Message ID | 20190327182748.17501-1-ssuryaextr@gmail.com |
---|---|
State | Changes Requested |
Delegated to: | David Miller |
Headers | show |
Series | [net] vrf: check accept_source_route on the original netdevice | expand |
Hit send too soon. There is another related problem that I think needs fixing. On Wed, Mar 27, 2019 at 3:55 PM Stephen Suryaputra <ssuryaextr@gmail.com> wrote: > > Configuration check to accept source route IP options should be made on the > incoming netdevice when the skb->dev is an l3mdev master. > > Signed-off-by: Stephen Suryaputra <ssuryaextr@gmail.com> > --- > net/ipv4/ip_input.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c > index ecce2dc78f17..754176222ef6 100644 > --- a/net/ipv4/ip_input.c > +++ b/net/ipv4/ip_input.c > @@ -263,6 +263,9 @@ static inline bool ip_rcv_options(struct sk_buff *skb) > const struct iphdr *iph; > struct net_device *dev = skb->dev; > > + if (netif_is_l3_master(dev)) > + dev = __dev_get_by_index(dev_net(dev), IPCB(skb)->iif); > + > /* It looks as overkill, because not all > IP options require packet mangling. > But it is the easiest for now, especially taking > -- > 2.17.1 >
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c index ecce2dc78f17..754176222ef6 100644 --- a/net/ipv4/ip_input.c +++ b/net/ipv4/ip_input.c @@ -263,6 +263,9 @@ static inline bool ip_rcv_options(struct sk_buff *skb) const struct iphdr *iph; struct net_device *dev = skb->dev; + if (netif_is_l3_master(dev)) + dev = __dev_get_by_index(dev_net(dev), IPCB(skb)->iif); + /* It looks as overkill, because not all IP options require packet mangling. But it is the easiest for now, especially taking
Configuration check to accept source route IP options should be made on the incoming netdevice when the skb->dev is an l3mdev master. Signed-off-by: Stephen Suryaputra <ssuryaextr@gmail.com> --- net/ipv4/ip_input.c | 3 +++ 1 file changed, 3 insertions(+)