1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
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 - 2015 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 *****************************************************************************/
66 #include <linux/etherdevice.h>
69 #include <net/cfg80211.h>
72 #include <net/addrconf.h>
73 #include "iwl-modparams.h"
77 void iwl_mvm_set_rekey_data(struct ieee80211_hw
*hw
,
78 struct ieee80211_vif
*vif
,
79 struct cfg80211_gtk_rekey_data
*data
)
81 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
82 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
84 if (iwlwifi_mod_params
.sw_crypto
)
87 mutex_lock(&mvm
->mutex
);
89 memcpy(mvmvif
->rekey_data
.kek
, data
->kek
, NL80211_KEK_LEN
);
90 memcpy(mvmvif
->rekey_data
.kck
, data
->kck
, NL80211_KCK_LEN
);
91 mvmvif
->rekey_data
.replay_ctr
=
92 cpu_to_le64(be64_to_cpup((__be64
*)&data
->replay_ctr
));
93 mvmvif
->rekey_data
.valid
= true;
95 mutex_unlock(&mvm
->mutex
);
98 #if IS_ENABLED(CONFIG_IPV6)
99 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw
*hw
,
100 struct ieee80211_vif
*vif
,
101 struct inet6_dev
*idev
)
103 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
104 struct inet6_ifaddr
*ifa
;
107 read_lock_bh(&idev
->lock
);
108 list_for_each_entry(ifa
, &idev
->addr_list
, if_list
) {
109 mvmvif
->target_ipv6_addrs
[idx
] = ifa
->addr
;
111 if (idx
>= IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX
)
114 read_unlock_bh(&idev
->lock
);
116 mvmvif
->num_target_ipv6_addrs
= idx
;
120 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw
*hw
,
121 struct ieee80211_vif
*vif
, int idx
)
123 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
125 mvmvif
->tx_key_idx
= idx
;
128 static void iwl_mvm_convert_p1k(u16
*p1k
, __le16
*out
)
132 for (i
= 0; i
< IWL_P1K_SIZE
; i
++)
133 out
[i
] = cpu_to_le16(p1k
[i
]);
136 struct wowlan_key_data
{
137 struct iwl_wowlan_rsc_tsc_params_cmd
*rsc_tsc
;
138 struct iwl_wowlan_tkip_params_cmd
*tkip
;
139 bool error
, use_rsc_tsc
, use_tkip
;
143 static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw
*hw
,
144 struct ieee80211_vif
*vif
,
145 struct ieee80211_sta
*sta
,
146 struct ieee80211_key_conf
*key
,
149 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
150 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
151 struct wowlan_key_data
*data
= _data
;
152 struct aes_sc
*aes_sc
, *aes_tx_sc
= NULL
;
153 struct tkip_sc
*tkip_sc
, *tkip_tx_sc
= NULL
;
154 struct iwl_p1k_cache
*rx_p1ks
;
156 struct ieee80211_key_seq seq
;
158 u16 p1k
[IWL_P1K_SIZE
];
161 mutex_lock(&mvm
->mutex
);
163 switch (key
->cipher
) {
164 case WLAN_CIPHER_SUITE_WEP40
:
165 case WLAN_CIPHER_SUITE_WEP104
: { /* hack it for now */
167 struct iwl_mvm_wep_key_cmd wep_key_cmd
;
168 struct iwl_mvm_wep_key wep_key
;
170 .wep_key_cmd
.mac_id_n_color
=
171 cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif
->id
,
173 .wep_key_cmd
.num_keys
= 1,
174 /* firmware sets STA_KEY_FLG_WEP_13BYTES */
175 .wep_key_cmd
.decryption_type
= STA_KEY_FLG_WEP
,
176 .wep_key
.key_index
= key
->keyidx
,
177 .wep_key
.key_size
= key
->keylen
,
181 * This will fail -- the key functions don't set support
182 * pairwise WEP keys. However, that's better than silently
183 * failing WoWLAN. Or maybe not?
185 if (key
->flags
& IEEE80211_KEY_FLAG_PAIRWISE
)
188 memcpy(&wkc
.wep_key
.key
[3], key
->key
, key
->keylen
);
189 if (key
->keyidx
== mvmvif
->tx_key_idx
) {
190 /* TX key must be at offset 0 */
191 wkc
.wep_key
.key_offset
= 0;
193 /* others start at 1 */
195 wkc
.wep_key
.key_offset
= data
->wep_key_idx
;
198 ret
= iwl_mvm_send_cmd_pdu(mvm
, WEP_KEY
, 0, sizeof(wkc
), &wkc
);
199 data
->error
= ret
!= 0;
201 mvm
->ptk_ivlen
= key
->iv_len
;
202 mvm
->ptk_icvlen
= key
->icv_len
;
203 mvm
->gtk_ivlen
= key
->iv_len
;
204 mvm
->gtk_icvlen
= key
->icv_len
;
206 /* don't upload key again */
212 case WLAN_CIPHER_SUITE_AES_CMAC
:
214 * Ignore CMAC keys -- the WoWLAN firmware doesn't support them
215 * but we also shouldn't abort suspend due to that. It does have
216 * support for the IGTK key renewal, but doesn't really use the
217 * IGTK for anything. This means we could spuriously wake up or
218 * be deauthenticated, but that was considered acceptable.
221 case WLAN_CIPHER_SUITE_TKIP
:
223 tkip_sc
= data
->rsc_tsc
->all_tsc_rsc
.tkip
.unicast_rsc
;
224 tkip_tx_sc
= &data
->rsc_tsc
->all_tsc_rsc
.tkip
.tsc
;
226 rx_p1ks
= data
->tkip
->rx_uni
;
228 ieee80211_get_key_tx_seq(key
, &seq
);
229 tkip_tx_sc
->iv16
= cpu_to_le16(seq
.tkip
.iv16
);
230 tkip_tx_sc
->iv32
= cpu_to_le32(seq
.tkip
.iv32
);
232 ieee80211_get_tkip_p1k_iv(key
, seq
.tkip
.iv32
, p1k
);
233 iwl_mvm_convert_p1k(p1k
, data
->tkip
->tx
.p1k
);
235 memcpy(data
->tkip
->mic_keys
.tx
,
236 &key
->key
[NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY
],
239 rx_mic_key
= data
->tkip
->mic_keys
.rx_unicast
;
242 data
->rsc_tsc
->all_tsc_rsc
.tkip
.multicast_rsc
;
243 rx_p1ks
= data
->tkip
->rx_multi
;
244 rx_mic_key
= data
->tkip
->mic_keys
.rx_mcast
;
248 * For non-QoS this relies on the fact that both the uCode and
249 * mac80211 use TID 0 (as they need to to avoid replay attacks)
250 * for checking the IV in the frames.
252 for (i
= 0; i
< IWL_NUM_RSC
; i
++) {
253 ieee80211_get_key_rx_seq(key
, i
, &seq
);
254 tkip_sc
[i
].iv16
= cpu_to_le16(seq
.tkip
.iv16
);
255 tkip_sc
[i
].iv32
= cpu_to_le32(seq
.tkip
.iv32
);
256 /* wrapping isn't allowed, AP must rekey */
257 if (seq
.tkip
.iv32
> cur_rx_iv32
)
258 cur_rx_iv32
= seq
.tkip
.iv32
;
261 ieee80211_get_tkip_rx_p1k(key
, vif
->bss_conf
.bssid
,
263 iwl_mvm_convert_p1k(p1k
, rx_p1ks
[0].p1k
);
264 ieee80211_get_tkip_rx_p1k(key
, vif
->bss_conf
.bssid
,
265 cur_rx_iv32
+ 1, p1k
);
266 iwl_mvm_convert_p1k(p1k
, rx_p1ks
[1].p1k
);
269 &key
->key
[NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY
],
272 data
->use_tkip
= true;
273 data
->use_rsc_tsc
= true;
275 case WLAN_CIPHER_SUITE_CCMP
:
279 aes_sc
= data
->rsc_tsc
->all_tsc_rsc
.aes
.unicast_rsc
;
280 aes_tx_sc
= &data
->rsc_tsc
->all_tsc_rsc
.aes
.tsc
;
282 pn64
= atomic64_read(&key
->tx_pn
);
283 aes_tx_sc
->pn
= cpu_to_le64(pn64
);
285 aes_sc
= data
->rsc_tsc
->all_tsc_rsc
.aes
.multicast_rsc
;
289 * For non-QoS this relies on the fact that both the uCode and
290 * mac80211 use TID 0 for checking the IV in the frames.
292 for (i
= 0; i
< IWL_NUM_RSC
; i
++) {
293 u8
*pn
= seq
.ccmp
.pn
;
295 ieee80211_get_key_rx_seq(key
, i
, &seq
);
296 aes_sc
[i
].pn
= cpu_to_le64((u64
)pn
[5] |
303 data
->use_rsc_tsc
= true;
308 * The D3 firmware hardcodes the key offset 0 as the key it uses
309 * to transmit packets to the AP, i.e. the PTK.
311 if (key
->flags
& IEEE80211_KEY_FLAG_PAIRWISE
) {
312 mvm
->ptk_ivlen
= key
->iv_len
;
313 mvm
->ptk_icvlen
= key
->icv_len
;
314 ret
= iwl_mvm_set_sta_key(mvm
, vif
, sta
, key
, 0);
317 * firmware only supports TSC/RSC for a single key,
318 * so if there are multiple keep overwriting them
319 * with new ones -- this relies on mac80211 doing
322 mvm
->gtk_ivlen
= key
->iv_len
;
323 mvm
->gtk_icvlen
= key
->icv_len
;
324 ret
= iwl_mvm_set_sta_key(mvm
, vif
, sta
, key
, 1);
327 data
->error
= ret
!= 0;
329 mutex_unlock(&mvm
->mutex
);
332 static int iwl_mvm_send_patterns(struct iwl_mvm
*mvm
,
333 struct cfg80211_wowlan
*wowlan
)
335 struct iwl_wowlan_patterns_cmd
*pattern_cmd
;
336 struct iwl_host_cmd cmd
= {
337 .id
= WOWLAN_PATTERNS
,
338 .dataflags
[0] = IWL_HCMD_DFL_NOCOPY
,
342 if (!wowlan
->n_patterns
)
345 cmd
.len
[0] = sizeof(*pattern_cmd
) +
346 wowlan
->n_patterns
* sizeof(struct iwl_wowlan_pattern
);
348 pattern_cmd
= kmalloc(cmd
.len
[0], GFP_KERNEL
);
352 pattern_cmd
->n_patterns
= cpu_to_le32(wowlan
->n_patterns
);
354 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
355 int mask_len
= DIV_ROUND_UP(wowlan
->patterns
[i
].pattern_len
, 8);
357 memcpy(&pattern_cmd
->patterns
[i
].mask
,
358 wowlan
->patterns
[i
].mask
, mask_len
);
359 memcpy(&pattern_cmd
->patterns
[i
].pattern
,
360 wowlan
->patterns
[i
].pattern
,
361 wowlan
->patterns
[i
].pattern_len
);
362 pattern_cmd
->patterns
[i
].mask_size
= mask_len
;
363 pattern_cmd
->patterns
[i
].pattern_size
=
364 wowlan
->patterns
[i
].pattern_len
;
367 cmd
.data
[0] = pattern_cmd
;
368 err
= iwl_mvm_send_cmd(mvm
, &cmd
);
373 enum iwl_mvm_tcp_packet_type
{
382 static __le16
pseudo_hdr_check(int len
, __be32 saddr
, __be32 daddr
)
384 __sum16 check
= tcp_v4_check(len
, saddr
, daddr
, 0);
385 return cpu_to_le16(be16_to_cpu((__force __be16
)check
));
388 static void iwl_mvm_build_tcp_packet(struct ieee80211_vif
*vif
,
389 struct cfg80211_wowlan_tcp
*tcp
,
390 void *_pkt
, u8
*mask
,
391 __le16
*pseudo_hdr_csum
,
392 enum iwl_mvm_tcp_packet_type ptype
)
399 } __packed
*pkt
= _pkt
;
400 u16 ip_tot_len
= sizeof(struct iphdr
) + sizeof(struct tcphdr
);
403 pkt
->eth
.h_proto
= cpu_to_be16(ETH_P_IP
),
406 pkt
->ip
.protocol
= IPPROTO_TCP
;
410 case MVM_TCP_TX_DATA
:
412 memcpy(pkt
->eth
.h_dest
, tcp
->dst_mac
, ETH_ALEN
);
413 memcpy(pkt
->eth
.h_source
, vif
->addr
, ETH_ALEN
);
415 pkt
->ip
.saddr
= tcp
->src
;
416 pkt
->ip
.daddr
= tcp
->dst
;
417 pkt
->tcp
.source
= cpu_to_be16(tcp
->src_port
);
418 pkt
->tcp
.dest
= cpu_to_be16(tcp
->dst_port
);
419 /* overwritten for TX SYN later */
420 pkt
->tcp
.doff
= sizeof(struct tcphdr
) / 4;
421 pkt
->tcp
.window
= cpu_to_be16(65000);
423 case MVM_TCP_RX_SYNACK
:
425 case MVM_TCP_RX_WAKE
:
426 memcpy(pkt
->eth
.h_dest
, vif
->addr
, ETH_ALEN
);
427 memcpy(pkt
->eth
.h_source
, tcp
->dst_mac
, ETH_ALEN
);
428 pkt
->ip
.saddr
= tcp
->dst
;
429 pkt
->ip
.daddr
= tcp
->src
;
430 pkt
->tcp
.source
= cpu_to_be16(tcp
->dst_port
);
431 pkt
->tcp
.dest
= cpu_to_be16(tcp
->src_port
);
440 /* firmware assumes 8 option bytes - 8 NOPs for now */
441 memset(pkt
->data
, 0x01, 8);
443 pkt
->tcp
.doff
= (sizeof(struct tcphdr
) + 8) / 4;
446 case MVM_TCP_TX_DATA
:
447 ip_tot_len
+= tcp
->payload_len
;
448 memcpy(pkt
->data
, tcp
->payload
, tcp
->payload_len
);
456 case MVM_TCP_RX_SYNACK
:
463 case MVM_TCP_RX_WAKE
:
464 ip_tot_len
+= tcp
->wake_len
;
467 memcpy(pkt
->data
, tcp
->wake_data
, tcp
->wake_len
);
473 case MVM_TCP_TX_DATA
:
475 pkt
->ip
.tot_len
= cpu_to_be16(ip_tot_len
);
476 pkt
->ip
.check
= ip_fast_csum(&pkt
->ip
, pkt
->ip
.ihl
);
478 case MVM_TCP_RX_WAKE
:
479 for (i
= 0; i
< DIV_ROUND_UP(tcp
->wake_len
, 8); i
++) {
480 u8 tmp
= tcp
->wake_mask
[i
];
481 mask
[i
+ 6] |= tmp
<< 6;
482 if (i
+ 1 < DIV_ROUND_UP(tcp
->wake_len
, 8))
483 mask
[i
+ 7] = tmp
>> 2;
485 /* fall through for ethernet/IP/TCP headers mask */
486 case MVM_TCP_RX_SYNACK
:
488 mask
[0] = 0xff; /* match ethernet */
490 * match ethernet, ip.version, ip.ihl
491 * the ip.ihl half byte is really masked out by firmware
494 mask
[2] = 0x80; /* match ip.protocol */
495 mask
[3] = 0xfc; /* match ip.saddr, ip.daddr */
496 mask
[4] = 0x3f; /* match ip.daddr, tcp.source, tcp.dest */
497 mask
[5] = 0x80; /* match tcp flags */
498 /* leave rest (0 or set for MVM_TCP_RX_WAKE) */
502 *pseudo_hdr_csum
= pseudo_hdr_check(ip_tot_len
- sizeof(struct iphdr
),
503 pkt
->ip
.saddr
, pkt
->ip
.daddr
);
506 static int iwl_mvm_send_remote_wake_cfg(struct iwl_mvm
*mvm
,
507 struct ieee80211_vif
*vif
,
508 struct cfg80211_wowlan_tcp
*tcp
)
510 struct iwl_wowlan_remote_wake_config
*cfg
;
511 struct iwl_host_cmd cmd
= {
512 .id
= REMOTE_WAKE_CONFIG_CMD
,
513 .len
= { sizeof(*cfg
), },
514 .dataflags
= { IWL_HCMD_DFL_NOCOPY
, },
521 cfg
= kzalloc(sizeof(*cfg
), GFP_KERNEL
);
526 cfg
->max_syn_retries
= 10;
527 cfg
->max_data_retries
= 10;
528 cfg
->tcp_syn_ack_timeout
= 1; /* seconds */
529 cfg
->tcp_ack_timeout
= 1; /* seconds */
532 iwl_mvm_build_tcp_packet(
533 vif
, tcp
, cfg
->syn_tx
.data
, NULL
,
534 &cfg
->syn_tx
.info
.tcp_pseudo_header_checksum
,
536 cfg
->syn_tx
.info
.tcp_payload_length
= 0;
539 iwl_mvm_build_tcp_packet(
540 vif
, tcp
, cfg
->synack_rx
.data
, cfg
->synack_rx
.rx_mask
,
541 &cfg
->synack_rx
.info
.tcp_pseudo_header_checksum
,
543 cfg
->synack_rx
.info
.tcp_payload_length
= 0;
545 /* KEEPALIVE/ACK (TX) */
546 iwl_mvm_build_tcp_packet(
547 vif
, tcp
, cfg
->keepalive_tx
.data
, NULL
,
548 &cfg
->keepalive_tx
.info
.tcp_pseudo_header_checksum
,
550 cfg
->keepalive_tx
.info
.tcp_payload_length
=
551 cpu_to_le16(tcp
->payload_len
);
552 cfg
->sequence_number_offset
= tcp
->payload_seq
.offset
;
553 /* length must be 0..4, the field is little endian */
554 cfg
->sequence_number_length
= tcp
->payload_seq
.len
;
555 cfg
->initial_sequence_number
= cpu_to_le32(tcp
->payload_seq
.start
);
556 cfg
->keepalive_interval
= cpu_to_le16(tcp
->data_interval
);
557 if (tcp
->payload_tok
.len
) {
558 cfg
->token_offset
= tcp
->payload_tok
.offset
;
559 cfg
->token_length
= tcp
->payload_tok
.len
;
561 cpu_to_le16(tcp
->tokens_size
% tcp
->payload_tok
.len
);
562 memcpy(cfg
->tokens
, tcp
->payload_tok
.token_stream
,
565 /* set tokens to max value to almost never run out */
566 cfg
->num_tokens
= cpu_to_le16(65535);
570 iwl_mvm_build_tcp_packet(
571 vif
, tcp
, cfg
->keepalive_ack_rx
.data
,
572 cfg
->keepalive_ack_rx
.rx_mask
,
573 &cfg
->keepalive_ack_rx
.info
.tcp_pseudo_header_checksum
,
575 cfg
->keepalive_ack_rx
.info
.tcp_payload_length
= 0;
578 iwl_mvm_build_tcp_packet(
579 vif
, tcp
, cfg
->wake_rx
.data
, cfg
->wake_rx
.rx_mask
,
580 &cfg
->wake_rx
.info
.tcp_pseudo_header_checksum
,
582 cfg
->wake_rx
.info
.tcp_payload_length
=
583 cpu_to_le16(tcp
->wake_len
);
586 iwl_mvm_build_tcp_packet(
587 vif
, tcp
, cfg
->fin_tx
.data
, NULL
,
588 &cfg
->fin_tx
.info
.tcp_pseudo_header_checksum
,
590 cfg
->fin_tx
.info
.tcp_payload_length
= 0;
592 ret
= iwl_mvm_send_cmd(mvm
, &cmd
);
598 static int iwl_mvm_d3_reprogram(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
,
599 struct ieee80211_sta
*ap_sta
)
601 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
602 struct ieee80211_chanctx_conf
*ctx
;
603 u8 chains_static
, chains_dynamic
;
604 struct cfg80211_chan_def chandef
;
606 struct iwl_binding_cmd binding_cmd
= {};
607 struct iwl_time_quota_cmd quota_cmd
= {};
610 /* add back the PHY */
611 if (WARN_ON(!mvmvif
->phy_ctxt
))
615 ctx
= rcu_dereference(vif
->chanctx_conf
);
621 chains_static
= ctx
->rx_chains_static
;
622 chains_dynamic
= ctx
->rx_chains_dynamic
;
625 ret
= iwl_mvm_phy_ctxt_add(mvm
, mvmvif
->phy_ctxt
, &chandef
,
626 chains_static
, chains_dynamic
);
630 /* add back the MAC */
631 mvmvif
->uploaded
= false;
633 if (WARN_ON(!vif
->bss_conf
.assoc
))
636 ret
= iwl_mvm_mac_ctxt_add(mvm
, vif
);
640 /* add back binding - XXX refactor? */
641 binding_cmd
.id_and_color
=
642 cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif
->phy_ctxt
->id
,
643 mvmvif
->phy_ctxt
->color
));
644 binding_cmd
.action
= cpu_to_le32(FW_CTXT_ACTION_ADD
);
646 cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif
->phy_ctxt
->id
,
647 mvmvif
->phy_ctxt
->color
));
648 binding_cmd
.macs
[0] = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif
->id
,
650 for (i
= 1; i
< MAX_MACS_IN_BINDING
; i
++)
651 binding_cmd
.macs
[i
] = cpu_to_le32(FW_CTXT_INVALID
);
654 ret
= iwl_mvm_send_cmd_pdu_status(mvm
, BINDING_CONTEXT_CMD
,
655 sizeof(binding_cmd
), &binding_cmd
,
658 IWL_ERR(mvm
, "Failed to add binding: %d\n", ret
);
663 IWL_ERR(mvm
, "Binding command failed: %u\n", status
);
667 ret
= iwl_mvm_sta_send_to_fw(mvm
, ap_sta
, false);
670 rcu_assign_pointer(mvm
->fw_id_to_mac_id
[mvmvif
->ap_sta_id
], ap_sta
);
672 ret
= iwl_mvm_mac_ctxt_changed(mvm
, vif
, false, NULL
);
677 quota_cmd
.quotas
[0].id_and_color
=
678 cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif
->phy_ctxt
->id
,
679 mvmvif
->phy_ctxt
->color
));
680 quota_cmd
.quotas
[0].quota
= cpu_to_le32(IWL_MVM_MAX_QUOTA
);
681 quota_cmd
.quotas
[0].max_duration
= cpu_to_le32(IWL_MVM_MAX_QUOTA
);
683 for (i
= 1; i
< MAX_BINDINGS
; i
++)
684 quota_cmd
.quotas
[i
].id_and_color
= cpu_to_le32(FW_CTXT_INVALID
);
686 ret
= iwl_mvm_send_cmd_pdu(mvm
, TIME_QUOTA_CMD
, 0,
687 sizeof(quota_cmd
), "a_cmd
);
689 IWL_ERR(mvm
, "Failed to send quota: %d\n", ret
);
691 if (iwl_mvm_is_lar_supported(mvm
) && iwl_mvm_init_fw_regd(mvm
))
692 IWL_ERR(mvm
, "Failed to initialize D3 LAR information\n");
697 static int iwl_mvm_get_last_nonqos_seq(struct iwl_mvm
*mvm
,
698 struct ieee80211_vif
*vif
)
700 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
701 struct iwl_nonqos_seq_query_cmd query_cmd
= {
702 .get_set_flag
= cpu_to_le32(IWL_NONQOS_SEQ_GET
),
704 cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif
->id
,
707 struct iwl_host_cmd cmd
= {
708 .id
= NON_QOS_TX_COUNTER_CMD
,
709 .flags
= CMD_WANT_SKB
,
714 cmd
.data
[0] = &query_cmd
;
715 cmd
.len
[0] = sizeof(query_cmd
);
717 err
= iwl_mvm_send_cmd(mvm
, &cmd
);
721 size
= iwl_rx_packet_payload_len(cmd
.resp_pkt
);
722 if (size
< sizeof(__le16
)) {
725 err
= le16_to_cpup((__le16
*)cmd
.resp_pkt
->data
);
726 /* firmware returns next, not last-used seqno */
727 err
= (u16
) (err
- 0x10);
734 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
)
736 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
737 struct iwl_nonqos_seq_query_cmd query_cmd
= {
738 .get_set_flag
= cpu_to_le32(IWL_NONQOS_SEQ_SET
),
740 cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif
->id
,
742 .value
= cpu_to_le16(mvmvif
->seqno
),
745 /* return if called during restart, not resume from D3 */
746 if (!mvmvif
->seqno_valid
)
749 mvmvif
->seqno_valid
= false;
751 if (iwl_mvm_send_cmd_pdu(mvm
, NON_QOS_TX_COUNTER_CMD
, 0,
752 sizeof(query_cmd
), &query_cmd
))
753 IWL_ERR(mvm
, "failed to set non-QoS seqno\n");
756 static int iwl_mvm_switch_to_d3(struct iwl_mvm
*mvm
)
758 iwl_mvm_scan_stop(mvm
, IWL_MVM_SCAN_REGULAR
, true);
760 iwl_trans_stop_device(mvm
->trans
);
763 * Set the HW restart bit -- this is mostly true as we're
764 * going to load new firmware and reprogram that, though
765 * the reprogramming is going to be manual to avoid adding
766 * all the MACs that aren't support.
767 * We don't have to clear up everything though because the
768 * reprogramming is manual. When we resume, we'll actually
769 * go through a proper restart sequence again to switch
770 * back to the runtime firmware image.
772 set_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
);
779 return iwl_mvm_load_d3_fw(mvm
);
783 iwl_mvm_get_wowlan_config(struct iwl_mvm
*mvm
,
784 struct cfg80211_wowlan
*wowlan
,
785 struct iwl_wowlan_config_cmd
*wowlan_config_cmd
,
786 struct ieee80211_vif
*vif
, struct iwl_mvm_vif
*mvmvif
,
787 struct ieee80211_sta
*ap_sta
)
790 struct iwl_mvm_sta
*mvm_ap_sta
= iwl_mvm_sta_from_mac80211(ap_sta
);
792 /* TODO: wowlan_config_cmd->wowlan_ba_teardown_tids */
794 wowlan_config_cmd
->is_11n_connection
=
795 ap_sta
->ht_cap
.ht_supported
;
797 /* Query the last used seqno and set it */
798 ret
= iwl_mvm_get_last_nonqos_seq(mvm
, vif
);
802 wowlan_config_cmd
->non_qos_seq
= cpu_to_le16(ret
);
804 iwl_mvm_set_wowlan_qos_seq(mvm_ap_sta
, wowlan_config_cmd
);
806 if (wowlan
->disconnect
)
807 wowlan_config_cmd
->wakeup_filter
|=
808 cpu_to_le32(IWL_WOWLAN_WAKEUP_BEACON_MISS
|
809 IWL_WOWLAN_WAKEUP_LINK_CHANGE
);
810 if (wowlan
->magic_pkt
)
811 wowlan_config_cmd
->wakeup_filter
|=
812 cpu_to_le32(IWL_WOWLAN_WAKEUP_MAGIC_PACKET
);
813 if (wowlan
->gtk_rekey_failure
)
814 wowlan_config_cmd
->wakeup_filter
|=
815 cpu_to_le32(IWL_WOWLAN_WAKEUP_GTK_REKEY_FAIL
);
816 if (wowlan
->eap_identity_req
)
817 wowlan_config_cmd
->wakeup_filter
|=
818 cpu_to_le32(IWL_WOWLAN_WAKEUP_EAP_IDENT_REQ
);
819 if (wowlan
->four_way_handshake
)
820 wowlan_config_cmd
->wakeup_filter
|=
821 cpu_to_le32(IWL_WOWLAN_WAKEUP_4WAY_HANDSHAKE
);
822 if (wowlan
->n_patterns
)
823 wowlan_config_cmd
->wakeup_filter
|=
824 cpu_to_le32(IWL_WOWLAN_WAKEUP_PATTERN_MATCH
);
826 if (wowlan
->rfkill_release
)
827 wowlan_config_cmd
->wakeup_filter
|=
828 cpu_to_le32(IWL_WOWLAN_WAKEUP_RF_KILL_DEASSERT
);
832 * Set the "link change" (really "link lost") flag as well
833 * since that implies losing the TCP connection.
835 wowlan_config_cmd
->wakeup_filter
|=
836 cpu_to_le32(IWL_WOWLAN_WAKEUP_REMOTE_LINK_LOSS
|
837 IWL_WOWLAN_WAKEUP_REMOTE_SIGNATURE_TABLE
|
838 IWL_WOWLAN_WAKEUP_REMOTE_WAKEUP_PACKET
|
839 IWL_WOWLAN_WAKEUP_LINK_CHANGE
);
846 iwl_mvm_wowlan_config(struct iwl_mvm
*mvm
,
847 struct cfg80211_wowlan
*wowlan
,
848 struct iwl_wowlan_config_cmd
*wowlan_config_cmd
,
849 struct ieee80211_vif
*vif
, struct iwl_mvm_vif
*mvmvif
,
850 struct ieee80211_sta
*ap_sta
)
852 struct iwl_wowlan_kek_kck_material_cmd kek_kck_cmd
= {};
853 struct iwl_wowlan_tkip_params_cmd tkip_cmd
= {};
854 struct wowlan_key_data key_data
= {
855 .use_rsc_tsc
= false,
861 ret
= iwl_mvm_switch_to_d3(mvm
);
865 ret
= iwl_mvm_d3_reprogram(mvm
, vif
, ap_sta
);
869 key_data
.rsc_tsc
= kzalloc(sizeof(*key_data
.rsc_tsc
), GFP_KERNEL
);
870 if (!key_data
.rsc_tsc
)
873 if (!iwlwifi_mod_params
.sw_crypto
) {
875 * This needs to be unlocked due to lock ordering
876 * constraints. Since we're in the suspend path
877 * that isn't really a problem though.
879 mutex_unlock(&mvm
->mutex
);
880 ieee80211_iter_keys(mvm
->hw
, vif
,
881 iwl_mvm_wowlan_program_keys
,
883 mutex_lock(&mvm
->mutex
);
884 if (key_data
.error
) {
889 if (key_data
.use_rsc_tsc
) {
890 struct iwl_host_cmd rsc_tsc_cmd
= {
891 .id
= WOWLAN_TSC_RSC_PARAM
,
892 .data
[0] = key_data
.rsc_tsc
,
893 .dataflags
[0] = IWL_HCMD_DFL_NOCOPY
,
894 .len
[0] = sizeof(*key_data
.rsc_tsc
),
897 ret
= iwl_mvm_send_cmd(mvm
, &rsc_tsc_cmd
);
902 if (key_data
.use_tkip
) {
903 ret
= iwl_mvm_send_cmd_pdu(mvm
,
911 if (mvmvif
->rekey_data
.valid
) {
912 memset(&kek_kck_cmd
, 0, sizeof(kek_kck_cmd
));
913 memcpy(kek_kck_cmd
.kck
, mvmvif
->rekey_data
.kck
,
915 kek_kck_cmd
.kck_len
= cpu_to_le16(NL80211_KCK_LEN
);
916 memcpy(kek_kck_cmd
.kek
, mvmvif
->rekey_data
.kek
,
918 kek_kck_cmd
.kek_len
= cpu_to_le16(NL80211_KEK_LEN
);
919 kek_kck_cmd
.replay_ctr
= mvmvif
->rekey_data
.replay_ctr
;
921 ret
= iwl_mvm_send_cmd_pdu(mvm
,
922 WOWLAN_KEK_KCK_MATERIAL
, 0,
930 ret
= iwl_mvm_send_cmd_pdu(mvm
, WOWLAN_CONFIGURATION
, 0,
931 sizeof(*wowlan_config_cmd
),
936 ret
= iwl_mvm_send_patterns(mvm
, wowlan
);
940 ret
= iwl_mvm_send_proto_offload(mvm
, vif
, false, 0);
944 ret
= iwl_mvm_send_remote_wake_cfg(mvm
, vif
, wowlan
->tcp
);
947 kfree(key_data
.rsc_tsc
);
952 iwl_mvm_netdetect_config(struct iwl_mvm
*mvm
,
953 struct cfg80211_wowlan
*wowlan
,
954 struct cfg80211_sched_scan_request
*nd_config
,
955 struct ieee80211_vif
*vif
)
957 struct iwl_wowlan_config_cmd wowlan_config_cmd
= {};
960 ret
= iwl_mvm_switch_to_d3(mvm
);
964 /* rfkill release can be either for wowlan or netdetect */
965 if (wowlan
->rfkill_release
)
966 wowlan_config_cmd
.wakeup_filter
|=
967 cpu_to_le32(IWL_WOWLAN_WAKEUP_RF_KILL_DEASSERT
);
969 ret
= iwl_mvm_send_cmd_pdu(mvm
, WOWLAN_CONFIGURATION
, 0,
970 sizeof(wowlan_config_cmd
),
975 ret
= iwl_mvm_sched_scan_start(mvm
, vif
, nd_config
, &mvm
->nd_ies
,
976 IWL_MVM_SCAN_NETDETECT
);
980 if (WARN_ON(mvm
->nd_match_sets
|| mvm
->nd_channels
))
983 /* save the sched scan matchsets... */
984 if (nd_config
->n_match_sets
) {
985 mvm
->nd_match_sets
= kmemdup(nd_config
->match_sets
,
986 sizeof(*nd_config
->match_sets
) *
987 nd_config
->n_match_sets
,
989 if (mvm
->nd_match_sets
)
990 mvm
->n_nd_match_sets
= nd_config
->n_match_sets
;
993 /* ...and the sched scan channels for later reporting */
994 mvm
->nd_channels
= kmemdup(nd_config
->channels
,
995 sizeof(*nd_config
->channels
) *
996 nd_config
->n_channels
,
998 if (mvm
->nd_channels
)
999 mvm
->n_nd_channels
= nd_config
->n_channels
;
1004 static void iwl_mvm_free_nd(struct iwl_mvm
*mvm
)
1006 kfree(mvm
->nd_match_sets
);
1007 mvm
->nd_match_sets
= NULL
;
1008 mvm
->n_nd_match_sets
= 0;
1009 kfree(mvm
->nd_channels
);
1010 mvm
->nd_channels
= NULL
;
1011 mvm
->n_nd_channels
= 0;
1014 static int __iwl_mvm_suspend(struct ieee80211_hw
*hw
,
1015 struct cfg80211_wowlan
*wowlan
,
1018 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1019 struct ieee80211_vif
*vif
= NULL
;
1020 struct iwl_mvm_vif
*mvmvif
= NULL
;
1021 struct ieee80211_sta
*ap_sta
= NULL
;
1022 struct iwl_d3_manager_config d3_cfg_cmd_data
= {
1024 * Program the minimum sleep time to 10 seconds, as many
1025 * platforms have issues processing a wakeup signal while
1026 * still being in the process of suspending.
1028 .min_sleep_time
= cpu_to_le32(10 * 1000 * 1000),
1030 struct iwl_host_cmd d3_cfg_cmd
= {
1031 .id
= D3_CONFIG_CMD
,
1032 .flags
= CMD_WANT_SKB
,
1033 .data
[0] = &d3_cfg_cmd_data
,
1034 .len
[0] = sizeof(d3_cfg_cmd_data
),
1037 int len __maybe_unused
;
1041 * mac80211 shouldn't get here, but for D3 test
1042 * it doesn't warrant a warning
1048 mutex_lock(&mvm
->mutex
);
1050 vif
= iwl_mvm_get_bss_vif(mvm
);
1051 if (IS_ERR_OR_NULL(vif
)) {
1056 mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1058 if (mvmvif
->ap_sta_id
== IWL_MVM_STATION_COUNT
) {
1059 /* if we're not associated, this must be netdetect */
1060 if (!wowlan
->nd_config
&& !mvm
->nd_config
) {
1065 ret
= iwl_mvm_netdetect_config(
1066 mvm
, wowlan
, wowlan
->nd_config
?: mvm
->nd_config
, vif
);
1070 mvm
->net_detect
= true;
1072 struct iwl_wowlan_config_cmd wowlan_config_cmd
= {};
1074 ap_sta
= rcu_dereference_protected(
1075 mvm
->fw_id_to_mac_id
[mvmvif
->ap_sta_id
],
1076 lockdep_is_held(&mvm
->mutex
));
1077 if (IS_ERR_OR_NULL(ap_sta
)) {
1082 ret
= iwl_mvm_get_wowlan_config(mvm
, wowlan
, &wowlan_config_cmd
,
1083 vif
, mvmvif
, ap_sta
);
1086 ret
= iwl_mvm_wowlan_config(mvm
, wowlan
, &wowlan_config_cmd
,
1087 vif
, mvmvif
, ap_sta
);
1091 mvm
->net_detect
= false;
1094 ret
= iwl_mvm_power_update_device(mvm
);
1098 ret
= iwl_mvm_power_update_mac(mvm
);
1102 #ifdef CONFIG_IWLWIFI_DEBUGFS
1103 if (mvm
->d3_wake_sysassert
)
1104 d3_cfg_cmd_data
.wakeup_flags
|=
1105 cpu_to_le32(IWL_WAKEUP_D3_CONFIG_FW_ERROR
);
1108 /* must be last -- this switches firmware state */
1109 ret
= iwl_mvm_send_cmd(mvm
, &d3_cfg_cmd
);
1112 #ifdef CONFIG_IWLWIFI_DEBUGFS
1113 len
= iwl_rx_packet_payload_len(d3_cfg_cmd
.resp_pkt
);
1114 if (len
>= sizeof(u32
)) {
1115 mvm
->d3_test_pme_ptr
=
1116 le32_to_cpup((__le32
*)d3_cfg_cmd
.resp_pkt
->data
);
1119 iwl_free_resp(&d3_cfg_cmd
);
1121 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
);
1123 iwl_trans_d3_suspend(mvm
->trans
, test
);
1126 iwl_mvm_ref(mvm
, IWL_MVM_REF_UCODE_DOWN
);
1127 ieee80211_restart_hw(mvm
->hw
);
1128 iwl_mvm_free_nd(mvm
);
1131 mutex_unlock(&mvm
->mutex
);
1136 static int iwl_mvm_enter_d0i3_sync(struct iwl_mvm
*mvm
)
1138 struct iwl_notification_wait wait_d3
;
1139 static const u16 d3_notif
[] = { D3_CONFIG_CMD
};
1142 iwl_init_notification_wait(&mvm
->notif_wait
, &wait_d3
,
1143 d3_notif
, ARRAY_SIZE(d3_notif
),
1146 ret
= iwl_mvm_enter_d0i3(mvm
->hw
->priv
);
1150 ret
= iwl_wait_notification(&mvm
->notif_wait
, &wait_d3
, HZ
);
1155 iwl_remove_notification(&mvm
->notif_wait
, &wait_d3
);
1159 int iwl_mvm_suspend(struct ieee80211_hw
*hw
, struct cfg80211_wowlan
*wowlan
)
1161 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1164 /* make sure the d0i3 exit work is not pending */
1165 flush_work(&mvm
->d0i3_exit_work
);
1167 ret
= iwl_trans_suspend(mvm
->trans
);
1171 mvm
->trans
->wowlan_d0i3
= wowlan
->any
;
1172 if (mvm
->trans
->wowlan_d0i3
) {
1173 /* 'any' trigger means d0i3 usage */
1174 if (mvm
->trans
->d0i3_mode
== IWL_D0I3_MODE_ON_SUSPEND
) {
1175 ret
= iwl_mvm_enter_d0i3_sync(mvm
);
1181 mutex_lock(&mvm
->d0i3_suspend_mutex
);
1182 __set_bit(D0I3_DEFER_WAKEUP
, &mvm
->d0i3_suspend_flags
);
1183 mutex_unlock(&mvm
->d0i3_suspend_mutex
);
1185 iwl_trans_d3_suspend(mvm
->trans
, false);
1190 return __iwl_mvm_suspend(hw
, wowlan
, false);
1193 /* converted data from the different status responses */
1194 struct iwl_wowlan_status_data
{
1198 u32 wake_packet_length
;
1199 u32 wake_packet_bufsize
;
1200 const u8
*wake_packet
;
1203 static void iwl_mvm_report_wakeup_reasons(struct iwl_mvm
*mvm
,
1204 struct ieee80211_vif
*vif
,
1205 struct iwl_wowlan_status_data
*status
)
1207 struct sk_buff
*pkt
= NULL
;
1208 struct cfg80211_wowlan_wakeup wakeup
= {
1211 struct cfg80211_wowlan_wakeup
*wakeup_report
= &wakeup
;
1212 u32 reasons
= status
->wakeup_reasons
;
1214 if (reasons
== IWL_WOWLAN_WAKEUP_BY_NON_WIRELESS
) {
1215 wakeup_report
= NULL
;
1219 if (reasons
& IWL_WOWLAN_WAKEUP_BY_MAGIC_PACKET
)
1220 wakeup
.magic_pkt
= true;
1222 if (reasons
& IWL_WOWLAN_WAKEUP_BY_PATTERN
)
1223 wakeup
.pattern_idx
=
1224 status
->pattern_number
;
1226 if (reasons
& (IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON
|
1227 IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH
))
1228 wakeup
.disconnect
= true;
1230 if (reasons
& IWL_WOWLAN_WAKEUP_BY_GTK_REKEY_FAILURE
)
1231 wakeup
.gtk_rekey_failure
= true;
1233 if (reasons
& IWL_WOWLAN_WAKEUP_BY_RFKILL_DEASSERTED
)
1234 wakeup
.rfkill_release
= true;
1236 if (reasons
& IWL_WOWLAN_WAKEUP_BY_EAPOL_REQUEST
)
1237 wakeup
.eap_identity_req
= true;
1239 if (reasons
& IWL_WOWLAN_WAKEUP_BY_FOUR_WAY_HANDSHAKE
)
1240 wakeup
.four_way_handshake
= true;
1242 if (reasons
& IWL_WOWLAN_WAKEUP_BY_REM_WAKE_LINK_LOSS
)
1243 wakeup
.tcp_connlost
= true;
1245 if (reasons
& IWL_WOWLAN_WAKEUP_BY_REM_WAKE_SIGNATURE_TABLE
)
1246 wakeup
.tcp_nomoretokens
= true;
1248 if (reasons
& IWL_WOWLAN_WAKEUP_BY_REM_WAKE_WAKEUP_PACKET
)
1249 wakeup
.tcp_match
= true;
1251 if (status
->wake_packet_bufsize
) {
1252 int pktsize
= status
->wake_packet_bufsize
;
1253 int pktlen
= status
->wake_packet_length
;
1254 const u8
*pktdata
= status
->wake_packet
;
1255 struct ieee80211_hdr
*hdr
= (void *)pktdata
;
1256 int truncated
= pktlen
- pktsize
;
1258 /* this would be a firmware bug */
1259 if (WARN_ON_ONCE(truncated
< 0))
1262 if (ieee80211_is_data(hdr
->frame_control
)) {
1263 int hdrlen
= ieee80211_hdrlen(hdr
->frame_control
);
1264 int ivlen
= 0, icvlen
= 4; /* also FCS */
1266 pkt
= alloc_skb(pktsize
, GFP_KERNEL
);
1270 memcpy(skb_put(pkt
, hdrlen
), pktdata
, hdrlen
);
1274 if (ieee80211_has_protected(hdr
->frame_control
)) {
1276 * This is unlocked and using gtk_i(c)vlen,
1277 * but since everything is under RTNL still
1278 * that's not really a problem - changing
1279 * it would be difficult.
1281 if (is_multicast_ether_addr(hdr
->addr1
)) {
1282 ivlen
= mvm
->gtk_ivlen
;
1283 icvlen
+= mvm
->gtk_icvlen
;
1285 ivlen
= mvm
->ptk_ivlen
;
1286 icvlen
+= mvm
->ptk_icvlen
;
1290 /* if truncated, FCS/ICV is (partially) gone */
1291 if (truncated
>= icvlen
) {
1293 truncated
-= icvlen
;
1295 icvlen
-= truncated
;
1299 pktsize
-= ivlen
+ icvlen
;
1302 memcpy(skb_put(pkt
, pktsize
), pktdata
, pktsize
);
1304 if (ieee80211_data_to_8023(pkt
, vif
->addr
, vif
->type
))
1306 wakeup
.packet
= pkt
->data
;
1307 wakeup
.packet_present_len
= pkt
->len
;
1308 wakeup
.packet_len
= pkt
->len
- truncated
;
1309 wakeup
.packet_80211
= false;
1313 if (truncated
>= 4) {
1317 fcslen
-= truncated
;
1321 wakeup
.packet
= status
->wake_packet
;
1322 wakeup
.packet_present_len
= pktsize
;
1323 wakeup
.packet_len
= pktlen
- truncated
;
1324 wakeup
.packet_80211
= true;
1329 ieee80211_report_wowlan_wakeup(vif
, wakeup_report
, GFP_KERNEL
);
1333 static void iwl_mvm_aes_sc_to_seq(struct aes_sc
*sc
,
1334 struct ieee80211_key_seq
*seq
)
1338 pn
= le64_to_cpu(sc
->pn
);
1339 seq
->ccmp
.pn
[0] = pn
>> 40;
1340 seq
->ccmp
.pn
[1] = pn
>> 32;
1341 seq
->ccmp
.pn
[2] = pn
>> 24;
1342 seq
->ccmp
.pn
[3] = pn
>> 16;
1343 seq
->ccmp
.pn
[4] = pn
>> 8;
1344 seq
->ccmp
.pn
[5] = pn
;
1347 static void iwl_mvm_tkip_sc_to_seq(struct tkip_sc
*sc
,
1348 struct ieee80211_key_seq
*seq
)
1350 seq
->tkip
.iv32
= le32_to_cpu(sc
->iv32
);
1351 seq
->tkip
.iv16
= le16_to_cpu(sc
->iv16
);
1354 static void iwl_mvm_set_aes_rx_seq(struct aes_sc
*scs
,
1355 struct ieee80211_key_conf
*key
)
1359 BUILD_BUG_ON(IWL_NUM_RSC
!= IEEE80211_NUM_TIDS
);
1361 for (tid
= 0; tid
< IWL_NUM_RSC
; tid
++) {
1362 struct ieee80211_key_seq seq
= {};
1364 iwl_mvm_aes_sc_to_seq(&scs
[tid
], &seq
);
1365 ieee80211_set_key_rx_seq(key
, tid
, &seq
);
1369 static void iwl_mvm_set_tkip_rx_seq(struct tkip_sc
*scs
,
1370 struct ieee80211_key_conf
*key
)
1374 BUILD_BUG_ON(IWL_NUM_RSC
!= IEEE80211_NUM_TIDS
);
1376 for (tid
= 0; tid
< IWL_NUM_RSC
; tid
++) {
1377 struct ieee80211_key_seq seq
= {};
1379 iwl_mvm_tkip_sc_to_seq(&scs
[tid
], &seq
);
1380 ieee80211_set_key_rx_seq(key
, tid
, &seq
);
1384 static void iwl_mvm_set_key_rx_seq(struct ieee80211_key_conf
*key
,
1385 struct iwl_wowlan_status
*status
)
1387 union iwl_all_tsc_rsc
*rsc
= &status
->gtk
.rsc
.all_tsc_rsc
;
1389 switch (key
->cipher
) {
1390 case WLAN_CIPHER_SUITE_CCMP
:
1391 iwl_mvm_set_aes_rx_seq(rsc
->aes
.multicast_rsc
, key
);
1393 case WLAN_CIPHER_SUITE_TKIP
:
1394 iwl_mvm_set_tkip_rx_seq(rsc
->tkip
.multicast_rsc
, key
);
1401 struct iwl_mvm_d3_gtk_iter_data
{
1402 struct iwl_wowlan_status
*status
;
1405 bool find_phase
, unhandled_cipher
;
1409 static void iwl_mvm_d3_update_gtks(struct ieee80211_hw
*hw
,
1410 struct ieee80211_vif
*vif
,
1411 struct ieee80211_sta
*sta
,
1412 struct ieee80211_key_conf
*key
,
1415 struct iwl_mvm_d3_gtk_iter_data
*data
= _data
;
1417 if (data
->unhandled_cipher
)
1420 switch (key
->cipher
) {
1421 case WLAN_CIPHER_SUITE_WEP40
:
1422 case WLAN_CIPHER_SUITE_WEP104
:
1423 /* ignore WEP completely, nothing to do */
1425 case WLAN_CIPHER_SUITE_CCMP
:
1426 case WLAN_CIPHER_SUITE_TKIP
:
1427 /* we support these */
1430 /* everything else (even CMAC for MFP) - disconnect from AP */
1431 data
->unhandled_cipher
= true;
1438 * pairwise key - update sequence counters only;
1439 * note that this assumes no TDLS sessions are active
1442 struct ieee80211_key_seq seq
= {};
1443 union iwl_all_tsc_rsc
*sc
= &data
->status
->gtk
.rsc
.all_tsc_rsc
;
1445 if (data
->find_phase
)
1448 switch (key
->cipher
) {
1449 case WLAN_CIPHER_SUITE_CCMP
:
1450 iwl_mvm_set_aes_rx_seq(sc
->aes
.unicast_rsc
, key
);
1451 atomic64_set(&key
->tx_pn
, le64_to_cpu(sc
->aes
.tsc
.pn
));
1453 case WLAN_CIPHER_SUITE_TKIP
:
1454 iwl_mvm_tkip_sc_to_seq(&sc
->tkip
.tsc
, &seq
);
1455 iwl_mvm_set_tkip_rx_seq(sc
->tkip
.unicast_rsc
, key
);
1456 ieee80211_set_key_tx_seq(key
, &seq
);
1460 /* that's it for this key */
1464 if (data
->find_phase
) {
1465 data
->last_gtk
= key
;
1466 data
->cipher
= key
->cipher
;
1470 if (data
->status
->num_of_gtk_rekeys
)
1471 ieee80211_remove_key(key
);
1472 else if (data
->last_gtk
== key
)
1473 iwl_mvm_set_key_rx_seq(key
, data
->status
);
1476 static bool iwl_mvm_setup_connection_keep(struct iwl_mvm
*mvm
,
1477 struct ieee80211_vif
*vif
,
1478 struct iwl_wowlan_status
*status
)
1480 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1481 struct iwl_mvm_d3_gtk_iter_data gtkdata
= {
1484 u32 disconnection_reasons
=
1485 IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON
|
1486 IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH
;
1488 if (!status
|| !vif
->bss_conf
.bssid
)
1491 if (le32_to_cpu(status
->wakeup_reasons
) & disconnection_reasons
)
1494 /* find last GTK that we used initially, if any */
1495 gtkdata
.find_phase
= true;
1496 ieee80211_iter_keys(mvm
->hw
, vif
,
1497 iwl_mvm_d3_update_gtks
, >kdata
);
1498 /* not trying to keep connections with MFP/unhandled ciphers */
1499 if (gtkdata
.unhandled_cipher
)
1501 if (!gtkdata
.num_keys
)
1503 if (!gtkdata
.last_gtk
)
1507 * invalidate all other GTKs that might still exist and update
1508 * the one that we used
1510 gtkdata
.find_phase
= false;
1511 ieee80211_iter_keys(mvm
->hw
, vif
,
1512 iwl_mvm_d3_update_gtks
, >kdata
);
1514 if (status
->num_of_gtk_rekeys
) {
1515 struct ieee80211_key_conf
*key
;
1517 struct ieee80211_key_conf conf
;
1520 .conf
.cipher
= gtkdata
.cipher
,
1521 .conf
.keyidx
= status
->gtk
.key_index
,
1524 switch (gtkdata
.cipher
) {
1525 case WLAN_CIPHER_SUITE_CCMP
:
1526 conf
.conf
.keylen
= WLAN_KEY_LEN_CCMP
;
1527 memcpy(conf
.conf
.key
, status
->gtk
.decrypt_key
,
1530 case WLAN_CIPHER_SUITE_TKIP
:
1531 conf
.conf
.keylen
= WLAN_KEY_LEN_TKIP
;
1532 memcpy(conf
.conf
.key
, status
->gtk
.decrypt_key
, 16);
1533 /* leave TX MIC key zeroed, we don't use it anyway */
1534 memcpy(conf
.conf
.key
+
1535 NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY
,
1536 status
->gtk
.tkip_mic_key
, 8);
1540 key
= ieee80211_gtk_rekey_add(vif
, &conf
.conf
);
1543 iwl_mvm_set_key_rx_seq(key
, status
);
1546 if (status
->num_of_gtk_rekeys
) {
1548 cpu_to_be64(le64_to_cpu(status
->replay_ctr
));
1549 ieee80211_gtk_rekey_notify(vif
, vif
->bss_conf
.bssid
,
1550 (void *)&replay_ctr
, GFP_KERNEL
);
1554 mvmvif
->seqno_valid
= true;
1555 /* +0x10 because the set API expects next-to-use, not last-used */
1556 mvmvif
->seqno
= le16_to_cpu(status
->non_qos_seq_ctr
) + 0x10;
1561 static struct iwl_wowlan_status
*
1562 iwl_mvm_get_wakeup_status(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
)
1564 u32 base
= mvm
->error_event_table
;
1565 struct error_table_start
{
1566 /* cf. struct iwl_error_event_table */
1570 struct iwl_host_cmd cmd
= {
1571 .id
= WOWLAN_GET_STATUSES
,
1572 .flags
= CMD_WANT_SKB
,
1574 struct iwl_wowlan_status
*status
, *fw_status
;
1575 int ret
, len
, status_size
;
1577 iwl_trans_read_mem_bytes(mvm
->trans
, base
,
1578 &err_info
, sizeof(err_info
));
1580 if (err_info
.valid
) {
1581 IWL_INFO(mvm
, "error table is valid (%d) with error (%d)\n",
1582 err_info
.valid
, err_info
.error_id
);
1583 if (err_info
.error_id
== RF_KILL_INDICATOR_FOR_WOWLAN
) {
1584 struct cfg80211_wowlan_wakeup wakeup
= {
1585 .rfkill_release
= true,
1587 ieee80211_report_wowlan_wakeup(vif
, &wakeup
,
1590 return ERR_PTR(-EIO
);
1593 /* only for tracing for now */
1594 ret
= iwl_mvm_send_cmd_pdu(mvm
, OFFLOADS_QUERY_CMD
, 0, 0, NULL
);
1596 IWL_ERR(mvm
, "failed to query offload statistics (%d)\n", ret
);
1598 ret
= iwl_mvm_send_cmd(mvm
, &cmd
);
1600 IWL_ERR(mvm
, "failed to query status (%d)\n", ret
);
1601 return ERR_PTR(ret
);
1604 /* RF-kill already asserted again... */
1605 if (!cmd
.resp_pkt
) {
1606 fw_status
= ERR_PTR(-ERFKILL
);
1610 status_size
= sizeof(*fw_status
);
1612 len
= iwl_rx_packet_payload_len(cmd
.resp_pkt
);
1613 if (len
< status_size
) {
1614 IWL_ERR(mvm
, "Invalid WoWLAN status response!\n");
1615 fw_status
= ERR_PTR(-EIO
);
1619 status
= (void *)cmd
.resp_pkt
->data
;
1620 if (len
!= (status_size
+
1621 ALIGN(le32_to_cpu(status
->wake_packet_bufsize
), 4))) {
1622 IWL_ERR(mvm
, "Invalid WoWLAN status response!\n");
1623 fw_status
= ERR_PTR(-EIO
);
1627 fw_status
= kmemdup(status
, len
, GFP_KERNEL
);
1630 iwl_free_resp(&cmd
);
1634 /* releases the MVM mutex */
1635 static bool iwl_mvm_query_wakeup_reasons(struct iwl_mvm
*mvm
,
1636 struct ieee80211_vif
*vif
)
1638 struct iwl_wowlan_status_data status
;
1639 struct iwl_wowlan_status
*fw_status
;
1642 struct ieee80211_sta
*ap_sta
;
1643 struct iwl_mvm_sta
*mvm_ap_sta
;
1645 fw_status
= iwl_mvm_get_wakeup_status(mvm
, vif
);
1646 if (IS_ERR_OR_NULL(fw_status
))
1649 status
.pattern_number
= le16_to_cpu(fw_status
->pattern_number
);
1650 for (i
= 0; i
< 8; i
++)
1651 status
.qos_seq_ctr
[i
] =
1652 le16_to_cpu(fw_status
->qos_seq_ctr
[i
]);
1653 status
.wakeup_reasons
= le32_to_cpu(fw_status
->wakeup_reasons
);
1654 status
.wake_packet_length
=
1655 le32_to_cpu(fw_status
->wake_packet_length
);
1656 status
.wake_packet_bufsize
=
1657 le32_to_cpu(fw_status
->wake_packet_bufsize
);
1658 status
.wake_packet
= fw_status
->wake_packet
;
1660 /* still at hard-coded place 0 for D3 image */
1661 ap_sta
= rcu_dereference_protected(
1662 mvm
->fw_id_to_mac_id
[0],
1663 lockdep_is_held(&mvm
->mutex
));
1664 if (IS_ERR_OR_NULL(ap_sta
))
1667 mvm_ap_sta
= iwl_mvm_sta_from_mac80211(ap_sta
);
1668 for (i
= 0; i
< IWL_MAX_TID_COUNT
; i
++) {
1669 u16 seq
= status
.qos_seq_ctr
[i
];
1670 /* firmware stores last-used value, we store next value */
1672 mvm_ap_sta
->tid_data
[i
].seq_number
= seq
;
1675 /* now we have all the data we need, unlock to avoid mac80211 issues */
1676 mutex_unlock(&mvm
->mutex
);
1678 iwl_mvm_report_wakeup_reasons(mvm
, vif
, &status
);
1680 keep
= iwl_mvm_setup_connection_keep(mvm
, vif
, fw_status
);
1688 mutex_unlock(&mvm
->mutex
);
1692 struct iwl_mvm_nd_query_results
{
1693 u32 matched_profiles
;
1694 struct iwl_scan_offload_profile_match matches
[IWL_SCAN_MAX_PROFILES
];
1698 iwl_mvm_netdetect_query_results(struct iwl_mvm
*mvm
,
1699 struct iwl_mvm_nd_query_results
*results
)
1701 struct iwl_scan_offload_profiles_query
*query
;
1702 struct iwl_host_cmd cmd
= {
1703 .id
= SCAN_OFFLOAD_PROFILES_QUERY_CMD
,
1704 .flags
= CMD_WANT_SKB
,
1708 ret
= iwl_mvm_send_cmd(mvm
, &cmd
);
1710 IWL_ERR(mvm
, "failed to query matched profiles (%d)\n", ret
);
1714 /* RF-kill already asserted again... */
1715 if (!cmd
.resp_pkt
) {
1720 len
= iwl_rx_packet_payload_len(cmd
.resp_pkt
);
1721 if (len
< sizeof(*query
)) {
1722 IWL_ERR(mvm
, "Invalid scan offload profiles query response!\n");
1727 query
= (void *)cmd
.resp_pkt
->data
;
1729 results
->matched_profiles
= le32_to_cpu(query
->matched_profiles
);
1730 memcpy(results
->matches
, query
->matches
, sizeof(results
->matches
));
1732 #ifdef CONFIG_IWLWIFI_DEBUGFS
1733 mvm
->last_netdetect_scans
= le32_to_cpu(query
->n_scans_done
);
1737 iwl_free_resp(&cmd
);
1741 static void iwl_mvm_query_netdetect_reasons(struct iwl_mvm
*mvm
,
1742 struct ieee80211_vif
*vif
)
1744 struct cfg80211_wowlan_nd_info
*net_detect
= NULL
;
1745 struct cfg80211_wowlan_wakeup wakeup
= {
1748 struct cfg80211_wowlan_wakeup
*wakeup_report
= &wakeup
;
1749 struct iwl_mvm_nd_query_results query
;
1750 struct iwl_wowlan_status
*fw_status
;
1751 unsigned long matched_profiles
;
1753 int i
, j
, n_matches
, ret
;
1755 fw_status
= iwl_mvm_get_wakeup_status(mvm
, vif
);
1756 if (!IS_ERR_OR_NULL(fw_status
)) {
1757 reasons
= le32_to_cpu(fw_status
->wakeup_reasons
);
1761 if (reasons
& IWL_WOWLAN_WAKEUP_BY_RFKILL_DEASSERTED
)
1762 wakeup
.rfkill_release
= true;
1764 if (reasons
!= IWL_WOWLAN_WAKEUP_BY_NON_WIRELESS
)
1767 ret
= iwl_mvm_netdetect_query_results(mvm
, &query
);
1768 if (ret
|| !query
.matched_profiles
) {
1769 wakeup_report
= NULL
;
1773 matched_profiles
= query
.matched_profiles
;
1774 if (mvm
->n_nd_match_sets
) {
1775 n_matches
= hweight_long(matched_profiles
);
1777 IWL_ERR(mvm
, "no net detect match information available\n");
1781 net_detect
= kzalloc(sizeof(*net_detect
) +
1782 (n_matches
* sizeof(net_detect
->matches
[0])),
1784 if (!net_detect
|| !n_matches
)
1787 for_each_set_bit(i
, &matched_profiles
, mvm
->n_nd_match_sets
) {
1788 struct iwl_scan_offload_profile_match
*fw_match
;
1789 struct cfg80211_wowlan_nd_match
*match
;
1790 int idx
, n_channels
= 0;
1792 fw_match
= &query
.matches
[i
];
1794 for (j
= 0; j
< SCAN_OFFLOAD_MATCHING_CHANNELS_LEN
; j
++)
1795 n_channels
+= hweight8(fw_match
->matching_channels
[j
]);
1797 match
= kzalloc(sizeof(*match
) +
1798 (n_channels
* sizeof(*match
->channels
)),
1803 net_detect
->matches
[net_detect
->n_matches
++] = match
;
1805 /* We inverted the order of the SSIDs in the scan
1806 * request, so invert the index here.
1808 idx
= mvm
->n_nd_match_sets
- i
- 1;
1809 match
->ssid
.ssid_len
= mvm
->nd_match_sets
[idx
].ssid
.ssid_len
;
1810 memcpy(match
->ssid
.ssid
, mvm
->nd_match_sets
[idx
].ssid
.ssid
,
1811 match
->ssid
.ssid_len
);
1813 if (mvm
->n_nd_channels
< n_channels
)
1816 for (j
= 0; j
< SCAN_OFFLOAD_MATCHING_CHANNELS_LEN
* 8; j
++)
1817 if (fw_match
->matching_channels
[j
/ 8] & (BIT(j
% 8)))
1818 match
->channels
[match
->n_channels
++] =
1819 mvm
->nd_channels
[j
]->center_freq
;
1823 wakeup
.net_detect
= net_detect
;
1825 iwl_mvm_free_nd(mvm
);
1827 mutex_unlock(&mvm
->mutex
);
1828 ieee80211_report_wowlan_wakeup(vif
, wakeup_report
, GFP_KERNEL
);
1831 for (i
= 0; i
< net_detect
->n_matches
; i
++)
1832 kfree(net_detect
->matches
[i
]);
1837 static void iwl_mvm_read_d3_sram(struct iwl_mvm
*mvm
)
1839 #ifdef CONFIG_IWLWIFI_DEBUGFS
1840 const struct fw_img
*img
= &mvm
->fw
->img
[IWL_UCODE_WOWLAN
];
1841 u32 len
= img
->sec
[IWL_UCODE_SECTION_DATA
].len
;
1842 u32 offs
= img
->sec
[IWL_UCODE_SECTION_DATA
].offset
;
1844 if (!mvm
->store_d3_resume_sram
)
1847 if (!mvm
->d3_resume_sram
) {
1848 mvm
->d3_resume_sram
= kzalloc(len
, GFP_KERNEL
);
1849 if (!mvm
->d3_resume_sram
)
1853 iwl_trans_read_mem_bytes(mvm
->trans
, offs
, mvm
->d3_resume_sram
, len
);
1857 static void iwl_mvm_d3_disconnect_iter(void *data
, u8
*mac
,
1858 struct ieee80211_vif
*vif
)
1860 /* skip the one we keep connection on */
1864 if (vif
->type
== NL80211_IFTYPE_STATION
)
1865 ieee80211_resume_disconnect(vif
);
1868 static int __iwl_mvm_resume(struct iwl_mvm
*mvm
, bool test
)
1870 struct ieee80211_vif
*vif
= NULL
;
1872 enum iwl_d3_status d3_status
;
1875 mutex_lock(&mvm
->mutex
);
1877 /* get the BSS vif pointer again */
1878 vif
= iwl_mvm_get_bss_vif(mvm
);
1879 if (IS_ERR_OR_NULL(vif
))
1882 ret
= iwl_trans_d3_resume(mvm
->trans
, &d3_status
, test
);
1886 if (d3_status
!= IWL_D3_STATUS_ALIVE
) {
1887 IWL_INFO(mvm
, "Device was reset during suspend\n");
1891 /* query SRAM first in case we want event logging */
1892 iwl_mvm_read_d3_sram(mvm
);
1895 * Query the current location and source from the D3 firmware so we
1896 * can play it back when we re-intiailize the D0 firmware
1898 iwl_mvm_update_changed_regdom(mvm
);
1900 if (mvm
->net_detect
) {
1901 iwl_mvm_query_netdetect_reasons(mvm
, vif
);
1902 /* has unlocked the mutex, so skip that */
1905 keep
= iwl_mvm_query_wakeup_reasons(mvm
, vif
);
1906 #ifdef CONFIG_IWLWIFI_DEBUGFS
1908 mvm
->keep_vif
= vif
;
1910 /* has unlocked the mutex, so skip that */
1915 iwl_mvm_free_nd(mvm
);
1916 mutex_unlock(&mvm
->mutex
);
1920 ieee80211_iterate_active_interfaces_rtnl(mvm
->hw
,
1921 IEEE80211_IFACE_ITER_NORMAL
,
1922 iwl_mvm_d3_disconnect_iter
, keep
? vif
: NULL
);
1925 /* return 1 to reconfigure the device */
1926 set_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
);
1927 set_bit(IWL_MVM_STATUS_D3_RECONFIG
, &mvm
->status
);
1929 /* We always return 1, which causes mac80211 to do a reconfig
1930 * with IEEE80211_RECONFIG_TYPE_RESTART. This type of
1931 * reconfig calls iwl_mvm_restart_complete(), where we unref
1932 * the IWL_MVM_REF_UCODE_DOWN, so we need to take the
1935 iwl_mvm_ref(mvm
, IWL_MVM_REF_UCODE_DOWN
);
1939 static int iwl_mvm_resume_d3(struct iwl_mvm
*mvm
)
1941 iwl_trans_resume(mvm
->trans
);
1943 return __iwl_mvm_resume(mvm
, false);
1946 static int iwl_mvm_resume_d0i3(struct iwl_mvm
*mvm
)
1949 enum iwl_d3_status d3_status
;
1951 iwl_trans_d3_resume(mvm
->trans
, &d3_status
, false);
1954 * make sure to clear D0I3_DEFER_WAKEUP before
1955 * calling iwl_trans_resume(), which might wait
1956 * for d0i3 exit completion.
1958 mutex_lock(&mvm
->d0i3_suspend_mutex
);
1959 __clear_bit(D0I3_DEFER_WAKEUP
, &mvm
->d0i3_suspend_flags
);
1960 exit_now
= __test_and_clear_bit(D0I3_PENDING_WAKEUP
,
1961 &mvm
->d0i3_suspend_flags
);
1962 mutex_unlock(&mvm
->d0i3_suspend_mutex
);
1964 IWL_DEBUG_RPM(mvm
, "Run deferred d0i3 exit\n");
1965 _iwl_mvm_exit_d0i3(mvm
);
1968 iwl_trans_resume(mvm
->trans
);
1970 if (mvm
->trans
->d0i3_mode
== IWL_D0I3_MODE_ON_SUSPEND
) {
1971 int ret
= iwl_mvm_exit_d0i3(mvm
->hw
->priv
);
1976 * d0i3 exit will be deferred until reconfig_complete.
1977 * make sure there we are out of d0i3.
1983 int iwl_mvm_resume(struct ieee80211_hw
*hw
)
1985 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1987 /* 'any' trigger means d0i3 was used */
1988 if (hw
->wiphy
->wowlan_config
->any
)
1989 return iwl_mvm_resume_d0i3(mvm
);
1991 return iwl_mvm_resume_d3(mvm
);
1994 void iwl_mvm_set_wakeup(struct ieee80211_hw
*hw
, bool enabled
)
1996 struct iwl_mvm
*mvm
= IWL_MAC80211_GET_MVM(hw
);
1998 device_set_wakeup_enable(mvm
->trans
->dev
, enabled
);
2001 #ifdef CONFIG_IWLWIFI_DEBUGFS
2002 static int iwl_mvm_d3_test_open(struct inode
*inode
, struct file
*file
)
2004 struct iwl_mvm
*mvm
= inode
->i_private
;
2007 if (mvm
->d3_test_active
)
2010 file
->private_data
= inode
->i_private
;
2012 ieee80211_stop_queues(mvm
->hw
);
2015 /* start pseudo D3 */
2017 err
= __iwl_mvm_suspend(mvm
->hw
, mvm
->hw
->wiphy
->wowlan_config
, true);
2022 ieee80211_wake_queues(mvm
->hw
);
2025 mvm
->d3_test_active
= true;
2026 mvm
->keep_vif
= NULL
;
2030 static ssize_t
iwl_mvm_d3_test_read(struct file
*file
, char __user
*user_buf
,
2031 size_t count
, loff_t
*ppos
)
2033 struct iwl_mvm
*mvm
= file
->private_data
;
2037 /* read pme_ptr if available */
2038 if (mvm
->d3_test_pme_ptr
) {
2039 pme_asserted
= iwl_trans_read_mem32(mvm
->trans
,
2040 mvm
->d3_test_pme_ptr
);
2045 if (msleep_interruptible(100))
2052 static void iwl_mvm_d3_test_disconn_work_iter(void *_data
, u8
*mac
,
2053 struct ieee80211_vif
*vif
)
2055 /* skip the one we keep connection on */
2059 if (vif
->type
== NL80211_IFTYPE_STATION
)
2060 ieee80211_connection_loss(vif
);
2063 static int iwl_mvm_d3_test_release(struct inode
*inode
, struct file
*file
)
2065 struct iwl_mvm
*mvm
= inode
->i_private
;
2066 int remaining_time
= 10;
2068 mvm
->d3_test_active
= false;
2070 __iwl_mvm_resume(mvm
, true);
2072 iwl_abort_notification_waits(&mvm
->notif_wait
);
2073 ieee80211_restart_hw(mvm
->hw
);
2075 /* wait for restart and disconnect all interfaces */
2076 while (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
) &&
2077 remaining_time
> 0) {
2082 if (remaining_time
== 0)
2083 IWL_ERR(mvm
, "Timed out waiting for HW restart to finish!\n");
2085 ieee80211_iterate_active_interfaces_atomic(
2086 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
2087 iwl_mvm_d3_test_disconn_work_iter
, mvm
->keep_vif
);
2089 ieee80211_wake_queues(mvm
->hw
);
2094 const struct file_operations iwl_dbgfs_d3_test_ops
= {
2095 .llseek
= no_llseek
,
2096 .open
= iwl_mvm_d3_test_open
,
2097 .read
= iwl_mvm_d3_test_read
,
2098 .release
= iwl_mvm_d3_test_release
,