xfrm4: strip ECN bits from tos field

otherwise ECT(1) bit will get interpreted as RTO_ONLINK
and routing will fail with XfrmOutBundleGenError.

Signed-off-by: Ulrich Weber <uweber@astaro.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ulrich Weber 2010-09-22 06:45:11 +00:00 committed by David S. Miller
parent 3f5a2a713a
commit 94e2238969

View File

@ -61,7 +61,7 @@ static int xfrm4_get_saddr(struct net *net,
static int xfrm4_get_tos(struct flowi *fl) 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, static int xfrm4_init_path(struct xfrm_dst *path, struct dst_entry *dst,