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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. */
device_t ether_port;
struct device *ether_dev;
void
ethernet_main_loop (void)
{
error_t err;
vm_address_t packet;
vm_size_t packetlen;
struct sk_buff *skb;
/* Listen to packets forever. When one arrives,
it's an "interrupt", so drop to interrupt layer, and call
the generic code. */
for (;;)
{
err = device_read (ether_port, 0, 0, vm_page_size, &packet,
&packetlen);
if (err)
{
perror ("Reading from ethernet");
continue;
}
begin_interrupt ();
skb = alloc_skb (packetlen, GFP_ATOMIC);
skb->len = packetlen;
skb->dev = ether_dev;
bcopy (packet, skb->data);
netif_rx (skb);
}
}
void
start_ethernet (void)
{
cthread_detach (cthread_fork ((cthread_fn_t) ethernet_main_loop, 0));
}
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