1bfcc09ddSBjoern A. Zeeb // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2bfcc09ddSBjoern A. Zeeb /* 3bfcc09ddSBjoern A. Zeeb * Copyright (C) 2012-2014, 2018-2020 Intel Corporation 4bfcc09ddSBjoern A. Zeeb * Copyright (C) 2013-2015 Intel Mobile Communications GmbH 5bfcc09ddSBjoern A. Zeeb * Copyright (C) 2016-2017 Intel Deutschland GmbH 6bfcc09ddSBjoern A. Zeeb */ 7bfcc09ddSBjoern A. Zeeb #include <linux/kernel.h> 8bfcc09ddSBjoern A. Zeeb #include <linux/slab.h> 9bfcc09ddSBjoern A. Zeeb #include <linux/skbuff.h> 10bfcc09ddSBjoern A. Zeeb #include <linux/netdevice.h> 11bfcc09ddSBjoern A. Zeeb #include <linux/etherdevice.h> 12bfcc09ddSBjoern A. Zeeb #include <linux/ip.h> 13bfcc09ddSBjoern A. Zeeb #include <linux/if_arp.h> 14bfcc09ddSBjoern A. Zeeb #include <linux/time.h> 15bfcc09ddSBjoern A. Zeeb #if defined(__FreeBSD__) 16bfcc09ddSBjoern A. Zeeb #include <linux/math64.h> 17bfcc09ddSBjoern A. Zeeb #endif 18bfcc09ddSBjoern A. Zeeb #include <net/mac80211.h> 19bfcc09ddSBjoern A. Zeeb #include <net/ieee80211_radiotap.h> 20bfcc09ddSBjoern A. Zeeb #include <net/tcp.h> 21bfcc09ddSBjoern A. Zeeb #if defined(__FreeBSD__) 22bfcc09ddSBjoern A. Zeeb #include <linux/udp.h> 23bfcc09ddSBjoern A. Zeeb #endif 24bfcc09ddSBjoern A. Zeeb 25bfcc09ddSBjoern A. Zeeb #include "iwl-op-mode.h" 26bfcc09ddSBjoern A. Zeeb #include "iwl-io.h" 27bfcc09ddSBjoern A. Zeeb #include "mvm.h" 28bfcc09ddSBjoern A. Zeeb #include "sta.h" 29bfcc09ddSBjoern A. Zeeb #include "time-event.h" 30bfcc09ddSBjoern A. Zeeb #include "iwl-eeprom-parse.h" 31bfcc09ddSBjoern A. Zeeb #include "iwl-phy-db.h" 32bfcc09ddSBjoern A. Zeeb #ifdef CONFIG_NL80211_TESTMODE 33bfcc09ddSBjoern A. Zeeb #include "testmode.h" 34bfcc09ddSBjoern A. Zeeb #endif 35bfcc09ddSBjoern A. Zeeb #include "fw/error-dump.h" 36bfcc09ddSBjoern A. Zeeb #include "iwl-prph.h" 37bfcc09ddSBjoern A. Zeeb #include "iwl-nvm-parse.h" 38bfcc09ddSBjoern A. Zeeb 39bfcc09ddSBjoern A. Zeeb static const struct ieee80211_iface_limit iwl_mvm_limits[] = { 40bfcc09ddSBjoern A. Zeeb { 41bfcc09ddSBjoern A. Zeeb .max = 1, 42bfcc09ddSBjoern A. Zeeb .types = BIT(NL80211_IFTYPE_STATION), 43bfcc09ddSBjoern A. Zeeb }, 44bfcc09ddSBjoern A. Zeeb { 45bfcc09ddSBjoern A. Zeeb .max = 1, 46bfcc09ddSBjoern A. Zeeb .types = BIT(NL80211_IFTYPE_AP) | 47bfcc09ddSBjoern A. Zeeb BIT(NL80211_IFTYPE_P2P_CLIENT) | 48bfcc09ddSBjoern A. Zeeb BIT(NL80211_IFTYPE_P2P_GO), 49bfcc09ddSBjoern A. Zeeb }, 50bfcc09ddSBjoern A. Zeeb { 51bfcc09ddSBjoern A. Zeeb .max = 1, 52bfcc09ddSBjoern A. Zeeb .types = BIT(NL80211_IFTYPE_P2P_DEVICE), 53bfcc09ddSBjoern A. Zeeb }, 54bfcc09ddSBjoern A. Zeeb }; 55bfcc09ddSBjoern A. Zeeb 56bfcc09ddSBjoern A. Zeeb static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = { 57bfcc09ddSBjoern A. Zeeb { 58bfcc09ddSBjoern A. Zeeb .num_different_channels = 2, 59bfcc09ddSBjoern A. Zeeb .max_interfaces = 3, 60bfcc09ddSBjoern A. Zeeb .limits = iwl_mvm_limits, 61bfcc09ddSBjoern A. Zeeb .n_limits = ARRAY_SIZE(iwl_mvm_limits), 62bfcc09ddSBjoern A. Zeeb }, 63bfcc09ddSBjoern A. Zeeb }; 64bfcc09ddSBjoern A. Zeeb 65bfcc09ddSBjoern A. Zeeb #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 66bfcc09ddSBjoern A. Zeeb /* 67bfcc09ddSBjoern A. Zeeb * Use the reserved field to indicate magic values. 68bfcc09ddSBjoern A. Zeeb * these values will only be used internally by the driver, 69bfcc09ddSBjoern A. Zeeb * and won't make it to the fw (reserved will be 0). 70bfcc09ddSBjoern A. Zeeb * BC_FILTER_MAGIC_IP - configure the val of this attribute to 71bfcc09ddSBjoern A. Zeeb * be the vif's ip address. in case there is not a single 72bfcc09ddSBjoern A. Zeeb * ip address (0, or more than 1), this attribute will 73bfcc09ddSBjoern A. Zeeb * be skipped. 74bfcc09ddSBjoern A. Zeeb * BC_FILTER_MAGIC_MAC - set the val of this attribute to 75bfcc09ddSBjoern A. Zeeb * the LSB bytes of the vif's mac address 76bfcc09ddSBjoern A. Zeeb */ 77bfcc09ddSBjoern A. Zeeb enum { 78bfcc09ddSBjoern A. Zeeb BC_FILTER_MAGIC_NONE = 0, 79bfcc09ddSBjoern A. Zeeb BC_FILTER_MAGIC_IP, 80bfcc09ddSBjoern A. Zeeb BC_FILTER_MAGIC_MAC, 81bfcc09ddSBjoern A. Zeeb }; 82bfcc09ddSBjoern A. Zeeb 83bfcc09ddSBjoern A. Zeeb static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = { 84bfcc09ddSBjoern A. Zeeb { 85bfcc09ddSBjoern A. Zeeb /* arp */ 86bfcc09ddSBjoern A. Zeeb .discard = 0, 87bfcc09ddSBjoern A. Zeeb .frame_type = BCAST_FILTER_FRAME_TYPE_ALL, 88bfcc09ddSBjoern A. Zeeb .attrs = { 89bfcc09ddSBjoern A. Zeeb { 90bfcc09ddSBjoern A. Zeeb /* frame type - arp, hw type - ethernet */ 91bfcc09ddSBjoern A. Zeeb .offset_type = 92bfcc09ddSBjoern A. Zeeb BCAST_FILTER_OFFSET_PAYLOAD_START, 93bfcc09ddSBjoern A. Zeeb .offset = sizeof(rfc1042_header), 94bfcc09ddSBjoern A. Zeeb .val = cpu_to_be32(0x08060001), 95bfcc09ddSBjoern A. Zeeb .mask = cpu_to_be32(0xffffffff), 96bfcc09ddSBjoern A. Zeeb }, 97bfcc09ddSBjoern A. Zeeb { 98bfcc09ddSBjoern A. Zeeb /* arp dest ip */ 99bfcc09ddSBjoern A. Zeeb .offset_type = 100bfcc09ddSBjoern A. Zeeb BCAST_FILTER_OFFSET_PAYLOAD_START, 101bfcc09ddSBjoern A. Zeeb .offset = sizeof(rfc1042_header) + 2 + 102bfcc09ddSBjoern A. Zeeb sizeof(struct arphdr) + 103bfcc09ddSBjoern A. Zeeb ETH_ALEN + sizeof(__be32) + 104bfcc09ddSBjoern A. Zeeb ETH_ALEN, 105bfcc09ddSBjoern A. Zeeb .mask = cpu_to_be32(0xffffffff), 106bfcc09ddSBjoern A. Zeeb /* mark it as special field */ 107bfcc09ddSBjoern A. Zeeb .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_IP), 108bfcc09ddSBjoern A. Zeeb }, 109bfcc09ddSBjoern A. Zeeb }, 110bfcc09ddSBjoern A. Zeeb }, 111bfcc09ddSBjoern A. Zeeb { 112bfcc09ddSBjoern A. Zeeb /* dhcp offer bcast */ 113bfcc09ddSBjoern A. Zeeb .discard = 0, 114bfcc09ddSBjoern A. Zeeb .frame_type = BCAST_FILTER_FRAME_TYPE_IPV4, 115bfcc09ddSBjoern A. Zeeb .attrs = { 116bfcc09ddSBjoern A. Zeeb { 117bfcc09ddSBjoern A. Zeeb /* udp dest port - 68 (bootp client)*/ 118bfcc09ddSBjoern A. Zeeb .offset_type = BCAST_FILTER_OFFSET_IP_END, 119bfcc09ddSBjoern A. Zeeb .offset = offsetof(struct udphdr, dest), 120bfcc09ddSBjoern A. Zeeb .val = cpu_to_be32(0x00440000), 121bfcc09ddSBjoern A. Zeeb .mask = cpu_to_be32(0xffff0000), 122bfcc09ddSBjoern A. Zeeb }, 123bfcc09ddSBjoern A. Zeeb { 124bfcc09ddSBjoern A. Zeeb /* dhcp - lsb bytes of client hw address */ 125bfcc09ddSBjoern A. Zeeb .offset_type = BCAST_FILTER_OFFSET_IP_END, 126bfcc09ddSBjoern A. Zeeb .offset = 38, 127bfcc09ddSBjoern A. Zeeb .mask = cpu_to_be32(0xffffffff), 128bfcc09ddSBjoern A. Zeeb /* mark it as special field */ 129bfcc09ddSBjoern A. Zeeb .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_MAC), 130bfcc09ddSBjoern A. Zeeb }, 131bfcc09ddSBjoern A. Zeeb }, 132bfcc09ddSBjoern A. Zeeb }, 133bfcc09ddSBjoern A. Zeeb /* last filter must be empty */ 134bfcc09ddSBjoern A. Zeeb {}, 135bfcc09ddSBjoern A. Zeeb }; 136bfcc09ddSBjoern A. Zeeb #endif 137bfcc09ddSBjoern A. Zeeb 138bfcc09ddSBjoern A. Zeeb static const struct cfg80211_pmsr_capabilities iwl_mvm_pmsr_capa = { 139bfcc09ddSBjoern A. Zeeb .max_peers = IWL_MVM_TOF_MAX_APS, 140bfcc09ddSBjoern A. Zeeb .report_ap_tsf = 1, 141bfcc09ddSBjoern A. Zeeb .randomize_mac_addr = 1, 142bfcc09ddSBjoern A. Zeeb 143bfcc09ddSBjoern A. Zeeb .ftm = { 144bfcc09ddSBjoern A. Zeeb .supported = 1, 145bfcc09ddSBjoern A. Zeeb .asap = 1, 146bfcc09ddSBjoern A. Zeeb .non_asap = 1, 147bfcc09ddSBjoern A. Zeeb .request_lci = 1, 148bfcc09ddSBjoern A. Zeeb .request_civicloc = 1, 149bfcc09ddSBjoern A. Zeeb .trigger_based = 1, 150bfcc09ddSBjoern A. Zeeb .non_trigger_based = 1, 151bfcc09ddSBjoern A. Zeeb .max_bursts_exponent = -1, /* all supported */ 152bfcc09ddSBjoern A. Zeeb .max_ftms_per_burst = 0, /* no limits */ 153bfcc09ddSBjoern A. Zeeb .bandwidths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 154bfcc09ddSBjoern A. Zeeb BIT(NL80211_CHAN_WIDTH_20) | 155bfcc09ddSBjoern A. Zeeb BIT(NL80211_CHAN_WIDTH_40) | 156bfcc09ddSBjoern A. Zeeb BIT(NL80211_CHAN_WIDTH_80) | 157bfcc09ddSBjoern A. Zeeb BIT(NL80211_CHAN_WIDTH_160), 158bfcc09ddSBjoern A. Zeeb .preambles = BIT(NL80211_PREAMBLE_LEGACY) | 159bfcc09ddSBjoern A. Zeeb BIT(NL80211_PREAMBLE_HT) | 160bfcc09ddSBjoern A. Zeeb BIT(NL80211_PREAMBLE_VHT) | 161bfcc09ddSBjoern A. Zeeb BIT(NL80211_PREAMBLE_HE), 162bfcc09ddSBjoern A. Zeeb }, 163bfcc09ddSBjoern A. Zeeb }; 164bfcc09ddSBjoern A. Zeeb 165bfcc09ddSBjoern A. Zeeb static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 166bfcc09ddSBjoern A. Zeeb enum set_key_cmd cmd, 167bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 168bfcc09ddSBjoern A. Zeeb struct ieee80211_sta *sta, 169bfcc09ddSBjoern A. Zeeb struct ieee80211_key_conf *key); 170bfcc09ddSBjoern A. Zeeb 171bfcc09ddSBjoern A. Zeeb static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm) 172bfcc09ddSBjoern A. Zeeb { 173bfcc09ddSBjoern A. Zeeb int i; 174bfcc09ddSBjoern A. Zeeb 175bfcc09ddSBjoern A. Zeeb memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts)); 176bfcc09ddSBjoern A. Zeeb for (i = 0; i < NUM_PHY_CTX; i++) { 177bfcc09ddSBjoern A. Zeeb mvm->phy_ctxts[i].id = i; 178bfcc09ddSBjoern A. Zeeb mvm->phy_ctxts[i].ref = 0; 179bfcc09ddSBjoern A. Zeeb } 180bfcc09ddSBjoern A. Zeeb } 181bfcc09ddSBjoern A. Zeeb 182bfcc09ddSBjoern A. Zeeb struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, 183bfcc09ddSBjoern A. Zeeb const char *alpha2, 184bfcc09ddSBjoern A. Zeeb enum iwl_mcc_source src_id, 185bfcc09ddSBjoern A. Zeeb bool *changed) 186bfcc09ddSBjoern A. Zeeb { 187bfcc09ddSBjoern A. Zeeb struct ieee80211_regdomain *regd = NULL; 188bfcc09ddSBjoern A. Zeeb struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 189bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 190bfcc09ddSBjoern A. Zeeb struct iwl_mcc_update_resp *resp; 191bfcc09ddSBjoern A. Zeeb u8 resp_ver; 192bfcc09ddSBjoern A. Zeeb 193bfcc09ddSBjoern A. Zeeb IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2); 194bfcc09ddSBjoern A. Zeeb 195bfcc09ddSBjoern A. Zeeb lockdep_assert_held(&mvm->mutex); 196bfcc09ddSBjoern A. Zeeb 197bfcc09ddSBjoern A. Zeeb resp = iwl_mvm_update_mcc(mvm, alpha2, src_id); 198bfcc09ddSBjoern A. Zeeb if (IS_ERR_OR_NULL(resp)) { 199bfcc09ddSBjoern A. Zeeb IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n", 200bfcc09ddSBjoern A. Zeeb PTR_ERR_OR_ZERO(resp)); 201bfcc09ddSBjoern A. Zeeb goto out; 202bfcc09ddSBjoern A. Zeeb } 203bfcc09ddSBjoern A. Zeeb 204bfcc09ddSBjoern A. Zeeb if (changed) { 205bfcc09ddSBjoern A. Zeeb u32 status = le32_to_cpu(resp->status); 206bfcc09ddSBjoern A. Zeeb 207bfcc09ddSBjoern A. Zeeb *changed = (status == MCC_RESP_NEW_CHAN_PROFILE || 208bfcc09ddSBjoern A. Zeeb status == MCC_RESP_ILLEGAL); 209bfcc09ddSBjoern A. Zeeb } 210bfcc09ddSBjoern A. Zeeb resp_ver = iwl_fw_lookup_notif_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP, 211bfcc09ddSBjoern A. Zeeb MCC_UPDATE_CMD, 0); 212bfcc09ddSBjoern A. Zeeb IWL_DEBUG_LAR(mvm, "MCC update response version: %d\n", resp_ver); 213bfcc09ddSBjoern A. Zeeb 214bfcc09ddSBjoern A. Zeeb regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg, 215bfcc09ddSBjoern A. Zeeb __le32_to_cpu(resp->n_channels), 216bfcc09ddSBjoern A. Zeeb resp->channels, 217bfcc09ddSBjoern A. Zeeb __le16_to_cpu(resp->mcc), 218bfcc09ddSBjoern A. Zeeb __le16_to_cpu(resp->geo_info), 219bfcc09ddSBjoern A. Zeeb __le16_to_cpu(resp->cap), resp_ver); 220bfcc09ddSBjoern A. Zeeb /* Store the return source id */ 221bfcc09ddSBjoern A. Zeeb src_id = resp->source_id; 222bfcc09ddSBjoern A. Zeeb kfree(resp); 223bfcc09ddSBjoern A. Zeeb if (IS_ERR_OR_NULL(regd)) { 224bfcc09ddSBjoern A. Zeeb IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n", 225bfcc09ddSBjoern A. Zeeb PTR_ERR_OR_ZERO(regd)); 226bfcc09ddSBjoern A. Zeeb goto out; 227bfcc09ddSBjoern A. Zeeb } 228bfcc09ddSBjoern A. Zeeb 229bfcc09ddSBjoern A. Zeeb IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n", 230bfcc09ddSBjoern A. Zeeb regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id); 231bfcc09ddSBjoern A. Zeeb mvm->lar_regdom_set = true; 232bfcc09ddSBjoern A. Zeeb mvm->mcc_src = src_id; 233bfcc09ddSBjoern A. Zeeb 234bfcc09ddSBjoern A. Zeeb out: 235bfcc09ddSBjoern A. Zeeb return regd; 236bfcc09ddSBjoern A. Zeeb } 237bfcc09ddSBjoern A. Zeeb 238bfcc09ddSBjoern A. Zeeb void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm) 239bfcc09ddSBjoern A. Zeeb { 240bfcc09ddSBjoern A. Zeeb bool changed; 241bfcc09ddSBjoern A. Zeeb struct ieee80211_regdomain *regd; 242bfcc09ddSBjoern A. Zeeb 243bfcc09ddSBjoern A. Zeeb if (!iwl_mvm_is_lar_supported(mvm)) 244bfcc09ddSBjoern A. Zeeb return; 245bfcc09ddSBjoern A. Zeeb 246bfcc09ddSBjoern A. Zeeb regd = iwl_mvm_get_current_regdomain(mvm, &changed); 247bfcc09ddSBjoern A. Zeeb if (!IS_ERR_OR_NULL(regd)) { 248bfcc09ddSBjoern A. Zeeb /* only update the regulatory core if changed */ 249bfcc09ddSBjoern A. Zeeb if (changed) 250bfcc09ddSBjoern A. Zeeb regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); 251bfcc09ddSBjoern A. Zeeb 252bfcc09ddSBjoern A. Zeeb kfree(regd); 253bfcc09ddSBjoern A. Zeeb } 254bfcc09ddSBjoern A. Zeeb } 255bfcc09ddSBjoern A. Zeeb 256bfcc09ddSBjoern A. Zeeb struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 257bfcc09ddSBjoern A. Zeeb bool *changed) 258bfcc09ddSBjoern A. Zeeb { 259bfcc09ddSBjoern A. Zeeb return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ", 260bfcc09ddSBjoern A. Zeeb iwl_mvm_is_wifi_mcc_supported(mvm) ? 261bfcc09ddSBjoern A. Zeeb MCC_SOURCE_GET_CURRENT : 262bfcc09ddSBjoern A. Zeeb MCC_SOURCE_OLD_FW, changed); 263bfcc09ddSBjoern A. Zeeb } 264bfcc09ddSBjoern A. Zeeb 265bfcc09ddSBjoern A. Zeeb int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm) 266bfcc09ddSBjoern A. Zeeb { 267bfcc09ddSBjoern A. Zeeb enum iwl_mcc_source used_src; 268bfcc09ddSBjoern A. Zeeb struct ieee80211_regdomain *regd; 269bfcc09ddSBjoern A. Zeeb int ret; 270bfcc09ddSBjoern A. Zeeb bool changed; 271bfcc09ddSBjoern A. Zeeb const struct ieee80211_regdomain *r = 272bfcc09ddSBjoern A. Zeeb wiphy_dereference(mvm->hw->wiphy, mvm->hw->wiphy->regd); 273bfcc09ddSBjoern A. Zeeb 274bfcc09ddSBjoern A. Zeeb if (!r) 275bfcc09ddSBjoern A. Zeeb return -ENOENT; 276bfcc09ddSBjoern A. Zeeb 277bfcc09ddSBjoern A. Zeeb /* save the last source in case we overwrite it below */ 278bfcc09ddSBjoern A. Zeeb used_src = mvm->mcc_src; 279bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_wifi_mcc_supported(mvm)) { 280bfcc09ddSBjoern A. Zeeb /* Notify the firmware we support wifi location updates */ 281bfcc09ddSBjoern A. Zeeb regd = iwl_mvm_get_current_regdomain(mvm, NULL); 282bfcc09ddSBjoern A. Zeeb if (!IS_ERR_OR_NULL(regd)) 283bfcc09ddSBjoern A. Zeeb kfree(regd); 284bfcc09ddSBjoern A. Zeeb } 285bfcc09ddSBjoern A. Zeeb 286bfcc09ddSBjoern A. Zeeb /* Now set our last stored MCC and source */ 287bfcc09ddSBjoern A. Zeeb regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src, 288bfcc09ddSBjoern A. Zeeb &changed); 289bfcc09ddSBjoern A. Zeeb if (IS_ERR_OR_NULL(regd)) 290bfcc09ddSBjoern A. Zeeb return -EIO; 291bfcc09ddSBjoern A. Zeeb 292bfcc09ddSBjoern A. Zeeb /* update cfg80211 if the regdomain was changed */ 293bfcc09ddSBjoern A. Zeeb if (changed) 294bfcc09ddSBjoern A. Zeeb ret = regulatory_set_wiphy_regd_sync(mvm->hw->wiphy, regd); 295bfcc09ddSBjoern A. Zeeb else 296bfcc09ddSBjoern A. Zeeb ret = 0; 297bfcc09ddSBjoern A. Zeeb 298bfcc09ddSBjoern A. Zeeb kfree(regd); 299bfcc09ddSBjoern A. Zeeb return ret; 300bfcc09ddSBjoern A. Zeeb } 301bfcc09ddSBjoern A. Zeeb 302bfcc09ddSBjoern A. Zeeb static const u8 he_if_types_ext_capa_sta[] = { 303bfcc09ddSBjoern A. Zeeb [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 304bfcc09ddSBjoern A. Zeeb [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT, 305bfcc09ddSBjoern A. Zeeb [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, 306bfcc09ddSBjoern A. Zeeb [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, 307bfcc09ddSBjoern A. Zeeb }; 308bfcc09ddSBjoern A. Zeeb 309bfcc09ddSBjoern A. Zeeb static const struct wiphy_iftype_ext_capab he_iftypes_ext_capa[] = { 310bfcc09ddSBjoern A. Zeeb { 311bfcc09ddSBjoern A. Zeeb .iftype = NL80211_IFTYPE_STATION, 312bfcc09ddSBjoern A. Zeeb .extended_capabilities = he_if_types_ext_capa_sta, 313bfcc09ddSBjoern A. Zeeb .extended_capabilities_mask = he_if_types_ext_capa_sta, 314bfcc09ddSBjoern A. Zeeb .extended_capabilities_len = sizeof(he_if_types_ext_capa_sta), 315bfcc09ddSBjoern A. Zeeb }, 316bfcc09ddSBjoern A. Zeeb }; 317bfcc09ddSBjoern A. Zeeb 318bfcc09ddSBjoern A. Zeeb static int 319bfcc09ddSBjoern A. Zeeb iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) 320bfcc09ddSBjoern A. Zeeb { 321bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 322bfcc09ddSBjoern A. Zeeb *tx_ant = iwl_mvm_get_valid_tx_ant(mvm); 323bfcc09ddSBjoern A. Zeeb *rx_ant = iwl_mvm_get_valid_rx_ant(mvm); 324bfcc09ddSBjoern A. Zeeb return 0; 325bfcc09ddSBjoern A. Zeeb } 326bfcc09ddSBjoern A. Zeeb 327bfcc09ddSBjoern A. Zeeb int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) 328bfcc09ddSBjoern A. Zeeb { 329bfcc09ddSBjoern A. Zeeb struct ieee80211_hw *hw = mvm->hw; 330bfcc09ddSBjoern A. Zeeb int num_mac, ret, i; 331bfcc09ddSBjoern A. Zeeb static const u32 mvm_ciphers[] = { 332bfcc09ddSBjoern A. Zeeb WLAN_CIPHER_SUITE_WEP40, 333bfcc09ddSBjoern A. Zeeb WLAN_CIPHER_SUITE_WEP104, 334bfcc09ddSBjoern A. Zeeb WLAN_CIPHER_SUITE_TKIP, 335bfcc09ddSBjoern A. Zeeb WLAN_CIPHER_SUITE_CCMP, 336bfcc09ddSBjoern A. Zeeb }; 337bfcc09ddSBjoern A. Zeeb #ifdef CONFIG_PM_SLEEP 338bfcc09ddSBjoern A. Zeeb bool unified = fw_has_capa(&mvm->fw->ucode_capa, 339bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); 340bfcc09ddSBjoern A. Zeeb #endif 341bfcc09ddSBjoern A. Zeeb 342bfcc09ddSBjoern A. Zeeb /* Tell mac80211 our characteristics */ 343bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, SIGNAL_DBM); 344bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, SPECTRUM_MGMT); 345bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 346bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, WANT_MONITOR_VIF); 347bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, SUPPORTS_PS); 348bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 349bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, AMPDU_AGGREGATION); 350bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, TIMING_BEACON_ONLY); 351bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, CONNECTION_MONITOR); 352bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, CHANCTX_STA_CSA); 353bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 354bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); 355bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 356bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); 357bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, DEAUTH_NEED_MGD_TX_PREP); 358bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); 359bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, BUFF_MMPDU_TXQ); 360bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, STA_MMPDU_TXQ); 361bfcc09ddSBjoern A. Zeeb /* 362bfcc09ddSBjoern A. Zeeb * On older devices, enabling TX A-MSDU occasionally leads to 363bfcc09ddSBjoern A. Zeeb * something getting messed up, the command read from the FIFO 364bfcc09ddSBjoern A. Zeeb * gets out of sync and isn't a TX command, so that we have an 365bfcc09ddSBjoern A. Zeeb * assert EDC. 366bfcc09ddSBjoern A. Zeeb * 367bfcc09ddSBjoern A. Zeeb * It's not clear where the bug is, but since we didn't used to 368bfcc09ddSBjoern A. Zeeb * support A-MSDU until moving the mac80211 iTXQs, just leave it 369bfcc09ddSBjoern A. Zeeb * for older devices. We also don't see this issue on any newer 370bfcc09ddSBjoern A. Zeeb * devices. 371bfcc09ddSBjoern A. Zeeb */ 372bfcc09ddSBjoern A. Zeeb if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_9000) 373bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, TX_AMSDU); 374bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, TX_FRAG_LIST); 375bfcc09ddSBjoern A. Zeeb 376bfcc09ddSBjoern A. Zeeb if (iwl_mvm_has_tlc_offload(mvm)) { 377bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); 378bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, HAS_RATE_CONTROL); 379bfcc09ddSBjoern A. Zeeb } 380bfcc09ddSBjoern A. Zeeb 381bfcc09ddSBjoern A. Zeeb if (iwl_mvm_has_new_rx_api(mvm)) 382bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); 383bfcc09ddSBjoern A. Zeeb 384bfcc09ddSBjoern A. Zeeb if (fw_has_capa(&mvm->fw->ucode_capa, 385bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) { 386bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, AP_LINK_PS); 387bfcc09ddSBjoern A. Zeeb } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) { 388bfcc09ddSBjoern A. Zeeb /* 389bfcc09ddSBjoern A. Zeeb * we absolutely need this for the new TX API since that comes 390bfcc09ddSBjoern A. Zeeb * with many more queues than the current code can deal with 391bfcc09ddSBjoern A. Zeeb * for station powersave 392bfcc09ddSBjoern A. Zeeb */ 393bfcc09ddSBjoern A. Zeeb return -EINVAL; 394bfcc09ddSBjoern A. Zeeb } 395bfcc09ddSBjoern A. Zeeb 396bfcc09ddSBjoern A. Zeeb if (mvm->trans->num_rx_queues > 1) 397bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, USES_RSS); 398bfcc09ddSBjoern A. Zeeb 399bfcc09ddSBjoern A. Zeeb if (mvm->trans->max_skb_frags) 400bfcc09ddSBjoern A. Zeeb hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; 401bfcc09ddSBjoern A. Zeeb 402bfcc09ddSBjoern A. Zeeb hw->queues = IEEE80211_NUM_ACS; 403bfcc09ddSBjoern A. Zeeb hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; 404bfcc09ddSBjoern A. Zeeb hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | 405bfcc09ddSBjoern A. Zeeb IEEE80211_RADIOTAP_MCS_HAVE_STBC; 406bfcc09ddSBjoern A. Zeeb hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | 407bfcc09ddSBjoern A. Zeeb IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; 408bfcc09ddSBjoern A. Zeeb 409bfcc09ddSBjoern A. Zeeb hw->radiotap_timestamp.units_pos = 410bfcc09ddSBjoern A. Zeeb IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | 411bfcc09ddSBjoern A. Zeeb IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; 412bfcc09ddSBjoern A. Zeeb /* this is the case for CCK frames, it's better (only 8) for OFDM */ 413bfcc09ddSBjoern A. Zeeb hw->radiotap_timestamp.accuracy = 22; 414bfcc09ddSBjoern A. Zeeb 415bfcc09ddSBjoern A. Zeeb if (!iwl_mvm_has_tlc_offload(mvm)) 416bfcc09ddSBjoern A. Zeeb hw->rate_control_algorithm = RS_NAME; 417bfcc09ddSBjoern A. Zeeb 418bfcc09ddSBjoern A. Zeeb hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; 419bfcc09ddSBjoern A. Zeeb hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; 420bfcc09ddSBjoern A. Zeeb hw->max_tx_fragments = mvm->trans->max_skb_frags; 421bfcc09ddSBjoern A. Zeeb 422bfcc09ddSBjoern A. Zeeb BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); 423bfcc09ddSBjoern A. Zeeb memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); 424bfcc09ddSBjoern A. Zeeb hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); 425bfcc09ddSBjoern A. Zeeb hw->wiphy->cipher_suites = mvm->ciphers; 426bfcc09ddSBjoern A. Zeeb 427bfcc09ddSBjoern A. Zeeb if (iwl_mvm_has_new_rx_api(mvm)) { 428bfcc09ddSBjoern A. Zeeb mvm->ciphers[hw->wiphy->n_cipher_suites] = 429bfcc09ddSBjoern A. Zeeb WLAN_CIPHER_SUITE_GCMP; 430bfcc09ddSBjoern A. Zeeb hw->wiphy->n_cipher_suites++; 431bfcc09ddSBjoern A. Zeeb mvm->ciphers[hw->wiphy->n_cipher_suites] = 432bfcc09ddSBjoern A. Zeeb WLAN_CIPHER_SUITE_GCMP_256; 433bfcc09ddSBjoern A. Zeeb hw->wiphy->n_cipher_suites++; 434bfcc09ddSBjoern A. Zeeb } 435bfcc09ddSBjoern A. Zeeb 436bfcc09ddSBjoern A. Zeeb if (iwlwifi_mod_params.swcrypto) 437bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, 438bfcc09ddSBjoern A. Zeeb "iwlmvm doesn't allow to disable HW crypto, check swcrypto module parameter\n"); 439bfcc09ddSBjoern A. Zeeb if (!iwlwifi_mod_params.bt_coex_active) 440bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, 441bfcc09ddSBjoern A. Zeeb "iwlmvm doesn't allow to disable BT Coex, check bt_coex_active module parameter\n"); 442bfcc09ddSBjoern A. Zeeb 443bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, MFP_CAPABLE); 444bfcc09ddSBjoern A. Zeeb mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_AES_CMAC; 445bfcc09ddSBjoern A. Zeeb hw->wiphy->n_cipher_suites++; 446bfcc09ddSBjoern A. Zeeb if (iwl_mvm_has_new_rx_api(mvm)) { 447bfcc09ddSBjoern A. Zeeb mvm->ciphers[hw->wiphy->n_cipher_suites] = 448bfcc09ddSBjoern A. Zeeb WLAN_CIPHER_SUITE_BIP_GMAC_128; 449bfcc09ddSBjoern A. Zeeb hw->wiphy->n_cipher_suites++; 450bfcc09ddSBjoern A. Zeeb mvm->ciphers[hw->wiphy->n_cipher_suites] = 451bfcc09ddSBjoern A. Zeeb WLAN_CIPHER_SUITE_BIP_GMAC_256; 452bfcc09ddSBjoern A. Zeeb hw->wiphy->n_cipher_suites++; 453bfcc09ddSBjoern A. Zeeb } 454bfcc09ddSBjoern A. Zeeb 455bfcc09ddSBjoern A. Zeeb /* currently FW API supports only one optional cipher scheme */ 456bfcc09ddSBjoern A. Zeeb if (mvm->fw->cs[0].cipher) { 457bfcc09ddSBjoern A. Zeeb const struct iwl_fw_cipher_scheme *fwcs = &mvm->fw->cs[0]; 458bfcc09ddSBjoern A. Zeeb struct ieee80211_cipher_scheme *cs = &mvm->cs[0]; 459bfcc09ddSBjoern A. Zeeb 460bfcc09ddSBjoern A. Zeeb mvm->hw->n_cipher_schemes = 1; 461bfcc09ddSBjoern A. Zeeb 462bfcc09ddSBjoern A. Zeeb cs->cipher = le32_to_cpu(fwcs->cipher); 463bfcc09ddSBjoern A. Zeeb cs->iftype = BIT(NL80211_IFTYPE_STATION); 464bfcc09ddSBjoern A. Zeeb cs->hdr_len = fwcs->hdr_len; 465bfcc09ddSBjoern A. Zeeb cs->pn_len = fwcs->pn_len; 466bfcc09ddSBjoern A. Zeeb cs->pn_off = fwcs->pn_off; 467bfcc09ddSBjoern A. Zeeb cs->key_idx_off = fwcs->key_idx_off; 468bfcc09ddSBjoern A. Zeeb cs->key_idx_mask = fwcs->key_idx_mask; 469bfcc09ddSBjoern A. Zeeb cs->key_idx_shift = fwcs->key_idx_shift; 470bfcc09ddSBjoern A. Zeeb cs->mic_len = fwcs->mic_len; 471bfcc09ddSBjoern A. Zeeb 472bfcc09ddSBjoern A. Zeeb mvm->hw->cipher_schemes = mvm->cs; 473bfcc09ddSBjoern A. Zeeb mvm->ciphers[hw->wiphy->n_cipher_suites] = cs->cipher; 474bfcc09ddSBjoern A. Zeeb hw->wiphy->n_cipher_suites++; 475bfcc09ddSBjoern A. Zeeb } 476bfcc09ddSBjoern A. Zeeb 477bfcc09ddSBjoern A. Zeeb if (fw_has_capa(&mvm->fw->ucode_capa, 478bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) { 479bfcc09ddSBjoern A. Zeeb wiphy_ext_feature_set(hw->wiphy, 480bfcc09ddSBjoern A. Zeeb NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); 481bfcc09ddSBjoern A. Zeeb hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa; 482bfcc09ddSBjoern A. Zeeb } 483bfcc09ddSBjoern A. Zeeb 484bfcc09ddSBjoern A. Zeeb if (fw_has_capa(&mvm->fw->ucode_capa, 485bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_BIGTK_SUPPORT)) 486bfcc09ddSBjoern A. Zeeb wiphy_ext_feature_set(hw->wiphy, 487bfcc09ddSBjoern A. Zeeb NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT); 488bfcc09ddSBjoern A. Zeeb 489bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); 490bfcc09ddSBjoern A. Zeeb hw->wiphy->features |= 491bfcc09ddSBjoern A. Zeeb NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 492bfcc09ddSBjoern A. Zeeb NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 493bfcc09ddSBjoern A. Zeeb NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 494bfcc09ddSBjoern A. Zeeb 495bfcc09ddSBjoern A. Zeeb hw->sta_data_size = sizeof(struct iwl_mvm_sta); 496bfcc09ddSBjoern A. Zeeb hw->vif_data_size = sizeof(struct iwl_mvm_vif); 497bfcc09ddSBjoern A. Zeeb hw->chanctx_data_size = sizeof(u16); 498bfcc09ddSBjoern A. Zeeb hw->txq_data_size = sizeof(struct iwl_mvm_txq); 499bfcc09ddSBjoern A. Zeeb 500bfcc09ddSBjoern A. Zeeb hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 501bfcc09ddSBjoern A. Zeeb BIT(NL80211_IFTYPE_P2P_CLIENT) | 502bfcc09ddSBjoern A. Zeeb BIT(NL80211_IFTYPE_AP) | 503bfcc09ddSBjoern A. Zeeb BIT(NL80211_IFTYPE_P2P_GO) | 504bfcc09ddSBjoern A. Zeeb BIT(NL80211_IFTYPE_P2P_DEVICE) | 505bfcc09ddSBjoern A. Zeeb BIT(NL80211_IFTYPE_ADHOC); 506bfcc09ddSBjoern A. Zeeb 507bfcc09ddSBjoern A. Zeeb hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 508bfcc09ddSBjoern A. Zeeb wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); 509bfcc09ddSBjoern A. Zeeb 510bfcc09ddSBjoern A. Zeeb /* The new Tx API does not allow to pass the key or keyid of a MPDU to 511bfcc09ddSBjoern A. Zeeb * the hw, preventing us to control which key(id) to use per MPDU. 512bfcc09ddSBjoern A. Zeeb * Till that's fixed we can't use Extended Key ID for the newer cards. 513bfcc09ddSBjoern A. Zeeb */ 514bfcc09ddSBjoern A. Zeeb if (!iwl_mvm_has_new_tx_api(mvm)) 515bfcc09ddSBjoern A. Zeeb wiphy_ext_feature_set(hw->wiphy, 516bfcc09ddSBjoern A. Zeeb NL80211_EXT_FEATURE_EXT_KEY_ID); 517bfcc09ddSBjoern A. Zeeb hw->wiphy->features |= NL80211_FEATURE_HT_IBSS; 518bfcc09ddSBjoern A. Zeeb 519bfcc09ddSBjoern A. Zeeb hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; 520bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_lar_supported(mvm)) 521bfcc09ddSBjoern A. Zeeb hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 522bfcc09ddSBjoern A. Zeeb else 523bfcc09ddSBjoern A. Zeeb hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 524bfcc09ddSBjoern A. Zeeb REGULATORY_DISABLE_BEACON_HINTS; 525bfcc09ddSBjoern A. Zeeb 526bfcc09ddSBjoern A. Zeeb hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 527bfcc09ddSBjoern A. Zeeb hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 528bfcc09ddSBjoern A. Zeeb hw->wiphy->flags |= WIPHY_FLAG_SPLIT_SCAN_6GHZ; 529bfcc09ddSBjoern A. Zeeb 530bfcc09ddSBjoern A. Zeeb hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; 531bfcc09ddSBjoern A. Zeeb hw->wiphy->n_iface_combinations = 532bfcc09ddSBjoern A. Zeeb ARRAY_SIZE(iwl_mvm_iface_combinations); 533bfcc09ddSBjoern A. Zeeb 534bfcc09ddSBjoern A. Zeeb hw->wiphy->max_remain_on_channel_duration = 10000; 535bfcc09ddSBjoern A. Zeeb hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; 536bfcc09ddSBjoern A. Zeeb 537bfcc09ddSBjoern A. Zeeb /* Extract MAC address */ 538bfcc09ddSBjoern A. Zeeb memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); 539bfcc09ddSBjoern A. Zeeb hw->wiphy->addresses = mvm->addresses; 540bfcc09ddSBjoern A. Zeeb hw->wiphy->n_addresses = 1; 541bfcc09ddSBjoern A. Zeeb 542bfcc09ddSBjoern A. Zeeb /* Extract additional MAC addresses if available */ 543bfcc09ddSBjoern A. Zeeb num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? 544bfcc09ddSBjoern A. Zeeb min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; 545bfcc09ddSBjoern A. Zeeb 546bfcc09ddSBjoern A. Zeeb for (i = 1; i < num_mac; i++) { 547bfcc09ddSBjoern A. Zeeb memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, 548bfcc09ddSBjoern A. Zeeb ETH_ALEN); 549bfcc09ddSBjoern A. Zeeb mvm->addresses[i].addr[5]++; 550bfcc09ddSBjoern A. Zeeb hw->wiphy->n_addresses++; 551bfcc09ddSBjoern A. Zeeb } 552bfcc09ddSBjoern A. Zeeb 553bfcc09ddSBjoern A. Zeeb iwl_mvm_reset_phy_ctxts(mvm); 554bfcc09ddSBjoern A. Zeeb 555bfcc09ddSBjoern A. Zeeb hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); 556bfcc09ddSBjoern A. Zeeb 557bfcc09ddSBjoern A. Zeeb hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; 558bfcc09ddSBjoern A. Zeeb 559bfcc09ddSBjoern A. Zeeb BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); 560bfcc09ddSBjoern A. Zeeb BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || 561bfcc09ddSBjoern A. Zeeb IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); 562bfcc09ddSBjoern A. Zeeb 563bfcc09ddSBjoern A. Zeeb if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 564bfcc09ddSBjoern A. Zeeb mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS; 565bfcc09ddSBjoern A. Zeeb else 566bfcc09ddSBjoern A. Zeeb mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS; 567bfcc09ddSBjoern A. Zeeb 568bfcc09ddSBjoern A. Zeeb if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) 569bfcc09ddSBjoern A. Zeeb hw->wiphy->bands[NL80211_BAND_2GHZ] = 570bfcc09ddSBjoern A. Zeeb &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; 571bfcc09ddSBjoern A. Zeeb if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { 572bfcc09ddSBjoern A. Zeeb hw->wiphy->bands[NL80211_BAND_5GHZ] = 573bfcc09ddSBjoern A. Zeeb &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; 574bfcc09ddSBjoern A. Zeeb 575bfcc09ddSBjoern A. Zeeb if (fw_has_capa(&mvm->fw->ucode_capa, 576bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_BEAMFORMER) && 577bfcc09ddSBjoern A. Zeeb fw_has_api(&mvm->fw->ucode_capa, 578bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_API_LQ_SS_PARAMS)) 579bfcc09ddSBjoern A. Zeeb hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= 580bfcc09ddSBjoern A. Zeeb IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; 581bfcc09ddSBjoern A. Zeeb } 582bfcc09ddSBjoern A. Zeeb if (fw_has_capa(&mvm->fw->ucode_capa, 583bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_PSC_CHAN_SUPPORT) && 584bfcc09ddSBjoern A. Zeeb mvm->nvm_data->bands[NL80211_BAND_6GHZ].n_channels) 585bfcc09ddSBjoern A. Zeeb hw->wiphy->bands[NL80211_BAND_6GHZ] = 586bfcc09ddSBjoern A. Zeeb &mvm->nvm_data->bands[NL80211_BAND_6GHZ]; 587bfcc09ddSBjoern A. Zeeb 588bfcc09ddSBjoern A. Zeeb hw->wiphy->hw_version = mvm->trans->hw_id; 589bfcc09ddSBjoern A. Zeeb 590bfcc09ddSBjoern A. Zeeb if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) 591bfcc09ddSBjoern A. Zeeb hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; 592bfcc09ddSBjoern A. Zeeb else 593bfcc09ddSBjoern A. Zeeb hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 594bfcc09ddSBjoern A. Zeeb 595bfcc09ddSBjoern A. Zeeb hw->wiphy->max_sched_scan_reqs = 1; 596bfcc09ddSBjoern A. Zeeb hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; 597bfcc09ddSBjoern A. Zeeb hw->wiphy->max_match_sets = iwl_umac_scan_get_max_profiles(mvm->fw); 598bfcc09ddSBjoern A. Zeeb /* we create the 802.11 header and zero length SSID IE. */ 599bfcc09ddSBjoern A. Zeeb hw->wiphy->max_sched_scan_ie_len = 600bfcc09ddSBjoern A. Zeeb SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; 601bfcc09ddSBjoern A. Zeeb hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; 602bfcc09ddSBjoern A. Zeeb hw->wiphy->max_sched_scan_plan_interval = U16_MAX; 603bfcc09ddSBjoern A. Zeeb 604bfcc09ddSBjoern A. Zeeb /* 605bfcc09ddSBjoern A. Zeeb * the firmware uses u8 for num of iterations, but 0xff is saved for 606bfcc09ddSBjoern A. Zeeb * infinite loop, so the maximum number of iterations is actually 254. 607bfcc09ddSBjoern A. Zeeb */ 608bfcc09ddSBjoern A. Zeeb hw->wiphy->max_sched_scan_plan_iterations = 254; 609bfcc09ddSBjoern A. Zeeb 610bfcc09ddSBjoern A. Zeeb hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | 611bfcc09ddSBjoern A. Zeeb NL80211_FEATURE_LOW_PRIORITY_SCAN | 612bfcc09ddSBjoern A. Zeeb NL80211_FEATURE_P2P_GO_OPPPS | 613bfcc09ddSBjoern A. Zeeb NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 614bfcc09ddSBjoern A. Zeeb NL80211_FEATURE_DYNAMIC_SMPS | 615bfcc09ddSBjoern A. Zeeb NL80211_FEATURE_STATIC_SMPS | 616bfcc09ddSBjoern A. Zeeb NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; 617bfcc09ddSBjoern A. Zeeb 618bfcc09ddSBjoern A. Zeeb if (fw_has_capa(&mvm->fw->ucode_capa, 619bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) 620bfcc09ddSBjoern A. Zeeb hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; 621bfcc09ddSBjoern A. Zeeb if (fw_has_capa(&mvm->fw->ucode_capa, 622bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) 623bfcc09ddSBjoern A. Zeeb hw->wiphy->features |= NL80211_FEATURE_QUIET; 624bfcc09ddSBjoern A. Zeeb 625bfcc09ddSBjoern A. Zeeb if (fw_has_capa(&mvm->fw->ucode_capa, 626bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) 627bfcc09ddSBjoern A. Zeeb hw->wiphy->features |= 628bfcc09ddSBjoern A. Zeeb NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; 629bfcc09ddSBjoern A. Zeeb 630bfcc09ddSBjoern A. Zeeb if (fw_has_capa(&mvm->fw->ucode_capa, 631bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) 632bfcc09ddSBjoern A. Zeeb hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; 633bfcc09ddSBjoern A. Zeeb 634bfcc09ddSBjoern A. Zeeb if (iwl_fw_lookup_cmd_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP, 635bfcc09ddSBjoern A. Zeeb WOWLAN_KEK_KCK_MATERIAL, 636bfcc09ddSBjoern A. Zeeb IWL_FW_CMD_VER_UNKNOWN) == 3) 637bfcc09ddSBjoern A. Zeeb hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK; 638bfcc09ddSBjoern A. Zeeb 639bfcc09ddSBjoern A. Zeeb if (fw_has_api(&mvm->fw->ucode_capa, 640bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { 641bfcc09ddSBjoern A. Zeeb wiphy_ext_feature_set(hw->wiphy, 642bfcc09ddSBjoern A. Zeeb NL80211_EXT_FEATURE_SCAN_START_TIME); 643bfcc09ddSBjoern A. Zeeb wiphy_ext_feature_set(hw->wiphy, 644bfcc09ddSBjoern A. Zeeb NL80211_EXT_FEATURE_BSS_PARENT_TSF); 645bfcc09ddSBjoern A. Zeeb } 646bfcc09ddSBjoern A. Zeeb 647bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_oce_supported(mvm)) { 648bfcc09ddSBjoern A. Zeeb wiphy_ext_feature_set(hw->wiphy, 649bfcc09ddSBjoern A. Zeeb NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP); 650bfcc09ddSBjoern A. Zeeb wiphy_ext_feature_set(hw->wiphy, 651bfcc09ddSBjoern A. Zeeb NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME); 652bfcc09ddSBjoern A. Zeeb wiphy_ext_feature_set(hw->wiphy, 653bfcc09ddSBjoern A. Zeeb NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION); 654bfcc09ddSBjoern A. Zeeb wiphy_ext_feature_set(hw->wiphy, 655bfcc09ddSBjoern A. Zeeb NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE); 656bfcc09ddSBjoern A. Zeeb } 657bfcc09ddSBjoern A. Zeeb 658bfcc09ddSBjoern A. Zeeb if (mvm->nvm_data->sku_cap_11ax_enable && 659bfcc09ddSBjoern A. Zeeb !iwlwifi_mod_params.disable_11ax) { 660bfcc09ddSBjoern A. Zeeb hw->wiphy->iftype_ext_capab = he_iftypes_ext_capa; 661bfcc09ddSBjoern A. Zeeb hw->wiphy->num_iftype_ext_capab = 662bfcc09ddSBjoern A. Zeeb ARRAY_SIZE(he_iftypes_ext_capa); 663bfcc09ddSBjoern A. Zeeb 664bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); 665bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID); 666bfcc09ddSBjoern A. Zeeb } 667bfcc09ddSBjoern A. Zeeb 668bfcc09ddSBjoern A. Zeeb mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; 669bfcc09ddSBjoern A. Zeeb 670bfcc09ddSBjoern A. Zeeb #ifdef CONFIG_PM_SLEEP 671bfcc09ddSBjoern A. Zeeb if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) && 672bfcc09ddSBjoern A. Zeeb mvm->trans->ops->d3_suspend && 673bfcc09ddSBjoern A. Zeeb mvm->trans->ops->d3_resume && 674bfcc09ddSBjoern A. Zeeb device_can_wakeup(mvm->trans->dev)) { 675bfcc09ddSBjoern A. Zeeb mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | 676bfcc09ddSBjoern A. Zeeb WIPHY_WOWLAN_DISCONNECT | 677bfcc09ddSBjoern A. Zeeb WIPHY_WOWLAN_EAP_IDENTITY_REQ | 678bfcc09ddSBjoern A. Zeeb WIPHY_WOWLAN_RFKILL_RELEASE | 679bfcc09ddSBjoern A. Zeeb WIPHY_WOWLAN_NET_DETECT; 680bfcc09ddSBjoern A. Zeeb mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 681bfcc09ddSBjoern A. Zeeb WIPHY_WOWLAN_GTK_REKEY_FAILURE | 682bfcc09ddSBjoern A. Zeeb WIPHY_WOWLAN_4WAY_HANDSHAKE; 683bfcc09ddSBjoern A. Zeeb 684bfcc09ddSBjoern A. Zeeb mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; 685bfcc09ddSBjoern A. Zeeb mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; 686bfcc09ddSBjoern A. Zeeb mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; 687bfcc09ddSBjoern A. Zeeb mvm->wowlan.max_nd_match_sets = 688bfcc09ddSBjoern A. Zeeb iwl_umac_scan_get_max_profiles(mvm->fw); 689bfcc09ddSBjoern A. Zeeb hw->wiphy->wowlan = &mvm->wowlan; 690bfcc09ddSBjoern A. Zeeb } 691bfcc09ddSBjoern A. Zeeb #endif 692bfcc09ddSBjoern A. Zeeb 693bfcc09ddSBjoern A. Zeeb #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 694bfcc09ddSBjoern A. Zeeb /* assign default bcast filtering configuration */ 695bfcc09ddSBjoern A. Zeeb mvm->bcast_filters = iwl_mvm_default_bcast_filters; 696bfcc09ddSBjoern A. Zeeb #endif 697bfcc09ddSBjoern A. Zeeb 698bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_leds_init(mvm); 699bfcc09ddSBjoern A. Zeeb if (ret) 700bfcc09ddSBjoern A. Zeeb return ret; 701bfcc09ddSBjoern A. Zeeb 702bfcc09ddSBjoern A. Zeeb if (fw_has_capa(&mvm->fw->ucode_capa, 703bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { 704bfcc09ddSBjoern A. Zeeb IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); 705bfcc09ddSBjoern A. Zeeb hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 706bfcc09ddSBjoern A. Zeeb ieee80211_hw_set(hw, TDLS_WIDER_BW); 707bfcc09ddSBjoern A. Zeeb } 708bfcc09ddSBjoern A. Zeeb 709bfcc09ddSBjoern A. Zeeb if (fw_has_capa(&mvm->fw->ucode_capa, 710bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { 711bfcc09ddSBjoern A. Zeeb IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); 712bfcc09ddSBjoern A. Zeeb hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 713bfcc09ddSBjoern A. Zeeb } 714bfcc09ddSBjoern A. Zeeb 715bfcc09ddSBjoern A. Zeeb hw->netdev_features |= mvm->cfg->features; 716bfcc09ddSBjoern A. Zeeb if (!iwl_mvm_is_csum_supported(mvm)) 717bfcc09ddSBjoern A. Zeeb hw->netdev_features &= ~(IWL_TX_CSUM_NETIF_FLAGS | 718bfcc09ddSBjoern A. Zeeb NETIF_F_RXCSUM); 719bfcc09ddSBjoern A. Zeeb 720bfcc09ddSBjoern A. Zeeb if (mvm->cfg->vht_mu_mimo_supported) 721bfcc09ddSBjoern A. Zeeb wiphy_ext_feature_set(hw->wiphy, 722bfcc09ddSBjoern A. Zeeb NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); 723bfcc09ddSBjoern A. Zeeb 724bfcc09ddSBjoern A. Zeeb if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_PROTECTED_TWT)) 725bfcc09ddSBjoern A. Zeeb wiphy_ext_feature_set(hw->wiphy, 726bfcc09ddSBjoern A. Zeeb NL80211_EXT_FEATURE_PROTECTED_TWT); 727bfcc09ddSBjoern A. Zeeb 728bfcc09ddSBjoern A. Zeeb hw->wiphy->available_antennas_tx = iwl_mvm_get_valid_tx_ant(mvm); 729bfcc09ddSBjoern A. Zeeb hw->wiphy->available_antennas_rx = iwl_mvm_get_valid_rx_ant(mvm); 730bfcc09ddSBjoern A. Zeeb 731bfcc09ddSBjoern A. Zeeb ret = ieee80211_register_hw(mvm->hw); 732bfcc09ddSBjoern A. Zeeb if (ret) { 733bfcc09ddSBjoern A. Zeeb iwl_mvm_leds_exit(mvm); 734bfcc09ddSBjoern A. Zeeb } 735bfcc09ddSBjoern A. Zeeb 736bfcc09ddSBjoern A. Zeeb return ret; 737bfcc09ddSBjoern A. Zeeb } 738bfcc09ddSBjoern A. Zeeb 739bfcc09ddSBjoern A. Zeeb static void iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, 740bfcc09ddSBjoern A. Zeeb struct ieee80211_sta *sta) 741bfcc09ddSBjoern A. Zeeb { 742bfcc09ddSBjoern A. Zeeb if (likely(sta)) { 743bfcc09ddSBjoern A. Zeeb if (likely(iwl_mvm_tx_skb_sta(mvm, skb, sta) == 0)) 744bfcc09ddSBjoern A. Zeeb return; 745bfcc09ddSBjoern A. Zeeb } else { 746bfcc09ddSBjoern A. Zeeb if (likely(iwl_mvm_tx_skb_non_sta(mvm, skb) == 0)) 747bfcc09ddSBjoern A. Zeeb return; 748bfcc09ddSBjoern A. Zeeb } 749bfcc09ddSBjoern A. Zeeb 750bfcc09ddSBjoern A. Zeeb ieee80211_free_txskb(mvm->hw, skb); 751bfcc09ddSBjoern A. Zeeb } 752bfcc09ddSBjoern A. Zeeb 753bfcc09ddSBjoern A. Zeeb static void iwl_mvm_mac_tx(struct ieee80211_hw *hw, 754bfcc09ddSBjoern A. Zeeb struct ieee80211_tx_control *control, 755bfcc09ddSBjoern A. Zeeb struct sk_buff *skb) 756bfcc09ddSBjoern A. Zeeb { 757bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 758bfcc09ddSBjoern A. Zeeb struct ieee80211_sta *sta = control->sta; 759bfcc09ddSBjoern A. Zeeb struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 760bfcc09ddSBjoern A. Zeeb struct ieee80211_hdr *hdr = (void *)skb->data; 761bfcc09ddSBjoern A. Zeeb bool offchannel = IEEE80211_SKB_CB(skb)->flags & 762bfcc09ddSBjoern A. Zeeb IEEE80211_TX_CTL_TX_OFFCHAN; 763bfcc09ddSBjoern A. Zeeb 764bfcc09ddSBjoern A. Zeeb if (iwl_mvm_is_radio_killed(mvm)) { 765bfcc09ddSBjoern A. Zeeb IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); 766bfcc09ddSBjoern A. Zeeb goto drop; 767bfcc09ddSBjoern A. Zeeb } 768bfcc09ddSBjoern A. Zeeb 769bfcc09ddSBjoern A. Zeeb if (offchannel && 770bfcc09ddSBjoern A. Zeeb !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) && 771bfcc09ddSBjoern A. Zeeb !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) 772bfcc09ddSBjoern A. Zeeb goto drop; 773bfcc09ddSBjoern A. Zeeb 774bfcc09ddSBjoern A. Zeeb /* 775bfcc09ddSBjoern A. Zeeb * bufferable MMPDUs or MMPDUs on STA interfaces come via TXQs 776bfcc09ddSBjoern A. Zeeb * so we treat the others as broadcast 777bfcc09ddSBjoern A. Zeeb */ 778bfcc09ddSBjoern A. Zeeb if (ieee80211_is_mgmt(hdr->frame_control)) 779bfcc09ddSBjoern A. Zeeb sta = NULL; 780bfcc09ddSBjoern A. Zeeb 781bfcc09ddSBjoern A. Zeeb /* If there is no sta, and it's not offchannel - send through AP */ 782bfcc09ddSBjoern A. Zeeb if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION && 783bfcc09ddSBjoern A. Zeeb !offchannel) { 784bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = 785bfcc09ddSBjoern A. Zeeb iwl_mvm_vif_from_mac80211(info->control.vif); 786bfcc09ddSBjoern A. Zeeb u8 ap_sta_id = READ_ONCE(mvmvif->ap_sta_id); 787bfcc09ddSBjoern A. Zeeb 788bfcc09ddSBjoern A. Zeeb if (ap_sta_id < mvm->fw->ucode_capa.num_stations) { 789bfcc09ddSBjoern A. Zeeb /* mac80211 holds rcu read lock */ 790bfcc09ddSBjoern A. Zeeb sta = rcu_dereference(mvm->fw_id_to_mac_id[ap_sta_id]); 791bfcc09ddSBjoern A. Zeeb if (IS_ERR_OR_NULL(sta)) 792bfcc09ddSBjoern A. Zeeb goto drop; 793bfcc09ddSBjoern A. Zeeb } 794bfcc09ddSBjoern A. Zeeb } 795bfcc09ddSBjoern A. Zeeb 796bfcc09ddSBjoern A. Zeeb iwl_mvm_tx_skb(mvm, skb, sta); 797bfcc09ddSBjoern A. Zeeb return; 798bfcc09ddSBjoern A. Zeeb drop: 799bfcc09ddSBjoern A. Zeeb ieee80211_free_txskb(hw, skb); 800bfcc09ddSBjoern A. Zeeb } 801bfcc09ddSBjoern A. Zeeb 802bfcc09ddSBjoern A. Zeeb void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq) 803bfcc09ddSBjoern A. Zeeb { 804bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 805bfcc09ddSBjoern A. Zeeb struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 806bfcc09ddSBjoern A. Zeeb struct sk_buff *skb = NULL; 807bfcc09ddSBjoern A. Zeeb 808bfcc09ddSBjoern A. Zeeb /* 809bfcc09ddSBjoern A. Zeeb * No need for threads to be pending here, they can leave the first 810bfcc09ddSBjoern A. Zeeb * taker all the work. 811bfcc09ddSBjoern A. Zeeb * 812bfcc09ddSBjoern A. Zeeb * mvmtxq->tx_request logic: 813bfcc09ddSBjoern A. Zeeb * 814bfcc09ddSBjoern A. Zeeb * If 0, no one is currently TXing, set to 1 to indicate current thread 815bfcc09ddSBjoern A. Zeeb * will now start TX and other threads should quit. 816bfcc09ddSBjoern A. Zeeb * 817bfcc09ddSBjoern A. Zeeb * If 1, another thread is currently TXing, set to 2 to indicate to 818bfcc09ddSBjoern A. Zeeb * that thread that there was another request. Since that request may 819bfcc09ddSBjoern A. Zeeb * have raced with the check whether the queue is empty, the TXing 820bfcc09ddSBjoern A. Zeeb * thread should check the queue's status one more time before leaving. 821bfcc09ddSBjoern A. Zeeb * This check is done in order to not leave any TX hanging in the queue 822bfcc09ddSBjoern A. Zeeb * until the next TX invocation (which may not even happen). 823bfcc09ddSBjoern A. Zeeb * 824bfcc09ddSBjoern A. Zeeb * If 2, another thread is currently TXing, and it will already double 825bfcc09ddSBjoern A. Zeeb * check the queue, so do nothing. 826bfcc09ddSBjoern A. Zeeb */ 827bfcc09ddSBjoern A. Zeeb if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2)) 828bfcc09ddSBjoern A. Zeeb return; 829bfcc09ddSBjoern A. Zeeb 830bfcc09ddSBjoern A. Zeeb rcu_read_lock(); 831bfcc09ddSBjoern A. Zeeb do { 832bfcc09ddSBjoern A. Zeeb while (likely(!mvmtxq->stopped && 833bfcc09ddSBjoern A. Zeeb !test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))) { 834bfcc09ddSBjoern A. Zeeb skb = ieee80211_tx_dequeue(hw, txq); 835bfcc09ddSBjoern A. Zeeb 836bfcc09ddSBjoern A. Zeeb if (!skb) { 837bfcc09ddSBjoern A. Zeeb if (txq->sta) 838bfcc09ddSBjoern A. Zeeb IWL_DEBUG_TX(mvm, 839bfcc09ddSBjoern A. Zeeb "TXQ of sta %pM tid %d is now empty\n", 840bfcc09ddSBjoern A. Zeeb txq->sta->addr, 841bfcc09ddSBjoern A. Zeeb txq->tid); 842bfcc09ddSBjoern A. Zeeb break; 843bfcc09ddSBjoern A. Zeeb } 844bfcc09ddSBjoern A. Zeeb 845bfcc09ddSBjoern A. Zeeb iwl_mvm_tx_skb(mvm, skb, txq->sta); 846bfcc09ddSBjoern A. Zeeb } 847bfcc09ddSBjoern A. Zeeb } while (atomic_dec_return(&mvmtxq->tx_request)); 848bfcc09ddSBjoern A. Zeeb rcu_read_unlock(); 849bfcc09ddSBjoern A. Zeeb } 850bfcc09ddSBjoern A. Zeeb 851bfcc09ddSBjoern A. Zeeb static void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw, 852bfcc09ddSBjoern A. Zeeb struct ieee80211_txq *txq) 853bfcc09ddSBjoern A. Zeeb { 854bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 855bfcc09ddSBjoern A. Zeeb struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 856bfcc09ddSBjoern A. Zeeb 857bfcc09ddSBjoern A. Zeeb /* 858bfcc09ddSBjoern A. Zeeb * Please note that racing is handled very carefully here: 859bfcc09ddSBjoern A. Zeeb * mvmtxq->txq_id is updated during allocation, and mvmtxq->list is 860bfcc09ddSBjoern A. Zeeb * deleted afterwards. 861bfcc09ddSBjoern A. Zeeb * This means that if: 862bfcc09ddSBjoern A. Zeeb * mvmtxq->txq_id != INVALID_QUEUE && list_empty(&mvmtxq->list): 863bfcc09ddSBjoern A. Zeeb * queue is allocated and we can TX. 864bfcc09ddSBjoern A. Zeeb * mvmtxq->txq_id != INVALID_QUEUE && !list_empty(&mvmtxq->list): 865bfcc09ddSBjoern A. Zeeb * a race, should defer the frame. 866bfcc09ddSBjoern A. Zeeb * mvmtxq->txq_id == INVALID_QUEUE && list_empty(&mvmtxq->list): 867bfcc09ddSBjoern A. Zeeb * need to allocate the queue and defer the frame. 868bfcc09ddSBjoern A. Zeeb * mvmtxq->txq_id == INVALID_QUEUE && !list_empty(&mvmtxq->list): 869bfcc09ddSBjoern A. Zeeb * queue is already scheduled for allocation, no need to allocate, 870bfcc09ddSBjoern A. Zeeb * should defer the frame. 871bfcc09ddSBjoern A. Zeeb */ 872bfcc09ddSBjoern A. Zeeb 873bfcc09ddSBjoern A. Zeeb /* If the queue is allocated TX and return. */ 874bfcc09ddSBjoern A. Zeeb if (!txq->sta || mvmtxq->txq_id != IWL_MVM_INVALID_QUEUE) { 875bfcc09ddSBjoern A. Zeeb /* 876bfcc09ddSBjoern A. Zeeb * Check that list is empty to avoid a race where txq_id is 877bfcc09ddSBjoern A. Zeeb * already updated, but the queue allocation work wasn't 878bfcc09ddSBjoern A. Zeeb * finished 879bfcc09ddSBjoern A. Zeeb */ 880bfcc09ddSBjoern A. Zeeb if (unlikely(txq->sta && !list_empty(&mvmtxq->list))) 881bfcc09ddSBjoern A. Zeeb return; 882bfcc09ddSBjoern A. Zeeb 883bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_itxq_xmit(hw, txq); 884bfcc09ddSBjoern A. Zeeb return; 885bfcc09ddSBjoern A. Zeeb } 886bfcc09ddSBjoern A. Zeeb 887bfcc09ddSBjoern A. Zeeb /* The list is being deleted only after the queue is fully allocated. */ 888bfcc09ddSBjoern A. Zeeb if (!list_empty(&mvmtxq->list)) 889bfcc09ddSBjoern A. Zeeb return; 890bfcc09ddSBjoern A. Zeeb 891bfcc09ddSBjoern A. Zeeb list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs); 892bfcc09ddSBjoern A. Zeeb schedule_work(&mvm->add_stream_wk); 893bfcc09ddSBjoern A. Zeeb } 894bfcc09ddSBjoern A. Zeeb 895bfcc09ddSBjoern A. Zeeb #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ 896bfcc09ddSBjoern A. Zeeb do { \ 897bfcc09ddSBjoern A. Zeeb if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ 898bfcc09ddSBjoern A. Zeeb break; \ 899bfcc09ddSBjoern A. Zeeb iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ 900bfcc09ddSBjoern A. Zeeb } while (0) 901bfcc09ddSBjoern A. Zeeb 902bfcc09ddSBjoern A. Zeeb static void 903bfcc09ddSBjoern A. Zeeb iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 904bfcc09ddSBjoern A. Zeeb struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, 905bfcc09ddSBjoern A. Zeeb enum ieee80211_ampdu_mlme_action action) 906bfcc09ddSBjoern A. Zeeb { 907bfcc09ddSBjoern A. Zeeb struct iwl_fw_dbg_trigger_tlv *trig; 908bfcc09ddSBjoern A. Zeeb struct iwl_fw_dbg_trigger_ba *ba_trig; 909bfcc09ddSBjoern A. Zeeb 910bfcc09ddSBjoern A. Zeeb trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 911bfcc09ddSBjoern A. Zeeb FW_DBG_TRIGGER_BA); 912bfcc09ddSBjoern A. Zeeb if (!trig) 913bfcc09ddSBjoern A. Zeeb return; 914bfcc09ddSBjoern A. Zeeb 915bfcc09ddSBjoern A. Zeeb ba_trig = (void *)trig->data; 916bfcc09ddSBjoern A. Zeeb 917bfcc09ddSBjoern A. Zeeb switch (action) { 918bfcc09ddSBjoern A. Zeeb case IEEE80211_AMPDU_TX_OPERATIONAL: { 919bfcc09ddSBjoern A. Zeeb struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 920bfcc09ddSBjoern A. Zeeb struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 921bfcc09ddSBjoern A. Zeeb 922bfcc09ddSBjoern A. Zeeb CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, 923bfcc09ddSBjoern A. Zeeb "TX AGG START: MAC %pM tid %d ssn %d\n", 924bfcc09ddSBjoern A. Zeeb sta->addr, tid, tid_data->ssn); 925bfcc09ddSBjoern A. Zeeb break; 926bfcc09ddSBjoern A. Zeeb } 927bfcc09ddSBjoern A. Zeeb case IEEE80211_AMPDU_TX_STOP_CONT: 928bfcc09ddSBjoern A. Zeeb CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, 929bfcc09ddSBjoern A. Zeeb "TX AGG STOP: MAC %pM tid %d\n", 930bfcc09ddSBjoern A. Zeeb sta->addr, tid); 931bfcc09ddSBjoern A. Zeeb break; 932bfcc09ddSBjoern A. Zeeb case IEEE80211_AMPDU_RX_START: 933bfcc09ddSBjoern A. Zeeb CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, 934bfcc09ddSBjoern A. Zeeb "RX AGG START: MAC %pM tid %d ssn %d\n", 935bfcc09ddSBjoern A. Zeeb sta->addr, tid, rx_ba_ssn); 936bfcc09ddSBjoern A. Zeeb break; 937bfcc09ddSBjoern A. Zeeb case IEEE80211_AMPDU_RX_STOP: 938bfcc09ddSBjoern A. Zeeb CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, 939bfcc09ddSBjoern A. Zeeb "RX AGG STOP: MAC %pM tid %d\n", 940bfcc09ddSBjoern A. Zeeb sta->addr, tid); 941bfcc09ddSBjoern A. Zeeb break; 942bfcc09ddSBjoern A. Zeeb default: 943bfcc09ddSBjoern A. Zeeb break; 944bfcc09ddSBjoern A. Zeeb } 945bfcc09ddSBjoern A. Zeeb } 946bfcc09ddSBjoern A. Zeeb 947bfcc09ddSBjoern A. Zeeb static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, 948bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 949bfcc09ddSBjoern A. Zeeb struct ieee80211_ampdu_params *params) 950bfcc09ddSBjoern A. Zeeb { 951bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 952bfcc09ddSBjoern A. Zeeb int ret; 953bfcc09ddSBjoern A. Zeeb struct ieee80211_sta *sta = params->sta; 954bfcc09ddSBjoern A. Zeeb enum ieee80211_ampdu_mlme_action action = params->action; 955bfcc09ddSBjoern A. Zeeb u16 tid = params->tid; 956bfcc09ddSBjoern A. Zeeb u16 *ssn = ¶ms->ssn; 957bfcc09ddSBjoern A. Zeeb u16 buf_size = params->buf_size; 958bfcc09ddSBjoern A. Zeeb bool amsdu = params->amsdu; 959bfcc09ddSBjoern A. Zeeb u16 timeout = params->timeout; 960bfcc09ddSBjoern A. Zeeb 961bfcc09ddSBjoern A. Zeeb IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", 962bfcc09ddSBjoern A. Zeeb sta->addr, tid, action); 963bfcc09ddSBjoern A. Zeeb 964bfcc09ddSBjoern A. Zeeb if (!(mvm->nvm_data->sku_cap_11n_enable)) 965bfcc09ddSBjoern A. Zeeb return -EACCES; 966bfcc09ddSBjoern A. Zeeb 967bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 968bfcc09ddSBjoern A. Zeeb 969bfcc09ddSBjoern A. Zeeb switch (action) { 970bfcc09ddSBjoern A. Zeeb case IEEE80211_AMPDU_RX_START: 971bfcc09ddSBjoern A. Zeeb if (iwl_mvm_vif_from_mac80211(vif)->ap_sta_id == 972bfcc09ddSBjoern A. Zeeb iwl_mvm_sta_from_mac80211(sta)->sta_id) { 973bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif; 974bfcc09ddSBjoern A. Zeeb u16 macid = iwl_mvm_vif_from_mac80211(vif)->id; 975bfcc09ddSBjoern A. Zeeb struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid]; 976bfcc09ddSBjoern A. Zeeb 977bfcc09ddSBjoern A. Zeeb mdata->opened_rx_ba_sessions = true; 978bfcc09ddSBjoern A. Zeeb mvmvif = iwl_mvm_vif_from_mac80211(vif); 979bfcc09ddSBjoern A. Zeeb cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk); 980bfcc09ddSBjoern A. Zeeb } 981bfcc09ddSBjoern A. Zeeb if (!iwl_enable_rx_ampdu()) { 982bfcc09ddSBjoern A. Zeeb ret = -EINVAL; 983bfcc09ddSBjoern A. Zeeb break; 984bfcc09ddSBjoern A. Zeeb } 985bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, 986bfcc09ddSBjoern A. Zeeb timeout); 987bfcc09ddSBjoern A. Zeeb break; 988bfcc09ddSBjoern A. Zeeb case IEEE80211_AMPDU_RX_STOP: 989bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, 990bfcc09ddSBjoern A. Zeeb timeout); 991bfcc09ddSBjoern A. Zeeb break; 992bfcc09ddSBjoern A. Zeeb case IEEE80211_AMPDU_TX_START: 993bfcc09ddSBjoern A. Zeeb if (!iwl_enable_tx_ampdu()) { 994bfcc09ddSBjoern A. Zeeb ret = -EINVAL; 995bfcc09ddSBjoern A. Zeeb break; 996bfcc09ddSBjoern A. Zeeb } 997bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); 998bfcc09ddSBjoern A. Zeeb break; 999bfcc09ddSBjoern A. Zeeb case IEEE80211_AMPDU_TX_STOP_CONT: 1000bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); 1001bfcc09ddSBjoern A. Zeeb break; 1002bfcc09ddSBjoern A. Zeeb case IEEE80211_AMPDU_TX_STOP_FLUSH: 1003bfcc09ddSBjoern A. Zeeb case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1004bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); 1005bfcc09ddSBjoern A. Zeeb break; 1006bfcc09ddSBjoern A. Zeeb case IEEE80211_AMPDU_TX_OPERATIONAL: 1007bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, 1008bfcc09ddSBjoern A. Zeeb buf_size, amsdu); 1009bfcc09ddSBjoern A. Zeeb break; 1010bfcc09ddSBjoern A. Zeeb default: 1011bfcc09ddSBjoern A. Zeeb WARN_ON_ONCE(1); 1012bfcc09ddSBjoern A. Zeeb ret = -EINVAL; 1013bfcc09ddSBjoern A. Zeeb break; 1014bfcc09ddSBjoern A. Zeeb } 1015bfcc09ddSBjoern A. Zeeb 1016bfcc09ddSBjoern A. Zeeb if (!ret) { 1017bfcc09ddSBjoern A. Zeeb u16 rx_ba_ssn = 0; 1018bfcc09ddSBjoern A. Zeeb 1019bfcc09ddSBjoern A. Zeeb if (action == IEEE80211_AMPDU_RX_START) 1020bfcc09ddSBjoern A. Zeeb rx_ba_ssn = *ssn; 1021bfcc09ddSBjoern A. Zeeb 1022bfcc09ddSBjoern A. Zeeb iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, 1023bfcc09ddSBjoern A. Zeeb rx_ba_ssn, action); 1024bfcc09ddSBjoern A. Zeeb } 1025bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 1026bfcc09ddSBjoern A. Zeeb 1027bfcc09ddSBjoern A. Zeeb return ret; 1028bfcc09ddSBjoern A. Zeeb } 1029bfcc09ddSBjoern A. Zeeb 1030bfcc09ddSBjoern A. Zeeb static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, 1031bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 1032bfcc09ddSBjoern A. Zeeb { 1033bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = data; 1034bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1035bfcc09ddSBjoern A. Zeeb 1036bfcc09ddSBjoern A. Zeeb mvmvif->uploaded = false; 1037bfcc09ddSBjoern A. Zeeb mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; 1038bfcc09ddSBjoern A. Zeeb 1039bfcc09ddSBjoern A. Zeeb spin_lock_bh(&mvm->time_event_lock); 1040bfcc09ddSBjoern A. Zeeb iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); 1041bfcc09ddSBjoern A. Zeeb spin_unlock_bh(&mvm->time_event_lock); 1042bfcc09ddSBjoern A. Zeeb 1043bfcc09ddSBjoern A. Zeeb mvmvif->phy_ctxt = NULL; 1044bfcc09ddSBjoern A. Zeeb memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data)); 1045bfcc09ddSBjoern A. Zeeb memset(&mvmvif->probe_resp_data, 0, sizeof(mvmvif->probe_resp_data)); 1046bfcc09ddSBjoern A. Zeeb } 1047bfcc09ddSBjoern A. Zeeb 1048bfcc09ddSBjoern A. Zeeb static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) 1049bfcc09ddSBjoern A. Zeeb { 1050bfcc09ddSBjoern A. Zeeb iwl_mvm_stop_device(mvm); 1051bfcc09ddSBjoern A. Zeeb 1052bfcc09ddSBjoern A. Zeeb mvm->cur_aid = 0; 1053bfcc09ddSBjoern A. Zeeb 1054bfcc09ddSBjoern A. Zeeb mvm->scan_status = 0; 1055bfcc09ddSBjoern A. Zeeb mvm->ps_disabled = false; 1056bfcc09ddSBjoern A. Zeeb mvm->rfkill_safe_init_done = false; 1057bfcc09ddSBjoern A. Zeeb 1058bfcc09ddSBjoern A. Zeeb /* just in case one was running */ 1059bfcc09ddSBjoern A. Zeeb iwl_mvm_cleanup_roc_te(mvm); 1060bfcc09ddSBjoern A. Zeeb ieee80211_remain_on_channel_expired(mvm->hw); 1061bfcc09ddSBjoern A. Zeeb 1062bfcc09ddSBjoern A. Zeeb iwl_mvm_ftm_restart(mvm); 1063bfcc09ddSBjoern A. Zeeb 1064bfcc09ddSBjoern A. Zeeb /* 1065bfcc09ddSBjoern A. Zeeb * cleanup all interfaces, even inactive ones, as some might have 1066bfcc09ddSBjoern A. Zeeb * gone down during the HW restart 1067bfcc09ddSBjoern A. Zeeb */ 1068bfcc09ddSBjoern A. Zeeb ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); 1069bfcc09ddSBjoern A. Zeeb 1070bfcc09ddSBjoern A. Zeeb mvm->p2p_device_vif = NULL; 1071bfcc09ddSBjoern A. Zeeb 1072bfcc09ddSBjoern A. Zeeb iwl_mvm_reset_phy_ctxts(mvm); 1073bfcc09ddSBjoern A. Zeeb memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); 1074bfcc09ddSBjoern A. Zeeb memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); 1075bfcc09ddSBjoern A. Zeeb memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); 1076bfcc09ddSBjoern A. Zeeb 1077bfcc09ddSBjoern A. Zeeb ieee80211_wake_queues(mvm->hw); 1078bfcc09ddSBjoern A. Zeeb 1079bfcc09ddSBjoern A. Zeeb mvm->vif_count = 0; 1080bfcc09ddSBjoern A. Zeeb mvm->rx_ba_sessions = 0; 1081bfcc09ddSBjoern A. Zeeb mvm->fwrt.dump.conf = FW_DBG_INVALID; 1082bfcc09ddSBjoern A. Zeeb mvm->monitor_on = false; 1083bfcc09ddSBjoern A. Zeeb 1084bfcc09ddSBjoern A. Zeeb /* keep statistics ticking */ 1085bfcc09ddSBjoern A. Zeeb iwl_mvm_accu_radio_stats(mvm); 1086bfcc09ddSBjoern A. Zeeb } 1087bfcc09ddSBjoern A. Zeeb 1088bfcc09ddSBjoern A. Zeeb int __iwl_mvm_mac_start(struct iwl_mvm *mvm) 1089bfcc09ddSBjoern A. Zeeb { 1090bfcc09ddSBjoern A. Zeeb int ret; 1091bfcc09ddSBjoern A. Zeeb 1092bfcc09ddSBjoern A. Zeeb lockdep_assert_held(&mvm->mutex); 1093bfcc09ddSBjoern A. Zeeb 1094bfcc09ddSBjoern A. Zeeb if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { 1095bfcc09ddSBjoern A. Zeeb /* 1096bfcc09ddSBjoern A. Zeeb * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART 1097bfcc09ddSBjoern A. Zeeb * so later code will - from now on - see that we're doing it. 1098bfcc09ddSBjoern A. Zeeb */ 1099bfcc09ddSBjoern A. Zeeb set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1100bfcc09ddSBjoern A. Zeeb clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1101bfcc09ddSBjoern A. Zeeb /* Clean up some internal and mac80211 state on restart */ 1102bfcc09ddSBjoern A. Zeeb iwl_mvm_restart_cleanup(mvm); 1103bfcc09ddSBjoern A. Zeeb } 1104bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_up(mvm); 1105bfcc09ddSBjoern A. Zeeb 1106bfcc09ddSBjoern A. Zeeb iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_POST_INIT, 1107bfcc09ddSBjoern A. Zeeb NULL); 1108bfcc09ddSBjoern A. Zeeb iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_PERIODIC, 1109bfcc09ddSBjoern A. Zeeb NULL); 1110bfcc09ddSBjoern A. Zeeb 1111bfcc09ddSBjoern A. Zeeb mvm->last_reset_or_resume_time_jiffies = jiffies; 1112bfcc09ddSBjoern A. Zeeb 1113bfcc09ddSBjoern A. Zeeb if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1114bfcc09ddSBjoern A. Zeeb /* Something went wrong - we need to finish some cleanup 1115bfcc09ddSBjoern A. Zeeb * that normally iwl_mvm_mac_restart_complete() below 1116bfcc09ddSBjoern A. Zeeb * would do. 1117bfcc09ddSBjoern A. Zeeb */ 1118bfcc09ddSBjoern A. Zeeb clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1119bfcc09ddSBjoern A. Zeeb } 1120bfcc09ddSBjoern A. Zeeb 1121bfcc09ddSBjoern A. Zeeb return ret; 1122bfcc09ddSBjoern A. Zeeb } 1123bfcc09ddSBjoern A. Zeeb 1124bfcc09ddSBjoern A. Zeeb static int iwl_mvm_mac_start(struct ieee80211_hw *hw) 1125bfcc09ddSBjoern A. Zeeb { 1126bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1127bfcc09ddSBjoern A. Zeeb int ret; 1128bfcc09ddSBjoern A. Zeeb 1129bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 1130bfcc09ddSBjoern A. Zeeb ret = __iwl_mvm_mac_start(mvm); 1131bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 1132bfcc09ddSBjoern A. Zeeb 1133bfcc09ddSBjoern A. Zeeb return ret; 1134bfcc09ddSBjoern A. Zeeb } 1135bfcc09ddSBjoern A. Zeeb 1136bfcc09ddSBjoern A. Zeeb static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 1137bfcc09ddSBjoern A. Zeeb { 1138bfcc09ddSBjoern A. Zeeb int ret; 1139bfcc09ddSBjoern A. Zeeb 1140bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 1141bfcc09ddSBjoern A. Zeeb 1142bfcc09ddSBjoern A. Zeeb clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1143bfcc09ddSBjoern A. Zeeb 1144bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_update_quotas(mvm, true, NULL); 1145bfcc09ddSBjoern A. Zeeb if (ret) 1146bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", 1147bfcc09ddSBjoern A. Zeeb ret); 1148bfcc09ddSBjoern A. Zeeb 1149bfcc09ddSBjoern A. Zeeb iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY); 1150bfcc09ddSBjoern A. Zeeb 1151bfcc09ddSBjoern A. Zeeb /* 1152bfcc09ddSBjoern A. Zeeb * If we have TDLS peers, remove them. We don't know the last seqno/PN 1153bfcc09ddSBjoern A. Zeeb * of packets the FW sent out, so we must reconnect. 1154bfcc09ddSBjoern A. Zeeb */ 1155bfcc09ddSBjoern A. Zeeb iwl_mvm_teardown_tdls_peers(mvm); 1156bfcc09ddSBjoern A. Zeeb 1157bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 1158bfcc09ddSBjoern A. Zeeb } 1159bfcc09ddSBjoern A. Zeeb 1160bfcc09ddSBjoern A. Zeeb static void 1161bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, 1162bfcc09ddSBjoern A. Zeeb enum ieee80211_reconfig_type reconfig_type) 1163bfcc09ddSBjoern A. Zeeb { 1164bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1165bfcc09ddSBjoern A. Zeeb 1166bfcc09ddSBjoern A. Zeeb switch (reconfig_type) { 1167bfcc09ddSBjoern A. Zeeb case IEEE80211_RECONFIG_TYPE_RESTART: 1168bfcc09ddSBjoern A. Zeeb iwl_mvm_restart_complete(mvm); 1169bfcc09ddSBjoern A. Zeeb break; 1170bfcc09ddSBjoern A. Zeeb case IEEE80211_RECONFIG_TYPE_SUSPEND: 1171bfcc09ddSBjoern A. Zeeb break; 1172bfcc09ddSBjoern A. Zeeb } 1173bfcc09ddSBjoern A. Zeeb } 1174bfcc09ddSBjoern A. Zeeb 1175bfcc09ddSBjoern A. Zeeb void __iwl_mvm_mac_stop(struct iwl_mvm *mvm) 1176bfcc09ddSBjoern A. Zeeb { 1177bfcc09ddSBjoern A. Zeeb lockdep_assert_held(&mvm->mutex); 1178bfcc09ddSBjoern A. Zeeb 1179bfcc09ddSBjoern A. Zeeb iwl_mvm_ftm_initiator_smooth_stop(mvm); 1180bfcc09ddSBjoern A. Zeeb 1181bfcc09ddSBjoern A. Zeeb /* firmware counters are obviously reset now, but we shouldn't 1182bfcc09ddSBjoern A. Zeeb * partially track so also clear the fw_reset_accu counters. 1183bfcc09ddSBjoern A. Zeeb */ 1184bfcc09ddSBjoern A. Zeeb memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); 1185bfcc09ddSBjoern A. Zeeb 1186bfcc09ddSBjoern A. Zeeb /* async_handlers_wk is now blocked */ 1187bfcc09ddSBjoern A. Zeeb 1188bfcc09ddSBjoern A. Zeeb if (iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP, ADD_STA, 0) < 12) 1189bfcc09ddSBjoern A. Zeeb iwl_mvm_rm_aux_sta(mvm); 1190bfcc09ddSBjoern A. Zeeb 1191bfcc09ddSBjoern A. Zeeb iwl_mvm_stop_device(mvm); 1192bfcc09ddSBjoern A. Zeeb 1193bfcc09ddSBjoern A. Zeeb iwl_mvm_async_handlers_purge(mvm); 1194bfcc09ddSBjoern A. Zeeb /* async_handlers_list is empty and will stay empty: HW is stopped */ 1195bfcc09ddSBjoern A. Zeeb 1196bfcc09ddSBjoern A. Zeeb /* 1197bfcc09ddSBjoern A. Zeeb * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the 1198bfcc09ddSBjoern A. Zeeb * hw (as restart_complete() won't be called in this case) and mac80211 1199bfcc09ddSBjoern A. Zeeb * won't execute the restart. 1200bfcc09ddSBjoern A. Zeeb * But make sure to cleanup interfaces that have gone down before/during 1201bfcc09ddSBjoern A. Zeeb * HW restart was requested. 1202bfcc09ddSBjoern A. Zeeb */ 1203bfcc09ddSBjoern A. Zeeb if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || 1204bfcc09ddSBjoern A. Zeeb test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1205bfcc09ddSBjoern A. Zeeb &mvm->status)) 1206bfcc09ddSBjoern A. Zeeb ieee80211_iterate_interfaces(mvm->hw, 0, 1207bfcc09ddSBjoern A. Zeeb iwl_mvm_cleanup_iterator, mvm); 1208bfcc09ddSBjoern A. Zeeb 1209bfcc09ddSBjoern A. Zeeb /* We shouldn't have any UIDs still set. Loop over all the UIDs to 1210bfcc09ddSBjoern A. Zeeb * make sure there's nothing left there and warn if any is found. 1211bfcc09ddSBjoern A. Zeeb */ 1212bfcc09ddSBjoern A. Zeeb if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1213bfcc09ddSBjoern A. Zeeb int i; 1214bfcc09ddSBjoern A. Zeeb 1215bfcc09ddSBjoern A. Zeeb for (i = 0; i < mvm->max_scans; i++) { 1216bfcc09ddSBjoern A. Zeeb if (WARN_ONCE(mvm->scan_uid_status[i], 1217bfcc09ddSBjoern A. Zeeb "UMAC scan UID %d status was not cleaned\n", 1218bfcc09ddSBjoern A. Zeeb i)) 1219bfcc09ddSBjoern A. Zeeb mvm->scan_uid_status[i] = 0; 1220bfcc09ddSBjoern A. Zeeb } 1221bfcc09ddSBjoern A. Zeeb } 1222bfcc09ddSBjoern A. Zeeb } 1223bfcc09ddSBjoern A. Zeeb 1224bfcc09ddSBjoern A. Zeeb static void iwl_mvm_mac_stop(struct ieee80211_hw *hw) 1225bfcc09ddSBjoern A. Zeeb { 1226bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1227bfcc09ddSBjoern A. Zeeb 1228bfcc09ddSBjoern A. Zeeb flush_work(&mvm->async_handlers_wk); 1229bfcc09ddSBjoern A. Zeeb flush_work(&mvm->add_stream_wk); 1230bfcc09ddSBjoern A. Zeeb 1231bfcc09ddSBjoern A. Zeeb /* 1232bfcc09ddSBjoern A. Zeeb * Lock and clear the firmware running bit here already, so that 1233bfcc09ddSBjoern A. Zeeb * new commands coming in elsewhere, e.g. from debugfs, will not 1234bfcc09ddSBjoern A. Zeeb * be able to proceed. This is important here because one of those 1235bfcc09ddSBjoern A. Zeeb * debugfs files causes the firmware dump to be triggered, and if we 1236bfcc09ddSBjoern A. Zeeb * don't stop debugfs accesses before canceling that it could be 1237bfcc09ddSBjoern A. Zeeb * retriggered after we flush it but before we've cleared the bit. 1238bfcc09ddSBjoern A. Zeeb */ 1239bfcc09ddSBjoern A. Zeeb clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1240bfcc09ddSBjoern A. Zeeb 1241bfcc09ddSBjoern A. Zeeb cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); 1242bfcc09ddSBjoern A. Zeeb cancel_delayed_work_sync(&mvm->scan_timeout_dwork); 1243bfcc09ddSBjoern A. Zeeb 1244bfcc09ddSBjoern A. Zeeb /* 1245bfcc09ddSBjoern A. Zeeb * The work item could be running or queued if the 1246bfcc09ddSBjoern A. Zeeb * ROC time event stops just as we get here. 1247bfcc09ddSBjoern A. Zeeb */ 1248bfcc09ddSBjoern A. Zeeb flush_work(&mvm->roc_done_wk); 1249bfcc09ddSBjoern A. Zeeb 1250bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 1251bfcc09ddSBjoern A. Zeeb __iwl_mvm_mac_stop(mvm); 1252bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 1253bfcc09ddSBjoern A. Zeeb 1254bfcc09ddSBjoern A. Zeeb /* 1255bfcc09ddSBjoern A. Zeeb * The worker might have been waiting for the mutex, let it run and 1256bfcc09ddSBjoern A. Zeeb * discover that its list is now empty. 1257bfcc09ddSBjoern A. Zeeb */ 1258bfcc09ddSBjoern A. Zeeb cancel_work_sync(&mvm->async_handlers_wk); 1259bfcc09ddSBjoern A. Zeeb } 1260bfcc09ddSBjoern A. Zeeb 1261bfcc09ddSBjoern A. Zeeb static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) 1262bfcc09ddSBjoern A. Zeeb { 1263bfcc09ddSBjoern A. Zeeb u16 i; 1264bfcc09ddSBjoern A. Zeeb 1265bfcc09ddSBjoern A. Zeeb lockdep_assert_held(&mvm->mutex); 1266bfcc09ddSBjoern A. Zeeb 1267bfcc09ddSBjoern A. Zeeb for (i = 0; i < NUM_PHY_CTX; i++) 1268bfcc09ddSBjoern A. Zeeb if (!mvm->phy_ctxts[i].ref) 1269bfcc09ddSBjoern A. Zeeb return &mvm->phy_ctxts[i]; 1270bfcc09ddSBjoern A. Zeeb 1271bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "No available PHY context\n"); 1272bfcc09ddSBjoern A. Zeeb return NULL; 1273bfcc09ddSBjoern A. Zeeb } 1274bfcc09ddSBjoern A. Zeeb 1275bfcc09ddSBjoern A. Zeeb static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1276bfcc09ddSBjoern A. Zeeb s16 tx_power) 1277bfcc09ddSBjoern A. Zeeb { 1278bfcc09ddSBjoern A. Zeeb int len; 1279bfcc09ddSBjoern A. Zeeb struct iwl_dev_tx_power_cmd cmd = { 1280bfcc09ddSBjoern A. Zeeb .common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), 1281bfcc09ddSBjoern A. Zeeb .common.mac_context_id = 1282bfcc09ddSBjoern A. Zeeb cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), 1283bfcc09ddSBjoern A. Zeeb .common.pwr_restriction = cpu_to_le16(8 * tx_power), 1284bfcc09ddSBjoern A. Zeeb }; 1285bfcc09ddSBjoern A. Zeeb u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP, 1286bfcc09ddSBjoern A. Zeeb REDUCE_TX_POWER_CMD, 1287bfcc09ddSBjoern A. Zeeb IWL_FW_CMD_VER_UNKNOWN); 1288bfcc09ddSBjoern A. Zeeb 1289bfcc09ddSBjoern A. Zeeb if (tx_power == IWL_DEFAULT_MAX_TX_POWER) 1290bfcc09ddSBjoern A. Zeeb cmd.common.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); 1291bfcc09ddSBjoern A. Zeeb 1292bfcc09ddSBjoern A. Zeeb if (cmd_ver == 6) 1293bfcc09ddSBjoern A. Zeeb len = sizeof(cmd.v6); 1294bfcc09ddSBjoern A. Zeeb else if (fw_has_api(&mvm->fw->ucode_capa, 1295bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 1296bfcc09ddSBjoern A. Zeeb len = sizeof(cmd.v5); 1297bfcc09ddSBjoern A. Zeeb else if (fw_has_capa(&mvm->fw->ucode_capa, 1298bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 1299bfcc09ddSBjoern A. Zeeb len = sizeof(cmd.v4); 1300bfcc09ddSBjoern A. Zeeb else 1301bfcc09ddSBjoern A. Zeeb len = sizeof(cmd.v3); 1302bfcc09ddSBjoern A. Zeeb 1303bfcc09ddSBjoern A. Zeeb /* all structs have the same common part, add it */ 1304bfcc09ddSBjoern A. Zeeb len += sizeof(cmd.common); 1305bfcc09ddSBjoern A. Zeeb 1306bfcc09ddSBjoern A. Zeeb return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); 1307bfcc09ddSBjoern A. Zeeb } 1308bfcc09ddSBjoern A. Zeeb 1309bfcc09ddSBjoern A. Zeeb static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 1310bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 1311bfcc09ddSBjoern A. Zeeb { 1312bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1313bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1314bfcc09ddSBjoern A. Zeeb int ret; 1315bfcc09ddSBjoern A. Zeeb 1316bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 1317bfcc09ddSBjoern A. Zeeb 1318bfcc09ddSBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_STATION) { 1319bfcc09ddSBjoern A. Zeeb struct iwl_mvm_sta *mvmsta; 1320bfcc09ddSBjoern A. Zeeb 1321bfcc09ddSBjoern A. Zeeb mvmvif->csa_bcn_pending = false; 1322bfcc09ddSBjoern A. Zeeb mvmsta = iwl_mvm_sta_from_staid_protected(mvm, 1323bfcc09ddSBjoern A. Zeeb mvmvif->ap_sta_id); 1324bfcc09ddSBjoern A. Zeeb 1325bfcc09ddSBjoern A. Zeeb if (WARN_ON(!mvmsta)) { 1326bfcc09ddSBjoern A. Zeeb ret = -EIO; 1327bfcc09ddSBjoern A. Zeeb goto out_unlock; 1328bfcc09ddSBjoern A. Zeeb } 1329bfcc09ddSBjoern A. Zeeb 1330bfcc09ddSBjoern A. Zeeb iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 1331bfcc09ddSBjoern A. Zeeb 1332bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1333bfcc09ddSBjoern A. Zeeb 1334bfcc09ddSBjoern A. Zeeb if (!fw_has_capa(&mvm->fw->ucode_capa, 1335bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 1336bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 1337bfcc09ddSBjoern A. Zeeb if (ret) 1338bfcc09ddSBjoern A. Zeeb goto out_unlock; 1339bfcc09ddSBjoern A. Zeeb 1340bfcc09ddSBjoern A. Zeeb iwl_mvm_stop_session_protection(mvm, vif); 1341bfcc09ddSBjoern A. Zeeb } 1342bfcc09ddSBjoern A. Zeeb } 1343bfcc09ddSBjoern A. Zeeb 1344bfcc09ddSBjoern A. Zeeb mvmvif->ps_disabled = false; 1345bfcc09ddSBjoern A. Zeeb 1346bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_power_update_ps(mvm); 1347bfcc09ddSBjoern A. Zeeb 1348bfcc09ddSBjoern A. Zeeb out_unlock: 1349bfcc09ddSBjoern A. Zeeb if (mvmvif->csa_failed) 1350bfcc09ddSBjoern A. Zeeb ret = -EIO; 1351bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 1352bfcc09ddSBjoern A. Zeeb 1353bfcc09ddSBjoern A. Zeeb return ret; 1354bfcc09ddSBjoern A. Zeeb } 1355bfcc09ddSBjoern A. Zeeb 1356bfcc09ddSBjoern A. Zeeb static void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw, 1357bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 1358bfcc09ddSBjoern A. Zeeb { 1359bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1360bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1361bfcc09ddSBjoern A. Zeeb struct iwl_chan_switch_te_cmd cmd = { 1362bfcc09ddSBjoern A. Zeeb .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 1363bfcc09ddSBjoern A. Zeeb mvmvif->color)), 1364bfcc09ddSBjoern A. Zeeb .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE), 1365bfcc09ddSBjoern A. Zeeb }; 1366bfcc09ddSBjoern A. Zeeb 1367bfcc09ddSBjoern A. Zeeb IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id); 1368bfcc09ddSBjoern A. Zeeb 1369bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 1370bfcc09ddSBjoern A. Zeeb if (!fw_has_capa(&mvm->fw->ucode_capa, 1371bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 1372bfcc09ddSBjoern A. Zeeb iwl_mvm_remove_csa_period(mvm, vif); 1373bfcc09ddSBjoern A. Zeeb else 1374bfcc09ddSBjoern A. Zeeb WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 1375bfcc09ddSBjoern A. Zeeb WIDE_ID(MAC_CONF_GROUP, 1376bfcc09ddSBjoern A. Zeeb CHANNEL_SWITCH_TIME_EVENT_CMD), 1377bfcc09ddSBjoern A. Zeeb 0, sizeof(cmd), &cmd)); 1378bfcc09ddSBjoern A. Zeeb mvmvif->csa_failed = true; 1379bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 1380bfcc09ddSBjoern A. Zeeb 1381bfcc09ddSBjoern A. Zeeb iwl_mvm_post_channel_switch(hw, vif); 1382bfcc09ddSBjoern A. Zeeb } 1383bfcc09ddSBjoern A. Zeeb 1384bfcc09ddSBjoern A. Zeeb static void iwl_mvm_channel_switch_disconnect_wk(struct work_struct *wk) 1385bfcc09ddSBjoern A. Zeeb { 1386bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif; 1387bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif; 1388bfcc09ddSBjoern A. Zeeb 1389bfcc09ddSBjoern A. Zeeb mvmvif = container_of(wk, struct iwl_mvm_vif, csa_work.work); 1390bfcc09ddSBjoern A. Zeeb vif = container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1391bfcc09ddSBjoern A. Zeeb 1392bfcc09ddSBjoern A. Zeeb /* Trigger disconnect (should clear the CSA state) */ 1393bfcc09ddSBjoern A. Zeeb ieee80211_chswitch_done(vif, false); 1394bfcc09ddSBjoern A. Zeeb } 1395bfcc09ddSBjoern A. Zeeb 1396bfcc09ddSBjoern A. Zeeb static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 1397bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 1398bfcc09ddSBjoern A. Zeeb { 1399bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1400bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1401bfcc09ddSBjoern A. Zeeb int ret; 1402bfcc09ddSBjoern A. Zeeb 1403bfcc09ddSBjoern A. Zeeb mvmvif->mvm = mvm; 1404bfcc09ddSBjoern A. Zeeb RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL); 1405bfcc09ddSBjoern A. Zeeb 1406bfcc09ddSBjoern A. Zeeb /* 1407bfcc09ddSBjoern A. Zeeb * Not much to do here. The stack will not allow interface 1408bfcc09ddSBjoern A. Zeeb * types or combinations that we didn't advertise, so we 1409bfcc09ddSBjoern A. Zeeb * don't really have to check the types. 1410bfcc09ddSBjoern A. Zeeb */ 1411bfcc09ddSBjoern A. Zeeb 1412bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 1413bfcc09ddSBjoern A. Zeeb 1414bfcc09ddSBjoern A. Zeeb /* make sure that beacon statistics don't go backwards with FW reset */ 1415bfcc09ddSBjoern A. Zeeb if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1416bfcc09ddSBjoern A. Zeeb mvmvif->beacon_stats.accu_num_beacons += 1417bfcc09ddSBjoern A. Zeeb mvmvif->beacon_stats.num_beacons; 1418bfcc09ddSBjoern A. Zeeb 1419bfcc09ddSBjoern A. Zeeb /* Allocate resources for the MAC context, and add it to the fw */ 1420bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_mac_ctxt_init(mvm, vif); 1421bfcc09ddSBjoern A. Zeeb if (ret) 1422bfcc09ddSBjoern A. Zeeb goto out_unlock; 1423bfcc09ddSBjoern A. Zeeb 1424bfcc09ddSBjoern A. Zeeb rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); 1425bfcc09ddSBjoern A. Zeeb 1426bfcc09ddSBjoern A. Zeeb /* Counting number of interfaces is needed for legacy PM */ 1427bfcc09ddSBjoern A. Zeeb if (vif->type != NL80211_IFTYPE_P2P_DEVICE) 1428bfcc09ddSBjoern A. Zeeb mvm->vif_count++; 1429bfcc09ddSBjoern A. Zeeb 1430bfcc09ddSBjoern A. Zeeb /* 1431bfcc09ddSBjoern A. Zeeb * The AP binding flow can be done only after the beacon 1432bfcc09ddSBjoern A. Zeeb * template is configured (which happens only in the mac80211 1433bfcc09ddSBjoern A. Zeeb * start_ap() flow), and adding the broadcast station can happen 1434bfcc09ddSBjoern A. Zeeb * only after the binding. 1435bfcc09ddSBjoern A. Zeeb * In addition, since modifying the MAC before adding a bcast 1436bfcc09ddSBjoern A. Zeeb * station is not allowed by the FW, delay the adding of MAC context to 1437bfcc09ddSBjoern A. Zeeb * the point where we can also add the bcast station. 1438bfcc09ddSBjoern A. Zeeb * In short: there's not much we can do at this point, other than 1439bfcc09ddSBjoern A. Zeeb * allocating resources :) 1440bfcc09ddSBjoern A. Zeeb */ 1441bfcc09ddSBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_AP || 1442bfcc09ddSBjoern A. Zeeb vif->type == NL80211_IFTYPE_ADHOC) { 1443bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_alloc_bcast_sta(mvm, vif); 1444bfcc09ddSBjoern A. Zeeb if (ret) { 1445bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "Failed to allocate bcast sta\n"); 1446bfcc09ddSBjoern A. Zeeb goto out_release; 1447bfcc09ddSBjoern A. Zeeb } 1448bfcc09ddSBjoern A. Zeeb 1449bfcc09ddSBjoern A. Zeeb /* 1450bfcc09ddSBjoern A. Zeeb * Only queue for this station is the mcast queue, 1451bfcc09ddSBjoern A. Zeeb * which shouldn't be in TFD mask anyway 1452bfcc09ddSBjoern A. Zeeb */ 1453bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_allocate_int_sta(mvm, &mvmvif->mcast_sta, 1454bfcc09ddSBjoern A. Zeeb 0, vif->type, 1455bfcc09ddSBjoern A. Zeeb IWL_STA_MULTICAST); 1456bfcc09ddSBjoern A. Zeeb if (ret) 1457bfcc09ddSBjoern A. Zeeb goto out_release; 1458bfcc09ddSBjoern A. Zeeb 1459bfcc09ddSBjoern A. Zeeb iwl_mvm_vif_dbgfs_register(mvm, vif); 1460bfcc09ddSBjoern A. Zeeb goto out_unlock; 1461bfcc09ddSBjoern A. Zeeb } 1462bfcc09ddSBjoern A. Zeeb 1463bfcc09ddSBjoern A. Zeeb mvmvif->features |= hw->netdev_features; 1464bfcc09ddSBjoern A. Zeeb 1465bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_mac_ctxt_add(mvm, vif); 1466bfcc09ddSBjoern A. Zeeb if (ret) 1467bfcc09ddSBjoern A. Zeeb goto out_release; 1468bfcc09ddSBjoern A. Zeeb 1469bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_power_update_mac(mvm); 1470bfcc09ddSBjoern A. Zeeb if (ret) 1471bfcc09ddSBjoern A. Zeeb goto out_remove_mac; 1472bfcc09ddSBjoern A. Zeeb 1473bfcc09ddSBjoern A. Zeeb /* beacon filtering */ 1474bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 1475bfcc09ddSBjoern A. Zeeb if (ret) 1476bfcc09ddSBjoern A. Zeeb goto out_remove_mac; 1477bfcc09ddSBjoern A. Zeeb 1478bfcc09ddSBjoern A. Zeeb if (!mvm->bf_allowed_vif && 1479bfcc09ddSBjoern A. Zeeb vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { 1480bfcc09ddSBjoern A. Zeeb mvm->bf_allowed_vif = mvmvif; 1481bfcc09ddSBjoern A. Zeeb vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 1482bfcc09ddSBjoern A. Zeeb IEEE80211_VIF_SUPPORTS_CQM_RSSI; 1483bfcc09ddSBjoern A. Zeeb } 1484bfcc09ddSBjoern A. Zeeb 1485bfcc09ddSBjoern A. Zeeb /* 1486bfcc09ddSBjoern A. Zeeb * P2P_DEVICE interface does not have a channel context assigned to it, 1487bfcc09ddSBjoern A. Zeeb * so a dedicated PHY context is allocated to it and the corresponding 1488bfcc09ddSBjoern A. Zeeb * MAC context is bound to it at this stage. 1489bfcc09ddSBjoern A. Zeeb */ 1490bfcc09ddSBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1491bfcc09ddSBjoern A. Zeeb 1492bfcc09ddSBjoern A. Zeeb mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 1493bfcc09ddSBjoern A. Zeeb if (!mvmvif->phy_ctxt) { 1494bfcc09ddSBjoern A. Zeeb ret = -ENOSPC; 1495bfcc09ddSBjoern A. Zeeb goto out_free_bf; 1496bfcc09ddSBjoern A. Zeeb } 1497bfcc09ddSBjoern A. Zeeb 1498bfcc09ddSBjoern A. Zeeb iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 1499bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_binding_add_vif(mvm, vif); 1500bfcc09ddSBjoern A. Zeeb if (ret) 1501bfcc09ddSBjoern A. Zeeb goto out_unref_phy; 1502bfcc09ddSBjoern A. Zeeb 1503bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_add_p2p_bcast_sta(mvm, vif); 1504bfcc09ddSBjoern A. Zeeb if (ret) 1505bfcc09ddSBjoern A. Zeeb goto out_unbind; 1506bfcc09ddSBjoern A. Zeeb 1507bfcc09ddSBjoern A. Zeeb /* Save a pointer to p2p device vif, so it can later be used to 1508bfcc09ddSBjoern A. Zeeb * update the p2p device MAC when a GO is started/stopped */ 1509bfcc09ddSBjoern A. Zeeb mvm->p2p_device_vif = vif; 1510bfcc09ddSBjoern A. Zeeb } 1511bfcc09ddSBjoern A. Zeeb 1512bfcc09ddSBjoern A. Zeeb iwl_mvm_tcm_add_vif(mvm, vif); 1513bfcc09ddSBjoern A. Zeeb INIT_DELAYED_WORK(&mvmvif->csa_work, 1514bfcc09ddSBjoern A. Zeeb iwl_mvm_channel_switch_disconnect_wk); 1515bfcc09ddSBjoern A. Zeeb 1516bfcc09ddSBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_MONITOR) 1517bfcc09ddSBjoern A. Zeeb mvm->monitor_on = true; 1518bfcc09ddSBjoern A. Zeeb 1519bfcc09ddSBjoern A. Zeeb iwl_mvm_vif_dbgfs_register(mvm, vif); 1520bfcc09ddSBjoern A. Zeeb goto out_unlock; 1521bfcc09ddSBjoern A. Zeeb 1522bfcc09ddSBjoern A. Zeeb out_unbind: 1523bfcc09ddSBjoern A. Zeeb iwl_mvm_binding_remove_vif(mvm, vif); 1524bfcc09ddSBjoern A. Zeeb out_unref_phy: 1525bfcc09ddSBjoern A. Zeeb iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 1526bfcc09ddSBjoern A. Zeeb out_free_bf: 1527bfcc09ddSBjoern A. Zeeb if (mvm->bf_allowed_vif == mvmvif) { 1528bfcc09ddSBjoern A. Zeeb mvm->bf_allowed_vif = NULL; 1529bfcc09ddSBjoern A. Zeeb vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1530bfcc09ddSBjoern A. Zeeb IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1531bfcc09ddSBjoern A. Zeeb } 1532bfcc09ddSBjoern A. Zeeb out_remove_mac: 1533bfcc09ddSBjoern A. Zeeb mvmvif->phy_ctxt = NULL; 1534bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_ctxt_remove(mvm, vif); 1535bfcc09ddSBjoern A. Zeeb out_release: 1536bfcc09ddSBjoern A. Zeeb if (vif->type != NL80211_IFTYPE_P2P_DEVICE) 1537bfcc09ddSBjoern A. Zeeb mvm->vif_count--; 1538bfcc09ddSBjoern A. Zeeb out_unlock: 1539bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 1540bfcc09ddSBjoern A. Zeeb 1541bfcc09ddSBjoern A. Zeeb return ret; 1542bfcc09ddSBjoern A. Zeeb } 1543bfcc09ddSBjoern A. Zeeb 1544bfcc09ddSBjoern A. Zeeb static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1545bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 1546bfcc09ddSBjoern A. Zeeb { 1547bfcc09ddSBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1548bfcc09ddSBjoern A. Zeeb /* 1549bfcc09ddSBjoern A. Zeeb * Flush the ROC worker which will flush the OFFCHANNEL queue. 1550bfcc09ddSBjoern A. Zeeb * We assume here that all the packets sent to the OFFCHANNEL 1551bfcc09ddSBjoern A. Zeeb * queue are sent in ROC session. 1552bfcc09ddSBjoern A. Zeeb */ 1553bfcc09ddSBjoern A. Zeeb flush_work(&mvm->roc_done_wk); 1554bfcc09ddSBjoern A. Zeeb } 1555bfcc09ddSBjoern A. Zeeb } 1556bfcc09ddSBjoern A. Zeeb 1557bfcc09ddSBjoern A. Zeeb static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 1558bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 1559bfcc09ddSBjoern A. Zeeb { 1560bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1561bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1562bfcc09ddSBjoern A. Zeeb struct iwl_probe_resp_data *probe_data; 1563bfcc09ddSBjoern A. Zeeb 1564bfcc09ddSBjoern A. Zeeb iwl_mvm_prepare_mac_removal(mvm, vif); 1565bfcc09ddSBjoern A. Zeeb 1566bfcc09ddSBjoern A. Zeeb if (!(vif->type == NL80211_IFTYPE_AP || 1567bfcc09ddSBjoern A. Zeeb vif->type == NL80211_IFTYPE_ADHOC)) 1568bfcc09ddSBjoern A. Zeeb iwl_mvm_tcm_rm_vif(mvm, vif); 1569bfcc09ddSBjoern A. Zeeb 1570bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 1571bfcc09ddSBjoern A. Zeeb 1572bfcc09ddSBjoern A. Zeeb probe_data = rcu_dereference_protected(mvmvif->probe_resp_data, 1573bfcc09ddSBjoern A. Zeeb lockdep_is_held(&mvm->mutex)); 1574bfcc09ddSBjoern A. Zeeb RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL); 1575bfcc09ddSBjoern A. Zeeb if (probe_data) 1576bfcc09ddSBjoern A. Zeeb kfree_rcu(probe_data, rcu_head); 1577bfcc09ddSBjoern A. Zeeb 1578bfcc09ddSBjoern A. Zeeb if (mvm->bf_allowed_vif == mvmvif) { 1579bfcc09ddSBjoern A. Zeeb mvm->bf_allowed_vif = NULL; 1580bfcc09ddSBjoern A. Zeeb vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1581bfcc09ddSBjoern A. Zeeb IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1582bfcc09ddSBjoern A. Zeeb } 1583bfcc09ddSBjoern A. Zeeb 1584bfcc09ddSBjoern A. Zeeb if (vif->bss_conf.ftm_responder) 1585bfcc09ddSBjoern A. Zeeb memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats)); 1586bfcc09ddSBjoern A. Zeeb 1587bfcc09ddSBjoern A. Zeeb iwl_mvm_vif_dbgfs_clean(mvm, vif); 1588bfcc09ddSBjoern A. Zeeb 1589bfcc09ddSBjoern A. Zeeb /* 1590bfcc09ddSBjoern A. Zeeb * For AP/GO interface, the tear down of the resources allocated to the 1591bfcc09ddSBjoern A. Zeeb * interface is be handled as part of the stop_ap flow. 1592bfcc09ddSBjoern A. Zeeb */ 1593bfcc09ddSBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_AP || 1594bfcc09ddSBjoern A. Zeeb vif->type == NL80211_IFTYPE_ADHOC) { 1595bfcc09ddSBjoern A. Zeeb #ifdef CONFIG_NL80211_TESTMODE 1596bfcc09ddSBjoern A. Zeeb if (vif == mvm->noa_vif) { 1597bfcc09ddSBjoern A. Zeeb mvm->noa_vif = NULL; 1598bfcc09ddSBjoern A. Zeeb mvm->noa_duration = 0; 1599bfcc09ddSBjoern A. Zeeb } 1600bfcc09ddSBjoern A. Zeeb #endif 1601bfcc09ddSBjoern A. Zeeb iwl_mvm_dealloc_int_sta(mvm, &mvmvif->mcast_sta); 1602bfcc09ddSBjoern A. Zeeb iwl_mvm_dealloc_bcast_sta(mvm, vif); 1603bfcc09ddSBjoern A. Zeeb goto out_release; 1604bfcc09ddSBjoern A. Zeeb } 1605bfcc09ddSBjoern A. Zeeb 1606bfcc09ddSBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1607bfcc09ddSBjoern A. Zeeb mvm->p2p_device_vif = NULL; 1608bfcc09ddSBjoern A. Zeeb iwl_mvm_rm_p2p_bcast_sta(mvm, vif); 1609bfcc09ddSBjoern A. Zeeb iwl_mvm_binding_remove_vif(mvm, vif); 1610bfcc09ddSBjoern A. Zeeb iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 1611bfcc09ddSBjoern A. Zeeb mvmvif->phy_ctxt = NULL; 1612bfcc09ddSBjoern A. Zeeb } 1613bfcc09ddSBjoern A. Zeeb 1614bfcc09ddSBjoern A. Zeeb if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE) 1615bfcc09ddSBjoern A. Zeeb mvm->vif_count--; 1616bfcc09ddSBjoern A. Zeeb 1617bfcc09ddSBjoern A. Zeeb iwl_mvm_power_update_mac(mvm); 1618bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_ctxt_remove(mvm, vif); 1619bfcc09ddSBjoern A. Zeeb 1620bfcc09ddSBjoern A. Zeeb RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); 1621bfcc09ddSBjoern A. Zeeb 1622bfcc09ddSBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_MONITOR) 1623bfcc09ddSBjoern A. Zeeb mvm->monitor_on = false; 1624bfcc09ddSBjoern A. Zeeb 1625bfcc09ddSBjoern A. Zeeb out_release: 1626bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 1627bfcc09ddSBjoern A. Zeeb } 1628bfcc09ddSBjoern A. Zeeb 1629bfcc09ddSBjoern A. Zeeb static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed) 1630bfcc09ddSBjoern A. Zeeb { 1631bfcc09ddSBjoern A. Zeeb return 0; 1632bfcc09ddSBjoern A. Zeeb } 1633bfcc09ddSBjoern A. Zeeb 1634bfcc09ddSBjoern A. Zeeb struct iwl_mvm_mc_iter_data { 1635bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm; 1636bfcc09ddSBjoern A. Zeeb int port_id; 1637bfcc09ddSBjoern A. Zeeb }; 1638bfcc09ddSBjoern A. Zeeb 1639bfcc09ddSBjoern A. Zeeb static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 1640bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 1641bfcc09ddSBjoern A. Zeeb { 1642bfcc09ddSBjoern A. Zeeb struct iwl_mvm_mc_iter_data *data = _data; 1643bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = data->mvm; 1644bfcc09ddSBjoern A. Zeeb struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 1645bfcc09ddSBjoern A. Zeeb struct iwl_host_cmd hcmd = { 1646bfcc09ddSBjoern A. Zeeb .id = MCAST_FILTER_CMD, 1647bfcc09ddSBjoern A. Zeeb .flags = CMD_ASYNC, 1648bfcc09ddSBjoern A. Zeeb .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 1649bfcc09ddSBjoern A. Zeeb }; 1650bfcc09ddSBjoern A. Zeeb int ret, len; 1651bfcc09ddSBjoern A. Zeeb 1652bfcc09ddSBjoern A. Zeeb /* if we don't have free ports, mcast frames will be dropped */ 1653bfcc09ddSBjoern A. Zeeb if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 1654bfcc09ddSBjoern A. Zeeb return; 1655bfcc09ddSBjoern A. Zeeb 1656bfcc09ddSBjoern A. Zeeb if (vif->type != NL80211_IFTYPE_STATION || 1657bfcc09ddSBjoern A. Zeeb !vif->bss_conf.assoc) 1658bfcc09ddSBjoern A. Zeeb return; 1659bfcc09ddSBjoern A. Zeeb 1660bfcc09ddSBjoern A. Zeeb cmd->port_id = data->port_id++; 1661bfcc09ddSBjoern A. Zeeb memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 1662bfcc09ddSBjoern A. Zeeb len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 1663bfcc09ddSBjoern A. Zeeb 1664bfcc09ddSBjoern A. Zeeb hcmd.len[0] = len; 1665bfcc09ddSBjoern A. Zeeb hcmd.data[0] = cmd; 1666bfcc09ddSBjoern A. Zeeb 1667bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_send_cmd(mvm, &hcmd); 1668bfcc09ddSBjoern A. Zeeb if (ret) 1669bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 1670bfcc09ddSBjoern A. Zeeb } 1671bfcc09ddSBjoern A. Zeeb 1672bfcc09ddSBjoern A. Zeeb static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 1673bfcc09ddSBjoern A. Zeeb { 1674bfcc09ddSBjoern A. Zeeb struct iwl_mvm_mc_iter_data iter_data = { 1675bfcc09ddSBjoern A. Zeeb .mvm = mvm, 1676bfcc09ddSBjoern A. Zeeb }; 1677*8f06a2b5SBjoern A. Zeeb int ret; 1678bfcc09ddSBjoern A. Zeeb 1679bfcc09ddSBjoern A. Zeeb lockdep_assert_held(&mvm->mutex); 1680bfcc09ddSBjoern A. Zeeb 1681bfcc09ddSBjoern A. Zeeb if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 1682bfcc09ddSBjoern A. Zeeb return; 1683bfcc09ddSBjoern A. Zeeb 1684bfcc09ddSBjoern A. Zeeb ieee80211_iterate_active_interfaces_atomic( 1685bfcc09ddSBjoern A. Zeeb mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1686bfcc09ddSBjoern A. Zeeb iwl_mvm_mc_iface_iterator, &iter_data); 1687*8f06a2b5SBjoern A. Zeeb 1688*8f06a2b5SBjoern A. Zeeb /* 1689*8f06a2b5SBjoern A. Zeeb * Send a (synchronous) ech command so that we wait for the 1690*8f06a2b5SBjoern A. Zeeb * multiple asynchronous MCAST_FILTER_CMD commands sent by 1691*8f06a2b5SBjoern A. Zeeb * the interface iterator. Otherwise, we might get here over 1692*8f06a2b5SBjoern A. Zeeb * and over again (by userspace just sending a lot of these) 1693*8f06a2b5SBjoern A. Zeeb * and the CPU can send them faster than the firmware can 1694*8f06a2b5SBjoern A. Zeeb * process them. 1695*8f06a2b5SBjoern A. Zeeb * Note that the CPU is still faster - but with this we'll 1696*8f06a2b5SBjoern A. Zeeb * actually send fewer commands overall because the CPU will 1697*8f06a2b5SBjoern A. Zeeb * not schedule the work in mac80211 as frequently if it's 1698*8f06a2b5SBjoern A. Zeeb * still running when rescheduled (possibly multiple times). 1699*8f06a2b5SBjoern A. Zeeb */ 1700*8f06a2b5SBjoern A. Zeeb ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); 1701*8f06a2b5SBjoern A. Zeeb if (ret) 1702*8f06a2b5SBjoern A. Zeeb IWL_ERR(mvm, "Failed to synchronize multicast groups update\n"); 1703bfcc09ddSBjoern A. Zeeb } 1704bfcc09ddSBjoern A. Zeeb 1705bfcc09ddSBjoern A. Zeeb static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 1706bfcc09ddSBjoern A. Zeeb struct netdev_hw_addr_list *mc_list) 1707bfcc09ddSBjoern A. Zeeb { 1708bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1709bfcc09ddSBjoern A. Zeeb struct iwl_mcast_filter_cmd *cmd; 1710bfcc09ddSBjoern A. Zeeb struct netdev_hw_addr *addr; 1711bfcc09ddSBjoern A. Zeeb int addr_count; 1712bfcc09ddSBjoern A. Zeeb bool pass_all; 1713bfcc09ddSBjoern A. Zeeb int len; 1714bfcc09ddSBjoern A. Zeeb 1715bfcc09ddSBjoern A. Zeeb addr_count = netdev_hw_addr_list_count(mc_list); 1716bfcc09ddSBjoern A. Zeeb pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 1717bfcc09ddSBjoern A. Zeeb IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 1718bfcc09ddSBjoern A. Zeeb if (pass_all) 1719bfcc09ddSBjoern A. Zeeb addr_count = 0; 1720bfcc09ddSBjoern A. Zeeb 1721bfcc09ddSBjoern A. Zeeb len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 1722bfcc09ddSBjoern A. Zeeb cmd = kzalloc(len, GFP_ATOMIC); 1723bfcc09ddSBjoern A. Zeeb if (!cmd) 1724bfcc09ddSBjoern A. Zeeb return 0; 1725bfcc09ddSBjoern A. Zeeb 1726bfcc09ddSBjoern A. Zeeb if (pass_all) { 1727bfcc09ddSBjoern A. Zeeb cmd->pass_all = 1; 1728bfcc09ddSBjoern A. Zeeb return (u64)(uintptr_t)cmd; 1729bfcc09ddSBjoern A. Zeeb } 1730bfcc09ddSBjoern A. Zeeb 1731bfcc09ddSBjoern A. Zeeb netdev_hw_addr_list_for_each(addr, mc_list) { 1732bfcc09ddSBjoern A. Zeeb #if defined(__linux__) 1733bfcc09ddSBjoern A. Zeeb IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 1734bfcc09ddSBjoern A. Zeeb cmd->count, addr->addr); 1735bfcc09ddSBjoern A. Zeeb #elif defined(__FreeBSD__) 1736bfcc09ddSBjoern A. Zeeb IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %6D\n", 1737bfcc09ddSBjoern A. Zeeb cmd->count, addr->addr, ":"); 1738bfcc09ddSBjoern A. Zeeb #endif 1739bfcc09ddSBjoern A. Zeeb memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 1740bfcc09ddSBjoern A. Zeeb addr->addr, ETH_ALEN); 1741bfcc09ddSBjoern A. Zeeb cmd->count++; 1742bfcc09ddSBjoern A. Zeeb } 1743bfcc09ddSBjoern A. Zeeb 1744bfcc09ddSBjoern A. Zeeb return (u64)(uintptr_t)cmd; 1745bfcc09ddSBjoern A. Zeeb } 1746bfcc09ddSBjoern A. Zeeb 1747bfcc09ddSBjoern A. Zeeb static void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 1748bfcc09ddSBjoern A. Zeeb unsigned int changed_flags, 1749bfcc09ddSBjoern A. Zeeb unsigned int *total_flags, 1750bfcc09ddSBjoern A. Zeeb u64 multicast) 1751bfcc09ddSBjoern A. Zeeb { 1752bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1753bfcc09ddSBjoern A. Zeeb struct iwl_mcast_filter_cmd *cmd = (void *)(uintptr_t)multicast; 1754bfcc09ddSBjoern A. Zeeb 1755bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 1756bfcc09ddSBjoern A. Zeeb 1757bfcc09ddSBjoern A. Zeeb /* replace previous configuration */ 1758bfcc09ddSBjoern A. Zeeb kfree(mvm->mcast_filter_cmd); 1759bfcc09ddSBjoern A. Zeeb mvm->mcast_filter_cmd = cmd; 1760bfcc09ddSBjoern A. Zeeb 1761bfcc09ddSBjoern A. Zeeb if (!cmd) 1762bfcc09ddSBjoern A. Zeeb goto out; 1763bfcc09ddSBjoern A. Zeeb 1764bfcc09ddSBjoern A. Zeeb if (changed_flags & FIF_ALLMULTI) 1765bfcc09ddSBjoern A. Zeeb cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); 1766bfcc09ddSBjoern A. Zeeb 1767bfcc09ddSBjoern A. Zeeb if (cmd->pass_all) 1768bfcc09ddSBjoern A. Zeeb cmd->count = 0; 1769bfcc09ddSBjoern A. Zeeb 1770bfcc09ddSBjoern A. Zeeb iwl_mvm_recalc_multicast(mvm); 1771bfcc09ddSBjoern A. Zeeb out: 1772bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 1773bfcc09ddSBjoern A. Zeeb *total_flags = 0; 1774bfcc09ddSBjoern A. Zeeb } 1775bfcc09ddSBjoern A. Zeeb 1776bfcc09ddSBjoern A. Zeeb static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 1777bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 1778bfcc09ddSBjoern A. Zeeb unsigned int filter_flags, 1779bfcc09ddSBjoern A. Zeeb unsigned int changed_flags) 1780bfcc09ddSBjoern A. Zeeb { 1781bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1782bfcc09ddSBjoern A. Zeeb 1783bfcc09ddSBjoern A. Zeeb /* We support only filter for probe requests */ 1784bfcc09ddSBjoern A. Zeeb if (!(changed_flags & FIF_PROBE_REQ)) 1785bfcc09ddSBjoern A. Zeeb return; 1786bfcc09ddSBjoern A. Zeeb 1787bfcc09ddSBjoern A. Zeeb /* Supported only for p2p client interfaces */ 1788bfcc09ddSBjoern A. Zeeb if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc || 1789bfcc09ddSBjoern A. Zeeb !vif->p2p) 1790bfcc09ddSBjoern A. Zeeb return; 1791bfcc09ddSBjoern A. Zeeb 1792bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 1793bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1794bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 1795bfcc09ddSBjoern A. Zeeb } 1796bfcc09ddSBjoern A. Zeeb 1797bfcc09ddSBjoern A. Zeeb #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 1798bfcc09ddSBjoern A. Zeeb struct iwl_bcast_iter_data { 1799bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm; 1800bfcc09ddSBjoern A. Zeeb struct iwl_bcast_filter_cmd *cmd; 1801bfcc09ddSBjoern A. Zeeb u8 current_filter; 1802bfcc09ddSBjoern A. Zeeb }; 1803bfcc09ddSBjoern A. Zeeb 1804bfcc09ddSBjoern A. Zeeb static void 1805bfcc09ddSBjoern A. Zeeb iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif, 1806bfcc09ddSBjoern A. Zeeb const struct iwl_fw_bcast_filter *in_filter, 1807bfcc09ddSBjoern A. Zeeb struct iwl_fw_bcast_filter *out_filter) 1808bfcc09ddSBjoern A. Zeeb { 1809bfcc09ddSBjoern A. Zeeb struct iwl_fw_bcast_filter_attr *attr; 1810bfcc09ddSBjoern A. Zeeb int i; 1811bfcc09ddSBjoern A. Zeeb 1812bfcc09ddSBjoern A. Zeeb memcpy(out_filter, in_filter, sizeof(*out_filter)); 1813bfcc09ddSBjoern A. Zeeb 1814bfcc09ddSBjoern A. Zeeb for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) { 1815bfcc09ddSBjoern A. Zeeb attr = &out_filter->attrs[i]; 1816bfcc09ddSBjoern A. Zeeb 1817bfcc09ddSBjoern A. Zeeb if (!attr->mask) 1818bfcc09ddSBjoern A. Zeeb break; 1819bfcc09ddSBjoern A. Zeeb 1820bfcc09ddSBjoern A. Zeeb switch (attr->reserved1) { 1821bfcc09ddSBjoern A. Zeeb case cpu_to_le16(BC_FILTER_MAGIC_IP): 1822bfcc09ddSBjoern A. Zeeb if (vif->bss_conf.arp_addr_cnt != 1) { 1823bfcc09ddSBjoern A. Zeeb attr->mask = 0; 1824bfcc09ddSBjoern A. Zeeb continue; 1825bfcc09ddSBjoern A. Zeeb } 1826bfcc09ddSBjoern A. Zeeb 1827bfcc09ddSBjoern A. Zeeb attr->val = vif->bss_conf.arp_addr_list[0]; 1828bfcc09ddSBjoern A. Zeeb break; 1829bfcc09ddSBjoern A. Zeeb case cpu_to_le16(BC_FILTER_MAGIC_MAC): 1830bfcc09ddSBjoern A. Zeeb attr->val = *(__be32 *)&vif->addr[2]; 1831bfcc09ddSBjoern A. Zeeb break; 1832bfcc09ddSBjoern A. Zeeb default: 1833bfcc09ddSBjoern A. Zeeb break; 1834bfcc09ddSBjoern A. Zeeb } 1835bfcc09ddSBjoern A. Zeeb attr->reserved1 = 0; 1836bfcc09ddSBjoern A. Zeeb out_filter->num_attrs++; 1837bfcc09ddSBjoern A. Zeeb } 1838bfcc09ddSBjoern A. Zeeb } 1839bfcc09ddSBjoern A. Zeeb 1840bfcc09ddSBjoern A. Zeeb static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac, 1841bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 1842bfcc09ddSBjoern A. Zeeb { 1843bfcc09ddSBjoern A. Zeeb struct iwl_bcast_iter_data *data = _data; 1844bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = data->mvm; 1845bfcc09ddSBjoern A. Zeeb struct iwl_bcast_filter_cmd *cmd = data->cmd; 1846bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1847bfcc09ddSBjoern A. Zeeb struct iwl_fw_bcast_mac *bcast_mac; 1848bfcc09ddSBjoern A. Zeeb int i; 1849bfcc09ddSBjoern A. Zeeb 1850bfcc09ddSBjoern A. Zeeb if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs))) 1851bfcc09ddSBjoern A. Zeeb return; 1852bfcc09ddSBjoern A. Zeeb 1853bfcc09ddSBjoern A. Zeeb bcast_mac = &cmd->macs[mvmvif->id]; 1854bfcc09ddSBjoern A. Zeeb 1855bfcc09ddSBjoern A. Zeeb /* 1856bfcc09ddSBjoern A. Zeeb * enable filtering only for associated stations, but not for P2P 1857bfcc09ddSBjoern A. Zeeb * Clients 1858bfcc09ddSBjoern A. Zeeb */ 1859bfcc09ddSBjoern A. Zeeb if (vif->type != NL80211_IFTYPE_STATION || vif->p2p || 1860bfcc09ddSBjoern A. Zeeb !vif->bss_conf.assoc) 1861bfcc09ddSBjoern A. Zeeb return; 1862bfcc09ddSBjoern A. Zeeb 1863bfcc09ddSBjoern A. Zeeb bcast_mac->default_discard = 1; 1864bfcc09ddSBjoern A. Zeeb 1865bfcc09ddSBjoern A. Zeeb /* copy all configured filters */ 1866bfcc09ddSBjoern A. Zeeb for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) { 1867bfcc09ddSBjoern A. Zeeb /* 1868bfcc09ddSBjoern A. Zeeb * Make sure we don't exceed our filters limit. 1869bfcc09ddSBjoern A. Zeeb * if there is still a valid filter to be configured, 1870bfcc09ddSBjoern A. Zeeb * be on the safe side and just allow bcast for this mac. 1871bfcc09ddSBjoern A. Zeeb */ 1872bfcc09ddSBjoern A. Zeeb if (WARN_ON_ONCE(data->current_filter >= 1873bfcc09ddSBjoern A. Zeeb ARRAY_SIZE(cmd->filters))) { 1874bfcc09ddSBjoern A. Zeeb bcast_mac->default_discard = 0; 1875bfcc09ddSBjoern A. Zeeb bcast_mac->attached_filters = 0; 1876bfcc09ddSBjoern A. Zeeb break; 1877bfcc09ddSBjoern A. Zeeb } 1878bfcc09ddSBjoern A. Zeeb 1879bfcc09ddSBjoern A. Zeeb iwl_mvm_set_bcast_filter(vif, 1880bfcc09ddSBjoern A. Zeeb &mvm->bcast_filters[i], 1881bfcc09ddSBjoern A. Zeeb &cmd->filters[data->current_filter]); 1882bfcc09ddSBjoern A. Zeeb 1883bfcc09ddSBjoern A. Zeeb /* skip current filter if it contains no attributes */ 1884bfcc09ddSBjoern A. Zeeb if (!cmd->filters[data->current_filter].num_attrs) 1885bfcc09ddSBjoern A. Zeeb continue; 1886bfcc09ddSBjoern A. Zeeb 1887bfcc09ddSBjoern A. Zeeb /* attach the filter to current mac */ 1888bfcc09ddSBjoern A. Zeeb bcast_mac->attached_filters |= 1889bfcc09ddSBjoern A. Zeeb cpu_to_le16(BIT(data->current_filter)); 1890bfcc09ddSBjoern A. Zeeb 1891bfcc09ddSBjoern A. Zeeb data->current_filter++; 1892bfcc09ddSBjoern A. Zeeb } 1893bfcc09ddSBjoern A. Zeeb } 1894bfcc09ddSBjoern A. Zeeb 1895bfcc09ddSBjoern A. Zeeb bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm, 1896bfcc09ddSBjoern A. Zeeb struct iwl_bcast_filter_cmd *cmd) 1897bfcc09ddSBjoern A. Zeeb { 1898bfcc09ddSBjoern A. Zeeb struct iwl_bcast_iter_data iter_data = { 1899bfcc09ddSBjoern A. Zeeb .mvm = mvm, 1900bfcc09ddSBjoern A. Zeeb .cmd = cmd, 1901bfcc09ddSBjoern A. Zeeb }; 1902bfcc09ddSBjoern A. Zeeb 1903bfcc09ddSBjoern A. Zeeb if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL) 1904bfcc09ddSBjoern A. Zeeb return false; 1905bfcc09ddSBjoern A. Zeeb 1906bfcc09ddSBjoern A. Zeeb memset(cmd, 0, sizeof(*cmd)); 1907bfcc09ddSBjoern A. Zeeb cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters); 1908bfcc09ddSBjoern A. Zeeb cmd->max_macs = ARRAY_SIZE(cmd->macs); 1909bfcc09ddSBjoern A. Zeeb 1910bfcc09ddSBjoern A. Zeeb #ifdef CONFIG_IWLWIFI_DEBUGFS 1911bfcc09ddSBjoern A. Zeeb /* use debugfs filters/macs if override is configured */ 1912bfcc09ddSBjoern A. Zeeb if (mvm->dbgfs_bcast_filtering.override) { 1913bfcc09ddSBjoern A. Zeeb memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters, 1914bfcc09ddSBjoern A. Zeeb sizeof(cmd->filters)); 1915bfcc09ddSBjoern A. Zeeb memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs, 1916bfcc09ddSBjoern A. Zeeb sizeof(cmd->macs)); 1917bfcc09ddSBjoern A. Zeeb return true; 1918bfcc09ddSBjoern A. Zeeb } 1919bfcc09ddSBjoern A. Zeeb #endif 1920bfcc09ddSBjoern A. Zeeb 1921bfcc09ddSBjoern A. Zeeb /* if no filters are configured, do nothing */ 1922bfcc09ddSBjoern A. Zeeb if (!mvm->bcast_filters) 1923bfcc09ddSBjoern A. Zeeb return false; 1924bfcc09ddSBjoern A. Zeeb 1925bfcc09ddSBjoern A. Zeeb /* configure and attach these filters for each associated sta vif */ 1926bfcc09ddSBjoern A. Zeeb ieee80211_iterate_active_interfaces( 1927bfcc09ddSBjoern A. Zeeb mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1928bfcc09ddSBjoern A. Zeeb iwl_mvm_bcast_filter_iterator, &iter_data); 1929bfcc09ddSBjoern A. Zeeb 1930bfcc09ddSBjoern A. Zeeb return true; 1931bfcc09ddSBjoern A. Zeeb } 1932bfcc09ddSBjoern A. Zeeb 1933bfcc09ddSBjoern A. Zeeb static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm) 1934bfcc09ddSBjoern A. Zeeb { 1935bfcc09ddSBjoern A. Zeeb struct iwl_bcast_filter_cmd cmd; 1936bfcc09ddSBjoern A. Zeeb 1937bfcc09ddSBjoern A. Zeeb if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING)) 1938bfcc09ddSBjoern A. Zeeb return 0; 1939bfcc09ddSBjoern A. Zeeb 1940bfcc09ddSBjoern A. Zeeb if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) 1941bfcc09ddSBjoern A. Zeeb return 0; 1942bfcc09ddSBjoern A. Zeeb 1943bfcc09ddSBjoern A. Zeeb return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, 1944bfcc09ddSBjoern A. Zeeb sizeof(cmd), &cmd); 1945bfcc09ddSBjoern A. Zeeb } 1946bfcc09ddSBjoern A. Zeeb #else 1947bfcc09ddSBjoern A. Zeeb static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm) 1948bfcc09ddSBjoern A. Zeeb { 1949bfcc09ddSBjoern A. Zeeb return 0; 1950bfcc09ddSBjoern A. Zeeb } 1951bfcc09ddSBjoern A. Zeeb #endif 1952bfcc09ddSBjoern A. Zeeb 1953bfcc09ddSBjoern A. Zeeb static int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, 1954bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 1955bfcc09ddSBjoern A. Zeeb { 1956bfcc09ddSBjoern A. Zeeb struct iwl_mu_group_mgmt_cmd cmd = {}; 1957bfcc09ddSBjoern A. Zeeb 1958bfcc09ddSBjoern A. Zeeb memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 1959bfcc09ddSBjoern A. Zeeb WLAN_MEMBERSHIP_LEN); 1960bfcc09ddSBjoern A. Zeeb memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 1961bfcc09ddSBjoern A. Zeeb WLAN_USER_POSITION_LEN); 1962bfcc09ddSBjoern A. Zeeb 1963bfcc09ddSBjoern A. Zeeb return iwl_mvm_send_cmd_pdu(mvm, 1964bfcc09ddSBjoern A. Zeeb WIDE_ID(DATA_PATH_GROUP, 1965bfcc09ddSBjoern A. Zeeb UPDATE_MU_GROUPS_CMD), 1966bfcc09ddSBjoern A. Zeeb 0, sizeof(cmd), &cmd); 1967bfcc09ddSBjoern A. Zeeb } 1968bfcc09ddSBjoern A. Zeeb 1969bfcc09ddSBjoern A. Zeeb static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 1970bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 1971bfcc09ddSBjoern A. Zeeb { 1972bfcc09ddSBjoern A. Zeeb if (vif->mu_mimo_owner) { 1973bfcc09ddSBjoern A. Zeeb struct iwl_mu_group_mgmt_notif *notif = _data; 1974bfcc09ddSBjoern A. Zeeb 1975bfcc09ddSBjoern A. Zeeb /* 1976bfcc09ddSBjoern A. Zeeb * MU-MIMO Group Id action frame is little endian. We treat 1977bfcc09ddSBjoern A. Zeeb * the data received from firmware as if it came from the 1978bfcc09ddSBjoern A. Zeeb * action frame, so no conversion is needed. 1979bfcc09ddSBjoern A. Zeeb */ 1980bfcc09ddSBjoern A. Zeeb ieee80211_update_mu_groups(vif, 1981bfcc09ddSBjoern A. Zeeb (u8 *)¬if->membership_status, 1982bfcc09ddSBjoern A. Zeeb (u8 *)¬if->user_position); 1983bfcc09ddSBjoern A. Zeeb } 1984bfcc09ddSBjoern A. Zeeb } 1985bfcc09ddSBjoern A. Zeeb 1986bfcc09ddSBjoern A. Zeeb void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 1987bfcc09ddSBjoern A. Zeeb struct iwl_rx_cmd_buffer *rxb) 1988bfcc09ddSBjoern A. Zeeb { 1989bfcc09ddSBjoern A. Zeeb struct iwl_rx_packet *pkt = rxb_addr(rxb); 1990bfcc09ddSBjoern A. Zeeb struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 1991bfcc09ddSBjoern A. Zeeb 1992bfcc09ddSBjoern A. Zeeb ieee80211_iterate_active_interfaces_atomic( 1993bfcc09ddSBjoern A. Zeeb mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1994bfcc09ddSBjoern A. Zeeb iwl_mvm_mu_mimo_iface_iterator, notif); 1995bfcc09ddSBjoern A. Zeeb } 1996bfcc09ddSBjoern A. Zeeb 1997bfcc09ddSBjoern A. Zeeb static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) 1998bfcc09ddSBjoern A. Zeeb { 1999bfcc09ddSBjoern A. Zeeb u8 byte_num = ppe_pos_bit / 8; 2000bfcc09ddSBjoern A. Zeeb u8 bit_num = ppe_pos_bit % 8; 2001bfcc09ddSBjoern A. Zeeb u8 residue_bits; 2002bfcc09ddSBjoern A. Zeeb u8 res; 2003bfcc09ddSBjoern A. Zeeb 2004bfcc09ddSBjoern A. Zeeb if (bit_num <= 5) 2005bfcc09ddSBjoern A. Zeeb return (ppe[byte_num] >> bit_num) & 2006bfcc09ddSBjoern A. Zeeb (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); 2007bfcc09ddSBjoern A. Zeeb 2008bfcc09ddSBjoern A. Zeeb /* 2009bfcc09ddSBjoern A. Zeeb * If bit_num > 5, we have to combine bits with next byte. 2010bfcc09ddSBjoern A. Zeeb * Calculate how many bits we need to take from current byte (called 2011bfcc09ddSBjoern A. Zeeb * here "residue_bits"), and add them to bits from next byte. 2012bfcc09ddSBjoern A. Zeeb */ 2013bfcc09ddSBjoern A. Zeeb 2014bfcc09ddSBjoern A. Zeeb residue_bits = 8 - bit_num; 2015bfcc09ddSBjoern A. Zeeb 2016bfcc09ddSBjoern A. Zeeb res = (ppe[byte_num + 1] & 2017bfcc09ddSBjoern A. Zeeb (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << 2018bfcc09ddSBjoern A. Zeeb residue_bits; 2019bfcc09ddSBjoern A. Zeeb res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); 2020bfcc09ddSBjoern A. Zeeb 2021bfcc09ddSBjoern A. Zeeb return res; 2022bfcc09ddSBjoern A. Zeeb } 2023bfcc09ddSBjoern A. Zeeb 2024bfcc09ddSBjoern A. Zeeb static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, 2025bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, u8 sta_id) 2026bfcc09ddSBjoern A. Zeeb { 2027bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2028bfcc09ddSBjoern A. Zeeb struct iwl_he_sta_context_cmd sta_ctxt_cmd = { 2029bfcc09ddSBjoern A. Zeeb .sta_id = sta_id, 2030bfcc09ddSBjoern A. Zeeb .tid_limit = IWL_MAX_TID_COUNT, 2031bfcc09ddSBjoern A. Zeeb .bss_color = vif->bss_conf.he_bss_color.color, 2032bfcc09ddSBjoern A. Zeeb .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, 2033bfcc09ddSBjoern A. Zeeb .frame_time_rts_th = 2034bfcc09ddSBjoern A. Zeeb cpu_to_le16(vif->bss_conf.frame_time_rts_th), 2035bfcc09ddSBjoern A. Zeeb }; 2036bfcc09ddSBjoern A. Zeeb int size = fw_has_api(&mvm->fw->ucode_capa, 2037bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_API_MBSSID_HE) ? 2038bfcc09ddSBjoern A. Zeeb sizeof(sta_ctxt_cmd) : 2039bfcc09ddSBjoern A. Zeeb sizeof(struct iwl_he_sta_context_cmd_v1); 2040bfcc09ddSBjoern A. Zeeb struct ieee80211_sta *sta; 2041bfcc09ddSBjoern A. Zeeb u32 flags; 2042bfcc09ddSBjoern A. Zeeb int i; 2043bfcc09ddSBjoern A. Zeeb const struct ieee80211_sta_he_cap *own_he_cap = NULL; 2044bfcc09ddSBjoern A. Zeeb struct ieee80211_chanctx_conf *chanctx_conf; 2045bfcc09ddSBjoern A. Zeeb const struct ieee80211_supported_band *sband; 2046bfcc09ddSBjoern A. Zeeb 2047bfcc09ddSBjoern A. Zeeb rcu_read_lock(); 2048bfcc09ddSBjoern A. Zeeb 2049bfcc09ddSBjoern A. Zeeb chanctx_conf = rcu_dereference(vif->chanctx_conf); 2050bfcc09ddSBjoern A. Zeeb if (WARN_ON(!chanctx_conf)) { 2051bfcc09ddSBjoern A. Zeeb rcu_read_unlock(); 2052bfcc09ddSBjoern A. Zeeb return; 2053bfcc09ddSBjoern A. Zeeb } 2054bfcc09ddSBjoern A. Zeeb 2055bfcc09ddSBjoern A. Zeeb sband = mvm->hw->wiphy->bands[chanctx_conf->def.chan->band]; 2056bfcc09ddSBjoern A. Zeeb own_he_cap = ieee80211_get_he_iftype_cap(sband, 2057bfcc09ddSBjoern A. Zeeb ieee80211_vif_type_p2p(vif)); 2058bfcc09ddSBjoern A. Zeeb 2059bfcc09ddSBjoern A. Zeeb sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); 2060bfcc09ddSBjoern A. Zeeb if (IS_ERR_OR_NULL(sta)) { 2061bfcc09ddSBjoern A. Zeeb rcu_read_unlock(); 2062bfcc09ddSBjoern A. Zeeb WARN(1, "Can't find STA to configure HE\n"); 2063bfcc09ddSBjoern A. Zeeb return; 2064bfcc09ddSBjoern A. Zeeb } 2065bfcc09ddSBjoern A. Zeeb 2066bfcc09ddSBjoern A. Zeeb if (!sta->he_cap.has_he) { 2067bfcc09ddSBjoern A. Zeeb rcu_read_unlock(); 2068bfcc09ddSBjoern A. Zeeb return; 2069bfcc09ddSBjoern A. Zeeb } 2070bfcc09ddSBjoern A. Zeeb 2071bfcc09ddSBjoern A. Zeeb flags = 0; 2072bfcc09ddSBjoern A. Zeeb 2073bfcc09ddSBjoern A. Zeeb /* Block 26-tone RU OFDMA transmissions */ 2074bfcc09ddSBjoern A. Zeeb if (mvmvif->he_ru_2mhz_block) 2075bfcc09ddSBjoern A. Zeeb flags |= STA_CTXT_HE_RU_2MHZ_BLOCK; 2076bfcc09ddSBjoern A. Zeeb 2077bfcc09ddSBjoern A. Zeeb /* HTC flags */ 2078bfcc09ddSBjoern A. Zeeb if (sta->he_cap.he_cap_elem.mac_cap_info[0] & 2079bfcc09ddSBjoern A. Zeeb IEEE80211_HE_MAC_CAP0_HTC_HE) 2080bfcc09ddSBjoern A. Zeeb sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); 2081bfcc09ddSBjoern A. Zeeb if ((sta->he_cap.he_cap_elem.mac_cap_info[1] & 2082bfcc09ddSBjoern A. Zeeb IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || 2083bfcc09ddSBjoern A. Zeeb (sta->he_cap.he_cap_elem.mac_cap_info[2] & 2084bfcc09ddSBjoern A. Zeeb IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { 2085bfcc09ddSBjoern A. Zeeb u8 link_adap = 2086bfcc09ddSBjoern A. Zeeb ((sta->he_cap.he_cap_elem.mac_cap_info[2] & 2087bfcc09ddSBjoern A. Zeeb IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + 2088bfcc09ddSBjoern A. Zeeb (sta->he_cap.he_cap_elem.mac_cap_info[1] & 2089bfcc09ddSBjoern A. Zeeb IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); 2090bfcc09ddSBjoern A. Zeeb 2091bfcc09ddSBjoern A. Zeeb if (link_adap == 2) 2092bfcc09ddSBjoern A. Zeeb sta_ctxt_cmd.htc_flags |= 2093bfcc09ddSBjoern A. Zeeb cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); 2094bfcc09ddSBjoern A. Zeeb else if (link_adap == 3) 2095bfcc09ddSBjoern A. Zeeb sta_ctxt_cmd.htc_flags |= 2096bfcc09ddSBjoern A. Zeeb cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); 2097bfcc09ddSBjoern A. Zeeb } 2098bfcc09ddSBjoern A. Zeeb if (sta->he_cap.he_cap_elem.mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) 2099bfcc09ddSBjoern A. Zeeb sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); 2100bfcc09ddSBjoern A. Zeeb if (sta->he_cap.he_cap_elem.mac_cap_info[3] & 2101bfcc09ddSBjoern A. Zeeb IEEE80211_HE_MAC_CAP3_OMI_CONTROL) 2102bfcc09ddSBjoern A. Zeeb sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); 2103bfcc09ddSBjoern A. Zeeb if (sta->he_cap.he_cap_elem.mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) 2104bfcc09ddSBjoern A. Zeeb sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); 2105bfcc09ddSBjoern A. Zeeb 2106bfcc09ddSBjoern A. Zeeb /* 2107bfcc09ddSBjoern A. Zeeb * Initialize the PPE thresholds to "None" (7), as described in Table 2108bfcc09ddSBjoern A. Zeeb * 9-262ac of 80211.ax/D3.0. 2109bfcc09ddSBjoern A. Zeeb */ 2110bfcc09ddSBjoern A. Zeeb memset(&sta_ctxt_cmd.pkt_ext, 7, sizeof(sta_ctxt_cmd.pkt_ext)); 2111bfcc09ddSBjoern A. Zeeb 2112bfcc09ddSBjoern A. Zeeb /* If PPE Thresholds exist, parse them into a FW-familiar format. */ 2113bfcc09ddSBjoern A. Zeeb if (sta->he_cap.he_cap_elem.phy_cap_info[6] & 2114bfcc09ddSBjoern A. Zeeb IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2115bfcc09ddSBjoern A. Zeeb u8 nss = (sta->he_cap.ppe_thres[0] & 2116bfcc09ddSBjoern A. Zeeb IEEE80211_PPE_THRES_NSS_MASK) + 1; 2117bfcc09ddSBjoern A. Zeeb u8 ru_index_bitmap = 2118bfcc09ddSBjoern A. Zeeb (sta->he_cap.ppe_thres[0] & 2119bfcc09ddSBjoern A. Zeeb IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK) >> 2120bfcc09ddSBjoern A. Zeeb IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS; 2121bfcc09ddSBjoern A. Zeeb u8 *ppe = &sta->he_cap.ppe_thres[0]; 2122bfcc09ddSBjoern A. Zeeb u8 ppe_pos_bit = 7; /* Starting after PPE header */ 2123bfcc09ddSBjoern A. Zeeb 2124bfcc09ddSBjoern A. Zeeb /* 2125bfcc09ddSBjoern A. Zeeb * FW currently supports only nss == MAX_HE_SUPP_NSS 2126bfcc09ddSBjoern A. Zeeb * 2127bfcc09ddSBjoern A. Zeeb * If nss > MAX: we can ignore values we don't support 2128bfcc09ddSBjoern A. Zeeb * If nss < MAX: we can set zeros in other streams 2129bfcc09ddSBjoern A. Zeeb */ 2130bfcc09ddSBjoern A. Zeeb if (nss > MAX_HE_SUPP_NSS) { 2131bfcc09ddSBjoern A. Zeeb IWL_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, 2132bfcc09ddSBjoern A. Zeeb MAX_HE_SUPP_NSS); 2133bfcc09ddSBjoern A. Zeeb nss = MAX_HE_SUPP_NSS; 2134bfcc09ddSBjoern A. Zeeb } 2135bfcc09ddSBjoern A. Zeeb 2136bfcc09ddSBjoern A. Zeeb for (i = 0; i < nss; i++) { 2137bfcc09ddSBjoern A. Zeeb u8 ru_index_tmp = ru_index_bitmap << 1; 2138bfcc09ddSBjoern A. Zeeb u8 bw; 2139bfcc09ddSBjoern A. Zeeb 2140bfcc09ddSBjoern A. Zeeb for (bw = 0; bw < MAX_HE_CHANNEL_BW_INDX; bw++) { 2141bfcc09ddSBjoern A. Zeeb ru_index_tmp >>= 1; 2142bfcc09ddSBjoern A. Zeeb if (!(ru_index_tmp & 1)) 2143bfcc09ddSBjoern A. Zeeb continue; 2144bfcc09ddSBjoern A. Zeeb 2145bfcc09ddSBjoern A. Zeeb sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][1] = 2146bfcc09ddSBjoern A. Zeeb iwl_mvm_he_get_ppe_val(ppe, 2147bfcc09ddSBjoern A. Zeeb ppe_pos_bit); 2148bfcc09ddSBjoern A. Zeeb ppe_pos_bit += 2149bfcc09ddSBjoern A. Zeeb IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2150bfcc09ddSBjoern A. Zeeb sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][0] = 2151bfcc09ddSBjoern A. Zeeb iwl_mvm_he_get_ppe_val(ppe, 2152bfcc09ddSBjoern A. Zeeb ppe_pos_bit); 2153bfcc09ddSBjoern A. Zeeb ppe_pos_bit += 2154bfcc09ddSBjoern A. Zeeb IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2155bfcc09ddSBjoern A. Zeeb } 2156bfcc09ddSBjoern A. Zeeb } 2157bfcc09ddSBjoern A. Zeeb 2158bfcc09ddSBjoern A. Zeeb flags |= STA_CTXT_HE_PACKET_EXT; 2159bfcc09ddSBjoern A. Zeeb } else if ((sta->he_cap.he_cap_elem.phy_cap_info[9] & 2160bfcc09ddSBjoern A. Zeeb IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK) != 2161bfcc09ddSBjoern A. Zeeb IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED) { 2162bfcc09ddSBjoern A. Zeeb int low_th = -1; 2163bfcc09ddSBjoern A. Zeeb int high_th = -1; 2164bfcc09ddSBjoern A. Zeeb 2165bfcc09ddSBjoern A. Zeeb /* Take the PPE thresholds from the nominal padding info */ 2166bfcc09ddSBjoern A. Zeeb switch (sta->he_cap.he_cap_elem.phy_cap_info[9] & 2167bfcc09ddSBjoern A. Zeeb IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK) { 2168bfcc09ddSBjoern A. Zeeb case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US: 2169bfcc09ddSBjoern A. Zeeb low_th = IWL_HE_PKT_EXT_NONE; 2170bfcc09ddSBjoern A. Zeeb high_th = IWL_HE_PKT_EXT_NONE; 2171bfcc09ddSBjoern A. Zeeb break; 2172bfcc09ddSBjoern A. Zeeb case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US: 2173bfcc09ddSBjoern A. Zeeb low_th = IWL_HE_PKT_EXT_BPSK; 2174bfcc09ddSBjoern A. Zeeb high_th = IWL_HE_PKT_EXT_NONE; 2175bfcc09ddSBjoern A. Zeeb break; 2176bfcc09ddSBjoern A. Zeeb case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US: 2177bfcc09ddSBjoern A. Zeeb low_th = IWL_HE_PKT_EXT_NONE; 2178bfcc09ddSBjoern A. Zeeb high_th = IWL_HE_PKT_EXT_BPSK; 2179bfcc09ddSBjoern A. Zeeb break; 2180bfcc09ddSBjoern A. Zeeb } 2181bfcc09ddSBjoern A. Zeeb 2182bfcc09ddSBjoern A. Zeeb /* Set the PPE thresholds accordingly */ 2183bfcc09ddSBjoern A. Zeeb if (low_th >= 0 && high_th >= 0) { 2184bfcc09ddSBjoern A. Zeeb struct iwl_he_pkt_ext *pkt_ext = 2185bfcc09ddSBjoern A. Zeeb (struct iwl_he_pkt_ext *)&sta_ctxt_cmd.pkt_ext; 2186bfcc09ddSBjoern A. Zeeb 2187bfcc09ddSBjoern A. Zeeb for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2188bfcc09ddSBjoern A. Zeeb u8 bw; 2189bfcc09ddSBjoern A. Zeeb 2190bfcc09ddSBjoern A. Zeeb for (bw = 0; bw < MAX_HE_CHANNEL_BW_INDX; 2191bfcc09ddSBjoern A. Zeeb bw++) { 2192bfcc09ddSBjoern A. Zeeb pkt_ext->pkt_ext_qam_th[i][bw][0] = 2193bfcc09ddSBjoern A. Zeeb low_th; 2194bfcc09ddSBjoern A. Zeeb pkt_ext->pkt_ext_qam_th[i][bw][1] = 2195bfcc09ddSBjoern A. Zeeb high_th; 2196bfcc09ddSBjoern A. Zeeb } 2197bfcc09ddSBjoern A. Zeeb } 2198bfcc09ddSBjoern A. Zeeb 2199bfcc09ddSBjoern A. Zeeb flags |= STA_CTXT_HE_PACKET_EXT; 2200bfcc09ddSBjoern A. Zeeb } 2201bfcc09ddSBjoern A. Zeeb } 2202bfcc09ddSBjoern A. Zeeb 2203bfcc09ddSBjoern A. Zeeb if (sta->he_cap.he_cap_elem.mac_cap_info[2] & 2204bfcc09ddSBjoern A. Zeeb IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP) 2205bfcc09ddSBjoern A. Zeeb flags |= STA_CTXT_HE_32BIT_BA_BITMAP; 2206bfcc09ddSBjoern A. Zeeb 2207bfcc09ddSBjoern A. Zeeb if (sta->he_cap.he_cap_elem.mac_cap_info[2] & 2208bfcc09ddSBjoern A. Zeeb IEEE80211_HE_MAC_CAP2_ACK_EN) 2209bfcc09ddSBjoern A. Zeeb flags |= STA_CTXT_HE_ACK_ENABLED; 2210bfcc09ddSBjoern A. Zeeb 2211bfcc09ddSBjoern A. Zeeb rcu_read_unlock(); 2212bfcc09ddSBjoern A. Zeeb 2213bfcc09ddSBjoern A. Zeeb /* Mark MU EDCA as enabled, unless none detected on some AC */ 2214bfcc09ddSBjoern A. Zeeb flags |= STA_CTXT_HE_MU_EDCA_CW; 2215bfcc09ddSBjoern A. Zeeb for (i = 0; i < IEEE80211_NUM_ACS; i++) { 2216bfcc09ddSBjoern A. Zeeb struct ieee80211_he_mu_edca_param_ac_rec *mu_edca = 2217bfcc09ddSBjoern A. Zeeb &mvmvif->queue_params[i].mu_edca_param_rec; 2218bfcc09ddSBjoern A. Zeeb u8 ac = iwl_mvm_mac80211_ac_to_ucode_ac(i); 2219bfcc09ddSBjoern A. Zeeb 2220bfcc09ddSBjoern A. Zeeb if (!mvmvif->queue_params[i].mu_edca) { 2221bfcc09ddSBjoern A. Zeeb flags &= ~STA_CTXT_HE_MU_EDCA_CW; 2222bfcc09ddSBjoern A. Zeeb break; 2223bfcc09ddSBjoern A. Zeeb } 2224bfcc09ddSBjoern A. Zeeb 2225bfcc09ddSBjoern A. Zeeb sta_ctxt_cmd.trig_based_txf[ac].cwmin = 2226bfcc09ddSBjoern A. Zeeb cpu_to_le16(mu_edca->ecw_min_max & 0xf); 2227bfcc09ddSBjoern A. Zeeb sta_ctxt_cmd.trig_based_txf[ac].cwmax = 2228bfcc09ddSBjoern A. Zeeb cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); 2229bfcc09ddSBjoern A. Zeeb sta_ctxt_cmd.trig_based_txf[ac].aifsn = 2230bfcc09ddSBjoern A. Zeeb cpu_to_le16(mu_edca->aifsn); 2231bfcc09ddSBjoern A. Zeeb sta_ctxt_cmd.trig_based_txf[ac].mu_time = 2232bfcc09ddSBjoern A. Zeeb cpu_to_le16(mu_edca->mu_edca_timer); 2233bfcc09ddSBjoern A. Zeeb } 2234bfcc09ddSBjoern A. Zeeb 2235bfcc09ddSBjoern A. Zeeb 2236bfcc09ddSBjoern A. Zeeb if (vif->bss_conf.uora_exists) { 2237bfcc09ddSBjoern A. Zeeb flags |= STA_CTXT_HE_TRIG_RND_ALLOC; 2238bfcc09ddSBjoern A. Zeeb 2239bfcc09ddSBjoern A. Zeeb sta_ctxt_cmd.rand_alloc_ecwmin = 2240bfcc09ddSBjoern A. Zeeb vif->bss_conf.uora_ocw_range & 0x7; 2241bfcc09ddSBjoern A. Zeeb sta_ctxt_cmd.rand_alloc_ecwmax = 2242bfcc09ddSBjoern A. Zeeb (vif->bss_conf.uora_ocw_range >> 3) & 0x7; 2243bfcc09ddSBjoern A. Zeeb } 2244bfcc09ddSBjoern A. Zeeb 2245bfcc09ddSBjoern A. Zeeb if (own_he_cap && !(own_he_cap->he_cap_elem.mac_cap_info[2] & 2246bfcc09ddSBjoern A. Zeeb IEEE80211_HE_MAC_CAP2_ACK_EN)) 2247bfcc09ddSBjoern A. Zeeb flags |= STA_CTXT_HE_NIC_NOT_ACK_ENABLED; 2248bfcc09ddSBjoern A. Zeeb 2249bfcc09ddSBjoern A. Zeeb if (vif->bss_conf.nontransmitted) { 2250bfcc09ddSBjoern A. Zeeb flags |= STA_CTXT_HE_REF_BSSID_VALID; 2251bfcc09ddSBjoern A. Zeeb ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr, 2252bfcc09ddSBjoern A. Zeeb vif->bss_conf.transmitter_bssid); 2253bfcc09ddSBjoern A. Zeeb sta_ctxt_cmd.max_bssid_indicator = 2254bfcc09ddSBjoern A. Zeeb vif->bss_conf.bssid_indicator; 2255bfcc09ddSBjoern A. Zeeb sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index; 2256bfcc09ddSBjoern A. Zeeb sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap; 2257bfcc09ddSBjoern A. Zeeb sta_ctxt_cmd.profile_periodicity = 2258bfcc09ddSBjoern A. Zeeb vif->bss_conf.profile_periodicity; 2259bfcc09ddSBjoern A. Zeeb } 2260bfcc09ddSBjoern A. Zeeb 2261bfcc09ddSBjoern A. Zeeb sta_ctxt_cmd.flags = cpu_to_le32(flags); 2262bfcc09ddSBjoern A. Zeeb 2263bfcc09ddSBjoern A. Zeeb if (iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(STA_HE_CTXT_CMD, 2264bfcc09ddSBjoern A. Zeeb DATA_PATH_GROUP, 0), 2265bfcc09ddSBjoern A. Zeeb 0, size, &sta_ctxt_cmd)) 2266bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "Failed to config FW to work HE!\n"); 2267bfcc09ddSBjoern A. Zeeb } 2268bfcc09ddSBjoern A. Zeeb 2269bfcc09ddSBjoern A. Zeeb static void iwl_mvm_protect_assoc(struct iwl_mvm *mvm, 2270bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 2271bfcc09ddSBjoern A. Zeeb u32 duration_override) 2272bfcc09ddSBjoern A. Zeeb { 2273bfcc09ddSBjoern A. Zeeb u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 2274bfcc09ddSBjoern A. Zeeb u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 2275bfcc09ddSBjoern A. Zeeb 2276bfcc09ddSBjoern A. Zeeb if (duration_override > duration) 2277bfcc09ddSBjoern A. Zeeb duration = duration_override; 2278bfcc09ddSBjoern A. Zeeb 2279bfcc09ddSBjoern A. Zeeb /* Try really hard to protect the session and hear a beacon 2280bfcc09ddSBjoern A. Zeeb * The new session protection command allows us to protect the 2281bfcc09ddSBjoern A. Zeeb * session for a much longer time since the firmware will internally 2282bfcc09ddSBjoern A. Zeeb * create two events: a 300TU one with a very high priority that 2283bfcc09ddSBjoern A. Zeeb * won't be fragmented which should be enough for 99% of the cases, 2284bfcc09ddSBjoern A. Zeeb * and another one (which we configure here to be 900TU long) which 2285bfcc09ddSBjoern A. Zeeb * will have a slightly lower priority, but more importantly, can be 2286bfcc09ddSBjoern A. Zeeb * fragmented so that it'll allow other activities to run. 2287bfcc09ddSBjoern A. Zeeb */ 2288bfcc09ddSBjoern A. Zeeb if (fw_has_capa(&mvm->fw->ucode_capa, 2289bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) 2290bfcc09ddSBjoern A. Zeeb iwl_mvm_schedule_session_protection(mvm, vif, 900, 2291bfcc09ddSBjoern A. Zeeb min_duration, false); 2292bfcc09ddSBjoern A. Zeeb else 2293bfcc09ddSBjoern A. Zeeb iwl_mvm_protect_session(mvm, vif, duration, 2294bfcc09ddSBjoern A. Zeeb min_duration, 500, false); 2295bfcc09ddSBjoern A. Zeeb } 2296bfcc09ddSBjoern A. Zeeb 2297bfcc09ddSBjoern A. Zeeb static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 2298bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 2299bfcc09ddSBjoern A. Zeeb struct ieee80211_bss_conf *bss_conf, 2300bfcc09ddSBjoern A. Zeeb u32 changes) 2301bfcc09ddSBjoern A. Zeeb { 2302bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2303bfcc09ddSBjoern A. Zeeb int ret; 2304bfcc09ddSBjoern A. Zeeb 2305bfcc09ddSBjoern A. Zeeb /* 2306bfcc09ddSBjoern A. Zeeb * Re-calculate the tsf id, as the leader-follower relations depend 2307bfcc09ddSBjoern A. Zeeb * on the beacon interval, which was not known when the station 2308bfcc09ddSBjoern A. Zeeb * interface was added. 2309bfcc09ddSBjoern A. Zeeb */ 2310bfcc09ddSBjoern A. Zeeb if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc) { 2311bfcc09ddSBjoern A. Zeeb if (vif->bss_conf.he_support && 2312bfcc09ddSBjoern A. Zeeb !iwlwifi_mod_params.disable_11ax) 2313bfcc09ddSBjoern A. Zeeb iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id); 2314bfcc09ddSBjoern A. Zeeb 2315bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2316bfcc09ddSBjoern A. Zeeb } 2317bfcc09ddSBjoern A. Zeeb 2318bfcc09ddSBjoern A. Zeeb /* Update MU EDCA params */ 2319bfcc09ddSBjoern A. Zeeb if (changes & BSS_CHANGED_QOS && mvmvif->associated && 2320bfcc09ddSBjoern A. Zeeb bss_conf->assoc && vif->bss_conf.he_support && 2321bfcc09ddSBjoern A. Zeeb !iwlwifi_mod_params.disable_11ax) 2322bfcc09ddSBjoern A. Zeeb iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id); 2323bfcc09ddSBjoern A. Zeeb 2324bfcc09ddSBjoern A. Zeeb /* 2325bfcc09ddSBjoern A. Zeeb * If we're not associated yet, take the (new) BSSID before associating 2326bfcc09ddSBjoern A. Zeeb * so the firmware knows. If we're already associated, then use the old 2327bfcc09ddSBjoern A. Zeeb * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 2328bfcc09ddSBjoern A. Zeeb * branch for disassociation below. 2329bfcc09ddSBjoern A. Zeeb */ 2330bfcc09ddSBjoern A. Zeeb if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 2331bfcc09ddSBjoern A. Zeeb memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); 2332bfcc09ddSBjoern A. Zeeb 2333bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid); 2334bfcc09ddSBjoern A. Zeeb if (ret) 2335bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2336bfcc09ddSBjoern A. Zeeb 2337bfcc09ddSBjoern A. Zeeb /* after sending it once, adopt mac80211 data */ 2338bfcc09ddSBjoern A. Zeeb memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); 2339bfcc09ddSBjoern A. Zeeb mvmvif->associated = bss_conf->assoc; 2340bfcc09ddSBjoern A. Zeeb 2341bfcc09ddSBjoern A. Zeeb if (changes & BSS_CHANGED_ASSOC) { 2342bfcc09ddSBjoern A. Zeeb if (bss_conf->assoc) { 2343bfcc09ddSBjoern A. Zeeb /* clear statistics to get clean beacon counter */ 2344bfcc09ddSBjoern A. Zeeb iwl_mvm_request_statistics(mvm, true); 2345bfcc09ddSBjoern A. Zeeb memset(&mvmvif->beacon_stats, 0, 2346bfcc09ddSBjoern A. Zeeb sizeof(mvmvif->beacon_stats)); 2347bfcc09ddSBjoern A. Zeeb 2348bfcc09ddSBjoern A. Zeeb /* add quota for this interface */ 2349bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_update_quotas(mvm, true, NULL); 2350bfcc09ddSBjoern A. Zeeb if (ret) { 2351bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "failed to update quotas\n"); 2352bfcc09ddSBjoern A. Zeeb return; 2353bfcc09ddSBjoern A. Zeeb } 2354bfcc09ddSBjoern A. Zeeb 2355bfcc09ddSBjoern A. Zeeb if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2356bfcc09ddSBjoern A. Zeeb &mvm->status) && 2357bfcc09ddSBjoern A. Zeeb !fw_has_capa(&mvm->fw->ucode_capa, 2358bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) { 2359bfcc09ddSBjoern A. Zeeb /* 2360bfcc09ddSBjoern A. Zeeb * If we're restarting then the firmware will 2361bfcc09ddSBjoern A. Zeeb * obviously have lost synchronisation with 2362bfcc09ddSBjoern A. Zeeb * the AP. It will attempt to synchronise by 2363bfcc09ddSBjoern A. Zeeb * itself, but we can make it more reliable by 2364bfcc09ddSBjoern A. Zeeb * scheduling a session protection time event. 2365bfcc09ddSBjoern A. Zeeb * 2366bfcc09ddSBjoern A. Zeeb * The firmware needs to receive a beacon to 2367bfcc09ddSBjoern A. Zeeb * catch up with synchronisation, use 110% of 2368bfcc09ddSBjoern A. Zeeb * the beacon interval. 2369bfcc09ddSBjoern A. Zeeb * 2370bfcc09ddSBjoern A. Zeeb * Set a large maximum delay to allow for more 2371bfcc09ddSBjoern A. Zeeb * than a single interface. 2372bfcc09ddSBjoern A. Zeeb * 2373bfcc09ddSBjoern A. Zeeb * For new firmware versions, rely on the 2374bfcc09ddSBjoern A. Zeeb * firmware. This is relevant for DCM scenarios 2375bfcc09ddSBjoern A. Zeeb * only anyway. 2376bfcc09ddSBjoern A. Zeeb */ 2377bfcc09ddSBjoern A. Zeeb u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 2378bfcc09ddSBjoern A. Zeeb iwl_mvm_protect_session(mvm, vif, dur, dur, 2379bfcc09ddSBjoern A. Zeeb 5 * dur, false); 2380bfcc09ddSBjoern A. Zeeb } else if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2381bfcc09ddSBjoern A. Zeeb &mvm->status) && 2382bfcc09ddSBjoern A. Zeeb !vif->bss_conf.dtim_period) { 2383bfcc09ddSBjoern A. Zeeb /* 2384bfcc09ddSBjoern A. Zeeb * If we're not restarting and still haven't 2385bfcc09ddSBjoern A. Zeeb * heard a beacon (dtim period unknown) then 2386bfcc09ddSBjoern A. Zeeb * make sure we still have enough minimum time 2387bfcc09ddSBjoern A. Zeeb * remaining in the time event, since the auth 2388bfcc09ddSBjoern A. Zeeb * might actually have taken quite a while 2389bfcc09ddSBjoern A. Zeeb * (especially for SAE) and so the remaining 2390bfcc09ddSBjoern A. Zeeb * time could be small without us having heard 2391bfcc09ddSBjoern A. Zeeb * a beacon yet. 2392bfcc09ddSBjoern A. Zeeb */ 2393bfcc09ddSBjoern A. Zeeb iwl_mvm_protect_assoc(mvm, vif, 0); 2394bfcc09ddSBjoern A. Zeeb } 2395bfcc09ddSBjoern A. Zeeb 2396bfcc09ddSBjoern A. Zeeb iwl_mvm_sf_update(mvm, vif, false); 2397bfcc09ddSBjoern A. Zeeb iwl_mvm_power_vif_assoc(mvm, vif); 2398bfcc09ddSBjoern A. Zeeb if (vif->p2p) { 2399bfcc09ddSBjoern A. Zeeb iwl_mvm_update_smps(mvm, vif, 2400bfcc09ddSBjoern A. Zeeb IWL_MVM_SMPS_REQ_PROT, 2401bfcc09ddSBjoern A. Zeeb IEEE80211_SMPS_DYNAMIC); 2402bfcc09ddSBjoern A. Zeeb } 2403bfcc09ddSBjoern A. Zeeb } else if (mvmvif->ap_sta_id != IWL_MVM_INVALID_STA) { 2404bfcc09ddSBjoern A. Zeeb /* 2405bfcc09ddSBjoern A. Zeeb * If update fails - SF might be running in associated 2406bfcc09ddSBjoern A. Zeeb * mode while disassociated - which is forbidden. 2407bfcc09ddSBjoern A. Zeeb */ 2408bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_sf_update(mvm, vif, false); 2409bfcc09ddSBjoern A. Zeeb WARN_ONCE(ret && 2410bfcc09ddSBjoern A. Zeeb !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 2411bfcc09ddSBjoern A. Zeeb &mvm->status), 2412bfcc09ddSBjoern A. Zeeb "Failed to update SF upon disassociation\n"); 2413bfcc09ddSBjoern A. Zeeb 2414bfcc09ddSBjoern A. Zeeb /* 2415bfcc09ddSBjoern A. Zeeb * If we get an assert during the connection (after the 2416bfcc09ddSBjoern A. Zeeb * station has been added, but before the vif is set 2417bfcc09ddSBjoern A. Zeeb * to associated), mac80211 will re-add the station and 2418bfcc09ddSBjoern A. Zeeb * then configure the vif. Since the vif is not 2419bfcc09ddSBjoern A. Zeeb * associated, we would remove the station here and 2420bfcc09ddSBjoern A. Zeeb * this would fail the recovery. 2421bfcc09ddSBjoern A. Zeeb */ 2422bfcc09ddSBjoern A. Zeeb if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2423bfcc09ddSBjoern A. Zeeb &mvm->status)) { 2424bfcc09ddSBjoern A. Zeeb /* 2425bfcc09ddSBjoern A. Zeeb * Remove AP station now that 2426bfcc09ddSBjoern A. Zeeb * the MAC is unassoc 2427bfcc09ddSBjoern A. Zeeb */ 2428bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_rm_sta_id(mvm, vif, 2429bfcc09ddSBjoern A. Zeeb mvmvif->ap_sta_id); 2430bfcc09ddSBjoern A. Zeeb if (ret) 2431bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, 2432bfcc09ddSBjoern A. Zeeb "failed to remove AP station\n"); 2433bfcc09ddSBjoern A. Zeeb 2434bfcc09ddSBjoern A. Zeeb mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; 2435bfcc09ddSBjoern A. Zeeb } 2436bfcc09ddSBjoern A. Zeeb 2437bfcc09ddSBjoern A. Zeeb /* remove quota for this interface */ 2438bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_update_quotas(mvm, false, NULL); 2439bfcc09ddSBjoern A. Zeeb if (ret) 2440bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "failed to update quotas\n"); 2441bfcc09ddSBjoern A. Zeeb 2442bfcc09ddSBjoern A. Zeeb /* this will take the cleared BSSID from bss_conf */ 2443bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2444bfcc09ddSBjoern A. Zeeb if (ret) 2445bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, 2446bfcc09ddSBjoern A. Zeeb "failed to update MAC %pM (clear after unassoc)\n", 2447bfcc09ddSBjoern A. Zeeb vif->addr); 2448bfcc09ddSBjoern A. Zeeb } 2449bfcc09ddSBjoern A. Zeeb 2450bfcc09ddSBjoern A. Zeeb /* 2451bfcc09ddSBjoern A. Zeeb * The firmware tracks the MU-MIMO group on its own. 2452bfcc09ddSBjoern A. Zeeb * However, on HW restart we should restore this data. 2453bfcc09ddSBjoern A. Zeeb */ 2454bfcc09ddSBjoern A. Zeeb if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2455bfcc09ddSBjoern A. Zeeb (changes & BSS_CHANGED_MU_GROUPS) && vif->mu_mimo_owner) { 2456bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_update_mu_groups(mvm, vif); 2457bfcc09ddSBjoern A. Zeeb if (ret) 2458bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, 2459bfcc09ddSBjoern A. Zeeb "failed to update VHT MU_MIMO groups\n"); 2460bfcc09ddSBjoern A. Zeeb } 2461bfcc09ddSBjoern A. Zeeb 2462bfcc09ddSBjoern A. Zeeb iwl_mvm_recalc_multicast(mvm); 2463bfcc09ddSBjoern A. Zeeb iwl_mvm_configure_bcast_filter(mvm); 2464bfcc09ddSBjoern A. Zeeb 2465bfcc09ddSBjoern A. Zeeb /* reset rssi values */ 2466bfcc09ddSBjoern A. Zeeb mvmvif->bf_data.ave_beacon_signal = 0; 2467bfcc09ddSBjoern A. Zeeb 2468bfcc09ddSBjoern A. Zeeb iwl_mvm_bt_coex_vif_change(mvm); 2469bfcc09ddSBjoern A. Zeeb iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2470bfcc09ddSBjoern A. Zeeb IEEE80211_SMPS_AUTOMATIC); 2471bfcc09ddSBjoern A. Zeeb if (fw_has_capa(&mvm->fw->ucode_capa, 2472bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2473bfcc09ddSBjoern A. Zeeb iwl_mvm_config_scan(mvm); 2474bfcc09ddSBjoern A. Zeeb } 2475bfcc09ddSBjoern A. Zeeb 2476bfcc09ddSBjoern A. Zeeb if (changes & BSS_CHANGED_BEACON_INFO) { 2477bfcc09ddSBjoern A. Zeeb /* 2478bfcc09ddSBjoern A. Zeeb * We received a beacon from the associated AP so 2479bfcc09ddSBjoern A. Zeeb * remove the session protection. 2480bfcc09ddSBjoern A. Zeeb * A firmware with the new API will remove it automatically. 2481bfcc09ddSBjoern A. Zeeb */ 2482bfcc09ddSBjoern A. Zeeb if (!fw_has_capa(&mvm->fw->ucode_capa, 2483bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) 2484bfcc09ddSBjoern A. Zeeb iwl_mvm_stop_session_protection(mvm, vif); 2485bfcc09ddSBjoern A. Zeeb 2486bfcc09ddSBjoern A. Zeeb iwl_mvm_sf_update(mvm, vif, false); 2487bfcc09ddSBjoern A. Zeeb WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 2488bfcc09ddSBjoern A. Zeeb } 2489bfcc09ddSBjoern A. Zeeb 2490bfcc09ddSBjoern A. Zeeb if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2491bfcc09ddSBjoern A. Zeeb /* 2492bfcc09ddSBjoern A. Zeeb * Send power command on every beacon change, 2493bfcc09ddSBjoern A. Zeeb * because we may have not enabled beacon abort yet. 2494bfcc09ddSBjoern A. Zeeb */ 2495bfcc09ddSBjoern A. Zeeb BSS_CHANGED_BEACON_INFO)) { 2496bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_power_update_mac(mvm); 2497bfcc09ddSBjoern A. Zeeb if (ret) 2498bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "failed to update power mode\n"); 2499bfcc09ddSBjoern A. Zeeb } 2500bfcc09ddSBjoern A. Zeeb 2501bfcc09ddSBjoern A. Zeeb if (changes & BSS_CHANGED_CQM) { 2502bfcc09ddSBjoern A. Zeeb IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n"); 2503bfcc09ddSBjoern A. Zeeb /* reset cqm events tracking */ 2504bfcc09ddSBjoern A. Zeeb mvmvif->bf_data.last_cqm_event = 0; 2505bfcc09ddSBjoern A. Zeeb if (mvmvif->bf_data.bf_enabled) { 2506bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 2507bfcc09ddSBjoern A. Zeeb if (ret) 2508bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, 2509bfcc09ddSBjoern A. Zeeb "failed to update CQM thresholds\n"); 2510bfcc09ddSBjoern A. Zeeb } 2511bfcc09ddSBjoern A. Zeeb } 2512bfcc09ddSBjoern A. Zeeb 2513bfcc09ddSBjoern A. Zeeb if (changes & BSS_CHANGED_ARP_FILTER) { 2514bfcc09ddSBjoern A. Zeeb IWL_DEBUG_MAC80211(mvm, "arp filter changed\n"); 2515bfcc09ddSBjoern A. Zeeb iwl_mvm_configure_bcast_filter(mvm); 2516bfcc09ddSBjoern A. Zeeb } 2517bfcc09ddSBjoern A. Zeeb 2518bfcc09ddSBjoern A. Zeeb if (changes & BSS_CHANGED_BANDWIDTH) 2519bfcc09ddSBjoern A. Zeeb iwl_mvm_apply_fw_smps_request(vif); 2520bfcc09ddSBjoern A. Zeeb } 2521bfcc09ddSBjoern A. Zeeb 2522bfcc09ddSBjoern A. Zeeb static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 2523bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 2524bfcc09ddSBjoern A. Zeeb { 2525bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2526bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2527bfcc09ddSBjoern A. Zeeb int ret, i; 2528bfcc09ddSBjoern A. Zeeb 2529bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 2530bfcc09ddSBjoern A. Zeeb 2531bfcc09ddSBjoern A. Zeeb /* Send the beacon template */ 2532bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif); 2533bfcc09ddSBjoern A. Zeeb if (ret) 2534bfcc09ddSBjoern A. Zeeb goto out_unlock; 2535bfcc09ddSBjoern A. Zeeb 2536bfcc09ddSBjoern A. Zeeb /* 2537bfcc09ddSBjoern A. Zeeb * Re-calculate the tsf id, as the leader-follower relations depend on 2538bfcc09ddSBjoern A. Zeeb * the beacon interval, which was not known when the AP interface 2539bfcc09ddSBjoern A. Zeeb * was added. 2540bfcc09ddSBjoern A. Zeeb */ 2541bfcc09ddSBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_AP) 2542bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2543bfcc09ddSBjoern A. Zeeb 2544bfcc09ddSBjoern A. Zeeb mvmvif->ap_assoc_sta_count = 0; 2545bfcc09ddSBjoern A. Zeeb 2546bfcc09ddSBjoern A. Zeeb /* Add the mac context */ 2547bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_mac_ctxt_add(mvm, vif); 2548bfcc09ddSBjoern A. Zeeb if (ret) 2549bfcc09ddSBjoern A. Zeeb goto out_unlock; 2550bfcc09ddSBjoern A. Zeeb 2551bfcc09ddSBjoern A. Zeeb /* Perform the binding */ 2552bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_binding_add_vif(mvm, vif); 2553bfcc09ddSBjoern A. Zeeb if (ret) 2554bfcc09ddSBjoern A. Zeeb goto out_remove; 2555bfcc09ddSBjoern A. Zeeb 2556bfcc09ddSBjoern A. Zeeb /* 2557bfcc09ddSBjoern A. Zeeb * This is not very nice, but the simplest: 2558bfcc09ddSBjoern A. Zeeb * For older FWs adding the mcast sta before the bcast station may 2559bfcc09ddSBjoern A. Zeeb * cause assert 0x2b00. 2560bfcc09ddSBjoern A. Zeeb * This is fixed in later FW so make the order of removal depend on 2561bfcc09ddSBjoern A. Zeeb * the TLV 2562bfcc09ddSBjoern A. Zeeb */ 2563bfcc09ddSBjoern A. Zeeb if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { 2564bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_add_mcast_sta(mvm, vif); 2565bfcc09ddSBjoern A. Zeeb if (ret) 2566bfcc09ddSBjoern A. Zeeb goto out_unbind; 2567bfcc09ddSBjoern A. Zeeb /* 2568bfcc09ddSBjoern A. Zeeb * Send the bcast station. At this stage the TBTT and DTIM time 2569bfcc09ddSBjoern A. Zeeb * events are added and applied to the scheduler 2570bfcc09ddSBjoern A. Zeeb */ 2571bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 2572bfcc09ddSBjoern A. Zeeb if (ret) { 2573bfcc09ddSBjoern A. Zeeb iwl_mvm_rm_mcast_sta(mvm, vif); 2574bfcc09ddSBjoern A. Zeeb goto out_unbind; 2575bfcc09ddSBjoern A. Zeeb } 2576bfcc09ddSBjoern A. Zeeb } else { 2577bfcc09ddSBjoern A. Zeeb /* 2578bfcc09ddSBjoern A. Zeeb * Send the bcast station. At this stage the TBTT and DTIM time 2579bfcc09ddSBjoern A. Zeeb * events are added and applied to the scheduler 2580bfcc09ddSBjoern A. Zeeb */ 2581bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 2582bfcc09ddSBjoern A. Zeeb if (ret) 2583bfcc09ddSBjoern A. Zeeb goto out_unbind; 2584bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_add_mcast_sta(mvm, vif); 2585bfcc09ddSBjoern A. Zeeb if (ret) { 2586bfcc09ddSBjoern A. Zeeb iwl_mvm_send_rm_bcast_sta(mvm, vif); 2587bfcc09ddSBjoern A. Zeeb goto out_unbind; 2588bfcc09ddSBjoern A. Zeeb } 2589bfcc09ddSBjoern A. Zeeb } 2590bfcc09ddSBjoern A. Zeeb 2591bfcc09ddSBjoern A. Zeeb /* must be set before quota calculations */ 2592bfcc09ddSBjoern A. Zeeb mvmvif->ap_ibss_active = true; 2593bfcc09ddSBjoern A. Zeeb 2594bfcc09ddSBjoern A. Zeeb /* send all the early keys to the device now */ 2595bfcc09ddSBjoern A. Zeeb for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 2596bfcc09ddSBjoern A. Zeeb struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i]; 2597bfcc09ddSBjoern A. Zeeb 2598bfcc09ddSBjoern A. Zeeb if (!key) 2599bfcc09ddSBjoern A. Zeeb continue; 2600bfcc09ddSBjoern A. Zeeb 2601bfcc09ddSBjoern A. Zeeb mvmvif->ap_early_keys[i] = NULL; 2602bfcc09ddSBjoern A. Zeeb 2603bfcc09ddSBjoern A. Zeeb ret = __iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key); 2604bfcc09ddSBjoern A. Zeeb if (ret) 2605bfcc09ddSBjoern A. Zeeb goto out_quota_failed; 2606bfcc09ddSBjoern A. Zeeb } 2607bfcc09ddSBjoern A. Zeeb 2608bfcc09ddSBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 2609bfcc09ddSBjoern A. Zeeb iwl_mvm_vif_set_low_latency(mvmvif, true, 2610bfcc09ddSBjoern A. Zeeb LOW_LATENCY_VIF_TYPE); 2611bfcc09ddSBjoern A. Zeeb iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); 2612bfcc09ddSBjoern A. Zeeb } 2613bfcc09ddSBjoern A. Zeeb 2614bfcc09ddSBjoern A. Zeeb /* power updated needs to be done before quotas */ 2615bfcc09ddSBjoern A. Zeeb iwl_mvm_power_update_mac(mvm); 2616bfcc09ddSBjoern A. Zeeb 2617bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_update_quotas(mvm, false, NULL); 2618bfcc09ddSBjoern A. Zeeb if (ret) 2619bfcc09ddSBjoern A. Zeeb goto out_quota_failed; 2620bfcc09ddSBjoern A. Zeeb 2621bfcc09ddSBjoern A. Zeeb /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2622bfcc09ddSBjoern A. Zeeb if (vif->p2p && mvm->p2p_device_vif) 2623bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2624bfcc09ddSBjoern A. Zeeb 2625bfcc09ddSBjoern A. Zeeb iwl_mvm_bt_coex_vif_change(mvm); 2626bfcc09ddSBjoern A. Zeeb 2627bfcc09ddSBjoern A. Zeeb /* we don't support TDLS during DCM */ 2628bfcc09ddSBjoern A. Zeeb if (iwl_mvm_phy_ctx_count(mvm) > 1) 2629bfcc09ddSBjoern A. Zeeb iwl_mvm_teardown_tdls_peers(mvm); 2630bfcc09ddSBjoern A. Zeeb 2631bfcc09ddSBjoern A. Zeeb iwl_mvm_ftm_restart_responder(mvm, vif); 2632bfcc09ddSBjoern A. Zeeb 2633bfcc09ddSBjoern A. Zeeb goto out_unlock; 2634bfcc09ddSBjoern A. Zeeb 2635bfcc09ddSBjoern A. Zeeb out_quota_failed: 2636bfcc09ddSBjoern A. Zeeb iwl_mvm_power_update_mac(mvm); 2637bfcc09ddSBjoern A. Zeeb mvmvif->ap_ibss_active = false; 2638bfcc09ddSBjoern A. Zeeb iwl_mvm_send_rm_bcast_sta(mvm, vif); 2639bfcc09ddSBjoern A. Zeeb iwl_mvm_rm_mcast_sta(mvm, vif); 2640bfcc09ddSBjoern A. Zeeb out_unbind: 2641bfcc09ddSBjoern A. Zeeb iwl_mvm_binding_remove_vif(mvm, vif); 2642bfcc09ddSBjoern A. Zeeb out_remove: 2643bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_ctxt_remove(mvm, vif); 2644bfcc09ddSBjoern A. Zeeb out_unlock: 2645bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 2646bfcc09ddSBjoern A. Zeeb return ret; 2647bfcc09ddSBjoern A. Zeeb } 2648bfcc09ddSBjoern A. Zeeb 2649bfcc09ddSBjoern A. Zeeb static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 2650bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 2651bfcc09ddSBjoern A. Zeeb { 2652bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2653bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2654bfcc09ddSBjoern A. Zeeb 2655bfcc09ddSBjoern A. Zeeb iwl_mvm_prepare_mac_removal(mvm, vif); 2656bfcc09ddSBjoern A. Zeeb 2657bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 2658bfcc09ddSBjoern A. Zeeb 2659bfcc09ddSBjoern A. Zeeb /* Handle AP stop while in CSA */ 2660bfcc09ddSBjoern A. Zeeb if (rcu_access_pointer(mvm->csa_vif) == vif) { 2661bfcc09ddSBjoern A. Zeeb iwl_mvm_remove_time_event(mvm, mvmvif, 2662bfcc09ddSBjoern A. Zeeb &mvmvif->time_event_data); 2663bfcc09ddSBjoern A. Zeeb RCU_INIT_POINTER(mvm->csa_vif, NULL); 2664bfcc09ddSBjoern A. Zeeb mvmvif->csa_countdown = false; 2665bfcc09ddSBjoern A. Zeeb } 2666bfcc09ddSBjoern A. Zeeb 2667bfcc09ddSBjoern A. Zeeb if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 2668bfcc09ddSBjoern A. Zeeb RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 2669bfcc09ddSBjoern A. Zeeb mvm->csa_tx_block_bcn_timeout = 0; 2670bfcc09ddSBjoern A. Zeeb } 2671bfcc09ddSBjoern A. Zeeb 2672bfcc09ddSBjoern A. Zeeb mvmvif->ap_ibss_active = false; 2673bfcc09ddSBjoern A. Zeeb mvm->ap_last_beacon_gp2 = 0; 2674bfcc09ddSBjoern A. Zeeb 2675bfcc09ddSBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 2676bfcc09ddSBjoern A. Zeeb iwl_mvm_vif_set_low_latency(mvmvif, false, 2677bfcc09ddSBjoern A. Zeeb LOW_LATENCY_VIF_TYPE); 2678bfcc09ddSBjoern A. Zeeb iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); 2679bfcc09ddSBjoern A. Zeeb } 2680bfcc09ddSBjoern A. Zeeb 2681bfcc09ddSBjoern A. Zeeb iwl_mvm_bt_coex_vif_change(mvm); 2682bfcc09ddSBjoern A. Zeeb 2683bfcc09ddSBjoern A. Zeeb /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2684bfcc09ddSBjoern A. Zeeb if (vif->p2p && mvm->p2p_device_vif) 2685bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2686bfcc09ddSBjoern A. Zeeb 2687bfcc09ddSBjoern A. Zeeb iwl_mvm_update_quotas(mvm, false, NULL); 2688bfcc09ddSBjoern A. Zeeb 2689bfcc09ddSBjoern A. Zeeb iwl_mvm_ftm_responder_clear(mvm, vif); 2690bfcc09ddSBjoern A. Zeeb 2691bfcc09ddSBjoern A. Zeeb /* 2692bfcc09ddSBjoern A. Zeeb * This is not very nice, but the simplest: 2693bfcc09ddSBjoern A. Zeeb * For older FWs removing the mcast sta before the bcast station may 2694bfcc09ddSBjoern A. Zeeb * cause assert 0x2b00. 2695bfcc09ddSBjoern A. Zeeb * This is fixed in later FW (which will stop beaconing when removing 2696bfcc09ddSBjoern A. Zeeb * bcast station). 2697bfcc09ddSBjoern A. Zeeb * So make the order of removal depend on the TLV 2698bfcc09ddSBjoern A. Zeeb */ 2699bfcc09ddSBjoern A. Zeeb if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 2700bfcc09ddSBjoern A. Zeeb iwl_mvm_rm_mcast_sta(mvm, vif); 2701bfcc09ddSBjoern A. Zeeb iwl_mvm_send_rm_bcast_sta(mvm, vif); 2702bfcc09ddSBjoern A. Zeeb if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 2703bfcc09ddSBjoern A. Zeeb iwl_mvm_rm_mcast_sta(mvm, vif); 2704bfcc09ddSBjoern A. Zeeb iwl_mvm_binding_remove_vif(mvm, vif); 2705bfcc09ddSBjoern A. Zeeb 2706bfcc09ddSBjoern A. Zeeb iwl_mvm_power_update_mac(mvm); 2707bfcc09ddSBjoern A. Zeeb 2708bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_ctxt_remove(mvm, vif); 2709bfcc09ddSBjoern A. Zeeb 2710bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 2711bfcc09ddSBjoern A. Zeeb } 2712bfcc09ddSBjoern A. Zeeb 2713bfcc09ddSBjoern A. Zeeb static void 2714bfcc09ddSBjoern A. Zeeb iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 2715bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 2716bfcc09ddSBjoern A. Zeeb struct ieee80211_bss_conf *bss_conf, 2717bfcc09ddSBjoern A. Zeeb u32 changes) 2718bfcc09ddSBjoern A. Zeeb { 2719bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2720bfcc09ddSBjoern A. Zeeb 2721bfcc09ddSBjoern A. Zeeb /* Changes will be applied when the AP/IBSS is started */ 2722bfcc09ddSBjoern A. Zeeb if (!mvmvif->ap_ibss_active) 2723bfcc09ddSBjoern A. Zeeb return; 2724bfcc09ddSBjoern A. Zeeb 2725bfcc09ddSBjoern A. Zeeb if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 2726bfcc09ddSBjoern A. Zeeb BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 2727bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 2728bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2729bfcc09ddSBjoern A. Zeeb 2730bfcc09ddSBjoern A. Zeeb /* Need to send a new beacon template to the FW */ 2731bfcc09ddSBjoern A. Zeeb if (changes & BSS_CHANGED_BEACON && 2732bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_ctxt_beacon_changed(mvm, vif)) 2733bfcc09ddSBjoern A. Zeeb IWL_WARN(mvm, "Failed updating beacon data\n"); 2734bfcc09ddSBjoern A. Zeeb 2735bfcc09ddSBjoern A. Zeeb if (changes & BSS_CHANGED_FTM_RESPONDER) { 2736bfcc09ddSBjoern A. Zeeb int ret = iwl_mvm_ftm_start_responder(mvm, vif); 2737bfcc09ddSBjoern A. Zeeb 2738bfcc09ddSBjoern A. Zeeb if (ret) 2739bfcc09ddSBjoern A. Zeeb IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n", 2740bfcc09ddSBjoern A. Zeeb ret); 2741bfcc09ddSBjoern A. Zeeb } 2742bfcc09ddSBjoern A. Zeeb 2743bfcc09ddSBjoern A. Zeeb } 2744bfcc09ddSBjoern A. Zeeb 2745bfcc09ddSBjoern A. Zeeb static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 2746bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 2747bfcc09ddSBjoern A. Zeeb struct ieee80211_bss_conf *bss_conf, 2748bfcc09ddSBjoern A. Zeeb u32 changes) 2749bfcc09ddSBjoern A. Zeeb { 2750bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2751bfcc09ddSBjoern A. Zeeb 2752bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 2753bfcc09ddSBjoern A. Zeeb 2754bfcc09ddSBjoern A. Zeeb if (changes & BSS_CHANGED_IDLE && !bss_conf->idle) 2755bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 2756bfcc09ddSBjoern A. Zeeb 2757bfcc09ddSBjoern A. Zeeb switch (vif->type) { 2758bfcc09ddSBjoern A. Zeeb case NL80211_IFTYPE_STATION: 2759bfcc09ddSBjoern A. Zeeb iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); 2760bfcc09ddSBjoern A. Zeeb break; 2761bfcc09ddSBjoern A. Zeeb case NL80211_IFTYPE_AP: 2762bfcc09ddSBjoern A. Zeeb case NL80211_IFTYPE_ADHOC: 2763bfcc09ddSBjoern A. Zeeb iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); 2764bfcc09ddSBjoern A. Zeeb break; 2765bfcc09ddSBjoern A. Zeeb case NL80211_IFTYPE_MONITOR: 2766bfcc09ddSBjoern A. Zeeb if (changes & BSS_CHANGED_MU_GROUPS) 2767bfcc09ddSBjoern A. Zeeb iwl_mvm_update_mu_groups(mvm, vif); 2768bfcc09ddSBjoern A. Zeeb break; 2769bfcc09ddSBjoern A. Zeeb default: 2770bfcc09ddSBjoern A. Zeeb /* shouldn't happen */ 2771bfcc09ddSBjoern A. Zeeb WARN_ON_ONCE(1); 2772bfcc09ddSBjoern A. Zeeb } 2773bfcc09ddSBjoern A. Zeeb 2774bfcc09ddSBjoern A. Zeeb if (changes & BSS_CHANGED_TXPOWER) { 2775bfcc09ddSBjoern A. Zeeb IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d dBm\n", 2776bfcc09ddSBjoern A. Zeeb bss_conf->txpower); 2777bfcc09ddSBjoern A. Zeeb iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 2778bfcc09ddSBjoern A. Zeeb } 2779bfcc09ddSBjoern A. Zeeb 2780bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 2781bfcc09ddSBjoern A. Zeeb } 2782bfcc09ddSBjoern A. Zeeb 2783bfcc09ddSBjoern A. Zeeb static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, 2784bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 2785bfcc09ddSBjoern A. Zeeb struct ieee80211_scan_request *hw_req) 2786bfcc09ddSBjoern A. Zeeb { 2787bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2788bfcc09ddSBjoern A. Zeeb int ret; 2789bfcc09ddSBjoern A. Zeeb 2790bfcc09ddSBjoern A. Zeeb if (hw_req->req.n_channels == 0 || 2791bfcc09ddSBjoern A. Zeeb hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 2792bfcc09ddSBjoern A. Zeeb return -EINVAL; 2793bfcc09ddSBjoern A. Zeeb 2794bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 2795bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 2796bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 2797bfcc09ddSBjoern A. Zeeb 2798bfcc09ddSBjoern A. Zeeb return ret; 2799bfcc09ddSBjoern A. Zeeb } 2800bfcc09ddSBjoern A. Zeeb 2801bfcc09ddSBjoern A. Zeeb static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 2802bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 2803bfcc09ddSBjoern A. Zeeb { 2804bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2805bfcc09ddSBjoern A. Zeeb 2806bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 2807bfcc09ddSBjoern A. Zeeb 2808bfcc09ddSBjoern A. Zeeb /* Due to a race condition, it's possible that mac80211 asks 2809bfcc09ddSBjoern A. Zeeb * us to stop a hw_scan when it's already stopped. This can 2810bfcc09ddSBjoern A. Zeeb * happen, for instance, if we stopped the scan ourselves, 2811bfcc09ddSBjoern A. Zeeb * called ieee80211_scan_completed() and the userspace called 2812bfcc09ddSBjoern A. Zeeb * cancel scan scan before ieee80211_scan_work() could run. 2813bfcc09ddSBjoern A. Zeeb * To handle that, simply return if the scan is not running. 2814bfcc09ddSBjoern A. Zeeb */ 2815bfcc09ddSBjoern A. Zeeb if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 2816bfcc09ddSBjoern A. Zeeb iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 2817bfcc09ddSBjoern A. Zeeb 2818bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 2819bfcc09ddSBjoern A. Zeeb } 2820bfcc09ddSBjoern A. Zeeb 2821bfcc09ddSBjoern A. Zeeb static void 2822bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, 2823bfcc09ddSBjoern A. Zeeb struct ieee80211_sta *sta, u16 tids, 2824bfcc09ddSBjoern A. Zeeb int num_frames, 2825bfcc09ddSBjoern A. Zeeb enum ieee80211_frame_release_type reason, 2826bfcc09ddSBjoern A. Zeeb bool more_data) 2827bfcc09ddSBjoern A. Zeeb { 2828bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2829bfcc09ddSBjoern A. Zeeb 2830bfcc09ddSBjoern A. Zeeb /* Called when we need to transmit (a) frame(s) from mac80211 */ 2831bfcc09ddSBjoern A. Zeeb 2832bfcc09ddSBjoern A. Zeeb iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 2833bfcc09ddSBjoern A. Zeeb tids, more_data, false); 2834bfcc09ddSBjoern A. Zeeb } 2835bfcc09ddSBjoern A. Zeeb 2836bfcc09ddSBjoern A. Zeeb static void 2837bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, 2838bfcc09ddSBjoern A. Zeeb struct ieee80211_sta *sta, u16 tids, 2839bfcc09ddSBjoern A. Zeeb int num_frames, 2840bfcc09ddSBjoern A. Zeeb enum ieee80211_frame_release_type reason, 2841bfcc09ddSBjoern A. Zeeb bool more_data) 2842bfcc09ddSBjoern A. Zeeb { 2843bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2844bfcc09ddSBjoern A. Zeeb 2845bfcc09ddSBjoern A. Zeeb /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ 2846bfcc09ddSBjoern A. Zeeb 2847bfcc09ddSBjoern A. Zeeb iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 2848bfcc09ddSBjoern A. Zeeb tids, more_data, true); 2849bfcc09ddSBjoern A. Zeeb } 2850bfcc09ddSBjoern A. Zeeb 2851bfcc09ddSBjoern A. Zeeb static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 2852bfcc09ddSBjoern A. Zeeb enum sta_notify_cmd cmd, 2853bfcc09ddSBjoern A. Zeeb struct ieee80211_sta *sta) 2854bfcc09ddSBjoern A. Zeeb { 2855bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2856bfcc09ddSBjoern A. Zeeb struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 2857bfcc09ddSBjoern A. Zeeb unsigned long txqs = 0, tids = 0; 2858bfcc09ddSBjoern A. Zeeb int tid; 2859bfcc09ddSBjoern A. Zeeb 2860bfcc09ddSBjoern A. Zeeb /* 2861bfcc09ddSBjoern A. Zeeb * If we have TVQM then we get too high queue numbers - luckily 2862bfcc09ddSBjoern A. Zeeb * we really shouldn't get here with that because such hardware 2863bfcc09ddSBjoern A. Zeeb * should have firmware supporting buffer station offload. 2864bfcc09ddSBjoern A. Zeeb */ 2865bfcc09ddSBjoern A. Zeeb if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 2866bfcc09ddSBjoern A. Zeeb return; 2867bfcc09ddSBjoern A. Zeeb 2868bfcc09ddSBjoern A. Zeeb spin_lock_bh(&mvmsta->lock); 2869bfcc09ddSBjoern A. Zeeb for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) { 2870bfcc09ddSBjoern A. Zeeb struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 2871bfcc09ddSBjoern A. Zeeb 2872bfcc09ddSBjoern A. Zeeb if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 2873bfcc09ddSBjoern A. Zeeb continue; 2874bfcc09ddSBjoern A. Zeeb 2875bfcc09ddSBjoern A. Zeeb __set_bit(tid_data->txq_id, &txqs); 2876bfcc09ddSBjoern A. Zeeb 2877bfcc09ddSBjoern A. Zeeb if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 2878bfcc09ddSBjoern A. Zeeb continue; 2879bfcc09ddSBjoern A. Zeeb 2880bfcc09ddSBjoern A. Zeeb __set_bit(tid, &tids); 2881bfcc09ddSBjoern A. Zeeb } 2882bfcc09ddSBjoern A. Zeeb 2883bfcc09ddSBjoern A. Zeeb switch (cmd) { 2884bfcc09ddSBjoern A. Zeeb case STA_NOTIFY_SLEEP: 2885bfcc09ddSBjoern A. Zeeb for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 2886bfcc09ddSBjoern A. Zeeb ieee80211_sta_set_buffered(sta, tid, true); 2887bfcc09ddSBjoern A. Zeeb 2888bfcc09ddSBjoern A. Zeeb if (txqs) 2889bfcc09ddSBjoern A. Zeeb iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 2890bfcc09ddSBjoern A. Zeeb /* 2891bfcc09ddSBjoern A. Zeeb * The fw updates the STA to be asleep. Tx packets on the Tx 2892bfcc09ddSBjoern A. Zeeb * queues to this station will not be transmitted. The fw will 2893bfcc09ddSBjoern A. Zeeb * send a Tx response with TX_STATUS_FAIL_DEST_PS. 2894bfcc09ddSBjoern A. Zeeb */ 2895bfcc09ddSBjoern A. Zeeb break; 2896bfcc09ddSBjoern A. Zeeb case STA_NOTIFY_AWAKE: 2897bfcc09ddSBjoern A. Zeeb if (WARN_ON(mvmsta->sta_id == IWL_MVM_INVALID_STA)) 2898bfcc09ddSBjoern A. Zeeb break; 2899bfcc09ddSBjoern A. Zeeb 2900bfcc09ddSBjoern A. Zeeb if (txqs) 2901bfcc09ddSBjoern A. Zeeb iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 2902bfcc09ddSBjoern A. Zeeb iwl_mvm_sta_modify_ps_wake(mvm, sta); 2903bfcc09ddSBjoern A. Zeeb break; 2904bfcc09ddSBjoern A. Zeeb default: 2905bfcc09ddSBjoern A. Zeeb break; 2906bfcc09ddSBjoern A. Zeeb } 2907bfcc09ddSBjoern A. Zeeb spin_unlock_bh(&mvmsta->lock); 2908bfcc09ddSBjoern A. Zeeb } 2909bfcc09ddSBjoern A. Zeeb 2910bfcc09ddSBjoern A. Zeeb static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 2911bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 2912bfcc09ddSBjoern A. Zeeb enum sta_notify_cmd cmd, 2913bfcc09ddSBjoern A. Zeeb struct ieee80211_sta *sta) 2914bfcc09ddSBjoern A. Zeeb { 2915bfcc09ddSBjoern A. Zeeb __iwl_mvm_mac_sta_notify(hw, cmd, sta); 2916bfcc09ddSBjoern A. Zeeb } 2917bfcc09ddSBjoern A. Zeeb 2918bfcc09ddSBjoern A. Zeeb void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 2919bfcc09ddSBjoern A. Zeeb { 2920bfcc09ddSBjoern A. Zeeb struct iwl_rx_packet *pkt = rxb_addr(rxb); 2921bfcc09ddSBjoern A. Zeeb struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 2922bfcc09ddSBjoern A. Zeeb struct ieee80211_sta *sta; 2923bfcc09ddSBjoern A. Zeeb struct iwl_mvm_sta *mvmsta; 2924bfcc09ddSBjoern A. Zeeb bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 2925bfcc09ddSBjoern A. Zeeb 2926bfcc09ddSBjoern A. Zeeb if (WARN_ON(notif->sta_id >= mvm->fw->ucode_capa.num_stations)) 2927bfcc09ddSBjoern A. Zeeb return; 2928bfcc09ddSBjoern A. Zeeb 2929bfcc09ddSBjoern A. Zeeb rcu_read_lock(); 2930bfcc09ddSBjoern A. Zeeb sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 2931bfcc09ddSBjoern A. Zeeb if (WARN_ON(IS_ERR_OR_NULL(sta))) { 2932bfcc09ddSBjoern A. Zeeb rcu_read_unlock(); 2933bfcc09ddSBjoern A. Zeeb return; 2934bfcc09ddSBjoern A. Zeeb } 2935bfcc09ddSBjoern A. Zeeb 2936bfcc09ddSBjoern A. Zeeb mvmsta = iwl_mvm_sta_from_mac80211(sta); 2937bfcc09ddSBjoern A. Zeeb 2938bfcc09ddSBjoern A. Zeeb if (!mvmsta->vif || 2939bfcc09ddSBjoern A. Zeeb mvmsta->vif->type != NL80211_IFTYPE_AP) { 2940bfcc09ddSBjoern A. Zeeb rcu_read_unlock(); 2941bfcc09ddSBjoern A. Zeeb return; 2942bfcc09ddSBjoern A. Zeeb } 2943bfcc09ddSBjoern A. Zeeb 2944bfcc09ddSBjoern A. Zeeb if (mvmsta->sleeping != sleeping) { 2945bfcc09ddSBjoern A. Zeeb mvmsta->sleeping = sleeping; 2946bfcc09ddSBjoern A. Zeeb __iwl_mvm_mac_sta_notify(mvm->hw, 2947bfcc09ddSBjoern A. Zeeb sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 2948bfcc09ddSBjoern A. Zeeb sta); 2949bfcc09ddSBjoern A. Zeeb ieee80211_sta_ps_transition(sta, sleeping); 2950bfcc09ddSBjoern A. Zeeb } 2951bfcc09ddSBjoern A. Zeeb 2952bfcc09ddSBjoern A. Zeeb if (sleeping) { 2953bfcc09ddSBjoern A. Zeeb switch (notif->type) { 2954bfcc09ddSBjoern A. Zeeb case IWL_MVM_PM_EVENT_AWAKE: 2955bfcc09ddSBjoern A. Zeeb case IWL_MVM_PM_EVENT_ASLEEP: 2956bfcc09ddSBjoern A. Zeeb break; 2957bfcc09ddSBjoern A. Zeeb case IWL_MVM_PM_EVENT_UAPSD: 2958bfcc09ddSBjoern A. Zeeb ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 2959bfcc09ddSBjoern A. Zeeb break; 2960bfcc09ddSBjoern A. Zeeb case IWL_MVM_PM_EVENT_PS_POLL: 2961bfcc09ddSBjoern A. Zeeb ieee80211_sta_pspoll(sta); 2962bfcc09ddSBjoern A. Zeeb break; 2963bfcc09ddSBjoern A. Zeeb default: 2964bfcc09ddSBjoern A. Zeeb break; 2965bfcc09ddSBjoern A. Zeeb } 2966bfcc09ddSBjoern A. Zeeb } 2967bfcc09ddSBjoern A. Zeeb 2968bfcc09ddSBjoern A. Zeeb rcu_read_unlock(); 2969bfcc09ddSBjoern A. Zeeb } 2970bfcc09ddSBjoern A. Zeeb 2971bfcc09ddSBjoern A. Zeeb static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 2972bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 2973bfcc09ddSBjoern A. Zeeb struct ieee80211_sta *sta) 2974bfcc09ddSBjoern A. Zeeb { 2975bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2976bfcc09ddSBjoern A. Zeeb struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 2977bfcc09ddSBjoern A. Zeeb 2978bfcc09ddSBjoern A. Zeeb /* 2979bfcc09ddSBjoern A. Zeeb * This is called before mac80211 does RCU synchronisation, 2980bfcc09ddSBjoern A. Zeeb * so here we already invalidate our internal RCU-protected 2981bfcc09ddSBjoern A. Zeeb * station pointer. The rest of the code will thus no longer 2982bfcc09ddSBjoern A. Zeeb * be able to find the station this way, and we don't rely 2983bfcc09ddSBjoern A. Zeeb * on further RCU synchronisation after the sta_state() 2984bfcc09ddSBjoern A. Zeeb * callback deleted the station. 2985bfcc09ddSBjoern A. Zeeb */ 2986bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 2987bfcc09ddSBjoern A. Zeeb if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id])) 2988bfcc09ddSBjoern A. Zeeb rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], 2989bfcc09ddSBjoern A. Zeeb ERR_PTR(-ENOENT)); 2990bfcc09ddSBjoern A. Zeeb 2991bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 2992bfcc09ddSBjoern A. Zeeb } 2993bfcc09ddSBjoern A. Zeeb 2994bfcc09ddSBjoern A. Zeeb static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2995bfcc09ddSBjoern A. Zeeb const u8 *bssid) 2996bfcc09ddSBjoern A. Zeeb { 2997bfcc09ddSBjoern A. Zeeb int i; 2998bfcc09ddSBjoern A. Zeeb 2999bfcc09ddSBjoern A. Zeeb if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 3000bfcc09ddSBjoern A. Zeeb struct iwl_mvm_tcm_mac *mdata; 3001bfcc09ddSBjoern A. Zeeb 3002bfcc09ddSBjoern A. Zeeb mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; 3003bfcc09ddSBjoern A. Zeeb ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); 3004bfcc09ddSBjoern A. Zeeb mdata->opened_rx_ba_sessions = false; 3005bfcc09ddSBjoern A. Zeeb } 3006bfcc09ddSBjoern A. Zeeb 3007bfcc09ddSBjoern A. Zeeb if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 3008bfcc09ddSBjoern A. Zeeb return; 3009bfcc09ddSBjoern A. Zeeb 3010bfcc09ddSBjoern A. Zeeb if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 3011bfcc09ddSBjoern A. Zeeb vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3012bfcc09ddSBjoern A. Zeeb return; 3013bfcc09ddSBjoern A. Zeeb } 3014bfcc09ddSBjoern A. Zeeb 3015bfcc09ddSBjoern A. Zeeb if (!vif->p2p && 3016bfcc09ddSBjoern A. Zeeb (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 3017bfcc09ddSBjoern A. Zeeb vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3018bfcc09ddSBjoern A. Zeeb return; 3019bfcc09ddSBjoern A. Zeeb } 3020bfcc09ddSBjoern A. Zeeb 3021bfcc09ddSBjoern A. Zeeb for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { 3022bfcc09ddSBjoern A. Zeeb if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { 3023bfcc09ddSBjoern A. Zeeb vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3024bfcc09ddSBjoern A. Zeeb return; 3025bfcc09ddSBjoern A. Zeeb } 3026bfcc09ddSBjoern A. Zeeb } 3027bfcc09ddSBjoern A. Zeeb 3028bfcc09ddSBjoern A. Zeeb vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 3029bfcc09ddSBjoern A. Zeeb } 3030bfcc09ddSBjoern A. Zeeb 3031bfcc09ddSBjoern A. Zeeb static void 3032bfcc09ddSBjoern A. Zeeb iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 3033bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, u8 *peer_addr, 3034bfcc09ddSBjoern A. Zeeb enum nl80211_tdls_operation action) 3035bfcc09ddSBjoern A. Zeeb { 3036bfcc09ddSBjoern A. Zeeb struct iwl_fw_dbg_trigger_tlv *trig; 3037bfcc09ddSBjoern A. Zeeb struct iwl_fw_dbg_trigger_tdls *tdls_trig; 3038bfcc09ddSBjoern A. Zeeb 3039bfcc09ddSBjoern A. Zeeb trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 3040bfcc09ddSBjoern A. Zeeb FW_DBG_TRIGGER_TDLS); 3041bfcc09ddSBjoern A. Zeeb if (!trig) 3042bfcc09ddSBjoern A. Zeeb return; 3043bfcc09ddSBjoern A. Zeeb 3044bfcc09ddSBjoern A. Zeeb tdls_trig = (void *)trig->data; 3045bfcc09ddSBjoern A. Zeeb 3046bfcc09ddSBjoern A. Zeeb if (!(tdls_trig->action_bitmap & BIT(action))) 3047bfcc09ddSBjoern A. Zeeb return; 3048bfcc09ddSBjoern A. Zeeb 3049bfcc09ddSBjoern A. Zeeb if (tdls_trig->peer_mode && 3050bfcc09ddSBjoern A. Zeeb memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 3051bfcc09ddSBjoern A. Zeeb return; 3052bfcc09ddSBjoern A. Zeeb 3053bfcc09ddSBjoern A. Zeeb iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 3054bfcc09ddSBjoern A. Zeeb "TDLS event occurred, peer %pM, action %d", 3055bfcc09ddSBjoern A. Zeeb peer_addr, action); 3056bfcc09ddSBjoern A. Zeeb } 3057bfcc09ddSBjoern A. Zeeb 3058bfcc09ddSBjoern A. Zeeb struct iwl_mvm_he_obss_narrow_bw_ru_data { 3059bfcc09ddSBjoern A. Zeeb bool tolerated; 3060bfcc09ddSBjoern A. Zeeb }; 3061bfcc09ddSBjoern A. Zeeb 3062bfcc09ddSBjoern A. Zeeb static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy, 3063bfcc09ddSBjoern A. Zeeb struct cfg80211_bss *bss, 3064bfcc09ddSBjoern A. Zeeb void *_data) 3065bfcc09ddSBjoern A. Zeeb { 3066bfcc09ddSBjoern A. Zeeb struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data; 3067bfcc09ddSBjoern A. Zeeb const struct cfg80211_bss_ies *ies; 3068bfcc09ddSBjoern A. Zeeb const struct element *elem; 3069bfcc09ddSBjoern A. Zeeb 3070bfcc09ddSBjoern A. Zeeb rcu_read_lock(); 3071bfcc09ddSBjoern A. Zeeb ies = rcu_dereference(bss->ies); 3072bfcc09ddSBjoern A. Zeeb elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, ies->data, 3073bfcc09ddSBjoern A. Zeeb ies->len); 3074bfcc09ddSBjoern A. Zeeb 3075bfcc09ddSBjoern A. Zeeb if (!elem || elem->datalen < 10 || 3076bfcc09ddSBjoern A. Zeeb !(elem->data[10] & 3077bfcc09ddSBjoern A. Zeeb WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) { 3078bfcc09ddSBjoern A. Zeeb data->tolerated = false; 3079bfcc09ddSBjoern A. Zeeb } 3080bfcc09ddSBjoern A. Zeeb rcu_read_unlock(); 3081bfcc09ddSBjoern A. Zeeb } 3082bfcc09ddSBjoern A. Zeeb 3083bfcc09ddSBjoern A. Zeeb static void iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw, 3084bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 3085bfcc09ddSBjoern A. Zeeb { 3086bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3087bfcc09ddSBjoern A. Zeeb struct iwl_mvm_he_obss_narrow_bw_ru_data iter_data = { 3088bfcc09ddSBjoern A. Zeeb .tolerated = true, 3089bfcc09ddSBjoern A. Zeeb }; 3090bfcc09ddSBjoern A. Zeeb 3091bfcc09ddSBjoern A. Zeeb if (!(vif->bss_conf.chandef.chan->flags & IEEE80211_CHAN_RADAR)) { 3092bfcc09ddSBjoern A. Zeeb mvmvif->he_ru_2mhz_block = false; 3093bfcc09ddSBjoern A. Zeeb return; 3094bfcc09ddSBjoern A. Zeeb } 3095bfcc09ddSBjoern A. Zeeb 3096bfcc09ddSBjoern A. Zeeb cfg80211_bss_iter(hw->wiphy, &vif->bss_conf.chandef, 3097bfcc09ddSBjoern A. Zeeb iwl_mvm_check_he_obss_narrow_bw_ru_iter, 3098bfcc09ddSBjoern A. Zeeb &iter_data); 3099bfcc09ddSBjoern A. Zeeb 3100bfcc09ddSBjoern A. Zeeb /* 3101bfcc09ddSBjoern A. Zeeb * If there is at least one AP on radar channel that cannot 3102bfcc09ddSBjoern A. Zeeb * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU. 3103bfcc09ddSBjoern A. Zeeb */ 3104bfcc09ddSBjoern A. Zeeb mvmvif->he_ru_2mhz_block = !iter_data.tolerated; 3105bfcc09ddSBjoern A. Zeeb } 3106bfcc09ddSBjoern A. Zeeb 3107bfcc09ddSBjoern A. Zeeb static void iwl_mvm_reset_cca_40mhz_workaround(struct iwl_mvm *mvm, 3108bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 3109bfcc09ddSBjoern A. Zeeb { 3110bfcc09ddSBjoern A. Zeeb struct ieee80211_supported_band *sband; 3111bfcc09ddSBjoern A. Zeeb const struct ieee80211_sta_he_cap *he_cap; 3112bfcc09ddSBjoern A. Zeeb 3113bfcc09ddSBjoern A. Zeeb if (vif->type != NL80211_IFTYPE_STATION) 3114bfcc09ddSBjoern A. Zeeb return; 3115bfcc09ddSBjoern A. Zeeb 3116bfcc09ddSBjoern A. Zeeb if (!mvm->cca_40mhz_workaround) 3117bfcc09ddSBjoern A. Zeeb return; 3118bfcc09ddSBjoern A. Zeeb 3119bfcc09ddSBjoern A. Zeeb /* decrement and check that we reached zero */ 3120bfcc09ddSBjoern A. Zeeb mvm->cca_40mhz_workaround--; 3121bfcc09ddSBjoern A. Zeeb if (mvm->cca_40mhz_workaround) 3122bfcc09ddSBjoern A. Zeeb return; 3123bfcc09ddSBjoern A. Zeeb 3124bfcc09ddSBjoern A. Zeeb sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 3125bfcc09ddSBjoern A. Zeeb 3126bfcc09ddSBjoern A. Zeeb sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 3127bfcc09ddSBjoern A. Zeeb 3128bfcc09ddSBjoern A. Zeeb he_cap = ieee80211_get_he_iftype_cap(sband, 3129bfcc09ddSBjoern A. Zeeb ieee80211_vif_type_p2p(vif)); 3130bfcc09ddSBjoern A. Zeeb 3131bfcc09ddSBjoern A. Zeeb if (he_cap) { 3132bfcc09ddSBjoern A. Zeeb /* we know that ours is writable */ 3133bfcc09ddSBjoern A. Zeeb struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; 3134bfcc09ddSBjoern A. Zeeb 3135bfcc09ddSBjoern A. Zeeb he->he_cap_elem.phy_cap_info[0] |= 3136bfcc09ddSBjoern A. Zeeb IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 3137bfcc09ddSBjoern A. Zeeb } 3138bfcc09ddSBjoern A. Zeeb } 3139bfcc09ddSBjoern A. Zeeb 3140bfcc09ddSBjoern A. Zeeb static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 3141bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 3142bfcc09ddSBjoern A. Zeeb struct ieee80211_sta *sta, 3143bfcc09ddSBjoern A. Zeeb enum ieee80211_sta_state old_state, 3144bfcc09ddSBjoern A. Zeeb enum ieee80211_sta_state new_state) 3145bfcc09ddSBjoern A. Zeeb { 3146bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3147bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3148bfcc09ddSBjoern A. Zeeb struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3149bfcc09ddSBjoern A. Zeeb int ret; 3150bfcc09ddSBjoern A. Zeeb 3151bfcc09ddSBjoern A. Zeeb IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 3152bfcc09ddSBjoern A. Zeeb sta->addr, old_state, new_state); 3153bfcc09ddSBjoern A. Zeeb 3154bfcc09ddSBjoern A. Zeeb /* this would be a mac80211 bug ... but don't crash */ 3155bfcc09ddSBjoern A. Zeeb if (WARN_ON_ONCE(!mvmvif->phy_ctxt)) 3156bfcc09ddSBjoern A. Zeeb return test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) ? 0 : -EINVAL; 3157bfcc09ddSBjoern A. Zeeb 3158bfcc09ddSBjoern A. Zeeb /* 3159bfcc09ddSBjoern A. Zeeb * If we are in a STA removal flow and in DQA mode: 3160bfcc09ddSBjoern A. Zeeb * 3161bfcc09ddSBjoern A. Zeeb * This is after the sync_rcu part, so the queues have already been 3162bfcc09ddSBjoern A. Zeeb * flushed. No more TXs on their way in mac80211's path, and no more in 3163bfcc09ddSBjoern A. Zeeb * the queues. 3164bfcc09ddSBjoern A. Zeeb * Also, we won't be getting any new TX frames for this station. 3165bfcc09ddSBjoern A. Zeeb * What we might have are deferred TX frames that need to be taken care 3166bfcc09ddSBjoern A. Zeeb * of. 3167bfcc09ddSBjoern A. Zeeb * 3168bfcc09ddSBjoern A. Zeeb * Drop any still-queued deferred-frame before removing the STA, and 3169bfcc09ddSBjoern A. Zeeb * make sure the worker is no longer handling frames for this STA. 3170bfcc09ddSBjoern A. Zeeb */ 3171bfcc09ddSBjoern A. Zeeb if (old_state == IEEE80211_STA_NONE && 3172bfcc09ddSBjoern A. Zeeb new_state == IEEE80211_STA_NOTEXIST) { 3173bfcc09ddSBjoern A. Zeeb flush_work(&mvm->add_stream_wk); 3174bfcc09ddSBjoern A. Zeeb 3175bfcc09ddSBjoern A. Zeeb /* 3176bfcc09ddSBjoern A. Zeeb * No need to make sure deferred TX indication is off since the 3177bfcc09ddSBjoern A. Zeeb * worker will already remove it if it was on 3178bfcc09ddSBjoern A. Zeeb */ 3179bfcc09ddSBjoern A. Zeeb 3180bfcc09ddSBjoern A. Zeeb /* 3181bfcc09ddSBjoern A. Zeeb * Additionally, reset the 40 MHz capability if we disconnected 3182bfcc09ddSBjoern A. Zeeb * from the AP now. 3183bfcc09ddSBjoern A. Zeeb */ 3184bfcc09ddSBjoern A. Zeeb iwl_mvm_reset_cca_40mhz_workaround(mvm, vif); 3185bfcc09ddSBjoern A. Zeeb } 3186bfcc09ddSBjoern A. Zeeb 3187bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 3188bfcc09ddSBjoern A. Zeeb /* track whether or not the station is associated */ 3189bfcc09ddSBjoern A. Zeeb mvm_sta->sta_state = new_state; 3190bfcc09ddSBjoern A. Zeeb 3191bfcc09ddSBjoern A. Zeeb if (old_state == IEEE80211_STA_NOTEXIST && 3192bfcc09ddSBjoern A. Zeeb new_state == IEEE80211_STA_NONE) { 3193bfcc09ddSBjoern A. Zeeb /* 3194bfcc09ddSBjoern A. Zeeb * Firmware bug - it'll crash if the beacon interval is less 3195bfcc09ddSBjoern A. Zeeb * than 16. We can't avoid connecting at all, so refuse the 3196bfcc09ddSBjoern A. Zeeb * station state change, this will cause mac80211 to abandon 3197bfcc09ddSBjoern A. Zeeb * attempts to connect to this AP, and eventually wpa_s will 3198bfcc09ddSBjoern A. Zeeb * blocklist the AP... 3199bfcc09ddSBjoern A. Zeeb */ 3200bfcc09ddSBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_STATION && 3201bfcc09ddSBjoern A. Zeeb vif->bss_conf.beacon_int < 16) { 3202bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, 3203bfcc09ddSBjoern A. Zeeb "AP %pM beacon interval is %d, refusing due to firmware bug!\n", 3204bfcc09ddSBjoern A. Zeeb sta->addr, vif->bss_conf.beacon_int); 3205bfcc09ddSBjoern A. Zeeb ret = -EINVAL; 3206bfcc09ddSBjoern A. Zeeb goto out_unlock; 3207bfcc09ddSBjoern A. Zeeb } 3208bfcc09ddSBjoern A. Zeeb 3209bfcc09ddSBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_STATION) 3210bfcc09ddSBjoern A. Zeeb vif->bss_conf.he_support = sta->he_cap.has_he; 3211bfcc09ddSBjoern A. Zeeb 3212bfcc09ddSBjoern A. Zeeb if (sta->tdls && 3213bfcc09ddSBjoern A. Zeeb (vif->p2p || 3214bfcc09ddSBjoern A. Zeeb iwl_mvm_tdls_sta_count(mvm, NULL) == 3215bfcc09ddSBjoern A. Zeeb IWL_MVM_TDLS_STA_COUNT || 3216bfcc09ddSBjoern A. Zeeb iwl_mvm_phy_ctx_count(mvm) > 1)) { 3217bfcc09ddSBjoern A. Zeeb IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 3218bfcc09ddSBjoern A. Zeeb ret = -EBUSY; 3219bfcc09ddSBjoern A. Zeeb goto out_unlock; 3220bfcc09ddSBjoern A. Zeeb } 3221bfcc09ddSBjoern A. Zeeb 3222bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_add_sta(mvm, vif, sta); 3223bfcc09ddSBjoern A. Zeeb if (sta->tdls && ret == 0) { 3224bfcc09ddSBjoern A. Zeeb iwl_mvm_recalc_tdls_state(mvm, vif, true); 3225bfcc09ddSBjoern A. Zeeb iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 3226bfcc09ddSBjoern A. Zeeb NL80211_TDLS_SETUP); 3227bfcc09ddSBjoern A. Zeeb } 3228bfcc09ddSBjoern A. Zeeb 3229bfcc09ddSBjoern A. Zeeb sta->max_rc_amsdu_len = 1; 3230bfcc09ddSBjoern A. Zeeb } else if (old_state == IEEE80211_STA_NONE && 3231bfcc09ddSBjoern A. Zeeb new_state == IEEE80211_STA_AUTH) { 3232bfcc09ddSBjoern A. Zeeb /* 3233bfcc09ddSBjoern A. Zeeb * EBS may be disabled due to previous failures reported by FW. 3234bfcc09ddSBjoern A. Zeeb * Reset EBS status here assuming environment has been changed. 3235bfcc09ddSBjoern A. Zeeb */ 3236bfcc09ddSBjoern A. Zeeb mvm->last_ebs_successful = true; 3237bfcc09ddSBjoern A. Zeeb iwl_mvm_check_uapsd(mvm, vif, sta->addr); 3238bfcc09ddSBjoern A. Zeeb ret = 0; 3239bfcc09ddSBjoern A. Zeeb } else if (old_state == IEEE80211_STA_AUTH && 3240bfcc09ddSBjoern A. Zeeb new_state == IEEE80211_STA_ASSOC) { 3241bfcc09ddSBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_AP) { 3242bfcc09ddSBjoern A. Zeeb vif->bss_conf.he_support = sta->he_cap.has_he; 3243bfcc09ddSBjoern A. Zeeb mvmvif->ap_assoc_sta_count++; 3244bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 3245bfcc09ddSBjoern A. Zeeb if (vif->bss_conf.he_support && 3246bfcc09ddSBjoern A. Zeeb !iwlwifi_mod_params.disable_11ax) 3247bfcc09ddSBjoern A. Zeeb iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->sta_id); 3248bfcc09ddSBjoern A. Zeeb } else if (vif->type == NL80211_IFTYPE_STATION) { 3249bfcc09ddSBjoern A. Zeeb vif->bss_conf.he_support = sta->he_cap.has_he; 3250bfcc09ddSBjoern A. Zeeb 3251bfcc09ddSBjoern A. Zeeb mvmvif->he_ru_2mhz_block = false; 3252bfcc09ddSBjoern A. Zeeb if (sta->he_cap.has_he) 3253bfcc09ddSBjoern A. Zeeb iwl_mvm_check_he_obss_narrow_bw_ru(hw, vif); 3254bfcc09ddSBjoern A. Zeeb 3255bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 3256bfcc09ddSBjoern A. Zeeb } 3257bfcc09ddSBjoern A. Zeeb 3258bfcc09ddSBjoern A. Zeeb iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 3259bfcc09ddSBjoern A. Zeeb false); 3260bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_update_sta(mvm, vif, sta); 3261bfcc09ddSBjoern A. Zeeb } else if (old_state == IEEE80211_STA_ASSOC && 3262bfcc09ddSBjoern A. Zeeb new_state == IEEE80211_STA_AUTHORIZED) { 3263bfcc09ddSBjoern A. Zeeb ret = 0; 3264bfcc09ddSBjoern A. Zeeb 3265bfcc09ddSBjoern A. Zeeb /* we don't support TDLS during DCM */ 3266bfcc09ddSBjoern A. Zeeb if (iwl_mvm_phy_ctx_count(mvm) > 1) 3267bfcc09ddSBjoern A. Zeeb iwl_mvm_teardown_tdls_peers(mvm); 3268bfcc09ddSBjoern A. Zeeb 3269bfcc09ddSBjoern A. Zeeb if (sta->tdls) { 3270bfcc09ddSBjoern A. Zeeb iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 3271bfcc09ddSBjoern A. Zeeb NL80211_TDLS_ENABLE_LINK); 3272bfcc09ddSBjoern A. Zeeb } else { 3273bfcc09ddSBjoern A. Zeeb /* enable beacon filtering */ 3274bfcc09ddSBjoern A. Zeeb WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 3275bfcc09ddSBjoern A. Zeeb 3276bfcc09ddSBjoern A. Zeeb mvmvif->authorized = 1; 3277bfcc09ddSBjoern A. Zeeb 3278bfcc09ddSBjoern A. Zeeb /* 3279bfcc09ddSBjoern A. Zeeb * Now that the station is authorized, i.e., keys were already 3280bfcc09ddSBjoern A. Zeeb * installed, need to indicate to the FW that 3281bfcc09ddSBjoern A. Zeeb * multicast data frames can be forwarded to the driver 3282bfcc09ddSBjoern A. Zeeb */ 3283bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 3284bfcc09ddSBjoern A. Zeeb } 3285bfcc09ddSBjoern A. Zeeb 3286bfcc09ddSBjoern A. Zeeb iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 3287bfcc09ddSBjoern A. Zeeb true); 3288bfcc09ddSBjoern A. Zeeb } else if (old_state == IEEE80211_STA_AUTHORIZED && 3289bfcc09ddSBjoern A. Zeeb new_state == IEEE80211_STA_ASSOC) { 3290bfcc09ddSBjoern A. Zeeb if (!sta->tdls) { 3291bfcc09ddSBjoern A. Zeeb /* Multicast data frames are no longer allowed */ 3292bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 3293bfcc09ddSBjoern A. Zeeb 3294bfcc09ddSBjoern A. Zeeb /* 3295bfcc09ddSBjoern A. Zeeb * Set this after the above iwl_mvm_mac_ctxt_changed() 3296bfcc09ddSBjoern A. Zeeb * to avoid sending high prio again for a little time. 3297bfcc09ddSBjoern A. Zeeb */ 3298bfcc09ddSBjoern A. Zeeb mvmvif->authorized = 0; 3299bfcc09ddSBjoern A. Zeeb 3300bfcc09ddSBjoern A. Zeeb /* disable beacon filtering */ 3301bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 3302bfcc09ddSBjoern A. Zeeb WARN_ON(ret && 3303bfcc09ddSBjoern A. Zeeb !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 3304bfcc09ddSBjoern A. Zeeb &mvm->status)); 3305bfcc09ddSBjoern A. Zeeb } 3306bfcc09ddSBjoern A. Zeeb ret = 0; 3307bfcc09ddSBjoern A. Zeeb } else if (old_state == IEEE80211_STA_ASSOC && 3308bfcc09ddSBjoern A. Zeeb new_state == IEEE80211_STA_AUTH) { 3309bfcc09ddSBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_AP) { 3310bfcc09ddSBjoern A. Zeeb mvmvif->ap_assoc_sta_count--; 3311bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 3312*8f06a2b5SBjoern A. Zeeb } else if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 3313bfcc09ddSBjoern A. Zeeb iwl_mvm_stop_session_protection(mvm, vif); 3314bfcc09ddSBjoern A. Zeeb ret = 0; 3315bfcc09ddSBjoern A. Zeeb } else if (old_state == IEEE80211_STA_AUTH && 3316bfcc09ddSBjoern A. Zeeb new_state == IEEE80211_STA_NONE) { 3317bfcc09ddSBjoern A. Zeeb ret = 0; 3318bfcc09ddSBjoern A. Zeeb } else if (old_state == IEEE80211_STA_NONE && 3319bfcc09ddSBjoern A. Zeeb new_state == IEEE80211_STA_NOTEXIST) { 3320*8f06a2b5SBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 3321*8f06a2b5SBjoern A. Zeeb iwl_mvm_stop_session_protection(mvm, vif); 3322bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_rm_sta(mvm, vif, sta); 3323bfcc09ddSBjoern A. Zeeb if (sta->tdls) { 3324bfcc09ddSBjoern A. Zeeb iwl_mvm_recalc_tdls_state(mvm, vif, false); 3325bfcc09ddSBjoern A. Zeeb iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 3326bfcc09ddSBjoern A. Zeeb NL80211_TDLS_DISABLE_LINK); 3327bfcc09ddSBjoern A. Zeeb } 3328bfcc09ddSBjoern A. Zeeb 3329bfcc09ddSBjoern A. Zeeb if (unlikely(ret && 3330bfcc09ddSBjoern A. Zeeb test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 3331bfcc09ddSBjoern A. Zeeb &mvm->status))) 3332bfcc09ddSBjoern A. Zeeb ret = 0; 3333bfcc09ddSBjoern A. Zeeb } else { 3334bfcc09ddSBjoern A. Zeeb ret = -EIO; 3335bfcc09ddSBjoern A. Zeeb } 3336bfcc09ddSBjoern A. Zeeb out_unlock: 3337bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 3338bfcc09ddSBjoern A. Zeeb 3339bfcc09ddSBjoern A. Zeeb if (sta->tdls && ret == 0) { 3340bfcc09ddSBjoern A. Zeeb if (old_state == IEEE80211_STA_NOTEXIST && 3341bfcc09ddSBjoern A. Zeeb new_state == IEEE80211_STA_NONE) 3342bfcc09ddSBjoern A. Zeeb ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); 3343bfcc09ddSBjoern A. Zeeb else if (old_state == IEEE80211_STA_NONE && 3344bfcc09ddSBjoern A. Zeeb new_state == IEEE80211_STA_NOTEXIST) 3345bfcc09ddSBjoern A. Zeeb ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); 3346bfcc09ddSBjoern A. Zeeb } 3347bfcc09ddSBjoern A. Zeeb 3348bfcc09ddSBjoern A. Zeeb return ret; 3349bfcc09ddSBjoern A. Zeeb } 3350bfcc09ddSBjoern A. Zeeb 3351bfcc09ddSBjoern A. Zeeb static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 3352bfcc09ddSBjoern A. Zeeb { 3353bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3354bfcc09ddSBjoern A. Zeeb 3355bfcc09ddSBjoern A. Zeeb mvm->rts_threshold = value; 3356bfcc09ddSBjoern A. Zeeb 3357bfcc09ddSBjoern A. Zeeb return 0; 3358bfcc09ddSBjoern A. Zeeb } 3359bfcc09ddSBjoern A. Zeeb 3360bfcc09ddSBjoern A. Zeeb static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, 3361bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 3362bfcc09ddSBjoern A. Zeeb struct ieee80211_sta *sta, u32 changed) 3363bfcc09ddSBjoern A. Zeeb { 3364bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3365bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3366bfcc09ddSBjoern A. Zeeb 3367bfcc09ddSBjoern A. Zeeb if (changed & (IEEE80211_RC_BW_CHANGED | 3368bfcc09ddSBjoern A. Zeeb IEEE80211_RC_SUPP_RATES_CHANGED | 3369bfcc09ddSBjoern A. Zeeb IEEE80211_RC_NSS_CHANGED)) 3370bfcc09ddSBjoern A. Zeeb iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 3371bfcc09ddSBjoern A. Zeeb true); 3372bfcc09ddSBjoern A. Zeeb 3373bfcc09ddSBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_STATION && 3374bfcc09ddSBjoern A. Zeeb changed & IEEE80211_RC_NSS_CHANGED) 3375bfcc09ddSBjoern A. Zeeb iwl_mvm_sf_update(mvm, vif, false); 3376bfcc09ddSBjoern A. Zeeb } 3377bfcc09ddSBjoern A. Zeeb 3378bfcc09ddSBjoern A. Zeeb static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 3379bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, u16 ac, 3380bfcc09ddSBjoern A. Zeeb const struct ieee80211_tx_queue_params *params) 3381bfcc09ddSBjoern A. Zeeb { 3382bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3383bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3384bfcc09ddSBjoern A. Zeeb 3385bfcc09ddSBjoern A. Zeeb mvmvif->queue_params[ac] = *params; 3386bfcc09ddSBjoern A. Zeeb 3387bfcc09ddSBjoern A. Zeeb /* 3388bfcc09ddSBjoern A. Zeeb * No need to update right away, we'll get BSS_CHANGED_QOS 3389bfcc09ddSBjoern A. Zeeb * The exception is P2P_DEVICE interface which needs immediate update. 3390bfcc09ddSBjoern A. Zeeb */ 3391bfcc09ddSBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 3392bfcc09ddSBjoern A. Zeeb int ret; 3393bfcc09ddSBjoern A. Zeeb 3394bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 3395bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 3396bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 3397bfcc09ddSBjoern A. Zeeb return ret; 3398bfcc09ddSBjoern A. Zeeb } 3399bfcc09ddSBjoern A. Zeeb return 0; 3400bfcc09ddSBjoern A. Zeeb } 3401bfcc09ddSBjoern A. Zeeb 3402bfcc09ddSBjoern A. Zeeb static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 3403bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 3404bfcc09ddSBjoern A. Zeeb struct ieee80211_prep_tx_info *info) 3405bfcc09ddSBjoern A. Zeeb { 3406bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3407bfcc09ddSBjoern A. Zeeb 3408bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 3409bfcc09ddSBjoern A. Zeeb iwl_mvm_protect_assoc(mvm, vif, info->duration); 3410bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 3411bfcc09ddSBjoern A. Zeeb } 3412bfcc09ddSBjoern A. Zeeb 3413bfcc09ddSBjoern A. Zeeb static void iwl_mvm_mac_mgd_complete_tx(struct ieee80211_hw *hw, 3414bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 3415bfcc09ddSBjoern A. Zeeb struct ieee80211_prep_tx_info *info) 3416bfcc09ddSBjoern A. Zeeb { 3417bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3418bfcc09ddSBjoern A. Zeeb 3419bfcc09ddSBjoern A. Zeeb /* for successful cases (auth/assoc), don't cancel session protection */ 3420bfcc09ddSBjoern A. Zeeb if (info->success) 3421bfcc09ddSBjoern A. Zeeb return; 3422bfcc09ddSBjoern A. Zeeb 3423bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 3424bfcc09ddSBjoern A. Zeeb iwl_mvm_stop_session_protection(mvm, vif); 3425bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 3426bfcc09ddSBjoern A. Zeeb } 3427bfcc09ddSBjoern A. Zeeb 3428bfcc09ddSBjoern A. Zeeb static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 3429bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 3430bfcc09ddSBjoern A. Zeeb struct cfg80211_sched_scan_request *req, 3431bfcc09ddSBjoern A. Zeeb struct ieee80211_scan_ies *ies) 3432bfcc09ddSBjoern A. Zeeb { 3433bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3434bfcc09ddSBjoern A. Zeeb 3435bfcc09ddSBjoern A. Zeeb int ret; 3436bfcc09ddSBjoern A. Zeeb 3437bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 3438bfcc09ddSBjoern A. Zeeb 3439bfcc09ddSBjoern A. Zeeb if (!vif->bss_conf.idle) { 3440bfcc09ddSBjoern A. Zeeb ret = -EBUSY; 3441bfcc09ddSBjoern A. Zeeb goto out; 3442bfcc09ddSBjoern A. Zeeb } 3443bfcc09ddSBjoern A. Zeeb 3444bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 3445bfcc09ddSBjoern A. Zeeb 3446bfcc09ddSBjoern A. Zeeb out: 3447bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 3448bfcc09ddSBjoern A. Zeeb return ret; 3449bfcc09ddSBjoern A. Zeeb } 3450bfcc09ddSBjoern A. Zeeb 3451bfcc09ddSBjoern A. Zeeb static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 3452bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 3453bfcc09ddSBjoern A. Zeeb { 3454bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3455bfcc09ddSBjoern A. Zeeb int ret; 3456bfcc09ddSBjoern A. Zeeb 3457bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 3458bfcc09ddSBjoern A. Zeeb 3459bfcc09ddSBjoern A. Zeeb /* Due to a race condition, it's possible that mac80211 asks 3460bfcc09ddSBjoern A. Zeeb * us to stop a sched_scan when it's already stopped. This 3461bfcc09ddSBjoern A. Zeeb * can happen, for instance, if we stopped the scan ourselves, 3462bfcc09ddSBjoern A. Zeeb * called ieee80211_sched_scan_stopped() and the userspace called 3463bfcc09ddSBjoern A. Zeeb * stop sched scan scan before ieee80211_sched_scan_stopped_work() 3464bfcc09ddSBjoern A. Zeeb * could run. To handle this, simply return if the scan is 3465bfcc09ddSBjoern A. Zeeb * not running. 3466bfcc09ddSBjoern A. Zeeb */ 3467bfcc09ddSBjoern A. Zeeb if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 3468bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 3469bfcc09ddSBjoern A. Zeeb return 0; 3470bfcc09ddSBjoern A. Zeeb } 3471bfcc09ddSBjoern A. Zeeb 3472bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 3473bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 3474bfcc09ddSBjoern A. Zeeb iwl_mvm_wait_for_async_handlers(mvm); 3475bfcc09ddSBjoern A. Zeeb 3476bfcc09ddSBjoern A. Zeeb return ret; 3477bfcc09ddSBjoern A. Zeeb } 3478bfcc09ddSBjoern A. Zeeb 3479bfcc09ddSBjoern A. Zeeb static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 3480bfcc09ddSBjoern A. Zeeb enum set_key_cmd cmd, 3481bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 3482bfcc09ddSBjoern A. Zeeb struct ieee80211_sta *sta, 3483bfcc09ddSBjoern A. Zeeb struct ieee80211_key_conf *key) 3484bfcc09ddSBjoern A. Zeeb { 3485bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3486bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3487bfcc09ddSBjoern A. Zeeb struct iwl_mvm_sta *mvmsta; 3488bfcc09ddSBjoern A. Zeeb struct iwl_mvm_key_pn *ptk_pn; 3489bfcc09ddSBjoern A. Zeeb int keyidx = key->keyidx; 3490bfcc09ddSBjoern A. Zeeb int ret, i; 3491bfcc09ddSBjoern A. Zeeb u8 key_offset; 3492bfcc09ddSBjoern A. Zeeb 3493bfcc09ddSBjoern A. Zeeb switch (key->cipher) { 3494bfcc09ddSBjoern A. Zeeb case WLAN_CIPHER_SUITE_TKIP: 3495bfcc09ddSBjoern A. Zeeb if (!mvm->trans->trans_cfg->gen2) { 3496bfcc09ddSBjoern A. Zeeb key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 3497bfcc09ddSBjoern A. Zeeb key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 3498bfcc09ddSBjoern A. Zeeb } else if (vif->type == NL80211_IFTYPE_STATION) { 3499bfcc09ddSBjoern A. Zeeb key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; 3500bfcc09ddSBjoern A. Zeeb } else { 3501bfcc09ddSBjoern A. Zeeb IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); 3502bfcc09ddSBjoern A. Zeeb return -EOPNOTSUPP; 3503bfcc09ddSBjoern A. Zeeb } 3504bfcc09ddSBjoern A. Zeeb break; 3505bfcc09ddSBjoern A. Zeeb case WLAN_CIPHER_SUITE_CCMP: 3506bfcc09ddSBjoern A. Zeeb case WLAN_CIPHER_SUITE_GCMP: 3507bfcc09ddSBjoern A. Zeeb case WLAN_CIPHER_SUITE_GCMP_256: 3508bfcc09ddSBjoern A. Zeeb if (!iwl_mvm_has_new_tx_api(mvm)) 3509bfcc09ddSBjoern A. Zeeb key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 3510bfcc09ddSBjoern A. Zeeb break; 3511bfcc09ddSBjoern A. Zeeb case WLAN_CIPHER_SUITE_AES_CMAC: 3512bfcc09ddSBjoern A. Zeeb case WLAN_CIPHER_SUITE_BIP_GMAC_128: 3513bfcc09ddSBjoern A. Zeeb case WLAN_CIPHER_SUITE_BIP_GMAC_256: 3514bfcc09ddSBjoern A. Zeeb WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 3515bfcc09ddSBjoern A. Zeeb break; 3516bfcc09ddSBjoern A. Zeeb case WLAN_CIPHER_SUITE_WEP40: 3517bfcc09ddSBjoern A. Zeeb case WLAN_CIPHER_SUITE_WEP104: 3518bfcc09ddSBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_STATION) 3519bfcc09ddSBjoern A. Zeeb break; 3520bfcc09ddSBjoern A. Zeeb if (iwl_mvm_has_new_tx_api(mvm)) 3521bfcc09ddSBjoern A. Zeeb return -EOPNOTSUPP; 3522bfcc09ddSBjoern A. Zeeb /* support HW crypto on TX */ 3523bfcc09ddSBjoern A. Zeeb return 0; 3524bfcc09ddSBjoern A. Zeeb default: 3525bfcc09ddSBjoern A. Zeeb /* currently FW supports only one optional cipher scheme */ 3526bfcc09ddSBjoern A. Zeeb if (hw->n_cipher_schemes && 3527bfcc09ddSBjoern A. Zeeb hw->cipher_schemes->cipher == key->cipher) 3528bfcc09ddSBjoern A. Zeeb key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 3529bfcc09ddSBjoern A. Zeeb else 3530bfcc09ddSBjoern A. Zeeb return -EOPNOTSUPP; 3531bfcc09ddSBjoern A. Zeeb } 3532bfcc09ddSBjoern A. Zeeb 3533bfcc09ddSBjoern A. Zeeb switch (cmd) { 3534bfcc09ddSBjoern A. Zeeb case SET_KEY: 3535bfcc09ddSBjoern A. Zeeb if (keyidx == 6 || keyidx == 7) 3536bfcc09ddSBjoern A. Zeeb rcu_assign_pointer(mvmvif->bcn_prot.keys[keyidx - 6], 3537bfcc09ddSBjoern A. Zeeb key); 3538bfcc09ddSBjoern A. Zeeb 3539bfcc09ddSBjoern A. Zeeb if ((vif->type == NL80211_IFTYPE_ADHOC || 3540bfcc09ddSBjoern A. Zeeb vif->type == NL80211_IFTYPE_AP) && !sta) { 3541bfcc09ddSBjoern A. Zeeb /* 3542bfcc09ddSBjoern A. Zeeb * GTK on AP interface is a TX-only key, return 0; 3543bfcc09ddSBjoern A. Zeeb * on IBSS they're per-station and because we're lazy 3544bfcc09ddSBjoern A. Zeeb * we don't support them for RX, so do the same. 3545bfcc09ddSBjoern A. Zeeb * CMAC/GMAC in AP/IBSS modes must be done in software. 3546bfcc09ddSBjoern A. Zeeb */ 3547bfcc09ddSBjoern A. Zeeb if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 3548bfcc09ddSBjoern A. Zeeb key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 3549bfcc09ddSBjoern A. Zeeb key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256) { 3550bfcc09ddSBjoern A. Zeeb ret = -EOPNOTSUPP; 3551bfcc09ddSBjoern A. Zeeb break; 3552bfcc09ddSBjoern A. Zeeb } 3553bfcc09ddSBjoern A. Zeeb 3554bfcc09ddSBjoern A. Zeeb if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 3555bfcc09ddSBjoern A. Zeeb key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 3556bfcc09ddSBjoern A. Zeeb !iwl_mvm_has_new_tx_api(mvm)) { 3557bfcc09ddSBjoern A. Zeeb key->hw_key_idx = STA_KEY_IDX_INVALID; 3558bfcc09ddSBjoern A. Zeeb ret = 0; 3559bfcc09ddSBjoern A. Zeeb break; 3560bfcc09ddSBjoern A. Zeeb } 3561bfcc09ddSBjoern A. Zeeb 3562bfcc09ddSBjoern A. Zeeb if (!mvmvif->ap_ibss_active) { 3563bfcc09ddSBjoern A. Zeeb for (i = 0; 3564bfcc09ddSBjoern A. Zeeb i < ARRAY_SIZE(mvmvif->ap_early_keys); 3565bfcc09ddSBjoern A. Zeeb i++) { 3566bfcc09ddSBjoern A. Zeeb if (!mvmvif->ap_early_keys[i]) { 3567bfcc09ddSBjoern A. Zeeb mvmvif->ap_early_keys[i] = key; 3568bfcc09ddSBjoern A. Zeeb break; 3569bfcc09ddSBjoern A. Zeeb } 3570bfcc09ddSBjoern A. Zeeb } 3571bfcc09ddSBjoern A. Zeeb 3572bfcc09ddSBjoern A. Zeeb if (i >= ARRAY_SIZE(mvmvif->ap_early_keys)) 3573bfcc09ddSBjoern A. Zeeb ret = -ENOSPC; 3574bfcc09ddSBjoern A. Zeeb else 3575bfcc09ddSBjoern A. Zeeb ret = 0; 3576bfcc09ddSBjoern A. Zeeb 3577bfcc09ddSBjoern A. Zeeb break; 3578bfcc09ddSBjoern A. Zeeb } 3579bfcc09ddSBjoern A. Zeeb } 3580bfcc09ddSBjoern A. Zeeb 3581bfcc09ddSBjoern A. Zeeb /* During FW restart, in order to restore the state as it was, 3582bfcc09ddSBjoern A. Zeeb * don't try to reprogram keys we previously failed for. 3583bfcc09ddSBjoern A. Zeeb */ 3584bfcc09ddSBjoern A. Zeeb if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 3585bfcc09ddSBjoern A. Zeeb key->hw_key_idx == STA_KEY_IDX_INVALID) { 3586bfcc09ddSBjoern A. Zeeb IWL_DEBUG_MAC80211(mvm, 3587bfcc09ddSBjoern A. Zeeb "skip invalid idx key programming during restart\n"); 3588bfcc09ddSBjoern A. Zeeb ret = 0; 3589bfcc09ddSBjoern A. Zeeb break; 3590bfcc09ddSBjoern A. Zeeb } 3591bfcc09ddSBjoern A. Zeeb 3592bfcc09ddSBjoern A. Zeeb if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 3593bfcc09ddSBjoern A. Zeeb sta && iwl_mvm_has_new_rx_api(mvm) && 3594bfcc09ddSBjoern A. Zeeb key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 3595bfcc09ddSBjoern A. Zeeb (key->cipher == WLAN_CIPHER_SUITE_CCMP || 3596bfcc09ddSBjoern A. Zeeb key->cipher == WLAN_CIPHER_SUITE_GCMP || 3597bfcc09ddSBjoern A. Zeeb key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 3598bfcc09ddSBjoern A. Zeeb struct ieee80211_key_seq seq; 3599bfcc09ddSBjoern A. Zeeb int tid, q; 3600bfcc09ddSBjoern A. Zeeb 3601bfcc09ddSBjoern A. Zeeb mvmsta = iwl_mvm_sta_from_mac80211(sta); 3602bfcc09ddSBjoern A. Zeeb WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 3603bfcc09ddSBjoern A. Zeeb ptk_pn = kzalloc(struct_size(ptk_pn, q, 3604bfcc09ddSBjoern A. Zeeb mvm->trans->num_rx_queues), 3605bfcc09ddSBjoern A. Zeeb GFP_KERNEL); 3606bfcc09ddSBjoern A. Zeeb if (!ptk_pn) { 3607bfcc09ddSBjoern A. Zeeb ret = -ENOMEM; 3608bfcc09ddSBjoern A. Zeeb break; 3609bfcc09ddSBjoern A. Zeeb } 3610bfcc09ddSBjoern A. Zeeb 3611bfcc09ddSBjoern A. Zeeb for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 3612bfcc09ddSBjoern A. Zeeb ieee80211_get_key_rx_seq(key, tid, &seq); 3613bfcc09ddSBjoern A. Zeeb for (q = 0; q < mvm->trans->num_rx_queues; q++) 3614bfcc09ddSBjoern A. Zeeb memcpy(ptk_pn->q[q].pn[tid], 3615bfcc09ddSBjoern A. Zeeb seq.ccmp.pn, 3616bfcc09ddSBjoern A. Zeeb IEEE80211_CCMP_PN_LEN); 3617bfcc09ddSBjoern A. Zeeb } 3618bfcc09ddSBjoern A. Zeeb 3619bfcc09ddSBjoern A. Zeeb rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 3620bfcc09ddSBjoern A. Zeeb } 3621bfcc09ddSBjoern A. Zeeb 3622bfcc09ddSBjoern A. Zeeb /* in HW restart reuse the index, otherwise request a new one */ 3623bfcc09ddSBjoern A. Zeeb if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 3624bfcc09ddSBjoern A. Zeeb key_offset = key->hw_key_idx; 3625bfcc09ddSBjoern A. Zeeb else 3626bfcc09ddSBjoern A. Zeeb key_offset = STA_KEY_IDX_INVALID; 3627bfcc09ddSBjoern A. Zeeb 3628bfcc09ddSBjoern A. Zeeb IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n"); 3629bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 3630bfcc09ddSBjoern A. Zeeb if (ret) { 3631bfcc09ddSBjoern A. Zeeb IWL_WARN(mvm, "set key failed\n"); 3632bfcc09ddSBjoern A. Zeeb key->hw_key_idx = STA_KEY_IDX_INVALID; 3633bfcc09ddSBjoern A. Zeeb /* 3634bfcc09ddSBjoern A. Zeeb * can't add key for RX, but we don't need it 3635bfcc09ddSBjoern A. Zeeb * in the device for TX so still return 0, 3636bfcc09ddSBjoern A. Zeeb * unless we have new TX API where we cannot 3637bfcc09ddSBjoern A. Zeeb * put key material into the TX_CMD 3638bfcc09ddSBjoern A. Zeeb */ 3639bfcc09ddSBjoern A. Zeeb if (iwl_mvm_has_new_tx_api(mvm)) 3640bfcc09ddSBjoern A. Zeeb ret = -EOPNOTSUPP; 3641bfcc09ddSBjoern A. Zeeb else 3642bfcc09ddSBjoern A. Zeeb ret = 0; 3643bfcc09ddSBjoern A. Zeeb } 3644bfcc09ddSBjoern A. Zeeb 3645bfcc09ddSBjoern A. Zeeb break; 3646bfcc09ddSBjoern A. Zeeb case DISABLE_KEY: 3647bfcc09ddSBjoern A. Zeeb if (keyidx == 6 || keyidx == 7) 3648bfcc09ddSBjoern A. Zeeb RCU_INIT_POINTER(mvmvif->bcn_prot.keys[keyidx - 6], 3649bfcc09ddSBjoern A. Zeeb NULL); 3650bfcc09ddSBjoern A. Zeeb 3651bfcc09ddSBjoern A. Zeeb ret = -ENOENT; 3652bfcc09ddSBjoern A. Zeeb for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 3653bfcc09ddSBjoern A. Zeeb if (mvmvif->ap_early_keys[i] == key) { 3654bfcc09ddSBjoern A. Zeeb mvmvif->ap_early_keys[i] = NULL; 3655bfcc09ddSBjoern A. Zeeb ret = 0; 3656bfcc09ddSBjoern A. Zeeb } 3657bfcc09ddSBjoern A. Zeeb } 3658bfcc09ddSBjoern A. Zeeb 3659bfcc09ddSBjoern A. Zeeb /* found in pending list - don't do anything else */ 3660bfcc09ddSBjoern A. Zeeb if (ret == 0) 3661bfcc09ddSBjoern A. Zeeb break; 3662bfcc09ddSBjoern A. Zeeb 3663bfcc09ddSBjoern A. Zeeb if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 3664bfcc09ddSBjoern A. Zeeb ret = 0; 3665bfcc09ddSBjoern A. Zeeb break; 3666bfcc09ddSBjoern A. Zeeb } 3667bfcc09ddSBjoern A. Zeeb 3668bfcc09ddSBjoern A. Zeeb if (sta && iwl_mvm_has_new_rx_api(mvm) && 3669bfcc09ddSBjoern A. Zeeb key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 3670bfcc09ddSBjoern A. Zeeb (key->cipher == WLAN_CIPHER_SUITE_CCMP || 3671bfcc09ddSBjoern A. Zeeb key->cipher == WLAN_CIPHER_SUITE_GCMP || 3672bfcc09ddSBjoern A. Zeeb key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 3673bfcc09ddSBjoern A. Zeeb mvmsta = iwl_mvm_sta_from_mac80211(sta); 3674bfcc09ddSBjoern A. Zeeb ptk_pn = rcu_dereference_protected( 3675bfcc09ddSBjoern A. Zeeb mvmsta->ptk_pn[keyidx], 3676bfcc09ddSBjoern A. Zeeb lockdep_is_held(&mvm->mutex)); 3677bfcc09ddSBjoern A. Zeeb RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 3678bfcc09ddSBjoern A. Zeeb if (ptk_pn) 3679bfcc09ddSBjoern A. Zeeb kfree_rcu(ptk_pn, rcu_head); 3680bfcc09ddSBjoern A. Zeeb } 3681bfcc09ddSBjoern A. Zeeb 3682bfcc09ddSBjoern A. Zeeb IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 3683bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 3684bfcc09ddSBjoern A. Zeeb break; 3685bfcc09ddSBjoern A. Zeeb default: 3686bfcc09ddSBjoern A. Zeeb ret = -EINVAL; 3687bfcc09ddSBjoern A. Zeeb } 3688bfcc09ddSBjoern A. Zeeb 3689bfcc09ddSBjoern A. Zeeb return ret; 3690bfcc09ddSBjoern A. Zeeb } 3691bfcc09ddSBjoern A. Zeeb 3692bfcc09ddSBjoern A. Zeeb static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 3693bfcc09ddSBjoern A. Zeeb enum set_key_cmd cmd, 3694bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 3695bfcc09ddSBjoern A. Zeeb struct ieee80211_sta *sta, 3696bfcc09ddSBjoern A. Zeeb struct ieee80211_key_conf *key) 3697bfcc09ddSBjoern A. Zeeb { 3698bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3699bfcc09ddSBjoern A. Zeeb int ret; 3700bfcc09ddSBjoern A. Zeeb 3701bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 3702bfcc09ddSBjoern A. Zeeb ret = __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key); 3703bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 3704bfcc09ddSBjoern A. Zeeb 3705bfcc09ddSBjoern A. Zeeb return ret; 3706bfcc09ddSBjoern A. Zeeb } 3707bfcc09ddSBjoern A. Zeeb 3708bfcc09ddSBjoern A. Zeeb static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 3709bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 3710bfcc09ddSBjoern A. Zeeb struct ieee80211_key_conf *keyconf, 3711bfcc09ddSBjoern A. Zeeb struct ieee80211_sta *sta, 3712bfcc09ddSBjoern A. Zeeb u32 iv32, u16 *phase1key) 3713bfcc09ddSBjoern A. Zeeb { 3714bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3715bfcc09ddSBjoern A. Zeeb 3716bfcc09ddSBjoern A. Zeeb if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 3717bfcc09ddSBjoern A. Zeeb return; 3718bfcc09ddSBjoern A. Zeeb 3719bfcc09ddSBjoern A. Zeeb iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 3720bfcc09ddSBjoern A. Zeeb } 3721bfcc09ddSBjoern A. Zeeb 3722bfcc09ddSBjoern A. Zeeb 3723bfcc09ddSBjoern A. Zeeb static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 3724bfcc09ddSBjoern A. Zeeb struct iwl_rx_packet *pkt, void *data) 3725bfcc09ddSBjoern A. Zeeb { 3726bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = 3727bfcc09ddSBjoern A. Zeeb container_of(notif_wait, struct iwl_mvm, notif_wait); 3728bfcc09ddSBjoern A. Zeeb struct iwl_hs20_roc_res *resp; 3729bfcc09ddSBjoern A. Zeeb int resp_len = iwl_rx_packet_payload_len(pkt); 3730bfcc09ddSBjoern A. Zeeb struct iwl_mvm_time_event_data *te_data = data; 3731bfcc09ddSBjoern A. Zeeb 3732bfcc09ddSBjoern A. Zeeb if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 3733bfcc09ddSBjoern A. Zeeb return true; 3734bfcc09ddSBjoern A. Zeeb 3735bfcc09ddSBjoern A. Zeeb if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 3736bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 3737bfcc09ddSBjoern A. Zeeb return true; 3738bfcc09ddSBjoern A. Zeeb } 3739bfcc09ddSBjoern A. Zeeb 3740bfcc09ddSBjoern A. Zeeb resp = (void *)pkt->data; 3741bfcc09ddSBjoern A. Zeeb 3742bfcc09ddSBjoern A. Zeeb IWL_DEBUG_TE(mvm, 3743bfcc09ddSBjoern A. Zeeb "Aux ROC: Received response from ucode: status=%d uid=%d\n", 3744bfcc09ddSBjoern A. Zeeb resp->status, resp->event_unique_id); 3745bfcc09ddSBjoern A. Zeeb 3746bfcc09ddSBjoern A. Zeeb te_data->uid = le32_to_cpu(resp->event_unique_id); 3747bfcc09ddSBjoern A. Zeeb IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 3748bfcc09ddSBjoern A. Zeeb te_data->uid); 3749bfcc09ddSBjoern A. Zeeb 3750bfcc09ddSBjoern A. Zeeb spin_lock_bh(&mvm->time_event_lock); 3751bfcc09ddSBjoern A. Zeeb list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 3752bfcc09ddSBjoern A. Zeeb spin_unlock_bh(&mvm->time_event_lock); 3753bfcc09ddSBjoern A. Zeeb 3754bfcc09ddSBjoern A. Zeeb return true; 3755bfcc09ddSBjoern A. Zeeb } 3756bfcc09ddSBjoern A. Zeeb 3757bfcc09ddSBjoern A. Zeeb #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100) 3758bfcc09ddSBjoern A. Zeeb #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200) 3759bfcc09ddSBjoern A. Zeeb #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600) 3760bfcc09ddSBjoern A. Zeeb #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20) 3761bfcc09ddSBjoern A. Zeeb #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10) 3762bfcc09ddSBjoern A. Zeeb static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 3763bfcc09ddSBjoern A. Zeeb struct ieee80211_channel *channel, 3764bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 3765bfcc09ddSBjoern A. Zeeb int duration) 3766bfcc09ddSBjoern A. Zeeb { 3767bfcc09ddSBjoern A. Zeeb int res; 3768bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3769bfcc09ddSBjoern A. Zeeb struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 3770bfcc09ddSBjoern A. Zeeb static const u16 time_event_response[] = { HOT_SPOT_CMD }; 3771bfcc09ddSBjoern A. Zeeb struct iwl_notification_wait wait_time_event; 3772bfcc09ddSBjoern A. Zeeb u32 dtim_interval = vif->bss_conf.dtim_period * 3773bfcc09ddSBjoern A. Zeeb vif->bss_conf.beacon_int; 3774bfcc09ddSBjoern A. Zeeb u32 req_dur, delay; 3775bfcc09ddSBjoern A. Zeeb struct iwl_hs20_roc_req aux_roc_req = { 3776bfcc09ddSBjoern A. Zeeb .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 3777bfcc09ddSBjoern A. Zeeb .id_and_color = 3778bfcc09ddSBjoern A. Zeeb cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 3779bfcc09ddSBjoern A. Zeeb .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 3780bfcc09ddSBjoern A. Zeeb }; 3781bfcc09ddSBjoern A. Zeeb struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm, 3782bfcc09ddSBjoern A. Zeeb &aux_roc_req.channel_info); 3783bfcc09ddSBjoern A. Zeeb u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm); 3784bfcc09ddSBjoern A. Zeeb 3785bfcc09ddSBjoern A. Zeeb /* Set the channel info data */ 3786bfcc09ddSBjoern A. Zeeb iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, 3787bfcc09ddSBjoern A. Zeeb iwl_mvm_phy_band_from_nl80211(channel->band), 3788bfcc09ddSBjoern A. Zeeb PHY_VHT_CHANNEL_MODE20, 3789bfcc09ddSBjoern A. Zeeb 0); 3790bfcc09ddSBjoern A. Zeeb 3791bfcc09ddSBjoern A. Zeeb /* Set the time and duration */ 3792bfcc09ddSBjoern A. Zeeb tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm)); 3793bfcc09ddSBjoern A. Zeeb 3794bfcc09ddSBjoern A. Zeeb delay = AUX_ROC_MIN_DELAY; 3795bfcc09ddSBjoern A. Zeeb req_dur = MSEC_TO_TU(duration); 3796bfcc09ddSBjoern A. Zeeb 3797bfcc09ddSBjoern A. Zeeb /* 3798bfcc09ddSBjoern A. Zeeb * If we are associated we want the delay time to be at least one 3799bfcc09ddSBjoern A. Zeeb * dtim interval so that the FW can wait until after the DTIM and 3800bfcc09ddSBjoern A. Zeeb * then start the time event, this will potentially allow us to 3801bfcc09ddSBjoern A. Zeeb * remain off-channel for the max duration. 3802bfcc09ddSBjoern A. Zeeb * Since we want to use almost a whole dtim interval we would also 3803bfcc09ddSBjoern A. Zeeb * like the delay to be for 2-3 dtim intervals, in case there are 3804bfcc09ddSBjoern A. Zeeb * other time events with higher priority. 3805bfcc09ddSBjoern A. Zeeb */ 3806bfcc09ddSBjoern A. Zeeb if (vif->bss_conf.assoc) { 3807bfcc09ddSBjoern A. Zeeb delay = min_t(u32, dtim_interval * 3, AUX_ROC_MAX_DELAY); 3808bfcc09ddSBjoern A. Zeeb /* We cannot remain off-channel longer than the DTIM interval */ 3809bfcc09ddSBjoern A. Zeeb if (dtim_interval <= req_dur) { 3810bfcc09ddSBjoern A. Zeeb req_dur = dtim_interval - AUX_ROC_SAFETY_BUFFER; 3811bfcc09ddSBjoern A. Zeeb if (req_dur <= AUX_ROC_MIN_DURATION) 3812bfcc09ddSBjoern A. Zeeb req_dur = dtim_interval - 3813bfcc09ddSBjoern A. Zeeb AUX_ROC_MIN_SAFETY_BUFFER; 3814bfcc09ddSBjoern A. Zeeb } 3815bfcc09ddSBjoern A. Zeeb } 3816bfcc09ddSBjoern A. Zeeb 3817bfcc09ddSBjoern A. Zeeb tail->duration = cpu_to_le32(req_dur); 3818bfcc09ddSBjoern A. Zeeb tail->apply_time_max_delay = cpu_to_le32(delay); 3819bfcc09ddSBjoern A. Zeeb 3820bfcc09ddSBjoern A. Zeeb IWL_DEBUG_TE(mvm, 3821bfcc09ddSBjoern A. Zeeb "ROC: Requesting to remain on channel %u for %ums\n", 3822bfcc09ddSBjoern A. Zeeb channel->hw_value, req_dur); 3823bfcc09ddSBjoern A. Zeeb IWL_DEBUG_TE(mvm, 3824bfcc09ddSBjoern A. Zeeb "\t(requested = %ums, max_delay = %ums, dtim_interval = %ums)\n", 3825bfcc09ddSBjoern A. Zeeb duration, delay, dtim_interval); 3826bfcc09ddSBjoern A. Zeeb 3827bfcc09ddSBjoern A. Zeeb /* Set the node address */ 3828bfcc09ddSBjoern A. Zeeb memcpy(tail->node_addr, vif->addr, ETH_ALEN); 3829bfcc09ddSBjoern A. Zeeb 3830bfcc09ddSBjoern A. Zeeb lockdep_assert_held(&mvm->mutex); 3831bfcc09ddSBjoern A. Zeeb 3832bfcc09ddSBjoern A. Zeeb spin_lock_bh(&mvm->time_event_lock); 3833bfcc09ddSBjoern A. Zeeb 3834bfcc09ddSBjoern A. Zeeb if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 3835bfcc09ddSBjoern A. Zeeb spin_unlock_bh(&mvm->time_event_lock); 3836bfcc09ddSBjoern A. Zeeb return -EIO; 3837bfcc09ddSBjoern A. Zeeb } 3838bfcc09ddSBjoern A. Zeeb 3839bfcc09ddSBjoern A. Zeeb te_data->vif = vif; 3840bfcc09ddSBjoern A. Zeeb te_data->duration = duration; 3841bfcc09ddSBjoern A. Zeeb te_data->id = HOT_SPOT_CMD; 3842bfcc09ddSBjoern A. Zeeb 3843bfcc09ddSBjoern A. Zeeb spin_unlock_bh(&mvm->time_event_lock); 3844bfcc09ddSBjoern A. Zeeb 3845bfcc09ddSBjoern A. Zeeb /* 3846bfcc09ddSBjoern A. Zeeb * Use a notification wait, which really just processes the 3847bfcc09ddSBjoern A. Zeeb * command response and doesn't wait for anything, in order 3848bfcc09ddSBjoern A. Zeeb * to be able to process the response and get the UID inside 3849bfcc09ddSBjoern A. Zeeb * the RX path. Using CMD_WANT_SKB doesn't work because it 3850bfcc09ddSBjoern A. Zeeb * stores the buffer and then wakes up this thread, by which 3851bfcc09ddSBjoern A. Zeeb * time another notification (that the time event started) 3852bfcc09ddSBjoern A. Zeeb * might already be processed unsuccessfully. 3853bfcc09ddSBjoern A. Zeeb */ 3854bfcc09ddSBjoern A. Zeeb iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 3855bfcc09ddSBjoern A. Zeeb time_event_response, 3856bfcc09ddSBjoern A. Zeeb ARRAY_SIZE(time_event_response), 3857bfcc09ddSBjoern A. Zeeb iwl_mvm_rx_aux_roc, te_data); 3858bfcc09ddSBjoern A. Zeeb 3859bfcc09ddSBjoern A. Zeeb res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len, 3860bfcc09ddSBjoern A. Zeeb &aux_roc_req); 3861bfcc09ddSBjoern A. Zeeb 3862bfcc09ddSBjoern A. Zeeb if (res) { 3863bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 3864bfcc09ddSBjoern A. Zeeb iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 3865bfcc09ddSBjoern A. Zeeb goto out_clear_te; 3866bfcc09ddSBjoern A. Zeeb } 3867bfcc09ddSBjoern A. Zeeb 3868bfcc09ddSBjoern A. Zeeb /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 3869bfcc09ddSBjoern A. Zeeb res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 3870bfcc09ddSBjoern A. Zeeb /* should never fail */ 3871bfcc09ddSBjoern A. Zeeb WARN_ON_ONCE(res); 3872bfcc09ddSBjoern A. Zeeb 3873bfcc09ddSBjoern A. Zeeb if (res) { 3874bfcc09ddSBjoern A. Zeeb out_clear_te: 3875bfcc09ddSBjoern A. Zeeb spin_lock_bh(&mvm->time_event_lock); 3876bfcc09ddSBjoern A. Zeeb iwl_mvm_te_clear_data(mvm, te_data); 3877bfcc09ddSBjoern A. Zeeb spin_unlock_bh(&mvm->time_event_lock); 3878bfcc09ddSBjoern A. Zeeb } 3879bfcc09ddSBjoern A. Zeeb 3880bfcc09ddSBjoern A. Zeeb return res; 3881bfcc09ddSBjoern A. Zeeb } 3882bfcc09ddSBjoern A. Zeeb 3883bfcc09ddSBjoern A. Zeeb static int iwl_mvm_roc(struct ieee80211_hw *hw, 3884bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 3885bfcc09ddSBjoern A. Zeeb struct ieee80211_channel *channel, 3886bfcc09ddSBjoern A. Zeeb int duration, 3887bfcc09ddSBjoern A. Zeeb enum ieee80211_roc_type type) 3888bfcc09ddSBjoern A. Zeeb { 3889bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3890bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3891bfcc09ddSBjoern A. Zeeb struct cfg80211_chan_def chandef; 3892bfcc09ddSBjoern A. Zeeb struct iwl_mvm_phy_ctxt *phy_ctxt; 3893bfcc09ddSBjoern A. Zeeb bool band_change_removal; 3894bfcc09ddSBjoern A. Zeeb int ret, i; 3895bfcc09ddSBjoern A. Zeeb 3896bfcc09ddSBjoern A. Zeeb IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 3897bfcc09ddSBjoern A. Zeeb duration, type); 3898bfcc09ddSBjoern A. Zeeb 3899bfcc09ddSBjoern A. Zeeb /* 3900bfcc09ddSBjoern A. Zeeb * Flush the done work, just in case it's still pending, so that 3901bfcc09ddSBjoern A. Zeeb * the work it does can complete and we can accept new frames. 3902bfcc09ddSBjoern A. Zeeb */ 3903bfcc09ddSBjoern A. Zeeb flush_work(&mvm->roc_done_wk); 3904bfcc09ddSBjoern A. Zeeb 3905bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 3906bfcc09ddSBjoern A. Zeeb 3907bfcc09ddSBjoern A. Zeeb switch (vif->type) { 3908bfcc09ddSBjoern A. Zeeb case NL80211_IFTYPE_STATION: 3909bfcc09ddSBjoern A. Zeeb if (fw_has_capa(&mvm->fw->ucode_capa, 3910bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 3911bfcc09ddSBjoern A. Zeeb /* Use aux roc framework (HS20) */ 3912bfcc09ddSBjoern A. Zeeb if (iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP, 3913bfcc09ddSBjoern A. Zeeb ADD_STA, 0) >= 12) { 3914bfcc09ddSBjoern A. Zeeb u32 lmac_id; 3915bfcc09ddSBjoern A. Zeeb 3916bfcc09ddSBjoern A. Zeeb lmac_id = iwl_mvm_get_lmac_id(mvm->fw, 3917bfcc09ddSBjoern A. Zeeb channel->band); 3918bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_add_aux_sta(mvm, lmac_id); 3919bfcc09ddSBjoern A. Zeeb if (WARN(ret, 3920bfcc09ddSBjoern A. Zeeb "Failed to allocate aux station")) 3921bfcc09ddSBjoern A. Zeeb goto out_unlock; 3922bfcc09ddSBjoern A. Zeeb } 3923bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, 3924bfcc09ddSBjoern A. Zeeb vif, duration); 3925bfcc09ddSBjoern A. Zeeb goto out_unlock; 3926bfcc09ddSBjoern A. Zeeb } 3927bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "hotspot not supported\n"); 3928bfcc09ddSBjoern A. Zeeb ret = -EINVAL; 3929bfcc09ddSBjoern A. Zeeb goto out_unlock; 3930bfcc09ddSBjoern A. Zeeb case NL80211_IFTYPE_P2P_DEVICE: 3931bfcc09ddSBjoern A. Zeeb /* handle below */ 3932bfcc09ddSBjoern A. Zeeb break; 3933bfcc09ddSBjoern A. Zeeb default: 3934bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type); 3935bfcc09ddSBjoern A. Zeeb ret = -EINVAL; 3936bfcc09ddSBjoern A. Zeeb goto out_unlock; 3937bfcc09ddSBjoern A. Zeeb } 3938bfcc09ddSBjoern A. Zeeb 3939bfcc09ddSBjoern A. Zeeb for (i = 0; i < NUM_PHY_CTX; i++) { 3940bfcc09ddSBjoern A. Zeeb phy_ctxt = &mvm->phy_ctxts[i]; 3941bfcc09ddSBjoern A. Zeeb if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt) 3942bfcc09ddSBjoern A. Zeeb continue; 3943bfcc09ddSBjoern A. Zeeb 3944bfcc09ddSBjoern A. Zeeb if (phy_ctxt->ref && channel == phy_ctxt->channel) { 3945bfcc09ddSBjoern A. Zeeb /* 3946bfcc09ddSBjoern A. Zeeb * Unbind the P2P_DEVICE from the current PHY context, 3947bfcc09ddSBjoern A. Zeeb * and if the PHY context is not used remove it. 3948bfcc09ddSBjoern A. Zeeb */ 3949bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_binding_remove_vif(mvm, vif); 3950bfcc09ddSBjoern A. Zeeb if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 3951bfcc09ddSBjoern A. Zeeb goto out_unlock; 3952bfcc09ddSBjoern A. Zeeb 3953bfcc09ddSBjoern A. Zeeb iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 3954bfcc09ddSBjoern A. Zeeb 3955bfcc09ddSBjoern A. Zeeb /* Bind the P2P_DEVICE to the current PHY Context */ 3956bfcc09ddSBjoern A. Zeeb mvmvif->phy_ctxt = phy_ctxt; 3957bfcc09ddSBjoern A. Zeeb 3958bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_binding_add_vif(mvm, vif); 3959bfcc09ddSBjoern A. Zeeb if (WARN(ret, "Failed binding P2P_DEVICE\n")) 3960bfcc09ddSBjoern A. Zeeb goto out_unlock; 3961bfcc09ddSBjoern A. Zeeb 3962bfcc09ddSBjoern A. Zeeb iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 3963bfcc09ddSBjoern A. Zeeb goto schedule_time_event; 3964bfcc09ddSBjoern A. Zeeb } 3965bfcc09ddSBjoern A. Zeeb } 3966bfcc09ddSBjoern A. Zeeb 3967bfcc09ddSBjoern A. Zeeb /* Need to update the PHY context only if the ROC channel changed */ 3968bfcc09ddSBjoern A. Zeeb if (channel == mvmvif->phy_ctxt->channel) 3969bfcc09ddSBjoern A. Zeeb goto schedule_time_event; 3970bfcc09ddSBjoern A. Zeeb 3971bfcc09ddSBjoern A. Zeeb cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 3972bfcc09ddSBjoern A. Zeeb 3973bfcc09ddSBjoern A. Zeeb /* 3974bfcc09ddSBjoern A. Zeeb * Check if the remain-on-channel is on a different band and that 3975bfcc09ddSBjoern A. Zeeb * requires context removal, see iwl_mvm_phy_ctxt_changed(). If 3976bfcc09ddSBjoern A. Zeeb * so, we'll need to release and then re-configure here, since we 3977bfcc09ddSBjoern A. Zeeb * must not remove a PHY context that's part of a binding. 3978bfcc09ddSBjoern A. Zeeb */ 3979bfcc09ddSBjoern A. Zeeb band_change_removal = 3980bfcc09ddSBjoern A. Zeeb fw_has_capa(&mvm->fw->ucode_capa, 3981bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_BINDING_CDB_SUPPORT) && 3982bfcc09ddSBjoern A. Zeeb mvmvif->phy_ctxt->channel->band != chandef.chan->band; 3983bfcc09ddSBjoern A. Zeeb 3984bfcc09ddSBjoern A. Zeeb if (mvmvif->phy_ctxt->ref == 1 && !band_change_removal) { 3985bfcc09ddSBjoern A. Zeeb /* 3986bfcc09ddSBjoern A. Zeeb * Change the PHY context configuration as it is currently 3987bfcc09ddSBjoern A. Zeeb * referenced only by the P2P Device MAC (and we can modify it) 3988bfcc09ddSBjoern A. Zeeb */ 3989bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt, 3990bfcc09ddSBjoern A. Zeeb &chandef, 1, 1); 3991bfcc09ddSBjoern A. Zeeb if (ret) 3992bfcc09ddSBjoern A. Zeeb goto out_unlock; 3993bfcc09ddSBjoern A. Zeeb } else { 3994bfcc09ddSBjoern A. Zeeb /* 3995bfcc09ddSBjoern A. Zeeb * The PHY context is shared with other MACs (or we're trying to 3996bfcc09ddSBjoern A. Zeeb * switch bands), so remove the P2P Device from the binding, 3997bfcc09ddSBjoern A. Zeeb * allocate an new PHY context and create a new binding. 3998bfcc09ddSBjoern A. Zeeb */ 3999bfcc09ddSBjoern A. Zeeb phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4000bfcc09ddSBjoern A. Zeeb if (!phy_ctxt) { 4001bfcc09ddSBjoern A. Zeeb ret = -ENOSPC; 4002bfcc09ddSBjoern A. Zeeb goto out_unlock; 4003bfcc09ddSBjoern A. Zeeb } 4004bfcc09ddSBjoern A. Zeeb 4005bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef, 4006bfcc09ddSBjoern A. Zeeb 1, 1); 4007bfcc09ddSBjoern A. Zeeb if (ret) { 4008bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "Failed to change PHY context\n"); 4009bfcc09ddSBjoern A. Zeeb goto out_unlock; 4010bfcc09ddSBjoern A. Zeeb } 4011bfcc09ddSBjoern A. Zeeb 4012bfcc09ddSBjoern A. Zeeb /* Unbind the P2P_DEVICE from the current PHY context */ 4013bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_binding_remove_vif(mvm, vif); 4014bfcc09ddSBjoern A. Zeeb if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 4015bfcc09ddSBjoern A. Zeeb goto out_unlock; 4016bfcc09ddSBjoern A. Zeeb 4017bfcc09ddSBjoern A. Zeeb iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 4018bfcc09ddSBjoern A. Zeeb 4019bfcc09ddSBjoern A. Zeeb /* Bind the P2P_DEVICE to the new allocated PHY context */ 4020bfcc09ddSBjoern A. Zeeb mvmvif->phy_ctxt = phy_ctxt; 4021bfcc09ddSBjoern A. Zeeb 4022bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_binding_add_vif(mvm, vif); 4023bfcc09ddSBjoern A. Zeeb if (WARN(ret, "Failed binding P2P_DEVICE\n")) 4024bfcc09ddSBjoern A. Zeeb goto out_unlock; 4025bfcc09ddSBjoern A. Zeeb 4026bfcc09ddSBjoern A. Zeeb iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 4027bfcc09ddSBjoern A. Zeeb } 4028bfcc09ddSBjoern A. Zeeb 4029bfcc09ddSBjoern A. Zeeb schedule_time_event: 4030bfcc09ddSBjoern A. Zeeb /* Schedule the time events */ 4031bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 4032bfcc09ddSBjoern A. Zeeb 4033bfcc09ddSBjoern A. Zeeb out_unlock: 4034bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 4035bfcc09ddSBjoern A. Zeeb IWL_DEBUG_MAC80211(mvm, "leave\n"); 4036bfcc09ddSBjoern A. Zeeb return ret; 4037bfcc09ddSBjoern A. Zeeb } 4038bfcc09ddSBjoern A. Zeeb 4039bfcc09ddSBjoern A. Zeeb static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw, 4040bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 4041bfcc09ddSBjoern A. Zeeb { 4042bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4043bfcc09ddSBjoern A. Zeeb 4044bfcc09ddSBjoern A. Zeeb IWL_DEBUG_MAC80211(mvm, "enter\n"); 4045bfcc09ddSBjoern A. Zeeb 4046bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 4047bfcc09ddSBjoern A. Zeeb iwl_mvm_stop_roc(mvm, vif); 4048bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 4049bfcc09ddSBjoern A. Zeeb 4050bfcc09ddSBjoern A. Zeeb IWL_DEBUG_MAC80211(mvm, "leave\n"); 4051bfcc09ddSBjoern A. Zeeb return 0; 4052bfcc09ddSBjoern A. Zeeb } 4053bfcc09ddSBjoern A. Zeeb 4054bfcc09ddSBjoern A. Zeeb struct iwl_mvm_ftm_responder_iter_data { 4055bfcc09ddSBjoern A. Zeeb bool responder; 4056bfcc09ddSBjoern A. Zeeb struct ieee80211_chanctx_conf *ctx; 4057bfcc09ddSBjoern A. Zeeb }; 4058bfcc09ddSBjoern A. Zeeb 4059bfcc09ddSBjoern A. Zeeb static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac, 4060bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif) 4061bfcc09ddSBjoern A. Zeeb { 4062bfcc09ddSBjoern A. Zeeb struct iwl_mvm_ftm_responder_iter_data *data = _data; 4063bfcc09ddSBjoern A. Zeeb 4064bfcc09ddSBjoern A. Zeeb if (rcu_access_pointer(vif->chanctx_conf) == data->ctx && 4065bfcc09ddSBjoern A. Zeeb vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params) 4066bfcc09ddSBjoern A. Zeeb data->responder = true; 4067bfcc09ddSBjoern A. Zeeb } 4068bfcc09ddSBjoern A. Zeeb 4069bfcc09ddSBjoern A. Zeeb static bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm, 4070bfcc09ddSBjoern A. Zeeb struct ieee80211_chanctx_conf *ctx) 4071bfcc09ddSBjoern A. Zeeb { 4072bfcc09ddSBjoern A. Zeeb struct iwl_mvm_ftm_responder_iter_data data = { 4073bfcc09ddSBjoern A. Zeeb .responder = false, 4074bfcc09ddSBjoern A. Zeeb .ctx = ctx, 4075bfcc09ddSBjoern A. Zeeb }; 4076bfcc09ddSBjoern A. Zeeb 4077bfcc09ddSBjoern A. Zeeb ieee80211_iterate_active_interfaces_atomic(mvm->hw, 4078bfcc09ddSBjoern A. Zeeb IEEE80211_IFACE_ITER_NORMAL, 4079bfcc09ddSBjoern A. Zeeb iwl_mvm_ftm_responder_chanctx_iter, 4080bfcc09ddSBjoern A. Zeeb &data); 4081bfcc09ddSBjoern A. Zeeb return data.responder; 4082bfcc09ddSBjoern A. Zeeb } 4083bfcc09ddSBjoern A. Zeeb 4084bfcc09ddSBjoern A. Zeeb static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 4085bfcc09ddSBjoern A. Zeeb struct ieee80211_chanctx_conf *ctx) 4086bfcc09ddSBjoern A. Zeeb { 4087bfcc09ddSBjoern A. Zeeb u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4088bfcc09ddSBjoern A. Zeeb struct iwl_mvm_phy_ctxt *phy_ctxt; 4089bfcc09ddSBjoern A. Zeeb bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); 4090bfcc09ddSBjoern A. Zeeb struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; 4091bfcc09ddSBjoern A. Zeeb int ret; 4092bfcc09ddSBjoern A. Zeeb 4093bfcc09ddSBjoern A. Zeeb lockdep_assert_held(&mvm->mutex); 4094bfcc09ddSBjoern A. Zeeb 4095bfcc09ddSBjoern A. Zeeb IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 4096bfcc09ddSBjoern A. Zeeb 4097bfcc09ddSBjoern A. Zeeb phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4098bfcc09ddSBjoern A. Zeeb if (!phy_ctxt) { 4099bfcc09ddSBjoern A. Zeeb ret = -ENOSPC; 4100bfcc09ddSBjoern A. Zeeb goto out; 4101bfcc09ddSBjoern A. Zeeb } 4102bfcc09ddSBjoern A. Zeeb 4103bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, 4104bfcc09ddSBjoern A. Zeeb ctx->rx_chains_static, 4105bfcc09ddSBjoern A. Zeeb ctx->rx_chains_dynamic); 4106bfcc09ddSBjoern A. Zeeb if (ret) { 4107bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "Failed to add PHY context\n"); 4108bfcc09ddSBjoern A. Zeeb goto out; 4109bfcc09ddSBjoern A. Zeeb } 4110bfcc09ddSBjoern A. Zeeb 4111bfcc09ddSBjoern A. Zeeb iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt); 4112bfcc09ddSBjoern A. Zeeb *phy_ctxt_id = phy_ctxt->id; 4113bfcc09ddSBjoern A. Zeeb out: 4114bfcc09ddSBjoern A. Zeeb return ret; 4115bfcc09ddSBjoern A. Zeeb } 4116bfcc09ddSBjoern A. Zeeb 4117bfcc09ddSBjoern A. Zeeb static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 4118bfcc09ddSBjoern A. Zeeb struct ieee80211_chanctx_conf *ctx) 4119bfcc09ddSBjoern A. Zeeb { 4120bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4121bfcc09ddSBjoern A. Zeeb int ret; 4122bfcc09ddSBjoern A. Zeeb 4123bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 4124bfcc09ddSBjoern A. Zeeb ret = __iwl_mvm_add_chanctx(mvm, ctx); 4125bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 4126bfcc09ddSBjoern A. Zeeb 4127bfcc09ddSBjoern A. Zeeb return ret; 4128bfcc09ddSBjoern A. Zeeb } 4129bfcc09ddSBjoern A. Zeeb 4130bfcc09ddSBjoern A. Zeeb static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 4131bfcc09ddSBjoern A. Zeeb struct ieee80211_chanctx_conf *ctx) 4132bfcc09ddSBjoern A. Zeeb { 4133bfcc09ddSBjoern A. Zeeb u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4134bfcc09ddSBjoern A. Zeeb struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4135bfcc09ddSBjoern A. Zeeb 4136bfcc09ddSBjoern A. Zeeb lockdep_assert_held(&mvm->mutex); 4137bfcc09ddSBjoern A. Zeeb 4138bfcc09ddSBjoern A. Zeeb iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 4139bfcc09ddSBjoern A. Zeeb } 4140bfcc09ddSBjoern A. Zeeb 4141bfcc09ddSBjoern A. Zeeb static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 4142bfcc09ddSBjoern A. Zeeb struct ieee80211_chanctx_conf *ctx) 4143bfcc09ddSBjoern A. Zeeb { 4144bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4145bfcc09ddSBjoern A. Zeeb 4146bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 4147bfcc09ddSBjoern A. Zeeb __iwl_mvm_remove_chanctx(mvm, ctx); 4148bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 4149bfcc09ddSBjoern A. Zeeb } 4150bfcc09ddSBjoern A. Zeeb 4151bfcc09ddSBjoern A. Zeeb static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 4152bfcc09ddSBjoern A. Zeeb struct ieee80211_chanctx_conf *ctx, 4153bfcc09ddSBjoern A. Zeeb u32 changed) 4154bfcc09ddSBjoern A. Zeeb { 4155bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4156bfcc09ddSBjoern A. Zeeb u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4157bfcc09ddSBjoern A. Zeeb struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4158bfcc09ddSBjoern A. Zeeb bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); 4159bfcc09ddSBjoern A. Zeeb struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; 4160bfcc09ddSBjoern A. Zeeb 4161bfcc09ddSBjoern A. Zeeb if (WARN_ONCE((phy_ctxt->ref > 1) && 4162bfcc09ddSBjoern A. Zeeb (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 4163bfcc09ddSBjoern A. Zeeb IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 4164bfcc09ddSBjoern A. Zeeb IEEE80211_CHANCTX_CHANGE_RADAR | 4165bfcc09ddSBjoern A. Zeeb IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), 4166bfcc09ddSBjoern A. Zeeb "Cannot change PHY. Ref=%d, changed=0x%X\n", 4167bfcc09ddSBjoern A. Zeeb phy_ctxt->ref, changed)) 4168bfcc09ddSBjoern A. Zeeb return; 4169bfcc09ddSBjoern A. Zeeb 4170bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 4171bfcc09ddSBjoern A. Zeeb 4172bfcc09ddSBjoern A. Zeeb /* we are only changing the min_width, may be a noop */ 4173bfcc09ddSBjoern A. Zeeb if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) { 4174bfcc09ddSBjoern A. Zeeb if (phy_ctxt->width == def->width) 4175bfcc09ddSBjoern A. Zeeb goto out_unlock; 4176bfcc09ddSBjoern A. Zeeb 4177bfcc09ddSBjoern A. Zeeb /* we are just toggling between 20_NOHT and 20 */ 4178bfcc09ddSBjoern A. Zeeb if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && 4179bfcc09ddSBjoern A. Zeeb def->width <= NL80211_CHAN_WIDTH_20) 4180bfcc09ddSBjoern A. Zeeb goto out_unlock; 4181bfcc09ddSBjoern A. Zeeb } 4182bfcc09ddSBjoern A. Zeeb 4183bfcc09ddSBjoern A. Zeeb iwl_mvm_bt_coex_vif_change(mvm); 4184bfcc09ddSBjoern A. Zeeb iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, 4185bfcc09ddSBjoern A. Zeeb ctx->rx_chains_static, 4186bfcc09ddSBjoern A. Zeeb ctx->rx_chains_dynamic); 4187bfcc09ddSBjoern A. Zeeb 4188bfcc09ddSBjoern A. Zeeb out_unlock: 4189bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 4190bfcc09ddSBjoern A. Zeeb } 4191bfcc09ddSBjoern A. Zeeb 4192bfcc09ddSBjoern A. Zeeb static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 4193bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 4194bfcc09ddSBjoern A. Zeeb struct ieee80211_chanctx_conf *ctx, 4195bfcc09ddSBjoern A. Zeeb bool switching_chanctx) 4196bfcc09ddSBjoern A. Zeeb { 4197bfcc09ddSBjoern A. Zeeb u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4198bfcc09ddSBjoern A. Zeeb struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4199bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4200bfcc09ddSBjoern A. Zeeb int ret; 4201bfcc09ddSBjoern A. Zeeb 4202bfcc09ddSBjoern A. Zeeb lockdep_assert_held(&mvm->mutex); 4203bfcc09ddSBjoern A. Zeeb 4204bfcc09ddSBjoern A. Zeeb mvmvif->phy_ctxt = phy_ctxt; 4205bfcc09ddSBjoern A. Zeeb 4206bfcc09ddSBjoern A. Zeeb switch (vif->type) { 4207bfcc09ddSBjoern A. Zeeb case NL80211_IFTYPE_AP: 4208bfcc09ddSBjoern A. Zeeb /* only needed if we're switching chanctx (i.e. during CSA) */ 4209bfcc09ddSBjoern A. Zeeb if (switching_chanctx) { 4210bfcc09ddSBjoern A. Zeeb mvmvif->ap_ibss_active = true; 4211bfcc09ddSBjoern A. Zeeb break; 4212bfcc09ddSBjoern A. Zeeb } 4213bfcc09ddSBjoern A. Zeeb fallthrough; 4214bfcc09ddSBjoern A. Zeeb case NL80211_IFTYPE_ADHOC: 4215bfcc09ddSBjoern A. Zeeb /* 4216bfcc09ddSBjoern A. Zeeb * The AP binding flow is handled as part of the start_ap flow 4217bfcc09ddSBjoern A. Zeeb * (in bss_info_changed), similarly for IBSS. 4218bfcc09ddSBjoern A. Zeeb */ 4219bfcc09ddSBjoern A. Zeeb ret = 0; 4220bfcc09ddSBjoern A. Zeeb goto out; 4221bfcc09ddSBjoern A. Zeeb case NL80211_IFTYPE_STATION: 4222bfcc09ddSBjoern A. Zeeb mvmvif->csa_bcn_pending = false; 4223bfcc09ddSBjoern A. Zeeb break; 4224bfcc09ddSBjoern A. Zeeb case NL80211_IFTYPE_MONITOR: 4225bfcc09ddSBjoern A. Zeeb /* always disable PS when a monitor interface is active */ 4226bfcc09ddSBjoern A. Zeeb mvmvif->ps_disabled = true; 4227bfcc09ddSBjoern A. Zeeb break; 4228bfcc09ddSBjoern A. Zeeb default: 4229bfcc09ddSBjoern A. Zeeb ret = -EINVAL; 4230bfcc09ddSBjoern A. Zeeb goto out; 4231bfcc09ddSBjoern A. Zeeb } 4232bfcc09ddSBjoern A. Zeeb 4233bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_binding_add_vif(mvm, vif); 4234bfcc09ddSBjoern A. Zeeb if (ret) 4235bfcc09ddSBjoern A. Zeeb goto out; 4236bfcc09ddSBjoern A. Zeeb 4237bfcc09ddSBjoern A. Zeeb /* 4238bfcc09ddSBjoern A. Zeeb * Power state must be updated before quotas, 4239bfcc09ddSBjoern A. Zeeb * otherwise fw will complain. 4240bfcc09ddSBjoern A. Zeeb */ 4241bfcc09ddSBjoern A. Zeeb iwl_mvm_power_update_mac(mvm); 4242bfcc09ddSBjoern A. Zeeb 4243bfcc09ddSBjoern A. Zeeb /* Setting the quota at this stage is only required for monitor 4244bfcc09ddSBjoern A. Zeeb * interfaces. For the other types, the bss_info changed flow 4245bfcc09ddSBjoern A. Zeeb * will handle quota settings. 4246bfcc09ddSBjoern A. Zeeb */ 4247bfcc09ddSBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_MONITOR) { 4248bfcc09ddSBjoern A. Zeeb mvmvif->monitor_active = true; 4249bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_update_quotas(mvm, false, NULL); 4250bfcc09ddSBjoern A. Zeeb if (ret) 4251bfcc09ddSBjoern A. Zeeb goto out_remove_binding; 4252bfcc09ddSBjoern A. Zeeb 4253bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_add_snif_sta(mvm, vif); 4254bfcc09ddSBjoern A. Zeeb if (ret) 4255bfcc09ddSBjoern A. Zeeb goto out_remove_binding; 4256bfcc09ddSBjoern A. Zeeb 4257bfcc09ddSBjoern A. Zeeb } 4258bfcc09ddSBjoern A. Zeeb 4259bfcc09ddSBjoern A. Zeeb /* Handle binding during CSA */ 4260bfcc09ddSBjoern A. Zeeb if (vif->type == NL80211_IFTYPE_AP) { 4261bfcc09ddSBjoern A. Zeeb iwl_mvm_update_quotas(mvm, false, NULL); 4262bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4263bfcc09ddSBjoern A. Zeeb } 4264bfcc09ddSBjoern A. Zeeb 4265bfcc09ddSBjoern A. Zeeb if (switching_chanctx && vif->type == NL80211_IFTYPE_STATION) { 4266bfcc09ddSBjoern A. Zeeb mvmvif->csa_bcn_pending = true; 4267bfcc09ddSBjoern A. Zeeb 4268bfcc09ddSBjoern A. Zeeb if (!fw_has_capa(&mvm->fw->ucode_capa, 4269bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 4270bfcc09ddSBjoern A. Zeeb u32 duration = 3 * vif->bss_conf.beacon_int; 4271bfcc09ddSBjoern A. Zeeb 4272bfcc09ddSBjoern A. Zeeb /* Protect the session to make sure we hear the first 4273bfcc09ddSBjoern A. Zeeb * beacon on the new channel. 4274bfcc09ddSBjoern A. Zeeb */ 4275bfcc09ddSBjoern A. Zeeb iwl_mvm_protect_session(mvm, vif, duration, duration, 4276bfcc09ddSBjoern A. Zeeb vif->bss_conf.beacon_int / 2, 4277bfcc09ddSBjoern A. Zeeb true); 4278bfcc09ddSBjoern A. Zeeb } 4279bfcc09ddSBjoern A. Zeeb 4280bfcc09ddSBjoern A. Zeeb iwl_mvm_update_quotas(mvm, false, NULL); 4281bfcc09ddSBjoern A. Zeeb } 4282bfcc09ddSBjoern A. Zeeb 4283bfcc09ddSBjoern A. Zeeb goto out; 4284bfcc09ddSBjoern A. Zeeb 4285bfcc09ddSBjoern A. Zeeb out_remove_binding: 4286bfcc09ddSBjoern A. Zeeb iwl_mvm_binding_remove_vif(mvm, vif); 4287bfcc09ddSBjoern A. Zeeb iwl_mvm_power_update_mac(mvm); 4288bfcc09ddSBjoern A. Zeeb out: 4289bfcc09ddSBjoern A. Zeeb if (ret) 4290bfcc09ddSBjoern A. Zeeb mvmvif->phy_ctxt = NULL; 4291bfcc09ddSBjoern A. Zeeb return ret; 4292bfcc09ddSBjoern A. Zeeb } 4293bfcc09ddSBjoern A. Zeeb static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 4294bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 4295bfcc09ddSBjoern A. Zeeb struct ieee80211_chanctx_conf *ctx) 4296bfcc09ddSBjoern A. Zeeb { 4297bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4298bfcc09ddSBjoern A. Zeeb int ret; 4299bfcc09ddSBjoern A. Zeeb 4300bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 4301bfcc09ddSBjoern A. Zeeb ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false); 4302bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 4303bfcc09ddSBjoern A. Zeeb 4304bfcc09ddSBjoern A. Zeeb return ret; 4305bfcc09ddSBjoern A. Zeeb } 4306bfcc09ddSBjoern A. Zeeb 4307bfcc09ddSBjoern A. Zeeb static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 4308bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 4309bfcc09ddSBjoern A. Zeeb struct ieee80211_chanctx_conf *ctx, 4310bfcc09ddSBjoern A. Zeeb bool switching_chanctx) 4311bfcc09ddSBjoern A. Zeeb { 4312bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4313bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *disabled_vif = NULL; 4314bfcc09ddSBjoern A. Zeeb 4315bfcc09ddSBjoern A. Zeeb lockdep_assert_held(&mvm->mutex); 4316bfcc09ddSBjoern A. Zeeb iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data); 4317bfcc09ddSBjoern A. Zeeb 4318bfcc09ddSBjoern A. Zeeb switch (vif->type) { 4319bfcc09ddSBjoern A. Zeeb case NL80211_IFTYPE_ADHOC: 4320bfcc09ddSBjoern A. Zeeb goto out; 4321bfcc09ddSBjoern A. Zeeb case NL80211_IFTYPE_MONITOR: 4322bfcc09ddSBjoern A. Zeeb mvmvif->monitor_active = false; 4323bfcc09ddSBjoern A. Zeeb mvmvif->ps_disabled = false; 4324bfcc09ddSBjoern A. Zeeb iwl_mvm_rm_snif_sta(mvm, vif); 4325bfcc09ddSBjoern A. Zeeb break; 4326bfcc09ddSBjoern A. Zeeb case NL80211_IFTYPE_AP: 4327bfcc09ddSBjoern A. Zeeb /* This part is triggered only during CSA */ 4328bfcc09ddSBjoern A. Zeeb if (!switching_chanctx || !mvmvif->ap_ibss_active) 4329bfcc09ddSBjoern A. Zeeb goto out; 4330bfcc09ddSBjoern A. Zeeb 4331bfcc09ddSBjoern A. Zeeb mvmvif->csa_countdown = false; 4332bfcc09ddSBjoern A. Zeeb 4333bfcc09ddSBjoern A. Zeeb /* Set CS bit on all the stations */ 4334bfcc09ddSBjoern A. Zeeb iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 4335bfcc09ddSBjoern A. Zeeb 4336bfcc09ddSBjoern A. Zeeb /* Save blocked iface, the timeout is set on the next beacon */ 4337bfcc09ddSBjoern A. Zeeb rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 4338bfcc09ddSBjoern A. Zeeb 4339bfcc09ddSBjoern A. Zeeb mvmvif->ap_ibss_active = false; 4340bfcc09ddSBjoern A. Zeeb break; 4341bfcc09ddSBjoern A. Zeeb case NL80211_IFTYPE_STATION: 4342bfcc09ddSBjoern A. Zeeb if (!switching_chanctx) 4343bfcc09ddSBjoern A. Zeeb break; 4344bfcc09ddSBjoern A. Zeeb 4345bfcc09ddSBjoern A. Zeeb disabled_vif = vif; 4346bfcc09ddSBjoern A. Zeeb 4347bfcc09ddSBjoern A. Zeeb if (!fw_has_capa(&mvm->fw->ucode_capa, 4348bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 4349bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 4350bfcc09ddSBjoern A. Zeeb break; 4351bfcc09ddSBjoern A. Zeeb default: 4352bfcc09ddSBjoern A. Zeeb break; 4353bfcc09ddSBjoern A. Zeeb } 4354bfcc09ddSBjoern A. Zeeb 4355bfcc09ddSBjoern A. Zeeb iwl_mvm_update_quotas(mvm, false, disabled_vif); 4356bfcc09ddSBjoern A. Zeeb iwl_mvm_binding_remove_vif(mvm, vif); 4357bfcc09ddSBjoern A. Zeeb 4358bfcc09ddSBjoern A. Zeeb out: 4359bfcc09ddSBjoern A. Zeeb if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD) && 4360bfcc09ddSBjoern A. Zeeb switching_chanctx) 4361bfcc09ddSBjoern A. Zeeb return; 4362bfcc09ddSBjoern A. Zeeb mvmvif->phy_ctxt = NULL; 4363bfcc09ddSBjoern A. Zeeb iwl_mvm_power_update_mac(mvm); 4364bfcc09ddSBjoern A. Zeeb } 4365bfcc09ddSBjoern A. Zeeb 4366bfcc09ddSBjoern A. Zeeb static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 4367bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 4368bfcc09ddSBjoern A. Zeeb struct ieee80211_chanctx_conf *ctx) 4369bfcc09ddSBjoern A. Zeeb { 4370bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4371bfcc09ddSBjoern A. Zeeb 4372bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 4373bfcc09ddSBjoern A. Zeeb __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false); 4374bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 4375bfcc09ddSBjoern A. Zeeb } 4376bfcc09ddSBjoern A. Zeeb 4377bfcc09ddSBjoern A. Zeeb static int 4378bfcc09ddSBjoern A. Zeeb iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 4379bfcc09ddSBjoern A. Zeeb struct ieee80211_vif_chanctx_switch *vifs) 4380bfcc09ddSBjoern A. Zeeb { 4381bfcc09ddSBjoern A. Zeeb int ret; 4382bfcc09ddSBjoern A. Zeeb 4383bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 4384bfcc09ddSBjoern A. Zeeb __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); 4385bfcc09ddSBjoern A. Zeeb __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 4386bfcc09ddSBjoern A. Zeeb 4387bfcc09ddSBjoern A. Zeeb ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 4388bfcc09ddSBjoern A. Zeeb if (ret) { 4389bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 4390bfcc09ddSBjoern A. Zeeb goto out_reassign; 4391bfcc09ddSBjoern A. Zeeb } 4392bfcc09ddSBjoern A. Zeeb 4393bfcc09ddSBjoern A. Zeeb ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, 4394bfcc09ddSBjoern A. Zeeb true); 4395bfcc09ddSBjoern A. Zeeb if (ret) { 4396bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, 4397bfcc09ddSBjoern A. Zeeb "failed to assign new_ctx during channel switch\n"); 4398bfcc09ddSBjoern A. Zeeb goto out_remove; 4399bfcc09ddSBjoern A. Zeeb } 4400bfcc09ddSBjoern A. Zeeb 4401bfcc09ddSBjoern A. Zeeb /* we don't support TDLS during DCM - can be caused by channel switch */ 4402bfcc09ddSBjoern A. Zeeb if (iwl_mvm_phy_ctx_count(mvm) > 1) 4403bfcc09ddSBjoern A. Zeeb iwl_mvm_teardown_tdls_peers(mvm); 4404bfcc09ddSBjoern A. Zeeb 4405bfcc09ddSBjoern A. Zeeb goto out; 4406bfcc09ddSBjoern A. Zeeb 4407bfcc09ddSBjoern A. Zeeb out_remove: 4408bfcc09ddSBjoern A. Zeeb __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 4409bfcc09ddSBjoern A. Zeeb 4410bfcc09ddSBjoern A. Zeeb out_reassign: 4411bfcc09ddSBjoern A. Zeeb if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 4412bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 4413bfcc09ddSBjoern A. Zeeb goto out_restart; 4414bfcc09ddSBjoern A. Zeeb } 4415bfcc09ddSBjoern A. Zeeb 4416bfcc09ddSBjoern A. Zeeb if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, 4417bfcc09ddSBjoern A. Zeeb true)) { 4418bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 4419bfcc09ddSBjoern A. Zeeb goto out_restart; 4420bfcc09ddSBjoern A. Zeeb } 4421bfcc09ddSBjoern A. Zeeb 4422bfcc09ddSBjoern A. Zeeb goto out; 4423bfcc09ddSBjoern A. Zeeb 4424bfcc09ddSBjoern A. Zeeb out_restart: 4425bfcc09ddSBjoern A. Zeeb /* things keep failing, better restart the hw */ 4426bfcc09ddSBjoern A. Zeeb iwl_mvm_nic_restart(mvm, false); 4427bfcc09ddSBjoern A. Zeeb 4428bfcc09ddSBjoern A. Zeeb out: 4429bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 4430bfcc09ddSBjoern A. Zeeb 4431bfcc09ddSBjoern A. Zeeb return ret; 4432bfcc09ddSBjoern A. Zeeb } 4433bfcc09ddSBjoern A. Zeeb 4434bfcc09ddSBjoern A. Zeeb static int 4435bfcc09ddSBjoern A. Zeeb iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 4436bfcc09ddSBjoern A. Zeeb struct ieee80211_vif_chanctx_switch *vifs) 4437bfcc09ddSBjoern A. Zeeb { 4438bfcc09ddSBjoern A. Zeeb int ret; 4439bfcc09ddSBjoern A. Zeeb 4440bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 4441bfcc09ddSBjoern A. Zeeb __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); 4442bfcc09ddSBjoern A. Zeeb 4443bfcc09ddSBjoern A. Zeeb ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, 4444bfcc09ddSBjoern A. Zeeb true); 4445bfcc09ddSBjoern A. Zeeb if (ret) { 4446bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, 4447bfcc09ddSBjoern A. Zeeb "failed to assign new_ctx during channel switch\n"); 4448bfcc09ddSBjoern A. Zeeb goto out_reassign; 4449bfcc09ddSBjoern A. Zeeb } 4450bfcc09ddSBjoern A. Zeeb 4451bfcc09ddSBjoern A. Zeeb goto out; 4452bfcc09ddSBjoern A. Zeeb 4453bfcc09ddSBjoern A. Zeeb out_reassign: 4454bfcc09ddSBjoern A. Zeeb if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, 4455bfcc09ddSBjoern A. Zeeb true)) { 4456bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 4457bfcc09ddSBjoern A. Zeeb goto out_restart; 4458bfcc09ddSBjoern A. Zeeb } 4459bfcc09ddSBjoern A. Zeeb 4460bfcc09ddSBjoern A. Zeeb goto out; 4461bfcc09ddSBjoern A. Zeeb 4462bfcc09ddSBjoern A. Zeeb out_restart: 4463bfcc09ddSBjoern A. Zeeb /* things keep failing, better restart the hw */ 4464bfcc09ddSBjoern A. Zeeb iwl_mvm_nic_restart(mvm, false); 4465bfcc09ddSBjoern A. Zeeb 4466bfcc09ddSBjoern A. Zeeb out: 4467bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 4468bfcc09ddSBjoern A. Zeeb 4469bfcc09ddSBjoern A. Zeeb return ret; 4470bfcc09ddSBjoern A. Zeeb } 4471bfcc09ddSBjoern A. Zeeb 4472bfcc09ddSBjoern A. Zeeb static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 4473bfcc09ddSBjoern A. Zeeb struct ieee80211_vif_chanctx_switch *vifs, 4474bfcc09ddSBjoern A. Zeeb int n_vifs, 4475bfcc09ddSBjoern A. Zeeb enum ieee80211_chanctx_switch_mode mode) 4476bfcc09ddSBjoern A. Zeeb { 4477bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4478bfcc09ddSBjoern A. Zeeb int ret; 4479bfcc09ddSBjoern A. Zeeb 4480bfcc09ddSBjoern A. Zeeb /* we only support a single-vif right now */ 4481bfcc09ddSBjoern A. Zeeb if (n_vifs > 1) 4482bfcc09ddSBjoern A. Zeeb return -EOPNOTSUPP; 4483bfcc09ddSBjoern A. Zeeb 4484bfcc09ddSBjoern A. Zeeb switch (mode) { 4485bfcc09ddSBjoern A. Zeeb case CHANCTX_SWMODE_SWAP_CONTEXTS: 4486bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs); 4487bfcc09ddSBjoern A. Zeeb break; 4488bfcc09ddSBjoern A. Zeeb case CHANCTX_SWMODE_REASSIGN_VIF: 4489bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs); 4490bfcc09ddSBjoern A. Zeeb break; 4491bfcc09ddSBjoern A. Zeeb default: 4492bfcc09ddSBjoern A. Zeeb ret = -EOPNOTSUPP; 4493bfcc09ddSBjoern A. Zeeb break; 4494bfcc09ddSBjoern A. Zeeb } 4495bfcc09ddSBjoern A. Zeeb 4496bfcc09ddSBjoern A. Zeeb return ret; 4497bfcc09ddSBjoern A. Zeeb } 4498bfcc09ddSBjoern A. Zeeb 4499bfcc09ddSBjoern A. Zeeb static int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 4500bfcc09ddSBjoern A. Zeeb { 4501bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4502bfcc09ddSBjoern A. Zeeb 4503bfcc09ddSBjoern A. Zeeb return mvm->ibss_manager; 4504bfcc09ddSBjoern A. Zeeb } 4505bfcc09ddSBjoern A. Zeeb 4506bfcc09ddSBjoern A. Zeeb static int iwl_mvm_set_tim(struct ieee80211_hw *hw, 4507bfcc09ddSBjoern A. Zeeb struct ieee80211_sta *sta, 4508bfcc09ddSBjoern A. Zeeb bool set) 4509bfcc09ddSBjoern A. Zeeb { 4510bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4511bfcc09ddSBjoern A. Zeeb struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 4512bfcc09ddSBjoern A. Zeeb 4513bfcc09ddSBjoern A. Zeeb if (!mvm_sta || !mvm_sta->vif) { 4514bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "Station is not associated to a vif\n"); 4515bfcc09ddSBjoern A. Zeeb return -EINVAL; 4516bfcc09ddSBjoern A. Zeeb } 4517bfcc09ddSBjoern A. Zeeb 4518bfcc09ddSBjoern A. Zeeb return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif); 4519bfcc09ddSBjoern A. Zeeb } 4520bfcc09ddSBjoern A. Zeeb 4521bfcc09ddSBjoern A. Zeeb #ifdef CONFIG_NL80211_TESTMODE 4522bfcc09ddSBjoern A. Zeeb static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { 4523bfcc09ddSBjoern A. Zeeb [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, 4524bfcc09ddSBjoern A. Zeeb [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, 4525bfcc09ddSBjoern A. Zeeb [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, 4526bfcc09ddSBjoern A. Zeeb }; 4527bfcc09ddSBjoern A. Zeeb 4528bfcc09ddSBjoern A. Zeeb static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, 4529bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 4530bfcc09ddSBjoern A. Zeeb void *data, int len) 4531bfcc09ddSBjoern A. Zeeb { 4532bfcc09ddSBjoern A. Zeeb struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; 4533bfcc09ddSBjoern A. Zeeb int err; 4534bfcc09ddSBjoern A. Zeeb u32 noa_duration; 4535bfcc09ddSBjoern A. Zeeb 4536bfcc09ddSBjoern A. Zeeb err = nla_parse_deprecated(tb, IWL_MVM_TM_ATTR_MAX, data, len, 4537bfcc09ddSBjoern A. Zeeb iwl_mvm_tm_policy, NULL); 4538bfcc09ddSBjoern A. Zeeb if (err) 4539bfcc09ddSBjoern A. Zeeb return err; 4540bfcc09ddSBjoern A. Zeeb 4541bfcc09ddSBjoern A. Zeeb if (!tb[IWL_MVM_TM_ATTR_CMD]) 4542bfcc09ddSBjoern A. Zeeb return -EINVAL; 4543bfcc09ddSBjoern A. Zeeb 4544bfcc09ddSBjoern A. Zeeb switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { 4545bfcc09ddSBjoern A. Zeeb case IWL_MVM_TM_CMD_SET_NOA: 4546bfcc09ddSBjoern A. Zeeb if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || 4547bfcc09ddSBjoern A. Zeeb !vif->bss_conf.enable_beacon || 4548bfcc09ddSBjoern A. Zeeb !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) 4549bfcc09ddSBjoern A. Zeeb return -EINVAL; 4550bfcc09ddSBjoern A. Zeeb 4551bfcc09ddSBjoern A. Zeeb noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); 4552bfcc09ddSBjoern A. Zeeb if (noa_duration >= vif->bss_conf.beacon_int) 4553bfcc09ddSBjoern A. Zeeb return -EINVAL; 4554bfcc09ddSBjoern A. Zeeb 4555bfcc09ddSBjoern A. Zeeb mvm->noa_duration = noa_duration; 4556bfcc09ddSBjoern A. Zeeb mvm->noa_vif = vif; 4557bfcc09ddSBjoern A. Zeeb 4558bfcc09ddSBjoern A. Zeeb return iwl_mvm_update_quotas(mvm, true, NULL); 4559bfcc09ddSBjoern A. Zeeb case IWL_MVM_TM_CMD_SET_BEACON_FILTER: 4560bfcc09ddSBjoern A. Zeeb /* must be associated client vif - ignore authorized */ 4561bfcc09ddSBjoern A. Zeeb if (!vif || vif->type != NL80211_IFTYPE_STATION || 4562bfcc09ddSBjoern A. Zeeb !vif->bss_conf.assoc || !vif->bss_conf.dtim_period || 4563bfcc09ddSBjoern A. Zeeb !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) 4564bfcc09ddSBjoern A. Zeeb return -EINVAL; 4565bfcc09ddSBjoern A. Zeeb 4566bfcc09ddSBjoern A. Zeeb if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) 4567bfcc09ddSBjoern A. Zeeb return iwl_mvm_enable_beacon_filter(mvm, vif, 0); 4568bfcc09ddSBjoern A. Zeeb return iwl_mvm_disable_beacon_filter(mvm, vif, 0); 4569bfcc09ddSBjoern A. Zeeb } 4570bfcc09ddSBjoern A. Zeeb 4571bfcc09ddSBjoern A. Zeeb return -EOPNOTSUPP; 4572bfcc09ddSBjoern A. Zeeb } 4573bfcc09ddSBjoern A. Zeeb 4574bfcc09ddSBjoern A. Zeeb static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, 4575bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 4576bfcc09ddSBjoern A. Zeeb void *data, int len) 4577bfcc09ddSBjoern A. Zeeb { 4578bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4579bfcc09ddSBjoern A. Zeeb int err; 4580bfcc09ddSBjoern A. Zeeb 4581bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 4582bfcc09ddSBjoern A. Zeeb err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); 4583bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 4584bfcc09ddSBjoern A. Zeeb 4585bfcc09ddSBjoern A. Zeeb return err; 4586bfcc09ddSBjoern A. Zeeb } 4587bfcc09ddSBjoern A. Zeeb #endif 4588bfcc09ddSBjoern A. Zeeb 4589bfcc09ddSBjoern A. Zeeb static void iwl_mvm_channel_switch(struct ieee80211_hw *hw, 4590bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 4591bfcc09ddSBjoern A. Zeeb struct ieee80211_channel_switch *chsw) 4592bfcc09ddSBjoern A. Zeeb { 4593bfcc09ddSBjoern A. Zeeb /* By implementing this operation, we prevent mac80211 from 4594bfcc09ddSBjoern A. Zeeb * starting its own channel switch timer, so that we can call 4595bfcc09ddSBjoern A. Zeeb * ieee80211_chswitch_done() ourselves at the right time 4596bfcc09ddSBjoern A. Zeeb * (which is when the absence time event starts). 4597bfcc09ddSBjoern A. Zeeb */ 4598bfcc09ddSBjoern A. Zeeb 4599bfcc09ddSBjoern A. Zeeb IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 4600bfcc09ddSBjoern A. Zeeb "dummy channel switch op\n"); 4601bfcc09ddSBjoern A. Zeeb } 4602bfcc09ddSBjoern A. Zeeb 4603bfcc09ddSBjoern A. Zeeb static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, 4604bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 4605bfcc09ddSBjoern A. Zeeb struct ieee80211_channel_switch *chsw) 4606bfcc09ddSBjoern A. Zeeb { 4607bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4608bfcc09ddSBjoern A. Zeeb struct iwl_chan_switch_te_cmd cmd = { 4609bfcc09ddSBjoern A. Zeeb .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 4610bfcc09ddSBjoern A. Zeeb mvmvif->color)), 4611bfcc09ddSBjoern A. Zeeb .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 4612bfcc09ddSBjoern A. Zeeb .tsf = cpu_to_le32(chsw->timestamp), 4613bfcc09ddSBjoern A. Zeeb .cs_count = chsw->count, 4614bfcc09ddSBjoern A. Zeeb .cs_mode = chsw->block_tx, 4615bfcc09ddSBjoern A. Zeeb }; 4616bfcc09ddSBjoern A. Zeeb 4617bfcc09ddSBjoern A. Zeeb lockdep_assert_held(&mvm->mutex); 4618bfcc09ddSBjoern A. Zeeb 4619bfcc09ddSBjoern A. Zeeb if (chsw->delay) 4620bfcc09ddSBjoern A. Zeeb cmd.cs_delayed_bcn_count = 4621bfcc09ddSBjoern A. Zeeb DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int); 4622bfcc09ddSBjoern A. Zeeb 4623bfcc09ddSBjoern A. Zeeb return iwl_mvm_send_cmd_pdu(mvm, 4624bfcc09ddSBjoern A. Zeeb WIDE_ID(MAC_CONF_GROUP, 4625bfcc09ddSBjoern A. Zeeb CHANNEL_SWITCH_TIME_EVENT_CMD), 4626bfcc09ddSBjoern A. Zeeb 0, sizeof(cmd), &cmd); 4627bfcc09ddSBjoern A. Zeeb } 4628bfcc09ddSBjoern A. Zeeb 4629bfcc09ddSBjoern A. Zeeb static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm, 4630bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 4631bfcc09ddSBjoern A. Zeeb struct ieee80211_channel_switch *chsw) 4632bfcc09ddSBjoern A. Zeeb { 4633bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4634bfcc09ddSBjoern A. Zeeb u32 apply_time; 4635bfcc09ddSBjoern A. Zeeb 4636bfcc09ddSBjoern A. Zeeb /* Schedule the time event to a bit before beacon 1, 4637bfcc09ddSBjoern A. Zeeb * to make sure we're in the new channel when the 4638bfcc09ddSBjoern A. Zeeb * GO/AP arrives. In case count <= 1 immediately schedule the 4639bfcc09ddSBjoern A. Zeeb * TE (this might result with some packet loss or connection 4640bfcc09ddSBjoern A. Zeeb * loss). 4641bfcc09ddSBjoern A. Zeeb */ 4642bfcc09ddSBjoern A. Zeeb if (chsw->count <= 1) 4643bfcc09ddSBjoern A. Zeeb apply_time = 0; 4644bfcc09ddSBjoern A. Zeeb else 4645bfcc09ddSBjoern A. Zeeb apply_time = chsw->device_timestamp + 4646bfcc09ddSBjoern A. Zeeb ((vif->bss_conf.beacon_int * (chsw->count - 1) - 4647bfcc09ddSBjoern A. Zeeb IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 4648bfcc09ddSBjoern A. Zeeb 4649bfcc09ddSBjoern A. Zeeb if (chsw->block_tx) 4650bfcc09ddSBjoern A. Zeeb iwl_mvm_csa_client_absent(mvm, vif); 4651bfcc09ddSBjoern A. Zeeb 4652bfcc09ddSBjoern A. Zeeb if (mvmvif->bf_data.bf_enabled) { 4653bfcc09ddSBjoern A. Zeeb int ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 4654bfcc09ddSBjoern A. Zeeb 4655bfcc09ddSBjoern A. Zeeb if (ret) 4656bfcc09ddSBjoern A. Zeeb return ret; 4657bfcc09ddSBjoern A. Zeeb } 4658bfcc09ddSBjoern A. Zeeb 4659bfcc09ddSBjoern A. Zeeb iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, 4660bfcc09ddSBjoern A. Zeeb apply_time); 4661bfcc09ddSBjoern A. Zeeb 4662bfcc09ddSBjoern A. Zeeb return 0; 4663bfcc09ddSBjoern A. Zeeb } 4664bfcc09ddSBjoern A. Zeeb 4665bfcc09ddSBjoern A. Zeeb #define IWL_MAX_CSA_BLOCK_TX 1500 4666bfcc09ddSBjoern A. Zeeb static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, 4667bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 4668bfcc09ddSBjoern A. Zeeb struct ieee80211_channel_switch *chsw) 4669bfcc09ddSBjoern A. Zeeb { 4670bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4671bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *csa_vif; 4672bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4673bfcc09ddSBjoern A. Zeeb int ret; 4674bfcc09ddSBjoern A. Zeeb 4675bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 4676bfcc09ddSBjoern A. Zeeb 4677bfcc09ddSBjoern A. Zeeb mvmvif->csa_failed = false; 4678bfcc09ddSBjoern A. Zeeb 4679bfcc09ddSBjoern A. Zeeb IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 4680bfcc09ddSBjoern A. Zeeb chsw->chandef.center_freq1); 4681bfcc09ddSBjoern A. Zeeb 4682bfcc09ddSBjoern A. Zeeb iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 4683bfcc09ddSBjoern A. Zeeb ieee80211_vif_to_wdev(vif), 4684bfcc09ddSBjoern A. Zeeb FW_DBG_TRIGGER_CHANNEL_SWITCH); 4685bfcc09ddSBjoern A. Zeeb 4686bfcc09ddSBjoern A. Zeeb switch (vif->type) { 4687bfcc09ddSBjoern A. Zeeb case NL80211_IFTYPE_AP: 4688bfcc09ddSBjoern A. Zeeb csa_vif = 4689bfcc09ddSBjoern A. Zeeb rcu_dereference_protected(mvm->csa_vif, 4690bfcc09ddSBjoern A. Zeeb lockdep_is_held(&mvm->mutex)); 4691bfcc09ddSBjoern A. Zeeb if (WARN_ONCE(csa_vif && csa_vif->csa_active, 4692bfcc09ddSBjoern A. Zeeb "Another CSA is already in progress")) { 4693bfcc09ddSBjoern A. Zeeb ret = -EBUSY; 4694bfcc09ddSBjoern A. Zeeb goto out_unlock; 4695bfcc09ddSBjoern A. Zeeb } 4696bfcc09ddSBjoern A. Zeeb 4697bfcc09ddSBjoern A. Zeeb /* we still didn't unblock tx. prevent new CS meanwhile */ 4698bfcc09ddSBjoern A. Zeeb if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 4699bfcc09ddSBjoern A. Zeeb lockdep_is_held(&mvm->mutex))) { 4700bfcc09ddSBjoern A. Zeeb ret = -EBUSY; 4701bfcc09ddSBjoern A. Zeeb goto out_unlock; 4702bfcc09ddSBjoern A. Zeeb } 4703bfcc09ddSBjoern A. Zeeb 4704bfcc09ddSBjoern A. Zeeb rcu_assign_pointer(mvm->csa_vif, vif); 4705bfcc09ddSBjoern A. Zeeb 4706bfcc09ddSBjoern A. Zeeb if (WARN_ONCE(mvmvif->csa_countdown, 4707bfcc09ddSBjoern A. Zeeb "Previous CSA countdown didn't complete")) { 4708bfcc09ddSBjoern A. Zeeb ret = -EBUSY; 4709bfcc09ddSBjoern A. Zeeb goto out_unlock; 4710bfcc09ddSBjoern A. Zeeb } 4711bfcc09ddSBjoern A. Zeeb 4712bfcc09ddSBjoern A. Zeeb mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 4713bfcc09ddSBjoern A. Zeeb 4714bfcc09ddSBjoern A. Zeeb break; 4715bfcc09ddSBjoern A. Zeeb case NL80211_IFTYPE_STATION: 4716bfcc09ddSBjoern A. Zeeb /* 4717bfcc09ddSBjoern A. Zeeb * We haven't configured the firmware to be associated yet since 4718bfcc09ddSBjoern A. Zeeb * we don't know the dtim period. In this case, the firmware can't 4719bfcc09ddSBjoern A. Zeeb * track the beacons. 4720bfcc09ddSBjoern A. Zeeb */ 4721bfcc09ddSBjoern A. Zeeb if (!vif->bss_conf.assoc || !vif->bss_conf.dtim_period) { 4722bfcc09ddSBjoern A. Zeeb ret = -EBUSY; 4723bfcc09ddSBjoern A. Zeeb goto out_unlock; 4724bfcc09ddSBjoern A. Zeeb } 4725bfcc09ddSBjoern A. Zeeb 4726bfcc09ddSBjoern A. Zeeb if (chsw->delay > IWL_MAX_CSA_BLOCK_TX) 4727bfcc09ddSBjoern A. Zeeb schedule_delayed_work(&mvmvif->csa_work, 0); 4728bfcc09ddSBjoern A. Zeeb 4729bfcc09ddSBjoern A. Zeeb if (chsw->block_tx) { 4730bfcc09ddSBjoern A. Zeeb /* 4731bfcc09ddSBjoern A. Zeeb * In case of undetermined / long time with immediate 4732bfcc09ddSBjoern A. Zeeb * quiet monitor status to gracefully disconnect 4733bfcc09ddSBjoern A. Zeeb */ 4734bfcc09ddSBjoern A. Zeeb if (!chsw->count || 4735bfcc09ddSBjoern A. Zeeb chsw->count * vif->bss_conf.beacon_int > 4736bfcc09ddSBjoern A. Zeeb IWL_MAX_CSA_BLOCK_TX) 4737bfcc09ddSBjoern A. Zeeb schedule_delayed_work(&mvmvif->csa_work, 4738bfcc09ddSBjoern A. Zeeb msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX)); 4739bfcc09ddSBjoern A. Zeeb } 4740bfcc09ddSBjoern A. Zeeb 4741bfcc09ddSBjoern A. Zeeb if (!fw_has_capa(&mvm->fw->ucode_capa, 4742bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 4743bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_old_pre_chan_sw_sta(mvm, vif, chsw); 4744bfcc09ddSBjoern A. Zeeb if (ret) 4745bfcc09ddSBjoern A. Zeeb goto out_unlock; 4746bfcc09ddSBjoern A. Zeeb } else { 4747bfcc09ddSBjoern A. Zeeb iwl_mvm_schedule_client_csa(mvm, vif, chsw); 4748bfcc09ddSBjoern A. Zeeb } 4749bfcc09ddSBjoern A. Zeeb 4750bfcc09ddSBjoern A. Zeeb mvmvif->csa_count = chsw->count; 4751bfcc09ddSBjoern A. Zeeb mvmvif->csa_misbehave = false; 4752bfcc09ddSBjoern A. Zeeb break; 4753bfcc09ddSBjoern A. Zeeb default: 4754bfcc09ddSBjoern A. Zeeb break; 4755bfcc09ddSBjoern A. Zeeb } 4756bfcc09ddSBjoern A. Zeeb 4757bfcc09ddSBjoern A. Zeeb mvmvif->ps_disabled = true; 4758bfcc09ddSBjoern A. Zeeb 4759bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_power_update_ps(mvm); 4760bfcc09ddSBjoern A. Zeeb if (ret) 4761bfcc09ddSBjoern A. Zeeb goto out_unlock; 4762bfcc09ddSBjoern A. Zeeb 4763bfcc09ddSBjoern A. Zeeb /* we won't be on this channel any longer */ 4764bfcc09ddSBjoern A. Zeeb iwl_mvm_teardown_tdls_peers(mvm); 4765bfcc09ddSBjoern A. Zeeb 4766bfcc09ddSBjoern A. Zeeb out_unlock: 4767bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 4768bfcc09ddSBjoern A. Zeeb 4769bfcc09ddSBjoern A. Zeeb return ret; 4770bfcc09ddSBjoern A. Zeeb } 4771bfcc09ddSBjoern A. Zeeb 4772bfcc09ddSBjoern A. Zeeb static void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw, 4773bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 4774bfcc09ddSBjoern A. Zeeb struct ieee80211_channel_switch *chsw) 4775bfcc09ddSBjoern A. Zeeb { 4776bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4777bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4778bfcc09ddSBjoern A. Zeeb struct iwl_chan_switch_te_cmd cmd = { 4779bfcc09ddSBjoern A. Zeeb .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 4780bfcc09ddSBjoern A. Zeeb mvmvif->color)), 4781bfcc09ddSBjoern A. Zeeb .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY), 4782bfcc09ddSBjoern A. Zeeb .tsf = cpu_to_le32(chsw->timestamp), 4783bfcc09ddSBjoern A. Zeeb .cs_count = chsw->count, 4784bfcc09ddSBjoern A. Zeeb .cs_mode = chsw->block_tx, 4785bfcc09ddSBjoern A. Zeeb }; 4786bfcc09ddSBjoern A. Zeeb 4787bfcc09ddSBjoern A. Zeeb if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY)) 4788bfcc09ddSBjoern A. Zeeb return; 4789bfcc09ddSBjoern A. Zeeb 4790bfcc09ddSBjoern A. Zeeb IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d count = %d (old %d) mode = %d\n", 4791bfcc09ddSBjoern A. Zeeb mvmvif->id, chsw->count, mvmvif->csa_count, chsw->block_tx); 4792bfcc09ddSBjoern A. Zeeb 4793bfcc09ddSBjoern A. Zeeb if (chsw->count >= mvmvif->csa_count && chsw->block_tx) { 4794bfcc09ddSBjoern A. Zeeb if (mvmvif->csa_misbehave) { 4795bfcc09ddSBjoern A. Zeeb /* Second time, give up on this AP*/ 4796bfcc09ddSBjoern A. Zeeb iwl_mvm_abort_channel_switch(hw, vif); 4797bfcc09ddSBjoern A. Zeeb ieee80211_chswitch_done(vif, false); 4798bfcc09ddSBjoern A. Zeeb mvmvif->csa_misbehave = false; 4799bfcc09ddSBjoern A. Zeeb return; 4800bfcc09ddSBjoern A. Zeeb } 4801bfcc09ddSBjoern A. Zeeb mvmvif->csa_misbehave = true; 4802bfcc09ddSBjoern A. Zeeb } 4803bfcc09ddSBjoern A. Zeeb mvmvif->csa_count = chsw->count; 4804bfcc09ddSBjoern A. Zeeb 4805bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 4806bfcc09ddSBjoern A. Zeeb if (mvmvif->csa_failed) 4807bfcc09ddSBjoern A. Zeeb goto out_unlock; 4808bfcc09ddSBjoern A. Zeeb 4809bfcc09ddSBjoern A. Zeeb WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 4810bfcc09ddSBjoern A. Zeeb WIDE_ID(MAC_CONF_GROUP, 4811bfcc09ddSBjoern A. Zeeb CHANNEL_SWITCH_TIME_EVENT_CMD), 4812bfcc09ddSBjoern A. Zeeb 0, sizeof(cmd), &cmd)); 4813bfcc09ddSBjoern A. Zeeb out_unlock: 4814bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 4815bfcc09ddSBjoern A. Zeeb } 4816bfcc09ddSBjoern A. Zeeb 4817bfcc09ddSBjoern A. Zeeb static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) 4818bfcc09ddSBjoern A. Zeeb { 4819bfcc09ddSBjoern A. Zeeb int i; 4820bfcc09ddSBjoern A. Zeeb 4821bfcc09ddSBjoern A. Zeeb if (!iwl_mvm_has_new_tx_api(mvm)) { 4822bfcc09ddSBjoern A. Zeeb if (drop) { 4823bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 4824bfcc09ddSBjoern A. Zeeb iwl_mvm_flush_tx_path(mvm, 4825bfcc09ddSBjoern A. Zeeb iwl_mvm_flushable_queues(mvm) & queues); 4826bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 4827bfcc09ddSBjoern A. Zeeb } else { 4828bfcc09ddSBjoern A. Zeeb iwl_trans_wait_tx_queues_empty(mvm->trans, queues); 4829bfcc09ddSBjoern A. Zeeb } 4830bfcc09ddSBjoern A. Zeeb return; 4831bfcc09ddSBjoern A. Zeeb } 4832bfcc09ddSBjoern A. Zeeb 4833bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 4834bfcc09ddSBjoern A. Zeeb for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 4835bfcc09ddSBjoern A. Zeeb struct ieee80211_sta *sta; 4836bfcc09ddSBjoern A. Zeeb 4837bfcc09ddSBjoern A. Zeeb sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 4838bfcc09ddSBjoern A. Zeeb lockdep_is_held(&mvm->mutex)); 4839bfcc09ddSBjoern A. Zeeb if (IS_ERR_OR_NULL(sta)) 4840bfcc09ddSBjoern A. Zeeb continue; 4841bfcc09ddSBjoern A. Zeeb 4842bfcc09ddSBjoern A. Zeeb if (drop) 4843bfcc09ddSBjoern A. Zeeb iwl_mvm_flush_sta_tids(mvm, i, 0xFFFF); 4844bfcc09ddSBjoern A. Zeeb else 4845bfcc09ddSBjoern A. Zeeb iwl_mvm_wait_sta_queues_empty(mvm, 4846bfcc09ddSBjoern A. Zeeb iwl_mvm_sta_from_mac80211(sta)); 4847bfcc09ddSBjoern A. Zeeb } 4848bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 4849bfcc09ddSBjoern A. Zeeb } 4850bfcc09ddSBjoern A. Zeeb 4851bfcc09ddSBjoern A. Zeeb static void iwl_mvm_mac_flush(struct ieee80211_hw *hw, 4852bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, u32 queues, bool drop) 4853bfcc09ddSBjoern A. Zeeb { 4854bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4855bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif; 4856bfcc09ddSBjoern A. Zeeb struct iwl_mvm_sta *mvmsta; 4857bfcc09ddSBjoern A. Zeeb struct ieee80211_sta *sta; 4858bfcc09ddSBjoern A. Zeeb int i; 4859bfcc09ddSBjoern A. Zeeb u32 msk = 0; 4860bfcc09ddSBjoern A. Zeeb 4861bfcc09ddSBjoern A. Zeeb if (!vif) { 4862bfcc09ddSBjoern A. Zeeb iwl_mvm_flush_no_vif(mvm, queues, drop); 4863bfcc09ddSBjoern A. Zeeb return; 4864bfcc09ddSBjoern A. Zeeb } 4865bfcc09ddSBjoern A. Zeeb 4866bfcc09ddSBjoern A. Zeeb if (vif->type != NL80211_IFTYPE_STATION) 4867bfcc09ddSBjoern A. Zeeb return; 4868bfcc09ddSBjoern A. Zeeb 4869bfcc09ddSBjoern A. Zeeb /* Make sure we're done with the deferred traffic before flushing */ 4870bfcc09ddSBjoern A. Zeeb flush_work(&mvm->add_stream_wk); 4871bfcc09ddSBjoern A. Zeeb 4872bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 4873bfcc09ddSBjoern A. Zeeb mvmvif = iwl_mvm_vif_from_mac80211(vif); 4874bfcc09ddSBjoern A. Zeeb 4875bfcc09ddSBjoern A. Zeeb /* flush the AP-station and all TDLS peers */ 4876bfcc09ddSBjoern A. Zeeb for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 4877bfcc09ddSBjoern A. Zeeb sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 4878bfcc09ddSBjoern A. Zeeb lockdep_is_held(&mvm->mutex)); 4879bfcc09ddSBjoern A. Zeeb if (IS_ERR_OR_NULL(sta)) 4880bfcc09ddSBjoern A. Zeeb continue; 4881bfcc09ddSBjoern A. Zeeb 4882bfcc09ddSBjoern A. Zeeb mvmsta = iwl_mvm_sta_from_mac80211(sta); 4883bfcc09ddSBjoern A. Zeeb if (mvmsta->vif != vif) 4884bfcc09ddSBjoern A. Zeeb continue; 4885bfcc09ddSBjoern A. Zeeb 4886bfcc09ddSBjoern A. Zeeb /* make sure only TDLS peers or the AP are flushed */ 4887bfcc09ddSBjoern A. Zeeb WARN_ON(i != mvmvif->ap_sta_id && !sta->tdls); 4888bfcc09ddSBjoern A. Zeeb 4889bfcc09ddSBjoern A. Zeeb if (drop) { 4890bfcc09ddSBjoern A. Zeeb if (iwl_mvm_flush_sta(mvm, mvmsta, false)) 4891bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "flush request fail\n"); 4892bfcc09ddSBjoern A. Zeeb } else { 4893bfcc09ddSBjoern A. Zeeb msk |= mvmsta->tfd_queue_msk; 4894bfcc09ddSBjoern A. Zeeb if (iwl_mvm_has_new_tx_api(mvm)) 4895bfcc09ddSBjoern A. Zeeb iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 4896bfcc09ddSBjoern A. Zeeb } 4897bfcc09ddSBjoern A. Zeeb } 4898bfcc09ddSBjoern A. Zeeb 4899bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 4900bfcc09ddSBjoern A. Zeeb 4901bfcc09ddSBjoern A. Zeeb /* this can take a while, and we may need/want other operations 4902bfcc09ddSBjoern A. Zeeb * to succeed while doing this, so do it without the mutex held 4903bfcc09ddSBjoern A. Zeeb */ 4904bfcc09ddSBjoern A. Zeeb if (!drop && !iwl_mvm_has_new_tx_api(mvm)) 4905bfcc09ddSBjoern A. Zeeb iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 4906bfcc09ddSBjoern A. Zeeb } 4907bfcc09ddSBjoern A. Zeeb 4908bfcc09ddSBjoern A. Zeeb static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 4909bfcc09ddSBjoern A. Zeeb struct survey_info *survey) 4910bfcc09ddSBjoern A. Zeeb { 4911bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4912bfcc09ddSBjoern A. Zeeb int ret; 4913bfcc09ddSBjoern A. Zeeb 4914bfcc09ddSBjoern A. Zeeb memset(survey, 0, sizeof(*survey)); 4915bfcc09ddSBjoern A. Zeeb 4916bfcc09ddSBjoern A. Zeeb /* only support global statistics right now */ 4917bfcc09ddSBjoern A. Zeeb if (idx != 0) 4918bfcc09ddSBjoern A. Zeeb return -ENOENT; 4919bfcc09ddSBjoern A. Zeeb 4920bfcc09ddSBjoern A. Zeeb if (!fw_has_capa(&mvm->fw->ucode_capa, 4921bfcc09ddSBjoern A. Zeeb IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 4922bfcc09ddSBjoern A. Zeeb return -ENOENT; 4923bfcc09ddSBjoern A. Zeeb 4924bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 4925bfcc09ddSBjoern A. Zeeb 4926bfcc09ddSBjoern A. Zeeb if (iwl_mvm_firmware_running(mvm)) { 4927bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_request_statistics(mvm, false); 4928bfcc09ddSBjoern A. Zeeb if (ret) 4929bfcc09ddSBjoern A. Zeeb goto out; 4930bfcc09ddSBjoern A. Zeeb } 4931bfcc09ddSBjoern A. Zeeb 4932bfcc09ddSBjoern A. Zeeb survey->filled = SURVEY_INFO_TIME | 4933bfcc09ddSBjoern A. Zeeb SURVEY_INFO_TIME_RX | 4934bfcc09ddSBjoern A. Zeeb SURVEY_INFO_TIME_TX | 4935bfcc09ddSBjoern A. Zeeb SURVEY_INFO_TIME_SCAN; 4936bfcc09ddSBjoern A. Zeeb survey->time = mvm->accu_radio_stats.on_time_rf + 4937bfcc09ddSBjoern A. Zeeb mvm->radio_stats.on_time_rf; 4938bfcc09ddSBjoern A. Zeeb do_div(survey->time, USEC_PER_MSEC); 4939bfcc09ddSBjoern A. Zeeb 4940bfcc09ddSBjoern A. Zeeb survey->time_rx = mvm->accu_radio_stats.rx_time + 4941bfcc09ddSBjoern A. Zeeb mvm->radio_stats.rx_time; 4942bfcc09ddSBjoern A. Zeeb do_div(survey->time_rx, USEC_PER_MSEC); 4943bfcc09ddSBjoern A. Zeeb 4944bfcc09ddSBjoern A. Zeeb survey->time_tx = mvm->accu_radio_stats.tx_time + 4945bfcc09ddSBjoern A. Zeeb mvm->radio_stats.tx_time; 4946bfcc09ddSBjoern A. Zeeb do_div(survey->time_tx, USEC_PER_MSEC); 4947bfcc09ddSBjoern A. Zeeb 4948bfcc09ddSBjoern A. Zeeb survey->time_scan = mvm->accu_radio_stats.on_time_scan + 4949bfcc09ddSBjoern A. Zeeb mvm->radio_stats.on_time_scan; 4950bfcc09ddSBjoern A. Zeeb do_div(survey->time_scan, USEC_PER_MSEC); 4951bfcc09ddSBjoern A. Zeeb 4952bfcc09ddSBjoern A. Zeeb ret = 0; 4953bfcc09ddSBjoern A. Zeeb out: 4954bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 4955bfcc09ddSBjoern A. Zeeb return ret; 4956bfcc09ddSBjoern A. Zeeb } 4957bfcc09ddSBjoern A. Zeeb 4958bfcc09ddSBjoern A. Zeeb static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo) 4959bfcc09ddSBjoern A. Zeeb { 4960bfcc09ddSBjoern A. Zeeb u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK; 4961bfcc09ddSBjoern A. Zeeb 4962bfcc09ddSBjoern A. Zeeb switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { 4963bfcc09ddSBjoern A. Zeeb case RATE_MCS_CHAN_WIDTH_20: 4964bfcc09ddSBjoern A. Zeeb rinfo->bw = RATE_INFO_BW_20; 4965bfcc09ddSBjoern A. Zeeb break; 4966bfcc09ddSBjoern A. Zeeb case RATE_MCS_CHAN_WIDTH_40: 4967bfcc09ddSBjoern A. Zeeb rinfo->bw = RATE_INFO_BW_40; 4968bfcc09ddSBjoern A. Zeeb break; 4969bfcc09ddSBjoern A. Zeeb case RATE_MCS_CHAN_WIDTH_80: 4970bfcc09ddSBjoern A. Zeeb rinfo->bw = RATE_INFO_BW_80; 4971bfcc09ddSBjoern A. Zeeb break; 4972bfcc09ddSBjoern A. Zeeb case RATE_MCS_CHAN_WIDTH_160: 4973bfcc09ddSBjoern A. Zeeb rinfo->bw = RATE_INFO_BW_160; 4974bfcc09ddSBjoern A. Zeeb break; 4975bfcc09ddSBjoern A. Zeeb } 4976bfcc09ddSBjoern A. Zeeb 4977bfcc09ddSBjoern A. Zeeb if (format == RATE_MCS_CCK_MSK || 4978bfcc09ddSBjoern A. Zeeb format == RATE_MCS_LEGACY_OFDM_MSK) { 4979bfcc09ddSBjoern A. Zeeb int rate = u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK); 4980bfcc09ddSBjoern A. Zeeb 4981bfcc09ddSBjoern A. Zeeb /* add the offset needed to get to the legacy ofdm indices */ 4982bfcc09ddSBjoern A. Zeeb if (format == RATE_MCS_LEGACY_OFDM_MSK) 4983bfcc09ddSBjoern A. Zeeb rate += IWL_FIRST_OFDM_RATE; 4984bfcc09ddSBjoern A. Zeeb 4985bfcc09ddSBjoern A. Zeeb switch (rate) { 4986bfcc09ddSBjoern A. Zeeb case IWL_RATE_1M_INDEX: 4987bfcc09ddSBjoern A. Zeeb rinfo->legacy = 10; 4988bfcc09ddSBjoern A. Zeeb break; 4989bfcc09ddSBjoern A. Zeeb case IWL_RATE_2M_INDEX: 4990bfcc09ddSBjoern A. Zeeb rinfo->legacy = 20; 4991bfcc09ddSBjoern A. Zeeb break; 4992bfcc09ddSBjoern A. Zeeb case IWL_RATE_5M_INDEX: 4993bfcc09ddSBjoern A. Zeeb rinfo->legacy = 55; 4994bfcc09ddSBjoern A. Zeeb break; 4995bfcc09ddSBjoern A. Zeeb case IWL_RATE_11M_INDEX: 4996bfcc09ddSBjoern A. Zeeb rinfo->legacy = 110; 4997bfcc09ddSBjoern A. Zeeb break; 4998bfcc09ddSBjoern A. Zeeb case IWL_RATE_6M_INDEX: 4999bfcc09ddSBjoern A. Zeeb rinfo->legacy = 60; 5000bfcc09ddSBjoern A. Zeeb break; 5001bfcc09ddSBjoern A. Zeeb case IWL_RATE_9M_INDEX: 5002bfcc09ddSBjoern A. Zeeb rinfo->legacy = 90; 5003bfcc09ddSBjoern A. Zeeb break; 5004bfcc09ddSBjoern A. Zeeb case IWL_RATE_12M_INDEX: 5005bfcc09ddSBjoern A. Zeeb rinfo->legacy = 120; 5006bfcc09ddSBjoern A. Zeeb break; 5007bfcc09ddSBjoern A. Zeeb case IWL_RATE_18M_INDEX: 5008bfcc09ddSBjoern A. Zeeb rinfo->legacy = 180; 5009bfcc09ddSBjoern A. Zeeb break; 5010bfcc09ddSBjoern A. Zeeb case IWL_RATE_24M_INDEX: 5011bfcc09ddSBjoern A. Zeeb rinfo->legacy = 240; 5012bfcc09ddSBjoern A. Zeeb break; 5013bfcc09ddSBjoern A. Zeeb case IWL_RATE_36M_INDEX: 5014bfcc09ddSBjoern A. Zeeb rinfo->legacy = 360; 5015bfcc09ddSBjoern A. Zeeb break; 5016bfcc09ddSBjoern A. Zeeb case IWL_RATE_48M_INDEX: 5017bfcc09ddSBjoern A. Zeeb rinfo->legacy = 480; 5018bfcc09ddSBjoern A. Zeeb break; 5019bfcc09ddSBjoern A. Zeeb case IWL_RATE_54M_INDEX: 5020bfcc09ddSBjoern A. Zeeb rinfo->legacy = 540; 5021bfcc09ddSBjoern A. Zeeb } 5022bfcc09ddSBjoern A. Zeeb return; 5023bfcc09ddSBjoern A. Zeeb } 5024bfcc09ddSBjoern A. Zeeb 5025bfcc09ddSBjoern A. Zeeb rinfo->nss = u32_get_bits(rate_n_flags, 5026bfcc09ddSBjoern A. Zeeb RATE_MCS_NSS_MSK) + 1; 5027bfcc09ddSBjoern A. Zeeb rinfo->mcs = format == RATE_MCS_HT_MSK ? 5028bfcc09ddSBjoern A. Zeeb RATE_HT_MCS_INDEX(rate_n_flags) : 5029bfcc09ddSBjoern A. Zeeb u32_get_bits(rate_n_flags, RATE_MCS_CODE_MSK); 5030bfcc09ddSBjoern A. Zeeb 5031bfcc09ddSBjoern A. Zeeb if (format == RATE_MCS_HE_MSK) { 5032bfcc09ddSBjoern A. Zeeb u32 gi_ltf = u32_get_bits(rate_n_flags, 5033bfcc09ddSBjoern A. Zeeb RATE_MCS_HE_GI_LTF_MSK); 5034bfcc09ddSBjoern A. Zeeb 5035bfcc09ddSBjoern A. Zeeb rinfo->flags |= RATE_INFO_FLAGS_HE_MCS; 5036bfcc09ddSBjoern A. Zeeb 5037bfcc09ddSBjoern A. Zeeb if (rate_n_flags & RATE_MCS_HE_106T_MSK) { 5038bfcc09ddSBjoern A. Zeeb rinfo->bw = RATE_INFO_BW_HE_RU; 5039bfcc09ddSBjoern A. Zeeb rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106; 5040bfcc09ddSBjoern A. Zeeb } 5041bfcc09ddSBjoern A. Zeeb 5042bfcc09ddSBjoern A. Zeeb switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) { 5043bfcc09ddSBjoern A. Zeeb case RATE_MCS_HE_TYPE_SU: 5044bfcc09ddSBjoern A. Zeeb case RATE_MCS_HE_TYPE_EXT_SU: 5045bfcc09ddSBjoern A. Zeeb if (gi_ltf == 0 || gi_ltf == 1) 5046bfcc09ddSBjoern A. Zeeb rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 5047bfcc09ddSBjoern A. Zeeb else if (gi_ltf == 2) 5048bfcc09ddSBjoern A. Zeeb rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 5049bfcc09ddSBjoern A. Zeeb else if (gi_ltf == 3) 5050bfcc09ddSBjoern A. Zeeb rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 5051bfcc09ddSBjoern A. Zeeb else 5052bfcc09ddSBjoern A. Zeeb rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 5053bfcc09ddSBjoern A. Zeeb break; 5054bfcc09ddSBjoern A. Zeeb case RATE_MCS_HE_TYPE_MU: 5055bfcc09ddSBjoern A. Zeeb if (gi_ltf == 0 || gi_ltf == 1) 5056bfcc09ddSBjoern A. Zeeb rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 5057bfcc09ddSBjoern A. Zeeb else if (gi_ltf == 2) 5058bfcc09ddSBjoern A. Zeeb rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 5059bfcc09ddSBjoern A. Zeeb else 5060bfcc09ddSBjoern A. Zeeb rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 5061bfcc09ddSBjoern A. Zeeb break; 5062bfcc09ddSBjoern A. Zeeb case RATE_MCS_HE_TYPE_TRIG: 5063bfcc09ddSBjoern A. Zeeb if (gi_ltf == 0 || gi_ltf == 1) 5064bfcc09ddSBjoern A. Zeeb rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 5065bfcc09ddSBjoern A. Zeeb else 5066bfcc09ddSBjoern A. Zeeb rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 5067bfcc09ddSBjoern A. Zeeb break; 5068bfcc09ddSBjoern A. Zeeb } 5069bfcc09ddSBjoern A. Zeeb 5070bfcc09ddSBjoern A. Zeeb if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK) 5071bfcc09ddSBjoern A. Zeeb rinfo->he_dcm = 1; 5072bfcc09ddSBjoern A. Zeeb return; 5073bfcc09ddSBjoern A. Zeeb } 5074bfcc09ddSBjoern A. Zeeb 5075bfcc09ddSBjoern A. Zeeb if (rate_n_flags & RATE_MCS_SGI_MSK) 5076bfcc09ddSBjoern A. Zeeb rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 5077bfcc09ddSBjoern A. Zeeb 5078bfcc09ddSBjoern A. Zeeb if (format == RATE_MCS_HT_MSK) { 5079bfcc09ddSBjoern A. Zeeb rinfo->flags |= RATE_INFO_FLAGS_MCS; 5080bfcc09ddSBjoern A. Zeeb 5081bfcc09ddSBjoern A. Zeeb } else if (format == RATE_MCS_VHT_MSK) { 5082bfcc09ddSBjoern A. Zeeb rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 5083bfcc09ddSBjoern A. Zeeb } 5084bfcc09ddSBjoern A. Zeeb 5085bfcc09ddSBjoern A. Zeeb } 5086bfcc09ddSBjoern A. Zeeb 5087bfcc09ddSBjoern A. Zeeb static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 5088bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 5089bfcc09ddSBjoern A. Zeeb struct ieee80211_sta *sta, 5090bfcc09ddSBjoern A. Zeeb struct station_info *sinfo) 5091bfcc09ddSBjoern A. Zeeb { 5092bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5093bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5094bfcc09ddSBjoern A. Zeeb struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 5095bfcc09ddSBjoern A. Zeeb 5096bfcc09ddSBjoern A. Zeeb if (mvmsta->avg_energy) { 5097bfcc09ddSBjoern A. Zeeb sinfo->signal_avg = -(s8)mvmsta->avg_energy; 5098bfcc09ddSBjoern A. Zeeb sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 5099bfcc09ddSBjoern A. Zeeb } 5100bfcc09ddSBjoern A. Zeeb 5101bfcc09ddSBjoern A. Zeeb if (iwl_mvm_has_tlc_offload(mvm)) { 5102bfcc09ddSBjoern A. Zeeb struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw; 5103bfcc09ddSBjoern A. Zeeb 5104bfcc09ddSBjoern A. Zeeb iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate); 5105bfcc09ddSBjoern A. Zeeb sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 5106bfcc09ddSBjoern A. Zeeb } 5107bfcc09ddSBjoern A. Zeeb 5108bfcc09ddSBjoern A. Zeeb /* if beacon filtering isn't on mac80211 does it anyway */ 5109bfcc09ddSBjoern A. Zeeb if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 5110bfcc09ddSBjoern A. Zeeb return; 5111bfcc09ddSBjoern A. Zeeb 5112bfcc09ddSBjoern A. Zeeb if (!vif->bss_conf.assoc) 5113bfcc09ddSBjoern A. Zeeb return; 5114bfcc09ddSBjoern A. Zeeb 5115bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 5116bfcc09ddSBjoern A. Zeeb 5117bfcc09ddSBjoern A. Zeeb if (mvmvif->ap_sta_id != mvmsta->sta_id) 5118bfcc09ddSBjoern A. Zeeb goto unlock; 5119bfcc09ddSBjoern A. Zeeb 5120bfcc09ddSBjoern A. Zeeb if (iwl_mvm_request_statistics(mvm, false)) 5121bfcc09ddSBjoern A. Zeeb goto unlock; 5122bfcc09ddSBjoern A. Zeeb 5123bfcc09ddSBjoern A. Zeeb sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons + 5124bfcc09ddSBjoern A. Zeeb mvmvif->beacon_stats.accu_num_beacons; 5125bfcc09ddSBjoern A. Zeeb sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); 5126bfcc09ddSBjoern A. Zeeb if (mvmvif->beacon_stats.avg_signal) { 5127bfcc09ddSBjoern A. Zeeb /* firmware only reports a value after RXing a few beacons */ 5128bfcc09ddSBjoern A. Zeeb sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal; 5129bfcc09ddSBjoern A. Zeeb sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 5130bfcc09ddSBjoern A. Zeeb } 5131bfcc09ddSBjoern A. Zeeb unlock: 5132bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 5133bfcc09ddSBjoern A. Zeeb } 5134bfcc09ddSBjoern A. Zeeb 5135bfcc09ddSBjoern A. Zeeb static void iwl_mvm_event_mlme_callback_ini(struct iwl_mvm *mvm, 5136bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 5137bfcc09ddSBjoern A. Zeeb const struct ieee80211_mlme_event *mlme) 5138bfcc09ddSBjoern A. Zeeb { 5139bfcc09ddSBjoern A. Zeeb if ((mlme->data == ASSOC_EVENT || mlme->data == AUTH_EVENT) && 5140bfcc09ddSBjoern A. Zeeb (mlme->status == MLME_DENIED || mlme->status == MLME_TIMEOUT)) { 5141bfcc09ddSBjoern A. Zeeb iwl_dbg_tlv_time_point(&mvm->fwrt, 5142bfcc09ddSBjoern A. Zeeb IWL_FW_INI_TIME_POINT_ASSOC_FAILED, 5143bfcc09ddSBjoern A. Zeeb NULL); 5144bfcc09ddSBjoern A. Zeeb return; 5145bfcc09ddSBjoern A. Zeeb } 5146bfcc09ddSBjoern A. Zeeb 5147bfcc09ddSBjoern A. Zeeb if (mlme->data == DEAUTH_RX_EVENT || mlme->data == DEAUTH_TX_EVENT) { 5148bfcc09ddSBjoern A. Zeeb iwl_dbg_tlv_time_point(&mvm->fwrt, 5149bfcc09ddSBjoern A. Zeeb IWL_FW_INI_TIME_POINT_DEASSOC, 5150bfcc09ddSBjoern A. Zeeb NULL); 5151bfcc09ddSBjoern A. Zeeb return; 5152bfcc09ddSBjoern A. Zeeb } 5153bfcc09ddSBjoern A. Zeeb } 5154bfcc09ddSBjoern A. Zeeb 5155bfcc09ddSBjoern A. Zeeb static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 5156bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 5157bfcc09ddSBjoern A. Zeeb const struct ieee80211_event *event) 5158bfcc09ddSBjoern A. Zeeb { 5159bfcc09ddSBjoern A. Zeeb #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 5160bfcc09ddSBjoern A. Zeeb do { \ 5161bfcc09ddSBjoern A. Zeeb if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 5162bfcc09ddSBjoern A. Zeeb break; \ 5163bfcc09ddSBjoern A. Zeeb iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 5164bfcc09ddSBjoern A. Zeeb } while (0) 5165bfcc09ddSBjoern A. Zeeb 5166bfcc09ddSBjoern A. Zeeb struct iwl_fw_dbg_trigger_tlv *trig; 5167bfcc09ddSBjoern A. Zeeb struct iwl_fw_dbg_trigger_mlme *trig_mlme; 5168bfcc09ddSBjoern A. Zeeb 5169bfcc09ddSBjoern A. Zeeb if (iwl_trans_dbg_ini_valid(mvm->trans)) { 5170bfcc09ddSBjoern A. Zeeb iwl_mvm_event_mlme_callback_ini(mvm, vif, &event->u.mlme); 5171bfcc09ddSBjoern A. Zeeb return; 5172bfcc09ddSBjoern A. Zeeb } 5173bfcc09ddSBjoern A. Zeeb 5174bfcc09ddSBjoern A. Zeeb trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 5175bfcc09ddSBjoern A. Zeeb FW_DBG_TRIGGER_MLME); 5176bfcc09ddSBjoern A. Zeeb if (!trig) 5177bfcc09ddSBjoern A. Zeeb return; 5178bfcc09ddSBjoern A. Zeeb 5179bfcc09ddSBjoern A. Zeeb trig_mlme = (void *)trig->data; 5180bfcc09ddSBjoern A. Zeeb 5181bfcc09ddSBjoern A. Zeeb if (event->u.mlme.data == ASSOC_EVENT) { 5182bfcc09ddSBjoern A. Zeeb if (event->u.mlme.status == MLME_DENIED) 5183bfcc09ddSBjoern A. Zeeb CHECK_MLME_TRIGGER(stop_assoc_denied, 5184bfcc09ddSBjoern A. Zeeb "DENIED ASSOC: reason %d", 5185bfcc09ddSBjoern A. Zeeb event->u.mlme.reason); 5186bfcc09ddSBjoern A. Zeeb else if (event->u.mlme.status == MLME_TIMEOUT) 5187bfcc09ddSBjoern A. Zeeb CHECK_MLME_TRIGGER(stop_assoc_timeout, 5188bfcc09ddSBjoern A. Zeeb "ASSOC TIMEOUT"); 5189bfcc09ddSBjoern A. Zeeb } else if (event->u.mlme.data == AUTH_EVENT) { 5190bfcc09ddSBjoern A. Zeeb if (event->u.mlme.status == MLME_DENIED) 5191bfcc09ddSBjoern A. Zeeb CHECK_MLME_TRIGGER(stop_auth_denied, 5192bfcc09ddSBjoern A. Zeeb "DENIED AUTH: reason %d", 5193bfcc09ddSBjoern A. Zeeb event->u.mlme.reason); 5194bfcc09ddSBjoern A. Zeeb else if (event->u.mlme.status == MLME_TIMEOUT) 5195bfcc09ddSBjoern A. Zeeb CHECK_MLME_TRIGGER(stop_auth_timeout, 5196bfcc09ddSBjoern A. Zeeb "AUTH TIMEOUT"); 5197bfcc09ddSBjoern A. Zeeb } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 5198bfcc09ddSBjoern A. Zeeb CHECK_MLME_TRIGGER(stop_rx_deauth, 5199bfcc09ddSBjoern A. Zeeb "DEAUTH RX %d", event->u.mlme.reason); 5200bfcc09ddSBjoern A. Zeeb } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 5201bfcc09ddSBjoern A. Zeeb CHECK_MLME_TRIGGER(stop_tx_deauth, 5202bfcc09ddSBjoern A. Zeeb "DEAUTH TX %d", event->u.mlme.reason); 5203bfcc09ddSBjoern A. Zeeb } 5204bfcc09ddSBjoern A. Zeeb #undef CHECK_MLME_TRIGGER 5205bfcc09ddSBjoern A. Zeeb } 5206bfcc09ddSBjoern A. Zeeb 5207bfcc09ddSBjoern A. Zeeb static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 5208bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 5209bfcc09ddSBjoern A. Zeeb const struct ieee80211_event *event) 5210bfcc09ddSBjoern A. Zeeb { 5211bfcc09ddSBjoern A. Zeeb struct iwl_fw_dbg_trigger_tlv *trig; 5212bfcc09ddSBjoern A. Zeeb struct iwl_fw_dbg_trigger_ba *ba_trig; 5213bfcc09ddSBjoern A. Zeeb 5214bfcc09ddSBjoern A. Zeeb trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 5215bfcc09ddSBjoern A. Zeeb FW_DBG_TRIGGER_BA); 5216bfcc09ddSBjoern A. Zeeb if (!trig) 5217bfcc09ddSBjoern A. Zeeb return; 5218bfcc09ddSBjoern A. Zeeb 5219bfcc09ddSBjoern A. Zeeb ba_trig = (void *)trig->data; 5220bfcc09ddSBjoern A. Zeeb 5221bfcc09ddSBjoern A. Zeeb if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 5222bfcc09ddSBjoern A. Zeeb return; 5223bfcc09ddSBjoern A. Zeeb 5224bfcc09ddSBjoern A. Zeeb iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 5225bfcc09ddSBjoern A. Zeeb "BAR received from %pM, tid %d, ssn %d", 5226bfcc09ddSBjoern A. Zeeb event->u.ba.sta->addr, event->u.ba.tid, 5227bfcc09ddSBjoern A. Zeeb event->u.ba.ssn); 5228bfcc09ddSBjoern A. Zeeb } 5229bfcc09ddSBjoern A. Zeeb 5230bfcc09ddSBjoern A. Zeeb static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 5231bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 5232bfcc09ddSBjoern A. Zeeb const struct ieee80211_event *event) 5233bfcc09ddSBjoern A. Zeeb { 5234bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5235bfcc09ddSBjoern A. Zeeb 5236bfcc09ddSBjoern A. Zeeb switch (event->type) { 5237bfcc09ddSBjoern A. Zeeb case MLME_EVENT: 5238bfcc09ddSBjoern A. Zeeb iwl_mvm_event_mlme_callback(mvm, vif, event); 5239bfcc09ddSBjoern A. Zeeb break; 5240bfcc09ddSBjoern A. Zeeb case BAR_RX_EVENT: 5241bfcc09ddSBjoern A. Zeeb iwl_mvm_event_bar_rx_callback(mvm, vif, event); 5242bfcc09ddSBjoern A. Zeeb break; 5243bfcc09ddSBjoern A. Zeeb case BA_FRAME_TIMEOUT: 5244bfcc09ddSBjoern A. Zeeb iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, 5245bfcc09ddSBjoern A. Zeeb event->u.ba.tid); 5246bfcc09ddSBjoern A. Zeeb break; 5247bfcc09ddSBjoern A. Zeeb default: 5248bfcc09ddSBjoern A. Zeeb break; 5249bfcc09ddSBjoern A. Zeeb } 5250bfcc09ddSBjoern A. Zeeb } 5251bfcc09ddSBjoern A. Zeeb 5252bfcc09ddSBjoern A. Zeeb void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 5253bfcc09ddSBjoern A. Zeeb enum iwl_mvm_rxq_notif_type type, 5254bfcc09ddSBjoern A. Zeeb bool sync, 5255bfcc09ddSBjoern A. Zeeb const void *data, u32 size) 5256bfcc09ddSBjoern A. Zeeb { 5257bfcc09ddSBjoern A. Zeeb struct { 5258bfcc09ddSBjoern A. Zeeb struct iwl_rxq_sync_cmd cmd; 5259bfcc09ddSBjoern A. Zeeb struct iwl_mvm_internal_rxq_notif notif; 5260bfcc09ddSBjoern A. Zeeb } __packed cmd = { 5261bfcc09ddSBjoern A. Zeeb .cmd.rxq_mask = cpu_to_le32(BIT(mvm->trans->num_rx_queues) - 1), 5262bfcc09ddSBjoern A. Zeeb .cmd.count = 5263bfcc09ddSBjoern A. Zeeb cpu_to_le32(sizeof(struct iwl_mvm_internal_rxq_notif) + 5264bfcc09ddSBjoern A. Zeeb size), 5265bfcc09ddSBjoern A. Zeeb .notif.type = type, 5266bfcc09ddSBjoern A. Zeeb .notif.sync = sync, 5267bfcc09ddSBjoern A. Zeeb }; 5268bfcc09ddSBjoern A. Zeeb struct iwl_host_cmd hcmd = { 5269bfcc09ddSBjoern A. Zeeb .id = WIDE_ID(DATA_PATH_GROUP, TRIGGER_RX_QUEUES_NOTIF_CMD), 5270bfcc09ddSBjoern A. Zeeb .data[0] = &cmd, 5271bfcc09ddSBjoern A. Zeeb .len[0] = sizeof(cmd), 5272bfcc09ddSBjoern A. Zeeb .data[1] = data, 5273bfcc09ddSBjoern A. Zeeb .len[1] = size, 5274bfcc09ddSBjoern A. Zeeb .flags = sync ? 0 : CMD_ASYNC, 5275bfcc09ddSBjoern A. Zeeb }; 5276bfcc09ddSBjoern A. Zeeb int ret; 5277bfcc09ddSBjoern A. Zeeb 5278bfcc09ddSBjoern A. Zeeb /* size must be a multiple of DWORD */ 5279bfcc09ddSBjoern A. Zeeb if (WARN_ON(cmd.cmd.count & cpu_to_le32(3))) 5280bfcc09ddSBjoern A. Zeeb return; 5281bfcc09ddSBjoern A. Zeeb 5282bfcc09ddSBjoern A. Zeeb if (!iwl_mvm_has_new_rx_api(mvm)) 5283bfcc09ddSBjoern A. Zeeb return; 5284bfcc09ddSBjoern A. Zeeb 5285bfcc09ddSBjoern A. Zeeb if (sync) { 5286bfcc09ddSBjoern A. Zeeb cmd.notif.cookie = mvm->queue_sync_cookie; 5287bfcc09ddSBjoern A. Zeeb mvm->queue_sync_state = (1 << mvm->trans->num_rx_queues) - 1; 5288bfcc09ddSBjoern A. Zeeb } 5289bfcc09ddSBjoern A. Zeeb 5290bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_send_cmd(mvm, &hcmd); 5291bfcc09ddSBjoern A. Zeeb if (ret) { 5292bfcc09ddSBjoern A. Zeeb IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 5293bfcc09ddSBjoern A. Zeeb goto out; 5294bfcc09ddSBjoern A. Zeeb } 5295bfcc09ddSBjoern A. Zeeb 5296bfcc09ddSBjoern A. Zeeb if (sync) { 5297bfcc09ddSBjoern A. Zeeb lockdep_assert_held(&mvm->mutex); 5298bfcc09ddSBjoern A. Zeeb ret = wait_event_timeout(mvm->rx_sync_waitq, 5299bfcc09ddSBjoern A. Zeeb READ_ONCE(mvm->queue_sync_state) == 0 || 5300bfcc09ddSBjoern A. Zeeb iwl_mvm_is_radio_killed(mvm), 5301bfcc09ddSBjoern A. Zeeb HZ); 5302bfcc09ddSBjoern A. Zeeb WARN_ONCE(!ret && !iwl_mvm_is_radio_killed(mvm), 5303bfcc09ddSBjoern A. Zeeb "queue sync: failed to sync, state is 0x%lx\n", 5304bfcc09ddSBjoern A. Zeeb mvm->queue_sync_state); 5305bfcc09ddSBjoern A. Zeeb } 5306bfcc09ddSBjoern A. Zeeb 5307bfcc09ddSBjoern A. Zeeb out: 5308bfcc09ddSBjoern A. Zeeb if (sync) { 5309bfcc09ddSBjoern A. Zeeb mvm->queue_sync_state = 0; 5310bfcc09ddSBjoern A. Zeeb mvm->queue_sync_cookie++; 5311bfcc09ddSBjoern A. Zeeb } 5312bfcc09ddSBjoern A. Zeeb } 5313bfcc09ddSBjoern A. Zeeb 5314bfcc09ddSBjoern A. Zeeb static void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) 5315bfcc09ddSBjoern A. Zeeb { 5316bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5317bfcc09ddSBjoern A. Zeeb 5318bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 5319bfcc09ddSBjoern A. Zeeb iwl_mvm_sync_rx_queues_internal(mvm, IWL_MVM_RXQ_EMPTY, true, NULL, 0); 5320bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 5321bfcc09ddSBjoern A. Zeeb } 5322bfcc09ddSBjoern A. Zeeb 5323bfcc09ddSBjoern A. Zeeb static int 5324bfcc09ddSBjoern A. Zeeb iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw, 5325bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 5326bfcc09ddSBjoern A. Zeeb struct cfg80211_ftm_responder_stats *stats) 5327bfcc09ddSBjoern A. Zeeb { 5328bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5329bfcc09ddSBjoern A. Zeeb struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5330bfcc09ddSBjoern A. Zeeb 5331bfcc09ddSBjoern A. Zeeb if (vif->p2p || vif->type != NL80211_IFTYPE_AP || 5332bfcc09ddSBjoern A. Zeeb !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder) 5333bfcc09ddSBjoern A. Zeeb return -EINVAL; 5334bfcc09ddSBjoern A. Zeeb 5335bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 5336bfcc09ddSBjoern A. Zeeb *stats = mvm->ftm_resp_stats; 5337bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 5338bfcc09ddSBjoern A. Zeeb 5339bfcc09ddSBjoern A. Zeeb stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) | 5340bfcc09ddSBjoern A. Zeeb BIT(NL80211_FTM_STATS_PARTIAL_NUM) | 5341bfcc09ddSBjoern A. Zeeb BIT(NL80211_FTM_STATS_FAILED_NUM) | 5342bfcc09ddSBjoern A. Zeeb BIT(NL80211_FTM_STATS_ASAP_NUM) | 5343bfcc09ddSBjoern A. Zeeb BIT(NL80211_FTM_STATS_NON_ASAP_NUM) | 5344bfcc09ddSBjoern A. Zeeb BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) | 5345bfcc09ddSBjoern A. Zeeb BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) | 5346bfcc09ddSBjoern A. Zeeb BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) | 5347bfcc09ddSBjoern A. Zeeb BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM); 5348bfcc09ddSBjoern A. Zeeb 5349bfcc09ddSBjoern A. Zeeb return 0; 5350bfcc09ddSBjoern A. Zeeb } 5351bfcc09ddSBjoern A. Zeeb 5352bfcc09ddSBjoern A. Zeeb static int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, 5353bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 5354bfcc09ddSBjoern A. Zeeb struct cfg80211_pmsr_request *request) 5355bfcc09ddSBjoern A. Zeeb { 5356bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5357bfcc09ddSBjoern A. Zeeb int ret; 5358bfcc09ddSBjoern A. Zeeb 5359bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 5360bfcc09ddSBjoern A. Zeeb ret = iwl_mvm_ftm_start(mvm, vif, request); 5361bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 5362bfcc09ddSBjoern A. Zeeb 5363bfcc09ddSBjoern A. Zeeb return ret; 5364bfcc09ddSBjoern A. Zeeb } 5365bfcc09ddSBjoern A. Zeeb 5366bfcc09ddSBjoern A. Zeeb static void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, 5367bfcc09ddSBjoern A. Zeeb struct ieee80211_vif *vif, 5368bfcc09ddSBjoern A. Zeeb struct cfg80211_pmsr_request *request) 5369bfcc09ddSBjoern A. Zeeb { 5370bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5371bfcc09ddSBjoern A. Zeeb 5372bfcc09ddSBjoern A. Zeeb mutex_lock(&mvm->mutex); 5373bfcc09ddSBjoern A. Zeeb iwl_mvm_ftm_abort(mvm, request); 5374bfcc09ddSBjoern A. Zeeb mutex_unlock(&mvm->mutex); 5375bfcc09ddSBjoern A. Zeeb } 5376bfcc09ddSBjoern A. Zeeb 5377bfcc09ddSBjoern A. Zeeb static bool iwl_mvm_can_hw_csum(struct sk_buff *skb) 5378bfcc09ddSBjoern A. Zeeb { 5379bfcc09ddSBjoern A. Zeeb u8 protocol = ip_hdr(skb)->protocol; 5380bfcc09ddSBjoern A. Zeeb 5381bfcc09ddSBjoern A. Zeeb if (!IS_ENABLED(CONFIG_INET)) 5382bfcc09ddSBjoern A. Zeeb return false; 5383bfcc09ddSBjoern A. Zeeb 5384bfcc09ddSBjoern A. Zeeb return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; 5385bfcc09ddSBjoern A. Zeeb } 5386bfcc09ddSBjoern A. Zeeb 5387bfcc09ddSBjoern A. Zeeb static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw, 5388bfcc09ddSBjoern A. Zeeb struct sk_buff *head, 5389bfcc09ddSBjoern A. Zeeb struct sk_buff *skb) 5390bfcc09ddSBjoern A. Zeeb { 5391bfcc09ddSBjoern A. Zeeb struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5392bfcc09ddSBjoern A. Zeeb 5393bfcc09ddSBjoern A. Zeeb /* For now don't aggregate IPv6 in AMSDU */ 5394bfcc09ddSBjoern A. Zeeb if (skb->protocol != htons(ETH_P_IP)) 5395bfcc09ddSBjoern A. Zeeb return false; 5396bfcc09ddSBjoern A. Zeeb 5397bfcc09ddSBjoern A. Zeeb if (!iwl_mvm_is_csum_supported(mvm)) 5398bfcc09ddSBjoern A. Zeeb return true; 5399bfcc09ddSBjoern A. Zeeb 5400bfcc09ddSBjoern A. Zeeb return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); 5401bfcc09ddSBjoern A. Zeeb } 5402bfcc09ddSBjoern A. Zeeb 5403bfcc09ddSBjoern A. Zeeb const struct ieee80211_ops iwl_mvm_hw_ops = { 5404bfcc09ddSBjoern A. Zeeb .tx = iwl_mvm_mac_tx, 5405bfcc09ddSBjoern A. Zeeb .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, 5406bfcc09ddSBjoern A. Zeeb .ampdu_action = iwl_mvm_mac_ampdu_action, 5407bfcc09ddSBjoern A. Zeeb .get_antenna = iwl_mvm_op_get_antenna, 5408bfcc09ddSBjoern A. Zeeb .start = iwl_mvm_mac_start, 5409bfcc09ddSBjoern A. Zeeb .reconfig_complete = iwl_mvm_mac_reconfig_complete, 5410bfcc09ddSBjoern A. Zeeb .stop = iwl_mvm_mac_stop, 5411bfcc09ddSBjoern A. Zeeb .add_interface = iwl_mvm_mac_add_interface, 5412bfcc09ddSBjoern A. Zeeb .remove_interface = iwl_mvm_mac_remove_interface, 5413bfcc09ddSBjoern A. Zeeb .config = iwl_mvm_mac_config, 5414bfcc09ddSBjoern A. Zeeb .prepare_multicast = iwl_mvm_prepare_multicast, 5415bfcc09ddSBjoern A. Zeeb .configure_filter = iwl_mvm_configure_filter, 5416bfcc09ddSBjoern A. Zeeb .config_iface_filter = iwl_mvm_config_iface_filter, 5417bfcc09ddSBjoern A. Zeeb .bss_info_changed = iwl_mvm_bss_info_changed, 5418bfcc09ddSBjoern A. Zeeb .hw_scan = iwl_mvm_mac_hw_scan, 5419bfcc09ddSBjoern A. Zeeb .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, 5420bfcc09ddSBjoern A. Zeeb .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, 5421bfcc09ddSBjoern A. Zeeb .sta_state = iwl_mvm_mac_sta_state, 5422bfcc09ddSBjoern A. Zeeb .sta_notify = iwl_mvm_mac_sta_notify, 5423bfcc09ddSBjoern A. Zeeb .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, 5424bfcc09ddSBjoern A. Zeeb .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, 5425bfcc09ddSBjoern A. Zeeb .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, 5426bfcc09ddSBjoern A. Zeeb .sta_rc_update = iwl_mvm_sta_rc_update, 5427bfcc09ddSBjoern A. Zeeb .conf_tx = iwl_mvm_mac_conf_tx, 5428bfcc09ddSBjoern A. Zeeb .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, 5429bfcc09ddSBjoern A. Zeeb .mgd_complete_tx = iwl_mvm_mac_mgd_complete_tx, 5430bfcc09ddSBjoern A. Zeeb .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, 5431bfcc09ddSBjoern A. Zeeb .flush = iwl_mvm_mac_flush, 5432bfcc09ddSBjoern A. Zeeb .sched_scan_start = iwl_mvm_mac_sched_scan_start, 5433bfcc09ddSBjoern A. Zeeb .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, 5434bfcc09ddSBjoern A. Zeeb .set_key = iwl_mvm_mac_set_key, 5435bfcc09ddSBjoern A. Zeeb .update_tkip_key = iwl_mvm_mac_update_tkip_key, 5436bfcc09ddSBjoern A. Zeeb .remain_on_channel = iwl_mvm_roc, 5437bfcc09ddSBjoern A. Zeeb .cancel_remain_on_channel = iwl_mvm_cancel_roc, 5438bfcc09ddSBjoern A. Zeeb .add_chanctx = iwl_mvm_add_chanctx, 5439bfcc09ddSBjoern A. Zeeb .remove_chanctx = iwl_mvm_remove_chanctx, 5440bfcc09ddSBjoern A. Zeeb .change_chanctx = iwl_mvm_change_chanctx, 5441bfcc09ddSBjoern A. Zeeb .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, 5442bfcc09ddSBjoern A. Zeeb .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, 5443bfcc09ddSBjoern A. Zeeb .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, 5444bfcc09ddSBjoern A. Zeeb 5445bfcc09ddSBjoern A. Zeeb .start_ap = iwl_mvm_start_ap_ibss, 5446bfcc09ddSBjoern A. Zeeb .stop_ap = iwl_mvm_stop_ap_ibss, 5447bfcc09ddSBjoern A. Zeeb .join_ibss = iwl_mvm_start_ap_ibss, 5448bfcc09ddSBjoern A. Zeeb .leave_ibss = iwl_mvm_stop_ap_ibss, 5449bfcc09ddSBjoern A. Zeeb 5450bfcc09ddSBjoern A. Zeeb .tx_last_beacon = iwl_mvm_tx_last_beacon, 5451bfcc09ddSBjoern A. Zeeb 5452bfcc09ddSBjoern A. Zeeb .set_tim = iwl_mvm_set_tim, 5453bfcc09ddSBjoern A. Zeeb 5454bfcc09ddSBjoern A. Zeeb .channel_switch = iwl_mvm_channel_switch, 5455bfcc09ddSBjoern A. Zeeb .pre_channel_switch = iwl_mvm_pre_channel_switch, 5456bfcc09ddSBjoern A. Zeeb .post_channel_switch = iwl_mvm_post_channel_switch, 5457bfcc09ddSBjoern A. Zeeb .abort_channel_switch = iwl_mvm_abort_channel_switch, 5458bfcc09ddSBjoern A. Zeeb .channel_switch_rx_beacon = iwl_mvm_channel_switch_rx_beacon, 5459bfcc09ddSBjoern A. Zeeb 5460bfcc09ddSBjoern A. Zeeb .tdls_channel_switch = iwl_mvm_tdls_channel_switch, 5461bfcc09ddSBjoern A. Zeeb .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, 5462bfcc09ddSBjoern A. Zeeb .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, 5463bfcc09ddSBjoern A. Zeeb 5464bfcc09ddSBjoern A. Zeeb .event_callback = iwl_mvm_mac_event_callback, 5465bfcc09ddSBjoern A. Zeeb 5466bfcc09ddSBjoern A. Zeeb .sync_rx_queues = iwl_mvm_sync_rx_queues, 5467bfcc09ddSBjoern A. Zeeb 5468bfcc09ddSBjoern A. Zeeb CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) 5469bfcc09ddSBjoern A. Zeeb 5470bfcc09ddSBjoern A. Zeeb #ifdef CONFIG_PM_SLEEP 5471bfcc09ddSBjoern A. Zeeb /* look at d3.c */ 5472bfcc09ddSBjoern A. Zeeb .suspend = iwl_mvm_suspend, 5473bfcc09ddSBjoern A. Zeeb .resume = iwl_mvm_resume, 5474bfcc09ddSBjoern A. Zeeb .set_wakeup = iwl_mvm_set_wakeup, 5475bfcc09ddSBjoern A. Zeeb .set_rekey_data = iwl_mvm_set_rekey_data, 5476bfcc09ddSBjoern A. Zeeb #if IS_ENABLED(CONFIG_IPV6) 5477bfcc09ddSBjoern A. Zeeb .ipv6_addr_change = iwl_mvm_ipv6_addr_change, 5478bfcc09ddSBjoern A. Zeeb #endif 5479bfcc09ddSBjoern A. Zeeb .set_default_unicast_key = iwl_mvm_set_default_unicast_key, 5480bfcc09ddSBjoern A. Zeeb #endif 5481bfcc09ddSBjoern A. Zeeb .get_survey = iwl_mvm_mac_get_survey, 5482bfcc09ddSBjoern A. Zeeb .sta_statistics = iwl_mvm_mac_sta_statistics, 5483bfcc09ddSBjoern A. Zeeb .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats, 5484bfcc09ddSBjoern A. Zeeb .start_pmsr = iwl_mvm_start_pmsr, 5485bfcc09ddSBjoern A. Zeeb .abort_pmsr = iwl_mvm_abort_pmsr, 5486bfcc09ddSBjoern A. Zeeb 5487bfcc09ddSBjoern A. Zeeb .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, 5488bfcc09ddSBjoern A. Zeeb #ifdef CONFIG_IWLWIFI_DEBUGFS 5489bfcc09ddSBjoern A. Zeeb .sta_add_debugfs = iwl_mvm_sta_add_debugfs, 5490bfcc09ddSBjoern A. Zeeb #endif 5491bfcc09ddSBjoern A. Zeeb }; 5492