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8ca151b5 JB |
1 | /****************************************************************************** |
2 | * | |
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. | |
5 | * | |
6 | * GPL LICENSE SUMMARY | |
7 | * | |
51368bf7 | 8 | * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. |
65ff556b | 9 | * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH |
8ca151b5 JB |
10 | * |
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. | |
14 | * | |
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. | |
19 | * | |
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, | |
23 | * USA | |
24 | * | |
25 | * The full GNU General Public License is included in this distribution | |
410dc5aa | 26 | * in the file called COPYING. |
8ca151b5 JB |
27 | * |
28 | * Contact Information: | |
cb2f8277 | 29 | * Intel Linux Wireless <linuxwifi@intel.com> |
8ca151b5 JB |
30 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
31 | * | |
32 | * BSD LICENSE | |
33 | * | |
51368bf7 | 34 | * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. |
65ff556b | 35 | * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH |
8ca151b5 JB |
36 | * All rights reserved. |
37 | * | |
38 | * Redistribution and use in source and binary forms, with or without | |
39 | * modification, are permitted provided that the following conditions | |
40 | * are met: | |
41 | * | |
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 | |
47 | * distribution. | |
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. | |
51 | * | |
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. | |
63 | * | |
64 | *****************************************************************************/ | |
65 | ||
f444eb10 | 66 | #include <linux/etherdevice.h> |
f0c2646a | 67 | #include <linux/ip.h> |
debff618 | 68 | #include <linux/fs.h> |
8ca151b5 JB |
69 | #include <net/cfg80211.h> |
70 | #include <net/ipv6.h> | |
f0c2646a | 71 | #include <net/tcp.h> |
f7fc5989 | 72 | #include <net/addrconf.h> |
8ca151b5 JB |
73 | #include "iwl-modparams.h" |
74 | #include "fw-api.h" | |
75 | #include "mvm.h" | |
76 | ||
77 | void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw, | |
78 | struct ieee80211_vif *vif, | |
79 | struct cfg80211_gtk_rekey_data *data) | |
80 | { | |
81 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
82 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
83 | ||
84 | if (iwlwifi_mod_params.sw_crypto) | |
85 | return; | |
86 | ||
87 | mutex_lock(&mvm->mutex); | |
88 | ||
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; | |
94 | ||
95 | mutex_unlock(&mvm->mutex); | |
96 | } | |
97 | ||
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) | |
102 | { | |
103 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
104 | struct inet6_ifaddr *ifa; | |
105 | int idx = 0; | |
106 | ||
c97dab40 SS |
107 | memset(mvmvif->tentative_addrs, 0, sizeof(mvmvif->tentative_addrs)); |
108 | ||
a3777e0f | 109 | read_lock_bh(&idev->lock); |
8ca151b5 JB |
110 | list_for_each_entry(ifa, &idev->addr_list, if_list) { |
111 | mvmvif->target_ipv6_addrs[idx] = ifa->addr; | |
c97dab40 SS |
112 | if (ifa->flags & IFA_F_TENTATIVE) |
113 | __set_bit(idx, mvmvif->tentative_addrs); | |
8ca151b5 | 114 | idx++; |
5369d6c1 | 115 | if (idx >= IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX) |
8ca151b5 JB |
116 | break; |
117 | } | |
a3777e0f | 118 | read_unlock_bh(&idev->lock); |
8ca151b5 JB |
119 | |
120 | mvmvif->num_target_ipv6_addrs = idx; | |
121 | } | |
122 | #endif | |
123 | ||
124 | void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw, | |
125 | struct ieee80211_vif *vif, int idx) | |
126 | { | |
127 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
128 | ||
129 | mvmvif->tx_key_idx = idx; | |
130 | } | |
131 | ||
132 | static void iwl_mvm_convert_p1k(u16 *p1k, __le16 *out) | |
133 | { | |
134 | int i; | |
135 | ||
136 | for (i = 0; i < IWL_P1K_SIZE; i++) | |
137 | out[i] = cpu_to_le16(p1k[i]); | |
138 | } | |
139 | ||
f5e28eac JB |
140 | static const u8 *iwl_mvm_find_max_pn(struct ieee80211_key_conf *key, |
141 | struct iwl_mvm_key_pn *ptk_pn, | |
142 | struct ieee80211_key_seq *seq, | |
143 | int tid, int queues) | |
144 | { | |
145 | const u8 *ret = seq->ccmp.pn; | |
146 | int i; | |
147 | ||
148 | /* get the PN from mac80211, used on the default queue */ | |
149 | ieee80211_get_key_rx_seq(key, tid, seq); | |
150 | ||
151 | /* and use the internal data for the other queues */ | |
152 | for (i = 1; i < queues; i++) { | |
153 | const u8 *tmp = ptk_pn->q[i].pn[tid]; | |
154 | ||
155 | if (memcmp(ret, tmp, IEEE80211_CCMP_PN_LEN) <= 0) | |
156 | ret = tmp; | |
157 | } | |
158 | ||
159 | return ret; | |
160 | } | |
161 | ||
8ca151b5 JB |
162 | struct wowlan_key_data { |
163 | struct iwl_wowlan_rsc_tsc_params_cmd *rsc_tsc; | |
164 | struct iwl_wowlan_tkip_params_cmd *tkip; | |
ac8ef0ce | 165 | bool error, use_rsc_tsc, use_tkip, configure_keys; |
5312e54d | 166 | int wep_key_idx; |
8ca151b5 JB |
167 | }; |
168 | ||
169 | static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, | |
170 | struct ieee80211_vif *vif, | |
171 | struct ieee80211_sta *sta, | |
172 | struct ieee80211_key_conf *key, | |
173 | void *_data) | |
174 | { | |
175 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
176 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
177 | struct wowlan_key_data *data = _data; | |
178 | struct aes_sc *aes_sc, *aes_tx_sc = NULL; | |
179 | struct tkip_sc *tkip_sc, *tkip_tx_sc = NULL; | |
180 | struct iwl_p1k_cache *rx_p1ks; | |
181 | u8 *rx_mic_key; | |
182 | struct ieee80211_key_seq seq; | |
183 | u32 cur_rx_iv32 = 0; | |
184 | u16 p1k[IWL_P1K_SIZE]; | |
185 | int ret, i; | |
186 | ||
8ca151b5 JB |
187 | switch (key->cipher) { |
188 | case WLAN_CIPHER_SUITE_WEP40: | |
189 | case WLAN_CIPHER_SUITE_WEP104: { /* hack it for now */ | |
190 | struct { | |
191 | struct iwl_mvm_wep_key_cmd wep_key_cmd; | |
192 | struct iwl_mvm_wep_key wep_key; | |
193 | } __packed wkc = { | |
194 | .wep_key_cmd.mac_id_n_color = | |
195 | cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, | |
196 | mvmvif->color)), | |
197 | .wep_key_cmd.num_keys = 1, | |
198 | /* firmware sets STA_KEY_FLG_WEP_13BYTES */ | |
199 | .wep_key_cmd.decryption_type = STA_KEY_FLG_WEP, | |
200 | .wep_key.key_index = key->keyidx, | |
201 | .wep_key.key_size = key->keylen, | |
202 | }; | |
203 | ||
204 | /* | |
205 | * This will fail -- the key functions don't set support | |
206 | * pairwise WEP keys. However, that's better than silently | |
207 | * failing WoWLAN. Or maybe not? | |
208 | */ | |
209 | if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) | |
210 | break; | |
211 | ||
212 | memcpy(&wkc.wep_key.key[3], key->key, key->keylen); | |
213 | if (key->keyidx == mvmvif->tx_key_idx) { | |
214 | /* TX key must be at offset 0 */ | |
215 | wkc.wep_key.key_offset = 0; | |
216 | } else { | |
217 | /* others start at 1 */ | |
5312e54d JB |
218 | data->wep_key_idx++; |
219 | wkc.wep_key.key_offset = data->wep_key_idx; | |
8ca151b5 JB |
220 | } |
221 | ||
ac8ef0ce EP |
222 | if (data->configure_keys) { |
223 | mutex_lock(&mvm->mutex); | |
224 | ret = iwl_mvm_send_cmd_pdu(mvm, WEP_KEY, 0, | |
225 | sizeof(wkc), &wkc); | |
226 | data->error = ret != 0; | |
227 | ||
228 | mvm->ptk_ivlen = key->iv_len; | |
229 | mvm->ptk_icvlen = key->icv_len; | |
230 | mvm->gtk_ivlen = key->iv_len; | |
231 | mvm->gtk_icvlen = key->icv_len; | |
232 | mutex_unlock(&mvm->mutex); | |
233 | } | |
f444eb10 | 234 | |
8ca151b5 | 235 | /* don't upload key again */ |
ac8ef0ce | 236 | return; |
8ca151b5 JB |
237 | } |
238 | default: | |
239 | data->error = true; | |
ac8ef0ce | 240 | return; |
8ca151b5 JB |
241 | case WLAN_CIPHER_SUITE_AES_CMAC: |
242 | /* | |
243 | * Ignore CMAC keys -- the WoWLAN firmware doesn't support them | |
244 | * but we also shouldn't abort suspend due to that. It does have | |
245 | * support for the IGTK key renewal, but doesn't really use the | |
246 | * IGTK for anything. This means we could spuriously wake up or | |
247 | * be deauthenticated, but that was considered acceptable. | |
248 | */ | |
ac8ef0ce | 249 | return; |
8ca151b5 JB |
250 | case WLAN_CIPHER_SUITE_TKIP: |
251 | if (sta) { | |
252 | tkip_sc = data->rsc_tsc->all_tsc_rsc.tkip.unicast_rsc; | |
253 | tkip_tx_sc = &data->rsc_tsc->all_tsc_rsc.tkip.tsc; | |
254 | ||
255 | rx_p1ks = data->tkip->rx_uni; | |
256 | ||
257 | ieee80211_get_key_tx_seq(key, &seq); | |
258 | tkip_tx_sc->iv16 = cpu_to_le16(seq.tkip.iv16); | |
259 | tkip_tx_sc->iv32 = cpu_to_le32(seq.tkip.iv32); | |
260 | ||
261 | ieee80211_get_tkip_p1k_iv(key, seq.tkip.iv32, p1k); | |
262 | iwl_mvm_convert_p1k(p1k, data->tkip->tx.p1k); | |
263 | ||
264 | memcpy(data->tkip->mic_keys.tx, | |
265 | &key->key[NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY], | |
266 | IWL_MIC_KEY_SIZE); | |
267 | ||
268 | rx_mic_key = data->tkip->mic_keys.rx_unicast; | |
269 | } else { | |
270 | tkip_sc = | |
271 | data->rsc_tsc->all_tsc_rsc.tkip.multicast_rsc; | |
272 | rx_p1ks = data->tkip->rx_multi; | |
273 | rx_mic_key = data->tkip->mic_keys.rx_mcast; | |
274 | } | |
275 | ||
276 | /* | |
277 | * For non-QoS this relies on the fact that both the uCode and | |
278 | * mac80211 use TID 0 (as they need to to avoid replay attacks) | |
279 | * for checking the IV in the frames. | |
280 | */ | |
281 | for (i = 0; i < IWL_NUM_RSC; i++) { | |
282 | ieee80211_get_key_rx_seq(key, i, &seq); | |
283 | tkip_sc[i].iv16 = cpu_to_le16(seq.tkip.iv16); | |
284 | tkip_sc[i].iv32 = cpu_to_le32(seq.tkip.iv32); | |
285 | /* wrapping isn't allowed, AP must rekey */ | |
286 | if (seq.tkip.iv32 > cur_rx_iv32) | |
287 | cur_rx_iv32 = seq.tkip.iv32; | |
288 | } | |
289 | ||
290 | ieee80211_get_tkip_rx_p1k(key, vif->bss_conf.bssid, | |
291 | cur_rx_iv32, p1k); | |
292 | iwl_mvm_convert_p1k(p1k, rx_p1ks[0].p1k); | |
293 | ieee80211_get_tkip_rx_p1k(key, vif->bss_conf.bssid, | |
294 | cur_rx_iv32 + 1, p1k); | |
295 | iwl_mvm_convert_p1k(p1k, rx_p1ks[1].p1k); | |
296 | ||
297 | memcpy(rx_mic_key, | |
298 | &key->key[NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY], | |
299 | IWL_MIC_KEY_SIZE); | |
300 | ||
301 | data->use_tkip = true; | |
302 | data->use_rsc_tsc = true; | |
303 | break; | |
304 | case WLAN_CIPHER_SUITE_CCMP: | |
305 | if (sta) { | |
6645d5e4 | 306 | u64 pn64; |
8ca151b5 JB |
307 | |
308 | aes_sc = data->rsc_tsc->all_tsc_rsc.aes.unicast_rsc; | |
309 | aes_tx_sc = &data->rsc_tsc->all_tsc_rsc.aes.tsc; | |
310 | ||
6645d5e4 JB |
311 | pn64 = atomic64_read(&key->tx_pn); |
312 | aes_tx_sc->pn = cpu_to_le64(pn64); | |
8ca151b5 JB |
313 | } else { |
314 | aes_sc = data->rsc_tsc->all_tsc_rsc.aes.multicast_rsc; | |
315 | } | |
316 | ||
317 | /* | |
318 | * For non-QoS this relies on the fact that both the uCode and | |
f5e28eac | 319 | * mac80211/our RX code use TID 0 for checking the PN. |
8ca151b5 | 320 | */ |
f5e28eac JB |
321 | if (sta && iwl_mvm_has_new_rx_api(mvm)) { |
322 | struct iwl_mvm_sta *mvmsta; | |
323 | struct iwl_mvm_key_pn *ptk_pn; | |
324 | const u8 *pn; | |
325 | ||
326 | mvmsta = iwl_mvm_sta_from_mac80211(sta); | |
327 | ptk_pn = rcu_dereference_protected( | |
328 | mvmsta->ptk_pn[key->keyidx], | |
329 | lockdep_is_held(&mvm->mutex)); | |
330 | if (WARN_ON(!ptk_pn)) | |
331 | break; | |
332 | ||
333 | for (i = 0; i < IWL_MAX_TID_COUNT; i++) { | |
334 | pn = iwl_mvm_find_max_pn(key, ptk_pn, &seq, i, | |
335 | mvm->trans->num_rx_queues); | |
336 | aes_sc[i].pn = cpu_to_le64((u64)pn[5] | | |
337 | ((u64)pn[4] << 8) | | |
338 | ((u64)pn[3] << 16) | | |
339 | ((u64)pn[2] << 24) | | |
340 | ((u64)pn[1] << 32) | | |
341 | ((u64)pn[0] << 40)); | |
342 | } | |
343 | } else { | |
344 | for (i = 0; i < IWL_NUM_RSC; i++) { | |
345 | u8 *pn = seq.ccmp.pn; | |
346 | ||
347 | ieee80211_get_key_rx_seq(key, i, &seq); | |
348 | aes_sc[i].pn = cpu_to_le64((u64)pn[5] | | |
349 | ((u64)pn[4] << 8) | | |
350 | ((u64)pn[3] << 16) | | |
351 | ((u64)pn[2] << 24) | | |
352 | ((u64)pn[1] << 32) | | |
353 | ((u64)pn[0] << 40)); | |
354 | } | |
8ca151b5 JB |
355 | } |
356 | data->use_rsc_tsc = true; | |
357 | break; | |
358 | } | |
359 | ||
ac8ef0ce EP |
360 | if (data->configure_keys) { |
361 | mutex_lock(&mvm->mutex); | |
5312e54d | 362 | /* |
ac8ef0ce EP |
363 | * The D3 firmware hardcodes the key offset 0 as the key it |
364 | * uses to transmit packets to the AP, i.e. the PTK. | |
5312e54d | 365 | */ |
ac8ef0ce EP |
366 | if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { |
367 | mvm->ptk_ivlen = key->iv_len; | |
368 | mvm->ptk_icvlen = key->icv_len; | |
369 | ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, 0); | |
370 | } else { | |
371 | /* | |
372 | * firmware only supports TSC/RSC for a single key, | |
373 | * so if there are multiple keep overwriting them | |
374 | * with new ones -- this relies on mac80211 doing | |
375 | * list_add_tail(). | |
376 | */ | |
377 | mvm->gtk_ivlen = key->iv_len; | |
378 | mvm->gtk_icvlen = key->icv_len; | |
379 | ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, 1); | |
380 | } | |
381 | mutex_unlock(&mvm->mutex); | |
382 | data->error = ret != 0; | |
8ca151b5 | 383 | } |
8ca151b5 JB |
384 | } |
385 | ||
386 | static int iwl_mvm_send_patterns(struct iwl_mvm *mvm, | |
387 | struct cfg80211_wowlan *wowlan) | |
388 | { | |
389 | struct iwl_wowlan_patterns_cmd *pattern_cmd; | |
390 | struct iwl_host_cmd cmd = { | |
391 | .id = WOWLAN_PATTERNS, | |
392 | .dataflags[0] = IWL_HCMD_DFL_NOCOPY, | |
8ca151b5 JB |
393 | }; |
394 | int i, err; | |
395 | ||
396 | if (!wowlan->n_patterns) | |
397 | return 0; | |
398 | ||
399 | cmd.len[0] = sizeof(*pattern_cmd) + | |
400 | wowlan->n_patterns * sizeof(struct iwl_wowlan_pattern); | |
401 | ||
402 | pattern_cmd = kmalloc(cmd.len[0], GFP_KERNEL); | |
403 | if (!pattern_cmd) | |
404 | return -ENOMEM; | |
405 | ||
406 | pattern_cmd->n_patterns = cpu_to_le32(wowlan->n_patterns); | |
407 | ||
408 | for (i = 0; i < wowlan->n_patterns; i++) { | |
409 | int mask_len = DIV_ROUND_UP(wowlan->patterns[i].pattern_len, 8); | |
410 | ||
411 | memcpy(&pattern_cmd->patterns[i].mask, | |
412 | wowlan->patterns[i].mask, mask_len); | |
413 | memcpy(&pattern_cmd->patterns[i].pattern, | |
414 | wowlan->patterns[i].pattern, | |
415 | wowlan->patterns[i].pattern_len); | |
416 | pattern_cmd->patterns[i].mask_size = mask_len; | |
417 | pattern_cmd->patterns[i].pattern_size = | |
418 | wowlan->patterns[i].pattern_len; | |
419 | } | |
420 | ||
421 | cmd.data[0] = pattern_cmd; | |
422 | err = iwl_mvm_send_cmd(mvm, &cmd); | |
423 | kfree(pattern_cmd); | |
424 | return err; | |
425 | } | |
426 | ||
f0c2646a JB |
427 | enum iwl_mvm_tcp_packet_type { |
428 | MVM_TCP_TX_SYN, | |
429 | MVM_TCP_RX_SYNACK, | |
430 | MVM_TCP_TX_DATA, | |
431 | MVM_TCP_RX_ACK, | |
432 | MVM_TCP_RX_WAKE, | |
433 | MVM_TCP_TX_FIN, | |
434 | }; | |
435 | ||
436 | static __le16 pseudo_hdr_check(int len, __be32 saddr, __be32 daddr) | |
437 | { | |
438 | __sum16 check = tcp_v4_check(len, saddr, daddr, 0); | |
439 | return cpu_to_le16(be16_to_cpu((__force __be16)check)); | |
440 | } | |
441 | ||
b002c7e1 | 442 | static void iwl_mvm_build_tcp_packet(struct ieee80211_vif *vif, |
f0c2646a JB |
443 | struct cfg80211_wowlan_tcp *tcp, |
444 | void *_pkt, u8 *mask, | |
445 | __le16 *pseudo_hdr_csum, | |
446 | enum iwl_mvm_tcp_packet_type ptype) | |
447 | { | |
448 | struct { | |
449 | struct ethhdr eth; | |
450 | struct iphdr ip; | |
451 | struct tcphdr tcp; | |
452 | u8 data[]; | |
453 | } __packed *pkt = _pkt; | |
454 | u16 ip_tot_len = sizeof(struct iphdr) + sizeof(struct tcphdr); | |
455 | int i; | |
456 | ||
457 | pkt->eth.h_proto = cpu_to_be16(ETH_P_IP), | |
458 | pkt->ip.version = 4; | |
459 | pkt->ip.ihl = 5; | |
460 | pkt->ip.protocol = IPPROTO_TCP; | |
461 | ||
462 | switch (ptype) { | |
463 | case MVM_TCP_TX_SYN: | |
464 | case MVM_TCP_TX_DATA: | |
465 | case MVM_TCP_TX_FIN: | |
466 | memcpy(pkt->eth.h_dest, tcp->dst_mac, ETH_ALEN); | |
467 | memcpy(pkt->eth.h_source, vif->addr, ETH_ALEN); | |
468 | pkt->ip.ttl = 128; | |
469 | pkt->ip.saddr = tcp->src; | |
470 | pkt->ip.daddr = tcp->dst; | |
471 | pkt->tcp.source = cpu_to_be16(tcp->src_port); | |
472 | pkt->tcp.dest = cpu_to_be16(tcp->dst_port); | |
473 | /* overwritten for TX SYN later */ | |
474 | pkt->tcp.doff = sizeof(struct tcphdr) / 4; | |
475 | pkt->tcp.window = cpu_to_be16(65000); | |
476 | break; | |
477 | case MVM_TCP_RX_SYNACK: | |
478 | case MVM_TCP_RX_ACK: | |
479 | case MVM_TCP_RX_WAKE: | |
480 | memcpy(pkt->eth.h_dest, vif->addr, ETH_ALEN); | |
481 | memcpy(pkt->eth.h_source, tcp->dst_mac, ETH_ALEN); | |
482 | pkt->ip.saddr = tcp->dst; | |
483 | pkt->ip.daddr = tcp->src; | |
484 | pkt->tcp.source = cpu_to_be16(tcp->dst_port); | |
485 | pkt->tcp.dest = cpu_to_be16(tcp->src_port); | |
486 | break; | |
487 | default: | |
488 | WARN_ON(1); | |
489 | return; | |
490 | } | |
491 | ||
492 | switch (ptype) { | |
493 | case MVM_TCP_TX_SYN: | |
494 | /* firmware assumes 8 option bytes - 8 NOPs for now */ | |
495 | memset(pkt->data, 0x01, 8); | |
496 | ip_tot_len += 8; | |
497 | pkt->tcp.doff = (sizeof(struct tcphdr) + 8) / 4; | |
498 | pkt->tcp.syn = 1; | |
499 | break; | |
500 | case MVM_TCP_TX_DATA: | |
501 | ip_tot_len += tcp->payload_len; | |
502 | memcpy(pkt->data, tcp->payload, tcp->payload_len); | |
503 | pkt->tcp.psh = 1; | |
504 | pkt->tcp.ack = 1; | |
505 | break; | |
506 | case MVM_TCP_TX_FIN: | |
507 | pkt->tcp.fin = 1; | |
508 | pkt->tcp.ack = 1; | |
509 | break; | |
510 | case MVM_TCP_RX_SYNACK: | |
511 | pkt->tcp.syn = 1; | |
512 | pkt->tcp.ack = 1; | |
513 | break; | |
514 | case MVM_TCP_RX_ACK: | |
515 | pkt->tcp.ack = 1; | |
516 | break; | |
517 | case MVM_TCP_RX_WAKE: | |
518 | ip_tot_len += tcp->wake_len; | |
519 | pkt->tcp.psh = 1; | |
520 | pkt->tcp.ack = 1; | |
521 | memcpy(pkt->data, tcp->wake_data, tcp->wake_len); | |
522 | break; | |
523 | } | |
524 | ||
525 | switch (ptype) { | |
526 | case MVM_TCP_TX_SYN: | |
527 | case MVM_TCP_TX_DATA: | |
528 | case MVM_TCP_TX_FIN: | |
529 | pkt->ip.tot_len = cpu_to_be16(ip_tot_len); | |
530 | pkt->ip.check = ip_fast_csum(&pkt->ip, pkt->ip.ihl); | |
531 | break; | |
532 | case MVM_TCP_RX_WAKE: | |
533 | for (i = 0; i < DIV_ROUND_UP(tcp->wake_len, 8); i++) { | |
534 | u8 tmp = tcp->wake_mask[i]; | |
535 | mask[i + 6] |= tmp << 6; | |
536 | if (i + 1 < DIV_ROUND_UP(tcp->wake_len, 8)) | |
537 | mask[i + 7] = tmp >> 2; | |
538 | } | |
539 | /* fall through for ethernet/IP/TCP headers mask */ | |
540 | case MVM_TCP_RX_SYNACK: | |
541 | case MVM_TCP_RX_ACK: | |
542 | mask[0] = 0xff; /* match ethernet */ | |
543 | /* | |
544 | * match ethernet, ip.version, ip.ihl | |
545 | * the ip.ihl half byte is really masked out by firmware | |
546 | */ | |
547 | mask[1] = 0x7f; | |
548 | mask[2] = 0x80; /* match ip.protocol */ | |
549 | mask[3] = 0xfc; /* match ip.saddr, ip.daddr */ | |
550 | mask[4] = 0x3f; /* match ip.daddr, tcp.source, tcp.dest */ | |
551 | mask[5] = 0x80; /* match tcp flags */ | |
552 | /* leave rest (0 or set for MVM_TCP_RX_WAKE) */ | |
553 | break; | |
554 | }; | |
555 | ||
556 | *pseudo_hdr_csum = pseudo_hdr_check(ip_tot_len - sizeof(struct iphdr), | |
557 | pkt->ip.saddr, pkt->ip.daddr); | |
558 | } | |
559 | ||
560 | static int iwl_mvm_send_remote_wake_cfg(struct iwl_mvm *mvm, | |
561 | struct ieee80211_vif *vif, | |
562 | struct cfg80211_wowlan_tcp *tcp) | |
563 | { | |
564 | struct iwl_wowlan_remote_wake_config *cfg; | |
565 | struct iwl_host_cmd cmd = { | |
566 | .id = REMOTE_WAKE_CONFIG_CMD, | |
567 | .len = { sizeof(*cfg), }, | |
568 | .dataflags = { IWL_HCMD_DFL_NOCOPY, }, | |
f0c2646a JB |
569 | }; |
570 | int ret; | |
571 | ||
572 | if (!tcp) | |
573 | return 0; | |
574 | ||
575 | cfg = kzalloc(sizeof(*cfg), GFP_KERNEL); | |
576 | if (!cfg) | |
577 | return -ENOMEM; | |
578 | cmd.data[0] = cfg; | |
579 | ||
580 | cfg->max_syn_retries = 10; | |
581 | cfg->max_data_retries = 10; | |
582 | cfg->tcp_syn_ack_timeout = 1; /* seconds */ | |
583 | cfg->tcp_ack_timeout = 1; /* seconds */ | |
584 | ||
585 | /* SYN (TX) */ | |
586 | iwl_mvm_build_tcp_packet( | |
b002c7e1 | 587 | vif, tcp, cfg->syn_tx.data, NULL, |
f0c2646a JB |
588 | &cfg->syn_tx.info.tcp_pseudo_header_checksum, |
589 | MVM_TCP_TX_SYN); | |
590 | cfg->syn_tx.info.tcp_payload_length = 0; | |
591 | ||
592 | /* SYN/ACK (RX) */ | |
593 | iwl_mvm_build_tcp_packet( | |
b002c7e1 | 594 | vif, tcp, cfg->synack_rx.data, cfg->synack_rx.rx_mask, |
f0c2646a JB |
595 | &cfg->synack_rx.info.tcp_pseudo_header_checksum, |
596 | MVM_TCP_RX_SYNACK); | |
597 | cfg->synack_rx.info.tcp_payload_length = 0; | |
598 | ||
599 | /* KEEPALIVE/ACK (TX) */ | |
600 | iwl_mvm_build_tcp_packet( | |
b002c7e1 | 601 | vif, tcp, cfg->keepalive_tx.data, NULL, |
f0c2646a JB |
602 | &cfg->keepalive_tx.info.tcp_pseudo_header_checksum, |
603 | MVM_TCP_TX_DATA); | |
604 | cfg->keepalive_tx.info.tcp_payload_length = | |
605 | cpu_to_le16(tcp->payload_len); | |
606 | cfg->sequence_number_offset = tcp->payload_seq.offset; | |
607 | /* length must be 0..4, the field is little endian */ | |
608 | cfg->sequence_number_length = tcp->payload_seq.len; | |
609 | cfg->initial_sequence_number = cpu_to_le32(tcp->payload_seq.start); | |
610 | cfg->keepalive_interval = cpu_to_le16(tcp->data_interval); | |
611 | if (tcp->payload_tok.len) { | |
612 | cfg->token_offset = tcp->payload_tok.offset; | |
613 | cfg->token_length = tcp->payload_tok.len; | |
614 | cfg->num_tokens = | |
615 | cpu_to_le16(tcp->tokens_size % tcp->payload_tok.len); | |
616 | memcpy(cfg->tokens, tcp->payload_tok.token_stream, | |
617 | tcp->tokens_size); | |
618 | } else { | |
619 | /* set tokens to max value to almost never run out */ | |
620 | cfg->num_tokens = cpu_to_le16(65535); | |
621 | } | |
622 | ||
623 | /* ACK (RX) */ | |
624 | iwl_mvm_build_tcp_packet( | |
b002c7e1 | 625 | vif, tcp, cfg->keepalive_ack_rx.data, |
f0c2646a JB |
626 | cfg->keepalive_ack_rx.rx_mask, |
627 | &cfg->keepalive_ack_rx.info.tcp_pseudo_header_checksum, | |
628 | MVM_TCP_RX_ACK); | |
629 | cfg->keepalive_ack_rx.info.tcp_payload_length = 0; | |
630 | ||
631 | /* WAKEUP (RX) */ | |
632 | iwl_mvm_build_tcp_packet( | |
b002c7e1 | 633 | vif, tcp, cfg->wake_rx.data, cfg->wake_rx.rx_mask, |
f0c2646a JB |
634 | &cfg->wake_rx.info.tcp_pseudo_header_checksum, |
635 | MVM_TCP_RX_WAKE); | |
636 | cfg->wake_rx.info.tcp_payload_length = | |
637 | cpu_to_le16(tcp->wake_len); | |
638 | ||
639 | /* FIN */ | |
640 | iwl_mvm_build_tcp_packet( | |
b002c7e1 | 641 | vif, tcp, cfg->fin_tx.data, NULL, |
f0c2646a JB |
642 | &cfg->fin_tx.info.tcp_pseudo_header_checksum, |
643 | MVM_TCP_TX_FIN); | |
644 | cfg->fin_tx.info.tcp_payload_length = 0; | |
645 | ||
646 | ret = iwl_mvm_send_cmd(mvm, &cmd); | |
647 | kfree(cfg); | |
648 | ||
649 | return ret; | |
650 | } | |
651 | ||
8ca151b5 JB |
652 | static int iwl_mvm_d3_reprogram(struct iwl_mvm *mvm, struct ieee80211_vif *vif, |
653 | struct ieee80211_sta *ap_sta) | |
654 | { | |
655 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
656 | struct ieee80211_chanctx_conf *ctx; | |
657 | u8 chains_static, chains_dynamic; | |
658 | struct cfg80211_chan_def chandef; | |
659 | int ret, i; | |
660 | struct iwl_binding_cmd binding_cmd = {}; | |
661 | struct iwl_time_quota_cmd quota_cmd = {}; | |
662 | u32 status; | |
663 | ||
664 | /* add back the PHY */ | |
665 | if (WARN_ON(!mvmvif->phy_ctxt)) | |
666 | return -EINVAL; | |
667 | ||
668 | rcu_read_lock(); | |
669 | ctx = rcu_dereference(vif->chanctx_conf); | |
670 | if (WARN_ON(!ctx)) { | |
671 | rcu_read_unlock(); | |
672 | return -EINVAL; | |
673 | } | |
674 | chandef = ctx->def; | |
675 | chains_static = ctx->rx_chains_static; | |
676 | chains_dynamic = ctx->rx_chains_dynamic; | |
677 | rcu_read_unlock(); | |
678 | ||
679 | ret = iwl_mvm_phy_ctxt_add(mvm, mvmvif->phy_ctxt, &chandef, | |
680 | chains_static, chains_dynamic); | |
681 | if (ret) | |
682 | return ret; | |
683 | ||
684 | /* add back the MAC */ | |
685 | mvmvif->uploaded = false; | |
686 | ||
687 | if (WARN_ON(!vif->bss_conf.assoc)) | |
688 | return -EINVAL; | |
bca49d9a | 689 | |
8ca151b5 | 690 | ret = iwl_mvm_mac_ctxt_add(mvm, vif); |
8ca151b5 JB |
691 | if (ret) |
692 | return ret; | |
693 | ||
694 | /* add back binding - XXX refactor? */ | |
695 | binding_cmd.id_and_color = | |
696 | cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->phy_ctxt->id, | |
697 | mvmvif->phy_ctxt->color)); | |
698 | binding_cmd.action = cpu_to_le32(FW_CTXT_ACTION_ADD); | |
699 | binding_cmd.phy = | |
700 | cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->phy_ctxt->id, | |
701 | mvmvif->phy_ctxt->color)); | |
702 | binding_cmd.macs[0] = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, | |
703 | mvmvif->color)); | |
704 | for (i = 1; i < MAX_MACS_IN_BINDING; i++) | |
705 | binding_cmd.macs[i] = cpu_to_le32(FW_CTXT_INVALID); | |
706 | ||
707 | status = 0; | |
708 | ret = iwl_mvm_send_cmd_pdu_status(mvm, BINDING_CONTEXT_CMD, | |
709 | sizeof(binding_cmd), &binding_cmd, | |
710 | &status); | |
711 | if (ret) { | |
712 | IWL_ERR(mvm, "Failed to add binding: %d\n", ret); | |
713 | return ret; | |
714 | } | |
715 | ||
716 | if (status) { | |
717 | IWL_ERR(mvm, "Binding command failed: %u\n", status); | |
718 | return -EIO; | |
719 | } | |
720 | ||
7a453973 | 721 | ret = iwl_mvm_sta_send_to_fw(mvm, ap_sta, false); |
8ca151b5 JB |
722 | if (ret) |
723 | return ret; | |
724 | rcu_assign_pointer(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id], ap_sta); | |
725 | ||
3dfd3a97 | 726 | ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); |
8ca151b5 JB |
727 | if (ret) |
728 | return ret; | |
729 | ||
730 | /* and some quota */ | |
731 | quota_cmd.quotas[0].id_and_color = | |
732 | cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->phy_ctxt->id, | |
733 | mvmvif->phy_ctxt->color)); | |
9a3daf82 EG |
734 | quota_cmd.quotas[0].quota = cpu_to_le32(IWL_MVM_MAX_QUOTA); |
735 | quota_cmd.quotas[0].max_duration = cpu_to_le32(IWL_MVM_MAX_QUOTA); | |
8ca151b5 JB |
736 | |
737 | for (i = 1; i < MAX_BINDINGS; i++) | |
738 | quota_cmd.quotas[i].id_and_color = cpu_to_le32(FW_CTXT_INVALID); | |
739 | ||
a1022927 | 740 | ret = iwl_mvm_send_cmd_pdu(mvm, TIME_QUOTA_CMD, 0, |
8ca151b5 JB |
741 | sizeof(quota_cmd), "a_cmd); |
742 | if (ret) | |
743 | IWL_ERR(mvm, "Failed to send quota: %d\n", ret); | |
744 | ||
47c8b154 JD |
745 | if (iwl_mvm_is_lar_supported(mvm) && iwl_mvm_init_fw_regd(mvm)) |
746 | IWL_ERR(mvm, "Failed to initialize D3 LAR information\n"); | |
747 | ||
8ca151b5 JB |
748 | return 0; |
749 | } | |
750 | ||
4ac6cb59 JB |
751 | static int iwl_mvm_get_last_nonqos_seq(struct iwl_mvm *mvm, |
752 | struct ieee80211_vif *vif) | |
753 | { | |
6d9d32b8 JB |
754 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
755 | struct iwl_nonqos_seq_query_cmd query_cmd = { | |
756 | .get_set_flag = cpu_to_le32(IWL_NONQOS_SEQ_GET), | |
757 | .mac_id_n_color = | |
758 | cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, | |
759 | mvmvif->color)), | |
760 | }; | |
4ac6cb59 JB |
761 | struct iwl_host_cmd cmd = { |
762 | .id = NON_QOS_TX_COUNTER_CMD, | |
a1022927 | 763 | .flags = CMD_WANT_SKB, |
4ac6cb59 JB |
764 | }; |
765 | int err; | |
766 | u32 size; | |
767 | ||
3afec639 EG |
768 | cmd.data[0] = &query_cmd; |
769 | cmd.len[0] = sizeof(query_cmd); | |
6d9d32b8 | 770 | |
4ac6cb59 JB |
771 | err = iwl_mvm_send_cmd(mvm, &cmd); |
772 | if (err) | |
773 | return err; | |
774 | ||
65b30348 | 775 | size = iwl_rx_packet_payload_len(cmd.resp_pkt); |
6d9d32b8 | 776 | if (size < sizeof(__le16)) { |
4ac6cb59 | 777 | err = -EINVAL; |
6d9d32b8 JB |
778 | } else { |
779 | err = le16_to_cpup((__le16 *)cmd.resp_pkt->data); | |
3afec639 EG |
780 | /* firmware returns next, not last-used seqno */ |
781 | err = (u16) (err - 0x10); | |
6d9d32b8 | 782 | } |
4ac6cb59 JB |
783 | |
784 | iwl_free_resp(&cmd); | |
785 | return err; | |
786 | } | |
787 | ||
6d9d32b8 JB |
788 | void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif) |
789 | { | |
790 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
791 | struct iwl_nonqos_seq_query_cmd query_cmd = { | |
792 | .get_set_flag = cpu_to_le32(IWL_NONQOS_SEQ_SET), | |
793 | .mac_id_n_color = | |
794 | cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, | |
795 | mvmvif->color)), | |
796 | .value = cpu_to_le16(mvmvif->seqno), | |
797 | }; | |
798 | ||
799 | /* return if called during restart, not resume from D3 */ | |
800 | if (!mvmvif->seqno_valid) | |
801 | return; | |
802 | ||
803 | mvmvif->seqno_valid = false; | |
804 | ||
a1022927 | 805 | if (iwl_mvm_send_cmd_pdu(mvm, NON_QOS_TX_COUNTER_CMD, 0, |
6d9d32b8 JB |
806 | sizeof(query_cmd), &query_cmd)) |
807 | IWL_ERR(mvm, "failed to set non-QoS seqno\n"); | |
808 | } | |
809 | ||
671b5820 LC |
810 | static int iwl_mvm_switch_to_d3(struct iwl_mvm *mvm) |
811 | { | |
c7d42480 | 812 | iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); |
671b5820 LC |
813 | |
814 | iwl_trans_stop_device(mvm->trans); | |
815 | ||
816 | /* | |
817 | * Set the HW restart bit -- this is mostly true as we're | |
818 | * going to load new firmware and reprogram that, though | |
819 | * the reprogramming is going to be manual to avoid adding | |
820 | * all the MACs that aren't support. | |
821 | * We don't have to clear up everything though because the | |
822 | * reprogramming is manual. When we resume, we'll actually | |
823 | * go through a proper restart sequence again to switch | |
824 | * back to the runtime firmware image. | |
825 | */ | |
826 | set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); | |
827 | ||
9c3deeb5 LC |
828 | /* the fw is reset, so all the keys are cleared */ |
829 | memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); | |
830 | ||
671b5820 LC |
831 | mvm->ptk_ivlen = 0; |
832 | mvm->ptk_icvlen = 0; | |
833 | mvm->ptk_ivlen = 0; | |
834 | mvm->ptk_icvlen = 0; | |
835 | ||
836 | return iwl_mvm_load_d3_fw(mvm); | |
837 | } | |
838 | ||
671b5820 LC |
839 | static int |
840 | iwl_mvm_get_wowlan_config(struct iwl_mvm *mvm, | |
841 | struct cfg80211_wowlan *wowlan, | |
c8b06a99 | 842 | struct iwl_wowlan_config_cmd *wowlan_config_cmd, |
671b5820 LC |
843 | struct ieee80211_vif *vif, struct iwl_mvm_vif *mvmvif, |
844 | struct ieee80211_sta *ap_sta) | |
8ca151b5 | 845 | { |
1a95c8df | 846 | int ret; |
9d8ce6af | 847 | struct iwl_mvm_sta *mvm_ap_sta = iwl_mvm_sta_from_mac80211(ap_sta); |
8ca151b5 | 848 | |
c8b06a99 | 849 | /* TODO: wowlan_config_cmd->wowlan_ba_teardown_tids */ |
8ca151b5 | 850 | |
c8b06a99 | 851 | wowlan_config_cmd->is_11n_connection = |
1a95c8df | 852 | ap_sta->ht_cap.ht_supported; |
70b4c536 SS |
853 | wowlan_config_cmd->flags = ENABLE_L3_FILTERING | |
854 | ENABLE_NBNS_FILTERING | ENABLE_DHCP_FILTERING; | |
8ca151b5 | 855 | |
4ac6cb59 JB |
856 | /* Query the last used seqno and set it */ |
857 | ret = iwl_mvm_get_last_nonqos_seq(mvm, vif); | |
858 | if (ret < 0) | |
671b5820 | 859 | return ret; |
8ca151b5 | 860 | |
c8b06a99 | 861 | wowlan_config_cmd->non_qos_seq = cpu_to_le16(ret); |
671b5820 | 862 | |
c8b06a99 | 863 | iwl_mvm_set_wowlan_qos_seq(mvm_ap_sta, wowlan_config_cmd); |
8ca151b5 JB |
864 | |
865 | if (wowlan->disconnect) | |
c8b06a99 | 866 | wowlan_config_cmd->wakeup_filter |= |
8ca151b5 JB |
867 | cpu_to_le32(IWL_WOWLAN_WAKEUP_BEACON_MISS | |
868 | IWL_WOWLAN_WAKEUP_LINK_CHANGE); | |
869 | if (wowlan->magic_pkt) | |
c8b06a99 | 870 | wowlan_config_cmd->wakeup_filter |= |
8ca151b5 JB |
871 | cpu_to_le32(IWL_WOWLAN_WAKEUP_MAGIC_PACKET); |
872 | if (wowlan->gtk_rekey_failure) | |
c8b06a99 | 873 | wowlan_config_cmd->wakeup_filter |= |
8ca151b5 JB |
874 | cpu_to_le32(IWL_WOWLAN_WAKEUP_GTK_REKEY_FAIL); |
875 | if (wowlan->eap_identity_req) | |
c8b06a99 | 876 | wowlan_config_cmd->wakeup_filter |= |
8ca151b5 JB |
877 | cpu_to_le32(IWL_WOWLAN_WAKEUP_EAP_IDENT_REQ); |
878 | if (wowlan->four_way_handshake) | |
c8b06a99 | 879 | wowlan_config_cmd->wakeup_filter |= |
8ca151b5 JB |
880 | cpu_to_le32(IWL_WOWLAN_WAKEUP_4WAY_HANDSHAKE); |
881 | if (wowlan->n_patterns) | |
c8b06a99 | 882 | wowlan_config_cmd->wakeup_filter |= |
8ca151b5 JB |
883 | cpu_to_le32(IWL_WOWLAN_WAKEUP_PATTERN_MATCH); |
884 | ||
885 | if (wowlan->rfkill_release) | |
c8b06a99 | 886 | wowlan_config_cmd->wakeup_filter |= |
8ca151b5 JB |
887 | cpu_to_le32(IWL_WOWLAN_WAKEUP_RF_KILL_DEASSERT); |
888 | ||
f0c2646a JB |
889 | if (wowlan->tcp) { |
890 | /* | |
6039f3e1 JB |
891 | * Set the "link change" (really "link lost") flag as well |
892 | * since that implies losing the TCP connection. | |
f0c2646a | 893 | */ |
c8b06a99 | 894 | wowlan_config_cmd->wakeup_filter |= |
f0c2646a JB |
895 | cpu_to_le32(IWL_WOWLAN_WAKEUP_REMOTE_LINK_LOSS | |
896 | IWL_WOWLAN_WAKEUP_REMOTE_SIGNATURE_TABLE | | |
897 | IWL_WOWLAN_WAKEUP_REMOTE_WAKEUP_PACKET | | |
898 | IWL_WOWLAN_WAKEUP_LINK_CHANGE); | |
899 | } | |
900 | ||
671b5820 LC |
901 | return 0; |
902 | } | |
f444eb10 | 903 | |
a3f7ba5c EP |
904 | static void |
905 | iwl_mvm_iter_d0i3_ap_keys(struct iwl_mvm *mvm, | |
906 | struct ieee80211_vif *vif, | |
907 | void (*iter)(struct ieee80211_hw *hw, | |
908 | struct ieee80211_vif *vif, | |
909 | struct ieee80211_sta *sta, | |
910 | struct ieee80211_key_conf *key, | |
911 | void *data), | |
912 | void *data) | |
913 | { | |
914 | struct ieee80211_sta *ap_sta; | |
915 | ||
916 | rcu_read_lock(); | |
917 | ||
918 | ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[mvm->d0i3_ap_sta_id]); | |
919 | if (IS_ERR_OR_NULL(ap_sta)) | |
920 | goto out; | |
921 | ||
922 | ieee80211_iter_keys_rcu(mvm->hw, vif, iter, data); | |
923 | out: | |
924 | rcu_read_unlock(); | |
925 | } | |
926 | ||
ac8ef0ce EP |
927 | int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, |
928 | struct ieee80211_vif *vif, | |
a3f7ba5c | 929 | bool d0i3, |
ac8ef0ce | 930 | u32 cmd_flags) |
671b5820 LC |
931 | { |
932 | struct iwl_wowlan_kek_kck_material_cmd kek_kck_cmd = {}; | |
933 | struct iwl_wowlan_tkip_params_cmd tkip_cmd = {}; | |
934 | struct wowlan_key_data key_data = { | |
a3f7ba5c | 935 | .configure_keys = !d0i3, |
671b5820 LC |
936 | .use_rsc_tsc = false, |
937 | .tkip = &tkip_cmd, | |
938 | .use_tkip = false, | |
939 | }; | |
ac8ef0ce EP |
940 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
941 | int ret; | |
942 | ||
943 | key_data.rsc_tsc = kzalloc(sizeof(*key_data.rsc_tsc), GFP_KERNEL); | |
944 | if (!key_data.rsc_tsc) | |
945 | return -ENOMEM; | |
946 | ||
947 | /* | |
a3f7ba5c EP |
948 | * if we have to configure keys, call ieee80211_iter_keys(), |
949 | * as we need non-atomic context in order to take the | |
950 | * required locks. | |
951 | * for the d0i3 we can't use ieee80211_iter_keys(), as | |
952 | * taking (almost) any mutex might result in deadlock. | |
ac8ef0ce | 953 | */ |
a3f7ba5c EP |
954 | if (!d0i3) { |
955 | /* | |
956 | * Note that currently we don't propagate cmd_flags | |
957 | * to the iterator. In case of key_data.configure_keys, | |
958 | * all the configured commands are SYNC, and | |
959 | * iwl_mvm_wowlan_program_keys() will take care of | |
960 | * locking/unlocking mvm->mutex. | |
961 | */ | |
962 | ieee80211_iter_keys(mvm->hw, vif, | |
963 | iwl_mvm_wowlan_program_keys, | |
964 | &key_data); | |
965 | } else { | |
966 | iwl_mvm_iter_d0i3_ap_keys(mvm, vif, | |
967 | iwl_mvm_wowlan_program_keys, | |
968 | &key_data); | |
969 | } | |
ac8ef0ce EP |
970 | |
971 | if (key_data.error) { | |
972 | ret = -EIO; | |
973 | goto out; | |
974 | } | |
975 | ||
976 | if (key_data.use_rsc_tsc) { | |
977 | ret = iwl_mvm_send_cmd_pdu(mvm, | |
978 | WOWLAN_TSC_RSC_PARAM, cmd_flags, | |
979 | sizeof(*key_data.rsc_tsc), | |
980 | key_data.rsc_tsc); | |
981 | if (ret) | |
982 | goto out; | |
983 | } | |
984 | ||
985 | if (key_data.use_tkip) { | |
986 | ret = iwl_mvm_send_cmd_pdu(mvm, | |
987 | WOWLAN_TKIP_PARAM, | |
988 | cmd_flags, sizeof(tkip_cmd), | |
989 | &tkip_cmd); | |
990 | if (ret) | |
991 | goto out; | |
992 | } | |
993 | ||
a3f7ba5c EP |
994 | /* configure rekey data only if offloaded rekey is supported (d3) */ |
995 | if (mvmvif->rekey_data.valid && !d0i3) { | |
ac8ef0ce EP |
996 | memset(&kek_kck_cmd, 0, sizeof(kek_kck_cmd)); |
997 | memcpy(kek_kck_cmd.kck, mvmvif->rekey_data.kck, | |
998 | NL80211_KCK_LEN); | |
999 | kek_kck_cmd.kck_len = cpu_to_le16(NL80211_KCK_LEN); | |
1000 | memcpy(kek_kck_cmd.kek, mvmvif->rekey_data.kek, | |
1001 | NL80211_KEK_LEN); | |
1002 | kek_kck_cmd.kek_len = cpu_to_le16(NL80211_KEK_LEN); | |
1003 | kek_kck_cmd.replay_ctr = mvmvif->rekey_data.replay_ctr; | |
1004 | ||
1005 | ret = iwl_mvm_send_cmd_pdu(mvm, | |
1006 | WOWLAN_KEK_KCK_MATERIAL, cmd_flags, | |
1007 | sizeof(kek_kck_cmd), | |
1008 | &kek_kck_cmd); | |
1009 | if (ret) | |
1010 | goto out; | |
1011 | } | |
3f50a690 | 1012 | ret = 0; |
ac8ef0ce EP |
1013 | out: |
1014 | kfree(key_data.rsc_tsc); | |
1015 | return ret; | |
1016 | } | |
1017 | ||
1018 | static int | |
1019 | iwl_mvm_wowlan_config(struct iwl_mvm *mvm, | |
1020 | struct cfg80211_wowlan *wowlan, | |
1021 | struct iwl_wowlan_config_cmd *wowlan_config_cmd, | |
1022 | struct ieee80211_vif *vif, struct iwl_mvm_vif *mvmvif, | |
1023 | struct ieee80211_sta *ap_sta) | |
1024 | { | |
671b5820 | 1025 | int ret; |
8ca151b5 | 1026 | |
3acc952b LC |
1027 | ret = iwl_mvm_switch_to_d3(mvm); |
1028 | if (ret) | |
1029 | return ret; | |
1030 | ||
8ca151b5 JB |
1031 | ret = iwl_mvm_d3_reprogram(mvm, vif, ap_sta); |
1032 | if (ret) | |
671b5820 LC |
1033 | return ret; |
1034 | ||
8ca151b5 JB |
1035 | if (!iwlwifi_mod_params.sw_crypto) { |
1036 | /* | |
1037 | * This needs to be unlocked due to lock ordering | |
1038 | * constraints. Since we're in the suspend path | |
1039 | * that isn't really a problem though. | |
1040 | */ | |
1041 | mutex_unlock(&mvm->mutex); | |
a3f7ba5c | 1042 | ret = iwl_mvm_wowlan_config_key_params(mvm, vif, false, |
3f50a690 | 1043 | CMD_ASYNC); |
8ca151b5 | 1044 | mutex_lock(&mvm->mutex); |
3f50a690 EP |
1045 | if (ret) |
1046 | return ret; | |
8ca151b5 JB |
1047 | } |
1048 | ||
c8b06a99 EG |
1049 | ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, 0, |
1050 | sizeof(*wowlan_config_cmd), | |
1051 | wowlan_config_cmd); | |
8ca151b5 | 1052 | if (ret) |
ac8ef0ce | 1053 | return ret; |
8ca151b5 JB |
1054 | |
1055 | ret = iwl_mvm_send_patterns(mvm, wowlan); | |
1056 | if (ret) | |
ac8ef0ce | 1057 | return ret; |
8ca151b5 | 1058 | |
c97dab40 | 1059 | ret = iwl_mvm_send_proto_offload(mvm, vif, false, true, 0); |
8ca151b5 | 1060 | if (ret) |
ac8ef0ce | 1061 | return ret; |
8ca151b5 | 1062 | |
f0c2646a | 1063 | ret = iwl_mvm_send_remote_wake_cfg(mvm, vif, wowlan->tcp); |
671b5820 LC |
1064 | return ret; |
1065 | } | |
1066 | ||
3acc952b LC |
1067 | static int |
1068 | iwl_mvm_netdetect_config(struct iwl_mvm *mvm, | |
1069 | struct cfg80211_wowlan *wowlan, | |
1070 | struct cfg80211_sched_scan_request *nd_config, | |
1071 | struct ieee80211_vif *vif) | |
1072 | { | |
c8b06a99 | 1073 | struct iwl_wowlan_config_cmd wowlan_config_cmd = {}; |
3acc952b LC |
1074 | int ret; |
1075 | ||
1076 | ret = iwl_mvm_switch_to_d3(mvm); | |
1077 | if (ret) | |
1078 | return ret; | |
1079 | ||
1080 | /* rfkill release can be either for wowlan or netdetect */ | |
1081 | if (wowlan->rfkill_release) | |
c8b06a99 | 1082 | wowlan_config_cmd.wakeup_filter |= |
3acc952b LC |
1083 | cpu_to_le32(IWL_WOWLAN_WAKEUP_RF_KILL_DEASSERT); |
1084 | ||
c8b06a99 EG |
1085 | ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, 0, |
1086 | sizeof(wowlan_config_cmd), | |
1087 | &wowlan_config_cmd); | |
3acc952b LC |
1088 | if (ret) |
1089 | return ret; | |
1090 | ||
19945dfb LC |
1091 | ret = iwl_mvm_sched_scan_start(mvm, vif, nd_config, &mvm->nd_ies, |
1092 | IWL_MVM_SCAN_NETDETECT); | |
d9718da8 LC |
1093 | if (ret) |
1094 | return ret; | |
3acc952b | 1095 | |
8ed4e659 | 1096 | if (WARN_ON(mvm->nd_match_sets || mvm->nd_channels)) |
d9718da8 LC |
1097 | return -EBUSY; |
1098 | ||
8ed4e659 | 1099 | /* save the sched scan matchsets... */ |
d9718da8 LC |
1100 | if (nd_config->n_match_sets) { |
1101 | mvm->nd_match_sets = kmemdup(nd_config->match_sets, | |
1102 | sizeof(*nd_config->match_sets) * | |
1103 | nd_config->n_match_sets, | |
1104 | GFP_KERNEL); | |
1105 | if (mvm->nd_match_sets) | |
1106 | mvm->n_nd_match_sets = nd_config->n_match_sets; | |
1107 | } | |
1108 | ||
8ed4e659 LC |
1109 | /* ...and the sched scan channels for later reporting */ |
1110 | mvm->nd_channels = kmemdup(nd_config->channels, | |
1111 | sizeof(*nd_config->channels) * | |
1112 | nd_config->n_channels, | |
1113 | GFP_KERNEL); | |
1114 | if (mvm->nd_channels) | |
1115 | mvm->n_nd_channels = nd_config->n_channels; | |
1116 | ||
d9718da8 LC |
1117 | return 0; |
1118 | } | |
1119 | ||
1120 | static void iwl_mvm_free_nd(struct iwl_mvm *mvm) | |
1121 | { | |
1122 | kfree(mvm->nd_match_sets); | |
1123 | mvm->nd_match_sets = NULL; | |
1124 | mvm->n_nd_match_sets = 0; | |
8ed4e659 LC |
1125 | kfree(mvm->nd_channels); |
1126 | mvm->nd_channels = NULL; | |
1127 | mvm->n_nd_channels = 0; | |
3acc952b LC |
1128 | } |
1129 | ||
671b5820 LC |
1130 | static int __iwl_mvm_suspend(struct ieee80211_hw *hw, |
1131 | struct cfg80211_wowlan *wowlan, | |
1132 | bool test) | |
1133 | { | |
1134 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
671b5820 LC |
1135 | struct ieee80211_vif *vif = NULL; |
1136 | struct iwl_mvm_vif *mvmvif = NULL; | |
1137 | struct ieee80211_sta *ap_sta = NULL; | |
671b5820 LC |
1138 | struct iwl_d3_manager_config d3_cfg_cmd_data = { |
1139 | /* | |
1140 | * Program the minimum sleep time to 10 seconds, as many | |
1141 | * platforms have issues processing a wakeup signal while | |
1142 | * still being in the process of suspending. | |
1143 | */ | |
1144 | .min_sleep_time = cpu_to_le32(10 * 1000 * 1000), | |
1145 | }; | |
1146 | struct iwl_host_cmd d3_cfg_cmd = { | |
1147 | .id = D3_CONFIG_CMD, | |
1148 | .flags = CMD_WANT_SKB, | |
1149 | .data[0] = &d3_cfg_cmd_data, | |
1150 | .len[0] = sizeof(d3_cfg_cmd_data), | |
1151 | }; | |
1152 | int ret; | |
1153 | int len __maybe_unused; | |
1154 | ||
1155 | if (!wowlan) { | |
1156 | /* | |
1157 | * mac80211 shouldn't get here, but for D3 test | |
1158 | * it doesn't warrant a warning | |
1159 | */ | |
1160 | WARN_ON(!test); | |
1161 | return -EINVAL; | |
1162 | } | |
1163 | ||
1164 | mutex_lock(&mvm->mutex); | |
1165 | ||
7f549e2c LC |
1166 | vif = iwl_mvm_get_bss_vif(mvm); |
1167 | if (IS_ERR_OR_NULL(vif)) { | |
671b5820 LC |
1168 | ret = 1; |
1169 | goto out_noreset; | |
1170 | } | |
1171 | ||
671b5820 LC |
1172 | mvmvif = iwl_mvm_vif_from_mac80211(vif); |
1173 | ||
3acc952b LC |
1174 | if (mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT) { |
1175 | /* if we're not associated, this must be netdetect */ | |
566f165d | 1176 | if (!wowlan->nd_config) { |
3acc952b LC |
1177 | ret = 1; |
1178 | goto out_noreset; | |
1179 | } | |
1180 | ||
1181 | ret = iwl_mvm_netdetect_config( | |
566f165d | 1182 | mvm, wowlan, wowlan->nd_config, vif); |
3acc952b LC |
1183 | if (ret) |
1184 | goto out; | |
2021a89d LC |
1185 | |
1186 | mvm->net_detect = true; | |
3acc952b | 1187 | } else { |
c8b06a99 | 1188 | struct iwl_wowlan_config_cmd wowlan_config_cmd = {}; |
3acc952b | 1189 | |
1e4d19ca LC |
1190 | ap_sta = rcu_dereference_protected( |
1191 | mvm->fw_id_to_mac_id[mvmvif->ap_sta_id], | |
1192 | lockdep_is_held(&mvm->mutex)); | |
1193 | if (IS_ERR_OR_NULL(ap_sta)) { | |
1194 | ret = -EINVAL; | |
1195 | goto out_noreset; | |
1196 | } | |
671b5820 | 1197 | |
1e4d19ca LC |
1198 | ret = iwl_mvm_get_wowlan_config(mvm, wowlan, &wowlan_config_cmd, |
1199 | vif, mvmvif, ap_sta); | |
1200 | if (ret) | |
1201 | goto out_noreset; | |
1e4d19ca LC |
1202 | ret = iwl_mvm_wowlan_config(mvm, wowlan, &wowlan_config_cmd, |
1203 | vif, mvmvif, ap_sta); | |
1204 | if (ret) | |
3c2f3b20 | 1205 | goto out; |
2021a89d LC |
1206 | |
1207 | mvm->net_detect = false; | |
1e4d19ca | 1208 | } |
f0c2646a | 1209 | |
c1cb92fc | 1210 | ret = iwl_mvm_power_update_device(mvm); |
64b928c4 AB |
1211 | if (ret) |
1212 | goto out; | |
1213 | ||
999609f1 | 1214 | ret = iwl_mvm_power_update_mac(mvm); |
ee1e8422 AB |
1215 | if (ret) |
1216 | goto out; | |
1217 | ||
b0114714 JB |
1218 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
1219 | if (mvm->d3_wake_sysassert) | |
1220 | d3_cfg_cmd_data.wakeup_flags |= | |
1221 | cpu_to_le32(IWL_WAKEUP_D3_CONFIG_FW_ERROR); | |
1222 | #endif | |
1223 | ||
8ca151b5 | 1224 | /* must be last -- this switches firmware state */ |
debff618 | 1225 | ret = iwl_mvm_send_cmd(mvm, &d3_cfg_cmd); |
8ca151b5 JB |
1226 | if (ret) |
1227 | goto out; | |
debff618 | 1228 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
65b30348 JB |
1229 | len = iwl_rx_packet_payload_len(d3_cfg_cmd.resp_pkt); |
1230 | if (len >= sizeof(u32)) { | |
debff618 JB |
1231 | mvm->d3_test_pme_ptr = |
1232 | le32_to_cpup((__le32 *)d3_cfg_cmd.resp_pkt->data); | |
debff618 JB |
1233 | } |
1234 | #endif | |
1235 | iwl_free_resp(&d3_cfg_cmd); | |
8ca151b5 JB |
1236 | |
1237 | clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); | |
1238 | ||
debff618 | 1239 | iwl_trans_d3_suspend(mvm->trans, test); |
8ca151b5 | 1240 | out: |
d9718da8 | 1241 | if (ret < 0) { |
48e67751 | 1242 | iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); |
8ca151b5 | 1243 | ieee80211_restart_hw(mvm->hw); |
d9718da8 LC |
1244 | iwl_mvm_free_nd(mvm); |
1245 | } | |
b70ab727 | 1246 | out_noreset: |
8ca151b5 JB |
1247 | mutex_unlock(&mvm->mutex); |
1248 | ||
1249 | return ret; | |
1250 | } | |
1251 | ||
6735943f EP |
1252 | static int iwl_mvm_enter_d0i3_sync(struct iwl_mvm *mvm) |
1253 | { | |
1254 | struct iwl_notification_wait wait_d3; | |
6eb031d2 | 1255 | static const u16 d3_notif[] = { D3_CONFIG_CMD }; |
6735943f EP |
1256 | int ret; |
1257 | ||
1258 | iwl_init_notification_wait(&mvm->notif_wait, &wait_d3, | |
1259 | d3_notif, ARRAY_SIZE(d3_notif), | |
1260 | NULL, NULL); | |
1261 | ||
1262 | ret = iwl_mvm_enter_d0i3(mvm->hw->priv); | |
1263 | if (ret) | |
1264 | goto remove_notif; | |
1265 | ||
1266 | ret = iwl_wait_notification(&mvm->notif_wait, &wait_d3, HZ); | |
1267 | WARN_ON_ONCE(ret); | |
1268 | return ret; | |
1269 | ||
1270 | remove_notif: | |
1271 | iwl_remove_notification(&mvm->notif_wait, &wait_d3); | |
1272 | return ret; | |
1273 | } | |
1274 | ||
debff618 JB |
1275 | int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) |
1276 | { | |
d15a747f | 1277 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
b7282643 | 1278 | struct iwl_trans *trans = mvm->trans; |
c43fe907 EP |
1279 | int ret; |
1280 | ||
cf8c3cff LC |
1281 | /* make sure the d0i3 exit work is not pending */ |
1282 | flush_work(&mvm->d0i3_exit_work); | |
1283 | ||
b7282643 | 1284 | ret = iwl_trans_suspend(trans); |
c43fe907 EP |
1285 | if (ret) |
1286 | return ret; | |
d15a747f | 1287 | |
b7282643 LC |
1288 | if (wowlan->any) { |
1289 | trans->system_pm_mode = IWL_PLAT_PM_MODE_D0I3; | |
1290 | ||
1291 | if (iwl_mvm_enter_d0i3_on_suspend(mvm)) { | |
c43fe907 | 1292 | ret = iwl_mvm_enter_d0i3_sync(mvm); |
6735943f EP |
1293 | |
1294 | if (ret) | |
1295 | return ret; | |
1296 | } | |
1297 | ||
d15a747f EP |
1298 | mutex_lock(&mvm->d0i3_suspend_mutex); |
1299 | __set_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags); | |
1300 | mutex_unlock(&mvm->d0i3_suspend_mutex); | |
6dfb36c8 | 1301 | |
b7282643 | 1302 | iwl_trans_d3_suspend(trans, false); |
6dfb36c8 | 1303 | |
d15a747f EP |
1304 | return 0; |
1305 | } | |
1306 | ||
b7282643 LC |
1307 | trans->system_pm_mode = IWL_PLAT_PM_MODE_D3; |
1308 | ||
debff618 JB |
1309 | return __iwl_mvm_suspend(hw, wowlan, false); |
1310 | } | |
1311 | ||
6d9d32b8 JB |
1312 | /* converted data from the different status responses */ |
1313 | struct iwl_wowlan_status_data { | |
1314 | u16 pattern_number; | |
1315 | u16 qos_seq_ctr[8]; | |
1316 | u32 wakeup_reasons; | |
1317 | u32 wake_packet_length; | |
1318 | u32 wake_packet_bufsize; | |
1319 | const u8 *wake_packet; | |
1320 | }; | |
1321 | ||
7abc4632 JB |
1322 | static void iwl_mvm_report_wakeup_reasons(struct iwl_mvm *mvm, |
1323 | struct ieee80211_vif *vif, | |
6d9d32b8 | 1324 | struct iwl_wowlan_status_data *status) |
9b26b500 | 1325 | { |
7abc4632 | 1326 | struct sk_buff *pkt = NULL; |
9b26b500 JB |
1327 | struct cfg80211_wowlan_wakeup wakeup = { |
1328 | .pattern_idx = -1, | |
1329 | }; | |
1330 | struct cfg80211_wowlan_wakeup *wakeup_report = &wakeup; | |
6d9d32b8 | 1331 | u32 reasons = status->wakeup_reasons; |
9b26b500 JB |
1332 | |
1333 | if (reasons == IWL_WOWLAN_WAKEUP_BY_NON_WIRELESS) { | |
1334 | wakeup_report = NULL; | |
1335 | goto report; | |
1336 | } | |
1337 | ||
06ae2ad4 DB |
1338 | pm_wakeup_event(mvm->dev, 0); |
1339 | ||
f444eb10 | 1340 | if (reasons & IWL_WOWLAN_WAKEUP_BY_MAGIC_PACKET) |
9b26b500 | 1341 | wakeup.magic_pkt = true; |
9b26b500 | 1342 | |
f444eb10 | 1343 | if (reasons & IWL_WOWLAN_WAKEUP_BY_PATTERN) |
9b26b500 | 1344 | wakeup.pattern_idx = |
6d9d32b8 | 1345 | status->pattern_number; |
9b26b500 JB |
1346 | |
1347 | if (reasons & (IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON | | |
1348 | IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH)) | |
1349 | wakeup.disconnect = true; | |
1350 | ||
f444eb10 | 1351 | if (reasons & IWL_WOWLAN_WAKEUP_BY_GTK_REKEY_FAILURE) |
9b26b500 | 1352 | wakeup.gtk_rekey_failure = true; |
9b26b500 | 1353 | |
f444eb10 | 1354 | if (reasons & IWL_WOWLAN_WAKEUP_BY_RFKILL_DEASSERTED) |
9b26b500 | 1355 | wakeup.rfkill_release = true; |
9b26b500 | 1356 | |
f444eb10 | 1357 | if (reasons & IWL_WOWLAN_WAKEUP_BY_EAPOL_REQUEST) |
9b26b500 | 1358 | wakeup.eap_identity_req = true; |
9b26b500 | 1359 | |
f444eb10 | 1360 | if (reasons & IWL_WOWLAN_WAKEUP_BY_FOUR_WAY_HANDSHAKE) |
9b26b500 | 1361 | wakeup.four_way_handshake = true; |
9b26b500 | 1362 | |
f0c2646a JB |
1363 | if (reasons & IWL_WOWLAN_WAKEUP_BY_REM_WAKE_LINK_LOSS) |
1364 | wakeup.tcp_connlost = true; | |
1365 | ||
1366 | if (reasons & IWL_WOWLAN_WAKEUP_BY_REM_WAKE_SIGNATURE_TABLE) | |
1367 | wakeup.tcp_nomoretokens = true; | |
1368 | ||
1369 | if (reasons & IWL_WOWLAN_WAKEUP_BY_REM_WAKE_WAKEUP_PACKET) | |
1370 | wakeup.tcp_match = true; | |
1371 | ||
9b26b500 | 1372 | if (status->wake_packet_bufsize) { |
6d9d32b8 JB |
1373 | int pktsize = status->wake_packet_bufsize; |
1374 | int pktlen = status->wake_packet_length; | |
f444eb10 JB |
1375 | const u8 *pktdata = status->wake_packet; |
1376 | struct ieee80211_hdr *hdr = (void *)pktdata; | |
1377 | int truncated = pktlen - pktsize; | |
1378 | ||
1379 | /* this would be a firmware bug */ | |
1380 | if (WARN_ON_ONCE(truncated < 0)) | |
1381 | truncated = 0; | |
1382 | ||
1383 | if (ieee80211_is_data(hdr->frame_control)) { | |
1384 | int hdrlen = ieee80211_hdrlen(hdr->frame_control); | |
1385 | int ivlen = 0, icvlen = 4; /* also FCS */ | |
9b26b500 | 1386 | |
9b26b500 JB |
1387 | pkt = alloc_skb(pktsize, GFP_KERNEL); |
1388 | if (!pkt) | |
1389 | goto report; | |
f444eb10 JB |
1390 | |
1391 | memcpy(skb_put(pkt, hdrlen), pktdata, hdrlen); | |
1392 | pktdata += hdrlen; | |
1393 | pktsize -= hdrlen; | |
1394 | ||
1395 | if (ieee80211_has_protected(hdr->frame_control)) { | |
7abc4632 JB |
1396 | /* |
1397 | * This is unlocked and using gtk_i(c)vlen, | |
1398 | * but since everything is under RTNL still | |
1399 | * that's not really a problem - changing | |
1400 | * it would be difficult. | |
1401 | */ | |
f444eb10 JB |
1402 | if (is_multicast_ether_addr(hdr->addr1)) { |
1403 | ivlen = mvm->gtk_ivlen; | |
1404 | icvlen += mvm->gtk_icvlen; | |
1405 | } else { | |
1406 | ivlen = mvm->ptk_ivlen; | |
1407 | icvlen += mvm->ptk_icvlen; | |
1408 | } | |
1409 | } | |
1410 | ||
1411 | /* if truncated, FCS/ICV is (partially) gone */ | |
1412 | if (truncated >= icvlen) { | |
1413 | icvlen = 0; | |
1414 | truncated -= icvlen; | |
1415 | } else { | |
1416 | icvlen -= truncated; | |
1417 | truncated = 0; | |
1418 | } | |
1419 | ||
1420 | pktsize -= ivlen + icvlen; | |
1421 | pktdata += ivlen; | |
1422 | ||
1423 | memcpy(skb_put(pkt, pktsize), pktdata, pktsize); | |
1424 | ||
9b26b500 JB |
1425 | if (ieee80211_data_to_8023(pkt, vif->addr, vif->type)) |
1426 | goto report; | |
1427 | wakeup.packet = pkt->data; | |
1428 | wakeup.packet_present_len = pkt->len; | |
f444eb10 | 1429 | wakeup.packet_len = pkt->len - truncated; |
9b26b500 JB |
1430 | wakeup.packet_80211 = false; |
1431 | } else { | |
f444eb10 JB |
1432 | int fcslen = 4; |
1433 | ||
1434 | if (truncated >= 4) { | |
1435 | truncated -= 4; | |
1436 | fcslen = 0; | |
1437 | } else { | |
1438 | fcslen -= truncated; | |
1439 | truncated = 0; | |
1440 | } | |
1441 | pktsize -= fcslen; | |
9b26b500 JB |
1442 | wakeup.packet = status->wake_packet; |
1443 | wakeup.packet_present_len = pktsize; | |
f444eb10 | 1444 | wakeup.packet_len = pktlen - truncated; |
9b26b500 JB |
1445 | wakeup.packet_80211 = true; |
1446 | } | |
1447 | } | |
1448 | ||
1449 | report: | |
1450 | ieee80211_report_wowlan_wakeup(vif, wakeup_report, GFP_KERNEL); | |
1451 | kfree_skb(pkt); | |
7abc4632 | 1452 | } |
9b26b500 | 1453 | |
6d9d32b8 JB |
1454 | static void iwl_mvm_aes_sc_to_seq(struct aes_sc *sc, |
1455 | struct ieee80211_key_seq *seq) | |
1456 | { | |
1457 | u64 pn; | |
1458 | ||
1459 | pn = le64_to_cpu(sc->pn); | |
1460 | seq->ccmp.pn[0] = pn >> 40; | |
1461 | seq->ccmp.pn[1] = pn >> 32; | |
1462 | seq->ccmp.pn[2] = pn >> 24; | |
1463 | seq->ccmp.pn[3] = pn >> 16; | |
1464 | seq->ccmp.pn[4] = pn >> 8; | |
1465 | seq->ccmp.pn[5] = pn; | |
1466 | } | |
1467 | ||
1468 | static void iwl_mvm_tkip_sc_to_seq(struct tkip_sc *sc, | |
1469 | struct ieee80211_key_seq *seq) | |
1470 | { | |
1471 | seq->tkip.iv32 = le32_to_cpu(sc->iv32); | |
1472 | seq->tkip.iv16 = le16_to_cpu(sc->iv16); | |
1473 | } | |
1474 | ||
f5e28eac JB |
1475 | static void iwl_mvm_set_aes_rx_seq(struct iwl_mvm *mvm, struct aes_sc *scs, |
1476 | struct ieee80211_sta *sta, | |
6d9d32b8 JB |
1477 | struct ieee80211_key_conf *key) |
1478 | { | |
1479 | int tid; | |
1480 | ||
1481 | BUILD_BUG_ON(IWL_NUM_RSC != IEEE80211_NUM_TIDS); | |
1482 | ||
f5e28eac JB |
1483 | if (sta && iwl_mvm_has_new_rx_api(mvm)) { |
1484 | struct iwl_mvm_sta *mvmsta; | |
1485 | struct iwl_mvm_key_pn *ptk_pn; | |
6d9d32b8 | 1486 | |
f5e28eac JB |
1487 | mvmsta = iwl_mvm_sta_from_mac80211(sta); |
1488 | ||
1489 | ptk_pn = rcu_dereference_protected(mvmsta->ptk_pn[key->keyidx], | |
1490 | lockdep_is_held(&mvm->mutex)); | |
1491 | if (WARN_ON(!ptk_pn)) | |
1492 | return; | |
1493 | ||
1494 | for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { | |
1495 | struct ieee80211_key_seq seq = {}; | |
1496 | int i; | |
1497 | ||
1498 | iwl_mvm_aes_sc_to_seq(&scs[tid], &seq); | |
1499 | ieee80211_set_key_rx_seq(key, tid, &seq); | |
1500 | for (i = 1; i < mvm->trans->num_rx_queues; i++) | |
1501 | memcpy(ptk_pn->q[i].pn[tid], | |
1502 | seq.ccmp.pn, IEEE80211_CCMP_PN_LEN); | |
1503 | } | |
1504 | } else { | |
1505 | for (tid = 0; tid < IWL_NUM_RSC; tid++) { | |
1506 | struct ieee80211_key_seq seq = {}; | |
1507 | ||
1508 | iwl_mvm_aes_sc_to_seq(&scs[tid], &seq); | |
1509 | ieee80211_set_key_rx_seq(key, tid, &seq); | |
1510 | } | |
6d9d32b8 JB |
1511 | } |
1512 | } | |
1513 | ||
1514 | static void iwl_mvm_set_tkip_rx_seq(struct tkip_sc *scs, | |
1515 | struct ieee80211_key_conf *key) | |
1516 | { | |
1517 | int tid; | |
1518 | ||
1519 | BUILD_BUG_ON(IWL_NUM_RSC != IEEE80211_NUM_TIDS); | |
1520 | ||
1521 | for (tid = 0; tid < IWL_NUM_RSC; tid++) { | |
1522 | struct ieee80211_key_seq seq = {}; | |
1523 | ||
1524 | iwl_mvm_tkip_sc_to_seq(&scs[tid], &seq); | |
1525 | ieee80211_set_key_rx_seq(key, tid, &seq); | |
1526 | } | |
1527 | } | |
1528 | ||
f5e28eac JB |
1529 | static void iwl_mvm_set_key_rx_seq(struct iwl_mvm *mvm, |
1530 | struct ieee80211_key_conf *key, | |
3afec639 | 1531 | struct iwl_wowlan_status *status) |
6d9d32b8 JB |
1532 | { |
1533 | union iwl_all_tsc_rsc *rsc = &status->gtk.rsc.all_tsc_rsc; | |
1534 | ||
1535 | switch (key->cipher) { | |
1536 | case WLAN_CIPHER_SUITE_CCMP: | |
f5e28eac | 1537 | iwl_mvm_set_aes_rx_seq(mvm, rsc->aes.multicast_rsc, NULL, key); |
6d9d32b8 JB |
1538 | break; |
1539 | case WLAN_CIPHER_SUITE_TKIP: | |
1540 | iwl_mvm_set_tkip_rx_seq(rsc->tkip.multicast_rsc, key); | |
1541 | break; | |
1542 | default: | |
1543 | WARN_ON(1); | |
1544 | } | |
1545 | } | |
1546 | ||
1547 | struct iwl_mvm_d3_gtk_iter_data { | |
f5e28eac | 1548 | struct iwl_mvm *mvm; |
3afec639 | 1549 | struct iwl_wowlan_status *status; |
6d9d32b8 JB |
1550 | void *last_gtk; |
1551 | u32 cipher; | |
1552 | bool find_phase, unhandled_cipher; | |
1553 | int num_keys; | |
1554 | }; | |
1555 | ||
59fd4bf6 | 1556 | static void iwl_mvm_d3_update_keys(struct ieee80211_hw *hw, |
6d9d32b8 JB |
1557 | struct ieee80211_vif *vif, |
1558 | struct ieee80211_sta *sta, | |
1559 | struct ieee80211_key_conf *key, | |
1560 | void *_data) | |
1561 | { | |
1562 | struct iwl_mvm_d3_gtk_iter_data *data = _data; | |
1563 | ||
1564 | if (data->unhandled_cipher) | |
1565 | return; | |
1566 | ||
1567 | switch (key->cipher) { | |
1568 | case WLAN_CIPHER_SUITE_WEP40: | |
1569 | case WLAN_CIPHER_SUITE_WEP104: | |
1570 | /* ignore WEP completely, nothing to do */ | |
1571 | return; | |
1572 | case WLAN_CIPHER_SUITE_CCMP: | |
1573 | case WLAN_CIPHER_SUITE_TKIP: | |
1574 | /* we support these */ | |
1575 | break; | |
1576 | default: | |
1577 | /* everything else (even CMAC for MFP) - disconnect from AP */ | |
1578 | data->unhandled_cipher = true; | |
1579 | return; | |
1580 | } | |
1581 | ||
1582 | data->num_keys++; | |
1583 | ||
1584 | /* | |
1585 | * pairwise key - update sequence counters only; | |
1586 | * note that this assumes no TDLS sessions are active | |
1587 | */ | |
1588 | if (sta) { | |
1589 | struct ieee80211_key_seq seq = {}; | |
1590 | union iwl_all_tsc_rsc *sc = &data->status->gtk.rsc.all_tsc_rsc; | |
1591 | ||
1592 | if (data->find_phase) | |
1593 | return; | |
1594 | ||
1595 | switch (key->cipher) { | |
1596 | case WLAN_CIPHER_SUITE_CCMP: | |
f5e28eac JB |
1597 | iwl_mvm_set_aes_rx_seq(data->mvm, sc->aes.unicast_rsc, |
1598 | sta, key); | |
6645d5e4 | 1599 | atomic64_set(&key->tx_pn, le64_to_cpu(sc->aes.tsc.pn)); |
6d9d32b8 JB |
1600 | break; |
1601 | case WLAN_CIPHER_SUITE_TKIP: | |
1602 | iwl_mvm_tkip_sc_to_seq(&sc->tkip.tsc, &seq); | |
1603 | iwl_mvm_set_tkip_rx_seq(sc->tkip.unicast_rsc, key); | |
6645d5e4 | 1604 | ieee80211_set_key_tx_seq(key, &seq); |
6d9d32b8 JB |
1605 | break; |
1606 | } | |
6d9d32b8 JB |
1607 | |
1608 | /* that's it for this key */ | |
1609 | return; | |
1610 | } | |
1611 | ||
1612 | if (data->find_phase) { | |
1613 | data->last_gtk = key; | |
1614 | data->cipher = key->cipher; | |
1615 | return; | |
1616 | } | |
1617 | ||
1618 | if (data->status->num_of_gtk_rekeys) | |
1619 | ieee80211_remove_key(key); | |
1620 | else if (data->last_gtk == key) | |
f5e28eac | 1621 | iwl_mvm_set_key_rx_seq(data->mvm, key, data->status); |
6d9d32b8 JB |
1622 | } |
1623 | ||
1624 | static bool iwl_mvm_setup_connection_keep(struct iwl_mvm *mvm, | |
1625 | struct ieee80211_vif *vif, | |
3afec639 | 1626 | struct iwl_wowlan_status *status) |
6d9d32b8 JB |
1627 | { |
1628 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1629 | struct iwl_mvm_d3_gtk_iter_data gtkdata = { | |
f5e28eac | 1630 | .mvm = mvm, |
6d9d32b8 JB |
1631 | .status = status, |
1632 | }; | |
431591cc EP |
1633 | u32 disconnection_reasons = |
1634 | IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON | | |
1635 | IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH; | |
6d9d32b8 JB |
1636 | |
1637 | if (!status || !vif->bss_conf.bssid) | |
1638 | return false; | |
1639 | ||
431591cc EP |
1640 | if (le32_to_cpu(status->wakeup_reasons) & disconnection_reasons) |
1641 | return false; | |
1642 | ||
6d9d32b8 JB |
1643 | /* find last GTK that we used initially, if any */ |
1644 | gtkdata.find_phase = true; | |
1645 | ieee80211_iter_keys(mvm->hw, vif, | |
59fd4bf6 | 1646 | iwl_mvm_d3_update_keys, >kdata); |
6d9d32b8 JB |
1647 | /* not trying to keep connections with MFP/unhandled ciphers */ |
1648 | if (gtkdata.unhandled_cipher) | |
1649 | return false; | |
1650 | if (!gtkdata.num_keys) | |
cfa88893 | 1651 | goto out; |
6d9d32b8 JB |
1652 | if (!gtkdata.last_gtk) |
1653 | return false; | |
1654 | ||
1655 | /* | |
1656 | * invalidate all other GTKs that might still exist and update | |
1657 | * the one that we used | |
1658 | */ | |
1659 | gtkdata.find_phase = false; | |
1660 | ieee80211_iter_keys(mvm->hw, vif, | |
59fd4bf6 | 1661 | iwl_mvm_d3_update_keys, >kdata); |
6d9d32b8 JB |
1662 | |
1663 | if (status->num_of_gtk_rekeys) { | |
1664 | struct ieee80211_key_conf *key; | |
1665 | struct { | |
1666 | struct ieee80211_key_conf conf; | |
1667 | u8 key[32]; | |
1668 | } conf = { | |
1669 | .conf.cipher = gtkdata.cipher, | |
1670 | .conf.keyidx = status->gtk.key_index, | |
1671 | }; | |
1672 | ||
1673 | switch (gtkdata.cipher) { | |
1674 | case WLAN_CIPHER_SUITE_CCMP: | |
1675 | conf.conf.keylen = WLAN_KEY_LEN_CCMP; | |
1676 | memcpy(conf.conf.key, status->gtk.decrypt_key, | |
1677 | WLAN_KEY_LEN_CCMP); | |
1678 | break; | |
1679 | case WLAN_CIPHER_SUITE_TKIP: | |
1680 | conf.conf.keylen = WLAN_KEY_LEN_TKIP; | |
1681 | memcpy(conf.conf.key, status->gtk.decrypt_key, 16); | |
1682 | /* leave TX MIC key zeroed, we don't use it anyway */ | |
1683 | memcpy(conf.conf.key + | |
1684 | NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY, | |
1685 | status->gtk.tkip_mic_key, 8); | |
1686 | break; | |
1687 | } | |
1688 | ||
1689 | key = ieee80211_gtk_rekey_add(vif, &conf.conf); | |
1690 | if (IS_ERR(key)) | |
1691 | return false; | |
f5e28eac | 1692 | iwl_mvm_set_key_rx_seq(mvm, key, status); |
6d9d32b8 JB |
1693 | } |
1694 | ||
1695 | if (status->num_of_gtk_rekeys) { | |
1696 | __be64 replay_ctr = | |
1697 | cpu_to_be64(le64_to_cpu(status->replay_ctr)); | |
1698 | ieee80211_gtk_rekey_notify(vif, vif->bss_conf.bssid, | |
1699 | (void *)&replay_ctr, GFP_KERNEL); | |
1700 | } | |
1701 | ||
cfa88893 | 1702 | out: |
6d9d32b8 JB |
1703 | mvmvif->seqno_valid = true; |
1704 | /* +0x10 because the set API expects next-to-use, not last-used */ | |
1705 | mvmvif->seqno = le16_to_cpu(status->non_qos_seq_ctr) + 0x10; | |
1706 | ||
1707 | return true; | |
1708 | } | |
1709 | ||
ec12f457 LC |
1710 | static struct iwl_wowlan_status * |
1711 | iwl_mvm_get_wakeup_status(struct iwl_mvm *mvm, struct ieee80211_vif *vif) | |
7abc4632 JB |
1712 | { |
1713 | u32 base = mvm->error_event_table; | |
1714 | struct error_table_start { | |
1715 | /* cf. struct iwl_error_event_table */ | |
1716 | u32 valid; | |
1717 | u32 error_id; | |
1718 | } err_info; | |
1719 | struct iwl_host_cmd cmd = { | |
1720 | .id = WOWLAN_GET_STATUSES, | |
a1022927 | 1721 | .flags = CMD_WANT_SKB, |
7abc4632 | 1722 | }; |
ec12f457 LC |
1723 | struct iwl_wowlan_status *status, *fw_status; |
1724 | int ret, len, status_size; | |
7abc4632 JB |
1725 | |
1726 | iwl_trans_read_mem_bytes(mvm->trans, base, | |
1727 | &err_info, sizeof(err_info)); | |
1728 | ||
1729 | if (err_info.valid) { | |
ec12f457 LC |
1730 | IWL_INFO(mvm, "error table is valid (%d) with error (%d)\n", |
1731 | err_info.valid, err_info.error_id); | |
7abc4632 JB |
1732 | if (err_info.error_id == RF_KILL_INDICATOR_FOR_WOWLAN) { |
1733 | struct cfg80211_wowlan_wakeup wakeup = { | |
1734 | .rfkill_release = true, | |
1735 | }; | |
1736 | ieee80211_report_wowlan_wakeup(vif, &wakeup, | |
1737 | GFP_KERNEL); | |
1738 | } | |
ec12f457 | 1739 | return ERR_PTR(-EIO); |
7abc4632 JB |
1740 | } |
1741 | ||
1742 | /* only for tracing for now */ | |
a1022927 | 1743 | ret = iwl_mvm_send_cmd_pdu(mvm, OFFLOADS_QUERY_CMD, 0, 0, NULL); |
7abc4632 JB |
1744 | if (ret) |
1745 | IWL_ERR(mvm, "failed to query offload statistics (%d)\n", ret); | |
1746 | ||
1747 | ret = iwl_mvm_send_cmd(mvm, &cmd); | |
1748 | if (ret) { | |
1749 | IWL_ERR(mvm, "failed to query status (%d)\n", ret); | |
ec12f457 | 1750 | return ERR_PTR(ret); |
7abc4632 JB |
1751 | } |
1752 | ||
1753 | /* RF-kill already asserted again... */ | |
ec12f457 | 1754 | if (!cmd.resp_pkt) { |
e111e968 | 1755 | fw_status = ERR_PTR(-ERFKILL); |
ec12f457 LC |
1756 | goto out_free_resp; |
1757 | } | |
7abc4632 | 1758 | |
3afec639 | 1759 | status_size = sizeof(*fw_status); |
6d9d32b8 | 1760 | |
65b30348 JB |
1761 | len = iwl_rx_packet_payload_len(cmd.resp_pkt); |
1762 | if (len < status_size) { | |
7abc4632 | 1763 | IWL_ERR(mvm, "Invalid WoWLAN status response!\n"); |
e111e968 | 1764 | fw_status = ERR_PTR(-EIO); |
ec12f457 LC |
1765 | goto out_free_resp; |
1766 | } | |
1767 | ||
1768 | status = (void *)cmd.resp_pkt->data; | |
1769 | if (len != (status_size + | |
1770 | ALIGN(le32_to_cpu(status->wake_packet_bufsize), 4))) { | |
1771 | IWL_ERR(mvm, "Invalid WoWLAN status response!\n"); | |
e111e968 | 1772 | fw_status = ERR_PTR(-EIO); |
7abc4632 JB |
1773 | goto out_free_resp; |
1774 | } | |
1775 | ||
ec12f457 LC |
1776 | fw_status = kmemdup(status, len, GFP_KERNEL); |
1777 | ||
1778 | out_free_resp: | |
1779 | iwl_free_resp(&cmd); | |
e111e968 | 1780 | return fw_status; |
ec12f457 LC |
1781 | } |
1782 | ||
1783 | /* releases the MVM mutex */ | |
1784 | static bool iwl_mvm_query_wakeup_reasons(struct iwl_mvm *mvm, | |
1785 | struct ieee80211_vif *vif) | |
1786 | { | |
1787 | struct iwl_wowlan_status_data status; | |
1788 | struct iwl_wowlan_status *fw_status; | |
1789 | int i; | |
1790 | bool keep; | |
1791 | struct ieee80211_sta *ap_sta; | |
1792 | struct iwl_mvm_sta *mvm_ap_sta; | |
1793 | ||
1794 | fw_status = iwl_mvm_get_wakeup_status(mvm, vif); | |
1795 | if (IS_ERR_OR_NULL(fw_status)) | |
1796 | goto out_unlock; | |
3afec639 EG |
1797 | |
1798 | status.pattern_number = le16_to_cpu(fw_status->pattern_number); | |
1799 | for (i = 0; i < 8; i++) | |
1800 | status.qos_seq_ctr[i] = | |
1801 | le16_to_cpu(fw_status->qos_seq_ctr[i]); | |
1802 | status.wakeup_reasons = le32_to_cpu(fw_status->wakeup_reasons); | |
1803 | status.wake_packet_length = | |
1804 | le32_to_cpu(fw_status->wake_packet_length); | |
1805 | status.wake_packet_bufsize = | |
1806 | le32_to_cpu(fw_status->wake_packet_bufsize); | |
1807 | status.wake_packet = fw_status->wake_packet; | |
7abc4632 | 1808 | |
6d9d32b8 JB |
1809 | /* still at hard-coded place 0 for D3 image */ |
1810 | ap_sta = rcu_dereference_protected( | |
1811 | mvm->fw_id_to_mac_id[0], | |
1812 | lockdep_is_held(&mvm->mutex)); | |
1813 | if (IS_ERR_OR_NULL(ap_sta)) | |
ec12f457 | 1814 | goto out_free; |
6d9d32b8 | 1815 | |
9d8ce6af | 1816 | mvm_ap_sta = iwl_mvm_sta_from_mac80211(ap_sta); |
6d9d32b8 JB |
1817 | for (i = 0; i < IWL_MAX_TID_COUNT; i++) { |
1818 | u16 seq = status.qos_seq_ctr[i]; | |
1819 | /* firmware stores last-used value, we store next value */ | |
1820 | seq += 0x10; | |
1821 | mvm_ap_sta->tid_data[i].seq_number = seq; | |
1822 | } | |
1823 | ||
7abc4632 JB |
1824 | /* now we have all the data we need, unlock to avoid mac80211 issues */ |
1825 | mutex_unlock(&mvm->mutex); | |
1826 | ||
6d9d32b8 JB |
1827 | iwl_mvm_report_wakeup_reasons(mvm, vif, &status); |
1828 | ||
3afec639 | 1829 | keep = iwl_mvm_setup_connection_keep(mvm, vif, fw_status); |
6d9d32b8 | 1830 | |
ec12f457 | 1831 | kfree(fw_status); |
6d9d32b8 | 1832 | return keep; |
7abc4632 | 1833 | |
ec12f457 LC |
1834 | out_free: |
1835 | kfree(fw_status); | |
1836 | out_unlock: | |
7abc4632 | 1837 | mutex_unlock(&mvm->mutex); |
6d9d32b8 | 1838 | return false; |
9b26b500 JB |
1839 | } |
1840 | ||
a3f7ba5c EP |
1841 | void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm, |
1842 | struct ieee80211_vif *vif, | |
1843 | struct iwl_wowlan_status *status) | |
1844 | { | |
1845 | struct iwl_mvm_d3_gtk_iter_data gtkdata = { | |
0eb1c968 | 1846 | .mvm = mvm, |
a3f7ba5c EP |
1847 | .status = status, |
1848 | }; | |
1849 | ||
1850 | /* | |
1851 | * rekey handling requires taking locks that can't be taken now. | |
1852 | * however, d0i3 doesn't offload rekey, so we're fine. | |
1853 | */ | |
1854 | if (WARN_ON_ONCE(status->num_of_gtk_rekeys)) | |
1855 | return; | |
1856 | ||
1857 | /* find last GTK that we used initially, if any */ | |
1858 | gtkdata.find_phase = true; | |
1859 | iwl_mvm_iter_d0i3_ap_keys(mvm, vif, iwl_mvm_d3_update_keys, >kdata); | |
1860 | ||
1861 | gtkdata.find_phase = false; | |
1862 | iwl_mvm_iter_d0i3_ap_keys(mvm, vif, iwl_mvm_d3_update_keys, >kdata); | |
1863 | } | |
1864 | ||
8ed4e659 LC |
1865 | struct iwl_mvm_nd_query_results { |
1866 | u32 matched_profiles; | |
1867 | struct iwl_scan_offload_profile_match matches[IWL_SCAN_MAX_PROFILES]; | |
1868 | }; | |
1869 | ||
1870 | static int | |
1871 | iwl_mvm_netdetect_query_results(struct iwl_mvm *mvm, | |
1872 | struct iwl_mvm_nd_query_results *results) | |
b04998f3 LC |
1873 | { |
1874 | struct iwl_scan_offload_profiles_query *query; | |
1875 | struct iwl_host_cmd cmd = { | |
1876 | .id = SCAN_OFFLOAD_PROFILES_QUERY_CMD, | |
1877 | .flags = CMD_WANT_SKB, | |
1878 | }; | |
1879 | int ret, len; | |
1880 | ||
1881 | ret = iwl_mvm_send_cmd(mvm, &cmd); | |
1882 | if (ret) { | |
1883 | IWL_ERR(mvm, "failed to query matched profiles (%d)\n", ret); | |
8ed4e659 | 1884 | return ret; |
b04998f3 LC |
1885 | } |
1886 | ||
1887 | /* RF-kill already asserted again... */ | |
8ed4e659 LC |
1888 | if (!cmd.resp_pkt) { |
1889 | ret = -ERFKILL; | |
b04998f3 | 1890 | goto out_free_resp; |
8ed4e659 | 1891 | } |
b04998f3 LC |
1892 | |
1893 | len = iwl_rx_packet_payload_len(cmd.resp_pkt); | |
1894 | if (len < sizeof(*query)) { | |
1895 | IWL_ERR(mvm, "Invalid scan offload profiles query response!\n"); | |
8ed4e659 | 1896 | ret = -EIO; |
b04998f3 LC |
1897 | goto out_free_resp; |
1898 | } | |
1899 | ||
1900 | query = (void *)cmd.resp_pkt->data; | |
1901 | ||
8ed4e659 LC |
1902 | results->matched_profiles = le32_to_cpu(query->matched_profiles); |
1903 | memcpy(results->matches, query->matches, sizeof(results->matches)); | |
b04998f3 | 1904 | |
6bbd5521 | 1905 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
484b3d13 LC |
1906 | mvm->last_netdetect_scans = le32_to_cpu(query->n_scans_done); |
1907 | #endif | |
1908 | ||
b04998f3 LC |
1909 | out_free_resp: |
1910 | iwl_free_resp(&cmd); | |
1911 | return ret; | |
1912 | } | |
1913 | ||
2021a89d LC |
1914 | static void iwl_mvm_query_netdetect_reasons(struct iwl_mvm *mvm, |
1915 | struct ieee80211_vif *vif) | |
1916 | { | |
d9718da8 | 1917 | struct cfg80211_wowlan_nd_info *net_detect = NULL; |
2021a89d LC |
1918 | struct cfg80211_wowlan_wakeup wakeup = { |
1919 | .pattern_idx = -1, | |
1920 | }; | |
1921 | struct cfg80211_wowlan_wakeup *wakeup_report = &wakeup; | |
8ed4e659 | 1922 | struct iwl_mvm_nd_query_results query; |
2021a89d | 1923 | struct iwl_wowlan_status *fw_status; |
d9718da8 | 1924 | unsigned long matched_profiles; |
2021a89d | 1925 | u32 reasons = 0; |
8ed4e659 | 1926 | int i, j, n_matches, ret; |
2021a89d LC |
1927 | |
1928 | fw_status = iwl_mvm_get_wakeup_status(mvm, vif); | |
2fc863a5 | 1929 | if (!IS_ERR_OR_NULL(fw_status)) { |
2021a89d | 1930 | reasons = le32_to_cpu(fw_status->wakeup_reasons); |
2fc863a5 HD |
1931 | kfree(fw_status); |
1932 | } | |
2021a89d LC |
1933 | |
1934 | if (reasons & IWL_WOWLAN_WAKEUP_BY_RFKILL_DEASSERTED) | |
1935 | wakeup.rfkill_release = true; | |
1936 | ||
b04998f3 LC |
1937 | if (reasons != IWL_WOWLAN_WAKEUP_BY_NON_WIRELESS) |
1938 | goto out; | |
1939 | ||
8ed4e659 LC |
1940 | ret = iwl_mvm_netdetect_query_results(mvm, &query); |
1941 | if (ret || !query.matched_profiles) { | |
2021a89d | 1942 | wakeup_report = NULL; |
b04998f3 | 1943 | goto out; |
2021a89d LC |
1944 | } |
1945 | ||
8ed4e659 | 1946 | matched_profiles = query.matched_profiles; |
d9718da8 LC |
1947 | if (mvm->n_nd_match_sets) { |
1948 | n_matches = hweight_long(matched_profiles); | |
1949 | } else { | |
1950 | IWL_ERR(mvm, "no net detect match information available\n"); | |
1951 | n_matches = 0; | |
1952 | } | |
1953 | ||
1954 | net_detect = kzalloc(sizeof(*net_detect) + | |
1955 | (n_matches * sizeof(net_detect->matches[0])), | |
1956 | GFP_KERNEL); | |
1957 | if (!net_detect || !n_matches) | |
1958 | goto out_report_nd; | |
1959 | ||
1960 | for_each_set_bit(i, &matched_profiles, mvm->n_nd_match_sets) { | |
8ed4e659 | 1961 | struct iwl_scan_offload_profile_match *fw_match; |
d9718da8 | 1962 | struct cfg80211_wowlan_nd_match *match; |
ae90c2e5 | 1963 | int idx, n_channels = 0; |
8ed4e659 LC |
1964 | |
1965 | fw_match = &query.matches[i]; | |
1966 | ||
1967 | for (j = 0; j < SCAN_OFFLOAD_MATCHING_CHANNELS_LEN; j++) | |
1968 | n_channels += hweight8(fw_match->matching_channels[j]); | |
d9718da8 | 1969 | |
8ed4e659 LC |
1970 | match = kzalloc(sizeof(*match) + |
1971 | (n_channels * sizeof(*match->channels)), | |
1972 | GFP_KERNEL); | |
d9718da8 LC |
1973 | if (!match) |
1974 | goto out_report_nd; | |
1975 | ||
8ed4e659 LC |
1976 | net_detect->matches[net_detect->n_matches++] = match; |
1977 | ||
ae90c2e5 LC |
1978 | /* We inverted the order of the SSIDs in the scan |
1979 | * request, so invert the index here. | |
1980 | */ | |
1981 | idx = mvm->n_nd_match_sets - i - 1; | |
1982 | match->ssid.ssid_len = mvm->nd_match_sets[idx].ssid.ssid_len; | |
1983 | memcpy(match->ssid.ssid, mvm->nd_match_sets[idx].ssid.ssid, | |
d9718da8 LC |
1984 | match->ssid.ssid_len); |
1985 | ||
8ed4e659 LC |
1986 | if (mvm->n_nd_channels < n_channels) |
1987 | continue; | |
1988 | ||
1989 | for (j = 0; j < SCAN_OFFLOAD_MATCHING_CHANNELS_LEN * 8; j++) | |
1990 | if (fw_match->matching_channels[j / 8] & (BIT(j % 8))) | |
1991 | match->channels[match->n_channels++] = | |
1992 | mvm->nd_channels[j]->center_freq; | |
d9718da8 LC |
1993 | } |
1994 | ||
1995 | out_report_nd: | |
1996 | wakeup.net_detect = net_detect; | |
b04998f3 | 1997 | out: |
d9718da8 LC |
1998 | iwl_mvm_free_nd(mvm); |
1999 | ||
2021a89d LC |
2000 | mutex_unlock(&mvm->mutex); |
2001 | ieee80211_report_wowlan_wakeup(vif, wakeup_report, GFP_KERNEL); | |
d9718da8 LC |
2002 | |
2003 | if (net_detect) { | |
2004 | for (i = 0; i < net_detect->n_matches; i++) | |
2005 | kfree(net_detect->matches[i]); | |
2006 | kfree(net_detect); | |
2007 | } | |
2021a89d LC |
2008 | } |
2009 | ||
afc66bb7 JB |
2010 | static void iwl_mvm_read_d3_sram(struct iwl_mvm *mvm) |
2011 | { | |
2012 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
2013 | const struct fw_img *img = &mvm->fw->img[IWL_UCODE_WOWLAN]; | |
2014 | u32 len = img->sec[IWL_UCODE_SECTION_DATA].len; | |
2015 | u32 offs = img->sec[IWL_UCODE_SECTION_DATA].offset; | |
2016 | ||
2017 | if (!mvm->store_d3_resume_sram) | |
2018 | return; | |
2019 | ||
2020 | if (!mvm->d3_resume_sram) { | |
2021 | mvm->d3_resume_sram = kzalloc(len, GFP_KERNEL); | |
2022 | if (!mvm->d3_resume_sram) | |
2023 | return; | |
2024 | } | |
2025 | ||
2026 | iwl_trans_read_mem_bytes(mvm->trans, offs, mvm->d3_resume_sram, len); | |
2027 | #endif | |
2028 | } | |
2029 | ||
6d9d32b8 JB |
2030 | static void iwl_mvm_d3_disconnect_iter(void *data, u8 *mac, |
2031 | struct ieee80211_vif *vif) | |
2032 | { | |
2033 | /* skip the one we keep connection on */ | |
2034 | if (data == vif) | |
2035 | return; | |
2036 | ||
2037 | if (vif->type == NL80211_IFTYPE_STATION) | |
2038 | ieee80211_resume_disconnect(vif); | |
2039 | } | |
2040 | ||
debff618 | 2041 | static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test) |
8ca151b5 | 2042 | { |
8ca151b5 | 2043 | struct ieee80211_vif *vif = NULL; |
8ca151b5 JB |
2044 | int ret; |
2045 | enum iwl_d3_status d3_status; | |
6d9d32b8 | 2046 | bool keep = false; |
8ca151b5 JB |
2047 | |
2048 | mutex_lock(&mvm->mutex); | |
2049 | ||
2050 | /* get the BSS vif pointer again */ | |
7f549e2c LC |
2051 | vif = iwl_mvm_get_bss_vif(mvm); |
2052 | if (IS_ERR_OR_NULL(vif)) | |
a500e469 | 2053 | goto err; |
8ca151b5 | 2054 | |
debff618 | 2055 | ret = iwl_trans_d3_resume(mvm->trans, &d3_status, test); |
8ca151b5 | 2056 | if (ret) |
a500e469 | 2057 | goto err; |
8ca151b5 JB |
2058 | |
2059 | if (d3_status != IWL_D3_STATUS_ALIVE) { | |
2060 | IWL_INFO(mvm, "Device was reset during suspend\n"); | |
a500e469 | 2061 | goto err; |
8ca151b5 JB |
2062 | } |
2063 | ||
afc66bb7 JB |
2064 | /* query SRAM first in case we want event logging */ |
2065 | iwl_mvm_read_d3_sram(mvm); | |
2066 | ||
47c8b154 JD |
2067 | /* |
2068 | * Query the current location and source from the D3 firmware so we | |
2069 | * can play it back when we re-intiailize the D0 firmware | |
2070 | */ | |
2071 | iwl_mvm_update_changed_regdom(mvm); | |
2072 | ||
2021a89d LC |
2073 | if (mvm->net_detect) { |
2074 | iwl_mvm_query_netdetect_reasons(mvm, vif); | |
e0ede177 LC |
2075 | /* has unlocked the mutex, so skip that */ |
2076 | goto out; | |
2021a89d LC |
2077 | } else { |
2078 | keep = iwl_mvm_query_wakeup_reasons(mvm, vif); | |
78c9df66 | 2079 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
2021a89d LC |
2080 | if (keep) |
2081 | mvm->keep_vif = vif; | |
0c2ae049 | 2082 | #endif |
e0ede177 LC |
2083 | /* has unlocked the mutex, so skip that */ |
2084 | goto out_iterate; | |
2021a89d | 2085 | } |
8ca151b5 | 2086 | |
a500e469 LC |
2087 | err: |
2088 | iwl_mvm_free_nd(mvm); | |
8ca151b5 JB |
2089 | mutex_unlock(&mvm->mutex); |
2090 | ||
e0ede177 | 2091 | out_iterate: |
6d9d32b8 JB |
2092 | if (!test) |
2093 | ieee80211_iterate_active_interfaces_rtnl(mvm->hw, | |
2094 | IEEE80211_IFACE_ITER_NORMAL, | |
2095 | iwl_mvm_d3_disconnect_iter, keep ? vif : NULL); | |
8ca151b5 | 2096 | |
e0ede177 | 2097 | out: |
8ca151b5 JB |
2098 | /* return 1 to reconfigure the device */ |
2099 | set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); | |
58629d9d | 2100 | set_bit(IWL_MVM_STATUS_D3_RECONFIG, &mvm->status); |
dcfc7fb1 LC |
2101 | |
2102 | /* We always return 1, which causes mac80211 to do a reconfig | |
2103 | * with IEEE80211_RECONFIG_TYPE_RESTART. This type of | |
2104 | * reconfig calls iwl_mvm_restart_complete(), where we unref | |
2105 | * the IWL_MVM_REF_UCODE_DOWN, so we need to take the | |
2106 | * reference here. | |
2107 | */ | |
2108 | iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); | |
8ca151b5 JB |
2109 | return 1; |
2110 | } | |
2111 | ||
2d42801b | 2112 | static int iwl_mvm_resume_d3(struct iwl_mvm *mvm) |
debff618 | 2113 | { |
2d42801b EP |
2114 | iwl_trans_resume(mvm->trans); |
2115 | ||
2116 | return __iwl_mvm_resume(mvm, false); | |
2117 | } | |
2118 | ||
2119 | static int iwl_mvm_resume_d0i3(struct iwl_mvm *mvm) | |
2120 | { | |
2121 | bool exit_now; | |
6dfb36c8 | 2122 | enum iwl_d3_status d3_status; |
b7282643 | 2123 | struct iwl_trans *trans = mvm->trans; |
6dfb36c8 | 2124 | |
b7282643 | 2125 | iwl_trans_d3_resume(trans, &d3_status, false); |
2d42801b EP |
2126 | |
2127 | /* | |
2128 | * make sure to clear D0I3_DEFER_WAKEUP before | |
2129 | * calling iwl_trans_resume(), which might wait | |
2130 | * for d0i3 exit completion. | |
2131 | */ | |
2132 | mutex_lock(&mvm->d0i3_suspend_mutex); | |
2133 | __clear_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags); | |
2134 | exit_now = __test_and_clear_bit(D0I3_PENDING_WAKEUP, | |
2135 | &mvm->d0i3_suspend_flags); | |
2136 | mutex_unlock(&mvm->d0i3_suspend_mutex); | |
2137 | if (exit_now) { | |
2138 | IWL_DEBUG_RPM(mvm, "Run deferred d0i3 exit\n"); | |
2139 | _iwl_mvm_exit_d0i3(mvm); | |
2140 | } | |
debff618 | 2141 | |
b7282643 | 2142 | iwl_trans_resume(trans); |
465921c8 | 2143 | |
b7282643 | 2144 | if (iwl_mvm_enter_d0i3_on_suspend(mvm)) { |
2d42801b | 2145 | int ret = iwl_mvm_exit_d0i3(mvm->hw->priv); |
6735943f | 2146 | |
2d42801b EP |
2147 | if (ret) |
2148 | return ret; | |
2149 | /* | |
2150 | * d0i3 exit will be deferred until reconfig_complete. | |
2151 | * make sure there we are out of d0i3. | |
2152 | */ | |
91742449 | 2153 | } |
2d42801b EP |
2154 | return 0; |
2155 | } | |
d15a747f | 2156 | |
2d42801b EP |
2157 | int iwl_mvm_resume(struct ieee80211_hw *hw) |
2158 | { | |
2159 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
b7282643 | 2160 | int ret; |
2d42801b | 2161 | |
b7282643 LC |
2162 | if (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3) |
2163 | ret = iwl_mvm_resume_d0i3(mvm); | |
2d42801b | 2164 | else |
b7282643 LC |
2165 | ret = iwl_mvm_resume_d3(mvm); |
2166 | ||
2167 | mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_DISABLED; | |
2168 | ||
2169 | return ret; | |
debff618 JB |
2170 | } |
2171 | ||
8ca151b5 JB |
2172 | void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled) |
2173 | { | |
2174 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
2175 | ||
2176 | device_set_wakeup_enable(mvm->trans->dev, enabled); | |
2177 | } | |
debff618 JB |
2178 | |
2179 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
2180 | static int iwl_mvm_d3_test_open(struct inode *inode, struct file *file) | |
2181 | { | |
2182 | struct iwl_mvm *mvm = inode->i_private; | |
2183 | int err; | |
2184 | ||
2185 | if (mvm->d3_test_active) | |
2186 | return -EBUSY; | |
2187 | ||
2188 | file->private_data = inode->i_private; | |
2189 | ||
2190 | ieee80211_stop_queues(mvm->hw); | |
2191 | synchronize_net(); | |
2192 | ||
b7282643 LC |
2193 | mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_D3; |
2194 | ||
debff618 JB |
2195 | /* start pseudo D3 */ |
2196 | rtnl_lock(); | |
2197 | err = __iwl_mvm_suspend(mvm->hw, mvm->hw->wiphy->wowlan_config, true); | |
2198 | rtnl_unlock(); | |
2199 | if (err > 0) | |
2200 | err = -EINVAL; | |
2201 | if (err) { | |
2202 | ieee80211_wake_queues(mvm->hw); | |
2203 | return err; | |
2204 | } | |
2205 | mvm->d3_test_active = true; | |
78c9df66 | 2206 | mvm->keep_vif = NULL; |
debff618 JB |
2207 | return 0; |
2208 | } | |
2209 | ||
2210 | static ssize_t iwl_mvm_d3_test_read(struct file *file, char __user *user_buf, | |
2211 | size_t count, loff_t *ppos) | |
2212 | { | |
2213 | struct iwl_mvm *mvm = file->private_data; | |
2214 | u32 pme_asserted; | |
2215 | ||
2216 | while (true) { | |
4ed80a86 EP |
2217 | /* read pme_ptr if available */ |
2218 | if (mvm->d3_test_pme_ptr) { | |
2219 | pme_asserted = iwl_trans_read_mem32(mvm->trans, | |
2220 | mvm->d3_test_pme_ptr); | |
2221 | if (pme_asserted) | |
2222 | break; | |
2223 | } | |
2224 | ||
debff618 JB |
2225 | if (msleep_interruptible(100)) |
2226 | break; | |
2227 | } | |
2228 | ||
2229 | return 0; | |
2230 | } | |
2231 | ||
2232 | static void iwl_mvm_d3_test_disconn_work_iter(void *_data, u8 *mac, | |
2233 | struct ieee80211_vif *vif) | |
2234 | { | |
78c9df66 EP |
2235 | /* skip the one we keep connection on */ |
2236 | if (_data == vif) | |
2237 | return; | |
2238 | ||
debff618 JB |
2239 | if (vif->type == NL80211_IFTYPE_STATION) |
2240 | ieee80211_connection_loss(vif); | |
2241 | } | |
2242 | ||
2243 | static int iwl_mvm_d3_test_release(struct inode *inode, struct file *file) | |
2244 | { | |
2245 | struct iwl_mvm *mvm = inode->i_private; | |
2246 | int remaining_time = 10; | |
2247 | ||
2248 | mvm->d3_test_active = false; | |
b7282643 | 2249 | |
31ca09dd | 2250 | rtnl_lock(); |
debff618 | 2251 | __iwl_mvm_resume(mvm, true); |
31ca09dd | 2252 | rtnl_unlock(); |
b7282643 LC |
2253 | |
2254 | mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_DISABLED; | |
2255 | ||
debff618 JB |
2256 | iwl_abort_notification_waits(&mvm->notif_wait); |
2257 | ieee80211_restart_hw(mvm->hw); | |
2258 | ||
2259 | /* wait for restart and disconnect all interfaces */ | |
2260 | while (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && | |
2261 | remaining_time > 0) { | |
2262 | remaining_time--; | |
2263 | msleep(1000); | |
2264 | } | |
2265 | ||
2266 | if (remaining_time == 0) | |
2267 | IWL_ERR(mvm, "Timed out waiting for HW restart to finish!\n"); | |
2268 | ||
2269 | ieee80211_iterate_active_interfaces_atomic( | |
2270 | mvm->hw, IEEE80211_IFACE_ITER_NORMAL, | |
78c9df66 | 2271 | iwl_mvm_d3_test_disconn_work_iter, mvm->keep_vif); |
debff618 JB |
2272 | |
2273 | ieee80211_wake_queues(mvm->hw); | |
2274 | ||
2275 | return 0; | |
2276 | } | |
2277 | ||
2278 | const struct file_operations iwl_dbgfs_d3_test_ops = { | |
2279 | .llseek = no_llseek, | |
2280 | .open = iwl_mvm_d3_test_open, | |
2281 | .read = iwl_mvm_d3_test_read, | |
2282 | .release = iwl_mvm_d3_test_release, | |
2283 | }; | |
2284 | #endif |