[35/66] xfrm4: strip ECN and IP Precedence bits in policy lookup
diff mbox series

Message ID 20101022183559.335906536@clark.site
State New, archived
Headers show
Series
  • 2.6.32.25-stable review
Related show

Commit Message

Greg KH Oct. 22, 2010, 6:35 p.m. UTC
2.6.32-stable review patch.  If anyone has any objections, please let us know.

------------------


From: Ulrich Weber <uweber@astaro.com>

[ 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>
---
 net/ipv4/xfrm4_policy.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)



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Patch
diff mbox series

--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -71,7 +71,7 @@  __xfrm4_find_bundle(struct flowi *fl, st
 		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, st
 
 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,