Subversion Repositories 1g_ethernet_dpi

#ifndef _ARP_H_

#define _ARP_H_

#ifdef __cplusplus

extern "C"

{

#endif// __cplusplus

#include "xil_types.h"

#include "tri_mode_emac.h" // tmemac_cfg_t

#include "eth.h" // _packed_struct

#include "net.h" // net_if_t

// ??

#define ARP_SZ      (64)

// APR-proto definitions / net endian

#define ETH_ARP     htons(0x0806)   // Eth-Protocol-Type

#define ARP_HW_ETH  htons(1)        // arp hardware type for ethernet

#define ARP_IPv4    htons(0x0800)   // IPv4 type

#define ARP_REQ     htons(1)        // byte swapped request opcode

#define ARP_RESP    htons(2)        // byte swapped reply opcode

// tbd

struct arp_hdr_ {

    u16     ar_hd;      /* hardware type */

    u16     ar_pro;     /* protcol type */

    u8      ar_hln;     /* hardware addr length */

    u8      ar_pln;     /* protocol header length */

    u16     ar_op;      /* opcode */

    u8      ar_sha[6];  /* sender hardware address */

    u32     ar_spa;     /* sender protocol address */

    u8      ar_tha[6];  /* target hardware address */

    u32     ar_tpa;     /* target protocol address */

} _packed_struct;

typedef struct arp_hdr_ arp_hdr_t;

// Ext:

void eth_arp_init(net_if_t *ip_net_if);

void eth_arp(char *iv_data);

#ifdef __cplusplus

}

#endif// __cplusplus

#endif   // _ARP_H_