 * The firmware needs to receive a beacon to
1970 * catch up with synchronisation, use 110% of
1971 * the beacon interval.
1973 * Set a large maximum delay to allow for more
1974 * than a single interface.
1976 u32 dur
= (11 * vif
->bss_conf
.beacon_int
) / 10;
1977 iwl_mvm_protect_session(mvm
, vif
, dur
, dur
,
1981 iwl_mvm_sf_update(mvm
, vif
, false);
1982 iwl_mvm_power_vif_assoc(mvm
, vif
);
1984 iwl_mvm_ref(mvm
, IWL_MVM_REF_P2P_CLIENT
);
1985 iwl_mvm_update_smps(mvm
, vif
,
1986 IWL_MVM_SMPS_REQ_PROT
,
1987 IEEE80211_SMPS_DYNAMIC
);
1989 } else if (mvmvif
->ap_sta_id
!= IWL_MVM_INVALID_STA
) {
1991 * If update fails - SF might be running in associated
1992 * mode while disassociated - which is forbidden.
1994 WARN_ONCE(iwl_mvm_sf_update(mvm
, vif
, false),
1995 "Failed to update SF upon disassociation\n");
1998 * If we get an assert during the connection (after the
1999 * station has been added, but before the vif is set
2000 * to associated), mac80211 will re-add the station and
2001 * then configure the vif. Since the vif is not
2002 * associated, we would remove the station here and
2003 * this would fail the recovery.
2005 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART
,
2008 * Remove AP station now that
2009 * the MAC is unassoc
2011 ret
= iwl_mvm_rm_sta_id(mvm
, vif
,
2015 "failed to remove AP station\n");
2017 if (mvm
->d0i3_ap_sta_id
== mvmvif
->ap_sta_id
)
2018 mvm
->d0i3_ap_sta_id
=
2019 IWL_MVM_INVALID_STA
;
2020 mvmvif
->ap_sta_id
= IWL_MVM_INVALID_STA
;
2023 /* remove quota for this interface */
2024 ret
= iwl_mvm_update_quotas(mvm
, false, NULL
);
2026 IWL_ERR(mvm
, "failed to update quotas\n");
2029 iwl_mvm_unref(mvm
, IWL_MVM_REF_P2P_CLIENT
);
2031 /* this will take the cleared BSSID from bss_conf */
2032 ret
= iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
2035 "failed to update MAC %pM (clear after unassoc)\n",
2040 * The firmware tracks the MU-MIMO group on its own.
2041 * However, on HW restart we should restore this data.
2043 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
) &&
2044 (changes
& BSS_CHANGED_MU_GROUPS
) && vif
->mu_mimo_owner
) {
2045 ret
= iwl_mvm_update_mu_groups(mvm
, vif
);
2048 "failed to update VHT MU_MIMO groups\n");
2051 iwl_mvm_recalc_multicast(mvm
);
2052 iwl_mvm_configure_bcast_filter(mvm
);
2054 /* reset rssi values */
2055 mvmvif
->bf_data
.ave_beacon_signal
= 0;
2057 iwl_mvm_bt_coex_vif_change(mvm
);
2058 iwl_mvm_update_smps(mvm
, vif
, IWL_MVM_SMPS_REQ_TT
,
2059 IEEE80211_SMPS_AUTOMATIC
);
2060 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
2061 IWL_UCODE_TLV_CAPA_UMAC_SCAN
))
2062 iwl_mvm_config_scan(mvm
);
2065 if (changes
& BSS_CHANGED_BEACON_INFO
) {
2067 * We received a beacon from the associated AP so
2068 * remove the session protection.
2070 iwl_mvm_remove_time_event(mvm
, mvmvif
,
2071 &mvmvif
->time_event_data
);
2073 iwl_mvm_sf_update(mvm
, vif
, false);
2074 WARN_ON(iwl_mvm_enable_beacon_filter(mvm
, vif
, 0));
2077 if (changes
& (BSS_CHANGED_PS
| BSS_CHANGED_P2P_PS
| BSS_CHANGED_QOS
|
2079 * Send power command on every beacon change,
2080 * because we may have not enabled beacon abort yet.
2082 BSS_CHANGED_BEACON_INFO
)) {
2083 ret
= iwl_mvm_power_update_mac(mvm
);
2085 IWL_ERR(mvm
, "failed to update power mode\n");
2088 if (changes
& BSS_CHANGED_TXPOWER
) {
2089 IWL_DEBUG_CALIB(mvm
, "Changing TX Power to %d\n",
2091 iwl_mvm_set_tx_power(mvm
, vif
, bss_conf
->txpower
);
2094 if (changes
& BSS_CHANGED_CQM
) {
2095 IWL_DEBUG_MAC80211(mvm
, "cqm info_changed\n");
2096 /* reset cqm events tracking */
2097 mvmvif
->bf_data
.last_cqm_event
= 0;
2098 if (mvmvif
->bf_data
.bf_enabled
) {
2099 ret
= iwl_mvm_enable_beacon_filter(mvm
, vif
, 0);
2102 "failed to update CQM thresholds\n");
2106 if (changes
& BSS_CHANGED_ARP_FILTER
) {
2107 IWL_DEBUG_MAC80211(mvm
, "arp filter changed\n");
2108 iwl_mvm_configure_bcast_filter(mvm
);
2112 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw
*hw
,
2113 struct ieee80211_vif
*vif
)
2115 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2116 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2120 * iwl_mvm_mac_ctxt_add() might read directly from the device
2121 * (the system time), so make sure it is available.
2123 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_START_AP
);
2127 mutex_lock(&mvm
->mutex
);
2129 /* Send the beacon template */
2130 ret
= iwl_mvm_mac_ctxt_beacon_changed(mvm
, vif
);
2135 * Re-calculate the tsf id, as the master-slave relations depend on the
2136 * beacon interval, which was not known when the AP interface was added.
2138 if (vif
->type
== NL80211_IFTYPE_AP
)
2139 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm
, vif
);
2141 mvmvif
->ap_assoc_sta_count
= 0;
2143 /* Add the mac context */
2144 ret
= iwl_mvm_mac_ctxt_add(mvm
, vif
);
2148 /* Perform the binding */
2149 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
2153 ret
= iwl_mvm_add_mcast_sta(mvm
, vif
);
2157 /* Send the bcast station. At this stage the TBTT and DTIM time events
2158 * are added and applied to the scheduler */
2159 ret
= iwl_mvm_send_add_bcast_sta(mvm
, vif
);
2163 /* must be set before quota calculations */
2164 mvmvif
->ap_ibss_active
= true;
2166 /* power updated needs to be done before quotas */
2167 iwl_mvm_power_update_mac(mvm
);
2169 ret
= iwl_mvm_update_quotas(mvm
, false, NULL
);
2171 goto out_quota_failed
;
2173 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
2174 if (vif
->p2p
&& mvm
->p2p_device_vif
)
2175 iwl_mvm_mac_ctxt_changed(mvm
, mvm
->p2p_device_vif
, false, NULL
);
2177 iwl_mvm_ref(mvm
, IWL_MVM_REF_AP_IBSS
);
2179 iwl_mvm_bt_coex_vif_change(mvm
);
2181 /* we don't support TDLS during DCM */
2182 if (iwl_mvm_phy_ctx_count(mvm
) > 1)
2183 iwl_mvm_teardown_tdls_peers(mvm
);
2188 iwl_mvm_power_update_mac(mvm
);
2189 mvmvif
->ap_ibss_active
= false;
2190 iwl_mvm_send_rm_bcast_sta(mvm
, vif
);
2192 iwl_mvm_rm_mcast_sta(mvm
, vif
);
2194 iwl_mvm_binding_remove_vif(mvm
, vif
);
2196 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
2198 mutex_unlock(&mvm
->mutex
);
2199 iwl_mvm_unref(mvm
, IWL_MVM_REF_START_AP
);
2203 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw
*hw
,
2204 struct ieee80211_vif
*vif
)
2206 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2207 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2209 iwl_mvm_prepare_mac_removal(mvm
, vif
);
2211 mutex_lock(&mvm
->mutex
);
2213 /* Handle AP stop while in CSA */
2214 if (rcu_access_pointer(mvm
->csa_vif
) == vif
) {
2215 iwl_mvm_remove_time_event(mvm
, mvmvif
,
2216 &mvmvif
->time_event_data
);
2217 RCU_INIT_POINTER(mvm
->csa_vif
, NULL
);
2218 mvmvif
->csa_countdown
= false;
2221 if (rcu_access_pointer(mvm
->csa_tx_blocked_vif
) == vif
) {
2222 RCU_INIT_POINTER(mvm
->csa_tx_blocked_vif
, NULL
);
2223 mvm
->csa_tx_block_bcn_timeout
= 0;
2226 mvmvif
->ap_ibss_active
= false;
2227 mvm
->ap_last_beacon_gp2
= 0;
2229 iwl_mvm_bt_coex_vif_change(mvm
);
2231 iwl_mvm_unref(mvm
, IWL_MVM_REF_AP_IBSS
);
2233 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
2234 if (vif
->p2p
&& mvm
->p2p_device_vif
)
2235 iwl_mvm_mac_ctxt_changed(mvm
, mvm
->p2p_device_vif
, false, NULL
);
2237 iwl_mvm_update_quotas(mvm
, false, NULL
);
2240 * This is not very nice, but the simplest:
2241 * For older FWs removing the mcast sta before the bcast station may
2242 * cause assert 0x2b00.
2243 * This is fixed in later FW (which will stop beaconing when removing
2245 * So make the order of removal depend on the TLV
2247 if (!fw_has_api(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_API_STA_TYPE
))
2248 iwl_mvm_rm_mcast_sta(mvm
, vif
);
2249 iwl_mvm_send_rm_bcast_sta(mvm
, vif
);
2250 if (fw_has_api(&mvm
->fw
->ucode_capa
, IWL_UCODE_TLV_API_STA_TYPE
))
2251 iwl_mvm_rm_mcast_sta(mvm
, vif
);
2252 iwl_mvm_binding_remove_vif(mvm
, vif
);
2254 iwl_mvm_power_update_mac(mvm
);
2256 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
2258 mutex_unlock(&mvm
->mutex
);
2262 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm
*mvm
,
2263 struct ieee80211_vif
*vif
,
2264 struct ieee80211_bss_conf
*bss_conf
,
2267 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2269 /* Changes will be applied when the AP/IBSS is started */
2270 if (!mvmvif
->ap_ibss_active
)
2273 if (changes
& (BSS_CHANGED_ERP_CTS_PROT
| BSS_CHANGED_HT
|
2274 BSS_CHANGED_BANDWIDTH
| BSS_CHANGED_QOS
) &&
2275 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
))
2276 IWL_ERR(mvm
, "failed to update MAC %pM\n", vif
->addr
);
2278 /* Need to send a new beacon template to the FW */
2279 if (changes
& BSS_CHANGED_BEACON
&&
2280 iwl_mvm_mac_ctxt_beacon_changed(mvm
, vif
))
2281 IWL_WARN(mvm
, "Failed updating beacon data\n");
2283 if (changes
& BSS_CHANGED_TXPOWER
) {
2284 IWL_DEBUG_CALIB(mvm
, "Changing TX Power to %d\n",
2286 iwl_mvm_set_tx_power(mvm
, vif
, bss_conf
->txpower
);
2290 static void iwl_mvm_bss_info_changed(struct ieee80211_hw
*hw
,
2291 struct ieee80211_vif
*vif
,
2292 struct ieee80211_bss_conf
*bss_conf
,
2295 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2298 * iwl_mvm_bss_info_changed_station() might call
2299 * iwl_mvm_protect_session(), which reads directly from
2300 * the device (the system time), so make sure it is available.
2302 if (iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_BSS_CHANGED
))
2305 mutex_lock(&mvm
->mutex
);
2307 if (changes
& BSS_CHANGED_IDLE
&& !bss_conf
->idle
)
2308 iwl_mvm_scan_stop(mvm
, IWL_MVM_SCAN_SCHED
, true);
2310 switch (vif
->type
) {
2311 case NL80211_IFTYPE_STATION
:
2312 iwl_mvm_bss_info_changed_station(mvm
, vif
, bss_conf
, changes
);
2314 case NL80211_IFTYPE_AP
:
2315 case NL80211_IFTYPE_ADHOC
:
2316 iwl_mvm_bss_info_changed_ap_ibss(mvm
, vif
, bss_conf
, changes
);
2318 case NL80211_IFTYPE_MONITOR
:
2319 if (changes
& BSS_CHANGED_MU_GROUPS
)
2320 iwl_mvm_update_mu_groups(mvm
, vif
);
2323 /* shouldn't happen */
2327 mutex_unlock(&mvm
->mutex
);
2328 iwl_mvm_unref(mvm
, IWL_MVM_REF_BSS_CHANGED
);
2331 static int iwl_mvm_mac_hw_scan(struct ieee80211_hw
*hw
,
2332 struct ieee80211_vif
*vif
,
2333 struct ieee80211_scan_request
*hw_req
)
2335 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2338 if (hw_req
->req
.n_channels
== 0 ||
2339 hw_req
->req
.n_channels
> mvm
->fw
->ucode_capa
.n_scan_channels
)
2342 mutex_lock(&mvm
->mutex
);
2343 ret
= iwl_mvm_reg_scan_start(mvm
, vif
, &hw_req
->req
, &hw_req
->ies
);
2344 mutex_unlock(&mvm
->mutex
);
2349 static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw
*hw
,
2350 struct ieee80211_vif
*vif
)
2352 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2354 mutex_lock(&mvm
->mutex
);
2356 /* Due to a race condition, it's possible that mac80211 asks
2357 * us to stop a hw_scan when it's already stopped. This can
2358 * happen, for instance, if we stopped the scan ourselves,
2359 * called ieee80211_scan_completed() and the userspace called
2360 * cancel scan scan before ieee80211_scan_work() could run.
2361 * To handle that, simply return if the scan is not running.
2363 if (mvm
->scan_status
& IWL_MVM_SCAN_REGULAR
)
2364 iwl_mvm_scan_stop(mvm
, IWL_MVM_SCAN_REGULAR
, true);
2366 mutex_unlock(&mvm
->mutex
);
2370 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw
*hw
,
2371 struct ieee80211_sta
*sta
, u16 tids
,
2373 enum ieee80211_frame_release_type reason
,
2376 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2378 /* Called when we need to transmit (a) frame(s) from mac80211 */
2380 iwl_mvm_sta_modify_sleep_tx_count(mvm
, sta
, reason
, num_frames
,
2381 tids
, more_data
, false);
2385 iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw
*hw
,
2386 struct ieee80211_sta
*sta
, u16 tids
,
2388 enum ieee80211_frame_release_type reason
,
2391 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2393 /* Called when we need to transmit (a) frame(s) from agg or dqa queue */
2395 iwl_mvm_sta_modify_sleep_tx_count(mvm
, sta
, reason
, num_frames
,
2396 tids
, more_data
, true);
2399 static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw
*hw
,
2400 enum sta_notify_cmd cmd
,
2401 struct ieee80211_sta
*sta
)
2403 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2404 struct iwl_mvm_sta
*mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
2405 unsigned long txqs
= 0, tids
= 0;
2408 spin_lock_bh(&mvmsta
->lock
);
2409 for (tid
= 0; tid
< IWL_MAX_TID_COUNT
; tid
++) {
2410 struct iwl_mvm_tid_data
*tid_data
= &mvmsta
->tid_data
[tid
];
2412 if (!iwl_mvm_is_dqa_supported(mvm
) &&
2413 tid_data
->state
!= IWL_AGG_ON
&&
2414 tid_data
->state
!= IWL_EMPTYING_HW_QUEUE_DELBA
)
2417 if (tid_data
->txq_id
== IWL_MVM_INVALID_QUEUE
)
2420 __set_bit(tid_data
->txq_id
, &txqs
);
2422 if (iwl_mvm_tid_queued(mvm
, tid_data
) == 0)
2425 __set_bit(tid
, &tids
);
2429 case STA_NOTIFY_SLEEP
:
2430 if (atomic_read(&mvm
->pending_frames
[mvmsta
->sta_id
]) > 0)
2431 ieee80211_sta_block_awake(hw
, sta
, true);
2433 for_each_set_bit(tid
, &tids
, IWL_MAX_TID_COUNT
)
2434 ieee80211_sta_set_buffered(sta
, tid
, true);
2437 iwl_trans_freeze_txq_timer(mvm
->trans
, txqs
, true);
2439 * The fw updates the STA to be asleep. Tx packets on the Tx
2440 * queues to this station will not be transmitted. The fw will
2441 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
2444 case STA_NOTIFY_AWAKE
:
2445 if (WARN_ON(mvmsta
->sta_id
== IWL_MVM_INVALID_STA
))
2449 iwl_trans_freeze_txq_timer(mvm
->trans
, txqs
, false);
2450 iwl_mvm_sta_modify_ps_wake(mvm
, sta
);
2455 spin_unlock_bh(&mvmsta
->lock
);
2458 static void iwl_mvm_mac_sta_notify(struct ieee80211_hw
*hw
,
2459 struct ieee80211_vif
*vif
,
2460 enum sta_notify_cmd cmd
,
2461 struct ieee80211_sta
*sta
)
2463 __iwl_mvm_mac_sta_notify(hw
, cmd
, sta
);
2466 void iwl_mvm_sta_pm_notif(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
)
2468 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
2469 struct iwl_mvm_pm_state_notification
*notif
= (void *)pkt
->data
;
2470 struct ieee80211_sta
*sta
;
2471 struct iwl_mvm_sta
*mvmsta
;
2472 bool sleeping
= (notif
->type
!= IWL_MVM_PM_EVENT_AWAKE
);
2474 if (WARN_ON(notif
->sta_id
>= ARRAY_SIZE(mvm
->fw_id_to_mac_id
)))
2478 sta
= rcu_dereference(mvm
->fw_id_to_mac_id
[notif
->sta_id
]);
2479 if (WARN_ON(IS_ERR_OR_NULL(sta
))) {
2484 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
2487 mvmsta
->vif
->type
!= NL80211_IFTYPE_AP
) {
2492 if (mvmsta
->sleeping
!= sleeping
) {
2493 mvmsta
->sleeping
= sleeping
;
2494 __iwl_mvm_mac_sta_notify(mvm
->hw
,
2495 sleeping
? STA_NOTIFY_SLEEP
: STA_NOTIFY_AWAKE
,
2497 ieee80211_sta_ps_transition(sta
, sleeping
);
2501 switch (notif
->type
) {
2502 case IWL_MVM_PM_EVENT_AWAKE
:
2503 case IWL_MVM_PM_EVENT_ASLEEP
:
2505 case IWL_MVM_PM_EVENT_UAPSD
:
2506 ieee80211_sta_uapsd_trigger(sta
, IEEE80211_NUM_TIDS
);
2508 case IWL_MVM_PM_EVENT_PS_POLL
:
2509 ieee80211_sta_pspoll(sta
);
2519 static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw
*hw
,
2520 struct ieee80211_vif
*vif
,
2521 struct ieee80211_sta
*sta
)
2523 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2524 struct iwl_mvm_sta
*mvm_sta
= iwl_mvm_sta_from_mac80211(sta
);
2527 * This is called before mac80211 does RCU synchronisation,
2528 * so here we already invalidate our internal RCU-protected
2529 * station pointer. The rest of the code will thus no longer
2530 * be able to find the station this way, and we don't rely
2531 * on further RCU synchronisation after the sta_state()
2532 * callback deleted the station.
2534 mutex_lock(&mvm
->mutex
);
2535 if (sta
== rcu_access_pointer(mvm
->fw_id_to_mac_id
[mvm_sta
->sta_id
]))
2536 rcu_assign_pointer(mvm
->fw_id_to_mac_id
[mvm_sta
->sta_id
],
2539 mutex_unlock(&mvm
->mutex
);
2542 static void iwl_mvm_check_uapsd(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
2545 if (!(mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT
))
2548 if (vif
->p2p
&& !iwl_mvm_is_p2p_scm_uapsd_supported(mvm
)) {
2549 vif
->driver_flags
&= ~IEEE80211_VIF_SUPPORTS_UAPSD
;
2554 (iwlwifi_mod_params
.uapsd_disable
& IWL_DISABLE_UAPSD_BSS
)) {
2555 vif
->driver_flags
&= ~IEEE80211_VIF_SUPPORTS_UAPSD
;
2559 vif
->driver_flags
|= IEEE80211_VIF_SUPPORTS_UAPSD
;
2563 iwl_mvm_tdls_check_trigger(struct iwl_mvm
*mvm
,
2564 struct ieee80211_vif
*vif
, u8
*peer_addr
,
2565 enum nl80211_tdls_operation action
)
2567 struct iwl_fw_dbg_trigger_tlv
*trig
;
2568 struct iwl_fw_dbg_trigger_tdls
*tdls_trig
;
2570 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_TDLS
))
2573 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_TDLS
);
2574 tdls_trig
= (void *)trig
->data
;
2575 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
2578 if (!(tdls_trig
->action_bitmap
& BIT(action
)))
2581 if (tdls_trig
->peer_mode
&&
2582 memcmp(tdls_trig
->peer
, peer_addr
, ETH_ALEN
) != 0)
2585 iwl_mvm_fw_dbg_collect_trig(mvm
, trig
,
2586 "TDLS event occurred, peer %pM, action %d",
2590 static void iwl_mvm_purge_deferred_tx_frames(struct iwl_mvm
*mvm
,
2591 struct iwl_mvm_sta
*mvm_sta
)
2593 struct iwl_mvm_tid_data
*tid_data
;
2594 struct sk_buff
*skb
;
2597 spin_lock_bh(&mvm_sta
->lock
);
2598 for (i
= 0; i
<= IWL_MAX_TID_COUNT
; i
++) {
2599 tid_data
= &mvm_sta
->tid_data
[i
];
2600 while ((skb
= __skb_dequeue(&tid_data
->deferred_tx_frames
)))
2601 ieee80211_free_txskb(mvm
->hw
, skb
);
2603 spin_unlock_bh(&mvm_sta
->lock
);
2606 static int iwl_mvm_mac_sta_state(struct ieee80211_hw
*hw
,
2607 struct ieee80211_vif
*vif
,
2608 struct ieee80211_sta
*sta
,
2609 enum ieee80211_sta_state old_state
,
2610 enum ieee80211_sta_state new_state
)
2612 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2613 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2614 struct iwl_mvm_sta
*mvm_sta
= iwl_mvm_sta_from_mac80211(sta
);
2617 IWL_DEBUG_MAC80211(mvm
, "station %pM state change %d->%d\n",
2618 sta
->addr
, old_state
, new_state
);
2620 /* this would be a mac80211 bug ... but don't crash */
2621 if (WARN_ON_ONCE(!mvmvif
->phy_ctxt
))
2624 /* if a STA is being removed, reuse its ID */
2625 flush_work(&mvm
->sta_drained_wk
);
2628 * If we are in a STA removal flow and in DQA mode:
2630 * This is after the sync_rcu part, so the queues have already been
2631 * flushed. No more TXs on their way in mac80211's path, and no more in
2633 * Also, we won't be getting any new TX frames for this station.
2634 * What we might have are deferred TX frames that need to be taken care
2637 * Drop any still-queued deferred-frame before removing the STA, and
2638 * make sure the worker is no longer handling frames for this STA.
2640 if (old_state
== IEEE80211_STA_NONE
&&
2641 new_state
== IEEE80211_STA_NOTEXIST
&&
2642 iwl_mvm_is_dqa_supported(mvm
)) {
2643 iwl_mvm_purge_deferred_tx_frames(mvm
, mvm_sta
);
2644 flush_work(&mvm
->add_stream_wk
);
2647 * No need to make sure deferred TX indication is off since the
2648 * worker will already remove it if it was on
2652 mutex_lock(&mvm
->mutex
);
2653 /* track whether or not the station is associated */
2654 mvm_sta
->associated
= new_state
>= IEEE80211_STA_ASSOC
;
2656 if (old_state
== IEEE80211_STA_NOTEXIST
&&
2657 new_state
== IEEE80211_STA_NONE
) {
2659 * Firmware bug - it'll crash if the beacon interval is less
2660 * than 16. We can't avoid connecting at all, so refuse the
2661 * station state change, this will cause mac80211 to abandon
2662 * attempts to connect to this AP, and eventually wpa_s will
2663 * blacklist the AP...
2665 if (vif
->type
== NL80211_IFTYPE_STATION
&&
2666 vif
->bss_conf
.beacon_int
< 16) {
2668 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
2669 sta
->addr
, vif
->bss_conf
.beacon_int
);
2676 iwl_mvm_tdls_sta_count(mvm
, NULL
) ==
2677 IWL_MVM_TDLS_STA_COUNT
||
2678 iwl_mvm_phy_ctx_count(mvm
) > 1)) {
2679 IWL_DEBUG_MAC80211(mvm
, "refusing TDLS sta\n");
2684 ret
= iwl_mvm_add_sta(mvm
, vif
, sta
);
2685 if (sta
->tdls
&& ret
== 0) {
2686 iwl_mvm_recalc_tdls_state(mvm
, vif
, true);
2687 iwl_mvm_tdls_check_trigger(mvm
, vif
, sta
->addr
,
2688 NL80211_TDLS_SETUP
);
2690 } else if (old_state
== IEEE80211_STA_NONE
&&
2691 new_state
== IEEE80211_STA_AUTH
) {
2693 * EBS may be disabled due to previous failures reported by FW.
2694 * Reset EBS status here assuming environment has been changed.
2696 mvm
->last_ebs_successful
= true;
2697 iwl_mvm_check_uapsd(mvm
, vif
, sta
->addr
);
2699 } else if (old_state
== IEEE80211_STA_AUTH
&&
2700 new_state
== IEEE80211_STA_ASSOC
) {
2701 if (vif
->type
== NL80211_IFTYPE_AP
) {
2702 mvmvif
->ap_assoc_sta_count
++;
2703 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
2706 iwl_mvm_rs_rate_init(mvm
, sta
, mvmvif
->phy_ctxt
->channel
->band
,
2708 ret
= iwl_mvm_update_sta(mvm
, vif
, sta
);
2709 } else if (old_state
== IEEE80211_STA_ASSOC
&&
2710 new_state
== IEEE80211_STA_AUTHORIZED
) {
2712 /* we don't support TDLS during DCM */
2713 if (iwl_mvm_phy_ctx_count(mvm
) > 1)
2714 iwl_mvm_teardown_tdls_peers(mvm
);
2717 iwl_mvm_tdls_check_trigger(mvm
, vif
, sta
->addr
,
2718 NL80211_TDLS_ENABLE_LINK
);
2720 /* enable beacon filtering */
2721 WARN_ON(iwl_mvm_enable_beacon_filter(mvm
, vif
, 0));
2723 } else if (old_state
== IEEE80211_STA_AUTHORIZED
&&
2724 new_state
== IEEE80211_STA_ASSOC
) {
2725 /* disable beacon filtering */
2726 WARN_ON(iwl_mvm_disable_beacon_filter(mvm
, vif
, 0));
2728 } else if (old_state
== IEEE80211_STA_ASSOC
&&
2729 new_state
== IEEE80211_STA_AUTH
) {
2730 if (vif
->type
== NL80211_IFTYPE_AP
) {
2731 mvmvif
->ap_assoc_sta_count
--;
2732 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
2735 } else if (old_state
== IEEE80211_STA_AUTH
&&
2736 new_state
== IEEE80211_STA_NONE
) {
2738 } else if (old_state
== IEEE80211_STA_NONE
&&
2739 new_state
== IEEE80211_STA_NOTEXIST
) {
2740 ret
= iwl_mvm_rm_sta(mvm
, vif
, sta
);
2742 iwl_mvm_recalc_tdls_state(mvm
, vif
, false);
2743 iwl_mvm_tdls_check_trigger(mvm
, vif
, sta
->addr
,
2744 NL80211_TDLS_DISABLE_LINK
);
2750 mutex_unlock(&mvm
->mutex
);
2752 if (sta
->tdls
&& ret
== 0) {
2753 if (old_state
== IEEE80211_STA_NOTEXIST
&&
2754 new_state
== IEEE80211_STA_NONE
)
2755 ieee80211_reserve_tid(sta
, IWL_MVM_TDLS_FW_TID
);
2756 else if (old_state
== IEEE80211_STA_NONE
&&
2757 new_state
== IEEE80211_STA_NOTEXIST
)
2758 ieee80211_unreserve_tid(sta
, IWL_MVM_TDLS_FW_TID
);
2764 static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw
*hw
, u32 value
)
2766 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2768 mvm
->rts_threshold
= value
;
2773 static void iwl_mvm_sta_rc_update(struct ieee80211_hw
*hw
,
2774 struct ieee80211_vif
*vif
,
2775 struct ieee80211_sta
*sta
, u32 changed
)
2777 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2779 if (vif
->type
== NL80211_IFTYPE_STATION
&&
2780 changed
& IEEE80211_RC_NSS_CHANGED
)
2781 iwl_mvm_sf_update(mvm
, vif
, false);
2784 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw
*hw
,
2785 struct ieee80211_vif
*vif
, u16 ac
,
2786 const struct ieee80211_tx_queue_params
*params
)
2788 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2789 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2791 mvmvif
->queue_params
[ac
] = *params
;
2794 * No need to update right away, we'll get BSS_CHANGED_QOS
2795 * The exception is P2P_DEVICE interface which needs immediate update.
2797 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
2800 mutex_lock(&mvm
->mutex
);
2801 ret
= iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
2802 mutex_unlock(&mvm
->mutex
);
2808 static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw
*hw
,
2809 struct ieee80211_vif
*vif
)
2811 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2812 u32 duration
= IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS
;
2813 u32 min_duration
= IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS
;
2815 if (WARN_ON_ONCE(vif
->bss_conf
.assoc
))
2819 * iwl_mvm_protect_session() reads directly from the device
2820 * (the system time), so make sure it is available.
2822 if (iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_PREPARE_TX
))
2825 mutex_lock(&mvm
->mutex
);
2826 /* Try really hard to protect the session and hear a beacon */
2827 iwl_mvm_protect_session(mvm
, vif
, duration
, min_duration
, 500, false);
2828 mutex_unlock(&mvm
->mutex
);
2830 iwl_mvm_unref(mvm
, IWL_MVM_REF_PREPARE_TX
);
2833 static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw
*hw
,
2834 struct ieee80211_vif
*vif
,
2835 struct cfg80211_sched_scan_request
*req
,
2836 struct ieee80211_scan_ies
*ies
)
2838 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2842 mutex_lock(&mvm
->mutex
);
2844 if (!vif
->bss_conf
.idle
) {
2849 ret
= iwl_mvm_sched_scan_start(mvm
, vif
, req
, ies
, IWL_MVM_SCAN_SCHED
);
2852 mutex_unlock(&mvm
->mutex
);
2856 static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw
*hw
,
2857 struct ieee80211_vif
*vif
)
2859 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2862 mutex_lock(&mvm
->mutex
);
2864 /* Due to a race condition, it's possible that mac80211 asks
2865 * us to stop a sched_scan when it's already stopped. This
2866 * can happen, for instance, if we stopped the scan ourselves,
2867 * called ieee80211_sched_scan_stopped() and the userspace called
2868 * stop sched scan scan before ieee80211_sched_scan_stopped_work()
2869 * could run. To handle this, simply return if the scan is
2872 if (!(mvm
->scan_status
& IWL_MVM_SCAN_SCHED
)) {
2873 mutex_unlock(&mvm
->mutex
);
2877 ret
= iwl_mvm_scan_stop(mvm
, IWL_MVM_SCAN_SCHED
, false);
2878 mutex_unlock(&mvm
->mutex
);
2879 iwl_mvm_wait_for_async_handlers(mvm
);
2884 static int iwl_mvm_mac_set_key(struct ieee80211_hw
*hw
,
2885 enum set_key_cmd cmd
,
2886 struct ieee80211_vif
*vif
,
2887 struct ieee80211_sta
*sta
,
2888 struct ieee80211_key_conf
*key
)
2890 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2891 struct iwl_mvm_sta
*mvmsta
;
2892 struct iwl_mvm_key_pn
*ptk_pn
;
2893 int keyidx
= key
->keyidx
;
2897 if (iwlwifi_mod_params
.swcrypto
) {
2898 IWL_DEBUG_MAC80211(mvm
, "leave - hwcrypto disabled\n");
2902 switch (key
->cipher
) {
2903 case WLAN_CIPHER_SUITE_TKIP
:
2904 key
->flags
|= IEEE80211_KEY_FLAG_GENERATE_MMIC
;
2905 key
->flags
|= IEEE80211_KEY_FLAG_PUT_IV_SPACE
;
2907 case WLAN_CIPHER_SUITE_CCMP
:
2908 case WLAN_CIPHER_SUITE_GCMP
:
2909 case WLAN_CIPHER_SUITE_GCMP_256
:
2910 if (!iwl_mvm_has_new_tx_api(mvm
))
2911 key
->flags
|= IEEE80211_KEY_FLAG_PUT_IV_SPACE
;
2913 case WLAN_CIPHER_SUITE_AES_CMAC
:
2914 case WLAN_CIPHER_SUITE_BIP_GMAC_128
:
2915 case WLAN_CIPHER_SUITE_BIP_GMAC_256
:
2916 WARN_ON_ONCE(!ieee80211_hw_check(hw
, MFP_CAPABLE
));
2918 case WLAN_CIPHER_SUITE_WEP40
:
2919 case WLAN_CIPHER_SUITE_WEP104
:
2920 /* For non-client mode, only use WEP keys for TX as we probably
2921 * don't have a station yet anyway and would then have to keep
2922 * track of the keys, linking them to each of the clients/peers
2923 * as they appear. For now, don't do that, for performance WEP
2924 * offload doesn't really matter much, but we need it for some
2925 * other offload features in client mode.
2927 if (vif
->type
!= NL80211_IFTYPE_STATION
)
2931 /* currently FW supports only one optional cipher scheme */
2932 if (hw
->n_cipher_schemes
&&
2933 hw
->cipher_schemes
->cipher
== key
->cipher
)
2934 key
->flags
|= IEEE80211_KEY_FLAG_PUT_IV_SPACE
;
2939 mutex_lock(&mvm
->mutex
);
2943 if ((vif
->type
== NL80211_IFTYPE_ADHOC
||
2944 vif
->type
== NL80211_IFTYPE_AP
) && !sta
) {
2946 * GTK on AP interface is a TX-only key, return 0;
2947 * on IBSS they're per-station and because we're lazy
2948 * we don't support them for RX, so do the same.
2949 * CMAC/GMAC in AP/IBSS modes must be done in software.
2951 if (key
->cipher
== WLAN_CIPHER_SUITE_AES_CMAC
||
2952 key
->cipher
== WLAN_CIPHER_SUITE_BIP_GMAC_128
||
2953 key
->cipher
== WLAN_CIPHER_SUITE_BIP_GMAC_256
)
2958 if (key
->cipher
!= WLAN_CIPHER_SUITE_GCMP
&&
2959 key
->cipher
!= WLAN_CIPHER_SUITE_GCMP_256
&&
2960 !iwl_mvm_has_new_tx_api(mvm
)) {
2961 key
->hw_key_idx
= STA_KEY_IDX_INVALID
;
2966 /* During FW restart, in order to restore the state as it was,
2967 * don't try to reprogram keys we previously failed for.
2969 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
) &&
2970 key
->hw_key_idx
== STA_KEY_IDX_INVALID
) {
2971 IWL_DEBUG_MAC80211(mvm
,
2972 "skip invalid idx key programming during restart\n");
2977 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
) &&
2978 sta
&& iwl_mvm_has_new_rx_api(mvm
) &&
2979 key
->flags
& IEEE80211_KEY_FLAG_PAIRWISE
&&
2980 (key
->cipher
== WLAN_CIPHER_SUITE_CCMP
||
2981 key
->cipher
== WLAN_CIPHER_SUITE_GCMP
||
2982 key
->cipher
== WLAN_CIPHER_SUITE_GCMP_256
)) {
2983 struct ieee80211_key_seq seq
;
2986 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
2987 WARN_ON(rcu_access_pointer(mvmsta
->ptk_pn
[keyidx
]));
2988 ptk_pn
= kzalloc(sizeof(*ptk_pn
) +
2989 mvm
->trans
->num_rx_queues
*
2990 sizeof(ptk_pn
->q
[0]),
2997 for (tid
= 0; tid
< IWL_MAX_TID_COUNT
; tid
++) {
2998 ieee80211_get_key_rx_seq(key
, tid
, &seq
);
2999 for (q
= 0; q
< mvm
->trans
->num_rx_queues
; q
++)
3000 memcpy(ptk_pn
->q
[q
].pn
[tid
],
3002 IEEE80211_CCMP_PN_LEN
);
3005 rcu_assign_pointer(mvmsta
->ptk_pn
[keyidx
], ptk_pn
);
3008 /* in HW restart reuse the index, otherwise request a new one */
3009 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
))
3010 key_offset
= key
->hw_key_idx
;
3012 key_offset
= STA_KEY_IDX_INVALID
;
3014 IWL_DEBUG_MAC80211(mvm
, "set hwcrypto key\n");
3015 ret
= iwl_mvm_set_sta_key(mvm
, vif
, sta
, key
, key_offset
);
3017 IWL_WARN(mvm
, "set key failed\n");
3019 * can't add key for RX, but we don't need it
3020 * in the device for TX so still return 0
3022 key
->hw_key_idx
= STA_KEY_IDX_INVALID
;
3028 if (key
->hw_key_idx
== STA_KEY_IDX_INVALID
) {
3033 if (sta
&& iwl_mvm_has_new_rx_api(mvm
) &&
3034 key
->flags
& IEEE80211_KEY_FLAG_PAIRWISE
&&
3035 (key
->cipher
== WLAN_CIPHER_SUITE_CCMP
||
3036 key
->cipher
== WLAN_CIPHER_SUITE_GCMP
||
3037 key
->cipher
== WLAN_CIPHER_SUITE_GCMP_256
)) {
3038 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
3039 ptk_pn
= rcu_dereference_protected(
3040 mvmsta
->ptk_pn
[keyidx
],
3041 lockdep_is_held(&mvm
->mutex
));
3042 RCU_INIT_POINTER(mvmsta
->ptk_pn
[keyidx
], NULL
);
3044 kfree_rcu(ptk_pn
, rcu_head
);
3047 IWL_DEBUG_MAC80211(mvm
, "disable hwcrypto key\n");
3048 ret
= iwl_mvm_remove_sta_key(mvm
, vif
, sta
, key
);
3054 mutex_unlock(&mvm
->mutex
);
3058 static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw
*hw
,
3059 struct ieee80211_vif
*vif
,
3060 struct ieee80211_key_conf
*keyconf
,
3061 struct ieee80211_sta
*sta
,
3062 u32 iv32
, u16
*phase1key
)
3064 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3066 if (keyconf
->hw_key_idx
== STA_KEY_IDX_INVALID
)
3069 iwl_mvm_update_tkip_key(mvm
, vif
, keyconf
, sta
, iv32
, phase1key
);
3073 static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data
*notif_wait
,
3074 struct iwl_rx_packet
*pkt
, void *data
)
3076 struct iwl_mvm
*mvm
=
3077 container_of(notif_wait
, struct iwl_mvm
, notif_wait
);
3078 struct iwl_hs20_roc_res
*resp
;
3079 int resp_len
= iwl_rx_packet_payload_len(pkt
);
3080 struct iwl_mvm_time_event_data
*te_data
= data
;
3082 if (WARN_ON(pkt
->hdr
.cmd
!= HOT_SPOT_CMD
))
3085 if (WARN_ON_ONCE(resp_len
!= sizeof(*resp
))) {
3086 IWL_ERR(mvm
, "Invalid HOT_SPOT_CMD response\n");
3090 resp
= (void *)pkt
->data
;
3093 "Aux ROC: Recieved response from ucode: status=%d uid=%d\n",
3094 resp
->status
, resp
->event_unique_id
);
3096 te_data
->uid
= le32_to_cpu(resp
->event_unique_id
);
3097 IWL_DEBUG_TE(mvm
, "TIME_EVENT_CMD response - UID = 0x%x\n",
3100 spin_lock_bh(&mvm
->time_event_lock
);
3101 list_add_tail(&te_data
->list
, &mvm
->aux_roc_te_list
);
3102 spin_unlock_bh(&mvm
->time_event_lock
);
3107 #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100)
3108 #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200)
3109 #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600)
3110 #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20)
3111 #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10)
3112 static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm
*mvm
,
3113 struct ieee80211_channel
*channel
,
3114 struct ieee80211_vif
*vif
,
3117 int res
, time_reg
= DEVICE_SYSTEM_TIME_REG
;
3118 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3119 struct iwl_mvm_time_event_data
*te_data
= &mvmvif
->hs_time_event_data
;
3120 static const u16 time_event_response
[] = { HOT_SPOT_CMD
};
3121 struct iwl_notification_wait wait_time_event
;
3122 u32 dtim_interval
= vif
->bss_conf
.dtim_period
*
3123 vif
->bss_conf
.beacon_int
;
3125 struct iwl_hs20_roc_req aux_roc_req
= {
3126 .action
= cpu_to_le32(FW_CTXT_ACTION_ADD
),
3128 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX
, 0)),
3129 .sta_id_and_color
= cpu_to_le32(mvm
->aux_sta
.sta_id
),
3130 /* Set the channel info data */
3131 .channel_info
.band
= (channel
->band
== NL80211_BAND_2GHZ
) ?
3132 PHY_BAND_24
: PHY_BAND_5
,
3133 .channel_info
.channel
= channel
->hw_value
,
3134 .channel_info
.width
= PHY_VHT_CHANNEL_MODE20
,
3135 /* Set the time and duration */
3136 .apply_time
= cpu_to_le32(iwl_read_prph(mvm
->trans
, time_reg
)),
3139 delay
= AUX_ROC_MIN_DELAY
;
3140 req_dur
= MSEC_TO_TU(duration
);
3143 * If we are associated we want the delay time to be at least one
3144 * dtim interval so that the FW can wait until after the DTIM and
3145 * then start the time event, this will potentially allow us to
3146 * remain off-channel for the max duration.
3147 * Since we want to use almost a whole dtim interval we would also
3148 * like the delay to be for 2-3 dtim intervals, in case there are
3149 * other time events with higher priority.
3151 if (vif
->bss_conf
.assoc
) {
3152 delay
= min_t(u32
, dtim_interval
* 3, AUX_ROC_MAX_DELAY
);
3153 /* We cannot remain off-channel longer than the DTIM interval */
3154 if (dtim_interval
<= req_dur
) {
3155 req_dur
= dtim_interval
- AUX_ROC_SAFETY_BUFFER
;
3156 if (req_dur
<= AUX_ROC_MIN_DURATION
)
3157 req_dur
= dtim_interval
-
3158 AUX_ROC_MIN_SAFETY_BUFFER
;
3162 aux_roc_req
.duration
= cpu_to_le32(req_dur
);
3163 aux_roc_req
.apply_time_max_delay
= cpu_to_le32(delay
);
3166 "ROC: Requesting to remain on channel %u for %ums (requested = %ums, max_delay = %ums, dtim_interval = %ums)\n",
3167 channel
->hw_value
, req_dur
, duration
, delay
,
3169 /* Set the node address */
3170 memcpy(aux_roc_req
.node_addr
, vif
->addr
, ETH_ALEN
);
3172 lockdep_assert_held(&mvm
->mutex
);
3174 spin_lock_bh(&mvm
->time_event_lock
);
3176 if (WARN_ON(te_data
->id
== HOT_SPOT_CMD
)) {
3177 spin_unlock_bh(&mvm
->time_event_lock
);
3182 te_data
->duration
= duration
;
3183 te_data
->id
= HOT_SPOT_CMD
;
3185 spin_unlock_bh(&mvm
->time_event_lock
);
3188 * Use a notification wait, which really just processes the
3189 * command response and doesn't wait for anything, in order
3190 * to be able to process the response and get the UID inside
3191 * the RX path. Using CMD_WANT_SKB doesn't work because it
3192 * stores the buffer and then wakes up this thread, by which
3193 * time another notification (that the time event started)
3194 * might already be processed unsuccessfully.
3196 iwl_init_notification_wait(&mvm
->notif_wait
, &wait_time_event
,
3197 time_event_response
,
3198 ARRAY_SIZE(time_event_response
),
3199 iwl_mvm_rx_aux_roc
, te_data
);
3201 res
= iwl_mvm_send_cmd_pdu(mvm
, HOT_SPOT_CMD
, 0, sizeof(aux_roc_req
),
3205 IWL_ERR(mvm
, "Couldn't send HOT_SPOT_CMD: %d\n", res
);
3206 iwl_remove_notification(&mvm
->notif_wait
, &wait_time_event
);
3210 /* No need to wait for anything, so just pass 1 (0 isn't valid) */
3211 res
= iwl_wait_notification(&mvm
->notif_wait
, &wait_time_event
, 1);
3212 /* should never fail */
3217 spin_lock_bh(&mvm
->time_event_lock
);
3218 iwl_mvm_te_clear_data(mvm
, te_data
);
3219 spin_unlock_bh(&mvm
->time_event_lock
);
3225 static int iwl_mvm_roc(struct ieee80211_hw
*hw
,
3226 struct ieee80211_vif
*vif
,
3227 struct ieee80211_channel
*channel
,
3229 enum ieee80211_roc_type type
)
3231 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3232 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3233 struct cfg80211_chan_def chandef
;
3234 struct iwl_mvm_phy_ctxt
*phy_ctxt
;
3237 IWL_DEBUG_MAC80211(mvm
, "enter (%d, %d, %d)\n", channel
->hw_value
,
3240 flush_work(&mvm
->roc_done_wk
);
3242 mutex_lock(&mvm
->mutex
);
3244 switch (vif
->type
) {
3245 case NL80211_IFTYPE_STATION
:
3246 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
3247 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT
)) {
3248 /* Use aux roc framework (HS20) */
3249 ret
= iwl_mvm_send_aux_roc_cmd(mvm
, channel
,
3253 IWL_ERR(mvm
, "hotspot not supported\n");
3256 case NL80211_IFTYPE_P2P_DEVICE
:
3260 IWL_ERR(mvm
, "vif isn't P2P_DEVICE: %d\n", vif
->type
);
3265 for (i
= 0; i
< NUM_PHY_CTX
; i
++) {
3266 phy_ctxt
= &mvm
->phy_ctxts
[i
];
3267 if (phy_ctxt
->ref
== 0 || mvmvif
->phy_ctxt
== phy_ctxt
)
3270 if (phy_ctxt
->ref
&& channel
== phy_ctxt
->channel
) {
3272 * Unbind the P2P_DEVICE from the current PHY context,
3273 * and if the PHY context is not used remove it.
3275 ret
= iwl_mvm_binding_remove_vif(mvm
, vif
);
3276 if (WARN(ret
, "Failed unbinding P2P_DEVICE\n"))
3279 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
3281 /* Bind the P2P_DEVICE to the current PHY Context */
3282 mvmvif
->phy_ctxt
= phy_ctxt
;
3284 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
3285 if (WARN(ret
, "Failed binding P2P_DEVICE\n"))
3288 iwl_mvm_phy_ctxt_ref(mvm
, mvmvif
->phy_ctxt
);
3289 goto schedule_time_event
;
3293 /* Need to update the PHY context only if the ROC channel changed */
3294 if (channel
== mvmvif
->phy_ctxt
->channel
)
3295 goto schedule_time_event
;
3297 cfg80211_chandef_create(&chandef
, channel
, NL80211_CHAN_NO_HT
);
3300 * Change the PHY context configuration as it is currently referenced
3301 * only by the P2P Device MAC
3303 if (mvmvif
->phy_ctxt
->ref
== 1) {
3304 ret
= iwl_mvm_phy_ctxt_changed(mvm
, mvmvif
->phy_ctxt
,
3310 * The PHY context is shared with other MACs. Need to remove the
3311 * P2P Device from the binding, allocate an new PHY context and
3312 * create a new binding
3314 phy_ctxt
= iwl_mvm_get_free_phy_ctxt(mvm
);
3320 ret
= iwl_mvm_phy_ctxt_changed(mvm
, phy_ctxt
, &chandef
,
3323 IWL_ERR(mvm
, "Failed to change PHY context\n");
3327 /* Unbind the P2P_DEVICE from the current PHY context */
3328 ret
= iwl_mvm_binding_remove_vif(mvm
, vif
);
3329 if (WARN(ret
, "Failed unbinding P2P_DEVICE\n"))
3332 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
3334 /* Bind the P2P_DEVICE to the new allocated PHY context */
3335 mvmvif
->phy_ctxt
= phy_ctxt
;
3337 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
3338 if (WARN(ret
, "Failed binding P2P_DEVICE\n"))
3341 iwl_mvm_phy_ctxt_ref(mvm
, mvmvif
->phy_ctxt
);
3344 schedule_time_event
:
3345 /* Schedule the time events */
3346 ret
= iwl_mvm_start_p2p_roc(mvm
, vif
, duration
, type
);
3349 mutex_unlock(&mvm
->mutex
);
3350 IWL_DEBUG_MAC80211(mvm
, "leave\n");
3354 static int iwl_mvm_cancel_roc(struct ieee80211_hw
*hw
)
3356 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3358 IWL_DEBUG_MAC80211(mvm
, "enter\n");
3360 mutex_lock(&mvm
->mutex
);
3361 iwl_mvm_stop_roc(mvm
);
3362 mutex_unlock(&mvm
->mutex
);
3364 IWL_DEBUG_MAC80211(mvm
, "leave\n");
3368 static int __iwl_mvm_add_chanctx(struct iwl_mvm
*mvm
,
3369 struct ieee80211_chanctx_conf
*ctx
)
3371 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
3372 struct iwl_mvm_phy_ctxt
*phy_ctxt
;
3375 lockdep_assert_held(&mvm
->mutex
);
3377 IWL_DEBUG_MAC80211(mvm
, "Add channel context\n");
3379 phy_ctxt
= iwl_mvm_get_free_phy_ctxt(mvm
);
3385 ret
= iwl_mvm_phy_ctxt_changed(mvm
, phy_ctxt
, &ctx
->min_def
,
3386 ctx
->rx_chains_static
,
3387 ctx
->rx_chains_dynamic
);
3389 IWL_ERR(mvm
, "Failed to add PHY context\n");
3393 iwl_mvm_phy_ctxt_ref(mvm
, phy_ctxt
);
3394 *phy_ctxt_id
= phy_ctxt
->id
;
3399 static int iwl_mvm_add_chanctx(struct ieee80211_hw
*hw
,
3400 struct ieee80211_chanctx_conf
*ctx
)
3402 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3405 mutex_lock(&mvm
->mutex
);
3406 ret
= __iwl_mvm_add_chanctx(mvm
, ctx
);
3407 mutex_unlock(&mvm
->mutex
);
3412 static void __iwl_mvm_remove_chanctx(struct iwl_mvm
*mvm
,
3413 struct ieee80211_chanctx_conf
*ctx
)
3415 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
3416 struct iwl_mvm_phy_ctxt
*phy_ctxt
= &mvm
->phy_ctxts
[*phy_ctxt_id
];
3418 lockdep_assert_held(&mvm
->mutex
);
3420 iwl_mvm_phy_ctxt_unref(mvm
, phy_ctxt
);
3423 static void iwl_mvm_remove_chanctx(struct ieee80211_hw
*hw
,
3424 struct ieee80211_chanctx_conf
*ctx
)
3426 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3428 mutex_lock(&mvm
->mutex
);
3429 __iwl_mvm_remove_chanctx(mvm
, ctx
);
3430 mutex_unlock(&mvm
->mutex
);
3433 static void iwl_mvm_change_chanctx(struct ieee80211_hw
*hw
,
3434 struct ieee80211_chanctx_conf
*ctx
,
3437 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3438 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
3439 struct iwl_mvm_phy_ctxt
*phy_ctxt
= &mvm
->phy_ctxts
[*phy_ctxt_id
];
3441 if (WARN_ONCE((phy_ctxt
->ref
> 1) &&
3442 (changed
& ~(IEEE80211_CHANCTX_CHANGE_WIDTH
|
3443 IEEE80211_CHANCTX_CHANGE_RX_CHAINS
|
3444 IEEE80211_CHANCTX_CHANGE_RADAR
|
3445 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH
)),
3446 "Cannot change PHY. Ref=%d, changed=0x%X\n",
3447 phy_ctxt
->ref
, changed
))
3450 mutex_lock(&mvm
->mutex
);
3451 iwl_mvm_bt_coex_vif_change(mvm
);
3452 iwl_mvm_phy_ctxt_changed(mvm
, phy_ctxt
, &ctx
->min_def
,
3453 ctx
->rx_chains_static
,
3454 ctx
->rx_chains_dynamic
);
3455 mutex_unlock(&mvm
->mutex
);
3458 static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm
*mvm
,
3459 struct ieee80211_vif
*vif
,
3460 struct ieee80211_chanctx_conf
*ctx
,
3461 bool switching_chanctx
)
3463 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
3464 struct iwl_mvm_phy_ctxt
*phy_ctxt
= &mvm
->phy_ctxts
[*phy_ctxt_id
];
3465 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3468 lockdep_assert_held(&mvm
->mutex
);
3470 mvmvif
->phy_ctxt
= phy_ctxt
;
3472 switch (vif
->type
) {
3473 case NL80211_IFTYPE_AP
:
3474 /* only needed if we're switching chanctx (i.e. during CSA) */
3475 if (switching_chanctx
) {
3476 mvmvif
->ap_ibss_active
= true;
3479 case NL80211_IFTYPE_ADHOC
:
3481 * The AP binding flow is handled as part of the start_ap flow
3482 * (in bss_info_changed), similarly for IBSS.
3486 case NL80211_IFTYPE_STATION
:
3488 case NL80211_IFTYPE_MONITOR
:
3489 /* always disable PS when a monitor interface is active */
3490 mvmvif
->ps_disabled
= true;
3497 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
3502 * Power state must be updated before quotas,
3503 * otherwise fw will complain.
3505 iwl_mvm_power_update_mac(mvm
);
3507 /* Setting the quota at this stage is only required for monitor
3508 * interfaces. For the other types, the bss_info changed flow
3509 * will handle quota settings.
3511 if (vif
->type
== NL80211_IFTYPE_MONITOR
) {
3512 mvmvif
->monitor_active
= true;
3513 ret
= iwl_mvm_update_quotas(mvm
, false, NULL
);
3515 goto out_remove_binding
;
3517 ret
= iwl_mvm_add_snif_sta(mvm
, vif
);
3519 goto out_remove_binding
;
3523 /* Handle binding during CSA */
3524 if (vif
->type
== NL80211_IFTYPE_AP
) {
3525 iwl_mvm_update_quotas(mvm
, false, NULL
);
3526 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
3529 if (switching_chanctx
&& vif
->type
== NL80211_IFTYPE_STATION
) {
3530 u32 duration
= 2 * vif
->bss_conf
.beacon_int
;
3532 /* iwl_mvm_protect_session() reads directly from the
3533 * device (the system time), so make sure it is
3536 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_PROTECT_CSA
);
3538 goto out_remove_binding
;
3540 /* Protect the session to make sure we hear the first
3541 * beacon on the new channel.
3543 iwl_mvm_protect_session(mvm
, vif
, duration
, duration
,
3544 vif
->bss_conf
.beacon_int
/ 2,
3547 iwl_mvm_unref(mvm
, IWL_MVM_REF_PROTECT_CSA
);
3549 iwl_mvm_update_quotas(mvm
, false, NULL
);
3555 iwl_mvm_binding_remove_vif(mvm
, vif
);
3556 iwl_mvm_power_update_mac(mvm
);
3559 mvmvif
->phy_ctxt
= NULL
;
3562 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw
*hw
,
3563 struct ieee80211_vif
*vif
,
3564 struct ieee80211_chanctx_conf
*ctx
)
3566 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3569 mutex_lock(&mvm
->mutex
);
3570 ret
= __iwl_mvm_assign_vif_chanctx(mvm
, vif
, ctx
, false);
3571 mutex_unlock(&mvm
->mutex
);
3576 static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm
*mvm
,
3577 struct ieee80211_vif
*vif
,
3578 struct ieee80211_chanctx_conf
*ctx
,
3579 bool switching_chanctx
)
3581 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3582 struct ieee80211_vif
*disabled_vif
= NULL
;
3584 lockdep_assert_held(&mvm
->mutex
);
3586 iwl_mvm_remove_time_event(mvm
, mvmvif
, &mvmvif
->time_event_data
);
3588 switch (vif
->type
) {
3589 case NL80211_IFTYPE_ADHOC
:
3591 case NL80211_IFTYPE_MONITOR
:
3592 mvmvif
->monitor_active
= false;
3593 mvmvif
->ps_disabled
= false;
3594 iwl_mvm_rm_snif_sta(mvm
, vif
);
3596 case NL80211_IFTYPE_AP
:
3597 /* This part is triggered only during CSA */
3598 if (!switching_chanctx
|| !mvmvif
->ap_ibss_active
)
3601 mvmvif
->csa_countdown
= false;
3603 /* Set CS bit on all the stations */
3604 iwl_mvm_modify_all_sta_disable_tx(mvm
, mvmvif
, true);
3606 /* Save blocked iface, the timeout is set on the next beacon */
3607 rcu_assign_pointer(mvm
->csa_tx_blocked_vif
, vif
);
3609 mvmvif
->ap_ibss_active
= false;
3611 case NL80211_IFTYPE_STATION
:
3612 if (!switching_chanctx
)
3617 iwl_mvm_mac_ctxt_changed(mvm
, vif
, true, NULL
);
3623 iwl_mvm_update_quotas(mvm
, false, disabled_vif
);
3624 iwl_mvm_binding_remove_vif(mvm
, vif
);
3627 mvmvif
->phy_ctxt
= NULL
;
3628 iwl_mvm_power_update_mac(mvm
);
3631 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw
*hw
,
3632 struct ieee80211_vif
*vif
,
3633 struct ieee80211_chanctx_conf
*ctx
)
3635 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3637 mutex_lock(&mvm
->mutex
);
3638 __iwl_mvm_unassign_vif_chanctx(mvm
, vif
, ctx
, false);
3639 mutex_unlock(&mvm
->mutex
);
3643 iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm
*mvm
,
3644 struct ieee80211_vif_chanctx_switch
*vifs
)
3648 mutex_lock(&mvm
->mutex
);
3649 __iwl_mvm_unassign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].old_ctx
, true);
3650 __iwl_mvm_remove_chanctx(mvm
, vifs
[0].old_ctx
);
3652 ret
= __iwl_mvm_add_chanctx(mvm
, vifs
[0].new_ctx
);
3654 IWL_ERR(mvm
, "failed to add new_ctx during channel switch\n");
3658 ret
= __iwl_mvm_assign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].new_ctx
,
3662 "failed to assign new_ctx during channel switch\n");
3666 /* we don't support TDLS during DCM - can be caused by channel switch */
3667 if (iwl_mvm_phy_ctx_count(mvm
) > 1)
3668 iwl_mvm_teardown_tdls_peers(mvm
);
3673 __iwl_mvm_remove_chanctx(mvm
, vifs
[0].new_ctx
);
3676 if (__iwl_mvm_add_chanctx(mvm
, vifs
[0].old_ctx
)) {
3677 IWL_ERR(mvm
, "failed to add old_ctx back after failure.\n");
3681 if (__iwl_mvm_assign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].old_ctx
,
3683 IWL_ERR(mvm
, "failed to reassign old_ctx after failure.\n");
3690 /* things keep failing, better restart the hw */
3691 iwl_mvm_nic_restart(mvm
, false);
3694 mutex_unlock(&mvm
->mutex
);
3700 iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm
*mvm
,
3701 struct ieee80211_vif_chanctx_switch
*vifs
)
3705 mutex_lock(&mvm
->mutex
);
3706 __iwl_mvm_unassign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].old_ctx
, true);
3708 ret
= __iwl_mvm_assign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].new_ctx
,
3712 "failed to assign new_ctx during channel switch\n");
3719 if (__iwl_mvm_assign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].old_ctx
,
3721 IWL_ERR(mvm
, "failed to reassign old_ctx after failure.\n");
3728 /* things keep failing, better restart the hw */
3729 iwl_mvm_nic_restart(mvm
, false);
3732 mutex_unlock(&mvm
->mutex
);
3737 static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw
*hw
,
3738 struct ieee80211_vif_chanctx_switch
*vifs
,
3740 enum ieee80211_chanctx_switch_mode mode
)
3742 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3745 /* we only support a single-vif right now */
3750 case CHANCTX_SWMODE_SWAP_CONTEXTS
:
3751 ret
= iwl_mvm_switch_vif_chanctx_swap(mvm
, vifs
);
3753 case CHANCTX_SWMODE_REASSIGN_VIF
:
3754 ret
= iwl_mvm_switch_vif_chanctx_reassign(mvm
, vifs
);
3764 static int iwl_mvm_tx_last_beacon(struct ieee80211_hw
*hw
)
3766 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3768 return mvm
->ibss_manager
;
3771 static int iwl_mvm_set_tim(struct ieee80211_hw
*hw
,
3772 struct ieee80211_sta
*sta
,
3775 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3776 struct iwl_mvm_sta
*mvm_sta
= iwl_mvm_sta_from_mac80211(sta
);
3778 if (!mvm_sta
|| !mvm_sta
->vif
) {
3779 IWL_ERR(mvm
, "Station is not associated to a vif\n");
3783 return iwl_mvm_mac_ctxt_beacon_changed(mvm
, mvm_sta
->vif
);
3786 #ifdef CONFIG_NL80211_TESTMODE
3787 static const struct nla_policy iwl_mvm_tm_policy
[IWL_MVM_TM_ATTR_MAX
+ 1] = {
3788 [IWL_MVM_TM_ATTR_CMD
] = { .type
= NLA_U32
},
3789 [IWL_MVM_TM_ATTR_NOA_DURATION
] = { .type
= NLA_U32
},
3790 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE
] = { .type
= NLA_U32
},
3793 static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm
*mvm
,
3794 struct ieee80211_vif
*vif
,
3795 void *data
, int len
)
3797 struct nlattr
*tb
[IWL_MVM_TM_ATTR_MAX
+ 1];
3801 err
= nla_parse(tb
, IWL_MVM_TM_ATTR_MAX
, data
, len
, iwl_mvm_tm_policy
,
3806 if (!tb
[IWL_MVM_TM_ATTR_CMD
])
3809 switch (nla_get_u32(tb
[IWL_MVM_TM_ATTR_CMD
])) {
3810 case IWL_MVM_TM_CMD_SET_NOA
:
3811 if (!vif
|| vif
->type
!= NL80211_IFTYPE_AP
|| !vif
->p2p
||
3812 !vif
->bss_conf
.enable_beacon
||
3813 !tb
[IWL_MVM_TM_ATTR_NOA_DURATION
])
3816 noa_duration
= nla_get_u32(tb
[IWL_MVM_TM_ATTR_NOA_DURATION
]);
3817 if (noa_duration
>= vif
->bss_conf
.beacon_int
)
3820 mvm
->noa_duration
= noa_duration
;
3823 return iwl_mvm_update_quotas(mvm
, false, NULL
);
3824 case IWL_MVM_TM_CMD_SET_BEACON_FILTER
:
3825 /* must be associated client vif - ignore authorized */
3826 if (!vif
|| vif
->type
!= NL80211_IFTYPE_STATION
||
3827 !vif
->bss_conf
.assoc
|| !vif
->bss_conf
.dtim_period
||
3828 !tb
[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE
])
3831 if (nla_get_u32(tb
[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE
]))
3832 return iwl_mvm_enable_beacon_filter(mvm
, vif
, 0);
3833 return iwl_mvm_disable_beacon_filter(mvm
, vif
, 0);
3839 static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw
*hw
,
3840 struct ieee80211_vif
*vif
,
3841 void *data
, int len
)
3843 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3846 mutex_lock(&mvm
->mutex
);
3847 err
= __iwl_mvm_mac_testmode_cmd(mvm
, vif
, data
, len
);
3848 mutex_unlock(&mvm
->mutex
);
3854 static void iwl_mvm_channel_switch(struct ieee80211_hw
*hw
,
3855 struct ieee80211_vif
*vif
,
3856 struct ieee80211_channel_switch
*chsw
)
3858 /* By implementing this operation, we prevent mac80211 from
3859 * starting its own channel switch timer, so that we can call
3860 * ieee80211_chswitch_done() ourselves at the right time
3861 * (which is when the absence time event starts).
3864 IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw
),
3865 "dummy channel switch op\n");
3868 static int iwl_mvm_pre_channel_switch(struct ieee80211_hw
*hw
,
3869 struct ieee80211_vif
*vif
,
3870 struct ieee80211_channel_switch
*chsw
)
3872 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3873 struct ieee80211_vif
*csa_vif
;
3874 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3878 mutex_lock(&mvm
->mutex
);
3880 mvmvif
->csa_failed
= false;
3882 IWL_DEBUG_MAC80211(mvm
, "pre CSA to freq %d\n",
3883 chsw
->chandef
.center_freq1
);
3885 iwl_fw_dbg_trigger_simple_stop(mvm
, vif
, FW_DBG_TRIGGER_CHANNEL_SWITCH
);
3887 switch (vif
->type
) {
3888 case NL80211_IFTYPE_AP
:
3890 rcu_dereference_protected(mvm
->csa_vif
,
3891 lockdep_is_held(&mvm
->mutex
));
3892 if (WARN_ONCE(csa_vif
&& csa_vif
->csa_active
,
3893 "Another CSA is already in progress")) {
3898 /* we still didn't unblock tx. prevent new CS meanwhile */
3899 if (rcu_dereference_protected(mvm
->csa_tx_blocked_vif
,
3900 lockdep_is_held(&mvm
->mutex
))) {
3905 rcu_assign_pointer(mvm
->csa_vif
, vif
);
3907 if (WARN_ONCE(mvmvif
->csa_countdown
,
3908 "Previous CSA countdown didn't complete")) {
3913 mvmvif
->csa_target_freq
= chsw
->chandef
.chan
->center_freq
;
3916 case NL80211_IFTYPE_STATION
:
3917 if (mvmvif
->lqm_active
)
3918 iwl_mvm_send_lqm_cmd(vif
,
3919 LQM_CMD_OPERATION_STOP_MEASUREMENT
,
3922 /* Schedule the time event to a bit before beacon 1,
3923 * to make sure we're in the new channel when the
3926 apply_time
= chsw
->device_timestamp
+
3927 ((vif
->bss_conf
.beacon_int
* (chsw
->count
- 1) -
3928 IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT
) * 1024);
3931 iwl_mvm_csa_client_absent(mvm
, vif
);
3933 iwl_mvm_schedule_csa_period(mvm
, vif
, vif
->bss_conf
.beacon_int
,
3935 if (mvmvif
->bf_data
.bf_enabled
) {
3936 ret
= iwl_mvm_disable_beacon_filter(mvm
, vif
, 0);
3946 mvmvif
->ps_disabled
= true;
3948 ret
= iwl_mvm_power_update_ps(mvm
);
3952 /* we won't be on this channel any longer */
3953 iwl_mvm_teardown_tdls_peers(mvm
);
3956 mutex_unlock(&mvm
->mutex
);
3961 static int iwl_mvm_post_channel_switch(struct ieee80211_hw
*hw
,
3962 struct ieee80211_vif
*vif
)
3964 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3965 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3968 mutex_lock(&mvm
->mutex
);
3970 if (mvmvif
->csa_failed
) {
3971 mvmvif
->csa_failed
= false;
3976 if (vif
->type
== NL80211_IFTYPE_STATION
) {
3977 struct iwl_mvm_sta
*mvmsta
;
3979 mvmsta
= iwl_mvm_sta_from_staid_protected(mvm
,
3982 if (WARN_ON(!mvmsta
)) {
3987 iwl_mvm_sta_modify_disable_tx(mvm
, mvmsta
, false);
3989 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
3991 ret
= iwl_mvm_enable_beacon_filter(mvm
, vif
, 0);
3995 iwl_mvm_stop_session_protection(mvm
, vif
);
3998 mvmvif
->ps_disabled
= false;
4000 ret
= iwl_mvm_power_update_ps(mvm
);
4003 mutex_unlock(&mvm
->mutex
);
4008 static void iwl_mvm_mac_flush(struct ieee80211_hw
*hw
,
4009 struct ieee80211_vif
*vif
, u32 queues
, bool drop
)
4011 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
4012 struct iwl_mvm_vif
*mvmvif
;
4013 struct iwl_mvm_sta
*mvmsta
;
4014 struct ieee80211_sta
*sta
;
4018 if (!vif
|| vif
->type
!= NL80211_IFTYPE_STATION
)
4021 /* Make sure we're done with the deferred traffic before flushing */
4022 if (iwl_mvm_is_dqa_supported(mvm
))
4023 flush_work(&mvm
->add_stream_wk
);
4025 mutex_lock(&mvm
->mutex
);
4026 mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
4028 /* flush the AP-station and all TDLS peers */
4029 for (i
= 0; i
< ARRAY_SIZE(mvm
->fw_id_to_mac_id
); i
++) {
4030 sta
= rcu_dereference_protected(mvm
->fw_id_to_mac_id
[i
],
4031 lockdep_is_held(&mvm
->mutex
));
4032 if (IS_ERR_OR_NULL(sta
))
4035 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
4036 if (mvmsta
->vif
!= vif
)
4039 /* make sure only TDLS peers or the AP are flushed */
4040 WARN_ON(i
!= mvmvif
->ap_sta_id
&& !sta
->tdls
);
4043 if (iwl_mvm_flush_sta(mvm
, mvmsta
, false, 0))
4044 IWL_ERR(mvm
, "flush request fail\n");
4046 msk
|= mvmsta
->tfd_queue_msk
;
4047 if (iwl_mvm_has_new_tx_api(mvm
))
4048 iwl_mvm_wait_sta_queues_empty(mvm
, mvmsta
);
4052 mutex_unlock(&mvm
->mutex
);
4054 /* this can take a while, and we may need/want other operations
4055 * to succeed while doing this, so do it without the mutex held
4057 if (!drop
&& !iwl_mvm_has_new_tx_api(mvm
))
4058 iwl_trans_wait_tx_queues_empty(mvm
->trans
, msk
);
4061 static int iwl_mvm_mac_get_survey(struct ieee80211_hw
*hw
, int idx
,
4062 struct survey_info
*survey
)
4064 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
4067 memset(survey
, 0, sizeof(*survey
));
4069 /* only support global statistics right now */
4073 if (!fw_has_capa(&mvm
->fw
->ucode_capa
,
4074 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS
))
4077 mutex_lock(&mvm
->mutex
);
4079 if (iwl_mvm_firmware_running(mvm
)) {
4080 ret
= iwl_mvm_request_statistics(mvm
, false);
4085 survey
->filled
= SURVEY_INFO_TIME
|
4086 SURVEY_INFO_TIME_RX
|
4087 SURVEY_INFO_TIME_TX
|
4088 SURVEY_INFO_TIME_SCAN
;
4089 survey
->time
= mvm
->accu_radio_stats
.on_time_rf
+
4090 mvm
->radio_stats
.on_time_rf
;
4091 do_div(survey
->time
, USEC_PER_MSEC
);
4093 survey
->time_rx
= mvm
->accu_radio_stats
.rx_time
+
4094 mvm
->radio_stats
.rx_time
;
4095 do_div(survey
->time_rx
, USEC_PER_MSEC
);
4097 survey
->time_tx
= mvm
->accu_radio_stats
.tx_time
+
4098 mvm
->radio_stats
.tx_time
;
4099 do_div(survey
->time_tx
, USEC_PER_MSEC
);
4101 survey
->time_scan
= mvm
->accu_radio_stats
.on_time_scan
+
4102 mvm
->radio_stats
.on_time_scan
;
4103 do_div(survey
->time_scan
, USEC_PER_MSEC
);
4107 mutex_unlock(&mvm
->mutex
);
4111 static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw
*hw
,
4112 struct ieee80211_vif
*vif
,
4113 struct ieee80211_sta
*sta
,
4114 struct station_info
*sinfo
)
4116 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
4117 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
4118 struct iwl_mvm_sta
*mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
4120 if (mvmsta
->avg_energy
) {
4121 sinfo
->signal_avg
= mvmsta
->avg_energy
;
4122 sinfo
->filled
|= BIT(NL80211_STA_INFO_SIGNAL_AVG
);
4125 if (!fw_has_capa(&mvm
->fw
->ucode_capa
,
4126 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS
))
4129 /* if beacon filtering isn't on mac80211 does it anyway */
4130 if (!(vif
->driver_flags
& IEEE80211_VIF_BEACON_FILTER
))
4133 if (!vif
->bss_conf
.assoc
)
4136 mutex_lock(&mvm
->mutex
);
4138 if (mvmvif
->ap_sta_id
!= mvmsta
->sta_id
)
4141 if (iwl_mvm_request_statistics(mvm
, false))
4144 sinfo
->rx_beacon
= mvmvif
->beacon_stats
.num_beacons
+
4145 mvmvif
->beacon_stats
.accu_num_beacons
;
4146 sinfo
->filled
|= BIT(NL80211_STA_INFO_BEACON_RX
);
4147 if (mvmvif
->beacon_stats
.avg_signal
) {
4148 /* firmware only reports a value after RXing a few beacons */
4149 sinfo
->rx_beacon_signal_avg
= mvmvif
->beacon_stats
.avg_signal
;
4150 sinfo
->filled
|= BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG
);
4153 mutex_unlock(&mvm
->mutex
);
4156 static void iwl_mvm_event_mlme_callback(struct iwl_mvm
*mvm
,
4157 struct ieee80211_vif
*vif
,
4158 const struct ieee80211_event
*event
)
4160 #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \
4162 if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \
4164 iwl_mvm_fw_dbg_collect_trig(mvm, trig, _fmt); \
4167 struct iwl_fw_dbg_trigger_tlv
*trig
;
4168 struct iwl_fw_dbg_trigger_mlme
*trig_mlme
;
4170 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_MLME
))
4173 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_MLME
);
4174 trig_mlme
= (void *)trig
->data
;
4175 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
4178 if (event
->u
.mlme
.data
== ASSOC_EVENT
) {
4179 if (event
->u
.mlme
.status
== MLME_DENIED
)
4180 CHECK_MLME_TRIGGER(stop_assoc_denied
,
4181 "DENIED ASSOC: reason %d",
4182 event
->u
.mlme
.reason
);
4183 else if (event
->u
.mlme
.status
== MLME_TIMEOUT
)
4184 CHECK_MLME_TRIGGER(stop_assoc_timeout
,
4186 } else if (event
->u
.mlme
.data
== AUTH_EVENT
) {
4187 if (event
->u
.mlme
.status
== MLME_DENIED
)
4188 CHECK_MLME_TRIGGER(stop_auth_denied
,
4189 "DENIED AUTH: reason %d",
4190 event
->u
.mlme
.reason
);
4191 else if (event
->u
.mlme
.status
== MLME_TIMEOUT
)
4192 CHECK_MLME_TRIGGER(stop_auth_timeout
,
4194 } else if (event
->u
.mlme
.data
== DEAUTH_RX_EVENT
) {
4195 CHECK_MLME_TRIGGER(stop_rx_deauth
,
4196 "DEAUTH RX %d", event
->u
.mlme
.reason
);
4197 } else if (event
->u
.mlme
.data
== DEAUTH_TX_EVENT
) {
4198 CHECK_MLME_TRIGGER(stop_tx_deauth
,
4199 "DEAUTH TX %d", event
->u
.mlme
.reason
);
4201 #undef CHECK_MLME_TRIGGER
4204 static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm
*mvm
,
4205 struct ieee80211_vif
*vif
,
4206 const struct ieee80211_event
*event
)
4208 struct iwl_fw_dbg_trigger_tlv
*trig
;
4209 struct iwl_fw_dbg_trigger_ba
*ba_trig
;
4211 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_BA
))
4214 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_BA
);
4215 ba_trig
= (void *)trig
->data
;
4216 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
4219 if (!(le16_to_cpu(ba_trig
->rx_bar
) & BIT(event
->u
.ba
.tid
)))
4222 iwl_mvm_fw_dbg_collect_trig(mvm
, trig
,
4223 "BAR received from %pM, tid %d, ssn %d",
4224 event
->u
.ba
.sta
->addr
, event
->u
.ba
.tid
,
4229 iwl_mvm_event_frame_timeout_callback(struct iwl_mvm
*mvm
,
4230 struct ieee80211_vif
*vif
,
4231 const struct ieee80211_event
*event
)
4233 struct iwl_fw_dbg_trigger_tlv
*trig
;
4234 struct iwl_fw_dbg_trigger_ba
*ba_trig
;
4236 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_BA
))
4239 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_BA
);
4240 ba_trig
= (void *)trig
->data
;
4241 if (!iwl_fw_dbg_trigger_check_stop(mvm
, vif
, trig
))
4244 if (!(le16_to_cpu(ba_trig
->frame_timeout
) & BIT(event
->u
.ba
.tid
)))
4247 iwl_mvm_fw_dbg_collect_trig(mvm
, trig
,
4248 "Frame from %pM timed out, tid %d",
4249 event
->u
.ba
.sta
->addr
, event
->u
.ba
.tid
);
4252 static void iwl_mvm_mac_event_callback(struct ieee80211_hw
*hw
,
4253 struct ieee80211_vif
*vif
,
4254 const struct ieee80211_event
*event
)
4256 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
4258 switch (event
->type
) {
4260 iwl_mvm_event_mlme_callback(mvm
, vif
, event
);
4263 iwl_mvm_event_bar_rx_callback(mvm
, vif
, event
);
4265 case BA_FRAME_TIMEOUT
:
4266 iwl_mvm_event_frame_timeout_callback(mvm
, vif
, event
);
4273 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm
*mvm
,
4274 struct iwl_mvm_internal_rxq_notif
*notif
,
4277 u32 qmask
= BIT(mvm
->trans
->num_rx_queues
) - 1;
4280 lockdep_assert_held(&mvm
->mutex
);
4282 /* TODO - remove a000 disablement when we have RXQ config API */
4283 if (!iwl_mvm_has_new_rx_api(mvm
) || iwl_mvm_has_new_tx_api(mvm
))
4286 notif
->cookie
= mvm
->queue_sync_cookie
;
4289 atomic_set(&mvm
->queue_sync_counter
,
4290 mvm
->trans
->num_rx_queues
);
4292 ret
= iwl_mvm_notify_rx_queue(mvm
, qmask
, (u8
*)notif
, size
);
4294 IWL_ERR(mvm
, "Failed to trigger RX queues sync (%d)\n", ret
);
4299 ret
= wait_event_timeout(mvm
->rx_sync_waitq
,
4300 atomic_read(&mvm
->queue_sync_counter
) == 0 ||
4301 iwl_mvm_is_radio_killed(mvm
),
4303 WARN_ON_ONCE(!ret
&& !iwl_mvm_is_radio_killed(mvm
));
4307 atomic_set(&mvm
->queue_sync_counter
, 0);
4308 mvm
->queue_sync_cookie
++;
4311 static void iwl_mvm_sync_rx_queues(struct ieee80211_hw
*hw
)
4313 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
4314 struct iwl_mvm_internal_rxq_notif data
= {
4315 .type
= IWL_MVM_RXQ_EMPTY
,
4319 mutex_lock(&mvm
->mutex
);
4320 iwl_mvm_sync_rx_queues_internal(mvm
, &data
, sizeof(data
));
4321 mutex_unlock(&mvm
->mutex
);
4324 const struct ieee80211_ops iwl_mvm_hw_ops
= {
4325 .tx
= iwl_mvm_mac_tx
,
4326 .ampdu_action
= iwl_mvm_mac_ampdu_action
,
4327 .start
= iwl_mvm_mac_start
,
4328 .reconfig_complete
= iwl_mvm_mac_reconfig_complete
,
4329 .stop
= iwl_mvm_mac_stop
,
4330 .add_interface
= iwl_mvm_mac_add_interface
,
4331 .remove_interface
= iwl_mvm_mac_remove_interface
,
4332 .config
= iwl_mvm_mac_config
,
4333 .prepare_multicast
= iwl_mvm_prepare_multicast
,
4334 .configure_filter
= iwl_mvm_configure_filter
,
4335 .config_iface_filter
= iwl_mvm_config_iface_filter
,
4336 .bss_info_changed
= iwl_mvm_bss_info_changed
,
4337 .hw_scan
= iwl_mvm_mac_hw_scan
,
4338 .cancel_hw_scan
= iwl_mvm_mac_cancel_hw_scan
,
4339 .sta_pre_rcu_remove
= iwl_mvm_sta_pre_rcu_remove
,
4340 .sta_state
= iwl_mvm_mac_sta_state
,
4341 .sta_notify
= iwl_mvm_mac_sta_notify
,
4342 .allow_buffered_frames
= iwl_mvm_mac_allow_buffered_frames
,
4343 .release_buffered_frames
= iwl_mvm_mac_release_buffered_frames
,
4344 .set_rts_threshold
= iwl_mvm_mac_set_rts_threshold
,
4345 .sta_rc_update
= iwl_mvm_sta_rc_update
,
4346 .conf_tx
= iwl_mvm_mac_conf_tx
,
4347 .mgd_prepare_tx
= iwl_mvm_mac_mgd_prepare_tx
,
4348 .mgd_protect_tdls_discover
= iwl_mvm_mac_mgd_protect_tdls_discover
,
4349 .flush
= iwl_mvm_mac_flush
,
4350 .sched_scan_start
= iwl_mvm_mac_sched_scan_start
,
4351 .sched_scan_stop
= iwl_mvm_mac_sched_scan_stop
,
4352 .set_key
= iwl_mvm_mac_set_key
,
4353 .update_tkip_key
= iwl_mvm_mac_update_tkip_key
,
4354 .remain_on_channel
= iwl_mvm_roc
,
4355 .cancel_remain_on_channel
= iwl_mvm_cancel_roc
,
4356 .add_chanctx
= iwl_mvm_add_chanctx
,
4357 .remove_chanctx
= iwl_mvm_remove_chanctx
,
4358 .change_chanctx
= iwl_mvm_change_chanctx
,
4359 .assign_vif_chanctx
= iwl_mvm_assign_vif_chanctx
,
4360 .unassign_vif_chanctx
= iwl_mvm_unassign_vif_chanctx
,
4361 .switch_vif_chanctx
= iwl_mvm_switch_vif_chanctx
,
4363 .start_ap
= iwl_mvm_start_ap_ibss
,
4364 .stop_ap
= iwl_mvm_stop_ap_ibss
,
4365 .join_ibss
= iwl_mvm_start_ap_ibss
,
4366 .leave_ibss
= iwl_mvm_stop_ap_ibss
,
4368 .tx_last_beacon
= iwl_mvm_tx_last_beacon
,
4370 .set_tim
= iwl_mvm_set_tim
,
4372 .channel_switch
= iwl_mvm_channel_switch
,
4373 .pre_channel_switch
= iwl_mvm_pre_channel_switch
,
4374 .post_channel_switch
= iwl_mvm_post_channel_switch
,
4376 .tdls_channel_switch
= iwl_mvm_tdls_channel_switch
,
4377 .tdls_cancel_channel_switch
= iwl_mvm_tdls_cancel_channel_switch
,
4378 .tdls_recv_channel_switch
= iwl_mvm_tdls_recv_channel_switch
,
4380 .event_callback
= iwl_mvm_mac_event_callback
,
4382 .sync_rx_queues
= iwl_mvm_sync_rx_queues
,
4384 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd
)
4386 #ifdef CONFIG_PM_SLEEP
4388 .suspend
= iwl_mvm_suspend
,
4389 .resume
= iwl_mvm_resume
,
4390 .set_wakeup
= iwl_mvm_set_wakeup
,
4391 .set_rekey_data
= iwl_mvm_set_rekey_data
,
4392 #if IS_ENABLED(CONFIG_IPV6)
4393 .ipv6_addr_change
= iwl_mvm_ipv6_addr_change
,
4395 .set_default_unicast_key
= iwl_mvm_set_default_unicast_key
,
4397 .get_survey
= iwl_mvm_mac_get_survey
,
4398 .sta_statistics
= iwl_mvm_mac_sta_statistics
,