VxWorks6.9上以太网2层发包程序

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#include <ipcom_pkt.h>
#include "ipnet_h.h"

typedef struct pkt_arp_struct
{
    /* ARP header, names taken from RFC 826 */
    UINT16    hrd;    /* Hardware address space (e.g. Ethernet,
                         Packet Radio Net.) */
    UINT16    pro;    /* Protocol address space. For Ethernet
                         hardware, this is from the set of Ethernet
                         types */
    UINT8     hln;    /* Hardware address length, 6 for Ethernet */
    UINT8     pln;    /* Protocol address length, 4 for IPv4 */
    UINT16    op;     /* Opcodes, IPNET_ARP_OP_REQUEST or
                         IPNET_ARP_OP_REPLY */

UINT8 eth_src[6];
UINT8 ip_src[4];

UINT8 eth_dst[6];
UINT8 ip_dst[4];
}pkt_arp;

STATUS gem1Send2(void)
{
// UINT8    dataBuffer[512];
UINT8    src[6]={0x00,0x0A,0x35,0x01,0x02,0x23};
UINT8    dst[6]={0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};

pkt_arp    *arp;

Ipcom_pkt    *pkt;
Ipnet_netif         *netif;

    END_OBJ     *pEnd;
    GEM_DRV_CTRL*pDrvCtrl;


    pEnd=endFindByName("gem",1);

     pDrvCtrl = (GEM_DRV_CTRL *)pEnd;

     if(NULL==pEnd)
     {
     printf("Could not find END obj\n");
     return ERROR;

     }

netif=ipnet_if_nametonetif(0,"gem1");

    pkt = ipcom_pkt_malloc(sizeof(pkt_arp), IP_FLAG_FC_STACKCONTEXT);
    if (pkt)
    {
        pkt->start   = ipcom_conf_max_link_hdr_size;
        pkt->end     = pkt->start;
        pkt->ipstart = pkt->start;
        pkt->ifindex = netif->ipcom.ifindex;
    }

    arp = ipcom_pkt_push_back(pkt, sizeof(pkt_arp));
    arp->hrd = ip_htons(0x0001);
    arp->pro = ip_htons(0x0800);
    arp->hln = 6;
    arp->pln = sizeof(struct Ip_in_addr);
    arp->op = ip_htons(0x0001);

//(void)ipnet_if_output(netif, pkt);

    ipnet_eth_add_hdr(pkt,netif,dst,src,0x0608);

    mux2Send(pEnd,pkt);

/*ipnet_if_indextonetif*/
}

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