[SCSI] qla4xxx: added support to update initiator iscsi port

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

drivers/scsi/qla4xxx/ql4_def.h

@@ -344,6 +344,8 @@ struct ipaddress_config {
 	struct in6_addr ipv6_addr1;
 	struct in6_addr ipv6_default_router_addr;
 	uint16_t eth_mtu_size;
+	uint16_t ipv4_port;
+	uint16_t ipv6_port;
 };
 
 #define QL4_CHAP_MAX_NAME_LEN 256

drivers/scsi/qla4xxx/ql4_mbx.c

@@ -335,6 +335,7 @@ qla4xxx_update_local_ip(struct scsi_qla_host *ha,
 				le16_to_cpu(init_fw_cb->ipv4_addr_state);
 	ha->ip_config.eth_mtu_size =
 				le16_to_cpu(init_fw_cb->eth_mtu_size);
+	ha->ip_config.ipv4_port = le16_to_cpu(init_fw_cb->ipv4_port);
 
 	if (ha->acb_version == ACB_SUPPORTED) {
 		ha->ip_config.ipv6_options = le16_to_cpu(init_fw_cb->ipv6_opts);
@@ -384,6 +385,7 @@ qla4xxx_update_local_ip(struct scsi_qla_host *ha,
 			   sizeof(init_fw_cb->ipv6_dflt_rtr_addr)));
 		ha->ip_config.ipv6_vlan_tag =
 				be16_to_cpu(init_fw_cb->ipv6_vlan_tag);
+		ha->ip_config.ipv6_port = le16_to_cpu(init_fw_cb->ipv6_port);
 	}
 }
 

drivers/scsi/qla4xxx/ql4_os.c

@@ -231,6 +231,7 @@ static mode_t ql4_attr_is_visible(int param_type, int param)
 		case ISCSI_NET_PARAM_VLAN_PRIORITY:
 		case ISCSI_NET_PARAM_VLAN_ENABLED:
 		case ISCSI_NET_PARAM_MTU:
+		case ISCSI_NET_PARAM_PORT:
 			return S_IRUGO;
 		default:
 			return 0;
@@ -339,6 +340,12 @@ static int qla4xxx_get_iface_param(struct iscsi_iface *iface,
 	case ISCSI_NET_PARAM_MTU:
 		len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size);
 		break;
+	case ISCSI_NET_PARAM_PORT:
+		if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
+			len = sprintf(buf, "%d\n", ha->ip_config.ipv4_port);
+		else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
+			len = sprintf(buf, "%d\n", ha->ip_config.ipv6_port);
+		break;
 	default:
 		len = -ENOSYS;
 	}
@@ -726,6 +733,14 @@ static void qla4xxx_set_ipv6(struct scsi_qla_host *ha,
 		init_fw_cb->eth_mtu_size =
 				cpu_to_le16(*(uint16_t *)iface_param->value);
 		break;
+	case ISCSI_NET_PARAM_PORT:
+		/* Autocfg applies to even interface */
+		if (iface_param->iface_num & 0x1)
+			break;
+
+		init_fw_cb->ipv6_port =
+				cpu_to_le16(*(uint16_t *)iface_param->value);
+		break;
 	default:
 		ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n",
 			   iface_param->param);
@@ -790,6 +805,10 @@ static void qla4xxx_set_ipv4(struct scsi_qla_host *ha,
 		init_fw_cb->eth_mtu_size =
 				cpu_to_le16(*(uint16_t *)iface_param->value);
 		break;
+	case ISCSI_NET_PARAM_PORT:
+		init_fw_cb->ipv4_port =
+				cpu_to_le16(*(uint16_t *)iface_param->value);
+		break;
 	default:
 		ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n",
 			   iface_param->param);