patch-2.3.99-pre6 linux/drivers/net/wan/lmc/lmc_proto.c

• Lines: 271
• Date: Fri Apr 21 16:38:26 2000
• Orig file: v2.3.99-pre5/linux/drivers/net/wan/lmc/lmc_proto.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.99-pre5/linux/drivers/net/wan/lmc/lmc_proto.c linux/drivers/net/wan/lmc/lmc_proto.c
@@ -0,0 +1,270 @@
+ /*
+  * 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 Public License version 2, incorporated herein by reference.
+  *
+  * Driver for the LanMedia LMC5200, LMC5245, LMC1000, LMC1200 cards.
+  */
+
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/ptrace.h>
+#include <linux/errno.h>
+#include <linux/ioport.h>
+#include <linux/malloc.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <asm/segment.h>
+#include <asm/smp.h>
+
+#include <linux/in.h>
+#include <linux/if_arp.h>
+#include <asm/processor.h>             /* Processor type for cache alignment. */
+#include <asm/bitops.h>
+#include <asm/io.h>
+#include <asm/dma.h>
+
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include "../syncppp.h"
+#include <linux/inet.h>
+#include <linux/tqueue.h>
+#include <linux/proc_fs.h>
+
+#include "lmc_ver.h"
+#include "lmc.h"
+#include "lmc_var.h"
+#include "lmc_debug.h"
+#include "lmc_ioctl.h"
+#include "lmc_proto.h"
+//#include "lmc_proto_raw.h"
+
+/*
+ * The compile-time variable SPPPSTUP causes the module to be
+ * compiled without referencing any of the sync ppp routines.
+ */
+#ifdef SPPPSTUB
+#define SYNC_PPP_init() (void)0
+#define SPPP_detach(d)	(void)0
+#define SPPP_open(d)	0
+#define SPPP_reopen(d)	(void)0
+#define SPPP_close(d)	(void)0
+#define SPPP_attach(d)	(void)0
+#define SPPP_do_ioctl(d,i,c)	-EOPNOTSUPP
+#else
+#if LINUX_VERSION_CODE < 0x20363
+#define SYNC_PPP_init	sync_ppp_init
+#define SPPP_attach(x)	sppp_attach((struct ppp_device *)(x)->lmc_device)
+#define SPPP_detach(x)	sppp_detach((x)->lmc_device)
+#define SPPP_open(x)	sppp_open((x)->lmc_device)
+#define SPPP_reopen(x)	sppp_reopen((x)->lmc_device)
+#define SPPP_close(x)	sppp_close((x)->lmc_device)
+#define SPPP_do_ioctl(x, y, z)	sppp_do_ioctl((x)->lmc_device, (y), (z))
+#else
+#define SYNC_PPP_init	sync_ppp_init
+#define SPPP_attach(x)	sppp_attach((x)->pd)
+#define SPPP_detach(x)	sppp_detach((x)->pd->dev)
+#define SPPP_open(x)	sppp_open((x)->pd->dev)
+#define SPPP_reopen(x)	sppp_reopen((x)->pd->dev)
+#define SPPP_close(x)	sppp_close((x)->pd->dev)
+#define SPPP_do_ioctl(x, y, z)	sppp_do_ioctl((x)->pd->dev, (y), (z))
+#endif
+#endif
+
+static int lmc_first_ppp_load = 0;
+
+// init
+void lmc_proto_init(lmc_softc_t *sc) /*FOLD00*/
+{
+    lmc_trace(sc->lmc_device, "lmc_proto_init in");
+    switch(sc->if_type){
+    case LMC_PPP:
+        if(lmc_first_ppp_load == 0)
+#ifndef MODULE
+            SYNC_PPP_init();
+#endif
+        
+#if LINUX_VERSION_CODE >= 0x20363
+        sc->pd = kmalloc(sizeof(struct ppp_device), GFP_KERNEL);
+        sc->pd->dev = sc->lmc_device;
+#endif
+        sc->if_ptr = sc->pd;
+        break;
+    case LMC_RAW:
+        break;
+    default:
+        break;
+    }
+    lmc_trace(sc->lmc_device, "lmc_proto_init out");
+}
+
+// attach
+void lmc_proto_attach(lmc_softc_t *sc) /*FOLD00*/
+{
+    lmc_trace(sc->lmc_device, "lmc_proto_attach in");
+    switch(sc->if_type){
+    case LMC_PPP:
+        {
+            struct net_device *dev = sc->lmc_device;
+            SPPP_attach(sc);
+            dev->do_ioctl = lmc_ioctl;
+        }
+        break;
+    case LMC_NET:
+        {
+            struct net_device *dev = sc->lmc_device;
+            /*
+             * They set a few basics because they don't use sync_ppp
+             */
+            dev->flags |= IFF_POINTOPOINT;
+            dev->hard_header = 0;
+            dev->hard_header_len = 0;
+            dev->addr_len = 0;
+        }
+    case LMC_RAW: /* Setup the task queue, maybe we should notify someone? */
+        {
+        }
+    default:
+        break;
+    }
+    lmc_trace(sc->lmc_device, "lmc_proto_attach out");
+}
+
+// detach
+void lmc_proto_detach(lmc_softc_t *sc) /*FOLD00*/
+{
+    switch(sc->if_type){
+    case LMC_PPP:
+        SPPP_detach(sc);
+        break;
+    case LMC_RAW: /* Tell someone we're detaching? */
+        break;
+    default:
+        break;
+    }
+
+}
+
+// reopen
+void lmc_proto_reopen(lmc_softc_t *sc) /*FOLD00*/
+{
+    lmc_trace(sc->lmc_device, "lmc_proto_reopen in");
+    switch(sc->if_type){
+    case LMC_PPP:
+        SPPP_reopen(sc);
+        break;
+    case LMC_RAW: /* Reset the interface after being down, prerape to receive packets again */
+        break;
+    default:
+        break;
+    }
+    lmc_trace(sc->lmc_device, "lmc_proto_reopen out");
+}
+
+
+// ioctl
+int lmc_proto_ioctl(lmc_softc_t *sc, struct ifreq *ifr, int cmd) /*FOLD00*/
+{
+    lmc_trace(sc->lmc_device, "lmc_proto_ioctl out");
+    switch(sc->if_type){
+    case LMC_PPP:
+        return SPPP_do_ioctl (sc, ifr, cmd);
+        break;
+    default:
+        return -EOPNOTSUPP;
+        break;
+    }
+    lmc_trace(sc->lmc_device, "lmc_proto_ioctl out");
+}
+
+// open
+void lmc_proto_open(lmc_softc_t *sc) /*FOLD00*/
+{
+    int ret;
+
+    lmc_trace(sc->lmc_device, "lmc_proto_open in");
+    switch(sc->if_type){
+    case LMC_PPP:
+        ret = SPPP_open(sc);
+        if(ret < 0)
+            printk("%s: syncPPP open failed: %d\n", sc->name, ret);
+        break;
+    case LMC_RAW: /* We're about to start getting packets! */
+        break;
+    default:
+        break;
+    }
+    lmc_trace(sc->lmc_device, "lmc_proto_open out");
+}
+
+// close
+
+void lmc_proto_close(lmc_softc_t *sc) /*FOLD00*/
+{
+    lmc_trace(sc->lmc_device, "lmc_proto_close in");
+    switch(sc->if_type){
+    case LMC_PPP:
+        SPPP_close(sc);
+        break;
+    case LMC_RAW: /* Interface going down */
+        break;
+    default:
+        break;
+    }
+    lmc_trace(sc->lmc_device, "lmc_proto_close out");
+}
+
+unsigned short 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 htons(ETH_P_WAN_PPP);
+        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");
+}
+