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  • This comparison shows the changes necessary to convert path 
    /minsoc/branches/rc-1.0/utils/contributions/eth_transf_linux
    from Rev 40 to Rev 109
    ↔ Reverse comparison
  •

Rev 40 → Rev 109

/eth1_mac_recv.c
0,0 → 1,118
#include <stdio.h>
 
#include <string.h>
 
//packet socket
#include <sys/socket.h>
#include <netpacket/packet.h>
#include <net/ethernet.h>
 
//protocol
#include <linux/if_ether.h>
 
//netdevice stuff
#include <sys/ioctl.h>
#include <net/if.h>
 
//file open stuff
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
 
//arp stuff
//#include <linux/if_arp.h>
 
#define MAC_ADDR_LEN 6
typedef unsigned char MacAddress[MAC_ADDR_LEN];
 
int main()
{
int socket_id, new_sock, iRet = -1;
int addrlen, bytesread, nfound =0;
 
int i = 0;
 
MacAddress localMac = {0x00, 0x00, 0xC0, 0x41, 0x36, 0xD3};
// MacAddress localMac = {0xD3, 0x36, 0x41, 0xC0, 0x00, 0x00};
 
char buf[256];
 
struct sockaddr_ll my_addr;
 
struct ifreq ethreq;
 
int if_index;
 
//create packet socket from type sock_dgram where headers are automatically thrown out
if ( ( socket_id = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_ALL) ) ) < 0 )
{
perror("socket");
exit(1);
}
else
{
printf("Socket has been created: socket_number %d\n", socket_id);
}
 
 
//GET ethreq for if "eth1"
strncpy(ethreq.ifr_name,"eth1",IFNAMSIZ);
ioctl(socket_id, SIOCGIFFLAGS, &ethreq);
//SET promisc mode for if ethreq
// ethreq.ifr_flags |= IFF_PROMISC;
// ioctl(socket_id, SIOCSIFFLAGS, &ethreq);
//request index
ioctl(socket_id, SIOCGIFINDEX, &ethreq);
 
if_index = ethreq.ifr_ifindex;
 
printf("This is the index of the interface: %d\n", if_index );
 
memset(&my_addr, '0', sizeof(my_addr) );
 
my_addr.sll_family = AF_PACKET;
my_addr.sll_protocol = htons(ETH_P_ALL); //defaults to socket protocol
my_addr.sll_ifindex = if_index;
// my_addr.sll_hatype = htons(ARPHRD_ETHER);
// my_addr.sll_pkttype = PACKET_OTHERHOST;
my_addr.sll_halen = 6;
memcpy( &(my_addr.sll_addr), localMac, MAC_ADDR_LEN );
 
//request hw_addres
ioctl(socket_id, SIOCGIFHWADDR, &ethreq);
printf("This is the address of my card: %d\n", my_addr.sll_addr[5] );
 
//bind to interface goten from ioctl SIOCGIFHWADDR directive (otherwise all packets are recved)
if ( bind( socket_id, (struct sockaddr *) &my_addr, sizeof(my_addr) ) )
{
perror("bind");
exit(1);
}
 
struct sockaddr_ll from;
int fromlen;
 
fromlen = sizeof(from);
 
for (;;)
{
iRet = recvfrom(socket_id, buf, 256, 0, &from, &fromlen);
if ( iRet == -1 )
{
perror("recvfrom");
exit(1);
}
else
{
printf("Received %d bytes of data.\n", iRet);
printf("This is the received data:\n");
for ( i = 0; i < iRet; i++)
printf("Byte %d: %X\n", i, (int)buf[i]);
printf("End of transmission!\n");
}
}
 
return 0;
}
 
/eth1_mac_snd.c
0,0 → 1,139
#include <stdio.h>
 
#include <string.h>
 
//packet socket
#include <sys/socket.h>
#include <netpacket/packet.h>
#include <net/ethernet.h>
 
//protocol
#include <linux/if_ether.h>
 
//netdevice stuff
#include <sys/ioctl.h>
#include <net/if.h>
 
//file open stuff
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
 
//arp stuff
//#include <linux/if_arp.h>
 
#define MAC_ADDR_LEN 6
typedef unsigned char MacAddress[MAC_ADDR_LEN];
 
int main()
{
int socket_id, new_sock, iRet = -1;
int addrlen, bytesread, nfound =0;
 
int i = 0;
 
MacAddress localMac = {0x00, 0x00, 0xC0, 0x41, 0x36, 0xD3};
MacAddress extMac = {0x55, 0x47, 0x34, 0x22, 0x88, 0x92};
// MacAddress extMac = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 
char buf[256];
 
struct sockaddr_ll my_addr;
 
struct ifreq ethreq;
 
int if_index;
 
if ( ( socket_id = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_ALL) ) ) < 0 )
{
perror("socket");
exit(1);
}
else
{
printf("Socket has been created: socket_number %d\n", socket_id);
}
 
 
//GET ethreq for if "eth1"
strncpy(ethreq.ifr_name,"eth1",IFNAMSIZ);
ioctl(socket_id, SIOCGIFFLAGS, &ethreq);
//SET promisc mode for if ethreq
// ethreq.ifr_flags |= IFF_PROMISC;
// ioctl(socket_id, SIOCSIFFLAGS, &ethreq);
//request index
ioctl(socket_id, SIOCGIFINDEX, &ethreq);
if_index = ethreq.ifr_ifindex;
 
printf("This is the index of the interface: %d\n", if_index );
 
memset(&my_addr, '0', sizeof(my_addr) );
 
my_addr.sll_family = AF_PACKET;
my_addr.sll_protocol = htons(ETH_P_ALL); //defaults to socket protocol
my_addr.sll_ifindex = if_index;
// my_addr.sll_hatype = htons(ARPHRD_ETHER);
// my_addr.sll_pkttype = PACKET_OTHERHOST;
my_addr.sll_halen = 6;
memcpy( &(my_addr.sll_addr), localMac, MAC_ADDR_LEN );
 
//request hw_addres
ioctl(socket_id, SIOCGIFHWADDR, &ethreq);
printf("This is the address of my card: %d\n", my_addr.sll_addr[5] );
 
if ( bind( socket_id, (struct sockaddr *) &my_addr, sizeof(my_addr) ) )
{
perror("bind");
exit(1);
}
 
struct sockaddr_ll addr_to;
int addr_toLen;
 
addr_toLen = sizeof(addr_to);
 
memset(&addr_to, '0', sizeof(addr_to) );
 
addr_to.sll_family = AF_PACKET;
addr_to.sll_ifindex = if_index;
addr_to.sll_halen = 6;
memcpy( &(addr_to.sll_addr), extMac, MAC_ADDR_LEN );
 
for (i=0; i<256 ; i++ )
buf[i] = 0;
 
//first 2 bytes are gathered with length and are ignored
buf[0] = 0xAA;
buf[1] = 0xAA;
//now it gets to fpga: send opcode 0xBA8
buf[2] = 0xBA;
buf[3] = 0x87;
//opcode sent
buf[4] = 0xAA;
buf[5] = 0xAA;
buf[6] = 0xAA;
buf[7] = 0xAA;
buf[8] = 0xAA;
buf[9] = 0xAA;
buf[10] = 0xAA;
buf[11] = 0xAA;
 
// for (;;)
// {
iRet = sendto(socket_id, buf, 46, 0, (struct sockaddr *) &addr_to, addr_toLen);
if ( iRet == -1 )
{
perror("sendto");
exit(1);
}
else
{
// printf("%s\n", buf);
printf("Data sent!\nExiting...\n");
}
// }
 
return 0;
}
 

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