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authorPablo Neira Ayuso <pablo@netfilter.org>2015-08-21 01:10:19 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2015-08-21 06:09:05 +0200
commit81bf1c64e7fe08f956c74fe2b0f1fa6eb163bd91 (patch)
tree40370ca95f416fd88cb93e5c252623e282b3553e /net/core/utils.c
parent8cfd23e6740158817d2045915f6ea5a2daf11bce (diff)
parent938049e18dca57bcd2f93986fc1cbb5a83cdf027 (diff)
downloadlinux-81bf1c64e7fe08f956c74fe2b0f1fa6eb163bd91.tar.bz2
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Resolve conflicts with conntrack template fixes. Conflicts: net/netfilter/nf_conntrack_core.c net/netfilter/nf_synproxy_core.c net/netfilter/xt_CT.c Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/core/utils.c')
-rw-r--r--net/core/utils.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/net/core/utils.c b/net/core/utils.c
index a7732a068043..3dffce953c39 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -301,7 +301,7 @@ out:
EXPORT_SYMBOL(in6_pton);
void inet_proto_csum_replace4(__sum16 *sum, struct sk_buff *skb,
- __be32 from, __be32 to, int pseudohdr)
+ __be32 from, __be32 to, bool pseudohdr)
{
if (skb->ip_summed != CHECKSUM_PARTIAL) {
csum_replace4(sum, from, to);
@@ -318,7 +318,7 @@ EXPORT_SYMBOL(inet_proto_csum_replace4);
void inet_proto_csum_replace16(__sum16 *sum, struct sk_buff *skb,
const __be32 *from, const __be32 *to,
- int pseudohdr)
+ bool pseudohdr)
{
__be32 diff[] = {
~from[0], ~from[1], ~from[2], ~from[3],
@@ -336,6 +336,19 @@ void inet_proto_csum_replace16(__sum16 *sum, struct sk_buff *skb,
}
EXPORT_SYMBOL(inet_proto_csum_replace16);
+void inet_proto_csum_replace_by_diff(__sum16 *sum, struct sk_buff *skb,
+ __wsum diff, bool pseudohdr)
+{
+ if (skb->ip_summed != CHECKSUM_PARTIAL) {
+ *sum = csum_fold(csum_add(diff, ~csum_unfold(*sum)));
+ if (skb->ip_summed == CHECKSUM_COMPLETE && pseudohdr)
+ skb->csum = ~csum_add(diff, ~skb->csum);
+ } else if (pseudohdr) {
+ *sum = ~csum_fold(csum_add(diff, csum_unfold(*sum)));
+ }
+}
+EXPORT_SYMBOL(inet_proto_csum_replace_by_diff);
+
struct __net_random_once_work {
struct work_struct work;
struct static_key *key;