1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_SMC_DIAG_H_
3 #define _UAPI_SMC_DIAG_H_
5 #include <linux/types.h>
6 #include <linux/inet_diag.h>
7 #include <rdma/ib_user_verbs.h>
9 /* Request structure */
13 __u8 diag_ext; /* Query extended information */
14 struct inet_diag_sockid id;
17 /* Base info structure. It contains socket identity (addrs/ports/cookie) based
18 * on the internal clcsock, and more SMC-related socket data
25 struct inet_diag_sockid id;
31 /* Mode of a connection */
34 SMC_DIAG_MODE_FALLBACK_TCP,
50 #define SMC_DIAG_MAX (__SMC_DIAG_MAX - 1)
52 /* SMC_DIAG_CONNINFO */
54 struct smc_diag_cursor {
60 struct smc_diag_conninfo {
61 __u32 token; /* unique connection id */
62 __u32 sndbuf_size; /* size of send buffer */
63 __u32 rmbe_size; /* size of RMB element */
64 __u32 peer_rmbe_size; /* size of peer RMB element */
65 /* local RMB element cursors */
66 struct smc_diag_cursor rx_prod; /* received producer cursor */
67 struct smc_diag_cursor rx_cons; /* received consumer cursor */
68 /* peer RMB element cursors */
69 struct smc_diag_cursor tx_prod; /* sent producer cursor */
70 struct smc_diag_cursor tx_cons; /* sent consumer cursor */
71 __u8 rx_prod_flags; /* received producer flags */
72 __u8 rx_conn_state_flags; /* recvd connection flags*/
73 __u8 tx_prod_flags; /* sent producer flags */
74 __u8 tx_conn_state_flags; /* sent connection flags*/
75 /* send buffer cursors */
76 struct smc_diag_cursor tx_prep; /* prepared to be sent cursor */
77 struct smc_diag_cursor tx_sent; /* sent cursor */
78 struct smc_diag_cursor tx_fin; /* confirmed sent cursor */
81 /* SMC_DIAG_LINKINFO */
83 struct smc_diag_linkinfo {
84 __u8 link_id; /* link identifier */
85 __u8 ibname[IB_DEVICE_NAME_MAX]; /* name of the RDMA device */
86 __u8 ibport; /* RDMA device port number */
87 __u8 gid[40]; /* local GID */
88 __u8 peer_gid[40]; /* peer GID */
91 struct smc_diag_lgrinfo {
92 struct smc_diag_linkinfo lnk[1];
96 struct smc_diag_fallback {
101 struct smcd_diag_dmbinfo { /* SMC-D Socket internals */
102 __u32 linkid; /* Link identifier */
103 __u64 peer_gid; /* Peer GID */
104 __u64 my_gid; /* My GID */
105 __u64 token; /* Token of DMB */
106 __u64 peer_token; /* Token of remote DMBE */
109 #endif /* _UAPI_SMC_DIAG_H_ */