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/*
Copyright (C) 1995 Free Software Foundation, Inc.
Written by Michael I. Bushnell, p/BSG.
This file is part of the GNU Hurd.
The GNU Hurd is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
The GNU Hurd 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
#include <device/device.h>
#include <device/net_status.h>
#define ethername "el1"
device_t ether_port;
struct device *ether_dev;
struct port_class *etherreadclass;
struct port_info *readpt;
mach_port_t readptname;
int
ethernet_demuxer (struct mach_msg_header_t *inp,
struct mach_msg_header_t *outp)
{
struct net_rcv_msg *msg = (struct net_rcv_msg *) inp;
struct packet_header *pkthdr = (struct packet_header *) msg->header;
if (inp->msgh_id != 2999)
return 0;
if (inp->msgh_local_port != readptname)
{
if (inp->msgh_remote_port != MACH_PORT_NULL)
mach_port_deallocate (mach_task_self (), inp->msgh_remote_port);
return 1;
}
if (ntohs (pkthdr->type) != HDR_ETHERNET)
return 1;
mutex_lock (&global_lock);
skb = alloc_skb (msg->net_rcv_msg_packet_count, GFP_ATOMIC);
skb->len = msg->net_rcv_msg_packet_count;
sbx->dev = ether_dev;
bcopy (msg->packet, skb->data, msg->net_rcv_msg_packet_count);
mutex_unlock (&global_lock);
}
static short ether_filter[] =
{
NETF_PUSHLIT | NETF_NOP,
1,
NETF_PUSHZERO | NETF_OR,
};
static int ether_filter_len = 3;
void
start_ethernet (void)
{
etherreadclass = ports_create_class (0, 0);
readpt = ports_allocate_port (pfinet_bucket, sizeof (struct port_info),
etherreadclass);
readptname = ports_get_right (readpt);
mach_port_insert_right (mach_task_self (), readptname, readptname,
MACH_MSG_TYPE_MAKE_SEND);
device_open (master_device, D_WRITE | D_READ, ethername, ðer_port);
device_set_filter (ether_port, ports_get_right (readpt),
MACH_MSG_TYPE_MAKE_SEND, NET_HI_PRI,
ether_filter, ether_filter_len);
}
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