diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/ftm-responder.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/ftm-responder.c | 78 |
1 files changed, 76 insertions, 2 deletions
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); } |