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Commit 4223b9e9 authored by Mike Christie's avatar Mike Christie Committed by James Bottomley
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[SCSI] iscsi class: expand vlan support 



Add support to set vlan priority and enable/disble a vlan.

Patch based on code from Vikas Chaudhary.

Signed-off-by: default avatarMike Christie <michaelc@cs.wisc.edu>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 3093b048

drivers/scsi/scsi_transport_iscsi.c

+8 −0
Original line number Diff line number Diff line
@@ -319,6 +319,8 @@ iscsi_iface_net_attr(ipv6_iface, linklocal_autocfg, 
/* common read only iface attribute */

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);



static mode_t iscsi_iface_attr_is_visible(struct kobject *kobj,

					  struct attribute *attr, int i)
@@ -332,6 +334,10 @@ static mode_t iscsi_iface_attr_is_visible(struct kobject *kobj, 
		param = ISCSI_NET_PARAM_IFACE_ENABLE;

	else if (attr == &dev_attr_iface_vlan.attr)

		param = ISCSI_NET_PARAM_VLAN_ID;

	else if (attr == &dev_attr_iface_vlan_priority.attr)

		param = ISCSI_NET_PARAM_VLAN_PRIORITY;

	else if (attr == &dev_attr_iface_vlan_enabled.attr)

		param = ISCSI_NET_PARAM_VLAN_ENABLED;

	else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {

		if (attr == &dev_attr_ipv4_iface_ipaddress.attr)

			param = ISCSI_NET_PARAM_IPV4_ADDR;
@@ -367,6 +373,8 @@ static mode_t iscsi_iface_attr_is_visible(struct kobject *kobj, 
static struct attribute *iscsi_iface_attrs[] = {

	&dev_attr_iface_enabled.attr,

	&dev_attr_iface_vlan.attr,

	&dev_attr_iface_vlan_priority.attr,

	&dev_attr_iface_vlan_enabled.attr,

	&dev_attr_ipv4_iface_ipaddress.attr,

	&dev_attr_ipv4_iface_gateway.attr,

	&dev_attr_ipv4_iface_subnet.attr,

include/scsi/iscsi_if.h

+11 −2
Original line number Diff line number Diff line
@@ -281,6 +281,13 @@ struct iscsi_path { 
#define ISCSI_IFACE_TYPE_IPV4		0x01

#define ISCSI_IFACE_TYPE_IPV6		0x02



#define ISCSI_MAX_VLAN_ID		4095

#define ISCSI_MAX_VLAN_PRIORITY		7



/* iscsi vlan enable/disabled setting */

#define ISCSI_VLAN_DISABLE	0x01

#define ISCSI_VLAN_ENABLE	0x02



/* iSCSI network params */

enum iscsi_net_param {

	ISCSI_NET_PARAM_IPV4_ADDR		= 1,
@@ -296,8 +303,10 @@ enum iscsi_net_param { 
	ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG	= 11,

	ISCSI_NET_PARAM_IFACE_ENABLE		= 12,

	ISCSI_NET_PARAM_VLAN_ID			= 13,

	ISCSI_NET_PARAM_IFACE_TYPE		= 14,

	ISCSI_NET_PARAM_IFACE_NAME		= 15,

	ISCSI_NET_PARAM_VLAN_PRIORITY		= 14,

	ISCSI_NET_PARAM_VLAN_ENABLED		= 15,

	ISCSI_NET_PARAM_IFACE_TYPE		= 16,

	ISCSI_NET_PARAM_IFACE_NAME		= 17,

};



/*