[net-next-2.6.git] / net / dccp / ccids / ccid2.h

/*
 *  net/dccp/ccids/ccid2.h
 *
 *  Copyright (c) 2005 Andrea Bittau <a.bittau@cs.ucl.ac.uk>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
#ifndef _DCCP_CCID2_H_
#define _DCCP_CCID2_H_

#include <linux/dccp.h>
#include <linux/timer.h>
#include <linux/types.h>
#include "../ccid.h"

struct sock;

struct ccid2_seq {
	u64			ccid2s_seq;
	unsigned long		ccid2s_sent;
	int			ccid2s_acked;
	struct ccid2_seq	*ccid2s_prev;
	struct ccid2_seq	*ccid2s_next;
};

/** struct ccid2_hc_tx_sock - CCID2 TX half connection
 *
 * @ccid2hctx_ssacks - ACKs recv in slow start
 * @ccid2hctx_acks - ACKS recv in AI phase
 * @ccid2hctx_sent - packets sent in this window
 * @ccid2hctx_lastrtt -time RTT was last measured
 * @ccid2hctx_arsent - packets sent [ack ratio]
 * @ccid2hctx_ackloss - ack was lost in this win
 * @ccid2hctx_rpseq - last consecutive seqno
 * @ccid2hctx_rpdupack - dupacks since rpseq
*/
struct ccid2_hc_tx_sock {
	int			ccid2hctx_cwnd;
	int			ccid2hctx_ssacks;
	int			ccid2hctx_acks;
	unsigned int		ccid2hctx_ssthresh;
	int			ccid2hctx_pipe;
	int			ccid2hctx_numdupack;
	struct ccid2_seq	*ccid2hctx_seqbuf;
	struct ccid2_seq	*ccid2hctx_seqh;
	struct ccid2_seq	*ccid2hctx_seqt;
	long			ccid2hctx_rto;
	long			ccid2hctx_srtt;
	long			ccid2hctx_rttvar;
	int			ccid2hctx_sent;
	unsigned long		ccid2hctx_lastrtt;
	struct timer_list	ccid2hctx_rtotimer;
	unsigned long		ccid2hctx_arsent;
	int			ccid2hctx_ackloss;
	u64			ccid2hctx_rpseq;
	int			ccid2hctx_rpdupack;
	int			ccid2hctx_sendwait;
};

struct ccid2_hc_rx_sock {
	int	ccid2hcrx_data;
};

static inline struct ccid2_hc_tx_sock *ccid2_hc_tx_sk(const struct sock *sk)
{
	return ccid_priv(dccp_sk(sk)->dccps_hc_tx_ccid);
}

static inline struct ccid2_hc_rx_sock *ccid2_hc_rx_sk(const struct sock *sk)
{
	return ccid_priv(dccp_sk(sk)->dccps_hc_rx_ccid);
}
#endif /* _DCCP_CCID2_H_ */
Commit	Line	Data
2a91aa39 AB	1	/*
	2	* net/dccp/ccids/ccid2.h
	3	*
	4	* Copyright (c) 2005 Andrea Bittau <a.bittau@cs.ucl.ac.uk>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	19	*/
	20	#ifndef _DCCP_CCID2_H_
	21	#define _DCCP_CCID2_H_
	22
91f0ebf7 ACM	23	#include <linux/dccp.h>
	24	#include <linux/timer.h>
	25	#include <linux/types.h>
	26	#include "../ccid.h"
	27
	28	struct sock;
	29
2a91aa39 AB	30	struct ccid2_seq {
	31	u64 ccid2s_seq;
	32	unsigned long ccid2s_sent;
	33	int ccid2s_acked;
	34	struct ccid2_seq *ccid2s_prev;
	35	struct ccid2_seq *ccid2s_next;
	36	};
	37
	38	/** struct ccid2_hc_tx_sock - CCID2 TX half connection
	39	*
	40	* @ccid2hctx_ssacks - ACKs recv in slow start
	41	* @ccid2hctx_acks - ACKS recv in AI phase
	42	* @ccid2hctx_sent - packets sent in this window
	43	* @ccid2hctx_lastrtt -time RTT was last measured
	44	* @ccid2hctx_arsent - packets sent [ack ratio]
	45	* @ccid2hctx_ackloss - ack was lost in this win
	46	* @ccid2hctx_rpseq - last consecutive seqno
	47	* @ccid2hctx_rpdupack - dupacks since rpseq
	48	*/
	49	struct ccid2_hc_tx_sock {
	50	int ccid2hctx_cwnd;
	51	int ccid2hctx_ssacks;
	52	int ccid2hctx_acks;
d458c25c	53	unsigned int ccid2hctx_ssthresh;
2a91aa39 AB	54	int ccid2hctx_pipe;
	55	int ccid2hctx_numdupack;
	56	struct ccid2_seq *ccid2hctx_seqbuf;
	57	struct ccid2_seq *ccid2hctx_seqh;
	58	struct ccid2_seq *ccid2hctx_seqt;
	59	long ccid2hctx_rto;
	60	long ccid2hctx_srtt;
	61	long ccid2hctx_rttvar;
	62	int ccid2hctx_sent;
	63	unsigned long ccid2hctx_lastrtt;
	64	struct timer_list ccid2hctx_rtotimer;
	65	unsigned long ccid2hctx_arsent;
	66	int ccid2hctx_ackloss;
	67	u64 ccid2hctx_rpseq;
	68	int ccid2hctx_rpdupack;
	69	int ccid2hctx_sendwait;
	70	};
	71
	72	struct ccid2_hc_rx_sock {
	73	int ccid2hcrx_data;
	74	};
	75
91f0ebf7 ACM	76	static inline struct ccid2_hc_tx_sock ccid2_hc_tx_sk(const struct sock sk)
	77	{
	78	return ccid_priv(dccp_sk(sk)->dccps_hc_tx_ccid);
	79	}
	80
	81	static inline struct ccid2_hc_rx_sock ccid2_hc_rx_sk(const struct sock sk)
	82	{
	83	return ccid_priv(dccp_sk(sk)->dccps_hc_rx_ccid);
	84	}
2a91aa39	85	#endif /* _DCCP_CCID2_H_ */