1e705c121SKalle Valo /****************************************************************************** 2e705c121SKalle Valo * 3e705c121SKalle Valo * This file is provided under a dual BSD/GPLv2 license. When using or 4e705c121SKalle Valo * redistributing this file, you may do so under either license. 5e705c121SKalle Valo * 6e705c121SKalle Valo * GPL LICENSE SUMMARY 7e705c121SKalle Valo * 8e705c121SKalle Valo * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 926d6c16bSSara Sharon * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 1026d6c16bSSara Sharon * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 11c37763d2SSara Sharon * Copyright(c) 2018 - 2019 Intel Corporation 12e705c121SKalle Valo * 13e705c121SKalle Valo * This program is free software; you can redistribute it and/or modify 14e705c121SKalle Valo * it under the terms of version 2 of the GNU General Public License as 15e705c121SKalle Valo * published by the Free Software Foundation. 16e705c121SKalle Valo * 17e705c121SKalle Valo * This program is distributed in the hope that it will be useful, but 18e705c121SKalle Valo * WITHOUT ANY WARRANTY; without even the implied warranty of 19e705c121SKalle Valo * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20e705c121SKalle Valo * General Public License for more details. 21e705c121SKalle Valo * 22e705c121SKalle Valo * The full GNU General Public License is included in this distribution 23e705c121SKalle Valo * in the file called COPYING. 24e705c121SKalle Valo * 25e705c121SKalle Valo * Contact Information: 26cb2f8277SEmmanuel Grumbach * Intel Linux Wireless <linuxwifi@intel.com> 27e705c121SKalle Valo * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 28e705c121SKalle Valo * 29e705c121SKalle Valo * BSD LICENSE 30e705c121SKalle Valo * 31e705c121SKalle Valo * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 3226d6c16bSSara Sharon * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 3326d6c16bSSara Sharon * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 34c37763d2SSara Sharon * Copyright(c) 2018 - 2019 Intel Corporation 35e705c121SKalle Valo * All rights reserved. 36e705c121SKalle Valo * 37e705c121SKalle Valo * Redistribution and use in source and binary forms, with or without 38e705c121SKalle Valo * modification, are permitted provided that the following conditions 39e705c121SKalle Valo * are met: 40e705c121SKalle Valo * 41e705c121SKalle Valo * * Redistributions of source code must retain the above copyright 42e705c121SKalle Valo * notice, this list of conditions and the following disclaimer. 43e705c121SKalle Valo * * Redistributions in binary form must reproduce the above copyright 44e705c121SKalle Valo * notice, this list of conditions and the following disclaimer in 45e705c121SKalle Valo * the documentation and/or other materials provided with the 46e705c121SKalle Valo * distribution. 47e705c121SKalle Valo * * Neither the name Intel Corporation nor the names of its 48e705c121SKalle Valo * contributors may be used to endorse or promote products derived 49e705c121SKalle Valo * from this software without specific prior written permission. 50e705c121SKalle Valo * 51e705c121SKalle Valo * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 52e705c121SKalle Valo * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 53e705c121SKalle Valo * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 54e705c121SKalle Valo * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 55e705c121SKalle Valo * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 56e705c121SKalle Valo * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 57e705c121SKalle Valo * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 58e705c121SKalle Valo * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 59e705c121SKalle Valo * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 60e705c121SKalle Valo * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 61e705c121SKalle Valo * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 62e705c121SKalle Valo * 63e705c121SKalle Valo *****************************************************************************/ 64e705c121SKalle Valo #include <linux/kernel.h> 65e705c121SKalle Valo #include <linux/slab.h> 66e705c121SKalle Valo #include <linux/skbuff.h> 67e705c121SKalle Valo #include <linux/netdevice.h> 68e705c121SKalle Valo #include <linux/etherdevice.h> 69e705c121SKalle Valo #include <linux/ip.h> 70e705c121SKalle Valo #include <linux/if_arp.h> 712f89a5d7SGolan Ben-Ami #include <linux/time.h> 72e705c121SKalle Valo #include <net/mac80211.h> 73e705c121SKalle Valo #include <net/ieee80211_radiotap.h> 74e705c121SKalle Valo #include <net/tcp.h> 75e705c121SKalle Valo 76e705c121SKalle Valo #include "iwl-op-mode.h" 77e705c121SKalle Valo #include "iwl-io.h" 78e705c121SKalle Valo #include "mvm.h" 79e705c121SKalle Valo #include "sta.h" 80e705c121SKalle Valo #include "time-event.h" 81e705c121SKalle Valo #include "iwl-eeprom-parse.h" 82e705c121SKalle Valo #include "iwl-phy-db.h" 83e705c121SKalle Valo #include "testmode.h" 84d962f9b1SJohannes Berg #include "fw/error-dump.h" 85e705c121SKalle Valo #include "iwl-prph.h" 86e705c121SKalle Valo #include "iwl-nvm-parse.h" 87e705c121SKalle Valo 88e705c121SKalle Valo static const struct ieee80211_iface_limit iwl_mvm_limits[] = { 89e705c121SKalle Valo { 90e705c121SKalle Valo .max = 1, 91e705c121SKalle Valo .types = BIT(NL80211_IFTYPE_STATION), 92e705c121SKalle Valo }, 93e705c121SKalle Valo { 94e705c121SKalle Valo .max = 1, 95e705c121SKalle Valo .types = BIT(NL80211_IFTYPE_AP) | 96e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT) | 97e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_GO), 98e705c121SKalle Valo }, 99e705c121SKalle Valo { 100e705c121SKalle Valo .max = 1, 101e705c121SKalle Valo .types = BIT(NL80211_IFTYPE_P2P_DEVICE), 102e705c121SKalle Valo }, 103e705c121SKalle Valo }; 104e705c121SKalle Valo 105e705c121SKalle Valo static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = { 106e705c121SKalle Valo { 107e705c121SKalle Valo .num_different_channels = 2, 108e705c121SKalle Valo .max_interfaces = 3, 109e705c121SKalle Valo .limits = iwl_mvm_limits, 110e705c121SKalle Valo .n_limits = ARRAY_SIZE(iwl_mvm_limits), 111e705c121SKalle Valo }, 112e705c121SKalle Valo }; 113e705c121SKalle Valo 114e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 115e705c121SKalle Valo /* 116e705c121SKalle Valo * Use the reserved field to indicate magic values. 117e705c121SKalle Valo * these values will only be used internally by the driver, 118e705c121SKalle Valo * and won't make it to the fw (reserved will be 0). 119e705c121SKalle Valo * BC_FILTER_MAGIC_IP - configure the val of this attribute to 120e705c121SKalle Valo * be the vif's ip address. in case there is not a single 121e705c121SKalle Valo * ip address (0, or more than 1), this attribute will 122e705c121SKalle Valo * be skipped. 123e705c121SKalle Valo * BC_FILTER_MAGIC_MAC - set the val of this attribute to 124e705c121SKalle Valo * the LSB bytes of the vif's mac address 125e705c121SKalle Valo */ 126e705c121SKalle Valo enum { 127e705c121SKalle Valo BC_FILTER_MAGIC_NONE = 0, 128e705c121SKalle Valo BC_FILTER_MAGIC_IP, 129e705c121SKalle Valo BC_FILTER_MAGIC_MAC, 130e705c121SKalle Valo }; 131e705c121SKalle Valo 132e705c121SKalle Valo static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = { 133e705c121SKalle Valo { 134e705c121SKalle Valo /* arp */ 135e705c121SKalle Valo .discard = 0, 136e705c121SKalle Valo .frame_type = BCAST_FILTER_FRAME_TYPE_ALL, 137e705c121SKalle Valo .attrs = { 138e705c121SKalle Valo { 139e705c121SKalle Valo /* frame type - arp, hw type - ethernet */ 140e705c121SKalle Valo .offset_type = 141e705c121SKalle Valo BCAST_FILTER_OFFSET_PAYLOAD_START, 142e705c121SKalle Valo .offset = sizeof(rfc1042_header), 143e705c121SKalle Valo .val = cpu_to_be32(0x08060001), 144e705c121SKalle Valo .mask = cpu_to_be32(0xffffffff), 145e705c121SKalle Valo }, 146e705c121SKalle Valo { 147e705c121SKalle Valo /* arp dest ip */ 148e705c121SKalle Valo .offset_type = 149e705c121SKalle Valo BCAST_FILTER_OFFSET_PAYLOAD_START, 150e705c121SKalle Valo .offset = sizeof(rfc1042_header) + 2 + 151e705c121SKalle Valo sizeof(struct arphdr) + 152e705c121SKalle Valo ETH_ALEN + sizeof(__be32) + 153e705c121SKalle Valo ETH_ALEN, 154e705c121SKalle Valo .mask = cpu_to_be32(0xffffffff), 155e705c121SKalle Valo /* mark it as special field */ 156e705c121SKalle Valo .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_IP), 157e705c121SKalle Valo }, 158e705c121SKalle Valo }, 159e705c121SKalle Valo }, 160e705c121SKalle Valo { 161e705c121SKalle Valo /* dhcp offer bcast */ 162e705c121SKalle Valo .discard = 0, 163e705c121SKalle Valo .frame_type = BCAST_FILTER_FRAME_TYPE_IPV4, 164e705c121SKalle Valo .attrs = { 165e705c121SKalle Valo { 166e705c121SKalle Valo /* udp dest port - 68 (bootp client)*/ 167e705c121SKalle Valo .offset_type = BCAST_FILTER_OFFSET_IP_END, 168e705c121SKalle Valo .offset = offsetof(struct udphdr, dest), 169e705c121SKalle Valo .val = cpu_to_be32(0x00440000), 170e705c121SKalle Valo .mask = cpu_to_be32(0xffff0000), 171e705c121SKalle Valo }, 172e705c121SKalle Valo { 173e705c121SKalle Valo /* dhcp - lsb bytes of client hw address */ 174e705c121SKalle Valo .offset_type = BCAST_FILTER_OFFSET_IP_END, 175e705c121SKalle Valo .offset = 38, 176e705c121SKalle Valo .mask = cpu_to_be32(0xffffffff), 177e705c121SKalle Valo /* mark it as special field */ 178e705c121SKalle Valo .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_MAC), 179e705c121SKalle Valo }, 180e705c121SKalle Valo }, 181e705c121SKalle Valo }, 182e705c121SKalle Valo /* last filter must be empty */ 183e705c121SKalle Valo {}, 184e705c121SKalle Valo }; 185e705c121SKalle Valo #endif 186e705c121SKalle Valo 187fc36ffdaSJohannes Berg static const struct cfg80211_pmsr_capabilities iwl_mvm_pmsr_capa = { 188fc36ffdaSJohannes Berg .max_peers = IWL_MVM_TOF_MAX_APS, 189fc36ffdaSJohannes Berg .report_ap_tsf = 1, 190fc36ffdaSJohannes Berg .randomize_mac_addr = 1, 191fc36ffdaSJohannes Berg 192fc36ffdaSJohannes Berg .ftm = { 193fc36ffdaSJohannes Berg .supported = 1, 194fc36ffdaSJohannes Berg .asap = 1, 195fc36ffdaSJohannes Berg .non_asap = 1, 196fc36ffdaSJohannes Berg .request_lci = 1, 197fc36ffdaSJohannes Berg .request_civicloc = 1, 198fc36ffdaSJohannes Berg .max_bursts_exponent = -1, /* all supported */ 199fc36ffdaSJohannes Berg .max_ftms_per_burst = 0, /* no limits */ 200fc36ffdaSJohannes Berg .bandwidths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 201fc36ffdaSJohannes Berg BIT(NL80211_CHAN_WIDTH_20) | 202fc36ffdaSJohannes Berg BIT(NL80211_CHAN_WIDTH_40) | 203fc36ffdaSJohannes Berg BIT(NL80211_CHAN_WIDTH_80), 204fc36ffdaSJohannes Berg .preambles = BIT(NL80211_PREAMBLE_LEGACY) | 205fc36ffdaSJohannes Berg BIT(NL80211_PREAMBLE_HT) | 206fc36ffdaSJohannes Berg BIT(NL80211_PREAMBLE_VHT), 207fc36ffdaSJohannes Berg }, 208fc36ffdaSJohannes Berg }; 209fc36ffdaSJohannes Berg 210c56e00a3SJohannes Berg static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 211c56e00a3SJohannes Berg enum set_key_cmd cmd, 212c56e00a3SJohannes Berg struct ieee80211_vif *vif, 213c56e00a3SJohannes Berg struct ieee80211_sta *sta, 214c56e00a3SJohannes Berg struct ieee80211_key_conf *key); 215c56e00a3SJohannes Berg 216e705c121SKalle Valo void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) 217e705c121SKalle Valo { 218e705c121SKalle Valo if (!iwl_mvm_is_d0i3_supported(mvm)) 219e705c121SKalle Valo return; 220e705c121SKalle Valo 221e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "Take mvm reference - type %d\n", ref_type); 222e705c121SKalle Valo spin_lock_bh(&mvm->refs_lock); 223e705c121SKalle Valo mvm->refs[ref_type]++; 224e705c121SKalle Valo spin_unlock_bh(&mvm->refs_lock); 225e705c121SKalle Valo iwl_trans_ref(mvm->trans); 226e705c121SKalle Valo } 227e705c121SKalle Valo 228e705c121SKalle Valo void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) 229e705c121SKalle Valo { 230e705c121SKalle Valo if (!iwl_mvm_is_d0i3_supported(mvm)) 231e705c121SKalle Valo return; 232e705c121SKalle Valo 233e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "Leave mvm reference - type %d\n", ref_type); 234e705c121SKalle Valo spin_lock_bh(&mvm->refs_lock); 23516c45822SSara Sharon if (WARN_ON(!mvm->refs[ref_type])) { 23616c45822SSara Sharon spin_unlock_bh(&mvm->refs_lock); 23716c45822SSara Sharon return; 23816c45822SSara Sharon } 23916c45822SSara Sharon mvm->refs[ref_type]--; 240e705c121SKalle Valo spin_unlock_bh(&mvm->refs_lock); 241e705c121SKalle Valo iwl_trans_unref(mvm->trans); 242e705c121SKalle Valo } 243e705c121SKalle Valo 244e705c121SKalle Valo static void iwl_mvm_unref_all_except(struct iwl_mvm *mvm, 245e705c121SKalle Valo enum iwl_mvm_ref_type except_ref) 246e705c121SKalle Valo { 247e705c121SKalle Valo int i, j; 248e705c121SKalle Valo 249e705c121SKalle Valo if (!iwl_mvm_is_d0i3_supported(mvm)) 250e705c121SKalle Valo return; 251e705c121SKalle Valo 252e705c121SKalle Valo spin_lock_bh(&mvm->refs_lock); 253e705c121SKalle Valo for (i = 0; i < IWL_MVM_REF_COUNT; i++) { 254e705c121SKalle Valo if (except_ref == i || !mvm->refs[i]) 255e705c121SKalle Valo continue; 256e705c121SKalle Valo 257e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d (%d)\n", 258e705c121SKalle Valo i, mvm->refs[i]); 259e705c121SKalle Valo for (j = 0; j < mvm->refs[i]; j++) 260e705c121SKalle Valo iwl_trans_unref(mvm->trans); 261e705c121SKalle Valo mvm->refs[i] = 0; 262e705c121SKalle Valo } 263e705c121SKalle Valo spin_unlock_bh(&mvm->refs_lock); 264e705c121SKalle Valo } 265e705c121SKalle Valo 266e705c121SKalle Valo bool iwl_mvm_ref_taken(struct iwl_mvm *mvm) 267e705c121SKalle Valo { 268e705c121SKalle Valo int i; 269e705c121SKalle Valo bool taken = false; 270e705c121SKalle Valo 271e705c121SKalle Valo if (!iwl_mvm_is_d0i3_supported(mvm)) 272e705c121SKalle Valo return true; 273e705c121SKalle Valo 274e705c121SKalle Valo spin_lock_bh(&mvm->refs_lock); 275e705c121SKalle Valo for (i = 0; i < IWL_MVM_REF_COUNT; i++) { 276e705c121SKalle Valo if (mvm->refs[i]) { 277e705c121SKalle Valo taken = true; 278e705c121SKalle Valo break; 279e705c121SKalle Valo } 280e705c121SKalle Valo } 281e705c121SKalle Valo spin_unlock_bh(&mvm->refs_lock); 282e705c121SKalle Valo 283e705c121SKalle Valo return taken; 284e705c121SKalle Valo } 285e705c121SKalle Valo 286e705c121SKalle Valo int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) 287e705c121SKalle Valo { 288e705c121SKalle Valo iwl_mvm_ref(mvm, ref_type); 289e705c121SKalle Valo 290e705c121SKalle Valo if (!wait_event_timeout(mvm->d0i3_exit_waitq, 291e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status), 292e705c121SKalle Valo HZ)) { 293e705c121SKalle Valo WARN_ON_ONCE(1); 294e705c121SKalle Valo iwl_mvm_unref(mvm, ref_type); 295e705c121SKalle Valo return -EIO; 296e705c121SKalle Valo } 297e705c121SKalle Valo 298e705c121SKalle Valo return 0; 299e705c121SKalle Valo } 300e705c121SKalle Valo 301e705c121SKalle Valo static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm) 302e705c121SKalle Valo { 303e705c121SKalle Valo int i; 304e705c121SKalle Valo 305e705c121SKalle Valo memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts)); 306e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) { 307e705c121SKalle Valo mvm->phy_ctxts[i].id = i; 308e705c121SKalle Valo mvm->phy_ctxts[i].ref = 0; 309e705c121SKalle Valo } 310e705c121SKalle Valo } 311e705c121SKalle Valo 312e705c121SKalle Valo struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, 313e705c121SKalle Valo const char *alpha2, 314e705c121SKalle Valo enum iwl_mcc_source src_id, 315e705c121SKalle Valo bool *changed) 316e705c121SKalle Valo { 317e705c121SKalle Valo struct ieee80211_regdomain *regd = NULL; 318e705c121SKalle Valo struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 319e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 320e705c121SKalle Valo struct iwl_mcc_update_resp *resp; 321e705c121SKalle Valo 322e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2); 323e705c121SKalle Valo 324e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 325e705c121SKalle Valo 326e705c121SKalle Valo resp = iwl_mvm_update_mcc(mvm, alpha2, src_id); 327e705c121SKalle Valo if (IS_ERR_OR_NULL(resp)) { 328e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n", 329e705c121SKalle Valo PTR_ERR_OR_ZERO(resp)); 330e705c121SKalle Valo goto out; 331e705c121SKalle Valo } 332e705c121SKalle Valo 33382715ac7SEmmanuel Grumbach if (changed) { 33482715ac7SEmmanuel Grumbach u32 status = le32_to_cpu(resp->status); 33582715ac7SEmmanuel Grumbach 33682715ac7SEmmanuel Grumbach *changed = (status == MCC_RESP_NEW_CHAN_PROFILE || 33782715ac7SEmmanuel Grumbach status == MCC_RESP_ILLEGAL); 33882715ac7SEmmanuel Grumbach } 339e705c121SKalle Valo 340e705c121SKalle Valo regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg, 341e705c121SKalle Valo __le32_to_cpu(resp->n_channels), 342e705c121SKalle Valo resp->channels, 34377e30e10SHaim Dreyfuss __le16_to_cpu(resp->mcc), 34477e30e10SHaim Dreyfuss __le16_to_cpu(resp->geo_info)); 345e705c121SKalle Valo /* Store the return source id */ 346e705c121SKalle Valo src_id = resp->source_id; 347e705c121SKalle Valo kfree(resp); 348e705c121SKalle Valo if (IS_ERR_OR_NULL(regd)) { 349e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n", 350e705c121SKalle Valo PTR_ERR_OR_ZERO(regd)); 351e705c121SKalle Valo goto out; 352e705c121SKalle Valo } 353e705c121SKalle Valo 354e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n", 355e705c121SKalle Valo regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id); 356e705c121SKalle Valo mvm->lar_regdom_set = true; 357e705c121SKalle Valo mvm->mcc_src = src_id; 358e705c121SKalle Valo 359e705c121SKalle Valo out: 360e705c121SKalle Valo return regd; 361e705c121SKalle Valo } 362e705c121SKalle Valo 363e705c121SKalle Valo void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm) 364e705c121SKalle Valo { 365e705c121SKalle Valo bool changed; 366e705c121SKalle Valo struct ieee80211_regdomain *regd; 367e705c121SKalle Valo 368e705c121SKalle Valo if (!iwl_mvm_is_lar_supported(mvm)) 369e705c121SKalle Valo return; 370e705c121SKalle Valo 371e705c121SKalle Valo regd = iwl_mvm_get_current_regdomain(mvm, &changed); 372e705c121SKalle Valo if (!IS_ERR_OR_NULL(regd)) { 373e705c121SKalle Valo /* only update the regulatory core if changed */ 374e705c121SKalle Valo if (changed) 375e705c121SKalle Valo regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); 376e705c121SKalle Valo 377e705c121SKalle Valo kfree(regd); 378e705c121SKalle Valo } 379e705c121SKalle Valo } 380e705c121SKalle Valo 381e705c121SKalle Valo struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 382e705c121SKalle Valo bool *changed) 383e705c121SKalle Valo { 384e705c121SKalle Valo return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ", 385e705c121SKalle Valo iwl_mvm_is_wifi_mcc_supported(mvm) ? 386e705c121SKalle Valo MCC_SOURCE_GET_CURRENT : 387e705c121SKalle Valo MCC_SOURCE_OLD_FW, changed); 388e705c121SKalle Valo } 389e705c121SKalle Valo 390e705c121SKalle Valo int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm) 391e705c121SKalle Valo { 392e705c121SKalle Valo enum iwl_mcc_source used_src; 393e705c121SKalle Valo struct ieee80211_regdomain *regd; 394e705c121SKalle Valo int ret; 395e705c121SKalle Valo bool changed; 396e705c121SKalle Valo const struct ieee80211_regdomain *r = 397e705c121SKalle Valo rtnl_dereference(mvm->hw->wiphy->regd); 398e705c121SKalle Valo 399e705c121SKalle Valo if (!r) 400e705c121SKalle Valo return -ENOENT; 401e705c121SKalle Valo 402e705c121SKalle Valo /* save the last source in case we overwrite it below */ 403e705c121SKalle Valo used_src = mvm->mcc_src; 404e705c121SKalle Valo if (iwl_mvm_is_wifi_mcc_supported(mvm)) { 405e705c121SKalle Valo /* Notify the firmware we support wifi location updates */ 406e705c121SKalle Valo regd = iwl_mvm_get_current_regdomain(mvm, NULL); 407e705c121SKalle Valo if (!IS_ERR_OR_NULL(regd)) 408e705c121SKalle Valo kfree(regd); 409e705c121SKalle Valo } 410e705c121SKalle Valo 411e705c121SKalle Valo /* Now set our last stored MCC and source */ 412e705c121SKalle Valo regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src, 413e705c121SKalle Valo &changed); 414e705c121SKalle Valo if (IS_ERR_OR_NULL(regd)) 415e705c121SKalle Valo return -EIO; 416e705c121SKalle Valo 417e705c121SKalle Valo /* update cfg80211 if the regdomain was changed */ 418e705c121SKalle Valo if (changed) 419e705c121SKalle Valo ret = regulatory_set_wiphy_regd_sync_rtnl(mvm->hw->wiphy, regd); 420e705c121SKalle Valo else 421e705c121SKalle Valo ret = 0; 422e705c121SKalle Valo 423e705c121SKalle Valo kfree(regd); 424e705c121SKalle Valo return ret; 425e705c121SKalle Valo } 426e705c121SKalle Valo 4277360f99eSEmmanuel Grumbach const static u8 he_if_types_ext_capa_sta[] = { 4287360f99eSEmmanuel Grumbach [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 429918cbf39SSara Sharon [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT, 4307360f99eSEmmanuel Grumbach [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, 4317360f99eSEmmanuel Grumbach [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, 4327360f99eSEmmanuel Grumbach }; 4337360f99eSEmmanuel Grumbach 4347360f99eSEmmanuel Grumbach const static struct wiphy_iftype_ext_capab he_iftypes_ext_capa[] = { 4357360f99eSEmmanuel Grumbach { 4367360f99eSEmmanuel Grumbach .iftype = NL80211_IFTYPE_STATION, 4377360f99eSEmmanuel Grumbach .extended_capabilities = he_if_types_ext_capa_sta, 4387360f99eSEmmanuel Grumbach .extended_capabilities_mask = he_if_types_ext_capa_sta, 4397360f99eSEmmanuel Grumbach .extended_capabilities_len = sizeof(he_if_types_ext_capa_sta), 4407360f99eSEmmanuel Grumbach }, 4417360f99eSEmmanuel Grumbach }; 4427360f99eSEmmanuel Grumbach 443e705c121SKalle Valo int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) 444e705c121SKalle Valo { 445e705c121SKalle Valo struct ieee80211_hw *hw = mvm->hw; 446e705c121SKalle Valo int num_mac, ret, i; 447e705c121SKalle Valo static const u32 mvm_ciphers[] = { 448e705c121SKalle Valo WLAN_CIPHER_SUITE_WEP40, 449e705c121SKalle Valo WLAN_CIPHER_SUITE_WEP104, 450e705c121SKalle Valo WLAN_CIPHER_SUITE_TKIP, 451e705c121SKalle Valo WLAN_CIPHER_SUITE_CCMP, 452e705c121SKalle Valo }; 4533f37c229SIdo Yariv #ifdef CONFIG_PM_SLEEP 4543f37c229SIdo Yariv bool unified = fw_has_capa(&mvm->fw->ucode_capa, 4553f37c229SIdo Yariv IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); 4563f37c229SIdo Yariv #endif 457e705c121SKalle Valo 458e705c121SKalle Valo /* Tell mac80211 our characteristics */ 459e705c121SKalle Valo ieee80211_hw_set(hw, SIGNAL_DBM); 460e705c121SKalle Valo ieee80211_hw_set(hw, SPECTRUM_MGMT); 461e705c121SKalle Valo ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 462e705c121SKalle Valo ieee80211_hw_set(hw, WANT_MONITOR_VIF); 463e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_PS); 464e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 465e705c121SKalle Valo ieee80211_hw_set(hw, AMPDU_AGGREGATION); 466e705c121SKalle Valo ieee80211_hw_set(hw, TIMING_BEACON_ONLY); 467e705c121SKalle Valo ieee80211_hw_set(hw, CONNECTION_MONITOR); 468e705c121SKalle Valo ieee80211_hw_set(hw, CHANCTX_STA_CSA); 469e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 470e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); 471909ddf0bSJohannes Berg ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 47230433d3bSJohannes Berg ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); 473d270e7b8SIlan Peer ieee80211_hw_set(hw, DEAUTH_NEED_MGD_TX_PREP); 474520229e4SShaul Triebitz ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); 475cfbc6c4cSSara Sharon ieee80211_hw_set(hw, BUFF_MMPDU_TXQ); 476cfbc6c4cSSara Sharon ieee80211_hw_set(hw, STA_MMPDU_TXQ); 477cfb21b11SJohannes Berg /* 478cfb21b11SJohannes Berg * On older devices, enabling TX A-MSDU occasionally leads to 479cfb21b11SJohannes Berg * something getting messed up, the command read from the FIFO 480cfb21b11SJohannes Berg * gets out of sync and isn't a TX command, so that we have an 481cfb21b11SJohannes Berg * assert EDC. 482cfb21b11SJohannes Berg * 483cfb21b11SJohannes Berg * It's not clear where the bug is, but since we didn't used to 484cfb21b11SJohannes Berg * support A-MSDU until moving the mac80211 iTXQs, just leave it 485cfb21b11SJohannes Berg * for older devices. We also don't see this issue on any newer 486cfb21b11SJohannes Berg * devices. 487cfb21b11SJohannes Berg */ 488cfb21b11SJohannes Berg if (mvm->cfg->device_family >= IWL_DEVICE_FAMILY_9000) 489438af969SSara Sharon ieee80211_hw_set(hw, TX_AMSDU); 490438af969SSara Sharon ieee80211_hw_set(hw, TX_FRAG_LIST); 491ecaf71deSGregory Greenman 4924243edb4SEmmanuel Grumbach if (iwl_mvm_has_tlc_offload(mvm)) { 493ecaf71deSGregory Greenman ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); 494ecaf71deSGregory Greenman ieee80211_hw_set(hw, HAS_RATE_CONTROL); 495ecaf71deSGregory Greenman } 496ecaf71deSGregory Greenman 497b915c101SSara Sharon if (iwl_mvm_has_new_rx_api(mvm)) 498b915c101SSara Sharon ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); 499960f864bSJohannes Berg 500960f864bSJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 501960f864bSJohannes Berg IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) { 50265e25482SJohannes Berg ieee80211_hw_set(hw, AP_LINK_PS); 503960f864bSJohannes Berg } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) { 504960f864bSJohannes Berg /* 505960f864bSJohannes Berg * we absolutely need this for the new TX API since that comes 506960f864bSJohannes Berg * with many more queues than the current code can deal with 507960f864bSJohannes Berg * for station powersave 508960f864bSJohannes Berg */ 509960f864bSJohannes Berg return -EINVAL; 510960f864bSJohannes Berg } 511e705c121SKalle Valo 51280938abcSJohannes Berg if (mvm->trans->num_rx_queues > 1) 51380938abcSJohannes Berg ieee80211_hw_set(hw, USES_RSS); 51480938abcSJohannes Berg 5152d7cf549SJohannes Berg if (mvm->trans->max_skb_frags) 5162d7cf549SJohannes Berg hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; 5172d7cf549SJohannes Berg 518cf961e16SLiad Kaufman hw->queues = IEEE80211_MAX_QUEUES; 519e705c121SKalle Valo hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; 520e705c121SKalle Valo hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | 521e705c121SKalle Valo IEEE80211_RADIOTAP_MCS_HAVE_STBC; 522e705c121SKalle Valo hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | 523e705c121SKalle Valo IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; 524371a17edSJohannes Berg 525371a17edSJohannes Berg hw->radiotap_timestamp.units_pos = 526371a17edSJohannes Berg IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | 527371a17edSJohannes Berg IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; 528371a17edSJohannes Berg /* this is the case for CCK frames, it's better (only 8) for OFDM */ 529371a17edSJohannes Berg hw->radiotap_timestamp.accuracy = 22; 530371a17edSJohannes Berg 5314243edb4SEmmanuel Grumbach if (!iwl_mvm_has_tlc_offload(mvm)) 5329f66a397SGregory Greenman hw->rate_control_algorithm = RS_NAME; 5339f66a397SGregory Greenman 534e705c121SKalle Valo hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; 535e705c121SKalle Valo hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; 536438af969SSara Sharon hw->max_tx_fragments = mvm->trans->max_skb_frags; 537e705c121SKalle Valo 5388e160ab8SAyala Beker BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); 539e705c121SKalle Valo memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); 540e705c121SKalle Valo hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); 541e705c121SKalle Valo hw->wiphy->cipher_suites = mvm->ciphers; 542e705c121SKalle Valo 5432a53d166SAyala Beker if (iwl_mvm_has_new_rx_api(mvm)) { 5442a53d166SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 5452a53d166SAyala Beker WLAN_CIPHER_SUITE_GCMP; 5462a53d166SAyala Beker hw->wiphy->n_cipher_suites++; 5472a53d166SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 5482a53d166SAyala Beker WLAN_CIPHER_SUITE_GCMP_256; 5492a53d166SAyala Beker hw->wiphy->n_cipher_suites++; 5502a53d166SAyala Beker } 5512a53d166SAyala Beker 5524b87e5afSLuca Coelho /* Enable 11w if software crypto is not enabled (as the 5534b87e5afSLuca Coelho * firmware will interpret some mgmt packets, so enabling it 5544b87e5afSLuca Coelho * with software crypto isn't safe). 555e705c121SKalle Valo */ 5563b37f4c9SJohannes Berg if (!iwlwifi_mod_params.swcrypto) { 557e705c121SKalle Valo ieee80211_hw_set(hw, MFP_CAPABLE); 558e705c121SKalle Valo mvm->ciphers[hw->wiphy->n_cipher_suites] = 559e705c121SKalle Valo WLAN_CIPHER_SUITE_AES_CMAC; 560e705c121SKalle Valo hw->wiphy->n_cipher_suites++; 5618e160ab8SAyala Beker if (iwl_mvm_has_new_rx_api(mvm)) { 5628e160ab8SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 5638e160ab8SAyala Beker WLAN_CIPHER_SUITE_BIP_GMAC_128; 5648e160ab8SAyala Beker hw->wiphy->n_cipher_suites++; 5658e160ab8SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 5668e160ab8SAyala Beker WLAN_CIPHER_SUITE_BIP_GMAC_256; 5678e160ab8SAyala Beker hw->wiphy->n_cipher_suites++; 5688e160ab8SAyala Beker } 569e705c121SKalle Valo } 570e705c121SKalle Valo 571e705c121SKalle Valo /* currently FW API supports only one optional cipher scheme */ 572e705c121SKalle Valo if (mvm->fw->cs[0].cipher) { 57324ddddf3SJohannes Berg const struct iwl_fw_cipher_scheme *fwcs = &mvm->fw->cs[0]; 57424ddddf3SJohannes Berg struct ieee80211_cipher_scheme *cs = &mvm->cs[0]; 57524ddddf3SJohannes Berg 576e705c121SKalle Valo mvm->hw->n_cipher_schemes = 1; 57724ddddf3SJohannes Berg 57824ddddf3SJohannes Berg cs->cipher = le32_to_cpu(fwcs->cipher); 57924ddddf3SJohannes Berg cs->iftype = BIT(NL80211_IFTYPE_STATION); 58024ddddf3SJohannes Berg cs->hdr_len = fwcs->hdr_len; 58124ddddf3SJohannes Berg cs->pn_len = fwcs->pn_len; 58224ddddf3SJohannes Berg cs->pn_off = fwcs->pn_off; 58324ddddf3SJohannes Berg cs->key_idx_off = fwcs->key_idx_off; 58424ddddf3SJohannes Berg cs->key_idx_mask = fwcs->key_idx_mask; 58524ddddf3SJohannes Berg cs->key_idx_shift = fwcs->key_idx_shift; 58624ddddf3SJohannes Berg cs->mic_len = fwcs->mic_len; 58724ddddf3SJohannes Berg 58824ddddf3SJohannes Berg mvm->hw->cipher_schemes = mvm->cs; 58924ddddf3SJohannes Berg mvm->ciphers[hw->wiphy->n_cipher_suites] = cs->cipher; 590e705c121SKalle Valo hw->wiphy->n_cipher_suites++; 591e705c121SKalle Valo } 592e705c121SKalle Valo 593b73f9a4aSJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 594fc36ffdaSJohannes Berg IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) { 595b73f9a4aSJohannes Berg wiphy_ext_feature_set(hw->wiphy, 596b73f9a4aSJohannes Berg NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); 597fc36ffdaSJohannes Berg hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa; 598fc36ffdaSJohannes Berg } 599b73f9a4aSJohannes Berg 600e705c121SKalle Valo ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); 601e705c121SKalle Valo hw->wiphy->features |= 602e705c121SKalle Valo NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 603e705c121SKalle Valo NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 604e705c121SKalle Valo NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 605e705c121SKalle Valo 606e705c121SKalle Valo hw->sta_data_size = sizeof(struct iwl_mvm_sta); 607e705c121SKalle Valo hw->vif_data_size = sizeof(struct iwl_mvm_vif); 608e705c121SKalle Valo hw->chanctx_data_size = sizeof(u16); 609cfbc6c4cSSara Sharon hw->txq_data_size = sizeof(struct iwl_mvm_txq); 610e705c121SKalle Valo 611e705c121SKalle Valo hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 612e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT) | 613e705c121SKalle Valo BIT(NL80211_IFTYPE_AP) | 614e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_GO) | 615e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_DEVICE) | 616e705c121SKalle Valo BIT(NL80211_IFTYPE_ADHOC); 617e705c121SKalle Valo 618e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 619e47df5bdSJohannes Berg wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); 620e47df5bdSJohannes Berg hw->wiphy->features |= NL80211_FEATURE_HT_IBSS; 621e47df5bdSJohannes Berg 622e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; 623e705c121SKalle Valo if (iwl_mvm_is_lar_supported(mvm)) 624e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 625e705c121SKalle Valo else 626e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 627e705c121SKalle Valo REGULATORY_DISABLE_BEACON_HINTS; 628e705c121SKalle Valo 629e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 630e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 631e705c121SKalle Valo 632e705c121SKalle Valo hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; 633e705c121SKalle Valo hw->wiphy->n_iface_combinations = 634e705c121SKalle Valo ARRAY_SIZE(iwl_mvm_iface_combinations); 635e705c121SKalle Valo 636e705c121SKalle Valo hw->wiphy->max_remain_on_channel_duration = 10000; 637e705c121SKalle Valo hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; 638e705c121SKalle Valo 639e705c121SKalle Valo /* Extract MAC address */ 640e705c121SKalle Valo memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); 641e705c121SKalle Valo hw->wiphy->addresses = mvm->addresses; 642e705c121SKalle Valo hw->wiphy->n_addresses = 1; 643e705c121SKalle Valo 644e705c121SKalle Valo /* Extract additional MAC addresses if available */ 645e705c121SKalle Valo num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? 646e705c121SKalle Valo min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; 647e705c121SKalle Valo 648e705c121SKalle Valo for (i = 1; i < num_mac; i++) { 649e705c121SKalle Valo memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, 650e705c121SKalle Valo ETH_ALEN); 651e705c121SKalle Valo mvm->addresses[i].addr[5]++; 652e705c121SKalle Valo hw->wiphy->n_addresses++; 653e705c121SKalle Valo } 654e705c121SKalle Valo 655e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 656e705c121SKalle Valo 657e705c121SKalle Valo hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); 658e705c121SKalle Valo 659e705c121SKalle Valo hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; 660e705c121SKalle Valo 661e705c121SKalle Valo BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); 662e705c121SKalle Valo BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || 663e705c121SKalle Valo IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); 664e705c121SKalle Valo 665e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 666e705c121SKalle Valo mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS; 667e705c121SKalle Valo else 668e705c121SKalle Valo mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS; 669e705c121SKalle Valo 67057fbcce3SJohannes Berg if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) 67157fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_2GHZ] = 67257fbcce3SJohannes Berg &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; 67357fbcce3SJohannes Berg if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { 67457fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ] = 67557fbcce3SJohannes Berg &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; 676e705c121SKalle Valo 677e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 678e705c121SKalle Valo IWL_UCODE_TLV_CAPA_BEAMFORMER) && 679e705c121SKalle Valo fw_has_api(&mvm->fw->ucode_capa, 680e705c121SKalle Valo IWL_UCODE_TLV_API_LQ_SS_PARAMS)) 68157fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= 682e705c121SKalle Valo IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; 683e705c121SKalle Valo } 684e705c121SKalle Valo 685e705c121SKalle Valo hw->wiphy->hw_version = mvm->trans->hw_id; 686e705c121SKalle Valo 687e705c121SKalle Valo if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) 688e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; 689e705c121SKalle Valo else 690e705c121SKalle Valo hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 691e705c121SKalle Valo 692ca986ad9SArend Van Spriel hw->wiphy->max_sched_scan_reqs = 1; 693e705c121SKalle Valo hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; 694e705c121SKalle Valo hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES; 695e705c121SKalle Valo /* we create the 802.11 header and zero length SSID IE. */ 696e705c121SKalle Valo hw->wiphy->max_sched_scan_ie_len = 697e705c121SKalle Valo SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; 698e705c121SKalle Valo hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; 699e705c121SKalle Valo hw->wiphy->max_sched_scan_plan_interval = U16_MAX; 700e705c121SKalle Valo 701e705c121SKalle Valo /* 702e705c121SKalle Valo * the firmware uses u8 for num of iterations, but 0xff is saved for 703e705c121SKalle Valo * infinite loop, so the maximum number of iterations is actually 254. 704e705c121SKalle Valo */ 705e705c121SKalle Valo hw->wiphy->max_sched_scan_plan_iterations = 254; 706e705c121SKalle Valo 707e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | 708e705c121SKalle Valo NL80211_FEATURE_LOW_PRIORITY_SCAN | 709e705c121SKalle Valo NL80211_FEATURE_P2P_GO_OPPPS | 710a904a08bSPeer, Ilan NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 711e705c121SKalle Valo NL80211_FEATURE_DYNAMIC_SMPS | 712e705c121SKalle Valo NL80211_FEATURE_STATIC_SMPS | 713e705c121SKalle Valo NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; 714e705c121SKalle Valo 715e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 716e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) 717e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; 718e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 719e705c121SKalle Valo IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) 720e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_QUIET; 721e705c121SKalle Valo 722e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 723e705c121SKalle Valo IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) 724e705c121SKalle Valo hw->wiphy->features |= 725e705c121SKalle Valo NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; 726e705c121SKalle Valo 727e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 728e705c121SKalle Valo IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) 729e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; 730e705c121SKalle Valo 731aacf8f18SAvrahams Stern if (fw_has_api(&mvm->fw->ucode_capa, 732aacf8f18SAvrahams Stern IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { 733aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 734aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_SCAN_START_TIME); 735aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 736aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_BSS_PARENT_TSF); 737aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 738aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_SET_SCAN_DWELL); 739aacf8f18SAvrahams Stern } 740aacf8f18SAvrahams Stern 7418f691af9SZamir, Roee if (iwl_mvm_is_oce_supported(mvm)) { 7428f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 7438f691af9SZamir, Roee NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP); 7448f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 7458f691af9SZamir, Roee NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME); 7468f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 7478f691af9SZamir, Roee NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION); 7488f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 7498f691af9SZamir, Roee NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE); 7508f691af9SZamir, Roee } 7518f691af9SZamir, Roee 7527360f99eSEmmanuel Grumbach if (mvm->nvm_data->sku_cap_11ax_enable && 7537360f99eSEmmanuel Grumbach !iwlwifi_mod_params.disable_11ax) { 7547360f99eSEmmanuel Grumbach hw->wiphy->iftype_ext_capab = he_iftypes_ext_capa; 7557360f99eSEmmanuel Grumbach hw->wiphy->num_iftype_ext_capab = 7567360f99eSEmmanuel Grumbach ARRAY_SIZE(he_iftypes_ext_capa); 757918cbf39SSara Sharon 758918cbf39SSara Sharon ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); 759918cbf39SSara Sharon ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID); 7607360f99eSEmmanuel Grumbach } 7617360f99eSEmmanuel Grumbach 762e705c121SKalle Valo mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; 763e705c121SKalle Valo 764e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 765e705c121SKalle Valo if (iwl_mvm_is_d0i3_supported(mvm) && 766e705c121SKalle Valo device_can_wakeup(mvm->trans->dev)) { 767e705c121SKalle Valo mvm->wowlan.flags = WIPHY_WOWLAN_ANY; 768e705c121SKalle Valo hw->wiphy->wowlan = &mvm->wowlan; 769e705c121SKalle Valo } 770e705c121SKalle Valo 7713f37c229SIdo Yariv if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) && 772e705c121SKalle Valo mvm->trans->ops->d3_suspend && 773e705c121SKalle Valo mvm->trans->ops->d3_resume && 774e705c121SKalle Valo device_can_wakeup(mvm->trans->dev)) { 775e705c121SKalle Valo mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | 776e705c121SKalle Valo WIPHY_WOWLAN_DISCONNECT | 777e705c121SKalle Valo WIPHY_WOWLAN_EAP_IDENTITY_REQ | 778e705c121SKalle Valo WIPHY_WOWLAN_RFKILL_RELEASE | 779e705c121SKalle Valo WIPHY_WOWLAN_NET_DETECT; 7803b37f4c9SJohannes Berg if (!iwlwifi_mod_params.swcrypto) 781e705c121SKalle Valo mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 782e705c121SKalle Valo WIPHY_WOWLAN_GTK_REKEY_FAILURE | 783e705c121SKalle Valo WIPHY_WOWLAN_4WAY_HANDSHAKE; 784e705c121SKalle Valo 785e705c121SKalle Valo mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; 786e705c121SKalle Valo mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; 787e705c121SKalle Valo mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; 788e705c121SKalle Valo mvm->wowlan.max_nd_match_sets = IWL_SCAN_MAX_PROFILES; 789e705c121SKalle Valo hw->wiphy->wowlan = &mvm->wowlan; 790e705c121SKalle Valo } 791e705c121SKalle Valo #endif 792e705c121SKalle Valo 793e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 794e705c121SKalle Valo /* assign default bcast filtering configuration */ 795e705c121SKalle Valo mvm->bcast_filters = iwl_mvm_default_bcast_filters; 796e705c121SKalle Valo #endif 797e705c121SKalle Valo 798e705c121SKalle Valo ret = iwl_mvm_leds_init(mvm); 799e705c121SKalle Valo if (ret) 800e705c121SKalle Valo return ret; 801e705c121SKalle Valo 802e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 803e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { 804e705c121SKalle Valo IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); 805e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 806e705c121SKalle Valo ieee80211_hw_set(hw, TDLS_WIDER_BW); 807e705c121SKalle Valo } 808e705c121SKalle Valo 809e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 810e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { 811e705c121SKalle Valo IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); 812e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 813e705c121SKalle Valo } 814e705c121SKalle Valo 815e705c121SKalle Valo hw->netdev_features |= mvm->cfg->features; 8165e6a98dcSSara Sharon if (!iwl_mvm_is_csum_supported(mvm)) { 8175e6a98dcSSara Sharon hw->netdev_features &= ~(IWL_TX_CSUM_NETIF_FLAGS | 8185e6a98dcSSara Sharon NETIF_F_RXCSUM); 8195e6a98dcSSara Sharon /* We may support SW TX CSUM */ 82041837ca9SEmmanuel Grumbach if (IWL_MVM_SW_TX_CSUM_OFFLOAD) 8215e6a98dcSSara Sharon hw->netdev_features |= IWL_TX_CSUM_NETIF_FLAGS; 8225e6a98dcSSara Sharon } 82341837ca9SEmmanuel Grumbach 82491b08c2dSAviya Erenfeld if (mvm->cfg->vht_mu_mimo_supported) 82591b08c2dSAviya Erenfeld wiphy_ext_feature_set(hw->wiphy, 82691b08c2dSAviya Erenfeld NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); 82791b08c2dSAviya Erenfeld 828de645e89SJohannes Berg ret = ieee80211_register_hw(mvm->hw); 829de645e89SJohannes Berg if (ret) { 830de645e89SJohannes Berg iwl_mvm_leds_exit(mvm); 831e705c121SKalle Valo } 832e705c121SKalle Valo 833e705c121SKalle Valo return ret; 834e705c121SKalle Valo } 835e705c121SKalle Valo 836e705c121SKalle Valo static bool iwl_mvm_defer_tx(struct iwl_mvm *mvm, 837e705c121SKalle Valo struct ieee80211_sta *sta, 838e705c121SKalle Valo struct sk_buff *skb) 839e705c121SKalle Valo { 840e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 841e705c121SKalle Valo bool defer = false; 842e705c121SKalle Valo 843e705c121SKalle Valo /* 844e705c121SKalle Valo * double check the IN_D0I3 flag both before and after 845e705c121SKalle Valo * taking the spinlock, in order to prevent taking 846e705c121SKalle Valo * the spinlock when not needed. 847e705c121SKalle Valo */ 848e705c121SKalle Valo if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))) 849e705c121SKalle Valo return false; 850e705c121SKalle Valo 851e705c121SKalle Valo spin_lock(&mvm->d0i3_tx_lock); 852e705c121SKalle Valo /* 853e705c121SKalle Valo * testing the flag again ensures the skb dequeue 854e705c121SKalle Valo * loop (on d0i3 exit) hasn't run yet. 855e705c121SKalle Valo */ 856e705c121SKalle Valo if (!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)) 857e705c121SKalle Valo goto out; 858e705c121SKalle Valo 859e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_mac80211(sta); 8600ae98812SSara Sharon if (mvmsta->sta_id == IWL_MVM_INVALID_STA || 861e705c121SKalle Valo mvmsta->sta_id != mvm->d0i3_ap_sta_id) 862e705c121SKalle Valo goto out; 863e705c121SKalle Valo 864e705c121SKalle Valo __skb_queue_tail(&mvm->d0i3_tx, skb); 865e705c121SKalle Valo 866e705c121SKalle Valo /* trigger wakeup */ 867e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_TX); 868e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_TX); 869e705c121SKalle Valo 870e705c121SKalle Valo defer = true; 871e705c121SKalle Valo out: 872e705c121SKalle Valo spin_unlock(&mvm->d0i3_tx_lock); 873e705c121SKalle Valo return defer; 874e705c121SKalle Valo } 875e705c121SKalle Valo 876e705c121SKalle Valo static void iwl_mvm_mac_tx(struct ieee80211_hw *hw, 877e705c121SKalle Valo struct ieee80211_tx_control *control, 878e705c121SKalle Valo struct sk_buff *skb) 879e705c121SKalle Valo { 880e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 881e705c121SKalle Valo struct ieee80211_sta *sta = control->sta; 882e705c121SKalle Valo struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 883e705c121SKalle Valo struct ieee80211_hdr *hdr = (void *)skb->data; 884cfbc6c4cSSara Sharon bool offchannel = IEEE80211_SKB_CB(skb)->flags & 885cfbc6c4cSSara Sharon IEEE80211_TX_CTL_TX_OFFCHAN; 886e705c121SKalle Valo 887e705c121SKalle Valo if (iwl_mvm_is_radio_killed(mvm)) { 888e705c121SKalle Valo IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); 889e705c121SKalle Valo goto drop; 890e705c121SKalle Valo } 891e705c121SKalle Valo 892cfbc6c4cSSara Sharon if (offchannel && 893e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) && 894e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) 895e705c121SKalle Valo goto drop; 896e705c121SKalle Valo 897eb045e6eSDavid Spinadel /* treat non-bufferable MMPDUs on AP interfaces as broadcast */ 898eb045e6eSDavid Spinadel if ((info->control.vif->type == NL80211_IFTYPE_AP || 899eb045e6eSDavid Spinadel info->control.vif->type == NL80211_IFTYPE_ADHOC) && 900e705c121SKalle Valo ieee80211_is_mgmt(hdr->frame_control) && 901eb045e6eSDavid Spinadel !ieee80211_is_bufferable_mmpdu(hdr->frame_control)) 902e705c121SKalle Valo sta = NULL; 903e705c121SKalle Valo 904dc1aca22SAndrei Otcheretianski /* If there is no sta, and it's not offchannel - send through AP */ 905cfbc6c4cSSara Sharon if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION && 906cfbc6c4cSSara Sharon !offchannel) { 907dc1aca22SAndrei Otcheretianski struct iwl_mvm_vif *mvmvif = 908dc1aca22SAndrei Otcheretianski iwl_mvm_vif_from_mac80211(info->control.vif); 909dc1aca22SAndrei Otcheretianski u8 ap_sta_id = READ_ONCE(mvmvif->ap_sta_id); 910dc1aca22SAndrei Otcheretianski 911dc1aca22SAndrei Otcheretianski if (ap_sta_id < IWL_MVM_STATION_COUNT) { 912dc1aca22SAndrei Otcheretianski /* mac80211 holds rcu read lock */ 913dc1aca22SAndrei Otcheretianski sta = rcu_dereference(mvm->fw_id_to_mac_id[ap_sta_id]); 914dc1aca22SAndrei Otcheretianski if (IS_ERR_OR_NULL(sta)) 915dc1aca22SAndrei Otcheretianski goto drop; 916dc1aca22SAndrei Otcheretianski } 917dc1aca22SAndrei Otcheretianski } 918dc1aca22SAndrei Otcheretianski 919e705c121SKalle Valo if (sta) { 920e705c121SKalle Valo if (iwl_mvm_defer_tx(mvm, sta, skb)) 921e705c121SKalle Valo return; 922e705c121SKalle Valo if (iwl_mvm_tx_skb(mvm, skb, sta)) 923e705c121SKalle Valo goto drop; 924e705c121SKalle Valo return; 925e705c121SKalle Valo } 926e705c121SKalle Valo 927e705c121SKalle Valo if (iwl_mvm_tx_skb_non_sta(mvm, skb)) 928e705c121SKalle Valo goto drop; 929e705c121SKalle Valo return; 930e705c121SKalle Valo drop: 931e705c121SKalle Valo ieee80211_free_txskb(hw, skb); 932e705c121SKalle Valo } 933e705c121SKalle Valo 934cfbc6c4cSSara Sharon void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq) 935e705c121SKalle Valo { 936cfbc6c4cSSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 937cfbc6c4cSSara Sharon struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 938cfbc6c4cSSara Sharon struct sk_buff *skb = NULL; 939cfbc6c4cSSara Sharon 940fba8248eSSara Sharon /* 941fba8248eSSara Sharon * No need for threads to be pending here, they can leave the first 942fba8248eSSara Sharon * taker all the work. 943fba8248eSSara Sharon * 944fba8248eSSara Sharon * mvmtxq->tx_request logic: 945fba8248eSSara Sharon * 946fba8248eSSara Sharon * If 0, no one is currently TXing, set to 1 to indicate current thread 947fba8248eSSara Sharon * will now start TX and other threads should quit. 948fba8248eSSara Sharon * 949fba8248eSSara Sharon * If 1, another thread is currently TXing, set to 2 to indicate to 950fba8248eSSara Sharon * that thread that there was another request. Since that request may 951fba8248eSSara Sharon * have raced with the check whether the queue is empty, the TXing 952fba8248eSSara Sharon * thread should check the queue's status one more time before leaving. 953fba8248eSSara Sharon * This check is done in order to not leave any TX hanging in the queue 954fba8248eSSara Sharon * until the next TX invocation (which may not even happen). 955fba8248eSSara Sharon * 956fba8248eSSara Sharon * If 2, another thread is currently TXing, and it will already double 957fba8248eSSara Sharon * check the queue, so do nothing. 958fba8248eSSara Sharon */ 959fba8248eSSara Sharon if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2)) 960fba8248eSSara Sharon return; 961cfbc6c4cSSara Sharon 962cfbc6c4cSSara Sharon rcu_read_lock(); 963fba8248eSSara Sharon do { 964cfbc6c4cSSara Sharon while (likely(!mvmtxq->stopped && 965cfbc6c4cSSara Sharon (mvm->trans->system_pm_mode == 966cfbc6c4cSSara Sharon IWL_PLAT_PM_MODE_DISABLED))) { 967cfbc6c4cSSara Sharon skb = ieee80211_tx_dequeue(hw, txq); 968cfbc6c4cSSara Sharon 969f50d693bSSara Sharon if (!skb) { 970f50d693bSSara Sharon if (txq->sta) 971f50d693bSSara Sharon IWL_DEBUG_TX(mvm, 972f50d693bSSara Sharon "TXQ of sta %pM tid %d is now empty\n", 973f50d693bSSara Sharon txq->sta->addr, 974f50d693bSSara Sharon txq->tid); 975cfbc6c4cSSara Sharon break; 976f50d693bSSara Sharon } 977cfbc6c4cSSara Sharon 978cfbc6c4cSSara Sharon if (!txq->sta) 979cfbc6c4cSSara Sharon iwl_mvm_tx_skb_non_sta(mvm, skb); 980cfbc6c4cSSara Sharon else 981cfbc6c4cSSara Sharon iwl_mvm_tx_skb(mvm, skb, txq->sta); 982cfbc6c4cSSara Sharon } 983fba8248eSSara Sharon } while (atomic_dec_return(&mvmtxq->tx_request)); 984cfbc6c4cSSara Sharon rcu_read_unlock(); 985e705c121SKalle Valo } 986e705c121SKalle Valo 987cfbc6c4cSSara Sharon static void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw, 988cfbc6c4cSSara Sharon struct ieee80211_txq *txq) 989e705c121SKalle Valo { 990cfbc6c4cSSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 991cfbc6c4cSSara Sharon struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 992e705c121SKalle Valo 993cfbc6c4cSSara Sharon /* 994cfbc6c4cSSara Sharon * Please note that racing is handled very carefully here: 995cfbc6c4cSSara Sharon * mvmtxq->txq_id is updated during allocation, and mvmtxq->list is 996cfbc6c4cSSara Sharon * deleted afterwards. 997cfbc6c4cSSara Sharon * This means that if: 998cfbc6c4cSSara Sharon * mvmtxq->txq_id != INVALID_QUEUE && list_empty(&mvmtxq->list): 999cfbc6c4cSSara Sharon * queue is allocated and we can TX. 1000cfbc6c4cSSara Sharon * mvmtxq->txq_id != INVALID_QUEUE && !list_empty(&mvmtxq->list): 1001cfbc6c4cSSara Sharon * a race, should defer the frame. 1002cfbc6c4cSSara Sharon * mvmtxq->txq_id == INVALID_QUEUE && list_empty(&mvmtxq->list): 1003cfbc6c4cSSara Sharon * need to allocate the queue and defer the frame. 1004cfbc6c4cSSara Sharon * mvmtxq->txq_id == INVALID_QUEUE && !list_empty(&mvmtxq->list): 1005cfbc6c4cSSara Sharon * queue is already scheduled for allocation, no need to allocate, 1006cfbc6c4cSSara Sharon * should defer the frame. 1007cfbc6c4cSSara Sharon */ 1008cfbc6c4cSSara Sharon 1009cfbc6c4cSSara Sharon /* If the queue is allocated TX and return. */ 1010cfbc6c4cSSara Sharon if (!txq->sta || mvmtxq->txq_id != IWL_MVM_INVALID_QUEUE) { 1011cfbc6c4cSSara Sharon /* 1012cfbc6c4cSSara Sharon * Check that list is empty to avoid a race where txq_id is 1013cfbc6c4cSSara Sharon * already updated, but the queue allocation work wasn't 1014cfbc6c4cSSara Sharon * finished 1015cfbc6c4cSSara Sharon */ 1016cfbc6c4cSSara Sharon if (unlikely(txq->sta && !list_empty(&mvmtxq->list))) 1017cfbc6c4cSSara Sharon return; 1018cfbc6c4cSSara Sharon 1019cfbc6c4cSSara Sharon iwl_mvm_mac_itxq_xmit(hw, txq); 1020cfbc6c4cSSara Sharon return; 1021cfbc6c4cSSara Sharon } 1022cfbc6c4cSSara Sharon 1023cfbc6c4cSSara Sharon /* The list is being deleted only after the queue is fully allocated. */ 1024cfbc6c4cSSara Sharon if (!list_empty(&mvmtxq->list)) 1025cfbc6c4cSSara Sharon return; 1026cfbc6c4cSSara Sharon 1027cfbc6c4cSSara Sharon list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs); 1028cfbc6c4cSSara Sharon schedule_work(&mvm->add_stream_wk); 1029e705c121SKalle Valo } 1030e705c121SKalle Valo 1031e705c121SKalle Valo #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ 1032e705c121SKalle Valo do { \ 1033e705c121SKalle Valo if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ 1034e705c121SKalle Valo break; \ 10357174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ 1036e705c121SKalle Valo } while (0) 1037e705c121SKalle Valo 1038e705c121SKalle Valo static void 1039e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1040e705c121SKalle Valo struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, 1041e705c121SKalle Valo enum ieee80211_ampdu_mlme_action action) 1042e705c121SKalle Valo { 1043e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 1044e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 1045e705c121SKalle Valo 10466c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 10476c042d75SSara Sharon FW_DBG_TRIGGER_BA); 10486c042d75SSara Sharon if (!trig) 1049e705c121SKalle Valo return; 1050e705c121SKalle Valo 1051e705c121SKalle Valo ba_trig = (void *)trig->data; 1052e705c121SKalle Valo 1053e705c121SKalle Valo switch (action) { 1054e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: { 1055e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 1056e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 1057e705c121SKalle Valo 1058e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, 1059e705c121SKalle Valo "TX AGG START: MAC %pM tid %d ssn %d\n", 1060e705c121SKalle Valo sta->addr, tid, tid_data->ssn); 1061e705c121SKalle Valo break; 1062e705c121SKalle Valo } 1063e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 1064e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, 1065e705c121SKalle Valo "TX AGG STOP: MAC %pM tid %d\n", 1066e705c121SKalle Valo sta->addr, tid); 1067e705c121SKalle Valo break; 1068e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 1069e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, 1070e705c121SKalle Valo "RX AGG START: MAC %pM tid %d ssn %d\n", 1071e705c121SKalle Valo sta->addr, tid, rx_ba_ssn); 1072e705c121SKalle Valo break; 1073e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 1074e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, 1075e705c121SKalle Valo "RX AGG STOP: MAC %pM tid %d\n", 1076e705c121SKalle Valo sta->addr, tid); 1077e705c121SKalle Valo break; 1078e705c121SKalle Valo default: 1079e705c121SKalle Valo break; 1080e705c121SKalle Valo } 1081e705c121SKalle Valo } 1082e705c121SKalle Valo 1083e705c121SKalle Valo static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, 1084e705c121SKalle Valo struct ieee80211_vif *vif, 108550ea05efSSara Sharon struct ieee80211_ampdu_params *params) 1086e705c121SKalle Valo { 1087e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1088e705c121SKalle Valo int ret; 1089e705c121SKalle Valo bool tx_agg_ref = false; 109050ea05efSSara Sharon struct ieee80211_sta *sta = params->sta; 109150ea05efSSara Sharon enum ieee80211_ampdu_mlme_action action = params->action; 109250ea05efSSara Sharon u16 tid = params->tid; 109350ea05efSSara Sharon u16 *ssn = ¶ms->ssn; 1094514c3069SLuca Coelho u16 buf_size = params->buf_size; 1095bb81bb68SEmmanuel Grumbach bool amsdu = params->amsdu; 109610b2b201SSara Sharon u16 timeout = params->timeout; 1097e705c121SKalle Valo 1098e705c121SKalle Valo IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", 1099e705c121SKalle Valo sta->addr, tid, action); 1100e705c121SKalle Valo 1101e705c121SKalle Valo if (!(mvm->nvm_data->sku_cap_11n_enable)) 1102e705c121SKalle Valo return -EACCES; 1103e705c121SKalle Valo 1104e705c121SKalle Valo /* return from D0i3 before starting a new Tx aggregation */ 1105e705c121SKalle Valo switch (action) { 1106e705c121SKalle Valo case IEEE80211_AMPDU_TX_START: 1107e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 1108e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH: 1109e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1110e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: 1111e705c121SKalle Valo /* 1112e705c121SKalle Valo * for tx start, wait synchronously until D0i3 exit to 1113e705c121SKalle Valo * get the correct sequence number for the tid. 1114e705c121SKalle Valo * additionally, some other ampdu actions use direct 1115e705c121SKalle Valo * target access, which is not handled automatically 1116e705c121SKalle Valo * by the trans layer (unlike commands), so wait for 1117e705c121SKalle Valo * d0i3 exit in these cases as well. 1118e705c121SKalle Valo */ 1119e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG); 1120e705c121SKalle Valo if (ret) 1121e705c121SKalle Valo return ret; 1122e705c121SKalle Valo 1123e705c121SKalle Valo tx_agg_ref = true; 1124e705c121SKalle Valo break; 1125e705c121SKalle Valo default: 1126e705c121SKalle Valo break; 1127e705c121SKalle Valo } 1128e705c121SKalle Valo 1129e705c121SKalle Valo mutex_lock(&mvm->mutex); 1130e705c121SKalle Valo 1131e705c121SKalle Valo switch (action) { 1132e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 1133b0ffe455SJohannes Berg if (iwl_mvm_vif_from_mac80211(vif)->ap_sta_id == 1134b0ffe455SJohannes Berg iwl_mvm_sta_from_mac80211(sta)->sta_id) { 1135b0ffe455SJohannes Berg struct iwl_mvm_vif *mvmvif; 1136b0ffe455SJohannes Berg u16 macid = iwl_mvm_vif_from_mac80211(vif)->id; 1137b0ffe455SJohannes Berg struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid]; 1138b0ffe455SJohannes Berg 1139b0ffe455SJohannes Berg mdata->opened_rx_ba_sessions = true; 1140b0ffe455SJohannes Berg mvmvif = iwl_mvm_vif_from_mac80211(vif); 1141b0ffe455SJohannes Berg cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk); 1142b0ffe455SJohannes Berg } 1143e78da25eSJohannes Berg if (!iwl_enable_rx_ampdu()) { 1144e705c121SKalle Valo ret = -EINVAL; 1145e705c121SKalle Valo break; 1146e705c121SKalle Valo } 114710b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, 114810b2b201SSara Sharon timeout); 1149e705c121SKalle Valo break; 1150e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 115110b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, 115210b2b201SSara Sharon timeout); 1153e705c121SKalle Valo break; 1154e705c121SKalle Valo case IEEE80211_AMPDU_TX_START: 1155e78da25eSJohannes Berg if (!iwl_enable_tx_ampdu()) { 1156e705c121SKalle Valo ret = -EINVAL; 1157e705c121SKalle Valo break; 1158e705c121SKalle Valo } 1159e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); 1160e705c121SKalle Valo break; 1161e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 1162e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); 1163e705c121SKalle Valo break; 1164e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH: 1165e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1166e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); 1167e705c121SKalle Valo break; 1168e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: 1169bb81bb68SEmmanuel Grumbach ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, 1170bb81bb68SEmmanuel Grumbach buf_size, amsdu); 1171e705c121SKalle Valo break; 1172e705c121SKalle Valo default: 1173e705c121SKalle Valo WARN_ON_ONCE(1); 1174e705c121SKalle Valo ret = -EINVAL; 1175e705c121SKalle Valo break; 1176e705c121SKalle Valo } 1177e705c121SKalle Valo 1178e705c121SKalle Valo if (!ret) { 1179e705c121SKalle Valo u16 rx_ba_ssn = 0; 1180e705c121SKalle Valo 1181e705c121SKalle Valo if (action == IEEE80211_AMPDU_RX_START) 1182e705c121SKalle Valo rx_ba_ssn = *ssn; 1183e705c121SKalle Valo 1184e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, 1185e705c121SKalle Valo rx_ba_ssn, action); 1186e705c121SKalle Valo } 1187e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1188e705c121SKalle Valo 1189e705c121SKalle Valo /* 1190e705c121SKalle Valo * If the tid is marked as started, we won't use it for offloaded 1191e705c121SKalle Valo * traffic on the next D0i3 entry. It's safe to unref. 1192e705c121SKalle Valo */ 1193e705c121SKalle Valo if (tx_agg_ref) 1194e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG); 1195e705c121SKalle Valo 1196e705c121SKalle Valo return ret; 1197e705c121SKalle Valo } 1198e705c121SKalle Valo 1199e705c121SKalle Valo static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, 1200e705c121SKalle Valo struct ieee80211_vif *vif) 1201e705c121SKalle Valo { 1202e705c121SKalle Valo struct iwl_mvm *mvm = data; 1203e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1204e705c121SKalle Valo 1205e705c121SKalle Valo mvmvif->uploaded = false; 12060ae98812SSara Sharon mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; 1207e705c121SKalle Valo 1208e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 1209e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); 1210e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 1211e705c121SKalle Valo 1212e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1213e705c121SKalle Valo memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data)); 121486e177d8SGregory Greenman memset(&mvmvif->probe_resp_data, 0, sizeof(mvmvif->probe_resp_data)); 1215e705c121SKalle Valo } 1216e705c121SKalle Valo 1217e705c121SKalle Valo static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) 1218e705c121SKalle Valo { 1219e705c121SKalle Valo /* cleanup all stale references (scan, roc), but keep the 1220e705c121SKalle Valo * ucode_down ref until reconfig is complete 1221e705c121SKalle Valo */ 1222e705c121SKalle Valo iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN); 1223e705c121SKalle Valo 1224fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1225e705c121SKalle Valo 12269bf13beeSJohannes Berg mvm->cur_aid = 0; 12279bf13beeSJohannes Berg 1228e705c121SKalle Valo mvm->scan_status = 0; 1229e705c121SKalle Valo mvm->ps_disabled = false; 1230b3500b47SEmmanuel Grumbach mvm->rfkill_safe_init_done = false; 1231e705c121SKalle Valo 1232e705c121SKalle Valo /* just in case one was running */ 1233305d236eSEliad Peller iwl_mvm_cleanup_roc_te(mvm); 1234e705c121SKalle Valo ieee80211_remain_on_channel_expired(mvm->hw); 1235e705c121SKalle Valo 1236fc36ffdaSJohannes Berg iwl_mvm_ftm_restart(mvm); 1237fc36ffdaSJohannes Berg 1238e705c121SKalle Valo /* 1239e705c121SKalle Valo * cleanup all interfaces, even inactive ones, as some might have 1240e705c121SKalle Valo * gone down during the HW restart 1241e705c121SKalle Valo */ 1242e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); 1243e705c121SKalle Valo 1244e705c121SKalle Valo mvm->p2p_device_vif = NULL; 12450ae98812SSara Sharon mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA; 1246e705c121SKalle Valo 1247e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 12489c3deeb5SLuca Coelho memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); 1249e705c121SKalle Valo memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); 1250e705c121SKalle Valo memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); 1251e705c121SKalle Valo 1252e705c121SKalle Valo ieee80211_wake_queues(mvm->hw); 1253e705c121SKalle Valo 1254e705c121SKalle Valo /* clear any stale d0i3 state */ 1255e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); 1256e705c121SKalle Valo 1257e705c121SKalle Valo mvm->vif_count = 0; 1258e705c121SKalle Valo mvm->rx_ba_sessions = 0; 12597174beb6SJohannes Berg mvm->fwrt.dump.conf = FW_DBG_INVALID; 1260baf41bc3SShaul Triebitz mvm->monitor_on = false; 1261e705c121SKalle Valo 1262e705c121SKalle Valo /* keep statistics ticking */ 1263e705c121SKalle Valo iwl_mvm_accu_radio_stats(mvm); 1264e705c121SKalle Valo } 1265e705c121SKalle Valo 1266e705c121SKalle Valo int __iwl_mvm_mac_start(struct iwl_mvm *mvm) 1267e705c121SKalle Valo { 1268e705c121SKalle Valo int ret; 1269e705c121SKalle Valo 1270e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1271e705c121SKalle Valo 1272bf8b286fSJohannes Berg if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { 1273bf8b286fSJohannes Berg /* 1274bf8b286fSJohannes Berg * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART 1275bf8b286fSJohannes Berg * so later code will - from now on - see that we're doing it. 1276bf8b286fSJohannes Berg */ 1277bf8b286fSJohannes Berg set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1278bf8b286fSJohannes Berg clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1279e705c121SKalle Valo /* Clean up some internal and mac80211 state on restart */ 1280e705c121SKalle Valo iwl_mvm_restart_cleanup(mvm); 1281a42b2af3SLuca Coelho } else { 1282a42b2af3SLuca Coelho /* Hold the reference to prevent runtime suspend while 1283a42b2af3SLuca Coelho * the start procedure runs. It's a bit confusing 1284a42b2af3SLuca Coelho * that the UCODE_DOWN reference is taken, but it just 1285a42b2af3SLuca Coelho * means "UCODE is not UP yet". ( TODO: rename this 1286a42b2af3SLuca Coelho * reference). 1287a42b2af3SLuca Coelho */ 1288a42b2af3SLuca Coelho iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); 1289a42b2af3SLuca Coelho } 1290e705c121SKalle Valo ret = iwl_mvm_up(mvm); 1291e705c121SKalle Valo 1292da2eb669SSara Sharon iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_POST_INIT); 1293da2eb669SSara Sharon 1294e705c121SKalle Valo if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1295e705c121SKalle Valo /* Something went wrong - we need to finish some cleanup 1296e705c121SKalle Valo * that normally iwl_mvm_mac_restart_complete() below 1297e705c121SKalle Valo * would do. 1298e705c121SKalle Valo */ 1299e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1300a75b9b33SLuca Coelho #ifdef CONFIG_PM 1301e705c121SKalle Valo iwl_mvm_d0i3_enable_tx(mvm, NULL); 1302a75b9b33SLuca Coelho #endif 1303e705c121SKalle Valo } 1304e705c121SKalle Valo 1305e705c121SKalle Valo return ret; 1306e705c121SKalle Valo } 1307e705c121SKalle Valo 1308e705c121SKalle Valo static int iwl_mvm_mac_start(struct ieee80211_hw *hw) 1309e705c121SKalle Valo { 1310e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1311e705c121SKalle Valo int ret; 1312e705c121SKalle Valo 1313e705c121SKalle Valo /* Some hw restart cleanups must not hold the mutex */ 1314e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1315e705c121SKalle Valo /* 1316e705c121SKalle Valo * Make sure we are out of d0i3. This is needed 1317e705c121SKalle Valo * to make sure the reference accounting is correct 1318e705c121SKalle Valo * (and there is no stale d0i3_exit_work). 1319e705c121SKalle Valo */ 1320e705c121SKalle Valo wait_event_timeout(mvm->d0i3_exit_waitq, 1321e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_IN_D0I3, 1322e705c121SKalle Valo &mvm->status), 1323e705c121SKalle Valo HZ); 1324e705c121SKalle Valo } 1325e705c121SKalle Valo 1326e705c121SKalle Valo mutex_lock(&mvm->mutex); 1327e705c121SKalle Valo ret = __iwl_mvm_mac_start(mvm); 1328e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1329e705c121SKalle Valo 1330e705c121SKalle Valo return ret; 1331e705c121SKalle Valo } 1332e705c121SKalle Valo 1333e705c121SKalle Valo static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 1334e705c121SKalle Valo { 1335e705c121SKalle Valo int ret; 1336e705c121SKalle Valo 1337e705c121SKalle Valo mutex_lock(&mvm->mutex); 1338e705c121SKalle Valo 1339e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1340a75b9b33SLuca Coelho #ifdef CONFIG_PM 1341e705c121SKalle Valo iwl_mvm_d0i3_enable_tx(mvm, NULL); 1342a75b9b33SLuca Coelho #endif 1343e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 1344e705c121SKalle Valo if (ret) 1345e705c121SKalle Valo IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", 1346e705c121SKalle Valo ret); 1347e705c121SKalle Valo 1348e705c121SKalle Valo /* allow transport/FW low power modes */ 1349e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN); 1350e705c121SKalle Valo 1351f130bb75SMordechay Goodstein iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY); 1352f130bb75SMordechay Goodstein 1353e705c121SKalle Valo /* 1354e705c121SKalle Valo * If we have TDLS peers, remove them. We don't know the last seqno/PN 1355e705c121SKalle Valo * of packets the FW sent out, so we must reconnect. 1356e705c121SKalle Valo */ 1357e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 1358e705c121SKalle Valo 1359e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1360e705c121SKalle Valo } 1361e705c121SKalle Valo 1362e705c121SKalle Valo static void iwl_mvm_resume_complete(struct iwl_mvm *mvm) 1363e705c121SKalle Valo { 1364b7282643SLuca Coelho if (iwl_mvm_is_d0i3_supported(mvm) && 1365b7282643SLuca Coelho iwl_mvm_enter_d0i3_on_suspend(mvm)) 1366b7282643SLuca Coelho WARN_ONCE(!wait_event_timeout(mvm->d0i3_exit_waitq, 1367e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_IN_D0I3, 1368e705c121SKalle Valo &mvm->status), 1369b7282643SLuca Coelho HZ), 1370b7282643SLuca Coelho "D0i3 exit on resume timed out\n"); 1371e705c121SKalle Valo } 1372e705c121SKalle Valo 1373e705c121SKalle Valo static void 1374e705c121SKalle Valo iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, 1375e705c121SKalle Valo enum ieee80211_reconfig_type reconfig_type) 1376e705c121SKalle Valo { 1377e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1378e705c121SKalle Valo 1379e705c121SKalle Valo switch (reconfig_type) { 1380e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_RESTART: 1381e705c121SKalle Valo iwl_mvm_restart_complete(mvm); 1382e705c121SKalle Valo break; 1383e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_SUSPEND: 1384e705c121SKalle Valo iwl_mvm_resume_complete(mvm); 1385e705c121SKalle Valo break; 1386e705c121SKalle Valo } 1387e705c121SKalle Valo } 1388e705c121SKalle Valo 1389e705c121SKalle Valo void __iwl_mvm_mac_stop(struct iwl_mvm *mvm) 1390e705c121SKalle Valo { 1391e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1392e705c121SKalle Valo 1393e705c121SKalle Valo /* firmware counters are obviously reset now, but we shouldn't 1394e705c121SKalle Valo * partially track so also clear the fw_reset_accu counters. 1395e705c121SKalle Valo */ 1396e705c121SKalle Valo memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); 1397e705c121SKalle Valo 1398e705c121SKalle Valo /* async_handlers_wk is now blocked */ 1399e705c121SKalle Valo 1400e705c121SKalle Valo /* 1401e705c121SKalle Valo * The work item could be running or queued if the 1402e705c121SKalle Valo * ROC time event stops just as we get here. 1403e705c121SKalle Valo */ 1404e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 1405e705c121SKalle Valo 1406fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1407e705c121SKalle Valo 1408e705c121SKalle Valo iwl_mvm_async_handlers_purge(mvm); 1409e705c121SKalle Valo /* async_handlers_list is empty and will stay empty: HW is stopped */ 1410e705c121SKalle Valo 1411e705c121SKalle Valo /* the fw is stopped, the aux sta is dead: clean up driver state */ 1412e705c121SKalle Valo iwl_mvm_del_aux_sta(mvm); 1413e705c121SKalle Valo 1414e705c121SKalle Valo /* 1415155f7e04SEmmanuel Grumbach * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the 1416155f7e04SEmmanuel Grumbach * hw (as restart_complete() won't be called in this case) and mac80211 1417155f7e04SEmmanuel Grumbach * won't execute the restart. 1418e705c121SKalle Valo * But make sure to cleanup interfaces that have gone down before/during 1419e705c121SKalle Valo * HW restart was requested. 1420e705c121SKalle Valo */ 1421155f7e04SEmmanuel Grumbach if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || 1422155f7e04SEmmanuel Grumbach test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1423155f7e04SEmmanuel Grumbach &mvm->status)) 1424e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, 1425e705c121SKalle Valo iwl_mvm_cleanup_iterator, mvm); 1426e705c121SKalle Valo 1427e705c121SKalle Valo /* We shouldn't have any UIDs still set. Loop over all the UIDs to 1428e705c121SKalle Valo * make sure there's nothing left there and warn if any is found. 1429e705c121SKalle Valo */ 1430e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1431e705c121SKalle Valo int i; 1432e705c121SKalle Valo 1433e705c121SKalle Valo for (i = 0; i < mvm->max_scans; i++) { 1434e705c121SKalle Valo if (WARN_ONCE(mvm->scan_uid_status[i], 1435e705c121SKalle Valo "UMAC scan UID %d status was not cleaned\n", 1436e705c121SKalle Valo i)) 1437e705c121SKalle Valo mvm->scan_uid_status[i] = 0; 1438e705c121SKalle Valo } 1439e705c121SKalle Valo } 1440e705c121SKalle Valo } 1441e705c121SKalle Valo 1442e705c121SKalle Valo static void iwl_mvm_mac_stop(struct ieee80211_hw *hw) 1443e705c121SKalle Valo { 1444e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1445e705c121SKalle Valo 1446e705c121SKalle Valo flush_work(&mvm->d0i3_exit_work); 1447e705c121SKalle Valo flush_work(&mvm->async_handlers_wk); 144824afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 1449771147b0SJohannes Berg 1450771147b0SJohannes Berg /* 1451771147b0SJohannes Berg * Lock and clear the firmware running bit here already, so that 1452771147b0SJohannes Berg * new commands coming in elsewhere, e.g. from debugfs, will not 1453771147b0SJohannes Berg * be able to proceed. This is important here because one of those 14547174beb6SJohannes Berg * debugfs files causes the firmware dump to be triggered, and if we 1455771147b0SJohannes Berg * don't stop debugfs accesses before canceling that it could be 1456771147b0SJohannes Berg * retriggered after we flush it but before we've cleared the bit. 1457771147b0SJohannes Berg */ 1458771147b0SJohannes Berg clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1459771147b0SJohannes Berg 1460c7ab138eSShahar S Matityahu iwl_fw_cancel_dumps(&mvm->fwrt); 1461d3a108a4SAndrei Otcheretianski cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); 146269e04642SLuca Coelho cancel_delayed_work_sync(&mvm->scan_timeout_dwork); 14637174beb6SJohannes Berg iwl_fw_free_dump_desc(&mvm->fwrt); 1464e705c121SKalle Valo 1465e705c121SKalle Valo mutex_lock(&mvm->mutex); 1466e705c121SKalle Valo __iwl_mvm_mac_stop(mvm); 1467e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1468e705c121SKalle Valo 1469e705c121SKalle Valo /* 1470e705c121SKalle Valo * The worker might have been waiting for the mutex, let it run and 1471e705c121SKalle Valo * discover that its list is now empty. 1472e705c121SKalle Valo */ 1473e705c121SKalle Valo cancel_work_sync(&mvm->async_handlers_wk); 1474e705c121SKalle Valo } 1475e705c121SKalle Valo 1476e705c121SKalle Valo static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) 1477e705c121SKalle Valo { 1478e705c121SKalle Valo u16 i; 1479e705c121SKalle Valo 1480e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1481e705c121SKalle Valo 1482e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) 1483e705c121SKalle Valo if (!mvm->phy_ctxts[i].ref) 1484e705c121SKalle Valo return &mvm->phy_ctxts[i]; 1485e705c121SKalle Valo 1486e705c121SKalle Valo IWL_ERR(mvm, "No available PHY context\n"); 1487e705c121SKalle Valo return NULL; 1488e705c121SKalle Valo } 1489e705c121SKalle Valo 1490e705c121SKalle Valo static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1491e705c121SKalle Valo s16 tx_power) 1492e705c121SKalle Valo { 14930791c2fcSHaim Dreyfuss int len; 14940791c2fcSHaim Dreyfuss union { 14950791c2fcSHaim Dreyfuss struct iwl_dev_tx_power_cmd v5; 14960791c2fcSHaim Dreyfuss struct iwl_dev_tx_power_cmd_v4 v4; 14970791c2fcSHaim Dreyfuss } cmd = { 14980791c2fcSHaim Dreyfuss .v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), 14990791c2fcSHaim Dreyfuss .v5.v3.mac_context_id = 1500e705c121SKalle Valo cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), 15010791c2fcSHaim Dreyfuss .v5.v3.pwr_restriction = cpu_to_le16(8 * tx_power), 1502e705c121SKalle Valo }; 1503e705c121SKalle Valo 1504e705c121SKalle Valo if (tx_power == IWL_DEFAULT_MAX_TX_POWER) 15050791c2fcSHaim Dreyfuss cmd.v5.v3.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); 1506e705c121SKalle Valo 15070791c2fcSHaim Dreyfuss if (fw_has_api(&mvm->fw->ucode_capa, 15080791c2fcSHaim Dreyfuss IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 15090791c2fcSHaim Dreyfuss len = sizeof(cmd.v5); 15100791c2fcSHaim Dreyfuss else if (fw_has_capa(&mvm->fw->ucode_capa, 15110791c2fcSHaim Dreyfuss IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 15120791c2fcSHaim Dreyfuss len = sizeof(cmd.v4); 15130791c2fcSHaim Dreyfuss else 15140791c2fcSHaim Dreyfuss len = sizeof(cmd.v4.v3); 1515e705c121SKalle Valo 1516e705c121SKalle Valo return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); 1517e705c121SKalle Valo } 1518e705c121SKalle Valo 1519f6780614SSara Sharon static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 1520f6780614SSara Sharon struct ieee80211_vif *vif) 1521f6780614SSara Sharon { 1522f6780614SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1523f6780614SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1524f6780614SSara Sharon int ret; 1525f6780614SSara Sharon 1526f6780614SSara Sharon mutex_lock(&mvm->mutex); 1527f6780614SSara Sharon 1528f6780614SSara Sharon if (mvmvif->csa_failed) { 1529f6780614SSara Sharon mvmvif->csa_failed = false; 1530f6780614SSara Sharon ret = -EIO; 1531f6780614SSara Sharon goto out_unlock; 1532f6780614SSara Sharon } 1533f6780614SSara Sharon 1534f6780614SSara Sharon if (vif->type == NL80211_IFTYPE_STATION) { 1535f6780614SSara Sharon struct iwl_mvm_sta *mvmsta; 1536f6780614SSara Sharon 1537f6780614SSara Sharon mvmvif->csa_bcn_pending = false; 1538f6780614SSara Sharon mvmsta = iwl_mvm_sta_from_staid_protected(mvm, 1539f6780614SSara Sharon mvmvif->ap_sta_id); 1540f6780614SSara Sharon 1541f6780614SSara Sharon if (WARN_ON(!mvmsta)) { 1542f6780614SSara Sharon ret = -EIO; 1543f6780614SSara Sharon goto out_unlock; 1544f6780614SSara Sharon } 1545f6780614SSara Sharon 1546f6780614SSara Sharon iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 1547f6780614SSara Sharon 1548f6780614SSara Sharon iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1549f6780614SSara Sharon 1550f6780614SSara Sharon ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 1551f6780614SSara Sharon if (ret) 1552f6780614SSara Sharon goto out_unlock; 1553f6780614SSara Sharon 1554f6780614SSara Sharon iwl_mvm_stop_session_protection(mvm, vif); 1555f6780614SSara Sharon } 1556f6780614SSara Sharon 1557f6780614SSara Sharon mvmvif->ps_disabled = false; 1558f6780614SSara Sharon 1559f6780614SSara Sharon ret = iwl_mvm_power_update_ps(mvm); 1560f6780614SSara Sharon 1561f6780614SSara Sharon out_unlock: 1562f6780614SSara Sharon mutex_unlock(&mvm->mutex); 1563f6780614SSara Sharon 1564f6780614SSara Sharon return ret; 1565f6780614SSara Sharon } 1566f6780614SSara Sharon 1567f6780614SSara Sharon static void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw, 1568f6780614SSara Sharon struct ieee80211_vif *vif) 1569f6780614SSara Sharon { 1570f6780614SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1571f6780614SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1572f6780614SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 1573f6780614SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 1574f6780614SSara Sharon mvmvif->color)), 1575f6780614SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE), 1576f6780614SSara Sharon }; 1577f6780614SSara Sharon 1578f6780614SSara Sharon IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id); 1579f6780614SSara Sharon 1580f6780614SSara Sharon mutex_lock(&mvm->mutex); 1581f6780614SSara Sharon WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 1582f6780614SSara Sharon WIDE_ID(MAC_CONF_GROUP, 1583f6780614SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 1584f6780614SSara Sharon 0, sizeof(cmd), &cmd)); 1585f6780614SSara Sharon mutex_unlock(&mvm->mutex); 1586f6780614SSara Sharon 1587f6780614SSara Sharon WARN_ON(iwl_mvm_post_channel_switch(hw, vif)); 1588f6780614SSara Sharon } 1589f6780614SSara Sharon 1590f6780614SSara Sharon static void iwl_mvm_channel_switch_disconnect_wk(struct work_struct *wk) 1591f6780614SSara Sharon { 1592f6780614SSara Sharon struct iwl_mvm *mvm; 1593f6780614SSara Sharon struct iwl_mvm_vif *mvmvif; 1594f6780614SSara Sharon struct ieee80211_vif *vif; 1595f6780614SSara Sharon 1596f6780614SSara Sharon mvmvif = container_of(wk, struct iwl_mvm_vif, csa_work.work); 1597f6780614SSara Sharon vif = container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1598f6780614SSara Sharon mvm = mvmvif->mvm; 1599f6780614SSara Sharon 1600f6780614SSara Sharon iwl_mvm_abort_channel_switch(mvm->hw, vif); 1601f6780614SSara Sharon ieee80211_chswitch_done(vif, false); 1602f6780614SSara Sharon } 1603f6780614SSara Sharon 1604e705c121SKalle Valo static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 1605e705c121SKalle Valo struct ieee80211_vif *vif) 1606e705c121SKalle Valo { 1607e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1608e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1609e705c121SKalle Valo int ret; 1610e705c121SKalle Valo 1611e705c121SKalle Valo mvmvif->mvm = mvm; 161286e177d8SGregory Greenman RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL); 1613e705c121SKalle Valo 1614e705c121SKalle Valo /* 1615e705c121SKalle Valo * make sure D0i3 exit is completed, otherwise a target access 1616e705c121SKalle Valo * during tx queue configuration could be done when still in 1617e705c121SKalle Valo * D0i3 state. 1618e705c121SKalle Valo */ 1619e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF); 1620e705c121SKalle Valo if (ret) 1621e705c121SKalle Valo return ret; 1622e705c121SKalle Valo 1623e705c121SKalle Valo /* 1624e705c121SKalle Valo * Not much to do here. The stack will not allow interface 1625e705c121SKalle Valo * types or combinations that we didn't advertise, so we 1626e705c121SKalle Valo * don't really have to check the types. 1627e705c121SKalle Valo */ 1628e705c121SKalle Valo 1629e705c121SKalle Valo mutex_lock(&mvm->mutex); 1630e705c121SKalle Valo 1631e705c121SKalle Valo /* make sure that beacon statistics don't go backwards with FW reset */ 1632e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1633e705c121SKalle Valo mvmvif->beacon_stats.accu_num_beacons += 1634e705c121SKalle Valo mvmvif->beacon_stats.num_beacons; 1635e705c121SKalle Valo 1636e705c121SKalle Valo /* Allocate resources for the MAC context, and add it to the fw */ 1637e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_init(mvm, vif); 1638e705c121SKalle Valo if (ret) 1639e705c121SKalle Valo goto out_unlock; 1640e705c121SKalle Valo 1641698478c4SSara Sharon rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); 1642698478c4SSara Sharon 1643e705c121SKalle Valo /* Counting number of interfaces is needed for legacy PM */ 1644e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_P2P_DEVICE) 1645e705c121SKalle Valo mvm->vif_count++; 1646e705c121SKalle Valo 1647e705c121SKalle Valo /* 1648e705c121SKalle Valo * The AP binding flow can be done only after the beacon 1649e705c121SKalle Valo * template is configured (which happens only in the mac80211 1650e705c121SKalle Valo * start_ap() flow), and adding the broadcast station can happen 1651e705c121SKalle Valo * only after the binding. 1652e705c121SKalle Valo * In addition, since modifying the MAC before adding a bcast 1653e705c121SKalle Valo * station is not allowed by the FW, delay the adding of MAC context to 1654e705c121SKalle Valo * the point where we can also add the bcast station. 1655e705c121SKalle Valo * In short: there's not much we can do at this point, other than 1656e705c121SKalle Valo * allocating resources :) 1657e705c121SKalle Valo */ 1658e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1659e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 1660e705c121SKalle Valo ret = iwl_mvm_alloc_bcast_sta(mvm, vif); 1661e705c121SKalle Valo if (ret) { 1662e705c121SKalle Valo IWL_ERR(mvm, "Failed to allocate bcast sta\n"); 1663e705c121SKalle Valo goto out_release; 1664e705c121SKalle Valo } 1665e705c121SKalle Valo 166626d6c16bSSara Sharon /* 166726d6c16bSSara Sharon * Only queue for this station is the mcast queue, 166826d6c16bSSara Sharon * which shouldn't be in TFD mask anyway 166926d6c16bSSara Sharon */ 167026d6c16bSSara Sharon ret = iwl_mvm_allocate_int_sta(mvm, &mvmvif->mcast_sta, 1671ced19f26SSara Sharon 0, vif->type, 1672ced19f26SSara Sharon IWL_STA_MULTICAST); 167326d6c16bSSara Sharon if (ret) 167426d6c16bSSara Sharon goto out_release; 167526d6c16bSSara Sharon 1676e705c121SKalle Valo iwl_mvm_vif_dbgfs_register(mvm, vif); 1677e705c121SKalle Valo goto out_unlock; 1678e705c121SKalle Valo } 1679e705c121SKalle Valo 1680e705c121SKalle Valo mvmvif->features |= hw->netdev_features; 1681e705c121SKalle Valo 1682e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 1683e705c121SKalle Valo if (ret) 1684e705c121SKalle Valo goto out_release; 1685e705c121SKalle Valo 1686e705c121SKalle Valo ret = iwl_mvm_power_update_mac(mvm); 1687e705c121SKalle Valo if (ret) 1688e705c121SKalle Valo goto out_remove_mac; 1689e705c121SKalle Valo 1690e705c121SKalle Valo /* beacon filtering */ 1691e705c121SKalle Valo ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 1692e705c121SKalle Valo if (ret) 1693e705c121SKalle Valo goto out_remove_mac; 1694e705c121SKalle Valo 1695e705c121SKalle Valo if (!mvm->bf_allowed_vif && 1696e705c121SKalle Valo vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { 1697e705c121SKalle Valo mvm->bf_allowed_vif = mvmvif; 1698e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 1699e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI; 1700e705c121SKalle Valo } 1701e705c121SKalle Valo 1702e705c121SKalle Valo /* 1703e705c121SKalle Valo * P2P_DEVICE interface does not have a channel context assigned to it, 1704e705c121SKalle Valo * so a dedicated PHY context is allocated to it and the corresponding 1705e705c121SKalle Valo * MAC context is bound to it at this stage. 1706e705c121SKalle Valo */ 1707e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1708e705c121SKalle Valo 1709e705c121SKalle Valo mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 1710e705c121SKalle Valo if (!mvmvif->phy_ctxt) { 1711e705c121SKalle Valo ret = -ENOSPC; 1712e705c121SKalle Valo goto out_free_bf; 1713e705c121SKalle Valo } 1714e705c121SKalle Valo 1715e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 1716e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 1717e705c121SKalle Valo if (ret) 1718e705c121SKalle Valo goto out_unref_phy; 1719e705c121SKalle Valo 1720d197358bSLuca Coelho ret = iwl_mvm_add_p2p_bcast_sta(mvm, vif); 1721e705c121SKalle Valo if (ret) 1722e705c121SKalle Valo goto out_unbind; 1723e705c121SKalle Valo 1724e705c121SKalle Valo /* Save a pointer to p2p device vif, so it can later be used to 1725e705c121SKalle Valo * update the p2p device MAC when a GO is started/stopped */ 1726e705c121SKalle Valo mvm->p2p_device_vif = vif; 1727e705c121SKalle Valo } 1728e705c121SKalle Valo 1729b0ffe455SJohannes Berg iwl_mvm_tcm_add_vif(mvm, vif); 1730f6780614SSara Sharon INIT_DELAYED_WORK(&mvmvif->csa_work, 1731f6780614SSara Sharon iwl_mvm_channel_switch_disconnect_wk); 1732b0ffe455SJohannes Berg 1733baf41bc3SShaul Triebitz if (vif->type == NL80211_IFTYPE_MONITOR) 1734baf41bc3SShaul Triebitz mvm->monitor_on = true; 1735baf41bc3SShaul Triebitz 1736e705c121SKalle Valo iwl_mvm_vif_dbgfs_register(mvm, vif); 1737e705c121SKalle Valo goto out_unlock; 1738e705c121SKalle Valo 1739e705c121SKalle Valo out_unbind: 1740e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1741e705c121SKalle Valo out_unref_phy: 1742e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 1743e705c121SKalle Valo out_free_bf: 1744e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1745e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1746e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1747e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1748e705c121SKalle Valo } 1749e705c121SKalle Valo out_remove_mac: 1750e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1751e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1752e705c121SKalle Valo out_release: 1753e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_P2P_DEVICE) 1754e705c121SKalle Valo mvm->vif_count--; 1755e705c121SKalle Valo out_unlock: 1756e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1757e705c121SKalle Valo 1758e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF); 1759e705c121SKalle Valo 1760e705c121SKalle Valo return ret; 1761e705c121SKalle Valo } 1762e705c121SKalle Valo 1763e705c121SKalle Valo static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1764e705c121SKalle Valo struct ieee80211_vif *vif) 1765e705c121SKalle Valo { 1766e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1767e705c121SKalle Valo /* 1768e705c121SKalle Valo * Flush the ROC worker which will flush the OFFCHANNEL queue. 1769e705c121SKalle Valo * We assume here that all the packets sent to the OFFCHANNEL 1770e705c121SKalle Valo * queue are sent in ROC session. 1771e705c121SKalle Valo */ 1772e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 1773e705c121SKalle Valo } 1774e705c121SKalle Valo } 1775e705c121SKalle Valo 1776e705c121SKalle Valo static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 1777e705c121SKalle Valo struct ieee80211_vif *vif) 1778e705c121SKalle Valo { 1779e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1780e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 178186e177d8SGregory Greenman struct iwl_probe_resp_data *probe_data; 1782e705c121SKalle Valo 1783e705c121SKalle Valo iwl_mvm_prepare_mac_removal(mvm, vif); 1784e705c121SKalle Valo 1785b0ffe455SJohannes Berg if (!(vif->type == NL80211_IFTYPE_AP || 1786b0ffe455SJohannes Berg vif->type == NL80211_IFTYPE_ADHOC)) 1787b0ffe455SJohannes Berg iwl_mvm_tcm_rm_vif(mvm, vif); 1788b0ffe455SJohannes Berg 1789e705c121SKalle Valo mutex_lock(&mvm->mutex); 1790e705c121SKalle Valo 179186e177d8SGregory Greenman probe_data = rcu_dereference_protected(mvmvif->probe_resp_data, 179286e177d8SGregory Greenman lockdep_is_held(&mvm->mutex)); 179386e177d8SGregory Greenman RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL); 179486e177d8SGregory Greenman if (probe_data) 179586e177d8SGregory Greenman kfree_rcu(probe_data, rcu_head); 179686e177d8SGregory Greenman 1797e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1798e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1799e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1800e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1801e705c121SKalle Valo } 1802e705c121SKalle Valo 1803b73f9a4aSJohannes Berg if (vif->bss_conf.ftm_responder) 1804b73f9a4aSJohannes Berg memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats)); 1805b73f9a4aSJohannes Berg 1806e705c121SKalle Valo iwl_mvm_vif_dbgfs_clean(mvm, vif); 1807e705c121SKalle Valo 1808e705c121SKalle Valo /* 1809e705c121SKalle Valo * For AP/GO interface, the tear down of the resources allocated to the 1810e705c121SKalle Valo * interface is be handled as part of the stop_ap flow. 1811e705c121SKalle Valo */ 1812e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1813e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 1814e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 1815e705c121SKalle Valo if (vif == mvm->noa_vif) { 1816e705c121SKalle Valo mvm->noa_vif = NULL; 1817e705c121SKalle Valo mvm->noa_duration = 0; 1818e705c121SKalle Valo } 1819e705c121SKalle Valo #endif 182026d6c16bSSara Sharon iwl_mvm_dealloc_int_sta(mvm, &mvmvif->mcast_sta); 1821e705c121SKalle Valo iwl_mvm_dealloc_bcast_sta(mvm, vif); 1822e705c121SKalle Valo goto out_release; 1823e705c121SKalle Valo } 1824e705c121SKalle Valo 1825e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1826e705c121SKalle Valo mvm->p2p_device_vif = NULL; 1827d197358bSLuca Coelho iwl_mvm_rm_p2p_bcast_sta(mvm, vif); 1828e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1829e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 1830e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1831e705c121SKalle Valo } 1832e705c121SKalle Valo 1833e705c121SKalle Valo if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE) 1834e705c121SKalle Valo mvm->vif_count--; 1835e705c121SKalle Valo 1836e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 1837e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1838e705c121SKalle Valo 1839698478c4SSara Sharon RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); 1840698478c4SSara Sharon 1841baf41bc3SShaul Triebitz if (vif->type == NL80211_IFTYPE_MONITOR) 1842baf41bc3SShaul Triebitz mvm->monitor_on = false; 1843baf41bc3SShaul Triebitz 1844e705c121SKalle Valo out_release: 1845e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1846e705c121SKalle Valo } 1847e705c121SKalle Valo 1848e705c121SKalle Valo static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed) 1849e705c121SKalle Valo { 1850e705c121SKalle Valo return 0; 1851e705c121SKalle Valo } 1852e705c121SKalle Valo 1853e705c121SKalle Valo struct iwl_mvm_mc_iter_data { 1854e705c121SKalle Valo struct iwl_mvm *mvm; 1855e705c121SKalle Valo int port_id; 1856e705c121SKalle Valo }; 1857e705c121SKalle Valo 1858e705c121SKalle Valo static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 1859e705c121SKalle Valo struct ieee80211_vif *vif) 1860e705c121SKalle Valo { 1861e705c121SKalle Valo struct iwl_mvm_mc_iter_data *data = _data; 1862e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1863e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 186497bce57bSLuca Coelho struct iwl_host_cmd hcmd = { 186597bce57bSLuca Coelho .id = MCAST_FILTER_CMD, 186697bce57bSLuca Coelho .flags = CMD_ASYNC, 186797bce57bSLuca Coelho .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 186897bce57bSLuca Coelho }; 1869e705c121SKalle Valo int ret, len; 1870e705c121SKalle Valo 1871e705c121SKalle Valo /* if we don't have free ports, mcast frames will be dropped */ 1872e705c121SKalle Valo if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 1873e705c121SKalle Valo return; 1874e705c121SKalle Valo 1875e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || 1876e705c121SKalle Valo !vif->bss_conf.assoc) 1877e705c121SKalle Valo return; 1878e705c121SKalle Valo 1879e705c121SKalle Valo cmd->port_id = data->port_id++; 1880e705c121SKalle Valo memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 1881e705c121SKalle Valo len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 1882e705c121SKalle Valo 188397bce57bSLuca Coelho hcmd.len[0] = len; 188497bce57bSLuca Coelho hcmd.data[0] = cmd; 188597bce57bSLuca Coelho 188697bce57bSLuca Coelho ret = iwl_mvm_send_cmd(mvm, &hcmd); 1887e705c121SKalle Valo if (ret) 1888e705c121SKalle Valo IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 1889e705c121SKalle Valo } 1890e705c121SKalle Valo 1891e705c121SKalle Valo static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 1892e705c121SKalle Valo { 1893e705c121SKalle Valo struct iwl_mvm_mc_iter_data iter_data = { 1894e705c121SKalle Valo .mvm = mvm, 1895e705c121SKalle Valo }; 1896e705c121SKalle Valo 1897e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1898e705c121SKalle Valo 1899e705c121SKalle Valo if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 1900e705c121SKalle Valo return; 1901e705c121SKalle Valo 1902e705c121SKalle Valo ieee80211_iterate_active_interfaces_atomic( 1903e705c121SKalle Valo mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1904e705c121SKalle Valo iwl_mvm_mc_iface_iterator, &iter_data); 1905e705c121SKalle Valo } 1906e705c121SKalle Valo 1907e705c121SKalle Valo static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 1908e705c121SKalle Valo struct netdev_hw_addr_list *mc_list) 1909e705c121SKalle Valo { 1910e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1911e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd; 1912e705c121SKalle Valo struct netdev_hw_addr *addr; 1913e705c121SKalle Valo int addr_count; 1914e705c121SKalle Valo bool pass_all; 1915e705c121SKalle Valo int len; 1916e705c121SKalle Valo 1917e705c121SKalle Valo addr_count = netdev_hw_addr_list_count(mc_list); 1918e705c121SKalle Valo pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 1919e705c121SKalle Valo IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 1920e705c121SKalle Valo if (pass_all) 1921e705c121SKalle Valo addr_count = 0; 1922e705c121SKalle Valo 1923e705c121SKalle Valo len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 1924e705c121SKalle Valo cmd = kzalloc(len, GFP_ATOMIC); 1925e705c121SKalle Valo if (!cmd) 1926e705c121SKalle Valo return 0; 1927e705c121SKalle Valo 1928e705c121SKalle Valo if (pass_all) { 1929e705c121SKalle Valo cmd->pass_all = 1; 1930e705c121SKalle Valo return (u64)(unsigned long)cmd; 1931e705c121SKalle Valo } 1932e705c121SKalle Valo 1933e705c121SKalle Valo netdev_hw_addr_list_for_each(addr, mc_list) { 1934e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 1935e705c121SKalle Valo cmd->count, addr->addr); 1936e705c121SKalle Valo memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 1937e705c121SKalle Valo addr->addr, ETH_ALEN); 1938e705c121SKalle Valo cmd->count++; 1939e705c121SKalle Valo } 1940e705c121SKalle Valo 1941e705c121SKalle Valo return (u64)(unsigned long)cmd; 1942e705c121SKalle Valo } 1943e705c121SKalle Valo 1944e705c121SKalle Valo static void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 1945e705c121SKalle Valo unsigned int changed_flags, 1946e705c121SKalle Valo unsigned int *total_flags, 1947e705c121SKalle Valo u64 multicast) 1948e705c121SKalle Valo { 1949e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1950e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; 1951e705c121SKalle Valo 1952e705c121SKalle Valo mutex_lock(&mvm->mutex); 1953e705c121SKalle Valo 1954e705c121SKalle Valo /* replace previous configuration */ 1955e705c121SKalle Valo kfree(mvm->mcast_filter_cmd); 1956e705c121SKalle Valo mvm->mcast_filter_cmd = cmd; 1957e705c121SKalle Valo 1958e705c121SKalle Valo if (!cmd) 1959e705c121SKalle Valo goto out; 1960e705c121SKalle Valo 196161e7d91bSLuca Coelho if (changed_flags & FIF_ALLMULTI) 196261e7d91bSLuca Coelho cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); 196361e7d91bSLuca Coelho 196461e7d91bSLuca Coelho if (cmd->pass_all) 196561e7d91bSLuca Coelho cmd->count = 0; 196661e7d91bSLuca Coelho 1967e705c121SKalle Valo iwl_mvm_recalc_multicast(mvm); 1968e705c121SKalle Valo out: 1969e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1970e705c121SKalle Valo *total_flags = 0; 1971e705c121SKalle Valo } 1972e705c121SKalle Valo 1973e705c121SKalle Valo static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 1974e705c121SKalle Valo struct ieee80211_vif *vif, 1975e705c121SKalle Valo unsigned int filter_flags, 1976e705c121SKalle Valo unsigned int changed_flags) 1977e705c121SKalle Valo { 1978e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1979e705c121SKalle Valo 1980e705c121SKalle Valo /* We support only filter for probe requests */ 1981e705c121SKalle Valo if (!(changed_flags & FIF_PROBE_REQ)) 1982e705c121SKalle Valo return; 1983e705c121SKalle Valo 1984e705c121SKalle Valo /* Supported only for p2p client interfaces */ 1985e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc || 1986e705c121SKalle Valo !vif->p2p) 1987e705c121SKalle Valo return; 1988e705c121SKalle Valo 1989e705c121SKalle Valo mutex_lock(&mvm->mutex); 1990e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1991e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1992e705c121SKalle Valo } 1993e705c121SKalle Valo 1994e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 1995e705c121SKalle Valo struct iwl_bcast_iter_data { 1996e705c121SKalle Valo struct iwl_mvm *mvm; 1997e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd; 1998e705c121SKalle Valo u8 current_filter; 1999e705c121SKalle Valo }; 2000e705c121SKalle Valo 2001e705c121SKalle Valo static void 2002e705c121SKalle Valo iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif, 2003e705c121SKalle Valo const struct iwl_fw_bcast_filter *in_filter, 2004e705c121SKalle Valo struct iwl_fw_bcast_filter *out_filter) 2005e705c121SKalle Valo { 2006e705c121SKalle Valo struct iwl_fw_bcast_filter_attr *attr; 2007e705c121SKalle Valo int i; 2008e705c121SKalle Valo 2009e705c121SKalle Valo memcpy(out_filter, in_filter, sizeof(*out_filter)); 2010e705c121SKalle Valo 2011e705c121SKalle Valo for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) { 2012e705c121SKalle Valo attr = &out_filter->attrs[i]; 2013e705c121SKalle Valo 2014e705c121SKalle Valo if (!attr->mask) 2015e705c121SKalle Valo break; 2016e705c121SKalle Valo 2017e705c121SKalle Valo switch (attr->reserved1) { 2018e705c121SKalle Valo case cpu_to_le16(BC_FILTER_MAGIC_IP): 2019e705c121SKalle Valo if (vif->bss_conf.arp_addr_cnt != 1) { 2020e705c121SKalle Valo attr->mask = 0; 2021e705c121SKalle Valo continue; 2022e705c121SKalle Valo } 2023e705c121SKalle Valo 2024e705c121SKalle Valo attr->val = vif->bss_conf.arp_addr_list[0]; 2025e705c121SKalle Valo break; 2026e705c121SKalle Valo case cpu_to_le16(BC_FILTER_MAGIC_MAC): 2027e705c121SKalle Valo attr->val = *(__be32 *)&vif->addr[2]; 2028e705c121SKalle Valo break; 2029e705c121SKalle Valo default: 2030e705c121SKalle Valo break; 2031e705c121SKalle Valo } 2032e705c121SKalle Valo attr->reserved1 = 0; 2033e705c121SKalle Valo out_filter->num_attrs++; 2034e705c121SKalle Valo } 2035e705c121SKalle Valo } 2036e705c121SKalle Valo 2037e705c121SKalle Valo static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac, 2038e705c121SKalle Valo struct ieee80211_vif *vif) 2039e705c121SKalle Valo { 2040e705c121SKalle Valo struct iwl_bcast_iter_data *data = _data; 2041e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 2042e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd = data->cmd; 2043e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2044e705c121SKalle Valo struct iwl_fw_bcast_mac *bcast_mac; 2045e705c121SKalle Valo int i; 2046e705c121SKalle Valo 2047e705c121SKalle Valo if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs))) 2048e705c121SKalle Valo return; 2049e705c121SKalle Valo 2050e705c121SKalle Valo bcast_mac = &cmd->macs[mvmvif->id]; 2051e705c121SKalle Valo 2052e705c121SKalle Valo /* 2053e705c121SKalle Valo * enable filtering only for associated stations, but not for P2P 2054e705c121SKalle Valo * Clients 2055e705c121SKalle Valo */ 2056e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || vif->p2p || 2057e705c121SKalle Valo !vif->bss_conf.assoc) 2058e705c121SKalle Valo return; 2059e705c121SKalle Valo 2060e705c121SKalle Valo bcast_mac->default_discard = 1; 2061e705c121SKalle Valo 2062e705c121SKalle Valo /* copy all configured filters */ 2063e705c121SKalle Valo for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) { 2064e705c121SKalle Valo /* 2065e705c121SKalle Valo * Make sure we don't exceed our filters limit. 2066e705c121SKalle Valo * if there is still a valid filter to be configured, 2067e705c121SKalle Valo * be on the safe side and just allow bcast for this mac. 2068e705c121SKalle Valo */ 2069e705c121SKalle Valo if (WARN_ON_ONCE(data->current_filter >= 2070e705c121SKalle Valo ARRAY_SIZE(cmd->filters))) { 2071e705c121SKalle Valo bcast_mac->default_discard = 0; 2072e705c121SKalle Valo bcast_mac->attached_filters = 0; 2073e705c121SKalle Valo break; 2074e705c121SKalle Valo } 2075e705c121SKalle Valo 2076e705c121SKalle Valo iwl_mvm_set_bcast_filter(vif, 2077e705c121SKalle Valo &mvm->bcast_filters[i], 2078e705c121SKalle Valo &cmd->filters[data->current_filter]); 2079e705c121SKalle Valo 2080e705c121SKalle Valo /* skip current filter if it contains no attributes */ 2081e705c121SKalle Valo if (!cmd->filters[data->current_filter].num_attrs) 2082e705c121SKalle Valo continue; 2083e705c121SKalle Valo 2084e705c121SKalle Valo /* attach the filter to current mac */ 2085e705c121SKalle Valo bcast_mac->attached_filters |= 2086e705c121SKalle Valo cpu_to_le16(BIT(data->current_filter)); 2087e705c121SKalle Valo 2088e705c121SKalle Valo data->current_filter++; 2089e705c121SKalle Valo } 2090e705c121SKalle Valo } 2091e705c121SKalle Valo 2092e705c121SKalle Valo bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm, 2093e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd) 2094e705c121SKalle Valo { 2095e705c121SKalle Valo struct iwl_bcast_iter_data iter_data = { 2096e705c121SKalle Valo .mvm = mvm, 2097e705c121SKalle Valo .cmd = cmd, 2098e705c121SKalle Valo }; 2099e705c121SKalle Valo 2100e705c121SKalle Valo if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL) 2101e705c121SKalle Valo return false; 2102e705c121SKalle Valo 2103e705c121SKalle Valo memset(cmd, 0, sizeof(*cmd)); 2104e705c121SKalle Valo cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters); 2105e705c121SKalle Valo cmd->max_macs = ARRAY_SIZE(cmd->macs); 2106e705c121SKalle Valo 2107e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_DEBUGFS 2108e705c121SKalle Valo /* use debugfs filters/macs if override is configured */ 2109e705c121SKalle Valo if (mvm->dbgfs_bcast_filtering.override) { 2110e705c121SKalle Valo memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters, 2111e705c121SKalle Valo sizeof(cmd->filters)); 2112e705c121SKalle Valo memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs, 2113e705c121SKalle Valo sizeof(cmd->macs)); 2114e705c121SKalle Valo return true; 2115e705c121SKalle Valo } 2116e705c121SKalle Valo #endif 2117e705c121SKalle Valo 2118e705c121SKalle Valo /* if no filters are configured, do nothing */ 2119e705c121SKalle Valo if (!mvm->bcast_filters) 2120e705c121SKalle Valo return false; 2121e705c121SKalle Valo 2122e705c121SKalle Valo /* configure and attach these filters for each associated sta vif */ 2123e705c121SKalle Valo ieee80211_iterate_active_interfaces( 2124e705c121SKalle Valo mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2125e705c121SKalle Valo iwl_mvm_bcast_filter_iterator, &iter_data); 2126e705c121SKalle Valo 2127e705c121SKalle Valo return true; 2128e705c121SKalle Valo } 212934672bb3SEliad Peller 213034672bb3SEliad Peller static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm) 2131e705c121SKalle Valo { 2132e705c121SKalle Valo struct iwl_bcast_filter_cmd cmd; 2133e705c121SKalle Valo 2134e705c121SKalle Valo if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING)) 2135e705c121SKalle Valo return 0; 2136e705c121SKalle Valo 2137e705c121SKalle Valo if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) 2138e705c121SKalle Valo return 0; 2139e705c121SKalle Valo 2140e705c121SKalle Valo return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, 2141e705c121SKalle Valo sizeof(cmd), &cmd); 2142e705c121SKalle Valo } 2143e705c121SKalle Valo #else 214434672bb3SEliad Peller static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm) 2145e705c121SKalle Valo { 2146e705c121SKalle Valo return 0; 2147e705c121SKalle Valo } 2148e705c121SKalle Valo #endif 2149e705c121SKalle Valo 2150a07a8f37SSara Sharon static int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, 2151a07a8f37SSara Sharon struct ieee80211_vif *vif) 2152a07a8f37SSara Sharon { 2153a07a8f37SSara Sharon struct iwl_mu_group_mgmt_cmd cmd = {}; 2154a07a8f37SSara Sharon 2155a07a8f37SSara Sharon memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 2156a07a8f37SSara Sharon WLAN_MEMBERSHIP_LEN); 2157a07a8f37SSara Sharon memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 2158a07a8f37SSara Sharon WLAN_USER_POSITION_LEN); 2159a07a8f37SSara Sharon 2160a07a8f37SSara Sharon return iwl_mvm_send_cmd_pdu(mvm, 2161a07a8f37SSara Sharon WIDE_ID(DATA_PATH_GROUP, 2162a07a8f37SSara Sharon UPDATE_MU_GROUPS_CMD), 2163a07a8f37SSara Sharon 0, sizeof(cmd), &cmd); 2164a07a8f37SSara Sharon } 2165a07a8f37SSara Sharon 2166f92659a1SSara Sharon static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 2167f92659a1SSara Sharon struct ieee80211_vif *vif) 2168f92659a1SSara Sharon { 2169f92659a1SSara Sharon if (vif->mu_mimo_owner) { 2170f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = _data; 2171f92659a1SSara Sharon 2172f92659a1SSara Sharon /* 2173f92659a1SSara Sharon * MU-MIMO Group Id action frame is little endian. We treat 2174f92659a1SSara Sharon * the data received from firmware as if it came from the 2175f92659a1SSara Sharon * action frame, so no conversion is needed. 2176f92659a1SSara Sharon */ 2177f92659a1SSara Sharon ieee80211_update_mu_groups(vif, 2178f92659a1SSara Sharon (u8 *)¬if->membership_status, 2179f92659a1SSara Sharon (u8 *)¬if->user_position); 2180f92659a1SSara Sharon } 2181f92659a1SSara Sharon } 2182f92659a1SSara Sharon 2183f92659a1SSara Sharon void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 2184f92659a1SSara Sharon struct iwl_rx_cmd_buffer *rxb) 2185f92659a1SSara Sharon { 2186f92659a1SSara Sharon struct iwl_rx_packet *pkt = rxb_addr(rxb); 2187f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 2188f92659a1SSara Sharon 2189f92659a1SSara Sharon ieee80211_iterate_active_interfaces_atomic( 2190f92659a1SSara Sharon mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2191f92659a1SSara Sharon iwl_mvm_mu_mimo_iface_iterator, notif); 2192f92659a1SSara Sharon } 2193f92659a1SSara Sharon 2194514c3069SLuca Coelho static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) 2195514c3069SLuca Coelho { 2196514c3069SLuca Coelho u8 byte_num = ppe_pos_bit / 8; 2197514c3069SLuca Coelho u8 bit_num = ppe_pos_bit % 8; 2198514c3069SLuca Coelho u8 residue_bits; 2199514c3069SLuca Coelho u8 res; 2200514c3069SLuca Coelho 2201514c3069SLuca Coelho if (bit_num <= 5) 2202514c3069SLuca Coelho return (ppe[byte_num] >> bit_num) & 2203514c3069SLuca Coelho (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); 2204514c3069SLuca Coelho 2205514c3069SLuca Coelho /* 2206514c3069SLuca Coelho * If bit_num > 5, we have to combine bits with next byte. 2207514c3069SLuca Coelho * Calculate how many bits we need to take from current byte (called 2208514c3069SLuca Coelho * here "residue_bits"), and add them to bits from next byte. 2209514c3069SLuca Coelho */ 2210514c3069SLuca Coelho 2211514c3069SLuca Coelho residue_bits = 8 - bit_num; 2212514c3069SLuca Coelho 2213514c3069SLuca Coelho res = (ppe[byte_num + 1] & 2214514c3069SLuca Coelho (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << 2215514c3069SLuca Coelho residue_bits; 2216514c3069SLuca Coelho res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); 2217514c3069SLuca Coelho 2218514c3069SLuca Coelho return res; 2219514c3069SLuca Coelho } 2220514c3069SLuca Coelho 2221514c3069SLuca Coelho static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, 2222514c3069SLuca Coelho struct ieee80211_vif *vif, u8 sta_id) 2223514c3069SLuca Coelho { 2224514c3069SLuca Coelho struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2225514c3069SLuca Coelho struct iwl_he_sta_context_cmd sta_ctxt_cmd = { 2226514c3069SLuca Coelho .sta_id = sta_id, 2227514c3069SLuca Coelho .tid_limit = IWL_MAX_TID_COUNT, 2228514c3069SLuca Coelho .bss_color = vif->bss_conf.bss_color, 2229514c3069SLuca Coelho .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, 2230514c3069SLuca Coelho .frame_time_rts_th = 2231514c3069SLuca Coelho cpu_to_le16(vif->bss_conf.frame_time_rts_th), 2232514c3069SLuca Coelho }; 2233d14ae796SSara Sharon int size = fw_has_api(&mvm->fw->ucode_capa, 2234d14ae796SSara Sharon IWL_UCODE_TLV_API_MBSSID_HE) ? 2235d14ae796SSara Sharon sizeof(sta_ctxt_cmd) : 2236d14ae796SSara Sharon sizeof(struct iwl_he_sta_context_cmd_v1); 2237514c3069SLuca Coelho struct ieee80211_sta *sta; 2238514c3069SLuca Coelho u32 flags; 2239514c3069SLuca Coelho int i; 2240514c3069SLuca Coelho 2241514c3069SLuca Coelho rcu_read_lock(); 2242514c3069SLuca Coelho 2243514c3069SLuca Coelho sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); 2244514c3069SLuca Coelho if (IS_ERR(sta)) { 2245514c3069SLuca Coelho rcu_read_unlock(); 2246514c3069SLuca Coelho WARN(1, "Can't find STA to configure HE\n"); 2247514c3069SLuca Coelho return; 2248514c3069SLuca Coelho } 2249514c3069SLuca Coelho 2250514c3069SLuca Coelho if (!sta->he_cap.has_he) { 2251514c3069SLuca Coelho rcu_read_unlock(); 2252514c3069SLuca Coelho return; 2253514c3069SLuca Coelho } 2254514c3069SLuca Coelho 2255514c3069SLuca Coelho flags = 0; 2256514c3069SLuca Coelho 2257514c3069SLuca Coelho /* HTC flags */ 2258514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[0] & 2259514c3069SLuca Coelho IEEE80211_HE_MAC_CAP0_HTC_HE) 2260514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); 2261514c3069SLuca Coelho if ((sta->he_cap.he_cap_elem.mac_cap_info[1] & 2262514c3069SLuca Coelho IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || 2263514c3069SLuca Coelho (sta->he_cap.he_cap_elem.mac_cap_info[2] & 2264514c3069SLuca Coelho IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { 2265514c3069SLuca Coelho u8 link_adap = 2266514c3069SLuca Coelho ((sta->he_cap.he_cap_elem.mac_cap_info[2] & 2267514c3069SLuca Coelho IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + 2268514c3069SLuca Coelho (sta->he_cap.he_cap_elem.mac_cap_info[1] & 2269514c3069SLuca Coelho IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); 2270514c3069SLuca Coelho 2271514c3069SLuca Coelho if (link_adap == 2) 2272514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= 2273514c3069SLuca Coelho cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); 2274514c3069SLuca Coelho else if (link_adap == 3) 2275514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= 2276514c3069SLuca Coelho cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); 2277514c3069SLuca Coelho } 2278514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) 2279514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); 2280514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[3] & 2281514c3069SLuca Coelho IEEE80211_HE_MAC_CAP3_OMI_CONTROL) 2282514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); 2283514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) 2284514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); 2285514c3069SLuca Coelho 2286189b8d44SNaftali Goldstein /* 2287189b8d44SNaftali Goldstein * Initialize the PPE thresholds to "None" (7), as described in Table 2288189b8d44SNaftali Goldstein * 9-262ac of 80211.ax/D3.0. 2289189b8d44SNaftali Goldstein */ 2290189b8d44SNaftali Goldstein memset(&sta_ctxt_cmd.pkt_ext, 7, sizeof(sta_ctxt_cmd.pkt_ext)); 2291189b8d44SNaftali Goldstein 2292189b8d44SNaftali Goldstein /* If PPE Thresholds exist, parse them into a FW-familiar format. */ 2293514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.phy_cap_info[6] & 2294514c3069SLuca Coelho IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2295514c3069SLuca Coelho u8 nss = (sta->he_cap.ppe_thres[0] & 2296514c3069SLuca Coelho IEEE80211_PPE_THRES_NSS_MASK) + 1; 2297514c3069SLuca Coelho u8 ru_index_bitmap = 2298514c3069SLuca Coelho (sta->he_cap.ppe_thres[0] & 2299514c3069SLuca Coelho IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK) >> 2300514c3069SLuca Coelho IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS; 2301514c3069SLuca Coelho u8 *ppe = &sta->he_cap.ppe_thres[0]; 2302514c3069SLuca Coelho u8 ppe_pos_bit = 7; /* Starting after PPE header */ 2303514c3069SLuca Coelho 2304514c3069SLuca Coelho /* 2305514c3069SLuca Coelho * FW currently supports only nss == MAX_HE_SUPP_NSS 2306514c3069SLuca Coelho * 2307514c3069SLuca Coelho * If nss > MAX: we can ignore values we don't support 2308514c3069SLuca Coelho * If nss < MAX: we can set zeros in other streams 2309514c3069SLuca Coelho */ 2310514c3069SLuca Coelho if (nss > MAX_HE_SUPP_NSS) { 2311514c3069SLuca Coelho IWL_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, 2312514c3069SLuca Coelho MAX_HE_SUPP_NSS); 2313514c3069SLuca Coelho nss = MAX_HE_SUPP_NSS; 2314514c3069SLuca Coelho } 2315514c3069SLuca Coelho 2316514c3069SLuca Coelho for (i = 0; i < nss; i++) { 2317514c3069SLuca Coelho u8 ru_index_tmp = ru_index_bitmap << 1; 2318514c3069SLuca Coelho u8 bw; 2319514c3069SLuca Coelho 2320514c3069SLuca Coelho for (bw = 0; bw < MAX_HE_CHANNEL_BW_INDX; bw++) { 2321514c3069SLuca Coelho ru_index_tmp >>= 1; 2322514c3069SLuca Coelho if (!(ru_index_tmp & 1)) 2323514c3069SLuca Coelho continue; 2324514c3069SLuca Coelho 2325514c3069SLuca Coelho sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][1] = 2326514c3069SLuca Coelho iwl_mvm_he_get_ppe_val(ppe, 2327514c3069SLuca Coelho ppe_pos_bit); 2328514c3069SLuca Coelho ppe_pos_bit += 2329514c3069SLuca Coelho IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2330514c3069SLuca Coelho sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][0] = 2331514c3069SLuca Coelho iwl_mvm_he_get_ppe_val(ppe, 2332514c3069SLuca Coelho ppe_pos_bit); 2333514c3069SLuca Coelho ppe_pos_bit += 2334514c3069SLuca Coelho IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2335514c3069SLuca Coelho } 2336514c3069SLuca Coelho } 2337514c3069SLuca Coelho 2338514c3069SLuca Coelho flags |= STA_CTXT_HE_PACKET_EXT; 233977ff2c6bSLiad Kaufman } else if ((sta->he_cap.he_cap_elem.phy_cap_info[9] & 234077ff2c6bSLiad Kaufman IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK) != 234177ff2c6bSLiad Kaufman IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED) { 234277ff2c6bSLiad Kaufman int low_th = -1; 234377ff2c6bSLiad Kaufman int high_th = -1; 234477ff2c6bSLiad Kaufman 234577ff2c6bSLiad Kaufman /* Take the PPE thresholds from the nominal padding info */ 234677ff2c6bSLiad Kaufman switch (sta->he_cap.he_cap_elem.phy_cap_info[9] & 234777ff2c6bSLiad Kaufman IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK) { 234877ff2c6bSLiad Kaufman case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US: 234977ff2c6bSLiad Kaufman low_th = IWL_HE_PKT_EXT_NONE; 235077ff2c6bSLiad Kaufman high_th = IWL_HE_PKT_EXT_NONE; 235177ff2c6bSLiad Kaufman break; 235277ff2c6bSLiad Kaufman case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US: 235377ff2c6bSLiad Kaufman low_th = IWL_HE_PKT_EXT_BPSK; 235477ff2c6bSLiad Kaufman high_th = IWL_HE_PKT_EXT_NONE; 235577ff2c6bSLiad Kaufman break; 235677ff2c6bSLiad Kaufman case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US: 235777ff2c6bSLiad Kaufman low_th = IWL_HE_PKT_EXT_NONE; 235877ff2c6bSLiad Kaufman high_th = IWL_HE_PKT_EXT_BPSK; 235977ff2c6bSLiad Kaufman break; 236077ff2c6bSLiad Kaufman } 236177ff2c6bSLiad Kaufman 236277ff2c6bSLiad Kaufman /* Set the PPE thresholds accordingly */ 236377ff2c6bSLiad Kaufman if (low_th >= 0 && high_th >= 0) { 23640bfefe2fSLiad Kaufman struct iwl_he_pkt_ext *pkt_ext = 23650bfefe2fSLiad Kaufman (struct iwl_he_pkt_ext *)&sta_ctxt_cmd.pkt_ext; 236677ff2c6bSLiad Kaufman 236777ff2c6bSLiad Kaufman for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 236877ff2c6bSLiad Kaufman u8 bw; 236977ff2c6bSLiad Kaufman 237077ff2c6bSLiad Kaufman for (bw = 0; bw < MAX_HE_CHANNEL_BW_INDX; 237177ff2c6bSLiad Kaufman bw++) { 23720bfefe2fSLiad Kaufman pkt_ext->pkt_ext_qam_th[i][bw][0] = 23730bfefe2fSLiad Kaufman low_th; 23740bfefe2fSLiad Kaufman pkt_ext->pkt_ext_qam_th[i][bw][1] = 23750bfefe2fSLiad Kaufman high_th; 237677ff2c6bSLiad Kaufman } 237777ff2c6bSLiad Kaufman } 237877ff2c6bSLiad Kaufman 237977ff2c6bSLiad Kaufman flags |= STA_CTXT_HE_PACKET_EXT; 238077ff2c6bSLiad Kaufman } 2381514c3069SLuca Coelho } 2382514c3069SLuca Coelho rcu_read_unlock(); 2383514c3069SLuca Coelho 2384514c3069SLuca Coelho /* Mark MU EDCA as enabled, unless none detected on some AC */ 2385514c3069SLuca Coelho flags |= STA_CTXT_HE_MU_EDCA_CW; 23865cc74f65SShaul Triebitz for (i = 0; i < IEEE80211_NUM_ACS; i++) { 2387514c3069SLuca Coelho struct ieee80211_he_mu_edca_param_ac_rec *mu_edca = 2388514c3069SLuca Coelho &mvmvif->queue_params[i].mu_edca_param_rec; 23895cc74f65SShaul Triebitz u8 ac = iwl_mvm_mac80211_ac_to_ucode_ac(i); 2390514c3069SLuca Coelho 2391514c3069SLuca Coelho if (!mvmvif->queue_params[i].mu_edca) { 2392514c3069SLuca Coelho flags &= ~STA_CTXT_HE_MU_EDCA_CW; 2393514c3069SLuca Coelho break; 2394514c3069SLuca Coelho } 2395514c3069SLuca Coelho 23965cc74f65SShaul Triebitz sta_ctxt_cmd.trig_based_txf[ac].cwmin = 2397514c3069SLuca Coelho cpu_to_le16(mu_edca->ecw_min_max & 0xf); 23985cc74f65SShaul Triebitz sta_ctxt_cmd.trig_based_txf[ac].cwmax = 2399514c3069SLuca Coelho cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); 24005cc74f65SShaul Triebitz sta_ctxt_cmd.trig_based_txf[ac].aifsn = 2401514c3069SLuca Coelho cpu_to_le16(mu_edca->aifsn); 24025cc74f65SShaul Triebitz sta_ctxt_cmd.trig_based_txf[ac].mu_time = 2403514c3069SLuca Coelho cpu_to_le16(mu_edca->mu_edca_timer); 2404514c3069SLuca Coelho } 2405514c3069SLuca Coelho 2406514c3069SLuca Coelho if (vif->bss_conf.multi_sta_back_32bit) 2407514c3069SLuca Coelho flags |= STA_CTXT_HE_32BIT_BA_BITMAP; 2408514c3069SLuca Coelho 2409514c3069SLuca Coelho if (vif->bss_conf.ack_enabled) 2410514c3069SLuca Coelho flags |= STA_CTXT_HE_ACK_ENABLED; 2411514c3069SLuca Coelho 2412514c3069SLuca Coelho if (vif->bss_conf.uora_exists) { 2413514c3069SLuca Coelho flags |= STA_CTXT_HE_TRIG_RND_ALLOC; 2414514c3069SLuca Coelho 2415514c3069SLuca Coelho sta_ctxt_cmd.rand_alloc_ecwmin = 2416514c3069SLuca Coelho vif->bss_conf.uora_ocw_range & 0x7; 2417514c3069SLuca Coelho sta_ctxt_cmd.rand_alloc_ecwmax = 2418514c3069SLuca Coelho (vif->bss_conf.uora_ocw_range >> 3) & 0x7; 2419514c3069SLuca Coelho } 2420514c3069SLuca Coelho 2421918cbf39SSara Sharon if (vif->bss_conf.nontransmitted) { 2422918cbf39SSara Sharon flags |= STA_CTXT_HE_REF_BSSID_VALID; 2423918cbf39SSara Sharon ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr, 2424918cbf39SSara Sharon vif->bss_conf.transmitter_bssid); 2425d14ae796SSara Sharon sta_ctxt_cmd.max_bssid_indicator = 2426d14ae796SSara Sharon vif->bss_conf.bssid_indicator; 2427d14ae796SSara Sharon sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index; 2428d14ae796SSara Sharon sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap; 2429d14ae796SSara Sharon sta_ctxt_cmd.profile_periodicity = 2430d14ae796SSara Sharon vif->bss_conf.profile_periodicity; 2431918cbf39SSara Sharon } 2432514c3069SLuca Coelho 2433514c3069SLuca Coelho sta_ctxt_cmd.flags = cpu_to_le32(flags); 2434514c3069SLuca Coelho 2435514c3069SLuca Coelho if (iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(STA_HE_CTXT_CMD, 2436514c3069SLuca Coelho DATA_PATH_GROUP, 0), 2437d14ae796SSara Sharon 0, size, &sta_ctxt_cmd)) 2438514c3069SLuca Coelho IWL_ERR(mvm, "Failed to config FW to work HE!\n"); 2439514c3069SLuca Coelho } 2440514c3069SLuca Coelho 2441e705c121SKalle Valo static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 2442e705c121SKalle Valo struct ieee80211_vif *vif, 2443e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2444e705c121SKalle Valo u32 changes) 2445e705c121SKalle Valo { 2446e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2447e705c121SKalle Valo int ret; 2448e705c121SKalle Valo 2449e705c121SKalle Valo /* 2450e705c121SKalle Valo * Re-calculate the tsf id, as the master-slave relations depend on the 2451e705c121SKalle Valo * beacon interval, which was not known when the station interface was 2452e705c121SKalle Valo * added. 2453e705c121SKalle Valo */ 2454514c3069SLuca Coelho if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc) { 2455230ba6c5SLuca Coelho if (vif->bss_conf.he_support && 2456230ba6c5SLuca Coelho !iwlwifi_mod_params.disable_11ax) 2457514c3069SLuca Coelho iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id); 2458514c3069SLuca Coelho 2459e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2460514c3069SLuca Coelho } 2461e705c121SKalle Valo 246240ecdd01SShaul Triebitz /* Update MU EDCA params */ 246340ecdd01SShaul Triebitz if (changes & BSS_CHANGED_QOS && mvmvif->associated && 246440ecdd01SShaul Triebitz bss_conf->assoc && vif->bss_conf.he_support && 246540ecdd01SShaul Triebitz !iwlwifi_mod_params.disable_11ax) 246640ecdd01SShaul Triebitz iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id); 246740ecdd01SShaul Triebitz 2468e705c121SKalle Valo /* 2469e705c121SKalle Valo * If we're not associated yet, take the (new) BSSID before associating 2470e705c121SKalle Valo * so the firmware knows. If we're already associated, then use the old 2471e705c121SKalle Valo * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 2472e705c121SKalle Valo * branch for disassociation below. 2473e705c121SKalle Valo */ 2474e705c121SKalle Valo if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 2475e705c121SKalle Valo memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); 2476e705c121SKalle Valo 2477e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid); 2478e705c121SKalle Valo if (ret) 2479e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2480e705c121SKalle Valo 2481e705c121SKalle Valo /* after sending it once, adopt mac80211 data */ 2482e705c121SKalle Valo memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); 2483e705c121SKalle Valo mvmvif->associated = bss_conf->assoc; 2484e705c121SKalle Valo 2485e705c121SKalle Valo if (changes & BSS_CHANGED_ASSOC) { 2486e705c121SKalle Valo if (bss_conf->assoc) { 2487e705c121SKalle Valo /* clear statistics to get clean beacon counter */ 2488e705c121SKalle Valo iwl_mvm_request_statistics(mvm, true); 2489e705c121SKalle Valo memset(&mvmvif->beacon_stats, 0, 2490e705c121SKalle Valo sizeof(mvmvif->beacon_stats)); 2491e705c121SKalle Valo 2492e705c121SKalle Valo /* add quota for this interface */ 2493e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 2494e705c121SKalle Valo if (ret) { 2495e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 2496e705c121SKalle Valo return; 2497e705c121SKalle Valo } 2498e705c121SKalle Valo 2499e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2500e705c121SKalle Valo &mvm->status)) { 2501e705c121SKalle Valo /* 2502e705c121SKalle Valo * If we're restarting then the firmware will 2503e705c121SKalle Valo * obviously have lost synchronisation with 2504e705c121SKalle Valo * the AP. It will attempt to synchronise by 2505e705c121SKalle Valo * itself, but we can make it more reliable by 2506e705c121SKalle Valo * scheduling a session protection time event. 2507e705c121SKalle Valo * 2508e705c121SKalle Valo * The firmware needs to receive a beacon to 2509e705c121SKalle Valo * catch up with synchronisation, use 110% of 2510e705c121SKalle Valo * the beacon interval. 2511e705c121SKalle Valo * 2512e705c121SKalle Valo * Set a large maximum delay to allow for more 2513e705c121SKalle Valo * than a single interface. 2514e705c121SKalle Valo */ 2515e705c121SKalle Valo u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 2516e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, dur, dur, 2517e705c121SKalle Valo 5 * dur, false); 2518e705c121SKalle Valo } 2519e705c121SKalle Valo 2520e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 2521e705c121SKalle Valo iwl_mvm_power_vif_assoc(mvm, vif); 2522e705c121SKalle Valo if (vif->p2p) { 2523e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT); 2524e705c121SKalle Valo iwl_mvm_update_smps(mvm, vif, 2525e705c121SKalle Valo IWL_MVM_SMPS_REQ_PROT, 2526e705c121SKalle Valo IEEE80211_SMPS_DYNAMIC); 2527e705c121SKalle Valo } 25280ae98812SSara Sharon } else if (mvmvif->ap_sta_id != IWL_MVM_INVALID_STA) { 2529e705c121SKalle Valo /* 2530e705c121SKalle Valo * If update fails - SF might be running in associated 2531e705c121SKalle Valo * mode while disassociated - which is forbidden. 2532e705c121SKalle Valo */ 253369e508b4SIlan Peer ret = iwl_mvm_sf_update(mvm, vif, false); 253469e508b4SIlan Peer WARN_ONCE(ret && 253569e508b4SIlan Peer !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 253669e508b4SIlan Peer &mvm->status), 2537e705c121SKalle Valo "Failed to update SF upon disassociation\n"); 2538e705c121SKalle Valo 25396b28f978SEmmanuel Grumbach /* 25406b28f978SEmmanuel Grumbach * If we get an assert during the connection (after the 25416b28f978SEmmanuel Grumbach * station has been added, but before the vif is set 25426b28f978SEmmanuel Grumbach * to associated), mac80211 will re-add the station and 25436b28f978SEmmanuel Grumbach * then configure the vif. Since the vif is not 25446b28f978SEmmanuel Grumbach * associated, we would remove the station here and 25456b28f978SEmmanuel Grumbach * this would fail the recovery. 25466b28f978SEmmanuel Grumbach */ 25476b28f978SEmmanuel Grumbach if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 25486b28f978SEmmanuel Grumbach &mvm->status)) { 25496b28f978SEmmanuel Grumbach /* 25506b28f978SEmmanuel Grumbach * Remove AP station now that 25516b28f978SEmmanuel Grumbach * the MAC is unassoc 25526b28f978SEmmanuel Grumbach */ 25536b28f978SEmmanuel Grumbach ret = iwl_mvm_rm_sta_id(mvm, vif, 25546b28f978SEmmanuel Grumbach mvmvif->ap_sta_id); 2555e705c121SKalle Valo if (ret) 25566b28f978SEmmanuel Grumbach IWL_ERR(mvm, 25576b28f978SEmmanuel Grumbach "failed to remove AP station\n"); 2558e705c121SKalle Valo 2559e705c121SKalle Valo if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id) 25606b28f978SEmmanuel Grumbach mvm->d0i3_ap_sta_id = 25616b28f978SEmmanuel Grumbach IWL_MVM_INVALID_STA; 25620ae98812SSara Sharon mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; 25636b28f978SEmmanuel Grumbach } 25646b28f978SEmmanuel Grumbach 2565e705c121SKalle Valo /* remove quota for this interface */ 2566e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2567e705c121SKalle Valo if (ret) 2568e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 2569e705c121SKalle Valo 2570e705c121SKalle Valo if (vif->p2p) 2571e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT); 2572e705c121SKalle Valo 2573e705c121SKalle Valo /* this will take the cleared BSSID from bss_conf */ 2574e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2575e705c121SKalle Valo if (ret) 2576e705c121SKalle Valo IWL_ERR(mvm, 2577e705c121SKalle Valo "failed to update MAC %pM (clear after unassoc)\n", 2578e705c121SKalle Valo vif->addr); 2579e705c121SKalle Valo } 2580e705c121SKalle Valo 2581a07a8f37SSara Sharon /* 2582a07a8f37SSara Sharon * The firmware tracks the MU-MIMO group on its own. 2583f92659a1SSara Sharon * However, on HW restart we should restore this data. 2584a07a8f37SSara Sharon */ 2585a07a8f37SSara Sharon if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2586f92659a1SSara Sharon (changes & BSS_CHANGED_MU_GROUPS) && vif->mu_mimo_owner) { 2587a07a8f37SSara Sharon ret = iwl_mvm_update_mu_groups(mvm, vif); 2588a07a8f37SSara Sharon if (ret) 2589a07a8f37SSara Sharon IWL_ERR(mvm, 2590a07a8f37SSara Sharon "failed to update VHT MU_MIMO groups\n"); 2591a07a8f37SSara Sharon } 2592a07a8f37SSara Sharon 2593e705c121SKalle Valo iwl_mvm_recalc_multicast(mvm); 259434672bb3SEliad Peller iwl_mvm_configure_bcast_filter(mvm); 2595e705c121SKalle Valo 2596e705c121SKalle Valo /* reset rssi values */ 2597e705c121SKalle Valo mvmvif->bf_data.ave_beacon_signal = 0; 2598e705c121SKalle Valo 2599e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2600e705c121SKalle Valo iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2601e705c121SKalle Valo IEEE80211_SMPS_AUTOMATIC); 2602355346baSAvraham Stern if (fw_has_capa(&mvm->fw->ucode_capa, 2603355346baSAvraham Stern IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2604355346baSAvraham Stern iwl_mvm_config_scan(mvm); 2605b45242c9SAvraham Stern } 2606b45242c9SAvraham Stern 2607b45242c9SAvraham Stern if (changes & BSS_CHANGED_BEACON_INFO) { 2608e705c121SKalle Valo /* 2609b45242c9SAvraham Stern * We received a beacon from the associated AP so 2610e705c121SKalle Valo * remove the session protection. 2611e705c121SKalle Valo */ 26123edfb5f4SAvraham Stern iwl_mvm_stop_session_protection(mvm, vif); 2613e705c121SKalle Valo 2614e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 2615e705c121SKalle Valo WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 2616e705c121SKalle Valo } 2617e705c121SKalle Valo 2618283115fbSAvri Altman if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2619283115fbSAvri Altman /* 2620283115fbSAvri Altman * Send power command on every beacon change, 2621283115fbSAvri Altman * because we may have not enabled beacon abort yet. 2622283115fbSAvri Altman */ 2623283115fbSAvri Altman BSS_CHANGED_BEACON_INFO)) { 2624e705c121SKalle Valo ret = iwl_mvm_power_update_mac(mvm); 2625e705c121SKalle Valo if (ret) 2626e705c121SKalle Valo IWL_ERR(mvm, "failed to update power mode\n"); 2627e705c121SKalle Valo } 2628e705c121SKalle Valo 2629e705c121SKalle Valo if (changes & BSS_CHANGED_TXPOWER) { 2630e705c121SKalle Valo IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", 2631e705c121SKalle Valo bss_conf->txpower); 2632e705c121SKalle Valo iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 2633e705c121SKalle Valo } 2634e705c121SKalle Valo 2635e705c121SKalle Valo if (changes & BSS_CHANGED_CQM) { 2636e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n"); 2637e705c121SKalle Valo /* reset cqm events tracking */ 2638e705c121SKalle Valo mvmvif->bf_data.last_cqm_event = 0; 2639e705c121SKalle Valo if (mvmvif->bf_data.bf_enabled) { 2640e705c121SKalle Valo ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 2641e705c121SKalle Valo if (ret) 2642e705c121SKalle Valo IWL_ERR(mvm, 2643e705c121SKalle Valo "failed to update CQM thresholds\n"); 2644e705c121SKalle Valo } 2645e705c121SKalle Valo } 2646e705c121SKalle Valo 2647e705c121SKalle Valo if (changes & BSS_CHANGED_ARP_FILTER) { 2648e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "arp filter changed\n"); 264934672bb3SEliad Peller iwl_mvm_configure_bcast_filter(mvm); 2650e705c121SKalle Valo } 2651e705c121SKalle Valo } 2652e705c121SKalle Valo 2653e705c121SKalle Valo static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 2654e705c121SKalle Valo struct ieee80211_vif *vif) 2655e705c121SKalle Valo { 2656e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2657e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2658c56e00a3SJohannes Berg int ret, i; 2659e705c121SKalle Valo 2660e705c121SKalle Valo /* 2661e705c121SKalle Valo * iwl_mvm_mac_ctxt_add() might read directly from the device 2662e705c121SKalle Valo * (the system time), so make sure it is available. 2663e705c121SKalle Valo */ 2664e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP); 2665e705c121SKalle Valo if (ret) 2666e705c121SKalle Valo return ret; 2667e705c121SKalle Valo 2668e705c121SKalle Valo mutex_lock(&mvm->mutex); 2669e705c121SKalle Valo 2670e705c121SKalle Valo /* Send the beacon template */ 2671e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif); 2672e705c121SKalle Valo if (ret) 2673e705c121SKalle Valo goto out_unlock; 2674e705c121SKalle Valo 2675e705c121SKalle Valo /* 2676e705c121SKalle Valo * Re-calculate the tsf id, as the master-slave relations depend on the 2677e705c121SKalle Valo * beacon interval, which was not known when the AP interface was added. 2678e705c121SKalle Valo */ 2679e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) 2680e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2681e705c121SKalle Valo 2682e705c121SKalle Valo mvmvif->ap_assoc_sta_count = 0; 2683e705c121SKalle Valo 2684e705c121SKalle Valo /* Add the mac context */ 2685e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 2686e705c121SKalle Valo if (ret) 2687e705c121SKalle Valo goto out_unlock; 2688e705c121SKalle Valo 2689e705c121SKalle Valo /* Perform the binding */ 2690e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 2691e705c121SKalle Valo if (ret) 2692e705c121SKalle Valo goto out_remove; 2693e705c121SKalle Valo 269463dd5d02SSara Sharon /* 269563dd5d02SSara Sharon * This is not very nice, but the simplest: 269663dd5d02SSara Sharon * For older FWs adding the mcast sta before the bcast station may 269763dd5d02SSara Sharon * cause assert 0x2b00. 269863dd5d02SSara Sharon * This is fixed in later FW so make the order of removal depend on 269963dd5d02SSara Sharon * the TLV 270063dd5d02SSara Sharon */ 270163dd5d02SSara Sharon if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { 2702ced19f26SSara Sharon ret = iwl_mvm_add_mcast_sta(mvm, vif); 2703ced19f26SSara Sharon if (ret) 2704ced19f26SSara Sharon goto out_unbind; 270563dd5d02SSara Sharon /* 270663dd5d02SSara Sharon * Send the bcast station. At this stage the TBTT and DTIM time 270763dd5d02SSara Sharon * events are added and applied to the scheduler 270863dd5d02SSara Sharon */ 2709e705c121SKalle Valo ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 271063dd5d02SSara Sharon if (ret) { 271163dd5d02SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 271263dd5d02SSara Sharon goto out_unbind; 271363dd5d02SSara Sharon } 271463dd5d02SSara Sharon } else { 271563dd5d02SSara Sharon /* 271663dd5d02SSara Sharon * Send the bcast station. At this stage the TBTT and DTIM time 271763dd5d02SSara Sharon * events are added and applied to the scheduler 271863dd5d02SSara Sharon */ 271975fd4fecSJohannes Berg ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 2720e705c121SKalle Valo if (ret) 272163dd5d02SSara Sharon goto out_unbind; 272275fd4fecSJohannes Berg ret = iwl_mvm_add_mcast_sta(mvm, vif); 272363dd5d02SSara Sharon if (ret) { 272463dd5d02SSara Sharon iwl_mvm_send_rm_bcast_sta(mvm, vif); 272563dd5d02SSara Sharon goto out_unbind; 272663dd5d02SSara Sharon } 272763dd5d02SSara Sharon } 272826d6c16bSSara Sharon 2729e705c121SKalle Valo /* must be set before quota calculations */ 2730e705c121SKalle Valo mvmvif->ap_ibss_active = true; 2731e705c121SKalle Valo 2732c56e00a3SJohannes Berg /* send all the early keys to the device now */ 2733c56e00a3SJohannes Berg for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 2734c56e00a3SJohannes Berg struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i]; 2735c56e00a3SJohannes Berg 2736c56e00a3SJohannes Berg if (!key) 2737c56e00a3SJohannes Berg continue; 2738c56e00a3SJohannes Berg 2739c56e00a3SJohannes Berg mvmvif->ap_early_keys[i] = NULL; 2740c56e00a3SJohannes Berg 2741c56e00a3SJohannes Berg ret = iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key); 2742c56e00a3SJohannes Berg if (ret) 2743c56e00a3SJohannes Berg goto out_quota_failed; 2744c56e00a3SJohannes Berg } 2745c56e00a3SJohannes Berg 274647242744STova Mussai if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 274747242744STova Mussai iwl_mvm_vif_set_low_latency(mvmvif, true, 274847242744STova Mussai LOW_LATENCY_VIF_TYPE); 274947242744STova Mussai iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); 275047242744STova Mussai } 275147242744STova Mussai 2752e705c121SKalle Valo /* power updated needs to be done before quotas */ 2753e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2754e705c121SKalle Valo 2755e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2756e705c121SKalle Valo if (ret) 2757e705c121SKalle Valo goto out_quota_failed; 2758e705c121SKalle Valo 2759e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2760e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2761e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2762e705c121SKalle Valo 2763e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS); 2764e705c121SKalle Valo 2765e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2766e705c121SKalle Valo 2767e705c121SKalle Valo /* we don't support TDLS during DCM */ 2768e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 2769e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 2770e705c121SKalle Valo 2771b73f9a4aSJohannes Berg iwl_mvm_ftm_restart_responder(mvm, vif); 2772b73f9a4aSJohannes Berg 2773e705c121SKalle Valo goto out_unlock; 2774e705c121SKalle Valo 2775e705c121SKalle Valo out_quota_failed: 2776e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2777e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2778e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2779ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2780e705c121SKalle Valo out_unbind: 2781e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2782e705c121SKalle Valo out_remove: 2783e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2784e705c121SKalle Valo out_unlock: 2785e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2786e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP); 2787e705c121SKalle Valo return ret; 2788e705c121SKalle Valo } 2789e705c121SKalle Valo 2790e705c121SKalle Valo static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 2791e705c121SKalle Valo struct ieee80211_vif *vif) 2792e705c121SKalle Valo { 2793e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2794e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2795e705c121SKalle Valo 2796e705c121SKalle Valo iwl_mvm_prepare_mac_removal(mvm, vif); 2797e705c121SKalle Valo 2798e705c121SKalle Valo mutex_lock(&mvm->mutex); 2799e705c121SKalle Valo 2800e705c121SKalle Valo /* Handle AP stop while in CSA */ 2801e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_vif) == vif) { 2802e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, 2803e705c121SKalle Valo &mvmvif->time_event_data); 2804e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_vif, NULL); 2805e705c121SKalle Valo mvmvif->csa_countdown = false; 2806e705c121SKalle Valo } 2807e705c121SKalle Valo 2808e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 2809e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 2810e705c121SKalle Valo mvm->csa_tx_block_bcn_timeout = 0; 2811e705c121SKalle Valo } 2812e705c121SKalle Valo 2813e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2814e705c121SKalle Valo mvm->ap_last_beacon_gp2 = 0; 2815e705c121SKalle Valo 281647242744STova Mussai if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 281747242744STova Mussai iwl_mvm_vif_set_low_latency(mvmvif, false, 281847242744STova Mussai LOW_LATENCY_VIF_TYPE); 281947242744STova Mussai iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); 282047242744STova Mussai } 282147242744STova Mussai 2822e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2823e705c121SKalle Valo 2824e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS); 2825e705c121SKalle Valo 2826e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2827e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2828e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2829e705c121SKalle Valo 2830e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 2831ced19f26SSara Sharon 2832ced19f26SSara Sharon /* 2833ced19f26SSara Sharon * This is not very nice, but the simplest: 2834ced19f26SSara Sharon * For older FWs removing the mcast sta before the bcast station may 2835ced19f26SSara Sharon * cause assert 0x2b00. 2836ced19f26SSara Sharon * This is fixed in later FW (which will stop beaconing when removing 2837ced19f26SSara Sharon * bcast station). 2838ced19f26SSara Sharon * So make the order of removal depend on the TLV 2839ced19f26SSara Sharon */ 2840ced19f26SSara Sharon if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 284126d6c16bSSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2842e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2843ced19f26SSara Sharon if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 2844ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2845e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2846e705c121SKalle Valo 2847e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2848e705c121SKalle Valo 2849e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2850e705c121SKalle Valo 2851e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2852e705c121SKalle Valo } 2853e705c121SKalle Valo 2854e705c121SKalle Valo static void 2855e705c121SKalle Valo iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 2856e705c121SKalle Valo struct ieee80211_vif *vif, 2857e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2858e705c121SKalle Valo u32 changes) 2859e705c121SKalle Valo { 2860e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2861e705c121SKalle Valo 2862e705c121SKalle Valo /* Changes will be applied when the AP/IBSS is started */ 2863e705c121SKalle Valo if (!mvmvif->ap_ibss_active) 2864e705c121SKalle Valo return; 2865e705c121SKalle Valo 2866e705c121SKalle Valo if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 2867e705c121SKalle Valo BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 2868e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 2869e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2870e705c121SKalle Valo 2871e705c121SKalle Valo /* Need to send a new beacon template to the FW */ 2872e705c121SKalle Valo if (changes & BSS_CHANGED_BEACON && 2873e705c121SKalle Valo iwl_mvm_mac_ctxt_beacon_changed(mvm, vif)) 2874e705c121SKalle Valo IWL_WARN(mvm, "Failed updating beacon data\n"); 2875e705c121SKalle Valo 2876e705c121SKalle Valo if (changes & BSS_CHANGED_TXPOWER) { 2877e705c121SKalle Valo IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", 2878e705c121SKalle Valo bss_conf->txpower); 2879e705c121SKalle Valo iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 2880e705c121SKalle Valo } 2881b73f9a4aSJohannes Berg 2882b73f9a4aSJohannes Berg if (changes & BSS_CHANGED_FTM_RESPONDER) { 2883b73f9a4aSJohannes Berg int ret = iwl_mvm_ftm_start_responder(mvm, vif); 2884b73f9a4aSJohannes Berg 2885b73f9a4aSJohannes Berg if (ret) 2886b73f9a4aSJohannes Berg IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n", 2887b73f9a4aSJohannes Berg ret); 2888b73f9a4aSJohannes Berg } 2889b73f9a4aSJohannes Berg 2890e705c121SKalle Valo } 2891e705c121SKalle Valo 2892e705c121SKalle Valo static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 2893e705c121SKalle Valo struct ieee80211_vif *vif, 2894e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2895e705c121SKalle Valo u32 changes) 2896e705c121SKalle Valo { 2897e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2898e705c121SKalle Valo 2899e705c121SKalle Valo /* 2900e705c121SKalle Valo * iwl_mvm_bss_info_changed_station() might call 2901e705c121SKalle Valo * iwl_mvm_protect_session(), which reads directly from 2902e705c121SKalle Valo * the device (the system time), so make sure it is available. 2903e705c121SKalle Valo */ 2904e705c121SKalle Valo if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED)) 2905e705c121SKalle Valo return; 2906e705c121SKalle Valo 2907e705c121SKalle Valo mutex_lock(&mvm->mutex); 2908e705c121SKalle Valo 2909e705c121SKalle Valo if (changes & BSS_CHANGED_IDLE && !bss_conf->idle) 2910e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 2911e705c121SKalle Valo 2912e705c121SKalle Valo switch (vif->type) { 2913e705c121SKalle Valo case NL80211_IFTYPE_STATION: 2914e705c121SKalle Valo iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); 2915e705c121SKalle Valo break; 2916e705c121SKalle Valo case NL80211_IFTYPE_AP: 2917e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 2918e705c121SKalle Valo iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); 2919e705c121SKalle Valo break; 292091b08c2dSAviya Erenfeld case NL80211_IFTYPE_MONITOR: 292191b08c2dSAviya Erenfeld if (changes & BSS_CHANGED_MU_GROUPS) 292291b08c2dSAviya Erenfeld iwl_mvm_update_mu_groups(mvm, vif); 292391b08c2dSAviya Erenfeld break; 2924e705c121SKalle Valo default: 2925e705c121SKalle Valo /* shouldn't happen */ 2926e705c121SKalle Valo WARN_ON_ONCE(1); 2927e705c121SKalle Valo } 2928e705c121SKalle Valo 2929e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2930e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED); 2931e705c121SKalle Valo } 2932e705c121SKalle Valo 2933e705c121SKalle Valo static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, 2934e705c121SKalle Valo struct ieee80211_vif *vif, 2935e705c121SKalle Valo struct ieee80211_scan_request *hw_req) 2936e705c121SKalle Valo { 2937e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2938e705c121SKalle Valo int ret; 2939e705c121SKalle Valo 2940e705c121SKalle Valo if (hw_req->req.n_channels == 0 || 2941e705c121SKalle Valo hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 2942e705c121SKalle Valo return -EINVAL; 2943e705c121SKalle Valo 2944e705c121SKalle Valo mutex_lock(&mvm->mutex); 2945e705c121SKalle Valo ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 2946e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2947e705c121SKalle Valo 2948e705c121SKalle Valo return ret; 2949e705c121SKalle Valo } 2950e705c121SKalle Valo 2951e705c121SKalle Valo static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 2952e705c121SKalle Valo struct ieee80211_vif *vif) 2953e705c121SKalle Valo { 2954e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2955e705c121SKalle Valo 2956e705c121SKalle Valo mutex_lock(&mvm->mutex); 2957e705c121SKalle Valo 2958e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 2959e705c121SKalle Valo * us to stop a hw_scan when it's already stopped. This can 2960e705c121SKalle Valo * happen, for instance, if we stopped the scan ourselves, 2961e705c121SKalle Valo * called ieee80211_scan_completed() and the userspace called 2962e705c121SKalle Valo * cancel scan scan before ieee80211_scan_work() could run. 2963e705c121SKalle Valo * To handle that, simply return if the scan is not running. 2964e705c121SKalle Valo */ 2965e705c121SKalle Valo if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 2966e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 2967e705c121SKalle Valo 2968e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2969e705c121SKalle Valo } 2970e705c121SKalle Valo 2971e705c121SKalle Valo static void 2972e705c121SKalle Valo iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, 2973e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 2974e705c121SKalle Valo int num_frames, 2975e705c121SKalle Valo enum ieee80211_frame_release_type reason, 2976e705c121SKalle Valo bool more_data) 2977e705c121SKalle Valo { 2978e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2979e705c121SKalle Valo 2980e705c121SKalle Valo /* Called when we need to transmit (a) frame(s) from mac80211 */ 2981e705c121SKalle Valo 2982e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 2983e705c121SKalle Valo tids, more_data, false); 2984e705c121SKalle Valo } 2985e705c121SKalle Valo 2986e705c121SKalle Valo static void 2987e705c121SKalle Valo iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, 2988e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 2989e705c121SKalle Valo int num_frames, 2990e705c121SKalle Valo enum ieee80211_frame_release_type reason, 2991e705c121SKalle Valo bool more_data) 2992e705c121SKalle Valo { 2993e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2994e705c121SKalle Valo 29959a3fcf91SSara Sharon /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ 2996e705c121SKalle Valo 2997e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 2998e705c121SKalle Valo tids, more_data, true); 2999e705c121SKalle Valo } 3000e705c121SKalle Valo 300165e25482SJohannes Berg static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 3002e705c121SKalle Valo enum sta_notify_cmd cmd, 3003e705c121SKalle Valo struct ieee80211_sta *sta) 3004e705c121SKalle Valo { 3005e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3006e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 3007e705c121SKalle Valo unsigned long txqs = 0, tids = 0; 3008e705c121SKalle Valo int tid; 3009e705c121SKalle Valo 3010960f864bSJohannes Berg /* 3011960f864bSJohannes Berg * If we have TVQM then we get too high queue numbers - luckily 3012960f864bSJohannes Berg * we really shouldn't get here with that because such hardware 3013960f864bSJohannes Berg * should have firmware supporting buffer station offload. 3014960f864bSJohannes Berg */ 3015960f864bSJohannes Berg if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 3016960f864bSJohannes Berg return; 3017960f864bSJohannes Berg 3018e705c121SKalle Valo spin_lock_bh(&mvmsta->lock); 3019311590a3SEmmanuel Grumbach for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) { 3020e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 3021e705c121SKalle Valo 30226862fceeSSara Sharon if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 30231c17627bSSara Sharon continue; 30241c17627bSSara Sharon 3025e705c121SKalle Valo __set_bit(tid_data->txq_id, &txqs); 3026e705c121SKalle Valo 3027dd32162dSLiad Kaufman if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 3028e705c121SKalle Valo continue; 3029e705c121SKalle Valo 3030e705c121SKalle Valo __set_bit(tid, &tids); 3031e705c121SKalle Valo } 3032e705c121SKalle Valo 3033e705c121SKalle Valo switch (cmd) { 3034e705c121SKalle Valo case STA_NOTIFY_SLEEP: 3035e705c121SKalle Valo for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 3036e705c121SKalle Valo ieee80211_sta_set_buffered(sta, tid, true); 3037e705c121SKalle Valo 3038e705c121SKalle Valo if (txqs) 3039e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 3040e705c121SKalle Valo /* 3041e705c121SKalle Valo * The fw updates the STA to be asleep. Tx packets on the Tx 3042e705c121SKalle Valo * queues to this station will not be transmitted. The fw will 3043e705c121SKalle Valo * send a Tx response with TX_STATUS_FAIL_DEST_PS. 3044e705c121SKalle Valo */ 3045e705c121SKalle Valo break; 3046e705c121SKalle Valo case STA_NOTIFY_AWAKE: 30470ae98812SSara Sharon if (WARN_ON(mvmsta->sta_id == IWL_MVM_INVALID_STA)) 3048e705c121SKalle Valo break; 3049e705c121SKalle Valo 3050e705c121SKalle Valo if (txqs) 3051e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 3052e705c121SKalle Valo iwl_mvm_sta_modify_ps_wake(mvm, sta); 3053e705c121SKalle Valo break; 3054e705c121SKalle Valo default: 3055e705c121SKalle Valo break; 3056e705c121SKalle Valo } 3057e705c121SKalle Valo spin_unlock_bh(&mvmsta->lock); 3058e705c121SKalle Valo } 3059e705c121SKalle Valo 306065e25482SJohannes Berg static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 306165e25482SJohannes Berg struct ieee80211_vif *vif, 306265e25482SJohannes Berg enum sta_notify_cmd cmd, 306365e25482SJohannes Berg struct ieee80211_sta *sta) 306465e25482SJohannes Berg { 306565e25482SJohannes Berg __iwl_mvm_mac_sta_notify(hw, cmd, sta); 306665e25482SJohannes Berg } 306765e25482SJohannes Berg 306865e25482SJohannes Berg void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 306965e25482SJohannes Berg { 307065e25482SJohannes Berg struct iwl_rx_packet *pkt = rxb_addr(rxb); 307165e25482SJohannes Berg struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 307265e25482SJohannes Berg struct ieee80211_sta *sta; 307365e25482SJohannes Berg struct iwl_mvm_sta *mvmsta; 307465e25482SJohannes Berg bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 307565e25482SJohannes Berg 307665e25482SJohannes Berg if (WARN_ON(notif->sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))) 307765e25482SJohannes Berg return; 307865e25482SJohannes Berg 307965e25482SJohannes Berg rcu_read_lock(); 3080a9560029SSara Sharon sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 308165e25482SJohannes Berg if (WARN_ON(IS_ERR_OR_NULL(sta))) { 308265e25482SJohannes Berg rcu_read_unlock(); 308365e25482SJohannes Berg return; 308465e25482SJohannes Berg } 308565e25482SJohannes Berg 308665e25482SJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 308765e25482SJohannes Berg 308865e25482SJohannes Berg if (!mvmsta->vif || 308965e25482SJohannes Berg mvmsta->vif->type != NL80211_IFTYPE_AP) { 309065e25482SJohannes Berg rcu_read_unlock(); 309165e25482SJohannes Berg return; 309265e25482SJohannes Berg } 309365e25482SJohannes Berg 309465e25482SJohannes Berg if (mvmsta->sleeping != sleeping) { 309565e25482SJohannes Berg mvmsta->sleeping = sleeping; 309665e25482SJohannes Berg __iwl_mvm_mac_sta_notify(mvm->hw, 309765e25482SJohannes Berg sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 309865e25482SJohannes Berg sta); 309965e25482SJohannes Berg ieee80211_sta_ps_transition(sta, sleeping); 310065e25482SJohannes Berg } 310165e25482SJohannes Berg 310265e25482SJohannes Berg if (sleeping) { 310365e25482SJohannes Berg switch (notif->type) { 310465e25482SJohannes Berg case IWL_MVM_PM_EVENT_AWAKE: 310565e25482SJohannes Berg case IWL_MVM_PM_EVENT_ASLEEP: 310665e25482SJohannes Berg break; 310765e25482SJohannes Berg case IWL_MVM_PM_EVENT_UAPSD: 310865e25482SJohannes Berg ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 310965e25482SJohannes Berg break; 311065e25482SJohannes Berg case IWL_MVM_PM_EVENT_PS_POLL: 311165e25482SJohannes Berg ieee80211_sta_pspoll(sta); 311265e25482SJohannes Berg break; 311365e25482SJohannes Berg default: 311465e25482SJohannes Berg break; 311565e25482SJohannes Berg } 311665e25482SJohannes Berg } 311765e25482SJohannes Berg 311865e25482SJohannes Berg rcu_read_unlock(); 311965e25482SJohannes Berg } 312065e25482SJohannes Berg 3121e705c121SKalle Valo static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 3122e705c121SKalle Valo struct ieee80211_vif *vif, 3123e705c121SKalle Valo struct ieee80211_sta *sta) 3124e705c121SKalle Valo { 3125e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3126e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3127e705c121SKalle Valo 3128e705c121SKalle Valo /* 3129e705c121SKalle Valo * This is called before mac80211 does RCU synchronisation, 3130e705c121SKalle Valo * so here we already invalidate our internal RCU-protected 3131e705c121SKalle Valo * station pointer. The rest of the code will thus no longer 3132e705c121SKalle Valo * be able to find the station this way, and we don't rely 3133e705c121SKalle Valo * on further RCU synchronisation after the sta_state() 3134e705c121SKalle Valo * callback deleted the station. 3135e705c121SKalle Valo */ 3136e705c121SKalle Valo mutex_lock(&mvm->mutex); 3137e705c121SKalle Valo if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id])) 3138e705c121SKalle Valo rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], 3139e705c121SKalle Valo ERR_PTR(-ENOENT)); 3140e705c121SKalle Valo 3141e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3142e705c121SKalle Valo } 3143e705c121SKalle Valo 3144e705c121SKalle Valo static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 3145e705c121SKalle Valo const u8 *bssid) 3146e705c121SKalle Valo { 3147b0ffe455SJohannes Berg int i; 3148b0ffe455SJohannes Berg 3149b0ffe455SJohannes Berg if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 3150b0ffe455SJohannes Berg struct iwl_mvm_tcm_mac *mdata; 3151b0ffe455SJohannes Berg 3152b0ffe455SJohannes Berg mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; 3153b0ffe455SJohannes Berg ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); 3154b0ffe455SJohannes Berg mdata->opened_rx_ba_sessions = false; 3155b0ffe455SJohannes Berg } 3156b0ffe455SJohannes Berg 3157e705c121SKalle Valo if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 3158e705c121SKalle Valo return; 3159e705c121SKalle Valo 3160c5241b0cSAvraham Stern if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 3161cee5a882SAvri Altman vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3162cee5a882SAvri Altman return; 3163cee5a882SAvri Altman } 3164cee5a882SAvri Altman 316511dee0b4SEmmanuel Grumbach if (!vif->p2p && 316611dee0b4SEmmanuel Grumbach (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 3167e705c121SKalle Valo vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3168e705c121SKalle Valo return; 3169e705c121SKalle Valo } 3170e705c121SKalle Valo 3171b0ffe455SJohannes Berg for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { 3172b0ffe455SJohannes Berg if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { 3173b0ffe455SJohannes Berg vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3174b0ffe455SJohannes Berg return; 3175b0ffe455SJohannes Berg } 3176b0ffe455SJohannes Berg } 3177b0ffe455SJohannes Berg 3178e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 3179e705c121SKalle Valo } 3180e705c121SKalle Valo 31811e8f1329SGolan Ben-Ami static void 31821e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 31831e8f1329SGolan Ben-Ami struct ieee80211_vif *vif, u8 *peer_addr, 31841e8f1329SGolan Ben-Ami enum nl80211_tdls_operation action) 31851e8f1329SGolan Ben-Ami { 31861e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tlv *trig; 31871e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tdls *tdls_trig; 31881e8f1329SGolan Ben-Ami 31896c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 31906c042d75SSara Sharon FW_DBG_TRIGGER_TDLS); 31916c042d75SSara Sharon if (!trig) 31921e8f1329SGolan Ben-Ami return; 31931e8f1329SGolan Ben-Ami 31941e8f1329SGolan Ben-Ami tdls_trig = (void *)trig->data; 31951e8f1329SGolan Ben-Ami 31961e8f1329SGolan Ben-Ami if (!(tdls_trig->action_bitmap & BIT(action))) 31971e8f1329SGolan Ben-Ami return; 31981e8f1329SGolan Ben-Ami 31991e8f1329SGolan Ben-Ami if (tdls_trig->peer_mode && 32001e8f1329SGolan Ben-Ami memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 32011e8f1329SGolan Ben-Ami return; 32021e8f1329SGolan Ben-Ami 32037174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 32041e8f1329SGolan Ben-Ami "TDLS event occurred, peer %pM, action %d", 32051e8f1329SGolan Ben-Ami peer_addr, action); 32061e8f1329SGolan Ben-Ami } 32071e8f1329SGolan Ben-Ami 3208e705c121SKalle Valo static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 3209e705c121SKalle Valo struct ieee80211_vif *vif, 3210e705c121SKalle Valo struct ieee80211_sta *sta, 3211e705c121SKalle Valo enum ieee80211_sta_state old_state, 3212e705c121SKalle Valo enum ieee80211_sta_state new_state) 3213e705c121SKalle Valo { 3214e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3215e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 32166ea29ce5SJohannes Berg struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3217e705c121SKalle Valo int ret; 3218e705c121SKalle Valo 3219e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 3220e705c121SKalle Valo sta->addr, old_state, new_state); 3221e705c121SKalle Valo 3222e705c121SKalle Valo /* this would be a mac80211 bug ... but don't crash */ 3223e705c121SKalle Valo if (WARN_ON_ONCE(!mvmvif->phy_ctxt)) 3224e705c121SKalle Valo return -EINVAL; 3225e705c121SKalle Valo 322624afba76SLiad Kaufman /* 322724afba76SLiad Kaufman * If we are in a STA removal flow and in DQA mode: 322824afba76SLiad Kaufman * 322924afba76SLiad Kaufman * This is after the sync_rcu part, so the queues have already been 323024afba76SLiad Kaufman * flushed. No more TXs on their way in mac80211's path, and no more in 323124afba76SLiad Kaufman * the queues. 323224afba76SLiad Kaufman * Also, we won't be getting any new TX frames for this station. 323324afba76SLiad Kaufman * What we might have are deferred TX frames that need to be taken care 323424afba76SLiad Kaufman * of. 323524afba76SLiad Kaufman * 323624afba76SLiad Kaufman * Drop any still-queued deferred-frame before removing the STA, and 323724afba76SLiad Kaufman * make sure the worker is no longer handling frames for this STA. 323824afba76SLiad Kaufman */ 323924afba76SLiad Kaufman if (old_state == IEEE80211_STA_NONE && 3240c8f54701SJohannes Berg new_state == IEEE80211_STA_NOTEXIST) { 324124afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 324224afba76SLiad Kaufman 324324afba76SLiad Kaufman /* 324424afba76SLiad Kaufman * No need to make sure deferred TX indication is off since the 324524afba76SLiad Kaufman * worker will already remove it if it was on 324624afba76SLiad Kaufman */ 324724afba76SLiad Kaufman } 324824afba76SLiad Kaufman 3249e705c121SKalle Valo mutex_lock(&mvm->mutex); 32506ea29ce5SJohannes Berg /* track whether or not the station is associated */ 3251d94c5a82SGregory Greenman mvm_sta->sta_state = new_state; 32526ea29ce5SJohannes Berg 3253e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 3254e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 3255e705c121SKalle Valo /* 3256e705c121SKalle Valo * Firmware bug - it'll crash if the beacon interval is less 3257e705c121SKalle Valo * than 16. We can't avoid connecting at all, so refuse the 3258e705c121SKalle Valo * station state change, this will cause mac80211 to abandon 3259e705c121SKalle Valo * attempts to connect to this AP, and eventually wpa_s will 3260e705c121SKalle Valo * blacklist the AP... 3261e705c121SKalle Valo */ 3262e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && 3263e705c121SKalle Valo vif->bss_conf.beacon_int < 16) { 3264e705c121SKalle Valo IWL_ERR(mvm, 3265e705c121SKalle Valo "AP %pM beacon interval is %d, refusing due to firmware bug!\n", 3266e705c121SKalle Valo sta->addr, vif->bss_conf.beacon_int); 3267e705c121SKalle Valo ret = -EINVAL; 3268e705c121SKalle Valo goto out_unlock; 3269e705c121SKalle Valo } 3270e705c121SKalle Valo 3271e705c121SKalle Valo if (sta->tdls && 3272e705c121SKalle Valo (vif->p2p || 3273e705c121SKalle Valo iwl_mvm_tdls_sta_count(mvm, NULL) == 3274e705c121SKalle Valo IWL_MVM_TDLS_STA_COUNT || 3275e705c121SKalle Valo iwl_mvm_phy_ctx_count(mvm) > 1)) { 3276e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 3277e705c121SKalle Valo ret = -EBUSY; 3278e705c121SKalle Valo goto out_unlock; 3279e705c121SKalle Valo } 3280e705c121SKalle Valo 3281e705c121SKalle Valo ret = iwl_mvm_add_sta(mvm, vif, sta); 32821e8f1329SGolan Ben-Ami if (sta->tdls && ret == 0) { 3283e705c121SKalle Valo iwl_mvm_recalc_tdls_state(mvm, vif, true); 32841e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 32851e8f1329SGolan Ben-Ami NL80211_TDLS_SETUP); 32861e8f1329SGolan Ben-Ami } 3287438af969SSara Sharon 3288438af969SSara Sharon sta->max_rc_amsdu_len = 1; 3289e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 3290e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 3291e705c121SKalle Valo /* 3292e705c121SKalle Valo * EBS may be disabled due to previous failures reported by FW. 3293e705c121SKalle Valo * Reset EBS status here assuming environment has been changed. 3294e705c121SKalle Valo */ 3295e705c121SKalle Valo mvm->last_ebs_successful = true; 3296e705c121SKalle Valo iwl_mvm_check_uapsd(mvm, vif, sta->addr); 3297e705c121SKalle Valo ret = 0; 3298e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 3299e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 33008be30c13SAyala Beker if (vif->type == NL80211_IFTYPE_AP) { 33019394662aSLiad Kaufman vif->bss_conf.he_support = sta->he_cap.has_he; 33028be30c13SAyala Beker mvmvif->ap_assoc_sta_count++; 33038be30c13SAyala Beker iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 330402221a81SShaul Triebitz if (vif->bss_conf.he_support && 330502221a81SShaul Triebitz !iwlwifi_mod_params.disable_11ax) 330602221a81SShaul Triebitz iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->sta_id); 33079394662aSLiad Kaufman } else if (vif->type == NL80211_IFTYPE_STATION) { 33089394662aSLiad Kaufman vif->bss_conf.he_support = sta->he_cap.has_he; 33099394662aSLiad Kaufman iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 33108be30c13SAyala Beker } 3311735a0045SGoodstein, Mordechay 33123baf7528SAvraham Stern iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 33133baf7528SAvraham Stern false); 3314735a0045SGoodstein, Mordechay ret = iwl_mvm_update_sta(mvm, vif, sta); 3315e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 3316e705c121SKalle Valo new_state == IEEE80211_STA_AUTHORIZED) { 331728916a16SEmmanuel Grumbach ret = 0; 3318e705c121SKalle Valo 3319e705c121SKalle Valo /* we don't support TDLS during DCM */ 3320e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 3321e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 3322e705c121SKalle Valo 33231e8f1329SGolan Ben-Ami if (sta->tdls) 33241e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 33251e8f1329SGolan Ben-Ami NL80211_TDLS_ENABLE_LINK); 33261e8f1329SGolan Ben-Ami 3327e705c121SKalle Valo /* enable beacon filtering */ 3328e705c121SKalle Valo WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 33296b7a5aeaSNaftali Goldstein 33303baf7528SAvraham Stern iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 33313baf7528SAvraham Stern true); 3332e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTHORIZED && 3333e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 3334e705c121SKalle Valo /* disable beacon filtering */ 333569e508b4SIlan Peer ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 333669e508b4SIlan Peer WARN_ON(ret && 333769e508b4SIlan Peer !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 333869e508b4SIlan Peer &mvm->status)); 3339e705c121SKalle Valo ret = 0; 3340e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 3341e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 33428be30c13SAyala Beker if (vif->type == NL80211_IFTYPE_AP) { 33438be30c13SAyala Beker mvmvif->ap_assoc_sta_count--; 33448be30c13SAyala Beker iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 33458be30c13SAyala Beker } 3346e705c121SKalle Valo ret = 0; 3347e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 3348e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 3349e705c121SKalle Valo ret = 0; 3350e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 3351e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) { 3352e705c121SKalle Valo ret = iwl_mvm_rm_sta(mvm, vif, sta); 33531e8f1329SGolan Ben-Ami if (sta->tdls) { 3354e705c121SKalle Valo iwl_mvm_recalc_tdls_state(mvm, vif, false); 33551e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 33561e8f1329SGolan Ben-Ami NL80211_TDLS_DISABLE_LINK); 33571e8f1329SGolan Ben-Ami } 335834a880d8SLiad Kaufman 335944135b7cSIlan Peer if (unlikely(ret && 336044135b7cSIlan Peer test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 336144135b7cSIlan Peer &mvm->status))) 336244135b7cSIlan Peer ret = 0; 3363e705c121SKalle Valo } else { 3364e705c121SKalle Valo ret = -EIO; 3365e705c121SKalle Valo } 3366e705c121SKalle Valo out_unlock: 3367e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3368e705c121SKalle Valo 3369e705c121SKalle Valo if (sta->tdls && ret == 0) { 3370e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 3371e705c121SKalle Valo new_state == IEEE80211_STA_NONE) 3372e705c121SKalle Valo ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); 3373e705c121SKalle Valo else if (old_state == IEEE80211_STA_NONE && 3374e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) 3375e705c121SKalle Valo ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); 3376e705c121SKalle Valo } 3377e705c121SKalle Valo 3378e705c121SKalle Valo return ret; 3379e705c121SKalle Valo } 3380e705c121SKalle Valo 3381e705c121SKalle Valo static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 3382e705c121SKalle Valo { 3383e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3384e705c121SKalle Valo 3385e705c121SKalle Valo mvm->rts_threshold = value; 3386e705c121SKalle Valo 3387e705c121SKalle Valo return 0; 3388e705c121SKalle Valo } 3389e705c121SKalle Valo 3390e705c121SKalle Valo static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, 3391e705c121SKalle Valo struct ieee80211_vif *vif, 3392e705c121SKalle Valo struct ieee80211_sta *sta, u32 changed) 3393e705c121SKalle Valo { 3394e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3395dcfe3b10SJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3396dcfe3b10SJohannes Berg 3397dcfe3b10SJohannes Berg if (changed & (IEEE80211_RC_BW_CHANGED | 3398dcfe3b10SJohannes Berg IEEE80211_RC_SUPP_RATES_CHANGED | 3399dcfe3b10SJohannes Berg IEEE80211_RC_NSS_CHANGED)) 3400dcfe3b10SJohannes Berg iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 3401dcfe3b10SJohannes Berg true); 3402e705c121SKalle Valo 3403e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && 3404e705c121SKalle Valo changed & IEEE80211_RC_NSS_CHANGED) 3405e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 3406e705c121SKalle Valo } 3407e705c121SKalle Valo 3408e705c121SKalle Valo static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 3409e705c121SKalle Valo struct ieee80211_vif *vif, u16 ac, 3410e705c121SKalle Valo const struct ieee80211_tx_queue_params *params) 3411e705c121SKalle Valo { 3412e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3413e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3414e705c121SKalle Valo 3415e705c121SKalle Valo mvmvif->queue_params[ac] = *params; 3416e705c121SKalle Valo 3417e705c121SKalle Valo /* 3418e705c121SKalle Valo * No need to update right away, we'll get BSS_CHANGED_QOS 3419e705c121SKalle Valo * The exception is P2P_DEVICE interface which needs immediate update. 3420e705c121SKalle Valo */ 3421e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 3422e705c121SKalle Valo int ret; 3423e705c121SKalle Valo 3424e705c121SKalle Valo mutex_lock(&mvm->mutex); 3425e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 3426e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3427e705c121SKalle Valo return ret; 3428e705c121SKalle Valo } 3429e705c121SKalle Valo return 0; 3430e705c121SKalle Valo } 3431e705c121SKalle Valo 3432e705c121SKalle Valo static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 3433d4e36e55SIlan Peer struct ieee80211_vif *vif, 3434d4e36e55SIlan Peer u16 req_duration) 3435e705c121SKalle Valo { 3436e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 34377c70fee5SSara Sharon u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 34387c70fee5SSara Sharon u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 3439e705c121SKalle Valo 3440e705c121SKalle Valo /* 3441e705c121SKalle Valo * iwl_mvm_protect_session() reads directly from the device 3442e705c121SKalle Valo * (the system time), so make sure it is available. 3443e705c121SKalle Valo */ 3444e705c121SKalle Valo if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX)) 3445e705c121SKalle Valo return; 3446e705c121SKalle Valo 3447d4e36e55SIlan Peer if (req_duration > duration) 3448d4e36e55SIlan Peer duration = req_duration; 3449d4e36e55SIlan Peer 3450e705c121SKalle Valo mutex_lock(&mvm->mutex); 3451e705c121SKalle Valo /* Try really hard to protect the session and hear a beacon */ 3452e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false); 3453e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3454e705c121SKalle Valo 3455e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX); 3456e705c121SKalle Valo } 3457e705c121SKalle Valo 3458e705c121SKalle Valo static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 3459e705c121SKalle Valo struct ieee80211_vif *vif, 3460e705c121SKalle Valo struct cfg80211_sched_scan_request *req, 3461e705c121SKalle Valo struct ieee80211_scan_ies *ies) 3462e705c121SKalle Valo { 3463e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3464e705c121SKalle Valo 3465e705c121SKalle Valo int ret; 3466e705c121SKalle Valo 3467e705c121SKalle Valo mutex_lock(&mvm->mutex); 3468e705c121SKalle Valo 3469e705c121SKalle Valo if (!vif->bss_conf.idle) { 3470e705c121SKalle Valo ret = -EBUSY; 3471e705c121SKalle Valo goto out; 3472e705c121SKalle Valo } 3473e705c121SKalle Valo 3474e705c121SKalle Valo ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 3475e705c121SKalle Valo 3476e705c121SKalle Valo out: 3477e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3478e705c121SKalle Valo return ret; 3479e705c121SKalle Valo } 3480e705c121SKalle Valo 3481e705c121SKalle Valo static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 3482e705c121SKalle Valo struct ieee80211_vif *vif) 3483e705c121SKalle Valo { 3484e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3485e705c121SKalle Valo int ret; 3486e705c121SKalle Valo 3487e705c121SKalle Valo mutex_lock(&mvm->mutex); 3488e705c121SKalle Valo 3489e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 3490e705c121SKalle Valo * us to stop a sched_scan when it's already stopped. This 3491e705c121SKalle Valo * can happen, for instance, if we stopped the scan ourselves, 3492e705c121SKalle Valo * called ieee80211_sched_scan_stopped() and the userspace called 3493e705c121SKalle Valo * stop sched scan scan before ieee80211_sched_scan_stopped_work() 3494e705c121SKalle Valo * could run. To handle this, simply return if the scan is 3495e705c121SKalle Valo * not running. 3496e705c121SKalle Valo */ 3497e705c121SKalle Valo if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 3498e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3499e705c121SKalle Valo return 0; 3500e705c121SKalle Valo } 3501e705c121SKalle Valo 3502e705c121SKalle Valo ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 3503e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3504e705c121SKalle Valo iwl_mvm_wait_for_async_handlers(mvm); 3505e705c121SKalle Valo 3506e705c121SKalle Valo return ret; 3507e705c121SKalle Valo } 3508e705c121SKalle Valo 3509e705c121SKalle Valo static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 3510e705c121SKalle Valo enum set_key_cmd cmd, 3511e705c121SKalle Valo struct ieee80211_vif *vif, 3512e705c121SKalle Valo struct ieee80211_sta *sta, 3513e705c121SKalle Valo struct ieee80211_key_conf *key) 3514e705c121SKalle Valo { 3515c56e00a3SJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3516e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3517f5e28eacSJohannes Berg struct iwl_mvm_sta *mvmsta; 3518f5e28eacSJohannes Berg struct iwl_mvm_key_pn *ptk_pn; 3519f5e28eacSJohannes Berg int keyidx = key->keyidx; 3520c56e00a3SJohannes Berg int ret, i; 35214615fd15SEmmanuel Grumbach u8 key_offset; 3522e705c121SKalle Valo 35233b37f4c9SJohannes Berg if (iwlwifi_mod_params.swcrypto) { 3524e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n"); 3525e705c121SKalle Valo return -EOPNOTSUPP; 3526e705c121SKalle Valo } 3527e705c121SKalle Valo 3528e705c121SKalle Valo switch (key->cipher) { 3529e705c121SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 35307f768ad5SDavid Spinadel if (!mvm->trans->cfg->gen2) { 3531e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 35321ad4f639SEliad Peller key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 35337f768ad5SDavid Spinadel } else if (vif->type == NL80211_IFTYPE_STATION) { 35347f768ad5SDavid Spinadel key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; 35357f768ad5SDavid Spinadel } else { 35367f768ad5SDavid Spinadel IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); 35377f768ad5SDavid Spinadel return -EOPNOTSUPP; 35387f768ad5SDavid Spinadel } 3539e705c121SKalle Valo break; 3540e705c121SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 35412a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP: 35422a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP_256: 354385aeb58cSDavid Spinadel if (!iwl_mvm_has_new_tx_api(mvm)) 3544e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 3545e705c121SKalle Valo break; 3546e705c121SKalle Valo case WLAN_CIPHER_SUITE_AES_CMAC: 35478e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_128: 35488e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_256: 3549e705c121SKalle Valo WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 3550e705c121SKalle Valo break; 3551e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 3552e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 3553475c6bdeSJohannes Berg if (vif->type == NL80211_IFTYPE_STATION) 3554e705c121SKalle Valo break; 3555475c6bdeSJohannes Berg if (iwl_mvm_has_new_tx_api(mvm)) 3556475c6bdeSJohannes Berg return -EOPNOTSUPP; 3557475c6bdeSJohannes Berg /* support HW crypto on TX */ 3558475c6bdeSJohannes Berg return 0; 3559e705c121SKalle Valo default: 3560e705c121SKalle Valo /* currently FW supports only one optional cipher scheme */ 3561e705c121SKalle Valo if (hw->n_cipher_schemes && 3562e705c121SKalle Valo hw->cipher_schemes->cipher == key->cipher) 3563e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 3564e705c121SKalle Valo else 3565e705c121SKalle Valo return -EOPNOTSUPP; 3566e705c121SKalle Valo } 3567e705c121SKalle Valo 3568e705c121SKalle Valo mutex_lock(&mvm->mutex); 3569e705c121SKalle Valo 3570e705c121SKalle Valo switch (cmd) { 3571e705c121SKalle Valo case SET_KEY: 3572e705c121SKalle Valo if ((vif->type == NL80211_IFTYPE_ADHOC || 3573e705c121SKalle Valo vif->type == NL80211_IFTYPE_AP) && !sta) { 3574e705c121SKalle Valo /* 3575e705c121SKalle Valo * GTK on AP interface is a TX-only key, return 0; 3576e705c121SKalle Valo * on IBSS they're per-station and because we're lazy 3577e705c121SKalle Valo * we don't support them for RX, so do the same. 35788e160ab8SAyala Beker * CMAC/GMAC in AP/IBSS modes must be done in software. 3579e705c121SKalle Valo */ 35808e160ab8SAyala Beker if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 35818e160ab8SAyala Beker key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 35828e160ab8SAyala Beker key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256) 358381279c49SJohannes Berg ret = -EOPNOTSUPP; 358481279c49SJohannes Berg else 3585e705c121SKalle Valo ret = 0; 358685aeb58cSDavid Spinadel 358785aeb58cSDavid Spinadel if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 358885aeb58cSDavid Spinadel key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 358985aeb58cSDavid Spinadel !iwl_mvm_has_new_tx_api(mvm)) { 3590e705c121SKalle Valo key->hw_key_idx = STA_KEY_IDX_INVALID; 3591e705c121SKalle Valo break; 3592e705c121SKalle Valo } 3593c56e00a3SJohannes Berg 3594c56e00a3SJohannes Berg if (!mvmvif->ap_ibss_active) { 3595c56e00a3SJohannes Berg for (i = 0; 3596c56e00a3SJohannes Berg i < ARRAY_SIZE(mvmvif->ap_early_keys); 3597c56e00a3SJohannes Berg i++) { 3598c56e00a3SJohannes Berg if (!mvmvif->ap_early_keys[i]) { 3599c56e00a3SJohannes Berg mvmvif->ap_early_keys[i] = key; 3600c56e00a3SJohannes Berg break; 3601c56e00a3SJohannes Berg } 3602c56e00a3SJohannes Berg } 3603c56e00a3SJohannes Berg 3604c56e00a3SJohannes Berg if (i >= ARRAY_SIZE(mvmvif->ap_early_keys)) 3605c56e00a3SJohannes Berg ret = -ENOSPC; 3606c56e00a3SJohannes Berg 3607c56e00a3SJohannes Berg break; 3608c56e00a3SJohannes Berg } 360985aeb58cSDavid Spinadel } 3610e705c121SKalle Valo 3611e705c121SKalle Valo /* During FW restart, in order to restore the state as it was, 3612e705c121SKalle Valo * don't try to reprogram keys we previously failed for. 3613e705c121SKalle Valo */ 3614e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 3615e705c121SKalle Valo key->hw_key_idx == STA_KEY_IDX_INVALID) { 3616e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, 3617e705c121SKalle Valo "skip invalid idx key programming during restart\n"); 3618e705c121SKalle Valo ret = 0; 3619e705c121SKalle Valo break; 3620e705c121SKalle Valo } 3621e705c121SKalle Valo 3622f5e28eacSJohannes Berg if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 3623f5e28eacSJohannes Berg sta && iwl_mvm_has_new_rx_api(mvm) && 3624f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 3625f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 36262a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 36272a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 3628f5e28eacSJohannes Berg struct ieee80211_key_seq seq; 3629f5e28eacSJohannes Berg int tid, q; 3630f5e28eacSJohannes Berg 3631f5e28eacSJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 3632f5e28eacSJohannes Berg WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 3633acafe7e3SKees Cook ptk_pn = kzalloc(struct_size(ptk_pn, q, 3634acafe7e3SKees Cook mvm->trans->num_rx_queues), 3635f5e28eacSJohannes Berg GFP_KERNEL); 3636f5e28eacSJohannes Berg if (!ptk_pn) { 3637f5e28eacSJohannes Berg ret = -ENOMEM; 3638f5e28eacSJohannes Berg break; 3639f5e28eacSJohannes Berg } 3640f5e28eacSJohannes Berg 3641f5e28eacSJohannes Berg for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 3642f5e28eacSJohannes Berg ieee80211_get_key_rx_seq(key, tid, &seq); 3643f5e28eacSJohannes Berg for (q = 0; q < mvm->trans->num_rx_queues; q++) 3644f5e28eacSJohannes Berg memcpy(ptk_pn->q[q].pn[tid], 3645f5e28eacSJohannes Berg seq.ccmp.pn, 3646f5e28eacSJohannes Berg IEEE80211_CCMP_PN_LEN); 3647f5e28eacSJohannes Berg } 3648f5e28eacSJohannes Berg 3649f5e28eacSJohannes Berg rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 3650f5e28eacSJohannes Berg } 3651f5e28eacSJohannes Berg 36524615fd15SEmmanuel Grumbach /* in HW restart reuse the index, otherwise request a new one */ 36534615fd15SEmmanuel Grumbach if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 36544615fd15SEmmanuel Grumbach key_offset = key->hw_key_idx; 36554615fd15SEmmanuel Grumbach else 36564615fd15SEmmanuel Grumbach key_offset = STA_KEY_IDX_INVALID; 36574615fd15SEmmanuel Grumbach 3658e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n"); 36594615fd15SEmmanuel Grumbach ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 3660e705c121SKalle Valo if (ret) { 3661e705c121SKalle Valo IWL_WARN(mvm, "set key failed\n"); 3662475c6bdeSJohannes Berg key->hw_key_idx = STA_KEY_IDX_INVALID; 3663e705c121SKalle Valo /* 3664e705c121SKalle Valo * can't add key for RX, but we don't need it 3665475c6bdeSJohannes Berg * in the device for TX so still return 0, 3666475c6bdeSJohannes Berg * unless we have new TX API where we cannot 3667475c6bdeSJohannes Berg * put key material into the TX_CMD 3668e705c121SKalle Valo */ 3669475c6bdeSJohannes Berg if (iwl_mvm_has_new_tx_api(mvm)) 3670475c6bdeSJohannes Berg ret = -EOPNOTSUPP; 3671475c6bdeSJohannes Berg else 3672e705c121SKalle Valo ret = 0; 3673e705c121SKalle Valo } 3674e705c121SKalle Valo 3675e705c121SKalle Valo break; 3676e705c121SKalle Valo case DISABLE_KEY: 3677c56e00a3SJohannes Berg ret = -ENOENT; 3678c56e00a3SJohannes Berg for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 3679c56e00a3SJohannes Berg if (mvmvif->ap_early_keys[i] == key) { 3680c56e00a3SJohannes Berg mvmvif->ap_early_keys[i] = NULL; 3681c56e00a3SJohannes Berg ret = 0; 3682c56e00a3SJohannes Berg } 3683c56e00a3SJohannes Berg } 3684c56e00a3SJohannes Berg 3685c56e00a3SJohannes Berg /* found in pending list - don't do anything else */ 3686c56e00a3SJohannes Berg if (ret == 0) 3687c56e00a3SJohannes Berg break; 3688c56e00a3SJohannes Berg 3689e705c121SKalle Valo if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 3690e705c121SKalle Valo ret = 0; 3691e705c121SKalle Valo break; 3692e705c121SKalle Valo } 3693e705c121SKalle Valo 3694f5e28eacSJohannes Berg if (sta && iwl_mvm_has_new_rx_api(mvm) && 3695f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 3696f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 36972a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 36982a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 3699f5e28eacSJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 3700f5e28eacSJohannes Berg ptk_pn = rcu_dereference_protected( 3701f5e28eacSJohannes Berg mvmsta->ptk_pn[keyidx], 3702f5e28eacSJohannes Berg lockdep_is_held(&mvm->mutex)); 3703f5e28eacSJohannes Berg RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 3704f5e28eacSJohannes Berg if (ptk_pn) 3705f5e28eacSJohannes Berg kfree_rcu(ptk_pn, rcu_head); 3706f5e28eacSJohannes Berg } 3707f5e28eacSJohannes Berg 3708e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 3709e705c121SKalle Valo ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 3710e705c121SKalle Valo break; 3711e705c121SKalle Valo default: 3712e705c121SKalle Valo ret = -EINVAL; 3713e705c121SKalle Valo } 3714e705c121SKalle Valo 3715e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3716e705c121SKalle Valo return ret; 3717e705c121SKalle Valo } 3718e705c121SKalle Valo 3719e705c121SKalle Valo static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 3720e705c121SKalle Valo struct ieee80211_vif *vif, 3721e705c121SKalle Valo struct ieee80211_key_conf *keyconf, 3722e705c121SKalle Valo struct ieee80211_sta *sta, 3723e705c121SKalle Valo u32 iv32, u16 *phase1key) 3724e705c121SKalle Valo { 3725e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3726e705c121SKalle Valo 3727e705c121SKalle Valo if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 3728e705c121SKalle Valo return; 3729e705c121SKalle Valo 3730e705c121SKalle Valo iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 3731e705c121SKalle Valo } 3732e705c121SKalle Valo 3733e705c121SKalle Valo 3734e705c121SKalle Valo static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 3735e705c121SKalle Valo struct iwl_rx_packet *pkt, void *data) 3736e705c121SKalle Valo { 3737e705c121SKalle Valo struct iwl_mvm *mvm = 3738e705c121SKalle Valo container_of(notif_wait, struct iwl_mvm, notif_wait); 3739e705c121SKalle Valo struct iwl_hs20_roc_res *resp; 3740e705c121SKalle Valo int resp_len = iwl_rx_packet_payload_len(pkt); 3741e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = data; 3742e705c121SKalle Valo 3743e705c121SKalle Valo if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 3744e705c121SKalle Valo return true; 3745e705c121SKalle Valo 3746e705c121SKalle Valo if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 3747e705c121SKalle Valo IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 3748e705c121SKalle Valo return true; 3749e705c121SKalle Valo } 3750e705c121SKalle Valo 3751e705c121SKalle Valo resp = (void *)pkt->data; 3752e705c121SKalle Valo 3753e705c121SKalle Valo IWL_DEBUG_TE(mvm, 3754b71a9c35SColin Ian King "Aux ROC: Received response from ucode: status=%d uid=%d\n", 3755e705c121SKalle Valo resp->status, resp->event_unique_id); 3756e705c121SKalle Valo 3757e705c121SKalle Valo te_data->uid = le32_to_cpu(resp->event_unique_id); 3758e705c121SKalle Valo IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 3759e705c121SKalle Valo te_data->uid); 3760e705c121SKalle Valo 3761e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3762e705c121SKalle Valo list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 3763e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3764e705c121SKalle Valo 3765e705c121SKalle Valo return true; 3766e705c121SKalle Valo } 3767e705c121SKalle Valo 3768dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100) 3769dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200) 3770dc28e12fSMatti Gottlieb #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600) 3771dc28e12fSMatti Gottlieb #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20) 3772dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10) 3773e705c121SKalle Valo static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 3774e705c121SKalle Valo struct ieee80211_channel *channel, 3775e705c121SKalle Valo struct ieee80211_vif *vif, 3776e705c121SKalle Valo int duration) 3777e705c121SKalle Valo { 3778afc1e3b4SAvraham Stern int res; 3779e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3780e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 3781e705c121SKalle Valo static const u16 time_event_response[] = { HOT_SPOT_CMD }; 3782e705c121SKalle Valo struct iwl_notification_wait wait_time_event; 3783dc28e12fSMatti Gottlieb u32 dtim_interval = vif->bss_conf.dtim_period * 3784dc28e12fSMatti Gottlieb vif->bss_conf.beacon_int; 3785dc28e12fSMatti Gottlieb u32 req_dur, delay; 3786e705c121SKalle Valo struct iwl_hs20_roc_req aux_roc_req = { 3787e705c121SKalle Valo .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 3788e705c121SKalle Valo .id_and_color = 3789e705c121SKalle Valo cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 3790e705c121SKalle Valo .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 3791e705c121SKalle Valo }; 379257e861d9SDavid Spinadel struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm, 379357e861d9SDavid Spinadel &aux_roc_req.channel_info); 379457e861d9SDavid Spinadel u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm); 379557e861d9SDavid Spinadel 379657e861d9SDavid Spinadel /* Set the channel info data */ 379757e861d9SDavid Spinadel iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, 379857e861d9SDavid Spinadel (channel->band == NL80211_BAND_2GHZ) ? 379957e861d9SDavid Spinadel PHY_BAND_24 : PHY_BAND_5, 380057e861d9SDavid Spinadel PHY_VHT_CHANNEL_MODE20, 380157e861d9SDavid Spinadel 0); 380257e861d9SDavid Spinadel 380357e861d9SDavid Spinadel /* Set the time and duration */ 3804afc1e3b4SAvraham Stern tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm)); 3805e705c121SKalle Valo 3806dc28e12fSMatti Gottlieb delay = AUX_ROC_MIN_DELAY; 3807dc28e12fSMatti Gottlieb req_dur = MSEC_TO_TU(duration); 3808dc28e12fSMatti Gottlieb 3809dc28e12fSMatti Gottlieb /* 3810dc28e12fSMatti Gottlieb * If we are associated we want the delay time to be at least one 3811dc28e12fSMatti Gottlieb * dtim interval so that the FW can wait until after the DTIM and 3812dc28e12fSMatti Gottlieb * then start the time event, this will potentially allow us to 3813dc28e12fSMatti Gottlieb * remain off-channel for the max duration. 3814dc28e12fSMatti Gottlieb * Since we want to use almost a whole dtim interval we would also 3815dc28e12fSMatti Gottlieb * like the delay to be for 2-3 dtim intervals, in case there are 3816dc28e12fSMatti Gottlieb * other time events with higher priority. 3817dc28e12fSMatti Gottlieb */ 3818dc28e12fSMatti Gottlieb if (vif->bss_conf.assoc) { 3819dc28e12fSMatti Gottlieb delay = min_t(u32, dtim_interval * 3, AUX_ROC_MAX_DELAY); 3820dc28e12fSMatti Gottlieb /* We cannot remain off-channel longer than the DTIM interval */ 3821dc28e12fSMatti Gottlieb if (dtim_interval <= req_dur) { 3822dc28e12fSMatti Gottlieb req_dur = dtim_interval - AUX_ROC_SAFETY_BUFFER; 3823dc28e12fSMatti Gottlieb if (req_dur <= AUX_ROC_MIN_DURATION) 3824dc28e12fSMatti Gottlieb req_dur = dtim_interval - 3825dc28e12fSMatti Gottlieb AUX_ROC_MIN_SAFETY_BUFFER; 3826dc28e12fSMatti Gottlieb } 3827dc28e12fSMatti Gottlieb } 3828dc28e12fSMatti Gottlieb 382957e861d9SDavid Spinadel tail->duration = cpu_to_le32(req_dur); 383057e861d9SDavid Spinadel tail->apply_time_max_delay = cpu_to_le32(delay); 3831dc28e12fSMatti Gottlieb 3832dc28e12fSMatti Gottlieb IWL_DEBUG_TE(mvm, 3833dc28e12fSMatti Gottlieb "ROC: Requesting to remain on channel %u for %ums (requested = %ums, max_delay = %ums, dtim_interval = %ums)\n", 3834dc28e12fSMatti Gottlieb channel->hw_value, req_dur, duration, delay, 3835dc28e12fSMatti Gottlieb dtim_interval); 3836e705c121SKalle Valo /* Set the node address */ 383757e861d9SDavid Spinadel memcpy(tail->node_addr, vif->addr, ETH_ALEN); 3838e705c121SKalle Valo 3839e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3840e705c121SKalle Valo 3841e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3842e705c121SKalle Valo 3843e705c121SKalle Valo if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 3844e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3845e705c121SKalle Valo return -EIO; 3846e705c121SKalle Valo } 3847e705c121SKalle Valo 3848e705c121SKalle Valo te_data->vif = vif; 3849e705c121SKalle Valo te_data->duration = duration; 3850e705c121SKalle Valo te_data->id = HOT_SPOT_CMD; 3851e705c121SKalle Valo 3852e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3853e705c121SKalle Valo 3854e705c121SKalle Valo /* 3855e705c121SKalle Valo * Use a notification wait, which really just processes the 3856e705c121SKalle Valo * command response and doesn't wait for anything, in order 3857e705c121SKalle Valo * to be able to process the response and get the UID inside 3858e705c121SKalle Valo * the RX path. Using CMD_WANT_SKB doesn't work because it 3859e705c121SKalle Valo * stores the buffer and then wakes up this thread, by which 3860e705c121SKalle Valo * time another notification (that the time event started) 3861e705c121SKalle Valo * might already be processed unsuccessfully. 3862e705c121SKalle Valo */ 3863e705c121SKalle Valo iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 3864e705c121SKalle Valo time_event_response, 3865e705c121SKalle Valo ARRAY_SIZE(time_event_response), 3866e705c121SKalle Valo iwl_mvm_rx_aux_roc, te_data); 3867e705c121SKalle Valo 386857e861d9SDavid Spinadel res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len, 3869e705c121SKalle Valo &aux_roc_req); 3870e705c121SKalle Valo 3871e705c121SKalle Valo if (res) { 3872e705c121SKalle Valo IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 3873e705c121SKalle Valo iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 3874e705c121SKalle Valo goto out_clear_te; 3875e705c121SKalle Valo } 3876e705c121SKalle Valo 3877e705c121SKalle Valo /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 3878e705c121SKalle Valo res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 3879e705c121SKalle Valo /* should never fail */ 3880e705c121SKalle Valo WARN_ON_ONCE(res); 3881e705c121SKalle Valo 3882e705c121SKalle Valo if (res) { 3883e705c121SKalle Valo out_clear_te: 3884e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3885e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, te_data); 3886e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3887e705c121SKalle Valo } 3888e705c121SKalle Valo 3889e705c121SKalle Valo return res; 3890e705c121SKalle Valo } 3891e705c121SKalle Valo 3892e705c121SKalle Valo static int iwl_mvm_roc(struct ieee80211_hw *hw, 3893e705c121SKalle Valo struct ieee80211_vif *vif, 3894e705c121SKalle Valo struct ieee80211_channel *channel, 3895e705c121SKalle Valo int duration, 3896e705c121SKalle Valo enum ieee80211_roc_type type) 3897e705c121SKalle Valo { 3898e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3899e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3900e705c121SKalle Valo struct cfg80211_chan_def chandef; 3901e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 3902e705c121SKalle Valo int ret, i; 3903e705c121SKalle Valo 3904e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 3905e705c121SKalle Valo duration, type); 3906e705c121SKalle Valo 39079834781cSJohannes Berg /* 39089834781cSJohannes Berg * Flush the done work, just in case it's still pending, so that 39099834781cSJohannes Berg * the work it does can complete and we can accept new frames. 39109834781cSJohannes Berg */ 3911e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 3912e705c121SKalle Valo 3913e705c121SKalle Valo mutex_lock(&mvm->mutex); 3914e705c121SKalle Valo 3915e705c121SKalle Valo switch (vif->type) { 3916e705c121SKalle Valo case NL80211_IFTYPE_STATION: 3917e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 3918e705c121SKalle Valo IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 3919e705c121SKalle Valo /* Use aux roc framework (HS20) */ 3920e705c121SKalle Valo ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, 3921e705c121SKalle Valo vif, duration); 3922e705c121SKalle Valo goto out_unlock; 3923e705c121SKalle Valo } 3924e705c121SKalle Valo IWL_ERR(mvm, "hotspot not supported\n"); 3925e705c121SKalle Valo ret = -EINVAL; 3926e705c121SKalle Valo goto out_unlock; 3927e705c121SKalle Valo case NL80211_IFTYPE_P2P_DEVICE: 3928e705c121SKalle Valo /* handle below */ 3929e705c121SKalle Valo break; 3930e705c121SKalle Valo default: 3931e705c121SKalle Valo IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type); 3932e705c121SKalle Valo ret = -EINVAL; 3933e705c121SKalle Valo goto out_unlock; 3934e705c121SKalle Valo } 3935e705c121SKalle Valo 3936e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) { 3937e705c121SKalle Valo phy_ctxt = &mvm->phy_ctxts[i]; 3938e705c121SKalle Valo if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt) 3939e705c121SKalle Valo continue; 3940e705c121SKalle Valo 3941e705c121SKalle Valo if (phy_ctxt->ref && channel == phy_ctxt->channel) { 3942e705c121SKalle Valo /* 3943e705c121SKalle Valo * Unbind the P2P_DEVICE from the current PHY context, 3944e705c121SKalle Valo * and if the PHY context is not used remove it. 3945e705c121SKalle Valo */ 3946e705c121SKalle Valo ret = iwl_mvm_binding_remove_vif(mvm, vif); 3947e705c121SKalle Valo if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 3948e705c121SKalle Valo goto out_unlock; 3949e705c121SKalle Valo 3950e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 3951e705c121SKalle Valo 3952e705c121SKalle Valo /* Bind the P2P_DEVICE to the current PHY Context */ 3953e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 3954e705c121SKalle Valo 3955e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 3956e705c121SKalle Valo if (WARN(ret, "Failed binding P2P_DEVICE\n")) 3957e705c121SKalle Valo goto out_unlock; 3958e705c121SKalle Valo 3959e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 3960e705c121SKalle Valo goto schedule_time_event; 3961e705c121SKalle Valo } 3962e705c121SKalle Valo } 3963e705c121SKalle Valo 3964e705c121SKalle Valo /* Need to update the PHY context only if the ROC channel changed */ 3965e705c121SKalle Valo if (channel == mvmvif->phy_ctxt->channel) 3966e705c121SKalle Valo goto schedule_time_event; 3967e705c121SKalle Valo 3968e705c121SKalle Valo cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 3969e705c121SKalle Valo 3970e705c121SKalle Valo /* 3971e705c121SKalle Valo * Change the PHY context configuration as it is currently referenced 3972e705c121SKalle Valo * only by the P2P Device MAC 3973e705c121SKalle Valo */ 3974e705c121SKalle Valo if (mvmvif->phy_ctxt->ref == 1) { 3975e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt, 3976e705c121SKalle Valo &chandef, 1, 1); 3977e705c121SKalle Valo if (ret) 3978e705c121SKalle Valo goto out_unlock; 3979e705c121SKalle Valo } else { 3980e705c121SKalle Valo /* 3981e705c121SKalle Valo * The PHY context is shared with other MACs. Need to remove the 3982e705c121SKalle Valo * P2P Device from the binding, allocate an new PHY context and 3983e705c121SKalle Valo * create a new binding 3984e705c121SKalle Valo */ 3985e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 3986e705c121SKalle Valo if (!phy_ctxt) { 3987e705c121SKalle Valo ret = -ENOSPC; 3988e705c121SKalle Valo goto out_unlock; 3989e705c121SKalle Valo } 3990e705c121SKalle Valo 3991e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef, 3992e705c121SKalle Valo 1, 1); 3993e705c121SKalle Valo if (ret) { 3994e705c121SKalle Valo IWL_ERR(mvm, "Failed to change PHY context\n"); 3995e705c121SKalle Valo goto out_unlock; 3996e705c121SKalle Valo } 3997e705c121SKalle Valo 3998e705c121SKalle Valo /* Unbind the P2P_DEVICE from the current PHY context */ 3999e705c121SKalle Valo ret = iwl_mvm_binding_remove_vif(mvm, vif); 4000e705c121SKalle Valo if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 4001e705c121SKalle Valo goto out_unlock; 4002e705c121SKalle Valo 4003e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 4004e705c121SKalle Valo 4005e705c121SKalle Valo /* Bind the P2P_DEVICE to the new allocated PHY context */ 4006e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 4007e705c121SKalle Valo 4008e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 4009e705c121SKalle Valo if (WARN(ret, "Failed binding P2P_DEVICE\n")) 4010e705c121SKalle Valo goto out_unlock; 4011e705c121SKalle Valo 4012e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 4013e705c121SKalle Valo } 4014e705c121SKalle Valo 4015e705c121SKalle Valo schedule_time_event: 4016e705c121SKalle Valo /* Schedule the time events */ 4017e705c121SKalle Valo ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 4018e705c121SKalle Valo 4019e705c121SKalle Valo out_unlock: 4020e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4021e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 4022e705c121SKalle Valo return ret; 4023e705c121SKalle Valo } 4024e705c121SKalle Valo 4025e705c121SKalle Valo static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw) 4026e705c121SKalle Valo { 4027e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4028e705c121SKalle Valo 4029e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter\n"); 4030e705c121SKalle Valo 4031e705c121SKalle Valo mutex_lock(&mvm->mutex); 4032e705c121SKalle Valo iwl_mvm_stop_roc(mvm); 4033e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4034e705c121SKalle Valo 4035e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 4036e705c121SKalle Valo return 0; 4037e705c121SKalle Valo } 4038e705c121SKalle Valo 4039b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data { 4040b73f9a4aSJohannes Berg bool responder; 4041b73f9a4aSJohannes Berg struct ieee80211_chanctx_conf *ctx; 4042b73f9a4aSJohannes Berg }; 4043b73f9a4aSJohannes Berg 4044b73f9a4aSJohannes Berg static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac, 4045b73f9a4aSJohannes Berg struct ieee80211_vif *vif) 4046b73f9a4aSJohannes Berg { 4047b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data *data = _data; 4048b73f9a4aSJohannes Berg 4049b73f9a4aSJohannes Berg if (rcu_access_pointer(vif->chanctx_conf) == data->ctx && 4050b73f9a4aSJohannes Berg vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params) 4051b73f9a4aSJohannes Berg data->responder = true; 4052b73f9a4aSJohannes Berg } 4053b73f9a4aSJohannes Berg 4054b73f9a4aSJohannes Berg static bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm, 4055b73f9a4aSJohannes Berg struct ieee80211_chanctx_conf *ctx) 4056b73f9a4aSJohannes Berg { 4057b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data data = { 4058b73f9a4aSJohannes Berg .responder = false, 4059b73f9a4aSJohannes Berg .ctx = ctx, 4060b73f9a4aSJohannes Berg }; 4061b73f9a4aSJohannes Berg 4062b73f9a4aSJohannes Berg ieee80211_iterate_active_interfaces_atomic(mvm->hw, 4063b73f9a4aSJohannes Berg IEEE80211_IFACE_ITER_NORMAL, 4064b73f9a4aSJohannes Berg iwl_mvm_ftm_responder_chanctx_iter, 4065b73f9a4aSJohannes Berg &data); 4066b73f9a4aSJohannes Berg return data.responder; 4067b73f9a4aSJohannes Berg } 4068b73f9a4aSJohannes Berg 4069e705c121SKalle Valo static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 4070e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4071e705c121SKalle Valo { 4072e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4073e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 4074b73f9a4aSJohannes Berg bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); 4075b73f9a4aSJohannes Berg struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; 4076e705c121SKalle Valo int ret; 4077e705c121SKalle Valo 4078e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4079e705c121SKalle Valo 4080e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 4081e705c121SKalle Valo 4082e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4083e705c121SKalle Valo if (!phy_ctxt) { 4084e705c121SKalle Valo ret = -ENOSPC; 4085e705c121SKalle Valo goto out; 4086e705c121SKalle Valo } 4087e705c121SKalle Valo 4088b73f9a4aSJohannes Berg ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, 4089e705c121SKalle Valo ctx->rx_chains_static, 4090e705c121SKalle Valo ctx->rx_chains_dynamic); 4091e705c121SKalle Valo if (ret) { 4092e705c121SKalle Valo IWL_ERR(mvm, "Failed to add PHY context\n"); 4093e705c121SKalle Valo goto out; 4094e705c121SKalle Valo } 4095e705c121SKalle Valo 4096e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt); 4097e705c121SKalle Valo *phy_ctxt_id = phy_ctxt->id; 4098e705c121SKalle Valo out: 4099e705c121SKalle Valo return ret; 4100e705c121SKalle Valo } 4101e705c121SKalle Valo 4102e705c121SKalle Valo static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 4103e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4104e705c121SKalle Valo { 4105e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4106e705c121SKalle Valo int ret; 4107e705c121SKalle Valo 4108e705c121SKalle Valo mutex_lock(&mvm->mutex); 4109e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, ctx); 4110e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4111e705c121SKalle Valo 4112e705c121SKalle Valo return ret; 4113e705c121SKalle Valo } 4114e705c121SKalle Valo 4115e705c121SKalle Valo static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 4116e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4117e705c121SKalle Valo { 4118e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4119e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4120e705c121SKalle Valo 4121e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4122e705c121SKalle Valo 4123e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 4124e705c121SKalle Valo } 4125e705c121SKalle Valo 4126e705c121SKalle Valo static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 4127e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4128e705c121SKalle Valo { 4129e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4130e705c121SKalle Valo 4131e705c121SKalle Valo mutex_lock(&mvm->mutex); 4132e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, ctx); 4133e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4134e705c121SKalle Valo } 4135e705c121SKalle Valo 4136e705c121SKalle Valo static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 4137e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 4138e705c121SKalle Valo u32 changed) 4139e705c121SKalle Valo { 4140e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4141e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4142e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4143b73f9a4aSJohannes Berg bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); 4144b73f9a4aSJohannes Berg struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; 4145e705c121SKalle Valo 4146e705c121SKalle Valo if (WARN_ONCE((phy_ctxt->ref > 1) && 4147e705c121SKalle Valo (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 4148e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 4149e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RADAR | 4150e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), 4151e705c121SKalle Valo "Cannot change PHY. Ref=%d, changed=0x%X\n", 4152e705c121SKalle Valo phy_ctxt->ref, changed)) 4153e705c121SKalle Valo return; 4154e705c121SKalle Valo 4155e705c121SKalle Valo mutex_lock(&mvm->mutex); 41567a20bcceSEmmanuel Grumbach 41577a20bcceSEmmanuel Grumbach /* we are only changing the min_width, may be a noop */ 41587a20bcceSEmmanuel Grumbach if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) { 4159b73f9a4aSJohannes Berg if (phy_ctxt->width == def->width) 41607a20bcceSEmmanuel Grumbach goto out_unlock; 41617a20bcceSEmmanuel Grumbach 41627a20bcceSEmmanuel Grumbach /* we are just toggling between 20_NOHT and 20 */ 41637a20bcceSEmmanuel Grumbach if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && 4164b73f9a4aSJohannes Berg def->width <= NL80211_CHAN_WIDTH_20) 41657a20bcceSEmmanuel Grumbach goto out_unlock; 41667a20bcceSEmmanuel Grumbach } 41677a20bcceSEmmanuel Grumbach 4168e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 4169b73f9a4aSJohannes Berg iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, 4170e705c121SKalle Valo ctx->rx_chains_static, 4171e705c121SKalle Valo ctx->rx_chains_dynamic); 41727a20bcceSEmmanuel Grumbach 41737a20bcceSEmmanuel Grumbach out_unlock: 4174e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4175e705c121SKalle Valo } 4176e705c121SKalle Valo 4177e705c121SKalle Valo static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 4178e705c121SKalle Valo struct ieee80211_vif *vif, 4179e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 4180e705c121SKalle Valo bool switching_chanctx) 4181e705c121SKalle Valo { 4182e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4183e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4184e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4185e705c121SKalle Valo int ret; 4186e705c121SKalle Valo 4187e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4188e705c121SKalle Valo 4189e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 4190e705c121SKalle Valo 4191e705c121SKalle Valo switch (vif->type) { 4192e705c121SKalle Valo case NL80211_IFTYPE_AP: 4193e705c121SKalle Valo /* only needed if we're switching chanctx (i.e. during CSA) */ 4194e705c121SKalle Valo if (switching_chanctx) { 4195e705c121SKalle Valo mvmvif->ap_ibss_active = true; 4196e705c121SKalle Valo break; 4197e705c121SKalle Valo } 4198244726ecSLuca Coelho /* fall through */ 4199e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 4200e705c121SKalle Valo /* 4201e705c121SKalle Valo * The AP binding flow is handled as part of the start_ap flow 4202e705c121SKalle Valo * (in bss_info_changed), similarly for IBSS. 4203e705c121SKalle Valo */ 4204e705c121SKalle Valo ret = 0; 4205e705c121SKalle Valo goto out; 4206e705c121SKalle Valo case NL80211_IFTYPE_STATION: 420719125cb0SAndrei Otcheretianski mvmvif->csa_bcn_pending = false; 4208e705c121SKalle Valo break; 4209e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 4210e705c121SKalle Valo /* always disable PS when a monitor interface is active */ 4211e705c121SKalle Valo mvmvif->ps_disabled = true; 4212e705c121SKalle Valo break; 4213e705c121SKalle Valo default: 4214e705c121SKalle Valo ret = -EINVAL; 4215e705c121SKalle Valo goto out; 4216e705c121SKalle Valo } 4217e705c121SKalle Valo 4218e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 4219e705c121SKalle Valo if (ret) 4220e705c121SKalle Valo goto out; 4221e705c121SKalle Valo 4222e705c121SKalle Valo /* 4223e705c121SKalle Valo * Power state must be updated before quotas, 4224e705c121SKalle Valo * otherwise fw will complain. 4225e705c121SKalle Valo */ 4226e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4227e705c121SKalle Valo 4228e705c121SKalle Valo /* Setting the quota at this stage is only required for monitor 4229e705c121SKalle Valo * interfaces. For the other types, the bss_info changed flow 4230e705c121SKalle Valo * will handle quota settings. 4231e705c121SKalle Valo */ 4232e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_MONITOR) { 4233e705c121SKalle Valo mvmvif->monitor_active = true; 4234e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 4235e705c121SKalle Valo if (ret) 4236e705c121SKalle Valo goto out_remove_binding; 42370e39eb03SChaya Rachel Ivgi 42380e39eb03SChaya Rachel Ivgi ret = iwl_mvm_add_snif_sta(mvm, vif); 42390e39eb03SChaya Rachel Ivgi if (ret) 42400e39eb03SChaya Rachel Ivgi goto out_remove_binding; 42410e39eb03SChaya Rachel Ivgi 4242e705c121SKalle Valo } 4243e705c121SKalle Valo 4244e705c121SKalle Valo /* Handle binding during CSA */ 4245e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) { 4246e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 4247e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4248e705c121SKalle Valo } 4249e705c121SKalle Valo 4250e705c121SKalle Valo if (switching_chanctx && vif->type == NL80211_IFTYPE_STATION) { 425174a10252SSara Sharon mvmvif->csa_bcn_pending = true; 425274a10252SSara Sharon 425374a10252SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, 425474a10252SSara Sharon IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 425519125cb0SAndrei Otcheretianski u32 duration = 3 * vif->bss_conf.beacon_int; 4256e705c121SKalle Valo 425774a10252SSara Sharon 4258e705c121SKalle Valo /* iwl_mvm_protect_session() reads directly from the 4259e705c121SKalle Valo * device (the system time), so make sure it is 4260e705c121SKalle Valo * available. 4261e705c121SKalle Valo */ 4262e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_CSA); 4263e705c121SKalle Valo if (ret) 4264e705c121SKalle Valo goto out_remove_binding; 4265e705c121SKalle Valo 4266e705c121SKalle Valo /* Protect the session to make sure we hear the first 4267e705c121SKalle Valo * beacon on the new channel. 4268e705c121SKalle Valo */ 4269e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, duration, duration, 4270e705c121SKalle Valo vif->bss_conf.beacon_int / 2, 4271e705c121SKalle Valo true); 4272e705c121SKalle Valo 4273e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_CSA); 427474a10252SSara Sharon } 4275e705c121SKalle Valo 4276e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 4277e705c121SKalle Valo } 4278e705c121SKalle Valo 4279e705c121SKalle Valo goto out; 4280e705c121SKalle Valo 4281e705c121SKalle Valo out_remove_binding: 4282e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 4283e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4284e705c121SKalle Valo out: 4285e705c121SKalle Valo if (ret) 4286e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 4287e705c121SKalle Valo return ret; 4288e705c121SKalle Valo } 4289e705c121SKalle Valo static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 4290e705c121SKalle Valo struct ieee80211_vif *vif, 4291e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4292e705c121SKalle Valo { 4293e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4294e705c121SKalle Valo int ret; 4295e705c121SKalle Valo 4296e705c121SKalle Valo mutex_lock(&mvm->mutex); 4297e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false); 4298e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4299e705c121SKalle Valo 4300e705c121SKalle Valo return ret; 4301e705c121SKalle Valo } 4302e705c121SKalle Valo 4303e705c121SKalle Valo static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 4304e705c121SKalle Valo struct ieee80211_vif *vif, 4305e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 4306e705c121SKalle Valo bool switching_chanctx) 4307e705c121SKalle Valo { 4308e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4309e705c121SKalle Valo struct ieee80211_vif *disabled_vif = NULL; 4310e705c121SKalle Valo 4311e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4312e705c121SKalle Valo 4313e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data); 4314e705c121SKalle Valo 4315e705c121SKalle Valo switch (vif->type) { 4316e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 4317e705c121SKalle Valo goto out; 4318e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 4319e705c121SKalle Valo mvmvif->monitor_active = false; 4320e705c121SKalle Valo mvmvif->ps_disabled = false; 43210e39eb03SChaya Rachel Ivgi iwl_mvm_rm_snif_sta(mvm, vif); 4322e705c121SKalle Valo break; 4323e705c121SKalle Valo case NL80211_IFTYPE_AP: 4324e705c121SKalle Valo /* This part is triggered only during CSA */ 4325e705c121SKalle Valo if (!switching_chanctx || !mvmvif->ap_ibss_active) 4326e705c121SKalle Valo goto out; 4327e705c121SKalle Valo 4328e705c121SKalle Valo mvmvif->csa_countdown = false; 4329e705c121SKalle Valo 4330e705c121SKalle Valo /* Set CS bit on all the stations */ 4331e705c121SKalle Valo iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 4332e705c121SKalle Valo 4333e705c121SKalle Valo /* Save blocked iface, the timeout is set on the next beacon */ 4334e705c121SKalle Valo rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 4335e705c121SKalle Valo 4336e705c121SKalle Valo mvmvif->ap_ibss_active = false; 4337e705c121SKalle Valo break; 4338e705c121SKalle Valo case NL80211_IFTYPE_STATION: 4339e705c121SKalle Valo if (!switching_chanctx) 4340e705c121SKalle Valo break; 4341e705c121SKalle Valo 4342e705c121SKalle Valo disabled_vif = vif; 4343e705c121SKalle Valo 434474a10252SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, 434574a10252SSara Sharon IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 4346e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 4347e705c121SKalle Valo break; 4348e705c121SKalle Valo default: 4349e705c121SKalle Valo break; 4350e705c121SKalle Valo } 4351e705c121SKalle Valo 4352e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, disabled_vif); 4353e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 4354e705c121SKalle Valo 4355e705c121SKalle Valo out: 4356e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 4357e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4358e705c121SKalle Valo } 4359e705c121SKalle Valo 4360e705c121SKalle Valo static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 4361e705c121SKalle Valo struct ieee80211_vif *vif, 4362e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4363e705c121SKalle Valo { 4364e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4365e705c121SKalle Valo 4366e705c121SKalle Valo mutex_lock(&mvm->mutex); 4367e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false); 4368e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4369e705c121SKalle Valo } 4370e705c121SKalle Valo 4371e705c121SKalle Valo static int 4372e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 4373e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs) 4374e705c121SKalle Valo { 4375e705c121SKalle Valo int ret; 4376e705c121SKalle Valo 4377e705c121SKalle Valo mutex_lock(&mvm->mutex); 4378e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); 4379e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 4380e705c121SKalle Valo 4381e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 4382e705c121SKalle Valo if (ret) { 4383e705c121SKalle Valo IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 4384e705c121SKalle Valo goto out_reassign; 4385e705c121SKalle Valo } 4386e705c121SKalle Valo 4387e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, 4388e705c121SKalle Valo true); 4389e705c121SKalle Valo if (ret) { 4390e705c121SKalle Valo IWL_ERR(mvm, 4391e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 4392e705c121SKalle Valo goto out_remove; 4393e705c121SKalle Valo } 4394e705c121SKalle Valo 4395e705c121SKalle Valo /* we don't support TDLS during DCM - can be caused by channel switch */ 4396e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 4397e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 4398e705c121SKalle Valo 4399e705c121SKalle Valo goto out; 4400e705c121SKalle Valo 4401e705c121SKalle Valo out_remove: 4402e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 4403e705c121SKalle Valo 4404e705c121SKalle Valo out_reassign: 4405e705c121SKalle Valo if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 4406e705c121SKalle Valo IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 4407e705c121SKalle Valo goto out_restart; 4408e705c121SKalle Valo } 4409e705c121SKalle Valo 4410e705c121SKalle Valo if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, 4411e705c121SKalle Valo true)) { 4412e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 4413e705c121SKalle Valo goto out_restart; 4414e705c121SKalle Valo } 4415e705c121SKalle Valo 4416e705c121SKalle Valo goto out; 4417e705c121SKalle Valo 4418e705c121SKalle Valo out_restart: 4419e705c121SKalle Valo /* things keep failing, better restart the hw */ 4420e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 4421e705c121SKalle Valo 4422e705c121SKalle Valo out: 4423e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4424e705c121SKalle Valo 4425e705c121SKalle Valo return ret; 4426e705c121SKalle Valo } 4427e705c121SKalle Valo 4428e705c121SKalle Valo static int 4429e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 4430e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs) 4431e705c121SKalle Valo { 4432e705c121SKalle Valo int ret; 4433e705c121SKalle Valo 4434e705c121SKalle Valo mutex_lock(&mvm->mutex); 4435e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); 4436e705c121SKalle Valo 4437e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, 4438e705c121SKalle Valo true); 4439e705c121SKalle Valo if (ret) { 4440e705c121SKalle Valo IWL_ERR(mvm, 4441e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 4442e705c121SKalle Valo goto out_reassign; 4443e705c121SKalle Valo } 4444e705c121SKalle Valo 4445e705c121SKalle Valo goto out; 4446e705c121SKalle Valo 4447e705c121SKalle Valo out_reassign: 4448e705c121SKalle Valo if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, 4449e705c121SKalle Valo true)) { 4450e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 4451e705c121SKalle Valo goto out_restart; 4452e705c121SKalle Valo } 4453e705c121SKalle Valo 4454e705c121SKalle Valo goto out; 4455e705c121SKalle Valo 4456e705c121SKalle Valo out_restart: 4457e705c121SKalle Valo /* things keep failing, better restart the hw */ 4458e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 4459e705c121SKalle Valo 4460e705c121SKalle Valo out: 4461e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4462e705c121SKalle Valo 4463e705c121SKalle Valo return ret; 4464e705c121SKalle Valo } 4465e705c121SKalle Valo 4466e705c121SKalle Valo static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 4467e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs, 4468e705c121SKalle Valo int n_vifs, 4469e705c121SKalle Valo enum ieee80211_chanctx_switch_mode mode) 4470e705c121SKalle Valo { 4471e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4472e705c121SKalle Valo int ret; 4473e705c121SKalle Valo 4474e705c121SKalle Valo /* we only support a single-vif right now */ 4475e705c121SKalle Valo if (n_vifs > 1) 4476e705c121SKalle Valo return -EOPNOTSUPP; 4477e705c121SKalle Valo 4478e705c121SKalle Valo switch (mode) { 4479e705c121SKalle Valo case CHANCTX_SWMODE_SWAP_CONTEXTS: 4480e705c121SKalle Valo ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs); 4481e705c121SKalle Valo break; 4482e705c121SKalle Valo case CHANCTX_SWMODE_REASSIGN_VIF: 4483e705c121SKalle Valo ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs); 4484e705c121SKalle Valo break; 4485e705c121SKalle Valo default: 4486e705c121SKalle Valo ret = -EOPNOTSUPP; 4487e705c121SKalle Valo break; 4488e705c121SKalle Valo } 4489e705c121SKalle Valo 4490e705c121SKalle Valo return ret; 4491e705c121SKalle Valo } 4492e705c121SKalle Valo 44932f0282dbSJohannes Berg static int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 44942f0282dbSJohannes Berg { 44952f0282dbSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 44962f0282dbSJohannes Berg 44972f0282dbSJohannes Berg return mvm->ibss_manager; 44982f0282dbSJohannes Berg } 44992f0282dbSJohannes Berg 4500e705c121SKalle Valo static int iwl_mvm_set_tim(struct ieee80211_hw *hw, 4501e705c121SKalle Valo struct ieee80211_sta *sta, 4502e705c121SKalle Valo bool set) 4503e705c121SKalle Valo { 4504e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4505e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 4506e705c121SKalle Valo 4507e705c121SKalle Valo if (!mvm_sta || !mvm_sta->vif) { 4508e705c121SKalle Valo IWL_ERR(mvm, "Station is not associated to a vif\n"); 4509e705c121SKalle Valo return -EINVAL; 4510e705c121SKalle Valo } 4511e705c121SKalle Valo 4512e705c121SKalle Valo return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif); 4513e705c121SKalle Valo } 4514e705c121SKalle Valo 4515e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 4516e705c121SKalle Valo static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { 4517e705c121SKalle Valo [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, 4518e705c121SKalle Valo [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, 4519e705c121SKalle Valo [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, 4520e705c121SKalle Valo }; 4521e705c121SKalle Valo 4522e705c121SKalle Valo static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, 4523e705c121SKalle Valo struct ieee80211_vif *vif, 4524e705c121SKalle Valo void *data, int len) 4525e705c121SKalle Valo { 4526e705c121SKalle Valo struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; 4527e705c121SKalle Valo int err; 4528e705c121SKalle Valo u32 noa_duration; 4529e705c121SKalle Valo 45308cb08174SJohannes Berg err = nla_parse_deprecated(tb, IWL_MVM_TM_ATTR_MAX, data, len, 45318cb08174SJohannes Berg iwl_mvm_tm_policy, NULL); 4532e705c121SKalle Valo if (err) 4533e705c121SKalle Valo return err; 4534e705c121SKalle Valo 4535e705c121SKalle Valo if (!tb[IWL_MVM_TM_ATTR_CMD]) 4536e705c121SKalle Valo return -EINVAL; 4537e705c121SKalle Valo 4538e705c121SKalle Valo switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { 4539e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_NOA: 4540e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || 4541e705c121SKalle Valo !vif->bss_conf.enable_beacon || 4542e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) 4543e705c121SKalle Valo return -EINVAL; 4544e705c121SKalle Valo 4545e705c121SKalle Valo noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); 4546e705c121SKalle Valo if (noa_duration >= vif->bss_conf.beacon_int) 4547e705c121SKalle Valo return -EINVAL; 4548e705c121SKalle Valo 4549e705c121SKalle Valo mvm->noa_duration = noa_duration; 4550e705c121SKalle Valo mvm->noa_vif = vif; 4551e705c121SKalle Valo 455222b21041SShaul Triebitz return iwl_mvm_update_quotas(mvm, true, NULL); 4553e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_BEACON_FILTER: 4554e705c121SKalle Valo /* must be associated client vif - ignore authorized */ 4555e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_STATION || 4556e705c121SKalle Valo !vif->bss_conf.assoc || !vif->bss_conf.dtim_period || 4557e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) 4558e705c121SKalle Valo return -EINVAL; 4559e705c121SKalle Valo 4560e705c121SKalle Valo if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) 4561e705c121SKalle Valo return iwl_mvm_enable_beacon_filter(mvm, vif, 0); 4562e705c121SKalle Valo return iwl_mvm_disable_beacon_filter(mvm, vif, 0); 4563e705c121SKalle Valo } 4564e705c121SKalle Valo 4565e705c121SKalle Valo return -EOPNOTSUPP; 4566e705c121SKalle Valo } 4567e705c121SKalle Valo 4568e705c121SKalle Valo static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, 4569e705c121SKalle Valo struct ieee80211_vif *vif, 4570e705c121SKalle Valo void *data, int len) 4571e705c121SKalle Valo { 4572e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4573e705c121SKalle Valo int err; 4574e705c121SKalle Valo 4575e705c121SKalle Valo mutex_lock(&mvm->mutex); 4576e705c121SKalle Valo err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); 4577e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4578e705c121SKalle Valo 4579e705c121SKalle Valo return err; 4580e705c121SKalle Valo } 4581e705c121SKalle Valo #endif 4582e705c121SKalle Valo 4583e705c121SKalle Valo static void iwl_mvm_channel_switch(struct ieee80211_hw *hw, 4584e705c121SKalle Valo struct ieee80211_vif *vif, 4585e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 4586e705c121SKalle Valo { 4587e705c121SKalle Valo /* By implementing this operation, we prevent mac80211 from 4588e705c121SKalle Valo * starting its own channel switch timer, so that we can call 4589e705c121SKalle Valo * ieee80211_chswitch_done() ourselves at the right time 4590e705c121SKalle Valo * (which is when the absence time event starts). 4591e705c121SKalle Valo */ 4592e705c121SKalle Valo 4593e705c121SKalle Valo IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 4594e705c121SKalle Valo "dummy channel switch op\n"); 4595e705c121SKalle Valo } 4596e705c121SKalle Valo 459774a10252SSara Sharon static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, 459874a10252SSara Sharon struct ieee80211_vif *vif, 459974a10252SSara Sharon struct ieee80211_channel_switch *chsw) 460074a10252SSara Sharon { 460174a10252SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 460274a10252SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 460374a10252SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 460474a10252SSara Sharon mvmvif->color)), 460574a10252SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 460674a10252SSara Sharon .tsf = cpu_to_le32(chsw->timestamp), 460774a10252SSara Sharon .cs_count = chsw->count, 460877738865SSara Sharon .cs_mode = chsw->block_tx, 460974a10252SSara Sharon }; 461074a10252SSara Sharon 461174a10252SSara Sharon lockdep_assert_held(&mvm->mutex); 461274a10252SSara Sharon 46139cfcf71cSSara Sharon if (chsw->delay) 46149cfcf71cSSara Sharon cmd.cs_delayed_bcn_count = 46159cfcf71cSSara Sharon DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int); 46169cfcf71cSSara Sharon 461774a10252SSara Sharon return iwl_mvm_send_cmd_pdu(mvm, 461874a10252SSara Sharon WIDE_ID(MAC_CONF_GROUP, 461974a10252SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 462074a10252SSara Sharon 0, sizeof(cmd), &cmd); 462174a10252SSara Sharon } 462274a10252SSara Sharon 4623f6780614SSara Sharon #define IWL_MAX_CSA_BLOCK_TX 1500 4624e705c121SKalle Valo static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, 4625e705c121SKalle Valo struct ieee80211_vif *vif, 4626e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 4627e705c121SKalle Valo { 4628e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4629e705c121SKalle Valo struct ieee80211_vif *csa_vif; 4630e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4631e705c121SKalle Valo u32 apply_time; 4632e705c121SKalle Valo int ret; 4633e705c121SKalle Valo 4634e705c121SKalle Valo mutex_lock(&mvm->mutex); 4635e705c121SKalle Valo 4636e705c121SKalle Valo mvmvif->csa_failed = false; 4637e705c121SKalle Valo 4638e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 4639e705c121SKalle Valo chsw->chandef.center_freq1); 4640e705c121SKalle Valo 46417174beb6SJohannes Berg iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 46427174beb6SJohannes Berg ieee80211_vif_to_wdev(vif), 46437174beb6SJohannes Berg FW_DBG_TRIGGER_CHANNEL_SWITCH); 4644e705c121SKalle Valo 4645e705c121SKalle Valo switch (vif->type) { 4646e705c121SKalle Valo case NL80211_IFTYPE_AP: 4647e705c121SKalle Valo csa_vif = 4648e705c121SKalle Valo rcu_dereference_protected(mvm->csa_vif, 4649e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 4650e705c121SKalle Valo if (WARN_ONCE(csa_vif && csa_vif->csa_active, 4651e705c121SKalle Valo "Another CSA is already in progress")) { 4652e705c121SKalle Valo ret = -EBUSY; 4653e705c121SKalle Valo goto out_unlock; 4654e705c121SKalle Valo } 4655e705c121SKalle Valo 4656d3a108a4SAndrei Otcheretianski /* we still didn't unblock tx. prevent new CS meanwhile */ 4657d3a108a4SAndrei Otcheretianski if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 4658d3a108a4SAndrei Otcheretianski lockdep_is_held(&mvm->mutex))) { 4659d3a108a4SAndrei Otcheretianski ret = -EBUSY; 4660d3a108a4SAndrei Otcheretianski goto out_unlock; 4661d3a108a4SAndrei Otcheretianski } 4662d3a108a4SAndrei Otcheretianski 4663e705c121SKalle Valo rcu_assign_pointer(mvm->csa_vif, vif); 4664e705c121SKalle Valo 4665e705c121SKalle Valo if (WARN_ONCE(mvmvif->csa_countdown, 4666e705c121SKalle Valo "Previous CSA countdown didn't complete")) { 4667e705c121SKalle Valo ret = -EBUSY; 4668e705c121SKalle Valo goto out_unlock; 4669e705c121SKalle Valo } 4670e705c121SKalle Valo 4671d3a108a4SAndrei Otcheretianski mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 4672d3a108a4SAndrei Otcheretianski 4673e705c121SKalle Valo break; 4674e705c121SKalle Valo case NL80211_IFTYPE_STATION: 4675e705c121SKalle Valo /* Schedule the time event to a bit before beacon 1, 4676e705c121SKalle Valo * to make sure we're in the new channel when the 4677f5d8f50fSIlan Peer * GO/AP arrives. In case count <= 1 immediately schedule the 4678f5d8f50fSIlan Peer * TE (this might result with some packet loss or connection 4679f5d8f50fSIlan Peer * loss). 4680e705c121SKalle Valo */ 4681f5d8f50fSIlan Peer if (chsw->count <= 1) 4682f5d8f50fSIlan Peer apply_time = 0; 4683f5d8f50fSIlan Peer else 4684e705c121SKalle Valo apply_time = chsw->device_timestamp + 4685e705c121SKalle Valo ((vif->bss_conf.beacon_int * (chsw->count - 1) - 4686e705c121SKalle Valo IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 4687e705c121SKalle Valo 4688f6780614SSara Sharon if (chsw->block_tx) { 4689e705c121SKalle Valo iwl_mvm_csa_client_absent(mvm, vif); 4690f6780614SSara Sharon /* 4691f6780614SSara Sharon * In case of undetermined / long time with immediate 4692f6780614SSara Sharon * quiet monitor status to gracefully disconnect 4693f6780614SSara Sharon */ 4694f6780614SSara Sharon if (!chsw->count || 4695f6780614SSara Sharon chsw->count * vif->bss_conf.beacon_int > 4696f6780614SSara Sharon IWL_MAX_CSA_BLOCK_TX) 4697f6780614SSara Sharon schedule_delayed_work(&mvmvif->csa_work, 4698f6780614SSara Sharon msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX)); 4699f6780614SSara Sharon } 4700e705c121SKalle Valo 4701e705c121SKalle Valo if (mvmvif->bf_data.bf_enabled) { 4702e705c121SKalle Valo ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 4703e705c121SKalle Valo if (ret) 4704e705c121SKalle Valo goto out_unlock; 4705e705c121SKalle Valo } 4706e705c121SKalle Valo 470774a10252SSara Sharon if (fw_has_capa(&mvm->fw->ucode_capa, 470874a10252SSara Sharon IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 470974a10252SSara Sharon iwl_mvm_schedule_client_csa(mvm, vif, chsw); 471074a10252SSara Sharon else 471174a10252SSara Sharon iwl_mvm_schedule_csa_period(mvm, vif, 471274a10252SSara Sharon vif->bss_conf.beacon_int, 471374a10252SSara Sharon apply_time); 471481b4e44eSSara Sharon 471581b4e44eSSara Sharon mvmvif->csa_count = chsw->count; 471681b4e44eSSara Sharon mvmvif->csa_misbehave = false; 4717e705c121SKalle Valo break; 4718e705c121SKalle Valo default: 4719e705c121SKalle Valo break; 4720e705c121SKalle Valo } 4721e705c121SKalle Valo 4722e705c121SKalle Valo mvmvif->ps_disabled = true; 4723e705c121SKalle Valo 4724e705c121SKalle Valo ret = iwl_mvm_power_update_ps(mvm); 4725e705c121SKalle Valo if (ret) 4726e705c121SKalle Valo goto out_unlock; 4727e705c121SKalle Valo 4728e705c121SKalle Valo /* we won't be on this channel any longer */ 4729e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 4730e705c121SKalle Valo 4731e705c121SKalle Valo out_unlock: 4732e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4733e705c121SKalle Valo 4734e705c121SKalle Valo return ret; 4735e705c121SKalle Valo } 4736e705c121SKalle Valo 4737c37763d2SSara Sharon static void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw, 4738c37763d2SSara Sharon struct ieee80211_vif *vif, 4739c37763d2SSara Sharon struct ieee80211_channel_switch *chsw) 4740e705c121SKalle Valo { 4741e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4742c37763d2SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4743c37763d2SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 4744c37763d2SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 4745c37763d2SSara Sharon mvmvif->color)), 4746c37763d2SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY), 4747c37763d2SSara Sharon .tsf = cpu_to_le32(chsw->timestamp), 4748c37763d2SSara Sharon .cs_count = chsw->count, 474977738865SSara Sharon .cs_mode = chsw->block_tx, 4750c37763d2SSara Sharon }; 4751e705c121SKalle Valo 4752c37763d2SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY)) 4753c37763d2SSara Sharon return; 4754e705c121SKalle Valo 475581b4e44eSSara Sharon if (chsw->count >= mvmvif->csa_count && chsw->block_tx) { 475681b4e44eSSara Sharon if (mvmvif->csa_misbehave) { 475781b4e44eSSara Sharon /* Second time, give up on this AP*/ 475881b4e44eSSara Sharon iwl_mvm_abort_channel_switch(hw, vif); 475981b4e44eSSara Sharon ieee80211_chswitch_done(vif, false); 476081b4e44eSSara Sharon mvmvif->csa_misbehave = false; 476181b4e44eSSara Sharon return; 4762e705c121SKalle Valo } 476381b4e44eSSara Sharon mvmvif->csa_misbehave = true; 4764e705c121SKalle Valo } 476581b4e44eSSara Sharon mvmvif->csa_count = chsw->count; 4766e705c121SKalle Valo 4767c37763d2SSara Sharon IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d\n", mvmvif->id); 4768e705c121SKalle Valo 4769c37763d2SSara Sharon WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 4770c37763d2SSara Sharon WIDE_ID(MAC_CONF_GROUP, 4771c37763d2SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 4772c37763d2SSara Sharon CMD_ASYNC, sizeof(cmd), &cmd)); 4773e705c121SKalle Valo } 4774e705c121SKalle Valo 47756110d9e5SDavid Spinadel static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) 47766110d9e5SDavid Spinadel { 4777435d0827SSara Sharon int i; 4778435d0827SSara Sharon 477906195639SSara Sharon if (!iwl_mvm_has_new_tx_api(mvm)) { 4780309c4848SLuca Coelho if (drop) { 4781309c4848SLuca Coelho mutex_lock(&mvm->mutex); 47826110d9e5SDavid Spinadel iwl_mvm_flush_tx_path(mvm, 4783435d0827SSara Sharon iwl_mvm_flushable_queues(mvm) & queues, 0); 4784309c4848SLuca Coelho mutex_unlock(&mvm->mutex); 4785309c4848SLuca Coelho } else { 4786435d0827SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, queues); 4787309c4848SLuca Coelho } 4788435d0827SSara Sharon return; 4789435d0827SSara Sharon } 47906110d9e5SDavid Spinadel 47916110d9e5SDavid Spinadel mutex_lock(&mvm->mutex); 47926110d9e5SDavid Spinadel for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) { 4793435d0827SSara Sharon struct ieee80211_sta *sta; 4794435d0827SSara Sharon 4795435d0827SSara Sharon sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 47966110d9e5SDavid Spinadel lockdep_is_held(&mvm->mutex)); 47976110d9e5SDavid Spinadel if (IS_ERR_OR_NULL(sta)) 47986110d9e5SDavid Spinadel continue; 47996110d9e5SDavid Spinadel 480006195639SSara Sharon if (drop) 480106195639SSara Sharon iwl_mvm_flush_sta_tids(mvm, i, 0xFF, 0); 480206195639SSara Sharon else 48036110d9e5SDavid Spinadel iwl_mvm_wait_sta_queues_empty(mvm, 48046110d9e5SDavid Spinadel iwl_mvm_sta_from_mac80211(sta)); 48056110d9e5SDavid Spinadel } 48066110d9e5SDavid Spinadel mutex_unlock(&mvm->mutex); 48076110d9e5SDavid Spinadel } 48086110d9e5SDavid Spinadel 4809e705c121SKalle Valo static void iwl_mvm_mac_flush(struct ieee80211_hw *hw, 4810e705c121SKalle Valo struct ieee80211_vif *vif, u32 queues, bool drop) 4811e705c121SKalle Valo { 4812e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4813e705c121SKalle Valo struct iwl_mvm_vif *mvmvif; 4814e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 4815e705c121SKalle Valo struct ieee80211_sta *sta; 4816e705c121SKalle Valo int i; 4817e705c121SKalle Valo u32 msk = 0; 4818e705c121SKalle Valo 48196110d9e5SDavid Spinadel if (!vif) { 48206110d9e5SDavid Spinadel iwl_mvm_flush_no_vif(mvm, queues, drop); 48216110d9e5SDavid Spinadel return; 48226110d9e5SDavid Spinadel } 48236110d9e5SDavid Spinadel 48246110d9e5SDavid Spinadel if (vif->type != NL80211_IFTYPE_STATION) 4825e705c121SKalle Valo return; 4826e705c121SKalle Valo 482724afba76SLiad Kaufman /* Make sure we're done with the deferred traffic before flushing */ 482824afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 482924afba76SLiad Kaufman 4830e705c121SKalle Valo mutex_lock(&mvm->mutex); 4831e705c121SKalle Valo mvmvif = iwl_mvm_vif_from_mac80211(vif); 4832e705c121SKalle Valo 4833e705c121SKalle Valo /* flush the AP-station and all TDLS peers */ 48340ae98812SSara Sharon for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) { 4835e705c121SKalle Valo sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 4836e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 4837e705c121SKalle Valo if (IS_ERR_OR_NULL(sta)) 4838e705c121SKalle Valo continue; 4839e705c121SKalle Valo 4840e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_mac80211(sta); 4841e705c121SKalle Valo if (mvmsta->vif != vif) 4842e705c121SKalle Valo continue; 4843e705c121SKalle Valo 4844e705c121SKalle Valo /* make sure only TDLS peers or the AP are flushed */ 4845e705c121SKalle Valo WARN_ON(i != mvmvif->ap_sta_id && !sta->tdls); 4846e705c121SKalle Valo 4847d49394a1SSara Sharon if (drop) { 4848d49394a1SSara Sharon if (iwl_mvm_flush_sta(mvm, mvmsta, false, 0)) 4849d49394a1SSara Sharon IWL_ERR(mvm, "flush request fail\n"); 4850d49394a1SSara Sharon } else { 4851e705c121SKalle Valo msk |= mvmsta->tfd_queue_msk; 4852d6d517b7SSara Sharon if (iwl_mvm_has_new_tx_api(mvm)) 4853d6d517b7SSara Sharon iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 4854e705c121SKalle Valo } 4855d49394a1SSara Sharon } 4856e705c121SKalle Valo 4857e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4858e705c121SKalle Valo 4859e705c121SKalle Valo /* this can take a while, and we may need/want other operations 4860e705c121SKalle Valo * to succeed while doing this, so do it without the mutex held 4861e705c121SKalle Valo */ 4862d6d517b7SSara Sharon if (!drop && !iwl_mvm_has_new_tx_api(mvm)) 4863a1a57877SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 4864e705c121SKalle Valo } 4865e705c121SKalle Valo 4866e705c121SKalle Valo static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 4867e705c121SKalle Valo struct survey_info *survey) 4868e705c121SKalle Valo { 4869e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4870e705c121SKalle Valo int ret; 4871e705c121SKalle Valo 4872e705c121SKalle Valo memset(survey, 0, sizeof(*survey)); 4873e705c121SKalle Valo 4874e705c121SKalle Valo /* only support global statistics right now */ 4875e705c121SKalle Valo if (idx != 0) 4876e705c121SKalle Valo return -ENOENT; 4877e705c121SKalle Valo 4878280a3efaSJohannes Berg if (!fw_has_capa(&mvm->fw->ucode_capa, 4879e705c121SKalle Valo IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 4880e705c121SKalle Valo return -ENOENT; 4881e705c121SKalle Valo 4882e705c121SKalle Valo mutex_lock(&mvm->mutex); 4883e705c121SKalle Valo 4884aab6930dSJohannes Berg if (iwl_mvm_firmware_running(mvm)) { 4885e705c121SKalle Valo ret = iwl_mvm_request_statistics(mvm, false); 4886e705c121SKalle Valo if (ret) 4887e705c121SKalle Valo goto out; 4888e705c121SKalle Valo } 4889e705c121SKalle Valo 4890e705c121SKalle Valo survey->filled = SURVEY_INFO_TIME | 4891e705c121SKalle Valo SURVEY_INFO_TIME_RX | 4892e705c121SKalle Valo SURVEY_INFO_TIME_TX | 4893e705c121SKalle Valo SURVEY_INFO_TIME_SCAN; 4894e705c121SKalle Valo survey->time = mvm->accu_radio_stats.on_time_rf + 4895e705c121SKalle Valo mvm->radio_stats.on_time_rf; 4896e705c121SKalle Valo do_div(survey->time, USEC_PER_MSEC); 4897e705c121SKalle Valo 4898e705c121SKalle Valo survey->time_rx = mvm->accu_radio_stats.rx_time + 4899e705c121SKalle Valo mvm->radio_stats.rx_time; 4900e705c121SKalle Valo do_div(survey->time_rx, USEC_PER_MSEC); 4901e705c121SKalle Valo 4902e705c121SKalle Valo survey->time_tx = mvm->accu_radio_stats.tx_time + 4903e705c121SKalle Valo mvm->radio_stats.tx_time; 4904e705c121SKalle Valo do_div(survey->time_tx, USEC_PER_MSEC); 4905e705c121SKalle Valo 4906e705c121SKalle Valo survey->time_scan = mvm->accu_radio_stats.on_time_scan + 4907e705c121SKalle Valo mvm->radio_stats.on_time_scan; 4908e705c121SKalle Valo do_div(survey->time_scan, USEC_PER_MSEC); 4909e705c121SKalle Valo 4910e705c121SKalle Valo ret = 0; 4911e705c121SKalle Valo out: 4912e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4913e705c121SKalle Valo return ret; 4914e705c121SKalle Valo } 4915e705c121SKalle Valo 4916e705c121SKalle Valo static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 4917e705c121SKalle Valo struct ieee80211_vif *vif, 4918e705c121SKalle Valo struct ieee80211_sta *sta, 4919e705c121SKalle Valo struct station_info *sinfo) 4920e705c121SKalle Valo { 4921e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4922e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4923e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 4924e705c121SKalle Valo 4925988b5968SSara Sharon if (mvmsta->avg_energy) { 4926988b5968SSara Sharon sinfo->signal_avg = mvmsta->avg_energy; 492722d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 4928988b5968SSara Sharon } 4929988b5968SSara Sharon 4930e705c121SKalle Valo /* if beacon filtering isn't on mac80211 does it anyway */ 4931e705c121SKalle Valo if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 4932e705c121SKalle Valo return; 4933e705c121SKalle Valo 4934e705c121SKalle Valo if (!vif->bss_conf.assoc) 4935e705c121SKalle Valo return; 4936e705c121SKalle Valo 4937e705c121SKalle Valo mutex_lock(&mvm->mutex); 4938e705c121SKalle Valo 4939e705c121SKalle Valo if (mvmvif->ap_sta_id != mvmsta->sta_id) 4940e705c121SKalle Valo goto unlock; 4941e705c121SKalle Valo 4942e705c121SKalle Valo if (iwl_mvm_request_statistics(mvm, false)) 4943e705c121SKalle Valo goto unlock; 4944e705c121SKalle Valo 4945e705c121SKalle Valo sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons + 4946e705c121SKalle Valo mvmvif->beacon_stats.accu_num_beacons; 494722d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); 4948e705c121SKalle Valo if (mvmvif->beacon_stats.avg_signal) { 4949e705c121SKalle Valo /* firmware only reports a value after RXing a few beacons */ 4950e705c121SKalle Valo sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal; 495122d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 4952e705c121SKalle Valo } 4953e705c121SKalle Valo unlock: 4954e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4955e705c121SKalle Valo } 4956e705c121SKalle Valo 4957e705c121SKalle Valo static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 4958e705c121SKalle Valo struct ieee80211_vif *vif, 4959e705c121SKalle Valo const struct ieee80211_event *event) 4960e705c121SKalle Valo { 49614c324a51SLuca Coelho #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 4962e705c121SKalle Valo do { \ 49634c324a51SLuca Coelho if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 4964e705c121SKalle Valo break; \ 49657174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 4966e705c121SKalle Valo } while (0) 4967e705c121SKalle Valo 4968e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 4969e705c121SKalle Valo struct iwl_fw_dbg_trigger_mlme *trig_mlme; 4970e705c121SKalle Valo 49716c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 49726c042d75SSara Sharon FW_DBG_TRIGGER_MLME); 49736c042d75SSara Sharon if (!trig) 4974e705c121SKalle Valo return; 4975e705c121SKalle Valo 4976e705c121SKalle Valo trig_mlme = (void *)trig->data; 4977e705c121SKalle Valo 4978e705c121SKalle Valo if (event->u.mlme.data == ASSOC_EVENT) { 4979e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 49804c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_denied, 4981e705c121SKalle Valo "DENIED ASSOC: reason %d", 4982e705c121SKalle Valo event->u.mlme.reason); 4983e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 49844c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_timeout, 4985e705c121SKalle Valo "ASSOC TIMEOUT"); 4986e705c121SKalle Valo } else if (event->u.mlme.data == AUTH_EVENT) { 4987e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 49884c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_denied, 4989e705c121SKalle Valo "DENIED AUTH: reason %d", 4990e705c121SKalle Valo event->u.mlme.reason); 4991e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 49924c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_timeout, 4993e705c121SKalle Valo "AUTH TIMEOUT"); 4994e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 49954c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_rx_deauth, 4996e705c121SKalle Valo "DEAUTH RX %d", event->u.mlme.reason); 4997e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 49984c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_tx_deauth, 4999e705c121SKalle Valo "DEAUTH TX %d", event->u.mlme.reason); 5000e705c121SKalle Valo } 5001e705c121SKalle Valo #undef CHECK_MLME_TRIGGER 5002e705c121SKalle Valo } 5003e705c121SKalle Valo 5004e705c121SKalle Valo static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 5005e705c121SKalle Valo struct ieee80211_vif *vif, 5006e705c121SKalle Valo const struct ieee80211_event *event) 5007e705c121SKalle Valo { 5008e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 5009e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 5010e705c121SKalle Valo 50116c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 50126c042d75SSara Sharon FW_DBG_TRIGGER_BA); 50136c042d75SSara Sharon if (!trig) 5014e705c121SKalle Valo return; 5015e705c121SKalle Valo 5016e705c121SKalle Valo ba_trig = (void *)trig->data; 5017e705c121SKalle Valo 5018e705c121SKalle Valo if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 5019e705c121SKalle Valo return; 5020e705c121SKalle Valo 50217174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 5022e705c121SKalle Valo "BAR received from %pM, tid %d, ssn %d", 5023e705c121SKalle Valo event->u.ba.sta->addr, event->u.ba.tid, 5024e705c121SKalle Valo event->u.ba.ssn); 5025e705c121SKalle Valo } 5026e705c121SKalle Valo 5027e705c121SKalle Valo static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 5028e705c121SKalle Valo struct ieee80211_vif *vif, 5029e705c121SKalle Valo const struct ieee80211_event *event) 5030e705c121SKalle Valo { 5031e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5032e705c121SKalle Valo 5033e705c121SKalle Valo switch (event->type) { 5034e705c121SKalle Valo case MLME_EVENT: 5035e705c121SKalle Valo iwl_mvm_event_mlme_callback(mvm, vif, event); 5036e705c121SKalle Valo break; 5037e705c121SKalle Valo case BAR_RX_EVENT: 5038e705c121SKalle Valo iwl_mvm_event_bar_rx_callback(mvm, vif, event); 5039e705c121SKalle Valo break; 5040e705c121SKalle Valo case BA_FRAME_TIMEOUT: 5041528a542aSEmmanuel Grumbach iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, 5042528a542aSEmmanuel Grumbach event->u.ba.tid); 5043e705c121SKalle Valo break; 5044e705c121SKalle Valo default: 5045e705c121SKalle Valo break; 5046e705c121SKalle Valo } 5047e705c121SKalle Valo } 5048e705c121SKalle Valo 5049d0ff5d22SSara Sharon void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 5050d0ff5d22SSara Sharon struct iwl_mvm_internal_rxq_notif *notif, 5051d0ff5d22SSara Sharon u32 size) 50520636b938SSara Sharon { 50530636b938SSara Sharon u32 qmask = BIT(mvm->trans->num_rx_queues) - 1; 50540636b938SSara Sharon int ret; 50550636b938SSara Sharon 50560636b938SSara Sharon 5057cb8550e1SSara Sharon if (!iwl_mvm_has_new_rx_api(mvm)) 50580636b938SSara Sharon return; 50590636b938SSara Sharon 5060d0ff5d22SSara Sharon notif->cookie = mvm->queue_sync_cookie; 50610636b938SSara Sharon 5062d0ff5d22SSara Sharon if (notif->sync) 5063d0ff5d22SSara Sharon atomic_set(&mvm->queue_sync_counter, 5064d0ff5d22SSara Sharon mvm->trans->num_rx_queues); 5065d0ff5d22SSara Sharon 5066*3c514bf8SEmmanuel Grumbach ret = iwl_mvm_notify_rx_queue(mvm, qmask, (u8 *)notif, 5067*3c514bf8SEmmanuel Grumbach size, !notif->sync); 50680636b938SSara Sharon if (ret) { 50690636b938SSara Sharon IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 50700636b938SSara Sharon goto out; 50710636b938SSara Sharon } 5072d0ff5d22SSara Sharon 50736ad04359SJohannes Berg if (notif->sync) { 5074*3c514bf8SEmmanuel Grumbach lockdep_assert_held(&mvm->mutex); 50753a732c65SSara Sharon ret = wait_event_timeout(mvm->rx_sync_waitq, 50766ad04359SJohannes Berg atomic_read(&mvm->queue_sync_counter) == 0 || 50776ad04359SJohannes Berg iwl_mvm_is_radio_killed(mvm), 50780636b938SSara Sharon HZ); 50796ad04359SJohannes Berg WARN_ON_ONCE(!ret && !iwl_mvm_is_radio_killed(mvm)); 50806ad04359SJohannes Berg } 50810636b938SSara Sharon 50820636b938SSara Sharon out: 50830636b938SSara Sharon atomic_set(&mvm->queue_sync_counter, 0); 50840636b938SSara Sharon mvm->queue_sync_cookie++; 50850636b938SSara Sharon } 50860636b938SSara Sharon 50870636b938SSara Sharon static void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) 50880636b938SSara Sharon { 50890636b938SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5090d0ff5d22SSara Sharon struct iwl_mvm_internal_rxq_notif data = { 5091d0ff5d22SSara Sharon .type = IWL_MVM_RXQ_EMPTY, 5092d0ff5d22SSara Sharon .sync = 1, 5093d0ff5d22SSara Sharon }; 50940636b938SSara Sharon 50950636b938SSara Sharon mutex_lock(&mvm->mutex); 5096d0ff5d22SSara Sharon iwl_mvm_sync_rx_queues_internal(mvm, &data, sizeof(data)); 50970636b938SSara Sharon mutex_unlock(&mvm->mutex); 50980636b938SSara Sharon } 50990636b938SSara Sharon 5100b73f9a4aSJohannes Berg static int 5101b73f9a4aSJohannes Berg iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw, 5102b73f9a4aSJohannes Berg struct ieee80211_vif *vif, 5103b73f9a4aSJohannes Berg struct cfg80211_ftm_responder_stats *stats) 5104b73f9a4aSJohannes Berg { 5105b73f9a4aSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5106b73f9a4aSJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5107b73f9a4aSJohannes Berg 5108b73f9a4aSJohannes Berg if (vif->p2p || vif->type != NL80211_IFTYPE_AP || 5109b73f9a4aSJohannes Berg !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder) 5110b73f9a4aSJohannes Berg return -EINVAL; 5111b73f9a4aSJohannes Berg 5112b73f9a4aSJohannes Berg mutex_lock(&mvm->mutex); 5113b73f9a4aSJohannes Berg *stats = mvm->ftm_resp_stats; 5114b73f9a4aSJohannes Berg mutex_unlock(&mvm->mutex); 5115b73f9a4aSJohannes Berg 5116b73f9a4aSJohannes Berg stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) | 5117b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_PARTIAL_NUM) | 5118b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_FAILED_NUM) | 5119b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_ASAP_NUM) | 5120b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_NON_ASAP_NUM) | 5121b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) | 5122b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) | 5123b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) | 5124b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM); 5125b73f9a4aSJohannes Berg 5126b73f9a4aSJohannes Berg return 0; 5127b73f9a4aSJohannes Berg } 5128b73f9a4aSJohannes Berg 5129fc36ffdaSJohannes Berg static int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, 5130fc36ffdaSJohannes Berg struct ieee80211_vif *vif, 5131fc36ffdaSJohannes Berg struct cfg80211_pmsr_request *request) 5132fc36ffdaSJohannes Berg { 5133fc36ffdaSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5134fc36ffdaSJohannes Berg int ret; 5135fc36ffdaSJohannes Berg 5136fc36ffdaSJohannes Berg mutex_lock(&mvm->mutex); 5137fc36ffdaSJohannes Berg ret = iwl_mvm_ftm_start(mvm, vif, request); 5138fc36ffdaSJohannes Berg mutex_unlock(&mvm->mutex); 5139fc36ffdaSJohannes Berg 5140fc36ffdaSJohannes Berg return ret; 5141fc36ffdaSJohannes Berg } 5142fc36ffdaSJohannes Berg 5143fc36ffdaSJohannes Berg static void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, 5144fc36ffdaSJohannes Berg struct ieee80211_vif *vif, 5145fc36ffdaSJohannes Berg struct cfg80211_pmsr_request *request) 5146fc36ffdaSJohannes Berg { 5147fc36ffdaSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5148fc36ffdaSJohannes Berg 5149fc36ffdaSJohannes Berg mutex_lock(&mvm->mutex); 5150fc36ffdaSJohannes Berg iwl_mvm_ftm_abort(mvm, request); 5151fc36ffdaSJohannes Berg mutex_unlock(&mvm->mutex); 5152fc36ffdaSJohannes Berg } 5153fc36ffdaSJohannes Berg 5154438af969SSara Sharon static bool iwl_mvm_can_hw_csum(struct sk_buff *skb) 5155438af969SSara Sharon { 5156438af969SSara Sharon u8 protocol = ip_hdr(skb)->protocol; 5157438af969SSara Sharon 5158438af969SSara Sharon if (!IS_ENABLED(CONFIG_INET)) 5159438af969SSara Sharon return false; 5160438af969SSara Sharon 5161438af969SSara Sharon return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; 5162438af969SSara Sharon } 5163438af969SSara Sharon 5164438af969SSara Sharon static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw, 5165438af969SSara Sharon struct sk_buff *head, 5166438af969SSara Sharon struct sk_buff *skb) 5167438af969SSara Sharon { 5168438af969SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5169438af969SSara Sharon 5170438af969SSara Sharon /* For now don't aggregate IPv6 in AMSDU */ 5171438af969SSara Sharon if (skb->protocol != htons(ETH_P_IP)) 5172438af969SSara Sharon return false; 5173438af969SSara Sharon 5174438af969SSara Sharon if (!iwl_mvm_is_csum_supported(mvm)) 5175438af969SSara Sharon return true; 5176438af969SSara Sharon 5177438af969SSara Sharon return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); 5178438af969SSara Sharon } 5179438af969SSara Sharon 5180e705c121SKalle Valo const struct ieee80211_ops iwl_mvm_hw_ops = { 5181e705c121SKalle Valo .tx = iwl_mvm_mac_tx, 5182cfbc6c4cSSara Sharon .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, 5183e705c121SKalle Valo .ampdu_action = iwl_mvm_mac_ampdu_action, 5184e705c121SKalle Valo .start = iwl_mvm_mac_start, 5185e705c121SKalle Valo .reconfig_complete = iwl_mvm_mac_reconfig_complete, 5186e705c121SKalle Valo .stop = iwl_mvm_mac_stop, 5187e705c121SKalle Valo .add_interface = iwl_mvm_mac_add_interface, 5188e705c121SKalle Valo .remove_interface = iwl_mvm_mac_remove_interface, 5189e705c121SKalle Valo .config = iwl_mvm_mac_config, 5190e705c121SKalle Valo .prepare_multicast = iwl_mvm_prepare_multicast, 5191e705c121SKalle Valo .configure_filter = iwl_mvm_configure_filter, 5192e705c121SKalle Valo .config_iface_filter = iwl_mvm_config_iface_filter, 5193e705c121SKalle Valo .bss_info_changed = iwl_mvm_bss_info_changed, 5194e705c121SKalle Valo .hw_scan = iwl_mvm_mac_hw_scan, 5195e705c121SKalle Valo .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, 5196e705c121SKalle Valo .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, 5197e705c121SKalle Valo .sta_state = iwl_mvm_mac_sta_state, 5198e705c121SKalle Valo .sta_notify = iwl_mvm_mac_sta_notify, 5199e705c121SKalle Valo .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, 5200e705c121SKalle Valo .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, 5201e705c121SKalle Valo .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, 5202e705c121SKalle Valo .sta_rc_update = iwl_mvm_sta_rc_update, 5203e705c121SKalle Valo .conf_tx = iwl_mvm_mac_conf_tx, 5204e705c121SKalle Valo .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, 5205e705c121SKalle Valo .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, 5206e705c121SKalle Valo .flush = iwl_mvm_mac_flush, 5207e705c121SKalle Valo .sched_scan_start = iwl_mvm_mac_sched_scan_start, 5208e705c121SKalle Valo .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, 5209e705c121SKalle Valo .set_key = iwl_mvm_mac_set_key, 5210e705c121SKalle Valo .update_tkip_key = iwl_mvm_mac_update_tkip_key, 5211e705c121SKalle Valo .remain_on_channel = iwl_mvm_roc, 5212e705c121SKalle Valo .cancel_remain_on_channel = iwl_mvm_cancel_roc, 5213e705c121SKalle Valo .add_chanctx = iwl_mvm_add_chanctx, 5214e705c121SKalle Valo .remove_chanctx = iwl_mvm_remove_chanctx, 5215e705c121SKalle Valo .change_chanctx = iwl_mvm_change_chanctx, 5216e705c121SKalle Valo .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, 5217e705c121SKalle Valo .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, 5218e705c121SKalle Valo .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, 5219e705c121SKalle Valo 5220e705c121SKalle Valo .start_ap = iwl_mvm_start_ap_ibss, 5221e705c121SKalle Valo .stop_ap = iwl_mvm_stop_ap_ibss, 5222e705c121SKalle Valo .join_ibss = iwl_mvm_start_ap_ibss, 5223e705c121SKalle Valo .leave_ibss = iwl_mvm_stop_ap_ibss, 5224e705c121SKalle Valo 52252f0282dbSJohannes Berg .tx_last_beacon = iwl_mvm_tx_last_beacon, 52262f0282dbSJohannes Berg 5227e705c121SKalle Valo .set_tim = iwl_mvm_set_tim, 5228e705c121SKalle Valo 5229e705c121SKalle Valo .channel_switch = iwl_mvm_channel_switch, 5230e705c121SKalle Valo .pre_channel_switch = iwl_mvm_pre_channel_switch, 5231e705c121SKalle Valo .post_channel_switch = iwl_mvm_post_channel_switch, 523279221126SSara Sharon .abort_channel_switch = iwl_mvm_abort_channel_switch, 5233c37763d2SSara Sharon .channel_switch_rx_beacon = iwl_mvm_channel_switch_rx_beacon, 5234e705c121SKalle Valo 5235e705c121SKalle Valo .tdls_channel_switch = iwl_mvm_tdls_channel_switch, 5236e705c121SKalle Valo .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, 5237e705c121SKalle Valo .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, 5238e705c121SKalle Valo 5239e705c121SKalle Valo .event_callback = iwl_mvm_mac_event_callback, 5240e705c121SKalle Valo 52410636b938SSara Sharon .sync_rx_queues = iwl_mvm_sync_rx_queues, 52420636b938SSara Sharon 5243e705c121SKalle Valo CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) 5244e705c121SKalle Valo 5245e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 5246e705c121SKalle Valo /* look at d3.c */ 5247e705c121SKalle Valo .suspend = iwl_mvm_suspend, 5248e705c121SKalle Valo .resume = iwl_mvm_resume, 5249e705c121SKalle Valo .set_wakeup = iwl_mvm_set_wakeup, 5250e705c121SKalle Valo .set_rekey_data = iwl_mvm_set_rekey_data, 5251e705c121SKalle Valo #if IS_ENABLED(CONFIG_IPV6) 5252e705c121SKalle Valo .ipv6_addr_change = iwl_mvm_ipv6_addr_change, 5253e705c121SKalle Valo #endif 5254e705c121SKalle Valo .set_default_unicast_key = iwl_mvm_set_default_unicast_key, 5255e705c121SKalle Valo #endif 5256e705c121SKalle Valo .get_survey = iwl_mvm_mac_get_survey, 5257e705c121SKalle Valo .sta_statistics = iwl_mvm_mac_sta_statistics, 5258b73f9a4aSJohannes Berg .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats, 5259fc36ffdaSJohannes Berg .start_pmsr = iwl_mvm_start_pmsr, 5260fc36ffdaSJohannes Berg .abort_pmsr = iwl_mvm_abort_pmsr, 5261b73f9a4aSJohannes Berg 5262438af969SSara Sharon .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, 5263177a11cfSGregory Greenman #ifdef CONFIG_IWLWIFI_DEBUGFS 5264177a11cfSGregory Greenman .sta_add_debugfs = iwl_mvm_sta_add_debugfs, 5265177a11cfSGregory Greenman #endif 5266e705c121SKalle Valo }; 5267