/*
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/*
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* INET An implementation of the TCP/IP protocol suite for the LINUX
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* INET An implementation of the TCP/IP protocol suite for the LINUX
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* operating system. INET is implemented using the BSD Socket
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* operating system. INET is implemented using the BSD Socket
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* interface as the means of communication with the user level.
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* interface as the means of communication with the user level.
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*
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*
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* Definitions for the protocol dispatcher.
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* Definitions for the protocol dispatcher.
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*
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*
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* Version: @(#)protocol.h 1.0.2 05/07/93
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* Version: @(#)protocol.h 1.0.2 05/07/93
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*
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*
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* Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
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* Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
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*
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*
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* This program is free software; you can redistribute it and/or
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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* 2 of the License, or (at your option) any later version.
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*
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*
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* Changes:
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* Changes:
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* Alan Cox : Added a name field and a frag handler
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* Alan Cox : Added a name field and a frag handler
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* field for later.
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* field for later.
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* Alan Cox : Cleaned up, and sorted types.
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* Alan Cox : Cleaned up, and sorted types.
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*/
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*/
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#ifndef _PROTOCOL_H
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#ifndef _PROTOCOL_H
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#define _PROTOCOL_H
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#define _PROTOCOL_H
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#define MAX_INET_PROTOS 32 /* Must be a power of 2 */
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#define MAX_INET_PROTOS 32 /* Must be a power of 2 */
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/* This is used to register protocols. */
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/* This is used to register protocols. */
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struct inet_protocol {
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struct inet_protocol {
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int (*handler)(struct sk_buff *skb, struct device *dev,
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int (*handler)(struct sk_buff *skb, struct device *dev,
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struct options *opt, __u32 daddr,
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struct options *opt, __u32 daddr,
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unsigned short len, __u32 saddr,
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unsigned short len, __u32 saddr,
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int redo, struct inet_protocol *protocol);
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int redo, struct inet_protocol *protocol);
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void (*err_handler)(int type, int code, unsigned char *buff,
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void (*err_handler)(int type, int code, unsigned char *buff,
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__u32 daddr,
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__u32 daddr,
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__u32 saddr,
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__u32 saddr,
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struct inet_protocol *protocol, int len);
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struct inet_protocol *protocol, int len);
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struct inet_protocol *next;
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struct inet_protocol *next;
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unsigned char protocol;
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unsigned char protocol;
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unsigned char copy:1;
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unsigned char copy:1;
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void *data;
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void *data;
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const char *name;
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const char *name;
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};
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};
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extern struct inet_protocol *inet_protocol_base;
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extern struct inet_protocol *inet_protocol_base;
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extern struct inet_protocol *inet_protos[MAX_INET_PROTOS];
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extern struct inet_protocol *inet_protos[MAX_INET_PROTOS];
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extern void inet_add_protocol(struct inet_protocol *prot);
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extern void inet_add_protocol(struct inet_protocol *prot);
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extern int inet_del_protocol(struct inet_protocol *prot);
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extern int inet_del_protocol(struct inet_protocol *prot);
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#endif /* _PROTOCOL_H */
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#endif /* _PROTOCOL_H */
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