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 187*fc36ffdaSJohannes Berg static const struct cfg80211_pmsr_capabilities iwl_mvm_pmsr_capa = { 188*fc36ffdaSJohannes Berg .max_peers = IWL_MVM_TOF_MAX_APS, 189*fc36ffdaSJohannes Berg .report_ap_tsf = 1, 190*fc36ffdaSJohannes Berg .randomize_mac_addr = 1, 191*fc36ffdaSJohannes Berg 192*fc36ffdaSJohannes Berg .ftm = { 193*fc36ffdaSJohannes Berg .supported = 1, 194*fc36ffdaSJohannes Berg .asap = 1, 195*fc36ffdaSJohannes Berg .non_asap = 1, 196*fc36ffdaSJohannes Berg .request_lci = 1, 197*fc36ffdaSJohannes Berg .request_civicloc = 1, 198*fc36ffdaSJohannes Berg .max_bursts_exponent = -1, /* all supported */ 199*fc36ffdaSJohannes Berg .max_ftms_per_burst = 0, /* no limits */ 200*fc36ffdaSJohannes Berg .bandwidths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 201*fc36ffdaSJohannes Berg BIT(NL80211_CHAN_WIDTH_20) | 202*fc36ffdaSJohannes Berg BIT(NL80211_CHAN_WIDTH_40) | 203*fc36ffdaSJohannes Berg BIT(NL80211_CHAN_WIDTH_80), 204*fc36ffdaSJohannes Berg .preambles = BIT(NL80211_PREAMBLE_LEGACY) | 205*fc36ffdaSJohannes Berg BIT(NL80211_PREAMBLE_HT) | 206*fc36ffdaSJohannes Berg BIT(NL80211_PREAMBLE_VHT), 207*fc36ffdaSJohannes Berg }, 208*fc36ffdaSJohannes Berg }; 209*fc36ffdaSJohannes 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, 575*fc36ffdaSJohannes Berg IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) { 576b73f9a4aSJohannes Berg wiphy_ext_feature_set(hw->wiphy, 577b73f9a4aSJohannes Berg NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); 578*fc36ffdaSJohannes Berg hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa; 579*fc36ffdaSJohannes 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 799e705c121SKalle Valo ret = ieee80211_register_hw(mvm->hw); 800e705c121SKalle Valo if (ret) 801e705c121SKalle Valo iwl_mvm_leds_exit(mvm); 802de8ba41bSLiad Kaufman mvm->init_status |= IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE; 803e705c121SKalle Valo 80491b08c2dSAviya Erenfeld if (mvm->cfg->vht_mu_mimo_supported) 80591b08c2dSAviya Erenfeld wiphy_ext_feature_set(hw->wiphy, 80691b08c2dSAviya Erenfeld NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); 80791b08c2dSAviya Erenfeld 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) 910cfbc6c4cSSara Sharon { 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 944cfbc6c4cSSara Sharon if (!skb) 945cfbc6c4cSSara Sharon break; 946cfbc6c4cSSara Sharon 947cfbc6c4cSSara Sharon if (!txq->sta) 948cfbc6c4cSSara Sharon iwl_mvm_tx_skb_non_sta(mvm, skb); 949cfbc6c4cSSara Sharon else 950cfbc6c4cSSara Sharon iwl_mvm_tx_skb(mvm, skb, txq->sta); 951cfbc6c4cSSara Sharon } 952fba8248eSSara Sharon } while (atomic_dec_return(&mvmtxq->tx_request)); 953cfbc6c4cSSara Sharon rcu_read_unlock(); 954cfbc6c4cSSara Sharon } 955cfbc6c4cSSara Sharon 956cfbc6c4cSSara Sharon static void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw, 957cfbc6c4cSSara Sharon struct ieee80211_txq *txq) 958cfbc6c4cSSara Sharon { 959cfbc6c4cSSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 960cfbc6c4cSSara Sharon struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 961cfbc6c4cSSara Sharon 962cfbc6c4cSSara Sharon /* 963cfbc6c4cSSara Sharon * Please note that racing is handled very carefully here: 964cfbc6c4cSSara Sharon * mvmtxq->txq_id is updated during allocation, and mvmtxq->list is 965cfbc6c4cSSara Sharon * deleted afterwards. 966cfbc6c4cSSara Sharon * This means that if: 967cfbc6c4cSSara Sharon * mvmtxq->txq_id != INVALID_QUEUE && list_empty(&mvmtxq->list): 968cfbc6c4cSSara Sharon * queue is allocated and we can TX. 969cfbc6c4cSSara Sharon * mvmtxq->txq_id != INVALID_QUEUE && !list_empty(&mvmtxq->list): 970cfbc6c4cSSara Sharon * a race, should defer the frame. 971cfbc6c4cSSara Sharon * mvmtxq->txq_id == INVALID_QUEUE && list_empty(&mvmtxq->list): 972cfbc6c4cSSara Sharon * need to allocate the queue and defer the frame. 973cfbc6c4cSSara Sharon * mvmtxq->txq_id == INVALID_QUEUE && !list_empty(&mvmtxq->list): 974cfbc6c4cSSara Sharon * queue is already scheduled for allocation, no need to allocate, 975cfbc6c4cSSara Sharon * should defer the frame. 976cfbc6c4cSSara Sharon */ 977cfbc6c4cSSara Sharon 978cfbc6c4cSSara Sharon /* If the queue is allocated TX and return. */ 979cfbc6c4cSSara Sharon if (!txq->sta || mvmtxq->txq_id != IWL_MVM_INVALID_QUEUE) { 980cfbc6c4cSSara Sharon /* 981cfbc6c4cSSara Sharon * Check that list is empty to avoid a race where txq_id is 982cfbc6c4cSSara Sharon * already updated, but the queue allocation work wasn't 983cfbc6c4cSSara Sharon * finished 984cfbc6c4cSSara Sharon */ 985cfbc6c4cSSara Sharon if (unlikely(txq->sta && !list_empty(&mvmtxq->list))) 986cfbc6c4cSSara Sharon return; 987cfbc6c4cSSara Sharon 988cfbc6c4cSSara Sharon iwl_mvm_mac_itxq_xmit(hw, txq); 989cfbc6c4cSSara Sharon return; 990cfbc6c4cSSara Sharon } 991cfbc6c4cSSara Sharon 992cfbc6c4cSSara Sharon /* The list is being deleted only after the queue is fully allocated. */ 993cfbc6c4cSSara Sharon if (!list_empty(&mvmtxq->list)) 994cfbc6c4cSSara Sharon return; 995cfbc6c4cSSara Sharon 996cfbc6c4cSSara Sharon list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs); 997cfbc6c4cSSara Sharon schedule_work(&mvm->add_stream_wk); 998cfbc6c4cSSara Sharon } 999cfbc6c4cSSara Sharon 1000e705c121SKalle Valo #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ 1001e705c121SKalle Valo do { \ 1002e705c121SKalle Valo if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ 1003e705c121SKalle Valo break; \ 10047174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ 1005e705c121SKalle Valo } while (0) 1006e705c121SKalle Valo 1007e705c121SKalle Valo static void 1008e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1009e705c121SKalle Valo struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, 1010e705c121SKalle Valo enum ieee80211_ampdu_mlme_action action) 1011e705c121SKalle Valo { 1012e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 1013e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 1014e705c121SKalle Valo 10156c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 10166c042d75SSara Sharon FW_DBG_TRIGGER_BA); 10176c042d75SSara Sharon if (!trig) 1018e705c121SKalle Valo return; 1019e705c121SKalle Valo 1020e705c121SKalle Valo ba_trig = (void *)trig->data; 1021e705c121SKalle Valo 1022e705c121SKalle Valo switch (action) { 1023e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: { 1024e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 1025e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 1026e705c121SKalle Valo 1027e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, 1028e705c121SKalle Valo "TX AGG START: MAC %pM tid %d ssn %d\n", 1029e705c121SKalle Valo sta->addr, tid, tid_data->ssn); 1030e705c121SKalle Valo break; 1031e705c121SKalle Valo } 1032e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 1033e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, 1034e705c121SKalle Valo "TX AGG STOP: MAC %pM tid %d\n", 1035e705c121SKalle Valo sta->addr, tid); 1036e705c121SKalle Valo break; 1037e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 1038e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, 1039e705c121SKalle Valo "RX AGG START: MAC %pM tid %d ssn %d\n", 1040e705c121SKalle Valo sta->addr, tid, rx_ba_ssn); 1041e705c121SKalle Valo break; 1042e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 1043e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, 1044e705c121SKalle Valo "RX AGG STOP: MAC %pM tid %d\n", 1045e705c121SKalle Valo sta->addr, tid); 1046e705c121SKalle Valo break; 1047e705c121SKalle Valo default: 1048e705c121SKalle Valo break; 1049e705c121SKalle Valo } 1050e705c121SKalle Valo } 1051e705c121SKalle Valo 1052e705c121SKalle Valo static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, 1053e705c121SKalle Valo struct ieee80211_vif *vif, 105450ea05efSSara Sharon struct ieee80211_ampdu_params *params) 1055e705c121SKalle Valo { 1056e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1057e705c121SKalle Valo int ret; 1058e705c121SKalle Valo bool tx_agg_ref = false; 105950ea05efSSara Sharon struct ieee80211_sta *sta = params->sta; 106050ea05efSSara Sharon enum ieee80211_ampdu_mlme_action action = params->action; 106150ea05efSSara Sharon u16 tid = params->tid; 106250ea05efSSara Sharon u16 *ssn = ¶ms->ssn; 1063514c3069SLuca Coelho u16 buf_size = params->buf_size; 1064bb81bb68SEmmanuel Grumbach bool amsdu = params->amsdu; 106510b2b201SSara Sharon u16 timeout = params->timeout; 1066e705c121SKalle Valo 1067e705c121SKalle Valo IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", 1068e705c121SKalle Valo sta->addr, tid, action); 1069e705c121SKalle Valo 1070e705c121SKalle Valo if (!(mvm->nvm_data->sku_cap_11n_enable)) 1071e705c121SKalle Valo return -EACCES; 1072e705c121SKalle Valo 1073e705c121SKalle Valo /* return from D0i3 before starting a new Tx aggregation */ 1074e705c121SKalle Valo switch (action) { 1075e705c121SKalle Valo case IEEE80211_AMPDU_TX_START: 1076e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 1077e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH: 1078e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1079e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: 1080e705c121SKalle Valo /* 1081e705c121SKalle Valo * for tx start, wait synchronously until D0i3 exit to 1082e705c121SKalle Valo * get the correct sequence number for the tid. 1083e705c121SKalle Valo * additionally, some other ampdu actions use direct 1084e705c121SKalle Valo * target access, which is not handled automatically 1085e705c121SKalle Valo * by the trans layer (unlike commands), so wait for 1086e705c121SKalle Valo * d0i3 exit in these cases as well. 1087e705c121SKalle Valo */ 1088e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG); 1089e705c121SKalle Valo if (ret) 1090e705c121SKalle Valo return ret; 1091e705c121SKalle Valo 1092e705c121SKalle Valo tx_agg_ref = true; 1093e705c121SKalle Valo break; 1094e705c121SKalle Valo default: 1095e705c121SKalle Valo break; 1096e705c121SKalle Valo } 1097e705c121SKalle Valo 1098e705c121SKalle Valo mutex_lock(&mvm->mutex); 1099e705c121SKalle Valo 1100e705c121SKalle Valo switch (action) { 1101e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 1102b0ffe455SJohannes Berg if (iwl_mvm_vif_from_mac80211(vif)->ap_sta_id == 1103b0ffe455SJohannes Berg iwl_mvm_sta_from_mac80211(sta)->sta_id) { 1104b0ffe455SJohannes Berg struct iwl_mvm_vif *mvmvif; 1105b0ffe455SJohannes Berg u16 macid = iwl_mvm_vif_from_mac80211(vif)->id; 1106b0ffe455SJohannes Berg struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid]; 1107b0ffe455SJohannes Berg 1108b0ffe455SJohannes Berg mdata->opened_rx_ba_sessions = true; 1109b0ffe455SJohannes Berg mvmvif = iwl_mvm_vif_from_mac80211(vif); 1110b0ffe455SJohannes Berg cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk); 1111b0ffe455SJohannes Berg } 1112e78da25eSJohannes Berg if (!iwl_enable_rx_ampdu()) { 1113e705c121SKalle Valo ret = -EINVAL; 1114e705c121SKalle Valo break; 1115e705c121SKalle Valo } 111610b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, 111710b2b201SSara Sharon timeout); 1118e705c121SKalle Valo break; 1119e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 112010b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, 112110b2b201SSara Sharon timeout); 1122e705c121SKalle Valo break; 1123e705c121SKalle Valo case IEEE80211_AMPDU_TX_START: 1124e78da25eSJohannes Berg if (!iwl_enable_tx_ampdu()) { 1125e705c121SKalle Valo ret = -EINVAL; 1126e705c121SKalle Valo break; 1127e705c121SKalle Valo } 1128e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); 1129e705c121SKalle Valo break; 1130e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 1131e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); 1132e705c121SKalle Valo break; 1133e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH: 1134e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1135e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); 1136e705c121SKalle Valo break; 1137e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: 1138bb81bb68SEmmanuel Grumbach ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, 1139bb81bb68SEmmanuel Grumbach buf_size, amsdu); 1140e705c121SKalle Valo break; 1141e705c121SKalle Valo default: 1142e705c121SKalle Valo WARN_ON_ONCE(1); 1143e705c121SKalle Valo ret = -EINVAL; 1144e705c121SKalle Valo break; 1145e705c121SKalle Valo } 1146e705c121SKalle Valo 1147e705c121SKalle Valo if (!ret) { 1148e705c121SKalle Valo u16 rx_ba_ssn = 0; 1149e705c121SKalle Valo 1150e705c121SKalle Valo if (action == IEEE80211_AMPDU_RX_START) 1151e705c121SKalle Valo rx_ba_ssn = *ssn; 1152e705c121SKalle Valo 1153e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, 1154e705c121SKalle Valo rx_ba_ssn, action); 1155e705c121SKalle Valo } 1156e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1157e705c121SKalle Valo 1158e705c121SKalle Valo /* 1159e705c121SKalle Valo * If the tid is marked as started, we won't use it for offloaded 1160e705c121SKalle Valo * traffic on the next D0i3 entry. It's safe to unref. 1161e705c121SKalle Valo */ 1162e705c121SKalle Valo if (tx_agg_ref) 1163e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG); 1164e705c121SKalle Valo 1165e705c121SKalle Valo return ret; 1166e705c121SKalle Valo } 1167e705c121SKalle Valo 1168e705c121SKalle Valo static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, 1169e705c121SKalle Valo struct ieee80211_vif *vif) 1170e705c121SKalle Valo { 1171e705c121SKalle Valo struct iwl_mvm *mvm = data; 1172e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1173e705c121SKalle Valo 1174e705c121SKalle Valo mvmvif->uploaded = false; 11750ae98812SSara Sharon mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; 1176e705c121SKalle Valo 1177e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 1178e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); 1179e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 1180e705c121SKalle Valo 1181e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1182e705c121SKalle Valo memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data)); 118386e177d8SGregory Greenman memset(&mvmvif->probe_resp_data, 0, sizeof(mvmvif->probe_resp_data)); 1184e705c121SKalle Valo } 1185e705c121SKalle Valo 1186e705c121SKalle Valo static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) 1187e705c121SKalle Valo { 1188e705c121SKalle Valo /* clear the D3 reconfig, we only need it to avoid dumping a 1189e705c121SKalle Valo * firmware coredump on reconfiguration, we shouldn't do that 1190e705c121SKalle Valo * on D3->D0 transition 1191e705c121SKalle Valo */ 1192e705c121SKalle Valo if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG, &mvm->status)) { 11937174beb6SJohannes Berg mvm->fwrt.dump.desc = &iwl_dump_desc_assert; 11947174beb6SJohannes Berg iwl_fw_error_dump(&mvm->fwrt); 1195e705c121SKalle Valo } 1196e705c121SKalle Valo 1197e705c121SKalle Valo /* cleanup all stale references (scan, roc), but keep the 1198e705c121SKalle Valo * ucode_down ref until reconfig is complete 1199e705c121SKalle Valo */ 1200e705c121SKalle Valo iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN); 1201e705c121SKalle Valo 1202fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1203e705c121SKalle Valo 12049bf13beeSJohannes Berg mvm->cur_aid = 0; 12059bf13beeSJohannes Berg 1206e705c121SKalle Valo mvm->scan_status = 0; 1207e705c121SKalle Valo mvm->ps_disabled = false; 1208e705c121SKalle Valo mvm->calibrating = false; 1209e705c121SKalle Valo 1210e705c121SKalle Valo /* just in case one was running */ 1211305d236eSEliad Peller iwl_mvm_cleanup_roc_te(mvm); 1212e705c121SKalle Valo ieee80211_remain_on_channel_expired(mvm->hw); 1213e705c121SKalle Valo 1214*fc36ffdaSJohannes Berg iwl_mvm_ftm_restart(mvm); 1215*fc36ffdaSJohannes Berg 1216e705c121SKalle Valo /* 1217e705c121SKalle Valo * cleanup all interfaces, even inactive ones, as some might have 1218e705c121SKalle Valo * gone down during the HW restart 1219e705c121SKalle Valo */ 1220e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); 1221e705c121SKalle Valo 1222e705c121SKalle Valo mvm->p2p_device_vif = NULL; 12230ae98812SSara Sharon mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA; 1224e705c121SKalle Valo 1225e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 12269c3deeb5SLuca Coelho memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); 1227e705c121SKalle Valo memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); 1228e705c121SKalle Valo memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); 1229e705c121SKalle Valo 1230e705c121SKalle Valo ieee80211_wake_queues(mvm->hw); 1231e705c121SKalle Valo 1232e705c121SKalle Valo /* clear any stale d0i3 state */ 1233e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); 1234e705c121SKalle Valo 1235e705c121SKalle Valo mvm->vif_count = 0; 1236e705c121SKalle Valo mvm->rx_ba_sessions = 0; 12377174beb6SJohannes Berg mvm->fwrt.dump.conf = FW_DBG_INVALID; 1238baf41bc3SShaul Triebitz mvm->monitor_on = false; 1239e705c121SKalle Valo 1240e705c121SKalle Valo /* keep statistics ticking */ 1241e705c121SKalle Valo iwl_mvm_accu_radio_stats(mvm); 1242e705c121SKalle Valo } 1243e705c121SKalle Valo 1244e705c121SKalle Valo int __iwl_mvm_mac_start(struct iwl_mvm *mvm) 1245e705c121SKalle Valo { 1246e705c121SKalle Valo int ret; 1247e705c121SKalle Valo 1248e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1249e705c121SKalle Valo 1250bf8b286fSJohannes Berg if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { 1251bf8b286fSJohannes Berg /* 1252bf8b286fSJohannes Berg * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART 1253bf8b286fSJohannes Berg * so later code will - from now on - see that we're doing it. 1254bf8b286fSJohannes Berg */ 1255bf8b286fSJohannes Berg set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1256bf8b286fSJohannes Berg clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1257e705c121SKalle Valo /* Clean up some internal and mac80211 state on restart */ 1258e705c121SKalle Valo iwl_mvm_restart_cleanup(mvm); 1259a42b2af3SLuca Coelho } else { 1260a42b2af3SLuca Coelho /* Hold the reference to prevent runtime suspend while 1261a42b2af3SLuca Coelho * the start procedure runs. It's a bit confusing 1262a42b2af3SLuca Coelho * that the UCODE_DOWN reference is taken, but it just 1263a42b2af3SLuca Coelho * means "UCODE is not UP yet". ( TODO: rename this 1264a42b2af3SLuca Coelho * reference). 1265a42b2af3SLuca Coelho */ 1266a42b2af3SLuca Coelho iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); 1267a42b2af3SLuca Coelho } 1268e705c121SKalle Valo ret = iwl_mvm_up(mvm); 1269e705c121SKalle Valo 1270da2eb669SSara Sharon iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_POST_INIT); 1271da2eb669SSara Sharon 1272e705c121SKalle Valo if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1273e705c121SKalle Valo /* Something went wrong - we need to finish some cleanup 1274e705c121SKalle Valo * that normally iwl_mvm_mac_restart_complete() below 1275e705c121SKalle Valo * would do. 1276e705c121SKalle Valo */ 1277e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1278a75b9b33SLuca Coelho #ifdef CONFIG_PM 1279e705c121SKalle Valo iwl_mvm_d0i3_enable_tx(mvm, NULL); 1280a75b9b33SLuca Coelho #endif 1281e705c121SKalle Valo } 1282e705c121SKalle Valo 1283e705c121SKalle Valo return ret; 1284e705c121SKalle Valo } 1285e705c121SKalle Valo 1286e705c121SKalle Valo static int iwl_mvm_mac_start(struct ieee80211_hw *hw) 1287e705c121SKalle Valo { 1288e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1289e705c121SKalle Valo int ret; 1290e705c121SKalle Valo 1291e705c121SKalle Valo /* Some hw restart cleanups must not hold the mutex */ 1292e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1293e705c121SKalle Valo /* 1294e705c121SKalle Valo * Make sure we are out of d0i3. This is needed 1295e705c121SKalle Valo * to make sure the reference accounting is correct 1296e705c121SKalle Valo * (and there is no stale d0i3_exit_work). 1297e705c121SKalle Valo */ 1298e705c121SKalle Valo wait_event_timeout(mvm->d0i3_exit_waitq, 1299e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_IN_D0I3, 1300e705c121SKalle Valo &mvm->status), 1301e705c121SKalle Valo HZ); 1302e705c121SKalle Valo } 1303e705c121SKalle Valo 1304e705c121SKalle Valo mutex_lock(&mvm->mutex); 1305e705c121SKalle Valo ret = __iwl_mvm_mac_start(mvm); 1306e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1307e705c121SKalle Valo 1308e705c121SKalle Valo return ret; 1309e705c121SKalle Valo } 1310e705c121SKalle Valo 1311e705c121SKalle Valo static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 1312e705c121SKalle Valo { 1313e705c121SKalle Valo int ret; 1314e705c121SKalle Valo 1315e705c121SKalle Valo mutex_lock(&mvm->mutex); 1316e705c121SKalle Valo 1317e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1318a75b9b33SLuca Coelho #ifdef CONFIG_PM 1319e705c121SKalle Valo iwl_mvm_d0i3_enable_tx(mvm, NULL); 1320a75b9b33SLuca Coelho #endif 1321e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 1322e705c121SKalle Valo if (ret) 1323e705c121SKalle Valo IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", 1324e705c121SKalle Valo ret); 1325e705c121SKalle Valo 1326e705c121SKalle Valo /* allow transport/FW low power modes */ 1327e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN); 1328e705c121SKalle Valo 1329e705c121SKalle Valo /* 1330e705c121SKalle Valo * If we have TDLS peers, remove them. We don't know the last seqno/PN 1331e705c121SKalle Valo * of packets the FW sent out, so we must reconnect. 1332e705c121SKalle Valo */ 1333e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 1334e705c121SKalle Valo 1335e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1336e705c121SKalle Valo } 1337e705c121SKalle Valo 1338e705c121SKalle Valo static void iwl_mvm_resume_complete(struct iwl_mvm *mvm) 1339e705c121SKalle Valo { 1340b7282643SLuca Coelho if (iwl_mvm_is_d0i3_supported(mvm) && 1341b7282643SLuca Coelho iwl_mvm_enter_d0i3_on_suspend(mvm)) 1342b7282643SLuca Coelho WARN_ONCE(!wait_event_timeout(mvm->d0i3_exit_waitq, 1343e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_IN_D0I3, 1344e705c121SKalle Valo &mvm->status), 1345b7282643SLuca Coelho HZ), 1346b7282643SLuca Coelho "D0i3 exit on resume timed out\n"); 1347e705c121SKalle Valo } 1348e705c121SKalle Valo 1349e705c121SKalle Valo static void 1350e705c121SKalle Valo iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, 1351e705c121SKalle Valo enum ieee80211_reconfig_type reconfig_type) 1352e705c121SKalle Valo { 1353e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1354e705c121SKalle Valo 1355e705c121SKalle Valo switch (reconfig_type) { 1356e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_RESTART: 1357e705c121SKalle Valo iwl_mvm_restart_complete(mvm); 1358e705c121SKalle Valo break; 1359e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_SUSPEND: 1360e705c121SKalle Valo iwl_mvm_resume_complete(mvm); 1361e705c121SKalle Valo break; 1362e705c121SKalle Valo } 1363e705c121SKalle Valo } 1364e705c121SKalle Valo 1365e705c121SKalle Valo void __iwl_mvm_mac_stop(struct iwl_mvm *mvm) 1366e705c121SKalle Valo { 1367e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1368e705c121SKalle Valo 1369e705c121SKalle Valo /* firmware counters are obviously reset now, but we shouldn't 1370e705c121SKalle Valo * partially track so also clear the fw_reset_accu counters. 1371e705c121SKalle Valo */ 1372e705c121SKalle Valo memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); 1373e705c121SKalle Valo 1374e705c121SKalle Valo /* async_handlers_wk is now blocked */ 1375e705c121SKalle Valo 1376e705c121SKalle Valo /* 1377e705c121SKalle Valo * The work item could be running or queued if the 1378e705c121SKalle Valo * ROC time event stops just as we get here. 1379e705c121SKalle Valo */ 1380e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 1381e705c121SKalle Valo 1382fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1383e705c121SKalle Valo 1384e705c121SKalle Valo iwl_mvm_async_handlers_purge(mvm); 1385e705c121SKalle Valo /* async_handlers_list is empty and will stay empty: HW is stopped */ 1386e705c121SKalle Valo 1387e705c121SKalle Valo /* the fw is stopped, the aux sta is dead: clean up driver state */ 1388e705c121SKalle Valo iwl_mvm_del_aux_sta(mvm); 1389e705c121SKalle Valo 1390e705c121SKalle Valo /* 1391155f7e04SEmmanuel Grumbach * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the 1392155f7e04SEmmanuel Grumbach * hw (as restart_complete() won't be called in this case) and mac80211 1393155f7e04SEmmanuel Grumbach * won't execute the restart. 1394e705c121SKalle Valo * But make sure to cleanup interfaces that have gone down before/during 1395e705c121SKalle Valo * HW restart was requested. 1396e705c121SKalle Valo */ 1397155f7e04SEmmanuel Grumbach if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || 1398155f7e04SEmmanuel Grumbach test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1399155f7e04SEmmanuel Grumbach &mvm->status)) 1400e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, 1401e705c121SKalle Valo iwl_mvm_cleanup_iterator, mvm); 1402e705c121SKalle Valo 1403e705c121SKalle Valo /* We shouldn't have any UIDs still set. Loop over all the UIDs to 1404e705c121SKalle Valo * make sure there's nothing left there and warn if any is found. 1405e705c121SKalle Valo */ 1406e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1407e705c121SKalle Valo int i; 1408e705c121SKalle Valo 1409e705c121SKalle Valo for (i = 0; i < mvm->max_scans; i++) { 1410e705c121SKalle Valo if (WARN_ONCE(mvm->scan_uid_status[i], 1411e705c121SKalle Valo "UMAC scan UID %d status was not cleaned\n", 1412e705c121SKalle Valo i)) 1413e705c121SKalle Valo mvm->scan_uid_status[i] = 0; 1414e705c121SKalle Valo } 1415e705c121SKalle Valo } 1416e705c121SKalle Valo } 1417e705c121SKalle Valo 1418e705c121SKalle Valo static void iwl_mvm_mac_stop(struct ieee80211_hw *hw) 1419e705c121SKalle Valo { 1420e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1421e705c121SKalle Valo 1422e705c121SKalle Valo flush_work(&mvm->d0i3_exit_work); 1423e705c121SKalle Valo flush_work(&mvm->async_handlers_wk); 142424afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 1425771147b0SJohannes Berg 1426771147b0SJohannes Berg /* 1427771147b0SJohannes Berg * Lock and clear the firmware running bit here already, so that 1428771147b0SJohannes Berg * new commands coming in elsewhere, e.g. from debugfs, will not 1429771147b0SJohannes Berg * be able to proceed. This is important here because one of those 14307174beb6SJohannes Berg * debugfs files causes the firmware dump to be triggered, and if we 1431771147b0SJohannes Berg * don't stop debugfs accesses before canceling that it could be 1432771147b0SJohannes Berg * retriggered after we flush it but before we've cleared the bit. 1433771147b0SJohannes Berg */ 1434771147b0SJohannes Berg clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1435771147b0SJohannes Berg 14367174beb6SJohannes Berg iwl_fw_cancel_dump(&mvm->fwrt); 1437d3a108a4SAndrei Otcheretianski cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); 143869e04642SLuca Coelho cancel_delayed_work_sync(&mvm->scan_timeout_dwork); 14397174beb6SJohannes Berg iwl_fw_free_dump_desc(&mvm->fwrt); 1440e705c121SKalle Valo 1441e705c121SKalle Valo mutex_lock(&mvm->mutex); 1442e705c121SKalle Valo __iwl_mvm_mac_stop(mvm); 1443e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1444e705c121SKalle Valo 1445e705c121SKalle Valo /* 1446e705c121SKalle Valo * The worker might have been waiting for the mutex, let it run and 1447e705c121SKalle Valo * discover that its list is now empty. 1448e705c121SKalle Valo */ 1449e705c121SKalle Valo cancel_work_sync(&mvm->async_handlers_wk); 1450e705c121SKalle Valo } 1451e705c121SKalle Valo 1452e705c121SKalle Valo static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) 1453e705c121SKalle Valo { 1454e705c121SKalle Valo u16 i; 1455e705c121SKalle Valo 1456e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1457e705c121SKalle Valo 1458e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) 1459e705c121SKalle Valo if (!mvm->phy_ctxts[i].ref) 1460e705c121SKalle Valo return &mvm->phy_ctxts[i]; 1461e705c121SKalle Valo 1462e705c121SKalle Valo IWL_ERR(mvm, "No available PHY context\n"); 1463e705c121SKalle Valo return NULL; 1464e705c121SKalle Valo } 1465e705c121SKalle Valo 1466e705c121SKalle Valo static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1467e705c121SKalle Valo s16 tx_power) 1468e705c121SKalle Valo { 14690791c2fcSHaim Dreyfuss int len; 14700791c2fcSHaim Dreyfuss union { 14710791c2fcSHaim Dreyfuss struct iwl_dev_tx_power_cmd v5; 14720791c2fcSHaim Dreyfuss struct iwl_dev_tx_power_cmd_v4 v4; 14730791c2fcSHaim Dreyfuss } cmd = { 14740791c2fcSHaim Dreyfuss .v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), 14750791c2fcSHaim Dreyfuss .v5.v3.mac_context_id = 1476e705c121SKalle Valo cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), 14770791c2fcSHaim Dreyfuss .v5.v3.pwr_restriction = cpu_to_le16(8 * tx_power), 1478e705c121SKalle Valo }; 1479e705c121SKalle Valo 1480e705c121SKalle Valo if (tx_power == IWL_DEFAULT_MAX_TX_POWER) 14810791c2fcSHaim Dreyfuss cmd.v5.v3.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); 1482e705c121SKalle Valo 14830791c2fcSHaim Dreyfuss if (fw_has_api(&mvm->fw->ucode_capa, 14840791c2fcSHaim Dreyfuss IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 14850791c2fcSHaim Dreyfuss len = sizeof(cmd.v5); 14860791c2fcSHaim Dreyfuss else if (fw_has_capa(&mvm->fw->ucode_capa, 14870791c2fcSHaim Dreyfuss IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 14880791c2fcSHaim Dreyfuss len = sizeof(cmd.v4); 14890791c2fcSHaim Dreyfuss else 14900791c2fcSHaim Dreyfuss len = sizeof(cmd.v4.v3); 1491e705c121SKalle Valo 1492e705c121SKalle Valo return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); 1493e705c121SKalle Valo } 1494e705c121SKalle Valo 1495e705c121SKalle Valo static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 1496e705c121SKalle Valo struct ieee80211_vif *vif) 1497e705c121SKalle Valo { 1498e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1499e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1500e705c121SKalle Valo int ret; 1501e705c121SKalle Valo 1502e705c121SKalle Valo mvmvif->mvm = mvm; 150386e177d8SGregory Greenman RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL); 1504e705c121SKalle Valo 1505e705c121SKalle Valo /* 1506e705c121SKalle Valo * make sure D0i3 exit is completed, otherwise a target access 1507e705c121SKalle Valo * during tx queue configuration could be done when still in 1508e705c121SKalle Valo * D0i3 state. 1509e705c121SKalle Valo */ 1510e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF); 1511e705c121SKalle Valo if (ret) 1512e705c121SKalle Valo return ret; 1513e705c121SKalle Valo 1514e705c121SKalle Valo /* 1515e705c121SKalle Valo * Not much to do here. The stack will not allow interface 1516e705c121SKalle Valo * types or combinations that we didn't advertise, so we 1517e705c121SKalle Valo * don't really have to check the types. 1518e705c121SKalle Valo */ 1519e705c121SKalle Valo 1520e705c121SKalle Valo mutex_lock(&mvm->mutex); 1521e705c121SKalle Valo 1522e705c121SKalle Valo /* make sure that beacon statistics don't go backwards with FW reset */ 1523e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1524e705c121SKalle Valo mvmvif->beacon_stats.accu_num_beacons += 1525e705c121SKalle Valo mvmvif->beacon_stats.num_beacons; 1526e705c121SKalle Valo 1527e705c121SKalle Valo /* Allocate resources for the MAC context, and add it to the fw */ 1528e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_init(mvm, vif); 1529e705c121SKalle Valo if (ret) 1530e705c121SKalle Valo goto out_unlock; 1531e705c121SKalle Valo 1532698478c4SSara Sharon rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); 1533698478c4SSara Sharon 1534e705c121SKalle Valo /* Counting number of interfaces is needed for legacy PM */ 1535e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_P2P_DEVICE) 1536e705c121SKalle Valo mvm->vif_count++; 1537e705c121SKalle Valo 1538e705c121SKalle Valo /* 1539e705c121SKalle Valo * The AP binding flow can be done only after the beacon 1540e705c121SKalle Valo * template is configured (which happens only in the mac80211 1541e705c121SKalle Valo * start_ap() flow), and adding the broadcast station can happen 1542e705c121SKalle Valo * only after the binding. 1543e705c121SKalle Valo * In addition, since modifying the MAC before adding a bcast 1544e705c121SKalle Valo * station is not allowed by the FW, delay the adding of MAC context to 1545e705c121SKalle Valo * the point where we can also add the bcast station. 1546e705c121SKalle Valo * In short: there's not much we can do at this point, other than 1547e705c121SKalle Valo * allocating resources :) 1548e705c121SKalle Valo */ 1549e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1550e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 1551e705c121SKalle Valo ret = iwl_mvm_alloc_bcast_sta(mvm, vif); 1552e705c121SKalle Valo if (ret) { 1553e705c121SKalle Valo IWL_ERR(mvm, "Failed to allocate bcast sta\n"); 1554e705c121SKalle Valo goto out_release; 1555e705c121SKalle Valo } 1556e705c121SKalle Valo 155726d6c16bSSara Sharon /* 155826d6c16bSSara Sharon * Only queue for this station is the mcast queue, 155926d6c16bSSara Sharon * which shouldn't be in TFD mask anyway 156026d6c16bSSara Sharon */ 156126d6c16bSSara Sharon ret = iwl_mvm_allocate_int_sta(mvm, &mvmvif->mcast_sta, 1562ced19f26SSara Sharon 0, vif->type, 1563ced19f26SSara Sharon IWL_STA_MULTICAST); 156426d6c16bSSara Sharon if (ret) 156526d6c16bSSara Sharon goto out_release; 156626d6c16bSSara Sharon 1567e705c121SKalle Valo iwl_mvm_vif_dbgfs_register(mvm, vif); 1568e705c121SKalle Valo goto out_unlock; 1569e705c121SKalle Valo } 1570e705c121SKalle Valo 1571e705c121SKalle Valo mvmvif->features |= hw->netdev_features; 1572e705c121SKalle Valo 1573e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 1574e705c121SKalle Valo if (ret) 1575e705c121SKalle Valo goto out_release; 1576e705c121SKalle Valo 1577e705c121SKalle Valo ret = iwl_mvm_power_update_mac(mvm); 1578e705c121SKalle Valo if (ret) 1579e705c121SKalle Valo goto out_remove_mac; 1580e705c121SKalle Valo 1581e705c121SKalle Valo /* beacon filtering */ 1582e705c121SKalle Valo ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 1583e705c121SKalle Valo if (ret) 1584e705c121SKalle Valo goto out_remove_mac; 1585e705c121SKalle Valo 1586e705c121SKalle Valo if (!mvm->bf_allowed_vif && 1587e705c121SKalle Valo vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { 1588e705c121SKalle Valo mvm->bf_allowed_vif = mvmvif; 1589e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 1590e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI; 1591e705c121SKalle Valo } 1592e705c121SKalle Valo 1593e705c121SKalle Valo /* 1594e705c121SKalle Valo * P2P_DEVICE interface does not have a channel context assigned to it, 1595e705c121SKalle Valo * so a dedicated PHY context is allocated to it and the corresponding 1596e705c121SKalle Valo * MAC context is bound to it at this stage. 1597e705c121SKalle Valo */ 1598e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1599e705c121SKalle Valo 1600e705c121SKalle Valo mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 1601e705c121SKalle Valo if (!mvmvif->phy_ctxt) { 1602e705c121SKalle Valo ret = -ENOSPC; 1603e705c121SKalle Valo goto out_free_bf; 1604e705c121SKalle Valo } 1605e705c121SKalle Valo 1606e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 1607e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 1608e705c121SKalle Valo if (ret) 1609e705c121SKalle Valo goto out_unref_phy; 1610e705c121SKalle Valo 1611d197358bSLuca Coelho ret = iwl_mvm_add_p2p_bcast_sta(mvm, vif); 1612e705c121SKalle Valo if (ret) 1613e705c121SKalle Valo goto out_unbind; 1614e705c121SKalle Valo 1615e705c121SKalle Valo /* Save a pointer to p2p device vif, so it can later be used to 1616e705c121SKalle Valo * update the p2p device MAC when a GO is started/stopped */ 1617e705c121SKalle Valo mvm->p2p_device_vif = vif; 1618e705c121SKalle Valo } 1619e705c121SKalle Valo 1620b0ffe455SJohannes Berg iwl_mvm_tcm_add_vif(mvm, vif); 1621b0ffe455SJohannes Berg 1622baf41bc3SShaul Triebitz if (vif->type == NL80211_IFTYPE_MONITOR) 1623baf41bc3SShaul Triebitz mvm->monitor_on = true; 1624baf41bc3SShaul Triebitz 1625e705c121SKalle Valo iwl_mvm_vif_dbgfs_register(mvm, vif); 1626e705c121SKalle Valo goto out_unlock; 1627e705c121SKalle Valo 1628e705c121SKalle Valo out_unbind: 1629e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1630e705c121SKalle Valo out_unref_phy: 1631e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 1632e705c121SKalle Valo out_free_bf: 1633e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1634e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1635e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1636e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1637e705c121SKalle Valo } 1638e705c121SKalle Valo out_remove_mac: 1639e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1640e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1641e705c121SKalle Valo out_release: 1642e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_P2P_DEVICE) 1643e705c121SKalle Valo mvm->vif_count--; 1644e705c121SKalle Valo out_unlock: 1645e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1646e705c121SKalle Valo 1647e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF); 1648e705c121SKalle Valo 1649e705c121SKalle Valo return ret; 1650e705c121SKalle Valo } 1651e705c121SKalle Valo 1652e705c121SKalle Valo static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1653e705c121SKalle Valo struct ieee80211_vif *vif) 1654e705c121SKalle Valo { 1655e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1656e705c121SKalle Valo /* 1657e705c121SKalle Valo * Flush the ROC worker which will flush the OFFCHANNEL queue. 1658e705c121SKalle Valo * We assume here that all the packets sent to the OFFCHANNEL 1659e705c121SKalle Valo * queue are sent in ROC session. 1660e705c121SKalle Valo */ 1661e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 1662e705c121SKalle Valo } 1663e705c121SKalle Valo } 1664e705c121SKalle Valo 1665e705c121SKalle Valo static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 1666e705c121SKalle Valo struct ieee80211_vif *vif) 1667e705c121SKalle Valo { 1668e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1669e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 167086e177d8SGregory Greenman struct iwl_probe_resp_data *probe_data; 1671e705c121SKalle Valo 1672e705c121SKalle Valo iwl_mvm_prepare_mac_removal(mvm, vif); 1673e705c121SKalle Valo 1674b0ffe455SJohannes Berg if (!(vif->type == NL80211_IFTYPE_AP || 1675b0ffe455SJohannes Berg vif->type == NL80211_IFTYPE_ADHOC)) 1676b0ffe455SJohannes Berg iwl_mvm_tcm_rm_vif(mvm, vif); 1677b0ffe455SJohannes Berg 1678e705c121SKalle Valo mutex_lock(&mvm->mutex); 1679e705c121SKalle Valo 168086e177d8SGregory Greenman probe_data = rcu_dereference_protected(mvmvif->probe_resp_data, 168186e177d8SGregory Greenman lockdep_is_held(&mvm->mutex)); 168286e177d8SGregory Greenman RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL); 168386e177d8SGregory Greenman if (probe_data) 168486e177d8SGregory Greenman kfree_rcu(probe_data, rcu_head); 168586e177d8SGregory Greenman 1686e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1687e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1688e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1689e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1690e705c121SKalle Valo } 1691e705c121SKalle Valo 1692b73f9a4aSJohannes Berg if (vif->bss_conf.ftm_responder) 1693b73f9a4aSJohannes Berg memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats)); 1694b73f9a4aSJohannes Berg 1695e705c121SKalle Valo iwl_mvm_vif_dbgfs_clean(mvm, vif); 1696e705c121SKalle Valo 1697e705c121SKalle Valo /* 1698e705c121SKalle Valo * For AP/GO interface, the tear down of the resources allocated to the 1699e705c121SKalle Valo * interface is be handled as part of the stop_ap flow. 1700e705c121SKalle Valo */ 1701e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1702e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 1703e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 1704e705c121SKalle Valo if (vif == mvm->noa_vif) { 1705e705c121SKalle Valo mvm->noa_vif = NULL; 1706e705c121SKalle Valo mvm->noa_duration = 0; 1707e705c121SKalle Valo } 1708e705c121SKalle Valo #endif 170926d6c16bSSara Sharon iwl_mvm_dealloc_int_sta(mvm, &mvmvif->mcast_sta); 1710e705c121SKalle Valo iwl_mvm_dealloc_bcast_sta(mvm, vif); 1711e705c121SKalle Valo goto out_release; 1712e705c121SKalle Valo } 1713e705c121SKalle Valo 1714e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1715e705c121SKalle Valo mvm->p2p_device_vif = NULL; 1716d197358bSLuca Coelho iwl_mvm_rm_p2p_bcast_sta(mvm, vif); 1717e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1718e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 1719e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1720e705c121SKalle Valo } 1721e705c121SKalle Valo 1722e705c121SKalle Valo if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE) 1723e705c121SKalle Valo mvm->vif_count--; 1724e705c121SKalle Valo 1725e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 1726e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1727e705c121SKalle Valo 1728698478c4SSara Sharon RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); 1729698478c4SSara Sharon 1730baf41bc3SShaul Triebitz if (vif->type == NL80211_IFTYPE_MONITOR) 1731baf41bc3SShaul Triebitz mvm->monitor_on = false; 1732baf41bc3SShaul Triebitz 1733e705c121SKalle Valo out_release: 1734e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1735e705c121SKalle Valo } 1736e705c121SKalle Valo 1737e705c121SKalle Valo static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed) 1738e705c121SKalle Valo { 1739e705c121SKalle Valo return 0; 1740e705c121SKalle Valo } 1741e705c121SKalle Valo 1742e705c121SKalle Valo struct iwl_mvm_mc_iter_data { 1743e705c121SKalle Valo struct iwl_mvm *mvm; 1744e705c121SKalle Valo int port_id; 1745e705c121SKalle Valo }; 1746e705c121SKalle Valo 1747e705c121SKalle Valo static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 1748e705c121SKalle Valo struct ieee80211_vif *vif) 1749e705c121SKalle Valo { 1750e705c121SKalle Valo struct iwl_mvm_mc_iter_data *data = _data; 1751e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1752e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 175397bce57bSLuca Coelho struct iwl_host_cmd hcmd = { 175497bce57bSLuca Coelho .id = MCAST_FILTER_CMD, 175597bce57bSLuca Coelho .flags = CMD_ASYNC, 175697bce57bSLuca Coelho .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 175797bce57bSLuca Coelho }; 1758e705c121SKalle Valo int ret, len; 1759e705c121SKalle Valo 1760e705c121SKalle Valo /* if we don't have free ports, mcast frames will be dropped */ 1761e705c121SKalle Valo if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 1762e705c121SKalle Valo return; 1763e705c121SKalle Valo 1764e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || 1765e705c121SKalle Valo !vif->bss_conf.assoc) 1766e705c121SKalle Valo return; 1767e705c121SKalle Valo 1768e705c121SKalle Valo cmd->port_id = data->port_id++; 1769e705c121SKalle Valo memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 1770e705c121SKalle Valo len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 1771e705c121SKalle Valo 177297bce57bSLuca Coelho hcmd.len[0] = len; 177397bce57bSLuca Coelho hcmd.data[0] = cmd; 177497bce57bSLuca Coelho 177597bce57bSLuca Coelho ret = iwl_mvm_send_cmd(mvm, &hcmd); 1776e705c121SKalle Valo if (ret) 1777e705c121SKalle Valo IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 1778e705c121SKalle Valo } 1779e705c121SKalle Valo 1780e705c121SKalle Valo static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 1781e705c121SKalle Valo { 1782e705c121SKalle Valo struct iwl_mvm_mc_iter_data iter_data = { 1783e705c121SKalle Valo .mvm = mvm, 1784e705c121SKalle Valo }; 1785e705c121SKalle Valo 1786e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1787e705c121SKalle Valo 1788e705c121SKalle Valo if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 1789e705c121SKalle Valo return; 1790e705c121SKalle Valo 1791e705c121SKalle Valo ieee80211_iterate_active_interfaces_atomic( 1792e705c121SKalle Valo mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1793e705c121SKalle Valo iwl_mvm_mc_iface_iterator, &iter_data); 1794e705c121SKalle Valo } 1795e705c121SKalle Valo 1796e705c121SKalle Valo static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 1797e705c121SKalle Valo struct netdev_hw_addr_list *mc_list) 1798e705c121SKalle Valo { 1799e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1800e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd; 1801e705c121SKalle Valo struct netdev_hw_addr *addr; 1802e705c121SKalle Valo int addr_count; 1803e705c121SKalle Valo bool pass_all; 1804e705c121SKalle Valo int len; 1805e705c121SKalle Valo 1806e705c121SKalle Valo addr_count = netdev_hw_addr_list_count(mc_list); 1807e705c121SKalle Valo pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 1808e705c121SKalle Valo IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 1809e705c121SKalle Valo if (pass_all) 1810e705c121SKalle Valo addr_count = 0; 1811e705c121SKalle Valo 1812e705c121SKalle Valo len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 1813e705c121SKalle Valo cmd = kzalloc(len, GFP_ATOMIC); 1814e705c121SKalle Valo if (!cmd) 1815e705c121SKalle Valo return 0; 1816e705c121SKalle Valo 1817e705c121SKalle Valo if (pass_all) { 1818e705c121SKalle Valo cmd->pass_all = 1; 1819e705c121SKalle Valo return (u64)(unsigned long)cmd; 1820e705c121SKalle Valo } 1821e705c121SKalle Valo 1822e705c121SKalle Valo netdev_hw_addr_list_for_each(addr, mc_list) { 1823e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 1824e705c121SKalle Valo cmd->count, addr->addr); 1825e705c121SKalle Valo memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 1826e705c121SKalle Valo addr->addr, ETH_ALEN); 1827e705c121SKalle Valo cmd->count++; 1828e705c121SKalle Valo } 1829e705c121SKalle Valo 1830e705c121SKalle Valo return (u64)(unsigned long)cmd; 1831e705c121SKalle Valo } 1832e705c121SKalle Valo 1833e705c121SKalle Valo static void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 1834e705c121SKalle Valo unsigned int changed_flags, 1835e705c121SKalle Valo unsigned int *total_flags, 1836e705c121SKalle Valo u64 multicast) 1837e705c121SKalle Valo { 1838e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1839e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; 1840e705c121SKalle Valo 1841e705c121SKalle Valo mutex_lock(&mvm->mutex); 1842e705c121SKalle Valo 1843e705c121SKalle Valo /* replace previous configuration */ 1844e705c121SKalle Valo kfree(mvm->mcast_filter_cmd); 1845e705c121SKalle Valo mvm->mcast_filter_cmd = cmd; 1846e705c121SKalle Valo 1847e705c121SKalle Valo if (!cmd) 1848e705c121SKalle Valo goto out; 1849e705c121SKalle Valo 185061e7d91bSLuca Coelho if (changed_flags & FIF_ALLMULTI) 185161e7d91bSLuca Coelho cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); 185261e7d91bSLuca Coelho 185361e7d91bSLuca Coelho if (cmd->pass_all) 185461e7d91bSLuca Coelho cmd->count = 0; 185561e7d91bSLuca Coelho 1856e705c121SKalle Valo iwl_mvm_recalc_multicast(mvm); 1857e705c121SKalle Valo out: 1858e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1859e705c121SKalle Valo *total_flags = 0; 1860e705c121SKalle Valo } 1861e705c121SKalle Valo 1862e705c121SKalle Valo static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 1863e705c121SKalle Valo struct ieee80211_vif *vif, 1864e705c121SKalle Valo unsigned int filter_flags, 1865e705c121SKalle Valo unsigned int changed_flags) 1866e705c121SKalle Valo { 1867e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1868e705c121SKalle Valo 1869e705c121SKalle Valo /* We support only filter for probe requests */ 1870e705c121SKalle Valo if (!(changed_flags & FIF_PROBE_REQ)) 1871e705c121SKalle Valo return; 1872e705c121SKalle Valo 1873e705c121SKalle Valo /* Supported only for p2p client interfaces */ 1874e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc || 1875e705c121SKalle Valo !vif->p2p) 1876e705c121SKalle Valo return; 1877e705c121SKalle Valo 1878e705c121SKalle Valo mutex_lock(&mvm->mutex); 1879e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1880e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1881e705c121SKalle Valo } 1882e705c121SKalle Valo 1883e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 1884e705c121SKalle Valo struct iwl_bcast_iter_data { 1885e705c121SKalle Valo struct iwl_mvm *mvm; 1886e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd; 1887e705c121SKalle Valo u8 current_filter; 1888e705c121SKalle Valo }; 1889e705c121SKalle Valo 1890e705c121SKalle Valo static void 1891e705c121SKalle Valo iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif, 1892e705c121SKalle Valo const struct iwl_fw_bcast_filter *in_filter, 1893e705c121SKalle Valo struct iwl_fw_bcast_filter *out_filter) 1894e705c121SKalle Valo { 1895e705c121SKalle Valo struct iwl_fw_bcast_filter_attr *attr; 1896e705c121SKalle Valo int i; 1897e705c121SKalle Valo 1898e705c121SKalle Valo memcpy(out_filter, in_filter, sizeof(*out_filter)); 1899e705c121SKalle Valo 1900e705c121SKalle Valo for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) { 1901e705c121SKalle Valo attr = &out_filter->attrs[i]; 1902e705c121SKalle Valo 1903e705c121SKalle Valo if (!attr->mask) 1904e705c121SKalle Valo break; 1905e705c121SKalle Valo 1906e705c121SKalle Valo switch (attr->reserved1) { 1907e705c121SKalle Valo case cpu_to_le16(BC_FILTER_MAGIC_IP): 1908e705c121SKalle Valo if (vif->bss_conf.arp_addr_cnt != 1) { 1909e705c121SKalle Valo attr->mask = 0; 1910e705c121SKalle Valo continue; 1911e705c121SKalle Valo } 1912e705c121SKalle Valo 1913e705c121SKalle Valo attr->val = vif->bss_conf.arp_addr_list[0]; 1914e705c121SKalle Valo break; 1915e705c121SKalle Valo case cpu_to_le16(BC_FILTER_MAGIC_MAC): 1916e705c121SKalle Valo attr->val = *(__be32 *)&vif->addr[2]; 1917e705c121SKalle Valo break; 1918e705c121SKalle Valo default: 1919e705c121SKalle Valo break; 1920e705c121SKalle Valo } 1921e705c121SKalle Valo attr->reserved1 = 0; 1922e705c121SKalle Valo out_filter->num_attrs++; 1923e705c121SKalle Valo } 1924e705c121SKalle Valo } 1925e705c121SKalle Valo 1926e705c121SKalle Valo static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac, 1927e705c121SKalle Valo struct ieee80211_vif *vif) 1928e705c121SKalle Valo { 1929e705c121SKalle Valo struct iwl_bcast_iter_data *data = _data; 1930e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1931e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd = data->cmd; 1932e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1933e705c121SKalle Valo struct iwl_fw_bcast_mac *bcast_mac; 1934e705c121SKalle Valo int i; 1935e705c121SKalle Valo 1936e705c121SKalle Valo if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs))) 1937e705c121SKalle Valo return; 1938e705c121SKalle Valo 1939e705c121SKalle Valo bcast_mac = &cmd->macs[mvmvif->id]; 1940e705c121SKalle Valo 1941e705c121SKalle Valo /* 1942e705c121SKalle Valo * enable filtering only for associated stations, but not for P2P 1943e705c121SKalle Valo * Clients 1944e705c121SKalle Valo */ 1945e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || vif->p2p || 1946e705c121SKalle Valo !vif->bss_conf.assoc) 1947e705c121SKalle Valo return; 1948e705c121SKalle Valo 1949e705c121SKalle Valo bcast_mac->default_discard = 1; 1950e705c121SKalle Valo 1951e705c121SKalle Valo /* copy all configured filters */ 1952e705c121SKalle Valo for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) { 1953e705c121SKalle Valo /* 1954e705c121SKalle Valo * Make sure we don't exceed our filters limit. 1955e705c121SKalle Valo * if there is still a valid filter to be configured, 1956e705c121SKalle Valo * be on the safe side and just allow bcast for this mac. 1957e705c121SKalle Valo */ 1958e705c121SKalle Valo if (WARN_ON_ONCE(data->current_filter >= 1959e705c121SKalle Valo ARRAY_SIZE(cmd->filters))) { 1960e705c121SKalle Valo bcast_mac->default_discard = 0; 1961e705c121SKalle Valo bcast_mac->attached_filters = 0; 1962e705c121SKalle Valo break; 1963e705c121SKalle Valo } 1964e705c121SKalle Valo 1965e705c121SKalle Valo iwl_mvm_set_bcast_filter(vif, 1966e705c121SKalle Valo &mvm->bcast_filters[i], 1967e705c121SKalle Valo &cmd->filters[data->current_filter]); 1968e705c121SKalle Valo 1969e705c121SKalle Valo /* skip current filter if it contains no attributes */ 1970e705c121SKalle Valo if (!cmd->filters[data->current_filter].num_attrs) 1971e705c121SKalle Valo continue; 1972e705c121SKalle Valo 1973e705c121SKalle Valo /* attach the filter to current mac */ 1974e705c121SKalle Valo bcast_mac->attached_filters |= 1975e705c121SKalle Valo cpu_to_le16(BIT(data->current_filter)); 1976e705c121SKalle Valo 1977e705c121SKalle Valo data->current_filter++; 1978e705c121SKalle Valo } 1979e705c121SKalle Valo } 1980e705c121SKalle Valo 1981e705c121SKalle Valo bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm, 1982e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd) 1983e705c121SKalle Valo { 1984e705c121SKalle Valo struct iwl_bcast_iter_data iter_data = { 1985e705c121SKalle Valo .mvm = mvm, 1986e705c121SKalle Valo .cmd = cmd, 1987e705c121SKalle Valo }; 1988e705c121SKalle Valo 1989e705c121SKalle Valo if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL) 1990e705c121SKalle Valo return false; 1991e705c121SKalle Valo 1992e705c121SKalle Valo memset(cmd, 0, sizeof(*cmd)); 1993e705c121SKalle Valo cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters); 1994e705c121SKalle Valo cmd->max_macs = ARRAY_SIZE(cmd->macs); 1995e705c121SKalle Valo 1996e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_DEBUGFS 1997e705c121SKalle Valo /* use debugfs filters/macs if override is configured */ 1998e705c121SKalle Valo if (mvm->dbgfs_bcast_filtering.override) { 1999e705c121SKalle Valo memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters, 2000e705c121SKalle Valo sizeof(cmd->filters)); 2001e705c121SKalle Valo memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs, 2002e705c121SKalle Valo sizeof(cmd->macs)); 2003e705c121SKalle Valo return true; 2004e705c121SKalle Valo } 2005e705c121SKalle Valo #endif 2006e705c121SKalle Valo 2007e705c121SKalle Valo /* if no filters are configured, do nothing */ 2008e705c121SKalle Valo if (!mvm->bcast_filters) 2009e705c121SKalle Valo return false; 2010e705c121SKalle Valo 2011e705c121SKalle Valo /* configure and attach these filters for each associated sta vif */ 2012e705c121SKalle Valo ieee80211_iterate_active_interfaces( 2013e705c121SKalle Valo mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2014e705c121SKalle Valo iwl_mvm_bcast_filter_iterator, &iter_data); 2015e705c121SKalle Valo 2016e705c121SKalle Valo return true; 2017e705c121SKalle Valo } 201834672bb3SEliad Peller 201934672bb3SEliad Peller static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm) 2020e705c121SKalle Valo { 2021e705c121SKalle Valo struct iwl_bcast_filter_cmd cmd; 2022e705c121SKalle Valo 2023e705c121SKalle Valo if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING)) 2024e705c121SKalle Valo return 0; 2025e705c121SKalle Valo 2026e705c121SKalle Valo if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) 2027e705c121SKalle Valo return 0; 2028e705c121SKalle Valo 2029e705c121SKalle Valo return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, 2030e705c121SKalle Valo sizeof(cmd), &cmd); 2031e705c121SKalle Valo } 2032e705c121SKalle Valo #else 203334672bb3SEliad Peller static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm) 2034e705c121SKalle Valo { 2035e705c121SKalle Valo return 0; 2036e705c121SKalle Valo } 2037e705c121SKalle Valo #endif 2038e705c121SKalle Valo 2039a07a8f37SSara Sharon static int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, 2040a07a8f37SSara Sharon struct ieee80211_vif *vif) 2041a07a8f37SSara Sharon { 2042a07a8f37SSara Sharon struct iwl_mu_group_mgmt_cmd cmd = {}; 2043a07a8f37SSara Sharon 2044a07a8f37SSara Sharon memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 2045a07a8f37SSara Sharon WLAN_MEMBERSHIP_LEN); 2046a07a8f37SSara Sharon memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 2047a07a8f37SSara Sharon WLAN_USER_POSITION_LEN); 2048a07a8f37SSara Sharon 2049a07a8f37SSara Sharon return iwl_mvm_send_cmd_pdu(mvm, 2050a07a8f37SSara Sharon WIDE_ID(DATA_PATH_GROUP, 2051a07a8f37SSara Sharon UPDATE_MU_GROUPS_CMD), 2052a07a8f37SSara Sharon 0, sizeof(cmd), &cmd); 2053a07a8f37SSara Sharon } 2054a07a8f37SSara Sharon 2055f92659a1SSara Sharon static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 2056f92659a1SSara Sharon struct ieee80211_vif *vif) 2057f92659a1SSara Sharon { 2058f92659a1SSara Sharon if (vif->mu_mimo_owner) { 2059f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = _data; 2060f92659a1SSara Sharon 2061f92659a1SSara Sharon /* 2062f92659a1SSara Sharon * MU-MIMO Group Id action frame is little endian. We treat 2063f92659a1SSara Sharon * the data received from firmware as if it came from the 2064f92659a1SSara Sharon * action frame, so no conversion is needed. 2065f92659a1SSara Sharon */ 2066f92659a1SSara Sharon ieee80211_update_mu_groups(vif, 2067f92659a1SSara Sharon (u8 *)¬if->membership_status, 2068f92659a1SSara Sharon (u8 *)¬if->user_position); 2069f92659a1SSara Sharon } 2070f92659a1SSara Sharon } 2071f92659a1SSara Sharon 2072f92659a1SSara Sharon void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 2073f92659a1SSara Sharon struct iwl_rx_cmd_buffer *rxb) 2074f92659a1SSara Sharon { 2075f92659a1SSara Sharon struct iwl_rx_packet *pkt = rxb_addr(rxb); 2076f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 2077f92659a1SSara Sharon 2078f92659a1SSara Sharon ieee80211_iterate_active_interfaces_atomic( 2079f92659a1SSara Sharon mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2080f92659a1SSara Sharon iwl_mvm_mu_mimo_iface_iterator, notif); 2081f92659a1SSara Sharon } 2082f92659a1SSara Sharon 2083514c3069SLuca Coelho static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) 2084514c3069SLuca Coelho { 2085514c3069SLuca Coelho u8 byte_num = ppe_pos_bit / 8; 2086514c3069SLuca Coelho u8 bit_num = ppe_pos_bit % 8; 2087514c3069SLuca Coelho u8 residue_bits; 2088514c3069SLuca Coelho u8 res; 2089514c3069SLuca Coelho 2090514c3069SLuca Coelho if (bit_num <= 5) 2091514c3069SLuca Coelho return (ppe[byte_num] >> bit_num) & 2092514c3069SLuca Coelho (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); 2093514c3069SLuca Coelho 2094514c3069SLuca Coelho /* 2095514c3069SLuca Coelho * If bit_num > 5, we have to combine bits with next byte. 2096514c3069SLuca Coelho * Calculate how many bits we need to take from current byte (called 2097514c3069SLuca Coelho * here "residue_bits"), and add them to bits from next byte. 2098514c3069SLuca Coelho */ 2099514c3069SLuca Coelho 2100514c3069SLuca Coelho residue_bits = 8 - bit_num; 2101514c3069SLuca Coelho 2102514c3069SLuca Coelho res = (ppe[byte_num + 1] & 2103514c3069SLuca Coelho (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << 2104514c3069SLuca Coelho residue_bits; 2105514c3069SLuca Coelho res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); 2106514c3069SLuca Coelho 2107514c3069SLuca Coelho return res; 2108514c3069SLuca Coelho } 2109514c3069SLuca Coelho 2110514c3069SLuca Coelho static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, 2111514c3069SLuca Coelho struct ieee80211_vif *vif, u8 sta_id) 2112514c3069SLuca Coelho { 2113514c3069SLuca Coelho struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2114514c3069SLuca Coelho struct iwl_he_sta_context_cmd sta_ctxt_cmd = { 2115514c3069SLuca Coelho .sta_id = sta_id, 2116514c3069SLuca Coelho .tid_limit = IWL_MAX_TID_COUNT, 2117514c3069SLuca Coelho .bss_color = vif->bss_conf.bss_color, 2118514c3069SLuca Coelho .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, 2119514c3069SLuca Coelho .frame_time_rts_th = 2120514c3069SLuca Coelho cpu_to_le16(vif->bss_conf.frame_time_rts_th), 2121514c3069SLuca Coelho }; 2122514c3069SLuca Coelho struct ieee80211_sta *sta; 2123514c3069SLuca Coelho u32 flags; 2124514c3069SLuca Coelho int i; 2125514c3069SLuca Coelho 2126514c3069SLuca Coelho rcu_read_lock(); 2127514c3069SLuca Coelho 2128514c3069SLuca Coelho sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); 2129514c3069SLuca Coelho if (IS_ERR(sta)) { 2130514c3069SLuca Coelho rcu_read_unlock(); 2131514c3069SLuca Coelho WARN(1, "Can't find STA to configure HE\n"); 2132514c3069SLuca Coelho return; 2133514c3069SLuca Coelho } 2134514c3069SLuca Coelho 2135514c3069SLuca Coelho if (!sta->he_cap.has_he) { 2136514c3069SLuca Coelho rcu_read_unlock(); 2137514c3069SLuca Coelho return; 2138514c3069SLuca Coelho } 2139514c3069SLuca Coelho 2140514c3069SLuca Coelho flags = 0; 2141514c3069SLuca Coelho 2142514c3069SLuca Coelho /* HTC flags */ 2143514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[0] & 2144514c3069SLuca Coelho IEEE80211_HE_MAC_CAP0_HTC_HE) 2145514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); 2146514c3069SLuca Coelho if ((sta->he_cap.he_cap_elem.mac_cap_info[1] & 2147514c3069SLuca Coelho IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || 2148514c3069SLuca Coelho (sta->he_cap.he_cap_elem.mac_cap_info[2] & 2149514c3069SLuca Coelho IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { 2150514c3069SLuca Coelho u8 link_adap = 2151514c3069SLuca Coelho ((sta->he_cap.he_cap_elem.mac_cap_info[2] & 2152514c3069SLuca Coelho IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + 2153514c3069SLuca Coelho (sta->he_cap.he_cap_elem.mac_cap_info[1] & 2154514c3069SLuca Coelho IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); 2155514c3069SLuca Coelho 2156514c3069SLuca Coelho if (link_adap == 2) 2157514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= 2158514c3069SLuca Coelho cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); 2159514c3069SLuca Coelho else if (link_adap == 3) 2160514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= 2161514c3069SLuca Coelho cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); 2162514c3069SLuca Coelho } 2163514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) 2164514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); 2165514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[3] & 2166514c3069SLuca Coelho IEEE80211_HE_MAC_CAP3_OMI_CONTROL) 2167514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); 2168514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) 2169514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); 2170514c3069SLuca Coelho 2171189b8d44SNaftali Goldstein /* 2172189b8d44SNaftali Goldstein * Initialize the PPE thresholds to "None" (7), as described in Table 2173189b8d44SNaftali Goldstein * 9-262ac of 80211.ax/D3.0. 2174189b8d44SNaftali Goldstein */ 2175189b8d44SNaftali Goldstein memset(&sta_ctxt_cmd.pkt_ext, 7, sizeof(sta_ctxt_cmd.pkt_ext)); 2176189b8d44SNaftali Goldstein 2177189b8d44SNaftali Goldstein /* If PPE Thresholds exist, parse them into a FW-familiar format. */ 2178514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.phy_cap_info[6] & 2179514c3069SLuca Coelho IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2180514c3069SLuca Coelho u8 nss = (sta->he_cap.ppe_thres[0] & 2181514c3069SLuca Coelho IEEE80211_PPE_THRES_NSS_MASK) + 1; 2182514c3069SLuca Coelho u8 ru_index_bitmap = 2183514c3069SLuca Coelho (sta->he_cap.ppe_thres[0] & 2184514c3069SLuca Coelho IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK) >> 2185514c3069SLuca Coelho IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS; 2186514c3069SLuca Coelho u8 *ppe = &sta->he_cap.ppe_thres[0]; 2187514c3069SLuca Coelho u8 ppe_pos_bit = 7; /* Starting after PPE header */ 2188514c3069SLuca Coelho 2189514c3069SLuca Coelho /* 2190514c3069SLuca Coelho * FW currently supports only nss == MAX_HE_SUPP_NSS 2191514c3069SLuca Coelho * 2192514c3069SLuca Coelho * If nss > MAX: we can ignore values we don't support 2193514c3069SLuca Coelho * If nss < MAX: we can set zeros in other streams 2194514c3069SLuca Coelho */ 2195514c3069SLuca Coelho if (nss > MAX_HE_SUPP_NSS) { 2196514c3069SLuca Coelho IWL_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, 2197514c3069SLuca Coelho MAX_HE_SUPP_NSS); 2198514c3069SLuca Coelho nss = MAX_HE_SUPP_NSS; 2199514c3069SLuca Coelho } 2200514c3069SLuca Coelho 2201514c3069SLuca Coelho for (i = 0; i < nss; i++) { 2202514c3069SLuca Coelho u8 ru_index_tmp = ru_index_bitmap << 1; 2203514c3069SLuca Coelho u8 bw; 2204514c3069SLuca Coelho 2205514c3069SLuca Coelho for (bw = 0; bw < MAX_HE_CHANNEL_BW_INDX; bw++) { 2206514c3069SLuca Coelho ru_index_tmp >>= 1; 2207514c3069SLuca Coelho if (!(ru_index_tmp & 1)) 2208514c3069SLuca Coelho continue; 2209514c3069SLuca Coelho 2210514c3069SLuca Coelho sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][1] = 2211514c3069SLuca Coelho iwl_mvm_he_get_ppe_val(ppe, 2212514c3069SLuca Coelho ppe_pos_bit); 2213514c3069SLuca Coelho ppe_pos_bit += 2214514c3069SLuca Coelho IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2215514c3069SLuca Coelho sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][0] = 2216514c3069SLuca Coelho iwl_mvm_he_get_ppe_val(ppe, 2217514c3069SLuca Coelho ppe_pos_bit); 2218514c3069SLuca Coelho ppe_pos_bit += 2219514c3069SLuca Coelho IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2220514c3069SLuca Coelho } 2221514c3069SLuca Coelho } 2222514c3069SLuca Coelho 2223514c3069SLuca Coelho flags |= STA_CTXT_HE_PACKET_EXT; 2224514c3069SLuca Coelho } 2225514c3069SLuca Coelho rcu_read_unlock(); 2226514c3069SLuca Coelho 2227514c3069SLuca Coelho /* Mark MU EDCA as enabled, unless none detected on some AC */ 2228514c3069SLuca Coelho flags |= STA_CTXT_HE_MU_EDCA_CW; 2229514c3069SLuca Coelho for (i = 0; i < AC_NUM; i++) { 2230514c3069SLuca Coelho struct ieee80211_he_mu_edca_param_ac_rec *mu_edca = 2231514c3069SLuca Coelho &mvmvif->queue_params[i].mu_edca_param_rec; 2232514c3069SLuca Coelho 2233514c3069SLuca Coelho if (!mvmvif->queue_params[i].mu_edca) { 2234514c3069SLuca Coelho flags &= ~STA_CTXT_HE_MU_EDCA_CW; 2235514c3069SLuca Coelho break; 2236514c3069SLuca Coelho } 2237514c3069SLuca Coelho 2238514c3069SLuca Coelho sta_ctxt_cmd.trig_based_txf[i].cwmin = 2239514c3069SLuca Coelho cpu_to_le16(mu_edca->ecw_min_max & 0xf); 2240514c3069SLuca Coelho sta_ctxt_cmd.trig_based_txf[i].cwmax = 2241514c3069SLuca Coelho cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); 2242514c3069SLuca Coelho sta_ctxt_cmd.trig_based_txf[i].aifsn = 2243514c3069SLuca Coelho cpu_to_le16(mu_edca->aifsn); 2244514c3069SLuca Coelho sta_ctxt_cmd.trig_based_txf[i].mu_time = 2245514c3069SLuca Coelho cpu_to_le16(mu_edca->mu_edca_timer); 2246514c3069SLuca Coelho } 2247514c3069SLuca Coelho 2248514c3069SLuca Coelho if (vif->bss_conf.multi_sta_back_32bit) 2249514c3069SLuca Coelho flags |= STA_CTXT_HE_32BIT_BA_BITMAP; 2250514c3069SLuca Coelho 2251514c3069SLuca Coelho if (vif->bss_conf.ack_enabled) 2252514c3069SLuca Coelho flags |= STA_CTXT_HE_ACK_ENABLED; 2253514c3069SLuca Coelho 2254514c3069SLuca Coelho if (vif->bss_conf.uora_exists) { 2255514c3069SLuca Coelho flags |= STA_CTXT_HE_TRIG_RND_ALLOC; 2256514c3069SLuca Coelho 2257514c3069SLuca Coelho sta_ctxt_cmd.rand_alloc_ecwmin = 2258514c3069SLuca Coelho vif->bss_conf.uora_ocw_range & 0x7; 2259514c3069SLuca Coelho sta_ctxt_cmd.rand_alloc_ecwmax = 2260514c3069SLuca Coelho (vif->bss_conf.uora_ocw_range >> 3) & 0x7; 2261514c3069SLuca Coelho } 2262514c3069SLuca Coelho 2263514c3069SLuca Coelho /* TODO: support Multi BSSID IE */ 2264514c3069SLuca Coelho 2265514c3069SLuca Coelho sta_ctxt_cmd.flags = cpu_to_le32(flags); 2266514c3069SLuca Coelho 2267514c3069SLuca Coelho if (iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(STA_HE_CTXT_CMD, 2268514c3069SLuca Coelho DATA_PATH_GROUP, 0), 2269514c3069SLuca Coelho 0, sizeof(sta_ctxt_cmd), &sta_ctxt_cmd)) 2270514c3069SLuca Coelho IWL_ERR(mvm, "Failed to config FW to work HE!\n"); 2271514c3069SLuca Coelho } 2272514c3069SLuca Coelho 2273e705c121SKalle Valo static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 2274e705c121SKalle Valo struct ieee80211_vif *vif, 2275e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2276e705c121SKalle Valo u32 changes) 2277e705c121SKalle Valo { 2278e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2279e705c121SKalle Valo int ret; 2280e705c121SKalle Valo 2281e705c121SKalle Valo /* 2282e705c121SKalle Valo * Re-calculate the tsf id, as the master-slave relations depend on the 2283e705c121SKalle Valo * beacon interval, which was not known when the station interface was 2284e705c121SKalle Valo * added. 2285e705c121SKalle Valo */ 2286514c3069SLuca Coelho if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc) { 2287230ba6c5SLuca Coelho if (vif->bss_conf.he_support && 2288230ba6c5SLuca Coelho !iwlwifi_mod_params.disable_11ax) 2289514c3069SLuca Coelho iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id); 2290514c3069SLuca Coelho 2291e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2292514c3069SLuca Coelho } 2293e705c121SKalle Valo 229440ecdd01SShaul Triebitz /* Update MU EDCA params */ 229540ecdd01SShaul Triebitz if (changes & BSS_CHANGED_QOS && mvmvif->associated && 229640ecdd01SShaul Triebitz bss_conf->assoc && vif->bss_conf.he_support && 229740ecdd01SShaul Triebitz !iwlwifi_mod_params.disable_11ax) 229840ecdd01SShaul Triebitz iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id); 229940ecdd01SShaul Triebitz 2300e705c121SKalle Valo /* 2301e705c121SKalle Valo * If we're not associated yet, take the (new) BSSID before associating 2302e705c121SKalle Valo * so the firmware knows. If we're already associated, then use the old 2303e705c121SKalle Valo * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 2304e705c121SKalle Valo * branch for disassociation below. 2305e705c121SKalle Valo */ 2306e705c121SKalle Valo if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 2307e705c121SKalle Valo memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); 2308e705c121SKalle Valo 2309e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid); 2310e705c121SKalle Valo if (ret) 2311e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2312e705c121SKalle Valo 2313e705c121SKalle Valo /* after sending it once, adopt mac80211 data */ 2314e705c121SKalle Valo memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); 2315e705c121SKalle Valo mvmvif->associated = bss_conf->assoc; 2316e705c121SKalle Valo 2317e705c121SKalle Valo if (changes & BSS_CHANGED_ASSOC) { 2318e705c121SKalle Valo if (bss_conf->assoc) { 2319e705c121SKalle Valo /* clear statistics to get clean beacon counter */ 2320e705c121SKalle Valo iwl_mvm_request_statistics(mvm, true); 2321e705c121SKalle Valo memset(&mvmvif->beacon_stats, 0, 2322e705c121SKalle Valo sizeof(mvmvif->beacon_stats)); 2323e705c121SKalle Valo 2324e705c121SKalle Valo /* add quota for this interface */ 2325e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 2326e705c121SKalle Valo if (ret) { 2327e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 2328e705c121SKalle Valo return; 2329e705c121SKalle Valo } 2330e705c121SKalle Valo 2331e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2332e705c121SKalle Valo &mvm->status)) { 2333e705c121SKalle Valo /* 2334e705c121SKalle Valo * If we're restarting then the firmware will 2335e705c121SKalle Valo * obviously have lost synchronisation with 2336e705c121SKalle Valo * the AP. It will attempt to synchronise by 2337e705c121SKalle Valo * itself, but we can make it more reliable by 2338e705c121SKalle Valo * scheduling a session protection time event. 2339e705c121SKalle Valo * 2340e705c121SKalle Valo * The firmware needs to receive a beacon to 2341e705c121SKalle Valo * catch up with synchronisation, use 110% of 2342e705c121SKalle Valo * the beacon interval. 2343e705c121SKalle Valo * 2344e705c121SKalle Valo * Set a large maximum delay to allow for more 2345e705c121SKalle Valo * than a single interface. 2346e705c121SKalle Valo */ 2347e705c121SKalle Valo u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 2348e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, dur, dur, 2349e705c121SKalle Valo 5 * dur, false); 2350e705c121SKalle Valo } 2351e705c121SKalle Valo 2352e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 2353e705c121SKalle Valo iwl_mvm_power_vif_assoc(mvm, vif); 2354e705c121SKalle Valo if (vif->p2p) { 2355e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT); 2356e705c121SKalle Valo iwl_mvm_update_smps(mvm, vif, 2357e705c121SKalle Valo IWL_MVM_SMPS_REQ_PROT, 2358e705c121SKalle Valo IEEE80211_SMPS_DYNAMIC); 2359e705c121SKalle Valo } 23600ae98812SSara Sharon } else if (mvmvif->ap_sta_id != IWL_MVM_INVALID_STA) { 2361e705c121SKalle Valo /* 2362e705c121SKalle Valo * If update fails - SF might be running in associated 2363e705c121SKalle Valo * mode while disassociated - which is forbidden. 2364e705c121SKalle Valo */ 2365e705c121SKalle Valo WARN_ONCE(iwl_mvm_sf_update(mvm, vif, false), 2366e705c121SKalle Valo "Failed to update SF upon disassociation\n"); 2367e705c121SKalle Valo 23686b28f978SEmmanuel Grumbach /* 23696b28f978SEmmanuel Grumbach * If we get an assert during the connection (after the 23706b28f978SEmmanuel Grumbach * station has been added, but before the vif is set 23716b28f978SEmmanuel Grumbach * to associated), mac80211 will re-add the station and 23726b28f978SEmmanuel Grumbach * then configure the vif. Since the vif is not 23736b28f978SEmmanuel Grumbach * associated, we would remove the station here and 23746b28f978SEmmanuel Grumbach * this would fail the recovery. 23756b28f978SEmmanuel Grumbach */ 23766b28f978SEmmanuel Grumbach if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 23776b28f978SEmmanuel Grumbach &mvm->status)) { 23786b28f978SEmmanuel Grumbach /* 23796b28f978SEmmanuel Grumbach * Remove AP station now that 23806b28f978SEmmanuel Grumbach * the MAC is unassoc 23816b28f978SEmmanuel Grumbach */ 23826b28f978SEmmanuel Grumbach ret = iwl_mvm_rm_sta_id(mvm, vif, 23836b28f978SEmmanuel Grumbach mvmvif->ap_sta_id); 2384e705c121SKalle Valo if (ret) 23856b28f978SEmmanuel Grumbach IWL_ERR(mvm, 23866b28f978SEmmanuel Grumbach "failed to remove AP station\n"); 2387e705c121SKalle Valo 2388e705c121SKalle Valo if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id) 23896b28f978SEmmanuel Grumbach mvm->d0i3_ap_sta_id = 23906b28f978SEmmanuel Grumbach IWL_MVM_INVALID_STA; 23910ae98812SSara Sharon mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; 23926b28f978SEmmanuel Grumbach } 23936b28f978SEmmanuel Grumbach 2394e705c121SKalle Valo /* remove quota for this interface */ 2395e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2396e705c121SKalle Valo if (ret) 2397e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 2398e705c121SKalle Valo 2399e705c121SKalle Valo if (vif->p2p) 2400e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT); 2401e705c121SKalle Valo 2402e705c121SKalle Valo /* this will take the cleared BSSID from bss_conf */ 2403e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2404e705c121SKalle Valo if (ret) 2405e705c121SKalle Valo IWL_ERR(mvm, 2406e705c121SKalle Valo "failed to update MAC %pM (clear after unassoc)\n", 2407e705c121SKalle Valo vif->addr); 2408e705c121SKalle Valo } 2409e705c121SKalle Valo 2410a07a8f37SSara Sharon /* 2411a07a8f37SSara Sharon * The firmware tracks the MU-MIMO group on its own. 2412f92659a1SSara Sharon * However, on HW restart we should restore this data. 2413a07a8f37SSara Sharon */ 2414a07a8f37SSara Sharon if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2415f92659a1SSara Sharon (changes & BSS_CHANGED_MU_GROUPS) && vif->mu_mimo_owner) { 2416a07a8f37SSara Sharon ret = iwl_mvm_update_mu_groups(mvm, vif); 2417a07a8f37SSara Sharon if (ret) 2418a07a8f37SSara Sharon IWL_ERR(mvm, 2419a07a8f37SSara Sharon "failed to update VHT MU_MIMO groups\n"); 2420a07a8f37SSara Sharon } 2421a07a8f37SSara Sharon 2422e705c121SKalle Valo iwl_mvm_recalc_multicast(mvm); 242334672bb3SEliad Peller iwl_mvm_configure_bcast_filter(mvm); 2424e705c121SKalle Valo 2425e705c121SKalle Valo /* reset rssi values */ 2426e705c121SKalle Valo mvmvif->bf_data.ave_beacon_signal = 0; 2427e705c121SKalle Valo 2428e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2429e705c121SKalle Valo iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2430e705c121SKalle Valo IEEE80211_SMPS_AUTOMATIC); 2431355346baSAvraham Stern if (fw_has_capa(&mvm->fw->ucode_capa, 2432355346baSAvraham Stern IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2433355346baSAvraham Stern iwl_mvm_config_scan(mvm); 2434b45242c9SAvraham Stern } 2435b45242c9SAvraham Stern 2436b45242c9SAvraham Stern if (changes & BSS_CHANGED_BEACON_INFO) { 2437e705c121SKalle Valo /* 2438b45242c9SAvraham Stern * We received a beacon from the associated AP so 2439e705c121SKalle Valo * remove the session protection. 2440e705c121SKalle Valo */ 24413edfb5f4SAvraham Stern iwl_mvm_stop_session_protection(mvm, vif); 2442e705c121SKalle Valo 2443e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 2444e705c121SKalle Valo WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 2445e705c121SKalle Valo } 2446e705c121SKalle Valo 2447283115fbSAvri Altman if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2448283115fbSAvri Altman /* 2449283115fbSAvri Altman * Send power command on every beacon change, 2450283115fbSAvri Altman * because we may have not enabled beacon abort yet. 2451283115fbSAvri Altman */ 2452283115fbSAvri Altman BSS_CHANGED_BEACON_INFO)) { 2453e705c121SKalle Valo ret = iwl_mvm_power_update_mac(mvm); 2454e705c121SKalle Valo if (ret) 2455e705c121SKalle Valo IWL_ERR(mvm, "failed to update power mode\n"); 2456e705c121SKalle Valo } 2457e705c121SKalle Valo 2458e705c121SKalle Valo if (changes & BSS_CHANGED_TXPOWER) { 2459e705c121SKalle Valo IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", 2460e705c121SKalle Valo bss_conf->txpower); 2461e705c121SKalle Valo iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 2462e705c121SKalle Valo } 2463e705c121SKalle Valo 2464e705c121SKalle Valo if (changes & BSS_CHANGED_CQM) { 2465e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n"); 2466e705c121SKalle Valo /* reset cqm events tracking */ 2467e705c121SKalle Valo mvmvif->bf_data.last_cqm_event = 0; 2468e705c121SKalle Valo if (mvmvif->bf_data.bf_enabled) { 2469e705c121SKalle Valo ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 2470e705c121SKalle Valo if (ret) 2471e705c121SKalle Valo IWL_ERR(mvm, 2472e705c121SKalle Valo "failed to update CQM thresholds\n"); 2473e705c121SKalle Valo } 2474e705c121SKalle Valo } 2475e705c121SKalle Valo 2476e705c121SKalle Valo if (changes & BSS_CHANGED_ARP_FILTER) { 2477e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "arp filter changed\n"); 247834672bb3SEliad Peller iwl_mvm_configure_bcast_filter(mvm); 2479e705c121SKalle Valo } 2480e705c121SKalle Valo } 2481e705c121SKalle Valo 2482e705c121SKalle Valo static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 2483e705c121SKalle Valo struct ieee80211_vif *vif) 2484e705c121SKalle Valo { 2485e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2486e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2487e705c121SKalle Valo int ret; 2488e705c121SKalle Valo 2489e705c121SKalle Valo /* 2490e705c121SKalle Valo * iwl_mvm_mac_ctxt_add() might read directly from the device 2491e705c121SKalle Valo * (the system time), so make sure it is available. 2492e705c121SKalle Valo */ 2493e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP); 2494e705c121SKalle Valo if (ret) 2495e705c121SKalle Valo return ret; 2496e705c121SKalle Valo 2497e705c121SKalle Valo mutex_lock(&mvm->mutex); 2498e705c121SKalle Valo 2499e705c121SKalle Valo /* Send the beacon template */ 2500e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif); 2501e705c121SKalle Valo if (ret) 2502e705c121SKalle Valo goto out_unlock; 2503e705c121SKalle Valo 2504e705c121SKalle Valo /* 2505e705c121SKalle Valo * Re-calculate the tsf id, as the master-slave relations depend on the 2506e705c121SKalle Valo * beacon interval, which was not known when the AP interface was added. 2507e705c121SKalle Valo */ 2508e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) 2509e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2510e705c121SKalle Valo 2511e705c121SKalle Valo mvmvif->ap_assoc_sta_count = 0; 2512e705c121SKalle Valo 2513e705c121SKalle Valo /* Add the mac context */ 2514e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 2515e705c121SKalle Valo if (ret) 2516e705c121SKalle Valo goto out_unlock; 2517e705c121SKalle Valo 2518e705c121SKalle Valo /* Perform the binding */ 2519e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 2520e705c121SKalle Valo if (ret) 2521e705c121SKalle Valo goto out_remove; 2522e705c121SKalle Valo 252363dd5d02SSara Sharon /* 252463dd5d02SSara Sharon * This is not very nice, but the simplest: 252563dd5d02SSara Sharon * For older FWs adding the mcast sta before the bcast station may 252663dd5d02SSara Sharon * cause assert 0x2b00. 252763dd5d02SSara Sharon * This is fixed in later FW so make the order of removal depend on 252863dd5d02SSara Sharon * the TLV 252963dd5d02SSara Sharon */ 253063dd5d02SSara Sharon if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { 2531ced19f26SSara Sharon ret = iwl_mvm_add_mcast_sta(mvm, vif); 2532ced19f26SSara Sharon if (ret) 2533ced19f26SSara Sharon goto out_unbind; 253463dd5d02SSara Sharon /* 253563dd5d02SSara Sharon * Send the bcast station. At this stage the TBTT and DTIM time 253663dd5d02SSara Sharon * events are added and applied to the scheduler 253763dd5d02SSara Sharon */ 2538e705c121SKalle Valo ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 253963dd5d02SSara Sharon if (ret) { 254063dd5d02SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 254163dd5d02SSara Sharon goto out_unbind; 254263dd5d02SSara Sharon } 254363dd5d02SSara Sharon } else { 254463dd5d02SSara Sharon /* 254563dd5d02SSara Sharon * Send the bcast station. At this stage the TBTT and DTIM time 254663dd5d02SSara Sharon * events are added and applied to the scheduler 254763dd5d02SSara Sharon */ 254875fd4fecSJohannes Berg ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 2549e705c121SKalle Valo if (ret) 255063dd5d02SSara Sharon goto out_unbind; 255175fd4fecSJohannes Berg ret = iwl_mvm_add_mcast_sta(mvm, vif); 255263dd5d02SSara Sharon if (ret) { 255363dd5d02SSara Sharon iwl_mvm_send_rm_bcast_sta(mvm, vif); 255463dd5d02SSara Sharon goto out_unbind; 255563dd5d02SSara Sharon } 255663dd5d02SSara Sharon } 255726d6c16bSSara Sharon 2558e705c121SKalle Valo /* must be set before quota calculations */ 2559e705c121SKalle Valo mvmvif->ap_ibss_active = true; 2560e705c121SKalle Valo 256147242744STova Mussai if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 256247242744STova Mussai iwl_mvm_vif_set_low_latency(mvmvif, true, 256347242744STova Mussai LOW_LATENCY_VIF_TYPE); 256447242744STova Mussai iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); 256547242744STova Mussai } 256647242744STova Mussai 2567e705c121SKalle Valo /* power updated needs to be done before quotas */ 2568e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2569e705c121SKalle Valo 2570e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2571e705c121SKalle Valo if (ret) 2572e705c121SKalle Valo goto out_quota_failed; 2573e705c121SKalle Valo 2574e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2575e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2576e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2577e705c121SKalle Valo 2578e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS); 2579e705c121SKalle Valo 2580e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2581e705c121SKalle Valo 2582e705c121SKalle Valo /* we don't support TDLS during DCM */ 2583e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 2584e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 2585e705c121SKalle Valo 2586b73f9a4aSJohannes Berg iwl_mvm_ftm_restart_responder(mvm, vif); 2587b73f9a4aSJohannes Berg 2588e705c121SKalle Valo goto out_unlock; 2589e705c121SKalle Valo 2590e705c121SKalle Valo out_quota_failed: 2591e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2592e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2593e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2594ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2595e705c121SKalle Valo out_unbind: 2596e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2597e705c121SKalle Valo out_remove: 2598e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2599e705c121SKalle Valo out_unlock: 2600e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2601e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP); 2602e705c121SKalle Valo return ret; 2603e705c121SKalle Valo } 2604e705c121SKalle Valo 2605e705c121SKalle Valo static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 2606e705c121SKalle Valo struct ieee80211_vif *vif) 2607e705c121SKalle Valo { 2608e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2609e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2610e705c121SKalle Valo 2611e705c121SKalle Valo iwl_mvm_prepare_mac_removal(mvm, vif); 2612e705c121SKalle Valo 2613e705c121SKalle Valo mutex_lock(&mvm->mutex); 2614e705c121SKalle Valo 2615e705c121SKalle Valo /* Handle AP stop while in CSA */ 2616e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_vif) == vif) { 2617e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, 2618e705c121SKalle Valo &mvmvif->time_event_data); 2619e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_vif, NULL); 2620e705c121SKalle Valo mvmvif->csa_countdown = false; 2621e705c121SKalle Valo } 2622e705c121SKalle Valo 2623e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 2624e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 2625e705c121SKalle Valo mvm->csa_tx_block_bcn_timeout = 0; 2626e705c121SKalle Valo } 2627e705c121SKalle Valo 2628e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2629e705c121SKalle Valo mvm->ap_last_beacon_gp2 = 0; 2630e705c121SKalle Valo 263147242744STova Mussai if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 263247242744STova Mussai iwl_mvm_vif_set_low_latency(mvmvif, false, 263347242744STova Mussai LOW_LATENCY_VIF_TYPE); 263447242744STova Mussai iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); 263547242744STova Mussai } 263647242744STova Mussai 2637e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2638e705c121SKalle Valo 2639e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS); 2640e705c121SKalle Valo 2641e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2642e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2643e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2644e705c121SKalle Valo 2645e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 2646ced19f26SSara Sharon 2647ced19f26SSara Sharon /* 2648ced19f26SSara Sharon * This is not very nice, but the simplest: 2649ced19f26SSara Sharon * For older FWs removing the mcast sta before the bcast station may 2650ced19f26SSara Sharon * cause assert 0x2b00. 2651ced19f26SSara Sharon * This is fixed in later FW (which will stop beaconing when removing 2652ced19f26SSara Sharon * bcast station). 2653ced19f26SSara Sharon * So make the order of removal depend on the TLV 2654ced19f26SSara Sharon */ 2655ced19f26SSara Sharon if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 265626d6c16bSSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2657e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2658ced19f26SSara Sharon if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 2659ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2660e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2661e705c121SKalle Valo 2662e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2663e705c121SKalle Valo 2664e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2665e705c121SKalle Valo 2666337bfc98SAvraham Stern kfree(mvmvif->ap_wep_key); 2667337bfc98SAvraham Stern mvmvif->ap_wep_key = NULL; 2668337bfc98SAvraham Stern 2669e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2670e705c121SKalle Valo } 2671e705c121SKalle Valo 2672e705c121SKalle Valo static void 2673e705c121SKalle Valo iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 2674e705c121SKalle Valo struct ieee80211_vif *vif, 2675e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2676e705c121SKalle Valo u32 changes) 2677e705c121SKalle Valo { 2678e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2679e705c121SKalle Valo 2680e705c121SKalle Valo /* Changes will be applied when the AP/IBSS is started */ 2681e705c121SKalle Valo if (!mvmvif->ap_ibss_active) 2682e705c121SKalle Valo return; 2683e705c121SKalle Valo 2684e705c121SKalle Valo if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 2685e705c121SKalle Valo BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 2686e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 2687e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2688e705c121SKalle Valo 2689e705c121SKalle Valo /* Need to send a new beacon template to the FW */ 2690e705c121SKalle Valo if (changes & BSS_CHANGED_BEACON && 2691e705c121SKalle Valo iwl_mvm_mac_ctxt_beacon_changed(mvm, vif)) 2692e705c121SKalle Valo IWL_WARN(mvm, "Failed updating beacon data\n"); 2693e705c121SKalle Valo 2694e705c121SKalle Valo if (changes & BSS_CHANGED_TXPOWER) { 2695e705c121SKalle Valo IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", 2696e705c121SKalle Valo bss_conf->txpower); 2697e705c121SKalle Valo iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 2698e705c121SKalle Valo } 2699b73f9a4aSJohannes Berg 2700b73f9a4aSJohannes Berg if (changes & BSS_CHANGED_FTM_RESPONDER) { 2701b73f9a4aSJohannes Berg int ret = iwl_mvm_ftm_start_responder(mvm, vif); 2702b73f9a4aSJohannes Berg 2703b73f9a4aSJohannes Berg if (ret) 2704b73f9a4aSJohannes Berg IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n", 2705b73f9a4aSJohannes Berg ret); 2706b73f9a4aSJohannes Berg } 2707b73f9a4aSJohannes Berg 2708e705c121SKalle Valo } 2709e705c121SKalle Valo 2710e705c121SKalle Valo static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 2711e705c121SKalle Valo struct ieee80211_vif *vif, 2712e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2713e705c121SKalle Valo u32 changes) 2714e705c121SKalle Valo { 2715e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2716e705c121SKalle Valo 2717e705c121SKalle Valo /* 2718e705c121SKalle Valo * iwl_mvm_bss_info_changed_station() might call 2719e705c121SKalle Valo * iwl_mvm_protect_session(), which reads directly from 2720e705c121SKalle Valo * the device (the system time), so make sure it is available. 2721e705c121SKalle Valo */ 2722e705c121SKalle Valo if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED)) 2723e705c121SKalle Valo return; 2724e705c121SKalle Valo 2725e705c121SKalle Valo mutex_lock(&mvm->mutex); 2726e705c121SKalle Valo 2727e705c121SKalle Valo if (changes & BSS_CHANGED_IDLE && !bss_conf->idle) 2728e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 2729e705c121SKalle Valo 2730e705c121SKalle Valo switch (vif->type) { 2731e705c121SKalle Valo case NL80211_IFTYPE_STATION: 2732e705c121SKalle Valo iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); 2733e705c121SKalle Valo break; 2734e705c121SKalle Valo case NL80211_IFTYPE_AP: 2735e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 2736e705c121SKalle Valo iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); 2737e705c121SKalle Valo break; 273891b08c2dSAviya Erenfeld case NL80211_IFTYPE_MONITOR: 273991b08c2dSAviya Erenfeld if (changes & BSS_CHANGED_MU_GROUPS) 274091b08c2dSAviya Erenfeld iwl_mvm_update_mu_groups(mvm, vif); 274191b08c2dSAviya Erenfeld break; 2742e705c121SKalle Valo default: 2743e705c121SKalle Valo /* shouldn't happen */ 2744e705c121SKalle Valo WARN_ON_ONCE(1); 2745e705c121SKalle Valo } 2746e705c121SKalle Valo 2747e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2748e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED); 2749e705c121SKalle Valo } 2750e705c121SKalle Valo 2751e705c121SKalle Valo static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, 2752e705c121SKalle Valo struct ieee80211_vif *vif, 2753e705c121SKalle Valo struct ieee80211_scan_request *hw_req) 2754e705c121SKalle Valo { 2755e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2756e705c121SKalle Valo int ret; 2757e705c121SKalle Valo 2758e705c121SKalle Valo if (hw_req->req.n_channels == 0 || 2759e705c121SKalle Valo hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 2760e705c121SKalle Valo return -EINVAL; 2761e705c121SKalle Valo 2762e705c121SKalle Valo mutex_lock(&mvm->mutex); 2763e705c121SKalle Valo ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 2764e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2765e705c121SKalle Valo 2766e705c121SKalle Valo return ret; 2767e705c121SKalle Valo } 2768e705c121SKalle Valo 2769e705c121SKalle Valo static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 2770e705c121SKalle Valo struct ieee80211_vif *vif) 2771e705c121SKalle Valo { 2772e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2773e705c121SKalle Valo 2774e705c121SKalle Valo mutex_lock(&mvm->mutex); 2775e705c121SKalle Valo 2776e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 2777e705c121SKalle Valo * us to stop a hw_scan when it's already stopped. This can 2778e705c121SKalle Valo * happen, for instance, if we stopped the scan ourselves, 2779e705c121SKalle Valo * called ieee80211_scan_completed() and the userspace called 2780e705c121SKalle Valo * cancel scan scan before ieee80211_scan_work() could run. 2781e705c121SKalle Valo * To handle that, simply return if the scan is not running. 2782e705c121SKalle Valo */ 2783e705c121SKalle Valo if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 2784e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 2785e705c121SKalle Valo 2786e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2787e705c121SKalle Valo } 2788e705c121SKalle Valo 2789e705c121SKalle Valo static void 2790e705c121SKalle Valo iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, 2791e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 2792e705c121SKalle Valo int num_frames, 2793e705c121SKalle Valo enum ieee80211_frame_release_type reason, 2794e705c121SKalle Valo bool more_data) 2795e705c121SKalle Valo { 2796e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2797e705c121SKalle Valo 2798e705c121SKalle Valo /* Called when we need to transmit (a) frame(s) from mac80211 */ 2799e705c121SKalle Valo 2800e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 2801e705c121SKalle Valo tids, more_data, false); 2802e705c121SKalle Valo } 2803e705c121SKalle Valo 2804e705c121SKalle Valo static void 2805e705c121SKalle Valo iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, 2806e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 2807e705c121SKalle Valo int num_frames, 2808e705c121SKalle Valo enum ieee80211_frame_release_type reason, 2809e705c121SKalle Valo bool more_data) 2810e705c121SKalle Valo { 2811e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2812e705c121SKalle Valo 28139a3fcf91SSara Sharon /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ 2814e705c121SKalle Valo 2815e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 2816e705c121SKalle Valo tids, more_data, true); 2817e705c121SKalle Valo } 2818e705c121SKalle Valo 281965e25482SJohannes Berg static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 2820e705c121SKalle Valo enum sta_notify_cmd cmd, 2821e705c121SKalle Valo struct ieee80211_sta *sta) 2822e705c121SKalle Valo { 2823e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2824e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 2825e705c121SKalle Valo unsigned long txqs = 0, tids = 0; 2826e705c121SKalle Valo int tid; 2827e705c121SKalle Valo 2828960f864bSJohannes Berg /* 2829960f864bSJohannes Berg * If we have TVQM then we get too high queue numbers - luckily 2830960f864bSJohannes Berg * we really shouldn't get here with that because such hardware 2831960f864bSJohannes Berg * should have firmware supporting buffer station offload. 2832960f864bSJohannes Berg */ 2833960f864bSJohannes Berg if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 2834960f864bSJohannes Berg return; 2835960f864bSJohannes Berg 2836e705c121SKalle Valo spin_lock_bh(&mvmsta->lock); 2837311590a3SEmmanuel Grumbach for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) { 2838e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 2839e705c121SKalle Valo 28406862fceeSSara Sharon if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 28411c17627bSSara Sharon continue; 28421c17627bSSara Sharon 2843e705c121SKalle Valo __set_bit(tid_data->txq_id, &txqs); 2844e705c121SKalle Valo 2845dd32162dSLiad Kaufman if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 2846e705c121SKalle Valo continue; 2847e705c121SKalle Valo 2848e705c121SKalle Valo __set_bit(tid, &tids); 2849e705c121SKalle Valo } 2850e705c121SKalle Valo 2851e705c121SKalle Valo switch (cmd) { 2852e705c121SKalle Valo case STA_NOTIFY_SLEEP: 2853e705c121SKalle Valo for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 2854e705c121SKalle Valo ieee80211_sta_set_buffered(sta, tid, true); 2855e705c121SKalle Valo 2856e705c121SKalle Valo if (txqs) 2857e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 2858e705c121SKalle Valo /* 2859e705c121SKalle Valo * The fw updates the STA to be asleep. Tx packets on the Tx 2860e705c121SKalle Valo * queues to this station will not be transmitted. The fw will 2861e705c121SKalle Valo * send a Tx response with TX_STATUS_FAIL_DEST_PS. 2862e705c121SKalle Valo */ 2863e705c121SKalle Valo break; 2864e705c121SKalle Valo case STA_NOTIFY_AWAKE: 28650ae98812SSara Sharon if (WARN_ON(mvmsta->sta_id == IWL_MVM_INVALID_STA)) 2866e705c121SKalle Valo break; 2867e705c121SKalle Valo 2868e705c121SKalle Valo if (txqs) 2869e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 2870e705c121SKalle Valo iwl_mvm_sta_modify_ps_wake(mvm, sta); 2871e705c121SKalle Valo break; 2872e705c121SKalle Valo default: 2873e705c121SKalle Valo break; 2874e705c121SKalle Valo } 2875e705c121SKalle Valo spin_unlock_bh(&mvmsta->lock); 2876e705c121SKalle Valo } 2877e705c121SKalle Valo 287865e25482SJohannes Berg static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 287965e25482SJohannes Berg struct ieee80211_vif *vif, 288065e25482SJohannes Berg enum sta_notify_cmd cmd, 288165e25482SJohannes Berg struct ieee80211_sta *sta) 288265e25482SJohannes Berg { 288365e25482SJohannes Berg __iwl_mvm_mac_sta_notify(hw, cmd, sta); 288465e25482SJohannes Berg } 288565e25482SJohannes Berg 288665e25482SJohannes Berg void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 288765e25482SJohannes Berg { 288865e25482SJohannes Berg struct iwl_rx_packet *pkt = rxb_addr(rxb); 288965e25482SJohannes Berg struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 289065e25482SJohannes Berg struct ieee80211_sta *sta; 289165e25482SJohannes Berg struct iwl_mvm_sta *mvmsta; 289265e25482SJohannes Berg bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 289365e25482SJohannes Berg 289465e25482SJohannes Berg if (WARN_ON(notif->sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))) 289565e25482SJohannes Berg return; 289665e25482SJohannes Berg 289765e25482SJohannes Berg rcu_read_lock(); 2898a9560029SSara Sharon sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 289965e25482SJohannes Berg if (WARN_ON(IS_ERR_OR_NULL(sta))) { 290065e25482SJohannes Berg rcu_read_unlock(); 290165e25482SJohannes Berg return; 290265e25482SJohannes Berg } 290365e25482SJohannes Berg 290465e25482SJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 290565e25482SJohannes Berg 290665e25482SJohannes Berg if (!mvmsta->vif || 290765e25482SJohannes Berg mvmsta->vif->type != NL80211_IFTYPE_AP) { 290865e25482SJohannes Berg rcu_read_unlock(); 290965e25482SJohannes Berg return; 291065e25482SJohannes Berg } 291165e25482SJohannes Berg 291265e25482SJohannes Berg if (mvmsta->sleeping != sleeping) { 291365e25482SJohannes Berg mvmsta->sleeping = sleeping; 291465e25482SJohannes Berg __iwl_mvm_mac_sta_notify(mvm->hw, 291565e25482SJohannes Berg sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 291665e25482SJohannes Berg sta); 291765e25482SJohannes Berg ieee80211_sta_ps_transition(sta, sleeping); 291865e25482SJohannes Berg } 291965e25482SJohannes Berg 292065e25482SJohannes Berg if (sleeping) { 292165e25482SJohannes Berg switch (notif->type) { 292265e25482SJohannes Berg case IWL_MVM_PM_EVENT_AWAKE: 292365e25482SJohannes Berg case IWL_MVM_PM_EVENT_ASLEEP: 292465e25482SJohannes Berg break; 292565e25482SJohannes Berg case IWL_MVM_PM_EVENT_UAPSD: 292665e25482SJohannes Berg ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 292765e25482SJohannes Berg break; 292865e25482SJohannes Berg case IWL_MVM_PM_EVENT_PS_POLL: 292965e25482SJohannes Berg ieee80211_sta_pspoll(sta); 293065e25482SJohannes Berg break; 293165e25482SJohannes Berg default: 293265e25482SJohannes Berg break; 293365e25482SJohannes Berg } 293465e25482SJohannes Berg } 293565e25482SJohannes Berg 293665e25482SJohannes Berg rcu_read_unlock(); 293765e25482SJohannes Berg } 293865e25482SJohannes Berg 2939e705c121SKalle Valo static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 2940e705c121SKalle Valo struct ieee80211_vif *vif, 2941e705c121SKalle Valo struct ieee80211_sta *sta) 2942e705c121SKalle Valo { 2943e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2944e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 2945e705c121SKalle Valo 2946e705c121SKalle Valo /* 2947e705c121SKalle Valo * This is called before mac80211 does RCU synchronisation, 2948e705c121SKalle Valo * so here we already invalidate our internal RCU-protected 2949e705c121SKalle Valo * station pointer. The rest of the code will thus no longer 2950e705c121SKalle Valo * be able to find the station this way, and we don't rely 2951e705c121SKalle Valo * on further RCU synchronisation after the sta_state() 2952e705c121SKalle Valo * callback deleted the station. 2953e705c121SKalle Valo */ 2954e705c121SKalle Valo mutex_lock(&mvm->mutex); 2955e705c121SKalle Valo if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id])) 2956e705c121SKalle Valo rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], 2957e705c121SKalle Valo ERR_PTR(-ENOENT)); 2958e705c121SKalle Valo 2959e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2960e705c121SKalle Valo } 2961e705c121SKalle Valo 2962e705c121SKalle Valo static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2963e705c121SKalle Valo const u8 *bssid) 2964e705c121SKalle Valo { 2965b0ffe455SJohannes Berg int i; 2966b0ffe455SJohannes Berg 2967b0ffe455SJohannes Berg if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 2968b0ffe455SJohannes Berg struct iwl_mvm_tcm_mac *mdata; 2969b0ffe455SJohannes Berg 2970b0ffe455SJohannes Berg mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; 2971b0ffe455SJohannes Berg ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); 2972b0ffe455SJohannes Berg mdata->opened_rx_ba_sessions = false; 2973b0ffe455SJohannes Berg } 2974b0ffe455SJohannes Berg 2975e705c121SKalle Valo if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 2976e705c121SKalle Valo return; 2977e705c121SKalle Valo 2978c5241b0cSAvraham Stern if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 2979cee5a882SAvri Altman vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 2980cee5a882SAvri Altman return; 2981cee5a882SAvri Altman } 2982cee5a882SAvri Altman 298311dee0b4SEmmanuel Grumbach if (!vif->p2p && 298411dee0b4SEmmanuel Grumbach (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 2985e705c121SKalle Valo vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 2986e705c121SKalle Valo return; 2987e705c121SKalle Valo } 2988e705c121SKalle Valo 2989b0ffe455SJohannes Berg for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { 2990b0ffe455SJohannes Berg if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { 2991b0ffe455SJohannes Berg vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 2992b0ffe455SJohannes Berg return; 2993b0ffe455SJohannes Berg } 2994b0ffe455SJohannes Berg } 2995b0ffe455SJohannes Berg 2996e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 2997e705c121SKalle Valo } 2998e705c121SKalle Valo 29991e8f1329SGolan Ben-Ami static void 30001e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 30011e8f1329SGolan Ben-Ami struct ieee80211_vif *vif, u8 *peer_addr, 30021e8f1329SGolan Ben-Ami enum nl80211_tdls_operation action) 30031e8f1329SGolan Ben-Ami { 30041e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tlv *trig; 30051e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tdls *tdls_trig; 30061e8f1329SGolan Ben-Ami 30076c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 30086c042d75SSara Sharon FW_DBG_TRIGGER_TDLS); 30096c042d75SSara Sharon if (!trig) 30101e8f1329SGolan Ben-Ami return; 30111e8f1329SGolan Ben-Ami 30121e8f1329SGolan Ben-Ami tdls_trig = (void *)trig->data; 30131e8f1329SGolan Ben-Ami 30141e8f1329SGolan Ben-Ami if (!(tdls_trig->action_bitmap & BIT(action))) 30151e8f1329SGolan Ben-Ami return; 30161e8f1329SGolan Ben-Ami 30171e8f1329SGolan Ben-Ami if (tdls_trig->peer_mode && 30181e8f1329SGolan Ben-Ami memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 30191e8f1329SGolan Ben-Ami return; 30201e8f1329SGolan Ben-Ami 30217174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 30221e8f1329SGolan Ben-Ami "TDLS event occurred, peer %pM, action %d", 30231e8f1329SGolan Ben-Ami peer_addr, action); 30241e8f1329SGolan Ben-Ami } 30251e8f1329SGolan Ben-Ami 3026e705c121SKalle Valo static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 3027e705c121SKalle Valo struct ieee80211_vif *vif, 3028e705c121SKalle Valo struct ieee80211_sta *sta, 3029e705c121SKalle Valo enum ieee80211_sta_state old_state, 3030e705c121SKalle Valo enum ieee80211_sta_state new_state) 3031e705c121SKalle Valo { 3032e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3033e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 30346ea29ce5SJohannes Berg struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3035e705c121SKalle Valo int ret; 3036e705c121SKalle Valo 3037e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 3038e705c121SKalle Valo sta->addr, old_state, new_state); 3039e705c121SKalle Valo 3040e705c121SKalle Valo /* this would be a mac80211 bug ... but don't crash */ 3041e705c121SKalle Valo if (WARN_ON_ONCE(!mvmvif->phy_ctxt)) 3042e705c121SKalle Valo return -EINVAL; 3043e705c121SKalle Valo 304424afba76SLiad Kaufman /* 304524afba76SLiad Kaufman * If we are in a STA removal flow and in DQA mode: 304624afba76SLiad Kaufman * 304724afba76SLiad Kaufman * This is after the sync_rcu part, so the queues have already been 304824afba76SLiad Kaufman * flushed. No more TXs on their way in mac80211's path, and no more in 304924afba76SLiad Kaufman * the queues. 305024afba76SLiad Kaufman * Also, we won't be getting any new TX frames for this station. 305124afba76SLiad Kaufman * What we might have are deferred TX frames that need to be taken care 305224afba76SLiad Kaufman * of. 305324afba76SLiad Kaufman * 305424afba76SLiad Kaufman * Drop any still-queued deferred-frame before removing the STA, and 305524afba76SLiad Kaufman * make sure the worker is no longer handling frames for this STA. 305624afba76SLiad Kaufman */ 305724afba76SLiad Kaufman if (old_state == IEEE80211_STA_NONE && 3058c8f54701SJohannes Berg new_state == IEEE80211_STA_NOTEXIST) { 305924afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 306024afba76SLiad Kaufman 306124afba76SLiad Kaufman /* 306224afba76SLiad Kaufman * No need to make sure deferred TX indication is off since the 306324afba76SLiad Kaufman * worker will already remove it if it was on 306424afba76SLiad Kaufman */ 306524afba76SLiad Kaufman } 306624afba76SLiad Kaufman 3067e705c121SKalle Valo mutex_lock(&mvm->mutex); 30686ea29ce5SJohannes Berg /* track whether or not the station is associated */ 3069d94c5a82SGregory Greenman mvm_sta->sta_state = new_state; 30706ea29ce5SJohannes Berg 3071e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 3072e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 3073e705c121SKalle Valo /* 3074e705c121SKalle Valo * Firmware bug - it'll crash if the beacon interval is less 3075e705c121SKalle Valo * than 16. We can't avoid connecting at all, so refuse the 3076e705c121SKalle Valo * station state change, this will cause mac80211 to abandon 3077e705c121SKalle Valo * attempts to connect to this AP, and eventually wpa_s will 3078e705c121SKalle Valo * blacklist the AP... 3079e705c121SKalle Valo */ 3080e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && 3081e705c121SKalle Valo vif->bss_conf.beacon_int < 16) { 3082e705c121SKalle Valo IWL_ERR(mvm, 3083e705c121SKalle Valo "AP %pM beacon interval is %d, refusing due to firmware bug!\n", 3084e705c121SKalle Valo sta->addr, vif->bss_conf.beacon_int); 3085e705c121SKalle Valo ret = -EINVAL; 3086e705c121SKalle Valo goto out_unlock; 3087e705c121SKalle Valo } 3088e705c121SKalle Valo 3089e705c121SKalle Valo if (sta->tdls && 3090e705c121SKalle Valo (vif->p2p || 3091e705c121SKalle Valo iwl_mvm_tdls_sta_count(mvm, NULL) == 3092e705c121SKalle Valo IWL_MVM_TDLS_STA_COUNT || 3093e705c121SKalle Valo iwl_mvm_phy_ctx_count(mvm) > 1)) { 3094e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 3095e705c121SKalle Valo ret = -EBUSY; 3096e705c121SKalle Valo goto out_unlock; 3097e705c121SKalle Valo } 3098e705c121SKalle Valo 3099e705c121SKalle Valo ret = iwl_mvm_add_sta(mvm, vif, sta); 31001e8f1329SGolan Ben-Ami if (sta->tdls && ret == 0) { 3101e705c121SKalle Valo iwl_mvm_recalc_tdls_state(mvm, vif, true); 31021e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 31031e8f1329SGolan Ben-Ami NL80211_TDLS_SETUP); 31041e8f1329SGolan Ben-Ami } 3105438af969SSara Sharon 3106438af969SSara Sharon sta->max_rc_amsdu_len = 1; 3107e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 3108e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 3109e705c121SKalle Valo /* 3110e705c121SKalle Valo * EBS may be disabled due to previous failures reported by FW. 3111e705c121SKalle Valo * Reset EBS status here assuming environment has been changed. 3112e705c121SKalle Valo */ 3113e705c121SKalle Valo mvm->last_ebs_successful = true; 3114e705c121SKalle Valo iwl_mvm_check_uapsd(mvm, vif, sta->addr); 3115e705c121SKalle Valo ret = 0; 3116e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 3117e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 31188be30c13SAyala Beker if (vif->type == NL80211_IFTYPE_AP) { 31199394662aSLiad Kaufman vif->bss_conf.he_support = sta->he_cap.has_he; 31208be30c13SAyala Beker mvmvif->ap_assoc_sta_count++; 31218be30c13SAyala Beker iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 312202221a81SShaul Triebitz if (vif->bss_conf.he_support && 312302221a81SShaul Triebitz !iwlwifi_mod_params.disable_11ax) 312402221a81SShaul Triebitz iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->sta_id); 31259394662aSLiad Kaufman } else if (vif->type == NL80211_IFTYPE_STATION) { 31269394662aSLiad Kaufman vif->bss_conf.he_support = sta->he_cap.has_he; 31279394662aSLiad Kaufman iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 31288be30c13SAyala Beker } 3129735a0045SGoodstein, Mordechay 31303baf7528SAvraham Stern iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 31313baf7528SAvraham Stern false); 3132735a0045SGoodstein, Mordechay ret = iwl_mvm_update_sta(mvm, vif, sta); 3133e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 3134e705c121SKalle Valo new_state == IEEE80211_STA_AUTHORIZED) { 313528916a16SEmmanuel Grumbach /* if wep is used, need to set the key for the station now */ 313628916a16SEmmanuel Grumbach if (vif->type == NL80211_IFTYPE_AP && mvmvif->ap_wep_key) { 313728916a16SEmmanuel Grumbach mvm_sta->wep_key = 313828916a16SEmmanuel Grumbach kmemdup(mvmvif->ap_wep_key, 313928916a16SEmmanuel Grumbach sizeof(*mvmvif->ap_wep_key) + 314028916a16SEmmanuel Grumbach mvmvif->ap_wep_key->keylen, 314128916a16SEmmanuel Grumbach GFP_KERNEL); 314228916a16SEmmanuel Grumbach if (!mvm_sta->wep_key) { 314328916a16SEmmanuel Grumbach ret = -ENOMEM; 314428916a16SEmmanuel Grumbach goto out_unlock; 314528916a16SEmmanuel Grumbach } 314628916a16SEmmanuel Grumbach 314728916a16SEmmanuel Grumbach ret = iwl_mvm_set_sta_key(mvm, vif, sta, 314828916a16SEmmanuel Grumbach mvm_sta->wep_key, 314928916a16SEmmanuel Grumbach STA_KEY_IDX_INVALID); 315028916a16SEmmanuel Grumbach } else { 315128916a16SEmmanuel Grumbach ret = 0; 315228916a16SEmmanuel Grumbach } 3153e705c121SKalle Valo 3154e705c121SKalle Valo /* we don't support TDLS during DCM */ 3155e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 3156e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 3157e705c121SKalle Valo 31581e8f1329SGolan Ben-Ami if (sta->tdls) 31591e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 31601e8f1329SGolan Ben-Ami NL80211_TDLS_ENABLE_LINK); 31611e8f1329SGolan Ben-Ami 3162e705c121SKalle Valo /* enable beacon filtering */ 3163e705c121SKalle Valo WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 31646b7a5aeaSNaftali Goldstein 31653baf7528SAvraham Stern iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 31663baf7528SAvraham Stern true); 3167e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTHORIZED && 3168e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 3169e705c121SKalle Valo /* disable beacon filtering */ 3170e705c121SKalle Valo WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif, 0)); 3171e705c121SKalle Valo ret = 0; 3172e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 3173e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 31748be30c13SAyala Beker if (vif->type == NL80211_IFTYPE_AP) { 31758be30c13SAyala Beker mvmvif->ap_assoc_sta_count--; 31768be30c13SAyala Beker iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 31778be30c13SAyala Beker } 3178e705c121SKalle Valo ret = 0; 3179e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 3180e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 3181e705c121SKalle Valo ret = 0; 3182e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 3183e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) { 3184e705c121SKalle Valo ret = iwl_mvm_rm_sta(mvm, vif, sta); 31851e8f1329SGolan Ben-Ami if (sta->tdls) { 3186e705c121SKalle Valo iwl_mvm_recalc_tdls_state(mvm, vif, false); 31871e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 31881e8f1329SGolan Ben-Ami NL80211_TDLS_DISABLE_LINK); 31891e8f1329SGolan Ben-Ami } 319034a880d8SLiad Kaufman 319134a880d8SLiad Kaufman /* Remove STA key if this is an AP using WEP */ 319234a880d8SLiad Kaufman if (vif->type == NL80211_IFTYPE_AP && mvmvif->ap_wep_key) { 319334a880d8SLiad Kaufman int rm_ret = iwl_mvm_remove_sta_key(mvm, vif, sta, 319428916a16SEmmanuel Grumbach mvm_sta->wep_key); 319534a880d8SLiad Kaufman 319634a880d8SLiad Kaufman if (!ret) 319734a880d8SLiad Kaufman ret = rm_ret; 319828916a16SEmmanuel Grumbach kfree(mvm_sta->wep_key); 319928916a16SEmmanuel Grumbach mvm_sta->wep_key = NULL; 320034a880d8SLiad Kaufman } 320134a880d8SLiad Kaufman 3202e705c121SKalle Valo } else { 3203e705c121SKalle Valo ret = -EIO; 3204e705c121SKalle Valo } 3205e705c121SKalle Valo out_unlock: 3206e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3207e705c121SKalle Valo 3208e705c121SKalle Valo if (sta->tdls && ret == 0) { 3209e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 3210e705c121SKalle Valo new_state == IEEE80211_STA_NONE) 3211e705c121SKalle Valo ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); 3212e705c121SKalle Valo else if (old_state == IEEE80211_STA_NONE && 3213e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) 3214e705c121SKalle Valo ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); 3215e705c121SKalle Valo } 3216e705c121SKalle Valo 3217e705c121SKalle Valo return ret; 3218e705c121SKalle Valo } 3219e705c121SKalle Valo 3220e705c121SKalle Valo static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 3221e705c121SKalle Valo { 3222e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3223e705c121SKalle Valo 3224e705c121SKalle Valo mvm->rts_threshold = value; 3225e705c121SKalle Valo 3226e705c121SKalle Valo return 0; 3227e705c121SKalle Valo } 3228e705c121SKalle Valo 3229e705c121SKalle Valo static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, 3230e705c121SKalle Valo struct ieee80211_vif *vif, 3231e705c121SKalle Valo struct ieee80211_sta *sta, u32 changed) 3232e705c121SKalle Valo { 3233e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3234e705c121SKalle Valo 3235e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && 3236e705c121SKalle Valo changed & IEEE80211_RC_NSS_CHANGED) 3237e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 3238e705c121SKalle Valo } 3239e705c121SKalle Valo 3240e705c121SKalle Valo static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 3241e705c121SKalle Valo struct ieee80211_vif *vif, u16 ac, 3242e705c121SKalle Valo const struct ieee80211_tx_queue_params *params) 3243e705c121SKalle Valo { 3244e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3245e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3246e705c121SKalle Valo 3247e705c121SKalle Valo mvmvif->queue_params[ac] = *params; 3248e705c121SKalle Valo 3249e705c121SKalle Valo /* 3250e705c121SKalle Valo * No need to update right away, we'll get BSS_CHANGED_QOS 3251e705c121SKalle Valo * The exception is P2P_DEVICE interface which needs immediate update. 3252e705c121SKalle Valo */ 3253e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 3254e705c121SKalle Valo int ret; 3255e705c121SKalle Valo 3256e705c121SKalle Valo mutex_lock(&mvm->mutex); 3257e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 3258e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3259e705c121SKalle Valo return ret; 3260e705c121SKalle Valo } 3261e705c121SKalle Valo return 0; 3262e705c121SKalle Valo } 3263e705c121SKalle Valo 3264e705c121SKalle Valo static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 3265d4e36e55SIlan Peer struct ieee80211_vif *vif, 3266d4e36e55SIlan Peer u16 req_duration) 3267e705c121SKalle Valo { 3268e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 32697c70fee5SSara Sharon u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 32707c70fee5SSara Sharon u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 3271e705c121SKalle Valo 3272e705c121SKalle Valo /* 3273e705c121SKalle Valo * iwl_mvm_protect_session() reads directly from the device 3274e705c121SKalle Valo * (the system time), so make sure it is available. 3275e705c121SKalle Valo */ 3276e705c121SKalle Valo if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX)) 3277e705c121SKalle Valo return; 3278e705c121SKalle Valo 3279d4e36e55SIlan Peer if (req_duration > duration) 3280d4e36e55SIlan Peer duration = req_duration; 3281d4e36e55SIlan Peer 3282e705c121SKalle Valo mutex_lock(&mvm->mutex); 3283e705c121SKalle Valo /* Try really hard to protect the session and hear a beacon */ 3284e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false); 3285e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3286e705c121SKalle Valo 3287e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX); 3288e705c121SKalle Valo } 3289e705c121SKalle Valo 3290e705c121SKalle Valo static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 3291e705c121SKalle Valo struct ieee80211_vif *vif, 3292e705c121SKalle Valo struct cfg80211_sched_scan_request *req, 3293e705c121SKalle Valo struct ieee80211_scan_ies *ies) 3294e705c121SKalle Valo { 3295e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3296e705c121SKalle Valo 3297e705c121SKalle Valo int ret; 3298e705c121SKalle Valo 3299e705c121SKalle Valo mutex_lock(&mvm->mutex); 3300e705c121SKalle Valo 3301e705c121SKalle Valo if (!vif->bss_conf.idle) { 3302e705c121SKalle Valo ret = -EBUSY; 3303e705c121SKalle Valo goto out; 3304e705c121SKalle Valo } 3305e705c121SKalle Valo 3306e705c121SKalle Valo ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 3307e705c121SKalle Valo 3308e705c121SKalle Valo out: 3309e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3310e705c121SKalle Valo return ret; 3311e705c121SKalle Valo } 3312e705c121SKalle Valo 3313e705c121SKalle Valo static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 3314e705c121SKalle Valo struct ieee80211_vif *vif) 3315e705c121SKalle Valo { 3316e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3317e705c121SKalle Valo int ret; 3318e705c121SKalle Valo 3319e705c121SKalle Valo mutex_lock(&mvm->mutex); 3320e705c121SKalle Valo 3321e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 3322e705c121SKalle Valo * us to stop a sched_scan when it's already stopped. This 3323e705c121SKalle Valo * can happen, for instance, if we stopped the scan ourselves, 3324e705c121SKalle Valo * called ieee80211_sched_scan_stopped() and the userspace called 3325e705c121SKalle Valo * stop sched scan scan before ieee80211_sched_scan_stopped_work() 3326e705c121SKalle Valo * could run. To handle this, simply return if the scan is 3327e705c121SKalle Valo * not running. 3328e705c121SKalle Valo */ 3329e705c121SKalle Valo if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 3330e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3331e705c121SKalle Valo return 0; 3332e705c121SKalle Valo } 3333e705c121SKalle Valo 3334e705c121SKalle Valo ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 3335e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3336e705c121SKalle Valo iwl_mvm_wait_for_async_handlers(mvm); 3337e705c121SKalle Valo 3338e705c121SKalle Valo return ret; 3339e705c121SKalle Valo } 3340e705c121SKalle Valo 3341e705c121SKalle Valo static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 3342e705c121SKalle Valo enum set_key_cmd cmd, 3343e705c121SKalle Valo struct ieee80211_vif *vif, 3344e705c121SKalle Valo struct ieee80211_sta *sta, 3345e705c121SKalle Valo struct ieee80211_key_conf *key) 3346e705c121SKalle Valo { 3347e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3348f5e28eacSJohannes Berg struct iwl_mvm_sta *mvmsta; 3349f5e28eacSJohannes Berg struct iwl_mvm_key_pn *ptk_pn; 3350f5e28eacSJohannes Berg int keyidx = key->keyidx; 3351e705c121SKalle Valo int ret; 33524615fd15SEmmanuel Grumbach u8 key_offset; 3353e705c121SKalle Valo 33543b37f4c9SJohannes Berg if (iwlwifi_mod_params.swcrypto) { 3355e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n"); 3356e705c121SKalle Valo return -EOPNOTSUPP; 3357e705c121SKalle Valo } 3358e705c121SKalle Valo 3359e705c121SKalle Valo switch (key->cipher) { 3360e705c121SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 33617f768ad5SDavid Spinadel if (!mvm->trans->cfg->gen2) { 3362e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 33631ad4f639SEliad Peller key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 33647f768ad5SDavid Spinadel } else if (vif->type == NL80211_IFTYPE_STATION) { 33657f768ad5SDavid Spinadel key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; 33667f768ad5SDavid Spinadel } else { 33677f768ad5SDavid Spinadel IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); 33687f768ad5SDavid Spinadel return -EOPNOTSUPP; 33697f768ad5SDavid Spinadel } 3370e705c121SKalle Valo break; 3371e705c121SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 33722a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP: 33732a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP_256: 337485aeb58cSDavid Spinadel if (!iwl_mvm_has_new_tx_api(mvm)) 3375e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 3376e705c121SKalle Valo break; 3377e705c121SKalle Valo case WLAN_CIPHER_SUITE_AES_CMAC: 33788e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_128: 33798e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_256: 3380e705c121SKalle Valo WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 3381e705c121SKalle Valo break; 3382e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 3383e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 3384337bfc98SAvraham Stern if (vif->type == NL80211_IFTYPE_AP) { 3385337bfc98SAvraham Stern struct iwl_mvm_vif *mvmvif = 3386337bfc98SAvraham Stern iwl_mvm_vif_from_mac80211(vif); 3387337bfc98SAvraham Stern 3388337bfc98SAvraham Stern mvmvif->ap_wep_key = kmemdup(key, 3389337bfc98SAvraham Stern sizeof(*key) + key->keylen, 3390337bfc98SAvraham Stern GFP_KERNEL); 3391337bfc98SAvraham Stern if (!mvmvif->ap_wep_key) 3392337bfc98SAvraham Stern return -ENOMEM; 3393337bfc98SAvraham Stern } 3394337bfc98SAvraham Stern 3395e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION) 3396e705c121SKalle Valo return 0; 3397e705c121SKalle Valo break; 3398e705c121SKalle Valo default: 3399e705c121SKalle Valo /* currently FW supports only one optional cipher scheme */ 3400e705c121SKalle Valo if (hw->n_cipher_schemes && 3401e705c121SKalle Valo hw->cipher_schemes->cipher == key->cipher) 3402e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 3403e705c121SKalle Valo else 3404e705c121SKalle Valo return -EOPNOTSUPP; 3405e705c121SKalle Valo } 3406e705c121SKalle Valo 3407e705c121SKalle Valo mutex_lock(&mvm->mutex); 3408e705c121SKalle Valo 3409e705c121SKalle Valo switch (cmd) { 3410e705c121SKalle Valo case SET_KEY: 3411e705c121SKalle Valo if ((vif->type == NL80211_IFTYPE_ADHOC || 3412e705c121SKalle Valo vif->type == NL80211_IFTYPE_AP) && !sta) { 3413e705c121SKalle Valo /* 3414e705c121SKalle Valo * GTK on AP interface is a TX-only key, return 0; 3415e705c121SKalle Valo * on IBSS they're per-station and because we're lazy 3416e705c121SKalle Valo * we don't support them for RX, so do the same. 34178e160ab8SAyala Beker * CMAC/GMAC in AP/IBSS modes must be done in software. 3418e705c121SKalle Valo */ 34198e160ab8SAyala Beker if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 34208e160ab8SAyala Beker key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 34218e160ab8SAyala Beker key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256) 342281279c49SJohannes Berg ret = -EOPNOTSUPP; 342381279c49SJohannes Berg else 3424e705c121SKalle Valo ret = 0; 342585aeb58cSDavid Spinadel 342685aeb58cSDavid Spinadel if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 342785aeb58cSDavid Spinadel key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 342885aeb58cSDavid Spinadel !iwl_mvm_has_new_tx_api(mvm)) { 3429e705c121SKalle Valo key->hw_key_idx = STA_KEY_IDX_INVALID; 3430e705c121SKalle Valo break; 3431e705c121SKalle Valo } 343285aeb58cSDavid Spinadel } 3433e705c121SKalle Valo 3434e705c121SKalle Valo /* During FW restart, in order to restore the state as it was, 3435e705c121SKalle Valo * don't try to reprogram keys we previously failed for. 3436e705c121SKalle Valo */ 3437e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 3438e705c121SKalle Valo key->hw_key_idx == STA_KEY_IDX_INVALID) { 3439e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, 3440e705c121SKalle Valo "skip invalid idx key programming during restart\n"); 3441e705c121SKalle Valo ret = 0; 3442e705c121SKalle Valo break; 3443e705c121SKalle Valo } 3444e705c121SKalle Valo 3445f5e28eacSJohannes Berg if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 3446f5e28eacSJohannes Berg sta && iwl_mvm_has_new_rx_api(mvm) && 3447f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 3448f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 34492a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 34502a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 3451f5e28eacSJohannes Berg struct ieee80211_key_seq seq; 3452f5e28eacSJohannes Berg int tid, q; 3453f5e28eacSJohannes Berg 3454f5e28eacSJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 3455f5e28eacSJohannes Berg WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 3456acafe7e3SKees Cook ptk_pn = kzalloc(struct_size(ptk_pn, q, 3457acafe7e3SKees Cook mvm->trans->num_rx_queues), 3458f5e28eacSJohannes Berg GFP_KERNEL); 3459f5e28eacSJohannes Berg if (!ptk_pn) { 3460f5e28eacSJohannes Berg ret = -ENOMEM; 3461f5e28eacSJohannes Berg break; 3462f5e28eacSJohannes Berg } 3463f5e28eacSJohannes Berg 3464f5e28eacSJohannes Berg for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 3465f5e28eacSJohannes Berg ieee80211_get_key_rx_seq(key, tid, &seq); 3466f5e28eacSJohannes Berg for (q = 0; q < mvm->trans->num_rx_queues; q++) 3467f5e28eacSJohannes Berg memcpy(ptk_pn->q[q].pn[tid], 3468f5e28eacSJohannes Berg seq.ccmp.pn, 3469f5e28eacSJohannes Berg IEEE80211_CCMP_PN_LEN); 3470f5e28eacSJohannes Berg } 3471f5e28eacSJohannes Berg 3472f5e28eacSJohannes Berg rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 3473f5e28eacSJohannes Berg } 3474f5e28eacSJohannes Berg 34754615fd15SEmmanuel Grumbach /* in HW restart reuse the index, otherwise request a new one */ 34764615fd15SEmmanuel Grumbach if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 34774615fd15SEmmanuel Grumbach key_offset = key->hw_key_idx; 34784615fd15SEmmanuel Grumbach else 34794615fd15SEmmanuel Grumbach key_offset = STA_KEY_IDX_INVALID; 34804615fd15SEmmanuel Grumbach 3481e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n"); 34824615fd15SEmmanuel Grumbach ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 3483e705c121SKalle Valo if (ret) { 3484e705c121SKalle Valo IWL_WARN(mvm, "set key failed\n"); 3485e705c121SKalle Valo /* 3486e705c121SKalle Valo * can't add key for RX, but we don't need it 3487e705c121SKalle Valo * in the device for TX so still return 0 3488e705c121SKalle Valo */ 3489e705c121SKalle Valo key->hw_key_idx = STA_KEY_IDX_INVALID; 3490e705c121SKalle Valo ret = 0; 3491e705c121SKalle Valo } 3492e705c121SKalle Valo 3493e705c121SKalle Valo break; 3494e705c121SKalle Valo case DISABLE_KEY: 3495e705c121SKalle Valo if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 3496e705c121SKalle Valo ret = 0; 3497e705c121SKalle Valo break; 3498e705c121SKalle Valo } 3499e705c121SKalle Valo 3500f5e28eacSJohannes Berg if (sta && iwl_mvm_has_new_rx_api(mvm) && 3501f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 3502f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 35032a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 35042a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 3505f5e28eacSJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 3506f5e28eacSJohannes Berg ptk_pn = rcu_dereference_protected( 3507f5e28eacSJohannes Berg mvmsta->ptk_pn[keyidx], 3508f5e28eacSJohannes Berg lockdep_is_held(&mvm->mutex)); 3509f5e28eacSJohannes Berg RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 3510f5e28eacSJohannes Berg if (ptk_pn) 3511f5e28eacSJohannes Berg kfree_rcu(ptk_pn, rcu_head); 3512f5e28eacSJohannes Berg } 3513f5e28eacSJohannes Berg 3514e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 3515e705c121SKalle Valo ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 3516e705c121SKalle Valo break; 3517e705c121SKalle Valo default: 3518e705c121SKalle Valo ret = -EINVAL; 3519e705c121SKalle Valo } 3520e705c121SKalle Valo 3521e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3522e705c121SKalle Valo return ret; 3523e705c121SKalle Valo } 3524e705c121SKalle Valo 3525e705c121SKalle Valo static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 3526e705c121SKalle Valo struct ieee80211_vif *vif, 3527e705c121SKalle Valo struct ieee80211_key_conf *keyconf, 3528e705c121SKalle Valo struct ieee80211_sta *sta, 3529e705c121SKalle Valo u32 iv32, u16 *phase1key) 3530e705c121SKalle Valo { 3531e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3532e705c121SKalle Valo 3533e705c121SKalle Valo if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 3534e705c121SKalle Valo return; 3535e705c121SKalle Valo 3536e705c121SKalle Valo iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 3537e705c121SKalle Valo } 3538e705c121SKalle Valo 3539e705c121SKalle Valo 3540e705c121SKalle Valo static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 3541e705c121SKalle Valo struct iwl_rx_packet *pkt, void *data) 3542e705c121SKalle Valo { 3543e705c121SKalle Valo struct iwl_mvm *mvm = 3544e705c121SKalle Valo container_of(notif_wait, struct iwl_mvm, notif_wait); 3545e705c121SKalle Valo struct iwl_hs20_roc_res *resp; 3546e705c121SKalle Valo int resp_len = iwl_rx_packet_payload_len(pkt); 3547e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = data; 3548e705c121SKalle Valo 3549e705c121SKalle Valo if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 3550e705c121SKalle Valo return true; 3551e705c121SKalle Valo 3552e705c121SKalle Valo if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 3553e705c121SKalle Valo IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 3554e705c121SKalle Valo return true; 3555e705c121SKalle Valo } 3556e705c121SKalle Valo 3557e705c121SKalle Valo resp = (void *)pkt->data; 3558e705c121SKalle Valo 3559e705c121SKalle Valo IWL_DEBUG_TE(mvm, 3560b71a9c35SColin Ian King "Aux ROC: Received response from ucode: status=%d uid=%d\n", 3561e705c121SKalle Valo resp->status, resp->event_unique_id); 3562e705c121SKalle Valo 3563e705c121SKalle Valo te_data->uid = le32_to_cpu(resp->event_unique_id); 3564e705c121SKalle Valo IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 3565e705c121SKalle Valo te_data->uid); 3566e705c121SKalle Valo 3567e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3568e705c121SKalle Valo list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 3569e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3570e705c121SKalle Valo 3571e705c121SKalle Valo return true; 3572e705c121SKalle Valo } 3573e705c121SKalle Valo 3574dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100) 3575dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200) 3576dc28e12fSMatti Gottlieb #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600) 3577dc28e12fSMatti Gottlieb #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20) 3578dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10) 3579e705c121SKalle Valo static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 3580e705c121SKalle Valo struct ieee80211_channel *channel, 3581e705c121SKalle Valo struct ieee80211_vif *vif, 3582e705c121SKalle Valo int duration) 3583e705c121SKalle Valo { 3584e705c121SKalle Valo int res, time_reg = DEVICE_SYSTEM_TIME_REG; 3585e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3586e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 3587e705c121SKalle Valo static const u16 time_event_response[] = { HOT_SPOT_CMD }; 3588e705c121SKalle Valo struct iwl_notification_wait wait_time_event; 3589dc28e12fSMatti Gottlieb u32 dtim_interval = vif->bss_conf.dtim_period * 3590dc28e12fSMatti Gottlieb vif->bss_conf.beacon_int; 3591dc28e12fSMatti Gottlieb u32 req_dur, delay; 3592e705c121SKalle Valo struct iwl_hs20_roc_req aux_roc_req = { 3593e705c121SKalle Valo .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 3594e705c121SKalle Valo .id_and_color = 3595e705c121SKalle Valo cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 3596e705c121SKalle Valo .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 3597e705c121SKalle Valo }; 359857e861d9SDavid Spinadel struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm, 359957e861d9SDavid Spinadel &aux_roc_req.channel_info); 360057e861d9SDavid Spinadel u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm); 360157e861d9SDavid Spinadel 360257e861d9SDavid Spinadel /* Set the channel info data */ 360357e861d9SDavid Spinadel iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, 360457e861d9SDavid Spinadel (channel->band == NL80211_BAND_2GHZ) ? 360557e861d9SDavid Spinadel PHY_BAND_24 : PHY_BAND_5, 360657e861d9SDavid Spinadel PHY_VHT_CHANNEL_MODE20, 360757e861d9SDavid Spinadel 0); 360857e861d9SDavid Spinadel 360957e861d9SDavid Spinadel /* Set the time and duration */ 361057e861d9SDavid Spinadel tail->apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)); 3611e705c121SKalle Valo 3612dc28e12fSMatti Gottlieb delay = AUX_ROC_MIN_DELAY; 3613dc28e12fSMatti Gottlieb req_dur = MSEC_TO_TU(duration); 3614dc28e12fSMatti Gottlieb 3615dc28e12fSMatti Gottlieb /* 3616dc28e12fSMatti Gottlieb * If we are associated we want the delay time to be at least one 3617dc28e12fSMatti Gottlieb * dtim interval so that the FW can wait until after the DTIM and 3618dc28e12fSMatti Gottlieb * then start the time event, this will potentially allow us to 3619dc28e12fSMatti Gottlieb * remain off-channel for the max duration. 3620dc28e12fSMatti Gottlieb * Since we want to use almost a whole dtim interval we would also 3621dc28e12fSMatti Gottlieb * like the delay to be for 2-3 dtim intervals, in case there are 3622dc28e12fSMatti Gottlieb * other time events with higher priority. 3623dc28e12fSMatti Gottlieb */ 3624dc28e12fSMatti Gottlieb if (vif->bss_conf.assoc) { 3625dc28e12fSMatti Gottlieb delay = min_t(u32, dtim_interval * 3, AUX_ROC_MAX_DELAY); 3626dc28e12fSMatti Gottlieb /* We cannot remain off-channel longer than the DTIM interval */ 3627dc28e12fSMatti Gottlieb if (dtim_interval <= req_dur) { 3628dc28e12fSMatti Gottlieb req_dur = dtim_interval - AUX_ROC_SAFETY_BUFFER; 3629dc28e12fSMatti Gottlieb if (req_dur <= AUX_ROC_MIN_DURATION) 3630dc28e12fSMatti Gottlieb req_dur = dtim_interval - 3631dc28e12fSMatti Gottlieb AUX_ROC_MIN_SAFETY_BUFFER; 3632dc28e12fSMatti Gottlieb } 3633dc28e12fSMatti Gottlieb } 3634dc28e12fSMatti Gottlieb 363557e861d9SDavid Spinadel tail->duration = cpu_to_le32(req_dur); 363657e861d9SDavid Spinadel tail->apply_time_max_delay = cpu_to_le32(delay); 3637dc28e12fSMatti Gottlieb 3638dc28e12fSMatti Gottlieb IWL_DEBUG_TE(mvm, 3639dc28e12fSMatti Gottlieb "ROC: Requesting to remain on channel %u for %ums (requested = %ums, max_delay = %ums, dtim_interval = %ums)\n", 3640dc28e12fSMatti Gottlieb channel->hw_value, req_dur, duration, delay, 3641dc28e12fSMatti Gottlieb dtim_interval); 3642e705c121SKalle Valo /* Set the node address */ 364357e861d9SDavid Spinadel memcpy(tail->node_addr, vif->addr, ETH_ALEN); 3644e705c121SKalle Valo 3645e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3646e705c121SKalle Valo 3647e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3648e705c121SKalle Valo 3649e705c121SKalle Valo if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 3650e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3651e705c121SKalle Valo return -EIO; 3652e705c121SKalle Valo } 3653e705c121SKalle Valo 3654e705c121SKalle Valo te_data->vif = vif; 3655e705c121SKalle Valo te_data->duration = duration; 3656e705c121SKalle Valo te_data->id = HOT_SPOT_CMD; 3657e705c121SKalle Valo 3658e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3659e705c121SKalle Valo 3660e705c121SKalle Valo /* 3661e705c121SKalle Valo * Use a notification wait, which really just processes the 3662e705c121SKalle Valo * command response and doesn't wait for anything, in order 3663e705c121SKalle Valo * to be able to process the response and get the UID inside 3664e705c121SKalle Valo * the RX path. Using CMD_WANT_SKB doesn't work because it 3665e705c121SKalle Valo * stores the buffer and then wakes up this thread, by which 3666e705c121SKalle Valo * time another notification (that the time event started) 3667e705c121SKalle Valo * might already be processed unsuccessfully. 3668e705c121SKalle Valo */ 3669e705c121SKalle Valo iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 3670e705c121SKalle Valo time_event_response, 3671e705c121SKalle Valo ARRAY_SIZE(time_event_response), 3672e705c121SKalle Valo iwl_mvm_rx_aux_roc, te_data); 3673e705c121SKalle Valo 367457e861d9SDavid Spinadel res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len, 3675e705c121SKalle Valo &aux_roc_req); 3676e705c121SKalle Valo 3677e705c121SKalle Valo if (res) { 3678e705c121SKalle Valo IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 3679e705c121SKalle Valo iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 3680e705c121SKalle Valo goto out_clear_te; 3681e705c121SKalle Valo } 3682e705c121SKalle Valo 3683e705c121SKalle Valo /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 3684e705c121SKalle Valo res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 3685e705c121SKalle Valo /* should never fail */ 3686e705c121SKalle Valo WARN_ON_ONCE(res); 3687e705c121SKalle Valo 3688e705c121SKalle Valo if (res) { 3689e705c121SKalle Valo out_clear_te: 3690e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3691e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, te_data); 3692e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3693e705c121SKalle Valo } 3694e705c121SKalle Valo 3695e705c121SKalle Valo return res; 3696e705c121SKalle Valo } 3697e705c121SKalle Valo 3698e705c121SKalle Valo static int iwl_mvm_roc(struct ieee80211_hw *hw, 3699e705c121SKalle Valo struct ieee80211_vif *vif, 3700e705c121SKalle Valo struct ieee80211_channel *channel, 3701e705c121SKalle Valo int duration, 3702e705c121SKalle Valo enum ieee80211_roc_type type) 3703e705c121SKalle Valo { 3704e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3705e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3706e705c121SKalle Valo struct cfg80211_chan_def chandef; 3707e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 3708e705c121SKalle Valo int ret, i; 3709e705c121SKalle Valo 3710e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 3711e705c121SKalle Valo duration, type); 3712e705c121SKalle Valo 37139834781cSJohannes Berg /* 37149834781cSJohannes Berg * Flush the done work, just in case it's still pending, so that 37159834781cSJohannes Berg * the work it does can complete and we can accept new frames. 37169834781cSJohannes Berg */ 3717e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 3718e705c121SKalle Valo 3719e705c121SKalle Valo mutex_lock(&mvm->mutex); 3720e705c121SKalle Valo 3721e705c121SKalle Valo switch (vif->type) { 3722e705c121SKalle Valo case NL80211_IFTYPE_STATION: 3723e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 3724e705c121SKalle Valo IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 3725e705c121SKalle Valo /* Use aux roc framework (HS20) */ 3726e705c121SKalle Valo ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, 3727e705c121SKalle Valo vif, duration); 3728e705c121SKalle Valo goto out_unlock; 3729e705c121SKalle Valo } 3730e705c121SKalle Valo IWL_ERR(mvm, "hotspot not supported\n"); 3731e705c121SKalle Valo ret = -EINVAL; 3732e705c121SKalle Valo goto out_unlock; 3733e705c121SKalle Valo case NL80211_IFTYPE_P2P_DEVICE: 3734e705c121SKalle Valo /* handle below */ 3735e705c121SKalle Valo break; 3736e705c121SKalle Valo default: 3737e705c121SKalle Valo IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type); 3738e705c121SKalle Valo ret = -EINVAL; 3739e705c121SKalle Valo goto out_unlock; 3740e705c121SKalle Valo } 3741e705c121SKalle Valo 3742e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) { 3743e705c121SKalle Valo phy_ctxt = &mvm->phy_ctxts[i]; 3744e705c121SKalle Valo if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt) 3745e705c121SKalle Valo continue; 3746e705c121SKalle Valo 3747e705c121SKalle Valo if (phy_ctxt->ref && channel == phy_ctxt->channel) { 3748e705c121SKalle Valo /* 3749e705c121SKalle Valo * Unbind the P2P_DEVICE from the current PHY context, 3750e705c121SKalle Valo * and if the PHY context is not used remove it. 3751e705c121SKalle Valo */ 3752e705c121SKalle Valo ret = iwl_mvm_binding_remove_vif(mvm, vif); 3753e705c121SKalle Valo if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 3754e705c121SKalle Valo goto out_unlock; 3755e705c121SKalle Valo 3756e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 3757e705c121SKalle Valo 3758e705c121SKalle Valo /* Bind the P2P_DEVICE to the current PHY Context */ 3759e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 3760e705c121SKalle Valo 3761e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 3762e705c121SKalle Valo if (WARN(ret, "Failed binding P2P_DEVICE\n")) 3763e705c121SKalle Valo goto out_unlock; 3764e705c121SKalle Valo 3765e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 3766e705c121SKalle Valo goto schedule_time_event; 3767e705c121SKalle Valo } 3768e705c121SKalle Valo } 3769e705c121SKalle Valo 3770e705c121SKalle Valo /* Need to update the PHY context only if the ROC channel changed */ 3771e705c121SKalle Valo if (channel == mvmvif->phy_ctxt->channel) 3772e705c121SKalle Valo goto schedule_time_event; 3773e705c121SKalle Valo 3774e705c121SKalle Valo cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 3775e705c121SKalle Valo 3776e705c121SKalle Valo /* 3777e705c121SKalle Valo * Change the PHY context configuration as it is currently referenced 3778e705c121SKalle Valo * only by the P2P Device MAC 3779e705c121SKalle Valo */ 3780e705c121SKalle Valo if (mvmvif->phy_ctxt->ref == 1) { 3781e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt, 3782e705c121SKalle Valo &chandef, 1, 1); 3783e705c121SKalle Valo if (ret) 3784e705c121SKalle Valo goto out_unlock; 3785e705c121SKalle Valo } else { 3786e705c121SKalle Valo /* 3787e705c121SKalle Valo * The PHY context is shared with other MACs. Need to remove the 3788e705c121SKalle Valo * P2P Device from the binding, allocate an new PHY context and 3789e705c121SKalle Valo * create a new binding 3790e705c121SKalle Valo */ 3791e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 3792e705c121SKalle Valo if (!phy_ctxt) { 3793e705c121SKalle Valo ret = -ENOSPC; 3794e705c121SKalle Valo goto out_unlock; 3795e705c121SKalle Valo } 3796e705c121SKalle Valo 3797e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef, 3798e705c121SKalle Valo 1, 1); 3799e705c121SKalle Valo if (ret) { 3800e705c121SKalle Valo IWL_ERR(mvm, "Failed to change PHY context\n"); 3801e705c121SKalle Valo goto out_unlock; 3802e705c121SKalle Valo } 3803e705c121SKalle Valo 3804e705c121SKalle Valo /* Unbind the P2P_DEVICE from the current PHY context */ 3805e705c121SKalle Valo ret = iwl_mvm_binding_remove_vif(mvm, vif); 3806e705c121SKalle Valo if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 3807e705c121SKalle Valo goto out_unlock; 3808e705c121SKalle Valo 3809e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 3810e705c121SKalle Valo 3811e705c121SKalle Valo /* Bind the P2P_DEVICE to the new allocated PHY context */ 3812e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 3813e705c121SKalle Valo 3814e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 3815e705c121SKalle Valo if (WARN(ret, "Failed binding P2P_DEVICE\n")) 3816e705c121SKalle Valo goto out_unlock; 3817e705c121SKalle Valo 3818e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 3819e705c121SKalle Valo } 3820e705c121SKalle Valo 3821e705c121SKalle Valo schedule_time_event: 3822e705c121SKalle Valo /* Schedule the time events */ 3823e705c121SKalle Valo ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 3824e705c121SKalle Valo 3825e705c121SKalle Valo out_unlock: 3826e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3827e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 3828e705c121SKalle Valo return ret; 3829e705c121SKalle Valo } 3830e705c121SKalle Valo 3831e705c121SKalle Valo static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw) 3832e705c121SKalle Valo { 3833e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3834e705c121SKalle Valo 3835e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter\n"); 3836e705c121SKalle Valo 3837e705c121SKalle Valo mutex_lock(&mvm->mutex); 3838e705c121SKalle Valo iwl_mvm_stop_roc(mvm); 3839e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3840e705c121SKalle Valo 3841e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 3842e705c121SKalle Valo return 0; 3843e705c121SKalle Valo } 3844e705c121SKalle Valo 3845b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data { 3846b73f9a4aSJohannes Berg bool responder; 3847b73f9a4aSJohannes Berg struct ieee80211_chanctx_conf *ctx; 3848b73f9a4aSJohannes Berg }; 3849b73f9a4aSJohannes Berg 3850b73f9a4aSJohannes Berg static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac, 3851b73f9a4aSJohannes Berg struct ieee80211_vif *vif) 3852b73f9a4aSJohannes Berg { 3853b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data *data = _data; 3854b73f9a4aSJohannes Berg 3855b73f9a4aSJohannes Berg if (rcu_access_pointer(vif->chanctx_conf) == data->ctx && 3856b73f9a4aSJohannes Berg vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params) 3857b73f9a4aSJohannes Berg data->responder = true; 3858b73f9a4aSJohannes Berg } 3859b73f9a4aSJohannes Berg 3860b73f9a4aSJohannes Berg static bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm, 3861b73f9a4aSJohannes Berg struct ieee80211_chanctx_conf *ctx) 3862b73f9a4aSJohannes Berg { 3863b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data data = { 3864b73f9a4aSJohannes Berg .responder = false, 3865b73f9a4aSJohannes Berg .ctx = ctx, 3866b73f9a4aSJohannes Berg }; 3867b73f9a4aSJohannes Berg 3868b73f9a4aSJohannes Berg ieee80211_iterate_active_interfaces_atomic(mvm->hw, 3869b73f9a4aSJohannes Berg IEEE80211_IFACE_ITER_NORMAL, 3870b73f9a4aSJohannes Berg iwl_mvm_ftm_responder_chanctx_iter, 3871b73f9a4aSJohannes Berg &data); 3872b73f9a4aSJohannes Berg return data.responder; 3873b73f9a4aSJohannes Berg } 3874b73f9a4aSJohannes Berg 3875e705c121SKalle Valo static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 3876e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3877e705c121SKalle Valo { 3878e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 3879e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 3880b73f9a4aSJohannes Berg bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); 3881b73f9a4aSJohannes Berg struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; 3882e705c121SKalle Valo int ret; 3883e705c121SKalle Valo 3884e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3885e705c121SKalle Valo 3886e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 3887e705c121SKalle Valo 3888e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 3889e705c121SKalle Valo if (!phy_ctxt) { 3890e705c121SKalle Valo ret = -ENOSPC; 3891e705c121SKalle Valo goto out; 3892e705c121SKalle Valo } 3893e705c121SKalle Valo 3894b73f9a4aSJohannes Berg ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, 3895e705c121SKalle Valo ctx->rx_chains_static, 3896e705c121SKalle Valo ctx->rx_chains_dynamic); 3897e705c121SKalle Valo if (ret) { 3898e705c121SKalle Valo IWL_ERR(mvm, "Failed to add PHY context\n"); 3899e705c121SKalle Valo goto out; 3900e705c121SKalle Valo } 3901e705c121SKalle Valo 3902e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt); 3903e705c121SKalle Valo *phy_ctxt_id = phy_ctxt->id; 3904e705c121SKalle Valo out: 3905e705c121SKalle Valo return ret; 3906e705c121SKalle Valo } 3907e705c121SKalle Valo 3908e705c121SKalle Valo static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 3909e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3910e705c121SKalle Valo { 3911e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3912e705c121SKalle Valo int ret; 3913e705c121SKalle Valo 3914e705c121SKalle Valo mutex_lock(&mvm->mutex); 3915e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, ctx); 3916e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3917e705c121SKalle Valo 3918e705c121SKalle Valo return ret; 3919e705c121SKalle Valo } 3920e705c121SKalle Valo 3921e705c121SKalle Valo static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 3922e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3923e705c121SKalle Valo { 3924e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 3925e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 3926e705c121SKalle Valo 3927e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3928e705c121SKalle Valo 3929e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 3930e705c121SKalle Valo } 3931e705c121SKalle Valo 3932e705c121SKalle Valo static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 3933e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3934e705c121SKalle Valo { 3935e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3936e705c121SKalle Valo 3937e705c121SKalle Valo mutex_lock(&mvm->mutex); 3938e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, ctx); 3939e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3940e705c121SKalle Valo } 3941e705c121SKalle Valo 3942e705c121SKalle Valo static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 3943e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 3944e705c121SKalle Valo u32 changed) 3945e705c121SKalle Valo { 3946e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3947e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 3948e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 3949b73f9a4aSJohannes Berg bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); 3950b73f9a4aSJohannes Berg struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; 3951e705c121SKalle Valo 3952e705c121SKalle Valo if (WARN_ONCE((phy_ctxt->ref > 1) && 3953e705c121SKalle Valo (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 3954e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 3955e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RADAR | 3956e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), 3957e705c121SKalle Valo "Cannot change PHY. Ref=%d, changed=0x%X\n", 3958e705c121SKalle Valo phy_ctxt->ref, changed)) 3959e705c121SKalle Valo return; 3960e705c121SKalle Valo 3961e705c121SKalle Valo mutex_lock(&mvm->mutex); 39627a20bcceSEmmanuel Grumbach 39637a20bcceSEmmanuel Grumbach /* we are only changing the min_width, may be a noop */ 39647a20bcceSEmmanuel Grumbach if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) { 3965b73f9a4aSJohannes Berg if (phy_ctxt->width == def->width) 39667a20bcceSEmmanuel Grumbach goto out_unlock; 39677a20bcceSEmmanuel Grumbach 39687a20bcceSEmmanuel Grumbach /* we are just toggling between 20_NOHT and 20 */ 39697a20bcceSEmmanuel Grumbach if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && 3970b73f9a4aSJohannes Berg def->width <= NL80211_CHAN_WIDTH_20) 39717a20bcceSEmmanuel Grumbach goto out_unlock; 39727a20bcceSEmmanuel Grumbach } 39737a20bcceSEmmanuel Grumbach 3974e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 3975b73f9a4aSJohannes Berg iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, 3976e705c121SKalle Valo ctx->rx_chains_static, 3977e705c121SKalle Valo ctx->rx_chains_dynamic); 39787a20bcceSEmmanuel Grumbach 39797a20bcceSEmmanuel Grumbach out_unlock: 3980e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3981e705c121SKalle Valo } 3982e705c121SKalle Valo 3983e705c121SKalle Valo static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 3984e705c121SKalle Valo struct ieee80211_vif *vif, 3985e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 3986e705c121SKalle Valo bool switching_chanctx) 3987e705c121SKalle Valo { 3988e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 3989e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 3990e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3991e705c121SKalle Valo int ret; 3992e705c121SKalle Valo 3993e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3994e705c121SKalle Valo 3995e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 3996e705c121SKalle Valo 3997e705c121SKalle Valo switch (vif->type) { 3998e705c121SKalle Valo case NL80211_IFTYPE_AP: 3999e705c121SKalle Valo /* only needed if we're switching chanctx (i.e. during CSA) */ 4000e705c121SKalle Valo if (switching_chanctx) { 4001e705c121SKalle Valo mvmvif->ap_ibss_active = true; 4002e705c121SKalle Valo break; 4003e705c121SKalle Valo } 4004244726ecSLuca Coelho /* fall through */ 4005e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 4006e705c121SKalle Valo /* 4007e705c121SKalle Valo * The AP binding flow is handled as part of the start_ap flow 4008e705c121SKalle Valo * (in bss_info_changed), similarly for IBSS. 4009e705c121SKalle Valo */ 4010e705c121SKalle Valo ret = 0; 4011e705c121SKalle Valo goto out; 4012e705c121SKalle Valo case NL80211_IFTYPE_STATION: 401319125cb0SAndrei Otcheretianski mvmvif->csa_bcn_pending = false; 4014e705c121SKalle Valo break; 4015e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 4016e705c121SKalle Valo /* always disable PS when a monitor interface is active */ 4017e705c121SKalle Valo mvmvif->ps_disabled = true; 4018e705c121SKalle Valo break; 4019e705c121SKalle Valo default: 4020e705c121SKalle Valo ret = -EINVAL; 4021e705c121SKalle Valo goto out; 4022e705c121SKalle Valo } 4023e705c121SKalle Valo 4024e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 4025e705c121SKalle Valo if (ret) 4026e705c121SKalle Valo goto out; 4027e705c121SKalle Valo 4028e705c121SKalle Valo /* 4029e705c121SKalle Valo * Power state must be updated before quotas, 4030e705c121SKalle Valo * otherwise fw will complain. 4031e705c121SKalle Valo */ 4032e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4033e705c121SKalle Valo 4034e705c121SKalle Valo /* Setting the quota at this stage is only required for monitor 4035e705c121SKalle Valo * interfaces. For the other types, the bss_info changed flow 4036e705c121SKalle Valo * will handle quota settings. 4037e705c121SKalle Valo */ 4038e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_MONITOR) { 4039e705c121SKalle Valo mvmvif->monitor_active = true; 4040e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 4041e705c121SKalle Valo if (ret) 4042e705c121SKalle Valo goto out_remove_binding; 40430e39eb03SChaya Rachel Ivgi 40440e39eb03SChaya Rachel Ivgi ret = iwl_mvm_add_snif_sta(mvm, vif); 40450e39eb03SChaya Rachel Ivgi if (ret) 40460e39eb03SChaya Rachel Ivgi goto out_remove_binding; 40470e39eb03SChaya Rachel Ivgi 4048e705c121SKalle Valo } 4049e705c121SKalle Valo 4050e705c121SKalle Valo /* Handle binding during CSA */ 4051e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) { 4052e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 4053e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4054e705c121SKalle Valo } 4055e705c121SKalle Valo 4056e705c121SKalle Valo if (switching_chanctx && vif->type == NL80211_IFTYPE_STATION) { 405774a10252SSara Sharon mvmvif->csa_bcn_pending = true; 405874a10252SSara Sharon 405974a10252SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, 406074a10252SSara Sharon IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 406119125cb0SAndrei Otcheretianski u32 duration = 3 * vif->bss_conf.beacon_int; 4062e705c121SKalle Valo 406374a10252SSara Sharon 4064e705c121SKalle Valo /* iwl_mvm_protect_session() reads directly from the 4065e705c121SKalle Valo * device (the system time), so make sure it is 4066e705c121SKalle Valo * available. 4067e705c121SKalle Valo */ 4068e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_CSA); 4069e705c121SKalle Valo if (ret) 4070e705c121SKalle Valo goto out_remove_binding; 4071e705c121SKalle Valo 4072e705c121SKalle Valo /* Protect the session to make sure we hear the first 4073e705c121SKalle Valo * beacon on the new channel. 4074e705c121SKalle Valo */ 4075e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, duration, duration, 4076e705c121SKalle Valo vif->bss_conf.beacon_int / 2, 4077e705c121SKalle Valo true); 4078e705c121SKalle Valo 4079e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_CSA); 408074a10252SSara Sharon } 4081e705c121SKalle Valo 4082e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 4083e705c121SKalle Valo } 4084e705c121SKalle Valo 4085e705c121SKalle Valo goto out; 4086e705c121SKalle Valo 4087e705c121SKalle Valo out_remove_binding: 4088e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 4089e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4090e705c121SKalle Valo out: 4091e705c121SKalle Valo if (ret) 4092e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 4093e705c121SKalle Valo return ret; 4094e705c121SKalle Valo } 4095e705c121SKalle Valo static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 4096e705c121SKalle Valo struct ieee80211_vif *vif, 4097e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4098e705c121SKalle Valo { 4099e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4100e705c121SKalle Valo int ret; 4101e705c121SKalle Valo 4102e705c121SKalle Valo mutex_lock(&mvm->mutex); 4103e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false); 4104e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4105e705c121SKalle Valo 4106e705c121SKalle Valo return ret; 4107e705c121SKalle Valo } 4108e705c121SKalle Valo 4109e705c121SKalle Valo static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 4110e705c121SKalle Valo struct ieee80211_vif *vif, 4111e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 4112e705c121SKalle Valo bool switching_chanctx) 4113e705c121SKalle Valo { 4114e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4115e705c121SKalle Valo struct ieee80211_vif *disabled_vif = NULL; 4116e705c121SKalle Valo 4117e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4118e705c121SKalle Valo 4119e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data); 4120e705c121SKalle Valo 4121e705c121SKalle Valo switch (vif->type) { 4122e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 4123e705c121SKalle Valo goto out; 4124e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 4125e705c121SKalle Valo mvmvif->monitor_active = false; 4126e705c121SKalle Valo mvmvif->ps_disabled = false; 41270e39eb03SChaya Rachel Ivgi iwl_mvm_rm_snif_sta(mvm, vif); 4128e705c121SKalle Valo break; 4129e705c121SKalle Valo case NL80211_IFTYPE_AP: 4130e705c121SKalle Valo /* This part is triggered only during CSA */ 4131e705c121SKalle Valo if (!switching_chanctx || !mvmvif->ap_ibss_active) 4132e705c121SKalle Valo goto out; 4133e705c121SKalle Valo 4134e705c121SKalle Valo mvmvif->csa_countdown = false; 4135e705c121SKalle Valo 4136e705c121SKalle Valo /* Set CS bit on all the stations */ 4137e705c121SKalle Valo iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 4138e705c121SKalle Valo 4139e705c121SKalle Valo /* Save blocked iface, the timeout is set on the next beacon */ 4140e705c121SKalle Valo rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 4141e705c121SKalle Valo 4142e705c121SKalle Valo mvmvif->ap_ibss_active = false; 4143e705c121SKalle Valo break; 4144e705c121SKalle Valo case NL80211_IFTYPE_STATION: 4145e705c121SKalle Valo if (!switching_chanctx) 4146e705c121SKalle Valo break; 4147e705c121SKalle Valo 4148e705c121SKalle Valo disabled_vif = vif; 4149e705c121SKalle Valo 415074a10252SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, 415174a10252SSara Sharon IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 4152e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 4153e705c121SKalle Valo break; 4154e705c121SKalle Valo default: 4155e705c121SKalle Valo break; 4156e705c121SKalle Valo } 4157e705c121SKalle Valo 4158e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, disabled_vif); 4159e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 4160e705c121SKalle Valo 4161e705c121SKalle Valo out: 4162e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 4163e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4164e705c121SKalle Valo } 4165e705c121SKalle Valo 4166e705c121SKalle Valo static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 4167e705c121SKalle Valo struct ieee80211_vif *vif, 4168e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4169e705c121SKalle Valo { 4170e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4171e705c121SKalle Valo 4172e705c121SKalle Valo mutex_lock(&mvm->mutex); 4173e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false); 4174e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4175e705c121SKalle Valo } 4176e705c121SKalle Valo 4177e705c121SKalle Valo static int 4178e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 4179e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs) 4180e705c121SKalle Valo { 4181e705c121SKalle Valo int ret; 4182e705c121SKalle Valo 4183e705c121SKalle Valo mutex_lock(&mvm->mutex); 4184e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); 4185e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 4186e705c121SKalle Valo 4187e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 4188e705c121SKalle Valo if (ret) { 4189e705c121SKalle Valo IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 4190e705c121SKalle Valo goto out_reassign; 4191e705c121SKalle Valo } 4192e705c121SKalle Valo 4193e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, 4194e705c121SKalle Valo true); 4195e705c121SKalle Valo if (ret) { 4196e705c121SKalle Valo IWL_ERR(mvm, 4197e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 4198e705c121SKalle Valo goto out_remove; 4199e705c121SKalle Valo } 4200e705c121SKalle Valo 4201e705c121SKalle Valo /* we don't support TDLS during DCM - can be caused by channel switch */ 4202e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 4203e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 4204e705c121SKalle Valo 4205e705c121SKalle Valo goto out; 4206e705c121SKalle Valo 4207e705c121SKalle Valo out_remove: 4208e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 4209e705c121SKalle Valo 4210e705c121SKalle Valo out_reassign: 4211e705c121SKalle Valo if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 4212e705c121SKalle Valo IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 4213e705c121SKalle Valo goto out_restart; 4214e705c121SKalle Valo } 4215e705c121SKalle Valo 4216e705c121SKalle Valo if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, 4217e705c121SKalle Valo true)) { 4218e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 4219e705c121SKalle Valo goto out_restart; 4220e705c121SKalle Valo } 4221e705c121SKalle Valo 4222e705c121SKalle Valo goto out; 4223e705c121SKalle Valo 4224e705c121SKalle Valo out_restart: 4225e705c121SKalle Valo /* things keep failing, better restart the hw */ 4226e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 4227e705c121SKalle Valo 4228e705c121SKalle Valo out: 4229e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4230e705c121SKalle Valo 4231e705c121SKalle Valo return ret; 4232e705c121SKalle Valo } 4233e705c121SKalle Valo 4234e705c121SKalle Valo static int 4235e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 4236e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs) 4237e705c121SKalle Valo { 4238e705c121SKalle Valo int ret; 4239e705c121SKalle Valo 4240e705c121SKalle Valo mutex_lock(&mvm->mutex); 4241e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); 4242e705c121SKalle Valo 4243e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, 4244e705c121SKalle Valo true); 4245e705c121SKalle Valo if (ret) { 4246e705c121SKalle Valo IWL_ERR(mvm, 4247e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 4248e705c121SKalle Valo goto out_reassign; 4249e705c121SKalle Valo } 4250e705c121SKalle Valo 4251e705c121SKalle Valo goto out; 4252e705c121SKalle Valo 4253e705c121SKalle Valo out_reassign: 4254e705c121SKalle Valo if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, 4255e705c121SKalle Valo true)) { 4256e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 4257e705c121SKalle Valo goto out_restart; 4258e705c121SKalle Valo } 4259e705c121SKalle Valo 4260e705c121SKalle Valo goto out; 4261e705c121SKalle Valo 4262e705c121SKalle Valo out_restart: 4263e705c121SKalle Valo /* things keep failing, better restart the hw */ 4264e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 4265e705c121SKalle Valo 4266e705c121SKalle Valo out: 4267e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4268e705c121SKalle Valo 4269e705c121SKalle Valo return ret; 4270e705c121SKalle Valo } 4271e705c121SKalle Valo 4272e705c121SKalle Valo static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 4273e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs, 4274e705c121SKalle Valo int n_vifs, 4275e705c121SKalle Valo enum ieee80211_chanctx_switch_mode mode) 4276e705c121SKalle Valo { 4277e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4278e705c121SKalle Valo int ret; 4279e705c121SKalle Valo 4280e705c121SKalle Valo /* we only support a single-vif right now */ 4281e705c121SKalle Valo if (n_vifs > 1) 4282e705c121SKalle Valo return -EOPNOTSUPP; 4283e705c121SKalle Valo 4284e705c121SKalle Valo switch (mode) { 4285e705c121SKalle Valo case CHANCTX_SWMODE_SWAP_CONTEXTS: 4286e705c121SKalle Valo ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs); 4287e705c121SKalle Valo break; 4288e705c121SKalle Valo case CHANCTX_SWMODE_REASSIGN_VIF: 4289e705c121SKalle Valo ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs); 4290e705c121SKalle Valo break; 4291e705c121SKalle Valo default: 4292e705c121SKalle Valo ret = -EOPNOTSUPP; 4293e705c121SKalle Valo break; 4294e705c121SKalle Valo } 4295e705c121SKalle Valo 4296e705c121SKalle Valo return ret; 4297e705c121SKalle Valo } 4298e705c121SKalle Valo 42992f0282dbSJohannes Berg static int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 43002f0282dbSJohannes Berg { 43012f0282dbSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 43022f0282dbSJohannes Berg 43032f0282dbSJohannes Berg return mvm->ibss_manager; 43042f0282dbSJohannes Berg } 43052f0282dbSJohannes Berg 4306e705c121SKalle Valo static int iwl_mvm_set_tim(struct ieee80211_hw *hw, 4307e705c121SKalle Valo struct ieee80211_sta *sta, 4308e705c121SKalle Valo bool set) 4309e705c121SKalle Valo { 4310e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4311e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 4312e705c121SKalle Valo 4313e705c121SKalle Valo if (!mvm_sta || !mvm_sta->vif) { 4314e705c121SKalle Valo IWL_ERR(mvm, "Station is not associated to a vif\n"); 4315e705c121SKalle Valo return -EINVAL; 4316e705c121SKalle Valo } 4317e705c121SKalle Valo 4318e705c121SKalle Valo return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif); 4319e705c121SKalle Valo } 4320e705c121SKalle Valo 4321e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 4322e705c121SKalle Valo static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { 4323e705c121SKalle Valo [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, 4324e705c121SKalle Valo [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, 4325e705c121SKalle Valo [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, 4326e705c121SKalle Valo }; 4327e705c121SKalle Valo 4328e705c121SKalle Valo static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, 4329e705c121SKalle Valo struct ieee80211_vif *vif, 4330e705c121SKalle Valo void *data, int len) 4331e705c121SKalle Valo { 4332e705c121SKalle Valo struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; 4333e705c121SKalle Valo int err; 4334e705c121SKalle Valo u32 noa_duration; 4335e705c121SKalle Valo 4336fceb6435SJohannes Berg err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy, 4337fceb6435SJohannes Berg NULL); 4338e705c121SKalle Valo if (err) 4339e705c121SKalle Valo return err; 4340e705c121SKalle Valo 4341e705c121SKalle Valo if (!tb[IWL_MVM_TM_ATTR_CMD]) 4342e705c121SKalle Valo return -EINVAL; 4343e705c121SKalle Valo 4344e705c121SKalle Valo switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { 4345e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_NOA: 4346e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || 4347e705c121SKalle Valo !vif->bss_conf.enable_beacon || 4348e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) 4349e705c121SKalle Valo return -EINVAL; 4350e705c121SKalle Valo 4351e705c121SKalle Valo noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); 4352e705c121SKalle Valo if (noa_duration >= vif->bss_conf.beacon_int) 4353e705c121SKalle Valo return -EINVAL; 4354e705c121SKalle Valo 4355e705c121SKalle Valo mvm->noa_duration = noa_duration; 4356e705c121SKalle Valo mvm->noa_vif = vif; 4357e705c121SKalle Valo 435822b21041SShaul Triebitz return iwl_mvm_update_quotas(mvm, true, NULL); 4359e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_BEACON_FILTER: 4360e705c121SKalle Valo /* must be associated client vif - ignore authorized */ 4361e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_STATION || 4362e705c121SKalle Valo !vif->bss_conf.assoc || !vif->bss_conf.dtim_period || 4363e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) 4364e705c121SKalle Valo return -EINVAL; 4365e705c121SKalle Valo 4366e705c121SKalle Valo if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) 4367e705c121SKalle Valo return iwl_mvm_enable_beacon_filter(mvm, vif, 0); 4368e705c121SKalle Valo return iwl_mvm_disable_beacon_filter(mvm, vif, 0); 4369e705c121SKalle Valo } 4370e705c121SKalle Valo 4371e705c121SKalle Valo return -EOPNOTSUPP; 4372e705c121SKalle Valo } 4373e705c121SKalle Valo 4374e705c121SKalle Valo static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, 4375e705c121SKalle Valo struct ieee80211_vif *vif, 4376e705c121SKalle Valo void *data, int len) 4377e705c121SKalle Valo { 4378e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4379e705c121SKalle Valo int err; 4380e705c121SKalle Valo 4381e705c121SKalle Valo mutex_lock(&mvm->mutex); 4382e705c121SKalle Valo err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); 4383e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4384e705c121SKalle Valo 4385e705c121SKalle Valo return err; 4386e705c121SKalle Valo } 4387e705c121SKalle Valo #endif 4388e705c121SKalle Valo 4389e705c121SKalle Valo static void iwl_mvm_channel_switch(struct ieee80211_hw *hw, 4390e705c121SKalle Valo struct ieee80211_vif *vif, 4391e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 4392e705c121SKalle Valo { 4393e705c121SKalle Valo /* By implementing this operation, we prevent mac80211 from 4394e705c121SKalle Valo * starting its own channel switch timer, so that we can call 4395e705c121SKalle Valo * ieee80211_chswitch_done() ourselves at the right time 4396e705c121SKalle Valo * (which is when the absence time event starts). 4397e705c121SKalle Valo */ 4398e705c121SKalle Valo 4399e705c121SKalle Valo IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 4400e705c121SKalle Valo "dummy channel switch op\n"); 4401e705c121SKalle Valo } 4402e705c121SKalle Valo 440374a10252SSara Sharon static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, 440474a10252SSara Sharon struct ieee80211_vif *vif, 440574a10252SSara Sharon struct ieee80211_channel_switch *chsw) 440674a10252SSara Sharon { 440774a10252SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 440874a10252SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 440974a10252SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 441074a10252SSara Sharon mvmvif->color)), 441174a10252SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 441274a10252SSara Sharon .tsf = cpu_to_le32(chsw->timestamp), 441374a10252SSara Sharon .cs_count = chsw->count, 441474a10252SSara Sharon }; 441574a10252SSara Sharon 441674a10252SSara Sharon lockdep_assert_held(&mvm->mutex); 441774a10252SSara Sharon 441874a10252SSara Sharon return iwl_mvm_send_cmd_pdu(mvm, 441974a10252SSara Sharon WIDE_ID(MAC_CONF_GROUP, 442074a10252SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 442174a10252SSara Sharon 0, sizeof(cmd), &cmd); 442274a10252SSara Sharon } 442374a10252SSara Sharon 4424e705c121SKalle Valo static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, 4425e705c121SKalle Valo struct ieee80211_vif *vif, 4426e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 4427e705c121SKalle Valo { 4428e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4429e705c121SKalle Valo struct ieee80211_vif *csa_vif; 4430e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4431e705c121SKalle Valo u32 apply_time; 4432e705c121SKalle Valo int ret; 4433e705c121SKalle Valo 4434e705c121SKalle Valo mutex_lock(&mvm->mutex); 4435e705c121SKalle Valo 4436e705c121SKalle Valo mvmvif->csa_failed = false; 4437e705c121SKalle Valo 4438e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 4439e705c121SKalle Valo chsw->chandef.center_freq1); 4440e705c121SKalle Valo 44417174beb6SJohannes Berg iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 44427174beb6SJohannes Berg ieee80211_vif_to_wdev(vif), 44437174beb6SJohannes Berg FW_DBG_TRIGGER_CHANNEL_SWITCH); 4444e705c121SKalle Valo 4445e705c121SKalle Valo switch (vif->type) { 4446e705c121SKalle Valo case NL80211_IFTYPE_AP: 4447e705c121SKalle Valo csa_vif = 4448e705c121SKalle Valo rcu_dereference_protected(mvm->csa_vif, 4449e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 4450e705c121SKalle Valo if (WARN_ONCE(csa_vif && csa_vif->csa_active, 4451e705c121SKalle Valo "Another CSA is already in progress")) { 4452e705c121SKalle Valo ret = -EBUSY; 4453e705c121SKalle Valo goto out_unlock; 4454e705c121SKalle Valo } 4455e705c121SKalle Valo 4456d3a108a4SAndrei Otcheretianski /* we still didn't unblock tx. prevent new CS meanwhile */ 4457d3a108a4SAndrei Otcheretianski if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 4458d3a108a4SAndrei Otcheretianski lockdep_is_held(&mvm->mutex))) { 4459d3a108a4SAndrei Otcheretianski ret = -EBUSY; 4460d3a108a4SAndrei Otcheretianski goto out_unlock; 4461d3a108a4SAndrei Otcheretianski } 4462d3a108a4SAndrei Otcheretianski 4463e705c121SKalle Valo rcu_assign_pointer(mvm->csa_vif, vif); 4464e705c121SKalle Valo 4465e705c121SKalle Valo if (WARN_ONCE(mvmvif->csa_countdown, 4466e705c121SKalle Valo "Previous CSA countdown didn't complete")) { 4467e705c121SKalle Valo ret = -EBUSY; 4468e705c121SKalle Valo goto out_unlock; 4469e705c121SKalle Valo } 4470e705c121SKalle Valo 4471d3a108a4SAndrei Otcheretianski mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 4472d3a108a4SAndrei Otcheretianski 4473e705c121SKalle Valo break; 4474e705c121SKalle Valo case NL80211_IFTYPE_STATION: 4475e705c121SKalle Valo /* Schedule the time event to a bit before beacon 1, 4476e705c121SKalle Valo * to make sure we're in the new channel when the 4477f5d8f50fSIlan Peer * GO/AP arrives. In case count <= 1 immediately schedule the 4478f5d8f50fSIlan Peer * TE (this might result with some packet loss or connection 4479f5d8f50fSIlan Peer * loss). 4480e705c121SKalle Valo */ 4481f5d8f50fSIlan Peer if (chsw->count <= 1) 4482f5d8f50fSIlan Peer apply_time = 0; 4483f5d8f50fSIlan Peer else 4484e705c121SKalle Valo apply_time = chsw->device_timestamp + 4485e705c121SKalle Valo ((vif->bss_conf.beacon_int * (chsw->count - 1) - 4486e705c121SKalle Valo IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 4487e705c121SKalle Valo 4488e705c121SKalle Valo if (chsw->block_tx) 4489e705c121SKalle Valo iwl_mvm_csa_client_absent(mvm, vif); 4490e705c121SKalle Valo 4491e705c121SKalle Valo if (mvmvif->bf_data.bf_enabled) { 4492e705c121SKalle Valo ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 4493e705c121SKalle Valo if (ret) 4494e705c121SKalle Valo goto out_unlock; 4495e705c121SKalle Valo } 4496e705c121SKalle Valo 449774a10252SSara Sharon if (fw_has_capa(&mvm->fw->ucode_capa, 449874a10252SSara Sharon IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 449974a10252SSara Sharon iwl_mvm_schedule_client_csa(mvm, vif, chsw); 450074a10252SSara Sharon else 450174a10252SSara Sharon iwl_mvm_schedule_csa_period(mvm, vif, 450274a10252SSara Sharon vif->bss_conf.beacon_int, 450374a10252SSara Sharon apply_time); 4504e705c121SKalle Valo break; 4505e705c121SKalle Valo default: 4506e705c121SKalle Valo break; 4507e705c121SKalle Valo } 4508e705c121SKalle Valo 4509e705c121SKalle Valo mvmvif->ps_disabled = true; 4510e705c121SKalle Valo 4511e705c121SKalle Valo ret = iwl_mvm_power_update_ps(mvm); 4512e705c121SKalle Valo if (ret) 4513e705c121SKalle Valo goto out_unlock; 4514e705c121SKalle Valo 4515e705c121SKalle Valo /* we won't be on this channel any longer */ 4516e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 4517e705c121SKalle Valo 4518e705c121SKalle Valo out_unlock: 4519e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4520e705c121SKalle Valo 4521e705c121SKalle Valo return ret; 4522e705c121SKalle Valo } 4523e705c121SKalle Valo 4524e705c121SKalle Valo static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 4525e705c121SKalle Valo struct ieee80211_vif *vif) 4526e705c121SKalle Valo { 4527e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4528e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4529e705c121SKalle Valo int ret; 4530e705c121SKalle Valo 4531e705c121SKalle Valo mutex_lock(&mvm->mutex); 4532e705c121SKalle Valo 4533e705c121SKalle Valo if (mvmvif->csa_failed) { 4534e705c121SKalle Valo mvmvif->csa_failed = false; 4535e705c121SKalle Valo ret = -EIO; 4536e705c121SKalle Valo goto out_unlock; 4537e705c121SKalle Valo } 4538e705c121SKalle Valo 4539e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION) { 4540e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 4541e705c121SKalle Valo 454219125cb0SAndrei Otcheretianski mvmvif->csa_bcn_pending = false; 4543e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_staid_protected(mvm, 4544e705c121SKalle Valo mvmvif->ap_sta_id); 4545e705c121SKalle Valo 4546e705c121SKalle Valo if (WARN_ON(!mvmsta)) { 4547e705c121SKalle Valo ret = -EIO; 4548e705c121SKalle Valo goto out_unlock; 4549e705c121SKalle Valo } 4550e705c121SKalle Valo 4551e705c121SKalle Valo iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 4552e705c121SKalle Valo 4553e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4554e705c121SKalle Valo 4555e705c121SKalle Valo ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 4556e705c121SKalle Valo if (ret) 4557e705c121SKalle Valo goto out_unlock; 4558e705c121SKalle Valo 4559e705c121SKalle Valo iwl_mvm_stop_session_protection(mvm, vif); 4560e705c121SKalle Valo } 4561e705c121SKalle Valo 4562e705c121SKalle Valo mvmvif->ps_disabled = false; 4563e705c121SKalle Valo 4564e705c121SKalle Valo ret = iwl_mvm_power_update_ps(mvm); 4565e705c121SKalle Valo 4566e705c121SKalle Valo out_unlock: 4567e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4568e705c121SKalle Valo 4569e705c121SKalle Valo return ret; 4570e705c121SKalle Valo } 4571e705c121SKalle Valo 45726110d9e5SDavid Spinadel static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) 45736110d9e5SDavid Spinadel { 4574435d0827SSara Sharon int i; 4575435d0827SSara Sharon 457606195639SSara Sharon if (!iwl_mvm_has_new_tx_api(mvm)) { 4577309c4848SLuca Coelho if (drop) { 4578309c4848SLuca Coelho mutex_lock(&mvm->mutex); 45796110d9e5SDavid Spinadel iwl_mvm_flush_tx_path(mvm, 4580435d0827SSara Sharon iwl_mvm_flushable_queues(mvm) & queues, 0); 4581309c4848SLuca Coelho mutex_unlock(&mvm->mutex); 4582309c4848SLuca Coelho } else { 4583435d0827SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, queues); 4584309c4848SLuca Coelho } 4585435d0827SSara Sharon return; 4586435d0827SSara Sharon } 45876110d9e5SDavid Spinadel 45886110d9e5SDavid Spinadel mutex_lock(&mvm->mutex); 45896110d9e5SDavid Spinadel for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) { 4590435d0827SSara Sharon struct ieee80211_sta *sta; 4591435d0827SSara Sharon 4592435d0827SSara Sharon sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 45936110d9e5SDavid Spinadel lockdep_is_held(&mvm->mutex)); 45946110d9e5SDavid Spinadel if (IS_ERR_OR_NULL(sta)) 45956110d9e5SDavid Spinadel continue; 45966110d9e5SDavid Spinadel 459706195639SSara Sharon if (drop) 459806195639SSara Sharon iwl_mvm_flush_sta_tids(mvm, i, 0xFF, 0); 459906195639SSara Sharon else 46006110d9e5SDavid Spinadel iwl_mvm_wait_sta_queues_empty(mvm, 46016110d9e5SDavid Spinadel iwl_mvm_sta_from_mac80211(sta)); 46026110d9e5SDavid Spinadel } 46036110d9e5SDavid Spinadel mutex_unlock(&mvm->mutex); 46046110d9e5SDavid Spinadel } 46056110d9e5SDavid Spinadel 4606e705c121SKalle Valo static void iwl_mvm_mac_flush(struct ieee80211_hw *hw, 4607e705c121SKalle Valo struct ieee80211_vif *vif, u32 queues, bool drop) 4608e705c121SKalle Valo { 4609e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4610e705c121SKalle Valo struct iwl_mvm_vif *mvmvif; 4611e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 4612e705c121SKalle Valo struct ieee80211_sta *sta; 4613e705c121SKalle Valo int i; 4614e705c121SKalle Valo u32 msk = 0; 4615e705c121SKalle Valo 46166110d9e5SDavid Spinadel if (!vif) { 46176110d9e5SDavid Spinadel iwl_mvm_flush_no_vif(mvm, queues, drop); 46186110d9e5SDavid Spinadel return; 46196110d9e5SDavid Spinadel } 46206110d9e5SDavid Spinadel 46216110d9e5SDavid Spinadel if (vif->type != NL80211_IFTYPE_STATION) 4622e705c121SKalle Valo return; 4623e705c121SKalle Valo 462424afba76SLiad Kaufman /* Make sure we're done with the deferred traffic before flushing */ 462524afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 462624afba76SLiad Kaufman 4627e705c121SKalle Valo mutex_lock(&mvm->mutex); 4628e705c121SKalle Valo mvmvif = iwl_mvm_vif_from_mac80211(vif); 4629e705c121SKalle Valo 4630e705c121SKalle Valo /* flush the AP-station and all TDLS peers */ 46310ae98812SSara Sharon for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) { 4632e705c121SKalle Valo sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 4633e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 4634e705c121SKalle Valo if (IS_ERR_OR_NULL(sta)) 4635e705c121SKalle Valo continue; 4636e705c121SKalle Valo 4637e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_mac80211(sta); 4638e705c121SKalle Valo if (mvmsta->vif != vif) 4639e705c121SKalle Valo continue; 4640e705c121SKalle Valo 4641e705c121SKalle Valo /* make sure only TDLS peers or the AP are flushed */ 4642e705c121SKalle Valo WARN_ON(i != mvmvif->ap_sta_id && !sta->tdls); 4643e705c121SKalle Valo 4644d49394a1SSara Sharon if (drop) { 4645d49394a1SSara Sharon if (iwl_mvm_flush_sta(mvm, mvmsta, false, 0)) 4646d49394a1SSara Sharon IWL_ERR(mvm, "flush request fail\n"); 4647d49394a1SSara Sharon } else { 4648e705c121SKalle Valo msk |= mvmsta->tfd_queue_msk; 4649d6d517b7SSara Sharon if (iwl_mvm_has_new_tx_api(mvm)) 4650d6d517b7SSara Sharon iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 4651e705c121SKalle Valo } 4652d49394a1SSara Sharon } 4653e705c121SKalle Valo 4654e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4655e705c121SKalle Valo 4656e705c121SKalle Valo /* this can take a while, and we may need/want other operations 4657e705c121SKalle Valo * to succeed while doing this, so do it without the mutex held 4658e705c121SKalle Valo */ 4659d6d517b7SSara Sharon if (!drop && !iwl_mvm_has_new_tx_api(mvm)) 4660a1a57877SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 4661e705c121SKalle Valo } 4662e705c121SKalle Valo 4663e705c121SKalle Valo static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 4664e705c121SKalle Valo struct survey_info *survey) 4665e705c121SKalle Valo { 4666e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4667e705c121SKalle Valo int ret; 4668e705c121SKalle Valo 4669e705c121SKalle Valo memset(survey, 0, sizeof(*survey)); 4670e705c121SKalle Valo 4671e705c121SKalle Valo /* only support global statistics right now */ 4672e705c121SKalle Valo if (idx != 0) 4673e705c121SKalle Valo return -ENOENT; 4674e705c121SKalle Valo 4675280a3efaSJohannes Berg if (!fw_has_capa(&mvm->fw->ucode_capa, 4676e705c121SKalle Valo IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 4677e705c121SKalle Valo return -ENOENT; 4678e705c121SKalle Valo 4679e705c121SKalle Valo mutex_lock(&mvm->mutex); 4680e705c121SKalle Valo 4681aab6930dSJohannes Berg if (iwl_mvm_firmware_running(mvm)) { 4682e705c121SKalle Valo ret = iwl_mvm_request_statistics(mvm, false); 4683e705c121SKalle Valo if (ret) 4684e705c121SKalle Valo goto out; 4685e705c121SKalle Valo } 4686e705c121SKalle Valo 4687e705c121SKalle Valo survey->filled = SURVEY_INFO_TIME | 4688e705c121SKalle Valo SURVEY_INFO_TIME_RX | 4689e705c121SKalle Valo SURVEY_INFO_TIME_TX | 4690e705c121SKalle Valo SURVEY_INFO_TIME_SCAN; 4691e705c121SKalle Valo survey->time = mvm->accu_radio_stats.on_time_rf + 4692e705c121SKalle Valo mvm->radio_stats.on_time_rf; 4693e705c121SKalle Valo do_div(survey->time, USEC_PER_MSEC); 4694e705c121SKalle Valo 4695e705c121SKalle Valo survey->time_rx = mvm->accu_radio_stats.rx_time + 4696e705c121SKalle Valo mvm->radio_stats.rx_time; 4697e705c121SKalle Valo do_div(survey->time_rx, USEC_PER_MSEC); 4698e705c121SKalle Valo 4699e705c121SKalle Valo survey->time_tx = mvm->accu_radio_stats.tx_time + 4700e705c121SKalle Valo mvm->radio_stats.tx_time; 4701e705c121SKalle Valo do_div(survey->time_tx, USEC_PER_MSEC); 4702e705c121SKalle Valo 4703e705c121SKalle Valo survey->time_scan = mvm->accu_radio_stats.on_time_scan + 4704e705c121SKalle Valo mvm->radio_stats.on_time_scan; 4705e705c121SKalle Valo do_div(survey->time_scan, USEC_PER_MSEC); 4706e705c121SKalle Valo 4707e705c121SKalle Valo ret = 0; 4708e705c121SKalle Valo out: 4709e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4710e705c121SKalle Valo return ret; 4711e705c121SKalle Valo } 4712e705c121SKalle Valo 4713e705c121SKalle Valo static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 4714e705c121SKalle Valo struct ieee80211_vif *vif, 4715e705c121SKalle Valo struct ieee80211_sta *sta, 4716e705c121SKalle Valo struct station_info *sinfo) 4717e705c121SKalle Valo { 4718e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4719e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4720e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 4721e705c121SKalle Valo 4722988b5968SSara Sharon if (mvmsta->avg_energy) { 4723988b5968SSara Sharon sinfo->signal_avg = mvmsta->avg_energy; 472422d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 4725988b5968SSara Sharon } 4726988b5968SSara Sharon 4727e705c121SKalle Valo /* if beacon filtering isn't on mac80211 does it anyway */ 4728e705c121SKalle Valo if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 4729e705c121SKalle Valo return; 4730e705c121SKalle Valo 4731e705c121SKalle Valo if (!vif->bss_conf.assoc) 4732e705c121SKalle Valo return; 4733e705c121SKalle Valo 4734e705c121SKalle Valo mutex_lock(&mvm->mutex); 4735e705c121SKalle Valo 4736e705c121SKalle Valo if (mvmvif->ap_sta_id != mvmsta->sta_id) 4737e705c121SKalle Valo goto unlock; 4738e705c121SKalle Valo 4739e705c121SKalle Valo if (iwl_mvm_request_statistics(mvm, false)) 4740e705c121SKalle Valo goto unlock; 4741e705c121SKalle Valo 4742e705c121SKalle Valo sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons + 4743e705c121SKalle Valo mvmvif->beacon_stats.accu_num_beacons; 474422d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); 4745e705c121SKalle Valo if (mvmvif->beacon_stats.avg_signal) { 4746e705c121SKalle Valo /* firmware only reports a value after RXing a few beacons */ 4747e705c121SKalle Valo sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal; 474822d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 4749e705c121SKalle Valo } 4750e705c121SKalle Valo unlock: 4751e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4752e705c121SKalle Valo } 4753e705c121SKalle Valo 4754e705c121SKalle Valo static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 4755e705c121SKalle Valo struct ieee80211_vif *vif, 4756e705c121SKalle Valo const struct ieee80211_event *event) 4757e705c121SKalle Valo { 47584c324a51SLuca Coelho #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 4759e705c121SKalle Valo do { \ 47604c324a51SLuca Coelho if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 4761e705c121SKalle Valo break; \ 47627174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 4763e705c121SKalle Valo } while (0) 4764e705c121SKalle Valo 4765e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 4766e705c121SKalle Valo struct iwl_fw_dbg_trigger_mlme *trig_mlme; 4767e705c121SKalle Valo 47686c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 47696c042d75SSara Sharon FW_DBG_TRIGGER_MLME); 47706c042d75SSara Sharon if (!trig) 4771e705c121SKalle Valo return; 4772e705c121SKalle Valo 4773e705c121SKalle Valo trig_mlme = (void *)trig->data; 4774e705c121SKalle Valo 4775e705c121SKalle Valo if (event->u.mlme.data == ASSOC_EVENT) { 4776e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 47774c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_denied, 4778e705c121SKalle Valo "DENIED ASSOC: reason %d", 4779e705c121SKalle Valo event->u.mlme.reason); 4780e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 47814c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_timeout, 4782e705c121SKalle Valo "ASSOC TIMEOUT"); 4783e705c121SKalle Valo } else if (event->u.mlme.data == AUTH_EVENT) { 4784e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 47854c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_denied, 4786e705c121SKalle Valo "DENIED AUTH: reason %d", 4787e705c121SKalle Valo event->u.mlme.reason); 4788e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 47894c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_timeout, 4790e705c121SKalle Valo "AUTH TIMEOUT"); 4791e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 47924c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_rx_deauth, 4793e705c121SKalle Valo "DEAUTH RX %d", event->u.mlme.reason); 4794e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 47954c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_tx_deauth, 4796e705c121SKalle Valo "DEAUTH TX %d", event->u.mlme.reason); 4797e705c121SKalle Valo } 4798e705c121SKalle Valo #undef CHECK_MLME_TRIGGER 4799e705c121SKalle Valo } 4800e705c121SKalle Valo 4801e705c121SKalle Valo static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 4802e705c121SKalle Valo struct ieee80211_vif *vif, 4803e705c121SKalle Valo const struct ieee80211_event *event) 4804e705c121SKalle Valo { 4805e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 4806e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 4807e705c121SKalle Valo 48086c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 48096c042d75SSara Sharon FW_DBG_TRIGGER_BA); 48106c042d75SSara Sharon if (!trig) 4811e705c121SKalle Valo return; 4812e705c121SKalle Valo 4813e705c121SKalle Valo ba_trig = (void *)trig->data; 4814e705c121SKalle Valo 4815e705c121SKalle Valo if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 4816e705c121SKalle Valo return; 4817e705c121SKalle Valo 48187174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 4819e705c121SKalle Valo "BAR received from %pM, tid %d, ssn %d", 4820e705c121SKalle Valo event->u.ba.sta->addr, event->u.ba.tid, 4821e705c121SKalle Valo event->u.ba.ssn); 4822e705c121SKalle Valo } 4823e705c121SKalle Valo 4824e705c121SKalle Valo static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 4825e705c121SKalle Valo struct ieee80211_vif *vif, 4826e705c121SKalle Valo const struct ieee80211_event *event) 4827e705c121SKalle Valo { 4828e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4829e705c121SKalle Valo 4830e705c121SKalle Valo switch (event->type) { 4831e705c121SKalle Valo case MLME_EVENT: 4832e705c121SKalle Valo iwl_mvm_event_mlme_callback(mvm, vif, event); 4833e705c121SKalle Valo break; 4834e705c121SKalle Valo case BAR_RX_EVENT: 4835e705c121SKalle Valo iwl_mvm_event_bar_rx_callback(mvm, vif, event); 4836e705c121SKalle Valo break; 4837e705c121SKalle Valo case BA_FRAME_TIMEOUT: 4838528a542aSEmmanuel Grumbach iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, 4839528a542aSEmmanuel Grumbach event->u.ba.tid); 4840e705c121SKalle Valo break; 4841e705c121SKalle Valo default: 4842e705c121SKalle Valo break; 4843e705c121SKalle Valo } 4844e705c121SKalle Valo } 4845e705c121SKalle Valo 4846d0ff5d22SSara Sharon void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 4847d0ff5d22SSara Sharon struct iwl_mvm_internal_rxq_notif *notif, 4848d0ff5d22SSara Sharon u32 size) 48490636b938SSara Sharon { 48500636b938SSara Sharon u32 qmask = BIT(mvm->trans->num_rx_queues) - 1; 48510636b938SSara Sharon int ret; 48520636b938SSara Sharon 48530636b938SSara Sharon lockdep_assert_held(&mvm->mutex); 48540636b938SSara Sharon 4855cb8550e1SSara Sharon if (!iwl_mvm_has_new_rx_api(mvm)) 48560636b938SSara Sharon return; 48570636b938SSara Sharon 4858d0ff5d22SSara Sharon notif->cookie = mvm->queue_sync_cookie; 48590636b938SSara Sharon 4860d0ff5d22SSara Sharon if (notif->sync) 4861d0ff5d22SSara Sharon atomic_set(&mvm->queue_sync_counter, 4862d0ff5d22SSara Sharon mvm->trans->num_rx_queues); 4863d0ff5d22SSara Sharon 4864d0ff5d22SSara Sharon ret = iwl_mvm_notify_rx_queue(mvm, qmask, (u8 *)notif, size); 48650636b938SSara Sharon if (ret) { 48660636b938SSara Sharon IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 48670636b938SSara Sharon goto out; 48680636b938SSara Sharon } 4869d0ff5d22SSara Sharon 48706ad04359SJohannes Berg if (notif->sync) { 48713a732c65SSara Sharon ret = wait_event_timeout(mvm->rx_sync_waitq, 48726ad04359SJohannes Berg atomic_read(&mvm->queue_sync_counter) == 0 || 48736ad04359SJohannes Berg iwl_mvm_is_radio_killed(mvm), 48740636b938SSara Sharon HZ); 48756ad04359SJohannes Berg WARN_ON_ONCE(!ret && !iwl_mvm_is_radio_killed(mvm)); 48766ad04359SJohannes Berg } 48770636b938SSara Sharon 48780636b938SSara Sharon out: 48790636b938SSara Sharon atomic_set(&mvm->queue_sync_counter, 0); 48800636b938SSara Sharon mvm->queue_sync_cookie++; 48810636b938SSara Sharon } 48820636b938SSara Sharon 48830636b938SSara Sharon static void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) 48840636b938SSara Sharon { 48850636b938SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4886d0ff5d22SSara Sharon struct iwl_mvm_internal_rxq_notif data = { 4887d0ff5d22SSara Sharon .type = IWL_MVM_RXQ_EMPTY, 4888d0ff5d22SSara Sharon .sync = 1, 4889d0ff5d22SSara Sharon }; 48900636b938SSara Sharon 48910636b938SSara Sharon mutex_lock(&mvm->mutex); 4892d0ff5d22SSara Sharon iwl_mvm_sync_rx_queues_internal(mvm, &data, sizeof(data)); 48930636b938SSara Sharon mutex_unlock(&mvm->mutex); 48940636b938SSara Sharon } 48950636b938SSara Sharon 4896b73f9a4aSJohannes Berg static int 4897b73f9a4aSJohannes Berg iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw, 4898b73f9a4aSJohannes Berg struct ieee80211_vif *vif, 4899b73f9a4aSJohannes Berg struct cfg80211_ftm_responder_stats *stats) 4900b73f9a4aSJohannes Berg { 4901b73f9a4aSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4902b73f9a4aSJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4903b73f9a4aSJohannes Berg 4904b73f9a4aSJohannes Berg if (vif->p2p || vif->type != NL80211_IFTYPE_AP || 4905b73f9a4aSJohannes Berg !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder) 4906b73f9a4aSJohannes Berg return -EINVAL; 4907b73f9a4aSJohannes Berg 4908b73f9a4aSJohannes Berg mutex_lock(&mvm->mutex); 4909b73f9a4aSJohannes Berg *stats = mvm->ftm_resp_stats; 4910b73f9a4aSJohannes Berg mutex_unlock(&mvm->mutex); 4911b73f9a4aSJohannes Berg 4912b73f9a4aSJohannes Berg stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) | 4913b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_PARTIAL_NUM) | 4914b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_FAILED_NUM) | 4915b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_ASAP_NUM) | 4916b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_NON_ASAP_NUM) | 4917b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) | 4918b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) | 4919b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) | 4920b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM); 4921b73f9a4aSJohannes Berg 4922b73f9a4aSJohannes Berg return 0; 4923b73f9a4aSJohannes Berg } 4924b73f9a4aSJohannes Berg 4925*fc36ffdaSJohannes Berg static int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, 4926*fc36ffdaSJohannes Berg struct ieee80211_vif *vif, 4927*fc36ffdaSJohannes Berg struct cfg80211_pmsr_request *request) 4928*fc36ffdaSJohannes Berg { 4929*fc36ffdaSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4930*fc36ffdaSJohannes Berg int ret; 4931*fc36ffdaSJohannes Berg 4932*fc36ffdaSJohannes Berg mutex_lock(&mvm->mutex); 4933*fc36ffdaSJohannes Berg ret = iwl_mvm_ftm_start(mvm, vif, request); 4934*fc36ffdaSJohannes Berg mutex_unlock(&mvm->mutex); 4935*fc36ffdaSJohannes Berg 4936*fc36ffdaSJohannes Berg return ret; 4937*fc36ffdaSJohannes Berg } 4938*fc36ffdaSJohannes Berg 4939*fc36ffdaSJohannes Berg static void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, 4940*fc36ffdaSJohannes Berg struct ieee80211_vif *vif, 4941*fc36ffdaSJohannes Berg struct cfg80211_pmsr_request *request) 4942*fc36ffdaSJohannes Berg { 4943*fc36ffdaSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4944*fc36ffdaSJohannes Berg 4945*fc36ffdaSJohannes Berg mutex_lock(&mvm->mutex); 4946*fc36ffdaSJohannes Berg iwl_mvm_ftm_abort(mvm, request); 4947*fc36ffdaSJohannes Berg mutex_unlock(&mvm->mutex); 4948*fc36ffdaSJohannes Berg } 4949*fc36ffdaSJohannes Berg 4950438af969SSara Sharon static bool iwl_mvm_can_hw_csum(struct sk_buff *skb) 4951438af969SSara Sharon { 4952438af969SSara Sharon u8 protocol = ip_hdr(skb)->protocol; 4953438af969SSara Sharon 4954438af969SSara Sharon if (!IS_ENABLED(CONFIG_INET)) 4955438af969SSara Sharon return false; 4956438af969SSara Sharon 4957438af969SSara Sharon return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; 4958438af969SSara Sharon } 4959438af969SSara Sharon 4960438af969SSara Sharon static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw, 4961438af969SSara Sharon struct sk_buff *head, 4962438af969SSara Sharon struct sk_buff *skb) 4963438af969SSara Sharon { 4964438af969SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4965438af969SSara Sharon 4966438af969SSara Sharon /* For now don't aggregate IPv6 in AMSDU */ 4967438af969SSara Sharon if (skb->protocol != htons(ETH_P_IP)) 4968438af969SSara Sharon return false; 4969438af969SSara Sharon 4970438af969SSara Sharon if (!iwl_mvm_is_csum_supported(mvm)) 4971438af969SSara Sharon return true; 4972438af969SSara Sharon 4973438af969SSara Sharon return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); 4974438af969SSara Sharon } 4975438af969SSara Sharon 4976e705c121SKalle Valo const struct ieee80211_ops iwl_mvm_hw_ops = { 4977e705c121SKalle Valo .tx = iwl_mvm_mac_tx, 4978cfbc6c4cSSara Sharon .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, 4979e705c121SKalle Valo .ampdu_action = iwl_mvm_mac_ampdu_action, 4980e705c121SKalle Valo .start = iwl_mvm_mac_start, 4981e705c121SKalle Valo .reconfig_complete = iwl_mvm_mac_reconfig_complete, 4982e705c121SKalle Valo .stop = iwl_mvm_mac_stop, 4983e705c121SKalle Valo .add_interface = iwl_mvm_mac_add_interface, 4984e705c121SKalle Valo .remove_interface = iwl_mvm_mac_remove_interface, 4985e705c121SKalle Valo .config = iwl_mvm_mac_config, 4986e705c121SKalle Valo .prepare_multicast = iwl_mvm_prepare_multicast, 4987e705c121SKalle Valo .configure_filter = iwl_mvm_configure_filter, 4988e705c121SKalle Valo .config_iface_filter = iwl_mvm_config_iface_filter, 4989e705c121SKalle Valo .bss_info_changed = iwl_mvm_bss_info_changed, 4990e705c121SKalle Valo .hw_scan = iwl_mvm_mac_hw_scan, 4991e705c121SKalle Valo .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, 4992e705c121SKalle Valo .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, 4993e705c121SKalle Valo .sta_state = iwl_mvm_mac_sta_state, 4994e705c121SKalle Valo .sta_notify = iwl_mvm_mac_sta_notify, 4995e705c121SKalle Valo .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, 4996e705c121SKalle Valo .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, 4997e705c121SKalle Valo .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, 4998e705c121SKalle Valo .sta_rc_update = iwl_mvm_sta_rc_update, 4999e705c121SKalle Valo .conf_tx = iwl_mvm_mac_conf_tx, 5000e705c121SKalle Valo .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, 5001e705c121SKalle Valo .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, 5002e705c121SKalle Valo .flush = iwl_mvm_mac_flush, 5003e705c121SKalle Valo .sched_scan_start = iwl_mvm_mac_sched_scan_start, 5004e705c121SKalle Valo .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, 5005e705c121SKalle Valo .set_key = iwl_mvm_mac_set_key, 5006e705c121SKalle Valo .update_tkip_key = iwl_mvm_mac_update_tkip_key, 5007e705c121SKalle Valo .remain_on_channel = iwl_mvm_roc, 5008e705c121SKalle Valo .cancel_remain_on_channel = iwl_mvm_cancel_roc, 5009e705c121SKalle Valo .add_chanctx = iwl_mvm_add_chanctx, 5010e705c121SKalle Valo .remove_chanctx = iwl_mvm_remove_chanctx, 5011e705c121SKalle Valo .change_chanctx = iwl_mvm_change_chanctx, 5012e705c121SKalle Valo .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, 5013e705c121SKalle Valo .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, 5014e705c121SKalle Valo .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, 5015e705c121SKalle Valo 5016e705c121SKalle Valo .start_ap = iwl_mvm_start_ap_ibss, 5017e705c121SKalle Valo .stop_ap = iwl_mvm_stop_ap_ibss, 5018e705c121SKalle Valo .join_ibss = iwl_mvm_start_ap_ibss, 5019e705c121SKalle Valo .leave_ibss = iwl_mvm_stop_ap_ibss, 5020e705c121SKalle Valo 50212f0282dbSJohannes Berg .tx_last_beacon = iwl_mvm_tx_last_beacon, 50222f0282dbSJohannes Berg 5023e705c121SKalle Valo .set_tim = iwl_mvm_set_tim, 5024e705c121SKalle Valo 5025e705c121SKalle Valo .channel_switch = iwl_mvm_channel_switch, 5026e705c121SKalle Valo .pre_channel_switch = iwl_mvm_pre_channel_switch, 5027e705c121SKalle Valo .post_channel_switch = iwl_mvm_post_channel_switch, 5028e705c121SKalle Valo 5029e705c121SKalle Valo .tdls_channel_switch = iwl_mvm_tdls_channel_switch, 5030e705c121SKalle Valo .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, 5031e705c121SKalle Valo .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, 5032e705c121SKalle Valo 5033e705c121SKalle Valo .event_callback = iwl_mvm_mac_event_callback, 5034e705c121SKalle Valo 50350636b938SSara Sharon .sync_rx_queues = iwl_mvm_sync_rx_queues, 50360636b938SSara Sharon 5037e705c121SKalle Valo CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) 5038e705c121SKalle Valo 5039e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 5040e705c121SKalle Valo /* look at d3.c */ 5041e705c121SKalle Valo .suspend = iwl_mvm_suspend, 5042e705c121SKalle Valo .resume = iwl_mvm_resume, 5043e705c121SKalle Valo .set_wakeup = iwl_mvm_set_wakeup, 5044e705c121SKalle Valo .set_rekey_data = iwl_mvm_set_rekey_data, 5045e705c121SKalle Valo #if IS_ENABLED(CONFIG_IPV6) 5046e705c121SKalle Valo .ipv6_addr_change = iwl_mvm_ipv6_addr_change, 5047e705c121SKalle Valo #endif 5048e705c121SKalle Valo .set_default_unicast_key = iwl_mvm_set_default_unicast_key, 5049e705c121SKalle Valo #endif 5050e705c121SKalle Valo .get_survey = iwl_mvm_mac_get_survey, 5051e705c121SKalle Valo .sta_statistics = iwl_mvm_mac_sta_statistics, 5052b73f9a4aSJohannes Berg .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats, 5053*fc36ffdaSJohannes Berg .start_pmsr = iwl_mvm_start_pmsr, 5054*fc36ffdaSJohannes Berg .abort_pmsr = iwl_mvm_abort_pmsr, 5055b73f9a4aSJohannes Berg 5056438af969SSara Sharon .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, 5057177a11cfSGregory Greenman #ifdef CONFIG_IWLWIFI_DEBUGFS 5058177a11cfSGregory Greenman .sta_add_debugfs = iwl_mvm_sta_add_debugfs, 5059177a11cfSGregory Greenman #endif 5060e705c121SKalle Valo }; 5061