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 if (!iwl_mvm_is_dqa_supported(mvm)) 468e705c121SKalle Valo hw->queues = mvm->first_agg_queue; 469cf961e16SLiad Kaufman else 470cf961e16SLiad Kaufman hw->queues = IEEE80211_MAX_QUEUES; 471e705c121SKalle Valo hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; 472e705c121SKalle Valo hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | 473e705c121SKalle Valo IEEE80211_RADIOTAP_MCS_HAVE_STBC; 474e705c121SKalle Valo hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | 475e705c121SKalle Valo IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; 476371a17edSJohannes Berg 477371a17edSJohannes Berg hw->radiotap_timestamp.units_pos = 478371a17edSJohannes Berg IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | 479371a17edSJohannes Berg IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; 480371a17edSJohannes Berg /* this is the case for CCK frames, it's better (only 8) for OFDM */ 481371a17edSJohannes Berg hw->radiotap_timestamp.accuracy = 22; 482371a17edSJohannes Berg 483e705c121SKalle Valo hw->rate_control_algorithm = "iwl-mvm-rs"; 484e705c121SKalle Valo hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; 485e705c121SKalle Valo hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; 486e705c121SKalle Valo 4878e160ab8SAyala Beker BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); 488e705c121SKalle Valo memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); 489e705c121SKalle Valo hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); 490e705c121SKalle Valo hw->wiphy->cipher_suites = mvm->ciphers; 491e705c121SKalle Valo 4922a53d166SAyala Beker if (iwl_mvm_has_new_rx_api(mvm)) { 4932a53d166SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 4942a53d166SAyala Beker WLAN_CIPHER_SUITE_GCMP; 4952a53d166SAyala Beker hw->wiphy->n_cipher_suites++; 4962a53d166SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 4972a53d166SAyala Beker WLAN_CIPHER_SUITE_GCMP_256; 4982a53d166SAyala Beker hw->wiphy->n_cipher_suites++; 4992a53d166SAyala Beker } 5002a53d166SAyala Beker 5014b87e5afSLuca Coelho /* Enable 11w if software crypto is not enabled (as the 5024b87e5afSLuca Coelho * firmware will interpret some mgmt packets, so enabling it 5034b87e5afSLuca Coelho * with software crypto isn't safe). 504e705c121SKalle Valo */ 5053b37f4c9SJohannes Berg if (!iwlwifi_mod_params.swcrypto) { 506e705c121SKalle Valo ieee80211_hw_set(hw, MFP_CAPABLE); 507e705c121SKalle Valo mvm->ciphers[hw->wiphy->n_cipher_suites] = 508e705c121SKalle Valo WLAN_CIPHER_SUITE_AES_CMAC; 509e705c121SKalle Valo hw->wiphy->n_cipher_suites++; 5108e160ab8SAyala Beker if (iwl_mvm_has_new_rx_api(mvm)) { 5118e160ab8SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 5128e160ab8SAyala Beker WLAN_CIPHER_SUITE_BIP_GMAC_128; 5138e160ab8SAyala Beker hw->wiphy->n_cipher_suites++; 5148e160ab8SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 5158e160ab8SAyala Beker WLAN_CIPHER_SUITE_BIP_GMAC_256; 5168e160ab8SAyala Beker hw->wiphy->n_cipher_suites++; 5178e160ab8SAyala Beker } 518e705c121SKalle Valo } 519e705c121SKalle Valo 520e705c121SKalle Valo /* currently FW API supports only one optional cipher scheme */ 521e705c121SKalle Valo if (mvm->fw->cs[0].cipher) { 52224ddddf3SJohannes Berg const struct iwl_fw_cipher_scheme *fwcs = &mvm->fw->cs[0]; 52324ddddf3SJohannes Berg struct ieee80211_cipher_scheme *cs = &mvm->cs[0]; 52424ddddf3SJohannes Berg 525e705c121SKalle Valo mvm->hw->n_cipher_schemes = 1; 52624ddddf3SJohannes Berg 52724ddddf3SJohannes Berg cs->cipher = le32_to_cpu(fwcs->cipher); 52824ddddf3SJohannes Berg cs->iftype = BIT(NL80211_IFTYPE_STATION); 52924ddddf3SJohannes Berg cs->hdr_len = fwcs->hdr_len; 53024ddddf3SJohannes Berg cs->pn_len = fwcs->pn_len; 53124ddddf3SJohannes Berg cs->pn_off = fwcs->pn_off; 53224ddddf3SJohannes Berg cs->key_idx_off = fwcs->key_idx_off; 53324ddddf3SJohannes Berg cs->key_idx_mask = fwcs->key_idx_mask; 53424ddddf3SJohannes Berg cs->key_idx_shift = fwcs->key_idx_shift; 53524ddddf3SJohannes Berg cs->mic_len = fwcs->mic_len; 53624ddddf3SJohannes Berg 53724ddddf3SJohannes Berg mvm->hw->cipher_schemes = mvm->cs; 53824ddddf3SJohannes Berg mvm->ciphers[hw->wiphy->n_cipher_suites] = cs->cipher; 539e705c121SKalle Valo hw->wiphy->n_cipher_suites++; 540e705c121SKalle Valo } 541e705c121SKalle Valo 542e705c121SKalle Valo ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); 543e705c121SKalle Valo hw->wiphy->features |= 544e705c121SKalle Valo NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 545e705c121SKalle Valo NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 546e705c121SKalle Valo NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 547e705c121SKalle Valo 548e705c121SKalle Valo hw->sta_data_size = sizeof(struct iwl_mvm_sta); 549e705c121SKalle Valo hw->vif_data_size = sizeof(struct iwl_mvm_vif); 550e705c121SKalle Valo hw->chanctx_data_size = sizeof(u16); 551e705c121SKalle Valo 552e705c121SKalle Valo hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 553e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT) | 554e705c121SKalle Valo BIT(NL80211_IFTYPE_AP) | 555e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_GO) | 556e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_DEVICE) | 557e705c121SKalle Valo BIT(NL80211_IFTYPE_ADHOC); 558e705c121SKalle Valo 559e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 560e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; 561e705c121SKalle Valo if (iwl_mvm_is_lar_supported(mvm)) 562e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 563e705c121SKalle Valo else 564e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 565e705c121SKalle Valo REGULATORY_DISABLE_BEACON_HINTS; 566e705c121SKalle Valo 567e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 568e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 569e705c121SKalle Valo 570e705c121SKalle Valo hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; 571e705c121SKalle Valo hw->wiphy->n_iface_combinations = 572e705c121SKalle Valo ARRAY_SIZE(iwl_mvm_iface_combinations); 573e705c121SKalle Valo 574e705c121SKalle Valo hw->wiphy->max_remain_on_channel_duration = 10000; 575e705c121SKalle Valo hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; 576e705c121SKalle Valo /* we can compensate an offset of up to 3 channels = 15 MHz */ 577e705c121SKalle Valo hw->wiphy->max_adj_channel_rssi_comp = 3 * 5; 578e705c121SKalle Valo 579e705c121SKalle Valo /* Extract MAC address */ 580e705c121SKalle Valo memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); 581e705c121SKalle Valo hw->wiphy->addresses = mvm->addresses; 582e705c121SKalle Valo hw->wiphy->n_addresses = 1; 583e705c121SKalle Valo 584e705c121SKalle Valo /* Extract additional MAC addresses if available */ 585e705c121SKalle Valo num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? 586e705c121SKalle Valo min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; 587e705c121SKalle Valo 588e705c121SKalle Valo for (i = 1; i < num_mac; i++) { 589e705c121SKalle Valo memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, 590e705c121SKalle Valo ETH_ALEN); 591e705c121SKalle Valo mvm->addresses[i].addr[5]++; 592e705c121SKalle Valo hw->wiphy->n_addresses++; 593e705c121SKalle Valo } 594e705c121SKalle Valo 595e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 596e705c121SKalle Valo 597e705c121SKalle Valo hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); 598e705c121SKalle Valo 599e705c121SKalle Valo hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; 600e705c121SKalle Valo 601e705c121SKalle Valo BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); 602e705c121SKalle Valo BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || 603e705c121SKalle Valo IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); 604e705c121SKalle Valo 605e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 606e705c121SKalle Valo mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS; 607e705c121SKalle Valo else 608e705c121SKalle Valo mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS; 609e705c121SKalle Valo 61057fbcce3SJohannes Berg if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) 61157fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_2GHZ] = 61257fbcce3SJohannes Berg &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; 61357fbcce3SJohannes Berg if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { 61457fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ] = 61557fbcce3SJohannes Berg &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; 616e705c121SKalle Valo 617e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 618e705c121SKalle Valo IWL_UCODE_TLV_CAPA_BEAMFORMER) && 619e705c121SKalle Valo fw_has_api(&mvm->fw->ucode_capa, 620e705c121SKalle Valo IWL_UCODE_TLV_API_LQ_SS_PARAMS)) 62157fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= 622e705c121SKalle Valo IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; 623e705c121SKalle Valo } 624e705c121SKalle Valo 625e705c121SKalle Valo hw->wiphy->hw_version = mvm->trans->hw_id; 626e705c121SKalle Valo 627e705c121SKalle Valo if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) 628e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; 629e705c121SKalle Valo else 630e705c121SKalle Valo hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 631e705c121SKalle Valo 632ca986ad9SArend Van Spriel hw->wiphy->max_sched_scan_reqs = 1; 633e705c121SKalle Valo hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; 634e705c121SKalle Valo hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES; 635e705c121SKalle Valo /* we create the 802.11 header and zero length SSID IE. */ 636e705c121SKalle Valo hw->wiphy->max_sched_scan_ie_len = 637e705c121SKalle Valo SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; 638e705c121SKalle Valo hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; 639e705c121SKalle Valo hw->wiphy->max_sched_scan_plan_interval = U16_MAX; 640e705c121SKalle Valo 641e705c121SKalle Valo /* 642e705c121SKalle Valo * the firmware uses u8 for num of iterations, but 0xff is saved for 643e705c121SKalle Valo * infinite loop, so the maximum number of iterations is actually 254. 644e705c121SKalle Valo */ 645e705c121SKalle Valo hw->wiphy->max_sched_scan_plan_iterations = 254; 646e705c121SKalle Valo 647e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | 648e705c121SKalle Valo NL80211_FEATURE_LOW_PRIORITY_SCAN | 649e705c121SKalle Valo NL80211_FEATURE_P2P_GO_OPPPS | 650a904a08bSPeer, Ilan NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 651e705c121SKalle Valo NL80211_FEATURE_DYNAMIC_SMPS | 652e705c121SKalle Valo NL80211_FEATURE_STATIC_SMPS | 653e705c121SKalle Valo NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; 654e705c121SKalle Valo 655e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 656e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) 657e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; 658e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 659e705c121SKalle Valo IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) 660e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_QUIET; 661e705c121SKalle Valo 662e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 663e705c121SKalle Valo IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) 664e705c121SKalle Valo hw->wiphy->features |= 665e705c121SKalle Valo NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; 666e705c121SKalle Valo 667e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 668e705c121SKalle Valo IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) 669e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; 670e705c121SKalle Valo 671aacf8f18SAvrahams Stern if (fw_has_api(&mvm->fw->ucode_capa, 672aacf8f18SAvrahams Stern IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { 673aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 674aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_SCAN_START_TIME); 675aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 676aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_BSS_PARENT_TSF); 677aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 678aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_SET_SCAN_DWELL); 679aacf8f18SAvrahams Stern } 680aacf8f18SAvrahams Stern 681e705c121SKalle Valo mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; 682e705c121SKalle Valo 683e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 684e705c121SKalle Valo if (iwl_mvm_is_d0i3_supported(mvm) && 685e705c121SKalle Valo device_can_wakeup(mvm->trans->dev)) { 686e705c121SKalle Valo mvm->wowlan.flags = WIPHY_WOWLAN_ANY; 687e705c121SKalle Valo hw->wiphy->wowlan = &mvm->wowlan; 688e705c121SKalle Valo } 689e705c121SKalle Valo 690eef187a7SSara Sharon if (mvm->fw->img[IWL_UCODE_WOWLAN].num_sec && 691e705c121SKalle Valo mvm->trans->ops->d3_suspend && 692e705c121SKalle Valo mvm->trans->ops->d3_resume && 693e705c121SKalle Valo device_can_wakeup(mvm->trans->dev)) { 694e705c121SKalle Valo mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | 695e705c121SKalle Valo WIPHY_WOWLAN_DISCONNECT | 696e705c121SKalle Valo WIPHY_WOWLAN_EAP_IDENTITY_REQ | 697e705c121SKalle Valo WIPHY_WOWLAN_RFKILL_RELEASE | 698e705c121SKalle Valo WIPHY_WOWLAN_NET_DETECT; 6993b37f4c9SJohannes Berg if (!iwlwifi_mod_params.swcrypto) 700e705c121SKalle Valo mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 701e705c121SKalle Valo WIPHY_WOWLAN_GTK_REKEY_FAILURE | 702e705c121SKalle Valo WIPHY_WOWLAN_4WAY_HANDSHAKE; 703e705c121SKalle Valo 704e705c121SKalle Valo mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; 705e705c121SKalle Valo mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; 706e705c121SKalle Valo mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; 707e705c121SKalle Valo mvm->wowlan.max_nd_match_sets = IWL_SCAN_MAX_PROFILES; 708e705c121SKalle Valo mvm->wowlan.tcp = &iwl_mvm_wowlan_tcp_support; 709e705c121SKalle Valo hw->wiphy->wowlan = &mvm->wowlan; 710e705c121SKalle Valo } 711e705c121SKalle Valo #endif 712e705c121SKalle Valo 713e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 714e705c121SKalle Valo /* assign default bcast filtering configuration */ 715e705c121SKalle Valo mvm->bcast_filters = iwl_mvm_default_bcast_filters; 716e705c121SKalle Valo #endif 717e705c121SKalle Valo 718e705c121SKalle Valo ret = iwl_mvm_leds_init(mvm); 719e705c121SKalle Valo if (ret) 720e705c121SKalle Valo return ret; 721e705c121SKalle Valo 722e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 723e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { 724e705c121SKalle Valo IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); 725e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 726e705c121SKalle Valo ieee80211_hw_set(hw, TDLS_WIDER_BW); 727e705c121SKalle Valo } 728e705c121SKalle Valo 729e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 730e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { 731e705c121SKalle Valo IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); 732e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 733e705c121SKalle Valo } 734e705c121SKalle Valo 735e705c121SKalle Valo hw->netdev_features |= mvm->cfg->features; 7365e6a98dcSSara Sharon if (!iwl_mvm_is_csum_supported(mvm)) { 7375e6a98dcSSara Sharon hw->netdev_features &= ~(IWL_TX_CSUM_NETIF_FLAGS | 7385e6a98dcSSara Sharon NETIF_F_RXCSUM); 7395e6a98dcSSara Sharon /* We may support SW TX CSUM */ 74041837ca9SEmmanuel Grumbach if (IWL_MVM_SW_TX_CSUM_OFFLOAD) 7415e6a98dcSSara Sharon hw->netdev_features |= IWL_TX_CSUM_NETIF_FLAGS; 7425e6a98dcSSara Sharon } 74341837ca9SEmmanuel Grumbach 744e705c121SKalle Valo ret = ieee80211_register_hw(mvm->hw); 745e705c121SKalle Valo if (ret) 746e705c121SKalle Valo iwl_mvm_leds_exit(mvm); 747de8ba41bSLiad Kaufman mvm->init_status |= IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE; 748e705c121SKalle Valo 74991b08c2dSAviya Erenfeld if (mvm->cfg->vht_mu_mimo_supported) 75091b08c2dSAviya Erenfeld wiphy_ext_feature_set(hw->wiphy, 75191b08c2dSAviya Erenfeld NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); 75291b08c2dSAviya Erenfeld 753e705c121SKalle Valo return ret; 754e705c121SKalle Valo } 755e705c121SKalle Valo 756e705c121SKalle Valo static bool iwl_mvm_defer_tx(struct iwl_mvm *mvm, 757e705c121SKalle Valo struct ieee80211_sta *sta, 758e705c121SKalle Valo struct sk_buff *skb) 759e705c121SKalle Valo { 760e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 761e705c121SKalle Valo bool defer = false; 762e705c121SKalle Valo 763e705c121SKalle Valo /* 764e705c121SKalle Valo * double check the IN_D0I3 flag both before and after 765e705c121SKalle Valo * taking the spinlock, in order to prevent taking 766e705c121SKalle Valo * the spinlock when not needed. 767e705c121SKalle Valo */ 768e705c121SKalle Valo if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))) 769e705c121SKalle Valo return false; 770e705c121SKalle Valo 771e705c121SKalle Valo spin_lock(&mvm->d0i3_tx_lock); 772e705c121SKalle Valo /* 773e705c121SKalle Valo * testing the flag again ensures the skb dequeue 774e705c121SKalle Valo * loop (on d0i3 exit) hasn't run yet. 775e705c121SKalle Valo */ 776e705c121SKalle Valo if (!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)) 777e705c121SKalle Valo goto out; 778e705c121SKalle Valo 779e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_mac80211(sta); 7800ae98812SSara Sharon if (mvmsta->sta_id == IWL_MVM_INVALID_STA || 781e705c121SKalle Valo mvmsta->sta_id != mvm->d0i3_ap_sta_id) 782e705c121SKalle Valo goto out; 783e705c121SKalle Valo 784e705c121SKalle Valo __skb_queue_tail(&mvm->d0i3_tx, skb); 785e705c121SKalle Valo ieee80211_stop_queues(mvm->hw); 786e705c121SKalle Valo 787e705c121SKalle Valo /* trigger wakeup */ 788e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_TX); 789e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_TX); 790e705c121SKalle Valo 791e705c121SKalle Valo defer = true; 792e705c121SKalle Valo out: 793e705c121SKalle Valo spin_unlock(&mvm->d0i3_tx_lock); 794e705c121SKalle Valo return defer; 795e705c121SKalle Valo } 796e705c121SKalle Valo 797e705c121SKalle Valo static void iwl_mvm_mac_tx(struct ieee80211_hw *hw, 798e705c121SKalle Valo struct ieee80211_tx_control *control, 799e705c121SKalle Valo struct sk_buff *skb) 800e705c121SKalle Valo { 801e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 802e705c121SKalle Valo struct ieee80211_sta *sta = control->sta; 803e705c121SKalle Valo struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 804e705c121SKalle Valo struct ieee80211_hdr *hdr = (void *)skb->data; 805e705c121SKalle Valo 806e705c121SKalle Valo if (iwl_mvm_is_radio_killed(mvm)) { 807e705c121SKalle Valo IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); 808e705c121SKalle Valo goto drop; 809e705c121SKalle Valo } 810e705c121SKalle Valo 811e705c121SKalle Valo if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE && 812e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) && 813e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) 814e705c121SKalle Valo goto drop; 815e705c121SKalle Valo 816e705c121SKalle Valo /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */ 817e705c121SKalle Valo if (unlikely(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER && 818e705c121SKalle Valo ieee80211_is_mgmt(hdr->frame_control) && 8197426ee33SJohannes Berg !ieee80211_is_bufferable_mmpdu(hdr->frame_control))) 820e705c121SKalle Valo sta = NULL; 821e705c121SKalle Valo 822e705c121SKalle Valo if (sta) { 823e705c121SKalle Valo if (iwl_mvm_defer_tx(mvm, sta, skb)) 824e705c121SKalle Valo return; 825e705c121SKalle Valo if (iwl_mvm_tx_skb(mvm, skb, sta)) 826e705c121SKalle Valo goto drop; 827e705c121SKalle Valo return; 828e705c121SKalle Valo } 829e705c121SKalle Valo 830e705c121SKalle Valo if (iwl_mvm_tx_skb_non_sta(mvm, skb)) 831e705c121SKalle Valo goto drop; 832e705c121SKalle Valo return; 833e705c121SKalle Valo drop: 834e705c121SKalle Valo ieee80211_free_txskb(hw, skb); 835e705c121SKalle Valo } 836e705c121SKalle Valo 837e705c121SKalle Valo static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg *cfg) 838e705c121SKalle Valo { 839e705c121SKalle Valo if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG) 840e705c121SKalle Valo return false; 841e705c121SKalle Valo return true; 842e705c121SKalle Valo } 843e705c121SKalle Valo 844e705c121SKalle Valo static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg) 845e705c121SKalle Valo { 846e705c121SKalle Valo if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG) 847e705c121SKalle Valo return false; 848e705c121SKalle Valo if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG) 849e705c121SKalle Valo return true; 850e705c121SKalle Valo 851e705c121SKalle Valo /* enabled by default */ 852e705c121SKalle Valo return true; 853e705c121SKalle Valo } 854e705c121SKalle Valo 855e705c121SKalle Valo #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ 856e705c121SKalle Valo do { \ 857e705c121SKalle Valo if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ 858e705c121SKalle Valo break; \ 8597174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ 860e705c121SKalle Valo } while (0) 861e705c121SKalle Valo 862e705c121SKalle Valo static void 863e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 864e705c121SKalle Valo struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, 865e705c121SKalle Valo enum ieee80211_ampdu_mlme_action action) 866e705c121SKalle Valo { 867e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 868e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 869e705c121SKalle Valo 870e705c121SKalle Valo if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA)) 871e705c121SKalle Valo return; 872e705c121SKalle Valo 873e705c121SKalle Valo trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA); 874e705c121SKalle Valo ba_trig = (void *)trig->data; 875e705c121SKalle Valo 8767174beb6SJohannes Berg if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt, 8777174beb6SJohannes Berg ieee80211_vif_to_wdev(vif), trig)) 878e705c121SKalle Valo return; 879e705c121SKalle Valo 880e705c121SKalle Valo switch (action) { 881e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: { 882e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 883e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 884e705c121SKalle Valo 885e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, 886e705c121SKalle Valo "TX AGG START: MAC %pM tid %d ssn %d\n", 887e705c121SKalle Valo sta->addr, tid, tid_data->ssn); 888e705c121SKalle Valo break; 889e705c121SKalle Valo } 890e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 891e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, 892e705c121SKalle Valo "TX AGG STOP: MAC %pM tid %d\n", 893e705c121SKalle Valo sta->addr, tid); 894e705c121SKalle Valo break; 895e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 896e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, 897e705c121SKalle Valo "RX AGG START: MAC %pM tid %d ssn %d\n", 898e705c121SKalle Valo sta->addr, tid, rx_ba_ssn); 899e705c121SKalle Valo break; 900e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 901e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, 902e705c121SKalle Valo "RX AGG STOP: MAC %pM tid %d\n", 903e705c121SKalle Valo sta->addr, tid); 904e705c121SKalle Valo break; 905e705c121SKalle Valo default: 906e705c121SKalle Valo break; 907e705c121SKalle Valo } 908e705c121SKalle Valo } 909e705c121SKalle Valo 910e705c121SKalle Valo static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, 911e705c121SKalle Valo struct ieee80211_vif *vif, 91250ea05efSSara Sharon struct ieee80211_ampdu_params *params) 913e705c121SKalle Valo { 914e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 915e705c121SKalle Valo int ret; 916e705c121SKalle Valo bool tx_agg_ref = false; 91750ea05efSSara Sharon struct ieee80211_sta *sta = params->sta; 91850ea05efSSara Sharon enum ieee80211_ampdu_mlme_action action = params->action; 91950ea05efSSara Sharon u16 tid = params->tid; 92050ea05efSSara Sharon u16 *ssn = ¶ms->ssn; 92150ea05efSSara Sharon u8 buf_size = params->buf_size; 922bb81bb68SEmmanuel Grumbach bool amsdu = params->amsdu; 92310b2b201SSara Sharon u16 timeout = params->timeout; 924e705c121SKalle Valo 925e705c121SKalle Valo IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", 926e705c121SKalle Valo sta->addr, tid, action); 927e705c121SKalle Valo 928e705c121SKalle Valo if (!(mvm->nvm_data->sku_cap_11n_enable)) 929e705c121SKalle Valo return -EACCES; 930e705c121SKalle Valo 931e705c121SKalle Valo /* return from D0i3 before starting a new Tx aggregation */ 932e705c121SKalle Valo switch (action) { 933e705c121SKalle Valo case IEEE80211_AMPDU_TX_START: 934e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 935e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH: 936e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 937e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: 938e705c121SKalle Valo /* 939e705c121SKalle Valo * for tx start, wait synchronously until D0i3 exit to 940e705c121SKalle Valo * get the correct sequence number for the tid. 941e705c121SKalle Valo * additionally, some other ampdu actions use direct 942e705c121SKalle Valo * target access, which is not handled automatically 943e705c121SKalle Valo * by the trans layer (unlike commands), so wait for 944e705c121SKalle Valo * d0i3 exit in these cases as well. 945e705c121SKalle Valo */ 946e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG); 947e705c121SKalle Valo if (ret) 948e705c121SKalle Valo return ret; 949e705c121SKalle Valo 950e705c121SKalle Valo tx_agg_ref = true; 951e705c121SKalle Valo break; 952e705c121SKalle Valo default: 953e705c121SKalle Valo break; 954e705c121SKalle Valo } 955e705c121SKalle Valo 956e705c121SKalle Valo mutex_lock(&mvm->mutex); 957e705c121SKalle Valo 958e705c121SKalle Valo switch (action) { 959e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 960e705c121SKalle Valo if (!iwl_enable_rx_ampdu(mvm->cfg)) { 961e705c121SKalle Valo ret = -EINVAL; 962e705c121SKalle Valo break; 963e705c121SKalle Valo } 96410b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, 96510b2b201SSara Sharon timeout); 966e705c121SKalle Valo break; 967e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 96810b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, 96910b2b201SSara Sharon timeout); 970e705c121SKalle Valo break; 971e705c121SKalle Valo case IEEE80211_AMPDU_TX_START: 972e705c121SKalle Valo if (!iwl_enable_tx_ampdu(mvm->cfg)) { 973e705c121SKalle Valo ret = -EINVAL; 974e705c121SKalle Valo break; 975e705c121SKalle Valo } 976e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); 977e705c121SKalle Valo break; 978e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 979e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); 980e705c121SKalle Valo break; 981e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH: 982e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 983e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); 984e705c121SKalle Valo break; 985e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: 986bb81bb68SEmmanuel Grumbach ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, 987bb81bb68SEmmanuel Grumbach buf_size, amsdu); 988e705c121SKalle Valo break; 989e705c121SKalle Valo default: 990e705c121SKalle Valo WARN_ON_ONCE(1); 991e705c121SKalle Valo ret = -EINVAL; 992e705c121SKalle Valo break; 993e705c121SKalle Valo } 994e705c121SKalle Valo 995e705c121SKalle Valo if (!ret) { 996e705c121SKalle Valo u16 rx_ba_ssn = 0; 997e705c121SKalle Valo 998e705c121SKalle Valo if (action == IEEE80211_AMPDU_RX_START) 999e705c121SKalle Valo rx_ba_ssn = *ssn; 1000e705c121SKalle Valo 1001e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, 1002e705c121SKalle Valo rx_ba_ssn, action); 1003e705c121SKalle Valo } 1004e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1005e705c121SKalle Valo 1006e705c121SKalle Valo /* 1007e705c121SKalle Valo * If the tid is marked as started, we won't use it for offloaded 1008e705c121SKalle Valo * traffic on the next D0i3 entry. It's safe to unref. 1009e705c121SKalle Valo */ 1010e705c121SKalle Valo if (tx_agg_ref) 1011e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG); 1012e705c121SKalle Valo 1013e705c121SKalle Valo return ret; 1014e705c121SKalle Valo } 1015e705c121SKalle Valo 1016e705c121SKalle Valo static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, 1017e705c121SKalle Valo struct ieee80211_vif *vif) 1018e705c121SKalle Valo { 1019e705c121SKalle Valo struct iwl_mvm *mvm = data; 1020e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1021e705c121SKalle Valo 1022e705c121SKalle Valo mvmvif->uploaded = false; 10230ae98812SSara Sharon mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; 1024e705c121SKalle Valo 1025e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 1026e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); 1027e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 1028e705c121SKalle Valo 1029e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1030e705c121SKalle Valo memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data)); 1031e705c121SKalle Valo } 1032e705c121SKalle Valo 1033e705c121SKalle Valo static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) 1034e705c121SKalle Valo { 1035e705c121SKalle Valo /* clear the D3 reconfig, we only need it to avoid dumping a 1036e705c121SKalle Valo * firmware coredump on reconfiguration, we shouldn't do that 1037e705c121SKalle Valo * on D3->D0 transition 1038e705c121SKalle Valo */ 1039e705c121SKalle Valo if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG, &mvm->status)) { 10407174beb6SJohannes Berg mvm->fwrt.dump.desc = &iwl_dump_desc_assert; 10417174beb6SJohannes Berg iwl_fw_error_dump(&mvm->fwrt); 1042e705c121SKalle Valo } 1043e705c121SKalle Valo 1044e705c121SKalle Valo /* cleanup all stale references (scan, roc), but keep the 1045e705c121SKalle Valo * ucode_down ref until reconfig is complete 1046e705c121SKalle Valo */ 1047e705c121SKalle Valo iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN); 1048e705c121SKalle Valo 1049fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1050e705c121SKalle Valo 1051e705c121SKalle Valo mvm->scan_status = 0; 1052e705c121SKalle Valo mvm->ps_disabled = false; 1053e705c121SKalle Valo mvm->calibrating = false; 1054e705c121SKalle Valo 1055e705c121SKalle Valo /* just in case one was running */ 1056305d236eSEliad Peller iwl_mvm_cleanup_roc_te(mvm); 1057e705c121SKalle Valo ieee80211_remain_on_channel_expired(mvm->hw); 1058e705c121SKalle Valo 1059e705c121SKalle Valo /* 1060e705c121SKalle Valo * cleanup all interfaces, even inactive ones, as some might have 1061e705c121SKalle Valo * gone down during the HW restart 1062e705c121SKalle Valo */ 1063e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); 1064e705c121SKalle Valo 1065e705c121SKalle Valo mvm->p2p_device_vif = NULL; 10660ae98812SSara Sharon mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA; 1067e705c121SKalle Valo 1068e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 10699c3deeb5SLuca Coelho memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); 1070e705c121SKalle Valo memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained)); 107124afba76SLiad Kaufman memset(mvm->sta_deferred_frames, 0, sizeof(mvm->sta_deferred_frames)); 1072e705c121SKalle Valo memset(mvm->tfd_drained, 0, sizeof(mvm->tfd_drained)); 1073e705c121SKalle Valo memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); 1074e705c121SKalle Valo memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); 1075e705c121SKalle Valo 1076e705c121SKalle Valo ieee80211_wake_queues(mvm->hw); 1077e705c121SKalle Valo 1078e705c121SKalle Valo /* clear any stale d0i3 state */ 1079e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); 1080e705c121SKalle Valo 1081e705c121SKalle Valo mvm->vif_count = 0; 1082e705c121SKalle Valo mvm->rx_ba_sessions = 0; 10837174beb6SJohannes Berg mvm->fwrt.dump.conf = FW_DBG_INVALID; 1084e705c121SKalle Valo 1085e705c121SKalle Valo /* keep statistics ticking */ 1086e705c121SKalle Valo iwl_mvm_accu_radio_stats(mvm); 1087e705c121SKalle Valo } 1088e705c121SKalle Valo 1089e705c121SKalle Valo int __iwl_mvm_mac_start(struct iwl_mvm *mvm) 1090e705c121SKalle Valo { 1091e705c121SKalle Valo int ret; 1092e705c121SKalle Valo 1093e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1094e705c121SKalle Valo 1095a42b2af3SLuca Coelho if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1096e705c121SKalle Valo /* Clean up some internal and mac80211 state on restart */ 1097e705c121SKalle Valo iwl_mvm_restart_cleanup(mvm); 1098a42b2af3SLuca Coelho } else { 1099a42b2af3SLuca Coelho /* Hold the reference to prevent runtime suspend while 1100a42b2af3SLuca Coelho * the start procedure runs. It's a bit confusing 1101a42b2af3SLuca Coelho * that the UCODE_DOWN reference is taken, but it just 1102a42b2af3SLuca Coelho * means "UCODE is not UP yet". ( TODO: rename this 1103a42b2af3SLuca Coelho * reference). 1104a42b2af3SLuca Coelho */ 1105a42b2af3SLuca Coelho iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); 1106a42b2af3SLuca Coelho } 1107e705c121SKalle Valo ret = iwl_mvm_up(mvm); 1108e705c121SKalle Valo 1109e705c121SKalle Valo if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1110e705c121SKalle Valo /* Something went wrong - we need to finish some cleanup 1111e705c121SKalle Valo * that normally iwl_mvm_mac_restart_complete() below 1112e705c121SKalle Valo * would do. 1113e705c121SKalle Valo */ 1114e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1115e705c121SKalle Valo iwl_mvm_d0i3_enable_tx(mvm, NULL); 1116e705c121SKalle Valo } 1117e705c121SKalle Valo 1118e705c121SKalle Valo return ret; 1119e705c121SKalle Valo } 1120e705c121SKalle Valo 1121e705c121SKalle Valo static int iwl_mvm_mac_start(struct ieee80211_hw *hw) 1122e705c121SKalle Valo { 1123e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1124e705c121SKalle Valo int ret; 1125e705c121SKalle Valo 1126e705c121SKalle Valo /* Some hw restart cleanups must not hold the mutex */ 1127e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1128e705c121SKalle Valo /* 1129e705c121SKalle Valo * Make sure we are out of d0i3. This is needed 1130e705c121SKalle Valo * to make sure the reference accounting is correct 1131e705c121SKalle Valo * (and there is no stale d0i3_exit_work). 1132e705c121SKalle Valo */ 1133e705c121SKalle Valo wait_event_timeout(mvm->d0i3_exit_waitq, 1134e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_IN_D0I3, 1135e705c121SKalle Valo &mvm->status), 1136e705c121SKalle Valo HZ); 1137e705c121SKalle Valo } 1138e705c121SKalle Valo 1139e705c121SKalle Valo mutex_lock(&mvm->mutex); 1140e705c121SKalle Valo ret = __iwl_mvm_mac_start(mvm); 1141e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1142e705c121SKalle Valo 1143e705c121SKalle Valo return ret; 1144e705c121SKalle Valo } 1145e705c121SKalle Valo 1146e705c121SKalle Valo static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 1147e705c121SKalle Valo { 1148e705c121SKalle Valo int ret; 1149e705c121SKalle Valo 1150e705c121SKalle Valo mutex_lock(&mvm->mutex); 1151e705c121SKalle Valo 1152e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1153e705c121SKalle Valo iwl_mvm_d0i3_enable_tx(mvm, NULL); 1154e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 1155e705c121SKalle Valo if (ret) 1156e705c121SKalle Valo IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", 1157e705c121SKalle Valo ret); 1158e705c121SKalle Valo 1159e705c121SKalle Valo /* allow transport/FW low power modes */ 1160e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN); 1161e705c121SKalle Valo 1162e705c121SKalle Valo /* 1163e705c121SKalle Valo * If we have TDLS peers, remove them. We don't know the last seqno/PN 1164e705c121SKalle Valo * of packets the FW sent out, so we must reconnect. 1165e705c121SKalle Valo */ 1166e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 1167e705c121SKalle Valo 1168e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1169e705c121SKalle Valo } 1170e705c121SKalle Valo 1171e705c121SKalle Valo static void iwl_mvm_resume_complete(struct iwl_mvm *mvm) 1172e705c121SKalle Valo { 1173b7282643SLuca Coelho if (iwl_mvm_is_d0i3_supported(mvm) && 1174b7282643SLuca Coelho iwl_mvm_enter_d0i3_on_suspend(mvm)) 1175b7282643SLuca Coelho WARN_ONCE(!wait_event_timeout(mvm->d0i3_exit_waitq, 1176e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_IN_D0I3, 1177e705c121SKalle Valo &mvm->status), 1178b7282643SLuca Coelho HZ), 1179b7282643SLuca Coelho "D0i3 exit on resume timed out\n"); 1180e705c121SKalle Valo } 1181e705c121SKalle Valo 1182e705c121SKalle Valo static void 1183e705c121SKalle Valo iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, 1184e705c121SKalle Valo enum ieee80211_reconfig_type reconfig_type) 1185e705c121SKalle Valo { 1186e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1187e705c121SKalle Valo 1188e705c121SKalle Valo switch (reconfig_type) { 1189e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_RESTART: 1190e705c121SKalle Valo iwl_mvm_restart_complete(mvm); 1191e705c121SKalle Valo break; 1192e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_SUSPEND: 1193e705c121SKalle Valo iwl_mvm_resume_complete(mvm); 1194e705c121SKalle Valo break; 1195e705c121SKalle Valo } 1196e705c121SKalle Valo } 1197e705c121SKalle Valo 1198e705c121SKalle Valo void __iwl_mvm_mac_stop(struct iwl_mvm *mvm) 1199e705c121SKalle Valo { 1200e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1201e705c121SKalle Valo 1202e705c121SKalle Valo /* firmware counters are obviously reset now, but we shouldn't 1203e705c121SKalle Valo * partially track so also clear the fw_reset_accu counters. 1204e705c121SKalle Valo */ 1205e705c121SKalle Valo memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); 1206e705c121SKalle Valo 1207e705c121SKalle Valo /* async_handlers_wk is now blocked */ 1208e705c121SKalle Valo 1209e705c121SKalle Valo /* 1210e705c121SKalle Valo * The work item could be running or queued if the 1211e705c121SKalle Valo * ROC time event stops just as we get here. 1212e705c121SKalle Valo */ 1213e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 1214e705c121SKalle Valo 1215fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1216e705c121SKalle Valo 1217e705c121SKalle Valo iwl_mvm_async_handlers_purge(mvm); 1218e705c121SKalle Valo /* async_handlers_list is empty and will stay empty: HW is stopped */ 1219e705c121SKalle Valo 1220e705c121SKalle Valo /* the fw is stopped, the aux sta is dead: clean up driver state */ 1221e705c121SKalle Valo iwl_mvm_del_aux_sta(mvm); 1222e705c121SKalle Valo 1223e705c121SKalle Valo /* 1224e705c121SKalle Valo * Clear IN_HW_RESTART flag when stopping the hw (as restart_complete() 1225e705c121SKalle Valo * won't be called in this case). 1226e705c121SKalle Valo * But make sure to cleanup interfaces that have gone down before/during 1227e705c121SKalle Valo * HW restart was requested. 1228e705c121SKalle Valo */ 1229e705c121SKalle Valo if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1230e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, 1231e705c121SKalle Valo iwl_mvm_cleanup_iterator, mvm); 1232e705c121SKalle Valo 1233e705c121SKalle Valo /* We shouldn't have any UIDs still set. Loop over all the UIDs to 1234e705c121SKalle Valo * make sure there's nothing left there and warn if any is found. 1235e705c121SKalle Valo */ 1236e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1237e705c121SKalle Valo int i; 1238e705c121SKalle Valo 1239e705c121SKalle Valo for (i = 0; i < mvm->max_scans; i++) { 1240e705c121SKalle Valo if (WARN_ONCE(mvm->scan_uid_status[i], 1241e705c121SKalle Valo "UMAC scan UID %d status was not cleaned\n", 1242e705c121SKalle Valo i)) 1243e705c121SKalle Valo mvm->scan_uid_status[i] = 0; 1244e705c121SKalle Valo } 1245e705c121SKalle Valo } 1246e705c121SKalle Valo } 1247e705c121SKalle Valo 1248e705c121SKalle Valo static void iwl_mvm_mac_stop(struct ieee80211_hw *hw) 1249e705c121SKalle Valo { 1250e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1251e705c121SKalle Valo 1252e705c121SKalle Valo flush_work(&mvm->d0i3_exit_work); 1253e705c121SKalle Valo flush_work(&mvm->async_handlers_wk); 125424afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 1255771147b0SJohannes Berg 1256771147b0SJohannes Berg /* 1257771147b0SJohannes Berg * Lock and clear the firmware running bit here already, so that 1258771147b0SJohannes Berg * new commands coming in elsewhere, e.g. from debugfs, will not 1259771147b0SJohannes Berg * be able to proceed. This is important here because one of those 12607174beb6SJohannes Berg * debugfs files causes the firmware dump to be triggered, and if we 1261771147b0SJohannes Berg * don't stop debugfs accesses before canceling that it could be 1262771147b0SJohannes Berg * retriggered after we flush it but before we've cleared the bit. 1263771147b0SJohannes Berg */ 1264771147b0SJohannes Berg clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1265771147b0SJohannes Berg 12667174beb6SJohannes Berg iwl_fw_cancel_dump(&mvm->fwrt); 1267d3a108a4SAndrei Otcheretianski cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); 126869e04642SLuca Coelho cancel_delayed_work_sync(&mvm->scan_timeout_dwork); 12697174beb6SJohannes Berg iwl_fw_free_dump_desc(&mvm->fwrt); 1270e705c121SKalle Valo 1271e705c121SKalle Valo mutex_lock(&mvm->mutex); 1272e705c121SKalle Valo __iwl_mvm_mac_stop(mvm); 1273e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1274e705c121SKalle Valo 1275e705c121SKalle Valo /* 1276e705c121SKalle Valo * The worker might have been waiting for the mutex, let it run and 1277e705c121SKalle Valo * discover that its list is now empty. 1278e705c121SKalle Valo */ 1279e705c121SKalle Valo cancel_work_sync(&mvm->async_handlers_wk); 1280e705c121SKalle Valo } 1281e705c121SKalle Valo 1282e705c121SKalle Valo static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) 1283e705c121SKalle Valo { 1284e705c121SKalle Valo u16 i; 1285e705c121SKalle Valo 1286e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1287e705c121SKalle Valo 1288e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) 1289e705c121SKalle Valo if (!mvm->phy_ctxts[i].ref) 1290e705c121SKalle Valo return &mvm->phy_ctxts[i]; 1291e705c121SKalle Valo 1292e705c121SKalle Valo IWL_ERR(mvm, "No available PHY context\n"); 1293e705c121SKalle Valo return NULL; 1294e705c121SKalle Valo } 1295e705c121SKalle Valo 1296e705c121SKalle Valo static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1297e705c121SKalle Valo s16 tx_power) 1298e705c121SKalle Valo { 1299e705c121SKalle Valo struct iwl_dev_tx_power_cmd cmd = { 13004b87e5afSLuca Coelho .v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), 13014b87e5afSLuca Coelho .v3.mac_context_id = 1302e705c121SKalle Valo cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), 13034b87e5afSLuca Coelho .v3.pwr_restriction = cpu_to_le16(8 * tx_power), 1304e705c121SKalle Valo }; 1305e705c121SKalle Valo int len = sizeof(cmd); 1306e705c121SKalle Valo 1307e705c121SKalle Valo if (tx_power == IWL_DEFAULT_MAX_TX_POWER) 13084b87e5afSLuca Coelho cmd.v3.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); 1309e705c121SKalle Valo 131055bfa4b9SLuca Coelho if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 131155bfa4b9SLuca Coelho len = sizeof(cmd.v3); 1312e705c121SKalle Valo 1313e705c121SKalle Valo return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); 1314e705c121SKalle Valo } 1315e705c121SKalle Valo 1316e705c121SKalle Valo static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 1317e705c121SKalle Valo struct ieee80211_vif *vif) 1318e705c121SKalle Valo { 1319e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1320e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1321e705c121SKalle Valo int ret; 1322e705c121SKalle Valo 1323e705c121SKalle Valo mvmvif->mvm = mvm; 1324e705c121SKalle Valo 1325e705c121SKalle Valo /* 1326e705c121SKalle Valo * make sure D0i3 exit is completed, otherwise a target access 1327e705c121SKalle Valo * during tx queue configuration could be done when still in 1328e705c121SKalle Valo * D0i3 state. 1329e705c121SKalle Valo */ 1330e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF); 1331e705c121SKalle Valo if (ret) 1332e705c121SKalle Valo return ret; 1333e705c121SKalle Valo 1334e705c121SKalle Valo /* 1335e705c121SKalle Valo * Not much to do here. The stack will not allow interface 1336e705c121SKalle Valo * types or combinations that we didn't advertise, so we 1337e705c121SKalle Valo * don't really have to check the types. 1338e705c121SKalle Valo */ 1339e705c121SKalle Valo 1340e705c121SKalle Valo mutex_lock(&mvm->mutex); 1341e705c121SKalle Valo 1342e705c121SKalle Valo /* make sure that beacon statistics don't go backwards with FW reset */ 1343e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1344e705c121SKalle Valo mvmvif->beacon_stats.accu_num_beacons += 1345e705c121SKalle Valo mvmvif->beacon_stats.num_beacons; 1346e705c121SKalle Valo 1347e705c121SKalle Valo /* Allocate resources for the MAC context, and add it to the fw */ 1348e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_init(mvm, vif); 1349e705c121SKalle Valo if (ret) 1350e705c121SKalle Valo goto out_unlock; 1351e705c121SKalle Valo 1352e705c121SKalle Valo /* Counting number of interfaces is needed for legacy PM */ 1353e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_P2P_DEVICE) 1354e705c121SKalle Valo mvm->vif_count++; 1355e705c121SKalle Valo 1356e705c121SKalle Valo /* 1357e705c121SKalle Valo * The AP binding flow can be done only after the beacon 1358e705c121SKalle Valo * template is configured (which happens only in the mac80211 1359e705c121SKalle Valo * start_ap() flow), and adding the broadcast station can happen 1360e705c121SKalle Valo * only after the binding. 1361e705c121SKalle Valo * In addition, since modifying the MAC before adding a bcast 1362e705c121SKalle Valo * station is not allowed by the FW, delay the adding of MAC context to 1363e705c121SKalle Valo * the point where we can also add the bcast station. 1364e705c121SKalle Valo * In short: there's not much we can do at this point, other than 1365e705c121SKalle Valo * allocating resources :) 1366e705c121SKalle Valo */ 1367e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1368e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 1369e705c121SKalle Valo ret = iwl_mvm_alloc_bcast_sta(mvm, vif); 1370e705c121SKalle Valo if (ret) { 1371e705c121SKalle Valo IWL_ERR(mvm, "Failed to allocate bcast sta\n"); 1372e705c121SKalle Valo goto out_release; 1373e705c121SKalle Valo } 1374e705c121SKalle Valo 137526d6c16bSSara Sharon if (iwl_mvm_is_dqa_supported(mvm)) { 137626d6c16bSSara Sharon /* 137726d6c16bSSara Sharon * Only queue for this station is the mcast queue, 137826d6c16bSSara Sharon * which shouldn't be in TFD mask anyway 137926d6c16bSSara Sharon */ 138026d6c16bSSara Sharon ret = iwl_mvm_allocate_int_sta(mvm, &mvmvif->mcast_sta, 1381ced19f26SSara Sharon 0, vif->type, 1382ced19f26SSara Sharon IWL_STA_MULTICAST); 138326d6c16bSSara Sharon if (ret) 138426d6c16bSSara Sharon goto out_release; 138526d6c16bSSara Sharon } 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 1431e705c121SKalle Valo ret = iwl_mvm_add_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 1460e705c121SKalle Valo iwl_mvm_mac_ctxt_release(mvm, vif); 1461e705c121SKalle Valo out_unlock: 1462e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1463e705c121SKalle Valo 1464e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF); 1465e705c121SKalle Valo 1466e705c121SKalle Valo return ret; 1467e705c121SKalle Valo } 1468e705c121SKalle Valo 1469e705c121SKalle Valo static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1470e705c121SKalle Valo struct ieee80211_vif *vif) 1471e705c121SKalle Valo { 1472e705c121SKalle Valo u32 tfd_msk = iwl_mvm_mac_get_queues_mask(vif); 1473e705c121SKalle Valo 1474d49394a1SSara Sharon if (tfd_msk && !iwl_mvm_is_dqa_supported(mvm)) { 1475e705c121SKalle Valo /* 1476e705c121SKalle Valo * mac80211 first removes all the stations of the vif and 1477e705c121SKalle Valo * then removes the vif. When it removes a station it also 1478e705c121SKalle Valo * flushes the AMPDU session. So by now, all the AMPDU sessions 1479e705c121SKalle Valo * of all the stations of this vif are closed, and the queues 1480e705c121SKalle Valo * of these AMPDU sessions are properly closed. 1481e705c121SKalle Valo * We still need to take care of the shared queues of the vif. 1482e705c121SKalle Valo * Flush them here. 1483d49394a1SSara Sharon * For DQA mode there is no need - broacast and multicast queue 1484d49394a1SSara Sharon * are flushed separately. 1485e705c121SKalle Valo */ 1486e705c121SKalle Valo mutex_lock(&mvm->mutex); 1487e705c121SKalle Valo iwl_mvm_flush_tx_path(mvm, tfd_msk, 0); 1488e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1489e705c121SKalle Valo 1490e705c121SKalle Valo /* 1491e705c121SKalle Valo * There are transports that buffer a few frames in the host. 1492e705c121SKalle Valo * For these, the flush above isn't enough since while we were 1493e705c121SKalle Valo * flushing, the transport might have sent more frames to the 1494e705c121SKalle Valo * device. To solve this, wait here until the transport is 1495e705c121SKalle Valo * empty. Technically, this could have replaced the flush 1496e705c121SKalle Valo * above, but flush is much faster than draining. So flush 1497e705c121SKalle Valo * first, and drain to make sure we have no frames in the 1498e705c121SKalle Valo * transport anymore. 1499e705c121SKalle Valo * If a station still had frames on the shared queues, it is 1500e705c121SKalle Valo * already marked as draining, so to complete the draining, we 1501e705c121SKalle Valo * just need to wait until the transport is empty. 1502e705c121SKalle Valo */ 1503a1a57877SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, tfd_msk); 1504e705c121SKalle Valo } 1505e705c121SKalle Valo 1506e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1507e705c121SKalle Valo /* 1508e705c121SKalle Valo * Flush the ROC worker which will flush the OFFCHANNEL queue. 1509e705c121SKalle Valo * We assume here that all the packets sent to the OFFCHANNEL 1510e705c121SKalle Valo * queue are sent in ROC session. 1511e705c121SKalle Valo */ 1512e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 1513e705c121SKalle Valo } else { 1514e705c121SKalle Valo /* 1515e705c121SKalle Valo * By now, all the AC queues are empty. The AGG queues are 1516e705c121SKalle Valo * empty too. We already got all the Tx responses for all the 1517e705c121SKalle Valo * packets in the queues. The drain work can have been 1518e705c121SKalle Valo * triggered. Flush it. 1519e705c121SKalle Valo */ 1520e705c121SKalle Valo flush_work(&mvm->sta_drained_wk); 1521e705c121SKalle Valo } 1522e705c121SKalle Valo } 1523e705c121SKalle Valo 1524e705c121SKalle Valo static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 1525e705c121SKalle Valo struct ieee80211_vif *vif) 1526e705c121SKalle Valo { 1527e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1528e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1529e705c121SKalle Valo 1530e705c121SKalle Valo iwl_mvm_prepare_mac_removal(mvm, vif); 1531e705c121SKalle Valo 1532e705c121SKalle Valo mutex_lock(&mvm->mutex); 1533e705c121SKalle Valo 1534e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1535e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1536e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1537e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1538e705c121SKalle Valo } 1539e705c121SKalle Valo 1540e705c121SKalle Valo iwl_mvm_vif_dbgfs_clean(mvm, vif); 1541e705c121SKalle Valo 1542e705c121SKalle Valo /* 1543e705c121SKalle Valo * For AP/GO interface, the tear down of the resources allocated to the 1544e705c121SKalle Valo * interface is be handled as part of the stop_ap flow. 1545e705c121SKalle Valo */ 1546e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1547e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 1548e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 1549e705c121SKalle Valo if (vif == mvm->noa_vif) { 1550e705c121SKalle Valo mvm->noa_vif = NULL; 1551e705c121SKalle Valo mvm->noa_duration = 0; 1552e705c121SKalle Valo } 1553e705c121SKalle Valo #endif 155426d6c16bSSara Sharon iwl_mvm_dealloc_int_sta(mvm, &mvmvif->mcast_sta); 1555e705c121SKalle Valo iwl_mvm_dealloc_bcast_sta(mvm, vif); 1556e705c121SKalle Valo goto out_release; 1557e705c121SKalle Valo } 1558e705c121SKalle Valo 1559e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1560e705c121SKalle Valo mvm->p2p_device_vif = NULL; 1561e705c121SKalle Valo iwl_mvm_rm_bcast_sta(mvm, vif); 1562e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1563e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 1564e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1565e705c121SKalle Valo } 1566e705c121SKalle Valo 1567e705c121SKalle Valo if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE) 1568e705c121SKalle Valo mvm->vif_count--; 1569e705c121SKalle Valo 1570e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 1571e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1572e705c121SKalle Valo 1573e705c121SKalle Valo out_release: 1574e705c121SKalle Valo iwl_mvm_mac_ctxt_release(mvm, vif); 1575e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1576e705c121SKalle Valo } 1577e705c121SKalle Valo 1578e705c121SKalle Valo static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed) 1579e705c121SKalle Valo { 1580e705c121SKalle Valo return 0; 1581e705c121SKalle Valo } 1582e705c121SKalle Valo 1583e705c121SKalle Valo struct iwl_mvm_mc_iter_data { 1584e705c121SKalle Valo struct iwl_mvm *mvm; 1585e705c121SKalle Valo int port_id; 1586e705c121SKalle Valo }; 1587e705c121SKalle Valo 1588e705c121SKalle Valo static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 1589e705c121SKalle Valo struct ieee80211_vif *vif) 1590e705c121SKalle Valo { 1591e705c121SKalle Valo struct iwl_mvm_mc_iter_data *data = _data; 1592e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1593e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 1594e705c121SKalle Valo int ret, len; 1595e705c121SKalle Valo 1596e705c121SKalle Valo /* if we don't have free ports, mcast frames will be dropped */ 1597e705c121SKalle Valo if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 1598e705c121SKalle Valo return; 1599e705c121SKalle Valo 1600e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || 1601e705c121SKalle Valo !vif->bss_conf.assoc) 1602e705c121SKalle Valo return; 1603e705c121SKalle Valo 1604e705c121SKalle Valo cmd->port_id = data->port_id++; 1605e705c121SKalle Valo memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 1606e705c121SKalle Valo len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 1607e705c121SKalle Valo 1608e705c121SKalle Valo ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_ASYNC, len, cmd); 1609e705c121SKalle Valo if (ret) 1610e705c121SKalle Valo IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 1611e705c121SKalle Valo } 1612e705c121SKalle Valo 1613e705c121SKalle Valo static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 1614e705c121SKalle Valo { 1615e705c121SKalle Valo struct iwl_mvm_mc_iter_data iter_data = { 1616e705c121SKalle Valo .mvm = mvm, 1617e705c121SKalle Valo }; 1618e705c121SKalle Valo 1619e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1620e705c121SKalle Valo 1621e705c121SKalle Valo if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 1622e705c121SKalle Valo return; 1623e705c121SKalle Valo 1624e705c121SKalle Valo ieee80211_iterate_active_interfaces_atomic( 1625e705c121SKalle Valo mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1626e705c121SKalle Valo iwl_mvm_mc_iface_iterator, &iter_data); 1627e705c121SKalle Valo } 1628e705c121SKalle Valo 1629e705c121SKalle Valo static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 1630e705c121SKalle Valo struct netdev_hw_addr_list *mc_list) 1631e705c121SKalle Valo { 1632e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1633e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd; 1634e705c121SKalle Valo struct netdev_hw_addr *addr; 1635e705c121SKalle Valo int addr_count; 1636e705c121SKalle Valo bool pass_all; 1637e705c121SKalle Valo int len; 1638e705c121SKalle Valo 1639e705c121SKalle Valo addr_count = netdev_hw_addr_list_count(mc_list); 1640e705c121SKalle Valo pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 1641e705c121SKalle Valo IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 1642e705c121SKalle Valo if (pass_all) 1643e705c121SKalle Valo addr_count = 0; 1644e705c121SKalle Valo 1645e705c121SKalle Valo len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 1646e705c121SKalle Valo cmd = kzalloc(len, GFP_ATOMIC); 1647e705c121SKalle Valo if (!cmd) 1648e705c121SKalle Valo return 0; 1649e705c121SKalle Valo 1650e705c121SKalle Valo if (pass_all) { 1651e705c121SKalle Valo cmd->pass_all = 1; 1652e705c121SKalle Valo return (u64)(unsigned long)cmd; 1653e705c121SKalle Valo } 1654e705c121SKalle Valo 1655e705c121SKalle Valo netdev_hw_addr_list_for_each(addr, mc_list) { 1656e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 1657e705c121SKalle Valo cmd->count, addr->addr); 1658e705c121SKalle Valo memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 1659e705c121SKalle Valo addr->addr, ETH_ALEN); 1660e705c121SKalle Valo cmd->count++; 1661e705c121SKalle Valo } 1662e705c121SKalle Valo 1663e705c121SKalle Valo return (u64)(unsigned long)cmd; 1664e705c121SKalle Valo } 1665e705c121SKalle Valo 1666e705c121SKalle Valo static void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 1667e705c121SKalle Valo unsigned int changed_flags, 1668e705c121SKalle Valo unsigned int *total_flags, 1669e705c121SKalle Valo u64 multicast) 1670e705c121SKalle Valo { 1671e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1672e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; 1673e705c121SKalle Valo 1674e705c121SKalle Valo mutex_lock(&mvm->mutex); 1675e705c121SKalle Valo 1676e705c121SKalle Valo /* replace previous configuration */ 1677e705c121SKalle Valo kfree(mvm->mcast_filter_cmd); 1678e705c121SKalle Valo mvm->mcast_filter_cmd = cmd; 1679e705c121SKalle Valo 1680e705c121SKalle Valo if (!cmd) 1681e705c121SKalle Valo goto out; 1682e705c121SKalle Valo 1683e705c121SKalle Valo iwl_mvm_recalc_multicast(mvm); 1684e705c121SKalle Valo out: 1685e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1686e705c121SKalle Valo *total_flags = 0; 1687e705c121SKalle Valo } 1688e705c121SKalle Valo 1689e705c121SKalle Valo static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 1690e705c121SKalle Valo struct ieee80211_vif *vif, 1691e705c121SKalle Valo unsigned int filter_flags, 1692e705c121SKalle Valo unsigned int changed_flags) 1693e705c121SKalle Valo { 1694e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1695e705c121SKalle Valo 1696e705c121SKalle Valo /* We support only filter for probe requests */ 1697e705c121SKalle Valo if (!(changed_flags & FIF_PROBE_REQ)) 1698e705c121SKalle Valo return; 1699e705c121SKalle Valo 1700e705c121SKalle Valo /* Supported only for p2p client interfaces */ 1701e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc || 1702e705c121SKalle Valo !vif->p2p) 1703e705c121SKalle Valo return; 1704e705c121SKalle Valo 1705e705c121SKalle Valo mutex_lock(&mvm->mutex); 1706e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1707e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1708e705c121SKalle Valo } 1709e705c121SKalle Valo 1710e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 1711e705c121SKalle Valo struct iwl_bcast_iter_data { 1712e705c121SKalle Valo struct iwl_mvm *mvm; 1713e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd; 1714e705c121SKalle Valo u8 current_filter; 1715e705c121SKalle Valo }; 1716e705c121SKalle Valo 1717e705c121SKalle Valo static void 1718e705c121SKalle Valo iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif, 1719e705c121SKalle Valo const struct iwl_fw_bcast_filter *in_filter, 1720e705c121SKalle Valo struct iwl_fw_bcast_filter *out_filter) 1721e705c121SKalle Valo { 1722e705c121SKalle Valo struct iwl_fw_bcast_filter_attr *attr; 1723e705c121SKalle Valo int i; 1724e705c121SKalle Valo 1725e705c121SKalle Valo memcpy(out_filter, in_filter, sizeof(*out_filter)); 1726e705c121SKalle Valo 1727e705c121SKalle Valo for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) { 1728e705c121SKalle Valo attr = &out_filter->attrs[i]; 1729e705c121SKalle Valo 1730e705c121SKalle Valo if (!attr->mask) 1731e705c121SKalle Valo break; 1732e705c121SKalle Valo 1733e705c121SKalle Valo switch (attr->reserved1) { 1734e705c121SKalle Valo case cpu_to_le16(BC_FILTER_MAGIC_IP): 1735e705c121SKalle Valo if (vif->bss_conf.arp_addr_cnt != 1) { 1736e705c121SKalle Valo attr->mask = 0; 1737e705c121SKalle Valo continue; 1738e705c121SKalle Valo } 1739e705c121SKalle Valo 1740e705c121SKalle Valo attr->val = vif->bss_conf.arp_addr_list[0]; 1741e705c121SKalle Valo break; 1742e705c121SKalle Valo case cpu_to_le16(BC_FILTER_MAGIC_MAC): 1743e705c121SKalle Valo attr->val = *(__be32 *)&vif->addr[2]; 1744e705c121SKalle Valo break; 1745e705c121SKalle Valo default: 1746e705c121SKalle Valo break; 1747e705c121SKalle Valo } 1748e705c121SKalle Valo attr->reserved1 = 0; 1749e705c121SKalle Valo out_filter->num_attrs++; 1750e705c121SKalle Valo } 1751e705c121SKalle Valo } 1752e705c121SKalle Valo 1753e705c121SKalle Valo static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac, 1754e705c121SKalle Valo struct ieee80211_vif *vif) 1755e705c121SKalle Valo { 1756e705c121SKalle Valo struct iwl_bcast_iter_data *data = _data; 1757e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1758e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd = data->cmd; 1759e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1760e705c121SKalle Valo struct iwl_fw_bcast_mac *bcast_mac; 1761e705c121SKalle Valo int i; 1762e705c121SKalle Valo 1763e705c121SKalle Valo if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs))) 1764e705c121SKalle Valo return; 1765e705c121SKalle Valo 1766e705c121SKalle Valo bcast_mac = &cmd->macs[mvmvif->id]; 1767e705c121SKalle Valo 1768e705c121SKalle Valo /* 1769e705c121SKalle Valo * enable filtering only for associated stations, but not for P2P 1770e705c121SKalle Valo * Clients 1771e705c121SKalle Valo */ 1772e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || vif->p2p || 1773e705c121SKalle Valo !vif->bss_conf.assoc) 1774e705c121SKalle Valo return; 1775e705c121SKalle Valo 1776e705c121SKalle Valo bcast_mac->default_discard = 1; 1777e705c121SKalle Valo 1778e705c121SKalle Valo /* copy all configured filters */ 1779e705c121SKalle Valo for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) { 1780e705c121SKalle Valo /* 1781e705c121SKalle Valo * Make sure we don't exceed our filters limit. 1782e705c121SKalle Valo * if there is still a valid filter to be configured, 1783e705c121SKalle Valo * be on the safe side and just allow bcast for this mac. 1784e705c121SKalle Valo */ 1785e705c121SKalle Valo if (WARN_ON_ONCE(data->current_filter >= 1786e705c121SKalle Valo ARRAY_SIZE(cmd->filters))) { 1787e705c121SKalle Valo bcast_mac->default_discard = 0; 1788e705c121SKalle Valo bcast_mac->attached_filters = 0; 1789e705c121SKalle Valo break; 1790e705c121SKalle Valo } 1791e705c121SKalle Valo 1792e705c121SKalle Valo iwl_mvm_set_bcast_filter(vif, 1793e705c121SKalle Valo &mvm->bcast_filters[i], 1794e705c121SKalle Valo &cmd->filters[data->current_filter]); 1795e705c121SKalle Valo 1796e705c121SKalle Valo /* skip current filter if it contains no attributes */ 1797e705c121SKalle Valo if (!cmd->filters[data->current_filter].num_attrs) 1798e705c121SKalle Valo continue; 1799e705c121SKalle Valo 1800e705c121SKalle Valo /* attach the filter to current mac */ 1801e705c121SKalle Valo bcast_mac->attached_filters |= 1802e705c121SKalle Valo cpu_to_le16(BIT(data->current_filter)); 1803e705c121SKalle Valo 1804e705c121SKalle Valo data->current_filter++; 1805e705c121SKalle Valo } 1806e705c121SKalle Valo } 1807e705c121SKalle Valo 1808e705c121SKalle Valo bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm, 1809e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd) 1810e705c121SKalle Valo { 1811e705c121SKalle Valo struct iwl_bcast_iter_data iter_data = { 1812e705c121SKalle Valo .mvm = mvm, 1813e705c121SKalle Valo .cmd = cmd, 1814e705c121SKalle Valo }; 1815e705c121SKalle Valo 1816e705c121SKalle Valo if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL) 1817e705c121SKalle Valo return false; 1818e705c121SKalle Valo 1819e705c121SKalle Valo memset(cmd, 0, sizeof(*cmd)); 1820e705c121SKalle Valo cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters); 1821e705c121SKalle Valo cmd->max_macs = ARRAY_SIZE(cmd->macs); 1822e705c121SKalle Valo 1823e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_DEBUGFS 1824e705c121SKalle Valo /* use debugfs filters/macs if override is configured */ 1825e705c121SKalle Valo if (mvm->dbgfs_bcast_filtering.override) { 1826e705c121SKalle Valo memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters, 1827e705c121SKalle Valo sizeof(cmd->filters)); 1828e705c121SKalle Valo memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs, 1829e705c121SKalle Valo sizeof(cmd->macs)); 1830e705c121SKalle Valo return true; 1831e705c121SKalle Valo } 1832e705c121SKalle Valo #endif 1833e705c121SKalle Valo 1834e705c121SKalle Valo /* if no filters are configured, do nothing */ 1835e705c121SKalle Valo if (!mvm->bcast_filters) 1836e705c121SKalle Valo return false; 1837e705c121SKalle Valo 1838e705c121SKalle Valo /* configure and attach these filters for each associated sta vif */ 1839e705c121SKalle Valo ieee80211_iterate_active_interfaces( 1840e705c121SKalle Valo mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1841e705c121SKalle Valo iwl_mvm_bcast_filter_iterator, &iter_data); 1842e705c121SKalle Valo 1843e705c121SKalle Valo return true; 1844e705c121SKalle Valo } 184534672bb3SEliad Peller 184634672bb3SEliad Peller static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm) 1847e705c121SKalle Valo { 1848e705c121SKalle Valo struct iwl_bcast_filter_cmd cmd; 1849e705c121SKalle Valo 1850e705c121SKalle Valo if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING)) 1851e705c121SKalle Valo return 0; 1852e705c121SKalle Valo 1853e705c121SKalle Valo if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) 1854e705c121SKalle Valo return 0; 1855e705c121SKalle Valo 1856e705c121SKalle Valo return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, 1857e705c121SKalle Valo sizeof(cmd), &cmd); 1858e705c121SKalle Valo } 1859e705c121SKalle Valo #else 186034672bb3SEliad Peller static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm) 1861e705c121SKalle Valo { 1862e705c121SKalle Valo return 0; 1863e705c121SKalle Valo } 1864e705c121SKalle Valo #endif 1865e705c121SKalle Valo 1866a07a8f37SSara Sharon static int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, 1867a07a8f37SSara Sharon struct ieee80211_vif *vif) 1868a07a8f37SSara Sharon { 1869a07a8f37SSara Sharon struct iwl_mu_group_mgmt_cmd cmd = {}; 1870a07a8f37SSara Sharon 1871a07a8f37SSara Sharon memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 1872a07a8f37SSara Sharon WLAN_MEMBERSHIP_LEN); 1873a07a8f37SSara Sharon memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 1874a07a8f37SSara Sharon WLAN_USER_POSITION_LEN); 1875a07a8f37SSara Sharon 1876a07a8f37SSara Sharon return iwl_mvm_send_cmd_pdu(mvm, 1877a07a8f37SSara Sharon WIDE_ID(DATA_PATH_GROUP, 1878a07a8f37SSara Sharon UPDATE_MU_GROUPS_CMD), 1879a07a8f37SSara Sharon 0, sizeof(cmd), &cmd); 1880a07a8f37SSara Sharon } 1881a07a8f37SSara Sharon 1882f92659a1SSara Sharon static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 1883f92659a1SSara Sharon struct ieee80211_vif *vif) 1884f92659a1SSara Sharon { 1885f92659a1SSara Sharon if (vif->mu_mimo_owner) { 1886f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = _data; 1887f92659a1SSara Sharon 1888f92659a1SSara Sharon /* 1889f92659a1SSara Sharon * MU-MIMO Group Id action frame is little endian. We treat 1890f92659a1SSara Sharon * the data received from firmware as if it came from the 1891f92659a1SSara Sharon * action frame, so no conversion is needed. 1892f92659a1SSara Sharon */ 1893f92659a1SSara Sharon ieee80211_update_mu_groups(vif, 1894f92659a1SSara Sharon (u8 *)¬if->membership_status, 1895f92659a1SSara Sharon (u8 *)¬if->user_position); 1896f92659a1SSara Sharon } 1897f92659a1SSara Sharon } 1898f92659a1SSara Sharon 1899f92659a1SSara Sharon void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 1900f92659a1SSara Sharon struct iwl_rx_cmd_buffer *rxb) 1901f92659a1SSara Sharon { 1902f92659a1SSara Sharon struct iwl_rx_packet *pkt = rxb_addr(rxb); 1903f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 1904f92659a1SSara Sharon 1905f92659a1SSara Sharon ieee80211_iterate_active_interfaces_atomic( 1906f92659a1SSara Sharon mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1907f92659a1SSara Sharon iwl_mvm_mu_mimo_iface_iterator, notif); 1908f92659a1SSara Sharon } 1909f92659a1SSara Sharon 1910e705c121SKalle Valo static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 1911e705c121SKalle Valo struct ieee80211_vif *vif, 1912e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 1913e705c121SKalle Valo u32 changes) 1914e705c121SKalle Valo { 1915e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1916e705c121SKalle Valo int ret; 1917e705c121SKalle Valo 1918e705c121SKalle Valo /* 1919e705c121SKalle Valo * Re-calculate the tsf id, as the master-slave relations depend on the 1920e705c121SKalle Valo * beacon interval, which was not known when the station interface was 1921e705c121SKalle Valo * added. 1922e705c121SKalle Valo */ 1923e705c121SKalle Valo if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc) 1924e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 1925e705c121SKalle Valo 192603098268SAviya Erenfeld if (changes & BSS_CHANGED_ASSOC && !bss_conf->assoc && 192703098268SAviya Erenfeld mvmvif->lqm_active) 192803098268SAviya Erenfeld iwl_mvm_send_lqm_cmd(vif, LQM_CMD_OPERATION_STOP_MEASUREMENT, 192903098268SAviya Erenfeld 0, 0); 193003098268SAviya Erenfeld 1931e705c121SKalle Valo /* 1932e705c121SKalle Valo * If we're not associated yet, take the (new) BSSID before associating 1933e705c121SKalle Valo * so the firmware knows. If we're already associated, then use the old 1934e705c121SKalle Valo * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 1935e705c121SKalle Valo * branch for disassociation below. 1936e705c121SKalle Valo */ 1937e705c121SKalle Valo if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 1938e705c121SKalle Valo memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); 1939e705c121SKalle Valo 1940e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid); 1941e705c121SKalle Valo if (ret) 1942e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 1943e705c121SKalle Valo 1944e705c121SKalle Valo /* after sending it once, adopt mac80211 data */ 1945e705c121SKalle Valo memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); 1946e705c121SKalle Valo mvmvif->associated = bss_conf->assoc; 1947e705c121SKalle Valo 1948e705c121SKalle Valo if (changes & BSS_CHANGED_ASSOC) { 1949e705c121SKalle Valo if (bss_conf->assoc) { 1950e705c121SKalle Valo /* clear statistics to get clean beacon counter */ 1951e705c121SKalle Valo iwl_mvm_request_statistics(mvm, true); 1952e705c121SKalle Valo memset(&mvmvif->beacon_stats, 0, 1953e705c121SKalle Valo sizeof(mvmvif->beacon_stats)); 1954e705c121SKalle Valo 1955e705c121SKalle Valo /* add quota for this interface */ 1956e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 1957e705c121SKalle Valo if (ret) { 1958e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 1959e705c121SKalle Valo return; 1960e705c121SKalle Valo } 1961e705c121SKalle Valo 1962e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 1963e705c121SKalle Valo &mvm->status)) { 1964e705c121SKalle Valo /* 1965e705c121SKalle Valo * If we're restarting then the firmware will 1966e705c121SKalle Valo * obviously have lost synchronisation with 1967e705c121SKalle Valo * the AP. It will attempt to synchronise by 1968e705c121SKalle Valo * itself, but we can make it more reliable by 1969e705c121SKalle Valo * scheduling a session protection time event. 1970e705c121SKalle Valo * 1971e705c121SKalle Valo * The firmware needs to receive a beacon to 1972e705c121SKalle Valo * catch up with synchronisation, use 110% of 1973e705c121SKalle Valo * the beacon interval. 1974e705c121SKalle Valo * 1975e705c121SKalle Valo * Set a large maximum delay to allow for more 1976e705c121SKalle Valo * than a single interface. 1977e705c121SKalle Valo */ 1978e705c121SKalle Valo u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 1979e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, dur, dur, 1980e705c121SKalle Valo 5 * dur, false); 1981e705c121SKalle Valo } 1982e705c121SKalle Valo 1983e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 1984e705c121SKalle Valo iwl_mvm_power_vif_assoc(mvm, vif); 1985e705c121SKalle Valo if (vif->p2p) { 1986e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT); 1987e705c121SKalle Valo iwl_mvm_update_smps(mvm, vif, 1988e705c121SKalle Valo IWL_MVM_SMPS_REQ_PROT, 1989e705c121SKalle Valo IEEE80211_SMPS_DYNAMIC); 1990e705c121SKalle Valo } 19910ae98812SSara Sharon } else if (mvmvif->ap_sta_id != IWL_MVM_INVALID_STA) { 1992e705c121SKalle Valo /* 1993e705c121SKalle Valo * If update fails - SF might be running in associated 1994e705c121SKalle Valo * mode while disassociated - which is forbidden. 1995e705c121SKalle Valo */ 1996e705c121SKalle Valo WARN_ONCE(iwl_mvm_sf_update(mvm, vif, false), 1997e705c121SKalle Valo "Failed to update SF upon disassociation\n"); 1998e705c121SKalle Valo 19996b28f978SEmmanuel Grumbach /* 20006b28f978SEmmanuel Grumbach * If we get an assert during the connection (after the 20016b28f978SEmmanuel Grumbach * station has been added, but before the vif is set 20026b28f978SEmmanuel Grumbach * to associated), mac80211 will re-add the station and 20036b28f978SEmmanuel Grumbach * then configure the vif. Since the vif is not 20046b28f978SEmmanuel Grumbach * associated, we would remove the station here and 20056b28f978SEmmanuel Grumbach * this would fail the recovery. 20066b28f978SEmmanuel Grumbach */ 20076b28f978SEmmanuel Grumbach if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 20086b28f978SEmmanuel Grumbach &mvm->status)) { 20096b28f978SEmmanuel Grumbach /* 20106b28f978SEmmanuel Grumbach * Remove AP station now that 20116b28f978SEmmanuel Grumbach * the MAC is unassoc 20126b28f978SEmmanuel Grumbach */ 20136b28f978SEmmanuel Grumbach ret = iwl_mvm_rm_sta_id(mvm, vif, 20146b28f978SEmmanuel Grumbach mvmvif->ap_sta_id); 2015e705c121SKalle Valo if (ret) 20166b28f978SEmmanuel Grumbach IWL_ERR(mvm, 20176b28f978SEmmanuel Grumbach "failed to remove AP station\n"); 2018e705c121SKalle Valo 2019e705c121SKalle Valo if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id) 20206b28f978SEmmanuel Grumbach mvm->d0i3_ap_sta_id = 20216b28f978SEmmanuel Grumbach IWL_MVM_INVALID_STA; 20220ae98812SSara Sharon mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; 20236b28f978SEmmanuel Grumbach } 20246b28f978SEmmanuel Grumbach 2025e705c121SKalle Valo /* remove quota for this interface */ 2026e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2027e705c121SKalle Valo if (ret) 2028e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 2029e705c121SKalle Valo 2030e705c121SKalle Valo if (vif->p2p) 2031e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT); 2032e705c121SKalle Valo 2033e705c121SKalle Valo /* this will take the cleared BSSID from bss_conf */ 2034e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2035e705c121SKalle Valo if (ret) 2036e705c121SKalle Valo IWL_ERR(mvm, 2037e705c121SKalle Valo "failed to update MAC %pM (clear after unassoc)\n", 2038e705c121SKalle Valo vif->addr); 2039e705c121SKalle Valo } 2040e705c121SKalle Valo 2041a07a8f37SSara Sharon /* 2042a07a8f37SSara Sharon * The firmware tracks the MU-MIMO group on its own. 2043f92659a1SSara Sharon * However, on HW restart we should restore this data. 2044a07a8f37SSara Sharon */ 2045a07a8f37SSara Sharon if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2046f92659a1SSara Sharon (changes & BSS_CHANGED_MU_GROUPS) && vif->mu_mimo_owner) { 2047a07a8f37SSara Sharon ret = iwl_mvm_update_mu_groups(mvm, vif); 2048a07a8f37SSara Sharon if (ret) 2049a07a8f37SSara Sharon IWL_ERR(mvm, 2050a07a8f37SSara Sharon "failed to update VHT MU_MIMO groups\n"); 2051a07a8f37SSara Sharon } 2052a07a8f37SSara Sharon 2053e705c121SKalle Valo iwl_mvm_recalc_multicast(mvm); 205434672bb3SEliad Peller iwl_mvm_configure_bcast_filter(mvm); 2055e705c121SKalle Valo 2056e705c121SKalle Valo /* reset rssi values */ 2057e705c121SKalle Valo mvmvif->bf_data.ave_beacon_signal = 0; 2058e705c121SKalle Valo 2059e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2060e705c121SKalle Valo iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2061e705c121SKalle Valo IEEE80211_SMPS_AUTOMATIC); 2062355346baSAvraham Stern if (fw_has_capa(&mvm->fw->ucode_capa, 2063355346baSAvraham Stern IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2064355346baSAvraham Stern iwl_mvm_config_scan(mvm); 2065b45242c9SAvraham Stern } 2066b45242c9SAvraham Stern 2067b45242c9SAvraham Stern if (changes & BSS_CHANGED_BEACON_INFO) { 2068e705c121SKalle Valo /* 2069b45242c9SAvraham Stern * We received a beacon from the associated AP so 2070e705c121SKalle Valo * remove the session protection. 2071e705c121SKalle Valo */ 2072e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, 2073e705c121SKalle Valo &mvmvif->time_event_data); 2074e705c121SKalle Valo 2075e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 2076e705c121SKalle Valo WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 2077e705c121SKalle Valo } 2078e705c121SKalle Valo 2079283115fbSAvri Altman if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2080283115fbSAvri Altman /* 2081283115fbSAvri Altman * Send power command on every beacon change, 2082283115fbSAvri Altman * because we may have not enabled beacon abort yet. 2083283115fbSAvri Altman */ 2084283115fbSAvri Altman BSS_CHANGED_BEACON_INFO)) { 2085e705c121SKalle Valo ret = iwl_mvm_power_update_mac(mvm); 2086e705c121SKalle Valo if (ret) 2087e705c121SKalle Valo IWL_ERR(mvm, "failed to update power mode\n"); 2088e705c121SKalle Valo } 2089e705c121SKalle Valo 2090e705c121SKalle Valo if (changes & BSS_CHANGED_TXPOWER) { 2091e705c121SKalle Valo IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", 2092e705c121SKalle Valo bss_conf->txpower); 2093e705c121SKalle Valo iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 2094e705c121SKalle Valo } 2095e705c121SKalle Valo 2096e705c121SKalle Valo if (changes & BSS_CHANGED_CQM) { 2097e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n"); 2098e705c121SKalle Valo /* reset cqm events tracking */ 2099e705c121SKalle Valo mvmvif->bf_data.last_cqm_event = 0; 2100e705c121SKalle Valo if (mvmvif->bf_data.bf_enabled) { 2101e705c121SKalle Valo ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 2102e705c121SKalle Valo if (ret) 2103e705c121SKalle Valo IWL_ERR(mvm, 2104e705c121SKalle Valo "failed to update CQM thresholds\n"); 2105e705c121SKalle Valo } 2106e705c121SKalle Valo } 2107e705c121SKalle Valo 2108e705c121SKalle Valo if (changes & BSS_CHANGED_ARP_FILTER) { 2109e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "arp filter changed\n"); 211034672bb3SEliad Peller iwl_mvm_configure_bcast_filter(mvm); 2111e705c121SKalle Valo } 2112e705c121SKalle Valo } 2113e705c121SKalle Valo 2114e705c121SKalle Valo static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 2115e705c121SKalle Valo struct ieee80211_vif *vif) 2116e705c121SKalle Valo { 2117e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2118e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2119e705c121SKalle Valo int ret; 2120e705c121SKalle Valo 2121e705c121SKalle Valo /* 2122e705c121SKalle Valo * iwl_mvm_mac_ctxt_add() might read directly from the device 2123e705c121SKalle Valo * (the system time), so make sure it is available. 2124e705c121SKalle Valo */ 2125e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP); 2126e705c121SKalle Valo if (ret) 2127e705c121SKalle Valo return ret; 2128e705c121SKalle Valo 2129e705c121SKalle Valo mutex_lock(&mvm->mutex); 2130e705c121SKalle Valo 2131e705c121SKalle Valo /* Send the beacon template */ 2132e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif); 2133e705c121SKalle Valo if (ret) 2134e705c121SKalle Valo goto out_unlock; 2135e705c121SKalle Valo 2136e705c121SKalle Valo /* 2137e705c121SKalle Valo * Re-calculate the tsf id, as the master-slave relations depend on the 2138e705c121SKalle Valo * beacon interval, which was not known when the AP interface was added. 2139e705c121SKalle Valo */ 2140e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) 2141e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2142e705c121SKalle Valo 2143e705c121SKalle Valo mvmvif->ap_assoc_sta_count = 0; 2144e705c121SKalle Valo 2145e705c121SKalle Valo /* Add the mac context */ 2146e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 2147e705c121SKalle Valo if (ret) 2148e705c121SKalle Valo goto out_unlock; 2149e705c121SKalle Valo 2150e705c121SKalle Valo /* Perform the binding */ 2151e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 2152e705c121SKalle Valo if (ret) 2153e705c121SKalle Valo goto out_remove; 2154e705c121SKalle Valo 2155ced19f26SSara Sharon ret = iwl_mvm_add_mcast_sta(mvm, vif); 2156ced19f26SSara Sharon if (ret) 2157ced19f26SSara Sharon goto out_unbind; 2158ced19f26SSara Sharon 2159e705c121SKalle Valo /* Send the bcast station. At this stage the TBTT and DTIM time events 2160e705c121SKalle Valo * are added and applied to the scheduler */ 2161e705c121SKalle Valo ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 2162e705c121SKalle Valo if (ret) 2163ced19f26SSara Sharon goto out_rm_mcast; 216426d6c16bSSara Sharon 2165e705c121SKalle Valo /* must be set before quota calculations */ 2166e705c121SKalle Valo mvmvif->ap_ibss_active = true; 2167e705c121SKalle Valo 2168e705c121SKalle Valo /* power updated needs to be done before quotas */ 2169e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2170e705c121SKalle Valo 2171e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2172e705c121SKalle Valo if (ret) 2173e705c121SKalle Valo goto out_quota_failed; 2174e705c121SKalle Valo 2175e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2176e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2177e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2178e705c121SKalle Valo 2179e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS); 2180e705c121SKalle Valo 2181e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2182e705c121SKalle Valo 2183e705c121SKalle Valo /* we don't support TDLS during DCM */ 2184e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 2185e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 2186e705c121SKalle Valo 2187e705c121SKalle Valo goto out_unlock; 2188e705c121SKalle Valo 2189e705c121SKalle Valo out_quota_failed: 2190e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2191e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2192e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2193ced19f26SSara Sharon out_rm_mcast: 2194ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2195e705c121SKalle Valo out_unbind: 2196e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2197e705c121SKalle Valo out_remove: 2198e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2199e705c121SKalle Valo out_unlock: 2200e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2201e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP); 2202e705c121SKalle Valo return ret; 2203e705c121SKalle Valo } 2204e705c121SKalle Valo 2205e705c121SKalle Valo static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 2206e705c121SKalle Valo struct ieee80211_vif *vif) 2207e705c121SKalle Valo { 2208e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2209e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2210e705c121SKalle Valo 2211e705c121SKalle Valo iwl_mvm_prepare_mac_removal(mvm, vif); 2212e705c121SKalle Valo 2213e705c121SKalle Valo mutex_lock(&mvm->mutex); 2214e705c121SKalle Valo 2215e705c121SKalle Valo /* Handle AP stop while in CSA */ 2216e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_vif) == vif) { 2217e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, 2218e705c121SKalle Valo &mvmvif->time_event_data); 2219e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_vif, NULL); 2220e705c121SKalle Valo mvmvif->csa_countdown = false; 2221e705c121SKalle Valo } 2222e705c121SKalle Valo 2223e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 2224e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 2225e705c121SKalle Valo mvm->csa_tx_block_bcn_timeout = 0; 2226e705c121SKalle Valo } 2227e705c121SKalle Valo 2228e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2229e705c121SKalle Valo mvm->ap_last_beacon_gp2 = 0; 2230e705c121SKalle Valo 2231e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2232e705c121SKalle Valo 2233e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS); 2234e705c121SKalle Valo 2235e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2236e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2237e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2238e705c121SKalle Valo 2239e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 2240ced19f26SSara Sharon 2241ced19f26SSara Sharon /* 2242ced19f26SSara Sharon * This is not very nice, but the simplest: 2243ced19f26SSara Sharon * For older FWs removing the mcast sta before the bcast station may 2244ced19f26SSara Sharon * cause assert 0x2b00. 2245ced19f26SSara Sharon * This is fixed in later FW (which will stop beaconing when removing 2246ced19f26SSara Sharon * bcast station). 2247ced19f26SSara Sharon * So make the order of removal depend on the TLV 2248ced19f26SSara Sharon */ 2249ced19f26SSara Sharon if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 225026d6c16bSSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2251e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2252ced19f26SSara Sharon if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 2253ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2254e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2255e705c121SKalle Valo 2256e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2257e705c121SKalle Valo 2258e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2259e705c121SKalle Valo 2260e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2261e705c121SKalle Valo } 2262e705c121SKalle Valo 2263e705c121SKalle Valo static void 2264e705c121SKalle Valo iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 2265e705c121SKalle Valo struct ieee80211_vif *vif, 2266e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2267e705c121SKalle Valo u32 changes) 2268e705c121SKalle Valo { 2269e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2270e705c121SKalle Valo 2271e705c121SKalle Valo /* Changes will be applied when the AP/IBSS is started */ 2272e705c121SKalle Valo if (!mvmvif->ap_ibss_active) 2273e705c121SKalle Valo return; 2274e705c121SKalle Valo 2275e705c121SKalle Valo if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 2276e705c121SKalle Valo BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 2277e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 2278e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2279e705c121SKalle Valo 2280e705c121SKalle Valo /* Need to send a new beacon template to the FW */ 2281e705c121SKalle Valo if (changes & BSS_CHANGED_BEACON && 2282e705c121SKalle Valo iwl_mvm_mac_ctxt_beacon_changed(mvm, vif)) 2283e705c121SKalle Valo IWL_WARN(mvm, "Failed updating beacon data\n"); 2284e705c121SKalle Valo 2285e705c121SKalle Valo if (changes & BSS_CHANGED_TXPOWER) { 2286e705c121SKalle Valo IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", 2287e705c121SKalle Valo bss_conf->txpower); 2288e705c121SKalle Valo iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 2289e705c121SKalle Valo } 2290e705c121SKalle Valo } 2291e705c121SKalle Valo 2292e705c121SKalle Valo static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 2293e705c121SKalle Valo struct ieee80211_vif *vif, 2294e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2295e705c121SKalle Valo u32 changes) 2296e705c121SKalle Valo { 2297e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2298e705c121SKalle Valo 2299e705c121SKalle Valo /* 2300e705c121SKalle Valo * iwl_mvm_bss_info_changed_station() might call 2301e705c121SKalle Valo * iwl_mvm_protect_session(), which reads directly from 2302e705c121SKalle Valo * the device (the system time), so make sure it is available. 2303e705c121SKalle Valo */ 2304e705c121SKalle Valo if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED)) 2305e705c121SKalle Valo return; 2306e705c121SKalle Valo 2307e705c121SKalle Valo mutex_lock(&mvm->mutex); 2308e705c121SKalle Valo 2309e705c121SKalle Valo if (changes & BSS_CHANGED_IDLE && !bss_conf->idle) 2310e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 2311e705c121SKalle Valo 2312e705c121SKalle Valo switch (vif->type) { 2313e705c121SKalle Valo case NL80211_IFTYPE_STATION: 2314e705c121SKalle Valo iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); 2315e705c121SKalle Valo break; 2316e705c121SKalle Valo case NL80211_IFTYPE_AP: 2317e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 2318e705c121SKalle Valo iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); 2319e705c121SKalle Valo break; 232091b08c2dSAviya Erenfeld case NL80211_IFTYPE_MONITOR: 232191b08c2dSAviya Erenfeld if (changes & BSS_CHANGED_MU_GROUPS) 232291b08c2dSAviya Erenfeld iwl_mvm_update_mu_groups(mvm, vif); 232391b08c2dSAviya Erenfeld break; 2324e705c121SKalle Valo default: 2325e705c121SKalle Valo /* shouldn't happen */ 2326e705c121SKalle Valo WARN_ON_ONCE(1); 2327e705c121SKalle Valo } 2328e705c121SKalle Valo 2329e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2330e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED); 2331e705c121SKalle Valo } 2332e705c121SKalle Valo 2333e705c121SKalle Valo static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, 2334e705c121SKalle Valo struct ieee80211_vif *vif, 2335e705c121SKalle Valo struct ieee80211_scan_request *hw_req) 2336e705c121SKalle Valo { 2337e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2338e705c121SKalle Valo int ret; 2339e705c121SKalle Valo 2340e705c121SKalle Valo if (hw_req->req.n_channels == 0 || 2341e705c121SKalle Valo hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 2342e705c121SKalle Valo return -EINVAL; 2343e705c121SKalle Valo 2344e705c121SKalle Valo mutex_lock(&mvm->mutex); 2345e705c121SKalle Valo ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 2346e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2347e705c121SKalle Valo 2348e705c121SKalle Valo return ret; 2349e705c121SKalle Valo } 2350e705c121SKalle Valo 2351e705c121SKalle Valo static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 2352e705c121SKalle Valo struct ieee80211_vif *vif) 2353e705c121SKalle Valo { 2354e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2355e705c121SKalle Valo 2356e705c121SKalle Valo mutex_lock(&mvm->mutex); 2357e705c121SKalle Valo 2358e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 2359e705c121SKalle Valo * us to stop a hw_scan when it's already stopped. This can 2360e705c121SKalle Valo * happen, for instance, if we stopped the scan ourselves, 2361e705c121SKalle Valo * called ieee80211_scan_completed() and the userspace called 2362e705c121SKalle Valo * cancel scan scan before ieee80211_scan_work() could run. 2363e705c121SKalle Valo * To handle that, simply return if the scan is not running. 2364e705c121SKalle Valo */ 2365e705c121SKalle Valo if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 2366e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 2367e705c121SKalle Valo 2368e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2369e705c121SKalle Valo } 2370e705c121SKalle Valo 2371e705c121SKalle Valo static void 2372e705c121SKalle Valo iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, 2373e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 2374e705c121SKalle Valo int num_frames, 2375e705c121SKalle Valo enum ieee80211_frame_release_type reason, 2376e705c121SKalle Valo bool more_data) 2377e705c121SKalle Valo { 2378e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2379e705c121SKalle Valo 2380e705c121SKalle Valo /* Called when we need to transmit (a) frame(s) from mac80211 */ 2381e705c121SKalle Valo 2382e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 2383e705c121SKalle Valo tids, more_data, false); 2384e705c121SKalle Valo } 2385e705c121SKalle Valo 2386e705c121SKalle Valo static void 2387e705c121SKalle Valo iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, 2388e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 2389e705c121SKalle Valo int num_frames, 2390e705c121SKalle Valo enum ieee80211_frame_release_type reason, 2391e705c121SKalle Valo bool more_data) 2392e705c121SKalle Valo { 2393e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2394e705c121SKalle Valo 23959a3fcf91SSara Sharon /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ 2396e705c121SKalle Valo 2397e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 2398e705c121SKalle Valo tids, more_data, true); 2399e705c121SKalle Valo } 2400e705c121SKalle Valo 240165e25482SJohannes Berg static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 2402e705c121SKalle Valo enum sta_notify_cmd cmd, 2403e705c121SKalle Valo struct ieee80211_sta *sta) 2404e705c121SKalle Valo { 2405e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2406e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 2407e705c121SKalle Valo unsigned long txqs = 0, tids = 0; 2408e705c121SKalle Valo int tid; 2409e705c121SKalle Valo 2410960f864bSJohannes Berg /* 2411960f864bSJohannes Berg * If we have TVQM then we get too high queue numbers - luckily 2412960f864bSJohannes Berg * we really shouldn't get here with that because such hardware 2413960f864bSJohannes Berg * should have firmware supporting buffer station offload. 2414960f864bSJohannes Berg */ 2415960f864bSJohannes Berg if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 2416960f864bSJohannes Berg return; 2417960f864bSJohannes Berg 2418e705c121SKalle Valo spin_lock_bh(&mvmsta->lock); 2419e705c121SKalle Valo for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 2420e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 2421e705c121SKalle Valo 24229a3fcf91SSara Sharon if (!iwl_mvm_is_dqa_supported(mvm) && 24239a3fcf91SSara Sharon tid_data->state != IWL_AGG_ON && 2424e705c121SKalle Valo tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA) 2425e705c121SKalle Valo continue; 2426e705c121SKalle Valo 24276862fceeSSara Sharon if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 24281c17627bSSara Sharon continue; 24291c17627bSSara Sharon 2430e705c121SKalle Valo __set_bit(tid_data->txq_id, &txqs); 2431e705c121SKalle Valo 2432dd32162dSLiad Kaufman if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 2433e705c121SKalle Valo continue; 2434e705c121SKalle Valo 2435e705c121SKalle Valo __set_bit(tid, &tids); 2436e705c121SKalle Valo } 2437e705c121SKalle Valo 2438e705c121SKalle Valo switch (cmd) { 2439e705c121SKalle Valo case STA_NOTIFY_SLEEP: 2440e705c121SKalle Valo if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0) 2441e705c121SKalle Valo ieee80211_sta_block_awake(hw, sta, true); 2442e705c121SKalle Valo 2443e705c121SKalle Valo for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 2444e705c121SKalle Valo ieee80211_sta_set_buffered(sta, tid, true); 2445e705c121SKalle Valo 2446e705c121SKalle Valo if (txqs) 2447e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 2448e705c121SKalle Valo /* 2449e705c121SKalle Valo * The fw updates the STA to be asleep. Tx packets on the Tx 2450e705c121SKalle Valo * queues to this station will not be transmitted. The fw will 2451e705c121SKalle Valo * send a Tx response with TX_STATUS_FAIL_DEST_PS. 2452e705c121SKalle Valo */ 2453e705c121SKalle Valo break; 2454e705c121SKalle Valo case STA_NOTIFY_AWAKE: 24550ae98812SSara Sharon if (WARN_ON(mvmsta->sta_id == IWL_MVM_INVALID_STA)) 2456e705c121SKalle Valo break; 2457e705c121SKalle Valo 2458e705c121SKalle Valo if (txqs) 2459e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 2460e705c121SKalle Valo iwl_mvm_sta_modify_ps_wake(mvm, sta); 2461e705c121SKalle Valo break; 2462e705c121SKalle Valo default: 2463e705c121SKalle Valo break; 2464e705c121SKalle Valo } 2465e705c121SKalle Valo spin_unlock_bh(&mvmsta->lock); 2466e705c121SKalle Valo } 2467e705c121SKalle Valo 246865e25482SJohannes Berg static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 246965e25482SJohannes Berg struct ieee80211_vif *vif, 247065e25482SJohannes Berg enum sta_notify_cmd cmd, 247165e25482SJohannes Berg struct ieee80211_sta *sta) 247265e25482SJohannes Berg { 247365e25482SJohannes Berg __iwl_mvm_mac_sta_notify(hw, cmd, sta); 247465e25482SJohannes Berg } 247565e25482SJohannes Berg 247665e25482SJohannes Berg void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 247765e25482SJohannes Berg { 247865e25482SJohannes Berg struct iwl_rx_packet *pkt = rxb_addr(rxb); 247965e25482SJohannes Berg struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 248065e25482SJohannes Berg struct ieee80211_sta *sta; 248165e25482SJohannes Berg struct iwl_mvm_sta *mvmsta; 248265e25482SJohannes Berg bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 248365e25482SJohannes Berg 248465e25482SJohannes Berg if (WARN_ON(notif->sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))) 248565e25482SJohannes Berg return; 248665e25482SJohannes Berg 248765e25482SJohannes Berg rcu_read_lock(); 2488a9560029SSara Sharon sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 248965e25482SJohannes Berg if (WARN_ON(IS_ERR_OR_NULL(sta))) { 249065e25482SJohannes Berg rcu_read_unlock(); 249165e25482SJohannes Berg return; 249265e25482SJohannes Berg } 249365e25482SJohannes Berg 249465e25482SJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 249565e25482SJohannes Berg 249665e25482SJohannes Berg if (!mvmsta->vif || 249765e25482SJohannes Berg mvmsta->vif->type != NL80211_IFTYPE_AP) { 249865e25482SJohannes Berg rcu_read_unlock(); 249965e25482SJohannes Berg return; 250065e25482SJohannes Berg } 250165e25482SJohannes Berg 250265e25482SJohannes Berg if (mvmsta->sleeping != sleeping) { 250365e25482SJohannes Berg mvmsta->sleeping = sleeping; 250465e25482SJohannes Berg __iwl_mvm_mac_sta_notify(mvm->hw, 250565e25482SJohannes Berg sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 250665e25482SJohannes Berg sta); 250765e25482SJohannes Berg ieee80211_sta_ps_transition(sta, sleeping); 250865e25482SJohannes Berg } 250965e25482SJohannes Berg 251065e25482SJohannes Berg if (sleeping) { 251165e25482SJohannes Berg switch (notif->type) { 251265e25482SJohannes Berg case IWL_MVM_PM_EVENT_AWAKE: 251365e25482SJohannes Berg case IWL_MVM_PM_EVENT_ASLEEP: 251465e25482SJohannes Berg break; 251565e25482SJohannes Berg case IWL_MVM_PM_EVENT_UAPSD: 251665e25482SJohannes Berg ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 251765e25482SJohannes Berg break; 251865e25482SJohannes Berg case IWL_MVM_PM_EVENT_PS_POLL: 251965e25482SJohannes Berg ieee80211_sta_pspoll(sta); 252065e25482SJohannes Berg break; 252165e25482SJohannes Berg default: 252265e25482SJohannes Berg break; 252365e25482SJohannes Berg } 252465e25482SJohannes Berg } 252565e25482SJohannes Berg 252665e25482SJohannes Berg rcu_read_unlock(); 252765e25482SJohannes Berg } 252865e25482SJohannes Berg 2529e705c121SKalle Valo static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 2530e705c121SKalle Valo struct ieee80211_vif *vif, 2531e705c121SKalle Valo struct ieee80211_sta *sta) 2532e705c121SKalle Valo { 2533e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2534e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 2535e705c121SKalle Valo 2536e705c121SKalle Valo /* 2537e705c121SKalle Valo * This is called before mac80211 does RCU synchronisation, 2538e705c121SKalle Valo * so here we already invalidate our internal RCU-protected 2539e705c121SKalle Valo * station pointer. The rest of the code will thus no longer 2540e705c121SKalle Valo * be able to find the station this way, and we don't rely 2541e705c121SKalle Valo * on further RCU synchronisation after the sta_state() 2542e705c121SKalle Valo * callback deleted the station. 2543e705c121SKalle Valo */ 2544e705c121SKalle Valo mutex_lock(&mvm->mutex); 2545e705c121SKalle Valo if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id])) 2546e705c121SKalle Valo rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], 2547e705c121SKalle Valo ERR_PTR(-ENOENT)); 2548e705c121SKalle Valo 2549e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2550e705c121SKalle Valo } 2551e705c121SKalle Valo 2552e705c121SKalle Valo static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2553e705c121SKalle Valo const u8 *bssid) 2554e705c121SKalle Valo { 2555e705c121SKalle Valo if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 2556e705c121SKalle Valo return; 2557e705c121SKalle Valo 2558c5241b0cSAvraham Stern if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 2559cee5a882SAvri Altman vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 2560cee5a882SAvri Altman return; 2561cee5a882SAvri Altman } 2562cee5a882SAvri Altman 256311dee0b4SEmmanuel Grumbach if (!vif->p2p && 256411dee0b4SEmmanuel Grumbach (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 2565e705c121SKalle Valo vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 2566e705c121SKalle Valo return; 2567e705c121SKalle Valo } 2568e705c121SKalle Valo 2569e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 2570e705c121SKalle Valo } 2571e705c121SKalle Valo 25721e8f1329SGolan Ben-Ami static void 25731e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 25741e8f1329SGolan Ben-Ami struct ieee80211_vif *vif, u8 *peer_addr, 25751e8f1329SGolan Ben-Ami enum nl80211_tdls_operation action) 25761e8f1329SGolan Ben-Ami { 25771e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tlv *trig; 25781e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tdls *tdls_trig; 25791e8f1329SGolan Ben-Ami 25801e8f1329SGolan Ben-Ami if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_TDLS)) 25811e8f1329SGolan Ben-Ami return; 25821e8f1329SGolan Ben-Ami 25831e8f1329SGolan Ben-Ami trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TDLS); 25841e8f1329SGolan Ben-Ami tdls_trig = (void *)trig->data; 25857174beb6SJohannes Berg if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt, 25867174beb6SJohannes Berg ieee80211_vif_to_wdev(vif), trig)) 25871e8f1329SGolan Ben-Ami return; 25881e8f1329SGolan Ben-Ami 25891e8f1329SGolan Ben-Ami if (!(tdls_trig->action_bitmap & BIT(action))) 25901e8f1329SGolan Ben-Ami return; 25911e8f1329SGolan Ben-Ami 25921e8f1329SGolan Ben-Ami if (tdls_trig->peer_mode && 25931e8f1329SGolan Ben-Ami memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 25941e8f1329SGolan Ben-Ami return; 25951e8f1329SGolan Ben-Ami 25967174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 25971e8f1329SGolan Ben-Ami "TDLS event occurred, peer %pM, action %d", 25981e8f1329SGolan Ben-Ami peer_addr, action); 25991e8f1329SGolan Ben-Ami } 26001e8f1329SGolan Ben-Ami 260124afba76SLiad Kaufman static void iwl_mvm_purge_deferred_tx_frames(struct iwl_mvm *mvm, 260224afba76SLiad Kaufman struct iwl_mvm_sta *mvm_sta) 260324afba76SLiad Kaufman { 260424afba76SLiad Kaufman struct iwl_mvm_tid_data *tid_data; 260524afba76SLiad Kaufman struct sk_buff *skb; 260624afba76SLiad Kaufman int i; 260724afba76SLiad Kaufman 260824afba76SLiad Kaufman spin_lock_bh(&mvm_sta->lock); 260924afba76SLiad Kaufman for (i = 0; i <= IWL_MAX_TID_COUNT; i++) { 261024afba76SLiad Kaufman tid_data = &mvm_sta->tid_data[i]; 261124afba76SLiad Kaufman while ((skb = __skb_dequeue(&tid_data->deferred_tx_frames))) 261224afba76SLiad Kaufman ieee80211_free_txskb(mvm->hw, skb); 261324afba76SLiad Kaufman } 261424afba76SLiad Kaufman spin_unlock_bh(&mvm_sta->lock); 261524afba76SLiad Kaufman } 261624afba76SLiad Kaufman 2617e705c121SKalle Valo static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 2618e705c121SKalle Valo struct ieee80211_vif *vif, 2619e705c121SKalle Valo struct ieee80211_sta *sta, 2620e705c121SKalle Valo enum ieee80211_sta_state old_state, 2621e705c121SKalle Valo enum ieee80211_sta_state new_state) 2622e705c121SKalle Valo { 2623e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2624e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 26256ea29ce5SJohannes Berg struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 2626e705c121SKalle Valo int ret; 2627e705c121SKalle Valo 2628e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 2629e705c121SKalle Valo sta->addr, old_state, new_state); 2630e705c121SKalle Valo 2631e705c121SKalle Valo /* this would be a mac80211 bug ... but don't crash */ 2632e705c121SKalle Valo if (WARN_ON_ONCE(!mvmvif->phy_ctxt)) 2633e705c121SKalle Valo return -EINVAL; 2634e705c121SKalle Valo 2635e705c121SKalle Valo /* if a STA is being removed, reuse its ID */ 2636e705c121SKalle Valo flush_work(&mvm->sta_drained_wk); 2637e705c121SKalle Valo 263824afba76SLiad Kaufman /* 263924afba76SLiad Kaufman * If we are in a STA removal flow and in DQA mode: 264024afba76SLiad Kaufman * 264124afba76SLiad Kaufman * This is after the sync_rcu part, so the queues have already been 264224afba76SLiad Kaufman * flushed. No more TXs on their way in mac80211's path, and no more in 264324afba76SLiad Kaufman * the queues. 264424afba76SLiad Kaufman * Also, we won't be getting any new TX frames for this station. 264524afba76SLiad Kaufman * What we might have are deferred TX frames that need to be taken care 264624afba76SLiad Kaufman * of. 264724afba76SLiad Kaufman * 264824afba76SLiad Kaufman * Drop any still-queued deferred-frame before removing the STA, and 264924afba76SLiad Kaufman * make sure the worker is no longer handling frames for this STA. 265024afba76SLiad Kaufman */ 265124afba76SLiad Kaufman if (old_state == IEEE80211_STA_NONE && 265224afba76SLiad Kaufman new_state == IEEE80211_STA_NOTEXIST && 265324afba76SLiad Kaufman iwl_mvm_is_dqa_supported(mvm)) { 265424afba76SLiad Kaufman iwl_mvm_purge_deferred_tx_frames(mvm, mvm_sta); 265524afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 265624afba76SLiad Kaufman 265724afba76SLiad Kaufman /* 265824afba76SLiad Kaufman * No need to make sure deferred TX indication is off since the 265924afba76SLiad Kaufman * worker will already remove it if it was on 266024afba76SLiad Kaufman */ 266124afba76SLiad Kaufman } 266224afba76SLiad Kaufman 2663e705c121SKalle Valo mutex_lock(&mvm->mutex); 26646ea29ce5SJohannes Berg /* track whether or not the station is associated */ 26656ea29ce5SJohannes Berg mvm_sta->associated = new_state >= IEEE80211_STA_ASSOC; 26666ea29ce5SJohannes Berg 2667e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 2668e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 2669e705c121SKalle Valo /* 2670e705c121SKalle Valo * Firmware bug - it'll crash if the beacon interval is less 2671e705c121SKalle Valo * than 16. We can't avoid connecting at all, so refuse the 2672e705c121SKalle Valo * station state change, this will cause mac80211 to abandon 2673e705c121SKalle Valo * attempts to connect to this AP, and eventually wpa_s will 2674e705c121SKalle Valo * blacklist the AP... 2675e705c121SKalle Valo */ 2676e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && 2677e705c121SKalle Valo vif->bss_conf.beacon_int < 16) { 2678e705c121SKalle Valo IWL_ERR(mvm, 2679e705c121SKalle Valo "AP %pM beacon interval is %d, refusing due to firmware bug!\n", 2680e705c121SKalle Valo sta->addr, vif->bss_conf.beacon_int); 2681e705c121SKalle Valo ret = -EINVAL; 2682e705c121SKalle Valo goto out_unlock; 2683e705c121SKalle Valo } 2684e705c121SKalle Valo 2685e705c121SKalle Valo if (sta->tdls && 2686e705c121SKalle Valo (vif->p2p || 2687e705c121SKalle Valo iwl_mvm_tdls_sta_count(mvm, NULL) == 2688e705c121SKalle Valo IWL_MVM_TDLS_STA_COUNT || 2689e705c121SKalle Valo iwl_mvm_phy_ctx_count(mvm) > 1)) { 2690e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 2691e705c121SKalle Valo ret = -EBUSY; 2692e705c121SKalle Valo goto out_unlock; 2693e705c121SKalle Valo } 2694e705c121SKalle Valo 2695e705c121SKalle Valo ret = iwl_mvm_add_sta(mvm, vif, sta); 26961e8f1329SGolan Ben-Ami if (sta->tdls && ret == 0) { 2697e705c121SKalle Valo iwl_mvm_recalc_tdls_state(mvm, vif, true); 26981e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 26991e8f1329SGolan Ben-Ami NL80211_TDLS_SETUP); 27001e8f1329SGolan Ben-Ami } 2701e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 2702e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 2703e705c121SKalle Valo /* 2704e705c121SKalle Valo * EBS may be disabled due to previous failures reported by FW. 2705e705c121SKalle Valo * Reset EBS status here assuming environment has been changed. 2706e705c121SKalle Valo */ 2707e705c121SKalle Valo mvm->last_ebs_successful = true; 2708e705c121SKalle Valo iwl_mvm_check_uapsd(mvm, vif, sta->addr); 2709e705c121SKalle Valo ret = 0; 2710e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 2711e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 27128be30c13SAyala Beker if (vif->type == NL80211_IFTYPE_AP) { 27138be30c13SAyala Beker mvmvif->ap_assoc_sta_count++; 27148be30c13SAyala Beker iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 27158be30c13SAyala Beker } 2716735a0045SGoodstein, Mordechay 2717735a0045SGoodstein, Mordechay iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 2718e705c121SKalle Valo true); 2719735a0045SGoodstein, Mordechay ret = iwl_mvm_update_sta(mvm, vif, sta); 2720e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 2721e705c121SKalle Valo new_state == IEEE80211_STA_AUTHORIZED) { 2722e705c121SKalle Valo 2723e705c121SKalle Valo /* we don't support TDLS during DCM */ 2724e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 2725e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 2726e705c121SKalle Valo 27271e8f1329SGolan Ben-Ami if (sta->tdls) 27281e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 27291e8f1329SGolan Ben-Ami NL80211_TDLS_ENABLE_LINK); 27301e8f1329SGolan Ben-Ami 2731e705c121SKalle Valo /* enable beacon filtering */ 2732e705c121SKalle Valo WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 2733e705c121SKalle Valo ret = 0; 2734e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTHORIZED && 2735e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 2736e705c121SKalle Valo /* disable beacon filtering */ 2737e705c121SKalle Valo WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif, 0)); 2738e705c121SKalle Valo ret = 0; 2739e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 2740e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 27418be30c13SAyala Beker if (vif->type == NL80211_IFTYPE_AP) { 27428be30c13SAyala Beker mvmvif->ap_assoc_sta_count--; 27438be30c13SAyala Beker iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 27448be30c13SAyala Beker } 2745e705c121SKalle Valo ret = 0; 2746e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 2747e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 2748e705c121SKalle Valo ret = 0; 2749e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 2750e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) { 2751e705c121SKalle Valo ret = iwl_mvm_rm_sta(mvm, vif, sta); 27521e8f1329SGolan Ben-Ami if (sta->tdls) { 2753e705c121SKalle Valo iwl_mvm_recalc_tdls_state(mvm, vif, false); 27541e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 27551e8f1329SGolan Ben-Ami NL80211_TDLS_DISABLE_LINK); 27561e8f1329SGolan Ben-Ami } 2757e705c121SKalle Valo } else { 2758e705c121SKalle Valo ret = -EIO; 2759e705c121SKalle Valo } 2760e705c121SKalle Valo out_unlock: 2761e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2762e705c121SKalle Valo 2763e705c121SKalle Valo if (sta->tdls && ret == 0) { 2764e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 2765e705c121SKalle Valo new_state == IEEE80211_STA_NONE) 2766e705c121SKalle Valo ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); 2767e705c121SKalle Valo else if (old_state == IEEE80211_STA_NONE && 2768e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) 2769e705c121SKalle Valo ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); 2770e705c121SKalle Valo } 2771e705c121SKalle Valo 2772e705c121SKalle Valo return ret; 2773e705c121SKalle Valo } 2774e705c121SKalle Valo 2775e705c121SKalle Valo static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 2776e705c121SKalle Valo { 2777e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2778e705c121SKalle Valo 2779e705c121SKalle Valo mvm->rts_threshold = value; 2780e705c121SKalle Valo 2781e705c121SKalle Valo return 0; 2782e705c121SKalle Valo } 2783e705c121SKalle Valo 2784e705c121SKalle Valo static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, 2785e705c121SKalle Valo struct ieee80211_vif *vif, 2786e705c121SKalle Valo struct ieee80211_sta *sta, u32 changed) 2787e705c121SKalle Valo { 2788e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2789e705c121SKalle Valo 2790e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && 2791e705c121SKalle Valo changed & IEEE80211_RC_NSS_CHANGED) 2792e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 2793e705c121SKalle Valo } 2794e705c121SKalle Valo 2795e705c121SKalle Valo static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 2796e705c121SKalle Valo struct ieee80211_vif *vif, u16 ac, 2797e705c121SKalle Valo const struct ieee80211_tx_queue_params *params) 2798e705c121SKalle Valo { 2799e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2800e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2801e705c121SKalle Valo 2802e705c121SKalle Valo mvmvif->queue_params[ac] = *params; 2803e705c121SKalle Valo 2804e705c121SKalle Valo /* 2805e705c121SKalle Valo * No need to update right away, we'll get BSS_CHANGED_QOS 2806e705c121SKalle Valo * The exception is P2P_DEVICE interface which needs immediate update. 2807e705c121SKalle Valo */ 2808e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 2809e705c121SKalle Valo int ret; 2810e705c121SKalle Valo 2811e705c121SKalle Valo mutex_lock(&mvm->mutex); 2812e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2813e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2814e705c121SKalle Valo return ret; 2815e705c121SKalle Valo } 2816e705c121SKalle Valo return 0; 2817e705c121SKalle Valo } 2818e705c121SKalle Valo 2819e705c121SKalle Valo static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 2820e705c121SKalle Valo struct ieee80211_vif *vif) 2821e705c121SKalle Valo { 2822e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 28237c70fee5SSara Sharon u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 28247c70fee5SSara Sharon u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 2825e705c121SKalle Valo 2826e705c121SKalle Valo if (WARN_ON_ONCE(vif->bss_conf.assoc)) 2827e705c121SKalle Valo return; 2828e705c121SKalle Valo 2829e705c121SKalle Valo /* 2830e705c121SKalle Valo * iwl_mvm_protect_session() reads directly from the device 2831e705c121SKalle Valo * (the system time), so make sure it is available. 2832e705c121SKalle Valo */ 2833e705c121SKalle Valo if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX)) 2834e705c121SKalle Valo return; 2835e705c121SKalle Valo 2836e705c121SKalle Valo mutex_lock(&mvm->mutex); 2837e705c121SKalle Valo /* Try really hard to protect the session and hear a beacon */ 2838e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false); 2839e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2840e705c121SKalle Valo 2841e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX); 2842e705c121SKalle Valo } 2843e705c121SKalle Valo 2844e705c121SKalle Valo static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 2845e705c121SKalle Valo struct ieee80211_vif *vif, 2846e705c121SKalle Valo struct cfg80211_sched_scan_request *req, 2847e705c121SKalle Valo struct ieee80211_scan_ies *ies) 2848e705c121SKalle Valo { 2849e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2850e705c121SKalle Valo 2851e705c121SKalle Valo int ret; 2852e705c121SKalle Valo 2853e705c121SKalle Valo mutex_lock(&mvm->mutex); 2854e705c121SKalle Valo 2855e705c121SKalle Valo if (!vif->bss_conf.idle) { 2856e705c121SKalle Valo ret = -EBUSY; 2857e705c121SKalle Valo goto out; 2858e705c121SKalle Valo } 2859e705c121SKalle Valo 2860e705c121SKalle Valo ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 2861e705c121SKalle Valo 2862e705c121SKalle Valo out: 2863e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2864e705c121SKalle Valo return ret; 2865e705c121SKalle Valo } 2866e705c121SKalle Valo 2867e705c121SKalle Valo static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 2868e705c121SKalle Valo struct ieee80211_vif *vif) 2869e705c121SKalle Valo { 2870e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2871e705c121SKalle Valo int ret; 2872e705c121SKalle Valo 2873e705c121SKalle Valo mutex_lock(&mvm->mutex); 2874e705c121SKalle Valo 2875e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 2876e705c121SKalle Valo * us to stop a sched_scan when it's already stopped. This 2877e705c121SKalle Valo * can happen, for instance, if we stopped the scan ourselves, 2878e705c121SKalle Valo * called ieee80211_sched_scan_stopped() and the userspace called 2879e705c121SKalle Valo * stop sched scan scan before ieee80211_sched_scan_stopped_work() 2880e705c121SKalle Valo * could run. To handle this, simply return if the scan is 2881e705c121SKalle Valo * not running. 2882e705c121SKalle Valo */ 2883e705c121SKalle Valo if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 2884e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2885e705c121SKalle Valo return 0; 2886e705c121SKalle Valo } 2887e705c121SKalle Valo 2888e705c121SKalle Valo ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 2889e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2890e705c121SKalle Valo iwl_mvm_wait_for_async_handlers(mvm); 2891e705c121SKalle Valo 2892e705c121SKalle Valo return ret; 2893e705c121SKalle Valo } 2894e705c121SKalle Valo 2895e705c121SKalle Valo static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 2896e705c121SKalle Valo enum set_key_cmd cmd, 2897e705c121SKalle Valo struct ieee80211_vif *vif, 2898e705c121SKalle Valo struct ieee80211_sta *sta, 2899e705c121SKalle Valo struct ieee80211_key_conf *key) 2900e705c121SKalle Valo { 2901e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2902f5e28eacSJohannes Berg struct iwl_mvm_sta *mvmsta; 2903f5e28eacSJohannes Berg struct iwl_mvm_key_pn *ptk_pn; 2904f5e28eacSJohannes Berg int keyidx = key->keyidx; 2905e705c121SKalle Valo int ret; 29064615fd15SEmmanuel Grumbach u8 key_offset; 2907e705c121SKalle Valo 29083b37f4c9SJohannes Berg if (iwlwifi_mod_params.swcrypto) { 2909e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n"); 2910e705c121SKalle Valo return -EOPNOTSUPP; 2911e705c121SKalle Valo } 2912e705c121SKalle Valo 2913e705c121SKalle Valo switch (key->cipher) { 2914e705c121SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 2915e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 29161ad4f639SEliad Peller key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 2917e705c121SKalle Valo break; 2918e705c121SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 29192a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP: 29202a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP_256: 292185aeb58cSDavid Spinadel if (!iwl_mvm_has_new_tx_api(mvm)) 2922e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 2923e705c121SKalle Valo break; 2924e705c121SKalle Valo case WLAN_CIPHER_SUITE_AES_CMAC: 29258e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_128: 29268e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_256: 2927e705c121SKalle Valo WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 2928e705c121SKalle Valo break; 2929e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 2930e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 2931e705c121SKalle Valo /* For non-client mode, only use WEP keys for TX as we probably 2932e705c121SKalle Valo * don't have a station yet anyway and would then have to keep 2933e705c121SKalle Valo * track of the keys, linking them to each of the clients/peers 2934e705c121SKalle Valo * as they appear. For now, don't do that, for performance WEP 2935e705c121SKalle Valo * offload doesn't really matter much, but we need it for some 2936e705c121SKalle Valo * other offload features in client mode. 2937e705c121SKalle Valo */ 2938e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION) 2939e705c121SKalle Valo return 0; 2940e705c121SKalle Valo break; 2941e705c121SKalle Valo default: 2942e705c121SKalle Valo /* currently FW supports only one optional cipher scheme */ 2943e705c121SKalle Valo if (hw->n_cipher_schemes && 2944e705c121SKalle Valo hw->cipher_schemes->cipher == key->cipher) 2945e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 2946e705c121SKalle Valo else 2947e705c121SKalle Valo return -EOPNOTSUPP; 2948e705c121SKalle Valo } 2949e705c121SKalle Valo 2950e705c121SKalle Valo mutex_lock(&mvm->mutex); 2951e705c121SKalle Valo 2952e705c121SKalle Valo switch (cmd) { 2953e705c121SKalle Valo case SET_KEY: 2954e705c121SKalle Valo if ((vif->type == NL80211_IFTYPE_ADHOC || 2955e705c121SKalle Valo vif->type == NL80211_IFTYPE_AP) && !sta) { 2956e705c121SKalle Valo /* 2957e705c121SKalle Valo * GTK on AP interface is a TX-only key, return 0; 2958e705c121SKalle Valo * on IBSS they're per-station and because we're lazy 2959e705c121SKalle Valo * we don't support them for RX, so do the same. 29608e160ab8SAyala Beker * CMAC/GMAC in AP/IBSS modes must be done in software. 2961e705c121SKalle Valo */ 29628e160ab8SAyala Beker if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 29638e160ab8SAyala Beker key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 29648e160ab8SAyala Beker key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256) 296581279c49SJohannes Berg ret = -EOPNOTSUPP; 296681279c49SJohannes Berg else 2967e705c121SKalle Valo ret = 0; 296885aeb58cSDavid Spinadel 296985aeb58cSDavid Spinadel if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 297085aeb58cSDavid Spinadel key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 297185aeb58cSDavid Spinadel !iwl_mvm_has_new_tx_api(mvm)) { 2972e705c121SKalle Valo key->hw_key_idx = STA_KEY_IDX_INVALID; 2973e705c121SKalle Valo break; 2974e705c121SKalle Valo } 297585aeb58cSDavid Spinadel } 2976e705c121SKalle Valo 2977e705c121SKalle Valo /* During FW restart, in order to restore the state as it was, 2978e705c121SKalle Valo * don't try to reprogram keys we previously failed for. 2979e705c121SKalle Valo */ 2980e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2981e705c121SKalle Valo key->hw_key_idx == STA_KEY_IDX_INVALID) { 2982e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, 2983e705c121SKalle Valo "skip invalid idx key programming during restart\n"); 2984e705c121SKalle Valo ret = 0; 2985e705c121SKalle Valo break; 2986e705c121SKalle Valo } 2987e705c121SKalle Valo 2988f5e28eacSJohannes Berg if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2989f5e28eacSJohannes Berg sta && iwl_mvm_has_new_rx_api(mvm) && 2990f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 2991f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 29922a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 29932a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 2994f5e28eacSJohannes Berg struct ieee80211_key_seq seq; 2995f5e28eacSJohannes Berg int tid, q; 2996f5e28eacSJohannes Berg 2997f5e28eacSJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 2998f5e28eacSJohannes Berg WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 2999f5e28eacSJohannes Berg ptk_pn = kzalloc(sizeof(*ptk_pn) + 3000f5e28eacSJohannes Berg mvm->trans->num_rx_queues * 3001f5e28eacSJohannes Berg sizeof(ptk_pn->q[0]), 3002f5e28eacSJohannes Berg GFP_KERNEL); 3003f5e28eacSJohannes Berg if (!ptk_pn) { 3004f5e28eacSJohannes Berg ret = -ENOMEM; 3005f5e28eacSJohannes Berg break; 3006f5e28eacSJohannes Berg } 3007f5e28eacSJohannes Berg 3008f5e28eacSJohannes Berg for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 3009f5e28eacSJohannes Berg ieee80211_get_key_rx_seq(key, tid, &seq); 3010f5e28eacSJohannes Berg for (q = 0; q < mvm->trans->num_rx_queues; q++) 3011f5e28eacSJohannes Berg memcpy(ptk_pn->q[q].pn[tid], 3012f5e28eacSJohannes Berg seq.ccmp.pn, 3013f5e28eacSJohannes Berg IEEE80211_CCMP_PN_LEN); 3014f5e28eacSJohannes Berg } 3015f5e28eacSJohannes Berg 3016f5e28eacSJohannes Berg rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 3017f5e28eacSJohannes Berg } 3018f5e28eacSJohannes Berg 30194615fd15SEmmanuel Grumbach /* in HW restart reuse the index, otherwise request a new one */ 30204615fd15SEmmanuel Grumbach if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 30214615fd15SEmmanuel Grumbach key_offset = key->hw_key_idx; 30224615fd15SEmmanuel Grumbach else 30234615fd15SEmmanuel Grumbach key_offset = STA_KEY_IDX_INVALID; 30244615fd15SEmmanuel Grumbach 3025e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n"); 30264615fd15SEmmanuel Grumbach ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 3027e705c121SKalle Valo if (ret) { 3028e705c121SKalle Valo IWL_WARN(mvm, "set key failed\n"); 3029e705c121SKalle Valo /* 3030e705c121SKalle Valo * can't add key for RX, but we don't need it 3031e705c121SKalle Valo * in the device for TX so still return 0 3032e705c121SKalle Valo */ 3033e705c121SKalle Valo key->hw_key_idx = STA_KEY_IDX_INVALID; 3034e705c121SKalle Valo ret = 0; 3035e705c121SKalle Valo } 3036e705c121SKalle Valo 3037e705c121SKalle Valo break; 3038e705c121SKalle Valo case DISABLE_KEY: 3039e705c121SKalle Valo if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 3040e705c121SKalle Valo ret = 0; 3041e705c121SKalle Valo break; 3042e705c121SKalle Valo } 3043e705c121SKalle Valo 3044f5e28eacSJohannes Berg if (sta && iwl_mvm_has_new_rx_api(mvm) && 3045f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 3046f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 30472a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 30482a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 3049f5e28eacSJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 3050f5e28eacSJohannes Berg ptk_pn = rcu_dereference_protected( 3051f5e28eacSJohannes Berg mvmsta->ptk_pn[keyidx], 3052f5e28eacSJohannes Berg lockdep_is_held(&mvm->mutex)); 3053f5e28eacSJohannes Berg RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 3054f5e28eacSJohannes Berg if (ptk_pn) 3055f5e28eacSJohannes Berg kfree_rcu(ptk_pn, rcu_head); 3056f5e28eacSJohannes Berg } 3057f5e28eacSJohannes Berg 3058e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 3059e705c121SKalle Valo ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 3060e705c121SKalle Valo break; 3061e705c121SKalle Valo default: 3062e705c121SKalle Valo ret = -EINVAL; 3063e705c121SKalle Valo } 3064e705c121SKalle Valo 3065e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3066e705c121SKalle Valo return ret; 3067e705c121SKalle Valo } 3068e705c121SKalle Valo 3069e705c121SKalle Valo static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 3070e705c121SKalle Valo struct ieee80211_vif *vif, 3071e705c121SKalle Valo struct ieee80211_key_conf *keyconf, 3072e705c121SKalle Valo struct ieee80211_sta *sta, 3073e705c121SKalle Valo u32 iv32, u16 *phase1key) 3074e705c121SKalle Valo { 3075e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3076e705c121SKalle Valo 3077e705c121SKalle Valo if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 3078e705c121SKalle Valo return; 3079e705c121SKalle Valo 3080e705c121SKalle Valo iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 3081e705c121SKalle Valo } 3082e705c121SKalle Valo 3083e705c121SKalle Valo 3084e705c121SKalle Valo static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 3085e705c121SKalle Valo struct iwl_rx_packet *pkt, void *data) 3086e705c121SKalle Valo { 3087e705c121SKalle Valo struct iwl_mvm *mvm = 3088e705c121SKalle Valo container_of(notif_wait, struct iwl_mvm, notif_wait); 3089e705c121SKalle Valo struct iwl_hs20_roc_res *resp; 3090e705c121SKalle Valo int resp_len = iwl_rx_packet_payload_len(pkt); 3091e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = data; 3092e705c121SKalle Valo 3093e705c121SKalle Valo if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 3094e705c121SKalle Valo return true; 3095e705c121SKalle Valo 3096e705c121SKalle Valo if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 3097e705c121SKalle Valo IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 3098e705c121SKalle Valo return true; 3099e705c121SKalle Valo } 3100e705c121SKalle Valo 3101e705c121SKalle Valo resp = (void *)pkt->data; 3102e705c121SKalle Valo 3103e705c121SKalle Valo IWL_DEBUG_TE(mvm, 3104e705c121SKalle Valo "Aux ROC: Recieved response from ucode: status=%d uid=%d\n", 3105e705c121SKalle Valo resp->status, resp->event_unique_id); 3106e705c121SKalle Valo 3107e705c121SKalle Valo te_data->uid = le32_to_cpu(resp->event_unique_id); 3108e705c121SKalle Valo IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 3109e705c121SKalle Valo te_data->uid); 3110e705c121SKalle Valo 3111e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3112e705c121SKalle Valo list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 3113e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3114e705c121SKalle Valo 3115e705c121SKalle Valo return true; 3116e705c121SKalle Valo } 3117e705c121SKalle Valo 3118dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100) 3119dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200) 3120dc28e12fSMatti Gottlieb #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600) 3121dc28e12fSMatti Gottlieb #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20) 3122dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10) 3123e705c121SKalle Valo static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 3124e705c121SKalle Valo struct ieee80211_channel *channel, 3125e705c121SKalle Valo struct ieee80211_vif *vif, 3126e705c121SKalle Valo int duration) 3127e705c121SKalle Valo { 3128e705c121SKalle Valo int res, time_reg = DEVICE_SYSTEM_TIME_REG; 3129e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3130e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 3131e705c121SKalle Valo static const u16 time_event_response[] = { HOT_SPOT_CMD }; 3132e705c121SKalle Valo struct iwl_notification_wait wait_time_event; 3133dc28e12fSMatti Gottlieb u32 dtim_interval = vif->bss_conf.dtim_period * 3134dc28e12fSMatti Gottlieb vif->bss_conf.beacon_int; 3135dc28e12fSMatti Gottlieb u32 req_dur, delay; 3136e705c121SKalle Valo struct iwl_hs20_roc_req aux_roc_req = { 3137e705c121SKalle Valo .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 3138e705c121SKalle Valo .id_and_color = 3139e705c121SKalle Valo cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 3140e705c121SKalle Valo .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 3141e705c121SKalle Valo /* Set the channel info data */ 314257fbcce3SJohannes Berg .channel_info.band = (channel->band == NL80211_BAND_2GHZ) ? 3143e705c121SKalle Valo PHY_BAND_24 : PHY_BAND_5, 3144e705c121SKalle Valo .channel_info.channel = channel->hw_value, 3145e705c121SKalle Valo .channel_info.width = PHY_VHT_CHANNEL_MODE20, 3146e705c121SKalle Valo /* Set the time and duration */ 3147e705c121SKalle Valo .apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)), 3148e705c121SKalle Valo }; 3149e705c121SKalle Valo 3150dc28e12fSMatti Gottlieb delay = AUX_ROC_MIN_DELAY; 3151dc28e12fSMatti Gottlieb req_dur = MSEC_TO_TU(duration); 3152dc28e12fSMatti Gottlieb 3153dc28e12fSMatti Gottlieb /* 3154dc28e12fSMatti Gottlieb * If we are associated we want the delay time to be at least one 3155dc28e12fSMatti Gottlieb * dtim interval so that the FW can wait until after the DTIM and 3156dc28e12fSMatti Gottlieb * then start the time event, this will potentially allow us to 3157dc28e12fSMatti Gottlieb * remain off-channel for the max duration. 3158dc28e12fSMatti Gottlieb * Since we want to use almost a whole dtim interval we would also 3159dc28e12fSMatti Gottlieb * like the delay to be for 2-3 dtim intervals, in case there are 3160dc28e12fSMatti Gottlieb * other time events with higher priority. 3161dc28e12fSMatti Gottlieb */ 3162dc28e12fSMatti Gottlieb if (vif->bss_conf.assoc) { 3163dc28e12fSMatti Gottlieb delay = min_t(u32, dtim_interval * 3, AUX_ROC_MAX_DELAY); 3164dc28e12fSMatti Gottlieb /* We cannot remain off-channel longer than the DTIM interval */ 3165dc28e12fSMatti Gottlieb if (dtim_interval <= req_dur) { 3166dc28e12fSMatti Gottlieb req_dur = dtim_interval - AUX_ROC_SAFETY_BUFFER; 3167dc28e12fSMatti Gottlieb if (req_dur <= AUX_ROC_MIN_DURATION) 3168dc28e12fSMatti Gottlieb req_dur = dtim_interval - 3169dc28e12fSMatti Gottlieb AUX_ROC_MIN_SAFETY_BUFFER; 3170dc28e12fSMatti Gottlieb } 3171dc28e12fSMatti Gottlieb } 3172dc28e12fSMatti Gottlieb 3173dc28e12fSMatti Gottlieb aux_roc_req.duration = cpu_to_le32(req_dur); 3174dc28e12fSMatti Gottlieb aux_roc_req.apply_time_max_delay = cpu_to_le32(delay); 3175dc28e12fSMatti Gottlieb 3176dc28e12fSMatti Gottlieb IWL_DEBUG_TE(mvm, 3177dc28e12fSMatti Gottlieb "ROC: Requesting to remain on channel %u for %ums (requested = %ums, max_delay = %ums, dtim_interval = %ums)\n", 3178dc28e12fSMatti Gottlieb channel->hw_value, req_dur, duration, delay, 3179dc28e12fSMatti Gottlieb dtim_interval); 3180e705c121SKalle Valo /* Set the node address */ 3181e705c121SKalle Valo memcpy(aux_roc_req.node_addr, vif->addr, ETH_ALEN); 3182e705c121SKalle Valo 3183e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3184e705c121SKalle Valo 3185e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3186e705c121SKalle Valo 3187e705c121SKalle Valo if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 3188e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3189e705c121SKalle Valo return -EIO; 3190e705c121SKalle Valo } 3191e705c121SKalle Valo 3192e705c121SKalle Valo te_data->vif = vif; 3193e705c121SKalle Valo te_data->duration = duration; 3194e705c121SKalle Valo te_data->id = HOT_SPOT_CMD; 3195e705c121SKalle Valo 3196e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3197e705c121SKalle Valo 3198e705c121SKalle Valo /* 3199e705c121SKalle Valo * Use a notification wait, which really just processes the 3200e705c121SKalle Valo * command response and doesn't wait for anything, in order 3201e705c121SKalle Valo * to be able to process the response and get the UID inside 3202e705c121SKalle Valo * the RX path. Using CMD_WANT_SKB doesn't work because it 3203e705c121SKalle Valo * stores the buffer and then wakes up this thread, by which 3204e705c121SKalle Valo * time another notification (that the time event started) 3205e705c121SKalle Valo * might already be processed unsuccessfully. 3206e705c121SKalle Valo */ 3207e705c121SKalle Valo iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 3208e705c121SKalle Valo time_event_response, 3209e705c121SKalle Valo ARRAY_SIZE(time_event_response), 3210e705c121SKalle Valo iwl_mvm_rx_aux_roc, te_data); 3211e705c121SKalle Valo 3212e705c121SKalle Valo res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, sizeof(aux_roc_req), 3213e705c121SKalle Valo &aux_roc_req); 3214e705c121SKalle Valo 3215e705c121SKalle Valo if (res) { 3216e705c121SKalle Valo IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 3217e705c121SKalle Valo iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 3218e705c121SKalle Valo goto out_clear_te; 3219e705c121SKalle Valo } 3220e705c121SKalle Valo 3221e705c121SKalle Valo /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 3222e705c121SKalle Valo res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 3223e705c121SKalle Valo /* should never fail */ 3224e705c121SKalle Valo WARN_ON_ONCE(res); 3225e705c121SKalle Valo 3226e705c121SKalle Valo if (res) { 3227e705c121SKalle Valo out_clear_te: 3228e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3229e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, te_data); 3230e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3231e705c121SKalle Valo } 3232e705c121SKalle Valo 3233e705c121SKalle Valo return res; 3234e705c121SKalle Valo } 3235e705c121SKalle Valo 3236e705c121SKalle Valo static int iwl_mvm_roc(struct ieee80211_hw *hw, 3237e705c121SKalle Valo struct ieee80211_vif *vif, 3238e705c121SKalle Valo struct ieee80211_channel *channel, 3239e705c121SKalle Valo int duration, 3240e705c121SKalle Valo enum ieee80211_roc_type type) 3241e705c121SKalle Valo { 3242e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3243e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3244e705c121SKalle Valo struct cfg80211_chan_def chandef; 3245e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 3246e705c121SKalle Valo int ret, i; 3247e705c121SKalle Valo 3248e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 3249e705c121SKalle Valo duration, type); 3250e705c121SKalle Valo 3251e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 3252e705c121SKalle Valo 3253e705c121SKalle Valo mutex_lock(&mvm->mutex); 3254e705c121SKalle Valo 3255e705c121SKalle Valo switch (vif->type) { 3256e705c121SKalle Valo case NL80211_IFTYPE_STATION: 3257e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 3258e705c121SKalle Valo IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 3259e705c121SKalle Valo /* Use aux roc framework (HS20) */ 3260e705c121SKalle Valo ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, 3261e705c121SKalle Valo vif, duration); 3262e705c121SKalle Valo goto out_unlock; 3263e705c121SKalle Valo } 3264e705c121SKalle Valo IWL_ERR(mvm, "hotspot not supported\n"); 3265e705c121SKalle Valo ret = -EINVAL; 3266e705c121SKalle Valo goto out_unlock; 3267e705c121SKalle Valo case NL80211_IFTYPE_P2P_DEVICE: 3268e705c121SKalle Valo /* handle below */ 3269e705c121SKalle Valo break; 3270e705c121SKalle Valo default: 3271e705c121SKalle Valo IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type); 3272e705c121SKalle Valo ret = -EINVAL; 3273e705c121SKalle Valo goto out_unlock; 3274e705c121SKalle Valo } 3275e705c121SKalle Valo 3276e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) { 3277e705c121SKalle Valo phy_ctxt = &mvm->phy_ctxts[i]; 3278e705c121SKalle Valo if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt) 3279e705c121SKalle Valo continue; 3280e705c121SKalle Valo 3281e705c121SKalle Valo if (phy_ctxt->ref && channel == phy_ctxt->channel) { 3282e705c121SKalle Valo /* 3283e705c121SKalle Valo * Unbind the P2P_DEVICE from the current PHY context, 3284e705c121SKalle Valo * and if the PHY context is not used remove it. 3285e705c121SKalle Valo */ 3286e705c121SKalle Valo ret = iwl_mvm_binding_remove_vif(mvm, vif); 3287e705c121SKalle Valo if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 3288e705c121SKalle Valo goto out_unlock; 3289e705c121SKalle Valo 3290e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 3291e705c121SKalle Valo 3292e705c121SKalle Valo /* Bind the P2P_DEVICE to the current PHY Context */ 3293e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 3294e705c121SKalle Valo 3295e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 3296e705c121SKalle Valo if (WARN(ret, "Failed binding P2P_DEVICE\n")) 3297e705c121SKalle Valo goto out_unlock; 3298e705c121SKalle Valo 3299e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 3300e705c121SKalle Valo goto schedule_time_event; 3301e705c121SKalle Valo } 3302e705c121SKalle Valo } 3303e705c121SKalle Valo 3304e705c121SKalle Valo /* Need to update the PHY context only if the ROC channel changed */ 3305e705c121SKalle Valo if (channel == mvmvif->phy_ctxt->channel) 3306e705c121SKalle Valo goto schedule_time_event; 3307e705c121SKalle Valo 3308e705c121SKalle Valo cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 3309e705c121SKalle Valo 3310e705c121SKalle Valo /* 3311e705c121SKalle Valo * Change the PHY context configuration as it is currently referenced 3312e705c121SKalle Valo * only by the P2P Device MAC 3313e705c121SKalle Valo */ 3314e705c121SKalle Valo if (mvmvif->phy_ctxt->ref == 1) { 3315e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt, 3316e705c121SKalle Valo &chandef, 1, 1); 3317e705c121SKalle Valo if (ret) 3318e705c121SKalle Valo goto out_unlock; 3319e705c121SKalle Valo } else { 3320e705c121SKalle Valo /* 3321e705c121SKalle Valo * The PHY context is shared with other MACs. Need to remove the 3322e705c121SKalle Valo * P2P Device from the binding, allocate an new PHY context and 3323e705c121SKalle Valo * create a new binding 3324e705c121SKalle Valo */ 3325e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 3326e705c121SKalle Valo if (!phy_ctxt) { 3327e705c121SKalle Valo ret = -ENOSPC; 3328e705c121SKalle Valo goto out_unlock; 3329e705c121SKalle Valo } 3330e705c121SKalle Valo 3331e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef, 3332e705c121SKalle Valo 1, 1); 3333e705c121SKalle Valo if (ret) { 3334e705c121SKalle Valo IWL_ERR(mvm, "Failed to change PHY context\n"); 3335e705c121SKalle Valo goto out_unlock; 3336e705c121SKalle Valo } 3337e705c121SKalle Valo 3338e705c121SKalle Valo /* Unbind the P2P_DEVICE from the current PHY context */ 3339e705c121SKalle Valo ret = iwl_mvm_binding_remove_vif(mvm, vif); 3340e705c121SKalle Valo if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 3341e705c121SKalle Valo goto out_unlock; 3342e705c121SKalle Valo 3343e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 3344e705c121SKalle Valo 3345e705c121SKalle Valo /* Bind the P2P_DEVICE to the new allocated PHY context */ 3346e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 3347e705c121SKalle Valo 3348e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 3349e705c121SKalle Valo if (WARN(ret, "Failed binding P2P_DEVICE\n")) 3350e705c121SKalle Valo goto out_unlock; 3351e705c121SKalle Valo 3352e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 3353e705c121SKalle Valo } 3354e705c121SKalle Valo 3355e705c121SKalle Valo schedule_time_event: 3356e705c121SKalle Valo /* Schedule the time events */ 3357e705c121SKalle Valo ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 3358e705c121SKalle Valo 3359e705c121SKalle Valo out_unlock: 3360e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3361e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 3362e705c121SKalle Valo return ret; 3363e705c121SKalle Valo } 3364e705c121SKalle Valo 3365e705c121SKalle Valo static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw) 3366e705c121SKalle Valo { 3367e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3368e705c121SKalle Valo 3369e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter\n"); 3370e705c121SKalle Valo 3371e705c121SKalle Valo mutex_lock(&mvm->mutex); 3372e705c121SKalle Valo iwl_mvm_stop_roc(mvm); 3373e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3374e705c121SKalle Valo 3375e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 3376e705c121SKalle Valo return 0; 3377e705c121SKalle Valo } 3378e705c121SKalle Valo 3379e705c121SKalle Valo static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 3380e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3381e705c121SKalle Valo { 3382e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 3383e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 3384e705c121SKalle Valo int ret; 3385e705c121SKalle Valo 3386e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3387e705c121SKalle Valo 3388e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 3389e705c121SKalle Valo 3390e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 3391e705c121SKalle Valo if (!phy_ctxt) { 3392e705c121SKalle Valo ret = -ENOSPC; 3393e705c121SKalle Valo goto out; 3394e705c121SKalle Valo } 3395e705c121SKalle Valo 3396e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def, 3397e705c121SKalle Valo ctx->rx_chains_static, 3398e705c121SKalle Valo ctx->rx_chains_dynamic); 3399e705c121SKalle Valo if (ret) { 3400e705c121SKalle Valo IWL_ERR(mvm, "Failed to add PHY context\n"); 3401e705c121SKalle Valo goto out; 3402e705c121SKalle Valo } 3403e705c121SKalle Valo 3404e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt); 3405e705c121SKalle Valo *phy_ctxt_id = phy_ctxt->id; 3406e705c121SKalle Valo out: 3407e705c121SKalle Valo return ret; 3408e705c121SKalle Valo } 3409e705c121SKalle Valo 3410e705c121SKalle Valo static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 3411e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3412e705c121SKalle Valo { 3413e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3414e705c121SKalle Valo int ret; 3415e705c121SKalle Valo 3416e705c121SKalle Valo mutex_lock(&mvm->mutex); 3417e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, ctx); 3418e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3419e705c121SKalle Valo 3420e705c121SKalle Valo return ret; 3421e705c121SKalle Valo } 3422e705c121SKalle Valo 3423e705c121SKalle Valo static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 3424e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 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 3429e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3430e705c121SKalle Valo 3431e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 3432e705c121SKalle Valo } 3433e705c121SKalle Valo 3434e705c121SKalle Valo static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 3435e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3436e705c121SKalle Valo { 3437e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3438e705c121SKalle Valo 3439e705c121SKalle Valo mutex_lock(&mvm->mutex); 3440e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, ctx); 3441e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3442e705c121SKalle Valo } 3443e705c121SKalle Valo 3444e705c121SKalle Valo static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 3445e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 3446e705c121SKalle Valo u32 changed) 3447e705c121SKalle Valo { 3448e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3449e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 3450e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 3451e705c121SKalle Valo 3452e705c121SKalle Valo if (WARN_ONCE((phy_ctxt->ref > 1) && 3453e705c121SKalle Valo (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 3454e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 3455e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RADAR | 3456e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), 3457e705c121SKalle Valo "Cannot change PHY. Ref=%d, changed=0x%X\n", 3458e705c121SKalle Valo phy_ctxt->ref, changed)) 3459e705c121SKalle Valo return; 3460e705c121SKalle Valo 3461e705c121SKalle Valo mutex_lock(&mvm->mutex); 3462e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 3463e705c121SKalle Valo iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def, 3464e705c121SKalle Valo ctx->rx_chains_static, 3465e705c121SKalle Valo ctx->rx_chains_dynamic); 3466e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3467e705c121SKalle Valo } 3468e705c121SKalle Valo 3469e705c121SKalle Valo static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 3470e705c121SKalle Valo struct ieee80211_vif *vif, 3471e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 3472e705c121SKalle Valo bool switching_chanctx) 3473e705c121SKalle Valo { 3474e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 3475e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 3476e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3477e705c121SKalle Valo int ret; 3478e705c121SKalle Valo 3479e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3480e705c121SKalle Valo 3481e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 3482e705c121SKalle Valo 3483e705c121SKalle Valo switch (vif->type) { 3484e705c121SKalle Valo case NL80211_IFTYPE_AP: 3485e705c121SKalle Valo /* only needed if we're switching chanctx (i.e. during CSA) */ 3486e705c121SKalle Valo if (switching_chanctx) { 3487e705c121SKalle Valo mvmvif->ap_ibss_active = true; 3488e705c121SKalle Valo break; 3489e705c121SKalle Valo } 3490e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 3491e705c121SKalle Valo /* 3492e705c121SKalle Valo * The AP binding flow is handled as part of the start_ap flow 3493e705c121SKalle Valo * (in bss_info_changed), similarly for IBSS. 3494e705c121SKalle Valo */ 3495e705c121SKalle Valo ret = 0; 3496e705c121SKalle Valo goto out; 3497e705c121SKalle Valo case NL80211_IFTYPE_STATION: 3498e705c121SKalle Valo break; 3499e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 3500e705c121SKalle Valo /* always disable PS when a monitor interface is active */ 3501e705c121SKalle Valo mvmvif->ps_disabled = true; 3502e705c121SKalle Valo break; 3503e705c121SKalle Valo default: 3504e705c121SKalle Valo ret = -EINVAL; 3505e705c121SKalle Valo goto out; 3506e705c121SKalle Valo } 3507e705c121SKalle Valo 3508e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 3509e705c121SKalle Valo if (ret) 3510e705c121SKalle Valo goto out; 3511e705c121SKalle Valo 3512e705c121SKalle Valo /* 3513e705c121SKalle Valo * Power state must be updated before quotas, 3514e705c121SKalle Valo * otherwise fw will complain. 3515e705c121SKalle Valo */ 3516e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 3517e705c121SKalle Valo 3518e705c121SKalle Valo /* Setting the quota at this stage is only required for monitor 3519e705c121SKalle Valo * interfaces. For the other types, the bss_info changed flow 3520e705c121SKalle Valo * will handle quota settings. 3521e705c121SKalle Valo */ 3522e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_MONITOR) { 3523e705c121SKalle Valo mvmvif->monitor_active = true; 3524e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 3525e705c121SKalle Valo if (ret) 3526e705c121SKalle Valo goto out_remove_binding; 35270e39eb03SChaya Rachel Ivgi 35280e39eb03SChaya Rachel Ivgi ret = iwl_mvm_add_snif_sta(mvm, vif); 35290e39eb03SChaya Rachel Ivgi if (ret) 35300e39eb03SChaya Rachel Ivgi goto out_remove_binding; 35310e39eb03SChaya Rachel Ivgi 3532e705c121SKalle Valo } 3533e705c121SKalle Valo 3534e705c121SKalle Valo /* Handle binding during CSA */ 3535e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) { 3536e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 3537e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 3538e705c121SKalle Valo } 3539e705c121SKalle Valo 3540e705c121SKalle Valo if (switching_chanctx && vif->type == NL80211_IFTYPE_STATION) { 3541e705c121SKalle Valo u32 duration = 2 * vif->bss_conf.beacon_int; 3542e705c121SKalle Valo 3543e705c121SKalle Valo /* iwl_mvm_protect_session() reads directly from the 3544e705c121SKalle Valo * device (the system time), so make sure it is 3545e705c121SKalle Valo * available. 3546e705c121SKalle Valo */ 3547e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_CSA); 3548e705c121SKalle Valo if (ret) 3549e705c121SKalle Valo goto out_remove_binding; 3550e705c121SKalle Valo 3551e705c121SKalle Valo /* Protect the session to make sure we hear the first 3552e705c121SKalle Valo * beacon on the new channel. 3553e705c121SKalle Valo */ 3554e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, duration, duration, 3555e705c121SKalle Valo vif->bss_conf.beacon_int / 2, 3556e705c121SKalle Valo true); 3557e705c121SKalle Valo 3558e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_CSA); 3559e705c121SKalle Valo 3560e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 3561e705c121SKalle Valo } 3562e705c121SKalle Valo 3563e705c121SKalle Valo goto out; 3564e705c121SKalle Valo 3565e705c121SKalle Valo out_remove_binding: 3566e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 3567e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 3568e705c121SKalle Valo out: 3569e705c121SKalle Valo if (ret) 3570e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 3571e705c121SKalle Valo return ret; 3572e705c121SKalle Valo } 3573e705c121SKalle Valo static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 3574e705c121SKalle Valo struct ieee80211_vif *vif, 3575e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3576e705c121SKalle Valo { 3577e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3578e705c121SKalle Valo int ret; 3579e705c121SKalle Valo 3580e705c121SKalle Valo mutex_lock(&mvm->mutex); 3581e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false); 3582e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3583e705c121SKalle Valo 3584e705c121SKalle Valo return ret; 3585e705c121SKalle Valo } 3586e705c121SKalle Valo 3587e705c121SKalle Valo static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 3588e705c121SKalle Valo struct ieee80211_vif *vif, 3589e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 3590e705c121SKalle Valo bool switching_chanctx) 3591e705c121SKalle Valo { 3592e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3593e705c121SKalle Valo struct ieee80211_vif *disabled_vif = NULL; 3594e705c121SKalle Valo 3595e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3596e705c121SKalle Valo 3597e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data); 3598e705c121SKalle Valo 3599e705c121SKalle Valo switch (vif->type) { 3600e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 3601e705c121SKalle Valo goto out; 3602e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 3603e705c121SKalle Valo mvmvif->monitor_active = false; 3604e705c121SKalle Valo mvmvif->ps_disabled = false; 36050e39eb03SChaya Rachel Ivgi iwl_mvm_rm_snif_sta(mvm, vif); 3606e705c121SKalle Valo break; 3607e705c121SKalle Valo case NL80211_IFTYPE_AP: 3608e705c121SKalle Valo /* This part is triggered only during CSA */ 3609e705c121SKalle Valo if (!switching_chanctx || !mvmvif->ap_ibss_active) 3610e705c121SKalle Valo goto out; 3611e705c121SKalle Valo 3612e705c121SKalle Valo mvmvif->csa_countdown = false; 3613e705c121SKalle Valo 3614e705c121SKalle Valo /* Set CS bit on all the stations */ 3615e705c121SKalle Valo iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 3616e705c121SKalle Valo 3617e705c121SKalle Valo /* Save blocked iface, the timeout is set on the next beacon */ 3618e705c121SKalle Valo rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 3619e705c121SKalle Valo 3620e705c121SKalle Valo mvmvif->ap_ibss_active = false; 3621e705c121SKalle Valo break; 3622e705c121SKalle Valo case NL80211_IFTYPE_STATION: 3623e705c121SKalle Valo if (!switching_chanctx) 3624e705c121SKalle Valo break; 3625e705c121SKalle Valo 3626e705c121SKalle Valo disabled_vif = vif; 3627e705c121SKalle Valo 3628e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 3629e705c121SKalle Valo break; 3630e705c121SKalle Valo default: 3631e705c121SKalle Valo break; 3632e705c121SKalle Valo } 3633e705c121SKalle Valo 3634e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, disabled_vif); 3635e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 3636e705c121SKalle Valo 3637e705c121SKalle Valo out: 3638e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 3639e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 3640e705c121SKalle Valo } 3641e705c121SKalle Valo 3642e705c121SKalle Valo static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 3643e705c121SKalle Valo struct ieee80211_vif *vif, 3644e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3645e705c121SKalle Valo { 3646e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3647e705c121SKalle Valo 3648e705c121SKalle Valo mutex_lock(&mvm->mutex); 3649e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false); 3650e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3651e705c121SKalle Valo } 3652e705c121SKalle Valo 3653e705c121SKalle Valo static int 3654e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 3655e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs) 3656e705c121SKalle Valo { 3657e705c121SKalle Valo int ret; 3658e705c121SKalle Valo 3659e705c121SKalle Valo mutex_lock(&mvm->mutex); 3660e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); 3661e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 3662e705c121SKalle Valo 3663e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 3664e705c121SKalle Valo if (ret) { 3665e705c121SKalle Valo IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 3666e705c121SKalle Valo goto out_reassign; 3667e705c121SKalle Valo } 3668e705c121SKalle Valo 3669e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, 3670e705c121SKalle Valo true); 3671e705c121SKalle Valo if (ret) { 3672e705c121SKalle Valo IWL_ERR(mvm, 3673e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 3674e705c121SKalle Valo goto out_remove; 3675e705c121SKalle Valo } 3676e705c121SKalle Valo 3677e705c121SKalle Valo /* we don't support TDLS during DCM - can be caused by channel switch */ 3678e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 3679e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 3680e705c121SKalle Valo 3681e705c121SKalle Valo goto out; 3682e705c121SKalle Valo 3683e705c121SKalle Valo out_remove: 3684e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 3685e705c121SKalle Valo 3686e705c121SKalle Valo out_reassign: 3687e705c121SKalle Valo if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 3688e705c121SKalle Valo IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 3689e705c121SKalle Valo goto out_restart; 3690e705c121SKalle Valo } 3691e705c121SKalle Valo 3692e705c121SKalle Valo if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, 3693e705c121SKalle Valo true)) { 3694e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 3695e705c121SKalle Valo goto out_restart; 3696e705c121SKalle Valo } 3697e705c121SKalle Valo 3698e705c121SKalle Valo goto out; 3699e705c121SKalle Valo 3700e705c121SKalle Valo out_restart: 3701e705c121SKalle Valo /* things keep failing, better restart the hw */ 3702e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 3703e705c121SKalle Valo 3704e705c121SKalle Valo out: 3705e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3706e705c121SKalle Valo 3707e705c121SKalle Valo return ret; 3708e705c121SKalle Valo } 3709e705c121SKalle Valo 3710e705c121SKalle Valo static int 3711e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 3712e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs) 3713e705c121SKalle Valo { 3714e705c121SKalle Valo int ret; 3715e705c121SKalle Valo 3716e705c121SKalle Valo mutex_lock(&mvm->mutex); 3717e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); 3718e705c121SKalle Valo 3719e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, 3720e705c121SKalle Valo true); 3721e705c121SKalle Valo if (ret) { 3722e705c121SKalle Valo IWL_ERR(mvm, 3723e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 3724e705c121SKalle Valo goto out_reassign; 3725e705c121SKalle Valo } 3726e705c121SKalle Valo 3727e705c121SKalle Valo goto out; 3728e705c121SKalle Valo 3729e705c121SKalle Valo out_reassign: 3730e705c121SKalle Valo if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, 3731e705c121SKalle Valo true)) { 3732e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 3733e705c121SKalle Valo goto out_restart; 3734e705c121SKalle Valo } 3735e705c121SKalle Valo 3736e705c121SKalle Valo goto out; 3737e705c121SKalle Valo 3738e705c121SKalle Valo out_restart: 3739e705c121SKalle Valo /* things keep failing, better restart the hw */ 3740e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 3741e705c121SKalle Valo 3742e705c121SKalle Valo out: 3743e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3744e705c121SKalle Valo 3745e705c121SKalle Valo return ret; 3746e705c121SKalle Valo } 3747e705c121SKalle Valo 3748e705c121SKalle Valo static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 3749e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs, 3750e705c121SKalle Valo int n_vifs, 3751e705c121SKalle Valo enum ieee80211_chanctx_switch_mode mode) 3752e705c121SKalle Valo { 3753e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3754e705c121SKalle Valo int ret; 3755e705c121SKalle Valo 3756e705c121SKalle Valo /* we only support a single-vif right now */ 3757e705c121SKalle Valo if (n_vifs > 1) 3758e705c121SKalle Valo return -EOPNOTSUPP; 3759e705c121SKalle Valo 3760e705c121SKalle Valo switch (mode) { 3761e705c121SKalle Valo case CHANCTX_SWMODE_SWAP_CONTEXTS: 3762e705c121SKalle Valo ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs); 3763e705c121SKalle Valo break; 3764e705c121SKalle Valo case CHANCTX_SWMODE_REASSIGN_VIF: 3765e705c121SKalle Valo ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs); 3766e705c121SKalle Valo break; 3767e705c121SKalle Valo default: 3768e705c121SKalle Valo ret = -EOPNOTSUPP; 3769e705c121SKalle Valo break; 3770e705c121SKalle Valo } 3771e705c121SKalle Valo 3772e705c121SKalle Valo return ret; 3773e705c121SKalle Valo } 3774e705c121SKalle Valo 37752f0282dbSJohannes Berg static int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 37762f0282dbSJohannes Berg { 37772f0282dbSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 37782f0282dbSJohannes Berg 37792f0282dbSJohannes Berg return mvm->ibss_manager; 37802f0282dbSJohannes Berg } 37812f0282dbSJohannes Berg 3782e705c121SKalle Valo static int iwl_mvm_set_tim(struct ieee80211_hw *hw, 3783e705c121SKalle Valo struct ieee80211_sta *sta, 3784e705c121SKalle Valo bool set) 3785e705c121SKalle Valo { 3786e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3787e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3788e705c121SKalle Valo 3789e705c121SKalle Valo if (!mvm_sta || !mvm_sta->vif) { 3790e705c121SKalle Valo IWL_ERR(mvm, "Station is not associated to a vif\n"); 3791e705c121SKalle Valo return -EINVAL; 3792e705c121SKalle Valo } 3793e705c121SKalle Valo 3794e705c121SKalle Valo return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif); 3795e705c121SKalle Valo } 3796e705c121SKalle Valo 3797e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 3798e705c121SKalle Valo static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { 3799e705c121SKalle Valo [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, 3800e705c121SKalle Valo [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, 3801e705c121SKalle Valo [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, 3802e705c121SKalle Valo }; 3803e705c121SKalle Valo 3804e705c121SKalle Valo static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, 3805e705c121SKalle Valo struct ieee80211_vif *vif, 3806e705c121SKalle Valo void *data, int len) 3807e705c121SKalle Valo { 3808e705c121SKalle Valo struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; 3809e705c121SKalle Valo int err; 3810e705c121SKalle Valo u32 noa_duration; 3811e705c121SKalle Valo 3812fceb6435SJohannes Berg err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy, 3813fceb6435SJohannes Berg NULL); 3814e705c121SKalle Valo if (err) 3815e705c121SKalle Valo return err; 3816e705c121SKalle Valo 3817e705c121SKalle Valo if (!tb[IWL_MVM_TM_ATTR_CMD]) 3818e705c121SKalle Valo return -EINVAL; 3819e705c121SKalle Valo 3820e705c121SKalle Valo switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { 3821e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_NOA: 3822e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || 3823e705c121SKalle Valo !vif->bss_conf.enable_beacon || 3824e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) 3825e705c121SKalle Valo return -EINVAL; 3826e705c121SKalle Valo 3827e705c121SKalle Valo noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); 3828e705c121SKalle Valo if (noa_duration >= vif->bss_conf.beacon_int) 3829e705c121SKalle Valo return -EINVAL; 3830e705c121SKalle Valo 3831e705c121SKalle Valo mvm->noa_duration = noa_duration; 3832e705c121SKalle Valo mvm->noa_vif = vif; 3833e705c121SKalle Valo 3834e705c121SKalle Valo return iwl_mvm_update_quotas(mvm, false, NULL); 3835e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_BEACON_FILTER: 3836e705c121SKalle Valo /* must be associated client vif - ignore authorized */ 3837e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_STATION || 3838e705c121SKalle Valo !vif->bss_conf.assoc || !vif->bss_conf.dtim_period || 3839e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) 3840e705c121SKalle Valo return -EINVAL; 3841e705c121SKalle Valo 3842e705c121SKalle Valo if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) 3843e705c121SKalle Valo return iwl_mvm_enable_beacon_filter(mvm, vif, 0); 3844e705c121SKalle Valo return iwl_mvm_disable_beacon_filter(mvm, vif, 0); 3845e705c121SKalle Valo } 3846e705c121SKalle Valo 3847e705c121SKalle Valo return -EOPNOTSUPP; 3848e705c121SKalle Valo } 3849e705c121SKalle Valo 3850e705c121SKalle Valo static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, 3851e705c121SKalle Valo struct ieee80211_vif *vif, 3852e705c121SKalle Valo void *data, int len) 3853e705c121SKalle Valo { 3854e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3855e705c121SKalle Valo int err; 3856e705c121SKalle Valo 3857e705c121SKalle Valo mutex_lock(&mvm->mutex); 3858e705c121SKalle Valo err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); 3859e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3860e705c121SKalle Valo 3861e705c121SKalle Valo return err; 3862e705c121SKalle Valo } 3863e705c121SKalle Valo #endif 3864e705c121SKalle Valo 3865e705c121SKalle Valo static void iwl_mvm_channel_switch(struct ieee80211_hw *hw, 3866e705c121SKalle Valo struct ieee80211_vif *vif, 3867e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 3868e705c121SKalle Valo { 3869e705c121SKalle Valo /* By implementing this operation, we prevent mac80211 from 3870e705c121SKalle Valo * starting its own channel switch timer, so that we can call 3871e705c121SKalle Valo * ieee80211_chswitch_done() ourselves at the right time 3872e705c121SKalle Valo * (which is when the absence time event starts). 3873e705c121SKalle Valo */ 3874e705c121SKalle Valo 3875e705c121SKalle Valo IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 3876e705c121SKalle Valo "dummy channel switch op\n"); 3877e705c121SKalle Valo } 3878e705c121SKalle Valo 3879e705c121SKalle Valo static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, 3880e705c121SKalle Valo struct ieee80211_vif *vif, 3881e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 3882e705c121SKalle Valo { 3883e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3884e705c121SKalle Valo struct ieee80211_vif *csa_vif; 3885e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3886e705c121SKalle Valo u32 apply_time; 3887e705c121SKalle Valo int ret; 3888e705c121SKalle Valo 3889e705c121SKalle Valo mutex_lock(&mvm->mutex); 3890e705c121SKalle Valo 3891e705c121SKalle Valo mvmvif->csa_failed = false; 3892e705c121SKalle Valo 3893e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 3894e705c121SKalle Valo chsw->chandef.center_freq1); 3895e705c121SKalle Valo 38967174beb6SJohannes Berg iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 38977174beb6SJohannes Berg ieee80211_vif_to_wdev(vif), 38987174beb6SJohannes Berg FW_DBG_TRIGGER_CHANNEL_SWITCH); 3899e705c121SKalle Valo 3900e705c121SKalle Valo switch (vif->type) { 3901e705c121SKalle Valo case NL80211_IFTYPE_AP: 3902e705c121SKalle Valo csa_vif = 3903e705c121SKalle Valo rcu_dereference_protected(mvm->csa_vif, 3904e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 3905e705c121SKalle Valo if (WARN_ONCE(csa_vif && csa_vif->csa_active, 3906e705c121SKalle Valo "Another CSA is already in progress")) { 3907e705c121SKalle Valo ret = -EBUSY; 3908e705c121SKalle Valo goto out_unlock; 3909e705c121SKalle Valo } 3910e705c121SKalle Valo 3911d3a108a4SAndrei Otcheretianski /* we still didn't unblock tx. prevent new CS meanwhile */ 3912d3a108a4SAndrei Otcheretianski if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 3913d3a108a4SAndrei Otcheretianski lockdep_is_held(&mvm->mutex))) { 3914d3a108a4SAndrei Otcheretianski ret = -EBUSY; 3915d3a108a4SAndrei Otcheretianski goto out_unlock; 3916d3a108a4SAndrei Otcheretianski } 3917d3a108a4SAndrei Otcheretianski 3918e705c121SKalle Valo rcu_assign_pointer(mvm->csa_vif, vif); 3919e705c121SKalle Valo 3920e705c121SKalle Valo if (WARN_ONCE(mvmvif->csa_countdown, 3921e705c121SKalle Valo "Previous CSA countdown didn't complete")) { 3922e705c121SKalle Valo ret = -EBUSY; 3923e705c121SKalle Valo goto out_unlock; 3924e705c121SKalle Valo } 3925e705c121SKalle Valo 3926d3a108a4SAndrei Otcheretianski mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 3927d3a108a4SAndrei Otcheretianski 3928e705c121SKalle Valo break; 3929e705c121SKalle Valo case NL80211_IFTYPE_STATION: 393003098268SAviya Erenfeld if (mvmvif->lqm_active) 393103098268SAviya Erenfeld iwl_mvm_send_lqm_cmd(vif, 393203098268SAviya Erenfeld LQM_CMD_OPERATION_STOP_MEASUREMENT, 393303098268SAviya Erenfeld 0, 0); 393403098268SAviya Erenfeld 3935e705c121SKalle Valo /* Schedule the time event to a bit before beacon 1, 3936e705c121SKalle Valo * to make sure we're in the new channel when the 3937e705c121SKalle Valo * GO/AP arrives. 3938e705c121SKalle Valo */ 3939e705c121SKalle Valo apply_time = chsw->device_timestamp + 3940e705c121SKalle Valo ((vif->bss_conf.beacon_int * (chsw->count - 1) - 3941e705c121SKalle Valo IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 3942e705c121SKalle Valo 3943e705c121SKalle Valo if (chsw->block_tx) 3944e705c121SKalle Valo iwl_mvm_csa_client_absent(mvm, vif); 3945e705c121SKalle Valo 3946e705c121SKalle Valo iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, 3947e705c121SKalle Valo apply_time); 3948e705c121SKalle Valo if (mvmvif->bf_data.bf_enabled) { 3949e705c121SKalle Valo ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 3950e705c121SKalle Valo if (ret) 3951e705c121SKalle Valo goto out_unlock; 3952e705c121SKalle Valo } 3953e705c121SKalle Valo 3954e705c121SKalle Valo break; 3955e705c121SKalle Valo default: 3956e705c121SKalle Valo break; 3957e705c121SKalle Valo } 3958e705c121SKalle Valo 3959e705c121SKalle Valo mvmvif->ps_disabled = true; 3960e705c121SKalle Valo 3961e705c121SKalle Valo ret = iwl_mvm_power_update_ps(mvm); 3962e705c121SKalle Valo if (ret) 3963e705c121SKalle Valo goto out_unlock; 3964e705c121SKalle Valo 3965e705c121SKalle Valo /* we won't be on this channel any longer */ 3966e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 3967e705c121SKalle Valo 3968e705c121SKalle Valo out_unlock: 3969e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3970e705c121SKalle Valo 3971e705c121SKalle Valo return ret; 3972e705c121SKalle Valo } 3973e705c121SKalle Valo 3974e705c121SKalle Valo static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 3975e705c121SKalle Valo struct ieee80211_vif *vif) 3976e705c121SKalle Valo { 3977e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3978e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3979e705c121SKalle Valo int ret; 3980e705c121SKalle Valo 3981e705c121SKalle Valo mutex_lock(&mvm->mutex); 3982e705c121SKalle Valo 3983e705c121SKalle Valo if (mvmvif->csa_failed) { 3984e705c121SKalle Valo mvmvif->csa_failed = false; 3985e705c121SKalle Valo ret = -EIO; 3986e705c121SKalle Valo goto out_unlock; 3987e705c121SKalle Valo } 3988e705c121SKalle Valo 3989e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION) { 3990e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 3991e705c121SKalle Valo 3992e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_staid_protected(mvm, 3993e705c121SKalle Valo mvmvif->ap_sta_id); 3994e705c121SKalle Valo 3995e705c121SKalle Valo if (WARN_ON(!mvmsta)) { 3996e705c121SKalle Valo ret = -EIO; 3997e705c121SKalle Valo goto out_unlock; 3998e705c121SKalle Valo } 3999e705c121SKalle Valo 4000e705c121SKalle Valo iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 4001e705c121SKalle Valo 4002e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4003e705c121SKalle Valo 4004e705c121SKalle Valo ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 4005e705c121SKalle Valo if (ret) 4006e705c121SKalle Valo goto out_unlock; 4007e705c121SKalle Valo 4008e705c121SKalle Valo iwl_mvm_stop_session_protection(mvm, vif); 4009e705c121SKalle Valo } 4010e705c121SKalle Valo 4011e705c121SKalle Valo mvmvif->ps_disabled = false; 4012e705c121SKalle Valo 4013e705c121SKalle Valo ret = iwl_mvm_power_update_ps(mvm); 4014e705c121SKalle Valo 4015e705c121SKalle Valo out_unlock: 4016e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4017e705c121SKalle Valo 4018e705c121SKalle Valo return ret; 4019e705c121SKalle Valo } 4020e705c121SKalle Valo 4021e705c121SKalle Valo static void iwl_mvm_mac_flush(struct ieee80211_hw *hw, 4022e705c121SKalle Valo struct ieee80211_vif *vif, u32 queues, bool drop) 4023e705c121SKalle Valo { 4024e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4025e705c121SKalle Valo struct iwl_mvm_vif *mvmvif; 4026e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 4027e705c121SKalle Valo struct ieee80211_sta *sta; 4028e705c121SKalle Valo int i; 4029e705c121SKalle Valo u32 msk = 0; 4030e705c121SKalle Valo 4031e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_STATION) 4032e705c121SKalle Valo return; 4033e705c121SKalle Valo 403424afba76SLiad Kaufman /* Make sure we're done with the deferred traffic before flushing */ 403524afba76SLiad Kaufman if (iwl_mvm_is_dqa_supported(mvm)) 403624afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 403724afba76SLiad Kaufman 4038e705c121SKalle Valo mutex_lock(&mvm->mutex); 4039e705c121SKalle Valo mvmvif = iwl_mvm_vif_from_mac80211(vif); 4040e705c121SKalle Valo 4041e705c121SKalle Valo /* flush the AP-station and all TDLS peers */ 40420ae98812SSara Sharon for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) { 4043e705c121SKalle Valo sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 4044e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 4045e705c121SKalle Valo if (IS_ERR_OR_NULL(sta)) 4046e705c121SKalle Valo continue; 4047e705c121SKalle Valo 4048e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_mac80211(sta); 4049e705c121SKalle Valo if (mvmsta->vif != vif) 4050e705c121SKalle Valo continue; 4051e705c121SKalle Valo 4052e705c121SKalle Valo /* make sure only TDLS peers or the AP are flushed */ 4053e705c121SKalle Valo WARN_ON(i != mvmvif->ap_sta_id && !sta->tdls); 4054e705c121SKalle Valo 4055d49394a1SSara Sharon if (drop) { 4056d49394a1SSara Sharon if (iwl_mvm_flush_sta(mvm, mvmsta, false, 0)) 4057d49394a1SSara Sharon IWL_ERR(mvm, "flush request fail\n"); 4058d49394a1SSara Sharon } else { 4059e705c121SKalle Valo msk |= mvmsta->tfd_queue_msk; 4060d6d517b7SSara Sharon if (iwl_mvm_has_new_tx_api(mvm)) 4061d6d517b7SSara Sharon iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 4062e705c121SKalle Valo } 4063d49394a1SSara Sharon } 4064e705c121SKalle Valo 4065e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4066e705c121SKalle Valo 4067e705c121SKalle Valo /* this can take a while, and we may need/want other operations 4068e705c121SKalle Valo * to succeed while doing this, so do it without the mutex held 4069e705c121SKalle Valo */ 4070d6d517b7SSara Sharon if (!drop && !iwl_mvm_has_new_tx_api(mvm)) 4071a1a57877SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 4072e705c121SKalle Valo } 4073e705c121SKalle Valo 4074e705c121SKalle Valo static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 4075e705c121SKalle Valo struct survey_info *survey) 4076e705c121SKalle Valo { 4077e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4078e705c121SKalle Valo int ret; 4079e705c121SKalle Valo 4080e705c121SKalle Valo memset(survey, 0, sizeof(*survey)); 4081e705c121SKalle Valo 4082e705c121SKalle Valo /* only support global statistics right now */ 4083e705c121SKalle Valo if (idx != 0) 4084e705c121SKalle Valo return -ENOENT; 4085e705c121SKalle Valo 4086280a3efaSJohannes Berg if (!fw_has_capa(&mvm->fw->ucode_capa, 4087e705c121SKalle Valo IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 4088e705c121SKalle Valo return -ENOENT; 4089e705c121SKalle Valo 4090e705c121SKalle Valo mutex_lock(&mvm->mutex); 4091e705c121SKalle Valo 4092aab6930dSJohannes Berg if (iwl_mvm_firmware_running(mvm)) { 4093e705c121SKalle Valo ret = iwl_mvm_request_statistics(mvm, false); 4094e705c121SKalle Valo if (ret) 4095e705c121SKalle Valo goto out; 4096e705c121SKalle Valo } 4097e705c121SKalle Valo 4098e705c121SKalle Valo survey->filled = SURVEY_INFO_TIME | 4099e705c121SKalle Valo SURVEY_INFO_TIME_RX | 4100e705c121SKalle Valo SURVEY_INFO_TIME_TX | 4101e705c121SKalle Valo SURVEY_INFO_TIME_SCAN; 4102e705c121SKalle Valo survey->time = mvm->accu_radio_stats.on_time_rf + 4103e705c121SKalle Valo mvm->radio_stats.on_time_rf; 4104e705c121SKalle Valo do_div(survey->time, USEC_PER_MSEC); 4105e705c121SKalle Valo 4106e705c121SKalle Valo survey->time_rx = mvm->accu_radio_stats.rx_time + 4107e705c121SKalle Valo mvm->radio_stats.rx_time; 4108e705c121SKalle Valo do_div(survey->time_rx, USEC_PER_MSEC); 4109e705c121SKalle Valo 4110e705c121SKalle Valo survey->time_tx = mvm->accu_radio_stats.tx_time + 4111e705c121SKalle Valo mvm->radio_stats.tx_time; 4112e705c121SKalle Valo do_div(survey->time_tx, USEC_PER_MSEC); 4113e705c121SKalle Valo 4114e705c121SKalle Valo survey->time_scan = mvm->accu_radio_stats.on_time_scan + 4115e705c121SKalle Valo mvm->radio_stats.on_time_scan; 4116e705c121SKalle Valo do_div(survey->time_scan, USEC_PER_MSEC); 4117e705c121SKalle Valo 4118e705c121SKalle Valo ret = 0; 4119e705c121SKalle Valo out: 4120e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4121e705c121SKalle Valo return ret; 4122e705c121SKalle Valo } 4123e705c121SKalle Valo 4124e705c121SKalle Valo static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 4125e705c121SKalle Valo struct ieee80211_vif *vif, 4126e705c121SKalle Valo struct ieee80211_sta *sta, 4127e705c121SKalle Valo struct station_info *sinfo) 4128e705c121SKalle Valo { 4129e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4130e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4131e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 4132e705c121SKalle Valo 4133988b5968SSara Sharon if (mvmsta->avg_energy) { 4134988b5968SSara Sharon sinfo->signal_avg = mvmsta->avg_energy; 4135988b5968SSara Sharon sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL_AVG); 4136988b5968SSara Sharon } 4137988b5968SSara Sharon 4138280a3efaSJohannes Berg if (!fw_has_capa(&mvm->fw->ucode_capa, 4139e705c121SKalle Valo IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 4140e705c121SKalle Valo return; 4141e705c121SKalle Valo 4142e705c121SKalle Valo /* if beacon filtering isn't on mac80211 does it anyway */ 4143e705c121SKalle Valo if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 4144e705c121SKalle Valo return; 4145e705c121SKalle Valo 4146e705c121SKalle Valo if (!vif->bss_conf.assoc) 4147e705c121SKalle Valo return; 4148e705c121SKalle Valo 4149e705c121SKalle Valo mutex_lock(&mvm->mutex); 4150e705c121SKalle Valo 4151e705c121SKalle Valo if (mvmvif->ap_sta_id != mvmsta->sta_id) 4152e705c121SKalle Valo goto unlock; 4153e705c121SKalle Valo 4154e705c121SKalle Valo if (iwl_mvm_request_statistics(mvm, false)) 4155e705c121SKalle Valo goto unlock; 4156e705c121SKalle Valo 4157e705c121SKalle Valo sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons + 4158e705c121SKalle Valo mvmvif->beacon_stats.accu_num_beacons; 4159e705c121SKalle Valo sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_RX); 4160e705c121SKalle Valo if (mvmvif->beacon_stats.avg_signal) { 4161e705c121SKalle Valo /* firmware only reports a value after RXing a few beacons */ 4162e705c121SKalle Valo sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal; 4163e705c121SKalle Valo sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 4164e705c121SKalle Valo } 4165e705c121SKalle Valo unlock: 4166e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4167e705c121SKalle Valo } 4168e705c121SKalle Valo 4169e705c121SKalle Valo static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 4170e705c121SKalle Valo struct ieee80211_vif *vif, 4171e705c121SKalle Valo const struct ieee80211_event *event) 4172e705c121SKalle Valo { 41734c324a51SLuca Coelho #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 4174e705c121SKalle Valo do { \ 41754c324a51SLuca Coelho if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 4176e705c121SKalle Valo break; \ 41777174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 4178e705c121SKalle Valo } while (0) 4179e705c121SKalle Valo 4180e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 4181e705c121SKalle Valo struct iwl_fw_dbg_trigger_mlme *trig_mlme; 4182e705c121SKalle Valo 4183e705c121SKalle Valo if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_MLME)) 4184e705c121SKalle Valo return; 4185e705c121SKalle Valo 4186e705c121SKalle Valo trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_MLME); 4187e705c121SKalle Valo trig_mlme = (void *)trig->data; 41887174beb6SJohannes Berg if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt, 41897174beb6SJohannes Berg ieee80211_vif_to_wdev(vif), trig)) 4190e705c121SKalle Valo return; 4191e705c121SKalle Valo 4192e705c121SKalle Valo if (event->u.mlme.data == ASSOC_EVENT) { 4193e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 41944c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_denied, 4195e705c121SKalle Valo "DENIED ASSOC: reason %d", 4196e705c121SKalle Valo event->u.mlme.reason); 4197e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 41984c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_timeout, 4199e705c121SKalle Valo "ASSOC TIMEOUT"); 4200e705c121SKalle Valo } else if (event->u.mlme.data == AUTH_EVENT) { 4201e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 42024c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_denied, 4203e705c121SKalle Valo "DENIED AUTH: reason %d", 4204e705c121SKalle Valo event->u.mlme.reason); 4205e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 42064c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_timeout, 4207e705c121SKalle Valo "AUTH TIMEOUT"); 4208e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 42094c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_rx_deauth, 4210e705c121SKalle Valo "DEAUTH RX %d", event->u.mlme.reason); 4211e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 42124c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_tx_deauth, 4213e705c121SKalle Valo "DEAUTH TX %d", event->u.mlme.reason); 4214e705c121SKalle Valo } 4215e705c121SKalle Valo #undef CHECK_MLME_TRIGGER 4216e705c121SKalle Valo } 4217e705c121SKalle Valo 4218e705c121SKalle Valo static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 4219e705c121SKalle Valo struct ieee80211_vif *vif, 4220e705c121SKalle Valo const struct ieee80211_event *event) 4221e705c121SKalle Valo { 4222e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 4223e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 4224e705c121SKalle Valo 4225e705c121SKalle Valo if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA)) 4226e705c121SKalle Valo return; 4227e705c121SKalle Valo 4228e705c121SKalle Valo trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA); 4229e705c121SKalle Valo ba_trig = (void *)trig->data; 42307174beb6SJohannes Berg if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt, 42317174beb6SJohannes Berg ieee80211_vif_to_wdev(vif), trig)) 4232e705c121SKalle Valo return; 4233e705c121SKalle Valo 4234e705c121SKalle Valo if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 4235e705c121SKalle Valo return; 4236e705c121SKalle Valo 42377174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 4238e705c121SKalle Valo "BAR received from %pM, tid %d, ssn %d", 4239e705c121SKalle Valo event->u.ba.sta->addr, event->u.ba.tid, 4240e705c121SKalle Valo event->u.ba.ssn); 4241e705c121SKalle Valo } 4242e705c121SKalle Valo 4243e705c121SKalle Valo static void 4244e705c121SKalle Valo iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm, 4245e705c121SKalle Valo struct ieee80211_vif *vif, 4246e705c121SKalle Valo const struct ieee80211_event *event) 4247e705c121SKalle Valo { 4248e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 4249e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 4250e705c121SKalle Valo 4251e705c121SKalle Valo if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA)) 4252e705c121SKalle Valo return; 4253e705c121SKalle Valo 4254e705c121SKalle Valo trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA); 4255e705c121SKalle Valo ba_trig = (void *)trig->data; 42567174beb6SJohannes Berg if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt, 42577174beb6SJohannes Berg ieee80211_vif_to_wdev(vif), trig)) 4258e705c121SKalle Valo return; 4259e705c121SKalle Valo 4260e705c121SKalle Valo if (!(le16_to_cpu(ba_trig->frame_timeout) & BIT(event->u.ba.tid))) 4261e705c121SKalle Valo return; 4262e705c121SKalle Valo 42637174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 4264e705c121SKalle Valo "Frame from %pM timed out, tid %d", 4265e705c121SKalle Valo event->u.ba.sta->addr, event->u.ba.tid); 4266e705c121SKalle Valo } 4267e705c121SKalle Valo 4268e705c121SKalle Valo static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 4269e705c121SKalle Valo struct ieee80211_vif *vif, 4270e705c121SKalle Valo const struct ieee80211_event *event) 4271e705c121SKalle Valo { 4272e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4273e705c121SKalle Valo 4274e705c121SKalle Valo switch (event->type) { 4275e705c121SKalle Valo case MLME_EVENT: 4276e705c121SKalle Valo iwl_mvm_event_mlme_callback(mvm, vif, event); 4277e705c121SKalle Valo break; 4278e705c121SKalle Valo case BAR_RX_EVENT: 4279e705c121SKalle Valo iwl_mvm_event_bar_rx_callback(mvm, vif, event); 4280e705c121SKalle Valo break; 4281e705c121SKalle Valo case BA_FRAME_TIMEOUT: 4282e705c121SKalle Valo iwl_mvm_event_frame_timeout_callback(mvm, vif, event); 4283e705c121SKalle Valo break; 4284e705c121SKalle Valo default: 4285e705c121SKalle Valo break; 4286e705c121SKalle Valo } 4287e705c121SKalle Valo } 4288e705c121SKalle Valo 4289d0ff5d22SSara Sharon void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 4290d0ff5d22SSara Sharon struct iwl_mvm_internal_rxq_notif *notif, 4291d0ff5d22SSara Sharon u32 size) 42920636b938SSara Sharon { 42930636b938SSara Sharon u32 qmask = BIT(mvm->trans->num_rx_queues) - 1; 42940636b938SSara Sharon int ret; 42950636b938SSara Sharon 42960636b938SSara Sharon lockdep_assert_held(&mvm->mutex); 42970636b938SSara Sharon 4298bc029469SSara Sharon /* TODO - remove a000 disablement when we have RXQ config API */ 4299c8c017a6SJohannes Berg if (!iwl_mvm_has_new_rx_api(mvm) || 4300c8c017a6SJohannes Berg mvm->trans->cfg->device_family == IWL_DEVICE_FAMILY_A000) 43010636b938SSara Sharon return; 43020636b938SSara Sharon 4303d0ff5d22SSara Sharon notif->cookie = mvm->queue_sync_cookie; 43040636b938SSara Sharon 4305d0ff5d22SSara Sharon if (notif->sync) 4306d0ff5d22SSara Sharon atomic_set(&mvm->queue_sync_counter, 4307d0ff5d22SSara Sharon mvm->trans->num_rx_queues); 4308d0ff5d22SSara Sharon 4309d0ff5d22SSara Sharon ret = iwl_mvm_notify_rx_queue(mvm, qmask, (u8 *)notif, size); 43100636b938SSara Sharon if (ret) { 43110636b938SSara Sharon IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 43120636b938SSara Sharon goto out; 43130636b938SSara Sharon } 4314d0ff5d22SSara Sharon 43156ad04359SJohannes Berg if (notif->sync) { 43163a732c65SSara Sharon ret = wait_event_timeout(mvm->rx_sync_waitq, 43176ad04359SJohannes Berg atomic_read(&mvm->queue_sync_counter) == 0 || 43186ad04359SJohannes Berg iwl_mvm_is_radio_killed(mvm), 43190636b938SSara Sharon HZ); 43206ad04359SJohannes Berg WARN_ON_ONCE(!ret && !iwl_mvm_is_radio_killed(mvm)); 43216ad04359SJohannes Berg } 43220636b938SSara Sharon 43230636b938SSara Sharon out: 43240636b938SSara Sharon atomic_set(&mvm->queue_sync_counter, 0); 43250636b938SSara Sharon mvm->queue_sync_cookie++; 43260636b938SSara Sharon } 43270636b938SSara Sharon 43280636b938SSara Sharon static void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) 43290636b938SSara Sharon { 43300636b938SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4331d0ff5d22SSara Sharon struct iwl_mvm_internal_rxq_notif data = { 4332d0ff5d22SSara Sharon .type = IWL_MVM_RXQ_EMPTY, 4333d0ff5d22SSara Sharon .sync = 1, 4334d0ff5d22SSara Sharon }; 43350636b938SSara Sharon 43360636b938SSara Sharon mutex_lock(&mvm->mutex); 4337d0ff5d22SSara Sharon iwl_mvm_sync_rx_queues_internal(mvm, &data, sizeof(data)); 43380636b938SSara Sharon mutex_unlock(&mvm->mutex); 43390636b938SSara Sharon } 43400636b938SSara Sharon 4341e705c121SKalle Valo const struct ieee80211_ops iwl_mvm_hw_ops = { 4342e705c121SKalle Valo .tx = iwl_mvm_mac_tx, 4343e705c121SKalle Valo .ampdu_action = iwl_mvm_mac_ampdu_action, 4344e705c121SKalle Valo .start = iwl_mvm_mac_start, 4345e705c121SKalle Valo .reconfig_complete = iwl_mvm_mac_reconfig_complete, 4346e705c121SKalle Valo .stop = iwl_mvm_mac_stop, 4347e705c121SKalle Valo .add_interface = iwl_mvm_mac_add_interface, 4348e705c121SKalle Valo .remove_interface = iwl_mvm_mac_remove_interface, 4349e705c121SKalle Valo .config = iwl_mvm_mac_config, 4350e705c121SKalle Valo .prepare_multicast = iwl_mvm_prepare_multicast, 4351e705c121SKalle Valo .configure_filter = iwl_mvm_configure_filter, 4352e705c121SKalle Valo .config_iface_filter = iwl_mvm_config_iface_filter, 4353e705c121SKalle Valo .bss_info_changed = iwl_mvm_bss_info_changed, 4354e705c121SKalle Valo .hw_scan = iwl_mvm_mac_hw_scan, 4355e705c121SKalle Valo .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, 4356e705c121SKalle Valo .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, 4357e705c121SKalle Valo .sta_state = iwl_mvm_mac_sta_state, 4358e705c121SKalle Valo .sta_notify = iwl_mvm_mac_sta_notify, 4359e705c121SKalle Valo .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, 4360e705c121SKalle Valo .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, 4361e705c121SKalle Valo .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, 4362e705c121SKalle Valo .sta_rc_update = iwl_mvm_sta_rc_update, 4363e705c121SKalle Valo .conf_tx = iwl_mvm_mac_conf_tx, 4364e705c121SKalle Valo .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, 4365e705c121SKalle Valo .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, 4366e705c121SKalle Valo .flush = iwl_mvm_mac_flush, 4367e705c121SKalle Valo .sched_scan_start = iwl_mvm_mac_sched_scan_start, 4368e705c121SKalle Valo .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, 4369e705c121SKalle Valo .set_key = iwl_mvm_mac_set_key, 4370e705c121SKalle Valo .update_tkip_key = iwl_mvm_mac_update_tkip_key, 4371e705c121SKalle Valo .remain_on_channel = iwl_mvm_roc, 4372e705c121SKalle Valo .cancel_remain_on_channel = iwl_mvm_cancel_roc, 4373e705c121SKalle Valo .add_chanctx = iwl_mvm_add_chanctx, 4374e705c121SKalle Valo .remove_chanctx = iwl_mvm_remove_chanctx, 4375e705c121SKalle Valo .change_chanctx = iwl_mvm_change_chanctx, 4376e705c121SKalle Valo .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, 4377e705c121SKalle Valo .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, 4378e705c121SKalle Valo .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, 4379e705c121SKalle Valo 4380e705c121SKalle Valo .start_ap = iwl_mvm_start_ap_ibss, 4381e705c121SKalle Valo .stop_ap = iwl_mvm_stop_ap_ibss, 4382e705c121SKalle Valo .join_ibss = iwl_mvm_start_ap_ibss, 4383e705c121SKalle Valo .leave_ibss = iwl_mvm_stop_ap_ibss, 4384e705c121SKalle Valo 43852f0282dbSJohannes Berg .tx_last_beacon = iwl_mvm_tx_last_beacon, 43862f0282dbSJohannes Berg 4387e705c121SKalle Valo .set_tim = iwl_mvm_set_tim, 4388e705c121SKalle Valo 4389e705c121SKalle Valo .channel_switch = iwl_mvm_channel_switch, 4390e705c121SKalle Valo .pre_channel_switch = iwl_mvm_pre_channel_switch, 4391e705c121SKalle Valo .post_channel_switch = iwl_mvm_post_channel_switch, 4392e705c121SKalle Valo 4393e705c121SKalle Valo .tdls_channel_switch = iwl_mvm_tdls_channel_switch, 4394e705c121SKalle Valo .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, 4395e705c121SKalle Valo .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, 4396e705c121SKalle Valo 4397e705c121SKalle Valo .event_callback = iwl_mvm_mac_event_callback, 4398e705c121SKalle Valo 43990636b938SSara Sharon .sync_rx_queues = iwl_mvm_sync_rx_queues, 44000636b938SSara Sharon 4401e705c121SKalle Valo CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) 4402e705c121SKalle Valo 4403e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 4404e705c121SKalle Valo /* look at d3.c */ 4405e705c121SKalle Valo .suspend = iwl_mvm_suspend, 4406e705c121SKalle Valo .resume = iwl_mvm_resume, 4407e705c121SKalle Valo .set_wakeup = iwl_mvm_set_wakeup, 4408e705c121SKalle Valo .set_rekey_data = iwl_mvm_set_rekey_data, 4409e705c121SKalle Valo #if IS_ENABLED(CONFIG_IPV6) 4410e705c121SKalle Valo .ipv6_addr_change = iwl_mvm_ipv6_addr_change, 4411e705c121SKalle Valo #endif 4412e705c121SKalle Valo .set_default_unicast_key = iwl_mvm_set_default_unicast_key, 4413e705c121SKalle Valo #endif 4414e705c121SKalle Valo .get_survey = iwl_mvm_mac_get_survey, 4415e705c121SKalle Valo .sta_statistics = iwl_mvm_mac_sta_statistics, 4416e705c121SKalle Valo }; 4417