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+.TH "UDADDY" 1 "2007-05-15" "librdmacm" "librdmacm" librdmacm
+.SH NAME
+udaddy \- RDMA CM datagram setup and simple ping-pong test.
+.SH SYNOPSIS
+.sp
+.nf
+\fIudaddy\fR [-s server_address] [-b bind_address] [-c connections]
+		[-C message_count] [-S message_size] [-p port_space]
+\fIudaddy\fR -s server_address [-b bind_address] [-c connections]
+		[-C message_count] [-S message_size] [-t tos] [-p port_space]
+.fi
+.SH "DESCRIPTION"
+Establishes a set of unreliable RDMA datagram communication paths between two
+nodes using the librdmacm, optionally transfers datagrams between the nodes,
+then tears down the communication.
+.SH "OPTIONS"
+.TP
+\-s server_address
+The network name or IP address of the server system listening for
+communication.  The used name or address must route over an RDMA device.
+This option must be specified by the client.
+.TP
+\-b bind_address
+The local network address to bind to.
+.TP
+\-c connections
+The number of communication paths to establish between the client and server.
+The test uses unreliable datagram communication, so no actual connections are
+formed.  (default 1)
+.TP
+\-C message_count
+The number of messages to transfer over each connection.  (default 10)
+.TP
+\-S message_size
+The size of each message transferred, in bytes.  This value must be smaller
+than the MTU of the underlying RDMA transport, or an error will occur.
+(default 100)
+.TP
+\-t tos
+Indicates the type of service used for the communication.  Type of service
+is implementation dependent based on subnet configuration.
+.TP
+\-p port_space
+The port space of the datagram communication.  May be either the RDMA
+UDP (0x0111) or IPoIB (0x0002) port space.  (default RDMA_PS_UDP)
+.SH "NOTES"
+Basic usage is to start udaddy on a server system, then run
+udaddy -s server_name on a client system.
+.P
+Because this test maps RDMA resources to userspace, users must ensure
+that they have available system resources and permissions.  See the
+libibverbs README file for additional details.
+.SH "SEE ALSO"
+rdma_cm(7), ucmatose(1), mckey(1), rping(1)