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 *****************************************************************************/
64 #include <linux/etherdevice.h>
67 #include <net/cfg80211.h>
70 #include "iwl-modparams.h"
74 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
75 struct ieee80211_vif *vif,
76 struct cfg80211_gtk_rekey_data *data)
78 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
79 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
81 if (iwlwifi_mod_params.sw_crypto)
84 mutex_lock(&mvm->mutex);
86 memcpy(mvmvif->rekey_data.kek, data->kek, NL80211_KEK_LEN);
87 memcpy(mvmvif->rekey_data.kck, data->kck, NL80211_KCK_LEN);
88 mvmvif->rekey_data.replay_ctr =
89 cpu_to_le64(be64_to_cpup((__be64 *)&data->replay_ctr));
90 mvmvif->rekey_data.valid = true;
92 mutex_unlock(&mvm->mutex);
95 #if IS_ENABLED(CONFIG_IPV6)
96 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
97 struct ieee80211_vif *vif,
98 struct inet6_dev *idev)
100 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
101 struct inet6_ifaddr *ifa;
104 read_lock_bh(&idev->lock);
105 list_for_each_entry(ifa, &idev->addr_list, if_list) {
106 mvmvif->target_ipv6_addrs[idx] = ifa->addr;
108 if (idx >= IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS)
111 read_unlock_bh(&idev->lock);
113 mvmvif->num_target_ipv6_addrs = idx;
117 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
118 struct ieee80211_vif *vif, int idx)
120 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
122 mvmvif->tx_key_idx = idx;
125 static void iwl_mvm_convert_p1k(u16 *p1k, __le16 *out)
129 for (i = 0; i < IWL_P1K_SIZE; i++)
130 out[i] = cpu_to_le16(p1k[i]);
133 struct wowlan_key_data {
134 struct iwl_wowlan_rsc_tsc_params_cmd *rsc_tsc;
135 struct iwl_wowlan_tkip_params_cmd *tkip;
136 bool error, use_rsc_tsc, use_tkip;
140 static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw,
141 struct ieee80211_vif *vif,
142 struct ieee80211_sta *sta,
143 struct ieee80211_key_conf *key,
146 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
147 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
148 struct wowlan_key_data *data = _data;
149 struct aes_sc *aes_sc, *aes_tx_sc = NULL;
150 struct tkip_sc *tkip_sc, *tkip_tx_sc = NULL;
151 struct iwl_p1k_cache *rx_p1ks;
153 struct ieee80211_key_seq seq;
155 u16 p1k[IWL_P1K_SIZE];
158 mutex_lock(&mvm->mutex);
160 switch (key->cipher) {
161 case WLAN_CIPHER_SUITE_WEP40:
162 case WLAN_CIPHER_SUITE_WEP104: { /* hack it for now */
164 struct iwl_mvm_wep_key_cmd wep_key_cmd;
165 struct iwl_mvm_wep_key wep_key;
167 .wep_key_cmd.mac_id_n_color =
168 cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
170 .wep_key_cmd.num_keys = 1,
171 /* firmware sets STA_KEY_FLG_WEP_13BYTES */
172 .wep_key_cmd.decryption_type = STA_KEY_FLG_WEP,
173 .wep_key.key_index = key->keyidx,
174 .wep_key.key_size = key->keylen,
178 * This will fail -- the key functions don't set support
179 * pairwise WEP keys. However, that's better than silently
180 * failing WoWLAN. Or maybe not?
182 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
185 memcpy(&wkc.wep_key.key[3], key->key, key->keylen);
186 if (key->keyidx == mvmvif->tx_key_idx) {
187 /* TX key must be at offset 0 */
188 wkc.wep_key.key_offset = 0;
190 /* others start at 1 */
192 wkc.wep_key.key_offset = data->wep_key_idx;
195 ret = iwl_mvm_send_cmd_pdu(mvm, WEP_KEY, CMD_SYNC,
197 data->error = ret != 0;
199 mvm->ptk_ivlen = key->iv_len;
200 mvm->ptk_icvlen = key->icv_len;
201 mvm->gtk_ivlen = key->iv_len;
202 mvm->gtk_icvlen = key->icv_len;
204 /* don't upload key again */
210 case WLAN_CIPHER_SUITE_AES_CMAC:
212 * Ignore CMAC keys -- the WoWLAN firmware doesn't support them
213 * but we also shouldn't abort suspend due to that. It does have
214 * support for the IGTK key renewal, but doesn't really use the
215 * IGTK for anything. This means we could spuriously wake up or
216 * be deauthenticated, but that was considered acceptable.
219 case WLAN_CIPHER_SUITE_TKIP:
221 tkip_sc = data->rsc_tsc->all_tsc_rsc.tkip.unicast_rsc;
222 tkip_tx_sc = &data->rsc_tsc->all_tsc_rsc.tkip.tsc;
224 rx_p1ks = data->tkip->rx_uni;
226 ieee80211_get_key_tx_seq(key, &seq);
227 tkip_tx_sc->iv16 = cpu_to_le16(seq.tkip.iv16);
228 tkip_tx_sc->iv32 = cpu_to_le32(seq.tkip.iv32);
230 ieee80211_get_tkip_p1k_iv(key, seq.tkip.iv32, p1k);
231 iwl_mvm_convert_p1k(p1k, data->tkip->tx.p1k);
233 memcpy(data->tkip->mic_keys.tx,
234 &key->key[NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY],
237 rx_mic_key = data->tkip->mic_keys.rx_unicast;
240 data->rsc_tsc->all_tsc_rsc.tkip.multicast_rsc;
241 rx_p1ks = data->tkip->rx_multi;
242 rx_mic_key = data->tkip->mic_keys.rx_mcast;
246 * For non-QoS this relies on the fact that both the uCode and
247 * mac80211 use TID 0 (as they need to to avoid replay attacks)
248 * for checking the IV in the frames.
250 for (i = 0; i < IWL_NUM_RSC; i++) {
251 ieee80211_get_key_rx_seq(key, i, &seq);
252 tkip_sc[i].iv16 = cpu_to_le16(seq.tkip.iv16);
253 tkip_sc[i].iv32 = cpu_to_le32(seq.tkip.iv32);
254 /* wrapping isn't allowed, AP must rekey */
255 if (seq.tkip.iv32 > cur_rx_iv32)
256 cur_rx_iv32 = seq.tkip.iv32;
259 ieee80211_get_tkip_rx_p1k(key, vif->bss_conf.bssid,
261 iwl_mvm_convert_p1k(p1k, rx_p1ks[0].p1k);
262 ieee80211_get_tkip_rx_p1k(key, vif->bss_conf.bssid,
263 cur_rx_iv32 + 1, p1k);
264 iwl_mvm_convert_p1k(p1k, rx_p1ks[1].p1k);
267 &key->key[NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY],
270 data->use_tkip = true;
271 data->use_rsc_tsc = true;
273 case WLAN_CIPHER_SUITE_CCMP:
275 u8 *pn = seq.ccmp.pn;
277 aes_sc = data->rsc_tsc->all_tsc_rsc.aes.unicast_rsc;
278 aes_tx_sc = &data->rsc_tsc->all_tsc_rsc.aes.tsc;
280 ieee80211_get_key_tx_seq(key, &seq);
281 aes_tx_sc->pn = cpu_to_le64((u64)pn[5] |
288 aes_sc = data->rsc_tsc->all_tsc_rsc.aes.multicast_rsc;
292 * For non-QoS this relies on the fact that both the uCode and
293 * mac80211 use TID 0 for checking the IV in the frames.
295 for (i = 0; i < IWL_NUM_RSC; i++) {
296 u8 *pn = seq.ccmp.pn;
298 ieee80211_get_key_rx_seq(key, i, &seq);
299 aes_sc->pn = cpu_to_le64((u64)pn[5] |
306 data->use_rsc_tsc = true;
311 * The D3 firmware hardcodes the key offset 0 as the key it uses
312 * to transmit packets to the AP, i.e. the PTK.
314 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
316 mvm->ptk_ivlen = key->iv_len;
317 mvm->ptk_icvlen = key->icv_len;
320 * firmware only supports TSC/RSC for a single key,
321 * so if there are multiple keep overwriting them
322 * with new ones -- this relies on mac80211 doing
326 mvm->gtk_ivlen = key->iv_len;
327 mvm->gtk_icvlen = key->icv_len;
330 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, true);
331 data->error = ret != 0;
333 mutex_unlock(&mvm->mutex);
336 static int iwl_mvm_send_patterns(struct iwl_mvm *mvm,
337 struct cfg80211_wowlan *wowlan)
339 struct iwl_wowlan_patterns_cmd *pattern_cmd;
340 struct iwl_host_cmd cmd = {
341 .id = WOWLAN_PATTERNS,
342 .dataflags[0] = IWL_HCMD_DFL_NOCOPY,
347 if (!wowlan->n_patterns)
350 cmd.len[0] = sizeof(*pattern_cmd) +
351 wowlan->n_patterns * sizeof(struct iwl_wowlan_pattern);
353 pattern_cmd = kmalloc(cmd.len[0], GFP_KERNEL);
357 pattern_cmd->n_patterns = cpu_to_le32(wowlan->n_patterns);
359 for (i = 0; i < wowlan->n_patterns; i++) {
360 int mask_len = DIV_ROUND_UP(wowlan->patterns[i].pattern_len, 8);
362 memcpy(&pattern_cmd->patterns[i].mask,
363 wowlan->patterns[i].mask, mask_len);
364 memcpy(&pattern_cmd->patterns[i].pattern,
365 wowlan->patterns[i].pattern,
366 wowlan->patterns[i].pattern_len);
367 pattern_cmd->patterns[i].mask_size = mask_len;
368 pattern_cmd->patterns[i].pattern_size =
369 wowlan->patterns[i].pattern_len;
372 cmd.data[0] = pattern_cmd;
373 err = iwl_mvm_send_cmd(mvm, &cmd);
378 static int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
379 struct ieee80211_vif *vif)
381 struct iwl_proto_offload_cmd cmd = {};
382 #if IS_ENABLED(CONFIG_IPV6)
383 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
386 if (mvmvif->num_target_ipv6_addrs) {
387 cmd.enabled |= cpu_to_le32(IWL_D3_PROTO_OFFLOAD_NS);
388 memcpy(cmd.ndp_mac_addr, vif->addr, ETH_ALEN);
391 BUILD_BUG_ON(sizeof(cmd.target_ipv6_addr[i]) !=
392 sizeof(mvmvif->target_ipv6_addrs[i]));
394 for (i = 0; i < mvmvif->num_target_ipv6_addrs; i++)
395 memcpy(cmd.target_ipv6_addr[i],
396 &mvmvif->target_ipv6_addrs[i],
397 sizeof(cmd.target_ipv6_addr[i]));
400 if (vif->bss_conf.arp_addr_cnt) {
401 cmd.enabled |= cpu_to_le32(IWL_D3_PROTO_OFFLOAD_ARP);
402 cmd.host_ipv4_addr = vif->bss_conf.arp_addr_list[0];
403 memcpy(cmd.arp_mac_addr, vif->addr, ETH_ALEN);
409 return iwl_mvm_send_cmd_pdu(mvm, PROT_OFFLOAD_CONFIG_CMD, CMD_SYNC,
413 enum iwl_mvm_tcp_packet_type {
422 static __le16 pseudo_hdr_check(int len, __be32 saddr, __be32 daddr)
424 __sum16 check = tcp_v4_check(len, saddr, daddr, 0);
425 return cpu_to_le16(be16_to_cpu((__force __be16)check));
428 static void iwl_mvm_build_tcp_packet(struct ieee80211_vif *vif,
429 struct cfg80211_wowlan_tcp *tcp,
430 void *_pkt, u8 *mask,
431 __le16 *pseudo_hdr_csum,
432 enum iwl_mvm_tcp_packet_type ptype)
439 } __packed *pkt = _pkt;
440 u16 ip_tot_len = sizeof(struct iphdr) + sizeof(struct tcphdr);
443 pkt->eth.h_proto = cpu_to_be16(ETH_P_IP),
446 pkt->ip.protocol = IPPROTO_TCP;
450 case MVM_TCP_TX_DATA:
452 memcpy(pkt->eth.h_dest, tcp->dst_mac, ETH_ALEN);
453 memcpy(pkt->eth.h_source, vif->addr, ETH_ALEN);
455 pkt->ip.saddr = tcp->src;
456 pkt->ip.daddr = tcp->dst;
457 pkt->tcp.source = cpu_to_be16(tcp->src_port);
458 pkt->tcp.dest = cpu_to_be16(tcp->dst_port);
459 /* overwritten for TX SYN later */
460 pkt->tcp.doff = sizeof(struct tcphdr) / 4;
461 pkt->tcp.window = cpu_to_be16(65000);
463 case MVM_TCP_RX_SYNACK:
465 case MVM_TCP_RX_WAKE:
466 memcpy(pkt->eth.h_dest, vif->addr, ETH_ALEN);
467 memcpy(pkt->eth.h_source, tcp->dst_mac, ETH_ALEN);
468 pkt->ip.saddr = tcp->dst;
469 pkt->ip.daddr = tcp->src;
470 pkt->tcp.source = cpu_to_be16(tcp->dst_port);
471 pkt->tcp.dest = cpu_to_be16(tcp->src_port);
480 /* firmware assumes 8 option bytes - 8 NOPs for now */
481 memset(pkt->data, 0x01, 8);
483 pkt->tcp.doff = (sizeof(struct tcphdr) + 8) / 4;
486 case MVM_TCP_TX_DATA:
487 ip_tot_len += tcp->payload_len;
488 memcpy(pkt->data, tcp->payload, tcp->payload_len);
496 case MVM_TCP_RX_SYNACK:
503 case MVM_TCP_RX_WAKE:
504 ip_tot_len += tcp->wake_len;
507 memcpy(pkt->data, tcp->wake_data, tcp->wake_len);
513 case MVM_TCP_TX_DATA:
515 pkt->ip.tot_len = cpu_to_be16(ip_tot_len);
516 pkt->ip.check = ip_fast_csum(&pkt->ip, pkt->ip.ihl);
518 case MVM_TCP_RX_WAKE:
519 for (i = 0; i < DIV_ROUND_UP(tcp->wake_len, 8); i++) {
520 u8 tmp = tcp->wake_mask[i];
521 mask[i + 6] |= tmp << 6;
522 if (i + 1 < DIV_ROUND_UP(tcp->wake_len, 8))
523 mask[i + 7] = tmp >> 2;
525 /* fall through for ethernet/IP/TCP headers mask */
526 case MVM_TCP_RX_SYNACK:
528 mask[0] = 0xff; /* match ethernet */
530 * match ethernet, ip.version, ip.ihl
531 * the ip.ihl half byte is really masked out by firmware
534 mask[2] = 0x80; /* match ip.protocol */
535 mask[3] = 0xfc; /* match ip.saddr, ip.daddr */
536 mask[4] = 0x3f; /* match ip.daddr, tcp.source, tcp.dest */
537 mask[5] = 0x80; /* match tcp flags */
538 /* leave rest (0 or set for MVM_TCP_RX_WAKE) */
542 *pseudo_hdr_csum = pseudo_hdr_check(ip_tot_len - sizeof(struct iphdr),
543 pkt->ip.saddr, pkt->ip.daddr);
546 static int iwl_mvm_send_remote_wake_cfg(struct iwl_mvm *mvm,
547 struct ieee80211_vif *vif,
548 struct cfg80211_wowlan_tcp *tcp)
550 struct iwl_wowlan_remote_wake_config *cfg;
551 struct iwl_host_cmd cmd = {
552 .id = REMOTE_WAKE_CONFIG_CMD,
553 .len = { sizeof(*cfg), },
554 .dataflags = { IWL_HCMD_DFL_NOCOPY, },
562 cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
567 cfg->max_syn_retries = 10;
568 cfg->max_data_retries = 10;
569 cfg->tcp_syn_ack_timeout = 1; /* seconds */
570 cfg->tcp_ack_timeout = 1; /* seconds */
573 iwl_mvm_build_tcp_packet(
574 vif, tcp, cfg->syn_tx.data, NULL,
575 &cfg->syn_tx.info.tcp_pseudo_header_checksum,
577 cfg->syn_tx.info.tcp_payload_length = 0;
580 iwl_mvm_build_tcp_packet(
581 vif, tcp, cfg->synack_rx.data, cfg->synack_rx.rx_mask,
582 &cfg->synack_rx.info.tcp_pseudo_header_checksum,
584 cfg->synack_rx.info.tcp_payload_length = 0;
586 /* KEEPALIVE/ACK (TX) */
587 iwl_mvm_build_tcp_packet(
588 vif, tcp, cfg->keepalive_tx.data, NULL,
589 &cfg->keepalive_tx.info.tcp_pseudo_header_checksum,
591 cfg->keepalive_tx.info.tcp_payload_length =
592 cpu_to_le16(tcp->payload_len);
593 cfg->sequence_number_offset = tcp->payload_seq.offset;
594 /* length must be 0..4, the field is little endian */
595 cfg->sequence_number_length = tcp->payload_seq.len;
596 cfg->initial_sequence_number = cpu_to_le32(tcp->payload_seq.start);
597 cfg->keepalive_interval = cpu_to_le16(tcp->data_interval);
598 if (tcp->payload_tok.len) {
599 cfg->token_offset = tcp->payload_tok.offset;
600 cfg->token_length = tcp->payload_tok.len;
602 cpu_to_le16(tcp->tokens_size % tcp->payload_tok.len);
603 memcpy(cfg->tokens, tcp->payload_tok.token_stream,
606 /* set tokens to max value to almost never run out */
607 cfg->num_tokens = cpu_to_le16(65535);
611 iwl_mvm_build_tcp_packet(
612 vif, tcp, cfg->keepalive_ack_rx.data,
613 cfg->keepalive_ack_rx.rx_mask,
614 &cfg->keepalive_ack_rx.info.tcp_pseudo_header_checksum,
616 cfg->keepalive_ack_rx.info.tcp_payload_length = 0;
619 iwl_mvm_build_tcp_packet(
620 vif, tcp, cfg->wake_rx.data, cfg->wake_rx.rx_mask,
621 &cfg->wake_rx.info.tcp_pseudo_header_checksum,
623 cfg->wake_rx.info.tcp_payload_length =
624 cpu_to_le16(tcp->wake_len);
627 iwl_mvm_build_tcp_packet(
628 vif, tcp, cfg->fin_tx.data, NULL,
629 &cfg->fin_tx.info.tcp_pseudo_header_checksum,
631 cfg->fin_tx.info.tcp_payload_length = 0;
633 ret = iwl_mvm_send_cmd(mvm, &cmd);
639 struct iwl_d3_iter_data {
641 struct ieee80211_vif *vif;
645 static void iwl_mvm_d3_iface_iterator(void *_data, u8 *mac,
646 struct ieee80211_vif *vif)
648 struct iwl_d3_iter_data *data = _data;
649 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
651 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
654 if (mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
658 IWL_ERR(data->mvm, "More than one managed interface active!\n");
666 static int iwl_mvm_d3_reprogram(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
667 struct ieee80211_sta *ap_sta)
669 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
670 struct ieee80211_chanctx_conf *ctx;
671 u8 chains_static, chains_dynamic;
672 struct cfg80211_chan_def chandef;
674 struct iwl_binding_cmd binding_cmd = {};
675 struct iwl_time_quota_cmd quota_cmd = {};
678 /* add back the PHY */
679 if (WARN_ON(!mvmvif->phy_ctxt))
683 ctx = rcu_dereference(vif->chanctx_conf);
689 chains_static = ctx->rx_chains_static;
690 chains_dynamic = ctx->rx_chains_dynamic;
693 ret = iwl_mvm_phy_ctxt_add(mvm, mvmvif->phy_ctxt, &chandef,
694 chains_static, chains_dynamic);
698 /* add back the MAC */
699 mvmvif->uploaded = false;
701 if (WARN_ON(!vif->bss_conf.assoc))
704 vif->bss_conf.assoc = false;
705 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
706 vif->bss_conf.assoc = true;
710 /* add back binding - XXX refactor? */
711 binding_cmd.id_and_color =
712 cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->phy_ctxt->id,
713 mvmvif->phy_ctxt->color));
714 binding_cmd.action = cpu_to_le32(FW_CTXT_ACTION_ADD);
716 cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->phy_ctxt->id,
717 mvmvif->phy_ctxt->color));
718 binding_cmd.macs[0] = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
720 for (i = 1; i < MAX_MACS_IN_BINDING; i++)
721 binding_cmd.macs[i] = cpu_to_le32(FW_CTXT_INVALID);
724 ret = iwl_mvm_send_cmd_pdu_status(mvm, BINDING_CONTEXT_CMD,
725 sizeof(binding_cmd), &binding_cmd,
728 IWL_ERR(mvm, "Failed to add binding: %d\n", ret);
733 IWL_ERR(mvm, "Binding command failed: %u\n", status);
737 ret = iwl_mvm_sta_send_to_fw(mvm, ap_sta, false);
740 rcu_assign_pointer(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id], ap_sta);
742 ret = iwl_mvm_mac_ctxt_changed(mvm, vif);
747 quota_cmd.quotas[0].id_and_color =
748 cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->phy_ctxt->id,
749 mvmvif->phy_ctxt->color));
750 quota_cmd.quotas[0].quota = cpu_to_le32(100);
751 quota_cmd.quotas[0].max_duration = cpu_to_le32(1000);
753 for (i = 1; i < MAX_BINDINGS; i++)
754 quota_cmd.quotas[i].id_and_color = cpu_to_le32(FW_CTXT_INVALID);
756 ret = iwl_mvm_send_cmd_pdu(mvm, TIME_QUOTA_CMD, CMD_SYNC,
757 sizeof(quota_cmd), "a_cmd);
759 IWL_ERR(mvm, "Failed to send quota: %d\n", ret);
764 static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
765 struct cfg80211_wowlan *wowlan,
768 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
769 struct iwl_d3_iter_data suspend_iter_data = {
772 struct ieee80211_vif *vif;
773 struct iwl_mvm_vif *mvmvif;
774 struct ieee80211_sta *ap_sta;
775 struct iwl_mvm_sta *mvm_ap_sta;
776 struct iwl_wowlan_config_cmd wowlan_config_cmd = {};
777 struct iwl_wowlan_kek_kck_material_cmd kek_kck_cmd = {};
778 struct iwl_wowlan_tkip_params_cmd tkip_cmd = {};
779 struct iwl_d3_manager_config d3_cfg_cmd_data = {
781 * Program the minimum sleep time to 10 seconds, as many
782 * platforms have issues processing a wakeup signal while
783 * still being in the process of suspending.
785 .min_sleep_time = cpu_to_le32(10 * 1000 * 1000),
787 struct iwl_host_cmd d3_cfg_cmd = {
789 .flags = CMD_SYNC | CMD_WANT_SKB,
790 .data[0] = &d3_cfg_cmd_data,
791 .len[0] = sizeof(d3_cfg_cmd_data),
793 struct wowlan_key_data key_data = {
794 .use_rsc_tsc = false,
799 int len __maybe_unused;
801 u8 old_aux_sta_id, old_ap_sta_id = IWL_MVM_STATION_COUNT;
805 * mac80211 shouldn't get here, but for D3 test
806 * it doesn't warrant a warning
812 key_data.rsc_tsc = kzalloc(sizeof(*key_data.rsc_tsc), GFP_KERNEL);
813 if (!key_data.rsc_tsc)
816 mutex_lock(&mvm->mutex);
818 old_aux_sta_id = mvm->aux_sta.sta_id;
820 /* see if there's only a single BSS vif and it's associated */
821 ieee80211_iterate_active_interfaces_atomic(
822 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
823 iwl_mvm_d3_iface_iterator, &suspend_iter_data);
825 if (suspend_iter_data.error || !suspend_iter_data.vif) {
830 vif = suspend_iter_data.vif;
831 mvmvif = iwl_mvm_vif_from_mac80211(vif);
833 ap_sta = rcu_dereference_protected(
834 mvm->fw_id_to_mac_id[mvmvif->ap_sta_id],
835 lockdep_is_held(&mvm->mutex));
836 if (IS_ERR_OR_NULL(ap_sta)) {
841 mvm_ap_sta = (struct iwl_mvm_sta *)ap_sta->drv_priv;
844 * The D3 firmware still hardcodes the AP station ID for the
845 * BSS we're associated with as 0. Store the real STA ID here
846 * and assign 0. When we leave this function, we'll restore
847 * the original value for the resume code.
849 old_ap_sta_id = mvm_ap_sta->sta_id;
850 mvm_ap_sta->sta_id = 0;
851 mvmvif->ap_sta_id = 0;
853 /* TODO: wowlan_config_cmd.wowlan_ba_teardown_tids */
855 wowlan_config_cmd.is_11n_connection = ap_sta->ht_cap.ht_supported;
858 * We know the last used seqno, and the uCode expects to know that
859 * one, it will increment before TX.
861 seq = mvm_ap_sta->last_seq_ctl & IEEE80211_SCTL_SEQ;
862 wowlan_config_cmd.non_qos_seq = cpu_to_le16(seq);
865 * For QoS counters, we store the one to use next, so subtract 0x10
866 * since the uCode will add 0x10 *before* using the value while we
867 * increment after using the value (i.e. store the next value to use).
869 for (i = 0; i < IWL_MAX_TID_COUNT; i++) {
870 seq = mvm_ap_sta->tid_data[i].seq_number;
872 wowlan_config_cmd.qos_seq[i] = cpu_to_le16(seq);
875 if (wowlan->disconnect)
876 wowlan_config_cmd.wakeup_filter |=
877 cpu_to_le32(IWL_WOWLAN_WAKEUP_BEACON_MISS |
878 IWL_WOWLAN_WAKEUP_LINK_CHANGE);
879 if (wowlan->magic_pkt)
880 wowlan_config_cmd.wakeup_filter |=
881 cpu_to_le32(IWL_WOWLAN_WAKEUP_MAGIC_PACKET);
882 if (wowlan->gtk_rekey_failure)
883 wowlan_config_cmd.wakeup_filter |=
884 cpu_to_le32(IWL_WOWLAN_WAKEUP_GTK_REKEY_FAIL);
885 if (wowlan->eap_identity_req)
886 wowlan_config_cmd.wakeup_filter |=
887 cpu_to_le32(IWL_WOWLAN_WAKEUP_EAP_IDENT_REQ);
888 if (wowlan->four_way_handshake)
889 wowlan_config_cmd.wakeup_filter |=
890 cpu_to_le32(IWL_WOWLAN_WAKEUP_4WAY_HANDSHAKE);
891 if (wowlan->n_patterns)
892 wowlan_config_cmd.wakeup_filter |=
893 cpu_to_le32(IWL_WOWLAN_WAKEUP_PATTERN_MATCH);
895 if (wowlan->rfkill_release)
896 wowlan_config_cmd.wakeup_filter |=
897 cpu_to_le32(IWL_WOWLAN_WAKEUP_RF_KILL_DEASSERT);
901 * Set the "link change" (really "link lost") flag as well
902 * since that implies losing the TCP connection.
904 wowlan_config_cmd.wakeup_filter |=
905 cpu_to_le32(IWL_WOWLAN_WAKEUP_REMOTE_LINK_LOSS |
906 IWL_WOWLAN_WAKEUP_REMOTE_SIGNATURE_TABLE |
907 IWL_WOWLAN_WAKEUP_REMOTE_WAKEUP_PACKET |
908 IWL_WOWLAN_WAKEUP_LINK_CHANGE);
911 iwl_mvm_cancel_scan(mvm);
913 iwl_trans_stop_device(mvm->trans);
916 * Set the HW restart bit -- this is mostly true as we're
917 * going to load new firmware and reprogram that, though
918 * the reprogramming is going to be manual to avoid adding
919 * all the MACs that aren't support.
920 * We don't have to clear up everything though because the
921 * reprogramming is manual. When we resume, we'll actually
922 * go through a proper restart sequence again to switch
923 * back to the runtime firmware image.
925 set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
927 /* We reprogram keys and shouldn't allocate new key indices */
928 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table));
936 * The D3 firmware still hardcodes the AP station ID for the
937 * BSS we're associated with as 0. As a result, we have to move
938 * the auxiliary station to ID 1 so the ID 0 remains free for
939 * the AP station for later.
940 * We set the sta_id to 1 here, and reset it to its previous
941 * value (that we stored above) later.
943 mvm->aux_sta.sta_id = 1;
945 ret = iwl_mvm_load_d3_fw(mvm);
949 ret = iwl_mvm_d3_reprogram(mvm, vif, ap_sta);
953 if (!iwlwifi_mod_params.sw_crypto) {
955 * This needs to be unlocked due to lock ordering
956 * constraints. Since we're in the suspend path
957 * that isn't really a problem though.
959 mutex_unlock(&mvm->mutex);
960 ieee80211_iter_keys(mvm->hw, vif,
961 iwl_mvm_wowlan_program_keys,
963 mutex_lock(&mvm->mutex);
964 if (key_data.error) {
969 if (key_data.use_rsc_tsc) {
970 struct iwl_host_cmd rsc_tsc_cmd = {
971 .id = WOWLAN_TSC_RSC_PARAM,
973 .data[0] = key_data.rsc_tsc,
974 .dataflags[0] = IWL_HCMD_DFL_NOCOPY,
975 .len[0] = sizeof(*key_data.rsc_tsc),
978 ret = iwl_mvm_send_cmd(mvm, &rsc_tsc_cmd);
983 if (key_data.use_tkip) {
984 ret = iwl_mvm_send_cmd_pdu(mvm,
986 CMD_SYNC, sizeof(tkip_cmd),
992 if (mvmvif->rekey_data.valid) {
993 memset(&kek_kck_cmd, 0, sizeof(kek_kck_cmd));
994 memcpy(kek_kck_cmd.kck, mvmvif->rekey_data.kck,
996 kek_kck_cmd.kck_len = cpu_to_le16(NL80211_KCK_LEN);
997 memcpy(kek_kck_cmd.kek, mvmvif->rekey_data.kek,
999 kek_kck_cmd.kek_len = cpu_to_le16(NL80211_KEK_LEN);
1000 kek_kck_cmd.replay_ctr = mvmvif->rekey_data.replay_ctr;
1002 ret = iwl_mvm_send_cmd_pdu(mvm,
1003 WOWLAN_KEK_KCK_MATERIAL,
1005 sizeof(kek_kck_cmd),
1012 ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION,
1013 CMD_SYNC, sizeof(wowlan_config_cmd),
1014 &wowlan_config_cmd);
1018 ret = iwl_mvm_send_patterns(mvm, wowlan);
1022 ret = iwl_mvm_send_proto_offload(mvm, vif);
1026 ret = iwl_mvm_send_remote_wake_cfg(mvm, vif, wowlan->tcp);
1030 ret = iwl_mvm_power_update_mode(mvm, vif);
1034 #ifdef CONFIG_IWLWIFI_DEBUGFS
1035 if (mvm->d3_wake_sysassert)
1036 d3_cfg_cmd_data.wakeup_flags |=
1037 cpu_to_le32(IWL_WAKEUP_D3_CONFIG_FW_ERROR);
1040 /* must be last -- this switches firmware state */
1041 ret = iwl_mvm_send_cmd(mvm, &d3_cfg_cmd);
1044 #ifdef CONFIG_IWLWIFI_DEBUGFS
1045 len = le32_to_cpu(d3_cfg_cmd.resp_pkt->len_n_flags) &
1046 FH_RSCSR_FRAME_SIZE_MSK;
1047 if (len >= sizeof(u32) * 2) {
1048 mvm->d3_test_pme_ptr =
1049 le32_to_cpup((__le32 *)d3_cfg_cmd.resp_pkt->data);
1051 /* in test mode we require the pointer */
1056 iwl_free_resp(&d3_cfg_cmd);
1058 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
1060 iwl_trans_d3_suspend(mvm->trans, test);
1062 mvm->aux_sta.sta_id = old_aux_sta_id;
1063 mvm_ap_sta->sta_id = old_ap_sta_id;
1064 mvmvif->ap_sta_id = old_ap_sta_id;
1066 kfree(key_data.rsc_tsc);
1068 ieee80211_restart_hw(mvm->hw);
1070 mutex_unlock(&mvm->mutex);
1075 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
1077 return __iwl_mvm_suspend(hw, wowlan, false);
1080 static void iwl_mvm_query_wakeup_reasons(struct iwl_mvm *mvm,
1081 struct ieee80211_vif *vif)
1083 u32 base = mvm->error_event_table;
1084 struct error_table_start {
1085 /* cf. struct iwl_error_event_table */
1089 struct cfg80211_wowlan_wakeup wakeup = {
1092 struct cfg80211_wowlan_wakeup *wakeup_report = &wakeup;
1093 struct iwl_host_cmd cmd = {
1094 .id = WOWLAN_GET_STATUSES,
1095 .flags = CMD_SYNC | CMD_WANT_SKB,
1097 struct iwl_wowlan_status *status;
1100 struct sk_buff *pkt = NULL;
1102 iwl_trans_read_mem_bytes(mvm->trans, base,
1103 &err_info, sizeof(err_info));
1105 if (err_info.valid) {
1106 IWL_INFO(mvm, "error table is valid (%d)\n",
1108 if (err_info.error_id == RF_KILL_INDICATOR_FOR_WOWLAN) {
1109 wakeup.rfkill_release = true;
1110 ieee80211_report_wowlan_wakeup(vif, &wakeup,
1116 /* only for tracing for now */
1117 ret = iwl_mvm_send_cmd_pdu(mvm, OFFLOADS_QUERY_CMD, CMD_SYNC, 0, NULL);
1119 IWL_ERR(mvm, "failed to query offload statistics (%d)\n", ret);
1121 ret = iwl_mvm_send_cmd(mvm, &cmd);
1123 IWL_ERR(mvm, "failed to query status (%d)\n", ret);
1127 /* RF-kill already asserted again... */
1131 len = le32_to_cpu(cmd.resp_pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
1132 if (len - sizeof(struct iwl_cmd_header) < sizeof(*status)) {
1133 IWL_ERR(mvm, "Invalid WoWLAN status response!\n");
1137 status = (void *)cmd.resp_pkt->data;
1139 if (len - sizeof(struct iwl_cmd_header) !=
1141 ALIGN(le32_to_cpu(status->wake_packet_bufsize), 4)) {
1142 IWL_ERR(mvm, "Invalid WoWLAN status response!\n");
1146 reasons = le32_to_cpu(status->wakeup_reasons);
1148 if (reasons == IWL_WOWLAN_WAKEUP_BY_NON_WIRELESS) {
1149 wakeup_report = NULL;
1153 if (reasons & IWL_WOWLAN_WAKEUP_BY_MAGIC_PACKET)
1154 wakeup.magic_pkt = true;
1156 if (reasons & IWL_WOWLAN_WAKEUP_BY_PATTERN)
1157 wakeup.pattern_idx =
1158 le16_to_cpu(status->pattern_number);
1160 if (reasons & (IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON |
1161 IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH))
1162 wakeup.disconnect = true;
1164 if (reasons & IWL_WOWLAN_WAKEUP_BY_GTK_REKEY_FAILURE)
1165 wakeup.gtk_rekey_failure = true;
1167 if (reasons & IWL_WOWLAN_WAKEUP_BY_RFKILL_DEASSERTED)
1168 wakeup.rfkill_release = true;
1170 if (reasons & IWL_WOWLAN_WAKEUP_BY_EAPOL_REQUEST)
1171 wakeup.eap_identity_req = true;
1173 if (reasons & IWL_WOWLAN_WAKEUP_BY_FOUR_WAY_HANDSHAKE)
1174 wakeup.four_way_handshake = true;
1176 if (reasons & IWL_WOWLAN_WAKEUP_BY_REM_WAKE_LINK_LOSS)
1177 wakeup.tcp_connlost = true;
1179 if (reasons & IWL_WOWLAN_WAKEUP_BY_REM_WAKE_SIGNATURE_TABLE)
1180 wakeup.tcp_nomoretokens = true;
1182 if (reasons & IWL_WOWLAN_WAKEUP_BY_REM_WAKE_WAKEUP_PACKET)
1183 wakeup.tcp_match = true;
1185 if (status->wake_packet_bufsize) {
1186 int pktsize = le32_to_cpu(status->wake_packet_bufsize);
1187 int pktlen = le32_to_cpu(status->wake_packet_length);
1188 const u8 *pktdata = status->wake_packet;
1189 struct ieee80211_hdr *hdr = (void *)pktdata;
1190 int truncated = pktlen - pktsize;
1192 /* this would be a firmware bug */
1193 if (WARN_ON_ONCE(truncated < 0))
1196 if (ieee80211_is_data(hdr->frame_control)) {
1197 int hdrlen = ieee80211_hdrlen(hdr->frame_control);
1198 int ivlen = 0, icvlen = 4; /* also FCS */
1200 pkt = alloc_skb(pktsize, GFP_KERNEL);
1204 memcpy(skb_put(pkt, hdrlen), pktdata, hdrlen);
1208 if (ieee80211_has_protected(hdr->frame_control)) {
1209 if (is_multicast_ether_addr(hdr->addr1)) {
1210 ivlen = mvm->gtk_ivlen;
1211 icvlen += mvm->gtk_icvlen;
1213 ivlen = mvm->ptk_ivlen;
1214 icvlen += mvm->ptk_icvlen;
1218 /* if truncated, FCS/ICV is (partially) gone */
1219 if (truncated >= icvlen) {
1221 truncated -= icvlen;
1223 icvlen -= truncated;
1227 pktsize -= ivlen + icvlen;
1230 memcpy(skb_put(pkt, pktsize), pktdata, pktsize);
1232 if (ieee80211_data_to_8023(pkt, vif->addr, vif->type))
1234 wakeup.packet = pkt->data;
1235 wakeup.packet_present_len = pkt->len;
1236 wakeup.packet_len = pkt->len - truncated;
1237 wakeup.packet_80211 = false;
1241 if (truncated >= 4) {
1245 fcslen -= truncated;
1249 wakeup.packet = status->wake_packet;
1250 wakeup.packet_present_len = pktsize;
1251 wakeup.packet_len = pktlen - truncated;
1252 wakeup.packet_80211 = true;
1257 ieee80211_report_wowlan_wakeup(vif, wakeup_report, GFP_KERNEL);
1261 iwl_free_resp(&cmd);
1264 static void iwl_mvm_read_d3_sram(struct iwl_mvm *mvm)
1266 #ifdef CONFIG_IWLWIFI_DEBUGFS
1267 const struct fw_img *img = &mvm->fw->img[IWL_UCODE_WOWLAN];
1268 u32 len = img->sec[IWL_UCODE_SECTION_DATA].len;
1269 u32 offs = img->sec[IWL_UCODE_SECTION_DATA].offset;
1271 if (!mvm->store_d3_resume_sram)
1274 if (!mvm->d3_resume_sram) {
1275 mvm->d3_resume_sram = kzalloc(len, GFP_KERNEL);
1276 if (!mvm->d3_resume_sram)
1280 iwl_trans_read_mem_bytes(mvm->trans, offs, mvm->d3_resume_sram, len);
1284 static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test)
1286 struct iwl_d3_iter_data resume_iter_data = {
1289 struct ieee80211_vif *vif = NULL;
1291 enum iwl_d3_status d3_status;
1293 mutex_lock(&mvm->mutex);
1295 /* get the BSS vif pointer again */
1296 ieee80211_iterate_active_interfaces_atomic(
1297 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1298 iwl_mvm_d3_iface_iterator, &resume_iter_data);
1300 if (WARN_ON(resume_iter_data.error || !resume_iter_data.vif))
1303 vif = resume_iter_data.vif;
1305 ret = iwl_trans_d3_resume(mvm->trans, &d3_status, test);
1309 if (d3_status != IWL_D3_STATUS_ALIVE) {
1310 IWL_INFO(mvm, "Device was reset during suspend\n");
1314 /* query SRAM first in case we want event logging */
1315 iwl_mvm_read_d3_sram(mvm);
1317 iwl_mvm_query_wakeup_reasons(mvm, vif);
1320 mutex_unlock(&mvm->mutex);
1323 ieee80211_resume_disconnect(vif);
1325 /* return 1 to reconfigure the device */
1326 set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
1330 int iwl_mvm_resume(struct ieee80211_hw *hw)
1332 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1334 return __iwl_mvm_resume(mvm, false);
1337 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled)
1339 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1341 device_set_wakeup_enable(mvm->trans->dev, enabled);
1344 #ifdef CONFIG_IWLWIFI_DEBUGFS
1345 static int iwl_mvm_d3_test_open(struct inode *inode, struct file *file)
1347 struct iwl_mvm *mvm = inode->i_private;
1350 if (mvm->d3_test_active)
1353 file->private_data = inode->i_private;
1355 ieee80211_stop_queues(mvm->hw);
1358 /* start pseudo D3 */
1360 err = __iwl_mvm_suspend(mvm->hw, mvm->hw->wiphy->wowlan_config, true);
1365 ieee80211_wake_queues(mvm->hw);
1368 mvm->d3_test_active = true;
1372 static ssize_t iwl_mvm_d3_test_read(struct file *file, char __user *user_buf,
1373 size_t count, loff_t *ppos)
1375 struct iwl_mvm *mvm = file->private_data;
1379 pme_asserted = iwl_trans_read_mem32(mvm->trans,
1380 mvm->d3_test_pme_ptr);
1383 if (msleep_interruptible(100))
1390 static void iwl_mvm_d3_test_disconn_work_iter(void *_data, u8 *mac,
1391 struct ieee80211_vif *vif)
1393 if (vif->type == NL80211_IFTYPE_STATION)
1394 ieee80211_connection_loss(vif);
1397 static int iwl_mvm_d3_test_release(struct inode *inode, struct file *file)
1399 struct iwl_mvm *mvm = inode->i_private;
1400 int remaining_time = 10;
1402 mvm->d3_test_active = false;
1403 __iwl_mvm_resume(mvm, true);
1404 iwl_abort_notification_waits(&mvm->notif_wait);
1405 ieee80211_restart_hw(mvm->hw);
1407 /* wait for restart and disconnect all interfaces */
1408 while (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
1409 remaining_time > 0) {
1414 if (remaining_time == 0)
1415 IWL_ERR(mvm, "Timed out waiting for HW restart to finish!\n");
1417 ieee80211_iterate_active_interfaces_atomic(
1418 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1419 iwl_mvm_d3_test_disconn_work_iter, NULL);
1421 ieee80211_wake_queues(mvm->hw);
1426 const struct file_operations iwl_dbgfs_d3_test_ops = {
1427 .llseek = no_llseek,
1428 .open = iwl_mvm_d3_test_open,
1429 .read = iwl_mvm_d3_test_read,
1430 .release = iwl_mvm_d3_test_release,