forked from luck/tmp_suning_uos_patched
7ebb9db011
A break is not needed if it is preceded by a return or goto Signed-off-by: Tom Rix <trix@redhat.com> Link: https://lore.kernel.org/r/20201019172607.31622-1-trix@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
114 lines
2.7 KiB
C
114 lines
2.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 1997-2000 LAN Media Corporation (LMC)
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* All rights reserved. www.lanmedia.com
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*
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* This code is written by:
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* Andrew Stanley-Jones (asj@cban.com)
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* Rob Braun (bbraun@vix.com),
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* Michael Graff (explorer@vix.com) and
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* Matt Thomas (matt@3am-software.com).
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*
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* With Help By:
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* David Boggs
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* Ron Crane
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* Allan Cox
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*
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* Driver for the LanMedia LMC5200, LMC5245, LMC1000, LMC1200 cards.
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*/
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/timer.h>
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#include <linux/ptrace.h>
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#include <linux/errno.h>
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#include <linux/ioport.h>
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#include <linux/interrupt.h>
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#include <linux/in.h>
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#include <linux/if_arp.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/skbuff.h>
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#include <linux/inet.h>
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#include <linux/workqueue.h>
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#include <linux/proc_fs.h>
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#include <linux/bitops.h>
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#include <asm/processor.h> /* Processor type for cache alignment. */
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#include <asm/io.h>
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#include <asm/dma.h>
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#include <linux/smp.h>
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#include "lmc.h"
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#include "lmc_var.h"
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#include "lmc_debug.h"
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#include "lmc_ioctl.h"
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#include "lmc_proto.h"
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// attach
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void lmc_proto_attach(lmc_softc_t *sc) /*FOLD00*/
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{
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if (sc->if_type == LMC_NET) {
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struct net_device *dev = sc->lmc_device;
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/*
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* They set a few basics because they don't use HDLC
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*/
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dev->flags |= IFF_POINTOPOINT;
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dev->hard_header_len = 0;
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dev->addr_len = 0;
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}
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}
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int lmc_proto_ioctl(lmc_softc_t *sc, struct ifreq *ifr, int cmd)
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{
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if (sc->if_type == LMC_PPP)
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return hdlc_ioctl(sc->lmc_device, ifr, cmd);
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return -EOPNOTSUPP;
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}
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int lmc_proto_open(lmc_softc_t *sc)
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{
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int ret = 0;
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if (sc->if_type == LMC_PPP) {
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ret = hdlc_open(sc->lmc_device);
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if (ret < 0)
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printk(KERN_WARNING "%s: HDLC open failed: %d\n",
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sc->name, ret);
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}
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return ret;
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}
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void lmc_proto_close(lmc_softc_t *sc)
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{
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if (sc->if_type == LMC_PPP)
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hdlc_close(sc->lmc_device);
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}
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__be16 lmc_proto_type(lmc_softc_t *sc, struct sk_buff *skb) /*FOLD00*/
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{
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switch(sc->if_type){
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case LMC_PPP:
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return hdlc_type_trans(skb, sc->lmc_device);
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case LMC_NET:
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return htons(ETH_P_802_2);
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case LMC_RAW: /* Packet type for skbuff kind of useless */
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return htons(ETH_P_802_2);
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default:
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printk(KERN_WARNING "%s: No protocol set for this interface, assuming 802.2 (which is wrong!!)\n", sc->name);
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return htons(ETH_P_802_2);
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}
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}
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void lmc_proto_netif(lmc_softc_t *sc, struct sk_buff *skb) /*FOLD00*/
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{
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switch(sc->if_type){
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case LMC_PPP:
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case LMC_NET:
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default:
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netif_rx(skb);
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break;
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case LMC_RAW:
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break;
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}
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}
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