[SCSI] iscsi_transport: add support for net settings
Allows user space (iscsiadm) to send down network configuration
parameters for LLD to set private network configuration on the iSCSI
adapters.
Based on patch from Lalit Chandivade.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index ddb0456..e93831e 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -59,6 +59,7 @@
ISCSI_UEVENT_TRANSPORT_EP_CONNECT_THROUGH_HOST = UEVENT_BASE + 19,
ISCSI_UEVENT_PATH_UPDATE = UEVENT_BASE + 20,
+ ISCSI_UEVENT_SET_IFACE_PARAMS = UEVENT_BASE + 21,
/* up events */
ISCSI_KEVENT_RECV_PDU = KEVENT_BASE + 1,
@@ -172,6 +173,10 @@
struct msg_set_path {
uint32_t host_no;
} set_path;
+ struct msg_set_iface_params {
+ uint32_t host_no;
+ uint32_t count;
+ } set_iface_params;
} u;
union {
/* messages k -> u */
@@ -214,6 +219,21 @@
} r;
} __attribute__ ((aligned (sizeof(uint64_t))));
+enum iscsi_param_type {
+ ISCSI_PARAM, /* iscsi_param (session, conn, target, LU) */
+ ISCSI_HOST_PARAM, /* iscsi_host_param */
+ ISCSI_NET_PARAM, /* iscsi_net_param */
+};
+
+struct iscsi_iface_param_info {
+ uint32_t iface_num; /* iface number, 0 - n */
+ uint32_t len; /* Actual length of the param */
+ uint16_t param; /* iscsi param value */
+ uint8_t iface_type; /* IPv4 or IPv6 */
+ uint8_t param_type; /* iscsi_param_type */
+ uint8_t value[0]; /* length sized value follows */
+} __packed;
+
/*
* To keep the struct iscsi_uevent size the same for userspace code
* compatibility, the main structure for ISCSI_UEVENT_PATH_UPDATE and
@@ -237,6 +257,49 @@
uint16_t pmtu;
} __attribute__ ((aligned (sizeof(uint64_t))));
+/* iscsi iface enabled/disabled setting */
+#define ISCSI_IFACE_DISABLE 0x01
+#define ISCSI_IFACE_ENABLE 0x02
+
+/* ipv4 bootproto */
+#define ISCSI_BOOTPROTO_STATIC 0x01
+#define ISCSI_BOOTPROTO_DHCP 0x02
+
+/* ipv6 addr autoconfig type */
+#define ISCSI_IPV6_AUTOCFG_DISABLE 0x01
+#define ISCSI_IPV6_AUTOCFG_ND_ENABLE 0x02
+#define ISCSI_IPV6_AUTOCFG_DHCPV6_ENABLE 0x03
+
+/* ipv6 link local addr type */
+#define ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE 0x01
+#define ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE 0x02
+
+/* ipv6 router addr type */
+#define ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE 0x01
+#define ISCSI_IPV6_ROUTER_AUTOCFG_DISABLE 0x02
+
+#define ISCSI_IFACE_TYPE_IPV4 0x01
+#define ISCSI_IFACE_TYPE_IPV6 0x02
+
+/* iSCSI network params */
+enum iscsi_net_param {
+ ISCSI_NET_PARAM_IPV4_ADDR = 1,
+ ISCSI_NET_PARAM_IPV4_SUBNET = 2,
+ ISCSI_NET_PARAM_IPV4_GW = 3,
+ ISCSI_NET_PARAM_IPV4_BOOTPROTO = 4,
+ ISCSI_NET_PARAM_MAC = 5,
+ ISCSI_NET_PARAM_IPV6_LINKLOCAL = 6,
+ ISCSI_NET_PARAM_IPV6_ADDR = 7,
+ ISCSI_NET_PARAM_IPV6_ROUTER = 8,
+ ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG = 9,
+ ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG = 10,
+ ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG = 11,
+ ISCSI_NET_PARAM_IFACE_ENABLE = 12,
+ ISCSI_NET_PARAM_VLAN_ID = 13,
+ ISCSI_NET_IFACE_TYPE = 14,
+ ISCSI_NET_IFACE_NAME = 15,
+};
+
/*
* Common error codes
*/