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-rw-r--r--include/net/udp.h5
-rw-r--r--include/net/udplite.h39
2 files changed, 7 insertions, 37 deletions
diff --git a/include/net/udp.h b/include/net/udp.h
index 1b921fa..4a9699f 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -72,10 +72,7 @@ struct sk_buff;
*/
static inline __sum16 __udp_lib_checksum_complete(struct sk_buff *skb)
{
- if (! UDP_SKB_CB(skb)->partial_cov)
- return __skb_checksum_complete(skb);
- return csum_fold(skb_checksum(skb, 0, UDP_SKB_CB(skb)->cscov,
- skb->csum));
+ return __skb_checksum_complete_head(skb, UDP_SKB_CB(skb)->cscov);
}
static inline int udp_lib_checksum_complete(struct sk_buff *skb)
diff --git a/include/net/udplite.h b/include/net/udplite.h
index 67ac514..d99df75 100644
--- a/include/net/udplite.h
+++ b/include/net/udplite.h
@@ -47,11 +47,10 @@ static inline int udplite_checksum_init(struct sk_buff *skb, struct udphdr *uh)
return 1;
}
- UDP_SKB_CB(skb)->partial_cov = 0;
cscov = ntohs(uh->len);
if (cscov == 0) /* Indicates that full coverage is required. */
- cscov = skb->len;
+ ;
else if (cscov < 8 || cscov > skb->len) {
/*
* Coverage length violates RFC 3828: log and discard silently.
@@ -60,42 +59,16 @@ static inline int udplite_checksum_init(struct sk_buff *skb, struct udphdr *uh)
cscov, skb->len);
return 1;
- } else if (cscov < skb->len)
+ } else if (cscov < skb->len) {
UDP_SKB_CB(skb)->partial_cov = 1;
-
- UDP_SKB_CB(skb)->cscov = cscov;
-
- /*
- * There is no known NIC manufacturer supporting UDP-Lite yet,
- * hence ip_summed is always (re-)set to CHECKSUM_NONE.
- */
- skb->ip_summed = CHECKSUM_NONE;
+ UDP_SKB_CB(skb)->cscov = cscov;
+ if (skb->ip_summed == CHECKSUM_COMPLETE)
+ skb->ip_summed = CHECKSUM_NONE;
+ }
return 0;
}
-static __inline__ int udplite4_csum_init(struct sk_buff *skb, struct udphdr *uh)
-{
- int rc = udplite_checksum_init(skb, uh);
-
- if (!rc)
- skb->csum = csum_tcpudp_nofold(skb->nh.iph->saddr,
- skb->nh.iph->daddr,
- skb->len, IPPROTO_UDPLITE, 0);
- return rc;
-}
-
-static __inline__ int udplite6_csum_init(struct sk_buff *skb, struct udphdr *uh)
-{
- int rc = udplite_checksum_init(skb, uh);
-
- if (!rc)
- skb->csum = ~csum_unfold(csum_ipv6_magic(&skb->nh.ipv6h->saddr,
- &skb->nh.ipv6h->daddr,
- skb->len, IPPROTO_UDPLITE, 0));
- return rc;
-}
-
static inline int udplite_sender_cscov(struct udp_sock *up, struct udphdr *uh)
{
int cscov = up->len;