netdev - [PATCH net] sfc: disable RXFCS and RXALL features by default

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Message-ID: <20230511094333.38645-1-pieter.jansen-van-vuuren@amd.com>
Date: Thu, 11 May 2023 10:43:33 +0100
From: Pieter Jansen van Vuuren <pieter.jansen-van-vuuren@....com>
To: <netdev@...r.kernel.org>, <linux-net-drivers@....com>
CC: <davem@...emloft.net>, <kuba@...nel.org>, <pabeni@...hat.com>,
	<edumazet@...gle.com>, <ecree.xilinx@...il.com>, <habetsm.xilinx@...il.com>,
	Pieter Jansen van Vuuren <pieter.jansen-van-vuuren@....com>
Subject: [PATCH net] sfc: disable RXFCS and RXALL features by default

By default we would not want RXFCS and RXALL features enabled as they are
mainly intended for debugging purposes. This does not stop users from
enabling them later on as needed.

Fixes: 8e57daf70671 ("sfc_ef100: RX path for EF100")
Signed-off-by: Pieter Jansen van Vuuren <pieter.jansen-van-vuuren@....com>
Co-developed-by: Edward Cree <ecree.xilinx@...il.com>
Signed-off-by: Edward Cree <ecree.xilinx@...il.com>
Reviewed-by: Martin Habets <habetsm.xilinx@...il.com>
---
 drivers/net/ethernet/sfc/ef100_netdev.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/sfc/ef100_netdev.c b/drivers/net/ethernet/sfc/ef100_netdev.c
index d916877b5a9a..be395cd8770b 100644
--- a/drivers/net/ethernet/sfc/ef100_netdev.c
+++ b/drivers/net/ethernet/sfc/ef100_netdev.c
@@ -378,7 +378,9 @@ int ef100_probe_netdev(struct efx_probe_data *probe_data)
 	efx->net_dev = net_dev;
 	SET_NETDEV_DEV(net_dev, &efx->pci_dev->dev);
 
-	net_dev->features |= efx->type->offload_features;
+	/* enable all supported features except rx-fcs and rx-all */
+	net_dev->features |= efx->type->offload_features &
+			     ~(NETIF_F_RXFCS | NETIF_F_RXALL);
 	net_dev->hw_features |= efx->type->offload_features;
 	net_dev->hw_enc_features |= efx->type->offload_features;
 	net_dev->vlan_features |= NETIF_F_HW_CSUM | NETIF_F_SG |
-- 
2.17.1