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Edit File : smc_diag.h \| Size : 2.66 KB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note / #ifndef _SMC_DIAG_H_ #define _SMC_DIAG_H_ #include <linux/types.h> #include <linux/inet_diag.h> #include <rdma/ib_user_verbs.h> / Request structure / struct smc_diag_req { __u8 diag_family; __u8 pad[2]; __u8 diag_ext; / Query extended information / struct inet_diag_sockid id; }; / Base info structure. It contains socket identity (addrs/ports/cookie) based * on the internal clcsock, and more SMC-related socket data / struct smc_diag_msg { __u8 diag_family; __u8 diag_state; __u8 diag_mode; __u8 diag_shutdown; struct inet_diag_sockid id; __u32 diag_uid; __u64 diag_inode; }; / Mode of a connection / enum { SMC_DIAG_MODE_SMCR, SMC_DIAG_MODE_FALLBACK_TCP, SMC_DIAG_MODE_SMCD, }; / Extensions / enum { SMC_DIAG_NONE, SMC_DIAG_CONNINFO, SMC_DIAG_LGRINFO, SMC_DIAG_SHUTDOWN, SMC_DIAG_DMBINFO, SMC_DIAG_FALLBACK, __SMC_DIAG_MAX, }; #define SMC_DIAG_MAX (__SMC_DIAG_MAX - 1) / SMC_DIAG_CONNINFO / struct smc_diag_cursor { __u16 reserved; __u16 wrap; __u32 count; }; struct smc_diag_conninfo { __u32 token; / unique connection id / __u32 sndbuf_size; / size of send buffer / __u32 rmbe_size; / size of RMB element / __u32 peer_rmbe_size; / size of peer RMB element / / local RMB element cursors / struct smc_diag_cursor rx_prod; / received producer cursor / struct smc_diag_cursor rx_cons; / received consumer cursor / / peer RMB element cursors / struct smc_diag_cursor tx_prod; / sent producer cursor / struct smc_diag_cursor tx_cons; / sent consumer cursor / __u8 rx_prod_flags; / received producer flags / __u8 rx_conn_state_flags; / recvd connection flags/ __u8 tx_prod_flags; / sent producer flags / __u8 tx_conn_state_flags; / sent connection flags/ / send buffer cursors / struct smc_diag_cursor tx_prep; / prepared to be sent cursor / struct smc_diag_cursor tx_sent; / sent cursor / struct smc_diag_cursor tx_fin; / confirmed sent cursor / }; / SMC_DIAG_LINKINFO / struct smc_diag_linkinfo { __u8 link_id; / link identifier / __u8 ibname[IB_DEVICE_NAME_MAX]; / name of the RDMA device / __u8 ibport; / RDMA device port number / __u8 gid[40]; / local GID / __u8 peer_gid[40]; / peer GID / }; struct smc_diag_lgrinfo { struct smc_diag_linkinfo lnk[1]; __u8 role; }; struct smc_diag_fallback { __u32 reason; __u32 peer_diagnosis; }; struct smcd_diag_dmbinfo { / SMC-D Socket internals / __u32 linkid; / Link identifier / __u64 peer_gid; / Peer GID / __u64 my_gid; / My GID / __u64 token; / Token of DMB / __u64 peer_token; / Token of remote DMBE / }; #endif / _SMC_DIAG_H_ */ Back

Edit File : smc_diag.h | Size : 2.66 KB

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _SMC_DIAG_H_
#define _SMC_DIAG_H_

#include <linux/types.h>
#include <linux/inet_diag.h>
#include <rdma/ib_user_verbs.h>

/* Request structure */
struct smc_diag_req {
	__u8	diag_family;
	__u8	pad[2];
	__u8	diag_ext;		/* Query extended information */
	struct inet_diag_sockid	id;
};

/* Base info structure. It contains socket identity (addrs/ports/cookie) based
 * on the internal clcsock, and more SMC-related socket data
 */
struct smc_diag_msg {
	__u8	diag_family;
	__u8	diag_state;
	__u8	diag_mode;
	__u8	diag_shutdown;
	struct inet_diag_sockid id;

__u32	diag_uid;
	__u64	diag_inode;
};

/* Mode of a connection */
enum {
	SMC_DIAG_MODE_SMCR,
	SMC_DIAG_MODE_FALLBACK_TCP,
	SMC_DIAG_MODE_SMCD,
};

/* Extensions */

enum {
	SMC_DIAG_NONE,
	SMC_DIAG_CONNINFO,
	SMC_DIAG_LGRINFO,
	SMC_DIAG_SHUTDOWN,
	SMC_DIAG_DMBINFO,
	SMC_DIAG_FALLBACK,
	__SMC_DIAG_MAX,
};

#define SMC_DIAG_MAX (__SMC_DIAG_MAX - 1)

/* SMC_DIAG_CONNINFO */

struct smc_diag_cursor {
	__u16	reserved;
	__u16	wrap;
	__u32	count;
};

struct smc_diag_conninfo {
	__u32			token;		/* unique connection id */
	__u32			sndbuf_size;	/* size of send buffer */
	__u32			rmbe_size;	/* size of RMB element */
	__u32			peer_rmbe_size;	/* size of peer RMB element */
	/* local RMB element cursors */
	struct smc_diag_cursor	rx_prod;	/* received producer cursor */
	struct smc_diag_cursor	rx_cons;	/* received consumer cursor */
	/* peer RMB element cursors */
	struct smc_diag_cursor	tx_prod;	/* sent producer cursor */
	struct smc_diag_cursor	tx_cons;	/* sent consumer cursor */
	__u8			rx_prod_flags;	/* received producer flags */
	__u8			rx_conn_state_flags; /* recvd connection flags*/
	__u8			tx_prod_flags;	/* sent producer flags */
	__u8			tx_conn_state_flags; /* sent connection flags*/
	/* send buffer cursors */
	struct smc_diag_cursor	tx_prep;	/* prepared to be sent cursor */
	struct smc_diag_cursor	tx_sent;	/* sent cursor */
	struct smc_diag_cursor	tx_fin;		/* confirmed sent cursor */
};

/* SMC_DIAG_LINKINFO */

struct smc_diag_linkinfo {
	__u8 link_id;			/* link identifier */
	__u8 ibname[IB_DEVICE_NAME_MAX]; /* name of the RDMA device */
	__u8 ibport;			/* RDMA device port number */
	__u8 gid[40];			/* local GID */
	__u8 peer_gid[40];		/* peer GID */
};

struct smc_diag_lgrinfo {
	struct smc_diag_linkinfo	lnk[1];
	__u8				role;
};

struct smc_diag_fallback {
	__u32 reason;
	__u32 peer_diagnosis;
};

struct smcd_diag_dmbinfo {		/* SMC-D Socket internals */
	__u32 linkid;			/* Link identifier */
	__u64 peer_gid;			/* Peer GID */
	__u64 my_gid;			/* My GID */
	__u64 token;			/* Token of DMB */
	__u64 peer_token;		/* Token of remote DMBE */
};

#endif /* _SMC_DIAG_H_ */

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