[patch 2.5.44+] IpInUnknownProtos support

This adds the update for the SNMP MIB counter
IpInUnknownProtos (to catch all those unrecognized
sctp packets ;)) for ipv4. 

thanks,
Nivedita

diff -urN linux-2.5.44s1/net/ipv4/ip_input.c linux-2.5.44s2/net/ipv4/ip_input.c

--- linux-2.5.44s1/net/ipv4/ip_input.c	Mon Oct 28 17:05:40 2002
+++ linux-2.5.44s2/net/ipv4/ip_input.c	Mon Oct 28 17:00:58 2002

@@ -240,6 +240,7 @@
 			IP_INC_STATS_BH(IpInDelivers);
 		} else {
 			if (!raw_sk) {
+				IP_INC_STATS_BH(IpInUnknownProtos);
 				icmp_send(skb, ICMP_DEST_UNREACH,
 					  ICMP_PROT_UNREACH, 0);
 			} else

   From: Nivedita Singhvi [off-list ref]
   Date: Mon, 28 Oct 2002 17:18:04 -0800 (PST)

   This adds the update for the SNMP MIB counter
   IpInUnknownProtos (to catch all those unrecognized
   sctp packets ;)) for ipv4. 

I've applied this patch, thanks.