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Commit d61c167d authored by Gerrit Renker's avatar Gerrit Renker Committed by David S. Miller
Browse files

[NET]: Add documentation for TFRC structures 



This adds documentation for the TFRC structure fields.

Signed-off-by: default avatarGerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: default avatarIan McDonald <ian.mcdonald@jandi.co.nz>
Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@mandriva.com>
parent 5e19e3fc

include/linux/tfrc.h

+18 −2
Original line number Diff line number Diff line 
#ifndef _LINUX_TFRC_H_

#define _LINUX_TFRC_H_

/*

 *  include/linux/tfrc.h

 *  TFRC - Data Structures for the TCP-Friendly Rate Control congestion

 *         control mechanism as specified in RFC 3448.

 *

 *  Copyright (c) 2005 The University of Waikato, Hamilton, New Zealand.

 *  Copyright (c) 2005 Ian McDonald <iam4@cs.waikato.ac.nz>
@@ -13,15 +14,30 @@ 
 *  the Free Software Foundation; either version 2 of the License, or

 *  (at your option) any later version.

 */



#include <linux/types.h>



/** 	tfrc_rx_info    -    TFRC Receiver Data Structure

 *

 * 	@tfrcrx_x_recv:	receiver estimate of sending rate (3.2.2)

 * 	@tfrcrx_rtt:	round-trip-time (communicated by sender)

 * 	@tfrcrx_p:	current estimate of loss event rate (3.2.2)

 */

struct tfrc_rx_info {

  	__u32 tfrcrx_x_recv;

	__u32 tfrcrx_rtt;

  	__u32 tfrcrx_p;

};



/** 	tfrc_tx_info    -    TFRC Sender Data Structure

 *

 * 	@tfrctx_x:	computed transmit rate (4.3 (4))

 * 	@tfrctx_x_recv: receiver estimate of send rate (4.3)

 * 	@tfrctx_x_calc:	return value of throughput equation (3.1)

 * 	@tfrctx_rtt:	(moving average) estimate of RTT (4.3)

 * 	@tfrctx_p:	current loss event rate (5.4)

 * 	@tfrctx_rto:	estimate of RTO, equals 4*RTT (4.3)

 * 	@tfrctx_ipi:	inter-packet interval (4.6)

 */

struct tfrc_tx_info {

	__u32 tfrctx_x;

	__u32 tfrctx_x_recv;