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); 477438af969SSara Sharon ieee80211_hw_set(hw, TX_AMSDU); 478438af969SSara Sharon ieee80211_hw_set(hw, TX_FRAG_LIST); 479ecaf71deSGregory Greenman 4804243edb4SEmmanuel Grumbach if (iwl_mvm_has_tlc_offload(mvm)) { 481ecaf71deSGregory Greenman ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); 482ecaf71deSGregory Greenman ieee80211_hw_set(hw, HAS_RATE_CONTROL); 483ecaf71deSGregory Greenman } 484ecaf71deSGregory Greenman 485b915c101SSara Sharon if (iwl_mvm_has_new_rx_api(mvm)) 486b915c101SSara Sharon ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); 487960f864bSJohannes Berg 488960f864bSJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 489960f864bSJohannes Berg IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) { 49065e25482SJohannes Berg ieee80211_hw_set(hw, AP_LINK_PS); 491960f864bSJohannes Berg } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) { 492960f864bSJohannes Berg /* 493960f864bSJohannes Berg * we absolutely need this for the new TX API since that comes 494960f864bSJohannes Berg * with many more queues than the current code can deal with 495960f864bSJohannes Berg * for station powersave 496960f864bSJohannes Berg */ 497960f864bSJohannes Berg return -EINVAL; 498960f864bSJohannes Berg } 499e705c121SKalle Valo 50080938abcSJohannes Berg if (mvm->trans->num_rx_queues > 1) 50180938abcSJohannes Berg ieee80211_hw_set(hw, USES_RSS); 50280938abcSJohannes Berg 5032d7cf549SJohannes Berg if (mvm->trans->max_skb_frags) 5042d7cf549SJohannes Berg hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; 5052d7cf549SJohannes Berg 506cf961e16SLiad Kaufman hw->queues = IEEE80211_MAX_QUEUES; 507e705c121SKalle Valo hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; 508e705c121SKalle Valo hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | 509e705c121SKalle Valo IEEE80211_RADIOTAP_MCS_HAVE_STBC; 510e705c121SKalle Valo hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | 511e705c121SKalle Valo IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; 512371a17edSJohannes Berg 513371a17edSJohannes Berg hw->radiotap_timestamp.units_pos = 514371a17edSJohannes Berg IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | 515371a17edSJohannes Berg IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; 516371a17edSJohannes Berg /* this is the case for CCK frames, it's better (only 8) for OFDM */ 517371a17edSJohannes Berg hw->radiotap_timestamp.accuracy = 22; 518371a17edSJohannes Berg 5194243edb4SEmmanuel Grumbach if (!iwl_mvm_has_tlc_offload(mvm)) 5209f66a397SGregory Greenman hw->rate_control_algorithm = RS_NAME; 5219f66a397SGregory Greenman 522e705c121SKalle Valo hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; 523e705c121SKalle Valo hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; 524438af969SSara Sharon hw->max_tx_fragments = mvm->trans->max_skb_frags; 525e705c121SKalle Valo 5268e160ab8SAyala Beker BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); 527e705c121SKalle Valo memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); 528e705c121SKalle Valo hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); 529e705c121SKalle Valo hw->wiphy->cipher_suites = mvm->ciphers; 530e705c121SKalle Valo 5312a53d166SAyala Beker if (iwl_mvm_has_new_rx_api(mvm)) { 5322a53d166SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 5332a53d166SAyala Beker WLAN_CIPHER_SUITE_GCMP; 5342a53d166SAyala Beker hw->wiphy->n_cipher_suites++; 5352a53d166SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 5362a53d166SAyala Beker WLAN_CIPHER_SUITE_GCMP_256; 5372a53d166SAyala Beker hw->wiphy->n_cipher_suites++; 5382a53d166SAyala Beker } 5392a53d166SAyala Beker 5404b87e5afSLuca Coelho /* Enable 11w if software crypto is not enabled (as the 5414b87e5afSLuca Coelho * firmware will interpret some mgmt packets, so enabling it 5424b87e5afSLuca Coelho * with software crypto isn't safe). 543e705c121SKalle Valo */ 5443b37f4c9SJohannes Berg if (!iwlwifi_mod_params.swcrypto) { 545e705c121SKalle Valo ieee80211_hw_set(hw, MFP_CAPABLE); 546e705c121SKalle Valo mvm->ciphers[hw->wiphy->n_cipher_suites] = 547e705c121SKalle Valo WLAN_CIPHER_SUITE_AES_CMAC; 548e705c121SKalle Valo hw->wiphy->n_cipher_suites++; 5498e160ab8SAyala Beker if (iwl_mvm_has_new_rx_api(mvm)) { 5508e160ab8SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 5518e160ab8SAyala Beker WLAN_CIPHER_SUITE_BIP_GMAC_128; 5528e160ab8SAyala Beker hw->wiphy->n_cipher_suites++; 5538e160ab8SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 5548e160ab8SAyala Beker WLAN_CIPHER_SUITE_BIP_GMAC_256; 5558e160ab8SAyala Beker hw->wiphy->n_cipher_suites++; 5568e160ab8SAyala Beker } 557e705c121SKalle Valo } 558e705c121SKalle Valo 559e705c121SKalle Valo /* currently FW API supports only one optional cipher scheme */ 560e705c121SKalle Valo if (mvm->fw->cs[0].cipher) { 56124ddddf3SJohannes Berg const struct iwl_fw_cipher_scheme *fwcs = &mvm->fw->cs[0]; 56224ddddf3SJohannes Berg struct ieee80211_cipher_scheme *cs = &mvm->cs[0]; 56324ddddf3SJohannes Berg 564e705c121SKalle Valo mvm->hw->n_cipher_schemes = 1; 56524ddddf3SJohannes Berg 56624ddddf3SJohannes Berg cs->cipher = le32_to_cpu(fwcs->cipher); 56724ddddf3SJohannes Berg cs->iftype = BIT(NL80211_IFTYPE_STATION); 56824ddddf3SJohannes Berg cs->hdr_len = fwcs->hdr_len; 56924ddddf3SJohannes Berg cs->pn_len = fwcs->pn_len; 57024ddddf3SJohannes Berg cs->pn_off = fwcs->pn_off; 57124ddddf3SJohannes Berg cs->key_idx_off = fwcs->key_idx_off; 57224ddddf3SJohannes Berg cs->key_idx_mask = fwcs->key_idx_mask; 57324ddddf3SJohannes Berg cs->key_idx_shift = fwcs->key_idx_shift; 57424ddddf3SJohannes Berg cs->mic_len = fwcs->mic_len; 57524ddddf3SJohannes Berg 57624ddddf3SJohannes Berg mvm->hw->cipher_schemes = mvm->cs; 57724ddddf3SJohannes Berg mvm->ciphers[hw->wiphy->n_cipher_suites] = cs->cipher; 578e705c121SKalle Valo hw->wiphy->n_cipher_suites++; 579e705c121SKalle Valo } 580e705c121SKalle Valo 581b73f9a4aSJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 582fc36ffdaSJohannes Berg IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) { 583b73f9a4aSJohannes Berg wiphy_ext_feature_set(hw->wiphy, 584b73f9a4aSJohannes Berg NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); 585fc36ffdaSJohannes Berg hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa; 586fc36ffdaSJohannes Berg } 587b73f9a4aSJohannes Berg 588e705c121SKalle Valo ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); 589e705c121SKalle Valo hw->wiphy->features |= 590e705c121SKalle Valo NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 591e705c121SKalle Valo NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 592e705c121SKalle Valo NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 593e705c121SKalle Valo 594e705c121SKalle Valo hw->sta_data_size = sizeof(struct iwl_mvm_sta); 595e705c121SKalle Valo hw->vif_data_size = sizeof(struct iwl_mvm_vif); 596e705c121SKalle Valo hw->chanctx_data_size = sizeof(u16); 597cfbc6c4cSSara Sharon hw->txq_data_size = sizeof(struct iwl_mvm_txq); 598e705c121SKalle Valo 599e705c121SKalle Valo hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 600e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT) | 601e705c121SKalle Valo BIT(NL80211_IFTYPE_AP) | 602e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_GO) | 603e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_DEVICE) | 604e705c121SKalle Valo BIT(NL80211_IFTYPE_ADHOC); 605e705c121SKalle Valo 606e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 607e47df5bdSJohannes Berg wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); 608e47df5bdSJohannes Berg hw->wiphy->features |= NL80211_FEATURE_HT_IBSS; 609e47df5bdSJohannes Berg 610e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; 611e705c121SKalle Valo if (iwl_mvm_is_lar_supported(mvm)) 612e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 613e705c121SKalle Valo else 614e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 615e705c121SKalle Valo REGULATORY_DISABLE_BEACON_HINTS; 616e705c121SKalle Valo 617e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 618e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 619e705c121SKalle Valo 620e705c121SKalle Valo hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; 621e705c121SKalle Valo hw->wiphy->n_iface_combinations = 622e705c121SKalle Valo ARRAY_SIZE(iwl_mvm_iface_combinations); 623e705c121SKalle Valo 624e705c121SKalle Valo hw->wiphy->max_remain_on_channel_duration = 10000; 625e705c121SKalle Valo hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; 626e705c121SKalle Valo 627e705c121SKalle Valo /* Extract MAC address */ 628e705c121SKalle Valo memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); 629e705c121SKalle Valo hw->wiphy->addresses = mvm->addresses; 630e705c121SKalle Valo hw->wiphy->n_addresses = 1; 631e705c121SKalle Valo 632e705c121SKalle Valo /* Extract additional MAC addresses if available */ 633e705c121SKalle Valo num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? 634e705c121SKalle Valo min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; 635e705c121SKalle Valo 636e705c121SKalle Valo for (i = 1; i < num_mac; i++) { 637e705c121SKalle Valo memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, 638e705c121SKalle Valo ETH_ALEN); 639e705c121SKalle Valo mvm->addresses[i].addr[5]++; 640e705c121SKalle Valo hw->wiphy->n_addresses++; 641e705c121SKalle Valo } 642e705c121SKalle Valo 643e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 644e705c121SKalle Valo 645e705c121SKalle Valo hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); 646e705c121SKalle Valo 647e705c121SKalle Valo hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; 648e705c121SKalle Valo 649e705c121SKalle Valo BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); 650e705c121SKalle Valo BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || 651e705c121SKalle Valo IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); 652e705c121SKalle Valo 653e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 654e705c121SKalle Valo mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS; 655e705c121SKalle Valo else 656e705c121SKalle Valo mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS; 657e705c121SKalle Valo 65857fbcce3SJohannes Berg if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) 65957fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_2GHZ] = 66057fbcce3SJohannes Berg &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; 66157fbcce3SJohannes Berg if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { 66257fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ] = 66357fbcce3SJohannes Berg &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; 664e705c121SKalle Valo 665e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 666e705c121SKalle Valo IWL_UCODE_TLV_CAPA_BEAMFORMER) && 667e705c121SKalle Valo fw_has_api(&mvm->fw->ucode_capa, 668e705c121SKalle Valo IWL_UCODE_TLV_API_LQ_SS_PARAMS)) 66957fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= 670e705c121SKalle Valo IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; 671e705c121SKalle Valo } 672e705c121SKalle Valo 673e705c121SKalle Valo hw->wiphy->hw_version = mvm->trans->hw_id; 674e705c121SKalle Valo 675e705c121SKalle Valo if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) 676e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; 677e705c121SKalle Valo else 678e705c121SKalle Valo hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 679e705c121SKalle Valo 680ca986ad9SArend Van Spriel hw->wiphy->max_sched_scan_reqs = 1; 681e705c121SKalle Valo hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; 682e705c121SKalle Valo hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES; 683e705c121SKalle Valo /* we create the 802.11 header and zero length SSID IE. */ 684e705c121SKalle Valo hw->wiphy->max_sched_scan_ie_len = 685e705c121SKalle Valo SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; 686e705c121SKalle Valo hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; 687e705c121SKalle Valo hw->wiphy->max_sched_scan_plan_interval = U16_MAX; 688e705c121SKalle Valo 689e705c121SKalle Valo /* 690e705c121SKalle Valo * the firmware uses u8 for num of iterations, but 0xff is saved for 691e705c121SKalle Valo * infinite loop, so the maximum number of iterations is actually 254. 692e705c121SKalle Valo */ 693e705c121SKalle Valo hw->wiphy->max_sched_scan_plan_iterations = 254; 694e705c121SKalle Valo 695e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | 696e705c121SKalle Valo NL80211_FEATURE_LOW_PRIORITY_SCAN | 697e705c121SKalle Valo NL80211_FEATURE_P2P_GO_OPPPS | 698a904a08bSPeer, Ilan NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 699e705c121SKalle Valo NL80211_FEATURE_DYNAMIC_SMPS | 700e705c121SKalle Valo NL80211_FEATURE_STATIC_SMPS | 701e705c121SKalle Valo NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; 702e705c121SKalle Valo 703e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 704e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) 705e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; 706e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 707e705c121SKalle Valo IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) 708e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_QUIET; 709e705c121SKalle Valo 710e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 711e705c121SKalle Valo IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) 712e705c121SKalle Valo hw->wiphy->features |= 713e705c121SKalle Valo NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; 714e705c121SKalle Valo 715e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 716e705c121SKalle Valo IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) 717e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; 718e705c121SKalle Valo 719aacf8f18SAvrahams Stern if (fw_has_api(&mvm->fw->ucode_capa, 720aacf8f18SAvrahams Stern IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { 721aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 722aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_SCAN_START_TIME); 723aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 724aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_BSS_PARENT_TSF); 725aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 726aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_SET_SCAN_DWELL); 727aacf8f18SAvrahams Stern } 728aacf8f18SAvrahams Stern 7298f691af9SZamir, Roee if (iwl_mvm_is_oce_supported(mvm)) { 7308f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 7318f691af9SZamir, Roee NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP); 7328f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 7338f691af9SZamir, Roee NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME); 7348f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 7358f691af9SZamir, Roee NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION); 7368f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 7378f691af9SZamir, Roee NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE); 7388f691af9SZamir, Roee } 7398f691af9SZamir, Roee 7407360f99eSEmmanuel Grumbach if (mvm->nvm_data->sku_cap_11ax_enable && 7417360f99eSEmmanuel Grumbach !iwlwifi_mod_params.disable_11ax) { 7427360f99eSEmmanuel Grumbach hw->wiphy->iftype_ext_capab = he_iftypes_ext_capa; 7437360f99eSEmmanuel Grumbach hw->wiphy->num_iftype_ext_capab = 7447360f99eSEmmanuel Grumbach ARRAY_SIZE(he_iftypes_ext_capa); 745918cbf39SSara Sharon 746918cbf39SSara Sharon ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); 747918cbf39SSara Sharon ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID); 7487360f99eSEmmanuel Grumbach } 7497360f99eSEmmanuel Grumbach 750e705c121SKalle Valo mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; 751e705c121SKalle Valo 752e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 753e705c121SKalle Valo if (iwl_mvm_is_d0i3_supported(mvm) && 754e705c121SKalle Valo device_can_wakeup(mvm->trans->dev)) { 755e705c121SKalle Valo mvm->wowlan.flags = WIPHY_WOWLAN_ANY; 756e705c121SKalle Valo hw->wiphy->wowlan = &mvm->wowlan; 757e705c121SKalle Valo } 758e705c121SKalle Valo 7593f37c229SIdo Yariv if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) && 760e705c121SKalle Valo mvm->trans->ops->d3_suspend && 761e705c121SKalle Valo mvm->trans->ops->d3_resume && 762e705c121SKalle Valo device_can_wakeup(mvm->trans->dev)) { 763e705c121SKalle Valo mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | 764e705c121SKalle Valo WIPHY_WOWLAN_DISCONNECT | 765e705c121SKalle Valo WIPHY_WOWLAN_EAP_IDENTITY_REQ | 766e705c121SKalle Valo WIPHY_WOWLAN_RFKILL_RELEASE | 767e705c121SKalle Valo WIPHY_WOWLAN_NET_DETECT; 7683b37f4c9SJohannes Berg if (!iwlwifi_mod_params.swcrypto) 769e705c121SKalle Valo mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 770e705c121SKalle Valo WIPHY_WOWLAN_GTK_REKEY_FAILURE | 771e705c121SKalle Valo WIPHY_WOWLAN_4WAY_HANDSHAKE; 772e705c121SKalle Valo 773e705c121SKalle Valo mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; 774e705c121SKalle Valo mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; 775e705c121SKalle Valo mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; 776e705c121SKalle Valo mvm->wowlan.max_nd_match_sets = IWL_SCAN_MAX_PROFILES; 777e705c121SKalle Valo hw->wiphy->wowlan = &mvm->wowlan; 778e705c121SKalle Valo } 779e705c121SKalle Valo #endif 780e705c121SKalle Valo 781e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 782e705c121SKalle Valo /* assign default bcast filtering configuration */ 783e705c121SKalle Valo mvm->bcast_filters = iwl_mvm_default_bcast_filters; 784e705c121SKalle Valo #endif 785e705c121SKalle Valo 786e705c121SKalle Valo ret = iwl_mvm_leds_init(mvm); 787e705c121SKalle Valo if (ret) 788e705c121SKalle Valo return ret; 789e705c121SKalle Valo 790e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 791e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { 792e705c121SKalle Valo IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); 793e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 794e705c121SKalle Valo ieee80211_hw_set(hw, TDLS_WIDER_BW); 795e705c121SKalle Valo } 796e705c121SKalle Valo 797e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 798e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { 799e705c121SKalle Valo IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); 800e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 801e705c121SKalle Valo } 802e705c121SKalle Valo 803e705c121SKalle Valo hw->netdev_features |= mvm->cfg->features; 8045e6a98dcSSara Sharon if (!iwl_mvm_is_csum_supported(mvm)) { 8055e6a98dcSSara Sharon hw->netdev_features &= ~(IWL_TX_CSUM_NETIF_FLAGS | 8065e6a98dcSSara Sharon NETIF_F_RXCSUM); 8075e6a98dcSSara Sharon /* We may support SW TX CSUM */ 80841837ca9SEmmanuel Grumbach if (IWL_MVM_SW_TX_CSUM_OFFLOAD) 8095e6a98dcSSara Sharon hw->netdev_features |= IWL_TX_CSUM_NETIF_FLAGS; 8105e6a98dcSSara Sharon } 81141837ca9SEmmanuel Grumbach 81291b08c2dSAviya Erenfeld if (mvm->cfg->vht_mu_mimo_supported) 81391b08c2dSAviya Erenfeld wiphy_ext_feature_set(hw->wiphy, 81491b08c2dSAviya Erenfeld NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); 81591b08c2dSAviya Erenfeld 816de645e89SJohannes Berg ret = ieee80211_register_hw(mvm->hw); 817de645e89SJohannes Berg if (ret) { 818de645e89SJohannes Berg iwl_mvm_leds_exit(mvm); 819e705c121SKalle Valo } 820e705c121SKalle Valo 821e705c121SKalle Valo return ret; 822e705c121SKalle Valo } 823e705c121SKalle Valo 824e705c121SKalle Valo static bool iwl_mvm_defer_tx(struct iwl_mvm *mvm, 825e705c121SKalle Valo struct ieee80211_sta *sta, 826e705c121SKalle Valo struct sk_buff *skb) 827e705c121SKalle Valo { 828e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 829e705c121SKalle Valo bool defer = false; 830e705c121SKalle Valo 831e705c121SKalle Valo /* 832e705c121SKalle Valo * double check the IN_D0I3 flag both before and after 833e705c121SKalle Valo * taking the spinlock, in order to prevent taking 834e705c121SKalle Valo * the spinlock when not needed. 835e705c121SKalle Valo */ 836e705c121SKalle Valo if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))) 837e705c121SKalle Valo return false; 838e705c121SKalle Valo 839e705c121SKalle Valo spin_lock(&mvm->d0i3_tx_lock); 840e705c121SKalle Valo /* 841e705c121SKalle Valo * testing the flag again ensures the skb dequeue 842e705c121SKalle Valo * loop (on d0i3 exit) hasn't run yet. 843e705c121SKalle Valo */ 844e705c121SKalle Valo if (!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)) 845e705c121SKalle Valo goto out; 846e705c121SKalle Valo 847e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_mac80211(sta); 8480ae98812SSara Sharon if (mvmsta->sta_id == IWL_MVM_INVALID_STA || 849e705c121SKalle Valo mvmsta->sta_id != mvm->d0i3_ap_sta_id) 850e705c121SKalle Valo goto out; 851e705c121SKalle Valo 852e705c121SKalle Valo __skb_queue_tail(&mvm->d0i3_tx, skb); 853e705c121SKalle Valo 854e705c121SKalle Valo /* trigger wakeup */ 855e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_TX); 856e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_TX); 857e705c121SKalle Valo 858e705c121SKalle Valo defer = true; 859e705c121SKalle Valo out: 860e705c121SKalle Valo spin_unlock(&mvm->d0i3_tx_lock); 861e705c121SKalle Valo return defer; 862e705c121SKalle Valo } 863e705c121SKalle Valo 864e705c121SKalle Valo static void iwl_mvm_mac_tx(struct ieee80211_hw *hw, 865e705c121SKalle Valo struct ieee80211_tx_control *control, 866e705c121SKalle Valo struct sk_buff *skb) 867e705c121SKalle Valo { 868e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 869e705c121SKalle Valo struct ieee80211_sta *sta = control->sta; 870e705c121SKalle Valo struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 871e705c121SKalle Valo struct ieee80211_hdr *hdr = (void *)skb->data; 872cfbc6c4cSSara Sharon bool offchannel = IEEE80211_SKB_CB(skb)->flags & 873cfbc6c4cSSara Sharon IEEE80211_TX_CTL_TX_OFFCHAN; 874e705c121SKalle Valo 875e705c121SKalle Valo if (iwl_mvm_is_radio_killed(mvm)) { 876e705c121SKalle Valo IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); 877e705c121SKalle Valo goto drop; 878e705c121SKalle Valo } 879e705c121SKalle Valo 880cfbc6c4cSSara Sharon if (offchannel && 881e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) && 882e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) 883e705c121SKalle Valo goto drop; 884e705c121SKalle Valo 885eb045e6eSDavid Spinadel /* treat non-bufferable MMPDUs on AP interfaces as broadcast */ 886eb045e6eSDavid Spinadel if ((info->control.vif->type == NL80211_IFTYPE_AP || 887eb045e6eSDavid Spinadel info->control.vif->type == NL80211_IFTYPE_ADHOC) && 888e705c121SKalle Valo ieee80211_is_mgmt(hdr->frame_control) && 889eb045e6eSDavid Spinadel !ieee80211_is_bufferable_mmpdu(hdr->frame_control)) 890e705c121SKalle Valo sta = NULL; 891e705c121SKalle Valo 892dc1aca22SAndrei Otcheretianski /* If there is no sta, and it's not offchannel - send through AP */ 893cfbc6c4cSSara Sharon if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION && 894cfbc6c4cSSara Sharon !offchannel) { 895dc1aca22SAndrei Otcheretianski struct iwl_mvm_vif *mvmvif = 896dc1aca22SAndrei Otcheretianski iwl_mvm_vif_from_mac80211(info->control.vif); 897dc1aca22SAndrei Otcheretianski u8 ap_sta_id = READ_ONCE(mvmvif->ap_sta_id); 898dc1aca22SAndrei Otcheretianski 899dc1aca22SAndrei Otcheretianski if (ap_sta_id < IWL_MVM_STATION_COUNT) { 900dc1aca22SAndrei Otcheretianski /* mac80211 holds rcu read lock */ 901dc1aca22SAndrei Otcheretianski sta = rcu_dereference(mvm->fw_id_to_mac_id[ap_sta_id]); 902dc1aca22SAndrei Otcheretianski if (IS_ERR_OR_NULL(sta)) 903dc1aca22SAndrei Otcheretianski goto drop; 904dc1aca22SAndrei Otcheretianski } 905dc1aca22SAndrei Otcheretianski } 906dc1aca22SAndrei Otcheretianski 907e705c121SKalle Valo if (sta) { 908e705c121SKalle Valo if (iwl_mvm_defer_tx(mvm, sta, skb)) 909e705c121SKalle Valo return; 910e705c121SKalle Valo if (iwl_mvm_tx_skb(mvm, skb, sta)) 911e705c121SKalle Valo goto drop; 912e705c121SKalle Valo return; 913e705c121SKalle Valo } 914e705c121SKalle Valo 915e705c121SKalle Valo if (iwl_mvm_tx_skb_non_sta(mvm, skb)) 916e705c121SKalle Valo goto drop; 917e705c121SKalle Valo return; 918e705c121SKalle Valo drop: 919e705c121SKalle Valo ieee80211_free_txskb(hw, skb); 920e705c121SKalle Valo } 921e705c121SKalle Valo 922cfbc6c4cSSara Sharon void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq) 923e705c121SKalle Valo { 924cfbc6c4cSSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 925cfbc6c4cSSara Sharon struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 926cfbc6c4cSSara Sharon struct sk_buff *skb = NULL; 927cfbc6c4cSSara Sharon 928fba8248eSSara Sharon /* 929fba8248eSSara Sharon * No need for threads to be pending here, they can leave the first 930fba8248eSSara Sharon * taker all the work. 931fba8248eSSara Sharon * 932fba8248eSSara Sharon * mvmtxq->tx_request logic: 933fba8248eSSara Sharon * 934fba8248eSSara Sharon * If 0, no one is currently TXing, set to 1 to indicate current thread 935fba8248eSSara Sharon * will now start TX and other threads should quit. 936fba8248eSSara Sharon * 937fba8248eSSara Sharon * If 1, another thread is currently TXing, set to 2 to indicate to 938fba8248eSSara Sharon * that thread that there was another request. Since that request may 939fba8248eSSara Sharon * have raced with the check whether the queue is empty, the TXing 940fba8248eSSara Sharon * thread should check the queue's status one more time before leaving. 941fba8248eSSara Sharon * This check is done in order to not leave any TX hanging in the queue 942fba8248eSSara Sharon * until the next TX invocation (which may not even happen). 943fba8248eSSara Sharon * 944fba8248eSSara Sharon * If 2, another thread is currently TXing, and it will already double 945fba8248eSSara Sharon * check the queue, so do nothing. 946fba8248eSSara Sharon */ 947fba8248eSSara Sharon if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2)) 948fba8248eSSara Sharon return; 949cfbc6c4cSSara Sharon 950cfbc6c4cSSara Sharon rcu_read_lock(); 951fba8248eSSara Sharon do { 952cfbc6c4cSSara Sharon while (likely(!mvmtxq->stopped && 953cfbc6c4cSSara Sharon (mvm->trans->system_pm_mode == 954cfbc6c4cSSara Sharon IWL_PLAT_PM_MODE_DISABLED))) { 955cfbc6c4cSSara Sharon skb = ieee80211_tx_dequeue(hw, txq); 956cfbc6c4cSSara Sharon 957f50d693bSSara Sharon if (!skb) { 958f50d693bSSara Sharon if (txq->sta) 959f50d693bSSara Sharon IWL_DEBUG_TX(mvm, 960f50d693bSSara Sharon "TXQ of sta %pM tid %d is now empty\n", 961f50d693bSSara Sharon txq->sta->addr, 962f50d693bSSara Sharon txq->tid); 963cfbc6c4cSSara Sharon break; 964f50d693bSSara Sharon } 965cfbc6c4cSSara Sharon 966cfbc6c4cSSara Sharon if (!txq->sta) 967cfbc6c4cSSara Sharon iwl_mvm_tx_skb_non_sta(mvm, skb); 968cfbc6c4cSSara Sharon else 969cfbc6c4cSSara Sharon iwl_mvm_tx_skb(mvm, skb, txq->sta); 970cfbc6c4cSSara Sharon } 971fba8248eSSara Sharon } while (atomic_dec_return(&mvmtxq->tx_request)); 972cfbc6c4cSSara Sharon rcu_read_unlock(); 973e705c121SKalle Valo } 974e705c121SKalle Valo 975cfbc6c4cSSara Sharon static void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw, 976cfbc6c4cSSara Sharon struct ieee80211_txq *txq) 977e705c121SKalle Valo { 978cfbc6c4cSSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 979cfbc6c4cSSara Sharon struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 980e705c121SKalle Valo 981cfbc6c4cSSara Sharon /* 982cfbc6c4cSSara Sharon * Please note that racing is handled very carefully here: 983cfbc6c4cSSara Sharon * mvmtxq->txq_id is updated during allocation, and mvmtxq->list is 984cfbc6c4cSSara Sharon * deleted afterwards. 985cfbc6c4cSSara Sharon * This means that if: 986cfbc6c4cSSara Sharon * mvmtxq->txq_id != INVALID_QUEUE && list_empty(&mvmtxq->list): 987cfbc6c4cSSara Sharon * queue is allocated and we can TX. 988cfbc6c4cSSara Sharon * mvmtxq->txq_id != INVALID_QUEUE && !list_empty(&mvmtxq->list): 989cfbc6c4cSSara Sharon * a race, should defer the frame. 990cfbc6c4cSSara Sharon * mvmtxq->txq_id == INVALID_QUEUE && list_empty(&mvmtxq->list): 991cfbc6c4cSSara Sharon * need to allocate the queue and defer the frame. 992cfbc6c4cSSara Sharon * mvmtxq->txq_id == INVALID_QUEUE && !list_empty(&mvmtxq->list): 993cfbc6c4cSSara Sharon * queue is already scheduled for allocation, no need to allocate, 994cfbc6c4cSSara Sharon * should defer the frame. 995cfbc6c4cSSara Sharon */ 996cfbc6c4cSSara Sharon 997cfbc6c4cSSara Sharon /* If the queue is allocated TX and return. */ 998cfbc6c4cSSara Sharon if (!txq->sta || mvmtxq->txq_id != IWL_MVM_INVALID_QUEUE) { 999cfbc6c4cSSara Sharon /* 1000cfbc6c4cSSara Sharon * Check that list is empty to avoid a race where txq_id is 1001cfbc6c4cSSara Sharon * already updated, but the queue allocation work wasn't 1002cfbc6c4cSSara Sharon * finished 1003cfbc6c4cSSara Sharon */ 1004cfbc6c4cSSara Sharon if (unlikely(txq->sta && !list_empty(&mvmtxq->list))) 1005cfbc6c4cSSara Sharon return; 1006cfbc6c4cSSara Sharon 1007cfbc6c4cSSara Sharon iwl_mvm_mac_itxq_xmit(hw, txq); 1008cfbc6c4cSSara Sharon return; 1009cfbc6c4cSSara Sharon } 1010cfbc6c4cSSara Sharon 1011cfbc6c4cSSara Sharon /* The list is being deleted only after the queue is fully allocated. */ 1012cfbc6c4cSSara Sharon if (!list_empty(&mvmtxq->list)) 1013cfbc6c4cSSara Sharon return; 1014cfbc6c4cSSara Sharon 1015cfbc6c4cSSara Sharon list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs); 1016cfbc6c4cSSara Sharon schedule_work(&mvm->add_stream_wk); 1017e705c121SKalle Valo } 1018e705c121SKalle Valo 1019e705c121SKalle Valo #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ 1020e705c121SKalle Valo do { \ 1021e705c121SKalle Valo if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ 1022e705c121SKalle Valo break; \ 10237174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ 1024e705c121SKalle Valo } while (0) 1025e705c121SKalle Valo 1026e705c121SKalle Valo static void 1027e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1028e705c121SKalle Valo struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, 1029e705c121SKalle Valo enum ieee80211_ampdu_mlme_action action) 1030e705c121SKalle Valo { 1031e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 1032e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 1033e705c121SKalle Valo 10346c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 10356c042d75SSara Sharon FW_DBG_TRIGGER_BA); 10366c042d75SSara Sharon if (!trig) 1037e705c121SKalle Valo return; 1038e705c121SKalle Valo 1039e705c121SKalle Valo ba_trig = (void *)trig->data; 1040e705c121SKalle Valo 1041e705c121SKalle Valo switch (action) { 1042e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: { 1043e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 1044e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 1045e705c121SKalle Valo 1046e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, 1047e705c121SKalle Valo "TX AGG START: MAC %pM tid %d ssn %d\n", 1048e705c121SKalle Valo sta->addr, tid, tid_data->ssn); 1049e705c121SKalle Valo break; 1050e705c121SKalle Valo } 1051e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 1052e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, 1053e705c121SKalle Valo "TX AGG STOP: MAC %pM tid %d\n", 1054e705c121SKalle Valo sta->addr, tid); 1055e705c121SKalle Valo break; 1056e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 1057e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, 1058e705c121SKalle Valo "RX AGG START: MAC %pM tid %d ssn %d\n", 1059e705c121SKalle Valo sta->addr, tid, rx_ba_ssn); 1060e705c121SKalle Valo break; 1061e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 1062e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, 1063e705c121SKalle Valo "RX AGG STOP: MAC %pM tid %d\n", 1064e705c121SKalle Valo sta->addr, tid); 1065e705c121SKalle Valo break; 1066e705c121SKalle Valo default: 1067e705c121SKalle Valo break; 1068e705c121SKalle Valo } 1069e705c121SKalle Valo } 1070e705c121SKalle Valo 1071e705c121SKalle Valo static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, 1072e705c121SKalle Valo struct ieee80211_vif *vif, 107350ea05efSSara Sharon struct ieee80211_ampdu_params *params) 1074e705c121SKalle Valo { 1075e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1076e705c121SKalle Valo int ret; 1077e705c121SKalle Valo bool tx_agg_ref = false; 107850ea05efSSara Sharon struct ieee80211_sta *sta = params->sta; 107950ea05efSSara Sharon enum ieee80211_ampdu_mlme_action action = params->action; 108050ea05efSSara Sharon u16 tid = params->tid; 108150ea05efSSara Sharon u16 *ssn = ¶ms->ssn; 1082514c3069SLuca Coelho u16 buf_size = params->buf_size; 1083bb81bb68SEmmanuel Grumbach bool amsdu = params->amsdu; 108410b2b201SSara Sharon u16 timeout = params->timeout; 1085e705c121SKalle Valo 1086e705c121SKalle Valo IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", 1087e705c121SKalle Valo sta->addr, tid, action); 1088e705c121SKalle Valo 1089e705c121SKalle Valo if (!(mvm->nvm_data->sku_cap_11n_enable)) 1090e705c121SKalle Valo return -EACCES; 1091e705c121SKalle Valo 1092e705c121SKalle Valo /* return from D0i3 before starting a new Tx aggregation */ 1093e705c121SKalle Valo switch (action) { 1094e705c121SKalle Valo case IEEE80211_AMPDU_TX_START: 1095e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 1096e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH: 1097e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1098e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: 1099e705c121SKalle Valo /* 1100e705c121SKalle Valo * for tx start, wait synchronously until D0i3 exit to 1101e705c121SKalle Valo * get the correct sequence number for the tid. 1102e705c121SKalle Valo * additionally, some other ampdu actions use direct 1103e705c121SKalle Valo * target access, which is not handled automatically 1104e705c121SKalle Valo * by the trans layer (unlike commands), so wait for 1105e705c121SKalle Valo * d0i3 exit in these cases as well. 1106e705c121SKalle Valo */ 1107e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG); 1108e705c121SKalle Valo if (ret) 1109e705c121SKalle Valo return ret; 1110e705c121SKalle Valo 1111e705c121SKalle Valo tx_agg_ref = true; 1112e705c121SKalle Valo break; 1113e705c121SKalle Valo default: 1114e705c121SKalle Valo break; 1115e705c121SKalle Valo } 1116e705c121SKalle Valo 1117e705c121SKalle Valo mutex_lock(&mvm->mutex); 1118e705c121SKalle Valo 1119e705c121SKalle Valo switch (action) { 1120e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 1121b0ffe455SJohannes Berg if (iwl_mvm_vif_from_mac80211(vif)->ap_sta_id == 1122b0ffe455SJohannes Berg iwl_mvm_sta_from_mac80211(sta)->sta_id) { 1123b0ffe455SJohannes Berg struct iwl_mvm_vif *mvmvif; 1124b0ffe455SJohannes Berg u16 macid = iwl_mvm_vif_from_mac80211(vif)->id; 1125b0ffe455SJohannes Berg struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid]; 1126b0ffe455SJohannes Berg 1127b0ffe455SJohannes Berg mdata->opened_rx_ba_sessions = true; 1128b0ffe455SJohannes Berg mvmvif = iwl_mvm_vif_from_mac80211(vif); 1129b0ffe455SJohannes Berg cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk); 1130b0ffe455SJohannes Berg } 1131e78da25eSJohannes Berg if (!iwl_enable_rx_ampdu()) { 1132e705c121SKalle Valo ret = -EINVAL; 1133e705c121SKalle Valo break; 1134e705c121SKalle Valo } 113510b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, 113610b2b201SSara Sharon timeout); 1137e705c121SKalle Valo break; 1138e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 113910b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, 114010b2b201SSara Sharon timeout); 1141e705c121SKalle Valo break; 1142e705c121SKalle Valo case IEEE80211_AMPDU_TX_START: 1143e78da25eSJohannes Berg if (!iwl_enable_tx_ampdu()) { 1144e705c121SKalle Valo ret = -EINVAL; 1145e705c121SKalle Valo break; 1146e705c121SKalle Valo } 1147e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); 1148e705c121SKalle Valo break; 1149e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 1150e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); 1151e705c121SKalle Valo break; 1152e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH: 1153e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1154e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); 1155e705c121SKalle Valo break; 1156e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: 1157bb81bb68SEmmanuel Grumbach ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, 1158bb81bb68SEmmanuel Grumbach buf_size, amsdu); 1159e705c121SKalle Valo break; 1160e705c121SKalle Valo default: 1161e705c121SKalle Valo WARN_ON_ONCE(1); 1162e705c121SKalle Valo ret = -EINVAL; 1163e705c121SKalle Valo break; 1164e705c121SKalle Valo } 1165e705c121SKalle Valo 1166e705c121SKalle Valo if (!ret) { 1167e705c121SKalle Valo u16 rx_ba_ssn = 0; 1168e705c121SKalle Valo 1169e705c121SKalle Valo if (action == IEEE80211_AMPDU_RX_START) 1170e705c121SKalle Valo rx_ba_ssn = *ssn; 1171e705c121SKalle Valo 1172e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, 1173e705c121SKalle Valo rx_ba_ssn, action); 1174e705c121SKalle Valo } 1175e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1176e705c121SKalle Valo 1177e705c121SKalle Valo /* 1178e705c121SKalle Valo * If the tid is marked as started, we won't use it for offloaded 1179e705c121SKalle Valo * traffic on the next D0i3 entry. It's safe to unref. 1180e705c121SKalle Valo */ 1181e705c121SKalle Valo if (tx_agg_ref) 1182e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG); 1183e705c121SKalle Valo 1184e705c121SKalle Valo return ret; 1185e705c121SKalle Valo } 1186e705c121SKalle Valo 1187e705c121SKalle Valo static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, 1188e705c121SKalle Valo struct ieee80211_vif *vif) 1189e705c121SKalle Valo { 1190e705c121SKalle Valo struct iwl_mvm *mvm = data; 1191e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1192e705c121SKalle Valo 1193e705c121SKalle Valo mvmvif->uploaded = false; 11940ae98812SSara Sharon mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; 1195e705c121SKalle Valo 1196e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 1197e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); 1198e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 1199e705c121SKalle Valo 1200e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1201e705c121SKalle Valo memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data)); 120286e177d8SGregory Greenman memset(&mvmvif->probe_resp_data, 0, sizeof(mvmvif->probe_resp_data)); 1203e705c121SKalle Valo } 1204e705c121SKalle Valo 1205e705c121SKalle Valo static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) 1206e705c121SKalle Valo { 1207e705c121SKalle Valo /* cleanup all stale references (scan, roc), but keep the 1208e705c121SKalle Valo * ucode_down ref until reconfig is complete 1209e705c121SKalle Valo */ 1210e705c121SKalle Valo iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN); 1211e705c121SKalle Valo 1212fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1213e705c121SKalle Valo 12149bf13beeSJohannes Berg mvm->cur_aid = 0; 12159bf13beeSJohannes Berg 1216e705c121SKalle Valo mvm->scan_status = 0; 1217e705c121SKalle Valo mvm->ps_disabled = false; 1218b3500b47SEmmanuel Grumbach mvm->rfkill_safe_init_done = false; 1219e705c121SKalle Valo 1220e705c121SKalle Valo /* just in case one was running */ 1221305d236eSEliad Peller iwl_mvm_cleanup_roc_te(mvm); 1222e705c121SKalle Valo ieee80211_remain_on_channel_expired(mvm->hw); 1223e705c121SKalle Valo 1224fc36ffdaSJohannes Berg iwl_mvm_ftm_restart(mvm); 1225fc36ffdaSJohannes Berg 1226e705c121SKalle Valo /* 1227e705c121SKalle Valo * cleanup all interfaces, even inactive ones, as some might have 1228e705c121SKalle Valo * gone down during the HW restart 1229e705c121SKalle Valo */ 1230e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); 1231e705c121SKalle Valo 1232e705c121SKalle Valo mvm->p2p_device_vif = NULL; 12330ae98812SSara Sharon mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA; 1234e705c121SKalle Valo 1235e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 12369c3deeb5SLuca Coelho memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); 1237e705c121SKalle Valo memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); 1238e705c121SKalle Valo memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); 1239e705c121SKalle Valo 1240e705c121SKalle Valo ieee80211_wake_queues(mvm->hw); 1241e705c121SKalle Valo 1242e705c121SKalle Valo /* clear any stale d0i3 state */ 1243e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); 1244e705c121SKalle Valo 1245e705c121SKalle Valo mvm->vif_count = 0; 1246e705c121SKalle Valo mvm->rx_ba_sessions = 0; 12477174beb6SJohannes Berg mvm->fwrt.dump.conf = FW_DBG_INVALID; 1248baf41bc3SShaul Triebitz mvm->monitor_on = false; 1249e705c121SKalle Valo 1250e705c121SKalle Valo /* keep statistics ticking */ 1251e705c121SKalle Valo iwl_mvm_accu_radio_stats(mvm); 1252e705c121SKalle Valo } 1253e705c121SKalle Valo 1254e705c121SKalle Valo int __iwl_mvm_mac_start(struct iwl_mvm *mvm) 1255e705c121SKalle Valo { 1256e705c121SKalle Valo int ret; 1257e705c121SKalle Valo 1258e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1259e705c121SKalle Valo 1260bf8b286fSJohannes Berg if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { 1261bf8b286fSJohannes Berg /* 1262bf8b286fSJohannes Berg * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART 1263bf8b286fSJohannes Berg * so later code will - from now on - see that we're doing it. 1264bf8b286fSJohannes Berg */ 1265bf8b286fSJohannes Berg set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1266bf8b286fSJohannes Berg clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1267e705c121SKalle Valo /* Clean up some internal and mac80211 state on restart */ 1268e705c121SKalle Valo iwl_mvm_restart_cleanup(mvm); 1269a42b2af3SLuca Coelho } else { 1270a42b2af3SLuca Coelho /* Hold the reference to prevent runtime suspend while 1271a42b2af3SLuca Coelho * the start procedure runs. It's a bit confusing 1272a42b2af3SLuca Coelho * that the UCODE_DOWN reference is taken, but it just 1273a42b2af3SLuca Coelho * means "UCODE is not UP yet". ( TODO: rename this 1274a42b2af3SLuca Coelho * reference). 1275a42b2af3SLuca Coelho */ 1276a42b2af3SLuca Coelho iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); 1277a42b2af3SLuca Coelho } 1278e705c121SKalle Valo ret = iwl_mvm_up(mvm); 1279e705c121SKalle Valo 1280da2eb669SSara Sharon iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_POST_INIT); 1281da2eb669SSara Sharon 1282e705c121SKalle Valo if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1283e705c121SKalle Valo /* Something went wrong - we need to finish some cleanup 1284e705c121SKalle Valo * that normally iwl_mvm_mac_restart_complete() below 1285e705c121SKalle Valo * would do. 1286e705c121SKalle Valo */ 1287e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1288a75b9b33SLuca Coelho #ifdef CONFIG_PM 1289e705c121SKalle Valo iwl_mvm_d0i3_enable_tx(mvm, NULL); 1290a75b9b33SLuca Coelho #endif 1291e705c121SKalle Valo } 1292e705c121SKalle Valo 1293e705c121SKalle Valo return ret; 1294e705c121SKalle Valo } 1295e705c121SKalle Valo 1296e705c121SKalle Valo static int iwl_mvm_mac_start(struct ieee80211_hw *hw) 1297e705c121SKalle Valo { 1298e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1299e705c121SKalle Valo int ret; 1300e705c121SKalle Valo 1301e705c121SKalle Valo /* Some hw restart cleanups must not hold the mutex */ 1302e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1303e705c121SKalle Valo /* 1304e705c121SKalle Valo * Make sure we are out of d0i3. This is needed 1305e705c121SKalle Valo * to make sure the reference accounting is correct 1306e705c121SKalle Valo * (and there is no stale d0i3_exit_work). 1307e705c121SKalle Valo */ 1308e705c121SKalle Valo wait_event_timeout(mvm->d0i3_exit_waitq, 1309e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_IN_D0I3, 1310e705c121SKalle Valo &mvm->status), 1311e705c121SKalle Valo HZ); 1312e705c121SKalle Valo } 1313e705c121SKalle Valo 1314e705c121SKalle Valo mutex_lock(&mvm->mutex); 1315e705c121SKalle Valo ret = __iwl_mvm_mac_start(mvm); 1316e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1317e705c121SKalle Valo 1318e705c121SKalle Valo return ret; 1319e705c121SKalle Valo } 1320e705c121SKalle Valo 1321e705c121SKalle Valo static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 1322e705c121SKalle Valo { 1323e705c121SKalle Valo int ret; 1324e705c121SKalle Valo 1325e705c121SKalle Valo mutex_lock(&mvm->mutex); 1326e705c121SKalle Valo 1327e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1328a75b9b33SLuca Coelho #ifdef CONFIG_PM 1329e705c121SKalle Valo iwl_mvm_d0i3_enable_tx(mvm, NULL); 1330a75b9b33SLuca Coelho #endif 1331e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 1332e705c121SKalle Valo if (ret) 1333e705c121SKalle Valo IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", 1334e705c121SKalle Valo ret); 1335e705c121SKalle Valo 1336e705c121SKalle Valo /* allow transport/FW low power modes */ 1337e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN); 1338e705c121SKalle Valo 1339f130bb75SMordechay Goodstein iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY); 1340f130bb75SMordechay Goodstein 1341e705c121SKalle Valo /* 1342e705c121SKalle Valo * If we have TDLS peers, remove them. We don't know the last seqno/PN 1343e705c121SKalle Valo * of packets the FW sent out, so we must reconnect. 1344e705c121SKalle Valo */ 1345e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 1346e705c121SKalle Valo 1347e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1348e705c121SKalle Valo } 1349e705c121SKalle Valo 1350e705c121SKalle Valo static void iwl_mvm_resume_complete(struct iwl_mvm *mvm) 1351e705c121SKalle Valo { 1352b7282643SLuca Coelho if (iwl_mvm_is_d0i3_supported(mvm) && 1353b7282643SLuca Coelho iwl_mvm_enter_d0i3_on_suspend(mvm)) 1354b7282643SLuca Coelho WARN_ONCE(!wait_event_timeout(mvm->d0i3_exit_waitq, 1355e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_IN_D0I3, 1356e705c121SKalle Valo &mvm->status), 1357b7282643SLuca Coelho HZ), 1358b7282643SLuca Coelho "D0i3 exit on resume timed out\n"); 1359e705c121SKalle Valo } 1360e705c121SKalle Valo 1361e705c121SKalle Valo static void 1362e705c121SKalle Valo iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, 1363e705c121SKalle Valo enum ieee80211_reconfig_type reconfig_type) 1364e705c121SKalle Valo { 1365e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1366e705c121SKalle Valo 1367e705c121SKalle Valo switch (reconfig_type) { 1368e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_RESTART: 1369e705c121SKalle Valo iwl_mvm_restart_complete(mvm); 1370e705c121SKalle Valo break; 1371e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_SUSPEND: 1372e705c121SKalle Valo iwl_mvm_resume_complete(mvm); 1373e705c121SKalle Valo break; 1374e705c121SKalle Valo } 1375e705c121SKalle Valo } 1376e705c121SKalle Valo 1377e705c121SKalle Valo void __iwl_mvm_mac_stop(struct iwl_mvm *mvm) 1378e705c121SKalle Valo { 1379e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1380e705c121SKalle Valo 1381e705c121SKalle Valo /* firmware counters are obviously reset now, but we shouldn't 1382e705c121SKalle Valo * partially track so also clear the fw_reset_accu counters. 1383e705c121SKalle Valo */ 1384e705c121SKalle Valo memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); 1385e705c121SKalle Valo 1386e705c121SKalle Valo /* async_handlers_wk is now blocked */ 1387e705c121SKalle Valo 1388e705c121SKalle Valo /* 1389e705c121SKalle Valo * The work item could be running or queued if the 1390e705c121SKalle Valo * ROC time event stops just as we get here. 1391e705c121SKalle Valo */ 1392e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 1393e705c121SKalle Valo 1394fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1395e705c121SKalle Valo 1396e705c121SKalle Valo iwl_mvm_async_handlers_purge(mvm); 1397e705c121SKalle Valo /* async_handlers_list is empty and will stay empty: HW is stopped */ 1398e705c121SKalle Valo 1399e705c121SKalle Valo /* the fw is stopped, the aux sta is dead: clean up driver state */ 1400e705c121SKalle Valo iwl_mvm_del_aux_sta(mvm); 1401e705c121SKalle Valo 1402e705c121SKalle Valo /* 1403155f7e04SEmmanuel Grumbach * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the 1404155f7e04SEmmanuel Grumbach * hw (as restart_complete() won't be called in this case) and mac80211 1405155f7e04SEmmanuel Grumbach * won't execute the restart. 1406e705c121SKalle Valo * But make sure to cleanup interfaces that have gone down before/during 1407e705c121SKalle Valo * HW restart was requested. 1408e705c121SKalle Valo */ 1409155f7e04SEmmanuel Grumbach if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || 1410155f7e04SEmmanuel Grumbach test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1411155f7e04SEmmanuel Grumbach &mvm->status)) 1412e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, 1413e705c121SKalle Valo iwl_mvm_cleanup_iterator, mvm); 1414e705c121SKalle Valo 1415e705c121SKalle Valo /* We shouldn't have any UIDs still set. Loop over all the UIDs to 1416e705c121SKalle Valo * make sure there's nothing left there and warn if any is found. 1417e705c121SKalle Valo */ 1418e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1419e705c121SKalle Valo int i; 1420e705c121SKalle Valo 1421e705c121SKalle Valo for (i = 0; i < mvm->max_scans; i++) { 1422e705c121SKalle Valo if (WARN_ONCE(mvm->scan_uid_status[i], 1423e705c121SKalle Valo "UMAC scan UID %d status was not cleaned\n", 1424e705c121SKalle Valo i)) 1425e705c121SKalle Valo mvm->scan_uid_status[i] = 0; 1426e705c121SKalle Valo } 1427e705c121SKalle Valo } 1428e705c121SKalle Valo } 1429e705c121SKalle Valo 1430e705c121SKalle Valo static void iwl_mvm_mac_stop(struct ieee80211_hw *hw) 1431e705c121SKalle Valo { 1432e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1433e705c121SKalle Valo 1434e705c121SKalle Valo flush_work(&mvm->d0i3_exit_work); 1435e705c121SKalle Valo flush_work(&mvm->async_handlers_wk); 143624afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 1437771147b0SJohannes Berg 1438771147b0SJohannes Berg /* 1439771147b0SJohannes Berg * Lock and clear the firmware running bit here already, so that 1440771147b0SJohannes Berg * new commands coming in elsewhere, e.g. from debugfs, will not 1441771147b0SJohannes Berg * be able to proceed. This is important here because one of those 14427174beb6SJohannes Berg * debugfs files causes the firmware dump to be triggered, and if we 1443771147b0SJohannes Berg * don't stop debugfs accesses before canceling that it could be 1444771147b0SJohannes Berg * retriggered after we flush it but before we've cleared the bit. 1445771147b0SJohannes Berg */ 1446771147b0SJohannes Berg clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1447771147b0SJohannes Berg 1448c7ab138eSShahar S Matityahu iwl_fw_cancel_dumps(&mvm->fwrt); 1449d3a108a4SAndrei Otcheretianski cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); 145069e04642SLuca Coelho cancel_delayed_work_sync(&mvm->scan_timeout_dwork); 14517174beb6SJohannes Berg iwl_fw_free_dump_desc(&mvm->fwrt); 1452e705c121SKalle Valo 1453e705c121SKalle Valo mutex_lock(&mvm->mutex); 1454e705c121SKalle Valo __iwl_mvm_mac_stop(mvm); 1455e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1456e705c121SKalle Valo 1457e705c121SKalle Valo /* 1458e705c121SKalle Valo * The worker might have been waiting for the mutex, let it run and 1459e705c121SKalle Valo * discover that its list is now empty. 1460e705c121SKalle Valo */ 1461e705c121SKalle Valo cancel_work_sync(&mvm->async_handlers_wk); 1462e705c121SKalle Valo } 1463e705c121SKalle Valo 1464e705c121SKalle Valo static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) 1465e705c121SKalle Valo { 1466e705c121SKalle Valo u16 i; 1467e705c121SKalle Valo 1468e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1469e705c121SKalle Valo 1470e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) 1471e705c121SKalle Valo if (!mvm->phy_ctxts[i].ref) 1472e705c121SKalle Valo return &mvm->phy_ctxts[i]; 1473e705c121SKalle Valo 1474e705c121SKalle Valo IWL_ERR(mvm, "No available PHY context\n"); 1475e705c121SKalle Valo return NULL; 1476e705c121SKalle Valo } 1477e705c121SKalle Valo 1478e705c121SKalle Valo static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1479e705c121SKalle Valo s16 tx_power) 1480e705c121SKalle Valo { 14810791c2fcSHaim Dreyfuss int len; 14820791c2fcSHaim Dreyfuss union { 14830791c2fcSHaim Dreyfuss struct iwl_dev_tx_power_cmd v5; 14840791c2fcSHaim Dreyfuss struct iwl_dev_tx_power_cmd_v4 v4; 14850791c2fcSHaim Dreyfuss } cmd = { 14860791c2fcSHaim Dreyfuss .v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), 14870791c2fcSHaim Dreyfuss .v5.v3.mac_context_id = 1488e705c121SKalle Valo cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), 14890791c2fcSHaim Dreyfuss .v5.v3.pwr_restriction = cpu_to_le16(8 * tx_power), 1490e705c121SKalle Valo }; 1491e705c121SKalle Valo 1492e705c121SKalle Valo if (tx_power == IWL_DEFAULT_MAX_TX_POWER) 14930791c2fcSHaim Dreyfuss cmd.v5.v3.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); 1494e705c121SKalle Valo 14950791c2fcSHaim Dreyfuss if (fw_has_api(&mvm->fw->ucode_capa, 14960791c2fcSHaim Dreyfuss IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 14970791c2fcSHaim Dreyfuss len = sizeof(cmd.v5); 14980791c2fcSHaim Dreyfuss else if (fw_has_capa(&mvm->fw->ucode_capa, 14990791c2fcSHaim Dreyfuss IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 15000791c2fcSHaim Dreyfuss len = sizeof(cmd.v4); 15010791c2fcSHaim Dreyfuss else 15020791c2fcSHaim Dreyfuss len = sizeof(cmd.v4.v3); 1503e705c121SKalle Valo 1504e705c121SKalle Valo return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); 1505e705c121SKalle Valo } 1506e705c121SKalle Valo 1507f6780614SSara Sharon static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 1508f6780614SSara Sharon struct ieee80211_vif *vif) 1509f6780614SSara Sharon { 1510f6780614SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1511f6780614SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1512f6780614SSara Sharon int ret; 1513f6780614SSara Sharon 1514f6780614SSara Sharon mutex_lock(&mvm->mutex); 1515f6780614SSara Sharon 1516f6780614SSara Sharon if (mvmvif->csa_failed) { 1517f6780614SSara Sharon mvmvif->csa_failed = false; 1518f6780614SSara Sharon ret = -EIO; 1519f6780614SSara Sharon goto out_unlock; 1520f6780614SSara Sharon } 1521f6780614SSara Sharon 1522f6780614SSara Sharon if (vif->type == NL80211_IFTYPE_STATION) { 1523f6780614SSara Sharon struct iwl_mvm_sta *mvmsta; 1524f6780614SSara Sharon 1525f6780614SSara Sharon mvmvif->csa_bcn_pending = false; 1526f6780614SSara Sharon mvmsta = iwl_mvm_sta_from_staid_protected(mvm, 1527f6780614SSara Sharon mvmvif->ap_sta_id); 1528f6780614SSara Sharon 1529f6780614SSara Sharon if (WARN_ON(!mvmsta)) { 1530f6780614SSara Sharon ret = -EIO; 1531f6780614SSara Sharon goto out_unlock; 1532f6780614SSara Sharon } 1533f6780614SSara Sharon 1534f6780614SSara Sharon iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 1535f6780614SSara Sharon 1536f6780614SSara Sharon iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1537f6780614SSara Sharon 1538f6780614SSara Sharon ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 1539f6780614SSara Sharon if (ret) 1540f6780614SSara Sharon goto out_unlock; 1541f6780614SSara Sharon 1542f6780614SSara Sharon iwl_mvm_stop_session_protection(mvm, vif); 1543f6780614SSara Sharon } 1544f6780614SSara Sharon 1545f6780614SSara Sharon mvmvif->ps_disabled = false; 1546f6780614SSara Sharon 1547f6780614SSara Sharon ret = iwl_mvm_power_update_ps(mvm); 1548f6780614SSara Sharon 1549f6780614SSara Sharon out_unlock: 1550f6780614SSara Sharon mutex_unlock(&mvm->mutex); 1551f6780614SSara Sharon 1552f6780614SSara Sharon return ret; 1553f6780614SSara Sharon } 1554f6780614SSara Sharon 1555f6780614SSara Sharon static void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw, 1556f6780614SSara Sharon struct ieee80211_vif *vif) 1557f6780614SSara Sharon { 1558f6780614SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1559f6780614SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1560f6780614SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 1561f6780614SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 1562f6780614SSara Sharon mvmvif->color)), 1563f6780614SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE), 1564f6780614SSara Sharon }; 1565f6780614SSara Sharon 1566f6780614SSara Sharon IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id); 1567f6780614SSara Sharon 1568f6780614SSara Sharon mutex_lock(&mvm->mutex); 1569f6780614SSara Sharon WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 1570f6780614SSara Sharon WIDE_ID(MAC_CONF_GROUP, 1571f6780614SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 1572f6780614SSara Sharon 0, sizeof(cmd), &cmd)); 1573f6780614SSara Sharon mutex_unlock(&mvm->mutex); 1574f6780614SSara Sharon 1575f6780614SSara Sharon WARN_ON(iwl_mvm_post_channel_switch(hw, vif)); 1576f6780614SSara Sharon } 1577f6780614SSara Sharon 1578f6780614SSara Sharon static void iwl_mvm_channel_switch_disconnect_wk(struct work_struct *wk) 1579f6780614SSara Sharon { 1580f6780614SSara Sharon struct iwl_mvm *mvm; 1581f6780614SSara Sharon struct iwl_mvm_vif *mvmvif; 1582f6780614SSara Sharon struct ieee80211_vif *vif; 1583f6780614SSara Sharon 1584f6780614SSara Sharon mvmvif = container_of(wk, struct iwl_mvm_vif, csa_work.work); 1585f6780614SSara Sharon vif = container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1586f6780614SSara Sharon mvm = mvmvif->mvm; 1587f6780614SSara Sharon 1588f6780614SSara Sharon iwl_mvm_abort_channel_switch(mvm->hw, vif); 1589f6780614SSara Sharon ieee80211_chswitch_done(vif, false); 1590f6780614SSara Sharon } 1591f6780614SSara Sharon 1592e705c121SKalle Valo static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 1593e705c121SKalle Valo struct ieee80211_vif *vif) 1594e705c121SKalle Valo { 1595e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1596e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1597e705c121SKalle Valo int ret; 1598e705c121SKalle Valo 1599e705c121SKalle Valo mvmvif->mvm = mvm; 160086e177d8SGregory Greenman RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL); 1601e705c121SKalle Valo 1602e705c121SKalle Valo /* 1603e705c121SKalle Valo * make sure D0i3 exit is completed, otherwise a target access 1604e705c121SKalle Valo * during tx queue configuration could be done when still in 1605e705c121SKalle Valo * D0i3 state. 1606e705c121SKalle Valo */ 1607e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF); 1608e705c121SKalle Valo if (ret) 1609e705c121SKalle Valo return ret; 1610e705c121SKalle Valo 1611e705c121SKalle Valo /* 1612e705c121SKalle Valo * Not much to do here. The stack will not allow interface 1613e705c121SKalle Valo * types or combinations that we didn't advertise, so we 1614e705c121SKalle Valo * don't really have to check the types. 1615e705c121SKalle Valo */ 1616e705c121SKalle Valo 1617e705c121SKalle Valo mutex_lock(&mvm->mutex); 1618e705c121SKalle Valo 1619e705c121SKalle Valo /* make sure that beacon statistics don't go backwards with FW reset */ 1620e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1621e705c121SKalle Valo mvmvif->beacon_stats.accu_num_beacons += 1622e705c121SKalle Valo mvmvif->beacon_stats.num_beacons; 1623e705c121SKalle Valo 1624e705c121SKalle Valo /* Allocate resources for the MAC context, and add it to the fw */ 1625e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_init(mvm, vif); 1626e705c121SKalle Valo if (ret) 1627e705c121SKalle Valo goto out_unlock; 1628e705c121SKalle Valo 1629698478c4SSara Sharon rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); 1630698478c4SSara Sharon 1631e705c121SKalle Valo /* Counting number of interfaces is needed for legacy PM */ 1632e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_P2P_DEVICE) 1633e705c121SKalle Valo mvm->vif_count++; 1634e705c121SKalle Valo 1635e705c121SKalle Valo /* 1636e705c121SKalle Valo * The AP binding flow can be done only after the beacon 1637e705c121SKalle Valo * template is configured (which happens only in the mac80211 1638e705c121SKalle Valo * start_ap() flow), and adding the broadcast station can happen 1639e705c121SKalle Valo * only after the binding. 1640e705c121SKalle Valo * In addition, since modifying the MAC before adding a bcast 1641e705c121SKalle Valo * station is not allowed by the FW, delay the adding of MAC context to 1642e705c121SKalle Valo * the point where we can also add the bcast station. 1643e705c121SKalle Valo * In short: there's not much we can do at this point, other than 1644e705c121SKalle Valo * allocating resources :) 1645e705c121SKalle Valo */ 1646e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1647e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 1648e705c121SKalle Valo ret = iwl_mvm_alloc_bcast_sta(mvm, vif); 1649e705c121SKalle Valo if (ret) { 1650e705c121SKalle Valo IWL_ERR(mvm, "Failed to allocate bcast sta\n"); 1651e705c121SKalle Valo goto out_release; 1652e705c121SKalle Valo } 1653e705c121SKalle Valo 165426d6c16bSSara Sharon /* 165526d6c16bSSara Sharon * Only queue for this station is the mcast queue, 165626d6c16bSSara Sharon * which shouldn't be in TFD mask anyway 165726d6c16bSSara Sharon */ 165826d6c16bSSara Sharon ret = iwl_mvm_allocate_int_sta(mvm, &mvmvif->mcast_sta, 1659ced19f26SSara Sharon 0, vif->type, 1660ced19f26SSara Sharon IWL_STA_MULTICAST); 166126d6c16bSSara Sharon if (ret) 166226d6c16bSSara Sharon goto out_release; 166326d6c16bSSara Sharon 1664e705c121SKalle Valo iwl_mvm_vif_dbgfs_register(mvm, vif); 1665e705c121SKalle Valo goto out_unlock; 1666e705c121SKalle Valo } 1667e705c121SKalle Valo 1668e705c121SKalle Valo mvmvif->features |= hw->netdev_features; 1669e705c121SKalle Valo 1670e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 1671e705c121SKalle Valo if (ret) 1672e705c121SKalle Valo goto out_release; 1673e705c121SKalle Valo 1674e705c121SKalle Valo ret = iwl_mvm_power_update_mac(mvm); 1675e705c121SKalle Valo if (ret) 1676e705c121SKalle Valo goto out_remove_mac; 1677e705c121SKalle Valo 1678e705c121SKalle Valo /* beacon filtering */ 1679e705c121SKalle Valo ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 1680e705c121SKalle Valo if (ret) 1681e705c121SKalle Valo goto out_remove_mac; 1682e705c121SKalle Valo 1683e705c121SKalle Valo if (!mvm->bf_allowed_vif && 1684e705c121SKalle Valo vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { 1685e705c121SKalle Valo mvm->bf_allowed_vif = mvmvif; 1686e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 1687e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI; 1688e705c121SKalle Valo } 1689e705c121SKalle Valo 1690e705c121SKalle Valo /* 1691e705c121SKalle Valo * P2P_DEVICE interface does not have a channel context assigned to it, 1692e705c121SKalle Valo * so a dedicated PHY context is allocated to it and the corresponding 1693e705c121SKalle Valo * MAC context is bound to it at this stage. 1694e705c121SKalle Valo */ 1695e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1696e705c121SKalle Valo 1697e705c121SKalle Valo mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 1698e705c121SKalle Valo if (!mvmvif->phy_ctxt) { 1699e705c121SKalle Valo ret = -ENOSPC; 1700e705c121SKalle Valo goto out_free_bf; 1701e705c121SKalle Valo } 1702e705c121SKalle Valo 1703e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 1704e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 1705e705c121SKalle Valo if (ret) 1706e705c121SKalle Valo goto out_unref_phy; 1707e705c121SKalle Valo 1708d197358bSLuca Coelho ret = iwl_mvm_add_p2p_bcast_sta(mvm, vif); 1709e705c121SKalle Valo if (ret) 1710e705c121SKalle Valo goto out_unbind; 1711e705c121SKalle Valo 1712e705c121SKalle Valo /* Save a pointer to p2p device vif, so it can later be used to 1713e705c121SKalle Valo * update the p2p device MAC when a GO is started/stopped */ 1714e705c121SKalle Valo mvm->p2p_device_vif = vif; 1715e705c121SKalle Valo } 1716e705c121SKalle Valo 1717b0ffe455SJohannes Berg iwl_mvm_tcm_add_vif(mvm, vif); 1718f6780614SSara Sharon INIT_DELAYED_WORK(&mvmvif->csa_work, 1719f6780614SSara Sharon iwl_mvm_channel_switch_disconnect_wk); 1720b0ffe455SJohannes Berg 1721baf41bc3SShaul Triebitz if (vif->type == NL80211_IFTYPE_MONITOR) 1722baf41bc3SShaul Triebitz mvm->monitor_on = true; 1723baf41bc3SShaul Triebitz 1724e705c121SKalle Valo iwl_mvm_vif_dbgfs_register(mvm, vif); 1725e705c121SKalle Valo goto out_unlock; 1726e705c121SKalle Valo 1727e705c121SKalle Valo out_unbind: 1728e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1729e705c121SKalle Valo out_unref_phy: 1730e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 1731e705c121SKalle Valo out_free_bf: 1732e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1733e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1734e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1735e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1736e705c121SKalle Valo } 1737e705c121SKalle Valo out_remove_mac: 1738e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1739e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1740e705c121SKalle Valo out_release: 1741e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_P2P_DEVICE) 1742e705c121SKalle Valo mvm->vif_count--; 1743e705c121SKalle Valo out_unlock: 1744e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1745e705c121SKalle Valo 1746e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF); 1747e705c121SKalle Valo 1748e705c121SKalle Valo return ret; 1749e705c121SKalle Valo } 1750e705c121SKalle Valo 1751e705c121SKalle Valo static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1752e705c121SKalle Valo struct ieee80211_vif *vif) 1753e705c121SKalle Valo { 1754e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1755e705c121SKalle Valo /* 1756e705c121SKalle Valo * Flush the ROC worker which will flush the OFFCHANNEL queue. 1757e705c121SKalle Valo * We assume here that all the packets sent to the OFFCHANNEL 1758e705c121SKalle Valo * queue are sent in ROC session. 1759e705c121SKalle Valo */ 1760e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 1761e705c121SKalle Valo } 1762e705c121SKalle Valo } 1763e705c121SKalle Valo 1764e705c121SKalle Valo static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 1765e705c121SKalle Valo struct ieee80211_vif *vif) 1766e705c121SKalle Valo { 1767e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1768e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 176986e177d8SGregory Greenman struct iwl_probe_resp_data *probe_data; 1770e705c121SKalle Valo 1771e705c121SKalle Valo iwl_mvm_prepare_mac_removal(mvm, vif); 1772e705c121SKalle Valo 1773b0ffe455SJohannes Berg if (!(vif->type == NL80211_IFTYPE_AP || 1774b0ffe455SJohannes Berg vif->type == NL80211_IFTYPE_ADHOC)) 1775b0ffe455SJohannes Berg iwl_mvm_tcm_rm_vif(mvm, vif); 1776b0ffe455SJohannes Berg 1777e705c121SKalle Valo mutex_lock(&mvm->mutex); 1778e705c121SKalle Valo 177986e177d8SGregory Greenman probe_data = rcu_dereference_protected(mvmvif->probe_resp_data, 178086e177d8SGregory Greenman lockdep_is_held(&mvm->mutex)); 178186e177d8SGregory Greenman RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL); 178286e177d8SGregory Greenman if (probe_data) 178386e177d8SGregory Greenman kfree_rcu(probe_data, rcu_head); 178486e177d8SGregory Greenman 1785e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1786e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1787e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1788e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1789e705c121SKalle Valo } 1790e705c121SKalle Valo 1791b73f9a4aSJohannes Berg if (vif->bss_conf.ftm_responder) 1792b73f9a4aSJohannes Berg memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats)); 1793b73f9a4aSJohannes Berg 1794e705c121SKalle Valo iwl_mvm_vif_dbgfs_clean(mvm, vif); 1795e705c121SKalle Valo 1796e705c121SKalle Valo /* 1797e705c121SKalle Valo * For AP/GO interface, the tear down of the resources allocated to the 1798e705c121SKalle Valo * interface is be handled as part of the stop_ap flow. 1799e705c121SKalle Valo */ 1800e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1801e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 1802e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 1803e705c121SKalle Valo if (vif == mvm->noa_vif) { 1804e705c121SKalle Valo mvm->noa_vif = NULL; 1805e705c121SKalle Valo mvm->noa_duration = 0; 1806e705c121SKalle Valo } 1807e705c121SKalle Valo #endif 180826d6c16bSSara Sharon iwl_mvm_dealloc_int_sta(mvm, &mvmvif->mcast_sta); 1809e705c121SKalle Valo iwl_mvm_dealloc_bcast_sta(mvm, vif); 1810e705c121SKalle Valo goto out_release; 1811e705c121SKalle Valo } 1812e705c121SKalle Valo 1813e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1814e705c121SKalle Valo mvm->p2p_device_vif = NULL; 1815d197358bSLuca Coelho iwl_mvm_rm_p2p_bcast_sta(mvm, vif); 1816e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1817e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 1818e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1819e705c121SKalle Valo } 1820e705c121SKalle Valo 1821e705c121SKalle Valo if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE) 1822e705c121SKalle Valo mvm->vif_count--; 1823e705c121SKalle Valo 1824e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 1825e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1826e705c121SKalle Valo 1827698478c4SSara Sharon RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); 1828698478c4SSara Sharon 1829baf41bc3SShaul Triebitz if (vif->type == NL80211_IFTYPE_MONITOR) 1830baf41bc3SShaul Triebitz mvm->monitor_on = false; 1831baf41bc3SShaul Triebitz 1832e705c121SKalle Valo out_release: 1833e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1834e705c121SKalle Valo } 1835e705c121SKalle Valo 1836e705c121SKalle Valo static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed) 1837e705c121SKalle Valo { 1838e705c121SKalle Valo return 0; 1839e705c121SKalle Valo } 1840e705c121SKalle Valo 1841e705c121SKalle Valo struct iwl_mvm_mc_iter_data { 1842e705c121SKalle Valo struct iwl_mvm *mvm; 1843e705c121SKalle Valo int port_id; 1844e705c121SKalle Valo }; 1845e705c121SKalle Valo 1846e705c121SKalle Valo static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 1847e705c121SKalle Valo struct ieee80211_vif *vif) 1848e705c121SKalle Valo { 1849e705c121SKalle Valo struct iwl_mvm_mc_iter_data *data = _data; 1850e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1851e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 185297bce57bSLuca Coelho struct iwl_host_cmd hcmd = { 185397bce57bSLuca Coelho .id = MCAST_FILTER_CMD, 185497bce57bSLuca Coelho .flags = CMD_ASYNC, 185597bce57bSLuca Coelho .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 185697bce57bSLuca Coelho }; 1857e705c121SKalle Valo int ret, len; 1858e705c121SKalle Valo 1859e705c121SKalle Valo /* if we don't have free ports, mcast frames will be dropped */ 1860e705c121SKalle Valo if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 1861e705c121SKalle Valo return; 1862e705c121SKalle Valo 1863e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || 1864e705c121SKalle Valo !vif->bss_conf.assoc) 1865e705c121SKalle Valo return; 1866e705c121SKalle Valo 1867e705c121SKalle Valo cmd->port_id = data->port_id++; 1868e705c121SKalle Valo memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 1869e705c121SKalle Valo len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 1870e705c121SKalle Valo 187197bce57bSLuca Coelho hcmd.len[0] = len; 187297bce57bSLuca Coelho hcmd.data[0] = cmd; 187397bce57bSLuca Coelho 187497bce57bSLuca Coelho ret = iwl_mvm_send_cmd(mvm, &hcmd); 1875e705c121SKalle Valo if (ret) 1876e705c121SKalle Valo IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 1877e705c121SKalle Valo } 1878e705c121SKalle Valo 1879e705c121SKalle Valo static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 1880e705c121SKalle Valo { 1881e705c121SKalle Valo struct iwl_mvm_mc_iter_data iter_data = { 1882e705c121SKalle Valo .mvm = mvm, 1883e705c121SKalle Valo }; 1884e705c121SKalle Valo 1885e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1886e705c121SKalle Valo 1887e705c121SKalle Valo if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 1888e705c121SKalle Valo return; 1889e705c121SKalle Valo 1890e705c121SKalle Valo ieee80211_iterate_active_interfaces_atomic( 1891e705c121SKalle Valo mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1892e705c121SKalle Valo iwl_mvm_mc_iface_iterator, &iter_data); 1893e705c121SKalle Valo } 1894e705c121SKalle Valo 1895e705c121SKalle Valo static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 1896e705c121SKalle Valo struct netdev_hw_addr_list *mc_list) 1897e705c121SKalle Valo { 1898e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1899e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd; 1900e705c121SKalle Valo struct netdev_hw_addr *addr; 1901e705c121SKalle Valo int addr_count; 1902e705c121SKalle Valo bool pass_all; 1903e705c121SKalle Valo int len; 1904e705c121SKalle Valo 1905e705c121SKalle Valo addr_count = netdev_hw_addr_list_count(mc_list); 1906e705c121SKalle Valo pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 1907e705c121SKalle Valo IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 1908e705c121SKalle Valo if (pass_all) 1909e705c121SKalle Valo addr_count = 0; 1910e705c121SKalle Valo 1911e705c121SKalle Valo len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 1912e705c121SKalle Valo cmd = kzalloc(len, GFP_ATOMIC); 1913e705c121SKalle Valo if (!cmd) 1914e705c121SKalle Valo return 0; 1915e705c121SKalle Valo 1916e705c121SKalle Valo if (pass_all) { 1917e705c121SKalle Valo cmd->pass_all = 1; 1918e705c121SKalle Valo return (u64)(unsigned long)cmd; 1919e705c121SKalle Valo } 1920e705c121SKalle Valo 1921e705c121SKalle Valo netdev_hw_addr_list_for_each(addr, mc_list) { 1922e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 1923e705c121SKalle Valo cmd->count, addr->addr); 1924e705c121SKalle Valo memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 1925e705c121SKalle Valo addr->addr, ETH_ALEN); 1926e705c121SKalle Valo cmd->count++; 1927e705c121SKalle Valo } 1928e705c121SKalle Valo 1929e705c121SKalle Valo return (u64)(unsigned long)cmd; 1930e705c121SKalle Valo } 1931e705c121SKalle Valo 1932e705c121SKalle Valo static void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 1933e705c121SKalle Valo unsigned int changed_flags, 1934e705c121SKalle Valo unsigned int *total_flags, 1935e705c121SKalle Valo u64 multicast) 1936e705c121SKalle Valo { 1937e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1938e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; 1939e705c121SKalle Valo 1940e705c121SKalle Valo mutex_lock(&mvm->mutex); 1941e705c121SKalle Valo 1942e705c121SKalle Valo /* replace previous configuration */ 1943e705c121SKalle Valo kfree(mvm->mcast_filter_cmd); 1944e705c121SKalle Valo mvm->mcast_filter_cmd = cmd; 1945e705c121SKalle Valo 1946e705c121SKalle Valo if (!cmd) 1947e705c121SKalle Valo goto out; 1948e705c121SKalle Valo 194961e7d91bSLuca Coelho if (changed_flags & FIF_ALLMULTI) 195061e7d91bSLuca Coelho cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); 195161e7d91bSLuca Coelho 195261e7d91bSLuca Coelho if (cmd->pass_all) 195361e7d91bSLuca Coelho cmd->count = 0; 195461e7d91bSLuca Coelho 1955e705c121SKalle Valo iwl_mvm_recalc_multicast(mvm); 1956e705c121SKalle Valo out: 1957e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1958e705c121SKalle Valo *total_flags = 0; 1959e705c121SKalle Valo } 1960e705c121SKalle Valo 1961e705c121SKalle Valo static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 1962e705c121SKalle Valo struct ieee80211_vif *vif, 1963e705c121SKalle Valo unsigned int filter_flags, 1964e705c121SKalle Valo unsigned int changed_flags) 1965e705c121SKalle Valo { 1966e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1967e705c121SKalle Valo 1968e705c121SKalle Valo /* We support only filter for probe requests */ 1969e705c121SKalle Valo if (!(changed_flags & FIF_PROBE_REQ)) 1970e705c121SKalle Valo return; 1971e705c121SKalle Valo 1972e705c121SKalle Valo /* Supported only for p2p client interfaces */ 1973e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc || 1974e705c121SKalle Valo !vif->p2p) 1975e705c121SKalle Valo return; 1976e705c121SKalle Valo 1977e705c121SKalle Valo mutex_lock(&mvm->mutex); 1978e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1979e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1980e705c121SKalle Valo } 1981e705c121SKalle Valo 1982e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 1983e705c121SKalle Valo struct iwl_bcast_iter_data { 1984e705c121SKalle Valo struct iwl_mvm *mvm; 1985e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd; 1986e705c121SKalle Valo u8 current_filter; 1987e705c121SKalle Valo }; 1988e705c121SKalle Valo 1989e705c121SKalle Valo static void 1990e705c121SKalle Valo iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif, 1991e705c121SKalle Valo const struct iwl_fw_bcast_filter *in_filter, 1992e705c121SKalle Valo struct iwl_fw_bcast_filter *out_filter) 1993e705c121SKalle Valo { 1994e705c121SKalle Valo struct iwl_fw_bcast_filter_attr *attr; 1995e705c121SKalle Valo int i; 1996e705c121SKalle Valo 1997e705c121SKalle Valo memcpy(out_filter, in_filter, sizeof(*out_filter)); 1998e705c121SKalle Valo 1999e705c121SKalle Valo for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) { 2000e705c121SKalle Valo attr = &out_filter->attrs[i]; 2001e705c121SKalle Valo 2002e705c121SKalle Valo if (!attr->mask) 2003e705c121SKalle Valo break; 2004e705c121SKalle Valo 2005e705c121SKalle Valo switch (attr->reserved1) { 2006e705c121SKalle Valo case cpu_to_le16(BC_FILTER_MAGIC_IP): 2007e705c121SKalle Valo if (vif->bss_conf.arp_addr_cnt != 1) { 2008e705c121SKalle Valo attr->mask = 0; 2009e705c121SKalle Valo continue; 2010e705c121SKalle Valo } 2011e705c121SKalle Valo 2012e705c121SKalle Valo attr->val = vif->bss_conf.arp_addr_list[0]; 2013e705c121SKalle Valo break; 2014e705c121SKalle Valo case cpu_to_le16(BC_FILTER_MAGIC_MAC): 2015e705c121SKalle Valo attr->val = *(__be32 *)&vif->addr[2]; 2016e705c121SKalle Valo break; 2017e705c121SKalle Valo default: 2018e705c121SKalle Valo break; 2019e705c121SKalle Valo } 2020e705c121SKalle Valo attr->reserved1 = 0; 2021e705c121SKalle Valo out_filter->num_attrs++; 2022e705c121SKalle Valo } 2023e705c121SKalle Valo } 2024e705c121SKalle Valo 2025e705c121SKalle Valo static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac, 2026e705c121SKalle Valo struct ieee80211_vif *vif) 2027e705c121SKalle Valo { 2028e705c121SKalle Valo struct iwl_bcast_iter_data *data = _data; 2029e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 2030e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd = data->cmd; 2031e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2032e705c121SKalle Valo struct iwl_fw_bcast_mac *bcast_mac; 2033e705c121SKalle Valo int i; 2034e705c121SKalle Valo 2035e705c121SKalle Valo if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs))) 2036e705c121SKalle Valo return; 2037e705c121SKalle Valo 2038e705c121SKalle Valo bcast_mac = &cmd->macs[mvmvif->id]; 2039e705c121SKalle Valo 2040e705c121SKalle Valo /* 2041e705c121SKalle Valo * enable filtering only for associated stations, but not for P2P 2042e705c121SKalle Valo * Clients 2043e705c121SKalle Valo */ 2044e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || vif->p2p || 2045e705c121SKalle Valo !vif->bss_conf.assoc) 2046e705c121SKalle Valo return; 2047e705c121SKalle Valo 2048e705c121SKalle Valo bcast_mac->default_discard = 1; 2049e705c121SKalle Valo 2050e705c121SKalle Valo /* copy all configured filters */ 2051e705c121SKalle Valo for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) { 2052e705c121SKalle Valo /* 2053e705c121SKalle Valo * Make sure we don't exceed our filters limit. 2054e705c121SKalle Valo * if there is still a valid filter to be configured, 2055e705c121SKalle Valo * be on the safe side and just allow bcast for this mac. 2056e705c121SKalle Valo */ 2057e705c121SKalle Valo if (WARN_ON_ONCE(data->current_filter >= 2058e705c121SKalle Valo ARRAY_SIZE(cmd->filters))) { 2059e705c121SKalle Valo bcast_mac->default_discard = 0; 2060e705c121SKalle Valo bcast_mac->attached_filters = 0; 2061e705c121SKalle Valo break; 2062e705c121SKalle Valo } 2063e705c121SKalle Valo 2064e705c121SKalle Valo iwl_mvm_set_bcast_filter(vif, 2065e705c121SKalle Valo &mvm->bcast_filters[i], 2066e705c121SKalle Valo &cmd->filters[data->current_filter]); 2067e705c121SKalle Valo 2068e705c121SKalle Valo /* skip current filter if it contains no attributes */ 2069e705c121SKalle Valo if (!cmd->filters[data->current_filter].num_attrs) 2070e705c121SKalle Valo continue; 2071e705c121SKalle Valo 2072e705c121SKalle Valo /* attach the filter to current mac */ 2073e705c121SKalle Valo bcast_mac->attached_filters |= 2074e705c121SKalle Valo cpu_to_le16(BIT(data->current_filter)); 2075e705c121SKalle Valo 2076e705c121SKalle Valo data->current_filter++; 2077e705c121SKalle Valo } 2078e705c121SKalle Valo } 2079e705c121SKalle Valo 2080e705c121SKalle Valo bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm, 2081e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd) 2082e705c121SKalle Valo { 2083e705c121SKalle Valo struct iwl_bcast_iter_data iter_data = { 2084e705c121SKalle Valo .mvm = mvm, 2085e705c121SKalle Valo .cmd = cmd, 2086e705c121SKalle Valo }; 2087e705c121SKalle Valo 2088e705c121SKalle Valo if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL) 2089e705c121SKalle Valo return false; 2090e705c121SKalle Valo 2091e705c121SKalle Valo memset(cmd, 0, sizeof(*cmd)); 2092e705c121SKalle Valo cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters); 2093e705c121SKalle Valo cmd->max_macs = ARRAY_SIZE(cmd->macs); 2094e705c121SKalle Valo 2095e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_DEBUGFS 2096e705c121SKalle Valo /* use debugfs filters/macs if override is configured */ 2097e705c121SKalle Valo if (mvm->dbgfs_bcast_filtering.override) { 2098e705c121SKalle Valo memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters, 2099e705c121SKalle Valo sizeof(cmd->filters)); 2100e705c121SKalle Valo memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs, 2101e705c121SKalle Valo sizeof(cmd->macs)); 2102e705c121SKalle Valo return true; 2103e705c121SKalle Valo } 2104e705c121SKalle Valo #endif 2105e705c121SKalle Valo 2106e705c121SKalle Valo /* if no filters are configured, do nothing */ 2107e705c121SKalle Valo if (!mvm->bcast_filters) 2108e705c121SKalle Valo return false; 2109e705c121SKalle Valo 2110e705c121SKalle Valo /* configure and attach these filters for each associated sta vif */ 2111e705c121SKalle Valo ieee80211_iterate_active_interfaces( 2112e705c121SKalle Valo mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2113e705c121SKalle Valo iwl_mvm_bcast_filter_iterator, &iter_data); 2114e705c121SKalle Valo 2115e705c121SKalle Valo return true; 2116e705c121SKalle Valo } 211734672bb3SEliad Peller 211834672bb3SEliad Peller static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm) 2119e705c121SKalle Valo { 2120e705c121SKalle Valo struct iwl_bcast_filter_cmd cmd; 2121e705c121SKalle Valo 2122e705c121SKalle Valo if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING)) 2123e705c121SKalle Valo return 0; 2124e705c121SKalle Valo 2125e705c121SKalle Valo if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) 2126e705c121SKalle Valo return 0; 2127e705c121SKalle Valo 2128e705c121SKalle Valo return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, 2129e705c121SKalle Valo sizeof(cmd), &cmd); 2130e705c121SKalle Valo } 2131e705c121SKalle Valo #else 213234672bb3SEliad Peller static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm) 2133e705c121SKalle Valo { 2134e705c121SKalle Valo return 0; 2135e705c121SKalle Valo } 2136e705c121SKalle Valo #endif 2137e705c121SKalle Valo 2138a07a8f37SSara Sharon static int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, 2139a07a8f37SSara Sharon struct ieee80211_vif *vif) 2140a07a8f37SSara Sharon { 2141a07a8f37SSara Sharon struct iwl_mu_group_mgmt_cmd cmd = {}; 2142a07a8f37SSara Sharon 2143a07a8f37SSara Sharon memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 2144a07a8f37SSara Sharon WLAN_MEMBERSHIP_LEN); 2145a07a8f37SSara Sharon memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 2146a07a8f37SSara Sharon WLAN_USER_POSITION_LEN); 2147a07a8f37SSara Sharon 2148a07a8f37SSara Sharon return iwl_mvm_send_cmd_pdu(mvm, 2149a07a8f37SSara Sharon WIDE_ID(DATA_PATH_GROUP, 2150a07a8f37SSara Sharon UPDATE_MU_GROUPS_CMD), 2151a07a8f37SSara Sharon 0, sizeof(cmd), &cmd); 2152a07a8f37SSara Sharon } 2153a07a8f37SSara Sharon 2154f92659a1SSara Sharon static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 2155f92659a1SSara Sharon struct ieee80211_vif *vif) 2156f92659a1SSara Sharon { 2157f92659a1SSara Sharon if (vif->mu_mimo_owner) { 2158f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = _data; 2159f92659a1SSara Sharon 2160f92659a1SSara Sharon /* 2161f92659a1SSara Sharon * MU-MIMO Group Id action frame is little endian. We treat 2162f92659a1SSara Sharon * the data received from firmware as if it came from the 2163f92659a1SSara Sharon * action frame, so no conversion is needed. 2164f92659a1SSara Sharon */ 2165f92659a1SSara Sharon ieee80211_update_mu_groups(vif, 2166f92659a1SSara Sharon (u8 *)¬if->membership_status, 2167f92659a1SSara Sharon (u8 *)¬if->user_position); 2168f92659a1SSara Sharon } 2169f92659a1SSara Sharon } 2170f92659a1SSara Sharon 2171f92659a1SSara Sharon void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 2172f92659a1SSara Sharon struct iwl_rx_cmd_buffer *rxb) 2173f92659a1SSara Sharon { 2174f92659a1SSara Sharon struct iwl_rx_packet *pkt = rxb_addr(rxb); 2175f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 2176f92659a1SSara Sharon 2177f92659a1SSara Sharon ieee80211_iterate_active_interfaces_atomic( 2178f92659a1SSara Sharon mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2179f92659a1SSara Sharon iwl_mvm_mu_mimo_iface_iterator, notif); 2180f92659a1SSara Sharon } 2181f92659a1SSara Sharon 2182514c3069SLuca Coelho static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) 2183514c3069SLuca Coelho { 2184514c3069SLuca Coelho u8 byte_num = ppe_pos_bit / 8; 2185514c3069SLuca Coelho u8 bit_num = ppe_pos_bit % 8; 2186514c3069SLuca Coelho u8 residue_bits; 2187514c3069SLuca Coelho u8 res; 2188514c3069SLuca Coelho 2189514c3069SLuca Coelho if (bit_num <= 5) 2190514c3069SLuca Coelho return (ppe[byte_num] >> bit_num) & 2191514c3069SLuca Coelho (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); 2192514c3069SLuca Coelho 2193514c3069SLuca Coelho /* 2194514c3069SLuca Coelho * If bit_num > 5, we have to combine bits with next byte. 2195514c3069SLuca Coelho * Calculate how many bits we need to take from current byte (called 2196514c3069SLuca Coelho * here "residue_bits"), and add them to bits from next byte. 2197514c3069SLuca Coelho */ 2198514c3069SLuca Coelho 2199514c3069SLuca Coelho residue_bits = 8 - bit_num; 2200514c3069SLuca Coelho 2201514c3069SLuca Coelho res = (ppe[byte_num + 1] & 2202514c3069SLuca Coelho (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << 2203514c3069SLuca Coelho residue_bits; 2204514c3069SLuca Coelho res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); 2205514c3069SLuca Coelho 2206514c3069SLuca Coelho return res; 2207514c3069SLuca Coelho } 2208514c3069SLuca Coelho 2209514c3069SLuca Coelho static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, 2210514c3069SLuca Coelho struct ieee80211_vif *vif, u8 sta_id) 2211514c3069SLuca Coelho { 2212514c3069SLuca Coelho struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2213514c3069SLuca Coelho struct iwl_he_sta_context_cmd sta_ctxt_cmd = { 2214514c3069SLuca Coelho .sta_id = sta_id, 2215514c3069SLuca Coelho .tid_limit = IWL_MAX_TID_COUNT, 2216514c3069SLuca Coelho .bss_color = vif->bss_conf.bss_color, 2217514c3069SLuca Coelho .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, 2218514c3069SLuca Coelho .frame_time_rts_th = 2219514c3069SLuca Coelho cpu_to_le16(vif->bss_conf.frame_time_rts_th), 2220514c3069SLuca Coelho }; 2221d14ae796SSara Sharon int size = fw_has_api(&mvm->fw->ucode_capa, 2222d14ae796SSara Sharon IWL_UCODE_TLV_API_MBSSID_HE) ? 2223d14ae796SSara Sharon sizeof(sta_ctxt_cmd) : 2224d14ae796SSara Sharon sizeof(struct iwl_he_sta_context_cmd_v1); 2225514c3069SLuca Coelho struct ieee80211_sta *sta; 2226514c3069SLuca Coelho u32 flags; 2227514c3069SLuca Coelho int i; 2228514c3069SLuca Coelho 2229514c3069SLuca Coelho rcu_read_lock(); 2230514c3069SLuca Coelho 2231514c3069SLuca Coelho sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); 2232514c3069SLuca Coelho if (IS_ERR(sta)) { 2233514c3069SLuca Coelho rcu_read_unlock(); 2234514c3069SLuca Coelho WARN(1, "Can't find STA to configure HE\n"); 2235514c3069SLuca Coelho return; 2236514c3069SLuca Coelho } 2237514c3069SLuca Coelho 2238514c3069SLuca Coelho if (!sta->he_cap.has_he) { 2239514c3069SLuca Coelho rcu_read_unlock(); 2240514c3069SLuca Coelho return; 2241514c3069SLuca Coelho } 2242514c3069SLuca Coelho 2243514c3069SLuca Coelho flags = 0; 2244514c3069SLuca Coelho 2245514c3069SLuca Coelho /* HTC flags */ 2246514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[0] & 2247514c3069SLuca Coelho IEEE80211_HE_MAC_CAP0_HTC_HE) 2248514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); 2249514c3069SLuca Coelho if ((sta->he_cap.he_cap_elem.mac_cap_info[1] & 2250514c3069SLuca Coelho IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || 2251514c3069SLuca Coelho (sta->he_cap.he_cap_elem.mac_cap_info[2] & 2252514c3069SLuca Coelho IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { 2253514c3069SLuca Coelho u8 link_adap = 2254514c3069SLuca Coelho ((sta->he_cap.he_cap_elem.mac_cap_info[2] & 2255514c3069SLuca Coelho IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + 2256514c3069SLuca Coelho (sta->he_cap.he_cap_elem.mac_cap_info[1] & 2257514c3069SLuca Coelho IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); 2258514c3069SLuca Coelho 2259514c3069SLuca Coelho if (link_adap == 2) 2260514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= 2261514c3069SLuca Coelho cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); 2262514c3069SLuca Coelho else if (link_adap == 3) 2263514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= 2264514c3069SLuca Coelho cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); 2265514c3069SLuca Coelho } 2266514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) 2267514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); 2268514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[3] & 2269514c3069SLuca Coelho IEEE80211_HE_MAC_CAP3_OMI_CONTROL) 2270514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); 2271514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) 2272514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); 2273514c3069SLuca Coelho 2274189b8d44SNaftali Goldstein /* 2275189b8d44SNaftali Goldstein * Initialize the PPE thresholds to "None" (7), as described in Table 2276189b8d44SNaftali Goldstein * 9-262ac of 80211.ax/D3.0. 2277189b8d44SNaftali Goldstein */ 2278189b8d44SNaftali Goldstein memset(&sta_ctxt_cmd.pkt_ext, 7, sizeof(sta_ctxt_cmd.pkt_ext)); 2279189b8d44SNaftali Goldstein 2280189b8d44SNaftali Goldstein /* If PPE Thresholds exist, parse them into a FW-familiar format. */ 2281514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.phy_cap_info[6] & 2282514c3069SLuca Coelho IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2283514c3069SLuca Coelho u8 nss = (sta->he_cap.ppe_thres[0] & 2284514c3069SLuca Coelho IEEE80211_PPE_THRES_NSS_MASK) + 1; 2285514c3069SLuca Coelho u8 ru_index_bitmap = 2286514c3069SLuca Coelho (sta->he_cap.ppe_thres[0] & 2287514c3069SLuca Coelho IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK) >> 2288514c3069SLuca Coelho IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS; 2289514c3069SLuca Coelho u8 *ppe = &sta->he_cap.ppe_thres[0]; 2290514c3069SLuca Coelho u8 ppe_pos_bit = 7; /* Starting after PPE header */ 2291514c3069SLuca Coelho 2292514c3069SLuca Coelho /* 2293514c3069SLuca Coelho * FW currently supports only nss == MAX_HE_SUPP_NSS 2294514c3069SLuca Coelho * 2295514c3069SLuca Coelho * If nss > MAX: we can ignore values we don't support 2296514c3069SLuca Coelho * If nss < MAX: we can set zeros in other streams 2297514c3069SLuca Coelho */ 2298514c3069SLuca Coelho if (nss > MAX_HE_SUPP_NSS) { 2299514c3069SLuca Coelho IWL_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, 2300514c3069SLuca Coelho MAX_HE_SUPP_NSS); 2301514c3069SLuca Coelho nss = MAX_HE_SUPP_NSS; 2302514c3069SLuca Coelho } 2303514c3069SLuca Coelho 2304514c3069SLuca Coelho for (i = 0; i < nss; i++) { 2305514c3069SLuca Coelho u8 ru_index_tmp = ru_index_bitmap << 1; 2306514c3069SLuca Coelho u8 bw; 2307514c3069SLuca Coelho 2308514c3069SLuca Coelho for (bw = 0; bw < MAX_HE_CHANNEL_BW_INDX; bw++) { 2309514c3069SLuca Coelho ru_index_tmp >>= 1; 2310514c3069SLuca Coelho if (!(ru_index_tmp & 1)) 2311514c3069SLuca Coelho continue; 2312514c3069SLuca Coelho 2313514c3069SLuca Coelho sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][1] = 2314514c3069SLuca Coelho iwl_mvm_he_get_ppe_val(ppe, 2315514c3069SLuca Coelho ppe_pos_bit); 2316514c3069SLuca Coelho ppe_pos_bit += 2317514c3069SLuca Coelho IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2318514c3069SLuca Coelho sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][0] = 2319514c3069SLuca Coelho iwl_mvm_he_get_ppe_val(ppe, 2320514c3069SLuca Coelho ppe_pos_bit); 2321514c3069SLuca Coelho ppe_pos_bit += 2322514c3069SLuca Coelho IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2323514c3069SLuca Coelho } 2324514c3069SLuca Coelho } 2325514c3069SLuca Coelho 2326514c3069SLuca Coelho flags |= STA_CTXT_HE_PACKET_EXT; 232777ff2c6bSLiad Kaufman } else if ((sta->he_cap.he_cap_elem.phy_cap_info[9] & 232877ff2c6bSLiad Kaufman IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK) != 232977ff2c6bSLiad Kaufman IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED) { 233077ff2c6bSLiad Kaufman int low_th = -1; 233177ff2c6bSLiad Kaufman int high_th = -1; 233277ff2c6bSLiad Kaufman 233377ff2c6bSLiad Kaufman /* Take the PPE thresholds from the nominal padding info */ 233477ff2c6bSLiad Kaufman switch (sta->he_cap.he_cap_elem.phy_cap_info[9] & 233577ff2c6bSLiad Kaufman IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK) { 233677ff2c6bSLiad Kaufman case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US: 233777ff2c6bSLiad Kaufman low_th = IWL_HE_PKT_EXT_NONE; 233877ff2c6bSLiad Kaufman high_th = IWL_HE_PKT_EXT_NONE; 233977ff2c6bSLiad Kaufman break; 234077ff2c6bSLiad Kaufman case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US: 234177ff2c6bSLiad Kaufman low_th = IWL_HE_PKT_EXT_BPSK; 234277ff2c6bSLiad Kaufman high_th = IWL_HE_PKT_EXT_NONE; 234377ff2c6bSLiad Kaufman break; 234477ff2c6bSLiad Kaufman case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US: 234577ff2c6bSLiad Kaufman low_th = IWL_HE_PKT_EXT_NONE; 234677ff2c6bSLiad Kaufman high_th = IWL_HE_PKT_EXT_BPSK; 234777ff2c6bSLiad Kaufman break; 234877ff2c6bSLiad Kaufman } 234977ff2c6bSLiad Kaufman 235077ff2c6bSLiad Kaufman /* Set the PPE thresholds accordingly */ 235177ff2c6bSLiad Kaufman if (low_th >= 0 && high_th >= 0) { 23520bfefe2fSLiad Kaufman struct iwl_he_pkt_ext *pkt_ext = 23530bfefe2fSLiad Kaufman (struct iwl_he_pkt_ext *)&sta_ctxt_cmd.pkt_ext; 235477ff2c6bSLiad Kaufman 235577ff2c6bSLiad Kaufman for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 235677ff2c6bSLiad Kaufman u8 bw; 235777ff2c6bSLiad Kaufman 235877ff2c6bSLiad Kaufman for (bw = 0; bw < MAX_HE_CHANNEL_BW_INDX; 235977ff2c6bSLiad Kaufman bw++) { 23600bfefe2fSLiad Kaufman pkt_ext->pkt_ext_qam_th[i][bw][0] = 23610bfefe2fSLiad Kaufman low_th; 23620bfefe2fSLiad Kaufman pkt_ext->pkt_ext_qam_th[i][bw][1] = 23630bfefe2fSLiad Kaufman high_th; 236477ff2c6bSLiad Kaufman } 236577ff2c6bSLiad Kaufman } 236677ff2c6bSLiad Kaufman 236777ff2c6bSLiad Kaufman flags |= STA_CTXT_HE_PACKET_EXT; 236877ff2c6bSLiad Kaufman } 2369514c3069SLuca Coelho } 2370514c3069SLuca Coelho rcu_read_unlock(); 2371514c3069SLuca Coelho 2372514c3069SLuca Coelho /* Mark MU EDCA as enabled, unless none detected on some AC */ 2373514c3069SLuca Coelho flags |= STA_CTXT_HE_MU_EDCA_CW; 23745cc74f65SShaul Triebitz for (i = 0; i < IEEE80211_NUM_ACS; i++) { 2375514c3069SLuca Coelho struct ieee80211_he_mu_edca_param_ac_rec *mu_edca = 2376514c3069SLuca Coelho &mvmvif->queue_params[i].mu_edca_param_rec; 23775cc74f65SShaul Triebitz u8 ac = iwl_mvm_mac80211_ac_to_ucode_ac(i); 2378514c3069SLuca Coelho 2379514c3069SLuca Coelho if (!mvmvif->queue_params[i].mu_edca) { 2380514c3069SLuca Coelho flags &= ~STA_CTXT_HE_MU_EDCA_CW; 2381514c3069SLuca Coelho break; 2382514c3069SLuca Coelho } 2383514c3069SLuca Coelho 23845cc74f65SShaul Triebitz sta_ctxt_cmd.trig_based_txf[ac].cwmin = 2385514c3069SLuca Coelho cpu_to_le16(mu_edca->ecw_min_max & 0xf); 23865cc74f65SShaul Triebitz sta_ctxt_cmd.trig_based_txf[ac].cwmax = 2387514c3069SLuca Coelho cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); 23885cc74f65SShaul Triebitz sta_ctxt_cmd.trig_based_txf[ac].aifsn = 2389514c3069SLuca Coelho cpu_to_le16(mu_edca->aifsn); 23905cc74f65SShaul Triebitz sta_ctxt_cmd.trig_based_txf[ac].mu_time = 2391514c3069SLuca Coelho cpu_to_le16(mu_edca->mu_edca_timer); 2392514c3069SLuca Coelho } 2393514c3069SLuca Coelho 2394514c3069SLuca Coelho if (vif->bss_conf.multi_sta_back_32bit) 2395514c3069SLuca Coelho flags |= STA_CTXT_HE_32BIT_BA_BITMAP; 2396514c3069SLuca Coelho 2397514c3069SLuca Coelho if (vif->bss_conf.ack_enabled) 2398514c3069SLuca Coelho flags |= STA_CTXT_HE_ACK_ENABLED; 2399514c3069SLuca Coelho 2400514c3069SLuca Coelho if (vif->bss_conf.uora_exists) { 2401514c3069SLuca Coelho flags |= STA_CTXT_HE_TRIG_RND_ALLOC; 2402514c3069SLuca Coelho 2403514c3069SLuca Coelho sta_ctxt_cmd.rand_alloc_ecwmin = 2404514c3069SLuca Coelho vif->bss_conf.uora_ocw_range & 0x7; 2405514c3069SLuca Coelho sta_ctxt_cmd.rand_alloc_ecwmax = 2406514c3069SLuca Coelho (vif->bss_conf.uora_ocw_range >> 3) & 0x7; 2407514c3069SLuca Coelho } 2408514c3069SLuca Coelho 2409918cbf39SSara Sharon if (vif->bss_conf.nontransmitted) { 2410918cbf39SSara Sharon flags |= STA_CTXT_HE_REF_BSSID_VALID; 2411918cbf39SSara Sharon ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr, 2412918cbf39SSara Sharon vif->bss_conf.transmitter_bssid); 2413d14ae796SSara Sharon sta_ctxt_cmd.max_bssid_indicator = 2414d14ae796SSara Sharon vif->bss_conf.bssid_indicator; 2415d14ae796SSara Sharon sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index; 2416d14ae796SSara Sharon sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap; 2417d14ae796SSara Sharon sta_ctxt_cmd.profile_periodicity = 2418d14ae796SSara Sharon vif->bss_conf.profile_periodicity; 2419918cbf39SSara Sharon } 2420514c3069SLuca Coelho 2421514c3069SLuca Coelho sta_ctxt_cmd.flags = cpu_to_le32(flags); 2422514c3069SLuca Coelho 2423514c3069SLuca Coelho if (iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(STA_HE_CTXT_CMD, 2424514c3069SLuca Coelho DATA_PATH_GROUP, 0), 2425d14ae796SSara Sharon 0, size, &sta_ctxt_cmd)) 2426514c3069SLuca Coelho IWL_ERR(mvm, "Failed to config FW to work HE!\n"); 2427514c3069SLuca Coelho } 2428514c3069SLuca Coelho 2429e705c121SKalle Valo static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 2430e705c121SKalle Valo struct ieee80211_vif *vif, 2431e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2432e705c121SKalle Valo u32 changes) 2433e705c121SKalle Valo { 2434e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2435e705c121SKalle Valo int ret; 2436e705c121SKalle Valo 2437e705c121SKalle Valo /* 2438e705c121SKalle Valo * Re-calculate the tsf id, as the master-slave relations depend on the 2439e705c121SKalle Valo * beacon interval, which was not known when the station interface was 2440e705c121SKalle Valo * added. 2441e705c121SKalle Valo */ 2442514c3069SLuca Coelho if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc) { 2443230ba6c5SLuca Coelho if (vif->bss_conf.he_support && 2444230ba6c5SLuca Coelho !iwlwifi_mod_params.disable_11ax) 2445514c3069SLuca Coelho iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id); 2446514c3069SLuca Coelho 2447e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2448514c3069SLuca Coelho } 2449e705c121SKalle Valo 245040ecdd01SShaul Triebitz /* Update MU EDCA params */ 245140ecdd01SShaul Triebitz if (changes & BSS_CHANGED_QOS && mvmvif->associated && 245240ecdd01SShaul Triebitz bss_conf->assoc && vif->bss_conf.he_support && 245340ecdd01SShaul Triebitz !iwlwifi_mod_params.disable_11ax) 245440ecdd01SShaul Triebitz iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id); 245540ecdd01SShaul Triebitz 2456e705c121SKalle Valo /* 2457e705c121SKalle Valo * If we're not associated yet, take the (new) BSSID before associating 2458e705c121SKalle Valo * so the firmware knows. If we're already associated, then use the old 2459e705c121SKalle Valo * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 2460e705c121SKalle Valo * branch for disassociation below. 2461e705c121SKalle Valo */ 2462e705c121SKalle Valo if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 2463e705c121SKalle Valo memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); 2464e705c121SKalle Valo 2465e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid); 2466e705c121SKalle Valo if (ret) 2467e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2468e705c121SKalle Valo 2469e705c121SKalle Valo /* after sending it once, adopt mac80211 data */ 2470e705c121SKalle Valo memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); 2471e705c121SKalle Valo mvmvif->associated = bss_conf->assoc; 2472e705c121SKalle Valo 2473e705c121SKalle Valo if (changes & BSS_CHANGED_ASSOC) { 2474e705c121SKalle Valo if (bss_conf->assoc) { 2475e705c121SKalle Valo /* clear statistics to get clean beacon counter */ 2476e705c121SKalle Valo iwl_mvm_request_statistics(mvm, true); 2477e705c121SKalle Valo memset(&mvmvif->beacon_stats, 0, 2478e705c121SKalle Valo sizeof(mvmvif->beacon_stats)); 2479e705c121SKalle Valo 2480e705c121SKalle Valo /* add quota for this interface */ 2481e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 2482e705c121SKalle Valo if (ret) { 2483e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 2484e705c121SKalle Valo return; 2485e705c121SKalle Valo } 2486e705c121SKalle Valo 2487e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2488e705c121SKalle Valo &mvm->status)) { 2489e705c121SKalle Valo /* 2490e705c121SKalle Valo * If we're restarting then the firmware will 2491e705c121SKalle Valo * obviously have lost synchronisation with 2492e705c121SKalle Valo * the AP. It will attempt to synchronise by 2493e705c121SKalle Valo * itself, but we can make it more reliable by 2494e705c121SKalle Valo * scheduling a session protection time event. 2495e705c121SKalle Valo * 2496e705c121SKalle Valo * The firmware needs to receive a beacon to 2497e705c121SKalle Valo * catch up with synchronisation, use 110% of 2498e705c121SKalle Valo * the beacon interval. 2499e705c121SKalle Valo * 2500e705c121SKalle Valo * Set a large maximum delay to allow for more 2501e705c121SKalle Valo * than a single interface. 2502e705c121SKalle Valo */ 2503e705c121SKalle Valo u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 2504e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, dur, dur, 2505e705c121SKalle Valo 5 * dur, false); 2506e705c121SKalle Valo } 2507e705c121SKalle Valo 2508e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 2509e705c121SKalle Valo iwl_mvm_power_vif_assoc(mvm, vif); 2510e705c121SKalle Valo if (vif->p2p) { 2511e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT); 2512e705c121SKalle Valo iwl_mvm_update_smps(mvm, vif, 2513e705c121SKalle Valo IWL_MVM_SMPS_REQ_PROT, 2514e705c121SKalle Valo IEEE80211_SMPS_DYNAMIC); 2515e705c121SKalle Valo } 25160ae98812SSara Sharon } else if (mvmvif->ap_sta_id != IWL_MVM_INVALID_STA) { 2517e705c121SKalle Valo /* 2518e705c121SKalle Valo * If update fails - SF might be running in associated 2519e705c121SKalle Valo * mode while disassociated - which is forbidden. 2520e705c121SKalle Valo */ 252169e508b4SIlan Peer ret = iwl_mvm_sf_update(mvm, vif, false); 252269e508b4SIlan Peer WARN_ONCE(ret && 252369e508b4SIlan Peer !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 252469e508b4SIlan Peer &mvm->status), 2525e705c121SKalle Valo "Failed to update SF upon disassociation\n"); 2526e705c121SKalle Valo 25276b28f978SEmmanuel Grumbach /* 25286b28f978SEmmanuel Grumbach * If we get an assert during the connection (after the 25296b28f978SEmmanuel Grumbach * station has been added, but before the vif is set 25306b28f978SEmmanuel Grumbach * to associated), mac80211 will re-add the station and 25316b28f978SEmmanuel Grumbach * then configure the vif. Since the vif is not 25326b28f978SEmmanuel Grumbach * associated, we would remove the station here and 25336b28f978SEmmanuel Grumbach * this would fail the recovery. 25346b28f978SEmmanuel Grumbach */ 25356b28f978SEmmanuel Grumbach if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 25366b28f978SEmmanuel Grumbach &mvm->status)) { 25376b28f978SEmmanuel Grumbach /* 25386b28f978SEmmanuel Grumbach * Remove AP station now that 25396b28f978SEmmanuel Grumbach * the MAC is unassoc 25406b28f978SEmmanuel Grumbach */ 25416b28f978SEmmanuel Grumbach ret = iwl_mvm_rm_sta_id(mvm, vif, 25426b28f978SEmmanuel Grumbach mvmvif->ap_sta_id); 2543e705c121SKalle Valo if (ret) 25446b28f978SEmmanuel Grumbach IWL_ERR(mvm, 25456b28f978SEmmanuel Grumbach "failed to remove AP station\n"); 2546e705c121SKalle Valo 2547e705c121SKalle Valo if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id) 25486b28f978SEmmanuel Grumbach mvm->d0i3_ap_sta_id = 25496b28f978SEmmanuel Grumbach IWL_MVM_INVALID_STA; 25500ae98812SSara Sharon mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; 25516b28f978SEmmanuel Grumbach } 25526b28f978SEmmanuel Grumbach 2553e705c121SKalle Valo /* remove quota for this interface */ 2554e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2555e705c121SKalle Valo if (ret) 2556e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 2557e705c121SKalle Valo 2558e705c121SKalle Valo if (vif->p2p) 2559e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT); 2560e705c121SKalle Valo 2561e705c121SKalle Valo /* this will take the cleared BSSID from bss_conf */ 2562e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2563e705c121SKalle Valo if (ret) 2564e705c121SKalle Valo IWL_ERR(mvm, 2565e705c121SKalle Valo "failed to update MAC %pM (clear after unassoc)\n", 2566e705c121SKalle Valo vif->addr); 2567e705c121SKalle Valo } 2568e705c121SKalle Valo 2569a07a8f37SSara Sharon /* 2570a07a8f37SSara Sharon * The firmware tracks the MU-MIMO group on its own. 2571f92659a1SSara Sharon * However, on HW restart we should restore this data. 2572a07a8f37SSara Sharon */ 2573a07a8f37SSara Sharon if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2574f92659a1SSara Sharon (changes & BSS_CHANGED_MU_GROUPS) && vif->mu_mimo_owner) { 2575a07a8f37SSara Sharon ret = iwl_mvm_update_mu_groups(mvm, vif); 2576a07a8f37SSara Sharon if (ret) 2577a07a8f37SSara Sharon IWL_ERR(mvm, 2578a07a8f37SSara Sharon "failed to update VHT MU_MIMO groups\n"); 2579a07a8f37SSara Sharon } 2580a07a8f37SSara Sharon 2581e705c121SKalle Valo iwl_mvm_recalc_multicast(mvm); 258234672bb3SEliad Peller iwl_mvm_configure_bcast_filter(mvm); 2583e705c121SKalle Valo 2584e705c121SKalle Valo /* reset rssi values */ 2585e705c121SKalle Valo mvmvif->bf_data.ave_beacon_signal = 0; 2586e705c121SKalle Valo 2587e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2588e705c121SKalle Valo iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2589e705c121SKalle Valo IEEE80211_SMPS_AUTOMATIC); 2590355346baSAvraham Stern if (fw_has_capa(&mvm->fw->ucode_capa, 2591355346baSAvraham Stern IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2592355346baSAvraham Stern iwl_mvm_config_scan(mvm); 2593b45242c9SAvraham Stern } 2594b45242c9SAvraham Stern 2595b45242c9SAvraham Stern if (changes & BSS_CHANGED_BEACON_INFO) { 2596e705c121SKalle Valo /* 2597b45242c9SAvraham Stern * We received a beacon from the associated AP so 2598e705c121SKalle Valo * remove the session protection. 2599e705c121SKalle Valo */ 26003edfb5f4SAvraham Stern iwl_mvm_stop_session_protection(mvm, vif); 2601e705c121SKalle Valo 2602e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 2603e705c121SKalle Valo WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 2604e705c121SKalle Valo } 2605e705c121SKalle Valo 2606283115fbSAvri Altman if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2607283115fbSAvri Altman /* 2608283115fbSAvri Altman * Send power command on every beacon change, 2609283115fbSAvri Altman * because we may have not enabled beacon abort yet. 2610283115fbSAvri Altman */ 2611283115fbSAvri Altman BSS_CHANGED_BEACON_INFO)) { 2612e705c121SKalle Valo ret = iwl_mvm_power_update_mac(mvm); 2613e705c121SKalle Valo if (ret) 2614e705c121SKalle Valo IWL_ERR(mvm, "failed to update power mode\n"); 2615e705c121SKalle Valo } 2616e705c121SKalle Valo 2617e705c121SKalle Valo if (changes & BSS_CHANGED_TXPOWER) { 2618e705c121SKalle Valo IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", 2619e705c121SKalle Valo bss_conf->txpower); 2620e705c121SKalle Valo iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 2621e705c121SKalle Valo } 2622e705c121SKalle Valo 2623e705c121SKalle Valo if (changes & BSS_CHANGED_CQM) { 2624e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n"); 2625e705c121SKalle Valo /* reset cqm events tracking */ 2626e705c121SKalle Valo mvmvif->bf_data.last_cqm_event = 0; 2627e705c121SKalle Valo if (mvmvif->bf_data.bf_enabled) { 2628e705c121SKalle Valo ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 2629e705c121SKalle Valo if (ret) 2630e705c121SKalle Valo IWL_ERR(mvm, 2631e705c121SKalle Valo "failed to update CQM thresholds\n"); 2632e705c121SKalle Valo } 2633e705c121SKalle Valo } 2634e705c121SKalle Valo 2635e705c121SKalle Valo if (changes & BSS_CHANGED_ARP_FILTER) { 2636e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "arp filter changed\n"); 263734672bb3SEliad Peller iwl_mvm_configure_bcast_filter(mvm); 2638e705c121SKalle Valo } 2639e705c121SKalle Valo } 2640e705c121SKalle Valo 2641e705c121SKalle Valo static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 2642e705c121SKalle Valo struct ieee80211_vif *vif) 2643e705c121SKalle Valo { 2644e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2645e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2646c56e00a3SJohannes Berg int ret, i; 2647e705c121SKalle Valo 2648e705c121SKalle Valo /* 2649e705c121SKalle Valo * iwl_mvm_mac_ctxt_add() might read directly from the device 2650e705c121SKalle Valo * (the system time), so make sure it is available. 2651e705c121SKalle Valo */ 2652e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP); 2653e705c121SKalle Valo if (ret) 2654e705c121SKalle Valo return ret; 2655e705c121SKalle Valo 2656e705c121SKalle Valo mutex_lock(&mvm->mutex); 2657e705c121SKalle Valo 2658e705c121SKalle Valo /* Send the beacon template */ 2659e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif); 2660e705c121SKalle Valo if (ret) 2661e705c121SKalle Valo goto out_unlock; 2662e705c121SKalle Valo 2663e705c121SKalle Valo /* 2664e705c121SKalle Valo * Re-calculate the tsf id, as the master-slave relations depend on the 2665e705c121SKalle Valo * beacon interval, which was not known when the AP interface was added. 2666e705c121SKalle Valo */ 2667e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) 2668e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2669e705c121SKalle Valo 2670e705c121SKalle Valo mvmvif->ap_assoc_sta_count = 0; 2671e705c121SKalle Valo 2672e705c121SKalle Valo /* Add the mac context */ 2673e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 2674e705c121SKalle Valo if (ret) 2675e705c121SKalle Valo goto out_unlock; 2676e705c121SKalle Valo 2677e705c121SKalle Valo /* Perform the binding */ 2678e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 2679e705c121SKalle Valo if (ret) 2680e705c121SKalle Valo goto out_remove; 2681e705c121SKalle Valo 268263dd5d02SSara Sharon /* 268363dd5d02SSara Sharon * This is not very nice, but the simplest: 268463dd5d02SSara Sharon * For older FWs adding the mcast sta before the bcast station may 268563dd5d02SSara Sharon * cause assert 0x2b00. 268663dd5d02SSara Sharon * This is fixed in later FW so make the order of removal depend on 268763dd5d02SSara Sharon * the TLV 268863dd5d02SSara Sharon */ 268963dd5d02SSara Sharon if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { 2690ced19f26SSara Sharon ret = iwl_mvm_add_mcast_sta(mvm, vif); 2691ced19f26SSara Sharon if (ret) 2692ced19f26SSara Sharon goto out_unbind; 269363dd5d02SSara Sharon /* 269463dd5d02SSara Sharon * Send the bcast station. At this stage the TBTT and DTIM time 269563dd5d02SSara Sharon * events are added and applied to the scheduler 269663dd5d02SSara Sharon */ 2697e705c121SKalle Valo ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 269863dd5d02SSara Sharon if (ret) { 269963dd5d02SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 270063dd5d02SSara Sharon goto out_unbind; 270163dd5d02SSara Sharon } 270263dd5d02SSara Sharon } else { 270363dd5d02SSara Sharon /* 270463dd5d02SSara Sharon * Send the bcast station. At this stage the TBTT and DTIM time 270563dd5d02SSara Sharon * events are added and applied to the scheduler 270663dd5d02SSara Sharon */ 270775fd4fecSJohannes Berg ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 2708e705c121SKalle Valo if (ret) 270963dd5d02SSara Sharon goto out_unbind; 271075fd4fecSJohannes Berg ret = iwl_mvm_add_mcast_sta(mvm, vif); 271163dd5d02SSara Sharon if (ret) { 271263dd5d02SSara Sharon iwl_mvm_send_rm_bcast_sta(mvm, vif); 271363dd5d02SSara Sharon goto out_unbind; 271463dd5d02SSara Sharon } 271563dd5d02SSara Sharon } 271626d6c16bSSara Sharon 2717e705c121SKalle Valo /* must be set before quota calculations */ 2718e705c121SKalle Valo mvmvif->ap_ibss_active = true; 2719e705c121SKalle Valo 2720c56e00a3SJohannes Berg /* send all the early keys to the device now */ 2721c56e00a3SJohannes Berg for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 2722c56e00a3SJohannes Berg struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i]; 2723c56e00a3SJohannes Berg 2724c56e00a3SJohannes Berg if (!key) 2725c56e00a3SJohannes Berg continue; 2726c56e00a3SJohannes Berg 2727c56e00a3SJohannes Berg mvmvif->ap_early_keys[i] = NULL; 2728c56e00a3SJohannes Berg 2729c56e00a3SJohannes Berg ret = iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key); 2730c56e00a3SJohannes Berg if (ret) 2731c56e00a3SJohannes Berg goto out_quota_failed; 2732c56e00a3SJohannes Berg } 2733c56e00a3SJohannes Berg 273447242744STova Mussai if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 273547242744STova Mussai iwl_mvm_vif_set_low_latency(mvmvif, true, 273647242744STova Mussai LOW_LATENCY_VIF_TYPE); 273747242744STova Mussai iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); 273847242744STova Mussai } 273947242744STova Mussai 2740e705c121SKalle Valo /* power updated needs to be done before quotas */ 2741e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2742e705c121SKalle Valo 2743e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2744e705c121SKalle Valo if (ret) 2745e705c121SKalle Valo goto out_quota_failed; 2746e705c121SKalle Valo 2747e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2748e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2749e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2750e705c121SKalle Valo 2751e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS); 2752e705c121SKalle Valo 2753e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2754e705c121SKalle Valo 2755e705c121SKalle Valo /* we don't support TDLS during DCM */ 2756e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 2757e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 2758e705c121SKalle Valo 2759b73f9a4aSJohannes Berg iwl_mvm_ftm_restart_responder(mvm, vif); 2760b73f9a4aSJohannes Berg 2761e705c121SKalle Valo goto out_unlock; 2762e705c121SKalle Valo 2763e705c121SKalle Valo out_quota_failed: 2764e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2765e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2766e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2767ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2768e705c121SKalle Valo out_unbind: 2769e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2770e705c121SKalle Valo out_remove: 2771e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2772e705c121SKalle Valo out_unlock: 2773e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2774e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP); 2775e705c121SKalle Valo return ret; 2776e705c121SKalle Valo } 2777e705c121SKalle Valo 2778e705c121SKalle Valo static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 2779e705c121SKalle Valo struct ieee80211_vif *vif) 2780e705c121SKalle Valo { 2781e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2782e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2783e705c121SKalle Valo 2784e705c121SKalle Valo iwl_mvm_prepare_mac_removal(mvm, vif); 2785e705c121SKalle Valo 2786e705c121SKalle Valo mutex_lock(&mvm->mutex); 2787e705c121SKalle Valo 2788e705c121SKalle Valo /* Handle AP stop while in CSA */ 2789e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_vif) == vif) { 2790e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, 2791e705c121SKalle Valo &mvmvif->time_event_data); 2792e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_vif, NULL); 2793e705c121SKalle Valo mvmvif->csa_countdown = false; 2794e705c121SKalle Valo } 2795e705c121SKalle Valo 2796e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 2797e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 2798e705c121SKalle Valo mvm->csa_tx_block_bcn_timeout = 0; 2799e705c121SKalle Valo } 2800e705c121SKalle Valo 2801e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2802e705c121SKalle Valo mvm->ap_last_beacon_gp2 = 0; 2803e705c121SKalle Valo 280447242744STova Mussai if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 280547242744STova Mussai iwl_mvm_vif_set_low_latency(mvmvif, false, 280647242744STova Mussai LOW_LATENCY_VIF_TYPE); 280747242744STova Mussai iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); 280847242744STova Mussai } 280947242744STova Mussai 2810e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2811e705c121SKalle Valo 2812e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS); 2813e705c121SKalle Valo 2814e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2815e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2816e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2817e705c121SKalle Valo 2818e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 2819ced19f26SSara Sharon 2820ced19f26SSara Sharon /* 2821ced19f26SSara Sharon * This is not very nice, but the simplest: 2822ced19f26SSara Sharon * For older FWs removing the mcast sta before the bcast station may 2823ced19f26SSara Sharon * cause assert 0x2b00. 2824ced19f26SSara Sharon * This is fixed in later FW (which will stop beaconing when removing 2825ced19f26SSara Sharon * bcast station). 2826ced19f26SSara Sharon * So make the order of removal depend on the TLV 2827ced19f26SSara Sharon */ 2828ced19f26SSara Sharon if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 282926d6c16bSSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2830e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2831ced19f26SSara Sharon if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 2832ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2833e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2834e705c121SKalle Valo 2835e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2836e705c121SKalle Valo 2837e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2838e705c121SKalle Valo 2839e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2840e705c121SKalle Valo } 2841e705c121SKalle Valo 2842e705c121SKalle Valo static void 2843e705c121SKalle Valo iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 2844e705c121SKalle Valo struct ieee80211_vif *vif, 2845e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2846e705c121SKalle Valo u32 changes) 2847e705c121SKalle Valo { 2848e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2849e705c121SKalle Valo 2850e705c121SKalle Valo /* Changes will be applied when the AP/IBSS is started */ 2851e705c121SKalle Valo if (!mvmvif->ap_ibss_active) 2852e705c121SKalle Valo return; 2853e705c121SKalle Valo 2854e705c121SKalle Valo if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 2855e705c121SKalle Valo BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 2856e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 2857e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2858e705c121SKalle Valo 2859e705c121SKalle Valo /* Need to send a new beacon template to the FW */ 2860e705c121SKalle Valo if (changes & BSS_CHANGED_BEACON && 2861e705c121SKalle Valo iwl_mvm_mac_ctxt_beacon_changed(mvm, vif)) 2862e705c121SKalle Valo IWL_WARN(mvm, "Failed updating beacon data\n"); 2863e705c121SKalle Valo 2864e705c121SKalle Valo if (changes & BSS_CHANGED_TXPOWER) { 2865e705c121SKalle Valo IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", 2866e705c121SKalle Valo bss_conf->txpower); 2867e705c121SKalle Valo iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 2868e705c121SKalle Valo } 2869b73f9a4aSJohannes Berg 2870b73f9a4aSJohannes Berg if (changes & BSS_CHANGED_FTM_RESPONDER) { 2871b73f9a4aSJohannes Berg int ret = iwl_mvm_ftm_start_responder(mvm, vif); 2872b73f9a4aSJohannes Berg 2873b73f9a4aSJohannes Berg if (ret) 2874b73f9a4aSJohannes Berg IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n", 2875b73f9a4aSJohannes Berg ret); 2876b73f9a4aSJohannes Berg } 2877b73f9a4aSJohannes Berg 2878e705c121SKalle Valo } 2879e705c121SKalle Valo 2880e705c121SKalle Valo static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 2881e705c121SKalle Valo struct ieee80211_vif *vif, 2882e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2883e705c121SKalle Valo u32 changes) 2884e705c121SKalle Valo { 2885e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2886e705c121SKalle Valo 2887e705c121SKalle Valo /* 2888e705c121SKalle Valo * iwl_mvm_bss_info_changed_station() might call 2889e705c121SKalle Valo * iwl_mvm_protect_session(), which reads directly from 2890e705c121SKalle Valo * the device (the system time), so make sure it is available. 2891e705c121SKalle Valo */ 2892e705c121SKalle Valo if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED)) 2893e705c121SKalle Valo return; 2894e705c121SKalle Valo 2895e705c121SKalle Valo mutex_lock(&mvm->mutex); 2896e705c121SKalle Valo 2897e705c121SKalle Valo if (changes & BSS_CHANGED_IDLE && !bss_conf->idle) 2898e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 2899e705c121SKalle Valo 2900e705c121SKalle Valo switch (vif->type) { 2901e705c121SKalle Valo case NL80211_IFTYPE_STATION: 2902e705c121SKalle Valo iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); 2903e705c121SKalle Valo break; 2904e705c121SKalle Valo case NL80211_IFTYPE_AP: 2905e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 2906e705c121SKalle Valo iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); 2907e705c121SKalle Valo break; 290891b08c2dSAviya Erenfeld case NL80211_IFTYPE_MONITOR: 290991b08c2dSAviya Erenfeld if (changes & BSS_CHANGED_MU_GROUPS) 291091b08c2dSAviya Erenfeld iwl_mvm_update_mu_groups(mvm, vif); 291191b08c2dSAviya Erenfeld break; 2912e705c121SKalle Valo default: 2913e705c121SKalle Valo /* shouldn't happen */ 2914e705c121SKalle Valo WARN_ON_ONCE(1); 2915e705c121SKalle Valo } 2916e705c121SKalle Valo 2917e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2918e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED); 2919e705c121SKalle Valo } 2920e705c121SKalle Valo 2921e705c121SKalle Valo static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, 2922e705c121SKalle Valo struct ieee80211_vif *vif, 2923e705c121SKalle Valo struct ieee80211_scan_request *hw_req) 2924e705c121SKalle Valo { 2925e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2926e705c121SKalle Valo int ret; 2927e705c121SKalle Valo 2928e705c121SKalle Valo if (hw_req->req.n_channels == 0 || 2929e705c121SKalle Valo hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 2930e705c121SKalle Valo return -EINVAL; 2931e705c121SKalle Valo 2932e705c121SKalle Valo mutex_lock(&mvm->mutex); 2933e705c121SKalle Valo ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 2934e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2935e705c121SKalle Valo 2936e705c121SKalle Valo return ret; 2937e705c121SKalle Valo } 2938e705c121SKalle Valo 2939e705c121SKalle Valo static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 2940e705c121SKalle Valo struct ieee80211_vif *vif) 2941e705c121SKalle Valo { 2942e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2943e705c121SKalle Valo 2944e705c121SKalle Valo mutex_lock(&mvm->mutex); 2945e705c121SKalle Valo 2946e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 2947e705c121SKalle Valo * us to stop a hw_scan when it's already stopped. This can 2948e705c121SKalle Valo * happen, for instance, if we stopped the scan ourselves, 2949e705c121SKalle Valo * called ieee80211_scan_completed() and the userspace called 2950e705c121SKalle Valo * cancel scan scan before ieee80211_scan_work() could run. 2951e705c121SKalle Valo * To handle that, simply return if the scan is not running. 2952e705c121SKalle Valo */ 2953e705c121SKalle Valo if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 2954e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 2955e705c121SKalle Valo 2956e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2957e705c121SKalle Valo } 2958e705c121SKalle Valo 2959e705c121SKalle Valo static void 2960e705c121SKalle Valo iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, 2961e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 2962e705c121SKalle Valo int num_frames, 2963e705c121SKalle Valo enum ieee80211_frame_release_type reason, 2964e705c121SKalle Valo bool more_data) 2965e705c121SKalle Valo { 2966e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2967e705c121SKalle Valo 2968e705c121SKalle Valo /* Called when we need to transmit (a) frame(s) from mac80211 */ 2969e705c121SKalle Valo 2970e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 2971e705c121SKalle Valo tids, more_data, false); 2972e705c121SKalle Valo } 2973e705c121SKalle Valo 2974e705c121SKalle Valo static void 2975e705c121SKalle Valo iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, 2976e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 2977e705c121SKalle Valo int num_frames, 2978e705c121SKalle Valo enum ieee80211_frame_release_type reason, 2979e705c121SKalle Valo bool more_data) 2980e705c121SKalle Valo { 2981e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2982e705c121SKalle Valo 29839a3fcf91SSara Sharon /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ 2984e705c121SKalle Valo 2985e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 2986e705c121SKalle Valo tids, more_data, true); 2987e705c121SKalle Valo } 2988e705c121SKalle Valo 298965e25482SJohannes Berg static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 2990e705c121SKalle Valo enum sta_notify_cmd cmd, 2991e705c121SKalle Valo struct ieee80211_sta *sta) 2992e705c121SKalle Valo { 2993e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2994e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 2995e705c121SKalle Valo unsigned long txqs = 0, tids = 0; 2996e705c121SKalle Valo int tid; 2997e705c121SKalle Valo 2998960f864bSJohannes Berg /* 2999960f864bSJohannes Berg * If we have TVQM then we get too high queue numbers - luckily 3000960f864bSJohannes Berg * we really shouldn't get here with that because such hardware 3001960f864bSJohannes Berg * should have firmware supporting buffer station offload. 3002960f864bSJohannes Berg */ 3003960f864bSJohannes Berg if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 3004960f864bSJohannes Berg return; 3005960f864bSJohannes Berg 3006e705c121SKalle Valo spin_lock_bh(&mvmsta->lock); 3007311590a3SEmmanuel Grumbach for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) { 3008e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 3009e705c121SKalle Valo 30106862fceeSSara Sharon if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 30111c17627bSSara Sharon continue; 30121c17627bSSara Sharon 3013e705c121SKalle Valo __set_bit(tid_data->txq_id, &txqs); 3014e705c121SKalle Valo 3015dd32162dSLiad Kaufman if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 3016e705c121SKalle Valo continue; 3017e705c121SKalle Valo 3018e705c121SKalle Valo __set_bit(tid, &tids); 3019e705c121SKalle Valo } 3020e705c121SKalle Valo 3021e705c121SKalle Valo switch (cmd) { 3022e705c121SKalle Valo case STA_NOTIFY_SLEEP: 3023e705c121SKalle Valo for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 3024e705c121SKalle Valo ieee80211_sta_set_buffered(sta, tid, true); 3025e705c121SKalle Valo 3026e705c121SKalle Valo if (txqs) 3027e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 3028e705c121SKalle Valo /* 3029e705c121SKalle Valo * The fw updates the STA to be asleep. Tx packets on the Tx 3030e705c121SKalle Valo * queues to this station will not be transmitted. The fw will 3031e705c121SKalle Valo * send a Tx response with TX_STATUS_FAIL_DEST_PS. 3032e705c121SKalle Valo */ 3033e705c121SKalle Valo break; 3034e705c121SKalle Valo case STA_NOTIFY_AWAKE: 30350ae98812SSara Sharon if (WARN_ON(mvmsta->sta_id == IWL_MVM_INVALID_STA)) 3036e705c121SKalle Valo break; 3037e705c121SKalle Valo 3038e705c121SKalle Valo if (txqs) 3039e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 3040e705c121SKalle Valo iwl_mvm_sta_modify_ps_wake(mvm, sta); 3041e705c121SKalle Valo break; 3042e705c121SKalle Valo default: 3043e705c121SKalle Valo break; 3044e705c121SKalle Valo } 3045e705c121SKalle Valo spin_unlock_bh(&mvmsta->lock); 3046e705c121SKalle Valo } 3047e705c121SKalle Valo 304865e25482SJohannes Berg static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 304965e25482SJohannes Berg struct ieee80211_vif *vif, 305065e25482SJohannes Berg enum sta_notify_cmd cmd, 305165e25482SJohannes Berg struct ieee80211_sta *sta) 305265e25482SJohannes Berg { 305365e25482SJohannes Berg __iwl_mvm_mac_sta_notify(hw, cmd, sta); 305465e25482SJohannes Berg } 305565e25482SJohannes Berg 305665e25482SJohannes Berg void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 305765e25482SJohannes Berg { 305865e25482SJohannes Berg struct iwl_rx_packet *pkt = rxb_addr(rxb); 305965e25482SJohannes Berg struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 306065e25482SJohannes Berg struct ieee80211_sta *sta; 306165e25482SJohannes Berg struct iwl_mvm_sta *mvmsta; 306265e25482SJohannes Berg bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 306365e25482SJohannes Berg 306465e25482SJohannes Berg if (WARN_ON(notif->sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))) 306565e25482SJohannes Berg return; 306665e25482SJohannes Berg 306765e25482SJohannes Berg rcu_read_lock(); 3068a9560029SSara Sharon sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 306965e25482SJohannes Berg if (WARN_ON(IS_ERR_OR_NULL(sta))) { 307065e25482SJohannes Berg rcu_read_unlock(); 307165e25482SJohannes Berg return; 307265e25482SJohannes Berg } 307365e25482SJohannes Berg 307465e25482SJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 307565e25482SJohannes Berg 307665e25482SJohannes Berg if (!mvmsta->vif || 307765e25482SJohannes Berg mvmsta->vif->type != NL80211_IFTYPE_AP) { 307865e25482SJohannes Berg rcu_read_unlock(); 307965e25482SJohannes Berg return; 308065e25482SJohannes Berg } 308165e25482SJohannes Berg 308265e25482SJohannes Berg if (mvmsta->sleeping != sleeping) { 308365e25482SJohannes Berg mvmsta->sleeping = sleeping; 308465e25482SJohannes Berg __iwl_mvm_mac_sta_notify(mvm->hw, 308565e25482SJohannes Berg sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 308665e25482SJohannes Berg sta); 308765e25482SJohannes Berg ieee80211_sta_ps_transition(sta, sleeping); 308865e25482SJohannes Berg } 308965e25482SJohannes Berg 309065e25482SJohannes Berg if (sleeping) { 309165e25482SJohannes Berg switch (notif->type) { 309265e25482SJohannes Berg case IWL_MVM_PM_EVENT_AWAKE: 309365e25482SJohannes Berg case IWL_MVM_PM_EVENT_ASLEEP: 309465e25482SJohannes Berg break; 309565e25482SJohannes Berg case IWL_MVM_PM_EVENT_UAPSD: 309665e25482SJohannes Berg ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 309765e25482SJohannes Berg break; 309865e25482SJohannes Berg case IWL_MVM_PM_EVENT_PS_POLL: 309965e25482SJohannes Berg ieee80211_sta_pspoll(sta); 310065e25482SJohannes Berg break; 310165e25482SJohannes Berg default: 310265e25482SJohannes Berg break; 310365e25482SJohannes Berg } 310465e25482SJohannes Berg } 310565e25482SJohannes Berg 310665e25482SJohannes Berg rcu_read_unlock(); 310765e25482SJohannes Berg } 310865e25482SJohannes Berg 3109e705c121SKalle Valo static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 3110e705c121SKalle Valo struct ieee80211_vif *vif, 3111e705c121SKalle Valo struct ieee80211_sta *sta) 3112e705c121SKalle Valo { 3113e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3114e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3115e705c121SKalle Valo 3116e705c121SKalle Valo /* 3117e705c121SKalle Valo * This is called before mac80211 does RCU synchronisation, 3118e705c121SKalle Valo * so here we already invalidate our internal RCU-protected 3119e705c121SKalle Valo * station pointer. The rest of the code will thus no longer 3120e705c121SKalle Valo * be able to find the station this way, and we don't rely 3121e705c121SKalle Valo * on further RCU synchronisation after the sta_state() 3122e705c121SKalle Valo * callback deleted the station. 3123e705c121SKalle Valo */ 3124e705c121SKalle Valo mutex_lock(&mvm->mutex); 3125e705c121SKalle Valo if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id])) 3126e705c121SKalle Valo rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], 3127e705c121SKalle Valo ERR_PTR(-ENOENT)); 3128e705c121SKalle Valo 3129e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3130e705c121SKalle Valo } 3131e705c121SKalle Valo 3132e705c121SKalle Valo static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 3133e705c121SKalle Valo const u8 *bssid) 3134e705c121SKalle Valo { 3135b0ffe455SJohannes Berg int i; 3136b0ffe455SJohannes Berg 3137b0ffe455SJohannes Berg if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 3138b0ffe455SJohannes Berg struct iwl_mvm_tcm_mac *mdata; 3139b0ffe455SJohannes Berg 3140b0ffe455SJohannes Berg mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; 3141b0ffe455SJohannes Berg ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); 3142b0ffe455SJohannes Berg mdata->opened_rx_ba_sessions = false; 3143b0ffe455SJohannes Berg } 3144b0ffe455SJohannes Berg 3145e705c121SKalle Valo if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 3146e705c121SKalle Valo return; 3147e705c121SKalle Valo 3148c5241b0cSAvraham Stern if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 3149cee5a882SAvri Altman vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3150cee5a882SAvri Altman return; 3151cee5a882SAvri Altman } 3152cee5a882SAvri Altman 315311dee0b4SEmmanuel Grumbach if (!vif->p2p && 315411dee0b4SEmmanuel Grumbach (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 3155e705c121SKalle Valo vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3156e705c121SKalle Valo return; 3157e705c121SKalle Valo } 3158e705c121SKalle Valo 3159b0ffe455SJohannes Berg for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { 3160b0ffe455SJohannes Berg if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { 3161b0ffe455SJohannes Berg vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3162b0ffe455SJohannes Berg return; 3163b0ffe455SJohannes Berg } 3164b0ffe455SJohannes Berg } 3165b0ffe455SJohannes Berg 3166e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 3167e705c121SKalle Valo } 3168e705c121SKalle Valo 31691e8f1329SGolan Ben-Ami static void 31701e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 31711e8f1329SGolan Ben-Ami struct ieee80211_vif *vif, u8 *peer_addr, 31721e8f1329SGolan Ben-Ami enum nl80211_tdls_operation action) 31731e8f1329SGolan Ben-Ami { 31741e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tlv *trig; 31751e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tdls *tdls_trig; 31761e8f1329SGolan Ben-Ami 31776c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 31786c042d75SSara Sharon FW_DBG_TRIGGER_TDLS); 31796c042d75SSara Sharon if (!trig) 31801e8f1329SGolan Ben-Ami return; 31811e8f1329SGolan Ben-Ami 31821e8f1329SGolan Ben-Ami tdls_trig = (void *)trig->data; 31831e8f1329SGolan Ben-Ami 31841e8f1329SGolan Ben-Ami if (!(tdls_trig->action_bitmap & BIT(action))) 31851e8f1329SGolan Ben-Ami return; 31861e8f1329SGolan Ben-Ami 31871e8f1329SGolan Ben-Ami if (tdls_trig->peer_mode && 31881e8f1329SGolan Ben-Ami memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 31891e8f1329SGolan Ben-Ami return; 31901e8f1329SGolan Ben-Ami 31917174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 31921e8f1329SGolan Ben-Ami "TDLS event occurred, peer %pM, action %d", 31931e8f1329SGolan Ben-Ami peer_addr, action); 31941e8f1329SGolan Ben-Ami } 31951e8f1329SGolan Ben-Ami 3196e705c121SKalle Valo static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 3197e705c121SKalle Valo struct ieee80211_vif *vif, 3198e705c121SKalle Valo struct ieee80211_sta *sta, 3199e705c121SKalle Valo enum ieee80211_sta_state old_state, 3200e705c121SKalle Valo enum ieee80211_sta_state new_state) 3201e705c121SKalle Valo { 3202e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3203e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 32046ea29ce5SJohannes Berg struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3205e705c121SKalle Valo int ret; 3206e705c121SKalle Valo 3207e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 3208e705c121SKalle Valo sta->addr, old_state, new_state); 3209e705c121SKalle Valo 3210e705c121SKalle Valo /* this would be a mac80211 bug ... but don't crash */ 3211e705c121SKalle Valo if (WARN_ON_ONCE(!mvmvif->phy_ctxt)) 3212e705c121SKalle Valo return -EINVAL; 3213e705c121SKalle Valo 321424afba76SLiad Kaufman /* 321524afba76SLiad Kaufman * If we are in a STA removal flow and in DQA mode: 321624afba76SLiad Kaufman * 321724afba76SLiad Kaufman * This is after the sync_rcu part, so the queues have already been 321824afba76SLiad Kaufman * flushed. No more TXs on their way in mac80211's path, and no more in 321924afba76SLiad Kaufman * the queues. 322024afba76SLiad Kaufman * Also, we won't be getting any new TX frames for this station. 322124afba76SLiad Kaufman * What we might have are deferred TX frames that need to be taken care 322224afba76SLiad Kaufman * of. 322324afba76SLiad Kaufman * 322424afba76SLiad Kaufman * Drop any still-queued deferred-frame before removing the STA, and 322524afba76SLiad Kaufman * make sure the worker is no longer handling frames for this STA. 322624afba76SLiad Kaufman */ 322724afba76SLiad Kaufman if (old_state == IEEE80211_STA_NONE && 3228c8f54701SJohannes Berg new_state == IEEE80211_STA_NOTEXIST) { 322924afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 323024afba76SLiad Kaufman 323124afba76SLiad Kaufman /* 323224afba76SLiad Kaufman * No need to make sure deferred TX indication is off since the 323324afba76SLiad Kaufman * worker will already remove it if it was on 323424afba76SLiad Kaufman */ 323524afba76SLiad Kaufman } 323624afba76SLiad Kaufman 3237e705c121SKalle Valo mutex_lock(&mvm->mutex); 32386ea29ce5SJohannes Berg /* track whether or not the station is associated */ 3239d94c5a82SGregory Greenman mvm_sta->sta_state = new_state; 32406ea29ce5SJohannes Berg 3241e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 3242e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 3243e705c121SKalle Valo /* 3244e705c121SKalle Valo * Firmware bug - it'll crash if the beacon interval is less 3245e705c121SKalle Valo * than 16. We can't avoid connecting at all, so refuse the 3246e705c121SKalle Valo * station state change, this will cause mac80211 to abandon 3247e705c121SKalle Valo * attempts to connect to this AP, and eventually wpa_s will 3248e705c121SKalle Valo * blacklist the AP... 3249e705c121SKalle Valo */ 3250e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && 3251e705c121SKalle Valo vif->bss_conf.beacon_int < 16) { 3252e705c121SKalle Valo IWL_ERR(mvm, 3253e705c121SKalle Valo "AP %pM beacon interval is %d, refusing due to firmware bug!\n", 3254e705c121SKalle Valo sta->addr, vif->bss_conf.beacon_int); 3255e705c121SKalle Valo ret = -EINVAL; 3256e705c121SKalle Valo goto out_unlock; 3257e705c121SKalle Valo } 3258e705c121SKalle Valo 3259e705c121SKalle Valo if (sta->tdls && 3260e705c121SKalle Valo (vif->p2p || 3261e705c121SKalle Valo iwl_mvm_tdls_sta_count(mvm, NULL) == 3262e705c121SKalle Valo IWL_MVM_TDLS_STA_COUNT || 3263e705c121SKalle Valo iwl_mvm_phy_ctx_count(mvm) > 1)) { 3264e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 3265e705c121SKalle Valo ret = -EBUSY; 3266e705c121SKalle Valo goto out_unlock; 3267e705c121SKalle Valo } 3268e705c121SKalle Valo 3269e705c121SKalle Valo ret = iwl_mvm_add_sta(mvm, vif, sta); 32701e8f1329SGolan Ben-Ami if (sta->tdls && ret == 0) { 3271e705c121SKalle Valo iwl_mvm_recalc_tdls_state(mvm, vif, true); 32721e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 32731e8f1329SGolan Ben-Ami NL80211_TDLS_SETUP); 32741e8f1329SGolan Ben-Ami } 3275438af969SSara Sharon 3276438af969SSara Sharon sta->max_rc_amsdu_len = 1; 3277e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 3278e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 3279e705c121SKalle Valo /* 3280e705c121SKalle Valo * EBS may be disabled due to previous failures reported by FW. 3281e705c121SKalle Valo * Reset EBS status here assuming environment has been changed. 3282e705c121SKalle Valo */ 3283e705c121SKalle Valo mvm->last_ebs_successful = true; 3284e705c121SKalle Valo iwl_mvm_check_uapsd(mvm, vif, sta->addr); 3285e705c121SKalle Valo ret = 0; 3286e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 3287e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 32888be30c13SAyala Beker if (vif->type == NL80211_IFTYPE_AP) { 32899394662aSLiad Kaufman vif->bss_conf.he_support = sta->he_cap.has_he; 32908be30c13SAyala Beker mvmvif->ap_assoc_sta_count++; 32918be30c13SAyala Beker iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 329202221a81SShaul Triebitz if (vif->bss_conf.he_support && 329302221a81SShaul Triebitz !iwlwifi_mod_params.disable_11ax) 329402221a81SShaul Triebitz iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->sta_id); 32959394662aSLiad Kaufman } else if (vif->type == NL80211_IFTYPE_STATION) { 32969394662aSLiad Kaufman vif->bss_conf.he_support = sta->he_cap.has_he; 32979394662aSLiad Kaufman iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 32988be30c13SAyala Beker } 3299735a0045SGoodstein, Mordechay 33003baf7528SAvraham Stern iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 33013baf7528SAvraham Stern false); 3302735a0045SGoodstein, Mordechay ret = iwl_mvm_update_sta(mvm, vif, sta); 3303e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 3304e705c121SKalle Valo new_state == IEEE80211_STA_AUTHORIZED) { 330528916a16SEmmanuel Grumbach ret = 0; 3306e705c121SKalle Valo 3307e705c121SKalle Valo /* we don't support TDLS during DCM */ 3308e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 3309e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 3310e705c121SKalle Valo 33111e8f1329SGolan Ben-Ami if (sta->tdls) 33121e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 33131e8f1329SGolan Ben-Ami NL80211_TDLS_ENABLE_LINK); 33141e8f1329SGolan Ben-Ami 3315e705c121SKalle Valo /* enable beacon filtering */ 3316e705c121SKalle Valo WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 33176b7a5aeaSNaftali Goldstein 33183baf7528SAvraham Stern iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 33193baf7528SAvraham Stern true); 3320e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTHORIZED && 3321e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 3322e705c121SKalle Valo /* disable beacon filtering */ 332369e508b4SIlan Peer ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 332469e508b4SIlan Peer WARN_ON(ret && 332569e508b4SIlan Peer !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 332669e508b4SIlan Peer &mvm->status)); 3327e705c121SKalle Valo ret = 0; 3328e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 3329e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 33308be30c13SAyala Beker if (vif->type == NL80211_IFTYPE_AP) { 33318be30c13SAyala Beker mvmvif->ap_assoc_sta_count--; 33328be30c13SAyala Beker iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 33338be30c13SAyala Beker } 3334e705c121SKalle Valo ret = 0; 3335e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 3336e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 3337e705c121SKalle Valo ret = 0; 3338e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 3339e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) { 3340e705c121SKalle Valo ret = iwl_mvm_rm_sta(mvm, vif, sta); 33411e8f1329SGolan Ben-Ami if (sta->tdls) { 3342e705c121SKalle Valo iwl_mvm_recalc_tdls_state(mvm, vif, false); 33431e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 33441e8f1329SGolan Ben-Ami NL80211_TDLS_DISABLE_LINK); 33451e8f1329SGolan Ben-Ami } 334634a880d8SLiad Kaufman 334744135b7cSIlan Peer if (unlikely(ret && 334844135b7cSIlan Peer test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 334944135b7cSIlan Peer &mvm->status))) 335044135b7cSIlan Peer ret = 0; 3351e705c121SKalle Valo } else { 3352e705c121SKalle Valo ret = -EIO; 3353e705c121SKalle Valo } 3354e705c121SKalle Valo out_unlock: 3355e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3356e705c121SKalle Valo 3357e705c121SKalle Valo if (sta->tdls && ret == 0) { 3358e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 3359e705c121SKalle Valo new_state == IEEE80211_STA_NONE) 3360e705c121SKalle Valo ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); 3361e705c121SKalle Valo else if (old_state == IEEE80211_STA_NONE && 3362e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) 3363e705c121SKalle Valo ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); 3364e705c121SKalle Valo } 3365e705c121SKalle Valo 3366e705c121SKalle Valo return ret; 3367e705c121SKalle Valo } 3368e705c121SKalle Valo 3369e705c121SKalle Valo static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 3370e705c121SKalle Valo { 3371e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3372e705c121SKalle Valo 3373e705c121SKalle Valo mvm->rts_threshold = value; 3374e705c121SKalle Valo 3375e705c121SKalle Valo return 0; 3376e705c121SKalle Valo } 3377e705c121SKalle Valo 3378e705c121SKalle Valo static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, 3379e705c121SKalle Valo struct ieee80211_vif *vif, 3380e705c121SKalle Valo struct ieee80211_sta *sta, u32 changed) 3381e705c121SKalle Valo { 3382e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3383dcfe3b10SJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3384dcfe3b10SJohannes Berg 3385dcfe3b10SJohannes Berg if (changed & (IEEE80211_RC_BW_CHANGED | 3386dcfe3b10SJohannes Berg IEEE80211_RC_SUPP_RATES_CHANGED | 3387dcfe3b10SJohannes Berg IEEE80211_RC_NSS_CHANGED)) 3388dcfe3b10SJohannes Berg iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 3389dcfe3b10SJohannes Berg true); 3390e705c121SKalle Valo 3391e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && 3392e705c121SKalle Valo changed & IEEE80211_RC_NSS_CHANGED) 3393e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 3394e705c121SKalle Valo } 3395e705c121SKalle Valo 3396e705c121SKalle Valo static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 3397e705c121SKalle Valo struct ieee80211_vif *vif, u16 ac, 3398e705c121SKalle Valo const struct ieee80211_tx_queue_params *params) 3399e705c121SKalle Valo { 3400e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3401e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3402e705c121SKalle Valo 3403e705c121SKalle Valo mvmvif->queue_params[ac] = *params; 3404e705c121SKalle Valo 3405e705c121SKalle Valo /* 3406e705c121SKalle Valo * No need to update right away, we'll get BSS_CHANGED_QOS 3407e705c121SKalle Valo * The exception is P2P_DEVICE interface which needs immediate update. 3408e705c121SKalle Valo */ 3409e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 3410e705c121SKalle Valo int ret; 3411e705c121SKalle Valo 3412e705c121SKalle Valo mutex_lock(&mvm->mutex); 3413e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 3414e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3415e705c121SKalle Valo return ret; 3416e705c121SKalle Valo } 3417e705c121SKalle Valo return 0; 3418e705c121SKalle Valo } 3419e705c121SKalle Valo 3420e705c121SKalle Valo static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 3421d4e36e55SIlan Peer struct ieee80211_vif *vif, 3422d4e36e55SIlan Peer u16 req_duration) 3423e705c121SKalle Valo { 3424e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 34257c70fee5SSara Sharon u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 34267c70fee5SSara Sharon u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 3427e705c121SKalle Valo 3428e705c121SKalle Valo /* 3429e705c121SKalle Valo * iwl_mvm_protect_session() reads directly from the device 3430e705c121SKalle Valo * (the system time), so make sure it is available. 3431e705c121SKalle Valo */ 3432e705c121SKalle Valo if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX)) 3433e705c121SKalle Valo return; 3434e705c121SKalle Valo 3435d4e36e55SIlan Peer if (req_duration > duration) 3436d4e36e55SIlan Peer duration = req_duration; 3437d4e36e55SIlan Peer 3438e705c121SKalle Valo mutex_lock(&mvm->mutex); 3439e705c121SKalle Valo /* Try really hard to protect the session and hear a beacon */ 3440e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false); 3441e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3442e705c121SKalle Valo 3443e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX); 3444e705c121SKalle Valo } 3445e705c121SKalle Valo 3446e705c121SKalle Valo static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 3447e705c121SKalle Valo struct ieee80211_vif *vif, 3448e705c121SKalle Valo struct cfg80211_sched_scan_request *req, 3449e705c121SKalle Valo struct ieee80211_scan_ies *ies) 3450e705c121SKalle Valo { 3451e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3452e705c121SKalle Valo 3453e705c121SKalle Valo int ret; 3454e705c121SKalle Valo 3455e705c121SKalle Valo mutex_lock(&mvm->mutex); 3456e705c121SKalle Valo 3457e705c121SKalle Valo if (!vif->bss_conf.idle) { 3458e705c121SKalle Valo ret = -EBUSY; 3459e705c121SKalle Valo goto out; 3460e705c121SKalle Valo } 3461e705c121SKalle Valo 3462e705c121SKalle Valo ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 3463e705c121SKalle Valo 3464e705c121SKalle Valo out: 3465e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3466e705c121SKalle Valo return ret; 3467e705c121SKalle Valo } 3468e705c121SKalle Valo 3469e705c121SKalle Valo static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 3470e705c121SKalle Valo struct ieee80211_vif *vif) 3471e705c121SKalle Valo { 3472e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3473e705c121SKalle Valo int ret; 3474e705c121SKalle Valo 3475e705c121SKalle Valo mutex_lock(&mvm->mutex); 3476e705c121SKalle Valo 3477e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 3478e705c121SKalle Valo * us to stop a sched_scan when it's already stopped. This 3479e705c121SKalle Valo * can happen, for instance, if we stopped the scan ourselves, 3480e705c121SKalle Valo * called ieee80211_sched_scan_stopped() and the userspace called 3481e705c121SKalle Valo * stop sched scan scan before ieee80211_sched_scan_stopped_work() 3482e705c121SKalle Valo * could run. To handle this, simply return if the scan is 3483e705c121SKalle Valo * not running. 3484e705c121SKalle Valo */ 3485e705c121SKalle Valo if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 3486e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3487e705c121SKalle Valo return 0; 3488e705c121SKalle Valo } 3489e705c121SKalle Valo 3490e705c121SKalle Valo ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 3491e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3492e705c121SKalle Valo iwl_mvm_wait_for_async_handlers(mvm); 3493e705c121SKalle Valo 3494e705c121SKalle Valo return ret; 3495e705c121SKalle Valo } 3496e705c121SKalle Valo 3497e705c121SKalle Valo static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 3498e705c121SKalle Valo enum set_key_cmd cmd, 3499e705c121SKalle Valo struct ieee80211_vif *vif, 3500e705c121SKalle Valo struct ieee80211_sta *sta, 3501e705c121SKalle Valo struct ieee80211_key_conf *key) 3502e705c121SKalle Valo { 3503c56e00a3SJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3504e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3505f5e28eacSJohannes Berg struct iwl_mvm_sta *mvmsta; 3506f5e28eacSJohannes Berg struct iwl_mvm_key_pn *ptk_pn; 3507f5e28eacSJohannes Berg int keyidx = key->keyidx; 3508c56e00a3SJohannes Berg int ret, i; 35094615fd15SEmmanuel Grumbach u8 key_offset; 3510e705c121SKalle Valo 35113b37f4c9SJohannes Berg if (iwlwifi_mod_params.swcrypto) { 3512e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n"); 3513e705c121SKalle Valo return -EOPNOTSUPP; 3514e705c121SKalle Valo } 3515e705c121SKalle Valo 3516e705c121SKalle Valo switch (key->cipher) { 3517e705c121SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 35187f768ad5SDavid Spinadel if (!mvm->trans->cfg->gen2) { 3519e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 35201ad4f639SEliad Peller key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 35217f768ad5SDavid Spinadel } else if (vif->type == NL80211_IFTYPE_STATION) { 35227f768ad5SDavid Spinadel key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; 35237f768ad5SDavid Spinadel } else { 35247f768ad5SDavid Spinadel IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); 35257f768ad5SDavid Spinadel return -EOPNOTSUPP; 35267f768ad5SDavid Spinadel } 3527e705c121SKalle Valo break; 3528e705c121SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 35292a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP: 35302a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP_256: 353185aeb58cSDavid Spinadel if (!iwl_mvm_has_new_tx_api(mvm)) 3532e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 3533e705c121SKalle Valo break; 3534e705c121SKalle Valo case WLAN_CIPHER_SUITE_AES_CMAC: 35358e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_128: 35368e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_256: 3537e705c121SKalle Valo WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 3538e705c121SKalle Valo break; 3539e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 3540e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 3541475c6bdeSJohannes Berg if (vif->type == NL80211_IFTYPE_STATION) 3542e705c121SKalle Valo break; 3543475c6bdeSJohannes Berg if (iwl_mvm_has_new_tx_api(mvm)) 3544475c6bdeSJohannes Berg return -EOPNOTSUPP; 3545475c6bdeSJohannes Berg /* support HW crypto on TX */ 3546475c6bdeSJohannes Berg return 0; 3547e705c121SKalle Valo default: 3548e705c121SKalle Valo /* currently FW supports only one optional cipher scheme */ 3549e705c121SKalle Valo if (hw->n_cipher_schemes && 3550e705c121SKalle Valo hw->cipher_schemes->cipher == key->cipher) 3551e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 3552e705c121SKalle Valo else 3553e705c121SKalle Valo return -EOPNOTSUPP; 3554e705c121SKalle Valo } 3555e705c121SKalle Valo 3556e705c121SKalle Valo mutex_lock(&mvm->mutex); 3557e705c121SKalle Valo 3558e705c121SKalle Valo switch (cmd) { 3559e705c121SKalle Valo case SET_KEY: 3560e705c121SKalle Valo if ((vif->type == NL80211_IFTYPE_ADHOC || 3561e705c121SKalle Valo vif->type == NL80211_IFTYPE_AP) && !sta) { 3562e705c121SKalle Valo /* 3563e705c121SKalle Valo * GTK on AP interface is a TX-only key, return 0; 3564e705c121SKalle Valo * on IBSS they're per-station and because we're lazy 3565e705c121SKalle Valo * we don't support them for RX, so do the same. 35668e160ab8SAyala Beker * CMAC/GMAC in AP/IBSS modes must be done in software. 3567e705c121SKalle Valo */ 35688e160ab8SAyala Beker if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 35698e160ab8SAyala Beker key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 35708e160ab8SAyala Beker key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256) 357181279c49SJohannes Berg ret = -EOPNOTSUPP; 357281279c49SJohannes Berg else 3573e705c121SKalle Valo ret = 0; 357485aeb58cSDavid Spinadel 357585aeb58cSDavid Spinadel if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 357685aeb58cSDavid Spinadel key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 357785aeb58cSDavid Spinadel !iwl_mvm_has_new_tx_api(mvm)) { 3578e705c121SKalle Valo key->hw_key_idx = STA_KEY_IDX_INVALID; 3579e705c121SKalle Valo break; 3580e705c121SKalle Valo } 3581c56e00a3SJohannes Berg 3582c56e00a3SJohannes Berg if (!mvmvif->ap_ibss_active) { 3583c56e00a3SJohannes Berg for (i = 0; 3584c56e00a3SJohannes Berg i < ARRAY_SIZE(mvmvif->ap_early_keys); 3585c56e00a3SJohannes Berg i++) { 3586c56e00a3SJohannes Berg if (!mvmvif->ap_early_keys[i]) { 3587c56e00a3SJohannes Berg mvmvif->ap_early_keys[i] = key; 3588c56e00a3SJohannes Berg break; 3589c56e00a3SJohannes Berg } 3590c56e00a3SJohannes Berg } 3591c56e00a3SJohannes Berg 3592c56e00a3SJohannes Berg if (i >= ARRAY_SIZE(mvmvif->ap_early_keys)) 3593c56e00a3SJohannes Berg ret = -ENOSPC; 3594c56e00a3SJohannes Berg 3595c56e00a3SJohannes Berg break; 3596c56e00a3SJohannes Berg } 359785aeb58cSDavid Spinadel } 3598e705c121SKalle Valo 3599e705c121SKalle Valo /* During FW restart, in order to restore the state as it was, 3600e705c121SKalle Valo * don't try to reprogram keys we previously failed for. 3601e705c121SKalle Valo */ 3602e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 3603e705c121SKalle Valo key->hw_key_idx == STA_KEY_IDX_INVALID) { 3604e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, 3605e705c121SKalle Valo "skip invalid idx key programming during restart\n"); 3606e705c121SKalle Valo ret = 0; 3607e705c121SKalle Valo break; 3608e705c121SKalle Valo } 3609e705c121SKalle Valo 3610f5e28eacSJohannes Berg if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 3611f5e28eacSJohannes Berg sta && iwl_mvm_has_new_rx_api(mvm) && 3612f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 3613f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 36142a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 36152a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 3616f5e28eacSJohannes Berg struct ieee80211_key_seq seq; 3617f5e28eacSJohannes Berg int tid, q; 3618f5e28eacSJohannes Berg 3619f5e28eacSJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 3620f5e28eacSJohannes Berg WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 3621acafe7e3SKees Cook ptk_pn = kzalloc(struct_size(ptk_pn, q, 3622acafe7e3SKees Cook mvm->trans->num_rx_queues), 3623f5e28eacSJohannes Berg GFP_KERNEL); 3624f5e28eacSJohannes Berg if (!ptk_pn) { 3625f5e28eacSJohannes Berg ret = -ENOMEM; 3626f5e28eacSJohannes Berg break; 3627f5e28eacSJohannes Berg } 3628f5e28eacSJohannes Berg 3629f5e28eacSJohannes Berg for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 3630f5e28eacSJohannes Berg ieee80211_get_key_rx_seq(key, tid, &seq); 3631f5e28eacSJohannes Berg for (q = 0; q < mvm->trans->num_rx_queues; q++) 3632f5e28eacSJohannes Berg memcpy(ptk_pn->q[q].pn[tid], 3633f5e28eacSJohannes Berg seq.ccmp.pn, 3634f5e28eacSJohannes Berg IEEE80211_CCMP_PN_LEN); 3635f5e28eacSJohannes Berg } 3636f5e28eacSJohannes Berg 3637f5e28eacSJohannes Berg rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 3638f5e28eacSJohannes Berg } 3639f5e28eacSJohannes Berg 36404615fd15SEmmanuel Grumbach /* in HW restart reuse the index, otherwise request a new one */ 36414615fd15SEmmanuel Grumbach if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 36424615fd15SEmmanuel Grumbach key_offset = key->hw_key_idx; 36434615fd15SEmmanuel Grumbach else 36444615fd15SEmmanuel Grumbach key_offset = STA_KEY_IDX_INVALID; 36454615fd15SEmmanuel Grumbach 3646e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n"); 36474615fd15SEmmanuel Grumbach ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 3648e705c121SKalle Valo if (ret) { 3649e705c121SKalle Valo IWL_WARN(mvm, "set key failed\n"); 3650475c6bdeSJohannes Berg key->hw_key_idx = STA_KEY_IDX_INVALID; 3651e705c121SKalle Valo /* 3652e705c121SKalle Valo * can't add key for RX, but we don't need it 3653475c6bdeSJohannes Berg * in the device for TX so still return 0, 3654475c6bdeSJohannes Berg * unless we have new TX API where we cannot 3655475c6bdeSJohannes Berg * put key material into the TX_CMD 3656e705c121SKalle Valo */ 3657475c6bdeSJohannes Berg if (iwl_mvm_has_new_tx_api(mvm)) 3658475c6bdeSJohannes Berg ret = -EOPNOTSUPP; 3659475c6bdeSJohannes Berg else 3660e705c121SKalle Valo ret = 0; 3661e705c121SKalle Valo } 3662e705c121SKalle Valo 3663e705c121SKalle Valo break; 3664e705c121SKalle Valo case DISABLE_KEY: 3665c56e00a3SJohannes Berg ret = -ENOENT; 3666c56e00a3SJohannes Berg for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 3667c56e00a3SJohannes Berg if (mvmvif->ap_early_keys[i] == key) { 3668c56e00a3SJohannes Berg mvmvif->ap_early_keys[i] = NULL; 3669c56e00a3SJohannes Berg ret = 0; 3670c56e00a3SJohannes Berg } 3671c56e00a3SJohannes Berg } 3672c56e00a3SJohannes Berg 3673c56e00a3SJohannes Berg /* found in pending list - don't do anything else */ 3674c56e00a3SJohannes Berg if (ret == 0) 3675c56e00a3SJohannes Berg break; 3676c56e00a3SJohannes Berg 3677e705c121SKalle Valo if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 3678e705c121SKalle Valo ret = 0; 3679e705c121SKalle Valo break; 3680e705c121SKalle Valo } 3681e705c121SKalle Valo 3682f5e28eacSJohannes Berg if (sta && iwl_mvm_has_new_rx_api(mvm) && 3683f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 3684f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 36852a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 36862a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 3687f5e28eacSJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 3688f5e28eacSJohannes Berg ptk_pn = rcu_dereference_protected( 3689f5e28eacSJohannes Berg mvmsta->ptk_pn[keyidx], 3690f5e28eacSJohannes Berg lockdep_is_held(&mvm->mutex)); 3691f5e28eacSJohannes Berg RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 3692f5e28eacSJohannes Berg if (ptk_pn) 3693f5e28eacSJohannes Berg kfree_rcu(ptk_pn, rcu_head); 3694f5e28eacSJohannes Berg } 3695f5e28eacSJohannes Berg 3696e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 3697e705c121SKalle Valo ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 3698e705c121SKalle Valo break; 3699e705c121SKalle Valo default: 3700e705c121SKalle Valo ret = -EINVAL; 3701e705c121SKalle Valo } 3702e705c121SKalle Valo 3703e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3704e705c121SKalle Valo return ret; 3705e705c121SKalle Valo } 3706e705c121SKalle Valo 3707e705c121SKalle Valo static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 3708e705c121SKalle Valo struct ieee80211_vif *vif, 3709e705c121SKalle Valo struct ieee80211_key_conf *keyconf, 3710e705c121SKalle Valo struct ieee80211_sta *sta, 3711e705c121SKalle Valo u32 iv32, u16 *phase1key) 3712e705c121SKalle Valo { 3713e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3714e705c121SKalle Valo 3715e705c121SKalle Valo if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 3716e705c121SKalle Valo return; 3717e705c121SKalle Valo 3718e705c121SKalle Valo iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 3719e705c121SKalle Valo } 3720e705c121SKalle Valo 3721e705c121SKalle Valo 3722e705c121SKalle Valo static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 3723e705c121SKalle Valo struct iwl_rx_packet *pkt, void *data) 3724e705c121SKalle Valo { 3725e705c121SKalle Valo struct iwl_mvm *mvm = 3726e705c121SKalle Valo container_of(notif_wait, struct iwl_mvm, notif_wait); 3727e705c121SKalle Valo struct iwl_hs20_roc_res *resp; 3728e705c121SKalle Valo int resp_len = iwl_rx_packet_payload_len(pkt); 3729e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = data; 3730e705c121SKalle Valo 3731e705c121SKalle Valo if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 3732e705c121SKalle Valo return true; 3733e705c121SKalle Valo 3734e705c121SKalle Valo if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 3735e705c121SKalle Valo IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 3736e705c121SKalle Valo return true; 3737e705c121SKalle Valo } 3738e705c121SKalle Valo 3739e705c121SKalle Valo resp = (void *)pkt->data; 3740e705c121SKalle Valo 3741e705c121SKalle Valo IWL_DEBUG_TE(mvm, 3742b71a9c35SColin Ian King "Aux ROC: Received response from ucode: status=%d uid=%d\n", 3743e705c121SKalle Valo resp->status, resp->event_unique_id); 3744e705c121SKalle Valo 3745e705c121SKalle Valo te_data->uid = le32_to_cpu(resp->event_unique_id); 3746e705c121SKalle Valo IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 3747e705c121SKalle Valo te_data->uid); 3748e705c121SKalle Valo 3749e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3750e705c121SKalle Valo list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 3751e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3752e705c121SKalle Valo 3753e705c121SKalle Valo return true; 3754e705c121SKalle Valo } 3755e705c121SKalle Valo 3756dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100) 3757dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200) 3758dc28e12fSMatti Gottlieb #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600) 3759dc28e12fSMatti Gottlieb #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20) 3760dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10) 3761e705c121SKalle Valo static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 3762e705c121SKalle Valo struct ieee80211_channel *channel, 3763e705c121SKalle Valo struct ieee80211_vif *vif, 3764e705c121SKalle Valo int duration) 3765e705c121SKalle Valo { 3766afc1e3b4SAvraham Stern int res; 3767e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3768e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 3769e705c121SKalle Valo static const u16 time_event_response[] = { HOT_SPOT_CMD }; 3770e705c121SKalle Valo struct iwl_notification_wait wait_time_event; 3771dc28e12fSMatti Gottlieb u32 dtim_interval = vif->bss_conf.dtim_period * 3772dc28e12fSMatti Gottlieb vif->bss_conf.beacon_int; 3773dc28e12fSMatti Gottlieb u32 req_dur, delay; 3774e705c121SKalle Valo struct iwl_hs20_roc_req aux_roc_req = { 3775e705c121SKalle Valo .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 3776e705c121SKalle Valo .id_and_color = 3777e705c121SKalle Valo cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 3778e705c121SKalle Valo .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 3779e705c121SKalle Valo }; 378057e861d9SDavid Spinadel struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm, 378157e861d9SDavid Spinadel &aux_roc_req.channel_info); 378257e861d9SDavid Spinadel u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm); 378357e861d9SDavid Spinadel 378457e861d9SDavid Spinadel /* Set the channel info data */ 378557e861d9SDavid Spinadel iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, 378657e861d9SDavid Spinadel (channel->band == NL80211_BAND_2GHZ) ? 378757e861d9SDavid Spinadel PHY_BAND_24 : PHY_BAND_5, 378857e861d9SDavid Spinadel PHY_VHT_CHANNEL_MODE20, 378957e861d9SDavid Spinadel 0); 379057e861d9SDavid Spinadel 379157e861d9SDavid Spinadel /* Set the time and duration */ 3792afc1e3b4SAvraham Stern tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm)); 3793e705c121SKalle Valo 3794dc28e12fSMatti Gottlieb delay = AUX_ROC_MIN_DELAY; 3795dc28e12fSMatti Gottlieb req_dur = MSEC_TO_TU(duration); 3796dc28e12fSMatti Gottlieb 3797dc28e12fSMatti Gottlieb /* 3798dc28e12fSMatti Gottlieb * If we are associated we want the delay time to be at least one 3799dc28e12fSMatti Gottlieb * dtim interval so that the FW can wait until after the DTIM and 3800dc28e12fSMatti Gottlieb * then start the time event, this will potentially allow us to 3801dc28e12fSMatti Gottlieb * remain off-channel for the max duration. 3802dc28e12fSMatti Gottlieb * Since we want to use almost a whole dtim interval we would also 3803dc28e12fSMatti Gottlieb * like the delay to be for 2-3 dtim intervals, in case there are 3804dc28e12fSMatti Gottlieb * other time events with higher priority. 3805dc28e12fSMatti Gottlieb */ 3806dc28e12fSMatti Gottlieb if (vif->bss_conf.assoc) { 3807dc28e12fSMatti Gottlieb delay = min_t(u32, dtim_interval * 3, AUX_ROC_MAX_DELAY); 3808dc28e12fSMatti Gottlieb /* We cannot remain off-channel longer than the DTIM interval */ 3809dc28e12fSMatti Gottlieb if (dtim_interval <= req_dur) { 3810dc28e12fSMatti Gottlieb req_dur = dtim_interval - AUX_ROC_SAFETY_BUFFER; 3811dc28e12fSMatti Gottlieb if (req_dur <= AUX_ROC_MIN_DURATION) 3812dc28e12fSMatti Gottlieb req_dur = dtim_interval - 3813dc28e12fSMatti Gottlieb AUX_ROC_MIN_SAFETY_BUFFER; 3814dc28e12fSMatti Gottlieb } 3815dc28e12fSMatti Gottlieb } 3816dc28e12fSMatti Gottlieb 381757e861d9SDavid Spinadel tail->duration = cpu_to_le32(req_dur); 381857e861d9SDavid Spinadel tail->apply_time_max_delay = cpu_to_le32(delay); 3819dc28e12fSMatti Gottlieb 3820dc28e12fSMatti Gottlieb IWL_DEBUG_TE(mvm, 3821dc28e12fSMatti Gottlieb "ROC: Requesting to remain on channel %u for %ums (requested = %ums, max_delay = %ums, dtim_interval = %ums)\n", 3822dc28e12fSMatti Gottlieb channel->hw_value, req_dur, duration, delay, 3823dc28e12fSMatti Gottlieb dtim_interval); 3824e705c121SKalle Valo /* Set the node address */ 382557e861d9SDavid Spinadel memcpy(tail->node_addr, vif->addr, ETH_ALEN); 3826e705c121SKalle Valo 3827e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3828e705c121SKalle Valo 3829e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3830e705c121SKalle Valo 3831e705c121SKalle Valo if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 3832e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3833e705c121SKalle Valo return -EIO; 3834e705c121SKalle Valo } 3835e705c121SKalle Valo 3836e705c121SKalle Valo te_data->vif = vif; 3837e705c121SKalle Valo te_data->duration = duration; 3838e705c121SKalle Valo te_data->id = HOT_SPOT_CMD; 3839e705c121SKalle Valo 3840e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3841e705c121SKalle Valo 3842e705c121SKalle Valo /* 3843e705c121SKalle Valo * Use a notification wait, which really just processes the 3844e705c121SKalle Valo * command response and doesn't wait for anything, in order 3845e705c121SKalle Valo * to be able to process the response and get the UID inside 3846e705c121SKalle Valo * the RX path. Using CMD_WANT_SKB doesn't work because it 3847e705c121SKalle Valo * stores the buffer and then wakes up this thread, by which 3848e705c121SKalle Valo * time another notification (that the time event started) 3849e705c121SKalle Valo * might already be processed unsuccessfully. 3850e705c121SKalle Valo */ 3851e705c121SKalle Valo iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 3852e705c121SKalle Valo time_event_response, 3853e705c121SKalle Valo ARRAY_SIZE(time_event_response), 3854e705c121SKalle Valo iwl_mvm_rx_aux_roc, te_data); 3855e705c121SKalle Valo 385657e861d9SDavid Spinadel res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len, 3857e705c121SKalle Valo &aux_roc_req); 3858e705c121SKalle Valo 3859e705c121SKalle Valo if (res) { 3860e705c121SKalle Valo IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 3861e705c121SKalle Valo iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 3862e705c121SKalle Valo goto out_clear_te; 3863e705c121SKalle Valo } 3864e705c121SKalle Valo 3865e705c121SKalle Valo /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 3866e705c121SKalle Valo res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 3867e705c121SKalle Valo /* should never fail */ 3868e705c121SKalle Valo WARN_ON_ONCE(res); 3869e705c121SKalle Valo 3870e705c121SKalle Valo if (res) { 3871e705c121SKalle Valo out_clear_te: 3872e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3873e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, te_data); 3874e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3875e705c121SKalle Valo } 3876e705c121SKalle Valo 3877e705c121SKalle Valo return res; 3878e705c121SKalle Valo } 3879e705c121SKalle Valo 3880e705c121SKalle Valo static int iwl_mvm_roc(struct ieee80211_hw *hw, 3881e705c121SKalle Valo struct ieee80211_vif *vif, 3882e705c121SKalle Valo struct ieee80211_channel *channel, 3883e705c121SKalle Valo int duration, 3884e705c121SKalle Valo enum ieee80211_roc_type type) 3885e705c121SKalle Valo { 3886e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3887e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3888e705c121SKalle Valo struct cfg80211_chan_def chandef; 3889e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 3890e705c121SKalle Valo int ret, i; 3891e705c121SKalle Valo 3892e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 3893e705c121SKalle Valo duration, type); 3894e705c121SKalle Valo 38959834781cSJohannes Berg /* 38969834781cSJohannes Berg * Flush the done work, just in case it's still pending, so that 38979834781cSJohannes Berg * the work it does can complete and we can accept new frames. 38989834781cSJohannes Berg */ 3899e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 3900e705c121SKalle Valo 3901e705c121SKalle Valo mutex_lock(&mvm->mutex); 3902e705c121SKalle Valo 3903e705c121SKalle Valo switch (vif->type) { 3904e705c121SKalle Valo case NL80211_IFTYPE_STATION: 3905e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 3906e705c121SKalle Valo IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 3907e705c121SKalle Valo /* Use aux roc framework (HS20) */ 3908e705c121SKalle Valo ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, 3909e705c121SKalle Valo vif, duration); 3910e705c121SKalle Valo goto out_unlock; 3911e705c121SKalle Valo } 3912e705c121SKalle Valo IWL_ERR(mvm, "hotspot not supported\n"); 3913e705c121SKalle Valo ret = -EINVAL; 3914e705c121SKalle Valo goto out_unlock; 3915e705c121SKalle Valo case NL80211_IFTYPE_P2P_DEVICE: 3916e705c121SKalle Valo /* handle below */ 3917e705c121SKalle Valo break; 3918e705c121SKalle Valo default: 3919e705c121SKalle Valo IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type); 3920e705c121SKalle Valo ret = -EINVAL; 3921e705c121SKalle Valo goto out_unlock; 3922e705c121SKalle Valo } 3923e705c121SKalle Valo 3924e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) { 3925e705c121SKalle Valo phy_ctxt = &mvm->phy_ctxts[i]; 3926e705c121SKalle Valo if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt) 3927e705c121SKalle Valo continue; 3928e705c121SKalle Valo 3929e705c121SKalle Valo if (phy_ctxt->ref && channel == phy_ctxt->channel) { 3930e705c121SKalle Valo /* 3931e705c121SKalle Valo * Unbind the P2P_DEVICE from the current PHY context, 3932e705c121SKalle Valo * and if the PHY context is not used remove it. 3933e705c121SKalle Valo */ 3934e705c121SKalle Valo ret = iwl_mvm_binding_remove_vif(mvm, vif); 3935e705c121SKalle Valo if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 3936e705c121SKalle Valo goto out_unlock; 3937e705c121SKalle Valo 3938e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 3939e705c121SKalle Valo 3940e705c121SKalle Valo /* Bind the P2P_DEVICE to the current PHY Context */ 3941e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 3942e705c121SKalle Valo 3943e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 3944e705c121SKalle Valo if (WARN(ret, "Failed binding P2P_DEVICE\n")) 3945e705c121SKalle Valo goto out_unlock; 3946e705c121SKalle Valo 3947e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 3948e705c121SKalle Valo goto schedule_time_event; 3949e705c121SKalle Valo } 3950e705c121SKalle Valo } 3951e705c121SKalle Valo 3952e705c121SKalle Valo /* Need to update the PHY context only if the ROC channel changed */ 3953e705c121SKalle Valo if (channel == mvmvif->phy_ctxt->channel) 3954e705c121SKalle Valo goto schedule_time_event; 3955e705c121SKalle Valo 3956e705c121SKalle Valo cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 3957e705c121SKalle Valo 3958e705c121SKalle Valo /* 3959e705c121SKalle Valo * Change the PHY context configuration as it is currently referenced 3960e705c121SKalle Valo * only by the P2P Device MAC 3961e705c121SKalle Valo */ 3962e705c121SKalle Valo if (mvmvif->phy_ctxt->ref == 1) { 3963e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt, 3964e705c121SKalle Valo &chandef, 1, 1); 3965e705c121SKalle Valo if (ret) 3966e705c121SKalle Valo goto out_unlock; 3967e705c121SKalle Valo } else { 3968e705c121SKalle Valo /* 3969e705c121SKalle Valo * The PHY context is shared with other MACs. Need to remove the 3970e705c121SKalle Valo * P2P Device from the binding, allocate an new PHY context and 3971e705c121SKalle Valo * create a new binding 3972e705c121SKalle Valo */ 3973e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 3974e705c121SKalle Valo if (!phy_ctxt) { 3975e705c121SKalle Valo ret = -ENOSPC; 3976e705c121SKalle Valo goto out_unlock; 3977e705c121SKalle Valo } 3978e705c121SKalle Valo 3979e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef, 3980e705c121SKalle Valo 1, 1); 3981e705c121SKalle Valo if (ret) { 3982e705c121SKalle Valo IWL_ERR(mvm, "Failed to change PHY context\n"); 3983e705c121SKalle Valo goto out_unlock; 3984e705c121SKalle Valo } 3985e705c121SKalle Valo 3986e705c121SKalle Valo /* Unbind the P2P_DEVICE from the current PHY context */ 3987e705c121SKalle Valo ret = iwl_mvm_binding_remove_vif(mvm, vif); 3988e705c121SKalle Valo if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 3989e705c121SKalle Valo goto out_unlock; 3990e705c121SKalle Valo 3991e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 3992e705c121SKalle Valo 3993e705c121SKalle Valo /* Bind the P2P_DEVICE to the new allocated PHY context */ 3994e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 3995e705c121SKalle Valo 3996e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 3997e705c121SKalle Valo if (WARN(ret, "Failed binding P2P_DEVICE\n")) 3998e705c121SKalle Valo goto out_unlock; 3999e705c121SKalle Valo 4000e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 4001e705c121SKalle Valo } 4002e705c121SKalle Valo 4003e705c121SKalle Valo schedule_time_event: 4004e705c121SKalle Valo /* Schedule the time events */ 4005e705c121SKalle Valo ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 4006e705c121SKalle Valo 4007e705c121SKalle Valo out_unlock: 4008e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4009e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 4010e705c121SKalle Valo return ret; 4011e705c121SKalle Valo } 4012e705c121SKalle Valo 40135db4c4b9SEmmanuel Grumbach static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw, 40145db4c4b9SEmmanuel Grumbach struct ieee80211_vif *vif) 4015e705c121SKalle Valo { 4016e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4017e705c121SKalle Valo 4018e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter\n"); 4019e705c121SKalle Valo 4020e705c121SKalle Valo mutex_lock(&mvm->mutex); 4021e705c121SKalle Valo iwl_mvm_stop_roc(mvm); 4022e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4023e705c121SKalle Valo 4024e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 4025e705c121SKalle Valo return 0; 4026e705c121SKalle Valo } 4027e705c121SKalle Valo 4028b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data { 4029b73f9a4aSJohannes Berg bool responder; 4030b73f9a4aSJohannes Berg struct ieee80211_chanctx_conf *ctx; 4031b73f9a4aSJohannes Berg }; 4032b73f9a4aSJohannes Berg 4033b73f9a4aSJohannes Berg static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac, 4034b73f9a4aSJohannes Berg struct ieee80211_vif *vif) 4035b73f9a4aSJohannes Berg { 4036b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data *data = _data; 4037b73f9a4aSJohannes Berg 4038b73f9a4aSJohannes Berg if (rcu_access_pointer(vif->chanctx_conf) == data->ctx && 4039b73f9a4aSJohannes Berg vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params) 4040b73f9a4aSJohannes Berg data->responder = true; 4041b73f9a4aSJohannes Berg } 4042b73f9a4aSJohannes Berg 4043b73f9a4aSJohannes Berg static bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm, 4044b73f9a4aSJohannes Berg struct ieee80211_chanctx_conf *ctx) 4045b73f9a4aSJohannes Berg { 4046b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data data = { 4047b73f9a4aSJohannes Berg .responder = false, 4048b73f9a4aSJohannes Berg .ctx = ctx, 4049b73f9a4aSJohannes Berg }; 4050b73f9a4aSJohannes Berg 4051b73f9a4aSJohannes Berg ieee80211_iterate_active_interfaces_atomic(mvm->hw, 4052b73f9a4aSJohannes Berg IEEE80211_IFACE_ITER_NORMAL, 4053b73f9a4aSJohannes Berg iwl_mvm_ftm_responder_chanctx_iter, 4054b73f9a4aSJohannes Berg &data); 4055b73f9a4aSJohannes Berg return data.responder; 4056b73f9a4aSJohannes Berg } 4057b73f9a4aSJohannes Berg 4058e705c121SKalle Valo static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 4059e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4060e705c121SKalle Valo { 4061e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4062e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 4063b73f9a4aSJohannes Berg bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); 4064b73f9a4aSJohannes Berg struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; 4065e705c121SKalle Valo int ret; 4066e705c121SKalle Valo 4067e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4068e705c121SKalle Valo 4069e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 4070e705c121SKalle Valo 4071e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4072e705c121SKalle Valo if (!phy_ctxt) { 4073e705c121SKalle Valo ret = -ENOSPC; 4074e705c121SKalle Valo goto out; 4075e705c121SKalle Valo } 4076e705c121SKalle Valo 4077b73f9a4aSJohannes Berg ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, 4078e705c121SKalle Valo ctx->rx_chains_static, 4079e705c121SKalle Valo ctx->rx_chains_dynamic); 4080e705c121SKalle Valo if (ret) { 4081e705c121SKalle Valo IWL_ERR(mvm, "Failed to add PHY context\n"); 4082e705c121SKalle Valo goto out; 4083e705c121SKalle Valo } 4084e705c121SKalle Valo 4085e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt); 4086e705c121SKalle Valo *phy_ctxt_id = phy_ctxt->id; 4087e705c121SKalle Valo out: 4088e705c121SKalle Valo return ret; 4089e705c121SKalle Valo } 4090e705c121SKalle Valo 4091e705c121SKalle Valo static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 4092e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4093e705c121SKalle Valo { 4094e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4095e705c121SKalle Valo int ret; 4096e705c121SKalle Valo 4097e705c121SKalle Valo mutex_lock(&mvm->mutex); 4098e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, ctx); 4099e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4100e705c121SKalle Valo 4101e705c121SKalle Valo return ret; 4102e705c121SKalle Valo } 4103e705c121SKalle Valo 4104e705c121SKalle Valo static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 4105e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4106e705c121SKalle Valo { 4107e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4108e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4109e705c121SKalle Valo 4110e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4111e705c121SKalle Valo 4112e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 4113e705c121SKalle Valo } 4114e705c121SKalle Valo 4115e705c121SKalle Valo static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 4116e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4117e705c121SKalle Valo { 4118e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4119e705c121SKalle Valo 4120e705c121SKalle Valo mutex_lock(&mvm->mutex); 4121e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, ctx); 4122e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4123e705c121SKalle Valo } 4124e705c121SKalle Valo 4125e705c121SKalle Valo static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 4126e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 4127e705c121SKalle Valo u32 changed) 4128e705c121SKalle Valo { 4129e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4130e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4131e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4132b73f9a4aSJohannes Berg bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); 4133b73f9a4aSJohannes Berg struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; 4134e705c121SKalle Valo 4135e705c121SKalle Valo if (WARN_ONCE((phy_ctxt->ref > 1) && 4136e705c121SKalle Valo (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 4137e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 4138e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RADAR | 4139e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), 4140e705c121SKalle Valo "Cannot change PHY. Ref=%d, changed=0x%X\n", 4141e705c121SKalle Valo phy_ctxt->ref, changed)) 4142e705c121SKalle Valo return; 4143e705c121SKalle Valo 4144e705c121SKalle Valo mutex_lock(&mvm->mutex); 41457a20bcceSEmmanuel Grumbach 41467a20bcceSEmmanuel Grumbach /* we are only changing the min_width, may be a noop */ 41477a20bcceSEmmanuel Grumbach if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) { 4148b73f9a4aSJohannes Berg if (phy_ctxt->width == def->width) 41497a20bcceSEmmanuel Grumbach goto out_unlock; 41507a20bcceSEmmanuel Grumbach 41517a20bcceSEmmanuel Grumbach /* we are just toggling between 20_NOHT and 20 */ 41527a20bcceSEmmanuel Grumbach if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && 4153b73f9a4aSJohannes Berg def->width <= NL80211_CHAN_WIDTH_20) 41547a20bcceSEmmanuel Grumbach goto out_unlock; 41557a20bcceSEmmanuel Grumbach } 41567a20bcceSEmmanuel Grumbach 4157e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 4158b73f9a4aSJohannes Berg iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, 4159e705c121SKalle Valo ctx->rx_chains_static, 4160e705c121SKalle Valo ctx->rx_chains_dynamic); 41617a20bcceSEmmanuel Grumbach 41627a20bcceSEmmanuel Grumbach out_unlock: 4163e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4164e705c121SKalle Valo } 4165e705c121SKalle Valo 4166e705c121SKalle Valo static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 4167e705c121SKalle Valo struct ieee80211_vif *vif, 4168e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 4169e705c121SKalle Valo bool switching_chanctx) 4170e705c121SKalle Valo { 4171e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4172e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4173e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4174e705c121SKalle Valo int ret; 4175e705c121SKalle Valo 4176e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4177e705c121SKalle Valo 4178e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 4179e705c121SKalle Valo 4180e705c121SKalle Valo switch (vif->type) { 4181e705c121SKalle Valo case NL80211_IFTYPE_AP: 4182e705c121SKalle Valo /* only needed if we're switching chanctx (i.e. during CSA) */ 4183e705c121SKalle Valo if (switching_chanctx) { 4184e705c121SKalle Valo mvmvif->ap_ibss_active = true; 4185e705c121SKalle Valo break; 4186e705c121SKalle Valo } 4187244726ecSLuca Coelho /* fall through */ 4188e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 4189e705c121SKalle Valo /* 4190e705c121SKalle Valo * The AP binding flow is handled as part of the start_ap flow 4191e705c121SKalle Valo * (in bss_info_changed), similarly for IBSS. 4192e705c121SKalle Valo */ 4193e705c121SKalle Valo ret = 0; 4194e705c121SKalle Valo goto out; 4195e705c121SKalle Valo case NL80211_IFTYPE_STATION: 419619125cb0SAndrei Otcheretianski mvmvif->csa_bcn_pending = false; 4197e705c121SKalle Valo break; 4198e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 4199e705c121SKalle Valo /* always disable PS when a monitor interface is active */ 4200e705c121SKalle Valo mvmvif->ps_disabled = true; 4201e705c121SKalle Valo break; 4202e705c121SKalle Valo default: 4203e705c121SKalle Valo ret = -EINVAL; 4204e705c121SKalle Valo goto out; 4205e705c121SKalle Valo } 4206e705c121SKalle Valo 4207e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 4208e705c121SKalle Valo if (ret) 4209e705c121SKalle Valo goto out; 4210e705c121SKalle Valo 4211e705c121SKalle Valo /* 4212e705c121SKalle Valo * Power state must be updated before quotas, 4213e705c121SKalle Valo * otherwise fw will complain. 4214e705c121SKalle Valo */ 4215e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4216e705c121SKalle Valo 4217e705c121SKalle Valo /* Setting the quota at this stage is only required for monitor 4218e705c121SKalle Valo * interfaces. For the other types, the bss_info changed flow 4219e705c121SKalle Valo * will handle quota settings. 4220e705c121SKalle Valo */ 4221e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_MONITOR) { 4222e705c121SKalle Valo mvmvif->monitor_active = true; 4223e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 4224e705c121SKalle Valo if (ret) 4225e705c121SKalle Valo goto out_remove_binding; 42260e39eb03SChaya Rachel Ivgi 42270e39eb03SChaya Rachel Ivgi ret = iwl_mvm_add_snif_sta(mvm, vif); 42280e39eb03SChaya Rachel Ivgi if (ret) 42290e39eb03SChaya Rachel Ivgi goto out_remove_binding; 42300e39eb03SChaya Rachel Ivgi 4231e705c121SKalle Valo } 4232e705c121SKalle Valo 4233e705c121SKalle Valo /* Handle binding during CSA */ 4234e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) { 4235e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 4236e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4237e705c121SKalle Valo } 4238e705c121SKalle Valo 4239e705c121SKalle Valo if (switching_chanctx && vif->type == NL80211_IFTYPE_STATION) { 424074a10252SSara Sharon mvmvif->csa_bcn_pending = true; 424174a10252SSara Sharon 424274a10252SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, 424374a10252SSara Sharon IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 424419125cb0SAndrei Otcheretianski u32 duration = 3 * vif->bss_conf.beacon_int; 4245e705c121SKalle Valo 424674a10252SSara Sharon 4247e705c121SKalle Valo /* iwl_mvm_protect_session() reads directly from the 4248e705c121SKalle Valo * device (the system time), so make sure it is 4249e705c121SKalle Valo * available. 4250e705c121SKalle Valo */ 4251e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_CSA); 4252e705c121SKalle Valo if (ret) 4253e705c121SKalle Valo goto out_remove_binding; 4254e705c121SKalle Valo 4255e705c121SKalle Valo /* Protect the session to make sure we hear the first 4256e705c121SKalle Valo * beacon on the new channel. 4257e705c121SKalle Valo */ 4258e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, duration, duration, 4259e705c121SKalle Valo vif->bss_conf.beacon_int / 2, 4260e705c121SKalle Valo true); 4261e705c121SKalle Valo 4262e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_CSA); 426374a10252SSara Sharon } 4264e705c121SKalle Valo 4265e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 4266e705c121SKalle Valo } 4267e705c121SKalle Valo 4268e705c121SKalle Valo goto out; 4269e705c121SKalle Valo 4270e705c121SKalle Valo out_remove_binding: 4271e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 4272e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4273e705c121SKalle Valo out: 4274e705c121SKalle Valo if (ret) 4275e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 4276e705c121SKalle Valo return ret; 4277e705c121SKalle Valo } 4278e705c121SKalle Valo static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 4279e705c121SKalle Valo struct ieee80211_vif *vif, 4280e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4281e705c121SKalle Valo { 4282e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4283e705c121SKalle Valo int ret; 4284e705c121SKalle Valo 4285e705c121SKalle Valo mutex_lock(&mvm->mutex); 4286e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false); 4287e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4288e705c121SKalle Valo 4289e705c121SKalle Valo return ret; 4290e705c121SKalle Valo } 4291e705c121SKalle Valo 4292e705c121SKalle Valo static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 4293e705c121SKalle Valo struct ieee80211_vif *vif, 4294e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 4295e705c121SKalle Valo bool switching_chanctx) 4296e705c121SKalle Valo { 4297e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4298e705c121SKalle Valo struct ieee80211_vif *disabled_vif = NULL; 4299e705c121SKalle Valo 4300e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4301e705c121SKalle Valo 4302e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data); 4303e705c121SKalle Valo 4304e705c121SKalle Valo switch (vif->type) { 4305e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 4306e705c121SKalle Valo goto out; 4307e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 4308e705c121SKalle Valo mvmvif->monitor_active = false; 4309e705c121SKalle Valo mvmvif->ps_disabled = false; 43100e39eb03SChaya Rachel Ivgi iwl_mvm_rm_snif_sta(mvm, vif); 4311e705c121SKalle Valo break; 4312e705c121SKalle Valo case NL80211_IFTYPE_AP: 4313e705c121SKalle Valo /* This part is triggered only during CSA */ 4314e705c121SKalle Valo if (!switching_chanctx || !mvmvif->ap_ibss_active) 4315e705c121SKalle Valo goto out; 4316e705c121SKalle Valo 4317e705c121SKalle Valo mvmvif->csa_countdown = false; 4318e705c121SKalle Valo 4319e705c121SKalle Valo /* Set CS bit on all the stations */ 4320e705c121SKalle Valo iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 4321e705c121SKalle Valo 4322e705c121SKalle Valo /* Save blocked iface, the timeout is set on the next beacon */ 4323e705c121SKalle Valo rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 4324e705c121SKalle Valo 4325e705c121SKalle Valo mvmvif->ap_ibss_active = false; 4326e705c121SKalle Valo break; 4327e705c121SKalle Valo case NL80211_IFTYPE_STATION: 4328e705c121SKalle Valo if (!switching_chanctx) 4329e705c121SKalle Valo break; 4330e705c121SKalle Valo 4331e705c121SKalle Valo disabled_vif = vif; 4332e705c121SKalle Valo 433374a10252SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, 433474a10252SSara Sharon IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 4335e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 4336e705c121SKalle Valo break; 4337e705c121SKalle Valo default: 4338e705c121SKalle Valo break; 4339e705c121SKalle Valo } 4340e705c121SKalle Valo 4341e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, disabled_vif); 4342e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 4343e705c121SKalle Valo 4344e705c121SKalle Valo out: 4345e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 4346e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4347e705c121SKalle Valo } 4348e705c121SKalle Valo 4349e705c121SKalle Valo static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 4350e705c121SKalle Valo struct ieee80211_vif *vif, 4351e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4352e705c121SKalle Valo { 4353e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4354e705c121SKalle Valo 4355e705c121SKalle Valo mutex_lock(&mvm->mutex); 4356e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false); 4357e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4358e705c121SKalle Valo } 4359e705c121SKalle Valo 4360e705c121SKalle Valo static int 4361e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 4362e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs) 4363e705c121SKalle Valo { 4364e705c121SKalle Valo int ret; 4365e705c121SKalle Valo 4366e705c121SKalle Valo mutex_lock(&mvm->mutex); 4367e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); 4368e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 4369e705c121SKalle Valo 4370e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 4371e705c121SKalle Valo if (ret) { 4372e705c121SKalle Valo IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 4373e705c121SKalle Valo goto out_reassign; 4374e705c121SKalle Valo } 4375e705c121SKalle Valo 4376e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, 4377e705c121SKalle Valo true); 4378e705c121SKalle Valo if (ret) { 4379e705c121SKalle Valo IWL_ERR(mvm, 4380e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 4381e705c121SKalle Valo goto out_remove; 4382e705c121SKalle Valo } 4383e705c121SKalle Valo 4384e705c121SKalle Valo /* we don't support TDLS during DCM - can be caused by channel switch */ 4385e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 4386e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 4387e705c121SKalle Valo 4388e705c121SKalle Valo goto out; 4389e705c121SKalle Valo 4390e705c121SKalle Valo out_remove: 4391e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 4392e705c121SKalle Valo 4393e705c121SKalle Valo out_reassign: 4394e705c121SKalle Valo if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 4395e705c121SKalle Valo IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 4396e705c121SKalle Valo goto out_restart; 4397e705c121SKalle Valo } 4398e705c121SKalle Valo 4399e705c121SKalle Valo if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, 4400e705c121SKalle Valo true)) { 4401e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 4402e705c121SKalle Valo goto out_restart; 4403e705c121SKalle Valo } 4404e705c121SKalle Valo 4405e705c121SKalle Valo goto out; 4406e705c121SKalle Valo 4407e705c121SKalle Valo out_restart: 4408e705c121SKalle Valo /* things keep failing, better restart the hw */ 4409e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 4410e705c121SKalle Valo 4411e705c121SKalle Valo out: 4412e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4413e705c121SKalle Valo 4414e705c121SKalle Valo return ret; 4415e705c121SKalle Valo } 4416e705c121SKalle Valo 4417e705c121SKalle Valo static int 4418e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 4419e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs) 4420e705c121SKalle Valo { 4421e705c121SKalle Valo int ret; 4422e705c121SKalle Valo 4423e705c121SKalle Valo mutex_lock(&mvm->mutex); 4424e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); 4425e705c121SKalle Valo 4426e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, 4427e705c121SKalle Valo true); 4428e705c121SKalle Valo if (ret) { 4429e705c121SKalle Valo IWL_ERR(mvm, 4430e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 4431e705c121SKalle Valo goto out_reassign; 4432e705c121SKalle Valo } 4433e705c121SKalle Valo 4434e705c121SKalle Valo goto out; 4435e705c121SKalle Valo 4436e705c121SKalle Valo out_reassign: 4437e705c121SKalle Valo if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, 4438e705c121SKalle Valo true)) { 4439e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 4440e705c121SKalle Valo goto out_restart; 4441e705c121SKalle Valo } 4442e705c121SKalle Valo 4443e705c121SKalle Valo goto out; 4444e705c121SKalle Valo 4445e705c121SKalle Valo out_restart: 4446e705c121SKalle Valo /* things keep failing, better restart the hw */ 4447e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 4448e705c121SKalle Valo 4449e705c121SKalle Valo out: 4450e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4451e705c121SKalle Valo 4452e705c121SKalle Valo return ret; 4453e705c121SKalle Valo } 4454e705c121SKalle Valo 4455e705c121SKalle Valo static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 4456e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs, 4457e705c121SKalle Valo int n_vifs, 4458e705c121SKalle Valo enum ieee80211_chanctx_switch_mode mode) 4459e705c121SKalle Valo { 4460e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4461e705c121SKalle Valo int ret; 4462e705c121SKalle Valo 4463e705c121SKalle Valo /* we only support a single-vif right now */ 4464e705c121SKalle Valo if (n_vifs > 1) 4465e705c121SKalle Valo return -EOPNOTSUPP; 4466e705c121SKalle Valo 4467e705c121SKalle Valo switch (mode) { 4468e705c121SKalle Valo case CHANCTX_SWMODE_SWAP_CONTEXTS: 4469e705c121SKalle Valo ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs); 4470e705c121SKalle Valo break; 4471e705c121SKalle Valo case CHANCTX_SWMODE_REASSIGN_VIF: 4472e705c121SKalle Valo ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs); 4473e705c121SKalle Valo break; 4474e705c121SKalle Valo default: 4475e705c121SKalle Valo ret = -EOPNOTSUPP; 4476e705c121SKalle Valo break; 4477e705c121SKalle Valo } 4478e705c121SKalle Valo 4479e705c121SKalle Valo return ret; 4480e705c121SKalle Valo } 4481e705c121SKalle Valo 44822f0282dbSJohannes Berg static int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 44832f0282dbSJohannes Berg { 44842f0282dbSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 44852f0282dbSJohannes Berg 44862f0282dbSJohannes Berg return mvm->ibss_manager; 44872f0282dbSJohannes Berg } 44882f0282dbSJohannes Berg 4489e705c121SKalle Valo static int iwl_mvm_set_tim(struct ieee80211_hw *hw, 4490e705c121SKalle Valo struct ieee80211_sta *sta, 4491e705c121SKalle Valo bool set) 4492e705c121SKalle Valo { 4493e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4494e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 4495e705c121SKalle Valo 4496e705c121SKalle Valo if (!mvm_sta || !mvm_sta->vif) { 4497e705c121SKalle Valo IWL_ERR(mvm, "Station is not associated to a vif\n"); 4498e705c121SKalle Valo return -EINVAL; 4499e705c121SKalle Valo } 4500e705c121SKalle Valo 4501e705c121SKalle Valo return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif); 4502e705c121SKalle Valo } 4503e705c121SKalle Valo 4504e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 4505e705c121SKalle Valo static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { 4506e705c121SKalle Valo [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, 4507e705c121SKalle Valo [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, 4508e705c121SKalle Valo [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, 4509e705c121SKalle Valo }; 4510e705c121SKalle Valo 4511e705c121SKalle Valo static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, 4512e705c121SKalle Valo struct ieee80211_vif *vif, 4513e705c121SKalle Valo void *data, int len) 4514e705c121SKalle Valo { 4515e705c121SKalle Valo struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; 4516e705c121SKalle Valo int err; 4517e705c121SKalle Valo u32 noa_duration; 4518e705c121SKalle Valo 45198cb08174SJohannes Berg err = nla_parse_deprecated(tb, IWL_MVM_TM_ATTR_MAX, data, len, 45208cb08174SJohannes Berg iwl_mvm_tm_policy, NULL); 4521e705c121SKalle Valo if (err) 4522e705c121SKalle Valo return err; 4523e705c121SKalle Valo 4524e705c121SKalle Valo if (!tb[IWL_MVM_TM_ATTR_CMD]) 4525e705c121SKalle Valo return -EINVAL; 4526e705c121SKalle Valo 4527e705c121SKalle Valo switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { 4528e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_NOA: 4529e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || 4530e705c121SKalle Valo !vif->bss_conf.enable_beacon || 4531e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) 4532e705c121SKalle Valo return -EINVAL; 4533e705c121SKalle Valo 4534e705c121SKalle Valo noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); 4535e705c121SKalle Valo if (noa_duration >= vif->bss_conf.beacon_int) 4536e705c121SKalle Valo return -EINVAL; 4537e705c121SKalle Valo 4538e705c121SKalle Valo mvm->noa_duration = noa_duration; 4539e705c121SKalle Valo mvm->noa_vif = vif; 4540e705c121SKalle Valo 454122b21041SShaul Triebitz return iwl_mvm_update_quotas(mvm, true, NULL); 4542e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_BEACON_FILTER: 4543e705c121SKalle Valo /* must be associated client vif - ignore authorized */ 4544e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_STATION || 4545e705c121SKalle Valo !vif->bss_conf.assoc || !vif->bss_conf.dtim_period || 4546e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) 4547e705c121SKalle Valo return -EINVAL; 4548e705c121SKalle Valo 4549e705c121SKalle Valo if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) 4550e705c121SKalle Valo return iwl_mvm_enable_beacon_filter(mvm, vif, 0); 4551e705c121SKalle Valo return iwl_mvm_disable_beacon_filter(mvm, vif, 0); 4552e705c121SKalle Valo } 4553e705c121SKalle Valo 4554e705c121SKalle Valo return -EOPNOTSUPP; 4555e705c121SKalle Valo } 4556e705c121SKalle Valo 4557e705c121SKalle Valo static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, 4558e705c121SKalle Valo struct ieee80211_vif *vif, 4559e705c121SKalle Valo void *data, int len) 4560e705c121SKalle Valo { 4561e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4562e705c121SKalle Valo int err; 4563e705c121SKalle Valo 4564e705c121SKalle Valo mutex_lock(&mvm->mutex); 4565e705c121SKalle Valo err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); 4566e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4567e705c121SKalle Valo 4568e705c121SKalle Valo return err; 4569e705c121SKalle Valo } 4570e705c121SKalle Valo #endif 4571e705c121SKalle Valo 4572e705c121SKalle Valo static void iwl_mvm_channel_switch(struct ieee80211_hw *hw, 4573e705c121SKalle Valo struct ieee80211_vif *vif, 4574e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 4575e705c121SKalle Valo { 4576e705c121SKalle Valo /* By implementing this operation, we prevent mac80211 from 4577e705c121SKalle Valo * starting its own channel switch timer, so that we can call 4578e705c121SKalle Valo * ieee80211_chswitch_done() ourselves at the right time 4579e705c121SKalle Valo * (which is when the absence time event starts). 4580e705c121SKalle Valo */ 4581e705c121SKalle Valo 4582e705c121SKalle Valo IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 4583e705c121SKalle Valo "dummy channel switch op\n"); 4584e705c121SKalle Valo } 4585e705c121SKalle Valo 458674a10252SSara Sharon static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, 458774a10252SSara Sharon struct ieee80211_vif *vif, 458874a10252SSara Sharon struct ieee80211_channel_switch *chsw) 458974a10252SSara Sharon { 459074a10252SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 459174a10252SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 459274a10252SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 459374a10252SSara Sharon mvmvif->color)), 459474a10252SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 459574a10252SSara Sharon .tsf = cpu_to_le32(chsw->timestamp), 459674a10252SSara Sharon .cs_count = chsw->count, 459777738865SSara Sharon .cs_mode = chsw->block_tx, 459874a10252SSara Sharon }; 459974a10252SSara Sharon 460074a10252SSara Sharon lockdep_assert_held(&mvm->mutex); 460174a10252SSara Sharon 46029cfcf71cSSara Sharon if (chsw->delay) 46039cfcf71cSSara Sharon cmd.cs_delayed_bcn_count = 46049cfcf71cSSara Sharon DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int); 46059cfcf71cSSara Sharon 460674a10252SSara Sharon return iwl_mvm_send_cmd_pdu(mvm, 460774a10252SSara Sharon WIDE_ID(MAC_CONF_GROUP, 460874a10252SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 460974a10252SSara Sharon 0, sizeof(cmd), &cmd); 461074a10252SSara Sharon } 461174a10252SSara Sharon 4612f6780614SSara Sharon #define IWL_MAX_CSA_BLOCK_TX 1500 4613e705c121SKalle Valo static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, 4614e705c121SKalle Valo struct ieee80211_vif *vif, 4615e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 4616e705c121SKalle Valo { 4617e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4618e705c121SKalle Valo struct ieee80211_vif *csa_vif; 4619e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4620e705c121SKalle Valo u32 apply_time; 4621e705c121SKalle Valo int ret; 4622e705c121SKalle Valo 4623e705c121SKalle Valo mutex_lock(&mvm->mutex); 4624e705c121SKalle Valo 4625e705c121SKalle Valo mvmvif->csa_failed = false; 4626e705c121SKalle Valo 4627e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 4628e705c121SKalle Valo chsw->chandef.center_freq1); 4629e705c121SKalle Valo 46307174beb6SJohannes Berg iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 46317174beb6SJohannes Berg ieee80211_vif_to_wdev(vif), 46327174beb6SJohannes Berg FW_DBG_TRIGGER_CHANNEL_SWITCH); 4633e705c121SKalle Valo 4634e705c121SKalle Valo switch (vif->type) { 4635e705c121SKalle Valo case NL80211_IFTYPE_AP: 4636e705c121SKalle Valo csa_vif = 4637e705c121SKalle Valo rcu_dereference_protected(mvm->csa_vif, 4638e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 4639e705c121SKalle Valo if (WARN_ONCE(csa_vif && csa_vif->csa_active, 4640e705c121SKalle Valo "Another CSA is already in progress")) { 4641e705c121SKalle Valo ret = -EBUSY; 4642e705c121SKalle Valo goto out_unlock; 4643e705c121SKalle Valo } 4644e705c121SKalle Valo 4645d3a108a4SAndrei Otcheretianski /* we still didn't unblock tx. prevent new CS meanwhile */ 4646d3a108a4SAndrei Otcheretianski if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 4647d3a108a4SAndrei Otcheretianski lockdep_is_held(&mvm->mutex))) { 4648d3a108a4SAndrei Otcheretianski ret = -EBUSY; 4649d3a108a4SAndrei Otcheretianski goto out_unlock; 4650d3a108a4SAndrei Otcheretianski } 4651d3a108a4SAndrei Otcheretianski 4652e705c121SKalle Valo rcu_assign_pointer(mvm->csa_vif, vif); 4653e705c121SKalle Valo 4654e705c121SKalle Valo if (WARN_ONCE(mvmvif->csa_countdown, 4655e705c121SKalle Valo "Previous CSA countdown didn't complete")) { 4656e705c121SKalle Valo ret = -EBUSY; 4657e705c121SKalle Valo goto out_unlock; 4658e705c121SKalle Valo } 4659e705c121SKalle Valo 4660d3a108a4SAndrei Otcheretianski mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 4661d3a108a4SAndrei Otcheretianski 4662e705c121SKalle Valo break; 4663e705c121SKalle Valo case NL80211_IFTYPE_STATION: 4664e705c121SKalle Valo /* Schedule the time event to a bit before beacon 1, 4665e705c121SKalle Valo * to make sure we're in the new channel when the 4666f5d8f50fSIlan Peer * GO/AP arrives. In case count <= 1 immediately schedule the 4667f5d8f50fSIlan Peer * TE (this might result with some packet loss or connection 4668f5d8f50fSIlan Peer * loss). 4669e705c121SKalle Valo */ 4670f5d8f50fSIlan Peer if (chsw->count <= 1) 4671f5d8f50fSIlan Peer apply_time = 0; 4672f5d8f50fSIlan Peer else 4673e705c121SKalle Valo apply_time = chsw->device_timestamp + 4674e705c121SKalle Valo ((vif->bss_conf.beacon_int * (chsw->count - 1) - 4675e705c121SKalle Valo IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 4676e705c121SKalle Valo 4677f6780614SSara Sharon if (chsw->block_tx) { 4678e705c121SKalle Valo iwl_mvm_csa_client_absent(mvm, vif); 4679f6780614SSara Sharon /* 4680f6780614SSara Sharon * In case of undetermined / long time with immediate 4681f6780614SSara Sharon * quiet monitor status to gracefully disconnect 4682f6780614SSara Sharon */ 4683f6780614SSara Sharon if (!chsw->count || 4684f6780614SSara Sharon chsw->count * vif->bss_conf.beacon_int > 4685f6780614SSara Sharon IWL_MAX_CSA_BLOCK_TX) 4686f6780614SSara Sharon schedule_delayed_work(&mvmvif->csa_work, 4687f6780614SSara Sharon msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX)); 4688f6780614SSara Sharon } 4689e705c121SKalle Valo 4690e705c121SKalle Valo if (mvmvif->bf_data.bf_enabled) { 4691e705c121SKalle Valo ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 4692e705c121SKalle Valo if (ret) 4693e705c121SKalle Valo goto out_unlock; 4694e705c121SKalle Valo } 4695e705c121SKalle Valo 469674a10252SSara Sharon if (fw_has_capa(&mvm->fw->ucode_capa, 469774a10252SSara Sharon IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 469874a10252SSara Sharon iwl_mvm_schedule_client_csa(mvm, vif, chsw); 469974a10252SSara Sharon else 470074a10252SSara Sharon iwl_mvm_schedule_csa_period(mvm, vif, 470174a10252SSara Sharon vif->bss_conf.beacon_int, 470274a10252SSara Sharon apply_time); 470381b4e44eSSara Sharon 470481b4e44eSSara Sharon mvmvif->csa_count = chsw->count; 470581b4e44eSSara Sharon mvmvif->csa_misbehave = false; 4706e705c121SKalle Valo break; 4707e705c121SKalle Valo default: 4708e705c121SKalle Valo break; 4709e705c121SKalle Valo } 4710e705c121SKalle Valo 4711e705c121SKalle Valo mvmvif->ps_disabled = true; 4712e705c121SKalle Valo 4713e705c121SKalle Valo ret = iwl_mvm_power_update_ps(mvm); 4714e705c121SKalle Valo if (ret) 4715e705c121SKalle Valo goto out_unlock; 4716e705c121SKalle Valo 4717e705c121SKalle Valo /* we won't be on this channel any longer */ 4718e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 4719e705c121SKalle Valo 4720e705c121SKalle Valo out_unlock: 4721e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4722e705c121SKalle Valo 4723e705c121SKalle Valo return ret; 4724e705c121SKalle Valo } 4725e705c121SKalle Valo 4726c37763d2SSara Sharon static void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw, 4727c37763d2SSara Sharon struct ieee80211_vif *vif, 4728c37763d2SSara Sharon struct ieee80211_channel_switch *chsw) 4729e705c121SKalle Valo { 4730e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4731c37763d2SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4732c37763d2SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 4733c37763d2SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 4734c37763d2SSara Sharon mvmvif->color)), 4735c37763d2SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY), 4736c37763d2SSara Sharon .tsf = cpu_to_le32(chsw->timestamp), 4737c37763d2SSara Sharon .cs_count = chsw->count, 473877738865SSara Sharon .cs_mode = chsw->block_tx, 4739c37763d2SSara Sharon }; 4740e705c121SKalle Valo 4741c37763d2SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY)) 4742c37763d2SSara Sharon return; 4743e705c121SKalle Valo 474481b4e44eSSara Sharon if (chsw->count >= mvmvif->csa_count && chsw->block_tx) { 474581b4e44eSSara Sharon if (mvmvif->csa_misbehave) { 474681b4e44eSSara Sharon /* Second time, give up on this AP*/ 474781b4e44eSSara Sharon iwl_mvm_abort_channel_switch(hw, vif); 474881b4e44eSSara Sharon ieee80211_chswitch_done(vif, false); 474981b4e44eSSara Sharon mvmvif->csa_misbehave = false; 475081b4e44eSSara Sharon return; 4751e705c121SKalle Valo } 475281b4e44eSSara Sharon mvmvif->csa_misbehave = true; 4753e705c121SKalle Valo } 475481b4e44eSSara Sharon mvmvif->csa_count = chsw->count; 4755e705c121SKalle Valo 4756c37763d2SSara Sharon IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d\n", mvmvif->id); 4757e705c121SKalle Valo 4758c37763d2SSara Sharon WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 4759c37763d2SSara Sharon WIDE_ID(MAC_CONF_GROUP, 4760c37763d2SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 4761c37763d2SSara Sharon CMD_ASYNC, sizeof(cmd), &cmd)); 4762e705c121SKalle Valo } 4763e705c121SKalle Valo 47646110d9e5SDavid Spinadel static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) 47656110d9e5SDavid Spinadel { 4766435d0827SSara Sharon int i; 4767435d0827SSara Sharon 476806195639SSara Sharon if (!iwl_mvm_has_new_tx_api(mvm)) { 4769309c4848SLuca Coelho if (drop) { 4770309c4848SLuca Coelho mutex_lock(&mvm->mutex); 47716110d9e5SDavid Spinadel iwl_mvm_flush_tx_path(mvm, 4772435d0827SSara Sharon iwl_mvm_flushable_queues(mvm) & queues, 0); 4773309c4848SLuca Coelho mutex_unlock(&mvm->mutex); 4774309c4848SLuca Coelho } else { 4775435d0827SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, queues); 4776309c4848SLuca Coelho } 4777435d0827SSara Sharon return; 4778435d0827SSara Sharon } 47796110d9e5SDavid Spinadel 47806110d9e5SDavid Spinadel mutex_lock(&mvm->mutex); 47816110d9e5SDavid Spinadel for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) { 4782435d0827SSara Sharon struct ieee80211_sta *sta; 4783435d0827SSara Sharon 4784435d0827SSara Sharon sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 47856110d9e5SDavid Spinadel lockdep_is_held(&mvm->mutex)); 47866110d9e5SDavid Spinadel if (IS_ERR_OR_NULL(sta)) 47876110d9e5SDavid Spinadel continue; 47886110d9e5SDavid Spinadel 478906195639SSara Sharon if (drop) 479006195639SSara Sharon iwl_mvm_flush_sta_tids(mvm, i, 0xFF, 0); 479106195639SSara Sharon else 47926110d9e5SDavid Spinadel iwl_mvm_wait_sta_queues_empty(mvm, 47936110d9e5SDavid Spinadel iwl_mvm_sta_from_mac80211(sta)); 47946110d9e5SDavid Spinadel } 47956110d9e5SDavid Spinadel mutex_unlock(&mvm->mutex); 47966110d9e5SDavid Spinadel } 47976110d9e5SDavid Spinadel 4798e705c121SKalle Valo static void iwl_mvm_mac_flush(struct ieee80211_hw *hw, 4799e705c121SKalle Valo struct ieee80211_vif *vif, u32 queues, bool drop) 4800e705c121SKalle Valo { 4801e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4802e705c121SKalle Valo struct iwl_mvm_vif *mvmvif; 4803e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 4804e705c121SKalle Valo struct ieee80211_sta *sta; 4805e705c121SKalle Valo int i; 4806e705c121SKalle Valo u32 msk = 0; 4807e705c121SKalle Valo 48086110d9e5SDavid Spinadel if (!vif) { 48096110d9e5SDavid Spinadel iwl_mvm_flush_no_vif(mvm, queues, drop); 48106110d9e5SDavid Spinadel return; 48116110d9e5SDavid Spinadel } 48126110d9e5SDavid Spinadel 48136110d9e5SDavid Spinadel if (vif->type != NL80211_IFTYPE_STATION) 4814e705c121SKalle Valo return; 4815e705c121SKalle Valo 481624afba76SLiad Kaufman /* Make sure we're done with the deferred traffic before flushing */ 481724afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 481824afba76SLiad Kaufman 4819e705c121SKalle Valo mutex_lock(&mvm->mutex); 4820e705c121SKalle Valo mvmvif = iwl_mvm_vif_from_mac80211(vif); 4821e705c121SKalle Valo 4822e705c121SKalle Valo /* flush the AP-station and all TDLS peers */ 48230ae98812SSara Sharon for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) { 4824e705c121SKalle Valo sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 4825e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 4826e705c121SKalle Valo if (IS_ERR_OR_NULL(sta)) 4827e705c121SKalle Valo continue; 4828e705c121SKalle Valo 4829e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_mac80211(sta); 4830e705c121SKalle Valo if (mvmsta->vif != vif) 4831e705c121SKalle Valo continue; 4832e705c121SKalle Valo 4833e705c121SKalle Valo /* make sure only TDLS peers or the AP are flushed */ 4834e705c121SKalle Valo WARN_ON(i != mvmvif->ap_sta_id && !sta->tdls); 4835e705c121SKalle Valo 4836d49394a1SSara Sharon if (drop) { 4837d49394a1SSara Sharon if (iwl_mvm_flush_sta(mvm, mvmsta, false, 0)) 4838d49394a1SSara Sharon IWL_ERR(mvm, "flush request fail\n"); 4839d49394a1SSara Sharon } else { 4840e705c121SKalle Valo msk |= mvmsta->tfd_queue_msk; 4841d6d517b7SSara Sharon if (iwl_mvm_has_new_tx_api(mvm)) 4842d6d517b7SSara Sharon iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 4843e705c121SKalle Valo } 4844d49394a1SSara Sharon } 4845e705c121SKalle Valo 4846e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4847e705c121SKalle Valo 4848e705c121SKalle Valo /* this can take a while, and we may need/want other operations 4849e705c121SKalle Valo * to succeed while doing this, so do it without the mutex held 4850e705c121SKalle Valo */ 4851d6d517b7SSara Sharon if (!drop && !iwl_mvm_has_new_tx_api(mvm)) 4852a1a57877SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 4853e705c121SKalle Valo } 4854e705c121SKalle Valo 4855e705c121SKalle Valo static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 4856e705c121SKalle Valo struct survey_info *survey) 4857e705c121SKalle Valo { 4858e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4859e705c121SKalle Valo int ret; 4860e705c121SKalle Valo 4861e705c121SKalle Valo memset(survey, 0, sizeof(*survey)); 4862e705c121SKalle Valo 4863e705c121SKalle Valo /* only support global statistics right now */ 4864e705c121SKalle Valo if (idx != 0) 4865e705c121SKalle Valo return -ENOENT; 4866e705c121SKalle Valo 4867280a3efaSJohannes Berg if (!fw_has_capa(&mvm->fw->ucode_capa, 4868e705c121SKalle Valo IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 4869e705c121SKalle Valo return -ENOENT; 4870e705c121SKalle Valo 4871e705c121SKalle Valo mutex_lock(&mvm->mutex); 4872e705c121SKalle Valo 4873aab6930dSJohannes Berg if (iwl_mvm_firmware_running(mvm)) { 4874e705c121SKalle Valo ret = iwl_mvm_request_statistics(mvm, false); 4875e705c121SKalle Valo if (ret) 4876e705c121SKalle Valo goto out; 4877e705c121SKalle Valo } 4878e705c121SKalle Valo 4879e705c121SKalle Valo survey->filled = SURVEY_INFO_TIME | 4880e705c121SKalle Valo SURVEY_INFO_TIME_RX | 4881e705c121SKalle Valo SURVEY_INFO_TIME_TX | 4882e705c121SKalle Valo SURVEY_INFO_TIME_SCAN; 4883e705c121SKalle Valo survey->time = mvm->accu_radio_stats.on_time_rf + 4884e705c121SKalle Valo mvm->radio_stats.on_time_rf; 4885e705c121SKalle Valo do_div(survey->time, USEC_PER_MSEC); 4886e705c121SKalle Valo 4887e705c121SKalle Valo survey->time_rx = mvm->accu_radio_stats.rx_time + 4888e705c121SKalle Valo mvm->radio_stats.rx_time; 4889e705c121SKalle Valo do_div(survey->time_rx, USEC_PER_MSEC); 4890e705c121SKalle Valo 4891e705c121SKalle Valo survey->time_tx = mvm->accu_radio_stats.tx_time + 4892e705c121SKalle Valo mvm->radio_stats.tx_time; 4893e705c121SKalle Valo do_div(survey->time_tx, USEC_PER_MSEC); 4894e705c121SKalle Valo 4895e705c121SKalle Valo survey->time_scan = mvm->accu_radio_stats.on_time_scan + 4896e705c121SKalle Valo mvm->radio_stats.on_time_scan; 4897e705c121SKalle Valo do_div(survey->time_scan, USEC_PER_MSEC); 4898e705c121SKalle Valo 4899e705c121SKalle Valo ret = 0; 4900e705c121SKalle Valo out: 4901e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4902e705c121SKalle Valo return ret; 4903e705c121SKalle Valo } 4904e705c121SKalle Valo 4905e705c121SKalle Valo static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 4906e705c121SKalle Valo struct ieee80211_vif *vif, 4907e705c121SKalle Valo struct ieee80211_sta *sta, 4908e705c121SKalle Valo struct station_info *sinfo) 4909e705c121SKalle Valo { 4910e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4911e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4912e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 4913e705c121SKalle Valo 4914988b5968SSara Sharon if (mvmsta->avg_energy) { 4915988b5968SSara Sharon sinfo->signal_avg = mvmsta->avg_energy; 491622d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 4917988b5968SSara Sharon } 4918988b5968SSara Sharon 4919e705c121SKalle Valo /* if beacon filtering isn't on mac80211 does it anyway */ 4920e705c121SKalle Valo if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 4921e705c121SKalle Valo return; 4922e705c121SKalle Valo 4923e705c121SKalle Valo if (!vif->bss_conf.assoc) 4924e705c121SKalle Valo return; 4925e705c121SKalle Valo 4926e705c121SKalle Valo mutex_lock(&mvm->mutex); 4927e705c121SKalle Valo 4928e705c121SKalle Valo if (mvmvif->ap_sta_id != mvmsta->sta_id) 4929e705c121SKalle Valo goto unlock; 4930e705c121SKalle Valo 4931e705c121SKalle Valo if (iwl_mvm_request_statistics(mvm, false)) 4932e705c121SKalle Valo goto unlock; 4933e705c121SKalle Valo 4934e705c121SKalle Valo sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons + 4935e705c121SKalle Valo mvmvif->beacon_stats.accu_num_beacons; 493622d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); 4937e705c121SKalle Valo if (mvmvif->beacon_stats.avg_signal) { 4938e705c121SKalle Valo /* firmware only reports a value after RXing a few beacons */ 4939e705c121SKalle Valo sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal; 494022d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 4941e705c121SKalle Valo } 4942e705c121SKalle Valo unlock: 4943e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4944e705c121SKalle Valo } 4945e705c121SKalle Valo 4946e705c121SKalle Valo static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 4947e705c121SKalle Valo struct ieee80211_vif *vif, 4948e705c121SKalle Valo const struct ieee80211_event *event) 4949e705c121SKalle Valo { 49504c324a51SLuca Coelho #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 4951e705c121SKalle Valo do { \ 49524c324a51SLuca Coelho if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 4953e705c121SKalle Valo break; \ 49547174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 4955e705c121SKalle Valo } while (0) 4956e705c121SKalle Valo 4957e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 4958e705c121SKalle Valo struct iwl_fw_dbg_trigger_mlme *trig_mlme; 4959e705c121SKalle Valo 49606c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 49616c042d75SSara Sharon FW_DBG_TRIGGER_MLME); 49626c042d75SSara Sharon if (!trig) 4963e705c121SKalle Valo return; 4964e705c121SKalle Valo 4965e705c121SKalle Valo trig_mlme = (void *)trig->data; 4966e705c121SKalle Valo 4967e705c121SKalle Valo if (event->u.mlme.data == ASSOC_EVENT) { 4968e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 49694c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_denied, 4970e705c121SKalle Valo "DENIED ASSOC: reason %d", 4971e705c121SKalle Valo event->u.mlme.reason); 4972e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 49734c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_timeout, 4974e705c121SKalle Valo "ASSOC TIMEOUT"); 4975e705c121SKalle Valo } else if (event->u.mlme.data == AUTH_EVENT) { 4976e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 49774c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_denied, 4978e705c121SKalle Valo "DENIED AUTH: reason %d", 4979e705c121SKalle Valo event->u.mlme.reason); 4980e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 49814c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_timeout, 4982e705c121SKalle Valo "AUTH TIMEOUT"); 4983e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 49844c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_rx_deauth, 4985e705c121SKalle Valo "DEAUTH RX %d", event->u.mlme.reason); 4986e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 49874c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_tx_deauth, 4988e705c121SKalle Valo "DEAUTH TX %d", event->u.mlme.reason); 4989e705c121SKalle Valo } 4990e705c121SKalle Valo #undef CHECK_MLME_TRIGGER 4991e705c121SKalle Valo } 4992e705c121SKalle Valo 4993e705c121SKalle Valo static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 4994e705c121SKalle Valo struct ieee80211_vif *vif, 4995e705c121SKalle Valo const struct ieee80211_event *event) 4996e705c121SKalle Valo { 4997e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 4998e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 4999e705c121SKalle Valo 50006c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 50016c042d75SSara Sharon FW_DBG_TRIGGER_BA); 50026c042d75SSara Sharon if (!trig) 5003e705c121SKalle Valo return; 5004e705c121SKalle Valo 5005e705c121SKalle Valo ba_trig = (void *)trig->data; 5006e705c121SKalle Valo 5007e705c121SKalle Valo if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 5008e705c121SKalle Valo return; 5009e705c121SKalle Valo 50107174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 5011e705c121SKalle Valo "BAR received from %pM, tid %d, ssn %d", 5012e705c121SKalle Valo event->u.ba.sta->addr, event->u.ba.tid, 5013e705c121SKalle Valo event->u.ba.ssn); 5014e705c121SKalle Valo } 5015e705c121SKalle Valo 5016e705c121SKalle Valo static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 5017e705c121SKalle Valo struct ieee80211_vif *vif, 5018e705c121SKalle Valo const struct ieee80211_event *event) 5019e705c121SKalle Valo { 5020e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5021e705c121SKalle Valo 5022e705c121SKalle Valo switch (event->type) { 5023e705c121SKalle Valo case MLME_EVENT: 5024e705c121SKalle Valo iwl_mvm_event_mlme_callback(mvm, vif, event); 5025e705c121SKalle Valo break; 5026e705c121SKalle Valo case BAR_RX_EVENT: 5027e705c121SKalle Valo iwl_mvm_event_bar_rx_callback(mvm, vif, event); 5028e705c121SKalle Valo break; 5029e705c121SKalle Valo case BA_FRAME_TIMEOUT: 5030528a542aSEmmanuel Grumbach iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, 5031528a542aSEmmanuel Grumbach event->u.ba.tid); 5032e705c121SKalle Valo break; 5033e705c121SKalle Valo default: 5034e705c121SKalle Valo break; 5035e705c121SKalle Valo } 5036e705c121SKalle Valo } 5037e705c121SKalle Valo 5038d0ff5d22SSara Sharon void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 5039d0ff5d22SSara Sharon struct iwl_mvm_internal_rxq_notif *notif, 5040d0ff5d22SSara Sharon u32 size) 50410636b938SSara Sharon { 50420636b938SSara Sharon u32 qmask = BIT(mvm->trans->num_rx_queues) - 1; 50430636b938SSara Sharon int ret; 50440636b938SSara Sharon 50450636b938SSara Sharon lockdep_assert_held(&mvm->mutex); 50460636b938SSara Sharon 5047cb8550e1SSara Sharon if (!iwl_mvm_has_new_rx_api(mvm)) 50480636b938SSara Sharon return; 50490636b938SSara Sharon 5050d0ff5d22SSara Sharon notif->cookie = mvm->queue_sync_cookie; 50510636b938SSara Sharon 5052d0ff5d22SSara Sharon if (notif->sync) 5053d0ff5d22SSara Sharon atomic_set(&mvm->queue_sync_counter, 5054d0ff5d22SSara Sharon mvm->trans->num_rx_queues); 5055d0ff5d22SSara Sharon 5056d0ff5d22SSara Sharon ret = iwl_mvm_notify_rx_queue(mvm, qmask, (u8 *)notif, size); 50570636b938SSara Sharon if (ret) { 50580636b938SSara Sharon IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 50590636b938SSara Sharon goto out; 50600636b938SSara Sharon } 5061d0ff5d22SSara Sharon 50626ad04359SJohannes Berg if (notif->sync) { 50633a732c65SSara Sharon ret = wait_event_timeout(mvm->rx_sync_waitq, 50646ad04359SJohannes Berg atomic_read(&mvm->queue_sync_counter) == 0 || 50656ad04359SJohannes Berg iwl_mvm_is_radio_killed(mvm), 50660636b938SSara Sharon HZ); 50676ad04359SJohannes Berg WARN_ON_ONCE(!ret && !iwl_mvm_is_radio_killed(mvm)); 50686ad04359SJohannes Berg } 50690636b938SSara Sharon 50700636b938SSara Sharon out: 50710636b938SSara Sharon atomic_set(&mvm->queue_sync_counter, 0); 50720636b938SSara Sharon mvm->queue_sync_cookie++; 50730636b938SSara Sharon } 50740636b938SSara Sharon 50750636b938SSara Sharon static void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) 50760636b938SSara Sharon { 50770636b938SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5078d0ff5d22SSara Sharon struct iwl_mvm_internal_rxq_notif data = { 5079d0ff5d22SSara Sharon .type = IWL_MVM_RXQ_EMPTY, 5080d0ff5d22SSara Sharon .sync = 1, 5081d0ff5d22SSara Sharon }; 50820636b938SSara Sharon 50830636b938SSara Sharon mutex_lock(&mvm->mutex); 5084d0ff5d22SSara Sharon iwl_mvm_sync_rx_queues_internal(mvm, &data, sizeof(data)); 50850636b938SSara Sharon mutex_unlock(&mvm->mutex); 50860636b938SSara Sharon } 50870636b938SSara Sharon 5088b73f9a4aSJohannes Berg static int 5089b73f9a4aSJohannes Berg iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw, 5090b73f9a4aSJohannes Berg struct ieee80211_vif *vif, 5091b73f9a4aSJohannes Berg struct cfg80211_ftm_responder_stats *stats) 5092b73f9a4aSJohannes Berg { 5093b73f9a4aSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5094b73f9a4aSJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5095b73f9a4aSJohannes Berg 5096b73f9a4aSJohannes Berg if (vif->p2p || vif->type != NL80211_IFTYPE_AP || 5097b73f9a4aSJohannes Berg !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder) 5098b73f9a4aSJohannes Berg return -EINVAL; 5099b73f9a4aSJohannes Berg 5100b73f9a4aSJohannes Berg mutex_lock(&mvm->mutex); 5101b73f9a4aSJohannes Berg *stats = mvm->ftm_resp_stats; 5102b73f9a4aSJohannes Berg mutex_unlock(&mvm->mutex); 5103b73f9a4aSJohannes Berg 5104b73f9a4aSJohannes Berg stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) | 5105b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_PARTIAL_NUM) | 5106b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_FAILED_NUM) | 5107b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_ASAP_NUM) | 5108b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_NON_ASAP_NUM) | 5109b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) | 5110b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) | 5111b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) | 5112b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM); 5113b73f9a4aSJohannes Berg 5114b73f9a4aSJohannes Berg return 0; 5115b73f9a4aSJohannes Berg } 5116b73f9a4aSJohannes Berg 5117fc36ffdaSJohannes Berg static int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, 5118fc36ffdaSJohannes Berg struct ieee80211_vif *vif, 5119fc36ffdaSJohannes Berg struct cfg80211_pmsr_request *request) 5120fc36ffdaSJohannes Berg { 5121fc36ffdaSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5122fc36ffdaSJohannes Berg int ret; 5123fc36ffdaSJohannes Berg 5124fc36ffdaSJohannes Berg mutex_lock(&mvm->mutex); 5125fc36ffdaSJohannes Berg ret = iwl_mvm_ftm_start(mvm, vif, request); 5126fc36ffdaSJohannes Berg mutex_unlock(&mvm->mutex); 5127fc36ffdaSJohannes Berg 5128fc36ffdaSJohannes Berg return ret; 5129fc36ffdaSJohannes Berg } 5130fc36ffdaSJohannes Berg 5131fc36ffdaSJohannes Berg static void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, 5132fc36ffdaSJohannes Berg struct ieee80211_vif *vif, 5133fc36ffdaSJohannes Berg struct cfg80211_pmsr_request *request) 5134fc36ffdaSJohannes Berg { 5135fc36ffdaSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5136fc36ffdaSJohannes Berg 5137fc36ffdaSJohannes Berg mutex_lock(&mvm->mutex); 5138fc36ffdaSJohannes Berg iwl_mvm_ftm_abort(mvm, request); 5139fc36ffdaSJohannes Berg mutex_unlock(&mvm->mutex); 5140fc36ffdaSJohannes Berg } 5141fc36ffdaSJohannes Berg 5142438af969SSara Sharon static bool iwl_mvm_can_hw_csum(struct sk_buff *skb) 5143438af969SSara Sharon { 5144438af969SSara Sharon u8 protocol = ip_hdr(skb)->protocol; 5145438af969SSara Sharon 5146438af969SSara Sharon if (!IS_ENABLED(CONFIG_INET)) 5147438af969SSara Sharon return false; 5148438af969SSara Sharon 5149438af969SSara Sharon return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; 5150438af969SSara Sharon } 5151438af969SSara Sharon 5152438af969SSara Sharon static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw, 5153438af969SSara Sharon struct sk_buff *head, 5154438af969SSara Sharon struct sk_buff *skb) 5155438af969SSara Sharon { 5156438af969SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5157438af969SSara Sharon 5158438af969SSara Sharon /* For now don't aggregate IPv6 in AMSDU */ 5159438af969SSara Sharon if (skb->protocol != htons(ETH_P_IP)) 5160438af969SSara Sharon return false; 5161438af969SSara Sharon 5162438af969SSara Sharon if (!iwl_mvm_is_csum_supported(mvm)) 5163438af969SSara Sharon return true; 5164438af969SSara Sharon 5165438af969SSara Sharon return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); 5166438af969SSara Sharon } 5167438af969SSara Sharon 5168e705c121SKalle Valo const struct ieee80211_ops iwl_mvm_hw_ops = { 5169e705c121SKalle Valo .tx = iwl_mvm_mac_tx, 5170cfbc6c4cSSara Sharon .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, 5171e705c121SKalle Valo .ampdu_action = iwl_mvm_mac_ampdu_action, 5172e705c121SKalle Valo .start = iwl_mvm_mac_start, 5173e705c121SKalle Valo .reconfig_complete = iwl_mvm_mac_reconfig_complete, 5174e705c121SKalle Valo .stop = iwl_mvm_mac_stop, 5175e705c121SKalle Valo .add_interface = iwl_mvm_mac_add_interface, 5176e705c121SKalle Valo .remove_interface = iwl_mvm_mac_remove_interface, 5177e705c121SKalle Valo .config = iwl_mvm_mac_config, 5178e705c121SKalle Valo .prepare_multicast = iwl_mvm_prepare_multicast, 5179e705c121SKalle Valo .configure_filter = iwl_mvm_configure_filter, 5180e705c121SKalle Valo .config_iface_filter = iwl_mvm_config_iface_filter, 5181e705c121SKalle Valo .bss_info_changed = iwl_mvm_bss_info_changed, 5182e705c121SKalle Valo .hw_scan = iwl_mvm_mac_hw_scan, 5183e705c121SKalle Valo .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, 5184e705c121SKalle Valo .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, 5185e705c121SKalle Valo .sta_state = iwl_mvm_mac_sta_state, 5186e705c121SKalle Valo .sta_notify = iwl_mvm_mac_sta_notify, 5187e705c121SKalle Valo .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, 5188e705c121SKalle Valo .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, 5189e705c121SKalle Valo .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, 5190e705c121SKalle Valo .sta_rc_update = iwl_mvm_sta_rc_update, 5191e705c121SKalle Valo .conf_tx = iwl_mvm_mac_conf_tx, 5192e705c121SKalle Valo .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, 5193e705c121SKalle Valo .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, 5194e705c121SKalle Valo .flush = iwl_mvm_mac_flush, 5195e705c121SKalle Valo .sched_scan_start = iwl_mvm_mac_sched_scan_start, 5196e705c121SKalle Valo .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, 5197e705c121SKalle Valo .set_key = iwl_mvm_mac_set_key, 5198e705c121SKalle Valo .update_tkip_key = iwl_mvm_mac_update_tkip_key, 5199e705c121SKalle Valo .remain_on_channel = iwl_mvm_roc, 5200e705c121SKalle Valo .cancel_remain_on_channel = iwl_mvm_cancel_roc, 5201e705c121SKalle Valo .add_chanctx = iwl_mvm_add_chanctx, 5202e705c121SKalle Valo .remove_chanctx = iwl_mvm_remove_chanctx, 5203e705c121SKalle Valo .change_chanctx = iwl_mvm_change_chanctx, 5204e705c121SKalle Valo .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, 5205e705c121SKalle Valo .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, 5206e705c121SKalle Valo .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, 5207e705c121SKalle Valo 5208e705c121SKalle Valo .start_ap = iwl_mvm_start_ap_ibss, 5209e705c121SKalle Valo .stop_ap = iwl_mvm_stop_ap_ibss, 5210e705c121SKalle Valo .join_ibss = iwl_mvm_start_ap_ibss, 5211e705c121SKalle Valo .leave_ibss = iwl_mvm_stop_ap_ibss, 5212e705c121SKalle Valo 52132f0282dbSJohannes Berg .tx_last_beacon = iwl_mvm_tx_last_beacon, 52142f0282dbSJohannes Berg 5215e705c121SKalle Valo .set_tim = iwl_mvm_set_tim, 5216e705c121SKalle Valo 5217e705c121SKalle Valo .channel_switch = iwl_mvm_channel_switch, 5218e705c121SKalle Valo .pre_channel_switch = iwl_mvm_pre_channel_switch, 5219e705c121SKalle Valo .post_channel_switch = iwl_mvm_post_channel_switch, 522079221126SSara Sharon .abort_channel_switch = iwl_mvm_abort_channel_switch, 5221c37763d2SSara Sharon .channel_switch_rx_beacon = iwl_mvm_channel_switch_rx_beacon, 5222e705c121SKalle Valo 5223e705c121SKalle Valo .tdls_channel_switch = iwl_mvm_tdls_channel_switch, 5224e705c121SKalle Valo .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, 5225e705c121SKalle Valo .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, 5226e705c121SKalle Valo 5227e705c121SKalle Valo .event_callback = iwl_mvm_mac_event_callback, 5228e705c121SKalle Valo 52290636b938SSara Sharon .sync_rx_queues = iwl_mvm_sync_rx_queues, 52300636b938SSara Sharon 5231e705c121SKalle Valo CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) 5232e705c121SKalle Valo 5233e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 5234e705c121SKalle Valo /* look at d3.c */ 5235e705c121SKalle Valo .suspend = iwl_mvm_suspend, 5236e705c121SKalle Valo .resume = iwl_mvm_resume, 5237e705c121SKalle Valo .set_wakeup = iwl_mvm_set_wakeup, 5238e705c121SKalle Valo .set_rekey_data = iwl_mvm_set_rekey_data, 5239e705c121SKalle Valo #if IS_ENABLED(CONFIG_IPV6) 5240e705c121SKalle Valo .ipv6_addr_change = iwl_mvm_ipv6_addr_change, 5241e705c121SKalle Valo #endif 5242e705c121SKalle Valo .set_default_unicast_key = iwl_mvm_set_default_unicast_key, 5243e705c121SKalle Valo #endif 5244e705c121SKalle Valo .get_survey = iwl_mvm_mac_get_survey, 5245e705c121SKalle Valo .sta_statistics = iwl_mvm_mac_sta_statistics, 5246b73f9a4aSJohannes Berg .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats, 5247fc36ffdaSJohannes Berg .start_pmsr = iwl_mvm_start_pmsr, 5248fc36ffdaSJohannes Berg .abort_pmsr = iwl_mvm_abort_pmsr, 5249b73f9a4aSJohannes Berg 5250438af969SSara Sharon .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, 5251177a11cfSGregory Greenman #ifdef CONFIG_IWLWIFI_DEBUGFS 5252177a11cfSGregory Greenman .sta_add_debugfs = iwl_mvm_sta_add_debugfs, 5253177a11cfSGregory Greenman #endif 5254e705c121SKalle Valo }; 5255