nfp: run representor TX locklessly

Our representors are software devices built on top of the PF
vNIC, the only state they have are per-cpu stats, so make
the TX run locklessly.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
index c09b893..769fb52 100644 (file)
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
@@ -299,6 +299,8 @@ int nfp_repr_init(struct nfp_app *app, struct net_device *netdev,
 
        SWITCHDEV_SET_OPS(netdev, &nfp_port_switchdev_ops);
 
+       netdev->features |= NETIF_F_LLTX;
+
        if (nfp_app_has_tc(app)) {
                netdev->features |= NETIF_F_HW_TC;
                netdev->hw_features |= NETIF_F_HW_TC;