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 1163dd5d02SSara Sharon * Copyright(c) 2018 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 34514c3069SLuca Coelho * Copyright(c) 2018 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 210e705c121SKalle Valo void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) 211e705c121SKalle Valo { 212e705c121SKalle Valo if (!iwl_mvm_is_d0i3_supported(mvm)) 213e705c121SKalle Valo return; 214e705c121SKalle Valo 215e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "Take mvm reference - type %d\n", ref_type); 216e705c121SKalle Valo spin_lock_bh(&mvm->refs_lock); 217e705c121SKalle Valo mvm->refs[ref_type]++; 218e705c121SKalle Valo spin_unlock_bh(&mvm->refs_lock); 219e705c121SKalle Valo iwl_trans_ref(mvm->trans); 220e705c121SKalle Valo } 221e705c121SKalle Valo 222e705c121SKalle Valo void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) 223e705c121SKalle Valo { 224e705c121SKalle Valo if (!iwl_mvm_is_d0i3_supported(mvm)) 225e705c121SKalle Valo return; 226e705c121SKalle Valo 227e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "Leave mvm reference - type %d\n", ref_type); 228e705c121SKalle Valo spin_lock_bh(&mvm->refs_lock); 22916c45822SSara Sharon if (WARN_ON(!mvm->refs[ref_type])) { 23016c45822SSara Sharon spin_unlock_bh(&mvm->refs_lock); 23116c45822SSara Sharon return; 23216c45822SSara Sharon } 23316c45822SSara Sharon mvm->refs[ref_type]--; 234e705c121SKalle Valo spin_unlock_bh(&mvm->refs_lock); 235e705c121SKalle Valo iwl_trans_unref(mvm->trans); 236e705c121SKalle Valo } 237e705c121SKalle Valo 238e705c121SKalle Valo static void iwl_mvm_unref_all_except(struct iwl_mvm *mvm, 239e705c121SKalle Valo enum iwl_mvm_ref_type except_ref) 240e705c121SKalle Valo { 241e705c121SKalle Valo int i, j; 242e705c121SKalle Valo 243e705c121SKalle Valo if (!iwl_mvm_is_d0i3_supported(mvm)) 244e705c121SKalle Valo return; 245e705c121SKalle Valo 246e705c121SKalle Valo spin_lock_bh(&mvm->refs_lock); 247e705c121SKalle Valo for (i = 0; i < IWL_MVM_REF_COUNT; i++) { 248e705c121SKalle Valo if (except_ref == i || !mvm->refs[i]) 249e705c121SKalle Valo continue; 250e705c121SKalle Valo 251e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d (%d)\n", 252e705c121SKalle Valo i, mvm->refs[i]); 253e705c121SKalle Valo for (j = 0; j < mvm->refs[i]; j++) 254e705c121SKalle Valo iwl_trans_unref(mvm->trans); 255e705c121SKalle Valo mvm->refs[i] = 0; 256e705c121SKalle Valo } 257e705c121SKalle Valo spin_unlock_bh(&mvm->refs_lock); 258e705c121SKalle Valo } 259e705c121SKalle Valo 260e705c121SKalle Valo bool iwl_mvm_ref_taken(struct iwl_mvm *mvm) 261e705c121SKalle Valo { 262e705c121SKalle Valo int i; 263e705c121SKalle Valo bool taken = false; 264e705c121SKalle Valo 265e705c121SKalle Valo if (!iwl_mvm_is_d0i3_supported(mvm)) 266e705c121SKalle Valo return true; 267e705c121SKalle Valo 268e705c121SKalle Valo spin_lock_bh(&mvm->refs_lock); 269e705c121SKalle Valo for (i = 0; i < IWL_MVM_REF_COUNT; i++) { 270e705c121SKalle Valo if (mvm->refs[i]) { 271e705c121SKalle Valo taken = true; 272e705c121SKalle Valo break; 273e705c121SKalle Valo } 274e705c121SKalle Valo } 275e705c121SKalle Valo spin_unlock_bh(&mvm->refs_lock); 276e705c121SKalle Valo 277e705c121SKalle Valo return taken; 278e705c121SKalle Valo } 279e705c121SKalle Valo 280e705c121SKalle Valo int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) 281e705c121SKalle Valo { 282e705c121SKalle Valo iwl_mvm_ref(mvm, ref_type); 283e705c121SKalle Valo 284e705c121SKalle Valo if (!wait_event_timeout(mvm->d0i3_exit_waitq, 285e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status), 286e705c121SKalle Valo HZ)) { 287e705c121SKalle Valo WARN_ON_ONCE(1); 288e705c121SKalle Valo iwl_mvm_unref(mvm, ref_type); 289e705c121SKalle Valo return -EIO; 290e705c121SKalle Valo } 291e705c121SKalle Valo 292e705c121SKalle Valo return 0; 293e705c121SKalle Valo } 294e705c121SKalle Valo 295e705c121SKalle Valo static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm) 296e705c121SKalle Valo { 297e705c121SKalle Valo int i; 298e705c121SKalle Valo 299e705c121SKalle Valo memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts)); 300e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) { 301e705c121SKalle Valo mvm->phy_ctxts[i].id = i; 302e705c121SKalle Valo mvm->phy_ctxts[i].ref = 0; 303e705c121SKalle Valo } 304e705c121SKalle Valo } 305e705c121SKalle Valo 306e705c121SKalle Valo struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, 307e705c121SKalle Valo const char *alpha2, 308e705c121SKalle Valo enum iwl_mcc_source src_id, 309e705c121SKalle Valo bool *changed) 310e705c121SKalle Valo { 311e705c121SKalle Valo struct ieee80211_regdomain *regd = NULL; 312e705c121SKalle Valo struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 313e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 314e705c121SKalle Valo struct iwl_mcc_update_resp *resp; 315e705c121SKalle Valo 316e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2); 317e705c121SKalle Valo 318e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 319e705c121SKalle Valo 320e705c121SKalle Valo resp = iwl_mvm_update_mcc(mvm, alpha2, src_id); 321e705c121SKalle Valo if (IS_ERR_OR_NULL(resp)) { 322e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n", 323e705c121SKalle Valo PTR_ERR_OR_ZERO(resp)); 324e705c121SKalle Valo goto out; 325e705c121SKalle Valo } 326e705c121SKalle Valo 32782715ac7SEmmanuel Grumbach if (changed) { 32882715ac7SEmmanuel Grumbach u32 status = le32_to_cpu(resp->status); 32982715ac7SEmmanuel Grumbach 33082715ac7SEmmanuel Grumbach *changed = (status == MCC_RESP_NEW_CHAN_PROFILE || 33182715ac7SEmmanuel Grumbach status == MCC_RESP_ILLEGAL); 33282715ac7SEmmanuel Grumbach } 333e705c121SKalle Valo 334e705c121SKalle Valo regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg, 335e705c121SKalle Valo __le32_to_cpu(resp->n_channels), 336e705c121SKalle Valo resp->channels, 33777e30e10SHaim Dreyfuss __le16_to_cpu(resp->mcc), 33877e30e10SHaim Dreyfuss __le16_to_cpu(resp->geo_info)); 339e705c121SKalle Valo /* Store the return source id */ 340e705c121SKalle Valo src_id = resp->source_id; 341e705c121SKalle Valo kfree(resp); 342e705c121SKalle Valo if (IS_ERR_OR_NULL(regd)) { 343e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n", 344e705c121SKalle Valo PTR_ERR_OR_ZERO(regd)); 345e705c121SKalle Valo goto out; 346e705c121SKalle Valo } 347e705c121SKalle Valo 348e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n", 349e705c121SKalle Valo regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id); 350e705c121SKalle Valo mvm->lar_regdom_set = true; 351e705c121SKalle Valo mvm->mcc_src = src_id; 352e705c121SKalle Valo 353e705c121SKalle Valo out: 354e705c121SKalle Valo return regd; 355e705c121SKalle Valo } 356e705c121SKalle Valo 357e705c121SKalle Valo void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm) 358e705c121SKalle Valo { 359e705c121SKalle Valo bool changed; 360e705c121SKalle Valo struct ieee80211_regdomain *regd; 361e705c121SKalle Valo 362e705c121SKalle Valo if (!iwl_mvm_is_lar_supported(mvm)) 363e705c121SKalle Valo return; 364e705c121SKalle Valo 365e705c121SKalle Valo regd = iwl_mvm_get_current_regdomain(mvm, &changed); 366e705c121SKalle Valo if (!IS_ERR_OR_NULL(regd)) { 367e705c121SKalle Valo /* only update the regulatory core if changed */ 368e705c121SKalle Valo if (changed) 369e705c121SKalle Valo regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); 370e705c121SKalle Valo 371e705c121SKalle Valo kfree(regd); 372e705c121SKalle Valo } 373e705c121SKalle Valo } 374e705c121SKalle Valo 375e705c121SKalle Valo struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 376e705c121SKalle Valo bool *changed) 377e705c121SKalle Valo { 378e705c121SKalle Valo return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ", 379e705c121SKalle Valo iwl_mvm_is_wifi_mcc_supported(mvm) ? 380e705c121SKalle Valo MCC_SOURCE_GET_CURRENT : 381e705c121SKalle Valo MCC_SOURCE_OLD_FW, changed); 382e705c121SKalle Valo } 383e705c121SKalle Valo 384e705c121SKalle Valo int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm) 385e705c121SKalle Valo { 386e705c121SKalle Valo enum iwl_mcc_source used_src; 387e705c121SKalle Valo struct ieee80211_regdomain *regd; 388e705c121SKalle Valo int ret; 389e705c121SKalle Valo bool changed; 390e705c121SKalle Valo const struct ieee80211_regdomain *r = 391e705c121SKalle Valo rtnl_dereference(mvm->hw->wiphy->regd); 392e705c121SKalle Valo 393e705c121SKalle Valo if (!r) 394e705c121SKalle Valo return -ENOENT; 395e705c121SKalle Valo 396e705c121SKalle Valo /* save the last source in case we overwrite it below */ 397e705c121SKalle Valo used_src = mvm->mcc_src; 398e705c121SKalle Valo if (iwl_mvm_is_wifi_mcc_supported(mvm)) { 399e705c121SKalle Valo /* Notify the firmware we support wifi location updates */ 400e705c121SKalle Valo regd = iwl_mvm_get_current_regdomain(mvm, NULL); 401e705c121SKalle Valo if (!IS_ERR_OR_NULL(regd)) 402e705c121SKalle Valo kfree(regd); 403e705c121SKalle Valo } 404e705c121SKalle Valo 405e705c121SKalle Valo /* Now set our last stored MCC and source */ 406e705c121SKalle Valo regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src, 407e705c121SKalle Valo &changed); 408e705c121SKalle Valo if (IS_ERR_OR_NULL(regd)) 409e705c121SKalle Valo return -EIO; 410e705c121SKalle Valo 411e705c121SKalle Valo /* update cfg80211 if the regdomain was changed */ 412e705c121SKalle Valo if (changed) 413e705c121SKalle Valo ret = regulatory_set_wiphy_regd_sync_rtnl(mvm->hw->wiphy, regd); 414e705c121SKalle Valo else 415e705c121SKalle Valo ret = 0; 416e705c121SKalle Valo 417e705c121SKalle Valo kfree(regd); 418e705c121SKalle Valo return ret; 419e705c121SKalle Valo } 420e705c121SKalle Valo 4217360f99eSEmmanuel Grumbach const static u8 he_if_types_ext_capa_sta[] = { 4227360f99eSEmmanuel Grumbach [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 4237360f99eSEmmanuel Grumbach [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, 4247360f99eSEmmanuel Grumbach [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, 4257360f99eSEmmanuel Grumbach }; 4267360f99eSEmmanuel Grumbach 4277360f99eSEmmanuel Grumbach const static struct wiphy_iftype_ext_capab he_iftypes_ext_capa[] = { 4287360f99eSEmmanuel Grumbach { 4297360f99eSEmmanuel Grumbach .iftype = NL80211_IFTYPE_STATION, 4307360f99eSEmmanuel Grumbach .extended_capabilities = he_if_types_ext_capa_sta, 4317360f99eSEmmanuel Grumbach .extended_capabilities_mask = he_if_types_ext_capa_sta, 4327360f99eSEmmanuel Grumbach .extended_capabilities_len = sizeof(he_if_types_ext_capa_sta), 4337360f99eSEmmanuel Grumbach }, 4347360f99eSEmmanuel Grumbach }; 4357360f99eSEmmanuel Grumbach 436e705c121SKalle Valo int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) 437e705c121SKalle Valo { 438e705c121SKalle Valo struct ieee80211_hw *hw = mvm->hw; 439e705c121SKalle Valo int num_mac, ret, i; 440e705c121SKalle Valo static const u32 mvm_ciphers[] = { 441e705c121SKalle Valo WLAN_CIPHER_SUITE_WEP40, 442e705c121SKalle Valo WLAN_CIPHER_SUITE_WEP104, 443e705c121SKalle Valo WLAN_CIPHER_SUITE_TKIP, 444e705c121SKalle Valo WLAN_CIPHER_SUITE_CCMP, 445e705c121SKalle Valo }; 4463f37c229SIdo Yariv #ifdef CONFIG_PM_SLEEP 4473f37c229SIdo Yariv bool unified = fw_has_capa(&mvm->fw->ucode_capa, 4483f37c229SIdo Yariv IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); 4493f37c229SIdo Yariv #endif 450e705c121SKalle Valo 451e705c121SKalle Valo /* Tell mac80211 our characteristics */ 452e705c121SKalle Valo ieee80211_hw_set(hw, SIGNAL_DBM); 453e705c121SKalle Valo ieee80211_hw_set(hw, SPECTRUM_MGMT); 454e705c121SKalle Valo ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 455e705c121SKalle Valo ieee80211_hw_set(hw, WANT_MONITOR_VIF); 456e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_PS); 457e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 458e705c121SKalle Valo ieee80211_hw_set(hw, AMPDU_AGGREGATION); 459e705c121SKalle Valo ieee80211_hw_set(hw, TIMING_BEACON_ONLY); 460e705c121SKalle Valo ieee80211_hw_set(hw, CONNECTION_MONITOR); 461e705c121SKalle Valo ieee80211_hw_set(hw, CHANCTX_STA_CSA); 462e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 463e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); 464909ddf0bSJohannes Berg ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 46530433d3bSJohannes Berg ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); 466d270e7b8SIlan Peer ieee80211_hw_set(hw, DEAUTH_NEED_MGD_TX_PREP); 467520229e4SShaul Triebitz ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); 468cfbc6c4cSSara Sharon ieee80211_hw_set(hw, BUFF_MMPDU_TXQ); 469cfbc6c4cSSara Sharon ieee80211_hw_set(hw, STA_MMPDU_TXQ); 470438af969SSara Sharon ieee80211_hw_set(hw, TX_AMSDU); 471438af969SSara Sharon ieee80211_hw_set(hw, TX_FRAG_LIST); 472ecaf71deSGregory Greenman 4734243edb4SEmmanuel Grumbach if (iwl_mvm_has_tlc_offload(mvm)) { 474ecaf71deSGregory Greenman ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); 475ecaf71deSGregory Greenman ieee80211_hw_set(hw, HAS_RATE_CONTROL); 476ecaf71deSGregory Greenman } 477ecaf71deSGregory Greenman 478b915c101SSara Sharon if (iwl_mvm_has_new_rx_api(mvm)) 479b915c101SSara Sharon ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); 480960f864bSJohannes Berg 481960f864bSJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 482960f864bSJohannes Berg IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) { 48365e25482SJohannes Berg ieee80211_hw_set(hw, AP_LINK_PS); 484960f864bSJohannes Berg } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) { 485960f864bSJohannes Berg /* 486960f864bSJohannes Berg * we absolutely need this for the new TX API since that comes 487960f864bSJohannes Berg * with many more queues than the current code can deal with 488960f864bSJohannes Berg * for station powersave 489960f864bSJohannes Berg */ 490960f864bSJohannes Berg return -EINVAL; 491960f864bSJohannes Berg } 492e705c121SKalle Valo 49380938abcSJohannes Berg if (mvm->trans->num_rx_queues > 1) 49480938abcSJohannes Berg ieee80211_hw_set(hw, USES_RSS); 49580938abcSJohannes Berg 4962d7cf549SJohannes Berg if (mvm->trans->max_skb_frags) 4972d7cf549SJohannes Berg hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; 4982d7cf549SJohannes Berg 499cf961e16SLiad Kaufman hw->queues = IEEE80211_MAX_QUEUES; 500e705c121SKalle Valo hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; 501e705c121SKalle Valo hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | 502e705c121SKalle Valo IEEE80211_RADIOTAP_MCS_HAVE_STBC; 503e705c121SKalle Valo hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | 504e705c121SKalle Valo IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; 505371a17edSJohannes Berg 506371a17edSJohannes Berg hw->radiotap_timestamp.units_pos = 507371a17edSJohannes Berg IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | 508371a17edSJohannes Berg IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; 509371a17edSJohannes Berg /* this is the case for CCK frames, it's better (only 8) for OFDM */ 510371a17edSJohannes Berg hw->radiotap_timestamp.accuracy = 22; 511371a17edSJohannes Berg 5124243edb4SEmmanuel Grumbach if (!iwl_mvm_has_tlc_offload(mvm)) 5139f66a397SGregory Greenman hw->rate_control_algorithm = RS_NAME; 5149f66a397SGregory Greenman 515e705c121SKalle Valo hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; 516e705c121SKalle Valo hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; 517438af969SSara Sharon hw->max_tx_fragments = mvm->trans->max_skb_frags; 518e705c121SKalle Valo 5198e160ab8SAyala Beker BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); 520e705c121SKalle Valo memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); 521e705c121SKalle Valo hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); 522e705c121SKalle Valo hw->wiphy->cipher_suites = mvm->ciphers; 523e705c121SKalle Valo 5242a53d166SAyala Beker if (iwl_mvm_has_new_rx_api(mvm)) { 5252a53d166SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 5262a53d166SAyala Beker WLAN_CIPHER_SUITE_GCMP; 5272a53d166SAyala Beker hw->wiphy->n_cipher_suites++; 5282a53d166SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 5292a53d166SAyala Beker WLAN_CIPHER_SUITE_GCMP_256; 5302a53d166SAyala Beker hw->wiphy->n_cipher_suites++; 5312a53d166SAyala Beker } 5322a53d166SAyala Beker 5334b87e5afSLuca Coelho /* Enable 11w if software crypto is not enabled (as the 5344b87e5afSLuca Coelho * firmware will interpret some mgmt packets, so enabling it 5354b87e5afSLuca Coelho * with software crypto isn't safe). 536e705c121SKalle Valo */ 5373b37f4c9SJohannes Berg if (!iwlwifi_mod_params.swcrypto) { 538e705c121SKalle Valo ieee80211_hw_set(hw, MFP_CAPABLE); 539e705c121SKalle Valo mvm->ciphers[hw->wiphy->n_cipher_suites] = 540e705c121SKalle Valo WLAN_CIPHER_SUITE_AES_CMAC; 541e705c121SKalle Valo hw->wiphy->n_cipher_suites++; 5428e160ab8SAyala Beker if (iwl_mvm_has_new_rx_api(mvm)) { 5438e160ab8SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 5448e160ab8SAyala Beker WLAN_CIPHER_SUITE_BIP_GMAC_128; 5458e160ab8SAyala Beker hw->wiphy->n_cipher_suites++; 5468e160ab8SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 5478e160ab8SAyala Beker WLAN_CIPHER_SUITE_BIP_GMAC_256; 5488e160ab8SAyala Beker hw->wiphy->n_cipher_suites++; 5498e160ab8SAyala Beker } 550e705c121SKalle Valo } 551e705c121SKalle Valo 552e705c121SKalle Valo /* currently FW API supports only one optional cipher scheme */ 553e705c121SKalle Valo if (mvm->fw->cs[0].cipher) { 55424ddddf3SJohannes Berg const struct iwl_fw_cipher_scheme *fwcs = &mvm->fw->cs[0]; 55524ddddf3SJohannes Berg struct ieee80211_cipher_scheme *cs = &mvm->cs[0]; 55624ddddf3SJohannes Berg 557e705c121SKalle Valo mvm->hw->n_cipher_schemes = 1; 55824ddddf3SJohannes Berg 55924ddddf3SJohannes Berg cs->cipher = le32_to_cpu(fwcs->cipher); 56024ddddf3SJohannes Berg cs->iftype = BIT(NL80211_IFTYPE_STATION); 56124ddddf3SJohannes Berg cs->hdr_len = fwcs->hdr_len; 56224ddddf3SJohannes Berg cs->pn_len = fwcs->pn_len; 56324ddddf3SJohannes Berg cs->pn_off = fwcs->pn_off; 56424ddddf3SJohannes Berg cs->key_idx_off = fwcs->key_idx_off; 56524ddddf3SJohannes Berg cs->key_idx_mask = fwcs->key_idx_mask; 56624ddddf3SJohannes Berg cs->key_idx_shift = fwcs->key_idx_shift; 56724ddddf3SJohannes Berg cs->mic_len = fwcs->mic_len; 56824ddddf3SJohannes Berg 56924ddddf3SJohannes Berg mvm->hw->cipher_schemes = mvm->cs; 57024ddddf3SJohannes Berg mvm->ciphers[hw->wiphy->n_cipher_suites] = cs->cipher; 571e705c121SKalle Valo hw->wiphy->n_cipher_suites++; 572e705c121SKalle Valo } 573e705c121SKalle Valo 574b73f9a4aSJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 575fc36ffdaSJohannes Berg IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) { 576b73f9a4aSJohannes Berg wiphy_ext_feature_set(hw->wiphy, 577b73f9a4aSJohannes Berg NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); 578fc36ffdaSJohannes Berg hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa; 579fc36ffdaSJohannes Berg } 580b73f9a4aSJohannes Berg 581e705c121SKalle Valo ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); 582e705c121SKalle Valo hw->wiphy->features |= 583e705c121SKalle Valo NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 584e705c121SKalle Valo NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 585e705c121SKalle Valo NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 586e705c121SKalle Valo 587e705c121SKalle Valo hw->sta_data_size = sizeof(struct iwl_mvm_sta); 588e705c121SKalle Valo hw->vif_data_size = sizeof(struct iwl_mvm_vif); 589e705c121SKalle Valo hw->chanctx_data_size = sizeof(u16); 590cfbc6c4cSSara Sharon hw->txq_data_size = sizeof(struct iwl_mvm_txq); 591e705c121SKalle Valo 592e705c121SKalle Valo hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 593e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT) | 594e705c121SKalle Valo BIT(NL80211_IFTYPE_AP) | 595e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_GO) | 596e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_DEVICE) | 597e705c121SKalle Valo BIT(NL80211_IFTYPE_ADHOC); 598e705c121SKalle Valo 599e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 600e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; 601e705c121SKalle Valo if (iwl_mvm_is_lar_supported(mvm)) 602e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 603e705c121SKalle Valo else 604e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 605e705c121SKalle Valo REGULATORY_DISABLE_BEACON_HINTS; 606e705c121SKalle Valo 607e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 608e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 609e705c121SKalle Valo 610e705c121SKalle Valo hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; 611e705c121SKalle Valo hw->wiphy->n_iface_combinations = 612e705c121SKalle Valo ARRAY_SIZE(iwl_mvm_iface_combinations); 613e705c121SKalle Valo 614e705c121SKalle Valo hw->wiphy->max_remain_on_channel_duration = 10000; 615e705c121SKalle Valo hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; 616e705c121SKalle Valo 617e705c121SKalle Valo /* Extract MAC address */ 618e705c121SKalle Valo memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); 619e705c121SKalle Valo hw->wiphy->addresses = mvm->addresses; 620e705c121SKalle Valo hw->wiphy->n_addresses = 1; 621e705c121SKalle Valo 622e705c121SKalle Valo /* Extract additional MAC addresses if available */ 623e705c121SKalle Valo num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? 624e705c121SKalle Valo min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; 625e705c121SKalle Valo 626e705c121SKalle Valo for (i = 1; i < num_mac; i++) { 627e705c121SKalle Valo memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, 628e705c121SKalle Valo ETH_ALEN); 629e705c121SKalle Valo mvm->addresses[i].addr[5]++; 630e705c121SKalle Valo hw->wiphy->n_addresses++; 631e705c121SKalle Valo } 632e705c121SKalle Valo 633e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 634e705c121SKalle Valo 635e705c121SKalle Valo hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); 636e705c121SKalle Valo 637e705c121SKalle Valo hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; 638e705c121SKalle Valo 639e705c121SKalle Valo BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); 640e705c121SKalle Valo BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || 641e705c121SKalle Valo IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); 642e705c121SKalle Valo 643e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 644e705c121SKalle Valo mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS; 645e705c121SKalle Valo else 646e705c121SKalle Valo mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS; 647e705c121SKalle Valo 64857fbcce3SJohannes Berg if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) 64957fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_2GHZ] = 65057fbcce3SJohannes Berg &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; 65157fbcce3SJohannes Berg if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { 65257fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ] = 65357fbcce3SJohannes Berg &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; 654e705c121SKalle Valo 655e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 656e705c121SKalle Valo IWL_UCODE_TLV_CAPA_BEAMFORMER) && 657e705c121SKalle Valo fw_has_api(&mvm->fw->ucode_capa, 658e705c121SKalle Valo IWL_UCODE_TLV_API_LQ_SS_PARAMS)) 65957fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= 660e705c121SKalle Valo IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; 661e705c121SKalle Valo } 662e705c121SKalle Valo 663e705c121SKalle Valo hw->wiphy->hw_version = mvm->trans->hw_id; 664e705c121SKalle Valo 665e705c121SKalle Valo if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) 666e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; 667e705c121SKalle Valo else 668e705c121SKalle Valo hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 669e705c121SKalle Valo 670ca986ad9SArend Van Spriel hw->wiphy->max_sched_scan_reqs = 1; 671e705c121SKalle Valo hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; 672e705c121SKalle Valo hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES; 673e705c121SKalle Valo /* we create the 802.11 header and zero length SSID IE. */ 674e705c121SKalle Valo hw->wiphy->max_sched_scan_ie_len = 675e705c121SKalle Valo SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; 676e705c121SKalle Valo hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; 677e705c121SKalle Valo hw->wiphy->max_sched_scan_plan_interval = U16_MAX; 678e705c121SKalle Valo 679e705c121SKalle Valo /* 680e705c121SKalle Valo * the firmware uses u8 for num of iterations, but 0xff is saved for 681e705c121SKalle Valo * infinite loop, so the maximum number of iterations is actually 254. 682e705c121SKalle Valo */ 683e705c121SKalle Valo hw->wiphy->max_sched_scan_plan_iterations = 254; 684e705c121SKalle Valo 685e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | 686e705c121SKalle Valo NL80211_FEATURE_LOW_PRIORITY_SCAN | 687e705c121SKalle Valo NL80211_FEATURE_P2P_GO_OPPPS | 688a904a08bSPeer, Ilan NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 689e705c121SKalle Valo NL80211_FEATURE_DYNAMIC_SMPS | 690e705c121SKalle Valo NL80211_FEATURE_STATIC_SMPS | 691e705c121SKalle Valo NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; 692e705c121SKalle Valo 693e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 694e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) 695e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; 696e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 697e705c121SKalle Valo IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) 698e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_QUIET; 699e705c121SKalle Valo 700e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 701e705c121SKalle Valo IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) 702e705c121SKalle Valo hw->wiphy->features |= 703e705c121SKalle Valo NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; 704e705c121SKalle Valo 705e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 706e705c121SKalle Valo IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) 707e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; 708e705c121SKalle Valo 709aacf8f18SAvrahams Stern if (fw_has_api(&mvm->fw->ucode_capa, 710aacf8f18SAvrahams Stern IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { 711aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 712aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_SCAN_START_TIME); 713aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 714aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_BSS_PARENT_TSF); 715aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 716aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_SET_SCAN_DWELL); 717aacf8f18SAvrahams Stern } 718aacf8f18SAvrahams Stern 7198f691af9SZamir, Roee if (iwl_mvm_is_oce_supported(mvm)) { 7208f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 7218f691af9SZamir, Roee NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP); 7228f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 7238f691af9SZamir, Roee NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME); 7248f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 7258f691af9SZamir, Roee NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION); 7268f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 7278f691af9SZamir, Roee NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE); 7288f691af9SZamir, Roee } 7298f691af9SZamir, Roee 7307360f99eSEmmanuel Grumbach if (mvm->nvm_data->sku_cap_11ax_enable && 7317360f99eSEmmanuel Grumbach !iwlwifi_mod_params.disable_11ax) { 7327360f99eSEmmanuel Grumbach hw->wiphy->iftype_ext_capab = he_iftypes_ext_capa; 7337360f99eSEmmanuel Grumbach hw->wiphy->num_iftype_ext_capab = 7347360f99eSEmmanuel Grumbach ARRAY_SIZE(he_iftypes_ext_capa); 7357360f99eSEmmanuel Grumbach } 7367360f99eSEmmanuel Grumbach 737e705c121SKalle Valo mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; 738e705c121SKalle Valo 739e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 740e705c121SKalle Valo if (iwl_mvm_is_d0i3_supported(mvm) && 741e705c121SKalle Valo device_can_wakeup(mvm->trans->dev)) { 742e705c121SKalle Valo mvm->wowlan.flags = WIPHY_WOWLAN_ANY; 743e705c121SKalle Valo hw->wiphy->wowlan = &mvm->wowlan; 744e705c121SKalle Valo } 745e705c121SKalle Valo 7463f37c229SIdo Yariv if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) && 747e705c121SKalle Valo mvm->trans->ops->d3_suspend && 748e705c121SKalle Valo mvm->trans->ops->d3_resume && 749e705c121SKalle Valo device_can_wakeup(mvm->trans->dev)) { 750e705c121SKalle Valo mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | 751e705c121SKalle Valo WIPHY_WOWLAN_DISCONNECT | 752e705c121SKalle Valo WIPHY_WOWLAN_EAP_IDENTITY_REQ | 753e705c121SKalle Valo WIPHY_WOWLAN_RFKILL_RELEASE | 754e705c121SKalle Valo WIPHY_WOWLAN_NET_DETECT; 7553b37f4c9SJohannes Berg if (!iwlwifi_mod_params.swcrypto) 756e705c121SKalle Valo mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 757e705c121SKalle Valo WIPHY_WOWLAN_GTK_REKEY_FAILURE | 758e705c121SKalle Valo WIPHY_WOWLAN_4WAY_HANDSHAKE; 759e705c121SKalle Valo 760e705c121SKalle Valo mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; 761e705c121SKalle Valo mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; 762e705c121SKalle Valo mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; 763e705c121SKalle Valo mvm->wowlan.max_nd_match_sets = IWL_SCAN_MAX_PROFILES; 764e705c121SKalle Valo hw->wiphy->wowlan = &mvm->wowlan; 765e705c121SKalle Valo } 766e705c121SKalle Valo #endif 767e705c121SKalle Valo 768e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 769e705c121SKalle Valo /* assign default bcast filtering configuration */ 770e705c121SKalle Valo mvm->bcast_filters = iwl_mvm_default_bcast_filters; 771e705c121SKalle Valo #endif 772e705c121SKalle Valo 773e705c121SKalle Valo ret = iwl_mvm_leds_init(mvm); 774e705c121SKalle Valo if (ret) 775e705c121SKalle Valo return ret; 776e705c121SKalle Valo 777e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 778e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { 779e705c121SKalle Valo IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); 780e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 781e705c121SKalle Valo ieee80211_hw_set(hw, TDLS_WIDER_BW); 782e705c121SKalle Valo } 783e705c121SKalle Valo 784e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 785e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { 786e705c121SKalle Valo IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); 787e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 788e705c121SKalle Valo } 789e705c121SKalle Valo 790e705c121SKalle Valo hw->netdev_features |= mvm->cfg->features; 7915e6a98dcSSara Sharon if (!iwl_mvm_is_csum_supported(mvm)) { 7925e6a98dcSSara Sharon hw->netdev_features &= ~(IWL_TX_CSUM_NETIF_FLAGS | 7935e6a98dcSSara Sharon NETIF_F_RXCSUM); 7945e6a98dcSSara Sharon /* We may support SW TX CSUM */ 79541837ca9SEmmanuel Grumbach if (IWL_MVM_SW_TX_CSUM_OFFLOAD) 7965e6a98dcSSara Sharon hw->netdev_features |= IWL_TX_CSUM_NETIF_FLAGS; 7975e6a98dcSSara Sharon } 79841837ca9SEmmanuel Grumbach 79991b08c2dSAviya Erenfeld if (mvm->cfg->vht_mu_mimo_supported) 80091b08c2dSAviya Erenfeld wiphy_ext_feature_set(hw->wiphy, 80191b08c2dSAviya Erenfeld NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); 80291b08c2dSAviya Erenfeld 803de645e89SJohannes Berg ret = ieee80211_register_hw(mvm->hw); 804de645e89SJohannes Berg if (ret) { 805de645e89SJohannes Berg iwl_mvm_leds_exit(mvm); 806e705c121SKalle Valo } 807e705c121SKalle Valo 808e705c121SKalle Valo return ret; 809e705c121SKalle Valo } 810e705c121SKalle Valo 811e705c121SKalle Valo static bool iwl_mvm_defer_tx(struct iwl_mvm *mvm, 812e705c121SKalle Valo struct ieee80211_sta *sta, 813e705c121SKalle Valo struct sk_buff *skb) 814e705c121SKalle Valo { 815e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 816e705c121SKalle Valo bool defer = false; 817e705c121SKalle Valo 818e705c121SKalle Valo /* 819e705c121SKalle Valo * double check the IN_D0I3 flag both before and after 820e705c121SKalle Valo * taking the spinlock, in order to prevent taking 821e705c121SKalle Valo * the spinlock when not needed. 822e705c121SKalle Valo */ 823e705c121SKalle Valo if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))) 824e705c121SKalle Valo return false; 825e705c121SKalle Valo 826e705c121SKalle Valo spin_lock(&mvm->d0i3_tx_lock); 827e705c121SKalle Valo /* 828e705c121SKalle Valo * testing the flag again ensures the skb dequeue 829e705c121SKalle Valo * loop (on d0i3 exit) hasn't run yet. 830e705c121SKalle Valo */ 831e705c121SKalle Valo if (!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)) 832e705c121SKalle Valo goto out; 833e705c121SKalle Valo 834e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_mac80211(sta); 8350ae98812SSara Sharon if (mvmsta->sta_id == IWL_MVM_INVALID_STA || 836e705c121SKalle Valo mvmsta->sta_id != mvm->d0i3_ap_sta_id) 837e705c121SKalle Valo goto out; 838e705c121SKalle Valo 839e705c121SKalle Valo __skb_queue_tail(&mvm->d0i3_tx, skb); 840e705c121SKalle Valo 841e705c121SKalle Valo /* trigger wakeup */ 842e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_TX); 843e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_TX); 844e705c121SKalle Valo 845e705c121SKalle Valo defer = true; 846e705c121SKalle Valo out: 847e705c121SKalle Valo spin_unlock(&mvm->d0i3_tx_lock); 848e705c121SKalle Valo return defer; 849e705c121SKalle Valo } 850e705c121SKalle Valo 851e705c121SKalle Valo static void iwl_mvm_mac_tx(struct ieee80211_hw *hw, 852e705c121SKalle Valo struct ieee80211_tx_control *control, 853e705c121SKalle Valo struct sk_buff *skb) 854e705c121SKalle Valo { 855e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 856e705c121SKalle Valo struct ieee80211_sta *sta = control->sta; 857e705c121SKalle Valo struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 858e705c121SKalle Valo struct ieee80211_hdr *hdr = (void *)skb->data; 859cfbc6c4cSSara Sharon bool offchannel = IEEE80211_SKB_CB(skb)->flags & 860cfbc6c4cSSara Sharon IEEE80211_TX_CTL_TX_OFFCHAN; 861e705c121SKalle Valo 862e705c121SKalle Valo if (iwl_mvm_is_radio_killed(mvm)) { 863e705c121SKalle Valo IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); 864e705c121SKalle Valo goto drop; 865e705c121SKalle Valo } 866e705c121SKalle Valo 867cfbc6c4cSSara Sharon if (offchannel && 868e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) && 869e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) 870e705c121SKalle Valo goto drop; 871e705c121SKalle Valo 872eb045e6eSDavid Spinadel /* treat non-bufferable MMPDUs on AP interfaces as broadcast */ 873eb045e6eSDavid Spinadel if ((info->control.vif->type == NL80211_IFTYPE_AP || 874eb045e6eSDavid Spinadel info->control.vif->type == NL80211_IFTYPE_ADHOC) && 875e705c121SKalle Valo ieee80211_is_mgmt(hdr->frame_control) && 876eb045e6eSDavid Spinadel !ieee80211_is_bufferable_mmpdu(hdr->frame_control)) 877e705c121SKalle Valo sta = NULL; 878e705c121SKalle Valo 879dc1aca22SAndrei Otcheretianski /* If there is no sta, and it's not offchannel - send through AP */ 880cfbc6c4cSSara Sharon if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION && 881cfbc6c4cSSara Sharon !offchannel) { 882dc1aca22SAndrei Otcheretianski struct iwl_mvm_vif *mvmvif = 883dc1aca22SAndrei Otcheretianski iwl_mvm_vif_from_mac80211(info->control.vif); 884dc1aca22SAndrei Otcheretianski u8 ap_sta_id = READ_ONCE(mvmvif->ap_sta_id); 885dc1aca22SAndrei Otcheretianski 886dc1aca22SAndrei Otcheretianski if (ap_sta_id < IWL_MVM_STATION_COUNT) { 887dc1aca22SAndrei Otcheretianski /* mac80211 holds rcu read lock */ 888dc1aca22SAndrei Otcheretianski sta = rcu_dereference(mvm->fw_id_to_mac_id[ap_sta_id]); 889dc1aca22SAndrei Otcheretianski if (IS_ERR_OR_NULL(sta)) 890dc1aca22SAndrei Otcheretianski goto drop; 891dc1aca22SAndrei Otcheretianski } 892dc1aca22SAndrei Otcheretianski } 893dc1aca22SAndrei Otcheretianski 894e705c121SKalle Valo if (sta) { 895e705c121SKalle Valo if (iwl_mvm_defer_tx(mvm, sta, skb)) 896e705c121SKalle Valo return; 897e705c121SKalle Valo if (iwl_mvm_tx_skb(mvm, skb, sta)) 898e705c121SKalle Valo goto drop; 899e705c121SKalle Valo return; 900e705c121SKalle Valo } 901e705c121SKalle Valo 902e705c121SKalle Valo if (iwl_mvm_tx_skb_non_sta(mvm, skb)) 903e705c121SKalle Valo goto drop; 904e705c121SKalle Valo return; 905e705c121SKalle Valo drop: 906e705c121SKalle Valo ieee80211_free_txskb(hw, skb); 907e705c121SKalle Valo } 908e705c121SKalle Valo 909cfbc6c4cSSara Sharon void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq) 910e705c121SKalle Valo { 911cfbc6c4cSSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 912cfbc6c4cSSara Sharon struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 913cfbc6c4cSSara Sharon struct sk_buff *skb = NULL; 914cfbc6c4cSSara Sharon 915fba8248eSSara Sharon /* 916fba8248eSSara Sharon * No need for threads to be pending here, they can leave the first 917fba8248eSSara Sharon * taker all the work. 918fba8248eSSara Sharon * 919fba8248eSSara Sharon * mvmtxq->tx_request logic: 920fba8248eSSara Sharon * 921fba8248eSSara Sharon * If 0, no one is currently TXing, set to 1 to indicate current thread 922fba8248eSSara Sharon * will now start TX and other threads should quit. 923fba8248eSSara Sharon * 924fba8248eSSara Sharon * If 1, another thread is currently TXing, set to 2 to indicate to 925fba8248eSSara Sharon * that thread that there was another request. Since that request may 926fba8248eSSara Sharon * have raced with the check whether the queue is empty, the TXing 927fba8248eSSara Sharon * thread should check the queue's status one more time before leaving. 928fba8248eSSara Sharon * This check is done in order to not leave any TX hanging in the queue 929fba8248eSSara Sharon * until the next TX invocation (which may not even happen). 930fba8248eSSara Sharon * 931fba8248eSSara Sharon * If 2, another thread is currently TXing, and it will already double 932fba8248eSSara Sharon * check the queue, so do nothing. 933fba8248eSSara Sharon */ 934fba8248eSSara Sharon if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2)) 935fba8248eSSara Sharon return; 936cfbc6c4cSSara Sharon 937cfbc6c4cSSara Sharon rcu_read_lock(); 938fba8248eSSara Sharon do { 939cfbc6c4cSSara Sharon while (likely(!mvmtxq->stopped && 940cfbc6c4cSSara Sharon (mvm->trans->system_pm_mode == 941cfbc6c4cSSara Sharon IWL_PLAT_PM_MODE_DISABLED))) { 942cfbc6c4cSSara Sharon skb = ieee80211_tx_dequeue(hw, txq); 943cfbc6c4cSSara Sharon 944f50d693bSSara Sharon if (!skb) { 945f50d693bSSara Sharon if (txq->sta) 946f50d693bSSara Sharon IWL_DEBUG_TX(mvm, 947f50d693bSSara Sharon "TXQ of sta %pM tid %d is now empty\n", 948f50d693bSSara Sharon txq->sta->addr, 949f50d693bSSara Sharon txq->tid); 950cfbc6c4cSSara Sharon break; 951f50d693bSSara Sharon } 952cfbc6c4cSSara Sharon 953cfbc6c4cSSara Sharon if (!txq->sta) 954cfbc6c4cSSara Sharon iwl_mvm_tx_skb_non_sta(mvm, skb); 955cfbc6c4cSSara Sharon else 956cfbc6c4cSSara Sharon iwl_mvm_tx_skb(mvm, skb, txq->sta); 957cfbc6c4cSSara Sharon } 958fba8248eSSara Sharon } while (atomic_dec_return(&mvmtxq->tx_request)); 959cfbc6c4cSSara Sharon rcu_read_unlock(); 960e705c121SKalle Valo } 961e705c121SKalle Valo 962cfbc6c4cSSara Sharon static void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw, 963cfbc6c4cSSara Sharon struct ieee80211_txq *txq) 964e705c121SKalle Valo { 965cfbc6c4cSSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 966cfbc6c4cSSara Sharon struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 967e705c121SKalle Valo 968cfbc6c4cSSara Sharon /* 969cfbc6c4cSSara Sharon * Please note that racing is handled very carefully here: 970cfbc6c4cSSara Sharon * mvmtxq->txq_id is updated during allocation, and mvmtxq->list is 971cfbc6c4cSSara Sharon * deleted afterwards. 972cfbc6c4cSSara Sharon * This means that if: 973cfbc6c4cSSara Sharon * mvmtxq->txq_id != INVALID_QUEUE && list_empty(&mvmtxq->list): 974cfbc6c4cSSara Sharon * queue is allocated and we can TX. 975cfbc6c4cSSara Sharon * mvmtxq->txq_id != INVALID_QUEUE && !list_empty(&mvmtxq->list): 976cfbc6c4cSSara Sharon * a race, should defer the frame. 977cfbc6c4cSSara Sharon * mvmtxq->txq_id == INVALID_QUEUE && list_empty(&mvmtxq->list): 978cfbc6c4cSSara Sharon * need to allocate the queue and defer the frame. 979cfbc6c4cSSara Sharon * mvmtxq->txq_id == INVALID_QUEUE && !list_empty(&mvmtxq->list): 980cfbc6c4cSSara Sharon * queue is already scheduled for allocation, no need to allocate, 981cfbc6c4cSSara Sharon * should defer the frame. 982cfbc6c4cSSara Sharon */ 983cfbc6c4cSSara Sharon 984cfbc6c4cSSara Sharon /* If the queue is allocated TX and return. */ 985cfbc6c4cSSara Sharon if (!txq->sta || mvmtxq->txq_id != IWL_MVM_INVALID_QUEUE) { 986cfbc6c4cSSara Sharon /* 987cfbc6c4cSSara Sharon * Check that list is empty to avoid a race where txq_id is 988cfbc6c4cSSara Sharon * already updated, but the queue allocation work wasn't 989cfbc6c4cSSara Sharon * finished 990cfbc6c4cSSara Sharon */ 991cfbc6c4cSSara Sharon if (unlikely(txq->sta && !list_empty(&mvmtxq->list))) 992cfbc6c4cSSara Sharon return; 993cfbc6c4cSSara Sharon 994cfbc6c4cSSara Sharon iwl_mvm_mac_itxq_xmit(hw, txq); 995cfbc6c4cSSara Sharon return; 996cfbc6c4cSSara Sharon } 997cfbc6c4cSSara Sharon 998cfbc6c4cSSara Sharon /* The list is being deleted only after the queue is fully allocated. */ 999cfbc6c4cSSara Sharon if (!list_empty(&mvmtxq->list)) 1000cfbc6c4cSSara Sharon return; 1001cfbc6c4cSSara Sharon 1002cfbc6c4cSSara Sharon list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs); 1003cfbc6c4cSSara Sharon schedule_work(&mvm->add_stream_wk); 1004e705c121SKalle Valo } 1005e705c121SKalle Valo 1006e705c121SKalle Valo #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ 1007e705c121SKalle Valo do { \ 1008e705c121SKalle Valo if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ 1009e705c121SKalle Valo break; \ 10107174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ 1011e705c121SKalle Valo } while (0) 1012e705c121SKalle Valo 1013e705c121SKalle Valo static void 1014e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1015e705c121SKalle Valo struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, 1016e705c121SKalle Valo enum ieee80211_ampdu_mlme_action action) 1017e705c121SKalle Valo { 1018e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 1019e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 1020e705c121SKalle Valo 10216c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 10226c042d75SSara Sharon FW_DBG_TRIGGER_BA); 10236c042d75SSara Sharon if (!trig) 1024e705c121SKalle Valo return; 1025e705c121SKalle Valo 1026e705c121SKalle Valo ba_trig = (void *)trig->data; 1027e705c121SKalle Valo 1028e705c121SKalle Valo switch (action) { 1029e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: { 1030e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 1031e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 1032e705c121SKalle Valo 1033e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, 1034e705c121SKalle Valo "TX AGG START: MAC %pM tid %d ssn %d\n", 1035e705c121SKalle Valo sta->addr, tid, tid_data->ssn); 1036e705c121SKalle Valo break; 1037e705c121SKalle Valo } 1038e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 1039e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, 1040e705c121SKalle Valo "TX AGG STOP: MAC %pM tid %d\n", 1041e705c121SKalle Valo sta->addr, tid); 1042e705c121SKalle Valo break; 1043e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 1044e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, 1045e705c121SKalle Valo "RX AGG START: MAC %pM tid %d ssn %d\n", 1046e705c121SKalle Valo sta->addr, tid, rx_ba_ssn); 1047e705c121SKalle Valo break; 1048e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 1049e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, 1050e705c121SKalle Valo "RX AGG STOP: MAC %pM tid %d\n", 1051e705c121SKalle Valo sta->addr, tid); 1052e705c121SKalle Valo break; 1053e705c121SKalle Valo default: 1054e705c121SKalle Valo break; 1055e705c121SKalle Valo } 1056e705c121SKalle Valo } 1057e705c121SKalle Valo 1058e705c121SKalle Valo static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, 1059e705c121SKalle Valo struct ieee80211_vif *vif, 106050ea05efSSara Sharon struct ieee80211_ampdu_params *params) 1061e705c121SKalle Valo { 1062e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1063e705c121SKalle Valo int ret; 1064e705c121SKalle Valo bool tx_agg_ref = false; 106550ea05efSSara Sharon struct ieee80211_sta *sta = params->sta; 106650ea05efSSara Sharon enum ieee80211_ampdu_mlme_action action = params->action; 106750ea05efSSara Sharon u16 tid = params->tid; 106850ea05efSSara Sharon u16 *ssn = ¶ms->ssn; 1069514c3069SLuca Coelho u16 buf_size = params->buf_size; 1070bb81bb68SEmmanuel Grumbach bool amsdu = params->amsdu; 107110b2b201SSara Sharon u16 timeout = params->timeout; 1072e705c121SKalle Valo 1073e705c121SKalle Valo IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", 1074e705c121SKalle Valo sta->addr, tid, action); 1075e705c121SKalle Valo 1076e705c121SKalle Valo if (!(mvm->nvm_data->sku_cap_11n_enable)) 1077e705c121SKalle Valo return -EACCES; 1078e705c121SKalle Valo 1079e705c121SKalle Valo /* return from D0i3 before starting a new Tx aggregation */ 1080e705c121SKalle Valo switch (action) { 1081e705c121SKalle Valo case IEEE80211_AMPDU_TX_START: 1082e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 1083e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH: 1084e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1085e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: 1086e705c121SKalle Valo /* 1087e705c121SKalle Valo * for tx start, wait synchronously until D0i3 exit to 1088e705c121SKalle Valo * get the correct sequence number for the tid. 1089e705c121SKalle Valo * additionally, some other ampdu actions use direct 1090e705c121SKalle Valo * target access, which is not handled automatically 1091e705c121SKalle Valo * by the trans layer (unlike commands), so wait for 1092e705c121SKalle Valo * d0i3 exit in these cases as well. 1093e705c121SKalle Valo */ 1094e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG); 1095e705c121SKalle Valo if (ret) 1096e705c121SKalle Valo return ret; 1097e705c121SKalle Valo 1098e705c121SKalle Valo tx_agg_ref = true; 1099e705c121SKalle Valo break; 1100e705c121SKalle Valo default: 1101e705c121SKalle Valo break; 1102e705c121SKalle Valo } 1103e705c121SKalle Valo 1104e705c121SKalle Valo mutex_lock(&mvm->mutex); 1105e705c121SKalle Valo 1106e705c121SKalle Valo switch (action) { 1107e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 1108b0ffe455SJohannes Berg if (iwl_mvm_vif_from_mac80211(vif)->ap_sta_id == 1109b0ffe455SJohannes Berg iwl_mvm_sta_from_mac80211(sta)->sta_id) { 1110b0ffe455SJohannes Berg struct iwl_mvm_vif *mvmvif; 1111b0ffe455SJohannes Berg u16 macid = iwl_mvm_vif_from_mac80211(vif)->id; 1112b0ffe455SJohannes Berg struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid]; 1113b0ffe455SJohannes Berg 1114b0ffe455SJohannes Berg mdata->opened_rx_ba_sessions = true; 1115b0ffe455SJohannes Berg mvmvif = iwl_mvm_vif_from_mac80211(vif); 1116b0ffe455SJohannes Berg cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk); 1117b0ffe455SJohannes Berg } 1118e78da25eSJohannes Berg if (!iwl_enable_rx_ampdu()) { 1119e705c121SKalle Valo ret = -EINVAL; 1120e705c121SKalle Valo break; 1121e705c121SKalle Valo } 112210b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, 112310b2b201SSara Sharon timeout); 1124e705c121SKalle Valo break; 1125e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 112610b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, 112710b2b201SSara Sharon timeout); 1128e705c121SKalle Valo break; 1129e705c121SKalle Valo case IEEE80211_AMPDU_TX_START: 1130e78da25eSJohannes Berg if (!iwl_enable_tx_ampdu()) { 1131e705c121SKalle Valo ret = -EINVAL; 1132e705c121SKalle Valo break; 1133e705c121SKalle Valo } 1134e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); 1135e705c121SKalle Valo break; 1136e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 1137e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); 1138e705c121SKalle Valo break; 1139e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH: 1140e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1141e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); 1142e705c121SKalle Valo break; 1143e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: 1144bb81bb68SEmmanuel Grumbach ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, 1145bb81bb68SEmmanuel Grumbach buf_size, amsdu); 1146e705c121SKalle Valo break; 1147e705c121SKalle Valo default: 1148e705c121SKalle Valo WARN_ON_ONCE(1); 1149e705c121SKalle Valo ret = -EINVAL; 1150e705c121SKalle Valo break; 1151e705c121SKalle Valo } 1152e705c121SKalle Valo 1153e705c121SKalle Valo if (!ret) { 1154e705c121SKalle Valo u16 rx_ba_ssn = 0; 1155e705c121SKalle Valo 1156e705c121SKalle Valo if (action == IEEE80211_AMPDU_RX_START) 1157e705c121SKalle Valo rx_ba_ssn = *ssn; 1158e705c121SKalle Valo 1159e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, 1160e705c121SKalle Valo rx_ba_ssn, action); 1161e705c121SKalle Valo } 1162e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1163e705c121SKalle Valo 1164e705c121SKalle Valo /* 1165e705c121SKalle Valo * If the tid is marked as started, we won't use it for offloaded 1166e705c121SKalle Valo * traffic on the next D0i3 entry. It's safe to unref. 1167e705c121SKalle Valo */ 1168e705c121SKalle Valo if (tx_agg_ref) 1169e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG); 1170e705c121SKalle Valo 1171e705c121SKalle Valo return ret; 1172e705c121SKalle Valo } 1173e705c121SKalle Valo 1174e705c121SKalle Valo static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, 1175e705c121SKalle Valo struct ieee80211_vif *vif) 1176e705c121SKalle Valo { 1177e705c121SKalle Valo struct iwl_mvm *mvm = data; 1178e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1179e705c121SKalle Valo 1180e705c121SKalle Valo mvmvif->uploaded = false; 11810ae98812SSara Sharon mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; 1182e705c121SKalle Valo 1183e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 1184e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); 1185e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 1186e705c121SKalle Valo 1187e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1188e705c121SKalle Valo memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data)); 118986e177d8SGregory Greenman memset(&mvmvif->probe_resp_data, 0, sizeof(mvmvif->probe_resp_data)); 1190e705c121SKalle Valo } 1191e705c121SKalle Valo 1192e705c121SKalle Valo static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) 1193e705c121SKalle Valo { 1194e705c121SKalle Valo /* clear the D3 reconfig, we only need it to avoid dumping a 1195e705c121SKalle Valo * firmware coredump on reconfiguration, we shouldn't do that 1196e705c121SKalle Valo * on D3->D0 transition 1197e705c121SKalle Valo */ 1198e705c121SKalle Valo if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG, &mvm->status)) { 11997174beb6SJohannes Berg mvm->fwrt.dump.desc = &iwl_dump_desc_assert; 12007174beb6SJohannes Berg iwl_fw_error_dump(&mvm->fwrt); 1201e705c121SKalle Valo } 1202e705c121SKalle Valo 1203e705c121SKalle Valo /* cleanup all stale references (scan, roc), but keep the 1204e705c121SKalle Valo * ucode_down ref until reconfig is complete 1205e705c121SKalle Valo */ 1206e705c121SKalle Valo iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN); 1207e705c121SKalle Valo 1208fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1209e705c121SKalle Valo 12109bf13beeSJohannes Berg mvm->cur_aid = 0; 12119bf13beeSJohannes Berg 1212e705c121SKalle Valo mvm->scan_status = 0; 1213e705c121SKalle Valo mvm->ps_disabled = false; 1214e705c121SKalle Valo mvm->calibrating = false; 1215e705c121SKalle Valo 1216e705c121SKalle Valo /* just in case one was running */ 1217305d236eSEliad Peller iwl_mvm_cleanup_roc_te(mvm); 1218e705c121SKalle Valo ieee80211_remain_on_channel_expired(mvm->hw); 1219e705c121SKalle Valo 1220fc36ffdaSJohannes Berg iwl_mvm_ftm_restart(mvm); 1221fc36ffdaSJohannes Berg 1222e705c121SKalle Valo /* 1223e705c121SKalle Valo * cleanup all interfaces, even inactive ones, as some might have 1224e705c121SKalle Valo * gone down during the HW restart 1225e705c121SKalle Valo */ 1226e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); 1227e705c121SKalle Valo 1228e705c121SKalle Valo mvm->p2p_device_vif = NULL; 12290ae98812SSara Sharon mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA; 1230e705c121SKalle Valo 1231e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 12329c3deeb5SLuca Coelho memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); 1233e705c121SKalle Valo memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); 1234e705c121SKalle Valo memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); 1235e705c121SKalle Valo 1236e705c121SKalle Valo ieee80211_wake_queues(mvm->hw); 1237e705c121SKalle Valo 1238e705c121SKalle Valo /* clear any stale d0i3 state */ 1239e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); 1240e705c121SKalle Valo 1241e705c121SKalle Valo mvm->vif_count = 0; 1242e705c121SKalle Valo mvm->rx_ba_sessions = 0; 12437174beb6SJohannes Berg mvm->fwrt.dump.conf = FW_DBG_INVALID; 1244baf41bc3SShaul Triebitz mvm->monitor_on = false; 1245e705c121SKalle Valo 1246e705c121SKalle Valo /* keep statistics ticking */ 1247e705c121SKalle Valo iwl_mvm_accu_radio_stats(mvm); 1248e705c121SKalle Valo } 1249e705c121SKalle Valo 1250e705c121SKalle Valo int __iwl_mvm_mac_start(struct iwl_mvm *mvm) 1251e705c121SKalle Valo { 1252e705c121SKalle Valo int ret; 1253e705c121SKalle Valo 1254e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1255e705c121SKalle Valo 1256bf8b286fSJohannes Berg if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { 1257bf8b286fSJohannes Berg /* 1258bf8b286fSJohannes Berg * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART 1259bf8b286fSJohannes Berg * so later code will - from now on - see that we're doing it. 1260bf8b286fSJohannes Berg */ 1261bf8b286fSJohannes Berg set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1262bf8b286fSJohannes Berg clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1263e705c121SKalle Valo /* Clean up some internal and mac80211 state on restart */ 1264e705c121SKalle Valo iwl_mvm_restart_cleanup(mvm); 1265a42b2af3SLuca Coelho } else { 1266a42b2af3SLuca Coelho /* Hold the reference to prevent runtime suspend while 1267a42b2af3SLuca Coelho * the start procedure runs. It's a bit confusing 1268a42b2af3SLuca Coelho * that the UCODE_DOWN reference is taken, but it just 1269a42b2af3SLuca Coelho * means "UCODE is not UP yet". ( TODO: rename this 1270a42b2af3SLuca Coelho * reference). 1271a42b2af3SLuca Coelho */ 1272a42b2af3SLuca Coelho iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); 1273a42b2af3SLuca Coelho } 1274e705c121SKalle Valo ret = iwl_mvm_up(mvm); 1275e705c121SKalle Valo 1276da2eb669SSara Sharon iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_POST_INIT); 1277da2eb669SSara Sharon 1278e705c121SKalle Valo if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1279e705c121SKalle Valo /* Something went wrong - we need to finish some cleanup 1280e705c121SKalle Valo * that normally iwl_mvm_mac_restart_complete() below 1281e705c121SKalle Valo * would do. 1282e705c121SKalle Valo */ 1283e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1284a75b9b33SLuca Coelho #ifdef CONFIG_PM 1285e705c121SKalle Valo iwl_mvm_d0i3_enable_tx(mvm, NULL); 1286a75b9b33SLuca Coelho #endif 1287e705c121SKalle Valo } 1288e705c121SKalle Valo 1289e705c121SKalle Valo return ret; 1290e705c121SKalle Valo } 1291e705c121SKalle Valo 1292e705c121SKalle Valo static int iwl_mvm_mac_start(struct ieee80211_hw *hw) 1293e705c121SKalle Valo { 1294e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1295e705c121SKalle Valo int ret; 1296e705c121SKalle Valo 1297e705c121SKalle Valo /* Some hw restart cleanups must not hold the mutex */ 1298e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1299e705c121SKalle Valo /* 1300e705c121SKalle Valo * Make sure we are out of d0i3. This is needed 1301e705c121SKalle Valo * to make sure the reference accounting is correct 1302e705c121SKalle Valo * (and there is no stale d0i3_exit_work). 1303e705c121SKalle Valo */ 1304e705c121SKalle Valo wait_event_timeout(mvm->d0i3_exit_waitq, 1305e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_IN_D0I3, 1306e705c121SKalle Valo &mvm->status), 1307e705c121SKalle Valo HZ); 1308e705c121SKalle Valo } 1309e705c121SKalle Valo 1310e705c121SKalle Valo mutex_lock(&mvm->mutex); 1311e705c121SKalle Valo ret = __iwl_mvm_mac_start(mvm); 1312e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1313e705c121SKalle Valo 1314e705c121SKalle Valo return ret; 1315e705c121SKalle Valo } 1316e705c121SKalle Valo 1317e705c121SKalle Valo static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 1318e705c121SKalle Valo { 1319e705c121SKalle Valo int ret; 1320e705c121SKalle Valo 1321e705c121SKalle Valo mutex_lock(&mvm->mutex); 1322e705c121SKalle Valo 1323e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1324a75b9b33SLuca Coelho #ifdef CONFIG_PM 1325e705c121SKalle Valo iwl_mvm_d0i3_enable_tx(mvm, NULL); 1326a75b9b33SLuca Coelho #endif 1327e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 1328e705c121SKalle Valo if (ret) 1329e705c121SKalle Valo IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", 1330e705c121SKalle Valo ret); 1331e705c121SKalle Valo 1332e705c121SKalle Valo /* allow transport/FW low power modes */ 1333e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN); 1334e705c121SKalle Valo 1335f130bb75SMordechay Goodstein iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY); 1336f130bb75SMordechay Goodstein 1337e705c121SKalle Valo /* 1338e705c121SKalle Valo * If we have TDLS peers, remove them. We don't know the last seqno/PN 1339e705c121SKalle Valo * of packets the FW sent out, so we must reconnect. 1340e705c121SKalle Valo */ 1341e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 1342e705c121SKalle Valo 1343e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1344e705c121SKalle Valo } 1345e705c121SKalle Valo 1346e705c121SKalle Valo static void iwl_mvm_resume_complete(struct iwl_mvm *mvm) 1347e705c121SKalle Valo { 1348b7282643SLuca Coelho if (iwl_mvm_is_d0i3_supported(mvm) && 1349b7282643SLuca Coelho iwl_mvm_enter_d0i3_on_suspend(mvm)) 1350b7282643SLuca Coelho WARN_ONCE(!wait_event_timeout(mvm->d0i3_exit_waitq, 1351e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_IN_D0I3, 1352e705c121SKalle Valo &mvm->status), 1353b7282643SLuca Coelho HZ), 1354b7282643SLuca Coelho "D0i3 exit on resume timed out\n"); 1355e705c121SKalle Valo } 1356e705c121SKalle Valo 1357e705c121SKalle Valo static void 1358e705c121SKalle Valo iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, 1359e705c121SKalle Valo enum ieee80211_reconfig_type reconfig_type) 1360e705c121SKalle Valo { 1361e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1362e705c121SKalle Valo 1363e705c121SKalle Valo switch (reconfig_type) { 1364e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_RESTART: 1365e705c121SKalle Valo iwl_mvm_restart_complete(mvm); 1366e705c121SKalle Valo break; 1367e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_SUSPEND: 1368e705c121SKalle Valo iwl_mvm_resume_complete(mvm); 1369e705c121SKalle Valo break; 1370e705c121SKalle Valo } 1371e705c121SKalle Valo } 1372e705c121SKalle Valo 1373e705c121SKalle Valo void __iwl_mvm_mac_stop(struct iwl_mvm *mvm) 1374e705c121SKalle Valo { 1375e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1376e705c121SKalle Valo 1377e705c121SKalle Valo /* firmware counters are obviously reset now, but we shouldn't 1378e705c121SKalle Valo * partially track so also clear the fw_reset_accu counters. 1379e705c121SKalle Valo */ 1380e705c121SKalle Valo memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); 1381e705c121SKalle Valo 1382e705c121SKalle Valo /* async_handlers_wk is now blocked */ 1383e705c121SKalle Valo 1384e705c121SKalle Valo /* 1385e705c121SKalle Valo * The work item could be running or queued if the 1386e705c121SKalle Valo * ROC time event stops just as we get here. 1387e705c121SKalle Valo */ 1388e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 1389e705c121SKalle Valo 1390fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1391e705c121SKalle Valo 1392e705c121SKalle Valo iwl_mvm_async_handlers_purge(mvm); 1393e705c121SKalle Valo /* async_handlers_list is empty and will stay empty: HW is stopped */ 1394e705c121SKalle Valo 1395e705c121SKalle Valo /* the fw is stopped, the aux sta is dead: clean up driver state */ 1396e705c121SKalle Valo iwl_mvm_del_aux_sta(mvm); 1397e705c121SKalle Valo 1398e705c121SKalle Valo /* 1399155f7e04SEmmanuel Grumbach * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the 1400155f7e04SEmmanuel Grumbach * hw (as restart_complete() won't be called in this case) and mac80211 1401155f7e04SEmmanuel Grumbach * won't execute the restart. 1402e705c121SKalle Valo * But make sure to cleanup interfaces that have gone down before/during 1403e705c121SKalle Valo * HW restart was requested. 1404e705c121SKalle Valo */ 1405155f7e04SEmmanuel Grumbach if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || 1406155f7e04SEmmanuel Grumbach test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1407155f7e04SEmmanuel Grumbach &mvm->status)) 1408e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, 1409e705c121SKalle Valo iwl_mvm_cleanup_iterator, mvm); 1410e705c121SKalle Valo 1411e705c121SKalle Valo /* We shouldn't have any UIDs still set. Loop over all the UIDs to 1412e705c121SKalle Valo * make sure there's nothing left there and warn if any is found. 1413e705c121SKalle Valo */ 1414e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1415e705c121SKalle Valo int i; 1416e705c121SKalle Valo 1417e705c121SKalle Valo for (i = 0; i < mvm->max_scans; i++) { 1418e705c121SKalle Valo if (WARN_ONCE(mvm->scan_uid_status[i], 1419e705c121SKalle Valo "UMAC scan UID %d status was not cleaned\n", 1420e705c121SKalle Valo i)) 1421e705c121SKalle Valo mvm->scan_uid_status[i] = 0; 1422e705c121SKalle Valo } 1423e705c121SKalle Valo } 1424e705c121SKalle Valo } 1425e705c121SKalle Valo 1426e705c121SKalle Valo static void iwl_mvm_mac_stop(struct ieee80211_hw *hw) 1427e705c121SKalle Valo { 1428e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1429e705c121SKalle Valo 1430e705c121SKalle Valo flush_work(&mvm->d0i3_exit_work); 1431e705c121SKalle Valo flush_work(&mvm->async_handlers_wk); 143224afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 1433771147b0SJohannes Berg 1434771147b0SJohannes Berg /* 1435771147b0SJohannes Berg * Lock and clear the firmware running bit here already, so that 1436771147b0SJohannes Berg * new commands coming in elsewhere, e.g. from debugfs, will not 1437771147b0SJohannes Berg * be able to proceed. This is important here because one of those 14387174beb6SJohannes Berg * debugfs files causes the firmware dump to be triggered, and if we 1439771147b0SJohannes Berg * don't stop debugfs accesses before canceling that it could be 1440771147b0SJohannes Berg * retriggered after we flush it but before we've cleared the bit. 1441771147b0SJohannes Berg */ 1442771147b0SJohannes Berg clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1443771147b0SJohannes Berg 14447174beb6SJohannes Berg iwl_fw_cancel_dump(&mvm->fwrt); 1445d3a108a4SAndrei Otcheretianski cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); 144669e04642SLuca Coelho cancel_delayed_work_sync(&mvm->scan_timeout_dwork); 14477174beb6SJohannes Berg iwl_fw_free_dump_desc(&mvm->fwrt); 1448e705c121SKalle Valo 1449e705c121SKalle Valo mutex_lock(&mvm->mutex); 1450e705c121SKalle Valo __iwl_mvm_mac_stop(mvm); 1451e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1452e705c121SKalle Valo 1453e705c121SKalle Valo /* 1454e705c121SKalle Valo * The worker might have been waiting for the mutex, let it run and 1455e705c121SKalle Valo * discover that its list is now empty. 1456e705c121SKalle Valo */ 1457e705c121SKalle Valo cancel_work_sync(&mvm->async_handlers_wk); 1458e705c121SKalle Valo } 1459e705c121SKalle Valo 1460e705c121SKalle Valo static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) 1461e705c121SKalle Valo { 1462e705c121SKalle Valo u16 i; 1463e705c121SKalle Valo 1464e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1465e705c121SKalle Valo 1466e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) 1467e705c121SKalle Valo if (!mvm->phy_ctxts[i].ref) 1468e705c121SKalle Valo return &mvm->phy_ctxts[i]; 1469e705c121SKalle Valo 1470e705c121SKalle Valo IWL_ERR(mvm, "No available PHY context\n"); 1471e705c121SKalle Valo return NULL; 1472e705c121SKalle Valo } 1473e705c121SKalle Valo 1474e705c121SKalle Valo static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1475e705c121SKalle Valo s16 tx_power) 1476e705c121SKalle Valo { 14770791c2fcSHaim Dreyfuss int len; 14780791c2fcSHaim Dreyfuss union { 14790791c2fcSHaim Dreyfuss struct iwl_dev_tx_power_cmd v5; 14800791c2fcSHaim Dreyfuss struct iwl_dev_tx_power_cmd_v4 v4; 14810791c2fcSHaim Dreyfuss } cmd = { 14820791c2fcSHaim Dreyfuss .v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), 14830791c2fcSHaim Dreyfuss .v5.v3.mac_context_id = 1484e705c121SKalle Valo cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), 14850791c2fcSHaim Dreyfuss .v5.v3.pwr_restriction = cpu_to_le16(8 * tx_power), 1486e705c121SKalle Valo }; 1487e705c121SKalle Valo 1488e705c121SKalle Valo if (tx_power == IWL_DEFAULT_MAX_TX_POWER) 14890791c2fcSHaim Dreyfuss cmd.v5.v3.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); 1490e705c121SKalle Valo 14910791c2fcSHaim Dreyfuss if (fw_has_api(&mvm->fw->ucode_capa, 14920791c2fcSHaim Dreyfuss IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 14930791c2fcSHaim Dreyfuss len = sizeof(cmd.v5); 14940791c2fcSHaim Dreyfuss else if (fw_has_capa(&mvm->fw->ucode_capa, 14950791c2fcSHaim Dreyfuss IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 14960791c2fcSHaim Dreyfuss len = sizeof(cmd.v4); 14970791c2fcSHaim Dreyfuss else 14980791c2fcSHaim Dreyfuss len = sizeof(cmd.v4.v3); 1499e705c121SKalle Valo 1500e705c121SKalle Valo return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); 1501e705c121SKalle Valo } 1502e705c121SKalle Valo 1503e705c121SKalle Valo static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 1504e705c121SKalle Valo struct ieee80211_vif *vif) 1505e705c121SKalle Valo { 1506e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1507e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1508e705c121SKalle Valo int ret; 1509e705c121SKalle Valo 1510e705c121SKalle Valo mvmvif->mvm = mvm; 151186e177d8SGregory Greenman RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL); 1512e705c121SKalle Valo 1513e705c121SKalle Valo /* 1514e705c121SKalle Valo * make sure D0i3 exit is completed, otherwise a target access 1515e705c121SKalle Valo * during tx queue configuration could be done when still in 1516e705c121SKalle Valo * D0i3 state. 1517e705c121SKalle Valo */ 1518e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF); 1519e705c121SKalle Valo if (ret) 1520e705c121SKalle Valo return ret; 1521e705c121SKalle Valo 1522e705c121SKalle Valo /* 1523e705c121SKalle Valo * Not much to do here. The stack will not allow interface 1524e705c121SKalle Valo * types or combinations that we didn't advertise, so we 1525e705c121SKalle Valo * don't really have to check the types. 1526e705c121SKalle Valo */ 1527e705c121SKalle Valo 1528e705c121SKalle Valo mutex_lock(&mvm->mutex); 1529e705c121SKalle Valo 1530e705c121SKalle Valo /* make sure that beacon statistics don't go backwards with FW reset */ 1531e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1532e705c121SKalle Valo mvmvif->beacon_stats.accu_num_beacons += 1533e705c121SKalle Valo mvmvif->beacon_stats.num_beacons; 1534e705c121SKalle Valo 1535e705c121SKalle Valo /* Allocate resources for the MAC context, and add it to the fw */ 1536e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_init(mvm, vif); 1537e705c121SKalle Valo if (ret) 1538e705c121SKalle Valo goto out_unlock; 1539e705c121SKalle Valo 1540698478c4SSara Sharon rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); 1541698478c4SSara Sharon 1542e705c121SKalle Valo /* Counting number of interfaces is needed for legacy PM */ 1543e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_P2P_DEVICE) 1544e705c121SKalle Valo mvm->vif_count++; 1545e705c121SKalle Valo 1546e705c121SKalle Valo /* 1547e705c121SKalle Valo * The AP binding flow can be done only after the beacon 1548e705c121SKalle Valo * template is configured (which happens only in the mac80211 1549e705c121SKalle Valo * start_ap() flow), and adding the broadcast station can happen 1550e705c121SKalle Valo * only after the binding. 1551e705c121SKalle Valo * In addition, since modifying the MAC before adding a bcast 1552e705c121SKalle Valo * station is not allowed by the FW, delay the adding of MAC context to 1553e705c121SKalle Valo * the point where we can also add the bcast station. 1554e705c121SKalle Valo * In short: there's not much we can do at this point, other than 1555e705c121SKalle Valo * allocating resources :) 1556e705c121SKalle Valo */ 1557e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1558e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 1559e705c121SKalle Valo ret = iwl_mvm_alloc_bcast_sta(mvm, vif); 1560e705c121SKalle Valo if (ret) { 1561e705c121SKalle Valo IWL_ERR(mvm, "Failed to allocate bcast sta\n"); 1562e705c121SKalle Valo goto out_release; 1563e705c121SKalle Valo } 1564e705c121SKalle Valo 156526d6c16bSSara Sharon /* 156626d6c16bSSara Sharon * Only queue for this station is the mcast queue, 156726d6c16bSSara Sharon * which shouldn't be in TFD mask anyway 156826d6c16bSSara Sharon */ 156926d6c16bSSara Sharon ret = iwl_mvm_allocate_int_sta(mvm, &mvmvif->mcast_sta, 1570ced19f26SSara Sharon 0, vif->type, 1571ced19f26SSara Sharon IWL_STA_MULTICAST); 157226d6c16bSSara Sharon if (ret) 157326d6c16bSSara Sharon goto out_release; 157426d6c16bSSara Sharon 1575e705c121SKalle Valo iwl_mvm_vif_dbgfs_register(mvm, vif); 1576e705c121SKalle Valo goto out_unlock; 1577e705c121SKalle Valo } 1578e705c121SKalle Valo 1579e705c121SKalle Valo mvmvif->features |= hw->netdev_features; 1580e705c121SKalle Valo 1581e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 1582e705c121SKalle Valo if (ret) 1583e705c121SKalle Valo goto out_release; 1584e705c121SKalle Valo 1585e705c121SKalle Valo ret = iwl_mvm_power_update_mac(mvm); 1586e705c121SKalle Valo if (ret) 1587e705c121SKalle Valo goto out_remove_mac; 1588e705c121SKalle Valo 1589e705c121SKalle Valo /* beacon filtering */ 1590e705c121SKalle Valo ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 1591e705c121SKalle Valo if (ret) 1592e705c121SKalle Valo goto out_remove_mac; 1593e705c121SKalle Valo 1594e705c121SKalle Valo if (!mvm->bf_allowed_vif && 1595e705c121SKalle Valo vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { 1596e705c121SKalle Valo mvm->bf_allowed_vif = mvmvif; 1597e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 1598e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI; 1599e705c121SKalle Valo } 1600e705c121SKalle Valo 1601e705c121SKalle Valo /* 1602e705c121SKalle Valo * P2P_DEVICE interface does not have a channel context assigned to it, 1603e705c121SKalle Valo * so a dedicated PHY context is allocated to it and the corresponding 1604e705c121SKalle Valo * MAC context is bound to it at this stage. 1605e705c121SKalle Valo */ 1606e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1607e705c121SKalle Valo 1608e705c121SKalle Valo mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 1609e705c121SKalle Valo if (!mvmvif->phy_ctxt) { 1610e705c121SKalle Valo ret = -ENOSPC; 1611e705c121SKalle Valo goto out_free_bf; 1612e705c121SKalle Valo } 1613e705c121SKalle Valo 1614e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 1615e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 1616e705c121SKalle Valo if (ret) 1617e705c121SKalle Valo goto out_unref_phy; 1618e705c121SKalle Valo 1619d197358bSLuca Coelho ret = iwl_mvm_add_p2p_bcast_sta(mvm, vif); 1620e705c121SKalle Valo if (ret) 1621e705c121SKalle Valo goto out_unbind; 1622e705c121SKalle Valo 1623e705c121SKalle Valo /* Save a pointer to p2p device vif, so it can later be used to 1624e705c121SKalle Valo * update the p2p device MAC when a GO is started/stopped */ 1625e705c121SKalle Valo mvm->p2p_device_vif = vif; 1626e705c121SKalle Valo } 1627e705c121SKalle Valo 1628b0ffe455SJohannes Berg iwl_mvm_tcm_add_vif(mvm, vif); 1629b0ffe455SJohannes Berg 1630baf41bc3SShaul Triebitz if (vif->type == NL80211_IFTYPE_MONITOR) 1631baf41bc3SShaul Triebitz mvm->monitor_on = true; 1632baf41bc3SShaul Triebitz 1633e705c121SKalle Valo iwl_mvm_vif_dbgfs_register(mvm, vif); 1634e705c121SKalle Valo goto out_unlock; 1635e705c121SKalle Valo 1636e705c121SKalle Valo out_unbind: 1637e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1638e705c121SKalle Valo out_unref_phy: 1639e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 1640e705c121SKalle Valo out_free_bf: 1641e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1642e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1643e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1644e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1645e705c121SKalle Valo } 1646e705c121SKalle Valo out_remove_mac: 1647e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1648e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1649e705c121SKalle Valo out_release: 1650e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_P2P_DEVICE) 1651e705c121SKalle Valo mvm->vif_count--; 1652e705c121SKalle Valo out_unlock: 1653e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1654e705c121SKalle Valo 1655e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF); 1656e705c121SKalle Valo 1657e705c121SKalle Valo return ret; 1658e705c121SKalle Valo } 1659e705c121SKalle Valo 1660e705c121SKalle Valo static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1661e705c121SKalle Valo struct ieee80211_vif *vif) 1662e705c121SKalle Valo { 1663e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1664e705c121SKalle Valo /* 1665e705c121SKalle Valo * Flush the ROC worker which will flush the OFFCHANNEL queue. 1666e705c121SKalle Valo * We assume here that all the packets sent to the OFFCHANNEL 1667e705c121SKalle Valo * queue are sent in ROC session. 1668e705c121SKalle Valo */ 1669e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 1670e705c121SKalle Valo } 1671e705c121SKalle Valo } 1672e705c121SKalle Valo 1673e705c121SKalle Valo static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 1674e705c121SKalle Valo struct ieee80211_vif *vif) 1675e705c121SKalle Valo { 1676e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1677e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 167886e177d8SGregory Greenman struct iwl_probe_resp_data *probe_data; 1679e705c121SKalle Valo 1680e705c121SKalle Valo iwl_mvm_prepare_mac_removal(mvm, vif); 1681e705c121SKalle Valo 1682b0ffe455SJohannes Berg if (!(vif->type == NL80211_IFTYPE_AP || 1683b0ffe455SJohannes Berg vif->type == NL80211_IFTYPE_ADHOC)) 1684b0ffe455SJohannes Berg iwl_mvm_tcm_rm_vif(mvm, vif); 1685b0ffe455SJohannes Berg 1686e705c121SKalle Valo mutex_lock(&mvm->mutex); 1687e705c121SKalle Valo 168886e177d8SGregory Greenman probe_data = rcu_dereference_protected(mvmvif->probe_resp_data, 168986e177d8SGregory Greenman lockdep_is_held(&mvm->mutex)); 169086e177d8SGregory Greenman RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL); 169186e177d8SGregory Greenman if (probe_data) 169286e177d8SGregory Greenman kfree_rcu(probe_data, rcu_head); 169386e177d8SGregory Greenman 1694e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1695e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1696e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1697e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1698e705c121SKalle Valo } 1699e705c121SKalle Valo 1700b73f9a4aSJohannes Berg if (vif->bss_conf.ftm_responder) 1701b73f9a4aSJohannes Berg memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats)); 1702b73f9a4aSJohannes Berg 1703e705c121SKalle Valo iwl_mvm_vif_dbgfs_clean(mvm, vif); 1704e705c121SKalle Valo 1705e705c121SKalle Valo /* 1706e705c121SKalle Valo * For AP/GO interface, the tear down of the resources allocated to the 1707e705c121SKalle Valo * interface is be handled as part of the stop_ap flow. 1708e705c121SKalle Valo */ 1709e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1710e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 1711e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 1712e705c121SKalle Valo if (vif == mvm->noa_vif) { 1713e705c121SKalle Valo mvm->noa_vif = NULL; 1714e705c121SKalle Valo mvm->noa_duration = 0; 1715e705c121SKalle Valo } 1716e705c121SKalle Valo #endif 171726d6c16bSSara Sharon iwl_mvm_dealloc_int_sta(mvm, &mvmvif->mcast_sta); 1718e705c121SKalle Valo iwl_mvm_dealloc_bcast_sta(mvm, vif); 1719e705c121SKalle Valo goto out_release; 1720e705c121SKalle Valo } 1721e705c121SKalle Valo 1722e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1723e705c121SKalle Valo mvm->p2p_device_vif = NULL; 1724d197358bSLuca Coelho iwl_mvm_rm_p2p_bcast_sta(mvm, vif); 1725e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1726e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 1727e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1728e705c121SKalle Valo } 1729e705c121SKalle Valo 1730e705c121SKalle Valo if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE) 1731e705c121SKalle Valo mvm->vif_count--; 1732e705c121SKalle Valo 1733e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 1734e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1735e705c121SKalle Valo 1736698478c4SSara Sharon RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); 1737698478c4SSara Sharon 1738baf41bc3SShaul Triebitz if (vif->type == NL80211_IFTYPE_MONITOR) 1739baf41bc3SShaul Triebitz mvm->monitor_on = false; 1740baf41bc3SShaul Triebitz 1741e705c121SKalle Valo out_release: 1742e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1743e705c121SKalle Valo } 1744e705c121SKalle Valo 1745e705c121SKalle Valo static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed) 1746e705c121SKalle Valo { 1747e705c121SKalle Valo return 0; 1748e705c121SKalle Valo } 1749e705c121SKalle Valo 1750e705c121SKalle Valo struct iwl_mvm_mc_iter_data { 1751e705c121SKalle Valo struct iwl_mvm *mvm; 1752e705c121SKalle Valo int port_id; 1753e705c121SKalle Valo }; 1754e705c121SKalle Valo 1755e705c121SKalle Valo static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 1756e705c121SKalle Valo struct ieee80211_vif *vif) 1757e705c121SKalle Valo { 1758e705c121SKalle Valo struct iwl_mvm_mc_iter_data *data = _data; 1759e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1760e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 176197bce57bSLuca Coelho struct iwl_host_cmd hcmd = { 176297bce57bSLuca Coelho .id = MCAST_FILTER_CMD, 176397bce57bSLuca Coelho .flags = CMD_ASYNC, 176497bce57bSLuca Coelho .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 176597bce57bSLuca Coelho }; 1766e705c121SKalle Valo int ret, len; 1767e705c121SKalle Valo 1768e705c121SKalle Valo /* if we don't have free ports, mcast frames will be dropped */ 1769e705c121SKalle Valo if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 1770e705c121SKalle Valo return; 1771e705c121SKalle Valo 1772e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || 1773e705c121SKalle Valo !vif->bss_conf.assoc) 1774e705c121SKalle Valo return; 1775e705c121SKalle Valo 1776e705c121SKalle Valo cmd->port_id = data->port_id++; 1777e705c121SKalle Valo memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 1778e705c121SKalle Valo len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 1779e705c121SKalle Valo 178097bce57bSLuca Coelho hcmd.len[0] = len; 178197bce57bSLuca Coelho hcmd.data[0] = cmd; 178297bce57bSLuca Coelho 178397bce57bSLuca Coelho ret = iwl_mvm_send_cmd(mvm, &hcmd); 1784e705c121SKalle Valo if (ret) 1785e705c121SKalle Valo IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 1786e705c121SKalle Valo } 1787e705c121SKalle Valo 1788e705c121SKalle Valo static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 1789e705c121SKalle Valo { 1790e705c121SKalle Valo struct iwl_mvm_mc_iter_data iter_data = { 1791e705c121SKalle Valo .mvm = mvm, 1792e705c121SKalle Valo }; 1793e705c121SKalle Valo 1794e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1795e705c121SKalle Valo 1796e705c121SKalle Valo if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 1797e705c121SKalle Valo return; 1798e705c121SKalle Valo 1799e705c121SKalle Valo ieee80211_iterate_active_interfaces_atomic( 1800e705c121SKalle Valo mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1801e705c121SKalle Valo iwl_mvm_mc_iface_iterator, &iter_data); 1802e705c121SKalle Valo } 1803e705c121SKalle Valo 1804e705c121SKalle Valo static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 1805e705c121SKalle Valo struct netdev_hw_addr_list *mc_list) 1806e705c121SKalle Valo { 1807e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1808e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd; 1809e705c121SKalle Valo struct netdev_hw_addr *addr; 1810e705c121SKalle Valo int addr_count; 1811e705c121SKalle Valo bool pass_all; 1812e705c121SKalle Valo int len; 1813e705c121SKalle Valo 1814e705c121SKalle Valo addr_count = netdev_hw_addr_list_count(mc_list); 1815e705c121SKalle Valo pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 1816e705c121SKalle Valo IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 1817e705c121SKalle Valo if (pass_all) 1818e705c121SKalle Valo addr_count = 0; 1819e705c121SKalle Valo 1820e705c121SKalle Valo len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 1821e705c121SKalle Valo cmd = kzalloc(len, GFP_ATOMIC); 1822e705c121SKalle Valo if (!cmd) 1823e705c121SKalle Valo return 0; 1824e705c121SKalle Valo 1825e705c121SKalle Valo if (pass_all) { 1826e705c121SKalle Valo cmd->pass_all = 1; 1827e705c121SKalle Valo return (u64)(unsigned long)cmd; 1828e705c121SKalle Valo } 1829e705c121SKalle Valo 1830e705c121SKalle Valo netdev_hw_addr_list_for_each(addr, mc_list) { 1831e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 1832e705c121SKalle Valo cmd->count, addr->addr); 1833e705c121SKalle Valo memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 1834e705c121SKalle Valo addr->addr, ETH_ALEN); 1835e705c121SKalle Valo cmd->count++; 1836e705c121SKalle Valo } 1837e705c121SKalle Valo 1838e705c121SKalle Valo return (u64)(unsigned long)cmd; 1839e705c121SKalle Valo } 1840e705c121SKalle Valo 1841e705c121SKalle Valo static void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 1842e705c121SKalle Valo unsigned int changed_flags, 1843e705c121SKalle Valo unsigned int *total_flags, 1844e705c121SKalle Valo u64 multicast) 1845e705c121SKalle Valo { 1846e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1847e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; 1848e705c121SKalle Valo 1849e705c121SKalle Valo mutex_lock(&mvm->mutex); 1850e705c121SKalle Valo 1851e705c121SKalle Valo /* replace previous configuration */ 1852e705c121SKalle Valo kfree(mvm->mcast_filter_cmd); 1853e705c121SKalle Valo mvm->mcast_filter_cmd = cmd; 1854e705c121SKalle Valo 1855e705c121SKalle Valo if (!cmd) 1856e705c121SKalle Valo goto out; 1857e705c121SKalle Valo 185861e7d91bSLuca Coelho if (changed_flags & FIF_ALLMULTI) 185961e7d91bSLuca Coelho cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); 186061e7d91bSLuca Coelho 186161e7d91bSLuca Coelho if (cmd->pass_all) 186261e7d91bSLuca Coelho cmd->count = 0; 186361e7d91bSLuca Coelho 1864e705c121SKalle Valo iwl_mvm_recalc_multicast(mvm); 1865e705c121SKalle Valo out: 1866e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1867e705c121SKalle Valo *total_flags = 0; 1868e705c121SKalle Valo } 1869e705c121SKalle Valo 1870e705c121SKalle Valo static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 1871e705c121SKalle Valo struct ieee80211_vif *vif, 1872e705c121SKalle Valo unsigned int filter_flags, 1873e705c121SKalle Valo unsigned int changed_flags) 1874e705c121SKalle Valo { 1875e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1876e705c121SKalle Valo 1877e705c121SKalle Valo /* We support only filter for probe requests */ 1878e705c121SKalle Valo if (!(changed_flags & FIF_PROBE_REQ)) 1879e705c121SKalle Valo return; 1880e705c121SKalle Valo 1881e705c121SKalle Valo /* Supported only for p2p client interfaces */ 1882e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc || 1883e705c121SKalle Valo !vif->p2p) 1884e705c121SKalle Valo return; 1885e705c121SKalle Valo 1886e705c121SKalle Valo mutex_lock(&mvm->mutex); 1887e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1888e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1889e705c121SKalle Valo } 1890e705c121SKalle Valo 1891e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 1892e705c121SKalle Valo struct iwl_bcast_iter_data { 1893e705c121SKalle Valo struct iwl_mvm *mvm; 1894e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd; 1895e705c121SKalle Valo u8 current_filter; 1896e705c121SKalle Valo }; 1897e705c121SKalle Valo 1898e705c121SKalle Valo static void 1899e705c121SKalle Valo iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif, 1900e705c121SKalle Valo const struct iwl_fw_bcast_filter *in_filter, 1901e705c121SKalle Valo struct iwl_fw_bcast_filter *out_filter) 1902e705c121SKalle Valo { 1903e705c121SKalle Valo struct iwl_fw_bcast_filter_attr *attr; 1904e705c121SKalle Valo int i; 1905e705c121SKalle Valo 1906e705c121SKalle Valo memcpy(out_filter, in_filter, sizeof(*out_filter)); 1907e705c121SKalle Valo 1908e705c121SKalle Valo for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) { 1909e705c121SKalle Valo attr = &out_filter->attrs[i]; 1910e705c121SKalle Valo 1911e705c121SKalle Valo if (!attr->mask) 1912e705c121SKalle Valo break; 1913e705c121SKalle Valo 1914e705c121SKalle Valo switch (attr->reserved1) { 1915e705c121SKalle Valo case cpu_to_le16(BC_FILTER_MAGIC_IP): 1916e705c121SKalle Valo if (vif->bss_conf.arp_addr_cnt != 1) { 1917e705c121SKalle Valo attr->mask = 0; 1918e705c121SKalle Valo continue; 1919e705c121SKalle Valo } 1920e705c121SKalle Valo 1921e705c121SKalle Valo attr->val = vif->bss_conf.arp_addr_list[0]; 1922e705c121SKalle Valo break; 1923e705c121SKalle Valo case cpu_to_le16(BC_FILTER_MAGIC_MAC): 1924e705c121SKalle Valo attr->val = *(__be32 *)&vif->addr[2]; 1925e705c121SKalle Valo break; 1926e705c121SKalle Valo default: 1927e705c121SKalle Valo break; 1928e705c121SKalle Valo } 1929e705c121SKalle Valo attr->reserved1 = 0; 1930e705c121SKalle Valo out_filter->num_attrs++; 1931e705c121SKalle Valo } 1932e705c121SKalle Valo } 1933e705c121SKalle Valo 1934e705c121SKalle Valo static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac, 1935e705c121SKalle Valo struct ieee80211_vif *vif) 1936e705c121SKalle Valo { 1937e705c121SKalle Valo struct iwl_bcast_iter_data *data = _data; 1938e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1939e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd = data->cmd; 1940e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1941e705c121SKalle Valo struct iwl_fw_bcast_mac *bcast_mac; 1942e705c121SKalle Valo int i; 1943e705c121SKalle Valo 1944e705c121SKalle Valo if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs))) 1945e705c121SKalle Valo return; 1946e705c121SKalle Valo 1947e705c121SKalle Valo bcast_mac = &cmd->macs[mvmvif->id]; 1948e705c121SKalle Valo 1949e705c121SKalle Valo /* 1950e705c121SKalle Valo * enable filtering only for associated stations, but not for P2P 1951e705c121SKalle Valo * Clients 1952e705c121SKalle Valo */ 1953e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || vif->p2p || 1954e705c121SKalle Valo !vif->bss_conf.assoc) 1955e705c121SKalle Valo return; 1956e705c121SKalle Valo 1957e705c121SKalle Valo bcast_mac->default_discard = 1; 1958e705c121SKalle Valo 1959e705c121SKalle Valo /* copy all configured filters */ 1960e705c121SKalle Valo for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) { 1961e705c121SKalle Valo /* 1962e705c121SKalle Valo * Make sure we don't exceed our filters limit. 1963e705c121SKalle Valo * if there is still a valid filter to be configured, 1964e705c121SKalle Valo * be on the safe side and just allow bcast for this mac. 1965e705c121SKalle Valo */ 1966e705c121SKalle Valo if (WARN_ON_ONCE(data->current_filter >= 1967e705c121SKalle Valo ARRAY_SIZE(cmd->filters))) { 1968e705c121SKalle Valo bcast_mac->default_discard = 0; 1969e705c121SKalle Valo bcast_mac->attached_filters = 0; 1970e705c121SKalle Valo break; 1971e705c121SKalle Valo } 1972e705c121SKalle Valo 1973e705c121SKalle Valo iwl_mvm_set_bcast_filter(vif, 1974e705c121SKalle Valo &mvm->bcast_filters[i], 1975e705c121SKalle Valo &cmd->filters[data->current_filter]); 1976e705c121SKalle Valo 1977e705c121SKalle Valo /* skip current filter if it contains no attributes */ 1978e705c121SKalle Valo if (!cmd->filters[data->current_filter].num_attrs) 1979e705c121SKalle Valo continue; 1980e705c121SKalle Valo 1981e705c121SKalle Valo /* attach the filter to current mac */ 1982e705c121SKalle Valo bcast_mac->attached_filters |= 1983e705c121SKalle Valo cpu_to_le16(BIT(data->current_filter)); 1984e705c121SKalle Valo 1985e705c121SKalle Valo data->current_filter++; 1986e705c121SKalle Valo } 1987e705c121SKalle Valo } 1988e705c121SKalle Valo 1989e705c121SKalle Valo bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm, 1990e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd) 1991e705c121SKalle Valo { 1992e705c121SKalle Valo struct iwl_bcast_iter_data iter_data = { 1993e705c121SKalle Valo .mvm = mvm, 1994e705c121SKalle Valo .cmd = cmd, 1995e705c121SKalle Valo }; 1996e705c121SKalle Valo 1997e705c121SKalle Valo if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL) 1998e705c121SKalle Valo return false; 1999e705c121SKalle Valo 2000e705c121SKalle Valo memset(cmd, 0, sizeof(*cmd)); 2001e705c121SKalle Valo cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters); 2002e705c121SKalle Valo cmd->max_macs = ARRAY_SIZE(cmd->macs); 2003e705c121SKalle Valo 2004e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_DEBUGFS 2005e705c121SKalle Valo /* use debugfs filters/macs if override is configured */ 2006e705c121SKalle Valo if (mvm->dbgfs_bcast_filtering.override) { 2007e705c121SKalle Valo memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters, 2008e705c121SKalle Valo sizeof(cmd->filters)); 2009e705c121SKalle Valo memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs, 2010e705c121SKalle Valo sizeof(cmd->macs)); 2011e705c121SKalle Valo return true; 2012e705c121SKalle Valo } 2013e705c121SKalle Valo #endif 2014e705c121SKalle Valo 2015e705c121SKalle Valo /* if no filters are configured, do nothing */ 2016e705c121SKalle Valo if (!mvm->bcast_filters) 2017e705c121SKalle Valo return false; 2018e705c121SKalle Valo 2019e705c121SKalle Valo /* configure and attach these filters for each associated sta vif */ 2020e705c121SKalle Valo ieee80211_iterate_active_interfaces( 2021e705c121SKalle Valo mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2022e705c121SKalle Valo iwl_mvm_bcast_filter_iterator, &iter_data); 2023e705c121SKalle Valo 2024e705c121SKalle Valo return true; 2025e705c121SKalle Valo } 202634672bb3SEliad Peller 202734672bb3SEliad Peller static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm) 2028e705c121SKalle Valo { 2029e705c121SKalle Valo struct iwl_bcast_filter_cmd cmd; 2030e705c121SKalle Valo 2031e705c121SKalle Valo if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING)) 2032e705c121SKalle Valo return 0; 2033e705c121SKalle Valo 2034e705c121SKalle Valo if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) 2035e705c121SKalle Valo return 0; 2036e705c121SKalle Valo 2037e705c121SKalle Valo return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, 2038e705c121SKalle Valo sizeof(cmd), &cmd); 2039e705c121SKalle Valo } 2040e705c121SKalle Valo #else 204134672bb3SEliad Peller static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm) 2042e705c121SKalle Valo { 2043e705c121SKalle Valo return 0; 2044e705c121SKalle Valo } 2045e705c121SKalle Valo #endif 2046e705c121SKalle Valo 2047a07a8f37SSara Sharon static int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, 2048a07a8f37SSara Sharon struct ieee80211_vif *vif) 2049a07a8f37SSara Sharon { 2050a07a8f37SSara Sharon struct iwl_mu_group_mgmt_cmd cmd = {}; 2051a07a8f37SSara Sharon 2052a07a8f37SSara Sharon memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 2053a07a8f37SSara Sharon WLAN_MEMBERSHIP_LEN); 2054a07a8f37SSara Sharon memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 2055a07a8f37SSara Sharon WLAN_USER_POSITION_LEN); 2056a07a8f37SSara Sharon 2057a07a8f37SSara Sharon return iwl_mvm_send_cmd_pdu(mvm, 2058a07a8f37SSara Sharon WIDE_ID(DATA_PATH_GROUP, 2059a07a8f37SSara Sharon UPDATE_MU_GROUPS_CMD), 2060a07a8f37SSara Sharon 0, sizeof(cmd), &cmd); 2061a07a8f37SSara Sharon } 2062a07a8f37SSara Sharon 2063f92659a1SSara Sharon static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 2064f92659a1SSara Sharon struct ieee80211_vif *vif) 2065f92659a1SSara Sharon { 2066f92659a1SSara Sharon if (vif->mu_mimo_owner) { 2067f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = _data; 2068f92659a1SSara Sharon 2069f92659a1SSara Sharon /* 2070f92659a1SSara Sharon * MU-MIMO Group Id action frame is little endian. We treat 2071f92659a1SSara Sharon * the data received from firmware as if it came from the 2072f92659a1SSara Sharon * action frame, so no conversion is needed. 2073f92659a1SSara Sharon */ 2074f92659a1SSara Sharon ieee80211_update_mu_groups(vif, 2075f92659a1SSara Sharon (u8 *)¬if->membership_status, 2076f92659a1SSara Sharon (u8 *)¬if->user_position); 2077f92659a1SSara Sharon } 2078f92659a1SSara Sharon } 2079f92659a1SSara Sharon 2080f92659a1SSara Sharon void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 2081f92659a1SSara Sharon struct iwl_rx_cmd_buffer *rxb) 2082f92659a1SSara Sharon { 2083f92659a1SSara Sharon struct iwl_rx_packet *pkt = rxb_addr(rxb); 2084f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 2085f92659a1SSara Sharon 2086f92659a1SSara Sharon ieee80211_iterate_active_interfaces_atomic( 2087f92659a1SSara Sharon mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2088f92659a1SSara Sharon iwl_mvm_mu_mimo_iface_iterator, notif); 2089f92659a1SSara Sharon } 2090f92659a1SSara Sharon 2091514c3069SLuca Coelho static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) 2092514c3069SLuca Coelho { 2093514c3069SLuca Coelho u8 byte_num = ppe_pos_bit / 8; 2094514c3069SLuca Coelho u8 bit_num = ppe_pos_bit % 8; 2095514c3069SLuca Coelho u8 residue_bits; 2096514c3069SLuca Coelho u8 res; 2097514c3069SLuca Coelho 2098514c3069SLuca Coelho if (bit_num <= 5) 2099514c3069SLuca Coelho return (ppe[byte_num] >> bit_num) & 2100514c3069SLuca Coelho (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); 2101514c3069SLuca Coelho 2102514c3069SLuca Coelho /* 2103514c3069SLuca Coelho * If bit_num > 5, we have to combine bits with next byte. 2104514c3069SLuca Coelho * Calculate how many bits we need to take from current byte (called 2105514c3069SLuca Coelho * here "residue_bits"), and add them to bits from next byte. 2106514c3069SLuca Coelho */ 2107514c3069SLuca Coelho 2108514c3069SLuca Coelho residue_bits = 8 - bit_num; 2109514c3069SLuca Coelho 2110514c3069SLuca Coelho res = (ppe[byte_num + 1] & 2111514c3069SLuca Coelho (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << 2112514c3069SLuca Coelho residue_bits; 2113514c3069SLuca Coelho res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); 2114514c3069SLuca Coelho 2115514c3069SLuca Coelho return res; 2116514c3069SLuca Coelho } 2117514c3069SLuca Coelho 2118514c3069SLuca Coelho static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, 2119514c3069SLuca Coelho struct ieee80211_vif *vif, u8 sta_id) 2120514c3069SLuca Coelho { 2121514c3069SLuca Coelho struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2122514c3069SLuca Coelho struct iwl_he_sta_context_cmd sta_ctxt_cmd = { 2123514c3069SLuca Coelho .sta_id = sta_id, 2124514c3069SLuca Coelho .tid_limit = IWL_MAX_TID_COUNT, 2125514c3069SLuca Coelho .bss_color = vif->bss_conf.bss_color, 2126514c3069SLuca Coelho .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, 2127514c3069SLuca Coelho .frame_time_rts_th = 2128514c3069SLuca Coelho cpu_to_le16(vif->bss_conf.frame_time_rts_th), 2129514c3069SLuca Coelho }; 2130514c3069SLuca Coelho struct ieee80211_sta *sta; 2131514c3069SLuca Coelho u32 flags; 2132514c3069SLuca Coelho int i; 2133514c3069SLuca Coelho 2134514c3069SLuca Coelho rcu_read_lock(); 2135514c3069SLuca Coelho 2136514c3069SLuca Coelho sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); 2137514c3069SLuca Coelho if (IS_ERR(sta)) { 2138514c3069SLuca Coelho rcu_read_unlock(); 2139514c3069SLuca Coelho WARN(1, "Can't find STA to configure HE\n"); 2140514c3069SLuca Coelho return; 2141514c3069SLuca Coelho } 2142514c3069SLuca Coelho 2143514c3069SLuca Coelho if (!sta->he_cap.has_he) { 2144514c3069SLuca Coelho rcu_read_unlock(); 2145514c3069SLuca Coelho return; 2146514c3069SLuca Coelho } 2147514c3069SLuca Coelho 2148514c3069SLuca Coelho flags = 0; 2149514c3069SLuca Coelho 2150514c3069SLuca Coelho /* HTC flags */ 2151514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[0] & 2152514c3069SLuca Coelho IEEE80211_HE_MAC_CAP0_HTC_HE) 2153514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); 2154514c3069SLuca Coelho if ((sta->he_cap.he_cap_elem.mac_cap_info[1] & 2155514c3069SLuca Coelho IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || 2156514c3069SLuca Coelho (sta->he_cap.he_cap_elem.mac_cap_info[2] & 2157514c3069SLuca Coelho IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { 2158514c3069SLuca Coelho u8 link_adap = 2159514c3069SLuca Coelho ((sta->he_cap.he_cap_elem.mac_cap_info[2] & 2160514c3069SLuca Coelho IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + 2161514c3069SLuca Coelho (sta->he_cap.he_cap_elem.mac_cap_info[1] & 2162514c3069SLuca Coelho IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); 2163514c3069SLuca Coelho 2164514c3069SLuca Coelho if (link_adap == 2) 2165514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= 2166514c3069SLuca Coelho cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); 2167514c3069SLuca Coelho else if (link_adap == 3) 2168514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= 2169514c3069SLuca Coelho cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); 2170514c3069SLuca Coelho } 2171514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) 2172514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); 2173514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[3] & 2174514c3069SLuca Coelho IEEE80211_HE_MAC_CAP3_OMI_CONTROL) 2175514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); 2176514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) 2177514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); 2178514c3069SLuca Coelho 2179189b8d44SNaftali Goldstein /* 2180189b8d44SNaftali Goldstein * Initialize the PPE thresholds to "None" (7), as described in Table 2181189b8d44SNaftali Goldstein * 9-262ac of 80211.ax/D3.0. 2182189b8d44SNaftali Goldstein */ 2183189b8d44SNaftali Goldstein memset(&sta_ctxt_cmd.pkt_ext, 7, sizeof(sta_ctxt_cmd.pkt_ext)); 2184189b8d44SNaftali Goldstein 2185189b8d44SNaftali Goldstein /* If PPE Thresholds exist, parse them into a FW-familiar format. */ 2186514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.phy_cap_info[6] & 2187514c3069SLuca Coelho IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2188514c3069SLuca Coelho u8 nss = (sta->he_cap.ppe_thres[0] & 2189514c3069SLuca Coelho IEEE80211_PPE_THRES_NSS_MASK) + 1; 2190514c3069SLuca Coelho u8 ru_index_bitmap = 2191514c3069SLuca Coelho (sta->he_cap.ppe_thres[0] & 2192514c3069SLuca Coelho IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK) >> 2193514c3069SLuca Coelho IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS; 2194514c3069SLuca Coelho u8 *ppe = &sta->he_cap.ppe_thres[0]; 2195514c3069SLuca Coelho u8 ppe_pos_bit = 7; /* Starting after PPE header */ 2196514c3069SLuca Coelho 2197514c3069SLuca Coelho /* 2198514c3069SLuca Coelho * FW currently supports only nss == MAX_HE_SUPP_NSS 2199514c3069SLuca Coelho * 2200514c3069SLuca Coelho * If nss > MAX: we can ignore values we don't support 2201514c3069SLuca Coelho * If nss < MAX: we can set zeros in other streams 2202514c3069SLuca Coelho */ 2203514c3069SLuca Coelho if (nss > MAX_HE_SUPP_NSS) { 2204514c3069SLuca Coelho IWL_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, 2205514c3069SLuca Coelho MAX_HE_SUPP_NSS); 2206514c3069SLuca Coelho nss = MAX_HE_SUPP_NSS; 2207514c3069SLuca Coelho } 2208514c3069SLuca Coelho 2209514c3069SLuca Coelho for (i = 0; i < nss; i++) { 2210514c3069SLuca Coelho u8 ru_index_tmp = ru_index_bitmap << 1; 2211514c3069SLuca Coelho u8 bw; 2212514c3069SLuca Coelho 2213514c3069SLuca Coelho for (bw = 0; bw < MAX_HE_CHANNEL_BW_INDX; bw++) { 2214514c3069SLuca Coelho ru_index_tmp >>= 1; 2215514c3069SLuca Coelho if (!(ru_index_tmp & 1)) 2216514c3069SLuca Coelho continue; 2217514c3069SLuca Coelho 2218514c3069SLuca Coelho sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][1] = 2219514c3069SLuca Coelho iwl_mvm_he_get_ppe_val(ppe, 2220514c3069SLuca Coelho ppe_pos_bit); 2221514c3069SLuca Coelho ppe_pos_bit += 2222514c3069SLuca Coelho IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2223514c3069SLuca Coelho sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][0] = 2224514c3069SLuca Coelho iwl_mvm_he_get_ppe_val(ppe, 2225514c3069SLuca Coelho ppe_pos_bit); 2226514c3069SLuca Coelho ppe_pos_bit += 2227514c3069SLuca Coelho IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2228514c3069SLuca Coelho } 2229514c3069SLuca Coelho } 2230514c3069SLuca Coelho 2231514c3069SLuca Coelho flags |= STA_CTXT_HE_PACKET_EXT; 223277ff2c6bSLiad Kaufman } else if ((sta->he_cap.he_cap_elem.phy_cap_info[9] & 223377ff2c6bSLiad Kaufman IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK) != 223477ff2c6bSLiad Kaufman IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED) { 223577ff2c6bSLiad Kaufman int low_th = -1; 223677ff2c6bSLiad Kaufman int high_th = -1; 223777ff2c6bSLiad Kaufman 223877ff2c6bSLiad Kaufman /* Take the PPE thresholds from the nominal padding info */ 223977ff2c6bSLiad Kaufman switch (sta->he_cap.he_cap_elem.phy_cap_info[9] & 224077ff2c6bSLiad Kaufman IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK) { 224177ff2c6bSLiad Kaufman case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US: 224277ff2c6bSLiad Kaufman low_th = IWL_HE_PKT_EXT_NONE; 224377ff2c6bSLiad Kaufman high_th = IWL_HE_PKT_EXT_NONE; 224477ff2c6bSLiad Kaufman break; 224577ff2c6bSLiad Kaufman case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US: 224677ff2c6bSLiad Kaufman low_th = IWL_HE_PKT_EXT_BPSK; 224777ff2c6bSLiad Kaufman high_th = IWL_HE_PKT_EXT_NONE; 224877ff2c6bSLiad Kaufman break; 224977ff2c6bSLiad Kaufman case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US: 225077ff2c6bSLiad Kaufman low_th = IWL_HE_PKT_EXT_NONE; 225177ff2c6bSLiad Kaufman high_th = IWL_HE_PKT_EXT_BPSK; 225277ff2c6bSLiad Kaufman break; 225377ff2c6bSLiad Kaufman } 225477ff2c6bSLiad Kaufman 225577ff2c6bSLiad Kaufman /* Set the PPE thresholds accordingly */ 225677ff2c6bSLiad Kaufman if (low_th >= 0 && high_th >= 0) { 225777ff2c6bSLiad Kaufman u8 ***pkt_ext_qam = 225877ff2c6bSLiad Kaufman (void *)sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th; 225977ff2c6bSLiad Kaufman 226077ff2c6bSLiad Kaufman for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 226177ff2c6bSLiad Kaufman u8 bw; 226277ff2c6bSLiad Kaufman 226377ff2c6bSLiad Kaufman for (bw = 0; bw < MAX_HE_CHANNEL_BW_INDX; 226477ff2c6bSLiad Kaufman bw++) { 226577ff2c6bSLiad Kaufman pkt_ext_qam[i][bw][0] = low_th; 226677ff2c6bSLiad Kaufman pkt_ext_qam[i][bw][1] = high_th; 226777ff2c6bSLiad Kaufman } 226877ff2c6bSLiad Kaufman } 226977ff2c6bSLiad Kaufman 227077ff2c6bSLiad Kaufman flags |= STA_CTXT_HE_PACKET_EXT; 227177ff2c6bSLiad Kaufman } 2272514c3069SLuca Coelho } 2273514c3069SLuca Coelho rcu_read_unlock(); 2274514c3069SLuca Coelho 2275514c3069SLuca Coelho /* Mark MU EDCA as enabled, unless none detected on some AC */ 2276514c3069SLuca Coelho flags |= STA_CTXT_HE_MU_EDCA_CW; 2277514c3069SLuca Coelho for (i = 0; i < AC_NUM; i++) { 2278514c3069SLuca Coelho struct ieee80211_he_mu_edca_param_ac_rec *mu_edca = 2279514c3069SLuca Coelho &mvmvif->queue_params[i].mu_edca_param_rec; 2280514c3069SLuca Coelho 2281514c3069SLuca Coelho if (!mvmvif->queue_params[i].mu_edca) { 2282514c3069SLuca Coelho flags &= ~STA_CTXT_HE_MU_EDCA_CW; 2283514c3069SLuca Coelho break; 2284514c3069SLuca Coelho } 2285514c3069SLuca Coelho 2286514c3069SLuca Coelho sta_ctxt_cmd.trig_based_txf[i].cwmin = 2287514c3069SLuca Coelho cpu_to_le16(mu_edca->ecw_min_max & 0xf); 2288514c3069SLuca Coelho sta_ctxt_cmd.trig_based_txf[i].cwmax = 2289514c3069SLuca Coelho cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); 2290514c3069SLuca Coelho sta_ctxt_cmd.trig_based_txf[i].aifsn = 2291514c3069SLuca Coelho cpu_to_le16(mu_edca->aifsn); 2292514c3069SLuca Coelho sta_ctxt_cmd.trig_based_txf[i].mu_time = 2293514c3069SLuca Coelho cpu_to_le16(mu_edca->mu_edca_timer); 2294514c3069SLuca Coelho } 2295514c3069SLuca Coelho 2296514c3069SLuca Coelho if (vif->bss_conf.multi_sta_back_32bit) 2297514c3069SLuca Coelho flags |= STA_CTXT_HE_32BIT_BA_BITMAP; 2298514c3069SLuca Coelho 2299514c3069SLuca Coelho if (vif->bss_conf.ack_enabled) 2300514c3069SLuca Coelho flags |= STA_CTXT_HE_ACK_ENABLED; 2301514c3069SLuca Coelho 2302514c3069SLuca Coelho if (vif->bss_conf.uora_exists) { 2303514c3069SLuca Coelho flags |= STA_CTXT_HE_TRIG_RND_ALLOC; 2304514c3069SLuca Coelho 2305514c3069SLuca Coelho sta_ctxt_cmd.rand_alloc_ecwmin = 2306514c3069SLuca Coelho vif->bss_conf.uora_ocw_range & 0x7; 2307514c3069SLuca Coelho sta_ctxt_cmd.rand_alloc_ecwmax = 2308514c3069SLuca Coelho (vif->bss_conf.uora_ocw_range >> 3) & 0x7; 2309514c3069SLuca Coelho } 2310514c3069SLuca Coelho 2311514c3069SLuca Coelho /* TODO: support Multi BSSID IE */ 2312514c3069SLuca Coelho 2313514c3069SLuca Coelho sta_ctxt_cmd.flags = cpu_to_le32(flags); 2314514c3069SLuca Coelho 2315514c3069SLuca Coelho if (iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(STA_HE_CTXT_CMD, 2316514c3069SLuca Coelho DATA_PATH_GROUP, 0), 2317514c3069SLuca Coelho 0, sizeof(sta_ctxt_cmd), &sta_ctxt_cmd)) 2318514c3069SLuca Coelho IWL_ERR(mvm, "Failed to config FW to work HE!\n"); 2319514c3069SLuca Coelho } 2320514c3069SLuca Coelho 2321e705c121SKalle Valo static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 2322e705c121SKalle Valo struct ieee80211_vif *vif, 2323e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2324e705c121SKalle Valo u32 changes) 2325e705c121SKalle Valo { 2326e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2327e705c121SKalle Valo int ret; 2328e705c121SKalle Valo 2329e705c121SKalle Valo /* 2330e705c121SKalle Valo * Re-calculate the tsf id, as the master-slave relations depend on the 2331e705c121SKalle Valo * beacon interval, which was not known when the station interface was 2332e705c121SKalle Valo * added. 2333e705c121SKalle Valo */ 2334514c3069SLuca Coelho if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc) { 2335230ba6c5SLuca Coelho if (vif->bss_conf.he_support && 2336230ba6c5SLuca Coelho !iwlwifi_mod_params.disable_11ax) 2337514c3069SLuca Coelho iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id); 2338514c3069SLuca Coelho 2339e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2340514c3069SLuca Coelho } 2341e705c121SKalle Valo 234240ecdd01SShaul Triebitz /* Update MU EDCA params */ 234340ecdd01SShaul Triebitz if (changes & BSS_CHANGED_QOS && mvmvif->associated && 234440ecdd01SShaul Triebitz bss_conf->assoc && vif->bss_conf.he_support && 234540ecdd01SShaul Triebitz !iwlwifi_mod_params.disable_11ax) 234640ecdd01SShaul Triebitz iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id); 234740ecdd01SShaul Triebitz 2348e705c121SKalle Valo /* 2349e705c121SKalle Valo * If we're not associated yet, take the (new) BSSID before associating 2350e705c121SKalle Valo * so the firmware knows. If we're already associated, then use the old 2351e705c121SKalle Valo * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 2352e705c121SKalle Valo * branch for disassociation below. 2353e705c121SKalle Valo */ 2354e705c121SKalle Valo if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 2355e705c121SKalle Valo memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); 2356e705c121SKalle Valo 2357e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid); 2358e705c121SKalle Valo if (ret) 2359e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2360e705c121SKalle Valo 2361e705c121SKalle Valo /* after sending it once, adopt mac80211 data */ 2362e705c121SKalle Valo memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); 2363e705c121SKalle Valo mvmvif->associated = bss_conf->assoc; 2364e705c121SKalle Valo 2365e705c121SKalle Valo if (changes & BSS_CHANGED_ASSOC) { 2366e705c121SKalle Valo if (bss_conf->assoc) { 2367e705c121SKalle Valo /* clear statistics to get clean beacon counter */ 2368e705c121SKalle Valo iwl_mvm_request_statistics(mvm, true); 2369e705c121SKalle Valo memset(&mvmvif->beacon_stats, 0, 2370e705c121SKalle Valo sizeof(mvmvif->beacon_stats)); 2371e705c121SKalle Valo 2372e705c121SKalle Valo /* add quota for this interface */ 2373e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 2374e705c121SKalle Valo if (ret) { 2375e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 2376e705c121SKalle Valo return; 2377e705c121SKalle Valo } 2378e705c121SKalle Valo 2379e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2380e705c121SKalle Valo &mvm->status)) { 2381e705c121SKalle Valo /* 2382e705c121SKalle Valo * If we're restarting then the firmware will 2383e705c121SKalle Valo * obviously have lost synchronisation with 2384e705c121SKalle Valo * the AP. It will attempt to synchronise by 2385e705c121SKalle Valo * itself, but we can make it more reliable by 2386e705c121SKalle Valo * scheduling a session protection time event. 2387e705c121SKalle Valo * 2388e705c121SKalle Valo * The firmware needs to receive a beacon to 2389e705c121SKalle Valo * catch up with synchronisation, use 110% of 2390e705c121SKalle Valo * the beacon interval. 2391e705c121SKalle Valo * 2392e705c121SKalle Valo * Set a large maximum delay to allow for more 2393e705c121SKalle Valo * than a single interface. 2394e705c121SKalle Valo */ 2395e705c121SKalle Valo u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 2396e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, dur, dur, 2397e705c121SKalle Valo 5 * dur, false); 2398e705c121SKalle Valo } 2399e705c121SKalle Valo 2400e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 2401e705c121SKalle Valo iwl_mvm_power_vif_assoc(mvm, vif); 2402e705c121SKalle Valo if (vif->p2p) { 2403e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT); 2404e705c121SKalle Valo iwl_mvm_update_smps(mvm, vif, 2405e705c121SKalle Valo IWL_MVM_SMPS_REQ_PROT, 2406e705c121SKalle Valo IEEE80211_SMPS_DYNAMIC); 2407e705c121SKalle Valo } 24080ae98812SSara Sharon } else if (mvmvif->ap_sta_id != IWL_MVM_INVALID_STA) { 2409e705c121SKalle Valo /* 2410e705c121SKalle Valo * If update fails - SF might be running in associated 2411e705c121SKalle Valo * mode while disassociated - which is forbidden. 2412e705c121SKalle Valo */ 241369e508b4SIlan Peer ret = iwl_mvm_sf_update(mvm, vif, false); 241469e508b4SIlan Peer WARN_ONCE(ret && 241569e508b4SIlan Peer !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 241669e508b4SIlan Peer &mvm->status), 2417e705c121SKalle Valo "Failed to update SF upon disassociation\n"); 2418e705c121SKalle Valo 24196b28f978SEmmanuel Grumbach /* 24206b28f978SEmmanuel Grumbach * If we get an assert during the connection (after the 24216b28f978SEmmanuel Grumbach * station has been added, but before the vif is set 24226b28f978SEmmanuel Grumbach * to associated), mac80211 will re-add the station and 24236b28f978SEmmanuel Grumbach * then configure the vif. Since the vif is not 24246b28f978SEmmanuel Grumbach * associated, we would remove the station here and 24256b28f978SEmmanuel Grumbach * this would fail the recovery. 24266b28f978SEmmanuel Grumbach */ 24276b28f978SEmmanuel Grumbach if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 24286b28f978SEmmanuel Grumbach &mvm->status)) { 24296b28f978SEmmanuel Grumbach /* 24306b28f978SEmmanuel Grumbach * Remove AP station now that 24316b28f978SEmmanuel Grumbach * the MAC is unassoc 24326b28f978SEmmanuel Grumbach */ 24336b28f978SEmmanuel Grumbach ret = iwl_mvm_rm_sta_id(mvm, vif, 24346b28f978SEmmanuel Grumbach mvmvif->ap_sta_id); 2435e705c121SKalle Valo if (ret) 24366b28f978SEmmanuel Grumbach IWL_ERR(mvm, 24376b28f978SEmmanuel Grumbach "failed to remove AP station\n"); 2438e705c121SKalle Valo 2439e705c121SKalle Valo if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id) 24406b28f978SEmmanuel Grumbach mvm->d0i3_ap_sta_id = 24416b28f978SEmmanuel Grumbach IWL_MVM_INVALID_STA; 24420ae98812SSara Sharon mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; 24436b28f978SEmmanuel Grumbach } 24446b28f978SEmmanuel Grumbach 2445e705c121SKalle Valo /* remove quota for this interface */ 2446e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2447e705c121SKalle Valo if (ret) 2448e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 2449e705c121SKalle Valo 2450e705c121SKalle Valo if (vif->p2p) 2451e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT); 2452e705c121SKalle Valo 2453e705c121SKalle Valo /* this will take the cleared BSSID from bss_conf */ 2454e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2455e705c121SKalle Valo if (ret) 2456e705c121SKalle Valo IWL_ERR(mvm, 2457e705c121SKalle Valo "failed to update MAC %pM (clear after unassoc)\n", 2458e705c121SKalle Valo vif->addr); 2459e705c121SKalle Valo } 2460e705c121SKalle Valo 2461a07a8f37SSara Sharon /* 2462a07a8f37SSara Sharon * The firmware tracks the MU-MIMO group on its own. 2463f92659a1SSara Sharon * However, on HW restart we should restore this data. 2464a07a8f37SSara Sharon */ 2465a07a8f37SSara Sharon if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2466f92659a1SSara Sharon (changes & BSS_CHANGED_MU_GROUPS) && vif->mu_mimo_owner) { 2467a07a8f37SSara Sharon ret = iwl_mvm_update_mu_groups(mvm, vif); 2468a07a8f37SSara Sharon if (ret) 2469a07a8f37SSara Sharon IWL_ERR(mvm, 2470a07a8f37SSara Sharon "failed to update VHT MU_MIMO groups\n"); 2471a07a8f37SSara Sharon } 2472a07a8f37SSara Sharon 2473e705c121SKalle Valo iwl_mvm_recalc_multicast(mvm); 247434672bb3SEliad Peller iwl_mvm_configure_bcast_filter(mvm); 2475e705c121SKalle Valo 2476e705c121SKalle Valo /* reset rssi values */ 2477e705c121SKalle Valo mvmvif->bf_data.ave_beacon_signal = 0; 2478e705c121SKalle Valo 2479e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2480e705c121SKalle Valo iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2481e705c121SKalle Valo IEEE80211_SMPS_AUTOMATIC); 2482355346baSAvraham Stern if (fw_has_capa(&mvm->fw->ucode_capa, 2483355346baSAvraham Stern IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2484355346baSAvraham Stern iwl_mvm_config_scan(mvm); 2485b45242c9SAvraham Stern } 2486b45242c9SAvraham Stern 2487b45242c9SAvraham Stern if (changes & BSS_CHANGED_BEACON_INFO) { 2488e705c121SKalle Valo /* 2489b45242c9SAvraham Stern * We received a beacon from the associated AP so 2490e705c121SKalle Valo * remove the session protection. 2491e705c121SKalle Valo */ 24923edfb5f4SAvraham Stern iwl_mvm_stop_session_protection(mvm, vif); 2493e705c121SKalle Valo 2494e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 2495e705c121SKalle Valo WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 2496e705c121SKalle Valo } 2497e705c121SKalle Valo 2498283115fbSAvri Altman if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2499283115fbSAvri Altman /* 2500283115fbSAvri Altman * Send power command on every beacon change, 2501283115fbSAvri Altman * because we may have not enabled beacon abort yet. 2502283115fbSAvri Altman */ 2503283115fbSAvri Altman BSS_CHANGED_BEACON_INFO)) { 2504e705c121SKalle Valo ret = iwl_mvm_power_update_mac(mvm); 2505e705c121SKalle Valo if (ret) 2506e705c121SKalle Valo IWL_ERR(mvm, "failed to update power mode\n"); 2507e705c121SKalle Valo } 2508e705c121SKalle Valo 2509e705c121SKalle Valo if (changes & BSS_CHANGED_TXPOWER) { 2510e705c121SKalle Valo IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", 2511e705c121SKalle Valo bss_conf->txpower); 2512e705c121SKalle Valo iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 2513e705c121SKalle Valo } 2514e705c121SKalle Valo 2515e705c121SKalle Valo if (changes & BSS_CHANGED_CQM) { 2516e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n"); 2517e705c121SKalle Valo /* reset cqm events tracking */ 2518e705c121SKalle Valo mvmvif->bf_data.last_cqm_event = 0; 2519e705c121SKalle Valo if (mvmvif->bf_data.bf_enabled) { 2520e705c121SKalle Valo ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 2521e705c121SKalle Valo if (ret) 2522e705c121SKalle Valo IWL_ERR(mvm, 2523e705c121SKalle Valo "failed to update CQM thresholds\n"); 2524e705c121SKalle Valo } 2525e705c121SKalle Valo } 2526e705c121SKalle Valo 2527e705c121SKalle Valo if (changes & BSS_CHANGED_ARP_FILTER) { 2528e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "arp filter changed\n"); 252934672bb3SEliad Peller iwl_mvm_configure_bcast_filter(mvm); 2530e705c121SKalle Valo } 2531e705c121SKalle Valo } 2532e705c121SKalle Valo 2533e705c121SKalle Valo static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 2534e705c121SKalle Valo struct ieee80211_vif *vif) 2535e705c121SKalle Valo { 2536e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2537e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2538e705c121SKalle Valo int ret; 2539e705c121SKalle Valo 2540e705c121SKalle Valo /* 2541e705c121SKalle Valo * iwl_mvm_mac_ctxt_add() might read directly from the device 2542e705c121SKalle Valo * (the system time), so make sure it is available. 2543e705c121SKalle Valo */ 2544e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP); 2545e705c121SKalle Valo if (ret) 2546e705c121SKalle Valo return ret; 2547e705c121SKalle Valo 2548e705c121SKalle Valo mutex_lock(&mvm->mutex); 2549e705c121SKalle Valo 2550e705c121SKalle Valo /* Send the beacon template */ 2551e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif); 2552e705c121SKalle Valo if (ret) 2553e705c121SKalle Valo goto out_unlock; 2554e705c121SKalle Valo 2555e705c121SKalle Valo /* 2556e705c121SKalle Valo * Re-calculate the tsf id, as the master-slave relations depend on the 2557e705c121SKalle Valo * beacon interval, which was not known when the AP interface was added. 2558e705c121SKalle Valo */ 2559e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) 2560e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2561e705c121SKalle Valo 2562e705c121SKalle Valo mvmvif->ap_assoc_sta_count = 0; 2563e705c121SKalle Valo 2564e705c121SKalle Valo /* Add the mac context */ 2565e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 2566e705c121SKalle Valo if (ret) 2567e705c121SKalle Valo goto out_unlock; 2568e705c121SKalle Valo 2569e705c121SKalle Valo /* Perform the binding */ 2570e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 2571e705c121SKalle Valo if (ret) 2572e705c121SKalle Valo goto out_remove; 2573e705c121SKalle Valo 257463dd5d02SSara Sharon /* 257563dd5d02SSara Sharon * This is not very nice, but the simplest: 257663dd5d02SSara Sharon * For older FWs adding the mcast sta before the bcast station may 257763dd5d02SSara Sharon * cause assert 0x2b00. 257863dd5d02SSara Sharon * This is fixed in later FW so make the order of removal depend on 257963dd5d02SSara Sharon * the TLV 258063dd5d02SSara Sharon */ 258163dd5d02SSara Sharon if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { 2582ced19f26SSara Sharon ret = iwl_mvm_add_mcast_sta(mvm, vif); 2583ced19f26SSara Sharon if (ret) 2584ced19f26SSara Sharon goto out_unbind; 258563dd5d02SSara Sharon /* 258663dd5d02SSara Sharon * Send the bcast station. At this stage the TBTT and DTIM time 258763dd5d02SSara Sharon * events are added and applied to the scheduler 258863dd5d02SSara Sharon */ 2589e705c121SKalle Valo ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 259063dd5d02SSara Sharon if (ret) { 259163dd5d02SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 259263dd5d02SSara Sharon goto out_unbind; 259363dd5d02SSara Sharon } 259463dd5d02SSara Sharon } else { 259563dd5d02SSara Sharon /* 259663dd5d02SSara Sharon * Send the bcast station. At this stage the TBTT and DTIM time 259763dd5d02SSara Sharon * events are added and applied to the scheduler 259863dd5d02SSara Sharon */ 259975fd4fecSJohannes Berg ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 2600e705c121SKalle Valo if (ret) 260163dd5d02SSara Sharon goto out_unbind; 260275fd4fecSJohannes Berg ret = iwl_mvm_add_mcast_sta(mvm, vif); 260363dd5d02SSara Sharon if (ret) { 260463dd5d02SSara Sharon iwl_mvm_send_rm_bcast_sta(mvm, vif); 260563dd5d02SSara Sharon goto out_unbind; 260663dd5d02SSara Sharon } 260763dd5d02SSara Sharon } 260826d6c16bSSara Sharon 2609e705c121SKalle Valo /* must be set before quota calculations */ 2610e705c121SKalle Valo mvmvif->ap_ibss_active = true; 2611e705c121SKalle Valo 261247242744STova Mussai if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 261347242744STova Mussai iwl_mvm_vif_set_low_latency(mvmvif, true, 261447242744STova Mussai LOW_LATENCY_VIF_TYPE); 261547242744STova Mussai iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); 261647242744STova Mussai } 261747242744STova Mussai 2618e705c121SKalle Valo /* power updated needs to be done before quotas */ 2619e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2620e705c121SKalle Valo 2621e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2622e705c121SKalle Valo if (ret) 2623e705c121SKalle Valo goto out_quota_failed; 2624e705c121SKalle Valo 2625e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2626e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2627e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2628e705c121SKalle Valo 2629e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS); 2630e705c121SKalle Valo 2631e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2632e705c121SKalle Valo 2633e705c121SKalle Valo /* we don't support TDLS during DCM */ 2634e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 2635e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 2636e705c121SKalle Valo 2637b73f9a4aSJohannes Berg iwl_mvm_ftm_restart_responder(mvm, vif); 2638b73f9a4aSJohannes Berg 2639e705c121SKalle Valo goto out_unlock; 2640e705c121SKalle Valo 2641e705c121SKalle Valo out_quota_failed: 2642e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2643e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2644e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2645ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2646e705c121SKalle Valo out_unbind: 2647e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2648e705c121SKalle Valo out_remove: 2649e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2650e705c121SKalle Valo out_unlock: 2651e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2652e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP); 2653e705c121SKalle Valo return ret; 2654e705c121SKalle Valo } 2655e705c121SKalle Valo 2656e705c121SKalle Valo static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 2657e705c121SKalle Valo struct ieee80211_vif *vif) 2658e705c121SKalle Valo { 2659e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2660e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2661e705c121SKalle Valo 2662e705c121SKalle Valo iwl_mvm_prepare_mac_removal(mvm, vif); 2663e705c121SKalle Valo 2664e705c121SKalle Valo mutex_lock(&mvm->mutex); 2665e705c121SKalle Valo 2666e705c121SKalle Valo /* Handle AP stop while in CSA */ 2667e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_vif) == vif) { 2668e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, 2669e705c121SKalle Valo &mvmvif->time_event_data); 2670e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_vif, NULL); 2671e705c121SKalle Valo mvmvif->csa_countdown = false; 2672e705c121SKalle Valo } 2673e705c121SKalle Valo 2674e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 2675e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 2676e705c121SKalle Valo mvm->csa_tx_block_bcn_timeout = 0; 2677e705c121SKalle Valo } 2678e705c121SKalle Valo 2679e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2680e705c121SKalle Valo mvm->ap_last_beacon_gp2 = 0; 2681e705c121SKalle Valo 268247242744STova Mussai if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 268347242744STova Mussai iwl_mvm_vif_set_low_latency(mvmvif, false, 268447242744STova Mussai LOW_LATENCY_VIF_TYPE); 268547242744STova Mussai iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); 268647242744STova Mussai } 268747242744STova Mussai 2688e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2689e705c121SKalle Valo 2690e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS); 2691e705c121SKalle Valo 2692e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2693e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2694e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2695e705c121SKalle Valo 2696e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 2697ced19f26SSara Sharon 2698ced19f26SSara Sharon /* 2699ced19f26SSara Sharon * This is not very nice, but the simplest: 2700ced19f26SSara Sharon * For older FWs removing the mcast sta before the bcast station may 2701ced19f26SSara Sharon * cause assert 0x2b00. 2702ced19f26SSara Sharon * This is fixed in later FW (which will stop beaconing when removing 2703ced19f26SSara Sharon * bcast station). 2704ced19f26SSara Sharon * So make the order of removal depend on the TLV 2705ced19f26SSara Sharon */ 2706ced19f26SSara Sharon if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 270726d6c16bSSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2708e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2709ced19f26SSara Sharon if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 2710ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2711e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2712e705c121SKalle Valo 2713e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2714e705c121SKalle Valo 2715e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2716e705c121SKalle Valo 2717e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2718e705c121SKalle Valo } 2719e705c121SKalle Valo 2720e705c121SKalle Valo static void 2721e705c121SKalle Valo iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 2722e705c121SKalle Valo struct ieee80211_vif *vif, 2723e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2724e705c121SKalle Valo u32 changes) 2725e705c121SKalle Valo { 2726e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2727e705c121SKalle Valo 2728e705c121SKalle Valo /* Changes will be applied when the AP/IBSS is started */ 2729e705c121SKalle Valo if (!mvmvif->ap_ibss_active) 2730e705c121SKalle Valo return; 2731e705c121SKalle Valo 2732e705c121SKalle Valo if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 2733e705c121SKalle Valo BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 2734e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 2735e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2736e705c121SKalle Valo 2737e705c121SKalle Valo /* Need to send a new beacon template to the FW */ 2738e705c121SKalle Valo if (changes & BSS_CHANGED_BEACON && 2739e705c121SKalle Valo iwl_mvm_mac_ctxt_beacon_changed(mvm, vif)) 2740e705c121SKalle Valo IWL_WARN(mvm, "Failed updating beacon data\n"); 2741e705c121SKalle Valo 2742e705c121SKalle Valo if (changes & BSS_CHANGED_TXPOWER) { 2743e705c121SKalle Valo IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", 2744e705c121SKalle Valo bss_conf->txpower); 2745e705c121SKalle Valo iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 2746e705c121SKalle Valo } 2747b73f9a4aSJohannes Berg 2748b73f9a4aSJohannes Berg if (changes & BSS_CHANGED_FTM_RESPONDER) { 2749b73f9a4aSJohannes Berg int ret = iwl_mvm_ftm_start_responder(mvm, vif); 2750b73f9a4aSJohannes Berg 2751b73f9a4aSJohannes Berg if (ret) 2752b73f9a4aSJohannes Berg IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n", 2753b73f9a4aSJohannes Berg ret); 2754b73f9a4aSJohannes Berg } 2755b73f9a4aSJohannes Berg 2756e705c121SKalle Valo } 2757e705c121SKalle Valo 2758e705c121SKalle Valo static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 2759e705c121SKalle Valo struct ieee80211_vif *vif, 2760e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2761e705c121SKalle Valo u32 changes) 2762e705c121SKalle Valo { 2763e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2764e705c121SKalle Valo 2765e705c121SKalle Valo /* 2766e705c121SKalle Valo * iwl_mvm_bss_info_changed_station() might call 2767e705c121SKalle Valo * iwl_mvm_protect_session(), which reads directly from 2768e705c121SKalle Valo * the device (the system time), so make sure it is available. 2769e705c121SKalle Valo */ 2770e705c121SKalle Valo if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED)) 2771e705c121SKalle Valo return; 2772e705c121SKalle Valo 2773e705c121SKalle Valo mutex_lock(&mvm->mutex); 2774e705c121SKalle Valo 2775e705c121SKalle Valo if (changes & BSS_CHANGED_IDLE && !bss_conf->idle) 2776e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 2777e705c121SKalle Valo 2778e705c121SKalle Valo switch (vif->type) { 2779e705c121SKalle Valo case NL80211_IFTYPE_STATION: 2780e705c121SKalle Valo iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); 2781e705c121SKalle Valo break; 2782e705c121SKalle Valo case NL80211_IFTYPE_AP: 2783e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 2784e705c121SKalle Valo iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); 2785e705c121SKalle Valo break; 278691b08c2dSAviya Erenfeld case NL80211_IFTYPE_MONITOR: 278791b08c2dSAviya Erenfeld if (changes & BSS_CHANGED_MU_GROUPS) 278891b08c2dSAviya Erenfeld iwl_mvm_update_mu_groups(mvm, vif); 278991b08c2dSAviya Erenfeld break; 2790e705c121SKalle Valo default: 2791e705c121SKalle Valo /* shouldn't happen */ 2792e705c121SKalle Valo WARN_ON_ONCE(1); 2793e705c121SKalle Valo } 2794e705c121SKalle Valo 2795e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2796e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED); 2797e705c121SKalle Valo } 2798e705c121SKalle Valo 2799e705c121SKalle Valo static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, 2800e705c121SKalle Valo struct ieee80211_vif *vif, 2801e705c121SKalle Valo struct ieee80211_scan_request *hw_req) 2802e705c121SKalle Valo { 2803e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2804e705c121SKalle Valo int ret; 2805e705c121SKalle Valo 2806e705c121SKalle Valo if (hw_req->req.n_channels == 0 || 2807e705c121SKalle Valo hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 2808e705c121SKalle Valo return -EINVAL; 2809e705c121SKalle Valo 2810e705c121SKalle Valo mutex_lock(&mvm->mutex); 2811e705c121SKalle Valo ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 2812e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2813e705c121SKalle Valo 2814e705c121SKalle Valo return ret; 2815e705c121SKalle Valo } 2816e705c121SKalle Valo 2817e705c121SKalle Valo static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 2818e705c121SKalle Valo struct ieee80211_vif *vif) 2819e705c121SKalle Valo { 2820e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2821e705c121SKalle Valo 2822e705c121SKalle Valo mutex_lock(&mvm->mutex); 2823e705c121SKalle Valo 2824e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 2825e705c121SKalle Valo * us to stop a hw_scan when it's already stopped. This can 2826e705c121SKalle Valo * happen, for instance, if we stopped the scan ourselves, 2827e705c121SKalle Valo * called ieee80211_scan_completed() and the userspace called 2828e705c121SKalle Valo * cancel scan scan before ieee80211_scan_work() could run. 2829e705c121SKalle Valo * To handle that, simply return if the scan is not running. 2830e705c121SKalle Valo */ 2831e705c121SKalle Valo if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 2832e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 2833e705c121SKalle Valo 2834e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2835e705c121SKalle Valo } 2836e705c121SKalle Valo 2837e705c121SKalle Valo static void 2838e705c121SKalle Valo iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, 2839e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 2840e705c121SKalle Valo int num_frames, 2841e705c121SKalle Valo enum ieee80211_frame_release_type reason, 2842e705c121SKalle Valo bool more_data) 2843e705c121SKalle Valo { 2844e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2845e705c121SKalle Valo 2846e705c121SKalle Valo /* Called when we need to transmit (a) frame(s) from mac80211 */ 2847e705c121SKalle Valo 2848e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 2849e705c121SKalle Valo tids, more_data, false); 2850e705c121SKalle Valo } 2851e705c121SKalle Valo 2852e705c121SKalle Valo static void 2853e705c121SKalle Valo iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, 2854e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 2855e705c121SKalle Valo int num_frames, 2856e705c121SKalle Valo enum ieee80211_frame_release_type reason, 2857e705c121SKalle Valo bool more_data) 2858e705c121SKalle Valo { 2859e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2860e705c121SKalle Valo 28619a3fcf91SSara Sharon /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ 2862e705c121SKalle Valo 2863e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 2864e705c121SKalle Valo tids, more_data, true); 2865e705c121SKalle Valo } 2866e705c121SKalle Valo 286765e25482SJohannes Berg static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 2868e705c121SKalle Valo enum sta_notify_cmd cmd, 2869e705c121SKalle Valo struct ieee80211_sta *sta) 2870e705c121SKalle Valo { 2871e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2872e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 2873e705c121SKalle Valo unsigned long txqs = 0, tids = 0; 2874e705c121SKalle Valo int tid; 2875e705c121SKalle Valo 2876960f864bSJohannes Berg /* 2877960f864bSJohannes Berg * If we have TVQM then we get too high queue numbers - luckily 2878960f864bSJohannes Berg * we really shouldn't get here with that because such hardware 2879960f864bSJohannes Berg * should have firmware supporting buffer station offload. 2880960f864bSJohannes Berg */ 2881960f864bSJohannes Berg if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 2882960f864bSJohannes Berg return; 2883960f864bSJohannes Berg 2884e705c121SKalle Valo spin_lock_bh(&mvmsta->lock); 2885311590a3SEmmanuel Grumbach for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) { 2886e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 2887e705c121SKalle Valo 28886862fceeSSara Sharon if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 28891c17627bSSara Sharon continue; 28901c17627bSSara Sharon 2891e705c121SKalle Valo __set_bit(tid_data->txq_id, &txqs); 2892e705c121SKalle Valo 2893dd32162dSLiad Kaufman if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 2894e705c121SKalle Valo continue; 2895e705c121SKalle Valo 2896e705c121SKalle Valo __set_bit(tid, &tids); 2897e705c121SKalle Valo } 2898e705c121SKalle Valo 2899e705c121SKalle Valo switch (cmd) { 2900e705c121SKalle Valo case STA_NOTIFY_SLEEP: 2901e705c121SKalle Valo for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 2902e705c121SKalle Valo ieee80211_sta_set_buffered(sta, tid, true); 2903e705c121SKalle Valo 2904e705c121SKalle Valo if (txqs) 2905e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 2906e705c121SKalle Valo /* 2907e705c121SKalle Valo * The fw updates the STA to be asleep. Tx packets on the Tx 2908e705c121SKalle Valo * queues to this station will not be transmitted. The fw will 2909e705c121SKalle Valo * send a Tx response with TX_STATUS_FAIL_DEST_PS. 2910e705c121SKalle Valo */ 2911e705c121SKalle Valo break; 2912e705c121SKalle Valo case STA_NOTIFY_AWAKE: 29130ae98812SSara Sharon if (WARN_ON(mvmsta->sta_id == IWL_MVM_INVALID_STA)) 2914e705c121SKalle Valo break; 2915e705c121SKalle Valo 2916e705c121SKalle Valo if (txqs) 2917e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 2918e705c121SKalle Valo iwl_mvm_sta_modify_ps_wake(mvm, sta); 2919e705c121SKalle Valo break; 2920e705c121SKalle Valo default: 2921e705c121SKalle Valo break; 2922e705c121SKalle Valo } 2923e705c121SKalle Valo spin_unlock_bh(&mvmsta->lock); 2924e705c121SKalle Valo } 2925e705c121SKalle Valo 292665e25482SJohannes Berg static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 292765e25482SJohannes Berg struct ieee80211_vif *vif, 292865e25482SJohannes Berg enum sta_notify_cmd cmd, 292965e25482SJohannes Berg struct ieee80211_sta *sta) 293065e25482SJohannes Berg { 293165e25482SJohannes Berg __iwl_mvm_mac_sta_notify(hw, cmd, sta); 293265e25482SJohannes Berg } 293365e25482SJohannes Berg 293465e25482SJohannes Berg void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 293565e25482SJohannes Berg { 293665e25482SJohannes Berg struct iwl_rx_packet *pkt = rxb_addr(rxb); 293765e25482SJohannes Berg struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 293865e25482SJohannes Berg struct ieee80211_sta *sta; 293965e25482SJohannes Berg struct iwl_mvm_sta *mvmsta; 294065e25482SJohannes Berg bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 294165e25482SJohannes Berg 294265e25482SJohannes Berg if (WARN_ON(notif->sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))) 294365e25482SJohannes Berg return; 294465e25482SJohannes Berg 294565e25482SJohannes Berg rcu_read_lock(); 2946a9560029SSara Sharon sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 294765e25482SJohannes Berg if (WARN_ON(IS_ERR_OR_NULL(sta))) { 294865e25482SJohannes Berg rcu_read_unlock(); 294965e25482SJohannes Berg return; 295065e25482SJohannes Berg } 295165e25482SJohannes Berg 295265e25482SJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 295365e25482SJohannes Berg 295465e25482SJohannes Berg if (!mvmsta->vif || 295565e25482SJohannes Berg mvmsta->vif->type != NL80211_IFTYPE_AP) { 295665e25482SJohannes Berg rcu_read_unlock(); 295765e25482SJohannes Berg return; 295865e25482SJohannes Berg } 295965e25482SJohannes Berg 296065e25482SJohannes Berg if (mvmsta->sleeping != sleeping) { 296165e25482SJohannes Berg mvmsta->sleeping = sleeping; 296265e25482SJohannes Berg __iwl_mvm_mac_sta_notify(mvm->hw, 296365e25482SJohannes Berg sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 296465e25482SJohannes Berg sta); 296565e25482SJohannes Berg ieee80211_sta_ps_transition(sta, sleeping); 296665e25482SJohannes Berg } 296765e25482SJohannes Berg 296865e25482SJohannes Berg if (sleeping) { 296965e25482SJohannes Berg switch (notif->type) { 297065e25482SJohannes Berg case IWL_MVM_PM_EVENT_AWAKE: 297165e25482SJohannes Berg case IWL_MVM_PM_EVENT_ASLEEP: 297265e25482SJohannes Berg break; 297365e25482SJohannes Berg case IWL_MVM_PM_EVENT_UAPSD: 297465e25482SJohannes Berg ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 297565e25482SJohannes Berg break; 297665e25482SJohannes Berg case IWL_MVM_PM_EVENT_PS_POLL: 297765e25482SJohannes Berg ieee80211_sta_pspoll(sta); 297865e25482SJohannes Berg break; 297965e25482SJohannes Berg default: 298065e25482SJohannes Berg break; 298165e25482SJohannes Berg } 298265e25482SJohannes Berg } 298365e25482SJohannes Berg 298465e25482SJohannes Berg rcu_read_unlock(); 298565e25482SJohannes Berg } 298665e25482SJohannes Berg 2987e705c121SKalle Valo static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 2988e705c121SKalle Valo struct ieee80211_vif *vif, 2989e705c121SKalle Valo struct ieee80211_sta *sta) 2990e705c121SKalle Valo { 2991e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2992e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 2993e705c121SKalle Valo 2994e705c121SKalle Valo /* 2995e705c121SKalle Valo * This is called before mac80211 does RCU synchronisation, 2996e705c121SKalle Valo * so here we already invalidate our internal RCU-protected 2997e705c121SKalle Valo * station pointer. The rest of the code will thus no longer 2998e705c121SKalle Valo * be able to find the station this way, and we don't rely 2999e705c121SKalle Valo * on further RCU synchronisation after the sta_state() 3000e705c121SKalle Valo * callback deleted the station. 3001e705c121SKalle Valo */ 3002e705c121SKalle Valo mutex_lock(&mvm->mutex); 3003e705c121SKalle Valo if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id])) 3004e705c121SKalle Valo rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], 3005e705c121SKalle Valo ERR_PTR(-ENOENT)); 3006e705c121SKalle Valo 3007e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3008e705c121SKalle Valo } 3009e705c121SKalle Valo 3010e705c121SKalle Valo static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 3011e705c121SKalle Valo const u8 *bssid) 3012e705c121SKalle Valo { 3013b0ffe455SJohannes Berg int i; 3014b0ffe455SJohannes Berg 3015b0ffe455SJohannes Berg if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 3016b0ffe455SJohannes Berg struct iwl_mvm_tcm_mac *mdata; 3017b0ffe455SJohannes Berg 3018b0ffe455SJohannes Berg mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; 3019b0ffe455SJohannes Berg ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); 3020b0ffe455SJohannes Berg mdata->opened_rx_ba_sessions = false; 3021b0ffe455SJohannes Berg } 3022b0ffe455SJohannes Berg 3023e705c121SKalle Valo if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 3024e705c121SKalle Valo return; 3025e705c121SKalle Valo 3026c5241b0cSAvraham Stern if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 3027cee5a882SAvri Altman vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3028cee5a882SAvri Altman return; 3029cee5a882SAvri Altman } 3030cee5a882SAvri Altman 303111dee0b4SEmmanuel Grumbach if (!vif->p2p && 303211dee0b4SEmmanuel Grumbach (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 3033e705c121SKalle Valo vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3034e705c121SKalle Valo return; 3035e705c121SKalle Valo } 3036e705c121SKalle Valo 3037b0ffe455SJohannes Berg for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { 3038b0ffe455SJohannes Berg if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { 3039b0ffe455SJohannes Berg vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3040b0ffe455SJohannes Berg return; 3041b0ffe455SJohannes Berg } 3042b0ffe455SJohannes Berg } 3043b0ffe455SJohannes Berg 3044e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 3045e705c121SKalle Valo } 3046e705c121SKalle Valo 30471e8f1329SGolan Ben-Ami static void 30481e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 30491e8f1329SGolan Ben-Ami struct ieee80211_vif *vif, u8 *peer_addr, 30501e8f1329SGolan Ben-Ami enum nl80211_tdls_operation action) 30511e8f1329SGolan Ben-Ami { 30521e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tlv *trig; 30531e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tdls *tdls_trig; 30541e8f1329SGolan Ben-Ami 30556c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 30566c042d75SSara Sharon FW_DBG_TRIGGER_TDLS); 30576c042d75SSara Sharon if (!trig) 30581e8f1329SGolan Ben-Ami return; 30591e8f1329SGolan Ben-Ami 30601e8f1329SGolan Ben-Ami tdls_trig = (void *)trig->data; 30611e8f1329SGolan Ben-Ami 30621e8f1329SGolan Ben-Ami if (!(tdls_trig->action_bitmap & BIT(action))) 30631e8f1329SGolan Ben-Ami return; 30641e8f1329SGolan Ben-Ami 30651e8f1329SGolan Ben-Ami if (tdls_trig->peer_mode && 30661e8f1329SGolan Ben-Ami memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 30671e8f1329SGolan Ben-Ami return; 30681e8f1329SGolan Ben-Ami 30697174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 30701e8f1329SGolan Ben-Ami "TDLS event occurred, peer %pM, action %d", 30711e8f1329SGolan Ben-Ami peer_addr, action); 30721e8f1329SGolan Ben-Ami } 30731e8f1329SGolan Ben-Ami 3074e705c121SKalle Valo static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 3075e705c121SKalle Valo struct ieee80211_vif *vif, 3076e705c121SKalle Valo struct ieee80211_sta *sta, 3077e705c121SKalle Valo enum ieee80211_sta_state old_state, 3078e705c121SKalle Valo enum ieee80211_sta_state new_state) 3079e705c121SKalle Valo { 3080e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3081e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 30826ea29ce5SJohannes Berg struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3083e705c121SKalle Valo int ret; 3084e705c121SKalle Valo 3085e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 3086e705c121SKalle Valo sta->addr, old_state, new_state); 3087e705c121SKalle Valo 3088e705c121SKalle Valo /* this would be a mac80211 bug ... but don't crash */ 3089e705c121SKalle Valo if (WARN_ON_ONCE(!mvmvif->phy_ctxt)) 3090e705c121SKalle Valo return -EINVAL; 3091e705c121SKalle Valo 309224afba76SLiad Kaufman /* 309324afba76SLiad Kaufman * If we are in a STA removal flow and in DQA mode: 309424afba76SLiad Kaufman * 309524afba76SLiad Kaufman * This is after the sync_rcu part, so the queues have already been 309624afba76SLiad Kaufman * flushed. No more TXs on their way in mac80211's path, and no more in 309724afba76SLiad Kaufman * the queues. 309824afba76SLiad Kaufman * Also, we won't be getting any new TX frames for this station. 309924afba76SLiad Kaufman * What we might have are deferred TX frames that need to be taken care 310024afba76SLiad Kaufman * of. 310124afba76SLiad Kaufman * 310224afba76SLiad Kaufman * Drop any still-queued deferred-frame before removing the STA, and 310324afba76SLiad Kaufman * make sure the worker is no longer handling frames for this STA. 310424afba76SLiad Kaufman */ 310524afba76SLiad Kaufman if (old_state == IEEE80211_STA_NONE && 3106c8f54701SJohannes Berg new_state == IEEE80211_STA_NOTEXIST) { 310724afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 310824afba76SLiad Kaufman 310924afba76SLiad Kaufman /* 311024afba76SLiad Kaufman * No need to make sure deferred TX indication is off since the 311124afba76SLiad Kaufman * worker will already remove it if it was on 311224afba76SLiad Kaufman */ 311324afba76SLiad Kaufman } 311424afba76SLiad Kaufman 3115e705c121SKalle Valo mutex_lock(&mvm->mutex); 31166ea29ce5SJohannes Berg /* track whether or not the station is associated */ 3117d94c5a82SGregory Greenman mvm_sta->sta_state = new_state; 31186ea29ce5SJohannes Berg 3119e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 3120e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 3121e705c121SKalle Valo /* 3122e705c121SKalle Valo * Firmware bug - it'll crash if the beacon interval is less 3123e705c121SKalle Valo * than 16. We can't avoid connecting at all, so refuse the 3124e705c121SKalle Valo * station state change, this will cause mac80211 to abandon 3125e705c121SKalle Valo * attempts to connect to this AP, and eventually wpa_s will 3126e705c121SKalle Valo * blacklist the AP... 3127e705c121SKalle Valo */ 3128e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && 3129e705c121SKalle Valo vif->bss_conf.beacon_int < 16) { 3130e705c121SKalle Valo IWL_ERR(mvm, 3131e705c121SKalle Valo "AP %pM beacon interval is %d, refusing due to firmware bug!\n", 3132e705c121SKalle Valo sta->addr, vif->bss_conf.beacon_int); 3133e705c121SKalle Valo ret = -EINVAL; 3134e705c121SKalle Valo goto out_unlock; 3135e705c121SKalle Valo } 3136e705c121SKalle Valo 3137e705c121SKalle Valo if (sta->tdls && 3138e705c121SKalle Valo (vif->p2p || 3139e705c121SKalle Valo iwl_mvm_tdls_sta_count(mvm, NULL) == 3140e705c121SKalle Valo IWL_MVM_TDLS_STA_COUNT || 3141e705c121SKalle Valo iwl_mvm_phy_ctx_count(mvm) > 1)) { 3142e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 3143e705c121SKalle Valo ret = -EBUSY; 3144e705c121SKalle Valo goto out_unlock; 3145e705c121SKalle Valo } 3146e705c121SKalle Valo 3147e705c121SKalle Valo ret = iwl_mvm_add_sta(mvm, vif, sta); 31481e8f1329SGolan Ben-Ami if (sta->tdls && ret == 0) { 3149e705c121SKalle Valo iwl_mvm_recalc_tdls_state(mvm, vif, true); 31501e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 31511e8f1329SGolan Ben-Ami NL80211_TDLS_SETUP); 31521e8f1329SGolan Ben-Ami } 3153438af969SSara Sharon 3154438af969SSara Sharon sta->max_rc_amsdu_len = 1; 3155e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 3156e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 3157e705c121SKalle Valo /* 3158e705c121SKalle Valo * EBS may be disabled due to previous failures reported by FW. 3159e705c121SKalle Valo * Reset EBS status here assuming environment has been changed. 3160e705c121SKalle Valo */ 3161e705c121SKalle Valo mvm->last_ebs_successful = true; 3162e705c121SKalle Valo iwl_mvm_check_uapsd(mvm, vif, sta->addr); 3163e705c121SKalle Valo ret = 0; 3164e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 3165e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 31668be30c13SAyala Beker if (vif->type == NL80211_IFTYPE_AP) { 31679394662aSLiad Kaufman vif->bss_conf.he_support = sta->he_cap.has_he; 31688be30c13SAyala Beker mvmvif->ap_assoc_sta_count++; 31698be30c13SAyala Beker iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 317002221a81SShaul Triebitz if (vif->bss_conf.he_support && 317102221a81SShaul Triebitz !iwlwifi_mod_params.disable_11ax) 317202221a81SShaul Triebitz iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->sta_id); 31739394662aSLiad Kaufman } else if (vif->type == NL80211_IFTYPE_STATION) { 31749394662aSLiad Kaufman vif->bss_conf.he_support = sta->he_cap.has_he; 31759394662aSLiad Kaufman iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 31768be30c13SAyala Beker } 3177735a0045SGoodstein, Mordechay 31783baf7528SAvraham Stern iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 31793baf7528SAvraham Stern false); 3180735a0045SGoodstein, Mordechay ret = iwl_mvm_update_sta(mvm, vif, sta); 3181e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 3182e705c121SKalle Valo new_state == IEEE80211_STA_AUTHORIZED) { 318328916a16SEmmanuel Grumbach ret = 0; 3184e705c121SKalle Valo 3185e705c121SKalle Valo /* we don't support TDLS during DCM */ 3186e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 3187e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 3188e705c121SKalle Valo 31891e8f1329SGolan Ben-Ami if (sta->tdls) 31901e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 31911e8f1329SGolan Ben-Ami NL80211_TDLS_ENABLE_LINK); 31921e8f1329SGolan Ben-Ami 3193e705c121SKalle Valo /* enable beacon filtering */ 3194e705c121SKalle Valo WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 31956b7a5aeaSNaftali Goldstein 31963baf7528SAvraham Stern iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 31973baf7528SAvraham Stern true); 3198e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTHORIZED && 3199e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 3200e705c121SKalle Valo /* disable beacon filtering */ 320169e508b4SIlan Peer ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 320269e508b4SIlan Peer WARN_ON(ret && 320369e508b4SIlan Peer !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 320469e508b4SIlan Peer &mvm->status)); 3205e705c121SKalle Valo ret = 0; 3206e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 3207e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 32088be30c13SAyala Beker if (vif->type == NL80211_IFTYPE_AP) { 32098be30c13SAyala Beker mvmvif->ap_assoc_sta_count--; 32108be30c13SAyala Beker iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 32118be30c13SAyala Beker } 3212e705c121SKalle Valo ret = 0; 3213e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 3214e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 3215e705c121SKalle Valo ret = 0; 3216e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 3217e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) { 3218e705c121SKalle Valo ret = iwl_mvm_rm_sta(mvm, vif, sta); 32191e8f1329SGolan Ben-Ami if (sta->tdls) { 3220e705c121SKalle Valo iwl_mvm_recalc_tdls_state(mvm, vif, false); 32211e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 32221e8f1329SGolan Ben-Ami NL80211_TDLS_DISABLE_LINK); 32231e8f1329SGolan Ben-Ami } 322434a880d8SLiad Kaufman 322544135b7cSIlan Peer if (unlikely(ret && 322644135b7cSIlan Peer test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 322744135b7cSIlan Peer &mvm->status))) 322844135b7cSIlan Peer ret = 0; 3229e705c121SKalle Valo } else { 3230e705c121SKalle Valo ret = -EIO; 3231e705c121SKalle Valo } 3232e705c121SKalle Valo out_unlock: 3233e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3234e705c121SKalle Valo 3235e705c121SKalle Valo if (sta->tdls && ret == 0) { 3236e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 3237e705c121SKalle Valo new_state == IEEE80211_STA_NONE) 3238e705c121SKalle Valo ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); 3239e705c121SKalle Valo else if (old_state == IEEE80211_STA_NONE && 3240e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) 3241e705c121SKalle Valo ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); 3242e705c121SKalle Valo } 3243e705c121SKalle Valo 3244e705c121SKalle Valo return ret; 3245e705c121SKalle Valo } 3246e705c121SKalle Valo 3247e705c121SKalle Valo static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 3248e705c121SKalle Valo { 3249e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3250e705c121SKalle Valo 3251e705c121SKalle Valo mvm->rts_threshold = value; 3252e705c121SKalle Valo 3253e705c121SKalle Valo return 0; 3254e705c121SKalle Valo } 3255e705c121SKalle Valo 3256e705c121SKalle Valo static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, 3257e705c121SKalle Valo struct ieee80211_vif *vif, 3258e705c121SKalle Valo struct ieee80211_sta *sta, u32 changed) 3259e705c121SKalle Valo { 3260e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3261dcfe3b10SJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3262dcfe3b10SJohannes Berg 3263dcfe3b10SJohannes Berg if (changed & (IEEE80211_RC_BW_CHANGED | 3264dcfe3b10SJohannes Berg IEEE80211_RC_SUPP_RATES_CHANGED | 3265dcfe3b10SJohannes Berg IEEE80211_RC_NSS_CHANGED)) 3266dcfe3b10SJohannes Berg iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 3267dcfe3b10SJohannes Berg true); 3268e705c121SKalle Valo 3269e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && 3270e705c121SKalle Valo changed & IEEE80211_RC_NSS_CHANGED) 3271e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 3272e705c121SKalle Valo } 3273e705c121SKalle Valo 3274e705c121SKalle Valo static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 3275e705c121SKalle Valo struct ieee80211_vif *vif, u16 ac, 3276e705c121SKalle Valo const struct ieee80211_tx_queue_params *params) 3277e705c121SKalle Valo { 3278e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3279e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3280e705c121SKalle Valo 3281e705c121SKalle Valo mvmvif->queue_params[ac] = *params; 3282e705c121SKalle Valo 3283e705c121SKalle Valo /* 3284e705c121SKalle Valo * No need to update right away, we'll get BSS_CHANGED_QOS 3285e705c121SKalle Valo * The exception is P2P_DEVICE interface which needs immediate update. 3286e705c121SKalle Valo */ 3287e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 3288e705c121SKalle Valo int ret; 3289e705c121SKalle Valo 3290e705c121SKalle Valo mutex_lock(&mvm->mutex); 3291e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 3292e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3293e705c121SKalle Valo return ret; 3294e705c121SKalle Valo } 3295e705c121SKalle Valo return 0; 3296e705c121SKalle Valo } 3297e705c121SKalle Valo 3298e705c121SKalle Valo static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 3299d4e36e55SIlan Peer struct ieee80211_vif *vif, 3300d4e36e55SIlan Peer u16 req_duration) 3301e705c121SKalle Valo { 3302e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 33037c70fee5SSara Sharon u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 33047c70fee5SSara Sharon u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 3305e705c121SKalle Valo 3306e705c121SKalle Valo /* 3307e705c121SKalle Valo * iwl_mvm_protect_session() reads directly from the device 3308e705c121SKalle Valo * (the system time), so make sure it is available. 3309e705c121SKalle Valo */ 3310e705c121SKalle Valo if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX)) 3311e705c121SKalle Valo return; 3312e705c121SKalle Valo 3313d4e36e55SIlan Peer if (req_duration > duration) 3314d4e36e55SIlan Peer duration = req_duration; 3315d4e36e55SIlan Peer 3316e705c121SKalle Valo mutex_lock(&mvm->mutex); 3317e705c121SKalle Valo /* Try really hard to protect the session and hear a beacon */ 3318e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false); 3319e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3320e705c121SKalle Valo 3321e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX); 3322e705c121SKalle Valo } 3323e705c121SKalle Valo 3324e705c121SKalle Valo static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 3325e705c121SKalle Valo struct ieee80211_vif *vif, 3326e705c121SKalle Valo struct cfg80211_sched_scan_request *req, 3327e705c121SKalle Valo struct ieee80211_scan_ies *ies) 3328e705c121SKalle Valo { 3329e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3330e705c121SKalle Valo 3331e705c121SKalle Valo int ret; 3332e705c121SKalle Valo 3333e705c121SKalle Valo mutex_lock(&mvm->mutex); 3334e705c121SKalle Valo 3335e705c121SKalle Valo if (!vif->bss_conf.idle) { 3336e705c121SKalle Valo ret = -EBUSY; 3337e705c121SKalle Valo goto out; 3338e705c121SKalle Valo } 3339e705c121SKalle Valo 3340e705c121SKalle Valo ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 3341e705c121SKalle Valo 3342e705c121SKalle Valo out: 3343e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3344e705c121SKalle Valo return ret; 3345e705c121SKalle Valo } 3346e705c121SKalle Valo 3347e705c121SKalle Valo static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 3348e705c121SKalle Valo struct ieee80211_vif *vif) 3349e705c121SKalle Valo { 3350e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3351e705c121SKalle Valo int ret; 3352e705c121SKalle Valo 3353e705c121SKalle Valo mutex_lock(&mvm->mutex); 3354e705c121SKalle Valo 3355e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 3356e705c121SKalle Valo * us to stop a sched_scan when it's already stopped. This 3357e705c121SKalle Valo * can happen, for instance, if we stopped the scan ourselves, 3358e705c121SKalle Valo * called ieee80211_sched_scan_stopped() and the userspace called 3359e705c121SKalle Valo * stop sched scan scan before ieee80211_sched_scan_stopped_work() 3360e705c121SKalle Valo * could run. To handle this, simply return if the scan is 3361e705c121SKalle Valo * not running. 3362e705c121SKalle Valo */ 3363e705c121SKalle Valo if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 3364e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3365e705c121SKalle Valo return 0; 3366e705c121SKalle Valo } 3367e705c121SKalle Valo 3368e705c121SKalle Valo ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 3369e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3370e705c121SKalle Valo iwl_mvm_wait_for_async_handlers(mvm); 3371e705c121SKalle Valo 3372e705c121SKalle Valo return ret; 3373e705c121SKalle Valo } 3374e705c121SKalle Valo 3375e705c121SKalle Valo static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 3376e705c121SKalle Valo enum set_key_cmd cmd, 3377e705c121SKalle Valo struct ieee80211_vif *vif, 3378e705c121SKalle Valo struct ieee80211_sta *sta, 3379e705c121SKalle Valo struct ieee80211_key_conf *key) 3380e705c121SKalle Valo { 3381e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3382f5e28eacSJohannes Berg struct iwl_mvm_sta *mvmsta; 3383f5e28eacSJohannes Berg struct iwl_mvm_key_pn *ptk_pn; 3384f5e28eacSJohannes Berg int keyidx = key->keyidx; 3385e705c121SKalle Valo int ret; 33864615fd15SEmmanuel Grumbach u8 key_offset; 3387e705c121SKalle Valo 33883b37f4c9SJohannes Berg if (iwlwifi_mod_params.swcrypto) { 3389e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n"); 3390e705c121SKalle Valo return -EOPNOTSUPP; 3391e705c121SKalle Valo } 3392e705c121SKalle Valo 3393e705c121SKalle Valo switch (key->cipher) { 3394e705c121SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 33957f768ad5SDavid Spinadel if (!mvm->trans->cfg->gen2) { 3396e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 33971ad4f639SEliad Peller key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 33987f768ad5SDavid Spinadel } else if (vif->type == NL80211_IFTYPE_STATION) { 33997f768ad5SDavid Spinadel key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; 34007f768ad5SDavid Spinadel } else { 34017f768ad5SDavid Spinadel IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); 34027f768ad5SDavid Spinadel return -EOPNOTSUPP; 34037f768ad5SDavid Spinadel } 3404e705c121SKalle Valo break; 3405e705c121SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 34062a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP: 34072a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP_256: 340885aeb58cSDavid Spinadel if (!iwl_mvm_has_new_tx_api(mvm)) 3409e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 3410e705c121SKalle Valo break; 3411e705c121SKalle Valo case WLAN_CIPHER_SUITE_AES_CMAC: 34128e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_128: 34138e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_256: 3414e705c121SKalle Valo WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 3415e705c121SKalle Valo break; 3416e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 3417e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 3418475c6bdeSJohannes Berg if (vif->type == NL80211_IFTYPE_STATION) 3419e705c121SKalle Valo break; 3420475c6bdeSJohannes Berg if (iwl_mvm_has_new_tx_api(mvm)) 3421475c6bdeSJohannes Berg return -EOPNOTSUPP; 3422475c6bdeSJohannes Berg /* support HW crypto on TX */ 3423475c6bdeSJohannes Berg return 0; 3424e705c121SKalle Valo default: 3425e705c121SKalle Valo /* currently FW supports only one optional cipher scheme */ 3426e705c121SKalle Valo if (hw->n_cipher_schemes && 3427e705c121SKalle Valo hw->cipher_schemes->cipher == key->cipher) 3428e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 3429e705c121SKalle Valo else 3430e705c121SKalle Valo return -EOPNOTSUPP; 3431e705c121SKalle Valo } 3432e705c121SKalle Valo 3433e705c121SKalle Valo mutex_lock(&mvm->mutex); 3434e705c121SKalle Valo 3435e705c121SKalle Valo switch (cmd) { 3436e705c121SKalle Valo case SET_KEY: 3437e705c121SKalle Valo if ((vif->type == NL80211_IFTYPE_ADHOC || 3438e705c121SKalle Valo vif->type == NL80211_IFTYPE_AP) && !sta) { 3439e705c121SKalle Valo /* 3440e705c121SKalle Valo * GTK on AP interface is a TX-only key, return 0; 3441e705c121SKalle Valo * on IBSS they're per-station and because we're lazy 3442e705c121SKalle Valo * we don't support them for RX, so do the same. 34438e160ab8SAyala Beker * CMAC/GMAC in AP/IBSS modes must be done in software. 3444e705c121SKalle Valo */ 34458e160ab8SAyala Beker if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 34468e160ab8SAyala Beker key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 34478e160ab8SAyala Beker key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256) 344881279c49SJohannes Berg ret = -EOPNOTSUPP; 344981279c49SJohannes Berg else 3450e705c121SKalle Valo ret = 0; 345185aeb58cSDavid Spinadel 345285aeb58cSDavid Spinadel if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 345385aeb58cSDavid Spinadel key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 345485aeb58cSDavid Spinadel !iwl_mvm_has_new_tx_api(mvm)) { 3455e705c121SKalle Valo key->hw_key_idx = STA_KEY_IDX_INVALID; 3456e705c121SKalle Valo break; 3457e705c121SKalle Valo } 345885aeb58cSDavid Spinadel } 3459e705c121SKalle Valo 3460e705c121SKalle Valo /* During FW restart, in order to restore the state as it was, 3461e705c121SKalle Valo * don't try to reprogram keys we previously failed for. 3462e705c121SKalle Valo */ 3463e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 3464e705c121SKalle Valo key->hw_key_idx == STA_KEY_IDX_INVALID) { 3465e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, 3466e705c121SKalle Valo "skip invalid idx key programming during restart\n"); 3467e705c121SKalle Valo ret = 0; 3468e705c121SKalle Valo break; 3469e705c121SKalle Valo } 3470e705c121SKalle Valo 3471f5e28eacSJohannes Berg if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 3472f5e28eacSJohannes Berg sta && iwl_mvm_has_new_rx_api(mvm) && 3473f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 3474f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 34752a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 34762a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 3477f5e28eacSJohannes Berg struct ieee80211_key_seq seq; 3478f5e28eacSJohannes Berg int tid, q; 3479f5e28eacSJohannes Berg 3480f5e28eacSJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 3481f5e28eacSJohannes Berg WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 3482acafe7e3SKees Cook ptk_pn = kzalloc(struct_size(ptk_pn, q, 3483acafe7e3SKees Cook mvm->trans->num_rx_queues), 3484f5e28eacSJohannes Berg GFP_KERNEL); 3485f5e28eacSJohannes Berg if (!ptk_pn) { 3486f5e28eacSJohannes Berg ret = -ENOMEM; 3487f5e28eacSJohannes Berg break; 3488f5e28eacSJohannes Berg } 3489f5e28eacSJohannes Berg 3490f5e28eacSJohannes Berg for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 3491f5e28eacSJohannes Berg ieee80211_get_key_rx_seq(key, tid, &seq); 3492f5e28eacSJohannes Berg for (q = 0; q < mvm->trans->num_rx_queues; q++) 3493f5e28eacSJohannes Berg memcpy(ptk_pn->q[q].pn[tid], 3494f5e28eacSJohannes Berg seq.ccmp.pn, 3495f5e28eacSJohannes Berg IEEE80211_CCMP_PN_LEN); 3496f5e28eacSJohannes Berg } 3497f5e28eacSJohannes Berg 3498f5e28eacSJohannes Berg rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 3499f5e28eacSJohannes Berg } 3500f5e28eacSJohannes Berg 35014615fd15SEmmanuel Grumbach /* in HW restart reuse the index, otherwise request a new one */ 35024615fd15SEmmanuel Grumbach if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 35034615fd15SEmmanuel Grumbach key_offset = key->hw_key_idx; 35044615fd15SEmmanuel Grumbach else 35054615fd15SEmmanuel Grumbach key_offset = STA_KEY_IDX_INVALID; 35064615fd15SEmmanuel Grumbach 3507e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n"); 35084615fd15SEmmanuel Grumbach ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 3509e705c121SKalle Valo if (ret) { 3510e705c121SKalle Valo IWL_WARN(mvm, "set key failed\n"); 3511475c6bdeSJohannes Berg key->hw_key_idx = STA_KEY_IDX_INVALID; 3512e705c121SKalle Valo /* 3513e705c121SKalle Valo * can't add key for RX, but we don't need it 3514475c6bdeSJohannes Berg * in the device for TX so still return 0, 3515475c6bdeSJohannes Berg * unless we have new TX API where we cannot 3516475c6bdeSJohannes Berg * put key material into the TX_CMD 3517e705c121SKalle Valo */ 3518475c6bdeSJohannes Berg if (iwl_mvm_has_new_tx_api(mvm)) 3519475c6bdeSJohannes Berg ret = -EOPNOTSUPP; 3520475c6bdeSJohannes Berg else 3521e705c121SKalle Valo ret = 0; 3522e705c121SKalle Valo } 3523e705c121SKalle Valo 3524e705c121SKalle Valo break; 3525e705c121SKalle Valo case DISABLE_KEY: 3526e705c121SKalle Valo if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 3527e705c121SKalle Valo ret = 0; 3528e705c121SKalle Valo break; 3529e705c121SKalle Valo } 3530e705c121SKalle Valo 3531f5e28eacSJohannes Berg if (sta && iwl_mvm_has_new_rx_api(mvm) && 3532f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 3533f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 35342a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 35352a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 3536f5e28eacSJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 3537f5e28eacSJohannes Berg ptk_pn = rcu_dereference_protected( 3538f5e28eacSJohannes Berg mvmsta->ptk_pn[keyidx], 3539f5e28eacSJohannes Berg lockdep_is_held(&mvm->mutex)); 3540f5e28eacSJohannes Berg RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 3541f5e28eacSJohannes Berg if (ptk_pn) 3542f5e28eacSJohannes Berg kfree_rcu(ptk_pn, rcu_head); 3543f5e28eacSJohannes Berg } 3544f5e28eacSJohannes Berg 3545e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 3546e705c121SKalle Valo ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 3547e705c121SKalle Valo break; 3548e705c121SKalle Valo default: 3549e705c121SKalle Valo ret = -EINVAL; 3550e705c121SKalle Valo } 3551e705c121SKalle Valo 3552e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3553e705c121SKalle Valo return ret; 3554e705c121SKalle Valo } 3555e705c121SKalle Valo 3556e705c121SKalle Valo static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 3557e705c121SKalle Valo struct ieee80211_vif *vif, 3558e705c121SKalle Valo struct ieee80211_key_conf *keyconf, 3559e705c121SKalle Valo struct ieee80211_sta *sta, 3560e705c121SKalle Valo u32 iv32, u16 *phase1key) 3561e705c121SKalle Valo { 3562e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3563e705c121SKalle Valo 3564e705c121SKalle Valo if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 3565e705c121SKalle Valo return; 3566e705c121SKalle Valo 3567e705c121SKalle Valo iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 3568e705c121SKalle Valo } 3569e705c121SKalle Valo 3570e705c121SKalle Valo 3571e705c121SKalle Valo static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 3572e705c121SKalle Valo struct iwl_rx_packet *pkt, void *data) 3573e705c121SKalle Valo { 3574e705c121SKalle Valo struct iwl_mvm *mvm = 3575e705c121SKalle Valo container_of(notif_wait, struct iwl_mvm, notif_wait); 3576e705c121SKalle Valo struct iwl_hs20_roc_res *resp; 3577e705c121SKalle Valo int resp_len = iwl_rx_packet_payload_len(pkt); 3578e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = data; 3579e705c121SKalle Valo 3580e705c121SKalle Valo if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 3581e705c121SKalle Valo return true; 3582e705c121SKalle Valo 3583e705c121SKalle Valo if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 3584e705c121SKalle Valo IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 3585e705c121SKalle Valo return true; 3586e705c121SKalle Valo } 3587e705c121SKalle Valo 3588e705c121SKalle Valo resp = (void *)pkt->data; 3589e705c121SKalle Valo 3590e705c121SKalle Valo IWL_DEBUG_TE(mvm, 3591b71a9c35SColin Ian King "Aux ROC: Received response from ucode: status=%d uid=%d\n", 3592e705c121SKalle Valo resp->status, resp->event_unique_id); 3593e705c121SKalle Valo 3594e705c121SKalle Valo te_data->uid = le32_to_cpu(resp->event_unique_id); 3595e705c121SKalle Valo IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 3596e705c121SKalle Valo te_data->uid); 3597e705c121SKalle Valo 3598e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3599e705c121SKalle Valo list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 3600e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3601e705c121SKalle Valo 3602e705c121SKalle Valo return true; 3603e705c121SKalle Valo } 3604e705c121SKalle Valo 3605dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100) 3606dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200) 3607dc28e12fSMatti Gottlieb #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600) 3608dc28e12fSMatti Gottlieb #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20) 3609dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10) 3610e705c121SKalle Valo static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 3611e705c121SKalle Valo struct ieee80211_channel *channel, 3612e705c121SKalle Valo struct ieee80211_vif *vif, 3613e705c121SKalle Valo int duration) 3614e705c121SKalle Valo { 3615e705c121SKalle Valo int res, time_reg = DEVICE_SYSTEM_TIME_REG; 3616e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3617e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 3618e705c121SKalle Valo static const u16 time_event_response[] = { HOT_SPOT_CMD }; 3619e705c121SKalle Valo struct iwl_notification_wait wait_time_event; 3620dc28e12fSMatti Gottlieb u32 dtim_interval = vif->bss_conf.dtim_period * 3621dc28e12fSMatti Gottlieb vif->bss_conf.beacon_int; 3622dc28e12fSMatti Gottlieb u32 req_dur, delay; 3623e705c121SKalle Valo struct iwl_hs20_roc_req aux_roc_req = { 3624e705c121SKalle Valo .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 3625e705c121SKalle Valo .id_and_color = 3626e705c121SKalle Valo cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 3627e705c121SKalle Valo .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 3628e705c121SKalle Valo }; 362957e861d9SDavid Spinadel struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm, 363057e861d9SDavid Spinadel &aux_roc_req.channel_info); 363157e861d9SDavid Spinadel u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm); 363257e861d9SDavid Spinadel 363357e861d9SDavid Spinadel /* Set the channel info data */ 363457e861d9SDavid Spinadel iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, 363557e861d9SDavid Spinadel (channel->band == NL80211_BAND_2GHZ) ? 363657e861d9SDavid Spinadel PHY_BAND_24 : PHY_BAND_5, 363757e861d9SDavid Spinadel PHY_VHT_CHANNEL_MODE20, 363857e861d9SDavid Spinadel 0); 363957e861d9SDavid Spinadel 364057e861d9SDavid Spinadel /* Set the time and duration */ 364157e861d9SDavid Spinadel tail->apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)); 3642e705c121SKalle Valo 3643dc28e12fSMatti Gottlieb delay = AUX_ROC_MIN_DELAY; 3644dc28e12fSMatti Gottlieb req_dur = MSEC_TO_TU(duration); 3645dc28e12fSMatti Gottlieb 3646dc28e12fSMatti Gottlieb /* 3647dc28e12fSMatti Gottlieb * If we are associated we want the delay time to be at least one 3648dc28e12fSMatti Gottlieb * dtim interval so that the FW can wait until after the DTIM and 3649dc28e12fSMatti Gottlieb * then start the time event, this will potentially allow us to 3650dc28e12fSMatti Gottlieb * remain off-channel for the max duration. 3651dc28e12fSMatti Gottlieb * Since we want to use almost a whole dtim interval we would also 3652dc28e12fSMatti Gottlieb * like the delay to be for 2-3 dtim intervals, in case there are 3653dc28e12fSMatti Gottlieb * other time events with higher priority. 3654dc28e12fSMatti Gottlieb */ 3655dc28e12fSMatti Gottlieb if (vif->bss_conf.assoc) { 3656dc28e12fSMatti Gottlieb delay = min_t(u32, dtim_interval * 3, AUX_ROC_MAX_DELAY); 3657dc28e12fSMatti Gottlieb /* We cannot remain off-channel longer than the DTIM interval */ 3658dc28e12fSMatti Gottlieb if (dtim_interval <= req_dur) { 3659dc28e12fSMatti Gottlieb req_dur = dtim_interval - AUX_ROC_SAFETY_BUFFER; 3660dc28e12fSMatti Gottlieb if (req_dur <= AUX_ROC_MIN_DURATION) 3661dc28e12fSMatti Gottlieb req_dur = dtim_interval - 3662dc28e12fSMatti Gottlieb AUX_ROC_MIN_SAFETY_BUFFER; 3663dc28e12fSMatti Gottlieb } 3664dc28e12fSMatti Gottlieb } 3665dc28e12fSMatti Gottlieb 366657e861d9SDavid Spinadel tail->duration = cpu_to_le32(req_dur); 366757e861d9SDavid Spinadel tail->apply_time_max_delay = cpu_to_le32(delay); 3668dc28e12fSMatti Gottlieb 3669dc28e12fSMatti Gottlieb IWL_DEBUG_TE(mvm, 3670dc28e12fSMatti Gottlieb "ROC: Requesting to remain on channel %u for %ums (requested = %ums, max_delay = %ums, dtim_interval = %ums)\n", 3671dc28e12fSMatti Gottlieb channel->hw_value, req_dur, duration, delay, 3672dc28e12fSMatti Gottlieb dtim_interval); 3673e705c121SKalle Valo /* Set the node address */ 367457e861d9SDavid Spinadel memcpy(tail->node_addr, vif->addr, ETH_ALEN); 3675e705c121SKalle Valo 3676e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3677e705c121SKalle Valo 3678e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3679e705c121SKalle Valo 3680e705c121SKalle Valo if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 3681e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3682e705c121SKalle Valo return -EIO; 3683e705c121SKalle Valo } 3684e705c121SKalle Valo 3685e705c121SKalle Valo te_data->vif = vif; 3686e705c121SKalle Valo te_data->duration = duration; 3687e705c121SKalle Valo te_data->id = HOT_SPOT_CMD; 3688e705c121SKalle Valo 3689e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3690e705c121SKalle Valo 3691e705c121SKalle Valo /* 3692e705c121SKalle Valo * Use a notification wait, which really just processes the 3693e705c121SKalle Valo * command response and doesn't wait for anything, in order 3694e705c121SKalle Valo * to be able to process the response and get the UID inside 3695e705c121SKalle Valo * the RX path. Using CMD_WANT_SKB doesn't work because it 3696e705c121SKalle Valo * stores the buffer and then wakes up this thread, by which 3697e705c121SKalle Valo * time another notification (that the time event started) 3698e705c121SKalle Valo * might already be processed unsuccessfully. 3699e705c121SKalle Valo */ 3700e705c121SKalle Valo iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 3701e705c121SKalle Valo time_event_response, 3702e705c121SKalle Valo ARRAY_SIZE(time_event_response), 3703e705c121SKalle Valo iwl_mvm_rx_aux_roc, te_data); 3704e705c121SKalle Valo 370557e861d9SDavid Spinadel res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len, 3706e705c121SKalle Valo &aux_roc_req); 3707e705c121SKalle Valo 3708e705c121SKalle Valo if (res) { 3709e705c121SKalle Valo IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 3710e705c121SKalle Valo iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 3711e705c121SKalle Valo goto out_clear_te; 3712e705c121SKalle Valo } 3713e705c121SKalle Valo 3714e705c121SKalle Valo /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 3715e705c121SKalle Valo res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 3716e705c121SKalle Valo /* should never fail */ 3717e705c121SKalle Valo WARN_ON_ONCE(res); 3718e705c121SKalle Valo 3719e705c121SKalle Valo if (res) { 3720e705c121SKalle Valo out_clear_te: 3721e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3722e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, te_data); 3723e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3724e705c121SKalle Valo } 3725e705c121SKalle Valo 3726e705c121SKalle Valo return res; 3727e705c121SKalle Valo } 3728e705c121SKalle Valo 3729e705c121SKalle Valo static int iwl_mvm_roc(struct ieee80211_hw *hw, 3730e705c121SKalle Valo struct ieee80211_vif *vif, 3731e705c121SKalle Valo struct ieee80211_channel *channel, 3732e705c121SKalle Valo int duration, 3733e705c121SKalle Valo enum ieee80211_roc_type type) 3734e705c121SKalle Valo { 3735e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3736e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3737e705c121SKalle Valo struct cfg80211_chan_def chandef; 3738e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 3739e705c121SKalle Valo int ret, i; 3740e705c121SKalle Valo 3741e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 3742e705c121SKalle Valo duration, type); 3743e705c121SKalle Valo 37449834781cSJohannes Berg /* 37459834781cSJohannes Berg * Flush the done work, just in case it's still pending, so that 37469834781cSJohannes Berg * the work it does can complete and we can accept new frames. 37479834781cSJohannes Berg */ 3748e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 3749e705c121SKalle Valo 3750e705c121SKalle Valo mutex_lock(&mvm->mutex); 3751e705c121SKalle Valo 3752e705c121SKalle Valo switch (vif->type) { 3753e705c121SKalle Valo case NL80211_IFTYPE_STATION: 3754e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 3755e705c121SKalle Valo IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 3756e705c121SKalle Valo /* Use aux roc framework (HS20) */ 3757e705c121SKalle Valo ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, 3758e705c121SKalle Valo vif, duration); 3759e705c121SKalle Valo goto out_unlock; 3760e705c121SKalle Valo } 3761e705c121SKalle Valo IWL_ERR(mvm, "hotspot not supported\n"); 3762e705c121SKalle Valo ret = -EINVAL; 3763e705c121SKalle Valo goto out_unlock; 3764e705c121SKalle Valo case NL80211_IFTYPE_P2P_DEVICE: 3765e705c121SKalle Valo /* handle below */ 3766e705c121SKalle Valo break; 3767e705c121SKalle Valo default: 3768e705c121SKalle Valo IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type); 3769e705c121SKalle Valo ret = -EINVAL; 3770e705c121SKalle Valo goto out_unlock; 3771e705c121SKalle Valo } 3772e705c121SKalle Valo 3773e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) { 3774e705c121SKalle Valo phy_ctxt = &mvm->phy_ctxts[i]; 3775e705c121SKalle Valo if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt) 3776e705c121SKalle Valo continue; 3777e705c121SKalle Valo 3778e705c121SKalle Valo if (phy_ctxt->ref && channel == phy_ctxt->channel) { 3779e705c121SKalle Valo /* 3780e705c121SKalle Valo * Unbind the P2P_DEVICE from the current PHY context, 3781e705c121SKalle Valo * and if the PHY context is not used remove it. 3782e705c121SKalle Valo */ 3783e705c121SKalle Valo ret = iwl_mvm_binding_remove_vif(mvm, vif); 3784e705c121SKalle Valo if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 3785e705c121SKalle Valo goto out_unlock; 3786e705c121SKalle Valo 3787e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 3788e705c121SKalle Valo 3789e705c121SKalle Valo /* Bind the P2P_DEVICE to the current PHY Context */ 3790e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 3791e705c121SKalle Valo 3792e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 3793e705c121SKalle Valo if (WARN(ret, "Failed binding P2P_DEVICE\n")) 3794e705c121SKalle Valo goto out_unlock; 3795e705c121SKalle Valo 3796e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 3797e705c121SKalle Valo goto schedule_time_event; 3798e705c121SKalle Valo } 3799e705c121SKalle Valo } 3800e705c121SKalle Valo 3801e705c121SKalle Valo /* Need to update the PHY context only if the ROC channel changed */ 3802e705c121SKalle Valo if (channel == mvmvif->phy_ctxt->channel) 3803e705c121SKalle Valo goto schedule_time_event; 3804e705c121SKalle Valo 3805e705c121SKalle Valo cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 3806e705c121SKalle Valo 3807e705c121SKalle Valo /* 3808e705c121SKalle Valo * Change the PHY context configuration as it is currently referenced 3809e705c121SKalle Valo * only by the P2P Device MAC 3810e705c121SKalle Valo */ 3811e705c121SKalle Valo if (mvmvif->phy_ctxt->ref == 1) { 3812e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt, 3813e705c121SKalle Valo &chandef, 1, 1); 3814e705c121SKalle Valo if (ret) 3815e705c121SKalle Valo goto out_unlock; 3816e705c121SKalle Valo } else { 3817e705c121SKalle Valo /* 3818e705c121SKalle Valo * The PHY context is shared with other MACs. Need to remove the 3819e705c121SKalle Valo * P2P Device from the binding, allocate an new PHY context and 3820e705c121SKalle Valo * create a new binding 3821e705c121SKalle Valo */ 3822e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 3823e705c121SKalle Valo if (!phy_ctxt) { 3824e705c121SKalle Valo ret = -ENOSPC; 3825e705c121SKalle Valo goto out_unlock; 3826e705c121SKalle Valo } 3827e705c121SKalle Valo 3828e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef, 3829e705c121SKalle Valo 1, 1); 3830e705c121SKalle Valo if (ret) { 3831e705c121SKalle Valo IWL_ERR(mvm, "Failed to change PHY context\n"); 3832e705c121SKalle Valo goto out_unlock; 3833e705c121SKalle Valo } 3834e705c121SKalle Valo 3835e705c121SKalle Valo /* Unbind the P2P_DEVICE from the current PHY context */ 3836e705c121SKalle Valo ret = iwl_mvm_binding_remove_vif(mvm, vif); 3837e705c121SKalle Valo if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 3838e705c121SKalle Valo goto out_unlock; 3839e705c121SKalle Valo 3840e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 3841e705c121SKalle Valo 3842e705c121SKalle Valo /* Bind the P2P_DEVICE to the new allocated PHY context */ 3843e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 3844e705c121SKalle Valo 3845e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 3846e705c121SKalle Valo if (WARN(ret, "Failed binding P2P_DEVICE\n")) 3847e705c121SKalle Valo goto out_unlock; 3848e705c121SKalle Valo 3849e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 3850e705c121SKalle Valo } 3851e705c121SKalle Valo 3852e705c121SKalle Valo schedule_time_event: 3853e705c121SKalle Valo /* Schedule the time events */ 3854e705c121SKalle Valo ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 3855e705c121SKalle Valo 3856e705c121SKalle Valo out_unlock: 3857e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3858e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 3859e705c121SKalle Valo return ret; 3860e705c121SKalle Valo } 3861e705c121SKalle Valo 3862e705c121SKalle Valo static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw) 3863e705c121SKalle Valo { 3864e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3865e705c121SKalle Valo 3866e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter\n"); 3867e705c121SKalle Valo 3868e705c121SKalle Valo mutex_lock(&mvm->mutex); 3869e705c121SKalle Valo iwl_mvm_stop_roc(mvm); 3870e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3871e705c121SKalle Valo 3872e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 3873e705c121SKalle Valo return 0; 3874e705c121SKalle Valo } 3875e705c121SKalle Valo 3876b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data { 3877b73f9a4aSJohannes Berg bool responder; 3878b73f9a4aSJohannes Berg struct ieee80211_chanctx_conf *ctx; 3879b73f9a4aSJohannes Berg }; 3880b73f9a4aSJohannes Berg 3881b73f9a4aSJohannes Berg static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac, 3882b73f9a4aSJohannes Berg struct ieee80211_vif *vif) 3883b73f9a4aSJohannes Berg { 3884b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data *data = _data; 3885b73f9a4aSJohannes Berg 3886b73f9a4aSJohannes Berg if (rcu_access_pointer(vif->chanctx_conf) == data->ctx && 3887b73f9a4aSJohannes Berg vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params) 3888b73f9a4aSJohannes Berg data->responder = true; 3889b73f9a4aSJohannes Berg } 3890b73f9a4aSJohannes Berg 3891b73f9a4aSJohannes Berg static bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm, 3892b73f9a4aSJohannes Berg struct ieee80211_chanctx_conf *ctx) 3893b73f9a4aSJohannes Berg { 3894b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data data = { 3895b73f9a4aSJohannes Berg .responder = false, 3896b73f9a4aSJohannes Berg .ctx = ctx, 3897b73f9a4aSJohannes Berg }; 3898b73f9a4aSJohannes Berg 3899b73f9a4aSJohannes Berg ieee80211_iterate_active_interfaces_atomic(mvm->hw, 3900b73f9a4aSJohannes Berg IEEE80211_IFACE_ITER_NORMAL, 3901b73f9a4aSJohannes Berg iwl_mvm_ftm_responder_chanctx_iter, 3902b73f9a4aSJohannes Berg &data); 3903b73f9a4aSJohannes Berg return data.responder; 3904b73f9a4aSJohannes Berg } 3905b73f9a4aSJohannes Berg 3906e705c121SKalle Valo static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 3907e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3908e705c121SKalle Valo { 3909e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 3910e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 3911b73f9a4aSJohannes Berg bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); 3912b73f9a4aSJohannes Berg struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; 3913e705c121SKalle Valo int ret; 3914e705c121SKalle Valo 3915e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3916e705c121SKalle Valo 3917e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 3918e705c121SKalle Valo 3919e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 3920e705c121SKalle Valo if (!phy_ctxt) { 3921e705c121SKalle Valo ret = -ENOSPC; 3922e705c121SKalle Valo goto out; 3923e705c121SKalle Valo } 3924e705c121SKalle Valo 3925b73f9a4aSJohannes Berg ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, 3926e705c121SKalle Valo ctx->rx_chains_static, 3927e705c121SKalle Valo ctx->rx_chains_dynamic); 3928e705c121SKalle Valo if (ret) { 3929e705c121SKalle Valo IWL_ERR(mvm, "Failed to add PHY context\n"); 3930e705c121SKalle Valo goto out; 3931e705c121SKalle Valo } 3932e705c121SKalle Valo 3933e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt); 3934e705c121SKalle Valo *phy_ctxt_id = phy_ctxt->id; 3935e705c121SKalle Valo out: 3936e705c121SKalle Valo return ret; 3937e705c121SKalle Valo } 3938e705c121SKalle Valo 3939e705c121SKalle Valo static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 3940e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3941e705c121SKalle Valo { 3942e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3943e705c121SKalle Valo int ret; 3944e705c121SKalle Valo 3945e705c121SKalle Valo mutex_lock(&mvm->mutex); 3946e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, ctx); 3947e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3948e705c121SKalle Valo 3949e705c121SKalle Valo return ret; 3950e705c121SKalle Valo } 3951e705c121SKalle Valo 3952e705c121SKalle Valo static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 3953e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3954e705c121SKalle Valo { 3955e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 3956e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 3957e705c121SKalle Valo 3958e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3959e705c121SKalle Valo 3960e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 3961e705c121SKalle Valo } 3962e705c121SKalle Valo 3963e705c121SKalle Valo static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 3964e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3965e705c121SKalle Valo { 3966e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3967e705c121SKalle Valo 3968e705c121SKalle Valo mutex_lock(&mvm->mutex); 3969e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, ctx); 3970e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3971e705c121SKalle Valo } 3972e705c121SKalle Valo 3973e705c121SKalle Valo static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 3974e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 3975e705c121SKalle Valo u32 changed) 3976e705c121SKalle Valo { 3977e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3978e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 3979e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 3980b73f9a4aSJohannes Berg bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); 3981b73f9a4aSJohannes Berg struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; 3982e705c121SKalle Valo 3983e705c121SKalle Valo if (WARN_ONCE((phy_ctxt->ref > 1) && 3984e705c121SKalle Valo (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 3985e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 3986e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RADAR | 3987e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), 3988e705c121SKalle Valo "Cannot change PHY. Ref=%d, changed=0x%X\n", 3989e705c121SKalle Valo phy_ctxt->ref, changed)) 3990e705c121SKalle Valo return; 3991e705c121SKalle Valo 3992e705c121SKalle Valo mutex_lock(&mvm->mutex); 39937a20bcceSEmmanuel Grumbach 39947a20bcceSEmmanuel Grumbach /* we are only changing the min_width, may be a noop */ 39957a20bcceSEmmanuel Grumbach if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) { 3996b73f9a4aSJohannes Berg if (phy_ctxt->width == def->width) 39977a20bcceSEmmanuel Grumbach goto out_unlock; 39987a20bcceSEmmanuel Grumbach 39997a20bcceSEmmanuel Grumbach /* we are just toggling between 20_NOHT and 20 */ 40007a20bcceSEmmanuel Grumbach if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && 4001b73f9a4aSJohannes Berg def->width <= NL80211_CHAN_WIDTH_20) 40027a20bcceSEmmanuel Grumbach goto out_unlock; 40037a20bcceSEmmanuel Grumbach } 40047a20bcceSEmmanuel Grumbach 4005e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 4006b73f9a4aSJohannes Berg iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, 4007e705c121SKalle Valo ctx->rx_chains_static, 4008e705c121SKalle Valo ctx->rx_chains_dynamic); 40097a20bcceSEmmanuel Grumbach 40107a20bcceSEmmanuel Grumbach out_unlock: 4011e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4012e705c121SKalle Valo } 4013e705c121SKalle Valo 4014e705c121SKalle Valo static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 4015e705c121SKalle Valo struct ieee80211_vif *vif, 4016e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 4017e705c121SKalle Valo bool switching_chanctx) 4018e705c121SKalle Valo { 4019e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4020e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4021e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4022e705c121SKalle Valo int ret; 4023e705c121SKalle Valo 4024e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4025e705c121SKalle Valo 4026e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 4027e705c121SKalle Valo 4028e705c121SKalle Valo switch (vif->type) { 4029e705c121SKalle Valo case NL80211_IFTYPE_AP: 4030e705c121SKalle Valo /* only needed if we're switching chanctx (i.e. during CSA) */ 4031e705c121SKalle Valo if (switching_chanctx) { 4032e705c121SKalle Valo mvmvif->ap_ibss_active = true; 4033e705c121SKalle Valo break; 4034e705c121SKalle Valo } 4035244726ecSLuca Coelho /* fall through */ 4036e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 4037e705c121SKalle Valo /* 4038e705c121SKalle Valo * The AP binding flow is handled as part of the start_ap flow 4039e705c121SKalle Valo * (in bss_info_changed), similarly for IBSS. 4040e705c121SKalle Valo */ 4041e705c121SKalle Valo ret = 0; 4042e705c121SKalle Valo goto out; 4043e705c121SKalle Valo case NL80211_IFTYPE_STATION: 404419125cb0SAndrei Otcheretianski mvmvif->csa_bcn_pending = false; 4045e705c121SKalle Valo break; 4046e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 4047e705c121SKalle Valo /* always disable PS when a monitor interface is active */ 4048e705c121SKalle Valo mvmvif->ps_disabled = true; 4049e705c121SKalle Valo break; 4050e705c121SKalle Valo default: 4051e705c121SKalle Valo ret = -EINVAL; 4052e705c121SKalle Valo goto out; 4053e705c121SKalle Valo } 4054e705c121SKalle Valo 4055e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 4056e705c121SKalle Valo if (ret) 4057e705c121SKalle Valo goto out; 4058e705c121SKalle Valo 4059e705c121SKalle Valo /* 4060e705c121SKalle Valo * Power state must be updated before quotas, 4061e705c121SKalle Valo * otherwise fw will complain. 4062e705c121SKalle Valo */ 4063e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4064e705c121SKalle Valo 4065e705c121SKalle Valo /* Setting the quota at this stage is only required for monitor 4066e705c121SKalle Valo * interfaces. For the other types, the bss_info changed flow 4067e705c121SKalle Valo * will handle quota settings. 4068e705c121SKalle Valo */ 4069e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_MONITOR) { 4070e705c121SKalle Valo mvmvif->monitor_active = true; 4071e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 4072e705c121SKalle Valo if (ret) 4073e705c121SKalle Valo goto out_remove_binding; 40740e39eb03SChaya Rachel Ivgi 40750e39eb03SChaya Rachel Ivgi ret = iwl_mvm_add_snif_sta(mvm, vif); 40760e39eb03SChaya Rachel Ivgi if (ret) 40770e39eb03SChaya Rachel Ivgi goto out_remove_binding; 40780e39eb03SChaya Rachel Ivgi 4079e705c121SKalle Valo } 4080e705c121SKalle Valo 4081e705c121SKalle Valo /* Handle binding during CSA */ 4082e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) { 4083e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 4084e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4085e705c121SKalle Valo } 4086e705c121SKalle Valo 4087e705c121SKalle Valo if (switching_chanctx && vif->type == NL80211_IFTYPE_STATION) { 408874a10252SSara Sharon mvmvif->csa_bcn_pending = true; 408974a10252SSara Sharon 409074a10252SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, 409174a10252SSara Sharon IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 409219125cb0SAndrei Otcheretianski u32 duration = 3 * vif->bss_conf.beacon_int; 4093e705c121SKalle Valo 409474a10252SSara Sharon 4095e705c121SKalle Valo /* iwl_mvm_protect_session() reads directly from the 4096e705c121SKalle Valo * device (the system time), so make sure it is 4097e705c121SKalle Valo * available. 4098e705c121SKalle Valo */ 4099e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_CSA); 4100e705c121SKalle Valo if (ret) 4101e705c121SKalle Valo goto out_remove_binding; 4102e705c121SKalle Valo 4103e705c121SKalle Valo /* Protect the session to make sure we hear the first 4104e705c121SKalle Valo * beacon on the new channel. 4105e705c121SKalle Valo */ 4106e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, duration, duration, 4107e705c121SKalle Valo vif->bss_conf.beacon_int / 2, 4108e705c121SKalle Valo true); 4109e705c121SKalle Valo 4110e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_CSA); 411174a10252SSara Sharon } 4112e705c121SKalle Valo 4113e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 4114e705c121SKalle Valo } 4115e705c121SKalle Valo 4116e705c121SKalle Valo goto out; 4117e705c121SKalle Valo 4118e705c121SKalle Valo out_remove_binding: 4119e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 4120e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4121e705c121SKalle Valo out: 4122e705c121SKalle Valo if (ret) 4123e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 4124e705c121SKalle Valo return ret; 4125e705c121SKalle Valo } 4126e705c121SKalle Valo static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 4127e705c121SKalle Valo struct ieee80211_vif *vif, 4128e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4129e705c121SKalle Valo { 4130e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4131e705c121SKalle Valo int ret; 4132e705c121SKalle Valo 4133e705c121SKalle Valo mutex_lock(&mvm->mutex); 4134e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false); 4135e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4136e705c121SKalle Valo 4137e705c121SKalle Valo return ret; 4138e705c121SKalle Valo } 4139e705c121SKalle Valo 4140e705c121SKalle Valo static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 4141e705c121SKalle Valo struct ieee80211_vif *vif, 4142e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 4143e705c121SKalle Valo bool switching_chanctx) 4144e705c121SKalle Valo { 4145e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4146e705c121SKalle Valo struct ieee80211_vif *disabled_vif = NULL; 4147e705c121SKalle Valo 4148e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4149e705c121SKalle Valo 4150e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data); 4151e705c121SKalle Valo 4152e705c121SKalle Valo switch (vif->type) { 4153e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 4154e705c121SKalle Valo goto out; 4155e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 4156e705c121SKalle Valo mvmvif->monitor_active = false; 4157e705c121SKalle Valo mvmvif->ps_disabled = false; 41580e39eb03SChaya Rachel Ivgi iwl_mvm_rm_snif_sta(mvm, vif); 4159e705c121SKalle Valo break; 4160e705c121SKalle Valo case NL80211_IFTYPE_AP: 4161e705c121SKalle Valo /* This part is triggered only during CSA */ 4162e705c121SKalle Valo if (!switching_chanctx || !mvmvif->ap_ibss_active) 4163e705c121SKalle Valo goto out; 4164e705c121SKalle Valo 4165e705c121SKalle Valo mvmvif->csa_countdown = false; 4166e705c121SKalle Valo 4167e705c121SKalle Valo /* Set CS bit on all the stations */ 4168e705c121SKalle Valo iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 4169e705c121SKalle Valo 4170e705c121SKalle Valo /* Save blocked iface, the timeout is set on the next beacon */ 4171e705c121SKalle Valo rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 4172e705c121SKalle Valo 4173e705c121SKalle Valo mvmvif->ap_ibss_active = false; 4174e705c121SKalle Valo break; 4175e705c121SKalle Valo case NL80211_IFTYPE_STATION: 4176e705c121SKalle Valo if (!switching_chanctx) 4177e705c121SKalle Valo break; 4178e705c121SKalle Valo 4179e705c121SKalle Valo disabled_vif = vif; 4180e705c121SKalle Valo 418174a10252SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, 418274a10252SSara Sharon IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 4183e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 4184e705c121SKalle Valo break; 4185e705c121SKalle Valo default: 4186e705c121SKalle Valo break; 4187e705c121SKalle Valo } 4188e705c121SKalle Valo 4189e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, disabled_vif); 4190e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 4191e705c121SKalle Valo 4192e705c121SKalle Valo out: 4193e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 4194e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4195e705c121SKalle Valo } 4196e705c121SKalle Valo 4197e705c121SKalle Valo static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 4198e705c121SKalle Valo struct ieee80211_vif *vif, 4199e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4200e705c121SKalle Valo { 4201e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4202e705c121SKalle Valo 4203e705c121SKalle Valo mutex_lock(&mvm->mutex); 4204e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false); 4205e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4206e705c121SKalle Valo } 4207e705c121SKalle Valo 4208e705c121SKalle Valo static int 4209e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 4210e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs) 4211e705c121SKalle Valo { 4212e705c121SKalle Valo int ret; 4213e705c121SKalle Valo 4214e705c121SKalle Valo mutex_lock(&mvm->mutex); 4215e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); 4216e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 4217e705c121SKalle Valo 4218e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 4219e705c121SKalle Valo if (ret) { 4220e705c121SKalle Valo IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 4221e705c121SKalle Valo goto out_reassign; 4222e705c121SKalle Valo } 4223e705c121SKalle Valo 4224e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, 4225e705c121SKalle Valo true); 4226e705c121SKalle Valo if (ret) { 4227e705c121SKalle Valo IWL_ERR(mvm, 4228e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 4229e705c121SKalle Valo goto out_remove; 4230e705c121SKalle Valo } 4231e705c121SKalle Valo 4232e705c121SKalle Valo /* we don't support TDLS during DCM - can be caused by channel switch */ 4233e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 4234e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 4235e705c121SKalle Valo 4236e705c121SKalle Valo goto out; 4237e705c121SKalle Valo 4238e705c121SKalle Valo out_remove: 4239e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 4240e705c121SKalle Valo 4241e705c121SKalle Valo out_reassign: 4242e705c121SKalle Valo if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 4243e705c121SKalle Valo IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 4244e705c121SKalle Valo goto out_restart; 4245e705c121SKalle Valo } 4246e705c121SKalle Valo 4247e705c121SKalle Valo if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, 4248e705c121SKalle Valo true)) { 4249e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 4250e705c121SKalle Valo goto out_restart; 4251e705c121SKalle Valo } 4252e705c121SKalle Valo 4253e705c121SKalle Valo goto out; 4254e705c121SKalle Valo 4255e705c121SKalle Valo out_restart: 4256e705c121SKalle Valo /* things keep failing, better restart the hw */ 4257e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 4258e705c121SKalle Valo 4259e705c121SKalle Valo out: 4260e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4261e705c121SKalle Valo 4262e705c121SKalle Valo return ret; 4263e705c121SKalle Valo } 4264e705c121SKalle Valo 4265e705c121SKalle Valo static int 4266e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 4267e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs) 4268e705c121SKalle Valo { 4269e705c121SKalle Valo int ret; 4270e705c121SKalle Valo 4271e705c121SKalle Valo mutex_lock(&mvm->mutex); 4272e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); 4273e705c121SKalle Valo 4274e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, 4275e705c121SKalle Valo true); 4276e705c121SKalle Valo if (ret) { 4277e705c121SKalle Valo IWL_ERR(mvm, 4278e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 4279e705c121SKalle Valo goto out_reassign; 4280e705c121SKalle Valo } 4281e705c121SKalle Valo 4282e705c121SKalle Valo goto out; 4283e705c121SKalle Valo 4284e705c121SKalle Valo out_reassign: 4285e705c121SKalle Valo if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, 4286e705c121SKalle Valo true)) { 4287e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 4288e705c121SKalle Valo goto out_restart; 4289e705c121SKalle Valo } 4290e705c121SKalle Valo 4291e705c121SKalle Valo goto out; 4292e705c121SKalle Valo 4293e705c121SKalle Valo out_restart: 4294e705c121SKalle Valo /* things keep failing, better restart the hw */ 4295e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 4296e705c121SKalle Valo 4297e705c121SKalle Valo out: 4298e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4299e705c121SKalle Valo 4300e705c121SKalle Valo return ret; 4301e705c121SKalle Valo } 4302e705c121SKalle Valo 4303e705c121SKalle Valo static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 4304e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs, 4305e705c121SKalle Valo int n_vifs, 4306e705c121SKalle Valo enum ieee80211_chanctx_switch_mode mode) 4307e705c121SKalle Valo { 4308e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4309e705c121SKalle Valo int ret; 4310e705c121SKalle Valo 4311e705c121SKalle Valo /* we only support a single-vif right now */ 4312e705c121SKalle Valo if (n_vifs > 1) 4313e705c121SKalle Valo return -EOPNOTSUPP; 4314e705c121SKalle Valo 4315e705c121SKalle Valo switch (mode) { 4316e705c121SKalle Valo case CHANCTX_SWMODE_SWAP_CONTEXTS: 4317e705c121SKalle Valo ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs); 4318e705c121SKalle Valo break; 4319e705c121SKalle Valo case CHANCTX_SWMODE_REASSIGN_VIF: 4320e705c121SKalle Valo ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs); 4321e705c121SKalle Valo break; 4322e705c121SKalle Valo default: 4323e705c121SKalle Valo ret = -EOPNOTSUPP; 4324e705c121SKalle Valo break; 4325e705c121SKalle Valo } 4326e705c121SKalle Valo 4327e705c121SKalle Valo return ret; 4328e705c121SKalle Valo } 4329e705c121SKalle Valo 43302f0282dbSJohannes Berg static int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 43312f0282dbSJohannes Berg { 43322f0282dbSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 43332f0282dbSJohannes Berg 43342f0282dbSJohannes Berg return mvm->ibss_manager; 43352f0282dbSJohannes Berg } 43362f0282dbSJohannes Berg 4337e705c121SKalle Valo static int iwl_mvm_set_tim(struct ieee80211_hw *hw, 4338e705c121SKalle Valo struct ieee80211_sta *sta, 4339e705c121SKalle Valo bool set) 4340e705c121SKalle Valo { 4341e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4342e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 4343e705c121SKalle Valo 4344e705c121SKalle Valo if (!mvm_sta || !mvm_sta->vif) { 4345e705c121SKalle Valo IWL_ERR(mvm, "Station is not associated to a vif\n"); 4346e705c121SKalle Valo return -EINVAL; 4347e705c121SKalle Valo } 4348e705c121SKalle Valo 4349e705c121SKalle Valo return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif); 4350e705c121SKalle Valo } 4351e705c121SKalle Valo 4352e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 4353e705c121SKalle Valo static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { 4354e705c121SKalle Valo [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, 4355e705c121SKalle Valo [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, 4356e705c121SKalle Valo [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, 4357e705c121SKalle Valo }; 4358e705c121SKalle Valo 4359e705c121SKalle Valo static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, 4360e705c121SKalle Valo struct ieee80211_vif *vif, 4361e705c121SKalle Valo void *data, int len) 4362e705c121SKalle Valo { 4363e705c121SKalle Valo struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; 4364e705c121SKalle Valo int err; 4365e705c121SKalle Valo u32 noa_duration; 4366e705c121SKalle Valo 4367fceb6435SJohannes Berg err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy, 4368fceb6435SJohannes Berg NULL); 4369e705c121SKalle Valo if (err) 4370e705c121SKalle Valo return err; 4371e705c121SKalle Valo 4372e705c121SKalle Valo if (!tb[IWL_MVM_TM_ATTR_CMD]) 4373e705c121SKalle Valo return -EINVAL; 4374e705c121SKalle Valo 4375e705c121SKalle Valo switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { 4376e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_NOA: 4377e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || 4378e705c121SKalle Valo !vif->bss_conf.enable_beacon || 4379e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) 4380e705c121SKalle Valo return -EINVAL; 4381e705c121SKalle Valo 4382e705c121SKalle Valo noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); 4383e705c121SKalle Valo if (noa_duration >= vif->bss_conf.beacon_int) 4384e705c121SKalle Valo return -EINVAL; 4385e705c121SKalle Valo 4386e705c121SKalle Valo mvm->noa_duration = noa_duration; 4387e705c121SKalle Valo mvm->noa_vif = vif; 4388e705c121SKalle Valo 438922b21041SShaul Triebitz return iwl_mvm_update_quotas(mvm, true, NULL); 4390e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_BEACON_FILTER: 4391e705c121SKalle Valo /* must be associated client vif - ignore authorized */ 4392e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_STATION || 4393e705c121SKalle Valo !vif->bss_conf.assoc || !vif->bss_conf.dtim_period || 4394e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) 4395e705c121SKalle Valo return -EINVAL; 4396e705c121SKalle Valo 4397e705c121SKalle Valo if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) 4398e705c121SKalle Valo return iwl_mvm_enable_beacon_filter(mvm, vif, 0); 4399e705c121SKalle Valo return iwl_mvm_disable_beacon_filter(mvm, vif, 0); 4400e705c121SKalle Valo } 4401e705c121SKalle Valo 4402e705c121SKalle Valo return -EOPNOTSUPP; 4403e705c121SKalle Valo } 4404e705c121SKalle Valo 4405e705c121SKalle Valo static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, 4406e705c121SKalle Valo struct ieee80211_vif *vif, 4407e705c121SKalle Valo void *data, int len) 4408e705c121SKalle Valo { 4409e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4410e705c121SKalle Valo int err; 4411e705c121SKalle Valo 4412e705c121SKalle Valo mutex_lock(&mvm->mutex); 4413e705c121SKalle Valo err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); 4414e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4415e705c121SKalle Valo 4416e705c121SKalle Valo return err; 4417e705c121SKalle Valo } 4418e705c121SKalle Valo #endif 4419e705c121SKalle Valo 4420e705c121SKalle Valo static void iwl_mvm_channel_switch(struct ieee80211_hw *hw, 4421e705c121SKalle Valo struct ieee80211_vif *vif, 4422e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 4423e705c121SKalle Valo { 4424e705c121SKalle Valo /* By implementing this operation, we prevent mac80211 from 4425e705c121SKalle Valo * starting its own channel switch timer, so that we can call 4426e705c121SKalle Valo * ieee80211_chswitch_done() ourselves at the right time 4427e705c121SKalle Valo * (which is when the absence time event starts). 4428e705c121SKalle Valo */ 4429e705c121SKalle Valo 4430e705c121SKalle Valo IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 4431e705c121SKalle Valo "dummy channel switch op\n"); 4432e705c121SKalle Valo } 4433e705c121SKalle Valo 443474a10252SSara Sharon static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, 443574a10252SSara Sharon struct ieee80211_vif *vif, 443674a10252SSara Sharon struct ieee80211_channel_switch *chsw) 443774a10252SSara Sharon { 443874a10252SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 443974a10252SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 444074a10252SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 444174a10252SSara Sharon mvmvif->color)), 444274a10252SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 444374a10252SSara Sharon .tsf = cpu_to_le32(chsw->timestamp), 444474a10252SSara Sharon .cs_count = chsw->count, 444574a10252SSara Sharon }; 444674a10252SSara Sharon 444774a10252SSara Sharon lockdep_assert_held(&mvm->mutex); 444874a10252SSara Sharon 444974a10252SSara Sharon return iwl_mvm_send_cmd_pdu(mvm, 445074a10252SSara Sharon WIDE_ID(MAC_CONF_GROUP, 445174a10252SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 445274a10252SSara Sharon 0, sizeof(cmd), &cmd); 445374a10252SSara Sharon } 445474a10252SSara Sharon 4455e705c121SKalle Valo static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, 4456e705c121SKalle Valo struct ieee80211_vif *vif, 4457e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 4458e705c121SKalle Valo { 4459e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4460e705c121SKalle Valo struct ieee80211_vif *csa_vif; 4461e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4462e705c121SKalle Valo u32 apply_time; 4463e705c121SKalle Valo int ret; 4464e705c121SKalle Valo 4465e705c121SKalle Valo mutex_lock(&mvm->mutex); 4466e705c121SKalle Valo 4467e705c121SKalle Valo mvmvif->csa_failed = false; 4468e705c121SKalle Valo 4469e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 4470e705c121SKalle Valo chsw->chandef.center_freq1); 4471e705c121SKalle Valo 44727174beb6SJohannes Berg iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 44737174beb6SJohannes Berg ieee80211_vif_to_wdev(vif), 44747174beb6SJohannes Berg FW_DBG_TRIGGER_CHANNEL_SWITCH); 4475e705c121SKalle Valo 4476e705c121SKalle Valo switch (vif->type) { 4477e705c121SKalle Valo case NL80211_IFTYPE_AP: 4478e705c121SKalle Valo csa_vif = 4479e705c121SKalle Valo rcu_dereference_protected(mvm->csa_vif, 4480e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 4481e705c121SKalle Valo if (WARN_ONCE(csa_vif && csa_vif->csa_active, 4482e705c121SKalle Valo "Another CSA is already in progress")) { 4483e705c121SKalle Valo ret = -EBUSY; 4484e705c121SKalle Valo goto out_unlock; 4485e705c121SKalle Valo } 4486e705c121SKalle Valo 4487d3a108a4SAndrei Otcheretianski /* we still didn't unblock tx. prevent new CS meanwhile */ 4488d3a108a4SAndrei Otcheretianski if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 4489d3a108a4SAndrei Otcheretianski lockdep_is_held(&mvm->mutex))) { 4490d3a108a4SAndrei Otcheretianski ret = -EBUSY; 4491d3a108a4SAndrei Otcheretianski goto out_unlock; 4492d3a108a4SAndrei Otcheretianski } 4493d3a108a4SAndrei Otcheretianski 4494e705c121SKalle Valo rcu_assign_pointer(mvm->csa_vif, vif); 4495e705c121SKalle Valo 4496e705c121SKalle Valo if (WARN_ONCE(mvmvif->csa_countdown, 4497e705c121SKalle Valo "Previous CSA countdown didn't complete")) { 4498e705c121SKalle Valo ret = -EBUSY; 4499e705c121SKalle Valo goto out_unlock; 4500e705c121SKalle Valo } 4501e705c121SKalle Valo 4502d3a108a4SAndrei Otcheretianski mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 4503d3a108a4SAndrei Otcheretianski 4504e705c121SKalle Valo break; 4505e705c121SKalle Valo case NL80211_IFTYPE_STATION: 4506e705c121SKalle Valo /* Schedule the time event to a bit before beacon 1, 4507e705c121SKalle Valo * to make sure we're in the new channel when the 4508f5d8f50fSIlan Peer * GO/AP arrives. In case count <= 1 immediately schedule the 4509f5d8f50fSIlan Peer * TE (this might result with some packet loss or connection 4510f5d8f50fSIlan Peer * loss). 4511e705c121SKalle Valo */ 4512f5d8f50fSIlan Peer if (chsw->count <= 1) 4513f5d8f50fSIlan Peer apply_time = 0; 4514f5d8f50fSIlan Peer else 4515e705c121SKalle Valo apply_time = chsw->device_timestamp + 4516e705c121SKalle Valo ((vif->bss_conf.beacon_int * (chsw->count - 1) - 4517e705c121SKalle Valo IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 4518e705c121SKalle Valo 4519e705c121SKalle Valo if (chsw->block_tx) 4520e705c121SKalle Valo iwl_mvm_csa_client_absent(mvm, vif); 4521e705c121SKalle Valo 4522e705c121SKalle Valo if (mvmvif->bf_data.bf_enabled) { 4523e705c121SKalle Valo ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 4524e705c121SKalle Valo if (ret) 4525e705c121SKalle Valo goto out_unlock; 4526e705c121SKalle Valo } 4527e705c121SKalle Valo 452874a10252SSara Sharon if (fw_has_capa(&mvm->fw->ucode_capa, 452974a10252SSara Sharon IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 453074a10252SSara Sharon iwl_mvm_schedule_client_csa(mvm, vif, chsw); 453174a10252SSara Sharon else 453274a10252SSara Sharon iwl_mvm_schedule_csa_period(mvm, vif, 453374a10252SSara Sharon vif->bss_conf.beacon_int, 453474a10252SSara Sharon apply_time); 4535e705c121SKalle Valo break; 4536e705c121SKalle Valo default: 4537e705c121SKalle Valo break; 4538e705c121SKalle Valo } 4539e705c121SKalle Valo 4540e705c121SKalle Valo mvmvif->ps_disabled = true; 4541e705c121SKalle Valo 4542e705c121SKalle Valo ret = iwl_mvm_power_update_ps(mvm); 4543e705c121SKalle Valo if (ret) 4544e705c121SKalle Valo goto out_unlock; 4545e705c121SKalle Valo 4546e705c121SKalle Valo /* we won't be on this channel any longer */ 4547e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 4548e705c121SKalle Valo 4549e705c121SKalle Valo out_unlock: 4550e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4551e705c121SKalle Valo 4552e705c121SKalle Valo return ret; 4553e705c121SKalle Valo } 4554e705c121SKalle Valo 4555e705c121SKalle Valo static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 4556e705c121SKalle Valo struct ieee80211_vif *vif) 4557e705c121SKalle Valo { 4558e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4559e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4560e705c121SKalle Valo int ret; 4561e705c121SKalle Valo 4562e705c121SKalle Valo mutex_lock(&mvm->mutex); 4563e705c121SKalle Valo 4564e705c121SKalle Valo if (mvmvif->csa_failed) { 4565e705c121SKalle Valo mvmvif->csa_failed = false; 4566e705c121SKalle Valo ret = -EIO; 4567e705c121SKalle Valo goto out_unlock; 4568e705c121SKalle Valo } 4569e705c121SKalle Valo 4570e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION) { 4571e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 4572e705c121SKalle Valo 457319125cb0SAndrei Otcheretianski mvmvif->csa_bcn_pending = false; 4574e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_staid_protected(mvm, 4575e705c121SKalle Valo mvmvif->ap_sta_id); 4576e705c121SKalle Valo 4577e705c121SKalle Valo if (WARN_ON(!mvmsta)) { 4578e705c121SKalle Valo ret = -EIO; 4579e705c121SKalle Valo goto out_unlock; 4580e705c121SKalle Valo } 4581e705c121SKalle Valo 4582e705c121SKalle Valo iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 4583e705c121SKalle Valo 4584e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4585e705c121SKalle Valo 4586e705c121SKalle Valo ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 4587e705c121SKalle Valo if (ret) 4588e705c121SKalle Valo goto out_unlock; 4589e705c121SKalle Valo 4590e705c121SKalle Valo iwl_mvm_stop_session_protection(mvm, vif); 4591e705c121SKalle Valo } 4592e705c121SKalle Valo 4593e705c121SKalle Valo mvmvif->ps_disabled = false; 4594e705c121SKalle Valo 4595e705c121SKalle Valo ret = iwl_mvm_power_update_ps(mvm); 4596e705c121SKalle Valo 4597e705c121SKalle Valo out_unlock: 4598e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4599e705c121SKalle Valo 4600e705c121SKalle Valo return ret; 4601e705c121SKalle Valo } 4602e705c121SKalle Valo 46036110d9e5SDavid Spinadel static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) 46046110d9e5SDavid Spinadel { 4605435d0827SSara Sharon int i; 4606435d0827SSara Sharon 460706195639SSara Sharon if (!iwl_mvm_has_new_tx_api(mvm)) { 4608309c4848SLuca Coelho if (drop) { 4609309c4848SLuca Coelho mutex_lock(&mvm->mutex); 46106110d9e5SDavid Spinadel iwl_mvm_flush_tx_path(mvm, 4611435d0827SSara Sharon iwl_mvm_flushable_queues(mvm) & queues, 0); 4612309c4848SLuca Coelho mutex_unlock(&mvm->mutex); 4613309c4848SLuca Coelho } else { 4614435d0827SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, queues); 4615309c4848SLuca Coelho } 4616435d0827SSara Sharon return; 4617435d0827SSara Sharon } 46186110d9e5SDavid Spinadel 46196110d9e5SDavid Spinadel mutex_lock(&mvm->mutex); 46206110d9e5SDavid Spinadel for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) { 4621435d0827SSara Sharon struct ieee80211_sta *sta; 4622435d0827SSara Sharon 4623435d0827SSara Sharon sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 46246110d9e5SDavid Spinadel lockdep_is_held(&mvm->mutex)); 46256110d9e5SDavid Spinadel if (IS_ERR_OR_NULL(sta)) 46266110d9e5SDavid Spinadel continue; 46276110d9e5SDavid Spinadel 462806195639SSara Sharon if (drop) 462906195639SSara Sharon iwl_mvm_flush_sta_tids(mvm, i, 0xFF, 0); 463006195639SSara Sharon else 46316110d9e5SDavid Spinadel iwl_mvm_wait_sta_queues_empty(mvm, 46326110d9e5SDavid Spinadel iwl_mvm_sta_from_mac80211(sta)); 46336110d9e5SDavid Spinadel } 46346110d9e5SDavid Spinadel mutex_unlock(&mvm->mutex); 46356110d9e5SDavid Spinadel } 46366110d9e5SDavid Spinadel 4637e705c121SKalle Valo static void iwl_mvm_mac_flush(struct ieee80211_hw *hw, 4638e705c121SKalle Valo struct ieee80211_vif *vif, u32 queues, bool drop) 4639e705c121SKalle Valo { 4640e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4641e705c121SKalle Valo struct iwl_mvm_vif *mvmvif; 4642e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 4643e705c121SKalle Valo struct ieee80211_sta *sta; 4644e705c121SKalle Valo int i; 4645e705c121SKalle Valo u32 msk = 0; 4646e705c121SKalle Valo 46476110d9e5SDavid Spinadel if (!vif) { 46486110d9e5SDavid Spinadel iwl_mvm_flush_no_vif(mvm, queues, drop); 46496110d9e5SDavid Spinadel return; 46506110d9e5SDavid Spinadel } 46516110d9e5SDavid Spinadel 46526110d9e5SDavid Spinadel if (vif->type != NL80211_IFTYPE_STATION) 4653e705c121SKalle Valo return; 4654e705c121SKalle Valo 465524afba76SLiad Kaufman /* Make sure we're done with the deferred traffic before flushing */ 465624afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 465724afba76SLiad Kaufman 4658e705c121SKalle Valo mutex_lock(&mvm->mutex); 4659e705c121SKalle Valo mvmvif = iwl_mvm_vif_from_mac80211(vif); 4660e705c121SKalle Valo 4661e705c121SKalle Valo /* flush the AP-station and all TDLS peers */ 46620ae98812SSara Sharon for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) { 4663e705c121SKalle Valo sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 4664e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 4665e705c121SKalle Valo if (IS_ERR_OR_NULL(sta)) 4666e705c121SKalle Valo continue; 4667e705c121SKalle Valo 4668e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_mac80211(sta); 4669e705c121SKalle Valo if (mvmsta->vif != vif) 4670e705c121SKalle Valo continue; 4671e705c121SKalle Valo 4672e705c121SKalle Valo /* make sure only TDLS peers or the AP are flushed */ 4673e705c121SKalle Valo WARN_ON(i != mvmvif->ap_sta_id && !sta->tdls); 4674e705c121SKalle Valo 4675d49394a1SSara Sharon if (drop) { 4676d49394a1SSara Sharon if (iwl_mvm_flush_sta(mvm, mvmsta, false, 0)) 4677d49394a1SSara Sharon IWL_ERR(mvm, "flush request fail\n"); 4678d49394a1SSara Sharon } else { 4679e705c121SKalle Valo msk |= mvmsta->tfd_queue_msk; 4680d6d517b7SSara Sharon if (iwl_mvm_has_new_tx_api(mvm)) 4681d6d517b7SSara Sharon iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 4682e705c121SKalle Valo } 4683d49394a1SSara Sharon } 4684e705c121SKalle Valo 4685e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4686e705c121SKalle Valo 4687e705c121SKalle Valo /* this can take a while, and we may need/want other operations 4688e705c121SKalle Valo * to succeed while doing this, so do it without the mutex held 4689e705c121SKalle Valo */ 4690d6d517b7SSara Sharon if (!drop && !iwl_mvm_has_new_tx_api(mvm)) 4691a1a57877SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 4692e705c121SKalle Valo } 4693e705c121SKalle Valo 4694e705c121SKalle Valo static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 4695e705c121SKalle Valo struct survey_info *survey) 4696e705c121SKalle Valo { 4697e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4698e705c121SKalle Valo int ret; 4699e705c121SKalle Valo 4700e705c121SKalle Valo memset(survey, 0, sizeof(*survey)); 4701e705c121SKalle Valo 4702e705c121SKalle Valo /* only support global statistics right now */ 4703e705c121SKalle Valo if (idx != 0) 4704e705c121SKalle Valo return -ENOENT; 4705e705c121SKalle Valo 4706280a3efaSJohannes Berg if (!fw_has_capa(&mvm->fw->ucode_capa, 4707e705c121SKalle Valo IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 4708e705c121SKalle Valo return -ENOENT; 4709e705c121SKalle Valo 4710e705c121SKalle Valo mutex_lock(&mvm->mutex); 4711e705c121SKalle Valo 4712aab6930dSJohannes Berg if (iwl_mvm_firmware_running(mvm)) { 4713e705c121SKalle Valo ret = iwl_mvm_request_statistics(mvm, false); 4714e705c121SKalle Valo if (ret) 4715e705c121SKalle Valo goto out; 4716e705c121SKalle Valo } 4717e705c121SKalle Valo 4718e705c121SKalle Valo survey->filled = SURVEY_INFO_TIME | 4719e705c121SKalle Valo SURVEY_INFO_TIME_RX | 4720e705c121SKalle Valo SURVEY_INFO_TIME_TX | 4721e705c121SKalle Valo SURVEY_INFO_TIME_SCAN; 4722e705c121SKalle Valo survey->time = mvm->accu_radio_stats.on_time_rf + 4723e705c121SKalle Valo mvm->radio_stats.on_time_rf; 4724e705c121SKalle Valo do_div(survey->time, USEC_PER_MSEC); 4725e705c121SKalle Valo 4726e705c121SKalle Valo survey->time_rx = mvm->accu_radio_stats.rx_time + 4727e705c121SKalle Valo mvm->radio_stats.rx_time; 4728e705c121SKalle Valo do_div(survey->time_rx, USEC_PER_MSEC); 4729e705c121SKalle Valo 4730e705c121SKalle Valo survey->time_tx = mvm->accu_radio_stats.tx_time + 4731e705c121SKalle Valo mvm->radio_stats.tx_time; 4732e705c121SKalle Valo do_div(survey->time_tx, USEC_PER_MSEC); 4733e705c121SKalle Valo 4734e705c121SKalle Valo survey->time_scan = mvm->accu_radio_stats.on_time_scan + 4735e705c121SKalle Valo mvm->radio_stats.on_time_scan; 4736e705c121SKalle Valo do_div(survey->time_scan, USEC_PER_MSEC); 4737e705c121SKalle Valo 4738e705c121SKalle Valo ret = 0; 4739e705c121SKalle Valo out: 4740e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4741e705c121SKalle Valo return ret; 4742e705c121SKalle Valo } 4743e705c121SKalle Valo 4744e705c121SKalle Valo static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 4745e705c121SKalle Valo struct ieee80211_vif *vif, 4746e705c121SKalle Valo struct ieee80211_sta *sta, 4747e705c121SKalle Valo struct station_info *sinfo) 4748e705c121SKalle Valo { 4749e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4750e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4751e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 4752e705c121SKalle Valo 4753988b5968SSara Sharon if (mvmsta->avg_energy) { 4754988b5968SSara Sharon sinfo->signal_avg = mvmsta->avg_energy; 475522d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 4756988b5968SSara Sharon } 4757988b5968SSara Sharon 4758e705c121SKalle Valo /* if beacon filtering isn't on mac80211 does it anyway */ 4759e705c121SKalle Valo if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 4760e705c121SKalle Valo return; 4761e705c121SKalle Valo 4762e705c121SKalle Valo if (!vif->bss_conf.assoc) 4763e705c121SKalle Valo return; 4764e705c121SKalle Valo 4765e705c121SKalle Valo mutex_lock(&mvm->mutex); 4766e705c121SKalle Valo 4767e705c121SKalle Valo if (mvmvif->ap_sta_id != mvmsta->sta_id) 4768e705c121SKalle Valo goto unlock; 4769e705c121SKalle Valo 4770e705c121SKalle Valo if (iwl_mvm_request_statistics(mvm, false)) 4771e705c121SKalle Valo goto unlock; 4772e705c121SKalle Valo 4773e705c121SKalle Valo sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons + 4774e705c121SKalle Valo mvmvif->beacon_stats.accu_num_beacons; 477522d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); 4776e705c121SKalle Valo if (mvmvif->beacon_stats.avg_signal) { 4777e705c121SKalle Valo /* firmware only reports a value after RXing a few beacons */ 4778e705c121SKalle Valo sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal; 477922d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 4780e705c121SKalle Valo } 4781e705c121SKalle Valo unlock: 4782e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4783e705c121SKalle Valo } 4784e705c121SKalle Valo 4785e705c121SKalle Valo static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 4786e705c121SKalle Valo struct ieee80211_vif *vif, 4787e705c121SKalle Valo const struct ieee80211_event *event) 4788e705c121SKalle Valo { 47894c324a51SLuca Coelho #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 4790e705c121SKalle Valo do { \ 47914c324a51SLuca Coelho if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 4792e705c121SKalle Valo break; \ 47937174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 4794e705c121SKalle Valo } while (0) 4795e705c121SKalle Valo 4796e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 4797e705c121SKalle Valo struct iwl_fw_dbg_trigger_mlme *trig_mlme; 4798e705c121SKalle Valo 47996c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 48006c042d75SSara Sharon FW_DBG_TRIGGER_MLME); 48016c042d75SSara Sharon if (!trig) 4802e705c121SKalle Valo return; 4803e705c121SKalle Valo 4804e705c121SKalle Valo trig_mlme = (void *)trig->data; 4805e705c121SKalle Valo 4806e705c121SKalle Valo if (event->u.mlme.data == ASSOC_EVENT) { 4807e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 48084c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_denied, 4809e705c121SKalle Valo "DENIED ASSOC: reason %d", 4810e705c121SKalle Valo event->u.mlme.reason); 4811e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 48124c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_timeout, 4813e705c121SKalle Valo "ASSOC TIMEOUT"); 4814e705c121SKalle Valo } else if (event->u.mlme.data == AUTH_EVENT) { 4815e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 48164c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_denied, 4817e705c121SKalle Valo "DENIED AUTH: reason %d", 4818e705c121SKalle Valo event->u.mlme.reason); 4819e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 48204c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_timeout, 4821e705c121SKalle Valo "AUTH TIMEOUT"); 4822e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 48234c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_rx_deauth, 4824e705c121SKalle Valo "DEAUTH RX %d", event->u.mlme.reason); 4825e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 48264c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_tx_deauth, 4827e705c121SKalle Valo "DEAUTH TX %d", event->u.mlme.reason); 4828e705c121SKalle Valo } 4829e705c121SKalle Valo #undef CHECK_MLME_TRIGGER 4830e705c121SKalle Valo } 4831e705c121SKalle Valo 4832e705c121SKalle Valo static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 4833e705c121SKalle Valo struct ieee80211_vif *vif, 4834e705c121SKalle Valo const struct ieee80211_event *event) 4835e705c121SKalle Valo { 4836e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 4837e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 4838e705c121SKalle Valo 48396c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 48406c042d75SSara Sharon FW_DBG_TRIGGER_BA); 48416c042d75SSara Sharon if (!trig) 4842e705c121SKalle Valo return; 4843e705c121SKalle Valo 4844e705c121SKalle Valo ba_trig = (void *)trig->data; 4845e705c121SKalle Valo 4846e705c121SKalle Valo if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 4847e705c121SKalle Valo return; 4848e705c121SKalle Valo 48497174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 4850e705c121SKalle Valo "BAR received from %pM, tid %d, ssn %d", 4851e705c121SKalle Valo event->u.ba.sta->addr, event->u.ba.tid, 4852e705c121SKalle Valo event->u.ba.ssn); 4853e705c121SKalle Valo } 4854e705c121SKalle Valo 4855e705c121SKalle Valo static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 4856e705c121SKalle Valo struct ieee80211_vif *vif, 4857e705c121SKalle Valo const struct ieee80211_event *event) 4858e705c121SKalle Valo { 4859e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4860e705c121SKalle Valo 4861e705c121SKalle Valo switch (event->type) { 4862e705c121SKalle Valo case MLME_EVENT: 4863e705c121SKalle Valo iwl_mvm_event_mlme_callback(mvm, vif, event); 4864e705c121SKalle Valo break; 4865e705c121SKalle Valo case BAR_RX_EVENT: 4866e705c121SKalle Valo iwl_mvm_event_bar_rx_callback(mvm, vif, event); 4867e705c121SKalle Valo break; 4868e705c121SKalle Valo case BA_FRAME_TIMEOUT: 4869528a542aSEmmanuel Grumbach iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, 4870528a542aSEmmanuel Grumbach event->u.ba.tid); 4871e705c121SKalle Valo break; 4872e705c121SKalle Valo default: 4873e705c121SKalle Valo break; 4874e705c121SKalle Valo } 4875e705c121SKalle Valo } 4876e705c121SKalle Valo 4877d0ff5d22SSara Sharon void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 4878d0ff5d22SSara Sharon struct iwl_mvm_internal_rxq_notif *notif, 4879d0ff5d22SSara Sharon u32 size) 48800636b938SSara Sharon { 48810636b938SSara Sharon u32 qmask = BIT(mvm->trans->num_rx_queues) - 1; 48820636b938SSara Sharon int ret; 48830636b938SSara Sharon 48840636b938SSara Sharon lockdep_assert_held(&mvm->mutex); 48850636b938SSara Sharon 4886cb8550e1SSara Sharon if (!iwl_mvm_has_new_rx_api(mvm)) 48870636b938SSara Sharon return; 48880636b938SSara Sharon 4889d0ff5d22SSara Sharon notif->cookie = mvm->queue_sync_cookie; 48900636b938SSara Sharon 4891d0ff5d22SSara Sharon if (notif->sync) 4892d0ff5d22SSara Sharon atomic_set(&mvm->queue_sync_counter, 4893d0ff5d22SSara Sharon mvm->trans->num_rx_queues); 4894d0ff5d22SSara Sharon 4895d0ff5d22SSara Sharon ret = iwl_mvm_notify_rx_queue(mvm, qmask, (u8 *)notif, size); 48960636b938SSara Sharon if (ret) { 48970636b938SSara Sharon IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 48980636b938SSara Sharon goto out; 48990636b938SSara Sharon } 4900d0ff5d22SSara Sharon 49016ad04359SJohannes Berg if (notif->sync) { 49023a732c65SSara Sharon ret = wait_event_timeout(mvm->rx_sync_waitq, 49036ad04359SJohannes Berg atomic_read(&mvm->queue_sync_counter) == 0 || 49046ad04359SJohannes Berg iwl_mvm_is_radio_killed(mvm), 49050636b938SSara Sharon HZ); 49066ad04359SJohannes Berg WARN_ON_ONCE(!ret && !iwl_mvm_is_radio_killed(mvm)); 49076ad04359SJohannes Berg } 49080636b938SSara Sharon 49090636b938SSara Sharon out: 49100636b938SSara Sharon atomic_set(&mvm->queue_sync_counter, 0); 49110636b938SSara Sharon mvm->queue_sync_cookie++; 49120636b938SSara Sharon } 49130636b938SSara Sharon 49140636b938SSara Sharon static void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) 49150636b938SSara Sharon { 49160636b938SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4917d0ff5d22SSara Sharon struct iwl_mvm_internal_rxq_notif data = { 4918d0ff5d22SSara Sharon .type = IWL_MVM_RXQ_EMPTY, 4919d0ff5d22SSara Sharon .sync = 1, 4920d0ff5d22SSara Sharon }; 49210636b938SSara Sharon 49220636b938SSara Sharon mutex_lock(&mvm->mutex); 4923d0ff5d22SSara Sharon iwl_mvm_sync_rx_queues_internal(mvm, &data, sizeof(data)); 49240636b938SSara Sharon mutex_unlock(&mvm->mutex); 49250636b938SSara Sharon } 49260636b938SSara Sharon 4927b73f9a4aSJohannes Berg static int 4928b73f9a4aSJohannes Berg iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw, 4929b73f9a4aSJohannes Berg struct ieee80211_vif *vif, 4930b73f9a4aSJohannes Berg struct cfg80211_ftm_responder_stats *stats) 4931b73f9a4aSJohannes Berg { 4932b73f9a4aSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4933b73f9a4aSJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4934b73f9a4aSJohannes Berg 4935b73f9a4aSJohannes Berg if (vif->p2p || vif->type != NL80211_IFTYPE_AP || 4936b73f9a4aSJohannes Berg !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder) 4937b73f9a4aSJohannes Berg return -EINVAL; 4938b73f9a4aSJohannes Berg 4939b73f9a4aSJohannes Berg mutex_lock(&mvm->mutex); 4940b73f9a4aSJohannes Berg *stats = mvm->ftm_resp_stats; 4941b73f9a4aSJohannes Berg mutex_unlock(&mvm->mutex); 4942b73f9a4aSJohannes Berg 4943b73f9a4aSJohannes Berg stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) | 4944b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_PARTIAL_NUM) | 4945b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_FAILED_NUM) | 4946b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_ASAP_NUM) | 4947b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_NON_ASAP_NUM) | 4948b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) | 4949b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) | 4950b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) | 4951b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM); 4952b73f9a4aSJohannes Berg 4953b73f9a4aSJohannes Berg return 0; 4954b73f9a4aSJohannes Berg } 4955b73f9a4aSJohannes Berg 4956fc36ffdaSJohannes Berg static int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, 4957fc36ffdaSJohannes Berg struct ieee80211_vif *vif, 4958fc36ffdaSJohannes Berg struct cfg80211_pmsr_request *request) 4959fc36ffdaSJohannes Berg { 4960fc36ffdaSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4961fc36ffdaSJohannes Berg int ret; 4962fc36ffdaSJohannes Berg 4963fc36ffdaSJohannes Berg mutex_lock(&mvm->mutex); 4964fc36ffdaSJohannes Berg ret = iwl_mvm_ftm_start(mvm, vif, request); 4965fc36ffdaSJohannes Berg mutex_unlock(&mvm->mutex); 4966fc36ffdaSJohannes Berg 4967fc36ffdaSJohannes Berg return ret; 4968fc36ffdaSJohannes Berg } 4969fc36ffdaSJohannes Berg 4970fc36ffdaSJohannes Berg static void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, 4971fc36ffdaSJohannes Berg struct ieee80211_vif *vif, 4972fc36ffdaSJohannes Berg struct cfg80211_pmsr_request *request) 4973fc36ffdaSJohannes Berg { 4974fc36ffdaSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4975fc36ffdaSJohannes Berg 4976fc36ffdaSJohannes Berg mutex_lock(&mvm->mutex); 4977fc36ffdaSJohannes Berg iwl_mvm_ftm_abort(mvm, request); 4978fc36ffdaSJohannes Berg mutex_unlock(&mvm->mutex); 4979fc36ffdaSJohannes Berg } 4980fc36ffdaSJohannes Berg 4981438af969SSara Sharon static bool iwl_mvm_can_hw_csum(struct sk_buff *skb) 4982438af969SSara Sharon { 4983438af969SSara Sharon u8 protocol = ip_hdr(skb)->protocol; 4984438af969SSara Sharon 4985438af969SSara Sharon if (!IS_ENABLED(CONFIG_INET)) 4986438af969SSara Sharon return false; 4987438af969SSara Sharon 4988438af969SSara Sharon return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; 4989438af969SSara Sharon } 4990438af969SSara Sharon 4991438af969SSara Sharon static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw, 4992438af969SSara Sharon struct sk_buff *head, 4993438af969SSara Sharon struct sk_buff *skb) 4994438af969SSara Sharon { 4995438af969SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4996438af969SSara Sharon 4997438af969SSara Sharon /* For now don't aggregate IPv6 in AMSDU */ 4998438af969SSara Sharon if (skb->protocol != htons(ETH_P_IP)) 4999438af969SSara Sharon return false; 5000438af969SSara Sharon 5001438af969SSara Sharon if (!iwl_mvm_is_csum_supported(mvm)) 5002438af969SSara Sharon return true; 5003438af969SSara Sharon 5004438af969SSara Sharon return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); 5005438af969SSara Sharon } 5006438af969SSara Sharon 5007e705c121SKalle Valo const struct ieee80211_ops iwl_mvm_hw_ops = { 5008e705c121SKalle Valo .tx = iwl_mvm_mac_tx, 5009cfbc6c4cSSara Sharon .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, 5010e705c121SKalle Valo .ampdu_action = iwl_mvm_mac_ampdu_action, 5011e705c121SKalle Valo .start = iwl_mvm_mac_start, 5012e705c121SKalle Valo .reconfig_complete = iwl_mvm_mac_reconfig_complete, 5013e705c121SKalle Valo .stop = iwl_mvm_mac_stop, 5014e705c121SKalle Valo .add_interface = iwl_mvm_mac_add_interface, 5015e705c121SKalle Valo .remove_interface = iwl_mvm_mac_remove_interface, 5016e705c121SKalle Valo .config = iwl_mvm_mac_config, 5017e705c121SKalle Valo .prepare_multicast = iwl_mvm_prepare_multicast, 5018e705c121SKalle Valo .configure_filter = iwl_mvm_configure_filter, 5019e705c121SKalle Valo .config_iface_filter = iwl_mvm_config_iface_filter, 5020e705c121SKalle Valo .bss_info_changed = iwl_mvm_bss_info_changed, 5021e705c121SKalle Valo .hw_scan = iwl_mvm_mac_hw_scan, 5022e705c121SKalle Valo .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, 5023e705c121SKalle Valo .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, 5024e705c121SKalle Valo .sta_state = iwl_mvm_mac_sta_state, 5025e705c121SKalle Valo .sta_notify = iwl_mvm_mac_sta_notify, 5026e705c121SKalle Valo .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, 5027e705c121SKalle Valo .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, 5028e705c121SKalle Valo .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, 5029e705c121SKalle Valo .sta_rc_update = iwl_mvm_sta_rc_update, 5030e705c121SKalle Valo .conf_tx = iwl_mvm_mac_conf_tx, 5031e705c121SKalle Valo .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, 5032e705c121SKalle Valo .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, 5033e705c121SKalle Valo .flush = iwl_mvm_mac_flush, 5034e705c121SKalle Valo .sched_scan_start = iwl_mvm_mac_sched_scan_start, 5035e705c121SKalle Valo .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, 5036e705c121SKalle Valo .set_key = iwl_mvm_mac_set_key, 5037e705c121SKalle Valo .update_tkip_key = iwl_mvm_mac_update_tkip_key, 5038e705c121SKalle Valo .remain_on_channel = iwl_mvm_roc, 5039e705c121SKalle Valo .cancel_remain_on_channel = iwl_mvm_cancel_roc, 5040e705c121SKalle Valo .add_chanctx = iwl_mvm_add_chanctx, 5041e705c121SKalle Valo .remove_chanctx = iwl_mvm_remove_chanctx, 5042e705c121SKalle Valo .change_chanctx = iwl_mvm_change_chanctx, 5043e705c121SKalle Valo .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, 5044e705c121SKalle Valo .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, 5045e705c121SKalle Valo .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, 5046e705c121SKalle Valo 5047e705c121SKalle Valo .start_ap = iwl_mvm_start_ap_ibss, 5048e705c121SKalle Valo .stop_ap = iwl_mvm_stop_ap_ibss, 5049e705c121SKalle Valo .join_ibss = iwl_mvm_start_ap_ibss, 5050e705c121SKalle Valo .leave_ibss = iwl_mvm_stop_ap_ibss, 5051e705c121SKalle Valo 50522f0282dbSJohannes Berg .tx_last_beacon = iwl_mvm_tx_last_beacon, 50532f0282dbSJohannes Berg 5054e705c121SKalle Valo .set_tim = iwl_mvm_set_tim, 5055e705c121SKalle Valo 5056e705c121SKalle Valo .channel_switch = iwl_mvm_channel_switch, 5057e705c121SKalle Valo .pre_channel_switch = iwl_mvm_pre_channel_switch, 5058e705c121SKalle Valo .post_channel_switch = iwl_mvm_post_channel_switch, 5059e705c121SKalle Valo 5060e705c121SKalle Valo .tdls_channel_switch = iwl_mvm_tdls_channel_switch, 5061e705c121SKalle Valo .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, 5062e705c121SKalle Valo .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, 5063e705c121SKalle Valo 5064e705c121SKalle Valo .event_callback = iwl_mvm_mac_event_callback, 5065e705c121SKalle Valo 50660636b938SSara Sharon .sync_rx_queues = iwl_mvm_sync_rx_queues, 50670636b938SSara Sharon 5068e705c121SKalle Valo CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) 5069e705c121SKalle Valo 5070e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 5071e705c121SKalle Valo /* look at d3.c */ 5072e705c121SKalle Valo .suspend = iwl_mvm_suspend, 5073e705c121SKalle Valo .resume = iwl_mvm_resume, 5074e705c121SKalle Valo .set_wakeup = iwl_mvm_set_wakeup, 5075e705c121SKalle Valo .set_rekey_data = iwl_mvm_set_rekey_data, 5076e705c121SKalle Valo #if IS_ENABLED(CONFIG_IPV6) 5077e705c121SKalle Valo .ipv6_addr_change = iwl_mvm_ipv6_addr_change, 5078e705c121SKalle Valo #endif 5079e705c121SKalle Valo .set_default_unicast_key = iwl_mvm_set_default_unicast_key, 5080e705c121SKalle Valo #endif 5081e705c121SKalle Valo .get_survey = iwl_mvm_mac_get_survey, 5082e705c121SKalle Valo .sta_statistics = iwl_mvm_mac_sta_statistics, 5083b73f9a4aSJohannes Berg .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats, 5084fc36ffdaSJohannes Berg .start_pmsr = iwl_mvm_start_pmsr, 5085fc36ffdaSJohannes Berg .abort_pmsr = iwl_mvm_abort_pmsr, 5086b73f9a4aSJohannes Berg 5087438af969SSara Sharon .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, 5088177a11cfSGregory Greenman #ifdef CONFIG_IWLWIFI_DEBUGFS 5089177a11cfSGregory Greenman .sta_add_debugfs = iwl_mvm_sta_add_debugfs, 5090177a11cfSGregory Greenman #endif 5091e705c121SKalle Valo }; 5092