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/* $OpenBSD: ip_ether.h,v 1.22 2017/04/14 20:46:31 bluhm Exp $ */
/*
* The author of this code is Angelos D. Keromytis (angelos@adk.gr)
*
* This code was written by Angelos D. Keromytis in October 1999.
*
* Copyright (C) 1999-2001 Angelos D. Keromytis.
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all copies of any software which is or includes a copy or
* modification of this software.
* You may use this code under the GNU public license if you so wish. Please
* contribute changes back to the authors under this freer than GPL license
* so that we may further the use of strong encryption without limitations to
* all.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#ifndef _NETINET_IP_ETHER_H_
#define _NETINET_IP_ETHER_H_
/*
* Ethernet-inside-IP processing.
*/
struct etheripstat {
u_int64_t etherips_hdrops; /* packet shorter than header shows */
u_int64_t etherips_qfull; /* bridge queue full, packet dropped */
u_int64_t etherips_noifdrops; /* no interface/bridge information */
u_int64_t etherips_pdrops; /* packet dropped due to policy */
u_int64_t etherips_adrops; /* all other drops */
u_int64_t etherips_ipackets; /* total input packets */
u_int64_t etherips_opackets; /* total output packets */
u_int64_t etherips_ibytes; /* input bytes */
u_int64_t etherips_obytes; /* output bytes */
};
struct etherip_header {
#if BYTE_ORDER == LITTLE_ENDIAN
u_int eip_res:4; /* reserved */
u_int eip_ver:4; /* version */
#endif
#if BYTE_ORDER == BIG_ENDIAN
u_int eip_ver:4; /* version */
u_int eip_res:4; /* reserved */
#endif
u_int8_t eip_pad; /* required padding byte */
} __packed;
#define ETHERIP_VERSION 0x03
/*
* Names for Ether-IP sysctl objects
*/
#define ETHERIPCTL_ALLOW 1 /* accept incoming EtherIP packets */
#define ETHERIPCTL_STATS 2 /* etherip stats */
#define ETHERIPCTL_MAXID 3
#define ETHERIPCTL_NAMES { \
{ 0, 0 }, \
{ "allow", CTLTYPE_INT }, \
{ "stats", CTLTYPE_STRUCT }, \
}
#ifdef _KERNEL
struct tdb;
int etherip_output(struct mbuf *, struct tdb *, struct mbuf **, int);
int etherip_input(struct mbuf **, int *, int, int);
int etherip_sysctl(int *, u_int, void *, size_t *, void *, size_t);
extern int etherip_allow;
extern struct etheripstat etheripstat;
#endif /* _KERNEL */
#endif /* _NETINET_IP_ETHER_H_ */
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