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34 * lnet/include/lnet/socklnd.h
36 * #defines shared between socknal implementation and utilities
38 #ifndef __LNET_LNET_SOCKLND_H__
39 #define __LNET_LNET_SOCKLND_H__
41 #include <lnet/types.h>
42 #include <lnet/lib-types.h>
44 #define SOCKLND_CONN_NONE (-1)
45 #define SOCKLND_CONN_ANY 0
46 #define SOCKLND_CONN_CONTROL 1
47 #define SOCKLND_CONN_BULK_IN 2
48 #define SOCKLND_CONN_BULK_OUT 3
49 #define SOCKLND_CONN_NTYPES 4
51 #define SOCKLND_CONN_ACK SOCKLND_CONN_BULK_IN
54 __u32 kshm_magic; /* magic number of socklnd message */
55 __u32 kshm_version; /* version of socklnd message */
56 lnet_nid_t kshm_src_nid; /* sender's nid */
57 lnet_nid_t kshm_dst_nid; /* destination nid */
58 lnet_pid_t kshm_src_pid; /* sender's pid */
59 lnet_pid_t kshm_dst_pid; /* destination pid */
60 __u64 kshm_src_incarnation; /* sender's incarnation */
61 __u64 kshm_dst_incarnation; /* destination's incarnation */
62 __u32 kshm_ctype; /* connection type */
63 __u32 kshm_nips; /* # IP addrs */
64 __u32 kshm_ips[0]; /* IP addrs */
65 } WIRE_ATTR ksock_hello_msg_t;
68 lnet_hdr_t ksnm_hdr; /* lnet hdr */
71 * ksnm_payload is removed because of winnt compiler's limitation:
72 * zero-sized array can only be placed at the tail of [nested]
73 * structure definitions. lnet payload will be stored just after
74 * the body of structure ksock_lnet_msg_t
76 } WIRE_ATTR ksock_lnet_msg_t;
79 __u32 ksm_type; /* type of socklnd message */
80 __u32 ksm_csum; /* checksum if != 0 */
81 __u64 ksm_zc_cookies[2]; /* Zero-Copy request/ACK cookie */
83 ksock_lnet_msg_t lnetmsg; /* lnet message, it's empty if it's NOOP */
85 } WIRE_ATTR ksock_msg_t;
88 socklnd_init_msg(ksock_msg_t *msg, int type)
92 msg->ksm_zc_cookies[0] = msg->ksm_zc_cookies[1] = 0;
95 #define KSOCK_MSG_NOOP 0xc0 /* ksm_u empty */
96 #define KSOCK_MSG_LNET 0xc1 /* lnet msg */
98 /* We need to know this number to parse hello msg from ksocklnd in
99 * other LND (usocklnd, for example) */
100 #define KSOCK_PROTO_V2 2
101 #define KSOCK_PROTO_V3 3