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 - 2013 Intel Corporation. All rights reserved.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
24 * The full GNU General Public License is included in this distribution
25 * in the file called COPYING.
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
34 * All rights reserved.
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62 *****************************************************************************/
63 #include <linux/kernel.h>
64 #include <linux/slab.h>
65 #include <linux/skbuff.h>
66 #include <linux/netdevice.h>
67 #include <linux/etherdevice.h>
69 #include <net/mac80211.h>
72 #include "iwl-op-mode.h"
76 #include "time-event.h"
77 #include "iwl-eeprom-parse.h"
78 #include "fw-api-scan.h"
79 #include "iwl-phy-db.h"
81 static const struct ieee80211_iface_limit iwl_mvm_limits
[] = {
84 .types
= BIT(NL80211_IFTYPE_STATION
),
88 .types
= BIT(NL80211_IFTYPE_AP
) |
89 BIT(NL80211_IFTYPE_P2P_CLIENT
) |
90 BIT(NL80211_IFTYPE_P2P_GO
),
94 .types
= BIT(NL80211_IFTYPE_P2P_DEVICE
),
98 static const struct ieee80211_iface_combination iwl_mvm_iface_combinations
[] = {
100 .num_different_channels
= 1,
102 .limits
= iwl_mvm_limits
,
103 .n_limits
= ARRAY_SIZE(iwl_mvm_limits
),
107 #ifdef CONFIG_PM_SLEEP
108 static const struct nl80211_wowlan_tcp_data_token_feature
109 iwl_mvm_wowlan_tcp_token_feature
= {
112 .bufsize
= IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS
,
115 static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support
= {
116 .tok
= &iwl_mvm_wowlan_tcp_token_feature
,
117 .data_payload_max
= IWL_WOWLAN_TCP_MAX_PACKET_LEN
-
118 sizeof(struct ethhdr
) -
119 sizeof(struct iphdr
) -
120 sizeof(struct tcphdr
),
121 .data_interval_max
= 65535, /* __le16 in API */
122 .wake_payload_max
= IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN
-
123 sizeof(struct ethhdr
) -
124 sizeof(struct iphdr
) -
125 sizeof(struct tcphdr
),
130 static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm
*mvm
)
134 memset(mvm
->phy_ctxts
, 0, sizeof(mvm
->phy_ctxts
));
135 for (i
= 0; i
< NUM_PHY_CTX
; i
++) {
136 mvm
->phy_ctxts
[i
].id
= i
;
137 mvm
->phy_ctxts
[i
].ref
= 0;
141 int iwl_mvm_mac_setup_register(struct iwl_mvm
*mvm
)
143 struct ieee80211_hw
*hw
= mvm
->hw
;
146 /* Tell mac80211 our characteristics */
147 hw
->flags
= IEEE80211_HW_SIGNAL_DBM
|
148 IEEE80211_HW_SPECTRUM_MGMT
|
149 IEEE80211_HW_REPORTS_TX_ACK_STATUS
|
150 IEEE80211_HW_QUEUE_CONTROL
|
151 IEEE80211_HW_WANT_MONITOR_VIF
|
152 IEEE80211_HW_SUPPORTS_PS
|
153 IEEE80211_HW_SUPPORTS_DYNAMIC_PS
|
154 IEEE80211_HW_AMPDU_AGGREGATION
|
155 IEEE80211_HW_TIMING_BEACON_ONLY
|
156 IEEE80211_HW_CONNECTION_MONITOR
;
158 hw
->queues
= IWL_MVM_FIRST_AGG_QUEUE
;
159 hw
->offchannel_tx_hw_queue
= IWL_MVM_OFFCHANNEL_QUEUE
;
160 hw
->rate_control_algorithm
= "iwl-mvm-rs";
163 * Enable 11w if advertised by firmware and software crypto
164 * is not enabled (as the firmware will interpret some mgmt
165 * packets, so enabling it with software crypto isn't safe)
167 if (mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_MFP
&&
168 !iwlwifi_mod_params
.sw_crypto
)
169 hw
->flags
|= IEEE80211_HW_MFP_CAPABLE
;
171 hw
->sta_data_size
= sizeof(struct iwl_mvm_sta
);
172 hw
->vif_data_size
= sizeof(struct iwl_mvm_vif
);
173 hw
->chanctx_data_size
= sizeof(u16
);
175 hw
->wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
) |
176 BIT(NL80211_IFTYPE_P2P_CLIENT
) |
177 BIT(NL80211_IFTYPE_AP
) |
178 BIT(NL80211_IFTYPE_P2P_GO
) |
179 BIT(NL80211_IFTYPE_P2P_DEVICE
);
181 hw
->wiphy
->flags
|= WIPHY_FLAG_CUSTOM_REGULATORY
|
182 WIPHY_FLAG_DISABLE_BEACON_HINTS
|
185 hw
->wiphy
->iface_combinations
= iwl_mvm_iface_combinations
;
186 hw
->wiphy
->n_iface_combinations
=
187 ARRAY_SIZE(iwl_mvm_iface_combinations
);
189 hw
->wiphy
->max_remain_on_channel_duration
= 10000;
190 hw
->max_listen_interval
= IWL_CONN_MAX_LISTEN_INTERVAL
;
192 /* Extract MAC address */
193 memcpy(mvm
->addresses
[0].addr
, mvm
->nvm_data
->hw_addr
, ETH_ALEN
);
194 hw
->wiphy
->addresses
= mvm
->addresses
;
195 hw
->wiphy
->n_addresses
= 1;
197 /* Extract additional MAC addresses if available */
198 num_mac
= (mvm
->nvm_data
->n_hw_addrs
> 1) ?
199 min(IWL_MVM_MAX_ADDRESSES
, mvm
->nvm_data
->n_hw_addrs
) : 1;
201 for (i
= 1; i
< num_mac
; i
++) {
202 memcpy(mvm
->addresses
[i
].addr
, mvm
->addresses
[i
-1].addr
,
204 mvm
->addresses
[i
].addr
[5]++;
205 hw
->wiphy
->n_addresses
++;
208 iwl_mvm_reset_phy_ctxts(mvm
);
210 /* we create the 802.11 header and a max-length SSID element */
211 hw
->wiphy
->max_scan_ie_len
=
212 mvm
->fw
->ucode_capa
.max_probe_length
- 24 - 34;
213 hw
->wiphy
->max_scan_ssids
= PROBE_OPTION_MAX
;
215 if (mvm
->nvm_data
->bands
[IEEE80211_BAND_2GHZ
].n_channels
)
216 hw
->wiphy
->bands
[IEEE80211_BAND_2GHZ
] =
217 &mvm
->nvm_data
->bands
[IEEE80211_BAND_2GHZ
];
218 if (mvm
->nvm_data
->bands
[IEEE80211_BAND_5GHZ
].n_channels
)
219 hw
->wiphy
->bands
[IEEE80211_BAND_5GHZ
] =
220 &mvm
->nvm_data
->bands
[IEEE80211_BAND_5GHZ
];
222 hw
->wiphy
->hw_version
= mvm
->trans
->hw_id
;
224 if (iwlmvm_mod_params
.power_scheme
!= IWL_POWER_SCHEME_CAM
)
225 hw
->wiphy
->flags
|= WIPHY_FLAG_PS_ON_BY_DEFAULT
;
227 hw
->wiphy
->flags
&= ~WIPHY_FLAG_PS_ON_BY_DEFAULT
;
229 hw
->wiphy
->features
|= NL80211_FEATURE_P2P_GO_CTWIN
|
230 NL80211_FEATURE_P2P_GO_OPPPS
;
232 mvm
->rts_threshold
= IEEE80211_MAX_RTS_THRESHOLD
;
234 #ifdef CONFIG_PM_SLEEP
235 if (mvm
->fw
->img
[IWL_UCODE_WOWLAN
].sec
[0].len
&&
236 mvm
->trans
->ops
->d3_suspend
&&
237 mvm
->trans
->ops
->d3_resume
&&
238 device_can_wakeup(mvm
->trans
->dev
)) {
239 mvm
->wowlan
.flags
= WIPHY_WOWLAN_MAGIC_PKT
|
240 WIPHY_WOWLAN_DISCONNECT
|
241 WIPHY_WOWLAN_EAP_IDENTITY_REQ
|
242 WIPHY_WOWLAN_RFKILL_RELEASE
;
243 if (!iwlwifi_mod_params
.sw_crypto
)
244 mvm
->wowlan
.flags
|= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
|
245 WIPHY_WOWLAN_GTK_REKEY_FAILURE
|
246 WIPHY_WOWLAN_4WAY_HANDSHAKE
;
248 mvm
->wowlan
.n_patterns
= IWL_WOWLAN_MAX_PATTERNS
;
249 mvm
->wowlan
.pattern_min_len
= IWL_WOWLAN_MIN_PATTERN_LEN
;
250 mvm
->wowlan
.pattern_max_len
= IWL_WOWLAN_MAX_PATTERN_LEN
;
251 mvm
->wowlan
.tcp
= &iwl_mvm_wowlan_tcp_support
;
252 hw
->wiphy
->wowlan
= &mvm
->wowlan
;
256 ret
= iwl_mvm_leds_init(mvm
);
260 ret
= ieee80211_register_hw(mvm
->hw
);
262 iwl_mvm_leds_exit(mvm
);
267 static void iwl_mvm_mac_tx(struct ieee80211_hw
*hw
,
268 struct ieee80211_tx_control
*control
,
271 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
273 if (iwl_mvm_is_radio_killed(mvm
)) {
274 IWL_DEBUG_DROP(mvm
, "Dropping - RF/CT KILL\n");
278 if (IEEE80211_SKB_CB(skb
)->hw_queue
== IWL_MVM_OFFCHANNEL_QUEUE
&&
279 !test_bit(IWL_MVM_STATUS_ROC_RUNNING
, &mvm
->status
))
283 if (iwl_mvm_tx_skb(mvm
, skb
, control
->sta
))
288 if (iwl_mvm_tx_skb_non_sta(mvm
, skb
))
292 ieee80211_free_txskb(hw
, skb
);
295 static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw
*hw
,
296 struct ieee80211_vif
*vif
,
297 enum ieee80211_ampdu_mlme_action action
,
298 struct ieee80211_sta
*sta
, u16 tid
,
299 u16
*ssn
, u8 buf_size
)
301 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
304 IWL_DEBUG_HT(mvm
, "A-MPDU action on addr %pM tid %d: action %d\n",
305 sta
->addr
, tid
, action
);
307 if (!(mvm
->nvm_data
->sku_cap_11n_enable
))
310 mutex_lock(&mvm
->mutex
);
313 case IEEE80211_AMPDU_RX_START
:
314 if (iwlwifi_mod_params
.disable_11n
& IWL_DISABLE_HT_RXAGG
) {
318 ret
= iwl_mvm_sta_rx_agg(mvm
, sta
, tid
, *ssn
, true);
320 case IEEE80211_AMPDU_RX_STOP
:
321 ret
= iwl_mvm_sta_rx_agg(mvm
, sta
, tid
, 0, false);
323 case IEEE80211_AMPDU_TX_START
:
324 if (iwlwifi_mod_params
.disable_11n
& IWL_DISABLE_HT_TXAGG
) {
328 ret
= iwl_mvm_sta_tx_agg_start(mvm
, vif
, sta
, tid
, ssn
);
330 case IEEE80211_AMPDU_TX_STOP_CONT
:
331 ret
= iwl_mvm_sta_tx_agg_stop(mvm
, vif
, sta
, tid
);
333 case IEEE80211_AMPDU_TX_STOP_FLUSH
:
334 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT
:
335 ret
= iwl_mvm_sta_tx_agg_flush(mvm
, vif
, sta
, tid
);
337 case IEEE80211_AMPDU_TX_OPERATIONAL
:
338 ret
= iwl_mvm_sta_tx_agg_oper(mvm
, vif
, sta
, tid
, buf_size
);
345 mutex_unlock(&mvm
->mutex
);
350 static void iwl_mvm_cleanup_iterator(void *data
, u8
*mac
,
351 struct ieee80211_vif
*vif
)
353 struct iwl_mvm
*mvm
= data
;
354 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
356 mvmvif
->uploaded
= false;
357 mvmvif
->ap_sta_id
= IWL_MVM_STATION_COUNT
;
359 /* does this make sense at all? */
362 spin_lock_bh(&mvm
->time_event_lock
);
363 iwl_mvm_te_clear_data(mvm
, &mvmvif
->time_event_data
);
364 spin_unlock_bh(&mvm
->time_event_lock
);
366 mvmvif
->phy_ctxt
= NULL
;
369 static void iwl_mvm_restart_cleanup(struct iwl_mvm
*mvm
)
371 iwl_trans_stop_device(mvm
->trans
);
372 iwl_trans_stop_hw(mvm
->trans
, false);
374 mvm
->scan_status
= IWL_MVM_SCAN_NONE
;
376 /* just in case one was running */
377 ieee80211_remain_on_channel_expired(mvm
->hw
);
379 ieee80211_iterate_active_interfaces_atomic(
380 mvm
->hw
, IEEE80211_IFACE_ITER_RESUME_ALL
,
381 iwl_mvm_cleanup_iterator
, mvm
);
383 mvm
->p2p_device_vif
= NULL
;
385 iwl_mvm_reset_phy_ctxts(mvm
);
386 memset(mvm
->fw_key_table
, 0, sizeof(mvm
->fw_key_table
));
387 memset(mvm
->sta_drained
, 0, sizeof(mvm
->sta_drained
));
389 ieee80211_wake_queues(mvm
->hw
);
392 mvm
->rx_ba_sessions
= 0;
395 static int iwl_mvm_mac_start(struct ieee80211_hw
*hw
)
397 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
400 mutex_lock(&mvm
->mutex
);
402 /* Clean up some internal and mac80211 state on restart */
403 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
))
404 iwl_mvm_restart_cleanup(mvm
);
406 ret
= iwl_mvm_up(mvm
);
407 mutex_unlock(&mvm
->mutex
);
412 static void iwl_mvm_mac_restart_complete(struct ieee80211_hw
*hw
)
414 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
417 mutex_lock(&mvm
->mutex
);
419 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
);
420 ret
= iwl_mvm_update_quotas(mvm
, NULL
);
422 IWL_ERR(mvm
, "Failed to update quotas after restart (%d)\n",
425 mutex_unlock(&mvm
->mutex
);
428 static void iwl_mvm_mac_stop(struct ieee80211_hw
*hw
)
430 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
432 flush_work(&mvm
->async_handlers_wk
);
434 mutex_lock(&mvm
->mutex
);
435 /* async_handlers_wk is now blocked */
438 * The work item could be running or queued if the
439 * ROC time event stops just as we get here.
441 cancel_work_sync(&mvm
->roc_done_wk
);
443 iwl_trans_stop_device(mvm
->trans
);
444 iwl_trans_stop_hw(mvm
->trans
, false);
446 iwl_mvm_async_handlers_purge(mvm
);
447 /* async_handlers_list is empty and will stay empty: HW is stopped */
449 /* the fw is stopped, the aux sta is dead: clean up driver state */
450 iwl_mvm_dealloc_int_sta(mvm
, &mvm
->aux_sta
);
452 mutex_unlock(&mvm
->mutex
);
455 * The worker might have been waiting for the mutex, let it run and
456 * discover that its list is now empty.
458 cancel_work_sync(&mvm
->async_handlers_wk
);
461 static void iwl_mvm_pm_disable_iterator(void *data
, u8
*mac
,
462 struct ieee80211_vif
*vif
)
464 struct iwl_mvm
*mvm
= data
;
467 ret
= iwl_mvm_power_disable(mvm
, vif
);
469 IWL_ERR(mvm
, "failed to disable power management\n");
472 static void iwl_mvm_power_update_iterator(void *data
, u8
*mac
,
473 struct ieee80211_vif
*vif
)
475 struct iwl_mvm
*mvm
= data
;
477 iwl_mvm_power_update_mode(mvm
, vif
);
480 static struct iwl_mvm_phy_ctxt
*iwl_mvm_get_free_phy_ctxt(struct iwl_mvm
*mvm
)
484 lockdep_assert_held(&mvm
->mutex
);
486 for (i
= 0; i
< NUM_PHY_CTX
; i
++)
487 if (!mvm
->phy_ctxts
[i
].ref
)
488 return &mvm
->phy_ctxts
[i
];
490 IWL_ERR(mvm
, "No available PHY context\n");
494 static int iwl_mvm_mac_add_interface(struct ieee80211_hw
*hw
,
495 struct ieee80211_vif
*vif
)
497 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
498 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
502 * Not much to do here. The stack will not allow interface
503 * types or combinations that we didn't advertise, so we
504 * don't really have to check the types.
507 mutex_lock(&mvm
->mutex
);
509 /* Allocate resources for the MAC context, and add it the the fw */
510 ret
= iwl_mvm_mac_ctxt_init(mvm
, vif
);
515 * TODO: remove this temporary code.
516 * Currently MVM FW supports power management only on single MAC.
517 * If new interface added, disable PM on existing interface.
518 * P2P device is a special case, since it is handled by FW similary to
519 * scan. If P2P deviced is added, PM remains enabled on existing
521 * Note: the method below does not count the new interface being added
524 if (vif
->type
!= NL80211_IFTYPE_P2P_DEVICE
)
526 if (mvm
->vif_count
> 1) {
527 IWL_DEBUG_MAC80211(mvm
,
528 "Disable power on existing interfaces\n");
529 ieee80211_iterate_active_interfaces_atomic(
531 IEEE80211_IFACE_ITER_NORMAL
,
532 iwl_mvm_pm_disable_iterator
, mvm
);
536 * The AP binding flow can be done only after the beacon
537 * template is configured (which happens only in the mac80211
538 * start_ap() flow), and adding the broadcast station can happen
539 * only after the binding.
540 * In addition, since modifying the MAC before adding a bcast
541 * station is not allowed by the FW, delay the adding of MAC context to
542 * the point where we can also add the bcast station.
543 * In short: there's not much we can do at this point, other than
544 * allocating resources :)
546 if (vif
->type
== NL80211_IFTYPE_AP
) {
547 u32 qmask
= iwl_mvm_mac_get_queues_mask(mvm
, vif
);
548 ret
= iwl_mvm_allocate_int_sta(mvm
, &mvmvif
->bcast_sta
,
551 IWL_ERR(mvm
, "Failed to allocate bcast sta\n");
558 ret
= iwl_mvm_mac_ctxt_add(mvm
, vif
);
563 * Update power state on the new interface. Admittedly, based on
564 * mac80211 logics this power update will disable power management
566 iwl_mvm_power_update_mode(mvm
, vif
);
568 /* beacon filtering */
569 if (!mvm
->bf_allowed_vif
&&
570 vif
->type
== NL80211_IFTYPE_STATION
&& !vif
->p2p
){
571 mvm
->bf_allowed_vif
= mvmvif
;
572 vif
->driver_flags
|= IEEE80211_VIF_BEACON_FILTER
;
575 ret
= iwl_mvm_disable_beacon_filter(mvm
, vif
);
580 * P2P_DEVICE interface does not have a channel context assigned to it,
581 * so a dedicated PHY context is allocated to it and the corresponding
582 * MAC context is bound to it at this stage.
584 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
586 mvmvif
->phy_ctxt
= iwl_mvm_get_free_phy_ctxt(mvm
);
587 if (!mvmvif
->phy_ctxt
) {
592 iwl_mvm_phy_ctxt_ref(mvm
, mvmvif
->phy_ctxt
);
593 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
597 ret
= iwl_mvm_add_bcast_sta(mvm
, vif
, &mvmvif
->bcast_sta
);
601 /* Save a pointer to p2p device vif, so it can later be used to
602 * update the p2p device MAC when a GO is started/stopped */
603 mvm
->p2p_device_vif
= vif
;
606 iwl_mvm_vif_dbgfs_register(mvm
, vif
);
610 iwl_mvm_binding_remove_vif(mvm
, vif
);
612 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
614 mvmvif
->phy_ctxt
= NULL
;
615 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
617 if (vif
->type
!= NL80211_IFTYPE_P2P_DEVICE
)
619 ieee80211_iterate_active_interfaces(
620 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
621 iwl_mvm_power_update_iterator
, mvm
);
622 iwl_mvm_mac_ctxt_release(mvm
, vif
);
624 mutex_unlock(&mvm
->mutex
);
629 static void iwl_mvm_prepare_mac_removal(struct iwl_mvm
*mvm
,
630 struct ieee80211_vif
*vif
)
634 for (ac
= 0; ac
< IEEE80211_NUM_ACS
; ac
++)
635 if (vif
->hw_queue
[ac
] != IEEE80211_INVAL_HW_QUEUE
)
636 tfd_msk
|= BIT(vif
->hw_queue
[ac
]);
638 if (vif
->cab_queue
!= IEEE80211_INVAL_HW_QUEUE
)
639 tfd_msk
|= BIT(vif
->cab_queue
);
642 mutex_lock(&mvm
->mutex
);
643 iwl_mvm_flush_tx_path(mvm
, tfd_msk
, true);
644 mutex_unlock(&mvm
->mutex
);
647 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
649 * Flush the ROC worker which will flush the OFFCHANNEL queue.
650 * We assume here that all the packets sent to the OFFCHANNEL
651 * queue are sent in ROC session.
653 flush_work(&mvm
->roc_done_wk
);
656 * By now, all the AC queues are empty. The AGG queues are
657 * empty too. We already got all the Tx responses for all the
658 * packets in the queues. The drain work can have been
659 * triggered. Flush it.
661 flush_work(&mvm
->sta_drained_wk
);
665 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw
*hw
,
666 struct ieee80211_vif
*vif
)
668 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
669 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
671 iwl_mvm_prepare_mac_removal(mvm
, vif
);
673 mutex_lock(&mvm
->mutex
);
675 if (mvm
->bf_allowed_vif
== mvmvif
) {
676 mvm
->bf_allowed_vif
= NULL
;
677 vif
->driver_flags
&= ~IEEE80211_VIF_BEACON_FILTER
;
680 iwl_mvm_vif_dbgfs_clean(mvm
, vif
);
683 * For AP/GO interface, the tear down of the resources allocated to the
684 * interface is be handled as part of the stop_ap flow.
686 if (vif
->type
== NL80211_IFTYPE_AP
) {
687 iwl_mvm_dealloc_int_sta(mvm
, &mvmvif
->bcast_sta
);
691 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
692 mvm
->p2p_device_vif
= NULL
;
693 iwl_mvm_rm_bcast_sta(mvm
, &mvmvif
->bcast_sta
);
694 iwl_mvm_binding_remove_vif(mvm
, vif
);
695 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
696 mvmvif
->phy_ctxt
= NULL
;
700 * TODO: remove this temporary code.
701 * Currently MVM FW supports power management only on single MAC.
702 * Check if only one additional interface remains after removing
703 * current one. Update power mode on the remaining interface.
705 if (mvm
->vif_count
&& vif
->type
!= NL80211_IFTYPE_P2P_DEVICE
)
707 IWL_DEBUG_MAC80211(mvm
, "Currently %d interfaces active\n",
709 if (mvm
->vif_count
== 1) {
710 ieee80211_iterate_active_interfaces(
711 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
712 iwl_mvm_power_update_iterator
, mvm
);
715 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
718 iwl_mvm_mac_ctxt_release(mvm
, vif
);
719 mutex_unlock(&mvm
->mutex
);
722 static int iwl_mvm_mac_config(struct ieee80211_hw
*hw
, u32 changed
)
727 static void iwl_mvm_configure_filter(struct ieee80211_hw
*hw
,
728 unsigned int changed_flags
,
729 unsigned int *total_flags
,
735 static int iwl_mvm_configure_mcast_filter(struct iwl_mvm
*mvm
,
736 struct ieee80211_vif
*vif
)
738 struct iwl_mcast_filter_cmd mcast_filter_cmd
= {
742 memcpy(mcast_filter_cmd
.bssid
, vif
->bss_conf
.bssid
, ETH_ALEN
);
744 return iwl_mvm_send_cmd_pdu(mvm
, MCAST_FILTER_CMD
, CMD_SYNC
,
745 sizeof(mcast_filter_cmd
),
749 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm
*mvm
,
750 struct ieee80211_vif
*vif
,
751 struct ieee80211_bss_conf
*bss_conf
,
754 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
757 ret
= iwl_mvm_mac_ctxt_changed(mvm
, vif
);
759 IWL_ERR(mvm
, "failed to update MAC %pM\n", vif
->addr
);
761 if (changes
& BSS_CHANGED_ASSOC
) {
762 if (bss_conf
->assoc
) {
763 /* add quota for this interface */
764 ret
= iwl_mvm_update_quotas(mvm
, vif
);
766 IWL_ERR(mvm
, "failed to update quotas\n");
769 iwl_mvm_bt_coex_vif_assoc(mvm
, vif
);
770 iwl_mvm_configure_mcast_filter(mvm
, vif
);
771 } else if (mvmvif
->ap_sta_id
!= IWL_MVM_STATION_COUNT
) {
772 /* remove AP station now that the MAC is unassoc */
773 ret
= iwl_mvm_rm_sta_id(mvm
, vif
, mvmvif
->ap_sta_id
);
775 IWL_ERR(mvm
, "failed to remove AP station\n");
776 mvmvif
->ap_sta_id
= IWL_MVM_STATION_COUNT
;
777 /* remove quota for this interface */
778 ret
= iwl_mvm_update_quotas(mvm
, NULL
);
780 IWL_ERR(mvm
, "failed to update quotas\n");
782 ret
= iwl_mvm_power_update_mode(mvm
, vif
);
784 IWL_ERR(mvm
, "failed to update power mode\n");
785 } else if (changes
& BSS_CHANGED_BEACON_INFO
) {
787 * We received a beacon _after_ association so
788 * remove the session protection.
790 iwl_mvm_remove_time_event(mvm
, mvmvif
,
791 &mvmvif
->time_event_data
);
792 } else if (changes
& BSS_CHANGED_PS
) {
793 ret
= iwl_mvm_power_update_mode(mvm
, vif
);
795 IWL_ERR(mvm
, "failed to update power mode\n");
799 static int iwl_mvm_start_ap(struct ieee80211_hw
*hw
, struct ieee80211_vif
*vif
)
801 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
802 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
805 mutex_lock(&mvm
->mutex
);
807 /* Send the beacon template */
808 ret
= iwl_mvm_mac_ctxt_beacon_changed(mvm
, vif
);
812 /* Add the mac context */
813 ret
= iwl_mvm_mac_ctxt_add(mvm
, vif
);
817 /* Perform the binding */
818 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
822 mvmvif
->ap_active
= true;
824 /* Send the bcast station. At this stage the TBTT and DTIM time events
825 * are added and applied to the scheduler */
826 ret
= iwl_mvm_send_bcast_sta(mvm
, vif
, &mvmvif
->bcast_sta
);
830 ret
= iwl_mvm_update_quotas(mvm
, vif
);
834 /* Need to update the P2P Device MAC */
835 if (vif
->p2p
&& mvm
->p2p_device_vif
)
836 iwl_mvm_mac_ctxt_changed(mvm
, mvm
->p2p_device_vif
);
838 mutex_unlock(&mvm
->mutex
);
842 iwl_mvm_send_rm_bcast_sta(mvm
, &mvmvif
->bcast_sta
);
844 iwl_mvm_binding_remove_vif(mvm
, vif
);
846 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
848 mutex_unlock(&mvm
->mutex
);
852 static void iwl_mvm_stop_ap(struct ieee80211_hw
*hw
, struct ieee80211_vif
*vif
)
854 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
855 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
857 iwl_mvm_prepare_mac_removal(mvm
, vif
);
859 mutex_lock(&mvm
->mutex
);
861 mvmvif
->ap_active
= false;
863 /* Need to update the P2P Device MAC */
864 if (vif
->p2p
&& mvm
->p2p_device_vif
)
865 iwl_mvm_mac_ctxt_changed(mvm
, mvm
->p2p_device_vif
);
867 iwl_mvm_update_quotas(mvm
, NULL
);
868 iwl_mvm_send_rm_bcast_sta(mvm
, &mvmvif
->bcast_sta
);
869 iwl_mvm_binding_remove_vif(mvm
, vif
);
870 iwl_mvm_mac_ctxt_remove(mvm
, vif
);
872 mutex_unlock(&mvm
->mutex
);
875 static void iwl_mvm_bss_info_changed_ap(struct iwl_mvm
*mvm
,
876 struct ieee80211_vif
*vif
,
877 struct ieee80211_bss_conf
*bss_conf
,
880 /* Need to send a new beacon template to the FW */
881 if (changes
& BSS_CHANGED_BEACON
) {
882 if (iwl_mvm_mac_ctxt_beacon_changed(mvm
, vif
))
883 IWL_WARN(mvm
, "Failed updating beacon data\n");
887 static void iwl_mvm_bss_info_changed(struct ieee80211_hw
*hw
,
888 struct ieee80211_vif
*vif
,
889 struct ieee80211_bss_conf
*bss_conf
,
892 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
894 mutex_lock(&mvm
->mutex
);
897 case NL80211_IFTYPE_STATION
:
898 iwl_mvm_bss_info_changed_station(mvm
, vif
, bss_conf
, changes
);
900 case NL80211_IFTYPE_AP
:
901 iwl_mvm_bss_info_changed_ap(mvm
, vif
, bss_conf
, changes
);
904 /* shouldn't happen */
908 mutex_unlock(&mvm
->mutex
);
911 static int iwl_mvm_mac_hw_scan(struct ieee80211_hw
*hw
,
912 struct ieee80211_vif
*vif
,
913 struct cfg80211_scan_request
*req
)
915 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
918 if (req
->n_channels
== 0 || req
->n_channels
> MAX_NUM_SCAN_CHANNELS
)
921 mutex_lock(&mvm
->mutex
);
923 if (mvm
->scan_status
== IWL_MVM_SCAN_NONE
)
924 ret
= iwl_mvm_scan_request(mvm
, vif
, req
);
928 mutex_unlock(&mvm
->mutex
);
933 static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw
*hw
,
934 struct ieee80211_vif
*vif
)
936 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
938 mutex_lock(&mvm
->mutex
);
940 iwl_mvm_cancel_scan(mvm
);
942 mutex_unlock(&mvm
->mutex
);
946 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw
*hw
,
947 struct ieee80211_sta
*sta
, u16 tid
,
949 enum ieee80211_frame_release_type reason
,
952 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
954 /* TODO: how do we tell the fw to send frames for a specific TID */
957 * The fw will send EOSP notification when the last frame will be
960 iwl_mvm_sta_modify_sleep_tx_count(mvm
, sta
, reason
, num_frames
);
963 static void iwl_mvm_mac_sta_notify(struct ieee80211_hw
*hw
,
964 struct ieee80211_vif
*vif
,
965 enum sta_notify_cmd cmd
,
966 struct ieee80211_sta
*sta
)
968 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
969 struct iwl_mvm_sta
*mvmsta
= (void *)sta
->drv_priv
;
972 case STA_NOTIFY_SLEEP
:
973 if (atomic_read(&mvm
->pending_frames
[mvmsta
->sta_id
]) > 0)
974 ieee80211_sta_block_awake(hw
, sta
, true);
976 * The fw updates the STA to be asleep. Tx packets on the Tx
977 * queues to this station will not be transmitted. The fw will
978 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
981 case STA_NOTIFY_AWAKE
:
982 if (WARN_ON(mvmsta
->sta_id
== IWL_MVM_STATION_COUNT
))
984 iwl_mvm_sta_modify_ps_wake(mvm
, sta
);
991 static int iwl_mvm_mac_sta_state(struct ieee80211_hw
*hw
,
992 struct ieee80211_vif
*vif
,
993 struct ieee80211_sta
*sta
,
994 enum ieee80211_sta_state old_state
,
995 enum ieee80211_sta_state new_state
)
997 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
998 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1001 IWL_DEBUG_MAC80211(mvm
, "station %pM state change %d->%d\n",
1002 sta
->addr
, old_state
, new_state
);
1004 /* this would be a mac80211 bug ... but don't crash */
1005 if (WARN_ON_ONCE(!mvmvif
->phy_ctxt
))
1008 /* if a STA is being removed, reuse its ID */
1009 flush_work(&mvm
->sta_drained_wk
);
1011 mutex_lock(&mvm
->mutex
);
1012 if (old_state
== IEEE80211_STA_NOTEXIST
&&
1013 new_state
== IEEE80211_STA_NONE
) {
1015 * Firmware bug - it'll crash if the beacon interval is less
1016 * than 16. We can't avoid connecting at all, so refuse the
1017 * station state change, this will cause mac80211 to abandon
1018 * attempts to connect to this AP, and eventually wpa_s will
1019 * blacklist the AP...
1021 if (vif
->type
== NL80211_IFTYPE_STATION
&&
1022 vif
->bss_conf
.beacon_int
< 16) {
1024 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
1025 sta
->addr
, vif
->bss_conf
.beacon_int
);
1029 ret
= iwl_mvm_add_sta(mvm
, vif
, sta
);
1030 } else if (old_state
== IEEE80211_STA_NONE
&&
1031 new_state
== IEEE80211_STA_AUTH
) {
1033 } else if (old_state
== IEEE80211_STA_AUTH
&&
1034 new_state
== IEEE80211_STA_ASSOC
) {
1035 ret
= iwl_mvm_update_sta(mvm
, vif
, sta
);
1037 iwl_mvm_rs_rate_init(mvm
, sta
,
1038 mvmvif
->phy_ctxt
->channel
->band
);
1039 } else if (old_state
== IEEE80211_STA_ASSOC
&&
1040 new_state
== IEEE80211_STA_AUTHORIZED
) {
1041 /* enable beacon filtering */
1042 WARN_ON(iwl_mvm_enable_beacon_filter(mvm
, vif
));
1044 } else if (old_state
== IEEE80211_STA_AUTHORIZED
&&
1045 new_state
== IEEE80211_STA_ASSOC
) {
1046 /* disable beacon filtering */
1047 WARN_ON(iwl_mvm_disable_beacon_filter(mvm
, vif
));
1049 } else if (old_state
== IEEE80211_STA_ASSOC
&&
1050 new_state
== IEEE80211_STA_AUTH
) {
1052 } else if (old_state
== IEEE80211_STA_AUTH
&&
1053 new_state
== IEEE80211_STA_NONE
) {
1055 } else if (old_state
== IEEE80211_STA_NONE
&&
1056 new_state
== IEEE80211_STA_NOTEXIST
) {
1057 ret
= iwl_mvm_rm_sta(mvm
, vif
, sta
);
1062 mutex_unlock(&mvm
->mutex
);
1067 static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw
*hw
, u32 value
)
1069 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1071 mvm
->rts_threshold
= value
;
1076 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw
*hw
,
1077 struct ieee80211_vif
*vif
, u16 ac
,
1078 const struct ieee80211_tx_queue_params
*params
)
1080 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1081 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1083 mvmvif
->queue_params
[ac
] = *params
;
1086 * No need to update right away, we'll get BSS_CHANGED_QOS
1087 * The exception is P2P_DEVICE interface which needs immediate update.
1089 if (vif
->type
== NL80211_IFTYPE_P2P_DEVICE
) {
1092 mutex_lock(&mvm
->mutex
);
1093 ret
= iwl_mvm_mac_ctxt_changed(mvm
, vif
);
1094 mutex_unlock(&mvm
->mutex
);
1100 static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw
*hw
,
1101 struct ieee80211_vif
*vif
)
1103 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1104 u32 duration
= min(IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS
,
1105 200 + vif
->bss_conf
.beacon_int
);
1106 u32 min_duration
= min(IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS
,
1107 100 + vif
->bss_conf
.beacon_int
);
1109 if (WARN_ON_ONCE(vif
->bss_conf
.assoc
))
1112 mutex_lock(&mvm
->mutex
);
1113 /* Try really hard to protect the session and hear a beacon */
1114 iwl_mvm_protect_session(mvm
, vif
, duration
, min_duration
);
1115 mutex_unlock(&mvm
->mutex
);
1118 static int iwl_mvm_mac_set_key(struct ieee80211_hw
*hw
,
1119 enum set_key_cmd cmd
,
1120 struct ieee80211_vif
*vif
,
1121 struct ieee80211_sta
*sta
,
1122 struct ieee80211_key_conf
*key
)
1124 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1127 if (iwlwifi_mod_params
.sw_crypto
) {
1128 IWL_DEBUG_MAC80211(mvm
, "leave - hwcrypto disabled\n");
1132 switch (key
->cipher
) {
1133 case WLAN_CIPHER_SUITE_TKIP
:
1134 key
->flags
|= IEEE80211_KEY_FLAG_GENERATE_MMIC
;
1136 case WLAN_CIPHER_SUITE_CCMP
:
1137 key
->flags
|= IEEE80211_KEY_FLAG_GENERATE_IV
;
1139 case WLAN_CIPHER_SUITE_AES_CMAC
:
1140 WARN_ON_ONCE(!(hw
->flags
& IEEE80211_HW_MFP_CAPABLE
));
1142 case WLAN_CIPHER_SUITE_WEP40
:
1143 case WLAN_CIPHER_SUITE_WEP104
:
1145 * Support for TX only, at least for now, so accept
1146 * the key and do nothing else. Then mac80211 will
1147 * pass it for TX but we don't have to use it for RX.
1154 mutex_lock(&mvm
->mutex
);
1158 if (vif
->type
== NL80211_IFTYPE_AP
&& !sta
) {
1159 /* GTK on AP interface is a TX-only key, return 0 */
1161 key
->hw_key_idx
= STA_KEY_IDX_INVALID
;
1165 IWL_DEBUG_MAC80211(mvm
, "set hwcrypto key\n");
1166 ret
= iwl_mvm_set_sta_key(mvm
, vif
, sta
, key
, false);
1168 IWL_WARN(mvm
, "set key failed\n");
1170 * can't add key for RX, but we don't need it
1171 * in the device for TX so still return 0
1173 key
->hw_key_idx
= STA_KEY_IDX_INVALID
;
1179 if (key
->hw_key_idx
== STA_KEY_IDX_INVALID
) {
1184 IWL_DEBUG_MAC80211(mvm
, "disable hwcrypto key\n");
1185 ret
= iwl_mvm_remove_sta_key(mvm
, vif
, sta
, key
);
1191 mutex_unlock(&mvm
->mutex
);
1195 static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw
*hw
,
1196 struct ieee80211_vif
*vif
,
1197 struct ieee80211_key_conf
*keyconf
,
1198 struct ieee80211_sta
*sta
,
1199 u32 iv32
, u16
*phase1key
)
1201 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1203 iwl_mvm_update_tkip_key(mvm
, vif
, keyconf
, sta
, iv32
, phase1key
);
1207 static int iwl_mvm_roc(struct ieee80211_hw
*hw
,
1208 struct ieee80211_vif
*vif
,
1209 struct ieee80211_channel
*channel
,
1211 enum ieee80211_roc_type type
)
1213 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1214 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1215 struct cfg80211_chan_def chandef
;
1216 struct iwl_mvm_phy_ctxt
*phy_ctxt
;
1219 IWL_DEBUG_MAC80211(mvm
, "enter (%d, %d, %d)\n", channel
->hw_value
,
1222 if (vif
->type
!= NL80211_IFTYPE_P2P_DEVICE
) {
1223 IWL_ERR(mvm
, "vif isn't a P2P_DEVICE: %d\n", vif
->type
);
1227 mutex_lock(&mvm
->mutex
);
1229 for (i
= 0; i
< NUM_PHY_CTX
; i
++) {
1230 phy_ctxt
= &mvm
->phy_ctxts
[i
];
1231 if (phy_ctxt
->ref
== 0 || mvmvif
->phy_ctxt
== phy_ctxt
)
1234 if (phy_ctxt
->ref
&& channel
== phy_ctxt
->channel
) {
1236 * Unbind the P2P_DEVICE from the current PHY context,
1237 * and if the PHY context is not used remove it.
1239 ret
= iwl_mvm_binding_remove_vif(mvm
, vif
);
1240 if (WARN(ret
, "Failed unbinding P2P_DEVICE\n"))
1243 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
1245 /* Bind the P2P_DEVICE to the current PHY Context */
1246 mvmvif
->phy_ctxt
= phy_ctxt
;
1248 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
1249 if (WARN(ret
, "Failed binding P2P_DEVICE\n"))
1252 iwl_mvm_phy_ctxt_ref(mvm
, mvmvif
->phy_ctxt
);
1253 goto schedule_time_event
;
1257 /* Need to update the PHY context only if the ROC channel changed */
1258 if (channel
== mvmvif
->phy_ctxt
->channel
)
1259 goto schedule_time_event
;
1261 cfg80211_chandef_create(&chandef
, channel
, NL80211_CHAN_NO_HT
);
1264 * Change the PHY context configuration as it is currently referenced
1265 * only by the P2P Device MAC
1267 if (mvmvif
->phy_ctxt
->ref
== 1) {
1268 ret
= iwl_mvm_phy_ctxt_changed(mvm
, mvmvif
->phy_ctxt
,
1274 * The PHY context is shared with other MACs. Need to remove the
1275 * P2P Device from the binding, allocate an new PHY context and
1276 * create a new binding
1278 phy_ctxt
= iwl_mvm_get_free_phy_ctxt(mvm
);
1284 ret
= iwl_mvm_phy_ctxt_changed(mvm
, phy_ctxt
, &chandef
,
1287 IWL_ERR(mvm
, "Failed to change PHY context\n");
1291 /* Unbind the P2P_DEVICE from the current PHY context */
1292 ret
= iwl_mvm_binding_remove_vif(mvm
, vif
);
1293 if (WARN(ret
, "Failed unbinding P2P_DEVICE\n"))
1296 iwl_mvm_phy_ctxt_unref(mvm
, mvmvif
->phy_ctxt
);
1298 /* Bind the P2P_DEVICE to the new allocated PHY context */
1299 mvmvif
->phy_ctxt
= phy_ctxt
;
1301 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
1302 if (WARN(ret
, "Failed binding P2P_DEVICE\n"))
1305 iwl_mvm_phy_ctxt_ref(mvm
, mvmvif
->phy_ctxt
);
1308 schedule_time_event
:
1309 /* Schedule the time events */
1310 ret
= iwl_mvm_start_p2p_roc(mvm
, vif
, duration
, type
);
1313 mutex_unlock(&mvm
->mutex
);
1314 IWL_DEBUG_MAC80211(mvm
, "leave\n");
1318 static int iwl_mvm_cancel_roc(struct ieee80211_hw
*hw
)
1320 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1322 IWL_DEBUG_MAC80211(mvm
, "enter\n");
1324 mutex_lock(&mvm
->mutex
);
1325 iwl_mvm_stop_p2p_roc(mvm
);
1326 mutex_unlock(&mvm
->mutex
);
1328 IWL_DEBUG_MAC80211(mvm
, "leave\n");
1332 static int iwl_mvm_add_chanctx(struct ieee80211_hw
*hw
,
1333 struct ieee80211_chanctx_conf
*ctx
)
1335 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1336 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
1337 struct iwl_mvm_phy_ctxt
*phy_ctxt
;
1340 IWL_DEBUG_MAC80211(mvm
, "Add channel context\n");
1342 mutex_lock(&mvm
->mutex
);
1343 phy_ctxt
= iwl_mvm_get_free_phy_ctxt(mvm
);
1349 ret
= iwl_mvm_phy_ctxt_changed(mvm
, phy_ctxt
, &ctx
->def
,
1350 ctx
->rx_chains_static
,
1351 ctx
->rx_chains_dynamic
);
1353 IWL_ERR(mvm
, "Failed to add PHY context\n");
1357 iwl_mvm_phy_ctxt_ref(mvm
, phy_ctxt
);
1358 *phy_ctxt_id
= phy_ctxt
->id
;
1360 mutex_unlock(&mvm
->mutex
);
1364 static void iwl_mvm_remove_chanctx(struct ieee80211_hw
*hw
,
1365 struct ieee80211_chanctx_conf
*ctx
)
1367 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1368 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
1369 struct iwl_mvm_phy_ctxt
*phy_ctxt
= &mvm
->phy_ctxts
[*phy_ctxt_id
];
1371 mutex_lock(&mvm
->mutex
);
1372 iwl_mvm_phy_ctxt_unref(mvm
, phy_ctxt
);
1373 mutex_unlock(&mvm
->mutex
);
1376 static void iwl_mvm_change_chanctx(struct ieee80211_hw
*hw
,
1377 struct ieee80211_chanctx_conf
*ctx
,
1380 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1381 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
1382 struct iwl_mvm_phy_ctxt
*phy_ctxt
= &mvm
->phy_ctxts
[*phy_ctxt_id
];
1384 if (WARN_ONCE((phy_ctxt
->ref
> 1) &&
1385 (changed
& ~(IEEE80211_CHANCTX_CHANGE_WIDTH
|
1386 IEEE80211_CHANCTX_CHANGE_RX_CHAINS
|
1387 IEEE80211_CHANCTX_CHANGE_RADAR
)),
1388 "Cannot change PHY. Ref=%d, changed=0x%X\n",
1389 phy_ctxt
->ref
, changed
))
1392 mutex_lock(&mvm
->mutex
);
1393 iwl_mvm_phy_ctxt_changed(mvm
, phy_ctxt
, &ctx
->def
,
1394 ctx
->rx_chains_static
,
1395 ctx
->rx_chains_dynamic
);
1396 mutex_unlock(&mvm
->mutex
);
1399 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw
*hw
,
1400 struct ieee80211_vif
*vif
,
1401 struct ieee80211_chanctx_conf
*ctx
)
1403 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1404 u16
*phy_ctxt_id
= (u16
*)ctx
->drv_priv
;
1405 struct iwl_mvm_phy_ctxt
*phy_ctxt
= &mvm
->phy_ctxts
[*phy_ctxt_id
];
1406 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1409 mutex_lock(&mvm
->mutex
);
1411 mvmvif
->phy_ctxt
= phy_ctxt
;
1413 switch (vif
->type
) {
1414 case NL80211_IFTYPE_AP
:
1416 * The AP binding flow is handled as part of the start_ap flow
1417 * (in bss_info_changed).
1421 case NL80211_IFTYPE_STATION
:
1422 case NL80211_IFTYPE_ADHOC
:
1423 case NL80211_IFTYPE_MONITOR
:
1430 ret
= iwl_mvm_binding_add_vif(mvm
, vif
);
1435 * Setting the quota at this stage is only required for monitor
1436 * interfaces. For the other types, the bss_info changed flow
1437 * will handle quota settings.
1439 if (vif
->type
== NL80211_IFTYPE_MONITOR
) {
1440 mvmvif
->monitor_active
= true;
1441 ret
= iwl_mvm_update_quotas(mvm
, vif
);
1443 goto out_remove_binding
;
1449 iwl_mvm_binding_remove_vif(mvm
, vif
);
1451 mutex_unlock(&mvm
->mutex
);
1453 mvmvif
->phy_ctxt
= NULL
;
1457 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw
*hw
,
1458 struct ieee80211_vif
*vif
,
1459 struct ieee80211_chanctx_conf
*ctx
)
1461 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1462 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1464 mutex_lock(&mvm
->mutex
);
1466 iwl_mvm_remove_time_event(mvm
, mvmvif
, &mvmvif
->time_event_data
);
1468 if (vif
->type
== NL80211_IFTYPE_AP
)
1471 switch (vif
->type
) {
1472 case NL80211_IFTYPE_MONITOR
:
1473 mvmvif
->monitor_active
= false;
1474 iwl_mvm_update_quotas(mvm
, NULL
);
1480 iwl_mvm_binding_remove_vif(mvm
, vif
);
1482 mvmvif
->phy_ctxt
= NULL
;
1483 mutex_unlock(&mvm
->mutex
);
1486 static int iwl_mvm_set_tim(struct ieee80211_hw
*hw
,
1487 struct ieee80211_sta
*sta
,
1490 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1491 struct iwl_mvm_sta
*mvm_sta
= (void *)sta
->drv_priv
;
1493 if (!mvm_sta
|| !mvm_sta
->vif
) {
1494 IWL_ERR(mvm
, "Station is not associated to a vif\n");
1498 return iwl_mvm_mac_ctxt_beacon_changed(mvm
, mvm_sta
->vif
);
1501 static void iwl_mvm_mac_rssi_callback(struct ieee80211_hw
*hw
,
1502 struct ieee80211_vif
*vif
,
1503 enum ieee80211_rssi_event rssi_event
)
1505 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1507 iwl_mvm_bt_rssi_event(mvm
, vif
, rssi_event
);
1510 struct ieee80211_ops iwl_mvm_hw_ops
= {
1511 .tx
= iwl_mvm_mac_tx
,
1512 .ampdu_action
= iwl_mvm_mac_ampdu_action
,
1513 .start
= iwl_mvm_mac_start
,
1514 .restart_complete
= iwl_mvm_mac_restart_complete
,
1515 .stop
= iwl_mvm_mac_stop
,
1516 .add_interface
= iwl_mvm_mac_add_interface
,
1517 .remove_interface
= iwl_mvm_mac_remove_interface
,
1518 .config
= iwl_mvm_mac_config
,
1519 .configure_filter
= iwl_mvm_configure_filter
,
1520 .bss_info_changed
= iwl_mvm_bss_info_changed
,
1521 .hw_scan
= iwl_mvm_mac_hw_scan
,
1522 .cancel_hw_scan
= iwl_mvm_mac_cancel_hw_scan
,
1523 .sta_state
= iwl_mvm_mac_sta_state
,
1524 .sta_notify
= iwl_mvm_mac_sta_notify
,
1525 .allow_buffered_frames
= iwl_mvm_mac_allow_buffered_frames
,
1526 .set_rts_threshold
= iwl_mvm_mac_set_rts_threshold
,
1527 .conf_tx
= iwl_mvm_mac_conf_tx
,
1528 .mgd_prepare_tx
= iwl_mvm_mac_mgd_prepare_tx
,
1529 .set_key
= iwl_mvm_mac_set_key
,
1530 .update_tkip_key
= iwl_mvm_mac_update_tkip_key
,
1531 .remain_on_channel
= iwl_mvm_roc
,
1532 .cancel_remain_on_channel
= iwl_mvm_cancel_roc
,
1533 .rssi_callback
= iwl_mvm_mac_rssi_callback
,
1535 .add_chanctx
= iwl_mvm_add_chanctx
,
1536 .remove_chanctx
= iwl_mvm_remove_chanctx
,
1537 .change_chanctx
= iwl_mvm_change_chanctx
,
1538 .assign_vif_chanctx
= iwl_mvm_assign_vif_chanctx
,
1539 .unassign_vif_chanctx
= iwl_mvm_unassign_vif_chanctx
,
1541 .start_ap
= iwl_mvm_start_ap
,
1542 .stop_ap
= iwl_mvm_stop_ap
,
1544 .set_tim
= iwl_mvm_set_tim
,
1546 #ifdef CONFIG_PM_SLEEP
1548 .suspend
= iwl_mvm_suspend
,
1549 .resume
= iwl_mvm_resume
,
1550 .set_wakeup
= iwl_mvm_set_wakeup
,
1551 .set_rekey_data
= iwl_mvm_set_rekey_data
,
1552 #if IS_ENABLED(CONFIG_IPV6)
1553 .ipv6_addr_change
= iwl_mvm_ipv6_addr_change
,
1555 .set_default_unicast_key
= iwl_mvm_set_default_unicast_key
,