--- zzzz-none-000/linux-3.10.107/drivers/isdn/i4l/isdn_net.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/isdn/i4l/isdn_net.c	2021-02-04 17:41:59.000000000 +0000
@@ -58,7 +58,7 @@
  * About SOFTNET:
  * Most of the changes were pretty obvious and basically done by HE already.
  *
- * One problem of the isdn net device code is that is uses struct net_device
+ * One problem of the isdn net device code is that it uses struct net_device
  * for masters and slaves. However, only master interface are registered to
  * the network layer, and therefore, it only makes sense to call netif_*
  * functions on them.
@@ -885,7 +885,7 @@
 
 	addinfo[0] = '\0';
 	/* This check stolen from 2.1.72 dev_queue_xmit_nit() */
-	if (p < skb->data || skb->network_header >= skb->tail) {
+	if (p < skb->data || skb_network_header(skb) >= skb_tail_pointer(skb)) {
 		/* fall back to old isdn_net_log_packet method() */
 		char *buf = skb->data;
 
@@ -1371,7 +1371,7 @@
 	eth = eth_hdr(skb);
 
 	if (*eth->h_dest & 1) {
-		if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0)
+		if (ether_addr_equal(eth->h_dest, dev->broadcast))
 			skb->pkt_type = PACKET_BROADCAST;
 		else
 			skb->pkt_type = PACKET_MULTICAST;
@@ -1382,7 +1382,7 @@
 	 */
 
 	else if (dev->flags & (IFF_PROMISC /*| IFF_ALLMULTI*/)) {
-		if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN))
+		if (!ether_addr_equal(eth->h_dest, dev->dev_addr))
 			skb->pkt_type = PACKET_OTHERHOST;
 	}
 	if (ntohs(eth->h_proto) >= ETH_P_802_3_MIN)
@@ -1951,38 +1951,6 @@
 	return len;
 }
 
-/* We don't need to send arp, because we have point-to-point connections. */
-static int
-isdn_net_rebuild_header(struct sk_buff *skb)
-{
-	struct net_device *dev = skb->dev;
-	isdn_net_local *lp = netdev_priv(dev);
-	int ret = 0;
-
-	if (lp->p_encap == ISDN_NET_ENCAP_ETHER) {
-		struct ethhdr *eth = (struct ethhdr *) skb->data;
-
-		/*
-		 *      Only ARP/IP is currently supported
-		 */
-
-		if (eth->h_proto != htons(ETH_P_IP)) {
-			printk(KERN_WARNING
-			       "isdn_net: %s don't know how to resolve type %d addresses?\n",
-			       dev->name, (int) eth->h_proto);
-			memcpy(eth->h_source, dev->dev_addr, dev->addr_len);
-			return 0;
-		}
-		/*
-		 *      Try to get ARP to resolve the header.
-		 */
-#ifdef CONFIG_INET
-		ret = arp_find(eth->h_dest, skb);
-#endif
-	}
-	return ret;
-}
-
 static int isdn_header_cache(const struct neighbour *neigh, struct hh_cache *hh,
 			     __be16 type)
 {
@@ -2005,7 +1973,6 @@
 
 static const struct header_ops isdn_header_ops = {
 	.create = isdn_net_header,
-	.rebuild = isdn_net_rebuild_header,
 	.cache = isdn_header_cache,
 	.cache_update = isdn_header_cache_update,
 };
@@ -2588,7 +2555,8 @@
 		printk(KERN_WARNING "isdn_net: Could not allocate net-device\n");
 		return NULL;
 	}
-	netdev->dev = alloc_netdev(sizeof(isdn_net_local), name, _isdn_setup);
+	netdev->dev = alloc_netdev(sizeof(isdn_net_local), name,
+				   NET_NAME_UNKNOWN, _isdn_setup);
 	if (!netdev->dev) {
 		printk(KERN_WARNING "isdn_net: Could not allocate network device\n");
 		kfree(netdev);
@@ -2917,8 +2885,8 @@
 			cfg->callback = 2;
 		cfg->cbhup = (lp->flags & ISDN_NET_CBHUP) ? 1 : 0;
 		cfg->dialmode = lp->flags & ISDN_NET_DIALMODE_MASK;
-		cfg->chargehup = (lp->hupflags & 4) ? 1 : 0;
-		cfg->ihup = (lp->hupflags & 8) ? 1 : 0;
+		cfg->chargehup = (lp->hupflags & ISDN_CHARGEHUP) ? 1 : 0;
+		cfg->ihup = (lp->hupflags & ISDN_INHUP) ? 1 : 0;
 		cfg->cbdelay = lp->cbdelay;
 		cfg->dialmax = lp->dialmax;
 		cfg->triggercps = lp->triggercps;