On Thu, Apr 1, 2021 at 9:34 PM Tonghao Zhang <[email protected]> wrote: > > On Mon, Dec 14, 2020 at 11:11 AM <[email protected]> wrote: > > > > From: Tonghao Zhang <[email protected]> > > > > The root cause is that the old version of openvswitch doesn't > > remove the padding from packet before L3+ conntrack processing > > and then packets is dropped in linux kernel stack. The patch [1] > > fixes the issue. We fix this issue on gateway which running ovs-dpdk > > as a quick workaround. Padding should be removed because tunnel size > > + inner size > 64B. More detailes, see [1] > > > > [1] - > > https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=9382fe71c0058465e942a633869629929102843d > > Signed-off-by: Tonghao Zhang <[email protected]> > ping :) friendly ping. > > --- > > lib/netdev-native-tnl.c | 4 ++++ > > 1 file changed, 4 insertions(+) > > > > diff --git a/lib/netdev-native-tnl.c b/lib/netdev-native-tnl.c > > index b89dfdd52..acfbb13c4 100644 > > --- a/lib/netdev-native-tnl.c > > +++ b/lib/netdev-native-tnl.c > > @@ -149,11 +149,15 @@ void * > > netdev_tnl_push_ip_header(struct dp_packet *packet, > > const void *header, int size, int *ip_tot_size) > > { > > + int padding = dp_packet_l2_pad_size(packet); > > struct eth_header *eth; > > struct ip_header *ip; > > struct ovs_16aligned_ip6_hdr *ip6; > > > > eth = dp_packet_push_uninit(packet, size); > > + if (padding) { > > + dp_packet_set_size(packet, dp_packet_size(packet) - padding); > > + } > > *ip_tot_size = dp_packet_size(packet) - sizeof (struct eth_header); > > > > memcpy(eth, header, size); > > -- > > 2.14.1 > > > > > -- > Best regards, Tonghao
-- Best regards, Tonghao _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
