Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit fffe7ab6 authored by Tariq Toukan's avatar Tariq Toukan Committed by Greg Kroah-Hartman
Browse files

net: Disable NETIF_F_HW_TLS_RX when RXCSUM is disabled 



commit a3eb4e9d4c9218476d05c52dfd2be3d6fdce6b91 upstream.

With NETIF_F_HW_TLS_RX packets are decrypted in HW. This cannot be
logically done when RXCSUM offload is off.

Fixes: 14136564 ("net: Add TLS RX offload feature")
Signed-off-by: default avatarTariq Toukan <tariqt@nvidia.com>
Reviewed-by: default avatarBoris Pismenny <borisp@nvidia.com>
Link: https://lore.kernel.org/r/20210117151538.9411-1-tariqt@nvidia.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 47ece1b1

net/core/dev.c

+5 −0
Original line number Diff line number Diff line
@@ -8351,6 +8351,11 @@ static netdev_features_t netdev_fix_features(struct net_device *dev, 
		}

	}



	if ((features & NETIF_F_HW_TLS_RX) && !(features & NETIF_F_RXCSUM)) {

		netdev_dbg(dev, "Dropping TLS RX HW offload feature since no RXCSUM feature.\n");

		features &= ~NETIF_F_HW_TLS_RX;

	}



	return features;

}