1 /* 2 * INET An implementation of the TCP/IP protocol suite for the LINUX 3 * operating system. INET is implemented using the BSD Socket 4 * interface as the means of communication with the user level. 5 * 6 * Definitions for the protocol dispatcher. 7 * 8 * Version: @(#)protocol.h 1.0.2 05/07/93 9 * 10 * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> 11 * 12 * This program is free software; you can redistribute it and/or 13 * modify it under the terms of the GNU General Public License 14 * as published by the Free Software Foundation; either version 15 * 2 of the License, or (at your option) any later version. 16 */ 17 #ifndef_PROTOCOL_H 18 #define_PROTOCOL_H 19
20
21 #defineMAX_INET_PROTOS 32 /* Must be a power of 2 */ 22
23
24 /* This is used to register protocols. */ 25 structinet_protocol{ 26 int (*handler)(structsk_buff *skb, structdevice *dev,
27 structoptions *opt, unsignedlongdaddr,
28 unsignedshortlen, unsignedlongsaddr,
29 intredo, structinet_protocol *protocol);
30 void (*err_handler)(interr, unsignedchar *buff,
31 unsignedlongdaddr,
32 unsignedlongsaddr,
33 structinet_protocol *protocol);
34 structinet_protocol *next;
35 unsignedcharprotocol;
36 unsignedcharcopy:1;
37 void *data;
38 };
39
40
41 externstructinet_protocol *inet_protocol_base;
42 externstructinet_protocol *inet_protos[MAX_INET_PROTOS];
43
44
45 externvoidinet_add_protocol(structinet_protocol *prot);
46 externintinet_del_protocol(structinet_protocol *prot);
47
48
49 #endif/* _PROTOCOL_H */