Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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");
+}