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***************
*** 26,36 ****
#include <device/net_status.h>
#include <netinet/in.h>
#include <string.h>
#include <error.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/if_arp.h>
struct port_class *etherreadclass;
--- 26,39 ----
#include <device/net_status.h>
#include <netinet/in.h>
#include <string.h>
+ #define _HACK_ERRNO_H
+ #include <errno.h>
#include <error.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/if_arp.h>
+ #include <device/bpf.h>
struct port_class *etherreadclass;
***************
*** 68,82 ****
{
}
- static short ether_filter[] =
{
- #ifdef NETF_IN
- /* We have to tell the packet filtering code that we're interested in
- incoming packets. */
- NETF_IN, /* Header. */
- #endif
- NETF_PUSHLIT | NETF_NOP,
- 1
};
static int ether_filter_len = sizeof (ether_filter) / sizeof (short);
--- 71,85 ----
{
}
+ /* The BPF instruction allows IP and ARP packets */
+ static struct bpf_insn ether_filter[] =
{
+ {NETF_IN|NETF_BPF, /* Header. */ 0, 0, 0},
+ {40, 0, 0, 12},
+ {21, 1, 0, 2054},
+ {21, 0, 1, 2048},
+ {6, 0, 0, 1500},
+ {6, 0, 0, 0}
};
static int ether_filter_len = sizeof (ether_filter) / sizeof (short);
***************
*** 166,176 ****
mach_port_set_qlimit (mach_task_self (), edev->readptname, MACH_PORT_QLIMIT_MAX);
- err = get_privileged_ports (0, &master_device);
- if (err)
- error (2, err, "cannot get device master port");
- err = device_open (master_device, D_WRITE | D_READ, dev->name, &edev->ether_port);
mach_port_deallocate (mach_task_self (), master_device);
if (err)
error (2, err, "%s", dev->name);
--- 169,180 ----
mach_port_set_qlimit (mach_task_self (), edev->readptname, MACH_PORT_QLIMIT_MAX);
+ /* The device name here is the path of a device file. */
+ master_device = file_name_lookup (dev->name, 0, 0);
+ if (master_device == MACH_PORT_NULL)
+ error (2, errno, "file_name_lookup %s", dev->name);
+ err = device_open (master_device, D_WRITE | D_READ, "eth", &edev->ether_port);
mach_port_deallocate (mach_task_self (), master_device);
if (err)
error (2, err, "%s", dev->name);
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