Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next (5171f7a0) · Commits · EulixOS / Software / Kernel

drivers/net/wireless/iwlwifi/dvm/commands.h

+18 −0

Original line number	Diff line number	Diff line
		@@ -3897,6 +3897,24 @@ struct iwlagn_wowlan_kek_kck_material_cmd {
		__le64 replay_ctr;
		} __packed;

		#define RF_KILL_INDICATOR_FOR_WOWLAN 0x87

		/*
		* REPLY_WOWLAN_GET_STATUS = 0xe5
		*/
		struct iwlagn_wowlan_status {
		__le64 replay_ctr;
		__le32 rekey_status;
		__le32 wakeup_reason;
		u8 pattern_number;
		u8 reserved1;
		__le16 qos_seq_ctr[8];
		__le16 non_qos_seq_ctr;
		__le16 reserved2;
		union iwlagn_all_tsc_rsc tsc_rsc;
		__le16 reserved3;
		} __packed;

		/*
		* REPLY_WIPAN_PARAMS = 0xb2 (Commands and Notification)
		*/

drivers/net/wireless/iwlwifi/dvm/mac80211.c

+132 −29

Original line number	Diff line number	Diff line
		@@ -441,52 +441,154 @@ static int iwlagn_mac_suspend(struct ieee80211_hw *hw,
		return ret;
		}

		struct iwl_resume_data {
		struct iwl_priv *priv;
		struct iwlagn_wowlan_status *cmd;
		bool valid;
		};

		static bool iwl_resume_status_fn(struct iwl_notif_wait_data *notif_wait,
		struct iwl_rx_packet pkt, void data)
		{
		struct iwl_resume_data *resume_data = data;
		struct iwl_priv *priv = resume_data->priv;
		u32 len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;

		if (len - 4 != sizeof(*resume_data->cmd)) {
		IWL_ERR(priv, "rx wrong size data\n");
		return true;
		}
		memcpy(resume_data->cmd, pkt->data, sizeof(*resume_data->cmd));
		resume_data->valid = true;

		return true;
		}

		static int iwlagn_mac_resume(struct ieee80211_hw *hw)
		{
		struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
		struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
		struct ieee80211_vif *vif;
		unsigned long flags;
		u32 base, status = 0xffffffff;
		int ret = -EIO;
		u32 base;
		int ret;
		enum iwl_d3_status d3_status;
		struct error_table_start {
		/* cf. struct iwl_error_event_table */
		u32 valid;
		u32 error_id;
		} err_info;
		struct iwl_notification_wait status_wait;
		static const u8 status_cmd[] = {
		REPLY_WOWLAN_GET_STATUS,
		};
		struct iwlagn_wowlan_status status_data = {};
		struct iwl_resume_data resume_data = {
		.priv = priv,
		.cmd = &status_data,
		.valid = false,
		};
		struct cfg80211_wowlan_wakeup wakeup = {
		.pattern_idx = -1,
		};
		#ifdef CONFIG_IWLWIFI_DEBUGFS
		const struct fw_img *img;
		#endif

		IWL_DEBUG_MAC80211(priv, "enter\n");
		mutex_lock(&priv->mutex);

		iwl_write32(priv->trans, CSR_UCODE_DRV_GP1_CLR,
		CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE);
		/* we'll clear ctx->vif during iwlagn_prepare_restart() */
		vif = ctx->vif;

		ret = iwl_trans_d3_resume(priv->trans, &d3_status);
		if (ret)
		goto out_unlock;

		if (d3_status != IWL_D3_STATUS_ALIVE) {
		IWL_INFO(priv, "Device was reset during suspend\n");
		goto out_unlock;
		}

		base = priv->device_pointers.error_event_table;
		if (iwlagn_hw_valid_rtc_data_addr(base)) {
		if (iwl_trans_grab_nic_access(priv->trans, true, &flags)) {
		iwl_write32(priv->trans, HBUS_TARG_MEM_RADDR, base);
		status = iwl_read32(priv->trans, HBUS_TARG_MEM_RDAT);
		iwl_trans_release_nic_access(priv->trans, &flags);
		ret = 0;
		if (!iwlagn_hw_valid_rtc_data_addr(base)) {
		IWL_WARN(priv, "Invalid error table during resume!\n");
		goto out_unlock;
		}

		#ifdef CONFIG_IWLWIFI_DEBUGFS
		if (ret == 0) {
		const struct fw_img *img;
		iwl_trans_read_mem_bytes(priv->trans, base,
		&err_info, sizeof(err_info));

		img = &(priv->fw->img[IWL_UCODE_WOWLAN]);
		if (!priv->wowlan_sram) {
		if (err_info.valid) {
		IWL_INFO(priv, "error table is valid (%d, 0x%x)\n",
		err_info.valid, err_info.error_id);
		if (err_info.error_id == RF_KILL_INDICATOR_FOR_WOWLAN) {
		wakeup.rfkill_release = true;
		ieee80211_report_wowlan_wakeup(vif, &wakeup,
		GFP_KERNEL);
		}
		goto out_unlock;
		}

		#ifdef CONFIG_IWLWIFI_DEBUGFS
		img = &priv->fw->img[IWL_UCODE_WOWLAN];
		if (!priv->wowlan_sram)
		priv->wowlan_sram =
		kzalloc(img->sec[IWL_UCODE_SECTION_DATA].len,
		GFP_KERNEL);
		}

		if (priv->wowlan_sram)
		iwl_trans_read_mem(
		priv->trans, 0x800000,
		iwl_trans_read_mem(priv->trans, 0x800000,
		priv->wowlan_sram,
		img->sec[IWL_UCODE_SECTION_DATA].len / 4);
		}
		#endif

		/*
		* This is very strange. The GET_STATUS command is sent but the device
		* doesn't reply properly, it seems it doesn't close the RBD so one is
		* always left open ... As a result, we need to send another command
		* and have to reset the driver afterwards. As we need to switch to
		* runtime firmware again that'll happen.
		*/

		iwl_init_notification_wait(&priv->notif_wait, &status_wait, status_cmd,
		ARRAY_SIZE(status_cmd), iwl_resume_status_fn,
		&resume_data);

		iwl_dvm_send_cmd_pdu(priv, REPLY_WOWLAN_GET_STATUS, CMD_ASYNC, 0, NULL);
		iwl_dvm_send_cmd_pdu(priv, REPLY_ECHO, CMD_ASYNC, 0, NULL);
		/* an RBD is left open in the firmware now! */

		ret = iwl_wait_notification(&priv->notif_wait, &status_wait, HZ/5);
		if (ret)
		goto out_unlock;

		if (resume_data.valid && priv->contexts[IWL_RXON_CTX_BSS].vif) {
		u32 reasons = le32_to_cpu(status_data.wakeup_reason);
		struct cfg80211_wowlan_wakeup *wakeup_report;

		IWL_INFO(priv, "WoWLAN wakeup reason(s): 0x%.8x\n", reasons);

		if (reasons) {
		if (reasons & IWLAGN_WOWLAN_WAKEUP_MAGIC_PACKET)
		wakeup.magic_pkt = true;
		if (reasons & IWLAGN_WOWLAN_WAKEUP_PATTERN_MATCH)
		wakeup.pattern_idx = status_data.pattern_number;
		if (reasons & (IWLAGN_WOWLAN_WAKEUP_BEACON_MISS \|
		IWLAGN_WOWLAN_WAKEUP_LINK_CHANGE))
		wakeup.disconnect = true;
		if (reasons & IWLAGN_WOWLAN_WAKEUP_GTK_REKEY_FAIL)
		wakeup.gtk_rekey_failure = true;
		if (reasons & IWLAGN_WOWLAN_WAKEUP_EAP_IDENT_REQ)
		wakeup.eap_identity_req = true;
		if (reasons & IWLAGN_WOWLAN_WAKEUP_4WAY_HANDSHAKE)
		wakeup.four_way_handshake = true;
		wakeup_report = &wakeup;
		} else {
		wakeup_report = NULL;
		}

		/* we'll clear ctx->vif during iwlagn_prepare_restart() */
		vif = ctx->vif;
		ieee80211_report_wowlan_wakeup(vif, wakeup_report, GFP_KERNEL);
		}

		priv->wowlan = false;

		@@ -496,6 +598,7 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw)
		iwl_connection_init_rx_config(priv, ctx);
		iwlagn_set_rxon_chain(priv, ctx);

		out_unlock:
		mutex_unlock(&priv->mutex);
		IWL_DEBUG_MAC80211(priv, "leave\n");

drivers/net/wireless/iwlwifi/dvm/rx.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -790,7 +790,7 @@ static void iwlagn_pass_packet_to_mac80211(struct iwl_priv *priv,

		memcpy(IEEE80211_SKB_RXCB(skb), stats, sizeof(*stats));

		ieee80211_rx(priv->hw, skb);
		ieee80211_rx_ni(priv->hw, skb);
		}

		static u32 iwlagn_translate_rx_status(struct iwl_priv *priv, u32 decrypt_in)

drivers/net/wireless/iwlwifi/dvm/rxon.c

+2 −3

Original line number	Diff line number	Diff line
		@@ -1545,10 +1545,9 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
		bss_conf->bssid);
		}

		if (changes & BSS_CHANGED_BEACON && vif->type == NL80211_IFTYPE_ADHOC &&
		priv->beacon_ctx) {
		if (changes & BSS_CHANGED_BEACON && priv->beacon_ctx == ctx) {
		if (iwlagn_update_beacon(priv, vif))
		IWL_ERR(priv, "Error sending IBSS beacon\n");
		IWL_ERR(priv, "Error updating beacon\n");
		}

		mutex_unlock(&priv->mutex);

drivers/net/wireless/iwlwifi/dvm/sta.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -77,7 +77,7 @@ static int iwl_process_add_sta_resp(struct iwl_priv *priv,
		IWL_DEBUG_INFO(priv, "Processing response for adding station %u\n",
		sta_id);

		spin_lock(&priv->sta_lock);
		spin_lock_bh(&priv->sta_lock);

		switch (add_sta_resp->status) {
		case ADD_STA_SUCCESS_MSK:
		@@ -119,7 +119,7 @@ static int iwl_process_add_sta_resp(struct iwl_priv *priv,
		priv->stations[sta_id].sta.mode ==
		STA_CONTROL_MODIFY_MSK ? "Modified" : "Added",
		addsta->sta.addr);
		spin_unlock(&priv->sta_lock);
		spin_unlock_bh(&priv->sta_lock);

		return ret;
		}