| Message ID | 20130117065810.GH18940@secunet.com |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
From: Steffen Klassert <steffen.klassert@secunet.com> Date: Thu, 17 Jan 2013 07:58:10 +0100 > Routes with locked mtu should not use learned pmtu informations, > so do not update the pmtu on these routes. > > Reported-by: Julian Anastasov <ja@ssi.bg> > Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Applied and queued up for -stable. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Hello, On Thu, 17 Jan 2013, Steffen Klassert wrote: > Routes with locked mtu should not use learned pmtu informations, > so do not update the pmtu on these routes. > > Reported-by: Julian Anastasov <ja@ssi.bg> > Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> > --- > net/ipv4/route.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/net/ipv4/route.c b/net/ipv4/route.c > index 6e4a89c..259cbee 100644 > --- a/net/ipv4/route.c > +++ b/net/ipv4/route.c > @@ -912,6 +912,9 @@ static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu) > struct dst_entry *dst = &rt->dst; > struct fib_result res; > > + if (dst_metric_locked(dst, RTAX_MTU)) > + return; > + > if (dst->dev->mtu < mtu) > return; > > -- > 1.7.9.5 Thanks -- Julian Anastasov <ja@ssi.bg> -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 6e4a89c..259cbee 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -912,6 +912,9 @@ static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu) struct dst_entry *dst = &rt->dst; struct fib_result res; + if (dst_metric_locked(dst, RTAX_MTU)) + return; + if (dst->dev->mtu < mtu) return;
Routes with locked mtu should not use learned pmtu informations, so do not update the pmtu on these routes. Reported-by: Julian Anastasov <ja@ssi.bg> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> --- net/ipv4/route.c | 3 +++ 1 file changed, 3 insertions(+)