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8e99ea8d JB |
1 | // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause |
2 | /* | |
091296d3 | 3 | * Copyright (C) 2012-2014, 2018-2022 Intel Corporation |
8e99ea8d JB |
4 | * Copyright (C) 2013-2015 Intel Mobile Communications GmbH |
5 | * Copyright (C) 2016-2017 Intel Deutschland GmbH | |
6 | */ | |
8ca151b5 JB |
7 | #include <linux/kernel.h> |
8 | #include <linux/slab.h> | |
9 | #include <linux/skbuff.h> | |
10 | #include <linux/netdevice.h> | |
11 | #include <linux/etherdevice.h> | |
f0c2646a | 12 | #include <linux/ip.h> |
2ee8f021 | 13 | #include <linux/if_arp.h> |
2f89a5d7 | 14 | #include <linux/time.h> |
8ca151b5 | 15 | #include <net/mac80211.h> |
7b1dd048 | 16 | #include <net/ieee80211_radiotap.h> |
f0c2646a | 17 | #include <net/tcp.h> |
8ca151b5 | 18 | |
5283dd67 | 19 | #include "iwl-drv.h" |
8ca151b5 JB |
20 | #include "iwl-op-mode.h" |
21 | #include "iwl-io.h" | |
22 | #include "mvm.h" | |
23 | #include "sta.h" | |
24 | #include "time-event.h" | |
25 | #include "iwl-eeprom-parse.h" | |
8ca151b5 | 26 | #include "iwl-phy-db.h" |
507cadf2 | 27 | #include "testmode.h" |
d962f9b1 | 28 | #include "fw/error-dump.h" |
655e6d6d | 29 | #include "iwl-prph.h" |
88931cc9 | 30 | #include "iwl-nvm-parse.h" |
cf85123a | 31 | #include "time-sync.h" |
8ca151b5 JB |
32 | |
33 | static const struct ieee80211_iface_limit iwl_mvm_limits[] = { | |
34 | { | |
35 | .max = 1, | |
8eb38710 | 36 | .types = BIT(NL80211_IFTYPE_STATION), |
8ca151b5 | 37 | }, |
3c15a0fb JB |
38 | { |
39 | .max = 1, | |
8eb38710 IP |
40 | .types = BIT(NL80211_IFTYPE_AP) | |
41 | BIT(NL80211_IFTYPE_P2P_CLIENT) | | |
3c15a0fb JB |
42 | BIT(NL80211_IFTYPE_P2P_GO), |
43 | }, | |
44 | { | |
45 | .max = 1, | |
46 | .types = BIT(NL80211_IFTYPE_P2P_DEVICE), | |
47 | }, | |
8ca151b5 JB |
48 | }; |
49 | ||
50 | static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = { | |
51 | { | |
2624a5ca | 52 | .num_different_channels = 2, |
8ca151b5 JB |
53 | .max_interfaces = 3, |
54 | .limits = iwl_mvm_limits, | |
55 | .n_limits = ARRAY_SIZE(iwl_mvm_limits), | |
56 | }, | |
57 | }; | |
58 | ||
fc36ffda JB |
59 | static const struct cfg80211_pmsr_capabilities iwl_mvm_pmsr_capa = { |
60 | .max_peers = IWL_MVM_TOF_MAX_APS, | |
61 | .report_ap_tsf = 1, | |
62 | .randomize_mac_addr = 1, | |
63 | ||
64 | .ftm = { | |
65 | .supported = 1, | |
66 | .asap = 1, | |
67 | .non_asap = 1, | |
68 | .request_lci = 1, | |
69 | .request_civicloc = 1, | |
6815e3d0 AS |
70 | .trigger_based = 1, |
71 | .non_trigger_based = 1, | |
fc36ffda JB |
72 | .max_bursts_exponent = -1, /* all supported */ |
73 | .max_ftms_per_burst = 0, /* no limits */ | |
74 | .bandwidths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | | |
75 | BIT(NL80211_CHAN_WIDTH_20) | | |
76 | BIT(NL80211_CHAN_WIDTH_40) | | |
8a2c1516 AS |
77 | BIT(NL80211_CHAN_WIDTH_80) | |
78 | BIT(NL80211_CHAN_WIDTH_160), | |
fc36ffda JB |
79 | .preambles = BIT(NL80211_PREAMBLE_LEGACY) | |
80 | BIT(NL80211_PREAMBLE_HT) | | |
6815e3d0 AS |
81 | BIT(NL80211_PREAMBLE_VHT) | |
82 | BIT(NL80211_PREAMBLE_HE), | |
fc36ffda JB |
83 | }, |
84 | }; | |
85 | ||
6569e7d3 JB |
86 | static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, |
87 | enum set_key_cmd cmd, | |
88 | struct ieee80211_vif *vif, | |
89 | struct ieee80211_sta *sta, | |
90 | struct ieee80211_key_conf *key); | |
c56e00a3 | 91 | |
fe0f2de3 IP |
92 | static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm) |
93 | { | |
94 | int i; | |
95 | ||
96 | memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts)); | |
97 | for (i = 0; i < NUM_PHY_CTX; i++) { | |
98 | mvm->phy_ctxts[i].id = i; | |
99 | mvm->phy_ctxts[i].ref = 0; | |
100 | } | |
101 | } | |
102 | ||
88931cc9 | 103 | struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, |
8ba2d7a1 | 104 | const char *alpha2, |
47c8b154 JD |
105 | enum iwl_mcc_source src_id, |
106 | bool *changed) | |
88931cc9 AN |
107 | { |
108 | struct ieee80211_regdomain *regd = NULL; | |
109 | struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); | |
110 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
111 | struct iwl_mcc_update_resp *resp; | |
e27c506a | 112 | u8 resp_ver; |
88931cc9 AN |
113 | |
114 | IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2); | |
115 | ||
8ba2d7a1 | 116 | lockdep_assert_held(&mvm->mutex); |
88931cc9 | 117 | |
8ba2d7a1 | 118 | resp = iwl_mvm_update_mcc(mvm, alpha2, src_id); |
88931cc9 AN |
119 | if (IS_ERR_OR_NULL(resp)) { |
120 | IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n", | |
b8c474d9 | 121 | PTR_ERR_OR_ZERO(resp)); |
6d19a5eb | 122 | resp = NULL; |
8ba2d7a1 | 123 | goto out; |
88931cc9 AN |
124 | } |
125 | ||
82715ac7 EG |
126 | if (changed) { |
127 | u32 status = le32_to_cpu(resp->status); | |
128 | ||
129 | *changed = (status == MCC_RESP_NEW_CHAN_PROFILE || | |
130 | status == MCC_RESP_ILLEGAL); | |
131 | } | |
e27c506a GA |
132 | resp_ver = iwl_fw_lookup_notif_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP, |
133 | MCC_UPDATE_CMD, 0); | |
134 | IWL_DEBUG_LAR(mvm, "MCC update response version: %d\n", resp_ver); | |
47c8b154 | 135 | |
162ee3c9 | 136 | regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg, |
88931cc9 AN |
137 | __le32_to_cpu(resp->n_channels), |
138 | resp->channels, | |
77e30e10 | 139 | __le16_to_cpu(resp->mcc), |
2763bba6 | 140 | __le16_to_cpu(resp->geo_info), |
e27c506a | 141 | __le16_to_cpu(resp->cap), resp_ver); |
8ba2d7a1 EH |
142 | /* Store the return source id */ |
143 | src_id = resp->source_id; | |
88931cc9 AN |
144 | if (IS_ERR_OR_NULL(regd)) { |
145 | IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n", | |
b8c474d9 | 146 | PTR_ERR_OR_ZERO(regd)); |
8ba2d7a1 | 147 | goto out; |
88931cc9 AN |
148 | } |
149 | ||
8ba2d7a1 EH |
150 | IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n", |
151 | regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id); | |
88931cc9 | 152 | mvm->lar_regdom_set = true; |
8ba2d7a1 | 153 | mvm->mcc_src = src_id; |
88931cc9 | 154 | |
6d19a5eb EG |
155 | iwl_mei_set_country_code(__le16_to_cpu(resp->mcc)); |
156 | ||
8ba2d7a1 | 157 | out: |
6d19a5eb | 158 | kfree(resp); |
88931cc9 AN |
159 | return regd; |
160 | } | |
161 | ||
47c8b154 JD |
162 | void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm) |
163 | { | |
164 | bool changed; | |
165 | struct ieee80211_regdomain *regd; | |
166 | ||
167 | if (!iwl_mvm_is_lar_supported(mvm)) | |
168 | return; | |
169 | ||
170 | regd = iwl_mvm_get_current_regdomain(mvm, &changed); | |
171 | if (!IS_ERR_OR_NULL(regd)) { | |
172 | /* only update the regulatory core if changed */ | |
173 | if (changed) | |
174 | regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); | |
175 | ||
176 | kfree(regd); | |
177 | } | |
178 | } | |
179 | ||
180 | struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, | |
181 | bool *changed) | |
8ba2d7a1 EH |
182 | { |
183 | return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ", | |
184 | iwl_mvm_is_wifi_mcc_supported(mvm) ? | |
185 | MCC_SOURCE_GET_CURRENT : | |
47c8b154 | 186 | MCC_SOURCE_OLD_FW, changed); |
8ba2d7a1 EH |
187 | } |
188 | ||
189 | int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm) | |
190 | { | |
191 | enum iwl_mcc_source used_src; | |
192 | struct ieee80211_regdomain *regd; | |
b6e160ab AN |
193 | int ret; |
194 | bool changed; | |
8ba2d7a1 | 195 | const struct ieee80211_regdomain *r = |
a05829a7 | 196 | wiphy_dereference(mvm->hw->wiphy, mvm->hw->wiphy->regd); |
8ba2d7a1 EH |
197 | |
198 | if (!r) | |
b6e160ab | 199 | return -ENOENT; |
8ba2d7a1 EH |
200 | |
201 | /* save the last source in case we overwrite it below */ | |
202 | used_src = mvm->mcc_src; | |
203 | if (iwl_mvm_is_wifi_mcc_supported(mvm)) { | |
204 | /* Notify the firmware we support wifi location updates */ | |
47c8b154 | 205 | regd = iwl_mvm_get_current_regdomain(mvm, NULL); |
8ba2d7a1 EH |
206 | if (!IS_ERR_OR_NULL(regd)) |
207 | kfree(regd); | |
208 | } | |
209 | ||
210 | /* Now set our last stored MCC and source */ | |
b6e160ab AN |
211 | regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src, |
212 | &changed); | |
8ba2d7a1 EH |
213 | if (IS_ERR_OR_NULL(regd)) |
214 | return -EIO; | |
215 | ||
b6e160ab AN |
216 | /* update cfg80211 if the regdomain was changed */ |
217 | if (changed) | |
a05829a7 | 218 | ret = regulatory_set_wiphy_regd_sync(mvm->hw->wiphy, regd); |
b6e160ab AN |
219 | else |
220 | ret = 0; | |
8ba2d7a1 | 221 | |
b6e160ab AN |
222 | kfree(regd); |
223 | return ret; | |
8ba2d7a1 EH |
224 | } |
225 | ||
8e33f046 | 226 | /* Each capability added here should also be add to tm_if_types_ext_capa_sta */ |
7f2ea521 | 227 | static const u8 he_if_types_ext_capa_sta[] = { |
7360f99e | 228 | [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, |
918cbf39 | 229 | [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT, |
7360f99e | 230 | [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, |
7360f99e EG |
231 | }; |
232 | ||
8e33f046 KP |
233 | static const u8 tm_if_types_ext_capa_sta[] = { |
234 | [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, | |
235 | [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT | | |
236 | WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT, | |
237 | [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, | |
238 | [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, | |
239 | }; | |
240 | ||
241 | /* Additional interface types for which extended capabilities are | |
242 | * specified separately | |
243 | */ | |
244 | static const struct wiphy_iftype_ext_capab add_iftypes_ext_capa[] = { | |
7360f99e EG |
245 | { |
246 | .iftype = NL80211_IFTYPE_STATION, | |
247 | .extended_capabilities = he_if_types_ext_capa_sta, | |
248 | .extended_capabilities_mask = he_if_types_ext_capa_sta, | |
249 | .extended_capabilities_len = sizeof(he_if_types_ext_capa_sta), | |
250 | }, | |
8e33f046 KP |
251 | { |
252 | .iftype = NL80211_IFTYPE_STATION, | |
253 | .extended_capabilities = tm_if_types_ext_capa_sta, | |
254 | .extended_capabilities_mask = tm_if_types_ext_capa_sta, | |
255 | .extended_capabilities_len = sizeof(tm_if_types_ext_capa_sta), | |
256 | /* relevant only if EHT is supported */ | |
257 | .eml_capabilities = IEEE80211_EML_CAP_EMLSR_SUPP, | |
258 | }, | |
7360f99e EG |
259 | }; |
260 | ||
cbce62a3 | 261 | int iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) |
e8503aec BG |
262 | { |
263 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
264 | *tx_ant = iwl_mvm_get_valid_tx_ant(mvm); | |
265 | *rx_ant = iwl_mvm_get_valid_rx_ant(mvm); | |
266 | return 0; | |
267 | } | |
268 | ||
8ca151b5 JB |
269 | int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) |
270 | { | |
271 | struct ieee80211_hw *hw = mvm->hw; | |
831e85f3 | 272 | int num_mac, ret, i; |
5f4c02e2 JB |
273 | static const u32 mvm_ciphers[] = { |
274 | WLAN_CIPHER_SUITE_WEP40, | |
275 | WLAN_CIPHER_SUITE_WEP104, | |
276 | WLAN_CIPHER_SUITE_TKIP, | |
277 | WLAN_CIPHER_SUITE_CCMP, | |
278 | }; | |
3f37c229 IY |
279 | #ifdef CONFIG_PM_SLEEP |
280 | bool unified = fw_has_capa(&mvm->fw->ucode_capa, | |
281 | IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); | |
282 | #endif | |
a5de7de7 JB |
283 | u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); |
284 | u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); | |
8ca151b5 JB |
285 | |
286 | /* Tell mac80211 our characteristics */ | |
30686bf7 JB |
287 | ieee80211_hw_set(hw, SIGNAL_DBM); |
288 | ieee80211_hw_set(hw, SPECTRUM_MGMT); | |
289 | ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); | |
30686bf7 JB |
290 | ieee80211_hw_set(hw, WANT_MONITOR_VIF); |
291 | ieee80211_hw_set(hw, SUPPORTS_PS); | |
292 | ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); | |
293 | ieee80211_hw_set(hw, AMPDU_AGGREGATION); | |
294 | ieee80211_hw_set(hw, TIMING_BEACON_ONLY); | |
295 | ieee80211_hw_set(hw, CONNECTION_MONITOR); | |
296 | ieee80211_hw_set(hw, CHANCTX_STA_CSA); | |
297 | ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); | |
298 | ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); | |
909ddf0b | 299 | ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); |
30433d3b | 300 | ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); |
d270e7b8 | 301 | ieee80211_hw_set(hw, DEAUTH_NEED_MGD_TX_PREP); |
520229e4 | 302 | ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); |
cfbc6c4c SS |
303 | ieee80211_hw_set(hw, BUFF_MMPDU_TXQ); |
304 | ieee80211_hw_set(hw, STA_MMPDU_TXQ); | |
cfb21b11 JB |
305 | /* |
306 | * On older devices, enabling TX A-MSDU occasionally leads to | |
307 | * something getting messed up, the command read from the FIFO | |
308 | * gets out of sync and isn't a TX command, so that we have an | |
309 | * assert EDC. | |
310 | * | |
311 | * It's not clear where the bug is, but since we didn't used to | |
312 | * support A-MSDU until moving the mac80211 iTXQs, just leave it | |
313 | * for older devices. We also don't see this issue on any newer | |
314 | * devices. | |
315 | */ | |
7d34a7d7 | 316 | if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_9000) |
cfb21b11 | 317 | ieee80211_hw_set(hw, TX_AMSDU); |
438af969 | 318 | ieee80211_hw_set(hw, TX_FRAG_LIST); |
ecaf71de | 319 | |
4243edb4 | 320 | if (iwl_mvm_has_tlc_offload(mvm)) { |
ecaf71de GG |
321 | ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); |
322 | ieee80211_hw_set(hw, HAS_RATE_CONTROL); | |
323 | } | |
324 | ||
b915c101 SS |
325 | if (iwl_mvm_has_new_rx_api(mvm)) |
326 | ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); | |
960f864b JB |
327 | |
328 | if (fw_has_capa(&mvm->fw->ucode_capa, | |
329 | IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) { | |
65e25482 | 330 | ieee80211_hw_set(hw, AP_LINK_PS); |
960f864b JB |
331 | } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) { |
332 | /* | |
333 | * we absolutely need this for the new TX API since that comes | |
334 | * with many more queues than the current code can deal with | |
335 | * for station powersave | |
336 | */ | |
337 | return -EINVAL; | |
338 | } | |
8ca151b5 | 339 | |
80938abc JB |
340 | if (mvm->trans->num_rx_queues > 1) |
341 | ieee80211_hw_set(hw, USES_RSS); | |
342 | ||
2d7cf549 JB |
343 | if (mvm->trans->max_skb_frags) |
344 | hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; | |
345 | ||
366fc672 | 346 | hw->queues = IEEE80211_NUM_ACS; |
398e8c6c | 347 | hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; |
7b1dd048 EG |
348 | hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | |
349 | IEEE80211_RADIOTAP_MCS_HAVE_STBC; | |
339b3086 ES |
350 | hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | |
351 | IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; | |
371a17ed JB |
352 | |
353 | hw->radiotap_timestamp.units_pos = | |
354 | IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | | |
355 | IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; | |
356 | /* this is the case for CCK frames, it's better (only 8) for OFDM */ | |
357 | hw->radiotap_timestamp.accuracy = 22; | |
358 | ||
4243edb4 | 359 | if (!iwl_mvm_has_tlc_offload(mvm)) |
9f66a397 GG |
360 | hw->rate_control_algorithm = RS_NAME; |
361 | ||
848955cc JB |
362 | hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; |
363 | hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; | |
438af969 | 364 | hw->max_tx_fragments = mvm->trans->max_skb_frags; |
8ca151b5 | 365 | |
8e160ab8 | 366 | BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); |
5f4c02e2 JB |
367 | memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); |
368 | hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); | |
369 | hw->wiphy->cipher_suites = mvm->ciphers; | |
370 | ||
2a53d166 AB |
371 | if (iwl_mvm_has_new_rx_api(mvm)) { |
372 | mvm->ciphers[hw->wiphy->n_cipher_suites] = | |
373 | WLAN_CIPHER_SUITE_GCMP; | |
374 | hw->wiphy->n_cipher_suites++; | |
375 | mvm->ciphers[hw->wiphy->n_cipher_suites] = | |
376 | WLAN_CIPHER_SUITE_GCMP_256; | |
377 | hw->wiphy->n_cipher_suites++; | |
378 | } | |
379 | ||
f4bfdc5e EG |
380 | if (iwlwifi_mod_params.swcrypto) |
381 | IWL_ERR(mvm, | |
382 | "iwlmvm doesn't allow to disable HW crypto, check swcrypto module parameter\n"); | |
383 | if (!iwlwifi_mod_params.bt_coex_active) | |
384 | IWL_ERR(mvm, | |
385 | "iwlmvm doesn't allow to disable BT Coex, check bt_coex_active module parameter\n"); | |
386 | ||
387 | ieee80211_hw_set(hw, MFP_CAPABLE); | |
388 | mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_AES_CMAC; | |
389 | hw->wiphy->n_cipher_suites++; | |
390 | if (iwl_mvm_has_new_rx_api(mvm)) { | |
5f4c02e2 | 391 | mvm->ciphers[hw->wiphy->n_cipher_suites] = |
f4bfdc5e EG |
392 | WLAN_CIPHER_SUITE_BIP_GMAC_128; |
393 | hw->wiphy->n_cipher_suites++; | |
394 | mvm->ciphers[hw->wiphy->n_cipher_suites] = | |
395 | WLAN_CIPHER_SUITE_BIP_GMAC_256; | |
5f4c02e2 JB |
396 | hw->wiphy->n_cipher_suites++; |
397 | } | |
398 | ||
ef2e7a51 IP |
399 | wiphy_ext_feature_set(hw->wiphy, |
400 | NL80211_EXT_FEATURE_BEACON_RATE_LEGACY); | |
401 | ||
b73f9a4a | 402 | if (fw_has_capa(&mvm->fw->ucode_capa, |
fc36ffda | 403 | IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) { |
b73f9a4a JB |
404 | wiphy_ext_feature_set(hw->wiphy, |
405 | NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); | |
fc36ffda JB |
406 | hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa; |
407 | } | |
b73f9a4a | 408 | |
a5de7de7 JB |
409 | if (sec_key_ver && |
410 | fw_has_capa(&mvm->fw->ucode_capa, | |
411 | IWL_UCODE_TLV_CAPA_BIGTK_TX_SUPPORT)) | |
412 | wiphy_ext_feature_set(hw->wiphy, | |
413 | NL80211_EXT_FEATURE_BEACON_PROTECTION); | |
414 | else if (fw_has_capa(&mvm->fw->ucode_capa, | |
415 | IWL_UCODE_TLV_CAPA_BIGTK_SUPPORT)) | |
b1fdc250 JB |
416 | wiphy_ext_feature_set(hw->wiphy, |
417 | NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT); | |
418 | ||
cf85123a AS |
419 | if (fw_has_capa(&mvm->fw->ucode_capa, |
420 | IWL_UCODE_TLV_CAPA_TIME_SYNC_BOTH_FTM_TM)) | |
421 | hw->wiphy->hw_timestamp_max_peers = 1; | |
422 | ||
30686bf7 | 423 | ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); |
1f940386 LC |
424 | hw->wiphy->features |= |
425 | NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | | |
3db93420 JB |
426 | NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | |
427 | NL80211_FEATURE_ND_RANDOM_MAC_ADDR; | |
fb98be5e | 428 | |
8ca151b5 JB |
429 | hw->sta_data_size = sizeof(struct iwl_mvm_sta); |
430 | hw->vif_data_size = sizeof(struct iwl_mvm_vif); | |
fe0f2de3 | 431 | hw->chanctx_data_size = sizeof(u16); |
cfbc6c4c | 432 | hw->txq_data_size = sizeof(struct iwl_mvm_txq); |
8ca151b5 JB |
433 | |
434 | hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | | |
3c15a0fb JB |
435 | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
436 | BIT(NL80211_IFTYPE_AP) | | |
437 | BIT(NL80211_IFTYPE_P2P_GO) | | |
c13b1725 EG |
438 | BIT(NL80211_IFTYPE_P2P_DEVICE) | |
439 | BIT(NL80211_IFTYPE_ADHOC); | |
5023d966 | 440 | |
a2f73b6c | 441 | hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; |
e47df5bd | 442 | wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); |
33e3fd99 AW |
443 | |
444 | /* The new Tx API does not allow to pass the key or keyid of a MPDU to | |
445 | * the hw, preventing us to control which key(id) to use per MPDU. | |
446 | * Till that's fixed we can't use Extended Key ID for the newer cards. | |
447 | */ | |
448 | if (!iwl_mvm_has_new_tx_api(mvm)) | |
449 | wiphy_ext_feature_set(hw->wiphy, | |
450 | NL80211_EXT_FEATURE_EXT_KEY_ID); | |
e47df5bd JB |
451 | hw->wiphy->features |= NL80211_FEATURE_HT_IBSS; |
452 | ||
8ba2d7a1 EH |
453 | hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; |
454 | if (iwl_mvm_is_lar_supported(mvm)) | |
455 | hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; | |
456 | else | |
457 | hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | | |
458 | REGULATORY_DISABLE_BEACON_HINTS; | |
8ca151b5 | 459 | |
4b87e5af | 460 | hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; |
94bbed72 | 461 | hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; |
eae94cf8 | 462 | hw->wiphy->flags |= WIPHY_FLAG_SPLIT_SCAN_6GHZ; |
bd3398e2 | 463 | |
8ca151b5 JB |
464 | hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; |
465 | hw->wiphy->n_iface_combinations = | |
466 | ARRAY_SIZE(iwl_mvm_iface_combinations); | |
467 | ||
c451e6d4 | 468 | hw->wiphy->max_remain_on_channel_duration = 10000; |
8ca151b5 JB |
469 | hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; |
470 | ||
471 | /* Extract MAC address */ | |
472 | memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); | |
473 | hw->wiphy->addresses = mvm->addresses; | |
474 | hw->wiphy->n_addresses = 1; | |
831e85f3 IP |
475 | |
476 | /* Extract additional MAC addresses if available */ | |
477 | num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? | |
478 | min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; | |
479 | ||
480 | for (i = 1; i < num_mac; i++) { | |
481 | memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, | |
8ca151b5 | 482 | ETH_ALEN); |
831e85f3 | 483 | mvm->addresses[i].addr[5]++; |
8ca151b5 JB |
484 | hw->wiphy->n_addresses++; |
485 | } | |
486 | ||
fe0f2de3 IP |
487 | iwl_mvm_reset_phy_ctxts(mvm); |
488 | ||
999d2568 | 489 | hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); |
20f1a5de | 490 | |
8ca151b5 JB |
491 | hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; |
492 | ||
c7d42480 | 493 | BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); |
507e4cda LC |
494 | BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || |
495 | IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); | |
496 | ||
859d914c | 497 | if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) |
507e4cda LC |
498 | mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS; |
499 | else | |
500 | mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS; | |
501 | ||
57fbcce3 JB |
502 | if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) |
503 | hw->wiphy->bands[NL80211_BAND_2GHZ] = | |
504 | &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; | |
505 | if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { | |
506 | hw->wiphy->bands[NL80211_BAND_5GHZ] = | |
507 | &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; | |
8ca151b5 | 508 | |
859d914c JB |
509 | if (fw_has_capa(&mvm->fw->ucode_capa, |
510 | IWL_UCODE_TLV_CAPA_BEAMFORMER) && | |
511 | fw_has_api(&mvm->fw->ucode_capa, | |
512 | IWL_UCODE_TLV_API_LQ_SS_PARAMS)) | |
57fbcce3 | 513 | hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= |
3d44eebf ES |
514 | IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; |
515 | } | |
eae94cf8 LC |
516 | if (fw_has_capa(&mvm->fw->ucode_capa, |
517 | IWL_UCODE_TLV_CAPA_PSC_CHAN_SUPPORT) && | |
518 | mvm->nvm_data->bands[NL80211_BAND_6GHZ].n_channels) | |
519 | hw->wiphy->bands[NL80211_BAND_6GHZ] = | |
520 | &mvm->nvm_data->bands[NL80211_BAND_6GHZ]; | |
3d44eebf | 521 | |
8ca151b5 JB |
522 | hw->wiphy->hw_version = mvm->trans->hw_id; |
523 | ||
ade50652 | 524 | if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) |
8ca151b5 JB |
525 | hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; |
526 | else | |
527 | hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; | |
528 | ||
ca986ad9 | 529 | hw->wiphy->max_sched_scan_reqs = 1; |
9954b37c | 530 | hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; |
5d1234ba | 531 | hw->wiphy->max_match_sets = iwl_umac_scan_get_max_profiles(mvm->fw); |
9954b37c EG |
532 | /* we create the 802.11 header and zero length SSID IE. */ |
533 | hw->wiphy->max_sched_scan_ie_len = | |
534 | SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; | |
cd55ccea AS |
535 | hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; |
536 | hw->wiphy->max_sched_scan_plan_interval = U16_MAX; | |
537 | ||
538 | /* | |
539 | * the firmware uses u8 for num of iterations, but 0xff is saved for | |
540 | * infinite loop, so the maximum number of iterations is actually 254. | |
541 | */ | |
542 | hw->wiphy->max_sched_scan_plan_iterations = 254; | |
35a000b7 | 543 | |
8ca151b5 | 544 | hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | |
ab480030 | 545 | NL80211_FEATURE_LOW_PRIORITY_SCAN | |
0d8614b4 | 546 | NL80211_FEATURE_P2P_GO_OPPPS | |
a904a08b | 547 | NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | |
0d8614b4 | 548 | NL80211_FEATURE_DYNAMIC_SMPS | |
9b5452fd EG |
549 | NL80211_FEATURE_STATIC_SMPS | |
550 | NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; | |
8ca151b5 | 551 | |
859d914c JB |
552 | if (fw_has_capa(&mvm->fw->ucode_capa, |
553 | IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) | |
f1daa00e | 554 | hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; |
859d914c JB |
555 | if (fw_has_capa(&mvm->fw->ucode_capa, |
556 | IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) | |
226bcd48 | 557 | hw->wiphy->features |= NL80211_FEATURE_QUIET; |
f1daa00e | 558 | |
859d914c JB |
559 | if (fw_has_capa(&mvm->fw->ucode_capa, |
560 | IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) | |
73897bd1 AO |
561 | hw->wiphy->features |= |
562 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; | |
563 | ||
859d914c JB |
564 | if (fw_has_capa(&mvm->fw->ucode_capa, |
565 | IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) | |
73897bd1 AO |
566 | hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; |
567 | ||
971cbe50 | 568 | if (iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_KEK_KCK_MATERIAL, |
2a42aea7 NE |
569 | IWL_FW_CMD_VER_UNKNOWN) == 3) |
570 | hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK; | |
571 | ||
aacf8f18 AS |
572 | if (fw_has_api(&mvm->fw->ucode_capa, |
573 | IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { | |
574 | wiphy_ext_feature_set(hw->wiphy, | |
575 | NL80211_EXT_FEATURE_SCAN_START_TIME); | |
576 | wiphy_ext_feature_set(hw->wiphy, | |
577 | NL80211_EXT_FEATURE_BSS_PARENT_TSF); | |
aacf8f18 AS |
578 | } |
579 | ||
8f691af9 | 580 | if (iwl_mvm_is_oce_supported(mvm)) { |
971cbe50 | 581 | u8 scan_ver = iwl_fw_lookup_cmd_ver(mvm->fw, SCAN_REQ_UMAC, 0); |
773a042f | 582 | |
8f691af9 ZR |
583 | wiphy_ext_feature_set(hw->wiphy, |
584 | NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP); | |
585 | wiphy_ext_feature_set(hw->wiphy, | |
586 | NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME); | |
8f691af9 ZR |
587 | wiphy_ext_feature_set(hw->wiphy, |
588 | NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE); | |
773a042f AS |
589 | |
590 | /* Old firmware also supports probe deferral and suppression */ | |
591 | if (scan_ver < 15) | |
592 | wiphy_ext_feature_set(hw->wiphy, | |
593 | NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION); | |
8f691af9 ZR |
594 | } |
595 | ||
8e33f046 KP |
596 | hw->wiphy->iftype_ext_capab = NULL; |
597 | hw->wiphy->num_iftype_ext_capab = 0; | |
598 | ||
7360f99e EG |
599 | if (mvm->nvm_data->sku_cap_11ax_enable && |
600 | !iwlwifi_mod_params.disable_11ax) { | |
8e33f046 | 601 | hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa; |
7360f99e | 602 | hw->wiphy->num_iftype_ext_capab = |
8e33f046 | 603 | ARRAY_SIZE(add_iftypes_ext_capa) - 1; |
918cbf39 SS |
604 | |
605 | ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); | |
606 | ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID); | |
7360f99e EG |
607 | } |
608 | ||
8e33f046 KP |
609 | if (iwl_fw_lookup_cmd_ver(mvm->fw, |
610 | WIDE_ID(DATA_PATH_GROUP, | |
611 | WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD), | |
612 | IWL_FW_CMD_VER_UNKNOWN) >= 1) { | |
613 | IWL_DEBUG_INFO(mvm->trans, "Timing measurement supported\n"); | |
614 | ||
615 | if (!hw->wiphy->iftype_ext_capab) { | |
616 | hw->wiphy->num_iftype_ext_capab = 1; | |
617 | hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + | |
618 | ARRAY_SIZE(add_iftypes_ext_capa) - 1; | |
619 | } else { | |
620 | hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 1; | |
621 | } | |
622 | } | |
623 | ||
8ca151b5 JB |
624 | mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; |
625 | ||
626 | #ifdef CONFIG_PM_SLEEP | |
3f37c229 | 627 | if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) && |
8ca151b5 JB |
628 | mvm->trans->ops->d3_suspend && |
629 | mvm->trans->ops->d3_resume && | |
630 | device_can_wakeup(mvm->trans->dev)) { | |
91742449 EP |
631 | mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | |
632 | WIPHY_WOWLAN_DISCONNECT | | |
633 | WIPHY_WOWLAN_EAP_IDENTITY_REQ | | |
634 | WIPHY_WOWLAN_RFKILL_RELEASE | | |
635 | WIPHY_WOWLAN_NET_DETECT; | |
f4bfdc5e EG |
636 | mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | |
637 | WIPHY_WOWLAN_GTK_REKEY_FAILURE | | |
638 | WIPHY_WOWLAN_4WAY_HANDSHAKE; | |
964dc9e2 JB |
639 | |
640 | mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; | |
641 | mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; | |
642 | mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; | |
5d1234ba TM |
643 | mvm->wowlan.max_nd_match_sets = |
644 | iwl_umac_scan_get_max_profiles(mvm->fw); | |
964dc9e2 | 645 | hw->wiphy->wowlan = &mvm->wowlan; |
8ca151b5 JB |
646 | } |
647 | #endif | |
648 | ||
649 | ret = iwl_mvm_leds_init(mvm); | |
650 | if (ret) | |
651 | return ret; | |
652 | ||
859d914c JB |
653 | if (fw_has_capa(&mvm->fw->ucode_capa, |
654 | IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { | |
d8f1c515 AN |
655 | IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); |
656 | hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; | |
7c4f0843 | 657 | ieee80211_hw_set(hw, TDLS_WIDER_BW); |
d8f1c515 AN |
658 | } |
659 | ||
859d914c JB |
660 | if (fw_has_capa(&mvm->fw->ucode_capa, |
661 | IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { | |
1d3c3f63 AN |
662 | IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); |
663 | hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; | |
664 | } | |
665 | ||
93190fb0 | 666 | hw->netdev_features |= mvm->cfg->features; |
59fa61f3 | 667 | if (!iwl_mvm_is_csum_supported(mvm)) |
6772aab7 | 668 | hw->netdev_features &= ~IWL_CSUM_NETIF_FLAGS_MASK; |
41837ca9 | 669 | |
91b08c2d AE |
670 | if (mvm->cfg->vht_mu_mimo_supported) |
671 | wiphy_ext_feature_set(hw->wiphy, | |
672 | NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); | |
673 | ||
9c11d8a9 ST |
674 | if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_PROTECTED_TWT)) |
675 | wiphy_ext_feature_set(hw->wiphy, | |
676 | NL80211_EXT_FEATURE_PROTECTED_TWT); | |
677 | ||
bfcfdb59 EG |
678 | iwl_mvm_vendor_cmds_register(mvm); |
679 | ||
e8503aec BG |
680 | hw->wiphy->available_antennas_tx = iwl_mvm_get_valid_tx_ant(mvm); |
681 | hw->wiphy->available_antennas_rx = iwl_mvm_get_valid_rx_ant(mvm); | |
682 | ||
de645e89 JB |
683 | ret = ieee80211_register_hw(mvm->hw); |
684 | if (ret) { | |
685 | iwl_mvm_leds_exit(mvm); | |
de645e89 JB |
686 | } |
687 | ||
b7327d89 | 688 | return ret; |
8ca151b5 JB |
689 | } |
690 | ||
df2378ab JB |
691 | static void iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, |
692 | struct ieee80211_sta *sta) | |
693 | { | |
694 | if (likely(sta)) { | |
695 | if (likely(iwl_mvm_tx_skb_sta(mvm, skb, sta) == 0)) | |
696 | return; | |
697 | } else { | |
698 | if (likely(iwl_mvm_tx_skb_non_sta(mvm, skb) == 0)) | |
699 | return; | |
700 | } | |
701 | ||
702 | ieee80211_free_txskb(mvm->hw, skb); | |
703 | } | |
704 | ||
cbce62a3 MK |
705 | void iwl_mvm_mac_tx(struct ieee80211_hw *hw, |
706 | struct ieee80211_tx_control *control, struct sk_buff *skb) | |
8ca151b5 JB |
707 | { |
708 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
3e56eadf JB |
709 | struct ieee80211_sta *sta = control->sta; |
710 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); | |
711 | struct ieee80211_hdr *hdr = (void *)skb->data; | |
cfbc6c4c SS |
712 | bool offchannel = IEEE80211_SKB_CB(skb)->flags & |
713 | IEEE80211_TX_CTL_TX_OFFCHAN; | |
8ca151b5 | 714 | |
9ee718aa EL |
715 | if (iwl_mvm_is_radio_killed(mvm)) { |
716 | IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); | |
8ca151b5 JB |
717 | goto drop; |
718 | } | |
719 | ||
cfbc6c4c | 720 | if (offchannel && |
a6cc5163 MG |
721 | !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) && |
722 | !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) | |
8ca151b5 JB |
723 | goto drop; |
724 | ||
10516783 JB |
725 | /* |
726 | * bufferable MMPDUs or MMPDUs on STA interfaces come via TXQs | |
727 | * so we treat the others as broadcast | |
728 | */ | |
729 | if (ieee80211_is_mgmt(hdr->frame_control)) | |
3e56eadf JB |
730 | sta = NULL; |
731 | ||
dc1aca22 | 732 | /* If there is no sta, and it's not offchannel - send through AP */ |
cfbc6c4c SS |
733 | if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION && |
734 | !offchannel) { | |
dc1aca22 AO |
735 | struct iwl_mvm_vif *mvmvif = |
736 | iwl_mvm_vif_from_mac80211(info->control.vif); | |
650cadb7 | 737 | u8 ap_sta_id = READ_ONCE(mvmvif->deflink.ap_sta_id); |
dc1aca22 | 738 | |
be9ae34e | 739 | if (ap_sta_id < mvm->fw->ucode_capa.num_stations) { |
dc1aca22 AO |
740 | /* mac80211 holds rcu read lock */ |
741 | sta = rcu_dereference(mvm->fw_id_to_mac_id[ap_sta_id]); | |
742 | if (IS_ERR_OR_NULL(sta)) | |
743 | goto drop; | |
744 | } | |
745 | } | |
746 | ||
df2378ab | 747 | iwl_mvm_tx_skb(mvm, skb, sta); |
8ca151b5 JB |
748 | return; |
749 | drop: | |
750 | ieee80211_free_txskb(hw, skb); | |
751 | } | |
752 | ||
cfbc6c4c | 753 | void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq) |
205e2210 | 754 | { |
cfbc6c4c SS |
755 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
756 | struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); | |
757 | struct sk_buff *skb = NULL; | |
758 | ||
fba8248e SS |
759 | /* |
760 | * No need for threads to be pending here, they can leave the first | |
761 | * taker all the work. | |
762 | * | |
763 | * mvmtxq->tx_request logic: | |
764 | * | |
765 | * If 0, no one is currently TXing, set to 1 to indicate current thread | |
766 | * will now start TX and other threads should quit. | |
767 | * | |
768 | * If 1, another thread is currently TXing, set to 2 to indicate to | |
769 | * that thread that there was another request. Since that request may | |
770 | * have raced with the check whether the queue is empty, the TXing | |
771 | * thread should check the queue's status one more time before leaving. | |
772 | * This check is done in order to not leave any TX hanging in the queue | |
773 | * until the next TX invocation (which may not even happen). | |
774 | * | |
775 | * If 2, another thread is currently TXing, and it will already double | |
776 | * check the queue, so do nothing. | |
777 | */ | |
778 | if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2)) | |
779 | return; | |
cfbc6c4c SS |
780 | |
781 | rcu_read_lock(); | |
fba8248e SS |
782 | do { |
783 | while (likely(!mvmtxq->stopped && | |
00520b7a | 784 | !test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))) { |
fba8248e SS |
785 | skb = ieee80211_tx_dequeue(hw, txq); |
786 | ||
f50d693b SS |
787 | if (!skb) { |
788 | if (txq->sta) | |
789 | IWL_DEBUG_TX(mvm, | |
790 | "TXQ of sta %pM tid %d is now empty\n", | |
791 | txq->sta->addr, | |
792 | txq->tid); | |
fba8248e | 793 | break; |
f50d693b | 794 | } |
fba8248e | 795 | |
df2378ab | 796 | iwl_mvm_tx_skb(mvm, skb, txq->sta); |
fba8248e SS |
797 | } |
798 | } while (atomic_dec_return(&mvmtxq->tx_request)); | |
cfbc6c4c | 799 | rcu_read_unlock(); |
205e2210 EG |
800 | } |
801 | ||
cbce62a3 MK |
802 | void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw, |
803 | struct ieee80211_txq *txq) | |
205e2210 | 804 | { |
cfbc6c4c SS |
805 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
806 | struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); | |
205e2210 | 807 | |
cfbc6c4c SS |
808 | /* |
809 | * Please note that racing is handled very carefully here: | |
810 | * mvmtxq->txq_id is updated during allocation, and mvmtxq->list is | |
811 | * deleted afterwards. | |
812 | * This means that if: | |
813 | * mvmtxq->txq_id != INVALID_QUEUE && list_empty(&mvmtxq->list): | |
814 | * queue is allocated and we can TX. | |
815 | * mvmtxq->txq_id != INVALID_QUEUE && !list_empty(&mvmtxq->list): | |
816 | * a race, should defer the frame. | |
817 | * mvmtxq->txq_id == INVALID_QUEUE && list_empty(&mvmtxq->list): | |
818 | * need to allocate the queue and defer the frame. | |
819 | * mvmtxq->txq_id == INVALID_QUEUE && !list_empty(&mvmtxq->list): | |
820 | * queue is already scheduled for allocation, no need to allocate, | |
821 | * should defer the frame. | |
822 | */ | |
823 | ||
824 | /* If the queue is allocated TX and return. */ | |
825 | if (!txq->sta || mvmtxq->txq_id != IWL_MVM_INVALID_QUEUE) { | |
826 | /* | |
827 | * Check that list is empty to avoid a race where txq_id is | |
828 | * already updated, but the queue allocation work wasn't | |
829 | * finished | |
830 | */ | |
831 | if (unlikely(txq->sta && !list_empty(&mvmtxq->list))) | |
832 | return; | |
833 | ||
834 | iwl_mvm_mac_itxq_xmit(hw, txq); | |
835 | return; | |
836 | } | |
837 | ||
838 | /* The list is being deleted only after the queue is fully allocated. */ | |
839 | if (!list_empty(&mvmtxq->list)) | |
840 | return; | |
841 | ||
842 | list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs); | |
843 | schedule_work(&mvm->add_stream_wk); | |
205e2210 EG |
844 | } |
845 | ||
7174beb6 JB |
846 | #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ |
847 | do { \ | |
848 | if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ | |
849 | break; \ | |
850 | iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ | |
4203263d EG |
851 | } while (0) |
852 | ||
853 | static void | |
854 | iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, | |
855 | struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, | |
856 | enum ieee80211_ampdu_mlme_action action) | |
857 | { | |
858 | struct iwl_fw_dbg_trigger_tlv *trig; | |
859 | struct iwl_fw_dbg_trigger_ba *ba_trig; | |
860 | ||
6c042d75 SS |
861 | trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), |
862 | FW_DBG_TRIGGER_BA); | |
863 | if (!trig) | |
4203263d EG |
864 | return; |
865 | ||
4203263d EG |
866 | ba_trig = (void *)trig->data; |
867 | ||
4203263d EG |
868 | switch (action) { |
869 | case IEEE80211_AMPDU_TX_OPERATIONAL: { | |
870 | struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); | |
871 | struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; | |
872 | ||
873 | CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, | |
874 | "TX AGG START: MAC %pM tid %d ssn %d\n", | |
875 | sta->addr, tid, tid_data->ssn); | |
876 | break; | |
877 | } | |
878 | case IEEE80211_AMPDU_TX_STOP_CONT: | |
879 | CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, | |
880 | "TX AGG STOP: MAC %pM tid %d\n", | |
881 | sta->addr, tid); | |
882 | break; | |
883 | case IEEE80211_AMPDU_RX_START: | |
884 | CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, | |
885 | "RX AGG START: MAC %pM tid %d ssn %d\n", | |
886 | sta->addr, tid, rx_ba_ssn); | |
887 | break; | |
888 | case IEEE80211_AMPDU_RX_STOP: | |
889 | CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, | |
890 | "RX AGG STOP: MAC %pM tid %d\n", | |
891 | sta->addr, tid); | |
892 | break; | |
893 | default: | |
894 | break; | |
895 | } | |
896 | } | |
897 | ||
cbce62a3 MK |
898 | int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, |
899 | struct ieee80211_vif *vif, | |
900 | struct ieee80211_ampdu_params *params) | |
8ca151b5 JB |
901 | { |
902 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
903 | int ret; | |
50ea05ef SS |
904 | struct ieee80211_sta *sta = params->sta; |
905 | enum ieee80211_ampdu_mlme_action action = params->action; | |
906 | u16 tid = params->tid; | |
907 | u16 *ssn = ¶ms->ssn; | |
514c3069 | 908 | u16 buf_size = params->buf_size; |
bb81bb68 | 909 | bool amsdu = params->amsdu; |
10b2b201 | 910 | u16 timeout = params->timeout; |
8ca151b5 JB |
911 | |
912 | IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", | |
913 | sta->addr, tid, action); | |
914 | ||
915 | if (!(mvm->nvm_data->sku_cap_11n_enable)) | |
916 | return -EACCES; | |
917 | ||
918 | mutex_lock(&mvm->mutex); | |
919 | ||
920 | switch (action) { | |
921 | case IEEE80211_AMPDU_RX_START: | |
650cadb7 | 922 | if (iwl_mvm_vif_from_mac80211(vif)->deflink.ap_sta_id == |
c8ee33e1 | 923 | iwl_mvm_sta_from_mac80211(sta)->deflink.sta_id) { |
b0ffe455 JB |
924 | struct iwl_mvm_vif *mvmvif; |
925 | u16 macid = iwl_mvm_vif_from_mac80211(vif)->id; | |
926 | struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid]; | |
927 | ||
928 | mdata->opened_rx_ba_sessions = true; | |
929 | mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
930 | cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk); | |
931 | } | |
e78da25e | 932 | if (!iwl_enable_rx_ampdu()) { |
8ca151b5 JB |
933 | ret = -EINVAL; |
934 | break; | |
935 | } | |
10b2b201 SS |
936 | ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, |
937 | timeout); | |
8ca151b5 JB |
938 | break; |
939 | case IEEE80211_AMPDU_RX_STOP: | |
10b2b201 SS |
940 | ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, |
941 | timeout); | |
8ca151b5 JB |
942 | break; |
943 | case IEEE80211_AMPDU_TX_START: | |
e78da25e | 944 | if (!iwl_enable_tx_ampdu()) { |
5d158efa EG |
945 | ret = -EINVAL; |
946 | break; | |
947 | } | |
8ca151b5 JB |
948 | ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); |
949 | break; | |
950 | case IEEE80211_AMPDU_TX_STOP_CONT: | |
e3d9e7ce EG |
951 | ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); |
952 | break; | |
8ca151b5 JB |
953 | case IEEE80211_AMPDU_TX_STOP_FLUSH: |
954 | case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: | |
e3d9e7ce | 955 | ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); |
8ca151b5 JB |
956 | break; |
957 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
bb81bb68 EG |
958 | ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, |
959 | buf_size, amsdu); | |
8ca151b5 JB |
960 | break; |
961 | default: | |
962 | WARN_ON_ONCE(1); | |
963 | ret = -EINVAL; | |
964 | break; | |
965 | } | |
4203263d EG |
966 | |
967 | if (!ret) { | |
968 | u16 rx_ba_ssn = 0; | |
969 | ||
970 | if (action == IEEE80211_AMPDU_RX_START) | |
971 | rx_ba_ssn = *ssn; | |
972 | ||
973 | iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, | |
974 | rx_ba_ssn, action); | |
975 | } | |
8ca151b5 JB |
976 | mutex_unlock(&mvm->mutex); |
977 | ||
978 | return ret; | |
979 | } | |
980 | ||
981 | static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, | |
982 | struct ieee80211_vif *vif) | |
983 | { | |
984 | struct iwl_mvm *mvm = data; | |
985 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
986 | ||
987 | mvmvif->uploaded = false; | |
650cadb7 | 988 | mvmvif->deflink.ap_sta_id = IWL_MVM_INVALID_STA; |
8ca151b5 | 989 | |
8ca151b5 JB |
990 | spin_lock_bh(&mvm->time_event_lock); |
991 | iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); | |
992 | spin_unlock_bh(&mvm->time_event_lock); | |
993 | ||
650cadb7 | 994 | mvmvif->deflink.phy_ctxt = NULL; |
8a275bad | 995 | memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data)); |
650cadb7 GG |
996 | memset(&mvmvif->deflink.probe_resp_data, 0, |
997 | sizeof(mvmvif->deflink.probe_resp_data)); | |
8ca151b5 JB |
998 | } |
999 | ||
1000 | static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) | |
1001 | { | |
fcb6b92a | 1002 | iwl_mvm_stop_device(mvm); |
8ca151b5 | 1003 | |
9bf13bee JB |
1004 | mvm->cur_aid = 0; |
1005 | ||
9af91f46 | 1006 | mvm->scan_status = 0; |
b1873300 | 1007 | mvm->ps_disabled = false; |
b3500b47 | 1008 | mvm->rfkill_safe_init_done = false; |
8ca151b5 JB |
1009 | |
1010 | /* just in case one was running */ | |
305d236e | 1011 | iwl_mvm_cleanup_roc_te(mvm); |
8ca151b5 JB |
1012 | ieee80211_remain_on_channel_expired(mvm->hw); |
1013 | ||
fc36ffda JB |
1014 | iwl_mvm_ftm_restart(mvm); |
1015 | ||
737719fe AN |
1016 | /* |
1017 | * cleanup all interfaces, even inactive ones, as some might have | |
1018 | * gone down during the HW restart | |
1019 | */ | |
1020 | ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); | |
8ca151b5 | 1021 | |
fe0f2de3 IP |
1022 | mvm->p2p_device_vif = NULL; |
1023 | ||
1024 | iwl_mvm_reset_phy_ctxts(mvm); | |
9c3deeb5 | 1025 | memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); |
8a275bad | 1026 | memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); |
8a275bad | 1027 | memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); |
8ca151b5 JB |
1028 | |
1029 | ieee80211_wake_queues(mvm->hw); | |
1030 | ||
113a0447 | 1031 | mvm->rx_ba_sessions = 0; |
7174beb6 | 1032 | mvm->fwrt.dump.conf = FW_DBG_INVALID; |
baf41bc3 | 1033 | mvm->monitor_on = false; |
91a8bcde JB |
1034 | |
1035 | /* keep statistics ticking */ | |
1036 | iwl_mvm_accu_radio_stats(mvm); | |
8ca151b5 JB |
1037 | } |
1038 | ||
a0a09243 | 1039 | int __iwl_mvm_mac_start(struct iwl_mvm *mvm) |
8ca151b5 | 1040 | { |
8ca151b5 JB |
1041 | int ret; |
1042 | ||
a0a09243 | 1043 | lockdep_assert_held(&mvm->mutex); |
8ca151b5 | 1044 | |
6d19a5eb EG |
1045 | ret = iwl_mvm_mei_get_ownership(mvm); |
1046 | if (ret) | |
1047 | return ret; | |
1048 | ||
1049 | if (mvm->mei_nvm_data) { | |
1050 | /* We got the NIC, we can now free the MEI NVM data */ | |
1051 | kfree(mvm->mei_nvm_data); | |
1052 | mvm->mei_nvm_data = NULL; | |
1053 | ||
1054 | /* | |
1055 | * We can't free the nvm_data we allocated based on the SAP | |
1056 | * data because we registered to cfg80211 with the channels | |
1057 | * allocated on mvm->nvm_data. Keep a pointer in temp_nvm_data | |
1058 | * just in order to be able free it later. | |
1059 | * NULLify nvm_data so that we will read the NVM from the | |
1060 | * firmware this time. | |
1061 | */ | |
1062 | mvm->temp_nvm_data = mvm->nvm_data; | |
1063 | mvm->nvm_data = NULL; | |
1064 | } | |
1065 | ||
bf8b286f JB |
1066 | if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { |
1067 | /* | |
1068 | * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART | |
1069 | * so later code will - from now on - see that we're doing it. | |
1070 | */ | |
1071 | set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); | |
1072 | clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); | |
a42b2af3 | 1073 | /* Clean up some internal and mac80211 state on restart */ |
8ca151b5 | 1074 | iwl_mvm_restart_cleanup(mvm); |
a42b2af3 | 1075 | } |
8ca151b5 | 1076 | ret = iwl_mvm_up(mvm); |
c47af22a | 1077 | |
b108d8c7 SM |
1078 | iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_POST_INIT, |
1079 | NULL); | |
1080 | iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_PERIODIC, | |
1081 | NULL); | |
da2eb669 | 1082 | |
e8fe3b41 IP |
1083 | mvm->last_reset_or_resume_time_jiffies = jiffies; |
1084 | ||
c47af22a JB |
1085 | if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { |
1086 | /* Something went wrong - we need to finish some cleanup | |
1087 | * that normally iwl_mvm_mac_restart_complete() below | |
1088 | * would do. | |
1089 | */ | |
1090 | clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); | |
c47af22a JB |
1091 | } |
1092 | ||
a0a09243 LC |
1093 | return ret; |
1094 | } | |
1095 | ||
cbce62a3 | 1096 | int iwl_mvm_mac_start(struct ieee80211_hw *hw) |
a0a09243 LC |
1097 | { |
1098 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
1099 | int ret; | |
5283dd67 | 1100 | int retry, max_retry = 0; |
a0a09243 LC |
1101 | |
1102 | mutex_lock(&mvm->mutex); | |
5283dd67 MG |
1103 | |
1104 | /* we are starting the mac not in error flow, and restart is enabled */ | |
1105 | if (!test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) && | |
1106 | iwlwifi_mod_params.fw_restart) { | |
1107 | max_retry = IWL_MAX_INIT_RETRY; | |
1108 | /* | |
1109 | * This will prevent mac80211 recovery flows to trigger during | |
1110 | * init failures | |
1111 | */ | |
1112 | set_bit(IWL_MVM_STATUS_STARTING, &mvm->status); | |
1113 | } | |
1114 | ||
1115 | for (retry = 0; retry <= max_retry; retry++) { | |
1116 | ret = __iwl_mvm_mac_start(mvm); | |
1117 | if (!ret) | |
1118 | break; | |
1119 | ||
b8133439 AS |
1120 | /* |
1121 | * In PLDR sync PCI re-enumeration is needed. no point to retry | |
1122 | * mac start before that. | |
1123 | */ | |
1124 | if (mvm->pldr_sync) { | |
1125 | iwl_mei_alive_notif(false); | |
1126 | iwl_trans_pcie_remove(mvm->trans, true); | |
1127 | break; | |
1128 | } | |
1129 | ||
5283dd67 MG |
1130 | IWL_ERR(mvm, "mac start retry %d\n", retry); |
1131 | } | |
1132 | clear_bit(IWL_MVM_STATUS_STARTING, &mvm->status); | |
1133 | ||
8ca151b5 JB |
1134 | mutex_unlock(&mvm->mutex); |
1135 | ||
7ce1f215 EG |
1136 | iwl_mvm_mei_set_sw_rfkill_state(mvm); |
1137 | ||
8ca151b5 JB |
1138 | return ret; |
1139 | } | |
1140 | ||
cf2c92d8 | 1141 | static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) |
8ca151b5 | 1142 | { |
8ca151b5 JB |
1143 | int ret; |
1144 | ||
1145 | mutex_lock(&mvm->mutex); | |
1146 | ||
1147 | clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); | |
4d4183c4 | 1148 | |
e7afe89f | 1149 | ret = iwl_mvm_update_quotas(mvm, true, NULL); |
8ca151b5 JB |
1150 | if (ret) |
1151 | IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", | |
1152 | ret); | |
1153 | ||
f130bb75 MG |
1154 | iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY); |
1155 | ||
cbd2ae2d AN |
1156 | /* |
1157 | * If we have TDLS peers, remove them. We don't know the last seqno/PN | |
1158 | * of packets the FW sent out, so we must reconnect. | |
1159 | */ | |
1160 | iwl_mvm_teardown_tdls_peers(mvm); | |
1161 | ||
8ca151b5 JB |
1162 | mutex_unlock(&mvm->mutex); |
1163 | } | |
1164 | ||
cbce62a3 MK |
1165 | void iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, |
1166 | enum ieee80211_reconfig_type reconfig_type) | |
cf2c92d8 EP |
1167 | { |
1168 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
1169 | ||
1170 | switch (reconfig_type) { | |
1171 | case IEEE80211_RECONFIG_TYPE_RESTART: | |
1172 | iwl_mvm_restart_complete(mvm); | |
1173 | break; | |
1174 | case IEEE80211_RECONFIG_TYPE_SUSPEND: | |
1175 | break; | |
1176 | } | |
1177 | } | |
1178 | ||
a0a09243 | 1179 | void __iwl_mvm_mac_stop(struct iwl_mvm *mvm) |
8ca151b5 | 1180 | { |
a0a09243 | 1181 | lockdep_assert_held(&mvm->mutex); |
7498cf4c | 1182 | |
b68bd2e3 IP |
1183 | iwl_mvm_ftm_initiator_smooth_stop(mvm); |
1184 | ||
91a8bcde JB |
1185 | /* firmware counters are obviously reset now, but we shouldn't |
1186 | * partially track so also clear the fw_reset_accu counters. | |
1187 | */ | |
1188 | memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); | |
1189 | ||
8ca151b5 JB |
1190 | /* async_handlers_wk is now blocked */ |
1191 | ||
971cbe50 | 1192 | if (iwl_fw_lookup_cmd_ver(mvm->fw, ADD_STA, 0) < 12) |
2c2c3647 | 1193 | iwl_mvm_rm_aux_sta(mvm); |
f327236d | 1194 | |
fcb6b92a | 1195 | iwl_mvm_stop_device(mvm); |
8ca151b5 JB |
1196 | |
1197 | iwl_mvm_async_handlers_purge(mvm); | |
1198 | /* async_handlers_list is empty and will stay empty: HW is stopped */ | |
1199 | ||
0a79a0c0 | 1200 | /* |
155f7e04 EG |
1201 | * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the |
1202 | * hw (as restart_complete() won't be called in this case) and mac80211 | |
1203 | * won't execute the restart. | |
8b2b9fbf AN |
1204 | * But make sure to cleanup interfaces that have gone down before/during |
1205 | * HW restart was requested. | |
0a79a0c0 | 1206 | */ |
155f7e04 EG |
1207 | if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || |
1208 | test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, | |
1209 | &mvm->status)) | |
8b2b9fbf AN |
1210 | ieee80211_iterate_interfaces(mvm->hw, 0, |
1211 | iwl_mvm_cleanup_iterator, mvm); | |
0a79a0c0 | 1212 | |
963221be AB |
1213 | /* We shouldn't have any UIDs still set. Loop over all the UIDs to |
1214 | * make sure there's nothing left there and warn if any is found. | |
1215 | */ | |
859d914c | 1216 | if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { |
963221be AB |
1217 | int i; |
1218 | ||
507e4cda | 1219 | for (i = 0; i < mvm->max_scans; i++) { |
6185af2a LC |
1220 | if (WARN_ONCE(mvm->scan_uid_status[i], |
1221 | "UMAC scan UID %d status was not cleaned\n", | |
1222 | i)) | |
1223 | mvm->scan_uid_status[i] = 0; | |
963221be AB |
1224 | } |
1225 | } | |
a0a09243 | 1226 | } |
bc44886d | 1227 | |
cbce62a3 | 1228 | void iwl_mvm_mac_stop(struct ieee80211_hw *hw) |
a0a09243 LC |
1229 | { |
1230 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
1231 | ||
a0a09243 | 1232 | flush_work(&mvm->async_handlers_wk); |
24afba76 | 1233 | flush_work(&mvm->add_stream_wk); |
771147b0 JB |
1234 | |
1235 | /* | |
1236 | * Lock and clear the firmware running bit here already, so that | |
1237 | * new commands coming in elsewhere, e.g. from debugfs, will not | |
1238 | * be able to proceed. This is important here because one of those | |
7174beb6 | 1239 | * debugfs files causes the firmware dump to be triggered, and if we |
771147b0 JB |
1240 | * don't stop debugfs accesses before canceling that it could be |
1241 | * retriggered after we flush it but before we've cleared the bit. | |
1242 | */ | |
1243 | clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); | |
1244 | ||
d3a108a4 | 1245 | cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); |
69e04642 | 1246 | cancel_delayed_work_sync(&mvm->scan_timeout_dwork); |
a0a09243 | 1247 | |
f9084775 NE |
1248 | /* |
1249 | * The work item could be running or queued if the | |
1250 | * ROC time event stops just as we get here. | |
1251 | */ | |
1252 | flush_work(&mvm->roc_done_wk); | |
1253 | ||
7ce1f215 EG |
1254 | iwl_mvm_mei_set_sw_rfkill_state(mvm); |
1255 | ||
a0a09243 LC |
1256 | mutex_lock(&mvm->mutex); |
1257 | __iwl_mvm_mac_stop(mvm); | |
8ca151b5 JB |
1258 | mutex_unlock(&mvm->mutex); |
1259 | ||
1260 | /* | |
1261 | * The worker might have been waiting for the mutex, let it run and | |
1262 | * discover that its list is now empty. | |
1263 | */ | |
1264 | cancel_work_sync(&mvm->async_handlers_wk); | |
1265 | } | |
1266 | ||
1ab26632 | 1267 | struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) |
fe0f2de3 IP |
1268 | { |
1269 | u16 i; | |
1270 | ||
1271 | lockdep_assert_held(&mvm->mutex); | |
1272 | ||
1273 | for (i = 0; i < NUM_PHY_CTX; i++) | |
1274 | if (!mvm->phy_ctxts[i].ref) | |
1275 | return &mvm->phy_ctxts[i]; | |
1276 | ||
1277 | IWL_ERR(mvm, "No available PHY context\n"); | |
1278 | return NULL; | |
1279 | } | |
1280 | ||
f551d013 GG |
1281 | int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, |
1282 | s16 tx_power) | |
d44c3fe6 | 1283 | { |
971cbe50 | 1284 | u32 cmd_id = REDUCE_TX_POWER_CMD; |
0791c2fc | 1285 | int len; |
216cdfb5 LC |
1286 | struct iwl_dev_tx_power_cmd cmd = { |
1287 | .common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), | |
1288 | .common.mac_context_id = | |
d44c3fe6 | 1289 | cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), |
216cdfb5 | 1290 | .common.pwr_restriction = cpu_to_le16(8 * tx_power), |
d44c3fe6 | 1291 | }; |
971cbe50 | 1292 | u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, |
e80bfd11 | 1293 | IWL_FW_CMD_VER_UNKNOWN); |
d44c3fe6 | 1294 | |
d44c3fe6 | 1295 | if (tx_power == IWL_DEFAULT_MAX_TX_POWER) |
216cdfb5 | 1296 | cmd.common.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); |
d44c3fe6 | 1297 | |
b0aa02b3 AB |
1298 | if (cmd_ver == 7) |
1299 | len = sizeof(cmd.v7); | |
1300 | else if (cmd_ver == 6) | |
fbb7957d LC |
1301 | len = sizeof(cmd.v6); |
1302 | else if (fw_has_api(&mvm->fw->ucode_capa, | |
1303 | IWL_UCODE_TLV_API_REDUCE_TX_POWER)) | |
0791c2fc HD |
1304 | len = sizeof(cmd.v5); |
1305 | else if (fw_has_capa(&mvm->fw->ucode_capa, | |
1306 | IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) | |
1307 | len = sizeof(cmd.v4); | |
1308 | else | |
216cdfb5 LC |
1309 | len = sizeof(cmd.v3); |
1310 | ||
1311 | /* all structs have the same common part, add it */ | |
1312 | len += sizeof(cmd.common); | |
da03f029 | 1313 | |
971cbe50 | 1314 | return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, len, &cmd); |
d44c3fe6 AA |
1315 | } |
1316 | ||
03117f30 MK |
1317 | int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, |
1318 | struct ieee80211_vif *vif) | |
f6780614 SS |
1319 | { |
1320 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1321 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
1322 | int ret; | |
1323 | ||
1324 | mutex_lock(&mvm->mutex); | |
1325 | ||
f6780614 SS |
1326 | if (vif->type == NL80211_IFTYPE_STATION) { |
1327 | struct iwl_mvm_sta *mvmsta; | |
1328 | ||
1329 | mvmvif->csa_bcn_pending = false; | |
1330 | mvmsta = iwl_mvm_sta_from_staid_protected(mvm, | |
650cadb7 | 1331 | mvmvif->deflink.ap_sta_id); |
f6780614 SS |
1332 | |
1333 | if (WARN_ON(!mvmsta)) { | |
1334 | ret = -EIO; | |
1335 | goto out_unlock; | |
1336 | } | |
1337 | ||
df720373 | 1338 | iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); |
03117f30 MK |
1339 | if (mvm->mld_api_is_used) |
1340 | iwl_mvm_mld_mac_ctxt_changed(mvm, vif, false); | |
1341 | else | |
1342 | iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); | |
f6780614 | 1343 | |
0202bcf0 EG |
1344 | if (!fw_has_capa(&mvm->fw->ucode_capa, |
1345 | IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { | |
1346 | ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); | |
1347 | if (ret) | |
1348 | goto out_unlock; | |
f6780614 | 1349 | |
0202bcf0 EG |
1350 | iwl_mvm_stop_session_protection(mvm, vif); |
1351 | } | |
f6780614 SS |
1352 | } |
1353 | ||
1354 | mvmvif->ps_disabled = false; | |
1355 | ||
1356 | ret = iwl_mvm_power_update_ps(mvm); | |
1357 | ||
1358 | out_unlock: | |
caf46377 SS |
1359 | if (mvmvif->csa_failed) |
1360 | ret = -EIO; | |
f6780614 SS |
1361 | mutex_unlock(&mvm->mutex); |
1362 | ||
1363 | return ret; | |
1364 | } | |
1365 | ||
cbce62a3 MK |
1366 | void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw, |
1367 | struct ieee80211_vif *vif) | |
f6780614 SS |
1368 | { |
1369 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
1370 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1371 | struct iwl_chan_switch_te_cmd cmd = { | |
1372 | .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, | |
1373 | mvmvif->color)), | |
1374 | .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE), | |
1375 | }; | |
1376 | ||
ad12b231 NE |
1377 | /* |
1378 | * In the new flow since FW is in charge of the timing, | |
1379 | * if driver has canceled the channel switch he will receive the | |
1380 | * CHANNEL_SWITCH_START_NOTIF notification from FW and then cancel it | |
1381 | */ | |
1382 | if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, | |
1383 | CHANNEL_SWITCH_ERROR_NOTIF, 0)) | |
1384 | return; | |
1385 | ||
f6780614 SS |
1386 | IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id); |
1387 | ||
1388 | mutex_lock(&mvm->mutex); | |
58ddd9b6 EG |
1389 | if (!fw_has_capa(&mvm->fw->ucode_capa, |
1390 | IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) | |
1391 | iwl_mvm_remove_csa_period(mvm, vif); | |
1392 | else | |
1393 | WARN_ON(iwl_mvm_send_cmd_pdu(mvm, | |
1394 | WIDE_ID(MAC_CONF_GROUP, | |
1395 | CHANNEL_SWITCH_TIME_EVENT_CMD), | |
1396 | 0, sizeof(cmd), &cmd)); | |
caf46377 | 1397 | mvmvif->csa_failed = true; |
f6780614 SS |
1398 | mutex_unlock(&mvm->mutex); |
1399 | ||
caf46377 | 1400 | iwl_mvm_post_channel_switch(hw, vif); |
f6780614 SS |
1401 | } |
1402 | ||
1ab26632 | 1403 | void iwl_mvm_channel_switch_disconnect_wk(struct work_struct *wk) |
f6780614 | 1404 | { |
f6780614 SS |
1405 | struct iwl_mvm_vif *mvmvif; |
1406 | struct ieee80211_vif *vif; | |
1407 | ||
1408 | mvmvif = container_of(wk, struct iwl_mvm_vif, csa_work.work); | |
1409 | vif = container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); | |
f6780614 | 1410 | |
70162580 | 1411 | /* Trigger disconnect (should clear the CSA state) */ |
f6780614 SS |
1412 | ieee80211_chswitch_done(vif, false); |
1413 | } | |
1414 | ||
5abf3154 MG |
1415 | static u8 |
1416 | iwl_mvm_chandef_get_primary_80(struct cfg80211_chan_def *chandef) | |
1417 | { | |
1418 | int data_start; | |
1419 | int control_start; | |
1420 | int bw; | |
1421 | ||
1422 | if (chandef->width == NL80211_CHAN_WIDTH_320) | |
1423 | bw = 320; | |
1424 | else if (chandef->width == NL80211_CHAN_WIDTH_160) | |
1425 | bw = 160; | |
1426 | else | |
1427 | return 0; | |
1428 | ||
1429 | /* data is bw wide so the start is half the width */ | |
1430 | data_start = chandef->center_freq1 - bw / 2; | |
1431 | /* control is 20Mhz width */ | |
1432 | control_start = chandef->chan->center_freq - 10; | |
1433 | ||
1434 | return (control_start - data_start) / 80; | |
1435 | } | |
1436 | ||
1ab26632 MK |
1437 | /* |
1438 | * Returns true if addding the interface is done | |
1439 | * (either with success or failure) | |
cb145863 JB |
1440 | * |
1441 | * FIXME: remove this again and merge it in | |
1ab26632 | 1442 | */ |
cb145863 JB |
1443 | static bool iwl_mvm_mac_add_interface_common(struct iwl_mvm *mvm, |
1444 | struct ieee80211_hw *hw, | |
1445 | struct ieee80211_vif *vif, | |
1446 | int *ret) | |
8ca151b5 | 1447 | { |
8ca151b5 | 1448 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
1ab26632 MK |
1449 | |
1450 | lockdep_assert_held(&mvm->mutex); | |
8ca151b5 | 1451 | |
aa5e1832 | 1452 | mvmvif->mvm = mvm; |
650cadb7 GG |
1453 | RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); |
1454 | ||
1455 | /* the first link always points to the default one */ | |
1456 | mvmvif->link[0] = &mvmvif->deflink; | |
aa5e1832 | 1457 | |
8ca151b5 JB |
1458 | /* |
1459 | * Not much to do here. The stack will not allow interface | |
1460 | * types or combinations that we didn't advertise, so we | |
1461 | * don't really have to check the types. | |
1462 | */ | |
1463 | ||
33cef925 JB |
1464 | /* make sure that beacon statistics don't go backwards with FW reset */ |
1465 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) | |
650cadb7 GG |
1466 | mvmvif->deflink.beacon_stats.accu_num_beacons += |
1467 | mvmvif->deflink.beacon_stats.num_beacons; | |
33cef925 | 1468 | |
e89044d7 | 1469 | /* Allocate resources for the MAC context, and add it to the fw */ |
1ab26632 MK |
1470 | *ret = iwl_mvm_mac_ctxt_init(mvm, vif); |
1471 | if (*ret) | |
1472 | return true; | |
8ca151b5 | 1473 | |
698478c4 SS |
1474 | rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); |
1475 | ||
8ca151b5 JB |
1476 | /* |
1477 | * The AP binding flow can be done only after the beacon | |
1478 | * template is configured (which happens only in the mac80211 | |
1479 | * start_ap() flow), and adding the broadcast station can happen | |
1480 | * only after the binding. | |
1481 | * In addition, since modifying the MAC before adding a bcast | |
1482 | * station is not allowed by the FW, delay the adding of MAC context to | |
1483 | * the point where we can also add the bcast station. | |
1484 | * In short: there's not much we can do at this point, other than | |
1485 | * allocating resources :) | |
1486 | */ | |
5023d966 JB |
1487 | if (vif->type == NL80211_IFTYPE_AP || |
1488 | vif->type == NL80211_IFTYPE_ADHOC) { | |
77740cb4 | 1489 | iwl_mvm_vif_dbgfs_register(mvm, vif); |
1ab26632 | 1490 | return true; |
8ca151b5 JB |
1491 | } |
1492 | ||
93190fb0 | 1493 | mvmvif->features |= hw->netdev_features; |
650cadb7 | 1494 | |
1ab26632 MK |
1495 | return false; |
1496 | } | |
1497 | ||
1498 | static int iwl_mvm_alloc_bcast_mcast_sta(struct iwl_mvm *mvm, | |
1499 | struct ieee80211_vif *vif) | |
1500 | { | |
1501 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1502 | int ret; | |
1503 | ||
1504 | lockdep_assert_held(&mvm->mutex); | |
1505 | ||
1506 | ret = iwl_mvm_alloc_bcast_sta(mvm, vif); | |
1507 | if (ret) { | |
1508 | IWL_ERR(mvm, "Failed to allocate bcast sta\n"); | |
1509 | return ret; | |
1510 | } | |
1511 | ||
1512 | /* | |
1513 | * Only queue for this station is the mcast queue, | |
1514 | * which shouldn't be in TFD mask anyway | |
1515 | */ | |
650cadb7 GG |
1516 | return iwl_mvm_allocate_int_sta(mvm, &mvmvif->deflink.mcast_sta, 0, |
1517 | vif->type, | |
1ab26632 MK |
1518 | IWL_STA_MULTICAST); |
1519 | } | |
1520 | ||
1521 | static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, | |
1522 | struct ieee80211_vif *vif) | |
1523 | { | |
1524 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
1525 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1526 | int ret; | |
1527 | ||
1528 | mutex_lock(&mvm->mutex); | |
1529 | ||
1530 | /* Common for MLD and non-MLD API */ | |
1531 | if (iwl_mvm_mac_add_interface_common(mvm, hw, vif, &ret)) | |
1532 | goto out; | |
93190fb0 | 1533 | |
8ca151b5 JB |
1534 | ret = iwl_mvm_mac_ctxt_add(mvm, vif); |
1535 | if (ret) | |
98c0de7b | 1536 | goto out_unlock; |
8ca151b5 | 1537 | |
999609f1 | 1538 | ret = iwl_mvm_power_update_mac(mvm); |
e5e7aa8e | 1539 | if (ret) |
fd66fc1c | 1540 | goto out_remove_mac; |
8ca151b5 | 1541 | |
7df15b1e | 1542 | /* beacon filtering */ |
a1022927 | 1543 | ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); |
bd3351ba EP |
1544 | if (ret) |
1545 | goto out_remove_mac; | |
1546 | ||
7df15b1e | 1547 | if (!mvm->bf_allowed_vif && |
73e5f2c5 | 1548 | vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { |
7df15b1e | 1549 | mvm->bf_allowed_vif = mvmvif; |
a20fd398 AO |
1550 | vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | |
1551 | IEEE80211_VIF_SUPPORTS_CQM_RSSI; | |
7df15b1e HG |
1552 | } |
1553 | ||
8ca151b5 JB |
1554 | /* |
1555 | * P2P_DEVICE interface does not have a channel context assigned to it, | |
1556 | * so a dedicated PHY context is allocated to it and the corresponding | |
1557 | * MAC context is bound to it at this stage. | |
1558 | */ | |
1559 | if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { | |
8ca151b5 | 1560 | |
650cadb7 GG |
1561 | mvmvif->deflink.phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); |
1562 | if (!mvmvif->deflink.phy_ctxt) { | |
fe0f2de3 | 1563 | ret = -ENOSPC; |
bd3351ba | 1564 | goto out_free_bf; |
fe0f2de3 | 1565 | } |
8ca151b5 | 1566 | |
650cadb7 | 1567 | iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt); |
8ca151b5 JB |
1568 | ret = iwl_mvm_binding_add_vif(mvm, vif); |
1569 | if (ret) | |
53a9d61e | 1570 | goto out_unref_phy; |
8ca151b5 | 1571 | |
d197358b | 1572 | ret = iwl_mvm_add_p2p_bcast_sta(mvm, vif); |
8ca151b5 JB |
1573 | if (ret) |
1574 | goto out_unbind; | |
1575 | ||
1576 | /* Save a pointer to p2p device vif, so it can later be used to | |
1577 | * update the p2p device MAC when a GO is started/stopped */ | |
1578 | mvm->p2p_device_vif = vif; | |
1579 | } | |
1580 | ||
b0ffe455 | 1581 | iwl_mvm_tcm_add_vif(mvm, vif); |
f6780614 SS |
1582 | INIT_DELAYED_WORK(&mvmvif->csa_work, |
1583 | iwl_mvm_channel_switch_disconnect_wk); | |
b0ffe455 | 1584 | |
5abf3154 | 1585 | if (vif->type == NL80211_IFTYPE_MONITOR) { |
baf41bc3 | 1586 | mvm->monitor_on = true; |
5abf3154 MG |
1587 | mvm->monitor_p80 = |
1588 | iwl_mvm_chandef_get_primary_80(&vif->bss_conf.chandef); | |
1589 | } | |
baf41bc3 | 1590 | |
63494374 | 1591 | iwl_mvm_vif_dbgfs_register(mvm, vif); |
6d19a5eb EG |
1592 | |
1593 | if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && | |
1594 | vif->type == NL80211_IFTYPE_STATION && !vif->p2p && | |
1595 | !mvm->csme_vif && mvm->mei_registered) { | |
1596 | iwl_mei_set_nic_info(vif->addr, mvm->nvm_data->hw_addr); | |
1597 | iwl_mei_set_netdev(ieee80211_vif_to_wdev(vif)->netdev); | |
1598 | mvm->csme_vif = vif; | |
1599 | } | |
1600 | ||
1ab26632 MK |
1601 | out: |
1602 | if (!ret && (vif->type == NL80211_IFTYPE_AP || | |
1603 | vif->type == NL80211_IFTYPE_ADHOC)) | |
1604 | ret = iwl_mvm_alloc_bcast_mcast_sta(mvm, vif); | |
1605 | ||
8ca151b5 JB |
1606 | goto out_unlock; |
1607 | ||
1608 | out_unbind: | |
1609 | iwl_mvm_binding_remove_vif(mvm, vif); | |
53a9d61e | 1610 | out_unref_phy: |
650cadb7 | 1611 | iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); |
bd3351ba EP |
1612 | out_free_bf: |
1613 | if (mvm->bf_allowed_vif == mvmvif) { | |
1614 | mvm->bf_allowed_vif = NULL; | |
a20fd398 AO |
1615 | vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | |
1616 | IEEE80211_VIF_SUPPORTS_CQM_RSSI); | |
bd3351ba | 1617 | } |
8ca151b5 | 1618 | out_remove_mac: |
650cadb7 | 1619 | mvmvif->deflink.phy_ctxt = NULL; |
8ca151b5 | 1620 | iwl_mvm_mac_ctxt_remove(mvm, vif); |
8ca151b5 JB |
1621 | out_unlock: |
1622 | mutex_unlock(&mvm->mutex); | |
1623 | ||
1624 | return ret; | |
1625 | } | |
1626 | ||
cb145863 JB |
1627 | void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, |
1628 | struct ieee80211_vif *vif) | |
8ca151b5 | 1629 | { |
8ca151b5 JB |
1630 | if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { |
1631 | /* | |
1632 | * Flush the ROC worker which will flush the OFFCHANNEL queue. | |
1633 | * We assume here that all the packets sent to the OFFCHANNEL | |
1634 | * queue are sent in ROC session. | |
1635 | */ | |
1636 | flush_work(&mvm->roc_done_wk); | |
8ca151b5 | 1637 | } |
38a12b5b JB |
1638 | } |
1639 | ||
60efeca1 MK |
1640 | /* This function is doing the common part of removing the interface for |
1641 | * both - MLD and non-MLD modes. Returns true if removing the interface | |
1642 | * is done | |
1643 | */ | |
cb145863 JB |
1644 | static bool iwl_mvm_mac_remove_interface_common(struct ieee80211_hw *hw, |
1645 | struct ieee80211_vif *vif) | |
38a12b5b JB |
1646 | { |
1647 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
1648 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
86e177d8 | 1649 | struct iwl_probe_resp_data *probe_data; |
38a12b5b JB |
1650 | |
1651 | iwl_mvm_prepare_mac_removal(mvm, vif); | |
8ca151b5 | 1652 | |
b0ffe455 JB |
1653 | if (!(vif->type == NL80211_IFTYPE_AP || |
1654 | vif->type == NL80211_IFTYPE_ADHOC)) | |
1655 | iwl_mvm_tcm_rm_vif(mvm, vif); | |
1656 | ||
8ca151b5 JB |
1657 | mutex_lock(&mvm->mutex); |
1658 | ||
6d19a5eb EG |
1659 | if (vif == mvm->csme_vif) { |
1660 | iwl_mei_set_netdev(NULL); | |
1661 | mvm->csme_vif = NULL; | |
1662 | } | |
1663 | ||
650cadb7 | 1664 | probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, |
86e177d8 | 1665 | lockdep_is_held(&mvm->mutex)); |
650cadb7 | 1666 | RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); |
86e177d8 GG |
1667 | if (probe_data) |
1668 | kfree_rcu(probe_data, rcu_head); | |
1669 | ||
7df15b1e HG |
1670 | if (mvm->bf_allowed_vif == mvmvif) { |
1671 | mvm->bf_allowed_vif = NULL; | |
a20fd398 AO |
1672 | vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | |
1673 | IEEE80211_VIF_SUPPORTS_CQM_RSSI); | |
7df15b1e HG |
1674 | } |
1675 | ||
b73f9a4a JB |
1676 | if (vif->bss_conf.ftm_responder) |
1677 | memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats)); | |
1678 | ||
63494374 JB |
1679 | iwl_mvm_vif_dbgfs_clean(mvm, vif); |
1680 | ||
8ca151b5 JB |
1681 | /* |
1682 | * For AP/GO interface, the tear down of the resources allocated to the | |
38a12b5b | 1683 | * interface is be handled as part of the stop_ap flow. |
8ca151b5 | 1684 | */ |
5023d966 JB |
1685 | if (vif->type == NL80211_IFTYPE_AP || |
1686 | vif->type == NL80211_IFTYPE_ADHOC) { | |
507cadf2 DS |
1687 | #ifdef CONFIG_NL80211_TESTMODE |
1688 | if (vif == mvm->noa_vif) { | |
1689 | mvm->noa_vif = NULL; | |
1690 | mvm->noa_duration = 0; | |
1691 | } | |
1692 | #endif | |
60efeca1 | 1693 | return true; |
8ca151b5 JB |
1694 | } |
1695 | ||
60efeca1 MK |
1696 | iwl_mvm_power_update_mac(mvm); |
1697 | return false; | |
1698 | } | |
1699 | ||
1700 | static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, | |
1701 | struct ieee80211_vif *vif) | |
1702 | { | |
1703 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
1704 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1705 | ||
1706 | if (iwl_mvm_mac_remove_interface_common(hw, vif)) | |
1707 | goto out; | |
1708 | ||
8ca151b5 JB |
1709 | if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { |
1710 | mvm->p2p_device_vif = NULL; | |
d197358b | 1711 | iwl_mvm_rm_p2p_bcast_sta(mvm, vif); |
8ca151b5 | 1712 | iwl_mvm_binding_remove_vif(mvm, vif); |
650cadb7 GG |
1713 | iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); |
1714 | mvmvif->deflink.phy_ctxt = NULL; | |
8ca151b5 JB |
1715 | } |
1716 | ||
8ca151b5 JB |
1717 | iwl_mvm_mac_ctxt_remove(mvm, vif); |
1718 | ||
698478c4 SS |
1719 | RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); |
1720 | ||
baf41bc3 ST |
1721 | if (vif->type == NL80211_IFTYPE_MONITOR) |
1722 | mvm->monitor_on = false; | |
1723 | ||
60efeca1 MK |
1724 | out: |
1725 | if (vif->type == NL80211_IFTYPE_AP || | |
1726 | vif->type == NL80211_IFTYPE_ADHOC) { | |
650cadb7 | 1727 | iwl_mvm_dealloc_int_sta(mvm, &mvmvif->deflink.mcast_sta); |
60efeca1 MK |
1728 | iwl_mvm_dealloc_bcast_sta(mvm, vif); |
1729 | } | |
1730 | ||
8ca151b5 JB |
1731 | mutex_unlock(&mvm->mutex); |
1732 | } | |
1733 | ||
e59647ea EP |
1734 | struct iwl_mvm_mc_iter_data { |
1735 | struct iwl_mvm *mvm; | |
1736 | int port_id; | |
1737 | }; | |
1738 | ||
1739 | static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, | |
1740 | struct ieee80211_vif *vif) | |
1741 | { | |
1742 | struct iwl_mvm_mc_iter_data *data = _data; | |
1743 | struct iwl_mvm *mvm = data->mvm; | |
1744 | struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; | |
97bce57b LC |
1745 | struct iwl_host_cmd hcmd = { |
1746 | .id = MCAST_FILTER_CMD, | |
1747 | .flags = CMD_ASYNC, | |
1748 | .dataflags[0] = IWL_HCMD_DFL_NOCOPY, | |
1749 | }; | |
e59647ea EP |
1750 | int ret, len; |
1751 | ||
1752 | /* if we don't have free ports, mcast frames will be dropped */ | |
1753 | if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) | |
1754 | return; | |
1755 | ||
1756 | if (vif->type != NL80211_IFTYPE_STATION || | |
f276e20b | 1757 | !vif->cfg.assoc) |
e59647ea EP |
1758 | return; |
1759 | ||
1760 | cmd->port_id = data->port_id++; | |
1761 | memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); | |
1762 | len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); | |
1763 | ||
97bce57b LC |
1764 | hcmd.len[0] = len; |
1765 | hcmd.data[0] = cmd; | |
1766 | ||
1767 | ret = iwl_mvm_send_cmd(mvm, &hcmd); | |
e59647ea EP |
1768 | if (ret) |
1769 | IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); | |
1770 | } | |
1771 | ||
1772 | static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) | |
1773 | { | |
1774 | struct iwl_mvm_mc_iter_data iter_data = { | |
1775 | .mvm = mvm, | |
88f2fd73 | 1776 | }; |
db66abee | 1777 | int ret; |
88f2fd73 | 1778 | |
e59647ea EP |
1779 | lockdep_assert_held(&mvm->mutex); |
1780 | ||
1781 | if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) | |
1782 | return; | |
1783 | ||
1c4abec0 | 1784 | ieee80211_iterate_active_interfaces_atomic( |
e59647ea EP |
1785 | mvm->hw, IEEE80211_IFACE_ITER_NORMAL, |
1786 | iwl_mvm_mc_iface_iterator, &iter_data); | |
db66abee JB |
1787 | |
1788 | /* | |
1789 | * Send a (synchronous) ech command so that we wait for the | |
1790 | * multiple asynchronous MCAST_FILTER_CMD commands sent by | |
1791 | * the interface iterator. Otherwise, we might get here over | |
1792 | * and over again (by userspace just sending a lot of these) | |
1793 | * and the CPU can send them faster than the firmware can | |
1794 | * process them. | |
1795 | * Note that the CPU is still faster - but with this we'll | |
1796 | * actually send fewer commands overall because the CPU will | |
1797 | * not schedule the work in mac80211 as frequently if it's | |
1798 | * still running when rescheduled (possibly multiple times). | |
1799 | */ | |
1800 | ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); | |
1801 | if (ret) | |
1802 | IWL_ERR(mvm, "Failed to synchronize multicast groups update\n"); | |
88f2fd73 MG |
1803 | } |
1804 | ||
cbce62a3 MK |
1805 | u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, |
1806 | struct netdev_hw_addr_list *mc_list) | |
8ca151b5 | 1807 | { |
e59647ea EP |
1808 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
1809 | struct iwl_mcast_filter_cmd *cmd; | |
1810 | struct netdev_hw_addr *addr; | |
f3bd58f4 MS |
1811 | int addr_count; |
1812 | bool pass_all; | |
e59647ea EP |
1813 | int len; |
1814 | ||
f3bd58f4 MS |
1815 | addr_count = netdev_hw_addr_list_count(mc_list); |
1816 | pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || | |
1817 | IWL_MVM_FW_MCAST_FILTER_PASS_ALL; | |
1818 | if (pass_all) | |
e59647ea | 1819 | addr_count = 0; |
e59647ea EP |
1820 | |
1821 | len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); | |
1822 | cmd = kzalloc(len, GFP_ATOMIC); | |
1823 | if (!cmd) | |
1824 | return 0; | |
1825 | ||
1826 | if (pass_all) { | |
1827 | cmd->pass_all = 1; | |
1828 | return (u64)(unsigned long)cmd; | |
1829 | } | |
1830 | ||
1831 | netdev_hw_addr_list_for_each(addr, mc_list) { | |
1832 | IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", | |
1833 | cmd->count, addr->addr); | |
1834 | memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], | |
1835 | addr->addr, ETH_ALEN); | |
1836 | cmd->count++; | |
1837 | } | |
1838 | ||
1839 | return (u64)(unsigned long)cmd; | |
8ca151b5 JB |
1840 | } |
1841 | ||
cbce62a3 MK |
1842 | void iwl_mvm_configure_filter(struct ieee80211_hw *hw, |
1843 | unsigned int changed_flags, | |
1844 | unsigned int *total_flags, u64 multicast) | |
8ca151b5 | 1845 | { |
e59647ea EP |
1846 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
1847 | struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; | |
8ca151b5 | 1848 | |
e59647ea | 1849 | mutex_lock(&mvm->mutex); |
51b6b9e0 | 1850 | |
e59647ea EP |
1851 | /* replace previous configuration */ |
1852 | kfree(mvm->mcast_filter_cmd); | |
1853 | mvm->mcast_filter_cmd = cmd; | |
51b6b9e0 | 1854 | |
e59647ea EP |
1855 | if (!cmd) |
1856 | goto out; | |
51b6b9e0 | 1857 | |
61e7d91b LC |
1858 | if (changed_flags & FIF_ALLMULTI) |
1859 | cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); | |
1860 | ||
1861 | if (cmd->pass_all) | |
1862 | cmd->count = 0; | |
1863 | ||
e59647ea EP |
1864 | iwl_mvm_recalc_multicast(mvm); |
1865 | out: | |
1866 | mutex_unlock(&mvm->mutex); | |
1867 | *total_flags = 0; | |
51b6b9e0 EG |
1868 | } |
1869 | ||
effd1929 AO |
1870 | static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, |
1871 | struct ieee80211_vif *vif, | |
1872 | unsigned int filter_flags, | |
1873 | unsigned int changed_flags) | |
1874 | { | |
1875 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
1876 | ||
1877 | /* We support only filter for probe requests */ | |
1878 | if (!(changed_flags & FIF_PROBE_REQ)) | |
1879 | return; | |
1880 | ||
1881 | /* Supported only for p2p client interfaces */ | |
f276e20b | 1882 | if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc || |
effd1929 AO |
1883 | !vif->p2p) |
1884 | return; | |
1885 | ||
1886 | mutex_lock(&mvm->mutex); | |
1887 | iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); | |
1888 | mutex_unlock(&mvm->mutex); | |
1889 | } | |
1890 | ||
a07a8f37 SS |
1891 | static int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, |
1892 | struct ieee80211_vif *vif) | |
1893 | { | |
1894 | struct iwl_mu_group_mgmt_cmd cmd = {}; | |
1895 | ||
1896 | memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, | |
1897 | WLAN_MEMBERSHIP_LEN); | |
1898 | memcpy(cmd.user_position, vif->bss_conf.mu_group.position, | |
1899 | WLAN_USER_POSITION_LEN); | |
1900 | ||
1901 | return iwl_mvm_send_cmd_pdu(mvm, | |
1902 | WIDE_ID(DATA_PATH_GROUP, | |
1903 | UPDATE_MU_GROUPS_CMD), | |
1904 | 0, sizeof(cmd), &cmd); | |
1905 | } | |
1906 | ||
f92659a1 SS |
1907 | static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, |
1908 | struct ieee80211_vif *vif) | |
1909 | { | |
d0a9123e | 1910 | if (vif->bss_conf.mu_mimo_owner) { |
f92659a1 SS |
1911 | struct iwl_mu_group_mgmt_notif *notif = _data; |
1912 | ||
1913 | /* | |
1914 | * MU-MIMO Group Id action frame is little endian. We treat | |
1915 | * the data received from firmware as if it came from the | |
1916 | * action frame, so no conversion is needed. | |
1917 | */ | |
afe0d181 | 1918 | ieee80211_update_mu_groups(vif, 0, |
f92659a1 SS |
1919 | (u8 *)¬if->membership_status, |
1920 | (u8 *)¬if->user_position); | |
1921 | } | |
1922 | } | |
1923 | ||
1924 | void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, | |
1925 | struct iwl_rx_cmd_buffer *rxb) | |
1926 | { | |
1927 | struct iwl_rx_packet *pkt = rxb_addr(rxb); | |
1928 | struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; | |
1929 | ||
1930 | ieee80211_iterate_active_interfaces_atomic( | |
1931 | mvm->hw, IEEE80211_IFACE_ITER_NORMAL, | |
1932 | iwl_mvm_mu_mimo_iface_iterator, notif); | |
1933 | } | |
1934 | ||
514c3069 LC |
1935 | static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) |
1936 | { | |
1937 | u8 byte_num = ppe_pos_bit / 8; | |
1938 | u8 bit_num = ppe_pos_bit % 8; | |
1939 | u8 residue_bits; | |
1940 | u8 res; | |
1941 | ||
1942 | if (bit_num <= 5) | |
1943 | return (ppe[byte_num] >> bit_num) & | |
1944 | (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); | |
1945 | ||
1946 | /* | |
1947 | * If bit_num > 5, we have to combine bits with next byte. | |
1948 | * Calculate how many bits we need to take from current byte (called | |
1949 | * here "residue_bits"), and add them to bits from next byte. | |
1950 | */ | |
1951 | ||
1952 | residue_bits = 8 - bit_num; | |
1953 | ||
1954 | res = (ppe[byte_num + 1] & | |
1955 | (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << | |
1956 | residue_bits; | |
1957 | res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); | |
1958 | ||
1959 | return res; | |
1960 | } | |
1961 | ||
091296d3 MK |
1962 | static void iwl_mvm_parse_ppe(struct iwl_mvm *mvm, |
1963 | struct iwl_he_pkt_ext_v2 *pkt_ext, u8 nss, | |
cb63eb43 MK |
1964 | u8 ru_index_bitmap, u8 *ppe, u8 ppe_pos_bit, |
1965 | bool inheritance) | |
091296d3 MK |
1966 | { |
1967 | int i; | |
1968 | ||
1969 | /* | |
1970 | * FW currently supports only nss == MAX_HE_SUPP_NSS | |
1971 | * | |
1972 | * If nss > MAX: we can ignore values we don't support | |
1973 | * If nss < MAX: we can set zeros in other streams | |
1974 | */ | |
1975 | if (nss > MAX_HE_SUPP_NSS) { | |
4d8421f2 JD |
1976 | IWL_DEBUG_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, |
1977 | MAX_HE_SUPP_NSS); | |
091296d3 MK |
1978 | nss = MAX_HE_SUPP_NSS; |
1979 | } | |
1980 | ||
1981 | for (i = 0; i < nss; i++) { | |
1982 | u8 ru_index_tmp = ru_index_bitmap << 1; | |
1983 | u8 low_th = IWL_HE_PKT_EXT_NONE, high_th = IWL_HE_PKT_EXT_NONE; | |
1984 | u8 bw; | |
1985 | ||
1986 | for (bw = 0; | |
1987 | bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); | |
1988 | bw++) { | |
1989 | ru_index_tmp >>= 1; | |
1990 | ||
cb63eb43 MK |
1991 | /* |
1992 | * According to the 11be spec, if for a specific BW the PPE Thresholds | |
1993 | * isn't present - it should inherit the thresholds from the last | |
1994 | * BW for which we had PPE Thresholds. In 11ax though, we don't have | |
1995 | * this inheritance - continue in this case | |
1996 | */ | |
1997 | if (!(ru_index_tmp & 1)) { | |
1998 | if (inheritance) | |
1999 | goto set_thresholds; | |
2000 | else | |
2001 | continue; | |
2002 | } | |
091296d3 MK |
2003 | |
2004 | high_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); | |
2005 | ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; | |
2006 | low_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); | |
2007 | ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; | |
2008 | ||
cb63eb43 | 2009 | set_thresholds: |
091296d3 MK |
2010 | pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; |
2011 | pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; | |
2012 | } | |
2013 | } | |
2014 | } | |
2015 | ||
2016 | static void iwl_mvm_set_pkt_ext_from_he_ppe(struct iwl_mvm *mvm, | |
2017 | struct ieee80211_sta *sta, | |
cb63eb43 MK |
2018 | struct iwl_he_pkt_ext_v2 *pkt_ext, |
2019 | bool inheritance) | |
091296d3 | 2020 | { |
046d2e7c S |
2021 | u8 nss = (sta->deflink.he_cap.ppe_thres[0] & IEEE80211_PPE_THRES_NSS_MASK) + 1; |
2022 | u8 *ppe = &sta->deflink.he_cap.ppe_thres[0]; | |
091296d3 MK |
2023 | u8 ru_index_bitmap = |
2024 | u8_get_bits(*ppe, | |
2025 | IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK); | |
2026 | /* Starting after PPE header */ | |
2027 | u8 ppe_pos_bit = IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE; | |
2028 | ||
cb63eb43 MK |
2029 | iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, ppe, ppe_pos_bit, |
2030 | inheritance); | |
091296d3 MK |
2031 | } |
2032 | ||
4df6a075 MK |
2033 | static int |
2034 | iwl_mvm_set_pkt_ext_from_nominal_padding(struct iwl_he_pkt_ext_v2 *pkt_ext, | |
2035 | u8 nominal_padding) | |
091296d3 MK |
2036 | { |
2037 | int low_th = -1; | |
2038 | int high_th = -1; | |
2039 | int i; | |
2040 | ||
cb63eb43 | 2041 | /* all the macros are the same for EHT and HE */ |
091296d3 | 2042 | switch (nominal_padding) { |
cb63eb43 | 2043 | case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US: |
091296d3 MK |
2044 | low_th = IWL_HE_PKT_EXT_NONE; |
2045 | high_th = IWL_HE_PKT_EXT_NONE; | |
2046 | break; | |
cb63eb43 | 2047 | case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US: |
091296d3 MK |
2048 | low_th = IWL_HE_PKT_EXT_BPSK; |
2049 | high_th = IWL_HE_PKT_EXT_NONE; | |
2050 | break; | |
cb63eb43 MK |
2051 | case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US: |
2052 | case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US: | |
091296d3 MK |
2053 | low_th = IWL_HE_PKT_EXT_NONE; |
2054 | high_th = IWL_HE_PKT_EXT_BPSK; | |
2055 | break; | |
2056 | } | |
2057 | ||
4df6a075 MK |
2058 | if (low_th < 0 || high_th < 0) |
2059 | return -EINVAL; | |
2060 | ||
091296d3 | 2061 | /* Set the PPE thresholds accordingly */ |
4df6a075 MK |
2062 | for (i = 0; i < MAX_HE_SUPP_NSS; i++) { |
2063 | u8 bw; | |
091296d3 | 2064 | |
4df6a075 MK |
2065 | for (bw = 0; |
2066 | bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); | |
2067 | bw++) { | |
2068 | pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; | |
2069 | pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; | |
2070 | } | |
091296d3 | 2071 | } |
4df6a075 MK |
2072 | |
2073 | return 0; | |
091296d3 MK |
2074 | } |
2075 | ||
cb63eb43 MK |
2076 | static void iwl_mvm_get_optimal_ppe_info(struct iwl_he_pkt_ext_v2 *pkt_ext, |
2077 | u8 nominal_padding) | |
2078 | { | |
2079 | int i; | |
2080 | ||
2081 | for (i = 0; i < MAX_HE_SUPP_NSS; i++) { | |
2082 | u8 bw; | |
2083 | ||
2084 | for (bw = 0; bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); | |
2085 | bw++) { | |
2086 | u8 *qam_th = &pkt_ext->pkt_ext_qam_th[i][bw][0]; | |
2087 | ||
2088 | if (nominal_padding > | |
2089 | IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && | |
2090 | qam_th[1] == IWL_HE_PKT_EXT_NONE) | |
2091 | qam_th[1] = IWL_HE_PKT_EXT_4096QAM; | |
2092 | else if (nominal_padding == | |
2093 | IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && | |
2094 | qam_th[0] == IWL_HE_PKT_EXT_NONE && | |
2095 | qam_th[1] == IWL_HE_PKT_EXT_NONE) | |
2096 | qam_th[0] = IWL_HE_PKT_EXT_4096QAM; | |
2097 | } | |
2098 | } | |
2099 | } | |
2100 | ||
4df6a075 | 2101 | /* Set the pkt_ext field according to PPE Thresholds element */ |
87f7e243 MK |
2102 | int iwl_mvm_set_sta_pkt_ext(struct iwl_mvm *mvm, struct ieee80211_sta *sta, |
2103 | struct iwl_he_pkt_ext_v2 *pkt_ext) | |
4df6a075 MK |
2104 | { |
2105 | u8 nominal_padding; | |
2106 | int i, ret = 0; | |
2107 | ||
2108 | /* Initialize the PPE thresholds to "None" (7), as described in Table | |
2109 | * 9-262ac of 80211.ax/D3.0. | |
2110 | */ | |
2111 | memset(pkt_ext, IWL_HE_PKT_EXT_NONE, | |
2112 | sizeof(struct iwl_he_pkt_ext_v2)); | |
2113 | ||
2114 | if (sta->deflink.eht_cap.has_eht) { | |
2115 | nominal_padding = | |
2116 | u8_get_bits(sta->deflink.eht_cap.eht_cap_elem.phy_cap_info[5], | |
2117 | IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK); | |
2118 | ||
2119 | /* If PPE Thresholds exists, parse them into a FW-familiar | |
2120 | * format. | |
2121 | */ | |
2122 | if (sta->deflink.eht_cap.eht_cap_elem.phy_cap_info[5] & | |
2123 | IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) { | |
2124 | u8 nss = (sta->deflink.eht_cap.eht_ppe_thres[0] & | |
2125 | IEEE80211_EHT_PPE_THRES_NSS_MASK) + 1; | |
2126 | u8 *ppe = &sta->deflink.eht_cap.eht_ppe_thres[0]; | |
2127 | u8 ru_index_bitmap = | |
2128 | u16_get_bits(*ppe, | |
2129 | IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK); | |
2130 | /* Starting after PPE header */ | |
2131 | u8 ppe_pos_bit = IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE; | |
2132 | ||
2133 | iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, | |
2134 | ppe, ppe_pos_bit, true); | |
2135 | /* EHT PPE Thresholds doesn't exist - set the API according | |
2136 | * to HE PPE Tresholds | |
2137 | */ | |
2138 | } else if (sta->deflink.he_cap.he_cap_elem.phy_cap_info[6] & | |
2139 | IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { | |
2140 | /* Even though HE Capabilities IE doesn't contain PPE | |
2141 | * Thresholds for BW 320Mhz, thresholds for this BW will | |
2142 | * be filled in with the same values as 160Mhz, due to | |
2143 | * the inheritance, as required. | |
2144 | */ | |
2145 | iwl_mvm_set_pkt_ext_from_he_ppe(mvm, sta, pkt_ext, | |
2146 | true); | |
2147 | ||
2148 | /* According to the requirements, for MCSs 12-13 the | |
2149 | * maximum value between HE PPE Threshold and Common | |
2150 | * Nominal Packet Padding needs to be taken | |
2151 | */ | |
2152 | iwl_mvm_get_optimal_ppe_info(pkt_ext, nominal_padding); | |
2153 | ||
2154 | /* if PPE Thresholds doesn't present in both EHT IE and HE IE - | |
2155 | * take the Thresholds from Common Nominal Packet Padding field | |
2156 | */ | |
2157 | } else { | |
2158 | ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, | |
2159 | nominal_padding); | |
2160 | } | |
2161 | } else if (sta->deflink.he_cap.has_he) { | |
2162 | /* If PPE Thresholds exist, parse them into a FW-familiar format. */ | |
2163 | if (sta->deflink.he_cap.he_cap_elem.phy_cap_info[6] & | |
2164 | IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { | |
2165 | iwl_mvm_set_pkt_ext_from_he_ppe(mvm, sta, pkt_ext, | |
2166 | false); | |
2167 | /* PPE Thresholds doesn't exist - set the API PPE values | |
2168 | * according to Common Nominal Packet Padding field. | |
2169 | */ | |
2170 | } else { | |
2171 | nominal_padding = | |
2172 | u8_get_bits(sta->deflink.he_cap.he_cap_elem.phy_cap_info[9], | |
2173 | IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); | |
2174 | if (nominal_padding != IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED) | |
2175 | ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, | |
2176 | nominal_padding); | |
2177 | } | |
2178 | } | |
2179 | ||
2180 | for (i = 0; i < MAX_HE_SUPP_NSS; i++) { | |
2181 | int bw; | |
2182 | ||
2183 | for (bw = 0; | |
2184 | bw < ARRAY_SIZE(*pkt_ext->pkt_ext_qam_th[i]); | |
2185 | bw++) { | |
2186 | u8 *qam_th = | |
2187 | &pkt_ext->pkt_ext_qam_th[i][bw][0]; | |
2188 | ||
2189 | IWL_DEBUG_HT(mvm, | |
2190 | "PPE table: nss[%d] bw[%d] PPET8 = %d, PPET16 = %d\n", | |
2191 | i, bw, qam_th[0], qam_th[1]); | |
2192 | } | |
2193 | } | |
2194 | return ret; | |
2195 | } | |
2196 | ||
9c4f15ca MK |
2197 | /* |
2198 | * This function sets the MU EDCA parameters ans returns whether MU EDCA | |
2199 | * is enabled or not | |
2200 | */ | |
55eb1c5f MK |
2201 | bool iwl_mvm_set_fw_mu_edca_params(struct iwl_mvm *mvm, |
2202 | struct iwl_mvm_vif *mvmvif, | |
2203 | struct iwl_he_backoff_conf *trig_based_txf) | |
9c4f15ca MK |
2204 | { |
2205 | int i; | |
2206 | /* Mark MU EDCA as enabled, unless none detected on some AC */ | |
2207 | bool mu_edca_enabled = true; | |
2208 | ||
2209 | for (i = 0; i < IEEE80211_NUM_ACS; i++) { | |
2210 | struct ieee80211_he_mu_edca_param_ac_rec *mu_edca = | |
650cadb7 | 2211 | &mvmvif->deflink.queue_params[i].mu_edca_param_rec; |
9c4f15ca MK |
2212 | u8 ac = iwl_mvm_mac80211_ac_to_ucode_ac(i); |
2213 | ||
650cadb7 | 2214 | if (!mvmvif->deflink.queue_params[i].mu_edca) { |
9c4f15ca MK |
2215 | mu_edca_enabled = false; |
2216 | break; | |
2217 | } | |
2218 | ||
2219 | trig_based_txf[ac].cwmin = | |
2220 | cpu_to_le16(mu_edca->ecw_min_max & 0xf); | |
2221 | trig_based_txf[ac].cwmax = | |
2222 | cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); | |
2223 | trig_based_txf[ac].aifsn = | |
2224 | cpu_to_le16(mu_edca->aifsn & 0xf); | |
2225 | trig_based_txf[ac].mu_time = | |
2226 | cpu_to_le16(mu_edca->mu_edca_timer); | |
2227 | } | |
2228 | ||
2229 | return mu_edca_enabled; | |
2230 | } | |
2231 | ||
9be162a7 | 2232 | bool iwl_mvm_is_nic_ack_enabled(struct iwl_mvm *mvm, struct ieee80211_vif *vif) |
9c4f15ca MK |
2233 | { |
2234 | const struct ieee80211_supported_band *sband; | |
2235 | const struct ieee80211_sta_he_cap *own_he_cap = NULL; | |
2236 | ||
2237 | /* This capability is the same for all bands, | |
2238 | * so take it from one of them. | |
2239 | */ | |
2240 | sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; | |
2241 | own_he_cap = ieee80211_get_he_iftype_cap(sband, | |
2242 | ieee80211_vif_type_p2p(vif)); | |
2243 | ||
2244 | return (own_he_cap && (own_he_cap->he_cap_elem.mac_cap_info[2] & | |
2245 | IEEE80211_HE_MAC_CAP2_ACK_EN)); | |
2246 | } | |
2247 | ||
87f7e243 | 2248 | __le32 iwl_mvm_get_sta_htc_flags(struct ieee80211_sta *sta) |
4df6a075 MK |
2249 | { |
2250 | u8 *mac_cap_info = &sta->deflink.he_cap.he_cap_elem.mac_cap_info[0]; | |
2251 | __le32 htc_flags = 0; | |
2252 | ||
2253 | if (mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) | |
2254 | htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); | |
2255 | if ((mac_cap_info[1] & IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || | |
2256 | (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { | |
2257 | u8 link_adap = | |
2258 | ((mac_cap_info[2] & | |
2259 | IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + | |
2260 | (mac_cap_info[1] & | |
2261 | IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); | |
2262 | ||
2263 | if (link_adap == 2) | |
2264 | htc_flags |= | |
2265 | cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); | |
2266 | else if (link_adap == 3) | |
2267 | htc_flags |= cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); | |
2268 | } | |
2269 | if (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) | |
2270 | htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); | |
2271 | if (mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL) | |
2272 | htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); | |
2273 | if (mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) | |
2274 | htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); | |
2275 | ||
2276 | return htc_flags; | |
2277 | } | |
2278 | ||
514c3069 LC |
2279 | static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, |
2280 | struct ieee80211_vif *vif, u8 sta_id) | |
2281 | { | |
2282 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
42506dd2 | 2283 | struct iwl_he_sta_context_cmd_v3 sta_ctxt_cmd = { |
514c3069 LC |
2284 | .sta_id = sta_id, |
2285 | .tid_limit = IWL_MAX_TID_COUNT, | |
dd56e902 | 2286 | .bss_color = vif->bss_conf.he_bss_color.color, |
514c3069 LC |
2287 | .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, |
2288 | .frame_time_rts_th = | |
2289 | cpu_to_le16(vif->bss_conf.frame_time_rts_th), | |
2290 | }; | |
42506dd2 JB |
2291 | struct iwl_he_sta_context_cmd_v2 sta_ctxt_cmd_v2 = {}; |
2292 | u32 cmd_id = WIDE_ID(DATA_PATH_GROUP, STA_HE_CTXT_CMD); | |
2293 | u8 ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 2); | |
2294 | int size; | |
514c3069 LC |
2295 | struct ieee80211_sta *sta; |
2296 | u32 flags; | |
2297 | int i; | |
42506dd2 JB |
2298 | void *cmd; |
2299 | ||
2300 | if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_MBSSID_HE)) | |
2301 | ver = 1; | |
2302 | ||
2303 | switch (ver) { | |
2304 | case 1: | |
2305 | /* same layout as v2 except some data at the end */ | |
2306 | cmd = &sta_ctxt_cmd_v2; | |
2307 | size = sizeof(struct iwl_he_sta_context_cmd_v1); | |
2308 | break; | |
2309 | case 2: | |
2310 | cmd = &sta_ctxt_cmd_v2; | |
2311 | size = sizeof(struct iwl_he_sta_context_cmd_v2); | |
2312 | break; | |
2313 | case 3: | |
2314 | cmd = &sta_ctxt_cmd; | |
2315 | size = sizeof(struct iwl_he_sta_context_cmd_v3); | |
2316 | break; | |
2317 | default: | |
2318 | IWL_ERR(mvm, "bad STA_HE_CTXT_CMD version %d\n", ver); | |
2319 | return; | |
2320 | } | |
514c3069 LC |
2321 | |
2322 | rcu_read_lock(); | |
2323 | ||
2324 | sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); | |
12d47f0e | 2325 | if (IS_ERR_OR_NULL(sta)) { |
514c3069 LC |
2326 | rcu_read_unlock(); |
2327 | WARN(1, "Can't find STA to configure HE\n"); | |
2328 | return; | |
2329 | } | |
2330 | ||
046d2e7c | 2331 | if (!sta->deflink.he_cap.has_he) { |
514c3069 LC |
2332 | rcu_read_unlock(); |
2333 | return; | |
2334 | } | |
2335 | ||
2336 | flags = 0; | |
2337 | ||
4f58121d | 2338 | /* Block 26-tone RU OFDMA transmissions */ |
650cadb7 | 2339 | if (mvmvif->deflink.he_ru_2mhz_block) |
4f58121d IP |
2340 | flags |= STA_CTXT_HE_RU_2MHZ_BLOCK; |
2341 | ||
514c3069 | 2342 | /* HTC flags */ |
4df6a075 | 2343 | sta_ctxt_cmd.htc_flags = iwl_mvm_get_sta_htc_flags(sta); |
514c3069 | 2344 | |
4df6a075 MK |
2345 | /* PPE Thresholds */ |
2346 | if (!iwl_mvm_set_sta_pkt_ext(mvm, sta, &sta_ctxt_cmd.pkt_ext)) | |
2347 | flags |= STA_CTXT_HE_PACKET_EXT; | |
73f23d91 | 2348 | |
046d2e7c | 2349 | if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & |
73f23d91 ST |
2350 | IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP) |
2351 | flags |= STA_CTXT_HE_32BIT_BA_BITMAP; | |
2352 | ||
046d2e7c | 2353 | if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & |
73f23d91 ST |
2354 | IEEE80211_HE_MAC_CAP2_ACK_EN) |
2355 | flags |= STA_CTXT_HE_ACK_ENABLED; | |
2356 | ||
514c3069 LC |
2357 | rcu_read_unlock(); |
2358 | ||
9c4f15ca MK |
2359 | if (iwl_mvm_set_fw_mu_edca_params(mvm, mvmvif, |
2360 | &sta_ctxt_cmd.trig_based_txf[0])) | |
2361 | flags |= STA_CTXT_HE_MU_EDCA_CW; | |
514c3069 LC |
2362 | |
2363 | if (vif->bss_conf.uora_exists) { | |
2364 | flags |= STA_CTXT_HE_TRIG_RND_ALLOC; | |
2365 | ||
2366 | sta_ctxt_cmd.rand_alloc_ecwmin = | |
2367 | vif->bss_conf.uora_ocw_range & 0x7; | |
2368 | sta_ctxt_cmd.rand_alloc_ecwmax = | |
2369 | (vif->bss_conf.uora_ocw_range >> 3) & 0x7; | |
2370 | } | |
2371 | ||
9c4f15ca | 2372 | if (!iwl_mvm_is_nic_ack_enabled(mvm, vif)) |
ee1a02d7 ST |
2373 | flags |= STA_CTXT_HE_NIC_NOT_ACK_ENABLED; |
2374 | ||
918cbf39 SS |
2375 | if (vif->bss_conf.nontransmitted) { |
2376 | flags |= STA_CTXT_HE_REF_BSSID_VALID; | |
2377 | ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr, | |
2378 | vif->bss_conf.transmitter_bssid); | |
d14ae796 SS |
2379 | sta_ctxt_cmd.max_bssid_indicator = |
2380 | vif->bss_conf.bssid_indicator; | |
2381 | sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index; | |
2382 | sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap; | |
2383 | sta_ctxt_cmd.profile_periodicity = | |
2384 | vif->bss_conf.profile_periodicity; | |
918cbf39 | 2385 | } |
514c3069 LC |
2386 | |
2387 | sta_ctxt_cmd.flags = cpu_to_le32(flags); | |
2388 | ||
42506dd2 JB |
2389 | if (ver < 3) { |
2390 | /* fields before pkt_ext */ | |
2391 | BUILD_BUG_ON(offsetof(typeof(sta_ctxt_cmd), pkt_ext) != | |
2392 | offsetof(typeof(sta_ctxt_cmd_v2), pkt_ext)); | |
2393 | memcpy(&sta_ctxt_cmd_v2, &sta_ctxt_cmd, | |
2394 | offsetof(typeof(sta_ctxt_cmd), pkt_ext)); | |
2395 | ||
2396 | /* pkt_ext */ | |
2397 | for (i = 0; | |
2398 | i < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th); | |
2399 | i++) { | |
2400 | u8 bw; | |
2401 | ||
2402 | for (bw = 0; | |
2403 | bw < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i]); | |
2404 | bw++) { | |
2405 | BUILD_BUG_ON(sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw]) != | |
2406 | sizeof(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw])); | |
2407 | ||
2408 | memcpy(&sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw], | |
2409 | &sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw], | |
2410 | sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw])); | |
2411 | } | |
2412 | } | |
2413 | ||
2414 | /* fields after pkt_ext */ | |
2415 | BUILD_BUG_ON(sizeof(sta_ctxt_cmd) - | |
2416 | offsetofend(typeof(sta_ctxt_cmd), pkt_ext) != | |
2417 | sizeof(sta_ctxt_cmd_v2) - | |
2418 | offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext)); | |
2419 | memcpy((u8 *)&sta_ctxt_cmd_v2 + | |
2420 | offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext), | |
2421 | (u8 *)&sta_ctxt_cmd + | |
2422 | offsetofend(typeof(sta_ctxt_cmd), pkt_ext), | |
2423 | sizeof(sta_ctxt_cmd) - | |
2424 | offsetofend(typeof(sta_ctxt_cmd), pkt_ext)); | |
2425 | sta_ctxt_cmd_v2.reserved3 = 0; | |
2426 | } | |
2427 | ||
2428 | if (iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, size, cmd)) | |
514c3069 LC |
2429 | IWL_ERR(mvm, "Failed to config FW to work HE!\n"); |
2430 | } | |
2431 | ||
660eba5a MK |
2432 | void iwl_mvm_protect_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, |
2433 | u32 duration_override) | |
af84ac57 JB |
2434 | { |
2435 | u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; | |
2436 | u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; | |
2437 | ||
2438 | if (duration_override > duration) | |
2439 | duration = duration_override; | |
2440 | ||
2441 | /* Try really hard to protect the session and hear a beacon | |
2442 | * The new session protection command allows us to protect the | |
2443 | * session for a much longer time since the firmware will internally | |
2444 | * create two events: a 300TU one with a very high priority that | |
2445 | * won't be fragmented which should be enough for 99% of the cases, | |
2446 | * and another one (which we configure here to be 900TU long) which | |
2447 | * will have a slightly lower priority, but more importantly, can be | |
2448 | * fragmented so that it'll allow other activities to run. | |
2449 | */ | |
2450 | if (fw_has_capa(&mvm->fw->ucode_capa, | |
2451 | IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) | |
2452 | iwl_mvm_schedule_session_protection(mvm, vif, 900, | |
2453 | min_duration, false); | |
2454 | else | |
2455 | iwl_mvm_protect_session(mvm, vif, duration, | |
2456 | min_duration, 500, false); | |
2457 | } | |
2458 | ||
660eba5a MK |
2459 | /* Handle association common part to MLD and non-MLD modes */ |
2460 | void iwl_mvm_bss_info_changed_station_assoc(struct iwl_mvm *mvm, | |
2461 | struct ieee80211_vif *vif, | |
2462 | u64 changes) | |
2463 | { | |
2464 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
2465 | int ret; | |
2466 | ||
2467 | /* The firmware tracks the MU-MIMO group on its own. | |
2468 | * However, on HW restart we should restore this data. | |
2469 | */ | |
2470 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && | |
2471 | (changes & BSS_CHANGED_MU_GROUPS) && vif->bss_conf.mu_mimo_owner) { | |
2472 | ret = iwl_mvm_update_mu_groups(mvm, vif); | |
2473 | if (ret) | |
2474 | IWL_ERR(mvm, | |
2475 | "failed to update VHT MU_MIMO groups\n"); | |
2476 | } | |
2477 | ||
2478 | iwl_mvm_recalc_multicast(mvm); | |
2479 | ||
2480 | /* reset rssi values */ | |
2481 | mvmvif->bf_data.ave_beacon_signal = 0; | |
2482 | ||
2483 | iwl_mvm_bt_coex_vif_change(mvm); | |
1a3e7039 GG |
2484 | iwl_mvm_update_smps_on_active_links(mvm, vif, IWL_MVM_SMPS_REQ_TT, |
2485 | IEEE80211_SMPS_AUTOMATIC); | |
660eba5a MK |
2486 | if (fw_has_capa(&mvm->fw->ucode_capa, |
2487 | IWL_UCODE_TLV_CAPA_UMAC_SCAN)) | |
2488 | iwl_mvm_config_scan(mvm); | |
2489 | } | |
2490 | ||
2491 | /* Execute the common part for MLD and non-MLD modes */ | |
1a3e7039 GG |
2492 | void |
2493 | iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm, | |
2494 | struct ieee80211_vif *vif, | |
2495 | struct ieee80211_bss_conf *link_conf, | |
2496 | u64 changes) | |
660eba5a MK |
2497 | { |
2498 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
2499 | int ret; | |
2500 | ||
2501 | if (changes & BSS_CHANGED_BEACON_INFO) { | |
2502 | /* We received a beacon from the associated AP so | |
2503 | * remove the session protection. | |
2504 | */ | |
2505 | iwl_mvm_stop_session_protection(mvm, vif); | |
2506 | ||
2507 | iwl_mvm_sf_update(mvm, vif, false); | |
2508 | WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); | |
2509 | } | |
2510 | ||
2511 | if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | | |
2512 | /* Send power command on every beacon change, | |
2513 | * because we may have not enabled beacon abort yet. | |
2514 | */ | |
2515 | BSS_CHANGED_BEACON_INFO)) { | |
2516 | ret = iwl_mvm_power_update_mac(mvm); | |
2517 | if (ret) | |
2518 | IWL_ERR(mvm, "failed to update power mode\n"); | |
2519 | } | |
2520 | ||
2521 | if (changes & BSS_CHANGED_CQM) { | |
2522 | IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n"); | |
2523 | /* reset cqm events tracking */ | |
2524 | mvmvif->bf_data.last_cqm_event = 0; | |
2525 | if (mvmvif->bf_data.bf_enabled) { | |
2526 | ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); | |
2527 | if (ret) | |
2528 | IWL_ERR(mvm, | |
2529 | "failed to update CQM thresholds\n"); | |
2530 | } | |
2531 | } | |
2532 | ||
2533 | if (changes & BSS_CHANGED_BANDWIDTH) | |
1a3e7039 | 2534 | iwl_mvm_update_link_smps(vif, link_conf); |
660eba5a MK |
2535 | } |
2536 | ||
8ca151b5 JB |
2537 | static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, |
2538 | struct ieee80211_vif *vif, | |
2539 | struct ieee80211_bss_conf *bss_conf, | |
7b7090b4 | 2540 | u64 changes) |
8ca151b5 JB |
2541 | { |
2542 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
2543 | int ret; | |
2544 | ||
6e97b0d2 | 2545 | /* |
cdaba917 EG |
2546 | * Re-calculate the tsf id, as the leader-follower relations depend |
2547 | * on the beacon interval, which was not known when the station | |
2548 | * interface was added. | |
6e97b0d2 | 2549 | */ |
f276e20b | 2550 | if (changes & BSS_CHANGED_ASSOC && vif->cfg.assoc) { |
cb63eb43 MK |
2551 | if ((vif->bss_conf.he_support && |
2552 | !iwlwifi_mod_params.disable_11ax) || | |
2553 | (vif->bss_conf.eht_support && | |
2554 | !iwlwifi_mod_params.disable_11be)) | |
650cadb7 | 2555 | iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); |
514c3069 | 2556 | |
6e97b0d2 | 2557 | iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); |
514c3069 | 2558 | } |
6e97b0d2 | 2559 | |
40ecdd01 ST |
2560 | /* Update MU EDCA params */ |
2561 | if (changes & BSS_CHANGED_QOS && mvmvif->associated && | |
cb63eb43 MK |
2562 | vif->cfg.assoc && |
2563 | ((vif->bss_conf.he_support && | |
2564 | !iwlwifi_mod_params.disable_11ax) || | |
2565 | (vif->bss_conf.eht_support && | |
2566 | !iwlwifi_mod_params.disable_11be))) | |
650cadb7 | 2567 | iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); |
40ecdd01 | 2568 | |
3dfd3a97 JB |
2569 | /* |
2570 | * If we're not associated yet, take the (new) BSSID before associating | |
2571 | * so the firmware knows. If we're already associated, then use the old | |
2572 | * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC | |
2573 | * branch for disassociation below. | |
2574 | */ | |
2575 | if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) | |
650cadb7 | 2576 | memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); |
3dfd3a97 | 2577 | |
650cadb7 | 2578 | ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->deflink.bssid); |
8ca151b5 JB |
2579 | if (ret) |
2580 | IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); | |
2581 | ||
3dfd3a97 | 2582 | /* after sending it once, adopt mac80211 data */ |
650cadb7 | 2583 | memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); |
f276e20b | 2584 | mvmvif->associated = vif->cfg.assoc; |
3dfd3a97 | 2585 | |
8ca151b5 | 2586 | if (changes & BSS_CHANGED_ASSOC) { |
f276e20b | 2587 | if (vif->cfg.assoc) { |
33cef925 JB |
2588 | /* clear statistics to get clean beacon counter */ |
2589 | iwl_mvm_request_statistics(mvm, true); | |
650cadb7 GG |
2590 | memset(&mvmvif->deflink.beacon_stats, 0, |
2591 | sizeof(mvmvif->deflink.beacon_stats)); | |
33cef925 | 2592 | |
8ca151b5 | 2593 | /* add quota for this interface */ |
7754ae79 | 2594 | ret = iwl_mvm_update_quotas(mvm, true, NULL); |
8ca151b5 JB |
2595 | if (ret) { |
2596 | IWL_ERR(mvm, "failed to update quotas\n"); | |
2597 | return; | |
2598 | } | |
016d27e1 JB |
2599 | |
2600 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, | |
fe959c7b EG |
2601 | &mvm->status) && |
2602 | !fw_has_capa(&mvm->fw->ucode_capa, | |
2603 | IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) { | |
016d27e1 JB |
2604 | /* |
2605 | * If we're restarting then the firmware will | |
2606 | * obviously have lost synchronisation with | |
2607 | * the AP. It will attempt to synchronise by | |
2608 | * itself, but we can make it more reliable by | |
2609 | * scheduling a session protection time event. | |
2610 | * | |
2611 | * The firmware needs to receive a beacon to | |
2612 | * catch up with synchronisation, use 110% of | |
2613 | * the beacon interval. | |
2614 | * | |
2615 | * Set a large maximum delay to allow for more | |
2616 | * than a single interface. | |
fe959c7b EG |
2617 | * |
2618 | * For new firmware versions, rely on the | |
2619 | * firmware. This is relevant for DCM scenarios | |
2620 | * only anyway. | |
016d27e1 JB |
2621 | */ |
2622 | u32 dur = (11 * vif->bss_conf.beacon_int) / 10; | |
2623 | iwl_mvm_protect_session(mvm, vif, dur, dur, | |
d20d37bc | 2624 | 5 * dur, false); |
af84ac57 JB |
2625 | } else if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, |
2626 | &mvm->status) && | |
2627 | !vif->bss_conf.dtim_period) { | |
2628 | /* | |
2629 | * If we're not restarting and still haven't | |
2630 | * heard a beacon (dtim period unknown) then | |
2631 | * make sure we still have enough minimum time | |
2632 | * remaining in the time event, since the auth | |
2633 | * might actually have taken quite a while | |
2634 | * (especially for SAE) and so the remaining | |
2635 | * time could be small without us having heard | |
2636 | * a beacon yet. | |
2637 | */ | |
2638 | iwl_mvm_protect_assoc(mvm, vif, 0); | |
016d27e1 | 2639 | } |
1f3b0ff8 LE |
2640 | |
2641 | iwl_mvm_sf_update(mvm, vif, false); | |
175a70b7 | 2642 | iwl_mvm_power_vif_assoc(mvm, vif); |
697162a1 | 2643 | if (vif->p2p) { |
697162a1 EG |
2644 | iwl_mvm_update_smps(mvm, vif, |
2645 | IWL_MVM_SMPS_REQ_PROT, | |
1a3e7039 | 2646 | IEEE80211_SMPS_DYNAMIC, 0); |
697162a1 | 2647 | } |
650cadb7 | 2648 | } else if (mvmvif->deflink.ap_sta_id != IWL_MVM_INVALID_STA) { |
6d19a5eb | 2649 | iwl_mvm_mei_host_disassociated(mvm); |
1f3b0ff8 LE |
2650 | /* |
2651 | * If update fails - SF might be running in associated | |
2652 | * mode while disassociated - which is forbidden. | |
2653 | */ | |
69e508b4 IP |
2654 | ret = iwl_mvm_sf_update(mvm, vif, false); |
2655 | WARN_ONCE(ret && | |
2656 | !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, | |
2657 | &mvm->status), | |
1f3b0ff8 LE |
2658 | "Failed to update SF upon disassociation\n"); |
2659 | ||
6b28f978 EG |
2660 | /* |
2661 | * If we get an assert during the connection (after the | |
2662 | * station has been added, but before the vif is set | |
2663 | * to associated), mac80211 will re-add the station and | |
2664 | * then configure the vif. Since the vif is not | |
2665 | * associated, we would remove the station here and | |
2666 | * this would fail the recovery. | |
2667 | */ | |
2668 | if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, | |
2669 | &mvm->status)) { | |
5c75a208 JB |
2670 | /* first remove remaining keys */ |
2671 | iwl_mvm_sec_key_remove_ap(mvm, vif); | |
2672 | ||
6b28f978 EG |
2673 | /* |
2674 | * Remove AP station now that | |
2675 | * the MAC is unassoc | |
2676 | */ | |
2677 | ret = iwl_mvm_rm_sta_id(mvm, vif, | |
650cadb7 | 2678 | mvmvif->deflink.ap_sta_id); |
6b28f978 EG |
2679 | if (ret) |
2680 | IWL_ERR(mvm, | |
2681 | "failed to remove AP station\n"); | |
2682 | ||
650cadb7 | 2683 | mvmvif->deflink.ap_sta_id = IWL_MVM_INVALID_STA; |
6b28f978 | 2684 | } |
37577fe2 | 2685 | |
8ca151b5 | 2686 | /* remove quota for this interface */ |
7754ae79 | 2687 | ret = iwl_mvm_update_quotas(mvm, false, NULL); |
8ca151b5 JB |
2688 | if (ret) |
2689 | IWL_ERR(mvm, "failed to update quotas\n"); | |
29a90a49 | 2690 | |
3dfd3a97 JB |
2691 | /* this will take the cleared BSSID from bss_conf */ |
2692 | ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); | |
2693 | if (ret) | |
2694 | IWL_ERR(mvm, | |
2695 | "failed to update MAC %pM (clear after unassoc)\n", | |
2696 | vif->addr); | |
8ca151b5 | 2697 | } |
a20fd398 | 2698 | |
660eba5a | 2699 | iwl_mvm_bss_info_changed_station_assoc(mvm, vif, changes); |
cc87d322 EH |
2700 | } |
2701 | ||
1a3e7039 GG |
2702 | iwl_mvm_bss_info_changed_station_common(mvm, vif, &vif->bss_conf, |
2703 | changes); | |
8ca151b5 JB |
2704 | } |
2705 | ||
f947b62c MK |
2706 | bool iwl_mvm_start_ap_ibss_common(struct ieee80211_hw *hw, |
2707 | struct ieee80211_vif *vif, | |
2708 | int *ret) | |
2709 | { | |
2710 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
2711 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
2712 | int i; | |
2713 | ||
2714 | lockdep_assert_held(&mvm->mutex); | |
2715 | ||
2716 | mvmvif->ap_assoc_sta_count = 0; | |
2717 | ||
2718 | /* must be set before quota calculations */ | |
2719 | mvmvif->ap_ibss_active = true; | |
2720 | ||
2721 | /* send all the early keys to the device now */ | |
2722 | for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { | |
2723 | struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i]; | |
2724 | ||
2725 | if (!key) | |
2726 | continue; | |
2727 | ||
2728 | mvmvif->ap_early_keys[i] = NULL; | |
2729 | ||
2730 | *ret = __iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key); | |
2731 | if (*ret) | |
2732 | return true; | |
2733 | } | |
2734 | ||
2735 | if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { | |
2736 | iwl_mvm_vif_set_low_latency(mvmvif, true, | |
2737 | LOW_LATENCY_VIF_TYPE); | |
2738 | iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); | |
2739 | } | |
2740 | ||
2741 | /* power updated needs to be done before quotas */ | |
2742 | iwl_mvm_power_update_mac(mvm); | |
2743 | ||
2744 | return false; | |
2745 | } | |
2746 | ||
5023d966 | 2747 | static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, |
ae7ba17b | 2748 | struct ieee80211_vif *vif, |
b327c84c | 2749 | struct ieee80211_bss_conf *link_conf) |
8ca151b5 JB |
2750 | { |
2751 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
2752 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
f947b62c | 2753 | int ret; |
8ca151b5 JB |
2754 | |
2755 | mutex_lock(&mvm->mutex); | |
2756 | ||
6e97b0d2 | 2757 | /* |
cdaba917 EG |
2758 | * Re-calculate the tsf id, as the leader-follower relations depend on |
2759 | * the beacon interval, which was not known when the AP interface | |
2760 | * was added. | |
6e97b0d2 IP |
2761 | */ |
2762 | if (vif->type == NL80211_IFTYPE_AP) | |
2763 | iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); | |
2764 | ||
36cf5377 GG |
2765 | /* For older devices need to send beacon template before adding mac |
2766 | * context. For the newer, the beacon is a resource that belongs to a | |
2767 | * MAC, so need to send beacon template after adding the mac. | |
2768 | */ | |
2769 | if (mvm->trans->trans_cfg->device_family > IWL_DEVICE_FAMILY_22000) { | |
2770 | /* Add the mac context */ | |
2771 | ret = iwl_mvm_mac_ctxt_add(mvm, vif); | |
2772 | if (ret) | |
2773 | goto out_unlock; | |
2774 | ||
2775 | /* Send the beacon template */ | |
2776 | ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); | |
2777 | if (ret) | |
2778 | goto out_unlock; | |
2779 | } else { | |
2780 | /* Send the beacon template */ | |
2781 | ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); | |
2782 | if (ret) | |
2783 | goto out_unlock; | |
2784 | ||
2785 | /* Add the mac context */ | |
2786 | ret = iwl_mvm_mac_ctxt_add(mvm, vif); | |
2787 | if (ret) | |
2788 | goto out_unlock; | |
2789 | } | |
8ca151b5 JB |
2790 | |
2791 | /* Perform the binding */ | |
2792 | ret = iwl_mvm_binding_add_vif(mvm, vif); | |
2793 | if (ret) | |
2794 | goto out_remove; | |
2795 | ||
63dd5d02 SS |
2796 | /* |
2797 | * This is not very nice, but the simplest: | |
2798 | * For older FWs adding the mcast sta before the bcast station may | |
2799 | * cause assert 0x2b00. | |
2800 | * This is fixed in later FW so make the order of removal depend on | |
2801 | * the TLV | |
2802 | */ | |
2803 | if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { | |
2804 | ret = iwl_mvm_add_mcast_sta(mvm, vif); | |
2805 | if (ret) | |
2806 | goto out_unbind; | |
2807 | /* | |
2808 | * Send the bcast station. At this stage the TBTT and DTIM time | |
2809 | * events are added and applied to the scheduler | |
2810 | */ | |
2811 | ret = iwl_mvm_send_add_bcast_sta(mvm, vif); | |
2812 | if (ret) { | |
2813 | iwl_mvm_rm_mcast_sta(mvm, vif); | |
2814 | goto out_unbind; | |
2815 | } | |
2816 | } else { | |
2817 | /* | |
2818 | * Send the bcast station. At this stage the TBTT and DTIM time | |
2819 | * events are added and applied to the scheduler | |
2820 | */ | |
75fd4fec | 2821 | ret = iwl_mvm_send_add_bcast_sta(mvm, vif); |
63dd5d02 SS |
2822 | if (ret) |
2823 | goto out_unbind; | |
75fd4fec | 2824 | ret = iwl_mvm_add_mcast_sta(mvm, vif); |
63dd5d02 SS |
2825 | if (ret) { |
2826 | iwl_mvm_send_rm_bcast_sta(mvm, vif); | |
2827 | goto out_unbind; | |
2828 | } | |
2829 | } | |
26d6c16b | 2830 | |
f947b62c MK |
2831 | if (iwl_mvm_start_ap_ibss_common(hw, vif, &ret)) |
2832 | goto out_failed; | |
a11e144e | 2833 | |
7754ae79 | 2834 | ret = iwl_mvm_update_quotas(mvm, false, NULL); |
8ca151b5 | 2835 | if (ret) |
f947b62c | 2836 | goto out_failed; |
8ca151b5 | 2837 | |
5023d966 | 2838 | /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ |
8ca151b5 | 2839 | if (vif->p2p && mvm->p2p_device_vif) |
3dfd3a97 | 2840 | iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); |
8ca151b5 | 2841 | |
8e484f0b | 2842 | iwl_mvm_bt_coex_vif_change(mvm); |
dac94da8 | 2843 | |
f697267f AN |
2844 | /* we don't support TDLS during DCM */ |
2845 | if (iwl_mvm_phy_ctx_count(mvm) > 1) | |
2846 | iwl_mvm_teardown_tdls_peers(mvm); | |
2847 | ||
b73f9a4a JB |
2848 | iwl_mvm_ftm_restart_responder(mvm, vif); |
2849 | ||
939e4904 | 2850 | goto out_unlock; |
8ca151b5 | 2851 | |
f947b62c | 2852 | out_failed: |
999609f1 | 2853 | iwl_mvm_power_update_mac(mvm); |
5691e218 | 2854 | mvmvif->ap_ibss_active = false; |
013290aa | 2855 | iwl_mvm_send_rm_bcast_sta(mvm, vif); |
ced19f26 | 2856 | iwl_mvm_rm_mcast_sta(mvm, vif); |
8ca151b5 JB |
2857 | out_unbind: |
2858 | iwl_mvm_binding_remove_vif(mvm, vif); | |
2859 | out_remove: | |
2860 | iwl_mvm_mac_ctxt_remove(mvm, vif); | |
2861 | out_unlock: | |
2862 | mutex_unlock(&mvm->mutex); | |
2863 | return ret; | |
2864 | } | |
2865 | ||
ae7ba17b ST |
2866 | static int iwl_mvm_start_ap(struct ieee80211_hw *hw, |
2867 | struct ieee80211_vif *vif, | |
b327c84c | 2868 | struct ieee80211_bss_conf *link_conf) |
ae7ba17b | 2869 | { |
b327c84c | 2870 | return iwl_mvm_start_ap_ibss(hw, vif, link_conf); |
ae7ba17b ST |
2871 | } |
2872 | ||
2873 | static int iwl_mvm_start_ibss(struct ieee80211_hw *hw, | |
2874 | struct ieee80211_vif *vif) | |
2875 | { | |
b327c84c | 2876 | return iwl_mvm_start_ap_ibss(hw, vif, &vif->bss_conf); |
ae7ba17b ST |
2877 | } |
2878 | ||
fd1a54c1 MK |
2879 | /* Common part for MLD and non-MLD ops */ |
2880 | void iwl_mvm_stop_ap_ibss_common(struct iwl_mvm *mvm, | |
2881 | struct ieee80211_vif *vif) | |
8ca151b5 | 2882 | { |
8ca151b5 JB |
2883 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
2884 | ||
fd1a54c1 | 2885 | lockdep_assert_held(&mvm->mutex); |
38a12b5b | 2886 | |
fd1a54c1 | 2887 | iwl_mvm_prepare_mac_removal(mvm, vif); |
8ca151b5 | 2888 | |
664322fa | 2889 | /* Handle AP stop while in CSA */ |
7f0a7c67 AO |
2890 | if (rcu_access_pointer(mvm->csa_vif) == vif) { |
2891 | iwl_mvm_remove_time_event(mvm, mvmvif, | |
2892 | &mvmvif->time_event_data); | |
664322fa | 2893 | RCU_INIT_POINTER(mvm->csa_vif, NULL); |
e9cb0327 | 2894 | mvmvif->csa_countdown = false; |
7f0a7c67 | 2895 | } |
664322fa | 2896 | |
003e5236 AO |
2897 | if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { |
2898 | RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); | |
2899 | mvm->csa_tx_block_bcn_timeout = 0; | |
2900 | } | |
2901 | ||
5023d966 | 2902 | mvmvif->ap_ibss_active = false; |
1c87bbad | 2903 | mvm->ap_last_beacon_gp2 = 0; |
8ca151b5 | 2904 | |
47242744 TM |
2905 | if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { |
2906 | iwl_mvm_vif_set_low_latency(mvmvif, false, | |
2907 | LOW_LATENCY_VIF_TYPE); | |
2908 | iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); | |
2909 | } | |
2910 | ||
8e484f0b | 2911 | iwl_mvm_bt_coex_vif_change(mvm); |
fd1a54c1 MK |
2912 | } |
2913 | ||
2914 | static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, | |
2915 | struct ieee80211_vif *vif, | |
2916 | struct ieee80211_bss_conf *link_conf) | |
2917 | { | |
2918 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
2919 | ||
2920 | mutex_lock(&mvm->mutex); | |
2921 | ||
2922 | iwl_mvm_stop_ap_ibss_common(mvm, vif); | |
dac94da8 | 2923 | |
5023d966 | 2924 | /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ |
8ca151b5 | 2925 | if (vif->p2p && mvm->p2p_device_vif) |
3dfd3a97 | 2926 | iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); |
8ca151b5 | 2927 | |
7754ae79 | 2928 | iwl_mvm_update_quotas(mvm, false, NULL); |
ced19f26 | 2929 | |
be82ecd3 AS |
2930 | iwl_mvm_ftm_responder_clear(mvm, vif); |
2931 | ||
ced19f26 SS |
2932 | /* |
2933 | * This is not very nice, but the simplest: | |
2934 | * For older FWs removing the mcast sta before the bcast station may | |
2935 | * cause assert 0x2b00. | |
2936 | * This is fixed in later FW (which will stop beaconing when removing | |
2937 | * bcast station). | |
2938 | * So make the order of removal depend on the TLV | |
2939 | */ | |
2940 | if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) | |
2941 | iwl_mvm_rm_mcast_sta(mvm, vif); | |
013290aa | 2942 | iwl_mvm_send_rm_bcast_sta(mvm, vif); |
ced19f26 SS |
2943 | if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) |
2944 | iwl_mvm_rm_mcast_sta(mvm, vif); | |
8ca151b5 | 2945 | iwl_mvm_binding_remove_vif(mvm, vif); |
a11e144e | 2946 | |
999609f1 | 2947 | iwl_mvm_power_update_mac(mvm); |
a11e144e | 2948 | |
8ca151b5 JB |
2949 | iwl_mvm_mac_ctxt_remove(mvm, vif); |
2950 | ||
2951 | mutex_unlock(&mvm->mutex); | |
2952 | } | |
2953 | ||
ae7ba17b ST |
2954 | static void iwl_mvm_stop_ap(struct ieee80211_hw *hw, |
2955 | struct ieee80211_vif *vif, | |
b327c84c | 2956 | struct ieee80211_bss_conf *link_conf) |
ae7ba17b | 2957 | { |
b327c84c | 2958 | iwl_mvm_stop_ap_ibss(hw, vif, link_conf); |
ae7ba17b ST |
2959 | } |
2960 | ||
2961 | static void iwl_mvm_stop_ibss(struct ieee80211_hw *hw, | |
2962 | struct ieee80211_vif *vif) | |
2963 | { | |
b327c84c | 2964 | iwl_mvm_stop_ap_ibss(hw, vif, &vif->bss_conf); |
ae7ba17b ST |
2965 | } |
2966 | ||
5023d966 JB |
2967 | static void |
2968 | iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, | |
2969 | struct ieee80211_vif *vif, | |
2970 | struct ieee80211_bss_conf *bss_conf, | |
7b7090b4 | 2971 | u64 changes) |
8ca151b5 | 2972 | { |
be2056fc | 2973 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
8a5e3660 | 2974 | |
be2056fc IP |
2975 | /* Changes will be applied when the AP/IBSS is started */ |
2976 | if (!mvmvif->ap_ibss_active) | |
2977 | return; | |
2978 | ||
863230da | 2979 | if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | |
f7d8b702 | 2980 | BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && |
3dfd3a97 | 2981 | iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) |
863230da | 2982 | IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); |
8a5e3660 | 2983 | |
8ca151b5 | 2984 | /* Need to send a new beacon template to the FW */ |
863230da | 2985 | if (changes & BSS_CHANGED_BEACON && |
36cf5377 | 2986 | iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, &vif->bss_conf)) |
863230da | 2987 | IWL_WARN(mvm, "Failed updating beacon data\n"); |
79b7a69d | 2988 | |
b73f9a4a JB |
2989 | if (changes & BSS_CHANGED_FTM_RESPONDER) { |
2990 | int ret = iwl_mvm_ftm_start_responder(mvm, vif); | |
2991 | ||
2992 | if (ret) | |
2993 | IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n", | |
2994 | ret); | |
2995 | } | |
2996 | ||
8ca151b5 JB |
2997 | } |
2998 | ||
2999 | static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, | |
3000 | struct ieee80211_vif *vif, | |
3001 | struct ieee80211_bss_conf *bss_conf, | |
7b7090b4 | 3002 | u64 changes) |
660eba5a MK |
3003 | { |
3004 | struct iwl_mvm_bss_info_changed_ops callbacks = { | |
3005 | .bss_info_changed_sta = iwl_mvm_bss_info_changed_station, | |
3006 | .bss_info_changed_ap_ibss = iwl_mvm_bss_info_changed_ap_ibss, | |
3007 | }; | |
3008 | ||
3009 | iwl_mvm_bss_info_changed_common(hw, vif, bss_conf, &callbacks, | |
3010 | changes); | |
3011 | } | |
3012 | ||
3013 | void | |
3014 | iwl_mvm_bss_info_changed_common(struct ieee80211_hw *hw, | |
3015 | struct ieee80211_vif *vif, | |
3016 | struct ieee80211_bss_conf *bss_conf, | |
3017 | struct iwl_mvm_bss_info_changed_ops *callbacks, | |
3018 | u64 changes) | |
8ca151b5 JB |
3019 | { |
3020 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
3021 | ||
3022 | mutex_lock(&mvm->mutex); | |
3023 | ||
f276e20b | 3024 | if (changes & BSS_CHANGED_IDLE && !vif->cfg.idle) |
c7d42480 | 3025 | iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); |
723f02ed | 3026 | |
8ca151b5 JB |
3027 | switch (vif->type) { |
3028 | case NL80211_IFTYPE_STATION: | |
660eba5a | 3029 | callbacks->bss_info_changed_sta(mvm, vif, bss_conf, changes); |
8ca151b5 JB |
3030 | break; |
3031 | case NL80211_IFTYPE_AP: | |
5023d966 | 3032 | case NL80211_IFTYPE_ADHOC: |
660eba5a MK |
3033 | callbacks->bss_info_changed_ap_ibss(mvm, vif, bss_conf, |
3034 | changes); | |
8ca151b5 | 3035 | break; |
91b08c2d AE |
3036 | case NL80211_IFTYPE_MONITOR: |
3037 | if (changes & BSS_CHANGED_MU_GROUPS) | |
3038 | iwl_mvm_update_mu_groups(mvm, vif); | |
3039 | break; | |
8ca151b5 JB |
3040 | default: |
3041 | /* shouldn't happen */ | |
3042 | WARN_ON_ONCE(1); | |
3043 | } | |
3044 | ||
9aae43a4 JB |
3045 | if (changes & BSS_CHANGED_TXPOWER) { |
3046 | IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d dBm\n", | |
3047 | bss_conf->txpower); | |
3048 | iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); | |
3049 | } | |
3050 | ||
8ca151b5 JB |
3051 | mutex_unlock(&mvm->mutex); |
3052 | } | |
3053 | ||
cbce62a3 MK |
3054 | int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
3055 | struct ieee80211_scan_request *hw_req) | |
8ca151b5 JB |
3056 | { |
3057 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
3058 | int ret; | |
3059 | ||
6749dd80 LC |
3060 | if (hw_req->req.n_channels == 0 || |
3061 | hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) | |
8ca151b5 JB |
3062 | return -EINVAL; |
3063 | ||
3064 | mutex_lock(&mvm->mutex); | |
6749dd80 | 3065 | ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); |
8ca151b5 | 3066 | mutex_unlock(&mvm->mutex); |
6749dd80 | 3067 | |
8ca151b5 JB |
3068 | return ret; |
3069 | } | |
3070 | ||
cbce62a3 MK |
3071 | void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, |
3072 | struct ieee80211_vif *vif) | |
8ca151b5 JB |
3073 | { |
3074 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
3075 | ||
3076 | mutex_lock(&mvm->mutex); | |
3077 | ||
e7d3abab LC |
3078 | /* Due to a race condition, it's possible that mac80211 asks |
3079 | * us to stop a hw_scan when it's already stopped. This can | |
3080 | * happen, for instance, if we stopped the scan ourselves, | |
3081 | * called ieee80211_scan_completed() and the userspace called | |
3082 | * cancel scan scan before ieee80211_scan_work() could run. | |
3083 | * To handle that, simply return if the scan is not running. | |
3084 | */ | |
262888fc | 3085 | if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) |
c7d42480 | 3086 | iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); |
8ca151b5 JB |
3087 | |
3088 | mutex_unlock(&mvm->mutex); | |
3089 | } | |
3090 | ||
cbce62a3 | 3091 | void |
8ca151b5 | 3092 | iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, |
3e56eadf | 3093 | struct ieee80211_sta *sta, u16 tids, |
8ca151b5 JB |
3094 | int num_frames, |
3095 | enum ieee80211_frame_release_type reason, | |
3096 | bool more_data) | |
3097 | { | |
3098 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
8ca151b5 | 3099 | |
3e56eadf | 3100 | /* Called when we need to transmit (a) frame(s) from mac80211 */ |
8ca151b5 | 3101 | |
3e56eadf JB |
3102 | iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, |
3103 | tids, more_data, false); | |
3104 | } | |
3105 | ||
cbce62a3 | 3106 | void |
3e56eadf JB |
3107 | iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, |
3108 | struct ieee80211_sta *sta, u16 tids, | |
3109 | int num_frames, | |
3110 | enum ieee80211_frame_release_type reason, | |
3111 | bool more_data) | |
3112 | { | |
3113 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
3114 | ||
9a3fcf91 | 3115 | /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ |
3e56eadf JB |
3116 | |
3117 | iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, | |
3118 | tids, more_data, true); | |
8ca151b5 JB |
3119 | } |
3120 | ||
65e25482 JB |
3121 | static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, |
3122 | enum sta_notify_cmd cmd, | |
3123 | struct ieee80211_sta *sta) | |
8ca151b5 JB |
3124 | { |
3125 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
5b577a90 | 3126 | struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); |
c22b0ff5 | 3127 | unsigned long txqs = 0, tids = 0; |
3e56eadf | 3128 | int tid; |
8ca151b5 | 3129 | |
960f864b JB |
3130 | /* |
3131 | * If we have TVQM then we get too high queue numbers - luckily | |
3132 | * we really shouldn't get here with that because such hardware | |
3133 | * should have firmware supporting buffer station offload. | |
3134 | */ | |
3135 | if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) | |
3136 | return; | |
3137 | ||
c22b0ff5 | 3138 | spin_lock_bh(&mvmsta->lock); |
311590a3 | 3139 | for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) { |
c22b0ff5 EG |
3140 | struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; |
3141 | ||
6862fcee | 3142 | if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) |
1c17627b SS |
3143 | continue; |
3144 | ||
c22b0ff5 EG |
3145 | __set_bit(tid_data->txq_id, &txqs); |
3146 | ||
dd32162d | 3147 | if (iwl_mvm_tid_queued(mvm, tid_data) == 0) |
c22b0ff5 EG |
3148 | continue; |
3149 | ||
3150 | __set_bit(tid, &tids); | |
3151 | } | |
3152 | ||
8ca151b5 JB |
3153 | switch (cmd) { |
3154 | case STA_NOTIFY_SLEEP: | |
c22b0ff5 | 3155 | for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) |
3e56eadf | 3156 | ieee80211_sta_set_buffered(sta, tid, true); |
c22b0ff5 EG |
3157 | |
3158 | if (txqs) | |
3159 | iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); | |
8ca151b5 JB |
3160 | /* |
3161 | * The fw updates the STA to be asleep. Tx packets on the Tx | |
3162 | * queues to this station will not be transmitted. The fw will | |
3163 | * send a Tx response with TX_STATUS_FAIL_DEST_PS. | |
3164 | */ | |
3165 | break; | |
3166 | case STA_NOTIFY_AWAKE: | |
c8ee33e1 | 3167 | if (WARN_ON(mvmsta->deflink.sta_id == IWL_MVM_INVALID_STA)) |
8ca151b5 | 3168 | break; |
c22b0ff5 EG |
3169 | |
3170 | if (txqs) | |
3171 | iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); | |
9cc40712 | 3172 | iwl_mvm_sta_modify_ps_wake(mvm, sta); |
8ca151b5 JB |
3173 | break; |
3174 | default: | |
3175 | break; | |
3176 | } | |
c22b0ff5 | 3177 | spin_unlock_bh(&mvmsta->lock); |
8ca151b5 JB |
3178 | } |
3179 | ||
cbce62a3 MK |
3180 | void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
3181 | enum sta_notify_cmd cmd, struct ieee80211_sta *sta) | |
65e25482 JB |
3182 | { |
3183 | __iwl_mvm_mac_sta_notify(hw, cmd, sta); | |
3184 | } | |
3185 | ||
3186 | void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) | |
3187 | { | |
3188 | struct iwl_rx_packet *pkt = rxb_addr(rxb); | |
3189 | struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; | |
3190 | struct ieee80211_sta *sta; | |
3191 | struct iwl_mvm_sta *mvmsta; | |
3192 | bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); | |
3193 | ||
be9ae34e | 3194 | if (WARN_ON(notif->sta_id >= mvm->fw->ucode_capa.num_stations)) |
65e25482 JB |
3195 | return; |
3196 | ||
3197 | rcu_read_lock(); | |
a9560029 | 3198 | sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); |
65e25482 JB |
3199 | if (WARN_ON(IS_ERR_OR_NULL(sta))) { |
3200 | rcu_read_unlock(); | |
3201 | return; | |
3202 | } | |
3203 | ||
3204 | mvmsta = iwl_mvm_sta_from_mac80211(sta); | |
3205 | ||
3206 | if (!mvmsta->vif || | |
3207 | mvmsta->vif->type != NL80211_IFTYPE_AP) { | |
3208 | rcu_read_unlock(); | |
3209 | return; | |
3210 | } | |
3211 | ||
3212 | if (mvmsta->sleeping != sleeping) { | |
3213 | mvmsta->sleeping = sleeping; | |
3214 | __iwl_mvm_mac_sta_notify(mvm->hw, | |
3215 | sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, | |
3216 | sta); | |
3217 | ieee80211_sta_ps_transition(sta, sleeping); | |
3218 | } | |
3219 | ||
3220 | if (sleeping) { | |
3221 | switch (notif->type) { | |
3222 | case IWL_MVM_PM_EVENT_AWAKE: | |
3223 | case IWL_MVM_PM_EVENT_ASLEEP: | |
3224 | break; | |
3225 | case IWL_MVM_PM_EVENT_UAPSD: | |
3226 | ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); | |
3227 | break; | |
3228 | case IWL_MVM_PM_EVENT_PS_POLL: | |
3229 | ieee80211_sta_pspoll(sta); | |
3230 | break; | |
3231 | default: | |
3232 | break; | |
3233 | } | |
3234 | } | |
3235 | ||
3236 | rcu_read_unlock(); | |
3237 | } | |
3238 | ||
cbce62a3 MK |
3239 | void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, |
3240 | struct ieee80211_vif *vif, | |
3241 | struct ieee80211_sta *sta) | |
1ddbbb0c JB |
3242 | { |
3243 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
9d8ce6af | 3244 | struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); |
1ddbbb0c JB |
3245 | |
3246 | /* | |
3247 | * This is called before mac80211 does RCU synchronisation, | |
3248 | * so here we already invalidate our internal RCU-protected | |
3249 | * station pointer. The rest of the code will thus no longer | |
3250 | * be able to find the station this way, and we don't rely | |
3251 | * on further RCU synchronisation after the sta_state() | |
3252 | * callback deleted the station. | |
3253 | */ | |
3254 | mutex_lock(&mvm->mutex); | |
c8ee33e1 GG |
3255 | if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->deflink.sta_id])) |
3256 | rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->deflink.sta_id], | |
1ddbbb0c | 3257 | ERR_PTR(-ENOENT)); |
94939080 | 3258 | |
1ddbbb0c JB |
3259 | mutex_unlock(&mvm->mutex); |
3260 | } | |
3261 | ||
bd1ba664 JB |
3262 | static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, |
3263 | const u8 *bssid) | |
3264 | { | |
b0ffe455 JB |
3265 | int i; |
3266 | ||
3267 | if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { | |
3268 | struct iwl_mvm_tcm_mac *mdata; | |
3269 | ||
3270 | mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; | |
3271 | ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); | |
3272 | mdata->opened_rx_ba_sessions = false; | |
3273 | } | |
3274 | ||
bd1ba664 JB |
3275 | if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) |
3276 | return; | |
3277 | ||
c5241b0c | 3278 | if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { |
cee5a882 AA |
3279 | vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; |
3280 | return; | |
3281 | } | |
3282 | ||
11dee0b4 EG |
3283 | if (!vif->p2p && |
3284 | (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { | |
bd1ba664 JB |
3285 | vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; |
3286 | return; | |
3287 | } | |
3288 | ||
b0ffe455 JB |
3289 | for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { |
3290 | if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { | |
3291 | vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; | |
3292 | return; | |
3293 | } | |
3294 | } | |
3295 | ||
bd1ba664 JB |
3296 | vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; |
3297 | } | |
3298 | ||
1e8f1329 GBA |
3299 | static void |
3300 | iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, | |
3301 | struct ieee80211_vif *vif, u8 *peer_addr, | |
3302 | enum nl80211_tdls_operation action) | |
3303 | { | |
3304 | struct iwl_fw_dbg_trigger_tlv *trig; | |
3305 | struct iwl_fw_dbg_trigger_tdls *tdls_trig; | |
3306 | ||
6c042d75 SS |
3307 | trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), |
3308 | FW_DBG_TRIGGER_TDLS); | |
3309 | if (!trig) | |
1e8f1329 GBA |
3310 | return; |
3311 | ||
1e8f1329 | 3312 | tdls_trig = (void *)trig->data; |
1e8f1329 GBA |
3313 | |
3314 | if (!(tdls_trig->action_bitmap & BIT(action))) | |
3315 | return; | |
3316 | ||
3317 | if (tdls_trig->peer_mode && | |
3318 | memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) | |
3319 | return; | |
3320 | ||
7174beb6 JB |
3321 | iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, |
3322 | "TDLS event occurred, peer %pM, action %d", | |
3323 | peer_addr, action); | |
1e8f1329 GBA |
3324 | } |
3325 | ||
4f58121d IP |
3326 | struct iwl_mvm_he_obss_narrow_bw_ru_data { |
3327 | bool tolerated; | |
3328 | }; | |
3329 | ||
3330 | static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy, | |
3331 | struct cfg80211_bss *bss, | |
3332 | void *_data) | |
3333 | { | |
3334 | struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data; | |
6c608cd6 | 3335 | const struct cfg80211_bss_ies *ies; |
4f58121d IP |
3336 | const struct element *elem; |
3337 | ||
6c608cd6 JB |
3338 | rcu_read_lock(); |
3339 | ies = rcu_dereference(bss->ies); | |
3340 | elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, ies->data, | |
3341 | ies->len); | |
4f58121d IP |
3342 | |
3343 | if (!elem || elem->datalen < 10 || | |
3344 | !(elem->data[10] & | |
3345 | WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) { | |
3346 | data->tolerated = false; | |
3347 | } | |
6c608cd6 | 3348 | rcu_read_unlock(); |
4f58121d IP |
3349 | } |
3350 | ||
3351 | static void iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw, | |
3352 | struct ieee80211_vif *vif) | |
3353 | { | |
3354 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
3355 | struct iwl_mvm_he_obss_narrow_bw_ru_data iter_data = { | |
3356 | .tolerated = true, | |
3357 | }; | |
3358 | ||
3359 | if (!(vif->bss_conf.chandef.chan->flags & IEEE80211_CHAN_RADAR)) { | |
650cadb7 | 3360 | mvmvif->deflink.he_ru_2mhz_block = false; |
4f58121d IP |
3361 | return; |
3362 | } | |
3363 | ||
3364 | cfg80211_bss_iter(hw->wiphy, &vif->bss_conf.chandef, | |
3365 | iwl_mvm_check_he_obss_narrow_bw_ru_iter, | |
3366 | &iter_data); | |
3367 | ||
3368 | /* | |
3369 | * If there is at least one AP on radar channel that cannot | |
3370 | * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU. | |
3371 | */ | |
650cadb7 | 3372 | mvmvif->deflink.he_ru_2mhz_block = !iter_data.tolerated; |
4f58121d IP |
3373 | } |
3374 | ||
f7d6ef33 JB |
3375 | static void iwl_mvm_reset_cca_40mhz_workaround(struct iwl_mvm *mvm, |
3376 | struct ieee80211_vif *vif) | |
3377 | { | |
3378 | struct ieee80211_supported_band *sband; | |
3379 | const struct ieee80211_sta_he_cap *he_cap; | |
3380 | ||
3381 | if (vif->type != NL80211_IFTYPE_STATION) | |
3382 | return; | |
3383 | ||
3384 | if (!mvm->cca_40mhz_workaround) | |
3385 | return; | |
3386 | ||
3387 | /* decrement and check that we reached zero */ | |
3388 | mvm->cca_40mhz_workaround--; | |
3389 | if (mvm->cca_40mhz_workaround) | |
3390 | return; | |
3391 | ||
3392 | sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; | |
3393 | ||
3394 | sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
3395 | ||
3396 | he_cap = ieee80211_get_he_iftype_cap(sband, | |
3397 | ieee80211_vif_type_p2p(vif)); | |
3398 | ||
3399 | if (he_cap) { | |
3400 | /* we know that ours is writable */ | |
0301bcd5 | 3401 | struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; |
f7d6ef33 JB |
3402 | |
3403 | he->he_cap_elem.phy_cap_info[0] |= | |
3404 | IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; | |
3405 | } | |
3406 | } | |
3407 | ||
6d19a5eb EG |
3408 | static void iwl_mvm_mei_host_associated(struct iwl_mvm *mvm, |
3409 | struct ieee80211_vif *vif, | |
3410 | struct iwl_mvm_sta *mvm_sta) | |
3411 | { | |
3412 | #if IS_ENABLED(CONFIG_IWLMEI) | |
3413 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
3414 | struct iwl_mei_conn_info conn_info = { | |
f276e20b | 3415 | .ssid_len = vif->cfg.ssid_len, |
6d19a5eb EG |
3416 | .channel = vif->bss_conf.chandef.chan->hw_value, |
3417 | }; | |
3418 | ||
3419 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) | |
3420 | return; | |
3421 | ||
3422 | if (!mvm->mei_registered) | |
3423 | return; | |
3424 | ||
3425 | switch (mvm_sta->pairwise_cipher) { | |
e5d3a64e AS |
3426 | case WLAN_CIPHER_SUITE_TKIP: |
3427 | conn_info.pairwise_cipher = IWL_MEI_CIPHER_TKIP; | |
3428 | break; | |
6d19a5eb EG |
3429 | case WLAN_CIPHER_SUITE_CCMP: |
3430 | conn_info.pairwise_cipher = IWL_MEI_CIPHER_CCMP; | |
3431 | break; | |
3432 | case WLAN_CIPHER_SUITE_GCMP: | |
3433 | conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP; | |
3434 | break; | |
3435 | case WLAN_CIPHER_SUITE_GCMP_256: | |
3436 | conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP_256; | |
3437 | break; | |
3438 | case 0: | |
3439 | /* open profile */ | |
3440 | break; | |
3441 | default: | |
3442 | /* cipher not supported, don't send anything to iwlmei */ | |
3443 | return; | |
3444 | } | |
3445 | ||
3446 | switch (mvmvif->rekey_data.akm) { | |
3447 | case WLAN_AKM_SUITE_SAE & 0xff: | |
3448 | conn_info.auth_mode = IWL_MEI_AKM_AUTH_SAE; | |
3449 | break; | |
3450 | case WLAN_AKM_SUITE_PSK & 0xff: | |
3451 | conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA_PSK; | |
3452 | break; | |
3453 | case WLAN_AKM_SUITE_8021X & 0xff: | |
3454 | conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA; | |
3455 | break; | |
3456 | case 0: | |
3457 | /* open profile */ | |
3458 | conn_info.auth_mode = IWL_MEI_AKM_AUTH_OPEN; | |
3459 | break; | |
3460 | default: | |
3461 | /* auth method / AKM not supported */ | |
3462 | /* TODO: All the FT vesions of these? */ | |
3463 | return; | |
3464 | } | |
3465 | ||
f276e20b | 3466 | memcpy(conn_info.ssid, vif->cfg.ssid, vif->cfg.ssid_len); |
6d19a5eb EG |
3467 | memcpy(conn_info.bssid, vif->bss_conf.bssid, ETH_ALEN); |
3468 | ||
3469 | /* TODO: add support for collocated AP data */ | |
3470 | iwl_mei_host_associated(&conn_info, NULL); | |
3471 | #endif | |
3472 | } | |
3473 | ||
87f7e243 MK |
3474 | static int iwl_mvm_mac_ctxt_changed_wrapper(struct iwl_mvm *mvm, |
3475 | struct ieee80211_vif *vif, | |
3476 | bool force_assoc_off) | |
3477 | { | |
3478 | return iwl_mvm_mac_ctxt_changed(mvm, vif, force_assoc_off, NULL); | |
3479 | } | |
3480 | ||
8ca151b5 JB |
3481 | static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, |
3482 | struct ieee80211_vif *vif, | |
3483 | struct ieee80211_sta *sta, | |
3484 | enum ieee80211_sta_state old_state, | |
3485 | enum ieee80211_sta_state new_state) | |
87f7e243 MK |
3486 | { |
3487 | struct iwl_mvm_sta_state_ops callbacks = { | |
3488 | .add_sta = iwl_mvm_add_sta, | |
3489 | .update_sta = iwl_mvm_update_sta, | |
3490 | .rm_sta = iwl_mvm_rm_sta, | |
3491 | .mac_ctxt_changed = iwl_mvm_mac_ctxt_changed_wrapper, | |
3492 | }; | |
3493 | ||
3494 | return iwl_mvm_mac_sta_state_common(hw, vif, sta, old_state, new_state, | |
3495 | &callbacks); | |
3496 | } | |
3497 | ||
3498 | /* Common part for MLD and non-MLD modes */ | |
3499 | int iwl_mvm_mac_sta_state_common(struct ieee80211_hw *hw, | |
3500 | struct ieee80211_vif *vif, | |
3501 | struct ieee80211_sta *sta, | |
3502 | enum ieee80211_sta_state old_state, | |
3503 | enum ieee80211_sta_state new_state, | |
3504 | struct iwl_mvm_sta_state_ops *callbacks) | |
8ca151b5 JB |
3505 | { |
3506 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
3507 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
6ea29ce5 | 3508 | struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); |
8ca151b5 JB |
3509 | int ret; |
3510 | ||
3511 | IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", | |
3512 | sta->addr, old_state, new_state); | |
3513 | ||
3514 | /* this would be a mac80211 bug ... but don't crash */ | |
650cadb7 | 3515 | if (WARN_ON_ONCE(!mvmvif->deflink.phy_ctxt)) |
fe56d05e | 3516 | return test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) ? 0 : -EINVAL; |
8ca151b5 | 3517 | |
24afba76 LK |
3518 | /* |
3519 | * If we are in a STA removal flow and in DQA mode: | |
3520 | * | |
3521 | * This is after the sync_rcu part, so the queues have already been | |
3522 | * flushed. No more TXs on their way in mac80211's path, and no more in | |
3523 | * the queues. | |
3524 | * Also, we won't be getting any new TX frames for this station. | |
3525 | * What we might have are deferred TX frames that need to be taken care | |
3526 | * of. | |
3527 | * | |
3528 | * Drop any still-queued deferred-frame before removing the STA, and | |
3529 | * make sure the worker is no longer handling frames for this STA. | |
3530 | */ | |
3531 | if (old_state == IEEE80211_STA_NONE && | |
c8f54701 | 3532 | new_state == IEEE80211_STA_NOTEXIST) { |
24afba76 LK |
3533 | flush_work(&mvm->add_stream_wk); |
3534 | ||
3535 | /* | |
3536 | * No need to make sure deferred TX indication is off since the | |
3537 | * worker will already remove it if it was on | |
3538 | */ | |
f7d6ef33 JB |
3539 | |
3540 | /* | |
3541 | * Additionally, reset the 40 MHz capability if we disconnected | |
3542 | * from the AP now. | |
3543 | */ | |
3544 | iwl_mvm_reset_cca_40mhz_workaround(mvm, vif); | |
24afba76 LK |
3545 | } |
3546 | ||
8ca151b5 | 3547 | mutex_lock(&mvm->mutex); |
6ea29ce5 | 3548 | /* track whether or not the station is associated */ |
d94c5a82 | 3549 | mvm_sta->sta_state = new_state; |
6ea29ce5 | 3550 | |
8ca151b5 JB |
3551 | if (old_state == IEEE80211_STA_NOTEXIST && |
3552 | new_state == IEEE80211_STA_NONE) { | |
48bc1307 JB |
3553 | /* |
3554 | * Firmware bug - it'll crash if the beacon interval is less | |
3555 | * than 16. We can't avoid connecting at all, so refuse the | |
3556 | * station state change, this will cause mac80211 to abandon | |
3557 | * attempts to connect to this AP, and eventually wpa_s will | |
cdaba917 | 3558 | * blocklist the AP... |
48bc1307 JB |
3559 | */ |
3560 | if (vif->type == NL80211_IFTYPE_STATION && | |
3561 | vif->bss_conf.beacon_int < 16) { | |
3562 | IWL_ERR(mvm, | |
3563 | "AP %pM beacon interval is %d, refusing due to firmware bug!\n", | |
3564 | sta->addr, vif->bss_conf.beacon_int); | |
3565 | ret = -EINVAL; | |
3566 | goto out_unlock; | |
3567 | } | |
cf7b491d | 3568 | |
97cc1694 | 3569 | if (vif->type == NL80211_IFTYPE_STATION) |
046d2e7c | 3570 | vif->bss_conf.he_support = sta->deflink.he_cap.has_he; |
97cc1694 | 3571 | |
cf7b491d AN |
3572 | if (sta->tdls && |
3573 | (vif->p2p || | |
fa3d07e4 AN |
3574 | iwl_mvm_tdls_sta_count(mvm, NULL) == |
3575 | IWL_MVM_TDLS_STA_COUNT || | |
cf7b491d AN |
3576 | iwl_mvm_phy_ctx_count(mvm) > 1)) { |
3577 | IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); | |
3578 | ret = -EBUSY; | |
3579 | goto out_unlock; | |
3580 | } | |
3581 | ||
87f7e243 | 3582 | ret = callbacks->add_sta(mvm, vif, sta); |
1e8f1329 | 3583 | if (sta->tdls && ret == 0) { |
fa3d07e4 | 3584 | iwl_mvm_recalc_tdls_state(mvm, vif, true); |
1e8f1329 GBA |
3585 | iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, |
3586 | NL80211_TDLS_SETUP); | |
3587 | } | |
438af969 | 3588 | |
4c51541d | 3589 | sta->deflink.agg.max_rc_amsdu_len = 1; |
8ca151b5 JB |
3590 | } else if (old_state == IEEE80211_STA_NONE && |
3591 | new_state == IEEE80211_STA_AUTH) { | |
e820c2da HD |
3592 | /* |
3593 | * EBS may be disabled due to previous failures reported by FW. | |
3594 | * Reset EBS status here assuming environment has been changed. | |
3595 | */ | |
3596 | mvm->last_ebs_successful = true; | |
bd1ba664 | 3597 | iwl_mvm_check_uapsd(mvm, vif, sta->addr); |
8ca151b5 JB |
3598 | ret = 0; |
3599 | } else if (old_state == IEEE80211_STA_AUTH && | |
3600 | new_state == IEEE80211_STA_ASSOC) { | |
8be30c13 | 3601 | if (vif->type == NL80211_IFTYPE_AP) { |
046d2e7c | 3602 | vif->bss_conf.he_support = sta->deflink.he_cap.has_he; |
8be30c13 | 3603 | mvmvif->ap_assoc_sta_count++; |
87f7e243 MK |
3604 | callbacks->mac_ctxt_changed(mvm, vif, false); |
3605 | if (!mvm->mld_api_is_used && | |
3606 | ((vif->bss_conf.he_support && | |
cb63eb43 MK |
3607 | !iwlwifi_mod_params.disable_11ax) || |
3608 | (vif->bss_conf.eht_support && | |
87f7e243 | 3609 | !iwlwifi_mod_params.disable_11be))) |
c8ee33e1 GG |
3610 | iwl_mvm_cfg_he_sta(mvm, vif, |
3611 | mvm_sta->deflink.sta_id); | |
9394662a | 3612 | } else if (vif->type == NL80211_IFTYPE_STATION) { |
046d2e7c | 3613 | vif->bss_conf.he_support = sta->deflink.he_cap.has_he; |
4f58121d | 3614 | |
650cadb7 | 3615 | mvmvif->deflink.he_ru_2mhz_block = false; |
046d2e7c | 3616 | if (sta->deflink.he_cap.has_he) |
4f58121d IP |
3617 | iwl_mvm_check_he_obss_narrow_bw_ru(hw, vif); |
3618 | ||
87f7e243 MK |
3619 | callbacks->mac_ctxt_changed(mvm, vif, false); |
3620 | ||
3621 | if (mvm->mld_api_is_used) | |
cacc1d42 | 3622 | iwl_mvm_link_changed(mvm, vif, &vif->bss_conf, |
87f7e243 MK |
3623 | LINK_CONTEXT_MODIFY_ALL & |
3624 | ~LINK_CONTEXT_MODIFY_ACTIVE, | |
3625 | true); | |
8be30c13 | 3626 | } |
735a0045 | 3627 | |
650cadb7 GG |
3628 | iwl_mvm_rs_rate_init(mvm, sta, |
3629 | mvmvif->deflink.phy_ctxt->channel->band, | |
3baf7528 | 3630 | false); |
87f7e243 | 3631 | ret = callbacks->update_sta(mvm, vif, sta); |
8ca151b5 JB |
3632 | } else if (old_state == IEEE80211_STA_ASSOC && |
3633 | new_state == IEEE80211_STA_AUTHORIZED) { | |
475c6bde | 3634 | ret = 0; |
f59e0e3c AN |
3635 | |
3636 | /* we don't support TDLS during DCM */ | |
3637 | if (iwl_mvm_phy_ctx_count(mvm) > 1) | |
3638 | iwl_mvm_teardown_tdls_peers(mvm); | |
3639 | ||
4634b176 | 3640 | if (sta->tdls) { |
1e8f1329 GBA |
3641 | iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, |
3642 | NL80211_TDLS_ENABLE_LINK); | |
4634b176 JB |
3643 | } else { |
3644 | /* enable beacon filtering */ | |
3645 | WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); | |
1e8f1329 | 3646 | |
8b75858c JB |
3647 | mvmvif->authorized = 1; |
3648 | ||
87f7e243 | 3649 | callbacks->mac_ctxt_changed(mvm, vif, false); |
6d19a5eb | 3650 | iwl_mvm_mei_host_associated(mvm, vif, mvm_sta); |
4634b176 | 3651 | } |
50f56044 | 3652 | |
650cadb7 GG |
3653 | iwl_mvm_rs_rate_init(mvm, sta, |
3654 | mvmvif->deflink.phy_ctxt->channel->band, | |
3baf7528 | 3655 | true); |
8ca151b5 JB |
3656 | } else if (old_state == IEEE80211_STA_AUTHORIZED && |
3657 | new_state == IEEE80211_STA_ASSOC) { | |
d9e95e35 MG |
3658 | /* once we move into assoc state, need to update rate scale to |
3659 | * disable using wide bandwidth | |
3660 | */ | |
650cadb7 GG |
3661 | iwl_mvm_rs_rate_init(mvm, sta, |
3662 | mvmvif->deflink.phy_ctxt->channel->band, | |
d9e95e35 | 3663 | false); |
4634b176 | 3664 | if (!sta->tdls) { |
8b75858c | 3665 | /* |
f5034bcf MK |
3666 | * Set this but don't call iwl_mvm_mac_ctxt_changed() |
3667 | * yet to avoid sending high prio again for a little | |
3668 | * time. | |
8b75858c JB |
3669 | */ |
3670 | mvmvif->authorized = 0; | |
3671 | ||
4634b176 JB |
3672 | /* disable beacon filtering */ |
3673 | ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); | |
3674 | WARN_ON(ret && | |
3675 | !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, | |
3676 | &mvm->status)); | |
3677 | } | |
8ca151b5 JB |
3678 | ret = 0; |
3679 | } else if (old_state == IEEE80211_STA_ASSOC && | |
3680 | new_state == IEEE80211_STA_AUTH) { | |
8be30c13 AB |
3681 | if (vif->type == NL80211_IFTYPE_AP) { |
3682 | mvmvif->ap_assoc_sta_count--; | |
87f7e243 | 3683 | callbacks->mac_ctxt_changed(mvm, vif, false); |
d5d8ee52 | 3684 | } else if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) |
cf7a7457 | 3685 | iwl_mvm_stop_session_protection(mvm, vif); |
8ca151b5 JB |
3686 | ret = 0; |
3687 | } else if (old_state == IEEE80211_STA_AUTH && | |
3688 | new_state == IEEE80211_STA_NONE) { | |
3689 | ret = 0; | |
3690 | } else if (old_state == IEEE80211_STA_NONE && | |
3691 | new_state == IEEE80211_STA_NOTEXIST) { | |
d5d8ee52 EG |
3692 | if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) |
3693 | iwl_mvm_stop_session_protection(mvm, vif); | |
87f7e243 | 3694 | ret = callbacks->rm_sta(mvm, vif, sta); |
1e8f1329 | 3695 | if (sta->tdls) { |
fa3d07e4 | 3696 | iwl_mvm_recalc_tdls_state(mvm, vif, false); |
1e8f1329 GBA |
3697 | iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, |
3698 | NL80211_TDLS_DISABLE_LINK); | |
3699 | } | |
34a880d8 | 3700 | |
44135b7c IP |
3701 | if (unlikely(ret && |
3702 | test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, | |
3703 | &mvm->status))) | |
3704 | ret = 0; | |
8ca151b5 JB |
3705 | } else { |
3706 | ret = -EIO; | |
3707 | } | |
48bc1307 | 3708 | out_unlock: |
8ca151b5 JB |
3709 | mutex_unlock(&mvm->mutex); |
3710 | ||
9c126cd6 LK |
3711 | if (sta->tdls && ret == 0) { |
3712 | if (old_state == IEEE80211_STA_NOTEXIST && | |
3713 | new_state == IEEE80211_STA_NONE) | |
3714 | ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); | |
3715 | else if (old_state == IEEE80211_STA_NONE && | |
3716 | new_state == IEEE80211_STA_NOTEXIST) | |
3717 | ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); | |
3718 | } | |
3719 | ||
8ca151b5 JB |
3720 | return ret; |
3721 | } | |
3722 | ||
cbce62a3 | 3723 | int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
8ca151b5 JB |
3724 | { |
3725 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
3726 | ||
3727 | mvm->rts_threshold = value; | |
3728 | ||
3729 | return 0; | |
3730 | } | |
3731 | ||
cbce62a3 MK |
3732 | void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
3733 | struct ieee80211_sta *sta, u32 changed) | |
1f3b0ff8 LE |
3734 | { |
3735 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
dcfe3b10 JB |
3736 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
3737 | ||
3738 | if (changed & (IEEE80211_RC_BW_CHANGED | | |
3739 | IEEE80211_RC_SUPP_RATES_CHANGED | | |
3740 | IEEE80211_RC_NSS_CHANGED)) | |
650cadb7 GG |
3741 | iwl_mvm_rs_rate_init(mvm, sta, |
3742 | mvmvif->deflink.phy_ctxt->channel->band, | |
dcfe3b10 | 3743 | true); |
1f3b0ff8 LE |
3744 | |
3745 | if (vif->type == NL80211_IFTYPE_STATION && | |
3746 | changed & IEEE80211_RC_NSS_CHANGED) | |
3747 | iwl_mvm_sf_update(mvm, vif, false); | |
3748 | } | |
3749 | ||
8ca151b5 | 3750 | static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, |
b3e2130b JB |
3751 | struct ieee80211_vif *vif, |
3752 | unsigned int link_id, u16 ac, | |
8ca151b5 JB |
3753 | const struct ieee80211_tx_queue_params *params) |
3754 | { | |
3755 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
3756 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
3757 | ||
650cadb7 | 3758 | mvmvif->deflink.queue_params[ac] = *params; |
8ca151b5 JB |
3759 | |
3760 | /* | |
3761 | * No need to update right away, we'll get BSS_CHANGED_QOS | |
3762 | * The exception is P2P_DEVICE interface which needs immediate update. | |
3763 | */ | |
3764 | if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { | |
3765 | int ret; | |
3766 | ||
3767 | mutex_lock(&mvm->mutex); | |
3dfd3a97 | 3768 | ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); |
8ca151b5 JB |
3769 | mutex_unlock(&mvm->mutex); |
3770 | return ret; | |
3771 | } | |
3772 | return 0; | |
3773 | } | |
3774 | ||
cbce62a3 MK |
3775 | void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, |
3776 | struct ieee80211_vif *vif, | |
3777 | struct ieee80211_prep_tx_info *info) | |
8ca151b5 JB |
3778 | { |
3779 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
d4e36e55 | 3780 | |
8ca151b5 | 3781 | mutex_lock(&mvm->mutex); |
af84ac57 | 3782 | iwl_mvm_protect_assoc(mvm, vif, info->duration); |
8ca151b5 JB |
3783 | mutex_unlock(&mvm->mutex); |
3784 | } | |
3785 | ||
cbce62a3 MK |
3786 | void iwl_mvm_mac_mgd_complete_tx(struct ieee80211_hw *hw, |
3787 | struct ieee80211_vif *vif, | |
3788 | struct ieee80211_prep_tx_info *info) | |
6b1259d1 JB |
3789 | { |
3790 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
3791 | ||
3792 | /* for successful cases (auth/assoc), don't cancel session protection */ | |
3793 | if (info->success) | |
3794 | return; | |
3795 | ||
3796 | mutex_lock(&mvm->mutex); | |
3797 | iwl_mvm_stop_session_protection(mvm, vif); | |
3798 | mutex_unlock(&mvm->mutex); | |
3799 | } | |
3800 | ||
cbce62a3 MK |
3801 | int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, |
3802 | struct ieee80211_vif *vif, | |
3803 | struct cfg80211_sched_scan_request *req, | |
3804 | struct ieee80211_scan_ies *ies) | |
35a000b7 DS |
3805 | { |
3806 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
35a000b7 | 3807 | |
35a000b7 | 3808 | int ret; |
4660dfbb | 3809 | |
35a000b7 DS |
3810 | mutex_lock(&mvm->mutex); |
3811 | ||
f276e20b | 3812 | if (!vif->cfg.idle) { |
bd5e4744 DS |
3813 | ret = -EBUSY; |
3814 | goto out; | |
3815 | } | |
3816 | ||
19945dfb | 3817 | ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); |
d2496221 | 3818 | |
35a000b7 DS |
3819 | out: |
3820 | mutex_unlock(&mvm->mutex); | |
3821 | return ret; | |
3822 | } | |
3823 | ||
cbce62a3 MK |
3824 | int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, |
3825 | struct ieee80211_vif *vif) | |
35a000b7 DS |
3826 | { |
3827 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
33ea27f6 | 3828 | int ret; |
35a000b7 DS |
3829 | |
3830 | mutex_lock(&mvm->mutex); | |
e7d3abab LC |
3831 | |
3832 | /* Due to a race condition, it's possible that mac80211 asks | |
3833 | * us to stop a sched_scan when it's already stopped. This | |
3834 | * can happen, for instance, if we stopped the scan ourselves, | |
3835 | * called ieee80211_sched_scan_stopped() and the userspace called | |
3836 | * stop sched scan scan before ieee80211_sched_scan_stopped_work() | |
3837 | * could run. To handle this, simply return if the scan is | |
3838 | * not running. | |
3839 | */ | |
262888fc | 3840 | if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { |
e7d3abab LC |
3841 | mutex_unlock(&mvm->mutex); |
3842 | return 0; | |
3843 | } | |
3844 | ||
c7d42480 | 3845 | ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); |
35a000b7 | 3846 | mutex_unlock(&mvm->mutex); |
33ea27f6 | 3847 | iwl_mvm_wait_for_async_handlers(mvm); |
37e3308c | 3848 | |
33ea27f6 | 3849 | return ret; |
35a000b7 DS |
3850 | } |
3851 | ||
6569e7d3 JB |
3852 | static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, |
3853 | enum set_key_cmd cmd, | |
3854 | struct ieee80211_vif *vif, | |
3855 | struct ieee80211_sta *sta, | |
3856 | struct ieee80211_key_conf *key) | |
8ca151b5 | 3857 | { |
c56e00a3 | 3858 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
8ca151b5 | 3859 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
46c7b05a | 3860 | struct iwl_mvm_sta *mvmsta = NULL; |
f5e28eac JB |
3861 | struct iwl_mvm_key_pn *ptk_pn; |
3862 | int keyidx = key->keyidx; | |
5c75a208 JB |
3863 | u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); |
3864 | u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); | |
c56e00a3 | 3865 | int ret, i; |
d6ee54a9 | 3866 | u8 key_offset; |
8ca151b5 | 3867 | |
46c7b05a EG |
3868 | if (sta) |
3869 | mvmsta = iwl_mvm_sta_from_mac80211(sta); | |
6d19a5eb | 3870 | |
8ca151b5 JB |
3871 | switch (key->cipher) { |
3872 | case WLAN_CIPHER_SUITE_TKIP: | |
286ca8eb | 3873 | if (!mvm->trans->trans_cfg->gen2) { |
7f768ad5 DS |
3874 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; |
3875 | key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; | |
3876 | } else if (vif->type == NL80211_IFTYPE_STATION) { | |
3877 | key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; | |
3878 | } else { | |
3879 | IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); | |
3880 | return -EOPNOTSUPP; | |
3881 | } | |
8ca151b5 | 3882 | break; |
ca8c0f4b | 3883 | case WLAN_CIPHER_SUITE_CCMP: |
2a53d166 AB |
3884 | case WLAN_CIPHER_SUITE_GCMP: |
3885 | case WLAN_CIPHER_SUITE_GCMP_256: | |
85aeb58c DS |
3886 | if (!iwl_mvm_has_new_tx_api(mvm)) |
3887 | key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; | |
ca8c0f4b | 3888 | break; |
8ca151b5 | 3889 | case WLAN_CIPHER_SUITE_AES_CMAC: |
8e160ab8 AB |
3890 | case WLAN_CIPHER_SUITE_BIP_GMAC_128: |
3891 | case WLAN_CIPHER_SUITE_BIP_GMAC_256: | |
30686bf7 | 3892 | WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); |
8ca151b5 JB |
3893 | break; |
3894 | case WLAN_CIPHER_SUITE_WEP40: | |
3895 | case WLAN_CIPHER_SUITE_WEP104: | |
475c6bde JB |
3896 | if (vif->type == NL80211_IFTYPE_STATION) |
3897 | break; | |
3898 | if (iwl_mvm_has_new_tx_api(mvm)) | |
3899 | return -EOPNOTSUPP; | |
3900 | /* support HW crypto on TX */ | |
3901 | return 0; | |
8ca151b5 | 3902 | default: |
8b3d2c48 | 3903 | return -EOPNOTSUPP; |
8ca151b5 JB |
3904 | } |
3905 | ||
8ca151b5 JB |
3906 | switch (cmd) { |
3907 | case SET_KEY: | |
a5de7de7 JB |
3908 | if (vif->type == NL80211_IFTYPE_STATION && |
3909 | (keyidx == 6 || keyidx == 7)) | |
b1fdc250 JB |
3910 | rcu_assign_pointer(mvmvif->bcn_prot.keys[keyidx - 6], |
3911 | key); | |
3912 | ||
5023d966 JB |
3913 | if ((vif->type == NL80211_IFTYPE_ADHOC || |
3914 | vif->type == NL80211_IFTYPE_AP) && !sta) { | |
3915 | /* | |
3916 | * GTK on AP interface is a TX-only key, return 0; | |
3917 | * on IBSS they're per-station and because we're lazy | |
3918 | * we don't support them for RX, so do the same. | |
8e160ab8 | 3919 | * CMAC/GMAC in AP/IBSS modes must be done in software. |
a5de7de7 JB |
3920 | * |
3921 | * Except, of course, beacon protection - it must be | |
3922 | * offloaded since we just set a beacon template. | |
5023d966 | 3923 | */ |
a5de7de7 JB |
3924 | if (keyidx < 6 && |
3925 | (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || | |
3926 | key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || | |
3927 | key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256)) { | |
81279c49 | 3928 | ret = -EOPNOTSUPP; |
a1c2ff30 AO |
3929 | break; |
3930 | } | |
85aeb58c DS |
3931 | |
3932 | if (key->cipher != WLAN_CIPHER_SUITE_GCMP && | |
3933 | key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && | |
3934 | !iwl_mvm_has_new_tx_api(mvm)) { | |
3935 | key->hw_key_idx = STA_KEY_IDX_INVALID; | |
a1c2ff30 | 3936 | ret = 0; |
85aeb58c DS |
3937 | break; |
3938 | } | |
c56e00a3 JB |
3939 | |
3940 | if (!mvmvif->ap_ibss_active) { | |
3941 | for (i = 0; | |
3942 | i < ARRAY_SIZE(mvmvif->ap_early_keys); | |
3943 | i++) { | |
3944 | if (!mvmvif->ap_early_keys[i]) { | |
3945 | mvmvif->ap_early_keys[i] = key; | |
3946 | break; | |
3947 | } | |
3948 | } | |
3949 | ||
3950 | if (i >= ARRAY_SIZE(mvmvif->ap_early_keys)) | |
3951 | ret = -ENOSPC; | |
a1c2ff30 AO |
3952 | else |
3953 | ret = 0; | |
c56e00a3 JB |
3954 | |
3955 | break; | |
3956 | } | |
6caffd4f JB |
3957 | } |
3958 | ||
b546dcd6 JB |
3959 | /* During FW restart, in order to restore the state as it was, |
3960 | * don't try to reprogram keys we previously failed for. | |
3961 | */ | |
3962 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && | |
3963 | key->hw_key_idx == STA_KEY_IDX_INVALID) { | |
3964 | IWL_DEBUG_MAC80211(mvm, | |
3965 | "skip invalid idx key programming during restart\n"); | |
3966 | ret = 0; | |
3967 | break; | |
3968 | } | |
3969 | ||
f5e28eac | 3970 | if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && |
46c7b05a | 3971 | mvmsta && iwl_mvm_has_new_rx_api(mvm) && |
f5e28eac JB |
3972 | key->flags & IEEE80211_KEY_FLAG_PAIRWISE && |
3973 | (key->cipher == WLAN_CIPHER_SUITE_CCMP || | |
2a53d166 AB |
3974 | key->cipher == WLAN_CIPHER_SUITE_GCMP || |
3975 | key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { | |
f5e28eac JB |
3976 | struct ieee80211_key_seq seq; |
3977 | int tid, q; | |
3978 | ||
f5e28eac | 3979 | WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); |
acafe7e3 KC |
3980 | ptk_pn = kzalloc(struct_size(ptk_pn, q, |
3981 | mvm->trans->num_rx_queues), | |
f5e28eac JB |
3982 | GFP_KERNEL); |
3983 | if (!ptk_pn) { | |
3984 | ret = -ENOMEM; | |
3985 | break; | |
3986 | } | |
3987 | ||
3988 | for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { | |
3989 | ieee80211_get_key_rx_seq(key, tid, &seq); | |
3990 | for (q = 0; q < mvm->trans->num_rx_queues; q++) | |
3991 | memcpy(ptk_pn->q[q].pn[tid], | |
3992 | seq.ccmp.pn, | |
3993 | IEEE80211_CCMP_PN_LEN); | |
3994 | } | |
3995 | ||
3996 | rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); | |
3997 | } | |
3998 | ||
d6ee54a9 LC |
3999 | /* in HW restart reuse the index, otherwise request a new one */ |
4000 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) | |
4001 | key_offset = key->hw_key_idx; | |
4002 | else | |
4003 | key_offset = STA_KEY_IDX_INVALID; | |
4004 | ||
46c7b05a | 4005 | if (mvmsta && key->flags & IEEE80211_KEY_FLAG_PAIRWISE) |
6d19a5eb EG |
4006 | mvmsta->pairwise_cipher = key->cipher; |
4007 | ||
a5de7de7 JB |
4008 | IWL_DEBUG_MAC80211(mvm, "set hwcrypto key (sta:%pM, id:%d)\n", |
4009 | sta ? sta->addr : NULL, key->keyidx); | |
5c75a208 JB |
4010 | |
4011 | if (sec_key_ver) | |
4012 | ret = iwl_mvm_sec_key_add(mvm, vif, sta, key); | |
4013 | else | |
4014 | ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); | |
4015 | ||
8ca151b5 JB |
4016 | if (ret) { |
4017 | IWL_WARN(mvm, "set key failed\n"); | |
475c6bde | 4018 | key->hw_key_idx = STA_KEY_IDX_INVALID; |
8ca151b5 JB |
4019 | /* |
4020 | * can't add key for RX, but we don't need it | |
475c6bde JB |
4021 | * in the device for TX so still return 0, |
4022 | * unless we have new TX API where we cannot | |
4023 | * put key material into the TX_CMD | |
8ca151b5 | 4024 | */ |
475c6bde JB |
4025 | if (iwl_mvm_has_new_tx_api(mvm)) |
4026 | ret = -EOPNOTSUPP; | |
4027 | else | |
4028 | ret = 0; | |
8ca151b5 JB |
4029 | } |
4030 | ||
4031 | break; | |
4032 | case DISABLE_KEY: | |
a5de7de7 JB |
4033 | if (vif->type == NL80211_IFTYPE_STATION && |
4034 | (keyidx == 6 || keyidx == 7)) | |
b1fdc250 JB |
4035 | RCU_INIT_POINTER(mvmvif->bcn_prot.keys[keyidx - 6], |
4036 | NULL); | |
4037 | ||
c56e00a3 JB |
4038 | ret = -ENOENT; |
4039 | for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { | |
4040 | if (mvmvif->ap_early_keys[i] == key) { | |
4041 | mvmvif->ap_early_keys[i] = NULL; | |
4042 | ret = 0; | |
4043 | } | |
4044 | } | |
4045 | ||
4046 | /* found in pending list - don't do anything else */ | |
4047 | if (ret == 0) | |
4048 | break; | |
4049 | ||
6caffd4f JB |
4050 | if (key->hw_key_idx == STA_KEY_IDX_INVALID) { |
4051 | ret = 0; | |
4052 | break; | |
4053 | } | |
4054 | ||
46c7b05a | 4055 | if (mvmsta && iwl_mvm_has_new_rx_api(mvm) && |
f5e28eac JB |
4056 | key->flags & IEEE80211_KEY_FLAG_PAIRWISE && |
4057 | (key->cipher == WLAN_CIPHER_SUITE_CCMP || | |
2a53d166 AB |
4058 | key->cipher == WLAN_CIPHER_SUITE_GCMP || |
4059 | key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { | |
f5e28eac JB |
4060 | ptk_pn = rcu_dereference_protected( |
4061 | mvmsta->ptk_pn[keyidx], | |
4062 | lockdep_is_held(&mvm->mutex)); | |
4063 | RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); | |
4064 | if (ptk_pn) | |
4065 | kfree_rcu(ptk_pn, rcu_head); | |
4066 | } | |
4067 | ||
8ca151b5 | 4068 | IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); |
5c75a208 JB |
4069 | if (sec_key_ver) |
4070 | ret = iwl_mvm_sec_key_del(mvm, vif, sta, key); | |
4071 | else | |
4072 | ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); | |
8ca151b5 JB |
4073 | break; |
4074 | default: | |
4075 | ret = -EINVAL; | |
4076 | } | |
4077 | ||
6569e7d3 JB |
4078 | return ret; |
4079 | } | |
4080 | ||
cbce62a3 MK |
4081 | int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
4082 | struct ieee80211_vif *vif, struct ieee80211_sta *sta, | |
4083 | struct ieee80211_key_conf *key) | |
6569e7d3 JB |
4084 | { |
4085 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
4086 | int ret; | |
4087 | ||
4088 | mutex_lock(&mvm->mutex); | |
4089 | ret = __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key); | |
8ca151b5 | 4090 | mutex_unlock(&mvm->mutex); |
6569e7d3 | 4091 | |
8ca151b5 JB |
4092 | return ret; |
4093 | } | |
4094 | ||
cbce62a3 MK |
4095 | void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, |
4096 | struct ieee80211_vif *vif, | |
4097 | struct ieee80211_key_conf *keyconf, | |
4098 | struct ieee80211_sta *sta, | |
4099 | u32 iv32, u16 *phase1key) | |
8ca151b5 JB |
4100 | { |
4101 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
4102 | ||
5023d966 JB |
4103 | if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) |
4104 | return; | |
4105 | ||
8ca151b5 JB |
4106 | iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); |
4107 | } | |
4108 | ||
4109 | ||
b112889c AM |
4110 | static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, |
4111 | struct iwl_rx_packet *pkt, void *data) | |
4112 | { | |
4113 | struct iwl_mvm *mvm = | |
4114 | container_of(notif_wait, struct iwl_mvm, notif_wait); | |
4115 | struct iwl_hs20_roc_res *resp; | |
4116 | int resp_len = iwl_rx_packet_payload_len(pkt); | |
4117 | struct iwl_mvm_time_event_data *te_data = data; | |
4118 | ||
4119 | if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) | |
4120 | return true; | |
4121 | ||
4122 | if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { | |
4123 | IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); | |
4124 | return true; | |
4125 | } | |
4126 | ||
4127 | resp = (void *)pkt->data; | |
4128 | ||
4129 | IWL_DEBUG_TE(mvm, | |
b71a9c35 | 4130 | "Aux ROC: Received response from ucode: status=%d uid=%d\n", |
b112889c AM |
4131 | resp->status, resp->event_unique_id); |
4132 | ||
4133 | te_data->uid = le32_to_cpu(resp->event_unique_id); | |
4134 | IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", | |
4135 | te_data->uid); | |
4136 | ||
4137 | spin_lock_bh(&mvm->time_event_lock); | |
4138 | list_add_tail(&te_data->list, &mvm->aux_roc_te_list); | |
4139 | spin_unlock_bh(&mvm->time_event_lock); | |
4140 | ||
4141 | return true; | |
4142 | } | |
4143 | ||
dc28e12f MG |
4144 | #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100) |
4145 | #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200) | |
4146 | #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600) | |
4147 | #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20) | |
4148 | #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10) | |
b112889c AM |
4149 | static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, |
4150 | struct ieee80211_channel *channel, | |
4151 | struct ieee80211_vif *vif, | |
4152 | int duration) | |
4153 | { | |
afc1e3b4 | 4154 | int res; |
b112889c AM |
4155 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
4156 | struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; | |
6eb031d2 | 4157 | static const u16 time_event_response[] = { HOT_SPOT_CMD }; |
b112889c | 4158 | struct iwl_notification_wait wait_time_event; |
dc28e12f MG |
4159 | u32 dtim_interval = vif->bss_conf.dtim_period * |
4160 | vif->bss_conf.beacon_int; | |
4161 | u32 req_dur, delay; | |
b112889c AM |
4162 | struct iwl_hs20_roc_req aux_roc_req = { |
4163 | .action = cpu_to_le32(FW_CTXT_ACTION_ADD), | |
4164 | .id_and_color = | |
4165 | cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), | |
4166 | .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), | |
57e861d9 DS |
4167 | }; |
4168 | struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm, | |
4169 | &aux_roc_req.channel_info); | |
4170 | u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm); | |
4171 | ||
4172 | /* Set the channel info data */ | |
4173 | iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, | |
3717f91a | 4174 | iwl_mvm_phy_band_from_nl80211(channel->band), |
7ac87575 | 4175 | IWL_PHY_CHANNEL_MODE20, |
57e861d9 DS |
4176 | 0); |
4177 | ||
4178 | /* Set the time and duration */ | |
afc1e3b4 | 4179 | tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm)); |
b112889c | 4180 | |
dc28e12f MG |
4181 | delay = AUX_ROC_MIN_DELAY; |
4182 | req_dur = MSEC_TO_TU(duration); | |
4183 | ||
4184 | /* | |
4185 | * If we are associated we want the delay time to be at least one | |
4186 | * dtim interval so that the FW can wait until after the DTIM and | |
4187 | * then start the time event, this will potentially allow us to | |
4188 | * remain off-channel for the max duration. | |
4189 | * Since we want to use almost a whole dtim interval we would also | |
4190 | * like the delay to be for 2-3 dtim intervals, in case there are | |
4191 | * other time events with higher priority. | |
4192 | */ | |
f276e20b | 4193 | if (vif->cfg.assoc) { |
dc28e12f MG |
4194 | delay = min_t(u32, dtim_interval * 3, AUX_ROC_MAX_DELAY); |
4195 | /* We cannot remain off-channel longer than the DTIM interval */ | |
4196 | if (dtim_interval <= req_dur) { | |
4197 | req_dur = dtim_interval - AUX_ROC_SAFETY_BUFFER; | |
4198 | if (req_dur <= AUX_ROC_MIN_DURATION) | |
4199 | req_dur = dtim_interval - | |
4200 | AUX_ROC_MIN_SAFETY_BUFFER; | |
4201 | } | |
4202 | } | |
4203 | ||
57e861d9 DS |
4204 | tail->duration = cpu_to_le32(req_dur); |
4205 | tail->apply_time_max_delay = cpu_to_le32(delay); | |
dc28e12f MG |
4206 | |
4207 | IWL_DEBUG_TE(mvm, | |
903b3f9b EG |
4208 | "ROC: Requesting to remain on channel %u for %ums\n", |
4209 | channel->hw_value, req_dur); | |
4210 | IWL_DEBUG_TE(mvm, | |
4211 | "\t(requested = %ums, max_delay = %ums, dtim_interval = %ums)\n", | |
4212 | duration, delay, dtim_interval); | |
4213 | ||
b112889c | 4214 | /* Set the node address */ |
57e861d9 | 4215 | memcpy(tail->node_addr, vif->addr, ETH_ALEN); |
b112889c | 4216 | |
a6cc5163 MG |
4217 | lockdep_assert_held(&mvm->mutex); |
4218 | ||
4219 | spin_lock_bh(&mvm->time_event_lock); | |
4220 | ||
4221 | if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { | |
4222 | spin_unlock_bh(&mvm->time_event_lock); | |
4223 | return -EIO; | |
4224 | } | |
4225 | ||
b112889c AM |
4226 | te_data->vif = vif; |
4227 | te_data->duration = duration; | |
4228 | te_data->id = HOT_SPOT_CMD; | |
4229 | ||
b112889c AM |
4230 | spin_unlock_bh(&mvm->time_event_lock); |
4231 | ||
4232 | /* | |
4233 | * Use a notification wait, which really just processes the | |
4234 | * command response and doesn't wait for anything, in order | |
4235 | * to be able to process the response and get the UID inside | |
4236 | * the RX path. Using CMD_WANT_SKB doesn't work because it | |
4237 | * stores the buffer and then wakes up this thread, by which | |
4238 | * time another notification (that the time event started) | |
4239 | * might already be processed unsuccessfully. | |
4240 | */ | |
4241 | iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, | |
4242 | time_event_response, | |
4243 | ARRAY_SIZE(time_event_response), | |
4244 | iwl_mvm_rx_aux_roc, te_data); | |
4245 | ||
57e861d9 | 4246 | res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len, |
b112889c AM |
4247 | &aux_roc_req); |
4248 | ||
4249 | if (res) { | |
4250 | IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); | |
4251 | iwl_remove_notification(&mvm->notif_wait, &wait_time_event); | |
4252 | goto out_clear_te; | |
4253 | } | |
4254 | ||
4255 | /* No need to wait for anything, so just pass 1 (0 isn't valid) */ | |
4256 | res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); | |
4257 | /* should never fail */ | |
4258 | WARN_ON_ONCE(res); | |
4259 | ||
4260 | if (res) { | |
4261 | out_clear_te: | |
4262 | spin_lock_bh(&mvm->time_event_lock); | |
4263 | iwl_mvm_te_clear_data(mvm, te_data); | |
4264 | spin_unlock_bh(&mvm->time_event_lock); | |
4265 | } | |
4266 | ||
4267 | return res; | |
4268 | } | |
4269 | ||
feebebae MK |
4270 | static int iwl_mvm_add_aux_sta_for_hs20(struct iwl_mvm *mvm, u32 lmac_id) |
4271 | { | |
4272 | int ret = 0; | |
4273 | ||
4274 | lockdep_assert_held(&mvm->mutex); | |
4275 | ||
4276 | if (!fw_has_capa(&mvm->fw->ucode_capa, | |
4277 | IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { | |
4278 | IWL_ERR(mvm, "hotspot not supported\n"); | |
4279 | return -EINVAL; | |
4280 | } | |
4281 | ||
4282 | if (iwl_fw_lookup_cmd_ver(mvm->fw, ADD_STA, 0) >= 12) { | |
4283 | ret = iwl_mvm_add_aux_sta(mvm, lmac_id); | |
4284 | WARN(ret, "Failed to allocate aux station"); | |
4285 | } | |
4286 | ||
4287 | return ret; | |
4288 | } | |
4289 | ||
4290 | static int iwl_mvm_roc_switch_binding(struct iwl_mvm *mvm, | |
4291 | struct ieee80211_vif *vif, | |
4292 | struct iwl_mvm_phy_ctxt *new_phy_ctxt) | |
4293 | { | |
4294 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
4295 | int ret = 0; | |
4296 | ||
4297 | lockdep_assert_held(&mvm->mutex); | |
4298 | ||
4299 | /* Unbind the P2P_DEVICE from the current PHY context, | |
4300 | * and if the PHY context is not used remove it. | |
4301 | */ | |
4302 | ret = iwl_mvm_binding_remove_vif(mvm, vif); | |
4303 | if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) | |
4304 | return ret; | |
4305 | ||
4306 | iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); | |
4307 | ||
4308 | /* Bind the P2P_DEVICE to the current PHY Context */ | |
4309 | mvmvif->deflink.phy_ctxt = new_phy_ctxt; | |
4310 | ||
4311 | ret = iwl_mvm_binding_add_vif(mvm, vif); | |
4312 | WARN(ret, "Failed binding P2P_DEVICE\n"); | |
4313 | return ret; | |
4314 | } | |
4315 | ||
8ca151b5 JB |
4316 | static int iwl_mvm_roc(struct ieee80211_hw *hw, |
4317 | struct ieee80211_vif *vif, | |
4318 | struct ieee80211_channel *channel, | |
d339d5ca IP |
4319 | int duration, |
4320 | enum ieee80211_roc_type type) | |
fe8b2ad3 MK |
4321 | { |
4322 | struct iwl_mvm_roc_ops ops = { | |
4323 | .add_aux_sta_for_hs20 = iwl_mvm_add_aux_sta_for_hs20, | |
4324 | .switch_phy_ctxt = iwl_mvm_roc_switch_binding, | |
4325 | }; | |
4326 | ||
4327 | return iwl_mvm_roc_common(hw, vif, channel, duration, type, &ops); | |
4328 | } | |
4329 | ||
4330 | /* Execute the common part for MLD and non-MLD modes */ | |
4331 | int iwl_mvm_roc_common(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
4332 | struct ieee80211_channel *channel, int duration, | |
4333 | enum ieee80211_roc_type type, | |
4334 | struct iwl_mvm_roc_ops *ops) | |
8ca151b5 JB |
4335 | { |
4336 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
fe0f2de3 | 4337 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
8ca151b5 | 4338 | struct cfg80211_chan_def chandef; |
31d385ae | 4339 | struct iwl_mvm_phy_ctxt *phy_ctxt; |
8835a64f | 4340 | bool band_change_removal; |
31d385ae | 4341 | int ret, i; |
feebebae | 4342 | u32 lmac_id; |
31d385ae IP |
4343 | |
4344 | IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, | |
4345 | duration, type); | |
8ca151b5 | 4346 | |
9834781c JB |
4347 | /* |
4348 | * Flush the done work, just in case it's still pending, so that | |
4349 | * the work it does can complete and we can accept new frames. | |
4350 | */ | |
6ed13164 MG |
4351 | flush_work(&mvm->roc_done_wk); |
4352 | ||
a6cc5163 MG |
4353 | mutex_lock(&mvm->mutex); |
4354 | ||
b112889c AM |
4355 | switch (vif->type) { |
4356 | case NL80211_IFTYPE_STATION: | |
feebebae MK |
4357 | lmac_id = iwl_mvm_get_lmac_id(mvm->fw, channel->band); |
4358 | ||
4359 | /* Use aux roc framework (HS20) */ | |
fe8b2ad3 | 4360 | ret = ops->add_aux_sta_for_hs20(mvm, lmac_id); |
feebebae | 4361 | if (!ret) |
5ac6c72e LC |
4362 | ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, |
4363 | vif, duration); | |
a6cc5163 | 4364 | goto out_unlock; |
b112889c AM |
4365 | case NL80211_IFTYPE_P2P_DEVICE: |
4366 | /* handle below */ | |
4367 | break; | |
4368 | default: | |
4369 | IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type); | |
a6cc5163 MG |
4370 | ret = -EINVAL; |
4371 | goto out_unlock; | |
8ca151b5 JB |
4372 | } |
4373 | ||
31d385ae IP |
4374 | for (i = 0; i < NUM_PHY_CTX; i++) { |
4375 | phy_ctxt = &mvm->phy_ctxts[i]; | |
650cadb7 | 4376 | if (phy_ctxt->ref == 0 || mvmvif->deflink.phy_ctxt == phy_ctxt) |
31d385ae IP |
4377 | continue; |
4378 | ||
4379 | if (phy_ctxt->ref && channel == phy_ctxt->channel) { | |
fe8b2ad3 | 4380 | ret = ops->switch_phy_ctxt(mvm, vif, phy_ctxt); |
feebebae | 4381 | if (ret) |
31d385ae IP |
4382 | goto out_unlock; |
4383 | ||
650cadb7 | 4384 | iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt); |
31d385ae IP |
4385 | goto schedule_time_event; |
4386 | } | |
4387 | } | |
4388 | ||
4389 | /* Need to update the PHY context only if the ROC channel changed */ | |
650cadb7 | 4390 | if (channel == mvmvif->deflink.phy_ctxt->channel) |
31d385ae IP |
4391 | goto schedule_time_event; |
4392 | ||
8ca151b5 | 4393 | cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); |
8ca151b5 | 4394 | |
31d385ae | 4395 | /* |
8835a64f JB |
4396 | * Check if the remain-on-channel is on a different band and that |
4397 | * requires context removal, see iwl_mvm_phy_ctxt_changed(). If | |
4398 | * so, we'll need to release and then re-configure here, since we | |
4399 | * must not remove a PHY context that's part of a binding. | |
31d385ae | 4400 | */ |
8835a64f JB |
4401 | band_change_removal = |
4402 | fw_has_capa(&mvm->fw->ucode_capa, | |
4403 | IWL_UCODE_TLV_CAPA_BINDING_CDB_SUPPORT) && | |
650cadb7 | 4404 | mvmvif->deflink.phy_ctxt->channel->band != chandef.chan->band; |
8835a64f | 4405 | |
650cadb7 | 4406 | if (mvmvif->deflink.phy_ctxt->ref == 1 && !band_change_removal) { |
8835a64f JB |
4407 | /* |
4408 | * Change the PHY context configuration as it is currently | |
4409 | * referenced only by the P2P Device MAC (and we can modify it) | |
4410 | */ | |
650cadb7 | 4411 | ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->deflink.phy_ctxt, |
31d385ae IP |
4412 | &chandef, 1, 1); |
4413 | if (ret) | |
4414 | goto out_unlock; | |
4415 | } else { | |
4416 | /* | |
8835a64f JB |
4417 | * The PHY context is shared with other MACs (or we're trying to |
4418 | * switch bands), so remove the P2P Device from the binding, | |
4419 | * allocate an new PHY context and create a new binding. | |
31d385ae IP |
4420 | */ |
4421 | phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); | |
4422 | if (!phy_ctxt) { | |
4423 | ret = -ENOSPC; | |
4424 | goto out_unlock; | |
4425 | } | |
4426 | ||
4427 | ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef, | |
4428 | 1, 1); | |
4429 | if (ret) { | |
4430 | IWL_ERR(mvm, "Failed to change PHY context\n"); | |
4431 | goto out_unlock; | |
4432 | } | |
4433 | ||
fe8b2ad3 | 4434 | ret = ops->switch_phy_ctxt(mvm, vif, phy_ctxt); |
feebebae | 4435 | if (ret) |
31d385ae IP |
4436 | goto out_unlock; |
4437 | ||
650cadb7 | 4438 | iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt); |
31d385ae IP |
4439 | } |
4440 | ||
4441 | schedule_time_event: | |
8ca151b5 | 4442 | /* Schedule the time events */ |
e635c797 | 4443 | ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type); |
8ca151b5 | 4444 | |
31d385ae | 4445 | out_unlock: |
8ca151b5 JB |
4446 | mutex_unlock(&mvm->mutex); |
4447 | IWL_DEBUG_MAC80211(mvm, "leave\n"); | |
8ca151b5 JB |
4448 | return ret; |
4449 | } | |
4450 | ||
fe8b2ad3 MK |
4451 | int iwl_mvm_cancel_roc(struct ieee80211_hw *hw, |
4452 | struct ieee80211_vif *vif) | |
8ca151b5 JB |
4453 | { |
4454 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
4455 | ||
4456 | IWL_DEBUG_MAC80211(mvm, "enter\n"); | |
4457 | ||
4458 | mutex_lock(&mvm->mutex); | |
fe959c7b | 4459 | iwl_mvm_stop_roc(mvm, vif); |
8ca151b5 JB |
4460 | mutex_unlock(&mvm->mutex); |
4461 | ||
4462 | IWL_DEBUG_MAC80211(mvm, "leave\n"); | |
4463 | return 0; | |
4464 | } | |
4465 | ||
b73f9a4a JB |
4466 | struct iwl_mvm_ftm_responder_iter_data { |
4467 | bool responder; | |
4468 | struct ieee80211_chanctx_conf *ctx; | |
4469 | }; | |
4470 | ||
4471 | static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac, | |
4472 | struct ieee80211_vif *vif) | |
4473 | { | |
4474 | struct iwl_mvm_ftm_responder_iter_data *data = _data; | |
4475 | ||
d0a9123e | 4476 | if (rcu_access_pointer(vif->bss_conf.chanctx_conf) == data->ctx && |
b73f9a4a JB |
4477 | vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params) |
4478 | data->responder = true; | |
4479 | } | |
4480 | ||
4481 | static bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm, | |
4482 | struct ieee80211_chanctx_conf *ctx) | |
4483 | { | |
4484 | struct iwl_mvm_ftm_responder_iter_data data = { | |
4485 | .responder = false, | |
4486 | .ctx = ctx, | |
4487 | }; | |
4488 | ||
4489 | ieee80211_iterate_active_interfaces_atomic(mvm->hw, | |
4490 | IEEE80211_IFACE_ITER_NORMAL, | |
4491 | iwl_mvm_ftm_responder_chanctx_iter, | |
4492 | &data); | |
4493 | return data.responder; | |
4494 | } | |
4495 | ||
b08c1d97 LC |
4496 | static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, |
4497 | struct ieee80211_chanctx_conf *ctx) | |
8ca151b5 | 4498 | { |
fe0f2de3 IP |
4499 | u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; |
4500 | struct iwl_mvm_phy_ctxt *phy_ctxt; | |
b73f9a4a JB |
4501 | bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); |
4502 | struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; | |
8ca151b5 JB |
4503 | int ret; |
4504 | ||
b08c1d97 LC |
4505 | lockdep_assert_held(&mvm->mutex); |
4506 | ||
53a9d61e | 4507 | IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); |
fe0f2de3 | 4508 | |
fe0f2de3 IP |
4509 | phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); |
4510 | if (!phy_ctxt) { | |
4511 | ret = -ENOSPC; | |
4512 | goto out; | |
4513 | } | |
8ca151b5 | 4514 | |
b73f9a4a | 4515 | ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, |
53a9d61e IP |
4516 | ctx->rx_chains_static, |
4517 | ctx->rx_chains_dynamic); | |
fe0f2de3 IP |
4518 | if (ret) { |
4519 | IWL_ERR(mvm, "Failed to add PHY context\n"); | |
4520 | goto out; | |
4521 | } | |
4522 | ||
53a9d61e | 4523 | iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt); |
fe0f2de3 IP |
4524 | *phy_ctxt_id = phy_ctxt->id; |
4525 | out: | |
b08c1d97 LC |
4526 | return ret; |
4527 | } | |
4528 | ||
cbce62a3 MK |
4529 | int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, |
4530 | struct ieee80211_chanctx_conf *ctx) | |
b08c1d97 LC |
4531 | { |
4532 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
4533 | int ret; | |
4534 | ||
4535 | mutex_lock(&mvm->mutex); | |
4536 | ret = __iwl_mvm_add_chanctx(mvm, ctx); | |
8ca151b5 | 4537 | mutex_unlock(&mvm->mutex); |
b08c1d97 | 4538 | |
8ca151b5 JB |
4539 | return ret; |
4540 | } | |
4541 | ||
b08c1d97 LC |
4542 | static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, |
4543 | struct ieee80211_chanctx_conf *ctx) | |
4544 | { | |
4545 | u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; | |
4546 | struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; | |
4547 | ||
4548 | lockdep_assert_held(&mvm->mutex); | |
4549 | ||
4550 | iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); | |
4551 | } | |
4552 | ||
cbce62a3 MK |
4553 | void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, |
4554 | struct ieee80211_chanctx_conf *ctx) | |
8ca151b5 JB |
4555 | { |
4556 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
8ca151b5 JB |
4557 | |
4558 | mutex_lock(&mvm->mutex); | |
b08c1d97 | 4559 | __iwl_mvm_remove_chanctx(mvm, ctx); |
8ca151b5 JB |
4560 | mutex_unlock(&mvm->mutex); |
4561 | } | |
4562 | ||
cbce62a3 MK |
4563 | void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, |
4564 | struct ieee80211_chanctx_conf *ctx, u32 changed) | |
8ca151b5 JB |
4565 | { |
4566 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
fe0f2de3 IP |
4567 | u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; |
4568 | struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; | |
b73f9a4a JB |
4569 | bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); |
4570 | struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; | |
8ca151b5 | 4571 | |
31d385ae IP |
4572 | if (WARN_ONCE((phy_ctxt->ref > 1) && |
4573 | (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | | |
4574 | IEEE80211_CHANCTX_CHANGE_RX_CHAINS | | |
2dceedae AN |
4575 | IEEE80211_CHANCTX_CHANGE_RADAR | |
4576 | IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), | |
31d385ae IP |
4577 | "Cannot change PHY. Ref=%d, changed=0x%X\n", |
4578 | phy_ctxt->ref, changed)) | |
4579 | return; | |
4580 | ||
8ca151b5 | 4581 | mutex_lock(&mvm->mutex); |
7a20bcce EG |
4582 | |
4583 | /* we are only changing the min_width, may be a noop */ | |
4584 | if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) { | |
b73f9a4a | 4585 | if (phy_ctxt->width == def->width) |
7a20bcce EG |
4586 | goto out_unlock; |
4587 | ||
4588 | /* we are just toggling between 20_NOHT and 20 */ | |
4589 | if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && | |
b73f9a4a | 4590 | def->width <= NL80211_CHAN_WIDTH_20) |
7a20bcce EG |
4591 | goto out_unlock; |
4592 | } | |
4593 | ||
4d66449a | 4594 | iwl_mvm_bt_coex_vif_change(mvm); |
b73f9a4a | 4595 | iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, |
8ca151b5 JB |
4596 | ctx->rx_chains_static, |
4597 | ctx->rx_chains_dynamic); | |
7a20bcce EG |
4598 | |
4599 | out_unlock: | |
8ca151b5 JB |
4600 | mutex_unlock(&mvm->mutex); |
4601 | } | |
4602 | ||
8a919a78 MK |
4603 | /* |
4604 | * This function executes the common part for MLD and non-MLD modes. | |
4605 | * | |
4606 | * Returns true if we're done assigning the chanctx | |
4607 | * (either on failure or success) | |
4608 | */ | |
50e81437 MK |
4609 | bool __iwl_mvm_assign_vif_chanctx_common(struct iwl_mvm *mvm, |
4610 | struct ieee80211_vif *vif, | |
4611 | struct ieee80211_chanctx_conf *ctx, | |
4612 | bool switching_chanctx, int *ret) | |
8ca151b5 | 4613 | { |
fe0f2de3 IP |
4614 | u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; |
4615 | struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; | |
8ca151b5 | 4616 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
8ca151b5 | 4617 | |
b08c1d97 | 4618 | lockdep_assert_held(&mvm->mutex); |
8ca151b5 | 4619 | |
650cadb7 | 4620 | mvmvif->deflink.phy_ctxt = phy_ctxt; |
8ca151b5 JB |
4621 | |
4622 | switch (vif->type) { | |
4623 | case NL80211_IFTYPE_AP: | |
4741dd04 LC |
4624 | /* only needed if we're switching chanctx (i.e. during CSA) */ |
4625 | if (switching_chanctx) { | |
bd3398e2 AO |
4626 | mvmvif->ap_ibss_active = true; |
4627 | break; | |
4628 | } | |
5a2abdca | 4629 | fallthrough; |
5023d966 | 4630 | case NL80211_IFTYPE_ADHOC: |
8ca151b5 JB |
4631 | /* |
4632 | * The AP binding flow is handled as part of the start_ap flow | |
5023d966 | 4633 | * (in bss_info_changed), similarly for IBSS. |
8ca151b5 | 4634 | */ |
8a919a78 MK |
4635 | *ret = 0; |
4636 | return true; | |
8ca151b5 | 4637 | case NL80211_IFTYPE_STATION: |
2533edce | 4638 | break; |
8ca151b5 | 4639 | case NL80211_IFTYPE_MONITOR: |
2533edce LC |
4640 | /* always disable PS when a monitor interface is active */ |
4641 | mvmvif->ps_disabled = true; | |
8ca151b5 JB |
4642 | break; |
4643 | default: | |
8a919a78 MK |
4644 | *ret = -EINVAL; |
4645 | return true; | |
8ca151b5 | 4646 | } |
8a919a78 MK |
4647 | return false; |
4648 | } | |
4649 | ||
4650 | static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, | |
4651 | struct ieee80211_vif *vif, | |
4652 | struct ieee80211_chanctx_conf *ctx, | |
4653 | bool switching_chanctx) | |
4654 | { | |
4655 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
4656 | int ret; | |
4657 | ||
4658 | if (__iwl_mvm_assign_vif_chanctx_common(mvm, vif, ctx, | |
4659 | switching_chanctx, &ret)) | |
4660 | goto out; | |
8ca151b5 JB |
4661 | |
4662 | ret = iwl_mvm_binding_add_vif(mvm, vif); | |
4663 | if (ret) | |
b08c1d97 | 4664 | goto out; |
8ca151b5 JB |
4665 | |
4666 | /* | |
92d85562 AB |
4667 | * Power state must be updated before quotas, |
4668 | * otherwise fw will complain. | |
4669 | */ | |
999609f1 | 4670 | iwl_mvm_power_update_mac(mvm); |
92d85562 AB |
4671 | |
4672 | /* Setting the quota at this stage is only required for monitor | |
8ca151b5 JB |
4673 | * interfaces. For the other types, the bss_info changed flow |
4674 | * will handle quota settings. | |
4675 | */ | |
4676 | if (vif->type == NL80211_IFTYPE_MONITOR) { | |
1e1391ca | 4677 | mvmvif->monitor_active = true; |
7754ae79 | 4678 | ret = iwl_mvm_update_quotas(mvm, false, NULL); |
8ca151b5 JB |
4679 | if (ret) |
4680 | goto out_remove_binding; | |
0e39eb03 CRI |
4681 | |
4682 | ret = iwl_mvm_add_snif_sta(mvm, vif); | |
4683 | if (ret) | |
4684 | goto out_remove_binding; | |
4685 | ||
8ca151b5 JB |
4686 | } |
4687 | ||
bd3398e2 | 4688 | /* Handle binding during CSA */ |
a57c688d | 4689 | if (vif->type == NL80211_IFTYPE_AP) { |
7754ae79 | 4690 | iwl_mvm_update_quotas(mvm, false, NULL); |
3dfd3a97 | 4691 | iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); |
bd3398e2 AO |
4692 | } |
4693 | ||
8a919a78 MK |
4694 | if (vif->type == NL80211_IFTYPE_STATION) { |
4695 | if (!switching_chanctx) { | |
4696 | mvmvif->csa_bcn_pending = false; | |
4697 | goto out; | |
4698 | } | |
4699 | ||
74a10252 | 4700 | mvmvif->csa_bcn_pending = true; |
686e7fe1 | 4701 | |
74a10252 SS |
4702 | if (!fw_has_capa(&mvm->fw->ucode_capa, |
4703 | IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { | |
4704 | u32 duration = 3 * vif->bss_conf.beacon_int; | |
686e7fe1 | 4705 | |
74a10252 SS |
4706 | /* Protect the session to make sure we hear the first |
4707 | * beacon on the new channel. | |
4708 | */ | |
4709 | iwl_mvm_protect_session(mvm, vif, duration, duration, | |
4710 | vif->bss_conf.beacon_int / 2, | |
4711 | true); | |
74a10252 | 4712 | } |
686e7fe1 | 4713 | |
7754ae79 | 4714 | iwl_mvm_update_quotas(mvm, false, NULL); |
0ce04ce7 LC |
4715 | } |
4716 | ||
b08c1d97 | 4717 | goto out; |
8ca151b5 | 4718 | |
b08c1d97 | 4719 | out_remove_binding: |
8ca151b5 | 4720 | iwl_mvm_binding_remove_vif(mvm, vif); |
999609f1 | 4721 | iwl_mvm_power_update_mac(mvm); |
b08c1d97 | 4722 | out: |
8ca151b5 | 4723 | if (ret) |
650cadb7 | 4724 | mvmvif->deflink.phy_ctxt = NULL; |
8ca151b5 JB |
4725 | return ret; |
4726 | } | |
8a919a78 | 4727 | |
b08c1d97 LC |
4728 | static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, |
4729 | struct ieee80211_vif *vif, | |
727eff4d | 4730 | struct ieee80211_bss_conf *link_conf, |
b08c1d97 | 4731 | struct ieee80211_chanctx_conf *ctx) |
8ca151b5 JB |
4732 | { |
4733 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
b08c1d97 | 4734 | int ret; |
8ca151b5 JB |
4735 | |
4736 | mutex_lock(&mvm->mutex); | |
f0c97783 | 4737 | ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false); |
b08c1d97 LC |
4738 | mutex_unlock(&mvm->mutex); |
4739 | ||
4740 | return ret; | |
4741 | } | |
4742 | ||
daddfae5 MK |
4743 | /* |
4744 | * This function executes the common part for MLD and non-MLD modes. | |
4745 | * | |
4746 | * Returns if chanctx unassign chanctx is done | |
4747 | * (either on failure or success) | |
4748 | */ | |
6f71e90e MK |
4749 | bool __iwl_mvm_unassign_vif_chanctx_common(struct iwl_mvm *mvm, |
4750 | struct ieee80211_vif *vif, | |
4751 | bool switching_chanctx) | |
b08c1d97 LC |
4752 | { |
4753 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
4754 | ||
4755 | lockdep_assert_held(&mvm->mutex); | |
650cadb7 GG |
4756 | iwl_mvm_remove_time_event(mvm, mvmvif, |
4757 | &mvmvif->time_event_data); | |
8ca151b5 | 4758 | |
8ca151b5 | 4759 | switch (vif->type) { |
5023d966 | 4760 | case NL80211_IFTYPE_ADHOC: |
daddfae5 | 4761 | return true; |
8ca151b5 | 4762 | case NL80211_IFTYPE_MONITOR: |
1e1391ca | 4763 | mvmvif->monitor_active = false; |
2533edce | 4764 | mvmvif->ps_disabled = false; |
8ca151b5 | 4765 | break; |
bd3398e2 AO |
4766 | case NL80211_IFTYPE_AP: |
4767 | /* This part is triggered only during CSA */ | |
4741dd04 | 4768 | if (!switching_chanctx || !mvmvif->ap_ibss_active) |
daddfae5 | 4769 | return true; |
bd3398e2 | 4770 | |
7ef0aab6 AO |
4771 | mvmvif->csa_countdown = false; |
4772 | ||
56f4f12b MK |
4773 | /* Set CS bit on all the stations */ |
4774 | iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); | |
4775 | ||
003e5236 AO |
4776 | /* Save blocked iface, the timeout is set on the next beacon */ |
4777 | rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); | |
4778 | ||
bd3398e2 | 4779 | mvmvif->ap_ibss_active = false; |
f0c97783 | 4780 | break; |
daddfae5 MK |
4781 | default: |
4782 | break; | |
4783 | } | |
4784 | return false; | |
4785 | } | |
f0c97783 | 4786 | |
daddfae5 MK |
4787 | static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, |
4788 | struct ieee80211_vif *vif, | |
4789 | struct ieee80211_chanctx_conf *ctx, | |
4790 | bool switching_chanctx) | |
4791 | { | |
4792 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
4793 | struct ieee80211_vif *disabled_vif = NULL; | |
4794 | ||
4795 | if (__iwl_mvm_unassign_vif_chanctx_common(mvm, vif, switching_chanctx)) | |
4796 | goto out; | |
f0c97783 | 4797 | |
daddfae5 MK |
4798 | if (vif->type == NL80211_IFTYPE_MONITOR) |
4799 | iwl_mvm_rm_snif_sta(mvm, vif); | |
4800 | ||
daddfae5 MK |
4801 | |
4802 | if (vif->type == NL80211_IFTYPE_STATION && switching_chanctx) { | |
4803 | disabled_vif = vif; | |
74a10252 SS |
4804 | if (!fw_has_capa(&mvm->fw->ucode_capa, |
4805 | IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) | |
4806 | iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); | |
8ca151b5 JB |
4807 | } |
4808 | ||
7754ae79 | 4809 | iwl_mvm_update_quotas(mvm, false, disabled_vif); |
1e1391ca | 4810 | iwl_mvm_binding_remove_vif(mvm, vif); |
1c2abf72 | 4811 | |
b08c1d97 | 4812 | out: |
bf544e9a SS |
4813 | if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD) && |
4814 | switching_chanctx) | |
4815 | return; | |
650cadb7 | 4816 | mvmvif->deflink.phy_ctxt = NULL; |
999609f1 | 4817 | iwl_mvm_power_update_mac(mvm); |
b08c1d97 LC |
4818 | } |
4819 | ||
4820 | static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, | |
4821 | struct ieee80211_vif *vif, | |
727eff4d | 4822 | struct ieee80211_bss_conf *link_conf, |
b08c1d97 LC |
4823 | struct ieee80211_chanctx_conf *ctx) |
4824 | { | |
4825 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
4826 | ||
4827 | mutex_lock(&mvm->mutex); | |
f0c97783 | 4828 | __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false); |
8ca151b5 JB |
4829 | mutex_unlock(&mvm->mutex); |
4830 | } | |
4831 | ||
50cc9574 LC |
4832 | static int |
4833 | iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, | |
660eba5a MK |
4834 | struct ieee80211_vif_chanctx_switch *vifs, |
4835 | struct iwl_mvm_switch_vif_chanctx_ops *ops) | |
b08c1d97 | 4836 | { |
b08c1d97 LC |
4837 | int ret; |
4838 | ||
b08c1d97 | 4839 | mutex_lock(&mvm->mutex); |
660eba5a | 4840 | ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); |
b08c1d97 LC |
4841 | __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); |
4842 | ||
4843 | ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); | |
4844 | if (ret) { | |
4845 | IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); | |
4846 | goto out_reassign; | |
4847 | } | |
4848 | ||
660eba5a | 4849 | ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, |
f0c97783 | 4850 | true); |
b08c1d97 LC |
4851 | if (ret) { |
4852 | IWL_ERR(mvm, | |
4853 | "failed to assign new_ctx during channel switch\n"); | |
4854 | goto out_remove; | |
4855 | } | |
4856 | ||
f697267f AN |
4857 | /* we don't support TDLS during DCM - can be caused by channel switch */ |
4858 | if (iwl_mvm_phy_ctx_count(mvm) > 1) | |
4859 | iwl_mvm_teardown_tdls_peers(mvm); | |
4860 | ||
b08c1d97 LC |
4861 | goto out; |
4862 | ||
4863 | out_remove: | |
4864 | __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); | |
4865 | ||
4866 | out_reassign: | |
6fd1fb63 | 4867 | if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { |
b08c1d97 LC |
4868 | IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); |
4869 | goto out_restart; | |
4870 | } | |
4871 | ||
660eba5a MK |
4872 | if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, |
4873 | true)) { | |
b08c1d97 LC |
4874 | IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); |
4875 | goto out_restart; | |
4876 | } | |
4877 | ||
4878 | goto out; | |
4879 | ||
4880 | out_restart: | |
4881 | /* things keep failing, better restart the hw */ | |
4882 | iwl_mvm_nic_restart(mvm, false); | |
4883 | ||
4884 | out: | |
4885 | mutex_unlock(&mvm->mutex); | |
50cc9574 LC |
4886 | |
4887 | return ret; | |
4888 | } | |
4889 | ||
48a256e8 LC |
4890 | static int |
4891 | iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, | |
660eba5a MK |
4892 | struct ieee80211_vif_chanctx_switch *vifs, |
4893 | struct iwl_mvm_switch_vif_chanctx_ops *ops) | |
48a256e8 LC |
4894 | { |
4895 | int ret; | |
4896 | ||
4897 | mutex_lock(&mvm->mutex); | |
660eba5a | 4898 | ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); |
48a256e8 | 4899 | |
660eba5a | 4900 | ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, |
48a256e8 LC |
4901 | true); |
4902 | if (ret) { | |
4903 | IWL_ERR(mvm, | |
4904 | "failed to assign new_ctx during channel switch\n"); | |
4905 | goto out_reassign; | |
4906 | } | |
4907 | ||
4908 | goto out; | |
4909 | ||
4910 | out_reassign: | |
660eba5a MK |
4911 | if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, |
4912 | true)) { | |
48a256e8 LC |
4913 | IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); |
4914 | goto out_restart; | |
4915 | } | |
4916 | ||
4917 | goto out; | |
4918 | ||
4919 | out_restart: | |
4920 | /* things keep failing, better restart the hw */ | |
4921 | iwl_mvm_nic_restart(mvm, false); | |
4922 | ||
4923 | out: | |
4924 | mutex_unlock(&mvm->mutex); | |
4925 | ||
4926 | return ret; | |
4927 | } | |
4928 | ||
660eba5a MK |
4929 | /* Execute the common part for both MLD and non-MLD modes */ |
4930 | int | |
4931 | iwl_mvm_switch_vif_chanctx_common(struct ieee80211_hw *hw, | |
4932 | struct ieee80211_vif_chanctx_switch *vifs, | |
4933 | int n_vifs, | |
4934 | enum ieee80211_chanctx_switch_mode mode, | |
4935 | struct iwl_mvm_switch_vif_chanctx_ops *ops) | |
50cc9574 LC |
4936 | { |
4937 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
4938 | int ret; | |
4939 | ||
4940 | /* we only support a single-vif right now */ | |
4941 | if (n_vifs > 1) | |
4942 | return -EOPNOTSUPP; | |
4943 | ||
4944 | switch (mode) { | |
4945 | case CHANCTX_SWMODE_SWAP_CONTEXTS: | |
660eba5a | 4946 | ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs, ops); |
50cc9574 LC |
4947 | break; |
4948 | case CHANCTX_SWMODE_REASSIGN_VIF: | |
660eba5a | 4949 | ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs, ops); |
50cc9574 LC |
4950 | break; |
4951 | default: | |
4952 | ret = -EOPNOTSUPP; | |
4953 | break; | |
4954 | } | |
4955 | ||
b08c1d97 LC |
4956 | return ret; |
4957 | } | |
4958 | ||
660eba5a MK |
4959 | static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, |
4960 | struct ieee80211_vif_chanctx_switch *vifs, | |
4961 | int n_vifs, | |
4962 | enum ieee80211_chanctx_switch_mode mode) | |
4963 | { | |
4964 | struct iwl_mvm_switch_vif_chanctx_ops ops = { | |
4965 | .__assign_vif_chanctx = __iwl_mvm_assign_vif_chanctx, | |
4966 | .__unassign_vif_chanctx = __iwl_mvm_unassign_vif_chanctx, | |
4967 | }; | |
4968 | ||
4969 | return iwl_mvm_switch_vif_chanctx_common(hw, vifs, n_vifs, mode, &ops); | |
4970 | } | |
4971 | ||
cbce62a3 | 4972 | int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) |
2f0282db JB |
4973 | { |
4974 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
4975 | ||
4976 | return mvm->ibss_manager; | |
4977 | } | |
4978 | ||
cbce62a3 MK |
4979 | int iwl_mvm_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, |
4980 | bool set) | |
8ca151b5 JB |
4981 | { |
4982 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
9d8ce6af | 4983 | struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); |
8ca151b5 JB |
4984 | |
4985 | if (!mvm_sta || !mvm_sta->vif) { | |
4986 | IWL_ERR(mvm, "Station is not associated to a vif\n"); | |
4987 | return -EINVAL; | |
4988 | } | |
4989 | ||
36cf5377 GG |
4990 | return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif, |
4991 | &mvm_sta->vif->bss_conf); | |
8ca151b5 JB |
4992 | } |
4993 | ||
507cadf2 DS |
4994 | #ifdef CONFIG_NL80211_TESTMODE |
4995 | static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { | |
4996 | [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, | |
4997 | [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, | |
f6c6ad42 | 4998 | [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, |
507cadf2 DS |
4999 | }; |
5000 | ||
5001 | static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, | |
5002 | struct ieee80211_vif *vif, | |
5003 | void *data, int len) | |
5004 | { | |
5005 | struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; | |
5006 | int err; | |
5007 | u32 noa_duration; | |
5008 | ||
8cb08174 JB |
5009 | err = nla_parse_deprecated(tb, IWL_MVM_TM_ATTR_MAX, data, len, |
5010 | iwl_mvm_tm_policy, NULL); | |
507cadf2 DS |
5011 | if (err) |
5012 | return err; | |
5013 | ||
5014 | if (!tb[IWL_MVM_TM_ATTR_CMD]) | |
5015 | return -EINVAL; | |
5016 | ||
5017 | switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { | |
5018 | case IWL_MVM_TM_CMD_SET_NOA: | |
5019 | if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || | |
5020 | !vif->bss_conf.enable_beacon || | |
5021 | !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) | |
5022 | return -EINVAL; | |
5023 | ||
5024 | noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); | |
5025 | if (noa_duration >= vif->bss_conf.beacon_int) | |
5026 | return -EINVAL; | |
5027 | ||
5028 | mvm->noa_duration = noa_duration; | |
5029 | mvm->noa_vif = vif; | |
5030 | ||
22b21041 | 5031 | return iwl_mvm_update_quotas(mvm, true, NULL); |
f6c6ad42 JB |
5032 | case IWL_MVM_TM_CMD_SET_BEACON_FILTER: |
5033 | /* must be associated client vif - ignore authorized */ | |
5034 | if (!vif || vif->type != NL80211_IFTYPE_STATION || | |
f276e20b | 5035 | !vif->cfg.assoc || !vif->bss_conf.dtim_period || |
f6c6ad42 JB |
5036 | !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) |
5037 | return -EINVAL; | |
5038 | ||
5039 | if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) | |
a1022927 EG |
5040 | return iwl_mvm_enable_beacon_filter(mvm, vif, 0); |
5041 | return iwl_mvm_disable_beacon_filter(mvm, vif, 0); | |
507cadf2 DS |
5042 | } |
5043 | ||
5044 | return -EOPNOTSUPP; | |
5045 | } | |
5046 | ||
cbce62a3 MK |
5047 | int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, |
5048 | struct ieee80211_vif *vif, | |
5049 | void *data, int len) | |
507cadf2 DS |
5050 | { |
5051 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
5052 | int err; | |
5053 | ||
5054 | mutex_lock(&mvm->mutex); | |
5055 | err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); | |
5056 | mutex_unlock(&mvm->mutex); | |
5057 | ||
5058 | return err; | |
5059 | } | |
5060 | #endif | |
5061 | ||
cbce62a3 MK |
5062 | void iwl_mvm_channel_switch(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
5063 | struct ieee80211_channel_switch *chsw) | |
622e3f9b LC |
5064 | { |
5065 | /* By implementing this operation, we prevent mac80211 from | |
5066 | * starting its own channel switch timer, so that we can call | |
5067 | * ieee80211_chswitch_done() ourselves at the right time | |
5068 | * (which is when the absence time event starts). | |
5069 | */ | |
5070 | ||
5071 | IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), | |
5072 | "dummy channel switch op\n"); | |
5073 | } | |
5074 | ||
74a10252 SS |
5075 | static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, |
5076 | struct ieee80211_vif *vif, | |
5077 | struct ieee80211_channel_switch *chsw) | |
5078 | { | |
5079 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
5080 | struct iwl_chan_switch_te_cmd cmd = { | |
5081 | .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, | |
5082 | mvmvif->color)), | |
5083 | .action = cpu_to_le32(FW_CTXT_ACTION_ADD), | |
5084 | .tsf = cpu_to_le32(chsw->timestamp), | |
5085 | .cs_count = chsw->count, | |
77738865 | 5086 | .cs_mode = chsw->block_tx, |
74a10252 SS |
5087 | }; |
5088 | ||
5089 | lockdep_assert_held(&mvm->mutex); | |
5090 | ||
9cfcf71c SS |
5091 | if (chsw->delay) |
5092 | cmd.cs_delayed_bcn_count = | |
5093 | DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int); | |
5094 | ||
74a10252 SS |
5095 | return iwl_mvm_send_cmd_pdu(mvm, |
5096 | WIDE_ID(MAC_CONF_GROUP, | |
5097 | CHANNEL_SWITCH_TIME_EVENT_CMD), | |
5098 | 0, sizeof(cmd), &cmd); | |
5099 | } | |
5100 | ||
0202bcf0 EG |
5101 | static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm, |
5102 | struct ieee80211_vif *vif, | |
5103 | struct ieee80211_channel_switch *chsw) | |
5104 | { | |
5105 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
5106 | u32 apply_time; | |
5107 | ||
5108 | /* Schedule the time event to a bit before beacon 1, | |
5109 | * to make sure we're in the new channel when the | |
5110 | * GO/AP arrives. In case count <= 1 immediately schedule the | |
5111 | * TE (this might result with some packet loss or connection | |
5112 | * loss). | |
5113 | */ | |
5114 | if (chsw->count <= 1) | |
5115 | apply_time = 0; | |
5116 | else | |
5117 | apply_time = chsw->device_timestamp + | |
5118 | ((vif->bss_conf.beacon_int * (chsw->count - 1) - | |
5119 | IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); | |
5120 | ||
5121 | if (chsw->block_tx) | |
5122 | iwl_mvm_csa_client_absent(mvm, vif); | |
5123 | ||
5124 | if (mvmvif->bf_data.bf_enabled) { | |
5125 | int ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); | |
5126 | ||
5127 | if (ret) | |
5128 | return ret; | |
5129 | } | |
5130 | ||
5131 | iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, | |
5132 | apply_time); | |
5133 | ||
5134 | return 0; | |
5135 | } | |
5136 | ||
f6780614 | 5137 | #define IWL_MAX_CSA_BLOCK_TX 1500 |
cbce62a3 MK |
5138 | int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, |
5139 | struct ieee80211_vif *vif, | |
5140 | struct ieee80211_channel_switch *chsw) | |
bd3398e2 AO |
5141 | { |
5142 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
664322fa | 5143 | struct ieee80211_vif *csa_vif; |
f6c34820 | 5144 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
f028905c | 5145 | int ret; |
bd3398e2 AO |
5146 | |
5147 | mutex_lock(&mvm->mutex); | |
664322fa | 5148 | |
81d62d5a JB |
5149 | mvmvif->csa_failed = false; |
5150 | ||
6b20d774 | 5151 | IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", |
f028905c | 5152 | chsw->chandef.center_freq1); |
6b20d774 | 5153 | |
7174beb6 JB |
5154 | iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, |
5155 | ieee80211_vif_to_wdev(vif), | |
5156 | FW_DBG_TRIGGER_CHANNEL_SWITCH); | |
f35d9c55 | 5157 | |
6b20d774 LC |
5158 | switch (vif->type) { |
5159 | case NL80211_IFTYPE_AP: | |
5160 | csa_vif = | |
5161 | rcu_dereference_protected(mvm->csa_vif, | |
5162 | lockdep_is_held(&mvm->mutex)); | |
d0a9123e | 5163 | if (WARN_ONCE(csa_vif && csa_vif->bss_conf.csa_active, |
6b20d774 LC |
5164 | "Another CSA is already in progress")) { |
5165 | ret = -EBUSY; | |
5166 | goto out_unlock; | |
5167 | } | |
5168 | ||
d3a108a4 AO |
5169 | /* we still didn't unblock tx. prevent new CS meanwhile */ |
5170 | if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, | |
5171 | lockdep_is_held(&mvm->mutex))) { | |
5172 | ret = -EBUSY; | |
5173 | goto out_unlock; | |
5174 | } | |
5175 | ||
6b20d774 | 5176 | rcu_assign_pointer(mvm->csa_vif, vif); |
7ef0aab6 | 5177 | |
7ef0aab6 AO |
5178 | if (WARN_ONCE(mvmvif->csa_countdown, |
5179 | "Previous CSA countdown didn't complete")) { | |
5180 | ret = -EBUSY; | |
5181 | goto out_unlock; | |
5182 | } | |
5183 | ||
d3a108a4 AO |
5184 | mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; |
5185 | ||
6b20d774 | 5186 | break; |
dc88b4ba | 5187 | case NL80211_IFTYPE_STATION: |
ad12b231 NE |
5188 | /* |
5189 | * In the new flow FW is in charge of timing the switch so there | |
5190 | * is no need for all of this | |
5191 | */ | |
5192 | if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, | |
5193 | CHANNEL_SWITCH_ERROR_NOTIF, | |
5194 | 0)) | |
5195 | break; | |
5196 | ||
2360acbd EG |
5197 | /* |
5198 | * We haven't configured the firmware to be associated yet since | |
5199 | * we don't know the dtim period. In this case, the firmware can't | |
5200 | * track the beacons. | |
5201 | */ | |
f276e20b | 5202 | if (!vif->cfg.assoc || !vif->bss_conf.dtim_period) { |
2360acbd EG |
5203 | ret = -EBUSY; |
5204 | goto out_unlock; | |
5205 | } | |
5206 | ||
87d9564e JB |
5207 | if (chsw->delay > IWL_MAX_CSA_BLOCK_TX) |
5208 | schedule_delayed_work(&mvmvif->csa_work, 0); | |
5209 | ||
f6780614 | 5210 | if (chsw->block_tx) { |
f6780614 SS |
5211 | /* |
5212 | * In case of undetermined / long time with immediate | |
5213 | * quiet monitor status to gracefully disconnect | |
5214 | */ | |
5215 | if (!chsw->count || | |
5216 | chsw->count * vif->bss_conf.beacon_int > | |
5217 | IWL_MAX_CSA_BLOCK_TX) | |
5218 | schedule_delayed_work(&mvmvif->csa_work, | |
5219 | msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX)); | |
5220 | } | |
dc88b4ba | 5221 | |
0202bcf0 EG |
5222 | if (!fw_has_capa(&mvm->fw->ucode_capa, |
5223 | IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { | |
5224 | ret = iwl_mvm_old_pre_chan_sw_sta(mvm, vif, chsw); | |
c6e0a3e0 LC |
5225 | if (ret) |
5226 | goto out_unlock; | |
0202bcf0 | 5227 | } else { |
74a10252 | 5228 | iwl_mvm_schedule_client_csa(mvm, vif, chsw); |
0202bcf0 | 5229 | } |
81b4e44e SS |
5230 | |
5231 | mvmvif->csa_count = chsw->count; | |
5232 | mvmvif->csa_misbehave = false; | |
dc88b4ba | 5233 | break; |
6b20d774 LC |
5234 | default: |
5235 | break; | |
5236 | } | |
bd3398e2 | 5237 | |
f6c34820 LC |
5238 | mvmvif->ps_disabled = true; |
5239 | ||
5240 | ret = iwl_mvm_power_update_ps(mvm); | |
5241 | if (ret) | |
5242 | goto out_unlock; | |
f028905c | 5243 | |
e198f5e7 AN |
5244 | /* we won't be on this channel any longer */ |
5245 | iwl_mvm_teardown_tdls_peers(mvm); | |
5246 | ||
bd3398e2 AO |
5247 | out_unlock: |
5248 | mutex_unlock(&mvm->mutex); | |
f028905c LC |
5249 | |
5250 | return ret; | |
bd3398e2 AO |
5251 | } |
5252 | ||
cbce62a3 MK |
5253 | void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw, |
5254 | struct ieee80211_vif *vif, | |
5255 | struct ieee80211_channel_switch *chsw) | |
f6c34820 | 5256 | { |
f6c34820 | 5257 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
c37763d2 SS |
5258 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
5259 | struct iwl_chan_switch_te_cmd cmd = { | |
5260 | .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, | |
5261 | mvmvif->color)), | |
5262 | .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY), | |
5263 | .tsf = cpu_to_le32(chsw->timestamp), | |
5264 | .cs_count = chsw->count, | |
77738865 | 5265 | .cs_mode = chsw->block_tx, |
c37763d2 | 5266 | }; |
a57c688d | 5267 | |
ad12b231 NE |
5268 | /* |
5269 | * In the new flow FW is in charge of timing the switch so there is no | |
5270 | * need for all of this | |
5271 | */ | |
5272 | if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, | |
5273 | CHANNEL_SWITCH_ERROR_NOTIF, 0)) | |
5274 | return; | |
5275 | ||
c37763d2 SS |
5276 | if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY)) |
5277 | return; | |
a57c688d | 5278 | |
c3eae059 GG |
5279 | IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d count = %d (old %d) mode = %d\n", |
5280 | mvmvif->id, chsw->count, mvmvif->csa_count, chsw->block_tx); | |
5281 | ||
81b4e44e SS |
5282 | if (chsw->count >= mvmvif->csa_count && chsw->block_tx) { |
5283 | if (mvmvif->csa_misbehave) { | |
5284 | /* Second time, give up on this AP*/ | |
5285 | iwl_mvm_abort_channel_switch(hw, vif); | |
5286 | ieee80211_chswitch_done(vif, false); | |
5287 | mvmvif->csa_misbehave = false; | |
5288 | return; | |
a57c688d | 5289 | } |
81b4e44e | 5290 | mvmvif->csa_misbehave = true; |
a57c688d | 5291 | } |
81b4e44e | 5292 | mvmvif->csa_count = chsw->count; |
a57c688d | 5293 | |
caf46377 SS |
5294 | mutex_lock(&mvm->mutex); |
5295 | if (mvmvif->csa_failed) | |
5296 | goto out_unlock; | |
f6c34820 | 5297 | |
c37763d2 SS |
5298 | WARN_ON(iwl_mvm_send_cmd_pdu(mvm, |
5299 | WIDE_ID(MAC_CONF_GROUP, | |
5300 | CHANNEL_SWITCH_TIME_EVENT_CMD), | |
caf46377 SS |
5301 | 0, sizeof(cmd), &cmd)); |
5302 | out_unlock: | |
5303 | mutex_unlock(&mvm->mutex); | |
f6c34820 LC |
5304 | } |
5305 | ||
6110d9e5 DS |
5306 | static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) |
5307 | { | |
435d0827 SS |
5308 | int i; |
5309 | ||
06195639 | 5310 | if (!iwl_mvm_has_new_tx_api(mvm)) { |
309c4848 LC |
5311 | if (drop) { |
5312 | mutex_lock(&mvm->mutex); | |
6110d9e5 | 5313 | iwl_mvm_flush_tx_path(mvm, |
d4e3a341 | 5314 | iwl_mvm_flushable_queues(mvm) & queues); |
309c4848 LC |
5315 | mutex_unlock(&mvm->mutex); |
5316 | } else { | |
06195639 | 5317 | iwl_trans_wait_tx_queues_empty(mvm->trans, queues); |
309c4848 | 5318 | } |
435d0827 SS |
5319 | return; |
5320 | } | |
6110d9e5 | 5321 | |
435d0827 | 5322 | mutex_lock(&mvm->mutex); |
be9ae34e | 5323 | for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { |
435d0827 | 5324 | struct ieee80211_sta *sta; |
6110d9e5 | 5325 | |
435d0827 SS |
5326 | sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], |
5327 | lockdep_is_held(&mvm->mutex)); | |
5328 | if (IS_ERR_OR_NULL(sta)) | |
5329 | continue; | |
6110d9e5 | 5330 | |
06195639 | 5331 | if (drop) |
d4e3a341 | 5332 | iwl_mvm_flush_sta_tids(mvm, i, 0xFFFF); |
06195639 SS |
5333 | else |
5334 | iwl_mvm_wait_sta_queues_empty(mvm, | |
5335 | iwl_mvm_sta_from_mac80211(sta)); | |
6110d9e5 | 5336 | } |
435d0827 | 5337 | mutex_unlock(&mvm->mutex); |
6110d9e5 DS |
5338 | } |
5339 | ||
cbce62a3 MK |
5340 | void iwl_mvm_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
5341 | u32 queues, bool drop) | |
c5b0e7c0 EG |
5342 | { |
5343 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
5344 | struct iwl_mvm_vif *mvmvif; | |
5345 | struct iwl_mvm_sta *mvmsta; | |
a0f6bf2a AN |
5346 | struct ieee80211_sta *sta; |
5347 | int i; | |
5348 | u32 msk = 0; | |
c5b0e7c0 | 5349 | |
6110d9e5 DS |
5350 | if (!vif) { |
5351 | iwl_mvm_flush_no_vif(mvm, queues, drop); | |
5352 | return; | |
5353 | } | |
5354 | ||
5355 | if (vif->type != NL80211_IFTYPE_STATION) | |
c5b0e7c0 EG |
5356 | return; |
5357 | ||
24afba76 | 5358 | /* Make sure we're done with the deferred traffic before flushing */ |
c8f54701 | 5359 | flush_work(&mvm->add_stream_wk); |
24afba76 | 5360 | |
c5b0e7c0 EG |
5361 | mutex_lock(&mvm->mutex); |
5362 | mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
c5b0e7c0 | 5363 | |
a0f6bf2a | 5364 | /* flush the AP-station and all TDLS peers */ |
be9ae34e | 5365 | for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { |
a0f6bf2a AN |
5366 | sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], |
5367 | lockdep_is_held(&mvm->mutex)); | |
5368 | if (IS_ERR_OR_NULL(sta)) | |
5369 | continue; | |
5370 | ||
5371 | mvmsta = iwl_mvm_sta_from_mac80211(sta); | |
5372 | if (mvmsta->vif != vif) | |
5373 | continue; | |
5374 | ||
5375 | /* make sure only TDLS peers or the AP are flushed */ | |
650cadb7 | 5376 | WARN_ON(i != mvmvif->deflink.ap_sta_id && !sta->tdls); |
a0f6bf2a | 5377 | |
d49394a1 | 5378 | if (drop) { |
f9084775 | 5379 | if (iwl_mvm_flush_sta(mvm, mvmsta, false)) |
d49394a1 SS |
5380 | IWL_ERR(mvm, "flush request fail\n"); |
5381 | } else { | |
d6d517b7 SS |
5382 | if (iwl_mvm_has_new_tx_api(mvm)) |
5383 | iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); | |
f7bd883b JB |
5384 | else /* only used for !iwl_mvm_has_new_tx_api() below */ |
5385 | msk |= mvmsta->tfd_queue_msk; | |
d49394a1 | 5386 | } |
480acbce | 5387 | } |
c5b0e7c0 | 5388 | |
d49394a1 | 5389 | mutex_unlock(&mvm->mutex); |
4e6c48e0 | 5390 | |
d49394a1 SS |
5391 | /* this can take a while, and we may need/want other operations |
5392 | * to succeed while doing this, so do it without the mutex held | |
5393 | */ | |
d6d517b7 | 5394 | if (!drop && !iwl_mvm_has_new_tx_api(mvm)) |
a1a57877 | 5395 | iwl_trans_wait_tx_queues_empty(mvm->trans, msk); |
c5b0e7c0 EG |
5396 | } |
5397 | ||
cbce62a3 MK |
5398 | int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, |
5399 | struct survey_info *survey) | |
91a8bcde JB |
5400 | { |
5401 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
5402 | int ret; | |
5403 | ||
5404 | memset(survey, 0, sizeof(*survey)); | |
5405 | ||
5406 | /* only support global statistics right now */ | |
5407 | if (idx != 0) | |
5408 | return -ENOENT; | |
5409 | ||
280a3efa JB |
5410 | if (!fw_has_capa(&mvm->fw->ucode_capa, |
5411 | IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) | |
91a8bcde JB |
5412 | return -ENOENT; |
5413 | ||
5414 | mutex_lock(&mvm->mutex); | |
5415 | ||
aab6930d | 5416 | if (iwl_mvm_firmware_running(mvm)) { |
33cef925 | 5417 | ret = iwl_mvm_request_statistics(mvm, false); |
91a8bcde JB |
5418 | if (ret) |
5419 | goto out; | |
5420 | } | |
5421 | ||
5422 | survey->filled = SURVEY_INFO_TIME | | |
5423 | SURVEY_INFO_TIME_RX | | |
5424 | SURVEY_INFO_TIME_TX | | |
5425 | SURVEY_INFO_TIME_SCAN; | |
5426 | survey->time = mvm->accu_radio_stats.on_time_rf + | |
5427 | mvm->radio_stats.on_time_rf; | |
5428 | do_div(survey->time, USEC_PER_MSEC); | |
5429 | ||
5430 | survey->time_rx = mvm->accu_radio_stats.rx_time + | |
5431 | mvm->radio_stats.rx_time; | |
5432 | do_div(survey->time_rx, USEC_PER_MSEC); | |
5433 | ||
5434 | survey->time_tx = mvm->accu_radio_stats.tx_time + | |
5435 | mvm->radio_stats.tx_time; | |
5436 | do_div(survey->time_tx, USEC_PER_MSEC); | |
5437 | ||
5438 | survey->time_scan = mvm->accu_radio_stats.on_time_scan + | |
5439 | mvm->radio_stats.on_time_scan; | |
5440 | do_div(survey->time_scan, USEC_PER_MSEC); | |
5441 | ||
10a7c028 | 5442 | ret = 0; |
91a8bcde JB |
5443 | out: |
5444 | mutex_unlock(&mvm->mutex); | |
5445 | return ret; | |
5446 | } | |
5447 | ||
ed780545 JB |
5448 | static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo) |
5449 | { | |
82cdbd11 | 5450 | u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK; |
7138763e | 5451 | u32 gi_ltf; |
82cdbd11 MK |
5452 | |
5453 | switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { | |
ed780545 JB |
5454 | case RATE_MCS_CHAN_WIDTH_20: |
5455 | rinfo->bw = RATE_INFO_BW_20; | |
5456 | break; | |
5457 | case RATE_MCS_CHAN_WIDTH_40: | |
5458 | rinfo->bw = RATE_INFO_BW_40; | |
5459 | break; | |
5460 | case RATE_MCS_CHAN_WIDTH_80: | |
5461 | rinfo->bw = RATE_INFO_BW_80; | |
5462 | break; | |
5463 | case RATE_MCS_CHAN_WIDTH_160: | |
5464 | rinfo->bw = RATE_INFO_BW_160; | |
5465 | break; | |
23dcee94 JB |
5466 | case RATE_MCS_CHAN_WIDTH_320: |
5467 | rinfo->bw = RATE_INFO_BW_320; | |
5468 | break; | |
ed780545 JB |
5469 | } |
5470 | ||
82cdbd11 MK |
5471 | if (format == RATE_MCS_CCK_MSK || |
5472 | format == RATE_MCS_LEGACY_OFDM_MSK) { | |
5473 | int rate = u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK); | |
5474 | ||
5475 | /* add the offset needed to get to the legacy ofdm indices */ | |
5476 | if (format == RATE_MCS_LEGACY_OFDM_MSK) | |
5477 | rate += IWL_FIRST_OFDM_RATE; | |
5478 | ||
5479 | switch (rate) { | |
5480 | case IWL_RATE_1M_INDEX: | |
5481 | rinfo->legacy = 10; | |
5482 | break; | |
5483 | case IWL_RATE_2M_INDEX: | |
5484 | rinfo->legacy = 20; | |
5485 | break; | |
5486 | case IWL_RATE_5M_INDEX: | |
5487 | rinfo->legacy = 55; | |
5488 | break; | |
5489 | case IWL_RATE_11M_INDEX: | |
5490 | rinfo->legacy = 110; | |
5491 | break; | |
5492 | case IWL_RATE_6M_INDEX: | |
5493 | rinfo->legacy = 60; | |
5494 | break; | |
5495 | case IWL_RATE_9M_INDEX: | |
5496 | rinfo->legacy = 90; | |
5497 | break; | |
5498 | case IWL_RATE_12M_INDEX: | |
5499 | rinfo->legacy = 120; | |
5500 | break; | |
5501 | case IWL_RATE_18M_INDEX: | |
5502 | rinfo->legacy = 180; | |
5503 | break; | |
5504 | case IWL_RATE_24M_INDEX: | |
5505 | rinfo->legacy = 240; | |
5506 | break; | |
5507 | case IWL_RATE_36M_INDEX: | |
5508 | rinfo->legacy = 360; | |
5509 | break; | |
5510 | case IWL_RATE_48M_INDEX: | |
5511 | rinfo->legacy = 480; | |
5512 | break; | |
5513 | case IWL_RATE_54M_INDEX: | |
5514 | rinfo->legacy = 540; | |
5515 | } | |
5516 | return; | |
5517 | } | |
5518 | ||
5519 | rinfo->nss = u32_get_bits(rate_n_flags, | |
5520 | RATE_MCS_NSS_MSK) + 1; | |
5521 | rinfo->mcs = format == RATE_MCS_HT_MSK ? | |
5522 | RATE_HT_MCS_INDEX(rate_n_flags) : | |
5523 | u32_get_bits(rate_n_flags, RATE_MCS_CODE_MSK); | |
5524 | ||
7138763e JB |
5525 | if (rate_n_flags & RATE_MCS_SGI_MSK) |
5526 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
5527 | ||
5528 | switch (format) { | |
23dcee94 JB |
5529 | case RATE_MCS_EHT_MSK: |
5530 | /* TODO: GI/LTF/RU. How does the firmware encode them? */ | |
5531 | rinfo->flags |= RATE_INFO_FLAGS_EHT_MCS; | |
5532 | break; | |
7138763e JB |
5533 | case RATE_MCS_HE_MSK: |
5534 | gi_ltf = u32_get_bits(rate_n_flags, RATE_MCS_HE_GI_LTF_MSK); | |
ed780545 JB |
5535 | |
5536 | rinfo->flags |= RATE_INFO_FLAGS_HE_MCS; | |
ed780545 | 5537 | |
82cdbd11 | 5538 | if (rate_n_flags & RATE_MCS_HE_106T_MSK) { |
ed780545 JB |
5539 | rinfo->bw = RATE_INFO_BW_HE_RU; |
5540 | rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106; | |
5541 | } | |
5542 | ||
82cdbd11 MK |
5543 | switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) { |
5544 | case RATE_MCS_HE_TYPE_SU: | |
5545 | case RATE_MCS_HE_TYPE_EXT_SU: | |
ed780545 JB |
5546 | if (gi_ltf == 0 || gi_ltf == 1) |
5547 | rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; | |
5548 | else if (gi_ltf == 2) | |
5549 | rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; | |
82cdbd11 | 5550 | else if (gi_ltf == 3) |
ed780545 | 5551 | rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; |
82cdbd11 MK |
5552 | else |
5553 | rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; | |
ed780545 | 5554 | break; |
82cdbd11 | 5555 | case RATE_MCS_HE_TYPE_MU: |
ed780545 JB |
5556 | if (gi_ltf == 0 || gi_ltf == 1) |
5557 | rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; | |
5558 | else if (gi_ltf == 2) | |
5559 | rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; | |
5560 | else | |
5561 | rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; | |
5562 | break; | |
82cdbd11 | 5563 | case RATE_MCS_HE_TYPE_TRIG: |
ed780545 JB |
5564 | if (gi_ltf == 0 || gi_ltf == 1) |
5565 | rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; | |
5566 | else | |
5567 | rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; | |
5568 | break; | |
5569 | } | |
5570 | ||
5571 | if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK) | |
5572 | rinfo->he_dcm = 1; | |
7138763e JB |
5573 | break; |
5574 | case RATE_MCS_HT_MSK: | |
82cdbd11 | 5575 | rinfo->flags |= RATE_INFO_FLAGS_MCS; |
7138763e JB |
5576 | break; |
5577 | case RATE_MCS_VHT_MSK: | |
82cdbd11 | 5578 | rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; |
7138763e | 5579 | break; |
ed780545 JB |
5580 | } |
5581 | } | |
5582 | ||
cbce62a3 MK |
5583 | void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, |
5584 | struct ieee80211_vif *vif, | |
5585 | struct ieee80211_sta *sta, | |
5586 | struct station_info *sinfo) | |
33cef925 JB |
5587 | { |
5588 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
5589 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
5590 | struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); | |
5591 | ||
c8ee33e1 GG |
5592 | if (mvmsta->deflink.avg_energy) { |
5593 | sinfo->signal_avg = -(s8)mvmsta->deflink.avg_energy; | |
22d0d2fa | 5594 | sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); |
988b5968 SS |
5595 | } |
5596 | ||
ed780545 | 5597 | if (iwl_mvm_has_tlc_offload(mvm)) { |
c8ee33e1 | 5598 | struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->deflink.lq_sta.rs_fw; |
ed780545 JB |
5599 | |
5600 | iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate); | |
5601 | sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); | |
5602 | } | |
5603 | ||
33cef925 JB |
5604 | /* if beacon filtering isn't on mac80211 does it anyway */ |
5605 | if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) | |
5606 | return; | |
5607 | ||
f276e20b | 5608 | if (!vif->cfg.assoc) |
33cef925 JB |
5609 | return; |
5610 | ||
5611 | mutex_lock(&mvm->mutex); | |
5612 | ||
c8ee33e1 | 5613 | if (mvmvif->deflink.ap_sta_id != mvmsta->deflink.sta_id) |
33cef925 JB |
5614 | goto unlock; |
5615 | ||
5616 | if (iwl_mvm_request_statistics(mvm, false)) | |
5617 | goto unlock; | |
5618 | ||
650cadb7 GG |
5619 | sinfo->rx_beacon = mvmvif->deflink.beacon_stats.num_beacons + |
5620 | mvmvif->deflink.beacon_stats.accu_num_beacons; | |
22d0d2fa | 5621 | sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); |
650cadb7 | 5622 | if (mvmvif->deflink.beacon_stats.avg_signal) { |
33cef925 | 5623 | /* firmware only reports a value after RXing a few beacons */ |
650cadb7 GG |
5624 | sinfo->rx_beacon_signal_avg = |
5625 | mvmvif->deflink.beacon_stats.avg_signal; | |
22d0d2fa | 5626 | sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); |
33cef925 JB |
5627 | } |
5628 | unlock: | |
5629 | mutex_unlock(&mvm->mutex); | |
5630 | } | |
5631 | ||
119c2a13 MG |
5632 | static void iwl_mvm_event_mlme_callback_ini(struct iwl_mvm *mvm, |
5633 | struct ieee80211_vif *vif, | |
5634 | const struct ieee80211_mlme_event *mlme) | |
5635 | { | |
1a81bddf MG |
5636 | if ((mlme->data == ASSOC_EVENT || mlme->data == AUTH_EVENT) && |
5637 | (mlme->status == MLME_DENIED || mlme->status == MLME_TIMEOUT)) { | |
119c2a13 MG |
5638 | iwl_dbg_tlv_time_point(&mvm->fwrt, |
5639 | IWL_FW_INI_TIME_POINT_ASSOC_FAILED, | |
5640 | NULL); | |
5641 | return; | |
5642 | } | |
5643 | ||
119c2a13 MG |
5644 | if (mlme->data == DEAUTH_RX_EVENT || mlme->data == DEAUTH_TX_EVENT) { |
5645 | iwl_dbg_tlv_time_point(&mvm->fwrt, | |
5646 | IWL_FW_INI_TIME_POINT_DEASSOC, | |
5647 | NULL); | |
5648 | return; | |
5649 | } | |
5650 | } | |
5651 | ||
4203263d EG |
5652 | static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, |
5653 | struct ieee80211_vif *vif, | |
5654 | const struct ieee80211_event *event) | |
d42f5350 | 5655 | { |
7174beb6 JB |
5656 | #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ |
5657 | do { \ | |
5658 | if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ | |
5659 | break; \ | |
5660 | iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ | |
d42f5350 EG |
5661 | } while (0) |
5662 | ||
d42f5350 EG |
5663 | struct iwl_fw_dbg_trigger_tlv *trig; |
5664 | struct iwl_fw_dbg_trigger_mlme *trig_mlme; | |
d42f5350 | 5665 | |
119c2a13 MG |
5666 | if (iwl_trans_dbg_ini_valid(mvm->trans)) { |
5667 | iwl_mvm_event_mlme_callback_ini(mvm, vif, &event->u.mlme); | |
5668 | return; | |
5669 | } | |
5670 | ||
6c042d75 SS |
5671 | trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), |
5672 | FW_DBG_TRIGGER_MLME); | |
5673 | if (!trig) | |
d42f5350 EG |
5674 | return; |
5675 | ||
d42f5350 | 5676 | trig_mlme = (void *)trig->data; |
d42f5350 | 5677 | |
d42f5350 EG |
5678 | if (event->u.mlme.data == ASSOC_EVENT) { |
5679 | if (event->u.mlme.status == MLME_DENIED) | |
4c324a51 | 5680 | CHECK_MLME_TRIGGER(stop_assoc_denied, |
d42f5350 EG |
5681 | "DENIED ASSOC: reason %d", |
5682 | event->u.mlme.reason); | |
5683 | else if (event->u.mlme.status == MLME_TIMEOUT) | |
4c324a51 | 5684 | CHECK_MLME_TRIGGER(stop_assoc_timeout, |
d42f5350 EG |
5685 | "ASSOC TIMEOUT"); |
5686 | } else if (event->u.mlme.data == AUTH_EVENT) { | |
5687 | if (event->u.mlme.status == MLME_DENIED) | |
4c324a51 | 5688 | CHECK_MLME_TRIGGER(stop_auth_denied, |
d42f5350 EG |
5689 | "DENIED AUTH: reason %d", |
5690 | event->u.mlme.reason); | |
5691 | else if (event->u.mlme.status == MLME_TIMEOUT) | |
4c324a51 | 5692 | CHECK_MLME_TRIGGER(stop_auth_timeout, |
d42f5350 EG |
5693 | "AUTH TIMEOUT"); |
5694 | } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { | |
4c324a51 | 5695 | CHECK_MLME_TRIGGER(stop_rx_deauth, |
d42f5350 EG |
5696 | "DEAUTH RX %d", event->u.mlme.reason); |
5697 | } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { | |
4c324a51 | 5698 | CHECK_MLME_TRIGGER(stop_tx_deauth, |
d42f5350 EG |
5699 | "DEAUTH TX %d", event->u.mlme.reason); |
5700 | } | |
5701 | #undef CHECK_MLME_TRIGGER | |
5702 | } | |
5703 | ||
4203263d EG |
5704 | static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, |
5705 | struct ieee80211_vif *vif, | |
5706 | const struct ieee80211_event *event) | |
5707 | { | |
5708 | struct iwl_fw_dbg_trigger_tlv *trig; | |
5709 | struct iwl_fw_dbg_trigger_ba *ba_trig; | |
5710 | ||
6c042d75 SS |
5711 | trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), |
5712 | FW_DBG_TRIGGER_BA); | |
5713 | if (!trig) | |
4203263d EG |
5714 | return; |
5715 | ||
4203263d | 5716 | ba_trig = (void *)trig->data; |
4203263d EG |
5717 | |
5718 | if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) | |
5719 | return; | |
5720 | ||
7174beb6 JB |
5721 | iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, |
5722 | "BAR received from %pM, tid %d, ssn %d", | |
5723 | event->u.ba.sta->addr, event->u.ba.tid, | |
5724 | event->u.ba.ssn); | |
4203263d EG |
5725 | } |
5726 | ||
cbce62a3 MK |
5727 | void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, |
5728 | struct ieee80211_vif *vif, | |
5729 | const struct ieee80211_event *event) | |
4203263d EG |
5730 | { |
5731 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
5732 | ||
5733 | switch (event->type) { | |
5734 | case MLME_EVENT: | |
5735 | iwl_mvm_event_mlme_callback(mvm, vif, event); | |
5736 | break; | |
5737 | case BAR_RX_EVENT: | |
5738 | iwl_mvm_event_bar_rx_callback(mvm, vif, event); | |
5739 | break; | |
5740 | case BA_FRAME_TIMEOUT: | |
528a542a EG |
5741 | iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, |
5742 | event->u.ba.tid); | |
4203263d EG |
5743 | break; |
5744 | default: | |
5745 | break; | |
5746 | } | |
5747 | } | |
5748 | ||
d0ff5d22 | 5749 | void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, |
5e1688ce JB |
5750 | enum iwl_mvm_rxq_notif_type type, |
5751 | bool sync, | |
5752 | const void *data, u32 size) | |
0636b938 | 5753 | { |
5e1688ce JB |
5754 | struct { |
5755 | struct iwl_rxq_sync_cmd cmd; | |
5756 | struct iwl_mvm_internal_rxq_notif notif; | |
5757 | } __packed cmd = { | |
5758 | .cmd.rxq_mask = cpu_to_le32(BIT(mvm->trans->num_rx_queues) - 1), | |
5759 | .cmd.count = | |
5760 | cpu_to_le32(sizeof(struct iwl_mvm_internal_rxq_notif) + | |
5761 | size), | |
5762 | .notif.type = type, | |
5763 | .notif.sync = sync, | |
5764 | }; | |
5765 | struct iwl_host_cmd hcmd = { | |
5766 | .id = WIDE_ID(DATA_PATH_GROUP, TRIGGER_RX_QUEUES_NOTIF_CMD), | |
5767 | .data[0] = &cmd, | |
5768 | .len[0] = sizeof(cmd), | |
5769 | .data[1] = data, | |
5770 | .len[1] = size, | |
5771 | .flags = sync ? 0 : CMD_ASYNC, | |
5772 | }; | |
0636b938 SS |
5773 | int ret; |
5774 | ||
5e1688ce JB |
5775 | /* size must be a multiple of DWORD */ |
5776 | if (WARN_ON(cmd.cmd.count & cpu_to_le32(3))) | |
5777 | return; | |
0636b938 | 5778 | |
cb8550e1 | 5779 | if (!iwl_mvm_has_new_rx_api(mvm)) |
0636b938 SS |
5780 | return; |
5781 | ||
5e1688ce JB |
5782 | if (sync) { |
5783 | cmd.notif.cookie = mvm->queue_sync_cookie; | |
2f7a04c7 | 5784 | mvm->queue_sync_state = (1 << mvm->trans->num_rx_queues) - 1; |
a2113cc4 | 5785 | } |
0636b938 | 5786 | |
5e1688ce | 5787 | ret = iwl_mvm_send_cmd(mvm, &hcmd); |
0636b938 SS |
5788 | if (ret) { |
5789 | IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); | |
5790 | goto out; | |
5791 | } | |
d0ff5d22 | 5792 | |
5e1688ce | 5793 | if (sync) { |
3c514bf8 | 5794 | lockdep_assert_held(&mvm->mutex); |
3a732c65 | 5795 | ret = wait_event_timeout(mvm->rx_sync_waitq, |
2f7a04c7 | 5796 | READ_ONCE(mvm->queue_sync_state) == 0 || |
6ad04359 | 5797 | iwl_mvm_is_radio_killed(mvm), |
d0ff5d22 | 5798 | HZ); |
2f7a04c7 JB |
5799 | WARN_ONCE(!ret && !iwl_mvm_is_radio_killed(mvm), |
5800 | "queue sync: failed to sync, state is 0x%lx\n", | |
5801 | mvm->queue_sync_state); | |
6ad04359 | 5802 | } |
0636b938 SS |
5803 | |
5804 | out: | |
5e1688ce | 5805 | if (sync) { |
5f8a3561 | 5806 | mvm->queue_sync_state = 0; |
a2113cc4 | 5807 | mvm->queue_sync_cookie++; |
5f8a3561 | 5808 | } |
0636b938 SS |
5809 | } |
5810 | ||
cbce62a3 | 5811 | void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) |
0636b938 SS |
5812 | { |
5813 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
5814 | ||
5815 | mutex_lock(&mvm->mutex); | |
5e1688ce | 5816 | iwl_mvm_sync_rx_queues_internal(mvm, IWL_MVM_RXQ_EMPTY, true, NULL, 0); |
0636b938 SS |
5817 | mutex_unlock(&mvm->mutex); |
5818 | } | |
5819 | ||
cbce62a3 | 5820 | int |
b73f9a4a JB |
5821 | iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw, |
5822 | struct ieee80211_vif *vif, | |
5823 | struct cfg80211_ftm_responder_stats *stats) | |
5824 | { | |
5825 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
5826 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
5827 | ||
5828 | if (vif->p2p || vif->type != NL80211_IFTYPE_AP || | |
5829 | !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder) | |
5830 | return -EINVAL; | |
5831 | ||
5832 | mutex_lock(&mvm->mutex); | |
5833 | *stats = mvm->ftm_resp_stats; | |
5834 | mutex_unlock(&mvm->mutex); | |
5835 | ||
5836 | stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) | | |
5837 | BIT(NL80211_FTM_STATS_PARTIAL_NUM) | | |
5838 | BIT(NL80211_FTM_STATS_FAILED_NUM) | | |
5839 | BIT(NL80211_FTM_STATS_ASAP_NUM) | | |
5840 | BIT(NL80211_FTM_STATS_NON_ASAP_NUM) | | |
5841 | BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) | | |
5842 | BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) | | |
5843 | BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) | | |
5844 | BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM); | |
5845 | ||
5846 | return 0; | |
5847 | } | |
5848 | ||
cbce62a3 MK |
5849 | int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
5850 | struct cfg80211_pmsr_request *request) | |
fc36ffda JB |
5851 | { |
5852 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
5853 | int ret; | |
5854 | ||
5855 | mutex_lock(&mvm->mutex); | |
5856 | ret = iwl_mvm_ftm_start(mvm, vif, request); | |
5857 | mutex_unlock(&mvm->mutex); | |
5858 | ||
5859 | return ret; | |
5860 | } | |
5861 | ||
cbce62a3 MK |
5862 | void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
5863 | struct cfg80211_pmsr_request *request) | |
fc36ffda JB |
5864 | { |
5865 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
5866 | ||
5867 | mutex_lock(&mvm->mutex); | |
5868 | iwl_mvm_ftm_abort(mvm, request); | |
5869 | mutex_unlock(&mvm->mutex); | |
5870 | } | |
5871 | ||
438af969 SS |
5872 | static bool iwl_mvm_can_hw_csum(struct sk_buff *skb) |
5873 | { | |
5874 | u8 protocol = ip_hdr(skb)->protocol; | |
5875 | ||
5876 | if (!IS_ENABLED(CONFIG_INET)) | |
5877 | return false; | |
5878 | ||
5879 | return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; | |
5880 | } | |
5881 | ||
5882 | static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw, | |
5883 | struct sk_buff *head, | |
5884 | struct sk_buff *skb) | |
5885 | { | |
5886 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
5887 | ||
0792df68 JB |
5888 | if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) |
5889 | return iwl_mvm_tx_csum_bz(mvm, head, true) == | |
5890 | iwl_mvm_tx_csum_bz(mvm, skb, true); | |
5891 | ||
438af969 SS |
5892 | /* For now don't aggregate IPv6 in AMSDU */ |
5893 | if (skb->protocol != htons(ETH_P_IP)) | |
5894 | return false; | |
5895 | ||
5896 | if (!iwl_mvm_is_csum_supported(mvm)) | |
5897 | return true; | |
5898 | ||
5899 | return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); | |
5900 | } | |
5901 | ||
be8897e2 AS |
5902 | int iwl_mvm_set_hw_timestamp(struct ieee80211_hw *hw, |
5903 | struct ieee80211_vif *vif, | |
5904 | struct cfg80211_set_hw_timestamp *hwts) | |
cf85123a AS |
5905 | { |
5906 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
5907 | u32 protocols = 0; | |
5908 | int ret; | |
5909 | ||
5910 | /* HW timestamping is only supported for a specific station */ | |
5911 | if (!hwts->macaddr) | |
5912 | return -EOPNOTSUPP; | |
5913 | ||
5914 | if (hwts->enable) | |
5915 | protocols = | |
5916 | IWL_TIME_SYNC_PROTOCOL_TM | IWL_TIME_SYNC_PROTOCOL_FTM; | |
5917 | ||
5918 | mutex_lock(&mvm->mutex); | |
5919 | ret = iwl_mvm_time_sync_config(mvm, hwts->macaddr, protocols); | |
5920 | mutex_unlock(&mvm->mutex); | |
5921 | ||
5922 | return ret; | |
5923 | } | |
5924 | ||
e5209263 | 5925 | const struct ieee80211_ops iwl_mvm_hw_ops = { |
8ca151b5 | 5926 | .tx = iwl_mvm_mac_tx, |
cfbc6c4c | 5927 | .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, |
8ca151b5 | 5928 | .ampdu_action = iwl_mvm_mac_ampdu_action, |
e8503aec | 5929 | .get_antenna = iwl_mvm_op_get_antenna, |
8ca151b5 | 5930 | .start = iwl_mvm_mac_start, |
cf2c92d8 | 5931 | .reconfig_complete = iwl_mvm_mac_reconfig_complete, |
8ca151b5 JB |
5932 | .stop = iwl_mvm_mac_stop, |
5933 | .add_interface = iwl_mvm_mac_add_interface, | |
5934 | .remove_interface = iwl_mvm_mac_remove_interface, | |
5935 | .config = iwl_mvm_mac_config, | |
e59647ea | 5936 | .prepare_multicast = iwl_mvm_prepare_multicast, |
8ca151b5 | 5937 | .configure_filter = iwl_mvm_configure_filter, |
effd1929 | 5938 | .config_iface_filter = iwl_mvm_config_iface_filter, |
8ca151b5 JB |
5939 | .bss_info_changed = iwl_mvm_bss_info_changed, |
5940 | .hw_scan = iwl_mvm_mac_hw_scan, | |
5941 | .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, | |
1ddbbb0c | 5942 | .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, |
8ca151b5 JB |
5943 | .sta_state = iwl_mvm_mac_sta_state, |
5944 | .sta_notify = iwl_mvm_mac_sta_notify, | |
5945 | .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, | |
3e56eadf | 5946 | .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, |
8ca151b5 | 5947 | .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, |
1f3b0ff8 | 5948 | .sta_rc_update = iwl_mvm_sta_rc_update, |
8ca151b5 JB |
5949 | .conf_tx = iwl_mvm_mac_conf_tx, |
5950 | .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, | |
6b1259d1 | 5951 | .mgd_complete_tx = iwl_mvm_mac_mgd_complete_tx, |
07ecd897 | 5952 | .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, |
c5b0e7c0 | 5953 | .flush = iwl_mvm_mac_flush, |
35a000b7 DS |
5954 | .sched_scan_start = iwl_mvm_mac_sched_scan_start, |
5955 | .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, | |
8ca151b5 JB |
5956 | .set_key = iwl_mvm_mac_set_key, |
5957 | .update_tkip_key = iwl_mvm_mac_update_tkip_key, | |
5958 | .remain_on_channel = iwl_mvm_roc, | |
5959 | .cancel_remain_on_channel = iwl_mvm_cancel_roc, | |
8ca151b5 JB |
5960 | .add_chanctx = iwl_mvm_add_chanctx, |
5961 | .remove_chanctx = iwl_mvm_remove_chanctx, | |
5962 | .change_chanctx = iwl_mvm_change_chanctx, | |
5963 | .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, | |
5964 | .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, | |
b08c1d97 | 5965 | .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, |
8ca151b5 | 5966 | |
ae7ba17b ST |
5967 | .start_ap = iwl_mvm_start_ap, |
5968 | .stop_ap = iwl_mvm_stop_ap, | |
5969 | .join_ibss = iwl_mvm_start_ibss, | |
5970 | .leave_ibss = iwl_mvm_stop_ibss, | |
8ca151b5 | 5971 | |
2f0282db JB |
5972 | .tx_last_beacon = iwl_mvm_tx_last_beacon, |
5973 | ||
8ca151b5 JB |
5974 | .set_tim = iwl_mvm_set_tim, |
5975 | ||
622e3f9b | 5976 | .channel_switch = iwl_mvm_channel_switch, |
f028905c | 5977 | .pre_channel_switch = iwl_mvm_pre_channel_switch, |
f6c34820 | 5978 | .post_channel_switch = iwl_mvm_post_channel_switch, |
79221126 | 5979 | .abort_channel_switch = iwl_mvm_abort_channel_switch, |
c37763d2 | 5980 | .channel_switch_rx_beacon = iwl_mvm_channel_switch_rx_beacon, |
bd3398e2 | 5981 | |
1d3c3f63 AN |
5982 | .tdls_channel_switch = iwl_mvm_tdls_channel_switch, |
5983 | .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, | |
5984 | .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, | |
5985 | ||
d42f5350 EG |
5986 | .event_callback = iwl_mvm_mac_event_callback, |
5987 | ||
0636b938 SS |
5988 | .sync_rx_queues = iwl_mvm_sync_rx_queues, |
5989 | ||
507cadf2 DS |
5990 | CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) |
5991 | ||
8ca151b5 JB |
5992 | #ifdef CONFIG_PM_SLEEP |
5993 | /* look at d3.c */ | |
5994 | .suspend = iwl_mvm_suspend, | |
5995 | .resume = iwl_mvm_resume, | |
5996 | .set_wakeup = iwl_mvm_set_wakeup, | |
5997 | .set_rekey_data = iwl_mvm_set_rekey_data, | |
5998 | #if IS_ENABLED(CONFIG_IPV6) | |
5999 | .ipv6_addr_change = iwl_mvm_ipv6_addr_change, | |
6000 | #endif | |
6001 | .set_default_unicast_key = iwl_mvm_set_default_unicast_key, | |
6002 | #endif | |
91a8bcde | 6003 | .get_survey = iwl_mvm_mac_get_survey, |
33cef925 | 6004 | .sta_statistics = iwl_mvm_mac_sta_statistics, |
b73f9a4a | 6005 | .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats, |
fc36ffda JB |
6006 | .start_pmsr = iwl_mvm_start_pmsr, |
6007 | .abort_pmsr = iwl_mvm_abort_pmsr, | |
b73f9a4a | 6008 | |
438af969 | 6009 | .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, |
177a11cf GG |
6010 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
6011 | .sta_add_debugfs = iwl_mvm_sta_add_debugfs, | |
6012 | #endif | |
cf85123a | 6013 | .set_hw_timestamp = iwl_mvm_set_hw_timestamp, |
8ca151b5 | 6014 | }; |