diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/d3.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/d3.c | 3012 |
1 files changed, 2039 insertions, 973 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c index 01b5338201d6..07f1a84c274e 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c @@ -1,67 +1,9 @@ -/****************************************************************************** - * - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * 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 - * - * 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 - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * The full GNU General Public License is included in this distribution - * in the file called COPYING. - * - * Contact Information: - * Intel Linux Wireless <linuxwifi@intel.com> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * - * BSD LICENSE - * - * 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. - * - *****************************************************************************/ - +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +/* + * Copyright (C) 2012-2014, 2018-2025 Intel Corporation + * Copyright (C) 2013-2015 Intel Mobile Communications GmbH + * Copyright (C) 2016-2017 Intel Deutschland GmbH + */ #include <linux/etherdevice.h> #include <linux/ip.h> #include <linux/fs.h> @@ -72,6 +14,7 @@ #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, @@ -80,15 +23,15 @@ void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw, 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)); + cpu_to_le64(be64_to_cpup((const __be64 *)data->replay_ctr)); mvmvif->rekey_data.valid = true; mutex_unlock(&mvm->mutex); @@ -158,10 +101,8 @@ static const u8 *iwl_mvm_find_max_pn(struct ieee80211_key_conf *key, return ret; } -struct wowlan_key_data { - struct iwl_wowlan_rsc_tsc_params_cmd *rsc_tsc; - struct iwl_wowlan_tkip_params_cmd *tkip; - bool error, use_rsc_tsc, use_tkip, configure_keys; +struct wowlan_key_reprogram_data { + bool error; int wep_key_idx; }; @@ -173,32 +114,23 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - struct wowlan_key_data *data = _data; - struct aes_sc *aes_sc, *aes_tx_sc = NULL; - struct tkip_sc *tkip_sc, *tkip_tx_sc = NULL; - struct iwl_p1k_cache *rx_p1ks; - u8 *rx_mic_key; - struct ieee80211_key_seq seq; - u32 cur_rx_iv32 = 0; - u16 p1k[IWL_P1K_SIZE]; - int ret, i; + struct wowlan_key_reprogram_data *data = _data; + int ret; switch (key->cipher) { case WLAN_CIPHER_SUITE_WEP40: case WLAN_CIPHER_SUITE_WEP104: { /* hack it for now */ - struct { - struct iwl_mvm_wep_key_cmd wep_key_cmd; - struct iwl_mvm_wep_key wep_key; - } __packed wkc = { - .wep_key_cmd.mac_id_n_color = - cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, - mvmvif->color)), - .wep_key_cmd.num_keys = 1, - /* firmware sets STA_KEY_FLG_WEP_13BYTES */ - .wep_key_cmd.decryption_type = STA_KEY_FLG_WEP, - .wep_key.key_index = key->keyidx, - .wep_key.key_size = key->keylen, - }; + DEFINE_RAW_FLEX(struct iwl_mvm_wep_key_cmd, wkc, wep_key, 1); + struct iwl_mvm_wep_key *wep_key = wkc->wep_key; + + wkc->mac_id_n_color = + cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, + mvmvif->color)); + wkc->num_keys = 1; + /* firmware sets STA_KEY_FLG_WEP_13BYTES */ + wkc->decryption_type = STA_KEY_FLG_WEP; + wep_key->key_index = key->keyidx; + wep_key->key_size = key->keylen; /* * This will fail -- the key functions don't set support @@ -208,28 +140,26 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) break; - memcpy(&wkc.wep_key.key[3], key->key, key->keylen); + memcpy(&wep_key->key[3], key->key, key->keylen); if (key->keyidx == mvmvif->tx_key_idx) { /* TX key must be at offset 0 */ - wkc.wep_key.key_offset = 0; + wep_key->key_offset = 0; } else { /* others start at 1 */ data->wep_key_idx++; - wkc.wep_key.key_offset = data->wep_key_idx; + wep_key->key_offset = data->wep_key_idx; } - if (data->configure_keys) { - mutex_lock(&mvm->mutex); - ret = iwl_mvm_send_cmd_pdu(mvm, WEP_KEY, 0, - sizeof(wkc), &wkc); - data->error = ret != 0; - - mvm->ptk_ivlen = key->iv_len; - mvm->ptk_icvlen = key->icv_len; - mvm->gtk_ivlen = key->iv_len; - mvm->gtk_icvlen = key->icv_len; - mutex_unlock(&mvm->mutex); - } + mutex_lock(&mvm->mutex); + ret = iwl_mvm_send_cmd_pdu(mvm, WEP_KEY, 0, + __struct_size(wkc), wkc); + data->error = ret != 0; + + mvm->ptk_ivlen = key->iv_len; + mvm->ptk_icvlen = key->icv_len; + mvm->gtk_ivlen = key->iv_len; + mvm->gtk_icvlen = key->icv_len; + mutex_unlock(&mvm->mutex); /* don't upload key again */ return; @@ -237,6 +167,9 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, default: data->error = true; return; + case WLAN_CIPHER_SUITE_BIP_GMAC_256: + case WLAN_CIPHER_SUITE_BIP_GMAC_128: + return; case WLAN_CIPHER_SUITE_AES_CMAC: /* * Ignore CMAC keys -- the WoWLAN firmware doesn't support them @@ -247,73 +180,104 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, */ return; case WLAN_CIPHER_SUITE_TKIP: + case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_GCMP: + case WLAN_CIPHER_SUITE_GCMP_256: + break; + } + + mutex_lock(&mvm->mutex); + /* + * The D3 firmware hardcodes the key offset 0 as the key it + * uses to transmit packets to the AP, i.e. the PTK. + */ + if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { + mvm->ptk_ivlen = key->iv_len; + mvm->ptk_icvlen = key->icv_len; + ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, 0); + } else { + /* + * firmware only supports TSC/RSC for a single key, + * so if there are multiple keep overwriting them + * with new ones -- this relies on mac80211 doing + * list_add_tail(). + */ + mvm->gtk_ivlen = key->iv_len; + mvm->gtk_icvlen = key->icv_len; + ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, 1); + } + mutex_unlock(&mvm->mutex); + data->error = ret != 0; +} + +struct wowlan_key_rsc_tsc_data { + struct iwl_wowlan_rsc_tsc_params_cmd_ver_2 *rsc_tsc; + bool have_rsc_tsc; +}; + +static void iwl_mvm_wowlan_get_rsc_tsc_data(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key, + void *_data) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct wowlan_key_rsc_tsc_data *data = _data; + struct aes_sc *aes_sc; + struct tkip_sc *tkip_sc, *tkip_tx_sc = NULL; + struct ieee80211_key_seq seq; + int i; + + switch (key->cipher) { + default: + break; + case WLAN_CIPHER_SUITE_TKIP: 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; - - rx_p1ks = data->tkip->rx_uni; + tkip_sc = + data->rsc_tsc->all_tsc_rsc.tkip.unicast_rsc; + tkip_tx_sc = + &data->rsc_tsc->all_tsc_rsc.tkip.tsc; pn64 = atomic64_read(&key->tx_pn); tkip_tx_sc->iv16 = cpu_to_le16(TKIP_PN_TO_IV16(pn64)); tkip_tx_sc->iv32 = cpu_to_le32(TKIP_PN_TO_IV32(pn64)); - - ieee80211_get_tkip_p1k_iv(key, TKIP_PN_TO_IV32(pn64), - p1k); - iwl_mvm_convert_p1k(p1k, data->tkip->tx.p1k); - - memcpy(data->tkip->mic_keys.tx, - &key->key[NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY], - IWL_MIC_KEY_SIZE); - - rx_mic_key = data->tkip->mic_keys.rx_unicast; } else { tkip_sc = - data->rsc_tsc->all_tsc_rsc.tkip.multicast_rsc; - rx_p1ks = data->tkip->rx_multi; - rx_mic_key = data->tkip->mic_keys.rx_mcast; + data->rsc_tsc->all_tsc_rsc.tkip.multicast_rsc; } /* * For non-QoS this relies on the fact that both the uCode and - * mac80211 use TID 0 (as they need to to avoid replay attacks) + * mac80211 use TID 0 (as they need to avoid replay attacks) * for checking the IV in the frames. */ for (i = 0; i < IWL_NUM_RSC; i++) { ieee80211_get_key_rx_seq(key, i, &seq); tkip_sc[i].iv16 = cpu_to_le16(seq.tkip.iv16); tkip_sc[i].iv32 = cpu_to_le32(seq.tkip.iv32); - /* wrapping isn't allowed, AP must rekey */ - if (seq.tkip.iv32 > cur_rx_iv32) - cur_rx_iv32 = seq.tkip.iv32; } - ieee80211_get_tkip_rx_p1k(key, vif->bss_conf.bssid, - cur_rx_iv32, p1k); - iwl_mvm_convert_p1k(p1k, rx_p1ks[0].p1k); - ieee80211_get_tkip_rx_p1k(key, vif->bss_conf.bssid, - cur_rx_iv32 + 1, p1k); - iwl_mvm_convert_p1k(p1k, rx_p1ks[1].p1k); - - memcpy(rx_mic_key, - &key->key[NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY], - IWL_MIC_KEY_SIZE); - - data->use_tkip = true; - data->use_rsc_tsc = true; + data->have_rsc_tsc = true; break; case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_GCMP: + case WLAN_CIPHER_SUITE_GCMP_256: if (sta) { + struct aes_sc *aes_tx_sc; 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->all_tsc_rsc.aes.unicast_rsc; + aes_tx_sc = + &data->rsc_tsc->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->all_tsc_rsc.aes.multicast_rsc; } /* @@ -326,15 +290,16 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, 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, - mvm->trans->num_rx_queues); + mvm->trans->info.num_rxqs); aes_sc[i].pn = cpu_to_le64((u64)pn[5] | ((u64)pn[4] << 8) | ((u64)pn[3] << 16) | @@ -342,6 +307,8 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, ((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; @@ -355,40 +322,312 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, ((u64)pn[0] << 40)); } } - data->use_rsc_tsc = true; + data->have_rsc_tsc = true; break; } +} - if (data->configure_keys) { - mutex_lock(&mvm->mutex); +struct wowlan_key_rsc_v5_data { + struct iwl_wowlan_rsc_tsc_params_cmd *rsc; + bool have_rsc; + int gtks; + int gtk_ids[4]; +}; + +static void iwl_mvm_wowlan_get_rsc_v5_data(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key, + void *_data) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct wowlan_key_rsc_v5_data *data = _data; + struct ieee80211_key_seq seq; + __le64 *rsc; + int i; + + /* only for ciphers that can be PTK/GTK */ + switch (key->cipher) { + default: + return; + case WLAN_CIPHER_SUITE_TKIP: + case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_GCMP: + case WLAN_CIPHER_SUITE_GCMP_256: + break; + } + + if (sta) { + rsc = data->rsc->ucast_rsc; + } else { + if (WARN_ON(data->gtks >= ARRAY_SIZE(data->gtk_ids))) + return; + data->gtk_ids[data->gtks] = key->keyidx; + rsc = data->rsc->mcast_rsc[data->gtks % 2]; + if (WARN_ON(key->keyidx >= + ARRAY_SIZE(data->rsc->mcast_key_id_map))) + return; + data->rsc->mcast_key_id_map[key->keyidx] = data->gtks % 2; + if (data->gtks >= 2) { + int prev = data->gtks - 2; + int prev_idx = data->gtk_ids[prev]; + + data->rsc->mcast_key_id_map[prev_idx] = + IWL_MCAST_KEY_MAP_INVALID; + } + data->gtks++; + } + + switch (key->cipher) { + default: + WARN_ON(1); + break; + case WLAN_CIPHER_SUITE_TKIP: + + /* + * For non-QoS this relies on the fact that both the uCode and + * mac80211 use TID 0 (as they need to avoid replay attacks) + * for checking the IV in the frames. + */ + for (i = 0; i < IWL_MAX_TID_COUNT; i++) { + ieee80211_get_key_rx_seq(key, i, &seq); + + rsc[i] = cpu_to_le64(((u64)seq.tkip.iv32 << 16) | + seq.tkip.iv16); + } + + data->have_rsc = true; + break; + case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_GCMP: + case WLAN_CIPHER_SUITE_GCMP_256: /* - * The D3 firmware hardcodes the key offset 0 as the key it - * uses to transmit packets to the AP, i.e. the PTK. + * For non-QoS this relies on the fact that both the uCode and + * mac80211/our RX code use TID 0 for checking the PN. */ - if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { - mvm->ptk_ivlen = key->iv_len; - mvm->ptk_icvlen = key->icv_len; - ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, 0); + if (sta) { + struct iwl_mvm_sta *mvmsta; + struct iwl_mvm_key_pn *ptk_pn; + const u8 *pn; + + mvmsta = iwl_mvm_sta_from_mac80211(sta); + 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, + mvm->trans->info.num_rxqs); + rsc[i] = cpu_to_le64((u64)pn[5] | + ((u64)pn[4] << 8) | + ((u64)pn[3] << 16) | + ((u64)pn[2] << 24) | + ((u64)pn[1] << 32) | + ((u64)pn[0] << 40)); + } + + rcu_read_unlock(); } else { - /* - * firmware only supports TSC/RSC for a single key, - * so if there are multiple keep overwriting them - * with new ones -- this relies on mac80211 doing - * list_add_tail(). - */ - mvm->gtk_ivlen = key->iv_len; - mvm->gtk_icvlen = key->icv_len; - ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, 1); + for (i = 0; i < IWL_MAX_TID_COUNT; i++) { + u8 *pn = seq.ccmp.pn; + + ieee80211_get_key_rx_seq(key, i, &seq); + rsc[i] = cpu_to_le64((u64)pn[5] | + ((u64)pn[4] << 8) | + ((u64)pn[3] << 16) | + ((u64)pn[2] << 24) | + ((u64)pn[1] << 32) | + ((u64)pn[0] << 40)); + } } - mutex_unlock(&mvm->mutex); - data->error = ret != 0; + data->have_rsc = true; + break; } } -static int iwl_mvm_send_patterns(struct iwl_mvm *mvm, - struct cfg80211_wowlan *wowlan) +static int iwl_mvm_wowlan_config_rsc_tsc(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct iwl_mvm_vif_link_info *mvm_link) { - struct iwl_wowlan_patterns_cmd *pattern_cmd; + int ver = iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_TSC_RSC_PARAM, + IWL_FW_CMD_VER_UNKNOWN); + int ret; + + if (ver == 5) { + struct wowlan_key_rsc_v5_data data = {}; + int i; + + data.rsc = kzalloc(sizeof(*data.rsc), GFP_KERNEL); + if (!data.rsc) + return -ENOMEM; + + for (i = 0; i < ARRAY_SIZE(data.rsc->mcast_key_id_map); i++) + data.rsc->mcast_key_id_map[i] = + IWL_MCAST_KEY_MAP_INVALID; + data.rsc->sta_id = cpu_to_le32(mvm_link->ap_sta_id); + + ieee80211_iter_keys(mvm->hw, vif, + iwl_mvm_wowlan_get_rsc_v5_data, + &data); + + if (data.have_rsc) + ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_TSC_RSC_PARAM, + CMD_ASYNC, sizeof(*data.rsc), + data.rsc); + else + ret = 0; + kfree(data.rsc); + } else if (ver == 2 || ver == IWL_FW_CMD_VER_UNKNOWN) { + struct wowlan_key_rsc_tsc_data data = {}; + + data.rsc_tsc = kzalloc(sizeof(*data.rsc_tsc), GFP_KERNEL); + if (!data.rsc_tsc) + return -ENOMEM; + + ieee80211_iter_keys(mvm->hw, vif, + iwl_mvm_wowlan_get_rsc_tsc_data, + &data); + + if (data.have_rsc_tsc) + ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_TSC_RSC_PARAM, + CMD_ASYNC, + sizeof(*data.rsc_tsc), + data.rsc_tsc); + else + ret = 0; + kfree(data.rsc_tsc); + } else { + ret = 0; + WARN_ON_ONCE(1); + } + + return ret; +} + +struct wowlan_key_tkip_data { + struct iwl_wowlan_tkip_params_cmd tkip; + bool have_tkip_keys; +}; + +static void iwl_mvm_wowlan_get_tkip_data(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key, + void *_data) +{ + struct wowlan_key_tkip_data *data = _data; + struct iwl_p1k_cache *rx_p1ks; + u8 *rx_mic_key; + struct ieee80211_key_seq seq; + u32 cur_rx_iv32 = 0; + u16 p1k[IWL_P1K_SIZE]; + int i; + + switch (key->cipher) { + default: + break; + case WLAN_CIPHER_SUITE_TKIP: + if (sta) { + u64 pn64; + + rx_p1ks = data->tkip.rx_uni; + + pn64 = atomic64_read(&key->tx_pn); + + ieee80211_get_tkip_p1k_iv(key, TKIP_PN_TO_IV32(pn64), + p1k); + iwl_mvm_convert_p1k(p1k, data->tkip.tx.p1k); + + memcpy(data->tkip.mic_keys.tx, + &key->key[NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY], + IWL_MIC_KEY_SIZE); + + rx_mic_key = data->tkip.mic_keys.rx_unicast; + } else { + rx_p1ks = data->tkip.rx_multi; + rx_mic_key = data->tkip.mic_keys.rx_mcast; + } + + for (i = 0; i < IWL_NUM_RSC; i++) { + ieee80211_get_key_rx_seq(key, i, &seq); + /* wrapping isn't allowed, AP must rekey */ + if (seq.tkip.iv32 > cur_rx_iv32) + cur_rx_iv32 = seq.tkip.iv32; + } + + ieee80211_get_tkip_rx_p1k(key, vif->bss_conf.bssid, + cur_rx_iv32, p1k); + iwl_mvm_convert_p1k(p1k, rx_p1ks[0].p1k); + ieee80211_get_tkip_rx_p1k(key, vif->bss_conf.bssid, + cur_rx_iv32 + 1, p1k); + iwl_mvm_convert_p1k(p1k, rx_p1ks[1].p1k); + + memcpy(rx_mic_key, + &key->key[NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY], + IWL_MIC_KEY_SIZE); + + data->have_tkip_keys = true; + break; + } +} + +struct wowlan_key_gtk_type_iter { + struct iwl_wowlan_kek_kck_material_cmd_v4 *kek_kck_cmd; +}; + +static void iwl_mvm_wowlan_gtk_type_iter(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key, + void *_data) +{ + struct wowlan_key_gtk_type_iter *data = _data; + __le32 *cipher = NULL; + + if (key->keyidx == 4 || key->keyidx == 5) + cipher = &data->kek_kck_cmd->igtk_cipher; + if (key->keyidx == 6 || key->keyidx == 7) + cipher = &data->kek_kck_cmd->bigtk_cipher; + + switch (key->cipher) { + default: + return; + case WLAN_CIPHER_SUITE_TKIP: + if (!sta) + data->kek_kck_cmd->gtk_cipher = + cpu_to_le32(STA_KEY_FLG_TKIP); + return; + case WLAN_CIPHER_SUITE_BIP_GMAC_256: + case WLAN_CIPHER_SUITE_BIP_GMAC_128: + if (cipher) + *cipher = cpu_to_le32(STA_KEY_FLG_GCMP); + return; + case WLAN_CIPHER_SUITE_AES_CMAC: + case WLAN_CIPHER_SUITE_BIP_CMAC_256: + if (cipher) + *cipher = cpu_to_le32(STA_KEY_FLG_CCM); + return; + case WLAN_CIPHER_SUITE_CCMP: + if (!sta) + data->kek_kck_cmd->gtk_cipher = + cpu_to_le32(STA_KEY_FLG_CCM); + return; + case WLAN_CIPHER_SUITE_GCMP: + case WLAN_CIPHER_SUITE_GCMP_256: + if (!sta) + data->kek_kck_cmd->gtk_cipher = + cpu_to_le32(STA_KEY_FLG_GCMP); + return; + } +} + +static int iwl_mvm_send_patterns_v1(struct iwl_mvm *mvm, + struct cfg80211_wowlan *wowlan) +{ + struct iwl_wowlan_patterns_cmd_v1 *pattern_cmd; struct iwl_host_cmd cmd = { .id = WOWLAN_PATTERNS, .dataflags[0] = IWL_HCMD_DFL_NOCOPY, @@ -398,8 +637,7 @@ static int iwl_mvm_send_patterns(struct iwl_mvm *mvm, 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) @@ -426,46 +664,97 @@ static int iwl_mvm_send_patterns(struct iwl_mvm *mvm, return err; } +static int iwl_mvm_send_patterns(struct iwl_mvm *mvm, + struct iwl_mvm_vif_link_info *mvm_link, + 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; + int ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd.id, + IWL_FW_CMD_VER_UNKNOWN); + + if (!wowlan->n_patterns) + return 0; + + cmd.len[0] = sizeof(*pattern_cmd) + + wowlan->n_patterns * sizeof(struct iwl_wowlan_pattern_v2); + + pattern_cmd = kzalloc(cmd.len[0], GFP_KERNEL); + if (!pattern_cmd) + return -ENOMEM; + + pattern_cmd->n_patterns = wowlan->n_patterns; + if (ver >= 3) + pattern_cmd->sta_id = mvm_link->ap_sta_id; + + 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) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct ieee80211_chanctx_conf *ctx; u8 chains_static, chains_dynamic; - struct cfg80211_chan_def chandef; + struct cfg80211_chan_def chandef, ap_def; int ret, i; struct iwl_binding_cmd_v1 binding_cmd = {}; struct iwl_time_quota_cmd quota_cmd = {}; struct iwl_time_quota_data *quota; u32 status; - if (WARN_ON_ONCE(iwl_mvm_is_cdb_supported(mvm))) + if (WARN_ON_ONCE(iwl_mvm_is_cdb_supported(mvm) || + ieee80211_vif_is_mld(vif))) return -EINVAL; /* add back the PHY */ - if (WARN_ON(!mvmvif->phy_ctxt)) + if (WARN_ON(!mvmvif->deflink.phy_ctxt)) return -EINVAL; rcu_read_lock(); - ctx = rcu_dereference(vif->chanctx_conf); + ctx = rcu_dereference(vif->bss_conf.chanctx_conf); if (WARN_ON(!ctx)) { rcu_read_unlock(); return -EINVAL; } chandef = ctx->def; + ap_def = ctx->ap; chains_static = ctx->rx_chains_static; chains_dynamic = ctx->rx_chains_dynamic; rcu_read_unlock(); - ret = iwl_mvm_phy_ctxt_add(mvm, mvmvif->phy_ctxt, &chandef, - chains_static, chains_dynamic); + ret = iwl_mvm_phy_ctxt_add(mvm, mvmvif->deflink.phy_ctxt, &chandef, + &ap_def, chains_static, chains_dynamic); if (ret) return ret; /* add back the MAC */ mvmvif->uploaded = false; - if (WARN_ON(!vif->bss_conf.assoc)) + if (WARN_ON(!vif->cfg.assoc)) return -EINVAL; ret = iwl_mvm_mac_ctxt_add(mvm, vif); @@ -474,12 +763,12 @@ static int iwl_mvm_d3_reprogram(struct iwl_mvm *mvm, struct ieee80211_vif *vif, /* add back binding - XXX refactor? */ binding_cmd.id_and_color = - cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->phy_ctxt->id, - mvmvif->phy_ctxt->color)); + cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->deflink.phy_ctxt->id, + mvmvif->deflink.phy_ctxt->color)); binding_cmd.action = cpu_to_le32(FW_CTXT_ACTION_ADD); binding_cmd.phy = - cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->phy_ctxt->id, - mvmvif->phy_ctxt->color)); + cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->deflink.phy_ctxt->id, + mvmvif->deflink.phy_ctxt->color)); binding_cmd.macs[0] = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color)); for (i = 1; i < MAX_MACS_IN_BINDING; i++) @@ -502,7 +791,8 @@ static int iwl_mvm_d3_reprogram(struct iwl_mvm *mvm, struct ieee80211_vif *vif, ret = iwl_mvm_sta_send_to_fw(mvm, ap_sta, false, 0); if (ret) return ret; - rcu_assign_pointer(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id], ap_sta); + rcu_assign_pointer(mvm->fw_id_to_mac_id[mvmvif->deflink.ap_sta_id], + ap_sta); ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); if (ret) @@ -511,8 +801,8 @@ static int iwl_mvm_d3_reprogram(struct iwl_mvm *mvm, struct ieee80211_vif *vif, /* and some quota */ quota = iwl_mvm_quota_cmd_get_quota(mvm, "a_cmd, 0); quota->id_and_color = - cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->phy_ctxt->id, - mvmvif->phy_ctxt->color)); + cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->deflink.phy_ctxt->id, + mvmvif->deflink.phy_ctxt->color)); quota->quota = cpu_to_le32(IWL_MVM_MAX_QUOTA); quota->max_duration = cpu_to_le32(IWL_MVM_MAX_QUOTA); @@ -526,7 +816,7 @@ static int iwl_mvm_d3_reprogram(struct iwl_mvm *mvm, struct ieee80211_vif *vif, if (ret) IWL_ERR(mvm, "Failed to send quota: %d\n", ret); - if (iwl_mvm_is_lar_supported(mvm) && iwl_mvm_init_fw_regd(mvm)) + if (iwl_mvm_is_lar_supported(mvm) && iwl_mvm_init_fw_regd(mvm, false)) IWL_ERR(mvm, "Failed to initialize D3 LAR information\n"); return 0; @@ -622,28 +912,38 @@ static int iwl_mvm_switch_to_d3(struct iwl_mvm *mvm) static int iwl_mvm_get_wowlan_config(struct iwl_mvm *mvm, struct cfg80211_wowlan *wowlan, - struct iwl_wowlan_config_cmd *wowlan_config_cmd, + struct iwl_wowlan_config_cmd_v6 *wowlan_config_cmd, struct ieee80211_vif *vif, struct iwl_mvm_vif *mvmvif, struct ieee80211_sta *ap_sta) { - int ret; struct iwl_mvm_sta *mvm_ap_sta = iwl_mvm_sta_from_mac80211(ap_sta); /* TODO: wowlan_config_cmd->wowlan_ba_teardown_tids */ wowlan_config_cmd->is_11n_connection = - ap_sta->ht_cap.ht_supported; + ap_sta->deflink.ht_cap.ht_supported; wowlan_config_cmd->flags = ENABLE_L3_FILTERING | ENABLE_NBNS_FILTERING | ENABLE_DHCP_FILTERING; - /* Query the last used seqno and set it */ - ret = iwl_mvm_get_last_nonqos_seq(mvm, vif); - if (ret < 0) - return ret; + if (ap_sta->mfp) + wowlan_config_cmd->flags |= IS_11W_ASSOC; - wowlan_config_cmd->non_qos_seq = cpu_to_le16(ret); + if (rcu_access_pointer(mvmvif->bcn_prot.keys[0]) || + rcu_access_pointer(mvmvif->bcn_prot.keys[1])) + wowlan_config_cmd->flags |= HAS_BEACON_PROTECTION; - iwl_mvm_set_wowlan_qos_seq(mvm_ap_sta, wowlan_config_cmd); + if (iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_CONFIGURATION, 0) < 6) { + /* Query the last used seqno and set it */ + int ret = iwl_mvm_get_last_nonqos_seq(mvm, vif); + + if (ret < 0) + return ret; + + wowlan_config_cmd->non_qos_seq = cpu_to_le16(ret); + } + + if (iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_CONFIGURATION, 0) < 7) + iwl_mvm_set_wowlan_qos_seq(mvm_ap_sta, wowlan_config_cmd); if (wowlan->disconnect) wowlan_config_cmd->wakeup_filter |= @@ -692,135 +992,142 @@ iwl_mvm_get_wowlan_config(struct iwl_mvm *mvm, 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) -{ - 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) +static int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct iwl_mvm_vif_link_info *mvm_link) { - struct iwl_wowlan_kek_kck_material_cmd 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, - .use_rsc_tsc = false, - .tkip = &tkip_cmd, - .use_tkip = false, - }; + struct wowlan_key_reprogram_data key_data = {}; 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) - return -ENOMEM; - - /* - * 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) { + if (!unified) { /* - * 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. + * if we have to configure keys, call ieee80211_iter_keys(), + * as we need non-atomic context in order to take the + * required locks. */ - ieee80211_iter_keys(mvm->hw, vif, - iwl_mvm_wowlan_program_keys, + /* + * Note that currently we don't use CMD_ASYNC in 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); - } - if (key_data.error) { - ret = -EIO; - goto out; + if (key_data.error) + return -EIO; } - if (key_data.use_rsc_tsc) { - ret = iwl_mvm_send_cmd_pdu(mvm, - WOWLAN_TSC_RSC_PARAM, cmd_flags, - sizeof(*key_data.rsc_tsc), - key_data.rsc_tsc); - if (ret) - goto out; - } + ret = iwl_mvm_wowlan_config_rsc_tsc(mvm, vif, mvm_link); + if (ret) + return ret; - if (key_data.use_tkip && - !fw_has_api(&mvm->fw->ucode_capa, + if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_TKIP_MIC_KEYS)) { - ret = iwl_mvm_send_cmd_pdu(mvm, - WOWLAN_TKIP_PARAM, - cmd_flags, sizeof(tkip_cmd), - &tkip_cmd); - if (ret) - goto out; + int ver = iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_TKIP_PARAM, + IWL_FW_CMD_VER_UNKNOWN); + struct wowlan_key_tkip_data tkip_data = {}; + int size; + + if (ver == 2) { + size = sizeof(tkip_data.tkip); + tkip_data.tkip.sta_id = + cpu_to_le32(mvm_link->ap_sta_id); + } else if (ver == 1 || ver == IWL_FW_CMD_VER_UNKNOWN) { + size = sizeof(struct iwl_wowlan_tkip_params_cmd_ver_1); + } else { + WARN_ON_ONCE(1); + return -EINVAL; + } + + ieee80211_iter_keys(mvm->hw, vif, iwl_mvm_wowlan_get_tkip_data, + &tkip_data); + + if (tkip_data.have_tkip_keys) { + /* send relevant data according to CMD version */ + ret = iwl_mvm_send_cmd_pdu(mvm, + WOWLAN_TKIP_PARAM, + CMD_ASYNC, size, + &tkip_data.tkip); + if (ret) + return ret; + } } /* 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) { + struct iwl_wowlan_kek_kck_material_cmd_v4 kek_kck_cmd = {}; + struct iwl_wowlan_kek_kck_material_cmd_v4 *_kek_kck_cmd = + &kek_kck_cmd; + struct wowlan_key_gtk_type_iter gtk_type_data = { + .kek_kck_cmd = _kek_kck_cmd, + }; + + cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, + WOWLAN_KEK_KCK_MATERIAL, + IWL_FW_CMD_VER_UNKNOWN); + if (WARN_ON(cmd_ver != 2 && cmd_ver != 3 && cmd_ver != 4 && + cmd_ver != IWL_FW_CMD_VER_UNKNOWN)) + return -EINVAL; + + ieee80211_iter_keys(mvm->hw, vif, iwl_mvm_wowlan_gtk_type_iter, + >k_type_data); + 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); + kek_kck_cmd.sta_id = cpu_to_le32(mvm_link->ap_sta_id); + + if (cmd_ver == 4) { + cmd_size = sizeof(struct iwl_wowlan_kek_kck_material_cmd_v4); + } else { + 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); + /* skip the sta_id at the beginning */ + _kek_kck_cmd = (void *) + ((u8 *)_kek_kck_cmd + sizeof(kek_kck_cmd.sta_id)); + } + + 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), - &kek_kck_cmd); + ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_KEK_KCK_MATERIAL, + CMD_ASYNC, cmd_size, _kek_kck_cmd); if (ret) - goto out; + return ret; } - ret = 0; -out: - kfree(key_data.rsc_tsc); - return ret; + + return 0; } static int iwl_mvm_wowlan_config(struct iwl_mvm *mvm, struct cfg80211_wowlan *wowlan, - struct iwl_wowlan_config_cmd *wowlan_config_cmd, + struct iwl_wowlan_config_cmd_v6 *wowlan_config_cmd_v6, struct ieee80211_vif *vif, struct iwl_mvm_vif *mvmvif, + struct iwl_mvm_vif_link_info *mvm_link, struct ieee80211_sta *ap_sta) { int ret; bool unified_image = fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); + mvm->offload_tid = wowlan_config_cmd_v6->offloading_tid; + if (!unified_image) { ret = iwl_mvm_switch_to_d3(mvm); if (ret) @@ -831,31 +1138,43 @@ iwl_mvm_wowlan_config(struct iwl_mvm *mvm, 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; - } + ret = iwl_mvm_wowlan_config_key_params(mvm, vif, mvm_link); + if (ret) + return ret; + + if (iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_CONFIGURATION, 0) > 6) { + struct iwl_wowlan_config_cmd wowlan_config_cmd = { + .wakeup_filter = wowlan_config_cmd_v6->wakeup_filter, + .wowlan_ba_teardown_tids = + wowlan_config_cmd_v6->wowlan_ba_teardown_tids, + .is_11n_connection = + wowlan_config_cmd_v6->is_11n_connection, + .offloading_tid = wowlan_config_cmd_v6->offloading_tid, + .flags = wowlan_config_cmd_v6->flags, + .sta_id = wowlan_config_cmd_v6->sta_id, + }; - ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, 0, - sizeof(*wowlan_config_cmd), - wowlan_config_cmd); + ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, 0, + sizeof(wowlan_config_cmd), + &wowlan_config_cmd); + } else { + ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, 0, + sizeof(*wowlan_config_cmd_v6), + wowlan_config_cmd_v6); + } 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, mvm_link, wowlan); + else + ret = iwl_mvm_send_patterns_v1(mvm, wowlan); if (ret) return ret; - return iwl_mvm_send_proto_offload(mvm, vif, false, true, 0); + return iwl_mvm_send_proto_offload(mvm, vif, false, true, 0, + mvm_link->ap_sta_id); } static int @@ -864,7 +1183,6 @@ iwl_mvm_netdetect_config(struct iwl_mvm *mvm, struct cfg80211_sched_scan_request *nd_config, struct ieee80211_vif *vif) { - struct iwl_wowlan_config_cmd wowlan_config_cmd = {}; int ret; bool unified_image = fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); @@ -884,17 +1202,6 @@ iwl_mvm_netdetect_config(struct iwl_mvm *mvm, return ret; } - /* rfkill release can be either for wowlan or netdetect */ - if (wowlan->rfkill_release) - wowlan_config_cmd.wakeup_filter |= - cpu_to_le32(IWL_WOWLAN_WAKEUP_RF_KILL_DEASSERT); - - ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, 0, - sizeof(wowlan_config_cmd), - &wowlan_config_cmd); - if (ret) - return ret; - ret = iwl_mvm_sched_scan_start(mvm, vif, nd_config, &mvm->nd_ies, IWL_MVM_SCAN_NETDETECT); if (ret) @@ -935,14 +1242,14 @@ static void iwl_mvm_free_nd(struct iwl_mvm *mvm) } static int __iwl_mvm_suspend(struct ieee80211_hw *hw, - struct cfg80211_wowlan *wowlan, - bool test) + struct cfg80211_wowlan *wowlan) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); struct ieee80211_vif *vif = NULL; struct iwl_mvm_vif *mvmvif = NULL; struct ieee80211_sta *ap_sta = NULL; - struct iwl_d3_manager_config d3_cfg_cmd_data = { + struct iwl_mvm_vif_link_info *mvm_link; + struct iwl_d3_manager_config d3_cfg_cmd = { /* * Program the minimum sleep time to 10 seconds, as many * platforms have issues processing a wakeup signal while @@ -950,37 +1257,36 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw, */ .min_sleep_time = cpu_to_le32(10 * 1000 * 1000), }; - struct iwl_host_cmd d3_cfg_cmd = { - .id = D3_CONFIG_CMD, - .flags = CMD_WANT_SKB, - .data[0] = &d3_cfg_cmd_data, - .len[0] = sizeof(d3_cfg_cmd_data), - }; int ret; int len __maybe_unused; bool unified_image = fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); if (!wowlan) { - /* - * mac80211 shouldn't get here, but for D3 test - * it doesn't warrant a warning - */ - WARN_ON(!test); + /* mac80211 shouldn't get here */ + WARN_ON(1); return -EINVAL; } + vif = iwl_mvm_get_bss_vif(mvm); + if (IS_ERR_OR_NULL(vif)) + return 1; + mutex_lock(&mvm->mutex); - vif = iwl_mvm_get_bss_vif(mvm); - if (IS_ERR_OR_NULL(vif)) { - ret = 1; - goto out_noreset; - } + set_bit(IWL_MVM_STATUS_IN_D3, &mvm->status); + + synchronize_net(); mvmvif = iwl_mvm_vif_from_mac80211(vif); - if (mvmvif->ap_sta_id == IWL_MVM_INVALID_STA) { + mvm_link = mvmvif->link[iwl_mvm_get_primary_link(vif)]; + if (WARN_ON_ONCE(!mvm_link)) { + ret = -EINVAL; + goto out_noreset; + } + + if (mvm_link->ap_sta_id == IWL_INVALID_STA) { /* if we're not associated, this must be netdetect */ if (!wowlan->nd_config) { ret = 1; @@ -994,22 +1300,31 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw, mvm->net_detect = true; } else { - struct iwl_wowlan_config_cmd wowlan_config_cmd = {}; + struct iwl_wowlan_config_cmd_v6 wowlan_config_cmd = { + .offloading_tid = 0, + }; + + wowlan_config_cmd.sta_id = mvm_link->ap_sta_id; ap_sta = rcu_dereference_protected( - mvm->fw_id_to_mac_id[mvmvif->ap_sta_id], + mvm->fw_id_to_mac_id[mvm_link->ap_sta_id], lockdep_is_held(&mvm->mutex)); if (IS_ERR_OR_NULL(ap_sta)) { ret = -EINVAL; goto out_noreset; } + ret = iwl_mvm_sta_ensure_queue( + mvm, ap_sta->txq[wowlan_config_cmd.offloading_tid]); + if (ret) + goto out_noreset; + ret = iwl_mvm_get_wowlan_config(mvm, wowlan, &wowlan_config_cmd, vif, mvmvif, ap_sta); if (ret) goto out_noreset; ret = iwl_mvm_wowlan_config(mvm, wowlan, &wowlan_config_cmd, - vif, mvmvif, ap_sta); + vif, mvmvif, mvm_link, ap_sta); if (ret) goto out; @@ -1026,44 +1341,32 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw, #ifdef CONFIG_IWLWIFI_DEBUGFS if (mvm->d3_wake_sysassert) - d3_cfg_cmd_data.wakeup_flags |= + d3_cfg_cmd.wakeup_flags |= cpu_to_le32(IWL_WAKEUP_D3_CONFIG_FW_ERROR); #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.trans, NULL); + if (mvm->trans->mac_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); + ret = iwl_mvm_send_cmd_pdu(mvm, D3_CONFIG_CMD, 0, sizeof(d3_cfg_cmd), + &d3_cfg_cmd); if (ret) goto out; -#ifdef CONFIG_IWLWIFI_DEBUGFS - len = iwl_rx_packet_payload_len(d3_cfg_cmd.resp_pkt); - if (len >= sizeof(u32)) { - mvm->d3_test_pme_ptr = - le32_to_cpup((__le32 *)d3_cfg_cmd.resp_pkt->data); - } -#endif - iwl_free_resp(&d3_cfg_cmd); 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, !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); @@ -1071,77 +1374,81 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw, 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; -} - int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); - 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); + mutex_lock(&mvm->mutex); iwl_fw_runtime_suspend(&mvm->fwrt); + mutex_unlock(&mvm->mutex); - 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; - - return __iwl_mvm_suspend(hw, wowlan, false); + return __iwl_mvm_suspend(hw, wowlan); } +struct iwl_multicast_key_data { + u8 key[WOWLAN_KEY_MAX_SIZE]; + u8 len; + u8 flags; + u8 id; + u8 ipn[6]; +}; + /* converted data from the different status responses */ struct iwl_wowlan_status_data { - u16 pattern_number; - u16 qos_seq_ctr[8]; + u64 replay_ctr; + u32 num_of_gtk_rekeys; + u32 received_beacons; u32 wakeup_reasons; u32 wake_packet_length; u32 wake_packet_bufsize; - const u8 *wake_packet; + u16 pattern_number; + u16 non_qos_seq_ctr; + u16 qos_seq_ctr[8]; + u8 tid_tear_down; + u8 tid_offloaded_tx; + + struct { + /* including RX MIC key for TKIP */ + u8 key[WOWLAN_KEY_MAX_SIZE]; + u8 len; + u8 flags; + u8 id; + } gtk[WOWLAN_GTK_KEYS_NUM]; + + struct { + /* + * We store both the TKIP and AES representations + * coming from the firmware because we decode the + * data from there before we iterate the keys and + * know which one we need. + */ + struct { + struct ieee80211_key_seq seq[IWL_MAX_TID_COUNT]; + } tkip, aes; + + /* + * We use -1 for when we have valid data but don't know + * the key ID from firmware, and thus it needs to be + * installed with the last key (depending on rekeying). + */ + s8 key_id; + bool valid; + } gtk_seq[2]; + + struct { + /* Same as above */ + struct { + struct ieee80211_key_seq seq[IWL_MAX_TID_COUNT]; + u64 tx_pn; + } tkip, aes; + } ptk; + + struct iwl_multicast_key_data igtk; + struct iwl_multicast_key_data bigtk[WOWLAN_BIGTK_KEYS_NUM]; + + u8 *wake_packet; }; static void iwl_mvm_report_wakeup_reasons(struct iwl_mvm *mvm, @@ -1170,7 +1477,8 @@ static void iwl_mvm_report_wakeup_reasons(struct iwl_mvm *mvm, status->pattern_number; if (reasons & (IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON | - IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH)) + IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH | + IWL_WOWLAN_WAKEUP_BY_GTK_REKEY_FAILURE)) wakeup.disconnect = true; if (reasons & IWL_WOWLAN_WAKEUP_BY_GTK_REKEY_FAILURE) @@ -1194,11 +1502,14 @@ static void iwl_mvm_report_wakeup_reasons(struct iwl_mvm *mvm, if (reasons & IWL_WOWLAN_WAKEUP_BY_REM_WAKE_WAKEUP_PACKET) wakeup.tcp_match = true; - if (status->wake_packet_bufsize) { + if (reasons & IWL_WAKEUP_BY_11W_UNPROTECTED_DEAUTH_OR_DISASSOC) + wakeup.unprot_deauth_disassoc = true; + + if (status->wake_packet) { int pktsize = status->wake_packet_bufsize; int pktlen = status->wake_packet_length; const u8 *pktdata = status->wake_packet; - struct ieee80211_hdr *hdr = (void *)pktdata; + const struct ieee80211_hdr *hdr = (const void *)pktdata; int truncated = pktlen - pktsize; /* this would be a firmware bug */ @@ -1276,12 +1587,10 @@ static void iwl_mvm_report_wakeup_reasons(struct iwl_mvm *mvm, kfree_skb(pkt); } -static void iwl_mvm_aes_sc_to_seq(struct aes_sc *sc, - struct ieee80211_key_seq *seq) +static void iwl_mvm_le64_to_aes_seq(__le64 le_pn, struct ieee80211_key_seq *seq) { - u64 pn; + u64 pn = le64_to_cpu(le_pn); - pn = le64_to_cpu(sc->pn); seq->ccmp.pn[0] = pn >> 40; seq->ccmp.pn[1] = pn >> 32; seq->ccmp.pn[2] = pn >> 24; @@ -1290,6 +1599,20 @@ static void iwl_mvm_aes_sc_to_seq(struct aes_sc *sc, seq->ccmp.pn[5] = pn; } +static void iwl_mvm_aes_sc_to_seq(struct aes_sc *sc, + struct ieee80211_key_seq *seq) +{ + iwl_mvm_le64_to_aes_seq(sc->pn, seq); +} + +static void iwl_mvm_le64_to_tkip_seq(__le64 le_pn, struct ieee80211_key_seq *seq) +{ + u64 pn = le64_to_cpu(le_pn); + + seq->tkip.iv16 = (u16)pn; + seq->tkip.iv32 = (u32)(pn >> 16); +} + static void iwl_mvm_tkip_sc_to_seq(struct tkip_sc *sc, struct ieee80211_key_seq *seq) { @@ -1297,87 +1620,196 @@ static void iwl_mvm_tkip_sc_to_seq(struct tkip_sc *sc, seq->tkip.iv16 = le16_to_cpu(sc->iv16); } -static void iwl_mvm_set_aes_rx_seq(struct iwl_mvm *mvm, struct aes_sc *scs, - struct ieee80211_sta *sta, - struct ieee80211_key_conf *key) +static void iwl_mvm_set_key_rx_seq_tids(struct ieee80211_key_conf *key, + struct ieee80211_key_seq *seq) { int tid; - BUILD_BUG_ON(IWL_NUM_RSC != IEEE80211_NUM_TIDS); + for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) + ieee80211_set_key_rx_seq(key, tid, &seq[tid]); +} - if (sta && iwl_mvm_has_new_rx_api(mvm)) { - struct iwl_mvm_sta *mvmsta; - struct iwl_mvm_key_pn *ptk_pn; +static void iwl_mvm_set_aes_ptk_rx_seq(struct iwl_mvm *mvm, + struct iwl_wowlan_status_data *status, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key) +{ + struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); + struct iwl_mvm_key_pn *ptk_pn; + int tid; - mvmsta = iwl_mvm_sta_from_mac80211(sta); + iwl_mvm_set_key_rx_seq_tids(key, status->ptk.aes.seq); - ptk_pn = rcu_dereference_protected(mvmsta->ptk_pn[key->keyidx], - lockdep_is_held(&mvm->mutex)); - if (WARN_ON(!ptk_pn)) - return; + if (!iwl_mvm_has_new_rx_api(mvm)) + return; - for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { - struct ieee80211_key_seq seq = {}; - int i; - iwl_mvm_aes_sc_to_seq(&scs[tid], &seq); - ieee80211_set_key_rx_seq(key, tid, &seq); - for (i = 1; i < mvm->trans->num_rx_queues; i++) - memcpy(ptk_pn->q[i].pn[tid], - seq.ccmp.pn, IEEE80211_CCMP_PN_LEN); - } - } else { - for (tid = 0; tid < IWL_NUM_RSC; tid++) { - struct ieee80211_key_seq seq = {}; + rcu_read_lock(); + ptk_pn = rcu_dereference(mvmsta->ptk_pn[key->keyidx]); + if (WARN_ON(!ptk_pn)) { + rcu_read_unlock(); + return; + } - iwl_mvm_aes_sc_to_seq(&scs[tid], &seq); - ieee80211_set_key_rx_seq(key, tid, &seq); - } + for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { + int i; + + for (i = 1; i < mvm->trans->info.num_rxqs; i++) + memcpy(ptk_pn->q[i].pn[tid], + status->ptk.aes.seq[tid].ccmp.pn, + IEEE80211_CCMP_PN_LEN); } + rcu_read_unlock(); } -static void iwl_mvm_set_tkip_rx_seq(struct tkip_sc *scs, - struct ieee80211_key_conf *key) +static void iwl_mvm_convert_key_counters(struct iwl_wowlan_status_data *status, + union iwl_all_tsc_rsc *sc, u8 key_idx) { - int tid; + int i; + + BUILD_BUG_ON(IWL_MAX_TID_COUNT > IWL_MAX_TID_COUNT); + BUILD_BUG_ON(IWL_MAX_TID_COUNT > IWL_NUM_RSC); - BUILD_BUG_ON(IWL_NUM_RSC != IEEE80211_NUM_TIDS); + /* GTK RX counters */ + for (i = 0; i < IWL_MAX_TID_COUNT; i++) { + iwl_mvm_tkip_sc_to_seq(&sc->tkip.multicast_rsc[i], + &status->gtk_seq[0].tkip.seq[i]); + iwl_mvm_aes_sc_to_seq(&sc->aes.multicast_rsc[i], + &status->gtk_seq[0].aes.seq[i]); + } + status->gtk_seq[0].valid = true; + status->gtk_seq[0].key_id = key_idx; - for (tid = 0; tid < IWL_NUM_RSC; tid++) { - struct ieee80211_key_seq seq = {}; + /* PTK TX counter */ + status->ptk.tkip.tx_pn = (u64)le16_to_cpu(sc->tkip.tsc.iv16) | + ((u64)le32_to_cpu(sc->tkip.tsc.iv32) << 16); + status->ptk.aes.tx_pn = le64_to_cpu(sc->aes.tsc.pn); - iwl_mvm_tkip_sc_to_seq(&scs[tid], &seq); - ieee80211_set_key_rx_seq(key, tid, &seq); + /* PTK RX counters */ + for (i = 0; i < IWL_MAX_TID_COUNT; i++) { + iwl_mvm_tkip_sc_to_seq(&sc->tkip.unicast_rsc[i], + &status->ptk.tkip.seq[i]); + iwl_mvm_aes_sc_to_seq(&sc->aes.unicast_rsc[i], + &status->ptk.aes.seq[i]); } } -static void iwl_mvm_set_key_rx_seq(struct iwl_mvm *mvm, - struct ieee80211_key_conf *key, - struct iwl_wowlan_status *status) +static void +iwl_mvm_convert_key_counters_v5_gtk_seq(struct iwl_wowlan_status_data *status, + struct iwl_wowlan_all_rsc_tsc_v5 *sc, + unsigned int idx, unsigned int key_id) { - union iwl_all_tsc_rsc *rsc = &status->gtk[0].rsc.all_tsc_rsc; + int tid; + + for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { + iwl_mvm_le64_to_tkip_seq(sc->mcast_rsc[idx][tid], + &status->gtk_seq[idx].tkip.seq[tid]); + iwl_mvm_le64_to_aes_seq(sc->mcast_rsc[idx][tid], + &status->gtk_seq[idx].aes.seq[tid]); + } + + status->gtk_seq[idx].valid = true; + status->gtk_seq[idx].key_id = key_id; +} + +static void +iwl_mvm_convert_key_counters_v5(struct iwl_wowlan_status_data *status, + struct iwl_wowlan_all_rsc_tsc_v5 *sc) +{ + int i, tid; + + BUILD_BUG_ON(IWL_MAX_TID_COUNT > IWL_MAX_TID_COUNT); + BUILD_BUG_ON(IWL_MAX_TID_COUNT > IWL_NUM_RSC); + BUILD_BUG_ON(ARRAY_SIZE(sc->mcast_rsc) != ARRAY_SIZE(status->gtk_seq)); + + /* GTK RX counters */ + for (i = 0; i < ARRAY_SIZE(sc->mcast_key_id_map); i++) { + u8 entry = sc->mcast_key_id_map[i]; + + if (entry < ARRAY_SIZE(sc->mcast_rsc)) + iwl_mvm_convert_key_counters_v5_gtk_seq(status, sc, + entry, i); + } + /* PTK TX counters not needed, assigned in device */ + + /* PTK RX counters */ + for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { + iwl_mvm_le64_to_tkip_seq(sc->ucast_rsc[tid], + &status->ptk.tkip.seq[tid]); + iwl_mvm_le64_to_aes_seq(sc->ucast_rsc[tid], + &status->ptk.aes.seq[tid]); + } +} + +static void iwl_mvm_set_key_rx_seq_idx(struct ieee80211_key_conf *key, + struct iwl_wowlan_status_data *status, + int idx) +{ switch (key->cipher) { case WLAN_CIPHER_SUITE_CCMP: - iwl_mvm_set_aes_rx_seq(mvm, rsc->aes.multicast_rsc, NULL, key); + case WLAN_CIPHER_SUITE_GCMP: + case WLAN_CIPHER_SUITE_GCMP_256: + iwl_mvm_set_key_rx_seq_tids(key, status->gtk_seq[idx].aes.seq); break; case WLAN_CIPHER_SUITE_TKIP: - iwl_mvm_set_tkip_rx_seq(rsc->tkip.multicast_rsc, key); + iwl_mvm_set_key_rx_seq_tids(key, status->gtk_seq[idx].tkip.seq); break; default: WARN_ON(1); } } +static void iwl_mvm_set_key_rx_seq(struct ieee80211_key_conf *key, + struct iwl_wowlan_status_data *status) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(status->gtk_seq); i++) { + if (!status->gtk_seq[i].valid) + continue; + + if (status->gtk_seq[i].key_id == key->keyidx) + iwl_mvm_set_key_rx_seq_idx(key, status, i); + } +} + struct iwl_mvm_d3_gtk_iter_data { struct iwl_mvm *mvm; - struct iwl_wowlan_status *status; - void *last_gtk; - u32 cipher; - bool find_phase, unhandled_cipher; - int num_keys; + struct iwl_wowlan_status_data *status; }; +static void +iwl_mvm_d3_set_igtk_bigtk_ipn(const struct iwl_multicast_key_data *key, + struct ieee80211_key_seq *seq, u32 cipher) +{ + switch (cipher) { + case WLAN_CIPHER_SUITE_BIP_GMAC_128: + case WLAN_CIPHER_SUITE_BIP_GMAC_256: + BUILD_BUG_ON(sizeof(seq->aes_gmac.pn) != sizeof(key->ipn)); + memcpy(seq->aes_gmac.pn, key->ipn, sizeof(seq->aes_gmac.pn)); + break; + case WLAN_CIPHER_SUITE_BIP_CMAC_256: + case WLAN_CIPHER_SUITE_AES_CMAC: + BUILD_BUG_ON(sizeof(seq->aes_cmac.pn) != sizeof(key->ipn)); + memcpy(seq->aes_cmac.pn, key->ipn, sizeof(seq->aes_cmac.pn)); + break; + default: + WARN_ON(1); + } +} + +static void +iwl_mvm_d3_update_igtk_bigtk(struct iwl_wowlan_status_data *status, + struct ieee80211_key_conf *key, + struct iwl_multicast_key_data *key_data) +{ + struct ieee80211_key_seq seq; + + iwl_mvm_d3_set_igtk_bigtk_ipn(key_data, &seq, key->cipher); + ieee80211_set_key_rx_seq(key, 0, &seq); +} + static void iwl_mvm_d3_update_keys(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, @@ -1385,8 +1817,11 @@ static void iwl_mvm_d3_update_keys(struct ieee80211_hw *hw, void *_data) { struct iwl_mvm_d3_gtk_iter_data *data = _data; + struct iwl_wowlan_status_data *status = data->status; + s8 keyidx; + int link_id = vif->active_links ? __ffs(vif->active_links) : -1; - if (data->unhandled_cipher) + if (link_id >= 0 && key->link_id >= 0 && link_id != key->link_id) return; switch (key->cipher) { @@ -1395,155 +1830,493 @@ static void iwl_mvm_d3_update_keys(struct ieee80211_hw *hw, /* ignore WEP completely, nothing to do */ return; case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_GCMP: + case WLAN_CIPHER_SUITE_GCMP_256: + if (sta) { + atomic64_set(&key->tx_pn, status->ptk.aes.tx_pn); + iwl_mvm_set_aes_ptk_rx_seq(data->mvm, status, sta, key); + return; + } + fallthrough; case WLAN_CIPHER_SUITE_TKIP: - /* we support these */ + if (sta) { + atomic64_set(&key->tx_pn, status->ptk.tkip.tx_pn); + iwl_mvm_set_key_rx_seq_tids(key, status->ptk.tkip.seq); + return; + } + keyidx = key->keyidx; + /* + * Update the seq even if there was a rekey. If there was a + * rekey, we will update again after replacing the key + */ + if ((status->gtk[0].len && keyidx == status->gtk[0].id) || + (status->gtk[1].len && keyidx == status->gtk[1].id)) + iwl_mvm_set_key_rx_seq(key, status); break; - default: - /* everything else (even CMAC for MFP) - disconnect from AP */ - data->unhandled_cipher = true; - return; + case WLAN_CIPHER_SUITE_BIP_GMAC_128: + case WLAN_CIPHER_SUITE_BIP_GMAC_256: + case WLAN_CIPHER_SUITE_BIP_CMAC_256: + case WLAN_CIPHER_SUITE_AES_CMAC: + if (key->keyidx == 4 || key->keyidx == 5) { + iwl_mvm_d3_update_igtk_bigtk(status, key, + &status->igtk); + } + if (key->keyidx == 6 || key->keyidx == 7) { + u8 idx = key->keyidx == status->bigtk[1].id; + + iwl_mvm_d3_update_igtk_bigtk(status, key, + &status->bigtk[idx]); + } } +} - data->num_keys++; +static bool iwl_mvm_gtk_rekey(struct iwl_wowlan_status_data *status, + struct ieee80211_vif *vif, + struct iwl_mvm *mvm) +{ + int i, j; + struct ieee80211_key_conf *key; + int link_id = vif->active_links ? __ffs(vif->active_links) : -1; - /* - * pairwise key - update sequence counters only; - * note that this assumes no TDLS sessions are active - */ - if (sta) { - struct ieee80211_key_seq seq = {}; - union iwl_all_tsc_rsc *sc = - &data->status->gtk[0].rsc.all_tsc_rsc; + for (i = 0; i < ARRAY_SIZE(status->gtk); i++) { + if (!status->gtk[i].len) + continue; - if (data->find_phase) - return; + IWL_DEBUG_WOWLAN(mvm, + "Received from FW GTK: key index %d\n", + status->gtk[i].id); + + key = ieee80211_gtk_rekey_add(vif, status->gtk[i].id, + status->gtk[i].key, + sizeof(status->gtk[i].key), + link_id); + if (IS_ERR(key)) { + /* FW may send also the old keys */ + if (PTR_ERR(key) == -EALREADY) + continue; + return false; + } - switch (key->cipher) { - case WLAN_CIPHER_SUITE_CCMP: - 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)); - break; - case WLAN_CIPHER_SUITE_TKIP: - iwl_mvm_tkip_sc_to_seq(&sc->tkip.tsc, &seq); - iwl_mvm_set_tkip_rx_seq(sc->tkip.unicast_rsc, key); - atomic64_set(&key->tx_pn, - (u64)seq.tkip.iv16 | - ((u64)seq.tkip.iv32 << 16)); + for (j = 0; j < ARRAY_SIZE(status->gtk_seq); j++) { + if (!status->gtk_seq[j].valid || + status->gtk_seq[j].key_id != key->keyidx) + continue; + iwl_mvm_set_key_rx_seq_idx(key, status, j); break; } + WARN_ON(j == ARRAY_SIZE(status->gtk_seq)); + } - /* that's it for this key */ - return; + return true; +} + +static bool +iwl_mvm_d3_igtk_bigtk_rekey_add(struct iwl_wowlan_status_data *status, + struct ieee80211_vif *vif, + struct iwl_multicast_key_data *key_data) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct ieee80211_key_conf *key_config; + struct ieee80211_key_seq seq; + int link_id = vif->active_links ? __ffs(vif->active_links) : -1; + s8 keyidx = key_data->id; + + if (!key_data->len) + return true; + + key_config = ieee80211_gtk_rekey_add(vif, keyidx, key_data->key, + sizeof(key_data->key), link_id); + if (IS_ERR(key_config)) { + /* FW may send also the old keys */ + return PTR_ERR(key_config) == -EALREADY; } - if (data->find_phase) { - data->last_gtk = key; - data->cipher = key->cipher; - return; + iwl_mvm_d3_set_igtk_bigtk_ipn(key_data, &seq, key_config->cipher); + ieee80211_set_key_rx_seq(key_config, 0, &seq); + + if (keyidx == 4 || keyidx == 5) { + struct iwl_mvm_vif_link_info *mvm_link; + + link_id = link_id < 0 ? 0 : link_id; + mvm_link = mvmvif->link[link_id]; + if (mvm_link->igtk) + mvm_link->igtk->hw_key_idx = STA_KEY_IDX_INVALID; + mvm_link->igtk = key_config; } - if (data->status->num_of_gtk_rekeys) - ieee80211_remove_key(key); - else if (data->last_gtk == key) - iwl_mvm_set_key_rx_seq(data->mvm, key, data->status); + if (vif->type == NL80211_IFTYPE_STATION && (keyidx == 6 || keyidx == 7)) + rcu_assign_pointer(mvmvif->bcn_prot.keys[keyidx - 6], + key_config); + + return true; +} + +static int iwl_mvm_lookup_wowlan_status_ver(struct iwl_mvm *mvm) +{ + u8 notif_ver; + + if (!fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_WOWLAN_KEY_MATERIAL)) + return 6; + + /* default to 7 (when we have IWL_UCODE_TLV_API_WOWLAN_KEY_MATERIAL) */ + notif_ver = iwl_fw_lookup_notif_ver(mvm->fw, LONG_GROUP, + WOWLAN_GET_STATUSES, 0); + if (!notif_ver) + notif_ver = iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, + WOWLAN_GET_STATUSES, 7); + + return notif_ver; } static bool iwl_mvm_setup_connection_keep(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - struct iwl_wowlan_status *status) + struct iwl_wowlan_status_data *status) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct iwl_mvm_d3_gtk_iter_data gtkdata = { .mvm = mvm, .status = status, }; + int i; u32 disconnection_reasons = IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON | IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH; if (!status || !vif->bss_conf.bssid) return false; - - if (le32_to_cpu(status->wakeup_reasons) & disconnection_reasons) - return false; - - /* find last GTK that we used initially, if any */ - gtkdata.find_phase = true; - ieee80211_iter_keys(mvm->hw, vif, - iwl_mvm_d3_update_keys, >kdata); - /* not trying to keep connections with MFP/unhandled ciphers */ - if (gtkdata.unhandled_cipher) - return false; - if (!gtkdata.num_keys) - goto out; - if (!gtkdata.last_gtk) - return false; - /* * invalidate all other GTKs that might still exist and update * the one that we used */ - gtkdata.find_phase = false; ieee80211_iter_keys(mvm->hw, vif, iwl_mvm_d3_update_keys, >kdata); if (status->num_of_gtk_rekeys) { - struct ieee80211_key_conf *key; - struct { - struct ieee80211_key_conf conf; - u8 key[32]; - } conf = { - .conf.cipher = gtkdata.cipher, - .conf.keyidx = - iwlmvm_wowlan_gtk_idx(&status->gtk[0]), - }; - __be64 replay_ctr; + __be64 replay_ctr = cpu_to_be64(status->replay_ctr); - switch (gtkdata.cipher) { - case WLAN_CIPHER_SUITE_CCMP: - conf.conf.keylen = WLAN_KEY_LEN_CCMP; - memcpy(conf.conf.key, status->gtk[0].key, - WLAN_KEY_LEN_CCMP); - break; - case WLAN_CIPHER_SUITE_TKIP: - conf.conf.keylen = WLAN_KEY_LEN_TKIP; - 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[0].tkip_mic_key, 8); - break; - } + IWL_DEBUG_WOWLAN(mvm, "num of GTK rekeying %d\n", + status->num_of_gtk_rekeys); + + if (!iwl_mvm_gtk_rekey(status, vif, mvm)) + return false; - key = ieee80211_gtk_rekey_add(vif, &conf.conf); - if (IS_ERR(key)) + if (!iwl_mvm_d3_igtk_bigtk_rekey_add(status, vif, + &status->igtk)) return false; - iwl_mvm_set_key_rx_seq(mvm, key, status); - replay_ctr = - cpu_to_be64(le64_to_cpu(status->replay_ctr)); + for (i = 0; i < ARRAY_SIZE(status->bigtk); i++) { + if (!iwl_mvm_d3_igtk_bigtk_rekey_add(status, vif, + &status->bigtk[i])) + return false; + } ieee80211_gtk_rekey_notify(vif, vif->bss_conf.bssid, (void *)&replay_ctr, GFP_KERNEL); } -out: - mvmvif->seqno_valid = true; - /* +0x10 because the set API expects next-to-use, not last-used */ - mvmvif->seqno = le16_to_cpu(status->non_qos_seq_ctr) + 0x10; + if (iwl_fw_lookup_notif_ver(mvm->fw, LONG_GROUP, + WOWLAN_GET_STATUSES, + IWL_FW_CMD_VER_UNKNOWN) < 10) { + mvmvif->seqno_valid = true; + /* +0x10 because the set API expects next-to-use, not last-used */ + mvmvif->seqno = status->non_qos_seq_ctr + 0x10; + } + + if (status->wakeup_reasons & disconnection_reasons) + return false; return true; } -struct iwl_wowlan_status *iwl_mvm_send_wowlan_get_status(struct iwl_mvm *mvm) +static void iwl_mvm_convert_gtk_v2(struct iwl_wowlan_status_data *status, + struct iwl_wowlan_gtk_status_v2 *data) +{ + BUILD_BUG_ON(sizeof(status->gtk[0].key) < sizeof(data->key)); + BUILD_BUG_ON(NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY + + sizeof(data->tkip_mic_key) > + sizeof(status->gtk[0].key)); + + status->gtk[0].len = data->key_len; + status->gtk[0].flags = data->key_flags; + status->gtk[0].id = status->gtk[0].flags & IWL_WOWLAN_GTK_IDX_MASK; + + memcpy(status->gtk[0].key, data->key, sizeof(data->key)); + + /* if it's as long as the TKIP encryption key, copy MIC key */ + if (status->gtk[0].len == NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY) + memcpy(status->gtk[0].key + NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY, + data->tkip_mic_key, sizeof(data->tkip_mic_key)); +} + +static void iwl_mvm_convert_gtk_v3(struct iwl_wowlan_status_data *status, + struct iwl_wowlan_gtk_status_v3 *data) +{ + int data_idx, status_idx = 0; + + BUILD_BUG_ON(sizeof(status->gtk[0].key) < sizeof(data[0].key)); + BUILD_BUG_ON(NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY + + sizeof(data[0].tkip_mic_key) > + sizeof(status->gtk[0].key)); + BUILD_BUG_ON(ARRAY_SIZE(status->gtk) < WOWLAN_GTK_KEYS_NUM); + for (data_idx = 0; data_idx < ARRAY_SIZE(status->gtk); data_idx++) { + if (!(data[data_idx].key_len)) + continue; + status->gtk[status_idx].len = data[data_idx].key_len; + status->gtk[status_idx].flags = data[data_idx].key_flags; + status->gtk[status_idx].id = status->gtk[status_idx].flags & + IWL_WOWLAN_GTK_IDX_MASK; + + memcpy(status->gtk[status_idx].key, data[data_idx].key, + sizeof(data[data_idx].key)); + + /* if it's as long as the TKIP encryption key, copy MIC key */ + if (status->gtk[status_idx].len == + NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY) + memcpy(status->gtk[status_idx].key + + NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY, + data[data_idx].tkip_mic_key, + sizeof(data[data_idx].tkip_mic_key)); + status_idx++; + } +} + +static void iwl_mvm_convert_igtk(struct iwl_wowlan_status_data *status, + struct iwl_wowlan_igtk_status_v1 *data) +{ + int i; + + BUILD_BUG_ON(sizeof(status->igtk.key) < sizeof(data->key)); + BUILD_BUG_ON(sizeof(status->igtk.ipn) != sizeof(data->ipn)); + + if (!data->key_len) + return; + + status->igtk.len = data->key_len; + status->igtk.flags = data->key_flags; + status->igtk.id = u32_get_bits(data->key_flags, + IWL_WOWLAN_IGTK_BIGTK_IDX_MASK) + + WOWLAN_IGTK_MIN_INDEX; + + memcpy(status->igtk.key, data->key, sizeof(data->key)); + + /* mac80211 expects big endian for memcmp() to work, convert */ + for (i = 0; i < sizeof(data->ipn); i++) + status->igtk.ipn[i] = data->ipn[sizeof(data->ipn) - i - 1]; +} + +static void iwl_mvm_convert_bigtk(struct iwl_wowlan_status_data *status, + const struct iwl_wowlan_igtk_status_v1 *data) +{ + int data_idx, status_idx = 0; + + BUILD_BUG_ON(ARRAY_SIZE(status->bigtk) < WOWLAN_BIGTK_KEYS_NUM); + + for (data_idx = 0; data_idx < WOWLAN_BIGTK_KEYS_NUM; data_idx++) { + if (!data[data_idx].key_len) + continue; + + status->bigtk[status_idx].len = data[data_idx].key_len; + status->bigtk[status_idx].flags = data[data_idx].key_flags; + status->bigtk[status_idx].id = + u32_get_bits(data[data_idx].key_flags, + IWL_WOWLAN_IGTK_BIGTK_IDX_MASK) + + WOWLAN_BIGTK_MIN_INDEX; + + BUILD_BUG_ON(sizeof(status->bigtk[status_idx].key) < + sizeof(data[data_idx].key)); + BUILD_BUG_ON(sizeof(status->bigtk[status_idx].ipn) < + sizeof(data[data_idx].ipn)); + + memcpy(status->bigtk[status_idx].key, data[data_idx].key, + sizeof(data[data_idx].key)); + memcpy(status->bigtk[status_idx].ipn, data[data_idx].ipn, + sizeof(data[data_idx].ipn)); + status_idx++; + } +} + +static void iwl_mvm_parse_wowlan_info_notif(struct iwl_mvm *mvm, + struct iwl_wowlan_info_notif_v5 *data, + struct iwl_wowlan_status_data *status, + u32 len) +{ + if (IWL_FW_CHECK(mvm, data->num_mlo_link_keys, + "MLO is not supported, shouldn't receive MLO keys\n")) + return; + + if (len < sizeof(*data)) { + IWL_ERR(mvm, "Invalid WoWLAN info notification!\n"); + status = NULL; + return; + } + + if (mvm->fast_resume) + return; + + iwl_mvm_convert_key_counters_v5(status, &data->gtk[0].sc); + iwl_mvm_convert_gtk_v3(status, data->gtk); + iwl_mvm_convert_igtk(status, &data->igtk[0]); + iwl_mvm_convert_bigtk(status, data->bigtk); + status->replay_ctr = le64_to_cpu(data->replay_ctr); + status->pattern_number = le16_to_cpu(data->pattern_number); + status->tid_offloaded_tx = data->tid_offloaded_tx; + if (IWL_FW_CHECK(mvm, + data->tid_offloaded_tx >= + ARRAY_SIZE(status->qos_seq_ctr), + "tid_offloaded_tx is out of bound %d\n", + data->tid_offloaded_tx)) + data->tid_offloaded_tx = 0; + status->qos_seq_ctr[data->tid_offloaded_tx] = + le16_to_cpu(data->qos_seq_ctr); + status->wakeup_reasons = le32_to_cpu(data->wakeup_reasons); + status->num_of_gtk_rekeys = + le32_to_cpu(data->num_of_gtk_rekeys); + status->received_beacons = le32_to_cpu(data->received_beacons); + status->tid_tear_down = data->tid_tear_down; +} + +static void +iwl_mvm_parse_wowlan_info_notif_v3(struct iwl_mvm *mvm, + struct iwl_wowlan_info_notif_v3 *data, + struct iwl_wowlan_status_data *status, + u32 len) +{ + u32 i; + + if (len < sizeof(*data)) { + IWL_ERR(mvm, "Invalid WoWLAN info notification!\n"); + status = NULL; + return; + } + + if (mvm->fast_resume) + return; + + iwl_mvm_convert_key_counters_v5(status, &data->gtk[0].sc); + iwl_mvm_convert_gtk_v3(status, data->gtk); + iwl_mvm_convert_igtk(status, &data->igtk[0]); + iwl_mvm_convert_bigtk(status, data->bigtk); + status->replay_ctr = le64_to_cpu(data->replay_ctr); + status->pattern_number = le16_to_cpu(data->pattern_number); + for (i = 0; i < IWL_MAX_TID_COUNT; i++) + status->qos_seq_ctr[i] = + le16_to_cpu(data->qos_seq_ctr[i]); + status->wakeup_reasons = le32_to_cpu(data->wakeup_reasons); + status->num_of_gtk_rekeys = + le32_to_cpu(data->num_of_gtk_rekeys); + status->received_beacons = le32_to_cpu(data->received_beacons); + status->tid_tear_down = data->tid_tear_down; +} + +static void +iwl_mvm_parse_wowlan_info_notif_v1(struct iwl_mvm *mvm, + struct iwl_wowlan_info_notif_v1 *data, + struct iwl_wowlan_status_data *status, + u32 len) +{ + u32 i; + + if (len < sizeof(*data)) { + IWL_ERR(mvm, "Invalid WoWLAN info notification!\n"); + status = NULL; + return; + } + + iwl_mvm_convert_key_counters_v5(status, &data->gtk[0].sc); + iwl_mvm_convert_gtk_v3(status, data->gtk); + iwl_mvm_convert_igtk(status, &data->igtk[0]); + status->replay_ctr = le64_to_cpu(data->replay_ctr); + status->pattern_number = le16_to_cpu(data->pattern_number); + for (i = 0; i < IWL_MAX_TID_COUNT; i++) + status->qos_seq_ctr[i] = + le16_to_cpu(data->qos_seq_ctr[i]); + status->wakeup_reasons = le32_to_cpu(data->wakeup_reasons); + status->num_of_gtk_rekeys = + le32_to_cpu(data->num_of_gtk_rekeys); + status->received_beacons = le32_to_cpu(data->received_beacons); + status->tid_tear_down = data->tid_tear_down; +} + +/* Occasionally, templates would be nice. This is one of those times ... */ +#define iwl_mvm_parse_wowlan_status_common(_ver) \ +static struct iwl_wowlan_status_data * \ +iwl_mvm_parse_wowlan_status_common_ ## _ver(struct iwl_mvm *mvm, \ + struct iwl_wowlan_status_ ##_ver *data,\ + int len) \ +{ \ + struct iwl_wowlan_status_data *status; \ + int data_size, i; \ + \ + if (len < sizeof(*data)) { \ + IWL_ERR(mvm, "Invalid WoWLAN status response!\n"); \ + return NULL; \ + } \ + \ + 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 NULL; \ + } \ + \ + status = kzalloc(sizeof(*status), GFP_KERNEL); \ + if (!status) \ + return NULL; \ + \ + /* copy all the common fields */ \ + status->replay_ctr = le64_to_cpu(data->replay_ctr); \ + status->pattern_number = le16_to_cpu(data->pattern_number); \ + status->non_qos_seq_ctr = le16_to_cpu(data->non_qos_seq_ctr); \ + for (i = 0; i < 8; i++) \ + status->qos_seq_ctr[i] = \ + le16_to_cpu(data->qos_seq_ctr[i]); \ + status->wakeup_reasons = le32_to_cpu(data->wakeup_reasons); \ + status->num_of_gtk_rekeys = \ + le32_to_cpu(data->num_of_gtk_rekeys); \ + status->received_beacons = le32_to_cpu(data->received_beacons); \ + status->wake_packet_length = \ + le32_to_cpu(data->wake_packet_length); \ + status->wake_packet_bufsize = \ + le32_to_cpu(data->wake_packet_bufsize); \ + if (status->wake_packet_bufsize) { \ + status->wake_packet = \ + kmemdup(data->wake_packet, \ + status->wake_packet_bufsize, \ + GFP_KERNEL); \ + if (!status->wake_packet) { \ + kfree(status); \ + return NULL; \ + } \ + } else { \ + status->wake_packet = NULL; \ + } \ + \ + return status; \ +} + +iwl_mvm_parse_wowlan_status_common(v6) +iwl_mvm_parse_wowlan_status_common(v7) + +static struct iwl_wowlan_status_data * +iwl_mvm_send_wowlan_get_status(struct iwl_mvm *mvm, u8 sta_id) { - struct iwl_wowlan_status *v7, *status; + struct iwl_wowlan_status_data *status; + struct iwl_wowlan_get_status_cmd get_status_cmd = { + .sta_id = cpu_to_le32(sta_id), + }; struct iwl_host_cmd cmd = { .id = WOWLAN_GET_STATUSES, .flags = CMD_WANT_SKB, + .data = { &get_status_cmd, }, + .len = { sizeof(get_status_cmd), }, }; - int ret, len, status_size; + int ret, len; + u8 notif_ver; + u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd.id, + IWL_FW_CMD_VER_UNKNOWN); + + if (cmd_ver == IWL_FW_CMD_VER_UNKNOWN) + cmd.len[0] = 0; lockdep_assert_held(&mvm->mutex); @@ -1553,196 +2326,141 @@ struct iwl_wowlan_status *iwl_mvm_send_wowlan_get_status(struct iwl_mvm *mvm) return ERR_PTR(ret); } - 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; - int data_size; - - status_size = sizeof(*v6); - len = iwl_rx_packet_payload_len(cmd.resp_pkt); - - if (len < status_size) { - IWL_ERR(mvm, "Invalid WoWLAN status response!\n"); - status = ERR_PTR(-EIO); - goto out_free_resp; - } + len = iwl_rx_packet_payload_len(cmd.resp_pkt); - data_size = ALIGN(le32_to_cpu(v6->wake_packet_bufsize), 4); + /* default to 7 (when we have IWL_UCODE_TLV_API_WOWLAN_KEY_MATERIAL) */ + notif_ver = iwl_mvm_lookup_wowlan_status_ver(mvm); - if (len != (status_size + data_size)) { - IWL_ERR(mvm, "Invalid WoWLAN status response!\n"); - status = ERR_PTR(-EIO); - goto out_free_resp; - } + if (notif_ver < 7) { + struct iwl_wowlan_status_v6 *v6 = (void *)cmd.resp_pkt->data; - status = kzalloc(sizeof(*status) + data_size, GFP_KERNEL); + status = iwl_mvm_parse_wowlan_status_common_v6(mvm, v6, len); if (!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)); + BUILD_BUG_ON(NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY + + sizeof(v6->gtk.tkip_mic_key) > + sizeof(status->gtk[0].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, + memcpy(status->gtk[0].key + NL80211_TKIP_DATA_OFFSET_RX_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)); + + iwl_mvm_convert_key_counters(status, &v6->gtk.rsc.all_tsc_rsc, + v6->gtk.key_index); /* hardcode the key length to 16 since v6 only supports 16 */ - status->gtk[0].key_len = 16; + status->gtk[0].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); - - status->replay_ctr = v6->replay_ctr; + status->gtk[0].flags = v6->gtk.key_index | BIT(7); + status->gtk[0].id = v6->gtk.key_index; + } else if (notif_ver == 7) { + struct iwl_wowlan_status_v7 *v7 = (void *)cmd.resp_pkt->data; - /* everything starting from pattern_number is identical */ - memcpy(&status->pattern_number, &v6->pattern_number, - offsetof(struct iwl_wowlan_status, wake_packet) - - offsetof(struct iwl_wowlan_status, pattern_number) + - data_size); - - goto out_free_resp; - } - - v7 = (void *)cmd.resp_pkt->data; - status_size = sizeof(*v7); - len = iwl_rx_packet_payload_len(cmd.resp_pkt); - - if (len < status_size) { - IWL_ERR(mvm, "Invalid WoWLAN status response!\n"); - status = ERR_PTR(-EIO); - goto out_free_resp; - } + status = iwl_mvm_parse_wowlan_status_common_v7(mvm, v7, len); + if (!status) + goto out_free_resp; - if (len != (status_size + - ALIGN(le32_to_cpu(v7->wake_packet_bufsize), 4))) { - IWL_ERR(mvm, "Invalid WoWLAN status response!\n"); - status = ERR_PTR(-EIO); - goto out_free_resp; + iwl_mvm_convert_key_counters(status, &v7->gtk[0].rsc.all_tsc_rsc, + v7->gtk[0].key_flags & IWL_WOWLAN_GTK_IDX_MASK); + iwl_mvm_convert_gtk_v2(status, &v7->gtk[0]); + iwl_mvm_convert_igtk(status, &v7->igtk[0]); + } else { + IWL_ERR(mvm, + "Firmware advertises unknown WoWLAN status response %d!\n", + notif_ver); + status = NULL; } - status = kmemdup(v7, len, GFP_KERNEL); - 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); - - return iwl_mvm_send_wowlan_get_status(mvm); -} - /* releases the MVM mutex */ static bool iwl_mvm_query_wakeup_reasons(struct iwl_mvm *mvm, - struct ieee80211_vif *vif) + struct ieee80211_vif *vif, + struct iwl_wowlan_status_data *status) { - struct iwl_wowlan_status_data status; - struct iwl_wowlan_status *fw_status; int i; - bool keep; + bool keep = false; struct iwl_mvm_sta *mvm_ap_sta; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + int link_id = vif->active_links ? __ffs(vif->active_links) : 0; + struct iwl_mvm_vif_link_info *mvm_link = mvmvif->link[link_id]; + int wowlan_info_ver = iwl_fw_lookup_notif_ver(mvm->fw, + PROT_OFFLOAD_GROUP, + WOWLAN_INFO_NOTIFICATION, + IWL_FW_CMD_VER_UNKNOWN); + + if (WARN_ON(!mvm_link)) + goto out_unlock; - fw_status = iwl_mvm_get_wakeup_status(mvm); - if (IS_ERR_OR_NULL(fw_status)) + if (!status) goto out_unlock; - status.pattern_number = le16_to_cpu(fw_status->pattern_number); - for (i = 0; i < 8; i++) - status.qos_seq_ctr[i] = - le16_to_cpu(fw_status->qos_seq_ctr[i]); - status.wakeup_reasons = le32_to_cpu(fw_status->wakeup_reasons); - status.wake_packet_length = - le32_to_cpu(fw_status->wake_packet_length); - status.wake_packet_bufsize = - le32_to_cpu(fw_status->wake_packet_bufsize); - status.wake_packet = fw_status->wake_packet; - - /* still at hard-coded place 0 for D3 image */ - mvm_ap_sta = iwl_mvm_sta_from_staid_protected(mvm, 0); + IWL_DEBUG_WOWLAN(mvm, "wakeup reason 0x%x\n", + status->wakeup_reasons); + + mvm_ap_sta = iwl_mvm_sta_from_staid_protected(mvm, mvm_link->ap_sta_id); if (!mvm_ap_sta) - goto out_free; + goto out_unlock; - for (i = 0; i < IWL_MAX_TID_COUNT; i++) { - u16 seq = status.qos_seq_ctr[i]; - /* firmware stores last-used value, we store next value */ - seq += 0x10; - mvm_ap_sta->tid_data[i].seq_number = seq; + /* firmware stores last-used value, we store next value */ + if (wowlan_info_ver >= 5) { + mvm_ap_sta->tid_data[status->tid_offloaded_tx].seq_number = + status->qos_seq_ctr[status->tid_offloaded_tx] + 0x10; + } else { + for (i = 0; i < IWL_MAX_TID_COUNT; i++) + mvm_ap_sta->tid_data[i].seq_number = + status->qos_seq_ctr[i] + 0x10; } - /* now we have all the data we need, unlock to avoid mac80211 issues */ - mutex_unlock(&mvm->mutex); - - iwl_mvm_report_wakeup_reasons(mvm, vif, &status); + if (mvm->trans->mac_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); + } - keep = iwl_mvm_setup_connection_keep(mvm, vif, fw_status); + iwl_mvm_report_wakeup_reasons(mvm, vif, status); - kfree(fw_status); - return keep; - -out_free: - kfree(fw_status); + keep = iwl_mvm_setup_connection_keep(mvm, vif, status); out_unlock: mutex_unlock(&mvm->mutex); - return false; + return keep; } -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 { +struct iwl_mvm_nd_results { u32 matched_profiles; - struct iwl_scan_offload_profile_match matches[IWL_SCAN_MAX_PROFILES]; + u8 matches[ND_QUERY_BUF_LEN]; }; static int iwl_mvm_netdetect_query_results(struct iwl_mvm *mvm, - struct iwl_mvm_nd_query_results *results) + struct iwl_mvm_nd_results *results) { - struct iwl_scan_offload_profiles_query *query; + struct iwl_scan_offload_match_info *query; struct iwl_host_cmd cmd = { .id = SCAN_OFFLOAD_PROFILES_QUERY_CMD, .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) { @@ -1750,8 +2468,19 @@ iwl_mvm_netdetect_query_results(struct iwl_mvm *mvm, return ret; } + if (fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_SCAN_OFFLOAD_CHANS)) { + query_len = sizeof(struct iwl_scan_offload_match_info); + 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; @@ -1760,7 +2489,7 @@ iwl_mvm_netdetect_query_results(struct iwl_mvm *mvm, 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); @@ -1771,25 +2500,103 @@ out_free_resp: return ret; } +static int iwl_mvm_query_num_match_chans(struct iwl_mvm *mvm, + struct iwl_mvm_nd_results *results, + 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 = + (void *)results->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 = + (void *)results->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_results *results, + struct cfg80211_wowlan_nd_match *match, + int idx) +{ + int i; + int n_channels = 0; + + if (fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_SCAN_OFFLOAD_CHANS)) { + struct iwl_scan_offload_profile_match *matches = + (void *)results->matches; + + for (i = 0; i < SCAN_OFFLOAD_MATCHING_CHANNELS_LEN * 8; i++) + if (matches[idx].matching_channels[i / 8] & (BIT(i % 8))) + match->channels[n_channels++] = + mvm->nd_channels[i]->center_freq; + } else { + struct iwl_scan_offload_profile_match_v1 *matches = + (void *)results->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[n_channels++] = + mvm->nd_channels[i]->center_freq; + } + /* We may have ended up with fewer channels than we allocated. */ + match->n_channels = n_channels; +} + +/** + * enum iwl_d3_notif - d3 notifications + * @IWL_D3_NOTIF_WOWLAN_INFO: WOWLAN_INFO_NOTIF was received + * @IWL_D3_NOTIF_WOWLAN_WAKE_PKT: WOWLAN_WAKE_PKT_NOTIF was received + * @IWL_D3_NOTIF_PROT_OFFLOAD: PROT_OFFLOAD_NOTIF was received + * @IWL_D3_ND_MATCH_INFO: OFFLOAD_MATCH_INFO_NOTIF was received + * @IWL_D3_NOTIF_D3_END_NOTIF: D3_END_NOTIF was received + */ +enum iwl_d3_notif { + IWL_D3_NOTIF_WOWLAN_INFO = BIT(0), + IWL_D3_NOTIF_WOWLAN_WAKE_PKT = BIT(1), + IWL_D3_NOTIF_PROT_OFFLOAD = BIT(2), + IWL_D3_ND_MATCH_INFO = BIT(3), + IWL_D3_NOTIF_D3_END_NOTIF = BIT(4) +}; + +/* manage d3 resume data */ +struct iwl_d3_data { + struct iwl_wowlan_status_data *status; + u32 d3_end_flags; + u32 notif_expected; /* bitmap - see &enum iwl_d3_notif */ + u32 notif_received; /* bitmap - see &enum iwl_d3_notif */ + struct iwl_mvm_nd_results *nd_results; + bool nd_results_valid; +}; + static void iwl_mvm_query_netdetect_reasons(struct iwl_mvm *mvm, - struct ieee80211_vif *vif) + struct ieee80211_vif *vif, + struct iwl_d3_data *d3_data) { struct cfg80211_wowlan_nd_info *net_detect = NULL; struct cfg80211_wowlan_wakeup wakeup = { .pattern_idx = -1, }; struct cfg80211_wowlan_wakeup *wakeup_report = &wakeup; - struct iwl_mvm_nd_query_results query; - 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); - if (!IS_ERR_OR_NULL(fw_status)) { - reasons = le32_to_cpu(fw_status->wakeup_reasons); - kfree(fw_status); - } + if (WARN_ON(!d3_data || !d3_data->status)) + goto out; + + reasons = d3_data->status->wakeup_reasons; if (reasons & IWL_WOWLAN_WAKEUP_BY_RFKILL_DEASSERTED) wakeup.rfkill_release = true; @@ -1797,13 +2604,22 @@ static void iwl_mvm_query_netdetect_reasons(struct iwl_mvm *mvm, if (reasons != IWL_WOWLAN_WAKEUP_BY_NON_WIRELESS) goto out; - ret = iwl_mvm_netdetect_query_results(mvm, &query); - if (ret || !query.matched_profiles) { + if (!iwl_fw_lookup_notif_ver(mvm->fw, PROT_OFFLOAD_GROUP, + WOWLAN_INFO_NOTIFICATION, 0)) { + IWL_INFO(mvm, "Query FW for ND results\n"); + ret = iwl_mvm_netdetect_query_results(mvm, d3_data->nd_results); + + } else { + IWL_INFO(mvm, "Notification based ND results\n"); + ret = d3_data->nd_results_valid ? 0 : -1; + } + + if (ret || !d3_data->nd_results->matched_profiles) { wakeup_report = NULL; goto out; } - matched_profiles = query.matched_profiles; + matched_profiles = d3_data->nd_results->matched_profiles; if (mvm->n_nd_match_sets) { n_matches = hweight_long(matched_profiles); } else { @@ -1815,23 +2631,24 @@ static void iwl_mvm_query_netdetect_reasons(struct iwl_mvm *mvm, GFP_KERNEL); if (!net_detect || !n_matches) goto out_report_nd; + net_detect->n_matches = n_matches; + n_matches = 0; 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]; - - for (j = 0; j < SCAN_OFFLOAD_MATCHING_CHANNELS_LEN; j++) - n_channels += hweight8(fw_match->matching_channels[j]); + n_channels = iwl_mvm_query_num_match_chans(mvm, + d3_data->nd_results, + i); match = kzalloc(struct_size(match, channels, n_channels), GFP_KERNEL); if (!match) goto out_report_nd; + match->n_channels = n_channels; - net_detect->matches[net_detect->n_matches++] = match; + net_detect->matches[n_matches++] = match; /* We inverted the order of the SSIDs in the scan * request, so invert the index here. @@ -1844,11 +2661,10 @@ static void iwl_mvm_query_netdetect_reasons(struct iwl_mvm *mvm, 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, d3_data->nd_results, match, i); } + /* We may have fewer matches than we allocated. */ + net_detect->n_matches = n_matches; out_report_nd: wakeup.net_detect = net_detect; @@ -1865,163 +2681,522 @@ out: } } -static void iwl_mvm_read_d3_sram(struct iwl_mvm *mvm) +static void iwl_mvm_d3_disconnect_iter(void *data, u8 *mac, + struct ieee80211_vif *vif) { -#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; + /* skip the one we keep connection on */ + if (data == vif) + return; + + if (vif->type == NL80211_IFTYPE_STATION) + ieee80211_resume_disconnect(vif); +} + +enum rt_status { + FW_ALIVE, + FW_NEEDS_RESET, + FW_ERROR, +}; + +static enum rt_status iwl_mvm_check_rt_status(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + u32 err_id; + + /* check for lmac1 error */ + if (iwl_fwrt_read_err_table(mvm->trans, + mvm->trans->dbg.lmac_error_event_table[0], + &err_id)) { + if (err_id == RF_KILL_INDICATOR_FOR_WOWLAN) { + IWL_WARN(mvm, "Rfkill was toggled during suspend\n"); + if (vif) { + struct cfg80211_wowlan_wakeup wakeup = { + .rfkill_release = true, + }; + + ieee80211_report_wowlan_wakeup(vif, &wakeup, + GFP_KERNEL); + } + + return FW_NEEDS_RESET; + } + return FW_ERROR; + } + + /* check if we have lmac2 set and check for error */ + if (iwl_fwrt_read_err_table(mvm->trans, + mvm->trans->dbg.lmac_error_event_table[1], + NULL)) + return FW_ERROR; - if (!mvm->store_d3_resume_sram) + /* check for umac error */ + if (iwl_fwrt_read_err_table(mvm->trans, + mvm->trans->dbg.umac_error_event_table, + NULL)) + return FW_ERROR; + + return FW_ALIVE; +} + +/* + * This function assumes: + * 1. The mutex is already held. + * 2. The callee functions unlock the mutex. + */ +static bool +iwl_mvm_choose_query_wakeup_reasons(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct iwl_d3_data *d3_data) +{ + lockdep_assert_held(&mvm->mutex); + + /* if FW uses status notification, status shouldn't be NULL here */ + if (!d3_data->status) { + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + u8 sta_id = mvm->net_detect ? IWL_INVALID_STA : + mvmvif->deflink.ap_sta_id; + + /* bug - FW with MLO has status notification */ + WARN_ON(ieee80211_vif_is_mld(vif)); + + d3_data->status = iwl_mvm_send_wowlan_get_status(mvm, sta_id); + } + + if (mvm->net_detect) { + iwl_mvm_query_netdetect_reasons(mvm, vif, d3_data); + return false; + } + + return iwl_mvm_query_wakeup_reasons(mvm, vif, + d3_data->status); +} + +#define IWL_WOWLAN_WAKEUP_REASON_HAS_WAKEUP_PKT (IWL_WOWLAN_WAKEUP_BY_MAGIC_PACKET | \ + IWL_WOWLAN_WAKEUP_BY_PATTERN | \ + IWL_WAKEUP_BY_PATTERN_IPV4_TCP_SYN |\ + IWL_WAKEUP_BY_PATTERN_IPV4_TCP_SYN_WILDCARD |\ + IWL_WAKEUP_BY_PATTERN_IPV6_TCP_SYN |\ + IWL_WAKEUP_BY_PATTERN_IPV6_TCP_SYN_WILDCARD) + +static int iwl_mvm_wowlan_store_wake_pkt(struct iwl_mvm *mvm, + struct iwl_wowlan_wake_pkt_notif *notif, + struct iwl_wowlan_status_data *status, + u32 len) +{ + u32 data_size, packet_len = le32_to_cpu(notif->wake_packet_length); + + if (len < sizeof(*notif)) { + IWL_ERR(mvm, "Invalid WoWLAN wake packet notification!\n"); + return -EIO; + } + + if (WARN_ON(!status)) { + IWL_ERR(mvm, "Got wake packet notification but wowlan status data is NULL\n"); + return -EIO; + } + + if (WARN_ON(!(status->wakeup_reasons & + IWL_WOWLAN_WAKEUP_REASON_HAS_WAKEUP_PKT))) { + IWL_ERR(mvm, "Got wakeup packet but wakeup reason is %x\n", + status->wakeup_reasons); + return -EIO; + } + + data_size = len - offsetof(struct iwl_wowlan_wake_pkt_notif, wake_packet); + + /* data_size got the padding from the notification, remove it. */ + if (packet_len < data_size) + data_size = packet_len; + + status->wake_packet = kmemdup(notif->wake_packet, data_size, + GFP_ATOMIC); + + if (!status->wake_packet) + return -ENOMEM; + + status->wake_packet_length = packet_len; + status->wake_packet_bufsize = data_size; + + return 0; +} + +static void iwl_mvm_nd_match_info_handler(struct iwl_mvm *mvm, + struct iwl_d3_data *d3_data, + struct iwl_scan_offload_match_info *notif, + u32 len) +{ + struct iwl_wowlan_status_data *status = d3_data->status; + struct ieee80211_vif *vif = iwl_mvm_get_bss_vif(mvm); + struct iwl_mvm_nd_results *results = d3_data->nd_results; + size_t i, matches_len = sizeof(struct iwl_scan_offload_profile_match) * + iwl_umac_scan_get_max_profiles(mvm->fw); + + if (IS_ERR_OR_NULL(vif)) return; - if (!mvm->d3_resume_sram) { - mvm->d3_resume_sram = kzalloc(len, GFP_KERNEL); - if (!mvm->d3_resume_sram) - return; + if (len < sizeof(struct iwl_scan_offload_match_info)) { + IWL_ERR(mvm, "Invalid scan match info notification\n"); + return; + } + + if (!mvm->net_detect) { + IWL_ERR(mvm, "Unexpected scan match info notification\n"); + return; + } + + if (!status || status->wakeup_reasons != IWL_WOWLAN_WAKEUP_BY_NON_WIRELESS) { + IWL_ERR(mvm, + "Ignore scan match info notification: no reason\n"); + return; } - iwl_trans_read_mem_bytes(mvm->trans, offs, mvm->d3_resume_sram, len); +#ifdef CONFIG_IWLWIFI_DEBUGFS + mvm->last_netdetect_scans = le32_to_cpu(notif->n_scans_done); #endif + + results->matched_profiles = le32_to_cpu(notif->matched_profiles); + IWL_INFO(mvm, "number of matched profiles=%u\n", + results->matched_profiles); + + if (results->matched_profiles) { + memcpy(results->matches, notif->matches, matches_len); + d3_data->nd_results_valid = true; + } + + /* no scan should be active at this point */ + mvm->scan_status = 0; + for (i = 0; i < mvm->max_scans; i++) + mvm->scan_uid_status[i] = 0; } -static void iwl_mvm_d3_disconnect_iter(void *data, u8 *mac, - struct ieee80211_vif *vif) +static bool iwl_mvm_wait_d3_notif(struct iwl_notif_wait_data *notif_wait, + struct iwl_rx_packet *pkt, void *data) { - /* skip the one we keep connection on */ - if (data == vif) - return; + struct iwl_mvm *mvm = + container_of(notif_wait, struct iwl_mvm, notif_wait); + struct iwl_d3_data *d3_data = data; + u32 len = iwl_rx_packet_payload_len(pkt); + int ret; + int wowlan_info_ver = iwl_fw_lookup_notif_ver(mvm->fw, + PROT_OFFLOAD_GROUP, + WOWLAN_INFO_NOTIFICATION, + IWL_FW_CMD_VER_UNKNOWN); - if (vif->type == NL80211_IFTYPE_STATION) - ieee80211_resume_disconnect(vif); + + switch (WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd)) { + case WIDE_ID(PROT_OFFLOAD_GROUP, WOWLAN_INFO_NOTIFICATION): { + + if (d3_data->notif_received & IWL_D3_NOTIF_WOWLAN_INFO) { + /* We might get two notifications due to dual bss */ + IWL_DEBUG_WOWLAN(mvm, + "Got additional wowlan info notification\n"); + break; + } + + if (wowlan_info_ver == 1) { + struct iwl_wowlan_info_notif_v1 *notif_v1 = + (void *)pkt->data; + + iwl_mvm_parse_wowlan_info_notif_v1(mvm, notif_v1, + d3_data->status, + len); + } else if (wowlan_info_ver == 3) { + struct iwl_wowlan_info_notif_v3 *notif = + (void *)pkt->data; + + iwl_mvm_parse_wowlan_info_notif_v3(mvm, notif, + d3_data->status, len); + } else if (wowlan_info_ver == 5) { + struct iwl_wowlan_info_notif_v5 *notif = + (void *)pkt->data; + + iwl_mvm_parse_wowlan_info_notif(mvm, notif, + d3_data->status, len); + } else { + IWL_FW_CHECK(mvm, 1, + "Firmware advertises unknown WoWLAN info notification %d!\n", + wowlan_info_ver); + return false; + } + + d3_data->notif_received |= IWL_D3_NOTIF_WOWLAN_INFO; + + if (d3_data->status && + d3_data->status->wakeup_reasons & IWL_WOWLAN_WAKEUP_REASON_HAS_WAKEUP_PKT) + /* We are supposed to get also wake packet notif */ + d3_data->notif_expected |= IWL_D3_NOTIF_WOWLAN_WAKE_PKT; + + break; + } + case WIDE_ID(PROT_OFFLOAD_GROUP, WOWLAN_WAKE_PKT_NOTIFICATION): { + struct iwl_wowlan_wake_pkt_notif *notif = (void *)pkt->data; + + if (d3_data->notif_received & IWL_D3_NOTIF_WOWLAN_WAKE_PKT) { + /* We shouldn't get two wake packet notifications */ + IWL_ERR(mvm, + "Got additional wowlan wake packet notification\n"); + } else { + d3_data->notif_received |= IWL_D3_NOTIF_WOWLAN_WAKE_PKT; + len = iwl_rx_packet_payload_len(pkt); + ret = iwl_mvm_wowlan_store_wake_pkt(mvm, notif, + d3_data->status, + len); + if (ret) + IWL_ERR(mvm, + "Can't parse WOWLAN_WAKE_PKT_NOTIFICATION\n"); + } + + break; + } + case WIDE_ID(SCAN_GROUP, OFFLOAD_MATCH_INFO_NOTIF): { + struct iwl_scan_offload_match_info *notif = (void *)pkt->data; + + if (d3_data->notif_received & IWL_D3_ND_MATCH_INFO) { + IWL_ERR(mvm, + "Got additional netdetect match info\n"); + break; + } + + d3_data->notif_received |= IWL_D3_ND_MATCH_INFO; + + /* explicitly set this in the 'expected' as well */ + d3_data->notif_expected |= IWL_D3_ND_MATCH_INFO; + + len = iwl_rx_packet_payload_len(pkt); + iwl_mvm_nd_match_info_handler(mvm, d3_data, notif, len); + break; + } + case WIDE_ID(PROT_OFFLOAD_GROUP, D3_END_NOTIFICATION): { + struct iwl_d3_end_notif *notif = (void *)pkt->data; + + d3_data->d3_end_flags = __le32_to_cpu(notif->flags); + d3_data->notif_received |= IWL_D3_NOTIF_D3_END_NOTIF; + + break; + } + default: + WARN_ON(1); + } + + return d3_data->notif_received == d3_data->notif_expected; } -static int iwl_mvm_check_rt_status(struct iwl_mvm *mvm, - struct ieee80211_vif *vif) +static int iwl_mvm_resume_firmware(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; + int ret; + struct iwl_host_cmd cmd = { + .id = D0I3_END_CMD, + .flags = CMD_WANT_SKB, + }; + bool reset = fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); - iwl_trans_read_mem_bytes(mvm->trans, base, - &err_info, sizeof(err_info)); + ret = iwl_trans_d3_resume(mvm->trans, !reset); + if (ret) + return ret; - if (err_info.valid && - 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); + /* + * We should trigger resume flow using command only for 22000 family + * AX210 and above don't need the command since they have + * the doorbell interrupt. + */ + if (mvm->trans->mac_cfg->device_family <= IWL_DEVICE_FAMILY_22000 && + fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_D0I3_END_FIRST)) { + ret = iwl_mvm_send_cmd(mvm, &cmd); + if (ret < 0) + IWL_ERR(mvm, "Failed to send D0I3_END_CMD first (%d)\n", + ret); + } + + return ret; +} + +#define IWL_MVM_D3_NOTIF_TIMEOUT (HZ / 3) + +static int iwl_mvm_d3_notif_wait(struct iwl_mvm *mvm, + struct iwl_d3_data *d3_data) +{ + static const u16 d3_resume_notif[] = { + WIDE_ID(PROT_OFFLOAD_GROUP, WOWLAN_INFO_NOTIFICATION), + WIDE_ID(PROT_OFFLOAD_GROUP, WOWLAN_WAKE_PKT_NOTIFICATION), + WIDE_ID(SCAN_GROUP, OFFLOAD_MATCH_INFO_NOTIF), + WIDE_ID(PROT_OFFLOAD_GROUP, D3_END_NOTIFICATION) + }; + static const u16 d3_fast_resume_notif[] = { + WIDE_ID(PROT_OFFLOAD_GROUP, D3_END_NOTIFICATION) + }; + struct iwl_notification_wait wait_d3_notif; + int ret; + + if (mvm->fast_resume) + iwl_init_notification_wait(&mvm->notif_wait, &wait_d3_notif, + d3_fast_resume_notif, + ARRAY_SIZE(d3_fast_resume_notif), + iwl_mvm_wait_d3_notif, d3_data); + else + iwl_init_notification_wait(&mvm->notif_wait, &wait_d3_notif, + d3_resume_notif, + ARRAY_SIZE(d3_resume_notif), + iwl_mvm_wait_d3_notif, d3_data); + + ret = iwl_mvm_resume_firmware(mvm); + if (ret) { + iwl_remove_notification(&mvm->notif_wait, &wait_d3_notif); + return ret; } - return err_info.valid; + + return iwl_wait_notification(&mvm->notif_wait, &wait_d3_notif, + IWL_MVM_D3_NOTIF_TIMEOUT); } -static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test) +static inline bool iwl_mvm_d3_resume_notif_based(struct iwl_mvm *mvm) +{ + return iwl_fw_lookup_notif_ver(mvm->fw, PROT_OFFLOAD_GROUP, + WOWLAN_INFO_NOTIFICATION, 0) && + iwl_fw_lookup_notif_ver(mvm->fw, PROT_OFFLOAD_GROUP, + WOWLAN_WAKE_PKT_NOTIFICATION, 0) && + iwl_fw_lookup_notif_ver(mvm->fw, PROT_OFFLOAD_GROUP, + D3_END_NOTIFICATION, 0); +} + +static int __iwl_mvm_resume(struct iwl_mvm *mvm) { struct ieee80211_vif *vif = NULL; int ret = 1; - enum iwl_d3_status d3_status; - bool keep = false; + struct iwl_mvm_nd_results results = {}; + struct iwl_d3_data d3_data = { + .notif_expected = + IWL_D3_NOTIF_WOWLAN_INFO | + IWL_D3_NOTIF_D3_END_NOTIF, + .nd_results_valid = false, + .nd_results = &results, + }; bool unified_image = fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); bool d0i3_first = fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_D0I3_END_FIRST); + bool resume_notif_based = iwl_mvm_d3_resume_notif_based(mvm); + enum rt_status rt_status; + bool keep = false; mutex_lock(&mvm->mutex); + /* Apparently, the device went away and device_powered_off() was called, + * don't even try to read the rt_status, the device is currently + * inaccessible. + */ + if (!test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status)) { + IWL_INFO(mvm, + "Can't resume, device_powered_off() was called during wowlan\n"); + goto err; + } + + mvm->last_reset_or_resume_time_jiffies = jiffies; + /* get the BSS vif pointer again */ vif = iwl_mvm_get_bss_vif(mvm); if (IS_ERR_OR_NULL(vif)) goto err; - ret = iwl_trans_d3_resume(mvm->trans, &d3_status, test, !unified_image); - if (ret) - goto err; - - if (d3_status != IWL_D3_STATUS_ALIVE) { - IWL_INFO(mvm, "Device was reset during suspend\n"); - goto err; - } - iwl_fw_dbg_read_d3_debug_data(&mvm->fwrt); - /* query SRAM first in case we want event logging */ - iwl_mvm_read_d3_sram(mvm); - - if (iwl_mvm_check_rt_status(mvm, vif)) { - set_bit(STATUS_FW_ERROR, &mvm->trans->status); - iwl_mvm_dump_nic_error_log(mvm); - iwl_fw_dbg_collect_desc(&mvm->fwrt, &iwl_dump_desc_assert, - false, 0); + + rt_status = iwl_mvm_check_rt_status(mvm, vif); + if (rt_status != FW_ALIVE) { + iwl_trans_notify_fw_error(mvm->trans); + if (rt_status == FW_ERROR) { + IWL_ERR(mvm, "FW Error occurred during suspend. Restarting.\n"); + 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; } - if (d0i3_first) { - ret = iwl_mvm_send_cmd_pdu(mvm, D0I3_END_CMD, 0, 0, NULL); - if (ret < 0) { - IWL_ERR(mvm, "Failed to send D0I3_END_CMD first (%d)\n", - ret); + if (resume_notif_based) { + d3_data.status = kzalloc(sizeof(*d3_data.status), GFP_KERNEL); + if (!d3_data.status) { + IWL_ERR(mvm, "Failed to allocate wowlan status\n"); + ret = -ENOMEM; goto err; } + + ret = iwl_mvm_d3_notif_wait(mvm, &d3_data); + if (ret) + goto err; + } else { + ret = iwl_mvm_resume_firmware(mvm); + if (ret < 0) + goto err; } + /* when reset is required we can't send these following commands */ + if (d3_data.d3_end_flags & IWL_D0I3_RESET_REQUIRE) + goto query_wakeup_reasons; + /* * Query the current location and source from the D3 firmware so we * 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 */ iwl_mvm_sar_select_profile(mvm, 1, 1); - if (mvm->net_detect) { + if (mvm->net_detect && unified_image) { /* If this is a non-unified image, we restart the FW, * so no need to stop the netdetect scan. If that * fails, continue and try to get the wake-up reasons, * but trigger a HW restart by keeping a failure code * in ret. */ - if (unified_image) - ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_NETDETECT, - false); - - iwl_mvm_query_netdetect_reasons(mvm, vif); - /* has unlocked the mutex, so skip that */ - goto out; - } else { - keep = iwl_mvm_query_wakeup_reasons(mvm, vif); -#ifdef CONFIG_IWLWIFI_DEBUGFS - if (keep) - mvm->keep_vif = vif; -#endif - /* has unlocked the mutex, so skip that */ - goto out_iterate; + ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_NETDETECT, + false); } +query_wakeup_reasons: + keep = iwl_mvm_choose_query_wakeup_reasons(mvm, vif, &d3_data); + /* has unlocked the mutex, so skip that */ + goto out; + err: - iwl_mvm_free_nd(mvm); mutex_unlock(&mvm->mutex); +out: + if (d3_data.status) + kfree(d3_data.status->wake_packet); + kfree(d3_data.status); + iwl_mvm_free_nd(mvm); -out_iterate: - if (!test) - ieee80211_iterate_active_interfaces_rtnl(mvm->hw, - IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_d3_disconnect_iter, keep ? vif : NULL); + if (!mvm->net_detect) + ieee80211_iterate_active_interfaces_mtx(mvm->hw, + IEEE80211_IFACE_ITER_NORMAL, + iwl_mvm_d3_disconnect_iter, + keep ? vif : NULL); + + clear_bit(IWL_MVM_STATUS_IN_D3, &mvm->status); -out: /* no need to reset the device in unified images, if successful */ if (unified_image && !ret) { /* nothing else to do if we already sent D0I3_END_CMD */ if (d0i3_first) return 0; - ret = iwl_mvm_send_cmd_pdu(mvm, D0I3_END_CMD, 0, 0, NULL); - if (!ret) + if (!iwl_fw_lookup_notif_ver(mvm->fw, PROT_OFFLOAD_GROUP, + D3_END_NOTIFICATION, 0)) { + ret = iwl_mvm_send_cmd_pdu(mvm, D0I3_END_CMD, 0, 0, NULL); + if (!ret) + return 0; + } else if (!(d3_data.d3_end_flags & IWL_D0I3_RESET_REQUIRE)) { return 0; + } } /* @@ -2030,75 +3205,16 @@ out: * 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; } -static int iwl_mvm_resume_d3(struct iwl_mvm *mvm) -{ - iwl_trans_resume(mvm->trans); - - 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); - - mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_DISABLED; + ret = __iwl_mvm_resume(mvm); iwl_mvm_resume_tcm(mvm); @@ -2114,124 +3230,74 @@ void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled) device_set_wakeup_enable(mvm->trans->dev, enabled); } -#ifdef CONFIG_IWLWIFI_DEBUGFS -static int iwl_mvm_d3_test_open(struct inode *inode, struct file *file) +void iwl_mvm_fast_suspend(struct iwl_mvm *mvm) { - struct iwl_mvm *mvm = inode->i_private; - int err; - - if (mvm->d3_test_active) - return -EBUSY; - - file->private_data = inode->i_private; + struct iwl_d3_manager_config d3_cfg_cmd_data = {}; + int ret; - ieee80211_stop_queues(mvm->hw); - synchronize_net(); + lockdep_assert_held(&mvm->mutex); - mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_D3; + IWL_DEBUG_WOWLAN(mvm, "Starting fast suspend flow\n"); - iwl_mvm_pause_tcm(mvm, true); + mvm->fast_resume = true; + set_bit(IWL_MVM_STATUS_IN_D3, &mvm->status); - iwl_fw_runtime_suspend(&mvm->fwrt); + WARN_ON(iwl_mvm_power_update_device(mvm)); + ret = iwl_mvm_send_cmd_pdu(mvm, D3_CONFIG_CMD, 0, + sizeof(d3_cfg_cmd_data), &d3_cfg_cmd_data); + if (ret) + IWL_ERR(mvm, + "fast suspend: couldn't send D3_CONFIG_CMD %d\n", ret); - /* start pseudo D3 */ - rtnl_lock(); - err = __iwl_mvm_suspend(mvm->hw, mvm->hw->wiphy->wowlan_config, true); - rtnl_unlock(); - if (err > 0) - err = -EINVAL; - if (err) { - ieee80211_wake_queues(mvm->hw); - return err; - } - mvm->d3_test_active = true; - mvm->keep_vif = NULL; - return 0; + ret = iwl_trans_d3_suspend(mvm->trans, false); + if (ret) + IWL_ERR(mvm, "fast suspend: trans_d3_suspend failed %d\n", ret); } -static ssize_t iwl_mvm_d3_test_read(struct file *file, char __user *user_buf, - size_t count, loff_t *ppos) +int iwl_mvm_fast_resume(struct iwl_mvm *mvm) { - struct iwl_mvm *mvm = file->private_data; - u32 pme_asserted; - - while (true) { - /* read pme_ptr if available */ - if (mvm->d3_test_pme_ptr) { - pme_asserted = iwl_trans_read_mem32(mvm->trans, - mvm->d3_test_pme_ptr); - if (pme_asserted) - break; - } - - if (msleep_interruptible(100)) - break; - } - - return 0; -} - -static void iwl_mvm_d3_test_disconn_work_iter(void *_data, u8 *mac, - struct ieee80211_vif *vif) -{ - /* skip the one we keep connection on */ - if (_data == vif) - return; - - if (vif->type == NL80211_IFTYPE_STATION) - ieee80211_connection_loss(vif); -} + struct iwl_d3_data d3_data = { + .notif_expected = + IWL_D3_NOTIF_D3_END_NOTIF, + }; + enum rt_status rt_status; + int ret; -static int iwl_mvm_d3_test_release(struct inode *inode, struct file *file) -{ - struct iwl_mvm *mvm = inode->i_private; - bool unified_image = fw_has_capa(&mvm->fw->ucode_capa, - IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); + lockdep_assert_held(&mvm->mutex); - mvm->d3_test_active = false; + IWL_DEBUG_WOWLAN(mvm, "Starting the fast resume flow\n"); + mvm->last_reset_or_resume_time_jiffies = jiffies; iwl_fw_dbg_read_d3_debug_data(&mvm->fwrt); - rtnl_lock(); - __iwl_mvm_resume(mvm, true); - rtnl_unlock(); - - iwl_mvm_resume_tcm(mvm); - - iwl_fw_runtime_resume(&mvm->fwrt); - - mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_DISABLED; - - iwl_abort_notification_waits(&mvm->notif_wait); - if (!unified_image) { - int remaining_time = 10; - - ieee80211_restart_hw(mvm->hw); - - /* wait for restart and disconnect all interfaces */ - while (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && - remaining_time > 0) { - remaining_time--; - msleep(1000); + rt_status = iwl_mvm_check_rt_status(mvm, NULL); + if (rt_status != FW_ALIVE) { + iwl_trans_notify_fw_error(mvm->trans); + if (rt_status == FW_ERROR) { + IWL_ERR(mvm, + "iwl_mvm_check_rt_status failed, device is gone during suspend\n"); + 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 = -ENODEV; - if (remaining_time == 0) - IWL_ERR(mvm, "Timed out waiting for HW restart!\n"); + goto out; } + ret = iwl_mvm_d3_notif_wait(mvm, &d3_data); - ieee80211_iterate_active_interfaces_atomic( - mvm->hw, IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_d3_test_disconn_work_iter, mvm->keep_vif); + if (ret) { + IWL_ERR(mvm, "Couldn't get the d3 notif %d\n", ret); + mvm->trans->state = IWL_TRANS_NO_FW; + } - ieee80211_wake_queues(mvm->hw); +out: + clear_bit(IWL_MVM_STATUS_IN_D3, &mvm->status); + mvm->fast_resume = false; - return 0; + return ret; } - -const struct file_operations iwl_dbgfs_d3_test_ops = { - .llseek = no_llseek, - .open = iwl_mvm_d3_test_open, - .read = iwl_mvm_d3_test_read, - .release = iwl_mvm_d3_test_release, -}; -#endif |