ipv6: move csum_ipv6_magic() and udp6_csum_init() into static library

[karo-tx-linux.git] / net / ipv6 / udp.c

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index dfaa29b8b2939c03fef13fa416f6fdaef031bf5d..1afb635d9b57b0aecc86269bfc07ee39b8add330 100644 (file)
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -752,40 +752,6 @@ static int __udp6_lib_mcast_deliver(struct net *net, struct sk_buff *skb,
        return 0;
 }
 
-static inline int udp6_csum_init(struct sk_buff *skb, struct udphdr *uh,
-                                int proto)
-{
-       int err;
-
-       UDP_SKB_CB(skb)->partial_cov = 0;
-       UDP_SKB_CB(skb)->cscov = skb->len;
-
-       if (proto == IPPROTO_UDPLITE) {
-               err = udplite_checksum_init(skb, uh);
-               if (err)
-                       return err;
-       }
-
-       if (uh->check == 0) {
-               /* RFC 2460 section 8.1 says that we SHOULD log
-                  this error. Well, it is reasonable.
-                */
-               LIMIT_NETDEBUG(KERN_INFO "IPv6: udp checksum is 0\n");
-               return 1;
-       }
-       if (skb->ip_summed == CHECKSUM_COMPLETE &&
-           !csum_ipv6_magic(&ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr,
-                            skb->len, proto, skb->csum))
-               skb->ip_summed = CHECKSUM_UNNECESSARY;
-
-       if (!skb_csum_unnecessary(skb))
-               skb->csum = ~csum_unfold(csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
-                                                        &ipv6_hdr(skb)->daddr,
-                                                        skb->len, proto, 0));
-
-       return 0;
-}
-
 int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
                   int proto)
 {