umad_send man page on SuSE

umad_send man page on SuSE

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UMAD_SEND(3)		  OpenIB Programmer´s Manual		  UMAD_SEND(3)

NAME
       umad_send - send umad

SYNOPSIS
       #include <infiniband/umad.h>

       int umad_send(int portid, int agentid, void *umad, int length, int timeout_ms, int retries);

DESCRIPTION
       umad_send()  sends length bytes from the specified umad buffer from the
       port specified by portid, and using the	agent  specified  by  agentid.
       timeout_ms  controls the solicited MADs behavior as follows: zero value
       means not solicited. Positive value makes kernel	 indicate  timeout  in
       milliseconds.  If reply is not received within the specified value, the
       original buffer is returned in the read channel with the	 status	 field
       set  (to	 non  zero). Negative timeout_ms makes kernel wait forever for
       the reply.  retries indicates the number	 of  times  the	 MAD  will  be
       retried before giving up.

RETURN VALUE
       umad_send() returns 0 on success, and a negative value on error as fol‐
       lows:
	-EINVAL invalid port handle or agentid
	-EIO	send operation failed

AUTHOR
       Hal Rosenstock <halr@voltaire.com>

OpenIB				 May 11, 2007			  UMAD_SEND(3)

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