Commit | Line | Data |
---|---|---|
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); | |
30686bf7 JB |
294 | ieee80211_hw_set(hw, CONNECTION_MONITOR); |
295 | ieee80211_hw_set(hw, CHANCTX_STA_CSA); | |
296 | ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); | |
297 | ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); | |
909ddf0b | 298 | ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); |
30433d3b | 299 | ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); |
520229e4 | 300 | ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); |
cfbc6c4c SS |
301 | ieee80211_hw_set(hw, BUFF_MMPDU_TXQ); |
302 | ieee80211_hw_set(hw, STA_MMPDU_TXQ); | |
ef2b47b8 JB |
303 | |
304 | /* With MLD FW API, it tracks timing by itself, | |
305 | * no need for any timing from the host | |
306 | */ | |
307 | if (!mvm->mld_api_is_used) | |
308 | ieee80211_hw_set(hw, TIMING_BEACON_ONLY); | |
309 | ||
310 | /* We should probably have this, but mac80211 | |
311 | * currently doesn't support it for MLO. | |
312 | */ | |
313 | if (!(hw->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO)) | |
314 | ieee80211_hw_set(hw, DEAUTH_NEED_MGD_TX_PREP); | |
315 | ||
cfb21b11 JB |
316 | /* |
317 | * On older devices, enabling TX A-MSDU occasionally leads to | |
318 | * something getting messed up, the command read from the FIFO | |
319 | * gets out of sync and isn't a TX command, so that we have an | |
320 | * assert EDC. | |
321 | * | |
322 | * It's not clear where the bug is, but since we didn't used to | |
323 | * support A-MSDU until moving the mac80211 iTXQs, just leave it | |
324 | * for older devices. We also don't see this issue on any newer | |
325 | * devices. | |
326 | */ | |
7d34a7d7 | 327 | if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_9000) |
cfb21b11 | 328 | ieee80211_hw_set(hw, TX_AMSDU); |
438af969 | 329 | ieee80211_hw_set(hw, TX_FRAG_LIST); |
ecaf71de | 330 | |
4243edb4 | 331 | if (iwl_mvm_has_tlc_offload(mvm)) { |
ecaf71de GG |
332 | ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); |
333 | ieee80211_hw_set(hw, HAS_RATE_CONTROL); | |
334 | } | |
335 | ||
b915c101 SS |
336 | if (iwl_mvm_has_new_rx_api(mvm)) |
337 | ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); | |
960f864b JB |
338 | |
339 | if (fw_has_capa(&mvm->fw->ucode_capa, | |
340 | IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) { | |
65e25482 | 341 | ieee80211_hw_set(hw, AP_LINK_PS); |
960f864b JB |
342 | } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) { |
343 | /* | |
344 | * we absolutely need this for the new TX API since that comes | |
345 | * with many more queues than the current code can deal with | |
346 | * for station powersave | |
347 | */ | |
348 | return -EINVAL; | |
349 | } | |
8ca151b5 | 350 | |
80938abc JB |
351 | if (mvm->trans->num_rx_queues > 1) |
352 | ieee80211_hw_set(hw, USES_RSS); | |
353 | ||
2d7cf549 JB |
354 | if (mvm->trans->max_skb_frags) |
355 | hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; | |
356 | ||
366fc672 | 357 | hw->queues = IEEE80211_NUM_ACS; |
398e8c6c | 358 | hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; |
7b1dd048 EG |
359 | hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | |
360 | IEEE80211_RADIOTAP_MCS_HAVE_STBC; | |
339b3086 ES |
361 | hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | |
362 | IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; | |
371a17ed JB |
363 | |
364 | hw->radiotap_timestamp.units_pos = | |
365 | IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | | |
366 | IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; | |
367 | /* this is the case for CCK frames, it's better (only 8) for OFDM */ | |
368 | hw->radiotap_timestamp.accuracy = 22; | |
369 | ||
4243edb4 | 370 | if (!iwl_mvm_has_tlc_offload(mvm)) |
9f66a397 GG |
371 | hw->rate_control_algorithm = RS_NAME; |
372 | ||
848955cc JB |
373 | hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; |
374 | hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; | |
438af969 | 375 | hw->max_tx_fragments = mvm->trans->max_skb_frags; |
8ca151b5 | 376 | |
8e160ab8 | 377 | BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); |
5f4c02e2 JB |
378 | memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); |
379 | hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); | |
380 | hw->wiphy->cipher_suites = mvm->ciphers; | |
381 | ||
2a53d166 AB |
382 | if (iwl_mvm_has_new_rx_api(mvm)) { |
383 | mvm->ciphers[hw->wiphy->n_cipher_suites] = | |
384 | WLAN_CIPHER_SUITE_GCMP; | |
385 | hw->wiphy->n_cipher_suites++; | |
386 | mvm->ciphers[hw->wiphy->n_cipher_suites] = | |
387 | WLAN_CIPHER_SUITE_GCMP_256; | |
388 | hw->wiphy->n_cipher_suites++; | |
389 | } | |
390 | ||
f4bfdc5e EG |
391 | if (iwlwifi_mod_params.swcrypto) |
392 | IWL_ERR(mvm, | |
393 | "iwlmvm doesn't allow to disable HW crypto, check swcrypto module parameter\n"); | |
394 | if (!iwlwifi_mod_params.bt_coex_active) | |
395 | IWL_ERR(mvm, | |
396 | "iwlmvm doesn't allow to disable BT Coex, check bt_coex_active module parameter\n"); | |
397 | ||
398 | ieee80211_hw_set(hw, MFP_CAPABLE); | |
399 | mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_AES_CMAC; | |
400 | hw->wiphy->n_cipher_suites++; | |
401 | if (iwl_mvm_has_new_rx_api(mvm)) { | |
5f4c02e2 | 402 | mvm->ciphers[hw->wiphy->n_cipher_suites] = |
f4bfdc5e EG |
403 | WLAN_CIPHER_SUITE_BIP_GMAC_128; |
404 | hw->wiphy->n_cipher_suites++; | |
405 | mvm->ciphers[hw->wiphy->n_cipher_suites] = | |
406 | WLAN_CIPHER_SUITE_BIP_GMAC_256; | |
5f4c02e2 JB |
407 | hw->wiphy->n_cipher_suites++; |
408 | } | |
409 | ||
ef2e7a51 IP |
410 | wiphy_ext_feature_set(hw->wiphy, |
411 | NL80211_EXT_FEATURE_BEACON_RATE_LEGACY); | |
412 | ||
b73f9a4a | 413 | if (fw_has_capa(&mvm->fw->ucode_capa, |
fc36ffda | 414 | IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) { |
b73f9a4a JB |
415 | wiphy_ext_feature_set(hw->wiphy, |
416 | NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); | |
fc36ffda JB |
417 | hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa; |
418 | } | |
b73f9a4a | 419 | |
a5de7de7 JB |
420 | if (sec_key_ver && |
421 | fw_has_capa(&mvm->fw->ucode_capa, | |
422 | IWL_UCODE_TLV_CAPA_BIGTK_TX_SUPPORT)) | |
423 | wiphy_ext_feature_set(hw->wiphy, | |
424 | NL80211_EXT_FEATURE_BEACON_PROTECTION); | |
425 | else if (fw_has_capa(&mvm->fw->ucode_capa, | |
426 | IWL_UCODE_TLV_CAPA_BIGTK_SUPPORT)) | |
b1fdc250 JB |
427 | wiphy_ext_feature_set(hw->wiphy, |
428 | NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT); | |
429 | ||
cf85123a AS |
430 | if (fw_has_capa(&mvm->fw->ucode_capa, |
431 | IWL_UCODE_TLV_CAPA_TIME_SYNC_BOTH_FTM_TM)) | |
432 | hw->wiphy->hw_timestamp_max_peers = 1; | |
433 | ||
30686bf7 | 434 | ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); |
1f940386 LC |
435 | hw->wiphy->features |= |
436 | NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | | |
3db93420 JB |
437 | NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | |
438 | NL80211_FEATURE_ND_RANDOM_MAC_ADDR; | |
fb98be5e | 439 | |
8ca151b5 JB |
440 | hw->sta_data_size = sizeof(struct iwl_mvm_sta); |
441 | hw->vif_data_size = sizeof(struct iwl_mvm_vif); | |
fe0f2de3 | 442 | hw->chanctx_data_size = sizeof(u16); |
cfbc6c4c | 443 | hw->txq_data_size = sizeof(struct iwl_mvm_txq); |
8ca151b5 JB |
444 | |
445 | hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | | |
3c15a0fb JB |
446 | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
447 | BIT(NL80211_IFTYPE_AP) | | |
448 | BIT(NL80211_IFTYPE_P2P_GO) | | |
c13b1725 EG |
449 | BIT(NL80211_IFTYPE_P2P_DEVICE) | |
450 | BIT(NL80211_IFTYPE_ADHOC); | |
5023d966 | 451 | |
a2f73b6c | 452 | hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; |
e47df5bd | 453 | wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); |
33e3fd99 AW |
454 | |
455 | /* The new Tx API does not allow to pass the key or keyid of a MPDU to | |
456 | * the hw, preventing us to control which key(id) to use per MPDU. | |
457 | * Till that's fixed we can't use Extended Key ID for the newer cards. | |
458 | */ | |
459 | if (!iwl_mvm_has_new_tx_api(mvm)) | |
460 | wiphy_ext_feature_set(hw->wiphy, | |
461 | NL80211_EXT_FEATURE_EXT_KEY_ID); | |
e47df5bd JB |
462 | hw->wiphy->features |= NL80211_FEATURE_HT_IBSS; |
463 | ||
8ba2d7a1 EH |
464 | hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; |
465 | if (iwl_mvm_is_lar_supported(mvm)) | |
466 | hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; | |
467 | else | |
468 | hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | | |
469 | REGULATORY_DISABLE_BEACON_HINTS; | |
8ca151b5 | 470 | |
4b87e5af | 471 | hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; |
94bbed72 | 472 | hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; |
eae94cf8 | 473 | hw->wiphy->flags |= WIPHY_FLAG_SPLIT_SCAN_6GHZ; |
bd3398e2 | 474 | |
8ca151b5 JB |
475 | hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; |
476 | hw->wiphy->n_iface_combinations = | |
477 | ARRAY_SIZE(iwl_mvm_iface_combinations); | |
478 | ||
c451e6d4 | 479 | hw->wiphy->max_remain_on_channel_duration = 10000; |
8ca151b5 JB |
480 | hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; |
481 | ||
482 | /* Extract MAC address */ | |
483 | memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); | |
484 | hw->wiphy->addresses = mvm->addresses; | |
485 | hw->wiphy->n_addresses = 1; | |
831e85f3 IP |
486 | |
487 | /* Extract additional MAC addresses if available */ | |
488 | num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? | |
489 | min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; | |
490 | ||
491 | for (i = 1; i < num_mac; i++) { | |
492 | memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, | |
8ca151b5 | 493 | ETH_ALEN); |
831e85f3 | 494 | mvm->addresses[i].addr[5]++; |
8ca151b5 JB |
495 | hw->wiphy->n_addresses++; |
496 | } | |
497 | ||
fe0f2de3 IP |
498 | iwl_mvm_reset_phy_ctxts(mvm); |
499 | ||
999d2568 | 500 | hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); |
20f1a5de | 501 | |
8ca151b5 JB |
502 | hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; |
503 | ||
c7d42480 | 504 | BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); |
507e4cda LC |
505 | BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || |
506 | IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); | |
507 | ||
859d914c | 508 | if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) |
507e4cda LC |
509 | mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS; |
510 | else | |
511 | mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS; | |
512 | ||
57fbcce3 JB |
513 | if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) |
514 | hw->wiphy->bands[NL80211_BAND_2GHZ] = | |
515 | &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; | |
516 | if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { | |
517 | hw->wiphy->bands[NL80211_BAND_5GHZ] = | |
518 | &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; | |
8ca151b5 | 519 | |
859d914c JB |
520 | if (fw_has_capa(&mvm->fw->ucode_capa, |
521 | IWL_UCODE_TLV_CAPA_BEAMFORMER) && | |
522 | fw_has_api(&mvm->fw->ucode_capa, | |
523 | IWL_UCODE_TLV_API_LQ_SS_PARAMS)) | |
57fbcce3 | 524 | hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= |
3d44eebf ES |
525 | IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; |
526 | } | |
eae94cf8 LC |
527 | if (fw_has_capa(&mvm->fw->ucode_capa, |
528 | IWL_UCODE_TLV_CAPA_PSC_CHAN_SUPPORT) && | |
529 | mvm->nvm_data->bands[NL80211_BAND_6GHZ].n_channels) | |
530 | hw->wiphy->bands[NL80211_BAND_6GHZ] = | |
531 | &mvm->nvm_data->bands[NL80211_BAND_6GHZ]; | |
3d44eebf | 532 | |
8ca151b5 JB |
533 | hw->wiphy->hw_version = mvm->trans->hw_id; |
534 | ||
ade50652 | 535 | if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) |
8ca151b5 JB |
536 | hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; |
537 | else | |
538 | hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; | |
539 | ||
ca986ad9 | 540 | hw->wiphy->max_sched_scan_reqs = 1; |
9954b37c | 541 | hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; |
5d1234ba | 542 | hw->wiphy->max_match_sets = iwl_umac_scan_get_max_profiles(mvm->fw); |
9954b37c EG |
543 | /* we create the 802.11 header and zero length SSID IE. */ |
544 | hw->wiphy->max_sched_scan_ie_len = | |
545 | SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; | |
cd55ccea AS |
546 | hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; |
547 | hw->wiphy->max_sched_scan_plan_interval = U16_MAX; | |
548 | ||
549 | /* | |
550 | * the firmware uses u8 for num of iterations, but 0xff is saved for | |
551 | * infinite loop, so the maximum number of iterations is actually 254. | |
552 | */ | |
553 | hw->wiphy->max_sched_scan_plan_iterations = 254; | |
35a000b7 | 554 | |
8ca151b5 | 555 | hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | |
ab480030 | 556 | NL80211_FEATURE_LOW_PRIORITY_SCAN | |
0d8614b4 | 557 | NL80211_FEATURE_P2P_GO_OPPPS | |
a904a08b | 558 | NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | |
0d8614b4 | 559 | NL80211_FEATURE_DYNAMIC_SMPS | |
9b5452fd EG |
560 | NL80211_FEATURE_STATIC_SMPS | |
561 | NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; | |
8ca151b5 | 562 | |
859d914c JB |
563 | if (fw_has_capa(&mvm->fw->ucode_capa, |
564 | IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) | |
f1daa00e | 565 | hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; |
859d914c JB |
566 | if (fw_has_capa(&mvm->fw->ucode_capa, |
567 | IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) | |
226bcd48 | 568 | hw->wiphy->features |= NL80211_FEATURE_QUIET; |
f1daa00e | 569 | |
859d914c JB |
570 | if (fw_has_capa(&mvm->fw->ucode_capa, |
571 | IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) | |
73897bd1 AO |
572 | hw->wiphy->features |= |
573 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; | |
574 | ||
859d914c JB |
575 | if (fw_has_capa(&mvm->fw->ucode_capa, |
576 | IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) | |
73897bd1 AO |
577 | hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; |
578 | ||
971cbe50 | 579 | if (iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_KEK_KCK_MATERIAL, |
2a42aea7 NE |
580 | IWL_FW_CMD_VER_UNKNOWN) == 3) |
581 | hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK; | |
582 | ||
aacf8f18 AS |
583 | if (fw_has_api(&mvm->fw->ucode_capa, |
584 | IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { | |
585 | wiphy_ext_feature_set(hw->wiphy, | |
586 | NL80211_EXT_FEATURE_SCAN_START_TIME); | |
587 | wiphy_ext_feature_set(hw->wiphy, | |
588 | NL80211_EXT_FEATURE_BSS_PARENT_TSF); | |
aacf8f18 AS |
589 | } |
590 | ||
8f691af9 | 591 | if (iwl_mvm_is_oce_supported(mvm)) { |
971cbe50 | 592 | u8 scan_ver = iwl_fw_lookup_cmd_ver(mvm->fw, SCAN_REQ_UMAC, 0); |
773a042f | 593 | |
8f691af9 ZR |
594 | wiphy_ext_feature_set(hw->wiphy, |
595 | NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP); | |
596 | wiphy_ext_feature_set(hw->wiphy, | |
597 | NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME); | |
8f691af9 ZR |
598 | wiphy_ext_feature_set(hw->wiphy, |
599 | NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE); | |
773a042f AS |
600 | |
601 | /* Old firmware also supports probe deferral and suppression */ | |
602 | if (scan_ver < 15) | |
603 | wiphy_ext_feature_set(hw->wiphy, | |
604 | NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION); | |
8f691af9 ZR |
605 | } |
606 | ||
8e33f046 KP |
607 | hw->wiphy->iftype_ext_capab = NULL; |
608 | hw->wiphy->num_iftype_ext_capab = 0; | |
609 | ||
7360f99e EG |
610 | if (mvm->nvm_data->sku_cap_11ax_enable && |
611 | !iwlwifi_mod_params.disable_11ax) { | |
8e33f046 | 612 | hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa; |
7360f99e | 613 | hw->wiphy->num_iftype_ext_capab = |
8e33f046 | 614 | ARRAY_SIZE(add_iftypes_ext_capa) - 1; |
918cbf39 SS |
615 | |
616 | ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); | |
617 | ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID); | |
7360f99e EG |
618 | } |
619 | ||
8e33f046 KP |
620 | if (iwl_fw_lookup_cmd_ver(mvm->fw, |
621 | WIDE_ID(DATA_PATH_GROUP, | |
622 | WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD), | |
623 | IWL_FW_CMD_VER_UNKNOWN) >= 1) { | |
624 | IWL_DEBUG_INFO(mvm->trans, "Timing measurement supported\n"); | |
625 | ||
626 | if (!hw->wiphy->iftype_ext_capab) { | |
627 | hw->wiphy->num_iftype_ext_capab = 1; | |
628 | hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + | |
629 | ARRAY_SIZE(add_iftypes_ext_capa) - 1; | |
630 | } else { | |
631 | hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 1; | |
632 | } | |
633 | } | |
634 | ||
8ca151b5 JB |
635 | mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; |
636 | ||
637 | #ifdef CONFIG_PM_SLEEP | |
3f37c229 | 638 | if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) && |
8ca151b5 JB |
639 | mvm->trans->ops->d3_suspend && |
640 | mvm->trans->ops->d3_resume && | |
641 | device_can_wakeup(mvm->trans->dev)) { | |
91742449 EP |
642 | mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | |
643 | WIPHY_WOWLAN_DISCONNECT | | |
644 | WIPHY_WOWLAN_EAP_IDENTITY_REQ | | |
645 | WIPHY_WOWLAN_RFKILL_RELEASE | | |
646 | WIPHY_WOWLAN_NET_DETECT; | |
f4bfdc5e EG |
647 | mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | |
648 | WIPHY_WOWLAN_GTK_REKEY_FAILURE | | |
649 | WIPHY_WOWLAN_4WAY_HANDSHAKE; | |
964dc9e2 JB |
650 | |
651 | mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; | |
652 | mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; | |
653 | mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; | |
5d1234ba TM |
654 | mvm->wowlan.max_nd_match_sets = |
655 | iwl_umac_scan_get_max_profiles(mvm->fw); | |
964dc9e2 | 656 | hw->wiphy->wowlan = &mvm->wowlan; |
8ca151b5 JB |
657 | } |
658 | #endif | |
659 | ||
660 | ret = iwl_mvm_leds_init(mvm); | |
661 | if (ret) | |
662 | return ret; | |
663 | ||
859d914c JB |
664 | if (fw_has_capa(&mvm->fw->ucode_capa, |
665 | IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { | |
d8f1c515 AN |
666 | IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); |
667 | hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; | |
7c4f0843 | 668 | ieee80211_hw_set(hw, TDLS_WIDER_BW); |
d8f1c515 AN |
669 | } |
670 | ||
859d914c JB |
671 | if (fw_has_capa(&mvm->fw->ucode_capa, |
672 | IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { | |
1d3c3f63 AN |
673 | IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); |
674 | hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; | |
675 | } | |
676 | ||
93190fb0 | 677 | hw->netdev_features |= mvm->cfg->features; |
59fa61f3 | 678 | if (!iwl_mvm_is_csum_supported(mvm)) |
6772aab7 | 679 | hw->netdev_features &= ~IWL_CSUM_NETIF_FLAGS_MASK; |
41837ca9 | 680 | |
91b08c2d AE |
681 | if (mvm->cfg->vht_mu_mimo_supported) |
682 | wiphy_ext_feature_set(hw->wiphy, | |
683 | NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); | |
684 | ||
9c11d8a9 ST |
685 | if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_PROTECTED_TWT)) |
686 | wiphy_ext_feature_set(hw->wiphy, | |
687 | NL80211_EXT_FEATURE_PROTECTED_TWT); | |
688 | ||
bfcfdb59 EG |
689 | iwl_mvm_vendor_cmds_register(mvm); |
690 | ||
e8503aec BG |
691 | hw->wiphy->available_antennas_tx = iwl_mvm_get_valid_tx_ant(mvm); |
692 | hw->wiphy->available_antennas_rx = iwl_mvm_get_valid_rx_ant(mvm); | |
693 | ||
de645e89 JB |
694 | ret = ieee80211_register_hw(mvm->hw); |
695 | if (ret) { | |
696 | iwl_mvm_leds_exit(mvm); | |
de645e89 JB |
697 | } |
698 | ||
b7327d89 | 699 | return ret; |
8ca151b5 JB |
700 | } |
701 | ||
df2378ab JB |
702 | static void iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, |
703 | struct ieee80211_sta *sta) | |
704 | { | |
705 | if (likely(sta)) { | |
706 | if (likely(iwl_mvm_tx_skb_sta(mvm, skb, sta) == 0)) | |
707 | return; | |
708 | } else { | |
709 | if (likely(iwl_mvm_tx_skb_non_sta(mvm, skb) == 0)) | |
710 | return; | |
711 | } | |
712 | ||
713 | ieee80211_free_txskb(mvm->hw, skb); | |
714 | } | |
715 | ||
cbce62a3 MK |
716 | void iwl_mvm_mac_tx(struct ieee80211_hw *hw, |
717 | struct ieee80211_tx_control *control, struct sk_buff *skb) | |
8ca151b5 JB |
718 | { |
719 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
3e56eadf JB |
720 | struct ieee80211_sta *sta = control->sta; |
721 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); | |
722 | struct ieee80211_hdr *hdr = (void *)skb->data; | |
cfbc6c4c SS |
723 | bool offchannel = IEEE80211_SKB_CB(skb)->flags & |
724 | IEEE80211_TX_CTL_TX_OFFCHAN; | |
90723da6 ST |
725 | u32 link_id = u32_get_bits(info->control.flags, |
726 | IEEE80211_TX_CTRL_MLO_LINK); | |
727 | struct ieee80211_sta *tmp_sta = sta; | |
8ca151b5 | 728 | |
9ee718aa EL |
729 | if (iwl_mvm_is_radio_killed(mvm)) { |
730 | IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); | |
8ca151b5 JB |
731 | goto drop; |
732 | } | |
733 | ||
cfbc6c4c | 734 | if (offchannel && |
a6cc5163 MG |
735 | !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) && |
736 | !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) | |
8ca151b5 JB |
737 | goto drop; |
738 | ||
10516783 JB |
739 | /* |
740 | * bufferable MMPDUs or MMPDUs on STA interfaces come via TXQs | |
741 | * so we treat the others as broadcast | |
742 | */ | |
743 | if (ieee80211_is_mgmt(hdr->frame_control)) | |
3e56eadf JB |
744 | sta = NULL; |
745 | ||
dc1aca22 | 746 | /* If there is no sta, and it's not offchannel - send through AP */ |
cfbc6c4c SS |
747 | if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION && |
748 | !offchannel) { | |
dc1aca22 AO |
749 | struct iwl_mvm_vif *mvmvif = |
750 | iwl_mvm_vif_from_mac80211(info->control.vif); | |
650cadb7 | 751 | u8 ap_sta_id = READ_ONCE(mvmvif->deflink.ap_sta_id); |
dc1aca22 | 752 | |
be9ae34e | 753 | if (ap_sta_id < mvm->fw->ucode_capa.num_stations) { |
dc1aca22 AO |
754 | /* mac80211 holds rcu read lock */ |
755 | sta = rcu_dereference(mvm->fw_id_to_mac_id[ap_sta_id]); | |
756 | if (IS_ERR_OR_NULL(sta)) | |
757 | goto drop; | |
758 | } | |
759 | } | |
760 | ||
90723da6 ST |
761 | if (tmp_sta && !sta && link_id != IEEE80211_LINK_UNSPECIFIED && |
762 | !ieee80211_is_probe_resp(hdr->frame_control)) { | |
763 | /* translate MLD addresses to LINK addresses */ | |
764 | struct ieee80211_link_sta *link_sta = | |
765 | rcu_dereference(tmp_sta->link[link_id]); | |
766 | struct ieee80211_bss_conf *link_conf = | |
767 | rcu_dereference(info->control.vif->link_conf[link_id]); | |
768 | struct ieee80211_mgmt *mgmt; | |
769 | ||
770 | if (WARN_ON(!link_sta || !link_conf)) | |
771 | goto drop; | |
772 | ||
773 | /* if sta is NULL, the frame is a management frame */ | |
774 | mgmt = (void *)hdr; | |
775 | memcpy(mgmt->da, link_sta->addr, ETH_ALEN); | |
776 | memcpy(mgmt->sa, link_conf->addr, ETH_ALEN); | |
777 | memcpy(mgmt->bssid, link_conf->bssid, ETH_ALEN); | |
778 | } | |
779 | ||
df2378ab | 780 | iwl_mvm_tx_skb(mvm, skb, sta); |
8ca151b5 JB |
781 | return; |
782 | drop: | |
783 | ieee80211_free_txskb(hw, skb); | |
784 | } | |
785 | ||
cfbc6c4c | 786 | void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq) |
205e2210 | 787 | { |
cfbc6c4c SS |
788 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
789 | struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); | |
790 | struct sk_buff *skb = NULL; | |
791 | ||
fba8248e SS |
792 | /* |
793 | * No need for threads to be pending here, they can leave the first | |
794 | * taker all the work. | |
795 | * | |
796 | * mvmtxq->tx_request logic: | |
797 | * | |
798 | * If 0, no one is currently TXing, set to 1 to indicate current thread | |
799 | * will now start TX and other threads should quit. | |
800 | * | |
801 | * If 1, another thread is currently TXing, set to 2 to indicate to | |
802 | * that thread that there was another request. Since that request may | |
803 | * have raced with the check whether the queue is empty, the TXing | |
804 | * thread should check the queue's status one more time before leaving. | |
805 | * This check is done in order to not leave any TX hanging in the queue | |
806 | * until the next TX invocation (which may not even happen). | |
807 | * | |
808 | * If 2, another thread is currently TXing, and it will already double | |
809 | * check the queue, so do nothing. | |
810 | */ | |
811 | if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2)) | |
812 | return; | |
cfbc6c4c SS |
813 | |
814 | rcu_read_lock(); | |
fba8248e SS |
815 | do { |
816 | while (likely(!mvmtxq->stopped && | |
00520b7a | 817 | !test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))) { |
fba8248e SS |
818 | skb = ieee80211_tx_dequeue(hw, txq); |
819 | ||
f50d693b SS |
820 | if (!skb) { |
821 | if (txq->sta) | |
822 | IWL_DEBUG_TX(mvm, | |
823 | "TXQ of sta %pM tid %d is now empty\n", | |
824 | txq->sta->addr, | |
825 | txq->tid); | |
fba8248e | 826 | break; |
f50d693b | 827 | } |
fba8248e | 828 | |
df2378ab | 829 | iwl_mvm_tx_skb(mvm, skb, txq->sta); |
fba8248e SS |
830 | } |
831 | } while (atomic_dec_return(&mvmtxq->tx_request)); | |
cfbc6c4c | 832 | rcu_read_unlock(); |
205e2210 EG |
833 | } |
834 | ||
cbce62a3 MK |
835 | void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw, |
836 | struct ieee80211_txq *txq) | |
205e2210 | 837 | { |
cfbc6c4c SS |
838 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
839 | struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); | |
205e2210 | 840 | |
cfbc6c4c SS |
841 | /* |
842 | * Please note that racing is handled very carefully here: | |
843 | * mvmtxq->txq_id is updated during allocation, and mvmtxq->list is | |
844 | * deleted afterwards. | |
845 | * This means that if: | |
846 | * mvmtxq->txq_id != INVALID_QUEUE && list_empty(&mvmtxq->list): | |
847 | * queue is allocated and we can TX. | |
848 | * mvmtxq->txq_id != INVALID_QUEUE && !list_empty(&mvmtxq->list): | |
849 | * a race, should defer the frame. | |
850 | * mvmtxq->txq_id == INVALID_QUEUE && list_empty(&mvmtxq->list): | |
851 | * need to allocate the queue and defer the frame. | |
852 | * mvmtxq->txq_id == INVALID_QUEUE && !list_empty(&mvmtxq->list): | |
853 | * queue is already scheduled for allocation, no need to allocate, | |
854 | * should defer the frame. | |
855 | */ | |
856 | ||
857 | /* If the queue is allocated TX and return. */ | |
858 | if (!txq->sta || mvmtxq->txq_id != IWL_MVM_INVALID_QUEUE) { | |
859 | /* | |
860 | * Check that list is empty to avoid a race where txq_id is | |
861 | * already updated, but the queue allocation work wasn't | |
862 | * finished | |
863 | */ | |
864 | if (unlikely(txq->sta && !list_empty(&mvmtxq->list))) | |
865 | return; | |
866 | ||
867 | iwl_mvm_mac_itxq_xmit(hw, txq); | |
868 | return; | |
869 | } | |
870 | ||
871 | /* The list is being deleted only after the queue is fully allocated. */ | |
872 | if (!list_empty(&mvmtxq->list)) | |
873 | return; | |
874 | ||
875 | list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs); | |
876 | schedule_work(&mvm->add_stream_wk); | |
205e2210 EG |
877 | } |
878 | ||
7174beb6 JB |
879 | #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ |
880 | do { \ | |
881 | if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ | |
882 | break; \ | |
883 | iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ | |
4203263d EG |
884 | } while (0) |
885 | ||
886 | static void | |
887 | iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, | |
888 | struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, | |
889 | enum ieee80211_ampdu_mlme_action action) | |
890 | { | |
891 | struct iwl_fw_dbg_trigger_tlv *trig; | |
892 | struct iwl_fw_dbg_trigger_ba *ba_trig; | |
893 | ||
6c042d75 SS |
894 | trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), |
895 | FW_DBG_TRIGGER_BA); | |
896 | if (!trig) | |
4203263d EG |
897 | return; |
898 | ||
4203263d EG |
899 | ba_trig = (void *)trig->data; |
900 | ||
4203263d EG |
901 | switch (action) { |
902 | case IEEE80211_AMPDU_TX_OPERATIONAL: { | |
903 | struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); | |
904 | struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; | |
905 | ||
906 | CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, | |
907 | "TX AGG START: MAC %pM tid %d ssn %d\n", | |
908 | sta->addr, tid, tid_data->ssn); | |
909 | break; | |
910 | } | |
911 | case IEEE80211_AMPDU_TX_STOP_CONT: | |
912 | CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, | |
913 | "TX AGG STOP: MAC %pM tid %d\n", | |
914 | sta->addr, tid); | |
915 | break; | |
916 | case IEEE80211_AMPDU_RX_START: | |
917 | CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, | |
918 | "RX AGG START: MAC %pM tid %d ssn %d\n", | |
919 | sta->addr, tid, rx_ba_ssn); | |
920 | break; | |
921 | case IEEE80211_AMPDU_RX_STOP: | |
922 | CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, | |
923 | "RX AGG STOP: MAC %pM tid %d\n", | |
924 | sta->addr, tid); | |
925 | break; | |
926 | default: | |
927 | break; | |
928 | } | |
929 | } | |
930 | ||
cbce62a3 MK |
931 | int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, |
932 | struct ieee80211_vif *vif, | |
933 | struct ieee80211_ampdu_params *params) | |
8ca151b5 JB |
934 | { |
935 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
936 | int ret; | |
50ea05ef SS |
937 | struct ieee80211_sta *sta = params->sta; |
938 | enum ieee80211_ampdu_mlme_action action = params->action; | |
939 | u16 tid = params->tid; | |
940 | u16 *ssn = ¶ms->ssn; | |
514c3069 | 941 | u16 buf_size = params->buf_size; |
bb81bb68 | 942 | bool amsdu = params->amsdu; |
10b2b201 | 943 | u16 timeout = params->timeout; |
8ca151b5 JB |
944 | |
945 | IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", | |
946 | sta->addr, tid, action); | |
947 | ||
948 | if (!(mvm->nvm_data->sku_cap_11n_enable)) | |
949 | return -EACCES; | |
950 | ||
951 | mutex_lock(&mvm->mutex); | |
952 | ||
953 | switch (action) { | |
954 | case IEEE80211_AMPDU_RX_START: | |
650cadb7 | 955 | if (iwl_mvm_vif_from_mac80211(vif)->deflink.ap_sta_id == |
c8ee33e1 | 956 | iwl_mvm_sta_from_mac80211(sta)->deflink.sta_id) { |
b0ffe455 JB |
957 | struct iwl_mvm_vif *mvmvif; |
958 | u16 macid = iwl_mvm_vif_from_mac80211(vif)->id; | |
959 | struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid]; | |
960 | ||
961 | mdata->opened_rx_ba_sessions = true; | |
962 | mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
963 | cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk); | |
964 | } | |
e78da25e | 965 | if (!iwl_enable_rx_ampdu()) { |
8ca151b5 JB |
966 | ret = -EINVAL; |
967 | break; | |
968 | } | |
10b2b201 SS |
969 | ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, |
970 | timeout); | |
8ca151b5 JB |
971 | break; |
972 | case IEEE80211_AMPDU_RX_STOP: | |
10b2b201 SS |
973 | ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, |
974 | timeout); | |
8ca151b5 JB |
975 | break; |
976 | case IEEE80211_AMPDU_TX_START: | |
e78da25e | 977 | if (!iwl_enable_tx_ampdu()) { |
5d158efa EG |
978 | ret = -EINVAL; |
979 | break; | |
980 | } | |
8ca151b5 JB |
981 | ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); |
982 | break; | |
983 | case IEEE80211_AMPDU_TX_STOP_CONT: | |
e3d9e7ce EG |
984 | ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); |
985 | break; | |
8ca151b5 JB |
986 | case IEEE80211_AMPDU_TX_STOP_FLUSH: |
987 | case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: | |
e3d9e7ce | 988 | ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); |
8ca151b5 JB |
989 | break; |
990 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
bb81bb68 EG |
991 | ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, |
992 | buf_size, amsdu); | |
8ca151b5 JB |
993 | break; |
994 | default: | |
995 | WARN_ON_ONCE(1); | |
996 | ret = -EINVAL; | |
997 | break; | |
998 | } | |
4203263d EG |
999 | |
1000 | if (!ret) { | |
1001 | u16 rx_ba_ssn = 0; | |
1002 | ||
1003 | if (action == IEEE80211_AMPDU_RX_START) | |
1004 | rx_ba_ssn = *ssn; | |
1005 | ||
1006 | iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, | |
1007 | rx_ba_ssn, action); | |
1008 | } | |
8ca151b5 JB |
1009 | mutex_unlock(&mvm->mutex); |
1010 | ||
1011 | return ret; | |
1012 | } | |
1013 | ||
1014 | static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, | |
1015 | struct ieee80211_vif *vif) | |
1016 | { | |
1017 | struct iwl_mvm *mvm = data; | |
1018 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
bf976c81 | 1019 | struct iwl_probe_resp_data *probe_data; |
79faae3a | 1020 | unsigned int link_id; |
8ca151b5 JB |
1021 | |
1022 | mvmvif->uploaded = false; | |
8ca151b5 | 1023 | |
8ca151b5 JB |
1024 | spin_lock_bh(&mvm->time_event_lock); |
1025 | iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); | |
1026 | spin_unlock_bh(&mvm->time_event_lock); | |
1027 | ||
8a275bad | 1028 | memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data)); |
79faae3a | 1029 | |
bf976c81 | 1030 | mvmvif->fw_active_links_num = 0; |
79faae3a GG |
1031 | for_each_mvm_vif_valid_link(mvmvif, link_id) { |
1032 | mvmvif->link[link_id]->ap_sta_id = IWL_MVM_INVALID_STA; | |
1033 | mvmvif->link[link_id]->fw_link_id = IWL_MVM_FW_LINK_ID_INVALID; | |
1034 | mvmvif->link[link_id]->phy_ctxt = NULL; | |
bf976c81 | 1035 | mvmvif->link[link_id]->active = 0; |
79faae3a | 1036 | } |
bf976c81 JB |
1037 | |
1038 | probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, | |
1039 | lockdep_is_held(&mvm->mutex)); | |
1040 | if (probe_data) | |
1041 | kfree_rcu(probe_data, rcu_head); | |
1042 | RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); | |
8ca151b5 JB |
1043 | } |
1044 | ||
1045 | static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) | |
1046 | { | |
fcb6b92a | 1047 | iwl_mvm_stop_device(mvm); |
8ca151b5 | 1048 | |
9bf13bee JB |
1049 | mvm->cur_aid = 0; |
1050 | ||
9af91f46 | 1051 | mvm->scan_status = 0; |
b1873300 | 1052 | mvm->ps_disabled = false; |
b3500b47 | 1053 | mvm->rfkill_safe_init_done = false; |
8ca151b5 JB |
1054 | |
1055 | /* just in case one was running */ | |
305d236e | 1056 | iwl_mvm_cleanup_roc_te(mvm); |
8ca151b5 JB |
1057 | ieee80211_remain_on_channel_expired(mvm->hw); |
1058 | ||
fc36ffda JB |
1059 | iwl_mvm_ftm_restart(mvm); |
1060 | ||
737719fe AN |
1061 | /* |
1062 | * cleanup all interfaces, even inactive ones, as some might have | |
1063 | * gone down during the HW restart | |
1064 | */ | |
1065 | ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); | |
8ca151b5 | 1066 | |
fe0f2de3 IP |
1067 | mvm->p2p_device_vif = NULL; |
1068 | ||
1069 | iwl_mvm_reset_phy_ctxts(mvm); | |
9c3deeb5 | 1070 | memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); |
8a275bad | 1071 | memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); |
8a275bad | 1072 | memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); |
8ca151b5 JB |
1073 | |
1074 | ieee80211_wake_queues(mvm->hw); | |
1075 | ||
113a0447 | 1076 | mvm->rx_ba_sessions = 0; |
7174beb6 | 1077 | mvm->fwrt.dump.conf = FW_DBG_INVALID; |
baf41bc3 | 1078 | mvm->monitor_on = false; |
91a8bcde JB |
1079 | |
1080 | /* keep statistics ticking */ | |
1081 | iwl_mvm_accu_radio_stats(mvm); | |
8ca151b5 JB |
1082 | } |
1083 | ||
a0a09243 | 1084 | int __iwl_mvm_mac_start(struct iwl_mvm *mvm) |
8ca151b5 | 1085 | { |
8ca151b5 JB |
1086 | int ret; |
1087 | ||
a0a09243 | 1088 | lockdep_assert_held(&mvm->mutex); |
8ca151b5 | 1089 | |
6d19a5eb EG |
1090 | ret = iwl_mvm_mei_get_ownership(mvm); |
1091 | if (ret) | |
1092 | return ret; | |
1093 | ||
1094 | if (mvm->mei_nvm_data) { | |
1095 | /* We got the NIC, we can now free the MEI NVM data */ | |
1096 | kfree(mvm->mei_nvm_data); | |
1097 | mvm->mei_nvm_data = NULL; | |
1098 | ||
1099 | /* | |
1100 | * We can't free the nvm_data we allocated based on the SAP | |
1101 | * data because we registered to cfg80211 with the channels | |
1102 | * allocated on mvm->nvm_data. Keep a pointer in temp_nvm_data | |
1103 | * just in order to be able free it later. | |
1104 | * NULLify nvm_data so that we will read the NVM from the | |
1105 | * firmware this time. | |
1106 | */ | |
1107 | mvm->temp_nvm_data = mvm->nvm_data; | |
1108 | mvm->nvm_data = NULL; | |
1109 | } | |
1110 | ||
bf8b286f JB |
1111 | if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { |
1112 | /* | |
1113 | * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART | |
1114 | * so later code will - from now on - see that we're doing it. | |
1115 | */ | |
1116 | set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); | |
1117 | clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); | |
a42b2af3 | 1118 | /* Clean up some internal and mac80211 state on restart */ |
8ca151b5 | 1119 | iwl_mvm_restart_cleanup(mvm); |
a42b2af3 | 1120 | } |
8ca151b5 | 1121 | ret = iwl_mvm_up(mvm); |
c47af22a | 1122 | |
b108d8c7 SM |
1123 | iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_POST_INIT, |
1124 | NULL); | |
1125 | iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_PERIODIC, | |
1126 | NULL); | |
da2eb669 | 1127 | |
e8fe3b41 IP |
1128 | mvm->last_reset_or_resume_time_jiffies = jiffies; |
1129 | ||
c47af22a JB |
1130 | if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { |
1131 | /* Something went wrong - we need to finish some cleanup | |
1132 | * that normally iwl_mvm_mac_restart_complete() below | |
1133 | * would do. | |
1134 | */ | |
1135 | clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); | |
c47af22a JB |
1136 | } |
1137 | ||
a0a09243 LC |
1138 | return ret; |
1139 | } | |
1140 | ||
cbce62a3 | 1141 | int iwl_mvm_mac_start(struct ieee80211_hw *hw) |
a0a09243 LC |
1142 | { |
1143 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
1144 | int ret; | |
5283dd67 | 1145 | int retry, max_retry = 0; |
a0a09243 LC |
1146 | |
1147 | mutex_lock(&mvm->mutex); | |
5283dd67 MG |
1148 | |
1149 | /* we are starting the mac not in error flow, and restart is enabled */ | |
1150 | if (!test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) && | |
1151 | iwlwifi_mod_params.fw_restart) { | |
1152 | max_retry = IWL_MAX_INIT_RETRY; | |
1153 | /* | |
1154 | * This will prevent mac80211 recovery flows to trigger during | |
1155 | * init failures | |
1156 | */ | |
1157 | set_bit(IWL_MVM_STATUS_STARTING, &mvm->status); | |
1158 | } | |
1159 | ||
1160 | for (retry = 0; retry <= max_retry; retry++) { | |
1161 | ret = __iwl_mvm_mac_start(mvm); | |
1162 | if (!ret) | |
1163 | break; | |
1164 | ||
b8133439 AS |
1165 | /* |
1166 | * In PLDR sync PCI re-enumeration is needed. no point to retry | |
1167 | * mac start before that. | |
1168 | */ | |
1169 | if (mvm->pldr_sync) { | |
1170 | iwl_mei_alive_notif(false); | |
1171 | iwl_trans_pcie_remove(mvm->trans, true); | |
1172 | break; | |
1173 | } | |
1174 | ||
5283dd67 MG |
1175 | IWL_ERR(mvm, "mac start retry %d\n", retry); |
1176 | } | |
1177 | clear_bit(IWL_MVM_STATUS_STARTING, &mvm->status); | |
1178 | ||
8ca151b5 JB |
1179 | mutex_unlock(&mvm->mutex); |
1180 | ||
7ce1f215 EG |
1181 | iwl_mvm_mei_set_sw_rfkill_state(mvm); |
1182 | ||
8ca151b5 JB |
1183 | return ret; |
1184 | } | |
1185 | ||
cf2c92d8 | 1186 | static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) |
8ca151b5 | 1187 | { |
8ca151b5 JB |
1188 | int ret; |
1189 | ||
1190 | mutex_lock(&mvm->mutex); | |
1191 | ||
1192 | clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); | |
4d4183c4 | 1193 | |
e7afe89f | 1194 | ret = iwl_mvm_update_quotas(mvm, true, NULL); |
8ca151b5 JB |
1195 | if (ret) |
1196 | IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", | |
1197 | ret); | |
1198 | ||
f130bb75 MG |
1199 | iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY); |
1200 | ||
cbd2ae2d AN |
1201 | /* |
1202 | * If we have TDLS peers, remove them. We don't know the last seqno/PN | |
1203 | * of packets the FW sent out, so we must reconnect. | |
1204 | */ | |
1205 | iwl_mvm_teardown_tdls_peers(mvm); | |
1206 | ||
8ca151b5 JB |
1207 | mutex_unlock(&mvm->mutex); |
1208 | } | |
1209 | ||
cbce62a3 MK |
1210 | void iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, |
1211 | enum ieee80211_reconfig_type reconfig_type) | |
cf2c92d8 EP |
1212 | { |
1213 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
1214 | ||
1215 | switch (reconfig_type) { | |
1216 | case IEEE80211_RECONFIG_TYPE_RESTART: | |
1217 | iwl_mvm_restart_complete(mvm); | |
1218 | break; | |
1219 | case IEEE80211_RECONFIG_TYPE_SUSPEND: | |
1220 | break; | |
1221 | } | |
1222 | } | |
1223 | ||
a0a09243 | 1224 | void __iwl_mvm_mac_stop(struct iwl_mvm *mvm) |
8ca151b5 | 1225 | { |
a0a09243 | 1226 | lockdep_assert_held(&mvm->mutex); |
7498cf4c | 1227 | |
b68bd2e3 IP |
1228 | iwl_mvm_ftm_initiator_smooth_stop(mvm); |
1229 | ||
91a8bcde JB |
1230 | /* firmware counters are obviously reset now, but we shouldn't |
1231 | * partially track so also clear the fw_reset_accu counters. | |
1232 | */ | |
1233 | memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); | |
1234 | ||
8ca151b5 JB |
1235 | /* async_handlers_wk is now blocked */ |
1236 | ||
971cbe50 | 1237 | if (iwl_fw_lookup_cmd_ver(mvm->fw, ADD_STA, 0) < 12) |
2c2c3647 | 1238 | iwl_mvm_rm_aux_sta(mvm); |
f327236d | 1239 | |
fcb6b92a | 1240 | iwl_mvm_stop_device(mvm); |
8ca151b5 JB |
1241 | |
1242 | iwl_mvm_async_handlers_purge(mvm); | |
1243 | /* async_handlers_list is empty and will stay empty: HW is stopped */ | |
1244 | ||
0a79a0c0 | 1245 | /* |
155f7e04 EG |
1246 | * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the |
1247 | * hw (as restart_complete() won't be called in this case) and mac80211 | |
1248 | * won't execute the restart. | |
8b2b9fbf AN |
1249 | * But make sure to cleanup interfaces that have gone down before/during |
1250 | * HW restart was requested. | |
0a79a0c0 | 1251 | */ |
155f7e04 EG |
1252 | if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || |
1253 | test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, | |
1254 | &mvm->status)) | |
8b2b9fbf AN |
1255 | ieee80211_iterate_interfaces(mvm->hw, 0, |
1256 | iwl_mvm_cleanup_iterator, mvm); | |
0a79a0c0 | 1257 | |
963221be AB |
1258 | /* We shouldn't have any UIDs still set. Loop over all the UIDs to |
1259 | * make sure there's nothing left there and warn if any is found. | |
1260 | */ | |
859d914c | 1261 | if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { |
963221be AB |
1262 | int i; |
1263 | ||
507e4cda | 1264 | for (i = 0; i < mvm->max_scans; i++) { |
6185af2a LC |
1265 | if (WARN_ONCE(mvm->scan_uid_status[i], |
1266 | "UMAC scan UID %d status was not cleaned\n", | |
1267 | i)) | |
1268 | mvm->scan_uid_status[i] = 0; | |
963221be AB |
1269 | } |
1270 | } | |
a0a09243 | 1271 | } |
bc44886d | 1272 | |
cbce62a3 | 1273 | void iwl_mvm_mac_stop(struct ieee80211_hw *hw) |
a0a09243 LC |
1274 | { |
1275 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
1276 | ||
a0a09243 | 1277 | flush_work(&mvm->async_handlers_wk); |
24afba76 | 1278 | flush_work(&mvm->add_stream_wk); |
771147b0 JB |
1279 | |
1280 | /* | |
1281 | * Lock and clear the firmware running bit here already, so that | |
1282 | * new commands coming in elsewhere, e.g. from debugfs, will not | |
1283 | * be able to proceed. This is important here because one of those | |
7174beb6 | 1284 | * debugfs files causes the firmware dump to be triggered, and if we |
771147b0 JB |
1285 | * don't stop debugfs accesses before canceling that it could be |
1286 | * retriggered after we flush it but before we've cleared the bit. | |
1287 | */ | |
1288 | clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); | |
1289 | ||
d3a108a4 | 1290 | cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); |
69e04642 | 1291 | cancel_delayed_work_sync(&mvm->scan_timeout_dwork); |
a0a09243 | 1292 | |
f9084775 NE |
1293 | /* |
1294 | * The work item could be running or queued if the | |
1295 | * ROC time event stops just as we get here. | |
1296 | */ | |
1297 | flush_work(&mvm->roc_done_wk); | |
1298 | ||
7ce1f215 EG |
1299 | iwl_mvm_mei_set_sw_rfkill_state(mvm); |
1300 | ||
a0a09243 LC |
1301 | mutex_lock(&mvm->mutex); |
1302 | __iwl_mvm_mac_stop(mvm); | |
8ca151b5 JB |
1303 | mutex_unlock(&mvm->mutex); |
1304 | ||
1305 | /* | |
1306 | * The worker might have been waiting for the mutex, let it run and | |
1307 | * discover that its list is now empty. | |
1308 | */ | |
1309 | cancel_work_sync(&mvm->async_handlers_wk); | |
1310 | } | |
1311 | ||
1ab26632 | 1312 | struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) |
fe0f2de3 IP |
1313 | { |
1314 | u16 i; | |
1315 | ||
1316 | lockdep_assert_held(&mvm->mutex); | |
1317 | ||
1318 | for (i = 0; i < NUM_PHY_CTX; i++) | |
1319 | if (!mvm->phy_ctxts[i].ref) | |
1320 | return &mvm->phy_ctxts[i]; | |
1321 | ||
1322 | IWL_ERR(mvm, "No available PHY context\n"); | |
1323 | return NULL; | |
1324 | } | |
1325 | ||
f551d013 GG |
1326 | int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, |
1327 | s16 tx_power) | |
d44c3fe6 | 1328 | { |
971cbe50 | 1329 | u32 cmd_id = REDUCE_TX_POWER_CMD; |
0791c2fc | 1330 | int len; |
216cdfb5 LC |
1331 | struct iwl_dev_tx_power_cmd cmd = { |
1332 | .common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), | |
1333 | .common.mac_context_id = | |
d44c3fe6 | 1334 | cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), |
216cdfb5 | 1335 | .common.pwr_restriction = cpu_to_le16(8 * tx_power), |
d44c3fe6 | 1336 | }; |
971cbe50 | 1337 | u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, |
e80bfd11 | 1338 | IWL_FW_CMD_VER_UNKNOWN); |
d44c3fe6 | 1339 | |
d44c3fe6 | 1340 | if (tx_power == IWL_DEFAULT_MAX_TX_POWER) |
216cdfb5 | 1341 | cmd.common.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); |
d44c3fe6 | 1342 | |
b0aa02b3 AB |
1343 | if (cmd_ver == 7) |
1344 | len = sizeof(cmd.v7); | |
1345 | else if (cmd_ver == 6) | |
fbb7957d LC |
1346 | len = sizeof(cmd.v6); |
1347 | else if (fw_has_api(&mvm->fw->ucode_capa, | |
1348 | IWL_UCODE_TLV_API_REDUCE_TX_POWER)) | |
0791c2fc HD |
1349 | len = sizeof(cmd.v5); |
1350 | else if (fw_has_capa(&mvm->fw->ucode_capa, | |
1351 | IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) | |
1352 | len = sizeof(cmd.v4); | |
1353 | else | |
216cdfb5 LC |
1354 | len = sizeof(cmd.v3); |
1355 | ||
1356 | /* all structs have the same common part, add it */ | |
1357 | len += sizeof(cmd.common); | |
da03f029 | 1358 | |
971cbe50 | 1359 | return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, len, &cmd); |
d44c3fe6 AA |
1360 | } |
1361 | ||
03117f30 MK |
1362 | int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, |
1363 | struct ieee80211_vif *vif) | |
f6780614 SS |
1364 | { |
1365 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1366 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
1367 | int ret; | |
1368 | ||
1369 | mutex_lock(&mvm->mutex); | |
1370 | ||
f6780614 SS |
1371 | if (vif->type == NL80211_IFTYPE_STATION) { |
1372 | struct iwl_mvm_sta *mvmsta; | |
1373 | ||
1374 | mvmvif->csa_bcn_pending = false; | |
1375 | mvmsta = iwl_mvm_sta_from_staid_protected(mvm, | |
650cadb7 | 1376 | mvmvif->deflink.ap_sta_id); |
f6780614 SS |
1377 | |
1378 | if (WARN_ON(!mvmsta)) { | |
1379 | ret = -EIO; | |
1380 | goto out_unlock; | |
1381 | } | |
1382 | ||
df720373 | 1383 | iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); |
03117f30 MK |
1384 | if (mvm->mld_api_is_used) |
1385 | iwl_mvm_mld_mac_ctxt_changed(mvm, vif, false); | |
1386 | else | |
1387 | iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); | |
f6780614 | 1388 | |
0202bcf0 EG |
1389 | if (!fw_has_capa(&mvm->fw->ucode_capa, |
1390 | IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { | |
1391 | ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); | |
1392 | if (ret) | |
1393 | goto out_unlock; | |
f6780614 | 1394 | |
0202bcf0 EG |
1395 | iwl_mvm_stop_session_protection(mvm, vif); |
1396 | } | |
f6780614 SS |
1397 | } |
1398 | ||
1399 | mvmvif->ps_disabled = false; | |
1400 | ||
1401 | ret = iwl_mvm_power_update_ps(mvm); | |
1402 | ||
1403 | out_unlock: | |
caf46377 SS |
1404 | if (mvmvif->csa_failed) |
1405 | ret = -EIO; | |
f6780614 SS |
1406 | mutex_unlock(&mvm->mutex); |
1407 | ||
1408 | return ret; | |
1409 | } | |
1410 | ||
cbce62a3 MK |
1411 | void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw, |
1412 | struct ieee80211_vif *vif) | |
f6780614 SS |
1413 | { |
1414 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
1415 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1416 | struct iwl_chan_switch_te_cmd cmd = { | |
1417 | .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, | |
1418 | mvmvif->color)), | |
1419 | .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE), | |
1420 | }; | |
1421 | ||
ad12b231 NE |
1422 | /* |
1423 | * In the new flow since FW is in charge of the timing, | |
1424 | * if driver has canceled the channel switch he will receive the | |
1425 | * CHANNEL_SWITCH_START_NOTIF notification from FW and then cancel it | |
1426 | */ | |
1427 | if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, | |
1428 | CHANNEL_SWITCH_ERROR_NOTIF, 0)) | |
1429 | return; | |
1430 | ||
f6780614 SS |
1431 | IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id); |
1432 | ||
1433 | mutex_lock(&mvm->mutex); | |
58ddd9b6 EG |
1434 | if (!fw_has_capa(&mvm->fw->ucode_capa, |
1435 | IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) | |
1436 | iwl_mvm_remove_csa_period(mvm, vif); | |
1437 | else | |
1438 | WARN_ON(iwl_mvm_send_cmd_pdu(mvm, | |
1439 | WIDE_ID(MAC_CONF_GROUP, | |
1440 | CHANNEL_SWITCH_TIME_EVENT_CMD), | |
1441 | 0, sizeof(cmd), &cmd)); | |
caf46377 | 1442 | mvmvif->csa_failed = true; |
f6780614 SS |
1443 | mutex_unlock(&mvm->mutex); |
1444 | ||
caf46377 | 1445 | iwl_mvm_post_channel_switch(hw, vif); |
f6780614 SS |
1446 | } |
1447 | ||
1ab26632 | 1448 | void iwl_mvm_channel_switch_disconnect_wk(struct work_struct *wk) |
f6780614 | 1449 | { |
f6780614 SS |
1450 | struct iwl_mvm_vif *mvmvif; |
1451 | struct ieee80211_vif *vif; | |
1452 | ||
1453 | mvmvif = container_of(wk, struct iwl_mvm_vif, csa_work.work); | |
1454 | vif = container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); | |
f6780614 | 1455 | |
70162580 | 1456 | /* Trigger disconnect (should clear the CSA state) */ |
f6780614 SS |
1457 | ieee80211_chswitch_done(vif, false); |
1458 | } | |
1459 | ||
5abf3154 MG |
1460 | static u8 |
1461 | iwl_mvm_chandef_get_primary_80(struct cfg80211_chan_def *chandef) | |
1462 | { | |
1463 | int data_start; | |
1464 | int control_start; | |
1465 | int bw; | |
1466 | ||
1467 | if (chandef->width == NL80211_CHAN_WIDTH_320) | |
1468 | bw = 320; | |
1469 | else if (chandef->width == NL80211_CHAN_WIDTH_160) | |
1470 | bw = 160; | |
1471 | else | |
1472 | return 0; | |
1473 | ||
1474 | /* data is bw wide so the start is half the width */ | |
1475 | data_start = chandef->center_freq1 - bw / 2; | |
1476 | /* control is 20Mhz width */ | |
1477 | control_start = chandef->chan->center_freq - 10; | |
1478 | ||
1479 | return (control_start - data_start) / 80; | |
1480 | } | |
1481 | ||
1ab26632 MK |
1482 | /* |
1483 | * Returns true if addding the interface is done | |
1484 | * (either with success or failure) | |
cb145863 JB |
1485 | * |
1486 | * FIXME: remove this again and merge it in | |
1ab26632 | 1487 | */ |
cb145863 JB |
1488 | static bool iwl_mvm_mac_add_interface_common(struct iwl_mvm *mvm, |
1489 | struct ieee80211_hw *hw, | |
1490 | struct ieee80211_vif *vif, | |
1491 | int *ret) | |
8ca151b5 | 1492 | { |
8ca151b5 | 1493 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
1ab26632 MK |
1494 | |
1495 | lockdep_assert_held(&mvm->mutex); | |
8ca151b5 | 1496 | |
aa5e1832 | 1497 | mvmvif->mvm = mvm; |
650cadb7 GG |
1498 | |
1499 | /* the first link always points to the default one */ | |
1500 | mvmvif->link[0] = &mvmvif->deflink; | |
aa5e1832 | 1501 | |
8ca151b5 JB |
1502 | /* |
1503 | * Not much to do here. The stack will not allow interface | |
1504 | * types or combinations that we didn't advertise, so we | |
1505 | * don't really have to check the types. | |
1506 | */ | |
1507 | ||
33cef925 JB |
1508 | /* make sure that beacon statistics don't go backwards with FW reset */ |
1509 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) | |
650cadb7 GG |
1510 | mvmvif->deflink.beacon_stats.accu_num_beacons += |
1511 | mvmvif->deflink.beacon_stats.num_beacons; | |
33cef925 | 1512 | |
e89044d7 | 1513 | /* Allocate resources for the MAC context, and add it to the fw */ |
1ab26632 MK |
1514 | *ret = iwl_mvm_mac_ctxt_init(mvm, vif); |
1515 | if (*ret) | |
1516 | return true; | |
8ca151b5 | 1517 | |
698478c4 SS |
1518 | rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); |
1519 | ||
8ca151b5 JB |
1520 | /* |
1521 | * The AP binding flow can be done only after the beacon | |
1522 | * template is configured (which happens only in the mac80211 | |
1523 | * start_ap() flow), and adding the broadcast station can happen | |
1524 | * only after the binding. | |
1525 | * In addition, since modifying the MAC before adding a bcast | |
1526 | * station is not allowed by the FW, delay the adding of MAC context to | |
1527 | * the point where we can also add the bcast station. | |
1528 | * In short: there's not much we can do at this point, other than | |
1529 | * allocating resources :) | |
1530 | */ | |
5023d966 JB |
1531 | if (vif->type == NL80211_IFTYPE_AP || |
1532 | vif->type == NL80211_IFTYPE_ADHOC) { | |
77740cb4 | 1533 | iwl_mvm_vif_dbgfs_register(mvm, vif); |
1ab26632 | 1534 | return true; |
8ca151b5 JB |
1535 | } |
1536 | ||
93190fb0 | 1537 | mvmvif->features |= hw->netdev_features; |
650cadb7 | 1538 | |
1ab26632 MK |
1539 | return false; |
1540 | } | |
1541 | ||
1542 | static int iwl_mvm_alloc_bcast_mcast_sta(struct iwl_mvm *mvm, | |
1543 | struct ieee80211_vif *vif) | |
1544 | { | |
1545 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1546 | int ret; | |
1547 | ||
1548 | lockdep_assert_held(&mvm->mutex); | |
1549 | ||
1550 | ret = iwl_mvm_alloc_bcast_sta(mvm, vif); | |
1551 | if (ret) { | |
1552 | IWL_ERR(mvm, "Failed to allocate bcast sta\n"); | |
1553 | return ret; | |
1554 | } | |
1555 | ||
1556 | /* | |
1557 | * Only queue for this station is the mcast queue, | |
1558 | * which shouldn't be in TFD mask anyway | |
1559 | */ | |
650cadb7 GG |
1560 | return iwl_mvm_allocate_int_sta(mvm, &mvmvif->deflink.mcast_sta, 0, |
1561 | vif->type, | |
1ab26632 MK |
1562 | IWL_STA_MULTICAST); |
1563 | } | |
1564 | ||
1565 | static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, | |
1566 | struct ieee80211_vif *vif) | |
1567 | { | |
1568 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
1569 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1570 | int ret; | |
1571 | ||
1572 | mutex_lock(&mvm->mutex); | |
1573 | ||
1574 | /* Common for MLD and non-MLD API */ | |
1575 | if (iwl_mvm_mac_add_interface_common(mvm, hw, vif, &ret)) | |
1576 | goto out; | |
93190fb0 | 1577 | |
8ca151b5 JB |
1578 | ret = iwl_mvm_mac_ctxt_add(mvm, vif); |
1579 | if (ret) | |
98c0de7b | 1580 | goto out_unlock; |
8ca151b5 | 1581 | |
999609f1 | 1582 | ret = iwl_mvm_power_update_mac(mvm); |
e5e7aa8e | 1583 | if (ret) |
fd66fc1c | 1584 | goto out_remove_mac; |
8ca151b5 | 1585 | |
7df15b1e | 1586 | /* beacon filtering */ |
a1022927 | 1587 | ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); |
bd3351ba EP |
1588 | if (ret) |
1589 | goto out_remove_mac; | |
1590 | ||
7df15b1e | 1591 | if (!mvm->bf_allowed_vif && |
73e5f2c5 | 1592 | vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { |
7df15b1e | 1593 | mvm->bf_allowed_vif = mvmvif; |
a20fd398 AO |
1594 | vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | |
1595 | IEEE80211_VIF_SUPPORTS_CQM_RSSI; | |
7df15b1e HG |
1596 | } |
1597 | ||
8ca151b5 JB |
1598 | /* |
1599 | * P2P_DEVICE interface does not have a channel context assigned to it, | |
1600 | * so a dedicated PHY context is allocated to it and the corresponding | |
1601 | * MAC context is bound to it at this stage. | |
1602 | */ | |
1603 | if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { | |
8ca151b5 | 1604 | |
650cadb7 GG |
1605 | mvmvif->deflink.phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); |
1606 | if (!mvmvif->deflink.phy_ctxt) { | |
fe0f2de3 | 1607 | ret = -ENOSPC; |
bd3351ba | 1608 | goto out_free_bf; |
fe0f2de3 | 1609 | } |
8ca151b5 | 1610 | |
650cadb7 | 1611 | iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt); |
8ca151b5 JB |
1612 | ret = iwl_mvm_binding_add_vif(mvm, vif); |
1613 | if (ret) | |
53a9d61e | 1614 | goto out_unref_phy; |
8ca151b5 | 1615 | |
d197358b | 1616 | ret = iwl_mvm_add_p2p_bcast_sta(mvm, vif); |
8ca151b5 JB |
1617 | if (ret) |
1618 | goto out_unbind; | |
1619 | ||
1620 | /* Save a pointer to p2p device vif, so it can later be used to | |
1621 | * update the p2p device MAC when a GO is started/stopped */ | |
1622 | mvm->p2p_device_vif = vif; | |
1623 | } | |
1624 | ||
b0ffe455 | 1625 | iwl_mvm_tcm_add_vif(mvm, vif); |
f6780614 SS |
1626 | INIT_DELAYED_WORK(&mvmvif->csa_work, |
1627 | iwl_mvm_channel_switch_disconnect_wk); | |
b0ffe455 | 1628 | |
5abf3154 | 1629 | if (vif->type == NL80211_IFTYPE_MONITOR) { |
baf41bc3 | 1630 | mvm->monitor_on = true; |
5abf3154 MG |
1631 | mvm->monitor_p80 = |
1632 | iwl_mvm_chandef_get_primary_80(&vif->bss_conf.chandef); | |
1633 | } | |
baf41bc3 | 1634 | |
63494374 | 1635 | iwl_mvm_vif_dbgfs_register(mvm, vif); |
6d19a5eb EG |
1636 | |
1637 | if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && | |
1638 | vif->type == NL80211_IFTYPE_STATION && !vif->p2p && | |
1639 | !mvm->csme_vif && mvm->mei_registered) { | |
1640 | iwl_mei_set_nic_info(vif->addr, mvm->nvm_data->hw_addr); | |
1641 | iwl_mei_set_netdev(ieee80211_vif_to_wdev(vif)->netdev); | |
1642 | mvm->csme_vif = vif; | |
1643 | } | |
1644 | ||
1ab26632 MK |
1645 | out: |
1646 | if (!ret && (vif->type == NL80211_IFTYPE_AP || | |
1647 | vif->type == NL80211_IFTYPE_ADHOC)) | |
1648 | ret = iwl_mvm_alloc_bcast_mcast_sta(mvm, vif); | |
1649 | ||
8ca151b5 JB |
1650 | goto out_unlock; |
1651 | ||
1652 | out_unbind: | |
1653 | iwl_mvm_binding_remove_vif(mvm, vif); | |
53a9d61e | 1654 | out_unref_phy: |
650cadb7 | 1655 | iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); |
bd3351ba EP |
1656 | out_free_bf: |
1657 | if (mvm->bf_allowed_vif == mvmvif) { | |
1658 | mvm->bf_allowed_vif = NULL; | |
a20fd398 AO |
1659 | vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | |
1660 | IEEE80211_VIF_SUPPORTS_CQM_RSSI); | |
bd3351ba | 1661 | } |
8ca151b5 | 1662 | out_remove_mac: |
650cadb7 | 1663 | mvmvif->deflink.phy_ctxt = NULL; |
8ca151b5 | 1664 | iwl_mvm_mac_ctxt_remove(mvm, vif); |
8ca151b5 JB |
1665 | out_unlock: |
1666 | mutex_unlock(&mvm->mutex); | |
1667 | ||
1668 | return ret; | |
1669 | } | |
1670 | ||
cb145863 JB |
1671 | void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, |
1672 | struct ieee80211_vif *vif) | |
8ca151b5 | 1673 | { |
8ca151b5 JB |
1674 | if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { |
1675 | /* | |
1676 | * Flush the ROC worker which will flush the OFFCHANNEL queue. | |
1677 | * We assume here that all the packets sent to the OFFCHANNEL | |
1678 | * queue are sent in ROC session. | |
1679 | */ | |
1680 | flush_work(&mvm->roc_done_wk); | |
8ca151b5 | 1681 | } |
38a12b5b JB |
1682 | } |
1683 | ||
60efeca1 MK |
1684 | /* This function is doing the common part of removing the interface for |
1685 | * both - MLD and non-MLD modes. Returns true if removing the interface | |
1686 | * is done | |
1687 | */ | |
cb145863 JB |
1688 | static bool iwl_mvm_mac_remove_interface_common(struct ieee80211_hw *hw, |
1689 | struct ieee80211_vif *vif) | |
38a12b5b JB |
1690 | { |
1691 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
1692 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
86e177d8 | 1693 | struct iwl_probe_resp_data *probe_data; |
38a12b5b JB |
1694 | |
1695 | iwl_mvm_prepare_mac_removal(mvm, vif); | |
8ca151b5 | 1696 | |
b0ffe455 JB |
1697 | if (!(vif->type == NL80211_IFTYPE_AP || |
1698 | vif->type == NL80211_IFTYPE_ADHOC)) | |
1699 | iwl_mvm_tcm_rm_vif(mvm, vif); | |
1700 | ||
8ca151b5 JB |
1701 | mutex_lock(&mvm->mutex); |
1702 | ||
6d19a5eb EG |
1703 | if (vif == mvm->csme_vif) { |
1704 | iwl_mei_set_netdev(NULL); | |
1705 | mvm->csme_vif = NULL; | |
1706 | } | |
1707 | ||
650cadb7 | 1708 | probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, |
86e177d8 | 1709 | lockdep_is_held(&mvm->mutex)); |
650cadb7 | 1710 | RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); |
86e177d8 GG |
1711 | if (probe_data) |
1712 | kfree_rcu(probe_data, rcu_head); | |
1713 | ||
7df15b1e HG |
1714 | if (mvm->bf_allowed_vif == mvmvif) { |
1715 | mvm->bf_allowed_vif = NULL; | |
a20fd398 AO |
1716 | vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | |
1717 | IEEE80211_VIF_SUPPORTS_CQM_RSSI); | |
7df15b1e HG |
1718 | } |
1719 | ||
b73f9a4a JB |
1720 | if (vif->bss_conf.ftm_responder) |
1721 | memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats)); | |
1722 | ||
63494374 JB |
1723 | iwl_mvm_vif_dbgfs_clean(mvm, vif); |
1724 | ||
8ca151b5 JB |
1725 | /* |
1726 | * For AP/GO interface, the tear down of the resources allocated to the | |
38a12b5b | 1727 | * interface is be handled as part of the stop_ap flow. |
8ca151b5 | 1728 | */ |
5023d966 JB |
1729 | if (vif->type == NL80211_IFTYPE_AP || |
1730 | vif->type == NL80211_IFTYPE_ADHOC) { | |
507cadf2 DS |
1731 | #ifdef CONFIG_NL80211_TESTMODE |
1732 | if (vif == mvm->noa_vif) { | |
1733 | mvm->noa_vif = NULL; | |
1734 | mvm->noa_duration = 0; | |
1735 | } | |
1736 | #endif | |
60efeca1 | 1737 | return true; |
8ca151b5 JB |
1738 | } |
1739 | ||
60efeca1 MK |
1740 | iwl_mvm_power_update_mac(mvm); |
1741 | return false; | |
1742 | } | |
1743 | ||
1744 | static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, | |
1745 | struct ieee80211_vif *vif) | |
1746 | { | |
1747 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
1748 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1749 | ||
1750 | if (iwl_mvm_mac_remove_interface_common(hw, vif)) | |
1751 | goto out; | |
1752 | ||
8ca151b5 JB |
1753 | if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { |
1754 | mvm->p2p_device_vif = NULL; | |
d197358b | 1755 | iwl_mvm_rm_p2p_bcast_sta(mvm, vif); |
8ca151b5 | 1756 | iwl_mvm_binding_remove_vif(mvm, vif); |
650cadb7 GG |
1757 | iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); |
1758 | mvmvif->deflink.phy_ctxt = NULL; | |
8ca151b5 JB |
1759 | } |
1760 | ||
8ca151b5 JB |
1761 | iwl_mvm_mac_ctxt_remove(mvm, vif); |
1762 | ||
698478c4 SS |
1763 | RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); |
1764 | ||
baf41bc3 ST |
1765 | if (vif->type == NL80211_IFTYPE_MONITOR) |
1766 | mvm->monitor_on = false; | |
1767 | ||
60efeca1 MK |
1768 | out: |
1769 | if (vif->type == NL80211_IFTYPE_AP || | |
1770 | vif->type == NL80211_IFTYPE_ADHOC) { | |
650cadb7 | 1771 | iwl_mvm_dealloc_int_sta(mvm, &mvmvif->deflink.mcast_sta); |
60efeca1 MK |
1772 | iwl_mvm_dealloc_bcast_sta(mvm, vif); |
1773 | } | |
1774 | ||
8ca151b5 JB |
1775 | mutex_unlock(&mvm->mutex); |
1776 | } | |
1777 | ||
e59647ea EP |
1778 | struct iwl_mvm_mc_iter_data { |
1779 | struct iwl_mvm *mvm; | |
1780 | int port_id; | |
1781 | }; | |
1782 | ||
1783 | static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, | |
1784 | struct ieee80211_vif *vif) | |
1785 | { | |
1786 | struct iwl_mvm_mc_iter_data *data = _data; | |
1787 | struct iwl_mvm *mvm = data->mvm; | |
1788 | struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; | |
97bce57b LC |
1789 | struct iwl_host_cmd hcmd = { |
1790 | .id = MCAST_FILTER_CMD, | |
1791 | .flags = CMD_ASYNC, | |
1792 | .dataflags[0] = IWL_HCMD_DFL_NOCOPY, | |
1793 | }; | |
e59647ea EP |
1794 | int ret, len; |
1795 | ||
1796 | /* if we don't have free ports, mcast frames will be dropped */ | |
1797 | if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) | |
1798 | return; | |
1799 | ||
1800 | if (vif->type != NL80211_IFTYPE_STATION || | |
f276e20b | 1801 | !vif->cfg.assoc) |
e59647ea EP |
1802 | return; |
1803 | ||
1804 | cmd->port_id = data->port_id++; | |
1805 | memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); | |
1806 | len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); | |
1807 | ||
97bce57b LC |
1808 | hcmd.len[0] = len; |
1809 | hcmd.data[0] = cmd; | |
1810 | ||
1811 | ret = iwl_mvm_send_cmd(mvm, &hcmd); | |
e59647ea EP |
1812 | if (ret) |
1813 | IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); | |
1814 | } | |
1815 | ||
1816 | static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) | |
1817 | { | |
1818 | struct iwl_mvm_mc_iter_data iter_data = { | |
1819 | .mvm = mvm, | |
88f2fd73 | 1820 | }; |
db66abee | 1821 | int ret; |
88f2fd73 | 1822 | |
e59647ea EP |
1823 | lockdep_assert_held(&mvm->mutex); |
1824 | ||
1825 | if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) | |
1826 | return; | |
1827 | ||
1c4abec0 | 1828 | ieee80211_iterate_active_interfaces_atomic( |
e59647ea EP |
1829 | mvm->hw, IEEE80211_IFACE_ITER_NORMAL, |
1830 | iwl_mvm_mc_iface_iterator, &iter_data); | |
db66abee JB |
1831 | |
1832 | /* | |
1833 | * Send a (synchronous) ech command so that we wait for the | |
1834 | * multiple asynchronous MCAST_FILTER_CMD commands sent by | |
1835 | * the interface iterator. Otherwise, we might get here over | |
1836 | * and over again (by userspace just sending a lot of these) | |
1837 | * and the CPU can send them faster than the firmware can | |
1838 | * process them. | |
1839 | * Note that the CPU is still faster - but with this we'll | |
1840 | * actually send fewer commands overall because the CPU will | |
1841 | * not schedule the work in mac80211 as frequently if it's | |
1842 | * still running when rescheduled (possibly multiple times). | |
1843 | */ | |
1844 | ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); | |
1845 | if (ret) | |
1846 | IWL_ERR(mvm, "Failed to synchronize multicast groups update\n"); | |
88f2fd73 MG |
1847 | } |
1848 | ||
cbce62a3 MK |
1849 | u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, |
1850 | struct netdev_hw_addr_list *mc_list) | |
8ca151b5 | 1851 | { |
e59647ea EP |
1852 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
1853 | struct iwl_mcast_filter_cmd *cmd; | |
1854 | struct netdev_hw_addr *addr; | |
f3bd58f4 MS |
1855 | int addr_count; |
1856 | bool pass_all; | |
e59647ea EP |
1857 | int len; |
1858 | ||
f3bd58f4 MS |
1859 | addr_count = netdev_hw_addr_list_count(mc_list); |
1860 | pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || | |
1861 | IWL_MVM_FW_MCAST_FILTER_PASS_ALL; | |
1862 | if (pass_all) | |
e59647ea | 1863 | addr_count = 0; |
e59647ea EP |
1864 | |
1865 | len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); | |
1866 | cmd = kzalloc(len, GFP_ATOMIC); | |
1867 | if (!cmd) | |
1868 | return 0; | |
1869 | ||
1870 | if (pass_all) { | |
1871 | cmd->pass_all = 1; | |
1872 | return (u64)(unsigned long)cmd; | |
1873 | } | |
1874 | ||
1875 | netdev_hw_addr_list_for_each(addr, mc_list) { | |
1876 | IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", | |
1877 | cmd->count, addr->addr); | |
1878 | memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], | |
1879 | addr->addr, ETH_ALEN); | |
1880 | cmd->count++; | |
1881 | } | |
1882 | ||
1883 | return (u64)(unsigned long)cmd; | |
8ca151b5 JB |
1884 | } |
1885 | ||
cbce62a3 MK |
1886 | void iwl_mvm_configure_filter(struct ieee80211_hw *hw, |
1887 | unsigned int changed_flags, | |
1888 | unsigned int *total_flags, u64 multicast) | |
8ca151b5 | 1889 | { |
e59647ea EP |
1890 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
1891 | struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; | |
8ca151b5 | 1892 | |
e59647ea | 1893 | mutex_lock(&mvm->mutex); |
51b6b9e0 | 1894 | |
e59647ea EP |
1895 | /* replace previous configuration */ |
1896 | kfree(mvm->mcast_filter_cmd); | |
1897 | mvm->mcast_filter_cmd = cmd; | |
51b6b9e0 | 1898 | |
e59647ea EP |
1899 | if (!cmd) |
1900 | goto out; | |
51b6b9e0 | 1901 | |
61e7d91b LC |
1902 | if (changed_flags & FIF_ALLMULTI) |
1903 | cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); | |
1904 | ||
1905 | if (cmd->pass_all) | |
1906 | cmd->count = 0; | |
1907 | ||
e59647ea EP |
1908 | iwl_mvm_recalc_multicast(mvm); |
1909 | out: | |
1910 | mutex_unlock(&mvm->mutex); | |
1911 | *total_flags = 0; | |
51b6b9e0 EG |
1912 | } |
1913 | ||
effd1929 AO |
1914 | static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, |
1915 | struct ieee80211_vif *vif, | |
1916 | unsigned int filter_flags, | |
1917 | unsigned int changed_flags) | |
1918 | { | |
1919 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
1920 | ||
1921 | /* We support only filter for probe requests */ | |
1922 | if (!(changed_flags & FIF_PROBE_REQ)) | |
1923 | return; | |
1924 | ||
1925 | /* Supported only for p2p client interfaces */ | |
f276e20b | 1926 | if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc || |
effd1929 AO |
1927 | !vif->p2p) |
1928 | return; | |
1929 | ||
1930 | mutex_lock(&mvm->mutex); | |
1931 | iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); | |
1932 | mutex_unlock(&mvm->mutex); | |
1933 | } | |
1934 | ||
22c58834 | 1935 | int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, struct ieee80211_vif *vif) |
a07a8f37 SS |
1936 | { |
1937 | struct iwl_mu_group_mgmt_cmd cmd = {}; | |
1938 | ||
1939 | memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, | |
1940 | WLAN_MEMBERSHIP_LEN); | |
1941 | memcpy(cmd.user_position, vif->bss_conf.mu_group.position, | |
1942 | WLAN_USER_POSITION_LEN); | |
1943 | ||
1944 | return iwl_mvm_send_cmd_pdu(mvm, | |
1945 | WIDE_ID(DATA_PATH_GROUP, | |
1946 | UPDATE_MU_GROUPS_CMD), | |
1947 | 0, sizeof(cmd), &cmd); | |
1948 | } | |
1949 | ||
f92659a1 SS |
1950 | static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, |
1951 | struct ieee80211_vif *vif) | |
1952 | { | |
d0a9123e | 1953 | if (vif->bss_conf.mu_mimo_owner) { |
f92659a1 SS |
1954 | struct iwl_mu_group_mgmt_notif *notif = _data; |
1955 | ||
1956 | /* | |
1957 | * MU-MIMO Group Id action frame is little endian. We treat | |
1958 | * the data received from firmware as if it came from the | |
1959 | * action frame, so no conversion is needed. | |
1960 | */ | |
afe0d181 | 1961 | ieee80211_update_mu_groups(vif, 0, |
f92659a1 SS |
1962 | (u8 *)¬if->membership_status, |
1963 | (u8 *)¬if->user_position); | |
1964 | } | |
1965 | } | |
1966 | ||
1967 | void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, | |
1968 | struct iwl_rx_cmd_buffer *rxb) | |
1969 | { | |
1970 | struct iwl_rx_packet *pkt = rxb_addr(rxb); | |
1971 | struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; | |
1972 | ||
1973 | ieee80211_iterate_active_interfaces_atomic( | |
1974 | mvm->hw, IEEE80211_IFACE_ITER_NORMAL, | |
1975 | iwl_mvm_mu_mimo_iface_iterator, notif); | |
1976 | } | |
1977 | ||
514c3069 LC |
1978 | static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) |
1979 | { | |
1980 | u8 byte_num = ppe_pos_bit / 8; | |
1981 | u8 bit_num = ppe_pos_bit % 8; | |
1982 | u8 residue_bits; | |
1983 | u8 res; | |
1984 | ||
1985 | if (bit_num <= 5) | |
1986 | return (ppe[byte_num] >> bit_num) & | |
1987 | (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); | |
1988 | ||
1989 | /* | |
1990 | * If bit_num > 5, we have to combine bits with next byte. | |
1991 | * Calculate how many bits we need to take from current byte (called | |
1992 | * here "residue_bits"), and add them to bits from next byte. | |
1993 | */ | |
1994 | ||
1995 | residue_bits = 8 - bit_num; | |
1996 | ||
1997 | res = (ppe[byte_num + 1] & | |
1998 | (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << | |
1999 | residue_bits; | |
2000 | res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); | |
2001 | ||
2002 | return res; | |
2003 | } | |
2004 | ||
091296d3 MK |
2005 | static void iwl_mvm_parse_ppe(struct iwl_mvm *mvm, |
2006 | struct iwl_he_pkt_ext_v2 *pkt_ext, u8 nss, | |
cb63eb43 MK |
2007 | u8 ru_index_bitmap, u8 *ppe, u8 ppe_pos_bit, |
2008 | bool inheritance) | |
091296d3 MK |
2009 | { |
2010 | int i; | |
2011 | ||
2012 | /* | |
2013 | * FW currently supports only nss == MAX_HE_SUPP_NSS | |
2014 | * | |
2015 | * If nss > MAX: we can ignore values we don't support | |
2016 | * If nss < MAX: we can set zeros in other streams | |
2017 | */ | |
2018 | if (nss > MAX_HE_SUPP_NSS) { | |
4d8421f2 JD |
2019 | IWL_DEBUG_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, |
2020 | MAX_HE_SUPP_NSS); | |
091296d3 MK |
2021 | nss = MAX_HE_SUPP_NSS; |
2022 | } | |
2023 | ||
2024 | for (i = 0; i < nss; i++) { | |
2025 | u8 ru_index_tmp = ru_index_bitmap << 1; | |
2026 | u8 low_th = IWL_HE_PKT_EXT_NONE, high_th = IWL_HE_PKT_EXT_NONE; | |
2027 | u8 bw; | |
2028 | ||
2029 | for (bw = 0; | |
2030 | bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); | |
2031 | bw++) { | |
2032 | ru_index_tmp >>= 1; | |
2033 | ||
cb63eb43 MK |
2034 | /* |
2035 | * According to the 11be spec, if for a specific BW the PPE Thresholds | |
2036 | * isn't present - it should inherit the thresholds from the last | |
2037 | * BW for which we had PPE Thresholds. In 11ax though, we don't have | |
2038 | * this inheritance - continue in this case | |
2039 | */ | |
2040 | if (!(ru_index_tmp & 1)) { | |
2041 | if (inheritance) | |
2042 | goto set_thresholds; | |
2043 | else | |
2044 | continue; | |
2045 | } | |
091296d3 MK |
2046 | |
2047 | high_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); | |
2048 | ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; | |
2049 | low_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); | |
2050 | ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; | |
2051 | ||
cb63eb43 | 2052 | set_thresholds: |
091296d3 MK |
2053 | pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; |
2054 | pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; | |
2055 | } | |
2056 | } | |
2057 | } | |
2058 | ||
2059 | static void iwl_mvm_set_pkt_ext_from_he_ppe(struct iwl_mvm *mvm, | |
57974a55 | 2060 | struct ieee80211_link_sta *link_sta, |
cb63eb43 MK |
2061 | struct iwl_he_pkt_ext_v2 *pkt_ext, |
2062 | bool inheritance) | |
091296d3 | 2063 | { |
57974a55 GG |
2064 | u8 nss = (link_sta->he_cap.ppe_thres[0] & |
2065 | IEEE80211_PPE_THRES_NSS_MASK) + 1; | |
2066 | u8 *ppe = &link_sta->he_cap.ppe_thres[0]; | |
091296d3 MK |
2067 | u8 ru_index_bitmap = |
2068 | u8_get_bits(*ppe, | |
2069 | IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK); | |
2070 | /* Starting after PPE header */ | |
2071 | u8 ppe_pos_bit = IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE; | |
2072 | ||
cb63eb43 MK |
2073 | iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, ppe, ppe_pos_bit, |
2074 | inheritance); | |
091296d3 MK |
2075 | } |
2076 | ||
4df6a075 MK |
2077 | static int |
2078 | iwl_mvm_set_pkt_ext_from_nominal_padding(struct iwl_he_pkt_ext_v2 *pkt_ext, | |
2079 | u8 nominal_padding) | |
091296d3 MK |
2080 | { |
2081 | int low_th = -1; | |
2082 | int high_th = -1; | |
2083 | int i; | |
2084 | ||
cb63eb43 | 2085 | /* all the macros are the same for EHT and HE */ |
091296d3 | 2086 | switch (nominal_padding) { |
cb63eb43 | 2087 | case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US: |
091296d3 MK |
2088 | low_th = IWL_HE_PKT_EXT_NONE; |
2089 | high_th = IWL_HE_PKT_EXT_NONE; | |
2090 | break; | |
cb63eb43 | 2091 | case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US: |
091296d3 MK |
2092 | low_th = IWL_HE_PKT_EXT_BPSK; |
2093 | high_th = IWL_HE_PKT_EXT_NONE; | |
2094 | break; | |
cb63eb43 MK |
2095 | case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US: |
2096 | case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US: | |
091296d3 MK |
2097 | low_th = IWL_HE_PKT_EXT_NONE; |
2098 | high_th = IWL_HE_PKT_EXT_BPSK; | |
2099 | break; | |
2100 | } | |
2101 | ||
4df6a075 MK |
2102 | if (low_th < 0 || high_th < 0) |
2103 | return -EINVAL; | |
2104 | ||
091296d3 | 2105 | /* Set the PPE thresholds accordingly */ |
4df6a075 MK |
2106 | for (i = 0; i < MAX_HE_SUPP_NSS; i++) { |
2107 | u8 bw; | |
091296d3 | 2108 | |
4df6a075 MK |
2109 | for (bw = 0; |
2110 | bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); | |
2111 | bw++) { | |
2112 | pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; | |
2113 | pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; | |
2114 | } | |
091296d3 | 2115 | } |
4df6a075 MK |
2116 | |
2117 | return 0; | |
091296d3 MK |
2118 | } |
2119 | ||
cb63eb43 MK |
2120 | static void iwl_mvm_get_optimal_ppe_info(struct iwl_he_pkt_ext_v2 *pkt_ext, |
2121 | u8 nominal_padding) | |
2122 | { | |
2123 | int i; | |
2124 | ||
2125 | for (i = 0; i < MAX_HE_SUPP_NSS; i++) { | |
2126 | u8 bw; | |
2127 | ||
2128 | for (bw = 0; bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); | |
2129 | bw++) { | |
2130 | u8 *qam_th = &pkt_ext->pkt_ext_qam_th[i][bw][0]; | |
2131 | ||
2132 | if (nominal_padding > | |
2133 | IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && | |
2134 | qam_th[1] == IWL_HE_PKT_EXT_NONE) | |
2135 | qam_th[1] = IWL_HE_PKT_EXT_4096QAM; | |
2136 | else if (nominal_padding == | |
2137 | IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && | |
2138 | qam_th[0] == IWL_HE_PKT_EXT_NONE && | |
2139 | qam_th[1] == IWL_HE_PKT_EXT_NONE) | |
2140 | qam_th[0] = IWL_HE_PKT_EXT_4096QAM; | |
2141 | } | |
2142 | } | |
2143 | } | |
2144 | ||
4df6a075 | 2145 | /* Set the pkt_ext field according to PPE Thresholds element */ |
57974a55 GG |
2146 | int iwl_mvm_set_sta_pkt_ext(struct iwl_mvm *mvm, |
2147 | struct ieee80211_link_sta *link_sta, | |
87f7e243 | 2148 | struct iwl_he_pkt_ext_v2 *pkt_ext) |
4df6a075 MK |
2149 | { |
2150 | u8 nominal_padding; | |
2151 | int i, ret = 0; | |
2152 | ||
57974a55 GG |
2153 | if (WARN_ON(!link_sta)) |
2154 | return -EINVAL; | |
2155 | ||
4df6a075 MK |
2156 | /* Initialize the PPE thresholds to "None" (7), as described in Table |
2157 | * 9-262ac of 80211.ax/D3.0. | |
2158 | */ | |
2159 | memset(pkt_ext, IWL_HE_PKT_EXT_NONE, | |
2160 | sizeof(struct iwl_he_pkt_ext_v2)); | |
2161 | ||
57974a55 | 2162 | if (link_sta->eht_cap.has_eht) { |
4df6a075 | 2163 | nominal_padding = |
57974a55 | 2164 | u8_get_bits(link_sta->eht_cap.eht_cap_elem.phy_cap_info[5], |
4df6a075 MK |
2165 | IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK); |
2166 | ||
2167 | /* If PPE Thresholds exists, parse them into a FW-familiar | |
2168 | * format. | |
2169 | */ | |
57974a55 | 2170 | if (link_sta->eht_cap.eht_cap_elem.phy_cap_info[5] & |
4df6a075 | 2171 | IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) { |
57974a55 | 2172 | u8 nss = (link_sta->eht_cap.eht_ppe_thres[0] & |
4df6a075 | 2173 | IEEE80211_EHT_PPE_THRES_NSS_MASK) + 1; |
57974a55 | 2174 | u8 *ppe = &link_sta->eht_cap.eht_ppe_thres[0]; |
4df6a075 MK |
2175 | u8 ru_index_bitmap = |
2176 | u16_get_bits(*ppe, | |
2177 | IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK); | |
2178 | /* Starting after PPE header */ | |
2179 | u8 ppe_pos_bit = IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE; | |
2180 | ||
2181 | iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, | |
2182 | ppe, ppe_pos_bit, true); | |
57974a55 GG |
2183 | /* EHT PPE Thresholds doesn't exist - set the API according to |
2184 | * HE PPE Tresholds | |
4df6a075 | 2185 | */ |
57974a55 | 2186 | } else if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & |
4df6a075 MK |
2187 | IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { |
2188 | /* Even though HE Capabilities IE doesn't contain PPE | |
2189 | * Thresholds for BW 320Mhz, thresholds for this BW will | |
2190 | * be filled in with the same values as 160Mhz, due to | |
2191 | * the inheritance, as required. | |
2192 | */ | |
57974a55 | 2193 | iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, |
4df6a075 MK |
2194 | true); |
2195 | ||
2196 | /* According to the requirements, for MCSs 12-13 the | |
2197 | * maximum value between HE PPE Threshold and Common | |
2198 | * Nominal Packet Padding needs to be taken | |
2199 | */ | |
2200 | iwl_mvm_get_optimal_ppe_info(pkt_ext, nominal_padding); | |
2201 | ||
2202 | /* if PPE Thresholds doesn't present in both EHT IE and HE IE - | |
2203 | * take the Thresholds from Common Nominal Packet Padding field | |
2204 | */ | |
2205 | } else { | |
2206 | ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, | |
2207 | nominal_padding); | |
2208 | } | |
57974a55 | 2209 | } else if (link_sta->he_cap.has_he) { |
4df6a075 | 2210 | /* If PPE Thresholds exist, parse them into a FW-familiar format. */ |
57974a55 | 2211 | if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & |
4df6a075 | 2212 | IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { |
57974a55 | 2213 | iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, |
4df6a075 MK |
2214 | false); |
2215 | /* PPE Thresholds doesn't exist - set the API PPE values | |
2216 | * according to Common Nominal Packet Padding field. | |
2217 | */ | |
2218 | } else { | |
2219 | nominal_padding = | |
57974a55 | 2220 | u8_get_bits(link_sta->he_cap.he_cap_elem.phy_cap_info[9], |
4df6a075 MK |
2221 | IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); |
2222 | if (nominal_padding != IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED) | |
2223 | ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, | |
2224 | nominal_padding); | |
2225 | } | |
2226 | } | |
2227 | ||
2228 | for (i = 0; i < MAX_HE_SUPP_NSS; i++) { | |
2229 | int bw; | |
2230 | ||
2231 | for (bw = 0; | |
2232 | bw < ARRAY_SIZE(*pkt_ext->pkt_ext_qam_th[i]); | |
2233 | bw++) { | |
2234 | u8 *qam_th = | |
2235 | &pkt_ext->pkt_ext_qam_th[i][bw][0]; | |
2236 | ||
2237 | IWL_DEBUG_HT(mvm, | |
2238 | "PPE table: nss[%d] bw[%d] PPET8 = %d, PPET16 = %d\n", | |
2239 | i, bw, qam_th[0], qam_th[1]); | |
2240 | } | |
2241 | } | |
2242 | return ret; | |
2243 | } | |
2244 | ||
9c4f15ca MK |
2245 | /* |
2246 | * This function sets the MU EDCA parameters ans returns whether MU EDCA | |
2247 | * is enabled or not | |
2248 | */ | |
55eb1c5f MK |
2249 | bool iwl_mvm_set_fw_mu_edca_params(struct iwl_mvm *mvm, |
2250 | struct iwl_mvm_vif *mvmvif, | |
2251 | struct iwl_he_backoff_conf *trig_based_txf) | |
9c4f15ca MK |
2252 | { |
2253 | int i; | |
2254 | /* Mark MU EDCA as enabled, unless none detected on some AC */ | |
2255 | bool mu_edca_enabled = true; | |
2256 | ||
2257 | for (i = 0; i < IEEE80211_NUM_ACS; i++) { | |
2258 | struct ieee80211_he_mu_edca_param_ac_rec *mu_edca = | |
650cadb7 | 2259 | &mvmvif->deflink.queue_params[i].mu_edca_param_rec; |
9c4f15ca MK |
2260 | u8 ac = iwl_mvm_mac80211_ac_to_ucode_ac(i); |
2261 | ||
650cadb7 | 2262 | if (!mvmvif->deflink.queue_params[i].mu_edca) { |
9c4f15ca MK |
2263 | mu_edca_enabled = false; |
2264 | break; | |
2265 | } | |
2266 | ||
2267 | trig_based_txf[ac].cwmin = | |
2268 | cpu_to_le16(mu_edca->ecw_min_max & 0xf); | |
2269 | trig_based_txf[ac].cwmax = | |
2270 | cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); | |
2271 | trig_based_txf[ac].aifsn = | |
2272 | cpu_to_le16(mu_edca->aifsn & 0xf); | |
2273 | trig_based_txf[ac].mu_time = | |
2274 | cpu_to_le16(mu_edca->mu_edca_timer); | |
2275 | } | |
2276 | ||
2277 | return mu_edca_enabled; | |
2278 | } | |
2279 | ||
9be162a7 | 2280 | bool iwl_mvm_is_nic_ack_enabled(struct iwl_mvm *mvm, struct ieee80211_vif *vif) |
9c4f15ca MK |
2281 | { |
2282 | const struct ieee80211_supported_band *sband; | |
2283 | const struct ieee80211_sta_he_cap *own_he_cap = NULL; | |
2284 | ||
2285 | /* This capability is the same for all bands, | |
2286 | * so take it from one of them. | |
2287 | */ | |
2288 | sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; | |
2289 | own_he_cap = ieee80211_get_he_iftype_cap(sband, | |
2290 | ieee80211_vif_type_p2p(vif)); | |
2291 | ||
2292 | return (own_he_cap && (own_he_cap->he_cap_elem.mac_cap_info[2] & | |
2293 | IEEE80211_HE_MAC_CAP2_ACK_EN)); | |
2294 | } | |
2295 | ||
57974a55 GG |
2296 | __le32 iwl_mvm_get_sta_htc_flags(struct ieee80211_sta *sta, |
2297 | struct ieee80211_link_sta *link_sta) | |
4df6a075 | 2298 | { |
57974a55 GG |
2299 | u8 *mac_cap_info = |
2300 | &link_sta->he_cap.he_cap_elem.mac_cap_info[0]; | |
4df6a075 MK |
2301 | __le32 htc_flags = 0; |
2302 | ||
2303 | if (mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) | |
2304 | htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); | |
2305 | if ((mac_cap_info[1] & IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || | |
2306 | (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { | |
2307 | u8 link_adap = | |
2308 | ((mac_cap_info[2] & | |
2309 | IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + | |
2310 | (mac_cap_info[1] & | |
2311 | IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); | |
2312 | ||
2313 | if (link_adap == 2) | |
2314 | htc_flags |= | |
2315 | cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); | |
2316 | else if (link_adap == 3) | |
2317 | htc_flags |= cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); | |
2318 | } | |
2319 | if (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) | |
2320 | htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); | |
2321 | if (mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL) | |
2322 | htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); | |
2323 | if (mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) | |
2324 | htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); | |
2325 | ||
2326 | return htc_flags; | |
2327 | } | |
2328 | ||
514c3069 LC |
2329 | static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, |
2330 | struct ieee80211_vif *vif, u8 sta_id) | |
2331 | { | |
2332 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
42506dd2 | 2333 | struct iwl_he_sta_context_cmd_v3 sta_ctxt_cmd = { |
514c3069 LC |
2334 | .sta_id = sta_id, |
2335 | .tid_limit = IWL_MAX_TID_COUNT, | |
dd56e902 | 2336 | .bss_color = vif->bss_conf.he_bss_color.color, |
514c3069 LC |
2337 | .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, |
2338 | .frame_time_rts_th = | |
2339 | cpu_to_le16(vif->bss_conf.frame_time_rts_th), | |
2340 | }; | |
42506dd2 JB |
2341 | struct iwl_he_sta_context_cmd_v2 sta_ctxt_cmd_v2 = {}; |
2342 | u32 cmd_id = WIDE_ID(DATA_PATH_GROUP, STA_HE_CTXT_CMD); | |
2343 | u8 ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 2); | |
2344 | int size; | |
514c3069 LC |
2345 | struct ieee80211_sta *sta; |
2346 | u32 flags; | |
2347 | int i; | |
42506dd2 JB |
2348 | void *cmd; |
2349 | ||
2350 | if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_MBSSID_HE)) | |
2351 | ver = 1; | |
2352 | ||
2353 | switch (ver) { | |
2354 | case 1: | |
2355 | /* same layout as v2 except some data at the end */ | |
2356 | cmd = &sta_ctxt_cmd_v2; | |
2357 | size = sizeof(struct iwl_he_sta_context_cmd_v1); | |
2358 | break; | |
2359 | case 2: | |
2360 | cmd = &sta_ctxt_cmd_v2; | |
2361 | size = sizeof(struct iwl_he_sta_context_cmd_v2); | |
2362 | break; | |
2363 | case 3: | |
2364 | cmd = &sta_ctxt_cmd; | |
2365 | size = sizeof(struct iwl_he_sta_context_cmd_v3); | |
2366 | break; | |
2367 | default: | |
2368 | IWL_ERR(mvm, "bad STA_HE_CTXT_CMD version %d\n", ver); | |
2369 | return; | |
2370 | } | |
514c3069 LC |
2371 | |
2372 | rcu_read_lock(); | |
2373 | ||
2374 | sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); | |
12d47f0e | 2375 | if (IS_ERR_OR_NULL(sta)) { |
514c3069 LC |
2376 | rcu_read_unlock(); |
2377 | WARN(1, "Can't find STA to configure HE\n"); | |
2378 | return; | |
2379 | } | |
2380 | ||
046d2e7c | 2381 | if (!sta->deflink.he_cap.has_he) { |
514c3069 LC |
2382 | rcu_read_unlock(); |
2383 | return; | |
2384 | } | |
2385 | ||
2386 | flags = 0; | |
2387 | ||
4f58121d | 2388 | /* Block 26-tone RU OFDMA transmissions */ |
650cadb7 | 2389 | if (mvmvif->deflink.he_ru_2mhz_block) |
4f58121d IP |
2390 | flags |= STA_CTXT_HE_RU_2MHZ_BLOCK; |
2391 | ||
514c3069 | 2392 | /* HTC flags */ |
57974a55 | 2393 | sta_ctxt_cmd.htc_flags = iwl_mvm_get_sta_htc_flags(sta, &sta->deflink); |
514c3069 | 2394 | |
4df6a075 | 2395 | /* PPE Thresholds */ |
57974a55 | 2396 | if (!iwl_mvm_set_sta_pkt_ext(mvm, &sta->deflink, &sta_ctxt_cmd.pkt_ext)) |
4df6a075 | 2397 | flags |= STA_CTXT_HE_PACKET_EXT; |
73f23d91 | 2398 | |
046d2e7c | 2399 | if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & |
73f23d91 ST |
2400 | IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP) |
2401 | flags |= STA_CTXT_HE_32BIT_BA_BITMAP; | |
2402 | ||
046d2e7c | 2403 | if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & |
73f23d91 ST |
2404 | IEEE80211_HE_MAC_CAP2_ACK_EN) |
2405 | flags |= STA_CTXT_HE_ACK_ENABLED; | |
2406 | ||
514c3069 LC |
2407 | rcu_read_unlock(); |
2408 | ||
9c4f15ca MK |
2409 | if (iwl_mvm_set_fw_mu_edca_params(mvm, mvmvif, |
2410 | &sta_ctxt_cmd.trig_based_txf[0])) | |
2411 | flags |= STA_CTXT_HE_MU_EDCA_CW; | |
514c3069 LC |
2412 | |
2413 | if (vif->bss_conf.uora_exists) { | |
2414 | flags |= STA_CTXT_HE_TRIG_RND_ALLOC; | |
2415 | ||
2416 | sta_ctxt_cmd.rand_alloc_ecwmin = | |
2417 | vif->bss_conf.uora_ocw_range & 0x7; | |
2418 | sta_ctxt_cmd.rand_alloc_ecwmax = | |
2419 | (vif->bss_conf.uora_ocw_range >> 3) & 0x7; | |
2420 | } | |
2421 | ||
9c4f15ca | 2422 | if (!iwl_mvm_is_nic_ack_enabled(mvm, vif)) |
ee1a02d7 ST |
2423 | flags |= STA_CTXT_HE_NIC_NOT_ACK_ENABLED; |
2424 | ||
918cbf39 SS |
2425 | if (vif->bss_conf.nontransmitted) { |
2426 | flags |= STA_CTXT_HE_REF_BSSID_VALID; | |
2427 | ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr, | |
2428 | vif->bss_conf.transmitter_bssid); | |
d14ae796 SS |
2429 | sta_ctxt_cmd.max_bssid_indicator = |
2430 | vif->bss_conf.bssid_indicator; | |
2431 | sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index; | |
2432 | sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap; | |
2433 | sta_ctxt_cmd.profile_periodicity = | |
2434 | vif->bss_conf.profile_periodicity; | |
918cbf39 | 2435 | } |
514c3069 LC |
2436 | |
2437 | sta_ctxt_cmd.flags = cpu_to_le32(flags); | |
2438 | ||
42506dd2 JB |
2439 | if (ver < 3) { |
2440 | /* fields before pkt_ext */ | |
2441 | BUILD_BUG_ON(offsetof(typeof(sta_ctxt_cmd), pkt_ext) != | |
2442 | offsetof(typeof(sta_ctxt_cmd_v2), pkt_ext)); | |
2443 | memcpy(&sta_ctxt_cmd_v2, &sta_ctxt_cmd, | |
2444 | offsetof(typeof(sta_ctxt_cmd), pkt_ext)); | |
2445 | ||
2446 | /* pkt_ext */ | |
2447 | for (i = 0; | |
2448 | i < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th); | |
2449 | i++) { | |
2450 | u8 bw; | |
2451 | ||
2452 | for (bw = 0; | |
2453 | bw < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i]); | |
2454 | bw++) { | |
2455 | BUILD_BUG_ON(sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw]) != | |
2456 | sizeof(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw])); | |
2457 | ||
2458 | memcpy(&sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw], | |
2459 | &sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw], | |
2460 | sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw])); | |
2461 | } | |
2462 | } | |
2463 | ||
2464 | /* fields after pkt_ext */ | |
2465 | BUILD_BUG_ON(sizeof(sta_ctxt_cmd) - | |
2466 | offsetofend(typeof(sta_ctxt_cmd), pkt_ext) != | |
2467 | sizeof(sta_ctxt_cmd_v2) - | |
2468 | offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext)); | |
2469 | memcpy((u8 *)&sta_ctxt_cmd_v2 + | |
2470 | offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext), | |
2471 | (u8 *)&sta_ctxt_cmd + | |
2472 | offsetofend(typeof(sta_ctxt_cmd), pkt_ext), | |
2473 | sizeof(sta_ctxt_cmd) - | |
2474 | offsetofend(typeof(sta_ctxt_cmd), pkt_ext)); | |
2475 | sta_ctxt_cmd_v2.reserved3 = 0; | |
2476 | } | |
2477 | ||
2478 | if (iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, size, cmd)) | |
514c3069 LC |
2479 | IWL_ERR(mvm, "Failed to config FW to work HE!\n"); |
2480 | } | |
2481 | ||
660eba5a MK |
2482 | void iwl_mvm_protect_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, |
2483 | u32 duration_override) | |
af84ac57 JB |
2484 | { |
2485 | u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; | |
2486 | u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; | |
2487 | ||
2488 | if (duration_override > duration) | |
2489 | duration = duration_override; | |
2490 | ||
2491 | /* Try really hard to protect the session and hear a beacon | |
2492 | * The new session protection command allows us to protect the | |
2493 | * session for a much longer time since the firmware will internally | |
2494 | * create two events: a 300TU one with a very high priority that | |
2495 | * won't be fragmented which should be enough for 99% of the cases, | |
2496 | * and another one (which we configure here to be 900TU long) which | |
2497 | * will have a slightly lower priority, but more importantly, can be | |
2498 | * fragmented so that it'll allow other activities to run. | |
2499 | */ | |
2500 | if (fw_has_capa(&mvm->fw->ucode_capa, | |
2501 | IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) | |
2502 | iwl_mvm_schedule_session_protection(mvm, vif, 900, | |
2503 | min_duration, false); | |
2504 | else | |
2505 | iwl_mvm_protect_session(mvm, vif, duration, | |
2506 | min_duration, 500, false); | |
2507 | } | |
2508 | ||
660eba5a MK |
2509 | /* Handle association common part to MLD and non-MLD modes */ |
2510 | void iwl_mvm_bss_info_changed_station_assoc(struct iwl_mvm *mvm, | |
2511 | struct ieee80211_vif *vif, | |
2512 | u64 changes) | |
2513 | { | |
2514 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
2515 | int ret; | |
2516 | ||
2517 | /* The firmware tracks the MU-MIMO group on its own. | |
2518 | * However, on HW restart we should restore this data. | |
2519 | */ | |
2520 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && | |
2521 | (changes & BSS_CHANGED_MU_GROUPS) && vif->bss_conf.mu_mimo_owner) { | |
2522 | ret = iwl_mvm_update_mu_groups(mvm, vif); | |
2523 | if (ret) | |
2524 | IWL_ERR(mvm, | |
2525 | "failed to update VHT MU_MIMO groups\n"); | |
2526 | } | |
2527 | ||
2528 | iwl_mvm_recalc_multicast(mvm); | |
2529 | ||
2530 | /* reset rssi values */ | |
2531 | mvmvif->bf_data.ave_beacon_signal = 0; | |
2532 | ||
2533 | iwl_mvm_bt_coex_vif_change(mvm); | |
1a3e7039 GG |
2534 | iwl_mvm_update_smps_on_active_links(mvm, vif, IWL_MVM_SMPS_REQ_TT, |
2535 | IEEE80211_SMPS_AUTOMATIC); | |
660eba5a MK |
2536 | if (fw_has_capa(&mvm->fw->ucode_capa, |
2537 | IWL_UCODE_TLV_CAPA_UMAC_SCAN)) | |
2538 | iwl_mvm_config_scan(mvm); | |
2539 | } | |
2540 | ||
2541 | /* Execute the common part for MLD and non-MLD modes */ | |
1a3e7039 GG |
2542 | void |
2543 | iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm, | |
2544 | struct ieee80211_vif *vif, | |
2545 | struct ieee80211_bss_conf *link_conf, | |
2546 | u64 changes) | |
660eba5a MK |
2547 | { |
2548 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
2549 | int ret; | |
2550 | ||
2551 | if (changes & BSS_CHANGED_BEACON_INFO) { | |
2552 | /* We received a beacon from the associated AP so | |
2553 | * remove the session protection. | |
2554 | */ | |
2555 | iwl_mvm_stop_session_protection(mvm, vif); | |
2556 | ||
2557 | iwl_mvm_sf_update(mvm, vif, false); | |
2558 | WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); | |
2559 | } | |
2560 | ||
2561 | if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | | |
2562 | /* Send power command on every beacon change, | |
2563 | * because we may have not enabled beacon abort yet. | |
2564 | */ | |
2565 | BSS_CHANGED_BEACON_INFO)) { | |
2566 | ret = iwl_mvm_power_update_mac(mvm); | |
2567 | if (ret) | |
2568 | IWL_ERR(mvm, "failed to update power mode\n"); | |
2569 | } | |
2570 | ||
2571 | if (changes & BSS_CHANGED_CQM) { | |
2572 | IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n"); | |
2573 | /* reset cqm events tracking */ | |
2574 | mvmvif->bf_data.last_cqm_event = 0; | |
2575 | if (mvmvif->bf_data.bf_enabled) { | |
22c58834 GG |
2576 | /* FIXME: need to update per link when FW API will |
2577 | * support it | |
2578 | */ | |
660eba5a MK |
2579 | ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); |
2580 | if (ret) | |
2581 | IWL_ERR(mvm, | |
2582 | "failed to update CQM thresholds\n"); | |
2583 | } | |
2584 | } | |
2585 | ||
2586 | if (changes & BSS_CHANGED_BANDWIDTH) | |
1a3e7039 | 2587 | iwl_mvm_update_link_smps(vif, link_conf); |
660eba5a MK |
2588 | } |
2589 | ||
8ca151b5 JB |
2590 | static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, |
2591 | struct ieee80211_vif *vif, | |
2592 | struct ieee80211_bss_conf *bss_conf, | |
7b7090b4 | 2593 | u64 changes) |
8ca151b5 JB |
2594 | { |
2595 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
2596 | int ret; | |
2597 | ||
6e97b0d2 | 2598 | /* |
cdaba917 EG |
2599 | * Re-calculate the tsf id, as the leader-follower relations depend |
2600 | * on the beacon interval, which was not known when the station | |
2601 | * interface was added. | |
6e97b0d2 | 2602 | */ |
f276e20b | 2603 | if (changes & BSS_CHANGED_ASSOC && vif->cfg.assoc) { |
cb63eb43 MK |
2604 | if ((vif->bss_conf.he_support && |
2605 | !iwlwifi_mod_params.disable_11ax) || | |
2606 | (vif->bss_conf.eht_support && | |
2607 | !iwlwifi_mod_params.disable_11be)) | |
650cadb7 | 2608 | iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); |
514c3069 | 2609 | |
6e97b0d2 | 2610 | iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); |
514c3069 | 2611 | } |
6e97b0d2 | 2612 | |
40ecdd01 ST |
2613 | /* Update MU EDCA params */ |
2614 | if (changes & BSS_CHANGED_QOS && mvmvif->associated && | |
cb63eb43 MK |
2615 | vif->cfg.assoc && |
2616 | ((vif->bss_conf.he_support && | |
2617 | !iwlwifi_mod_params.disable_11ax) || | |
2618 | (vif->bss_conf.eht_support && | |
2619 | !iwlwifi_mod_params.disable_11be))) | |
650cadb7 | 2620 | iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); |
40ecdd01 | 2621 | |
3dfd3a97 JB |
2622 | /* |
2623 | * If we're not associated yet, take the (new) BSSID before associating | |
2624 | * so the firmware knows. If we're already associated, then use the old | |
2625 | * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC | |
2626 | * branch for disassociation below. | |
2627 | */ | |
2628 | if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) | |
650cadb7 | 2629 | memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); |
3dfd3a97 | 2630 | |
650cadb7 | 2631 | ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->deflink.bssid); |
8ca151b5 JB |
2632 | if (ret) |
2633 | IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); | |
2634 | ||
3dfd3a97 | 2635 | /* after sending it once, adopt mac80211 data */ |
650cadb7 | 2636 | memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); |
f276e20b | 2637 | mvmvif->associated = vif->cfg.assoc; |
3dfd3a97 | 2638 | |
8ca151b5 | 2639 | if (changes & BSS_CHANGED_ASSOC) { |
f276e20b | 2640 | if (vif->cfg.assoc) { |
33cef925 JB |
2641 | /* clear statistics to get clean beacon counter */ |
2642 | iwl_mvm_request_statistics(mvm, true); | |
650cadb7 GG |
2643 | memset(&mvmvif->deflink.beacon_stats, 0, |
2644 | sizeof(mvmvif->deflink.beacon_stats)); | |
33cef925 | 2645 | |
8ca151b5 | 2646 | /* add quota for this interface */ |
7754ae79 | 2647 | ret = iwl_mvm_update_quotas(mvm, true, NULL); |
8ca151b5 JB |
2648 | if (ret) { |
2649 | IWL_ERR(mvm, "failed to update quotas\n"); | |
2650 | return; | |
2651 | } | |
016d27e1 JB |
2652 | |
2653 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, | |
fe959c7b EG |
2654 | &mvm->status) && |
2655 | !fw_has_capa(&mvm->fw->ucode_capa, | |
2656 | IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) { | |
016d27e1 JB |
2657 | /* |
2658 | * If we're restarting then the firmware will | |
2659 | * obviously have lost synchronisation with | |
2660 | * the AP. It will attempt to synchronise by | |
2661 | * itself, but we can make it more reliable by | |
2662 | * scheduling a session protection time event. | |
2663 | * | |
2664 | * The firmware needs to receive a beacon to | |
2665 | * catch up with synchronisation, use 110% of | |
2666 | * the beacon interval. | |
2667 | * | |
2668 | * Set a large maximum delay to allow for more | |
2669 | * than a single interface. | |
fe959c7b EG |
2670 | * |
2671 | * For new firmware versions, rely on the | |
2672 | * firmware. This is relevant for DCM scenarios | |
2673 | * only anyway. | |
016d27e1 JB |
2674 | */ |
2675 | u32 dur = (11 * vif->bss_conf.beacon_int) / 10; | |
2676 | iwl_mvm_protect_session(mvm, vif, dur, dur, | |
d20d37bc | 2677 | 5 * dur, false); |
af84ac57 JB |
2678 | } else if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, |
2679 | &mvm->status) && | |
2680 | !vif->bss_conf.dtim_period) { | |
2681 | /* | |
2682 | * If we're not restarting and still haven't | |
2683 | * heard a beacon (dtim period unknown) then | |
2684 | * make sure we still have enough minimum time | |
2685 | * remaining in the time event, since the auth | |
2686 | * might actually have taken quite a while | |
2687 | * (especially for SAE) and so the remaining | |
2688 | * time could be small without us having heard | |
2689 | * a beacon yet. | |
2690 | */ | |
2691 | iwl_mvm_protect_assoc(mvm, vif, 0); | |
016d27e1 | 2692 | } |
1f3b0ff8 LE |
2693 | |
2694 | iwl_mvm_sf_update(mvm, vif, false); | |
175a70b7 | 2695 | iwl_mvm_power_vif_assoc(mvm, vif); |
697162a1 | 2696 | if (vif->p2p) { |
697162a1 EG |
2697 | iwl_mvm_update_smps(mvm, vif, |
2698 | IWL_MVM_SMPS_REQ_PROT, | |
1a3e7039 | 2699 | IEEE80211_SMPS_DYNAMIC, 0); |
697162a1 | 2700 | } |
650cadb7 | 2701 | } else if (mvmvif->deflink.ap_sta_id != IWL_MVM_INVALID_STA) { |
6d19a5eb | 2702 | iwl_mvm_mei_host_disassociated(mvm); |
1f3b0ff8 LE |
2703 | /* |
2704 | * If update fails - SF might be running in associated | |
2705 | * mode while disassociated - which is forbidden. | |
2706 | */ | |
69e508b4 IP |
2707 | ret = iwl_mvm_sf_update(mvm, vif, false); |
2708 | WARN_ONCE(ret && | |
2709 | !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, | |
2710 | &mvm->status), | |
1f3b0ff8 LE |
2711 | "Failed to update SF upon disassociation\n"); |
2712 | ||
6b28f978 EG |
2713 | /* |
2714 | * If we get an assert during the connection (after the | |
2715 | * station has been added, but before the vif is set | |
2716 | * to associated), mac80211 will re-add the station and | |
2717 | * then configure the vif. Since the vif is not | |
2718 | * associated, we would remove the station here and | |
2719 | * this would fail the recovery. | |
2720 | */ | |
2721 | if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, | |
2722 | &mvm->status)) { | |
5c75a208 | 2723 | /* first remove remaining keys */ |
ba9eef6b GG |
2724 | iwl_mvm_sec_key_remove_ap(mvm, vif, |
2725 | &mvmvif->deflink); | |
5c75a208 | 2726 | |
6b28f978 EG |
2727 | /* |
2728 | * Remove AP station now that | |
2729 | * the MAC is unassoc | |
2730 | */ | |
2731 | ret = iwl_mvm_rm_sta_id(mvm, vif, | |
650cadb7 | 2732 | mvmvif->deflink.ap_sta_id); |
6b28f978 EG |
2733 | if (ret) |
2734 | IWL_ERR(mvm, | |
2735 | "failed to remove AP station\n"); | |
2736 | ||
650cadb7 | 2737 | mvmvif->deflink.ap_sta_id = IWL_MVM_INVALID_STA; |
6b28f978 | 2738 | } |
37577fe2 | 2739 | |
8ca151b5 | 2740 | /* remove quota for this interface */ |
7754ae79 | 2741 | ret = iwl_mvm_update_quotas(mvm, false, NULL); |
8ca151b5 JB |
2742 | if (ret) |
2743 | IWL_ERR(mvm, "failed to update quotas\n"); | |
29a90a49 | 2744 | |
3dfd3a97 JB |
2745 | /* this will take the cleared BSSID from bss_conf */ |
2746 | ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); | |
2747 | if (ret) | |
2748 | IWL_ERR(mvm, | |
2749 | "failed to update MAC %pM (clear after unassoc)\n", | |
2750 | vif->addr); | |
8ca151b5 | 2751 | } |
a20fd398 | 2752 | |
660eba5a | 2753 | iwl_mvm_bss_info_changed_station_assoc(mvm, vif, changes); |
cc87d322 EH |
2754 | } |
2755 | ||
1a3e7039 GG |
2756 | iwl_mvm_bss_info_changed_station_common(mvm, vif, &vif->bss_conf, |
2757 | changes); | |
8ca151b5 JB |
2758 | } |
2759 | ||
f947b62c MK |
2760 | bool iwl_mvm_start_ap_ibss_common(struct ieee80211_hw *hw, |
2761 | struct ieee80211_vif *vif, | |
2762 | int *ret) | |
2763 | { | |
2764 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
2765 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
2766 | int i; | |
2767 | ||
2768 | lockdep_assert_held(&mvm->mutex); | |
2769 | ||
2770 | mvmvif->ap_assoc_sta_count = 0; | |
2771 | ||
2772 | /* must be set before quota calculations */ | |
2773 | mvmvif->ap_ibss_active = true; | |
2774 | ||
2775 | /* send all the early keys to the device now */ | |
2776 | for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { | |
2777 | struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i]; | |
2778 | ||
2779 | if (!key) | |
2780 | continue; | |
2781 | ||
2782 | mvmvif->ap_early_keys[i] = NULL; | |
2783 | ||
2784 | *ret = __iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key); | |
2785 | if (*ret) | |
2786 | return true; | |
2787 | } | |
2788 | ||
2789 | if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { | |
2790 | iwl_mvm_vif_set_low_latency(mvmvif, true, | |
2791 | LOW_LATENCY_VIF_TYPE); | |
2792 | iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); | |
2793 | } | |
2794 | ||
2795 | /* power updated needs to be done before quotas */ | |
2796 | iwl_mvm_power_update_mac(mvm); | |
2797 | ||
2798 | return false; | |
2799 | } | |
2800 | ||
5023d966 | 2801 | static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, |
ae7ba17b | 2802 | struct ieee80211_vif *vif, |
b327c84c | 2803 | struct ieee80211_bss_conf *link_conf) |
8ca151b5 JB |
2804 | { |
2805 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
2806 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
f947b62c | 2807 | int ret; |
8ca151b5 JB |
2808 | |
2809 | mutex_lock(&mvm->mutex); | |
2810 | ||
6e97b0d2 | 2811 | /* |
cdaba917 EG |
2812 | * Re-calculate the tsf id, as the leader-follower relations depend on |
2813 | * the beacon interval, which was not known when the AP interface | |
2814 | * was added. | |
6e97b0d2 IP |
2815 | */ |
2816 | if (vif->type == NL80211_IFTYPE_AP) | |
2817 | iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); | |
2818 | ||
36cf5377 GG |
2819 | /* For older devices need to send beacon template before adding mac |
2820 | * context. For the newer, the beacon is a resource that belongs to a | |
2821 | * MAC, so need to send beacon template after adding the mac. | |
2822 | */ | |
2823 | if (mvm->trans->trans_cfg->device_family > IWL_DEVICE_FAMILY_22000) { | |
2824 | /* Add the mac context */ | |
2825 | ret = iwl_mvm_mac_ctxt_add(mvm, vif); | |
2826 | if (ret) | |
2827 | goto out_unlock; | |
2828 | ||
2829 | /* Send the beacon template */ | |
2830 | ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); | |
2831 | if (ret) | |
2832 | goto out_unlock; | |
2833 | } else { | |
2834 | /* Send the beacon template */ | |
2835 | ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); | |
2836 | if (ret) | |
2837 | goto out_unlock; | |
2838 | ||
2839 | /* Add the mac context */ | |
2840 | ret = iwl_mvm_mac_ctxt_add(mvm, vif); | |
2841 | if (ret) | |
2842 | goto out_unlock; | |
2843 | } | |
8ca151b5 JB |
2844 | |
2845 | /* Perform the binding */ | |
2846 | ret = iwl_mvm_binding_add_vif(mvm, vif); | |
2847 | if (ret) | |
2848 | goto out_remove; | |
2849 | ||
63dd5d02 SS |
2850 | /* |
2851 | * This is not very nice, but the simplest: | |
2852 | * For older FWs adding the mcast sta before the bcast station may | |
2853 | * cause assert 0x2b00. | |
2854 | * This is fixed in later FW so make the order of removal depend on | |
2855 | * the TLV | |
2856 | */ | |
2857 | if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { | |
2858 | ret = iwl_mvm_add_mcast_sta(mvm, vif); | |
2859 | if (ret) | |
2860 | goto out_unbind; | |
2861 | /* | |
2862 | * Send the bcast station. At this stage the TBTT and DTIM time | |
2863 | * events are added and applied to the scheduler | |
2864 | */ | |
2865 | ret = iwl_mvm_send_add_bcast_sta(mvm, vif); | |
2866 | if (ret) { | |
2867 | iwl_mvm_rm_mcast_sta(mvm, vif); | |
2868 | goto out_unbind; | |
2869 | } | |
2870 | } else { | |
2871 | /* | |
2872 | * Send the bcast station. At this stage the TBTT and DTIM time | |
2873 | * events are added and applied to the scheduler | |
2874 | */ | |
75fd4fec | 2875 | ret = iwl_mvm_send_add_bcast_sta(mvm, vif); |
63dd5d02 SS |
2876 | if (ret) |
2877 | goto out_unbind; | |
75fd4fec | 2878 | ret = iwl_mvm_add_mcast_sta(mvm, vif); |
63dd5d02 SS |
2879 | if (ret) { |
2880 | iwl_mvm_send_rm_bcast_sta(mvm, vif); | |
2881 | goto out_unbind; | |
2882 | } | |
2883 | } | |
26d6c16b | 2884 | |
f947b62c MK |
2885 | if (iwl_mvm_start_ap_ibss_common(hw, vif, &ret)) |
2886 | goto out_failed; | |
a11e144e | 2887 | |
7754ae79 | 2888 | ret = iwl_mvm_update_quotas(mvm, false, NULL); |
8ca151b5 | 2889 | if (ret) |
f947b62c | 2890 | goto out_failed; |
8ca151b5 | 2891 | |
5023d966 | 2892 | /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ |
8ca151b5 | 2893 | if (vif->p2p && mvm->p2p_device_vif) |
3dfd3a97 | 2894 | iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); |
8ca151b5 | 2895 | |
8e484f0b | 2896 | iwl_mvm_bt_coex_vif_change(mvm); |
dac94da8 | 2897 | |
f697267f AN |
2898 | /* we don't support TDLS during DCM */ |
2899 | if (iwl_mvm_phy_ctx_count(mvm) > 1) | |
2900 | iwl_mvm_teardown_tdls_peers(mvm); | |
2901 | ||
b73f9a4a JB |
2902 | iwl_mvm_ftm_restart_responder(mvm, vif); |
2903 | ||
939e4904 | 2904 | goto out_unlock; |
8ca151b5 | 2905 | |
f947b62c | 2906 | out_failed: |
999609f1 | 2907 | iwl_mvm_power_update_mac(mvm); |
5691e218 | 2908 | mvmvif->ap_ibss_active = false; |
013290aa | 2909 | iwl_mvm_send_rm_bcast_sta(mvm, vif); |
ced19f26 | 2910 | iwl_mvm_rm_mcast_sta(mvm, vif); |
8ca151b5 JB |
2911 | out_unbind: |
2912 | iwl_mvm_binding_remove_vif(mvm, vif); | |
2913 | out_remove: | |
2914 | iwl_mvm_mac_ctxt_remove(mvm, vif); | |
2915 | out_unlock: | |
2916 | mutex_unlock(&mvm->mutex); | |
2917 | return ret; | |
2918 | } | |
2919 | ||
ae7ba17b ST |
2920 | static int iwl_mvm_start_ap(struct ieee80211_hw *hw, |
2921 | struct ieee80211_vif *vif, | |
b327c84c | 2922 | struct ieee80211_bss_conf *link_conf) |
ae7ba17b | 2923 | { |
b327c84c | 2924 | return iwl_mvm_start_ap_ibss(hw, vif, link_conf); |
ae7ba17b ST |
2925 | } |
2926 | ||
2927 | static int iwl_mvm_start_ibss(struct ieee80211_hw *hw, | |
2928 | struct ieee80211_vif *vif) | |
2929 | { | |
b327c84c | 2930 | return iwl_mvm_start_ap_ibss(hw, vif, &vif->bss_conf); |
ae7ba17b ST |
2931 | } |
2932 | ||
fd1a54c1 MK |
2933 | /* Common part for MLD and non-MLD ops */ |
2934 | void iwl_mvm_stop_ap_ibss_common(struct iwl_mvm *mvm, | |
2935 | struct ieee80211_vif *vif) | |
8ca151b5 | 2936 | { |
8ca151b5 JB |
2937 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
2938 | ||
fd1a54c1 | 2939 | lockdep_assert_held(&mvm->mutex); |
38a12b5b | 2940 | |
fd1a54c1 | 2941 | iwl_mvm_prepare_mac_removal(mvm, vif); |
8ca151b5 | 2942 | |
664322fa | 2943 | /* Handle AP stop while in CSA */ |
7f0a7c67 AO |
2944 | if (rcu_access_pointer(mvm->csa_vif) == vif) { |
2945 | iwl_mvm_remove_time_event(mvm, mvmvif, | |
2946 | &mvmvif->time_event_data); | |
664322fa | 2947 | RCU_INIT_POINTER(mvm->csa_vif, NULL); |
e9cb0327 | 2948 | mvmvif->csa_countdown = false; |
7f0a7c67 | 2949 | } |
664322fa | 2950 | |
003e5236 AO |
2951 | if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { |
2952 | RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); | |
2953 | mvm->csa_tx_block_bcn_timeout = 0; | |
2954 | } | |
2955 | ||
5023d966 | 2956 | mvmvif->ap_ibss_active = false; |
1c87bbad | 2957 | mvm->ap_last_beacon_gp2 = 0; |
8ca151b5 | 2958 | |
47242744 TM |
2959 | if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { |
2960 | iwl_mvm_vif_set_low_latency(mvmvif, false, | |
2961 | LOW_LATENCY_VIF_TYPE); | |
2962 | iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); | |
2963 | } | |
2964 | ||
8e484f0b | 2965 | iwl_mvm_bt_coex_vif_change(mvm); |
fd1a54c1 MK |
2966 | } |
2967 | ||
2968 | static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, | |
2969 | struct ieee80211_vif *vif, | |
2970 | struct ieee80211_bss_conf *link_conf) | |
2971 | { | |
2972 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
2973 | ||
2974 | mutex_lock(&mvm->mutex); | |
2975 | ||
2976 | iwl_mvm_stop_ap_ibss_common(mvm, vif); | |
dac94da8 | 2977 | |
5023d966 | 2978 | /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ |
8ca151b5 | 2979 | if (vif->p2p && mvm->p2p_device_vif) |
3dfd3a97 | 2980 | iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); |
8ca151b5 | 2981 | |
7754ae79 | 2982 | iwl_mvm_update_quotas(mvm, false, NULL); |
ced19f26 | 2983 | |
be82ecd3 AS |
2984 | iwl_mvm_ftm_responder_clear(mvm, vif); |
2985 | ||
ced19f26 SS |
2986 | /* |
2987 | * This is not very nice, but the simplest: | |
2988 | * For older FWs removing the mcast sta before the bcast station may | |
2989 | * cause assert 0x2b00. | |
2990 | * This is fixed in later FW (which will stop beaconing when removing | |
2991 | * bcast station). | |
2992 | * So make the order of removal depend on the TLV | |
2993 | */ | |
2994 | if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) | |
2995 | iwl_mvm_rm_mcast_sta(mvm, vif); | |
013290aa | 2996 | iwl_mvm_send_rm_bcast_sta(mvm, vif); |
ced19f26 SS |
2997 | if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) |
2998 | iwl_mvm_rm_mcast_sta(mvm, vif); | |
8ca151b5 | 2999 | iwl_mvm_binding_remove_vif(mvm, vif); |
a11e144e | 3000 | |
999609f1 | 3001 | iwl_mvm_power_update_mac(mvm); |
a11e144e | 3002 | |
8ca151b5 JB |
3003 | iwl_mvm_mac_ctxt_remove(mvm, vif); |
3004 | ||
3005 | mutex_unlock(&mvm->mutex); | |
3006 | } | |
3007 | ||
ae7ba17b ST |
3008 | static void iwl_mvm_stop_ap(struct ieee80211_hw *hw, |
3009 | struct ieee80211_vif *vif, | |
b327c84c | 3010 | struct ieee80211_bss_conf *link_conf) |
ae7ba17b | 3011 | { |
b327c84c | 3012 | iwl_mvm_stop_ap_ibss(hw, vif, link_conf); |
ae7ba17b ST |
3013 | } |
3014 | ||
3015 | static void iwl_mvm_stop_ibss(struct ieee80211_hw *hw, | |
3016 | struct ieee80211_vif *vif) | |
3017 | { | |
b327c84c | 3018 | iwl_mvm_stop_ap_ibss(hw, vif, &vif->bss_conf); |
ae7ba17b ST |
3019 | } |
3020 | ||
5023d966 JB |
3021 | static void |
3022 | iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, | |
3023 | struct ieee80211_vif *vif, | |
3024 | struct ieee80211_bss_conf *bss_conf, | |
7b7090b4 | 3025 | u64 changes) |
8ca151b5 | 3026 | { |
be2056fc | 3027 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
8a5e3660 | 3028 | |
be2056fc IP |
3029 | /* Changes will be applied when the AP/IBSS is started */ |
3030 | if (!mvmvif->ap_ibss_active) | |
3031 | return; | |
3032 | ||
863230da | 3033 | if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | |
f7d8b702 | 3034 | BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && |
3dfd3a97 | 3035 | iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) |
863230da | 3036 | IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); |
8a5e3660 | 3037 | |
8ca151b5 | 3038 | /* Need to send a new beacon template to the FW */ |
863230da | 3039 | if (changes & BSS_CHANGED_BEACON && |
36cf5377 | 3040 | iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, &vif->bss_conf)) |
863230da | 3041 | IWL_WARN(mvm, "Failed updating beacon data\n"); |
79b7a69d | 3042 | |
b73f9a4a JB |
3043 | if (changes & BSS_CHANGED_FTM_RESPONDER) { |
3044 | int ret = iwl_mvm_ftm_start_responder(mvm, vif); | |
3045 | ||
3046 | if (ret) | |
3047 | IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n", | |
3048 | ret); | |
3049 | } | |
3050 | ||
8ca151b5 JB |
3051 | } |
3052 | ||
3053 | static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, | |
3054 | struct ieee80211_vif *vif, | |
3055 | struct ieee80211_bss_conf *bss_conf, | |
7b7090b4 | 3056 | u64 changes) |
660eba5a MK |
3057 | { |
3058 | struct iwl_mvm_bss_info_changed_ops callbacks = { | |
3059 | .bss_info_changed_sta = iwl_mvm_bss_info_changed_station, | |
3060 | .bss_info_changed_ap_ibss = iwl_mvm_bss_info_changed_ap_ibss, | |
3061 | }; | |
3062 | ||
3063 | iwl_mvm_bss_info_changed_common(hw, vif, bss_conf, &callbacks, | |
3064 | changes); | |
3065 | } | |
3066 | ||
3067 | void | |
3068 | iwl_mvm_bss_info_changed_common(struct ieee80211_hw *hw, | |
3069 | struct ieee80211_vif *vif, | |
3070 | struct ieee80211_bss_conf *bss_conf, | |
3071 | struct iwl_mvm_bss_info_changed_ops *callbacks, | |
3072 | u64 changes) | |
8ca151b5 JB |
3073 | { |
3074 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
3075 | ||
3076 | mutex_lock(&mvm->mutex); | |
3077 | ||
f276e20b | 3078 | if (changes & BSS_CHANGED_IDLE && !vif->cfg.idle) |
c7d42480 | 3079 | iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); |
723f02ed | 3080 | |
8ca151b5 JB |
3081 | switch (vif->type) { |
3082 | case NL80211_IFTYPE_STATION: | |
660eba5a | 3083 | callbacks->bss_info_changed_sta(mvm, vif, bss_conf, changes); |
8ca151b5 JB |
3084 | break; |
3085 | case NL80211_IFTYPE_AP: | |
5023d966 | 3086 | case NL80211_IFTYPE_ADHOC: |
660eba5a MK |
3087 | callbacks->bss_info_changed_ap_ibss(mvm, vif, bss_conf, |
3088 | changes); | |
8ca151b5 | 3089 | break; |
91b08c2d AE |
3090 | case NL80211_IFTYPE_MONITOR: |
3091 | if (changes & BSS_CHANGED_MU_GROUPS) | |
3092 | iwl_mvm_update_mu_groups(mvm, vif); | |
3093 | break; | |
8ca151b5 JB |
3094 | default: |
3095 | /* shouldn't happen */ | |
3096 | WARN_ON_ONCE(1); | |
3097 | } | |
3098 | ||
9aae43a4 JB |
3099 | if (changes & BSS_CHANGED_TXPOWER) { |
3100 | IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d dBm\n", | |
3101 | bss_conf->txpower); | |
3102 | iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); | |
3103 | } | |
3104 | ||
8ca151b5 JB |
3105 | mutex_unlock(&mvm->mutex); |
3106 | } | |
3107 | ||
cbce62a3 MK |
3108 | int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
3109 | struct ieee80211_scan_request *hw_req) | |
8ca151b5 JB |
3110 | { |
3111 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
3112 | int ret; | |
3113 | ||
6749dd80 LC |
3114 | if (hw_req->req.n_channels == 0 || |
3115 | hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) | |
8ca151b5 JB |
3116 | return -EINVAL; |
3117 | ||
3118 | mutex_lock(&mvm->mutex); | |
6749dd80 | 3119 | ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); |
8ca151b5 | 3120 | mutex_unlock(&mvm->mutex); |
6749dd80 | 3121 | |
8ca151b5 JB |
3122 | return ret; |
3123 | } | |
3124 | ||
cbce62a3 MK |
3125 | void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, |
3126 | struct ieee80211_vif *vif) | |
8ca151b5 JB |
3127 | { |
3128 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
3129 | ||
3130 | mutex_lock(&mvm->mutex); | |
3131 | ||
e7d3abab LC |
3132 | /* Due to a race condition, it's possible that mac80211 asks |
3133 | * us to stop a hw_scan when it's already stopped. This can | |
3134 | * happen, for instance, if we stopped the scan ourselves, | |
3135 | * called ieee80211_scan_completed() and the userspace called | |
3136 | * cancel scan scan before ieee80211_scan_work() could run. | |
3137 | * To handle that, simply return if the scan is not running. | |
3138 | */ | |
262888fc | 3139 | if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) |
c7d42480 | 3140 | iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); |
8ca151b5 JB |
3141 | |
3142 | mutex_unlock(&mvm->mutex); | |
3143 | } | |
3144 | ||
cbce62a3 | 3145 | void |
8ca151b5 | 3146 | iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, |
3e56eadf | 3147 | struct ieee80211_sta *sta, u16 tids, |
8ca151b5 JB |
3148 | int num_frames, |
3149 | enum ieee80211_frame_release_type reason, | |
3150 | bool more_data) | |
3151 | { | |
3152 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
8ca151b5 | 3153 | |
3e56eadf | 3154 | /* Called when we need to transmit (a) frame(s) from mac80211 */ |
8ca151b5 | 3155 | |
3e56eadf JB |
3156 | iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, |
3157 | tids, more_data, false); | |
3158 | } | |
3159 | ||
cbce62a3 | 3160 | void |
3e56eadf JB |
3161 | iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, |
3162 | struct ieee80211_sta *sta, u16 tids, | |
3163 | int num_frames, | |
3164 | enum ieee80211_frame_release_type reason, | |
3165 | bool more_data) | |
3166 | { | |
3167 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
3168 | ||
9a3fcf91 | 3169 | /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ |
3e56eadf JB |
3170 | |
3171 | iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, | |
3172 | tids, more_data, true); | |
8ca151b5 JB |
3173 | } |
3174 | ||
65e25482 JB |
3175 | static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, |
3176 | enum sta_notify_cmd cmd, | |
3177 | struct ieee80211_sta *sta) | |
8ca151b5 JB |
3178 | { |
3179 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
5b577a90 | 3180 | struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); |
c22b0ff5 | 3181 | unsigned long txqs = 0, tids = 0; |
3e56eadf | 3182 | int tid; |
8ca151b5 | 3183 | |
960f864b JB |
3184 | /* |
3185 | * If we have TVQM then we get too high queue numbers - luckily | |
3186 | * we really shouldn't get here with that because such hardware | |
3187 | * should have firmware supporting buffer station offload. | |
3188 | */ | |
3189 | if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) | |
3190 | return; | |
3191 | ||
c22b0ff5 | 3192 | spin_lock_bh(&mvmsta->lock); |
311590a3 | 3193 | for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) { |
c22b0ff5 EG |
3194 | struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; |
3195 | ||
6862fcee | 3196 | if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) |
1c17627b SS |
3197 | continue; |
3198 | ||
c22b0ff5 EG |
3199 | __set_bit(tid_data->txq_id, &txqs); |
3200 | ||
dd32162d | 3201 | if (iwl_mvm_tid_queued(mvm, tid_data) == 0) |
c22b0ff5 EG |
3202 | continue; |
3203 | ||
3204 | __set_bit(tid, &tids); | |
3205 | } | |
3206 | ||
8ca151b5 JB |
3207 | switch (cmd) { |
3208 | case STA_NOTIFY_SLEEP: | |
c22b0ff5 | 3209 | for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) |
3e56eadf | 3210 | ieee80211_sta_set_buffered(sta, tid, true); |
c22b0ff5 EG |
3211 | |
3212 | if (txqs) | |
3213 | iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); | |
8ca151b5 JB |
3214 | /* |
3215 | * The fw updates the STA to be asleep. Tx packets on the Tx | |
3216 | * queues to this station will not be transmitted. The fw will | |
3217 | * send a Tx response with TX_STATUS_FAIL_DEST_PS. | |
3218 | */ | |
3219 | break; | |
3220 | case STA_NOTIFY_AWAKE: | |
c8ee33e1 | 3221 | if (WARN_ON(mvmsta->deflink.sta_id == IWL_MVM_INVALID_STA)) |
8ca151b5 | 3222 | break; |
c22b0ff5 EG |
3223 | |
3224 | if (txqs) | |
3225 | iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); | |
9cc40712 | 3226 | iwl_mvm_sta_modify_ps_wake(mvm, sta); |
8ca151b5 JB |
3227 | break; |
3228 | default: | |
3229 | break; | |
3230 | } | |
c22b0ff5 | 3231 | spin_unlock_bh(&mvmsta->lock); |
8ca151b5 JB |
3232 | } |
3233 | ||
cbce62a3 MK |
3234 | void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
3235 | enum sta_notify_cmd cmd, struct ieee80211_sta *sta) | |
65e25482 JB |
3236 | { |
3237 | __iwl_mvm_mac_sta_notify(hw, cmd, sta); | |
3238 | } | |
3239 | ||
3240 | void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) | |
3241 | { | |
3242 | struct iwl_rx_packet *pkt = rxb_addr(rxb); | |
3243 | struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; | |
3244 | struct ieee80211_sta *sta; | |
3245 | struct iwl_mvm_sta *mvmsta; | |
3246 | bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); | |
3247 | ||
be9ae34e | 3248 | if (WARN_ON(notif->sta_id >= mvm->fw->ucode_capa.num_stations)) |
65e25482 JB |
3249 | return; |
3250 | ||
3251 | rcu_read_lock(); | |
a9560029 | 3252 | sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); |
65e25482 JB |
3253 | if (WARN_ON(IS_ERR_OR_NULL(sta))) { |
3254 | rcu_read_unlock(); | |
3255 | return; | |
3256 | } | |
3257 | ||
3258 | mvmsta = iwl_mvm_sta_from_mac80211(sta); | |
3259 | ||
3260 | if (!mvmsta->vif || | |
3261 | mvmsta->vif->type != NL80211_IFTYPE_AP) { | |
3262 | rcu_read_unlock(); | |
3263 | return; | |
3264 | } | |
3265 | ||
3266 | if (mvmsta->sleeping != sleeping) { | |
3267 | mvmsta->sleeping = sleeping; | |
3268 | __iwl_mvm_mac_sta_notify(mvm->hw, | |
3269 | sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, | |
3270 | sta); | |
3271 | ieee80211_sta_ps_transition(sta, sleeping); | |
3272 | } | |
3273 | ||
3274 | if (sleeping) { | |
3275 | switch (notif->type) { | |
3276 | case IWL_MVM_PM_EVENT_AWAKE: | |
3277 | case IWL_MVM_PM_EVENT_ASLEEP: | |
3278 | break; | |
3279 | case IWL_MVM_PM_EVENT_UAPSD: | |
3280 | ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); | |
3281 | break; | |
3282 | case IWL_MVM_PM_EVENT_PS_POLL: | |
3283 | ieee80211_sta_pspoll(sta); | |
3284 | break; | |
3285 | default: | |
3286 | break; | |
3287 | } | |
3288 | } | |
3289 | ||
3290 | rcu_read_unlock(); | |
3291 | } | |
3292 | ||
cbce62a3 MK |
3293 | void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, |
3294 | struct ieee80211_vif *vif, | |
3295 | struct ieee80211_sta *sta) | |
1ddbbb0c JB |
3296 | { |
3297 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
9d8ce6af | 3298 | struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); |
79faae3a | 3299 | unsigned int link_id; |
1ddbbb0c JB |
3300 | |
3301 | /* | |
3302 | * This is called before mac80211 does RCU synchronisation, | |
3303 | * so here we already invalidate our internal RCU-protected | |
3304 | * station pointer. The rest of the code will thus no longer | |
3305 | * be able to find the station this way, and we don't rely | |
3306 | * on further RCU synchronisation after the sta_state() | |
3307 | * callback deleted the station. | |
79faae3a GG |
3308 | * Since there's mvm->mutex here, no need to have RCU lock for |
3309 | * mvm_sta->link access. | |
1ddbbb0c JB |
3310 | */ |
3311 | mutex_lock(&mvm->mutex); | |
79faae3a GG |
3312 | for (link_id = 0; link_id < ARRAY_SIZE(mvm_sta->link); link_id++) { |
3313 | struct iwl_mvm_link_sta *link_sta; | |
3314 | u32 sta_id; | |
94939080 | 3315 | |
79faae3a GG |
3316 | if (!mvm_sta->link[link_id]) |
3317 | continue; | |
3318 | ||
3319 | link_sta = rcu_dereference_protected(mvm_sta->link[link_id], | |
3320 | lockdep_is_held(&mvm->mutex)); | |
3321 | sta_id = link_sta->sta_id; | |
3322 | if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[sta_id])) | |
3323 | rcu_assign_pointer(mvm->fw_id_to_mac_id[sta_id], | |
3324 | ERR_PTR(-ENOENT)); | |
3325 | } | |
1ddbbb0c JB |
3326 | mutex_unlock(&mvm->mutex); |
3327 | } | |
3328 | ||
bd1ba664 JB |
3329 | static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, |
3330 | const u8 *bssid) | |
3331 | { | |
b0ffe455 JB |
3332 | int i; |
3333 | ||
3334 | if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { | |
3335 | struct iwl_mvm_tcm_mac *mdata; | |
3336 | ||
3337 | mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; | |
3338 | ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); | |
3339 | mdata->opened_rx_ba_sessions = false; | |
3340 | } | |
3341 | ||
bd1ba664 JB |
3342 | if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) |
3343 | return; | |
3344 | ||
c5241b0c | 3345 | if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { |
cee5a882 AA |
3346 | vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; |
3347 | return; | |
3348 | } | |
3349 | ||
11dee0b4 EG |
3350 | if (!vif->p2p && |
3351 | (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { | |
bd1ba664 JB |
3352 | vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; |
3353 | return; | |
3354 | } | |
3355 | ||
b0ffe455 JB |
3356 | for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { |
3357 | if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { | |
3358 | vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; | |
3359 | return; | |
3360 | } | |
3361 | } | |
3362 | ||
bd1ba664 JB |
3363 | vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; |
3364 | } | |
3365 | ||
1e8f1329 GBA |
3366 | static void |
3367 | iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, | |
3368 | struct ieee80211_vif *vif, u8 *peer_addr, | |
3369 | enum nl80211_tdls_operation action) | |
3370 | { | |
3371 | struct iwl_fw_dbg_trigger_tlv *trig; | |
3372 | struct iwl_fw_dbg_trigger_tdls *tdls_trig; | |
3373 | ||
6c042d75 SS |
3374 | trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), |
3375 | FW_DBG_TRIGGER_TDLS); | |
3376 | if (!trig) | |
1e8f1329 GBA |
3377 | return; |
3378 | ||
1e8f1329 | 3379 | tdls_trig = (void *)trig->data; |
1e8f1329 GBA |
3380 | |
3381 | if (!(tdls_trig->action_bitmap & BIT(action))) | |
3382 | return; | |
3383 | ||
3384 | if (tdls_trig->peer_mode && | |
3385 | memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) | |
3386 | return; | |
3387 | ||
7174beb6 JB |
3388 | iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, |
3389 | "TDLS event occurred, peer %pM, action %d", | |
3390 | peer_addr, action); | |
1e8f1329 GBA |
3391 | } |
3392 | ||
4f58121d IP |
3393 | struct iwl_mvm_he_obss_narrow_bw_ru_data { |
3394 | bool tolerated; | |
3395 | }; | |
3396 | ||
3397 | static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy, | |
3398 | struct cfg80211_bss *bss, | |
3399 | void *_data) | |
3400 | { | |
3401 | struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data; | |
6c608cd6 | 3402 | const struct cfg80211_bss_ies *ies; |
4f58121d IP |
3403 | const struct element *elem; |
3404 | ||
6c608cd6 JB |
3405 | rcu_read_lock(); |
3406 | ies = rcu_dereference(bss->ies); | |
3407 | elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, ies->data, | |
3408 | ies->len); | |
4f58121d IP |
3409 | |
3410 | if (!elem || elem->datalen < 10 || | |
3411 | !(elem->data[10] & | |
3412 | WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) { | |
3413 | data->tolerated = false; | |
3414 | } | |
6c608cd6 | 3415 | rcu_read_unlock(); |
4f58121d IP |
3416 | } |
3417 | ||
6e1b5956 JB |
3418 | static void |
3419 | iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw, | |
3420 | struct ieee80211_vif *vif, | |
3421 | unsigned int link_id, | |
3422 | struct ieee80211_bss_conf *link_conf) | |
4f58121d IP |
3423 | { |
3424 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
3425 | struct iwl_mvm_he_obss_narrow_bw_ru_data iter_data = { | |
3426 | .tolerated = true, | |
3427 | }; | |
3428 | ||
6e1b5956 JB |
3429 | if (WARN_ON_ONCE(!link_conf->chandef.chan || |
3430 | !mvmvif->link[link_id])) | |
3431 | return; | |
3432 | ||
3433 | if (!(link_conf->chandef.chan->flags & IEEE80211_CHAN_RADAR)) { | |
3434 | mvmvif->link[link_id]->he_ru_2mhz_block = false; | |
4f58121d IP |
3435 | return; |
3436 | } | |
3437 | ||
6e1b5956 | 3438 | cfg80211_bss_iter(hw->wiphy, &link_conf->chandef, |
4f58121d IP |
3439 | iwl_mvm_check_he_obss_narrow_bw_ru_iter, |
3440 | &iter_data); | |
3441 | ||
3442 | /* | |
3443 | * If there is at least one AP on radar channel that cannot | |
3444 | * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU. | |
3445 | */ | |
6e1b5956 | 3446 | mvmvif->link[link_id]->he_ru_2mhz_block = !iter_data.tolerated; |
4f58121d IP |
3447 | } |
3448 | ||
f7d6ef33 JB |
3449 | static void iwl_mvm_reset_cca_40mhz_workaround(struct iwl_mvm *mvm, |
3450 | struct ieee80211_vif *vif) | |
3451 | { | |
3452 | struct ieee80211_supported_band *sband; | |
3453 | const struct ieee80211_sta_he_cap *he_cap; | |
3454 | ||
3455 | if (vif->type != NL80211_IFTYPE_STATION) | |
3456 | return; | |
3457 | ||
3458 | if (!mvm->cca_40mhz_workaround) | |
3459 | return; | |
3460 | ||
3461 | /* decrement and check that we reached zero */ | |
3462 | mvm->cca_40mhz_workaround--; | |
3463 | if (mvm->cca_40mhz_workaround) | |
3464 | return; | |
3465 | ||
3466 | sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; | |
3467 | ||
3468 | sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
3469 | ||
3470 | he_cap = ieee80211_get_he_iftype_cap(sband, | |
3471 | ieee80211_vif_type_p2p(vif)); | |
3472 | ||
3473 | if (he_cap) { | |
3474 | /* we know that ours is writable */ | |
0301bcd5 | 3475 | struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; |
f7d6ef33 JB |
3476 | |
3477 | he->he_cap_elem.phy_cap_info[0] |= | |
3478 | IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; | |
3479 | } | |
3480 | } | |
3481 | ||
6d19a5eb EG |
3482 | static void iwl_mvm_mei_host_associated(struct iwl_mvm *mvm, |
3483 | struct ieee80211_vif *vif, | |
3484 | struct iwl_mvm_sta *mvm_sta) | |
3485 | { | |
3486 | #if IS_ENABLED(CONFIG_IWLMEI) | |
3487 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
3488 | struct iwl_mei_conn_info conn_info = { | |
f276e20b | 3489 | .ssid_len = vif->cfg.ssid_len, |
6d19a5eb EG |
3490 | }; |
3491 | ||
3492 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) | |
3493 | return; | |
3494 | ||
3495 | if (!mvm->mei_registered) | |
3496 | return; | |
3497 | ||
6c07b73e JB |
3498 | /* FIXME: MEI needs to be updated for MLO */ |
3499 | if (!vif->bss_conf.chandef.chan) | |
3500 | return; | |
3501 | ||
3502 | conn_info.channel = vif->bss_conf.chandef.chan->hw_value; | |
3503 | ||
6d19a5eb | 3504 | switch (mvm_sta->pairwise_cipher) { |
e5d3a64e AS |
3505 | case WLAN_CIPHER_SUITE_TKIP: |
3506 | conn_info.pairwise_cipher = IWL_MEI_CIPHER_TKIP; | |
3507 | break; | |
6d19a5eb EG |
3508 | case WLAN_CIPHER_SUITE_CCMP: |
3509 | conn_info.pairwise_cipher = IWL_MEI_CIPHER_CCMP; | |
3510 | break; | |
3511 | case WLAN_CIPHER_SUITE_GCMP: | |
3512 | conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP; | |
3513 | break; | |
3514 | case WLAN_CIPHER_SUITE_GCMP_256: | |
3515 | conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP_256; | |
3516 | break; | |
3517 | case 0: | |
3518 | /* open profile */ | |
3519 | break; | |
3520 | default: | |
3521 | /* cipher not supported, don't send anything to iwlmei */ | |
3522 | return; | |
3523 | } | |
3524 | ||
3525 | switch (mvmvif->rekey_data.akm) { | |
3526 | case WLAN_AKM_SUITE_SAE & 0xff: | |
3527 | conn_info.auth_mode = IWL_MEI_AKM_AUTH_SAE; | |
3528 | break; | |
3529 | case WLAN_AKM_SUITE_PSK & 0xff: | |
3530 | conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA_PSK; | |
3531 | break; | |
3532 | case WLAN_AKM_SUITE_8021X & 0xff: | |
3533 | conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA; | |
3534 | break; | |
3535 | case 0: | |
3536 | /* open profile */ | |
3537 | conn_info.auth_mode = IWL_MEI_AKM_AUTH_OPEN; | |
3538 | break; | |
3539 | default: | |
3540 | /* auth method / AKM not supported */ | |
3541 | /* TODO: All the FT vesions of these? */ | |
3542 | return; | |
3543 | } | |
3544 | ||
f276e20b | 3545 | memcpy(conn_info.ssid, vif->cfg.ssid, vif->cfg.ssid_len); |
6d19a5eb EG |
3546 | memcpy(conn_info.bssid, vif->bss_conf.bssid, ETH_ALEN); |
3547 | ||
3548 | /* TODO: add support for collocated AP data */ | |
3549 | iwl_mei_host_associated(&conn_info, NULL); | |
3550 | #endif | |
3551 | } | |
3552 | ||
87f7e243 MK |
3553 | static int iwl_mvm_mac_ctxt_changed_wrapper(struct iwl_mvm *mvm, |
3554 | struct ieee80211_vif *vif, | |
3555 | bool force_assoc_off) | |
3556 | { | |
3557 | return iwl_mvm_mac_ctxt_changed(mvm, vif, force_assoc_off, NULL); | |
3558 | } | |
3559 | ||
8ca151b5 JB |
3560 | static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, |
3561 | struct ieee80211_vif *vif, | |
3562 | struct ieee80211_sta *sta, | |
3563 | enum ieee80211_sta_state old_state, | |
3564 | enum ieee80211_sta_state new_state) | |
87f7e243 MK |
3565 | { |
3566 | struct iwl_mvm_sta_state_ops callbacks = { | |
3567 | .add_sta = iwl_mvm_add_sta, | |
3568 | .update_sta = iwl_mvm_update_sta, | |
3569 | .rm_sta = iwl_mvm_rm_sta, | |
3570 | .mac_ctxt_changed = iwl_mvm_mac_ctxt_changed_wrapper, | |
3571 | }; | |
3572 | ||
3573 | return iwl_mvm_mac_sta_state_common(hw, vif, sta, old_state, new_state, | |
3574 | &callbacks); | |
3575 | } | |
3576 | ||
57974a55 GG |
3577 | /* FIXME: temporary making two assumptions in all sta handling functions: |
3578 | * (1) when setting sta state, the link exists and protected | |
3579 | * (2) if a link is valid in sta then it's valid in vif (can | |
3580 | * use same index in the link array) | |
3581 | */ | |
f53be9c4 GG |
3582 | static void iwl_mvm_rs_rate_init_all_links(struct iwl_mvm *mvm, |
3583 | struct ieee80211_vif *vif, | |
3584 | struct ieee80211_sta *sta, | |
3585 | bool update) | |
3586 | { | |
3587 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
3588 | unsigned int link_id; | |
3589 | ||
3590 | for_each_mvm_vif_valid_link(mvmvif, link_id) { | |
3591 | struct ieee80211_bss_conf *conf = | |
3592 | rcu_dereference_protected(vif->link_conf[link_id], 1); | |
3593 | struct ieee80211_link_sta *link_sta = | |
3594 | rcu_dereference_protected(sta->link[link_id], 1); | |
3595 | ||
3596 | if (!conf || !link_sta || !mvmvif->link[link_id]->phy_ctxt) | |
3597 | continue; | |
57974a55 | 3598 | |
f53be9c4 GG |
3599 | iwl_mvm_rs_rate_init(mvm, sta, conf, link_sta, |
3600 | mvmvif->link[link_id]->phy_ctxt->channel->band, | |
3601 | update); | |
3602 | } | |
3603 | } | |
57974a55 GG |
3604 | |
3605 | #define IWL_MVM_MIN_BEACON_INTERVAL_TU 16 | |
3606 | ||
3607 | static bool iwl_mvm_vif_conf_from_sta(struct iwl_mvm *mvm, | |
3608 | struct ieee80211_vif *vif, | |
3609 | struct ieee80211_sta *sta) | |
3610 | { | |
3611 | unsigned int i; | |
3612 | ||
3613 | /* Beacon interval check - firmware will crash if the beacon | |
3614 | * interval is less than 16. We can't avoid connecting at all, | |
3615 | * so refuse the station state change, this will cause mac80211 | |
3616 | * to abandon attempts to connect to this AP, and eventually | |
3617 | * wpa_s will blocklist the AP... | |
3618 | */ | |
3619 | ||
3620 | for_each_set_bit(i, (unsigned long *)&sta->valid_links, | |
3621 | IEEE80211_MLD_MAX_NUM_LINKS) { | |
3622 | struct ieee80211_link_sta *link_sta = | |
3623 | rcu_dereference_protected(sta->link[i], 1); | |
3624 | struct ieee80211_bss_conf *link_conf = | |
3625 | rcu_dereference_protected(vif->link_conf[i], 1); | |
3626 | ||
3627 | if (!link_conf || !link_sta) | |
3628 | continue; | |
3629 | ||
3630 | if (link_conf->beacon_int < IWL_MVM_MIN_BEACON_INTERVAL_TU) { | |
3631 | IWL_ERR(mvm, | |
3632 | "Beacon interval %d for AP %pM is too small\n", | |
3633 | link_conf->beacon_int, link_sta->addr); | |
3634 | return false; | |
3635 | } | |
3636 | ||
3637 | link_conf->he_support = link_sta->he_cap.has_he; | |
3638 | } | |
3639 | ||
3640 | return true; | |
3641 | } | |
3642 | ||
3643 | static void iwl_mvm_vif_set_he_support(struct ieee80211_hw *hw, | |
3644 | struct ieee80211_vif *vif, | |
3645 | struct ieee80211_sta *sta, | |
3646 | bool is_sta) | |
3647 | { | |
3648 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
3649 | unsigned int i; | |
3650 | ||
3651 | for_each_set_bit(i, (unsigned long *)&sta->valid_links, | |
3652 | IEEE80211_MLD_MAX_NUM_LINKS) { | |
3653 | struct ieee80211_link_sta *link_sta = | |
3654 | rcu_dereference_protected(sta->link[i], 1); | |
3655 | struct ieee80211_bss_conf *link_conf = | |
3656 | rcu_dereference_protected(vif->link_conf[i], 1); | |
3657 | ||
3658 | if (!link_conf || !link_sta) | |
3659 | continue; | |
3660 | ||
3661 | link_conf->he_support = link_sta->he_cap.has_he; | |
3662 | ||
3663 | if (is_sta) { | |
3664 | mvmvif->link[i]->he_ru_2mhz_block = false; | |
3665 | if (link_sta->he_cap.has_he) | |
6e1b5956 JB |
3666 | iwl_mvm_check_he_obss_narrow_bw_ru(hw, vif, i, |
3667 | link_conf); | |
57974a55 GG |
3668 | } |
3669 | } | |
3670 | } | |
3671 | ||
3672 | static int | |
3673 | iwl_mvm_sta_state_notexist_to_none(struct iwl_mvm *mvm, | |
3674 | struct ieee80211_vif *vif, | |
3675 | struct ieee80211_sta *sta, | |
3676 | struct iwl_mvm_sta_state_ops *callbacks) | |
3677 | { | |
3678 | unsigned int i; | |
3679 | int ret; | |
3680 | ||
3681 | lockdep_assert_held(&mvm->mutex); | |
3682 | ||
3683 | if (vif->type == NL80211_IFTYPE_STATION && | |
3684 | !iwl_mvm_vif_conf_from_sta(mvm, vif, sta)) | |
3685 | return -EINVAL; | |
3686 | ||
3687 | if (sta->tdls && | |
3688 | (vif->p2p || | |
3689 | iwl_mvm_tdls_sta_count(mvm, NULL) == IWL_MVM_TDLS_STA_COUNT || | |
3690 | iwl_mvm_phy_ctx_count(mvm) > 1)) { | |
3691 | IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); | |
3692 | return -EBUSY; | |
3693 | } | |
3694 | ||
3695 | ret = callbacks->add_sta(mvm, vif, sta); | |
3696 | if (sta->tdls && ret == 0) { | |
3697 | iwl_mvm_recalc_tdls_state(mvm, vif, true); | |
3698 | iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, | |
3699 | NL80211_TDLS_SETUP); | |
3700 | } | |
3701 | ||
3702 | for (i = 0; i < ARRAY_SIZE(sta->link); i++) { | |
3703 | struct ieee80211_link_sta *link_sta; | |
3704 | ||
3705 | link_sta = link_sta_dereference_protected(sta, i); | |
3706 | if (!link_sta) | |
3707 | continue; | |
3708 | ||
3709 | link_sta->agg.max_rc_amsdu_len = 1; | |
3710 | } | |
3711 | ieee80211_sta_recalc_aggregates(sta); | |
3712 | ||
3713 | return 0; | |
3714 | } | |
3715 | ||
3716 | static int | |
3717 | iwl_mvm_sta_state_auth_to_assoc(struct ieee80211_hw *hw, | |
3718 | struct iwl_mvm *mvm, | |
3719 | struct ieee80211_vif *vif, | |
3720 | struct ieee80211_sta *sta, | |
3721 | struct iwl_mvm_sta_state_ops *callbacks) | |
3722 | { | |
3723 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
3724 | struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); | |
3725 | unsigned int i; | |
3726 | ||
3727 | lockdep_assert_held(&mvm->mutex); | |
3728 | ||
3729 | if (vif->type == NL80211_IFTYPE_AP) { | |
3730 | iwl_mvm_vif_set_he_support(hw, vif, sta, false); | |
3731 | mvmvif->ap_assoc_sta_count++; | |
3732 | callbacks->mac_ctxt_changed(mvm, vif, false); | |
3733 | ||
3734 | /* since the below is not for MLD API, it's ok to use | |
3735 | * the default bss_conf | |
3736 | */ | |
3737 | if (!mvm->mld_api_is_used && | |
3738 | ((vif->bss_conf.he_support && | |
3739 | !iwlwifi_mod_params.disable_11ax) || | |
3740 | (vif->bss_conf.eht_support && | |
3741 | !iwlwifi_mod_params.disable_11be))) | |
3742 | iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->deflink.sta_id); | |
3743 | } else if (vif->type == NL80211_IFTYPE_STATION) { | |
3744 | iwl_mvm_vif_set_he_support(hw, vif, sta, true); | |
3745 | ||
3746 | callbacks->mac_ctxt_changed(mvm, vif, false); | |
3747 | ||
3748 | if (!mvm->mld_api_is_used) | |
3749 | goto out; | |
3750 | ||
3751 | for_each_set_bit(i, (unsigned long *)&sta->valid_links, | |
3752 | IEEE80211_MLD_MAX_NUM_LINKS) { | |
3753 | struct ieee80211_bss_conf *link_conf = | |
3754 | rcu_dereference_protected(vif->link_conf[i], 1); | |
3755 | ||
3756 | if (WARN_ON(!link_conf)) | |
3757 | return -EINVAL; | |
3758 | ||
3759 | iwl_mvm_link_changed(mvm, vif, link_conf, | |
3760 | LINK_CONTEXT_MODIFY_ALL & | |
3761 | ~LINK_CONTEXT_MODIFY_ACTIVE, | |
3762 | true); | |
3763 | } | |
3764 | } | |
3765 | ||
3766 | out: | |
f53be9c4 | 3767 | iwl_mvm_rs_rate_init_all_links(mvm, vif, sta, false); |
57974a55 GG |
3768 | |
3769 | return callbacks->update_sta(mvm, vif, sta); | |
3770 | } | |
3771 | ||
3772 | static int | |
3773 | iwl_mvm_sta_state_assoc_to_authorized(struct iwl_mvm *mvm, | |
3774 | struct ieee80211_vif *vif, | |
3775 | struct ieee80211_sta *sta, | |
3776 | struct iwl_mvm_sta_state_ops *callbacks) | |
3777 | { | |
3778 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
3779 | struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); | |
3780 | ||
3781 | lockdep_assert_held(&mvm->mutex); | |
3782 | ||
3783 | /* we don't support TDLS during DCM */ | |
3784 | if (iwl_mvm_phy_ctx_count(mvm) > 1) | |
3785 | iwl_mvm_teardown_tdls_peers(mvm); | |
3786 | ||
3787 | if (sta->tdls) { | |
3788 | iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, | |
3789 | NL80211_TDLS_ENABLE_LINK); | |
3790 | } else { | |
3791 | /* enable beacon filtering */ | |
3792 | WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); | |
3793 | ||
3794 | mvmvif->authorized = 1; | |
3795 | ||
3796 | callbacks->mac_ctxt_changed(mvm, vif, false); | |
3797 | iwl_mvm_mei_host_associated(mvm, vif, mvm_sta); | |
3798 | } | |
3799 | ||
f53be9c4 | 3800 | iwl_mvm_rs_rate_init_all_links(mvm, vif, sta, true); |
57974a55 GG |
3801 | |
3802 | return 0; | |
3803 | } | |
3804 | ||
3805 | static int | |
3806 | iwl_mvm_sta_state_authorized_to_assoc(struct iwl_mvm *mvm, | |
3807 | struct ieee80211_vif *vif, | |
3808 | struct ieee80211_sta *sta, | |
3809 | struct iwl_mvm_sta_state_ops *callbacks) | |
3810 | { | |
3811 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
3812 | int ret; | |
3813 | ||
3814 | lockdep_assert_held(&mvm->mutex); | |
3815 | ||
3816 | /* once we move into assoc state, need to update rate scale to | |
3817 | * disable using wide bandwidth | |
3818 | */ | |
f53be9c4 | 3819 | iwl_mvm_rs_rate_init_all_links(mvm, vif, sta, false); |
57974a55 GG |
3820 | |
3821 | if (!sta->tdls) { | |
3822 | /* Set this but don't call iwl_mvm_mac_ctxt_changed() | |
3823 | * yet to avoid sending high prio again for a little | |
3824 | * time. | |
3825 | */ | |
3826 | mvmvif->authorized = 0; | |
3827 | ||
3828 | /* disable beacon filtering */ | |
3829 | ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); | |
3830 | WARN_ON(ret && | |
3831 | !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, | |
3832 | &mvm->status)); | |
3833 | } | |
3834 | ||
3835 | return 0; | |
3836 | } | |
3837 | ||
87f7e243 MK |
3838 | /* Common part for MLD and non-MLD modes */ |
3839 | int iwl_mvm_mac_sta_state_common(struct ieee80211_hw *hw, | |
3840 | struct ieee80211_vif *vif, | |
3841 | struct ieee80211_sta *sta, | |
3842 | enum ieee80211_sta_state old_state, | |
3843 | enum ieee80211_sta_state new_state, | |
3844 | struct iwl_mvm_sta_state_ops *callbacks) | |
8ca151b5 JB |
3845 | { |
3846 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
3847 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
6ea29ce5 | 3848 | struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); |
57974a55 | 3849 | unsigned int link_id; |
8ca151b5 JB |
3850 | int ret; |
3851 | ||
3852 | IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", | |
3853 | sta->addr, old_state, new_state); | |
3854 | ||
24afba76 LK |
3855 | /* |
3856 | * If we are in a STA removal flow and in DQA mode: | |
3857 | * | |
3858 | * This is after the sync_rcu part, so the queues have already been | |
3859 | * flushed. No more TXs on their way in mac80211's path, and no more in | |
3860 | * the queues. | |
3861 | * Also, we won't be getting any new TX frames for this station. | |
3862 | * What we might have are deferred TX frames that need to be taken care | |
3863 | * of. | |
3864 | * | |
3865 | * Drop any still-queued deferred-frame before removing the STA, and | |
3866 | * make sure the worker is no longer handling frames for this STA. | |
3867 | */ | |
3868 | if (old_state == IEEE80211_STA_NONE && | |
c8f54701 | 3869 | new_state == IEEE80211_STA_NOTEXIST) { |
24afba76 LK |
3870 | flush_work(&mvm->add_stream_wk); |
3871 | ||
3872 | /* | |
3873 | * No need to make sure deferred TX indication is off since the | |
3874 | * worker will already remove it if it was on | |
3875 | */ | |
f7d6ef33 JB |
3876 | |
3877 | /* | |
3878 | * Additionally, reset the 40 MHz capability if we disconnected | |
3879 | * from the AP now. | |
3880 | */ | |
3881 | iwl_mvm_reset_cca_40mhz_workaround(mvm, vif); | |
24afba76 LK |
3882 | } |
3883 | ||
8ca151b5 | 3884 | mutex_lock(&mvm->mutex); |
57974a55 GG |
3885 | |
3886 | /* this would be a mac80211 bug ... but don't crash */ | |
3887 | for_each_mvm_vif_valid_link(mvmvif, link_id) { | |
3888 | if (WARN_ON_ONCE(!mvmvif->link[link_id]->phy_ctxt)) { | |
3889 | mutex_unlock(&mvm->mutex); | |
3890 | return test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, | |
3891 | &mvm->status) ? 0 : -EINVAL; | |
3892 | } | |
3893 | } | |
3894 | ||
6ea29ce5 | 3895 | /* track whether or not the station is associated */ |
d94c5a82 | 3896 | mvm_sta->sta_state = new_state; |
6ea29ce5 | 3897 | |
8ca151b5 JB |
3898 | if (old_state == IEEE80211_STA_NOTEXIST && |
3899 | new_state == IEEE80211_STA_NONE) { | |
57974a55 GG |
3900 | ret = iwl_mvm_sta_state_notexist_to_none(mvm, vif, sta, |
3901 | callbacks); | |
3902 | if (ret < 0) | |
48bc1307 | 3903 | goto out_unlock; |
8ca151b5 JB |
3904 | } else if (old_state == IEEE80211_STA_NONE && |
3905 | new_state == IEEE80211_STA_AUTH) { | |
e820c2da HD |
3906 | /* |
3907 | * EBS may be disabled due to previous failures reported by FW. | |
3908 | * Reset EBS status here assuming environment has been changed. | |
3909 | */ | |
3910 | mvm->last_ebs_successful = true; | |
bd1ba664 | 3911 | iwl_mvm_check_uapsd(mvm, vif, sta->addr); |
8ca151b5 JB |
3912 | ret = 0; |
3913 | } else if (old_state == IEEE80211_STA_AUTH && | |
3914 | new_state == IEEE80211_STA_ASSOC) { | |
57974a55 GG |
3915 | ret = iwl_mvm_sta_state_auth_to_assoc(hw, mvm, vif, sta, |
3916 | callbacks); | |
8ca151b5 JB |
3917 | } else if (old_state == IEEE80211_STA_ASSOC && |
3918 | new_state == IEEE80211_STA_AUTHORIZED) { | |
57974a55 GG |
3919 | ret = iwl_mvm_sta_state_assoc_to_authorized(mvm, vif, sta, |
3920 | callbacks); | |
8ca151b5 JB |
3921 | } else if (old_state == IEEE80211_STA_AUTHORIZED && |
3922 | new_state == IEEE80211_STA_ASSOC) { | |
57974a55 GG |
3923 | ret = iwl_mvm_sta_state_authorized_to_assoc(mvm, vif, sta, |
3924 | callbacks); | |
8ca151b5 JB |
3925 | } else if (old_state == IEEE80211_STA_ASSOC && |
3926 | new_state == IEEE80211_STA_AUTH) { | |
8be30c13 AB |
3927 | if (vif->type == NL80211_IFTYPE_AP) { |
3928 | mvmvif->ap_assoc_sta_count--; | |
87f7e243 | 3929 | callbacks->mac_ctxt_changed(mvm, vif, false); |
d5d8ee52 | 3930 | } else if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) |
cf7a7457 | 3931 | iwl_mvm_stop_session_protection(mvm, vif); |
8ca151b5 JB |
3932 | ret = 0; |
3933 | } else if (old_state == IEEE80211_STA_AUTH && | |
3934 | new_state == IEEE80211_STA_NONE) { | |
3935 | ret = 0; | |
3936 | } else if (old_state == IEEE80211_STA_NONE && | |
3937 | new_state == IEEE80211_STA_NOTEXIST) { | |
d5d8ee52 EG |
3938 | if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) |
3939 | iwl_mvm_stop_session_protection(mvm, vif); | |
87f7e243 | 3940 | ret = callbacks->rm_sta(mvm, vif, sta); |
1e8f1329 | 3941 | if (sta->tdls) { |
fa3d07e4 | 3942 | iwl_mvm_recalc_tdls_state(mvm, vif, false); |
1e8f1329 GBA |
3943 | iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, |
3944 | NL80211_TDLS_DISABLE_LINK); | |
3945 | } | |
34a880d8 | 3946 | |
44135b7c IP |
3947 | if (unlikely(ret && |
3948 | test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, | |
3949 | &mvm->status))) | |
3950 | ret = 0; | |
8ca151b5 JB |
3951 | } else { |
3952 | ret = -EIO; | |
3953 | } | |
48bc1307 | 3954 | out_unlock: |
8ca151b5 JB |
3955 | mutex_unlock(&mvm->mutex); |
3956 | ||
9c126cd6 LK |
3957 | if (sta->tdls && ret == 0) { |
3958 | if (old_state == IEEE80211_STA_NOTEXIST && | |
3959 | new_state == IEEE80211_STA_NONE) | |
3960 | ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); | |
3961 | else if (old_state == IEEE80211_STA_NONE && | |
3962 | new_state == IEEE80211_STA_NOTEXIST) | |
3963 | ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); | |
3964 | } | |
3965 | ||
8ca151b5 JB |
3966 | return ret; |
3967 | } | |
3968 | ||
cbce62a3 | 3969 | int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
8ca151b5 JB |
3970 | { |
3971 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
3972 | ||
3973 | mvm->rts_threshold = value; | |
3974 | ||
3975 | return 0; | |
3976 | } | |
3977 | ||
cbce62a3 MK |
3978 | void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
3979 | struct ieee80211_sta *sta, u32 changed) | |
1f3b0ff8 LE |
3980 | { |
3981 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
dcfe3b10 JB |
3982 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
3983 | ||
3984 | if (changed & (IEEE80211_RC_BW_CHANGED | | |
3985 | IEEE80211_RC_SUPP_RATES_CHANGED | | |
3986 | IEEE80211_RC_NSS_CHANGED)) | |
650cadb7 | 3987 | iwl_mvm_rs_rate_init(mvm, sta, |
f53be9c4 | 3988 | &vif->bss_conf, &sta->deflink, |
650cadb7 | 3989 | mvmvif->deflink.phy_ctxt->channel->band, |
dcfe3b10 | 3990 | true); |
1f3b0ff8 LE |
3991 | |
3992 | if (vif->type == NL80211_IFTYPE_STATION && | |
3993 | changed & IEEE80211_RC_NSS_CHANGED) | |
3994 | iwl_mvm_sf_update(mvm, vif, false); | |
3995 | } | |
3996 | ||
8ca151b5 | 3997 | static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, |
b3e2130b JB |
3998 | struct ieee80211_vif *vif, |
3999 | unsigned int link_id, u16 ac, | |
8ca151b5 JB |
4000 | const struct ieee80211_tx_queue_params *params) |
4001 | { | |
4002 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
4003 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
4004 | ||
650cadb7 | 4005 | mvmvif->deflink.queue_params[ac] = *params; |
8ca151b5 JB |
4006 | |
4007 | /* | |
4008 | * No need to update right away, we'll get BSS_CHANGED_QOS | |
4009 | * The exception is P2P_DEVICE interface which needs immediate update. | |
4010 | */ | |
4011 | if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { | |
4012 | int ret; | |
4013 | ||
4014 | mutex_lock(&mvm->mutex); | |
3dfd3a97 | 4015 | ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); |
8ca151b5 JB |
4016 | mutex_unlock(&mvm->mutex); |
4017 | return ret; | |
4018 | } | |
4019 | return 0; | |
4020 | } | |
4021 | ||
cbce62a3 MK |
4022 | void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, |
4023 | struct ieee80211_vif *vif, | |
4024 | struct ieee80211_prep_tx_info *info) | |
8ca151b5 JB |
4025 | { |
4026 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
d4e36e55 | 4027 | |
8ca151b5 | 4028 | mutex_lock(&mvm->mutex); |
af84ac57 | 4029 | iwl_mvm_protect_assoc(mvm, vif, info->duration); |
8ca151b5 JB |
4030 | mutex_unlock(&mvm->mutex); |
4031 | } | |
4032 | ||
cbce62a3 MK |
4033 | void iwl_mvm_mac_mgd_complete_tx(struct ieee80211_hw *hw, |
4034 | struct ieee80211_vif *vif, | |
4035 | struct ieee80211_prep_tx_info *info) | |
6b1259d1 JB |
4036 | { |
4037 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
4038 | ||
4039 | /* for successful cases (auth/assoc), don't cancel session protection */ | |
4040 | if (info->success) | |
4041 | return; | |
4042 | ||
4043 | mutex_lock(&mvm->mutex); | |
4044 | iwl_mvm_stop_session_protection(mvm, vif); | |
4045 | mutex_unlock(&mvm->mutex); | |
4046 | } | |
4047 | ||
cbce62a3 MK |
4048 | int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, |
4049 | struct ieee80211_vif *vif, | |
4050 | struct cfg80211_sched_scan_request *req, | |
4051 | struct ieee80211_scan_ies *ies) | |
35a000b7 DS |
4052 | { |
4053 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
35a000b7 | 4054 | |
35a000b7 | 4055 | int ret; |
4660dfbb | 4056 | |
35a000b7 DS |
4057 | mutex_lock(&mvm->mutex); |
4058 | ||
f276e20b | 4059 | if (!vif->cfg.idle) { |
bd5e4744 DS |
4060 | ret = -EBUSY; |
4061 | goto out; | |
4062 | } | |
4063 | ||
19945dfb | 4064 | ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); |
d2496221 | 4065 | |
35a000b7 DS |
4066 | out: |
4067 | mutex_unlock(&mvm->mutex); | |
4068 | return ret; | |
4069 | } | |
4070 | ||
cbce62a3 MK |
4071 | int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, |
4072 | struct ieee80211_vif *vif) | |
35a000b7 DS |
4073 | { |
4074 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
33ea27f6 | 4075 | int ret; |
35a000b7 DS |
4076 | |
4077 | mutex_lock(&mvm->mutex); | |
e7d3abab LC |
4078 | |
4079 | /* Due to a race condition, it's possible that mac80211 asks | |
4080 | * us to stop a sched_scan when it's already stopped. This | |
4081 | * can happen, for instance, if we stopped the scan ourselves, | |
4082 | * called ieee80211_sched_scan_stopped() and the userspace called | |
4083 | * stop sched scan scan before ieee80211_sched_scan_stopped_work() | |
4084 | * could run. To handle this, simply return if the scan is | |
4085 | * not running. | |
4086 | */ | |
262888fc | 4087 | if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { |
e7d3abab LC |
4088 | mutex_unlock(&mvm->mutex); |
4089 | return 0; | |
4090 | } | |
4091 | ||
c7d42480 | 4092 | ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); |
35a000b7 | 4093 | mutex_unlock(&mvm->mutex); |
33ea27f6 | 4094 | iwl_mvm_wait_for_async_handlers(mvm); |
37e3308c | 4095 | |
33ea27f6 | 4096 | return ret; |
35a000b7 DS |
4097 | } |
4098 | ||
6569e7d3 JB |
4099 | static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, |
4100 | enum set_key_cmd cmd, | |
4101 | struct ieee80211_vif *vif, | |
4102 | struct ieee80211_sta *sta, | |
4103 | struct ieee80211_key_conf *key) | |
8ca151b5 | 4104 | { |
c56e00a3 | 4105 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
8ca151b5 | 4106 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
46c7b05a | 4107 | struct iwl_mvm_sta *mvmsta = NULL; |
f5e28eac JB |
4108 | struct iwl_mvm_key_pn *ptk_pn; |
4109 | int keyidx = key->keyidx; | |
5c75a208 JB |
4110 | u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); |
4111 | u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); | |
c56e00a3 | 4112 | int ret, i; |
d6ee54a9 | 4113 | u8 key_offset; |
8ca151b5 | 4114 | |
46c7b05a EG |
4115 | if (sta) |
4116 | mvmsta = iwl_mvm_sta_from_mac80211(sta); | |
6d19a5eb | 4117 | |
8ca151b5 JB |
4118 | switch (key->cipher) { |
4119 | case WLAN_CIPHER_SUITE_TKIP: | |
286ca8eb | 4120 | if (!mvm->trans->trans_cfg->gen2) { |
7f768ad5 DS |
4121 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; |
4122 | key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; | |
4123 | } else if (vif->type == NL80211_IFTYPE_STATION) { | |
4124 | key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; | |
4125 | } else { | |
4126 | IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); | |
4127 | return -EOPNOTSUPP; | |
4128 | } | |
8ca151b5 | 4129 | break; |
ca8c0f4b | 4130 | case WLAN_CIPHER_SUITE_CCMP: |
2a53d166 AB |
4131 | case WLAN_CIPHER_SUITE_GCMP: |
4132 | case WLAN_CIPHER_SUITE_GCMP_256: | |
85aeb58c DS |
4133 | if (!iwl_mvm_has_new_tx_api(mvm)) |
4134 | key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; | |
ca8c0f4b | 4135 | break; |
8ca151b5 | 4136 | case WLAN_CIPHER_SUITE_AES_CMAC: |
8e160ab8 AB |
4137 | case WLAN_CIPHER_SUITE_BIP_GMAC_128: |
4138 | case WLAN_CIPHER_SUITE_BIP_GMAC_256: | |
30686bf7 | 4139 | WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); |
8ca151b5 JB |
4140 | break; |
4141 | case WLAN_CIPHER_SUITE_WEP40: | |
4142 | case WLAN_CIPHER_SUITE_WEP104: | |
475c6bde JB |
4143 | if (vif->type == NL80211_IFTYPE_STATION) |
4144 | break; | |
4145 | if (iwl_mvm_has_new_tx_api(mvm)) | |
4146 | return -EOPNOTSUPP; | |
4147 | /* support HW crypto on TX */ | |
4148 | return 0; | |
8ca151b5 | 4149 | default: |
8b3d2c48 | 4150 | return -EOPNOTSUPP; |
8ca151b5 JB |
4151 | } |
4152 | ||
8ca151b5 JB |
4153 | switch (cmd) { |
4154 | case SET_KEY: | |
a5de7de7 JB |
4155 | if (vif->type == NL80211_IFTYPE_STATION && |
4156 | (keyidx == 6 || keyidx == 7)) | |
b1fdc250 JB |
4157 | rcu_assign_pointer(mvmvif->bcn_prot.keys[keyidx - 6], |
4158 | key); | |
4159 | ||
5023d966 JB |
4160 | if ((vif->type == NL80211_IFTYPE_ADHOC || |
4161 | vif->type == NL80211_IFTYPE_AP) && !sta) { | |
4162 | /* | |
4163 | * GTK on AP interface is a TX-only key, return 0; | |
4164 | * on IBSS they're per-station and because we're lazy | |
4165 | * we don't support them for RX, so do the same. | |
8e160ab8 | 4166 | * CMAC/GMAC in AP/IBSS modes must be done in software. |
a5de7de7 JB |
4167 | * |
4168 | * Except, of course, beacon protection - it must be | |
4169 | * offloaded since we just set a beacon template. | |
5023d966 | 4170 | */ |
a5de7de7 JB |
4171 | if (keyidx < 6 && |
4172 | (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || | |
4173 | key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || | |
4174 | key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256)) { | |
81279c49 | 4175 | ret = -EOPNOTSUPP; |
a1c2ff30 AO |
4176 | break; |
4177 | } | |
85aeb58c DS |
4178 | |
4179 | if (key->cipher != WLAN_CIPHER_SUITE_GCMP && | |
4180 | key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && | |
4181 | !iwl_mvm_has_new_tx_api(mvm)) { | |
4182 | key->hw_key_idx = STA_KEY_IDX_INVALID; | |
a1c2ff30 | 4183 | ret = 0; |
85aeb58c DS |
4184 | break; |
4185 | } | |
c56e00a3 JB |
4186 | |
4187 | if (!mvmvif->ap_ibss_active) { | |
4188 | for (i = 0; | |
4189 | i < ARRAY_SIZE(mvmvif->ap_early_keys); | |
4190 | i++) { | |
4191 | if (!mvmvif->ap_early_keys[i]) { | |
4192 | mvmvif->ap_early_keys[i] = key; | |
4193 | break; | |
4194 | } | |
4195 | } | |
4196 | ||
4197 | if (i >= ARRAY_SIZE(mvmvif->ap_early_keys)) | |
4198 | ret = -ENOSPC; | |
a1c2ff30 AO |
4199 | else |
4200 | ret = 0; | |
c56e00a3 JB |
4201 | |
4202 | break; | |
4203 | } | |
6caffd4f JB |
4204 | } |
4205 | ||
b546dcd6 JB |
4206 | /* During FW restart, in order to restore the state as it was, |
4207 | * don't try to reprogram keys we previously failed for. | |
4208 | */ | |
4209 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && | |
4210 | key->hw_key_idx == STA_KEY_IDX_INVALID) { | |
4211 | IWL_DEBUG_MAC80211(mvm, | |
4212 | "skip invalid idx key programming during restart\n"); | |
4213 | ret = 0; | |
4214 | break; | |
4215 | } | |
4216 | ||
f5e28eac | 4217 | if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && |
46c7b05a | 4218 | mvmsta && iwl_mvm_has_new_rx_api(mvm) && |
f5e28eac JB |
4219 | key->flags & IEEE80211_KEY_FLAG_PAIRWISE && |
4220 | (key->cipher == WLAN_CIPHER_SUITE_CCMP || | |
2a53d166 AB |
4221 | key->cipher == WLAN_CIPHER_SUITE_GCMP || |
4222 | key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { | |
f5e28eac JB |
4223 | struct ieee80211_key_seq seq; |
4224 | int tid, q; | |
4225 | ||
f5e28eac | 4226 | WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); |
acafe7e3 KC |
4227 | ptk_pn = kzalloc(struct_size(ptk_pn, q, |
4228 | mvm->trans->num_rx_queues), | |
f5e28eac JB |
4229 | GFP_KERNEL); |
4230 | if (!ptk_pn) { | |
4231 | ret = -ENOMEM; | |
4232 | break; | |
4233 | } | |
4234 | ||
4235 | for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { | |
4236 | ieee80211_get_key_rx_seq(key, tid, &seq); | |
4237 | for (q = 0; q < mvm->trans->num_rx_queues; q++) | |
4238 | memcpy(ptk_pn->q[q].pn[tid], | |
4239 | seq.ccmp.pn, | |
4240 | IEEE80211_CCMP_PN_LEN); | |
4241 | } | |
4242 | ||
4243 | rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); | |
4244 | } | |
4245 | ||
d6ee54a9 LC |
4246 | /* in HW restart reuse the index, otherwise request a new one */ |
4247 | if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) | |
4248 | key_offset = key->hw_key_idx; | |
4249 | else | |
4250 | key_offset = STA_KEY_IDX_INVALID; | |
4251 | ||
46c7b05a | 4252 | if (mvmsta && key->flags & IEEE80211_KEY_FLAG_PAIRWISE) |
6d19a5eb EG |
4253 | mvmsta->pairwise_cipher = key->cipher; |
4254 | ||
a5de7de7 JB |
4255 | IWL_DEBUG_MAC80211(mvm, "set hwcrypto key (sta:%pM, id:%d)\n", |
4256 | sta ? sta->addr : NULL, key->keyidx); | |
5c75a208 JB |
4257 | |
4258 | if (sec_key_ver) | |
4259 | ret = iwl_mvm_sec_key_add(mvm, vif, sta, key); | |
4260 | else | |
4261 | ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); | |
4262 | ||
8ca151b5 JB |
4263 | if (ret) { |
4264 | IWL_WARN(mvm, "set key failed\n"); | |
475c6bde | 4265 | key->hw_key_idx = STA_KEY_IDX_INVALID; |
8ca151b5 JB |
4266 | /* |
4267 | * can't add key for RX, but we don't need it | |
475c6bde JB |
4268 | * in the device for TX so still return 0, |
4269 | * unless we have new TX API where we cannot | |
4270 | * put key material into the TX_CMD | |
8ca151b5 | 4271 | */ |
475c6bde JB |
4272 | if (iwl_mvm_has_new_tx_api(mvm)) |
4273 | ret = -EOPNOTSUPP; | |
4274 | else | |
4275 | ret = 0; | |
8ca151b5 JB |
4276 | } |
4277 | ||
4278 | break; | |
4279 | case DISABLE_KEY: | |
a5de7de7 JB |
4280 | if (vif->type == NL80211_IFTYPE_STATION && |
4281 | (keyidx == 6 || keyidx == 7)) | |
b1fdc250 JB |
4282 | RCU_INIT_POINTER(mvmvif->bcn_prot.keys[keyidx - 6], |
4283 | NULL); | |
4284 | ||
c56e00a3 JB |
4285 | ret = -ENOENT; |
4286 | for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { | |
4287 | if (mvmvif->ap_early_keys[i] == key) { | |
4288 | mvmvif->ap_early_keys[i] = NULL; | |
4289 | ret = 0; | |
4290 | } | |
4291 | } | |
4292 | ||
4293 | /* found in pending list - don't do anything else */ | |
4294 | if (ret == 0) | |
4295 | break; | |
4296 | ||
6caffd4f JB |
4297 | if (key->hw_key_idx == STA_KEY_IDX_INVALID) { |
4298 | ret = 0; | |
4299 | break; | |
4300 | } | |
4301 | ||
46c7b05a | 4302 | if (mvmsta && iwl_mvm_has_new_rx_api(mvm) && |
f5e28eac JB |
4303 | key->flags & IEEE80211_KEY_FLAG_PAIRWISE && |
4304 | (key->cipher == WLAN_CIPHER_SUITE_CCMP || | |
2a53d166 AB |
4305 | key->cipher == WLAN_CIPHER_SUITE_GCMP || |
4306 | key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { | |
f5e28eac JB |
4307 | ptk_pn = rcu_dereference_protected( |
4308 | mvmsta->ptk_pn[keyidx], | |
4309 | lockdep_is_held(&mvm->mutex)); | |
4310 | RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); | |
4311 | if (ptk_pn) | |
4312 | kfree_rcu(ptk_pn, rcu_head); | |
4313 | } | |
4314 | ||
8ca151b5 | 4315 | IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); |
5c75a208 JB |
4316 | if (sec_key_ver) |
4317 | ret = iwl_mvm_sec_key_del(mvm, vif, sta, key); | |
4318 | else | |
4319 | ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); | |
8ca151b5 JB |
4320 | break; |
4321 | default: | |
4322 | ret = -EINVAL; | |
4323 | } | |
4324 | ||
6569e7d3 JB |
4325 | return ret; |
4326 | } | |
4327 | ||
cbce62a3 MK |
4328 | int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
4329 | struct ieee80211_vif *vif, struct ieee80211_sta *sta, | |
4330 | struct ieee80211_key_conf *key) | |
6569e7d3 JB |
4331 | { |
4332 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
4333 | int ret; | |
4334 | ||
4335 | mutex_lock(&mvm->mutex); | |
4336 | ret = __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key); | |
8ca151b5 | 4337 | mutex_unlock(&mvm->mutex); |
6569e7d3 | 4338 | |
8ca151b5 JB |
4339 | return ret; |
4340 | } | |
4341 | ||
cbce62a3 MK |
4342 | void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, |
4343 | struct ieee80211_vif *vif, | |
4344 | struct ieee80211_key_conf *keyconf, | |
4345 | struct ieee80211_sta *sta, | |
4346 | u32 iv32, u16 *phase1key) | |
8ca151b5 JB |
4347 | { |
4348 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
4349 | ||
5023d966 JB |
4350 | if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) |
4351 | return; | |
4352 | ||
8ca151b5 JB |
4353 | iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); |
4354 | } | |
4355 | ||
4356 | ||
b112889c AM |
4357 | static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, |
4358 | struct iwl_rx_packet *pkt, void *data) | |
4359 | { | |
4360 | struct iwl_mvm *mvm = | |
4361 | container_of(notif_wait, struct iwl_mvm, notif_wait); | |
4362 | struct iwl_hs20_roc_res *resp; | |
4363 | int resp_len = iwl_rx_packet_payload_len(pkt); | |
4364 | struct iwl_mvm_time_event_data *te_data = data; | |
4365 | ||
4366 | if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) | |
4367 | return true; | |
4368 | ||
4369 | if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { | |
4370 | IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); | |
4371 | return true; | |
4372 | } | |
4373 | ||
4374 | resp = (void *)pkt->data; | |
4375 | ||
4376 | IWL_DEBUG_TE(mvm, | |
b71a9c35 | 4377 | "Aux ROC: Received response from ucode: status=%d uid=%d\n", |
b112889c AM |
4378 | resp->status, resp->event_unique_id); |
4379 | ||
4380 | te_data->uid = le32_to_cpu(resp->event_unique_id); | |
4381 | IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", | |
4382 | te_data->uid); | |
4383 | ||
4384 | spin_lock_bh(&mvm->time_event_lock); | |
4385 | list_add_tail(&te_data->list, &mvm->aux_roc_te_list); | |
4386 | spin_unlock_bh(&mvm->time_event_lock); | |
4387 | ||
4388 | return true; | |
4389 | } | |
4390 | ||
dc28e12f MG |
4391 | #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100) |
4392 | #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200) | |
4393 | #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600) | |
4394 | #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20) | |
4395 | #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10) | |
b112889c AM |
4396 | static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, |
4397 | struct ieee80211_channel *channel, | |
4398 | struct ieee80211_vif *vif, | |
4399 | int duration) | |
4400 | { | |
afc1e3b4 | 4401 | int res; |
b112889c AM |
4402 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
4403 | struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; | |
6eb031d2 | 4404 | static const u16 time_event_response[] = { HOT_SPOT_CMD }; |
b112889c | 4405 | struct iwl_notification_wait wait_time_event; |
dc28e12f MG |
4406 | u32 dtim_interval = vif->bss_conf.dtim_period * |
4407 | vif->bss_conf.beacon_int; | |
4408 | u32 req_dur, delay; | |
b112889c AM |
4409 | struct iwl_hs20_roc_req aux_roc_req = { |
4410 | .action = cpu_to_le32(FW_CTXT_ACTION_ADD), | |
4411 | .id_and_color = | |
4412 | cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), | |
4413 | .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), | |
57e861d9 DS |
4414 | }; |
4415 | struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm, | |
4416 | &aux_roc_req.channel_info); | |
4417 | u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm); | |
4418 | ||
4419 | /* Set the channel info data */ | |
4420 | iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, | |
3717f91a | 4421 | iwl_mvm_phy_band_from_nl80211(channel->band), |
7ac87575 | 4422 | IWL_PHY_CHANNEL_MODE20, |
57e861d9 DS |
4423 | 0); |
4424 | ||
4425 | /* Set the time and duration */ | |
afc1e3b4 | 4426 | tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm)); |
b112889c | 4427 | |
dc28e12f MG |
4428 | delay = AUX_ROC_MIN_DELAY; |
4429 | req_dur = MSEC_TO_TU(duration); | |
4430 | ||
4431 | /* | |
4432 | * If we are associated we want the delay time to be at least one | |
4433 | * dtim interval so that the FW can wait until after the DTIM and | |
4434 | * then start the time event, this will potentially allow us to | |
4435 | * remain off-channel for the max duration. | |
4436 | * Since we want to use almost a whole dtim interval we would also | |
4437 | * like the delay to be for 2-3 dtim intervals, in case there are | |
4438 | * other time events with higher priority. | |
4439 | */ | |
f276e20b | 4440 | if (vif->cfg.assoc) { |
dc28e12f MG |
4441 | delay = min_t(u32, dtim_interval * 3, AUX_ROC_MAX_DELAY); |
4442 | /* We cannot remain off-channel longer than the DTIM interval */ | |
4443 | if (dtim_interval <= req_dur) { | |
4444 | req_dur = dtim_interval - AUX_ROC_SAFETY_BUFFER; | |
4445 | if (req_dur <= AUX_ROC_MIN_DURATION) | |
4446 | req_dur = dtim_interval - | |
4447 | AUX_ROC_MIN_SAFETY_BUFFER; | |
4448 | } | |
4449 | } | |
4450 | ||
57e861d9 DS |
4451 | tail->duration = cpu_to_le32(req_dur); |
4452 | tail->apply_time_max_delay = cpu_to_le32(delay); | |
dc28e12f MG |
4453 | |
4454 | IWL_DEBUG_TE(mvm, | |
903b3f9b EG |
4455 | "ROC: Requesting to remain on channel %u for %ums\n", |
4456 | channel->hw_value, req_dur); | |
4457 | IWL_DEBUG_TE(mvm, | |
4458 | "\t(requested = %ums, max_delay = %ums, dtim_interval = %ums)\n", | |
4459 | duration, delay, dtim_interval); | |
4460 | ||
b112889c | 4461 | /* Set the node address */ |
57e861d9 | 4462 | memcpy(tail->node_addr, vif->addr, ETH_ALEN); |
b112889c | 4463 | |
a6cc5163 MG |
4464 | lockdep_assert_held(&mvm->mutex); |
4465 | ||
4466 | spin_lock_bh(&mvm->time_event_lock); | |
4467 | ||
4468 | if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { | |
4469 | spin_unlock_bh(&mvm->time_event_lock); | |
4470 | return -EIO; | |
4471 | } | |
4472 | ||
b112889c AM |
4473 | te_data->vif = vif; |
4474 | te_data->duration = duration; | |
4475 | te_data->id = HOT_SPOT_CMD; | |
4476 | ||
b112889c AM |
4477 | spin_unlock_bh(&mvm->time_event_lock); |
4478 | ||
4479 | /* | |
4480 | * Use a notification wait, which really just processes the | |
4481 | * command response and doesn't wait for anything, in order | |
4482 | * to be able to process the response and get the UID inside | |
4483 | * the RX path. Using CMD_WANT_SKB doesn't work because it | |
4484 | * stores the buffer and then wakes up this thread, by which | |
4485 | * time another notification (that the time event started) | |
4486 | * might already be processed unsuccessfully. | |
4487 | */ | |
4488 | iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, | |
4489 | time_event_response, | |
4490 | ARRAY_SIZE(time_event_response), | |
4491 | iwl_mvm_rx_aux_roc, te_data); | |
4492 | ||
57e861d9 | 4493 | res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len, |
b112889c AM |
4494 | &aux_roc_req); |
4495 | ||
4496 | if (res) { | |
4497 | IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); | |
4498 | iwl_remove_notification(&mvm->notif_wait, &wait_time_event); | |
4499 | goto out_clear_te; | |
4500 | } | |
4501 | ||
4502 | /* No need to wait for anything, so just pass 1 (0 isn't valid) */ | |
4503 | res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); | |
4504 | /* should never fail */ | |
4505 | WARN_ON_ONCE(res); | |
4506 | ||
4507 | if (res) { | |
4508 | out_clear_te: | |
4509 | spin_lock_bh(&mvm->time_event_lock); | |
4510 | iwl_mvm_te_clear_data(mvm, te_data); | |
4511 | spin_unlock_bh(&mvm->time_event_lock); | |
4512 | } | |
4513 | ||
4514 | return res; | |
4515 | } | |
4516 | ||
feebebae MK |
4517 | static int iwl_mvm_add_aux_sta_for_hs20(struct iwl_mvm *mvm, u32 lmac_id) |
4518 | { | |
4519 | int ret = 0; | |
4520 | ||
4521 | lockdep_assert_held(&mvm->mutex); | |
4522 | ||
4523 | if (!fw_has_capa(&mvm->fw->ucode_capa, | |
4524 | IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { | |
4525 | IWL_ERR(mvm, "hotspot not supported\n"); | |
4526 | return -EINVAL; | |
4527 | } | |
4528 | ||
4529 | if (iwl_fw_lookup_cmd_ver(mvm->fw, ADD_STA, 0) >= 12) { | |
4530 | ret = iwl_mvm_add_aux_sta(mvm, lmac_id); | |
4531 | WARN(ret, "Failed to allocate aux station"); | |
4532 | } | |
4533 | ||
4534 | return ret; | |
4535 | } | |
4536 | ||
4537 | static int iwl_mvm_roc_switch_binding(struct iwl_mvm *mvm, | |
4538 | struct ieee80211_vif *vif, | |
4539 | struct iwl_mvm_phy_ctxt *new_phy_ctxt) | |
4540 | { | |
4541 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
4542 | int ret = 0; | |
4543 | ||
4544 | lockdep_assert_held(&mvm->mutex); | |
4545 | ||
4546 | /* Unbind the P2P_DEVICE from the current PHY context, | |
4547 | * and if the PHY context is not used remove it. | |
4548 | */ | |
4549 | ret = iwl_mvm_binding_remove_vif(mvm, vif); | |
4550 | if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) | |
4551 | return ret; | |
4552 | ||
4553 | iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); | |
4554 | ||
4555 | /* Bind the P2P_DEVICE to the current PHY Context */ | |
4556 | mvmvif->deflink.phy_ctxt = new_phy_ctxt; | |
4557 | ||
4558 | ret = iwl_mvm_binding_add_vif(mvm, vif); | |
4559 | WARN(ret, "Failed binding P2P_DEVICE\n"); | |
4560 | return ret; | |
4561 | } | |
4562 | ||
8ca151b5 JB |
4563 | static int iwl_mvm_roc(struct ieee80211_hw *hw, |
4564 | struct ieee80211_vif *vif, | |
4565 | struct ieee80211_channel *channel, | |
d339d5ca IP |
4566 | int duration, |
4567 | enum ieee80211_roc_type type) | |
fe8b2ad3 MK |
4568 | { |
4569 | struct iwl_mvm_roc_ops ops = { | |
4570 | .add_aux_sta_for_hs20 = iwl_mvm_add_aux_sta_for_hs20, | |
4571 | .switch_phy_ctxt = iwl_mvm_roc_switch_binding, | |
4572 | }; | |
4573 | ||
4574 | return iwl_mvm_roc_common(hw, vif, channel, duration, type, &ops); | |
4575 | } | |
4576 | ||
4577 | /* Execute the common part for MLD and non-MLD modes */ | |
4578 | int iwl_mvm_roc_common(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
4579 | struct ieee80211_channel *channel, int duration, | |
4580 | enum ieee80211_roc_type type, | |
4581 | struct iwl_mvm_roc_ops *ops) | |
8ca151b5 JB |
4582 | { |
4583 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
fe0f2de3 | 4584 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
8ca151b5 | 4585 | struct cfg80211_chan_def chandef; |
31d385ae | 4586 | struct iwl_mvm_phy_ctxt *phy_ctxt; |
8835a64f | 4587 | bool band_change_removal; |
31d385ae | 4588 | int ret, i; |
feebebae | 4589 | u32 lmac_id; |
31d385ae IP |
4590 | |
4591 | IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, | |
4592 | duration, type); | |
8ca151b5 | 4593 | |
9834781c JB |
4594 | /* |
4595 | * Flush the done work, just in case it's still pending, so that | |
4596 | * the work it does can complete and we can accept new frames. | |
4597 | */ | |
6ed13164 MG |
4598 | flush_work(&mvm->roc_done_wk); |
4599 | ||
a6cc5163 MG |
4600 | mutex_lock(&mvm->mutex); |
4601 | ||
b112889c AM |
4602 | switch (vif->type) { |
4603 | case NL80211_IFTYPE_STATION: | |
feebebae MK |
4604 | lmac_id = iwl_mvm_get_lmac_id(mvm->fw, channel->band); |
4605 | ||
4606 | /* Use aux roc framework (HS20) */ | |
fe8b2ad3 | 4607 | ret = ops->add_aux_sta_for_hs20(mvm, lmac_id); |
feebebae | 4608 | if (!ret) |
5ac6c72e LC |
4609 | ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, |
4610 | vif, duration); | |
a6cc5163 | 4611 | goto out_unlock; |
b112889c AM |
4612 | case NL80211_IFTYPE_P2P_DEVICE: |
4613 | /* handle below */ | |
4614 | break; | |
4615 | default: | |
4616 | IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type); | |
a6cc5163 MG |
4617 | ret = -EINVAL; |
4618 | goto out_unlock; | |
8ca151b5 JB |
4619 | } |
4620 | ||
31d385ae IP |
4621 | for (i = 0; i < NUM_PHY_CTX; i++) { |
4622 | phy_ctxt = &mvm->phy_ctxts[i]; | |
650cadb7 | 4623 | if (phy_ctxt->ref == 0 || mvmvif->deflink.phy_ctxt == phy_ctxt) |
31d385ae IP |
4624 | continue; |
4625 | ||
4626 | if (phy_ctxt->ref && channel == phy_ctxt->channel) { | |
fe8b2ad3 | 4627 | ret = ops->switch_phy_ctxt(mvm, vif, phy_ctxt); |
feebebae | 4628 | if (ret) |
31d385ae IP |
4629 | goto out_unlock; |
4630 | ||
650cadb7 | 4631 | iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt); |
31d385ae IP |
4632 | goto schedule_time_event; |
4633 | } | |
4634 | } | |
4635 | ||
4636 | /* Need to update the PHY context only if the ROC channel changed */ | |
650cadb7 | 4637 | if (channel == mvmvif->deflink.phy_ctxt->channel) |
31d385ae IP |
4638 | goto schedule_time_event; |
4639 | ||
8ca151b5 | 4640 | cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); |
8ca151b5 | 4641 | |
31d385ae | 4642 | /* |
8835a64f JB |
4643 | * Check if the remain-on-channel is on a different band and that |
4644 | * requires context removal, see iwl_mvm_phy_ctxt_changed(). If | |
4645 | * so, we'll need to release and then re-configure here, since we | |
4646 | * must not remove a PHY context that's part of a binding. | |
31d385ae | 4647 | */ |
8835a64f JB |
4648 | band_change_removal = |
4649 | fw_has_capa(&mvm->fw->ucode_capa, | |
4650 | IWL_UCODE_TLV_CAPA_BINDING_CDB_SUPPORT) && | |
650cadb7 | 4651 | mvmvif->deflink.phy_ctxt->channel->band != chandef.chan->band; |
8835a64f | 4652 | |
650cadb7 | 4653 | if (mvmvif->deflink.phy_ctxt->ref == 1 && !band_change_removal) { |
8835a64f JB |
4654 | /* |
4655 | * Change the PHY context configuration as it is currently | |
4656 | * referenced only by the P2P Device MAC (and we can modify it) | |
4657 | */ | |
650cadb7 | 4658 | ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->deflink.phy_ctxt, |
31d385ae IP |
4659 | &chandef, 1, 1); |
4660 | if (ret) | |
4661 | goto out_unlock; | |
4662 | } else { | |
4663 | /* | |
8835a64f JB |
4664 | * The PHY context is shared with other MACs (or we're trying to |
4665 | * switch bands), so remove the P2P Device from the binding, | |
4666 | * allocate an new PHY context and create a new binding. | |
31d385ae IP |
4667 | */ |
4668 | phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); | |
4669 | if (!phy_ctxt) { | |
4670 | ret = -ENOSPC; | |
4671 | goto out_unlock; | |
4672 | } | |
4673 | ||
4674 | ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef, | |
4675 | 1, 1); | |
4676 | if (ret) { | |
4677 | IWL_ERR(mvm, "Failed to change PHY context\n"); | |
4678 | goto out_unlock; | |
4679 | } | |
4680 | ||
fe8b2ad3 | 4681 | ret = ops->switch_phy_ctxt(mvm, vif, phy_ctxt); |
feebebae | 4682 | if (ret) |
31d385ae IP |
4683 | goto out_unlock; |
4684 | ||
650cadb7 | 4685 | iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt); |
31d385ae IP |
4686 | } |
4687 | ||
4688 | schedule_time_event: | |
8ca151b5 | 4689 | /* Schedule the time events */ |
e635c797 | 4690 | ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type); |
8ca151b5 | 4691 | |
31d385ae | 4692 | out_unlock: |
8ca151b5 JB |
4693 | mutex_unlock(&mvm->mutex); |
4694 | IWL_DEBUG_MAC80211(mvm, "leave\n"); | |
8ca151b5 JB |
4695 | return ret; |
4696 | } | |
4697 | ||
fe8b2ad3 MK |
4698 | int iwl_mvm_cancel_roc(struct ieee80211_hw *hw, |
4699 | struct ieee80211_vif *vif) | |
8ca151b5 JB |
4700 | { |
4701 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
4702 | ||
4703 | IWL_DEBUG_MAC80211(mvm, "enter\n"); | |
4704 | ||
4705 | mutex_lock(&mvm->mutex); | |
fe959c7b | 4706 | iwl_mvm_stop_roc(mvm, vif); |
8ca151b5 JB |
4707 | mutex_unlock(&mvm->mutex); |
4708 | ||
4709 | IWL_DEBUG_MAC80211(mvm, "leave\n"); | |
4710 | return 0; | |
4711 | } | |
4712 | ||
b73f9a4a JB |
4713 | struct iwl_mvm_ftm_responder_iter_data { |
4714 | bool responder; | |
4715 | struct ieee80211_chanctx_conf *ctx; | |
4716 | }; | |
4717 | ||
4718 | static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac, | |
4719 | struct ieee80211_vif *vif) | |
4720 | { | |
4721 | struct iwl_mvm_ftm_responder_iter_data *data = _data; | |
4722 | ||
d0a9123e | 4723 | if (rcu_access_pointer(vif->bss_conf.chanctx_conf) == data->ctx && |
b73f9a4a JB |
4724 | vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params) |
4725 | data->responder = true; | |
4726 | } | |
4727 | ||
4728 | static bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm, | |
4729 | struct ieee80211_chanctx_conf *ctx) | |
4730 | { | |
4731 | struct iwl_mvm_ftm_responder_iter_data data = { | |
4732 | .responder = false, | |
4733 | .ctx = ctx, | |
4734 | }; | |
4735 | ||
4736 | ieee80211_iterate_active_interfaces_atomic(mvm->hw, | |
4737 | IEEE80211_IFACE_ITER_NORMAL, | |
4738 | iwl_mvm_ftm_responder_chanctx_iter, | |
4739 | &data); | |
4740 | return data.responder; | |
4741 | } | |
4742 | ||
b08c1d97 LC |
4743 | static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, |
4744 | struct ieee80211_chanctx_conf *ctx) | |
8ca151b5 | 4745 | { |
fe0f2de3 IP |
4746 | u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; |
4747 | struct iwl_mvm_phy_ctxt *phy_ctxt; | |
b73f9a4a JB |
4748 | bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); |
4749 | struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; | |
8ca151b5 JB |
4750 | int ret; |
4751 | ||
b08c1d97 LC |
4752 | lockdep_assert_held(&mvm->mutex); |
4753 | ||
53a9d61e | 4754 | IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); |
fe0f2de3 | 4755 | |
fe0f2de3 IP |
4756 | phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); |
4757 | if (!phy_ctxt) { | |
4758 | ret = -ENOSPC; | |
4759 | goto out; | |
4760 | } | |
8ca151b5 | 4761 | |
b73f9a4a | 4762 | ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, |
53a9d61e IP |
4763 | ctx->rx_chains_static, |
4764 | ctx->rx_chains_dynamic); | |
fe0f2de3 IP |
4765 | if (ret) { |
4766 | IWL_ERR(mvm, "Failed to add PHY context\n"); | |
4767 | goto out; | |
4768 | } | |
4769 | ||
53a9d61e | 4770 | iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt); |
fe0f2de3 IP |
4771 | *phy_ctxt_id = phy_ctxt->id; |
4772 | out: | |
b08c1d97 LC |
4773 | return ret; |
4774 | } | |
4775 | ||
cbce62a3 MK |
4776 | int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, |
4777 | struct ieee80211_chanctx_conf *ctx) | |
b08c1d97 LC |
4778 | { |
4779 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
4780 | int ret; | |
4781 | ||
4782 | mutex_lock(&mvm->mutex); | |
4783 | ret = __iwl_mvm_add_chanctx(mvm, ctx); | |
8ca151b5 | 4784 | mutex_unlock(&mvm->mutex); |
b08c1d97 | 4785 | |
8ca151b5 JB |
4786 | return ret; |
4787 | } | |
4788 | ||
b08c1d97 LC |
4789 | static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, |
4790 | struct ieee80211_chanctx_conf *ctx) | |
4791 | { | |
4792 | u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; | |
4793 | struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; | |
4794 | ||
4795 | lockdep_assert_held(&mvm->mutex); | |
4796 | ||
4797 | iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); | |
4798 | } | |
4799 | ||
cbce62a3 MK |
4800 | void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, |
4801 | struct ieee80211_chanctx_conf *ctx) | |
8ca151b5 JB |
4802 | { |
4803 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
8ca151b5 JB |
4804 | |
4805 | mutex_lock(&mvm->mutex); | |
b08c1d97 | 4806 | __iwl_mvm_remove_chanctx(mvm, ctx); |
8ca151b5 JB |
4807 | mutex_unlock(&mvm->mutex); |
4808 | } | |
4809 | ||
cbce62a3 MK |
4810 | void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, |
4811 | struct ieee80211_chanctx_conf *ctx, u32 changed) | |
8ca151b5 JB |
4812 | { |
4813 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
fe0f2de3 IP |
4814 | u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; |
4815 | struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; | |
b73f9a4a JB |
4816 | bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); |
4817 | struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; | |
8ca151b5 | 4818 | |
31d385ae IP |
4819 | if (WARN_ONCE((phy_ctxt->ref > 1) && |
4820 | (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | | |
4821 | IEEE80211_CHANCTX_CHANGE_RX_CHAINS | | |
2dceedae AN |
4822 | IEEE80211_CHANCTX_CHANGE_RADAR | |
4823 | IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), | |
31d385ae IP |
4824 | "Cannot change PHY. Ref=%d, changed=0x%X\n", |
4825 | phy_ctxt->ref, changed)) | |
4826 | return; | |
4827 | ||
8ca151b5 | 4828 | mutex_lock(&mvm->mutex); |
7a20bcce EG |
4829 | |
4830 | /* we are only changing the min_width, may be a noop */ | |
4831 | if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) { | |
b73f9a4a | 4832 | if (phy_ctxt->width == def->width) |
7a20bcce EG |
4833 | goto out_unlock; |
4834 | ||
4835 | /* we are just toggling between 20_NOHT and 20 */ | |
4836 | if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && | |
b73f9a4a | 4837 | def->width <= NL80211_CHAN_WIDTH_20) |
7a20bcce EG |
4838 | goto out_unlock; |
4839 | } | |
4840 | ||
4d66449a | 4841 | iwl_mvm_bt_coex_vif_change(mvm); |
b73f9a4a | 4842 | iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, |
8ca151b5 JB |
4843 | ctx->rx_chains_static, |
4844 | ctx->rx_chains_dynamic); | |
7a20bcce EG |
4845 | |
4846 | out_unlock: | |
8ca151b5 JB |
4847 | mutex_unlock(&mvm->mutex); |
4848 | } | |
4849 | ||
8a919a78 MK |
4850 | /* |
4851 | * This function executes the common part for MLD and non-MLD modes. | |
4852 | * | |
4853 | * Returns true if we're done assigning the chanctx | |
4854 | * (either on failure or success) | |
4855 | */ | |
4263ac7f GG |
4856 | static bool |
4857 | __iwl_mvm_assign_vif_chanctx_common(struct iwl_mvm *mvm, | |
4858 | struct ieee80211_vif *vif, | |
4859 | struct ieee80211_chanctx_conf *ctx, | |
4860 | bool switching_chanctx, int *ret) | |
8ca151b5 | 4861 | { |
fe0f2de3 IP |
4862 | u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; |
4863 | struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; | |
8ca151b5 | 4864 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
8ca151b5 | 4865 | |
b08c1d97 | 4866 | lockdep_assert_held(&mvm->mutex); |
8ca151b5 | 4867 | |
650cadb7 | 4868 | mvmvif->deflink.phy_ctxt = phy_ctxt; |
8ca151b5 JB |
4869 | |
4870 | switch (vif->type) { | |
4871 | case NL80211_IFTYPE_AP: | |
4741dd04 LC |
4872 | /* only needed if we're switching chanctx (i.e. during CSA) */ |
4873 | if (switching_chanctx) { | |
bd3398e2 AO |
4874 | mvmvif->ap_ibss_active = true; |
4875 | break; | |
4876 | } | |
5a2abdca | 4877 | fallthrough; |
5023d966 | 4878 | case NL80211_IFTYPE_ADHOC: |
8ca151b5 JB |
4879 | /* |
4880 | * The AP binding flow is handled as part of the start_ap flow | |
5023d966 | 4881 | * (in bss_info_changed), similarly for IBSS. |
8ca151b5 | 4882 | */ |
8a919a78 MK |
4883 | *ret = 0; |
4884 | return true; | |
8ca151b5 | 4885 | case NL80211_IFTYPE_STATION: |
2533edce | 4886 | break; |
8ca151b5 | 4887 | case NL80211_IFTYPE_MONITOR: |
2533edce LC |
4888 | /* always disable PS when a monitor interface is active */ |
4889 | mvmvif->ps_disabled = true; | |
8ca151b5 JB |
4890 | break; |
4891 | default: | |
8a919a78 MK |
4892 | *ret = -EINVAL; |
4893 | return true; | |
8ca151b5 | 4894 | } |
8a919a78 MK |
4895 | return false; |
4896 | } | |
4897 | ||
4898 | static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, | |
4899 | struct ieee80211_vif *vif, | |
4263ac7f | 4900 | struct ieee80211_bss_conf *link_conf, |
8a919a78 MK |
4901 | struct ieee80211_chanctx_conf *ctx, |
4902 | bool switching_chanctx) | |
4903 | { | |
4904 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
4905 | int ret; | |
4906 | ||
4263ac7f GG |
4907 | if (WARN_ON(!link_conf)) |
4908 | return -EINVAL; | |
4909 | ||
8a919a78 MK |
4910 | if (__iwl_mvm_assign_vif_chanctx_common(mvm, vif, ctx, |
4911 | switching_chanctx, &ret)) | |
4912 | goto out; | |
8ca151b5 JB |
4913 | |
4914 | ret = iwl_mvm_binding_add_vif(mvm, vif); | |
4915 | if (ret) | |
b08c1d97 | 4916 | goto out; |
8ca151b5 JB |
4917 | |
4918 | /* | |
92d85562 AB |
4919 | * Power state must be updated before quotas, |
4920 | * otherwise fw will complain. | |
4921 | */ | |
999609f1 | 4922 | iwl_mvm_power_update_mac(mvm); |
92d85562 AB |
4923 | |
4924 | /* Setting the quota at this stage is only required for monitor | |
8ca151b5 JB |
4925 | * interfaces. For the other types, the bss_info changed flow |
4926 | * will handle quota settings. | |
4927 | */ | |
4928 | if (vif->type == NL80211_IFTYPE_MONITOR) { | |
1e1391ca | 4929 | mvmvif->monitor_active = true; |
7754ae79 | 4930 | ret = iwl_mvm_update_quotas(mvm, false, NULL); |
8ca151b5 JB |
4931 | if (ret) |
4932 | goto out_remove_binding; | |
0e39eb03 CRI |
4933 | |
4934 | ret = iwl_mvm_add_snif_sta(mvm, vif); | |
4935 | if (ret) | |
4936 | goto out_remove_binding; | |
4937 | ||
8ca151b5 JB |
4938 | } |
4939 | ||
bd3398e2 | 4940 | /* Handle binding during CSA */ |
a57c688d | 4941 | if (vif->type == NL80211_IFTYPE_AP) { |
7754ae79 | 4942 | iwl_mvm_update_quotas(mvm, false, NULL); |
3dfd3a97 | 4943 | iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); |
bd3398e2 AO |
4944 | } |
4945 | ||
8a919a78 MK |
4946 | if (vif->type == NL80211_IFTYPE_STATION) { |
4947 | if (!switching_chanctx) { | |
4948 | mvmvif->csa_bcn_pending = false; | |
4949 | goto out; | |
4950 | } | |
4951 | ||
74a10252 | 4952 | mvmvif->csa_bcn_pending = true; |
686e7fe1 | 4953 | |
74a10252 SS |
4954 | if (!fw_has_capa(&mvm->fw->ucode_capa, |
4955 | IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { | |
4956 | u32 duration = 3 * vif->bss_conf.beacon_int; | |
686e7fe1 | 4957 | |
74a10252 SS |
4958 | /* Protect the session to make sure we hear the first |
4959 | * beacon on the new channel. | |
4960 | */ | |
4961 | iwl_mvm_protect_session(mvm, vif, duration, duration, | |
4962 | vif->bss_conf.beacon_int / 2, | |
4963 | true); | |
74a10252 | 4964 | } |
686e7fe1 | 4965 | |
7754ae79 | 4966 | iwl_mvm_update_quotas(mvm, false, NULL); |
0ce04ce7 LC |
4967 | } |
4968 | ||
b08c1d97 | 4969 | goto out; |
8ca151b5 | 4970 | |
b08c1d97 | 4971 | out_remove_binding: |
8ca151b5 | 4972 | iwl_mvm_binding_remove_vif(mvm, vif); |
999609f1 | 4973 | iwl_mvm_power_update_mac(mvm); |
b08c1d97 | 4974 | out: |
8ca151b5 | 4975 | if (ret) |
650cadb7 | 4976 | mvmvif->deflink.phy_ctxt = NULL; |
8ca151b5 JB |
4977 | return ret; |
4978 | } | |
8a919a78 | 4979 | |
b08c1d97 LC |
4980 | static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, |
4981 | struct ieee80211_vif *vif, | |
727eff4d | 4982 | struct ieee80211_bss_conf *link_conf, |
b08c1d97 | 4983 | struct ieee80211_chanctx_conf *ctx) |
8ca151b5 JB |
4984 | { |
4985 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
b08c1d97 | 4986 | int ret; |
8ca151b5 JB |
4987 | |
4988 | mutex_lock(&mvm->mutex); | |
4263ac7f | 4989 | ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, link_conf, ctx, false); |
b08c1d97 LC |
4990 | mutex_unlock(&mvm->mutex); |
4991 | ||
4992 | return ret; | |
4993 | } | |
4994 | ||
daddfae5 MK |
4995 | /* |
4996 | * This function executes the common part for MLD and non-MLD modes. | |
4997 | * | |
4998 | * Returns if chanctx unassign chanctx is done | |
4999 | * (either on failure or success) | |
5000 | */ | |
4263ac7f GG |
5001 | static bool __iwl_mvm_unassign_vif_chanctx_common(struct iwl_mvm *mvm, |
5002 | struct ieee80211_vif *vif, | |
5003 | bool switching_chanctx) | |
b08c1d97 LC |
5004 | { |
5005 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
5006 | ||
5007 | lockdep_assert_held(&mvm->mutex); | |
650cadb7 GG |
5008 | iwl_mvm_remove_time_event(mvm, mvmvif, |
5009 | &mvmvif->time_event_data); | |
8ca151b5 | 5010 | |
8ca151b5 | 5011 | switch (vif->type) { |
5023d966 | 5012 | case NL80211_IFTYPE_ADHOC: |
daddfae5 | 5013 | return true; |
8ca151b5 | 5014 | case NL80211_IFTYPE_MONITOR: |
1e1391ca | 5015 | mvmvif->monitor_active = false; |
2533edce | 5016 | mvmvif->ps_disabled = false; |
8ca151b5 | 5017 | break; |
bd3398e2 AO |
5018 | case NL80211_IFTYPE_AP: |
5019 | /* This part is triggered only during CSA */ | |
4741dd04 | 5020 | if (!switching_chanctx || !mvmvif->ap_ibss_active) |
daddfae5 | 5021 | return true; |
bd3398e2 | 5022 | |
7ef0aab6 AO |
5023 | mvmvif->csa_countdown = false; |
5024 | ||
56f4f12b MK |
5025 | /* Set CS bit on all the stations */ |
5026 | iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); | |
5027 | ||
003e5236 AO |
5028 | /* Save blocked iface, the timeout is set on the next beacon */ |
5029 | rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); | |
5030 | ||
bd3398e2 | 5031 | mvmvif->ap_ibss_active = false; |
f0c97783 | 5032 | break; |
daddfae5 MK |
5033 | default: |
5034 | break; | |
5035 | } | |
5036 | return false; | |
5037 | } | |
f0c97783 | 5038 | |
daddfae5 MK |
5039 | static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, |
5040 | struct ieee80211_vif *vif, | |
4263ac7f | 5041 | struct ieee80211_bss_conf *link_conf, |
daddfae5 MK |
5042 | struct ieee80211_chanctx_conf *ctx, |
5043 | bool switching_chanctx) | |
5044 | { | |
5045 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
5046 | struct ieee80211_vif *disabled_vif = NULL; | |
5047 | ||
5048 | if (__iwl_mvm_unassign_vif_chanctx_common(mvm, vif, switching_chanctx)) | |
5049 | goto out; | |
f0c97783 | 5050 | |
daddfae5 MK |
5051 | if (vif->type == NL80211_IFTYPE_MONITOR) |
5052 | iwl_mvm_rm_snif_sta(mvm, vif); | |
5053 | ||
daddfae5 MK |
5054 | |
5055 | if (vif->type == NL80211_IFTYPE_STATION && switching_chanctx) { | |
5056 | disabled_vif = vif; | |
74a10252 SS |
5057 | if (!fw_has_capa(&mvm->fw->ucode_capa, |
5058 | IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) | |
5059 | iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); | |
8ca151b5 JB |
5060 | } |
5061 | ||
7754ae79 | 5062 | iwl_mvm_update_quotas(mvm, false, disabled_vif); |
1e1391ca | 5063 | iwl_mvm_binding_remove_vif(mvm, vif); |
1c2abf72 | 5064 | |
b08c1d97 | 5065 | out: |
bf544e9a SS |
5066 | if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD) && |
5067 | switching_chanctx) | |
5068 | return; | |
650cadb7 | 5069 | mvmvif->deflink.phy_ctxt = NULL; |
999609f1 | 5070 | iwl_mvm_power_update_mac(mvm); |
b08c1d97 LC |
5071 | } |
5072 | ||
5073 | static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, | |
5074 | struct ieee80211_vif *vif, | |
727eff4d | 5075 | struct ieee80211_bss_conf *link_conf, |
b08c1d97 LC |
5076 | struct ieee80211_chanctx_conf *ctx) |
5077 | { | |
5078 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
5079 | ||
5080 | mutex_lock(&mvm->mutex); | |
4263ac7f | 5081 | __iwl_mvm_unassign_vif_chanctx(mvm, vif, link_conf, ctx, false); |
8ca151b5 JB |
5082 | mutex_unlock(&mvm->mutex); |
5083 | } | |
5084 | ||
50cc9574 LC |
5085 | static int |
5086 | iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, | |
660eba5a MK |
5087 | struct ieee80211_vif_chanctx_switch *vifs, |
5088 | struct iwl_mvm_switch_vif_chanctx_ops *ops) | |
b08c1d97 | 5089 | { |
b08c1d97 LC |
5090 | int ret; |
5091 | ||
b08c1d97 | 5092 | mutex_lock(&mvm->mutex); |
4263ac7f GG |
5093 | ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, |
5094 | vifs[0].old_ctx, true); | |
b08c1d97 LC |
5095 | __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); |
5096 | ||
5097 | ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); | |
5098 | if (ret) { | |
5099 | IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); | |
5100 | goto out_reassign; | |
5101 | } | |
5102 | ||
4263ac7f GG |
5103 | ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, |
5104 | vifs[0].new_ctx, true); | |
b08c1d97 LC |
5105 | if (ret) { |
5106 | IWL_ERR(mvm, | |
5107 | "failed to assign new_ctx during channel switch\n"); | |
5108 | goto out_remove; | |
5109 | } | |
5110 | ||
f697267f AN |
5111 | /* we don't support TDLS during DCM - can be caused by channel switch */ |
5112 | if (iwl_mvm_phy_ctx_count(mvm) > 1) | |
5113 | iwl_mvm_teardown_tdls_peers(mvm); | |
5114 | ||
b08c1d97 LC |
5115 | goto out; |
5116 | ||
5117 | out_remove: | |
5118 | __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); | |
5119 | ||
5120 | out_reassign: | |
6fd1fb63 | 5121 | if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { |
b08c1d97 LC |
5122 | IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); |
5123 | goto out_restart; | |
5124 | } | |
5125 | ||
4263ac7f GG |
5126 | if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, |
5127 | vifs[0].old_ctx, true)) { | |
b08c1d97 LC |
5128 | IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); |
5129 | goto out_restart; | |
5130 | } | |
5131 | ||
5132 | goto out; | |
5133 | ||
5134 | out_restart: | |
5135 | /* things keep failing, better restart the hw */ | |
5136 | iwl_mvm_nic_restart(mvm, false); | |
5137 | ||
5138 | out: | |
5139 | mutex_unlock(&mvm->mutex); | |
50cc9574 LC |
5140 | |
5141 | return ret; | |
5142 | } | |
5143 | ||
48a256e8 LC |
5144 | static int |
5145 | iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, | |
660eba5a MK |
5146 | struct ieee80211_vif_chanctx_switch *vifs, |
5147 | struct iwl_mvm_switch_vif_chanctx_ops *ops) | |
48a256e8 LC |
5148 | { |
5149 | int ret; | |
5150 | ||
5151 | mutex_lock(&mvm->mutex); | |
4263ac7f GG |
5152 | ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, |
5153 | vifs[0].old_ctx, true); | |
48a256e8 | 5154 | |
4263ac7f GG |
5155 | ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, |
5156 | vifs[0].new_ctx, true); | |
48a256e8 LC |
5157 | if (ret) { |
5158 | IWL_ERR(mvm, | |
5159 | "failed to assign new_ctx during channel switch\n"); | |
5160 | goto out_reassign; | |
5161 | } | |
5162 | ||
5163 | goto out; | |
5164 | ||
5165 | out_reassign: | |
4263ac7f GG |
5166 | if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, |
5167 | vifs[0].old_ctx, true)) { | |
48a256e8 LC |
5168 | IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); |
5169 | goto out_restart; | |
5170 | } | |
5171 | ||
5172 | goto out; | |
5173 | ||
5174 | out_restart: | |
5175 | /* things keep failing, better restart the hw */ | |
5176 | iwl_mvm_nic_restart(mvm, false); | |
5177 | ||
5178 | out: | |
5179 | mutex_unlock(&mvm->mutex); | |
5180 | ||
5181 | return ret; | |
5182 | } | |
5183 | ||
660eba5a MK |
5184 | /* Execute the common part for both MLD and non-MLD modes */ |
5185 | int | |
5186 | iwl_mvm_switch_vif_chanctx_common(struct ieee80211_hw *hw, | |
5187 | struct ieee80211_vif_chanctx_switch *vifs, | |
5188 | int n_vifs, | |
5189 | enum ieee80211_chanctx_switch_mode mode, | |
5190 | struct iwl_mvm_switch_vif_chanctx_ops *ops) | |
50cc9574 LC |
5191 | { |
5192 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
5193 | int ret; | |
5194 | ||
5195 | /* we only support a single-vif right now */ | |
5196 | if (n_vifs > 1) | |
5197 | return -EOPNOTSUPP; | |
5198 | ||
5199 | switch (mode) { | |
5200 | case CHANCTX_SWMODE_SWAP_CONTEXTS: | |
660eba5a | 5201 | ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs, ops); |
50cc9574 LC |
5202 | break; |
5203 | case CHANCTX_SWMODE_REASSIGN_VIF: | |
660eba5a | 5204 | ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs, ops); |
50cc9574 LC |
5205 | break; |
5206 | default: | |
5207 | ret = -EOPNOTSUPP; | |
5208 | break; | |
5209 | } | |
5210 | ||
b08c1d97 LC |
5211 | return ret; |
5212 | } | |
5213 | ||
660eba5a MK |
5214 | static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, |
5215 | struct ieee80211_vif_chanctx_switch *vifs, | |
5216 | int n_vifs, | |
5217 | enum ieee80211_chanctx_switch_mode mode) | |
5218 | { | |
5219 | struct iwl_mvm_switch_vif_chanctx_ops ops = { | |
5220 | .__assign_vif_chanctx = __iwl_mvm_assign_vif_chanctx, | |
5221 | .__unassign_vif_chanctx = __iwl_mvm_unassign_vif_chanctx, | |
5222 | }; | |
5223 | ||
5224 | return iwl_mvm_switch_vif_chanctx_common(hw, vifs, n_vifs, mode, &ops); | |
5225 | } | |
5226 | ||
cbce62a3 | 5227 | int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) |
2f0282db JB |
5228 | { |
5229 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
5230 | ||
5231 | return mvm->ibss_manager; | |
5232 | } | |
5233 | ||
cbce62a3 MK |
5234 | int iwl_mvm_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, |
5235 | bool set) | |
8ca151b5 JB |
5236 | { |
5237 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
9d8ce6af | 5238 | struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); |
8ca151b5 JB |
5239 | |
5240 | if (!mvm_sta || !mvm_sta->vif) { | |
5241 | IWL_ERR(mvm, "Station is not associated to a vif\n"); | |
5242 | return -EINVAL; | |
5243 | } | |
5244 | ||
36cf5377 GG |
5245 | return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif, |
5246 | &mvm_sta->vif->bss_conf); | |
8ca151b5 JB |
5247 | } |
5248 | ||
507cadf2 DS |
5249 | #ifdef CONFIG_NL80211_TESTMODE |
5250 | static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { | |
5251 | [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, | |
5252 | [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, | |
f6c6ad42 | 5253 | [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, |
507cadf2 DS |
5254 | }; |
5255 | ||
5256 | static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, | |
5257 | struct ieee80211_vif *vif, | |
5258 | void *data, int len) | |
5259 | { | |
5260 | struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; | |
5261 | int err; | |
5262 | u32 noa_duration; | |
5263 | ||
8cb08174 JB |
5264 | err = nla_parse_deprecated(tb, IWL_MVM_TM_ATTR_MAX, data, len, |
5265 | iwl_mvm_tm_policy, NULL); | |
507cadf2 DS |
5266 | if (err) |
5267 | return err; | |
5268 | ||
5269 | if (!tb[IWL_MVM_TM_ATTR_CMD]) | |
5270 | return -EINVAL; | |
5271 | ||
5272 | switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { | |
5273 | case IWL_MVM_TM_CMD_SET_NOA: | |
5274 | if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || | |
5275 | !vif->bss_conf.enable_beacon || | |
5276 | !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) | |
5277 | return -EINVAL; | |
5278 | ||
5279 | noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); | |
5280 | if (noa_duration >= vif->bss_conf.beacon_int) | |
5281 | return -EINVAL; | |
5282 | ||
5283 | mvm->noa_duration = noa_duration; | |
5284 | mvm->noa_vif = vif; | |
5285 | ||
22b21041 | 5286 | return iwl_mvm_update_quotas(mvm, true, NULL); |
f6c6ad42 JB |
5287 | case IWL_MVM_TM_CMD_SET_BEACON_FILTER: |
5288 | /* must be associated client vif - ignore authorized */ | |
5289 | if (!vif || vif->type != NL80211_IFTYPE_STATION || | |
f276e20b | 5290 | !vif->cfg.assoc || !vif->bss_conf.dtim_period || |
f6c6ad42 JB |
5291 | !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) |
5292 | return -EINVAL; | |
5293 | ||
5294 | if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) | |
a1022927 EG |
5295 | return iwl_mvm_enable_beacon_filter(mvm, vif, 0); |
5296 | return iwl_mvm_disable_beacon_filter(mvm, vif, 0); | |
507cadf2 DS |
5297 | } |
5298 | ||
5299 | return -EOPNOTSUPP; | |
5300 | } | |
5301 | ||
cbce62a3 MK |
5302 | int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, |
5303 | struct ieee80211_vif *vif, | |
5304 | void *data, int len) | |
507cadf2 DS |
5305 | { |
5306 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
5307 | int err; | |
5308 | ||
5309 | mutex_lock(&mvm->mutex); | |
5310 | err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); | |
5311 | mutex_unlock(&mvm->mutex); | |
5312 | ||
5313 | return err; | |
5314 | } | |
5315 | #endif | |
5316 | ||
cbce62a3 MK |
5317 | void iwl_mvm_channel_switch(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
5318 | struct ieee80211_channel_switch *chsw) | |
622e3f9b LC |
5319 | { |
5320 | /* By implementing this operation, we prevent mac80211 from | |
5321 | * starting its own channel switch timer, so that we can call | |
5322 | * ieee80211_chswitch_done() ourselves at the right time | |
5323 | * (which is when the absence time event starts). | |
5324 | */ | |
5325 | ||
5326 | IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), | |
5327 | "dummy channel switch op\n"); | |
5328 | } | |
5329 | ||
74a10252 SS |
5330 | static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, |
5331 | struct ieee80211_vif *vif, | |
5332 | struct ieee80211_channel_switch *chsw) | |
5333 | { | |
5334 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
5335 | struct iwl_chan_switch_te_cmd cmd = { | |
5336 | .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, | |
5337 | mvmvif->color)), | |
5338 | .action = cpu_to_le32(FW_CTXT_ACTION_ADD), | |
5339 | .tsf = cpu_to_le32(chsw->timestamp), | |
5340 | .cs_count = chsw->count, | |
77738865 | 5341 | .cs_mode = chsw->block_tx, |
74a10252 SS |
5342 | }; |
5343 | ||
5344 | lockdep_assert_held(&mvm->mutex); | |
5345 | ||
9cfcf71c SS |
5346 | if (chsw->delay) |
5347 | cmd.cs_delayed_bcn_count = | |
5348 | DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int); | |
5349 | ||
74a10252 SS |
5350 | return iwl_mvm_send_cmd_pdu(mvm, |
5351 | WIDE_ID(MAC_CONF_GROUP, | |
5352 | CHANNEL_SWITCH_TIME_EVENT_CMD), | |
5353 | 0, sizeof(cmd), &cmd); | |
5354 | } | |
5355 | ||
0202bcf0 EG |
5356 | static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm, |
5357 | struct ieee80211_vif *vif, | |
5358 | struct ieee80211_channel_switch *chsw) | |
5359 | { | |
5360 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
5361 | u32 apply_time; | |
5362 | ||
5363 | /* Schedule the time event to a bit before beacon 1, | |
5364 | * to make sure we're in the new channel when the | |
5365 | * GO/AP arrives. In case count <= 1 immediately schedule the | |
5366 | * TE (this might result with some packet loss or connection | |
5367 | * loss). | |
5368 | */ | |
5369 | if (chsw->count <= 1) | |
5370 | apply_time = 0; | |
5371 | else | |
5372 | apply_time = chsw->device_timestamp + | |
5373 | ((vif->bss_conf.beacon_int * (chsw->count - 1) - | |
5374 | IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); | |
5375 | ||
5376 | if (chsw->block_tx) | |
5377 | iwl_mvm_csa_client_absent(mvm, vif); | |
5378 | ||
5379 | if (mvmvif->bf_data.bf_enabled) { | |
5380 | int ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); | |
5381 | ||
5382 | if (ret) | |
5383 | return ret; | |
5384 | } | |
5385 | ||
5386 | iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, | |
5387 | apply_time); | |
5388 | ||
5389 | return 0; | |
5390 | } | |
5391 | ||
f6780614 | 5392 | #define IWL_MAX_CSA_BLOCK_TX 1500 |
cbce62a3 MK |
5393 | int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, |
5394 | struct ieee80211_vif *vif, | |
5395 | struct ieee80211_channel_switch *chsw) | |
bd3398e2 AO |
5396 | { |
5397 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
664322fa | 5398 | struct ieee80211_vif *csa_vif; |
f6c34820 | 5399 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
f028905c | 5400 | int ret; |
bd3398e2 AO |
5401 | |
5402 | mutex_lock(&mvm->mutex); | |
664322fa | 5403 | |
81d62d5a JB |
5404 | mvmvif->csa_failed = false; |
5405 | ||
6b20d774 | 5406 | IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", |
f028905c | 5407 | chsw->chandef.center_freq1); |
6b20d774 | 5408 | |
7174beb6 JB |
5409 | iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, |
5410 | ieee80211_vif_to_wdev(vif), | |
5411 | FW_DBG_TRIGGER_CHANNEL_SWITCH); | |
f35d9c55 | 5412 | |
6b20d774 LC |
5413 | switch (vif->type) { |
5414 | case NL80211_IFTYPE_AP: | |
5415 | csa_vif = | |
5416 | rcu_dereference_protected(mvm->csa_vif, | |
5417 | lockdep_is_held(&mvm->mutex)); | |
d0a9123e | 5418 | if (WARN_ONCE(csa_vif && csa_vif->bss_conf.csa_active, |
6b20d774 LC |
5419 | "Another CSA is already in progress")) { |
5420 | ret = -EBUSY; | |
5421 | goto out_unlock; | |
5422 | } | |
5423 | ||
d3a108a4 AO |
5424 | /* we still didn't unblock tx. prevent new CS meanwhile */ |
5425 | if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, | |
5426 | lockdep_is_held(&mvm->mutex))) { | |
5427 | ret = -EBUSY; | |
5428 | goto out_unlock; | |
5429 | } | |
5430 | ||
6b20d774 | 5431 | rcu_assign_pointer(mvm->csa_vif, vif); |
7ef0aab6 | 5432 | |
7ef0aab6 AO |
5433 | if (WARN_ONCE(mvmvif->csa_countdown, |
5434 | "Previous CSA countdown didn't complete")) { | |
5435 | ret = -EBUSY; | |
5436 | goto out_unlock; | |
5437 | } | |
5438 | ||
d3a108a4 AO |
5439 | mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; |
5440 | ||
6b20d774 | 5441 | break; |
dc88b4ba | 5442 | case NL80211_IFTYPE_STATION: |
ad12b231 NE |
5443 | /* |
5444 | * In the new flow FW is in charge of timing the switch so there | |
5445 | * is no need for all of this | |
5446 | */ | |
5447 | if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, | |
5448 | CHANNEL_SWITCH_ERROR_NOTIF, | |
5449 | 0)) | |
5450 | break; | |
5451 | ||
2360acbd EG |
5452 | /* |
5453 | * We haven't configured the firmware to be associated yet since | |
5454 | * we don't know the dtim period. In this case, the firmware can't | |
5455 | * track the beacons. | |
5456 | */ | |
f276e20b | 5457 | if (!vif->cfg.assoc || !vif->bss_conf.dtim_period) { |
2360acbd EG |
5458 | ret = -EBUSY; |
5459 | goto out_unlock; | |
5460 | } | |
5461 | ||
87d9564e JB |
5462 | if (chsw->delay > IWL_MAX_CSA_BLOCK_TX) |
5463 | schedule_delayed_work(&mvmvif->csa_work, 0); | |
5464 | ||
f6780614 | 5465 | if (chsw->block_tx) { |
f6780614 SS |
5466 | /* |
5467 | * In case of undetermined / long time with immediate | |
5468 | * quiet monitor status to gracefully disconnect | |
5469 | */ | |
5470 | if (!chsw->count || | |
5471 | chsw->count * vif->bss_conf.beacon_int > | |
5472 | IWL_MAX_CSA_BLOCK_TX) | |
5473 | schedule_delayed_work(&mvmvif->csa_work, | |
5474 | msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX)); | |
5475 | } | |
dc88b4ba | 5476 | |
0202bcf0 EG |
5477 | if (!fw_has_capa(&mvm->fw->ucode_capa, |
5478 | IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { | |
5479 | ret = iwl_mvm_old_pre_chan_sw_sta(mvm, vif, chsw); | |
c6e0a3e0 LC |
5480 | if (ret) |
5481 | goto out_unlock; | |
0202bcf0 | 5482 | } else { |
74a10252 | 5483 | iwl_mvm_schedule_client_csa(mvm, vif, chsw); |
0202bcf0 | 5484 | } |
81b4e44e SS |
5485 | |
5486 | mvmvif->csa_count = chsw->count; | |
5487 | mvmvif->csa_misbehave = false; | |
dc88b4ba | 5488 | break; |
6b20d774 LC |
5489 | default: |
5490 | break; | |
5491 | } | |
bd3398e2 | 5492 | |
f6c34820 LC |
5493 | mvmvif->ps_disabled = true; |
5494 | ||
5495 | ret = iwl_mvm_power_update_ps(mvm); | |
5496 | if (ret) | |
5497 | goto out_unlock; | |
f028905c | 5498 | |
e198f5e7 AN |
5499 | /* we won't be on this channel any longer */ |
5500 | iwl_mvm_teardown_tdls_peers(mvm); | |
5501 | ||
bd3398e2 AO |
5502 | out_unlock: |
5503 | mutex_unlock(&mvm->mutex); | |
f028905c LC |
5504 | |
5505 | return ret; | |
bd3398e2 AO |
5506 | } |
5507 | ||
cbce62a3 MK |
5508 | void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw, |
5509 | struct ieee80211_vif *vif, | |
5510 | struct ieee80211_channel_switch *chsw) | |
f6c34820 | 5511 | { |
f6c34820 | 5512 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
c37763d2 SS |
5513 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
5514 | struct iwl_chan_switch_te_cmd cmd = { | |
5515 | .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, | |
5516 | mvmvif->color)), | |
5517 | .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY), | |
5518 | .tsf = cpu_to_le32(chsw->timestamp), | |
5519 | .cs_count = chsw->count, | |
77738865 | 5520 | .cs_mode = chsw->block_tx, |
c37763d2 | 5521 | }; |
a57c688d | 5522 | |
ad12b231 NE |
5523 | /* |
5524 | * In the new flow FW is in charge of timing the switch so there is no | |
5525 | * need for all of this | |
5526 | */ | |
5527 | if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, | |
5528 | CHANNEL_SWITCH_ERROR_NOTIF, 0)) | |
5529 | return; | |
5530 | ||
c37763d2 SS |
5531 | if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY)) |
5532 | return; | |
a57c688d | 5533 | |
c3eae059 GG |
5534 | IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d count = %d (old %d) mode = %d\n", |
5535 | mvmvif->id, chsw->count, mvmvif->csa_count, chsw->block_tx); | |
5536 | ||
81b4e44e SS |
5537 | if (chsw->count >= mvmvif->csa_count && chsw->block_tx) { |
5538 | if (mvmvif->csa_misbehave) { | |
5539 | /* Second time, give up on this AP*/ | |
5540 | iwl_mvm_abort_channel_switch(hw, vif); | |
5541 | ieee80211_chswitch_done(vif, false); | |
5542 | mvmvif->csa_misbehave = false; | |
5543 | return; | |
a57c688d | 5544 | } |
81b4e44e | 5545 | mvmvif->csa_misbehave = true; |
a57c688d | 5546 | } |
81b4e44e | 5547 | mvmvif->csa_count = chsw->count; |
a57c688d | 5548 | |
caf46377 SS |
5549 | mutex_lock(&mvm->mutex); |
5550 | if (mvmvif->csa_failed) | |
5551 | goto out_unlock; | |
f6c34820 | 5552 | |
c37763d2 SS |
5553 | WARN_ON(iwl_mvm_send_cmd_pdu(mvm, |
5554 | WIDE_ID(MAC_CONF_GROUP, | |
5555 | CHANNEL_SWITCH_TIME_EVENT_CMD), | |
caf46377 SS |
5556 | 0, sizeof(cmd), &cmd)); |
5557 | out_unlock: | |
5558 | mutex_unlock(&mvm->mutex); | |
f6c34820 LC |
5559 | } |
5560 | ||
6110d9e5 DS |
5561 | static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) |
5562 | { | |
435d0827 SS |
5563 | int i; |
5564 | ||
06195639 | 5565 | if (!iwl_mvm_has_new_tx_api(mvm)) { |
309c4848 LC |
5566 | if (drop) { |
5567 | mutex_lock(&mvm->mutex); | |
6110d9e5 | 5568 | iwl_mvm_flush_tx_path(mvm, |
d4e3a341 | 5569 | iwl_mvm_flushable_queues(mvm) & queues); |
309c4848 LC |
5570 | mutex_unlock(&mvm->mutex); |
5571 | } else { | |
06195639 | 5572 | iwl_trans_wait_tx_queues_empty(mvm->trans, queues); |
309c4848 | 5573 | } |
435d0827 SS |
5574 | return; |
5575 | } | |
6110d9e5 | 5576 | |
435d0827 | 5577 | mutex_lock(&mvm->mutex); |
be9ae34e | 5578 | for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { |
435d0827 | 5579 | struct ieee80211_sta *sta; |
6110d9e5 | 5580 | |
435d0827 SS |
5581 | sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], |
5582 | lockdep_is_held(&mvm->mutex)); | |
5583 | if (IS_ERR_OR_NULL(sta)) | |
5584 | continue; | |
6110d9e5 | 5585 | |
06195639 | 5586 | if (drop) |
d4e3a341 | 5587 | iwl_mvm_flush_sta_tids(mvm, i, 0xFFFF); |
06195639 SS |
5588 | else |
5589 | iwl_mvm_wait_sta_queues_empty(mvm, | |
5590 | iwl_mvm_sta_from_mac80211(sta)); | |
6110d9e5 | 5591 | } |
435d0827 | 5592 | mutex_unlock(&mvm->mutex); |
6110d9e5 DS |
5593 | } |
5594 | ||
cbce62a3 MK |
5595 | void iwl_mvm_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
5596 | u32 queues, bool drop) | |
c5b0e7c0 EG |
5597 | { |
5598 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
5599 | struct iwl_mvm_vif *mvmvif; | |
5600 | struct iwl_mvm_sta *mvmsta; | |
a0f6bf2a AN |
5601 | struct ieee80211_sta *sta; |
5602 | int i; | |
5603 | u32 msk = 0; | |
c5b0e7c0 | 5604 | |
6110d9e5 DS |
5605 | if (!vif) { |
5606 | iwl_mvm_flush_no_vif(mvm, queues, drop); | |
5607 | return; | |
5608 | } | |
5609 | ||
5610 | if (vif->type != NL80211_IFTYPE_STATION) | |
c5b0e7c0 EG |
5611 | return; |
5612 | ||
24afba76 | 5613 | /* Make sure we're done with the deferred traffic before flushing */ |
c8f54701 | 5614 | flush_work(&mvm->add_stream_wk); |
24afba76 | 5615 | |
c5b0e7c0 EG |
5616 | mutex_lock(&mvm->mutex); |
5617 | mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
c5b0e7c0 | 5618 | |
a0f6bf2a | 5619 | /* flush the AP-station and all TDLS peers */ |
be9ae34e | 5620 | for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { |
a0f6bf2a AN |
5621 | sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], |
5622 | lockdep_is_held(&mvm->mutex)); | |
5623 | if (IS_ERR_OR_NULL(sta)) | |
5624 | continue; | |
5625 | ||
5626 | mvmsta = iwl_mvm_sta_from_mac80211(sta); | |
5627 | if (mvmsta->vif != vif) | |
5628 | continue; | |
5629 | ||
5630 | /* make sure only TDLS peers or the AP are flushed */ | |
6a2a71e5 | 5631 | WARN_ON_ONCE(i != mvmvif->deflink.ap_sta_id && !sta->tdls); |
a0f6bf2a | 5632 | |
d49394a1 | 5633 | if (drop) { |
f9084775 | 5634 | if (iwl_mvm_flush_sta(mvm, mvmsta, false)) |
d49394a1 SS |
5635 | IWL_ERR(mvm, "flush request fail\n"); |
5636 | } else { | |
d6d517b7 SS |
5637 | if (iwl_mvm_has_new_tx_api(mvm)) |
5638 | iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); | |
f7bd883b JB |
5639 | else /* only used for !iwl_mvm_has_new_tx_api() below */ |
5640 | msk |= mvmsta->tfd_queue_msk; | |
d49394a1 | 5641 | } |
480acbce | 5642 | } |
c5b0e7c0 | 5643 | |
d49394a1 | 5644 | mutex_unlock(&mvm->mutex); |
4e6c48e0 | 5645 | |
d49394a1 SS |
5646 | /* this can take a while, and we may need/want other operations |
5647 | * to succeed while doing this, so do it without the mutex held | |
5648 | */ | |
d6d517b7 | 5649 | if (!drop && !iwl_mvm_has_new_tx_api(mvm)) |
a1a57877 | 5650 | iwl_trans_wait_tx_queues_empty(mvm->trans, msk); |
c5b0e7c0 EG |
5651 | } |
5652 | ||
cbce62a3 MK |
5653 | int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, |
5654 | struct survey_info *survey) | |
91a8bcde JB |
5655 | { |
5656 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
5657 | int ret; | |
5658 | ||
5659 | memset(survey, 0, sizeof(*survey)); | |
5660 | ||
5661 | /* only support global statistics right now */ | |
5662 | if (idx != 0) | |
5663 | return -ENOENT; | |
5664 | ||
280a3efa JB |
5665 | if (!fw_has_capa(&mvm->fw->ucode_capa, |
5666 | IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) | |
91a8bcde JB |
5667 | return -ENOENT; |
5668 | ||
5669 | mutex_lock(&mvm->mutex); | |
5670 | ||
aab6930d | 5671 | if (iwl_mvm_firmware_running(mvm)) { |
33cef925 | 5672 | ret = iwl_mvm_request_statistics(mvm, false); |
91a8bcde JB |
5673 | if (ret) |
5674 | goto out; | |
5675 | } | |
5676 | ||
5677 | survey->filled = SURVEY_INFO_TIME | | |
5678 | SURVEY_INFO_TIME_RX | | |
5679 | SURVEY_INFO_TIME_TX | | |
5680 | SURVEY_INFO_TIME_SCAN; | |
5681 | survey->time = mvm->accu_radio_stats.on_time_rf + | |
5682 | mvm->radio_stats.on_time_rf; | |
5683 | do_div(survey->time, USEC_PER_MSEC); | |
5684 | ||
5685 | survey->time_rx = mvm->accu_radio_stats.rx_time + | |
5686 | mvm->radio_stats.rx_time; | |
5687 | do_div(survey->time_rx, USEC_PER_MSEC); | |
5688 | ||
5689 | survey->time_tx = mvm->accu_radio_stats.tx_time + | |
5690 | mvm->radio_stats.tx_time; | |
5691 | do_div(survey->time_tx, USEC_PER_MSEC); | |
5692 | ||
5693 | survey->time_scan = mvm->accu_radio_stats.on_time_scan + | |
5694 | mvm->radio_stats.on_time_scan; | |
5695 | do_div(survey->time_scan, USEC_PER_MSEC); | |
5696 | ||
10a7c028 | 5697 | ret = 0; |
91a8bcde JB |
5698 | out: |
5699 | mutex_unlock(&mvm->mutex); | |
5700 | return ret; | |
5701 | } | |
5702 | ||
ed780545 JB |
5703 | static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo) |
5704 | { | |
82cdbd11 | 5705 | u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK; |
7138763e | 5706 | u32 gi_ltf; |
82cdbd11 MK |
5707 | |
5708 | switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { | |
ed780545 JB |
5709 | case RATE_MCS_CHAN_WIDTH_20: |
5710 | rinfo->bw = RATE_INFO_BW_20; | |
5711 | break; | |
5712 | case RATE_MCS_CHAN_WIDTH_40: | |
5713 | rinfo->bw = RATE_INFO_BW_40; | |
5714 | break; | |
5715 | case RATE_MCS_CHAN_WIDTH_80: | |
5716 | rinfo->bw = RATE_INFO_BW_80; | |
5717 | break; | |
5718 | case RATE_MCS_CHAN_WIDTH_160: | |
5719 | rinfo->bw = RATE_INFO_BW_160; | |
5720 | break; | |
23dcee94 JB |
5721 | case RATE_MCS_CHAN_WIDTH_320: |
5722 | rinfo->bw = RATE_INFO_BW_320; | |
5723 | break; | |
ed780545 JB |
5724 | } |
5725 | ||
82cdbd11 MK |
5726 | if (format == RATE_MCS_CCK_MSK || |
5727 | format == RATE_MCS_LEGACY_OFDM_MSK) { | |
5728 | int rate = u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK); | |
5729 | ||
5730 | /* add the offset needed to get to the legacy ofdm indices */ | |
5731 | if (format == RATE_MCS_LEGACY_OFDM_MSK) | |
5732 | rate += IWL_FIRST_OFDM_RATE; | |
5733 | ||
5734 | switch (rate) { | |
5735 | case IWL_RATE_1M_INDEX: | |
5736 | rinfo->legacy = 10; | |
5737 | break; | |
5738 | case IWL_RATE_2M_INDEX: | |
5739 | rinfo->legacy = 20; | |
5740 | break; | |
5741 | case IWL_RATE_5M_INDEX: | |
5742 | rinfo->legacy = 55; | |
5743 | break; | |
5744 | case IWL_RATE_11M_INDEX: | |
5745 | rinfo->legacy = 110; | |
5746 | break; | |
5747 | case IWL_RATE_6M_INDEX: | |
5748 | rinfo->legacy = 60; | |
5749 | break; | |
5750 | case IWL_RATE_9M_INDEX: | |
5751 | rinfo->legacy = 90; | |
5752 | break; | |
5753 | case IWL_RATE_12M_INDEX: | |
5754 | rinfo->legacy = 120; | |
5755 | break; | |
5756 | case IWL_RATE_18M_INDEX: | |
5757 | rinfo->legacy = 180; | |
5758 | break; | |
5759 | case IWL_RATE_24M_INDEX: | |
5760 | rinfo->legacy = 240; | |
5761 | break; | |
5762 | case IWL_RATE_36M_INDEX: | |
5763 | rinfo->legacy = 360; | |
5764 | break; | |
5765 | case IWL_RATE_48M_INDEX: | |
5766 | rinfo->legacy = 480; | |
5767 | break; | |
5768 | case IWL_RATE_54M_INDEX: | |
5769 | rinfo->legacy = 540; | |
5770 | } | |
5771 | return; | |
5772 | } | |
5773 | ||
5774 | rinfo->nss = u32_get_bits(rate_n_flags, | |
5775 | RATE_MCS_NSS_MSK) + 1; | |
5776 | rinfo->mcs = format == RATE_MCS_HT_MSK ? | |
5777 | RATE_HT_MCS_INDEX(rate_n_flags) : | |
5778 | u32_get_bits(rate_n_flags, RATE_MCS_CODE_MSK); | |
5779 | ||
7138763e JB |
5780 | if (rate_n_flags & RATE_MCS_SGI_MSK) |
5781 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
5782 | ||
5783 | switch (format) { | |
23dcee94 JB |
5784 | case RATE_MCS_EHT_MSK: |
5785 | /* TODO: GI/LTF/RU. How does the firmware encode them? */ | |
5786 | rinfo->flags |= RATE_INFO_FLAGS_EHT_MCS; | |
5787 | break; | |
7138763e JB |
5788 | case RATE_MCS_HE_MSK: |
5789 | gi_ltf = u32_get_bits(rate_n_flags, RATE_MCS_HE_GI_LTF_MSK); | |
ed780545 JB |
5790 | |
5791 | rinfo->flags |= RATE_INFO_FLAGS_HE_MCS; | |
ed780545 | 5792 | |
82cdbd11 | 5793 | if (rate_n_flags & RATE_MCS_HE_106T_MSK) { |
ed780545 JB |
5794 | rinfo->bw = RATE_INFO_BW_HE_RU; |
5795 | rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106; | |
5796 | } | |
5797 | ||
82cdbd11 MK |
5798 | switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) { |
5799 | case RATE_MCS_HE_TYPE_SU: | |
5800 | case RATE_MCS_HE_TYPE_EXT_SU: | |
ed780545 JB |
5801 | if (gi_ltf == 0 || gi_ltf == 1) |
5802 | rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; | |
5803 | else if (gi_ltf == 2) | |
5804 | rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; | |
82cdbd11 | 5805 | else if (gi_ltf == 3) |
ed780545 | 5806 | rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; |
82cdbd11 MK |
5807 | else |
5808 | rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; | |
ed780545 | 5809 | break; |
82cdbd11 | 5810 | case RATE_MCS_HE_TYPE_MU: |
ed780545 JB |
5811 | if (gi_ltf == 0 || gi_ltf == 1) |
5812 | rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; | |
5813 | else if (gi_ltf == 2) | |
5814 | rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; | |
5815 | else | |
5816 | rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; | |
5817 | break; | |
82cdbd11 | 5818 | case RATE_MCS_HE_TYPE_TRIG: |
ed780545 JB |
5819 | if (gi_ltf == 0 || gi_ltf == 1) |
5820 | rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; | |
5821 | else | |
5822 | rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; | |
5823 | break; | |
5824 | } | |
5825 | ||
5826 | if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK) | |
5827 | rinfo->he_dcm = 1; | |
7138763e JB |
5828 | break; |
5829 | case RATE_MCS_HT_MSK: | |
82cdbd11 | 5830 | rinfo->flags |= RATE_INFO_FLAGS_MCS; |
7138763e JB |
5831 | break; |
5832 | case RATE_MCS_VHT_MSK: | |
82cdbd11 | 5833 | rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; |
7138763e | 5834 | break; |
ed780545 JB |
5835 | } |
5836 | } | |
5837 | ||
cbce62a3 MK |
5838 | void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, |
5839 | struct ieee80211_vif *vif, | |
5840 | struct ieee80211_sta *sta, | |
5841 | struct station_info *sinfo) | |
33cef925 JB |
5842 | { |
5843 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
5844 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
5845 | struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); | |
5846 | ||
c8ee33e1 GG |
5847 | if (mvmsta->deflink.avg_energy) { |
5848 | sinfo->signal_avg = -(s8)mvmsta->deflink.avg_energy; | |
22d0d2fa | 5849 | sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); |
988b5968 SS |
5850 | } |
5851 | ||
ed780545 | 5852 | if (iwl_mvm_has_tlc_offload(mvm)) { |
c8ee33e1 | 5853 | struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->deflink.lq_sta.rs_fw; |
ed780545 JB |
5854 | |
5855 | iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate); | |
5856 | sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); | |
5857 | } | |
5858 | ||
33cef925 JB |
5859 | /* if beacon filtering isn't on mac80211 does it anyway */ |
5860 | if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) | |
5861 | return; | |
5862 | ||
f276e20b | 5863 | if (!vif->cfg.assoc) |
33cef925 JB |
5864 | return; |
5865 | ||
5866 | mutex_lock(&mvm->mutex); | |
5867 | ||
c8ee33e1 | 5868 | if (mvmvif->deflink.ap_sta_id != mvmsta->deflink.sta_id) |
33cef925 JB |
5869 | goto unlock; |
5870 | ||
5871 | if (iwl_mvm_request_statistics(mvm, false)) | |
5872 | goto unlock; | |
5873 | ||
650cadb7 GG |
5874 | sinfo->rx_beacon = mvmvif->deflink.beacon_stats.num_beacons + |
5875 | mvmvif->deflink.beacon_stats.accu_num_beacons; | |
22d0d2fa | 5876 | sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); |
650cadb7 | 5877 | if (mvmvif->deflink.beacon_stats.avg_signal) { |
33cef925 | 5878 | /* firmware only reports a value after RXing a few beacons */ |
650cadb7 GG |
5879 | sinfo->rx_beacon_signal_avg = |
5880 | mvmvif->deflink.beacon_stats.avg_signal; | |
22d0d2fa | 5881 | sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); |
33cef925 JB |
5882 | } |
5883 | unlock: | |
5884 | mutex_unlock(&mvm->mutex); | |
5885 | } | |
5886 | ||
119c2a13 MG |
5887 | static void iwl_mvm_event_mlme_callback_ini(struct iwl_mvm *mvm, |
5888 | struct ieee80211_vif *vif, | |
5889 | const struct ieee80211_mlme_event *mlme) | |
5890 | { | |
1a81bddf MG |
5891 | if ((mlme->data == ASSOC_EVENT || mlme->data == AUTH_EVENT) && |
5892 | (mlme->status == MLME_DENIED || mlme->status == MLME_TIMEOUT)) { | |
119c2a13 MG |
5893 | iwl_dbg_tlv_time_point(&mvm->fwrt, |
5894 | IWL_FW_INI_TIME_POINT_ASSOC_FAILED, | |
5895 | NULL); | |
5896 | return; | |
5897 | } | |
5898 | ||
119c2a13 MG |
5899 | if (mlme->data == DEAUTH_RX_EVENT || mlme->data == DEAUTH_TX_EVENT) { |
5900 | iwl_dbg_tlv_time_point(&mvm->fwrt, | |
5901 | IWL_FW_INI_TIME_POINT_DEASSOC, | |
5902 | NULL); | |
5903 | return; | |
5904 | } | |
5905 | } | |
5906 | ||
4203263d EG |
5907 | static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, |
5908 | struct ieee80211_vif *vif, | |
5909 | const struct ieee80211_event *event) | |
d42f5350 | 5910 | { |
7174beb6 JB |
5911 | #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ |
5912 | do { \ | |
5913 | if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ | |
5914 | break; \ | |
5915 | iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ | |
d42f5350 EG |
5916 | } while (0) |
5917 | ||
d42f5350 EG |
5918 | struct iwl_fw_dbg_trigger_tlv *trig; |
5919 | struct iwl_fw_dbg_trigger_mlme *trig_mlme; | |
d42f5350 | 5920 | |
119c2a13 MG |
5921 | if (iwl_trans_dbg_ini_valid(mvm->trans)) { |
5922 | iwl_mvm_event_mlme_callback_ini(mvm, vif, &event->u.mlme); | |
5923 | return; | |
5924 | } | |
5925 | ||
6c042d75 SS |
5926 | trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), |
5927 | FW_DBG_TRIGGER_MLME); | |
5928 | if (!trig) | |
d42f5350 EG |
5929 | return; |
5930 | ||
d42f5350 | 5931 | trig_mlme = (void *)trig->data; |
d42f5350 | 5932 | |
d42f5350 EG |
5933 | if (event->u.mlme.data == ASSOC_EVENT) { |
5934 | if (event->u.mlme.status == MLME_DENIED) | |
4c324a51 | 5935 | CHECK_MLME_TRIGGER(stop_assoc_denied, |
d42f5350 EG |
5936 | "DENIED ASSOC: reason %d", |
5937 | event->u.mlme.reason); | |
5938 | else if (event->u.mlme.status == MLME_TIMEOUT) | |
4c324a51 | 5939 | CHECK_MLME_TRIGGER(stop_assoc_timeout, |
d42f5350 EG |
5940 | "ASSOC TIMEOUT"); |
5941 | } else if (event->u.mlme.data == AUTH_EVENT) { | |
5942 | if (event->u.mlme.status == MLME_DENIED) | |
4c324a51 | 5943 | CHECK_MLME_TRIGGER(stop_auth_denied, |
d42f5350 EG |
5944 | "DENIED AUTH: reason %d", |
5945 | event->u.mlme.reason); | |
5946 | else if (event->u.mlme.status == MLME_TIMEOUT) | |
4c324a51 | 5947 | CHECK_MLME_TRIGGER(stop_auth_timeout, |
d42f5350 EG |
5948 | "AUTH TIMEOUT"); |
5949 | } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { | |
4c324a51 | 5950 | CHECK_MLME_TRIGGER(stop_rx_deauth, |
d42f5350 EG |
5951 | "DEAUTH RX %d", event->u.mlme.reason); |
5952 | } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { | |
4c324a51 | 5953 | CHECK_MLME_TRIGGER(stop_tx_deauth, |
d42f5350 EG |
5954 | "DEAUTH TX %d", event->u.mlme.reason); |
5955 | } | |
5956 | #undef CHECK_MLME_TRIGGER | |
5957 | } | |
5958 | ||
4203263d EG |
5959 | static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, |
5960 | struct ieee80211_vif *vif, | |
5961 | const struct ieee80211_event *event) | |
5962 | { | |
5963 | struct iwl_fw_dbg_trigger_tlv *trig; | |
5964 | struct iwl_fw_dbg_trigger_ba *ba_trig; | |
5965 | ||
6c042d75 SS |
5966 | trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), |
5967 | FW_DBG_TRIGGER_BA); | |
5968 | if (!trig) | |
4203263d EG |
5969 | return; |
5970 | ||
4203263d | 5971 | ba_trig = (void *)trig->data; |
4203263d EG |
5972 | |
5973 | if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) | |
5974 | return; | |
5975 | ||
7174beb6 JB |
5976 | iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, |
5977 | "BAR received from %pM, tid %d, ssn %d", | |
5978 | event->u.ba.sta->addr, event->u.ba.tid, | |
5979 | event->u.ba.ssn); | |
4203263d EG |
5980 | } |
5981 | ||
cbce62a3 MK |
5982 | void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, |
5983 | struct ieee80211_vif *vif, | |
5984 | const struct ieee80211_event *event) | |
4203263d EG |
5985 | { |
5986 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
5987 | ||
5988 | switch (event->type) { | |
5989 | case MLME_EVENT: | |
5990 | iwl_mvm_event_mlme_callback(mvm, vif, event); | |
5991 | break; | |
5992 | case BAR_RX_EVENT: | |
5993 | iwl_mvm_event_bar_rx_callback(mvm, vif, event); | |
5994 | break; | |
5995 | case BA_FRAME_TIMEOUT: | |
528a542a EG |
5996 | iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, |
5997 | event->u.ba.tid); | |
4203263d EG |
5998 | break; |
5999 | default: | |
6000 | break; | |
6001 | } | |
6002 | } | |
6003 | ||
d0ff5d22 | 6004 | void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, |
5e1688ce JB |
6005 | enum iwl_mvm_rxq_notif_type type, |
6006 | bool sync, | |
6007 | const void *data, u32 size) | |
0636b938 | 6008 | { |
5e1688ce JB |
6009 | struct { |
6010 | struct iwl_rxq_sync_cmd cmd; | |
6011 | struct iwl_mvm_internal_rxq_notif notif; | |
6012 | } __packed cmd = { | |
6013 | .cmd.rxq_mask = cpu_to_le32(BIT(mvm->trans->num_rx_queues) - 1), | |
6014 | .cmd.count = | |
6015 | cpu_to_le32(sizeof(struct iwl_mvm_internal_rxq_notif) + | |
6016 | size), | |
6017 | .notif.type = type, | |
6018 | .notif.sync = sync, | |
6019 | }; | |
6020 | struct iwl_host_cmd hcmd = { | |
6021 | .id = WIDE_ID(DATA_PATH_GROUP, TRIGGER_RX_QUEUES_NOTIF_CMD), | |
6022 | .data[0] = &cmd, | |
6023 | .len[0] = sizeof(cmd), | |
6024 | .data[1] = data, | |
6025 | .len[1] = size, | |
6026 | .flags = sync ? 0 : CMD_ASYNC, | |
6027 | }; | |
0636b938 SS |
6028 | int ret; |
6029 | ||
5e1688ce JB |
6030 | /* size must be a multiple of DWORD */ |
6031 | if (WARN_ON(cmd.cmd.count & cpu_to_le32(3))) | |
6032 | return; | |
0636b938 | 6033 | |
cb8550e1 | 6034 | if (!iwl_mvm_has_new_rx_api(mvm)) |
0636b938 SS |
6035 | return; |
6036 | ||
5e1688ce JB |
6037 | if (sync) { |
6038 | cmd.notif.cookie = mvm->queue_sync_cookie; | |
2f7a04c7 | 6039 | mvm->queue_sync_state = (1 << mvm->trans->num_rx_queues) - 1; |
a2113cc4 | 6040 | } |
0636b938 | 6041 | |
5e1688ce | 6042 | ret = iwl_mvm_send_cmd(mvm, &hcmd); |
0636b938 SS |
6043 | if (ret) { |
6044 | IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); | |
6045 | goto out; | |
6046 | } | |
d0ff5d22 | 6047 | |
5e1688ce | 6048 | if (sync) { |
3c514bf8 | 6049 | lockdep_assert_held(&mvm->mutex); |
3a732c65 | 6050 | ret = wait_event_timeout(mvm->rx_sync_waitq, |
2f7a04c7 | 6051 | READ_ONCE(mvm->queue_sync_state) == 0 || |
6ad04359 | 6052 | iwl_mvm_is_radio_killed(mvm), |
d0ff5d22 | 6053 | HZ); |
2f7a04c7 JB |
6054 | WARN_ONCE(!ret && !iwl_mvm_is_radio_killed(mvm), |
6055 | "queue sync: failed to sync, state is 0x%lx\n", | |
6056 | mvm->queue_sync_state); | |
6ad04359 | 6057 | } |
0636b938 SS |
6058 | |
6059 | out: | |
5e1688ce | 6060 | if (sync) { |
5f8a3561 | 6061 | mvm->queue_sync_state = 0; |
a2113cc4 | 6062 | mvm->queue_sync_cookie++; |
5f8a3561 | 6063 | } |
0636b938 SS |
6064 | } |
6065 | ||
cbce62a3 | 6066 | void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) |
0636b938 SS |
6067 | { |
6068 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
6069 | ||
6070 | mutex_lock(&mvm->mutex); | |
5e1688ce | 6071 | iwl_mvm_sync_rx_queues_internal(mvm, IWL_MVM_RXQ_EMPTY, true, NULL, 0); |
0636b938 SS |
6072 | mutex_unlock(&mvm->mutex); |
6073 | } | |
6074 | ||
cbce62a3 | 6075 | int |
b73f9a4a JB |
6076 | iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw, |
6077 | struct ieee80211_vif *vif, | |
6078 | struct cfg80211_ftm_responder_stats *stats) | |
6079 | { | |
6080 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
6081 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
6082 | ||
6083 | if (vif->p2p || vif->type != NL80211_IFTYPE_AP || | |
6084 | !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder) | |
6085 | return -EINVAL; | |
6086 | ||
6087 | mutex_lock(&mvm->mutex); | |
6088 | *stats = mvm->ftm_resp_stats; | |
6089 | mutex_unlock(&mvm->mutex); | |
6090 | ||
6091 | stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) | | |
6092 | BIT(NL80211_FTM_STATS_PARTIAL_NUM) | | |
6093 | BIT(NL80211_FTM_STATS_FAILED_NUM) | | |
6094 | BIT(NL80211_FTM_STATS_ASAP_NUM) | | |
6095 | BIT(NL80211_FTM_STATS_NON_ASAP_NUM) | | |
6096 | BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) | | |
6097 | BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) | | |
6098 | BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) | | |
6099 | BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM); | |
6100 | ||
6101 | return 0; | |
6102 | } | |
6103 | ||
cbce62a3 MK |
6104 | int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
6105 | struct cfg80211_pmsr_request *request) | |
fc36ffda JB |
6106 | { |
6107 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
6108 | int ret; | |
6109 | ||
6110 | mutex_lock(&mvm->mutex); | |
6111 | ret = iwl_mvm_ftm_start(mvm, vif, request); | |
6112 | mutex_unlock(&mvm->mutex); | |
6113 | ||
6114 | return ret; | |
6115 | } | |
6116 | ||
cbce62a3 MK |
6117 | void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
6118 | struct cfg80211_pmsr_request *request) | |
fc36ffda JB |
6119 | { |
6120 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
6121 | ||
6122 | mutex_lock(&mvm->mutex); | |
6123 | iwl_mvm_ftm_abort(mvm, request); | |
6124 | mutex_unlock(&mvm->mutex); | |
6125 | } | |
6126 | ||
438af969 SS |
6127 | static bool iwl_mvm_can_hw_csum(struct sk_buff *skb) |
6128 | { | |
6129 | u8 protocol = ip_hdr(skb)->protocol; | |
6130 | ||
6131 | if (!IS_ENABLED(CONFIG_INET)) | |
6132 | return false; | |
6133 | ||
6134 | return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; | |
6135 | } | |
6136 | ||
6137 | static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw, | |
6138 | struct sk_buff *head, | |
6139 | struct sk_buff *skb) | |
6140 | { | |
6141 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
6142 | ||
0792df68 JB |
6143 | if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) |
6144 | return iwl_mvm_tx_csum_bz(mvm, head, true) == | |
6145 | iwl_mvm_tx_csum_bz(mvm, skb, true); | |
6146 | ||
438af969 SS |
6147 | /* For now don't aggregate IPv6 in AMSDU */ |
6148 | if (skb->protocol != htons(ETH_P_IP)) | |
6149 | return false; | |
6150 | ||
6151 | if (!iwl_mvm_is_csum_supported(mvm)) | |
6152 | return true; | |
6153 | ||
6154 | return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); | |
6155 | } | |
6156 | ||
be8897e2 AS |
6157 | int iwl_mvm_set_hw_timestamp(struct ieee80211_hw *hw, |
6158 | struct ieee80211_vif *vif, | |
6159 | struct cfg80211_set_hw_timestamp *hwts) | |
cf85123a AS |
6160 | { |
6161 | struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); | |
6162 | u32 protocols = 0; | |
6163 | int ret; | |
6164 | ||
6165 | /* HW timestamping is only supported for a specific station */ | |
6166 | if (!hwts->macaddr) | |
6167 | return -EOPNOTSUPP; | |
6168 | ||
6169 | if (hwts->enable) | |
6170 | protocols = | |
6171 | IWL_TIME_SYNC_PROTOCOL_TM | IWL_TIME_SYNC_PROTOCOL_FTM; | |
6172 | ||
6173 | mutex_lock(&mvm->mutex); | |
6174 | ret = iwl_mvm_time_sync_config(mvm, hwts->macaddr, protocols); | |
6175 | mutex_unlock(&mvm->mutex); | |
6176 | ||
6177 | return ret; | |
6178 | } | |
6179 | ||
e5209263 | 6180 | const struct ieee80211_ops iwl_mvm_hw_ops = { |
8ca151b5 | 6181 | .tx = iwl_mvm_mac_tx, |
cfbc6c4c | 6182 | .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, |
8ca151b5 | 6183 | .ampdu_action = iwl_mvm_mac_ampdu_action, |
e8503aec | 6184 | .get_antenna = iwl_mvm_op_get_antenna, |
8ca151b5 | 6185 | .start = iwl_mvm_mac_start, |
cf2c92d8 | 6186 | .reconfig_complete = iwl_mvm_mac_reconfig_complete, |
8ca151b5 JB |
6187 | .stop = iwl_mvm_mac_stop, |
6188 | .add_interface = iwl_mvm_mac_add_interface, | |
6189 | .remove_interface = iwl_mvm_mac_remove_interface, | |
6190 | .config = iwl_mvm_mac_config, | |
e59647ea | 6191 | .prepare_multicast = iwl_mvm_prepare_multicast, |
8ca151b5 | 6192 | .configure_filter = iwl_mvm_configure_filter, |
effd1929 | 6193 | .config_iface_filter = iwl_mvm_config_iface_filter, |
8ca151b5 JB |
6194 | .bss_info_changed = iwl_mvm_bss_info_changed, |
6195 | .hw_scan = iwl_mvm_mac_hw_scan, | |
6196 | .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, | |
1ddbbb0c | 6197 | .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, |
8ca151b5 JB |
6198 | .sta_state = iwl_mvm_mac_sta_state, |
6199 | .sta_notify = iwl_mvm_mac_sta_notify, | |
6200 | .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, | |
3e56eadf | 6201 | .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, |
8ca151b5 | 6202 | .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, |
1f3b0ff8 | 6203 | .sta_rc_update = iwl_mvm_sta_rc_update, |
8ca151b5 JB |
6204 | .conf_tx = iwl_mvm_mac_conf_tx, |
6205 | .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, | |
6b1259d1 | 6206 | .mgd_complete_tx = iwl_mvm_mac_mgd_complete_tx, |
07ecd897 | 6207 | .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, |
c5b0e7c0 | 6208 | .flush = iwl_mvm_mac_flush, |
35a000b7 DS |
6209 | .sched_scan_start = iwl_mvm_mac_sched_scan_start, |
6210 | .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, | |
8ca151b5 JB |
6211 | .set_key = iwl_mvm_mac_set_key, |
6212 | .update_tkip_key = iwl_mvm_mac_update_tkip_key, | |
6213 | .remain_on_channel = iwl_mvm_roc, | |
6214 | .cancel_remain_on_channel = iwl_mvm_cancel_roc, | |
8ca151b5 JB |
6215 | .add_chanctx = iwl_mvm_add_chanctx, |
6216 | .remove_chanctx = iwl_mvm_remove_chanctx, | |
6217 | .change_chanctx = iwl_mvm_change_chanctx, | |
6218 | .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, | |
6219 | .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, | |
b08c1d97 | 6220 | .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, |
8ca151b5 | 6221 | |
ae7ba17b ST |
6222 | .start_ap = iwl_mvm_start_ap, |
6223 | .stop_ap = iwl_mvm_stop_ap, | |
6224 | .join_ibss = iwl_mvm_start_ibss, | |
6225 | .leave_ibss = iwl_mvm_stop_ibss, | |
8ca151b5 | 6226 | |
2f0282db JB |
6227 | .tx_last_beacon = iwl_mvm_tx_last_beacon, |
6228 | ||
8ca151b5 JB |
6229 | .set_tim = iwl_mvm_set_tim, |
6230 | ||
622e3f9b | 6231 | .channel_switch = iwl_mvm_channel_switch, |
f028905c | 6232 | .pre_channel_switch = iwl_mvm_pre_channel_switch, |
f6c34820 | 6233 | .post_channel_switch = iwl_mvm_post_channel_switch, |
79221126 | 6234 | .abort_channel_switch = iwl_mvm_abort_channel_switch, |
c37763d2 | 6235 | .channel_switch_rx_beacon = iwl_mvm_channel_switch_rx_beacon, |
bd3398e2 | 6236 | |
1d3c3f63 AN |
6237 | .tdls_channel_switch = iwl_mvm_tdls_channel_switch, |
6238 | .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, | |
6239 | .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, | |
6240 | ||
d42f5350 EG |
6241 | .event_callback = iwl_mvm_mac_event_callback, |
6242 | ||
0636b938 SS |
6243 | .sync_rx_queues = iwl_mvm_sync_rx_queues, |
6244 | ||
507cadf2 DS |
6245 | CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) |
6246 | ||
8ca151b5 JB |
6247 | #ifdef CONFIG_PM_SLEEP |
6248 | /* look at d3.c */ | |
6249 | .suspend = iwl_mvm_suspend, | |
6250 | .resume = iwl_mvm_resume, | |
6251 | .set_wakeup = iwl_mvm_set_wakeup, | |
6252 | .set_rekey_data = iwl_mvm_set_rekey_data, | |
6253 | #if IS_ENABLED(CONFIG_IPV6) | |
6254 | .ipv6_addr_change = iwl_mvm_ipv6_addr_change, | |
6255 | #endif | |
6256 | .set_default_unicast_key = iwl_mvm_set_default_unicast_key, | |
6257 | #endif | |
91a8bcde | 6258 | .get_survey = iwl_mvm_mac_get_survey, |
33cef925 | 6259 | .sta_statistics = iwl_mvm_mac_sta_statistics, |
b73f9a4a | 6260 | .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats, |
fc36ffda JB |
6261 | .start_pmsr = iwl_mvm_start_pmsr, |
6262 | .abort_pmsr = iwl_mvm_abort_pmsr, | |
b73f9a4a | 6263 | |
438af969 | 6264 | .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, |
177a11cf GG |
6265 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
6266 | .sta_add_debugfs = iwl_mvm_sta_add_debugfs, | |
6267 | #endif | |
cf85123a | 6268 | .set_hw_timestamp = iwl_mvm_set_hw_timestamp, |
8ca151b5 | 6269 | }; |