mirror of https://gitee.com/openkylin/linux.git
136 lines
3.4 KiB
C
136 lines
3.4 KiB
C
/*
|
|
* Copyright (c) 1997-2000 LAN Media Corporation (LMC)
|
|
* All rights reserved. www.lanmedia.com
|
|
*
|
|
* This code is written by:
|
|
* Andrew Stanley-Jones (asj@cban.com)
|
|
* Rob Braun (bbraun@vix.com),
|
|
* Michael Graff (explorer@vix.com) and
|
|
* Matt Thomas (matt@3am-software.com).
|
|
*
|
|
* With Help By:
|
|
* David Boggs
|
|
* Ron Crane
|
|
* Allan Cox
|
|
*
|
|
* This software may be used and distributed according to the terms
|
|
* of the GNU General Public License version 2, incorporated herein by reference.
|
|
*
|
|
* Driver for the LanMedia LMC5200, LMC5245, LMC1000, LMC1200 cards.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/string.h>
|
|
#include <linux/timer.h>
|
|
#include <linux/ptrace.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/ioport.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/in.h>
|
|
#include <linux/if_arp.h>
|
|
#include <linux/netdevice.h>
|
|
#include <linux/etherdevice.h>
|
|
#include <linux/skbuff.h>
|
|
#include <linux/inet.h>
|
|
#include <linux/workqueue.h>
|
|
#include <linux/proc_fs.h>
|
|
#include <linux/bitops.h>
|
|
#include <asm/processor.h> /* Processor type for cache alignment. */
|
|
#include <asm/io.h>
|
|
#include <asm/dma.h>
|
|
#include <linux/smp.h>
|
|
|
|
#include "lmc.h"
|
|
#include "lmc_var.h"
|
|
#include "lmc_debug.h"
|
|
#include "lmc_ioctl.h"
|
|
#include "lmc_proto.h"
|
|
|
|
// attach
|
|
void lmc_proto_attach(lmc_softc_t *sc) /*FOLD00*/
|
|
{
|
|
lmc_trace(sc->lmc_device, "lmc_proto_attach in");
|
|
if (sc->if_type == LMC_NET) {
|
|
struct net_device *dev = sc->lmc_device;
|
|
/*
|
|
* They set a few basics because they don't use HDLC
|
|
*/
|
|
dev->flags |= IFF_POINTOPOINT;
|
|
dev->hard_header_len = 0;
|
|
dev->addr_len = 0;
|
|
}
|
|
lmc_trace(sc->lmc_device, "lmc_proto_attach out");
|
|
}
|
|
|
|
int lmc_proto_ioctl(lmc_softc_t *sc, struct ifreq *ifr, int cmd)
|
|
{
|
|
lmc_trace(sc->lmc_device, "lmc_proto_ioctl");
|
|
if (sc->if_type == LMC_PPP)
|
|
return hdlc_ioctl(sc->lmc_device, ifr, cmd);
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
int lmc_proto_open(lmc_softc_t *sc)
|
|
{
|
|
int ret = 0;
|
|
|
|
lmc_trace(sc->lmc_device, "lmc_proto_open in");
|
|
|
|
if (sc->if_type == LMC_PPP) {
|
|
ret = hdlc_open(sc->lmc_device);
|
|
if (ret < 0)
|
|
printk(KERN_WARNING "%s: HDLC open failed: %d\n",
|
|
sc->name, ret);
|
|
}
|
|
|
|
lmc_trace(sc->lmc_device, "lmc_proto_open out");
|
|
return ret;
|
|
}
|
|
|
|
void lmc_proto_close(lmc_softc_t *sc)
|
|
{
|
|
lmc_trace(sc->lmc_device, "lmc_proto_close in");
|
|
|
|
if (sc->if_type == LMC_PPP)
|
|
hdlc_close(sc->lmc_device);
|
|
|
|
lmc_trace(sc->lmc_device, "lmc_proto_close out");
|
|
}
|
|
|
|
__be16 lmc_proto_type(lmc_softc_t *sc, struct sk_buff *skb) /*FOLD00*/
|
|
{
|
|
lmc_trace(sc->lmc_device, "lmc_proto_type in");
|
|
switch(sc->if_type){
|
|
case LMC_PPP:
|
|
return hdlc_type_trans(skb, sc->lmc_device);
|
|
break;
|
|
case LMC_NET:
|
|
return htons(ETH_P_802_2);
|
|
break;
|
|
case LMC_RAW: /* Packet type for skbuff kind of useless */
|
|
return htons(ETH_P_802_2);
|
|
break;
|
|
default:
|
|
printk(KERN_WARNING "%s: No protocol set for this interface, assuming 802.2 (which is wrong!!)\n", sc->name);
|
|
return htons(ETH_P_802_2);
|
|
break;
|
|
}
|
|
lmc_trace(sc->lmc_device, "lmc_proto_tye out");
|
|
|
|
}
|
|
|
|
void lmc_proto_netif(lmc_softc_t *sc, struct sk_buff *skb) /*FOLD00*/
|
|
{
|
|
lmc_trace(sc->lmc_device, "lmc_proto_netif in");
|
|
switch(sc->if_type){
|
|
case LMC_PPP:
|
|
case LMC_NET:
|
|
default:
|
|
netif_rx(skb);
|
|
break;
|
|
case LMC_RAW:
|
|
break;
|
|
}
|
|
lmc_trace(sc->lmc_device, "lmc_proto_netif out");
|
|
}
|