diff options
Diffstat (limited to 'drivers/net/wan/lmc/lmc_proto.c')
| -rw-r--r-- | drivers/net/wan/lmc/lmc_proto.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/drivers/net/wan/lmc/lmc_proto.c b/drivers/net/wan/lmc/lmc_proto.c new file mode 100644 index 000000000..f600075e8 --- /dev/null +++ b/drivers/net/wan/lmc/lmc_proto.c @@ -0,0 +1,135 @@ + /* + * 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"); +} |