[SCSI] be2iscsi: Add support for configuring the VLAN on the adapter.
Add support for configuring the VLAN parameters on the adapter
using the iscsiadm interface.
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c
index 8efdd8e..ebb6c1f 100644
--- a/drivers/scsi/be2iscsi/be_iscsi.c
+++ b/drivers/scsi/be2iscsi/be_iscsi.c
@@ -332,6 +332,51 @@
return ret;
}
+/**
+ * beiscsi_set_vlan_tag()- Set the VLAN TAG
+ * @shost: Scsi Host for the driver instance
+ * @iface_param: Interface paramters
+ *
+ * Set the VLAN TAG for the adapter or disable
+ * the VLAN config
+ *
+ * returns
+ * Success: 0
+ * Failure: Non-Zero Value
+ **/
+static int
+beiscsi_set_vlan_tag(struct Scsi_Host *shost,
+ struct iscsi_iface_param_info *iface_param)
+{
+ struct beiscsi_hba *phba = iscsi_host_priv(shost);
+ int ret = 0;
+
+ /* Get the Interface Handle */
+ if (mgmt_get_all_if_id(phba)) {
+ beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
+ "BS_%d : Getting Interface Handle Failed\n");
+ return -EIO;
+ }
+
+ switch (iface_param->param) {
+ case ISCSI_NET_PARAM_VLAN_ENABLED:
+ if (iface_param->value[0] != ISCSI_VLAN_ENABLE)
+ ret = mgmt_set_vlan(phba, BEISCSI_VLAN_DISABLE);
+ break;
+ case ISCSI_NET_PARAM_VLAN_TAG:
+ ret = mgmt_set_vlan(phba,
+ *((uint16_t *)iface_param->value));
+ break;
+ default:
+ beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
+ "BS_%d : Unkown Param Type : %d\n",
+ iface_param->param);
+ return -ENOSYS;
+ }
+ return ret;
+}
+
+
static int
beiscsi_set_ipv4(struct Scsi_Host *shost,
struct iscsi_iface_param_info *iface_param,
@@ -368,6 +413,10 @@
ret = beiscsi_set_static_ip(shost, iface_param,
data, dt_len);
break;
+ case ISCSI_NET_PARAM_VLAN_ENABLED:
+ case ISCSI_NET_PARAM_VLAN_TAG:
+ ret = beiscsi_set_vlan_tag(shost, iface_param);
+ break;
default:
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BS_%d : Param %d not supported\n",
@@ -489,6 +538,27 @@
case ISCSI_NET_PARAM_IPV4_SUBNET:
len = sprintf(buf, "%pI4\n", &if_info.ip_addr.subnet_mask);
break;
+ case ISCSI_NET_PARAM_VLAN_ENABLED:
+ len = sprintf(buf, "%s\n",
+ (if_info.vlan_priority == BEISCSI_VLAN_DISABLE)
+ ? "Disabled" : "Enabled");
+ break;
+ case ISCSI_NET_PARAM_VLAN_ID:
+ if (if_info.vlan_priority == BEISCSI_VLAN_DISABLE)
+ return -EINVAL;
+ else
+ len = sprintf(buf, "%d\n",
+ (if_info.vlan_priority &
+ ISCSI_MAX_VLAN_ID));
+ break;
+ case ISCSI_NET_PARAM_VLAN_PRIORITY:
+ if (if_info.vlan_priority == BEISCSI_VLAN_DISABLE)
+ return -EINVAL;
+ else
+ len = sprintf(buf, "%d\n",
+ ((if_info.vlan_priority >> 13) &
+ ISCSI_MAX_VLAN_PRIORITY));
+ break;
default:
WARN_ON(1);
}
@@ -510,6 +580,9 @@
case ISCSI_NET_PARAM_IPV4_SUBNET:
case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
case ISCSI_NET_PARAM_IPV6_ADDR:
+ case ISCSI_NET_PARAM_VLAN_ENABLED:
+ case ISCSI_NET_PARAM_VLAN_ID:
+ case ISCSI_NET_PARAM_VLAN_PRIORITY:
len = be2iscsi_get_if_param(phba, iface, param, buf);
break;
case ISCSI_NET_PARAM_IFACE_ENABLE:
@@ -1233,6 +1306,9 @@
case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
case ISCSI_NET_PARAM_IPV4_GW:
case ISCSI_NET_PARAM_IPV6_ADDR:
+ case ISCSI_NET_PARAM_VLAN_ID:
+ case ISCSI_NET_PARAM_VLAN_PRIORITY:
+ case ISCSI_NET_PARAM_VLAN_ENABLED:
return S_IRUGO;
default:
return 0;