diff options
Diffstat (limited to 'sys/contrib/dev/iwlwifi/mld/mac80211.c')
| -rw-r--r-- | sys/contrib/dev/iwlwifi/mld/mac80211.c | 2672 |
1 files changed, 2672 insertions, 0 deletions
diff --git a/sys/contrib/dev/iwlwifi/mld/mac80211.c b/sys/contrib/dev/iwlwifi/mld/mac80211.c new file mode 100644 index 000000000000..b0bd01914a91 --- /dev/null +++ b/sys/contrib/dev/iwlwifi/mld/mac80211.c @@ -0,0 +1,2672 @@ +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +/* + * Copyright (C) 2024-2025 Intel Corporation + */ + +#include <net/mac80211.h> +#include <linux/fips.h> +#include <linux/ip.h> + +#include "mld.h" +#include "mac80211.h" +#include "phy.h" +#include "iface.h" +#include "power.h" +#include "sta.h" +#include "agg.h" +#include "scan.h" +#include "d3.h" +#include "tlc.h" +#include "key.h" +#include "ap.h" +#include "tx.h" +#include "roc.h" +#include "mlo.h" +#include "stats.h" +#include "ftm-initiator.h" +#include "low_latency.h" +#include "fw/api/scan.h" +#include "fw/api/context.h" +#include "fw/api/filter.h" +#include "fw/api/sta.h" +#include "fw/api/tdls.h" +#ifdef CONFIG_PM_SLEEP +#include "fw/api/d3.h" +#endif /* CONFIG_PM_SLEEP */ +#include "iwl-trans.h" + +#define IWL_MLD_LIMITS(ap) \ + { \ + .max = 2, \ + .types = BIT(NL80211_IFTYPE_STATION), \ + }, \ + { \ + .max = 1, \ + .types = ap | \ + BIT(NL80211_IFTYPE_P2P_CLIENT) | \ + BIT(NL80211_IFTYPE_P2P_GO), \ + }, \ + { \ + .max = 1, \ + .types = BIT(NL80211_IFTYPE_P2P_DEVICE), \ + } + +static const struct ieee80211_iface_limit iwl_mld_limits[] = { + IWL_MLD_LIMITS(0) +}; + +static const struct ieee80211_iface_limit iwl_mld_limits_ap[] = { + IWL_MLD_LIMITS(BIT(NL80211_IFTYPE_AP)) +}; + +static const struct ieee80211_iface_combination +iwl_mld_iface_combinations[] = { + { + .num_different_channels = 2, + .max_interfaces = 4, + .limits = iwl_mld_limits, + .n_limits = ARRAY_SIZE(iwl_mld_limits), + }, + { + .num_different_channels = 1, + .max_interfaces = 4, + .limits = iwl_mld_limits_ap, + .n_limits = ARRAY_SIZE(iwl_mld_limits_ap), + }, +}; + +static const u8 if_types_ext_capa_sta[] = { + [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, + [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT, + [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF | + WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB, + [8] = WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB, + [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, +}; + +#define IWL_MLD_EMLSR_CAPA (IEEE80211_EML_CAP_EMLSR_SUPP | \ + IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US << \ + __bf_shf(IEEE80211_EML_CAP_EMLSR_PADDING_DELAY) | \ + IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US << \ + __bf_shf(IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY)) +#define IWL_MLD_CAPA_OPS (FIELD_PREP_CONST( \ + IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP, \ + IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_SAME) | \ + IEEE80211_MLD_CAP_OP_LINK_RECONF_SUPPORT) + +static const struct wiphy_iftype_ext_capab iftypes_ext_capa[] = { + { + .iftype = NL80211_IFTYPE_STATION, + .extended_capabilities = if_types_ext_capa_sta, + .extended_capabilities_mask = if_types_ext_capa_sta, + .extended_capabilities_len = sizeof(if_types_ext_capa_sta), + /* relevant only if EHT is supported */ + .eml_capabilities = IWL_MLD_EMLSR_CAPA, + .mld_capa_and_ops = IWL_MLD_CAPA_OPS, + }, +}; + +static void iwl_mld_hw_set_addresses(struct iwl_mld *mld) +{ + struct wiphy *wiphy = mld->wiphy; + int num_addrs = 1; + + /* Extract MAC address */ + memcpy(mld->addresses[0].addr, mld->nvm_data->hw_addr, ETH_ALEN); + wiphy->addresses = mld->addresses; + wiphy->n_addresses = 1; + + /* Extract additional MAC addresses if available */ + if (mld->nvm_data->n_hw_addrs > 1) + num_addrs = min(mld->nvm_data->n_hw_addrs, + IWL_MLD_MAX_ADDRESSES); + + for (int i = 1; i < num_addrs; i++) { + memcpy(mld->addresses[i].addr, + mld->addresses[i - 1].addr, + ETH_ALEN); + mld->addresses[i].addr[ETH_ALEN - 1]++; + wiphy->n_addresses++; + } +} + +static void iwl_mld_hw_set_channels(struct iwl_mld *mld) +{ + struct wiphy *wiphy = mld->wiphy; + struct ieee80211_supported_band *bands = mld->nvm_data->bands; + + wiphy->bands[NL80211_BAND_2GHZ] = &bands[NL80211_BAND_2GHZ]; + wiphy->bands[NL80211_BAND_5GHZ] = &bands[NL80211_BAND_5GHZ]; + + if (bands[NL80211_BAND_6GHZ].n_channels) + wiphy->bands[NL80211_BAND_6GHZ] = &bands[NL80211_BAND_6GHZ]; +} + +static void iwl_mld_hw_set_security(struct iwl_mld *mld) +{ + struct ieee80211_hw *hw = mld->hw; + static const u32 mld_ciphers[] = { + WLAN_CIPHER_SUITE_WEP40, + WLAN_CIPHER_SUITE_WEP104, + WLAN_CIPHER_SUITE_TKIP, + WLAN_CIPHER_SUITE_CCMP, + WLAN_CIPHER_SUITE_GCMP, + WLAN_CIPHER_SUITE_GCMP_256, + WLAN_CIPHER_SUITE_AES_CMAC, + WLAN_CIPHER_SUITE_BIP_GMAC_128, + WLAN_CIPHER_SUITE_BIP_GMAC_256 + }; + + if (fips_enabled) + return; + + hw->wiphy->n_cipher_suites = ARRAY_SIZE(mld_ciphers); + hw->wiphy->cipher_suites = mld_ciphers; + + ieee80211_hw_set(hw, MFP_CAPABLE); + wiphy_ext_feature_set(hw->wiphy, + NL80211_EXT_FEATURE_BEACON_PROTECTION); +} + +static void iwl_mld_hw_set_antennas(struct iwl_mld *mld) +{ + struct wiphy *wiphy = mld->wiphy; + + wiphy->available_antennas_tx = iwl_mld_get_valid_tx_ant(mld); + wiphy->available_antennas_rx = iwl_mld_get_valid_rx_ant(mld); +} + +static void iwl_mld_hw_set_pm(struct iwl_mld *mld) +{ +#ifdef CONFIG_PM_SLEEP + struct wiphy *wiphy = mld->wiphy; + + if (!device_can_wakeup(mld->trans->dev)) + return; + + if (fips_enabled) + return; + + mld->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | + WIPHY_WOWLAN_DISCONNECT | + WIPHY_WOWLAN_EAP_IDENTITY_REQ | + WIPHY_WOWLAN_RFKILL_RELEASE | + WIPHY_WOWLAN_NET_DETECT | + WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | + WIPHY_WOWLAN_GTK_REKEY_FAILURE | + WIPHY_WOWLAN_4WAY_HANDSHAKE; + + mld->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; + mld->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; + mld->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; + mld->wowlan.max_nd_match_sets = IWL_SCAN_MAX_PROFILES_V2; + + wiphy->wowlan = &mld->wowlan; +#endif /* CONFIG_PM_SLEEP */ +} + +static void iwl_mac_hw_set_radiotap(struct iwl_mld *mld) +{ + struct ieee80211_hw *hw = mld->hw; + + hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | + IEEE80211_RADIOTAP_MCS_HAVE_STBC; + + hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | + IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; + + hw->radiotap_timestamp.units_pos = + IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | + IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; + + /* this is the case for CCK frames, it's better (only 8) for OFDM */ + hw->radiotap_timestamp.accuracy = 22; +} + +static void iwl_mac_hw_set_flags(struct iwl_mld *mld) +{ + struct ieee80211_hw *hw = mld->hw; + + ieee80211_hw_set(hw, USES_RSS); + ieee80211_hw_set(hw, HANDLES_QUIET_CSA); + ieee80211_hw_set(hw, AP_LINK_PS); + ieee80211_hw_set(hw, SIGNAL_DBM); + ieee80211_hw_set(hw, SPECTRUM_MGMT); + ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); + ieee80211_hw_set(hw, WANT_MONITOR_VIF); + ieee80211_hw_set(hw, SUPPORTS_PS); + ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); + ieee80211_hw_set(hw, AMPDU_AGGREGATION); + ieee80211_hw_set(hw, CONNECTION_MONITOR); + ieee80211_hw_set(hw, CHANCTX_STA_CSA); + ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); + ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); + ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); + ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); + ieee80211_hw_set(hw, BUFF_MMPDU_TXQ); + ieee80211_hw_set(hw, STA_MMPDU_TXQ); + ieee80211_hw_set(hw, TX_AMSDU); + ieee80211_hw_set(hw, TX_FRAG_LIST); + ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); + ieee80211_hw_set(hw, HAS_RATE_CONTROL); + ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); + ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); + ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); + ieee80211_hw_set(hw, TDLS_WIDER_BW); +} + +static void iwl_mac_hw_set_wiphy(struct iwl_mld *mld) +{ + struct ieee80211_hw *hw = mld->hw; + struct wiphy *wiphy = hw->wiphy; + const struct iwl_ucode_capabilities *ucode_capa = &mld->fw->ucode_capa; + + snprintf(wiphy->fw_version, + sizeof(wiphy->fw_version), + "%.31s", mld->fw->fw_version); + + wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_P2P_GO) | + BIT(NL80211_IFTYPE_P2P_DEVICE) | + BIT(NL80211_IFTYPE_ADHOC); + + wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | + NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | + NL80211_FEATURE_ND_RANDOM_MAC_ADDR | + NL80211_FEATURE_HT_IBSS | + NL80211_FEATURE_P2P_GO_CTWIN | + NL80211_FEATURE_LOW_PRIORITY_SCAN | + NL80211_FEATURE_P2P_GO_OPPPS | + NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | + NL80211_FEATURE_SUPPORTS_WMM_ADMISSION | + NL80211_FEATURE_TX_POWER_INSERTION | + NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; + + wiphy->flags |= WIPHY_FLAG_IBSS_RSN | + WIPHY_FLAG_AP_UAPSD | + WIPHY_FLAG_HAS_CHANNEL_SWITCH | + WIPHY_FLAG_SPLIT_SCAN_6GHZ | + WIPHY_FLAG_SUPPORTS_TDLS | + WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK; + + /* For fips_enabled, don't support WiFi7 due to WPA3/MFP requirements */ + if (mld->nvm_data->sku_cap_11be_enable && + !iwlwifi_mod_params.disable_11ax && + !iwlwifi_mod_params.disable_11be && + !fips_enabled) + wiphy->flags |= WIPHY_FLAG_SUPPORTS_MLO; + + /* the firmware uses u8 for num of iterations, but 0xff is saved for + * infinite loop, so the maximum number of iterations is actually 254. + */ + wiphy->max_sched_scan_plan_iterations = 254; + wiphy->max_sched_scan_ie_len = iwl_mld_scan_max_template_size(); + wiphy->max_scan_ie_len = iwl_mld_scan_max_template_size(); + wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; + wiphy->max_scan_ssids = PROBE_OPTION_MAX; + wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; + wiphy->max_sched_scan_reqs = 1; + wiphy->max_sched_scan_plan_interval = U16_MAX; + wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES_V2; + + wiphy->max_remain_on_channel_duration = 10000; + + wiphy->hw_version = mld->trans->info.hw_id; + + wiphy->hw_timestamp_max_peers = 1; + + wiphy->iface_combinations = iwl_mld_iface_combinations; + wiphy->n_iface_combinations = ARRAY_SIZE(iwl_mld_iface_combinations); + + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS); + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_DFS_CONCURRENT); + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_LEGACY); + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_SCAN_START_TIME); + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BSS_PARENT_TSF); + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT); + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP); + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME); + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE); + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_SPP_AMSDU_SUPPORT); + + if (fw_has_capa(ucode_capa, IWL_UCODE_TLV_CAPA_PROTECTED_TWT)) + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_PROTECTED_TWT); + + wiphy->iftype_ext_capab = NULL; + wiphy->num_iftype_ext_capab = 0; + + if (!iwlwifi_mod_params.disable_11ax) { + wiphy->iftype_ext_capab = iftypes_ext_capa; + wiphy->num_iftype_ext_capab = ARRAY_SIZE(iftypes_ext_capa); + + ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); + ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID); + } + + if (iwlmld_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) + wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; + else + wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; +} + +static void iwl_mac_hw_set_misc(struct iwl_mld *mld) +{ + struct ieee80211_hw *hw = mld->hw; + + hw->queues = IEEE80211_NUM_ACS; + + hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; + hw->netdev_features |= mld->trans->mac_cfg->base->features; + + hw->max_tx_fragments = mld->trans->info.max_skb_frags; + hw->max_listen_interval = IWL_MLD_CONN_LISTEN_INTERVAL; + + hw->uapsd_max_sp_len = IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL; + hw->uapsd_queues = IEEE80211_WMM_IE_STA_QOSINFO_AC_VO | + IEEE80211_WMM_IE_STA_QOSINFO_AC_VI | + IEEE80211_WMM_IE_STA_QOSINFO_AC_BK | + IEEE80211_WMM_IE_STA_QOSINFO_AC_BE; + + hw->chanctx_data_size = sizeof(struct iwl_mld_phy); + hw->vif_data_size = sizeof(struct iwl_mld_vif); + hw->sta_data_size = sizeof(struct iwl_mld_sta); + hw->txq_data_size = sizeof(struct iwl_mld_txq); + + /* TODO: Remove this division when IEEE80211_MAX_AMPDU_BUF_EHT size + * is supported. + * Note: ensure that IWL_DEFAULT_QUEUE_SIZE_EHT is updated accordingly. + */ + hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_EHT / 2; +} + +static int iwl_mld_hw_verify_preconditions(struct iwl_mld *mld) +{ + int ratecheck; + + /* check for rates version 3 */ + ratecheck = + (iwl_fw_lookup_cmd_ver(mld->fw, TX_CMD, 0) >= 11) + + (iwl_fw_lookup_notif_ver(mld->fw, DATA_PATH_GROUP, + TLC_MNG_UPDATE_NOTIF, 0) >= 4) + + (iwl_fw_lookup_notif_ver(mld->fw, LEGACY_GROUP, + REPLY_RX_MPDU_CMD, 0) >= 6) + + (iwl_fw_lookup_notif_ver(mld->fw, DATA_PATH_GROUP, + RX_NO_DATA_NOTIF, 0) >= 4) + + (iwl_fw_lookup_notif_ver(mld->fw, LONG_GROUP, TX_CMD, 0) >= 9); + + if (ratecheck != 0 && ratecheck != 5) { + IWL_ERR(mld, "Firmware has inconsistent rates\n"); + return -EINVAL; + } + + /* 11ax is expected to be enabled for all supported devices */ + if (WARN_ON(!mld->nvm_data->sku_cap_11ax_enable)) + return -EINVAL; + + /* LAR is expected to be enabled for all supported devices */ + if (WARN_ON(!mld->nvm_data->lar_enabled)) + return -EINVAL; + + /* All supported devices are currently using version 3 of the cmd. + * Since version 3, IWL_SCAN_MAX_PROFILES_V2 shall be used where + * necessary. + */ + if (WARN_ON(iwl_fw_lookup_cmd_ver(mld->fw, + SCAN_OFFLOAD_UPDATE_PROFILES_CMD, + IWL_FW_CMD_VER_UNKNOWN) != 3)) + return -EINVAL; + + return 0; +} + +int iwl_mld_register_hw(struct iwl_mld *mld) +{ + /* verify once essential preconditions required for setting + * the hw capabilities + */ + if (iwl_mld_hw_verify_preconditions(mld)) + return -EINVAL; + + iwl_mld_hw_set_addresses(mld); + iwl_mld_hw_set_channels(mld); + iwl_mld_hw_set_security(mld); + iwl_mld_hw_set_pm(mld); + iwl_mld_hw_set_antennas(mld); + iwl_mac_hw_set_radiotap(mld); + iwl_mac_hw_set_flags(mld); + iwl_mac_hw_set_wiphy(mld); + iwl_mac_hw_set_misc(mld); + + SET_IEEE80211_DEV(mld->hw, mld->trans->dev); + + return ieee80211_register_hw(mld->hw); +} + +static void +iwl_mld_mac80211_tx(struct ieee80211_hw *hw, + struct ieee80211_tx_control *control, struct sk_buff *skb) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + struct ieee80211_sta *sta = control->sta; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_hdr *hdr = (void *)skb->data; + u32 link_id = u32_get_bits(info->control.flags, + IEEE80211_TX_CTRL_MLO_LINK); + + /* In AP mode, mgmt frames are sent on the bcast station, + * so the FW can't translate the MLD addr to the link addr. Do it here + */ + if (ieee80211_is_mgmt(hdr->frame_control) && sta && + link_id != IEEE80211_LINK_UNSPECIFIED && + !ieee80211_is_probe_resp(hdr->frame_control)) { + /* translate MLD addresses to LINK addresses */ + struct ieee80211_link_sta *link_sta = + rcu_dereference(sta->link[link_id]); + struct ieee80211_bss_conf *link_conf = + rcu_dereference(info->control.vif->link_conf[link_id]); + struct ieee80211_mgmt *mgmt; + + if (WARN_ON(!link_sta || !link_conf)) { + ieee80211_free_txskb(hw, skb); + return; + } + + mgmt = (void *)hdr; + memcpy(mgmt->da, link_sta->addr, ETH_ALEN); + memcpy(mgmt->sa, link_conf->addr, ETH_ALEN); + memcpy(mgmt->bssid, link_conf->bssid, ETH_ALEN); + } + + iwl_mld_tx_skb(mld, skb, NULL); +} + +static void +iwl_mld_restart_cleanup(struct iwl_mld *mld) +{ + iwl_cleanup_mld(mld); + + ieee80211_iterate_interfaces(mld->hw, IEEE80211_IFACE_ITER_ACTIVE, + iwl_mld_cleanup_vif, NULL); + + ieee80211_iterate_stations_atomic(mld->hw, + iwl_mld_cleanup_sta, NULL); + + iwl_mld_ftm_restart_cleanup(mld); +} + +static +int iwl_mld_mac80211_start(struct ieee80211_hw *hw) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + bool in_d3 = false; + int ret = 0; + + lockdep_assert_wiphy(mld->wiphy); + +#ifdef CONFIG_PM_SLEEP + /* Unless the host goes into hibernate the FW always stays on and + * the d3_resume flow is used. When wowlan is configured, mac80211 + * would call it's resume callback and the wowlan_resume flow + * would be used. + */ + + in_d3 = mld->fw_status.in_d3; + if (in_d3) { + /* mac80211 already cleaned up the state, no need for cleanup */ + ret = iwl_mld_no_wowlan_resume(mld); + if (ret) { + iwl_mld_stop_fw(mld); + /* We're not really restarting in the sense of + * in_hw_restart even if we got an error during + * this. We'll just start again below and have + * nothing to recover, mac80211 will do anyway. + */ + mld->fw_status.in_hw_restart = false; + } + } +#endif /* CONFIG_PM_SLEEP */ + + if (mld->fw_status.in_hw_restart) { + iwl_mld_stop_fw(mld); + iwl_mld_restart_cleanup(mld); + } + + if (!in_d3 || ret) { + ret = iwl_mld_start_fw(mld); + if (ret) + goto error; + } + + mld->scan.last_start_time_jiffies = jiffies; + + iwl_dbg_tlv_time_point(&mld->fwrt, IWL_FW_INI_TIME_POINT_POST_INIT, + NULL); + iwl_dbg_tlv_time_point(&mld->fwrt, IWL_FW_INI_TIME_POINT_PERIODIC, + NULL); + + return 0; + +error: + /* If we failed to restart the hw, there is nothing useful + * we can do but indicate we are no longer in restart. + */ + mld->fw_status.in_hw_restart = false; + + return ret; +} + +static +void iwl_mld_mac80211_stop(struct ieee80211_hw *hw, bool suspend) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + + lockdep_assert_wiphy(mld->wiphy); + + wiphy_work_cancel(mld->wiphy, &mld->add_txqs_wk); + + /* if the suspend flow fails the fw is in error. Stop it here, and it + * will be started upon wakeup + */ + if (!suspend || + (IS_ENABLED(CONFIG_PM_SLEEP) && iwl_mld_no_wowlan_suspend(mld))) + iwl_mld_stop_fw(mld); + + /* Clear in_hw_restart flag when stopping the hw, as mac80211 won't + * execute the restart. + */ + mld->fw_status.in_hw_restart = false; + + /* We shouldn't have any UIDs still set. Loop over all the UIDs to + * make sure there's nothing left there and warn if any is found. + */ + for (int i = 0; i < ARRAY_SIZE(mld->scan.uid_status); i++) + if (WARN_ONCE(mld->scan.uid_status[i], + "UMAC scan UID %d status was not cleaned (0x%x 0x%x)\n", + i, mld->scan.uid_status[i], mld->scan.status)) + mld->scan.uid_status[i] = 0; +} + +static +int iwl_mld_mac80211_config(struct ieee80211_hw *hw, int radio_idx, + u32 changed) +{ + return 0; +} + +static +int iwl_mld_mac80211_add_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + int ret; + + lockdep_assert_wiphy(mld->wiphy); + + /* Construct mld_vif, add it to fw, and map its ID to ieee80211_vif */ + ret = iwl_mld_add_vif(mld, vif); + if (ret) + return ret; + + /* + * Add the default link, but not if this is an MLD vif as that implies + * the HW is restarting and it will be configured by change_vif_links. + */ + if (!ieee80211_vif_is_mld(vif)) + ret = iwl_mld_add_link(mld, &vif->bss_conf); + if (ret) + goto err; + + if (vif->type == NL80211_IFTYPE_STATION) { + vif->driver_flags |= IEEE80211_VIF_REMOVE_AP_AFTER_DISASSOC; + if (!vif->p2p) + vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | + IEEE80211_VIF_SUPPORTS_CQM_RSSI; + } + + if (vif->p2p || iwl_fw_lookup_cmd_ver(mld->fw, PHY_CONTEXT_CMD, 0) < 5) + vif->driver_flags |= IEEE80211_VIF_IGNORE_OFDMA_WIDER_BW; + + /* + * For an MLD vif (in restart) we may not have a link; delay the call + * the initial change_vif_links. + */ + if (vif->type == NL80211_IFTYPE_STATION && + !ieee80211_vif_is_mld(vif)) + iwl_mld_update_mac_power(mld, vif, false); + + if (vif->type == NL80211_IFTYPE_MONITOR) { + mld->monitor.on = true; + ieee80211_hw_set(mld->hw, RX_INCLUDES_FCS); + } + + if (vif->type == NL80211_IFTYPE_P2P_DEVICE) + mld->p2p_device_vif = vif; + + return 0; + +err: + iwl_mld_rm_vif(mld, vif); + return ret; +} + +static +void iwl_mld_mac80211_remove_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + + lockdep_assert_wiphy(mld->wiphy); + + if (ieee80211_vif_type_p2p(vif) == NL80211_IFTYPE_STATION) + vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | + IEEE80211_VIF_SUPPORTS_CQM_RSSI); + + if (vif->type == NL80211_IFTYPE_MONITOR) { + __clear_bit(IEEE80211_HW_RX_INCLUDES_FCS, mld->hw->flags); + mld->monitor.on = false; + } + + if (vif->type == NL80211_IFTYPE_P2P_DEVICE) + mld->p2p_device_vif = NULL; + + iwl_mld_remove_link(mld, &vif->bss_conf); + +#ifdef CONFIG_IWLWIFI_DEBUGFS + debugfs_remove(iwl_mld_vif_from_mac80211(vif)->dbgfs_slink); + iwl_mld_vif_from_mac80211(vif)->dbgfs_slink = NULL; +#endif + + iwl_mld_rm_vif(mld, vif); +} + +struct iwl_mld_mc_iter_data { + struct iwl_mld *mld; + int port_id; +}; + +static void iwl_mld_mc_iface_iterator(void *data, u8 *mac, + struct ieee80211_vif *vif) +{ + struct iwl_mld_mc_iter_data *mc_data = data; + struct iwl_mld *mld = mc_data->mld; + struct iwl_mcast_filter_cmd *cmd = mld->mcast_filter_cmd; + struct iwl_host_cmd hcmd = { + .id = MCAST_FILTER_CMD, + .dataflags[0] = IWL_HCMD_DFL_NOCOPY, + }; + int ret, len; + + /* If we don't have free ports, mcast frames will be dropped */ + if (WARN_ON_ONCE(mc_data->port_id >= MAX_PORT_ID_NUM)) + return; + + if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc) + return; + + cmd->port_id = mc_data->port_id++; + ether_addr_copy(cmd->bssid, vif->bss_conf.bssid); + len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); + + hcmd.len[0] = len; + hcmd.data[0] = cmd; + + ret = iwl_mld_send_cmd(mld, &hcmd); + if (ret) + IWL_ERR(mld, "mcast filter cmd error. ret=%d\n", ret); +} + +void iwl_mld_recalc_multicast_filter(struct iwl_mld *mld) +{ + struct iwl_mld_mc_iter_data iter_data = { + .mld = mld, + }; + + if (WARN_ON_ONCE(!mld->mcast_filter_cmd)) + return; + + ieee80211_iterate_active_interfaces(mld->hw, + IEEE80211_IFACE_ITER_NORMAL, + iwl_mld_mc_iface_iterator, + &iter_data); +} + +static u64 +iwl_mld_mac80211_prepare_multicast(struct ieee80211_hw *hw, + struct netdev_hw_addr_list *mc_list) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + struct iwl_mcast_filter_cmd *cmd; + struct netdev_hw_addr *addr; + int addr_count = netdev_hw_addr_list_count(mc_list); + bool pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES; + int len; + + if (pass_all) + addr_count = 0; + + /* len must be a multiple of 4 */ + len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); + cmd = kzalloc(len, GFP_ATOMIC); + if (!cmd) + return 0; + + if (pass_all) { + cmd->pass_all = 1; + goto out; + } + + netdev_hw_addr_list_for_each(addr, mc_list) { + IWL_DEBUG_MAC80211(mld, "mcast addr (%d): %pM\n", + cmd->count, addr->addr); + ether_addr_copy(&cmd->addr_list[cmd->count * ETH_ALEN], + addr->addr); + cmd->count++; + } + +out: + return (u64)(unsigned long)cmd; +} + +static +void iwl_mld_mac80211_configure_filter(struct ieee80211_hw *hw, + unsigned int changed_flags, + unsigned int *total_flags, + u64 multicast) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; + + /* Replace previous configuration */ + kfree(mld->mcast_filter_cmd); + mld->mcast_filter_cmd = cmd; + + if (!cmd) + goto out; + + if (changed_flags & FIF_ALLMULTI) + cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); + + if (cmd->pass_all) + cmd->count = 0; + + iwl_mld_recalc_multicast_filter(mld); +out: + *total_flags = 0; +} + +static +void iwl_mld_mac80211_wake_tx_queue(struct ieee80211_hw *hw, + struct ieee80211_txq *txq) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + struct iwl_mld_txq *mld_txq = iwl_mld_txq_from_mac80211(txq); + + if (likely(mld_txq->status.allocated) || !txq->sta) { + iwl_mld_tx_from_txq(mld, txq); + return; + } + + /* We don't support TSPEC tids. %IEEE80211_NUM_TIDS is for mgmt */ + if (txq->tid != IEEE80211_NUM_TIDS && txq->tid >= IWL_MAX_TID_COUNT) { + IWL_DEBUG_MAC80211(mld, "TID %d is not supported\n", txq->tid); + return; + } + + /* The worker will handle any packets we leave on the txq now */ + + spin_lock_bh(&mld->add_txqs_lock); + /* The list is being deleted only after the queue is fully allocated. */ + if (list_empty(&mld_txq->list) && + /* recheck under lock, otherwise it can be added twice */ + !mld_txq->status.allocated) { + list_add_tail(&mld_txq->list, &mld->txqs_to_add); + wiphy_work_queue(mld->wiphy, &mld->add_txqs_wk); + } + spin_unlock_bh(&mld->add_txqs_lock); +} + +static void iwl_mld_teardown_tdls_peers(struct iwl_mld *mld) +{ + lockdep_assert_wiphy(mld->wiphy); + + for (int i = 0; i < mld->fw->ucode_capa.num_stations; i++) { + struct ieee80211_link_sta *link_sta; + struct iwl_mld_sta *mld_sta; + + link_sta = wiphy_dereference(mld->wiphy, + mld->fw_id_to_link_sta[i]); + if (IS_ERR_OR_NULL(link_sta)) + continue; + + if (!link_sta->sta->tdls) + continue; + + mld_sta = iwl_mld_sta_from_mac80211(link_sta->sta); + + ieee80211_tdls_oper_request(mld_sta->vif, link_sta->addr, + NL80211_TDLS_TEARDOWN, + WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED, + GFP_KERNEL); + } +} + +static +int iwl_mld_add_chanctx(struct ieee80211_hw *hw, + struct ieee80211_chanctx_conf *ctx) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + struct iwl_mld_phy *phy = iwl_mld_phy_from_mac80211(ctx); + int fw_id = iwl_mld_allocate_fw_phy_id(mld); + int ret; + + if (fw_id < 0) + return fw_id; + + phy->mld = mld; + phy->fw_id = fw_id; + phy->chandef = *iwl_mld_get_chandef_from_chanctx(mld, ctx); + + ret = iwl_mld_phy_fw_action(mld, ctx, FW_CTXT_ACTION_ADD); + if (ret) { + mld->used_phy_ids &= ~BIT(phy->fw_id); + return ret; + } + + if (hweight8(mld->used_phy_ids) > 1) + iwl_mld_teardown_tdls_peers(mld); + + return 0; +} + +static +void iwl_mld_remove_chanctx(struct ieee80211_hw *hw, + struct ieee80211_chanctx_conf *ctx) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + struct iwl_mld_phy *phy = iwl_mld_phy_from_mac80211(ctx); + + iwl_mld_phy_fw_action(mld, ctx, FW_CTXT_ACTION_REMOVE); + mld->used_phy_ids &= ~BIT(phy->fw_id); +} + +static +void iwl_mld_change_chanctx(struct ieee80211_hw *hw, + struct ieee80211_chanctx_conf *ctx, u32 changed) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + struct iwl_mld_phy *phy = iwl_mld_phy_from_mac80211(ctx); + struct cfg80211_chan_def *chandef = + iwl_mld_get_chandef_from_chanctx(mld, ctx); + + /* We don't care about these */ + if (!(changed & ~(IEEE80211_CHANCTX_CHANGE_RX_CHAINS | + IEEE80211_CHANCTX_CHANGE_RADAR | + IEEE80211_CHANCTX_CHANGE_CHANNEL))) + return; + + /* Check if a FW update is required */ + + if (changed & IEEE80211_CHANCTX_CHANGE_AP) + goto update; + + if (chandef->chan == phy->chandef.chan && + chandef->center_freq1 == phy->chandef.center_freq1 && + chandef->punctured == phy->chandef.punctured) { + /* Check if we are toggling between HT and non-HT, no-op */ + if (phy->chandef.width == chandef->width || + (phy->chandef.width <= NL80211_CHAN_WIDTH_20 && + chandef->width <= NL80211_CHAN_WIDTH_20)) + return; + } +update: + + iwl_mld_update_phy_chandef(mld, ctx); +} + +static u8 +iwl_mld_chandef_get_primary_80(struct cfg80211_chan_def *chandef) +{ + int data_start; + int control_start; + int bw; + + if (chandef->width == NL80211_CHAN_WIDTH_320) + bw = 320; + else if (chandef->width == NL80211_CHAN_WIDTH_160) + bw = 160; + else + return 0; + + /* data is bw wide so the start is half the width */ + data_start = chandef->center_freq1 - bw / 2; + /* control is 20Mhz width */ + control_start = chandef->chan->center_freq - 10; + + return (control_start - data_start) / 80; +} + +static bool iwl_mld_can_activate_link(struct iwl_mld *mld, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *link) +{ + struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif); + struct iwl_mld_sta *mld_sta; + struct iwl_mld_link_sta *link_sta; + + /* In association, we activate the assoc link before adding the STA. */ + if (!mld_vif->ap_sta || !vif->cfg.assoc) + return true; + + mld_sta = iwl_mld_sta_from_mac80211(mld_vif->ap_sta); + + /* When switching links, we need to wait with the activation until the + * STA was added to the FW. It'll be activated in + * iwl_mld_update_link_stas + */ + link_sta = wiphy_dereference(mld->wiphy, mld_sta->link[link->link_id]); + + /* In restart we can have a link_sta that doesn't exist in FW yet */ + return link_sta && link_sta->in_fw; +} + +static +int iwl_mld_assign_vif_chanctx(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *link, + struct ieee80211_chanctx_conf *ctx) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + struct iwl_mld_link *mld_link = iwl_mld_link_from_mac80211(link); + unsigned int n_active = iwl_mld_count_active_links(mld, vif); + int ret; + + lockdep_assert_wiphy(mld->wiphy); + + if (WARN_ON(!mld_link)) + return -EINVAL; + + /* if the assigned one was not counted yet, count it now */ + if (!rcu_access_pointer(mld_link->chan_ctx)) { + n_active++; + + /* Track addition of non-BSS link */ + if (ieee80211_vif_type_p2p(vif) != NL80211_IFTYPE_STATION) { + ret = iwl_mld_emlsr_check_non_bss_block(mld, 1); + if (ret) + return ret; + } + } + + /* for AP, mac parameters such as HE support are updated at this stage. */ + if (vif->type == NL80211_IFTYPE_AP) { + ret = iwl_mld_mac_fw_action(mld, vif, FW_CTXT_ACTION_MODIFY); + + if (ret) { + IWL_ERR(mld, "failed to update MAC %pM\n", vif->addr); + return -EINVAL; + } + } + + rcu_assign_pointer(mld_link->chan_ctx, ctx); + + if (n_active > 1) { + struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif); + + /* Indicate to mac80211 that EML is enabled */ + vif->driver_flags |= IEEE80211_VIF_EML_ACTIVE; + mld_vif->emlsr.last_entry_ts = jiffies; + + if (vif->active_links & BIT(mld_vif->emlsr.selected_links)) + mld_vif->emlsr.primary = mld_vif->emlsr.selected_primary; + else + mld_vif->emlsr.primary = __ffs(vif->active_links); + + iwl_dbg_tlv_time_point(&mld->fwrt, IWL_FW_INI_TIME_ESR_LINK_UP, + NULL); + } + + /* First send the link command with the phy context ID. + * Now that we have the phy, we know the band so also the rates + */ + ret = iwl_mld_change_link_in_fw(mld, link, + LINK_CONTEXT_MODIFY_RATES_INFO); + if (ret) + goto err; + + /* TODO: Initialize rate control for the AP station, since we might be + * doing a link switch here - we cannot initialize it before since + * this needs the phy context assigned (and in FW?), and we cannot + * do it later because it needs to be initialized as soon as we're + * able to TX on the link, i.e. when active. (task=link-switch) + */ + + /* Now activate the link */ + if (iwl_mld_can_activate_link(mld, vif, link)) { + ret = iwl_mld_activate_link(mld, link); + if (ret) + goto err; + } + + if (vif->type == NL80211_IFTYPE_STATION) + iwl_mld_send_ap_tx_power_constraint_cmd(mld, vif, link); + + if (vif->type == NL80211_IFTYPE_MONITOR) { + ret = iwl_mld_add_mon_sta(mld, vif, link); + if (ret) + goto deactivate_link; + + mld->monitor.p80 = + iwl_mld_chandef_get_primary_80(&vif->bss_conf.chanreq.oper); + } + + return 0; + +deactivate_link: + if (mld_link->active) + iwl_mld_deactivate_link(mld, link); +err: + RCU_INIT_POINTER(mld_link->chan_ctx, NULL); + return ret; +} + +static +void iwl_mld_unassign_vif_chanctx(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *link, + struct ieee80211_chanctx_conf *ctx) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif); + struct iwl_mld_link *mld_link = iwl_mld_link_from_mac80211(link); + unsigned int n_active = iwl_mld_count_active_links(mld, vif); + + if (WARN_ON(!mld_link)) + return; + + /* Track removal of non-BSS link */ + if (ieee80211_vif_type_p2p(vif) != NL80211_IFTYPE_STATION) + iwl_mld_emlsr_check_non_bss_block(mld, -1); + + iwl_mld_deactivate_link(mld, link); + + if (vif->type == NL80211_IFTYPE_MONITOR) + iwl_mld_remove_mon_sta(mld, vif, link); + + if (n_active > 1) { + /* Indicate to mac80211 that EML is disabled */ + vif->driver_flags &= ~IEEE80211_VIF_EML_ACTIVE; + + iwl_dbg_tlv_time_point(&mld->fwrt, + IWL_FW_INI_TIME_ESR_LINK_DOWN, + NULL); + } + + RCU_INIT_POINTER(mld_link->chan_ctx, NULL); + + /* in the non-MLO case, remove/re-add the link to clean up FW state. + * In MLO, it'll be done in drv_change_vif_link + */ + if (!ieee80211_vif_is_mld(vif) && !mld_vif->ap_sta && + !WARN_ON_ONCE(vif->cfg.assoc) && + vif->type != NL80211_IFTYPE_AP && !mld->fw_status.in_hw_restart) { + iwl_mld_remove_link(mld, link); + iwl_mld_add_link(mld, link); + } +} + +static +int iwl_mld_mac80211_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx, + u32 value) +{ + return 0; +} + +static void +iwl_mld_link_info_changed_ap_ibss(struct iwl_mld *mld, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *link, + u64 changes) +{ + u32 link_changes = 0; + + if (changes & BSS_CHANGED_ERP_SLOT) + link_changes |= LINK_CONTEXT_MODIFY_RATES_INFO; + + if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT)) + link_changes |= LINK_CONTEXT_MODIFY_PROTECT_FLAGS; + + if (changes & (BSS_CHANGED_QOS | BSS_CHANGED_BANDWIDTH)) + link_changes |= LINK_CONTEXT_MODIFY_QOS_PARAMS; + + if (changes & BSS_CHANGED_HE_BSS_COLOR) + link_changes |= LINK_CONTEXT_MODIFY_HE_PARAMS; + + if (link_changes) + iwl_mld_change_link_in_fw(mld, link, link_changes); + + if (changes & BSS_CHANGED_BEACON) + iwl_mld_update_beacon_template(mld, vif, link); +} + +static +u32 iwl_mld_link_changed_mapping(struct iwl_mld *mld, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *link_conf, + u64 changes) +{ + u32 link_changes = 0; + bool has_he, has_eht; + + if (changes & BSS_CHANGED_QOS && vif->cfg.assoc && link_conf->qos) + link_changes |= LINK_CONTEXT_MODIFY_QOS_PARAMS; + + if (changes & (BSS_CHANGED_ERP_PREAMBLE | BSS_CHANGED_BASIC_RATES | + BSS_CHANGED_ERP_SLOT)) + link_changes |= LINK_CONTEXT_MODIFY_RATES_INFO; + + if (changes & (BSS_CHANGED_HT | BSS_CHANGED_ERP_CTS_PROT)) + link_changes |= LINK_CONTEXT_MODIFY_PROTECT_FLAGS; + + /* TODO: task=MLO check mac80211's HE flags and if command is needed + * every time there's a link change. Currently used flags are + * BSS_CHANGED_HE_OBSS_PD and BSS_CHANGED_HE_BSS_COLOR. + */ + has_he = link_conf->he_support && !iwlwifi_mod_params.disable_11ax; + has_eht = link_conf->eht_support && !iwlwifi_mod_params.disable_11be; + + if (vif->cfg.assoc && (has_he || has_eht)) { + IWL_DEBUG_MAC80211(mld, "Associated in HE mode\n"); + link_changes |= LINK_CONTEXT_MODIFY_HE_PARAMS; + } + + return link_changes; +} + +static void +iwl_mld_mac80211_link_info_changed_sta(struct iwl_mld *mld, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *link_conf, + u64 changes) +{ + u32 link_changes = iwl_mld_link_changed_mapping(mld, vif, link_conf, + changes); + + if (link_changes) + iwl_mld_change_link_in_fw(mld, link_conf, link_changes); + + if (changes & BSS_CHANGED_TPE) + iwl_mld_send_ap_tx_power_constraint_cmd(mld, vif, link_conf); + + if (changes & BSS_CHANGED_BEACON_INFO) + iwl_mld_update_mac_power(mld, vif, false); + + /* The firmware will wait quite a while after association before it + * starts filtering the beacons. We can safely enable beacon filtering + * upon CQM configuration, even if we didn't get a beacon yet. + */ + if (changes & (BSS_CHANGED_CQM | BSS_CHANGED_BEACON_INFO)) + iwl_mld_enable_beacon_filter(mld, link_conf, false); + + if (changes & BSS_CHANGED_BANDWIDTH) + iwl_mld_retry_emlsr(mld, vif); +} + +static int iwl_mld_update_mu_groups(struct iwl_mld *mld, + struct ieee80211_bss_conf *link_conf) +{ + struct iwl_mu_group_mgmt_cmd cmd = {}; + + BUILD_BUG_ON(sizeof(cmd.membership_status) != + sizeof(link_conf->mu_group.membership)); + BUILD_BUG_ON(sizeof(cmd.user_position) != + sizeof(link_conf->mu_group.position)); + + memcpy(cmd.membership_status, link_conf->mu_group.membership, + WLAN_MEMBERSHIP_LEN); + memcpy(cmd.user_position, link_conf->mu_group.position, + WLAN_USER_POSITION_LEN); + + return iwl_mld_send_cmd_pdu(mld, + WIDE_ID(DATA_PATH_GROUP, + UPDATE_MU_GROUPS_CMD), + &cmd); +} + +static void +iwl_mld_mac80211_link_info_changed(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *link_conf, + u64 changes) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + + switch (vif->type) { + case NL80211_IFTYPE_STATION: + iwl_mld_mac80211_link_info_changed_sta(mld, vif, link_conf, + changes); + break; + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_ADHOC: + iwl_mld_link_info_changed_ap_ibss(mld, vif, link_conf, + changes); + break; + case NL80211_IFTYPE_MONITOR: + /* The firmware tracks this on its own in STATION mode, but + * obviously not in sniffer mode. + */ + if (changes & BSS_CHANGED_MU_GROUPS) + iwl_mld_update_mu_groups(mld, link_conf); + break; + default: + /* shouldn't happen */ + WARN_ON_ONCE(1); + } + + /* We now know our BSSID, we can configure the MAC context with + * eht_support if needed. + */ + if (changes & BSS_CHANGED_BSSID) + iwl_mld_mac_fw_action(mld, vif, FW_CTXT_ACTION_MODIFY); + + if (changes & BSS_CHANGED_TXPOWER) + iwl_mld_set_tx_power(mld, link_conf, link_conf->txpower); +} + +static void +iwl_mld_smps_workaround(struct iwl_mld *mld, struct ieee80211_vif *vif, bool enable) +{ + struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif); + bool workaround_required = + iwl_fw_lookup_cmd_ver(mld->fw, MAC_PM_POWER_TABLE, 0) < 2; + + if (!workaround_required) + return; + + /* Send the device-level power commands since the + * firmware checks the POWER_TABLE_CMD's POWER_SAVE_EN bit to + * determine SMPS mode. + */ + if (mld_vif->ps_disabled == !enable) + return; + + mld_vif->ps_disabled = !enable; + + iwl_mld_update_device_power(mld, false); +} + +static +void iwl_mld_mac80211_vif_cfg_changed(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + u64 changes) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + int ret; + + lockdep_assert_wiphy(mld->wiphy); + + if (vif->type != NL80211_IFTYPE_STATION) + return; + + if (changes & BSS_CHANGED_ASSOC) { + ret = iwl_mld_mac_fw_action(mld, vif, FW_CTXT_ACTION_MODIFY); + if (ret) + IWL_ERR(mld, "failed to update context\n"); + + if (vif->cfg.assoc) { + /* Clear statistics to get clean beacon counter, and + * ask for periodic statistics, as they are needed for + * link selection and RX OMI decisions. + */ + iwl_mld_clear_stats_in_fw(mld); + iwl_mld_request_periodic_fw_stats(mld, true); + + iwl_mld_set_vif_associated(mld, vif); + } else { + iwl_mld_request_periodic_fw_stats(mld, false); + } + } + + if (changes & BSS_CHANGED_PS) { + iwl_mld_smps_workaround(mld, vif, vif->cfg.ps); + iwl_mld_update_mac_power(mld, vif, false); + } + + /* TODO: task=MLO BSS_CHANGED_MLD_VALID_LINKS/CHANGED_MLD_TTLM */ +} + +static int +iwl_mld_mac80211_hw_scan(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_scan_request *hw_req) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + int ret; + + if (WARN_ON(!hw_req->req.n_channels || + hw_req->req.n_channels > + mld->fw->ucode_capa.n_scan_channels)) + return -EINVAL; + + ret = iwl_mld_regular_scan_start(mld, vif, &hw_req->req, &hw_req->ies); + if (!ret) { + /* We will be busy with scanning, so the counters may not reflect the + * reality. Stop checking the counters until the scan ends + */ + iwl_mld_start_ignoring_tpt_updates(mld); + } + + return ret; +} + +static void +iwl_mld_mac80211_cancel_hw_scan(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + + /* Due to a race condition, it's possible that mac80211 asks + * us to stop a hw_scan when it's already stopped. This can + * happen, for instance, if we stopped the scan ourselves, + * called ieee80211_scan_completed() and the userspace called + * cancel scan before ieee80211_scan_work() could run. + * To handle that, simply return if the scan is not running. + */ + if (mld->scan.status & IWL_MLD_SCAN_REGULAR) { + iwl_mld_scan_stop(mld, IWL_MLD_SCAN_REGULAR, true); + /* Scan is over, we can check again the tpt counters */ + iwl_mld_stop_ignoring_tpt_updates(mld); + } +} + +static int +iwl_mld_mac80211_sched_scan_start(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct cfg80211_sched_scan_request *req, + struct ieee80211_scan_ies *ies) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + + return iwl_mld_sched_scan_start(mld, vif, req, ies, IWL_MLD_SCAN_SCHED); +} + +static int +iwl_mld_mac80211_sched_scan_stop(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + + /* Due to a race condition, it's possible that mac80211 asks + * us to stop a sched_scan when it's already stopped. This + * can happen, for instance, if we stopped the scan ourselves, + * called ieee80211_sched_scan_stopped() and the userspace called + * stop sched scan before ieee80211_sched_scan_stopped_work() + * could run. To handle this, simply return if the scan is + * not running. + */ + if (!(mld->scan.status & IWL_MLD_SCAN_SCHED)) + return 0; + + return iwl_mld_scan_stop(mld, IWL_MLD_SCAN_SCHED, false); +} + +static void +iwl_mld_mac80211_reconfig_complete(struct ieee80211_hw *hw, + enum ieee80211_reconfig_type reconfig_type) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + + switch (reconfig_type) { + case IEEE80211_RECONFIG_TYPE_RESTART: + mld->fw_status.in_hw_restart = false; + iwl_mld_send_recovery_cmd(mld, ERROR_RECOVERY_END_OF_RECOVERY); + iwl_trans_finish_sw_reset(mld->trans); + /* no need to lock, adding in parallel would schedule too */ + if (!list_empty(&mld->txqs_to_add)) + wiphy_work_queue(mld->wiphy, &mld->add_txqs_wk); + + IWL_INFO(mld, "restart completed\n"); + break; + case IEEE80211_RECONFIG_TYPE_SUSPEND: + break; + } +} + +static +void iwl_mld_mac80211_mgd_prepare_tx(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_prep_tx_info *info) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + u32 duration = IWL_MLD_SESSION_PROTECTION_ASSOC_TIME_MS; + + /* After a successful association the connection is established + * and we can rely on the quota to send the disassociation frame. + */ + if (info->was_assoc) + return; + + if (info->duration > duration) + duration = info->duration; + + iwl_mld_schedule_session_protection(mld, vif, duration, + IWL_MLD_SESSION_PROTECTION_MIN_TIME_MS, + info->link_id); +} + +static +void iwl_mld_mac_mgd_complete_tx(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_prep_tx_info *info) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + + /* Successful authentication is the only case that requires to let + * the session protection go. We'll need it for the upcoming + * association. For all the other cases, we need to cancel the session + * protection. + * After successful association the connection is established and + * further mgd tx can rely on the quota. + */ + if (info->success && info->subtype == IEEE80211_STYPE_AUTH) + return; + + /* The firmware will be on medium after we configure the vif as + * associated. Removing the session protection allows the firmware + * to stop being on medium. In order to ensure the continuity of our + * presence on medium, we need first to configure the vif as associated + * and only then, remove the session protection. + * Currently, mac80211 calls vif_cfg_changed() first and then, + * drv_mgd_complete_tx(). Ensure that this assumption stays true by + * a warning. + */ + WARN_ON(info->success && + (info->subtype == IEEE80211_STYPE_ASSOC_REQ || + info->subtype == IEEE80211_STYPE_REASSOC_REQ) && + !vif->cfg.assoc); + + iwl_mld_cancel_session_protection(mld, vif, info->link_id); +} + +static int +iwl_mld_mac80211_conf_tx(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + unsigned int link_id, u16 ac, + const struct ieee80211_tx_queue_params *params) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif); + struct iwl_mld_link *link; + + lockdep_assert_wiphy(mld->wiphy); + + link = iwl_mld_link_dereference_check(mld_vif, link_id); + if (!link) + return -EINVAL; + + link->queue_params[ac] = *params; + + /* No need to update right away, we'll get BSS_CHANGED_QOS + * The exception is P2P_DEVICE interface which needs immediate update. + */ + if (vif->type == NL80211_IFTYPE_P2P_DEVICE) + iwl_mld_change_link_in_fw(mld, &vif->bss_conf, + LINK_CONTEXT_MODIFY_QOS_PARAMS); + + return 0; +} + +static void iwl_mld_set_uapsd(struct iwl_mld *mld, struct ieee80211_vif *vif) +{ + vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; + + if (vif->type != NL80211_IFTYPE_STATION) + return; + + if (vif->p2p && + !(iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_P2P_CLIENT)) + vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; + + if (!vif->p2p && + !(iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) + vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; +} + +int iwl_mld_tdls_sta_count(struct iwl_mld *mld) +{ + int count = 0; + + lockdep_assert_wiphy(mld->wiphy); + + for (int i = 0; i < mld->fw->ucode_capa.num_stations; i++) { + struct ieee80211_link_sta *link_sta; + + link_sta = wiphy_dereference(mld->wiphy, + mld->fw_id_to_link_sta[i]); + if (IS_ERR_OR_NULL(link_sta)) + continue; + + if (!link_sta->sta->tdls) + continue; + + count++; + } + + return count; +} + +static void iwl_mld_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy, + struct cfg80211_bss *bss, + void *_data) +{ + bool *tolerated = _data; + const struct cfg80211_bss_ies *ies; + const struct element *elem; + + rcu_read_lock(); + ies = rcu_dereference(bss->ies); + elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, ies->data, + ies->len); + + if (!elem || elem->datalen < 10 || + !(elem->data[10] & + WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) { + *tolerated = false; + } + rcu_read_unlock(); +} + +static void +iwl_mld_check_he_obss_narrow_bw_ru(struct iwl_mld *mld, + struct iwl_mld_link *mld_link, + struct ieee80211_bss_conf *link_conf) +{ + bool tolerated = true; + + if (WARN_ON_ONCE(!link_conf->chanreq.oper.chan)) + return; + + if (!(link_conf->chanreq.oper.chan->flags & IEEE80211_CHAN_RADAR)) { + mld_link->he_ru_2mhz_block = false; + return; + } + + cfg80211_bss_iter(mld->wiphy, &link_conf->chanreq.oper, + iwl_mld_check_he_obss_narrow_bw_ru_iter, &tolerated); + + /* If there is at least one AP on radar channel that cannot + * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU. + */ + mld_link->he_ru_2mhz_block = !tolerated; +} + +static void iwl_mld_link_set_2mhz_block(struct iwl_mld *mld, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct ieee80211_link_sta *link_sta; + unsigned int link_id; + + for_each_sta_active_link(vif, sta, link_sta, link_id) { + struct ieee80211_bss_conf *link_conf = + link_conf_dereference_protected(vif, link_id); + struct iwl_mld_link *mld_link = + iwl_mld_link_from_mac80211(link_conf); + + if (WARN_ON(!link_conf || !mld_link)) + continue; + + if (link_sta->he_cap.has_he) + iwl_mld_check_he_obss_narrow_bw_ru(mld, mld_link, + link_conf); + } +} + +static int iwl_mld_move_sta_state_up(struct iwl_mld *mld, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + enum ieee80211_sta_state old_state, + enum ieee80211_sta_state new_state) +{ + struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif); + int tdls_count = 0; + int ret; + + if (old_state == IEEE80211_STA_NOTEXIST && + new_state == IEEE80211_STA_NONE) { + if (sta->tdls) { + if (vif->p2p || hweight8(mld->used_phy_ids) != 1) + return -EBUSY; + + tdls_count = iwl_mld_tdls_sta_count(mld); + if (tdls_count >= IWL_TDLS_STA_COUNT) + return -EBUSY; + } + + ret = iwl_mld_add_sta(mld, sta, vif, STATION_TYPE_PEER); + if (ret) + return ret; + + /* just added first TDLS STA, so disable PM */ + if (sta->tdls && tdls_count == 0) + iwl_mld_update_mac_power(mld, vif, false); + + if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) + mld_vif->ap_sta = sta; + + /* Initialize TLC here already - this really tells + * the firmware only what the supported legacy rates are + * (may be) since it's initialized already from what the + * AP advertised in the beacon/probe response. This will + * allow the firmware to send auth/assoc frames with one + * of the supported rates already, rather than having to + * use a mandatory rate. + * If we're the AP, we'll just assume mandatory rates at + * this point, but we know nothing about the STA anyway. + */ + iwl_mld_config_tlc(mld, vif, sta); + + return ret; + } else if (old_state == IEEE80211_STA_NONE && + new_state == IEEE80211_STA_AUTH) { + iwl_mld_set_uapsd(mld, vif); + return 0; + } else if (old_state == IEEE80211_STA_AUTH && + new_state == IEEE80211_STA_ASSOC) { + ret = iwl_mld_update_all_link_stations(mld, sta); + + if (vif->type == NL80211_IFTYPE_STATION) + iwl_mld_link_set_2mhz_block(mld, vif, sta); + /* Now the link_sta's capabilities are set, update the FW */ + iwl_mld_config_tlc(mld, vif, sta); + + if (vif->type == NL80211_IFTYPE_AP) { + /* Update MAC_CFG_FILTER_ACCEPT_BEACON if at least + * one sta is associated + */ + if (++mld_vif->num_associated_stas == 1) + ret = iwl_mld_mac_fw_action(mld, vif, + FW_CTXT_ACTION_MODIFY); + } + + return ret; + } else if (old_state == IEEE80211_STA_ASSOC && + new_state == IEEE80211_STA_AUTHORIZED) { + ret = 0; + + if (!sta->tdls) { + mld_vif->authorized = true; + + /* Ensure any block due to a non-BSS link is synced */ + iwl_mld_emlsr_check_non_bss_block(mld, 0); + + /* Block EMLSR until a certain throughput it reached */ + if (!mld->fw_status.in_hw_restart && + IWL_MLD_ENTER_EMLSR_TPT_THRESH > 0) + iwl_mld_block_emlsr(mld_vif->mld, vif, + IWL_MLD_EMLSR_BLOCKED_TPT, + 0); + + /* clear COEX_HIGH_PRIORITY_ENABLE */ + ret = iwl_mld_mac_fw_action(mld, vif, + FW_CTXT_ACTION_MODIFY); + if (ret) + return ret; + iwl_mld_smps_workaround(mld, vif, vif->cfg.ps); + } + + /* MFP is set by default before the station is authorized. + * Clear it here in case it's not used. + */ + if (!sta->mfp) + ret = iwl_mld_update_all_link_stations(mld, sta); + + /* We can use wide bandwidth now, not only 20 MHz */ + iwl_mld_config_tlc(mld, vif, sta); + + return ret; + } else { + return -EINVAL; + } +} + +static int iwl_mld_move_sta_state_down(struct iwl_mld *mld, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + enum ieee80211_sta_state old_state, + enum ieee80211_sta_state new_state) +{ + struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif); + + if (old_state == IEEE80211_STA_AUTHORIZED && + new_state == IEEE80211_STA_ASSOC) { + if (!sta->tdls) { + mld_vif->authorized = false; + + memset(&mld_vif->emlsr.zeroed_on_not_authorized, 0, + sizeof(mld_vif->emlsr.zeroed_on_not_authorized)); + + wiphy_delayed_work_cancel(mld->wiphy, + &mld_vif->emlsr.prevent_done_wk); + wiphy_delayed_work_cancel(mld->wiphy, + &mld_vif->emlsr.tmp_non_bss_done_wk); + wiphy_work_cancel(mld->wiphy, &mld_vif->emlsr.unblock_tpt_wk); + wiphy_delayed_work_cancel(mld->wiphy, + &mld_vif->emlsr.check_tpt_wk); + + iwl_mld_reset_cca_40mhz_workaround(mld, vif); + iwl_mld_smps_workaround(mld, vif, true); + } + + /* once we move into assoc state, need to update the FW to + * stop using wide bandwidth + */ + iwl_mld_config_tlc(mld, vif, sta); + } else if (old_state == IEEE80211_STA_ASSOC && + new_state == IEEE80211_STA_AUTH) { + if (vif->type == NL80211_IFTYPE_AP && + !WARN_ON(!mld_vif->num_associated_stas)) { + /* Update MAC_CFG_FILTER_ACCEPT_BEACON if the last sta + * is disassociating + */ + if (--mld_vif->num_associated_stas == 0) + iwl_mld_mac_fw_action(mld, vif, + FW_CTXT_ACTION_MODIFY); + } + } else if (old_state == IEEE80211_STA_AUTH && + new_state == IEEE80211_STA_NONE) { + /* nothing */ + } else if (old_state == IEEE80211_STA_NONE && + new_state == IEEE80211_STA_NOTEXIST) { + iwl_mld_remove_sta(mld, sta); + + if (sta->tdls && iwl_mld_tdls_sta_count(mld) == 0) { + /* just removed last TDLS STA, so enable PM */ + iwl_mld_update_mac_power(mld, vif, false); + } + } else { + return -EINVAL; + } + return 0; +} + +static int iwl_mld_mac80211_sta_state(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + enum ieee80211_sta_state old_state, + enum ieee80211_sta_state new_state) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + struct iwl_mld_sta *mld_sta = iwl_mld_sta_from_mac80211(sta); + + IWL_DEBUG_MAC80211(mld, "station %pM state change %d->%d\n", + sta->addr, old_state, new_state); + + mld_sta->sta_state = new_state; + + if (old_state < new_state) + return iwl_mld_move_sta_state_up(mld, vif, sta, old_state, + new_state); + else + return iwl_mld_move_sta_state_down(mld, vif, sta, old_state, + new_state); +} + +static void iwl_mld_mac80211_flush(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + u32 queues, bool drop) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + + /* Make sure we're done with the deferred traffic before flushing */ + iwl_mld_add_txq_list(mld); + + for (int i = 0; i < mld->fw->ucode_capa.num_stations; i++) { + struct ieee80211_link_sta *link_sta = + wiphy_dereference(mld->wiphy, + mld->fw_id_to_link_sta[i]); + + if (IS_ERR_OR_NULL(link_sta)) + continue; + + /* Check that the sta belongs to the given vif */ + if (vif && vif != iwl_mld_sta_from_mac80211(link_sta->sta)->vif) + continue; + + if (drop) + iwl_mld_flush_sta_txqs(mld, link_sta->sta); + else + iwl_mld_wait_sta_txqs_empty(mld, link_sta->sta); + } +} + +static void iwl_mld_mac80211_flush_sta(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + + iwl_mld_flush_sta_txqs(mld, sta); +} + +static int +iwl_mld_mac80211_ampdu_action(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_ampdu_params *params) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + struct ieee80211_sta *sta = params->sta; + enum ieee80211_ampdu_mlme_action action = params->action; + u16 tid = params->tid; + u16 ssn = params->ssn; + u16 buf_size = params->buf_size; + u16 timeout = params->timeout; + int ret; + + IWL_DEBUG_HT(mld, "A-MPDU action on addr %pM tid: %d action: %d\n", + sta->addr, tid, action); + + switch (action) { + case IEEE80211_AMPDU_RX_START: + if (!iwl_enable_rx_ampdu()) { + ret = -EINVAL; + break; + } + ret = iwl_mld_ampdu_rx_start(mld, sta, tid, ssn, buf_size, + timeout); + break; + case IEEE80211_AMPDU_RX_STOP: + ret = iwl_mld_ampdu_rx_stop(mld, sta, tid); + break; + default: + /* The mac80211 TX_AMPDU_SETUP_IN_HW flag is set for all + * devices, since all support TX A-MPDU offload in hardware. + * Therefore, no TX action should be requested here. + */ + WARN_ON_ONCE(1); + return -EINVAL; + } + + return ret; +} + +static bool iwl_mld_can_hw_csum(struct sk_buff *skb) +{ + u8 protocol = ip_hdr(skb)->protocol; + + return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; +} + +static bool iwl_mld_mac80211_can_aggregate(struct ieee80211_hw *hw, + struct sk_buff *head, + struct sk_buff *skb) +{ + if (!IS_ENABLED(CONFIG_INET)) + return false; + + /* For now don't aggregate IPv6 in AMSDU */ + if (skb->protocol != htons(ETH_P_IP)) + return false; + + /* Allow aggregation only if both frames have the same HW csum offload + * capability, ensuring consistent HW or SW csum handling in A-MSDU. + */ + return iwl_mld_can_hw_csum(skb) == iwl_mld_can_hw_csum(head); +} + +static void iwl_mld_mac80211_sync_rx_queues(struct ieee80211_hw *hw) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + + iwl_mld_sync_rx_queues(mld, IWL_MLD_RXQ_EMPTY, NULL, 0); +} + +static void iwl_mld_sta_rc_update(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_link_sta *link_sta, + u32 changed) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + + if (changed & (IEEE80211_RC_BW_CHANGED | + IEEE80211_RC_SUPP_RATES_CHANGED | + IEEE80211_RC_NSS_CHANGED)) { + struct ieee80211_bss_conf *link = + link_conf_dereference_check(vif, link_sta->link_id); + + if (WARN_ON(!link)) + return; + + iwl_mld_config_tlc_link(mld, vif, link, link_sta); + } +} + +#ifdef CONFIG_PM_SLEEP +static void iwl_mld_set_wakeup(struct ieee80211_hw *hw, bool enabled) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + + device_set_wakeup_enable(mld->trans->dev, enabled); +} + +/* Returns 0 on success. 1 if failed to suspend with wowlan: + * If the circumstances didn't satisfy the conditions for suspension + * with wowlan, mac80211 would use the no_wowlan flow. + * If an error had occurred we update the trans status and state here + * and the result will be stopping the FW. + */ +static int +iwl_mld_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + int ret; + + iwl_fw_runtime_suspend(&mld->fwrt); + + ret = iwl_mld_wowlan_suspend(mld, wowlan); + if (ret) { + if (ret < 0) { + mld->trans->state = IWL_TRANS_NO_FW; + set_bit(STATUS_FW_ERROR, &mld->trans->status); + } + return 1; + } + + if (iwl_mld_no_wowlan_suspend(mld)) + return 1; + + return 0; +} + +static int iwl_mld_resume(struct ieee80211_hw *hw) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + int ret; + + ret = iwl_mld_wowlan_resume(mld); + if (ret) + return ret; + + iwl_fw_runtime_resume(&mld->fwrt); + + iwl_mld_low_latency_restart(mld); + + return 0; +} +#endif + +static int iwl_mld_alloc_ptk_pn(struct iwl_mld *mld, + struct iwl_mld_sta *mld_sta, + struct ieee80211_key_conf *key, + struct iwl_mld_ptk_pn **ptk_pn) +{ + u8 num_rx_queues = mld->trans->info.num_rxqs; + int keyidx = key->keyidx; + struct ieee80211_key_seq seq; + + if (WARN_ON(keyidx >= ARRAY_SIZE(mld_sta->ptk_pn))) + return -EINVAL; + + WARN_ON(rcu_access_pointer(mld_sta->ptk_pn[keyidx])); + *ptk_pn = kzalloc(struct_size(*ptk_pn, q, num_rx_queues), + GFP_KERNEL); + if (!*ptk_pn) + return -ENOMEM; + + for (u8 tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { + ieee80211_get_key_rx_seq(key, tid, &seq); + for (u8 q = 0; q < num_rx_queues; q++) + memcpy((*ptk_pn)->q[q].pn[tid], seq.ccmp.pn, + IEEE80211_CCMP_PN_LEN); + } + + rcu_assign_pointer(mld_sta->ptk_pn[keyidx], *ptk_pn); + + return 0; +} + +static int iwl_mld_set_key_add(struct iwl_mld *mld, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key) +{ + struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif); + struct iwl_mld_sta *mld_sta = + sta ? iwl_mld_sta_from_mac80211(sta) : NULL; + struct iwl_mld_ptk_pn *ptk_pn = NULL; + int keyidx = key->keyidx; + int ret; + + /* Will be set to 0 if added successfully */ + key->hw_key_idx = STA_KEY_IDX_INVALID; + + switch (key->cipher) { + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: + IWL_DEBUG_MAC80211(mld, "Use SW encryption for WEP\n"); + return -EOPNOTSUPP; + case WLAN_CIPHER_SUITE_TKIP: + if (vif->type == NL80211_IFTYPE_STATION) { + key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; + break; + } + IWL_DEBUG_MAC80211(mld, "Use SW encryption for TKIP\n"); + return -EOPNOTSUPP; + case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_GCMP: + case WLAN_CIPHER_SUITE_GCMP_256: + case WLAN_CIPHER_SUITE_AES_CMAC: + case WLAN_CIPHER_SUITE_BIP_GMAC_128: + case WLAN_CIPHER_SUITE_BIP_GMAC_256: + break; + default: + return -EOPNOTSUPP; + } + + if (vif->type == NL80211_IFTYPE_STATION && + (keyidx == 6 || keyidx == 7)) + rcu_assign_pointer(mld_vif->bigtks[keyidx - 6], key); + + /* After exiting from RFKILL, hostapd configures GTK/ITGK before the + * AP is started, but those keys can't be sent to the FW before the + * MCAST/BCAST STAs are added to it (which happens upon AP start). + * Store it here to be sent later when the AP is started. + */ + if ((vif->type == NL80211_IFTYPE_ADHOC || + vif->type == NL80211_IFTYPE_AP) && !sta && + !mld_vif->ap_ibss_active) + return iwl_mld_store_ap_early_key(mld, key, mld_vif); + + if (!mld->fw_status.in_hw_restart && mld_sta && + key->flags & IEEE80211_KEY_FLAG_PAIRWISE && + (key->cipher == WLAN_CIPHER_SUITE_CCMP || + key->cipher == WLAN_CIPHER_SUITE_GCMP || + key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { + ret = iwl_mld_alloc_ptk_pn(mld, mld_sta, key, &ptk_pn); + if (ret) + return ret; + } + + IWL_DEBUG_MAC80211(mld, "set hwcrypto key (sta:%pM, id:%d)\n", + sta ? sta->addr : NULL, keyidx); + + ret = iwl_mld_add_key(mld, vif, sta, key); + if (ret) { + IWL_WARN(mld, "set key failed (%d)\n", ret); + if (ptk_pn) { + RCU_INIT_POINTER(mld_sta->ptk_pn[keyidx], NULL); + kfree(ptk_pn); + } + + return -EOPNOTSUPP; + } + + return 0; +} + +static void iwl_mld_set_key_remove(struct iwl_mld *mld, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key) +{ + struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif); + struct iwl_mld_sta *mld_sta = + sta ? iwl_mld_sta_from_mac80211(sta) : NULL; + int keyidx = key->keyidx; + + if (vif->type == NL80211_IFTYPE_STATION && + (keyidx == 6 || keyidx == 7)) + RCU_INIT_POINTER(mld_vif->bigtks[keyidx - 6], NULL); + + if (mld_sta && key->flags & IEEE80211_KEY_FLAG_PAIRWISE && + (key->cipher == WLAN_CIPHER_SUITE_CCMP || + key->cipher == WLAN_CIPHER_SUITE_GCMP || + key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { + struct iwl_mld_ptk_pn *ptk_pn; + + if (WARN_ON(keyidx >= ARRAY_SIZE(mld_sta->ptk_pn))) + return; + + ptk_pn = wiphy_dereference(mld->wiphy, + mld_sta->ptk_pn[keyidx]); + RCU_INIT_POINTER(mld_sta->ptk_pn[keyidx], NULL); + if (!WARN_ON(!ptk_pn)) + kfree_rcu(ptk_pn, rcu_head); + } + + /* if this key was stored to be added later to the FW - free it here */ + if (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) + iwl_mld_free_ap_early_key(mld, key, mld_vif); + + /* We already removed it */ + if (key->hw_key_idx == STA_KEY_IDX_INVALID) + return; + + IWL_DEBUG_MAC80211(mld, "disable hwcrypto key\n"); + + iwl_mld_remove_key(mld, vif, sta, key); +} + +static int iwl_mld_mac80211_set_key(struct ieee80211_hw *hw, + enum set_key_cmd cmd, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + int ret; + + switch (cmd) { + case SET_KEY: + ret = iwl_mld_set_key_add(mld, vif, sta, key); + if (ret) + ret = -EOPNOTSUPP; + break; + case DISABLE_KEY: + iwl_mld_set_key_remove(mld, vif, sta, key); + ret = 0; + break; + default: + ret = -EINVAL; + break; + } + + return ret; +} + +static int +iwl_mld_pre_channel_switch(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_channel_switch *chsw) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif); + struct iwl_mld_link *mld_link = + iwl_mld_link_dereference_check(mld_vif, chsw->link_id); + u8 primary; + int selected; + + lockdep_assert_wiphy(mld->wiphy); + + if (WARN_ON(!mld_link)) + return -EINVAL; + + IWL_DEBUG_MAC80211(mld, "pre CSA to freq %d\n", + chsw->chandef.center_freq1); + + if (!iwl_mld_emlsr_active(vif)) + return 0; + + primary = iwl_mld_get_primary_link(vif); + + /* stay on the primary link unless it is undergoing a CSA with quiet */ + if (chsw->link_id == primary && chsw->block_tx) + selected = iwl_mld_get_other_link(vif, primary); + else + selected = primary; + + /* Remember to tell the firmware that this link can't tx + * Note that this logic seems to be unrelated to emlsr, but it + * really is needed only when emlsr is active. When we have a + * single link, the firmware will handle all this on its own. + * In multi-link scenarios, we can learn about the CSA from + * another link and this logic is too complex for the firmware + * to track. + * Since we want to de-activate the link that got a CSA with mode=1, + * we need to tell the firmware not to send any frame on that link + * as the firmware may not be aware that link is under a CSA + * with mode=1 (no Tx allowed). + */ + mld_link->silent_deactivation = chsw->block_tx; + iwl_mld_exit_emlsr(mld, vif, IWL_MLD_EMLSR_EXIT_CSA, selected); + + return 0; +} + +static void +iwl_mld_channel_switch(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_channel_switch *chsw) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + + /* By implementing this operation, we prevent mac80211 from + * starting its own channel switch timer, so that we can call + * ieee80211_chswitch_done() ourselves at the right time + * (Upon receiving the channel_switch_start notification from the fw) + */ + IWL_DEBUG_MAC80211(mld, + "dummy channel switch op\n"); +} + +static int +iwl_mld_post_channel_switch(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *link_conf) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + struct iwl_mld_link *mld_link = iwl_mld_link_from_mac80211(link_conf); + + lockdep_assert_wiphy(mld->wiphy); + + WARN_ON(mld_link->silent_deactivation); + + return 0; +} + +static void +iwl_mld_abort_channel_switch(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *link_conf) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + struct iwl_mld_link *mld_link = iwl_mld_link_from_mac80211(link_conf); + + IWL_DEBUG_MAC80211(mld, + "abort channel switch op\n"); + mld_link->silent_deactivation = false; +} + +static int +iwl_mld_switch_vif_chanctx_swap(struct ieee80211_hw *hw, + struct ieee80211_vif_chanctx_switch *vifs) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + int ret; + + iwl_mld_unassign_vif_chanctx(hw, vifs[0].vif, vifs[0].link_conf, + vifs[0].old_ctx); + iwl_mld_remove_chanctx(hw, vifs[0].old_ctx); + + ret = iwl_mld_add_chanctx(hw, vifs[0].new_ctx); + if (ret) { + IWL_ERR(mld, "failed to add new_ctx during channel switch\n"); + goto out_reassign; + } + + ret = iwl_mld_assign_vif_chanctx(hw, vifs[0].vif, vifs[0].link_conf, + vifs[0].new_ctx); + if (ret) { + IWL_ERR(mld, + "failed to assign new_ctx during channel switch\n"); + goto out_remove; + } + + return 0; + + out_remove: + iwl_mld_remove_chanctx(hw, vifs[0].new_ctx); + out_reassign: + if (iwl_mld_add_chanctx(hw, vifs[0].old_ctx)) { + IWL_ERR(mld, "failed to add old_ctx after failure\n"); + return ret; + } + + if (iwl_mld_assign_vif_chanctx(hw, vifs[0].vif, vifs[0].link_conf, + vifs[0].old_ctx)) + IWL_ERR(mld, "failed to reassign old_ctx after failure\n"); + + return ret; +} + +static int +iwl_mld_switch_vif_chanctx_reassign(struct ieee80211_hw *hw, + struct ieee80211_vif_chanctx_switch *vifs) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + int ret; + + iwl_mld_unassign_vif_chanctx(hw, vifs[0].vif, vifs[0].link_conf, + vifs[0].old_ctx); + ret = iwl_mld_assign_vif_chanctx(hw, vifs[0].vif, vifs[0].link_conf, + vifs[0].new_ctx); + if (ret) { + IWL_ERR(mld, + "failed to assign new_ctx during channel switch\n"); + goto out_reassign; + } + + return 0; + +out_reassign: + if (iwl_mld_assign_vif_chanctx(hw, vifs[0].vif, vifs[0].link_conf, + vifs[0].old_ctx)) + IWL_ERR(mld, "failed to reassign old_ctx after failure\n"); + + return ret; +} + +static int +iwl_mld_switch_vif_chanctx(struct ieee80211_hw *hw, + struct ieee80211_vif_chanctx_switch *vifs, + int n_vifs, + enum ieee80211_chanctx_switch_mode mode) +{ + int ret; + + /* we only support a single-vif right now */ + if (n_vifs > 1) + return -EOPNOTSUPP; + + switch (mode) { + case CHANCTX_SWMODE_SWAP_CONTEXTS: + ret = iwl_mld_switch_vif_chanctx_swap(hw, vifs); + break; + case CHANCTX_SWMODE_REASSIGN_VIF: + ret = iwl_mld_switch_vif_chanctx_reassign(hw, vifs); + break; + default: + ret = -EOPNOTSUPP; + break; + } + + return ret; +} + +static void iwl_mld_sta_pre_rcu_remove(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + struct iwl_mld_sta *mld_sta = iwl_mld_sta_from_mac80211(sta); + struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif); + struct iwl_mld_link_sta *mld_link_sta; + u8 link_id; + + lockdep_assert_wiphy(mld->wiphy); + + /* This is called before mac80211 does RCU synchronisation, + * so here we already invalidate our internal RCU-protected + * station pointer. The rest of the code will thus no longer + * be able to find the station this way, and we don't rely + * on further RCU synchronisation after the sta_state() + * callback deleted the station. + */ + for_each_mld_link_sta(mld_sta, mld_link_sta, link_id) + RCU_INIT_POINTER(mld->fw_id_to_link_sta[mld_link_sta->fw_id], + NULL); + + if (sta == mld_vif->ap_sta) + mld_vif->ap_sta = NULL; +} + +static void +iwl_mld_mac80211_mgd_protect_tdls_discover(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + unsigned int link_id) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + struct ieee80211_bss_conf *link_conf; + u32 duration; + int ret; + + link_conf = wiphy_dereference(hw->wiphy, vif->link_conf[link_id]); + if (WARN_ON_ONCE(!link_conf)) + return; + + /* Protect the session to hear the TDLS setup response on the channel */ + + duration = 2 * link_conf->dtim_period * link_conf->beacon_int; + + ret = iwl_mld_start_session_protection(mld, vif, duration, duration, + link_id, HZ / 5); + if (ret) + IWL_ERR(mld, + "Failed to start session protection for TDLS: %d\n", + ret); +} + +static bool iwl_mld_can_activate_links(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + u16 desired_links) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + int n_links = hweight16(desired_links); + + /* Check if HW supports the wanted number of links */ + return n_links <= iwl_mld_max_active_links(mld, vif); +} + +static int +iwl_mld_change_vif_links(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + u16 old_links, u16 new_links, + struct ieee80211_bss_conf *old[IEEE80211_MLD_MAX_NUM_LINKS]) +{ + struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif); + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + struct ieee80211_bss_conf *link_conf; + u16 removed = old_links & ~new_links; + u16 added = new_links & ~old_links; + int err; + + lockdep_assert_wiphy(mld->wiphy); + + /* + * No bits designate non-MLO mode. We can handle MLO exit/enter by + * simply mapping that to link ID zero internally. + * Note that mac80211 does such a non-MLO to MLO switch during restart + * if it was in MLO before. In that case, we do not have a link to + * remove. + */ + if (old_links == 0 && !mld->fw_status.in_hw_restart) + removed |= BIT(0); + + if (new_links == 0) + added |= BIT(0); + + for (int i = 0; i < IEEE80211_MLD_MAX_NUM_LINKS; i++) { + if (removed & BIT(i) && !WARN_ON(!old[i])) + iwl_mld_remove_link(mld, old[i]); + } + + for (int i = 0; i < IEEE80211_MLD_MAX_NUM_LINKS; i++) { + if (added & BIT(i)) { + link_conf = link_conf_dereference_protected(vif, i); + if (!link_conf) { + err = -EINVAL; + goto remove_added_links; + } + + err = iwl_mld_add_link(mld, link_conf); + if (err) + goto remove_added_links; + } + } + + /* + * Ensure we always have a valid primary_link. When using multiple + * links the proper value is set in assign_vif_chanctx. + */ + mld_vif->emlsr.primary = new_links ? __ffs(new_links) : 0; + + /* + * Special MLO restart case. We did not have a link when the interface + * was added, so do the power configuration now. + */ + if (old_links == 0 && mld->fw_status.in_hw_restart) + iwl_mld_update_mac_power(mld, vif, false); + + return 0; + +remove_added_links: + for (int i = 0; i < IEEE80211_MLD_MAX_NUM_LINKS; i++) { + if (!(added & BIT(i))) + continue; + + link_conf = link_conf_dereference_protected(vif, i); + if (!link_conf || !iwl_mld_link_from_mac80211(link_conf)) + continue; + + iwl_mld_remove_link(mld, link_conf); + } + + if (WARN_ON(!iwl_mld_error_before_recovery(mld))) + return err; + + /* reconfig will fix us anyway */ + return 0; +} + +static int iwl_mld_change_sta_links(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + u16 old_links, u16 new_links) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + + return iwl_mld_update_link_stas(mld, vif, sta, old_links, new_links); +} + +static int iwl_mld_mac80211_join_ibss(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + return iwl_mld_start_ap_ibss(hw, vif, &vif->bss_conf); +} + +static void iwl_mld_mac80211_leave_ibss(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + return iwl_mld_stop_ap_ibss(hw, vif, &vif->bss_conf); +} + +static int iwl_mld_mac80211_tx_last_beacon(struct ieee80211_hw *hw) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + + return mld->ibss_manager; +} + +static void iwl_mld_prep_add_interface(struct ieee80211_hw *hw, + enum nl80211_iftype type) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + + IWL_DEBUG_MAC80211(mld, "prep_add_interface: type=%u\n", type); + + if (!(type == NL80211_IFTYPE_AP || + type == NL80211_IFTYPE_P2P_GO || + type == NL80211_IFTYPE_P2P_CLIENT)) + return; + + iwl_mld_emlsr_block_tmp_non_bss(mld); +} + +static int iwl_mld_set_hw_timestamp(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct cfg80211_set_hw_timestamp *hwts) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + u32 protocols = 0; + + /* HW timestamping is only supported for a specific station */ + if (!hwts->macaddr) + return -EOPNOTSUPP; + + if (hwts->enable) + protocols = + IWL_TIME_SYNC_PROTOCOL_TM | IWL_TIME_SYNC_PROTOCOL_FTM; + + return iwl_mld_time_sync_config(mld, hwts->macaddr, protocols); +} + +static int iwl_mld_start_pmsr(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct cfg80211_pmsr_request *request) +{ + struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); + + return iwl_mld_ftm_start(mld, vif, request); +} + +static enum ieee80211_neg_ttlm_res +iwl_mld_can_neg_ttlm(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_neg_ttlm *neg_ttlm) +{ + u16 map; + + /* Verify all TIDs are mapped to the same links set */ + map = neg_ttlm->downlink[0]; + for (int i = 0; i < IEEE80211_TTLM_NUM_TIDS; i++) { + if (neg_ttlm->downlink[i] != neg_ttlm->uplink[i] || + neg_ttlm->uplink[i] != map) + return NEG_TTLM_RES_REJECT; + } + + return NEG_TTLM_RES_ACCEPT; +} + +const struct ieee80211_ops iwl_mld_hw_ops = { + .tx = iwl_mld_mac80211_tx, + .start = iwl_mld_mac80211_start, + .stop = iwl_mld_mac80211_stop, + .config = iwl_mld_mac80211_config, + .add_interface = iwl_mld_mac80211_add_interface, + .remove_interface = iwl_mld_mac80211_remove_interface, + .conf_tx = iwl_mld_mac80211_conf_tx, + .prepare_multicast = iwl_mld_mac80211_prepare_multicast, + .configure_filter = iwl_mld_mac80211_configure_filter, + .reconfig_complete = iwl_mld_mac80211_reconfig_complete, + .wake_tx_queue = iwl_mld_mac80211_wake_tx_queue, + .add_chanctx = iwl_mld_add_chanctx, + .remove_chanctx = iwl_mld_remove_chanctx, + .change_chanctx = iwl_mld_change_chanctx, + .assign_vif_chanctx = iwl_mld_assign_vif_chanctx, + .unassign_vif_chanctx = iwl_mld_unassign_vif_chanctx, + .set_rts_threshold = iwl_mld_mac80211_set_rts_threshold, + .link_info_changed = iwl_mld_mac80211_link_info_changed, + .vif_cfg_changed = iwl_mld_mac80211_vif_cfg_changed, + .set_key = iwl_mld_mac80211_set_key, + .hw_scan = iwl_mld_mac80211_hw_scan, + .cancel_hw_scan = iwl_mld_mac80211_cancel_hw_scan, + .sched_scan_start = iwl_mld_mac80211_sched_scan_start, + .sched_scan_stop = iwl_mld_mac80211_sched_scan_stop, + .mgd_prepare_tx = iwl_mld_mac80211_mgd_prepare_tx, + .mgd_complete_tx = iwl_mld_mac_mgd_complete_tx, + .sta_state = iwl_mld_mac80211_sta_state, + .sta_statistics = iwl_mld_mac80211_sta_statistics, + .get_survey = iwl_mld_mac80211_get_survey, + .flush = iwl_mld_mac80211_flush, + .flush_sta = iwl_mld_mac80211_flush_sta, + .ampdu_action = iwl_mld_mac80211_ampdu_action, + .can_aggregate_in_amsdu = iwl_mld_mac80211_can_aggregate, + .sync_rx_queues = iwl_mld_mac80211_sync_rx_queues, + .link_sta_rc_update = iwl_mld_sta_rc_update, + .start_ap = iwl_mld_start_ap_ibss, + .stop_ap = iwl_mld_stop_ap_ibss, + .pre_channel_switch = iwl_mld_pre_channel_switch, + .channel_switch = iwl_mld_channel_switch, + .post_channel_switch = iwl_mld_post_channel_switch, + .abort_channel_switch = iwl_mld_abort_channel_switch, + .switch_vif_chanctx = iwl_mld_switch_vif_chanctx, + .sta_pre_rcu_remove = iwl_mld_sta_pre_rcu_remove, + .remain_on_channel = iwl_mld_start_roc, + .cancel_remain_on_channel = iwl_mld_cancel_roc, + .can_activate_links = iwl_mld_can_activate_links, + .change_vif_links = iwl_mld_change_vif_links, + .change_sta_links = iwl_mld_change_sta_links, +#ifdef CONFIG_PM_SLEEP + .suspend = iwl_mld_suspend, + .resume = iwl_mld_resume, + .set_wakeup = iwl_mld_set_wakeup, + .set_rekey_data = iwl_mld_set_rekey_data, +#if IS_ENABLED(CONFIG_IPV6) + .ipv6_addr_change = iwl_mld_ipv6_addr_change, +#endif /* IS_ENABLED(CONFIG_IPV6) */ +#endif /* CONFIG_PM_SLEEP */ +#ifdef CONFIG_IWLWIFI_DEBUGFS + .vif_add_debugfs = iwl_mld_add_vif_debugfs, + .link_add_debugfs = iwl_mld_add_link_debugfs, + .link_sta_add_debugfs = iwl_mld_add_link_sta_debugfs, +#endif + .mgd_protect_tdls_discover = iwl_mld_mac80211_mgd_protect_tdls_discover, + .join_ibss = iwl_mld_mac80211_join_ibss, + .leave_ibss = iwl_mld_mac80211_leave_ibss, + .tx_last_beacon = iwl_mld_mac80211_tx_last_beacon, + .prep_add_interface = iwl_mld_prep_add_interface, + .set_hw_timestamp = iwl_mld_set_hw_timestamp, + .start_pmsr = iwl_mld_start_pmsr, + .can_neg_ttlm = iwl_mld_can_neg_ttlm, +}; 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