patch-2.2.3 linux/net/ipv4/arp.c

• Lines: 20
• Date: Sun Mar 7 15:25:23 1999
• Orig file: v2.2.2/linux/net/ipv4/arp.c
• Orig date: Thu Nov 19 09:56:29 1998

diff -u --recursive --new-file v2.2.2/linux/net/ipv4/arp.c linux/net/ipv4/arp.c
@@ -557,6 +557,19 @@
 		if (htons(dev_type) != arp->ar_hrd)
 			goto out;
 		break;
+#ifdef CONFIG_NET_ETHERNET
+	case ARPHRD_ETHER:
+		/*
+		 * ETHERNET devices will accept ARP hardware types of either
+		 * 1 (Ethernet) or 6 (IEEE 802.2).
+		 */
+		if (arp->ar_hrd != __constant_htons(ARPHRD_ETHER) &&
+		    arp->ar_hrd != __constant_htons(ARPHRD_IEEE802))
+			goto out;
+		if (arp->ar_pro != __constant_htons(ETH_P_IP))
+			goto out;
+		break;
+#endif
 #ifdef CONFIG_FDDI
 	case ARPHRD_FDDI:
 		/*