Allow the userspace iscsiadm to pass the iface struct of the connection
so that the underlying driver can use what is most appropriate to create
the iSCSI connection.
Signed-off-by: Robert LeBlanc <rob...@leblancnet.us>
---
include/scsi/scsi_transport_iscsi.h | 95 +++++++++++++++++++++++++++++++++++++
1 file changed, 95 insertions(+)
diff --git a/include/scsi/scsi_transport_iscsi.h
b/include/scsi/scsi_transport_iscsi.h
index 6183d20a01fb..26fe284daf9a 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -37,6 +37,7 @@ struct iscsi_cls_conn;
struct iscsi_conn;
struct iscsi_task;
struct sockaddr;
+struct iface_rec;
struct iscsi_iface;
struct bsg_job;
struct iscsi_bus_flash_session;
@@ -291,6 +292,100 @@ struct iscsi_endpoint {
struct iscsi_cls_conn *conn;
};
+/* max len of interface */
+#define ISCSI_MAX_IFACE_LEN 65
+#define NI_MAXHOST 1025
+#define ISCSI_HWADDRESS_BUF_SIZE 18
+#define ISCSI_TRANSPORT_NAME_MAXLEN 16
+#define ISCSI_MAX_STR_LEN 80
+
+struct iface_rec {
+ struct list_head list;
+ /* iscsi iface record name */
+ char name[ISCSI_MAX_IFACE_LEN];
+ uint32_t iface_num;
+ /* network layer iface name (eth0) */
+ char netdev[IFNAMSIZ];
+ char ipaddress[NI_MAXHOST];
+ char subnet_mask[NI_MAXHOST];
+ char gateway[NI_MAXHOST];
+ char bootproto[ISCSI_MAX_STR_LEN];
+ char ipv6_linklocal[NI_MAXHOST];
+ char ipv6_router[NI_MAXHOST];
+ char ipv6_autocfg[NI_MAXHOST];
+ char linklocal_autocfg[NI_MAXHOST];
+ char router_autocfg[NI_MAXHOST];
+ uint16_t vlan_id;
+ uint8_t vlan_priority;
+ char vlan_state[ISCSI_MAX_STR_LEN];
+ char state[ISCSI_MAX_STR_LEN]; /* 0 = disable,
+ * 1 = enable */
+ uint16_t mtu;
+ uint16_t port;
+ char delayed_ack[ISCSI_MAX_STR_LEN];
+ char nagle[ISCSI_MAX_STR_LEN];
+ char tcp_wsf_state[ISCSI_MAX_STR_LEN];
+ uint8_t tcp_wsf;
+ uint8_t tcp_timer_scale;
+ char tcp_timestamp[ISCSI_MAX_STR_LEN];
+ char dhcp_dns[ISCSI_MAX_STR_LEN];
+ char dhcp_slp_da[ISCSI_MAX_STR_LEN];
+ char tos_state[ISCSI_MAX_STR_LEN];
+ uint8_t tos;
+ char gratuitous_arp[ISCSI_MAX_STR_LEN];
+ char dhcp_alt_client_id_state[ISCSI_MAX_STR_LEN];
+ char dhcp_alt_client_id[ISCSI_MAX_STR_LEN];
+ char dhcp_req_vendor_id_state[ISCSI_MAX_STR_LEN];
+ char dhcp_vendor_id_state[ISCSI_MAX_STR_LEN];
+ char dhcp_vendor_id[ISCSI_MAX_STR_LEN];
+ char dhcp_learn_iqn[ISCSI_MAX_STR_LEN];
+ char fragmentation[ISCSI_MAX_STR_LEN];
+ char incoming_forwarding[ISCSI_MAX_STR_LEN];
+ uint8_t ttl;
+ char gratuitous_neighbor_adv[ISCSI_MAX_STR_LEN];
+ char redirect[ISCSI_MAX_STR_LEN];
+ char mld[ISCSI_MAX_STR_LEN];
+ uint32_t flow_label;
+ uint32_t traffic_class;
+ uint8_t hop_limit;
+ uint32_t nd_reachable_tmo;
+ uint32_t nd_rexmit_time;
+ uint32_t nd_stale_tmo;
+ uint8_t dup_addr_detect_cnt;
+ uint32_t router_adv_link_mtu;
+ uint16_t def_task_mgmt_tmo;
+ char header_digest[ISCSI_MAX_STR_LEN];
+ char data_digest[ISCSI_MAX_STR_LEN];
+ char immediate_data[ISCSI_MAX_STR_LEN];
+ char initial_r2t[ISCSI_MAX_STR_LEN];
+ char data_seq_inorder[ISCSI_MAX_STR_LEN];
+ char data_pdu_inorder[ISCSI_MAX_STR_LEN];
+ uint8_t erl;
+ uint32_t max_recv_dlength;
+ uint32_t first_burst_len;
+ uint16_t max_out_r2t;
+ uint32_t max_burst_len;
+ char chap_auth[ISCSI_MAX_STR_LEN];
+ char bidi_chap[ISCSI_MAX_STR_LEN];
+ char strict_login_comp[ISCSI_MAX_STR_LEN];
+ char discovery_auth[ISCSI_MAX_STR_LEN];
+ char discovery_logout[ISCSI_MAX_STR_LEN];
+ char port_state[ISCSI_MAX_STR_LEN];
+ char port_speed[ISCSI_MAX_STR_LEN];
+ /*
+ * TODO: we may have to make this bigger and interconnect
+ * specific for infiniband
+ */
+ char hwaddress[ISCSI_HWADDRESS_BUF_SIZE];
+ char transport_name[ISCSI_TRANSPORT_NAME_MAXLEN];
+ /*
+ * This is only used for boot now, but the iser guys
+ * can use this for their virtualization idea.
+ */
+ char alias[TARGET_NAME_MAXLEN + 1];
+ char iname[TARGET_NAME_MAXLEN + 1];
+};
+
struct iscsi_iface {
struct device dev;
struct iscsi_transport *transport;
--
2.11.0
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