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authorUlrich Weber <uweber@astaro.com>2010-10-05 13:46:19 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2010-10-28 21:44:06 -0700
commit0a3f7a263b2b89e285e173073f15f70da5396063 (patch)
treee29ca0d0e352158c76f0eebd04802a7ca75a7de5 /net/ipv4
parent94210a7fc93031ec4994e6cf566d3ec561549472 (diff)
xfrm4: strip ECN and IP Precedence bits in policy lookup
[ Upstream commit 94e2238969e89f5112297ad2a00103089dde7e8f ] dont compare ECN and IP Precedence bits in find_bundle and use ECN bit stripped TOS value in xfrm_lookup Signed-off-by: Ulrich Weber <uweber@astaro.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/xfrm4_policy.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 74fb2eb833e..e3a9a655e6a 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -71,7 +71,7 @@ __xfrm4_find_bundle(struct flowi *fl, struct xfrm_policy *policy)
if (xdst->u.rt.fl.oif == fl->oif && /*XXX*/
xdst->u.rt.fl.fl4_dst == fl->fl4_dst &&
xdst->u.rt.fl.fl4_src == fl->fl4_src &&
- xdst->u.rt.fl.fl4_tos == fl->fl4_tos &&
+ !((xdst->u.rt.fl.fl4_tos ^ fl->fl4_tos) & IPTOS_RT_MASK) &&
xfrm_bundle_ok(policy, xdst, fl, AF_INET, 0)) {
dst_clone(dst);
break;
@@ -83,7 +83,7 @@ __xfrm4_find_bundle(struct flowi *fl, struct xfrm_policy *policy)
static int xfrm4_get_tos(struct flowi *fl)
{
- return fl->fl4_tos;
+ return IPTOS_RT_MASK & fl->fl4_tos; /* Strip ECN bits */
}
static int xfrm4_init_path(struct xfrm_dst *path, struct dst_entry *dst,