From 0a3f7a263b2b89e285e173073f15f70da5396063 Mon Sep 17 00:00:00 2001 From: Ulrich Weber Date: Tue, 5 Oct 2010 13:46:19 +0200 Subject: 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 Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- net/ipv4/xfrm4_policy.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'net') diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c index 74fb2eb833ec..e3a9a655e6ad 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, -- cgit v1.2.3