'\" te
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.\" -*- nroff -*-
.\"
.TH IBV_GID_REACHABLE 3 2012-08-08 libibverbs "Libibverbs Programmer's Manual"
.SH "NAME"
ibv_gid_reachable \- will contact the SA to do a path record lookup from the
device,port specified by 'context','port' to the remote 'gid_p'.  It finds the
status of the remote GID (reachable or unreachable).
.sp
.SH "SYNOPSIS"
.nf
.B #include <infiniband/verbs.h>
.sp
.BI "int ibv_gid_reachable(struct ibv_context *context, uint port,
.BI "union ibv_gid *gid_p, int timeout)
.if
.TP
.B gid_p
A pointer to the gid to check
.TP
.B context
A device context obtained from a call to ibv_open_device().
This identifies the device to use in order to contact the
remote 'gid_p'.
.TP
.B port
Specifies the port on the device associated with 'context'.
If '0' then the implementation will choose a port.
.TP
.B timeout
It is currently set to '0' and reserved for future enhancement.
ibv_gid_reachable() will block until a response
(success, fail or no path found) is obtained.
.sp
.SH "DESCRIPTION"
.B ibv_gid_reachable() will contact the SA from the device,port specified
by 'context','port' to the remote 'gid_p'.
It finds the status of the remote 'gid_p' (reachable or not).
.sp
.B ibv_gid_reachable()
returns 0 on success, -1 on failure with errno set as follows:
.sp
.TP
.in +10
.B EINVAL \fR\fR\fR Invalid argument.
.in -10
.TP
.in +10
.B ENXIO \fR\fR\fR No Path Found
.in -10
.TP
.in +10
.B EIO \fR\fR\fR I/O Error
.in -10
.TP
.in +10
.B ENOMEM \fR\fR\fR Could not allocate kernel resource
.in -10
.in +23
required to perform the lookup.
.in -23
.TP
.in +10
.B EINTR \fR\fR\fR Abort due to interrupted system call.
.in -10
.sp
.SH "RETURN VALUE"
.B ibv_gid_reachable()
returns 0 on success, and \-1 on error.
.sp
.SH "NOTES"
.TP