From: Jakub Kicinski <jakub.kicinski@netronome.com>
Date: Tue, 27 Nov 2018 22:24:53 -0800
Subject: nfp: run representor TX locklessly
Patch-mainline: v5.0-rc1
Git-commit: 9db8bbcb9bc68e7f58e13d30eec87905e2b8825d
References: bsc#1109837

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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/netronome/nfp/nfp_net_repr.c |    2 ++
 1 file changed, 2 insertions(+)

--- 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, s
 
 	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;