be2net: add support for flashing Teranetics PHY firmware

Support for flashing RJ45 PHY (from Teranetics) on a 10GBaseT BE3 card.
Signed-off-by: NNaresh G <bgottumukkala@emulex.com>
Signed-off-by: NSathya Perla <sathya.perla@emulex.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/benet/be_cmds.c

@@ -2186,11 +2186,13 @@ int be_cmd_get_seeprom_data(struct be_adapter *adapter,
 	return status;
 }
 
-int be_cmd_get_phy_info(struct be_adapter *adapter, struct be_dma_mem *cmd)
+int be_cmd_get_phy_info(struct be_adapter *adapter,
+				struct be_phy_info *phy_info)
 {
 	struct be_mcc_wrb *wrb;
 	struct be_cmd_req_get_phy_info *req;
 	struct be_sge *sge;
+	struct be_dma_mem cmd;
 	int status;
 
 	spin_lock_bh(&adapter->mcc_lock);
@@ -2200,8 +2202,16 @@ int be_cmd_get_phy_info(struct be_adapter *adapter, struct be_dma_mem *cmd)
 		status = -EBUSY;
 		goto err;
 	}
+	cmd.size = sizeof(struct be_cmd_req_get_phy_info);
+	cmd.va = pci_alloc_consistent(adapter->pdev, cmd.size,
+					&cmd.dma);
+	if (!cmd.va) {
+		dev_err(&adapter->pdev->dev, "Memory alloc failure\n");
+		status = -ENOMEM;
+		goto err;
+	}
 
-	req = cmd->va;
+	req = cmd.va;
 	sge = nonembedded_sgl(wrb);
 
 	be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1,
@@ -2211,11 +2221,20 @@ int be_cmd_get_phy_info(struct be_adapter *adapter, struct be_dma_mem *cmd)
 			OPCODE_COMMON_GET_PHY_DETAILS,
 			sizeof(*req));
 
-	sge->pa_hi = cpu_to_le32(upper_32_bits(cmd->dma));
-	sge->pa_lo = cpu_to_le32(cmd->dma & 0xFFFFFFFF);
-	sge->len = cpu_to_le32(cmd->size);
+	sge->pa_hi = cpu_to_le32(upper_32_bits(cmd.dma));
+	sge->pa_lo = cpu_to_le32(cmd.dma & 0xFFFFFFFF);
+	sge->len = cpu_to_le32(cmd.size);
 
 	status = be_mcc_notify_wait(adapter);
+	if (!status) {
+		struct be_phy_info *resp_phy_info =
+				cmd.va + sizeof(struct be_cmd_req_hdr);
+		phy_info->phy_type = le16_to_cpu(resp_phy_info->phy_type);
+		phy_info->interface_type =
+			le16_to_cpu(resp_phy_info->interface_type);
+	}
+	pci_free_consistent(adapter->pdev, cmd.size,
+				cmd.va, cmd.dma);
 err:
 	spin_unlock_bh(&adapter->mcc_lock);
 	return status;

drivers/net/benet/be_cmds.h

@@ -1244,14 +1244,19 @@ struct be_cmd_req_get_phy_info {
 	struct be_cmd_req_hdr hdr;
 	u8 rsvd0[24];
 };
-struct be_cmd_resp_get_phy_info {
-	struct be_cmd_req_hdr hdr;
+
+struct be_phy_info {
 	u16 phy_type;
 	u16 interface_type;
 	u32 misc_params;
 	u32 future_use[4];
 };
 
+struct be_cmd_resp_get_phy_info {
+	struct be_cmd_req_hdr hdr;
+	struct be_phy_info phy_info;
+};
+
 /*********************** Set QOS ***********************/
 
 #define BE_QOS_BITS_NIC				1
@@ -1486,7 +1491,7 @@ extern int be_cmd_get_seeprom_data(struct be_adapter *adapter,
 extern int be_cmd_set_loopback(struct be_adapter *adapter, u8 port_num,
 				u8 loopback_type, u8 enable);
 extern int be_cmd_get_phy_info(struct be_adapter *adapter,
-		struct be_dma_mem *cmd);
+				struct be_phy_info *phy_info);
 extern int be_cmd_set_qos(struct be_adapter *adapter, u32 bps, u32 domain);
 extern void be_detect_dump_ue(struct be_adapter *adapter);
 extern int be_cmd_get_die_temperature(struct be_adapter *adapter);

drivers/net/benet/be_ethtool.c

@@ -349,12 +349,10 @@ static int be_get_sset_count(struct net_device *netdev, int stringset)
 static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 {
 	struct be_adapter *adapter = netdev_priv(netdev);
-	struct be_dma_mem phy_cmd;
-	struct be_cmd_resp_get_phy_info *resp;
+	struct be_phy_info phy_info;
 	u8 mac_speed = 0;
 	u16 link_speed = 0;
 	int status;
-	u16 intf_type;
 
 	if ((adapter->link_speed < 0) || (!(netdev->flags & IFF_UP))) {
 		status = be_cmd_link_status_query(adapter, &mac_speed,
@@ -383,20 +381,9 @@ static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 			}
 		}
 
-		phy_cmd.size = sizeof(struct be_cmd_req_get_phy_info);
-		phy_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
-						phy_cmd.size, &phy_cmd.dma,
-						GFP_KERNEL);
-		if (!phy_cmd.va) {
-			dev_err(&adapter->pdev->dev, "Memory alloc failure\n");
-			return -ENOMEM;
-		}
-		status = be_cmd_get_phy_info(adapter, &phy_cmd);
+		status = be_cmd_get_phy_info(adapter, &phy_info);
 		if (!status) {
-			resp = phy_cmd.va;
-			intf_type = le16_to_cpu(resp->interface_type);
-
-			switch (intf_type) {
+			switch (phy_info.interface_type) {
 			case PHY_TYPE_XFP_10GB:
 			case PHY_TYPE_SFP_1GB:
 			case PHY_TYPE_SFP_PLUS_10GB:
@@ -407,7 +394,7 @@ static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 				break;
 			}
 
-			switch (intf_type) {
+			switch (phy_info.interface_type) {
 			case PHY_TYPE_KR_10GB:
 			case PHY_TYPE_KX4_10GB:
 				ecmd->autoneg = AUTONEG_ENABLE;
@@ -425,8 +412,6 @@ static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 		adapter->port_type = ecmd->port;
 		adapter->transceiver = ecmd->transceiver;
 		adapter->autoneg = ecmd->autoneg;
-		dma_free_coherent(&adapter->pdev->dev, phy_cmd.size, phy_cmd.va,
-				  phy_cmd.dma);
 	} else {
 		ethtool_cmd_speed_set(ecmd, adapter->link_speed);
 		ecmd->port = adapter->port_type;

drivers/net/benet/be_hw.h

@@ -175,18 +175,24 @@
 #define IMG_TYPE_FCOE_FW_ACTIVE		10
 #define IMG_TYPE_FCOE_FW_BACKUP 	11
 #define IMG_TYPE_NCSI_FW		13
+#define IMG_TYPE_PHY_FW			99
+#define TN_8022				13
 
+#define ILLEGAL_IOCTL_REQ		2
+#define FLASHROM_OPER_PHY_FLASH		9
+#define FLASHROM_OPER_PHY_SAVE		10
 #define FLASHROM_OPER_FLASH		1
 #define FLASHROM_OPER_SAVE		2
 #define FLASHROM_OPER_REPORT		4
 
-#define FLASH_IMAGE_MAX_SIZE_g2            (1310720) /* Max firmware image sz */
-#define FLASH_BIOS_IMAGE_MAX_SIZE_g2       (262144)  /* Max OPTION ROM img sz */
-#define FLASH_REDBOOT_IMAGE_MAX_SIZE_g2	  (262144)  /* Max Redboot image sz */
-#define FLASH_IMAGE_MAX_SIZE_g3            (2097152) /* Max fw image size */
-#define FLASH_BIOS_IMAGE_MAX_SIZE_g3       (524288)  /* Max OPTION ROM img sz */
-#define FLASH_REDBOOT_IMAGE_MAX_SIZE_g3	  (1048576)  /* Max Redboot image sz */
-#define FLASH_NCSI_IMAGE_MAX_SIZE_g3       (262144)  /* Max NSCI image sz */
+#define FLASH_IMAGE_MAX_SIZE_g2		(1310720) /* Max firmware image size */
+#define FLASH_BIOS_IMAGE_MAX_SIZE_g2	(262144)  /* Max OPTION ROM image sz */
+#define FLASH_REDBOOT_IMAGE_MAX_SIZE_g2	(262144)  /* Max Redboot image sz    */
+#define FLASH_IMAGE_MAX_SIZE_g3		(2097152) /* Max firmware image size */
+#define FLASH_BIOS_IMAGE_MAX_SIZE_g3	(524288)  /* Max OPTION ROM image sz */
+#define FLASH_REDBOOT_IMAGE_MAX_SIZE_g3	(1048576)  /* Max Redboot image sz    */
+#define FLASH_NCSI_IMAGE_MAX_SIZE_g3	(262144)
+#define FLASH_PHY_FW_IMAGE_MAX_SIZE_g3	262144
 
 #define FLASH_NCSI_MAGIC		(0x16032009)
 #define FLASH_NCSI_DISABLED		(0)
@@ -213,6 +219,7 @@
 #define FLASH_PXE_BIOS_START_g3            (13107200)
 #define FLASH_FCoE_BIOS_START_g3           (13631488)
 #define FLASH_REDBOOT_START_g3             (262144)
+#define FLASH_PHY_FW_START_g3		   1310720
 
 /************* Rx Packet Type Encoding **************/
 #define BE_UNICAST_PACKET		0

drivers/net/benet/be_main.c

@@ -2569,6 +2569,21 @@ static bool be_flash_redboot(struct be_adapter *adapter,
 		return true;
 }
 
+static bool phy_flashing_required(struct be_adapter *adapter)
+{
+	int status = 0;
+	struct be_phy_info phy_info;
+
+	status = be_cmd_get_phy_info(adapter, &phy_info);
+	if (status)
+		return false;
+	if ((phy_info.phy_type == TN_8022) &&
+		(phy_info.interface_type == PHY_TYPE_BASET_10GB)) {
+		return true;
+	}
+	return false;
+}
+
 static int be_flash_data(struct be_adapter *adapter,
 			const struct firmware *fw,
 			struct be_dma_mem *flash_cmd, int num_of_images)
@@ -2582,7 +2597,7 @@ static int be_flash_data(struct be_adapter *adapter,
 	const struct flash_comp *pflashcomp;
 	int num_comp;
 
-	static const struct flash_comp gen3_flash_types[9] = {
+	static const struct flash_comp gen3_flash_types[10] = {
 		{ FLASH_iSCSI_PRIMARY_IMAGE_START_g3, IMG_TYPE_ISCSI_ACTIVE,
 			FLASH_IMAGE_MAX_SIZE_g3},
 		{ FLASH_REDBOOT_START_g3, IMG_TYPE_REDBOOT,
@@ -2600,7 +2615,9 @@ static int be_flash_data(struct be_adapter *adapter,
 		{ FLASH_FCoE_BACKUP_IMAGE_START_g3, IMG_TYPE_FCOE_FW_BACKUP,
 			FLASH_IMAGE_MAX_SIZE_g3},
 		{ FLASH_NCSI_START_g3, IMG_TYPE_NCSI_FW,
-			FLASH_NCSI_IMAGE_MAX_SIZE_g3}
+			FLASH_NCSI_IMAGE_MAX_SIZE_g3},
+		{ FLASH_PHY_FW_START_g3, IMG_TYPE_PHY_FW,
+			FLASH_PHY_FW_IMAGE_MAX_SIZE_g3}
 	};
 	static const struct flash_comp gen2_flash_types[8] = {
 		{ FLASH_iSCSI_PRIMARY_IMAGE_START_g2, IMG_TYPE_ISCSI_ACTIVE,
@@ -2634,6 +2651,10 @@ static int be_flash_data(struct be_adapter *adapter,
 		if ((pflashcomp[i].optype == IMG_TYPE_NCSI_FW) &&
 				memcmp(adapter->fw_ver, "3.102.148.0", 11) < 0)
 			continue;
+		if (pflashcomp[i].optype == IMG_TYPE_PHY_FW) {
+			if (!phy_flashing_required(adapter))
+				continue;
+		}
 		if ((pflashcomp[i].optype == IMG_TYPE_REDBOOT) &&
 			(!be_flash_redboot(adapter, fw->data,
 			pflashcomp[i].offset, pflashcomp[i].size, filehdr_size +
@@ -2642,25 +2663,35 @@ static int be_flash_data(struct be_adapter *adapter,
 		p = fw->data;
 		p += filehdr_size + pflashcomp[i].offset
 			+ (num_of_images * sizeof(struct image_hdr));
-	if (p + pflashcomp[i].size > fw->data + fw->size)
-		return -1;
-	total_bytes = pflashcomp[i].size;
+		if (p + pflashcomp[i].size > fw->data + fw->size)
+			return -1;
+		total_bytes = pflashcomp[i].size;
 		while (total_bytes) {
 			if (total_bytes > 32*1024)
 				num_bytes = 32*1024;
 			else
 				num_bytes = total_bytes;
 			total_bytes -= num_bytes;
-
-			if (!total_bytes)
-				flash_op = FLASHROM_OPER_FLASH;
-			else
-				flash_op = FLASHROM_OPER_SAVE;
+			if (!total_bytes) {
+				if (pflashcomp[i].optype == IMG_TYPE_PHY_FW)
+					flash_op = FLASHROM_OPER_PHY_FLASH;
+				else
+					flash_op = FLASHROM_OPER_FLASH;
+			} else {
+				if (pflashcomp[i].optype == IMG_TYPE_PHY_FW)
+					flash_op = FLASHROM_OPER_PHY_SAVE;
+				else
+					flash_op = FLASHROM_OPER_SAVE;
+			}
 			memcpy(req->params.data_buf, p, num_bytes);
 			p += num_bytes;
 			status = be_cmd_write_flashrom(adapter, flash_cmd,
 				pflashcomp[i].optype, flash_op, num_bytes);
 			if (status) {
+				if ((status == ILLEGAL_IOCTL_REQ) &&
+					(pflashcomp[i].optype ==
+						IMG_TYPE_PHY_FW))
+					break;
 				dev_err(&adapter->pdev->dev,
 					"cmd to write to flash rom failed.\n");
 				return -1;