diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-responder.c b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-responder.c index 0b6c32098b5a..179bd2bb0a82 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-responder.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-responder.c @@ -6,7 +6,7 @@ * GPL LICENSE SUMMARY * * Copyright(c) 2015 - 2017 Intel Deutschland GmbH - * Copyright (C) 2018 - 2019 Intel Corporation + * Copyright (C) 2018 - 2020 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 @@ -27,7 +27,7 @@ * BSD LICENSE * * Copyright(c) 2015 - 2017 Intel Deutschland GmbH - * Copyright (C) 2018 - 2019 Intel Corporation + * Copyright (C) 2018 - 2020 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -62,6 +62,12 @@ #include "mvm.h" #include "constants.h" +struct iwl_mvm_pasn_sta { + struct list_head list; + struct iwl_mvm_int_sta int_sta; + u8 addr[ETH_ALEN]; +}; + static int iwl_mvm_ftm_responder_set_bw_v1(struct cfg80211_chan_def *chandef, u8 *bw, u8 *ctrl_ch_position) { @@ -207,6 +213,62 @@ iwl_mvm_ftm_responder_dyn_cfg_cmd(struct iwl_mvm *mvm, return iwl_mvm_send_cmd(mvm, &hcmd); } +int iwl_mvm_ftm_respoder_add_pasn_sta(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + u8 *addr, u32 cipher, u8 *tk, u32 tk_len, + u8 *hltk, u32 hltk_len) +{ + int ret; + struct iwl_mvm_pasn_sta *sta; + + lockdep_assert_held(&mvm->mutex); + + sta = kmalloc(sizeof(*sta), GFP_KERNEL); + if (!sta) + return -ENOBUFS; + + ret = iwl_mvm_add_pasn_sta(mvm, vif, &sta->int_sta, addr, cipher, tk, + tk_len); + if (ret) { + kfree(sta); + return ret; + } + + // TODO: set the HLTK to fw + + memcpy(sta->addr, addr, ETH_ALEN); + list_add_tail(&sta->list, &mvm->resp_pasn_list); + return 0; +} + +static void iwl_mvm_resp_del_pasn_sta(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct iwl_mvm_pasn_sta *sta) +{ + list_del(&sta->list); + iwl_mvm_rm_sta_id(mvm, vif, sta->int_sta.sta_id); + iwl_mvm_dealloc_int_sta(mvm, &sta->int_sta); + kfree(sta); +} + +int iwl_mvm_ftm_resp_remove_pasn_sta(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, u8 *addr) +{ + struct iwl_mvm_pasn_sta *sta, *prev; + + lockdep_assert_held(&mvm->mutex); + + list_for_each_entry_safe(sta, prev, &mvm->resp_pasn_list, list) { + if (!memcmp(sta->addr, addr, ETH_ALEN)) { + iwl_mvm_resp_del_pasn_sta(mvm, vif, sta); + return 0; + } + } + + IWL_ERR(mvm, "FTM: PASN station %pM not found\n", addr); + return -EINVAL; +} + int iwl_mvm_ftm_start_responder(struct iwl_mvm *mvm, struct ieee80211_vif *vif) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); @@ -255,12 +317,24 @@ int iwl_mvm_ftm_start_responder(struct iwl_mvm *mvm, struct ieee80211_vif *vif) return ret; } +void iwl_mvm_ftm_responder_clear(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + struct iwl_mvm_pasn_sta *sta, *prev; + + lockdep_assert_held(&mvm->mutex); + + list_for_each_entry_safe(sta, prev, &mvm->resp_pasn_list, list) + iwl_mvm_resp_del_pasn_sta(mvm, vif, sta); +} + void iwl_mvm_ftm_restart_responder(struct iwl_mvm *mvm, struct ieee80211_vif *vif) { if (!vif->bss_conf.ftm_responder) return; + iwl_mvm_ftm_responder_clear(mvm, vif); iwl_mvm_ftm_start_responder(mvm, vif); } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index f9b261e36f2d..12f217f2d7b3 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -2633,6 +2633,8 @@ static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, iwl_mvm_update_quotas(mvm, false, NULL); + iwl_mvm_ftm_responder_clear(mvm, vif); + /* * This is not very nice, but the simplest: * For older FWs removing the mcast sta before the bcast station may diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index e2f7f6ec711e..f39be84aa279 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -1115,6 +1115,8 @@ struct iwl_mvm { int responses[IWL_MVM_TOF_MAX_APS]; } ftm_initiator; + struct list_head resp_pasn_list; + struct { u8 d0i3_resp; } cmd_ver; @@ -1996,6 +1998,14 @@ void iwl_mvm_ftm_restart_responder(struct iwl_mvm *mvm, struct ieee80211_vif *vif); void iwl_mvm_ftm_responder_stats(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); +int iwl_mvm_ftm_resp_remove_pasn_sta(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, u8 *addr); +int iwl_mvm_ftm_respoder_add_pasn_sta(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + u8 *addr, u32 cipher, u8 *tk, u32 tk_len, + u8 *hltk, u32 hltk_len); +void iwl_mvm_ftm_responder_clear(struct iwl_mvm *mvm, + struct ieee80211_vif *vif); /* FTM initiator */ void iwl_mvm_ftm_restart(struct iwl_mvm *mvm); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index d095ff847be9..e184a163946a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -695,6 +695,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, INIT_LIST_HEAD(&mvm->async_handlers_list); spin_lock_init(&mvm->time_event_lock); INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list); + INIT_LIST_HEAD(&mvm->resp_pasn_list); INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c index fc45ef4f6951..827e80ff5aa6 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c @@ -1997,7 +1997,7 @@ static int iwl_mvm_enable_aux_snif_queue_tvqm(struct iwl_mvm *mvm, u8 sta_id) } static int iwl_mvm_add_int_sta_with_queue(struct iwl_mvm *mvm, int macidx, - int maccolor, + int maccolor, u8 *addr, struct iwl_mvm_int_sta *sta, u16 *queue, int fifo) { @@ -2007,7 +2007,7 @@ static int iwl_mvm_add_int_sta_with_queue(struct iwl_mvm *mvm, int macidx, if (!iwl_mvm_has_new_tx_api(mvm)) iwl_mvm_enable_aux_snif_queue(mvm, *queue, sta->sta_id, fifo); - ret = iwl_mvm_add_int_sta_common(mvm, sta, NULL, macidx, maccolor); + ret = iwl_mvm_add_int_sta_common(mvm, sta, addr, macidx, maccolor); if (ret) { if (!iwl_mvm_has_new_tx_api(mvm)) iwl_mvm_disable_txq(mvm, NULL, *queue, @@ -2047,7 +2047,7 @@ int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm) if (ret) return ret; - ret = iwl_mvm_add_int_sta_with_queue(mvm, MAC_INDEX_AUX, 0, + ret = iwl_mvm_add_int_sta_with_queue(mvm, MAC_INDEX_AUX, 0, NULL, &mvm->aux_sta, &mvm->aux_queue, IWL_MVM_TX_FIFO_MCAST); if (ret) { @@ -2065,7 +2065,8 @@ int iwl_mvm_add_snif_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) lockdep_assert_held(&mvm->mutex); return iwl_mvm_add_int_sta_with_queue(mvm, mvmvif->id, mvmvif->color, - &mvm->snif_sta, &mvm->snif_queue, + NULL, &mvm->snif_sta, + &mvm->snif_queue, IWL_MVM_TX_FIFO_BE); } @@ -3903,3 +3904,43 @@ u16 iwl_mvm_tid_queued(struct iwl_mvm *mvm, struct iwl_mvm_tid_data *tid_data) return ieee80211_sn_sub(sn, tid_data->next_reclaimed); } + +int iwl_mvm_add_pasn_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct iwl_mvm_int_sta *sta, u8 *addr, u32 cipher, + u8 *key, u32 key_len) +{ + int ret; + u16 queue; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct ieee80211_key_conf *keyconf; + + ret = iwl_mvm_allocate_int_sta(mvm, sta, 0, + NL80211_IFTYPE_UNSPECIFIED, + IWL_STA_LINK); + if (ret) + return ret; + + ret = iwl_mvm_add_int_sta_with_queue(mvm, mvmvif->id, mvmvif->color, + addr, sta, &queue, + IWL_MVM_TX_FIFO_BE); + if (ret) + goto out; + + keyconf = kzalloc(sizeof(*keyconf) + key_len, GFP_KERNEL); + if (!keyconf) { + ret = -ENOBUFS; + goto out; + } + + keyconf->cipher = cipher; + memcpy(keyconf->key, key, key_len); + keyconf->keylen = key_len; + + ret = iwl_mvm_send_sta_key(mvm, sta->sta_id, keyconf, false, + 0, NULL, 0, 0, true); + kfree(keyconf); + return 0; +out: + iwl_mvm_dealloc_int_sta(mvm, sta); + return ret; +} diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h index da2d1ac01229..55dd2fb0a779 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h @@ -579,5 +579,8 @@ void iwl_mvm_modify_all_sta_disable_tx(struct iwl_mvm *mvm, bool disable); void iwl_mvm_csa_client_absent(struct iwl_mvm *mvm, struct ieee80211_vif *vif); void iwl_mvm_add_new_dqa_stream_wk(struct work_struct *wk); +int iwl_mvm_add_pasn_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct iwl_mvm_int_sta *sta, u8 *addr, u32 cipher, + u8 *key, u32 key_len); #endif /* __sta_h__ */