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/*
* Copyright (c) 2015 Kazuya GODA <goda@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _NET_IF_ETHERIP_H_
#define _NET_IF_ETHERIP_H_
#if 0
/*
* TODO:
* At this stage, struct etheripstat and struct etherip_header,
* and EtherIP sysctl objects are present at netinet/ip_ether.h.
* When implementation of etherip is removed from gif(4), there
* are moved here.
*/
extern int etherip_allow;
extern struct etheripstat etheripstat;
struct etheripstat {
uint32_t etherip_hdrops; /* packet shorter than header shows */
uint32_t etherip_qfull; /* bridge queue full, packet dropped */
uint32_t etherip_noifdrops; /* no interface/bridge info */
uint32_t etherip_pdrops; /* dropped due to policy */
uint32_t etherip_adrops; /* all other drops */
uint32_t etherip_ipackets; /* total input packets */
uint32_t etherip_opackets; /* total output packets */
uint64_t etherip_ibytes; /* input bytes */
uint64_t etherip_obytes; /* output bytes */
};
struct etherip_header {
#if BYTE_ORDER == LITTLE_ENDIAN
unsigned int eip_res:4; /* reserved */
unsigned int eip_ver:4; /* version */
#endif
#if BYTE_ORDER == BIG_ENDIAN
unsigned int eip_ver:4; /* version */
unsigned int eip_res:4; /* reserved */
#endif
uint8_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 }, \
}
#endif /* 0 */
int ip_etherip_sysctl(int *, uint, void *, size_t *, void *, size_t);
int ip_etherip_output(struct ifnet *, struct mbuf *);
void ip_etherip_input(struct mbuf *, ...);
#ifdef INET6
int ip6_etherip_output(struct ifnet *, struct mbuf *);
int ip6_etherip_input(struct mbuf **, int *, int);
#endif /* INET6 */
#endif /* _NET_IF_ETHERIP_H_ */
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