From 80e6711919d4a13d00dfed185d850316b7f993ce Mon Sep 17 00:00:00 2001 From: Emmanuel Grumbach Date: Mon, 21 Jun 2021 10:37:33 +0300 Subject: [PATCH] iwlwifi: mvm: introduce iwl_wowlan_kek_kck_material_cmd_v4 We need to pass the station id to teach the firmware on which station id we want to configure the key material. Signed-off-by: Emmanuel Grumbach Signed-off-by: Luca Coelho Link: https://lore.kernel.org/r/iwlwifi.20210621103449.13417410e9ea.I140c16e70f8ac91cec7e8189e182e2f672c39258@changeid Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/api/d3.h | 13 +++++++++++ drivers/net/wireless/intel/iwlwifi/mvm/d3.c | 30 ++++++++++++++++++-------- 2 files changed, 34 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/d3.h b/drivers/net/wireless/intel/iwlwifi/fw/api/d3.h index 4dbf241..ea2bd34 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/d3.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/d3.h @@ -483,6 +483,19 @@ struct iwl_wowlan_kek_kck_material_cmd_v3 { __le32 bigtk_cipher; } __packed; /* KEK_KCK_MATERIAL_API_S_VER_3 */ +struct iwl_wowlan_kek_kck_material_cmd_v4 { + __le32 sta_id; + u8 kck[IWL_KCK_MAX_SIZE]; + u8 kek[IWL_KEK_MAX_SIZE]; + __le16 kck_len; + __le16 kek_len; + __le64 replay_ctr; + __le32 akm; + __le32 gtk_cipher; + __le32 igtk_cipher; + __le32 bigtk_cipher; +} __packed; /* KEK_KCK_MATERIAL_API_S_VER_4 */ + #define RF_KILL_INDICATOR_FOR_WOWLAN 0x87 enum iwl_wowlan_rekey_status { diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c index 8e5814a..0777a70 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c @@ -104,7 +104,7 @@ static const u8 *iwl_mvm_find_max_pn(struct ieee80211_key_conf *key, struct wowlan_key_data { struct iwl_wowlan_rsc_tsc_params_cmd *rsc_tsc; struct iwl_wowlan_tkip_params_cmd *tkip; - struct iwl_wowlan_kek_kck_material_cmd_v3 *kek_kck_cmd; + struct iwl_wowlan_kek_kck_material_cmd_v4 *kek_kck_cmd; bool error, use_rsc_tsc, use_tkip, configure_keys; int wep_key_idx; }; @@ -716,7 +716,8 @@ static int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, struct ieee80211_vif *vif, u32 cmd_flags) { - struct iwl_wowlan_kek_kck_material_cmd_v3 kek_kck_cmd = {}; + 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 iwl_wowlan_tkip_params_cmd tkip_cmd = {}; bool unified = fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); @@ -725,7 +726,7 @@ static int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, .use_rsc_tsc = false, .tkip = &tkip_cmd, .use_tkip = false, - .kek_kck_cmd = &kek_kck_cmd, + .kek_kck_cmd = _kek_kck_cmd, }; struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); int ret; @@ -819,13 +820,9 @@ static int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, IWL_ALWAYS_LONG_GROUP, WOWLAN_KEK_KCK_MATERIAL, IWL_FW_CMD_VER_UNKNOWN); - if (WARN_ON(cmd_ver != 2 && cmd_ver != 3 && + if (WARN_ON(cmd_ver != 2 && cmd_ver != 3 && cmd_ver != 4 && cmd_ver != IWL_FW_CMD_VER_UNKNOWN)) return -EINVAL; - if (cmd_ver == 3) - cmd_size = sizeof(struct iwl_wowlan_kek_kck_material_cmd_v3); - else - cmd_size = sizeof(struct iwl_wowlan_kek_kck_material_cmd_v2); memcpy(kek_kck_cmd.kck, mvmvif->rekey_data.kck, mvmvif->rekey_data.kck_len); @@ -835,6 +832,21 @@ static int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, 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(mvmvif->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); @@ -842,7 +854,7 @@ static int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_KEK_KCK_MATERIAL, cmd_flags, cmd_size, - &kek_kck_cmd); + _kek_kck_cmd); if (ret) goto out; } -- 2.7.4