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authorMike Christie <michaelc@cs.wisc.edu>2011-07-25 13:48:47 -0500
committerJames Bottomley <JBottomley@Parallels.com>2011-08-27 08:36:18 -0600
commit4223b9e919761ba1405a8505bda0b4efa17e8f0e (patch)
tree14a5229457c2b93d92ed58ff353207b38139113b
parent3093b0484d77ea774d74dfd7f5419831a716a9aa (diff)
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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: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
-rw-r--r--drivers/scsi/scsi_transport_iscsi.c8
-rw-r--r--include/scsi/iscsi_if.h13
2 files changed, 19 insertions, 2 deletions
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 2e9b6821559..13f90515ff6 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -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,
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index 3753f7e3638..d3f256a232f 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -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,
};
/*