qlcnic: Add support for configuring eswitch and npars

Following changes are made:
1.Obtain capabilities of Nic partition.
2.Configure tx bandwidth of particular Nic partition.
3.Configure the eswitch for setting port mirroring, enable mac
learning, promiscous mode.
Signed-off-by: Rajesh K Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/qlcnic/qlcnic.h

@@ -959,8 +959,6 @@ struct qlcnic_adapter {
 	u16 switch_mode;
 	u16 max_tx_ques;
 	u16 max_rx_ques;
-	u16 min_tx_bw;
-	u16 max_tx_bw;
 	u16 max_mtu;
 
 	u32 fw_hal_version;
@@ -984,7 +982,7 @@ struct qlcnic_adapter {
 
 	u64 dev_rst_time;
 
-	struct qlcnic_pci_info *npars;
+	struct qlcnic_npar_info *npars;
 	struct qlcnic_eswitch *eswitch;
 	struct qlcnic_nic_template *nic_ops;
 
@@ -1042,6 +1040,18 @@ struct qlcnic_pci_info {
 	u8	reserved2[106];
 };
 
+struct qlcnic_npar_info {
+	u16	vlan_id;
+	u8	phy_port;
+	u8	type;
+	u8	active;
+	u8	enable_pm;
+	u8	dest_npar;
+	u8	host_vlan_tag;
+	u8	promisc_mode;
+	u8	discard_tagged;
+	u8	mac_learning;
+};
 struct qlcnic_eswitch {
 	u8	port;
 	u8	active_vports;
@@ -1057,6 +1067,63 @@ struct qlcnic_eswitch {
 #define QLCNIC_SWITCH_PORT_MIRRORING	BIT_4
 };
 
+
+/* Return codes for Error handling */
+#define QL_STATUS_INVALID_PARAM	-1
+
+#define MAX_BW			10000
+#define MIN_BW			100
+#define MAX_VLAN_ID		4095
+#define MIN_VLAN_ID		2
+#define MAX_TX_QUEUES		1
+#define MAX_RX_QUEUES		4
+#define DEFAULT_MAC_LEARN	1
+
+#define IS_VALID_VLAN(vlan)	(vlan >= MIN_VLAN_ID && vlan <= MAX_VLAN_ID)
+#define IS_VALID_BW(bw)		(bw >= MIN_BW && bw <= MAX_BW \
+							&& (bw % 100) == 0)
+#define IS_VALID_TX_QUEUES(que)	(que > 0 && que <= MAX_TX_QUEUES)
+#define IS_VALID_RX_QUEUES(que)	(que > 0 && que <= MAX_RX_QUEUES)
+#define IS_VALID_MODE(mode)	(mode == 0 || mode == 1)
+
+struct qlcnic_pci_func_cfg {
+	u16	func_type;
+	u16	min_bw;
+	u16	max_bw;
+	u16	port_num;
+	u8	pci_func;
+	u8	func_state;
+	u8	def_mac_addr[6];
+};
+
+struct qlcnic_npar_func_cfg {
+	u32	fw_capab;
+	u16	port_num;
+	u16	min_bw;
+	u16	max_bw;
+	u16	max_tx_queues;
+	u16	max_rx_queues;
+	u8	pci_func;
+	u8	op_mode;
+};
+
+struct qlcnic_pm_func_cfg {
+	u8	pci_func;
+	u8	action;
+	u8	dest_npar;
+	u8	reserved[5];
+};
+
+struct qlcnic_esw_func_cfg {
+	u16	vlan_id;
+	u8	pci_func;
+	u8	host_vlan_tag;
+	u8	promisc_mode;
+	u8	discard_tagged;
+	u8	mac_learning;
+	u8	reserved;
+};
+
 int qlcnic_fw_cmd_query_phy(struct qlcnic_adapter *adapter, u32 reg, u32 *val);
 int qlcnic_fw_cmd_set_phy(struct qlcnic_adapter *adapter, u32 reg, u32 val);
 
@@ -1169,9 +1236,9 @@ void qlcnic_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring);
 /* Management functions */
 int qlcnic_set_mac_address(struct qlcnic_adapter *, u8*);
 int qlcnic_get_mac_address(struct qlcnic_adapter *, u8*);
-int qlcnic_get_nic_info(struct qlcnic_adapter *, u8);
+int qlcnic_get_nic_info(struct qlcnic_adapter *, struct qlcnic_info *, u8);
 int qlcnic_set_nic_info(struct qlcnic_adapter *, struct qlcnic_info *);
-int qlcnic_get_pci_info(struct qlcnic_adapter *);
+int qlcnic_get_pci_info(struct qlcnic_adapter *, struct qlcnic_pci_info*);
 int qlcnic_reset_partition(struct qlcnic_adapter *, u8);
 
 /*  eSwitch management functions */

drivers/net/qlcnic/qlcnic_ctx.c

@@ -611,7 +611,8 @@ int qlcnic_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac)
 }
 
 /* Get info of a NIC partition */
-int qlcnic_get_nic_info(struct qlcnic_adapter *adapter, u8 func_id)
+int qlcnic_get_nic_info(struct qlcnic_adapter *adapter,
+				struct qlcnic_info *npar_info, u8 func_id)
 {
 	int	err;
 	dma_addr_t nic_dma_t;
@@ -635,29 +636,23 @@ int qlcnic_get_nic_info(struct qlcnic_adapter *adapter, u8 func_id)
 			QLCNIC_CDRP_CMD_GET_NIC_INFO);
 
 	if (err == QLCNIC_RCODE_SUCCESS) {
-		adapter->physical_port = le16_to_cpu(nic_info->phys_port);
-		adapter->switch_mode = le16_to_cpu(nic_info->switch_mode);
-		adapter->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
-		adapter->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
-		adapter->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
-		adapter->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
-		adapter->max_mtu = le16_to_cpu(nic_info->max_mtu);
-		adapter->capabilities = le32_to_cpu(nic_info->capabilities);
-		adapter->max_mac_filters = nic_info->max_mac_filters;
-
-		if (adapter->capabilities & BIT_6)
-			adapter->flags |= QLCNIC_ESWITCH_ENABLED;
-		else
-			adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
+		npar_info->phys_port = le16_to_cpu(nic_info->phys_port);
+		npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode);
+		npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
+		npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
+		npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
+		npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
+		npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
+		npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
 
 		dev_info(&adapter->pdev->dev,
 			"phy port: %d switch_mode: %d,\n"
 			"\tmax_tx_q: %d max_rx_q: %d min_tx_bw: 0x%x,\n"
 			"\tmax_tx_bw: 0x%x max_mtu:0x%x, capabilities: 0x%x\n",
-			adapter->physical_port, adapter->switch_mode,
-			adapter->max_tx_ques, adapter->max_rx_ques,
-			adapter->min_tx_bw, adapter->max_tx_bw,
-			adapter->max_mtu, adapter->capabilities);
+			npar_info->phys_port, npar_info->switch_mode,
+			npar_info->max_tx_ques, npar_info->max_rx_ques,
+			npar_info->min_tx_bw, npar_info->max_tx_bw,
+			npar_info->max_mtu, npar_info->capabilities);
 	} else {
 		dev_err(&adapter->pdev->dev,
 			"Failed to get nic info%d\n", err);
@@ -672,7 +667,6 @@ int qlcnic_get_nic_info(struct qlcnic_adapter *adapter, u8 func_id)
 int qlcnic_set_nic_info(struct qlcnic_adapter *adapter, struct qlcnic_info *nic)
 {
 	int err = -EIO;
-	u32 func_state;
 	dma_addr_t nic_dma_t;
 	void *nic_info_addr;
 	struct qlcnic_info *nic_info;
@@ -681,17 +675,6 @@ int qlcnic_set_nic_info(struct qlcnic_adapter *adapter, struct qlcnic_info *nic)
 	if (adapter->op_mode != QLCNIC_MGMT_FUNC)
 		return err;
 
-	if (qlcnic_api_lock(adapter))
-		return err;
-
-	func_state = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT);
-	if (QLC_DEV_CHECK_ACTIVE(func_state, nic->pci_func)) {
-		qlcnic_api_unlock(adapter);
-		return err;
-	}
-
-	qlcnic_api_unlock(adapter);
-
 	nic_info_addr = pci_alloc_consistent(adapter->pdev, nic_size,
 			&nic_dma_t);
 	if (!nic_info_addr)
@@ -716,7 +699,7 @@ int qlcnic_set_nic_info(struct qlcnic_adapter *adapter, struct qlcnic_info *nic)
 			adapter->fw_hal_version,
 			MSD(nic_dma_t),
 			LSD(nic_dma_t),
-			nic_size,
+			((nic->pci_func << 16) | nic_size),
 			QLCNIC_CDRP_CMD_SET_NIC_INFO);
 
 	if (err != QLCNIC_RCODE_SUCCESS) {
@@ -730,7 +713,8 @@ int qlcnic_set_nic_info(struct qlcnic_adapter *adapter, struct qlcnic_info *nic)
 }
 
 /* Get PCI Info of a partition */
-int qlcnic_get_pci_info(struct qlcnic_adapter *adapter)
+int qlcnic_get_pci_info(struct qlcnic_adapter *adapter,
+				struct qlcnic_pci_info *pci_info)
 {
 	int err = 0, i;
 	dma_addr_t pci_info_dma_t;
@@ -745,21 +729,6 @@ int qlcnic_get_pci_info(struct qlcnic_adapter *adapter)
 		return -ENOMEM;
 	memset(pci_info_addr, 0, pci_size);
 
-	if (!adapter->npars)
-		adapter->npars = kzalloc(pci_size, GFP_KERNEL);
-	if (!adapter->npars) {
-		err = -ENOMEM;
-		goto err_npar;
-	}
-
-	if (!adapter->eswitch)
-		adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
-				QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
-	if (!adapter->eswitch) {
-		err = -ENOMEM;
-		goto err_eswitch;
-	}
-
 	npar = (struct qlcnic_pci_info *) pci_info_addr;
 	err = qlcnic_issue_cmd(adapter,
 			adapter->ahw.pci_func,
@@ -770,31 +739,24 @@ int qlcnic_get_pci_info(struct qlcnic_adapter *adapter)
 			QLCNIC_CDRP_CMD_GET_PCI_INFO);
 
 	if (err == QLCNIC_RCODE_SUCCESS) {
-		for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++, npar++) {
-			adapter->npars[i].id = le32_to_cpu(npar->id);
-			adapter->npars[i].active = le32_to_cpu(npar->active);
-			adapter->npars[i].type = le32_to_cpu(npar->type);
-			adapter->npars[i].default_port =
+		for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++, npar++, pci_info++) {
+			pci_info->id = le32_to_cpu(npar->id);
+			pci_info->active = le32_to_cpu(npar->active);
+			pci_info->type = le32_to_cpu(npar->type);
+			pci_info->default_port =
 				le32_to_cpu(npar->default_port);
-			adapter->npars[i].tx_min_bw =
+			pci_info->tx_min_bw =
 				le32_to_cpu(npar->tx_min_bw);
-			adapter->npars[i].tx_max_bw =
+			pci_info->tx_max_bw =
 				le32_to_cpu(npar->tx_max_bw);
-			memcpy(adapter->npars[i].mac, npar->mac, ETH_ALEN);
+			memcpy(pci_info->mac, npar->mac, ETH_ALEN);
 		}
 	} else {
 		dev_err(&adapter->pdev->dev,
 			"Failed to get PCI Info%d\n", err);
-		kfree(adapter->npars);
 		err = -EIO;
 	}
-	goto err_npar;
-
-err_eswitch:
-	kfree(adapter->npars);
-	adapter->npars = NULL;
 
-err_npar:
 	pci_free_consistent(adapter->pdev, pci_size, pci_info_addr,
 		pci_info_dma_t);
 	return err;
@@ -1012,9 +974,7 @@ int qlcnic_config_switch_port(struct qlcnic_adapter *adapter, u8 id,
 	if (err != QLCNIC_RCODE_SUCCESS) {
 		dev_err(&adapter->pdev->dev,
 			"Failed to configure eswitch port%d\n", eswitch->port);
-		eswitch->flags |= QLCNIC_SWITCH_ENABLE;
 	} else {
-		eswitch->flags &= ~QLCNIC_SWITCH_ENABLE;
 		dev_info(&adapter->pdev->dev,
 			"Configured eSwitch for port %d\n", eswitch->port);
 	}