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lwt: fix rx checksum setting for lwt devices tunneling over ipv6

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the commit 35e2d1152b ("tunnels: Allow IPv6 UDP checksums to be
correctly controlled.") changed the default xmit checksum setting
for lwt vxlan/geneve ipv6 tunnels, so that now the checksum is not
set into external UDP header.
This commit changes the rx checksum setting for both lwt vxlan/geneve
devices created by openvswitch accordingly, so that lwt over ipv6
tunnel pairs are again able to communicate with default values.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Jiri Benc <jbenc@redhat.com>
Acked-by: Jesse Gross <jesse@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Paolo Abeni 2016-02-17 19:30:01 +01:00 committed by David S. Miller
parent b53ce3e7d4
commit c868ee7063
2 changed files with 3 additions and 2 deletions
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3
drivers/net/geneve.c
View File

@ -1470,7 +1470,8 @@ struct net_device *geneve_dev_create_fb(struct net *net, const char *name,
return dev;
err = geneve_configure(net, dev, &geneve_remote_unspec,
0, 0, 0, htons(dst_port), true, 0);
0, 0, 0, htons(dst_port), true,
GENEVE_F_UDP_ZERO_CSUM6_RX);
if (err)
goto err;

2
net/openvswitch/vport-vxlan.c
View File

@ -90,7 +90,7 @@ static struct vport *vxlan_tnl_create(const struct vport_parms *parms)
int err;
struct vxlan_config conf = {
.no_share = true,
.flags = VXLAN_F_COLLECT_METADATA,
.flags = VXLAN_F_COLLECT_METADATA | VXLAN_F_UDP_ZERO_CSUM6_RX,
/* Don't restrict the packets that can be sent by MTU */
.mtu = IP_MAX_MTU,
};