diff options
| author | Cong Wang <amwang@redhat.com> | 2013-01-07 20:52:40 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-01-08 17:56:10 -0800 |
| commit | acb3e04119fbf9145eb6d6bb707f6fb662ab4d3b (patch) | |
| tree | 16e6114957ce9d739dc3c0c63de3b7d52dd8812c /net/ipv6/udp.c | |
| parent | b7394d2429c198b1da3d46ac39192e891029ec0f (diff) | |
| download | blackbird-op-linux-acb3e04119fbf9145eb6d6bb707f6fb662ab4d3b.tar.gz blackbird-op-linux-acb3e04119fbf9145eb6d6bb707f6fb662ab4d3b.zip | |
ipv6: move csum_ipv6_magic() and udp6_csum_init() into static library
As suggested by David, udp6_csum_init() is too big to be inlined,
move it to ipv6 static library, net/ipv6/ip6_checksum.c.
And the generic csum_ipv6_magic() too.
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/udp.c')
| -rw-r--r-- | net/ipv6/udp.c | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index dfaa29b8b293..1afb635d9b57 100644 --- 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) { |
