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30 * lnet/include/lnet/socklnd.h
32 * #defines shared between socknal implementation and utilities
34 #ifndef __LNET_LNET_SOCKLND_H__
35 #define __LNET_LNET_SOCKLND_H__
37 #include <lnet/types.h>
39 #define SOCKLND_CONN_NONE (-1)
40 #define SOCKLND_CONN_ANY 0
41 #define SOCKLND_CONN_CONTROL 1
42 #define SOCKLND_CONN_BULK_IN 2
43 #define SOCKLND_CONN_BULK_OUT 3
44 #define SOCKLND_CONN_NTYPES 4
46 #define SOCKLND_CONN_ACK SOCKLND_CONN_BULK_IN
48 struct ksock_hello_msg {
49 __u32 kshm_magic; /* magic number of socklnd message */
50 __u32 kshm_version; /* version of socklnd message */
51 lnet_nid_t kshm_src_nid; /* sender's nid */
52 lnet_nid_t kshm_dst_nid; /* destination nid */
53 lnet_pid_t kshm_src_pid; /* sender's pid */
54 lnet_pid_t kshm_dst_pid; /* destination pid */
55 __u64 kshm_src_incarnation; /* sender's incarnation */
56 __u64 kshm_dst_incarnation; /* destination's incarnation */
57 __u32 kshm_ctype; /* connection type */
58 __u32 kshm_nips; /* # IP addrs */
59 __u32 kshm_ips[0]; /* IP addrs */
62 struct ksock_lnet_msg {
63 lnet_hdr_t ksnm_hdr; /* lnet hdr */
66 * ksnm_payload is removed because of winnt compiler's limitation:
67 * zero-sized array can only be placed at the tail of [nested]
68 * structure definitions. lnet payload will be stored just after
69 * the body of structure struct ksock_lnet_msg
74 __u32 ksm_type; /* type of socklnd message */
75 __u32 ksm_csum; /* checksum if != 0 */
76 __u64 ksm_zc_cookies[2]; /* Zero-Copy request/ACK cookie */
78 struct ksock_lnet_msg lnetmsg; /* lnet message, it's empty if it's NOOP */
82 #define KSOCK_MSG_NOOP 0xc0 /* ksm_u empty */
83 #define KSOCK_MSG_LNET 0xc1 /* lnet msg */
85 /* We need to know this number to parse hello msg from ksocklnd in
86 * other LND (usocklnd, for example) */
87 #define KSOCK_PROTO_V2 2
88 #define KSOCK_PROTO_V3 3