1e705c121SKalle Valo /****************************************************************************** 2e705c121SKalle Valo * 3e705c121SKalle Valo * This file is provided under a dual BSD/GPLv2 license. When using or 4e705c121SKalle Valo * redistributing this file, you may do so under either license. 5e705c121SKalle Valo * 6e705c121SKalle Valo * GPL LICENSE SUMMARY 7e705c121SKalle Valo * 8e705c121SKalle Valo * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 926d6c16bSSara Sharon * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 1026d6c16bSSara Sharon * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 1163dd5d02SSara Sharon * Copyright(c) 2018 Intel Corporation 12e705c121SKalle Valo * 13e705c121SKalle Valo * This program is free software; you can redistribute it and/or modify 14e705c121SKalle Valo * it under the terms of version 2 of the GNU General Public License as 15e705c121SKalle Valo * published by the Free Software Foundation. 16e705c121SKalle Valo * 17e705c121SKalle Valo * This program is distributed in the hope that it will be useful, but 18e705c121SKalle Valo * WITHOUT ANY WARRANTY; without even the implied warranty of 19e705c121SKalle Valo * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20e705c121SKalle Valo * General Public License for more details. 21e705c121SKalle Valo * 22e705c121SKalle Valo * The full GNU General Public License is included in this distribution 23e705c121SKalle Valo * in the file called COPYING. 24e705c121SKalle Valo * 25e705c121SKalle Valo * Contact Information: 26cb2f8277SEmmanuel Grumbach * Intel Linux Wireless <linuxwifi@intel.com> 27e705c121SKalle Valo * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 28e705c121SKalle Valo * 29e705c121SKalle Valo * BSD LICENSE 30e705c121SKalle Valo * 31e705c121SKalle Valo * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 3226d6c16bSSara Sharon * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 3326d6c16bSSara Sharon * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 34514c3069SLuca Coelho * Copyright(c) 2018 Intel Corporation 35e705c121SKalle Valo * All rights reserved. 36e705c121SKalle Valo * 37e705c121SKalle Valo * Redistribution and use in source and binary forms, with or without 38e705c121SKalle Valo * modification, are permitted provided that the following conditions 39e705c121SKalle Valo * are met: 40e705c121SKalle Valo * 41e705c121SKalle Valo * * Redistributions of source code must retain the above copyright 42e705c121SKalle Valo * notice, this list of conditions and the following disclaimer. 43e705c121SKalle Valo * * Redistributions in binary form must reproduce the above copyright 44e705c121SKalle Valo * notice, this list of conditions and the following disclaimer in 45e705c121SKalle Valo * the documentation and/or other materials provided with the 46e705c121SKalle Valo * distribution. 47e705c121SKalle Valo * * Neither the name Intel Corporation nor the names of its 48e705c121SKalle Valo * contributors may be used to endorse or promote products derived 49e705c121SKalle Valo * from this software without specific prior written permission. 50e705c121SKalle Valo * 51e705c121SKalle Valo * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 52e705c121SKalle Valo * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 53e705c121SKalle Valo * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 54e705c121SKalle Valo * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 55e705c121SKalle Valo * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 56e705c121SKalle Valo * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 57e705c121SKalle Valo * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 58e705c121SKalle Valo * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 59e705c121SKalle Valo * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 60e705c121SKalle Valo * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 61e705c121SKalle Valo * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 62e705c121SKalle Valo * 63e705c121SKalle Valo *****************************************************************************/ 64e705c121SKalle Valo #include <linux/kernel.h> 65e705c121SKalle Valo #include <linux/slab.h> 66e705c121SKalle Valo #include <linux/skbuff.h> 67e705c121SKalle Valo #include <linux/netdevice.h> 68e705c121SKalle Valo #include <linux/etherdevice.h> 69e705c121SKalle Valo #include <linux/ip.h> 70e705c121SKalle Valo #include <linux/if_arp.h> 712f89a5d7SGolan Ben-Ami #include <linux/time.h> 72e705c121SKalle Valo #include <net/mac80211.h> 73e705c121SKalle Valo #include <net/ieee80211_radiotap.h> 74e705c121SKalle Valo #include <net/tcp.h> 75e705c121SKalle Valo 76e705c121SKalle Valo #include "iwl-op-mode.h" 77e705c121SKalle Valo #include "iwl-io.h" 78e705c121SKalle Valo #include "mvm.h" 79e705c121SKalle Valo #include "sta.h" 80e705c121SKalle Valo #include "time-event.h" 81e705c121SKalle Valo #include "iwl-eeprom-parse.h" 82e705c121SKalle Valo #include "iwl-phy-db.h" 83e705c121SKalle Valo #include "testmode.h" 84d962f9b1SJohannes Berg #include "fw/error-dump.h" 85e705c121SKalle Valo #include "iwl-prph.h" 86e705c121SKalle Valo #include "iwl-nvm-parse.h" 87e705c121SKalle Valo 88e705c121SKalle Valo static const struct ieee80211_iface_limit iwl_mvm_limits[] = { 89e705c121SKalle Valo { 90e705c121SKalle Valo .max = 1, 91e705c121SKalle Valo .types = BIT(NL80211_IFTYPE_STATION), 92e705c121SKalle Valo }, 93e705c121SKalle Valo { 94e705c121SKalle Valo .max = 1, 95e705c121SKalle Valo .types = BIT(NL80211_IFTYPE_AP) | 96e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT) | 97e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_GO), 98e705c121SKalle Valo }, 99e705c121SKalle Valo { 100e705c121SKalle Valo .max = 1, 101e705c121SKalle Valo .types = BIT(NL80211_IFTYPE_P2P_DEVICE), 102e705c121SKalle Valo }, 103e705c121SKalle Valo }; 104e705c121SKalle Valo 105e705c121SKalle Valo static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = { 106e705c121SKalle Valo { 107e705c121SKalle Valo .num_different_channels = 2, 108e705c121SKalle Valo .max_interfaces = 3, 109e705c121SKalle Valo .limits = iwl_mvm_limits, 110e705c121SKalle Valo .n_limits = ARRAY_SIZE(iwl_mvm_limits), 111e705c121SKalle Valo }, 112e705c121SKalle Valo }; 113e705c121SKalle Valo 114e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 115e705c121SKalle Valo /* 116e705c121SKalle Valo * Use the reserved field to indicate magic values. 117e705c121SKalle Valo * these values will only be used internally by the driver, 118e705c121SKalle Valo * and won't make it to the fw (reserved will be 0). 119e705c121SKalle Valo * BC_FILTER_MAGIC_IP - configure the val of this attribute to 120e705c121SKalle Valo * be the vif's ip address. in case there is not a single 121e705c121SKalle Valo * ip address (0, or more than 1), this attribute will 122e705c121SKalle Valo * be skipped. 123e705c121SKalle Valo * BC_FILTER_MAGIC_MAC - set the val of this attribute to 124e705c121SKalle Valo * the LSB bytes of the vif's mac address 125e705c121SKalle Valo */ 126e705c121SKalle Valo enum { 127e705c121SKalle Valo BC_FILTER_MAGIC_NONE = 0, 128e705c121SKalle Valo BC_FILTER_MAGIC_IP, 129e705c121SKalle Valo BC_FILTER_MAGIC_MAC, 130e705c121SKalle Valo }; 131e705c121SKalle Valo 132e705c121SKalle Valo static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = { 133e705c121SKalle Valo { 134e705c121SKalle Valo /* arp */ 135e705c121SKalle Valo .discard = 0, 136e705c121SKalle Valo .frame_type = BCAST_FILTER_FRAME_TYPE_ALL, 137e705c121SKalle Valo .attrs = { 138e705c121SKalle Valo { 139e705c121SKalle Valo /* frame type - arp, hw type - ethernet */ 140e705c121SKalle Valo .offset_type = 141e705c121SKalle Valo BCAST_FILTER_OFFSET_PAYLOAD_START, 142e705c121SKalle Valo .offset = sizeof(rfc1042_header), 143e705c121SKalle Valo .val = cpu_to_be32(0x08060001), 144e705c121SKalle Valo .mask = cpu_to_be32(0xffffffff), 145e705c121SKalle Valo }, 146e705c121SKalle Valo { 147e705c121SKalle Valo /* arp dest ip */ 148e705c121SKalle Valo .offset_type = 149e705c121SKalle Valo BCAST_FILTER_OFFSET_PAYLOAD_START, 150e705c121SKalle Valo .offset = sizeof(rfc1042_header) + 2 + 151e705c121SKalle Valo sizeof(struct arphdr) + 152e705c121SKalle Valo ETH_ALEN + sizeof(__be32) + 153e705c121SKalle Valo ETH_ALEN, 154e705c121SKalle Valo .mask = cpu_to_be32(0xffffffff), 155e705c121SKalle Valo /* mark it as special field */ 156e705c121SKalle Valo .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_IP), 157e705c121SKalle Valo }, 158e705c121SKalle Valo }, 159e705c121SKalle Valo }, 160e705c121SKalle Valo { 161e705c121SKalle Valo /* dhcp offer bcast */ 162e705c121SKalle Valo .discard = 0, 163e705c121SKalle Valo .frame_type = BCAST_FILTER_FRAME_TYPE_IPV4, 164e705c121SKalle Valo .attrs = { 165e705c121SKalle Valo { 166e705c121SKalle Valo /* udp dest port - 68 (bootp client)*/ 167e705c121SKalle Valo .offset_type = BCAST_FILTER_OFFSET_IP_END, 168e705c121SKalle Valo .offset = offsetof(struct udphdr, dest), 169e705c121SKalle Valo .val = cpu_to_be32(0x00440000), 170e705c121SKalle Valo .mask = cpu_to_be32(0xffff0000), 171e705c121SKalle Valo }, 172e705c121SKalle Valo { 173e705c121SKalle Valo /* dhcp - lsb bytes of client hw address */ 174e705c121SKalle Valo .offset_type = BCAST_FILTER_OFFSET_IP_END, 175e705c121SKalle Valo .offset = 38, 176e705c121SKalle Valo .mask = cpu_to_be32(0xffffffff), 177e705c121SKalle Valo /* mark it as special field */ 178e705c121SKalle Valo .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_MAC), 179e705c121SKalle Valo }, 180e705c121SKalle Valo }, 181e705c121SKalle Valo }, 182e705c121SKalle Valo /* last filter must be empty */ 183e705c121SKalle Valo {}, 184e705c121SKalle Valo }; 185e705c121SKalle Valo #endif 186e705c121SKalle Valo 187e705c121SKalle Valo void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) 188e705c121SKalle Valo { 189e705c121SKalle Valo if (!iwl_mvm_is_d0i3_supported(mvm)) 190e705c121SKalle Valo return; 191e705c121SKalle Valo 192e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "Take mvm reference - type %d\n", ref_type); 193e705c121SKalle Valo spin_lock_bh(&mvm->refs_lock); 194e705c121SKalle Valo mvm->refs[ref_type]++; 195e705c121SKalle Valo spin_unlock_bh(&mvm->refs_lock); 196e705c121SKalle Valo iwl_trans_ref(mvm->trans); 197e705c121SKalle Valo } 198e705c121SKalle Valo 199e705c121SKalle Valo void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) 200e705c121SKalle Valo { 201e705c121SKalle Valo if (!iwl_mvm_is_d0i3_supported(mvm)) 202e705c121SKalle Valo return; 203e705c121SKalle Valo 204e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "Leave mvm reference - type %d\n", ref_type); 205e705c121SKalle Valo spin_lock_bh(&mvm->refs_lock); 20616c45822SSara Sharon if (WARN_ON(!mvm->refs[ref_type])) { 20716c45822SSara Sharon spin_unlock_bh(&mvm->refs_lock); 20816c45822SSara Sharon return; 20916c45822SSara Sharon } 21016c45822SSara Sharon mvm->refs[ref_type]--; 211e705c121SKalle Valo spin_unlock_bh(&mvm->refs_lock); 212e705c121SKalle Valo iwl_trans_unref(mvm->trans); 213e705c121SKalle Valo } 214e705c121SKalle Valo 215e705c121SKalle Valo static void iwl_mvm_unref_all_except(struct iwl_mvm *mvm, 216e705c121SKalle Valo enum iwl_mvm_ref_type except_ref) 217e705c121SKalle Valo { 218e705c121SKalle Valo int i, j; 219e705c121SKalle Valo 220e705c121SKalle Valo if (!iwl_mvm_is_d0i3_supported(mvm)) 221e705c121SKalle Valo return; 222e705c121SKalle Valo 223e705c121SKalle Valo spin_lock_bh(&mvm->refs_lock); 224e705c121SKalle Valo for (i = 0; i < IWL_MVM_REF_COUNT; i++) { 225e705c121SKalle Valo if (except_ref == i || !mvm->refs[i]) 226e705c121SKalle Valo continue; 227e705c121SKalle Valo 228e705c121SKalle Valo IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d (%d)\n", 229e705c121SKalle Valo i, mvm->refs[i]); 230e705c121SKalle Valo for (j = 0; j < mvm->refs[i]; j++) 231e705c121SKalle Valo iwl_trans_unref(mvm->trans); 232e705c121SKalle Valo mvm->refs[i] = 0; 233e705c121SKalle Valo } 234e705c121SKalle Valo spin_unlock_bh(&mvm->refs_lock); 235e705c121SKalle Valo } 236e705c121SKalle Valo 237e705c121SKalle Valo bool iwl_mvm_ref_taken(struct iwl_mvm *mvm) 238e705c121SKalle Valo { 239e705c121SKalle Valo int i; 240e705c121SKalle Valo bool taken = false; 241e705c121SKalle Valo 242e705c121SKalle Valo if (!iwl_mvm_is_d0i3_supported(mvm)) 243e705c121SKalle Valo return true; 244e705c121SKalle Valo 245e705c121SKalle Valo spin_lock_bh(&mvm->refs_lock); 246e705c121SKalle Valo for (i = 0; i < IWL_MVM_REF_COUNT; i++) { 247e705c121SKalle Valo if (mvm->refs[i]) { 248e705c121SKalle Valo taken = true; 249e705c121SKalle Valo break; 250e705c121SKalle Valo } 251e705c121SKalle Valo } 252e705c121SKalle Valo spin_unlock_bh(&mvm->refs_lock); 253e705c121SKalle Valo 254e705c121SKalle Valo return taken; 255e705c121SKalle Valo } 256e705c121SKalle Valo 257e705c121SKalle Valo int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) 258e705c121SKalle Valo { 259e705c121SKalle Valo iwl_mvm_ref(mvm, ref_type); 260e705c121SKalle Valo 261e705c121SKalle Valo if (!wait_event_timeout(mvm->d0i3_exit_waitq, 262e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status), 263e705c121SKalle Valo HZ)) { 264e705c121SKalle Valo WARN_ON_ONCE(1); 265e705c121SKalle Valo iwl_mvm_unref(mvm, ref_type); 266e705c121SKalle Valo return -EIO; 267e705c121SKalle Valo } 268e705c121SKalle Valo 269e705c121SKalle Valo return 0; 270e705c121SKalle Valo } 271e705c121SKalle Valo 272e705c121SKalle Valo static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm) 273e705c121SKalle Valo { 274e705c121SKalle Valo int i; 275e705c121SKalle Valo 276e705c121SKalle Valo memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts)); 277e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) { 278e705c121SKalle Valo mvm->phy_ctxts[i].id = i; 279e705c121SKalle Valo mvm->phy_ctxts[i].ref = 0; 280e705c121SKalle Valo } 281e705c121SKalle Valo } 282e705c121SKalle Valo 283e705c121SKalle Valo struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, 284e705c121SKalle Valo const char *alpha2, 285e705c121SKalle Valo enum iwl_mcc_source src_id, 286e705c121SKalle Valo bool *changed) 287e705c121SKalle Valo { 288e705c121SKalle Valo struct ieee80211_regdomain *regd = NULL; 289e705c121SKalle Valo struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 290e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 291e705c121SKalle Valo struct iwl_mcc_update_resp *resp; 292e705c121SKalle Valo 293e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2); 294e705c121SKalle Valo 295e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 296e705c121SKalle Valo 297e705c121SKalle Valo resp = iwl_mvm_update_mcc(mvm, alpha2, src_id); 298e705c121SKalle Valo if (IS_ERR_OR_NULL(resp)) { 299e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n", 300e705c121SKalle Valo PTR_ERR_OR_ZERO(resp)); 301e705c121SKalle Valo goto out; 302e705c121SKalle Valo } 303e705c121SKalle Valo 30482715ac7SEmmanuel Grumbach if (changed) { 30582715ac7SEmmanuel Grumbach u32 status = le32_to_cpu(resp->status); 30682715ac7SEmmanuel Grumbach 30782715ac7SEmmanuel Grumbach *changed = (status == MCC_RESP_NEW_CHAN_PROFILE || 30882715ac7SEmmanuel Grumbach status == MCC_RESP_ILLEGAL); 30982715ac7SEmmanuel Grumbach } 310e705c121SKalle Valo 311e705c121SKalle Valo regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg, 312e705c121SKalle Valo __le32_to_cpu(resp->n_channels), 313e705c121SKalle Valo resp->channels, 31477e30e10SHaim Dreyfuss __le16_to_cpu(resp->mcc), 31577e30e10SHaim Dreyfuss __le16_to_cpu(resp->geo_info)); 316e705c121SKalle Valo /* Store the return source id */ 317e705c121SKalle Valo src_id = resp->source_id; 318e705c121SKalle Valo kfree(resp); 319e705c121SKalle Valo if (IS_ERR_OR_NULL(regd)) { 320e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n", 321e705c121SKalle Valo PTR_ERR_OR_ZERO(regd)); 322e705c121SKalle Valo goto out; 323e705c121SKalle Valo } 324e705c121SKalle Valo 325e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n", 326e705c121SKalle Valo regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id); 327e705c121SKalle Valo mvm->lar_regdom_set = true; 328e705c121SKalle Valo mvm->mcc_src = src_id; 329e705c121SKalle Valo 330e705c121SKalle Valo out: 331e705c121SKalle Valo return regd; 332e705c121SKalle Valo } 333e705c121SKalle Valo 334e705c121SKalle Valo void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm) 335e705c121SKalle Valo { 336e705c121SKalle Valo bool changed; 337e705c121SKalle Valo struct ieee80211_regdomain *regd; 338e705c121SKalle Valo 339e705c121SKalle Valo if (!iwl_mvm_is_lar_supported(mvm)) 340e705c121SKalle Valo return; 341e705c121SKalle Valo 342e705c121SKalle Valo regd = iwl_mvm_get_current_regdomain(mvm, &changed); 343e705c121SKalle Valo if (!IS_ERR_OR_NULL(regd)) { 344e705c121SKalle Valo /* only update the regulatory core if changed */ 345e705c121SKalle Valo if (changed) 346e705c121SKalle Valo regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); 347e705c121SKalle Valo 348e705c121SKalle Valo kfree(regd); 349e705c121SKalle Valo } 350e705c121SKalle Valo } 351e705c121SKalle Valo 352e705c121SKalle Valo struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 353e705c121SKalle Valo bool *changed) 354e705c121SKalle Valo { 355e705c121SKalle Valo return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ", 356e705c121SKalle Valo iwl_mvm_is_wifi_mcc_supported(mvm) ? 357e705c121SKalle Valo MCC_SOURCE_GET_CURRENT : 358e705c121SKalle Valo MCC_SOURCE_OLD_FW, changed); 359e705c121SKalle Valo } 360e705c121SKalle Valo 361e705c121SKalle Valo int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm) 362e705c121SKalle Valo { 363e705c121SKalle Valo enum iwl_mcc_source used_src; 364e705c121SKalle Valo struct ieee80211_regdomain *regd; 365e705c121SKalle Valo int ret; 366e705c121SKalle Valo bool changed; 367e705c121SKalle Valo const struct ieee80211_regdomain *r = 368e705c121SKalle Valo rtnl_dereference(mvm->hw->wiphy->regd); 369e705c121SKalle Valo 370e705c121SKalle Valo if (!r) 371e705c121SKalle Valo return -ENOENT; 372e705c121SKalle Valo 373e705c121SKalle Valo /* save the last source in case we overwrite it below */ 374e705c121SKalle Valo used_src = mvm->mcc_src; 375e705c121SKalle Valo if (iwl_mvm_is_wifi_mcc_supported(mvm)) { 376e705c121SKalle Valo /* Notify the firmware we support wifi location updates */ 377e705c121SKalle Valo regd = iwl_mvm_get_current_regdomain(mvm, NULL); 378e705c121SKalle Valo if (!IS_ERR_OR_NULL(regd)) 379e705c121SKalle Valo kfree(regd); 380e705c121SKalle Valo } 381e705c121SKalle Valo 382e705c121SKalle Valo /* Now set our last stored MCC and source */ 383e705c121SKalle Valo regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src, 384e705c121SKalle Valo &changed); 385e705c121SKalle Valo if (IS_ERR_OR_NULL(regd)) 386e705c121SKalle Valo return -EIO; 387e705c121SKalle Valo 388e705c121SKalle Valo /* update cfg80211 if the regdomain was changed */ 389e705c121SKalle Valo if (changed) 390e705c121SKalle Valo ret = regulatory_set_wiphy_regd_sync_rtnl(mvm->hw->wiphy, regd); 391e705c121SKalle Valo else 392e705c121SKalle Valo ret = 0; 393e705c121SKalle Valo 394e705c121SKalle Valo kfree(regd); 395e705c121SKalle Valo return ret; 396e705c121SKalle Valo } 397e705c121SKalle Valo 3987360f99eSEmmanuel Grumbach const static u8 he_if_types_ext_capa_sta[] = { 3997360f99eSEmmanuel Grumbach [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 4007360f99eSEmmanuel Grumbach [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, 4017360f99eSEmmanuel Grumbach [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, 4027360f99eSEmmanuel Grumbach }; 4037360f99eSEmmanuel Grumbach 4047360f99eSEmmanuel Grumbach const static struct wiphy_iftype_ext_capab he_iftypes_ext_capa[] = { 4057360f99eSEmmanuel Grumbach { 4067360f99eSEmmanuel Grumbach .iftype = NL80211_IFTYPE_STATION, 4077360f99eSEmmanuel Grumbach .extended_capabilities = he_if_types_ext_capa_sta, 4087360f99eSEmmanuel Grumbach .extended_capabilities_mask = he_if_types_ext_capa_sta, 4097360f99eSEmmanuel Grumbach .extended_capabilities_len = sizeof(he_if_types_ext_capa_sta), 4107360f99eSEmmanuel Grumbach }, 4117360f99eSEmmanuel Grumbach }; 4127360f99eSEmmanuel Grumbach 413e705c121SKalle Valo int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) 414e705c121SKalle Valo { 415e705c121SKalle Valo struct ieee80211_hw *hw = mvm->hw; 416e705c121SKalle Valo int num_mac, ret, i; 417e705c121SKalle Valo static const u32 mvm_ciphers[] = { 418e705c121SKalle Valo WLAN_CIPHER_SUITE_WEP40, 419e705c121SKalle Valo WLAN_CIPHER_SUITE_WEP104, 420e705c121SKalle Valo WLAN_CIPHER_SUITE_TKIP, 421e705c121SKalle Valo WLAN_CIPHER_SUITE_CCMP, 422e705c121SKalle Valo }; 423e705c121SKalle Valo 424e705c121SKalle Valo /* Tell mac80211 our characteristics */ 425e705c121SKalle Valo ieee80211_hw_set(hw, SIGNAL_DBM); 426e705c121SKalle Valo ieee80211_hw_set(hw, SPECTRUM_MGMT); 427e705c121SKalle Valo ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 428e705c121SKalle Valo ieee80211_hw_set(hw, WANT_MONITOR_VIF); 429e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_PS); 430e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 431e705c121SKalle Valo ieee80211_hw_set(hw, AMPDU_AGGREGATION); 432e705c121SKalle Valo ieee80211_hw_set(hw, TIMING_BEACON_ONLY); 433e705c121SKalle Valo ieee80211_hw_set(hw, CONNECTION_MONITOR); 434e705c121SKalle Valo ieee80211_hw_set(hw, CHANCTX_STA_CSA); 435e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 436e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); 437909ddf0bSJohannes Berg ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 43830433d3bSJohannes Berg ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); 439d270e7b8SIlan Peer ieee80211_hw_set(hw, DEAUTH_NEED_MGD_TX_PREP); 440520229e4SShaul Triebitz ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); 441cfbc6c4cSSara Sharon ieee80211_hw_set(hw, BUFF_MMPDU_TXQ); 442cfbc6c4cSSara Sharon ieee80211_hw_set(hw, STA_MMPDU_TXQ); 443438af969SSara Sharon ieee80211_hw_set(hw, TX_AMSDU); 444438af969SSara Sharon ieee80211_hw_set(hw, TX_FRAG_LIST); 445ecaf71deSGregory Greenman 4464243edb4SEmmanuel Grumbach if (iwl_mvm_has_tlc_offload(mvm)) { 447ecaf71deSGregory Greenman ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); 448ecaf71deSGregory Greenman ieee80211_hw_set(hw, HAS_RATE_CONTROL); 449ecaf71deSGregory Greenman } 450ecaf71deSGregory Greenman 451b915c101SSara Sharon if (iwl_mvm_has_new_rx_api(mvm)) 452b915c101SSara Sharon ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); 453960f864bSJohannes Berg 454960f864bSJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 455960f864bSJohannes Berg IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) { 45665e25482SJohannes Berg ieee80211_hw_set(hw, AP_LINK_PS); 457960f864bSJohannes Berg } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) { 458960f864bSJohannes Berg /* 459960f864bSJohannes Berg * we absolutely need this for the new TX API since that comes 460960f864bSJohannes Berg * with many more queues than the current code can deal with 461960f864bSJohannes Berg * for station powersave 462960f864bSJohannes Berg */ 463960f864bSJohannes Berg return -EINVAL; 464960f864bSJohannes Berg } 465e705c121SKalle Valo 46680938abcSJohannes Berg if (mvm->trans->num_rx_queues > 1) 46780938abcSJohannes Berg ieee80211_hw_set(hw, USES_RSS); 46880938abcSJohannes Berg 4692d7cf549SJohannes Berg if (mvm->trans->max_skb_frags) 4702d7cf549SJohannes Berg hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; 4712d7cf549SJohannes Berg 472cf961e16SLiad Kaufman hw->queues = IEEE80211_MAX_QUEUES; 473e705c121SKalle Valo hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; 474e705c121SKalle Valo hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | 475e705c121SKalle Valo IEEE80211_RADIOTAP_MCS_HAVE_STBC; 476e705c121SKalle Valo hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | 477e705c121SKalle Valo IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; 478371a17edSJohannes Berg 479371a17edSJohannes Berg hw->radiotap_timestamp.units_pos = 480371a17edSJohannes Berg IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | 481371a17edSJohannes Berg IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; 482371a17edSJohannes Berg /* this is the case for CCK frames, it's better (only 8) for OFDM */ 483371a17edSJohannes Berg hw->radiotap_timestamp.accuracy = 22; 484371a17edSJohannes Berg 4854243edb4SEmmanuel Grumbach if (!iwl_mvm_has_tlc_offload(mvm)) 4869f66a397SGregory Greenman hw->rate_control_algorithm = RS_NAME; 4879f66a397SGregory Greenman 488e705c121SKalle Valo hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; 489e705c121SKalle Valo hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; 490438af969SSara Sharon hw->max_tx_fragments = mvm->trans->max_skb_frags; 491e705c121SKalle Valo 4928e160ab8SAyala Beker BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); 493e705c121SKalle Valo memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); 494e705c121SKalle Valo hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); 495e705c121SKalle Valo hw->wiphy->cipher_suites = mvm->ciphers; 496e705c121SKalle Valo 4972a53d166SAyala Beker if (iwl_mvm_has_new_rx_api(mvm)) { 4982a53d166SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 4992a53d166SAyala Beker WLAN_CIPHER_SUITE_GCMP; 5002a53d166SAyala Beker hw->wiphy->n_cipher_suites++; 5012a53d166SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 5022a53d166SAyala Beker WLAN_CIPHER_SUITE_GCMP_256; 5032a53d166SAyala Beker hw->wiphy->n_cipher_suites++; 5042a53d166SAyala Beker } 5052a53d166SAyala Beker 5064b87e5afSLuca Coelho /* Enable 11w if software crypto is not enabled (as the 5074b87e5afSLuca Coelho * firmware will interpret some mgmt packets, so enabling it 5084b87e5afSLuca Coelho * with software crypto isn't safe). 509e705c121SKalle Valo */ 5103b37f4c9SJohannes Berg if (!iwlwifi_mod_params.swcrypto) { 511e705c121SKalle Valo ieee80211_hw_set(hw, MFP_CAPABLE); 512e705c121SKalle Valo mvm->ciphers[hw->wiphy->n_cipher_suites] = 513e705c121SKalle Valo WLAN_CIPHER_SUITE_AES_CMAC; 514e705c121SKalle Valo hw->wiphy->n_cipher_suites++; 5158e160ab8SAyala Beker if (iwl_mvm_has_new_rx_api(mvm)) { 5168e160ab8SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 5178e160ab8SAyala Beker WLAN_CIPHER_SUITE_BIP_GMAC_128; 5188e160ab8SAyala Beker hw->wiphy->n_cipher_suites++; 5198e160ab8SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 5208e160ab8SAyala Beker WLAN_CIPHER_SUITE_BIP_GMAC_256; 5218e160ab8SAyala Beker hw->wiphy->n_cipher_suites++; 5228e160ab8SAyala Beker } 523e705c121SKalle Valo } 524e705c121SKalle Valo 525e705c121SKalle Valo /* currently FW API supports only one optional cipher scheme */ 526e705c121SKalle Valo if (mvm->fw->cs[0].cipher) { 52724ddddf3SJohannes Berg const struct iwl_fw_cipher_scheme *fwcs = &mvm->fw->cs[0]; 52824ddddf3SJohannes Berg struct ieee80211_cipher_scheme *cs = &mvm->cs[0]; 52924ddddf3SJohannes Berg 530e705c121SKalle Valo mvm->hw->n_cipher_schemes = 1; 53124ddddf3SJohannes Berg 53224ddddf3SJohannes Berg cs->cipher = le32_to_cpu(fwcs->cipher); 53324ddddf3SJohannes Berg cs->iftype = BIT(NL80211_IFTYPE_STATION); 53424ddddf3SJohannes Berg cs->hdr_len = fwcs->hdr_len; 53524ddddf3SJohannes Berg cs->pn_len = fwcs->pn_len; 53624ddddf3SJohannes Berg cs->pn_off = fwcs->pn_off; 53724ddddf3SJohannes Berg cs->key_idx_off = fwcs->key_idx_off; 53824ddddf3SJohannes Berg cs->key_idx_mask = fwcs->key_idx_mask; 53924ddddf3SJohannes Berg cs->key_idx_shift = fwcs->key_idx_shift; 54024ddddf3SJohannes Berg cs->mic_len = fwcs->mic_len; 54124ddddf3SJohannes Berg 54224ddddf3SJohannes Berg mvm->hw->cipher_schemes = mvm->cs; 54324ddddf3SJohannes Berg mvm->ciphers[hw->wiphy->n_cipher_suites] = cs->cipher; 544e705c121SKalle Valo hw->wiphy->n_cipher_suites++; 545e705c121SKalle Valo } 546e705c121SKalle Valo 547e705c121SKalle Valo ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); 548e705c121SKalle Valo hw->wiphy->features |= 549e705c121SKalle Valo NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 550e705c121SKalle Valo NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 551e705c121SKalle Valo NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 552e705c121SKalle Valo 553e705c121SKalle Valo hw->sta_data_size = sizeof(struct iwl_mvm_sta); 554e705c121SKalle Valo hw->vif_data_size = sizeof(struct iwl_mvm_vif); 555e705c121SKalle Valo hw->chanctx_data_size = sizeof(u16); 556cfbc6c4cSSara Sharon hw->txq_data_size = sizeof(struct iwl_mvm_txq); 557e705c121SKalle Valo 558e705c121SKalle Valo hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 559e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT) | 560e705c121SKalle Valo BIT(NL80211_IFTYPE_AP) | 561e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_GO) | 562e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_DEVICE) | 563e705c121SKalle Valo BIT(NL80211_IFTYPE_ADHOC); 564e705c121SKalle Valo 565e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 566e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; 567e705c121SKalle Valo if (iwl_mvm_is_lar_supported(mvm)) 568e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 569e705c121SKalle Valo else 570e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 571e705c121SKalle Valo REGULATORY_DISABLE_BEACON_HINTS; 572e705c121SKalle Valo 573e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 574e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 575e705c121SKalle Valo 576e705c121SKalle Valo hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; 577e705c121SKalle Valo hw->wiphy->n_iface_combinations = 578e705c121SKalle Valo ARRAY_SIZE(iwl_mvm_iface_combinations); 579e705c121SKalle Valo 580e705c121SKalle Valo hw->wiphy->max_remain_on_channel_duration = 10000; 581e705c121SKalle Valo hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; 582e705c121SKalle Valo 583e705c121SKalle Valo /* Extract MAC address */ 584e705c121SKalle Valo memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); 585e705c121SKalle Valo hw->wiphy->addresses = mvm->addresses; 586e705c121SKalle Valo hw->wiphy->n_addresses = 1; 587e705c121SKalle Valo 588e705c121SKalle Valo /* Extract additional MAC addresses if available */ 589e705c121SKalle Valo num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? 590e705c121SKalle Valo min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; 591e705c121SKalle Valo 592e705c121SKalle Valo for (i = 1; i < num_mac; i++) { 593e705c121SKalle Valo memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, 594e705c121SKalle Valo ETH_ALEN); 595e705c121SKalle Valo mvm->addresses[i].addr[5]++; 596e705c121SKalle Valo hw->wiphy->n_addresses++; 597e705c121SKalle Valo } 598e705c121SKalle Valo 599e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 600e705c121SKalle Valo 601e705c121SKalle Valo hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); 602e705c121SKalle Valo 603e705c121SKalle Valo hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; 604e705c121SKalle Valo 605e705c121SKalle Valo BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); 606e705c121SKalle Valo BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || 607e705c121SKalle Valo IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); 608e705c121SKalle Valo 609e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 610e705c121SKalle Valo mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS; 611e705c121SKalle Valo else 612e705c121SKalle Valo mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS; 613e705c121SKalle Valo 61457fbcce3SJohannes Berg if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) 61557fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_2GHZ] = 61657fbcce3SJohannes Berg &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; 61757fbcce3SJohannes Berg if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { 61857fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ] = 61957fbcce3SJohannes Berg &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; 620e705c121SKalle Valo 621e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 622e705c121SKalle Valo IWL_UCODE_TLV_CAPA_BEAMFORMER) && 623e705c121SKalle Valo fw_has_api(&mvm->fw->ucode_capa, 624e705c121SKalle Valo IWL_UCODE_TLV_API_LQ_SS_PARAMS)) 62557fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= 626e705c121SKalle Valo IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; 627e705c121SKalle Valo } 628e705c121SKalle Valo 629e705c121SKalle Valo hw->wiphy->hw_version = mvm->trans->hw_id; 630e705c121SKalle Valo 631e705c121SKalle Valo if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) 632e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; 633e705c121SKalle Valo else 634e705c121SKalle Valo hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 635e705c121SKalle Valo 636ca986ad9SArend Van Spriel hw->wiphy->max_sched_scan_reqs = 1; 637e705c121SKalle Valo hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; 638e705c121SKalle Valo hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES; 639e705c121SKalle Valo /* we create the 802.11 header and zero length SSID IE. */ 640e705c121SKalle Valo hw->wiphy->max_sched_scan_ie_len = 641e705c121SKalle Valo SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; 642e705c121SKalle Valo hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; 643e705c121SKalle Valo hw->wiphy->max_sched_scan_plan_interval = U16_MAX; 644e705c121SKalle Valo 645e705c121SKalle Valo /* 646e705c121SKalle Valo * the firmware uses u8 for num of iterations, but 0xff is saved for 647e705c121SKalle Valo * infinite loop, so the maximum number of iterations is actually 254. 648e705c121SKalle Valo */ 649e705c121SKalle Valo hw->wiphy->max_sched_scan_plan_iterations = 254; 650e705c121SKalle Valo 651e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | 652e705c121SKalle Valo NL80211_FEATURE_LOW_PRIORITY_SCAN | 653e705c121SKalle Valo NL80211_FEATURE_P2P_GO_OPPPS | 654a904a08bSPeer, Ilan NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 655e705c121SKalle Valo NL80211_FEATURE_DYNAMIC_SMPS | 656e705c121SKalle Valo NL80211_FEATURE_STATIC_SMPS | 657e705c121SKalle Valo NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; 658e705c121SKalle Valo 659e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 660e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) 661e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; 662e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 663e705c121SKalle Valo IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) 664e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_QUIET; 665e705c121SKalle Valo 666e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 667e705c121SKalle Valo IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) 668e705c121SKalle Valo hw->wiphy->features |= 669e705c121SKalle Valo NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; 670e705c121SKalle Valo 671e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 672e705c121SKalle Valo IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) 673e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; 674e705c121SKalle Valo 675aacf8f18SAvrahams Stern if (fw_has_api(&mvm->fw->ucode_capa, 676aacf8f18SAvrahams Stern IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { 677aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 678aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_SCAN_START_TIME); 679aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 680aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_BSS_PARENT_TSF); 681aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 682aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_SET_SCAN_DWELL); 683aacf8f18SAvrahams Stern } 684aacf8f18SAvrahams Stern 6858f691af9SZamir, Roee if (iwl_mvm_is_oce_supported(mvm)) { 6868f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 6878f691af9SZamir, Roee NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP); 6888f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 6898f691af9SZamir, Roee NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME); 6908f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 6918f691af9SZamir, Roee NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION); 6928f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 6938f691af9SZamir, Roee NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE); 6948f691af9SZamir, Roee } 6958f691af9SZamir, Roee 6967360f99eSEmmanuel Grumbach if (mvm->nvm_data->sku_cap_11ax_enable && 6977360f99eSEmmanuel Grumbach !iwlwifi_mod_params.disable_11ax) { 6987360f99eSEmmanuel Grumbach hw->wiphy->iftype_ext_capab = he_iftypes_ext_capa; 6997360f99eSEmmanuel Grumbach hw->wiphy->num_iftype_ext_capab = 7007360f99eSEmmanuel Grumbach ARRAY_SIZE(he_iftypes_ext_capa); 7017360f99eSEmmanuel Grumbach } 7027360f99eSEmmanuel Grumbach 703e705c121SKalle Valo mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; 704e705c121SKalle Valo 705e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 706e705c121SKalle Valo if (iwl_mvm_is_d0i3_supported(mvm) && 707e705c121SKalle Valo device_can_wakeup(mvm->trans->dev)) { 708e705c121SKalle Valo mvm->wowlan.flags = WIPHY_WOWLAN_ANY; 709e705c121SKalle Valo hw->wiphy->wowlan = &mvm->wowlan; 710e705c121SKalle Valo } 711e705c121SKalle Valo 712eef187a7SSara Sharon if (mvm->fw->img[IWL_UCODE_WOWLAN].num_sec && 713e705c121SKalle Valo mvm->trans->ops->d3_suspend && 714e705c121SKalle Valo mvm->trans->ops->d3_resume && 715e705c121SKalle Valo device_can_wakeup(mvm->trans->dev)) { 716e705c121SKalle Valo mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | 717e705c121SKalle Valo WIPHY_WOWLAN_DISCONNECT | 718e705c121SKalle Valo WIPHY_WOWLAN_EAP_IDENTITY_REQ | 719e705c121SKalle Valo WIPHY_WOWLAN_RFKILL_RELEASE | 720e705c121SKalle Valo WIPHY_WOWLAN_NET_DETECT; 7213b37f4c9SJohannes Berg if (!iwlwifi_mod_params.swcrypto) 722e705c121SKalle Valo mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 723e705c121SKalle Valo WIPHY_WOWLAN_GTK_REKEY_FAILURE | 724e705c121SKalle Valo WIPHY_WOWLAN_4WAY_HANDSHAKE; 725e705c121SKalle Valo 726e705c121SKalle Valo mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; 727e705c121SKalle Valo mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; 728e705c121SKalle Valo mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; 729e705c121SKalle Valo mvm->wowlan.max_nd_match_sets = IWL_SCAN_MAX_PROFILES; 730e705c121SKalle Valo hw->wiphy->wowlan = &mvm->wowlan; 731e705c121SKalle Valo } 732e705c121SKalle Valo #endif 733e705c121SKalle Valo 734e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 735e705c121SKalle Valo /* assign default bcast filtering configuration */ 736e705c121SKalle Valo mvm->bcast_filters = iwl_mvm_default_bcast_filters; 737e705c121SKalle Valo #endif 738e705c121SKalle Valo 739e705c121SKalle Valo ret = iwl_mvm_leds_init(mvm); 740e705c121SKalle Valo if (ret) 741e705c121SKalle Valo return ret; 742e705c121SKalle Valo 743e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 744e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { 745e705c121SKalle Valo IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); 746e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 747e705c121SKalle Valo ieee80211_hw_set(hw, TDLS_WIDER_BW); 748e705c121SKalle Valo } 749e705c121SKalle Valo 750e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 751e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { 752e705c121SKalle Valo IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); 753e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 754e705c121SKalle Valo } 755e705c121SKalle Valo 756e705c121SKalle Valo hw->netdev_features |= mvm->cfg->features; 7575e6a98dcSSara Sharon if (!iwl_mvm_is_csum_supported(mvm)) { 7585e6a98dcSSara Sharon hw->netdev_features &= ~(IWL_TX_CSUM_NETIF_FLAGS | 7595e6a98dcSSara Sharon NETIF_F_RXCSUM); 7605e6a98dcSSara Sharon /* We may support SW TX CSUM */ 76141837ca9SEmmanuel Grumbach if (IWL_MVM_SW_TX_CSUM_OFFLOAD) 7625e6a98dcSSara Sharon hw->netdev_features |= IWL_TX_CSUM_NETIF_FLAGS; 7635e6a98dcSSara Sharon } 76441837ca9SEmmanuel Grumbach 765e705c121SKalle Valo ret = ieee80211_register_hw(mvm->hw); 766e705c121SKalle Valo if (ret) 767e705c121SKalle Valo iwl_mvm_leds_exit(mvm); 768de8ba41bSLiad Kaufman mvm->init_status |= IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE; 769e705c121SKalle Valo 77091b08c2dSAviya Erenfeld if (mvm->cfg->vht_mu_mimo_supported) 77191b08c2dSAviya Erenfeld wiphy_ext_feature_set(hw->wiphy, 77291b08c2dSAviya Erenfeld NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); 77391b08c2dSAviya Erenfeld 774e705c121SKalle Valo return ret; 775e705c121SKalle Valo } 776e705c121SKalle Valo 777e705c121SKalle Valo static bool iwl_mvm_defer_tx(struct iwl_mvm *mvm, 778e705c121SKalle Valo struct ieee80211_sta *sta, 779e705c121SKalle Valo struct sk_buff *skb) 780e705c121SKalle Valo { 781e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 782e705c121SKalle Valo bool defer = false; 783e705c121SKalle Valo 784e705c121SKalle Valo /* 785e705c121SKalle Valo * double check the IN_D0I3 flag both before and after 786e705c121SKalle Valo * taking the spinlock, in order to prevent taking 787e705c121SKalle Valo * the spinlock when not needed. 788e705c121SKalle Valo */ 789e705c121SKalle Valo if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))) 790e705c121SKalle Valo return false; 791e705c121SKalle Valo 792e705c121SKalle Valo spin_lock(&mvm->d0i3_tx_lock); 793e705c121SKalle Valo /* 794e705c121SKalle Valo * testing the flag again ensures the skb dequeue 795e705c121SKalle Valo * loop (on d0i3 exit) hasn't run yet. 796e705c121SKalle Valo */ 797e705c121SKalle Valo if (!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)) 798e705c121SKalle Valo goto out; 799e705c121SKalle Valo 800e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_mac80211(sta); 8010ae98812SSara Sharon if (mvmsta->sta_id == IWL_MVM_INVALID_STA || 802e705c121SKalle Valo mvmsta->sta_id != mvm->d0i3_ap_sta_id) 803e705c121SKalle Valo goto out; 804e705c121SKalle Valo 805e705c121SKalle Valo __skb_queue_tail(&mvm->d0i3_tx, skb); 806e705c121SKalle Valo 807e705c121SKalle Valo /* trigger wakeup */ 808e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_TX); 809e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_TX); 810e705c121SKalle Valo 811e705c121SKalle Valo defer = true; 812e705c121SKalle Valo out: 813e705c121SKalle Valo spin_unlock(&mvm->d0i3_tx_lock); 814e705c121SKalle Valo return defer; 815e705c121SKalle Valo } 816e705c121SKalle Valo 817e705c121SKalle Valo static void iwl_mvm_mac_tx(struct ieee80211_hw *hw, 818e705c121SKalle Valo struct ieee80211_tx_control *control, 819e705c121SKalle Valo struct sk_buff *skb) 820e705c121SKalle Valo { 821e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 822e705c121SKalle Valo struct ieee80211_sta *sta = control->sta; 823e705c121SKalle Valo struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 824e705c121SKalle Valo struct ieee80211_hdr *hdr = (void *)skb->data; 825cfbc6c4cSSara Sharon bool offchannel = IEEE80211_SKB_CB(skb)->flags & 826cfbc6c4cSSara Sharon IEEE80211_TX_CTL_TX_OFFCHAN; 827e705c121SKalle Valo 828e705c121SKalle Valo if (iwl_mvm_is_radio_killed(mvm)) { 829e705c121SKalle Valo IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); 830e705c121SKalle Valo goto drop; 831e705c121SKalle Valo } 832e705c121SKalle Valo 833cfbc6c4cSSara Sharon if (offchannel && 834e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) && 835e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) 836e705c121SKalle Valo goto drop; 837e705c121SKalle Valo 838eb045e6eSDavid Spinadel /* treat non-bufferable MMPDUs on AP interfaces as broadcast */ 839eb045e6eSDavid Spinadel if ((info->control.vif->type == NL80211_IFTYPE_AP || 840eb045e6eSDavid Spinadel info->control.vif->type == NL80211_IFTYPE_ADHOC) && 841e705c121SKalle Valo ieee80211_is_mgmt(hdr->frame_control) && 842eb045e6eSDavid Spinadel !ieee80211_is_bufferable_mmpdu(hdr->frame_control)) 843e705c121SKalle Valo sta = NULL; 844e705c121SKalle Valo 845dc1aca22SAndrei Otcheretianski /* If there is no sta, and it's not offchannel - send through AP */ 846cfbc6c4cSSara Sharon if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION && 847cfbc6c4cSSara Sharon !offchannel) { 848dc1aca22SAndrei Otcheretianski struct iwl_mvm_vif *mvmvif = 849dc1aca22SAndrei Otcheretianski iwl_mvm_vif_from_mac80211(info->control.vif); 850dc1aca22SAndrei Otcheretianski u8 ap_sta_id = READ_ONCE(mvmvif->ap_sta_id); 851dc1aca22SAndrei Otcheretianski 852dc1aca22SAndrei Otcheretianski if (ap_sta_id < IWL_MVM_STATION_COUNT) { 853dc1aca22SAndrei Otcheretianski /* mac80211 holds rcu read lock */ 854dc1aca22SAndrei Otcheretianski sta = rcu_dereference(mvm->fw_id_to_mac_id[ap_sta_id]); 855dc1aca22SAndrei Otcheretianski if (IS_ERR_OR_NULL(sta)) 856dc1aca22SAndrei Otcheretianski goto drop; 857dc1aca22SAndrei Otcheretianski } 858dc1aca22SAndrei Otcheretianski } 859dc1aca22SAndrei Otcheretianski 860e705c121SKalle Valo if (sta) { 861e705c121SKalle Valo if (iwl_mvm_defer_tx(mvm, sta, skb)) 862e705c121SKalle Valo return; 863e705c121SKalle Valo if (iwl_mvm_tx_skb(mvm, skb, sta)) 864e705c121SKalle Valo goto drop; 865e705c121SKalle Valo return; 866e705c121SKalle Valo } 867e705c121SKalle Valo 868e705c121SKalle Valo if (iwl_mvm_tx_skb_non_sta(mvm, skb)) 869e705c121SKalle Valo goto drop; 870e705c121SKalle Valo return; 871e705c121SKalle Valo drop: 872e705c121SKalle Valo ieee80211_free_txskb(hw, skb); 873e705c121SKalle Valo } 874e705c121SKalle Valo 875cfbc6c4cSSara Sharon void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq) 876cfbc6c4cSSara Sharon { 877cfbc6c4cSSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 878cfbc6c4cSSara Sharon struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 879cfbc6c4cSSara Sharon struct sk_buff *skb = NULL; 880cfbc6c4cSSara Sharon 881fba8248eSSara Sharon /* 882fba8248eSSara Sharon * No need for threads to be pending here, they can leave the first 883fba8248eSSara Sharon * taker all the work. 884fba8248eSSara Sharon * 885fba8248eSSara Sharon * mvmtxq->tx_request logic: 886fba8248eSSara Sharon * 887fba8248eSSara Sharon * If 0, no one is currently TXing, set to 1 to indicate current thread 888fba8248eSSara Sharon * will now start TX and other threads should quit. 889fba8248eSSara Sharon * 890fba8248eSSara Sharon * If 1, another thread is currently TXing, set to 2 to indicate to 891fba8248eSSara Sharon * that thread that there was another request. Since that request may 892fba8248eSSara Sharon * have raced with the check whether the queue is empty, the TXing 893fba8248eSSara Sharon * thread should check the queue's status one more time before leaving. 894fba8248eSSara Sharon * This check is done in order to not leave any TX hanging in the queue 895fba8248eSSara Sharon * until the next TX invocation (which may not even happen). 896fba8248eSSara Sharon * 897fba8248eSSara Sharon * If 2, another thread is currently TXing, and it will already double 898fba8248eSSara Sharon * check the queue, so do nothing. 899fba8248eSSara Sharon */ 900fba8248eSSara Sharon if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2)) 901fba8248eSSara Sharon return; 902cfbc6c4cSSara Sharon 903cfbc6c4cSSara Sharon rcu_read_lock(); 904fba8248eSSara Sharon do { 905cfbc6c4cSSara Sharon while (likely(!mvmtxq->stopped && 906cfbc6c4cSSara Sharon (mvm->trans->system_pm_mode == 907cfbc6c4cSSara Sharon IWL_PLAT_PM_MODE_DISABLED))) { 908cfbc6c4cSSara Sharon skb = ieee80211_tx_dequeue(hw, txq); 909cfbc6c4cSSara Sharon 910cfbc6c4cSSara Sharon if (!skb) 911cfbc6c4cSSara Sharon break; 912cfbc6c4cSSara Sharon 913cfbc6c4cSSara Sharon if (!txq->sta) 914cfbc6c4cSSara Sharon iwl_mvm_tx_skb_non_sta(mvm, skb); 915cfbc6c4cSSara Sharon else 916cfbc6c4cSSara Sharon iwl_mvm_tx_skb(mvm, skb, txq->sta); 917cfbc6c4cSSara Sharon } 918fba8248eSSara Sharon } while (atomic_dec_return(&mvmtxq->tx_request)); 919cfbc6c4cSSara Sharon rcu_read_unlock(); 920cfbc6c4cSSara Sharon } 921cfbc6c4cSSara Sharon 922cfbc6c4cSSara Sharon static void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw, 923cfbc6c4cSSara Sharon struct ieee80211_txq *txq) 924cfbc6c4cSSara Sharon { 925cfbc6c4cSSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 926cfbc6c4cSSara Sharon struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 927cfbc6c4cSSara Sharon 928cfbc6c4cSSara Sharon /* 929cfbc6c4cSSara Sharon * Please note that racing is handled very carefully here: 930cfbc6c4cSSara Sharon * mvmtxq->txq_id is updated during allocation, and mvmtxq->list is 931cfbc6c4cSSara Sharon * deleted afterwards. 932cfbc6c4cSSara Sharon * This means that if: 933cfbc6c4cSSara Sharon * mvmtxq->txq_id != INVALID_QUEUE && list_empty(&mvmtxq->list): 934cfbc6c4cSSara Sharon * queue is allocated and we can TX. 935cfbc6c4cSSara Sharon * mvmtxq->txq_id != INVALID_QUEUE && !list_empty(&mvmtxq->list): 936cfbc6c4cSSara Sharon * a race, should defer the frame. 937cfbc6c4cSSara Sharon * mvmtxq->txq_id == INVALID_QUEUE && list_empty(&mvmtxq->list): 938cfbc6c4cSSara Sharon * need to allocate the queue and defer the frame. 939cfbc6c4cSSara Sharon * mvmtxq->txq_id == INVALID_QUEUE && !list_empty(&mvmtxq->list): 940cfbc6c4cSSara Sharon * queue is already scheduled for allocation, no need to allocate, 941cfbc6c4cSSara Sharon * should defer the frame. 942cfbc6c4cSSara Sharon */ 943cfbc6c4cSSara Sharon 944cfbc6c4cSSara Sharon /* If the queue is allocated TX and return. */ 945cfbc6c4cSSara Sharon if (!txq->sta || mvmtxq->txq_id != IWL_MVM_INVALID_QUEUE) { 946cfbc6c4cSSara Sharon /* 947cfbc6c4cSSara Sharon * Check that list is empty to avoid a race where txq_id is 948cfbc6c4cSSara Sharon * already updated, but the queue allocation work wasn't 949cfbc6c4cSSara Sharon * finished 950cfbc6c4cSSara Sharon */ 951cfbc6c4cSSara Sharon if (unlikely(txq->sta && !list_empty(&mvmtxq->list))) 952cfbc6c4cSSara Sharon return; 953cfbc6c4cSSara Sharon 954cfbc6c4cSSara Sharon iwl_mvm_mac_itxq_xmit(hw, txq); 955cfbc6c4cSSara Sharon return; 956cfbc6c4cSSara Sharon } 957cfbc6c4cSSara Sharon 958cfbc6c4cSSara Sharon /* The list is being deleted only after the queue is fully allocated. */ 959cfbc6c4cSSara Sharon if (!list_empty(&mvmtxq->list)) 960cfbc6c4cSSara Sharon return; 961cfbc6c4cSSara Sharon 962cfbc6c4cSSara Sharon list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs); 963cfbc6c4cSSara Sharon schedule_work(&mvm->add_stream_wk); 964cfbc6c4cSSara Sharon } 965cfbc6c4cSSara Sharon 966e705c121SKalle Valo #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ 967e705c121SKalle Valo do { \ 968e705c121SKalle Valo if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ 969e705c121SKalle Valo break; \ 9707174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ 971e705c121SKalle Valo } while (0) 972e705c121SKalle Valo 973e705c121SKalle Valo static void 974e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 975e705c121SKalle Valo struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, 976e705c121SKalle Valo enum ieee80211_ampdu_mlme_action action) 977e705c121SKalle Valo { 978e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 979e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 980e705c121SKalle Valo 9816c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 9826c042d75SSara Sharon FW_DBG_TRIGGER_BA); 9836c042d75SSara Sharon if (!trig) 984e705c121SKalle Valo return; 985e705c121SKalle Valo 986e705c121SKalle Valo ba_trig = (void *)trig->data; 987e705c121SKalle Valo 988e705c121SKalle Valo switch (action) { 989e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: { 990e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 991e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 992e705c121SKalle Valo 993e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, 994e705c121SKalle Valo "TX AGG START: MAC %pM tid %d ssn %d\n", 995e705c121SKalle Valo sta->addr, tid, tid_data->ssn); 996e705c121SKalle Valo break; 997e705c121SKalle Valo } 998e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 999e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, 1000e705c121SKalle Valo "TX AGG STOP: MAC %pM tid %d\n", 1001e705c121SKalle Valo sta->addr, tid); 1002e705c121SKalle Valo break; 1003e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 1004e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, 1005e705c121SKalle Valo "RX AGG START: MAC %pM tid %d ssn %d\n", 1006e705c121SKalle Valo sta->addr, tid, rx_ba_ssn); 1007e705c121SKalle Valo break; 1008e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 1009e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, 1010e705c121SKalle Valo "RX AGG STOP: MAC %pM tid %d\n", 1011e705c121SKalle Valo sta->addr, tid); 1012e705c121SKalle Valo break; 1013e705c121SKalle Valo default: 1014e705c121SKalle Valo break; 1015e705c121SKalle Valo } 1016e705c121SKalle Valo } 1017e705c121SKalle Valo 1018e705c121SKalle Valo static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, 1019e705c121SKalle Valo struct ieee80211_vif *vif, 102050ea05efSSara Sharon struct ieee80211_ampdu_params *params) 1021e705c121SKalle Valo { 1022e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1023e705c121SKalle Valo int ret; 1024e705c121SKalle Valo bool tx_agg_ref = false; 102550ea05efSSara Sharon struct ieee80211_sta *sta = params->sta; 102650ea05efSSara Sharon enum ieee80211_ampdu_mlme_action action = params->action; 102750ea05efSSara Sharon u16 tid = params->tid; 102850ea05efSSara Sharon u16 *ssn = ¶ms->ssn; 1029514c3069SLuca Coelho u16 buf_size = params->buf_size; 1030bb81bb68SEmmanuel Grumbach bool amsdu = params->amsdu; 103110b2b201SSara Sharon u16 timeout = params->timeout; 1032e705c121SKalle Valo 1033e705c121SKalle Valo IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", 1034e705c121SKalle Valo sta->addr, tid, action); 1035e705c121SKalle Valo 1036e705c121SKalle Valo if (!(mvm->nvm_data->sku_cap_11n_enable)) 1037e705c121SKalle Valo return -EACCES; 1038e705c121SKalle Valo 1039e705c121SKalle Valo /* return from D0i3 before starting a new Tx aggregation */ 1040e705c121SKalle Valo switch (action) { 1041e705c121SKalle Valo case IEEE80211_AMPDU_TX_START: 1042e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 1043e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH: 1044e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1045e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: 1046e705c121SKalle Valo /* 1047e705c121SKalle Valo * for tx start, wait synchronously until D0i3 exit to 1048e705c121SKalle Valo * get the correct sequence number for the tid. 1049e705c121SKalle Valo * additionally, some other ampdu actions use direct 1050e705c121SKalle Valo * target access, which is not handled automatically 1051e705c121SKalle Valo * by the trans layer (unlike commands), so wait for 1052e705c121SKalle Valo * d0i3 exit in these cases as well. 1053e705c121SKalle Valo */ 1054e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG); 1055e705c121SKalle Valo if (ret) 1056e705c121SKalle Valo return ret; 1057e705c121SKalle Valo 1058e705c121SKalle Valo tx_agg_ref = true; 1059e705c121SKalle Valo break; 1060e705c121SKalle Valo default: 1061e705c121SKalle Valo break; 1062e705c121SKalle Valo } 1063e705c121SKalle Valo 1064e705c121SKalle Valo mutex_lock(&mvm->mutex); 1065e705c121SKalle Valo 1066e705c121SKalle Valo switch (action) { 1067e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 1068b0ffe455SJohannes Berg if (iwl_mvm_vif_from_mac80211(vif)->ap_sta_id == 1069b0ffe455SJohannes Berg iwl_mvm_sta_from_mac80211(sta)->sta_id) { 1070b0ffe455SJohannes Berg struct iwl_mvm_vif *mvmvif; 1071b0ffe455SJohannes Berg u16 macid = iwl_mvm_vif_from_mac80211(vif)->id; 1072b0ffe455SJohannes Berg struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid]; 1073b0ffe455SJohannes Berg 1074b0ffe455SJohannes Berg mdata->opened_rx_ba_sessions = true; 1075b0ffe455SJohannes Berg mvmvif = iwl_mvm_vif_from_mac80211(vif); 1076b0ffe455SJohannes Berg cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk); 1077b0ffe455SJohannes Berg } 1078e78da25eSJohannes Berg if (!iwl_enable_rx_ampdu()) { 1079e705c121SKalle Valo ret = -EINVAL; 1080e705c121SKalle Valo break; 1081e705c121SKalle Valo } 108210b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, 108310b2b201SSara Sharon timeout); 1084e705c121SKalle Valo break; 1085e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 108610b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, 108710b2b201SSara Sharon timeout); 1088e705c121SKalle Valo break; 1089e705c121SKalle Valo case IEEE80211_AMPDU_TX_START: 1090e78da25eSJohannes Berg if (!iwl_enable_tx_ampdu()) { 1091e705c121SKalle Valo ret = -EINVAL; 1092e705c121SKalle Valo break; 1093e705c121SKalle Valo } 1094e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); 1095e705c121SKalle Valo break; 1096e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 1097e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); 1098e705c121SKalle Valo break; 1099e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH: 1100e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1101e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); 1102e705c121SKalle Valo break; 1103e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: 1104bb81bb68SEmmanuel Grumbach ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, 1105bb81bb68SEmmanuel Grumbach buf_size, amsdu); 1106e705c121SKalle Valo break; 1107e705c121SKalle Valo default: 1108e705c121SKalle Valo WARN_ON_ONCE(1); 1109e705c121SKalle Valo ret = -EINVAL; 1110e705c121SKalle Valo break; 1111e705c121SKalle Valo } 1112e705c121SKalle Valo 1113e705c121SKalle Valo if (!ret) { 1114e705c121SKalle Valo u16 rx_ba_ssn = 0; 1115e705c121SKalle Valo 1116e705c121SKalle Valo if (action == IEEE80211_AMPDU_RX_START) 1117e705c121SKalle Valo rx_ba_ssn = *ssn; 1118e705c121SKalle Valo 1119e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, 1120e705c121SKalle Valo rx_ba_ssn, action); 1121e705c121SKalle Valo } 1122e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1123e705c121SKalle Valo 1124e705c121SKalle Valo /* 1125e705c121SKalle Valo * If the tid is marked as started, we won't use it for offloaded 1126e705c121SKalle Valo * traffic on the next D0i3 entry. It's safe to unref. 1127e705c121SKalle Valo */ 1128e705c121SKalle Valo if (tx_agg_ref) 1129e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG); 1130e705c121SKalle Valo 1131e705c121SKalle Valo return ret; 1132e705c121SKalle Valo } 1133e705c121SKalle Valo 1134e705c121SKalle Valo static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, 1135e705c121SKalle Valo struct ieee80211_vif *vif) 1136e705c121SKalle Valo { 1137e705c121SKalle Valo struct iwl_mvm *mvm = data; 1138e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1139e705c121SKalle Valo 1140e705c121SKalle Valo mvmvif->uploaded = false; 11410ae98812SSara Sharon mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; 1142e705c121SKalle Valo 1143e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 1144e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); 1145e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 1146e705c121SKalle Valo 1147e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1148e705c121SKalle Valo memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data)); 114986e177d8SGregory Greenman memset(&mvmvif->probe_resp_data, 0, sizeof(mvmvif->probe_resp_data)); 1150e705c121SKalle Valo } 1151e705c121SKalle Valo 1152e705c121SKalle Valo static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) 1153e705c121SKalle Valo { 1154e705c121SKalle Valo /* clear the D3 reconfig, we only need it to avoid dumping a 1155e705c121SKalle Valo * firmware coredump on reconfiguration, we shouldn't do that 1156e705c121SKalle Valo * on D3->D0 transition 1157e705c121SKalle Valo */ 1158e705c121SKalle Valo if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG, &mvm->status)) { 11597174beb6SJohannes Berg mvm->fwrt.dump.desc = &iwl_dump_desc_assert; 11607174beb6SJohannes Berg iwl_fw_error_dump(&mvm->fwrt); 1161e705c121SKalle Valo } 1162e705c121SKalle Valo 1163e705c121SKalle Valo /* cleanup all stale references (scan, roc), but keep the 1164e705c121SKalle Valo * ucode_down ref until reconfig is complete 1165e705c121SKalle Valo */ 1166e705c121SKalle Valo iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN); 1167e705c121SKalle Valo 1168fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1169e705c121SKalle Valo 1170e705c121SKalle Valo mvm->scan_status = 0; 1171e705c121SKalle Valo mvm->ps_disabled = false; 1172e705c121SKalle Valo mvm->calibrating = false; 1173e705c121SKalle Valo 1174e705c121SKalle Valo /* just in case one was running */ 1175305d236eSEliad Peller iwl_mvm_cleanup_roc_te(mvm); 1176e705c121SKalle Valo ieee80211_remain_on_channel_expired(mvm->hw); 1177e705c121SKalle Valo 1178e705c121SKalle Valo /* 1179e705c121SKalle Valo * cleanup all interfaces, even inactive ones, as some might have 1180e705c121SKalle Valo * gone down during the HW restart 1181e705c121SKalle Valo */ 1182e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); 1183e705c121SKalle Valo 1184e705c121SKalle Valo mvm->p2p_device_vif = NULL; 11850ae98812SSara Sharon mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA; 1186e705c121SKalle Valo 1187e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 11889c3deeb5SLuca Coelho memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); 1189e705c121SKalle Valo memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); 1190e705c121SKalle Valo memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); 1191e705c121SKalle Valo 1192e705c121SKalle Valo ieee80211_wake_queues(mvm->hw); 1193e705c121SKalle Valo 1194e705c121SKalle Valo /* clear any stale d0i3 state */ 1195e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); 1196e705c121SKalle Valo 1197e705c121SKalle Valo mvm->vif_count = 0; 1198e705c121SKalle Valo mvm->rx_ba_sessions = 0; 11997174beb6SJohannes Berg mvm->fwrt.dump.conf = FW_DBG_INVALID; 1200baf41bc3SShaul Triebitz mvm->monitor_on = false; 1201e705c121SKalle Valo 1202e705c121SKalle Valo /* keep statistics ticking */ 1203e705c121SKalle Valo iwl_mvm_accu_radio_stats(mvm); 1204e705c121SKalle Valo } 1205e705c121SKalle Valo 1206e705c121SKalle Valo int __iwl_mvm_mac_start(struct iwl_mvm *mvm) 1207e705c121SKalle Valo { 1208e705c121SKalle Valo int ret; 1209e705c121SKalle Valo 1210e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1211e705c121SKalle Valo 1212bf8b286fSJohannes Berg if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { 1213bf8b286fSJohannes Berg /* 1214bf8b286fSJohannes Berg * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART 1215bf8b286fSJohannes Berg * so later code will - from now on - see that we're doing it. 1216bf8b286fSJohannes Berg */ 1217bf8b286fSJohannes Berg set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1218bf8b286fSJohannes Berg clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1219e705c121SKalle Valo /* Clean up some internal and mac80211 state on restart */ 1220e705c121SKalle Valo iwl_mvm_restart_cleanup(mvm); 1221a42b2af3SLuca Coelho } else { 1222a42b2af3SLuca Coelho /* Hold the reference to prevent runtime suspend while 1223a42b2af3SLuca Coelho * the start procedure runs. It's a bit confusing 1224a42b2af3SLuca Coelho * that the UCODE_DOWN reference is taken, but it just 1225a42b2af3SLuca Coelho * means "UCODE is not UP yet". ( TODO: rename this 1226a42b2af3SLuca Coelho * reference). 1227a42b2af3SLuca Coelho */ 1228a42b2af3SLuca Coelho iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); 1229a42b2af3SLuca Coelho } 1230e705c121SKalle Valo ret = iwl_mvm_up(mvm); 1231e705c121SKalle Valo 1232da2eb669SSara Sharon iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_POST_INIT); 1233da2eb669SSara Sharon 1234e705c121SKalle Valo if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1235e705c121SKalle Valo /* Something went wrong - we need to finish some cleanup 1236e705c121SKalle Valo * that normally iwl_mvm_mac_restart_complete() below 1237e705c121SKalle Valo * would do. 1238e705c121SKalle Valo */ 1239e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1240a75b9b33SLuca Coelho #ifdef CONFIG_PM 1241e705c121SKalle Valo iwl_mvm_d0i3_enable_tx(mvm, NULL); 1242a75b9b33SLuca Coelho #endif 1243e705c121SKalle Valo } 1244e705c121SKalle Valo 1245e705c121SKalle Valo return ret; 1246e705c121SKalle Valo } 1247e705c121SKalle Valo 1248e705c121SKalle Valo static int iwl_mvm_mac_start(struct ieee80211_hw *hw) 1249e705c121SKalle Valo { 1250e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1251e705c121SKalle Valo int ret; 1252e705c121SKalle Valo 1253e705c121SKalle Valo /* Some hw restart cleanups must not hold the mutex */ 1254e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1255e705c121SKalle Valo /* 1256e705c121SKalle Valo * Make sure we are out of d0i3. This is needed 1257e705c121SKalle Valo * to make sure the reference accounting is correct 1258e705c121SKalle Valo * (and there is no stale d0i3_exit_work). 1259e705c121SKalle Valo */ 1260e705c121SKalle Valo wait_event_timeout(mvm->d0i3_exit_waitq, 1261e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_IN_D0I3, 1262e705c121SKalle Valo &mvm->status), 1263e705c121SKalle Valo HZ); 1264e705c121SKalle Valo } 1265e705c121SKalle Valo 1266e705c121SKalle Valo mutex_lock(&mvm->mutex); 1267e705c121SKalle Valo ret = __iwl_mvm_mac_start(mvm); 1268e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1269e705c121SKalle Valo 1270e705c121SKalle Valo return ret; 1271e705c121SKalle Valo } 1272e705c121SKalle Valo 1273e705c121SKalle Valo static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 1274e705c121SKalle Valo { 1275e705c121SKalle Valo int ret; 1276e705c121SKalle Valo 1277e705c121SKalle Valo mutex_lock(&mvm->mutex); 1278e705c121SKalle Valo 1279e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1280a75b9b33SLuca Coelho #ifdef CONFIG_PM 1281e705c121SKalle Valo iwl_mvm_d0i3_enable_tx(mvm, NULL); 1282a75b9b33SLuca Coelho #endif 1283e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 1284e705c121SKalle Valo if (ret) 1285e705c121SKalle Valo IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", 1286e705c121SKalle Valo ret); 1287e705c121SKalle Valo 1288e705c121SKalle Valo /* allow transport/FW low power modes */ 1289e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN); 1290e705c121SKalle Valo 1291e705c121SKalle Valo /* 1292e705c121SKalle Valo * If we have TDLS peers, remove them. We don't know the last seqno/PN 1293e705c121SKalle Valo * of packets the FW sent out, so we must reconnect. 1294e705c121SKalle Valo */ 1295e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 1296e705c121SKalle Valo 1297e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1298e705c121SKalle Valo } 1299e705c121SKalle Valo 1300e705c121SKalle Valo static void iwl_mvm_resume_complete(struct iwl_mvm *mvm) 1301e705c121SKalle Valo { 1302b7282643SLuca Coelho if (iwl_mvm_is_d0i3_supported(mvm) && 1303b7282643SLuca Coelho iwl_mvm_enter_d0i3_on_suspend(mvm)) 1304b7282643SLuca Coelho WARN_ONCE(!wait_event_timeout(mvm->d0i3_exit_waitq, 1305e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_IN_D0I3, 1306e705c121SKalle Valo &mvm->status), 1307b7282643SLuca Coelho HZ), 1308b7282643SLuca Coelho "D0i3 exit on resume timed out\n"); 1309e705c121SKalle Valo } 1310e705c121SKalle Valo 1311e705c121SKalle Valo static void 1312e705c121SKalle Valo iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, 1313e705c121SKalle Valo enum ieee80211_reconfig_type reconfig_type) 1314e705c121SKalle Valo { 1315e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1316e705c121SKalle Valo 1317e705c121SKalle Valo switch (reconfig_type) { 1318e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_RESTART: 1319e705c121SKalle Valo iwl_mvm_restart_complete(mvm); 1320e705c121SKalle Valo break; 1321e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_SUSPEND: 1322e705c121SKalle Valo iwl_mvm_resume_complete(mvm); 1323e705c121SKalle Valo break; 1324e705c121SKalle Valo } 1325e705c121SKalle Valo } 1326e705c121SKalle Valo 1327e705c121SKalle Valo void __iwl_mvm_mac_stop(struct iwl_mvm *mvm) 1328e705c121SKalle Valo { 1329e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1330e705c121SKalle Valo 1331e705c121SKalle Valo /* firmware counters are obviously reset now, but we shouldn't 1332e705c121SKalle Valo * partially track so also clear the fw_reset_accu counters. 1333e705c121SKalle Valo */ 1334e705c121SKalle Valo memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); 1335e705c121SKalle Valo 1336e705c121SKalle Valo /* async_handlers_wk is now blocked */ 1337e705c121SKalle Valo 1338e705c121SKalle Valo /* 1339e705c121SKalle Valo * The work item could be running or queued if the 1340e705c121SKalle Valo * ROC time event stops just as we get here. 1341e705c121SKalle Valo */ 1342e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 1343e705c121SKalle Valo 1344fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1345e705c121SKalle Valo 1346e705c121SKalle Valo iwl_mvm_async_handlers_purge(mvm); 1347e705c121SKalle Valo /* async_handlers_list is empty and will stay empty: HW is stopped */ 1348e705c121SKalle Valo 1349e705c121SKalle Valo /* the fw is stopped, the aux sta is dead: clean up driver state */ 1350e705c121SKalle Valo iwl_mvm_del_aux_sta(mvm); 1351e705c121SKalle Valo 1352e705c121SKalle Valo /* 1353155f7e04SEmmanuel Grumbach * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the 1354155f7e04SEmmanuel Grumbach * hw (as restart_complete() won't be called in this case) and mac80211 1355155f7e04SEmmanuel Grumbach * won't execute the restart. 1356e705c121SKalle Valo * But make sure to cleanup interfaces that have gone down before/during 1357e705c121SKalle Valo * HW restart was requested. 1358e705c121SKalle Valo */ 1359155f7e04SEmmanuel Grumbach if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || 1360155f7e04SEmmanuel Grumbach test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1361155f7e04SEmmanuel Grumbach &mvm->status)) 1362e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, 1363e705c121SKalle Valo iwl_mvm_cleanup_iterator, mvm); 1364e705c121SKalle Valo 1365e705c121SKalle Valo /* We shouldn't have any UIDs still set. Loop over all the UIDs to 1366e705c121SKalle Valo * make sure there's nothing left there and warn if any is found. 1367e705c121SKalle Valo */ 1368e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1369e705c121SKalle Valo int i; 1370e705c121SKalle Valo 1371e705c121SKalle Valo for (i = 0; i < mvm->max_scans; i++) { 1372e705c121SKalle Valo if (WARN_ONCE(mvm->scan_uid_status[i], 1373e705c121SKalle Valo "UMAC scan UID %d status was not cleaned\n", 1374e705c121SKalle Valo i)) 1375e705c121SKalle Valo mvm->scan_uid_status[i] = 0; 1376e705c121SKalle Valo } 1377e705c121SKalle Valo } 1378e705c121SKalle Valo } 1379e705c121SKalle Valo 1380e705c121SKalle Valo static void iwl_mvm_mac_stop(struct ieee80211_hw *hw) 1381e705c121SKalle Valo { 1382e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1383e705c121SKalle Valo 1384e705c121SKalle Valo flush_work(&mvm->d0i3_exit_work); 1385e705c121SKalle Valo flush_work(&mvm->async_handlers_wk); 138624afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 1387771147b0SJohannes Berg 1388771147b0SJohannes Berg /* 1389771147b0SJohannes Berg * Lock and clear the firmware running bit here already, so that 1390771147b0SJohannes Berg * new commands coming in elsewhere, e.g. from debugfs, will not 1391771147b0SJohannes Berg * be able to proceed. This is important here because one of those 13927174beb6SJohannes Berg * debugfs files causes the firmware dump to be triggered, and if we 1393771147b0SJohannes Berg * don't stop debugfs accesses before canceling that it could be 1394771147b0SJohannes Berg * retriggered after we flush it but before we've cleared the bit. 1395771147b0SJohannes Berg */ 1396771147b0SJohannes Berg clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1397771147b0SJohannes Berg 13987174beb6SJohannes Berg iwl_fw_cancel_dump(&mvm->fwrt); 1399d3a108a4SAndrei Otcheretianski cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); 140069e04642SLuca Coelho cancel_delayed_work_sync(&mvm->scan_timeout_dwork); 14017174beb6SJohannes Berg iwl_fw_free_dump_desc(&mvm->fwrt); 1402e705c121SKalle Valo 1403e705c121SKalle Valo mutex_lock(&mvm->mutex); 1404e705c121SKalle Valo __iwl_mvm_mac_stop(mvm); 1405e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1406e705c121SKalle Valo 1407e705c121SKalle Valo /* 1408e705c121SKalle Valo * The worker might have been waiting for the mutex, let it run and 1409e705c121SKalle Valo * discover that its list is now empty. 1410e705c121SKalle Valo */ 1411e705c121SKalle Valo cancel_work_sync(&mvm->async_handlers_wk); 1412e705c121SKalle Valo } 1413e705c121SKalle Valo 1414e705c121SKalle Valo static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) 1415e705c121SKalle Valo { 1416e705c121SKalle Valo u16 i; 1417e705c121SKalle Valo 1418e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1419e705c121SKalle Valo 1420e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) 1421e705c121SKalle Valo if (!mvm->phy_ctxts[i].ref) 1422e705c121SKalle Valo return &mvm->phy_ctxts[i]; 1423e705c121SKalle Valo 1424e705c121SKalle Valo IWL_ERR(mvm, "No available PHY context\n"); 1425e705c121SKalle Valo return NULL; 1426e705c121SKalle Valo } 1427e705c121SKalle Valo 1428e705c121SKalle Valo static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1429e705c121SKalle Valo s16 tx_power) 1430e705c121SKalle Valo { 14310791c2fcSHaim Dreyfuss int len; 14320791c2fcSHaim Dreyfuss union { 14330791c2fcSHaim Dreyfuss struct iwl_dev_tx_power_cmd v5; 14340791c2fcSHaim Dreyfuss struct iwl_dev_tx_power_cmd_v4 v4; 14350791c2fcSHaim Dreyfuss } cmd = { 14360791c2fcSHaim Dreyfuss .v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), 14370791c2fcSHaim Dreyfuss .v5.v3.mac_context_id = 1438e705c121SKalle Valo cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), 14390791c2fcSHaim Dreyfuss .v5.v3.pwr_restriction = cpu_to_le16(8 * tx_power), 1440e705c121SKalle Valo }; 1441e705c121SKalle Valo 1442e705c121SKalle Valo if (tx_power == IWL_DEFAULT_MAX_TX_POWER) 14430791c2fcSHaim Dreyfuss cmd.v5.v3.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); 1444e705c121SKalle Valo 14450791c2fcSHaim Dreyfuss if (fw_has_api(&mvm->fw->ucode_capa, 14460791c2fcSHaim Dreyfuss IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 14470791c2fcSHaim Dreyfuss len = sizeof(cmd.v5); 14480791c2fcSHaim Dreyfuss else if (fw_has_capa(&mvm->fw->ucode_capa, 14490791c2fcSHaim Dreyfuss IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 14500791c2fcSHaim Dreyfuss len = sizeof(cmd.v4); 14510791c2fcSHaim Dreyfuss else 14520791c2fcSHaim Dreyfuss len = sizeof(cmd.v4.v3); 1453e705c121SKalle Valo 1454e705c121SKalle Valo return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); 1455e705c121SKalle Valo } 1456e705c121SKalle Valo 1457e705c121SKalle Valo static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 1458e705c121SKalle Valo struct ieee80211_vif *vif) 1459e705c121SKalle Valo { 1460e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1461e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1462e705c121SKalle Valo int ret; 1463e705c121SKalle Valo 1464e705c121SKalle Valo mvmvif->mvm = mvm; 146586e177d8SGregory Greenman RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL); 1466e705c121SKalle Valo 1467e705c121SKalle Valo /* 1468e705c121SKalle Valo * make sure D0i3 exit is completed, otherwise a target access 1469e705c121SKalle Valo * during tx queue configuration could be done when still in 1470e705c121SKalle Valo * D0i3 state. 1471e705c121SKalle Valo */ 1472e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF); 1473e705c121SKalle Valo if (ret) 1474e705c121SKalle Valo return ret; 1475e705c121SKalle Valo 1476e705c121SKalle Valo /* 1477e705c121SKalle Valo * Not much to do here. The stack will not allow interface 1478e705c121SKalle Valo * types or combinations that we didn't advertise, so we 1479e705c121SKalle Valo * don't really have to check the types. 1480e705c121SKalle Valo */ 1481e705c121SKalle Valo 1482e705c121SKalle Valo mutex_lock(&mvm->mutex); 1483e705c121SKalle Valo 1484e705c121SKalle Valo /* make sure that beacon statistics don't go backwards with FW reset */ 1485e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1486e705c121SKalle Valo mvmvif->beacon_stats.accu_num_beacons += 1487e705c121SKalle Valo mvmvif->beacon_stats.num_beacons; 1488e705c121SKalle Valo 1489e705c121SKalle Valo /* Allocate resources for the MAC context, and add it to the fw */ 1490e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_init(mvm, vif); 1491e705c121SKalle Valo if (ret) 1492e705c121SKalle Valo goto out_unlock; 1493e705c121SKalle Valo 1494698478c4SSara Sharon rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); 1495698478c4SSara Sharon 1496e705c121SKalle Valo /* Counting number of interfaces is needed for legacy PM */ 1497e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_P2P_DEVICE) 1498e705c121SKalle Valo mvm->vif_count++; 1499e705c121SKalle Valo 1500e705c121SKalle Valo /* 1501e705c121SKalle Valo * The AP binding flow can be done only after the beacon 1502e705c121SKalle Valo * template is configured (which happens only in the mac80211 1503e705c121SKalle Valo * start_ap() flow), and adding the broadcast station can happen 1504e705c121SKalle Valo * only after the binding. 1505e705c121SKalle Valo * In addition, since modifying the MAC before adding a bcast 1506e705c121SKalle Valo * station is not allowed by the FW, delay the adding of MAC context to 1507e705c121SKalle Valo * the point where we can also add the bcast station. 1508e705c121SKalle Valo * In short: there's not much we can do at this point, other than 1509e705c121SKalle Valo * allocating resources :) 1510e705c121SKalle Valo */ 1511e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1512e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 1513e705c121SKalle Valo ret = iwl_mvm_alloc_bcast_sta(mvm, vif); 1514e705c121SKalle Valo if (ret) { 1515e705c121SKalle Valo IWL_ERR(mvm, "Failed to allocate bcast sta\n"); 1516e705c121SKalle Valo goto out_release; 1517e705c121SKalle Valo } 1518e705c121SKalle Valo 151926d6c16bSSara Sharon /* 152026d6c16bSSara Sharon * Only queue for this station is the mcast queue, 152126d6c16bSSara Sharon * which shouldn't be in TFD mask anyway 152226d6c16bSSara Sharon */ 152326d6c16bSSara Sharon ret = iwl_mvm_allocate_int_sta(mvm, &mvmvif->mcast_sta, 1524ced19f26SSara Sharon 0, vif->type, 1525ced19f26SSara Sharon IWL_STA_MULTICAST); 152626d6c16bSSara Sharon if (ret) 152726d6c16bSSara Sharon goto out_release; 152826d6c16bSSara Sharon 1529e705c121SKalle Valo iwl_mvm_vif_dbgfs_register(mvm, vif); 1530e705c121SKalle Valo goto out_unlock; 1531e705c121SKalle Valo } 1532e705c121SKalle Valo 1533e705c121SKalle Valo mvmvif->features |= hw->netdev_features; 1534e705c121SKalle Valo 1535e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 1536e705c121SKalle Valo if (ret) 1537e705c121SKalle Valo goto out_release; 1538e705c121SKalle Valo 1539e705c121SKalle Valo ret = iwl_mvm_power_update_mac(mvm); 1540e705c121SKalle Valo if (ret) 1541e705c121SKalle Valo goto out_remove_mac; 1542e705c121SKalle Valo 1543e705c121SKalle Valo /* beacon filtering */ 1544e705c121SKalle Valo ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 1545e705c121SKalle Valo if (ret) 1546e705c121SKalle Valo goto out_remove_mac; 1547e705c121SKalle Valo 1548e705c121SKalle Valo if (!mvm->bf_allowed_vif && 1549e705c121SKalle Valo vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { 1550e705c121SKalle Valo mvm->bf_allowed_vif = mvmvif; 1551e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 1552e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI; 1553e705c121SKalle Valo } 1554e705c121SKalle Valo 1555e705c121SKalle Valo /* 1556e705c121SKalle Valo * P2P_DEVICE interface does not have a channel context assigned to it, 1557e705c121SKalle Valo * so a dedicated PHY context is allocated to it and the corresponding 1558e705c121SKalle Valo * MAC context is bound to it at this stage. 1559e705c121SKalle Valo */ 1560e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1561e705c121SKalle Valo 1562e705c121SKalle Valo mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 1563e705c121SKalle Valo if (!mvmvif->phy_ctxt) { 1564e705c121SKalle Valo ret = -ENOSPC; 1565e705c121SKalle Valo goto out_free_bf; 1566e705c121SKalle Valo } 1567e705c121SKalle Valo 1568e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 1569e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 1570e705c121SKalle Valo if (ret) 1571e705c121SKalle Valo goto out_unref_phy; 1572e705c121SKalle Valo 1573d197358bSLuca Coelho ret = iwl_mvm_add_p2p_bcast_sta(mvm, vif); 1574e705c121SKalle Valo if (ret) 1575e705c121SKalle Valo goto out_unbind; 1576e705c121SKalle Valo 1577e705c121SKalle Valo /* Save a pointer to p2p device vif, so it can later be used to 1578e705c121SKalle Valo * update the p2p device MAC when a GO is started/stopped */ 1579e705c121SKalle Valo mvm->p2p_device_vif = vif; 1580e705c121SKalle Valo } 1581e705c121SKalle Valo 1582b0ffe455SJohannes Berg iwl_mvm_tcm_add_vif(mvm, vif); 1583b0ffe455SJohannes Berg 1584baf41bc3SShaul Triebitz if (vif->type == NL80211_IFTYPE_MONITOR) 1585baf41bc3SShaul Triebitz mvm->monitor_on = true; 1586baf41bc3SShaul Triebitz 1587e705c121SKalle Valo iwl_mvm_vif_dbgfs_register(mvm, vif); 1588e705c121SKalle Valo goto out_unlock; 1589e705c121SKalle Valo 1590e705c121SKalle Valo out_unbind: 1591e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1592e705c121SKalle Valo out_unref_phy: 1593e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 1594e705c121SKalle Valo out_free_bf: 1595e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1596e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1597e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1598e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1599e705c121SKalle Valo } 1600e705c121SKalle Valo out_remove_mac: 1601e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1602e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1603e705c121SKalle Valo out_release: 1604e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_P2P_DEVICE) 1605e705c121SKalle Valo mvm->vif_count--; 1606e705c121SKalle Valo out_unlock: 1607e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1608e705c121SKalle Valo 1609e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF); 1610e705c121SKalle Valo 1611e705c121SKalle Valo return ret; 1612e705c121SKalle Valo } 1613e705c121SKalle Valo 1614e705c121SKalle Valo static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1615e705c121SKalle Valo struct ieee80211_vif *vif) 1616e705c121SKalle Valo { 1617e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1618e705c121SKalle Valo /* 1619e705c121SKalle Valo * Flush the ROC worker which will flush the OFFCHANNEL queue. 1620e705c121SKalle Valo * We assume here that all the packets sent to the OFFCHANNEL 1621e705c121SKalle Valo * queue are sent in ROC session. 1622e705c121SKalle Valo */ 1623e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 1624e705c121SKalle Valo } 1625e705c121SKalle Valo } 1626e705c121SKalle Valo 1627e705c121SKalle Valo static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 1628e705c121SKalle Valo struct ieee80211_vif *vif) 1629e705c121SKalle Valo { 1630e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1631e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 163286e177d8SGregory Greenman struct iwl_probe_resp_data *probe_data; 1633e705c121SKalle Valo 1634e705c121SKalle Valo iwl_mvm_prepare_mac_removal(mvm, vif); 1635e705c121SKalle Valo 1636b0ffe455SJohannes Berg if (!(vif->type == NL80211_IFTYPE_AP || 1637b0ffe455SJohannes Berg vif->type == NL80211_IFTYPE_ADHOC)) 1638b0ffe455SJohannes Berg iwl_mvm_tcm_rm_vif(mvm, vif); 1639b0ffe455SJohannes Berg 1640e705c121SKalle Valo mutex_lock(&mvm->mutex); 1641e705c121SKalle Valo 164286e177d8SGregory Greenman probe_data = rcu_dereference_protected(mvmvif->probe_resp_data, 164386e177d8SGregory Greenman lockdep_is_held(&mvm->mutex)); 164486e177d8SGregory Greenman RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL); 164586e177d8SGregory Greenman if (probe_data) 164686e177d8SGregory Greenman kfree_rcu(probe_data, rcu_head); 164786e177d8SGregory Greenman 1648e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1649e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1650e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1651e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1652e705c121SKalle Valo } 1653e705c121SKalle Valo 1654e705c121SKalle Valo iwl_mvm_vif_dbgfs_clean(mvm, vif); 1655e705c121SKalle Valo 1656e705c121SKalle Valo /* 1657e705c121SKalle Valo * For AP/GO interface, the tear down of the resources allocated to the 1658e705c121SKalle Valo * interface is be handled as part of the stop_ap flow. 1659e705c121SKalle Valo */ 1660e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1661e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 1662e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 1663e705c121SKalle Valo if (vif == mvm->noa_vif) { 1664e705c121SKalle Valo mvm->noa_vif = NULL; 1665e705c121SKalle Valo mvm->noa_duration = 0; 1666e705c121SKalle Valo } 1667e705c121SKalle Valo #endif 166826d6c16bSSara Sharon iwl_mvm_dealloc_int_sta(mvm, &mvmvif->mcast_sta); 1669e705c121SKalle Valo iwl_mvm_dealloc_bcast_sta(mvm, vif); 1670e705c121SKalle Valo goto out_release; 1671e705c121SKalle Valo } 1672e705c121SKalle Valo 1673e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1674e705c121SKalle Valo mvm->p2p_device_vif = NULL; 1675d197358bSLuca Coelho iwl_mvm_rm_p2p_bcast_sta(mvm, vif); 1676e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1677e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 1678e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1679e705c121SKalle Valo } 1680e705c121SKalle Valo 1681e705c121SKalle Valo if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE) 1682e705c121SKalle Valo mvm->vif_count--; 1683e705c121SKalle Valo 1684e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 1685e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1686e705c121SKalle Valo 1687698478c4SSara Sharon RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); 1688698478c4SSara Sharon 1689baf41bc3SShaul Triebitz if (vif->type == NL80211_IFTYPE_MONITOR) 1690baf41bc3SShaul Triebitz mvm->monitor_on = false; 1691baf41bc3SShaul Triebitz 1692e705c121SKalle Valo out_release: 1693e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1694e705c121SKalle Valo } 1695e705c121SKalle Valo 1696e705c121SKalle Valo static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed) 1697e705c121SKalle Valo { 1698e705c121SKalle Valo return 0; 1699e705c121SKalle Valo } 1700e705c121SKalle Valo 1701e705c121SKalle Valo struct iwl_mvm_mc_iter_data { 1702e705c121SKalle Valo struct iwl_mvm *mvm; 1703e705c121SKalle Valo int port_id; 1704e705c121SKalle Valo }; 1705e705c121SKalle Valo 1706e705c121SKalle Valo static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 1707e705c121SKalle Valo struct ieee80211_vif *vif) 1708e705c121SKalle Valo { 1709e705c121SKalle Valo struct iwl_mvm_mc_iter_data *data = _data; 1710e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1711e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 171297bce57bSLuca Coelho struct iwl_host_cmd hcmd = { 171397bce57bSLuca Coelho .id = MCAST_FILTER_CMD, 171497bce57bSLuca Coelho .flags = CMD_ASYNC, 171597bce57bSLuca Coelho .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 171697bce57bSLuca Coelho }; 1717e705c121SKalle Valo int ret, len; 1718e705c121SKalle Valo 1719e705c121SKalle Valo /* if we don't have free ports, mcast frames will be dropped */ 1720e705c121SKalle Valo if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 1721e705c121SKalle Valo return; 1722e705c121SKalle Valo 1723e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || 1724e705c121SKalle Valo !vif->bss_conf.assoc) 1725e705c121SKalle Valo return; 1726e705c121SKalle Valo 1727e705c121SKalle Valo cmd->port_id = data->port_id++; 1728e705c121SKalle Valo memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 1729e705c121SKalle Valo len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 1730e705c121SKalle Valo 173197bce57bSLuca Coelho hcmd.len[0] = len; 173297bce57bSLuca Coelho hcmd.data[0] = cmd; 173397bce57bSLuca Coelho 173497bce57bSLuca Coelho ret = iwl_mvm_send_cmd(mvm, &hcmd); 1735e705c121SKalle Valo if (ret) 1736e705c121SKalle Valo IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 1737e705c121SKalle Valo } 1738e705c121SKalle Valo 1739e705c121SKalle Valo static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 1740e705c121SKalle Valo { 1741e705c121SKalle Valo struct iwl_mvm_mc_iter_data iter_data = { 1742e705c121SKalle Valo .mvm = mvm, 1743e705c121SKalle Valo }; 1744e705c121SKalle Valo 1745e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1746e705c121SKalle Valo 1747e705c121SKalle Valo if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 1748e705c121SKalle Valo return; 1749e705c121SKalle Valo 1750e705c121SKalle Valo ieee80211_iterate_active_interfaces_atomic( 1751e705c121SKalle Valo mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1752e705c121SKalle Valo iwl_mvm_mc_iface_iterator, &iter_data); 1753e705c121SKalle Valo } 1754e705c121SKalle Valo 1755e705c121SKalle Valo static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 1756e705c121SKalle Valo struct netdev_hw_addr_list *mc_list) 1757e705c121SKalle Valo { 1758e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1759e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd; 1760e705c121SKalle Valo struct netdev_hw_addr *addr; 1761e705c121SKalle Valo int addr_count; 1762e705c121SKalle Valo bool pass_all; 1763e705c121SKalle Valo int len; 1764e705c121SKalle Valo 1765e705c121SKalle Valo addr_count = netdev_hw_addr_list_count(mc_list); 1766e705c121SKalle Valo pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 1767e705c121SKalle Valo IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 1768e705c121SKalle Valo if (pass_all) 1769e705c121SKalle Valo addr_count = 0; 1770e705c121SKalle Valo 1771e705c121SKalle Valo len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 1772e705c121SKalle Valo cmd = kzalloc(len, GFP_ATOMIC); 1773e705c121SKalle Valo if (!cmd) 1774e705c121SKalle Valo return 0; 1775e705c121SKalle Valo 1776e705c121SKalle Valo if (pass_all) { 1777e705c121SKalle Valo cmd->pass_all = 1; 1778e705c121SKalle Valo return (u64)(unsigned long)cmd; 1779e705c121SKalle Valo } 1780e705c121SKalle Valo 1781e705c121SKalle Valo netdev_hw_addr_list_for_each(addr, mc_list) { 1782e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 1783e705c121SKalle Valo cmd->count, addr->addr); 1784e705c121SKalle Valo memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 1785e705c121SKalle Valo addr->addr, ETH_ALEN); 1786e705c121SKalle Valo cmd->count++; 1787e705c121SKalle Valo } 1788e705c121SKalle Valo 1789e705c121SKalle Valo return (u64)(unsigned long)cmd; 1790e705c121SKalle Valo } 1791e705c121SKalle Valo 1792e705c121SKalle Valo static void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 1793e705c121SKalle Valo unsigned int changed_flags, 1794e705c121SKalle Valo unsigned int *total_flags, 1795e705c121SKalle Valo u64 multicast) 1796e705c121SKalle Valo { 1797e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1798e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; 1799e705c121SKalle Valo 1800e705c121SKalle Valo mutex_lock(&mvm->mutex); 1801e705c121SKalle Valo 1802e705c121SKalle Valo /* replace previous configuration */ 1803e705c121SKalle Valo kfree(mvm->mcast_filter_cmd); 1804e705c121SKalle Valo mvm->mcast_filter_cmd = cmd; 1805e705c121SKalle Valo 1806e705c121SKalle Valo if (!cmd) 1807e705c121SKalle Valo goto out; 1808e705c121SKalle Valo 180961e7d91bSLuca Coelho if (changed_flags & FIF_ALLMULTI) 181061e7d91bSLuca Coelho cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); 181161e7d91bSLuca Coelho 181261e7d91bSLuca Coelho if (cmd->pass_all) 181361e7d91bSLuca Coelho cmd->count = 0; 181461e7d91bSLuca Coelho 1815e705c121SKalle Valo iwl_mvm_recalc_multicast(mvm); 1816e705c121SKalle Valo out: 1817e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1818e705c121SKalle Valo *total_flags = 0; 1819e705c121SKalle Valo } 1820e705c121SKalle Valo 1821e705c121SKalle Valo static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 1822e705c121SKalle Valo struct ieee80211_vif *vif, 1823e705c121SKalle Valo unsigned int filter_flags, 1824e705c121SKalle Valo unsigned int changed_flags) 1825e705c121SKalle Valo { 1826e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1827e705c121SKalle Valo 1828e705c121SKalle Valo /* We support only filter for probe requests */ 1829e705c121SKalle Valo if (!(changed_flags & FIF_PROBE_REQ)) 1830e705c121SKalle Valo return; 1831e705c121SKalle Valo 1832e705c121SKalle Valo /* Supported only for p2p client interfaces */ 1833e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc || 1834e705c121SKalle Valo !vif->p2p) 1835e705c121SKalle Valo return; 1836e705c121SKalle Valo 1837e705c121SKalle Valo mutex_lock(&mvm->mutex); 1838e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1839e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1840e705c121SKalle Valo } 1841e705c121SKalle Valo 1842e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 1843e705c121SKalle Valo struct iwl_bcast_iter_data { 1844e705c121SKalle Valo struct iwl_mvm *mvm; 1845e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd; 1846e705c121SKalle Valo u8 current_filter; 1847e705c121SKalle Valo }; 1848e705c121SKalle Valo 1849e705c121SKalle Valo static void 1850e705c121SKalle Valo iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif, 1851e705c121SKalle Valo const struct iwl_fw_bcast_filter *in_filter, 1852e705c121SKalle Valo struct iwl_fw_bcast_filter *out_filter) 1853e705c121SKalle Valo { 1854e705c121SKalle Valo struct iwl_fw_bcast_filter_attr *attr; 1855e705c121SKalle Valo int i; 1856e705c121SKalle Valo 1857e705c121SKalle Valo memcpy(out_filter, in_filter, sizeof(*out_filter)); 1858e705c121SKalle Valo 1859e705c121SKalle Valo for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) { 1860e705c121SKalle Valo attr = &out_filter->attrs[i]; 1861e705c121SKalle Valo 1862e705c121SKalle Valo if (!attr->mask) 1863e705c121SKalle Valo break; 1864e705c121SKalle Valo 1865e705c121SKalle Valo switch (attr->reserved1) { 1866e705c121SKalle Valo case cpu_to_le16(BC_FILTER_MAGIC_IP): 1867e705c121SKalle Valo if (vif->bss_conf.arp_addr_cnt != 1) { 1868e705c121SKalle Valo attr->mask = 0; 1869e705c121SKalle Valo continue; 1870e705c121SKalle Valo } 1871e705c121SKalle Valo 1872e705c121SKalle Valo attr->val = vif->bss_conf.arp_addr_list[0]; 1873e705c121SKalle Valo break; 1874e705c121SKalle Valo case cpu_to_le16(BC_FILTER_MAGIC_MAC): 1875e705c121SKalle Valo attr->val = *(__be32 *)&vif->addr[2]; 1876e705c121SKalle Valo break; 1877e705c121SKalle Valo default: 1878e705c121SKalle Valo break; 1879e705c121SKalle Valo } 1880e705c121SKalle Valo attr->reserved1 = 0; 1881e705c121SKalle Valo out_filter->num_attrs++; 1882e705c121SKalle Valo } 1883e705c121SKalle Valo } 1884e705c121SKalle Valo 1885e705c121SKalle Valo static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac, 1886e705c121SKalle Valo struct ieee80211_vif *vif) 1887e705c121SKalle Valo { 1888e705c121SKalle Valo struct iwl_bcast_iter_data *data = _data; 1889e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1890e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd = data->cmd; 1891e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1892e705c121SKalle Valo struct iwl_fw_bcast_mac *bcast_mac; 1893e705c121SKalle Valo int i; 1894e705c121SKalle Valo 1895e705c121SKalle Valo if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs))) 1896e705c121SKalle Valo return; 1897e705c121SKalle Valo 1898e705c121SKalle Valo bcast_mac = &cmd->macs[mvmvif->id]; 1899e705c121SKalle Valo 1900e705c121SKalle Valo /* 1901e705c121SKalle Valo * enable filtering only for associated stations, but not for P2P 1902e705c121SKalle Valo * Clients 1903e705c121SKalle Valo */ 1904e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || vif->p2p || 1905e705c121SKalle Valo !vif->bss_conf.assoc) 1906e705c121SKalle Valo return; 1907e705c121SKalle Valo 1908e705c121SKalle Valo bcast_mac->default_discard = 1; 1909e705c121SKalle Valo 1910e705c121SKalle Valo /* copy all configured filters */ 1911e705c121SKalle Valo for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) { 1912e705c121SKalle Valo /* 1913e705c121SKalle Valo * Make sure we don't exceed our filters limit. 1914e705c121SKalle Valo * if there is still a valid filter to be configured, 1915e705c121SKalle Valo * be on the safe side and just allow bcast for this mac. 1916e705c121SKalle Valo */ 1917e705c121SKalle Valo if (WARN_ON_ONCE(data->current_filter >= 1918e705c121SKalle Valo ARRAY_SIZE(cmd->filters))) { 1919e705c121SKalle Valo bcast_mac->default_discard = 0; 1920e705c121SKalle Valo bcast_mac->attached_filters = 0; 1921e705c121SKalle Valo break; 1922e705c121SKalle Valo } 1923e705c121SKalle Valo 1924e705c121SKalle Valo iwl_mvm_set_bcast_filter(vif, 1925e705c121SKalle Valo &mvm->bcast_filters[i], 1926e705c121SKalle Valo &cmd->filters[data->current_filter]); 1927e705c121SKalle Valo 1928e705c121SKalle Valo /* skip current filter if it contains no attributes */ 1929e705c121SKalle Valo if (!cmd->filters[data->current_filter].num_attrs) 1930e705c121SKalle Valo continue; 1931e705c121SKalle Valo 1932e705c121SKalle Valo /* attach the filter to current mac */ 1933e705c121SKalle Valo bcast_mac->attached_filters |= 1934e705c121SKalle Valo cpu_to_le16(BIT(data->current_filter)); 1935e705c121SKalle Valo 1936e705c121SKalle Valo data->current_filter++; 1937e705c121SKalle Valo } 1938e705c121SKalle Valo } 1939e705c121SKalle Valo 1940e705c121SKalle Valo bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm, 1941e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd) 1942e705c121SKalle Valo { 1943e705c121SKalle Valo struct iwl_bcast_iter_data iter_data = { 1944e705c121SKalle Valo .mvm = mvm, 1945e705c121SKalle Valo .cmd = cmd, 1946e705c121SKalle Valo }; 1947e705c121SKalle Valo 1948e705c121SKalle Valo if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL) 1949e705c121SKalle Valo return false; 1950e705c121SKalle Valo 1951e705c121SKalle Valo memset(cmd, 0, sizeof(*cmd)); 1952e705c121SKalle Valo cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters); 1953e705c121SKalle Valo cmd->max_macs = ARRAY_SIZE(cmd->macs); 1954e705c121SKalle Valo 1955e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_DEBUGFS 1956e705c121SKalle Valo /* use debugfs filters/macs if override is configured */ 1957e705c121SKalle Valo if (mvm->dbgfs_bcast_filtering.override) { 1958e705c121SKalle Valo memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters, 1959e705c121SKalle Valo sizeof(cmd->filters)); 1960e705c121SKalle Valo memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs, 1961e705c121SKalle Valo sizeof(cmd->macs)); 1962e705c121SKalle Valo return true; 1963e705c121SKalle Valo } 1964e705c121SKalle Valo #endif 1965e705c121SKalle Valo 1966e705c121SKalle Valo /* if no filters are configured, do nothing */ 1967e705c121SKalle Valo if (!mvm->bcast_filters) 1968e705c121SKalle Valo return false; 1969e705c121SKalle Valo 1970e705c121SKalle Valo /* configure and attach these filters for each associated sta vif */ 1971e705c121SKalle Valo ieee80211_iterate_active_interfaces( 1972e705c121SKalle Valo mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1973e705c121SKalle Valo iwl_mvm_bcast_filter_iterator, &iter_data); 1974e705c121SKalle Valo 1975e705c121SKalle Valo return true; 1976e705c121SKalle Valo } 197734672bb3SEliad Peller 197834672bb3SEliad Peller static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm) 1979e705c121SKalle Valo { 1980e705c121SKalle Valo struct iwl_bcast_filter_cmd cmd; 1981e705c121SKalle Valo 1982e705c121SKalle Valo if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING)) 1983e705c121SKalle Valo return 0; 1984e705c121SKalle Valo 1985e705c121SKalle Valo if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) 1986e705c121SKalle Valo return 0; 1987e705c121SKalle Valo 1988e705c121SKalle Valo return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, 1989e705c121SKalle Valo sizeof(cmd), &cmd); 1990e705c121SKalle Valo } 1991e705c121SKalle Valo #else 199234672bb3SEliad Peller static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm) 1993e705c121SKalle Valo { 1994e705c121SKalle Valo return 0; 1995e705c121SKalle Valo } 1996e705c121SKalle Valo #endif 1997e705c121SKalle Valo 1998a07a8f37SSara Sharon static int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, 1999a07a8f37SSara Sharon struct ieee80211_vif *vif) 2000a07a8f37SSara Sharon { 2001a07a8f37SSara Sharon struct iwl_mu_group_mgmt_cmd cmd = {}; 2002a07a8f37SSara Sharon 2003a07a8f37SSara Sharon memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 2004a07a8f37SSara Sharon WLAN_MEMBERSHIP_LEN); 2005a07a8f37SSara Sharon memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 2006a07a8f37SSara Sharon WLAN_USER_POSITION_LEN); 2007a07a8f37SSara Sharon 2008a07a8f37SSara Sharon return iwl_mvm_send_cmd_pdu(mvm, 2009a07a8f37SSara Sharon WIDE_ID(DATA_PATH_GROUP, 2010a07a8f37SSara Sharon UPDATE_MU_GROUPS_CMD), 2011a07a8f37SSara Sharon 0, sizeof(cmd), &cmd); 2012a07a8f37SSara Sharon } 2013a07a8f37SSara Sharon 2014f92659a1SSara Sharon static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 2015f92659a1SSara Sharon struct ieee80211_vif *vif) 2016f92659a1SSara Sharon { 2017f92659a1SSara Sharon if (vif->mu_mimo_owner) { 2018f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = _data; 2019f92659a1SSara Sharon 2020f92659a1SSara Sharon /* 2021f92659a1SSara Sharon * MU-MIMO Group Id action frame is little endian. We treat 2022f92659a1SSara Sharon * the data received from firmware as if it came from the 2023f92659a1SSara Sharon * action frame, so no conversion is needed. 2024f92659a1SSara Sharon */ 2025f92659a1SSara Sharon ieee80211_update_mu_groups(vif, 2026f92659a1SSara Sharon (u8 *)¬if->membership_status, 2027f92659a1SSara Sharon (u8 *)¬if->user_position); 2028f92659a1SSara Sharon } 2029f92659a1SSara Sharon } 2030f92659a1SSara Sharon 2031f92659a1SSara Sharon void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 2032f92659a1SSara Sharon struct iwl_rx_cmd_buffer *rxb) 2033f92659a1SSara Sharon { 2034f92659a1SSara Sharon struct iwl_rx_packet *pkt = rxb_addr(rxb); 2035f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 2036f92659a1SSara Sharon 2037f92659a1SSara Sharon ieee80211_iterate_active_interfaces_atomic( 2038f92659a1SSara Sharon mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2039f92659a1SSara Sharon iwl_mvm_mu_mimo_iface_iterator, notif); 2040f92659a1SSara Sharon } 2041f92659a1SSara Sharon 2042514c3069SLuca Coelho static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) 2043514c3069SLuca Coelho { 2044514c3069SLuca Coelho u8 byte_num = ppe_pos_bit / 8; 2045514c3069SLuca Coelho u8 bit_num = ppe_pos_bit % 8; 2046514c3069SLuca Coelho u8 residue_bits; 2047514c3069SLuca Coelho u8 res; 2048514c3069SLuca Coelho 2049514c3069SLuca Coelho if (bit_num <= 5) 2050514c3069SLuca Coelho return (ppe[byte_num] >> bit_num) & 2051514c3069SLuca Coelho (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); 2052514c3069SLuca Coelho 2053514c3069SLuca Coelho /* 2054514c3069SLuca Coelho * If bit_num > 5, we have to combine bits with next byte. 2055514c3069SLuca Coelho * Calculate how many bits we need to take from current byte (called 2056514c3069SLuca Coelho * here "residue_bits"), and add them to bits from next byte. 2057514c3069SLuca Coelho */ 2058514c3069SLuca Coelho 2059514c3069SLuca Coelho residue_bits = 8 - bit_num; 2060514c3069SLuca Coelho 2061514c3069SLuca Coelho res = (ppe[byte_num + 1] & 2062514c3069SLuca Coelho (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << 2063514c3069SLuca Coelho residue_bits; 2064514c3069SLuca Coelho res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); 2065514c3069SLuca Coelho 2066514c3069SLuca Coelho return res; 2067514c3069SLuca Coelho } 2068514c3069SLuca Coelho 2069514c3069SLuca Coelho static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, 2070514c3069SLuca Coelho struct ieee80211_vif *vif, u8 sta_id) 2071514c3069SLuca Coelho { 2072514c3069SLuca Coelho struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2073514c3069SLuca Coelho struct iwl_he_sta_context_cmd sta_ctxt_cmd = { 2074514c3069SLuca Coelho .sta_id = sta_id, 2075514c3069SLuca Coelho .tid_limit = IWL_MAX_TID_COUNT, 2076514c3069SLuca Coelho .bss_color = vif->bss_conf.bss_color, 2077514c3069SLuca Coelho .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, 2078514c3069SLuca Coelho .frame_time_rts_th = 2079514c3069SLuca Coelho cpu_to_le16(vif->bss_conf.frame_time_rts_th), 2080514c3069SLuca Coelho }; 2081514c3069SLuca Coelho struct ieee80211_sta *sta; 2082514c3069SLuca Coelho u32 flags; 2083514c3069SLuca Coelho int i; 2084514c3069SLuca Coelho 2085514c3069SLuca Coelho rcu_read_lock(); 2086514c3069SLuca Coelho 2087514c3069SLuca Coelho sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); 2088514c3069SLuca Coelho if (IS_ERR(sta)) { 2089514c3069SLuca Coelho rcu_read_unlock(); 2090514c3069SLuca Coelho WARN(1, "Can't find STA to configure HE\n"); 2091514c3069SLuca Coelho return; 2092514c3069SLuca Coelho } 2093514c3069SLuca Coelho 2094514c3069SLuca Coelho if (!sta->he_cap.has_he) { 2095514c3069SLuca Coelho rcu_read_unlock(); 2096514c3069SLuca Coelho return; 2097514c3069SLuca Coelho } 2098514c3069SLuca Coelho 2099514c3069SLuca Coelho flags = 0; 2100514c3069SLuca Coelho 2101514c3069SLuca Coelho /* HTC flags */ 2102514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[0] & 2103514c3069SLuca Coelho IEEE80211_HE_MAC_CAP0_HTC_HE) 2104514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); 2105514c3069SLuca Coelho if ((sta->he_cap.he_cap_elem.mac_cap_info[1] & 2106514c3069SLuca Coelho IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || 2107514c3069SLuca Coelho (sta->he_cap.he_cap_elem.mac_cap_info[2] & 2108514c3069SLuca Coelho IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { 2109514c3069SLuca Coelho u8 link_adap = 2110514c3069SLuca Coelho ((sta->he_cap.he_cap_elem.mac_cap_info[2] & 2111514c3069SLuca Coelho IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + 2112514c3069SLuca Coelho (sta->he_cap.he_cap_elem.mac_cap_info[1] & 2113514c3069SLuca Coelho IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); 2114514c3069SLuca Coelho 2115514c3069SLuca Coelho if (link_adap == 2) 2116514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= 2117514c3069SLuca Coelho cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); 2118514c3069SLuca Coelho else if (link_adap == 3) 2119514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= 2120514c3069SLuca Coelho cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); 2121514c3069SLuca Coelho } 2122514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) 2123514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); 2124514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[3] & 2125514c3069SLuca Coelho IEEE80211_HE_MAC_CAP3_OMI_CONTROL) 2126514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); 2127514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) 2128514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); 2129514c3069SLuca Coelho 2130189b8d44SNaftali Goldstein /* 2131189b8d44SNaftali Goldstein * Initialize the PPE thresholds to "None" (7), as described in Table 2132189b8d44SNaftali Goldstein * 9-262ac of 80211.ax/D3.0. 2133189b8d44SNaftali Goldstein */ 2134189b8d44SNaftali Goldstein memset(&sta_ctxt_cmd.pkt_ext, 7, sizeof(sta_ctxt_cmd.pkt_ext)); 2135189b8d44SNaftali Goldstein 2136189b8d44SNaftali Goldstein /* If PPE Thresholds exist, parse them into a FW-familiar format. */ 2137514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.phy_cap_info[6] & 2138514c3069SLuca Coelho IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2139514c3069SLuca Coelho u8 nss = (sta->he_cap.ppe_thres[0] & 2140514c3069SLuca Coelho IEEE80211_PPE_THRES_NSS_MASK) + 1; 2141514c3069SLuca Coelho u8 ru_index_bitmap = 2142514c3069SLuca Coelho (sta->he_cap.ppe_thres[0] & 2143514c3069SLuca Coelho IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK) >> 2144514c3069SLuca Coelho IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS; 2145514c3069SLuca Coelho u8 *ppe = &sta->he_cap.ppe_thres[0]; 2146514c3069SLuca Coelho u8 ppe_pos_bit = 7; /* Starting after PPE header */ 2147514c3069SLuca Coelho 2148514c3069SLuca Coelho /* 2149514c3069SLuca Coelho * FW currently supports only nss == MAX_HE_SUPP_NSS 2150514c3069SLuca Coelho * 2151514c3069SLuca Coelho * If nss > MAX: we can ignore values we don't support 2152514c3069SLuca Coelho * If nss < MAX: we can set zeros in other streams 2153514c3069SLuca Coelho */ 2154514c3069SLuca Coelho if (nss > MAX_HE_SUPP_NSS) { 2155514c3069SLuca Coelho IWL_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, 2156514c3069SLuca Coelho MAX_HE_SUPP_NSS); 2157514c3069SLuca Coelho nss = MAX_HE_SUPP_NSS; 2158514c3069SLuca Coelho } 2159514c3069SLuca Coelho 2160514c3069SLuca Coelho for (i = 0; i < nss; i++) { 2161514c3069SLuca Coelho u8 ru_index_tmp = ru_index_bitmap << 1; 2162514c3069SLuca Coelho u8 bw; 2163514c3069SLuca Coelho 2164514c3069SLuca Coelho for (bw = 0; bw < MAX_HE_CHANNEL_BW_INDX; bw++) { 2165514c3069SLuca Coelho ru_index_tmp >>= 1; 2166514c3069SLuca Coelho if (!(ru_index_tmp & 1)) 2167514c3069SLuca Coelho continue; 2168514c3069SLuca Coelho 2169514c3069SLuca Coelho sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][1] = 2170514c3069SLuca Coelho iwl_mvm_he_get_ppe_val(ppe, 2171514c3069SLuca Coelho ppe_pos_bit); 2172514c3069SLuca Coelho ppe_pos_bit += 2173514c3069SLuca Coelho IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2174514c3069SLuca Coelho sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][0] = 2175514c3069SLuca Coelho iwl_mvm_he_get_ppe_val(ppe, 2176514c3069SLuca Coelho ppe_pos_bit); 2177514c3069SLuca Coelho ppe_pos_bit += 2178514c3069SLuca Coelho IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2179514c3069SLuca Coelho } 2180514c3069SLuca Coelho } 2181514c3069SLuca Coelho 2182514c3069SLuca Coelho flags |= STA_CTXT_HE_PACKET_EXT; 2183514c3069SLuca Coelho } 2184514c3069SLuca Coelho rcu_read_unlock(); 2185514c3069SLuca Coelho 2186514c3069SLuca Coelho /* Mark MU EDCA as enabled, unless none detected on some AC */ 2187514c3069SLuca Coelho flags |= STA_CTXT_HE_MU_EDCA_CW; 2188514c3069SLuca Coelho for (i = 0; i < AC_NUM; i++) { 2189514c3069SLuca Coelho struct ieee80211_he_mu_edca_param_ac_rec *mu_edca = 2190514c3069SLuca Coelho &mvmvif->queue_params[i].mu_edca_param_rec; 2191514c3069SLuca Coelho 2192514c3069SLuca Coelho if (!mvmvif->queue_params[i].mu_edca) { 2193514c3069SLuca Coelho flags &= ~STA_CTXT_HE_MU_EDCA_CW; 2194514c3069SLuca Coelho break; 2195514c3069SLuca Coelho } 2196514c3069SLuca Coelho 2197514c3069SLuca Coelho sta_ctxt_cmd.trig_based_txf[i].cwmin = 2198514c3069SLuca Coelho cpu_to_le16(mu_edca->ecw_min_max & 0xf); 2199514c3069SLuca Coelho sta_ctxt_cmd.trig_based_txf[i].cwmax = 2200514c3069SLuca Coelho cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); 2201514c3069SLuca Coelho sta_ctxt_cmd.trig_based_txf[i].aifsn = 2202514c3069SLuca Coelho cpu_to_le16(mu_edca->aifsn); 2203514c3069SLuca Coelho sta_ctxt_cmd.trig_based_txf[i].mu_time = 2204514c3069SLuca Coelho cpu_to_le16(mu_edca->mu_edca_timer); 2205514c3069SLuca Coelho } 2206514c3069SLuca Coelho 2207514c3069SLuca Coelho if (vif->bss_conf.multi_sta_back_32bit) 2208514c3069SLuca Coelho flags |= STA_CTXT_HE_32BIT_BA_BITMAP; 2209514c3069SLuca Coelho 2210514c3069SLuca Coelho if (vif->bss_conf.ack_enabled) 2211514c3069SLuca Coelho flags |= STA_CTXT_HE_ACK_ENABLED; 2212514c3069SLuca Coelho 2213514c3069SLuca Coelho if (vif->bss_conf.uora_exists) { 2214514c3069SLuca Coelho flags |= STA_CTXT_HE_TRIG_RND_ALLOC; 2215514c3069SLuca Coelho 2216514c3069SLuca Coelho sta_ctxt_cmd.rand_alloc_ecwmin = 2217514c3069SLuca Coelho vif->bss_conf.uora_ocw_range & 0x7; 2218514c3069SLuca Coelho sta_ctxt_cmd.rand_alloc_ecwmax = 2219514c3069SLuca Coelho (vif->bss_conf.uora_ocw_range >> 3) & 0x7; 2220514c3069SLuca Coelho } 2221514c3069SLuca Coelho 2222514c3069SLuca Coelho /* TODO: support Multi BSSID IE */ 2223514c3069SLuca Coelho 2224514c3069SLuca Coelho sta_ctxt_cmd.flags = cpu_to_le32(flags); 2225514c3069SLuca Coelho 2226514c3069SLuca Coelho if (iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(STA_HE_CTXT_CMD, 2227514c3069SLuca Coelho DATA_PATH_GROUP, 0), 2228514c3069SLuca Coelho 0, sizeof(sta_ctxt_cmd), &sta_ctxt_cmd)) 2229514c3069SLuca Coelho IWL_ERR(mvm, "Failed to config FW to work HE!\n"); 2230514c3069SLuca Coelho } 2231514c3069SLuca Coelho 2232e705c121SKalle Valo static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 2233e705c121SKalle Valo struct ieee80211_vif *vif, 2234e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2235e705c121SKalle Valo u32 changes) 2236e705c121SKalle Valo { 2237e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2238e705c121SKalle Valo int ret; 2239e705c121SKalle Valo 2240e705c121SKalle Valo /* 2241e705c121SKalle Valo * Re-calculate the tsf id, as the master-slave relations depend on the 2242e705c121SKalle Valo * beacon interval, which was not known when the station interface was 2243e705c121SKalle Valo * added. 2244e705c121SKalle Valo */ 2245514c3069SLuca Coelho if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc) { 2246230ba6c5SLuca Coelho if (vif->bss_conf.he_support && 2247230ba6c5SLuca Coelho !iwlwifi_mod_params.disable_11ax) 2248514c3069SLuca Coelho iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id); 2249514c3069SLuca Coelho 2250e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2251514c3069SLuca Coelho } 2252e705c121SKalle Valo 2253e705c121SKalle Valo /* 2254e705c121SKalle Valo * If we're not associated yet, take the (new) BSSID before associating 2255e705c121SKalle Valo * so the firmware knows. If we're already associated, then use the old 2256e705c121SKalle Valo * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 2257e705c121SKalle Valo * branch for disassociation below. 2258e705c121SKalle Valo */ 2259e705c121SKalle Valo if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 2260e705c121SKalle Valo memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); 2261e705c121SKalle Valo 2262e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid); 2263e705c121SKalle Valo if (ret) 2264e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2265e705c121SKalle Valo 2266e705c121SKalle Valo /* after sending it once, adopt mac80211 data */ 2267e705c121SKalle Valo memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); 2268e705c121SKalle Valo mvmvif->associated = bss_conf->assoc; 2269e705c121SKalle Valo 2270e705c121SKalle Valo if (changes & BSS_CHANGED_ASSOC) { 2271e705c121SKalle Valo if (bss_conf->assoc) { 2272e705c121SKalle Valo /* clear statistics to get clean beacon counter */ 2273e705c121SKalle Valo iwl_mvm_request_statistics(mvm, true); 2274e705c121SKalle Valo memset(&mvmvif->beacon_stats, 0, 2275e705c121SKalle Valo sizeof(mvmvif->beacon_stats)); 2276e705c121SKalle Valo 2277e705c121SKalle Valo /* add quota for this interface */ 2278e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 2279e705c121SKalle Valo if (ret) { 2280e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 2281e705c121SKalle Valo return; 2282e705c121SKalle Valo } 2283e705c121SKalle Valo 2284e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2285e705c121SKalle Valo &mvm->status)) { 2286e705c121SKalle Valo /* 2287e705c121SKalle Valo * If we're restarting then the firmware will 2288e705c121SKalle Valo * obviously have lost synchronisation with 2289e705c121SKalle Valo * the AP. It will attempt to synchronise by 2290e705c121SKalle Valo * itself, but we can make it more reliable by 2291e705c121SKalle Valo * scheduling a session protection time event. 2292e705c121SKalle Valo * 2293e705c121SKalle Valo * The firmware needs to receive a beacon to 2294e705c121SKalle Valo * catch up with synchronisation, use 110% of 2295e705c121SKalle Valo * the beacon interval. 2296e705c121SKalle Valo * 2297e705c121SKalle Valo * Set a large maximum delay to allow for more 2298e705c121SKalle Valo * than a single interface. 2299e705c121SKalle Valo */ 2300e705c121SKalle Valo u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 2301e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, dur, dur, 2302e705c121SKalle Valo 5 * dur, false); 2303e705c121SKalle Valo } 2304e705c121SKalle Valo 2305e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 2306e705c121SKalle Valo iwl_mvm_power_vif_assoc(mvm, vif); 2307e705c121SKalle Valo if (vif->p2p) { 2308e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT); 2309e705c121SKalle Valo iwl_mvm_update_smps(mvm, vif, 2310e705c121SKalle Valo IWL_MVM_SMPS_REQ_PROT, 2311e705c121SKalle Valo IEEE80211_SMPS_DYNAMIC); 2312e705c121SKalle Valo } 23130ae98812SSara Sharon } else if (mvmvif->ap_sta_id != IWL_MVM_INVALID_STA) { 2314e705c121SKalle Valo /* 2315e705c121SKalle Valo * If update fails - SF might be running in associated 2316e705c121SKalle Valo * mode while disassociated - which is forbidden. 2317e705c121SKalle Valo */ 2318e705c121SKalle Valo WARN_ONCE(iwl_mvm_sf_update(mvm, vif, false), 2319e705c121SKalle Valo "Failed to update SF upon disassociation\n"); 2320e705c121SKalle Valo 23216b28f978SEmmanuel Grumbach /* 23226b28f978SEmmanuel Grumbach * If we get an assert during the connection (after the 23236b28f978SEmmanuel Grumbach * station has been added, but before the vif is set 23246b28f978SEmmanuel Grumbach * to associated), mac80211 will re-add the station and 23256b28f978SEmmanuel Grumbach * then configure the vif. Since the vif is not 23266b28f978SEmmanuel Grumbach * associated, we would remove the station here and 23276b28f978SEmmanuel Grumbach * this would fail the recovery. 23286b28f978SEmmanuel Grumbach */ 23296b28f978SEmmanuel Grumbach if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 23306b28f978SEmmanuel Grumbach &mvm->status)) { 23316b28f978SEmmanuel Grumbach /* 23326b28f978SEmmanuel Grumbach * Remove AP station now that 23336b28f978SEmmanuel Grumbach * the MAC is unassoc 23346b28f978SEmmanuel Grumbach */ 23356b28f978SEmmanuel Grumbach ret = iwl_mvm_rm_sta_id(mvm, vif, 23366b28f978SEmmanuel Grumbach mvmvif->ap_sta_id); 2337e705c121SKalle Valo if (ret) 23386b28f978SEmmanuel Grumbach IWL_ERR(mvm, 23396b28f978SEmmanuel Grumbach "failed to remove AP station\n"); 2340e705c121SKalle Valo 2341e705c121SKalle Valo if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id) 23426b28f978SEmmanuel Grumbach mvm->d0i3_ap_sta_id = 23436b28f978SEmmanuel Grumbach IWL_MVM_INVALID_STA; 23440ae98812SSara Sharon mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; 23456b28f978SEmmanuel Grumbach } 23466b28f978SEmmanuel Grumbach 2347e705c121SKalle Valo /* remove quota for this interface */ 2348e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2349e705c121SKalle Valo if (ret) 2350e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 2351e705c121SKalle Valo 2352e705c121SKalle Valo if (vif->p2p) 2353e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT); 2354e705c121SKalle Valo 2355e705c121SKalle Valo /* this will take the cleared BSSID from bss_conf */ 2356e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2357e705c121SKalle Valo if (ret) 2358e705c121SKalle Valo IWL_ERR(mvm, 2359e705c121SKalle Valo "failed to update MAC %pM (clear after unassoc)\n", 2360e705c121SKalle Valo vif->addr); 2361e705c121SKalle Valo } 2362e705c121SKalle Valo 2363a07a8f37SSara Sharon /* 2364a07a8f37SSara Sharon * The firmware tracks the MU-MIMO group on its own. 2365f92659a1SSara Sharon * However, on HW restart we should restore this data. 2366a07a8f37SSara Sharon */ 2367a07a8f37SSara Sharon if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2368f92659a1SSara Sharon (changes & BSS_CHANGED_MU_GROUPS) && vif->mu_mimo_owner) { 2369a07a8f37SSara Sharon ret = iwl_mvm_update_mu_groups(mvm, vif); 2370a07a8f37SSara Sharon if (ret) 2371a07a8f37SSara Sharon IWL_ERR(mvm, 2372a07a8f37SSara Sharon "failed to update VHT MU_MIMO groups\n"); 2373a07a8f37SSara Sharon } 2374a07a8f37SSara Sharon 2375e705c121SKalle Valo iwl_mvm_recalc_multicast(mvm); 237634672bb3SEliad Peller iwl_mvm_configure_bcast_filter(mvm); 2377e705c121SKalle Valo 2378e705c121SKalle Valo /* reset rssi values */ 2379e705c121SKalle Valo mvmvif->bf_data.ave_beacon_signal = 0; 2380e705c121SKalle Valo 2381e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2382e705c121SKalle Valo iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2383e705c121SKalle Valo IEEE80211_SMPS_AUTOMATIC); 2384355346baSAvraham Stern if (fw_has_capa(&mvm->fw->ucode_capa, 2385355346baSAvraham Stern IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2386355346baSAvraham Stern iwl_mvm_config_scan(mvm); 2387b45242c9SAvraham Stern } 2388b45242c9SAvraham Stern 2389b45242c9SAvraham Stern if (changes & BSS_CHANGED_BEACON_INFO) { 2390e705c121SKalle Valo /* 2391b45242c9SAvraham Stern * We received a beacon from the associated AP so 2392e705c121SKalle Valo * remove the session protection. 2393e705c121SKalle Valo */ 23943edfb5f4SAvraham Stern iwl_mvm_stop_session_protection(mvm, vif); 2395e705c121SKalle Valo 2396e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 2397e705c121SKalle Valo WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 2398e705c121SKalle Valo } 2399e705c121SKalle Valo 2400283115fbSAvri Altman if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2401283115fbSAvri Altman /* 2402283115fbSAvri Altman * Send power command on every beacon change, 2403283115fbSAvri Altman * because we may have not enabled beacon abort yet. 2404283115fbSAvri Altman */ 2405283115fbSAvri Altman BSS_CHANGED_BEACON_INFO)) { 2406e705c121SKalle Valo ret = iwl_mvm_power_update_mac(mvm); 2407e705c121SKalle Valo if (ret) 2408e705c121SKalle Valo IWL_ERR(mvm, "failed to update power mode\n"); 2409e705c121SKalle Valo } 2410e705c121SKalle Valo 2411e705c121SKalle Valo if (changes & BSS_CHANGED_TXPOWER) { 2412e705c121SKalle Valo IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", 2413e705c121SKalle Valo bss_conf->txpower); 2414e705c121SKalle Valo iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 2415e705c121SKalle Valo } 2416e705c121SKalle Valo 2417e705c121SKalle Valo if (changes & BSS_CHANGED_CQM) { 2418e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n"); 2419e705c121SKalle Valo /* reset cqm events tracking */ 2420e705c121SKalle Valo mvmvif->bf_data.last_cqm_event = 0; 2421e705c121SKalle Valo if (mvmvif->bf_data.bf_enabled) { 2422e705c121SKalle Valo ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 2423e705c121SKalle Valo if (ret) 2424e705c121SKalle Valo IWL_ERR(mvm, 2425e705c121SKalle Valo "failed to update CQM thresholds\n"); 2426e705c121SKalle Valo } 2427e705c121SKalle Valo } 2428e705c121SKalle Valo 2429e705c121SKalle Valo if (changes & BSS_CHANGED_ARP_FILTER) { 2430e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "arp filter changed\n"); 243134672bb3SEliad Peller iwl_mvm_configure_bcast_filter(mvm); 2432e705c121SKalle Valo } 2433e705c121SKalle Valo } 2434e705c121SKalle Valo 2435e705c121SKalle Valo static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 2436e705c121SKalle Valo struct ieee80211_vif *vif) 2437e705c121SKalle Valo { 2438e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2439e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2440e705c121SKalle Valo int ret; 2441e705c121SKalle Valo 2442e705c121SKalle Valo /* 2443e705c121SKalle Valo * iwl_mvm_mac_ctxt_add() might read directly from the device 2444e705c121SKalle Valo * (the system time), so make sure it is available. 2445e705c121SKalle Valo */ 2446e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP); 2447e705c121SKalle Valo if (ret) 2448e705c121SKalle Valo return ret; 2449e705c121SKalle Valo 2450e705c121SKalle Valo mutex_lock(&mvm->mutex); 2451e705c121SKalle Valo 2452e705c121SKalle Valo /* Send the beacon template */ 2453e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif); 2454e705c121SKalle Valo if (ret) 2455e705c121SKalle Valo goto out_unlock; 2456e705c121SKalle Valo 2457e705c121SKalle Valo /* 2458e705c121SKalle Valo * Re-calculate the tsf id, as the master-slave relations depend on the 2459e705c121SKalle Valo * beacon interval, which was not known when the AP interface was added. 2460e705c121SKalle Valo */ 2461e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) 2462e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2463e705c121SKalle Valo 2464e705c121SKalle Valo mvmvif->ap_assoc_sta_count = 0; 2465e705c121SKalle Valo 2466e705c121SKalle Valo /* Add the mac context */ 2467e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 2468e705c121SKalle Valo if (ret) 2469e705c121SKalle Valo goto out_unlock; 2470e705c121SKalle Valo 2471e705c121SKalle Valo /* Perform the binding */ 2472e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 2473e705c121SKalle Valo if (ret) 2474e705c121SKalle Valo goto out_remove; 2475e705c121SKalle Valo 247663dd5d02SSara Sharon /* 247763dd5d02SSara Sharon * This is not very nice, but the simplest: 247863dd5d02SSara Sharon * For older FWs adding the mcast sta before the bcast station may 247963dd5d02SSara Sharon * cause assert 0x2b00. 248063dd5d02SSara Sharon * This is fixed in later FW so make the order of removal depend on 248163dd5d02SSara Sharon * the TLV 248263dd5d02SSara Sharon */ 248363dd5d02SSara Sharon if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { 2484ced19f26SSara Sharon ret = iwl_mvm_add_mcast_sta(mvm, vif); 2485ced19f26SSara Sharon if (ret) 2486ced19f26SSara Sharon goto out_unbind; 248763dd5d02SSara Sharon /* 248863dd5d02SSara Sharon * Send the bcast station. At this stage the TBTT and DTIM time 248963dd5d02SSara Sharon * events are added and applied to the scheduler 249063dd5d02SSara Sharon */ 2491e705c121SKalle Valo ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 249263dd5d02SSara Sharon if (ret) { 249363dd5d02SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 249463dd5d02SSara Sharon goto out_unbind; 249563dd5d02SSara Sharon } 249663dd5d02SSara Sharon } else { 249763dd5d02SSara Sharon /* 249863dd5d02SSara Sharon * Send the bcast station. At this stage the TBTT and DTIM time 249963dd5d02SSara Sharon * events are added and applied to the scheduler 250063dd5d02SSara Sharon */ 250175fd4fecSJohannes Berg ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 2502e705c121SKalle Valo if (ret) 250363dd5d02SSara Sharon goto out_unbind; 250475fd4fecSJohannes Berg ret = iwl_mvm_add_mcast_sta(mvm, vif); 250563dd5d02SSara Sharon if (ret) { 250663dd5d02SSara Sharon iwl_mvm_send_rm_bcast_sta(mvm, vif); 250763dd5d02SSara Sharon goto out_unbind; 250863dd5d02SSara Sharon } 250963dd5d02SSara Sharon } 251026d6c16bSSara Sharon 2511e705c121SKalle Valo /* must be set before quota calculations */ 2512e705c121SKalle Valo mvmvif->ap_ibss_active = true; 2513e705c121SKalle Valo 251447242744STova Mussai if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 251547242744STova Mussai iwl_mvm_vif_set_low_latency(mvmvif, true, 251647242744STova Mussai LOW_LATENCY_VIF_TYPE); 251747242744STova Mussai iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); 251847242744STova Mussai } 251947242744STova Mussai 2520e705c121SKalle Valo /* power updated needs to be done before quotas */ 2521e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2522e705c121SKalle Valo 2523e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2524e705c121SKalle Valo if (ret) 2525e705c121SKalle Valo goto out_quota_failed; 2526e705c121SKalle Valo 2527e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2528e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2529e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2530e705c121SKalle Valo 2531e705c121SKalle Valo iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS); 2532e705c121SKalle Valo 2533e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2534e705c121SKalle Valo 2535e705c121SKalle Valo /* we don't support TDLS during DCM */ 2536e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 2537e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 2538e705c121SKalle Valo 2539e705c121SKalle Valo goto out_unlock; 2540e705c121SKalle Valo 2541e705c121SKalle Valo out_quota_failed: 2542e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2543e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2544e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2545ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2546e705c121SKalle Valo out_unbind: 2547e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2548e705c121SKalle Valo out_remove: 2549e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2550e705c121SKalle Valo out_unlock: 2551e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2552e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP); 2553e705c121SKalle Valo return ret; 2554e705c121SKalle Valo } 2555e705c121SKalle Valo 2556e705c121SKalle Valo static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 2557e705c121SKalle Valo struct ieee80211_vif *vif) 2558e705c121SKalle Valo { 2559e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2560e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2561e705c121SKalle Valo 2562e705c121SKalle Valo iwl_mvm_prepare_mac_removal(mvm, vif); 2563e705c121SKalle Valo 2564e705c121SKalle Valo mutex_lock(&mvm->mutex); 2565e705c121SKalle Valo 2566e705c121SKalle Valo /* Handle AP stop while in CSA */ 2567e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_vif) == vif) { 2568e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, 2569e705c121SKalle Valo &mvmvif->time_event_data); 2570e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_vif, NULL); 2571e705c121SKalle Valo mvmvif->csa_countdown = false; 2572e705c121SKalle Valo } 2573e705c121SKalle Valo 2574e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 2575e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 2576e705c121SKalle Valo mvm->csa_tx_block_bcn_timeout = 0; 2577e705c121SKalle Valo } 2578e705c121SKalle Valo 2579e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2580e705c121SKalle Valo mvm->ap_last_beacon_gp2 = 0; 2581e705c121SKalle Valo 258247242744STova Mussai if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 258347242744STova Mussai iwl_mvm_vif_set_low_latency(mvmvif, false, 258447242744STova Mussai LOW_LATENCY_VIF_TYPE); 258547242744STova Mussai iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); 258647242744STova Mussai } 258747242744STova Mussai 2588e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2589e705c121SKalle Valo 2590e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS); 2591e705c121SKalle Valo 2592e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2593e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2594e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2595e705c121SKalle Valo 2596e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 2597ced19f26SSara Sharon 2598ced19f26SSara Sharon /* 2599ced19f26SSara Sharon * This is not very nice, but the simplest: 2600ced19f26SSara Sharon * For older FWs removing the mcast sta before the bcast station may 2601ced19f26SSara Sharon * cause assert 0x2b00. 2602ced19f26SSara Sharon * This is fixed in later FW (which will stop beaconing when removing 2603ced19f26SSara Sharon * bcast station). 2604ced19f26SSara Sharon * So make the order of removal depend on the TLV 2605ced19f26SSara Sharon */ 2606ced19f26SSara Sharon if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 260726d6c16bSSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2608e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2609ced19f26SSara Sharon if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 2610ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2611e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2612e705c121SKalle Valo 2613e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2614e705c121SKalle Valo 2615e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2616e705c121SKalle Valo 2617337bfc98SAvraham Stern kfree(mvmvif->ap_wep_key); 2618337bfc98SAvraham Stern mvmvif->ap_wep_key = NULL; 2619337bfc98SAvraham Stern 2620e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2621e705c121SKalle Valo } 2622e705c121SKalle Valo 2623e705c121SKalle Valo static void 2624e705c121SKalle Valo iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 2625e705c121SKalle Valo struct ieee80211_vif *vif, 2626e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2627e705c121SKalle Valo u32 changes) 2628e705c121SKalle Valo { 2629e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2630e705c121SKalle Valo 2631e705c121SKalle Valo /* Changes will be applied when the AP/IBSS is started */ 2632e705c121SKalle Valo if (!mvmvif->ap_ibss_active) 2633e705c121SKalle Valo return; 2634e705c121SKalle Valo 2635e705c121SKalle Valo if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 2636e705c121SKalle Valo BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 2637e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 2638e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2639e705c121SKalle Valo 2640e705c121SKalle Valo /* Need to send a new beacon template to the FW */ 2641e705c121SKalle Valo if (changes & BSS_CHANGED_BEACON && 2642e705c121SKalle Valo iwl_mvm_mac_ctxt_beacon_changed(mvm, vif)) 2643e705c121SKalle Valo IWL_WARN(mvm, "Failed updating beacon data\n"); 2644e705c121SKalle Valo 2645e705c121SKalle Valo if (changes & BSS_CHANGED_TXPOWER) { 2646e705c121SKalle Valo IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", 2647e705c121SKalle Valo bss_conf->txpower); 2648e705c121SKalle Valo iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 2649e705c121SKalle Valo } 2650e705c121SKalle Valo } 2651e705c121SKalle Valo 2652e705c121SKalle Valo static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 2653e705c121SKalle Valo struct ieee80211_vif *vif, 2654e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2655e705c121SKalle Valo u32 changes) 2656e705c121SKalle Valo { 2657e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2658e705c121SKalle Valo 2659e705c121SKalle Valo /* 2660e705c121SKalle Valo * iwl_mvm_bss_info_changed_station() might call 2661e705c121SKalle Valo * iwl_mvm_protect_session(), which reads directly from 2662e705c121SKalle Valo * the device (the system time), so make sure it is available. 2663e705c121SKalle Valo */ 2664e705c121SKalle Valo if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED)) 2665e705c121SKalle Valo return; 2666e705c121SKalle Valo 2667e705c121SKalle Valo mutex_lock(&mvm->mutex); 2668e705c121SKalle Valo 2669e705c121SKalle Valo if (changes & BSS_CHANGED_IDLE && !bss_conf->idle) 2670e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 2671e705c121SKalle Valo 2672e705c121SKalle Valo switch (vif->type) { 2673e705c121SKalle Valo case NL80211_IFTYPE_STATION: 2674e705c121SKalle Valo iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); 2675e705c121SKalle Valo break; 2676e705c121SKalle Valo case NL80211_IFTYPE_AP: 2677e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 2678e705c121SKalle Valo iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); 2679e705c121SKalle Valo break; 268091b08c2dSAviya Erenfeld case NL80211_IFTYPE_MONITOR: 268191b08c2dSAviya Erenfeld if (changes & BSS_CHANGED_MU_GROUPS) 268291b08c2dSAviya Erenfeld iwl_mvm_update_mu_groups(mvm, vif); 268391b08c2dSAviya Erenfeld break; 2684e705c121SKalle Valo default: 2685e705c121SKalle Valo /* shouldn't happen */ 2686e705c121SKalle Valo WARN_ON_ONCE(1); 2687e705c121SKalle Valo } 2688e705c121SKalle Valo 2689e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2690e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED); 2691e705c121SKalle Valo } 2692e705c121SKalle Valo 2693e705c121SKalle Valo static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, 2694e705c121SKalle Valo struct ieee80211_vif *vif, 2695e705c121SKalle Valo struct ieee80211_scan_request *hw_req) 2696e705c121SKalle Valo { 2697e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2698e705c121SKalle Valo int ret; 2699e705c121SKalle Valo 2700e705c121SKalle Valo if (hw_req->req.n_channels == 0 || 2701e705c121SKalle Valo hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 2702e705c121SKalle Valo return -EINVAL; 2703e705c121SKalle Valo 2704e705c121SKalle Valo mutex_lock(&mvm->mutex); 2705e705c121SKalle Valo ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 2706e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2707e705c121SKalle Valo 2708e705c121SKalle Valo return ret; 2709e705c121SKalle Valo } 2710e705c121SKalle Valo 2711e705c121SKalle Valo static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 2712e705c121SKalle Valo struct ieee80211_vif *vif) 2713e705c121SKalle Valo { 2714e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2715e705c121SKalle Valo 2716e705c121SKalle Valo mutex_lock(&mvm->mutex); 2717e705c121SKalle Valo 2718e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 2719e705c121SKalle Valo * us to stop a hw_scan when it's already stopped. This can 2720e705c121SKalle Valo * happen, for instance, if we stopped the scan ourselves, 2721e705c121SKalle Valo * called ieee80211_scan_completed() and the userspace called 2722e705c121SKalle Valo * cancel scan scan before ieee80211_scan_work() could run. 2723e705c121SKalle Valo * To handle that, simply return if the scan is not running. 2724e705c121SKalle Valo */ 2725e705c121SKalle Valo if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 2726e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 2727e705c121SKalle Valo 2728e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2729e705c121SKalle Valo } 2730e705c121SKalle Valo 2731e705c121SKalle Valo static void 2732e705c121SKalle Valo iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, 2733e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 2734e705c121SKalle Valo int num_frames, 2735e705c121SKalle Valo enum ieee80211_frame_release_type reason, 2736e705c121SKalle Valo bool more_data) 2737e705c121SKalle Valo { 2738e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2739e705c121SKalle Valo 2740e705c121SKalle Valo /* Called when we need to transmit (a) frame(s) from mac80211 */ 2741e705c121SKalle Valo 2742e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 2743e705c121SKalle Valo tids, more_data, false); 2744e705c121SKalle Valo } 2745e705c121SKalle Valo 2746e705c121SKalle Valo static void 2747e705c121SKalle Valo iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, 2748e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 2749e705c121SKalle Valo int num_frames, 2750e705c121SKalle Valo enum ieee80211_frame_release_type reason, 2751e705c121SKalle Valo bool more_data) 2752e705c121SKalle Valo { 2753e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2754e705c121SKalle Valo 27559a3fcf91SSara Sharon /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ 2756e705c121SKalle Valo 2757e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 2758e705c121SKalle Valo tids, more_data, true); 2759e705c121SKalle Valo } 2760e705c121SKalle Valo 276165e25482SJohannes Berg static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 2762e705c121SKalle Valo enum sta_notify_cmd cmd, 2763e705c121SKalle Valo struct ieee80211_sta *sta) 2764e705c121SKalle Valo { 2765e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2766e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 2767e705c121SKalle Valo unsigned long txqs = 0, tids = 0; 2768e705c121SKalle Valo int tid; 2769e705c121SKalle Valo 2770960f864bSJohannes Berg /* 2771960f864bSJohannes Berg * If we have TVQM then we get too high queue numbers - luckily 2772960f864bSJohannes Berg * we really shouldn't get here with that because such hardware 2773960f864bSJohannes Berg * should have firmware supporting buffer station offload. 2774960f864bSJohannes Berg */ 2775960f864bSJohannes Berg if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 2776960f864bSJohannes Berg return; 2777960f864bSJohannes Berg 2778e705c121SKalle Valo spin_lock_bh(&mvmsta->lock); 2779e705c121SKalle Valo for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 2780e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 2781e705c121SKalle Valo 27826862fceeSSara Sharon if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 27831c17627bSSara Sharon continue; 27841c17627bSSara Sharon 2785e705c121SKalle Valo __set_bit(tid_data->txq_id, &txqs); 2786e705c121SKalle Valo 2787dd32162dSLiad Kaufman if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 2788e705c121SKalle Valo continue; 2789e705c121SKalle Valo 2790e705c121SKalle Valo __set_bit(tid, &tids); 2791e705c121SKalle Valo } 2792e705c121SKalle Valo 2793e705c121SKalle Valo switch (cmd) { 2794e705c121SKalle Valo case STA_NOTIFY_SLEEP: 2795e705c121SKalle Valo for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 2796e705c121SKalle Valo ieee80211_sta_set_buffered(sta, tid, true); 2797e705c121SKalle Valo 2798e705c121SKalle Valo if (txqs) 2799e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 2800e705c121SKalle Valo /* 2801e705c121SKalle Valo * The fw updates the STA to be asleep. Tx packets on the Tx 2802e705c121SKalle Valo * queues to this station will not be transmitted. The fw will 2803e705c121SKalle Valo * send a Tx response with TX_STATUS_FAIL_DEST_PS. 2804e705c121SKalle Valo */ 2805e705c121SKalle Valo break; 2806e705c121SKalle Valo case STA_NOTIFY_AWAKE: 28070ae98812SSara Sharon if (WARN_ON(mvmsta->sta_id == IWL_MVM_INVALID_STA)) 2808e705c121SKalle Valo break; 2809e705c121SKalle Valo 2810e705c121SKalle Valo if (txqs) 2811e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 2812e705c121SKalle Valo iwl_mvm_sta_modify_ps_wake(mvm, sta); 2813e705c121SKalle Valo break; 2814e705c121SKalle Valo default: 2815e705c121SKalle Valo break; 2816e705c121SKalle Valo } 2817e705c121SKalle Valo spin_unlock_bh(&mvmsta->lock); 2818e705c121SKalle Valo } 2819e705c121SKalle Valo 282065e25482SJohannes Berg static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 282165e25482SJohannes Berg struct ieee80211_vif *vif, 282265e25482SJohannes Berg enum sta_notify_cmd cmd, 282365e25482SJohannes Berg struct ieee80211_sta *sta) 282465e25482SJohannes Berg { 282565e25482SJohannes Berg __iwl_mvm_mac_sta_notify(hw, cmd, sta); 282665e25482SJohannes Berg } 282765e25482SJohannes Berg 282865e25482SJohannes Berg void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 282965e25482SJohannes Berg { 283065e25482SJohannes Berg struct iwl_rx_packet *pkt = rxb_addr(rxb); 283165e25482SJohannes Berg struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 283265e25482SJohannes Berg struct ieee80211_sta *sta; 283365e25482SJohannes Berg struct iwl_mvm_sta *mvmsta; 283465e25482SJohannes Berg bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 283565e25482SJohannes Berg 283665e25482SJohannes Berg if (WARN_ON(notif->sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))) 283765e25482SJohannes Berg return; 283865e25482SJohannes Berg 283965e25482SJohannes Berg rcu_read_lock(); 2840a9560029SSara Sharon sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 284165e25482SJohannes Berg if (WARN_ON(IS_ERR_OR_NULL(sta))) { 284265e25482SJohannes Berg rcu_read_unlock(); 284365e25482SJohannes Berg return; 284465e25482SJohannes Berg } 284565e25482SJohannes Berg 284665e25482SJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 284765e25482SJohannes Berg 284865e25482SJohannes Berg if (!mvmsta->vif || 284965e25482SJohannes Berg mvmsta->vif->type != NL80211_IFTYPE_AP) { 285065e25482SJohannes Berg rcu_read_unlock(); 285165e25482SJohannes Berg return; 285265e25482SJohannes Berg } 285365e25482SJohannes Berg 285465e25482SJohannes Berg if (mvmsta->sleeping != sleeping) { 285565e25482SJohannes Berg mvmsta->sleeping = sleeping; 285665e25482SJohannes Berg __iwl_mvm_mac_sta_notify(mvm->hw, 285765e25482SJohannes Berg sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 285865e25482SJohannes Berg sta); 285965e25482SJohannes Berg ieee80211_sta_ps_transition(sta, sleeping); 286065e25482SJohannes Berg } 286165e25482SJohannes Berg 286265e25482SJohannes Berg if (sleeping) { 286365e25482SJohannes Berg switch (notif->type) { 286465e25482SJohannes Berg case IWL_MVM_PM_EVENT_AWAKE: 286565e25482SJohannes Berg case IWL_MVM_PM_EVENT_ASLEEP: 286665e25482SJohannes Berg break; 286765e25482SJohannes Berg case IWL_MVM_PM_EVENT_UAPSD: 286865e25482SJohannes Berg ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 286965e25482SJohannes Berg break; 287065e25482SJohannes Berg case IWL_MVM_PM_EVENT_PS_POLL: 287165e25482SJohannes Berg ieee80211_sta_pspoll(sta); 287265e25482SJohannes Berg break; 287365e25482SJohannes Berg default: 287465e25482SJohannes Berg break; 287565e25482SJohannes Berg } 287665e25482SJohannes Berg } 287765e25482SJohannes Berg 287865e25482SJohannes Berg rcu_read_unlock(); 287965e25482SJohannes Berg } 288065e25482SJohannes Berg 2881e705c121SKalle Valo static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 2882e705c121SKalle Valo struct ieee80211_vif *vif, 2883e705c121SKalle Valo struct ieee80211_sta *sta) 2884e705c121SKalle Valo { 2885e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2886e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 2887e705c121SKalle Valo 2888e705c121SKalle Valo /* 2889e705c121SKalle Valo * This is called before mac80211 does RCU synchronisation, 2890e705c121SKalle Valo * so here we already invalidate our internal RCU-protected 2891e705c121SKalle Valo * station pointer. The rest of the code will thus no longer 2892e705c121SKalle Valo * be able to find the station this way, and we don't rely 2893e705c121SKalle Valo * on further RCU synchronisation after the sta_state() 2894e705c121SKalle Valo * callback deleted the station. 2895e705c121SKalle Valo */ 2896e705c121SKalle Valo mutex_lock(&mvm->mutex); 2897e705c121SKalle Valo if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id])) 2898e705c121SKalle Valo rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], 2899e705c121SKalle Valo ERR_PTR(-ENOENT)); 2900e705c121SKalle Valo 2901e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2902e705c121SKalle Valo } 2903e705c121SKalle Valo 2904e705c121SKalle Valo static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2905e705c121SKalle Valo const u8 *bssid) 2906e705c121SKalle Valo { 2907b0ffe455SJohannes Berg int i; 2908b0ffe455SJohannes Berg 2909b0ffe455SJohannes Berg if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 2910b0ffe455SJohannes Berg struct iwl_mvm_tcm_mac *mdata; 2911b0ffe455SJohannes Berg 2912b0ffe455SJohannes Berg mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; 2913b0ffe455SJohannes Berg ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); 2914b0ffe455SJohannes Berg mdata->opened_rx_ba_sessions = false; 2915b0ffe455SJohannes Berg } 2916b0ffe455SJohannes Berg 2917e705c121SKalle Valo if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 2918e705c121SKalle Valo return; 2919e705c121SKalle Valo 2920c5241b0cSAvraham Stern if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 2921cee5a882SAvri Altman vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 2922cee5a882SAvri Altman return; 2923cee5a882SAvri Altman } 2924cee5a882SAvri Altman 292511dee0b4SEmmanuel Grumbach if (!vif->p2p && 292611dee0b4SEmmanuel Grumbach (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 2927e705c121SKalle Valo vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 2928e705c121SKalle Valo return; 2929e705c121SKalle Valo } 2930e705c121SKalle Valo 2931b0ffe455SJohannes Berg for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { 2932b0ffe455SJohannes Berg if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { 2933b0ffe455SJohannes Berg vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 2934b0ffe455SJohannes Berg return; 2935b0ffe455SJohannes Berg } 2936b0ffe455SJohannes Berg } 2937b0ffe455SJohannes Berg 2938e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 2939e705c121SKalle Valo } 2940e705c121SKalle Valo 29411e8f1329SGolan Ben-Ami static void 29421e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 29431e8f1329SGolan Ben-Ami struct ieee80211_vif *vif, u8 *peer_addr, 29441e8f1329SGolan Ben-Ami enum nl80211_tdls_operation action) 29451e8f1329SGolan Ben-Ami { 29461e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tlv *trig; 29471e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tdls *tdls_trig; 29481e8f1329SGolan Ben-Ami 29496c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 29506c042d75SSara Sharon FW_DBG_TRIGGER_TDLS); 29516c042d75SSara Sharon if (!trig) 29521e8f1329SGolan Ben-Ami return; 29531e8f1329SGolan Ben-Ami 29541e8f1329SGolan Ben-Ami tdls_trig = (void *)trig->data; 29551e8f1329SGolan Ben-Ami 29561e8f1329SGolan Ben-Ami if (!(tdls_trig->action_bitmap & BIT(action))) 29571e8f1329SGolan Ben-Ami return; 29581e8f1329SGolan Ben-Ami 29591e8f1329SGolan Ben-Ami if (tdls_trig->peer_mode && 29601e8f1329SGolan Ben-Ami memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 29611e8f1329SGolan Ben-Ami return; 29621e8f1329SGolan Ben-Ami 29637174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 29641e8f1329SGolan Ben-Ami "TDLS event occurred, peer %pM, action %d", 29651e8f1329SGolan Ben-Ami peer_addr, action); 29661e8f1329SGolan Ben-Ami } 29671e8f1329SGolan Ben-Ami 2968e705c121SKalle Valo static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 2969e705c121SKalle Valo struct ieee80211_vif *vif, 2970e705c121SKalle Valo struct ieee80211_sta *sta, 2971e705c121SKalle Valo enum ieee80211_sta_state old_state, 2972e705c121SKalle Valo enum ieee80211_sta_state new_state) 2973e705c121SKalle Valo { 2974e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2975e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 29766ea29ce5SJohannes Berg struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 2977e705c121SKalle Valo int ret; 2978e705c121SKalle Valo 2979e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 2980e705c121SKalle Valo sta->addr, old_state, new_state); 2981e705c121SKalle Valo 2982e705c121SKalle Valo /* this would be a mac80211 bug ... but don't crash */ 2983e705c121SKalle Valo if (WARN_ON_ONCE(!mvmvif->phy_ctxt)) 2984e705c121SKalle Valo return -EINVAL; 2985e705c121SKalle Valo 298624afba76SLiad Kaufman /* 298724afba76SLiad Kaufman * If we are in a STA removal flow and in DQA mode: 298824afba76SLiad Kaufman * 298924afba76SLiad Kaufman * This is after the sync_rcu part, so the queues have already been 299024afba76SLiad Kaufman * flushed. No more TXs on their way in mac80211's path, and no more in 299124afba76SLiad Kaufman * the queues. 299224afba76SLiad Kaufman * Also, we won't be getting any new TX frames for this station. 299324afba76SLiad Kaufman * What we might have are deferred TX frames that need to be taken care 299424afba76SLiad Kaufman * of. 299524afba76SLiad Kaufman * 299624afba76SLiad Kaufman * Drop any still-queued deferred-frame before removing the STA, and 299724afba76SLiad Kaufman * make sure the worker is no longer handling frames for this STA. 299824afba76SLiad Kaufman */ 299924afba76SLiad Kaufman if (old_state == IEEE80211_STA_NONE && 3000c8f54701SJohannes Berg new_state == IEEE80211_STA_NOTEXIST) { 300124afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 300224afba76SLiad Kaufman 300324afba76SLiad Kaufman /* 300424afba76SLiad Kaufman * No need to make sure deferred TX indication is off since the 300524afba76SLiad Kaufman * worker will already remove it if it was on 300624afba76SLiad Kaufman */ 300724afba76SLiad Kaufman } 300824afba76SLiad Kaufman 3009e705c121SKalle Valo mutex_lock(&mvm->mutex); 30106ea29ce5SJohannes Berg /* track whether or not the station is associated */ 3011d94c5a82SGregory Greenman mvm_sta->sta_state = new_state; 30126ea29ce5SJohannes Berg 3013e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 3014e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 3015e705c121SKalle Valo /* 3016e705c121SKalle Valo * Firmware bug - it'll crash if the beacon interval is less 3017e705c121SKalle Valo * than 16. We can't avoid connecting at all, so refuse the 3018e705c121SKalle Valo * station state change, this will cause mac80211 to abandon 3019e705c121SKalle Valo * attempts to connect to this AP, and eventually wpa_s will 3020e705c121SKalle Valo * blacklist the AP... 3021e705c121SKalle Valo */ 3022e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && 3023e705c121SKalle Valo vif->bss_conf.beacon_int < 16) { 3024e705c121SKalle Valo IWL_ERR(mvm, 3025e705c121SKalle Valo "AP %pM beacon interval is %d, refusing due to firmware bug!\n", 3026e705c121SKalle Valo sta->addr, vif->bss_conf.beacon_int); 3027e705c121SKalle Valo ret = -EINVAL; 3028e705c121SKalle Valo goto out_unlock; 3029e705c121SKalle Valo } 3030e705c121SKalle Valo 3031e705c121SKalle Valo if (sta->tdls && 3032e705c121SKalle Valo (vif->p2p || 3033e705c121SKalle Valo iwl_mvm_tdls_sta_count(mvm, NULL) == 3034e705c121SKalle Valo IWL_MVM_TDLS_STA_COUNT || 3035e705c121SKalle Valo iwl_mvm_phy_ctx_count(mvm) > 1)) { 3036e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 3037e705c121SKalle Valo ret = -EBUSY; 3038e705c121SKalle Valo goto out_unlock; 3039e705c121SKalle Valo } 3040e705c121SKalle Valo 3041e705c121SKalle Valo ret = iwl_mvm_add_sta(mvm, vif, sta); 30421e8f1329SGolan Ben-Ami if (sta->tdls && ret == 0) { 3043e705c121SKalle Valo iwl_mvm_recalc_tdls_state(mvm, vif, true); 30441e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 30451e8f1329SGolan Ben-Ami NL80211_TDLS_SETUP); 30461e8f1329SGolan Ben-Ami } 3047438af969SSara Sharon 3048438af969SSara Sharon sta->max_rc_amsdu_len = 1; 3049e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 3050e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 3051e705c121SKalle Valo /* 3052e705c121SKalle Valo * EBS may be disabled due to previous failures reported by FW. 3053e705c121SKalle Valo * Reset EBS status here assuming environment has been changed. 3054e705c121SKalle Valo */ 3055e705c121SKalle Valo mvm->last_ebs_successful = true; 3056e705c121SKalle Valo iwl_mvm_check_uapsd(mvm, vif, sta->addr); 3057e705c121SKalle Valo ret = 0; 3058e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 3059e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 30608be30c13SAyala Beker if (vif->type == NL80211_IFTYPE_AP) { 30618be30c13SAyala Beker mvmvif->ap_assoc_sta_count++; 30628be30c13SAyala Beker iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 306302221a81SShaul Triebitz if (vif->bss_conf.he_support && 306402221a81SShaul Triebitz !iwlwifi_mod_params.disable_11ax) 306502221a81SShaul Triebitz iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->sta_id); 30668be30c13SAyala Beker } 3067735a0045SGoodstein, Mordechay 30683baf7528SAvraham Stern iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 30693baf7528SAvraham Stern false); 3070735a0045SGoodstein, Mordechay ret = iwl_mvm_update_sta(mvm, vif, sta); 3071e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 3072e705c121SKalle Valo new_state == IEEE80211_STA_AUTHORIZED) { 3073e705c121SKalle Valo 3074e705c121SKalle Valo /* we don't support TDLS during DCM */ 3075e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 3076e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 3077e705c121SKalle Valo 30781e8f1329SGolan Ben-Ami if (sta->tdls) 30791e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 30801e8f1329SGolan Ben-Ami NL80211_TDLS_ENABLE_LINK); 30811e8f1329SGolan Ben-Ami 3082e705c121SKalle Valo /* enable beacon filtering */ 3083e705c121SKalle Valo WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 30846b7a5aeaSNaftali Goldstein 30853baf7528SAvraham Stern iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 30863baf7528SAvraham Stern true); 30876b7a5aeaSNaftali Goldstein 3088337bfc98SAvraham Stern /* if wep is used, need to set the key for the station now */ 3089337bfc98SAvraham Stern if (vif->type == NL80211_IFTYPE_AP && mvmvif->ap_wep_key) 3090337bfc98SAvraham Stern ret = iwl_mvm_set_sta_key(mvm, vif, sta, 3091337bfc98SAvraham Stern mvmvif->ap_wep_key, 3092337bfc98SAvraham Stern STA_KEY_IDX_INVALID); 3093337bfc98SAvraham Stern else 3094e705c121SKalle Valo ret = 0; 3095e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTHORIZED && 3096e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 3097e705c121SKalle Valo /* disable beacon filtering */ 3098e705c121SKalle Valo WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif, 0)); 3099e705c121SKalle Valo ret = 0; 3100e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 3101e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 31028be30c13SAyala Beker if (vif->type == NL80211_IFTYPE_AP) { 31038be30c13SAyala Beker mvmvif->ap_assoc_sta_count--; 31048be30c13SAyala Beker iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 31058be30c13SAyala Beker } 3106e705c121SKalle Valo ret = 0; 3107e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 3108e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 3109e705c121SKalle Valo ret = 0; 3110e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 3111e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) { 3112e705c121SKalle Valo ret = iwl_mvm_rm_sta(mvm, vif, sta); 31131e8f1329SGolan Ben-Ami if (sta->tdls) { 3114e705c121SKalle Valo iwl_mvm_recalc_tdls_state(mvm, vif, false); 31151e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 31161e8f1329SGolan Ben-Ami NL80211_TDLS_DISABLE_LINK); 31171e8f1329SGolan Ben-Ami } 311834a880d8SLiad Kaufman 311934a880d8SLiad Kaufman /* Remove STA key if this is an AP using WEP */ 312034a880d8SLiad Kaufman if (vif->type == NL80211_IFTYPE_AP && mvmvif->ap_wep_key) { 312134a880d8SLiad Kaufman int rm_ret = iwl_mvm_remove_sta_key(mvm, vif, sta, 312234a880d8SLiad Kaufman mvmvif->ap_wep_key); 312334a880d8SLiad Kaufman 312434a880d8SLiad Kaufman if (!ret) 312534a880d8SLiad Kaufman ret = rm_ret; 312634a880d8SLiad Kaufman } 312734a880d8SLiad Kaufman 3128e705c121SKalle Valo } else { 3129e705c121SKalle Valo ret = -EIO; 3130e705c121SKalle Valo } 3131e705c121SKalle Valo out_unlock: 3132e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3133e705c121SKalle Valo 3134e705c121SKalle Valo if (sta->tdls && ret == 0) { 3135e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 3136e705c121SKalle Valo new_state == IEEE80211_STA_NONE) 3137e705c121SKalle Valo ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); 3138e705c121SKalle Valo else if (old_state == IEEE80211_STA_NONE && 3139e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) 3140e705c121SKalle Valo ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); 3141e705c121SKalle Valo } 3142e705c121SKalle Valo 3143e705c121SKalle Valo return ret; 3144e705c121SKalle Valo } 3145e705c121SKalle Valo 3146e705c121SKalle Valo static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 3147e705c121SKalle Valo { 3148e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3149e705c121SKalle Valo 3150e705c121SKalle Valo mvm->rts_threshold = value; 3151e705c121SKalle Valo 3152e705c121SKalle Valo return 0; 3153e705c121SKalle Valo } 3154e705c121SKalle Valo 3155e705c121SKalle Valo static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, 3156e705c121SKalle Valo struct ieee80211_vif *vif, 3157e705c121SKalle Valo struct ieee80211_sta *sta, u32 changed) 3158e705c121SKalle Valo { 3159e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3160e705c121SKalle Valo 3161e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && 3162e705c121SKalle Valo changed & IEEE80211_RC_NSS_CHANGED) 3163e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 3164e705c121SKalle Valo } 3165e705c121SKalle Valo 3166e705c121SKalle Valo static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 3167e705c121SKalle Valo struct ieee80211_vif *vif, u16 ac, 3168e705c121SKalle Valo const struct ieee80211_tx_queue_params *params) 3169e705c121SKalle Valo { 3170e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3171e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3172e705c121SKalle Valo 3173e705c121SKalle Valo mvmvif->queue_params[ac] = *params; 3174e705c121SKalle Valo 3175e705c121SKalle Valo /* 3176e705c121SKalle Valo * No need to update right away, we'll get BSS_CHANGED_QOS 3177e705c121SKalle Valo * The exception is P2P_DEVICE interface which needs immediate update. 3178e705c121SKalle Valo */ 3179e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 3180e705c121SKalle Valo int ret; 3181e705c121SKalle Valo 3182e705c121SKalle Valo mutex_lock(&mvm->mutex); 3183e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 3184e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3185e705c121SKalle Valo return ret; 3186e705c121SKalle Valo } 3187e705c121SKalle Valo return 0; 3188e705c121SKalle Valo } 3189e705c121SKalle Valo 3190e705c121SKalle Valo static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 3191d4e36e55SIlan Peer struct ieee80211_vif *vif, 3192d4e36e55SIlan Peer u16 req_duration) 3193e705c121SKalle Valo { 3194e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 31957c70fee5SSara Sharon u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 31967c70fee5SSara Sharon u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 3197e705c121SKalle Valo 3198e705c121SKalle Valo /* 3199e705c121SKalle Valo * iwl_mvm_protect_session() reads directly from the device 3200e705c121SKalle Valo * (the system time), so make sure it is available. 3201e705c121SKalle Valo */ 3202e705c121SKalle Valo if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX)) 3203e705c121SKalle Valo return; 3204e705c121SKalle Valo 3205d4e36e55SIlan Peer if (req_duration > duration) 3206d4e36e55SIlan Peer duration = req_duration; 3207d4e36e55SIlan Peer 3208e705c121SKalle Valo mutex_lock(&mvm->mutex); 3209e705c121SKalle Valo /* Try really hard to protect the session and hear a beacon */ 3210e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false); 3211e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3212e705c121SKalle Valo 3213e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX); 3214e705c121SKalle Valo } 3215e705c121SKalle Valo 3216e705c121SKalle Valo static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 3217e705c121SKalle Valo struct ieee80211_vif *vif, 3218e705c121SKalle Valo struct cfg80211_sched_scan_request *req, 3219e705c121SKalle Valo struct ieee80211_scan_ies *ies) 3220e705c121SKalle Valo { 3221e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3222e705c121SKalle Valo 3223e705c121SKalle Valo int ret; 3224e705c121SKalle Valo 3225e705c121SKalle Valo mutex_lock(&mvm->mutex); 3226e705c121SKalle Valo 3227e705c121SKalle Valo if (!vif->bss_conf.idle) { 3228e705c121SKalle Valo ret = -EBUSY; 3229e705c121SKalle Valo goto out; 3230e705c121SKalle Valo } 3231e705c121SKalle Valo 3232e705c121SKalle Valo ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 3233e705c121SKalle Valo 3234e705c121SKalle Valo out: 3235e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3236e705c121SKalle Valo return ret; 3237e705c121SKalle Valo } 3238e705c121SKalle Valo 3239e705c121SKalle Valo static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 3240e705c121SKalle Valo struct ieee80211_vif *vif) 3241e705c121SKalle Valo { 3242e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3243e705c121SKalle Valo int ret; 3244e705c121SKalle Valo 3245e705c121SKalle Valo mutex_lock(&mvm->mutex); 3246e705c121SKalle Valo 3247e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 3248e705c121SKalle Valo * us to stop a sched_scan when it's already stopped. This 3249e705c121SKalle Valo * can happen, for instance, if we stopped the scan ourselves, 3250e705c121SKalle Valo * called ieee80211_sched_scan_stopped() and the userspace called 3251e705c121SKalle Valo * stop sched scan scan before ieee80211_sched_scan_stopped_work() 3252e705c121SKalle Valo * could run. To handle this, simply return if the scan is 3253e705c121SKalle Valo * not running. 3254e705c121SKalle Valo */ 3255e705c121SKalle Valo if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 3256e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3257e705c121SKalle Valo return 0; 3258e705c121SKalle Valo } 3259e705c121SKalle Valo 3260e705c121SKalle Valo ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 3261e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3262e705c121SKalle Valo iwl_mvm_wait_for_async_handlers(mvm); 3263e705c121SKalle Valo 3264e705c121SKalle Valo return ret; 3265e705c121SKalle Valo } 3266e705c121SKalle Valo 3267e705c121SKalle Valo static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 3268e705c121SKalle Valo enum set_key_cmd cmd, 3269e705c121SKalle Valo struct ieee80211_vif *vif, 3270e705c121SKalle Valo struct ieee80211_sta *sta, 3271e705c121SKalle Valo struct ieee80211_key_conf *key) 3272e705c121SKalle Valo { 3273e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3274f5e28eacSJohannes Berg struct iwl_mvm_sta *mvmsta; 3275f5e28eacSJohannes Berg struct iwl_mvm_key_pn *ptk_pn; 3276f5e28eacSJohannes Berg int keyidx = key->keyidx; 3277e705c121SKalle Valo int ret; 32784615fd15SEmmanuel Grumbach u8 key_offset; 3279e705c121SKalle Valo 32803b37f4c9SJohannes Berg if (iwlwifi_mod_params.swcrypto) { 3281e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n"); 3282e705c121SKalle Valo return -EOPNOTSUPP; 3283e705c121SKalle Valo } 3284e705c121SKalle Valo 3285e705c121SKalle Valo switch (key->cipher) { 3286e705c121SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 32877f768ad5SDavid Spinadel if (!mvm->trans->cfg->gen2) { 3288e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 32891ad4f639SEliad Peller key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 32907f768ad5SDavid Spinadel } else if (vif->type == NL80211_IFTYPE_STATION) { 32917f768ad5SDavid Spinadel key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; 32927f768ad5SDavid Spinadel } else { 32937f768ad5SDavid Spinadel IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); 32947f768ad5SDavid Spinadel return -EOPNOTSUPP; 32957f768ad5SDavid Spinadel } 3296e705c121SKalle Valo break; 3297e705c121SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 32982a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP: 32992a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP_256: 330085aeb58cSDavid Spinadel if (!iwl_mvm_has_new_tx_api(mvm)) 3301e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 3302e705c121SKalle Valo break; 3303e705c121SKalle Valo case WLAN_CIPHER_SUITE_AES_CMAC: 33048e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_128: 33058e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_256: 3306e705c121SKalle Valo WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 3307e705c121SKalle Valo break; 3308e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 3309e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 3310337bfc98SAvraham Stern if (vif->type == NL80211_IFTYPE_AP) { 3311337bfc98SAvraham Stern struct iwl_mvm_vif *mvmvif = 3312337bfc98SAvraham Stern iwl_mvm_vif_from_mac80211(vif); 3313337bfc98SAvraham Stern 3314337bfc98SAvraham Stern mvmvif->ap_wep_key = kmemdup(key, 3315337bfc98SAvraham Stern sizeof(*key) + key->keylen, 3316337bfc98SAvraham Stern GFP_KERNEL); 3317337bfc98SAvraham Stern if (!mvmvif->ap_wep_key) 3318337bfc98SAvraham Stern return -ENOMEM; 3319337bfc98SAvraham Stern } 3320337bfc98SAvraham Stern 3321e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION) 3322e705c121SKalle Valo return 0; 3323e705c121SKalle Valo break; 3324e705c121SKalle Valo default: 3325e705c121SKalle Valo /* currently FW supports only one optional cipher scheme */ 3326e705c121SKalle Valo if (hw->n_cipher_schemes && 3327e705c121SKalle Valo hw->cipher_schemes->cipher == key->cipher) 3328e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 3329e705c121SKalle Valo else 3330e705c121SKalle Valo return -EOPNOTSUPP; 3331e705c121SKalle Valo } 3332e705c121SKalle Valo 3333e705c121SKalle Valo mutex_lock(&mvm->mutex); 3334e705c121SKalle Valo 3335e705c121SKalle Valo switch (cmd) { 3336e705c121SKalle Valo case SET_KEY: 3337e705c121SKalle Valo if ((vif->type == NL80211_IFTYPE_ADHOC || 3338e705c121SKalle Valo vif->type == NL80211_IFTYPE_AP) && !sta) { 3339e705c121SKalle Valo /* 3340e705c121SKalle Valo * GTK on AP interface is a TX-only key, return 0; 3341e705c121SKalle Valo * on IBSS they're per-station and because we're lazy 3342e705c121SKalle Valo * we don't support them for RX, so do the same. 33438e160ab8SAyala Beker * CMAC/GMAC in AP/IBSS modes must be done in software. 3344e705c121SKalle Valo */ 33458e160ab8SAyala Beker if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 33468e160ab8SAyala Beker key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 33478e160ab8SAyala Beker key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256) 334881279c49SJohannes Berg ret = -EOPNOTSUPP; 334981279c49SJohannes Berg else 3350e705c121SKalle Valo ret = 0; 335185aeb58cSDavid Spinadel 335285aeb58cSDavid Spinadel if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 335385aeb58cSDavid Spinadel key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 335485aeb58cSDavid Spinadel !iwl_mvm_has_new_tx_api(mvm)) { 3355e705c121SKalle Valo key->hw_key_idx = STA_KEY_IDX_INVALID; 3356e705c121SKalle Valo break; 3357e705c121SKalle Valo } 335885aeb58cSDavid Spinadel } 3359e705c121SKalle Valo 3360e705c121SKalle Valo /* During FW restart, in order to restore the state as it was, 3361e705c121SKalle Valo * don't try to reprogram keys we previously failed for. 3362e705c121SKalle Valo */ 3363e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 3364e705c121SKalle Valo key->hw_key_idx == STA_KEY_IDX_INVALID) { 3365e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, 3366e705c121SKalle Valo "skip invalid idx key programming during restart\n"); 3367e705c121SKalle Valo ret = 0; 3368e705c121SKalle Valo break; 3369e705c121SKalle Valo } 3370e705c121SKalle Valo 3371f5e28eacSJohannes Berg if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 3372f5e28eacSJohannes Berg sta && iwl_mvm_has_new_rx_api(mvm) && 3373f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 3374f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 33752a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 33762a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 3377f5e28eacSJohannes Berg struct ieee80211_key_seq seq; 3378f5e28eacSJohannes Berg int tid, q; 3379f5e28eacSJohannes Berg 3380f5e28eacSJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 3381f5e28eacSJohannes Berg WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 3382acafe7e3SKees Cook ptk_pn = kzalloc(struct_size(ptk_pn, q, 3383acafe7e3SKees Cook mvm->trans->num_rx_queues), 3384f5e28eacSJohannes Berg GFP_KERNEL); 3385f5e28eacSJohannes Berg if (!ptk_pn) { 3386f5e28eacSJohannes Berg ret = -ENOMEM; 3387f5e28eacSJohannes Berg break; 3388f5e28eacSJohannes Berg } 3389f5e28eacSJohannes Berg 3390f5e28eacSJohannes Berg for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 3391f5e28eacSJohannes Berg ieee80211_get_key_rx_seq(key, tid, &seq); 3392f5e28eacSJohannes Berg for (q = 0; q < mvm->trans->num_rx_queues; q++) 3393f5e28eacSJohannes Berg memcpy(ptk_pn->q[q].pn[tid], 3394f5e28eacSJohannes Berg seq.ccmp.pn, 3395f5e28eacSJohannes Berg IEEE80211_CCMP_PN_LEN); 3396f5e28eacSJohannes Berg } 3397f5e28eacSJohannes Berg 3398f5e28eacSJohannes Berg rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 3399f5e28eacSJohannes Berg } 3400f5e28eacSJohannes Berg 34014615fd15SEmmanuel Grumbach /* in HW restart reuse the index, otherwise request a new one */ 34024615fd15SEmmanuel Grumbach if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 34034615fd15SEmmanuel Grumbach key_offset = key->hw_key_idx; 34044615fd15SEmmanuel Grumbach else 34054615fd15SEmmanuel Grumbach key_offset = STA_KEY_IDX_INVALID; 34064615fd15SEmmanuel Grumbach 3407e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n"); 34084615fd15SEmmanuel Grumbach ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 3409e705c121SKalle Valo if (ret) { 3410e705c121SKalle Valo IWL_WARN(mvm, "set key failed\n"); 3411e705c121SKalle Valo /* 3412e705c121SKalle Valo * can't add key for RX, but we don't need it 3413e705c121SKalle Valo * in the device for TX so still return 0 3414e705c121SKalle Valo */ 3415e705c121SKalle Valo key->hw_key_idx = STA_KEY_IDX_INVALID; 3416e705c121SKalle Valo ret = 0; 3417e705c121SKalle Valo } 3418e705c121SKalle Valo 3419e705c121SKalle Valo break; 3420e705c121SKalle Valo case DISABLE_KEY: 3421e705c121SKalle Valo if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 3422e705c121SKalle Valo ret = 0; 3423e705c121SKalle Valo break; 3424e705c121SKalle Valo } 3425e705c121SKalle Valo 3426f5e28eacSJohannes Berg if (sta && iwl_mvm_has_new_rx_api(mvm) && 3427f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 3428f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 34292a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 34302a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 3431f5e28eacSJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 3432f5e28eacSJohannes Berg ptk_pn = rcu_dereference_protected( 3433f5e28eacSJohannes Berg mvmsta->ptk_pn[keyidx], 3434f5e28eacSJohannes Berg lockdep_is_held(&mvm->mutex)); 3435f5e28eacSJohannes Berg RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 3436f5e28eacSJohannes Berg if (ptk_pn) 3437f5e28eacSJohannes Berg kfree_rcu(ptk_pn, rcu_head); 3438f5e28eacSJohannes Berg } 3439f5e28eacSJohannes Berg 3440e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 3441e705c121SKalle Valo ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 3442e705c121SKalle Valo break; 3443e705c121SKalle Valo default: 3444e705c121SKalle Valo ret = -EINVAL; 3445e705c121SKalle Valo } 3446e705c121SKalle Valo 3447e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3448e705c121SKalle Valo return ret; 3449e705c121SKalle Valo } 3450e705c121SKalle Valo 3451e705c121SKalle Valo static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 3452e705c121SKalle Valo struct ieee80211_vif *vif, 3453e705c121SKalle Valo struct ieee80211_key_conf *keyconf, 3454e705c121SKalle Valo struct ieee80211_sta *sta, 3455e705c121SKalle Valo u32 iv32, u16 *phase1key) 3456e705c121SKalle Valo { 3457e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3458e705c121SKalle Valo 3459e705c121SKalle Valo if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 3460e705c121SKalle Valo return; 3461e705c121SKalle Valo 3462e705c121SKalle Valo iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 3463e705c121SKalle Valo } 3464e705c121SKalle Valo 3465e705c121SKalle Valo 3466e705c121SKalle Valo static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 3467e705c121SKalle Valo struct iwl_rx_packet *pkt, void *data) 3468e705c121SKalle Valo { 3469e705c121SKalle Valo struct iwl_mvm *mvm = 3470e705c121SKalle Valo container_of(notif_wait, struct iwl_mvm, notif_wait); 3471e705c121SKalle Valo struct iwl_hs20_roc_res *resp; 3472e705c121SKalle Valo int resp_len = iwl_rx_packet_payload_len(pkt); 3473e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = data; 3474e705c121SKalle Valo 3475e705c121SKalle Valo if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 3476e705c121SKalle Valo return true; 3477e705c121SKalle Valo 3478e705c121SKalle Valo if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 3479e705c121SKalle Valo IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 3480e705c121SKalle Valo return true; 3481e705c121SKalle Valo } 3482e705c121SKalle Valo 3483e705c121SKalle Valo resp = (void *)pkt->data; 3484e705c121SKalle Valo 3485e705c121SKalle Valo IWL_DEBUG_TE(mvm, 3486b71a9c35SColin Ian King "Aux ROC: Received response from ucode: status=%d uid=%d\n", 3487e705c121SKalle Valo resp->status, resp->event_unique_id); 3488e705c121SKalle Valo 3489e705c121SKalle Valo te_data->uid = le32_to_cpu(resp->event_unique_id); 3490e705c121SKalle Valo IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 3491e705c121SKalle Valo te_data->uid); 3492e705c121SKalle Valo 3493e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3494e705c121SKalle Valo list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 3495e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3496e705c121SKalle Valo 3497e705c121SKalle Valo return true; 3498e705c121SKalle Valo } 3499e705c121SKalle Valo 3500dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100) 3501dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200) 3502dc28e12fSMatti Gottlieb #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600) 3503dc28e12fSMatti Gottlieb #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20) 3504dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10) 3505e705c121SKalle Valo static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 3506e705c121SKalle Valo struct ieee80211_channel *channel, 3507e705c121SKalle Valo struct ieee80211_vif *vif, 3508e705c121SKalle Valo int duration) 3509e705c121SKalle Valo { 3510e705c121SKalle Valo int res, time_reg = DEVICE_SYSTEM_TIME_REG; 3511e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3512e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 3513e705c121SKalle Valo static const u16 time_event_response[] = { HOT_SPOT_CMD }; 3514e705c121SKalle Valo struct iwl_notification_wait wait_time_event; 3515dc28e12fSMatti Gottlieb u32 dtim_interval = vif->bss_conf.dtim_period * 3516dc28e12fSMatti Gottlieb vif->bss_conf.beacon_int; 3517dc28e12fSMatti Gottlieb u32 req_dur, delay; 3518e705c121SKalle Valo struct iwl_hs20_roc_req aux_roc_req = { 3519e705c121SKalle Valo .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 3520e705c121SKalle Valo .id_and_color = 3521e705c121SKalle Valo cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 3522e705c121SKalle Valo .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 3523e705c121SKalle Valo /* Set the channel info data */ 352457fbcce3SJohannes Berg .channel_info.band = (channel->band == NL80211_BAND_2GHZ) ? 3525e705c121SKalle Valo PHY_BAND_24 : PHY_BAND_5, 3526e705c121SKalle Valo .channel_info.channel = channel->hw_value, 3527e705c121SKalle Valo .channel_info.width = PHY_VHT_CHANNEL_MODE20, 3528e705c121SKalle Valo /* Set the time and duration */ 3529e705c121SKalle Valo .apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)), 3530e705c121SKalle Valo }; 3531e705c121SKalle Valo 3532dc28e12fSMatti Gottlieb delay = AUX_ROC_MIN_DELAY; 3533dc28e12fSMatti Gottlieb req_dur = MSEC_TO_TU(duration); 3534dc28e12fSMatti Gottlieb 3535dc28e12fSMatti Gottlieb /* 3536dc28e12fSMatti Gottlieb * If we are associated we want the delay time to be at least one 3537dc28e12fSMatti Gottlieb * dtim interval so that the FW can wait until after the DTIM and 3538dc28e12fSMatti Gottlieb * then start the time event, this will potentially allow us to 3539dc28e12fSMatti Gottlieb * remain off-channel for the max duration. 3540dc28e12fSMatti Gottlieb * Since we want to use almost a whole dtim interval we would also 3541dc28e12fSMatti Gottlieb * like the delay to be for 2-3 dtim intervals, in case there are 3542dc28e12fSMatti Gottlieb * other time events with higher priority. 3543dc28e12fSMatti Gottlieb */ 3544dc28e12fSMatti Gottlieb if (vif->bss_conf.assoc) { 3545dc28e12fSMatti Gottlieb delay = min_t(u32, dtim_interval * 3, AUX_ROC_MAX_DELAY); 3546dc28e12fSMatti Gottlieb /* We cannot remain off-channel longer than the DTIM interval */ 3547dc28e12fSMatti Gottlieb if (dtim_interval <= req_dur) { 3548dc28e12fSMatti Gottlieb req_dur = dtim_interval - AUX_ROC_SAFETY_BUFFER; 3549dc28e12fSMatti Gottlieb if (req_dur <= AUX_ROC_MIN_DURATION) 3550dc28e12fSMatti Gottlieb req_dur = dtim_interval - 3551dc28e12fSMatti Gottlieb AUX_ROC_MIN_SAFETY_BUFFER; 3552dc28e12fSMatti Gottlieb } 3553dc28e12fSMatti Gottlieb } 3554dc28e12fSMatti Gottlieb 3555dc28e12fSMatti Gottlieb aux_roc_req.duration = cpu_to_le32(req_dur); 3556dc28e12fSMatti Gottlieb aux_roc_req.apply_time_max_delay = cpu_to_le32(delay); 3557dc28e12fSMatti Gottlieb 3558dc28e12fSMatti Gottlieb IWL_DEBUG_TE(mvm, 3559dc28e12fSMatti Gottlieb "ROC: Requesting to remain on channel %u for %ums (requested = %ums, max_delay = %ums, dtim_interval = %ums)\n", 3560dc28e12fSMatti Gottlieb channel->hw_value, req_dur, duration, delay, 3561dc28e12fSMatti Gottlieb dtim_interval); 3562e705c121SKalle Valo /* Set the node address */ 3563e705c121SKalle Valo memcpy(aux_roc_req.node_addr, vif->addr, ETH_ALEN); 3564e705c121SKalle Valo 3565e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3566e705c121SKalle Valo 3567e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3568e705c121SKalle Valo 3569e705c121SKalle Valo if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 3570e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3571e705c121SKalle Valo return -EIO; 3572e705c121SKalle Valo } 3573e705c121SKalle Valo 3574e705c121SKalle Valo te_data->vif = vif; 3575e705c121SKalle Valo te_data->duration = duration; 3576e705c121SKalle Valo te_data->id = HOT_SPOT_CMD; 3577e705c121SKalle Valo 3578e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3579e705c121SKalle Valo 3580e705c121SKalle Valo /* 3581e705c121SKalle Valo * Use a notification wait, which really just processes the 3582e705c121SKalle Valo * command response and doesn't wait for anything, in order 3583e705c121SKalle Valo * to be able to process the response and get the UID inside 3584e705c121SKalle Valo * the RX path. Using CMD_WANT_SKB doesn't work because it 3585e705c121SKalle Valo * stores the buffer and then wakes up this thread, by which 3586e705c121SKalle Valo * time another notification (that the time event started) 3587e705c121SKalle Valo * might already be processed unsuccessfully. 3588e705c121SKalle Valo */ 3589e705c121SKalle Valo iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 3590e705c121SKalle Valo time_event_response, 3591e705c121SKalle Valo ARRAY_SIZE(time_event_response), 3592e705c121SKalle Valo iwl_mvm_rx_aux_roc, te_data); 3593e705c121SKalle Valo 3594e705c121SKalle Valo res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, sizeof(aux_roc_req), 3595e705c121SKalle Valo &aux_roc_req); 3596e705c121SKalle Valo 3597e705c121SKalle Valo if (res) { 3598e705c121SKalle Valo IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 3599e705c121SKalle Valo iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 3600e705c121SKalle Valo goto out_clear_te; 3601e705c121SKalle Valo } 3602e705c121SKalle Valo 3603e705c121SKalle Valo /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 3604e705c121SKalle Valo res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 3605e705c121SKalle Valo /* should never fail */ 3606e705c121SKalle Valo WARN_ON_ONCE(res); 3607e705c121SKalle Valo 3608e705c121SKalle Valo if (res) { 3609e705c121SKalle Valo out_clear_te: 3610e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3611e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, te_data); 3612e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3613e705c121SKalle Valo } 3614e705c121SKalle Valo 3615e705c121SKalle Valo return res; 3616e705c121SKalle Valo } 3617e705c121SKalle Valo 3618e705c121SKalle Valo static int iwl_mvm_roc(struct ieee80211_hw *hw, 3619e705c121SKalle Valo struct ieee80211_vif *vif, 3620e705c121SKalle Valo struct ieee80211_channel *channel, 3621e705c121SKalle Valo int duration, 3622e705c121SKalle Valo enum ieee80211_roc_type type) 3623e705c121SKalle Valo { 3624e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3625e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3626e705c121SKalle Valo struct cfg80211_chan_def chandef; 3627e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 3628e705c121SKalle Valo int ret, i; 3629e705c121SKalle Valo 3630e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 3631e705c121SKalle Valo duration, type); 3632e705c121SKalle Valo 36339834781cSJohannes Berg /* 36349834781cSJohannes Berg * Flush the done work, just in case it's still pending, so that 36359834781cSJohannes Berg * the work it does can complete and we can accept new frames. 36369834781cSJohannes Berg */ 3637e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 3638e705c121SKalle Valo 3639e705c121SKalle Valo mutex_lock(&mvm->mutex); 3640e705c121SKalle Valo 3641e705c121SKalle Valo switch (vif->type) { 3642e705c121SKalle Valo case NL80211_IFTYPE_STATION: 3643e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 3644e705c121SKalle Valo IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 3645e705c121SKalle Valo /* Use aux roc framework (HS20) */ 3646e705c121SKalle Valo ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, 3647e705c121SKalle Valo vif, duration); 3648e705c121SKalle Valo goto out_unlock; 3649e705c121SKalle Valo } 3650e705c121SKalle Valo IWL_ERR(mvm, "hotspot not supported\n"); 3651e705c121SKalle Valo ret = -EINVAL; 3652e705c121SKalle Valo goto out_unlock; 3653e705c121SKalle Valo case NL80211_IFTYPE_P2P_DEVICE: 3654e705c121SKalle Valo /* handle below */ 3655e705c121SKalle Valo break; 3656e705c121SKalle Valo default: 3657e705c121SKalle Valo IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type); 3658e705c121SKalle Valo ret = -EINVAL; 3659e705c121SKalle Valo goto out_unlock; 3660e705c121SKalle Valo } 3661e705c121SKalle Valo 3662e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) { 3663e705c121SKalle Valo phy_ctxt = &mvm->phy_ctxts[i]; 3664e705c121SKalle Valo if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt) 3665e705c121SKalle Valo continue; 3666e705c121SKalle Valo 3667e705c121SKalle Valo if (phy_ctxt->ref && channel == phy_ctxt->channel) { 3668e705c121SKalle Valo /* 3669e705c121SKalle Valo * Unbind the P2P_DEVICE from the current PHY context, 3670e705c121SKalle Valo * and if the PHY context is not used remove it. 3671e705c121SKalle Valo */ 3672e705c121SKalle Valo ret = iwl_mvm_binding_remove_vif(mvm, vif); 3673e705c121SKalle Valo if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 3674e705c121SKalle Valo goto out_unlock; 3675e705c121SKalle Valo 3676e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 3677e705c121SKalle Valo 3678e705c121SKalle Valo /* Bind the P2P_DEVICE to the current PHY Context */ 3679e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 3680e705c121SKalle Valo 3681e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 3682e705c121SKalle Valo if (WARN(ret, "Failed binding P2P_DEVICE\n")) 3683e705c121SKalle Valo goto out_unlock; 3684e705c121SKalle Valo 3685e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 3686e705c121SKalle Valo goto schedule_time_event; 3687e705c121SKalle Valo } 3688e705c121SKalle Valo } 3689e705c121SKalle Valo 3690e705c121SKalle Valo /* Need to update the PHY context only if the ROC channel changed */ 3691e705c121SKalle Valo if (channel == mvmvif->phy_ctxt->channel) 3692e705c121SKalle Valo goto schedule_time_event; 3693e705c121SKalle Valo 3694e705c121SKalle Valo cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 3695e705c121SKalle Valo 3696e705c121SKalle Valo /* 3697e705c121SKalle Valo * Change the PHY context configuration as it is currently referenced 3698e705c121SKalle Valo * only by the P2P Device MAC 3699e705c121SKalle Valo */ 3700e705c121SKalle Valo if (mvmvif->phy_ctxt->ref == 1) { 3701e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt, 3702e705c121SKalle Valo &chandef, 1, 1); 3703e705c121SKalle Valo if (ret) 3704e705c121SKalle Valo goto out_unlock; 3705e705c121SKalle Valo } else { 3706e705c121SKalle Valo /* 3707e705c121SKalle Valo * The PHY context is shared with other MACs. Need to remove the 3708e705c121SKalle Valo * P2P Device from the binding, allocate an new PHY context and 3709e705c121SKalle Valo * create a new binding 3710e705c121SKalle Valo */ 3711e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 3712e705c121SKalle Valo if (!phy_ctxt) { 3713e705c121SKalle Valo ret = -ENOSPC; 3714e705c121SKalle Valo goto out_unlock; 3715e705c121SKalle Valo } 3716e705c121SKalle Valo 3717e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef, 3718e705c121SKalle Valo 1, 1); 3719e705c121SKalle Valo if (ret) { 3720e705c121SKalle Valo IWL_ERR(mvm, "Failed to change PHY context\n"); 3721e705c121SKalle Valo goto out_unlock; 3722e705c121SKalle Valo } 3723e705c121SKalle Valo 3724e705c121SKalle Valo /* Unbind the P2P_DEVICE from the current PHY context */ 3725e705c121SKalle Valo ret = iwl_mvm_binding_remove_vif(mvm, vif); 3726e705c121SKalle Valo if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 3727e705c121SKalle Valo goto out_unlock; 3728e705c121SKalle Valo 3729e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 3730e705c121SKalle Valo 3731e705c121SKalle Valo /* Bind the P2P_DEVICE to the new allocated PHY context */ 3732e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 3733e705c121SKalle Valo 3734e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 3735e705c121SKalle Valo if (WARN(ret, "Failed binding P2P_DEVICE\n")) 3736e705c121SKalle Valo goto out_unlock; 3737e705c121SKalle Valo 3738e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 3739e705c121SKalle Valo } 3740e705c121SKalle Valo 3741e705c121SKalle Valo schedule_time_event: 3742e705c121SKalle Valo /* Schedule the time events */ 3743e705c121SKalle Valo ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 3744e705c121SKalle Valo 3745e705c121SKalle Valo out_unlock: 3746e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3747e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 3748e705c121SKalle Valo return ret; 3749e705c121SKalle Valo } 3750e705c121SKalle Valo 3751e705c121SKalle Valo static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw) 3752e705c121SKalle Valo { 3753e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3754e705c121SKalle Valo 3755e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter\n"); 3756e705c121SKalle Valo 3757e705c121SKalle Valo mutex_lock(&mvm->mutex); 3758e705c121SKalle Valo iwl_mvm_stop_roc(mvm); 3759e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3760e705c121SKalle Valo 3761e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 3762e705c121SKalle Valo return 0; 3763e705c121SKalle Valo } 3764e705c121SKalle Valo 3765e705c121SKalle Valo static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 3766e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3767e705c121SKalle Valo { 3768e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 3769e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 3770e705c121SKalle Valo int ret; 3771e705c121SKalle Valo 3772e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3773e705c121SKalle Valo 3774e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 3775e705c121SKalle Valo 3776e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 3777e705c121SKalle Valo if (!phy_ctxt) { 3778e705c121SKalle Valo ret = -ENOSPC; 3779e705c121SKalle Valo goto out; 3780e705c121SKalle Valo } 3781e705c121SKalle Valo 3782e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def, 3783e705c121SKalle Valo ctx->rx_chains_static, 3784e705c121SKalle Valo ctx->rx_chains_dynamic); 3785e705c121SKalle Valo if (ret) { 3786e705c121SKalle Valo IWL_ERR(mvm, "Failed to add PHY context\n"); 3787e705c121SKalle Valo goto out; 3788e705c121SKalle Valo } 3789e705c121SKalle Valo 3790e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt); 3791e705c121SKalle Valo *phy_ctxt_id = phy_ctxt->id; 3792e705c121SKalle Valo out: 3793e705c121SKalle Valo return ret; 3794e705c121SKalle Valo } 3795e705c121SKalle Valo 3796e705c121SKalle Valo static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 3797e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3798e705c121SKalle Valo { 3799e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3800e705c121SKalle Valo int ret; 3801e705c121SKalle Valo 3802e705c121SKalle Valo mutex_lock(&mvm->mutex); 3803e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, ctx); 3804e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3805e705c121SKalle Valo 3806e705c121SKalle Valo return ret; 3807e705c121SKalle Valo } 3808e705c121SKalle Valo 3809e705c121SKalle Valo static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 3810e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3811e705c121SKalle Valo { 3812e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 3813e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 3814e705c121SKalle Valo 3815e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3816e705c121SKalle Valo 3817e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 3818e705c121SKalle Valo } 3819e705c121SKalle Valo 3820e705c121SKalle Valo static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 3821e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3822e705c121SKalle Valo { 3823e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3824e705c121SKalle Valo 3825e705c121SKalle Valo mutex_lock(&mvm->mutex); 3826e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, ctx); 3827e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3828e705c121SKalle Valo } 3829e705c121SKalle Valo 3830e705c121SKalle Valo static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 3831e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 3832e705c121SKalle Valo u32 changed) 3833e705c121SKalle Valo { 3834e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3835e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 3836e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 3837e705c121SKalle Valo 3838e705c121SKalle Valo if (WARN_ONCE((phy_ctxt->ref > 1) && 3839e705c121SKalle Valo (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 3840e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 3841e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RADAR | 3842e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), 3843e705c121SKalle Valo "Cannot change PHY. Ref=%d, changed=0x%X\n", 3844e705c121SKalle Valo phy_ctxt->ref, changed)) 3845e705c121SKalle Valo return; 3846e705c121SKalle Valo 3847e705c121SKalle Valo mutex_lock(&mvm->mutex); 38487a20bcceSEmmanuel Grumbach 38497a20bcceSEmmanuel Grumbach /* we are only changing the min_width, may be a noop */ 38507a20bcceSEmmanuel Grumbach if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) { 38517a20bcceSEmmanuel Grumbach if (phy_ctxt->width == ctx->min_def.width) 38527a20bcceSEmmanuel Grumbach goto out_unlock; 38537a20bcceSEmmanuel Grumbach 38547a20bcceSEmmanuel Grumbach /* we are just toggling between 20_NOHT and 20 */ 38557a20bcceSEmmanuel Grumbach if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && 38567a20bcceSEmmanuel Grumbach ctx->min_def.width <= NL80211_CHAN_WIDTH_20) 38577a20bcceSEmmanuel Grumbach goto out_unlock; 38587a20bcceSEmmanuel Grumbach } 38597a20bcceSEmmanuel Grumbach 3860e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 3861e705c121SKalle Valo iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def, 3862e705c121SKalle Valo ctx->rx_chains_static, 3863e705c121SKalle Valo ctx->rx_chains_dynamic); 38647a20bcceSEmmanuel Grumbach 38657a20bcceSEmmanuel Grumbach out_unlock: 3866e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3867e705c121SKalle Valo } 3868e705c121SKalle Valo 3869e705c121SKalle Valo static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 3870e705c121SKalle Valo struct ieee80211_vif *vif, 3871e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 3872e705c121SKalle Valo bool switching_chanctx) 3873e705c121SKalle Valo { 3874e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 3875e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 3876e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3877e705c121SKalle Valo int ret; 3878e705c121SKalle Valo 3879e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3880e705c121SKalle Valo 3881e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 3882e705c121SKalle Valo 3883e705c121SKalle Valo switch (vif->type) { 3884e705c121SKalle Valo case NL80211_IFTYPE_AP: 3885e705c121SKalle Valo /* only needed if we're switching chanctx (i.e. during CSA) */ 3886e705c121SKalle Valo if (switching_chanctx) { 3887e705c121SKalle Valo mvmvif->ap_ibss_active = true; 3888e705c121SKalle Valo break; 3889e705c121SKalle Valo } 3890e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 3891e705c121SKalle Valo /* 3892e705c121SKalle Valo * The AP binding flow is handled as part of the start_ap flow 3893e705c121SKalle Valo * (in bss_info_changed), similarly for IBSS. 3894e705c121SKalle Valo */ 3895e705c121SKalle Valo ret = 0; 3896e705c121SKalle Valo goto out; 3897e705c121SKalle Valo case NL80211_IFTYPE_STATION: 389819125cb0SAndrei Otcheretianski mvmvif->csa_bcn_pending = false; 3899e705c121SKalle Valo break; 3900e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 3901e705c121SKalle Valo /* always disable PS when a monitor interface is active */ 3902e705c121SKalle Valo mvmvif->ps_disabled = true; 3903e705c121SKalle Valo break; 3904e705c121SKalle Valo default: 3905e705c121SKalle Valo ret = -EINVAL; 3906e705c121SKalle Valo goto out; 3907e705c121SKalle Valo } 3908e705c121SKalle Valo 3909e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 3910e705c121SKalle Valo if (ret) 3911e705c121SKalle Valo goto out; 3912e705c121SKalle Valo 3913e705c121SKalle Valo /* 3914e705c121SKalle Valo * Power state must be updated before quotas, 3915e705c121SKalle Valo * otherwise fw will complain. 3916e705c121SKalle Valo */ 3917e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 3918e705c121SKalle Valo 3919e705c121SKalle Valo /* Setting the quota at this stage is only required for monitor 3920e705c121SKalle Valo * interfaces. For the other types, the bss_info changed flow 3921e705c121SKalle Valo * will handle quota settings. 3922e705c121SKalle Valo */ 3923e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_MONITOR) { 3924e705c121SKalle Valo mvmvif->monitor_active = true; 3925e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 3926e705c121SKalle Valo if (ret) 3927e705c121SKalle Valo goto out_remove_binding; 39280e39eb03SChaya Rachel Ivgi 39290e39eb03SChaya Rachel Ivgi ret = iwl_mvm_add_snif_sta(mvm, vif); 39300e39eb03SChaya Rachel Ivgi if (ret) 39310e39eb03SChaya Rachel Ivgi goto out_remove_binding; 39320e39eb03SChaya Rachel Ivgi 3933e705c121SKalle Valo } 3934e705c121SKalle Valo 3935e705c121SKalle Valo /* Handle binding during CSA */ 3936e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) { 3937e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 3938e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 3939e705c121SKalle Valo } 3940e705c121SKalle Valo 3941e705c121SKalle Valo if (switching_chanctx && vif->type == NL80211_IFTYPE_STATION) { 394219125cb0SAndrei Otcheretianski u32 duration = 3 * vif->bss_conf.beacon_int; 3943e705c121SKalle Valo 3944e705c121SKalle Valo /* iwl_mvm_protect_session() reads directly from the 3945e705c121SKalle Valo * device (the system time), so make sure it is 3946e705c121SKalle Valo * available. 3947e705c121SKalle Valo */ 3948e705c121SKalle Valo ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_CSA); 3949e705c121SKalle Valo if (ret) 3950e705c121SKalle Valo goto out_remove_binding; 3951e705c121SKalle Valo 3952e705c121SKalle Valo /* Protect the session to make sure we hear the first 3953e705c121SKalle Valo * beacon on the new channel. 3954e705c121SKalle Valo */ 395519125cb0SAndrei Otcheretianski mvmvif->csa_bcn_pending = true; 3956e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, duration, duration, 3957e705c121SKalle Valo vif->bss_conf.beacon_int / 2, 3958e705c121SKalle Valo true); 3959e705c121SKalle Valo 3960e705c121SKalle Valo iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_CSA); 3961e705c121SKalle Valo 3962e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 3963e705c121SKalle Valo } 3964e705c121SKalle Valo 3965e705c121SKalle Valo goto out; 3966e705c121SKalle Valo 3967e705c121SKalle Valo out_remove_binding: 3968e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 3969e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 3970e705c121SKalle Valo out: 3971e705c121SKalle Valo if (ret) 3972e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 3973e705c121SKalle Valo return ret; 3974e705c121SKalle Valo } 3975e705c121SKalle Valo static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 3976e705c121SKalle Valo struct ieee80211_vif *vif, 3977e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3978e705c121SKalle Valo { 3979e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3980e705c121SKalle Valo int ret; 3981e705c121SKalle Valo 3982e705c121SKalle Valo mutex_lock(&mvm->mutex); 3983e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false); 3984e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3985e705c121SKalle Valo 3986e705c121SKalle Valo return ret; 3987e705c121SKalle Valo } 3988e705c121SKalle Valo 3989e705c121SKalle Valo static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 3990e705c121SKalle Valo struct ieee80211_vif *vif, 3991e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 3992e705c121SKalle Valo bool switching_chanctx) 3993e705c121SKalle Valo { 3994e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3995e705c121SKalle Valo struct ieee80211_vif *disabled_vif = NULL; 3996e705c121SKalle Valo 3997e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3998e705c121SKalle Valo 3999e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data); 4000e705c121SKalle Valo 4001e705c121SKalle Valo switch (vif->type) { 4002e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 4003e705c121SKalle Valo goto out; 4004e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 4005e705c121SKalle Valo mvmvif->monitor_active = false; 4006e705c121SKalle Valo mvmvif->ps_disabled = false; 40070e39eb03SChaya Rachel Ivgi iwl_mvm_rm_snif_sta(mvm, vif); 4008e705c121SKalle Valo break; 4009e705c121SKalle Valo case NL80211_IFTYPE_AP: 4010e705c121SKalle Valo /* This part is triggered only during CSA */ 4011e705c121SKalle Valo if (!switching_chanctx || !mvmvif->ap_ibss_active) 4012e705c121SKalle Valo goto out; 4013e705c121SKalle Valo 4014e705c121SKalle Valo mvmvif->csa_countdown = false; 4015e705c121SKalle Valo 4016e705c121SKalle Valo /* Set CS bit on all the stations */ 4017e705c121SKalle Valo iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 4018e705c121SKalle Valo 4019e705c121SKalle Valo /* Save blocked iface, the timeout is set on the next beacon */ 4020e705c121SKalle Valo rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 4021e705c121SKalle Valo 4022e705c121SKalle Valo mvmvif->ap_ibss_active = false; 4023e705c121SKalle Valo break; 4024e705c121SKalle Valo case NL80211_IFTYPE_STATION: 4025e705c121SKalle Valo if (!switching_chanctx) 4026e705c121SKalle Valo break; 4027e705c121SKalle Valo 4028e705c121SKalle Valo disabled_vif = vif; 4029e705c121SKalle Valo 4030e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 4031e705c121SKalle Valo break; 4032e705c121SKalle Valo default: 4033e705c121SKalle Valo break; 4034e705c121SKalle Valo } 4035e705c121SKalle Valo 4036e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, disabled_vif); 4037e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 4038e705c121SKalle Valo 4039e705c121SKalle Valo out: 4040e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 4041e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4042e705c121SKalle Valo } 4043e705c121SKalle Valo 4044e705c121SKalle Valo static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 4045e705c121SKalle Valo struct ieee80211_vif *vif, 4046e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4047e705c121SKalle Valo { 4048e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4049e705c121SKalle Valo 4050e705c121SKalle Valo mutex_lock(&mvm->mutex); 4051e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false); 4052e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4053e705c121SKalle Valo } 4054e705c121SKalle Valo 4055e705c121SKalle Valo static int 4056e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 4057e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs) 4058e705c121SKalle Valo { 4059e705c121SKalle Valo int ret; 4060e705c121SKalle Valo 4061e705c121SKalle Valo mutex_lock(&mvm->mutex); 4062e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); 4063e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 4064e705c121SKalle Valo 4065e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 4066e705c121SKalle Valo if (ret) { 4067e705c121SKalle Valo IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 4068e705c121SKalle Valo goto out_reassign; 4069e705c121SKalle Valo } 4070e705c121SKalle Valo 4071e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, 4072e705c121SKalle Valo true); 4073e705c121SKalle Valo if (ret) { 4074e705c121SKalle Valo IWL_ERR(mvm, 4075e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 4076e705c121SKalle Valo goto out_remove; 4077e705c121SKalle Valo } 4078e705c121SKalle Valo 4079e705c121SKalle Valo /* we don't support TDLS during DCM - can be caused by channel switch */ 4080e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 4081e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 4082e705c121SKalle Valo 4083e705c121SKalle Valo goto out; 4084e705c121SKalle Valo 4085e705c121SKalle Valo out_remove: 4086e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 4087e705c121SKalle Valo 4088e705c121SKalle Valo out_reassign: 4089e705c121SKalle Valo if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 4090e705c121SKalle Valo IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 4091e705c121SKalle Valo goto out_restart; 4092e705c121SKalle Valo } 4093e705c121SKalle Valo 4094e705c121SKalle Valo if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, 4095e705c121SKalle Valo true)) { 4096e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 4097e705c121SKalle Valo goto out_restart; 4098e705c121SKalle Valo } 4099e705c121SKalle Valo 4100e705c121SKalle Valo goto out; 4101e705c121SKalle Valo 4102e705c121SKalle Valo out_restart: 4103e705c121SKalle Valo /* things keep failing, better restart the hw */ 4104e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 4105e705c121SKalle Valo 4106e705c121SKalle Valo out: 4107e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4108e705c121SKalle Valo 4109e705c121SKalle Valo return ret; 4110e705c121SKalle Valo } 4111e705c121SKalle Valo 4112e705c121SKalle Valo static int 4113e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 4114e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs) 4115e705c121SKalle Valo { 4116e705c121SKalle Valo int ret; 4117e705c121SKalle Valo 4118e705c121SKalle Valo mutex_lock(&mvm->mutex); 4119e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); 4120e705c121SKalle Valo 4121e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, 4122e705c121SKalle Valo true); 4123e705c121SKalle Valo if (ret) { 4124e705c121SKalle Valo IWL_ERR(mvm, 4125e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 4126e705c121SKalle Valo goto out_reassign; 4127e705c121SKalle Valo } 4128e705c121SKalle Valo 4129e705c121SKalle Valo goto out; 4130e705c121SKalle Valo 4131e705c121SKalle Valo out_reassign: 4132e705c121SKalle Valo if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, 4133e705c121SKalle Valo true)) { 4134e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 4135e705c121SKalle Valo goto out_restart; 4136e705c121SKalle Valo } 4137e705c121SKalle Valo 4138e705c121SKalle Valo goto out; 4139e705c121SKalle Valo 4140e705c121SKalle Valo out_restart: 4141e705c121SKalle Valo /* things keep failing, better restart the hw */ 4142e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 4143e705c121SKalle Valo 4144e705c121SKalle Valo out: 4145e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4146e705c121SKalle Valo 4147e705c121SKalle Valo return ret; 4148e705c121SKalle Valo } 4149e705c121SKalle Valo 4150e705c121SKalle Valo static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 4151e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs, 4152e705c121SKalle Valo int n_vifs, 4153e705c121SKalle Valo enum ieee80211_chanctx_switch_mode mode) 4154e705c121SKalle Valo { 4155e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4156e705c121SKalle Valo int ret; 4157e705c121SKalle Valo 4158e705c121SKalle Valo /* we only support a single-vif right now */ 4159e705c121SKalle Valo if (n_vifs > 1) 4160e705c121SKalle Valo return -EOPNOTSUPP; 4161e705c121SKalle Valo 4162e705c121SKalle Valo switch (mode) { 4163e705c121SKalle Valo case CHANCTX_SWMODE_SWAP_CONTEXTS: 4164e705c121SKalle Valo ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs); 4165e705c121SKalle Valo break; 4166e705c121SKalle Valo case CHANCTX_SWMODE_REASSIGN_VIF: 4167e705c121SKalle Valo ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs); 4168e705c121SKalle Valo break; 4169e705c121SKalle Valo default: 4170e705c121SKalle Valo ret = -EOPNOTSUPP; 4171e705c121SKalle Valo break; 4172e705c121SKalle Valo } 4173e705c121SKalle Valo 4174e705c121SKalle Valo return ret; 4175e705c121SKalle Valo } 4176e705c121SKalle Valo 41772f0282dbSJohannes Berg static int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 41782f0282dbSJohannes Berg { 41792f0282dbSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 41802f0282dbSJohannes Berg 41812f0282dbSJohannes Berg return mvm->ibss_manager; 41822f0282dbSJohannes Berg } 41832f0282dbSJohannes Berg 4184e705c121SKalle Valo static int iwl_mvm_set_tim(struct ieee80211_hw *hw, 4185e705c121SKalle Valo struct ieee80211_sta *sta, 4186e705c121SKalle Valo bool set) 4187e705c121SKalle Valo { 4188e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4189e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 4190e705c121SKalle Valo 4191e705c121SKalle Valo if (!mvm_sta || !mvm_sta->vif) { 4192e705c121SKalle Valo IWL_ERR(mvm, "Station is not associated to a vif\n"); 4193e705c121SKalle Valo return -EINVAL; 4194e705c121SKalle Valo } 4195e705c121SKalle Valo 4196e705c121SKalle Valo return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif); 4197e705c121SKalle Valo } 4198e705c121SKalle Valo 4199e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 4200e705c121SKalle Valo static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { 4201e705c121SKalle Valo [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, 4202e705c121SKalle Valo [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, 4203e705c121SKalle Valo [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, 4204e705c121SKalle Valo }; 4205e705c121SKalle Valo 4206e705c121SKalle Valo static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, 4207e705c121SKalle Valo struct ieee80211_vif *vif, 4208e705c121SKalle Valo void *data, int len) 4209e705c121SKalle Valo { 4210e705c121SKalle Valo struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; 4211e705c121SKalle Valo int err; 4212e705c121SKalle Valo u32 noa_duration; 4213e705c121SKalle Valo 4214fceb6435SJohannes Berg err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy, 4215fceb6435SJohannes Berg NULL); 4216e705c121SKalle Valo if (err) 4217e705c121SKalle Valo return err; 4218e705c121SKalle Valo 4219e705c121SKalle Valo if (!tb[IWL_MVM_TM_ATTR_CMD]) 4220e705c121SKalle Valo return -EINVAL; 4221e705c121SKalle Valo 4222e705c121SKalle Valo switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { 4223e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_NOA: 4224e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || 4225e705c121SKalle Valo !vif->bss_conf.enable_beacon || 4226e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) 4227e705c121SKalle Valo return -EINVAL; 4228e705c121SKalle Valo 4229e705c121SKalle Valo noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); 4230e705c121SKalle Valo if (noa_duration >= vif->bss_conf.beacon_int) 4231e705c121SKalle Valo return -EINVAL; 4232e705c121SKalle Valo 4233e705c121SKalle Valo mvm->noa_duration = noa_duration; 4234e705c121SKalle Valo mvm->noa_vif = vif; 4235e705c121SKalle Valo 423622b21041SShaul Triebitz return iwl_mvm_update_quotas(mvm, true, NULL); 4237e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_BEACON_FILTER: 4238e705c121SKalle Valo /* must be associated client vif - ignore authorized */ 4239e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_STATION || 4240e705c121SKalle Valo !vif->bss_conf.assoc || !vif->bss_conf.dtim_period || 4241e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) 4242e705c121SKalle Valo return -EINVAL; 4243e705c121SKalle Valo 4244e705c121SKalle Valo if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) 4245e705c121SKalle Valo return iwl_mvm_enable_beacon_filter(mvm, vif, 0); 4246e705c121SKalle Valo return iwl_mvm_disable_beacon_filter(mvm, vif, 0); 4247e705c121SKalle Valo } 4248e705c121SKalle Valo 4249e705c121SKalle Valo return -EOPNOTSUPP; 4250e705c121SKalle Valo } 4251e705c121SKalle Valo 4252e705c121SKalle Valo static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, 4253e705c121SKalle Valo struct ieee80211_vif *vif, 4254e705c121SKalle Valo void *data, int len) 4255e705c121SKalle Valo { 4256e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4257e705c121SKalle Valo int err; 4258e705c121SKalle Valo 4259e705c121SKalle Valo mutex_lock(&mvm->mutex); 4260e705c121SKalle Valo err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); 4261e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4262e705c121SKalle Valo 4263e705c121SKalle Valo return err; 4264e705c121SKalle Valo } 4265e705c121SKalle Valo #endif 4266e705c121SKalle Valo 4267e705c121SKalle Valo static void iwl_mvm_channel_switch(struct ieee80211_hw *hw, 4268e705c121SKalle Valo struct ieee80211_vif *vif, 4269e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 4270e705c121SKalle Valo { 4271e705c121SKalle Valo /* By implementing this operation, we prevent mac80211 from 4272e705c121SKalle Valo * starting its own channel switch timer, so that we can call 4273e705c121SKalle Valo * ieee80211_chswitch_done() ourselves at the right time 4274e705c121SKalle Valo * (which is when the absence time event starts). 4275e705c121SKalle Valo */ 4276e705c121SKalle Valo 4277e705c121SKalle Valo IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 4278e705c121SKalle Valo "dummy channel switch op\n"); 4279e705c121SKalle Valo } 4280e705c121SKalle Valo 4281e705c121SKalle Valo static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, 4282e705c121SKalle Valo struct ieee80211_vif *vif, 4283e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 4284e705c121SKalle Valo { 4285e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4286e705c121SKalle Valo struct ieee80211_vif *csa_vif; 4287e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4288e705c121SKalle Valo u32 apply_time; 4289e705c121SKalle Valo int ret; 4290e705c121SKalle Valo 4291e705c121SKalle Valo mutex_lock(&mvm->mutex); 4292e705c121SKalle Valo 4293e705c121SKalle Valo mvmvif->csa_failed = false; 4294e705c121SKalle Valo 4295e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 4296e705c121SKalle Valo chsw->chandef.center_freq1); 4297e705c121SKalle Valo 42987174beb6SJohannes Berg iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 42997174beb6SJohannes Berg ieee80211_vif_to_wdev(vif), 43007174beb6SJohannes Berg FW_DBG_TRIGGER_CHANNEL_SWITCH); 4301e705c121SKalle Valo 4302e705c121SKalle Valo switch (vif->type) { 4303e705c121SKalle Valo case NL80211_IFTYPE_AP: 4304e705c121SKalle Valo csa_vif = 4305e705c121SKalle Valo rcu_dereference_protected(mvm->csa_vif, 4306e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 4307e705c121SKalle Valo if (WARN_ONCE(csa_vif && csa_vif->csa_active, 4308e705c121SKalle Valo "Another CSA is already in progress")) { 4309e705c121SKalle Valo ret = -EBUSY; 4310e705c121SKalle Valo goto out_unlock; 4311e705c121SKalle Valo } 4312e705c121SKalle Valo 4313d3a108a4SAndrei Otcheretianski /* we still didn't unblock tx. prevent new CS meanwhile */ 4314d3a108a4SAndrei Otcheretianski if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 4315d3a108a4SAndrei Otcheretianski lockdep_is_held(&mvm->mutex))) { 4316d3a108a4SAndrei Otcheretianski ret = -EBUSY; 4317d3a108a4SAndrei Otcheretianski goto out_unlock; 4318d3a108a4SAndrei Otcheretianski } 4319d3a108a4SAndrei Otcheretianski 4320e705c121SKalle Valo rcu_assign_pointer(mvm->csa_vif, vif); 4321e705c121SKalle Valo 4322e705c121SKalle Valo if (WARN_ONCE(mvmvif->csa_countdown, 4323e705c121SKalle Valo "Previous CSA countdown didn't complete")) { 4324e705c121SKalle Valo ret = -EBUSY; 4325e705c121SKalle Valo goto out_unlock; 4326e705c121SKalle Valo } 4327e705c121SKalle Valo 4328d3a108a4SAndrei Otcheretianski mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 4329d3a108a4SAndrei Otcheretianski 4330e705c121SKalle Valo break; 4331e705c121SKalle Valo case NL80211_IFTYPE_STATION: 4332e705c121SKalle Valo /* Schedule the time event to a bit before beacon 1, 4333e705c121SKalle Valo * to make sure we're in the new channel when the 4334f5d8f50fSIlan Peer * GO/AP arrives. In case count <= 1 immediately schedule the 4335f5d8f50fSIlan Peer * TE (this might result with some packet loss or connection 4336f5d8f50fSIlan Peer * loss). 4337e705c121SKalle Valo */ 4338f5d8f50fSIlan Peer if (chsw->count <= 1) 4339f5d8f50fSIlan Peer apply_time = 0; 4340f5d8f50fSIlan Peer else 4341e705c121SKalle Valo apply_time = chsw->device_timestamp + 4342e705c121SKalle Valo ((vif->bss_conf.beacon_int * (chsw->count - 1) - 4343e705c121SKalle Valo IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 4344e705c121SKalle Valo 4345e705c121SKalle Valo if (chsw->block_tx) 4346e705c121SKalle Valo iwl_mvm_csa_client_absent(mvm, vif); 4347e705c121SKalle Valo 4348e705c121SKalle Valo iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, 4349e705c121SKalle Valo apply_time); 4350e705c121SKalle Valo if (mvmvif->bf_data.bf_enabled) { 4351e705c121SKalle Valo ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 4352e705c121SKalle Valo if (ret) 4353e705c121SKalle Valo goto out_unlock; 4354e705c121SKalle Valo } 4355e705c121SKalle Valo 4356e705c121SKalle Valo break; 4357e705c121SKalle Valo default: 4358e705c121SKalle Valo break; 4359e705c121SKalle Valo } 4360e705c121SKalle Valo 4361e705c121SKalle Valo mvmvif->ps_disabled = true; 4362e705c121SKalle Valo 4363e705c121SKalle Valo ret = iwl_mvm_power_update_ps(mvm); 4364e705c121SKalle Valo if (ret) 4365e705c121SKalle Valo goto out_unlock; 4366e705c121SKalle Valo 4367e705c121SKalle Valo /* we won't be on this channel any longer */ 4368e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 4369e705c121SKalle Valo 4370e705c121SKalle Valo out_unlock: 4371e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4372e705c121SKalle Valo 4373e705c121SKalle Valo return ret; 4374e705c121SKalle Valo } 4375e705c121SKalle Valo 4376e705c121SKalle Valo static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 4377e705c121SKalle Valo struct ieee80211_vif *vif) 4378e705c121SKalle Valo { 4379e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4380e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4381e705c121SKalle Valo int ret; 4382e705c121SKalle Valo 4383e705c121SKalle Valo mutex_lock(&mvm->mutex); 4384e705c121SKalle Valo 4385e705c121SKalle Valo if (mvmvif->csa_failed) { 4386e705c121SKalle Valo mvmvif->csa_failed = false; 4387e705c121SKalle Valo ret = -EIO; 4388e705c121SKalle Valo goto out_unlock; 4389e705c121SKalle Valo } 4390e705c121SKalle Valo 4391e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION) { 4392e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 4393e705c121SKalle Valo 439419125cb0SAndrei Otcheretianski mvmvif->csa_bcn_pending = false; 4395e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_staid_protected(mvm, 4396e705c121SKalle Valo mvmvif->ap_sta_id); 4397e705c121SKalle Valo 4398e705c121SKalle Valo if (WARN_ON(!mvmsta)) { 4399e705c121SKalle Valo ret = -EIO; 4400e705c121SKalle Valo goto out_unlock; 4401e705c121SKalle Valo } 4402e705c121SKalle Valo 4403e705c121SKalle Valo iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 4404e705c121SKalle Valo 4405e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4406e705c121SKalle Valo 4407e705c121SKalle Valo ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 4408e705c121SKalle Valo if (ret) 4409e705c121SKalle Valo goto out_unlock; 4410e705c121SKalle Valo 4411e705c121SKalle Valo iwl_mvm_stop_session_protection(mvm, vif); 4412e705c121SKalle Valo } 4413e705c121SKalle Valo 4414e705c121SKalle Valo mvmvif->ps_disabled = false; 4415e705c121SKalle Valo 4416e705c121SKalle Valo ret = iwl_mvm_power_update_ps(mvm); 4417e705c121SKalle Valo 4418e705c121SKalle Valo out_unlock: 4419e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4420e705c121SKalle Valo 4421e705c121SKalle Valo return ret; 4422e705c121SKalle Valo } 4423e705c121SKalle Valo 44246110d9e5SDavid Spinadel static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) 44256110d9e5SDavid Spinadel { 4426435d0827SSara Sharon int i; 4427435d0827SSara Sharon 442806195639SSara Sharon if (!iwl_mvm_has_new_tx_api(mvm)) { 4429309c4848SLuca Coelho if (drop) { 4430309c4848SLuca Coelho mutex_lock(&mvm->mutex); 44316110d9e5SDavid Spinadel iwl_mvm_flush_tx_path(mvm, 4432435d0827SSara Sharon iwl_mvm_flushable_queues(mvm) & queues, 0); 4433309c4848SLuca Coelho mutex_unlock(&mvm->mutex); 4434309c4848SLuca Coelho } else { 4435435d0827SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, queues); 4436309c4848SLuca Coelho } 4437435d0827SSara Sharon return; 4438435d0827SSara Sharon } 44396110d9e5SDavid Spinadel 44406110d9e5SDavid Spinadel mutex_lock(&mvm->mutex); 44416110d9e5SDavid Spinadel for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) { 4442435d0827SSara Sharon struct ieee80211_sta *sta; 4443435d0827SSara Sharon 4444435d0827SSara Sharon sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 44456110d9e5SDavid Spinadel lockdep_is_held(&mvm->mutex)); 44466110d9e5SDavid Spinadel if (IS_ERR_OR_NULL(sta)) 44476110d9e5SDavid Spinadel continue; 44486110d9e5SDavid Spinadel 444906195639SSara Sharon if (drop) 445006195639SSara Sharon iwl_mvm_flush_sta_tids(mvm, i, 0xFF, 0); 445106195639SSara Sharon else 44526110d9e5SDavid Spinadel iwl_mvm_wait_sta_queues_empty(mvm, 44536110d9e5SDavid Spinadel iwl_mvm_sta_from_mac80211(sta)); 44546110d9e5SDavid Spinadel } 44556110d9e5SDavid Spinadel mutex_unlock(&mvm->mutex); 44566110d9e5SDavid Spinadel } 44576110d9e5SDavid Spinadel 4458e705c121SKalle Valo static void iwl_mvm_mac_flush(struct ieee80211_hw *hw, 4459e705c121SKalle Valo struct ieee80211_vif *vif, u32 queues, bool drop) 4460e705c121SKalle Valo { 4461e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4462e705c121SKalle Valo struct iwl_mvm_vif *mvmvif; 4463e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 4464e705c121SKalle Valo struct ieee80211_sta *sta; 4465e705c121SKalle Valo int i; 4466e705c121SKalle Valo u32 msk = 0; 4467e705c121SKalle Valo 44686110d9e5SDavid Spinadel if (!vif) { 44696110d9e5SDavid Spinadel iwl_mvm_flush_no_vif(mvm, queues, drop); 44706110d9e5SDavid Spinadel return; 44716110d9e5SDavid Spinadel } 44726110d9e5SDavid Spinadel 44736110d9e5SDavid Spinadel if (vif->type != NL80211_IFTYPE_STATION) 4474e705c121SKalle Valo return; 4475e705c121SKalle Valo 447624afba76SLiad Kaufman /* Make sure we're done with the deferred traffic before flushing */ 447724afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 447824afba76SLiad Kaufman 4479e705c121SKalle Valo mutex_lock(&mvm->mutex); 4480e705c121SKalle Valo mvmvif = iwl_mvm_vif_from_mac80211(vif); 4481e705c121SKalle Valo 4482e705c121SKalle Valo /* flush the AP-station and all TDLS peers */ 44830ae98812SSara Sharon for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) { 4484e705c121SKalle Valo sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 4485e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 4486e705c121SKalle Valo if (IS_ERR_OR_NULL(sta)) 4487e705c121SKalle Valo continue; 4488e705c121SKalle Valo 4489e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_mac80211(sta); 4490e705c121SKalle Valo if (mvmsta->vif != vif) 4491e705c121SKalle Valo continue; 4492e705c121SKalle Valo 4493e705c121SKalle Valo /* make sure only TDLS peers or the AP are flushed */ 4494e705c121SKalle Valo WARN_ON(i != mvmvif->ap_sta_id && !sta->tdls); 4495e705c121SKalle Valo 4496d49394a1SSara Sharon if (drop) { 4497d49394a1SSara Sharon if (iwl_mvm_flush_sta(mvm, mvmsta, false, 0)) 4498d49394a1SSara Sharon IWL_ERR(mvm, "flush request fail\n"); 4499d49394a1SSara Sharon } else { 4500e705c121SKalle Valo msk |= mvmsta->tfd_queue_msk; 4501d6d517b7SSara Sharon if (iwl_mvm_has_new_tx_api(mvm)) 4502d6d517b7SSara Sharon iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 4503e705c121SKalle Valo } 4504d49394a1SSara Sharon } 4505e705c121SKalle Valo 4506e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4507e705c121SKalle Valo 4508e705c121SKalle Valo /* this can take a while, and we may need/want other operations 4509e705c121SKalle Valo * to succeed while doing this, so do it without the mutex held 4510e705c121SKalle Valo */ 4511d6d517b7SSara Sharon if (!drop && !iwl_mvm_has_new_tx_api(mvm)) 4512a1a57877SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 4513e705c121SKalle Valo } 4514e705c121SKalle Valo 4515e705c121SKalle Valo static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 4516e705c121SKalle Valo struct survey_info *survey) 4517e705c121SKalle Valo { 4518e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4519e705c121SKalle Valo int ret; 4520e705c121SKalle Valo 4521e705c121SKalle Valo memset(survey, 0, sizeof(*survey)); 4522e705c121SKalle Valo 4523e705c121SKalle Valo /* only support global statistics right now */ 4524e705c121SKalle Valo if (idx != 0) 4525e705c121SKalle Valo return -ENOENT; 4526e705c121SKalle Valo 4527280a3efaSJohannes Berg if (!fw_has_capa(&mvm->fw->ucode_capa, 4528e705c121SKalle Valo IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 4529e705c121SKalle Valo return -ENOENT; 4530e705c121SKalle Valo 4531e705c121SKalle Valo mutex_lock(&mvm->mutex); 4532e705c121SKalle Valo 4533aab6930dSJohannes Berg if (iwl_mvm_firmware_running(mvm)) { 4534e705c121SKalle Valo ret = iwl_mvm_request_statistics(mvm, false); 4535e705c121SKalle Valo if (ret) 4536e705c121SKalle Valo goto out; 4537e705c121SKalle Valo } 4538e705c121SKalle Valo 4539e705c121SKalle Valo survey->filled = SURVEY_INFO_TIME | 4540e705c121SKalle Valo SURVEY_INFO_TIME_RX | 4541e705c121SKalle Valo SURVEY_INFO_TIME_TX | 4542e705c121SKalle Valo SURVEY_INFO_TIME_SCAN; 4543e705c121SKalle Valo survey->time = mvm->accu_radio_stats.on_time_rf + 4544e705c121SKalle Valo mvm->radio_stats.on_time_rf; 4545e705c121SKalle Valo do_div(survey->time, USEC_PER_MSEC); 4546e705c121SKalle Valo 4547e705c121SKalle Valo survey->time_rx = mvm->accu_radio_stats.rx_time + 4548e705c121SKalle Valo mvm->radio_stats.rx_time; 4549e705c121SKalle Valo do_div(survey->time_rx, USEC_PER_MSEC); 4550e705c121SKalle Valo 4551e705c121SKalle Valo survey->time_tx = mvm->accu_radio_stats.tx_time + 4552e705c121SKalle Valo mvm->radio_stats.tx_time; 4553e705c121SKalle Valo do_div(survey->time_tx, USEC_PER_MSEC); 4554e705c121SKalle Valo 4555e705c121SKalle Valo survey->time_scan = mvm->accu_radio_stats.on_time_scan + 4556e705c121SKalle Valo mvm->radio_stats.on_time_scan; 4557e705c121SKalle Valo do_div(survey->time_scan, USEC_PER_MSEC); 4558e705c121SKalle Valo 4559e705c121SKalle Valo ret = 0; 4560e705c121SKalle Valo out: 4561e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4562e705c121SKalle Valo return ret; 4563e705c121SKalle Valo } 4564e705c121SKalle Valo 4565e705c121SKalle Valo static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 4566e705c121SKalle Valo struct ieee80211_vif *vif, 4567e705c121SKalle Valo struct ieee80211_sta *sta, 4568e705c121SKalle Valo struct station_info *sinfo) 4569e705c121SKalle Valo { 4570e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4571e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4572e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 4573e705c121SKalle Valo 4574988b5968SSara Sharon if (mvmsta->avg_energy) { 4575988b5968SSara Sharon sinfo->signal_avg = mvmsta->avg_energy; 457622d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 4577988b5968SSara Sharon } 4578988b5968SSara Sharon 4579e705c121SKalle Valo /* if beacon filtering isn't on mac80211 does it anyway */ 4580e705c121SKalle Valo if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 4581e705c121SKalle Valo return; 4582e705c121SKalle Valo 4583e705c121SKalle Valo if (!vif->bss_conf.assoc) 4584e705c121SKalle Valo return; 4585e705c121SKalle Valo 4586e705c121SKalle Valo mutex_lock(&mvm->mutex); 4587e705c121SKalle Valo 4588e705c121SKalle Valo if (mvmvif->ap_sta_id != mvmsta->sta_id) 4589e705c121SKalle Valo goto unlock; 4590e705c121SKalle Valo 4591e705c121SKalle Valo if (iwl_mvm_request_statistics(mvm, false)) 4592e705c121SKalle Valo goto unlock; 4593e705c121SKalle Valo 4594e705c121SKalle Valo sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons + 4595e705c121SKalle Valo mvmvif->beacon_stats.accu_num_beacons; 459622d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); 4597e705c121SKalle Valo if (mvmvif->beacon_stats.avg_signal) { 4598e705c121SKalle Valo /* firmware only reports a value after RXing a few beacons */ 4599e705c121SKalle Valo sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal; 460022d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 4601e705c121SKalle Valo } 4602e705c121SKalle Valo unlock: 4603e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4604e705c121SKalle Valo } 4605e705c121SKalle Valo 4606e705c121SKalle Valo static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 4607e705c121SKalle Valo struct ieee80211_vif *vif, 4608e705c121SKalle Valo const struct ieee80211_event *event) 4609e705c121SKalle Valo { 46104c324a51SLuca Coelho #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 4611e705c121SKalle Valo do { \ 46124c324a51SLuca Coelho if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 4613e705c121SKalle Valo break; \ 46147174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 4615e705c121SKalle Valo } while (0) 4616e705c121SKalle Valo 4617e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 4618e705c121SKalle Valo struct iwl_fw_dbg_trigger_mlme *trig_mlme; 4619e705c121SKalle Valo 46206c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 46216c042d75SSara Sharon FW_DBG_TRIGGER_MLME); 46226c042d75SSara Sharon if (!trig) 4623e705c121SKalle Valo return; 4624e705c121SKalle Valo 4625e705c121SKalle Valo trig_mlme = (void *)trig->data; 4626e705c121SKalle Valo 4627e705c121SKalle Valo if (event->u.mlme.data == ASSOC_EVENT) { 4628e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 46294c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_denied, 4630e705c121SKalle Valo "DENIED ASSOC: reason %d", 4631e705c121SKalle Valo event->u.mlme.reason); 4632e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 46334c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_timeout, 4634e705c121SKalle Valo "ASSOC TIMEOUT"); 4635e705c121SKalle Valo } else if (event->u.mlme.data == AUTH_EVENT) { 4636e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 46374c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_denied, 4638e705c121SKalle Valo "DENIED AUTH: reason %d", 4639e705c121SKalle Valo event->u.mlme.reason); 4640e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 46414c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_timeout, 4642e705c121SKalle Valo "AUTH TIMEOUT"); 4643e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 46444c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_rx_deauth, 4645e705c121SKalle Valo "DEAUTH RX %d", event->u.mlme.reason); 4646e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 46474c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_tx_deauth, 4648e705c121SKalle Valo "DEAUTH TX %d", event->u.mlme.reason); 4649e705c121SKalle Valo } 4650e705c121SKalle Valo #undef CHECK_MLME_TRIGGER 4651e705c121SKalle Valo } 4652e705c121SKalle Valo 4653e705c121SKalle Valo static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 4654e705c121SKalle Valo struct ieee80211_vif *vif, 4655e705c121SKalle Valo const struct ieee80211_event *event) 4656e705c121SKalle Valo { 4657e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 4658e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 4659e705c121SKalle Valo 46606c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 46616c042d75SSara Sharon FW_DBG_TRIGGER_BA); 46626c042d75SSara Sharon if (!trig) 4663e705c121SKalle Valo return; 4664e705c121SKalle Valo 4665e705c121SKalle Valo ba_trig = (void *)trig->data; 4666e705c121SKalle Valo 4667e705c121SKalle Valo if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 4668e705c121SKalle Valo return; 4669e705c121SKalle Valo 46707174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 4671e705c121SKalle Valo "BAR received from %pM, tid %d, ssn %d", 4672e705c121SKalle Valo event->u.ba.sta->addr, event->u.ba.tid, 4673e705c121SKalle Valo event->u.ba.ssn); 4674e705c121SKalle Valo } 4675e705c121SKalle Valo 4676e705c121SKalle Valo static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 4677e705c121SKalle Valo struct ieee80211_vif *vif, 4678e705c121SKalle Valo const struct ieee80211_event *event) 4679e705c121SKalle Valo { 4680e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4681e705c121SKalle Valo 4682e705c121SKalle Valo switch (event->type) { 4683e705c121SKalle Valo case MLME_EVENT: 4684e705c121SKalle Valo iwl_mvm_event_mlme_callback(mvm, vif, event); 4685e705c121SKalle Valo break; 4686e705c121SKalle Valo case BAR_RX_EVENT: 4687e705c121SKalle Valo iwl_mvm_event_bar_rx_callback(mvm, vif, event); 4688e705c121SKalle Valo break; 4689e705c121SKalle Valo case BA_FRAME_TIMEOUT: 4690528a542aSEmmanuel Grumbach iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, 4691528a542aSEmmanuel Grumbach event->u.ba.tid); 4692e705c121SKalle Valo break; 4693e705c121SKalle Valo default: 4694e705c121SKalle Valo break; 4695e705c121SKalle Valo } 4696e705c121SKalle Valo } 4697e705c121SKalle Valo 4698d0ff5d22SSara Sharon void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 4699d0ff5d22SSara Sharon struct iwl_mvm_internal_rxq_notif *notif, 4700d0ff5d22SSara Sharon u32 size) 47010636b938SSara Sharon { 47020636b938SSara Sharon u32 qmask = BIT(mvm->trans->num_rx_queues) - 1; 47030636b938SSara Sharon int ret; 47040636b938SSara Sharon 47050636b938SSara Sharon lockdep_assert_held(&mvm->mutex); 47060636b938SSara Sharon 4707cb8550e1SSara Sharon if (!iwl_mvm_has_new_rx_api(mvm)) 47080636b938SSara Sharon return; 47090636b938SSara Sharon 4710d0ff5d22SSara Sharon notif->cookie = mvm->queue_sync_cookie; 47110636b938SSara Sharon 4712d0ff5d22SSara Sharon if (notif->sync) 4713d0ff5d22SSara Sharon atomic_set(&mvm->queue_sync_counter, 4714d0ff5d22SSara Sharon mvm->trans->num_rx_queues); 4715d0ff5d22SSara Sharon 4716d0ff5d22SSara Sharon ret = iwl_mvm_notify_rx_queue(mvm, qmask, (u8 *)notif, size); 47170636b938SSara Sharon if (ret) { 47180636b938SSara Sharon IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 47190636b938SSara Sharon goto out; 47200636b938SSara Sharon } 4721d0ff5d22SSara Sharon 47226ad04359SJohannes Berg if (notif->sync) { 47233a732c65SSara Sharon ret = wait_event_timeout(mvm->rx_sync_waitq, 47246ad04359SJohannes Berg atomic_read(&mvm->queue_sync_counter) == 0 || 47256ad04359SJohannes Berg iwl_mvm_is_radio_killed(mvm), 47260636b938SSara Sharon HZ); 47276ad04359SJohannes Berg WARN_ON_ONCE(!ret && !iwl_mvm_is_radio_killed(mvm)); 47286ad04359SJohannes Berg } 47290636b938SSara Sharon 47300636b938SSara Sharon out: 47310636b938SSara Sharon atomic_set(&mvm->queue_sync_counter, 0); 47320636b938SSara Sharon mvm->queue_sync_cookie++; 47330636b938SSara Sharon } 47340636b938SSara Sharon 47350636b938SSara Sharon static void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) 47360636b938SSara Sharon { 47370636b938SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4738d0ff5d22SSara Sharon struct iwl_mvm_internal_rxq_notif data = { 4739d0ff5d22SSara Sharon .type = IWL_MVM_RXQ_EMPTY, 4740d0ff5d22SSara Sharon .sync = 1, 4741d0ff5d22SSara Sharon }; 47420636b938SSara Sharon 47430636b938SSara Sharon mutex_lock(&mvm->mutex); 4744d0ff5d22SSara Sharon iwl_mvm_sync_rx_queues_internal(mvm, &data, sizeof(data)); 47450636b938SSara Sharon mutex_unlock(&mvm->mutex); 47460636b938SSara Sharon } 47470636b938SSara Sharon 4748438af969SSara Sharon static bool iwl_mvm_can_hw_csum(struct sk_buff *skb) 4749438af969SSara Sharon { 4750438af969SSara Sharon u8 protocol = ip_hdr(skb)->protocol; 4751438af969SSara Sharon 4752438af969SSara Sharon if (!IS_ENABLED(CONFIG_INET)) 4753438af969SSara Sharon return false; 4754438af969SSara Sharon 4755438af969SSara Sharon return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; 4756438af969SSara Sharon } 4757438af969SSara Sharon 4758438af969SSara Sharon static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw, 4759438af969SSara Sharon struct sk_buff *head, 4760438af969SSara Sharon struct sk_buff *skb) 4761438af969SSara Sharon { 4762438af969SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4763438af969SSara Sharon 4764438af969SSara Sharon /* For now don't aggregate IPv6 in AMSDU */ 4765438af969SSara Sharon if (skb->protocol != htons(ETH_P_IP)) 4766438af969SSara Sharon return false; 4767438af969SSara Sharon 4768438af969SSara Sharon if (!iwl_mvm_is_csum_supported(mvm)) 4769438af969SSara Sharon return true; 4770438af969SSara Sharon 4771438af969SSara Sharon return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); 4772438af969SSara Sharon } 4773438af969SSara Sharon 4774e705c121SKalle Valo const struct ieee80211_ops iwl_mvm_hw_ops = { 4775e705c121SKalle Valo .tx = iwl_mvm_mac_tx, 4776cfbc6c4cSSara Sharon .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, 4777e705c121SKalle Valo .ampdu_action = iwl_mvm_mac_ampdu_action, 4778e705c121SKalle Valo .start = iwl_mvm_mac_start, 4779e705c121SKalle Valo .reconfig_complete = iwl_mvm_mac_reconfig_complete, 4780e705c121SKalle Valo .stop = iwl_mvm_mac_stop, 4781e705c121SKalle Valo .add_interface = iwl_mvm_mac_add_interface, 4782e705c121SKalle Valo .remove_interface = iwl_mvm_mac_remove_interface, 4783e705c121SKalle Valo .config = iwl_mvm_mac_config, 4784e705c121SKalle Valo .prepare_multicast = iwl_mvm_prepare_multicast, 4785e705c121SKalle Valo .configure_filter = iwl_mvm_configure_filter, 4786e705c121SKalle Valo .config_iface_filter = iwl_mvm_config_iface_filter, 4787e705c121SKalle Valo .bss_info_changed = iwl_mvm_bss_info_changed, 4788e705c121SKalle Valo .hw_scan = iwl_mvm_mac_hw_scan, 4789e705c121SKalle Valo .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, 4790e705c121SKalle Valo .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, 4791e705c121SKalle Valo .sta_state = iwl_mvm_mac_sta_state, 4792e705c121SKalle Valo .sta_notify = iwl_mvm_mac_sta_notify, 4793e705c121SKalle Valo .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, 4794e705c121SKalle Valo .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, 4795e705c121SKalle Valo .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, 4796e705c121SKalle Valo .sta_rc_update = iwl_mvm_sta_rc_update, 4797e705c121SKalle Valo .conf_tx = iwl_mvm_mac_conf_tx, 4798e705c121SKalle Valo .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, 4799e705c121SKalle Valo .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, 4800e705c121SKalle Valo .flush = iwl_mvm_mac_flush, 4801e705c121SKalle Valo .sched_scan_start = iwl_mvm_mac_sched_scan_start, 4802e705c121SKalle Valo .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, 4803e705c121SKalle Valo .set_key = iwl_mvm_mac_set_key, 4804e705c121SKalle Valo .update_tkip_key = iwl_mvm_mac_update_tkip_key, 4805e705c121SKalle Valo .remain_on_channel = iwl_mvm_roc, 4806e705c121SKalle Valo .cancel_remain_on_channel = iwl_mvm_cancel_roc, 4807e705c121SKalle Valo .add_chanctx = iwl_mvm_add_chanctx, 4808e705c121SKalle Valo .remove_chanctx = iwl_mvm_remove_chanctx, 4809e705c121SKalle Valo .change_chanctx = iwl_mvm_change_chanctx, 4810e705c121SKalle Valo .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, 4811e705c121SKalle Valo .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, 4812e705c121SKalle Valo .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, 4813e705c121SKalle Valo 4814e705c121SKalle Valo .start_ap = iwl_mvm_start_ap_ibss, 4815e705c121SKalle Valo .stop_ap = iwl_mvm_stop_ap_ibss, 4816e705c121SKalle Valo .join_ibss = iwl_mvm_start_ap_ibss, 4817e705c121SKalle Valo .leave_ibss = iwl_mvm_stop_ap_ibss, 4818e705c121SKalle Valo 48192f0282dbSJohannes Berg .tx_last_beacon = iwl_mvm_tx_last_beacon, 48202f0282dbSJohannes Berg 4821e705c121SKalle Valo .set_tim = iwl_mvm_set_tim, 4822e705c121SKalle Valo 4823e705c121SKalle Valo .channel_switch = iwl_mvm_channel_switch, 4824e705c121SKalle Valo .pre_channel_switch = iwl_mvm_pre_channel_switch, 4825e705c121SKalle Valo .post_channel_switch = iwl_mvm_post_channel_switch, 4826e705c121SKalle Valo 4827e705c121SKalle Valo .tdls_channel_switch = iwl_mvm_tdls_channel_switch, 4828e705c121SKalle Valo .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, 4829e705c121SKalle Valo .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, 4830e705c121SKalle Valo 4831e705c121SKalle Valo .event_callback = iwl_mvm_mac_event_callback, 4832e705c121SKalle Valo 48330636b938SSara Sharon .sync_rx_queues = iwl_mvm_sync_rx_queues, 48340636b938SSara Sharon 4835e705c121SKalle Valo CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) 4836e705c121SKalle Valo 4837e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 4838e705c121SKalle Valo /* look at d3.c */ 4839e705c121SKalle Valo .suspend = iwl_mvm_suspend, 4840e705c121SKalle Valo .resume = iwl_mvm_resume, 4841e705c121SKalle Valo .set_wakeup = iwl_mvm_set_wakeup, 4842e705c121SKalle Valo .set_rekey_data = iwl_mvm_set_rekey_data, 4843e705c121SKalle Valo #if IS_ENABLED(CONFIG_IPV6) 4844e705c121SKalle Valo .ipv6_addr_change = iwl_mvm_ipv6_addr_change, 4845e705c121SKalle Valo #endif 4846e705c121SKalle Valo .set_default_unicast_key = iwl_mvm_set_default_unicast_key, 4847e705c121SKalle Valo #endif 4848e705c121SKalle Valo .get_survey = iwl_mvm_mac_get_survey, 4849e705c121SKalle Valo .sta_statistics = iwl_mvm_mac_sta_statistics, 4850438af969SSara Sharon .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, 4851177a11cfSGregory Greenman #ifdef CONFIG_IWLWIFI_DEBUGFS 4852177a11cfSGregory Greenman .sta_add_debugfs = iwl_mvm_sta_add_debugfs, 4853177a11cfSGregory Greenman #endif 4854e705c121SKalle Valo }; 4855