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 11e705c121SKalle Valo * 12e705c121SKalle Valo * This program is free software; you can redistribute it and/or modify 13e705c121SKalle Valo * it under the terms of version 2 of the GNU General Public License as 14e705c121SKalle Valo * published by the Free Software Foundation. 15e705c121SKalle Valo * 16e705c121SKalle Valo * This program is distributed in the hope that it will be useful, but 17e705c121SKalle Valo * WITHOUT ANY WARRANTY; without even the implied warranty of 18e705c121SKalle Valo * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 19e705c121SKalle Valo * General Public License for more details. 20e705c121SKalle Valo * 21e705c121SKalle Valo * You should have received a copy of the GNU General Public License 22e705c121SKalle Valo * along with this program; if not, write to the Free Software 23e705c121SKalle Valo * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 24e705c121SKalle Valo * USA 25e705c121SKalle Valo * 26e705c121SKalle Valo * The full GNU General Public License is included in this distribution 27e705c121SKalle Valo * in the file called COPYING. 28e705c121SKalle Valo * 29e705c121SKalle Valo * Contact Information: 30cb2f8277SEmmanuel Grumbach * Intel Linux Wireless <linuxwifi@intel.com> 31e705c121SKalle Valo * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 32e705c121SKalle Valo * 33e705c121SKalle Valo * BSD LICENSE 34e705c121SKalle Valo * 35e705c121SKalle Valo * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 3626d6c16bSSara Sharon * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 3726d6c16bSSara Sharon * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 38e705c121SKalle Valo * All rights reserved. 39e705c121SKalle Valo * 40e705c121SKalle Valo * Redistribution and use in source and binary forms, with or without 41e705c121SKalle Valo * modification, are permitted provided that the following conditions 42e705c121SKalle Valo * are met: 43e705c121SKalle Valo * 44e705c121SKalle Valo * * Redistributions of source code must retain the above copyright 45e705c121SKalle Valo * notice, this list of conditions and the following disclaimer. 46e705c121SKalle Valo * * Redistributions in binary form must reproduce the above copyright 47e705c121SKalle Valo * notice, this list of conditions and the following disclaimer in 48e705c121SKalle Valo * the documentation and/or other materials provided with the 49e705c121SKalle Valo * distribution. 50e705c121SKalle Valo * * Neither the name Intel Corporation nor the names of its 51e705c121SKalle Valo * contributors may be used to endorse or promote products derived 52e705c121SKalle Valo * from this software without specific prior written permission. 53e705c121SKalle Valo * 54e705c121SKalle Valo * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 55e705c121SKalle Valo * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 56e705c121SKalle Valo * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 57e705c121SKalle Valo * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 58e705c121SKalle Valo * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 59e705c121SKalle Valo * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 60e705c121SKalle Valo * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 61e705c121SKalle Valo * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 62e705c121SKalle Valo * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 63e705c121SKalle Valo * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 64e705c121SKalle Valo * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 65e705c121SKalle Valo * 66e705c121SKalle Valo *****************************************************************************/ 67e705c121SKalle Valo #include <linux/kernel.h> 68e705c121SKalle Valo #include <linux/slab.h> 69e705c121SKalle Valo #include <linux/skbuff.h> 70e705c121SKalle Valo #include <linux/netdevice.h> 71e705c121SKalle Valo #include <linux/etherdevice.h> 72e705c121SKalle Valo #include <linux/ip.h> 73e705c121SKalle Valo #include <linux/if_arp.h> 742f89a5d7SGolan Ben-Ami #include <linux/time.h> 75e705c121SKalle Valo #include <net/mac80211.h> 76e705c121SKalle Valo #include <net/ieee80211_radiotap.h> 77e705c121SKalle Valo #include <net/tcp.h> 78e705c121SKalle Valo 79e705c121SKalle Valo #include "iwl-op-mode.h" 80e705c121SKalle Valo #include "iwl-io.h" 81e705c121SKalle Valo #include "mvm.h" 82e705c121SKalle Valo #include "sta.h" 83e705c121SKalle Valo #include "time-event.h" 84e705c121SKalle Valo #include "iwl-eeprom-parse.h" 85e705c121SKalle Valo #include "iwl-phy-db.h" 86e705c121SKalle Valo #include "testmode.h" 87d962f9b1SJohannes Berg #include "fw/error-dump.h" 88e705c121SKalle Valo #include "iwl-prph.h" 89e705c121SKalle Valo #include "iwl-nvm-parse.h" 90e705c121SKalle Valo 91e705c121SKalle Valo static const struct ieee80211_iface_limit iwl_mvm_limits[] = { 92e705c121SKalle Valo { 93e705c121SKalle Valo .max = 1, 94e705c121SKalle Valo .types = BIT(NL80211_IFTYPE_STATION), 95e705c121SKalle Valo }, 96e705c121SKalle Valo { 97e705c121SKalle Valo .max = 1, 98e705c121SKalle Valo .types = BIT(NL80211_IFTYPE_AP) | 99e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT) | 100e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_GO), 101e705c121SKalle Valo }, 102e705c121SKalle Valo { 103e705c121SKalle Valo .max = 1, 104e705c121SKalle Valo .types = BIT(NL80211_IFTYPE_P2P_DEVICE), 105e705c121SKalle Valo }, 106e705c121SKalle Valo }; 107e705c121SKalle Valo 108e705c121SKalle Valo static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = { 109e705c121SKalle Valo { 110e705c121SKalle Valo .num_different_channels = 2, 111e705c121SKalle Valo .max_interfaces = 3, 112e705c121SKalle Valo .limits = iwl_mvm_limits, 113e705c121SKalle Valo .n_limits = ARRAY_SIZE(iwl_mvm_limits), 114e705c121SKalle Valo }, 115e705c121SKalle Valo }; 116e705c121SKalle Valo 117e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 118e705c121SKalle Valo static const struct nl80211_wowlan_tcp_data_token_feature 119e705c121SKalle Valo iwl_mvm_wowlan_tcp_token_feature = { 120e705c121SKalle Valo .min_len = 0, 121e705c121SKalle Valo .max_len = 255, 122e705c121SKalle Valo .bufsize = IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS, 123e705c121SKalle Valo }; 124e705c121SKalle Valo 125e705c121SKalle Valo static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support = { 126e705c121SKalle Valo .tok = &iwl_mvm_wowlan_tcp_token_feature, 127e705c121SKalle Valo .data_payload_max = IWL_WOWLAN_TCP_MAX_PACKET_LEN - 128e705c121SKalle Valo sizeof(struct ethhdr) - 129e705c121SKalle Valo sizeof(struct iphdr) - 130e705c121SKalle Valo sizeof(struct tcphdr), 131e705c121SKalle Valo .data_interval_max = 65535, /* __le16 in API */ 132e705c121SKalle Valo .wake_payload_max = IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN - 133e705c121SKalle Valo sizeof(struct ethhdr) - 134e705c121SKalle Valo sizeof(struct iphdr) - 135e705c121SKalle Valo sizeof(struct tcphdr), 136e705c121SKalle Valo .seq = true, 137e705c121SKalle Valo }; 138e705c121SKalle Valo #endif 139e705c121SKalle Valo 140e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 141e705c121SKalle Valo /* 142e705c121SKalle Valo * Use the reserved field to indicate magic values. 143e705c121SKalle Valo * these values will only be used internally by the driver, 144e705c121SKalle Valo * and won't make it to the fw (reserved will be 0). 145e705c121SKalle Valo * BC_FILTER_MAGIC_IP - configure the val of this attribute to 146e705c121SKalle Valo * be the vif's ip address. in case there is not a single 147e705c121SKalle Valo * ip address (0, or more than 1), this attribute will 148e705c121SKalle Valo * be skipped. 149e705c121SKalle Valo * BC_FILTER_MAGIC_MAC - set the val of this attribute to 150e705c121SKalle Valo * the LSB bytes of the vif's mac address 151e705c121SKalle Valo */ 152e705c121SKalle Valo enum { 153e705c121SKalle Valo BC_FILTER_MAGIC_NONE = 0, 154e705c121SKalle Valo BC_FILTER_MAGIC_IP, 155e705c121SKalle Valo BC_FILTER_MAGIC_MAC, 156e705c121SKalle Valo }; 157e705c121SKalle Valo 158e705c121SKalle Valo static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = { 159e705c121SKalle Valo { 160e705c121SKalle Valo /* arp */ 161e705c121SKalle Valo .discard = 0, 162e705c121SKalle Valo .frame_type = BCAST_FILTER_FRAME_TYPE_ALL, 163e705c121SKalle Valo .attrs = { 164e705c121SKalle Valo { 165e705c121SKalle Valo /* frame type - arp, hw type - ethernet */ 166e705c121SKalle Valo .offset_type = 167e705c121SKalle Valo BCAST_FILTER_OFFSET_PAYLOAD_START, 168e705c121SKalle Valo .offset = sizeof(rfc1042_header), 169e705c121SKalle Valo .val = cpu_to_be32(0x08060001), 170e705c121SKalle Valo .mask = cpu_to_be32(0xffffffff), 171e705c121SKalle Valo }, 172e705c121SKalle Valo { 173e705c121SKalle Valo /* arp dest ip */ 174e705c121SKalle Valo .offset_type = 175e705c121SKalle Valo BCAST_FILTER_OFFSET_PAYLOAD_START, 176e705c121SKalle Valo .offset = sizeof(rfc1042_header) + 2 + 177e705c121SKalle Valo sizeof(struct arphdr) + 178e705c121SKalle Valo ETH_ALEN + sizeof(__be32) + 179e705c121SKalle Valo ETH_ALEN, 180e705c121SKalle Valo .mask = cpu_to_be32(0xffffffff), 181e705c121SKalle Valo /* mark it as special field */ 182e705c121SKalle Valo .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_IP), 183e705c121SKalle Valo }, 184e705c121SKalle Valo }, 185e705c121SKalle Valo }, 186e705c121SKalle Valo { 187e705c121SKalle Valo /* dhcp offer bcast */ 188e705c121SKalle Valo .discard = 0, 189e705c121SKalle Valo .frame_type = BCAST_FILTER_FRAME_TYPE_IPV4, 190e705c121SKalle Valo .attrs = { 191e705c121SKalle Valo { 192e705c121SKalle Valo /* udp dest port - 68 (bootp client)*/ 193e705c121SKalle Valo .offset_type = BCAST_FILTER_OFFSET_IP_END, 194e705c121SKalle Valo .offset = offsetof(struct udphdr, dest), 195e705c121SKalle Valo .val = cpu_to_be32(0x00440000), 196e705c121SKalle Valo .mask = cpu_to_be32(0xffff0000), 197e705c121SKalle Valo }, 198e705c121SKalle Valo { 199e705c121SKalle Valo /* dhcp - lsb bytes of client hw address */ 200e705c121SKalle Valo .offset_type = BCAST_FILTER_OFFSET_IP_END, 201e705c121SKalle Valo .offset = 38, 202e705c121SKalle Valo .mask = cpu_to_be32(0xffffffff), 203e705c121SKalle Valo /* mark it as special field */ 204e705c121SKalle Valo .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_MAC), 205e705c121SKalle Valo }, 206e705c121SKalle Valo }, 207e705c121SKalle Valo }, 208e705c121SKalle Valo /* last filter must be empty */ 209e705c121SKalle Valo {}, 210e705c121SKalle Valo }; 211e705c121SKalle Valo #endif 212e705c121SKalle Valo 213e705c121SKalle Valo void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) 214e705c121SKalle Valo { 215e705c121SKalle Valo if (!iwl_mvm_is_d0i3_supported(mvm)) 216e705c121SKalle Valo return; 217e705c121SKalle Valo 218e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "Take mvm reference - type %d\n", ref_type); 219e705c121SKalle Valo spin_lock_bh(&mvm->refs_lock); 220e705c121SKalle Valo mvm->refs[ref_type]++; 221e705c121SKalle Valo spin_unlock_bh(&mvm->refs_lock); 222e705c121SKalle Valo iwl_trans_ref(mvm->trans); 223e705c121SKalle Valo } 224e705c121SKalle Valo 225e705c121SKalle Valo void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) 226e705c121SKalle Valo { 227e705c121SKalle Valo if (!iwl_mvm_is_d0i3_supported(mvm)) 228e705c121SKalle Valo return; 229e705c121SKalle Valo 230e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "Leave mvm reference - type %d\n", ref_type); 231e705c121SKalle Valo spin_lock_bh(&mvm->refs_lock); 23216c45822SSara Sharon if (WARN_ON(!mvm->refs[ref_type])) { 23316c45822SSara Sharon spin_unlock_bh(&mvm->refs_lock); 23416c45822SSara Sharon return; 23516c45822SSara Sharon } 23616c45822SSara Sharon mvm->refs[ref_type]--; 237e705c121SKalle Valo spin_unlock_bh(&mvm->refs_lock); 238e705c121SKalle Valo iwl_trans_unref(mvm->trans); 239e705c121SKalle Valo } 240e705c121SKalle Valo 241e705c121SKalle Valo static void iwl_mvm_unref_all_except(struct iwl_mvm *mvm, 242e705c121SKalle Valo enum iwl_mvm_ref_type except_ref) 243e705c121SKalle Valo { 244e705c121SKalle Valo int i, j; 245e705c121SKalle Valo 246e705c121SKalle Valo if (!iwl_mvm_is_d0i3_supported(mvm)) 247e705c121SKalle Valo return; 248e705c121SKalle Valo 249e705c121SKalle Valo spin_lock_bh(&mvm->refs_lock); 250e705c121SKalle Valo for (i = 0; i < IWL_MVM_REF_COUNT; i++) { 251e705c121SKalle Valo if (except_ref == i || !mvm->refs[i]) 252e705c121SKalle Valo continue; 253e705c121SKalle Valo 254e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d (%d)\n", 255e705c121SKalle Valo i, mvm->refs[i]); 256e705c121SKalle Valo for (j = 0; j < mvm->refs[i]; j++) 257e705c121SKalle Valo iwl_trans_unref(mvm->trans); 258e705c121SKalle Valo mvm->refs[i] = 0; 259e705c121SKalle Valo } 260e705c121SKalle Valo spin_unlock_bh(&mvm->refs_lock); 261e705c121SKalle Valo } 262e705c121SKalle Valo 263e705c121SKalle Valo bool iwl_mvm_ref_taken(struct iwl_mvm *mvm) 264e705c121SKalle Valo { 265e705c121SKalle Valo int i; 266e705c121SKalle Valo bool taken = false; 267e705c121SKalle Valo 268e705c121SKalle Valo if (!iwl_mvm_is_d0i3_supported(mvm)) 269e705c121SKalle Valo return true; 270e705c121SKalle Valo 271e705c121SKalle Valo spin_lock_bh(&mvm->refs_lock); 272e705c121SKalle Valo for (i = 0; i < IWL_MVM_REF_COUNT; i++) { 273e705c121SKalle Valo if (mvm->refs[i]) { 274e705c121SKalle Valo taken = true; 275e705c121SKalle Valo break; 276e705c121SKalle Valo } 277e705c121SKalle Valo } 278e705c121SKalle Valo spin_unlock_bh(&mvm->refs_lock); 279e705c121SKalle Valo 280e705c121SKalle Valo return taken; 281e705c121SKalle Valo } 282e705c121SKalle Valo 283e705c121SKalle Valo int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) 284e705c121SKalle Valo { 285e705c121SKalle Valo iwl_mvm_ref(mvm, ref_type); 286e705c121SKalle Valo 287e705c121SKalle Valo if (!wait_event_timeout(mvm->d0i3_exit_waitq, 288e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status), 289e705c121SKalle Valo HZ)) { 290e705c121SKalle Valo WARN_ON_ONCE(1); 291e705c121SKalle Valo iwl_mvm_unref(mvm, ref_type); 292e705c121SKalle Valo return -EIO; 293e705c121SKalle Valo } 294e705c121SKalle Valo 295e705c121SKalle Valo return 0; 296e705c121SKalle Valo } 297e705c121SKalle Valo 298e705c121SKalle Valo static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm) 299e705c121SKalle Valo { 300e705c121SKalle Valo int i; 301e705c121SKalle Valo 302e705c121SKalle Valo memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts)); 303e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) { 304e705c121SKalle Valo mvm->phy_ctxts[i].id = i; 305e705c121SKalle Valo mvm->phy_ctxts[i].ref = 0; 306e705c121SKalle Valo } 307e705c121SKalle Valo } 308e705c121SKalle Valo 309e705c121SKalle Valo struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, 310e705c121SKalle Valo const char *alpha2, 311e705c121SKalle Valo enum iwl_mcc_source src_id, 312e705c121SKalle Valo bool *changed) 313e705c121SKalle Valo { 314e705c121SKalle Valo struct ieee80211_regdomain *regd = NULL; 315e705c121SKalle Valo struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 316e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 317e705c121SKalle Valo struct iwl_mcc_update_resp *resp; 318e705c121SKalle Valo 319e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2); 320e705c121SKalle Valo 321e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 322e705c121SKalle Valo 323e705c121SKalle Valo resp = iwl_mvm_update_mcc(mvm, alpha2, src_id); 324e705c121SKalle Valo if (IS_ERR_OR_NULL(resp)) { 325e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n", 326e705c121SKalle Valo PTR_ERR_OR_ZERO(resp)); 327e705c121SKalle Valo goto out; 328e705c121SKalle Valo } 329e705c121SKalle Valo 330e705c121SKalle Valo if (changed) 331e705c121SKalle Valo *changed = (resp->status == MCC_RESP_NEW_CHAN_PROFILE); 332e705c121SKalle Valo 333e705c121SKalle Valo regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg, 334e705c121SKalle Valo __le32_to_cpu(resp->n_channels), 335e705c121SKalle Valo resp->channels, 336e705c121SKalle Valo __le16_to_cpu(resp->mcc)); 337e705c121SKalle Valo /* Store the return source id */ 338e705c121SKalle Valo src_id = resp->source_id; 339e705c121SKalle Valo kfree(resp); 340e705c121SKalle Valo if (IS_ERR_OR_NULL(regd)) { 341e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n", 342e705c121SKalle Valo PTR_ERR_OR_ZERO(regd)); 343e705c121SKalle Valo goto out; 344e705c121SKalle Valo } 345e705c121SKalle Valo 346e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n", 347e705c121SKalle Valo regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id); 348e705c121SKalle Valo mvm->lar_regdom_set = true; 349e705c121SKalle Valo mvm->mcc_src = src_id; 350e705c121SKalle Valo 351e705c121SKalle Valo out: 352e705c121SKalle Valo return regd; 353e705c121SKalle Valo } 354e705c121SKalle Valo 355e705c121SKalle Valo void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm) 356e705c121SKalle Valo { 357e705c121SKalle Valo bool changed; 358e705c121SKalle Valo struct ieee80211_regdomain *regd; 359e705c121SKalle Valo 360e705c121SKalle Valo if (!iwl_mvm_is_lar_supported(mvm)) 361e705c121SKalle Valo return; 362e705c121SKalle Valo 363e705c121SKalle Valo regd = iwl_mvm_get_current_regdomain(mvm, &changed); 364e705c121SKalle Valo if (!IS_ERR_OR_NULL(regd)) { 365e705c121SKalle Valo /* only update the regulatory core if changed */ 366e705c121SKalle Valo if (changed) 367e705c121SKalle Valo regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); 368e705c121SKalle Valo 369e705c121SKalle Valo kfree(regd); 370e705c121SKalle Valo } 371e705c121SKalle Valo } 372e705c121SKalle Valo 373e705c121SKalle Valo struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 374e705c121SKalle Valo bool *changed) 375e705c121SKalle Valo { 376e705c121SKalle Valo return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ", 377e705c121SKalle Valo iwl_mvm_is_wifi_mcc_supported(mvm) ? 378e705c121SKalle Valo MCC_SOURCE_GET_CURRENT : 379e705c121SKalle Valo MCC_SOURCE_OLD_FW, changed); 380e705c121SKalle Valo } 381e705c121SKalle Valo 382e705c121SKalle Valo int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm) 383e705c121SKalle Valo { 384e705c121SKalle Valo enum iwl_mcc_source used_src; 385e705c121SKalle Valo struct ieee80211_regdomain *regd; 386e705c121SKalle Valo int ret; 387e705c121SKalle Valo bool changed; 388e705c121SKalle Valo const struct ieee80211_regdomain *r = 389e705c121SKalle Valo rtnl_dereference(mvm->hw->wiphy->regd); 390e705c121SKalle Valo 391e705c121SKalle Valo if (!r) 392e705c121SKalle Valo return -ENOENT; 393e705c121SKalle Valo 394e705c121SKalle Valo /* save the last source in case we overwrite it below */ 395e705c121SKalle Valo used_src = mvm->mcc_src; 396e705c121SKalle Valo if (iwl_mvm_is_wifi_mcc_supported(mvm)) { 397e705c121SKalle Valo /* Notify the firmware we support wifi location updates */ 398e705c121SKalle Valo regd = iwl_mvm_get_current_regdomain(mvm, NULL); 399e705c121SKalle Valo if (!IS_ERR_OR_NULL(regd)) 400e705c121SKalle Valo kfree(regd); 401e705c121SKalle Valo } 402e705c121SKalle Valo 403e705c121SKalle Valo /* Now set our last stored MCC and source */ 404e705c121SKalle Valo regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src, 405e705c121SKalle Valo &changed); 406e705c121SKalle Valo if (IS_ERR_OR_NULL(regd)) 407e705c121SKalle Valo return -EIO; 408e705c121SKalle Valo 409e705c121SKalle Valo /* update cfg80211 if the regdomain was changed */ 410e705c121SKalle Valo if (changed) 411e705c121SKalle Valo ret = regulatory_set_wiphy_regd_sync_rtnl(mvm->hw->wiphy, regd); 412e705c121SKalle Valo else 413e705c121SKalle Valo ret = 0; 414e705c121SKalle Valo 415e705c121SKalle Valo kfree(regd); 416e705c121SKalle Valo return ret; 417e705c121SKalle Valo } 418e705c121SKalle Valo 419e705c121SKalle Valo int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) 420e705c121SKalle Valo { 421e705c121SKalle Valo struct ieee80211_hw *hw = mvm->hw; 422e705c121SKalle Valo int num_mac, ret, i; 423e705c121SKalle Valo static const u32 mvm_ciphers[] = { 424e705c121SKalle Valo WLAN_CIPHER_SUITE_WEP40, 425e705c121SKalle Valo WLAN_CIPHER_SUITE_WEP104, 426e705c121SKalle Valo WLAN_CIPHER_SUITE_TKIP, 427e705c121SKalle Valo WLAN_CIPHER_SUITE_CCMP, 428e705c121SKalle Valo }; 429e705c121SKalle Valo 430e705c121SKalle Valo /* Tell mac80211 our characteristics */ 431e705c121SKalle Valo ieee80211_hw_set(hw, SIGNAL_DBM); 432e705c121SKalle Valo ieee80211_hw_set(hw, SPECTRUM_MGMT); 433e705c121SKalle Valo ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 434e705c121SKalle Valo ieee80211_hw_set(hw, QUEUE_CONTROL); 435e705c121SKalle Valo ieee80211_hw_set(hw, WANT_MONITOR_VIF); 436e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_PS); 437e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 438e705c121SKalle Valo ieee80211_hw_set(hw, AMPDU_AGGREGATION); 439e705c121SKalle Valo ieee80211_hw_set(hw, TIMING_BEACON_ONLY); 440e705c121SKalle Valo ieee80211_hw_set(hw, CONNECTION_MONITOR); 441e705c121SKalle Valo ieee80211_hw_set(hw, CHANCTX_STA_CSA); 442e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 443e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); 444909ddf0bSJohannes Berg ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 44530433d3bSJohannes Berg ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); 446b915c101SSara Sharon if (iwl_mvm_has_new_rx_api(mvm)) 447b915c101SSara Sharon ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); 448960f864bSJohannes Berg 449960f864bSJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 450960f864bSJohannes Berg IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) { 45165e25482SJohannes Berg ieee80211_hw_set(hw, AP_LINK_PS); 452960f864bSJohannes Berg } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) { 453960f864bSJohannes Berg /* 454960f864bSJohannes Berg * we absolutely need this for the new TX API since that comes 455960f864bSJohannes Berg * with many more queues than the current code can deal with 456960f864bSJohannes Berg * for station powersave 457960f864bSJohannes Berg */ 458960f864bSJohannes Berg return -EINVAL; 459960f864bSJohannes Berg } 460e705c121SKalle Valo 46180938abcSJohannes Berg if (mvm->trans->num_rx_queues > 1) 46280938abcSJohannes Berg ieee80211_hw_set(hw, USES_RSS); 46380938abcSJohannes Berg 4642d7cf549SJohannes Berg if (mvm->trans->max_skb_frags) 4652d7cf549SJohannes Berg hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; 4662d7cf549SJohannes Berg 467cf961e16SLiad Kaufman hw->queues = IEEE80211_MAX_QUEUES; 468e705c121SKalle Valo hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; 469e705c121SKalle Valo hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | 470e705c121SKalle Valo IEEE80211_RADIOTAP_MCS_HAVE_STBC; 471e705c121SKalle Valo hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | 472e705c121SKalle Valo IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; 473371a17edSJohannes Berg 474371a17edSJohannes Berg hw->radiotap_timestamp.units_pos = 475371a17edSJohannes Berg IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | 476371a17edSJohannes Berg IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; 477371a17edSJohannes Berg /* this is the case for CCK frames, it's better (only 8) for OFDM */ 478371a17edSJohannes Berg hw->radiotap_timestamp.accuracy = 22; 479371a17edSJohannes Berg 480e705c121SKalle Valo hw->rate_control_algorithm = "iwl-mvm-rs"; 481e705c121SKalle Valo hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; 482e705c121SKalle Valo hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; 483e705c121SKalle Valo 4848e160ab8SAyala Beker BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); 485e705c121SKalle Valo memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); 486e705c121SKalle Valo hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); 487e705c121SKalle Valo hw->wiphy->cipher_suites = mvm->ciphers; 488e705c121SKalle Valo 4892a53d166SAyala Beker if (iwl_mvm_has_new_rx_api(mvm)) { 4902a53d166SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 4912a53d166SAyala Beker WLAN_CIPHER_SUITE_GCMP; 4922a53d166SAyala Beker hw->wiphy->n_cipher_suites++; 4932a53d166SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 4942a53d166SAyala Beker WLAN_CIPHER_SUITE_GCMP_256; 4952a53d166SAyala Beker hw->wiphy->n_cipher_suites++; 4962a53d166SAyala Beker } 4972a53d166SAyala Beker 4984b87e5afSLuca Coelho /* Enable 11w if software crypto is not enabled (as the 4994b87e5afSLuca Coelho * firmware will interpret some mgmt packets, so enabling it 5004b87e5afSLuca Coelho * with software crypto isn't safe). 501e705c121SKalle Valo */ 5023b37f4c9SJohannes Berg if (!iwlwifi_mod_params.swcrypto) { 503e705c121SKalle Valo ieee80211_hw_set(hw, MFP_CAPABLE); 504e705c121SKalle Valo mvm->ciphers[hw->wiphy->n_cipher_suites] = 505e705c121SKalle Valo WLAN_CIPHER_SUITE_AES_CMAC; 506e705c121SKalle Valo hw->wiphy->n_cipher_suites++; 5078e160ab8SAyala Beker if (iwl_mvm_has_new_rx_api(mvm)) { 5088e160ab8SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 5098e160ab8SAyala Beker WLAN_CIPHER_SUITE_BIP_GMAC_128; 5108e160ab8SAyala Beker hw->wiphy->n_cipher_suites++; 5118e160ab8SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 5128e160ab8SAyala Beker WLAN_CIPHER_SUITE_BIP_GMAC_256; 5138e160ab8SAyala Beker hw->wiphy->n_cipher_suites++; 5148e160ab8SAyala Beker } 515e705c121SKalle Valo } 516e705c121SKalle Valo 517e705c121SKalle Valo /* currently FW API supports only one optional cipher scheme */ 518e705c121SKalle Valo if (mvm->fw->cs[0].cipher) { 51924ddddf3SJohannes Berg const struct iwl_fw_cipher_scheme *fwcs = &mvm->fw->cs[0]; 52024ddddf3SJohannes Berg struct ieee80211_cipher_scheme *cs = &mvm->cs[0]; 52124ddddf3SJohannes Berg 522e705c121SKalle Valo mvm->hw->n_cipher_schemes = 1; 52324ddddf3SJohannes Berg 52424ddddf3SJohannes Berg cs->cipher = le32_to_cpu(fwcs->cipher); 52524ddddf3SJohannes Berg cs->iftype = BIT(NL80211_IFTYPE_STATION); 52624ddddf3SJohannes Berg cs->hdr_len = fwcs->hdr_len; 52724ddddf3SJohannes Berg cs->pn_len = fwcs->pn_len; 52824ddddf3SJohannes Berg cs->pn_off = fwcs->pn_off; 52924ddddf3SJohannes Berg cs->key_idx_off = fwcs->key_idx_off; 53024ddddf3SJohannes Berg cs->key_idx_mask = fwcs->key_idx_mask; 53124ddddf3SJohannes Berg cs->key_idx_shift = fwcs->key_idx_shift; 53224ddddf3SJohannes Berg cs->mic_len = fwcs->mic_len; 53324ddddf3SJohannes Berg 53424ddddf3SJohannes Berg mvm->hw->cipher_schemes = mvm->cs; 53524ddddf3SJohannes Berg mvm->ciphers[hw->wiphy->n_cipher_suites] = cs->cipher; 536e705c121SKalle Valo hw->wiphy->n_cipher_suites++; 537e705c121SKalle Valo } 538e705c121SKalle Valo 539e705c121SKalle Valo ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); 540e705c121SKalle Valo hw->wiphy->features |= 541e705c121SKalle Valo NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 542e705c121SKalle Valo NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 543e705c121SKalle Valo NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 544e705c121SKalle Valo 545e705c121SKalle Valo hw->sta_data_size = sizeof(struct iwl_mvm_sta); 546e705c121SKalle Valo hw->vif_data_size = sizeof(struct iwl_mvm_vif); 547e705c121SKalle Valo hw->chanctx_data_size = sizeof(u16); 548e705c121SKalle Valo 549e705c121SKalle Valo hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 550e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT) | 551e705c121SKalle Valo BIT(NL80211_IFTYPE_AP) | 552e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_GO) | 553e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_DEVICE) | 554e705c121SKalle Valo BIT(NL80211_IFTYPE_ADHOC); 555e705c121SKalle Valo 556e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 557e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; 558e705c121SKalle Valo if (iwl_mvm_is_lar_supported(mvm)) 559e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 560e705c121SKalle Valo else 561e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 562e705c121SKalle Valo REGULATORY_DISABLE_BEACON_HINTS; 563e705c121SKalle Valo 564e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 565e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 566e705c121SKalle Valo 567e705c121SKalle Valo hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; 568e705c121SKalle Valo hw->wiphy->n_iface_combinations = 569e705c121SKalle Valo ARRAY_SIZE(iwl_mvm_iface_combinations); 570e705c121SKalle Valo 571e705c121SKalle Valo hw->wiphy->max_remain_on_channel_duration = 10000; 572e705c121SKalle Valo hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; 573e705c121SKalle Valo /* we can compensate an offset of up to 3 channels = 15 MHz */ 574e705c121SKalle Valo hw->wiphy->max_adj_channel_rssi_comp = 3 * 5; 575e705c121SKalle Valo 576e705c121SKalle Valo /* Extract MAC address */ 577e705c121SKalle Valo memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); 578e705c121SKalle Valo hw->wiphy->addresses = mvm->addresses; 579e705c121SKalle Valo hw->wiphy->n_addresses = 1; 580e705c121SKalle Valo 581e705c121SKalle Valo /* Extract additional MAC addresses if available */ 582e705c121SKalle Valo num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? 583e705c121SKalle Valo min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; 584e705c121SKalle Valo 585e705c121SKalle Valo for (i = 1; i < num_mac; i++) { 586e705c121SKalle Valo memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, 587e705c121SKalle Valo ETH_ALEN); 588e705c121SKalle Valo mvm->addresses[i].addr[5]++; 589e705c121SKalle Valo hw->wiphy->n_addresses++; 590e705c121SKalle Valo } 591e705c121SKalle Valo 592e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 593e705c121SKalle Valo 594e705c121SKalle Valo hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); 595e705c121SKalle Valo 596e705c121SKalle Valo hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; 597e705c121SKalle Valo 598e705c121SKalle Valo BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); 599e705c121SKalle Valo BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || 600e705c121SKalle Valo IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); 601e705c121SKalle Valo 602e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 603e705c121SKalle Valo mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS; 604e705c121SKalle Valo else 605e705c121SKalle Valo mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS; 606e705c121SKalle Valo 60757fbcce3SJohannes Berg if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) 60857fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_2GHZ] = 60957fbcce3SJohannes Berg &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; 61057fbcce3SJohannes Berg if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { 61157fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ] = 61257fbcce3SJohannes Berg &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; 613e705c121SKalle Valo 614e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 615e705c121SKalle Valo IWL_UCODE_TLV_CAPA_BEAMFORMER) && 616e705c121SKalle Valo fw_has_api(&mvm->fw->ucode_capa, 617e705c121SKalle Valo IWL_UCODE_TLV_API_LQ_SS_PARAMS)) 61857fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= 619e705c121SKalle Valo IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; 620e705c121SKalle Valo } 621e705c121SKalle Valo 622e705c121SKalle Valo hw->wiphy->hw_version = mvm->trans->hw_id; 623e705c121SKalle Valo 624e705c121SKalle Valo if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) 625e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; 626e705c121SKalle Valo else 627e705c121SKalle Valo hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 628e705c121SKalle Valo 629ca986ad9SArend Van Spriel hw->wiphy->max_sched_scan_reqs = 1; 630e705c121SKalle Valo hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; 631e705c121SKalle Valo hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES; 632e705c121SKalle Valo /* we create the 802.11 header and zero length SSID IE. */ 633e705c121SKalle Valo hw->wiphy->max_sched_scan_ie_len = 634e705c121SKalle Valo SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; 635e705c121SKalle Valo hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; 636e705c121SKalle Valo hw->wiphy->max_sched_scan_plan_interval = U16_MAX; 637e705c121SKalle Valo 638e705c121SKalle Valo /* 639e705c121SKalle Valo * the firmware uses u8 for num of iterations, but 0xff is saved for 640e705c121SKalle Valo * infinite loop, so the maximum number of iterations is actually 254. 641e705c121SKalle Valo */ 642e705c121SKalle Valo hw->wiphy->max_sched_scan_plan_iterations = 254; 643e705c121SKalle Valo 644e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | 645e705c121SKalle Valo NL80211_FEATURE_LOW_PRIORITY_SCAN | 646e705c121SKalle Valo NL80211_FEATURE_P2P_GO_OPPPS | 647a904a08bSPeer, Ilan NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 648e705c121SKalle Valo NL80211_FEATURE_DYNAMIC_SMPS | 649e705c121SKalle Valo NL80211_FEATURE_STATIC_SMPS | 650e705c121SKalle Valo NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; 651e705c121SKalle Valo 652e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 653e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) 654e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; 655e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 656e705c121SKalle Valo IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) 657e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_QUIET; 658e705c121SKalle Valo 659e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 660e705c121SKalle Valo IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) 661e705c121SKalle Valo hw->wiphy->features |= 662e705c121SKalle Valo NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; 663e705c121SKalle Valo 664e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 665e705c121SKalle Valo IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) 666e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; 667e705c121SKalle Valo 668aacf8f18SAvrahams Stern if (fw_has_api(&mvm->fw->ucode_capa, 669aacf8f18SAvrahams Stern IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { 670aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 671aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_SCAN_START_TIME); 672aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 673aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_BSS_PARENT_TSF); 674aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 675aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_SET_SCAN_DWELL); 676aacf8f18SAvrahams Stern } 677aacf8f18SAvrahams Stern 678e705c121SKalle Valo mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; 679e705c121SKalle Valo 680e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 681e705c121SKalle Valo if (iwl_mvm_is_d0i3_supported(mvm) && 682e705c121SKalle Valo device_can_wakeup(mvm->trans->dev)) { 683e705c121SKalle Valo mvm->wowlan.flags = WIPHY_WOWLAN_ANY; 684e705c121SKalle Valo hw->wiphy->wowlan = &mvm->wowlan; 685e705c121SKalle Valo } 686e705c121SKalle Valo 687eef187a7SSara Sharon if (mvm->fw->img[IWL_UCODE_WOWLAN].num_sec && 688e705c121SKalle Valo mvm->trans->ops->d3_suspend && 689e705c121SKalle Valo mvm->trans->ops->d3_resume && 690e705c121SKalle Valo device_can_wakeup(mvm->trans->dev)) { 691e705c121SKalle Valo mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | 692e705c121SKalle Valo WIPHY_WOWLAN_DISCONNECT | 693e705c121SKalle Valo WIPHY_WOWLAN_EAP_IDENTITY_REQ | 694e705c121SKalle Valo WIPHY_WOWLAN_RFKILL_RELEASE | 695e705c121SKalle Valo WIPHY_WOWLAN_NET_DETECT; 6963b37f4c9SJohannes Berg if (!iwlwifi_mod_params.swcrypto) 697e705c121SKalle Valo mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 698e705c121SKalle Valo WIPHY_WOWLAN_GTK_REKEY_FAILURE | 699e705c121SKalle Valo WIPHY_WOWLAN_4WAY_HANDSHAKE; 700e705c121SKalle Valo 701e705c121SKalle Valo mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; 702e705c121SKalle Valo mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; 703e705c121SKalle Valo mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; 704e705c121SKalle Valo mvm->wowlan.max_nd_match_sets = IWL_SCAN_MAX_PROFILES; 705e705c121SKalle Valo mvm->wowlan.tcp = &iwl_mvm_wowlan_tcp_support; 706e705c121SKalle Valo hw->wiphy->wowlan = &mvm->wowlan; 707e705c121SKalle Valo } 708e705c121SKalle Valo #endif 709e705c121SKalle Valo 710e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 711e705c121SKalle Valo /* assign default bcast filtering configuration */ 712e705c121SKalle Valo mvm->bcast_filters = iwl_mvm_default_bcast_filters; 713e705c121SKalle Valo #endif 714e705c121SKalle Valo 715e705c121SKalle Valo ret = iwl_mvm_leds_init(mvm); 716e705c121SKalle Valo if (ret) 717e705c121SKalle Valo return ret; 718e705c121SKalle Valo 719e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 720e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { 721e705c121SKalle Valo IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); 722e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 723e705c121SKalle Valo ieee80211_hw_set(hw, TDLS_WIDER_BW); 724e705c121SKalle Valo } 725e705c121SKalle Valo 726e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 727e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { 728e705c121SKalle Valo IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); 729e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 730e705c121SKalle Valo } 731e705c121SKalle Valo 732e705c121SKalle Valo hw->netdev_features |= mvm->cfg->features; 7335e6a98dcSSara Sharon if (!iwl_mvm_is_csum_supported(mvm)) { 7345e6a98dcSSara Sharon hw->netdev_features &= ~(IWL_TX_CSUM_NETIF_FLAGS | 7355e6a98dcSSara Sharon NETIF_F_RXCSUM); 7365e6a98dcSSara Sharon /* We may support SW TX CSUM */ 73741837ca9SEmmanuel Grumbach if (IWL_MVM_SW_TX_CSUM_OFFLOAD) 7385e6a98dcSSara Sharon hw->netdev_features |= IWL_TX_CSUM_NETIF_FLAGS; 7395e6a98dcSSara Sharon } 74041837ca9SEmmanuel Grumbach 741e705c121SKalle Valo ret = ieee80211_register_hw(mvm->hw); 742e705c121SKalle Valo if (ret) 743e705c121SKalle Valo iwl_mvm_leds_exit(mvm); 744de8ba41bSLiad Kaufman mvm->init_status |= IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE; 745e705c121SKalle Valo 74691b08c2dSAviya Erenfeld if (mvm->cfg->vht_mu_mimo_supported) 74791b08c2dSAviya Erenfeld wiphy_ext_feature_set(hw->wiphy, 74891b08c2dSAviya Erenfeld NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); 74991b08c2dSAviya Erenfeld 750e705c121SKalle Valo return ret; 751e705c121SKalle Valo } 752e705c121SKalle Valo 753e705c121SKalle Valo static bool iwl_mvm_defer_tx(struct iwl_mvm *mvm, 754e705c121SKalle Valo struct ieee80211_sta *sta, 755e705c121SKalle Valo struct sk_buff *skb) 756e705c121SKalle Valo { 757e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 758e705c121SKalle Valo bool defer = false; 759e705c121SKalle Valo 760e705c121SKalle Valo /* 761e705c121SKalle Valo * double check the IN_D0I3 flag both before and after 762e705c121SKalle Valo * taking the spinlock, in order to prevent taking 763e705c121SKalle Valo * the spinlock when not needed. 764e705c121SKalle Valo */ 765e705c121SKalle Valo if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))) 766e705c121SKalle Valo return false; 767e705c121SKalle Valo 768e705c121SKalle Valo spin_lock(&mvm->d0i3_tx_lock); 769e705c121SKalle Valo /* 770e705c121SKalle Valo * testing the flag again ensures the skb dequeue 771e705c121SKalle Valo * loop (on d0i3 exit) hasn't run yet. 772e705c121SKalle Valo */ 773e705c121SKalle Valo if (!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)) 774e705c121SKalle Valo goto out; 775e705c121SKalle Valo 776e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_mac80211(sta); 7770ae98812SSara Sharon if (mvmsta->sta_id == IWL_MVM_INVALID_STA || 778e705c121SKalle Valo mvmsta->sta_id != mvm->d0i3_ap_sta_id) 779e705c121SKalle Valo goto out; 780e705c121SKalle Valo 781e705c121SKalle Valo __skb_queue_tail(&mvm->d0i3_tx, skb); 782e705c121SKalle Valo ieee80211_stop_queues(mvm->hw); 783e705c121SKalle Valo 784e705c121SKalle Valo /* trigger wakeup */ 785e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_TX); 786e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_TX); 787e705c121SKalle Valo 788e705c121SKalle Valo defer = true; 789e705c121SKalle Valo out: 790e705c121SKalle Valo spin_unlock(&mvm->d0i3_tx_lock); 791e705c121SKalle Valo return defer; 792e705c121SKalle Valo } 793e705c121SKalle Valo 794e705c121SKalle Valo static void iwl_mvm_mac_tx(struct ieee80211_hw *hw, 795e705c121SKalle Valo struct ieee80211_tx_control *control, 796e705c121SKalle Valo struct sk_buff *skb) 797e705c121SKalle Valo { 798e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 799e705c121SKalle Valo struct ieee80211_sta *sta = control->sta; 800e705c121SKalle Valo struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 801e705c121SKalle Valo struct ieee80211_hdr *hdr = (void *)skb->data; 802e705c121SKalle Valo 803e705c121SKalle Valo if (iwl_mvm_is_radio_killed(mvm)) { 804e705c121SKalle Valo IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); 805e705c121SKalle Valo goto drop; 806e705c121SKalle Valo } 807e705c121SKalle Valo 808d20e30afSEmmanuel Grumbach if (info->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE && 809e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) && 810e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) 811e705c121SKalle Valo goto drop; 812e705c121SKalle Valo 813eb045e6eSDavid Spinadel /* treat non-bufferable MMPDUs on AP interfaces as broadcast */ 814eb045e6eSDavid Spinadel if ((info->control.vif->type == NL80211_IFTYPE_AP || 815eb045e6eSDavid Spinadel info->control.vif->type == NL80211_IFTYPE_ADHOC) && 816e705c121SKalle Valo ieee80211_is_mgmt(hdr->frame_control) && 817eb045e6eSDavid Spinadel !ieee80211_is_bufferable_mmpdu(hdr->frame_control)) 818e705c121SKalle Valo sta = NULL; 819e705c121SKalle Valo 820e705c121SKalle Valo if (sta) { 821e705c121SKalle Valo if (iwl_mvm_defer_tx(mvm, sta, skb)) 822e705c121SKalle Valo return; 823e705c121SKalle Valo if (iwl_mvm_tx_skb(mvm, skb, sta)) 824e705c121SKalle Valo goto drop; 825e705c121SKalle Valo return; 826e705c121SKalle Valo } 827e705c121SKalle Valo 828e705c121SKalle Valo if (iwl_mvm_tx_skb_non_sta(mvm, skb)) 829e705c121SKalle Valo goto drop; 830e705c121SKalle Valo return; 831e705c121SKalle Valo drop: 832e705c121SKalle Valo ieee80211_free_txskb(hw, skb); 833e705c121SKalle Valo } 834e705c121SKalle Valo 835e705c121SKalle Valo static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg *cfg) 836e705c121SKalle Valo { 837e705c121SKalle Valo if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG) 838e705c121SKalle Valo return false; 839e705c121SKalle Valo return true; 840e705c121SKalle Valo } 841e705c121SKalle Valo 842e705c121SKalle Valo static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg) 843e705c121SKalle Valo { 844e705c121SKalle Valo if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG) 845e705c121SKalle Valo return false; 846e705c121SKalle Valo if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG) 847e705c121SKalle Valo return true; 848e705c121SKalle Valo 849e705c121SKalle Valo /* enabled by default */ 850e705c121SKalle Valo return true; 851e705c121SKalle Valo } 852e705c121SKalle Valo 853e705c121SKalle Valo #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ 854e705c121SKalle Valo do { \ 855e705c121SKalle Valo if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ 856e705c121SKalle Valo break; \ 8577174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ 858e705c121SKalle Valo } while (0) 859e705c121SKalle Valo 860e705c121SKalle Valo static void 861e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 862e705c121SKalle Valo struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, 863e705c121SKalle Valo enum ieee80211_ampdu_mlme_action action) 864e705c121SKalle Valo { 865e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 866e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 867e705c121SKalle Valo 868e705c121SKalle Valo if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA)) 869e705c121SKalle Valo return; 870e705c121SKalle Valo 871e705c121SKalle Valo trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA); 872e705c121SKalle Valo ba_trig = (void *)trig->data; 873e705c121SKalle Valo 8747174beb6SJohannes Berg if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt, 8757174beb6SJohannes Berg ieee80211_vif_to_wdev(vif), trig)) 876e705c121SKalle Valo return; 877e705c121SKalle Valo 878e705c121SKalle Valo switch (action) { 879e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: { 880e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 881e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 882e705c121SKalle Valo 883e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, 884e705c121SKalle Valo "TX AGG START: MAC %pM tid %d ssn %d\n", 885e705c121SKalle Valo sta->addr, tid, tid_data->ssn); 886e705c121SKalle Valo break; 887e705c121SKalle Valo } 888e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 889e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, 890e705c121SKalle Valo "TX AGG STOP: MAC %pM tid %d\n", 891e705c121SKalle Valo sta->addr, tid); 892e705c121SKalle Valo break; 893e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 894e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, 895e705c121SKalle Valo "RX AGG START: MAC %pM tid %d ssn %d\n", 896e705c121SKalle Valo sta->addr, tid, rx_ba_ssn); 897e705c121SKalle Valo break; 898e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 899e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, 900e705c121SKalle Valo "RX AGG STOP: MAC %pM tid %d\n", 901e705c121SKalle Valo sta->addr, tid); 902e705c121SKalle Valo break; 903e705c121SKalle Valo default: 904e705c121SKalle Valo break; 905e705c121SKalle Valo } 906e705c121SKalle Valo } 907e705c121SKalle Valo 908e705c121SKalle Valo static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, 909e705c121SKalle Valo struct ieee80211_vif *vif, 91050ea05efSSara Sharon struct ieee80211_ampdu_params *params) 911e705c121SKalle Valo { 912e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 913e705c121SKalle Valo int ret; 914e705c121SKalle Valo bool tx_agg_ref = false; 91550ea05efSSara Sharon struct ieee80211_sta *sta = params->sta; 91650ea05efSSara Sharon enum ieee80211_ampdu_mlme_action action = params->action; 91750ea05efSSara Sharon u16 tid = params->tid; 91850ea05efSSara Sharon u16 *ssn = ¶ms->ssn; 91950ea05efSSara Sharon u8 buf_size = params->buf_size; 920bb81bb68SEmmanuel Grumbach bool amsdu = params->amsdu; 92110b2b201SSara Sharon u16 timeout = params->timeout; 922e705c121SKalle Valo 923e705c121SKalle Valo IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", 924e705c121SKalle Valo sta->addr, tid, action); 925e705c121SKalle Valo 926e705c121SKalle Valo if (!(mvm->nvm_data->sku_cap_11n_enable)) 927e705c121SKalle Valo return -EACCES; 928e705c121SKalle Valo 929e705c121SKalle Valo /* return from D0i3 before starting a new Tx aggregation */ 930e705c121SKalle Valo switch (action) { 931e705c121SKalle Valo case IEEE80211_AMPDU_TX_START: 932e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 933e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH: 934e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 935e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: 936e705c121SKalle Valo /* 937e705c121SKalle Valo * for tx start, wait synchronously until D0i3 exit to 938e705c121SKalle Valo * get the correct sequence number for the tid. 939e705c121SKalle Valo * additionally, some other ampdu actions use direct 940e705c121SKalle Valo * target access, which is not handled automatically 941e705c121SKalle Valo * by the trans layer (unlike commands), so wait for 942e705c121SKalle Valo * d0i3 exit in these cases as well. 943e705c121SKalle Valo */ 944e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG); 945e705c121SKalle Valo if (ret) 946e705c121SKalle Valo return ret; 947e705c121SKalle Valo 948e705c121SKalle Valo tx_agg_ref = true; 949e705c121SKalle Valo break; 950e705c121SKalle Valo default: 951e705c121SKalle Valo break; 952e705c121SKalle Valo } 953e705c121SKalle Valo 954e705c121SKalle Valo mutex_lock(&mvm->mutex); 955e705c121SKalle Valo 956e705c121SKalle Valo switch (action) { 957e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 958e705c121SKalle Valo if (!iwl_enable_rx_ampdu(mvm->cfg)) { 959e705c121SKalle Valo ret = -EINVAL; 960e705c121SKalle Valo break; 961e705c121SKalle Valo } 96210b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, 96310b2b201SSara Sharon timeout); 964e705c121SKalle Valo break; 965e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 96610b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, 96710b2b201SSara Sharon timeout); 968e705c121SKalle Valo break; 969e705c121SKalle Valo case IEEE80211_AMPDU_TX_START: 970e705c121SKalle Valo if (!iwl_enable_tx_ampdu(mvm->cfg)) { 971e705c121SKalle Valo ret = -EINVAL; 972e705c121SKalle Valo break; 973e705c121SKalle Valo } 974e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); 975e705c121SKalle Valo break; 976e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 977e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); 978e705c121SKalle Valo break; 979e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH: 980e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 981e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); 982e705c121SKalle Valo break; 983e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: 984bb81bb68SEmmanuel Grumbach ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, 985bb81bb68SEmmanuel Grumbach buf_size, amsdu); 986e705c121SKalle Valo break; 987e705c121SKalle Valo default: 988e705c121SKalle Valo WARN_ON_ONCE(1); 989e705c121SKalle Valo ret = -EINVAL; 990e705c121SKalle Valo break; 991e705c121SKalle Valo } 992e705c121SKalle Valo 993e705c121SKalle Valo if (!ret) { 994e705c121SKalle Valo u16 rx_ba_ssn = 0; 995e705c121SKalle Valo 996e705c121SKalle Valo if (action == IEEE80211_AMPDU_RX_START) 997e705c121SKalle Valo rx_ba_ssn = *ssn; 998e705c121SKalle Valo 999e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, 1000e705c121SKalle Valo rx_ba_ssn, action); 1001e705c121SKalle Valo } 1002e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1003e705c121SKalle Valo 1004e705c121SKalle Valo /* 1005e705c121SKalle Valo * If the tid is marked as started, we won't use it for offloaded 1006e705c121SKalle Valo * traffic on the next D0i3 entry. It's safe to unref. 1007e705c121SKalle Valo */ 1008e705c121SKalle Valo if (tx_agg_ref) 1009e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG); 1010e705c121SKalle Valo 1011e705c121SKalle Valo return ret; 1012e705c121SKalle Valo } 1013e705c121SKalle Valo 1014e705c121SKalle Valo static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, 1015e705c121SKalle Valo struct ieee80211_vif *vif) 1016e705c121SKalle Valo { 1017e705c121SKalle Valo struct iwl_mvm *mvm = data; 1018e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1019e705c121SKalle Valo 1020e705c121SKalle Valo mvmvif->uploaded = false; 10210ae98812SSara Sharon mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; 1022e705c121SKalle Valo 1023e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 1024e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); 1025e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 1026e705c121SKalle Valo 1027e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1028e705c121SKalle Valo memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data)); 1029e705c121SKalle Valo } 1030e705c121SKalle Valo 1031e705c121SKalle Valo static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) 1032e705c121SKalle Valo { 1033e705c121SKalle Valo /* clear the D3 reconfig, we only need it to avoid dumping a 1034e705c121SKalle Valo * firmware coredump on reconfiguration, we shouldn't do that 1035e705c121SKalle Valo * on D3->D0 transition 1036e705c121SKalle Valo */ 1037e705c121SKalle Valo if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG, &mvm->status)) { 10387174beb6SJohannes Berg mvm->fwrt.dump.desc = &iwl_dump_desc_assert; 10397174beb6SJohannes Berg iwl_fw_error_dump(&mvm->fwrt); 1040e705c121SKalle Valo } 1041e705c121SKalle Valo 1042e705c121SKalle Valo /* cleanup all stale references (scan, roc), but keep the 1043e705c121SKalle Valo * ucode_down ref until reconfig is complete 1044e705c121SKalle Valo */ 1045e705c121SKalle Valo iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN); 1046e705c121SKalle Valo 1047fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1048e705c121SKalle Valo 1049e705c121SKalle Valo mvm->scan_status = 0; 1050e705c121SKalle Valo mvm->ps_disabled = false; 1051e705c121SKalle Valo mvm->calibrating = false; 1052e705c121SKalle Valo 1053e705c121SKalle Valo /* just in case one was running */ 1054305d236eSEliad Peller iwl_mvm_cleanup_roc_te(mvm); 1055e705c121SKalle Valo ieee80211_remain_on_channel_expired(mvm->hw); 1056e705c121SKalle Valo 1057e705c121SKalle Valo /* 1058e705c121SKalle Valo * cleanup all interfaces, even inactive ones, as some might have 1059e705c121SKalle Valo * gone down during the HW restart 1060e705c121SKalle Valo */ 1061e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); 1062e705c121SKalle Valo 1063e705c121SKalle Valo mvm->p2p_device_vif = NULL; 10640ae98812SSara Sharon mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA; 1065e705c121SKalle Valo 1066e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 10679c3deeb5SLuca Coelho memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); 106824afba76SLiad Kaufman memset(mvm->sta_deferred_frames, 0, sizeof(mvm->sta_deferred_frames)); 1069e705c121SKalle Valo memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); 1070e705c121SKalle Valo memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); 1071e705c121SKalle Valo 1072e705c121SKalle Valo ieee80211_wake_queues(mvm->hw); 1073e705c121SKalle Valo 1074e705c121SKalle Valo /* clear any stale d0i3 state */ 1075e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); 1076e705c121SKalle Valo 1077e705c121SKalle Valo mvm->vif_count = 0; 1078e705c121SKalle Valo mvm->rx_ba_sessions = 0; 10797174beb6SJohannes Berg mvm->fwrt.dump.conf = FW_DBG_INVALID; 1080e705c121SKalle Valo 1081e705c121SKalle Valo /* keep statistics ticking */ 1082e705c121SKalle Valo iwl_mvm_accu_radio_stats(mvm); 1083e705c121SKalle Valo } 1084e705c121SKalle Valo 1085e705c121SKalle Valo int __iwl_mvm_mac_start(struct iwl_mvm *mvm) 1086e705c121SKalle Valo { 1087e705c121SKalle Valo int ret; 1088e705c121SKalle Valo 1089e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1090e705c121SKalle Valo 1091bf8b286fSJohannes Berg if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { 1092bf8b286fSJohannes Berg /* 1093bf8b286fSJohannes Berg * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART 1094bf8b286fSJohannes Berg * so later code will - from now on - see that we're doing it. 1095bf8b286fSJohannes Berg */ 1096bf8b286fSJohannes Berg set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1097bf8b286fSJohannes Berg clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1098e705c121SKalle Valo /* Clean up some internal and mac80211 state on restart */ 1099e705c121SKalle Valo iwl_mvm_restart_cleanup(mvm); 1100a42b2af3SLuca Coelho } else { 1101a42b2af3SLuca Coelho /* Hold the reference to prevent runtime suspend while 1102a42b2af3SLuca Coelho * the start procedure runs. It's a bit confusing 1103a42b2af3SLuca Coelho * that the UCODE_DOWN reference is taken, but it just 1104a42b2af3SLuca Coelho * means "UCODE is not UP yet". ( TODO: rename this 1105a42b2af3SLuca Coelho * reference). 1106a42b2af3SLuca Coelho */ 1107a42b2af3SLuca Coelho iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); 1108a42b2af3SLuca Coelho } 1109e705c121SKalle Valo ret = iwl_mvm_up(mvm); 1110e705c121SKalle Valo 1111e705c121SKalle Valo if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1112e705c121SKalle Valo /* Something went wrong - we need to finish some cleanup 1113e705c121SKalle Valo * that normally iwl_mvm_mac_restart_complete() below 1114e705c121SKalle Valo * would do. 1115e705c121SKalle Valo */ 1116e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1117e705c121SKalle Valo iwl_mvm_d0i3_enable_tx(mvm, NULL); 1118e705c121SKalle Valo } 1119e705c121SKalle Valo 1120e705c121SKalle Valo return ret; 1121e705c121SKalle Valo } 1122e705c121SKalle Valo 1123e705c121SKalle Valo static int iwl_mvm_mac_start(struct ieee80211_hw *hw) 1124e705c121SKalle Valo { 1125e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1126e705c121SKalle Valo int ret; 1127e705c121SKalle Valo 1128e705c121SKalle Valo /* Some hw restart cleanups must not hold the mutex */ 1129e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1130e705c121SKalle Valo /* 1131e705c121SKalle Valo * Make sure we are out of d0i3. This is needed 1132e705c121SKalle Valo * to make sure the reference accounting is correct 1133e705c121SKalle Valo * (and there is no stale d0i3_exit_work). 1134e705c121SKalle Valo */ 1135e705c121SKalle Valo wait_event_timeout(mvm->d0i3_exit_waitq, 1136e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_IN_D0I3, 1137e705c121SKalle Valo &mvm->status), 1138e705c121SKalle Valo HZ); 1139e705c121SKalle Valo } 1140e705c121SKalle Valo 1141e705c121SKalle Valo mutex_lock(&mvm->mutex); 1142e705c121SKalle Valo ret = __iwl_mvm_mac_start(mvm); 1143e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1144e705c121SKalle Valo 1145e705c121SKalle Valo return ret; 1146e705c121SKalle Valo } 1147e705c121SKalle Valo 1148e705c121SKalle Valo static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 1149e705c121SKalle Valo { 1150e705c121SKalle Valo int ret; 1151e705c121SKalle Valo 1152e705c121SKalle Valo mutex_lock(&mvm->mutex); 1153e705c121SKalle Valo 1154e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1155e705c121SKalle Valo iwl_mvm_d0i3_enable_tx(mvm, NULL); 1156e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 1157e705c121SKalle Valo if (ret) 1158e705c121SKalle Valo IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", 1159e705c121SKalle Valo ret); 1160e705c121SKalle Valo 1161e705c121SKalle Valo /* allow transport/FW low power modes */ 1162e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN); 1163e705c121SKalle Valo 1164e705c121SKalle Valo /* 1165e705c121SKalle Valo * If we have TDLS peers, remove them. We don't know the last seqno/PN 1166e705c121SKalle Valo * of packets the FW sent out, so we must reconnect. 1167e705c121SKalle Valo */ 1168e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 1169e705c121SKalle Valo 1170e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1171e705c121SKalle Valo } 1172e705c121SKalle Valo 1173e705c121SKalle Valo static void iwl_mvm_resume_complete(struct iwl_mvm *mvm) 1174e705c121SKalle Valo { 1175b7282643SLuca Coelho if (iwl_mvm_is_d0i3_supported(mvm) && 1176b7282643SLuca Coelho iwl_mvm_enter_d0i3_on_suspend(mvm)) 1177b7282643SLuca Coelho WARN_ONCE(!wait_event_timeout(mvm->d0i3_exit_waitq, 1178e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_IN_D0I3, 1179e705c121SKalle Valo &mvm->status), 1180b7282643SLuca Coelho HZ), 1181b7282643SLuca Coelho "D0i3 exit on resume timed out\n"); 1182e705c121SKalle Valo } 1183e705c121SKalle Valo 1184e705c121SKalle Valo static void 1185e705c121SKalle Valo iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, 1186e705c121SKalle Valo enum ieee80211_reconfig_type reconfig_type) 1187e705c121SKalle Valo { 1188e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1189e705c121SKalle Valo 1190e705c121SKalle Valo switch (reconfig_type) { 1191e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_RESTART: 1192e705c121SKalle Valo iwl_mvm_restart_complete(mvm); 1193e705c121SKalle Valo break; 1194e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_SUSPEND: 1195e705c121SKalle Valo iwl_mvm_resume_complete(mvm); 1196e705c121SKalle Valo break; 1197e705c121SKalle Valo } 1198e705c121SKalle Valo } 1199e705c121SKalle Valo 1200e705c121SKalle Valo void __iwl_mvm_mac_stop(struct iwl_mvm *mvm) 1201e705c121SKalle Valo { 1202e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1203e705c121SKalle Valo 1204e705c121SKalle Valo /* firmware counters are obviously reset now, but we shouldn't 1205e705c121SKalle Valo * partially track so also clear the fw_reset_accu counters. 1206e705c121SKalle Valo */ 1207e705c121SKalle Valo memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); 1208e705c121SKalle Valo 1209e705c121SKalle Valo /* async_handlers_wk is now blocked */ 1210e705c121SKalle Valo 1211e705c121SKalle Valo /* 1212e705c121SKalle Valo * The work item could be running or queued if the 1213e705c121SKalle Valo * ROC time event stops just as we get here. 1214e705c121SKalle Valo */ 1215e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 1216e705c121SKalle Valo 1217fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1218e705c121SKalle Valo 1219e705c121SKalle Valo iwl_mvm_async_handlers_purge(mvm); 1220e705c121SKalle Valo /* async_handlers_list is empty and will stay empty: HW is stopped */ 1221e705c121SKalle Valo 1222e705c121SKalle Valo /* the fw is stopped, the aux sta is dead: clean up driver state */ 1223e705c121SKalle Valo iwl_mvm_del_aux_sta(mvm); 1224e705c121SKalle Valo 1225e705c121SKalle Valo /* 1226e705c121SKalle Valo * Clear IN_HW_RESTART flag when stopping the hw (as restart_complete() 1227e705c121SKalle Valo * won't be called in this case). 1228e705c121SKalle Valo * But make sure to cleanup interfaces that have gone down before/during 1229e705c121SKalle Valo * HW restart was requested. 1230e705c121SKalle Valo */ 1231e705c121SKalle Valo if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1232e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, 1233e705c121SKalle Valo iwl_mvm_cleanup_iterator, mvm); 1234e705c121SKalle Valo 1235e705c121SKalle Valo /* We shouldn't have any UIDs still set. Loop over all the UIDs to 1236e705c121SKalle Valo * make sure there's nothing left there and warn if any is found. 1237e705c121SKalle Valo */ 1238e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1239e705c121SKalle Valo int i; 1240e705c121SKalle Valo 1241e705c121SKalle Valo for (i = 0; i < mvm->max_scans; i++) { 1242e705c121SKalle Valo if (WARN_ONCE(mvm->scan_uid_status[i], 1243e705c121SKalle Valo "UMAC scan UID %d status was not cleaned\n", 1244e705c121SKalle Valo i)) 1245e705c121SKalle Valo mvm->scan_uid_status[i] = 0; 1246e705c121SKalle Valo } 1247e705c121SKalle Valo } 1248e705c121SKalle Valo } 1249e705c121SKalle Valo 1250e705c121SKalle Valo static void iwl_mvm_mac_stop(struct ieee80211_hw *hw) 1251e705c121SKalle Valo { 1252e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1253e705c121SKalle Valo 1254e705c121SKalle Valo flush_work(&mvm->d0i3_exit_work); 1255e705c121SKalle Valo flush_work(&mvm->async_handlers_wk); 125624afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 1257771147b0SJohannes Berg 1258771147b0SJohannes Berg /* 1259771147b0SJohannes Berg * Lock and clear the firmware running bit here already, so that 1260771147b0SJohannes Berg * new commands coming in elsewhere, e.g. from debugfs, will not 1261771147b0SJohannes Berg * be able to proceed. This is important here because one of those 12627174beb6SJohannes Berg * debugfs files causes the firmware dump to be triggered, and if we 1263771147b0SJohannes Berg * don't stop debugfs accesses before canceling that it could be 1264771147b0SJohannes Berg * retriggered after we flush it but before we've cleared the bit. 1265771147b0SJohannes Berg */ 1266771147b0SJohannes Berg clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1267771147b0SJohannes Berg 12687174beb6SJohannes Berg iwl_fw_cancel_dump(&mvm->fwrt); 1269d3a108a4SAndrei Otcheretianski cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); 127069e04642SLuca Coelho cancel_delayed_work_sync(&mvm->scan_timeout_dwork); 12717174beb6SJohannes Berg iwl_fw_free_dump_desc(&mvm->fwrt); 1272e705c121SKalle Valo 1273e705c121SKalle Valo mutex_lock(&mvm->mutex); 1274e705c121SKalle Valo __iwl_mvm_mac_stop(mvm); 1275e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1276e705c121SKalle Valo 1277e705c121SKalle Valo /* 1278e705c121SKalle Valo * The worker might have been waiting for the mutex, let it run and 1279e705c121SKalle Valo * discover that its list is now empty. 1280e705c121SKalle Valo */ 1281e705c121SKalle Valo cancel_work_sync(&mvm->async_handlers_wk); 1282e705c121SKalle Valo } 1283e705c121SKalle Valo 1284e705c121SKalle Valo static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) 1285e705c121SKalle Valo { 1286e705c121SKalle Valo u16 i; 1287e705c121SKalle Valo 1288e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1289e705c121SKalle Valo 1290e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) 1291e705c121SKalle Valo if (!mvm->phy_ctxts[i].ref) 1292e705c121SKalle Valo return &mvm->phy_ctxts[i]; 1293e705c121SKalle Valo 1294e705c121SKalle Valo IWL_ERR(mvm, "No available PHY context\n"); 1295e705c121SKalle Valo return NULL; 1296e705c121SKalle Valo } 1297e705c121SKalle Valo 1298e705c121SKalle Valo static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1299e705c121SKalle Valo s16 tx_power) 1300e705c121SKalle Valo { 1301e705c121SKalle Valo struct iwl_dev_tx_power_cmd cmd = { 13024b87e5afSLuca Coelho .v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), 13034b87e5afSLuca Coelho .v3.mac_context_id = 1304e705c121SKalle Valo cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), 13054b87e5afSLuca Coelho .v3.pwr_restriction = cpu_to_le16(8 * tx_power), 1306e705c121SKalle Valo }; 1307e705c121SKalle Valo int len = sizeof(cmd); 1308e705c121SKalle Valo 1309e705c121SKalle Valo if (tx_power == IWL_DEFAULT_MAX_TX_POWER) 13104b87e5afSLuca Coelho cmd.v3.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); 1311e705c121SKalle Valo 131255bfa4b9SLuca Coelho if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 131355bfa4b9SLuca Coelho len = sizeof(cmd.v3); 1314e705c121SKalle Valo 1315e705c121SKalle Valo return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); 1316e705c121SKalle Valo } 1317e705c121SKalle Valo 1318e705c121SKalle Valo static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 1319e705c121SKalle Valo struct ieee80211_vif *vif) 1320e705c121SKalle Valo { 1321e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1322e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1323e705c121SKalle Valo int ret; 1324e705c121SKalle Valo 1325e705c121SKalle Valo mvmvif->mvm = mvm; 1326e705c121SKalle Valo 1327e705c121SKalle Valo /* 1328e705c121SKalle Valo * make sure D0i3 exit is completed, otherwise a target access 1329e705c121SKalle Valo * during tx queue configuration could be done when still in 1330e705c121SKalle Valo * D0i3 state. 1331e705c121SKalle Valo */ 1332e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF); 1333e705c121SKalle Valo if (ret) 1334e705c121SKalle Valo return ret; 1335e705c121SKalle Valo 1336e705c121SKalle Valo /* 1337e705c121SKalle Valo * Not much to do here. The stack will not allow interface 1338e705c121SKalle Valo * types or combinations that we didn't advertise, so we 1339e705c121SKalle Valo * don't really have to check the types. 1340e705c121SKalle Valo */ 1341e705c121SKalle Valo 1342e705c121SKalle Valo mutex_lock(&mvm->mutex); 1343e705c121SKalle Valo 1344e705c121SKalle Valo /* make sure that beacon statistics don't go backwards with FW reset */ 1345e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1346e705c121SKalle Valo mvmvif->beacon_stats.accu_num_beacons += 1347e705c121SKalle Valo mvmvif->beacon_stats.num_beacons; 1348e705c121SKalle Valo 1349e705c121SKalle Valo /* Allocate resources for the MAC context, and add it to the fw */ 1350e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_init(mvm, vif); 1351e705c121SKalle Valo if (ret) 1352e705c121SKalle Valo goto out_unlock; 1353e705c121SKalle Valo 1354e705c121SKalle Valo /* Counting number of interfaces is needed for legacy PM */ 1355e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_P2P_DEVICE) 1356e705c121SKalle Valo mvm->vif_count++; 1357e705c121SKalle Valo 1358e705c121SKalle Valo /* 1359e705c121SKalle Valo * The AP binding flow can be done only after the beacon 1360e705c121SKalle Valo * template is configured (which happens only in the mac80211 1361e705c121SKalle Valo * start_ap() flow), and adding the broadcast station can happen 1362e705c121SKalle Valo * only after the binding. 1363e705c121SKalle Valo * In addition, since modifying the MAC before adding a bcast 1364e705c121SKalle Valo * station is not allowed by the FW, delay the adding of MAC context to 1365e705c121SKalle Valo * the point where we can also add the bcast station. 1366e705c121SKalle Valo * In short: there's not much we can do at this point, other than 1367e705c121SKalle Valo * allocating resources :) 1368e705c121SKalle Valo */ 1369e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1370e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 1371e705c121SKalle Valo ret = iwl_mvm_alloc_bcast_sta(mvm, vif); 1372e705c121SKalle Valo if (ret) { 1373e705c121SKalle Valo IWL_ERR(mvm, "Failed to allocate bcast sta\n"); 1374e705c121SKalle Valo goto out_release; 1375e705c121SKalle Valo } 1376e705c121SKalle Valo 137726d6c16bSSara Sharon /* 137826d6c16bSSara Sharon * Only queue for this station is the mcast queue, 137926d6c16bSSara Sharon * which shouldn't be in TFD mask anyway 138026d6c16bSSara Sharon */ 138126d6c16bSSara Sharon ret = iwl_mvm_allocate_int_sta(mvm, &mvmvif->mcast_sta, 1382ced19f26SSara Sharon 0, vif->type, 1383ced19f26SSara Sharon IWL_STA_MULTICAST); 138426d6c16bSSara Sharon if (ret) 138526d6c16bSSara Sharon goto out_release; 138626d6c16bSSara Sharon 1387e705c121SKalle Valo iwl_mvm_vif_dbgfs_register(mvm, vif); 1388e705c121SKalle Valo goto out_unlock; 1389e705c121SKalle Valo } 1390e705c121SKalle Valo 1391e705c121SKalle Valo mvmvif->features |= hw->netdev_features; 1392e705c121SKalle Valo 1393e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 1394e705c121SKalle Valo if (ret) 1395e705c121SKalle Valo goto out_release; 1396e705c121SKalle Valo 1397e705c121SKalle Valo ret = iwl_mvm_power_update_mac(mvm); 1398e705c121SKalle Valo if (ret) 1399e705c121SKalle Valo goto out_remove_mac; 1400e705c121SKalle Valo 1401e705c121SKalle Valo /* beacon filtering */ 1402e705c121SKalle Valo ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 1403e705c121SKalle Valo if (ret) 1404e705c121SKalle Valo goto out_remove_mac; 1405e705c121SKalle Valo 1406e705c121SKalle Valo if (!mvm->bf_allowed_vif && 1407e705c121SKalle Valo vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { 1408e705c121SKalle Valo mvm->bf_allowed_vif = mvmvif; 1409e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 1410e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI; 1411e705c121SKalle Valo } 1412e705c121SKalle Valo 1413e705c121SKalle Valo /* 1414e705c121SKalle Valo * P2P_DEVICE interface does not have a channel context assigned to it, 1415e705c121SKalle Valo * so a dedicated PHY context is allocated to it and the corresponding 1416e705c121SKalle Valo * MAC context is bound to it at this stage. 1417e705c121SKalle Valo */ 1418e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1419e705c121SKalle Valo 1420e705c121SKalle Valo mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 1421e705c121SKalle Valo if (!mvmvif->phy_ctxt) { 1422e705c121SKalle Valo ret = -ENOSPC; 1423e705c121SKalle Valo goto out_free_bf; 1424e705c121SKalle Valo } 1425e705c121SKalle Valo 1426e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 1427e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 1428e705c121SKalle Valo if (ret) 1429e705c121SKalle Valo goto out_unref_phy; 1430e705c121SKalle Valo 1431d197358bSLuca Coelho ret = iwl_mvm_add_p2p_bcast_sta(mvm, vif); 1432e705c121SKalle Valo if (ret) 1433e705c121SKalle Valo goto out_unbind; 1434e705c121SKalle Valo 1435e705c121SKalle Valo /* Save a pointer to p2p device vif, so it can later be used to 1436e705c121SKalle Valo * update the p2p device MAC when a GO is started/stopped */ 1437e705c121SKalle Valo mvm->p2p_device_vif = vif; 1438e705c121SKalle Valo } 1439e705c121SKalle Valo 1440e705c121SKalle Valo iwl_mvm_vif_dbgfs_register(mvm, vif); 1441e705c121SKalle Valo goto out_unlock; 1442e705c121SKalle Valo 1443e705c121SKalle Valo out_unbind: 1444e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1445e705c121SKalle Valo out_unref_phy: 1446e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 1447e705c121SKalle Valo out_free_bf: 1448e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1449e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1450e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1451e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1452e705c121SKalle Valo } 1453e705c121SKalle Valo out_remove_mac: 1454e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1455e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1456e705c121SKalle Valo out_release: 1457e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_P2P_DEVICE) 1458e705c121SKalle Valo mvm->vif_count--; 1459e705c121SKalle Valo out_unlock: 1460e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1461e705c121SKalle Valo 1462e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF); 1463e705c121SKalle Valo 1464e705c121SKalle Valo return ret; 1465e705c121SKalle Valo } 1466e705c121SKalle Valo 1467e705c121SKalle Valo static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1468e705c121SKalle Valo struct ieee80211_vif *vif) 1469e705c121SKalle Valo { 1470e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1471e705c121SKalle Valo /* 1472e705c121SKalle Valo * Flush the ROC worker which will flush the OFFCHANNEL queue. 1473e705c121SKalle Valo * We assume here that all the packets sent to the OFFCHANNEL 1474e705c121SKalle Valo * queue are sent in ROC session. 1475e705c121SKalle Valo */ 1476e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 1477e705c121SKalle Valo } 1478e705c121SKalle Valo } 1479e705c121SKalle Valo 1480e705c121SKalle Valo static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 1481e705c121SKalle Valo struct ieee80211_vif *vif) 1482e705c121SKalle Valo { 1483e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1484e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1485e705c121SKalle Valo 1486e705c121SKalle Valo iwl_mvm_prepare_mac_removal(mvm, vif); 1487e705c121SKalle Valo 1488e705c121SKalle Valo mutex_lock(&mvm->mutex); 1489e705c121SKalle Valo 1490e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1491e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1492e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1493e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1494e705c121SKalle Valo } 1495e705c121SKalle Valo 1496e705c121SKalle Valo iwl_mvm_vif_dbgfs_clean(mvm, vif); 1497e705c121SKalle Valo 1498e705c121SKalle Valo /* 1499e705c121SKalle Valo * For AP/GO interface, the tear down of the resources allocated to the 1500e705c121SKalle Valo * interface is be handled as part of the stop_ap flow. 1501e705c121SKalle Valo */ 1502e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1503e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 1504e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 1505e705c121SKalle Valo if (vif == mvm->noa_vif) { 1506e705c121SKalle Valo mvm->noa_vif = NULL; 1507e705c121SKalle Valo mvm->noa_duration = 0; 1508e705c121SKalle Valo } 1509e705c121SKalle Valo #endif 151026d6c16bSSara Sharon iwl_mvm_dealloc_int_sta(mvm, &mvmvif->mcast_sta); 1511e705c121SKalle Valo iwl_mvm_dealloc_bcast_sta(mvm, vif); 1512e705c121SKalle Valo goto out_release; 1513e705c121SKalle Valo } 1514e705c121SKalle Valo 1515e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1516e705c121SKalle Valo mvm->p2p_device_vif = NULL; 1517d197358bSLuca Coelho iwl_mvm_rm_p2p_bcast_sta(mvm, vif); 1518e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1519e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 1520e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1521e705c121SKalle Valo } 1522e705c121SKalle Valo 1523e705c121SKalle Valo if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE) 1524e705c121SKalle Valo mvm->vif_count--; 1525e705c121SKalle Valo 1526e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 1527e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1528e705c121SKalle Valo 1529e705c121SKalle Valo out_release: 1530e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1531e705c121SKalle Valo } 1532e705c121SKalle Valo 1533e705c121SKalle Valo static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed) 1534e705c121SKalle Valo { 1535e705c121SKalle Valo return 0; 1536e705c121SKalle Valo } 1537e705c121SKalle Valo 1538e705c121SKalle Valo struct iwl_mvm_mc_iter_data { 1539e705c121SKalle Valo struct iwl_mvm *mvm; 1540e705c121SKalle Valo int port_id; 1541e705c121SKalle Valo }; 1542e705c121SKalle Valo 1543e705c121SKalle Valo static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 1544e705c121SKalle Valo struct ieee80211_vif *vif) 1545e705c121SKalle Valo { 1546e705c121SKalle Valo struct iwl_mvm_mc_iter_data *data = _data; 1547e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1548e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 1549e705c121SKalle Valo int ret, len; 1550e705c121SKalle Valo 1551e705c121SKalle Valo /* if we don't have free ports, mcast frames will be dropped */ 1552e705c121SKalle Valo if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 1553e705c121SKalle Valo return; 1554e705c121SKalle Valo 1555e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || 1556e705c121SKalle Valo !vif->bss_conf.assoc) 1557e705c121SKalle Valo return; 1558e705c121SKalle Valo 1559e705c121SKalle Valo cmd->port_id = data->port_id++; 1560e705c121SKalle Valo memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 1561e705c121SKalle Valo len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 1562e705c121SKalle Valo 1563e705c121SKalle Valo ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_ASYNC, len, cmd); 1564e705c121SKalle Valo if (ret) 1565e705c121SKalle Valo IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 1566e705c121SKalle Valo } 1567e705c121SKalle Valo 1568e705c121SKalle Valo static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 1569e705c121SKalle Valo { 1570e705c121SKalle Valo struct iwl_mvm_mc_iter_data iter_data = { 1571e705c121SKalle Valo .mvm = mvm, 1572e705c121SKalle Valo }; 1573e705c121SKalle Valo 1574e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1575e705c121SKalle Valo 1576e705c121SKalle Valo if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 1577e705c121SKalle Valo return; 1578e705c121SKalle Valo 1579e705c121SKalle Valo ieee80211_iterate_active_interfaces_atomic( 1580e705c121SKalle Valo mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1581e705c121SKalle Valo iwl_mvm_mc_iface_iterator, &iter_data); 1582e705c121SKalle Valo } 1583e705c121SKalle Valo 1584e705c121SKalle Valo static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 1585e705c121SKalle Valo struct netdev_hw_addr_list *mc_list) 1586e705c121SKalle Valo { 1587e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1588e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd; 1589e705c121SKalle Valo struct netdev_hw_addr *addr; 1590e705c121SKalle Valo int addr_count; 1591e705c121SKalle Valo bool pass_all; 1592e705c121SKalle Valo int len; 1593e705c121SKalle Valo 1594e705c121SKalle Valo addr_count = netdev_hw_addr_list_count(mc_list); 1595e705c121SKalle Valo pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 1596e705c121SKalle Valo IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 1597e705c121SKalle Valo if (pass_all) 1598e705c121SKalle Valo addr_count = 0; 1599e705c121SKalle Valo 1600e705c121SKalle Valo len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 1601e705c121SKalle Valo cmd = kzalloc(len, GFP_ATOMIC); 1602e705c121SKalle Valo if (!cmd) 1603e705c121SKalle Valo return 0; 1604e705c121SKalle Valo 1605e705c121SKalle Valo if (pass_all) { 1606e705c121SKalle Valo cmd->pass_all = 1; 1607e705c121SKalle Valo return (u64)(unsigned long)cmd; 1608e705c121SKalle Valo } 1609e705c121SKalle Valo 1610e705c121SKalle Valo netdev_hw_addr_list_for_each(addr, mc_list) { 1611e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 1612e705c121SKalle Valo cmd->count, addr->addr); 1613e705c121SKalle Valo memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 1614e705c121SKalle Valo addr->addr, ETH_ALEN); 1615e705c121SKalle Valo cmd->count++; 1616e705c121SKalle Valo } 1617e705c121SKalle Valo 1618e705c121SKalle Valo return (u64)(unsigned long)cmd; 1619e705c121SKalle Valo } 1620e705c121SKalle Valo 1621e705c121SKalle Valo static void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 1622e705c121SKalle Valo unsigned int changed_flags, 1623e705c121SKalle Valo unsigned int *total_flags, 1624e705c121SKalle Valo u64 multicast) 1625e705c121SKalle Valo { 1626e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1627e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; 1628e705c121SKalle Valo 1629e705c121SKalle Valo mutex_lock(&mvm->mutex); 1630e705c121SKalle Valo 1631e705c121SKalle Valo /* replace previous configuration */ 1632e705c121SKalle Valo kfree(mvm->mcast_filter_cmd); 1633e705c121SKalle Valo mvm->mcast_filter_cmd = cmd; 1634e705c121SKalle Valo 1635e705c121SKalle Valo if (!cmd) 1636e705c121SKalle Valo goto out; 1637e705c121SKalle Valo 1638e705c121SKalle Valo iwl_mvm_recalc_multicast(mvm); 1639e705c121SKalle Valo out: 1640e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1641e705c121SKalle Valo *total_flags = 0; 1642e705c121SKalle Valo } 1643e705c121SKalle Valo 1644e705c121SKalle Valo static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 1645e705c121SKalle Valo struct ieee80211_vif *vif, 1646e705c121SKalle Valo unsigned int filter_flags, 1647e705c121SKalle Valo unsigned int changed_flags) 1648e705c121SKalle Valo { 1649e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1650e705c121SKalle Valo 1651e705c121SKalle Valo /* We support only filter for probe requests */ 1652e705c121SKalle Valo if (!(changed_flags & FIF_PROBE_REQ)) 1653e705c121SKalle Valo return; 1654e705c121SKalle Valo 1655e705c121SKalle Valo /* Supported only for p2p client interfaces */ 1656e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc || 1657e705c121SKalle Valo !vif->p2p) 1658e705c121SKalle Valo return; 1659e705c121SKalle Valo 1660e705c121SKalle Valo mutex_lock(&mvm->mutex); 1661e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1662e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1663e705c121SKalle Valo } 1664e705c121SKalle Valo 1665e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 1666e705c121SKalle Valo struct iwl_bcast_iter_data { 1667e705c121SKalle Valo struct iwl_mvm *mvm; 1668e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd; 1669e705c121SKalle Valo u8 current_filter; 1670e705c121SKalle Valo }; 1671e705c121SKalle Valo 1672e705c121SKalle Valo static void 1673e705c121SKalle Valo iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif, 1674e705c121SKalle Valo const struct iwl_fw_bcast_filter *in_filter, 1675e705c121SKalle Valo struct iwl_fw_bcast_filter *out_filter) 1676e705c121SKalle Valo { 1677e705c121SKalle Valo struct iwl_fw_bcast_filter_attr *attr; 1678e705c121SKalle Valo int i; 1679e705c121SKalle Valo 1680e705c121SKalle Valo memcpy(out_filter, in_filter, sizeof(*out_filter)); 1681e705c121SKalle Valo 1682e705c121SKalle Valo for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) { 1683e705c121SKalle Valo attr = &out_filter->attrs[i]; 1684e705c121SKalle Valo 1685e705c121SKalle Valo if (!attr->mask) 1686e705c121SKalle Valo break; 1687e705c121SKalle Valo 1688e705c121SKalle Valo switch (attr->reserved1) { 1689e705c121SKalle Valo case cpu_to_le16(BC_FILTER_MAGIC_IP): 1690e705c121SKalle Valo if (vif->bss_conf.arp_addr_cnt != 1) { 1691e705c121SKalle Valo attr->mask = 0; 1692e705c121SKalle Valo continue; 1693e705c121SKalle Valo } 1694e705c121SKalle Valo 1695e705c121SKalle Valo attr->val = vif->bss_conf.arp_addr_list[0]; 1696e705c121SKalle Valo break; 1697e705c121SKalle Valo case cpu_to_le16(BC_FILTER_MAGIC_MAC): 1698e705c121SKalle Valo attr->val = *(__be32 *)&vif->addr[2]; 1699e705c121SKalle Valo break; 1700e705c121SKalle Valo default: 1701e705c121SKalle Valo break; 1702e705c121SKalle Valo } 1703e705c121SKalle Valo attr->reserved1 = 0; 1704e705c121SKalle Valo out_filter->num_attrs++; 1705e705c121SKalle Valo } 1706e705c121SKalle Valo } 1707e705c121SKalle Valo 1708e705c121SKalle Valo static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac, 1709e705c121SKalle Valo struct ieee80211_vif *vif) 1710e705c121SKalle Valo { 1711e705c121SKalle Valo struct iwl_bcast_iter_data *data = _data; 1712e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1713e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd = data->cmd; 1714e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1715e705c121SKalle Valo struct iwl_fw_bcast_mac *bcast_mac; 1716e705c121SKalle Valo int i; 1717e705c121SKalle Valo 1718e705c121SKalle Valo if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs))) 1719e705c121SKalle Valo return; 1720e705c121SKalle Valo 1721e705c121SKalle Valo bcast_mac = &cmd->macs[mvmvif->id]; 1722e705c121SKalle Valo 1723e705c121SKalle Valo /* 1724e705c121SKalle Valo * enable filtering only for associated stations, but not for P2P 1725e705c121SKalle Valo * Clients 1726e705c121SKalle Valo */ 1727e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || vif->p2p || 1728e705c121SKalle Valo !vif->bss_conf.assoc) 1729e705c121SKalle Valo return; 1730e705c121SKalle Valo 1731e705c121SKalle Valo bcast_mac->default_discard = 1; 1732e705c121SKalle Valo 1733e705c121SKalle Valo /* copy all configured filters */ 1734e705c121SKalle Valo for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) { 1735e705c121SKalle Valo /* 1736e705c121SKalle Valo * Make sure we don't exceed our filters limit. 1737e705c121SKalle Valo * if there is still a valid filter to be configured, 1738e705c121SKalle Valo * be on the safe side and just allow bcast for this mac. 1739e705c121SKalle Valo */ 1740e705c121SKalle Valo if (WARN_ON_ONCE(data->current_filter >= 1741e705c121SKalle Valo ARRAY_SIZE(cmd->filters))) { 1742e705c121SKalle Valo bcast_mac->default_discard = 0; 1743e705c121SKalle Valo bcast_mac->attached_filters = 0; 1744e705c121SKalle Valo break; 1745e705c121SKalle Valo } 1746e705c121SKalle Valo 1747e705c121SKalle Valo iwl_mvm_set_bcast_filter(vif, 1748e705c121SKalle Valo &mvm->bcast_filters[i], 1749e705c121SKalle Valo &cmd->filters[data->current_filter]); 1750e705c121SKalle Valo 1751e705c121SKalle Valo /* skip current filter if it contains no attributes */ 1752e705c121SKalle Valo if (!cmd->filters[data->current_filter].num_attrs) 1753e705c121SKalle Valo continue; 1754e705c121SKalle Valo 1755e705c121SKalle Valo /* attach the filter to current mac */ 1756e705c121SKalle Valo bcast_mac->attached_filters |= 1757e705c121SKalle Valo cpu_to_le16(BIT(data->current_filter)); 1758e705c121SKalle Valo 1759e705c121SKalle Valo data->current_filter++; 1760e705c121SKalle Valo } 1761e705c121SKalle Valo } 1762e705c121SKalle Valo 1763e705c121SKalle Valo bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm, 1764e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd) 1765e705c121SKalle Valo { 1766e705c121SKalle Valo struct iwl_bcast_iter_data iter_data = { 1767e705c121SKalle Valo .mvm = mvm, 1768e705c121SKalle Valo .cmd = cmd, 1769e705c121SKalle Valo }; 1770e705c121SKalle Valo 1771e705c121SKalle Valo if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL) 1772e705c121SKalle Valo return false; 1773e705c121SKalle Valo 1774e705c121SKalle Valo memset(cmd, 0, sizeof(*cmd)); 1775e705c121SKalle Valo cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters); 1776e705c121SKalle Valo cmd->max_macs = ARRAY_SIZE(cmd->macs); 1777e705c121SKalle Valo 1778e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_DEBUGFS 1779e705c121SKalle Valo /* use debugfs filters/macs if override is configured */ 1780e705c121SKalle Valo if (mvm->dbgfs_bcast_filtering.override) { 1781e705c121SKalle Valo memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters, 1782e705c121SKalle Valo sizeof(cmd->filters)); 1783e705c121SKalle Valo memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs, 1784e705c121SKalle Valo sizeof(cmd->macs)); 1785e705c121SKalle Valo return true; 1786e705c121SKalle Valo } 1787e705c121SKalle Valo #endif 1788e705c121SKalle Valo 1789e705c121SKalle Valo /* if no filters are configured, do nothing */ 1790e705c121SKalle Valo if (!mvm->bcast_filters) 1791e705c121SKalle Valo return false; 1792e705c121SKalle Valo 1793e705c121SKalle Valo /* configure and attach these filters for each associated sta vif */ 1794e705c121SKalle Valo ieee80211_iterate_active_interfaces( 1795e705c121SKalle Valo mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1796e705c121SKalle Valo iwl_mvm_bcast_filter_iterator, &iter_data); 1797e705c121SKalle Valo 1798e705c121SKalle Valo return true; 1799e705c121SKalle Valo } 180034672bb3SEliad Peller 180134672bb3SEliad Peller static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm) 1802e705c121SKalle Valo { 1803e705c121SKalle Valo struct iwl_bcast_filter_cmd cmd; 1804e705c121SKalle Valo 1805e705c121SKalle Valo if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING)) 1806e705c121SKalle Valo return 0; 1807e705c121SKalle Valo 1808e705c121SKalle Valo if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) 1809e705c121SKalle Valo return 0; 1810e705c121SKalle Valo 1811e705c121SKalle Valo return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, 1812e705c121SKalle Valo sizeof(cmd), &cmd); 1813e705c121SKalle Valo } 1814e705c121SKalle Valo #else 181534672bb3SEliad Peller static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm) 1816e705c121SKalle Valo { 1817e705c121SKalle Valo return 0; 1818e705c121SKalle Valo } 1819e705c121SKalle Valo #endif 1820e705c121SKalle Valo 1821a07a8f37SSara Sharon static int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, 1822a07a8f37SSara Sharon struct ieee80211_vif *vif) 1823a07a8f37SSara Sharon { 1824a07a8f37SSara Sharon struct iwl_mu_group_mgmt_cmd cmd = {}; 1825a07a8f37SSara Sharon 1826a07a8f37SSara Sharon memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 1827a07a8f37SSara Sharon WLAN_MEMBERSHIP_LEN); 1828a07a8f37SSara Sharon memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 1829a07a8f37SSara Sharon WLAN_USER_POSITION_LEN); 1830a07a8f37SSara Sharon 1831a07a8f37SSara Sharon return iwl_mvm_send_cmd_pdu(mvm, 1832a07a8f37SSara Sharon WIDE_ID(DATA_PATH_GROUP, 1833a07a8f37SSara Sharon UPDATE_MU_GROUPS_CMD), 1834a07a8f37SSara Sharon 0, sizeof(cmd), &cmd); 1835a07a8f37SSara Sharon } 1836a07a8f37SSara Sharon 1837f92659a1SSara Sharon static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 1838f92659a1SSara Sharon struct ieee80211_vif *vif) 1839f92659a1SSara Sharon { 1840f92659a1SSara Sharon if (vif->mu_mimo_owner) { 1841f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = _data; 1842f92659a1SSara Sharon 1843f92659a1SSara Sharon /* 1844f92659a1SSara Sharon * MU-MIMO Group Id action frame is little endian. We treat 1845f92659a1SSara Sharon * the data received from firmware as if it came from the 1846f92659a1SSara Sharon * action frame, so no conversion is needed. 1847f92659a1SSara Sharon */ 1848f92659a1SSara Sharon ieee80211_update_mu_groups(vif, 1849f92659a1SSara Sharon (u8 *)¬if->membership_status, 1850f92659a1SSara Sharon (u8 *)¬if->user_position); 1851f92659a1SSara Sharon } 1852f92659a1SSara Sharon } 1853f92659a1SSara Sharon 1854f92659a1SSara Sharon void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 1855f92659a1SSara Sharon struct iwl_rx_cmd_buffer *rxb) 1856f92659a1SSara Sharon { 1857f92659a1SSara Sharon struct iwl_rx_packet *pkt = rxb_addr(rxb); 1858f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 1859f92659a1SSara Sharon 1860f92659a1SSara Sharon ieee80211_iterate_active_interfaces_atomic( 1861f92659a1SSara Sharon mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1862f92659a1SSara Sharon iwl_mvm_mu_mimo_iface_iterator, notif); 1863f92659a1SSara Sharon } 1864f92659a1SSara Sharon 1865e705c121SKalle Valo static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 1866e705c121SKalle Valo struct ieee80211_vif *vif, 1867e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 1868e705c121SKalle Valo u32 changes) 1869e705c121SKalle Valo { 1870e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1871e705c121SKalle Valo int ret; 1872e705c121SKalle Valo 1873e705c121SKalle Valo /* 1874e705c121SKalle Valo * Re-calculate the tsf id, as the master-slave relations depend on the 1875e705c121SKalle Valo * beacon interval, which was not known when the station interface was 1876e705c121SKalle Valo * added. 1877e705c121SKalle Valo */ 1878e705c121SKalle Valo if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc) 1879e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 1880e705c121SKalle Valo 188103098268SAviya Erenfeld if (changes & BSS_CHANGED_ASSOC && !bss_conf->assoc && 188203098268SAviya Erenfeld mvmvif->lqm_active) 188303098268SAviya Erenfeld iwl_mvm_send_lqm_cmd(vif, LQM_CMD_OPERATION_STOP_MEASUREMENT, 188403098268SAviya Erenfeld 0, 0); 188503098268SAviya Erenfeld 1886e705c121SKalle Valo /* 1887e705c121SKalle Valo * If we're not associated yet, take the (new) BSSID before associating 1888e705c121SKalle Valo * so the firmware knows. If we're already associated, then use the old 1889e705c121SKalle Valo * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 1890e705c121SKalle Valo * branch for disassociation below. 1891e705c121SKalle Valo */ 1892e705c121SKalle Valo if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 1893e705c121SKalle Valo memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); 1894e705c121SKalle Valo 1895e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid); 1896e705c121SKalle Valo if (ret) 1897e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 1898e705c121SKalle Valo 1899e705c121SKalle Valo /* after sending it once, adopt mac80211 data */ 1900e705c121SKalle Valo memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); 1901e705c121SKalle Valo mvmvif->associated = bss_conf->assoc; 1902e705c121SKalle Valo 1903e705c121SKalle Valo if (changes & BSS_CHANGED_ASSOC) { 1904e705c121SKalle Valo if (bss_conf->assoc) { 1905e705c121SKalle Valo /* clear statistics to get clean beacon counter */ 1906e705c121SKalle Valo iwl_mvm_request_statistics(mvm, true); 1907e705c121SKalle Valo memset(&mvmvif->beacon_stats, 0, 1908e705c121SKalle Valo sizeof(mvmvif->beacon_stats)); 1909e705c121SKalle Valo 1910e705c121SKalle Valo /* add quota for this interface */ 1911e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 1912e705c121SKalle Valo if (ret) { 1913e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 1914e705c121SKalle Valo return; 1915e705c121SKalle Valo } 1916e705c121SKalle Valo 1917e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 1918e705c121SKalle Valo &mvm->status)) { 1919e705c121SKalle Valo /* 1920e705c121SKalle Valo * If we're restarting then the firmware will 1921e705c121SKalle Valo * obviously have lost synchronisation with 1922e705c121SKalle Valo * the AP. It will attempt to synchronise by 1923e705c121SKalle Valo * itself, but we can make it more reliable by 1924e705c121SKalle Valo * scheduling a session protection time event. 1925e705c121SKalle Valo * 1926e705c121SKalle Valo * The firmware needs to receive a beacon to 1927e705c121SKalle Valo * catch up with synchronisation, use 110% of 1928e705c121SKalle Valo * the beacon interval. 1929e705c121SKalle Valo * 1930e705c121SKalle Valo * Set a large maximum delay to allow for more 1931e705c121SKalle Valo * than a single interface. 1932e705c121SKalle Valo */ 1933e705c121SKalle Valo u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 1934e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, dur, dur, 1935e705c121SKalle Valo 5 * dur, false); 1936e705c121SKalle Valo } 1937e705c121SKalle Valo 1938e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 1939e705c121SKalle Valo iwl_mvm_power_vif_assoc(mvm, vif); 1940e705c121SKalle Valo if (vif->p2p) { 1941e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT); 1942e705c121SKalle Valo iwl_mvm_update_smps(mvm, vif, 1943e705c121SKalle Valo IWL_MVM_SMPS_REQ_PROT, 1944e705c121SKalle Valo IEEE80211_SMPS_DYNAMIC); 1945e705c121SKalle Valo } 19460ae98812SSara Sharon } else if (mvmvif->ap_sta_id != IWL_MVM_INVALID_STA) { 1947e705c121SKalle Valo /* 1948e705c121SKalle Valo * If update fails - SF might be running in associated 1949e705c121SKalle Valo * mode while disassociated - which is forbidden. 1950e705c121SKalle Valo */ 1951e705c121SKalle Valo WARN_ONCE(iwl_mvm_sf_update(mvm, vif, false), 1952e705c121SKalle Valo "Failed to update SF upon disassociation\n"); 1953e705c121SKalle Valo 19546b28f978SEmmanuel Grumbach /* 19556b28f978SEmmanuel Grumbach * If we get an assert during the connection (after the 19566b28f978SEmmanuel Grumbach * station has been added, but before the vif is set 19576b28f978SEmmanuel Grumbach * to associated), mac80211 will re-add the station and 19586b28f978SEmmanuel Grumbach * then configure the vif. Since the vif is not 19596b28f978SEmmanuel Grumbach * associated, we would remove the station here and 19606b28f978SEmmanuel Grumbach * this would fail the recovery. 19616b28f978SEmmanuel Grumbach */ 19626b28f978SEmmanuel Grumbach if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 19636b28f978SEmmanuel Grumbach &mvm->status)) { 19646b28f978SEmmanuel Grumbach /* 19656b28f978SEmmanuel Grumbach * Remove AP station now that 19666b28f978SEmmanuel Grumbach * the MAC is unassoc 19676b28f978SEmmanuel Grumbach */ 19686b28f978SEmmanuel Grumbach ret = iwl_mvm_rm_sta_id(mvm, vif, 19696b28f978SEmmanuel Grumbach mvmvif->ap_sta_id); 1970e705c121SKalle Valo if (ret) 19716b28f978SEmmanuel Grumbach IWL_ERR(mvm, 19726b28f978SEmmanuel Grumbach "failed to remove AP station\n"); 1973e705c121SKalle Valo 1974e705c121SKalle Valo if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id) 19756b28f978SEmmanuel Grumbach mvm->d0i3_ap_sta_id = 19766b28f978SEmmanuel Grumbach IWL_MVM_INVALID_STA; 19770ae98812SSara Sharon mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; 19786b28f978SEmmanuel Grumbach } 19796b28f978SEmmanuel Grumbach 1980e705c121SKalle Valo /* remove quota for this interface */ 1981e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 1982e705c121SKalle Valo if (ret) 1983e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 1984e705c121SKalle Valo 1985e705c121SKalle Valo if (vif->p2p) 1986e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT); 1987e705c121SKalle Valo 1988e705c121SKalle Valo /* this will take the cleared BSSID from bss_conf */ 1989e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1990e705c121SKalle Valo if (ret) 1991e705c121SKalle Valo IWL_ERR(mvm, 1992e705c121SKalle Valo "failed to update MAC %pM (clear after unassoc)\n", 1993e705c121SKalle Valo vif->addr); 1994e705c121SKalle Valo } 1995e705c121SKalle Valo 1996a07a8f37SSara Sharon /* 1997a07a8f37SSara Sharon * The firmware tracks the MU-MIMO group on its own. 1998f92659a1SSara Sharon * However, on HW restart we should restore this data. 1999a07a8f37SSara Sharon */ 2000a07a8f37SSara Sharon if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2001f92659a1SSara Sharon (changes & BSS_CHANGED_MU_GROUPS) && vif->mu_mimo_owner) { 2002a07a8f37SSara Sharon ret = iwl_mvm_update_mu_groups(mvm, vif); 2003a07a8f37SSara Sharon if (ret) 2004a07a8f37SSara Sharon IWL_ERR(mvm, 2005a07a8f37SSara Sharon "failed to update VHT MU_MIMO groups\n"); 2006a07a8f37SSara Sharon } 2007a07a8f37SSara Sharon 2008e705c121SKalle Valo iwl_mvm_recalc_multicast(mvm); 200934672bb3SEliad Peller iwl_mvm_configure_bcast_filter(mvm); 2010e705c121SKalle Valo 2011e705c121SKalle Valo /* reset rssi values */ 2012e705c121SKalle Valo mvmvif->bf_data.ave_beacon_signal = 0; 2013e705c121SKalle Valo 2014e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2015e705c121SKalle Valo iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2016e705c121SKalle Valo IEEE80211_SMPS_AUTOMATIC); 2017355346baSAvraham Stern if (fw_has_capa(&mvm->fw->ucode_capa, 2018355346baSAvraham Stern IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2019355346baSAvraham Stern iwl_mvm_config_scan(mvm); 2020b45242c9SAvraham Stern } 2021b45242c9SAvraham Stern 2022b45242c9SAvraham Stern if (changes & BSS_CHANGED_BEACON_INFO) { 2023e705c121SKalle Valo /* 2024b45242c9SAvraham Stern * We received a beacon from the associated AP so 2025e705c121SKalle Valo * remove the session protection. 2026e705c121SKalle Valo */ 20273edfb5f4SAvraham Stern iwl_mvm_stop_session_protection(mvm, vif); 2028e705c121SKalle Valo 2029e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 2030e705c121SKalle Valo WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 2031e705c121SKalle Valo } 2032e705c121SKalle Valo 2033283115fbSAvri Altman if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2034283115fbSAvri Altman /* 2035283115fbSAvri Altman * Send power command on every beacon change, 2036283115fbSAvri Altman * because we may have not enabled beacon abort yet. 2037283115fbSAvri Altman */ 2038283115fbSAvri Altman BSS_CHANGED_BEACON_INFO)) { 2039e705c121SKalle Valo ret = iwl_mvm_power_update_mac(mvm); 2040e705c121SKalle Valo if (ret) 2041e705c121SKalle Valo IWL_ERR(mvm, "failed to update power mode\n"); 2042e705c121SKalle Valo } 2043e705c121SKalle Valo 2044e705c121SKalle Valo if (changes & BSS_CHANGED_TXPOWER) { 2045e705c121SKalle Valo IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", 2046e705c121SKalle Valo bss_conf->txpower); 2047e705c121SKalle Valo iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 2048e705c121SKalle Valo } 2049e705c121SKalle Valo 2050e705c121SKalle Valo if (changes & BSS_CHANGED_CQM) { 2051e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n"); 2052e705c121SKalle Valo /* reset cqm events tracking */ 2053e705c121SKalle Valo mvmvif->bf_data.last_cqm_event = 0; 2054e705c121SKalle Valo if (mvmvif->bf_data.bf_enabled) { 2055e705c121SKalle Valo ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 2056e705c121SKalle Valo if (ret) 2057e705c121SKalle Valo IWL_ERR(mvm, 2058e705c121SKalle Valo "failed to update CQM thresholds\n"); 2059e705c121SKalle Valo } 2060e705c121SKalle Valo } 2061e705c121SKalle Valo 2062e705c121SKalle Valo if (changes & BSS_CHANGED_ARP_FILTER) { 2063e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "arp filter changed\n"); 206434672bb3SEliad Peller iwl_mvm_configure_bcast_filter(mvm); 2065e705c121SKalle Valo } 2066e705c121SKalle Valo } 2067e705c121SKalle Valo 2068e705c121SKalle Valo static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 2069e705c121SKalle Valo struct ieee80211_vif *vif) 2070e705c121SKalle Valo { 2071e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2072e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2073e705c121SKalle Valo int ret; 2074e705c121SKalle Valo 2075e705c121SKalle Valo /* 2076e705c121SKalle Valo * iwl_mvm_mac_ctxt_add() might read directly from the device 2077e705c121SKalle Valo * (the system time), so make sure it is available. 2078e705c121SKalle Valo */ 2079e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP); 2080e705c121SKalle Valo if (ret) 2081e705c121SKalle Valo return ret; 2082e705c121SKalle Valo 2083e705c121SKalle Valo mutex_lock(&mvm->mutex); 2084e705c121SKalle Valo 2085e705c121SKalle Valo /* Send the beacon template */ 2086e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif); 2087e705c121SKalle Valo if (ret) 2088e705c121SKalle Valo goto out_unlock; 2089e705c121SKalle Valo 2090e705c121SKalle Valo /* 2091e705c121SKalle Valo * Re-calculate the tsf id, as the master-slave relations depend on the 2092e705c121SKalle Valo * beacon interval, which was not known when the AP interface was added. 2093e705c121SKalle Valo */ 2094e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) 2095e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2096e705c121SKalle Valo 2097e705c121SKalle Valo mvmvif->ap_assoc_sta_count = 0; 2098e705c121SKalle Valo 2099e705c121SKalle Valo /* Add the mac context */ 2100e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 2101e705c121SKalle Valo if (ret) 2102e705c121SKalle Valo goto out_unlock; 2103e705c121SKalle Valo 2104e705c121SKalle Valo /* Perform the binding */ 2105e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 2106e705c121SKalle Valo if (ret) 2107e705c121SKalle Valo goto out_remove; 2108e705c121SKalle Valo 2109ced19f26SSara Sharon ret = iwl_mvm_add_mcast_sta(mvm, vif); 2110ced19f26SSara Sharon if (ret) 2111ced19f26SSara Sharon goto out_unbind; 2112ced19f26SSara Sharon 2113e705c121SKalle Valo /* Send the bcast station. At this stage the TBTT and DTIM time events 2114e705c121SKalle Valo * are added and applied to the scheduler */ 2115e705c121SKalle Valo ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 2116e705c121SKalle Valo if (ret) 2117ced19f26SSara Sharon goto out_rm_mcast; 211826d6c16bSSara Sharon 2119e705c121SKalle Valo /* must be set before quota calculations */ 2120e705c121SKalle Valo mvmvif->ap_ibss_active = true; 2121e705c121SKalle Valo 2122e705c121SKalle Valo /* power updated needs to be done before quotas */ 2123e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2124e705c121SKalle Valo 2125e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2126e705c121SKalle Valo if (ret) 2127e705c121SKalle Valo goto out_quota_failed; 2128e705c121SKalle Valo 2129e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2130e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2131e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2132e705c121SKalle Valo 2133e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS); 2134e705c121SKalle Valo 2135e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2136e705c121SKalle Valo 2137e705c121SKalle Valo /* we don't support TDLS during DCM */ 2138e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 2139e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 2140e705c121SKalle Valo 2141e705c121SKalle Valo goto out_unlock; 2142e705c121SKalle Valo 2143e705c121SKalle Valo out_quota_failed: 2144e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2145e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2146e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2147ced19f26SSara Sharon out_rm_mcast: 2148ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2149e705c121SKalle Valo out_unbind: 2150e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2151e705c121SKalle Valo out_remove: 2152e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2153e705c121SKalle Valo out_unlock: 2154e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2155e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP); 2156e705c121SKalle Valo return ret; 2157e705c121SKalle Valo } 2158e705c121SKalle Valo 2159e705c121SKalle Valo static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 2160e705c121SKalle Valo struct ieee80211_vif *vif) 2161e705c121SKalle Valo { 2162e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2163e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2164e705c121SKalle Valo 2165e705c121SKalle Valo iwl_mvm_prepare_mac_removal(mvm, vif); 2166e705c121SKalle Valo 2167e705c121SKalle Valo mutex_lock(&mvm->mutex); 2168e705c121SKalle Valo 2169e705c121SKalle Valo /* Handle AP stop while in CSA */ 2170e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_vif) == vif) { 2171e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, 2172e705c121SKalle Valo &mvmvif->time_event_data); 2173e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_vif, NULL); 2174e705c121SKalle Valo mvmvif->csa_countdown = false; 2175e705c121SKalle Valo } 2176e705c121SKalle Valo 2177e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 2178e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 2179e705c121SKalle Valo mvm->csa_tx_block_bcn_timeout = 0; 2180e705c121SKalle Valo } 2181e705c121SKalle Valo 2182e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2183e705c121SKalle Valo mvm->ap_last_beacon_gp2 = 0; 2184e705c121SKalle Valo 2185e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2186e705c121SKalle Valo 2187e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS); 2188e705c121SKalle Valo 2189e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2190e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2191e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2192e705c121SKalle Valo 2193e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 2194ced19f26SSara Sharon 2195ced19f26SSara Sharon /* 2196ced19f26SSara Sharon * This is not very nice, but the simplest: 2197ced19f26SSara Sharon * For older FWs removing the mcast sta before the bcast station may 2198ced19f26SSara Sharon * cause assert 0x2b00. 2199ced19f26SSara Sharon * This is fixed in later FW (which will stop beaconing when removing 2200ced19f26SSara Sharon * bcast station). 2201ced19f26SSara Sharon * So make the order of removal depend on the TLV 2202ced19f26SSara Sharon */ 2203ced19f26SSara Sharon if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 220426d6c16bSSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2205e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2206ced19f26SSara Sharon if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 2207ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2208e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2209e705c121SKalle Valo 2210e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2211e705c121SKalle Valo 2212e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2213e705c121SKalle Valo 2214e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2215e705c121SKalle Valo } 2216e705c121SKalle Valo 2217e705c121SKalle Valo static void 2218e705c121SKalle Valo iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 2219e705c121SKalle Valo struct ieee80211_vif *vif, 2220e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2221e705c121SKalle Valo u32 changes) 2222e705c121SKalle Valo { 2223e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2224e705c121SKalle Valo 2225e705c121SKalle Valo /* Changes will be applied when the AP/IBSS is started */ 2226e705c121SKalle Valo if (!mvmvif->ap_ibss_active) 2227e705c121SKalle Valo return; 2228e705c121SKalle Valo 2229e705c121SKalle Valo if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 2230e705c121SKalle Valo BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 2231e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 2232e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2233e705c121SKalle Valo 2234e705c121SKalle Valo /* Need to send a new beacon template to the FW */ 2235e705c121SKalle Valo if (changes & BSS_CHANGED_BEACON && 2236e705c121SKalle Valo iwl_mvm_mac_ctxt_beacon_changed(mvm, vif)) 2237e705c121SKalle Valo IWL_WARN(mvm, "Failed updating beacon data\n"); 2238e705c121SKalle Valo 2239e705c121SKalle Valo if (changes & BSS_CHANGED_TXPOWER) { 2240e705c121SKalle Valo IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", 2241e705c121SKalle Valo bss_conf->txpower); 2242e705c121SKalle Valo iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 2243e705c121SKalle Valo } 2244e705c121SKalle Valo } 2245e705c121SKalle Valo 2246e705c121SKalle Valo static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 2247e705c121SKalle Valo struct ieee80211_vif *vif, 2248e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2249e705c121SKalle Valo u32 changes) 2250e705c121SKalle Valo { 2251e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2252e705c121SKalle Valo 2253e705c121SKalle Valo /* 2254e705c121SKalle Valo * iwl_mvm_bss_info_changed_station() might call 2255e705c121SKalle Valo * iwl_mvm_protect_session(), which reads directly from 2256e705c121SKalle Valo * the device (the system time), so make sure it is available. 2257e705c121SKalle Valo */ 2258e705c121SKalle Valo if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED)) 2259e705c121SKalle Valo return; 2260e705c121SKalle Valo 2261e705c121SKalle Valo mutex_lock(&mvm->mutex); 2262e705c121SKalle Valo 2263e705c121SKalle Valo if (changes & BSS_CHANGED_IDLE && !bss_conf->idle) 2264e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 2265e705c121SKalle Valo 2266e705c121SKalle Valo switch (vif->type) { 2267e705c121SKalle Valo case NL80211_IFTYPE_STATION: 2268e705c121SKalle Valo iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); 2269e705c121SKalle Valo break; 2270e705c121SKalle Valo case NL80211_IFTYPE_AP: 2271e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 2272e705c121SKalle Valo iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); 2273e705c121SKalle Valo break; 227491b08c2dSAviya Erenfeld case NL80211_IFTYPE_MONITOR: 227591b08c2dSAviya Erenfeld if (changes & BSS_CHANGED_MU_GROUPS) 227691b08c2dSAviya Erenfeld iwl_mvm_update_mu_groups(mvm, vif); 227791b08c2dSAviya Erenfeld break; 2278e705c121SKalle Valo default: 2279e705c121SKalle Valo /* shouldn't happen */ 2280e705c121SKalle Valo WARN_ON_ONCE(1); 2281e705c121SKalle Valo } 2282e705c121SKalle Valo 2283e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2284e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED); 2285e705c121SKalle Valo } 2286e705c121SKalle Valo 2287e705c121SKalle Valo static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, 2288e705c121SKalle Valo struct ieee80211_vif *vif, 2289e705c121SKalle Valo struct ieee80211_scan_request *hw_req) 2290e705c121SKalle Valo { 2291e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2292e705c121SKalle Valo int ret; 2293e705c121SKalle Valo 2294e705c121SKalle Valo if (hw_req->req.n_channels == 0 || 2295e705c121SKalle Valo hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 2296e705c121SKalle Valo return -EINVAL; 2297e705c121SKalle Valo 2298e705c121SKalle Valo mutex_lock(&mvm->mutex); 2299e705c121SKalle Valo ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 2300e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2301e705c121SKalle Valo 2302e705c121SKalle Valo return ret; 2303e705c121SKalle Valo } 2304e705c121SKalle Valo 2305e705c121SKalle Valo static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 2306e705c121SKalle Valo struct ieee80211_vif *vif) 2307e705c121SKalle Valo { 2308e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2309e705c121SKalle Valo 2310e705c121SKalle Valo mutex_lock(&mvm->mutex); 2311e705c121SKalle Valo 2312e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 2313e705c121SKalle Valo * us to stop a hw_scan when it's already stopped. This can 2314e705c121SKalle Valo * happen, for instance, if we stopped the scan ourselves, 2315e705c121SKalle Valo * called ieee80211_scan_completed() and the userspace called 2316e705c121SKalle Valo * cancel scan scan before ieee80211_scan_work() could run. 2317e705c121SKalle Valo * To handle that, simply return if the scan is not running. 2318e705c121SKalle Valo */ 2319e705c121SKalle Valo if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 2320e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 2321e705c121SKalle Valo 2322e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2323e705c121SKalle Valo } 2324e705c121SKalle Valo 2325e705c121SKalle Valo static void 2326e705c121SKalle Valo iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, 2327e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 2328e705c121SKalle Valo int num_frames, 2329e705c121SKalle Valo enum ieee80211_frame_release_type reason, 2330e705c121SKalle Valo bool more_data) 2331e705c121SKalle Valo { 2332e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2333e705c121SKalle Valo 2334e705c121SKalle Valo /* Called when we need to transmit (a) frame(s) from mac80211 */ 2335e705c121SKalle Valo 2336e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 2337e705c121SKalle Valo tids, more_data, false); 2338e705c121SKalle Valo } 2339e705c121SKalle Valo 2340e705c121SKalle Valo static void 2341e705c121SKalle Valo iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, 2342e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 2343e705c121SKalle Valo int num_frames, 2344e705c121SKalle Valo enum ieee80211_frame_release_type reason, 2345e705c121SKalle Valo bool more_data) 2346e705c121SKalle Valo { 2347e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2348e705c121SKalle Valo 23499a3fcf91SSara Sharon /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ 2350e705c121SKalle Valo 2351e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 2352e705c121SKalle Valo tids, more_data, true); 2353e705c121SKalle Valo } 2354e705c121SKalle Valo 235565e25482SJohannes Berg static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 2356e705c121SKalle Valo enum sta_notify_cmd cmd, 2357e705c121SKalle Valo struct ieee80211_sta *sta) 2358e705c121SKalle Valo { 2359e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2360e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 2361e705c121SKalle Valo unsigned long txqs = 0, tids = 0; 2362e705c121SKalle Valo int tid; 2363e705c121SKalle Valo 2364960f864bSJohannes Berg /* 2365960f864bSJohannes Berg * If we have TVQM then we get too high queue numbers - luckily 2366960f864bSJohannes Berg * we really shouldn't get here with that because such hardware 2367960f864bSJohannes Berg * should have firmware supporting buffer station offload. 2368960f864bSJohannes Berg */ 2369960f864bSJohannes Berg if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 2370960f864bSJohannes Berg return; 2371960f864bSJohannes Berg 2372e705c121SKalle Valo spin_lock_bh(&mvmsta->lock); 2373e705c121SKalle Valo for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 2374e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 2375e705c121SKalle Valo 23766862fceeSSara Sharon if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 23771c17627bSSara Sharon continue; 23781c17627bSSara Sharon 2379e705c121SKalle Valo __set_bit(tid_data->txq_id, &txqs); 2380e705c121SKalle Valo 2381dd32162dSLiad Kaufman if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 2382e705c121SKalle Valo continue; 2383e705c121SKalle Valo 2384e705c121SKalle Valo __set_bit(tid, &tids); 2385e705c121SKalle Valo } 2386e705c121SKalle Valo 2387e705c121SKalle Valo switch (cmd) { 2388e705c121SKalle Valo case STA_NOTIFY_SLEEP: 2389e705c121SKalle Valo for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 2390e705c121SKalle Valo ieee80211_sta_set_buffered(sta, tid, true); 2391e705c121SKalle Valo 2392e705c121SKalle Valo if (txqs) 2393e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 2394e705c121SKalle Valo /* 2395e705c121SKalle Valo * The fw updates the STA to be asleep. Tx packets on the Tx 2396e705c121SKalle Valo * queues to this station will not be transmitted. The fw will 2397e705c121SKalle Valo * send a Tx response with TX_STATUS_FAIL_DEST_PS. 2398e705c121SKalle Valo */ 2399e705c121SKalle Valo break; 2400e705c121SKalle Valo case STA_NOTIFY_AWAKE: 24010ae98812SSara Sharon if (WARN_ON(mvmsta->sta_id == IWL_MVM_INVALID_STA)) 2402e705c121SKalle Valo break; 2403e705c121SKalle Valo 2404e705c121SKalle Valo if (txqs) 2405e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 2406e705c121SKalle Valo iwl_mvm_sta_modify_ps_wake(mvm, sta); 2407e705c121SKalle Valo break; 2408e705c121SKalle Valo default: 2409e705c121SKalle Valo break; 2410e705c121SKalle Valo } 2411e705c121SKalle Valo spin_unlock_bh(&mvmsta->lock); 2412e705c121SKalle Valo } 2413e705c121SKalle Valo 241465e25482SJohannes Berg static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 241565e25482SJohannes Berg struct ieee80211_vif *vif, 241665e25482SJohannes Berg enum sta_notify_cmd cmd, 241765e25482SJohannes Berg struct ieee80211_sta *sta) 241865e25482SJohannes Berg { 241965e25482SJohannes Berg __iwl_mvm_mac_sta_notify(hw, cmd, sta); 242065e25482SJohannes Berg } 242165e25482SJohannes Berg 242265e25482SJohannes Berg void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 242365e25482SJohannes Berg { 242465e25482SJohannes Berg struct iwl_rx_packet *pkt = rxb_addr(rxb); 242565e25482SJohannes Berg struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 242665e25482SJohannes Berg struct ieee80211_sta *sta; 242765e25482SJohannes Berg struct iwl_mvm_sta *mvmsta; 242865e25482SJohannes Berg bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 242965e25482SJohannes Berg 243065e25482SJohannes Berg if (WARN_ON(notif->sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))) 243165e25482SJohannes Berg return; 243265e25482SJohannes Berg 243365e25482SJohannes Berg rcu_read_lock(); 2434a9560029SSara Sharon sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 243565e25482SJohannes Berg if (WARN_ON(IS_ERR_OR_NULL(sta))) { 243665e25482SJohannes Berg rcu_read_unlock(); 243765e25482SJohannes Berg return; 243865e25482SJohannes Berg } 243965e25482SJohannes Berg 244065e25482SJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 244165e25482SJohannes Berg 244265e25482SJohannes Berg if (!mvmsta->vif || 244365e25482SJohannes Berg mvmsta->vif->type != NL80211_IFTYPE_AP) { 244465e25482SJohannes Berg rcu_read_unlock(); 244565e25482SJohannes Berg return; 244665e25482SJohannes Berg } 244765e25482SJohannes Berg 244865e25482SJohannes Berg if (mvmsta->sleeping != sleeping) { 244965e25482SJohannes Berg mvmsta->sleeping = sleeping; 245065e25482SJohannes Berg __iwl_mvm_mac_sta_notify(mvm->hw, 245165e25482SJohannes Berg sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 245265e25482SJohannes Berg sta); 245365e25482SJohannes Berg ieee80211_sta_ps_transition(sta, sleeping); 245465e25482SJohannes Berg } 245565e25482SJohannes Berg 245665e25482SJohannes Berg if (sleeping) { 245765e25482SJohannes Berg switch (notif->type) { 245865e25482SJohannes Berg case IWL_MVM_PM_EVENT_AWAKE: 245965e25482SJohannes Berg case IWL_MVM_PM_EVENT_ASLEEP: 246065e25482SJohannes Berg break; 246165e25482SJohannes Berg case IWL_MVM_PM_EVENT_UAPSD: 246265e25482SJohannes Berg ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 246365e25482SJohannes Berg break; 246465e25482SJohannes Berg case IWL_MVM_PM_EVENT_PS_POLL: 246565e25482SJohannes Berg ieee80211_sta_pspoll(sta); 246665e25482SJohannes Berg break; 246765e25482SJohannes Berg default: 246865e25482SJohannes Berg break; 246965e25482SJohannes Berg } 247065e25482SJohannes Berg } 247165e25482SJohannes Berg 247265e25482SJohannes Berg rcu_read_unlock(); 247365e25482SJohannes Berg } 247465e25482SJohannes Berg 2475e705c121SKalle Valo static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 2476e705c121SKalle Valo struct ieee80211_vif *vif, 2477e705c121SKalle Valo struct ieee80211_sta *sta) 2478e705c121SKalle Valo { 2479e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2480e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 2481e705c121SKalle Valo 2482e705c121SKalle Valo /* 2483e705c121SKalle Valo * This is called before mac80211 does RCU synchronisation, 2484e705c121SKalle Valo * so here we already invalidate our internal RCU-protected 2485e705c121SKalle Valo * station pointer. The rest of the code will thus no longer 2486e705c121SKalle Valo * be able to find the station this way, and we don't rely 2487e705c121SKalle Valo * on further RCU synchronisation after the sta_state() 2488e705c121SKalle Valo * callback deleted the station. 2489e705c121SKalle Valo */ 2490e705c121SKalle Valo mutex_lock(&mvm->mutex); 2491e705c121SKalle Valo if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id])) 2492e705c121SKalle Valo rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], 2493e705c121SKalle Valo ERR_PTR(-ENOENT)); 2494e705c121SKalle Valo 2495e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2496e705c121SKalle Valo } 2497e705c121SKalle Valo 2498e705c121SKalle Valo static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2499e705c121SKalle Valo const u8 *bssid) 2500e705c121SKalle Valo { 2501e705c121SKalle Valo if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 2502e705c121SKalle Valo return; 2503e705c121SKalle Valo 2504c5241b0cSAvraham Stern if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 2505cee5a882SAvri Altman vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 2506cee5a882SAvri Altman return; 2507cee5a882SAvri Altman } 2508cee5a882SAvri Altman 250911dee0b4SEmmanuel Grumbach if (!vif->p2p && 251011dee0b4SEmmanuel Grumbach (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 2511e705c121SKalle Valo vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 2512e705c121SKalle Valo return; 2513e705c121SKalle Valo } 2514e705c121SKalle Valo 2515e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 2516e705c121SKalle Valo } 2517e705c121SKalle Valo 25181e8f1329SGolan Ben-Ami static void 25191e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 25201e8f1329SGolan Ben-Ami struct ieee80211_vif *vif, u8 *peer_addr, 25211e8f1329SGolan Ben-Ami enum nl80211_tdls_operation action) 25221e8f1329SGolan Ben-Ami { 25231e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tlv *trig; 25241e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tdls *tdls_trig; 25251e8f1329SGolan Ben-Ami 25261e8f1329SGolan Ben-Ami if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_TDLS)) 25271e8f1329SGolan Ben-Ami return; 25281e8f1329SGolan Ben-Ami 25291e8f1329SGolan Ben-Ami trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TDLS); 25301e8f1329SGolan Ben-Ami tdls_trig = (void *)trig->data; 25317174beb6SJohannes Berg if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt, 25327174beb6SJohannes Berg ieee80211_vif_to_wdev(vif), trig)) 25331e8f1329SGolan Ben-Ami return; 25341e8f1329SGolan Ben-Ami 25351e8f1329SGolan Ben-Ami if (!(tdls_trig->action_bitmap & BIT(action))) 25361e8f1329SGolan Ben-Ami return; 25371e8f1329SGolan Ben-Ami 25381e8f1329SGolan Ben-Ami if (tdls_trig->peer_mode && 25391e8f1329SGolan Ben-Ami memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 25401e8f1329SGolan Ben-Ami return; 25411e8f1329SGolan Ben-Ami 25427174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 25431e8f1329SGolan Ben-Ami "TDLS event occurred, peer %pM, action %d", 25441e8f1329SGolan Ben-Ami peer_addr, action); 25451e8f1329SGolan Ben-Ami } 25461e8f1329SGolan Ben-Ami 254724afba76SLiad Kaufman static void iwl_mvm_purge_deferred_tx_frames(struct iwl_mvm *mvm, 254824afba76SLiad Kaufman struct iwl_mvm_sta *mvm_sta) 254924afba76SLiad Kaufman { 255024afba76SLiad Kaufman struct iwl_mvm_tid_data *tid_data; 255124afba76SLiad Kaufman struct sk_buff *skb; 255224afba76SLiad Kaufman int i; 255324afba76SLiad Kaufman 255424afba76SLiad Kaufman spin_lock_bh(&mvm_sta->lock); 255524afba76SLiad Kaufman for (i = 0; i <= IWL_MAX_TID_COUNT; i++) { 255624afba76SLiad Kaufman tid_data = &mvm_sta->tid_data[i]; 25577e39a00dSAvraham Stern 25587e39a00dSAvraham Stern while ((skb = __skb_dequeue(&tid_data->deferred_tx_frames))) { 25597e39a00dSAvraham Stern struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 25607e39a00dSAvraham Stern 25617e39a00dSAvraham Stern /* 25627e39a00dSAvraham Stern * The first deferred frame should've stopped the MAC 25637e39a00dSAvraham Stern * queues, so we should never get a second deferred 25647e39a00dSAvraham Stern * frame for the RA/TID. 25657e39a00dSAvraham Stern */ 25667e39a00dSAvraham Stern iwl_mvm_start_mac_queues(mvm, info->hw_queue); 256724afba76SLiad Kaufman ieee80211_free_txskb(mvm->hw, skb); 256824afba76SLiad Kaufman } 25697e39a00dSAvraham Stern } 257024afba76SLiad Kaufman spin_unlock_bh(&mvm_sta->lock); 257124afba76SLiad Kaufman } 257224afba76SLiad Kaufman 2573e705c121SKalle Valo static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 2574e705c121SKalle Valo struct ieee80211_vif *vif, 2575e705c121SKalle Valo struct ieee80211_sta *sta, 2576e705c121SKalle Valo enum ieee80211_sta_state old_state, 2577e705c121SKalle Valo enum ieee80211_sta_state new_state) 2578e705c121SKalle Valo { 2579e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2580e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 25816ea29ce5SJohannes Berg struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 2582e705c121SKalle Valo int ret; 2583e705c121SKalle Valo 2584e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 2585e705c121SKalle Valo sta->addr, old_state, new_state); 2586e705c121SKalle Valo 2587e705c121SKalle Valo /* this would be a mac80211 bug ... but don't crash */ 2588e705c121SKalle Valo if (WARN_ON_ONCE(!mvmvif->phy_ctxt)) 2589e705c121SKalle Valo return -EINVAL; 2590e705c121SKalle Valo 259124afba76SLiad Kaufman /* 259224afba76SLiad Kaufman * If we are in a STA removal flow and in DQA mode: 259324afba76SLiad Kaufman * 259424afba76SLiad Kaufman * This is after the sync_rcu part, so the queues have already been 259524afba76SLiad Kaufman * flushed. No more TXs on their way in mac80211's path, and no more in 259624afba76SLiad Kaufman * the queues. 259724afba76SLiad Kaufman * Also, we won't be getting any new TX frames for this station. 259824afba76SLiad Kaufman * What we might have are deferred TX frames that need to be taken care 259924afba76SLiad Kaufman * of. 260024afba76SLiad Kaufman * 260124afba76SLiad Kaufman * Drop any still-queued deferred-frame before removing the STA, and 260224afba76SLiad Kaufman * make sure the worker is no longer handling frames for this STA. 260324afba76SLiad Kaufman */ 260424afba76SLiad Kaufman if (old_state == IEEE80211_STA_NONE && 2605c8f54701SJohannes Berg new_state == IEEE80211_STA_NOTEXIST) { 260624afba76SLiad Kaufman iwl_mvm_purge_deferred_tx_frames(mvm, mvm_sta); 260724afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 260824afba76SLiad Kaufman 260924afba76SLiad Kaufman /* 261024afba76SLiad Kaufman * No need to make sure deferred TX indication is off since the 261124afba76SLiad Kaufman * worker will already remove it if it was on 261224afba76SLiad Kaufman */ 261324afba76SLiad Kaufman } 261424afba76SLiad Kaufman 2615e705c121SKalle Valo mutex_lock(&mvm->mutex); 26166ea29ce5SJohannes Berg /* track whether or not the station is associated */ 26176ea29ce5SJohannes Berg mvm_sta->associated = new_state >= IEEE80211_STA_ASSOC; 26186ea29ce5SJohannes Berg 2619e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 2620e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 2621e705c121SKalle Valo /* 2622e705c121SKalle Valo * Firmware bug - it'll crash if the beacon interval is less 2623e705c121SKalle Valo * than 16. We can't avoid connecting at all, so refuse the 2624e705c121SKalle Valo * station state change, this will cause mac80211 to abandon 2625e705c121SKalle Valo * attempts to connect to this AP, and eventually wpa_s will 2626e705c121SKalle Valo * blacklist the AP... 2627e705c121SKalle Valo */ 2628e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && 2629e705c121SKalle Valo vif->bss_conf.beacon_int < 16) { 2630e705c121SKalle Valo IWL_ERR(mvm, 2631e705c121SKalle Valo "AP %pM beacon interval is %d, refusing due to firmware bug!\n", 2632e705c121SKalle Valo sta->addr, vif->bss_conf.beacon_int); 2633e705c121SKalle Valo ret = -EINVAL; 2634e705c121SKalle Valo goto out_unlock; 2635e705c121SKalle Valo } 2636e705c121SKalle Valo 2637e705c121SKalle Valo if (sta->tdls && 2638e705c121SKalle Valo (vif->p2p || 2639e705c121SKalle Valo iwl_mvm_tdls_sta_count(mvm, NULL) == 2640e705c121SKalle Valo IWL_MVM_TDLS_STA_COUNT || 2641e705c121SKalle Valo iwl_mvm_phy_ctx_count(mvm) > 1)) { 2642e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 2643e705c121SKalle Valo ret = -EBUSY; 2644e705c121SKalle Valo goto out_unlock; 2645e705c121SKalle Valo } 2646e705c121SKalle Valo 2647e705c121SKalle Valo ret = iwl_mvm_add_sta(mvm, vif, sta); 26481e8f1329SGolan Ben-Ami if (sta->tdls && ret == 0) { 2649e705c121SKalle Valo iwl_mvm_recalc_tdls_state(mvm, vif, true); 26501e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 26511e8f1329SGolan Ben-Ami NL80211_TDLS_SETUP); 26521e8f1329SGolan Ben-Ami } 2653e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 2654e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 2655e705c121SKalle Valo /* 2656e705c121SKalle Valo * EBS may be disabled due to previous failures reported by FW. 2657e705c121SKalle Valo * Reset EBS status here assuming environment has been changed. 2658e705c121SKalle Valo */ 2659e705c121SKalle Valo mvm->last_ebs_successful = true; 2660e705c121SKalle Valo iwl_mvm_check_uapsd(mvm, vif, sta->addr); 2661e705c121SKalle Valo ret = 0; 2662e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 2663e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 26648be30c13SAyala Beker if (vif->type == NL80211_IFTYPE_AP) { 26658be30c13SAyala Beker mvmvif->ap_assoc_sta_count++; 26668be30c13SAyala Beker iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 26678be30c13SAyala Beker } 2668735a0045SGoodstein, Mordechay 2669735a0045SGoodstein, Mordechay iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 2670e705c121SKalle Valo true); 2671735a0045SGoodstein, Mordechay ret = iwl_mvm_update_sta(mvm, vif, sta); 2672e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 2673e705c121SKalle Valo new_state == IEEE80211_STA_AUTHORIZED) { 2674e705c121SKalle Valo 2675e705c121SKalle Valo /* we don't support TDLS during DCM */ 2676e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 2677e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 2678e705c121SKalle Valo 26791e8f1329SGolan Ben-Ami if (sta->tdls) 26801e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 26811e8f1329SGolan Ben-Ami NL80211_TDLS_ENABLE_LINK); 26821e8f1329SGolan Ben-Ami 2683e705c121SKalle Valo /* enable beacon filtering */ 2684e705c121SKalle Valo WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 2685e705c121SKalle Valo ret = 0; 2686e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTHORIZED && 2687e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 2688e705c121SKalle Valo /* disable beacon filtering */ 2689e705c121SKalle Valo WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif, 0)); 2690e705c121SKalle Valo ret = 0; 2691e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 2692e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 26938be30c13SAyala Beker if (vif->type == NL80211_IFTYPE_AP) { 26948be30c13SAyala Beker mvmvif->ap_assoc_sta_count--; 26958be30c13SAyala Beker iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 26968be30c13SAyala Beker } 2697e705c121SKalle Valo ret = 0; 2698e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 2699e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 2700e705c121SKalle Valo ret = 0; 2701e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 2702e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) { 2703e705c121SKalle Valo ret = iwl_mvm_rm_sta(mvm, vif, sta); 27041e8f1329SGolan Ben-Ami if (sta->tdls) { 2705e705c121SKalle Valo iwl_mvm_recalc_tdls_state(mvm, vif, false); 27061e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 27071e8f1329SGolan Ben-Ami NL80211_TDLS_DISABLE_LINK); 27081e8f1329SGolan Ben-Ami } 2709e705c121SKalle Valo } else { 2710e705c121SKalle Valo ret = -EIO; 2711e705c121SKalle Valo } 2712e705c121SKalle Valo out_unlock: 2713e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2714e705c121SKalle Valo 2715e705c121SKalle Valo if (sta->tdls && ret == 0) { 2716e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 2717e705c121SKalle Valo new_state == IEEE80211_STA_NONE) 2718e705c121SKalle Valo ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); 2719e705c121SKalle Valo else if (old_state == IEEE80211_STA_NONE && 2720e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) 2721e705c121SKalle Valo ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); 2722e705c121SKalle Valo } 2723e705c121SKalle Valo 2724e705c121SKalle Valo return ret; 2725e705c121SKalle Valo } 2726e705c121SKalle Valo 2727e705c121SKalle Valo static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 2728e705c121SKalle Valo { 2729e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2730e705c121SKalle Valo 2731e705c121SKalle Valo mvm->rts_threshold = value; 2732e705c121SKalle Valo 2733e705c121SKalle Valo return 0; 2734e705c121SKalle Valo } 2735e705c121SKalle Valo 2736e705c121SKalle Valo static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, 2737e705c121SKalle Valo struct ieee80211_vif *vif, 2738e705c121SKalle Valo struct ieee80211_sta *sta, u32 changed) 2739e705c121SKalle Valo { 2740e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2741e705c121SKalle Valo 2742e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && 2743e705c121SKalle Valo changed & IEEE80211_RC_NSS_CHANGED) 2744e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 2745e705c121SKalle Valo } 2746e705c121SKalle Valo 2747e705c121SKalle Valo static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 2748e705c121SKalle Valo struct ieee80211_vif *vif, u16 ac, 2749e705c121SKalle Valo const struct ieee80211_tx_queue_params *params) 2750e705c121SKalle Valo { 2751e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2752e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2753e705c121SKalle Valo 2754e705c121SKalle Valo mvmvif->queue_params[ac] = *params; 2755e705c121SKalle Valo 2756e705c121SKalle Valo /* 2757e705c121SKalle Valo * No need to update right away, we'll get BSS_CHANGED_QOS 2758e705c121SKalle Valo * The exception is P2P_DEVICE interface which needs immediate update. 2759e705c121SKalle Valo */ 2760e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 2761e705c121SKalle Valo int ret; 2762e705c121SKalle Valo 2763e705c121SKalle Valo mutex_lock(&mvm->mutex); 2764e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2765e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2766e705c121SKalle Valo return ret; 2767e705c121SKalle Valo } 2768e705c121SKalle Valo return 0; 2769e705c121SKalle Valo } 2770e705c121SKalle Valo 2771e705c121SKalle Valo static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 2772e705c121SKalle Valo struct ieee80211_vif *vif) 2773e705c121SKalle Valo { 2774e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 27757c70fee5SSara Sharon u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 27767c70fee5SSara Sharon u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 2777e705c121SKalle Valo 2778e705c121SKalle Valo if (WARN_ON_ONCE(vif->bss_conf.assoc)) 2779e705c121SKalle Valo return; 2780e705c121SKalle Valo 2781e705c121SKalle Valo /* 2782e705c121SKalle Valo * iwl_mvm_protect_session() reads directly from the device 2783e705c121SKalle Valo * (the system time), so make sure it is available. 2784e705c121SKalle Valo */ 2785e705c121SKalle Valo if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX)) 2786e705c121SKalle Valo return; 2787e705c121SKalle Valo 2788e705c121SKalle Valo mutex_lock(&mvm->mutex); 2789e705c121SKalle Valo /* Try really hard to protect the session and hear a beacon */ 2790e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false); 2791e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2792e705c121SKalle Valo 2793e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX); 2794e705c121SKalle Valo } 2795e705c121SKalle Valo 2796e705c121SKalle Valo static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 2797e705c121SKalle Valo struct ieee80211_vif *vif, 2798e705c121SKalle Valo struct cfg80211_sched_scan_request *req, 2799e705c121SKalle Valo struct ieee80211_scan_ies *ies) 2800e705c121SKalle Valo { 2801e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2802e705c121SKalle Valo 2803e705c121SKalle Valo int ret; 2804e705c121SKalle Valo 2805e705c121SKalle Valo mutex_lock(&mvm->mutex); 2806e705c121SKalle Valo 2807e705c121SKalle Valo if (!vif->bss_conf.idle) { 2808e705c121SKalle Valo ret = -EBUSY; 2809e705c121SKalle Valo goto out; 2810e705c121SKalle Valo } 2811e705c121SKalle Valo 2812e705c121SKalle Valo ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 2813e705c121SKalle Valo 2814e705c121SKalle Valo out: 2815e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2816e705c121SKalle Valo return ret; 2817e705c121SKalle Valo } 2818e705c121SKalle Valo 2819e705c121SKalle Valo static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 2820e705c121SKalle Valo struct ieee80211_vif *vif) 2821e705c121SKalle Valo { 2822e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2823e705c121SKalle Valo int ret; 2824e705c121SKalle Valo 2825e705c121SKalle Valo mutex_lock(&mvm->mutex); 2826e705c121SKalle Valo 2827e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 2828e705c121SKalle Valo * us to stop a sched_scan when it's already stopped. This 2829e705c121SKalle Valo * can happen, for instance, if we stopped the scan ourselves, 2830e705c121SKalle Valo * called ieee80211_sched_scan_stopped() and the userspace called 2831e705c121SKalle Valo * stop sched scan scan before ieee80211_sched_scan_stopped_work() 2832e705c121SKalle Valo * could run. To handle this, simply return if the scan is 2833e705c121SKalle Valo * not running. 2834e705c121SKalle Valo */ 2835e705c121SKalle Valo if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 2836e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2837e705c121SKalle Valo return 0; 2838e705c121SKalle Valo } 2839e705c121SKalle Valo 2840e705c121SKalle Valo ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 2841e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2842e705c121SKalle Valo iwl_mvm_wait_for_async_handlers(mvm); 2843e705c121SKalle Valo 2844e705c121SKalle Valo return ret; 2845e705c121SKalle Valo } 2846e705c121SKalle Valo 2847e705c121SKalle Valo static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 2848e705c121SKalle Valo enum set_key_cmd cmd, 2849e705c121SKalle Valo struct ieee80211_vif *vif, 2850e705c121SKalle Valo struct ieee80211_sta *sta, 2851e705c121SKalle Valo struct ieee80211_key_conf *key) 2852e705c121SKalle Valo { 2853e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2854f5e28eacSJohannes Berg struct iwl_mvm_sta *mvmsta; 2855f5e28eacSJohannes Berg struct iwl_mvm_key_pn *ptk_pn; 2856f5e28eacSJohannes Berg int keyidx = key->keyidx; 2857e705c121SKalle Valo int ret; 28584615fd15SEmmanuel Grumbach u8 key_offset; 2859e705c121SKalle Valo 28603b37f4c9SJohannes Berg if (iwlwifi_mod_params.swcrypto) { 2861e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n"); 2862e705c121SKalle Valo return -EOPNOTSUPP; 2863e705c121SKalle Valo } 2864e705c121SKalle Valo 2865e705c121SKalle Valo switch (key->cipher) { 2866e705c121SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 2867e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 28681ad4f639SEliad Peller key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 2869e705c121SKalle Valo break; 2870e705c121SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 28712a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP: 28722a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP_256: 287385aeb58cSDavid Spinadel if (!iwl_mvm_has_new_tx_api(mvm)) 2874e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 2875e705c121SKalle Valo break; 2876e705c121SKalle Valo case WLAN_CIPHER_SUITE_AES_CMAC: 28778e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_128: 28788e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_256: 2879e705c121SKalle Valo WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 2880e705c121SKalle Valo break; 2881e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 2882e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 2883e705c121SKalle Valo /* For non-client mode, only use WEP keys for TX as we probably 2884e705c121SKalle Valo * don't have a station yet anyway and would then have to keep 2885e705c121SKalle Valo * track of the keys, linking them to each of the clients/peers 2886e705c121SKalle Valo * as they appear. For now, don't do that, for performance WEP 2887e705c121SKalle Valo * offload doesn't really matter much, but we need it for some 2888e705c121SKalle Valo * other offload features in client mode. 2889e705c121SKalle Valo */ 2890e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION) 2891e705c121SKalle Valo return 0; 2892e705c121SKalle Valo break; 2893e705c121SKalle Valo default: 2894e705c121SKalle Valo /* currently FW supports only one optional cipher scheme */ 2895e705c121SKalle Valo if (hw->n_cipher_schemes && 2896e705c121SKalle Valo hw->cipher_schemes->cipher == key->cipher) 2897e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 2898e705c121SKalle Valo else 2899e705c121SKalle Valo return -EOPNOTSUPP; 2900e705c121SKalle Valo } 2901e705c121SKalle Valo 2902e705c121SKalle Valo mutex_lock(&mvm->mutex); 2903e705c121SKalle Valo 2904e705c121SKalle Valo switch (cmd) { 2905e705c121SKalle Valo case SET_KEY: 2906e705c121SKalle Valo if ((vif->type == NL80211_IFTYPE_ADHOC || 2907e705c121SKalle Valo vif->type == NL80211_IFTYPE_AP) && !sta) { 2908e705c121SKalle Valo /* 2909e705c121SKalle Valo * GTK on AP interface is a TX-only key, return 0; 2910e705c121SKalle Valo * on IBSS they're per-station and because we're lazy 2911e705c121SKalle Valo * we don't support them for RX, so do the same. 29128e160ab8SAyala Beker * CMAC/GMAC in AP/IBSS modes must be done in software. 2913e705c121SKalle Valo */ 29148e160ab8SAyala Beker if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 29158e160ab8SAyala Beker key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 29168e160ab8SAyala Beker key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256) 291781279c49SJohannes Berg ret = -EOPNOTSUPP; 291881279c49SJohannes Berg else 2919e705c121SKalle Valo ret = 0; 292085aeb58cSDavid Spinadel 292185aeb58cSDavid Spinadel if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 292285aeb58cSDavid Spinadel key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 292385aeb58cSDavid Spinadel !iwl_mvm_has_new_tx_api(mvm)) { 2924e705c121SKalle Valo key->hw_key_idx = STA_KEY_IDX_INVALID; 2925e705c121SKalle Valo break; 2926e705c121SKalle Valo } 292785aeb58cSDavid Spinadel } 2928e705c121SKalle Valo 2929e705c121SKalle Valo /* During FW restart, in order to restore the state as it was, 2930e705c121SKalle Valo * don't try to reprogram keys we previously failed for. 2931e705c121SKalle Valo */ 2932e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2933e705c121SKalle Valo key->hw_key_idx == STA_KEY_IDX_INVALID) { 2934e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, 2935e705c121SKalle Valo "skip invalid idx key programming during restart\n"); 2936e705c121SKalle Valo ret = 0; 2937e705c121SKalle Valo break; 2938e705c121SKalle Valo } 2939e705c121SKalle Valo 2940f5e28eacSJohannes Berg if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2941f5e28eacSJohannes Berg sta && iwl_mvm_has_new_rx_api(mvm) && 2942f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 2943f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 29442a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 29452a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 2946f5e28eacSJohannes Berg struct ieee80211_key_seq seq; 2947f5e28eacSJohannes Berg int tid, q; 2948f5e28eacSJohannes Berg 2949f5e28eacSJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 2950f5e28eacSJohannes Berg WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 2951f5e28eacSJohannes Berg ptk_pn = kzalloc(sizeof(*ptk_pn) + 2952f5e28eacSJohannes Berg mvm->trans->num_rx_queues * 2953f5e28eacSJohannes Berg sizeof(ptk_pn->q[0]), 2954f5e28eacSJohannes Berg GFP_KERNEL); 2955f5e28eacSJohannes Berg if (!ptk_pn) { 2956f5e28eacSJohannes Berg ret = -ENOMEM; 2957f5e28eacSJohannes Berg break; 2958f5e28eacSJohannes Berg } 2959f5e28eacSJohannes Berg 2960f5e28eacSJohannes Berg for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 2961f5e28eacSJohannes Berg ieee80211_get_key_rx_seq(key, tid, &seq); 2962f5e28eacSJohannes Berg for (q = 0; q < mvm->trans->num_rx_queues; q++) 2963f5e28eacSJohannes Berg memcpy(ptk_pn->q[q].pn[tid], 2964f5e28eacSJohannes Berg seq.ccmp.pn, 2965f5e28eacSJohannes Berg IEEE80211_CCMP_PN_LEN); 2966f5e28eacSJohannes Berg } 2967f5e28eacSJohannes Berg 2968f5e28eacSJohannes Berg rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 2969f5e28eacSJohannes Berg } 2970f5e28eacSJohannes Berg 29714615fd15SEmmanuel Grumbach /* in HW restart reuse the index, otherwise request a new one */ 29724615fd15SEmmanuel Grumbach if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 29734615fd15SEmmanuel Grumbach key_offset = key->hw_key_idx; 29744615fd15SEmmanuel Grumbach else 29754615fd15SEmmanuel Grumbach key_offset = STA_KEY_IDX_INVALID; 29764615fd15SEmmanuel Grumbach 2977e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n"); 29784615fd15SEmmanuel Grumbach ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 2979e705c121SKalle Valo if (ret) { 2980e705c121SKalle Valo IWL_WARN(mvm, "set key failed\n"); 2981e705c121SKalle Valo /* 2982e705c121SKalle Valo * can't add key for RX, but we don't need it 2983e705c121SKalle Valo * in the device for TX so still return 0 2984e705c121SKalle Valo */ 2985e705c121SKalle Valo key->hw_key_idx = STA_KEY_IDX_INVALID; 2986e705c121SKalle Valo ret = 0; 2987e705c121SKalle Valo } 2988e705c121SKalle Valo 2989e705c121SKalle Valo break; 2990e705c121SKalle Valo case DISABLE_KEY: 2991e705c121SKalle Valo if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 2992e705c121SKalle Valo ret = 0; 2993e705c121SKalle Valo break; 2994e705c121SKalle Valo } 2995e705c121SKalle Valo 2996f5e28eacSJohannes Berg if (sta && iwl_mvm_has_new_rx_api(mvm) && 2997f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 2998f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 29992a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 30002a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 3001f5e28eacSJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 3002f5e28eacSJohannes Berg ptk_pn = rcu_dereference_protected( 3003f5e28eacSJohannes Berg mvmsta->ptk_pn[keyidx], 3004f5e28eacSJohannes Berg lockdep_is_held(&mvm->mutex)); 3005f5e28eacSJohannes Berg RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 3006f5e28eacSJohannes Berg if (ptk_pn) 3007f5e28eacSJohannes Berg kfree_rcu(ptk_pn, rcu_head); 3008f5e28eacSJohannes Berg } 3009f5e28eacSJohannes Berg 3010e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 3011e705c121SKalle Valo ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 3012e705c121SKalle Valo break; 3013e705c121SKalle Valo default: 3014e705c121SKalle Valo ret = -EINVAL; 3015e705c121SKalle Valo } 3016e705c121SKalle Valo 3017e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3018e705c121SKalle Valo return ret; 3019e705c121SKalle Valo } 3020e705c121SKalle Valo 3021e705c121SKalle Valo static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 3022e705c121SKalle Valo struct ieee80211_vif *vif, 3023e705c121SKalle Valo struct ieee80211_key_conf *keyconf, 3024e705c121SKalle Valo struct ieee80211_sta *sta, 3025e705c121SKalle Valo u32 iv32, u16 *phase1key) 3026e705c121SKalle Valo { 3027e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3028e705c121SKalle Valo 3029e705c121SKalle Valo if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 3030e705c121SKalle Valo return; 3031e705c121SKalle Valo 3032e705c121SKalle Valo iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 3033e705c121SKalle Valo } 3034e705c121SKalle Valo 3035e705c121SKalle Valo 3036e705c121SKalle Valo static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 3037e705c121SKalle Valo struct iwl_rx_packet *pkt, void *data) 3038e705c121SKalle Valo { 3039e705c121SKalle Valo struct iwl_mvm *mvm = 3040e705c121SKalle Valo container_of(notif_wait, struct iwl_mvm, notif_wait); 3041e705c121SKalle Valo struct iwl_hs20_roc_res *resp; 3042e705c121SKalle Valo int resp_len = iwl_rx_packet_payload_len(pkt); 3043e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = data; 3044e705c121SKalle Valo 3045e705c121SKalle Valo if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 3046e705c121SKalle Valo return true; 3047e705c121SKalle Valo 3048e705c121SKalle Valo if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 3049e705c121SKalle Valo IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 3050e705c121SKalle Valo return true; 3051e705c121SKalle Valo } 3052e705c121SKalle Valo 3053e705c121SKalle Valo resp = (void *)pkt->data; 3054e705c121SKalle Valo 3055e705c121SKalle Valo IWL_DEBUG_TE(mvm, 3056e705c121SKalle Valo "Aux ROC: Recieved response from ucode: status=%d uid=%d\n", 3057e705c121SKalle Valo resp->status, resp->event_unique_id); 3058e705c121SKalle Valo 3059e705c121SKalle Valo te_data->uid = le32_to_cpu(resp->event_unique_id); 3060e705c121SKalle Valo IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 3061e705c121SKalle Valo te_data->uid); 3062e705c121SKalle Valo 3063e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3064e705c121SKalle Valo list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 3065e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3066e705c121SKalle Valo 3067e705c121SKalle Valo return true; 3068e705c121SKalle Valo } 3069e705c121SKalle Valo 3070dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100) 3071dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200) 3072dc28e12fSMatti Gottlieb #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600) 3073dc28e12fSMatti Gottlieb #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20) 3074dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10) 3075e705c121SKalle Valo static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 3076e705c121SKalle Valo struct ieee80211_channel *channel, 3077e705c121SKalle Valo struct ieee80211_vif *vif, 3078e705c121SKalle Valo int duration) 3079e705c121SKalle Valo { 3080e705c121SKalle Valo int res, time_reg = DEVICE_SYSTEM_TIME_REG; 3081e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3082e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 3083e705c121SKalle Valo static const u16 time_event_response[] = { HOT_SPOT_CMD }; 3084e705c121SKalle Valo struct iwl_notification_wait wait_time_event; 3085dc28e12fSMatti Gottlieb u32 dtim_interval = vif->bss_conf.dtim_period * 3086dc28e12fSMatti Gottlieb vif->bss_conf.beacon_int; 3087dc28e12fSMatti Gottlieb u32 req_dur, delay; 3088e705c121SKalle Valo struct iwl_hs20_roc_req aux_roc_req = { 3089e705c121SKalle Valo .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 3090e705c121SKalle Valo .id_and_color = 3091e705c121SKalle Valo cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 3092e705c121SKalle Valo .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 3093e705c121SKalle Valo /* Set the channel info data */ 309457fbcce3SJohannes Berg .channel_info.band = (channel->band == NL80211_BAND_2GHZ) ? 3095e705c121SKalle Valo PHY_BAND_24 : PHY_BAND_5, 3096e705c121SKalle Valo .channel_info.channel = channel->hw_value, 3097e705c121SKalle Valo .channel_info.width = PHY_VHT_CHANNEL_MODE20, 3098e705c121SKalle Valo /* Set the time and duration */ 3099e705c121SKalle Valo .apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)), 3100e705c121SKalle Valo }; 3101e705c121SKalle Valo 3102dc28e12fSMatti Gottlieb delay = AUX_ROC_MIN_DELAY; 3103dc28e12fSMatti Gottlieb req_dur = MSEC_TO_TU(duration); 3104dc28e12fSMatti Gottlieb 3105dc28e12fSMatti Gottlieb /* 3106dc28e12fSMatti Gottlieb * If we are associated we want the delay time to be at least one 3107dc28e12fSMatti Gottlieb * dtim interval so that the FW can wait until after the DTIM and 3108dc28e12fSMatti Gottlieb * then start the time event, this will potentially allow us to 3109dc28e12fSMatti Gottlieb * remain off-channel for the max duration. 3110dc28e12fSMatti Gottlieb * Since we want to use almost a whole dtim interval we would also 3111dc28e12fSMatti Gottlieb * like the delay to be for 2-3 dtim intervals, in case there are 3112dc28e12fSMatti Gottlieb * other time events with higher priority. 3113dc28e12fSMatti Gottlieb */ 3114dc28e12fSMatti Gottlieb if (vif->bss_conf.assoc) { 3115dc28e12fSMatti Gottlieb delay = min_t(u32, dtim_interval * 3, AUX_ROC_MAX_DELAY); 3116dc28e12fSMatti Gottlieb /* We cannot remain off-channel longer than the DTIM interval */ 3117dc28e12fSMatti Gottlieb if (dtim_interval <= req_dur) { 3118dc28e12fSMatti Gottlieb req_dur = dtim_interval - AUX_ROC_SAFETY_BUFFER; 3119dc28e12fSMatti Gottlieb if (req_dur <= AUX_ROC_MIN_DURATION) 3120dc28e12fSMatti Gottlieb req_dur = dtim_interval - 3121dc28e12fSMatti Gottlieb AUX_ROC_MIN_SAFETY_BUFFER; 3122dc28e12fSMatti Gottlieb } 3123dc28e12fSMatti Gottlieb } 3124dc28e12fSMatti Gottlieb 3125dc28e12fSMatti Gottlieb aux_roc_req.duration = cpu_to_le32(req_dur); 3126dc28e12fSMatti Gottlieb aux_roc_req.apply_time_max_delay = cpu_to_le32(delay); 3127dc28e12fSMatti Gottlieb 3128dc28e12fSMatti Gottlieb IWL_DEBUG_TE(mvm, 3129dc28e12fSMatti Gottlieb "ROC: Requesting to remain on channel %u for %ums (requested = %ums, max_delay = %ums, dtim_interval = %ums)\n", 3130dc28e12fSMatti Gottlieb channel->hw_value, req_dur, duration, delay, 3131dc28e12fSMatti Gottlieb dtim_interval); 3132e705c121SKalle Valo /* Set the node address */ 3133e705c121SKalle Valo memcpy(aux_roc_req.node_addr, vif->addr, ETH_ALEN); 3134e705c121SKalle Valo 3135e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3136e705c121SKalle Valo 3137e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3138e705c121SKalle Valo 3139e705c121SKalle Valo if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 3140e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3141e705c121SKalle Valo return -EIO; 3142e705c121SKalle Valo } 3143e705c121SKalle Valo 3144e705c121SKalle Valo te_data->vif = vif; 3145e705c121SKalle Valo te_data->duration = duration; 3146e705c121SKalle Valo te_data->id = HOT_SPOT_CMD; 3147e705c121SKalle Valo 3148e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3149e705c121SKalle Valo 3150e705c121SKalle Valo /* 3151e705c121SKalle Valo * Use a notification wait, which really just processes the 3152e705c121SKalle Valo * command response and doesn't wait for anything, in order 3153e705c121SKalle Valo * to be able to process the response and get the UID inside 3154e705c121SKalle Valo * the RX path. Using CMD_WANT_SKB doesn't work because it 3155e705c121SKalle Valo * stores the buffer and then wakes up this thread, by which 3156e705c121SKalle Valo * time another notification (that the time event started) 3157e705c121SKalle Valo * might already be processed unsuccessfully. 3158e705c121SKalle Valo */ 3159e705c121SKalle Valo iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 3160e705c121SKalle Valo time_event_response, 3161e705c121SKalle Valo ARRAY_SIZE(time_event_response), 3162e705c121SKalle Valo iwl_mvm_rx_aux_roc, te_data); 3163e705c121SKalle Valo 3164e705c121SKalle Valo res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, sizeof(aux_roc_req), 3165e705c121SKalle Valo &aux_roc_req); 3166e705c121SKalle Valo 3167e705c121SKalle Valo if (res) { 3168e705c121SKalle Valo IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 3169e705c121SKalle Valo iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 3170e705c121SKalle Valo goto out_clear_te; 3171e705c121SKalle Valo } 3172e705c121SKalle Valo 3173e705c121SKalle Valo /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 3174e705c121SKalle Valo res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 3175e705c121SKalle Valo /* should never fail */ 3176e705c121SKalle Valo WARN_ON_ONCE(res); 3177e705c121SKalle Valo 3178e705c121SKalle Valo if (res) { 3179e705c121SKalle Valo out_clear_te: 3180e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3181e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, te_data); 3182e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3183e705c121SKalle Valo } 3184e705c121SKalle Valo 3185e705c121SKalle Valo return res; 3186e705c121SKalle Valo } 3187e705c121SKalle Valo 3188e705c121SKalle Valo static int iwl_mvm_roc(struct ieee80211_hw *hw, 3189e705c121SKalle Valo struct ieee80211_vif *vif, 3190e705c121SKalle Valo struct ieee80211_channel *channel, 3191e705c121SKalle Valo int duration, 3192e705c121SKalle Valo enum ieee80211_roc_type type) 3193e705c121SKalle Valo { 3194e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3195e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3196e705c121SKalle Valo struct cfg80211_chan_def chandef; 3197e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 3198e705c121SKalle Valo int ret, i; 3199e705c121SKalle Valo 3200e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 3201e705c121SKalle Valo duration, type); 3202e705c121SKalle Valo 3203e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 3204e705c121SKalle Valo 3205e705c121SKalle Valo mutex_lock(&mvm->mutex); 3206e705c121SKalle Valo 3207e705c121SKalle Valo switch (vif->type) { 3208e705c121SKalle Valo case NL80211_IFTYPE_STATION: 3209e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 3210e705c121SKalle Valo IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 3211e705c121SKalle Valo /* Use aux roc framework (HS20) */ 3212e705c121SKalle Valo ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, 3213e705c121SKalle Valo vif, duration); 3214e705c121SKalle Valo goto out_unlock; 3215e705c121SKalle Valo } 3216e705c121SKalle Valo IWL_ERR(mvm, "hotspot not supported\n"); 3217e705c121SKalle Valo ret = -EINVAL; 3218e705c121SKalle Valo goto out_unlock; 3219e705c121SKalle Valo case NL80211_IFTYPE_P2P_DEVICE: 3220e705c121SKalle Valo /* handle below */ 3221e705c121SKalle Valo break; 3222e705c121SKalle Valo default: 3223e705c121SKalle Valo IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type); 3224e705c121SKalle Valo ret = -EINVAL; 3225e705c121SKalle Valo goto out_unlock; 3226e705c121SKalle Valo } 3227e705c121SKalle Valo 3228e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) { 3229e705c121SKalle Valo phy_ctxt = &mvm->phy_ctxts[i]; 3230e705c121SKalle Valo if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt) 3231e705c121SKalle Valo continue; 3232e705c121SKalle Valo 3233e705c121SKalle Valo if (phy_ctxt->ref && channel == phy_ctxt->channel) { 3234e705c121SKalle Valo /* 3235e705c121SKalle Valo * Unbind the P2P_DEVICE from the current PHY context, 3236e705c121SKalle Valo * and if the PHY context is not used remove it. 3237e705c121SKalle Valo */ 3238e705c121SKalle Valo ret = iwl_mvm_binding_remove_vif(mvm, vif); 3239e705c121SKalle Valo if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 3240e705c121SKalle Valo goto out_unlock; 3241e705c121SKalle Valo 3242e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 3243e705c121SKalle Valo 3244e705c121SKalle Valo /* Bind the P2P_DEVICE to the current PHY Context */ 3245e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 3246e705c121SKalle Valo 3247e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 3248e705c121SKalle Valo if (WARN(ret, "Failed binding P2P_DEVICE\n")) 3249e705c121SKalle Valo goto out_unlock; 3250e705c121SKalle Valo 3251e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 3252e705c121SKalle Valo goto schedule_time_event; 3253e705c121SKalle Valo } 3254e705c121SKalle Valo } 3255e705c121SKalle Valo 3256e705c121SKalle Valo /* Need to update the PHY context only if the ROC channel changed */ 3257e705c121SKalle Valo if (channel == mvmvif->phy_ctxt->channel) 3258e705c121SKalle Valo goto schedule_time_event; 3259e705c121SKalle Valo 3260e705c121SKalle Valo cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 3261e705c121SKalle Valo 3262e705c121SKalle Valo /* 3263e705c121SKalle Valo * Change the PHY context configuration as it is currently referenced 3264e705c121SKalle Valo * only by the P2P Device MAC 3265e705c121SKalle Valo */ 3266e705c121SKalle Valo if (mvmvif->phy_ctxt->ref == 1) { 3267e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt, 3268e705c121SKalle Valo &chandef, 1, 1); 3269e705c121SKalle Valo if (ret) 3270e705c121SKalle Valo goto out_unlock; 3271e705c121SKalle Valo } else { 3272e705c121SKalle Valo /* 3273e705c121SKalle Valo * The PHY context is shared with other MACs. Need to remove the 3274e705c121SKalle Valo * P2P Device from the binding, allocate an new PHY context and 3275e705c121SKalle Valo * create a new binding 3276e705c121SKalle Valo */ 3277e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 3278e705c121SKalle Valo if (!phy_ctxt) { 3279e705c121SKalle Valo ret = -ENOSPC; 3280e705c121SKalle Valo goto out_unlock; 3281e705c121SKalle Valo } 3282e705c121SKalle Valo 3283e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef, 3284e705c121SKalle Valo 1, 1); 3285e705c121SKalle Valo if (ret) { 3286e705c121SKalle Valo IWL_ERR(mvm, "Failed to change PHY context\n"); 3287e705c121SKalle Valo goto out_unlock; 3288e705c121SKalle Valo } 3289e705c121SKalle Valo 3290e705c121SKalle Valo /* Unbind the P2P_DEVICE from the current PHY context */ 3291e705c121SKalle Valo ret = iwl_mvm_binding_remove_vif(mvm, vif); 3292e705c121SKalle Valo if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 3293e705c121SKalle Valo goto out_unlock; 3294e705c121SKalle Valo 3295e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 3296e705c121SKalle Valo 3297e705c121SKalle Valo /* Bind the P2P_DEVICE to the new allocated PHY context */ 3298e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 3299e705c121SKalle Valo 3300e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 3301e705c121SKalle Valo if (WARN(ret, "Failed binding P2P_DEVICE\n")) 3302e705c121SKalle Valo goto out_unlock; 3303e705c121SKalle Valo 3304e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 3305e705c121SKalle Valo } 3306e705c121SKalle Valo 3307e705c121SKalle Valo schedule_time_event: 3308e705c121SKalle Valo /* Schedule the time events */ 3309e705c121SKalle Valo ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 3310e705c121SKalle Valo 3311e705c121SKalle Valo out_unlock: 3312e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3313e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 3314e705c121SKalle Valo return ret; 3315e705c121SKalle Valo } 3316e705c121SKalle Valo 3317e705c121SKalle Valo static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw) 3318e705c121SKalle Valo { 3319e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3320e705c121SKalle Valo 3321e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter\n"); 3322e705c121SKalle Valo 3323e705c121SKalle Valo mutex_lock(&mvm->mutex); 3324e705c121SKalle Valo iwl_mvm_stop_roc(mvm); 3325e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3326e705c121SKalle Valo 3327e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 3328e705c121SKalle Valo return 0; 3329e705c121SKalle Valo } 3330e705c121SKalle Valo 3331e705c121SKalle Valo static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 3332e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3333e705c121SKalle Valo { 3334e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 3335e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 3336e705c121SKalle Valo int ret; 3337e705c121SKalle Valo 3338e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3339e705c121SKalle Valo 3340e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 3341e705c121SKalle Valo 3342e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 3343e705c121SKalle Valo if (!phy_ctxt) { 3344e705c121SKalle Valo ret = -ENOSPC; 3345e705c121SKalle Valo goto out; 3346e705c121SKalle Valo } 3347e705c121SKalle Valo 3348e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def, 3349e705c121SKalle Valo ctx->rx_chains_static, 3350e705c121SKalle Valo ctx->rx_chains_dynamic); 3351e705c121SKalle Valo if (ret) { 3352e705c121SKalle Valo IWL_ERR(mvm, "Failed to add PHY context\n"); 3353e705c121SKalle Valo goto out; 3354e705c121SKalle Valo } 3355e705c121SKalle Valo 3356e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt); 3357e705c121SKalle Valo *phy_ctxt_id = phy_ctxt->id; 3358e705c121SKalle Valo out: 3359e705c121SKalle Valo return ret; 3360e705c121SKalle Valo } 3361e705c121SKalle Valo 3362e705c121SKalle Valo static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 3363e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3364e705c121SKalle Valo { 3365e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3366e705c121SKalle Valo int ret; 3367e705c121SKalle Valo 3368e705c121SKalle Valo mutex_lock(&mvm->mutex); 3369e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, ctx); 3370e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3371e705c121SKalle Valo 3372e705c121SKalle Valo return ret; 3373e705c121SKalle Valo } 3374e705c121SKalle Valo 3375e705c121SKalle Valo static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 3376e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3377e705c121SKalle Valo { 3378e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 3379e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 3380e705c121SKalle Valo 3381e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3382e705c121SKalle Valo 3383e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 3384e705c121SKalle Valo } 3385e705c121SKalle Valo 3386e705c121SKalle Valo static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 3387e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3388e705c121SKalle Valo { 3389e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3390e705c121SKalle Valo 3391e705c121SKalle Valo mutex_lock(&mvm->mutex); 3392e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, ctx); 3393e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3394e705c121SKalle Valo } 3395e705c121SKalle Valo 3396e705c121SKalle Valo static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 3397e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 3398e705c121SKalle Valo u32 changed) 3399e705c121SKalle Valo { 3400e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3401e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 3402e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 3403e705c121SKalle Valo 3404e705c121SKalle Valo if (WARN_ONCE((phy_ctxt->ref > 1) && 3405e705c121SKalle Valo (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 3406e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 3407e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RADAR | 3408e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), 3409e705c121SKalle Valo "Cannot change PHY. Ref=%d, changed=0x%X\n", 3410e705c121SKalle Valo phy_ctxt->ref, changed)) 3411e705c121SKalle Valo return; 3412e705c121SKalle Valo 3413e705c121SKalle Valo mutex_lock(&mvm->mutex); 3414e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 3415e705c121SKalle Valo iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def, 3416e705c121SKalle Valo ctx->rx_chains_static, 3417e705c121SKalle Valo ctx->rx_chains_dynamic); 3418e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3419e705c121SKalle Valo } 3420e705c121SKalle Valo 3421e705c121SKalle Valo static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 3422e705c121SKalle Valo struct ieee80211_vif *vif, 3423e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 3424e705c121SKalle Valo bool switching_chanctx) 3425e705c121SKalle Valo { 3426e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 3427e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 3428e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3429e705c121SKalle Valo int ret; 3430e705c121SKalle Valo 3431e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3432e705c121SKalle Valo 3433e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 3434e705c121SKalle Valo 3435e705c121SKalle Valo switch (vif->type) { 3436e705c121SKalle Valo case NL80211_IFTYPE_AP: 3437e705c121SKalle Valo /* only needed if we're switching chanctx (i.e. during CSA) */ 3438e705c121SKalle Valo if (switching_chanctx) { 3439e705c121SKalle Valo mvmvif->ap_ibss_active = true; 3440e705c121SKalle Valo break; 3441e705c121SKalle Valo } 3442e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 3443e705c121SKalle Valo /* 3444e705c121SKalle Valo * The AP binding flow is handled as part of the start_ap flow 3445e705c121SKalle Valo * (in bss_info_changed), similarly for IBSS. 3446e705c121SKalle Valo */ 3447e705c121SKalle Valo ret = 0; 3448e705c121SKalle Valo goto out; 3449e705c121SKalle Valo case NL80211_IFTYPE_STATION: 3450e705c121SKalle Valo break; 3451e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 3452e705c121SKalle Valo /* always disable PS when a monitor interface is active */ 3453e705c121SKalle Valo mvmvif->ps_disabled = true; 3454e705c121SKalle Valo break; 3455e705c121SKalle Valo default: 3456e705c121SKalle Valo ret = -EINVAL; 3457e705c121SKalle Valo goto out; 3458e705c121SKalle Valo } 3459e705c121SKalle Valo 3460e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 3461e705c121SKalle Valo if (ret) 3462e705c121SKalle Valo goto out; 3463e705c121SKalle Valo 3464e705c121SKalle Valo /* 3465e705c121SKalle Valo * Power state must be updated before quotas, 3466e705c121SKalle Valo * otherwise fw will complain. 3467e705c121SKalle Valo */ 3468e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 3469e705c121SKalle Valo 3470e705c121SKalle Valo /* Setting the quota at this stage is only required for monitor 3471e705c121SKalle Valo * interfaces. For the other types, the bss_info changed flow 3472e705c121SKalle Valo * will handle quota settings. 3473e705c121SKalle Valo */ 3474e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_MONITOR) { 3475e705c121SKalle Valo mvmvif->monitor_active = true; 3476e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 3477e705c121SKalle Valo if (ret) 3478e705c121SKalle Valo goto out_remove_binding; 34790e39eb03SChaya Rachel Ivgi 34800e39eb03SChaya Rachel Ivgi ret = iwl_mvm_add_snif_sta(mvm, vif); 34810e39eb03SChaya Rachel Ivgi if (ret) 34820e39eb03SChaya Rachel Ivgi goto out_remove_binding; 34830e39eb03SChaya Rachel Ivgi 3484e705c121SKalle Valo } 3485e705c121SKalle Valo 3486e705c121SKalle Valo /* Handle binding during CSA */ 3487e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) { 3488e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 3489e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 3490e705c121SKalle Valo } 3491e705c121SKalle Valo 3492e705c121SKalle Valo if (switching_chanctx && vif->type == NL80211_IFTYPE_STATION) { 3493e705c121SKalle Valo u32 duration = 2 * vif->bss_conf.beacon_int; 3494e705c121SKalle Valo 3495e705c121SKalle Valo /* iwl_mvm_protect_session() reads directly from the 3496e705c121SKalle Valo * device (the system time), so make sure it is 3497e705c121SKalle Valo * available. 3498e705c121SKalle Valo */ 3499e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_CSA); 3500e705c121SKalle Valo if (ret) 3501e705c121SKalle Valo goto out_remove_binding; 3502e705c121SKalle Valo 3503e705c121SKalle Valo /* Protect the session to make sure we hear the first 3504e705c121SKalle Valo * beacon on the new channel. 3505e705c121SKalle Valo */ 3506e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, duration, duration, 3507e705c121SKalle Valo vif->bss_conf.beacon_int / 2, 3508e705c121SKalle Valo true); 3509e705c121SKalle Valo 3510e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_CSA); 3511e705c121SKalle Valo 3512e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 3513e705c121SKalle Valo } 3514e705c121SKalle Valo 3515e705c121SKalle Valo goto out; 3516e705c121SKalle Valo 3517e705c121SKalle Valo out_remove_binding: 3518e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 3519e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 3520e705c121SKalle Valo out: 3521e705c121SKalle Valo if (ret) 3522e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 3523e705c121SKalle Valo return ret; 3524e705c121SKalle Valo } 3525e705c121SKalle Valo static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 3526e705c121SKalle Valo struct ieee80211_vif *vif, 3527e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3528e705c121SKalle Valo { 3529e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3530e705c121SKalle Valo int ret; 3531e705c121SKalle Valo 3532e705c121SKalle Valo mutex_lock(&mvm->mutex); 3533e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false); 3534e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3535e705c121SKalle Valo 3536e705c121SKalle Valo return ret; 3537e705c121SKalle Valo } 3538e705c121SKalle Valo 3539e705c121SKalle Valo static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 3540e705c121SKalle Valo struct ieee80211_vif *vif, 3541e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 3542e705c121SKalle Valo bool switching_chanctx) 3543e705c121SKalle Valo { 3544e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3545e705c121SKalle Valo struct ieee80211_vif *disabled_vif = NULL; 3546e705c121SKalle Valo 3547e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3548e705c121SKalle Valo 3549e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data); 3550e705c121SKalle Valo 3551e705c121SKalle Valo switch (vif->type) { 3552e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 3553e705c121SKalle Valo goto out; 3554e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 3555e705c121SKalle Valo mvmvif->monitor_active = false; 3556e705c121SKalle Valo mvmvif->ps_disabled = false; 35570e39eb03SChaya Rachel Ivgi iwl_mvm_rm_snif_sta(mvm, vif); 3558e705c121SKalle Valo break; 3559e705c121SKalle Valo case NL80211_IFTYPE_AP: 3560e705c121SKalle Valo /* This part is triggered only during CSA */ 3561e705c121SKalle Valo if (!switching_chanctx || !mvmvif->ap_ibss_active) 3562e705c121SKalle Valo goto out; 3563e705c121SKalle Valo 3564e705c121SKalle Valo mvmvif->csa_countdown = false; 3565e705c121SKalle Valo 3566e705c121SKalle Valo /* Set CS bit on all the stations */ 3567e705c121SKalle Valo iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 3568e705c121SKalle Valo 3569e705c121SKalle Valo /* Save blocked iface, the timeout is set on the next beacon */ 3570e705c121SKalle Valo rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 3571e705c121SKalle Valo 3572e705c121SKalle Valo mvmvif->ap_ibss_active = false; 3573e705c121SKalle Valo break; 3574e705c121SKalle Valo case NL80211_IFTYPE_STATION: 3575e705c121SKalle Valo if (!switching_chanctx) 3576e705c121SKalle Valo break; 3577e705c121SKalle Valo 3578e705c121SKalle Valo disabled_vif = vif; 3579e705c121SKalle Valo 3580e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 3581e705c121SKalle Valo break; 3582e705c121SKalle Valo default: 3583e705c121SKalle Valo break; 3584e705c121SKalle Valo } 3585e705c121SKalle Valo 3586e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, disabled_vif); 3587e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 3588e705c121SKalle Valo 3589e705c121SKalle Valo out: 3590e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 3591e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 3592e705c121SKalle Valo } 3593e705c121SKalle Valo 3594e705c121SKalle Valo static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 3595e705c121SKalle Valo struct ieee80211_vif *vif, 3596e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3597e705c121SKalle Valo { 3598e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3599e705c121SKalle Valo 3600e705c121SKalle Valo mutex_lock(&mvm->mutex); 3601e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false); 3602e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3603e705c121SKalle Valo } 3604e705c121SKalle Valo 3605e705c121SKalle Valo static int 3606e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 3607e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs) 3608e705c121SKalle Valo { 3609e705c121SKalle Valo int ret; 3610e705c121SKalle Valo 3611e705c121SKalle Valo mutex_lock(&mvm->mutex); 3612e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); 3613e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 3614e705c121SKalle Valo 3615e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 3616e705c121SKalle Valo if (ret) { 3617e705c121SKalle Valo IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 3618e705c121SKalle Valo goto out_reassign; 3619e705c121SKalle Valo } 3620e705c121SKalle Valo 3621e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, 3622e705c121SKalle Valo true); 3623e705c121SKalle Valo if (ret) { 3624e705c121SKalle Valo IWL_ERR(mvm, 3625e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 3626e705c121SKalle Valo goto out_remove; 3627e705c121SKalle Valo } 3628e705c121SKalle Valo 3629e705c121SKalle Valo /* we don't support TDLS during DCM - can be caused by channel switch */ 3630e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 3631e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 3632e705c121SKalle Valo 3633e705c121SKalle Valo goto out; 3634e705c121SKalle Valo 3635e705c121SKalle Valo out_remove: 3636e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 3637e705c121SKalle Valo 3638e705c121SKalle Valo out_reassign: 3639e705c121SKalle Valo if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 3640e705c121SKalle Valo IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 3641e705c121SKalle Valo goto out_restart; 3642e705c121SKalle Valo } 3643e705c121SKalle Valo 3644e705c121SKalle Valo if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, 3645e705c121SKalle Valo true)) { 3646e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 3647e705c121SKalle Valo goto out_restart; 3648e705c121SKalle Valo } 3649e705c121SKalle Valo 3650e705c121SKalle Valo goto out; 3651e705c121SKalle Valo 3652e705c121SKalle Valo out_restart: 3653e705c121SKalle Valo /* things keep failing, better restart the hw */ 3654e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 3655e705c121SKalle Valo 3656e705c121SKalle Valo out: 3657e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3658e705c121SKalle Valo 3659e705c121SKalle Valo return ret; 3660e705c121SKalle Valo } 3661e705c121SKalle Valo 3662e705c121SKalle Valo static int 3663e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 3664e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs) 3665e705c121SKalle Valo { 3666e705c121SKalle Valo int ret; 3667e705c121SKalle Valo 3668e705c121SKalle Valo mutex_lock(&mvm->mutex); 3669e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); 3670e705c121SKalle Valo 3671e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, 3672e705c121SKalle Valo true); 3673e705c121SKalle Valo if (ret) { 3674e705c121SKalle Valo IWL_ERR(mvm, 3675e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 3676e705c121SKalle Valo goto out_reassign; 3677e705c121SKalle Valo } 3678e705c121SKalle Valo 3679e705c121SKalle Valo goto out; 3680e705c121SKalle Valo 3681e705c121SKalle Valo out_reassign: 3682e705c121SKalle Valo if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, 3683e705c121SKalle Valo true)) { 3684e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 3685e705c121SKalle Valo goto out_restart; 3686e705c121SKalle Valo } 3687e705c121SKalle Valo 3688e705c121SKalle Valo goto out; 3689e705c121SKalle Valo 3690e705c121SKalle Valo out_restart: 3691e705c121SKalle Valo /* things keep failing, better restart the hw */ 3692e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 3693e705c121SKalle Valo 3694e705c121SKalle Valo out: 3695e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3696e705c121SKalle Valo 3697e705c121SKalle Valo return ret; 3698e705c121SKalle Valo } 3699e705c121SKalle Valo 3700e705c121SKalle Valo static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 3701e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs, 3702e705c121SKalle Valo int n_vifs, 3703e705c121SKalle Valo enum ieee80211_chanctx_switch_mode mode) 3704e705c121SKalle Valo { 3705e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3706e705c121SKalle Valo int ret; 3707e705c121SKalle Valo 3708e705c121SKalle Valo /* we only support a single-vif right now */ 3709e705c121SKalle Valo if (n_vifs > 1) 3710e705c121SKalle Valo return -EOPNOTSUPP; 3711e705c121SKalle Valo 3712e705c121SKalle Valo switch (mode) { 3713e705c121SKalle Valo case CHANCTX_SWMODE_SWAP_CONTEXTS: 3714e705c121SKalle Valo ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs); 3715e705c121SKalle Valo break; 3716e705c121SKalle Valo case CHANCTX_SWMODE_REASSIGN_VIF: 3717e705c121SKalle Valo ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs); 3718e705c121SKalle Valo break; 3719e705c121SKalle Valo default: 3720e705c121SKalle Valo ret = -EOPNOTSUPP; 3721e705c121SKalle Valo break; 3722e705c121SKalle Valo } 3723e705c121SKalle Valo 3724e705c121SKalle Valo return ret; 3725e705c121SKalle Valo } 3726e705c121SKalle Valo 37272f0282dbSJohannes Berg static int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 37282f0282dbSJohannes Berg { 37292f0282dbSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 37302f0282dbSJohannes Berg 37312f0282dbSJohannes Berg return mvm->ibss_manager; 37322f0282dbSJohannes Berg } 37332f0282dbSJohannes Berg 3734e705c121SKalle Valo static int iwl_mvm_set_tim(struct ieee80211_hw *hw, 3735e705c121SKalle Valo struct ieee80211_sta *sta, 3736e705c121SKalle Valo bool set) 3737e705c121SKalle Valo { 3738e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3739e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3740e705c121SKalle Valo 3741e705c121SKalle Valo if (!mvm_sta || !mvm_sta->vif) { 3742e705c121SKalle Valo IWL_ERR(mvm, "Station is not associated to a vif\n"); 3743e705c121SKalle Valo return -EINVAL; 3744e705c121SKalle Valo } 3745e705c121SKalle Valo 3746e705c121SKalle Valo return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif); 3747e705c121SKalle Valo } 3748e705c121SKalle Valo 3749e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 3750e705c121SKalle Valo static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { 3751e705c121SKalle Valo [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, 3752e705c121SKalle Valo [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, 3753e705c121SKalle Valo [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, 3754e705c121SKalle Valo }; 3755e705c121SKalle Valo 3756e705c121SKalle Valo static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, 3757e705c121SKalle Valo struct ieee80211_vif *vif, 3758e705c121SKalle Valo void *data, int len) 3759e705c121SKalle Valo { 3760e705c121SKalle Valo struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; 3761e705c121SKalle Valo int err; 3762e705c121SKalle Valo u32 noa_duration; 3763e705c121SKalle Valo 3764fceb6435SJohannes Berg err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy, 3765fceb6435SJohannes Berg NULL); 3766e705c121SKalle Valo if (err) 3767e705c121SKalle Valo return err; 3768e705c121SKalle Valo 3769e705c121SKalle Valo if (!tb[IWL_MVM_TM_ATTR_CMD]) 3770e705c121SKalle Valo return -EINVAL; 3771e705c121SKalle Valo 3772e705c121SKalle Valo switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { 3773e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_NOA: 3774e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || 3775e705c121SKalle Valo !vif->bss_conf.enable_beacon || 3776e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) 3777e705c121SKalle Valo return -EINVAL; 3778e705c121SKalle Valo 3779e705c121SKalle Valo noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); 3780e705c121SKalle Valo if (noa_duration >= vif->bss_conf.beacon_int) 3781e705c121SKalle Valo return -EINVAL; 3782e705c121SKalle Valo 3783e705c121SKalle Valo mvm->noa_duration = noa_duration; 3784e705c121SKalle Valo mvm->noa_vif = vif; 3785e705c121SKalle Valo 3786e705c121SKalle Valo return iwl_mvm_update_quotas(mvm, false, NULL); 3787e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_BEACON_FILTER: 3788e705c121SKalle Valo /* must be associated client vif - ignore authorized */ 3789e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_STATION || 3790e705c121SKalle Valo !vif->bss_conf.assoc || !vif->bss_conf.dtim_period || 3791e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) 3792e705c121SKalle Valo return -EINVAL; 3793e705c121SKalle Valo 3794e705c121SKalle Valo if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) 3795e705c121SKalle Valo return iwl_mvm_enable_beacon_filter(mvm, vif, 0); 3796e705c121SKalle Valo return iwl_mvm_disable_beacon_filter(mvm, vif, 0); 3797e705c121SKalle Valo } 3798e705c121SKalle Valo 3799e705c121SKalle Valo return -EOPNOTSUPP; 3800e705c121SKalle Valo } 3801e705c121SKalle Valo 3802e705c121SKalle Valo static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, 3803e705c121SKalle Valo struct ieee80211_vif *vif, 3804e705c121SKalle Valo void *data, int len) 3805e705c121SKalle Valo { 3806e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3807e705c121SKalle Valo int err; 3808e705c121SKalle Valo 3809e705c121SKalle Valo mutex_lock(&mvm->mutex); 3810e705c121SKalle Valo err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); 3811e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3812e705c121SKalle Valo 3813e705c121SKalle Valo return err; 3814e705c121SKalle Valo } 3815e705c121SKalle Valo #endif 3816e705c121SKalle Valo 3817e705c121SKalle Valo static void iwl_mvm_channel_switch(struct ieee80211_hw *hw, 3818e705c121SKalle Valo struct ieee80211_vif *vif, 3819e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 3820e705c121SKalle Valo { 3821e705c121SKalle Valo /* By implementing this operation, we prevent mac80211 from 3822e705c121SKalle Valo * starting its own channel switch timer, so that we can call 3823e705c121SKalle Valo * ieee80211_chswitch_done() ourselves at the right time 3824e705c121SKalle Valo * (which is when the absence time event starts). 3825e705c121SKalle Valo */ 3826e705c121SKalle Valo 3827e705c121SKalle Valo IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 3828e705c121SKalle Valo "dummy channel switch op\n"); 3829e705c121SKalle Valo } 3830e705c121SKalle Valo 3831e705c121SKalle Valo static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, 3832e705c121SKalle Valo struct ieee80211_vif *vif, 3833e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 3834e705c121SKalle Valo { 3835e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3836e705c121SKalle Valo struct ieee80211_vif *csa_vif; 3837e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3838e705c121SKalle Valo u32 apply_time; 3839e705c121SKalle Valo int ret; 3840e705c121SKalle Valo 3841e705c121SKalle Valo mutex_lock(&mvm->mutex); 3842e705c121SKalle Valo 3843e705c121SKalle Valo mvmvif->csa_failed = false; 3844e705c121SKalle Valo 3845e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 3846e705c121SKalle Valo chsw->chandef.center_freq1); 3847e705c121SKalle Valo 38487174beb6SJohannes Berg iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 38497174beb6SJohannes Berg ieee80211_vif_to_wdev(vif), 38507174beb6SJohannes Berg FW_DBG_TRIGGER_CHANNEL_SWITCH); 3851e705c121SKalle Valo 3852e705c121SKalle Valo switch (vif->type) { 3853e705c121SKalle Valo case NL80211_IFTYPE_AP: 3854e705c121SKalle Valo csa_vif = 3855e705c121SKalle Valo rcu_dereference_protected(mvm->csa_vif, 3856e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 3857e705c121SKalle Valo if (WARN_ONCE(csa_vif && csa_vif->csa_active, 3858e705c121SKalle Valo "Another CSA is already in progress")) { 3859e705c121SKalle Valo ret = -EBUSY; 3860e705c121SKalle Valo goto out_unlock; 3861e705c121SKalle Valo } 3862e705c121SKalle Valo 3863d3a108a4SAndrei Otcheretianski /* we still didn't unblock tx. prevent new CS meanwhile */ 3864d3a108a4SAndrei Otcheretianski if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 3865d3a108a4SAndrei Otcheretianski lockdep_is_held(&mvm->mutex))) { 3866d3a108a4SAndrei Otcheretianski ret = -EBUSY; 3867d3a108a4SAndrei Otcheretianski goto out_unlock; 3868d3a108a4SAndrei Otcheretianski } 3869d3a108a4SAndrei Otcheretianski 3870e705c121SKalle Valo rcu_assign_pointer(mvm->csa_vif, vif); 3871e705c121SKalle Valo 3872e705c121SKalle Valo if (WARN_ONCE(mvmvif->csa_countdown, 3873e705c121SKalle Valo "Previous CSA countdown didn't complete")) { 3874e705c121SKalle Valo ret = -EBUSY; 3875e705c121SKalle Valo goto out_unlock; 3876e705c121SKalle Valo } 3877e705c121SKalle Valo 3878d3a108a4SAndrei Otcheretianski mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 3879d3a108a4SAndrei Otcheretianski 3880e705c121SKalle Valo break; 3881e705c121SKalle Valo case NL80211_IFTYPE_STATION: 388203098268SAviya Erenfeld if (mvmvif->lqm_active) 388303098268SAviya Erenfeld iwl_mvm_send_lqm_cmd(vif, 388403098268SAviya Erenfeld LQM_CMD_OPERATION_STOP_MEASUREMENT, 388503098268SAviya Erenfeld 0, 0); 388603098268SAviya Erenfeld 3887e705c121SKalle Valo /* Schedule the time event to a bit before beacon 1, 3888e705c121SKalle Valo * to make sure we're in the new channel when the 3889f5d8f50fSIlan Peer * GO/AP arrives. In case count <= 1 immediately schedule the 3890f5d8f50fSIlan Peer * TE (this might result with some packet loss or connection 3891f5d8f50fSIlan Peer * loss). 3892e705c121SKalle Valo */ 3893f5d8f50fSIlan Peer if (chsw->count <= 1) 3894f5d8f50fSIlan Peer apply_time = 0; 3895f5d8f50fSIlan Peer else 3896e705c121SKalle Valo apply_time = chsw->device_timestamp + 3897e705c121SKalle Valo ((vif->bss_conf.beacon_int * (chsw->count - 1) - 3898e705c121SKalle Valo IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 3899e705c121SKalle Valo 3900e705c121SKalle Valo if (chsw->block_tx) 3901e705c121SKalle Valo iwl_mvm_csa_client_absent(mvm, vif); 3902e705c121SKalle Valo 3903e705c121SKalle Valo iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, 3904e705c121SKalle Valo apply_time); 3905e705c121SKalle Valo if (mvmvif->bf_data.bf_enabled) { 3906e705c121SKalle Valo ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 3907e705c121SKalle Valo if (ret) 3908e705c121SKalle Valo goto out_unlock; 3909e705c121SKalle Valo } 3910e705c121SKalle Valo 3911e705c121SKalle Valo break; 3912e705c121SKalle Valo default: 3913e705c121SKalle Valo break; 3914e705c121SKalle Valo } 3915e705c121SKalle Valo 3916e705c121SKalle Valo mvmvif->ps_disabled = true; 3917e705c121SKalle Valo 3918e705c121SKalle Valo ret = iwl_mvm_power_update_ps(mvm); 3919e705c121SKalle Valo if (ret) 3920e705c121SKalle Valo goto out_unlock; 3921e705c121SKalle Valo 3922e705c121SKalle Valo /* we won't be on this channel any longer */ 3923e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 3924e705c121SKalle Valo 3925e705c121SKalle Valo out_unlock: 3926e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3927e705c121SKalle Valo 3928e705c121SKalle Valo return ret; 3929e705c121SKalle Valo } 3930e705c121SKalle Valo 3931e705c121SKalle Valo static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 3932e705c121SKalle Valo struct ieee80211_vif *vif) 3933e705c121SKalle Valo { 3934e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3935e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3936e705c121SKalle Valo int ret; 3937e705c121SKalle Valo 3938e705c121SKalle Valo mutex_lock(&mvm->mutex); 3939e705c121SKalle Valo 3940e705c121SKalle Valo if (mvmvif->csa_failed) { 3941e705c121SKalle Valo mvmvif->csa_failed = false; 3942e705c121SKalle Valo ret = -EIO; 3943e705c121SKalle Valo goto out_unlock; 3944e705c121SKalle Valo } 3945e705c121SKalle Valo 3946e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION) { 3947e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 3948e705c121SKalle Valo 3949e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_staid_protected(mvm, 3950e705c121SKalle Valo mvmvif->ap_sta_id); 3951e705c121SKalle Valo 3952e705c121SKalle Valo if (WARN_ON(!mvmsta)) { 3953e705c121SKalle Valo ret = -EIO; 3954e705c121SKalle Valo goto out_unlock; 3955e705c121SKalle Valo } 3956e705c121SKalle Valo 3957e705c121SKalle Valo iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 3958e705c121SKalle Valo 3959e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 3960e705c121SKalle Valo 3961e705c121SKalle Valo ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 3962e705c121SKalle Valo if (ret) 3963e705c121SKalle Valo goto out_unlock; 3964e705c121SKalle Valo 3965e705c121SKalle Valo iwl_mvm_stop_session_protection(mvm, vif); 3966e705c121SKalle Valo } 3967e705c121SKalle Valo 3968e705c121SKalle Valo mvmvif->ps_disabled = false; 3969e705c121SKalle Valo 3970e705c121SKalle Valo ret = iwl_mvm_power_update_ps(mvm); 3971e705c121SKalle Valo 3972e705c121SKalle Valo out_unlock: 3973e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3974e705c121SKalle Valo 3975e705c121SKalle Valo return ret; 3976e705c121SKalle Valo } 3977e705c121SKalle Valo 3978e705c121SKalle Valo static void iwl_mvm_mac_flush(struct ieee80211_hw *hw, 3979e705c121SKalle Valo struct ieee80211_vif *vif, u32 queues, bool drop) 3980e705c121SKalle Valo { 3981e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3982e705c121SKalle Valo struct iwl_mvm_vif *mvmvif; 3983e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 3984e705c121SKalle Valo struct ieee80211_sta *sta; 3985e705c121SKalle Valo int i; 3986e705c121SKalle Valo u32 msk = 0; 3987e705c121SKalle Valo 3988e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_STATION) 3989e705c121SKalle Valo return; 3990e705c121SKalle Valo 399124afba76SLiad Kaufman /* Make sure we're done with the deferred traffic before flushing */ 399224afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 399324afba76SLiad Kaufman 3994e705c121SKalle Valo mutex_lock(&mvm->mutex); 3995e705c121SKalle Valo mvmvif = iwl_mvm_vif_from_mac80211(vif); 3996e705c121SKalle Valo 3997e705c121SKalle Valo /* flush the AP-station and all TDLS peers */ 39980ae98812SSara Sharon for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) { 3999e705c121SKalle Valo sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 4000e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 4001e705c121SKalle Valo if (IS_ERR_OR_NULL(sta)) 4002e705c121SKalle Valo continue; 4003e705c121SKalle Valo 4004e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_mac80211(sta); 4005e705c121SKalle Valo if (mvmsta->vif != vif) 4006e705c121SKalle Valo continue; 4007e705c121SKalle Valo 4008e705c121SKalle Valo /* make sure only TDLS peers or the AP are flushed */ 4009e705c121SKalle Valo WARN_ON(i != mvmvif->ap_sta_id && !sta->tdls); 4010e705c121SKalle Valo 4011d49394a1SSara Sharon if (drop) { 4012d49394a1SSara Sharon if (iwl_mvm_flush_sta(mvm, mvmsta, false, 0)) 4013d49394a1SSara Sharon IWL_ERR(mvm, "flush request fail\n"); 4014d49394a1SSara Sharon } else { 4015e705c121SKalle Valo msk |= mvmsta->tfd_queue_msk; 4016d6d517b7SSara Sharon if (iwl_mvm_has_new_tx_api(mvm)) 4017d6d517b7SSara Sharon iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 4018e705c121SKalle Valo } 4019d49394a1SSara Sharon } 4020e705c121SKalle Valo 4021e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4022e705c121SKalle Valo 4023e705c121SKalle Valo /* this can take a while, and we may need/want other operations 4024e705c121SKalle Valo * to succeed while doing this, so do it without the mutex held 4025e705c121SKalle Valo */ 4026d6d517b7SSara Sharon if (!drop && !iwl_mvm_has_new_tx_api(mvm)) 4027a1a57877SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 4028e705c121SKalle Valo } 4029e705c121SKalle Valo 4030e705c121SKalle Valo static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 4031e705c121SKalle Valo struct survey_info *survey) 4032e705c121SKalle Valo { 4033e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4034e705c121SKalle Valo int ret; 4035e705c121SKalle Valo 4036e705c121SKalle Valo memset(survey, 0, sizeof(*survey)); 4037e705c121SKalle Valo 4038e705c121SKalle Valo /* only support global statistics right now */ 4039e705c121SKalle Valo if (idx != 0) 4040e705c121SKalle Valo return -ENOENT; 4041e705c121SKalle Valo 4042280a3efaSJohannes Berg if (!fw_has_capa(&mvm->fw->ucode_capa, 4043e705c121SKalle Valo IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 4044e705c121SKalle Valo return -ENOENT; 4045e705c121SKalle Valo 4046e705c121SKalle Valo mutex_lock(&mvm->mutex); 4047e705c121SKalle Valo 4048aab6930dSJohannes Berg if (iwl_mvm_firmware_running(mvm)) { 4049e705c121SKalle Valo ret = iwl_mvm_request_statistics(mvm, false); 4050e705c121SKalle Valo if (ret) 4051e705c121SKalle Valo goto out; 4052e705c121SKalle Valo } 4053e705c121SKalle Valo 4054e705c121SKalle Valo survey->filled = SURVEY_INFO_TIME | 4055e705c121SKalle Valo SURVEY_INFO_TIME_RX | 4056e705c121SKalle Valo SURVEY_INFO_TIME_TX | 4057e705c121SKalle Valo SURVEY_INFO_TIME_SCAN; 4058e705c121SKalle Valo survey->time = mvm->accu_radio_stats.on_time_rf + 4059e705c121SKalle Valo mvm->radio_stats.on_time_rf; 4060e705c121SKalle Valo do_div(survey->time, USEC_PER_MSEC); 4061e705c121SKalle Valo 4062e705c121SKalle Valo survey->time_rx = mvm->accu_radio_stats.rx_time + 4063e705c121SKalle Valo mvm->radio_stats.rx_time; 4064e705c121SKalle Valo do_div(survey->time_rx, USEC_PER_MSEC); 4065e705c121SKalle Valo 4066e705c121SKalle Valo survey->time_tx = mvm->accu_radio_stats.tx_time + 4067e705c121SKalle Valo mvm->radio_stats.tx_time; 4068e705c121SKalle Valo do_div(survey->time_tx, USEC_PER_MSEC); 4069e705c121SKalle Valo 4070e705c121SKalle Valo survey->time_scan = mvm->accu_radio_stats.on_time_scan + 4071e705c121SKalle Valo mvm->radio_stats.on_time_scan; 4072e705c121SKalle Valo do_div(survey->time_scan, USEC_PER_MSEC); 4073e705c121SKalle Valo 4074e705c121SKalle Valo ret = 0; 4075e705c121SKalle Valo out: 4076e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4077e705c121SKalle Valo return ret; 4078e705c121SKalle Valo } 4079e705c121SKalle Valo 4080e705c121SKalle Valo static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 4081e705c121SKalle Valo struct ieee80211_vif *vif, 4082e705c121SKalle Valo struct ieee80211_sta *sta, 4083e705c121SKalle Valo struct station_info *sinfo) 4084e705c121SKalle Valo { 4085e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4086e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4087e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 4088e705c121SKalle Valo 4089988b5968SSara Sharon if (mvmsta->avg_energy) { 4090988b5968SSara Sharon sinfo->signal_avg = mvmsta->avg_energy; 4091988b5968SSara Sharon sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL_AVG); 4092988b5968SSara Sharon } 4093988b5968SSara Sharon 4094280a3efaSJohannes Berg if (!fw_has_capa(&mvm->fw->ucode_capa, 4095e705c121SKalle Valo IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 4096e705c121SKalle Valo return; 4097e705c121SKalle Valo 4098e705c121SKalle Valo /* if beacon filtering isn't on mac80211 does it anyway */ 4099e705c121SKalle Valo if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 4100e705c121SKalle Valo return; 4101e705c121SKalle Valo 4102e705c121SKalle Valo if (!vif->bss_conf.assoc) 4103e705c121SKalle Valo return; 4104e705c121SKalle Valo 4105e705c121SKalle Valo mutex_lock(&mvm->mutex); 4106e705c121SKalle Valo 4107e705c121SKalle Valo if (mvmvif->ap_sta_id != mvmsta->sta_id) 4108e705c121SKalle Valo goto unlock; 4109e705c121SKalle Valo 4110e705c121SKalle Valo if (iwl_mvm_request_statistics(mvm, false)) 4111e705c121SKalle Valo goto unlock; 4112e705c121SKalle Valo 4113e705c121SKalle Valo sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons + 4114e705c121SKalle Valo mvmvif->beacon_stats.accu_num_beacons; 4115e705c121SKalle Valo sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_RX); 4116e705c121SKalle Valo if (mvmvif->beacon_stats.avg_signal) { 4117e705c121SKalle Valo /* firmware only reports a value after RXing a few beacons */ 4118e705c121SKalle Valo sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal; 4119e705c121SKalle Valo sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 4120e705c121SKalle Valo } 4121e705c121SKalle Valo unlock: 4122e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4123e705c121SKalle Valo } 4124e705c121SKalle Valo 4125e705c121SKalle Valo static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 4126e705c121SKalle Valo struct ieee80211_vif *vif, 4127e705c121SKalle Valo const struct ieee80211_event *event) 4128e705c121SKalle Valo { 41294c324a51SLuca Coelho #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 4130e705c121SKalle Valo do { \ 41314c324a51SLuca Coelho if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 4132e705c121SKalle Valo break; \ 41337174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 4134e705c121SKalle Valo } while (0) 4135e705c121SKalle Valo 4136e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 4137e705c121SKalle Valo struct iwl_fw_dbg_trigger_mlme *trig_mlme; 4138e705c121SKalle Valo 4139e705c121SKalle Valo if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_MLME)) 4140e705c121SKalle Valo return; 4141e705c121SKalle Valo 4142e705c121SKalle Valo trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_MLME); 4143e705c121SKalle Valo trig_mlme = (void *)trig->data; 41447174beb6SJohannes Berg if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt, 41457174beb6SJohannes Berg ieee80211_vif_to_wdev(vif), trig)) 4146e705c121SKalle Valo return; 4147e705c121SKalle Valo 4148e705c121SKalle Valo if (event->u.mlme.data == ASSOC_EVENT) { 4149e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 41504c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_denied, 4151e705c121SKalle Valo "DENIED ASSOC: reason %d", 4152e705c121SKalle Valo event->u.mlme.reason); 4153e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 41544c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_timeout, 4155e705c121SKalle Valo "ASSOC TIMEOUT"); 4156e705c121SKalle Valo } else if (event->u.mlme.data == AUTH_EVENT) { 4157e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 41584c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_denied, 4159e705c121SKalle Valo "DENIED AUTH: reason %d", 4160e705c121SKalle Valo event->u.mlme.reason); 4161e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 41624c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_timeout, 4163e705c121SKalle Valo "AUTH TIMEOUT"); 4164e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 41654c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_rx_deauth, 4166e705c121SKalle Valo "DEAUTH RX %d", event->u.mlme.reason); 4167e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 41684c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_tx_deauth, 4169e705c121SKalle Valo "DEAUTH TX %d", event->u.mlme.reason); 4170e705c121SKalle Valo } 4171e705c121SKalle Valo #undef CHECK_MLME_TRIGGER 4172e705c121SKalle Valo } 4173e705c121SKalle Valo 4174e705c121SKalle Valo static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 4175e705c121SKalle Valo struct ieee80211_vif *vif, 4176e705c121SKalle Valo const struct ieee80211_event *event) 4177e705c121SKalle Valo { 4178e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 4179e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 4180e705c121SKalle Valo 4181e705c121SKalle Valo if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA)) 4182e705c121SKalle Valo return; 4183e705c121SKalle Valo 4184e705c121SKalle Valo trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA); 4185e705c121SKalle Valo ba_trig = (void *)trig->data; 41867174beb6SJohannes Berg if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt, 41877174beb6SJohannes Berg ieee80211_vif_to_wdev(vif), trig)) 4188e705c121SKalle Valo return; 4189e705c121SKalle Valo 4190e705c121SKalle Valo if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 4191e705c121SKalle Valo return; 4192e705c121SKalle Valo 41937174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 4194e705c121SKalle Valo "BAR received from %pM, tid %d, ssn %d", 4195e705c121SKalle Valo event->u.ba.sta->addr, event->u.ba.tid, 4196e705c121SKalle Valo event->u.ba.ssn); 4197e705c121SKalle Valo } 4198e705c121SKalle Valo 4199e705c121SKalle Valo static void 4200e705c121SKalle Valo iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm, 4201e705c121SKalle Valo struct ieee80211_vif *vif, 4202e705c121SKalle Valo const struct ieee80211_event *event) 4203e705c121SKalle Valo { 4204e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 4205e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 4206e705c121SKalle Valo 4207e705c121SKalle Valo if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA)) 4208e705c121SKalle Valo return; 4209e705c121SKalle Valo 4210e705c121SKalle Valo trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA); 4211e705c121SKalle Valo ba_trig = (void *)trig->data; 42127174beb6SJohannes Berg if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt, 42137174beb6SJohannes Berg ieee80211_vif_to_wdev(vif), trig)) 4214e705c121SKalle Valo return; 4215e705c121SKalle Valo 4216e705c121SKalle Valo if (!(le16_to_cpu(ba_trig->frame_timeout) & BIT(event->u.ba.tid))) 4217e705c121SKalle Valo return; 4218e705c121SKalle Valo 42197174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 4220e705c121SKalle Valo "Frame from %pM timed out, tid %d", 4221e705c121SKalle Valo event->u.ba.sta->addr, event->u.ba.tid); 4222e705c121SKalle Valo } 4223e705c121SKalle Valo 4224e705c121SKalle Valo static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 4225e705c121SKalle Valo struct ieee80211_vif *vif, 4226e705c121SKalle Valo const struct ieee80211_event *event) 4227e705c121SKalle Valo { 4228e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4229e705c121SKalle Valo 4230e705c121SKalle Valo switch (event->type) { 4231e705c121SKalle Valo case MLME_EVENT: 4232e705c121SKalle Valo iwl_mvm_event_mlme_callback(mvm, vif, event); 4233e705c121SKalle Valo break; 4234e705c121SKalle Valo case BAR_RX_EVENT: 4235e705c121SKalle Valo iwl_mvm_event_bar_rx_callback(mvm, vif, event); 4236e705c121SKalle Valo break; 4237e705c121SKalle Valo case BA_FRAME_TIMEOUT: 4238e705c121SKalle Valo iwl_mvm_event_frame_timeout_callback(mvm, vif, event); 4239e705c121SKalle Valo break; 4240e705c121SKalle Valo default: 4241e705c121SKalle Valo break; 4242e705c121SKalle Valo } 4243e705c121SKalle Valo } 4244e705c121SKalle Valo 4245d0ff5d22SSara Sharon void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 4246d0ff5d22SSara Sharon struct iwl_mvm_internal_rxq_notif *notif, 4247d0ff5d22SSara Sharon u32 size) 42480636b938SSara Sharon { 42490636b938SSara Sharon u32 qmask = BIT(mvm->trans->num_rx_queues) - 1; 42500636b938SSara Sharon int ret; 42510636b938SSara Sharon 42520636b938SSara Sharon lockdep_assert_held(&mvm->mutex); 42530636b938SSara Sharon 4254bc029469SSara Sharon /* TODO - remove a000 disablement when we have RXQ config API */ 4255c8c017a6SJohannes Berg if (!iwl_mvm_has_new_rx_api(mvm) || 4256c8c017a6SJohannes Berg mvm->trans->cfg->device_family == IWL_DEVICE_FAMILY_A000) 42570636b938SSara Sharon return; 42580636b938SSara Sharon 4259d0ff5d22SSara Sharon notif->cookie = mvm->queue_sync_cookie; 42600636b938SSara Sharon 4261d0ff5d22SSara Sharon if (notif->sync) 4262d0ff5d22SSara Sharon atomic_set(&mvm->queue_sync_counter, 4263d0ff5d22SSara Sharon mvm->trans->num_rx_queues); 4264d0ff5d22SSara Sharon 4265d0ff5d22SSara Sharon ret = iwl_mvm_notify_rx_queue(mvm, qmask, (u8 *)notif, size); 42660636b938SSara Sharon if (ret) { 42670636b938SSara Sharon IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 42680636b938SSara Sharon goto out; 42690636b938SSara Sharon } 4270d0ff5d22SSara Sharon 42716ad04359SJohannes Berg if (notif->sync) { 42723a732c65SSara Sharon ret = wait_event_timeout(mvm->rx_sync_waitq, 42736ad04359SJohannes Berg atomic_read(&mvm->queue_sync_counter) == 0 || 42746ad04359SJohannes Berg iwl_mvm_is_radio_killed(mvm), 42750636b938SSara Sharon HZ); 42766ad04359SJohannes Berg WARN_ON_ONCE(!ret && !iwl_mvm_is_radio_killed(mvm)); 42776ad04359SJohannes Berg } 42780636b938SSara Sharon 42790636b938SSara Sharon out: 42800636b938SSara Sharon atomic_set(&mvm->queue_sync_counter, 0); 42810636b938SSara Sharon mvm->queue_sync_cookie++; 42820636b938SSara Sharon } 42830636b938SSara Sharon 42840636b938SSara Sharon static void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) 42850636b938SSara Sharon { 42860636b938SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4287d0ff5d22SSara Sharon struct iwl_mvm_internal_rxq_notif data = { 4288d0ff5d22SSara Sharon .type = IWL_MVM_RXQ_EMPTY, 4289d0ff5d22SSara Sharon .sync = 1, 4290d0ff5d22SSara Sharon }; 42910636b938SSara Sharon 42920636b938SSara Sharon mutex_lock(&mvm->mutex); 4293d0ff5d22SSara Sharon iwl_mvm_sync_rx_queues_internal(mvm, &data, sizeof(data)); 42940636b938SSara Sharon mutex_unlock(&mvm->mutex); 42950636b938SSara Sharon } 42960636b938SSara Sharon 4297e705c121SKalle Valo const struct ieee80211_ops iwl_mvm_hw_ops = { 4298e705c121SKalle Valo .tx = iwl_mvm_mac_tx, 4299e705c121SKalle Valo .ampdu_action = iwl_mvm_mac_ampdu_action, 4300e705c121SKalle Valo .start = iwl_mvm_mac_start, 4301e705c121SKalle Valo .reconfig_complete = iwl_mvm_mac_reconfig_complete, 4302e705c121SKalle Valo .stop = iwl_mvm_mac_stop, 4303e705c121SKalle Valo .add_interface = iwl_mvm_mac_add_interface, 4304e705c121SKalle Valo .remove_interface = iwl_mvm_mac_remove_interface, 4305e705c121SKalle Valo .config = iwl_mvm_mac_config, 4306e705c121SKalle Valo .prepare_multicast = iwl_mvm_prepare_multicast, 4307e705c121SKalle Valo .configure_filter = iwl_mvm_configure_filter, 4308e705c121SKalle Valo .config_iface_filter = iwl_mvm_config_iface_filter, 4309e705c121SKalle Valo .bss_info_changed = iwl_mvm_bss_info_changed, 4310e705c121SKalle Valo .hw_scan = iwl_mvm_mac_hw_scan, 4311e705c121SKalle Valo .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, 4312e705c121SKalle Valo .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, 4313e705c121SKalle Valo .sta_state = iwl_mvm_mac_sta_state, 4314e705c121SKalle Valo .sta_notify = iwl_mvm_mac_sta_notify, 4315e705c121SKalle Valo .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, 4316e705c121SKalle Valo .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, 4317e705c121SKalle Valo .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, 4318e705c121SKalle Valo .sta_rc_update = iwl_mvm_sta_rc_update, 4319e705c121SKalle Valo .conf_tx = iwl_mvm_mac_conf_tx, 4320e705c121SKalle Valo .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, 4321e705c121SKalle Valo .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, 4322e705c121SKalle Valo .flush = iwl_mvm_mac_flush, 4323e705c121SKalle Valo .sched_scan_start = iwl_mvm_mac_sched_scan_start, 4324e705c121SKalle Valo .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, 4325e705c121SKalle Valo .set_key = iwl_mvm_mac_set_key, 4326e705c121SKalle Valo .update_tkip_key = iwl_mvm_mac_update_tkip_key, 4327e705c121SKalle Valo .remain_on_channel = iwl_mvm_roc, 4328e705c121SKalle Valo .cancel_remain_on_channel = iwl_mvm_cancel_roc, 4329e705c121SKalle Valo .add_chanctx = iwl_mvm_add_chanctx, 4330e705c121SKalle Valo .remove_chanctx = iwl_mvm_remove_chanctx, 4331e705c121SKalle Valo .change_chanctx = iwl_mvm_change_chanctx, 4332e705c121SKalle Valo .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, 4333e705c121SKalle Valo .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, 4334e705c121SKalle Valo .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, 4335e705c121SKalle Valo 4336e705c121SKalle Valo .start_ap = iwl_mvm_start_ap_ibss, 4337e705c121SKalle Valo .stop_ap = iwl_mvm_stop_ap_ibss, 4338e705c121SKalle Valo .join_ibss = iwl_mvm_start_ap_ibss, 4339e705c121SKalle Valo .leave_ibss = iwl_mvm_stop_ap_ibss, 4340e705c121SKalle Valo 43412f0282dbSJohannes Berg .tx_last_beacon = iwl_mvm_tx_last_beacon, 43422f0282dbSJohannes Berg 4343e705c121SKalle Valo .set_tim = iwl_mvm_set_tim, 4344e705c121SKalle Valo 4345e705c121SKalle Valo .channel_switch = iwl_mvm_channel_switch, 4346e705c121SKalle Valo .pre_channel_switch = iwl_mvm_pre_channel_switch, 4347e705c121SKalle Valo .post_channel_switch = iwl_mvm_post_channel_switch, 4348e705c121SKalle Valo 4349e705c121SKalle Valo .tdls_channel_switch = iwl_mvm_tdls_channel_switch, 4350e705c121SKalle Valo .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, 4351e705c121SKalle Valo .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, 4352e705c121SKalle Valo 4353e705c121SKalle Valo .event_callback = iwl_mvm_mac_event_callback, 4354e705c121SKalle Valo 43550636b938SSara Sharon .sync_rx_queues = iwl_mvm_sync_rx_queues, 43560636b938SSara Sharon 4357e705c121SKalle Valo CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) 4358e705c121SKalle Valo 4359e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 4360e705c121SKalle Valo /* look at d3.c */ 4361e705c121SKalle Valo .suspend = iwl_mvm_suspend, 4362e705c121SKalle Valo .resume = iwl_mvm_resume, 4363e705c121SKalle Valo .set_wakeup = iwl_mvm_set_wakeup, 4364e705c121SKalle Valo .set_rekey_data = iwl_mvm_set_rekey_data, 4365e705c121SKalle Valo #if IS_ENABLED(CONFIG_IPV6) 4366e705c121SKalle Valo .ipv6_addr_change = iwl_mvm_ipv6_addr_change, 4367e705c121SKalle Valo #endif 4368e705c121SKalle Valo .set_default_unicast_key = iwl_mvm_set_default_unicast_key, 4369e705c121SKalle Valo #endif 4370e705c121SKalle Valo .get_survey = iwl_mvm_mac_get_survey, 4371e705c121SKalle Valo .sta_statistics = iwl_mvm_mac_sta_statistics, 4372e705c121SKalle Valo }; 4373