Merge branch 'next' into for-linus

6 files changed, 463 insertions, 68 deletions

diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h
index 480ef5cb6ef..baf646d98fa 100644
--- a/drivers/net/qlcnic/qlcnic.h
+++ b/drivers/net/qlcnic/qlcnic.h
@@ -36,8 +36,8 @@
 
 #define _QLCNIC_LINUX_MAJOR 5
 #define _QLCNIC_LINUX_MINOR 0
-#define _QLCNIC_LINUX_SUBVERSION 18
-#define QLCNIC_LINUX_VERSIONID  "5.0.18"
+#define _QLCNIC_LINUX_SUBVERSION 21
+#define QLCNIC_LINUX_VERSIONID  "5.0.21"
 #define QLCNIC_DRV_IDC_VER  0x01
 #define QLCNIC_DRIVER_VERSION  ((_QLCNIC_LINUX_MAJOR << 16) |\
 		 (_QLCNIC_LINUX_MINOR << 8) | (_QLCNIC_LINUX_SUBVERSION))
@@ -429,6 +429,7 @@ struct qlcnic_dump_template_hdr {
 
 struct qlcnic_fw_dump {
 	u8	clr;	/* flag to indicate if dump is cleared */
+	u8	enable; /* enable/disable dump */
 	u32	size;	/* total size of the dump */
 	void	*data;	/* dump data area */
 	struct	qlcnic_dump_template_hdr *tmpl_hdr;
@@ -450,6 +451,7 @@ struct qlcnic_hardware_context {
 	u8 revision_id;
 	u8 pci_func;
 	u8 linkup;
+	u8 loopback_state;
 	u16 port_type;
 	u16 board_type;
 
@@ -779,6 +781,14 @@ struct qlcnic_mac_list_s {
 #define QLCNIC_IP_UP		2
 #define QLCNIC_IP_DOWN		3
 
+#define QLCNIC_ILB_MODE		0x1
+#define QLCNIC_ELB_MODE		0x2
+
+#define QLCNIC_LINKEVENT	0x1
+#define QLCNIC_LB_RESPONSE	0x2
+#define QLCNIC_IS_LB_CONFIGURED(VAL)	\
+		(VAL == (QLCNIC_LINKEVENT | QLCNIC_LB_RESPONSE))
+
 /*
  * Driver --> Firmware
  */
@@ -788,13 +798,17 @@ struct qlcnic_mac_list_s {
 #define QLCNIC_H2C_OPCODE_LRO_REQUEST			0x7
 #define QLCNIC_H2C_OPCODE_SET_MAC_RECEIVE_MODE		0xc
 #define QLCNIC_H2C_OPCODE_CONFIG_IPADDR		0x12
+
 #define QLCNIC_H2C_OPCODE_GET_LINKEVENT		0x15
 #define QLCNIC_H2C_OPCODE_CONFIG_BRIDGING		0x17
 #define QLCNIC_H2C_OPCODE_CONFIG_HW_LRO		0x18
+#define QLCNIC_H2C_OPCODE_CONFIG_LOOPBACK		0x13
+
 /*
  * Firmware --> Driver
  */
 
+#define QLCNIC_C2H_OPCODE_CONFIG_LOOPBACK		0x8f
 #define QLCNIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE	141
 
 #define VPORT_MISS_MODE_DROP		0 /* drop all unmatched */
@@ -808,6 +822,7 @@ struct qlcnic_mac_list_s {
 #define QLCNIC_FW_CAPABILITY_BDG		BIT_8
 #define QLCNIC_FW_CAPABILITY_FVLANTX		BIT_9
 #define QLCNIC_FW_CAPABILITY_HW_LRO		BIT_10
+#define QLCNIC_FW_CAPABILITY_MULTI_LOOPBACK	BIT_27
 
 /* module types */
 #define LINKEVENT_MODULE_NOT_PRESENT			1
@@ -895,11 +910,11 @@ struct qlcnic_ipaddr {
 #define QLCNIC_MAC_OVERRIDE_DISABLED	0x400
 #define QLCNIC_PROMISC_DISABLED		0x800
 #define QLCNIC_NEED_FLR			0x1000
+#define QLCNIC_FW_RESET_OWNER		0x2000
 #define QLCNIC_IS_MSI_FAMILY(adapter) \
 	((adapter)->flags & (QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED))
 
 #define QLCNIC_DEF_NUM_STS_DESC_RINGS	4
-#define QLCNIC_MIN_NUM_RSS_RINGS	2
 #define QLCNIC_MSIX_TBL_SPACE		8192
 #define QLCNIC_PCI_REG_MSIX_TBL 	0x44
 #define QLCNIC_MSIX_TBL_PGSIZE		4096
@@ -922,6 +937,12 @@ struct qlcnic_ipaddr {
 #define QLCNIC_READD_AGE	20
 #define QLCNIC_LB_MAX_FILTERS	64
 
+/* QLCNIC Driver Error Code */
+#define QLCNIC_FW_NOT_RESPOND		51
+#define QLCNIC_TEST_IN_PROGRESS		52
+#define QLCNIC_UNDEFINED_ERROR		53
+#define QLCNIC_LB_CABLE_NOT_CONN	54
+
 struct qlcnic_filter {
 	struct hlist_node fnode;
 	u8 faddr[ETH_ALEN];
@@ -993,7 +1014,7 @@ struct qlcnic_adapter {
 	u8 max_mac_filters;
 	u8 dev_state;
 	u8 diag_test;
-	u8 diag_cnt;
+	char diag_cnt;
 	u8 reset_ack_timeo;
 	u8 dev_init_timeo;
 	u16 msg_enable;
@@ -1001,6 +1022,7 @@ struct qlcnic_adapter {
 	u8 mac_addr[ETH_ALEN];
 
 	u64 dev_rst_time;
+	u8 mac_learn;
 	unsigned long vlans[BITS_TO_LONGS(VLAN_N_VID)];
 
 	struct qlcnic_npar_info *npars;
@@ -1219,8 +1241,7 @@ struct __ctrl {
 
 struct __cache {
 	__le32	addr;
-	u8	stride;
-	u8	rsvd;
+	__le16	stride;
 	__le16	init_tag_val;
 	__le32	size;
 	__le32	no_ops;
@@ -1318,9 +1339,11 @@ enum op_codes {
 #define QLCNIC_DUMP_SKIP	BIT_7
 
 #define QLCNIC_DUMP_MASK_MIN		3
-#define QLCNIC_DUMP_MASK_DEF		0x0f
+#define QLCNIC_DUMP_MASK_DEF		0x1f
 #define QLCNIC_DUMP_MASK_MAX		0xff
 #define QLCNIC_FORCE_FW_DUMP_KEY	0xdeadfeed
+#define QLCNIC_ENABLE_FW_DUMP		0xaddfeed
+#define QLCNIC_DISABLE_FW_DUMP		0xbadfeed
 
 struct qlcnic_dump_operations {
 	enum op_codes opcode;
@@ -1428,6 +1451,12 @@ int qlcnic_send_lro_cleanup(struct qlcnic_adapter *adapter);
 void qlcnic_update_cmd_producer(struct qlcnic_adapter *adapter,
 		struct qlcnic_host_tx_ring *tx_ring);
 void qlcnic_fetch_mac(struct qlcnic_adapter *, u32, u32, u8, u8 *);
+void qlcnic_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring);
+void qlcnic_clear_lb_mode(struct qlcnic_adapter *adapter);
+int qlcnic_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode);
+
+/* Functions from qlcnic_ethtool.c */
+int qlcnic_check_loopback_buff(unsigned char *data, u8 mac[]);
 
 /* Functions from qlcnic_main.c */
 int qlcnic_reset_context(struct qlcnic_adapter *);
@@ -1439,6 +1468,7 @@ netdev_tx_t qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev);
 int qlcnic_validate_max_rss(struct net_device *netdev, u8 max_hw, u8 val);
 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data);
 void qlcnic_dev_request_reset(struct qlcnic_adapter *);
+void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter);
 
 /* Management functions */
 int qlcnic_get_mac_address(struct qlcnic_adapter *, u8*);
@@ -1489,6 +1519,8 @@ static const struct qlcnic_brdinfo qlcnic_boards[] = {
 		"NC523SFP 10Gb 2-port Server Adapter"},
 	{0x1077, 0x8020, 0x103c, 0x3346,
 		"CN1000Q Dual Port Converged Network Adapter"},
+	{0x1077, 0x8020, 0x1077, 0x210,
+		"QME8242-k 10GbE Dual Port Mezzanine Card"},
 	{0x1077, 0x8020, 0x0, 0x0, "cLOM8214 1/10GbE Controller"},
 };
 
diff --git a/drivers/net/qlcnic/qlcnic_ctx.c b/drivers/net/qlcnic/qlcnic_ctx.c
index bab041a5c75..b0d32ddd2cc 100644
--- a/drivers/net/qlcnic/qlcnic_ctx.c
+++ b/drivers/net/qlcnic/qlcnic_ctx.c
@@ -95,8 +95,8 @@ int qlcnic_fw_cmd_get_minidump_temp(struct qlcnic_adapter *adapter)
 			QLCNIC_CDRP_CMD_TEMP_SIZE);
 	if (err != QLCNIC_RCODE_SUCCESS) {
 		err = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
-		dev_err(&adapter->pdev->dev,
-			"Failed to get template size %d\n", err);
+		dev_info(&adapter->pdev->dev,
+			"Can't get template size %d\n", err);
 		err = -EIO;
 		return err;
 	}
@@ -126,7 +126,7 @@ int qlcnic_fw_cmd_get_minidump_temp(struct qlcnic_adapter *adapter)
 		err = -EIO;
 		goto error;
 	}
-	tmp_tmpl = (struct qlcnic_dump_template_hdr *) tmp_addr;
+	tmp_tmpl = tmp_addr;
 	csum = qlcnic_temp_checksum((uint32_t *) tmp_addr, temp_size);
 	if (csum) {
 		dev_err(&adapter->pdev->dev,
@@ -139,17 +139,14 @@ int qlcnic_fw_cmd_get_minidump_temp(struct qlcnic_adapter *adapter)
 		err = -EIO;
 		goto error;
 	}
-	tmp_buf = (u32 *) tmp_addr;
+	tmp_buf = tmp_addr;
 	template = (u32 *) ahw->fw_dump.tmpl_hdr;
 	for (i = 0; i < temp_size/sizeof(u32); i++)
 		*template++ = __le32_to_cpu(*tmp_buf++);
 
 	tmpl_hdr = ahw->fw_dump.tmpl_hdr;
-	if (tmpl_hdr->cap_mask > QLCNIC_DUMP_MASK_DEF &&
-		tmpl_hdr->cap_mask <= QLCNIC_DUMP_MASK_MAX)
-		tmpl_hdr->drv_cap_mask = tmpl_hdr->cap_mask;
-	else
-		tmpl_hdr->drv_cap_mask = QLCNIC_DUMP_MASK_DEF;
+	tmpl_hdr->drv_cap_mask = QLCNIC_DUMP_MASK_DEF;
+	ahw->fw_dump.enable = 1;
 error:
 	dma_free_coherent(&adapter->pdev->dev, temp_size, tmp_addr, tmp_addr_t);
 	return err;
@@ -214,7 +211,7 @@ qlcnic_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
 			&hostrq_phys_addr, GFP_KERNEL);
 	if (addr == NULL)
 		return -ENOMEM;
-	prq = (struct qlcnic_hostrq_rx_ctx *)addr;
+	prq = addr;
 
 	addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
 			&cardrsp_phys_addr, GFP_KERNEL);
@@ -222,7 +219,7 @@ qlcnic_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
 		err = -ENOMEM;
 		goto out_free_rq;
 	}
-	prsp = (struct qlcnic_cardrsp_rx_ctx *)addr;
+	prsp = addr;
 
 	prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
 
@@ -380,10 +377,10 @@ qlcnic_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter)
 	}
 
 	memset(rq_addr, 0, rq_size);
-	prq = (struct qlcnic_hostrq_tx_ctx *)rq_addr;
+	prq = rq_addr;
 
 	memset(rsp_addr, 0, rsp_size);
-	prsp = (struct qlcnic_cardrsp_tx_ctx *)rsp_addr;
+	prsp = rsp_addr;
 
 	prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
 
@@ -493,7 +490,7 @@ int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
 		goto err_out_free;
 	}
 
-	tx_ring->desc_head = (struct cmd_desc_type0 *)addr;
+	tx_ring->desc_head = addr;
 
 	for (ring = 0; ring < adapter->max_rds_rings; ring++) {
 		rds_ring = &recv_ctx->rds_rings[ring];
@@ -506,7 +503,7 @@ int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
 			err = -ENOMEM;
 			goto err_out_free;
 		}
-		rds_ring->desc_head = (struct rcv_desc *)addr;
+		rds_ring->desc_head = addr;
 
 	}
 
@@ -522,7 +519,7 @@ int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
 			err = -ENOMEM;
 			goto err_out_free;
 		}
-		sds_ring->desc_head = (struct status_desc *)addr;
+		sds_ring->desc_head = addr;
 	}
 
 	return 0;
@@ -662,7 +659,7 @@ int qlcnic_get_nic_info(struct qlcnic_adapter *adapter,
 		return -ENOMEM;
 	memset(nic_info_addr, 0, nic_size);
 
-	nic_info = (struct qlcnic_info *) nic_info_addr;
+	nic_info = nic_info_addr;
 	err = qlcnic_issue_cmd(adapter,
 			adapter->ahw->pci_func,
 			adapter->fw_hal_version,
@@ -720,7 +717,7 @@ int qlcnic_set_nic_info(struct qlcnic_adapter *adapter, struct qlcnic_info *nic)
 		return -ENOMEM;
 
 	memset(nic_info_addr, 0, nic_size);
-	nic_info = (struct qlcnic_info *)nic_info_addr;
+	nic_info = nic_info_addr;
 
 	nic_info->pci_func = cpu_to_le16(nic->pci_func);
 	nic_info->op_mode = cpu_to_le16(nic->op_mode);
@@ -769,7 +766,7 @@ int qlcnic_get_pci_info(struct qlcnic_adapter *adapter,
 		return -ENOMEM;
 	memset(pci_info_addr, 0, pci_size);
 
-	npar = (struct qlcnic_pci_info *) pci_info_addr;
+	npar = pci_info_addr;
 	err = qlcnic_issue_cmd(adapter,
 			adapter->ahw->pci_func,
 			adapter->fw_hal_version,
@@ -877,7 +874,7 @@ int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
 			QLCNIC_CDRP_CMD_GET_ESWITCH_STATS);
 
 	if (!err) {
-		stats = (struct __qlcnic_esw_statistics *)stats_addr;
+		stats = stats_addr;
 		esw_stats->context_id = le16_to_cpu(stats->context_id);
 		esw_stats->version = le16_to_cpu(stats->version);
 		esw_stats->size = le16_to_cpu(stats->size);
diff --git a/drivers/net/qlcnic/qlcnic_ethtool.c b/drivers/net/qlcnic/qlcnic_ethtool.c
index 9efc690a289..72a723d5c98 100644
--- a/drivers/net/qlcnic/qlcnic_ethtool.c
+++ b/drivers/net/qlcnic/qlcnic_ethtool.c
@@ -84,7 +84,9 @@ static const char qlcnic_device_gstrings_stats[][ETH_GSTRING_LEN] = {
 static const char qlcnic_gstrings_test[][ETH_GSTRING_LEN] = {
 	"Register_Test_on_offline",
 	"Link_Test_on_offline",
-	"Interrupt_Test_offline"
+	"Interrupt_Test_offline",
+	"Internal_Loopback_offline",
+	"External_Loopback_offline"
 };
 
 #define QLCNIC_TEST_LEN	ARRAY_SIZE(qlcnic_gstrings_test)
@@ -685,6 +687,129 @@ clear_it:
 	return ret;
 }
 
+#define QLCNIC_ILB_PKT_SIZE 64
+#define QLCNIC_NUM_ILB_PKT	16
+#define QLCNIC_ILB_MAX_RCV_LOOP 10
+
+static void qlcnic_create_loopback_buff(unsigned char *data, u8 mac[])
+{
+	unsigned char random_data[] = {0xa8, 0x06, 0x45, 0x00};
+
+	memset(data, 0x4e, QLCNIC_ILB_PKT_SIZE);
+
+	memcpy(data, mac, ETH_ALEN);
+	memcpy(data + ETH_ALEN, mac, ETH_ALEN);
+
+	memcpy(data + 2 * ETH_ALEN, random_data, sizeof(random_data));
+}
+
+int qlcnic_check_loopback_buff(unsigned char *data, u8 mac[])
+{
+	unsigned char buff[QLCNIC_ILB_PKT_SIZE];
+	qlcnic_create_loopback_buff(buff, mac);
+	return memcmp(data, buff, QLCNIC_ILB_PKT_SIZE);
+}
+
+static int qlcnic_do_lb_test(struct qlcnic_adapter *adapter)
+{
+	struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
+	struct qlcnic_host_sds_ring *sds_ring = &recv_ctx->sds_rings[0];
+	struct sk_buff *skb;
+	int i, loop, cnt = 0;
+
+	for (i = 0; i < QLCNIC_NUM_ILB_PKT; i++) {
+		skb = dev_alloc_skb(QLCNIC_ILB_PKT_SIZE);
+		qlcnic_create_loopback_buff(skb->data, adapter->mac_addr);
+		skb_put(skb, QLCNIC_ILB_PKT_SIZE);
+
+		adapter->diag_cnt = 0;
+		qlcnic_xmit_frame(skb, adapter->netdev);
+
+		loop = 0;
+		do {
+			msleep(1);
+			qlcnic_process_rcv_ring_diag(sds_ring);
+			if (loop++ > QLCNIC_ILB_MAX_RCV_LOOP)
+				break;
+		} while (!adapter->diag_cnt);
+
+		dev_kfree_skb_any(skb);
+
+		if (!adapter->diag_cnt)
+			dev_warn(&adapter->pdev->dev, "LB Test: %dth packet"
+				" not recevied\n", i + 1);
+		else
+			cnt++;
+	}
+	if (cnt != i) {
+		dev_warn(&adapter->pdev->dev, "LB Test failed\n");
+		return -1;
+	}
+	return 0;
+}
+
+static int qlcnic_loopback_test(struct net_device *netdev, u8 mode)
+{
+	struct qlcnic_adapter *adapter = netdev_priv(netdev);
+	int max_sds_rings = adapter->max_sds_rings;
+	struct qlcnic_host_sds_ring *sds_ring;
+	int loop = 0;
+	int ret;
+
+	if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_MULTI_LOOPBACK)) {
+		netdev_info(netdev, "Firmware is not loopback test capable\n");
+		return -EOPNOTSUPP;
+	}
+
+	netdev_info(netdev, "%s loopback test in progress\n",
+		   mode == QLCNIC_ILB_MODE ? "internal" : "external");
+	if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) {
+		netdev_warn(netdev, "Loopback test not supported for non "
+				"privilege function\n");
+		return 0;
+	}
+
+	if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
+		return -EBUSY;
+
+	ret = qlcnic_diag_alloc_res(netdev, QLCNIC_LOOPBACK_TEST);
+	if (ret)
+		goto clear_it;
+
+	sds_ring = &adapter->recv_ctx->sds_rings[0];
+
+	ret = qlcnic_set_lb_mode(adapter, mode);
+	if (ret)
+		goto free_res;
+
+	adapter->diag_cnt = 0;
+	do {
+		msleep(500);
+		qlcnic_process_rcv_ring_diag(sds_ring);
+		if (loop++ > QLCNIC_ILB_MAX_RCV_LOOP) {
+			netdev_info(netdev, "firmware didnt respond to loopback"
+				" configure request\n");
+			ret = -QLCNIC_FW_NOT_RESPOND;
+			goto free_res;
+		} else if (adapter->diag_cnt) {
+			ret = adapter->diag_cnt;
+			goto free_res;
+		}
+	} while (!QLCNIC_IS_LB_CONFIGURED(adapter->ahw->loopback_state));
+
+	ret = qlcnic_do_lb_test(adapter);
+
+	qlcnic_clear_lb_mode(adapter);
+
+ free_res:
+	qlcnic_diag_free_res(netdev, max_sds_rings);
+
+ clear_it:
+	adapter->max_sds_rings = max_sds_rings;
+	clear_bit(__QLCNIC_RESETTING, &adapter->state);
+	return ret;
+}
+
 static void
 qlcnic_diag_test(struct net_device *dev, struct ethtool_test *eth_test,
 		     u64 *data)
@@ -704,7 +829,16 @@ qlcnic_diag_test(struct net_device *dev, struct ethtool_test *eth_test,
 		if (data[2])
 			eth_test->flags |= ETH_TEST_FL_FAILED;
 
+		data[3] = qlcnic_loopback_test(dev, QLCNIC_ILB_MODE);
+		if (data[3])
+			eth_test->flags |= ETH_TEST_FL_FAILED;
 
+		if (eth_test->flags & ETH_TEST_FL_EXTERNAL_LB) {
+			data[4] = qlcnic_loopback_test(dev, QLCNIC_ELB_MODE);
+			if (data[4])
+				eth_test->flags |= ETH_TEST_FL_FAILED;
+			eth_test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
+		}
 	}
 }
 
@@ -986,8 +1120,6 @@ qlcnic_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
 	struct qlcnic_adapter *adapter = netdev_priv(netdev);
 	struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
 
-	if (qlcnic_api_lock(adapter))
-		return -EIO;
 	if (!fw_dump->clr) {
 		netdev_info(netdev, "Dump not available\n");
 		qlcnic_api_unlock(adapter);
@@ -996,7 +1128,7 @@ qlcnic_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
 	/* Copy template header first */
 	copy_sz = fw_dump->tmpl_hdr->size;
 	hdr_ptr = (u32 *) fw_dump->tmpl_hdr;
-	data = (u32 *) buffer;
+	data = buffer;
 	for (i = 0; i < copy_sz/sizeof(u32); i++)
 		*data++ = cpu_to_le32(*hdr_ptr++);
 
@@ -1009,7 +1141,6 @@ qlcnic_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
 	vfree(fw_dump->data);
 	fw_dump->data = NULL;
 	fw_dump->clr = 0;
-	qlcnic_api_unlock(adapter);
 
 	return 0;
 }
@@ -1022,8 +1153,27 @@ qlcnic_set_dump(struct net_device *netdev, struct ethtool_dump *val)
 	struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
 
 	if (val->flag == QLCNIC_FORCE_FW_DUMP_KEY) {
+		if (!fw_dump->enable) {
+			netdev_info(netdev, "FW dump not enabled\n");
+			return ret;
+		}
+		if (fw_dump->clr) {
+			dev_info(&adapter->pdev->dev,
+			"Previous dump not cleared, not forcing dump\n");
+			return ret;
+		}
 		netdev_info(netdev, "Forcing a FW dump\n");
 		qlcnic_dev_request_reset(adapter);
+	} else if (val->flag == QLCNIC_DISABLE_FW_DUMP) {
+		if (fw_dump->enable) {
+			netdev_info(netdev, "Disabling FW dump\n");
+			fw_dump->enable = 0;
+		}
+	} else if (val->flag == QLCNIC_ENABLE_FW_DUMP) {
+		if (!fw_dump->enable && fw_dump->tmpl_hdr) {
+			netdev_info(netdev, "Enabling FW dump\n");
+			fw_dump->enable = 1;
+		}
 	} else {
 		if (val->flag > QLCNIC_DUMP_MASK_MAX ||
 			val->flag < QLCNIC_DUMP_MASK_MIN) {
@@ -1032,10 +1182,7 @@ qlcnic_set_dump(struct net_device *netdev, struct ethtool_dump *val)
 				ret = -EINVAL;
 				goto out;
 		}
-		if (qlcnic_api_lock(adapter))
-			return -EIO;
 		fw_dump->tmpl_hdr->drv_cap_mask = val->flag & 0xff;
-		qlcnic_api_unlock(adapter);
 		netdev_info(netdev, "Driver mask changed to: 0x%x\n",
 			fw_dump->tmpl_hdr->drv_cap_mask);
 	}
diff --git a/drivers/net/qlcnic/qlcnic_hw.c b/drivers/net/qlcnic/qlcnic_hw.c
index a5d9fbf9d81..4055c218ef2 100644
--- a/drivers/net/qlcnic/qlcnic_hw.c
+++ b/drivers/net/qlcnic/qlcnic_hw.c
@@ -446,6 +446,13 @@ void qlcnic_set_multi(struct net_device *netdev)
 	}
 
 send_fw_cmd:
+	if (mode == VPORT_MISS_MODE_ACCEPT_ALL) {
+		qlcnic_alloc_lb_filters_mem(adapter);
+		adapter->mac_learn = 1;
+	} else {
+		adapter->mac_learn = 0;
+	}
+
 	qlcnic_nic_set_promisc(adapter, mode);
 }
 
@@ -533,6 +540,56 @@ void qlcnic_delete_lb_filters(struct qlcnic_adapter *adapter)
 	}
 }
 
+int qlcnic_set_fw_loopback(struct qlcnic_adapter *adapter, u8 flag)
+{
+	struct qlcnic_nic_req req;
+	int rv;
+
+	memset(&req, 0, sizeof(struct qlcnic_nic_req));
+
+	req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
+	req.req_hdr = cpu_to_le64(QLCNIC_H2C_OPCODE_CONFIG_LOOPBACK |
+		((u64) adapter->portnum << 16) | ((u64) 0x1 << 32));
+
+	req.words[0] = cpu_to_le64(flag);
+
+	rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
+	if (rv != 0)
+		dev_err(&adapter->pdev->dev, "%sting loopback mode failed\n",
+				flag ? "Set" : "Reset");
+	return rv;
+}
+
+int qlcnic_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode)
+{
+	if (qlcnic_set_fw_loopback(adapter, mode))
+		return -EIO;
+
+	if (qlcnic_nic_set_promisc(adapter, VPORT_MISS_MODE_ACCEPT_ALL)) {
+		qlcnic_set_fw_loopback(adapter, mode);
+		return -EIO;
+	}
+
+	msleep(1000);
+	return 0;
+}
+
+void qlcnic_clear_lb_mode(struct qlcnic_adapter *adapter)
+{
+	int mode = VPORT_MISS_MODE_DROP;
+	struct net_device *netdev = adapter->netdev;
+
+	qlcnic_set_fw_loopback(adapter, 0);
+
+	if (netdev->flags & IFF_PROMISC)
+		mode = VPORT_MISS_MODE_ACCEPT_ALL;
+	else if (netdev->flags & IFF_ALLMULTI)
+		mode = VPORT_MISS_MODE_ACCEPT_MULTI;
+
+	qlcnic_nic_set_promisc(adapter, mode);
+	msleep(1000);
+}
+
 /*
  * Send the interrupt coalescing parameter set by ethtool to the card.
  */
@@ -1509,18 +1566,26 @@ qlcnic_dump_l2_cache(struct qlcnic_adapter *adapter,
 
 	for (i = 0; i < l2->no_ops; i++) {
 		QLCNIC_WR_DUMP_REG(l2->addr, base, val);
-		do {
+		if (LSW(l2->ctrl_val))
 			QLCNIC_WR_DUMP_REG(l2->ctrl_addr, base,
 				LSW(l2->ctrl_val));
+		if (!poll_mask)
+			goto skip_poll;
+		do {
 			QLCNIC_RD_DUMP_REG(l2->ctrl_addr, base, &data);
 			if (!(data & poll_mask))
 				break;
 			msleep(1);
 			time_out++;
 		} while (time_out <= poll_to);
-		if (time_out > poll_to)
-			return -EINVAL;
 
+		if (time_out > poll_to) {
+			dev_err(&adapter->pdev->dev,
+				"Timeout exceeded in %s, aborting dump\n",
+				__func__);
+			return -EINVAL;
+		}
+skip_poll:
 		addr = l2->read_addr;
 		cnt = l2->read_addr_num;
 		while (cnt) {
@@ -1673,8 +1738,7 @@ int qlcnic_dump_fw(struct qlcnic_adapter *adapter)
 	tmpl_hdr->sys_info[1] = adapter->fw_version;
 
 	for (i = 0; i < no_entries; i++) {
-		entry = (struct qlcnic_dump_entry *) ((void *) tmpl_hdr +
-			entry_offset);
+		entry = (void *)tmpl_hdr + entry_offset;
 		if (!(entry->hdr.mask & tmpl_hdr->drv_cap_mask)) {
 			entry->hdr.flags |= QLCNIC_DUMP_SKIP;
 			entry_offset += entry->hdr.offset;
diff --git a/drivers/net/qlcnic/qlcnic_init.c b/drivers/net/qlcnic/qlcnic_init.c
index 5b8bbcf904d..ee8a3982395 100644
--- a/drivers/net/qlcnic/qlcnic_init.c
+++ b/drivers/net/qlcnic/qlcnic_init.c
@@ -1281,6 +1281,7 @@ qlcnic_handle_linkevent(struct qlcnic_adapter *adapter,
 	u16 cable_len;
 	u16 link_speed;
 	u8  link_status, module, duplex, autoneg;
+	u8 lb_status = 0;
 	struct net_device *netdev = adapter->netdev;
 
 	adapter->has_link_events = 1;
@@ -1292,6 +1293,7 @@ qlcnic_handle_linkevent(struct qlcnic_adapter *adapter,
 	link_status = msg->body[2] & 0xff;
 	duplex = (msg->body[2] >> 16) & 0xff;
 	autoneg = (msg->body[2] >> 24) & 0xff;
+	lb_status = (msg->body[2] >> 32) & 0x3;
 
 	module = (msg->body[2] >> 8) & 0xff;
 	if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE)
@@ -1301,6 +1303,10 @@ qlcnic_handle_linkevent(struct qlcnic_adapter *adapter,
 		dev_info(&netdev->dev, "unsupported cable length %d\n",
 				cable_len);
 
+	if (!link_status && (lb_status == QLCNIC_ILB_MODE ||
+	    lb_status == QLCNIC_ELB_MODE))
+		adapter->ahw->loopback_state |= QLCNIC_LINKEVENT;
+
 	qlcnic_advert_link_change(adapter, link_status);
 
 	if (duplex == LINKEVENT_FULL_DUPLEX)
@@ -1319,7 +1325,9 @@ qlcnic_handle_fw_message(int desc_cnt, int index,
 {
 	struct qlcnic_fw_msg msg;
 	struct status_desc *desc;
-	int i = 0, opcode;
+	struct qlcnic_adapter *adapter;
+	struct device *dev;
+	int i = 0, opcode, ret;
 
 	while (desc_cnt > 0 && i < 8) {
 		desc = &sds_ring->desc_head[index];
@@ -1330,10 +1338,34 @@ qlcnic_handle_fw_message(int desc_cnt, int index,
 		desc_cnt--;
 	}
 
+	adapter = sds_ring->adapter;
+	dev = &adapter->pdev->dev;
 	opcode = qlcnic_get_nic_msg_opcode(msg.body[0]);
+
 	switch (opcode) {
 	case QLCNIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE:
-		qlcnic_handle_linkevent(sds_ring->adapter, &msg);
+		qlcnic_handle_linkevent(adapter, &msg);
+		break;
+	case QLCNIC_C2H_OPCODE_CONFIG_LOOPBACK:
+		ret = (u32)(msg.body[1]);
+		switch (ret) {
+		case 0:
+			adapter->ahw->loopback_state |= QLCNIC_LB_RESPONSE;
+			break;
+		case 1:
+			dev_info(dev, "loopback already in progress\n");
+			adapter->diag_cnt = -QLCNIC_TEST_IN_PROGRESS;
+			break;
+		case 2:
+			dev_info(dev, "loopback cable is not connected\n");
+			adapter->diag_cnt = -QLCNIC_LB_CABLE_NOT_CONN;
+			break;
+		default:
+			dev_info(dev, "loopback configure request failed,"
+					" ret %x\n", ret);
+			adapter->diag_cnt = -QLCNIC_UNDEFINED_ERROR;
+			break;
+		}
 		break;
 	default:
 		break;
@@ -1746,6 +1778,103 @@ qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter *adapter,
 	spin_unlock(&rds_ring->lock);
 }
 
+static void dump_skb(struct sk_buff *skb)
+{
+	int i;
+	unsigned char *data = skb->data;
+
+	printk(KERN_INFO "\n");
+	for (i = 0; i < skb->len; i++) {
+		printk(KERN_INFO "%02x ", data[i]);
+		if ((i & 0x0f) == 8)
+			printk(KERN_INFO "\n");
+	}
+}
+
+void qlcnic_process_rcv_diag(struct qlcnic_adapter *adapter,
+		struct qlcnic_host_sds_ring *sds_ring,
+		int ring, u64 sts_data0)
+{
+	struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
+	struct sk_buff *skb;
+	struct qlcnic_host_rds_ring *rds_ring;
+	int index, length, cksum, pkt_offset;
+
+	if (unlikely(ring >= adapter->max_rds_rings))
+		return;
+
+	rds_ring = &recv_ctx->rds_rings[ring];
+
+	index = qlcnic_get_sts_refhandle(sts_data0);
+	length = qlcnic_get_sts_totallength(sts_data0);
+	if (unlikely(index >= rds_ring->num_desc))
+		return;
+
+	cksum  = qlcnic_get_sts_status(sts_data0);
+	pkt_offset = qlcnic_get_sts_pkt_offset(sts_data0);
+
+	skb = qlcnic_process_rxbuf(adapter, rds_ring, index, cksum);
+	if (!skb)
+		return;
+
+	if (length > rds_ring->skb_size)
+		skb_put(skb, rds_ring->skb_size);
+	else
+		skb_put(skb, length);
+
+	if (pkt_offset)
+		skb_pull(skb, pkt_offset);
+
+	if (!qlcnic_check_loopback_buff(skb->data, adapter->mac_addr))
+		adapter->diag_cnt++;
+	else
+		dump_skb(skb);
+
+	dev_kfree_skb_any(skb);
+	adapter->stats.rx_pkts++;
+	adapter->stats.rxbytes += length;
+
+	return;
+}
+
+void
+qlcnic_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring)
+{
+	struct qlcnic_adapter *adapter = sds_ring->adapter;
+	struct status_desc *desc;
+	u64 sts_data0;
+	int ring, opcode, desc_cnt;
+
+	u32 consumer = sds_ring->consumer;
+
+	desc = &sds_ring->desc_head[consumer];
+	sts_data0 = le64_to_cpu(desc->status_desc_data[0]);
+
+	if (!(sts_data0 & STATUS_OWNER_HOST))
+		return;
+
+	desc_cnt = qlcnic_get_sts_desc_cnt(sts_data0);
+	opcode = qlcnic_get_sts_opcode(sts_data0);
+	switch (opcode) {
+	case QLCNIC_RESPONSE_DESC:
+		qlcnic_handle_fw_message(desc_cnt, consumer, sds_ring);
+		break;
+	default:
+		ring = qlcnic_get_sts_type(sts_data0);
+		qlcnic_process_rcv_diag(adapter, sds_ring, ring, sts_data0);
+		break;
+	}
+
+	for (; desc_cnt > 0; desc_cnt--) {
+		desc = &sds_ring->desc_head[consumer];
+		desc->status_desc_data[0] = cpu_to_le64(STATUS_OWNER_PHANTOM);
+		consumer = get_next_index(consumer, sds_ring->num_desc);
+	}
+
+	sds_ring->consumer = consumer;
+	writel(consumer, sds_ring->crb_sts_consumer);
+}
+
 void
 qlcnic_fetch_mac(struct qlcnic_adapter *adapter, u32 off1, u32 off2,
 			u8 alt_mac, u8 *mac)
diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index 0f6af5c61a7..5ca1b562443 100644
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -90,7 +90,6 @@ static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
 static void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long);
 static int qlcnic_start_firmware(struct qlcnic_adapter *);
 
-static void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter);
 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
 static int qlcnicvf_config_led(struct qlcnic_adapter *, u32, u32);
@@ -418,10 +417,8 @@ qlcnic_setup_intr(struct qlcnic_adapter *adapter)
 	int num_msix;
 
 	if (adapter->msix_supported) {
-		num_msix = (num_online_cpus() >=
-			QLCNIC_DEF_NUM_STS_DESC_RINGS) ?
-			QLCNIC_DEF_NUM_STS_DESC_RINGS :
-			QLCNIC_MIN_NUM_RSS_RINGS;
+		num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
+				QLCNIC_DEF_NUM_STS_DESC_RINGS));
 	} else
 		num_msix = 1;
 
@@ -1393,6 +1390,12 @@ int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
 			qlcnic_enable_int(sds_ring);
 		}
 	}
+
+	if (adapter->diag_test == QLCNIC_LOOPBACK_TEST) {
+		adapter->ahw->loopback_state = 0;
+		qlcnic_linkevent_request(adapter, 1);
+	}
+
 	set_bit(__QLCNIC_DEV_UP, &adapter->state);
 
 	return 0;
@@ -1487,8 +1490,6 @@ qlcnic_setup_netdev(struct qlcnic_adapter *adapter,
 
 	netdev->irq = adapter->msix_entries[0].vector;
 
-	netif_carrier_off(netdev);
-
 	err = register_netdev(netdev);
 	if (err) {
 		dev_err(&pdev->dev, "failed to register net device\n");
@@ -1576,6 +1577,7 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	adapter->dev_rst_time = jiffies;
 	revision_id = pdev->revision;
 	adapter->ahw->revision_id = revision_id;
+	adapter->mac_learn = qlcnic_mac_learn;
 
 	rwlock_init(&adapter->ahw->crb_lock);
 	mutex_init(&adapter->ahw->mem_lock);
@@ -1590,10 +1592,6 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	/* This will be reset for mezz cards  */
 	adapter->portnum = adapter->ahw->pci_func;
 
-	/* Get FW dump template and store it */
-	if (adapter->op_mode != QLCNIC_NON_PRIV_FUNC)
-		qlcnic_fw_cmd_get_minidump_temp(adapter);
-
 	err = qlcnic_get_board_info(adapter);
 	if (err) {
 		dev_err(&pdev->dev, "Error getting board config info.\n");
@@ -1612,6 +1610,12 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		goto err_out_decr_ref;
 	}
 
+	/* Get FW dump template and store it */
+	if (adapter->op_mode != QLCNIC_NON_PRIV_FUNC)
+		if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
+			dev_info(&pdev->dev,
+				"Supports FW dump capability\n");
+
 	if (qlcnic_read_mac_addr(adapter))
 		dev_warn(&pdev->dev, "failed to read mac addr\n");
 
@@ -1650,7 +1654,9 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		break;
 	}
 
-	qlcnic_alloc_lb_filters_mem(adapter);
+	if (adapter->mac_learn)
+		qlcnic_alloc_lb_filters_mem(adapter);
+
 	qlcnic_create_diag_entries(adapter);
 
 	return 0;
@@ -1816,6 +1822,8 @@ static int qlcnic_open(struct net_device *netdev)
 	struct qlcnic_adapter *adapter = netdev_priv(netdev);
 	int err;
 
+	netif_carrier_off(netdev);
+
 	err = qlcnic_attach(adapter);
 	if (err)
 		return err;
@@ -1844,13 +1852,12 @@ static int qlcnic_close(struct net_device *netdev)
 	return 0;
 }
 
-static void
-qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
+void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
 {
 	void *head;
 	int i;
 
-	if (!qlcnic_mac_learn)
+	if (adapter->fhash.fmax && adapter->fhash.fhead)
 		return;
 
 	spin_lock_init(&adapter->mac_learn_lock);
@@ -1861,7 +1868,7 @@ qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
 		return;
 
 	adapter->fhash.fmax = QLCNIC_LB_MAX_FILTERS;
-	adapter->fhash.fhead = (struct hlist_head *)head;
+	adapter->fhash.fhead = head;
 
 	for (i = 0; i < adapter->fhash.fmax; i++)
 		INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
@@ -2280,14 +2287,14 @@ qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 	if (unlikely(qlcnic_tx_pkt(adapter, first_desc, skb)))
 		goto unwind_buff;
 
-	if (qlcnic_mac_learn)
+	if (adapter->mac_learn)
 		qlcnic_send_filter(adapter, tx_ring, first_desc, skb);
 
-	qlcnic_update_cmd_producer(adapter, tx_ring);
-
 	adapter->stats.txbytes += skb->len;
 	adapter->stats.xmitcalled++;
 
+	qlcnic_update_cmd_producer(adapter, tx_ring);
+
 	return NETDEV_TX_OK;
 
 unwind_buff:
@@ -2683,11 +2690,16 @@ err:
 static int
 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
 {
-	int act, state;
+	int act, state, active_mask;
 
 	state = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
 	act = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
 
+	if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
+		active_mask = (~(1 << (adapter->ahw->pci_func * 4)));
+		act = act & active_mask;
+	}
+
 	if (((state & 0x11111111) == (act & 0x11111111)) ||
 			((act & 0x11111111) == ((state >> 1) & 0x11111111)))
 		return 0;
@@ -2800,6 +2812,7 @@ qlcnic_fwinit_work(struct work_struct *work)
 	struct qlcnic_adapter *adapter = container_of(work,
 			struct qlcnic_adapter, fw_work.work);
 	u32 dev_state = 0xf;
+	u32 val;
 
 	if (qlcnic_api_lock(adapter))
 		goto err_ret;
@@ -2834,12 +2847,22 @@ skip_ack_check:
 			set_bit(__QLCNIC_START_FW, &adapter->state);
 			QLCDB(adapter, DRV, "Restarting fw\n");
 			qlcnic_idc_debug_info(adapter, 0);
-			QLCDB(adapter, DRV, "Take FW dump\n");
-			qlcnic_dump_fw(adapter);
+			val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
+			QLC_DEV_SET_RST_RDY(val, adapter->portnum);
+			QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
 		}
 
 		qlcnic_api_unlock(adapter);
 
+		rtnl_lock();
+		if (adapter->ahw->fw_dump.enable &&
+		    (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
+			QLCDB(adapter, DRV, "Take FW dump\n");
+			qlcnic_dump_fw(adapter);
+		}
+		rtnl_unlock();
+
+		adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
 		if (!adapter->nic_ops->start_firmware(adapter)) {
 			qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
 			adapter->fw_wait_cnt = 0;
@@ -2900,9 +2923,11 @@ qlcnic_detach_work(struct work_struct *work)
 
 	if (adapter->temp == QLCNIC_TEMP_PANIC)
 		goto err_ret;
-
-	if (qlcnic_set_drv_state(adapter, adapter->dev_state))
-		goto err_ret;
+	/* Dont ack if this instance is the rese