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net: Disable NETIF_F_HW_TLS_RX when RXCSUM is disabled

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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: 14136564c8ee ("net: Add TLS RX offload feature")
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Boris Pismenny <borisp@nvidia.com>
Link: https://lore.kernel.org/r/20210117151538.9411-1-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tariq Toukan 2021-01-17 17:15:38 +02:00 committed by Greg Kroah-Hartman
parent 47ece1b19d
commit fffe7ab69d
1 changed files with 5 additions and 0 deletions

5
net/core/dev.c

@ -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;
}