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net/mlx5e: Properly resolve TC offloaded ipv6 vxlan tunnel source address

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Currently if vxlan tunnel ipv6 src isn't supplied the driver fails to
resolve it as part of the route lookup. The resulting encap header
is left with a zeroed out ipv6 src address so the packets are sent
with this src ip.

Use an appropriate route lookup API that also resolves the source
ipv6 address if it's not supplied.

Fixes: ce99f6b97fcd ('net/mlx5e: Support SRIOV TC encapsulation offloads for IPv6 tunnels')
Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Paul Blakey 2017-08-22 13:51:56 +03:00 committed by Saeed Mahameed
parent 5a8e12678c
commit 08820528c9
1 changed files with 3 additions and 5 deletions
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8
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
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@ -1443,12 +1443,10 @@ static int mlx5e_route_lookup_ipv6(struct mlx5e_priv *priv,
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
int ret;
dst = ip6_route_output(dev_net(mirred_dev), NULL, fl6);
ret = dst->error;
if (ret) {
dst_release(dst);
ret = ipv6_stub->ipv6_dst_lookup(dev_net(mirred_dev), NULL, &dst,
fl6);
if (ret < 0)
return ret;
}
*out_ttl = ip6_dst_hoplimit(dst);