diff options
| author | Tom Herbert <therbert@google.com> | 2014-05-03 01:29:38 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-05-05 21:26:30 +0200 |
| commit | ed70fcfcee953a76028bfc3f963d2167c2990020 (patch) | |
| tree | 567f28e17c5a2e5a8dde4821d37a7a5d67a3c4bd /net/ipv4/udp.c | |
| parent | net: Generalize checksum_init functions (diff) | |
| download | linux-ed70fcfcee953a76028bfc3f963d2167c2990020.tar.xz linux-ed70fcfcee953a76028bfc3f963d2167c2990020.zip | |
net: Call skb_checksum_init in IPv4
Call skb_checksum_init instead of private functions.
Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/udp.c')
| -rw-r--r-- | net/ipv4/udp.c | 19 |
1 files changed, 2 insertions, 17 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 4468e1adc094..f2d05d7be743 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1672,7 +1672,6 @@ static int __udp4_lib_mcast_deliver(struct net *net, struct sk_buff *skb, static inline int udp4_csum_init(struct sk_buff *skb, struct udphdr *uh, int proto) { - const struct iphdr *iph; int err; UDP_SKB_CB(skb)->partial_cov = 0; @@ -1684,22 +1683,8 @@ static inline int udp4_csum_init(struct sk_buff *skb, struct udphdr *uh, return err; } - iph = ip_hdr(skb); - if (uh->check == 0) { - skb->ip_summed = CHECKSUM_UNNECESSARY; - } else if (skb->ip_summed == CHECKSUM_COMPLETE) { - if (!csum_tcpudp_magic(iph->saddr, iph->daddr, skb->len, - proto, skb->csum)) - skb->ip_summed = CHECKSUM_UNNECESSARY; - } - if (!skb_csum_unnecessary(skb)) - skb->csum = csum_tcpudp_nofold(iph->saddr, iph->daddr, - skb->len, proto, 0); - /* Probably, we should checksum udp header (it should be in cache - * in any case) and data in tiny packets (< rx copybreak). - */ - - return 0; + return skb_checksum_init_zero_check(skb, proto, uh->check, + inet_compute_pseudo); } /* |