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.TH IBV_RC_PINGPONG 1 "August 30, 2005" "libibverbs" "USER COMMANDS"

.SH NAME
ibv_rc_pingpong \- simple InfiniBand RC transport test

.SH SYNOPSIS
.B ibv_rc_pingpong
[\-p port] [\-d device] [\-i ib port] [\-s size] [\-r rx depth]
[\-n iters] [\-l sl] [\-e] \fBHOSTNAME\fR

.B ibv_rc_pingpong
[\-p port] [\-d device] [\-i ib port] [\-s size] [\-r rx depth]
[\-n iters] [\-l sl] [\-e]

.SH DESCRIPTION
.PP
Run a simple ping-pong test over InfiniBand via the reliable
connected (RC) transport.

.SH OPTIONS

.PP
.TP
\fB\-p\fR, \fB\-\-port\fR=\fIPORT\fR
use TCP port \fIPORT\fR for initial synchronization (default 18515)
.TP
\fB\-d\fR, \fB\-\-ib\-dev\fR=\fIDEVICE\fR
use IB device \fIDEVICE\fR (default first device found)
.TP
\fB\-i\fR, \fB\-\-ib\-port\fR=\fIPORT\fR
use IB port \fIPORT\fR (default port 1)
.TP
\fB\-s\fR, \fB\-\-size\fR=\fISIZE\fR
ping-pong messages of size \fISIZE\fR (default 4096)
.TP
\fB\-r\fR, \fB\-\-rx\-depth\fR=\fIDEPTH\fR
post \fIDEPTH\fR receives at a time (default 1000)
.TP
\fB\-n\fR, \fB\-\-iters\fR=\fIITERS\fR
perform \fIITERS\fR message exchanges (default 1000)
.TP
\fB\-l\fR, \fB\-\-sl\fR=\fISL\fR
use \fISL\fR as the service level value of the QP (default 0)
.TP
\fB\-e\fR, \fB\-\-events\fR
sleep while waiting for work completion events (default is to poll for
completions)

.SH SEE ALSO
.BR ibv_uc_pingpong (1),
.BR ibv_ud_pingpong (1),
.BR ibv_srq_pingpong (1)

.SH AUTHORS
.TP
Roland Dreier
.RI < rolandd@cisco.com >

.SH BUGS
The network synchronization between client and server instances is
weak, and does not prevent incompatible options from being used on the
two instances.  The method used for retrieving work completions is not
strictly correct, and race conditions may cause failures on some
systems.