commit e898d4db2749c6052072e9bc4448e396cbdeb06a
author YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Sat Mar 01 01:06:47 2008 +0900
committer YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Tue Mar 04 15:18:22 2008 +0900
tree 2b8673d85210a23e67d0817b18f401411e8936f3
parent c6aefafb7ec620911d46174eed514f9df639e5a4

[UDP]: Allow users to configure UDP-Lite.

Let's give users an option for disabling UDP-Lite (~4K).

old:
|    text	   data	    bss	    dec	    hex	filename
|  286498	  12432	   6072	 305002	  4a76a	net/ipv4/built-in.o
|  193830	   8192	   3204	 205226	  321aa	net/ipv6/ipv6.o

new (without UDP-Lite):
|    text	   data	    bss	    dec	    hex	filename
|  284086	  12136	   5432	 301654	  49a56	net/ipv4/built-in.o
|  191835	   7832	   3076	 202743	  317f7	net/ipv6/ipv6.o

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

net/ipv6/ipv6_sockglue.c

diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index bf2a686..0a18fec 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -239,7 +239,9 @@
 			struct sk_buff *pktopt;
 
 			if (sk->sk_protocol != IPPROTO_UDP &&
+#ifdef CONFIG_IP_UDPLITE
 			    sk->sk_protocol != IPPROTO_UDPLITE &&
+#endif
 			    sk->sk_protocol != IPPROTO_TCP)
 				break;
 
@@ -279,7 +281,7 @@
 			} else {
 				struct proto *prot = &udp_prot;
 
-				if (sk->sk_protocol == IPPROTO_UDPLITE)
+				if (IS_PROTO_UDPLITE(sk->sk_protocol))
 					prot = &udplite_prot;
 				local_bh_disable();
 				sock_prot_inuse_add(sk->sk_prot, -1);
@@ -844,7 +846,9 @@
 	switch (optname) {
 	case IPV6_ADDRFORM:
 		if (sk->sk_protocol != IPPROTO_UDP &&
+#ifdef CONFIG_IP_UDPLITE
 		    sk->sk_protocol != IPPROTO_UDPLITE &&
+#endif
 		    sk->sk_protocol != IPPROTO_TCP)
 			return -EINVAL;
 		if (sk->sk_state != TCP_ESTABLISHED)