1 files changed, 109 insertions, 29 deletions

diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
index 7dd9a4b107e6..65a718f9ccd3 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
@@ -82,7 +82,6 @@ static void netxen_create_sysfs_entries(struct netxen_adapter *adapter);
 static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter);
 static void netxen_create_diag_entries(struct netxen_adapter *adapter);
 static void netxen_remove_diag_entries(struct netxen_adapter *adapter);
-
 static int nx_dev_request_aer(struct netxen_adapter *adapter);
 static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter);
 static int netxen_can_start_firmware(struct netxen_adapter *adapter);
@@ -519,7 +518,7 @@ static int netxen_nic_set_mac(struct net_device *netdev, void *p)
 	struct sockaddr *addr = p;
 
 	if (!is_valid_ether_addr(addr->sa_data))
-		return -EINVAL;
+		return -EADDRNOTAVAIL;
 
 	if (netif_running(netdev)) {
 		netif_device_detach(netdev);
@@ -802,16 +801,16 @@ err_out:
 static void
 netxen_check_options(struct netxen_adapter *adapter)
 {
-	u32 fw_major, fw_minor, fw_build;
+	u32 fw_major, fw_minor, fw_build, prev_fw_version;
 	char brd_name[NETXEN_MAX_SHORT_NAME];
 	char serial_num[32];
-	int i, offset, val;
-	int *ptr32;
+	int i, offset, val, err;
+	__le32 *ptr32;
 	struct pci_dev *pdev = adapter->pdev;
 
 	adapter->driver_mismatch = 0;
 
-	ptr32 = (int *)&serial_num;
+	ptr32 = (__le32 *)&serial_num;
 	offset = NX_FW_SERIAL_NUM_OFFSET;
 	for (i = 0; i < 8; i++) {
 		if (netxen_rom_fast_read(adapter, offset, &val) == -1) {
@@ -826,9 +825,22 @@ netxen_check_options(struct netxen_adapter *adapter)
 	fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
 	fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
 	fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
-
+	prev_fw_version = adapter->fw_version;
 	adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build);
 
+	/* Get FW Mini Coredump template and store it */
+	 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+		if (adapter->mdump.md_template == NULL ||
+				adapter->fw_version > prev_fw_version) {
+			kfree(adapter->mdump.md_template);
+			adapter->mdump.md_template = NULL;
+			err = netxen_setup_minidump(adapter);
+			if (err)
+				dev_err(&adapter->pdev->dev,
+				"Failed to setup minidump rcode = %d\n", err);
+		}
+	}
+
 	if (adapter->portnum == 0) {
 		get_brd_name_by_type(adapter->ahw.board_type, brd_name);
 
@@ -909,7 +921,12 @@ netxen_start_firmware(struct netxen_adapter *adapter)
 	if (err)
 		return err;
 
-	if (!netxen_can_start_firmware(adapter))
+	err = netxen_can_start_firmware(adapter);
+
+	if (err < 0)
+		return err;
+
+	if (!err)
 		goto wait_init;
 
 	first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
@@ -1403,7 +1420,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	netdev = alloc_etherdev(sizeof(struct netxen_adapter));
 	if(!netdev) {
-		dev_err(&pdev->dev, "failed to allocate net_device\n");
 		err = -ENOMEM;
 		goto err_out_free_res;
 	}
@@ -1529,6 +1545,18 @@ err_out_disable_pdev:
 	return err;
 }
 
+static
+void netxen_cleanup_minidump(struct netxen_adapter *adapter)
+{
+	kfree(adapter->mdump.md_template);
+	adapter->mdump.md_template = NULL;
+
+	if (adapter->mdump.md_capture_buff) {
+		vfree(adapter->mdump.md_capture_buff);
+		adapter->mdump.md_capture_buff = NULL;
+	}
+}
+
 static void __devexit netxen_nic_remove(struct pci_dev *pdev)
 {
 	struct netxen_adapter *adapter;
@@ -1564,8 +1592,10 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
 
 	netxen_release_firmware(adapter);
 
-	if (NX_IS_REVISION_P3(pdev->revision))
+	if (NX_IS_REVISION_P3(pdev->revision)) {
+		netxen_cleanup_minidump(adapter);
 		pci_disable_pcie_error_reporting(pdev);
+	}
 
 	pci_release_regions(pdev);
 	pci_disable_device(pdev);
@@ -2317,7 +2347,7 @@ nx_incr_dev_ref_cnt(struct netxen_adapter *adapter)
 static int
 nx_decr_dev_ref_cnt(struct netxen_adapter *adapter)
 {
-	int count;
+	int count, state;
 	if (netxen_api_lock(adapter))
 		return -EIO;
 
@@ -2325,8 +2355,9 @@ nx_decr_dev_ref_cnt(struct netxen_adapter *adapter)
 	WARN_ON(count == 0);
 
 	NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
+	state = NXRD32(adapter, NX_CRB_DEV_STATE);
 
-	if (count == 0)
+	if (count == 0 && state != NX_DEV_FAILED)
 		NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
 
 	netxen_api_unlock(adapter);
@@ -2355,7 +2386,7 @@ nx_dev_request_aer(struct netxen_adapter *adapter)
 	return ret;
 }
 
-static int
+int
 nx_dev_request_reset(struct netxen_adapter *adapter)
 {
 	u32 state;
@@ -2366,10 +2397,11 @@ nx_dev_request_reset(struct netxen_adapter *adapter)
 
 	state = NXRD32(adapter, NX_CRB_DEV_STATE);
 
-	if (state == NX_DEV_NEED_RESET)
+	if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED)
 		ret = 0;
 	else if (state != NX_DEV_INITALIZING && state != NX_DEV_NEED_AER) {
 		NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET);
+		adapter->flags |= NETXEN_FW_RESET_OWNER;
 		ret = 0;
 	}
 
@@ -2384,8 +2416,10 @@ netxen_can_start_firmware(struct netxen_adapter *adapter)
 	int count;
 	int can_start = 0;
 
-	if (netxen_api_lock(adapter))
-		return 0;
+	if (netxen_api_lock(adapter)) {
+		nx_incr_dev_ref_cnt(adapter);
+		return -1;
+	}
 
 	count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
 
@@ -2457,8 +2491,31 @@ netxen_fwinit_work(struct work_struct *work)
 	struct netxen_adapter *adapter = container_of(work,
 				struct netxen_adapter, fw_work.work);
 	int dev_state;
-
+	int count;
 	dev_state = NXRD32(adapter, NX_CRB_DEV_STATE);
+	if (adapter->flags & NETXEN_FW_RESET_OWNER) {
+		count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
+		WARN_ON(count == 0);
+		if (count == 1) {
+			if (adapter->mdump.md_enabled) {
+				rtnl_lock();
+				netxen_dump_fw(adapter);
+				rtnl_unlock();
+			}
+			adapter->flags &= ~NETXEN_FW_RESET_OWNER;
+			if (netxen_api_lock(adapter)) {
+				clear_bit(__NX_RESETTING, &adapter->state);
+				NXWR32(adapter, NX_CRB_DEV_STATE,
+						NX_DEV_FAILED);
+				return;
+			}
+			count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
+			NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
+			NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
+			dev_state = NX_DEV_COLD;
+			netxen_api_unlock(adapter);
+		}
+	}
 
 	switch (dev_state) {
 	case NX_DEV_COLD:
@@ -2471,11 +2528,9 @@ netxen_fwinit_work(struct work_struct *work)
 
 	case NX_DEV_NEED_RESET:
 	case NX_DEV_INITALIZING:
-		if (++adapter->fw_wait_cnt < FW_POLL_THRESH) {
 			netxen_schedule_work(adapter,
 					netxen_fwinit_work, 2 * FW_POLL_DELAY);
 			return;
-		}
 
 	case NX_DEV_FAILED:
 	default:
@@ -2483,6 +2538,15 @@ netxen_fwinit_work(struct work_struct *work)
 		break;
 	}
 
+	if (netxen_api_lock(adapter)) {
+		clear_bit(__NX_RESETTING, &adapter->state);
+		return;
+	}
+	NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_FAILED);
+	netxen_api_unlock(adapter);
+	dev_err(&adapter->pdev->dev, "%s: Device initialization Failed\n",
+				adapter->netdev->name);
+
 	clear_bit(__NX_RESETTING, &adapter->state);
 }
 
@@ -2492,7 +2556,7 @@ netxen_detach_work(struct work_struct *work)
 	struct netxen_adapter *adapter = container_of(work,
 				struct netxen_adapter, fw_work.work);
 	struct net_device *netdev = adapter->netdev;
-	int ref_cnt, delay;
+	int ref_cnt = 0, delay;
 	u32 status;
 
 	netif_device_detach(netdev);
@@ -2511,7 +2575,8 @@ netxen_detach_work(struct work_struct *work)
 	if (adapter->temp == NX_TEMP_PANIC)
 		goto err_ret;
 
-	ref_cnt = nx_decr_dev_ref_cnt(adapter);
+	if (!(adapter->flags & NETXEN_FW_RESET_OWNER))
+		ref_cnt = nx_decr_dev_ref_cnt(adapter);
 
 	if (ref_cnt == -EIO)
 		goto err_ret;
@@ -2531,6 +2596,7 @@ static int
 netxen_check_health(struct netxen_adapter *adapter)
 {
 	u32 state, heartbit;
+	u32 peg_status;
 	struct net_device *netdev = adapter->netdev;
 
 	state = NXRD32(adapter, NX_CRB_DEV_STATE);
@@ -2551,7 +2617,7 @@ netxen_check_health(struct netxen_adapter *adapter)
 	 * Send request to destroy context in case of tx timeout only
 	 * and doesn't required in case of Fw hang
 	 */
-	if (state == NX_DEV_NEED_RESET) {
+	if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED) {
 		adapter->need_fw_reset = 1;
 		if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
 			goto detach;
@@ -2577,8 +2643,24 @@ netxen_check_health(struct netxen_adapter *adapter)
 
 	clear_bit(__NX_FW_ATTACHED, &adapter->state);
 
-	dev_info(&netdev->dev, "firmware hang detected\n");
-
+	dev_err(&netdev->dev, "firmware hang detected\n");
+	peg_status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
+	dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
+			"PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
+			"PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
+			"PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
+			"PEG_NET_4_PC: 0x%x\n",
+			peg_status,
+			NXRD32(adapter, NETXEN_PEG_HALT_STATUS2),
+			NXRD32(adapter, NETXEN_CRB_PEG_NET_0 + 0x3c),
+			NXRD32(adapter, NETXEN_CRB_PEG_NET_1 + 0x3c),
+			NXRD32(adapter, NETXEN_CRB_PEG_NET_2 + 0x3c),
+			NXRD32(adapter, NETXEN_CRB_PEG_NET_3 + 0x3c),
+			NXRD32(adapter, NETXEN_CRB_PEG_NET_4 + 0x3c));
+	if (NX_FWERROR_PEGSTAT1(peg_status) == 0x67)
+		dev_err(&adapter->pdev->dev,
+			"Firmware aborted with error code 0x00006700. "
+				"Device is being reset.\n");
 detach:
 	if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&
 			!test_and_set_bit(__NX_RESETTING, &adapter->state))
@@ -2848,13 +2930,12 @@ static struct bin_attribute bin_attr_mem = {
 static void
 netxen_create_sysfs_entries(struct netxen_adapter *adapter)
 {
-	struct net_device *netdev = adapter->netdev;
-	struct device *dev = &netdev->dev;
+	struct device *dev = &adapter->pdev->dev;
 
 	if (adapter->capabilities & NX_FW_CAPABILITY_BDG) {
 		/* bridged_mode control */
 		if (device_create_file(dev, &dev_attr_bridged_mode)) {
-			dev_warn(&netdev->dev,
+			dev_warn(dev,
 				"failed to create bridged_mode sysfs entry\n");
 		}
 	}
@@ -2863,8 +2944,7 @@ netxen_create_sysfs_entries(struct netxen_adapter *adapter)
 static void
 netxen_remove_sysfs_entries(struct netxen_adapter *adapter)
 {
-	struct net_device *netdev = adapter->netdev;
-	struct device *dev = &netdev->dev;
+	struct device *dev = &adapter->pdev->dev;
 
 	if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
 		device_remove_file(dev, &dev_attr_bridged_mode);