| /****************************************************************************** |
| * |
| * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. |
| * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH |
| * Copyright(c) 2016 - 2017 Intel Deutschland GmbH |
| * Copyright(c) 2018 Intel Corporation |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name Intel Corporation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| *****************************************************************************/ |
| |
| #include <fuchsia/hardware/wlan/associnfo/c/banjo.h> |
| #include <string.h> |
| #include <zircon/status.h> |
| |
| #include <ddk/hw/wlan/ieee80211/c/banjo.h> |
| |
| #include "third_party/iwlwifi/fw/api/nan.h" |
| #include "third_party/iwlwifi/fw/error-dump.h" |
| #include "third_party/iwlwifi/iwl-eeprom-parse.h" |
| #include "third_party/iwlwifi/iwl-io.h" |
| #include "third_party/iwlwifi/iwl-nvm-parse.h" |
| #include "third_party/iwlwifi/iwl-op-mode.h" |
| #include "third_party/iwlwifi/iwl-phy-db.h" |
| #include "third_party/iwlwifi/iwl-prph.h" |
| #include "third_party/iwlwifi/iwl-vendor-cmd.h" |
| #include "third_party/iwlwifi/mvm/mvm.h" |
| #include "third_party/iwlwifi/mvm/sta.h" |
| #include "third_party/iwlwifi/mvm/time-event.h" |
| #include "third_party/iwlwifi/mvm/tof.h" |
| #include "third_party/iwlwifi/platform/ieee80211_include.h" |
| #include "third_party/iwlwifi/platform/rcu.h" |
| #ifdef CPTCFG_IWLWIFI_DEVICE_TESTMODE |
| #include "third_party/iwlwifi/iwl-dnt-cfg.h" |
| #include "third_party/iwlwifi/iwl-dnt-dispatch.h" |
| #endif |
| #ifdef CPTCFG_NL80211_TESTMODE |
| #include "third_party/iwlwifi/fw/testmode.h" |
| #endif |
| |
| #if 0 // NEEDS_PORTING |
| static const struct ieee80211_iface_limit iwl_mvm_limits[] = { |
| { |
| .max = CPTCFG_IWLWIFI_NUM_STA_INTERFACES, |
| .types = BIT(NL80211_IFTYPE_STATION), |
| }, |
| { |
| .max = 1, |
| .types = |
| BIT(NL80211_IFTYPE_AP) | BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO), |
| }, |
| { |
| .max = 1, |
| .types = BIT(NL80211_IFTYPE_P2P_DEVICE), |
| }, |
| }; |
| |
| static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = { |
| { |
| .num_different_channels = CPTCFG_IWLWIFI_NUM_CHANNELS, |
| .max_interfaces = CPTCFG_IWLWIFI_NUM_STA_INTERFACES + 2, |
| .limits = iwl_mvm_limits, |
| .n_limits = ARRAY_SIZE(iwl_mvm_limits), |
| }, |
| }; |
| |
| static const struct ieee80211_iface_limit iwl_mvm_limits_nan[] = { |
| { |
| .max = CPTCFG_IWLWIFI_NUM_STA_INTERFACES, |
| .types = BIT(NL80211_IFTYPE_STATION), |
| }, |
| { |
| .max = 1, |
| .types = |
| BIT(NL80211_IFTYPE_AP) | BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO), |
| }, |
| { |
| .max = 1, |
| .types = BIT(NL80211_IFTYPE_P2P_DEVICE), |
| }, |
| { |
| .max = 1, |
| .types = BIT(NL80211_IFTYPE_NAN), |
| }, |
| }; |
| |
| static const struct ieee80211_iface_combination iwl_mvm_iface_combinations_nan[] = { |
| { |
| .num_different_channels = CPTCFG_IWLWIFI_NUM_CHANNELS, |
| .max_interfaces = CPTCFG_IWLWIFI_NUM_STA_INTERFACES + 3, |
| .limits = iwl_mvm_limits_nan, |
| .n_limits = ARRAY_SIZE(iwl_mvm_limits_nan), |
| }, |
| }; |
| |
| #ifdef CPTCFG_IWLWIFI_BCAST_FILTERING |
| /* |
| * Use the reserved field to indicate magic values. |
| * these values will only be used internally by the driver, |
| * and won't make it to the fw (reserved will be 0). |
| * BC_FILTER_MAGIC_IP - configure the val of this attribute to |
| * be the vif's ip address. in case there is not a single |
| * ip address (0, or more than 1), this attribute will |
| * be skipped. |
| * BC_FILTER_MAGIC_MAC - set the val of this attribute to |
| * the LSB bytes of the vif's mac address |
| */ |
| enum { |
| BC_FILTER_MAGIC_NONE = 0, |
| BC_FILTER_MAGIC_IP, |
| BC_FILTER_MAGIC_MAC, |
| }; |
| |
| static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = { |
| { |
| /* arp */ |
| .discard = 0, |
| .frame_type = BCAST_FILTER_FRAME_TYPE_ALL, |
| .attrs = |
| { |
| { |
| /* frame type - arp, hw type - ethernet */ |
| .offset_type = BCAST_FILTER_OFFSET_PAYLOAD_START, |
| .offset = sizeof(rfc1042_header), |
| .val = cpu_to_be32(0x08060001), |
| .mask = cpu_to_be32(0xffffffff), |
| }, |
| { |
| /* arp dest ip */ |
| .offset_type = BCAST_FILTER_OFFSET_PAYLOAD_START, |
| .offset = sizeof(rfc1042_header) + 2 + sizeof(struct arphdr) + ETH_ALEN + |
| sizeof(__be32) + ETH_ALEN, |
| .mask = cpu_to_be32(0xffffffff), |
| /* mark it as special field */ |
| .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_IP), |
| }, |
| }, |
| }, |
| { |
| /* dhcp offer bcast */ |
| .discard = 0, |
| .frame_type = BCAST_FILTER_FRAME_TYPE_IPV4, |
| .attrs = |
| { |
| { |
| /* udp dest port - 68 (bootp client)*/ |
| .offset_type = BCAST_FILTER_OFFSET_IP_END, |
| .offset = offsetof(struct udphdr, dest), |
| .val = cpu_to_be32(0x00440000), |
| .mask = cpu_to_be32(0xffff0000), |
| }, |
| { |
| /* dhcp - lsb bytes of client hw address */ |
| .offset_type = BCAST_FILTER_OFFSET_IP_END, |
| .offset = 38, |
| .mask = cpu_to_be32(0xffffffff), |
| /* mark it as special field */ |
| .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_MAC), |
| }, |
| }, |
| }, |
| /* last filter must be empty */ |
| {}, |
| }; |
| #endif |
| #endif // NEEDS_PORTING |
| |
| void iwl_mvm_ref(struct iwl_mvm* mvm, enum iwl_mvm_ref_type ref_type) { |
| if (!iwl_mvm_is_d0i3_supported(mvm)) { |
| return; |
| } |
| |
| IWL_DEBUG_RPM(mvm, "Take mvm reference - type %d\n", ref_type); |
| mtx_lock(&mvm->refs_lock); |
| mvm->refs[ref_type]++; |
| mtx_unlock(&mvm->refs_lock); |
| iwl_trans_ref(mvm->trans); |
| } |
| |
| void iwl_mvm_unref(struct iwl_mvm* mvm, enum iwl_mvm_ref_type ref_type) { |
| if (!iwl_mvm_is_d0i3_supported(mvm)) { |
| return; |
| } |
| |
| IWL_DEBUG_RPM(mvm, "Leave mvm reference - type %d\n", ref_type); |
| mtx_lock(&mvm->refs_lock); |
| if (WARN_ON(!mvm->refs[ref_type])) { |
| mtx_unlock(&mvm->refs_lock); |
| return; |
| } |
| mvm->refs[ref_type]--; |
| mtx_unlock(&mvm->refs_lock); |
| iwl_trans_unref(mvm->trans); |
| } |
| |
| static void iwl_mvm_unref_all_except(struct iwl_mvm* mvm, enum iwl_mvm_ref_type except_ref) { |
| enum iwl_mvm_ref_type i, j; |
| |
| if (!iwl_mvm_is_d0i3_supported(mvm)) { |
| return; |
| } |
| |
| mtx_lock(&mvm->refs_lock); |
| for (i = 0; i < IWL_MVM_REF_COUNT; i++) { |
| if (except_ref == i || !mvm->refs[i]) { |
| continue; |
| } |
| |
| IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d (%d)\n", i, mvm->refs[i]); |
| for (j = 0; j < mvm->refs[i]; j++) { |
| iwl_trans_unref(mvm->trans); |
| } |
| mvm->refs[i] = 0; |
| } |
| mtx_unlock(&mvm->refs_lock); |
| } |
| |
| bool iwl_mvm_ref_taken(struct iwl_mvm* mvm) { |
| int i; |
| bool taken = false; |
| |
| if (!iwl_mvm_is_d0i3_supported(mvm)) { |
| return true; |
| } |
| |
| mtx_lock(&mvm->refs_lock); |
| for (i = 0; i < IWL_MVM_REF_COUNT; i++) { |
| if (mvm->refs[i]) { |
| taken = true; |
| break; |
| } |
| } |
| mtx_unlock(&mvm->refs_lock); |
| |
| return taken; |
| } |
| |
| zx_status_t iwl_mvm_ref_sync(struct iwl_mvm* mvm, enum iwl_mvm_ref_type ref_type) { |
| iwl_mvm_ref(mvm, ref_type); |
| |
| #if 0 // NEEDS_PORTING |
| if (!wait_event_timeout(mvm->d0i3_exit_waitq, !test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status), |
| HZ)) { |
| WARN_ON_ONCE(1); |
| iwl_mvm_unref(mvm, ref_type); |
| return -EIO; |
| } |
| #endif // NEEDS_PORTING |
| |
| return ZX_OK; |
| } |
| |
| static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm* mvm) { |
| int i; |
| |
| memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts)); |
| for (i = 0; i < NUM_PHY_CTX; i++) { |
| mvm->phy_ctxts[i].id = i; |
| mvm->phy_ctxts[i].ref = 0; |
| } |
| } |
| |
| zx_status_t iwl_mvm_get_regdomain(struct iwl_mvm* mvm, const char* alpha2, |
| enum iwl_mcc_source src_id, bool* changed, |
| wlanphy_country_t* out_country) { |
| wlanphy_country_t country = {}; |
| wlanphy_country_t* regd = &country; |
| struct iwl_mcc_update_resp* resp; |
| |
| ZX_ASSERT(out_country); |
| |
| IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2); |
| |
| iwl_assert_lock_held(&mvm->mutex); |
| |
| zx_status_t ret = iwl_mvm_update_mcc(mvm, alpha2, src_id, &resp); |
| if (ret != ZX_OK) { |
| IWL_DEBUG_LAR(mvm, "Could not get update from FW %s\n", zx_status_get_string(ret)); |
| goto out; |
| } |
| |
| if (changed) { |
| uint32_t status = le32_to_cpu(resp->status); |
| |
| *changed = (status == MCC_RESP_NEW_CHAN_PROFILE || status == MCC_RESP_ILLEGAL); |
| } |
| |
| #if 1 // NEEDS_PORTING |
| country.alpha2[0] = le16_to_cpu(resp->mcc) >> 8; |
| country.alpha2[1] = le16_to_cpu(resp->mcc) & 0xff; |
| *out_country = *regd; |
| #else // NEEDS_PORTING |
| // TODO(fxbug.dev/87321): port iwl_parse_nvm_mcc_info() |
| struct ieee80211_regdomain* regd = iwl_parse_nvm_mcc_info( |
| mvm->trans->dev, mvm->cfg, __le32_to_cpu(resp->n_channels), resp->channels, |
| __le16_to_cpu(resp->mcc), __le16_to_cpu(resp->geo_info)); |
| #endif // NEEDS_PORTING |
| |
| /* Store the return source id */ |
| src_id = resp->source_id; |
| free(resp); |
| if (ret != ZX_OK) { |
| IWL_DEBUG_LAR(mvm, "Could not get parse update from FW: %s\n", zx_status_get_string(ret)); |
| goto out; |
| } |
| |
| IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %c%c (0x%x, 0x%x) src=%d\n", regd->alpha2[0], |
| regd->alpha2[1], regd->alpha2[0], regd->alpha2[1], src_id); |
| mvm->lar_regdom_set = true; |
| mvm->mcc_src = src_id; |
| |
| out: |
| return ret; |
| } |
| |
| #if 0 // NEEDS_PORTING |
| void iwl_mvm_update_changed_regdom(struct iwl_mvm* mvm) { |
| bool changed; |
| struct ieee80211_regdomain* regd; |
| |
| if (!iwl_mvm_is_lar_supported(mvm)) { return; } |
| |
| regd = iwl_mvm_get_current_regdomain(mvm, &changed); |
| if (!IS_ERR_OR_NULL(regd)) { |
| /* only update the regulatory core if changed */ |
| if (changed) { regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); } |
| |
| kfree(regd); |
| } |
| } |
| #endif // NEEDS_PORTING |
| |
| zx_status_t iwl_mvm_get_current_regdomain(struct iwl_mvm* mvm, bool* changed, |
| wlanphy_country_t* out_country) { |
| return iwl_mvm_get_regdomain( |
| mvm, "ZZ", iwl_mvm_is_wifi_mcc_supported(mvm) ? MCC_SOURCE_GET_CURRENT : MCC_SOURCE_OLD_FW, |
| changed, out_country); |
| } |
| |
| #if 0 // NEEDS_PORTING |
| int iwl_mvm_init_fw_regd(struct iwl_mvm* mvm) { |
| enum iwl_mcc_source used_src; |
| struct ieee80211_regdomain* regd; |
| int ret; |
| bool changed; |
| const struct ieee80211_regdomain* r = rtnl_dereference(mvm->hw->wiphy->regd); |
| |
| if (!r) { return -ENOENT; } |
| |
| /* save the last source in case we overwrite it below */ |
| used_src = mvm->mcc_src; |
| if (iwl_mvm_is_wifi_mcc_supported(mvm)) { |
| /* Notify the firmware we support wifi location updates */ |
| regd = iwl_mvm_get_current_regdomain(mvm, NULL); |
| if (!IS_ERR_OR_NULL(regd)) { kfree(regd); } |
| } |
| |
| /* Now set our last stored MCC and source */ |
| regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src, &changed); |
| if (IS_ERR_OR_NULL(regd)) { return -EIO; } |
| |
| /* update cfg80211 if the regdomain was changed */ |
| if (changed) { |
| ret = regulatory_set_wiphy_regd_sync_rtnl(mvm->hw->wiphy, regd); |
| } else { |
| ret = 0; |
| } |
| |
| kfree(regd); |
| return ret; |
| } |
| |
| const static uint8_t he_if_types_ext_capa_sta[] = { |
| [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, |
| [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, |
| [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, |
| }; |
| |
| #ifdef CPTCFG_IWLMVM_AX_SOFTAP_TESTMODE |
| const static uint8_t he_if_types_ext_capa_ap[] = { |
| [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, |
| [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, |
| [9] = WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT, |
| }; |
| #endif /* CPTCFG_IWLMVM_AX_SOFTAP_TESTMODE */ |
| |
| const static struct wiphy_iftype_ext_capab he_iftypes_ext_capa[] = { |
| { |
| .iftype = NL80211_IFTYPE_STATION, |
| .extended_capabilities = he_if_types_ext_capa_sta, |
| .extended_capabilities_mask = he_if_types_ext_capa_sta, |
| .extended_capabilities_len = sizeof(he_if_types_ext_capa_sta), |
| }, |
| #ifdef CPTCFG_IWLMVM_AX_SOFTAP_TESTMODE |
| { |
| .iftype = NL80211_IFTYPE_AP, |
| .extended_capabilities = he_if_types_ext_capa_ap, |
| .extended_capabilities_mask = he_if_types_ext_capa_ap, |
| .extended_capabilities_len = sizeof(he_if_types_ext_capa_ap), |
| }, |
| #endif /* CPTCFG_IWLMVM_AX_SOFTAP_TESTMODE */ |
| }; |
| #endif // NEEDS_PORTING |
| |
| zx_status_t iwl_mvm_mac_setup_register(struct iwl_mvm* mvm) { |
| #if 0 // NEEDS_PORTING: for cipher |
| BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); |
| memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); |
| hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); |
| hw->wiphy->cipher_suites = mvm->ciphers; |
| |
| if (iwl_mvm_has_new_rx_api(mvm)) { |
| mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_GCMP; |
| hw->wiphy->n_cipher_suites++; |
| mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_GCMP_256; |
| hw->wiphy->n_cipher_suites++; |
| } |
| |
| /* Enable 11w if software crypto is not enabled (as the |
| * firmware will interpret some mgmt packets, so enabling it |
| * with software crypto isn't safe). |
| */ |
| if (!iwlwifi_mod_params.swcrypto) { |
| ieee80211_hw_set(hw, MFP_CAPABLE); |
| mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_AES_CMAC; |
| hw->wiphy->n_cipher_suites++; |
| if (iwl_mvm_has_new_rx_api(mvm)) { |
| mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_BIP_GMAC_128; |
| hw->wiphy->n_cipher_suites++; |
| mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_BIP_GMAC_256; |
| hw->wiphy->n_cipher_suites++; |
| } |
| } |
| |
| /* currently FW API supports only one optional cipher scheme */ |
| if (mvm->fw->cs[0].cipher) { |
| const struct iwl_fw_cipher_scheme* fwcs = &mvm->fw->cs[0]; |
| struct ieee80211_cipher_scheme* cs = &mvm->cs[0]; |
| |
| mvm->hw->n_cipher_schemes = 1; |
| |
| cs->cipher = le32_to_cpu(fwcs->cipher); |
| cs->iftype = BIT(NL80211_IFTYPE_STATION); |
| cs->hdr_len = fwcs->hdr_len; |
| cs->pn_len = fwcs->pn_len; |
| cs->pn_off = fwcs->pn_off; |
| cs->key_idx_off = fwcs->key_idx_off; |
| cs->key_idx_mask = fwcs->key_idx_mask; |
| cs->key_idx_shift = fwcs->key_idx_shift; |
| cs->mic_len = fwcs->mic_len; |
| |
| mvm->hw->cipher_schemes = mvm->cs; |
| mvm->ciphers[hw->wiphy->n_cipher_suites] = cs->cipher; |
| hw->wiphy->n_cipher_suites++; |
| } |
| #endif // NEEDS_PORTING |
| |
| #if 0 // TODO(fxbug.dev/36682): We need nvm.c porting iwl_nvm_init() |
| /* Extract MAC address */ |
| memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); |
| |
| /* Extract additional MAC addresses if available */ |
| size_t num_mac = |
| (mvm->nvm_data->n_hw_addrs > 1) ? MIN(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; |
| |
| for (size_t i = 1; i < num_mac; i++) { |
| memcpy(mvm->addresses[i].addr, mvm->addresses[i - 1].addr, ETH_ALEN); |
| mvm->addresses[i].addr[5]++; |
| } |
| #endif |
| |
| iwl_mvm_reset_phy_ctxts(mvm); |
| |
| BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); |
| BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > IWL_MVM_SCAN_MASK_HWEIGHT32 || |
| IWL_MVM_MAX_LMAC_SCANS > IWL_MVM_SCAN_MASK_HWEIGHT32); |
| |
| if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { |
| mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS; |
| } else { |
| mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS; |
| } |
| |
| mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; |
| |
| #ifdef CONFIG_PM_SLEEP |
| if (iwl_mvm_is_d0i3_supported(mvm) && device_can_wakeup(mvm->trans->dev)) { |
| mvm->wowlan.flags = WIPHY_WOWLAN_ANY; |
| hw->wiphy->wowlan = &mvm->wowlan; |
| } |
| |
| if (mvm->fw->img[IWL_UCODE_WOWLAN].num_sec && mvm->trans->ops->d3_suspend && |
| mvm->trans->ops->d3_resume && device_can_wakeup(mvm->trans->dev)) { |
| mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | |
| WIPHY_WOWLAN_EAP_IDENTITY_REQ | WIPHY_WOWLAN_RFKILL_RELEASE | |
| WIPHY_WOWLAN_NET_DETECT; |
| if (!iwlwifi_mod_params.swcrypto) |
| mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | WIPHY_WOWLAN_GTK_REKEY_FAILURE | |
| WIPHY_WOWLAN_4WAY_HANDSHAKE; |
| |
| mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; |
| mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; |
| mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; |
| mvm->wowlan.max_nd_match_sets = IWL_SCAN_MAX_PROFILES; |
| hw->wiphy->wowlan = &mvm->wowlan; |
| } |
| #endif |
| |
| #ifdef CPTCFG_IWLWIFI_BCAST_FILTERING |
| /* assign default bcast filtering configuration */ |
| mvm->bcast_filters = iwl_mvm_default_bcast_filters; |
| #endif |
| |
| #ifdef CPTCFG_IWLMVM_VENDOR_CMDS |
| iwl_mvm_set_wiphy_vendor_commands(hw->wiphy); |
| #endif |
| |
| zx_status_t ret = iwl_mvm_leds_init(mvm); |
| if (ret) { |
| return ret; |
| } |
| |
| mvm->init_status |= IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE; |
| |
| return ZX_OK; |
| } |
| |
| #if 0 // NEEDS_PORTING |
| static bool iwl_mvm_defer_tx(struct iwl_mvm* mvm, struct ieee80211_sta* sta, struct sk_buff* skb) { |
| struct iwl_mvm_sta* mvmsta; |
| bool defer = false; |
| |
| /* |
| * double check the IN_D0I3 flag both before and after |
| * taking the spinlock, in order to prevent taking |
| * the spinlock when not needed. |
| */ |
| if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))) { return false; } |
| |
| spin_lock(&mvm->d0i3_tx_lock); |
| /* |
| * testing the flag again ensures the skb dequeue |
| * loop (on d0i3 exit) hasn't run yet. |
| */ |
| if (!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)) { goto out; } |
| |
| mvmsta = iwl_mvm_sta_from_mac80211(sta); |
| if (mvmsta->sta_id == IWL_MVM_INVALID_STA || mvmsta->sta_id != mvm->d0i3_ap_sta_id) { |
| goto out; |
| } |
| |
| __skb_queue_tail(&mvm->d0i3_tx, skb); |
| |
| /* trigger wakeup */ |
| iwl_mvm_ref(mvm, IWL_MVM_REF_TX); |
| iwl_mvm_unref(mvm, IWL_MVM_REF_TX); |
| |
| defer = true; |
| out: |
| spin_unlock(&mvm->d0i3_tx_lock); |
| return defer; |
| } |
| #endif // NEEDS_PORTING |
| |
| zx_status_t iwl_mvm_mac_tx(struct iwl_mvm_vif* mvmvif, struct iwl_mvm_sta* mvmsta, |
| struct ieee80211_mac_packet* pkt) { |
| iwl_assert_lock_held(&mvmvif->mvm->mutex); |
| |
| if (mvmvif->mac_role != WLAN_MAC_ROLE_CLIENT) { |
| IWL_ERR(mvmvif, "%s(): not supported MAC role %d yet\n", __func__, mvmvif->mac_role); |
| return ZX_ERR_INVALID_ARGS; |
| } |
| |
| return iwl_mvm_tx_skb(mvmvif->mvm, pkt, mvmsta); |
| |
| #if 0 // NEEDS_PORTING |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| struct ieee80211_sta* sta = control->sta; |
| struct ieee80211_tx_info* info = IEEE80211_SKB_CB(skb); |
| struct ieee80211_hdr* hdr = (void*)skb->data; |
| bool offchannel = IEEE80211_SKB_CB(skb)->flags & IEEE80211_TX_CTL_TX_OFFCHAN; |
| |
| if (iwl_mvm_is_radio_killed(mvm)) { |
| IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); |
| goto drop; |
| } |
| |
| if (offchannel && !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) && |
| !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) { |
| goto drop; |
| } |
| |
| /* treat non-bufferable MMPDUs on AP interfaces as broadcast */ |
| if ((info->control.vif->type == NL80211_IFTYPE_AP || |
| info->control.vif->type == NL80211_IFTYPE_ADHOC) && |
| ieee80211_is_mgmt(hdr->frame_control) && |
| !ieee80211_is_bufferable_mmpdu(hdr->frame_control)) { |
| sta = NULL; |
| } |
| |
| /* If there is no sta, and it's not offchannel - send through AP */ |
| if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION && !offchannel) { |
| struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(info->control.vif); |
| uint8_t ap_sta_id = READ_ONCE(mvmvif->ap_sta_id); |
| |
| if (ap_sta_id < IWL_MVM_STATION_COUNT) { |
| /* mac80211 holds rcu read lock */ |
| sta = rcu_dereference(mvm->fw_id_to_mac_id[ap_sta_id]); |
| if (IS_ERR_OR_NULL(sta)) { goto drop; } |
| } |
| } |
| |
| if (sta) { |
| if (iwl_mvm_defer_tx(mvm, sta, skb)) { return; } |
| if (iwl_mvm_tx_skb(mvm, skb, sta)) { goto drop; } |
| return; |
| } |
| |
| if (iwl_mvm_tx_skb_non_sta(mvm, skb)) { goto drop; } |
| return; |
| drop: |
| ieee80211_free_txskb(hw, skb); |
| #endif // NEEDS_PORTING |
| } |
| |
| void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw* hw, struct ieee80211_txq* txq) { |
| #if 0 // NEEDS_PORTING |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| struct iwl_mvm_txq* mvmtxq = iwl_mvm_txq_from_mac80211(txq); |
| struct sk_buff* skb = NULL; |
| |
| spin_lock(&mvmtxq->tx_path_lock); |
| |
| rcu_read_lock(); |
| while (likely(!mvmtxq->stopped && (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_DISABLED))) { |
| skb = ieee80211_tx_dequeue(hw, txq); |
| |
| if (!skb) { break; } |
| |
| if (!txq->sta) { |
| iwl_mvm_tx_skb_non_sta(mvm, skb); |
| } else { |
| iwl_mvm_tx_skb(mvm, skb, txq->sta); |
| } |
| } |
| rcu_read_unlock(); |
| |
| spin_unlock(&mvmtxq->tx_path_lock); |
| #endif // NEEDS_PORTING |
| } |
| |
| #if 0 // NEEDS_PORTING |
| static void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw* hw, struct ieee80211_txq* txq) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| struct iwl_mvm_txq* mvmtxq = iwl_mvm_txq_from_mac80211(txq); |
| |
| /* |
| * Please note that racing is handled very carefully here: |
| * mvmtxq->txq_id is updated during allocation, and mvmtxq->list is |
| * deleted afterwards. |
| * This means that if: |
| * mvmtxq->txq_id != INVALID_QUEUE && list_empty(&mvmtxq->list): |
| * queue is allocated and we can TX. |
| * mvmtxq->txq_id != INVALID_QUEUE && !list_empty(&mvmtxq->list): |
| * a race, should defer the frame. |
| * mvmtxq->txq_id == INVALID_QUEUE && list_empty(&mvmtxq->list): |
| * need to allocate the queue and defer the frame. |
| * mvmtxq->txq_id == INVALID_QUEUE && !list_empty(&mvmtxq->list): |
| * queue is already scheduled for allocation, no need to allocate, |
| * should defer the frame. |
| */ |
| |
| /* If the queue is allocated TX and return. */ |
| if (!txq->sta || mvmtxq->txq_id != IWL_MVM_INVALID_QUEUE) { |
| /* |
| * Check that list is empty to avoid a race where txq_id is |
| * already updated, but the queue allocation work wasn't |
| * finished |
| */ |
| if (unlikely(txq->sta && !list_empty(&mvmtxq->list))) { return; } |
| |
| iwl_mvm_mac_itxq_xmit(hw, txq); |
| return; |
| } |
| |
| /* The list is being deleted only after the queue is fully allocated. */ |
| if (!list_empty(&mvmtxq->list)) { return; } |
| |
| list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs); |
| schedule_work(&mvm->add_stream_wk); |
| } |
| |
| static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg* cfg) { |
| if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG) { return false; } |
| return true; |
| } |
| |
| static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg* cfg) { |
| if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG) { return false; } |
| if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG) { return true; } |
| |
| /* enabled by default */ |
| return true; |
| } |
| |
| #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ |
| do { \ |
| if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ |
| break; \ |
| iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ |
| } while (0) |
| |
| static void iwl_mvm_ampdu_check_trigger(struct iwl_mvm* mvm, struct ieee80211_vif* vif, |
| struct ieee80211_sta* sta, uint16_t tid, uint16_t rx_ba_ssn, |
| enum ieee80211_ampdu_mlme_action action) { |
| struct iwl_fw_dbg_trigger_tlv* trig; |
| struct iwl_fw_dbg_trigger_ba* ba_trig; |
| |
| trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), FW_DBG_TRIGGER_BA); |
| if (!trig) { return; } |
| |
| ba_trig = (void*)trig->data; |
| |
| switch (action) { |
| case IEEE80211_AMPDU_TX_OPERATIONAL: { |
| struct iwl_mvm_sta* mvmsta = iwl_mvm_sta_from_mac80211(sta); |
| struct iwl_mvm_tid_data* tid_data = &mvmsta->tid_data[tid]; |
| |
| CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, |
| "TX AGG START: MAC %pM tid %d ssn %d\n", sta->addr, tid, tid_data->ssn); |
| break; |
| } |
| case IEEE80211_AMPDU_TX_STOP_CONT: |
| CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, "TX AGG STOP: MAC %pM tid %d\n", |
| sta->addr, tid); |
| break; |
| case IEEE80211_AMPDU_RX_START: |
| CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, |
| "RX AGG START: MAC %pM tid %d ssn %d\n", sta->addr, tid, rx_ba_ssn); |
| break; |
| case IEEE80211_AMPDU_RX_STOP: |
| CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, "RX AGG STOP: MAC %pM tid %d\n", |
| sta->addr, tid); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw* hw, struct ieee80211_vif* vif, |
| struct ieee80211_ampdu_params* params) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| int ret; |
| bool tx_agg_ref = false; |
| struct ieee80211_sta* sta = params->sta; |
| enum ieee80211_ampdu_mlme_action action = params->action; |
| uint16_t tid = params->tid; |
| uint16_t* ssn = ¶ms->ssn; |
| uint16_t buf_size = params->buf_size; |
| bool amsdu = params->amsdu; |
| uint16_t timeout = params->timeout; |
| |
| IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", sta->addr, tid, action); |
| |
| if (!(mvm->nvm_data->sku_cap_11n_enable)) { return -EACCES; } |
| |
| /* return from D0i3 before starting a new Tx aggregation */ |
| switch (action) { |
| case IEEE80211_AMPDU_TX_START: |
| case IEEE80211_AMPDU_TX_STOP_CONT: |
| case IEEE80211_AMPDU_TX_STOP_FLUSH: |
| case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: |
| case IEEE80211_AMPDU_TX_OPERATIONAL: |
| /* |
| * for tx start, wait synchronously until D0i3 exit to |
| * get the correct sequence number for the tid. |
| * additionally, some other ampdu actions use direct |
| * target access, which is not handled automatically |
| * by the trans layer (unlike commands), so wait for |
| * d0i3 exit in these cases as well. |
| */ |
| ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG); |
| if (ret) { return ret; } |
| |
| tx_agg_ref = true; |
| break; |
| default: |
| break; |
| } |
| |
| mutex_lock(&mvm->mutex); |
| |
| switch (action) { |
| case IEEE80211_AMPDU_RX_START: |
| if (iwl_mvm_vif_from_mac80211(vif)->ap_sta_id == iwl_mvm_sta_from_mac80211(sta)->sta_id) { |
| struct iwl_mvm_vif* mvmvif; |
| uint16_t macid = iwl_mvm_vif_from_mac80211(vif)->id; |
| struct iwl_mvm_tcm_mac* mdata = &mvm->tcm.data[macid]; |
| |
| mdata->opened_rx_ba_sessions = true; |
| mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk); |
| } |
| if (!iwl_enable_rx_ampdu(mvm->cfg)) { |
| ret = -EINVAL; |
| break; |
| } |
| ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, timeout); |
| break; |
| case IEEE80211_AMPDU_RX_STOP: |
| ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, timeout); |
| break; |
| case IEEE80211_AMPDU_TX_START: |
| if (!iwl_enable_tx_ampdu(mvm->cfg)) { |
| ret = -EINVAL; |
| break; |
| } |
| ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); |
| break; |
| case IEEE80211_AMPDU_TX_STOP_CONT: |
| ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); |
| break; |
| case IEEE80211_AMPDU_TX_STOP_FLUSH: |
| case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: |
| ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); |
| break; |
| case IEEE80211_AMPDU_TX_OPERATIONAL: |
| ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, buf_size, amsdu); |
| break; |
| default: |
| WARN_ON_ONCE(1); |
| ret = -EINVAL; |
| break; |
| } |
| |
| if (!ret) { |
| uint16_t rx_ba_ssn = 0; |
| |
| if (action == IEEE80211_AMPDU_RX_START) { rx_ba_ssn = *ssn; } |
| |
| iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, rx_ba_ssn, action); |
| } |
| mutex_unlock(&mvm->mutex); |
| |
| /* |
| * If the tid is marked as started, we won't use it for offloaded |
| * traffic on the next D0i3 entry. It's safe to unref. |
| */ |
| if (tx_agg_ref) { iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG); } |
| |
| return ret; |
| } |
| |
| static void iwl_mvm_cleanup_iterator(void* data, uint8_t* mac, struct ieee80211_vif* vif) { |
| struct iwl_mvm* mvm = data; |
| struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| |
| mvmvif->uploaded = false; |
| mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; |
| |
| spin_lock_bh(&mvm->time_event_lock); |
| iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); |
| spin_unlock_bh(&mvm->time_event_lock); |
| |
| mvmvif->phy_ctxt = NULL; |
| memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data)); |
| memset(&mvmvif->probe_resp_data, 0, sizeof(mvmvif->probe_resp_data)); |
| } |
| #endif // NEEDS_PORTING |
| |
| static void iwl_mvm_restart_cleanup(struct iwl_mvm* mvm) { |
| #if 0 // NEEDS_PORTING |
| /* clear the D3 reconfig, we only need it to avoid dumping a |
| * firmware coredump on reconfiguration, we shouldn't do that |
| * on D3->D0 transition |
| */ |
| if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG, &mvm->status)) { |
| mvm->fwrt.dump.desc = &iwl_dump_desc_assert; |
| iwl_fw_error_dump(&mvm->fwrt); |
| |
| #ifdef CPTCFG_IWLWIFI_DEVICE_TESTMODE |
| iwl_dnt_dispatch_handle_nic_err(mvm->trans); |
| #endif |
| } |
| #endif // NEEDS_PORTING |
| |
| /* cleanup all stale references (scan, roc), but keep the |
| * ucode_down ref until reconfig is complete |
| */ |
| iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN); |
| |
| iwl_mvm_stop_device(mvm); |
| |
| mvm->scan_status = 0; |
| mvm->ps_disabled = false; |
| mvm->calibrating = false; |
| |
| #ifdef CPTCFG_IWLWIFI_FRQ_MGR |
| /* |
| * In case that 2g coex was enabled - and now the FW is being |
| * restarted, we need to disable 2g coex mode in the driver as well |
| * so that the fw & driver will be synced on the mode. |
| */ |
| mvm->coex_2g_enabled = false; |
| #endif |
| |
| #if 0 // NEEDS_PORTING |
| /* just in case one was running */ |
| iwl_mvm_cleanup_roc_te(mvm); |
| ieee80211_remain_on_channel_expired(mvm->hw); |
| #endif // NEEDS_PORTING |
| |
| #if 0 // NEEDS_PORTING |
| /* |
| * cleanup all interfaces, even inactive ones, as some might have |
| * gone down during the HW restart |
| */ |
| ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); |
| #endif // NEEDS_PORTING |
| |
| mvm->p2p_device_vif = NULL; |
| mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA; |
| |
| iwl_mvm_reset_phy_ctxts(mvm); |
| memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); |
| memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); |
| memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); |
| |
| #if 0 // NEEDS_PORTING |
| ieee80211_wake_queues(mvm->hw); |
| #endif // NEEDS_PORTING |
| |
| /* clear any stale d0i3 state */ |
| clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); |
| |
| mvm->vif_count = 0; |
| mvm->rx_ba_sessions = 0; |
| mvm->fwrt.dump.conf = FW_DBG_INVALID; |
| mvm->monitor_on = false; |
| |
| /* keep statistics ticking */ |
| iwl_mvm_accu_radio_stats(mvm); |
| } |
| |
| zx_status_t __iwl_mvm_mac_start(struct iwl_mvm* mvm) { |
| zx_status_t ret; |
| |
| if (mvm->mac_started) { |
| // Silently return ZX_OK for now. TODO(fxbug.dev/93496). |
| return ZX_OK; |
| } |
| |
| iwl_assert_lock_held(&mvm->mutex); |
| |
| if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { |
| /* |
| * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART |
| * so later code will - from now on - see that we're doing it. |
| */ |
| set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); |
| clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); |
| /* Clean up some internal and mac80211 state on restart */ |
| iwl_mvm_restart_cleanup(mvm); |
| } else { |
| /* Hold the reference to prevent runtime suspend while |
| * the start procedure runs. It's a bit confusing |
| * that the UCODE_DOWN reference is taken, but it just |
| * means "UCODE is not UP yet". ( TODO: rename this |
| * reference). |
| */ |
| iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); |
| } |
| ret = iwl_mvm_up(mvm); |
| |
| #if 0 // NEEDS_PORTING |
| iwl_fw_dbg_apply_point(&mvm->fwrt, IWL_FW_INI_APPLY_POST_INIT); |
| #endif // NEEDS_PORTING |
| |
| if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { |
| /* Something went wrong - we need to finish some cleanup |
| * that normally iwl_mvm_mac_restart_complete() below |
| * would do. |
| */ |
| clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); |
| #ifdef CONFIG_PM |
| iwl_mvm_d0i3_enable_tx(mvm, NULL); |
| #endif |
| } |
| if (ret == ZX_OK) |
| mvm->mac_started = true; |
| |
| return ret; |
| } |
| |
| zx_status_t iwl_mvm_mac_start(struct iwl_mvm* mvm) { |
| zx_status_t ret; |
| |
| #if 0 // NEEDS_PORTING |
| /* Some hw restart cleanups must not hold the mutex */ |
| if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { |
| /* |
| * Make sure we are out of d0i3. This is needed |
| * to make sure the reference accounting is correct |
| * (and there is no stale d0i3_exit_work). |
| */ |
| wait_event_timeout(mvm->d0i3_exit_waitq, !test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status), |
| HZ); |
| } |
| #endif // NEEDS_PORTING |
| |
| mtx_lock(&mvm->mutex); |
| ret = __iwl_mvm_mac_start(mvm); |
| mtx_unlock(&mvm->mutex); |
| |
| return ret; |
| } |
| |
| #if 0 // NEEDS_PORTING |
| static void iwl_mvm_restart_complete(struct iwl_mvm* mvm) { |
| int ret; |
| |
| mutex_lock(&mvm->mutex); |
| |
| clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); |
| #ifdef CONFIG_PM |
| iwl_mvm_d0i3_enable_tx(mvm, NULL); |
| #endif |
| ret = iwl_mvm_update_quotas(mvm, true, NULL); |
| if (ret) { IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", ret); } |
| |
| /* allow transport/FW low power modes */ |
| iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN); |
| |
| /* |
| * If we have TDLS peers, remove them. We don't know the last seqno/PN |
| * of packets the FW sent out, so we must reconnect. |
| */ |
| iwl_mvm_teardown_tdls_peers(mvm); |
| |
| mutex_unlock(&mvm->mutex); |
| } |
| |
| static void iwl_mvm_resume_complete(struct iwl_mvm* mvm) { |
| if (iwl_mvm_is_d0i3_supported(mvm) && iwl_mvm_enter_d0i3_on_suspend(mvm)) |
| WARN_ONCE(!wait_event_timeout(mvm->d0i3_exit_waitq, |
| !test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status), HZ), |
| "D0i3 exit on resume timed out\n"); |
| } |
| |
| static void iwl_mvm_mac_reconfig_complete(struct ieee80211_hw* hw, |
| enum ieee80211_reconfig_type reconfig_type) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| |
| switch (reconfig_type) { |
| case IEEE80211_RECONFIG_TYPE_RESTART: |
| iwl_mvm_restart_complete(mvm); |
| break; |
| case IEEE80211_RECONFIG_TYPE_SUSPEND: |
| iwl_mvm_resume_complete(mvm); |
| break; |
| } |
| } |
| #endif // NEEDS_PORTING |
| |
| void __iwl_mvm_mac_stop(struct iwl_mvm* mvm) { |
| iwl_assert_lock_held(&mvm->mutex); |
| |
| /* firmware counters are obviously reset now, but we shouldn't |
| * partially track so also clear the fw_reset_accu counters. |
| */ |
| memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); |
| |
| /* async_handlers_wk is now blocked */ |
| |
| #if 0 // NEEDS_PORTING |
| /* |
| * The work item could be running or queued if the |
| * ROC time event stops just as we get here. |
| */ |
| flush_work(&mvm->roc_done_wk); |
| #endif // NEEDS_PORTING |
| |
| iwl_mvm_stop_device(mvm); |
| |
| iwl_mvm_async_handlers_purge(mvm); |
| /* async_handlers_list is empty and will stay empty: HW is stopped */ |
| |
| /* the fw is stopped, the aux sta is dead: clean up driver state */ |
| iwl_mvm_del_aux_sta(mvm); |
| |
| #if 0 // NEEDS_PORTING |
| /* |
| * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the |
| * hw (as restart_complete() won't be called in this case) and mac80211 |
| * won't execute the restart. |
| * But make sure to cleanup interfaces that have gone down before/during |
| * HW restart was requested. |
| */ |
| if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || |
| test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { |
| ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); |
| } |
| #endif // NEEDS_PORTING |
| |
| /* 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. |
| */ |
| if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { |
| for (unsigned int i = 0; i < mvm->max_scans; i++) { |
| if (mvm->scan_uid_status[i]) { |
| IWL_WARN(mvm, "UMAC scan UID %d status was not cleaned\n", i); |
| mvm->scan_uid_status[i] = 0; |
| } |
| } |
| } |
| } |
| |
| void iwl_mvm_mac_stop(struct iwl_mvm* mvm) { |
| #if 0 // NEEDS_PORTING |
| flush_work(&mvm->d0i3_exit_work); |
| flush_work(&mvm->async_handlers_wk); |
| flush_work(&mvm->add_stream_wk); |
| #endif // NEEDS_PORTING |
| |
| /* |
| * Lock and clear the firmware running bit here already, so that |
| * new commands coming in elsewhere, e.g. from debugfs, will not |
| * be able to proceed. This is important here because one of those |
| * debugfs files causes the firmware dump to be triggered, and if we |
| * don't stop debugfs accesses before canceling that it could be |
| * retriggered after we flush it but before we've cleared the bit. |
| */ |
| clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); |
| |
| iwl_fw_cancel_dump(&mvm->fwrt); |
| |
| #if 0 // NEEDS_PORTING |
| #ifdef CPTCFG_MAC80211_LATENCY_MEASUREMENTS |
| cancel_delayed_work_sync(&mvm->tx_latency_watchdog_wk); |
| #endif /* CPTCFG_MAC80211_LATENCY_MEASUREMENTS */ |
| cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); |
| #endif // NEEDS_PORTING |
| |
| iwl_task_release_sync(mvm->scan_timeout_task); |
| mvm->scan_timeout_task = NULL; |
| iwl_fw_free_dump_desc(&mvm->fwrt); |
| |
| mtx_lock(&mvm->mutex); |
| __iwl_mvm_mac_stop(mvm); |
| mtx_unlock(&mvm->mutex); |
| |
| #if 0 // NEEDS_PORTING |
| /* |
| * The worker might have been waiting for the mutex, let it run and |
| * discover that its list is now empty. |
| */ |
| cancel_work_sync(&mvm->async_handlers_wk); |
| #endif // NEEDS_PORTING |
| } |
| |
| static struct iwl_mvm_phy_ctxt* iwl_mvm_get_free_phy_ctxt(struct iwl_mvm* mvm) { |
| uint16_t i; |
| |
| iwl_assert_lock_held(&mvm->mutex); |
| |
| for (i = 0; i < NUM_PHY_CTX; i++) { |
| if (!mvm->phy_ctxts[i].ref) { |
| return &mvm->phy_ctxts[i]; |
| } |
| } |
| |
| IWL_ERR(mvm, "No available PHY context\n"); |
| return NULL; |
| } |
| |
| #if 0 // NEEDS_PORTING |
| static int iwl_mvm_set_tx_power(struct iwl_mvm* mvm, struct ieee80211_vif* vif, int16_t tx_power) { |
| int len; |
| union { |
| struct iwl_dev_tx_power_cmd v5; |
| struct iwl_dev_tx_power_cmd_v4 v4; |
| } cmd = { |
| .v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), |
| .v5.v3.mac_context_id = cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), |
| .v5.v3.pwr_restriction = cpu_to_le16(8 * tx_power), |
| }; |
| |
| #ifdef CPTCFG_IWLWIFI_FRQ_MGR |
| struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| |
| /* |
| * if set Tx power request did not come from Frequency Manager(FM) |
| * Take minimum between wanted Tx power to FM Tx power limit |
| */ |
| if (mvmvif->phy_ctxt && tx_power > mvmvif->phy_ctxt->fm_tx_power_limit) { |
| cmd.v5.v3.pwr_restriction = cpu_to_le16(mvmvif->phy_ctxt->fm_tx_power_limit); |
| } |
| #endif |
| |
| if (tx_power == IWL_DEFAULT_MAX_TX_POWER) { |
| cmd.v5.v3.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); |
| } |
| |
| if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_REDUCE_TX_POWER)) { |
| len = sizeof(cmd.v5); |
| } else if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) { |
| len = sizeof(cmd.v4); |
| } else { |
| len = sizeof(cmd.v4.v3); |
| } |
| |
| return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); |
| } |
| |
| #ifdef CPTCFG_IWLWIFI_FRQ_MGR |
| int iwl_mvm_fm_set_tx_power(struct iwl_mvm* mvm, struct ieee80211_vif* vif, int8_t txpower) { |
| int ret; |
| |
| mutex_lock(&mvm->mutex); |
| /* set Tx power to min between drivers limit and FM limit */ |
| ret = iwl_mvm_set_tx_power(mvm, vif, min_t(int8_t, txpower, vif->bss_conf.txpower)); |
| mutex_unlock(&mvm->mutex); |
| return ret; |
| } |
| |
| /* |
| * Updates Tx power limitation for the mac if FM has already limited |
| * the Tx power on the channel that this mac is using. |
| */ |
| static void iwl_mvm_update_ctx_tx_power_limit(struct iwl_mvm* mvm, struct ieee80211_vif* vif, |
| struct iwl_mvm_phy_ctxt* phy_ctxt) { |
| /* Tx power has not been limited by FM */ |
| if (phy_ctxt->fm_tx_power_limit == IWL_DEFAULT_MAX_TX_POWER) { return; } |
| iwl_mvm_set_tx_power(mvm, vif, phy_ctxt->fm_tx_power_limit); |
| } |
| #endif |
| #endif // NEEDS_PORTING |
| |
| zx_status_t iwl_mvm_find_free_mvmvif_slot(struct iwl_mvm* mvm, int* ret_idx) { |
| int idx; |
| |
| ZX_ASSERT(ret_idx); |
| |
| iwl_assert_lock_held(&mvm->mutex); |
| |
| for (idx = 0; idx < MAX_NUM_MVMVIF; idx++) { |
| if (!mvm->mvmvif[idx]) { |
| *ret_idx = idx; |
| return ZX_OK; |
| } |
| } |
| return ZX_ERR_NO_RESOURCES; |
| } |
| |
| // This function doesn't take the ownership of the mvmvif after binding. It just adds a reference |
| // from mvm to the mvmvif instance. |
| zx_status_t iwl_mvm_bind_mvmvif(struct iwl_mvm* mvm, int idx, struct iwl_mvm_vif* mvmvif) { |
| iwl_assert_lock_held(&mvm->mutex); |
| |
| ZX_ASSERT(mvmvif); |
| |
| if (mvm->mvmvif[idx]) { |
| IWL_ERR(mvm, "mvm->mvmvif[%d] has been binded.\n", idx); |
| return ZX_ERR_ALREADY_EXISTS; |
| } |
| |
| mvm->mvmvif[idx] = mvmvif; |
| return ZX_OK; |
| } |
| |
| void iwl_mvm_unbind_mvmvif(struct iwl_mvm* mvm, int idx) { |
| iwl_assert_lock_held(&mvm->mutex); |
| mvm->mvmvif[idx] = NULL; |
| } |
| |
| zx_status_t iwl_mvm_mac_add_interface(struct iwl_mvm_vif* mvmvif) { |
| struct iwl_mvm* mvm = mvmvif->mvm; |
| mvmvif->probe_resp_data = NULL; |
| |
| /* |
| * make sure D0i3 exit is completed, otherwise a target access |
| * during tx queue configuration could be done when still in |
| * D0i3 state. |
| */ |
| zx_status_t ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF); |
| if (ret != ZX_OK) { |
| return ret; |
| } |
| |
| /* |
| * Not much to do here. The stack will not allow interface |
| * types or combinations that we didn't advertise, so we |
| * don't really have to check the types. |
| */ |
| |
| mtx_lock(&mvm->mutex); |
| |
| /* make sure that beacon statistics don't go backwards with FW reset */ |
| if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { |
| mvmvif->beacon_stats.accu_num_beacons += mvmvif->beacon_stats.num_beacons; |
| } |
| |
| /* Allocate resources for the MAC context, and add it to the fw */ |
| ret = iwl_mvm_mac_ctxt_init(mvmvif); |
| if (ret != ZX_OK) { |
| goto out_unlock; |
| } |
| |
| #if 0 // NEEDS_PORTING |
| /* Currently not much to do for NAN */ |
| if (vif->type == NL80211_IFTYPE_NAN) { goto out_unlock; } |
| |
| /* Counting number of interfaces is needed for legacy PM */ |
| if (vif->type != NL80211_IFTYPE_P2P_DEVICE) { mvm->vif_count++; } |
| |
| /* |
| * The AP binding flow can be done only after the beacon |
| * template is configured (which happens only in the mac80211 |
| * start_ap() flow), and adding the broadcast station can happen |
| * only after the binding. |
| * In addition, since modifying the MAC before adding a bcast |
| * station is not allowed by the FW, delay the adding of MAC context to |
| * the point where we can also add the bcast station. |
| * In short: there's not much we can do at this point, other than |
| * allocating resources :) |
| */ |
| if (vif->type == NL80211_IFTYPE_AP || vif->type == NL80211_IFTYPE_ADHOC) { |
| ret = iwl_mvm_alloc_bcast_sta(mvm, vif); |
| if (ret) { |
| IWL_ERR(mvm, "Failed to allocate bcast sta\n"); |
| goto out_release; |
| } |
| |
| /* |
| * Only queue for this station is the mcast queue, |
| * which shouldn't be in TFD mask anyway |
| */ |
| ret = iwl_mvm_allocate_int_sta(mvm, &mvmvif->mcast_sta, 0, vif->type, IWL_STA_MULTICAST); |
| if (ret) { goto out_release; } |
| |
| iwl_mvm_vif_dbgfs_register(mvm, vif); |
| goto out_unlock; |
| } |
| |
| mvmvif->features |= hw->netdev_features; |
| #endif // NEEDS_PORTING |
| mvm->vif_count++; |
| |
| ret = iwl_mvm_mac_ctxt_add(mvmvif); |
| if (ret != ZX_OK) { |
| goto out_release; |
| } |
| |
| #if 0 // NEEDS_PORTING |
| ret = iwl_mvm_power_update_mac(mvm); |
| if (ret) { goto out_remove_mac; } |
| |
| /* beacon filtering */ |
| ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); |
| if (ret != ZX_OK) { goto out_remove_mac; } |
| |
| if (!mvm->bf_allowed_vif && vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { |
| mvm->bf_allowed_vif = mvmvif; |
| vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | IEEE80211_VIF_SUPPORTS_CQM_RSSI; |
| } |
| |
| /* |
| * P2P_DEVICE interface does not have a channel context assigned to it, |
| * so a dedicated PHY context is allocated to it and the corresponding |
| * MAC context is bound to it at this stage. |
| */ |
| if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { |
| mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); |
| if (!mvmvif->phy_ctxt) { |
| ret = -ENOSPC; |
| goto out_free_bf; |
| } |
| |
| iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); |
| ret = iwl_mvm_binding_add_vif(mvm, vif); |
| if (ret) { goto out_unref_phy; } |
| |
| #ifdef CPTCFG_IWLWIFI_FRQ_MGR |
| iwl_mvm_update_ctx_tx_power_limit(mvm, vif, mvmvif->phy_ctxt); |
| #endif |
| |
| ret = iwl_mvm_add_p2p_bcast_sta(mvm, vif); |
| if (ret) { goto out_unbind; } |
| |
| /* Save a pointer to p2p device vif, so it can later be used to |
| * update the p2p device MAC when a GO is started/stopped */ |
| mvm->p2p_device_vif = vif; |
| } |
| |
| iwl_mvm_tcm_add_vif(mvm, vif); |
| |
| if (vif->type == NL80211_IFTYPE_MONITOR) { mvm->monitor_on = true; } |
| |
| iwl_mvm_vif_dbgfs_register(mvm, vif); |
| #endif // NEEDS_PORTING |
| goto out_unlock; |
| |
| #if 0 // NEEDS_PORTING |
| out_unbind: |
| iwl_mvm_binding_remove_vif(mvm, vif); |
| out_unref_phy: |
| iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); |
| out_free_bf: |
| if (mvm->bf_allowed_vif == mvmvif) { |
| mvm->bf_allowed_vif = NULL; |
| vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | IEEE80211_VIF_SUPPORTS_CQM_RSSI); |
| } |
| out_remove_mac: |
| #endif // NEEDS_PORTING |
| mvmvif->phy_ctxt = NULL; |
| iwl_mvm_mac_ctxt_remove(mvmvif); |
| out_release: |
| #if 0 // NEEDS_PORTING |
| if (vif->type != NL80211_IFTYPE_P2P_DEVICE) { mvm->vif_count--; } |
| #endif // NEEDS_PORTING |
| mvm->vif_count--; |
| out_unlock: |
| mtx_unlock(&mvm->mutex); |
| |
| iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF); |
| |
| return ret; |
| } |
| |
| #if 0 // NEEDS_PORTING |
| static void iwl_mvm_prepare_mac_removal(struct iwl_mvm* mvm, struct ieee80211_vif* vif) { |
| if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { |
| /* |
| * Flush the ROC worker which will flush the OFFCHANNEL queue. |
| * We assume here that all the packets sent to the OFFCHANNEL |
| * queue are sent in ROC session. |
| */ |
| flush_work(&mvm->roc_done_wk); |
| } |
| } |
| #endif // NEEDS_PORTING |
| |
| zx_status_t iwl_mvm_mac_remove_interface(struct iwl_mvm_vif* mvmvif) { |
| struct iwl_mvm* mvm = mvmvif->mvm; |
| struct iwl_probe_resp_data* probe_data; |
| |
| #if 0 // NEEDS_PORTING |
| iwl_mvm_prepare_mac_removal(mvm, vif); |
| |
| if (vif->type == NL80211_IFTYPE_NAN) { |
| struct wireless_dev* wdev = ieee80211_vif_to_wdev(vif); |
| /* cfg80211 should stop NAN before interface removal */ |
| if (wdev && WARN_ON(wdev_running(wdev))) { iwl_mvm_stop_nan(hw, vif); } |
| |
| return; |
| } |
| |
| if (!(vif->type == NL80211_IFTYPE_AP || vif->type == NL80211_IFTYPE_ADHOC)) { |
| iwl_mvm_tcm_rm_vif(mvm, vif); |
| } |
| #endif // NEEDS_PORTING |
| |
| mtx_lock(&mvm->mutex); |
| |
| probe_data = iwl_rcu_exchange(mvmvif->probe_resp_data, NULL); |
| if (probe_data) { |
| iwl_rcu_free_sync(mvm->dev, probe_data); |
| } |
| |
| #if 0 // NEEDS_PORTING |
| if (mvm->bf_allowed_vif == mvmvif) { |
| mvm->bf_allowed_vif = NULL; |
| vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | IEEE80211_VIF_SUPPORTS_CQM_RSSI); |
| } |
| |
| iwl_mvm_vif_dbgfs_clean(mvm, vif); |
| |
| /* |
| * For AP/GO interface, the tear down of the resources allocated to the |
| * interface is be handled as part of the stop_ap flow. |
| */ |
| if (vif->type == NL80211_IFTYPE_AP || vif->type == NL80211_IFTYPE_ADHOC) { |
| #ifdef CPTCFG_NL80211_TESTMODE |
| if (vif == mvm->noa_vif) { |
| mvm->noa_vif = NULL; |
| mvm->noa_duration = 0; |
| } |
| #endif |
| iwl_mvm_dealloc_int_sta(mvm, &mvmvif->mcast_sta); |
| iwl_mvm_dealloc_bcast_sta(mvm, vif); |
| goto out_release; |
| } |
| #endif // NEEDS_PORTING |
| |
| #ifdef CPTCFG_IWLMVM_P2P_OPPPS_TEST_WA |
| if (mvmvif == mvm->p2p_opps_test_wa_vif) { |
| mvm->p2p_opps_test_wa_vif = NULL; |
| } |
| #endif |
| |
| #if 0 // NEEDS_PORTING |
| if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { |
| mvm->p2p_device_vif = NULL; |
| iwl_mvm_rm_p2p_bcast_sta(mvm, vif); |
| iwl_mvm_binding_remove_vif(mvm, vif); |
| iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); |
| mvmvif->phy_ctxt = NULL; |
| } |
| |
| if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE) { mvm->vif_count--; } |
| #endif // NEEDS_PORTING |
| if (mvm->vif_count) { |
| mvm->vif_count--; |
| } |
| |
| #if 0 // NEEDS_PORTING |
| iwl_mvm_power_update_mac(mvm); |
| #endif // NEEDS_PORTING |
| zx_status_t ret = iwl_mvm_mac_ctxt_remove(mvmvif); |
| |
| #if 0 // NEEDS_PORTING |
| if (vif->type == NL80211_IFTYPE_MONITOR) { mvm->monitor_on = false; } |
| #endif // NEEDS_PORTING |
| |
| #ifdef CPTCFG_IWLMVM_TDLS_PEER_CACHE |
| iwl_mvm_tdls_peer_cache_clear(mvm, vif); |
| #endif /* CPTCFG_IWLMVM_TDLS_PEER_CACHE */ |
| |
| #if 0 // NEEDS_PORTING |
| out_release: |
| #endif // NEEDS_PORTING |
| mtx_unlock(&mvm->mutex); |
| |
| return ret; |
| } |
| |
| #if 0 // NEEDS_PORTING |
| static int iwl_mvm_mac_config(struct ieee80211_hw* hw, uint32_t changed) { |
| return 0; |
| } |
| #endif // NEEDS_PORTING |
| |
| struct iwl_mvm_mc_iter_data { |
| struct iwl_mvm* mvm; |
| int port_id; |
| }; |
| |
| // Once the interface becomes an associated client interface, the driver uses the pre-configured |
| // MCAST_FILTER_CMD to tell firmware the multicast packets it is interested so that the firmware |
| // can forward them to driver when the firmware receives them. |
| // |
| static void iwl_mvm_mc_iface_iterator(void* _data, struct iwl_mvm_vif* mvmvif) { |
| struct iwl_mvm_mc_iter_data* data = _data; |
| struct iwl_mvm* mvm = data->mvm; |
| struct iwl_mcast_filter_cmd* cmd = mvm->mcast_filter_cmd; |
| struct iwl_host_cmd hcmd = { |
| .id = MCAST_FILTER_CMD, |
| .flags = CMD_ASYNC, |
| .dataflags[0] = IWL_HCMD_DFL_NOCOPY, |
| }; |
| int ret, len; |
| |
| #ifdef CPTCFG_IWLMVM_VENDOR_CMDS |
| if (!(mvm->rx_filters & IWL_MVM_VENDOR_RXFILTER_EINVAL) && mvm->mcast_active_filter_cmd) { |
| cmd = mvm->mcast_active_filter_cmd; |
| } |
| #endif |
| |
| /* if we don't have free ports, mcast frames will be dropped */ |
| if (data->port_id >= MAX_PORT_ID_NUM) { |
| IWL_WARN(mvmvif, "%s(): port id (%d) is larger than max port number (%d)\n", __func__, |
| data->port_id, MAX_PORT_ID_NUM); |
| return; |
| } |
| |
| // Only client interface can continue. Other interfaces will be ignored. |
| if (mvmvif->mac_role != WLAN_MAC_ROLE_CLIENT || !mvmvif->bss_conf.assoc) { |
| IWL_ERR(mvmvif, "unexpected state while setting mcast filter. role: %d!=%d or assoc: %d!=%d\n", |
| mvmvif->mac_role, WLAN_MAC_ROLE_CLIENT, mvmvif->bss_conf.assoc, true); |
| return; |
| } |
| |
| cmd->port_id = data->port_id++; |
| memcpy(cmd->bssid, mvmvif->bss_conf.bssid, ETH_ALEN); |
| len = ROUND_UP(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); |
| |
| hcmd.len[0] = len; |
| hcmd.data[0] = cmd; |
| |
| ret = iwl_mvm_send_cmd(mvm, &hcmd); |
| if (ret != ZX_OK) { |
| IWL_ERR(mvmvif, "mcast filter cmd error. ret=%s\n", zx_status_get_string(ret)); |
| } |
| } |
| |
| // Traverse all interfaces and set the multicast filter for associated client interface. |
| static void iwl_mvm_recalc_multicast(struct iwl_mvm* mvm) { |
| struct iwl_mvm_mc_iter_data iter_data = { |
| .mvm = mvm, |
| }; |
| |
| iwl_assert_lock_held(&mvm->mutex); |
| |
| if (!mvm->mcast_filter_cmd) { |
| IWL_WARN(mvm, "%s(): mcast_filter_cmd is NULL\n", __func__); |
| return; |
| } |
| |
| ieee80211_iterate_active_interfaces_atomic(mvm, iwl_mvm_mc_iface_iterator, &iter_data); |
| } |
| |
| #if 0 // NEEDS_PORTING |
| // TODO(51238): implement iwl_mvm_prepare_multicast() |
| static uint64_t iwl_mvm_prepare_multicast(struct ieee80211_hw* hw, |
| struct netdev_hw_addr_list* mc_list) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| struct iwl_mcast_filter_cmd* cmd; |
| struct netdev_hw_addr* addr; |
| int addr_count; |
| bool pass_all; |
| int len; |
| |
| addr_count = netdev_hw_addr_list_count(mc_list); |
| pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || IWL_MVM_FW_MCAST_FILTER_PASS_ALL; |
| if (pass_all) { addr_count = 0; } |
| |
| 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; |
| return (uint64_t)(unsigned long)cmd; |
| } |
| |
| netdev_hw_addr_list_for_each(addr, mc_list) { |
| IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", cmd->count, addr->addr); |
| memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], addr->addr, ETH_ALEN); |
| cmd->count++; |
| } |
| |
| return (uint64_t)(unsigned long)cmd; |
| } |
| #endif // NEEDS_PORTING |
| |
| void iwl_mvm_configure_filter(struct iwl_mvm* mvm) { |
| // There are 3 multicast addresses we want firmware to pass it to driver. |
| // TODO(51238): remove the hardcoded mcast_addrs after iwl_mvm_prepare_multicast() is implemented. |
| uint8_t mcast_addrs[][ETH_ALEN] = { |
| { |
| // IPv6 mutlicast address |
| 0x33, |
| 0x33, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x01, |
| }, |
| { |
| // IPv6 mutlicast address |
| 0x33, |
| 0x33, |
| 0x00, |
| 0x00, |
| 0x00, |
| 0x02, |
| }, |
| { |
| // IPv4 mutlicast address |
| 0x01, |
| 0x00, |
| 0x5e, |
| 0x00, |
| 0x00, |
| 0x01, |
| }, |
| }; |
| |
| struct iwl_mcast_filter_cmd* cmd = |
| calloc(1, sizeof(struct iwl_mcast_filter_cmd) + sizeof(mcast_addrs)); |
| |
| mtx_lock(&mvm->mutex); |
| |
| /* replace previous configuration */ |
| free(mvm->mcast_filter_cmd); |
| mvm->mcast_filter_cmd = cmd; |
| if (!cmd) { |
| goto out; |
| } |
| |
| if (cmd->pass_all) { |
| cmd->count = 0; |
| } |
| |
| for (size_t i = 0; i < ARRAY_SIZE(mcast_addrs); i++) { |
| size_t offset = i * ETH_ALEN; |
| memcpy(&cmd->addr_list[offset], mcast_addrs[i], ETH_ALEN); |
| } |
| cmd->count = ARRAY_SIZE(mcast_addrs); |
| |
| #ifdef CPTCFG_IWLMVM_VENDOR_CMDS |
| iwl_mvm_active_rx_filters(mvm); |
| #endif |
| iwl_mvm_recalc_multicast(mvm); |
| out: |
| mtx_unlock(&mvm->mutex); |
| } |
| |
| #if 0 // NEEDS_PORTING |
| static void iwl_mvm_config_iface_filter(struct ieee80211_hw* hw, struct ieee80211_vif* vif, |
| unsigned int filter_flags, unsigned int changed_flags) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| |
| /* We support only filter for probe requests */ |
| if (!(changed_flags & FIF_PROBE_REQ)) { return; } |
| |
| /* Supported only for p2p client interfaces */ |
| if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc || !vif->p2p) { return; } |
| |
| mutex_lock(&mvm->mutex); |
| iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); |
| mutex_unlock(&mvm->mutex); |
| } |
| |
| #ifdef CPTCFG_IWLWIFI_BCAST_FILTERING |
| struct iwl_bcast_iter_data { |
| struct iwl_mvm* mvm; |
| struct iwl_bcast_filter_cmd* cmd; |
| uint8_t current_filter; |
| }; |
| |
| static void iwl_mvm_set_bcast_filter(struct ieee80211_vif* vif, |
| const struct iwl_fw_bcast_filter* in_filter, |
| struct iwl_fw_bcast_filter* out_filter) { |
| struct iwl_fw_bcast_filter_attr* attr; |
| int i; |
| |
| memcpy(out_filter, in_filter, sizeof(*out_filter)); |
| |
| for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) { |
| attr = &out_filter->attrs[i]; |
| |
| if (!attr->mask) { break; } |
| |
| switch (attr->reserved1) { |
| case cpu_to_le16(BC_FILTER_MAGIC_IP): |
| if (vif->bss_conf.arp_addr_cnt != 1) { |
| attr->mask = 0; |
| continue; |
| } |
| |
| attr->val = vif->bss_conf.arp_addr_list[0]; |
| break; |
| case cpu_to_le16(BC_FILTER_MAGIC_MAC): |
| attr->val = *(__be32*)&vif->addr[2]; |
| break; |
| default: |
| break; |
| } |
| attr->reserved1 = 0; |
| out_filter->num_attrs++; |
| } |
| } |
| |
| static void iwl_mvm_bcast_filter_iterator(void* _data, uint8_t* mac, struct ieee80211_vif* vif) { |
| struct iwl_bcast_iter_data* data = _data; |
| struct iwl_mvm* mvm = data->mvm; |
| struct iwl_bcast_filter_cmd* cmd = data->cmd; |
| struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| struct iwl_fw_bcast_mac* bcast_mac; |
| int i; |
| |
| if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs))) { return; } |
| |
| bcast_mac = &cmd->macs[mvmvif->id]; |
| |
| /* |
| * enable filtering only for associated stations, but not for P2P |
| * Clients |
| */ |
| if (vif->type != NL80211_IFTYPE_STATION || vif->p2p || !vif->bss_conf.assoc) { return; } |
| |
| bcast_mac->default_discard = 1; |
| |
| /* copy all configured filters */ |
| for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) { |
| /* |
| * Make sure we don't exceed our filters limit. |
| * if there is still a valid filter to be configured, |
| * be on the safe side and just allow bcast for this mac. |
| */ |
| if (WARN_ON_ONCE(data->current_filter >= ARRAY_SIZE(cmd->filters))) { |
| bcast_mac->default_discard = 0; |
| bcast_mac->attached_filters = 0; |
| break; |
| } |
| |
| iwl_mvm_set_bcast_filter(vif, &mvm->bcast_filters[i], &cmd->filters[data->current_filter]); |
| |
| /* skip current filter if it contains no attributes */ |
| if (!cmd->filters[data->current_filter].num_attrs) { continue; } |
| |
| /* attach the filter to current mac */ |
| bcast_mac->attached_filters |= cpu_to_le16(BIT(data->current_filter)); |
| |
| data->current_filter++; |
| } |
| } |
| |
| bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm* mvm, struct iwl_bcast_filter_cmd* cmd) { |
| struct iwl_bcast_iter_data iter_data = { |
| .mvm = mvm, |
| .cmd = cmd, |
| }; |
| |
| if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL) { return false; } |
| |
| memset(cmd, 0, sizeof(*cmd)); |
| cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters); |
| cmd->max_macs = ARRAY_SIZE(cmd->macs); |
| |
| #ifdef CPTCFG_IWLWIFI_DEBUGFS |
| /* use debugfs filters/macs if override is configured */ |
| if (mvm->dbgfs_bcast_filtering.override) { |
| memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters, sizeof(cmd->filters)); |
| memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs, sizeof(cmd->macs)); |
| return true; |
| } |
| #endif |
| |
| /* if no filters are configured, do nothing */ |
| if (!mvm->bcast_filters) { return false; } |
| |
| #ifdef CPTCFG_IWLMVM_VENDOR_CMDS |
| if (!(mvm->rx_filters & IWL_MVM_VENDOR_RXFILTER_EINVAL) && |
| mvm->rx_filters & IWL_MVM_VENDOR_RXFILTER_BCAST) { |
| cmd->disable = 1; |
| return true; |
| } |
| #endif |
| /* configure and attach these filters for each associated sta vif */ |
| ieee80211_iterate_active_interfaces(mvm->hw, IEEE80211_IFACE_ITER_NORMAL, |
| iwl_mvm_bcast_filter_iterator, &iter_data); |
| |
| return true; |
| } |
| |
| int iwl_mvm_configure_bcast_filter(struct iwl_mvm* mvm) { |
| struct iwl_bcast_filter_cmd cmd; |
| |
| if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING)) { return 0; } |
| |
| if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) { return 0; } |
| |
| return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, sizeof(cmd), &cmd); |
| } |
| #else |
| inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm* mvm) { |
| return 0; |
| } |
| #endif |
| |
| static int iwl_mvm_update_mu_groups(struct iwl_mvm* mvm, struct ieee80211_vif* vif) { |
| struct iwl_mu_group_mgmt_cmd cmd = {}; |
| |
| memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, WLAN_MEMBERSHIP_LEN); |
| memcpy(cmd.user_position, vif->bss_conf.mu_group.position, WLAN_USER_POSITION_LEN); |
| |
| return iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(DATA_PATH_GROUP, UPDATE_MU_GROUPS_CMD), 0, sizeof(cmd), |
| &cmd); |
| } |
| |
| static void iwl_mvm_mu_mimo_iface_iterator(void* _data, uint8_t* mac, struct ieee80211_vif* vif) { |
| if (vif->mu_mimo_owner) { |
| struct iwl_mu_group_mgmt_notif* notif = _data; |
| |
| /* |
| * MU-MIMO Group Id action frame is little endian. We treat |
| * the data received from firmware as if it came from the |
| * action frame, so no conversion is needed. |
| */ |
| ieee80211_update_mu_groups(vif, (uint8_t*)¬if->membership_status, |
| (uint8_t*)¬if->user_position); |
| } |
| } |
| |
| void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm* mvm, struct iwl_rx_cmd_buffer* rxb) { |
| struct iwl_rx_packet* pkt = rxb_addr(rxb); |
| struct iwl_mu_group_mgmt_notif* notif = (void*)pkt->data; |
| |
| ieee80211_iterate_active_interfaces_atomic(mvm->hw, IEEE80211_IFACE_ITER_NORMAL, |
| iwl_mvm_mu_mimo_iface_iterator, notif); |
| } |
| |
| static uint8_t iwl_mvm_he_get_ppe_val(uint8_t* ppe, uint8_t ppe_pos_bit) { |
| uint8_t byte_num = ppe_pos_bit / 8; |
| uint8_t bit_num = ppe_pos_bit % 8; |
| uint8_t residue_bits; |
| uint8_t res; |
| |
| if (bit_num <= 5) { |
| return (ppe[byte_num] >> bit_num) & (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); |
| } |
| |
| /* |
| * If bit_num > 5, we have to combine bits with next byte. |
| * Calculate how many bits we need to take from current byte (called |
| * here "residue_bits"), and add them to bits from next byte. |
| */ |
| |
| residue_bits = 8 - bit_num; |
| |
| res = (ppe[byte_num + 1] & (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) |
| << residue_bits; |
| res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); |
| |
| return res; |
| } |
| |
| static const uint8_t mac80211_ac_to_ucode_ac[] = {AC_VO, AC_VI, AC_BE, AC_BK}; |
| |
| static void iwl_mvm_cfg_he_sta(struct iwl_mvm* mvm, struct ieee80211_vif* vif, uint8_t sta_id) { |
| struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| struct iwl_he_sta_context_cmd sta_ctxt_cmd = { |
| .sta_id = sta_id, |
| .tid_limit = IWL_MAX_TID_COUNT, |
| .bss_color = vif->bss_conf.bss_color, |
| .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, |
| .frame_time_rts_th = cpu_to_le16(vif->bss_conf.frame_time_rts_th), |
| }; |
| struct ieee80211_sta* sta; |
| uint32_t flags; |
| int i; |
| |
| rcu_read_lock(); |
| |
| sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); |
| if (IS_ERR(sta)) { |
| rcu_read_unlock(); |
| WARN(1, "Can't find STA to configure HE\n"); |
| return; |
| } |
| |
| if (!sta->he_cap.has_he) { |
| rcu_read_unlock(); |
| return; |
| } |
| |
| flags = 0; |
| |
| /* HTC flags */ |
| if (sta->he_cap.he_cap_elem.mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) { |
| sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); |
| } |
| if ((sta->he_cap.he_cap_elem.mac_cap_info[1] & IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || |
| (sta->he_cap.he_cap_elem.mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { |
| uint8_t link_adap = |
| ((sta->he_cap.he_cap_elem.mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) |
| << 1) + |
| (sta->he_cap.he_cap_elem.mac_cap_info[1] & IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); |
| |
| if (link_adap == 2) { |
| sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); |
| } else if (link_adap == 3) { |
| sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); |
| } |
| } |
| if (sta->he_cap.he_cap_elem.mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) { |
| sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); |
| } |
| if (sta->he_cap.he_cap_elem.mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL) { |
| sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); |
| } |
| if (sta->he_cap.he_cap_elem.mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) { |
| sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); |
| } |
| |
| /* |
| * Initialize the PPE thresholds to "None" (7), as described in Table |
| * 9-262ac of 80211.ax/D3.0. |
| */ |
| memset(&sta_ctxt_cmd.pkt_ext, 7, sizeof(sta_ctxt_cmd.pkt_ext)); |
| |
| /* If PPE Thresholds exist, parse them into a FW-familiar format. */ |
| if (sta->he_cap.he_cap_elem.phy_cap_info[6] & IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { |
| uint8_t nss = (sta->he_cap.ppe_thres[0] & IEEE80211_PPE_THRES_NSS_MASK) + 1; |
| uint8_t ru_index_bitmap = |
| (sta->he_cap.ppe_thres[0] & IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK) >> |
| IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS; |
| uint8_t* ppe = &sta->he_cap.ppe_thres[0]; |
| uint8_t ppe_pos_bit = 7; /* Starting after PPE header */ |
| |
| /* |
| * FW currently supports only nss == MAX_HE_SUPP_NSS |
| * |
| * If nss > MAX: we can ignore values we don't support |
| * If nss < MAX: we can set zeros in other streams |
| */ |
| if (nss > MAX_HE_SUPP_NSS) { |
| IWL_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, MAX_HE_SUPP_NSS); |
| nss = MAX_HE_SUPP_NSS; |
| } |
| |
| for (i = 0; i < nss; i++) { |
| uint8_t ru_index_tmp = ru_index_bitmap << 1; |
| uint8_t bw; |
| |
| for (bw = 0; bw < MAX_HE_CHANNEL_BW_INDX; bw++) { |
| ru_index_tmp >>= 1; |
| if (!(ru_index_tmp & 1)) { continue; } |
| |
| sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][1] = |
| iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); |
| ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; |
| sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][0] = |
| iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); |
| ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; |
| } |
| } |
| |
| flags |= STA_CTXT_HE_PACKET_EXT; |
| } |
| rcu_read_unlock(); |
| |
| /* Mark MU EDCA as enabled, unless none detected on some AC */ |
| flags |= STA_CTXT_HE_MU_EDCA_CW; |
| for (i = 0; i < IEEE80211_AC_MAX; i++) { |
| struct ieee80211_he_mu_edca_param_ac_rec* mu_edca = |
| &mvmvif->queue_params[i].mu_edca_param_rec; |
| uint8_t ac = mac80211_ac_to_ucode_ac[i]; |
| |
| if (!mvmvif->queue_params[i].mu_edca) { |
| flags &= ~STA_CTXT_HE_MU_EDCA_CW; |
| break; |
| } |
| |
| sta_ctxt_cmd.trig_based_txf[ac].cwmin = cpu_to_le16(mu_edca->ecw_min_max & 0xf); |
| sta_ctxt_cmd.trig_based_txf[ac].cwmax = cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); |
| sta_ctxt_cmd.trig_based_txf[ac].aifsn = cpu_to_le16(mu_edca->aifsn & 0xf); |
| sta_ctxt_cmd.trig_based_txf[ac].mu_time = cpu_to_le16(mu_edca->mu_edca_timer); |
| } |
| |
| if (vif->bss_conf.multi_sta_back_32bit) { flags |= STA_CTXT_HE_32BIT_BA_BITMAP; } |
| |
| if (vif->bss_conf.ack_enabled) { flags |= STA_CTXT_HE_ACK_ENABLED; } |
| |
| if (vif->bss_conf.uora_exists) { |
| flags |= STA_CTXT_HE_TRIG_RND_ALLOC; |
| |
| sta_ctxt_cmd.rand_alloc_ecwmin = vif->bss_conf.uora_ocw_range & 0x7; |
| sta_ctxt_cmd.rand_alloc_ecwmax = (vif->bss_conf.uora_ocw_range >> 3) & 0x7; |
| } |
| |
| if (!(sta->he_cap.he_cap_elem.mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_ACK_EN)) { |
| flags |= STA_CTXT_HE_NIC_NOT_ACK_ENABLED; |
| } |
| |
| #ifdef CPTCFG_IWLWIFI_SUPPORT_DEBUG_OVERRIDES |
| if (mvm->trans->dbg_cfg.no_ack_en & 0x2) { flags &= ~STA_CTXT_HE_ACK_ENABLED; } |
| #endif |
| |
| /* TODO: support Multi BSSID IE */ |
| |
| sta_ctxt_cmd.flags = cpu_to_le32(flags); |
| |
| if (iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(STA_HE_CTXT_CMD, DATA_PATH_GROUP, 0), 0, |
| sizeof(sta_ctxt_cmd), &sta_ctxt_cmd)) { |
| IWL_ERR(mvm, "Failed to config FW to work HE!\n"); |
| } |
| } |
| |
| static void iwl_mvm_bss_info_changed_station(struct iwl_mvm* mvm, struct ieee80211_vif* vif, |
| struct ieee80211_bss_conf* bss_conf, |
| uint32_t changes) { |
| struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| int ret; |
| |
| /* |
| * Re-calculate the tsf id, as the master-slave relations depend on the |
| * beacon interval, which was not known when the station interface was |
| * added. |
| */ |
| if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc) { |
| if (vif->bss_conf.he_support && !iwlwifi_mod_params.disable_11ax) { |
| iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id); |
| } |
| |
| iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); |
| } |
| |
| /* |
| * If we're not associated yet, take the (new) BSSID before associating |
| * so the firmware knows. If we're already associated, then use the old |
| * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC |
| * branch for disassociation below. |
| */ |
| if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) { |
| memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); |
| } |
| |
| ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid); |
| if (ret) { IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); } |
| |
| /* after sending it once, adopt mac80211 data */ |
| memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); |
| mvmvif->associated = bss_conf->assoc; |
| |
| if (changes & BSS_CHANGED_ASSOC) { |
| if (bss_conf->assoc) { |
| /* clear statistics to get clean beacon counter */ |
| iwl_mvm_request_statistics(mvm, true); |
| memset(&mvmvif->beacon_stats, 0, sizeof(mvmvif->beacon_stats)); |
| |
| /* add quota for this interface */ |
| ret = iwl_mvm_update_quotas(mvm, true, NULL); |
| if (ret) { |
| IWL_ERR(mvm, "failed to update quotas\n"); |
| return; |
| } |
| |
| if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { |
| /* |
| * If we're restarting then the firmware will |
| * obviously have lost synchronisation with |
| * the AP. It will attempt to synchronise by |
| * itself, but we can make it more reliable by |
| * scheduling a session protection time event. |
| * |
| * The firmware needs to receive a beacon to |
| * catch up with synchronisation, use 110% of |
| * the beacon interval. |
| * |
| * Set a large maximum delay to allow for more |
| * than a single interface. |
| */ |
| uint32_t dur = (11 * vif->bss_conf.beacon_int) / 10; |
| iwl_mvm_protect_session(mvm, vif, dur, dur, 5 * dur, false); |
| } |
| |
| iwl_mvm_sf_update(mvm, vif, false); |
| iwl_mvm_power_vif_assoc(mvm, vif); |
| if (vif->p2p) { |
| iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT); |
| iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_PROT, IEEE80211_SMPS_DYNAMIC); |
| } |
| } else if (mvmvif->ap_sta_id != IWL_MVM_INVALID_STA) { |
| /* |
| * If update fails - SF might be running in associated |
| * mode while disassociated - which is forbidden. |
| */ |
| WARN_ONCE(iwl_mvm_sf_update(mvm, vif, false), |
| "Failed to update SF upon disassociation\n"); |
| |
| /* |
| * If we get an assert during the connection (after the |
| * station has been added, but before the vif is set |
| * to associated), mac80211 will re-add the station and |
| * then configure the vif. Since the vif is not |
| * associated, we would remove the station here and |
| * this would fail the recovery. |
| */ |
| if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { |
| /* |
| * Remove AP station now that |
| * the MAC is unassoc |
| */ |
| ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id); |
| if (ret) { IWL_ERR(mvm, "failed to remove AP station\n"); } |
| |
| if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id) { |
| mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA; |
| } |
| mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; |
| } |
| |
| /* remove quota for this interface */ |
| ret = iwl_mvm_update_quotas(mvm, false, NULL); |
| if (ret) { IWL_ERR(mvm, "failed to update quotas\n"); } |
| |
| if (vif->p2p) { iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT); } |
| |
| /* this will take the cleared BSSID from bss_conf */ |
| ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); |
| if (ret) { |
| IWL_ERR(mvm, "failed to update MAC %pM (clear after unassoc)\n", vif->addr); |
| } |
| } |
| |
| /* |
| * The firmware tracks the MU-MIMO group on its own. |
| * However, on HW restart we should restore this data. |
| */ |
| if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && |
| (changes & BSS_CHANGED_MU_GROUPS) && vif->mu_mimo_owner) { |
| ret = iwl_mvm_update_mu_groups(mvm, vif); |
| if (ret) { IWL_ERR(mvm, "failed to update VHT MU_MIMO groups\n"); } |
| } |
| |
| iwl_mvm_recalc_multicast(mvm); |
| iwl_mvm_configure_bcast_filter(mvm); |
| |
| /* reset rssi values */ |
| mvmvif->bf_data.ave_beacon_signal = 0; |
| |
| iwl_mvm_bt_coex_vif_change(mvm); |
| iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, IEEE80211_SMPS_AUTOMATIC); |
| if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { |
| iwl_mvm_config_scan(mvm); |
| } |
| } |
| |
| if (changes & BSS_CHANGED_BEACON_INFO) { |
| /* |
| * We received a beacon from the associated AP so |
| * remove the session protection. |
| */ |
| iwl_mvm_stop_session_protection(mvm, vif); |
| |
| iwl_mvm_sf_update(mvm, vif, false); |
| WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); |
| } |
| |
| if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | |
| /* |
| * Send power command on every beacon change, |
| * because we may have not enabled beacon abort yet. |
| */ |
| BSS_CHANGED_BEACON_INFO)) { |
| ret = iwl_mvm_power_update_mac(mvm); |
| if (ret) { IWL_ERR(mvm, "failed to update power mode\n"); } |
| } |
| |
| if (changes & BSS_CHANGED_TXPOWER) { |
| IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", bss_conf->txpower); |
| iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); |
| } |
| |
| if (changes & BSS_CHANGED_CQM) { |
| IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n"); |
| /* reset cqm events tracking */ |
| mvmvif->bf_data.last_cqm_event = 0; |
| if (mvmvif->bf_data.bf_enabled) { |
| ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); |
| if (ret) { IWL_ERR(mvm, "failed to update CQM thresholds\n"); } |
| } |
| } |
| |
| if (changes & BSS_CHANGED_ARP_FILTER) { |
| IWL_DEBUG_MAC80211(mvm, "arp filter changed\n"); |
| iwl_mvm_configure_bcast_filter(mvm); |
| } |
| } |
| |
| static int iwl_mvm_start_ap_ibss(struct ieee80211_hw* hw, struct ieee80211_vif* vif) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| int ret; |
| |
| /* |
| * iwl_mvm_mac_ctxt_add() might read directly from the device |
| * (the system time), so make sure it is available. |
| */ |
| ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP); |
| if (ret) { return ret; } |
| |
| mutex_lock(&mvm->mutex); |
| |
| /* Send the beacon template */ |
| ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif); |
| if (ret) { goto out_unlock; } |
| |
| /* |
| * Re-calculate the tsf id, as the master-slave relations depend on the |
| * beacon interval, which was not known when the AP interface was added. |
| */ |
| if (vif->type == NL80211_IFTYPE_AP) { iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); } |
| |
| mvmvif->ap_assoc_sta_count = 0; |
| |
| /* Add the mac context */ |
| ret = iwl_mvm_mac_ctxt_add(mvm, vif); |
| if (ret) { goto out_unlock; } |
| |
| /* Perform the binding */ |
| ret = iwl_mvm_binding_add_vif(mvm, vif); |
| if (ret) { goto out_remove; } |
| |
| #ifdef CPTCFG_IWLWIFI_FRQ_MGR |
| iwl_mvm_update_ctx_tx_power_limit(mvm, vif, mvmvif->phy_ctxt); |
| #endif |
| |
| /* |
| * This is not very nice, but the simplest: |
| * For older FWs adding the mcast sta before the bcast station may |
| * cause assert 0x2b00. |
| * This is fixed in later FW so make the order of removal depend on |
| * the TLV |
| */ |
| if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { |
| ret = iwl_mvm_add_mcast_sta(mvm, vif); |
| if (ret) { goto out_unbind; } |
| /* |
| * Send the bcast station. At this stage the TBTT and DTIM time |
| * events are added and applied to the scheduler |
| */ |
| ret = iwl_mvm_send_add_bcast_sta(mvm, vif); |
| if (ret) { |
| iwl_mvm_rm_mcast_sta(mvm, vif); |
| goto out_unbind; |
| } |
| } else { |
| /* |
| * Send the bcast station. At this stage the TBTT and DTIM time |
| * events are added and applied to the scheduler |
| */ |
| ret = iwl_mvm_send_add_bcast_sta(mvm, vif); |
| if (ret) { goto out_unbind; } |
| ret = iwl_mvm_add_mcast_sta(mvm, vif); |
| if (ret) { |
| iwl_mvm_send_rm_bcast_sta(mvm, vif); |
| goto out_unbind; |
| } |
| } |
| |
| /* must be set before quota calculations */ |
| mvmvif->ap_ibss_active = true; |
| |
| if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { |
| iwl_mvm_vif_set_low_latency(mvmvif, true, LOW_LATENCY_VIF_TYPE); |
| iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); |
| } |
| |
| /* power updated needs to be done before quotas */ |
| iwl_mvm_power_update_mac(mvm); |
| |
| ret = iwl_mvm_update_quotas(mvm, false, NULL); |
| if (ret) { goto out_quota_failed; } |
| |
| /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ |
| if (vif->p2p && mvm->p2p_device_vif) { |
| iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); |
| } |
| |
| iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS); |
| |
| iwl_mvm_bt_coex_vif_change(mvm); |
| |
| /* we don't support TDLS during DCM */ |
| if (iwl_mvm_phy_ctx_count(mvm) > 1) { iwl_mvm_teardown_tdls_peers(mvm); } |
| |
| goto out_unlock; |
| |
| out_quota_failed: |
| iwl_mvm_power_update_mac(mvm); |
| mvmvif->ap_ibss_active = false; |
| iwl_mvm_send_rm_bcast_sta(mvm, vif); |
| iwl_mvm_rm_mcast_sta(mvm, vif); |
| out_unbind: |
| iwl_mvm_binding_remove_vif(mvm, vif); |
| out_remove: |
| iwl_mvm_mac_ctxt_remove(mvm, vif); |
| out_unlock: |
| mutex_unlock(&mvm->mutex); |
| iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP); |
| return ret; |
| } |
| |
| static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw* hw, struct ieee80211_vif* vif) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| |
| iwl_mvm_prepare_mac_removal(mvm, vif); |
| |
| mutex_lock(&mvm->mutex); |
| |
| /* Handle AP stop while in CSA */ |
| if (rcu_access_pointer(mvm->csa_vif) == vif) { |
| iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data); |
| RCU_INIT_POINTER(mvm->csa_vif, NULL); |
| mvmvif->csa_countdown = false; |
| } |
| |
| if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { |
| RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); |
| mvm->csa_tx_block_bcn_timeout = 0; |
| } |
| |
| mvmvif->ap_ibss_active = false; |
| mvm->ap_last_beacon_gp2 = 0; |
| |
| if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { |
| iwl_mvm_vif_set_low_latency(mvmvif, false, LOW_LATENCY_VIF_TYPE); |
| iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); |
| } |
| |
| iwl_mvm_bt_coex_vif_change(mvm); |
| |
| iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS); |
| |
| /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ |
| if (vif->p2p && mvm->p2p_device_vif) { |
| iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); |
| } |
| |
| iwl_mvm_update_quotas(mvm, false, NULL); |
| |
| /* |
| * This is not very nice, but the simplest: |
| * For older FWs removing the mcast sta before the bcast station may |
| * cause assert 0x2b00. |
| * This is fixed in later FW (which will stop beaconing when removing |
| * bcast station). |
| * So make the order of removal depend on the TLV |
| */ |
| if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { |
| iwl_mvm_rm_mcast_sta(mvm, vif); |
| } |
| iwl_mvm_send_rm_bcast_sta(mvm, vif); |
| if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { |
| iwl_mvm_rm_mcast_sta(mvm, vif); |
| } |
| iwl_mvm_binding_remove_vif(mvm, vif); |
| |
| iwl_mvm_power_update_mac(mvm); |
| |
| iwl_mvm_mac_ctxt_remove(mvm, vif); |
| |
| kfree(mvmvif->ap_wep_key); |
| mvmvif->ap_wep_key = NULL; |
| |
| mutex_unlock(&mvm->mutex); |
| } |
| |
| static void iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm* mvm, struct ieee80211_vif* vif, |
| struct ieee80211_bss_conf* bss_conf, |
| uint32_t changes) { |
| struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| |
| /* Changes will be applied when the AP/IBSS is started */ |
| if (!mvmvif->ap_ibss_active) { return; } |
| |
| if (changes & |
| (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && |
| iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) { |
| IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); |
| } |
| |
| /* Need to send a new beacon template to the FW */ |
| if (changes & BSS_CHANGED_BEACON && iwl_mvm_mac_ctxt_beacon_changed(mvm, vif)) { |
| IWL_WARN(mvm, "Failed updating beacon data\n"); |
| } |
| |
| if (changes & BSS_CHANGED_TXPOWER) { |
| IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", bss_conf->txpower); |
| iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); |
| } |
| } |
| |
| static void iwl_mvm_bss_info_changed(struct ieee80211_hw* hw, struct ieee80211_vif* vif, |
| struct ieee80211_bss_conf* bss_conf, uint32_t changes) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| |
| /* |
| * iwl_mvm_bss_info_changed_station() might call |
| * iwl_mvm_protect_session(), which reads directly from |
| * the device (the system time), so make sure it is available. |
| */ |
| if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED)) { return; } |
| |
| mutex_lock(&mvm->mutex); |
| |
| if (changes & BSS_CHANGED_IDLE && !bss_conf->idle) { |
| iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); |
| } |
| |
| switch (vif->type) { |
| case NL80211_IFTYPE_STATION: |
| iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); |
| break; |
| case NL80211_IFTYPE_AP: |
| case NL80211_IFTYPE_ADHOC: |
| iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); |
| break; |
| case NL80211_IFTYPE_MONITOR: |
| if (changes & BSS_CHANGED_MU_GROUPS) { iwl_mvm_update_mu_groups(mvm, vif); } |
| break; |
| default: |
| /* shouldn't happen */ |
| WARN_ON_ONCE(1); |
| } |
| |
| mutex_unlock(&mvm->mutex); |
| iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED); |
| } |
| #endif // NEEDS_PORTING |
| |
| // Modified from original iwl_mvm_mac_hw_scan() to split call path for active and passive. |
| zx_status_t iwl_mvm_mac_hw_scan_passive(struct iwl_mvm_vif* mvmvif, |
| const wlan_softmac_passive_scan_args_t* passive_scan_args, |
| uint64_t* out_scan_id) { |
| struct iwl_mvm* mvm = mvmvif->mvm; |
| zx_status_t ret; |
| |
| if (passive_scan_args->channels_count == 0 || |
| passive_scan_args->channels_count > mvm->fw->ucode_capa.n_scan_channels) { |
| IWL_WARN(mvmvif, "Cannot scan: invalid #channel (%zu). FW's cap (%d)\n", |
| passive_scan_args->channels_count, mvm->fw->ucode_capa.n_scan_channels); |
| return ZX_ERR_INVALID_ARGS; |
| } |
| |
| mtx_lock(&mvm->mutex); |
| ret = iwl_mvm_reg_scan_start_passive(mvmvif, passive_scan_args); |
| mtx_unlock(&mvm->mutex); |
| |
| if (ret != ZX_OK) { |
| return ret; |
| } |
| |
| // TODO(fxbug.dev/88934): scan_id is always 0 |
| *out_scan_id = 0; |
| return ret; |
| } |
| |
| #if 0 // NEEDS_PORTING |
| static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw* hw, struct ieee80211_vif* vif) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| |
| mutex_lock(&mvm->mutex); |
| |
| /* 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 scan before ieee80211_scan_work() could run. |
| * To handle that, simply return if the scan is not running. |
| */ |
| if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) { |
| iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); |
| } |
| |
| mutex_unlock(&mvm->mutex); |
| } |
| |
| static void iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw* hw, struct ieee80211_sta* sta, |
| uint16_t tids, int num_frames, |
| enum ieee80211_frame_release_type reason, |
| bool more_data) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| |
| /* Called when we need to transmit (a) frame(s) from mac80211 */ |
| |
| iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, tids, more_data, false); |
| } |
| |
| static void iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw* hw, struct ieee80211_sta* sta, |
| uint16_t tids, int num_frames, |
| enum ieee80211_frame_release_type reason, |
| bool more_data) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| |
| /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ |
| |
| iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, tids, more_data, true); |
| } |
| |
| static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw* hw, enum sta_notify_cmd cmd, |
| struct ieee80211_sta* sta) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| struct iwl_mvm_sta* mvmsta = iwl_mvm_sta_from_mac80211(sta); |
| unsigned long txqs = 0, tids = 0; |
| int tid; |
| |
| /* |
| * If we have TVQM then we get too high queue numbers - luckily |
| * we really shouldn't get here with that because such hardware |
| * should have firmware supporting buffer station offload. |
| */ |
| if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) { return; } |
| |
| spin_lock_bh(&mvmsta->lock); |
| for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { |
| struct iwl_mvm_tid_data* tid_data = &mvmsta->tid_data[tid]; |
| |
| if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) { continue; } |
| |
| __set_bit(tid_data->txq_id, &txqs); |
| |
| if (iwl_mvm_tid_queued(mvm, tid_data) == 0) { continue; } |
| |
| __set_bit(tid, &tids); |
| } |
| |
| switch (cmd) { |
| case STA_NOTIFY_SLEEP: |
| for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) ieee80211_sta_set_buffered(sta, tid, true); |
| |
| if (txqs) { iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); } |
| /* |
| * The fw updates the STA to be asleep. Tx packets on the Tx |
| * queues to this station will not be transmitted. The fw will |
| * send a Tx response with TX_STATUS_FAIL_DEST_PS. |
| */ |
| break; |
| case STA_NOTIFY_AWAKE: |
| if (WARN_ON(mvmsta->sta_id == IWL_MVM_INVALID_STA)) { break; } |
| |
| if (txqs) { iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); } |
| iwl_mvm_sta_modify_ps_wake(mvm, sta); |
| break; |
| default: |
| break; |
| } |
| spin_unlock_bh(&mvmsta->lock); |
| } |
| |
| static void iwl_mvm_mac_sta_notify(struct ieee80211_hw* hw, struct ieee80211_vif* vif, |
| enum sta_notify_cmd cmd, struct ieee80211_sta* sta) { |
| __iwl_mvm_mac_sta_notify(hw, cmd, sta); |
| } |
| |
| void iwl_mvm_sta_pm_notif(struct iwl_mvm* mvm, struct iwl_rx_cmd_buffer* rxb) { |
| struct iwl_rx_packet* pkt = rxb_addr(rxb); |
| struct iwl_mvm_pm_state_notification* notif = (void*)pkt->data; |
| struct ieee80211_sta* sta; |
| struct iwl_mvm_sta* mvmsta; |
| bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); |
| |
| if (WARN_ON(notif->sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))) { return; } |
| |
| rcu_read_lock(); |
| sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); |
| if (WARN_ON(IS_ERR_OR_NULL(sta))) { |
| rcu_read_unlock(); |
| return; |
| } |
| |
| mvmsta = iwl_mvm_sta_from_mac80211(sta); |
| |
| if (!mvmsta->vif || mvmsta->vif->type != NL80211_IFTYPE_AP) { |
| rcu_read_unlock(); |
| return; |
| } |
| |
| if (mvmsta->sleeping != sleeping) { |
| mvmsta->sleeping = sleeping; |
| __iwl_mvm_mac_sta_notify(mvm->hw, sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, sta); |
| ieee80211_sta_ps_transition(sta, sleeping); |
| } |
| |
| if (sleeping) { |
| switch (notif->type) { |
| case IWL_MVM_PM_EVENT_AWAKE: |
| case IWL_MVM_PM_EVENT_ASLEEP: |
| break; |
| case IWL_MVM_PM_EVENT_UAPSD: |
| ieee80211_sta_uapsd_trigger(sta, fuchsia_wlan_ieee80211_TIDS_MAX); |
| break; |
| case IWL_MVM_PM_EVENT_PS_POLL: |
| ieee80211_sta_pspoll(sta); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| rcu_read_unlock(); |
| } |
| |
| static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw* hw, struct ieee80211_vif* vif, |
| struct ieee80211_sta* sta) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| struct iwl_mvm_sta* mvm_sta = iwl_mvm_sta_from_mac80211(sta); |
| |
| /* |
| * 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. |
| */ |
| mutex_lock(&mvm->mutex); |
| if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id])) { |
| rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], ERR_PTR(-ENOENT)); |
| } |
| |
| mutex_unlock(&mvm->mutex); |
| } |
| |
| static void iwl_mvm_check_uapsd(struct iwl_mvm* mvm, struct ieee80211_vif* vif, |
| const uint8_t* bssid) { |
| int i; |
| |
| if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { |
| struct iwl_mvm_tcm_mac* mdata; |
| |
| mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; |
| ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); |
| mdata->opened_rx_ba_sessions = false; |
| } |
| |
| if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) { return; } |
| |
| if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { |
| vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; |
| return; |
| } |
| |
| if (!vif->p2p && (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { |
| vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; |
| return; |
| } |
| |
| for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { |
| if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { |
| vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; |
| return; |
| } |
| } |
| |
| vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; |
| } |
| |
| static void iwl_mvm_tdls_check_trigger(struct iwl_mvm* mvm, struct ieee80211_vif* vif, |
| uint8_t* peer_addr, enum nl80211_tdls_operation action) { |
| struct iwl_fw_dbg_trigger_tlv* trig; |
| struct iwl_fw_dbg_trigger_tdls* tdls_trig; |
| |
| trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), FW_DBG_TRIGGER_TDLS); |
| if (!trig) { return; } |
| |
| tdls_trig = (void*)trig->data; |
| |
| if (!(tdls_trig->action_bitmap & BIT(action))) { return; } |
| |
| if (tdls_trig->peer_mode && memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) { return; } |
| |
| iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, "TDLS event occurred, peer %pM, action %d", peer_addr, |
| action); |
| } |
| #endif // NEEDS_PORTING |
| |
| zx_status_t iwl_mvm_mac_sta_state(struct iwl_mvm_vif* mvmvif, struct iwl_mvm_sta* mvm_sta, |
| enum iwl_sta_state old_state, enum iwl_sta_state new_state) { |
| struct iwl_mvm* mvm = mvmvif->mvm; |
| zx_status_t ret; |
| |
| IWL_DEBUG_MAC80211(mvm, "station state change %d->%d\n", old_state, new_state); |
| |
| /* this would be a mac80211 bug ... but don't crash */ |
| if (!mvmvif->phy_ctxt) { |
| return ZX_ERR_BAD_STATE; |
| } |
| |
| #if 0 // NEEDS_PORTING |
| /* |
| * If we are in a STA removal flow and in DQA mode: |
| * |
| * This is after the sync_rcu part, so the queues have already been |
| * flushed. No more TXs on their way in mac80211's path, and no more in |
| * the queues. |
| * Also, we won't be getting any new TX frames for this station. |
| * What we might have are deferred TX frames that need to be taken care |
| * of. |
| * |
| * Drop any still-queued deferred-frame before removing the STA, and |
| * make sure the worker is no longer handling frames for this STA. |
| */ |
| if (old_state == IEEE80211_STA_NONE && new_state == IEEE80211_STA_NOTEXIST) { |
| flush_work(&mvm->add_stream_wk); |
| |
| /* |
| * No need to make sure deferred TX indication is off since the |
| * worker will already remove it if it was on |
| */ |
| } |
| #endif // NEEDS_PORTING |
| |
| mtx_lock(&mvm->mutex); |
| /* track whether or not the station is associated */ |
| mvm_sta->sta_state = new_state; |
| |
| if (old_state == IWL_STA_NOTEXIST && new_state == IWL_STA_NONE) { |
| /* |
| * Firmware bug - it'll crash if the beacon interval is less |
| * than 16. We can't avoid connecting at all, so refuse the |
| * station state change, this will cause mac80211 to abandon |
| * attempts to connect to this AP, and eventually wpa_s will |
| * blacklist the AP... |
| */ |
| if (mvmvif->mac_role == WLAN_MAC_ROLE_CLIENT && mvmvif->bss_conf.beacon_int < 16) { |
| IWL_ERR(mvm, "AP %pM beacon interval is %d, refusing due to firmware bug!\n", mvm_sta->addr, |
| mvmvif->bss_conf.beacon_int); |
| ret = ZX_ERR_INVALID_ARGS; |
| goto out_unlock; |
| } |
| |
| #if 0 // NEEDS_PORTING |
| if (sta->tdls && (vif->p2p || iwl_mvm_tdls_sta_count(mvm, NULL) == IWL_MVM_TDLS_STA_COUNT || |
| iwl_mvm_phy_ctx_count(mvm) > 1)) { |
| IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); |
| ret = -EBUSY; |
| goto out_unlock; |
| } |
| #endif // NEEDS_PORTING |
| |
| ret = iwl_mvm_add_sta(mvmvif, mvm_sta); |
| #if 0 // NEEDS_PORTING |
| if (sta->tdls && ret == 0) { |
| iwl_mvm_recalc_tdls_state(mvm, vif, true); |
| iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, NL80211_TDLS_SETUP); |
| } |
| |
| sta->max_rc_amsdu_len = 1; |
| #endif // NEEDS_PORTING |
| } else if (old_state == IWL_STA_NONE && new_state == IWL_STA_AUTH) { |
| #if 0 // NEEDS_PORTING |
| /* |
| * EBS may be disabled due to previous failures reported by FW. |
| * Reset EBS status here assuming environment has been changed. |
| */ |
| mvm->last_ebs_successful = true; |
| iwl_mvm_check_uapsd(mvm, vif, sta->addr); |
| #endif // NEEDS_PORTING |
| |
| ret = ZX_OK; |
| |
| } else if (old_state == IWL_STA_AUTH && new_state == IWL_STA_ASSOC) { |
| #if 0 // NEEDS_PORTING |
| // TODO(36677): Supports AP role |
| if (mvmvif->mac_role == WLAN_MAC_ROLE_AP) { |
| mvmvif->ap_assoc_sta_count++; |
| iwl_mvm_mac_ctxt_changed(mvmvif, false, NULL); |
| if (vif->bss_conf.he_support && !iwlwifi_mod_params.disable_11ax) { |
| iwl_mvm_cfg_he_sta(mvmvif, mvm_sta->sta_id); |
| } |
| } |
| |
| #endif // NEEDS_PORTING |
| iwl_mvm_rs_rate_init(mvm, mvm_sta, false); |
| |
| ret = iwl_mvm_update_sta(mvm, mvm_sta); |
| |
| } else if (old_state == IWL_STA_ASSOC && new_state == IWL_STA_AUTHORIZED) { |
| #if 0 // NEEDS_PORTING |
| /* we don't support TDLS during DCM */ |
| if (iwl_mvm_phy_ctx_count(mvm) > 1) { iwl_mvm_teardown_tdls_peers(mvm); } |
| |
| if (sta->tdls) { |
| iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, NL80211_TDLS_ENABLE_LINK); |
| } |
| #endif // NEEDS_PORTING |
| |
| /* enable beacon filtering */ |
| if (ZX_OK != iwl_mvm_enable_beacon_filter(mvmvif, 0)) { |
| IWL_WARN(mvm, "cannot enable beacon filter\n"); |
| } |
| ret = ZX_OK; |
| |
| #if 0 // NEEDS_PORTING |
| iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, true); |
| |
| // TODO(36677): Supports AP role |
| /* if wep is used, need to set the key for the station now */ |
| if (mvmvif->mac_role == WLAN_MAC_ROLE_AP && mvmvif->ap_wep_key) { |
| ret = iwl_mvm_set_sta_key(mvm, vif, sta, mvmvif->ap_wep_key, STA_KEY_IDX_INVALID); |
| } else { |
| ret = ZX_OK; |
| } |
| #endif // NEEDS_PORTING |
| } else if (old_state == IWL_STA_AUTHORIZED && new_state == IWL_STA_ASSOC) { |
| /* disable beacon filtering */ |
| if (ZX_OK != iwl_mvm_disable_beacon_filter(mvmvif, 0)) { |
| IWL_WARN(mvm, "cannot enable beacon filter\n"); |
| } |
| ret = ZX_OK; |
| } else if (old_state == IWL_STA_ASSOC && new_state == IWL_STA_AUTH) { |
| #if 0 // NEEDS_PORTING |
| // TODO(36677): Supports AP role |
| if (mvmvif->mac_role == WLAN_MAC_ROLE_AP) { |
| mvmvif->ap_assoc_sta_count--; |
| iwl_mvm_mac_ctxt_changed(mvmvif, false, NULL); |
| } |
| #endif // NEEDS_PORTING |
| ret = ZX_OK; |
| } else if (old_state == IWL_STA_AUTH && new_state == IWL_STA_NONE) { |
| ret = ZX_OK; |
| } else if (old_state == IWL_STA_NONE && new_state == IWL_STA_NOTEXIST) { |
| ret = iwl_mvm_rm_sta(mvmvif, mvm_sta); |
| #if 0 // NEEDS_PORTING |
| if (sta->tdls) { |
| iwl_mvm_recalc_tdls_state(mvm, vif, false); |
| iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, NL80211_TDLS_DISABLE_LINK); |
| } |
| #endif // NEEDS_PORTING |
| } else { |
| IWL_ERR(mvmvif, "set_state(): state transition is invalid (%d -> %d).\n", old_state, new_state); |
| ret = ZX_ERR_IO; |
| } |
| out_unlock: |
| mtx_unlock(&mvm->mutex); |
| |
| #if 0 // NEEDS_PORTING |
| if (sta->tdls && ret == 0) { |
| if (old_state == IWL_STA_NOTEXIST && new_state == IWL_STA_NONE) { |
| ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); |
| } else if (old_state == IWL_STA_NONE && new_state == IWL_STA_NOTEXIST) { |
| ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); |
| } |
| } |
| #endif // NEEDS_PORTING |
| |
| return ret; |
| } |
| |
| #if 0 // NEEDS_PORTING |
| static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw* hw, uint32_t value) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| |
| mvm->rts_threshold = value; |
| |
| return 0; |
| } |
| |
| static void iwl_mvm_sta_rc_update(struct ieee80211_hw* hw, struct ieee80211_vif* vif, |
| struct ieee80211_sta* sta, uint32_t changed) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| |
| if (vif->type == NL80211_IFTYPE_STATION && changed & IEEE80211_RC_NSS_CHANGED) { |
| iwl_mvm_sf_update(mvm, vif, false); |
| } |
| } |
| |
| static int iwl_mvm_mac_conf_tx(struct ieee80211_hw* hw, struct ieee80211_vif* vif, uint16_t ac, |
| const struct ieee80211_tx_queue_params* params) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| |
| mvmvif->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) { |
| int ret; |
| |
| mutex_lock(&mvm->mutex); |
| ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); |
| mutex_unlock(&mvm->mutex); |
| return ret; |
| } |
| return 0; |
| } |
| #endif // NEEDS_PORTING |
| |
| // Prepare for transmitting a management frame for association before associated. |
| // |
| // This function is used to tell firmware to sync the channel time. |
| // |
| void iwl_mvm_mac_mgd_prepare_tx(struct iwl_mvm* mvm, struct iwl_mvm_vif* mvmvif, |
| uint16_t req_duration) { |
| uint32_t duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; |
| uint32_t min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; |
| |
| /* |
| * iwl_mvm_protect_session() reads directly from the device |
| * (the system time), so make sure it is available. |
| */ |
| if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX)) { |
| return; |
| } |
| |
| if (req_duration > duration) { |
| duration = req_duration; |
| } |
| |
| mtx_lock(&mvm->mutex); |
| /* Try really hard to protect the session and hear a beacon */ |
| iwl_mvm_protect_session(mvm, mvmvif, duration, min_duration, 500, false); |
| mtx_unlock(&mvm->mutex); |
| |
| iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX); |
| } |
| |
| #if 0 // NEEDS_PORTING |
| static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw* hw, struct ieee80211_vif* vif, |
| struct cfg80211_sched_scan_request* req, |
| struct ieee80211_scan_ies* ies) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| |
| int ret; |
| |
| mutex_lock(&mvm->mutex); |
| |
| if (!vif->bss_conf.idle) { |
| ret = -EBUSY; |
| goto out; |
| } |
| |
| ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); |
| |
| out: |
| mutex_unlock(&mvm->mutex); |
| return ret; |
| } |
| |
| static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw* hw, struct ieee80211_vif* vif) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| int ret; |
| |
| mutex_lock(&mvm->mutex); |
| |
| /* 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 scan before ieee80211_sched_scan_stopped_work() |
| * could run. To handle this, simply return if the scan is |
| * not running. |
| */ |
| if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { |
| mutex_unlock(&mvm->mutex); |
| return 0; |
| } |
| |
| ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); |
| mutex_unlock(&mvm->mutex); |
| iwl_mvm_wait_for_async_handlers(mvm); |
| |
| return ret; |
| } |
| |
| static int iwl_mvm_mac_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_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| struct iwl_mvm_sta *mvmsta; |
| struct iwl_mvm_key_pn *ptk_pn; |
| int keyidx = key->keyidx; |
| int ret; |
| u8 key_offset; |
| |
| if (iwlwifi_mod_params.swcrypto) { |
| IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n"); |
| return -EOPNOTSUPP; |
| } |
| |
| switch (key->cipher) { |
| case WLAN_CIPHER_SUITE_TKIP: |
| if (!mvm->trans->cfg->gen2) { |
| key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; |
| key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; |
| } else if (vif->type == NL80211_IFTYPE_STATION) { |
| key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; |
| } else { |
| IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); |
| return -EOPNOTSUPP; |
| } |
| break; |
| case WLAN_CIPHER_SUITE_CCMP: |
| case WLAN_CIPHER_SUITE_GCMP: |
| case WLAN_CIPHER_SUITE_GCMP_256: |
| if (!iwl_mvm_has_new_tx_api(mvm)) |
| key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; |
| break; |
| case WLAN_CIPHER_SUITE_AES_CMAC: |
| case WLAN_CIPHER_SUITE_BIP_GMAC_128: |
| case WLAN_CIPHER_SUITE_BIP_GMAC_256: |
| WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); |
| break; |
| case WLAN_CIPHER_SUITE_WEP40: |
| case WLAN_CIPHER_SUITE_WEP104: |
| if (vif->type == NL80211_IFTYPE_AP) { |
| struct iwl_mvm_vif *mvmvif = |
| iwl_mvm_vif_from_mac80211(vif); |
| |
| mvmvif->ap_wep_key = kmemdup(key, |
| sizeof(*key) + key->keylen, |
| GFP_KERNEL); |
| if (!mvmvif->ap_wep_key) |
| return -ENOMEM; |
| } |
| |
| if (vif->type != NL80211_IFTYPE_STATION) |
| return 0; |
| break; |
| default: |
| /* currently FW supports only one optional cipher scheme */ |
| if (hw->n_cipher_schemes && |
| hw->cipher_schemes->cipher == key->cipher) |
| key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; |
| else |
| return -EOPNOTSUPP; |
| } |
| |
| switch (cmd) { |
| case SET_KEY: |
| ret = iwl_mvm_mac_add_key(vif, sta, key); |
| case DISABLE_KEY: |
| ret = iwl_mvm_mac_remove_key(vif, sta, key); |
| default: |
| ret = -EINVAL; |
| } |
| |
| return ret; |
| } |
| #endif // NEEDS_PORTING |
| |
| zx_status_t iwl_mvm_mac_add_key(struct iwl_mvm_vif* mvmvif, struct iwl_mvm_sta* mvmsta, |
| struct ieee80211_key_conf* key) { |
| zx_status_t ret = ZX_OK; |
| struct iwl_mvm* mvm = mvmvif->mvm; |
| struct iwl_mvm_key_pn* ptk_pn = NULL; |
| uint8_t key_offset = 0; |
| |
| // Fuchsia only supports a limited selection of cipher types for now. |
| switch (key->cipher) { |
| case CIPHER_SUITE_TYPE_CCMP_128: |
| // Note: the Linux iwlwifi driver requests IEEE80211_KEY_FLAG_PUT_IV_SPACE from the mac80211 |
| // stack. We will apply equivalent functionality manually to Incoming packets from Fuchsia. |
| if (iwl_mvm_has_new_tx_api(mvm)) { |
| return ZX_ERR_NOT_SUPPORTED; |
| } |
| break; |
| case CIPHER_SUITE_TYPE_BIP_CMAC_128: |
| break; |
| default: |
| return ZX_ERR_NOT_SUPPORTED; |
| } |
| |
| mtx_lock(&mvm->mutex); |
| |
| if ((mvmvif->mac_role == WLAN_MAC_ROLE_MESH || mvmvif->mac_role == WLAN_MAC_ROLE_AP) && !mvmsta) { |
| /* |
| * GTK on AP interface is a TX-only key, return 0; |
| * on IBSS they're per-station and because we're lazy |
| * we don't support them for RX, so do the same. |
| * CMAC/GMAC in AP/IBSS modes must be done in software. |
| */ |
| if (key->cipher == CIPHER_SUITE_TYPE_BIP_CMAC_128 || |
| key->cipher == CIPHER_SUITE_TYPE_BIP_GMAC_128 || |
| key->cipher == CIPHER_SUITE_TYPE_BIP_GMAC_256) { |
| ret = ZX_ERR_NOT_SUPPORTED; |
| } else { |
| ret = ZX_OK; |
| } |
| |
| if (key->cipher != CIPHER_SUITE_TYPE_GCMP_128 && key->cipher != CIPHER_SUITE_TYPE_GCMP_256 && |
| !iwl_mvm_has_new_tx_api(mvm)) { |
| key->hw_key_idx = STA_KEY_IDX_INVALID; |
| goto out; |
| } |
| } |
| |
| /* During FW restart, in order to restore the state as it was, |
| * don't try to reprogram keys we previously failed for. |
| */ |
| if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && |
| key->hw_key_idx == STA_KEY_IDX_INVALID) { |
| IWL_DEBUG_MAC80211(mvm, "skip invalid idx key programming during restart\n"); |
| ret = ZX_OK; |
| goto out; |
| } |
| |
| if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && mvmsta && |
| iwl_mvm_has_new_rx_api(mvm) && key->key_type == WLAN_KEY_TYPE_PAIRWISE && |
| (key->cipher == CIPHER_SUITE_TYPE_CCMP_128 || key->cipher == CIPHER_SUITE_TYPE_GCMP_128 || |
| key->cipher == CIPHER_SUITE_TYPE_GCMP_256)) { |
| int tid, q; |
| |
| ptk_pn = calloc(1, sizeof(*ptk_pn) + sizeof(ptk_pn->q->pn) * mvm->trans->num_rx_queues); |
| if (!ptk_pn) { |
| ret = ZX_ERR_NO_MEMORY; |
| goto out; |
| } |
| |
| for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { |
| for (q = 0; q < mvm->trans->num_rx_queues; q++) { |
| /* The packet number in packet byte order is little-endian */ |
| uint64_t pn_le = cpu_to_le64(key->rx_seq); |
| memcpy(ptk_pn->q[q].pn[tid], &pn_le, fuchsia_wlan_ieee80211_CCMP_PN_LEN); |
| } |
| } |
| |
| struct iwl_mvm_key_pn* old_ptk_pn = iwl_rcu_exchange(mvmsta->ptk_pn[key->keyidx], ptk_pn); |
| if (old_ptk_pn) { |
| iwl_rcu_free_sync(mvm->dev, old_ptk_pn); |
| } |
| } |
| |
| /* in HW restart reuse the index, otherwise request a new one */ |
| if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { |
| key_offset = 0; |
| } else { |
| key_offset = STA_KEY_IDX_INVALID; |
| } |
| |
| IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n"); |
| ret = iwl_mvm_set_sta_key(mvm, mvmvif, mvmsta, key, key_offset); |
| if (ret != ZX_OK) { |
| IWL_ERR(mvm, "set key failed: %s\n", zx_status_get_string(ret)); |
| /* |
| * can't add key for RX, but we don't need it |
| * in the device for TX so still return 0 |
| */ |
| ret = ZX_OK; |
| goto out; |
| } |
| |
| out: |
| mtx_unlock(&mvm->mutex); |
| return ret; |
| } |
| |
| zx_status_t iwl_mvm_mac_remove_key(struct iwl_mvm_vif* mvmvif, struct iwl_mvm_sta* mvmsta, |
| const struct ieee80211_key_conf* key) { |
| zx_status_t ret = ZX_OK; |
| struct iwl_mvm* mvm = mvmvif->mvm; |
| struct iwl_mvm_key_pn* ptk_pn = NULL; |
| |
| mtx_lock(&mvm->mutex); |
| |
| if (key->hw_key_idx == STA_KEY_IDX_INVALID) { |
| ret = 0; |
| goto out; |
| } |
| |
| if (mvmsta && iwl_mvm_has_new_rx_api(mvm) && key->key_type == WLAN_KEY_TYPE_PAIRWISE && |
| (key->cipher == CIPHER_SUITE_TYPE_CCMP_128 || key->cipher == CIPHER_SUITE_TYPE_GCMP_128 || |
| key->cipher == CIPHER_SUITE_TYPE_GCMP_256)) { |
| ptk_pn = iwl_rcu_exchange(mvmsta->ptk_pn[key->keyidx], NULL); |
| if (ptk_pn) |
| iwl_rcu_free_sync(mvm->dev, ptk_pn); |
| } |
| |
| IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); |
| ret = iwl_mvm_remove_sta_key(mvm, mvmvif, mvmsta, key); |
| |
| out: |
| mtx_unlock(&mvm->mutex); |
| return ret; |
| } |
| |
| #if 0 // NEEDS_PORTING |
| static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw* hw, struct ieee80211_vif* vif, |
| struct ieee80211_key_conf* keyconf, |
| struct ieee80211_sta* sta, uint32_t iv32, |
| uint16_t* phase1key) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| |
| if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) { return; } |
| |
| iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); |
| } |
| |
| static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data* notif_wait, struct iwl_rx_packet* pkt, |
| void* data) { |
| struct iwl_mvm* mvm = container_of(notif_wait, struct iwl_mvm, notif_wait); |
| struct iwl_hs20_roc_res* resp; |
| int resp_len = iwl_rx_packet_payload_len(pkt); |
| struct iwl_mvm_time_event_data* te_data = data; |
| |
| if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) { return true; } |
| |
| if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { |
| IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); |
| return true; |
| } |
| |
| resp = (void*)pkt->data; |
| |
| IWL_DEBUG_TE(mvm, "Aux ROC: Received response from ucode: status=%d uid=%d\n", resp->status, |
| resp->event_unique_id); |
| |
| te_data->uid = le32_to_cpu(resp->event_unique_id); |
| IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", te_data->uid); |
| |
| spin_lock_bh(&mvm->time_event_lock); |
| list_add_tail(&te_data->list, &mvm->aux_roc_te_list); |
| spin_unlock_bh(&mvm->time_event_lock); |
| |
| return true; |
| } |
| |
| #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100) |
| #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200) |
| #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600) |
| #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20) |
| #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10) |
| static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm* mvm, struct ieee80211_channel* channel, |
| struct ieee80211_vif* vif, int duration) { |
| int res, time_reg = DEVICE_SYSTEM_TIME_REG; |
| struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| struct iwl_mvm_time_event_data* te_data = &mvmvif->hs_time_event_data; |
| static const uint16_t time_event_response[] = {HOT_SPOT_CMD}; |
| struct iwl_notification_wait wait_time_event; |
| uint32_t dtim_interval = vif->bss_conf.dtim_period * vif->bss_conf.beacon_int; |
| uint32_t req_dur, delay; |
| struct iwl_hs20_roc_req aux_roc_req = { |
| .action = cpu_to_le32(FW_CTXT_ACTION_ADD), |
| .id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), |
| .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), |
| /* Set the channel info data */ |
| .channel_info.band = (channel->band == NL80211_BAND_2GHZ) ? PHY_BAND_24 : PHY_BAND_5, |
| .channel_info.channel = channel->hw_value, |
| .channel_info.width = PHY_VHT_CHANNEL_MODE20, |
| /* Set the time and duration */ |
| .apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)), |
| }; |
| |
| delay = AUX_ROC_MIN_DELAY; |
| req_dur = MSEC_TO_TU(duration); |
| |
| /* |
| * If we are associated we want the delay time to be at least one |
| * dtim interval so that the FW can wait until after the DTIM and |
| * then start the time event, this will potentially allow us to |
| * remain off-channel for the max duration. |
| * Since we want to use almost a whole dtim interval we would also |
| * like the delay to be for 2-3 dtim intervals, in case there are |
| * other time events with higher priority. |
| */ |
| if (vif->bss_conf.assoc) { |
| delay = min_t(uint32_t, dtim_interval * 3, AUX_ROC_MAX_DELAY); |
| /* We cannot remain off-channel longer than the DTIM interval */ |
| if (dtim_interval <= req_dur) { |
| req_dur = dtim_interval - AUX_ROC_SAFETY_BUFFER; |
| if (req_dur <= AUX_ROC_MIN_DURATION) { |
| req_dur = dtim_interval - AUX_ROC_MIN_SAFETY_BUFFER; |
| } |
| } |
| } |
| |
| aux_roc_req.duration = cpu_to_le32(req_dur); |
| aux_roc_req.apply_time_max_delay = cpu_to_le32(delay); |
| |
| IWL_DEBUG_TE(mvm, |
| "ROC: Requesting to remain on channel %u for %ums (requested = %ums, max_delay = " |
| "%ums, dtim_interval = %ums)\n", |
| channel->hw_value, req_dur, duration, delay, dtim_interval); |
| /* Set the node address */ |
| memcpy(aux_roc_req.node_addr, vif->addr, ETH_ALEN); |
| |
| iwl_assert_lock_held(&mvm->mutex); |
| |
| spin_lock_bh(&mvm->time_event_lock); |
| |
| if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { |
| spin_unlock_bh(&mvm->time_event_lock); |
| return -EIO; |
| } |
| |
| te_data->vif = vif; |
| te_data->duration = duration; |
| te_data->id = HOT_SPOT_CMD; |
| |
| spin_unlock_bh(&mvm->time_event_lock); |
| |
| /* |
| * Use a notification wait, which really just processes the |
| * command response and doesn't wait for anything, in order |
| * to be able to process the response and get the UID inside |
| * the RX path. Using CMD_WANT_SKB doesn't work because it |
| * stores the buffer and then wakes up this thread, by which |
| * time another notification (that the time event started) |
| * might already be processed unsuccessfully. |
| */ |
| iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, time_event_response, |
| ARRAY_SIZE(time_event_response), iwl_mvm_rx_aux_roc, te_data); |
| |
| res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, sizeof(aux_roc_req), &aux_roc_req); |
| |
| if (res) { |
| IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); |
| iwl_remove_notification(&mvm->notif_wait, &wait_time_event); |
| goto out_clear_te; |
| } |
| |
| /* No need to wait for anything, so just pass 1 (0 isn't valid) */ |
| res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); |
| /* should never fail */ |
| WARN_ON_ONCE(res); |
| |
| if (res) { |
| out_clear_te: |
| spin_lock_bh(&mvm->time_event_lock); |
| iwl_mvm_te_clear_data(mvm, te_data); |
| spin_unlock_bh(&mvm->time_event_lock); |
| } |
| |
| return res; |
| } |
| |
| static int iwl_mvm_roc(struct ieee80211_hw* hw, struct ieee80211_vif* vif, |
| struct ieee80211_channel* channel, int duration, |
| enum ieee80211_roc_type type) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| struct cfg80211_chan_def chandef; |
| struct iwl_mvm_phy_ctxt* phy_ctxt; |
| int ret, i; |
| |
| IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, duration, type); |
| |
| /* |
| * Flush the done work, just in case it's still pending, so that |
| * the work it does can complete and we can accept new frames. |
| */ |
| flush_work(&mvm->roc_done_wk); |
| |
| mutex_lock(&mvm->mutex); |
| |
| switch (vif->type) { |
| case NL80211_IFTYPE_STATION: |
| if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { |
| /* Use aux roc framework (HS20) */ |
| ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, vif, duration); |
| goto out_unlock; |
| } |
| IWL_ERR(mvm, "hotspot not supported\n"); |
| ret = -EINVAL; |
| goto out_unlock; |
| case NL80211_IFTYPE_P2P_DEVICE: |
| /* handle below */ |
| break; |
| default: |
| IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type); |
| ret = -EINVAL; |
| goto out_unlock; |
| } |
| |
| for (i = 0; i < NUM_PHY_CTX; i++) { |
| phy_ctxt = &mvm->phy_ctxts[i]; |
| if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt) { continue; } |
| |
| if (phy_ctxt->ref && channel == phy_ctxt->channel) { |
| /* |
| * Unbind the P2P_DEVICE from the current PHY context, |
| * and if the PHY context is not used remove it. |
| */ |
| ret = iwl_mvm_binding_remove_vif(mvm, vif); |
| if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) { goto out_unlock; } |
| |
| iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); |
| |
| /* Bind the P2P_DEVICE to the current PHY Context */ |
| mvmvif->phy_ctxt = phy_ctxt; |
| |
| ret = iwl_mvm_binding_add_vif(mvm, vif); |
| if (WARN(ret, "Failed binding P2P_DEVICE\n")) { goto out_unlock; } |
| |
| iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); |
| goto schedule_time_event; |
| } |
| } |
| |
| /* Need to update the PHY context only if the ROC channel changed */ |
| if (channel == mvmvif->phy_ctxt->channel) { goto schedule_time_event; } |
| |
| cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); |
| |
| /* |
| * Change the PHY context configuration as it is currently referenced |
| * only by the P2P Device MAC |
| */ |
| if (mvmvif->phy_ctxt->ref == 1) { |
| ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt, &chandef, 1, 1); |
| if (ret) { goto out_unlock; } |
| } else { |
| /* |
| * The PHY context is shared with other MACs. Need to remove the |
| * P2P Device from the binding, allocate an new PHY context and |
| * create a new binding |
| */ |
| phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); |
| if (!phy_ctxt) { |
| ret = -ENOSPC; |
| goto out_unlock; |
| } |
| |
| ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef, 1, 1); |
| if (ret) { |
| IWL_ERR(mvm, "Failed to change PHY context\n"); |
| goto out_unlock; |
| } |
| |
| /* Unbind the P2P_DEVICE from the current PHY context */ |
| ret = iwl_mvm_binding_remove_vif(mvm, vif); |
| if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) { goto out_unlock; } |
| |
| iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); |
| |
| /* Bind the P2P_DEVICE to the new allocated PHY context */ |
| mvmvif->phy_ctxt = phy_ctxt; |
| |
| ret = iwl_mvm_binding_add_vif(mvm, vif); |
| if (WARN(ret, "Failed binding P2P_DEVICE\n")) { goto out_unlock; } |
| |
| iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); |
| } |
| |
| schedule_time_event: |
| /* Schedule the time events */ |
| ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type); |
| |
| out_unlock: |
| mutex_unlock(&mvm->mutex); |
| IWL_DEBUG_MAC80211(mvm, "leave\n"); |
| return ret; |
| } |
| |
| static int iwl_mvm_cancel_roc(struct ieee80211_hw* hw) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| |
| IWL_DEBUG_MAC80211(mvm, "enter\n"); |
| |
| mutex_lock(&mvm->mutex); |
| iwl_mvm_stop_roc(mvm); |
| mutex_unlock(&mvm->mutex); |
| |
| IWL_DEBUG_MAC80211(mvm, "leave\n"); |
| return 0; |
| } |
| #endif // NEEDS_PORTING |
| |
| static zx_status_t __iwl_mvm_add_chanctx(struct iwl_mvm* mvm, const wlan_channel_t* chandef, |
| uint16_t* phy_ctxt_id) { |
| struct iwl_mvm_phy_ctxt* phy_ctxt; |
| zx_status_t ret; |
| |
| iwl_assert_lock_held(&mvm->mutex); |
| |
| IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); |
| |
| phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); |
| if (!phy_ctxt) { |
| ret = ZX_ERR_NO_RESOURCES; |
| goto out; |
| } |
| |
| // TODO(45353): support MIMO Rx. |
| ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, chandef, 1, 1); |
| if (ret != ZX_OK) { |
| IWL_ERR(mvm, "Failed to add PHY context\n"); |
| goto out; |
| } |
| |
| iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt); |
| *phy_ctxt_id = phy_ctxt->id; |
| |
| #ifdef CPTCFG_IWLWIFI_FRQ_MGR |
| iwl_mvm_fm_notify_channel_change(ctx, IWL_FM_ADD_CHANCTX); |
| #endif |
| |
| out: |
| return ret; |
| } |
| |
| zx_status_t iwl_mvm_add_chanctx(struct iwl_mvm* mvm, const wlan_channel_t* chandef, |
| uint16_t* phy_ctxt_id) { |
| zx_status_t ret; |
| |
| mtx_lock(&mvm->mutex); |
| ret = __iwl_mvm_add_chanctx(mvm, chandef, phy_ctxt_id); |
| mtx_unlock(&mvm->mutex); |
| |
| return ret; |
| } |
| |
| static zx_status_t __iwl_mvm_remove_chanctx(struct iwl_mvm* mvm, uint16_t phy_ctxt_id) { |
| struct iwl_mvm_phy_ctxt* phy_ctxt = &mvm->phy_ctxts[phy_ctxt_id]; |
| |
| iwl_assert_lock_held(&mvm->mutex); |
| |
| return iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); |
| #ifdef CPTCFG_IWLWIFI_FRQ_MGR |
| iwl_mvm_fm_notify_channel_change(ctx, IWL_FM_REMOVE_CHANCTX); |
| #endif |
| } |
| |
| zx_status_t iwl_mvm_remove_chanctx(struct iwl_mvm* mvm, uint16_t phy_ctxt_id) { |
| zx_status_t ret; |
| mtx_lock(&mvm->mutex); |
| ret = __iwl_mvm_remove_chanctx(mvm, phy_ctxt_id); |
| mtx_unlock(&mvm->mutex); |
| return ret; |
| } |
| |
| zx_status_t iwl_mvm_change_chanctx(struct iwl_mvm* mvm, uint16_t phy_ctxt_id, |
| const wlan_channel_t* chandef) { |
| struct iwl_mvm_phy_ctxt* phy_ctxt = &mvm->phy_ctxts[phy_ctxt_id]; |
| |
| if (phy_ctxt->ref > 1) { |
| IWL_WARN(mvm, "Cannot change PHY. Ref=%d\n", phy_ctxt->ref); |
| return ZX_ERR_BAD_STATE; |
| } |
| |
| mtx_lock(&mvm->mutex); |
| |
| #if 0 // NEEDS_PORTING |
| /* we are only changing the min_width, may be a noop */ |
| if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) { |
| if (phy_ctxt->width == def->width) { goto out_unlock; } |
| |
| /* we are just toggling between 20_NOHT and 20 */ |
| if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && def->width <= NL80211_CHAN_WIDTH_20) { |
| goto out_unlock; |
| } |
| } |
| |
| iwl_mvm_bt_coex_vif_change(mvm); |
| #endif // NEEDS_PORTING |
| |
| // TODO(45353): support MIMO Rx. |
| zx_status_t ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, chandef, 1, 1); |
| #ifdef CPTCFG_IWLWIFI_FRQ_MGR |
| iwl_mvm_fm_notify_channel_change(ctx, IWL_FM_CHANGE_CHANCTX); |
| #endif |
| |
| mtx_unlock(&mvm->mutex); |
| |
| return ret; |
| } |
| |
| static zx_status_t __iwl_mvm_assign_vif_chanctx(struct iwl_mvm_vif* mvmvif, |
| const wlan_channel_t* chandef, |
| bool switching_chanctx) { |
| zx_status_t ret; |
| |
| iwl_assert_lock_held(&mvmvif->mvm->mutex); |
| |
| // Assume mvmvif->phy_ctxt had been assigned in mac_start(). |
| if (!mvmvif->phy_ctxt) { |
| IWL_ERR(mvmvif, "PHY context is not assigned yet.\n"); |
| return ZX_ERR_BAD_STATE; |
| } |
| |
| switch (mvmvif->mac_role) { |
| #if 0 // NEEDS_PORTING |
| case NL80211_IFTYPE_AP: |
| /* only needed if we're switching chanctx (i.e. during CSA) */ |
| if (switching_chanctx) { |
| mvmvif->ap_ibss_active = true; |
| break; |
| } |
| case NL80211_IFTYPE_ADHOC: |
| /* |
| * The AP binding flow is handled as part of the start_ap flow |
| * (in bss_info_changed), similarly for IBSS. |
| */ |
| ret = 0; |
| goto out; |
| #endif // NEEDS_PORTING |
| case WLAN_MAC_ROLE_CLIENT: |
| mvmvif->csa_bcn_pending = false; |
| break; |
| #if 0 // NEEDS_PORTING |
| case NL80211_IFTYPE_MONITOR: |
| /* always disable PS when a monitor interface is active */ |
| mvmvif->ps_disabled = true; |
| break; |
| #endif // NEEDS_PORTING |
| default: |
| ret = ZX_ERR_NOT_SUPPORTED; |
| IWL_ERR(mvmvif, "%s(): mac_role: %d not supported yet\n", __func__, mvmvif->mac_role); |
| goto out; |
| } |
| |
| ret = iwl_mvm_binding_add_vif(mvmvif); |
| if (ret != ZX_OK) { |
| IWL_ERR(mvmvif, "Cannot add vif binding: %s\n", zx_status_get_string(ret)); |
| goto out; |
| } |
| |
| #ifdef CPTCFG_IWLWIFI_FRQ_MGR |
| iwl_mvm_update_ctx_tx_power_limit(mvm, vif, mvmvif->phy_ctxt); |
| #endif |
| |
| /* |
| * Power state must be updated before quotas, |
| * otherwise fw will complain. |
| */ |
| iwl_mvm_power_update_mac(mvmvif->mvm); |
| |
| #if 0 // NEEDS_PORTING |
| /* Setting the quota at this stage is only required for monitor |
| * interfaces. For the other types, the bss_info changed flow |
| * will handle quota settings. |
| */ |
| if (vif->type == NL80211_IFTYPE_MONITOR) { |
| mvmvif->monitor_active = true; |
| ret = iwl_mvm_update_quotas(mvm, false, NULL); |
| if (ret) { goto out_remove_binding; } |
| |
| ret = iwl_mvm_add_snif_sta(mvm, vif); |
| if (ret) { goto out_remove_binding; } |
| } |
| |
| /* Handle binding during CSA */ |
| if (vif->type == NL80211_IFTYPE_AP) { |
| iwl_mvm_update_quotas(mvm, false, NULL); |
| iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); |
| } |
| #endif // NEEDS_PORTING |
| |
| if (switching_chanctx && mvmvif->mac_role == WLAN_MAC_ROLE_CLIENT) { |
| uint32_t duration = 3 * mvmvif->bss_conf.beacon_int; |
| |
| /* iwl_mvm_protect_session() reads directly from the |
| * device (the system time), so make sure it is |
| * available. |
| */ |
| ret = iwl_mvm_ref_sync(mvmvif->mvm, IWL_MVM_REF_PROTECT_CSA); |
| if (ret != ZX_OK) { |
| goto out_remove_binding; |
| } |
| |
| /* Protect the session to make sure we hear the first |
| * beacon on the new channel. |
| */ |
| mvmvif->csa_bcn_pending = true; |
| iwl_mvm_protect_session(mvmvif->mvm, mvmvif, duration, duration, |
| mvmvif->bss_conf.beacon_int / 2, true); |
| |
| iwl_mvm_unref(mvmvif->mvm, IWL_MVM_REF_PROTECT_CSA); |
| |
| #if 0 // NEEDS_PORTING |
| iwl_mvm_update_quotas(mvm, false, NULL); |
| #endif // NEEDS_PORTING |
| } |
| |
| goto out; |
| |
| out_remove_binding: |
| iwl_mvm_binding_remove_vif(mvmvif); |
| iwl_mvm_power_update_mac(mvmvif->mvm); |
| out: |
| if (ret != ZX_OK) { |
| mvmvif->phy_ctxt = NULL; |
| } |
| return ret; |
| } |
| |
| zx_status_t iwl_mvm_assign_vif_chanctx(struct iwl_mvm_vif* mvmvif, const wlan_channel_t* chandef) { |
| zx_status_t ret; |
| |
| mtx_lock(&mvmvif->mvm->mutex); |
| ret = __iwl_mvm_assign_vif_chanctx(mvmvif, chandef, false); |
| mtx_unlock(&mvmvif->mvm->mutex); |
| |
| return ret; |
| } |
| |
| static zx_status_t __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm_vif* mvmvif, |
| bool switching_chanctx) { |
| #if 0 // NEEDS_PORTING |
| struct ieee80211_vif* disabled_vif = NULL; |
| #endif // NEEDS_PORTING |
| |
| iwl_assert_lock_held(&mvmvif->mvm->mutex); |
| |
| zx_status_t ret; |
| |
| switch (mvmvif->mac_role) { |
| #if 0 // NEEDS_PORTING |
| case NL80211_IFTYPE_ADHOC: |
| goto out; |
| case NL80211_IFTYPE_MONITOR: |
| mvmvif->monitor_active = false; |
| mvmvif->ps_disabled = false; |
| iwl_mvm_rm_snif_sta(mvm, vif); |
| break; |
| case NL80211_IFTYPE_AP: |
| /* This part is triggered only during CSA */ |
| if (!switching_chanctx || !mvmvif->ap_ibss_active) { goto out; } |
| |
| mvmvif->csa_countdown = false; |
| |
| /* Set CS bit on all the stations */ |
| iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); |
| |
| /* Save blocked iface, the timeout is set on the next beacon */ |
| rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); |
| |
| mvmvif->ap_ibss_active = false; |
| break; |
| #endif // NEEDS_PORTING |
| case WLAN_MAC_ROLE_CLIENT: |
| if (!switching_chanctx) { |
| break; |
| } |
| |
| #if 0 // NEEDS_PORTING |
| disabled_vif = vif; |
| #endif // NEEDS_PORTING |
| |
| ret = iwl_mvm_mac_ctxt_changed(mvmvif, true, NULL); |
| if (ret != ZX_OK) { |
| IWL_ERR(mvmvif, "Cannot update MAC context while unassigning: %s\n", |
| zx_status_get_string(ret)); |
| } |
| break; |
| default: |
| break; |
| } |
| |
| #if 0 // NEEDS_PORTING |
| // TODO(43218): support multiple interfaces. Port iwl_mvm_update_quotas() in mvm/quota.c. |
| iwl_mvm_update_quotas(mvm, false, disabled_vif); |
| #endif // NEEDS_PORTING |
| |
| ret = iwl_mvm_binding_remove_vif(mvmvif); |
| if (ret != ZX_OK) { |
| IWL_ERR(mvmvif, "cannot remove VIF binding: %s\n", zx_status_get_string(ret)); |
| } |
| |
| #if 0 // NEEDS_PORTING |
| out: |
| #endif // NEEDS_PORTING |
| |
| mvmvif->phy_ctxt = NULL; |
| ret = iwl_mvm_power_update_mac(mvmvif->mvm); |
| if (ret != ZX_OK) { |
| IWL_ERR(mvmvif, "cannot update the power setting of MAC: %s\n", zx_status_get_string(ret)); |
| } |
| |
| return ZX_OK; |
| } |
| |
| zx_status_t iwl_mvm_unassign_vif_chanctx(struct iwl_mvm_vif* mvmvif) { |
| mtx_lock(&mvmvif->mvm->mutex); |
| zx_status_t ret = __iwl_mvm_unassign_vif_chanctx(mvmvif, false); |
| mtx_unlock(&mvmvif->mvm->mutex); |
| |
| return ret; |
| } |
| |
| #if 0 // NEEDS_PORTING |
| static int iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm* mvm, |
| struct ieee80211_vif_chanctx_switch* vifs) { |
| int ret; |
| |
| mutex_lock(&mvm->mutex); |
| __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); |
| __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); |
| |
| ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); |
| if (ret) { |
| IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); |
| goto out_reassign; |
| } |
| |
| ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, true); |
| if (ret) { |
| IWL_ERR(mvm, "failed to assign new_ctx during channel switch\n"); |
| goto out_remove; |
| } |
| |
| /* we don't support TDLS during DCM - can be caused by channel switch */ |
| if (iwl_mvm_phy_ctx_count(mvm) > 1) { iwl_mvm_teardown_tdls_peers(mvm); } |
| |
| goto out; |
| |
| out_remove: |
| __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); |
| |
| out_reassign: |
| if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { |
| IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); |
| goto out_restart; |
| } |
| |
| if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true)) { |
| IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); |
| goto out_restart; |
| } |
| |
| goto out; |
| |
| out_restart: |
| /* things keep failing, better restart the hw */ |
| iwl_mvm_nic_restart(mvm, false); |
| |
| out: |
| mutex_unlock(&mvm->mutex); |
| |
| return ret; |
| } |
| |
| static int iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm* mvm, |
| struct ieee80211_vif_chanctx_switch* vifs) { |
| int ret; |
| |
| mutex_lock(&mvm->mutex); |
| __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); |
| |
| ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, true); |
| if (ret) { |
| IWL_ERR(mvm, "failed to assign new_ctx during channel switch\n"); |
| goto out_reassign; |
| } |
| |
| goto out; |
| |
| out_reassign: |
| if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true)) { |
| IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); |
| goto out_restart; |
| } |
| |
| goto out; |
| |
| out_restart: |
| /* things keep failing, better restart the hw */ |
| iwl_mvm_nic_restart(mvm, false); |
| |
| out: |
| mutex_unlock(&mvm->mutex); |
| |
| return ret; |
| } |
| |
| static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw* hw, |
| struct ieee80211_vif_chanctx_switch* vifs, int n_vifs, |
| enum ieee80211_chanctx_switch_mode mode) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| 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_mvm_switch_vif_chanctx_swap(mvm, vifs); |
| break; |
| case CHANCTX_SWMODE_REASSIGN_VIF: |
| ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs); |
| break; |
| default: |
| ret = -EOPNOTSUPP; |
| break; |
| } |
| |
| return ret; |
| } |
| |
| static int iwl_mvm_tx_last_beacon(struct ieee80211_hw* hw) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| |
| return mvm->ibss_manager; |
| } |
| |
| static int iwl_mvm_set_tim(struct ieee80211_hw* hw, struct ieee80211_sta* sta, bool set) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| struct iwl_mvm_sta* mvm_sta = iwl_mvm_sta_from_mac80211(sta); |
| |
| if (!mvm_sta || !mvm_sta->vif) { |
| IWL_ERR(mvm, "Station is not associated to a vif\n"); |
| return -EINVAL; |
| } |
| |
| return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif); |
| } |
| |
| #ifdef CPTCFG_NL80211_TESTMODE |
| static const struct nla_policy iwl_mvm_tm_policy[IWL_TM_ATTR_MAX + 1] = { |
| [IWL_TM_ATTR_CMD] = {.type = NLA_U32}, |
| [IWL_TM_ATTR_NOA_DURATION] = {.type = NLA_U32}, |
| [IWL_TM_ATTR_BEACON_FILTER_STATE] = {.type = NLA_U32}, |
| }; |
| |
| static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm* mvm, struct ieee80211_vif* vif, void* data, |
| int len) { |
| struct nlattr* tb[IWL_TM_ATTR_MAX + 1]; |
| int err; |
| uint32_t noa_duration; |
| |
| err = nla_parse(tb, IWL_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy, NULL); |
| if (err) { return err; } |
| |
| if (!tb[IWL_TM_ATTR_CMD]) { return -EINVAL; } |
| |
| switch (nla_get_u32(tb[IWL_TM_ATTR_CMD])) { |
| case IWL_TM_CMD_SET_NOA: |
| if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || !vif->bss_conf.enable_beacon || |
| !tb[IWL_TM_ATTR_NOA_DURATION]) { |
| return -EINVAL; |
| } |
| |
| noa_duration = nla_get_u32(tb[IWL_TM_ATTR_NOA_DURATION]); |
| if (noa_duration >= vif->bss_conf.beacon_int) { return -EINVAL; } |
| |
| mvm->noa_duration = noa_duration; |
| mvm->noa_vif = vif; |
| |
| if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_DYNAMIC_QUOTA)) { |
| #ifdef CPTCFG_IWLWIFI_DEBUG_HOST_CMD_ENABLED |
| int beacon_int = vif->bss_conf.beacon_int; |
| int max_quota_percent = (100 * (beacon_int - noa_duration)) / beacon_int; |
| |
| return iwl_mvm_dhc_quota_enforce(mvm, iwl_mvm_vif_from_mac80211(vif), |
| max_quota_percent); |
| #else |
| return -EOPNOTSUPP; |
| #endif |
| } |
| |
| return iwl_mvm_update_quotas(mvm, true, NULL); |
| case IWL_TM_CMD_SET_BEACON_FILTER: |
| /* must be associated client vif - ignore authorized */ |
| if (!vif || vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc || |
| !vif->bss_conf.dtim_period || !tb[IWL_TM_ATTR_BEACON_FILTER_STATE]) { |
| return -EINVAL; |
| } |
| |
| if (nla_get_u32(tb[IWL_TM_ATTR_BEACON_FILTER_STATE])) { |
| return iwl_mvm_enable_beacon_filter(mvm, vif, 0); |
| } |
| return iwl_mvm_disable_beacon_filter(mvm, vif, 0); |
| } |
| |
| return -EOPNOTSUPP; |
| } |
| |
| static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw* hw, struct ieee80211_vif* vif, void* data, |
| int len) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| int err; |
| |
| mutex_lock(&mvm->mutex); |
| err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); |
| mutex_unlock(&mvm->mutex); |
| |
| return err; |
| } |
| #endif |
| |
| static void iwl_mvm_channel_switch(struct ieee80211_hw* hw, struct ieee80211_vif* vif, |
| struct ieee80211_channel_switch* chsw) { |
| /* 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 |
| * (which is when the absence time event starts). |
| */ |
| |
| IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), "dummy channel switch op\n"); |
| } |
| |
| static int iwl_mvm_pre_channel_switch(struct ieee80211_hw* hw, struct ieee80211_vif* vif, |
| struct ieee80211_channel_switch* chsw) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| struct ieee80211_vif* csa_vif; |
| struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| uint32_t apply_time; |
| int ret; |
| |
| mutex_lock(&mvm->mutex); |
| |
| mvmvif->csa_failed = false; |
| |
| IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", chsw->chandef.center_freq1); |
| |
| iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, ieee80211_vif_to_wdev(vif), |
| FW_DBG_TRIGGER_CHANNEL_SWITCH); |
| |
| switch (vif->type) { |
| case NL80211_IFTYPE_AP: |
| csa_vif = rcu_dereference_protected(mvm->csa_vif, lockdep_is_held(&mvm->mutex)); |
| if (WARN_ONCE(csa_vif && csa_vif->csa_active, "Another CSA is already in progress")) { |
| ret = -EBUSY; |
| goto out_unlock; |
| } |
| |
| /* we still didn't unblock tx. prevent new CS meanwhile */ |
| if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, lockdep_is_held(&mvm->mutex))) { |
| ret = -EBUSY; |
| goto out_unlock; |
| } |
| |
| rcu_assign_pointer(mvm->csa_vif, vif); |
| |
| if (WARN_ONCE(mvmvif->csa_countdown, "Previous CSA countdown didn't complete")) { |
| ret = -EBUSY; |
| goto out_unlock; |
| } |
| |
| mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; |
| |
| break; |
| case NL80211_IFTYPE_STATION: |
| /* Schedule the time event to a bit before beacon 1, |
| * to make sure we're in the new channel when the |
| * GO/AP arrives. In case count <= 1 immediately schedule the |
| * TE (this might result with some packet loss or connection |
| * loss). |
| */ |
| if (chsw->count <= 1) { |
| apply_time = 0; |
| } else |
| apply_time = chsw->device_timestamp + ((vif->bss_conf.beacon_int * (chsw->count - 1) - |
| IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * |
| 1024); |
| |
| if (chsw->block_tx) { iwl_mvm_csa_client_absent(mvm, vif); } |
| |
| iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, apply_time); |
| if (mvmvif->bf_data.bf_enabled) { |
| ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); |
| if (ret) { goto out_unlock; } |
| } |
| |
| break; |
| default: |
| break; |
| } |
| |
| mvmvif->ps_disabled = true; |
| |
| ret = iwl_mvm_power_update_ps(mvm); |
| if (ret) { goto out_unlock; } |
| |
| /* we won't be on this channel any longer */ |
| iwl_mvm_teardown_tdls_peers(mvm); |
| |
| out_unlock: |
| mutex_unlock(&mvm->mutex); |
| |
| return ret; |
| } |
| |
| static int iwl_mvm_post_channel_switch(struct ieee80211_hw* hw, struct ieee80211_vif* vif) { |
| struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| int ret; |
| |
| mutex_lock(&mvm->mutex); |
| |
| if (mvmvif->csa_failed) { |
| mvmvif->csa_failed = false; |
| ret = -EIO; |
| goto out_unlock; |
| } |
| |
| if (vif->type == NL80211_IFTYPE_STATION) { |
| struct iwl_mvm_sta* mvmsta; |
| |
| mvmvif->csa_bcn_pending = false; |
| mvmsta = iwl_mvm_sta_from_staid_protected(mvm, mvmvif->ap_sta_id); |
| |
| if (WARN_ON(!mvmsta)) { |
| ret = -EIO; |
| goto out_unlock; |
| } |
| |
| iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); |
| |
| iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); |
| |
| ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); |
| if (ret) { goto out_unlock; } |
| |
| iwl_mvm_stop_session_protection(mvm, vif); |
| } |
| |
| mvmvif->ps_disabled = false; |
| |
| ret = iwl_mvm_power_update_ps(mvm); |
| |
| out_unlock: |
| mutex_unlock(&mvm->mutex); |
| |
| return ret; |
| } |
| |
| static void iwl_mvm_flush_no_vif(struct iwl_mvm* mvm, uint32_t queues, bool drop) { |
| int i; |
| |
| if (!iwl_mvm_has_new_tx_api(mvm)) { |
| if (drop) { |
| mutex_lock(&mvm->mutex); |
| iwl_mvm_flush_tx_path(mvm, iwl_mvm_flushable_queues(mvm) & queues, 0); |
| mutex_unlock(&mvm->mutex); |
| } else { |
| iwl_trans_wait_tx_queues_empty(mvm->trans, queues); |
| } |
| return; |
| } |
| |
| mutex_lock(&mvm->mutex); |
| for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) { |
| struct ieee80211_sta* sta; |
| |
| sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], lockdep_is_held(&mvm->mutex)); |
| if (IS_ERR_OR_NULL(sta)) { continue; } |
| |
| if (drop) { |
| iwl_mvm_flush_sta_tids(mvm, i, 0xFF, 0); |
| } else { |
| iwl_mvm_wait_sta_queues_empty(mvm, iwl_mvm_sta_from_mac80211(sta)); |
| } |
| } |
| mutex_unlock(&mvm->mutex); |
| } |
| |
| static void iwl_mvm_mac_flush(struct ieee80211_hw* hw, struct ieee80211_vif* vif, uint32_t queues, |
| bool drop) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| struct iwl_mvm_vif* mvmvif; |
| struct iwl_mvm_sta* mvmsta; |
| struct ieee80211_sta* sta; |
| int i; |
| uint32_t msk = 0; |
| |
| if (!vif) { |
| iwl_mvm_flush_no_vif(mvm, queues, drop); |
| return; |
| } |
| |
| if (vif->type != NL80211_IFTYPE_STATION) { return; } |
| |
| /* Make sure we're done with the deferred traffic before flushing */ |
| flush_work(&mvm->add_stream_wk); |
| |
| mutex_lock(&mvm->mutex); |
| mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| |
| /* flush the AP-station and all TDLS peers */ |
| for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) { |
| sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], lockdep_is_held(&mvm->mutex)); |
| if (IS_ERR_OR_NULL(sta)) { continue; } |
| |
| mvmsta = iwl_mvm_sta_from_mac80211(sta); |
| if (mvmsta->vif != vif) { continue; } |
| |
| /* make sure only TDLS peers or the AP are flushed */ |
| WARN_ON(i != mvmvif->ap_sta_id && !sta->tdls); |
| |
| if (drop) { |
| if (iwl_mvm_flush_sta(mvm, mvmsta, false, 0)) { IWL_ERR(mvm, "flush request fail\n"); } |
| } else { |
| msk |= mvmsta->tfd_queue_msk; |
| if (iwl_mvm_has_new_tx_api(mvm)) { iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); } |
| } |
| } |
| |
| mutex_unlock(&mvm->mutex); |
| |
| /* this can take a while, and we may need/want other operations |
| * to succeed while doing this, so do it without the mutex held |
| */ |
| if (!drop && !iwl_mvm_has_new_tx_api(mvm)) { iwl_trans_wait_tx_queues_empty(mvm->trans, msk); } |
| } |
| |
| static int iwl_mvm_mac_get_survey(struct ieee80211_hw* hw, int idx, struct survey_info* survey) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| int ret; |
| |
| memset(survey, 0, sizeof(*survey)); |
| |
| /* only support global statistics right now */ |
| if (idx != 0) { return -ENOENT; } |
| |
| if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) { |
| return -ENOENT; |
| } |
| |
| mutex_lock(&mvm->mutex); |
| |
| if (iwl_mvm_firmware_running(mvm)) { |
| ret = iwl_mvm_request_statistics(mvm, false); |
| if (ret) { goto out; } |
| } |
| |
| survey->filled = |
| SURVEY_INFO_TIME | SURVEY_INFO_TIME_RX | SURVEY_INFO_TIME_TX | SURVEY_INFO_TIME_SCAN; |
| survey->time = mvm->accu_radio_stats.on_time_rf + mvm->radio_stats.on_time_rf; |
| do_div(survey->time, USEC_PER_MSEC); |
| |
| survey->time_rx = mvm->accu_radio_stats.rx_time + mvm->radio_stats.rx_time; |
| do_div(survey->time_rx, USEC_PER_MSEC); |
| |
| survey->time_tx = mvm->accu_radio_stats.tx_time + mvm->radio_stats.tx_time; |
| do_div(survey->time_tx, USEC_PER_MSEC); |
| |
| survey->time_scan = mvm->accu_radio_stats.on_time_scan + mvm->radio_stats.on_time_scan; |
| do_div(survey->time_scan, USEC_PER_MSEC); |
| |
| ret = 0; |
| out: |
| mutex_unlock(&mvm->mutex); |
| return ret; |
| } |
| |
| static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw* hw, struct ieee80211_vif* vif, |
| struct ieee80211_sta* sta, struct station_info* sinfo) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif); |
| struct iwl_mvm_sta* mvmsta = iwl_mvm_sta_from_mac80211(sta); |
| |
| if (mvmsta->avg_energy) { |
| sinfo->signal_avg = mvmsta->avg_energy; |
| sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); |
| } |
| |
| /* if beacon filtering isn't on mac80211 does it anyway */ |
| if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) { return; } |
| |
| if (!vif->bss_conf.assoc) { return; } |
| |
| mutex_lock(&mvm->mutex); |
| |
| if (mvmvif->ap_sta_id != mvmsta->sta_id) { goto unlock; } |
| |
| if (iwl_mvm_request_statistics(mvm, false)) { goto unlock; } |
| |
| sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons + mvmvif->beacon_stats.accu_num_beacons; |
| sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); |
| if (mvmvif->beacon_stats.avg_signal) { |
| /* firmware only reports a value after RXing a few beacons */ |
| sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal; |
| sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); |
| } |
| unlock: |
| mutex_unlock(&mvm->mutex); |
| } |
| |
| static void iwl_mvm_event_mlme_callback(struct iwl_mvm* mvm, struct ieee80211_vif* vif, |
| const struct ieee80211_event* event) { |
| #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ |
| do { \ |
| if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ |
| break; \ |
| iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ |
| } while (0) |
| |
| struct iwl_fw_dbg_trigger_tlv* trig; |
| struct iwl_fw_dbg_trigger_mlme* trig_mlme; |
| |
| trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), FW_DBG_TRIGGER_MLME); |
| if (!trig) { return; } |
| |
| trig_mlme = (void*)trig->data; |
| |
| if (event->u.mlme.data == ASSOC_EVENT) { |
| if (event->u.mlme.status == MLME_DENIED) { |
| CHECK_MLME_TRIGGER(stop_assoc_denied, "DENIED ASSOC: reason %d", event->u.mlme.reason); |
| } else if (event->u.mlme.status == MLME_TIMEOUT) { |
| CHECK_MLME_TRIGGER(stop_assoc_timeout, "ASSOC TIMEOUT"); |
| } |
| } else if (event->u.mlme.data == AUTH_EVENT) { |
| if (event->u.mlme.status == MLME_DENIED) { |
| CHECK_MLME_TRIGGER(stop_auth_denied, "DENIED AUTH: reason %d", event->u.mlme.reason); |
| } else if (event->u.mlme.status == MLME_TIMEOUT) { |
| CHECK_MLME_TRIGGER(stop_auth_timeout, "AUTH TIMEOUT"); |
| } |
| } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { |
| CHECK_MLME_TRIGGER(stop_rx_deauth, "DEAUTH RX %d", event->u.mlme.reason); |
| } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { |
| CHECK_MLME_TRIGGER(stop_tx_deauth, "DEAUTH TX %d", event->u.mlme.reason); |
| } |
| #undef CHECK_MLME_TRIGGER |
| } |
| |
| static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm* mvm, struct ieee80211_vif* vif, |
| const struct ieee80211_event* event) { |
| struct iwl_fw_dbg_trigger_tlv* trig; |
| struct iwl_fw_dbg_trigger_ba* ba_trig; |
| |
| trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), FW_DBG_TRIGGER_BA); |
| if (!trig) { return; } |
| |
| ba_trig = (void*)trig->data; |
| |
| if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) { return; } |
| |
| iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, "BAR received from %pM, tid %d, ssn %d", |
| event->u.ba.sta->addr, event->u.ba.tid, event->u.ba.ssn); |
| } |
| |
| #ifdef CPTCFG_MAC80211_LATENCY_MEASUREMENTS |
| #define MARKER_CMD_TX_LAT_PAYLOAD_SIZE 5 |
| #define MARKER_CMD_TX_LAT_TID_OFFSET 12 |
| #define MARKER_CMD_TX_LAT_DEFAULT_WIN 1000 |
| #define MARKER_CMD_TX_LAT_UNKNOWN 0xffffffff |
| |
| static uint32_t iwl_mvm_send_latency_marker_cmd(struct iwl_mvm* mvm, uint32_t msrmnt, uint16_t seq, |
| uint16_t tid) { |
| struct timespec ts; |
| int ret; |
| struct iwl_mvm_marker_rsp* rsp; |
| struct iwl_mvm_marker* marker; |
| struct iwl_host_cmd cmd = { |
| .id = MARKER_CMD, |
| .flags = CMD_WANT_SKB, |
| }; |
| uint32_t cmd_size = |
| sizeof(struct iwl_mvm_marker) + MARKER_CMD_TX_LAT_PAYLOAD_SIZE * sizeof(uint32_t); |
| |
| getnstimeofday(&ts); |
| |
| marker = kzalloc(cmd_size, GFP_KERNEL); |
| if (!marker) { return -ENOMEM; } |
| |
| cmd.data[0] = marker; |
| cmd.len[0] = cmd_size; |
| |
| marker->dw_len = 0x8; |
| marker->marker_id = MARKER_ID_TX_FRAME_LATENCY; |
| marker->timestamp = cpu_to_le64(ts.tv_sec * 1000 + ts.tv_nsec / 1000000); |
| /* metadata[0]-frame latency */ |
| marker->metadata[0] = cpu_to_le32(msrmnt); |
| /* metadata[1]-delta in msec from UTC to frame enter the kernel */ |
| marker->metadata[1] = cpu_to_le32(MARKER_CMD_TX_LAT_UNKNOWN); |
| /* metadata[2]-delta in msec from UTC to frame enter the NIC */ |
| marker->metadata[2] = cpu_to_le32(MARKER_CMD_TX_LAT_UNKNOWN); |
| /* metadata[3]-delta in msec from UTC to frecieved from the NIC */ |
| marker->metadata[3] = cpu_to_le32(MARKER_CMD_TX_LAT_UNKNOWN); |
| /* metadata[4]-bits:16-31-TFD Queue ID, 12-15-TID, 0-11-sequence */ |
| marker->metadata[4] = |
| cpu_to_le32(0xffff0000 | ((0xf & tid) << MARKER_CMD_TX_LAT_TID_OFFSET) | (seq & 0x0fff)); |
| |
| mutex_lock(&mvm->mutex); |
| ret = iwl_mvm_send_cmd(mvm, &cmd); |
| mutex_unlock(&mvm->mutex); |
| if (ret) { |
| IWL_ERR(mvm, "Couldn't send MARKER_CMD: %d\n", ret); |
| goto out; |
| } |
| |
| rsp = (void*)cmd.resp_pkt->data; |
| ret = le32_to_cpu(rsp->gp2); |
| iwl_free_resp(&cmd); |
| out: |
| kfree(marker); |
| return ret; |
| } |
| |
| /* |
| * Trigger the fw log collection in case of a Tx packet that has crossed a |
| * configured threshold. |
| * |
| * There are 3 differnt modes of triggering: |
| * |
| * Immediate Internal buffer mode: |
| * The driver will retrieve monitor/usniffer data on the first driver |
| * notification and wait for 1 second (during this 1 second it will not issue |
| * another monitor/usniffer retrieve request). During this 1 second the driver |
| * will store all notifications data to the trace including GP2 timestamp for |
| * every notification. Also special mark will be sent to the firmware for every |
| * notification. |
| * |
| * Delayed Internal buffer mode: |
| * During the window interval the driver will calculate which tx had the |
| * largest latency. When the monitor_collect_window expires the driver will |
| * retrieve monitor/sniffer and print the notification for the packet with max |
| * latency to the trace including GP2 timestamp. Also special mark will be sent |
| * to the firmware for every notification. |
| * |
| * Continuous External buffer mode: |
| * The mode is used when we are able to direct the usniffer logs to an external |
| * memory device (should be started/stopped Manually). |
| * During the window interval the driver will calculate which tx had the |
| * largest latency. When the monitor_collect_window expires the driver print |
| * the notification for the packet with max latency to the trace including GP2 |
| * timestamp. Also special mark will be sent to the firmware for every |
| * notification. |
| */ |
| |
| /* |
| * TX latency monitor watchdog is armed upon first latency notification. |
| * It fires when monitor window is expired and does the following: |
| * - immediate internal buffer mode: just reset start_round_ts flag |
| * - delayed internal buffer mode: writes metadata to trace-cmd and collects |
| * firmware dump |
| * - continuous external buffer mode: just writes metadata to trace-cmd |
| */ |
| void iwl_mvm_tx_latency_watchdog_wk(struct work_struct* wk) { |
| struct iwl_mvm* mvm = container_of(wk, struct iwl_mvm, tx_latency_watchdog_wk.work); |
| struct iwl_fw_dbg_trigger_tlv* trig; |
| struct ieee80211_tx_latency_event* tx_lat = &mvm->last_tx_lat_event; |
| struct ieee80211_tx_latency_event* max = &mvm->round_max_tx_lat; |
| uint32_t round_dur = tx_lat->monitor_collec_wind; |
| |
| mvm->start_round_ts = 0; |
| |
| if (!round_dur) { return; } |
| |
| if (tx_lat->mode == IEEE80211_TX_LATENCY_EXT_BUF) { |
| trace_iwlwifi_dev_tx_latency_thrshld(mvm->dev, max->msrmnt, max->pkt_start, max->pkt_end, |
| max->tid, max->event_time, max->seq, |
| mvm->max_tx_latency_gp2, 1); |
| return; |
| } |
| |
| trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TX_LATENCY); |
| trace_iwlwifi_dev_tx_latency_thrshld(mvm->dev, max->msrmnt, max->pkt_start, max->pkt_end, |
| max->tid, max->event_time, max->seq, |
| mvm->max_tx_latency_gp2, 1); |
| iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, |
| "Tx Latency threshold was crossed, seq: 0x%x, msrmnt: %d.", max->seq, |
| max->msrmnt); |
| } |
| |
| /* |
| * TX latency monitor work is scheduled upon every latency event. Regardless of |
| * the monitor mode it as a first step sends firmware marker command containing |
| * problematic packet's data - latency measurement, sequence number and TID. |
| * It also obtains GP2 timestamp for this marker command. |
| * The rest depends on monitor mode as follows: |
| * 1. Immediate Internal Buffer mode. |
| * - arms watchdog to fire after monitor period (1 sec) |
| * - write packet's metadata to trace-cmd |
| * - only if the packet is the first one starting the monitor period, |
| * collect firmware dump |
| * 2. Delayed Internal Buffer mode. |
| * - arms watchdog to fire after user defined monitor period |
| * - save largest latency packet's metadata |
| * 3. Continuous External Buffer mode with delay. |
| * - arms watchdog to fire after user defined monitor period |
| * - save largest latency packet's metadata |
| * 4. Continuous External Buffer mode without delay. |
| * - write packet's metadata to trace-cmd |
| */ |
| void iwl_mvm_tx_latency_wk(struct work_struct* wk) { |
| struct iwl_mvm* mvm = container_of(wk, struct iwl_mvm, tx_latency_wk); |
| struct iwl_fw_dbg_trigger_tlv* trig; |
| struct ieee80211_tx_latency_event* tx_lat = &mvm->last_tx_lat_event; |
| struct ieee80211_tx_latency_event* max = &mvm->round_max_tx_lat; |
| s64 ts = ktime_to_ms(ktime_get()); |
| uint32_t round_dur = tx_lat->monitor_collec_wind; |
| uint32_t round_end = |
| tx_lat->monitor_collec_wind ? tx_lat->monitor_collec_wind : MARKER_CMD_TX_LAT_DEFAULT_WIN; |
| bool first_pkt = false; |
| uint32_t gp2 = 0; |
| uint32_t delay = 0; |
| |
| if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_TX_LATENCY)) { return; } |
| |
| trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TX_LATENCY); |
| |
| tx_lat->event_time = ktime_to_ms(ktime_get()); |
| |
| gp2 = iwl_mvm_send_latency_marker_cmd(mvm, tx_lat->msrmnt, tx_lat->seq, tx_lat->tid); |
| /* |
| * If this is the first packet that crossed the threshold in the round |
| * update start time stamp |
| */ |
| if (!mvm->start_round_ts) { |
| mvm->start_round_ts = ts; |
| first_pkt = true; |
| memcpy(max, tx_lat, sizeof(*tx_lat)); |
| mvm->max_tx_latency_gp2 = gp2; |
| if (round_dur) { |
| delay = msecs_to_jiffies(round_dur); |
| } else if (tx_lat->mode == IEEE80211_TX_LATENCY_INT_BUF) { |
| delay = msecs_to_jiffies(round_end); |
| } |
| if (delay) { schedule_delayed_work(&mvm->tx_latency_watchdog_wk, delay); } |
| } |
| |
| /* |
| * Updated the packet with the max latency. |
| */ |
| if (round_dur && max->msrmnt < tx_lat->msrmnt) { |
| memcpy(max, tx_lat, sizeof(*tx_lat)); |
| mvm->max_tx_latency_gp2 = gp2; |
| } |
| |
| if (round_dur) { return; } |
| |
| if (tx_lat->mode == IEEE80211_TX_LATENCY_EXT_BUF) { |
| trace_iwlwifi_dev_tx_latency_thrshld(mvm->dev, tx_lat->msrmnt, tx_lat->pkt_start, |
| tx_lat->pkt_end, tx_lat->tid, tx_lat->event_time, |
| tx_lat->seq, gp2, 0); |
| return; |
| } |
| |
| trace_iwlwifi_dev_tx_latency_thrshld(mvm->dev, tx_lat->msrmnt, tx_lat->pkt_start, |
| tx_lat->pkt_end, tx_lat->tid, tx_lat->event_time, |
| tx_lat->seq, gp2, 0); |
| if (first_pkt) |
| iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, |
| "Tx Latency threshold was crossed, seq: 0x%x, msrmnt: %d.", |
| tx_lat->seq, tx_lat->msrmnt); |
| } |
| |
| static void iwl_mvm_event_tx_latency_callback(struct iwl_mvm* mvm, struct ieee80211_vif* vif, |
| const struct ieee80211_event* event) { |
| memcpy(&mvm->last_tx_lat_event, &event->u.tx_lat, sizeof(event->u.tx_lat)); |
| schedule_work(&mvm->tx_latency_wk); |
| } |
| #endif /* CPTCFG_MAC80211_LATENCY_MEASUREMENTS */ |
| |
| static void iwl_mvm_mac_event_callback(struct ieee80211_hw* hw, struct ieee80211_vif* vif, |
| const struct ieee80211_event* event) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| |
| switch (event->type) { |
| case MLME_EVENT: |
| iwl_mvm_event_mlme_callback(mvm, vif, event); |
| break; |
| case BAR_RX_EVENT: |
| iwl_mvm_event_bar_rx_callback(mvm, vif, event); |
| break; |
| case BA_FRAME_TIMEOUT: |
| iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, event->u.ba.tid); |
| break; |
| #ifdef CPTCFG_MAC80211_LATENCY_MEASUREMENTS |
| case TX_LATENCY_EVENT: |
| iwl_mvm_event_tx_latency_callback(mvm, vif, event); |
| break; |
| #endif /* CPTCFG_MAC80211_LATENCY_MEASUREMENTS */ |
| default: |
| break; |
| } |
| } |
| |
| void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm* mvm, struct iwl_mvm_internal_rxq_notif* notif, |
| uint32_t size) { |
| uint32_t qmask = BIT(mvm->trans->num_rx_queues) - 1; |
| int ret; |
| |
| iwl_assert_lock_held(&mvm->mutex); |
| |
| if (!iwl_mvm_has_new_rx_api(mvm)) { return; } |
| |
| notif->cookie = mvm->queue_sync_cookie; |
| |
| if (notif->sync) { atomic_set(&mvm->queue_sync_counter, mvm->trans->num_rx_queues); } |
| |
| ret = iwl_mvm_notify_rx_queue(mvm, qmask, (uint8_t*)notif, size); |
| if (ret) { |
| IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); |
| goto out; |
| } |
| |
| if (notif->sync) { |
| ret = wait_event_timeout( |
| mvm->rx_sync_waitq, |
| atomic_read(&mvm->queue_sync_counter) == 0 || iwl_mvm_is_radio_killed(mvm), HZ); |
| WARN_ON_ONCE(!ret && !iwl_mvm_is_radio_killed(mvm)); |
| } |
| |
| out: |
| atomic_set(&mvm->queue_sync_counter, 0); |
| mvm->queue_sync_cookie++; |
| } |
| |
| static void iwl_mvm_sync_rx_queues(struct ieee80211_hw* hw) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| struct iwl_mvm_internal_rxq_notif data = { |
| .type = IWL_MVM_RXQ_EMPTY, |
| .sync = 1, |
| }; |
| |
| mutex_lock(&mvm->mutex); |
| iwl_mvm_sync_rx_queues_internal(mvm, &data, sizeof(data)); |
| mutex_unlock(&mvm->mutex); |
| } |
| |
| static bool iwl_mvm_can_hw_csum(struct sk_buff* skb) { |
| #if IS_ENABLED(CONFIG_INET) |
| uint8_t protocol = ip_hdr(skb)->protocol; |
| |
| if (protocol != IPPROTO_TCP || protocol != IPPROTO_UDP) { return false; } |
| return true; |
| #else |
| return false; |
| #endif |
| } |
| |
| static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw* hw, struct sk_buff* head, |
| struct sk_buff* skb) { |
| struct iwl_mvm* mvm = IWL_MAC80211_GET_MVM(hw); |
| |
| /* For now don't aggregate IPv6 in AMSDU */ |
| if (skb->protocol != htons(ETH_P_IP)) { return false; } |
| |
| if (!iwl_mvm_is_csum_supported(mvm)) { return true; } |
| |
| return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); |
| } |
| #endif // NEEDS_PORTING |
| |
| const struct ieee80211_ops iwl_mvm_hw_ops = { |
| #if 0 // NEEDS_PORTING |
| .tx = iwl_mvm_mac_tx, |
| .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, |
| .ampdu_action = iwl_mvm_mac_ampdu_action, |
| .start = iwl_mvm_mac_start, |
| .reconfig_complete = iwl_mvm_mac_reconfig_complete, |
| .stop = iwl_mvm_mac_stop, |
| .add_interface = iwl_mvm_mac_add_interface, |
| .remove_interface = iwl_mvm_mac_remove_interface, |
| .config = iwl_mvm_mac_config, |
| .prepare_multicast = iwl_mvm_prepare_multicast, |
| .configure_filter = iwl_mvm_configure_filter, |
| .config_iface_filter = iwl_mvm_config_iface_filter, |
| .bss_info_changed = iwl_mvm_bss_info_changed, |
| .hw_scan = iwl_mvm_mac_hw_scan, |
| .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, |
| .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, |
| .sta_state = iwl_mvm_mac_sta_state, |
| .sta_notify = iwl_mvm_mac_sta_notify, |
| .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, |
| .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, |
| .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, |
| .sta_rc_update = iwl_mvm_sta_rc_update, |
| .conf_tx = iwl_mvm_mac_conf_tx, |
| .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, |
| .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, |
| .flush = iwl_mvm_mac_flush, |
| .sched_scan_start = iwl_mvm_mac_sched_scan_start, |
| .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, |
| .set_key = iwl_mvm_mac_set_key, |
| .update_tkip_key = iwl_mvm_mac_update_tkip_key, |
| .remain_on_channel = iwl_mvm_roc, |
| .cancel_remain_on_channel = iwl_mvm_cancel_roc, |
| .add_chanctx = iwl_mvm_add_chanctx, |
| .remove_chanctx = iwl_mvm_remove_chanctx, |
| .change_chanctx = iwl_mvm_change_chanctx, |
| .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, |
| .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, |
| .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, |
| |
| .start_ap = iwl_mvm_start_ap_ibss, |
| .stop_ap = iwl_mvm_stop_ap_ibss, |
| .join_ibss = iwl_mvm_start_ap_ibss, |
| .leave_ibss = iwl_mvm_stop_ap_ibss, |
| |
| .tx_last_beacon = iwl_mvm_tx_last_beacon, |
| |
| .set_tim = iwl_mvm_set_tim, |
| |
| .channel_switch = iwl_mvm_channel_switch, |
| .pre_channel_switch = iwl_mvm_pre_channel_switch, |
| .post_channel_switch = iwl_mvm_post_channel_switch, |
| |
| .tdls_channel_switch = iwl_mvm_tdls_channel_switch, |
| .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, |
| .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, |
| |
| .event_callback = iwl_mvm_mac_event_callback, |
| |
| .sync_rx_queues = iwl_mvm_sync_rx_queues, |
| |
| CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) |
| |
| #ifdef CONFIG_PM_SLEEP |
| /* look at d3.c */ |
| .suspend = iwl_mvm_suspend, |
| .resume = iwl_mvm_resume, |
| .set_wakeup = iwl_mvm_set_wakeup, |
| .set_rekey_data = iwl_mvm_set_rekey_data, |
| #if IS_ENABLED(CONFIG_IPV6) |
| .ipv6_addr_change = iwl_mvm_ipv6_addr_change, |
| #endif |
| .set_default_unicast_key = iwl_mvm_set_default_unicast_key, |
| #endif |
| .get_survey = iwl_mvm_mac_get_survey, |
| .sta_statistics = iwl_mvm_mac_sta_statistics, |
| |
| .start_nan = iwl_mvm_start_nan, |
| .stop_nan = iwl_mvm_stop_nan, |
| .add_nan_func = iwl_mvm_add_nan_func, |
| .del_nan_func = iwl_mvm_del_nan_func, |
| |
| .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, |
| #ifdef CPTCFG_IWLWIFI_DEBUGFS |
| .sta_add_debugfs = iwl_mvm_sta_add_debugfs, |
| #endif |
| #endif // NEEDS_PORTING |
| }; |