[SCSI] scsi_transport_iscsi: Added support to update mtu
Vikas Chaudhary [Mon, 1 Aug 2011 10:26:12 +0000 (03:26 -0700)]
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/scsi_transport_iscsi.c
include/scsi/iscsi_if.h

index b85f8a4..b3a2515 100644 (file)
@@ -323,6 +323,7 @@ iscsi_iface_net_attr(iface, enabled, ISCSI_NET_PARAM_IFACE_ENABLE);
 iscsi_iface_net_attr(iface, vlan, ISCSI_NET_PARAM_VLAN_ID);
 iscsi_iface_net_attr(iface, vlan_priority, ISCSI_NET_PARAM_VLAN_PRIORITY);
 iscsi_iface_net_attr(iface, vlan_enabled, ISCSI_NET_PARAM_VLAN_ENABLED);
+iscsi_iface_net_attr(iface, mtu, ISCSI_NET_PARAM_MTU);
 
 static mode_t iscsi_iface_attr_is_visible(struct kobject *kobj,
                                          struct attribute *attr, int i)
@@ -340,6 +341,8 @@ static mode_t iscsi_iface_attr_is_visible(struct kobject *kobj,
                param = ISCSI_NET_PARAM_VLAN_PRIORITY;
        else if (attr == &dev_attr_iface_vlan_enabled.attr)
                param = ISCSI_NET_PARAM_VLAN_ENABLED;
+       else if (attr == &dev_attr_iface_mtu.attr)
+               param = ISCSI_NET_PARAM_MTU;
        else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
                if (attr == &dev_attr_ipv4_iface_ipaddress.attr)
                        param = ISCSI_NET_PARAM_IPV4_ADDR;
@@ -386,6 +389,7 @@ static struct attribute *iscsi_iface_attrs[] = {
        &dev_attr_ipv6_iface_router_addr.attr,
        &dev_attr_ipv6_iface_ipaddr_autocfg.attr,
        &dev_attr_ipv6_iface_linklocal_autocfg.attr,
+       &dev_attr_iface_mtu.attr,
        NULL,
 };
 
index 629ca42..d1f0927 100644 (file)
@@ -313,6 +313,7 @@ enum iscsi_net_param {
        ISCSI_NET_PARAM_VLAN_ENABLED            = 15,
        ISCSI_NET_PARAM_IFACE_TYPE              = 16,
        ISCSI_NET_PARAM_IFACE_NAME              = 17,
+       ISCSI_NET_PARAM_MTU                     = 18,
 };
 
 enum iscsi_conn_state {