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Diffstat (limited to 'include/net/ip6_checksum.h')
-rw-r--r--include/net/ip6_checksum.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/net/ip6_checksum.h b/include/net/ip6_checksum.h
index 9e3c540c1b11..55236cb71174 100644
--- a/include/net/ip6_checksum.h
+++ b/include/net/ip6_checksum.h
@@ -41,6 +41,13 @@ __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
__wsum csum);
#endif
+static inline __wsum ip6_compute_pseudo(struct sk_buff *skb, int proto)
+{
+ return ~csum_unfold(csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
+ &ipv6_hdr(skb)->daddr,
+ skb->len, proto, 0));
+}
+
static __inline__ __sum16 tcp_v6_check(int len,
const struct in6_addr *saddr,
const struct in6_addr *daddr,
@@ -75,5 +82,17 @@ static inline void tcp_v6_send_check(struct sock *sk, struct sk_buff *skb)
}
#endif
+static inline __sum16 udp_v6_check(int len,
+ const struct in6_addr *saddr,
+ const struct in6_addr *daddr,
+ __wsum base)
+{
+ return csum_ipv6_magic(saddr, daddr, len, IPPROTO_UDP, base);
+}
+
+void udp6_set_csum(bool nocheck, struct sk_buff *skb,
+ const struct in6_addr *saddr,
+ const struct in6_addr *daddr, int len);
+
int udp6_csum_init(struct sk_buff *skb, struct udphdr *uh, int proto);
#endif