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Commit c868ee70 authored by Paolo Abeni's avatar Paolo Abeni Committed by David S. Miller
Browse files

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



the commit 35e2d115 ("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: default avatarPaolo Abeni <pabeni@redhat.com>
Acked-by: default avatarJiri Benc <jbenc@redhat.com>
Acked-by: default avatarJesse Gross <jesse@kernel.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b53ce3e7

drivers/net/geneve.c

+2 −1
Original line number Diff line number Diff line
@@ -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;

net/openvswitch/vport-vxlan.c

+1 −1
Original line number Diff line number Diff line
@@ -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,

	};