1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
25 * The full GNU General Public License is included in this distribution
26 * in the file called COPYING.
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
36 * All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
42 * * Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * * Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in
46 * the documentation and/or other materials provided with the
48 * * Neither the name Intel Corporation nor the names of its
49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
64 *****************************************************************************/
65 #include <linux/kernel.h>
66 #include <linux/slab.h>
67 #include <linux/skbuff.h>
68 #include <linux/netdevice.h>
69 #include <linux/etherdevice.h>
71 #include <linux/if_arp.h>
72 #include <net/mac80211.h>
73 #include <net/ieee80211_radiotap.h>
76 #include "iwl-op-mode.h"
80 #include "time-event.h"
81 #include "iwl-eeprom-parse.h"
82 #include "fw-api-scan.h"
83 #include "iwl-phy-db.h"
85 #include "iwl-fw-error-dump.h"
88 static const struct ieee80211_iface_limit iwl_mvm_limits
[] = {
91 .types
= BIT(NL80211_IFTYPE_STATION
),
95 .types
= BIT(NL80211_IFTYPE_AP
) |
96 BIT(NL80211_IFTYPE_P2P_CLIENT
) |
97 BIT(NL80211_IFTYPE_P2P_GO
),
101 .types
= BIT(NL80211_IFTYPE_P2P_DEVICE
),
105 static const struct ieee80211_iface_combination iwl_mvm_iface_combinations
[] = {
107 .num_different_channels
= 1,
109 .limits
= iwl_mvm_limits
,
110 .n_limits
= ARRAY_SIZE(iwl_mvm_limits
),
114 #ifdef CONFIG_PM_SLEEP
115 static const struct nl80211_wowlan_tcp_data_token_feature
116 iwl_mvm_wowlan_tcp_token_feature
= {
119 .bufsize
= IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS
,
122 static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support
= {
123 .tok
= &iwl_mvm_wowlan_tcp_token_feature
,
124 .data_payload_max
= IWL_WOWLAN_TCP_MAX_PACKET_LEN
-
125 sizeof(struct ethhdr
) -
126 sizeof(struct iphdr
) -
127 sizeof(struct tcphdr
),
128 .data_interval_max
= 65535, /* __le16 in API */
129 .wake_payload_max
= IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN
-
130 sizeof(struct ethhdr
) -
131 sizeof(struct iphdr
) -
132 sizeof(struct tcphdr
),
137 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
139 * Use the reserved field to indicate magic values.
140 * these values will only be used internally by the driver,
141 * and won't make it to the fw (reserved will be 0).
142 * BC_FILTER_MAGIC_IP - configure the val of this attribute to
143 * be the vif's ip address. in case there is not a single
144 * ip address (0, or more than 1), this attribute will
146 * BC_FILTER_MAGIC_MAC - set the val of this attribute to
147 * the LSB bytes of the vif's mac address
150 BC_FILTER_MAGIC_NONE
= 0,
155 static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters
[] = {
159 .frame_type
= BCAST_FILTER_FRAME_TYPE_ALL
,
162 /* frame type - arp, hw type - ethernet */
164 BCAST_FILTER_OFFSET_PAYLOAD_START
,
165 .offset
= sizeof(rfc1042_header
),
166 .val
= cpu_to_be32(0x08060001),
167 .mask
= cpu_to_be32(0xffffffff),
172 BCAST_FILTER_OFFSET_PAYLOAD_START
,
173 .offset
= sizeof(rfc1042_header
) + 2 +
174 sizeof(struct arphdr
) +
175 ETH_ALEN
+ sizeof(__be32
) +
177 .mask
= cpu_to_be32(0xffffffff),
178 /* mark it as special field */
179 .reserved1
= cpu_to_le16(BC_FILTER_MAGIC_IP
),
184 /* dhcp offer bcast */
186 .frame_type
= BCAST_FILTER_FRAME_TYPE_IPV4
,
189 /* udp dest port - 68 (bootp client)*/
190 .offset_type
= BCAST_FILTER_OFFSET_IP_END
,
191 .offset
= offsetof(struct udphdr
, dest
),
192 .val
= cpu_to_be32(0x00440000),
193 .mask
= cpu_to_be32(0xffff0000),
196 /* dhcp - lsb bytes of client hw address */
197 .offset_type
= BCAST_FILTER_OFFSET_IP_END
,
199 .mask
= cpu_to_be32(0xffffffff),
200 /* mark it as special field */
201 .reserved1
= cpu_to_le16(BC_FILTER_MAGIC_MAC
),
205 /* last filter must be empty */
210 void iwl_mvm_ref(struct iwl_mvm
*mvm
, enum iwl_mvm_ref_type ref_type
)
212 if (!iwl_mvm_is_d0i3_supported(mvm
))
215 IWL_DEBUG_RPM(mvm
, "Take mvm reference - type %d\n", ref_type
);
216 spin_lock_bh(&mvm
->refs_lock
);
217 mvm
->refs
[ref_type
]++;
218 spin_unlock_bh(&mvm
->refs_lock
);
219 iwl_trans_ref(mvm
->trans
);
222 void iwl_mvm_unref(struct iwl_mvm
*mvm
, enum iwl_mvm_ref_type ref_type
)
224 if (!iwl_mvm_is_d0i3_supported(mvm
))
227 IWL_DEBUG_RPM(mvm
, "Leave mvm reference - type %d\n", ref_type
);
228 spin_lock_bh(&mvm
->refs_lock
);
229 WARN_ON(!mvm
->refs
[ref_type
]--);
230 spin_unlock_bh(&mvm
->refs_lock
);
231 iwl_trans_unref(mvm
->trans
);
234 static void iwl_mvm_unref_all_except(struct iwl_mvm
*mvm
,
235 enum iwl_mvm_ref_type except_ref
)
239 if (!iwl_mvm_is_d0i3_supported(mvm
))
242 spin_lock_bh(&mvm
->refs_lock
);
243 for (i
= 0; i
< IWL_MVM_REF_COUNT
; i
++) {
244 if (except_ref
== i
|| !mvm
->refs
[i
])
247 IWL_DEBUG_RPM(mvm
, "Cleanup: remove mvm ref type %d (%d)\n",
249 for (j
= 0; j
< mvm
->refs
[i
]; j
++)
250 iwl_trans_unref(mvm
->trans
);
253 spin_unlock_bh(&mvm
->refs_lock
);
256 int iwl_mvm_ref_sync(struct iwl_mvm
*mvm
, enum iwl_mvm_ref_type ref_type
)
258 iwl_mvm_ref(mvm
, ref_type
);
260 if (!wait_event_timeout(mvm
->d0i3_exit_waitq
,
261 !test_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
),
264 iwl_mvm_unref(mvm
, ref_type
);
271 static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm
*mvm
)
275 memset(mvm
->phy_ctxts
, 0, sizeof(mvm
->phy_ctxts
));
276 for (i
= 0; i
< NUM_PHY_CTX
; i
++) {
277 mvm
->phy_ctxts
[i
].id
= i
;
278 mvm
->phy_ctxts
[i
].ref
= 0;
282 static int iwl_mvm_max_scan_ie_len(struct iwl_mvm
*mvm
)
284 /* we create the 802.11 header and SSID element */
285 if (mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_NO_BASIC_SSID
)
286 return mvm
->fw
->ucode_capa
.max_probe_length
- 24 - 2;
287 return mvm
->fw
->ucode_capa
.max_probe_length
- 24 - 34;
290 int iwl_mvm_mac_setup_register(struct iwl_mvm
*mvm
)
292 struct ieee80211_hw
*hw
= mvm
->hw
;
295 /* Tell mac80211 our characteristics */
296 hw
->flags
= IEEE80211_HW_SIGNAL_DBM
|
297 IEEE80211_HW_SPECTRUM_MGMT
|
298 IEEE80211_HW_REPORTS_TX_ACK_STATUS
|
299 IEEE80211_HW_QUEUE_CONTROL
|
300 IEEE80211_HW_WANT_MONITOR_VIF
|
301 IEEE80211_HW_SUPPORTS_PS
|
302 IEEE80211_HW_SUPPORTS_DYNAMIC_PS
|
303 IEEE80211_HW_AMPDU_AGGREGATION
|
304 IEEE80211_HW_TIMING_BEACON_ONLY
|
305 IEEE80211_HW_CONNECTION_MONITOR
|
306 IEEE80211_HW_CHANCTX_STA_CSA
|
307 IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS
|
308 IEEE80211_HW_SUPPORTS_STATIC_SMPS
;
310 hw
->queues
= mvm
->first_agg_queue
;
311 hw
->offchannel_tx_hw_queue
= IWL_MVM_OFFCHANNEL_QUEUE
;
312 hw
->radiotap_mcs_details
|= IEEE80211_RADIOTAP_MCS_HAVE_FEC
|
313 IEEE80211_RADIOTAP_MCS_HAVE_STBC
;
314 hw
->radiotap_vht_details
|= IEEE80211_RADIOTAP_VHT_KNOWN_STBC
;
315 hw
->rate_control_algorithm
= "iwl-mvm-rs";
318 * Enable 11w if advertised by firmware and software crypto
319 * is not enabled (as the firmware will interpret some mgmt
320 * packets, so enabling it with software crypto isn't safe)
322 if (mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_MFP
&&
323 !iwlwifi_mod_params
.sw_crypto
)
324 hw
->flags
|= IEEE80211_HW_MFP_CAPABLE
;
326 if (mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT
&&
327 IWL_UCODE_API(mvm
->fw
->ucode_ver
) >= 9 &&
328 !iwlwifi_mod_params
.uapsd_disable
) {
329 hw
->flags
|= IEEE80211_HW_SUPPORTS_UAPSD
;
330 hw
->uapsd_queues
= IWL_UAPSD_AC_INFO
;
331 hw
->uapsd_max_sp_len
= IWL_UAPSD_MAX_SP
;
334 if (mvm
->fw
->ucode_capa
.api
[0] & IWL_UCODE_TLV_API_LMAC_SCAN
)
335 hw
->flags
|= IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS
;
337 hw
->sta_data_size
= sizeof(struct iwl_mvm_sta
);
338 hw
->vif_data_size
= sizeof(struct iwl_mvm_vif
);
339 hw
->chanctx_data_size
= sizeof(u16
);
341 hw
->wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
) |
342 BIT(NL80211_IFTYPE_P2P_CLIENT
) |
343 BIT(NL80211_IFTYPE_AP
) |
344 BIT(NL80211_IFTYPE_P2P_GO
) |
345 BIT(NL80211_IFTYPE_P2P_DEVICE
) |
346 BIT(NL80211_IFTYPE_ADHOC
);
348 hw
->wiphy
->flags
|= WIPHY_FLAG_IBSS_RSN
;
349 hw
->wiphy
->regulatory_flags
|= REGULATORY_CUSTOM_REG
|
350 REGULATORY_DISABLE_BEACON_HINTS
;
352 if (mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_GO_UAPSD
)
353 hw
->wiphy
->flags
|= WIPHY_FLAG_AP_UAPSD
;
355 if (mvm
->fw
->ucode_capa
.api
[0] & IWL_UCODE_TLV_API_CSA_FLOW
)
356 hw
->wiphy
->flags
|= WIPHY_FLAG_HAS_CHANNEL_SWITCH
;
358 hw
->wiphy
->iface_combinations
= iwl_mvm_iface_combinations
;
359 hw
->wiphy
->n_iface_combinations
=
360 ARRAY_SIZE(iwl_mvm_iface_combinations
);
362 hw
->wiphy
->max_remain_on_channel_duration
= 10000;
363 hw
->max_listen_interval
= IWL_CONN_MAX_LISTEN_INTERVAL
;
365 /* Extract MAC address */
366 memcpy(mvm
->addresses
[0].addr
, mvm
->nvm_data
->hw_addr
, ETH_ALEN
);
367 hw
->wiphy
->addresses
= mvm
->addresses
;
368 hw
->wiphy
->n_addresses
= 1;
370 /* Extract additional MAC addresses if available */
371 num_mac
= (mvm
->nvm_data
->n_hw_addrs
> 1) ?
372 min(IWL_MVM_MAX_ADDRESSES
, mvm
->nvm_data
->n_hw_addrs
) : 1;
374 for (i
= 1; i
< num_mac
; i
++) {
375 memcpy(mvm
->addresses
[i
].addr
, mvm
->addresses
[i
-1].addr
,
377 mvm
->addresses
[i
].addr
[5]++;
378 hw
->wiphy
->n_addresses
++;
381 iwl_mvm_reset_phy_ctxts(mvm
);
383 hw
->wiphy
->max_scan_ie_len
= iwl_mvm_max_scan_ie_len(mvm
);
385 hw
->wiphy
->max_scan_ssids
= PROBE_OPTION_MAX
;
387 if (mvm
->nvm_data
->bands
[IEEE80211_BAND_2GHZ
].n_channels
)
388 hw
->wiphy
->bands
[IEEE80211_BAND_2GHZ
] =
389 &mvm
->nvm_data
->bands
[IEEE80211_BAND_2GHZ
];
390 if (mvm
->nvm_data
->bands
[IEEE80211_BAND_5GHZ
].n_channels
)
391 hw
->wiphy
->bands
[IEEE80211_BAND_5GHZ
] =
392 &mvm
->nvm_data
->bands
[IEEE80211_BAND_5GHZ
];
394 hw
->wiphy
->hw_version
= mvm
->trans
->hw_id
;
396 if (iwlmvm_mod_params
.power_scheme
!= IWL_POWER_SCHEME_CAM
)
397 hw
->wiphy
->flags
|= WIPHY_FLAG_PS_ON_BY_DEFAULT
;
399 hw
->wiphy
->flags
&= ~WIPHY_FLAG_PS_ON_BY_DEFAULT
;
401 if (IWL_UCODE_API(mvm
->fw
->ucode_ver
) >= 10) {
402 hw
->wiphy
->flags
|= WIPHY_FLAG_SUPPORTS_SCHED_SCAN
;
403 hw
->wiphy
->max_sched_scan_ssids
= PROBE_OPTION_MAX
;
404 hw
->wiphy
->max_match_sets
= IWL_SCAN_MAX_PROFILES
;
405 /* we create the 802.11 header and zero length SSID IE. */
406 hw
->wiphy
->max_sched_scan_ie_len
=
407 SCAN_OFFLOAD_PROBE_REQ_SIZE
- 24 - 2;
410 hw
->wiphy
->features
|= NL80211_FEATURE_P2P_GO_CTWIN
|
411 NL80211_FEATURE_LOW_PRIORITY_SCAN
|
412 NL80211_FEATURE_P2P_GO_OPPPS
;
414 mvm
->rts_threshold
= IEEE80211_MAX_RTS_THRESHOLD
;
416 /* currently FW API supports only one optional cipher scheme */
417 if (mvm
->fw
->cs
[0].cipher
) {
418 mvm
->hw
->n_cipher_schemes
= 1;
419 mvm
->hw
->cipher_schemes
= &mvm
->fw
->cs
[0];
422 #ifdef CONFIG_PM_SLEEP
423 if (iwl_mvm_is_d0i3_supported(mvm
) &&
424 device_can_wakeup(mvm
->trans
->dev
)) {
425 mvm
->wowlan
.flags
= WIPHY_WOWLAN_ANY
;
426 hw
->wiphy
->wowlan
= &mvm
->wowlan
;
427 } else if (mvm
->fw
->img
[IWL_UCODE_WOWLAN
].sec
[0].len
&&
428 mvm
->trans
->ops
->d3_suspend
&&
429 mvm
->trans
->ops
->d3_resume
&&
430 device_can_wakeup(mvm
->trans
->dev
)) {
431 mvm
->wowlan
.flags
= WIPHY_WOWLAN_MAGIC_PKT
|
432 WIPHY_WOWLAN_DISCONNECT
|
433 WIPHY_WOWLAN_EAP_IDENTITY_REQ
|
434 WIPHY_WOWLAN_RFKILL_RELEASE
;
435 if (!iwlwifi_mod_params
.sw_crypto
)
436 mvm
->wowlan
.flags
|= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
|
437 WIPHY_WOWLAN_GTK_REKEY_FAILURE
|
438 WIPHY_WOWLAN_4WAY_HANDSHAKE
;
440 mvm
->wowlan
.n_patterns
= IWL_WOWLAN_MAX_PATTERNS
;
441 mvm
->wowlan
.pattern_min_len
= IWL_WOWLAN_MIN_PATTERN_LEN
;
442 mvm
->wowlan
.pattern_max_len
= IWL_WOWLAN_MAX_PATTERN_LEN
;
443 mvm
->wowlan
.tcp
= &iwl_mvm_wowlan_tcp_support
;
444 hw
->wiphy
->wowlan
= &mvm
->wowlan
;
448 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
449 /* assign default bcast filtering configuration */
450 mvm
->bcast_filters
= iwl_mvm_default_bcast_filters
;
453 ret
= iwl_mvm_leds_init(mvm
);
457 ret
= ieee80211_register_hw(mvm
->hw
);
459 iwl_mvm_leds_exit(mvm
);
464 static bool iwl_mvm_defer_tx(struct iwl_mvm
*mvm
,
465 struct ieee80211_sta
*sta
,
468 struct iwl_mvm_sta
*mvmsta
;
472 * double check the IN_D0I3 flag both before and after
473 * taking the spinlock, in order to prevent taking
474 * the spinlock when not needed.
476 if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
)))
479 spin_lock(&mvm
->d0i3_tx_lock
);
481 * testing the flag again ensures the skb dequeue
482 * loop (on d0i3 exit) hasn't run yet.
484 if (!test_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
))
487 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
488 if (mvmsta
->sta_id
== IWL_MVM_STATION_COUNT
||
489 mvmsta
->sta_id
!= mvm
->d0i3_ap_sta_id
)
492 __skb_queue_tail(&mvm
->d0i3_tx
, skb
);
493 ieee80211_stop_queues(mvm
->hw
);
496 iwl_mvm_ref(mvm
, IWL_MVM_REF_TX
);
497 iwl_mvm_unref(mvm
, IWL_MVM_REF_TX
);
501 spin_unlock(&mvm
->d0i3_tx_lock
);
505 static void iwl_mvm_mac_tx(struct ieee80211_hw
*hw
,
506 struct ieee80211_tx_control
*control
,
509 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
510 struct ieee80211_sta
*sta
= control
->sta
;
511 struct ieee80211_tx_info
*info
= IEEE80211_SKB_CB(skb
);
512 struct ieee80211_hdr
*hdr
= (void *)skb
->data
;
514 if (iwl_mvm_is_radio_killed(mvm
)) {
515 IWL_DEBUG_DROP(mvm
, "Dropping - RF/CT KILL\n");
519 if (IEEE80211_SKB_CB(skb
)->hw_queue
== IWL_MVM_OFFCHANNEL_QUEUE
&&
520 !test_bit(IWL_MVM_STATUS_ROC_RUNNING
, &mvm
->status
))
523 /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */
524 if (unlikely(info
->flags
& IEEE80211_TX_CTL_NO_PS_BUFFER
&&
525 ieee80211_is_mgmt(hdr
->frame_control
) &&
526 !ieee80211_is_deauth(hdr
->frame_control
) &&
527 !ieee80211_is_disassoc(hdr
->frame_control
) &&
528 !ieee80211_is_action(hdr
->frame_control
)))
532 if (iwl_mvm_defer_tx(mvm
, sta
, skb
))
534 if (iwl_mvm_tx_skb(mvm
, skb
, sta
))
539 if (iwl_mvm_tx_skb_non_sta(mvm
, skb
))
543 ieee80211_free_txskb(hw
, skb
);
546 static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg
*cfg
)
548 if (iwlwifi_mod_params
.disable_11n
& IWL_DISABLE_HT_RXAGG
)
553 static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg
*cfg
)
555 if (iwlwifi_mod_params
.disable_11n
& IWL_DISABLE_HT_TXAGG
)
557 if (iwlwifi_mod_params
.disable_11n
& IWL_ENABLE_HT_TXAGG
)
560 /* enabled by default */
564 static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw
*hw
,
565 struct ieee80211_vif
*vif
,
566 enum ieee80211_ampdu_mlme_action action
,
567 struct ieee80211_sta
*sta
, u16 tid
,
568 u16
*ssn
, u8 buf_size
)
570 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
572 bool tx_agg_ref
= false;
574 IWL_DEBUG_HT(mvm
, "A-MPDU action on addr %pM tid %d: action %d\n",
575 sta
->addr
, tid
, action
);
577 if (!(mvm
->nvm_data
->sku_cap_11n_enable
))
580 /* return from D0i3 before starting a new Tx aggregation */
582 case IEEE80211_AMPDU_TX_START
:
583 case IEEE80211_AMPDU_TX_STOP_CONT
:
584 case IEEE80211_AMPDU_TX_STOP_FLUSH
:
585 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT
:
586 case IEEE80211_AMPDU_TX_OPERATIONAL
:
588 * for tx start, wait synchronously until D0i3 exit to
589 * get the correct sequence number for the tid.
590 * additionally, some other ampdu actions use direct
591 * target access, which is not handled automatically
592 * by the trans layer (unlike commands), so wait for
593 * d0i3 exit in these cases as well.
595 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_TX_AGG
);
605 mutex_lock(&mvm
->mutex
);
608 case IEEE80211_AMPDU_RX_START
:
609 if (!iwl_enable_rx_ampdu(mvm
->cfg
)) {
613 ret
= iwl_mvm_sta_rx_agg(mvm
, sta
, tid
, *ssn
, true);
615 case IEEE80211_AMPDU_RX_STOP
:
616 ret
= iwl_mvm_sta_rx_agg(mvm
, sta
, tid
, 0, false);
618 case IEEE80211_AMPDU_TX_START
:
619 if (!iwl_enable_tx_ampdu(mvm
->cfg
)) {
623 ret
= iwl_mvm_sta_tx_agg_start(mvm
, vif
, sta
, tid
, ssn
);
625 case IEEE80211_AMPDU_TX_STOP_CONT
:
626 ret
= iwl_mvm_sta_tx_agg_stop(mvm
, vif
, sta
, tid
);
628 case IEEE80211_AMPDU_TX_STOP_FLUSH
:
629 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT
:
630 ret
= iwl_mvm_sta_tx_agg_flush(mvm
, vif
, sta
, tid
);
632 case IEEE80211_AMPDU_TX_OPERATIONAL
:
633 ret
= iwl_mvm_sta_tx_agg_oper(mvm
, vif
, sta
, tid
, buf_size
);
640 mutex_unlock(&mvm
->mutex
);
643 * If the tid is marked as started, we won't use it for offloaded
644 * traffic on the next D0i3 entry. It's safe to unref.
647 iwl_mvm_unref(mvm
, IWL_MVM_REF_TX_AGG
);
652 static void iwl_mvm_cleanup_iterator(void *data
, u8
*mac
,
653 struct ieee80211_vif
*vif
)
655 struct iwl_mvm
*mvm
= data
;
656 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
658 mvmvif
->uploaded
= false;
659 mvmvif
->ap_sta_id
= IWL_MVM_STATION_COUNT
;
661 /* does this make sense at all? */
664 spin_lock_bh(&mvm
->time_event_lock
);
665 iwl_mvm_te_clear_data(mvm
, &mvmvif
->time_event_data
);
666 spin_unlock_bh(&mvm
->time_event_lock
);
668 mvmvif
->phy_ctxt
= NULL
;
669 memset(&mvmvif
->bf_data
, 0, sizeof(mvmvif
->bf_data
));
672 #ifdef CONFIG_IWLWIFI_DEBUGFS
673 static void iwl_mvm_fw_error_dump(struct iwl_mvm
*mvm
)
675 struct iwl_fw_error_dump_file
*dump_file
;
676 struct iwl_fw_error_dump_data
*dump_data
;
677 struct iwl_fw_error_dump_info
*dump_info
;
678 struct iwl_mvm_dump_ptrs
*fw_error_dump
;
679 const struct fw_img
*img
;
680 u32 sram_len
, sram_ofs
;
681 u32 file_len
, rxf_len
;
685 lockdep_assert_held(&mvm
->mutex
);
687 if (mvm
->fw_error_dump
)
690 fw_error_dump
= kzalloc(sizeof(*mvm
->fw_error_dump
), GFP_KERNEL
);
694 img
= &mvm
->fw
->img
[mvm
->cur_ucode
];
695 sram_ofs
= img
->sec
[IWL_UCODE_SECTION_DATA
].offset
;
696 sram_len
= img
->sec
[IWL_UCODE_SECTION_DATA
].len
;
698 /* reading buffer size */
699 reg_val
= iwl_trans_read_prph(mvm
->trans
, RXF_SIZE_ADDR
);
700 rxf_len
= (reg_val
& RXF_SIZE_BYTE_CNT_MSK
) >> RXF_SIZE_BYTE_CND_POS
;
702 /* the register holds the value divided by 128 */
703 rxf_len
= rxf_len
<< 7;
705 file_len
= sizeof(*dump_file
) +
706 sizeof(*dump_data
) * 3 +
711 dump_file
= vzalloc(file_len
);
713 kfree(fw_error_dump
);
717 fw_error_dump
->op_mode_ptr
= dump_file
;
719 dump_file
->barker
= cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER
);
720 dump_data
= (void *)dump_file
->data
;
722 dump_data
->type
= cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO
);
723 dump_data
->len
= cpu_to_le32(sizeof(*dump_info
));
724 dump_info
= (void *) dump_data
->data
;
725 dump_info
->device_family
=
726 mvm
->cfg
->device_family
== IWL_DEVICE_FAMILY_7000
?
727 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_7
) :
728 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_8
);
729 memcpy(dump_info
->fw_human_readable
, mvm
->fw
->human_readable
,
730 sizeof(dump_info
->fw_human_readable
));
731 strncpy(dump_info
->dev_human_readable
, mvm
->cfg
->name
,
732 sizeof(dump_info
->dev_human_readable
));
733 strncpy(dump_info
->bus_human_readable
, mvm
->dev
->bus
->name
,
734 sizeof(dump_info
->bus_human_readable
));
736 dump_data
= iwl_fw_error_next_data(dump_data
);
737 dump_data
->type
= cpu_to_le32(IWL_FW_ERROR_DUMP_RXF
);
738 dump_data
->len
= cpu_to_le32(rxf_len
);
740 if (iwl_trans_grab_nic_access(mvm
->trans
, false, &flags
)) {
741 u32
*rxf
= (void *)dump_data
->data
;
744 for (i
= 0; i
< (rxf_len
/ sizeof(u32
)); i
++) {
745 iwl_trans_write_prph(mvm
->trans
,
746 RXF_LD_FENCE_OFFSET_ADDR
,
748 rxf
[i
] = iwl_trans_read_prph(mvm
->trans
,
749 RXF_FIFO_RD_FENCE_ADDR
);
751 iwl_trans_release_nic_access(mvm
->trans
, &flags
);
754 dump_data
= iwl_fw_error_next_data(dump_data
);
755 dump_data
->type
= cpu_to_le32(IWL_FW_ERROR_DUMP_SRAM
);
756 dump_data
->len
= cpu_to_le32(sram_len
);
757 iwl_trans_read_mem_bytes(mvm
->trans
, sram_ofs
, dump_data
->data
,
760 fw_error_dump
->trans_ptr
= iwl_trans_dump_data(mvm
->trans
);
761 fw_error_dump
->op_mode_len
= file_len
;
762 if (fw_error_dump
->trans_ptr
)
763 file_len
+= fw_error_dump
->trans_ptr
->len
;
764 dump_file
->file_len
= cpu_to_le32(file_len
);
765 mvm
->fw_error_dump
= fw_error_dump
;
769 static void iwl_mvm_restart_cleanup(struct iwl_mvm
*mvm
)
771 #ifdef CONFIG_IWLWIFI_DEBUGFS
772 static char *env
[] = { "DRIVER=iwlwifi", "EVENT=error_dump", NULL
};
774 iwl_mvm_fw_error_dump(mvm
);
776 /* notify the userspace about the error we had */
777 kobject_uevent_env(&mvm
->hw
->wiphy
->dev
.kobj
, KOBJ_CHANGE
, env
);
780 iwl_trans_stop_device(mvm
->trans
);
782 mvm
->scan_status
= IWL_MVM_SCAN_NONE
;
783 mvm
->ps_disabled
= false;
785 /* just in case one was running */
786 ieee80211_remain_on_channel_expired(mvm
->hw
);
788 ieee80211_iterate_active_interfaces_atomic(
789 mvm
->hw
, IEEE80211_IFACE_ITER_RESUME_ALL
,
790 iwl_mvm_cleanup_iterator
, mvm
);
792 mvm
->p2p_device_vif
= NULL
;
793 mvm
->d0i3_ap_sta_id
= IWL_MVM_STATION_COUNT
;
795 iwl_mvm_reset_phy_ctxts(mvm
);
796 memset(mvm
->fw_key_table
, 0, sizeof(mvm
->fw_key_table
));
797 memset(mvm
->sta_drained
, 0, sizeof(mvm
->sta_drained
));
798 memset(&mvm
->last_bt_notif
, 0, sizeof(mvm
->last_bt_notif
));
799 memset(&mvm
->last_bt_notif_old
, 0, sizeof(mvm
->last_bt_notif_old
));
800 memset(&mvm
->last_bt_ci_cmd
, 0, sizeof(mvm
->last_bt_ci_cmd
));
801 memset(&mvm
->last_bt_ci_cmd_old
, 0, sizeof(mvm
->last_bt_ci_cmd_old
));
802 memset(&mvm
->bt_ack_kill_msk
, 0, sizeof(mvm
->bt_ack_kill_msk
));
803 memset(&mvm
->bt_cts_kill_msk
, 0, sizeof(mvm
->bt_cts_kill_msk
));
805 ieee80211_wake_queues(mvm
->hw
);
807 /* cleanup all stale references (scan, roc), but keep the
808 * ucode_down ref until reconfig is complete */
809 iwl_mvm_unref_all_except(mvm
, IWL_MVM_REF_UCODE_DOWN
);
811 /* clear any stale d0i3 state */
812 clear_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
);
815 mvm
->rx_ba_sessions
= 0;
818 static int iwl_mvm_mac_start(struct ieee80211_hw
*hw
)
820 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
823 mutex_lock(&mvm
->mutex
);
825 /* Clean up some internal and mac80211 state on restart */
826 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
))
827 iwl_mvm_restart_cleanup(mvm
);
829 ret
= iwl_mvm_up(mvm
);
831 if (ret
&& test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
)) {
832 /* Something went wrong - we need to finish some cleanup
833 * that normally iwl_mvm_mac_restart_complete() below
836 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
);
837 iwl_mvm_d0i3_enable_tx(mvm
, NULL
);
840 mutex_unlock(&mvm
->mutex
);
845 static void iwl_mvm_mac_restart_complete(struct ieee80211_hw
*hw
)
847 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
850 mutex_lock(&mvm
->mutex
);
852 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
);
853 iwl_mvm_d0i3_enable_tx(mvm
, NULL
);
854 ret
= iwl_mvm_update_quotas(mvm
, NULL
);
856 IWL_ERR(mvm
, "Failed to update quotas after restart (%d)\n",
859 /* allow transport/FW low power modes */
860 iwl_mvm_unref(mvm
, IWL_MVM_REF_UCODE_DOWN
);
862 mutex_unlock(&mvm
->mutex
);
865 static void iwl_mvm_mac_stop(struct ieee80211_hw
*hw
)
867 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
869 flush_work(&mvm
->d0i3_exit_work
);
870 flush_work(&mvm
->async_handlers_wk
);
872 mutex_lock(&mvm
->mutex
);
874 /* disallow low power states when the FW is down */
875 iwl_mvm_ref(mvm
, IWL_MVM_REF_UCODE_DOWN
);
877 /* async_handlers_wk is now blocked */
880 * The work item could be running or queued if the
881 * ROC time event stops just as we get here.
883 cancel_work_sync(&mvm
->roc_done_wk
);
885 iwl_trans_stop_device(mvm
->trans
);
887 iwl_mvm_async_handlers_purge(mvm
);
888 /* async_handlers_list is empty and will stay empty: HW is stopped */
890 /* the fw is stopped, the aux sta is dead: clean up driver state */
891 iwl_mvm_del_aux_sta(mvm
);
893 mvm
->ucode_loaded
= false;
895 mutex_unlock(&mvm
->mutex
);
898 * The worker might have been waiting for the mutex, let it run and
899 * discover that its list is now empty.
901 cancel_work_sync(&mvm
->async_handlers_wk
);
904 static struct iwl_mvm_phy_ctxt
*iwl_mvm_get_free_phy_ctxt(struct iwl_mvm
*mvm
)
908 lockdep_assert_held(&mvm
->mutex
);
910 for (i
= 0; i
< NUM_PHY_CTX
; i
++)
911 if (!mvm
->phy_ctxts
[i
].ref
)
912 return &mvm
->phy_ctxts
[i
];
914 IWL_ERR(mvm
, "No available PHY context\n");
918 static int iwl_mvm_set_tx_power(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
921 /* FW is in charge of regulatory enforcement */
922 struct iwl_reduce_tx_power_cmd reduce_txpwr_cmd
= {
923 .mac_context_id
= iwl_mvm_vif_from_mac80211(vif
)->id
,
924 .pwr_restriction
= cpu_to_le16(tx_power
),
927 return iwl_mvm_send_cmd_pdu(mvm
, REDUCE_TX_POWER_CMD
, 0,
928 sizeof(reduce_txpwr_cmd
),
932 static int iwl_mvm_mac_add_interface(struct ieee80211_hw
*hw
,
933 struct ieee80211_vif
*vif
)
935 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
936 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
940 * make sure D0i3 exit is completed, otherwise a target access
941 * during tx queue configuration could be done when still in
944 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_ADD_IF
);
949 * Not much to do here. The stack will not allow interface
950 * types or combinations that we didn't advertise, so we
951 * don't really have to check the types.
954 mutex_lock(&mvm
->mutex
);
956 /* Allocate resources for the MAC context, and add it to the fw */
957 ret
= iwl_mvm_mac_ctxt_init(mvm
, vif
);
961 /* Counting number of interfaces is needed for legacy PM */
962 if (vif
->type
!= NL80211_IFTYPE_P2P_DEVICE
)
966 * The AP binding flow can be done only after the beacon
967 * template is configured (which happens only in the mac80211
968 * start_ap() flow), and adding the broadcast station can happen
969 * only after the binding.
970 * In addition, since modifying the MAC before adding a bcast
971 * station is not allowed by the FW, delay the adding of MAC context to
972 * the point where we can also add the bcast station.
973 * In short: there's not much we can do at this point, other than
974 * allocating resources :)
976 if (vif
->type
== NL80211_IFTYPE_AP
||
977 vif
->type
== NL80211_IFTYPE_ADHOC
) {
978 ret
= iwl_mvm_alloc_bcast_sta(mvm
, vif
);
980 IWL_ERR(mvm
, "Failed to allocate bcast sta\n");
984 iwl_mvm_vif_dbgfs_register(mvm
, vif
);
988 ret
= iwl_mvm_mac_ctxt_add(mvm
, vif
);
992 ret
= iwl_mvm_power_update_mac(mvm
);
996 /* beacon filtering */
997 ret
= iwl_mvm_disable_beacon_filter(mvm
, vif
, 0);
1001 if (!mvm
->bf_allowed_vif
&&
1002 vif
->type
== NL80211_IFTYPE_STATION
&& !vif
->p2p
) {
1003 mvm
->bf_allowed_vif
= mvmvif
;
1004 vif
->driver_flags
|= IEEE80211_VIF_BEACON_FILTER
|
1005 IEEE80211_VIF_SUPPORTS_CQM_RSSI
;
1009 * P2P_DEVICE interface does not have a channel context assigned to it,
1010 * so a dedicated PHY context is allocated to it and the corresponding
1011 * MAC context is bound to it at this stage.
1013 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
1015 mvmvif
->phy_ctxt
= iwl_mvm_get_free_phy_ctxt(mvm
);
1016 if (!mvmvif
->phy_ctxt
) {
1021 iwl_mvm_phy_ctxt_ref(mvm
, mvmvif
->phy_ctxt
);
1022 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
1026 ret
= iwl_mvm_add_bcast_sta(mvm
, vif
);
1030 /* Save a pointer to p2p device vif, so it can later be used to
1031 * update the p2p device MAC when a GO is started/stopped */
1032 mvm
->p2p_device_vif
= vif
;
1035 iwl_mvm_vif_dbgfs_register(mvm
, vif
);
1039 iwl_mvm_binding_remove_vif(mvm
, vif
);
1041 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
1043 if (mvm
->bf_allowed_vif
== mvmvif
) {
1044 mvm
->bf_allowed_vif
= NULL
;
1045 vif
->driver_flags
&= ~(IEEE80211_VIF_BEACON_FILTER
|
1046 IEEE80211_VIF_SUPPORTS_CQM_RSSI
);
1049 mvmvif
->phy_ctxt
= NULL
;
1050 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
1052 if (vif
->type
!= NL80211_IFTYPE_P2P_DEVICE
)
1055 iwl_mvm_mac_ctxt_release(mvm
, vif
);
1057 mutex_unlock(&mvm
->mutex
);
1059 iwl_mvm_unref(mvm
, IWL_MVM_REF_ADD_IF
);
1064 static void iwl_mvm_prepare_mac_removal(struct iwl_mvm
*mvm
,
1065 struct ieee80211_vif
*vif
)
1067 u32 tfd_msk
= iwl_mvm_mac_get_queues_mask(mvm
, vif
);
1070 mutex_lock(&mvm
->mutex
);
1071 iwl_mvm_flush_tx_path(mvm
, tfd_msk
, true);
1072 mutex_unlock(&mvm
->mutex
);
1075 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
1077 * Flush the ROC worker which will flush the OFFCHANNEL queue.
1078 * We assume here that all the packets sent to the OFFCHANNEL
1079 * queue are sent in ROC session.
1081 flush_work(&mvm
->roc_done_wk
);
1084 * By now, all the AC queues are empty. The AGG queues are
1085 * empty too. We already got all the Tx responses for all the
1086 * packets in the queues. The drain work can have been
1087 * triggered. Flush it.
1089 flush_work(&mvm
->sta_drained_wk
);
1093 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw
*hw
,
1094 struct ieee80211_vif
*vif
)
1096 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1097 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1099 iwl_mvm_prepare_mac_removal(mvm
, vif
);
1101 mutex_lock(&mvm
->mutex
);
1103 if (mvm
->bf_allowed_vif
== mvmvif
) {
1104 mvm
->bf_allowed_vif
= NULL
;
1105 vif
->driver_flags
&= ~(IEEE80211_VIF_BEACON_FILTER
|
1106 IEEE80211_VIF_SUPPORTS_CQM_RSSI
);
1109 iwl_mvm_vif_dbgfs_clean(mvm
, vif
);
1112 * For AP/GO interface, the tear down of the resources allocated to the
1113 * interface is be handled as part of the stop_ap flow.
1115 if (vif
->type
== NL80211_IFTYPE_AP
||
1116 vif
->type
== NL80211_IFTYPE_ADHOC
) {
1117 #ifdef CONFIG_NL80211_TESTMODE
1118 if (vif
== mvm
->noa_vif
) {
1119 mvm
->noa_vif
= NULL
;
1120 mvm
->noa_duration
= 0;
1123 iwl_mvm_dealloc_bcast_sta(mvm
, vif
);
1127 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
1128 mvm
->p2p_device_vif
= NULL
;
1129 iwl_mvm_rm_bcast_sta(mvm
, vif
);
1130 iwl_mvm_binding_remove_vif(mvm
, vif
);
1131 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
1132 mvmvif
->phy_ctxt
= NULL
;
1135 if (mvm
->vif_count
&& vif
->type
!= NL80211_IFTYPE_P2P_DEVICE
)
1138 iwl_mvm_power_update_mac(mvm
);
1139 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
1142 iwl_mvm_mac_ctxt_release(mvm
, vif
);
1143 mutex_unlock(&mvm
->mutex
);
1146 static int iwl_mvm_mac_config(struct ieee80211_hw
*hw
, u32 changed
)
1151 struct iwl_mvm_mc_iter_data
{
1152 struct iwl_mvm
*mvm
;
1156 static void iwl_mvm_mc_iface_iterator(void *_data
, u8
*mac
,
1157 struct ieee80211_vif
*vif
)
1159 struct iwl_mvm_mc_iter_data
*data
= _data
;
1160 struct iwl_mvm
*mvm
= data
->mvm
;
1161 struct iwl_mcast_filter_cmd
*cmd
= mvm
->mcast_filter_cmd
;
1164 /* if we don't have free ports, mcast frames will be dropped */
1165 if (WARN_ON_ONCE(data
->port_id
>= MAX_PORT_ID_NUM
))
1168 if (vif
->type
!= NL80211_IFTYPE_STATION
||
1169 !vif
->bss_conf
.assoc
)
1172 cmd
->port_id
= data
->port_id
++;
1173 memcpy(cmd
->bssid
, vif
->bss_conf
.bssid
, ETH_ALEN
);
1174 len
= roundup(sizeof(*cmd
) + cmd
->count
* ETH_ALEN
, 4);
1176 ret
= iwl_mvm_send_cmd_pdu(mvm
, MCAST_FILTER_CMD
, CMD_ASYNC
, len
, cmd
);
1178 IWL_ERR(mvm
, "mcast filter cmd error. ret=%d\n", ret
);
1181 static void iwl_mvm_recalc_multicast(struct iwl_mvm
*mvm
)
1183 struct iwl_mvm_mc_iter_data iter_data
= {
1187 lockdep_assert_held(&mvm
->mutex
);
1189 if (WARN_ON_ONCE(!mvm
->mcast_filter_cmd
))
1192 ieee80211_iterate_active_interfaces_atomic(
1193 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
1194 iwl_mvm_mc_iface_iterator
, &iter_data
);
1197 static u64
iwl_mvm_prepare_multicast(struct ieee80211_hw
*hw
,
1198 struct netdev_hw_addr_list
*mc_list
)
1200 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1201 struct iwl_mcast_filter_cmd
*cmd
;
1202 struct netdev_hw_addr
*addr
;
1207 addr_count
= netdev_hw_addr_list_count(mc_list
);
1208 pass_all
= addr_count
> MAX_MCAST_FILTERING_ADDRESSES
||
1209 IWL_MVM_FW_MCAST_FILTER_PASS_ALL
;
1213 len
= roundup(sizeof(*cmd
) + addr_count
* ETH_ALEN
, 4);
1214 cmd
= kzalloc(len
, GFP_ATOMIC
);
1220 return (u64
)(unsigned long)cmd
;
1223 netdev_hw_addr_list_for_each(addr
, mc_list
) {
1224 IWL_DEBUG_MAC80211(mvm
, "mcast addr (%d): %pM\n",
1225 cmd
->count
, addr
->addr
);
1226 memcpy(&cmd
->addr_list
[cmd
->count
* ETH_ALEN
],
1227 addr
->addr
, ETH_ALEN
);
1231 return (u64
)(unsigned long)cmd
;
1234 static void iwl_mvm_configure_filter(struct ieee80211_hw
*hw
,
1235 unsigned int changed_flags
,
1236 unsigned int *total_flags
,
1239 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1240 struct iwl_mcast_filter_cmd
*cmd
= (void *)(unsigned long)multicast
;
1242 mutex_lock(&mvm
->mutex
);
1244 /* replace previous configuration */
1245 kfree(mvm
->mcast_filter_cmd
);
1246 mvm
->mcast_filter_cmd
= cmd
;
1251 iwl_mvm_recalc_multicast(mvm
);
1253 mutex_unlock(&mvm
->mutex
);
1257 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1258 struct iwl_bcast_iter_data
{
1259 struct iwl_mvm
*mvm
;
1260 struct iwl_bcast_filter_cmd
*cmd
;
1265 iwl_mvm_set_bcast_filter(struct ieee80211_vif
*vif
,
1266 const struct iwl_fw_bcast_filter
*in_filter
,
1267 struct iwl_fw_bcast_filter
*out_filter
)
1269 struct iwl_fw_bcast_filter_attr
*attr
;
1272 memcpy(out_filter
, in_filter
, sizeof(*out_filter
));
1274 for (i
= 0; i
< ARRAY_SIZE(out_filter
->attrs
); i
++) {
1275 attr
= &out_filter
->attrs
[i
];
1280 switch (attr
->reserved1
) {
1281 case cpu_to_le16(BC_FILTER_MAGIC_IP
):
1282 if (vif
->bss_conf
.arp_addr_cnt
!= 1) {
1287 attr
->val
= vif
->bss_conf
.arp_addr_list
[0];
1289 case cpu_to_le16(BC_FILTER_MAGIC_MAC
):
1290 attr
->val
= *(__be32
*)&vif
->addr
[2];
1295 attr
->reserved1
= 0;
1296 out_filter
->num_attrs
++;
1300 static void iwl_mvm_bcast_filter_iterator(void *_data
, u8
*mac
,
1301 struct ieee80211_vif
*vif
)
1303 struct iwl_bcast_iter_data
*data
= _data
;
1304 struct iwl_mvm
*mvm
= data
->mvm
;
1305 struct iwl_bcast_filter_cmd
*cmd
= data
->cmd
;
1306 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1307 struct iwl_fw_bcast_mac
*bcast_mac
;
1310 if (WARN_ON(mvmvif
->id
>= ARRAY_SIZE(cmd
->macs
)))
1313 bcast_mac
= &cmd
->macs
[mvmvif
->id
];
1316 * enable filtering only for associated stations, but not for P2P
1319 if (vif
->type
!= NL80211_IFTYPE_STATION
|| vif
->p2p
||
1320 !vif
->bss_conf
.assoc
)
1323 bcast_mac
->default_discard
= 1;
1325 /* copy all configured filters */
1326 for (i
= 0; mvm
->bcast_filters
[i
].attrs
[0].mask
; i
++) {
1328 * Make sure we don't exceed our filters limit.
1329 * if there is still a valid filter to be configured,
1330 * be on the safe side and just allow bcast for this mac.
1332 if (WARN_ON_ONCE(data
->current_filter
>=
1333 ARRAY_SIZE(cmd
->filters
))) {
1334 bcast_mac
->default_discard
= 0;
1335 bcast_mac
->attached_filters
= 0;
1339 iwl_mvm_set_bcast_filter(vif
,
1340 &mvm
->bcast_filters
[i
],
1341 &cmd
->filters
[data
->current_filter
]);
1343 /* skip current filter if it contains no attributes */
1344 if (!cmd
->filters
[data
->current_filter
].num_attrs
)
1347 /* attach the filter to current mac */
1348 bcast_mac
->attached_filters
|=
1349 cpu_to_le16(BIT(data
->current_filter
));
1351 data
->current_filter
++;
1355 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm
*mvm
,
1356 struct iwl_bcast_filter_cmd
*cmd
)
1358 struct iwl_bcast_iter_data iter_data
= {
1363 memset(cmd
, 0, sizeof(*cmd
));
1364 cmd
->max_bcast_filters
= ARRAY_SIZE(cmd
->filters
);
1365 cmd
->max_macs
= ARRAY_SIZE(cmd
->macs
);
1367 #ifdef CONFIG_IWLWIFI_DEBUGFS
1368 /* use debugfs filters/macs if override is configured */
1369 if (mvm
->dbgfs_bcast_filtering
.override
) {
1370 memcpy(cmd
->filters
, &mvm
->dbgfs_bcast_filtering
.cmd
.filters
,
1371 sizeof(cmd
->filters
));
1372 memcpy(cmd
->macs
, &mvm
->dbgfs_bcast_filtering
.cmd
.macs
,
1378 /* if no filters are configured, do nothing */
1379 if (!mvm
->bcast_filters
)
1382 /* configure and attach these filters for each associated sta vif */
1383 ieee80211_iterate_active_interfaces(
1384 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
1385 iwl_mvm_bcast_filter_iterator
, &iter_data
);
1389 static int iwl_mvm_configure_bcast_filter(struct iwl_mvm
*mvm
,
1390 struct ieee80211_vif
*vif
)
1392 struct iwl_bcast_filter_cmd cmd
;
1394 if (!(mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_BCAST_FILTERING
))
1397 if (!iwl_mvm_bcast_filter_build_cmd(mvm
, &cmd
))
1400 return iwl_mvm_send_cmd_pdu(mvm
, BCAST_FILTER_CMD
, 0,
1404 static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm
*mvm
,
1405 struct ieee80211_vif
*vif
)
1411 static void iwl_mvm_teardown_tdls_peers(struct iwl_mvm
*mvm
)
1413 struct ieee80211_sta
*sta
;
1414 struct iwl_mvm_sta
*mvmsta
;
1417 lockdep_assert_held(&mvm
->mutex
);
1419 for (i
= 0; i
< IWL_MVM_STATION_COUNT
; i
++) {
1420 sta
= rcu_dereference_protected(mvm
->fw_id_to_mac_id
[i
],
1421 lockdep_is_held(&mvm
->mutex
));
1422 if (!sta
|| IS_ERR(sta
) || !sta
->tdls
)
1425 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
1426 ieee80211_tdls_oper_request(mvmsta
->vif
, sta
->addr
,
1427 NL80211_TDLS_TEARDOWN
,
1428 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED
,
1433 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm
*mvm
,
1434 struct ieee80211_vif
*vif
,
1435 struct ieee80211_bss_conf
*bss_conf
,
1438 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1442 * Re-calculate the tsf id, as the master-slave relations depend on the
1443 * beacon interval, which was not known when the station interface was
1446 if (changes
& BSS_CHANGED_ASSOC
&& bss_conf
->assoc
)
1447 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm
, vif
);
1450 * If we're not associated yet, take the (new) BSSID before associating
1451 * so the firmware knows. If we're already associated, then use the old
1452 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC
1453 * branch for disassociation below.
1455 if (changes
& BSS_CHANGED_BSSID
&& !mvmvif
->associated
)
1456 memcpy(mvmvif
->bssid
, bss_conf
->bssid
, ETH_ALEN
);
1458 ret
= iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, mvmvif
->bssid
);
1460 IWL_ERR(mvm
, "failed to update MAC %pM\n", vif
->addr
);
1462 /* after sending it once, adopt mac80211 data */
1463 memcpy(mvmvif
->bssid
, bss_conf
->bssid
, ETH_ALEN
);
1464 mvmvif
->associated
= bss_conf
->assoc
;
1466 if (changes
& BSS_CHANGED_ASSOC
) {
1467 if (bss_conf
->assoc
) {
1468 /* add quota for this interface */
1469 ret
= iwl_mvm_update_quotas(mvm
, NULL
);
1471 IWL_ERR(mvm
, "failed to update quotas\n");
1475 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
,
1478 * If we're restarting then the firmware will
1479 * obviously have lost synchronisation with
1480 * the AP. It will attempt to synchronise by
1481 * itself, but we can make it more reliable by
1482 * scheduling a session protection time event.
1484 * The firmware needs to receive a beacon to
1485 * catch up with synchronisation, use 110% of
1486 * the beacon interval.
1488 * Set a large maximum delay to allow for more
1489 * than a single interface.
1491 u32 dur
= (11 * vif
->bss_conf
.beacon_int
) / 10;
1492 iwl_mvm_protect_session(mvm
, vif
, dur
, dur
,
1496 iwl_mvm_sf_update(mvm
, vif
, false);
1497 iwl_mvm_power_vif_assoc(mvm
, vif
);
1499 iwl_mvm_ref(mvm
, IWL_MVM_REF_P2P_CLIENT
);
1500 iwl_mvm_update_smps(mvm
, vif
,
1501 IWL_MVM_SMPS_REQ_PROT
,
1502 IEEE80211_SMPS_DYNAMIC
);
1504 } else if (mvmvif
->ap_sta_id
!= IWL_MVM_STATION_COUNT
) {
1506 * If update fails - SF might be running in associated
1507 * mode while disassociated - which is forbidden.
1509 WARN_ONCE(iwl_mvm_sf_update(mvm
, vif
, false),
1510 "Failed to update SF upon disassociation\n");
1512 /* remove AP station now that the MAC is unassoc */
1513 ret
= iwl_mvm_rm_sta_id(mvm
, vif
, mvmvif
->ap_sta_id
);
1515 IWL_ERR(mvm
, "failed to remove AP station\n");
1517 if (mvm
->d0i3_ap_sta_id
== mvmvif
->ap_sta_id
)
1518 mvm
->d0i3_ap_sta_id
= IWL_MVM_STATION_COUNT
;
1519 mvmvif
->ap_sta_id
= IWL_MVM_STATION_COUNT
;
1520 /* remove quota for this interface */
1521 ret
= iwl_mvm_update_quotas(mvm
, NULL
);
1523 IWL_ERR(mvm
, "failed to update quotas\n");
1526 iwl_mvm_unref(mvm
, IWL_MVM_REF_P2P_CLIENT
);
1528 /* this will take the cleared BSSID from bss_conf */
1529 ret
= iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
1532 "failed to update MAC %pM (clear after unassoc)\n",
1536 iwl_mvm_recalc_multicast(mvm
);
1537 iwl_mvm_configure_bcast_filter(mvm
, vif
);
1539 /* reset rssi values */
1540 mvmvif
->bf_data
.ave_beacon_signal
= 0;
1542 iwl_mvm_bt_coex_vif_change(mvm
);
1543 iwl_mvm_update_smps(mvm
, vif
, IWL_MVM_SMPS_REQ_TT
,
1544 IEEE80211_SMPS_AUTOMATIC
);
1545 } else if (changes
& BSS_CHANGED_BEACON_INFO
) {
1547 * We received a beacon _after_ association so
1548 * remove the session protection.
1550 iwl_mvm_remove_time_event(mvm
, mvmvif
,
1551 &mvmvif
->time_event_data
);
1554 if (changes
& BSS_CHANGED_BEACON_INFO
) {
1555 iwl_mvm_sf_update(mvm
, vif
, false);
1556 WARN_ON(iwl_mvm_enable_beacon_filter(mvm
, vif
, 0));
1559 if (changes
& (BSS_CHANGED_PS
| BSS_CHANGED_P2P_PS
| BSS_CHANGED_QOS
)) {
1560 ret
= iwl_mvm_power_update_mac(mvm
);
1562 IWL_ERR(mvm
, "failed to update power mode\n");
1565 if (changes
& BSS_CHANGED_TXPOWER
) {
1566 IWL_DEBUG_CALIB(mvm
, "Changing TX Power to %d\n",
1568 iwl_mvm_set_tx_power(mvm
, vif
, bss_conf
->txpower
);
1571 if (changes
& BSS_CHANGED_CQM
) {
1572 IWL_DEBUG_MAC80211(mvm
, "cqm info_changed\n");
1573 /* reset cqm events tracking */
1574 mvmvif
->bf_data
.last_cqm_event
= 0;
1575 if (mvmvif
->bf_data
.bf_enabled
) {
1576 ret
= iwl_mvm_enable_beacon_filter(mvm
, vif
, 0);
1579 "failed to update CQM thresholds\n");
1583 if (changes
& BSS_CHANGED_ARP_FILTER
) {
1584 IWL_DEBUG_MAC80211(mvm
, "arp filter changed\n");
1585 iwl_mvm_configure_bcast_filter(mvm
, vif
);
1589 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw
*hw
,
1590 struct ieee80211_vif
*vif
)
1592 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1593 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1597 * iwl_mvm_mac_ctxt_add() might read directly from the device
1598 * (the system time), so make sure it is available.
1600 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_START_AP
);
1604 mutex_lock(&mvm
->mutex
);
1606 /* Send the beacon template */
1607 ret
= iwl_mvm_mac_ctxt_beacon_changed(mvm
, vif
);
1612 * Re-calculate the tsf id, as the master-slave relations depend on the
1613 * beacon interval, which was not known when the AP interface was added.
1615 if (vif
->type
== NL80211_IFTYPE_AP
)
1616 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm
, vif
);
1618 /* Add the mac context */
1619 ret
= iwl_mvm_mac_ctxt_add(mvm
, vif
);
1623 /* Perform the binding */
1624 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
1628 /* Send the bcast station. At this stage the TBTT and DTIM time events
1629 * are added and applied to the scheduler */
1630 ret
= iwl_mvm_send_add_bcast_sta(mvm
, vif
);
1634 /* must be set before quota calculations */
1635 mvmvif
->ap_ibss_active
= true;
1637 /* power updated needs to be done before quotas */
1638 iwl_mvm_power_update_mac(mvm
);
1640 ret
= iwl_mvm_update_quotas(mvm
, NULL
);
1642 goto out_quota_failed
;
1644 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
1645 if (vif
->p2p
&& mvm
->p2p_device_vif
)
1646 iwl_mvm_mac_ctxt_changed(mvm
, mvm
->p2p_device_vif
, false, NULL
);
1648 iwl_mvm_ref(mvm
, IWL_MVM_REF_AP_IBSS
);
1650 iwl_mvm_bt_coex_vif_change(mvm
);
1652 /* we don't support TDLS during DCM */
1653 if (iwl_mvm_phy_ctx_count(mvm
) > 1)
1654 iwl_mvm_teardown_tdls_peers(mvm
);
1656 mutex_unlock(&mvm
->mutex
);
1660 iwl_mvm_power_update_mac(mvm
);
1661 mvmvif
->ap_ibss_active
= false;
1662 iwl_mvm_send_rm_bcast_sta(mvm
, vif
);
1664 iwl_mvm_binding_remove_vif(mvm
, vif
);
1666 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
1668 mutex_unlock(&mvm
->mutex
);
1669 iwl_mvm_unref(mvm
, IWL_MVM_REF_START_AP
);
1673 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw
*hw
,
1674 struct ieee80211_vif
*vif
)
1676 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1677 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1679 iwl_mvm_prepare_mac_removal(mvm
, vif
);
1681 mutex_lock(&mvm
->mutex
);
1683 /* Handle AP stop while in CSA */
1684 if (rcu_access_pointer(mvm
->csa_vif
) == vif
) {
1685 iwl_mvm_remove_time_event(mvm
, mvmvif
,
1686 &mvmvif
->time_event_data
);
1687 RCU_INIT_POINTER(mvm
->csa_vif
, NULL
);
1690 if (rcu_access_pointer(mvm
->csa_tx_blocked_vif
) == vif
) {
1691 RCU_INIT_POINTER(mvm
->csa_tx_blocked_vif
, NULL
);
1692 mvm
->csa_tx_block_bcn_timeout
= 0;
1695 mvmvif
->ap_ibss_active
= false;
1696 mvm
->ap_last_beacon_gp2
= 0;
1698 iwl_mvm_bt_coex_vif_change(mvm
);
1700 iwl_mvm_unref(mvm
, IWL_MVM_REF_AP_IBSS
);
1702 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
1703 if (vif
->p2p
&& mvm
->p2p_device_vif
)
1704 iwl_mvm_mac_ctxt_changed(mvm
, mvm
->p2p_device_vif
, false, NULL
);
1706 iwl_mvm_update_quotas(mvm
, NULL
);
1707 iwl_mvm_send_rm_bcast_sta(mvm
, vif
);
1708 iwl_mvm_binding_remove_vif(mvm
, vif
);
1710 iwl_mvm_power_update_mac(mvm
);
1712 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
1714 mutex_unlock(&mvm
->mutex
);
1718 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm
*mvm
,
1719 struct ieee80211_vif
*vif
,
1720 struct ieee80211_bss_conf
*bss_conf
,
1723 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1725 /* Changes will be applied when the AP/IBSS is started */
1726 if (!mvmvif
->ap_ibss_active
)
1729 if (changes
& (BSS_CHANGED_ERP_CTS_PROT
| BSS_CHANGED_HT
|
1730 BSS_CHANGED_BANDWIDTH
) &&
1731 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
))
1732 IWL_ERR(mvm
, "failed to update MAC %pM\n", vif
->addr
);
1734 /* Need to send a new beacon template to the FW */
1735 if (changes
& BSS_CHANGED_BEACON
&&
1736 iwl_mvm_mac_ctxt_beacon_changed(mvm
, vif
))
1737 IWL_WARN(mvm
, "Failed updating beacon data\n");
1740 static void iwl_mvm_bss_info_changed(struct ieee80211_hw
*hw
,
1741 struct ieee80211_vif
*vif
,
1742 struct ieee80211_bss_conf
*bss_conf
,
1745 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1748 * iwl_mvm_bss_info_changed_station() might call
1749 * iwl_mvm_protect_session(), which reads directly from
1750 * the device (the system time), so make sure it is available.
1752 if (iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_BSS_CHANGED
))
1755 mutex_lock(&mvm
->mutex
);
1757 if (changes
& BSS_CHANGED_IDLE
&& !bss_conf
->idle
)
1758 iwl_mvm_scan_offload_stop(mvm
, true);
1760 switch (vif
->type
) {
1761 case NL80211_IFTYPE_STATION
:
1762 iwl_mvm_bss_info_changed_station(mvm
, vif
, bss_conf
, changes
);
1764 case NL80211_IFTYPE_AP
:
1765 case NL80211_IFTYPE_ADHOC
:
1766 iwl_mvm_bss_info_changed_ap_ibss(mvm
, vif
, bss_conf
, changes
);
1769 /* shouldn't happen */
1773 mutex_unlock(&mvm
->mutex
);
1774 iwl_mvm_unref(mvm
, IWL_MVM_REF_BSS_CHANGED
);
1777 static int iwl_mvm_cancel_scan_wait_notif(struct iwl_mvm
*mvm
,
1778 enum iwl_scan_status scan_type
)
1781 bool wait_for_handlers
= false;
1783 mutex_lock(&mvm
->mutex
);
1785 if (mvm
->scan_status
!= scan_type
) {
1787 /* make sure there are no pending notifications */
1788 wait_for_handlers
= true;
1792 switch (scan_type
) {
1793 case IWL_MVM_SCAN_SCHED
:
1794 ret
= iwl_mvm_scan_offload_stop(mvm
, true);
1796 case IWL_MVM_SCAN_OS
:
1797 ret
= iwl_mvm_cancel_scan(mvm
);
1799 case IWL_MVM_SCAN_NONE
:
1808 wait_for_handlers
= true;
1810 mutex_unlock(&mvm
->mutex
);
1812 /* make sure we consume the completion notification */
1813 if (wait_for_handlers
)
1814 iwl_mvm_wait_for_async_handlers(mvm
);
1818 static int iwl_mvm_mac_hw_scan(struct ieee80211_hw
*hw
,
1819 struct ieee80211_vif
*vif
,
1820 struct ieee80211_scan_request
*hw_req
)
1822 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1823 struct cfg80211_scan_request
*req
= &hw_req
->req
;
1826 if (req
->n_channels
== 0 ||
1827 req
->n_channels
> mvm
->fw
->ucode_capa
.n_scan_channels
)
1830 ret
= iwl_mvm_cancel_scan_wait_notif(mvm
, IWL_MVM_SCAN_SCHED
);
1834 mutex_lock(&mvm
->mutex
);
1836 if (mvm
->scan_status
!= IWL_MVM_SCAN_NONE
) {
1841 iwl_mvm_ref(mvm
, IWL_MVM_REF_SCAN
);
1843 if (mvm
->fw
->ucode_capa
.api
[0] & IWL_UCODE_TLV_API_LMAC_SCAN
)
1844 ret
= iwl_mvm_unified_scan_lmac(mvm
, vif
, hw_req
);
1846 ret
= iwl_mvm_scan_request(mvm
, vif
, req
);
1849 iwl_mvm_unref(mvm
, IWL_MVM_REF_SCAN
);
1851 mutex_unlock(&mvm
->mutex
);
1855 static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw
*hw
,
1856 struct ieee80211_vif
*vif
)
1858 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1860 mutex_lock(&mvm
->mutex
);
1862 iwl_mvm_cancel_scan(mvm
);
1864 mutex_unlock(&mvm
->mutex
);
1868 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw
*hw
,
1869 struct ieee80211_sta
*sta
, u16 tids
,
1871 enum ieee80211_frame_release_type reason
,
1874 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1876 /* Called when we need to transmit (a) frame(s) from mac80211 */
1878 iwl_mvm_sta_modify_sleep_tx_count(mvm
, sta
, reason
, num_frames
,
1879 tids
, more_data
, false);
1883 iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw
*hw
,
1884 struct ieee80211_sta
*sta
, u16 tids
,
1886 enum ieee80211_frame_release_type reason
,
1889 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1891 /* Called when we need to transmit (a) frame(s) from agg queue */
1893 iwl_mvm_sta_modify_sleep_tx_count(mvm
, sta
, reason
, num_frames
,
1894 tids
, more_data
, true);
1897 static void iwl_mvm_mac_sta_notify(struct ieee80211_hw
*hw
,
1898 struct ieee80211_vif
*vif
,
1899 enum sta_notify_cmd cmd
,
1900 struct ieee80211_sta
*sta
)
1902 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1903 struct iwl_mvm_sta
*mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
1907 case STA_NOTIFY_SLEEP
:
1908 if (atomic_read(&mvm
->pending_frames
[mvmsta
->sta_id
]) > 0)
1909 ieee80211_sta_block_awake(hw
, sta
, true);
1910 spin_lock_bh(&mvmsta
->lock
);
1911 for (tid
= 0; tid
< IWL_MAX_TID_COUNT
; tid
++) {
1912 struct iwl_mvm_tid_data
*tid_data
;
1914 tid_data
= &mvmsta
->tid_data
[tid
];
1915 if (tid_data
->state
!= IWL_AGG_ON
&&
1916 tid_data
->state
!= IWL_EMPTYING_HW_QUEUE_DELBA
)
1918 if (iwl_mvm_tid_queued(tid_data
) == 0)
1920 ieee80211_sta_set_buffered(sta
, tid
, true);
1922 spin_unlock_bh(&mvmsta
->lock
);
1924 * The fw updates the STA to be asleep. Tx packets on the Tx
1925 * queues to this station will not be transmitted. The fw will
1926 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
1929 case STA_NOTIFY_AWAKE
:
1930 if (WARN_ON(mvmsta
->sta_id
== IWL_MVM_STATION_COUNT
))
1932 iwl_mvm_sta_modify_ps_wake(mvm
, sta
);
1939 static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw
*hw
,
1940 struct ieee80211_vif
*vif
,
1941 struct ieee80211_sta
*sta
)
1943 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1944 struct iwl_mvm_sta
*mvm_sta
= (void *)sta
->drv_priv
;
1947 * This is called before mac80211 does RCU synchronisation,
1948 * so here we already invalidate our internal RCU-protected
1949 * station pointer. The rest of the code will thus no longer
1950 * be able to find the station this way, and we don't rely
1951 * on further RCU synchronisation after the sta_state()
1952 * callback deleted the station.
1954 mutex_lock(&mvm
->mutex
);
1955 if (sta
== rcu_access_pointer(mvm
->fw_id_to_mac_id
[mvm_sta
->sta_id
]))
1956 rcu_assign_pointer(mvm
->fw_id_to_mac_id
[mvm_sta
->sta_id
],
1958 mutex_unlock(&mvm
->mutex
);
1961 int iwl_mvm_tdls_sta_count(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
)
1963 struct ieee80211_sta
*sta
;
1964 struct iwl_mvm_sta
*mvmsta
;
1968 lockdep_assert_held(&mvm
->mutex
);
1970 for (i
= 0; i
< IWL_MVM_STATION_COUNT
; i
++) {
1971 sta
= rcu_dereference_protected(mvm
->fw_id_to_mac_id
[i
],
1972 lockdep_is_held(&mvm
->mutex
));
1973 if (!sta
|| IS_ERR(sta
) || !sta
->tdls
)
1977 mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
1978 if (mvmsta
->vif
!= vif
)
1988 static void iwl_mvm_recalc_tdls_state(struct iwl_mvm
*mvm
,
1989 struct ieee80211_vif
*vif
,
1992 int tdls_sta_cnt
= iwl_mvm_tdls_sta_count(mvm
, vif
);
1995 * Disable ps when the first TDLS sta is added and re-enable it
1996 * when the last TDLS sta is removed
1998 if ((tdls_sta_cnt
== 1 && sta_added
) ||
1999 (tdls_sta_cnt
== 0 && !sta_added
))
2000 iwl_mvm_power_update_mac(mvm
);
2003 static int iwl_mvm_mac_sta_state(struct ieee80211_hw
*hw
,
2004 struct ieee80211_vif
*vif
,
2005 struct ieee80211_sta
*sta
,
2006 enum ieee80211_sta_state old_state
,
2007 enum ieee80211_sta_state new_state
)
2009 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2010 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2013 IWL_DEBUG_MAC80211(mvm
, "station %pM state change %d->%d\n",
2014 sta
->addr
, old_state
, new_state
);
2016 /* this would be a mac80211 bug ... but don't crash */
2017 if (WARN_ON_ONCE(!mvmvif
->phy_ctxt
))
2020 /* if a STA is being removed, reuse its ID */
2021 flush_work(&mvm
->sta_drained_wk
);
2023 mutex_lock(&mvm
->mutex
);
2024 if (old_state
== IEEE80211_STA_NOTEXIST
&&
2025 new_state
== IEEE80211_STA_NONE
) {
2027 * Firmware bug - it'll crash if the beacon interval is less
2028 * than 16. We can't avoid connecting at all, so refuse the
2029 * station state change, this will cause mac80211 to abandon
2030 * attempts to connect to this AP, and eventually wpa_s will
2031 * blacklist the AP...
2033 if (vif
->type
== NL80211_IFTYPE_STATION
&&
2034 vif
->bss_conf
.beacon_int
< 16) {
2036 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
2037 sta
->addr
, vif
->bss_conf
.beacon_int
);
2044 iwl_mvm_tdls_sta_count(mvm
, NULL
) ==
2045 IWL_MVM_TDLS_STA_COUNT
||
2046 iwl_mvm_phy_ctx_count(mvm
) > 1)) {
2047 IWL_DEBUG_MAC80211(mvm
, "refusing TDLS sta\n");
2052 ret
= iwl_mvm_add_sta(mvm
, vif
, sta
);
2053 if (sta
->tdls
&& ret
== 0)
2054 iwl_mvm_recalc_tdls_state(mvm
, vif
, true);
2055 } else if (old_state
== IEEE80211_STA_NONE
&&
2056 new_state
== IEEE80211_STA_AUTH
) {
2058 * EBS may be disabled due to previous failures reported by FW.
2059 * Reset EBS status here assuming environment has been changed.
2061 mvm
->last_ebs_successful
= true;
2063 } else if (old_state
== IEEE80211_STA_AUTH
&&
2064 new_state
== IEEE80211_STA_ASSOC
) {
2065 ret
= iwl_mvm_update_sta(mvm
, vif
, sta
);
2067 iwl_mvm_rs_rate_init(mvm
, sta
,
2068 mvmvif
->phy_ctxt
->channel
->band
,
2070 } else if (old_state
== IEEE80211_STA_ASSOC
&&
2071 new_state
== IEEE80211_STA_AUTHORIZED
) {
2073 /* we don't support TDLS during DCM */
2074 if (iwl_mvm_phy_ctx_count(mvm
) > 1)
2075 iwl_mvm_teardown_tdls_peers(mvm
);
2077 /* enable beacon filtering */
2078 WARN_ON(iwl_mvm_enable_beacon_filter(mvm
, vif
, 0));
2080 } else if (old_state
== IEEE80211_STA_AUTHORIZED
&&
2081 new_state
== IEEE80211_STA_ASSOC
) {
2082 /* disable beacon filtering */
2083 WARN_ON(iwl_mvm_disable_beacon_filter(mvm
, vif
, 0));
2085 } else if (old_state
== IEEE80211_STA_ASSOC
&&
2086 new_state
== IEEE80211_STA_AUTH
) {
2088 } else if (old_state
== IEEE80211_STA_AUTH
&&
2089 new_state
== IEEE80211_STA_NONE
) {
2091 } else if (old_state
== IEEE80211_STA_NONE
&&
2092 new_state
== IEEE80211_STA_NOTEXIST
) {
2093 ret
= iwl_mvm_rm_sta(mvm
, vif
, sta
);
2095 iwl_mvm_recalc_tdls_state(mvm
, vif
, false);
2100 mutex_unlock(&mvm
->mutex
);
2105 static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw
*hw
, u32 value
)
2107 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2109 mvm
->rts_threshold
= value
;
2114 static void iwl_mvm_sta_rc_update(struct ieee80211_hw
*hw
,
2115 struct ieee80211_vif
*vif
,
2116 struct ieee80211_sta
*sta
, u32 changed
)
2118 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2120 if (vif
->type
== NL80211_IFTYPE_STATION
&&
2121 changed
& IEEE80211_RC_NSS_CHANGED
)
2122 iwl_mvm_sf_update(mvm
, vif
, false);
2125 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw
*hw
,
2126 struct ieee80211_vif
*vif
, u16 ac
,
2127 const struct ieee80211_tx_queue_params
*params
)
2129 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2130 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2132 mvmvif
->queue_params
[ac
] = *params
;
2135 * No need to update right away, we'll get BSS_CHANGED_QOS
2136 * The exception is P2P_DEVICE interface which needs immediate update.
2138 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
2141 mutex_lock(&mvm
->mutex
);
2142 ret
= iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
2143 mutex_unlock(&mvm
->mutex
);
2149 static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw
*hw
,
2150 struct ieee80211_vif
*vif
)
2152 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2153 u32 duration
= min(IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS
,
2154 200 + vif
->bss_conf
.beacon_int
);
2155 u32 min_duration
= min(IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS
,
2156 100 + vif
->bss_conf
.beacon_int
);
2158 if (WARN_ON_ONCE(vif
->bss_conf
.assoc
))
2162 * iwl_mvm_protect_session() reads directly from the device
2163 * (the system time), so make sure it is available.
2165 if (iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_PREPARE_TX
))
2168 mutex_lock(&mvm
->mutex
);
2169 /* Try really hard to protect the session and hear a beacon */
2170 iwl_mvm_protect_session(mvm
, vif
, duration
, min_duration
, 500, false);
2171 mutex_unlock(&mvm
->mutex
);
2173 iwl_mvm_unref(mvm
, IWL_MVM_REF_PREPARE_TX
);
2176 static void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw
*hw
,
2177 struct ieee80211_vif
*vif
)
2179 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2180 u32 duration
= 2 * vif
->bss_conf
.dtim_period
* vif
->bss_conf
.beacon_int
;
2183 * iwl_mvm_protect_session() reads directly from the device
2184 * (the system time), so make sure it is available.
2186 if (iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_PROTECT_TDLS
))
2189 mutex_lock(&mvm
->mutex
);
2190 /* Protect the session to hear the TDLS setup response on the channel */
2191 iwl_mvm_protect_session(mvm
, vif
, duration
, duration
, 100, true);
2192 mutex_unlock(&mvm
->mutex
);
2194 iwl_mvm_unref(mvm
, IWL_MVM_REF_PROTECT_TDLS
);
2197 static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw
*hw
,
2198 struct ieee80211_vif
*vif
,
2199 struct cfg80211_sched_scan_request
*req
,
2200 struct ieee80211_scan_ies
*ies
)
2202 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2205 ret
= iwl_mvm_cancel_scan_wait_notif(mvm
, IWL_MVM_SCAN_OS
);
2209 mutex_lock(&mvm
->mutex
);
2211 if (!iwl_mvm_is_idle(mvm
)) {
2216 if (mvm
->scan_status
!= IWL_MVM_SCAN_NONE
) {
2221 mvm
->scan_status
= IWL_MVM_SCAN_SCHED
;
2223 if (!(mvm
->fw
->ucode_capa
.api
[0] & IWL_UCODE_TLV_API_LMAC_SCAN
)) {
2224 ret
= iwl_mvm_config_sched_scan(mvm
, vif
, req
, ies
);
2229 ret
= iwl_mvm_config_sched_scan_profiles(mvm
, req
);
2233 if (mvm
->fw
->ucode_capa
.api
[0] & IWL_UCODE_TLV_API_LMAC_SCAN
)
2234 ret
= iwl_mvm_unified_sched_scan_lmac(mvm
, vif
, req
, ies
);
2236 ret
= iwl_mvm_sched_scan_start(mvm
, req
);
2241 mvm
->scan_status
= IWL_MVM_SCAN_NONE
;
2243 mutex_unlock(&mvm
->mutex
);
2247 static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw
*hw
,
2248 struct ieee80211_vif
*vif
)
2250 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2253 mutex_lock(&mvm
->mutex
);
2254 ret
= iwl_mvm_scan_offload_stop(mvm
, false);
2255 mutex_unlock(&mvm
->mutex
);
2256 iwl_mvm_wait_for_async_handlers(mvm
);
2261 static int iwl_mvm_mac_set_key(struct ieee80211_hw
*hw
,
2262 enum set_key_cmd cmd
,
2263 struct ieee80211_vif
*vif
,
2264 struct ieee80211_sta
*sta
,
2265 struct ieee80211_key_conf
*key
)
2267 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2270 if (iwlwifi_mod_params
.sw_crypto
) {
2271 IWL_DEBUG_MAC80211(mvm
, "leave - hwcrypto disabled\n");
2275 switch (key
->cipher
) {
2276 case WLAN_CIPHER_SUITE_TKIP
:
2277 key
->flags
|= IEEE80211_KEY_FLAG_GENERATE_MMIC
;
2279 case WLAN_CIPHER_SUITE_CCMP
:
2280 key
->flags
|= IEEE80211_KEY_FLAG_GENERATE_IV
;
2282 case WLAN_CIPHER_SUITE_AES_CMAC
:
2283 WARN_ON_ONCE(!(hw
->flags
& IEEE80211_HW_MFP_CAPABLE
));
2285 case WLAN_CIPHER_SUITE_WEP40
:
2286 case WLAN_CIPHER_SUITE_WEP104
:
2288 * Support for TX only, at least for now, so accept
2289 * the key and do nothing else. Then mac80211 will
2290 * pass it for TX but we don't have to use it for RX.
2294 /* currently FW supports only one optional cipher scheme */
2295 if (hw
->n_cipher_schemes
&&
2296 hw
->cipher_schemes
->cipher
== key
->cipher
)
2297 key
->flags
|= IEEE80211_KEY_FLAG_PUT_IV_SPACE
;
2302 mutex_lock(&mvm
->mutex
);
2306 if ((vif
->type
== NL80211_IFTYPE_ADHOC
||
2307 vif
->type
== NL80211_IFTYPE_AP
) && !sta
) {
2309 * GTK on AP interface is a TX-only key, return 0;
2310 * on IBSS they're per-station and because we're lazy
2311 * we don't support them for RX, so do the same.
2314 key
->hw_key_idx
= STA_KEY_IDX_INVALID
;
2318 IWL_DEBUG_MAC80211(mvm
, "set hwcrypto key\n");
2319 ret
= iwl_mvm_set_sta_key(mvm
, vif
, sta
, key
, false);
2321 IWL_WARN(mvm
, "set key failed\n");
2323 * can't add key for RX, but we don't need it
2324 * in the device for TX so still return 0
2326 key
->hw_key_idx
= STA_KEY_IDX_INVALID
;
2332 if (key
->hw_key_idx
== STA_KEY_IDX_INVALID
) {
2337 IWL_DEBUG_MAC80211(mvm
, "disable hwcrypto key\n");
2338 ret
= iwl_mvm_remove_sta_key(mvm
, vif
, sta
, key
);
2344 mutex_unlock(&mvm
->mutex
);
2348 static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw
*hw
,
2349 struct ieee80211_vif
*vif
,
2350 struct ieee80211_key_conf
*keyconf
,
2351 struct ieee80211_sta
*sta
,
2352 u32 iv32
, u16
*phase1key
)
2354 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2356 if (keyconf
->hw_key_idx
== STA_KEY_IDX_INVALID
)
2359 iwl_mvm_update_tkip_key(mvm
, vif
, keyconf
, sta
, iv32
, phase1key
);
2363 static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data
*notif_wait
,
2364 struct iwl_rx_packet
*pkt
, void *data
)
2366 struct iwl_mvm
*mvm
=
2367 container_of(notif_wait
, struct iwl_mvm
, notif_wait
);
2368 struct iwl_hs20_roc_res
*resp
;
2369 int resp_len
= iwl_rx_packet_payload_len(pkt
);
2370 struct iwl_mvm_time_event_data
*te_data
= data
;
2372 if (WARN_ON(pkt
->hdr
.cmd
!= HOT_SPOT_CMD
))
2375 if (WARN_ON_ONCE(resp_len
!= sizeof(*resp
))) {
2376 IWL_ERR(mvm
, "Invalid HOT_SPOT_CMD response\n");
2380 resp
= (void *)pkt
->data
;
2383 "Aux ROC: Recieved response from ucode: status=%d uid=%d\n",
2384 resp
->status
, resp
->event_unique_id
);
2386 te_data
->uid
= le32_to_cpu(resp
->event_unique_id
);
2387 IWL_DEBUG_TE(mvm
, "TIME_EVENT_CMD response - UID = 0x%x\n",
2390 spin_lock_bh(&mvm
->time_event_lock
);
2391 list_add_tail(&te_data
->list
, &mvm
->aux_roc_te_list
);
2392 spin_unlock_bh(&mvm
->time_event_lock
);
2397 #define AUX_ROC_MAX_DELAY_ON_CHANNEL 5000
2398 static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm
*mvm
,
2399 struct ieee80211_channel
*channel
,
2400 struct ieee80211_vif
*vif
,
2403 int res
, time_reg
= DEVICE_SYSTEM_TIME_REG
;
2404 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2405 struct iwl_mvm_time_event_data
*te_data
= &mvmvif
->hs_time_event_data
;
2406 static const u8 time_event_response
[] = { HOT_SPOT_CMD
};
2407 struct iwl_notification_wait wait_time_event
;
2408 struct iwl_hs20_roc_req aux_roc_req
= {
2409 .action
= cpu_to_le32(FW_CTXT_ACTION_ADD
),
2411 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX
, 0)),
2412 .sta_id_and_color
= cpu_to_le32(mvm
->aux_sta
.sta_id
),
2413 /* Set the channel info data */
2414 .channel_info
.band
= (channel
->band
== IEEE80211_BAND_2GHZ
) ?
2415 PHY_BAND_24
: PHY_BAND_5
,
2416 .channel_info
.channel
= channel
->hw_value
,
2417 .channel_info
.width
= PHY_VHT_CHANNEL_MODE20
,
2418 /* Set the time and duration */
2419 .apply_time
= cpu_to_le32(iwl_read_prph(mvm
->trans
, time_reg
)),
2420 .apply_time_max_delay
=
2421 cpu_to_le32(MSEC_TO_TU(AUX_ROC_MAX_DELAY_ON_CHANNEL
)),
2422 .duration
= cpu_to_le32(MSEC_TO_TU(duration
)),
2425 /* Set the node address */
2426 memcpy(aux_roc_req
.node_addr
, vif
->addr
, ETH_ALEN
);
2429 te_data
->duration
= duration
;
2430 te_data
->id
= HOT_SPOT_CMD
;
2432 lockdep_assert_held(&mvm
->mutex
);
2434 spin_lock_bh(&mvm
->time_event_lock
);
2435 list_add_tail(&te_data
->list
, &mvm
->time_event_list
);
2436 spin_unlock_bh(&mvm
->time_event_lock
);
2439 * Use a notification wait, which really just processes the
2440 * command response and doesn't wait for anything, in order
2441 * to be able to process the response and get the UID inside
2442 * the RX path. Using CMD_WANT_SKB doesn't work because it
2443 * stores the buffer and then wakes up this thread, by which
2444 * time another notification (that the time event started)
2445 * might already be processed unsuccessfully.
2447 iwl_init_notification_wait(&mvm
->notif_wait
, &wait_time_event
,
2448 time_event_response
,
2449 ARRAY_SIZE(time_event_response
),
2450 iwl_mvm_rx_aux_roc
, te_data
);
2452 res
= iwl_mvm_send_cmd_pdu(mvm
, HOT_SPOT_CMD
, 0, sizeof(aux_roc_req
),
2456 IWL_ERR(mvm
, "Couldn't send HOT_SPOT_CMD: %d\n", res
);
2457 iwl_remove_notification(&mvm
->notif_wait
, &wait_time_event
);
2461 /* No need to wait for anything, so just pass 1 (0 isn't valid) */
2462 res
= iwl_wait_notification(&mvm
->notif_wait
, &wait_time_event
, 1);
2463 /* should never fail */
2468 spin_lock_bh(&mvm
->time_event_lock
);
2469 iwl_mvm_te_clear_data(mvm
, te_data
);
2470 spin_unlock_bh(&mvm
->time_event_lock
);
2476 static int iwl_mvm_roc(struct ieee80211_hw
*hw
,
2477 struct ieee80211_vif
*vif
,
2478 struct ieee80211_channel
*channel
,
2480 enum ieee80211_roc_type type
)
2482 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2483 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2484 struct cfg80211_chan_def chandef
;
2485 struct iwl_mvm_phy_ctxt
*phy_ctxt
;
2488 IWL_DEBUG_MAC80211(mvm
, "enter (%d, %d, %d)\n", channel
->hw_value
,
2491 switch (vif
->type
) {
2492 case NL80211_IFTYPE_STATION
:
2493 /* Use aux roc framework (HS20) */
2494 ret
= iwl_mvm_send_aux_roc_cmd(mvm
, channel
,
2497 case NL80211_IFTYPE_P2P_DEVICE
:
2501 IWL_ERR(mvm
, "vif isn't P2P_DEVICE: %d\n", vif
->type
);
2505 mutex_lock(&mvm
->mutex
);
2507 for (i
= 0; i
< NUM_PHY_CTX
; i
++) {
2508 phy_ctxt
= &mvm
->phy_ctxts
[i
];
2509 if (phy_ctxt
->ref
== 0 || mvmvif
->phy_ctxt
== phy_ctxt
)
2512 if (phy_ctxt
->ref
&& channel
== phy_ctxt
->channel
) {
2514 * Unbind the P2P_DEVICE from the current PHY context,
2515 * and if the PHY context is not used remove it.
2517 ret
= iwl_mvm_binding_remove_vif(mvm
, vif
);
2518 if (WARN(ret
, "Failed unbinding P2P_DEVICE\n"))
2521 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
2523 /* Bind the P2P_DEVICE to the current PHY Context */
2524 mvmvif
->phy_ctxt
= phy_ctxt
;
2526 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
2527 if (WARN(ret
, "Failed binding P2P_DEVICE\n"))
2530 iwl_mvm_phy_ctxt_ref(mvm
, mvmvif
->phy_ctxt
);
2531 goto schedule_time_event
;
2535 /* Need to update the PHY context only if the ROC channel changed */
2536 if (channel
== mvmvif
->phy_ctxt
->channel
)
2537 goto schedule_time_event
;
2539 cfg80211_chandef_create(&chandef
, channel
, NL80211_CHAN_NO_HT
);
2542 * Change the PHY context configuration as it is currently referenced
2543 * only by the P2P Device MAC
2545 if (mvmvif
->phy_ctxt
->ref
== 1) {
2546 ret
= iwl_mvm_phy_ctxt_changed(mvm
, mvmvif
->phy_ctxt
,
2552 * The PHY context is shared with other MACs. Need to remove the
2553 * P2P Device from the binding, allocate an new PHY context and
2554 * create a new binding
2556 phy_ctxt
= iwl_mvm_get_free_phy_ctxt(mvm
);
2562 ret
= iwl_mvm_phy_ctxt_changed(mvm
, phy_ctxt
, &chandef
,
2565 IWL_ERR(mvm
, "Failed to change PHY context\n");
2569 /* Unbind the P2P_DEVICE from the current PHY context */
2570 ret
= iwl_mvm_binding_remove_vif(mvm
, vif
);
2571 if (WARN(ret
, "Failed unbinding P2P_DEVICE\n"))
2574 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
2576 /* Bind the P2P_DEVICE to the new allocated PHY context */
2577 mvmvif
->phy_ctxt
= phy_ctxt
;
2579 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
2580 if (WARN(ret
, "Failed binding P2P_DEVICE\n"))
2583 iwl_mvm_phy_ctxt_ref(mvm
, mvmvif
->phy_ctxt
);
2586 schedule_time_event
:
2587 /* Schedule the time events */
2588 ret
= iwl_mvm_start_p2p_roc(mvm
, vif
, duration
, type
);
2591 mutex_unlock(&mvm
->mutex
);
2592 IWL_DEBUG_MAC80211(mvm
, "leave\n");
2596 static int iwl_mvm_cancel_roc(struct ieee80211_hw
*hw
)
2598 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2600 IWL_DEBUG_MAC80211(mvm
, "enter\n");
2602 mutex_lock(&mvm
->mutex
);
2603 iwl_mvm_stop_p2p_roc(mvm
);
2604 mutex_unlock(&mvm
->mutex
);
2606 IWL_DEBUG_MAC80211(mvm
, "leave\n");
2610 static int __iwl_mvm_add_chanctx(struct iwl_mvm
*mvm
,
2611 struct ieee80211_chanctx_conf
*ctx
)
2613 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
2614 struct iwl_mvm_phy_ctxt
*phy_ctxt
;
2617 lockdep_assert_held(&mvm
->mutex
);
2619 IWL_DEBUG_MAC80211(mvm
, "Add channel context\n");
2621 phy_ctxt
= iwl_mvm_get_free_phy_ctxt(mvm
);
2627 ret
= iwl_mvm_phy_ctxt_changed(mvm
, phy_ctxt
, &ctx
->min_def
,
2628 ctx
->rx_chains_static
,
2629 ctx
->rx_chains_dynamic
);
2631 IWL_ERR(mvm
, "Failed to add PHY context\n");
2635 iwl_mvm_phy_ctxt_ref(mvm
, phy_ctxt
);
2636 *phy_ctxt_id
= phy_ctxt
->id
;
2641 static int iwl_mvm_add_chanctx(struct ieee80211_hw
*hw
,
2642 struct ieee80211_chanctx_conf
*ctx
)
2644 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2647 mutex_lock(&mvm
->mutex
);
2648 ret
= __iwl_mvm_add_chanctx(mvm
, ctx
);
2649 mutex_unlock(&mvm
->mutex
);
2654 static void __iwl_mvm_remove_chanctx(struct iwl_mvm
*mvm
,
2655 struct ieee80211_chanctx_conf
*ctx
)
2657 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
2658 struct iwl_mvm_phy_ctxt
*phy_ctxt
= &mvm
->phy_ctxts
[*phy_ctxt_id
];
2660 lockdep_assert_held(&mvm
->mutex
);
2662 iwl_mvm_phy_ctxt_unref(mvm
, phy_ctxt
);
2665 static void iwl_mvm_remove_chanctx(struct ieee80211_hw
*hw
,
2666 struct ieee80211_chanctx_conf
*ctx
)
2668 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2670 mutex_lock(&mvm
->mutex
);
2671 __iwl_mvm_remove_chanctx(mvm
, ctx
);
2672 mutex_unlock(&mvm
->mutex
);
2675 static void iwl_mvm_change_chanctx(struct ieee80211_hw
*hw
,
2676 struct ieee80211_chanctx_conf
*ctx
,
2679 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2680 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
2681 struct iwl_mvm_phy_ctxt
*phy_ctxt
= &mvm
->phy_ctxts
[*phy_ctxt_id
];
2683 if (WARN_ONCE((phy_ctxt
->ref
> 1) &&
2684 (changed
& ~(IEEE80211_CHANCTX_CHANGE_WIDTH
|
2685 IEEE80211_CHANCTX_CHANGE_RX_CHAINS
|
2686 IEEE80211_CHANCTX_CHANGE_RADAR
|
2687 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH
)),
2688 "Cannot change PHY. Ref=%d, changed=0x%X\n",
2689 phy_ctxt
->ref
, changed
))
2692 mutex_lock(&mvm
->mutex
);
2693 iwl_mvm_bt_coex_vif_change(mvm
);
2694 iwl_mvm_phy_ctxt_changed(mvm
, phy_ctxt
, &ctx
->min_def
,
2695 ctx
->rx_chains_static
,
2696 ctx
->rx_chains_dynamic
);
2697 mutex_unlock(&mvm
->mutex
);
2700 static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm
*mvm
,
2701 struct ieee80211_vif
*vif
,
2702 struct ieee80211_chanctx_conf
*ctx
,
2703 bool switching_chanctx
)
2705 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
2706 struct iwl_mvm_phy_ctxt
*phy_ctxt
= &mvm
->phy_ctxts
[*phy_ctxt_id
];
2707 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2710 lockdep_assert_held(&mvm
->mutex
);
2712 mvmvif
->phy_ctxt
= phy_ctxt
;
2714 switch (vif
->type
) {
2715 case NL80211_IFTYPE_AP
:
2716 /* Unless it's a CSA flow we have nothing to do here */
2717 if (vif
->csa_active
) {
2718 mvmvif
->ap_ibss_active
= true;
2721 case NL80211_IFTYPE_ADHOC
:
2723 * The AP binding flow is handled as part of the start_ap flow
2724 * (in bss_info_changed), similarly for IBSS.
2728 case NL80211_IFTYPE_STATION
:
2730 case NL80211_IFTYPE_MONITOR
:
2731 /* always disable PS when a monitor interface is active */
2732 mvmvif
->ps_disabled
= true;
2739 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
2744 * Power state must be updated before quotas,
2745 * otherwise fw will complain.
2747 iwl_mvm_power_update_mac(mvm
);
2749 /* Setting the quota at this stage is only required for monitor
2750 * interfaces. For the other types, the bss_info changed flow
2751 * will handle quota settings.
2753 if (vif
->type
== NL80211_IFTYPE_MONITOR
) {
2754 mvmvif
->monitor_active
= true;
2755 ret
= iwl_mvm_update_quotas(mvm
, NULL
);
2757 goto out_remove_binding
;
2760 /* Handle binding during CSA */
2761 if ((vif
->type
== NL80211_IFTYPE_AP
) ||
2762 (switching_chanctx
&& (vif
->type
== NL80211_IFTYPE_STATION
))) {
2763 iwl_mvm_update_quotas(mvm
, NULL
);
2764 iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
2767 if (vif
->csa_active
&& vif
->type
== NL80211_IFTYPE_STATION
) {
2768 struct iwl_mvm_sta
*mvmsta
;
2770 mvmsta
= iwl_mvm_sta_from_staid_protected(mvm
,
2773 if (WARN_ON(!mvmsta
))
2776 /* TODO: only re-enable after the first beacon */
2777 iwl_mvm_sta_modify_disable_tx(mvm
, mvmsta
, false);
2783 iwl_mvm_binding_remove_vif(mvm
, vif
);
2784 iwl_mvm_power_update_mac(mvm
);
2787 mvmvif
->phy_ctxt
= NULL
;
2790 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw
*hw
,
2791 struct ieee80211_vif
*vif
,
2792 struct ieee80211_chanctx_conf
*ctx
)
2794 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2797 mutex_lock(&mvm
->mutex
);
2798 ret
= __iwl_mvm_assign_vif_chanctx(mvm
, vif
, ctx
, false);
2799 mutex_unlock(&mvm
->mutex
);
2804 static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm
*mvm
,
2805 struct ieee80211_vif
*vif
,
2806 struct ieee80211_chanctx_conf
*ctx
,
2807 bool switching_chanctx
)
2809 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
2810 struct ieee80211_vif
*disabled_vif
= NULL
;
2811 struct iwl_mvm_sta
*mvmsta
;
2813 lockdep_assert_held(&mvm
->mutex
);
2815 iwl_mvm_remove_time_event(mvm
, mvmvif
, &mvmvif
->time_event_data
);
2817 switch (vif
->type
) {
2818 case NL80211_IFTYPE_ADHOC
:
2820 case NL80211_IFTYPE_MONITOR
:
2821 mvmvif
->monitor_active
= false;
2822 mvmvif
->ps_disabled
= false;
2824 case NL80211_IFTYPE_AP
:
2825 /* This part is triggered only during CSA */
2826 if (!vif
->csa_active
|| !mvmvif
->ap_ibss_active
)
2829 /* Set CS bit on all the stations */
2830 iwl_mvm_modify_all_sta_disable_tx(mvm
, mvmvif
, true);
2832 /* Save blocked iface, the timeout is set on the next beacon */
2833 rcu_assign_pointer(mvm
->csa_tx_blocked_vif
, vif
);
2835 mvmvif
->ap_ibss_active
= false;
2837 case NL80211_IFTYPE_STATION
:
2838 if (!switching_chanctx
)
2843 mvmsta
= iwl_mvm_sta_from_staid_protected(mvm
,
2846 if (!WARN_ON(!mvmsta
))
2847 iwl_mvm_sta_modify_disable_tx(mvm
, mvmsta
, true);
2849 iwl_mvm_mac_ctxt_changed(mvm
, vif
, true, NULL
);
2855 iwl_mvm_update_quotas(mvm
, disabled_vif
);
2856 iwl_mvm_binding_remove_vif(mvm
, vif
);
2859 mvmvif
->phy_ctxt
= NULL
;
2860 iwl_mvm_power_update_mac(mvm
);
2863 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw
*hw
,
2864 struct ieee80211_vif
*vif
,
2865 struct ieee80211_chanctx_conf
*ctx
)
2867 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2869 mutex_lock(&mvm
->mutex
);
2870 __iwl_mvm_unassign_vif_chanctx(mvm
, vif
, ctx
, false);
2871 mutex_unlock(&mvm
->mutex
);
2874 static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw
*hw
,
2875 struct ieee80211_vif_chanctx_switch
*vifs
,
2877 enum ieee80211_chanctx_switch_mode mode
)
2879 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2882 /* we only support SWAP_CONTEXTS and with a single-vif right now */
2883 if (mode
!= CHANCTX_SWMODE_SWAP_CONTEXTS
|| n_vifs
> 1)
2886 mutex_lock(&mvm
->mutex
);
2887 __iwl_mvm_unassign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].old_ctx
, true);
2888 __iwl_mvm_remove_chanctx(mvm
, vifs
[0].old_ctx
);
2890 ret
= __iwl_mvm_add_chanctx(mvm
, vifs
[0].new_ctx
);
2892 IWL_ERR(mvm
, "failed to add new_ctx during channel switch\n");
2896 ret
= __iwl_mvm_assign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].new_ctx
,
2900 "failed to assign new_ctx during channel switch\n");
2904 /* we don't support TDLS during DCM - can be caused by channel switch */
2905 if (iwl_mvm_phy_ctx_count(mvm
) > 1)
2906 iwl_mvm_teardown_tdls_peers(mvm
);
2911 __iwl_mvm_remove_chanctx(mvm
, vifs
[0].new_ctx
);
2914 ret
= __iwl_mvm_add_chanctx(mvm
, vifs
[0].old_ctx
);
2916 IWL_ERR(mvm
, "failed to add old_ctx back after failure.\n");
2920 ret
= __iwl_mvm_assign_vif_chanctx(mvm
, vifs
[0].vif
, vifs
[0].old_ctx
,
2923 IWL_ERR(mvm
, "failed to reassign old_ctx after failure.\n");
2930 /* things keep failing, better restart the hw */
2931 iwl_mvm_nic_restart(mvm
, false);
2934 mutex_unlock(&mvm
->mutex
);
2938 static int iwl_mvm_set_tim(struct ieee80211_hw
*hw
,
2939 struct ieee80211_sta
*sta
,
2942 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
2943 struct iwl_mvm_sta
*mvm_sta
= (void *)sta
->drv_priv
;
2945 if (!mvm_sta
|| !mvm_sta
->vif
) {
2946 IWL_ERR(mvm
, "Station is not associated to a vif\n");
2950 return iwl_mvm_mac_ctxt_beacon_changed(mvm
, mvm_sta
->vif
);
2953 #ifdef CONFIG_NL80211_TESTMODE
2954 static const struct nla_policy iwl_mvm_tm_policy
[IWL_MVM_TM_ATTR_MAX
+ 1] = {
2955 [IWL_MVM_TM_ATTR_CMD
] = { .type
= NLA_U32
},
2956 [IWL_MVM_TM_ATTR_NOA_DURATION
] = { .type
= NLA_U32
},
2957 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE
] = { .type
= NLA_U32
},
2960 static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm
*mvm
,
2961 struct ieee80211_vif
*vif
,
2962 void *data
, int len
)
2964 struct nlattr
*tb
[IWL_MVM_TM_ATTR_MAX
+ 1];
2968 err
= nla_parse(tb
, IWL_MVM_TM_ATTR_MAX
, data
, len
, iwl_mvm_tm_policy
);
2972 if (!tb
[IWL_MVM_TM_ATTR_CMD
])
2975 switch (nla_get_u32(tb
[IWL_MVM_TM_ATTR_CMD
])) {
2976 case IWL_MVM_TM_CMD_SET_NOA
:
2977 if (!vif
|| vif
->type
!= NL80211_IFTYPE_AP
|| !vif
->p2p
||
2978 !vif
->bss_conf
.enable_beacon
||
2979 !tb
[IWL_MVM_TM_ATTR_NOA_DURATION
])
2982 noa_duration
= nla_get_u32(tb
[IWL_MVM_TM_ATTR_NOA_DURATION
]);
2983 if (noa_duration
>= vif
->bss_conf
.beacon_int
)
2986 mvm
->noa_duration
= noa_duration
;
2989 return iwl_mvm_update_quotas(mvm
, NULL
);
2990 case IWL_MVM_TM_CMD_SET_BEACON_FILTER
:
2991 /* must be associated client vif - ignore authorized */
2992 if (!vif
|| vif
->type
!= NL80211_IFTYPE_STATION
||
2993 !vif
->bss_conf
.assoc
|| !vif
->bss_conf
.dtim_period
||
2994 !tb
[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE
])
2997 if (nla_get_u32(tb
[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE
]))
2998 return iwl_mvm_enable_beacon_filter(mvm
, vif
, 0);
2999 return iwl_mvm_disable_beacon_filter(mvm
, vif
, 0);
3005 static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw
*hw
,
3006 struct ieee80211_vif
*vif
,
3007 void *data
, int len
)
3009 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3012 mutex_lock(&mvm
->mutex
);
3013 err
= __iwl_mvm_mac_testmode_cmd(mvm
, vif
, data
, len
);
3014 mutex_unlock(&mvm
->mutex
);
3020 static void iwl_mvm_channel_switch_beacon(struct ieee80211_hw
*hw
,
3021 struct ieee80211_vif
*vif
,
3022 struct cfg80211_chan_def
*chandef
)
3024 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3025 struct ieee80211_vif
*csa_vif
;
3027 mutex_lock(&mvm
->mutex
);
3029 csa_vif
= rcu_dereference_protected(mvm
->csa_vif
,
3030 lockdep_is_held(&mvm
->mutex
));
3031 if (WARN(csa_vif
&& csa_vif
->csa_active
,
3032 "Another CSA is already in progress"))
3035 IWL_DEBUG_MAC80211(mvm
, "CSA started to freq %d\n",
3036 chandef
->center_freq1
);
3037 rcu_assign_pointer(mvm
->csa_vif
, vif
);
3040 mutex_unlock(&mvm
->mutex
);
3043 static void iwl_mvm_mac_flush(struct ieee80211_hw
*hw
,
3044 struct ieee80211_vif
*vif
, u32 queues
, bool drop
)
3046 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
3047 struct iwl_mvm_vif
*mvmvif
;
3048 struct iwl_mvm_sta
*mvmsta
;
3050 if (!vif
|| vif
->type
!= NL80211_IFTYPE_STATION
)
3053 mutex_lock(&mvm
->mutex
);
3054 mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
3055 mvmsta
= iwl_mvm_sta_from_staid_protected(mvm
, mvmvif
->ap_sta_id
);
3057 if (WARN_ON_ONCE(!mvmsta
))
3061 if (iwl_mvm_flush_tx_path(mvm
, mvmsta
->tfd_queue_msk
, true))
3062 IWL_ERR(mvm
, "flush request fail\n");
3064 iwl_trans_wait_tx_queue_empty(mvm
->trans
,
3065 mvmsta
->tfd_queue_msk
);
3068 mutex_unlock(&mvm
->mutex
);
3071 const struct ieee80211_ops iwl_mvm_hw_ops
= {
3072 .tx
= iwl_mvm_mac_tx
,
3073 .ampdu_action
= iwl_mvm_mac_ampdu_action
,
3074 .start
= iwl_mvm_mac_start
,
3075 .restart_complete
= iwl_mvm_mac_restart_complete
,
3076 .stop
= iwl_mvm_mac_stop
,
3077 .add_interface
= iwl_mvm_mac_add_interface
,
3078 .remove_interface
= iwl_mvm_mac_remove_interface
,
3079 .config
= iwl_mvm_mac_config
,
3080 .prepare_multicast
= iwl_mvm_prepare_multicast
,
3081 .configure_filter
= iwl_mvm_configure_filter
,
3082 .bss_info_changed
= iwl_mvm_bss_info_changed
,
3083 .hw_scan
= iwl_mvm_mac_hw_scan
,
3084 .cancel_hw_scan
= iwl_mvm_mac_cancel_hw_scan
,
3085 .sta_pre_rcu_remove
= iwl_mvm_sta_pre_rcu_remove
,
3086 .sta_state
= iwl_mvm_mac_sta_state
,
3087 .sta_notify
= iwl_mvm_mac_sta_notify
,
3088 .allow_buffered_frames
= iwl_mvm_mac_allow_buffered_frames
,
3089 .release_buffered_frames
= iwl_mvm_mac_release_buffered_frames
,
3090 .set_rts_threshold
= iwl_mvm_mac_set_rts_threshold
,
3091 .sta_rc_update
= iwl_mvm_sta_rc_update
,
3092 .conf_tx
= iwl_mvm_mac_conf_tx
,
3093 .mgd_prepare_tx
= iwl_mvm_mac_mgd_prepare_tx
,
3094 .mgd_protect_tdls_discover
= iwl_mvm_mac_mgd_protect_tdls_discover
,
3095 .flush
= iwl_mvm_mac_flush
,
3096 .sched_scan_start
= iwl_mvm_mac_sched_scan_start
,
3097 .sched_scan_stop
= iwl_mvm_mac_sched_scan_stop
,
3098 .set_key
= iwl_mvm_mac_set_key
,
3099 .update_tkip_key
= iwl_mvm_mac_update_tkip_key
,
3100 .remain_on_channel
= iwl_mvm_roc
,
3101 .cancel_remain_on_channel
= iwl_mvm_cancel_roc
,
3102 .add_chanctx
= iwl_mvm_add_chanctx
,
3103 .remove_chanctx
= iwl_mvm_remove_chanctx
,
3104 .change_chanctx
= iwl_mvm_change_chanctx
,
3105 .assign_vif_chanctx
= iwl_mvm_assign_vif_chanctx
,
3106 .unassign_vif_chanctx
= iwl_mvm_unassign_vif_chanctx
,
3107 .switch_vif_chanctx
= iwl_mvm_switch_vif_chanctx
,
3109 .start_ap
= iwl_mvm_start_ap_ibss
,
3110 .stop_ap
= iwl_mvm_stop_ap_ibss
,
3111 .join_ibss
= iwl_mvm_start_ap_ibss
,
3112 .leave_ibss
= iwl_mvm_stop_ap_ibss
,
3114 .set_tim
= iwl_mvm_set_tim
,
3116 .channel_switch_beacon
= iwl_mvm_channel_switch_beacon
,
3118 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd
)
3120 #ifdef CONFIG_PM_SLEEP
3122 .suspend
= iwl_mvm_suspend
,
3123 .resume
= iwl_mvm_resume
,
3124 .set_wakeup
= iwl_mvm_set_wakeup
,
3125 .set_rekey_data
= iwl_mvm_set_rekey_data
,
3126 #if IS_ENABLED(CONFIG_IPV6)
3127 .ipv6_addr_change
= iwl_mvm_ipv6_addr_change
,
3129 .set_default_unicast_key
= iwl_mvm_set_default_unicast_key
,