WebSVN - shark - Blame - Rev 1618 - /shark/branches/xen/drivers/net/include/net/sock.h

Rev	Author	Line No.	Line
629	giacomo	1	/*
		2	* Project: S.Ha.R.K.
		3	*
		4	* Coordinators:
		5	* Giorgio Buttazzo <giorgio@sssup.it>
		6	* Paolo Gai <pj@gandalf.sssup.it>
		7	*
		8	* Authors :
		9	* Paolo Gai <pj@gandalf.sssup.it>
		10	* Massimiliano Giorgi <massy@gandalf.sssup.it>
		11	* Luca Abeni <luca@gandalf.sssup.it>
		12	* (see the web pages for full authors list)
		13	*
		14	* ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
		15	*
		16	* http://www.sssup.it
		17	* http://retis.sssup.it
		18	* http://shark.sssup.it
		19	*/
		20
		21	/**
		22	------------
		23	CVS : $Id: sock.h,v 1.1 2004-05-11 14:32:02 giacomo Exp $
		24
		25	File: $File$
		26	Revision: $Revision: 1.1 $
		27	Last update: $Date: 2004-05-11 14:32:02 $
		28	------------
		29	**/
		30
		31	/*
		32	* Copyright (C) 2000 Paolo Gai, Luca Abeni
		33	*
		34	* This program is free software; you can redistribute it and/or modify
		35	* it under the terms of the GNU General Public License as published by
		36	* the Free Software Foundation; either version 2 of the License, or
		37	* (at your option) any later version.
		38	*
		39	* This program is distributed in the hope that it will be useful,
		40	* but WITHOUT ANY WARRANTY; without even the implied warranty of
		41	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		42	* GNU General Public License for more details.
		43	*
		44	* You should have received a copy of the GNU General Public License
		45	* along with this program; if not, write to the Free Software
		46	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
		47	*
		48	*/
		49
		50
		51	#ifndef __SOCK__
		52	#define __SOCK__
		53
		54	#include <linux/timer.h>
		55
		56	#include <linux/netdevice.h>
		57	#include <linux/skbuff.h> /* struct sk_buff */
		58
		59	#include "ll/sys/cdefs.h"
		60
		61	__BEGIN_DECLS
		62
		63
		64	/*
		65	* This structure really needs to be cleaned up.
		66	* Most of it is for TCP, and not used by any of
		67	* the other protocols.
		68	*/
		69	struct sock
		70	{
		71	/* This must be first. */
		72	struct sock *sklist_next;
		73	struct sock *sklist_prev;
		74
		75	struct options *opt;
		76	atomic_t wmem_alloc;
		77	atomic_t rmem_alloc;
		78	unsigned long allocation; /* Allocation mode */
		79	__u32 write_seq;
		80	__u32 sent_seq;
		81	__u32 acked_seq;
		82	__u32 copied_seq;
		83	__u32 rcv_ack_seq;
		84	unsigned short rcv_ack_cnt; /* count of same ack */
		85	__u32 window_seq;
		86	__u32 fin_seq;
		87	__u32 urg_seq;
		88	__u32 urg_data;
		89	__u32 syn_seq;
		90	int users; /* user count */
		91	/*
		92	* Not all are volatile, but some are, so we
		93	* might as well say they all are.
		94	*/
		95	volatile char dead,
		96	urginline,
		97	intr,
		98	blog,
		99	done,
		100	reuse,
		101	keepopen,
		102	linger,
		103	delay_acks,
		104	destroy,
		105	ack_timed,
		106	no_check,
		107	zapped, /* In ax25 & ipx means not linked */
		108	broadcast,
		109	nonagle,
		110	bsdism;
		111	unsigned long lingertime;
		112	int proc;
		113
		114	struct sock *next;
		115	struct sock **pprev;
		116	struct sock *bind_next;
		117	struct sock **bind_pprev;
		118	struct sock *pair;
		119	int hashent;
		120	struct sock *prev;
		121	struct sk_buff * volatile send_head;
		122	struct sk_buff * volatile send_next;
		123	struct sk_buff * volatile send_tail;
		124	struct sk_buff_head back_log;
		125	struct sk_buff *partial;
		126	struct timer_list partial_timer;
		127	long retransmits;
		128	struct sk_buff_head write_queue,
		129	receive_queue;
		130	struct proto *prot;
		131	struct wait_queue **sleep;
		132	__u32 daddr;
		133	__u32 saddr; /* Sending source */
		134	__u32 rcv_saddr; /* Bound address */
		135	unsigned short max_unacked;
		136	unsigned short window;
		137	__u32 lastwin_seq; /* sequence number when we last updated the window we offer */
		138	__u32 high_seq; /* sequence number when we did current fast retransmit */
		139	volatile unsigned long ato; /* ack timeout */
		140	volatile unsigned long lrcvtime; /* jiffies at last data rcv */
		141	volatile unsigned long idletime; /* jiffies at last rcv */
		142	unsigned int bytes_rcv;
		143	/*
		144	* mss is min(mtu, max_window)
		145	*/
		146	unsigned short mtu; /* mss negotiated in the syn's */
		147	volatile unsigned short mss; /* current eff. mss - can change */
		148	volatile unsigned short user_mss; /* mss requested by user in ioctl */
		149	volatile unsigned short max_window;
		150	unsigned long window_clamp;
		151	unsigned int ssthresh;
		152	unsigned short num;
		153	volatile unsigned short cong_window;
		154	volatile unsigned short cong_count;
		155	volatile unsigned short packets_out;
		156	volatile unsigned short shutdown;
		157	volatile unsigned long rtt;
		158	volatile unsigned long mdev;
		159	volatile unsigned long rto;
		160
		161	/*
		162	* currently backoff isn't used, but I'm maintaining it in case
		163	* we want to go back to a backoff formula that needs it
		164	*/
		165
		166	volatile unsigned short backoff;
		167	int err, err_soft; /* Soft holds errors that don't
		168	cause failure but are the cause
		169	of a persistent failure not just
		170	'timed out' */
		171	unsigned char protocol;
		172	volatile unsigned char state;
		173	unsigned char ack_backlog;
		174	unsigned char max_ack_backlog;
		175	unsigned char priority;
		176	unsigned char debug;
		177	int rcvbuf;
		178	int sndbuf;
		179	unsigned short type;
		180	unsigned char localroute; /* Route locally only */
		181
		182	#if 0
		183	/*
		184	* This is where all the private (optional) areas that don't
		185	* overlap will eventually live.
		186	*/
		187	union
		188	{
		189	struct unix_opt af_unix;
		190	#ifdef CONFIG_INET
		191	struct inet_packet_opt af_packet;
		192	#ifdef CONFIG_NUTCP
		193	struct tcp_opt af_tcp;
		194	#endif
		195	#endif
		196	} protinfo;
		197	#endif
		198
		199	/*
		200	* IP 'private area' or will be eventually
		201	*/
		202	int ip_ttl; /* TTL setting */
		203	int ip_tos; /* TOS */
		204	// struct tcphdr dummy_th;
		205	struct timer_list keepalive_timer; /* TCP keepalive hack */
		206	struct timer_list retransmit_timer; /* TCP retransmit timer */
		207	struct timer_list delack_timer; /* TCP delayed ack timer */
		208	int ip_xmit_timeout; /* Why the timeout is running */
		209	struct rtable ip_route_cache; / Cached output route */
		210	unsigned char ip_hdrincl; /* Include headers ? */
		211	#ifdef CONFIG_IP_MULTICAST
		212	int ip_mc_ttl; /* Multicasting TTL */
		213	int ip_mc_loop; /* Loopback */
		214	char ip_mc_name[MAX_ADDR_LEN];/* Multicast device name */
		215	struct ip_mc_socklist ip_mc_list; / Group array */
		216	#endif
		217
		218	/*
		219	* This part is used for the timeout functions (timer.c).
		220	*/
		221
		222	int timeout; /* What are we waiting for? */
		223	struct timer_list timer; /* This is the TIME_WAIT/receive timer
		224	* when we are doing IP
		225	*/
		226	// struct timeval stamp;
		227
		228	/*
		229	* Identd
		230	*/
		231
		232	struct socket *socket;
		233
		234	/*
		235	* Callbacks
		236	*/
		237
		238	void (state_change)(struct sock sk);
		239	void (data_ready)(struct sock sk,int bytes);
		240	void (write_space)(struct sock sk);
		241	void (error_report)(struct sock sk);
		242
		243	};
		244
		245	__END_DECLS
		246
		247	#endif

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