[SCSI] qla4xxx: Add support for ISCSI_PARAM_LOCAL_IPADDR sysfs attr

Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com>
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>

diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 295b8d4..9b8a2c3 100644 (file)
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -421,6 +421,7 @@ static umode_t qla4_attr_is_visible(int param_type, int param)
                case ISCSI_PARAM_EXP_STATSN:
                case ISCSI_PARAM_DISCOVERY_PARENT_IDX:
                case ISCSI_PARAM_DISCOVERY_PARENT_TYPE:
+               case ISCSI_PARAM_LOCAL_IPADDR:
                        return S_IRUGO;
                default:
                        return 0;
@@ -3622,6 +3623,7 @@ static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn,
        unsigned long options = 0;
        uint16_t ddb_link;
        uint16_t disc_parent;
+       char ip_addr[DDB_IPADDR_LEN];
 
        options = le16_to_cpu(fw_ddb_entry->options);
        conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options);
@@ -3703,6 +3705,14 @@ static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn,
 
        iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS,
                        (char *)fw_ddb_entry->iscsi_alias, 0);
+
+       options = le16_to_cpu(fw_ddb_entry->options);
+       if (options & DDB_OPT_IPV6_DEVICE) {
+               memset(ip_addr, 0, sizeof(ip_addr));
+               sprintf(ip_addr, "%pI6", fw_ddb_entry->link_local_ipv6_addr);
+               iscsi_set_param(conn->cls_conn, ISCSI_PARAM_LOCAL_IPADDR,
+                               (char *)ip_addr, 0);
+       }
 }
 
 static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,