From 1c055e55a242a33e574e48be530e06770a210dcd Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Mon, 19 Feb 2024 03:26:26 +0000 Subject: [PATCH] add r8169 read mac form eeprom --- kernel/drivers/net/wireless/intel/iwlwifi/mvm/d3.c | 916 +++++++++++++++++++++++++++++++++++--------------------- 1 files changed, 570 insertions(+), 346 deletions(-) diff --git a/kernel/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/kernel/drivers/net/wireless/intel/iwlwifi/mvm/d3.c index 868cb11..d211434 100644 --- a/kernel/drivers/net/wireless/intel/iwlwifi/mvm/d3.c +++ b/kernel/drivers/net/wireless/intel/iwlwifi/mvm/d3.c @@ -5,10 +5,9 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. + * Copyright(c) 2012 - 2014, 2018 - 2020 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 * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -28,10 +27,9 @@ * * BSD LICENSE * - * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. + * Copyright(c) 2012 - 2014, 2018 - 2020 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 @@ -72,6 +70,7 @@ #include "iwl-modparams.h" #include "fw-api.h" #include "mvm.h" +#include "fw/img.h" void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw, struct ieee80211_vif *vif, @@ -80,13 +79,13 @@ struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - if (iwlwifi_mod_params.swcrypto) - return; - mutex_lock(&mvm->mutex); - memcpy(mvmvif->rekey_data.kek, data->kek, NL80211_KEK_LEN); - memcpy(mvmvif->rekey_data.kck, data->kck, NL80211_KCK_LEN); + mvmvif->rekey_data.kek_len = data->kek_len; + mvmvif->rekey_data.kck_len = data->kck_len; + memcpy(mvmvif->rekey_data.kek, data->kek, data->kek_len); + memcpy(mvmvif->rekey_data.kck, data->kck, data->kck_len); + mvmvif->rekey_data.akm = data->akm & 0xFF; mvmvif->rekey_data.replay_ctr = cpu_to_le64(be64_to_cpup((__be64 *)data->replay_ctr)); mvmvif->rekey_data.valid = true; @@ -161,6 +160,7 @@ struct wowlan_key_data { struct iwl_wowlan_rsc_tsc_params_cmd *rsc_tsc; struct iwl_wowlan_tkip_params_cmd *tkip; + struct iwl_wowlan_kek_kck_material_cmd_v3 *kek_kck_cmd; bool error, use_rsc_tsc, use_tkip, configure_keys; int wep_key_idx; }; @@ -237,7 +237,12 @@ default: data->error = true; return; + case WLAN_CIPHER_SUITE_BIP_GMAC_256: + case WLAN_CIPHER_SUITE_BIP_GMAC_128: + data->kek_kck_cmd->igtk_cipher = cpu_to_le32(STA_KEY_FLG_GCMP); + return; case WLAN_CIPHER_SUITE_AES_CMAC: + data->kek_kck_cmd->igtk_cipher = cpu_to_le32(STA_KEY_FLG_CCM); /* * Ignore CMAC keys -- the WoWLAN firmware doesn't support them * but we also shouldn't abort suspend due to that. It does have @@ -250,8 +255,10 @@ if (sta) { u64 pn64; - tkip_sc = data->rsc_tsc->all_tsc_rsc.tkip.unicast_rsc; - tkip_tx_sc = &data->rsc_tsc->all_tsc_rsc.tkip.tsc; + tkip_sc = + data->rsc_tsc->params.all_tsc_rsc.tkip.unicast_rsc; + tkip_tx_sc = + &data->rsc_tsc->params.all_tsc_rsc.tkip.tsc; rx_p1ks = data->tkip->rx_uni; @@ -270,9 +277,11 @@ rx_mic_key = data->tkip->mic_keys.rx_unicast; } else { tkip_sc = - data->rsc_tsc->all_tsc_rsc.tkip.multicast_rsc; + data->rsc_tsc->params.all_tsc_rsc.tkip.multicast_rsc; rx_p1ks = data->tkip->rx_multi; rx_mic_key = data->tkip->mic_keys.rx_mcast; + data->kek_kck_cmd->gtk_cipher = + cpu_to_le32(STA_KEY_FLG_TKIP); } /* @@ -304,16 +313,25 @@ data->use_rsc_tsc = true; break; case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_GCMP: + case WLAN_CIPHER_SUITE_GCMP_256: if (sta) { u64 pn64; - aes_sc = data->rsc_tsc->all_tsc_rsc.aes.unicast_rsc; - aes_tx_sc = &data->rsc_tsc->all_tsc_rsc.aes.tsc; + aes_sc = + data->rsc_tsc->params.all_tsc_rsc.aes.unicast_rsc; + aes_tx_sc = + &data->rsc_tsc->params.all_tsc_rsc.aes.tsc; pn64 = atomic64_read(&key->tx_pn); aes_tx_sc->pn = cpu_to_le64(pn64); } else { - aes_sc = data->rsc_tsc->all_tsc_rsc.aes.multicast_rsc; + aes_sc = + data->rsc_tsc->params.all_tsc_rsc.aes.multicast_rsc; + data->kek_kck_cmd->gtk_cipher = + key->cipher == WLAN_CIPHER_SUITE_CCMP ? + cpu_to_le32(STA_KEY_FLG_CCM) : + cpu_to_le32(STA_KEY_FLG_GCMP); } /* @@ -326,11 +344,12 @@ const u8 *pn; mvmsta = iwl_mvm_sta_from_mac80211(sta); - ptk_pn = rcu_dereference_protected( - mvmsta->ptk_pn[key->keyidx], - lockdep_is_held(&mvm->mutex)); - if (WARN_ON(!ptk_pn)) + rcu_read_lock(); + ptk_pn = rcu_dereference(mvmsta->ptk_pn[key->keyidx]); + if (WARN_ON(!ptk_pn)) { + rcu_read_unlock(); break; + } for (i = 0; i < IWL_MAX_TID_COUNT; i++) { pn = iwl_mvm_find_max_pn(key, ptk_pn, &seq, i, @@ -342,6 +361,8 @@ ((u64)pn[1] << 32) | ((u64)pn[0] << 40)); } + + rcu_read_unlock(); } else { for (i = 0; i < IWL_NUM_RSC; i++) { u8 *pn = seq.ccmp.pn; @@ -358,6 +379,8 @@ data->use_rsc_tsc = true; break; } + + IWL_DEBUG_WOWLAN(mvm, "GTK cipher %d\n", data->kek_kck_cmd->gtk_cipher); if (data->configure_keys) { mutex_lock(&mvm->mutex); @@ -385,10 +408,10 @@ } } -static int iwl_mvm_send_patterns(struct iwl_mvm *mvm, - struct cfg80211_wowlan *wowlan) +static int iwl_mvm_send_patterns_v1(struct iwl_mvm *mvm, + struct cfg80211_wowlan *wowlan) { - struct iwl_wowlan_patterns_cmd *pattern_cmd; + struct iwl_wowlan_patterns_cmd_v1 *pattern_cmd; struct iwl_host_cmd cmd = { .id = WOWLAN_PATTERNS, .dataflags[0] = IWL_HCMD_DFL_NOCOPY, @@ -398,8 +421,7 @@ if (!wowlan->n_patterns) return 0; - cmd.len[0] = sizeof(*pattern_cmd) + - wowlan->n_patterns * sizeof(struct iwl_wowlan_pattern); + cmd.len[0] = struct_size(pattern_cmd, patterns, wowlan->n_patterns); pattern_cmd = kmalloc(cmd.len[0], GFP_KERNEL); if (!pattern_cmd) @@ -426,6 +448,50 @@ return err; } +static int iwl_mvm_send_patterns(struct iwl_mvm *mvm, + struct cfg80211_wowlan *wowlan) +{ + struct iwl_wowlan_patterns_cmd *pattern_cmd; + struct iwl_host_cmd cmd = { + .id = WOWLAN_PATTERNS, + .dataflags[0] = IWL_HCMD_DFL_NOCOPY, + }; + int i, err; + + if (!wowlan->n_patterns) + return 0; + + cmd.len[0] = sizeof(*pattern_cmd) + + wowlan->n_patterns * sizeof(struct iwl_wowlan_pattern_v2); + + pattern_cmd = kmalloc(cmd.len[0], GFP_KERNEL); + if (!pattern_cmd) + return -ENOMEM; + + pattern_cmd->n_patterns = cpu_to_le32(wowlan->n_patterns); + + for (i = 0; i < wowlan->n_patterns; i++) { + int mask_len = DIV_ROUND_UP(wowlan->patterns[i].pattern_len, 8); + + pattern_cmd->patterns[i].pattern_type = + WOWLAN_PATTERN_TYPE_BITMASK; + + memcpy(&pattern_cmd->patterns[i].u.bitmask.mask, + wowlan->patterns[i].mask, mask_len); + memcpy(&pattern_cmd->patterns[i].u.bitmask.pattern, + wowlan->patterns[i].pattern, + wowlan->patterns[i].pattern_len); + pattern_cmd->patterns[i].u.bitmask.mask_size = mask_len; + pattern_cmd->patterns[i].u.bitmask.pattern_size = + wowlan->patterns[i].pattern_len; + } + + cmd.data[0] = pattern_cmd; + err = iwl_mvm_send_cmd(mvm, &cmd); + kfree(pattern_cmd); + return err; +} + static int iwl_mvm_d3_reprogram(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct ieee80211_sta *ap_sta) { @@ -434,23 +500,13 @@ u8 chains_static, chains_dynamic; struct cfg80211_chan_def chandef; int ret, i; - struct iwl_binding_cmd binding_cmd = {}; + struct iwl_binding_cmd_v1 binding_cmd = {}; struct iwl_time_quota_cmd quota_cmd = {}; struct iwl_time_quota_data *quota; u32 status; - int size; - if (fw_has_capa(&mvm->fw->ucode_capa, - IWL_UCODE_TLV_CAPA_BINDING_CDB_SUPPORT)) { - size = sizeof(binding_cmd); - if (mvmvif->phy_ctxt->channel->band == NL80211_BAND_2GHZ || - !iwl_mvm_is_cdb_supported(mvm)) - binding_cmd.lmac_id = cpu_to_le32(IWL_LMAC_24G_INDEX); - else - binding_cmd.lmac_id = cpu_to_le32(IWL_LMAC_5G_INDEX); - } else { - size = IWL_BINDING_CMD_SIZE_V1; - } + if (WARN_ON_ONCE(iwl_mvm_is_cdb_supported(mvm))) + return -EINVAL; /* add back the PHY */ if (WARN_ON(!mvmvif->phy_ctxt)) @@ -497,7 +553,8 @@ status = 0; ret = iwl_mvm_send_cmd_pdu_status(mvm, BINDING_CONTEXT_CMD, - size, &binding_cmd, &status); + IWL_BINDING_CMD_SIZE_V1, &binding_cmd, + &status); if (ret) { IWL_ERR(mvm, "Failed to add binding: %d\n", ret); return ret; @@ -701,46 +758,25 @@ return 0; } -static void -iwl_mvm_iter_d0i3_ap_keys(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - void (*iter)(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_sta *sta, - struct ieee80211_key_conf *key, - void *data), - void *data) +static int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + u32 cmd_flags) { - struct ieee80211_sta *ap_sta; - - rcu_read_lock(); - - ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[mvm->d0i3_ap_sta_id]); - if (IS_ERR_OR_NULL(ap_sta)) - goto out; - - ieee80211_iter_keys_rcu(mvm->hw, vif, iter, data); -out: - rcu_read_unlock(); -} - -int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - bool d0i3, - u32 cmd_flags) -{ - struct iwl_wowlan_kek_kck_material_cmd kek_kck_cmd = {}; + struct iwl_wowlan_kek_kck_material_cmd_v3 kek_kck_cmd = {}; struct iwl_wowlan_tkip_params_cmd tkip_cmd = {}; bool unified = fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); struct wowlan_key_data key_data = { - .configure_keys = !d0i3 && !unified, + .configure_keys = !unified, .use_rsc_tsc = false, .tkip = &tkip_cmd, .use_tkip = false, + .kek_kck_cmd = &kek_kck_cmd, }; struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); int ret; + u8 cmd_ver; + size_t cmd_size; key_data.rsc_tsc = kzalloc(sizeof(*key_data.rsc_tsc), GFP_KERNEL); if (!key_data.rsc_tsc) @@ -750,25 +786,16 @@ * if we have to configure keys, call ieee80211_iter_keys(), * as we need non-atomic context in order to take the * required locks. - * for the d0i3 we can't use ieee80211_iter_keys(), as - * taking (almost) any mutex might result in deadlock. */ - if (!d0i3) { - /* - * Note that currently we don't propagate cmd_flags - * to the iterator. In case of key_data.configure_keys, - * all the configured commands are SYNC, and - * iwl_mvm_wowlan_program_keys() will take care of - * locking/unlocking mvm->mutex. - */ - ieee80211_iter_keys(mvm->hw, vif, - iwl_mvm_wowlan_program_keys, - &key_data); - } else { - iwl_mvm_iter_d0i3_ap_keys(mvm, vif, - iwl_mvm_wowlan_program_keys, - &key_data); - } + /* + * Note that currently we don't propagate cmd_flags + * to the iterator. In case of key_data.configure_keys, + * all the configured commands are SYNC, and + * iwl_mvm_wowlan_program_keys() will take care of + * locking/unlocking mvm->mutex. + */ + ieee80211_iter_keys(mvm->hw, vif, iwl_mvm_wowlan_program_keys, + &key_data); if (key_data.error) { ret = -EIO; @@ -776,10 +803,29 @@ } if (key_data.use_rsc_tsc) { - ret = iwl_mvm_send_cmd_pdu(mvm, - WOWLAN_TSC_RSC_PARAM, cmd_flags, - sizeof(*key_data.rsc_tsc), + int ver = iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP, + WOWLAN_TSC_RSC_PARAM, + IWL_FW_CMD_VER_UNKNOWN); + int size; + + if (ver == 4) { + size = sizeof(*key_data.rsc_tsc); + key_data.rsc_tsc->sta_id = + cpu_to_le32(mvmvif->ap_sta_id); + + } else if (ver == 2 || ver == IWL_FW_CMD_VER_UNKNOWN) { + size = sizeof(key_data.rsc_tsc->params); + } else { + ret = 0; + WARN_ON_ONCE(1); + goto out; + } + + ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_TSC_RSC_PARAM, + cmd_flags, + size, key_data.rsc_tsc); + if (ret) goto out; } @@ -787,28 +833,61 @@ if (key_data.use_tkip && !fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_TKIP_MIC_KEYS)) { + int ver = iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP, + WOWLAN_TKIP_PARAM, + IWL_FW_CMD_VER_UNKNOWN); + int size; + + if (ver == 2) { + size = sizeof(tkip_cmd); + key_data.tkip->sta_id = + cpu_to_le32(mvmvif->ap_sta_id); + } else if (ver == 1 || ver == IWL_FW_CMD_VER_UNKNOWN) { + size = sizeof(struct iwl_wowlan_tkip_params_cmd_ver_1); + } else { + ret = -EINVAL; + WARN_ON_ONCE(1); + goto out; + } + + /* send relevant data according to CMD version */ ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_TKIP_PARAM, - cmd_flags, sizeof(tkip_cmd), + cmd_flags, size, &tkip_cmd); if (ret) goto out; } /* configure rekey data only if offloaded rekey is supported (d3) */ - if (mvmvif->rekey_data.valid && !d0i3) { - memset(&kek_kck_cmd, 0, sizeof(kek_kck_cmd)); + if (mvmvif->rekey_data.valid) { + cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, + IWL_ALWAYS_LONG_GROUP, + WOWLAN_KEK_KCK_MATERIAL, + IWL_FW_CMD_VER_UNKNOWN); + if (WARN_ON(cmd_ver != 2 && cmd_ver != 3 && + cmd_ver != IWL_FW_CMD_VER_UNKNOWN)) + return -EINVAL; + if (cmd_ver == 3) + cmd_size = sizeof(struct iwl_wowlan_kek_kck_material_cmd_v3); + else + cmd_size = sizeof(struct iwl_wowlan_kek_kck_material_cmd_v2); + memcpy(kek_kck_cmd.kck, mvmvif->rekey_data.kck, - NL80211_KCK_LEN); - kek_kck_cmd.kck_len = cpu_to_le16(NL80211_KCK_LEN); + mvmvif->rekey_data.kck_len); + kek_kck_cmd.kck_len = cpu_to_le16(mvmvif->rekey_data.kck_len); memcpy(kek_kck_cmd.kek, mvmvif->rekey_data.kek, - NL80211_KEK_LEN); - kek_kck_cmd.kek_len = cpu_to_le16(NL80211_KEK_LEN); + mvmvif->rekey_data.kek_len); + kek_kck_cmd.kek_len = cpu_to_le16(mvmvif->rekey_data.kek_len); kek_kck_cmd.replay_ctr = mvmvif->rekey_data.replay_ctr; + kek_kck_cmd.akm = cpu_to_le32(mvmvif->rekey_data.akm); + + IWL_DEBUG_WOWLAN(mvm, "setting akm %d\n", + mvmvif->rekey_data.akm); ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_KEK_KCK_MATERIAL, cmd_flags, - sizeof(kek_kck_cmd), + cmd_size, &kek_kck_cmd); if (ret) goto out; @@ -830,6 +909,8 @@ bool unified_image = fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); + mvm->offload_tid = wowlan_config_cmd->offloading_tid; + if (!unified_image) { ret = iwl_mvm_switch_to_d3(mvm); if (ret) @@ -840,19 +921,16 @@ return ret; } - if (!iwlwifi_mod_params.swcrypto) { - /* - * This needs to be unlocked due to lock ordering - * constraints. Since we're in the suspend path - * that isn't really a problem though. - */ - mutex_unlock(&mvm->mutex); - ret = iwl_mvm_wowlan_config_key_params(mvm, vif, false, - CMD_ASYNC); - mutex_lock(&mvm->mutex); - if (ret) - return ret; - } + /* + * This needs to be unlocked due to lock ordering + * constraints. Since we're in the suspend path + * that isn't really a problem though. + */ + mutex_unlock(&mvm->mutex); + ret = iwl_mvm_wowlan_config_key_params(mvm, vif, CMD_ASYNC); + mutex_lock(&mvm->mutex); + if (ret) + return ret; ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, 0, sizeof(*wowlan_config_cmd), @@ -860,7 +938,11 @@ if (ret) return ret; - ret = iwl_mvm_send_patterns(mvm, wowlan); + if (fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_WOWLAN_TCP_SYN_WAKE)) + ret = iwl_mvm_send_patterns(mvm, wowlan); + else + ret = iwl_mvm_send_patterns_v1(mvm, wowlan); if (ret) return ret; @@ -897,6 +979,8 @@ if (wowlan->rfkill_release) wowlan_config_cmd.wakeup_filter |= cpu_to_le32(IWL_WOWLAN_WAKEUP_RF_KILL_DEASSERT); + + wowlan_config_cmd.sta_id = mvm->aux_sta.sta_id; ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, 0, sizeof(wowlan_config_cmd), @@ -981,6 +1065,8 @@ mutex_lock(&mvm->mutex); + set_bit(IWL_MVM_STATUS_IN_D3, &mvm->status); + vif = iwl_mvm_get_bss_vif(mvm); if (IS_ERR_OR_NULL(vif)) { ret = 1; @@ -1004,6 +1090,8 @@ mvm->net_detect = true; } else { struct iwl_wowlan_config_cmd wowlan_config_cmd = {}; + + wowlan_config_cmd.sta_id = mvmvif->ap_sta_id; ap_sta = rcu_dereference_protected( mvm->fw_id_to_mac_id[mvmvif->ap_sta_id], @@ -1040,11 +1128,12 @@ #endif /* - * TODO: this is needed because the firmware is not stopping - * the recording automatically before entering D3. This can - * be removed once the FW starts doing that. + * Prior to 9000 device family the driver needs to stop the dbg + * recording before entering D3. In later devices the FW stops the + * recording automatically. */ - iwl_fw_dbg_stop_recording(&mvm->fwrt); + if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_9000) + iwl_fw_dbg_stop_restart_recording(&mvm->fwrt, NULL, true); /* must be last -- this switches firmware state */ ret = iwl_mvm_send_cmd(mvm, &d3_cfg_cmd); @@ -1061,45 +1150,23 @@ clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); - iwl_trans_d3_suspend(mvm->trans, test, !unified_image); + ret = iwl_trans_d3_suspend(mvm->trans, test, !unified_image); out: if (ret < 0) { iwl_mvm_free_nd(mvm); if (!unified_image) { - iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); if (mvm->fw_restart > 0) { mvm->fw_restart--; ieee80211_restart_hw(mvm->hw); } } + + clear_bit(IWL_MVM_STATUS_IN_D3, &mvm->status); } out_noreset: mutex_unlock(&mvm->mutex); - return ret; -} - -static int iwl_mvm_enter_d0i3_sync(struct iwl_mvm *mvm) -{ - struct iwl_notification_wait wait_d3; - static const u16 d3_notif[] = { D3_CONFIG_CMD }; - int ret; - - iwl_init_notification_wait(&mvm->notif_wait, &wait_d3, - d3_notif, ARRAY_SIZE(d3_notif), - NULL, NULL); - - ret = iwl_mvm_enter_d0i3(mvm->hw->priv); - if (ret) - goto remove_notif; - - ret = iwl_wait_notification(&mvm->notif_wait, &wait_d3, HZ); - WARN_ON_ONCE(ret); - return ret; - -remove_notif: - iwl_remove_notification(&mvm->notif_wait, &wait_d3); return ret; } @@ -1109,8 +1176,6 @@ struct iwl_trans *trans = mvm->trans; int ret; - /* make sure the d0i3 exit work is not pending */ - flush_work(&mvm->d0i3_exit_work); iwl_mvm_pause_tcm(mvm, true); iwl_fw_runtime_suspend(&mvm->fwrt); @@ -1118,25 +1183,6 @@ ret = iwl_trans_suspend(trans); if (ret) return ret; - - if (wowlan->any) { - trans->system_pm_mode = IWL_PLAT_PM_MODE_D0I3; - - if (iwl_mvm_enter_d0i3_on_suspend(mvm)) { - ret = iwl_mvm_enter_d0i3_sync(mvm); - - if (ret) - return ret; - } - - mutex_lock(&mvm->d0i3_suspend_mutex); - __set_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags); - mutex_unlock(&mvm->d0i3_suspend_mutex); - - iwl_trans_d3_suspend(trans, false, false); - - return 0; - } trans->system_pm_mode = IWL_PLAT_PM_MODE_D3; @@ -1320,10 +1366,12 @@ mvmsta = iwl_mvm_sta_from_mac80211(sta); - ptk_pn = rcu_dereference_protected(mvmsta->ptk_pn[key->keyidx], - lockdep_is_held(&mvm->mutex)); - if (WARN_ON(!ptk_pn)) + rcu_read_lock(); + ptk_pn = rcu_dereference(mvmsta->ptk_pn[key->keyidx]); + if (WARN_ON(!ptk_pn)) { + rcu_read_unlock(); return; + } for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { struct ieee80211_key_seq seq = {}; @@ -1335,6 +1383,7 @@ memcpy(ptk_pn->q[i].pn[tid], seq.ccmp.pn, IEEE80211_CCMP_PN_LEN); } + rcu_read_unlock(); } else { for (tid = 0; tid < IWL_NUM_RSC; tid++) { struct ieee80211_key_seq seq = {}; @@ -1364,10 +1413,12 @@ struct ieee80211_key_conf *key, struct iwl_wowlan_status *status) { - union iwl_all_tsc_rsc *rsc = &status->gtk.rsc.all_tsc_rsc; + union iwl_all_tsc_rsc *rsc = &status->gtk[0].rsc.all_tsc_rsc; switch (key->cipher) { case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_GCMP: + case WLAN_CIPHER_SUITE_GCMP_256: iwl_mvm_set_aes_rx_seq(mvm, rsc->aes.multicast_rsc, NULL, key); break; case WLAN_CIPHER_SUITE_TKIP: @@ -1404,6 +1455,8 @@ /* ignore WEP completely, nothing to do */ return; case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_GCMP: + case WLAN_CIPHER_SUITE_GCMP_256: case WLAN_CIPHER_SUITE_TKIP: /* we support these */ break; @@ -1421,13 +1474,16 @@ */ if (sta) { struct ieee80211_key_seq seq = {}; - union iwl_all_tsc_rsc *sc = &data->status->gtk.rsc.all_tsc_rsc; + union iwl_all_tsc_rsc *sc = + &data->status->gtk[0].rsc.all_tsc_rsc; if (data->find_phase) return; switch (key->cipher) { case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_GCMP: + case WLAN_CIPHER_SUITE_GCMP_256: iwl_mvm_set_aes_rx_seq(data->mvm, sc->aes.unicast_rsc, sta, key); atomic64_set(&key->tx_pn, le64_to_cpu(sc->aes.tsc.pn)); @@ -1496,6 +1552,8 @@ ieee80211_iter_keys(mvm->hw, vif, iwl_mvm_d3_update_keys, >kdata); + IWL_DEBUG_WOWLAN(mvm, "num of GTK rekeying %d\n", + le32_to_cpu(status->num_of_gtk_rekeys)); if (status->num_of_gtk_rekeys) { struct ieee80211_key_conf *key; struct { @@ -1503,22 +1561,37 @@ u8 key[32]; } conf = { .conf.cipher = gtkdata.cipher, - .conf.keyidx = status->gtk.key_index, + .conf.keyidx = + iwlmvm_wowlan_gtk_idx(&status->gtk[0]), }; + __be64 replay_ctr; + IWL_DEBUG_WOWLAN(mvm, + "Received from FW GTK cipher %d, key index %d\n", + conf.conf.cipher, conf.conf.keyidx); switch (gtkdata.cipher) { case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_GCMP: + BUILD_BUG_ON(WLAN_KEY_LEN_CCMP != WLAN_KEY_LEN_GCMP); + BUILD_BUG_ON(sizeof(conf.key) < WLAN_KEY_LEN_CCMP); conf.conf.keylen = WLAN_KEY_LEN_CCMP; - memcpy(conf.conf.key, status->gtk.decrypt_key, + memcpy(conf.conf.key, status->gtk[0].key, WLAN_KEY_LEN_CCMP); break; + case WLAN_CIPHER_SUITE_GCMP_256: + BUILD_BUG_ON(sizeof(conf.key) < WLAN_KEY_LEN_GCMP_256); + conf.conf.keylen = WLAN_KEY_LEN_GCMP_256; + memcpy(conf.conf.key, status->gtk[0].key, + WLAN_KEY_LEN_GCMP_256); + break; case WLAN_CIPHER_SUITE_TKIP: + BUILD_BUG_ON(sizeof(conf.key) < WLAN_KEY_LEN_TKIP); conf.conf.keylen = WLAN_KEY_LEN_TKIP; - memcpy(conf.conf.key, status->gtk.decrypt_key, 16); + memcpy(conf.conf.key, status->gtk[0].key, 16); /* leave TX MIC key zeroed, we don't use it anyway */ memcpy(conf.conf.key + NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY, - status->gtk.tkip_mic_key, 8); + status->gtk[0].tkip_mic_key, 8); break; } @@ -1526,11 +1599,10 @@ if (IS_ERR(key)) return false; iwl_mvm_set_key_rx_seq(mvm, key, status); - } - if (status->num_of_gtk_rekeys) { - __be64 replay_ctr = + replay_ctr = cpu_to_be64(le64_to_cpu(status->replay_ctr)); + ieee80211_gtk_rekey_notify(vif, vif->bss_conf.bssid, (void *)&replay_ctr, GFP_KERNEL); } @@ -1543,71 +1615,155 @@ return true; } -static struct iwl_wowlan_status * -iwl_mvm_get_wakeup_status(struct iwl_mvm *mvm, struct ieee80211_vif *vif) +/* Occasionally, templates would be nice. This is one of those times ... */ +#define iwl_mvm_parse_wowlan_status_common(_ver) \ +static struct iwl_wowlan_status * \ +iwl_mvm_parse_wowlan_status_common_ ## _ver(struct iwl_mvm *mvm, \ + void *_data, int len) \ +{ \ + struct iwl_wowlan_status *status; \ + struct iwl_wowlan_status_ ##_ver *data = _data; \ + int data_size; \ + \ + if (len < sizeof(*data)) { \ + IWL_ERR(mvm, "Invalid WoWLAN status response!\n"); \ + return ERR_PTR(-EIO); \ + } \ + \ + data_size = ALIGN(le32_to_cpu(data->wake_packet_bufsize), 4); \ + if (len != sizeof(*data) + data_size) { \ + IWL_ERR(mvm, "Invalid WoWLAN status response!\n"); \ + return ERR_PTR(-EIO); \ + } \ + \ + status = kzalloc(sizeof(*status) + data_size, GFP_KERNEL); \ + if (!status) \ + return ERR_PTR(-ENOMEM); \ + \ + /* copy all the common fields */ \ + status->replay_ctr = data->replay_ctr; \ + status->pattern_number = data->pattern_number; \ + status->non_qos_seq_ctr = data->non_qos_seq_ctr; \ + memcpy(status->qos_seq_ctr, data->qos_seq_ctr, \ + sizeof(status->qos_seq_ctr)); \ + status->wakeup_reasons = data->wakeup_reasons; \ + status->num_of_gtk_rekeys = data->num_of_gtk_rekeys; \ + status->received_beacons = data->received_beacons; \ + status->wake_packet_length = data->wake_packet_length; \ + status->wake_packet_bufsize = data->wake_packet_bufsize; \ + memcpy(status->wake_packet, data->wake_packet, \ + le32_to_cpu(status->wake_packet_bufsize)); \ + \ + return status; \ +} + +iwl_mvm_parse_wowlan_status_common(v6) +iwl_mvm_parse_wowlan_status_common(v7) +iwl_mvm_parse_wowlan_status_common(v9) + +struct iwl_wowlan_status *iwl_mvm_send_wowlan_get_status(struct iwl_mvm *mvm) { - u32 base = mvm->error_event_table[0]; - struct error_table_start { - /* cf. struct iwl_error_event_table */ - u32 valid; - u32 error_id; - } err_info; + struct iwl_wowlan_status *status; struct iwl_host_cmd cmd = { .id = WOWLAN_GET_STATUSES, .flags = CMD_WANT_SKB, }; - struct iwl_wowlan_status *status, *fw_status; - int ret, len, status_size; + int ret, len; + u8 notif_ver; - iwl_trans_read_mem_bytes(mvm->trans, base, - &err_info, sizeof(err_info)); + lockdep_assert_held(&mvm->mutex); - if (err_info.valid) { - IWL_INFO(mvm, "error table is valid (%d) with error (%d)\n", - err_info.valid, err_info.error_id); - if (err_info.error_id == RF_KILL_INDICATOR_FOR_WOWLAN) { - struct cfg80211_wowlan_wakeup wakeup = { - .rfkill_release = true, - }; - ieee80211_report_wowlan_wakeup(vif, &wakeup, - GFP_KERNEL); - } - return ERR_PTR(-EIO); + ret = iwl_mvm_send_cmd(mvm, &cmd); + if (ret) { + IWL_ERR(mvm, "failed to query wakeup status (%d)\n", ret); + return ERR_PTR(ret); } + + len = iwl_rx_packet_payload_len(cmd.resp_pkt); + + /* default to 7 (when we have IWL_UCODE_TLV_API_WOWLAN_KEY_MATERIAL) */ + notif_ver = iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, + WOWLAN_GET_STATUSES, 7); + + if (!fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_WOWLAN_KEY_MATERIAL)) { + struct iwl_wowlan_status_v6 *v6 = (void *)cmd.resp_pkt->data; + + status = iwl_mvm_parse_wowlan_status_common_v6(mvm, + cmd.resp_pkt->data, + len); + if (IS_ERR(status)) + goto out_free_resp; + + BUILD_BUG_ON(sizeof(v6->gtk.decrypt_key) > + sizeof(status->gtk[0].key)); + BUILD_BUG_ON(sizeof(v6->gtk.tkip_mic_key) > + sizeof(status->gtk[0].tkip_mic_key)); + + /* copy GTK info to the right place */ + memcpy(status->gtk[0].key, v6->gtk.decrypt_key, + sizeof(v6->gtk.decrypt_key)); + memcpy(status->gtk[0].tkip_mic_key, v6->gtk.tkip_mic_key, + sizeof(v6->gtk.tkip_mic_key)); + memcpy(&status->gtk[0].rsc, &v6->gtk.rsc, + sizeof(status->gtk[0].rsc)); + + /* hardcode the key length to 16 since v6 only supports 16 */ + status->gtk[0].key_len = 16; + + /* + * The key index only uses 2 bits (values 0 to 3) and + * we always set bit 7 which means this is the + * currently used key. + */ + status->gtk[0].key_flags = v6->gtk.key_index | BIT(7); + } else if (notif_ver == 7) { + struct iwl_wowlan_status_v7 *v7 = (void *)cmd.resp_pkt->data; + + status = iwl_mvm_parse_wowlan_status_common_v7(mvm, + cmd.resp_pkt->data, + len); + if (IS_ERR(status)) + goto out_free_resp; + + status->gtk[0] = v7->gtk[0]; + status->igtk[0] = v7->igtk[0]; + } else if (notif_ver == 9) { + struct iwl_wowlan_status_v9 *v9 = (void *)cmd.resp_pkt->data; + + status = iwl_mvm_parse_wowlan_status_common_v9(mvm, + cmd.resp_pkt->data, + len); + if (IS_ERR(status)) + goto out_free_resp; + + status->gtk[0] = v9->gtk[0]; + status->igtk[0] = v9->igtk[0]; + + status->tid_tear_down = v9->tid_tear_down; + } else { + IWL_ERR(mvm, + "Firmware advertises unknown WoWLAN status response %d!\n", + notif_ver); + status = ERR_PTR(-EIO); + } + +out_free_resp: + iwl_free_resp(&cmd); + return status; +} + +static struct iwl_wowlan_status * +iwl_mvm_get_wakeup_status(struct iwl_mvm *mvm) +{ + int ret; /* only for tracing for now */ ret = iwl_mvm_send_cmd_pdu(mvm, OFFLOADS_QUERY_CMD, 0, 0, NULL); if (ret) IWL_ERR(mvm, "failed to query offload statistics (%d)\n", ret); - ret = iwl_mvm_send_cmd(mvm, &cmd); - if (ret) { - IWL_ERR(mvm, "failed to query status (%d)\n", ret); - return ERR_PTR(ret); - } - - status_size = sizeof(*fw_status); - - len = iwl_rx_packet_payload_len(cmd.resp_pkt); - if (len < status_size) { - IWL_ERR(mvm, "Invalid WoWLAN status response!\n"); - fw_status = ERR_PTR(-EIO); - goto out_free_resp; - } - - status = (void *)cmd.resp_pkt->data; - if (len != (status_size + - ALIGN(le32_to_cpu(status->wake_packet_bufsize), 4))) { - IWL_ERR(mvm, "Invalid WoWLAN status response!\n"); - fw_status = ERR_PTR(-EIO); - goto out_free_resp; - } - - fw_status = kmemdup(status, len, GFP_KERNEL); - -out_free_resp: - iwl_free_resp(&cmd); - return fw_status; + return iwl_mvm_send_wowlan_get_status(mvm); } /* releases the MVM mutex */ @@ -1620,9 +1776,12 @@ bool keep; struct iwl_mvm_sta *mvm_ap_sta; - fw_status = iwl_mvm_get_wakeup_status(mvm, vif); + fw_status = iwl_mvm_get_wakeup_status(mvm); if (IS_ERR_OR_NULL(fw_status)) goto out_unlock; + + IWL_DEBUG_WOWLAN(mvm, "wakeup reason 0x%x\n", + le32_to_cpu(fw_status->wakeup_reasons)); status.pattern_number = le16_to_cpu(fw_status->pattern_number); for (i = 0; i < 8; i++) @@ -1647,6 +1806,13 @@ mvm_ap_sta->tid_data[i].seq_number = seq; } + if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000) { + i = mvm->offload_tid; + iwl_trans_set_q_ptrs(mvm->trans, + mvm_ap_sta->tid_data[i].txq_id, + mvm_ap_sta->tid_data[i].seq_number >> 4); + } + /* now we have all the data we need, unlock to avoid mac80211 issues */ mutex_unlock(&mvm->mutex); @@ -1664,33 +1830,12 @@ return false; } -void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - struct iwl_wowlan_status *status) -{ - struct iwl_mvm_d3_gtk_iter_data gtkdata = { - .mvm = mvm, - .status = status, - }; - - /* - * rekey handling requires taking locks that can't be taken now. - * however, d0i3 doesn't offload rekey, so we're fine. - */ - if (WARN_ON_ONCE(status->num_of_gtk_rekeys)) - return; - - /* find last GTK that we used initially, if any */ - gtkdata.find_phase = true; - iwl_mvm_iter_d0i3_ap_keys(mvm, vif, iwl_mvm_d3_update_keys, >kdata); - - gtkdata.find_phase = false; - iwl_mvm_iter_d0i3_ap_keys(mvm, vif, iwl_mvm_d3_update_keys, >kdata); -} +#define ND_QUERY_BUF_LEN (sizeof(struct iwl_scan_offload_profile_match) * \ + IWL_SCAN_MAX_PROFILES) struct iwl_mvm_nd_query_results { u32 matched_profiles; - struct iwl_scan_offload_profile_match matches[IWL_SCAN_MAX_PROFILES]; + u8 matches[ND_QUERY_BUF_LEN]; }; static int @@ -1703,6 +1848,8 @@ .flags = CMD_WANT_SKB, }; int ret, len; + size_t query_len, matches_len; + int max_profiles = iwl_umac_scan_get_max_profiles(mvm->fw); ret = iwl_mvm_send_cmd(mvm, &cmd); if (ret) { @@ -1710,8 +1857,19 @@ return ret; } + if (fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_SCAN_OFFLOAD_CHANS)) { + query_len = sizeof(struct iwl_scan_offload_profiles_query); + matches_len = sizeof(struct iwl_scan_offload_profile_match) * + max_profiles; + } else { + query_len = sizeof(struct iwl_scan_offload_profiles_query_v1); + matches_len = sizeof(struct iwl_scan_offload_profile_match_v1) * + max_profiles; + } + len = iwl_rx_packet_payload_len(cmd.resp_pkt); - if (len < sizeof(*query)) { + if (len < query_len) { IWL_ERR(mvm, "Invalid scan offload profiles query response!\n"); ret = -EIO; goto out_free_resp; @@ -1720,7 +1878,7 @@ query = (void *)cmd.resp_pkt->data; results->matched_profiles = le32_to_cpu(query->matched_profiles); - memcpy(results->matches, query->matches, sizeof(results->matches)); + memcpy(results->matches, query->matches, matches_len); #ifdef CONFIG_IWLWIFI_DEBUGFS mvm->last_netdetect_scans = le32_to_cpu(query->n_scans_done); @@ -1729,6 +1887,57 @@ out_free_resp: iwl_free_resp(&cmd); return ret; +} + +static int iwl_mvm_query_num_match_chans(struct iwl_mvm *mvm, + struct iwl_mvm_nd_query_results *query, + int idx) +{ + int n_chans = 0, i; + + if (fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_SCAN_OFFLOAD_CHANS)) { + struct iwl_scan_offload_profile_match *matches = + (struct iwl_scan_offload_profile_match *)query->matches; + + for (i = 0; i < SCAN_OFFLOAD_MATCHING_CHANNELS_LEN; i++) + n_chans += hweight8(matches[idx].matching_channels[i]); + } else { + struct iwl_scan_offload_profile_match_v1 *matches = + (struct iwl_scan_offload_profile_match_v1 *)query->matches; + + for (i = 0; i < SCAN_OFFLOAD_MATCHING_CHANNELS_LEN_V1; i++) + n_chans += hweight8(matches[idx].matching_channels[i]); + } + + return n_chans; +} + +static void iwl_mvm_query_set_freqs(struct iwl_mvm *mvm, + struct iwl_mvm_nd_query_results *query, + struct cfg80211_wowlan_nd_match *match, + int idx) +{ + int i; + + if (fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_SCAN_OFFLOAD_CHANS)) { + struct iwl_scan_offload_profile_match *matches = + (struct iwl_scan_offload_profile_match *)query->matches; + + for (i = 0; i < SCAN_OFFLOAD_MATCHING_CHANNELS_LEN * 8; i++) + if (matches[idx].matching_channels[i / 8] & (BIT(i % 8))) + match->channels[match->n_channels++] = + mvm->nd_channels[i]->center_freq; + } else { + struct iwl_scan_offload_profile_match_v1 *matches = + (struct iwl_scan_offload_profile_match_v1 *)query->matches; + + for (i = 0; i < SCAN_OFFLOAD_MATCHING_CHANNELS_LEN_V1 * 8; i++) + if (matches[idx].matching_channels[i / 8] & (BIT(i % 8))) + match->channels[match->n_channels++] = + mvm->nd_channels[i]->center_freq; + } } static void iwl_mvm_query_netdetect_reasons(struct iwl_mvm *mvm, @@ -1743,9 +1952,9 @@ struct iwl_wowlan_status *fw_status; unsigned long matched_profiles; u32 reasons = 0; - int i, j, n_matches, ret; + int i, n_matches, ret; - fw_status = iwl_mvm_get_wakeup_status(mvm, vif); + fw_status = iwl_mvm_get_wakeup_status(mvm); if (!IS_ERR_OR_NULL(fw_status)) { reasons = le32_to_cpu(fw_status->wakeup_reasons); kfree(fw_status); @@ -1771,24 +1980,18 @@ n_matches = 0; } - net_detect = kzalloc(sizeof(*net_detect) + - (n_matches * sizeof(net_detect->matches[0])), + net_detect = kzalloc(struct_size(net_detect, matches, n_matches), GFP_KERNEL); if (!net_detect || !n_matches) goto out_report_nd; for_each_set_bit(i, &matched_profiles, mvm->n_nd_match_sets) { - struct iwl_scan_offload_profile_match *fw_match; struct cfg80211_wowlan_nd_match *match; int idx, n_channels = 0; - fw_match = &query.matches[i]; + n_channels = iwl_mvm_query_num_match_chans(mvm, &query, i); - for (j = 0; j < SCAN_OFFLOAD_MATCHING_CHANNELS_LEN; j++) - n_channels += hweight8(fw_match->matching_channels[j]); - - match = kzalloc(sizeof(*match) + - (n_channels * sizeof(*match->channels)), + match = kzalloc(struct_size(match, channels, n_channels), GFP_KERNEL); if (!match) goto out_report_nd; @@ -1806,10 +2009,7 @@ if (mvm->n_nd_channels < n_channels) continue; - for (j = 0; j < SCAN_OFFLOAD_MATCHING_CHANNELS_LEN * 8; j++) - if (fw_match->matching_channels[j / 8] & (BIT(j % 8))) - match->channels[match->n_channels++] = - mvm->nd_channels[j]->center_freq; + iwl_mvm_query_set_freqs(mvm, &query, match, i); } out_report_nd: @@ -1827,26 +2027,6 @@ } } -static void iwl_mvm_read_d3_sram(struct iwl_mvm *mvm) -{ -#ifdef CONFIG_IWLWIFI_DEBUGFS - const struct fw_img *img = &mvm->fw->img[IWL_UCODE_WOWLAN]; - u32 len = img->sec[IWL_UCODE_SECTION_DATA].len; - u32 offs = img->sec[IWL_UCODE_SECTION_DATA].offset; - - if (!mvm->store_d3_resume_sram) - return; - - if (!mvm->d3_resume_sram) { - mvm->d3_resume_sram = kzalloc(len, GFP_KERNEL); - if (!mvm->d3_resume_sram) - return; - } - - iwl_trans_read_mem_bytes(mvm->trans, offs, mvm->d3_resume_sram, len); -#endif -} - static void iwl_mvm_d3_disconnect_iter(void *data, u8 *mac, struct ieee80211_vif *vif) { @@ -1856,6 +2036,57 @@ if (vif->type == NL80211_IFTYPE_STATION) ieee80211_resume_disconnect(vif); +} + +static bool iwl_mvm_rt_status(struct iwl_trans *trans, u32 base, u32 *err_id) +{ + struct error_table_start { + /* cf. struct iwl_error_event_table */ + u32 valid; + __le32 err_id; + } err_info; + + if (!base) + return false; + + iwl_trans_read_mem_bytes(trans, base, + &err_info, sizeof(err_info)); + if (err_info.valid && err_id) + *err_id = le32_to_cpu(err_info.err_id); + + return !!err_info.valid; +} + +static bool iwl_mvm_check_rt_status(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + u32 err_id; + + /* check for lmac1 error */ + if (iwl_mvm_rt_status(mvm->trans, + mvm->trans->dbg.lmac_error_event_table[0], + &err_id)) { + if (err_id == RF_KILL_INDICATOR_FOR_WOWLAN) { + struct cfg80211_wowlan_wakeup wakeup = { + .rfkill_release = true, + }; + ieee80211_report_wowlan_wakeup(vif, &wakeup, + GFP_KERNEL); + } + return true; + } + + /* check if we have lmac2 set and check for error */ + if (iwl_mvm_rt_status(mvm->trans, + mvm->trans->dbg.lmac_error_event_table[1], NULL)) + return true; + + /* check for umac error */ + if (iwl_mvm_rt_status(mvm->trans, + mvm->trans->dbg.umac_error_event_table, NULL)) + return true; + + return false; } static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test) @@ -1871,10 +2102,28 @@ mutex_lock(&mvm->mutex); + clear_bit(IWL_MVM_STATUS_IN_D3, &mvm->status); + /* get the BSS vif pointer again */ vif = iwl_mvm_get_bss_vif(mvm); if (IS_ERR_OR_NULL(vif)) goto err; + + iwl_fw_dbg_read_d3_debug_data(&mvm->fwrt); + + if (iwl_mvm_check_rt_status(mvm, vif)) { + set_bit(STATUS_FW_ERROR, &mvm->trans->status); + iwl_mvm_dump_nic_error_log(mvm); + iwl_dbg_tlv_time_point(&mvm->fwrt, + IWL_FW_INI_TIME_POINT_FW_ASSERT, NULL); + iwl_fw_dbg_collect_desc(&mvm->fwrt, &iwl_dump_desc_assert, + false, 0); + ret = 1; + goto err; + } + + iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_HOST_D3_END, + NULL); ret = iwl_trans_d3_resume(mvm->trans, &d3_status, test, !unified_image); if (ret) @@ -1885,15 +2134,39 @@ goto err; } - /* query SRAM first in case we want event logging */ - iwl_mvm_read_d3_sram(mvm); - if (d0i3_first) { - ret = iwl_mvm_send_cmd_pdu(mvm, D0I3_END_CMD, 0, 0, NULL); + struct iwl_host_cmd cmd = { + .id = D0I3_END_CMD, + .flags = CMD_WANT_SKB, + }; + int len; + + ret = iwl_mvm_send_cmd(mvm, &cmd); if (ret < 0) { IWL_ERR(mvm, "Failed to send D0I3_END_CMD first (%d)\n", ret); goto err; + } + switch (mvm->cmd_ver.d0i3_resp) { + case 0: + break; + case 1: + len = iwl_rx_packet_payload_len(cmd.resp_pkt); + if (len != sizeof(u32)) { + IWL_ERR(mvm, + "Error with D0I3_END_CMD response size (%d)\n", + len); + goto err; + } + if (IWL_D0I3_RESET_REQUIRE & + le32_to_cpu(*(__le32 *)cmd.resp_pkt->data)) { + iwl_write32(mvm->trans, CSR_RESET, + CSR_RESET_REG_FLAG_FORCE_NMI); + iwl_free_resp(&cmd); + } + break; + default: + WARN_ON(1); } } @@ -1902,6 +2175,9 @@ * can play it back when we re-intiailize the D0 firmware */ iwl_mvm_update_changed_regdom(mvm); + + /* Re-configure PPAG settings */ + iwl_mvm_ppag_send_cmd(mvm); if (!unified_image) /* Re-configure default SAR profile */ @@ -1959,15 +2235,6 @@ * 2. We are using a unified image but had an error while exiting D3 */ set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); - set_bit(IWL_MVM_STATUS_D3_RECONFIG, &mvm->status); - /* - * When switching images we return 1, which causes mac80211 - * to do a reconfig with IEEE80211_RECONFIG_TYPE_RESTART. - * This type of reconfig calls iwl_mvm_restart_complete(), - * where we unref the IWL_MVM_REF_UCODE_DOWN, so we need - * to take the reference here. - */ - iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); return 1; } @@ -1979,53 +2246,12 @@ return __iwl_mvm_resume(mvm, false); } -static int iwl_mvm_resume_d0i3(struct iwl_mvm *mvm) -{ - bool exit_now; - enum iwl_d3_status d3_status; - struct iwl_trans *trans = mvm->trans; - - iwl_trans_d3_resume(trans, &d3_status, false, false); - - /* - * make sure to clear D0I3_DEFER_WAKEUP before - * calling iwl_trans_resume(), which might wait - * for d0i3 exit completion. - */ - mutex_lock(&mvm->d0i3_suspend_mutex); - __clear_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags); - exit_now = __test_and_clear_bit(D0I3_PENDING_WAKEUP, - &mvm->d0i3_suspend_flags); - mutex_unlock(&mvm->d0i3_suspend_mutex); - if (exit_now) { - IWL_DEBUG_RPM(mvm, "Run deferred d0i3 exit\n"); - _iwl_mvm_exit_d0i3(mvm); - } - - iwl_trans_resume(trans); - - if (iwl_mvm_enter_d0i3_on_suspend(mvm)) { - int ret = iwl_mvm_exit_d0i3(mvm->hw->priv); - - if (ret) - return ret; - /* - * d0i3 exit will be deferred until reconfig_complete. - * make sure there we are out of d0i3. - */ - } - return 0; -} - int iwl_mvm_resume(struct ieee80211_hw *hw) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); int ret; - if (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3) - ret = iwl_mvm_resume_d0i3(mvm); - else - ret = iwl_mvm_resume_d3(mvm); + ret = iwl_mvm_resume_d3(mvm); mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_DISABLED; @@ -2054,7 +2280,6 @@ file->private_data = inode->i_private; - ieee80211_stop_queues(mvm->hw); synchronize_net(); mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_D3; @@ -2069,10 +2294,9 @@ rtnl_unlock(); if (err > 0) err = -EINVAL; - if (err) { - ieee80211_wake_queues(mvm->hw); + if (err) return err; - } + mvm->d3_test_active = true; mvm->keep_vif = NULL; return 0; @@ -2119,6 +2343,8 @@ mvm->d3_test_active = false; + iwl_fw_dbg_read_d3_debug_data(&mvm->fwrt); + rtnl_lock(); __iwl_mvm_resume(mvm, true); rtnl_unlock(); @@ -2149,8 +2375,6 @@ ieee80211_iterate_active_interfaces_atomic( mvm->hw, IEEE80211_IFACE_ITER_NORMAL, iwl_mvm_d3_test_disconn_work_iter, mvm->keep_vif); - - ieee80211_wake_queues(mvm->hw); return 0; } -- Gitblit v1.6.2