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- /*
- * INET An implementation of the TCP/IP protocol suite for the LINUX
- * operating system. INET is implemented using the BSD Socket
- * interface as the means of communication with the user level.
- *
- * Definitions for the protocol dispatcher.
- *
- * Version: @(#)protocol.h 1.0.2 05/07/93
- *
- * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
- * Changes:
- * Alan Cox : Added a name field and a frag handler
- * field for later.
- * Alan Cox : Cleaned up, and sorted types.
- * Pedro Roque : inet6 protocols
- */
-
- #ifndef _PROTOCOL_H
- #define _PROTOCOL_H
-
- #include <linux/config.h>
- #include <linux/in6.h>
- #if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
- #include <linux/ipv6.h>
- #endif
-
- #define MAX_INET_PROTOS 32 /* Must be a power of 2 */
-
-
- /* This is used to register protocols. */
- struct inet_protocol
- {
- int (*handler)(struct sk_buff *skb, unsigned short len);
- void (*err_handler)(struct sk_buff *skb, unsigned char *dp, int len);
- struct inet_protocol *next;
- unsigned char protocol;
- unsigned char copy:1;
- void *data;
- const char *name;
- };
-
- #if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
- struct inet6_protocol
- {
- int (*handler)(struct sk_buff *skb,
- unsigned long len);
-
- void (*err_handler)(struct sk_buff *skb, struct ipv6hdr *hdr,
- struct inet6_skb_parm *opt,
- int type, int code, unsigned char *buff,
- __u32 info);
- struct inet6_protocol *next;
- unsigned char protocol;
- unsigned char copy:1;
- void *data;
- const char *name;
- };
- #endif
-
- extern struct inet_protocol *inet_protocol_base;
- extern struct inet_protocol *inet_protos[MAX_INET_PROTOS];
-
- #if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
- extern struct inet6_protocol *inet6_protocol_base;
- extern struct inet6_protocol *inet6_protos[MAX_INET_PROTOS];
- #endif
-
- extern void inet_add_protocol(struct inet_protocol *prot);
- extern int inet_del_protocol(struct inet_protocol *prot);
-
- #if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
- extern void inet6_add_protocol(struct inet6_protocol *prot);
- extern int inet6_del_protocol(struct inet6_protocol *prot);
- #endif
-
- #endif /* _PROTOCOL_H */
-