Merge tag 'iwlwifi-next-for-kalle-2015-08-23' of...

Merge tag 'iwlwifi-next-for-kalle-2015-08-23' of https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next

* new Tx power firmware API
* bump max firmware API to 17
* fix bug in debug prints
* static checker fix
* fix unused defines
* fix command list on newest firmware

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

@@ -473,7 +473,7 @@ do {									\
 } while (0)
 #endif				/* CONFIG_IWLWIFI_DEBUG */
 
-extern const char *const iwl_dvm_cmd_strings[REPLY_MAX];
+extern const char *const iwl_dvm_cmd_strings[REPLY_MAX + 1];
 
 static inline const char *iwl_dvm_get_cmd_string(u8 cmd)
 {

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

@@ -39,7 +39,7 @@
 
 #define IWL_CMD_ENTRY(x) [x] = #x
 
-const char *const iwl_dvm_cmd_strings[REPLY_MAX] = {
+const char *const iwl_dvm_cmd_strings[REPLY_MAX + 1] = {
 	IWL_CMD_ENTRY(REPLY_ALIVE),
 	IWL_CMD_ENTRY(REPLY_ERROR),
 	IWL_CMD_ENTRY(REPLY_ECHO),

drivers/net/wireless/iwlwifi/iwl-7000.c

@@ -69,7 +69,7 @@
 #include "iwl-agn-hw.h"
 
 /* Highest firmware API version supported */
-#define IWL7260_UCODE_API_MAX	16
+#define IWL7260_UCODE_API_MAX	17
 
 /* Oldest version we won't warn about */
 #define IWL7260_UCODE_API_OK	12

drivers/net/wireless/iwlwifi/iwl-8000.c

@@ -69,7 +69,7 @@
 #include "iwl-agn-hw.h"
 
 /* Highest firmware API version supported */
-#define IWL8000_UCODE_API_MAX	16
+#define IWL8000_UCODE_API_MAX	17
 
 /* Oldest version we won't warn about */
 #define IWL8000_UCODE_API_OK	12

drivers/net/wireless/iwlwifi/iwl-fw-file.h

@@ -259,6 +259,8 @@ typedef unsigned int __bitwise__ iwl_ucode_tlv_api_t;
  * @IWL_UCODE_TLV_API_NEW_VERSION: new versioning format
  * @IWL_UCODE_TLV_API_EXT_SCAN_PRIORITY: scan APIs use 8-level priority
  *	instead of 3.
+ * @IWL_UCODE_TLV_API_TX_POWER_CHAIN: TX power API has larger command size
+ *	(command version 3) that supports per-chain limits
  */
 enum iwl_ucode_tlv_api {
 	IWL_UCODE_TLV_API_BT_COEX_SPLIT         = (__force iwl_ucode_tlv_api_t)3,
@@ -274,6 +276,7 @@ enum iwl_ucode_tlv_api {
 	IWL_UCODE_TLV_API_STATS_V10		= (__force iwl_ucode_tlv_api_t)19,
 	IWL_UCODE_TLV_API_NEW_VERSION		= (__force iwl_ucode_tlv_api_t)20,
 	IWL_UCODE_TLV_API_EXT_SCAN_PRIORITY	= (__force iwl_ucode_tlv_api_t)24,
+	IWL_UCODE_TLV_API_TX_POWER_CHAIN	= (__force iwl_ucode_tlv_api_t)27,
 };
 
 typedef unsigned int __bitwise__ iwl_ucode_tlv_capa_t;

drivers/net/wireless/iwlwifi/mvm/debugfs.c

@@ -949,9 +949,10 @@ static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm,
 					   char *buf, size_t count,
 					   loff_t *ppos)
 {
-	int ret, conf_id;
+	unsigned int conf_id;
+	int ret;
 
-	ret = kstrtoint(buf, 0, &conf_id);
+	ret = kstrtouint(buf, 0, &conf_id);
 	if (ret)
 		return ret;
 

drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h

@@ -339,8 +339,13 @@ enum iwl_wowlan_wakeup_reason {
 	IWL_WOWLAN_WAKEUP_BY_FOUR_WAY_HANDSHAKE			= BIT(8),
 	IWL_WOWLAN_WAKEUP_BY_REM_WAKE_LINK_LOSS			= BIT(9),
 	IWL_WOWLAN_WAKEUP_BY_REM_WAKE_SIGNATURE_TABLE		= BIT(10),
-	/* BIT(11) reserved */
+	IWL_WOWLAN_WAKEUP_BY_REM_WAKE_TCP_EXTERNAL		= BIT(11),
 	IWL_WOWLAN_WAKEUP_BY_REM_WAKE_WAKEUP_PACKET		= BIT(12),
+	IWL_WOWLAN_WAKEUP_BY_IOAC_MAGIC_PACKET			= BIT(13),
+	IWL_WOWLAN_WAKEUP_BY_D3_WAKEUP_HOST_TIMER		= BIT(14),
+	IWL_WOWLAN_WAKEUP_BY_RXFRAME_FILTERED_IN		= BIT(15),
+	IWL_WOWLAN_WAKEUP_BY_BEACON_FILTERED_IN			= BIT(16),
+
 }; /* WOWLAN_WAKE_UP_REASON_API_E_VER_2 */
 
 struct iwl_wowlan_gtk_status {

drivers/net/wireless/iwlwifi/mvm/fw-api-power.h

@@ -7,6 +7,7 @@
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
  * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
+ * Copyright(c) 2015 Intel Deutschland GmbH
  *
  * 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
@@ -33,6 +34,7 @@
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
  * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
+ * Copyright(c) 2015 Intel Deutschland GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -310,17 +312,22 @@ struct iwl_reduce_tx_power_cmd {
 	__le16 pwr_restriction;
 } __packed; /* TX_REDUCED_POWER_API_S_VER_1 */
 
+enum iwl_dev_tx_power_cmd_mode {
+	IWL_TX_POWER_MODE_SET_MAC = 0,
+	IWL_TX_POWER_MODE_SET_DEVICE = 1,
+	IWL_TX_POWER_MODE_SET_CHAINS = 2,
+}; /* TX_POWER_REDUCED_FLAGS_TYPE_API_E_VER_2 */;
+
 /**
- * struct iwl_dev_tx_power_cmd - TX power reduction command
- * REDUCE_TX_POWER_CMD = 0x9f
- * @set_mode: 0 - MAC tx power, 1 - device tx power
+ * struct iwl_dev_tx_power_cmd_v2 - TX power reduction command
+ * @set_mode: see &enum iwl_dev_tx_power_cmd_mode
  * @mac_context_id: id of the mac ctx for which we are reducing TX power.
  * @pwr_restriction: TX power restriction in 1/8 dBms.
  * @dev_24: device TX power restriction in 1/8 dBms
  * @dev_52_low: device TX power restriction upper band - low
  * @dev_52_high: device TX power restriction upper band - high
  */
-struct iwl_dev_tx_power_cmd {
+struct iwl_dev_tx_power_cmd_v2 {
 	__le32 set_mode;
 	__le32 mac_context_id;
 	__le16 pwr_restriction;
@@ -329,6 +336,20 @@ struct iwl_dev_tx_power_cmd {
 	__le16 dev_52_high;
 } __packed; /* TX_REDUCED_POWER_API_S_VER_2 */
 
+#define IWL_NUM_CHAIN_LIMITS	2
+#define IWL_NUM_SUB_BANDS	5
+
+/**
+ * struct iwl_dev_tx_power_cmd - TX power reduction command
+ * @v2: version 2 of the command, embedded here for easier software handling
+ * @per_chain_restriction: per chain restrictions
+ */
+struct iwl_dev_tx_power_cmd {
+	/* v3 is just an extension of v2 - keep this here */
+	struct iwl_dev_tx_power_cmd_v2 v2;
+	__le16 per_chain_restriction[IWL_NUM_CHAIN_LIMITS][IWL_NUM_SUB_BANDS];
+} __packed; /* TX_REDUCED_POWER_API_S_VER_3 */
+
 #define IWL_DEV_MAX_TX_POWER 0x7FFF
 
 /**

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

@@ -1595,20 +1595,23 @@ static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 				s16 tx_power)
 {
 	struct iwl_dev_tx_power_cmd cmd = {
-		.set_mode = 0,
-		.mac_context_id =
+		.v2.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC),
+		.v2.mac_context_id =
 			cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id),
-		.pwr_restriction = cpu_to_le16(8 * tx_power),
+		.v2.pwr_restriction = cpu_to_le16(8 * tx_power),
 	};
+	int len = sizeof(cmd);
 
 	if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_TX_POWER_DEV))
 		return iwl_mvm_set_tx_power_old(mvm, vif, tx_power);
 
 	if (tx_power == IWL_DEFAULT_MAX_TX_POWER)
-		cmd.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER);
+		cmd.v2.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER);
 
-	return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0,
-				    sizeof(cmd), &cmd);
+	if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_TX_POWER_CHAIN))
+		len = sizeof(cmd.v2);
+
+	return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
 }
 
 static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,

drivers/net/wireless/iwlwifi/mvm/ops.c

@@ -268,7 +268,7 @@ static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
 #undef RX_HANDLER_GRP
 #define CMD(x) [x] = #x
 
-static const char *const iwl_mvm_cmd_strings[REPLY_MAX] = {
+static const char *const iwl_mvm_cmd_strings[REPLY_MAX + 1] = {
 	CMD(MVM_ALIVE),
 	CMD(REPLY_ERROR),
 	CMD(INIT_COMPLETE_NOTIF),

drivers/net/wireless/iwlwifi/mvm/scan.c

@@ -349,10 +349,11 @@ void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
 	if (mvm->scan_status & IWL_MVM_SCAN_STOPPING_SCHED) {
 		WARN_ON_ONCE(mvm->scan_status & IWL_MVM_SCAN_STOPPING_REGULAR);
 
-		IWL_DEBUG_SCAN(mvm,
-			       "Scheduled scan %s, EBS status %s, Last line %d, Last iteration %d, Time after last iteration %d\n",
+		IWL_DEBUG_SCAN(mvm, "Scheduled scan %s, EBS status %s\n",
 			       aborted ? "aborted" : "completed",
-			       iwl_mvm_ebs_status_str(scan_notif->ebs_status),
+			       iwl_mvm_ebs_status_str(scan_notif->ebs_status));
+		IWL_DEBUG_SCAN(mvm,
+			       "Last line %d, Last iteration %d, Time after last iteration %d\n",
 			       scan_notif->last_schedule_line,
 			       scan_notif->last_schedule_iteration,
 			       __le32_to_cpu(scan_notif->time_after_last_iter));
@@ -367,10 +368,11 @@ void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
 	} else if (mvm->scan_status & IWL_MVM_SCAN_SCHED) {
 		WARN_ON_ONCE(mvm->scan_status & IWL_MVM_SCAN_REGULAR);
 
-		IWL_DEBUG_SCAN(mvm,
-			       "Scheduled scan %s, EBS status %s, Last line %d, Last iteration %d, Time after last iteration %d (FW)\n",
+		IWL_DEBUG_SCAN(mvm, "Scheduled scan %s, EBS status %s\n",
 			       aborted ? "aborted" : "completed",
-			       iwl_mvm_ebs_status_str(scan_notif->ebs_status),
+			       iwl_mvm_ebs_status_str(scan_notif->ebs_status));
+		IWL_DEBUG_SCAN(mvm,
+			       "Last line %d, Last iteration %d, Time after last iteration %d (FW)\n",
 			       scan_notif->last_schedule_line,
 			       scan_notif->last_schedule_iteration,
 			       __le32_to_cpu(scan_notif->time_after_last_iter));
@@ -1346,11 +1348,13 @@ void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
 
 	mvm->scan_status &= ~mvm->scan_uid_status[uid];
 	IWL_DEBUG_SCAN(mvm,
-		       "Scan completed, uid %u type %u, status %s, EBS status %s, Last line %d, Last iteration %d, Time from last iteration %d\n",
+		       "Scan completed, uid %u type %u, status %s, EBS status %s\n",
 		       uid, mvm->scan_uid_status[uid],
 		       notif->status == IWL_SCAN_OFFLOAD_COMPLETED ?
 				"completed" : "aborted",
-		       iwl_mvm_ebs_status_str(notif->ebs_status),
+		       iwl_mvm_ebs_status_str(notif->ebs_status));
+	IWL_DEBUG_SCAN(mvm,
+		       "Last line %d, Last iteration %d, Time from last iteration %d\n",
 		       notif->last_schedule, notif->last_iter,
 		       __le32_to_cpu(notif->time_from_last_iter));