sctp_disposition_t sctp_sf_do_6_3_3_rtx(const struct sctp_endpoint *ep,
					const struct sctp_association *asoc,
					const sctp_subtype_t type,
					void *arg,
					sctp_cmd_seq_t *commands)
{
	struct sctp_transport *transport = arg;

	if (asoc->overall_error_count >= asoc->max_retrans) {
		/* CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */
		sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
				SCTP_U32(SCTP_ERROR_NO_ERROR));
		SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
		SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
		return SCTP_DISPOSITION_DELETE_TCB;
	}

	/* E1) For the destination address for which the timer
	 * expires, adjust its ssthresh with rules defined in Section
	 * 7.2.3 and set the cwnd <- MTU.
	 */

	/* E2) For the destination address for which the timer
	 * expires, set RTO <- RTO * 2 ("back off the timer").  The
	 * maximum value discussed in rule C7 above (RTO.max) may be
	 * used to provide an upper bound to this doubling operation.
	 */

	/* E3) Determine how many of the earliest (i.e., lowest TSN)
	 * outstanding DATA chunks for the address for which the
	 * T3-rtx has expired will fit into a single packet, subject
	 * to the MTU constraint for the path corresponding to the
	 * destination transport address to which the retransmission
	 * is being sent (this may be different from the address for
	 * which the timer expires [see Section 6.4]).  Call this
	 * value K. Bundle and retransmit those K DATA chunks in a
	 * single packet to the destination endpoint.
	 *
	 * Note: Any DATA chunks that were sent to the address for
	 * which the T3-rtx timer expired but did not fit in one MTU
	 * (rule E3 above), should be marked for retransmission and
	 * sent as soon as cwnd allows (normally when a SACK arrives).
	 */

	/* NB: Rules E4 and F1 are implicit in R1.  */
	sctp_add_cmd_sf(commands, SCTP_CMD_RETRAN, SCTP_TRANSPORT(transport));

	/* Do some failure management (Section 8.2). */
	sctp_add_cmd_sf(commands, SCTP_CMD_STRIKE, SCTP_TRANSPORT(transport));

	return SCTP_DISPOSITION_CONSUME;
}
sctp_disposition_t sctp_sf_do_6_3_3_rtx(const struct sctp_endpoint *ep,
					const struct sctp_association *asoc,
					const sctp_subtype_t type,
					void *arg,
					sctp_cmd_seq_t *commands)
{
	struct sctp_transport *transport = arg;

	if (asoc->overall_error_count >= asoc->max_retrans) {
		 
		sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
				SCTP_U32(SCTP_ERROR_NO_ERROR));
		SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
		SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
		return SCTP_DISPOSITION_DELETE_TCB;
	}

	 

	 

	 

	 
	sctp_add_cmd_sf(commands, SCTP_CMD_RETRAN, SCTP_TRANSPORT(transport));

	 
	sctp_add_cmd_sf(commands, SCTP_CMD_STRIKE, SCTP_TRANSPORT(transport));

	return SCTP_DISPOSITION_CONSUME;
}