netdev - [PATCH net-next 2/2] nfp: enable TSO by default for nfp netdev

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Date:   Tue,  5 Jul 2022 08:36:04 +0100
From:   Simon Horman <simon.horman@...igine.com>
To:     David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     netdev@...r.kernel.org, oss-drivers@...igine.com
Subject: [PATCH net-next 2/2] nfp: enable TSO by default for nfp netdev

We can benefit from TSO when the host CPU is not powerful enough,
so enable it by default now.

Signed-off-by: Yinjun Zhang <yinjun.zhang@...igine.com>
Reviewed-by: Louis Peens <louis.peens@...igine.com>
Signed-off-by: Simon Horman <simon.horman@...igine.com>
---
 drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 7 +++----
 drivers/net/ethernet/netronome/nfp/nfp_net_repr.c   | 5 ++---
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index d4b4966d6e29..c5c3a4aac788 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -2420,12 +2420,11 @@ static void nfp_net_netdev_init(struct nfp_net *nn)
 	if (nfp_app_has_tc(nn->app) && nn->port)
 		netdev->hw_features |= NETIF_F_HW_TC;
 
-	/* Advertise but disable TSO by default.
-	 * C-Tag strip and S-Tag strip can't be supported simultaneously,
+	/* C-Tag strip and S-Tag strip can't be supported simultaneously,
 	 * so enable C-Tag strip and disable S-Tag strip by default.
 	 */
-	netdev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_HW_VLAN_STAG_RX);
-	nn->dp.ctrl &= ~(NFP_NET_CFG_CTRL_LSO_ANY | NFP_NET_CFG_CTRL_RXQINQ);
+	netdev->features &= ~NETIF_F_HW_VLAN_STAG_RX;
+	nn->dp.ctrl &= ~NFP_NET_CFG_CTRL_RXQINQ;
 
 	/* Finalise the netdev setup */
 	switch (nn->dp.ops->version) {
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
index 8ea4d8b55750..8b77582bdfa0 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
@@ -380,11 +380,10 @@ int nfp_repr_init(struct nfp_app *app, struct net_device *netdev,
 
 	netdev->features = netdev->hw_features;
 
-	/* Advertise but disable TSO by default.
-	 * C-Tag strip and S-Tag strip can't be supported simultaneously,
+	/* C-Tag strip and S-Tag strip can't be supported simultaneously,
 	 * so enable C-Tag strip and disable S-Tag strip by default.
 	 */
-	netdev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_HW_VLAN_STAG_RX);
+	netdev->features &= ~NETIF_F_HW_VLAN_STAG_RX;
 	netif_set_tso_max_segs(netdev, NFP_NET_LSO_MAX_SEGS);
 
 	netdev->priv_flags |= IFF_NO_QUEUE | IFF_DISABLE_NETPOLL;
-- 
2.30.2