152 lines
4.9 KiB
C++
152 lines
4.9 KiB
C++
// Copyright (C) 2001 MandrakeSoft S.A.
|
|
//
|
|
// MandrakeSoft S.A.
|
|
// 43, rue d'Aboukir
|
|
// 75002 Paris - France
|
|
// http://www.linux-mandrake.com/
|
|
// http://www.mandrakesoft.com/
|
|
//
|
|
// This library is free software; you can redistribute it and/or
|
|
// modify it under the terms of the GNU Lesser General Public
|
|
// License as published by the Free Software Foundation; either
|
|
// version 2 of the License, or (at your option) any later version.
|
|
//
|
|
// This library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
// Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public
|
|
// License along with this library; if not, write to the Free Software
|
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
// eth_null.cc - skeleton code for an ethernet pktmover
|
|
|
|
// Various networking docs:
|
|
// http://www.graphcomp.com/info/rfc/
|
|
// rfc0826: arp
|
|
// rfc0903: rarp
|
|
|
|
#include "bochs.h"
|
|
#define LOG_THIS bx_ne2k.
|
|
|
|
|
|
//
|
|
// Define the class. This is private to this module
|
|
//
|
|
class bx_null_pktmover_c : public eth_pktmover_c {
|
|
public:
|
|
bx_null_pktmover_c(const char *netif, const char *macaddr,
|
|
eth_rx_handler_t rxh,
|
|
void *rxarg);
|
|
void sendpkt(void *buf, unsigned io_len);
|
|
private:
|
|
int rx_timer_index;
|
|
static void rx_timer_handler(void *);
|
|
FILE *txlog, *txlog_txt, *rxlog, *rxlog_txt;
|
|
};
|
|
|
|
|
|
//
|
|
// Define the static class that registers the derived pktmover class,
|
|
// and allocates one on request.
|
|
//
|
|
class bx_null_locator_c : public eth_locator_c {
|
|
public:
|
|
bx_null_locator_c(void) : eth_locator_c("null") {}
|
|
protected:
|
|
eth_pktmover_c *allocate(const char *netif, const char *macaddr,
|
|
eth_rx_handler_t rxh,
|
|
void *rxarg) {
|
|
return (new bx_null_pktmover_c(netif, macaddr, rxh, rxarg));
|
|
}
|
|
} bx_null_match;
|
|
|
|
|
|
//
|
|
// Define the methods for the bx_null_pktmover derived class
|
|
//
|
|
|
|
// the constructor
|
|
bx_null_pktmover_c::bx_null_pktmover_c(const char *netif,
|
|
const char *macaddr,
|
|
eth_rx_handler_t rxh,
|
|
void *rxarg)
|
|
{
|
|
#if BX_ETH_NULL_LOGGING
|
|
// Start the rx poll
|
|
this->rx_timer_index =
|
|
bx_pc_system.register_timer(this, this->rx_timer_handler, 1000,
|
|
1, 1); // continuous, active
|
|
this->rxh = rxh;
|
|
this->rxarg = rxarg;
|
|
// eventually Bryce wants txlog to dump in pcap format so that
|
|
// tcpdump -r FILE can read it and interpret packets.
|
|
txlog = fopen ("ne2k-tx.log", "wb");
|
|
if (!txlog) BX_PANIC (("open ne2k-tx.log failed"));
|
|
txlog_txt = fopen ("ne2k-txdump.txt", "wb");
|
|
if (!txlog_txt) BX_PANIC (("open ne2k-txdump.txt failed"));
|
|
fprintf (txlog_txt, "null packetmover readable log file\n");
|
|
fprintf (txlog_txt, "net IF = %s\n", netif);
|
|
fprintf (txlog_txt, "MAC address = ");
|
|
for (int i=0; i<6; i++)
|
|
fprintf (txlog_txt, "%02x%s", 0xff & macaddr[i], i<5?":" : "");
|
|
fprintf (txlog_txt, "\n--\n");
|
|
fflush (txlog_txt);
|
|
#endif
|
|
}
|
|
|
|
void
|
|
bx_null_pktmover_c::sendpkt(void *buf, unsigned io_len)
|
|
{
|
|
#if BX_ETH_NULL_LOGGING
|
|
BX_DEBUG (("sendpkt length %u", io_len));
|
|
// dump raw bytes to a file, eventually dump in pcap format so that
|
|
// tcpdump -r FILE can interpret them for us.
|
|
int n = fwrite (buf, io_len, 1, txlog);
|
|
if (n != 1) BX_ERROR (("fwrite to txlog failed", io_len));
|
|
// dump packet in hex into an ascii log file
|
|
fprintf (txlog_txt, "NE2K transmitting a packet, length %u\n", io_len);
|
|
Bit8u *charbuf = (Bit8u *)buf;
|
|
for (n=0; n<io_len; n++) {
|
|
if (((n % 16) == 0) && n>0)
|
|
fprintf (txlog_txt, "\n");
|
|
fprintf (txlog_txt, "%02x ", charbuf[n]);
|
|
}
|
|
fprintf (txlog_txt, "\n--\n");
|
|
// flush log so that we see the packets as they arrive w/o buffering
|
|
fflush (txlog);
|
|
fflush (txlog_txt);
|
|
#endif
|
|
}
|
|
|
|
void bx_null_pktmover_c::rx_timer_handler (void *this_ptr)
|
|
{
|
|
#if BX_ETH_NULL_LOGGING
|
|
/// hey wait there is no receive data with a NULL ethernet, is there....
|
|
|
|
int io_len = 0;
|
|
Bit8u buf[1];
|
|
bx_null_pktmover_c *class_ptr = (bx_null_pktmover_c *) this_ptr;
|
|
if (io_len > 0) {
|
|
BX_DEBUG (("receive packet length %u", io_len));
|
|
// dump raw bytes to a file, eventually dump in pcap format so that
|
|
// tcpdump -r FILE can interpret them for us.
|
|
int n = fwrite (buf, io_len, 1, class_ptr->rxlog);
|
|
if (n != 1) BX_ERROR (("fwrite to rxlog failed", io_len));
|
|
// dump packet in hex into an ascii log file
|
|
fprintf (class_ptr->rxlog_txt, "NE2K transmitting a packet, length %u\n", io_len);
|
|
Bit8u *charbuf = (Bit8u *)buf;
|
|
for (n=0; n<io_len; n++) {
|
|
if (((n % 16) == 0) && n>0)
|
|
fprintf (class_ptr->rxlog_txt, "\n");
|
|
fprintf (class_ptr->rxlog_txt, "%02x ", charbuf[n]);
|
|
}
|
|
fprintf (class_ptr->rxlog_txt, "\n--\n");
|
|
// flush log so that we see the packets as they arrive w/o buffering
|
|
fflush (class_ptr->rxlog);
|
|
fflush (class_ptr->rxlog_txt);
|
|
}
|
|
#endif
|
|
}
|