137 lines
3.8 KiB
C
137 lines
3.8 KiB
C
/*
|
|
* $Id$
|
|
*
|
|
Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions
|
|
are met:
|
|
1. Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
2. Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
|
|
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WAfRRANTIES
|
|
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _STIO_ARP_H_
|
|
#define _STIO_ARP_H_
|
|
|
|
#include <stio.h>
|
|
#include <stio-sck.h>
|
|
|
|
typedef struct stio_dev_arp_t stio_dev_arp_t;
|
|
#define STIO_ETHHDR_PROTO_IP4 0x0800
|
|
#define STIO_ETHHDR_PROTO_ARP 0x0806
|
|
|
|
#define STIO_ARPHDR_OPCODE_REQUEST 1
|
|
#define STIO_ARPHDR_OPCODE_REPLY 2
|
|
|
|
#define STIO_ARPHDR_HTYPE_ETH 0x0001
|
|
#define STIO_ARPHDR_PTYPE_IP4 0x0800
|
|
|
|
#define STIO_ETHADR_LEN 6
|
|
#define STIO_IP4ADR_LEN 4
|
|
|
|
#pragma pack(push)
|
|
#pragma pack(1)
|
|
struct stio_ethhdr_t
|
|
{
|
|
stio_uint8_t dest[STIO_ETHADR_LEN];
|
|
stio_uint8_t source[STIO_ETHADR_LEN];
|
|
stio_uint16_t proto;
|
|
};
|
|
typedef struct stio_ethhdr_t stio_ethhdr_t;
|
|
|
|
struct stio_arphdr_t
|
|
{
|
|
stio_uint16_t htype; /* hardware type (ethernet: 0x0001) */
|
|
stio_uint16_t ptype; /* protocol type (ipv4: 0x0800) */
|
|
stio_uint8_t hlen; /* hardware address length (ethernet: 6) */
|
|
stio_uint8_t plen; /* protocol address length (ipv4 :4) */
|
|
stio_uint16_t opcode; /* operation code */
|
|
};
|
|
typedef struct stio_arphdr_t stio_arphdr_t;
|
|
|
|
/* arp payload for ipv4 over ethernet */
|
|
struct stio_etharp_t
|
|
{
|
|
stio_uint8_t sha[STIO_ETHADR_LEN]; /* source hardware address */
|
|
stio_uint8_t spa[STIO_IP4ADR_LEN]; /* source protocol address */
|
|
stio_uint8_t tha[STIO_ETHADR_LEN]; /* target hardware address */
|
|
stio_uint8_t tpa[STIO_IP4ADR_LEN]; /* target protocol address */
|
|
};
|
|
typedef struct stio_etharp_t stio_etharp_t;
|
|
|
|
struct stio_etharp_pkt_t
|
|
{
|
|
stio_ethhdr_t ethhdr;
|
|
stio_arphdr_t arphdr;
|
|
stio_etharp_t arppld;
|
|
};
|
|
typedef struct stio_etharp_pkt_t stio_etharp_pkt_t;
|
|
#pragma pack(pop)
|
|
|
|
|
|
#if 0
|
|
typedef int (*stio_dev_arp_on_read_t) (stio_dev_arp_t* dev, stio_pkt_arp_t* pkt, stio_len_t len);
|
|
typedef int (*stio_dev_arp_on_write_t) (stio_dev_arp_t* dev, void* wrctx);
|
|
|
|
typedef struct stio_dev_arp_make_t stio_dev_arp_make_t;
|
|
struct stio_dev_arp_make_t
|
|
{
|
|
stio_dev_arp_on_write_t on_write;
|
|
stio_dev_arp_on_read_t on_read;
|
|
};
|
|
|
|
struct stio_dev_arp_t
|
|
{
|
|
STIO_DEV_HEADERS;
|
|
stio_sckhnd_t sck;
|
|
|
|
stio_dev_arp_on_write_t on_write;
|
|
stio_dev_arp_on_read_t on_read;
|
|
};
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#if 0
|
|
STIO_EXPORT stio_dev_arp_t* stio_dev_arp_make (
|
|
stio_t* stio,
|
|
stio_size_t xtnsize,
|
|
const stio_dev_arp_make_t* data
|
|
);
|
|
|
|
STIO_EXPORT int stio_dev_arp_write (
|
|
stio_dev_arp_t* dev,
|
|
const stio_pkt_arp_t* arp,
|
|
void* wrctx
|
|
);
|
|
|
|
STIO_EXPORT int stio_dev_arp_timedwrite (
|
|
stio_dev_arp_t* dev,
|
|
const stio_pkt_arp_t* arp,
|
|
const stio_ntime_t* tmout,
|
|
void* wrctx
|
|
);
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#endif
|