sctp_disposition_t sctp_sf_sendbeat_8_3(struct net *net,
					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 = (struct sctp_transport *) arg;

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

	/* Section 3.3.5.
	 * The Sender-specific Heartbeat Info field should normally include
	 * information about the sender's current time when this HEARTBEAT
	 * chunk is sent and the destination transport address to which this
	 * HEARTBEAT is sent (see Section 8.3).
	 */

	if (transport->param_flags & SPP_HB_ENABLE) {
		if (SCTP_DISPOSITION_NOMEM ==
				sctp_sf_heartbeat(ep, asoc, type, arg,
						  commands))
			return SCTP_DISPOSITION_NOMEM;

		/* Set transport error counter and association error counter
		 * when sending heartbeat.
		 */
		sctp_add_cmd_sf(commands, SCTP_CMD_TRANSPORT_HB_SENT,
				SCTP_TRANSPORT(transport));
	}
	sctp_add_cmd_sf(commands, SCTP_CMD_TRANSPORT_IDLE,
			SCTP_TRANSPORT(transport));
	sctp_add_cmd_sf(commands, SCTP_CMD_HB_TIMER_UPDATE,
			SCTP_TRANSPORT(transport));

	return SCTP_DISPOSITION_CONSUME;
}

Unknown