WebSVN - shark - Blame - Rev 2 - /shark/branches/pj/drivers/linuxcom/include/net/sock.h

Rev	Author	Line No.	Line
2	pj	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 1.1.1.1 2002-03-29 14:12:49 pj Exp $
		24
		25	File: $File$
		26	Revision: $Revision: 1.1.1.1 $
		27	Last update: $Date: 2002-03-29 14:12:49 $
		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
		60
		61	/*
		62	* This structure really needs to be cleaned up.
		63	* Most of it is for TCP, and not used by any of
		64	* the other protocols.
		65	*/
		66	struct sock
		67	{
		68	/* This must be first. */
		69	struct sock *sklist_next;
		70	struct sock *sklist_prev;
		71
		72	struct options *opt;
		73	atomic_t wmem_alloc;
		74	atomic_t rmem_alloc;
		75	unsigned long allocation; /* Allocation mode */
		76	__u32 write_seq;
		77	__u32 sent_seq;
		78	__u32 acked_seq;
		79	__u32 copied_seq;
		80	__u32 rcv_ack_seq;
		81	unsigned short rcv_ack_cnt; /* count of same ack */
		82	__u32 window_seq;
		83	__u32 fin_seq;
		84	__u32 urg_seq;
		85	__u32 urg_data;
		86	__u32 syn_seq;
		87	int users; /* user count */
		88	/*
		89	* Not all are volatile, but some are, so we
		90	* might as well say they all are.
		91	*/
		92	volatile char dead,
		93	urginline,
		94	intr,
		95	blog,
		96	done,
		97	reuse,
		98	keepopen,
		99	linger,
		100	delay_acks,
		101	destroy,
		102	ack_timed,
		103	no_check,
		104	zapped, /* In ax25 & ipx means not linked */
		105	broadcast,
		106	nonagle,
		107	bsdism;
		108	unsigned long lingertime;
		109	int proc;
		110
		111	struct sock *next;
		112	struct sock **pprev;
		113	struct sock *bind_next;
		114	struct sock **bind_pprev;
		115	struct sock *pair;
		116	int hashent;
		117	struct sock *prev;
		118	struct sk_buff * volatile send_head;
		119	struct sk_buff * volatile send_next;
		120	struct sk_buff * volatile send_tail;
		121	struct sk_buff_head back_log;
		122	struct sk_buff *partial;
		123	struct timer_list partial_timer;
		124	long retransmits;
		125	struct sk_buff_head write_queue,
		126	receive_queue;
		127	struct proto *prot;
		128	struct wait_queue **sleep;
		129	__u32 daddr;
		130	__u32 saddr; /* Sending source */
		131	__u32 rcv_saddr; /* Bound address */
		132	unsigned short max_unacked;
		133	unsigned short window;
		134	__u32 lastwin_seq; /* sequence number when we last updated the window we offer */
		135	__u32 high_seq; /* sequence number when we did current fast retransmit */
		136	volatile unsigned long ato; /* ack timeout */
		137	volatile unsigned long lrcvtime; /* jiffies at last data rcv */
		138	volatile unsigned long idletime; /* jiffies at last rcv */
		139	unsigned int bytes_rcv;
		140	/*
		141	* mss is min(mtu, max_window)
		142	*/
		143	unsigned short mtu; /* mss negotiated in the syn's */
		144	volatile unsigned short mss; /* current eff. mss - can change */
		145	volatile unsigned short user_mss; /* mss requested by user in ioctl */
		146	volatile unsigned short max_window;
		147	unsigned long window_clamp;
		148	unsigned int ssthresh;
		149	unsigned short num;
		150	volatile unsigned short cong_window;
		151	volatile unsigned short cong_count;
		152	volatile unsigned short packets_out;
		153	volatile unsigned short shutdown;
		154	volatile unsigned long rtt;
		155	volatile unsigned long mdev;
		156	volatile unsigned long rto;
		157
		158	/*
		159	* currently backoff isn't used, but I'm maintaining it in case
		160	* we want to go back to a backoff formula that needs it
		161	*/
		162
		163	volatile unsigned short backoff;
		164	int err, err_soft; /* Soft holds errors that don't
		165	cause failure but are the cause
		166	of a persistent failure not just
		167	'timed out' */
		168	unsigned char protocol;
		169	volatile unsigned char state;
		170	unsigned char ack_backlog;
		171	unsigned char max_ack_backlog;
		172	unsigned char priority;
		173	unsigned char debug;
		174	int rcvbuf;
		175	int sndbuf;
		176	unsigned short type;
		177	unsigned char localroute; /* Route locally only */
		178
		179	#if 0
		180	/*
		181	* This is where all the private (optional) areas that don't
		182	* overlap will eventually live.
		183	*/
		184	union
		185	{
		186	struct unix_opt af_unix;
		187	#ifdef CONFIG_INET
		188	struct inet_packet_opt af_packet;
		189	#ifdef CONFIG_NUTCP
		190	struct tcp_opt af_tcp;
		191	#endif
		192	#endif
		193	} protinfo;
		194	#endif
		195
		196	/*
		197	* IP 'private area' or will be eventually
		198	*/
		199	int ip_ttl; /* TTL setting */
		200	int ip_tos; /* TOS */
		201	// struct tcphdr dummy_th;
		202	struct timer_list keepalive_timer; /* TCP keepalive hack */
		203	struct timer_list retransmit_timer; /* TCP retransmit timer */
		204	struct timer_list delack_timer; /* TCP delayed ack timer */
		205	int ip_xmit_timeout; /* Why the timeout is running */
		206	struct rtable ip_route_cache; / Cached output route */
		207	unsigned char ip_hdrincl; /* Include headers ? */
		208	#ifdef CONFIG_IP_MULTICAST
		209	int ip_mc_ttl; /* Multicasting TTL */
		210	int ip_mc_loop; /* Loopback */
		211	char ip_mc_name[MAX_ADDR_LEN];/* Multicast device name */
		212	struct ip_mc_socklist ip_mc_list; / Group array */
		213	#endif
		214
		215	/*
		216	* This part is used for the timeout functions (timer.c).
		217	*/
		218
		219	int timeout; /* What are we waiting for? */
		220	struct timer_list timer; /* This is the TIME_WAIT/receive timer
		221	* when we are doing IP
		222	*/
		223	// struct timeval stamp;
		224
		225	/*
		226	* Identd
		227	*/
		228
		229	struct socket *socket;
		230
		231	/*
		232	* Callbacks
		233	*/
		234
		235	void (state_change)(struct sock sk);
		236	void (data_ready)(struct sock sk,int bytes);
		237	void (write_space)(struct sock sk);
		238	void (error_report)(struct sock sk);
		239
		240	};
		241
		242	#endif

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