Rev 2 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
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 |