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-rw-r--r--drivers/net/wan/lmc/lmc_proto.c249
1 files changed, 249 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 0000000..74876c0
--- /dev/null
+++ b/drivers/net/wan/lmc/lmc_proto.c
@@ -0,0 +1,249 @@
+ /*
+ * 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/slab.h>
+#include <linux/interrupt.h>
+#include <linux/pci.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 <net/syncppp.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"
+
+/*
+ * The compile-time variable SPPPSTUP causes the module to be
+ * compiled without referencing any of the sync ppp routines.
+ */
+#ifdef SPPPSTUB
+#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
+#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
+
+// 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:
+ sc->pd = kmalloc(sizeof(struct ppp_device), GFP_KERNEL);
+ if (!sc->pd) {
+ printk("lmc_proto_init(): kmalloc failure!\n");
+ return;
+ }
+ sc->pd->dev = sc->lmc_device;
+ 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 = NULL;
+ 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:
+ skb->dev->last_rx = jiffies;
+ netif_rx(skb);
+ break;
+ case LMC_RAW:
+ break;
+ }
+ lmc_trace(sc->lmc_device, "lmc_proto_netif out");
+}
+
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