From ae0b04b238e283cafd906cdc3489cf5dc9a825cf Mon Sep 17 00:00:00 2001 From: Tariq Toukan Date: Sun, 13 Dec 2020 16:39:29 +0200 Subject: net: Disable NETIF_F_HW_TLS_TX when HW_CSUM is disabled With NETIF_F_HW_TLS_TX packets are encrypted in HW. This cannot be logically done when HW_CSUM offload is off. Fixes: 2342a8512a1e ("net: Add TLS TX offload features") Signed-off-by: Tariq Toukan Reviewed-by: Boris Pismenny Link: https://lore.kernel.org/r/20201213143929.26253-1-tariqt@nvidia.com Signed-off-by: Jakub Kicinski --- net/core/dev.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'net/core') diff --git a/net/core/dev.c b/net/core/dev.c index bde98cfd166f..0fd0d4eb678c 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -9643,6 +9643,11 @@ static netdev_features_t netdev_fix_features(struct net_device *dev, } } + if ((features & NETIF_F_HW_TLS_TX) && !(features & NETIF_F_HW_CSUM)) { + netdev_dbg(dev, "Dropping TLS TX HW offload feature since no CSUM feature.\n"); + features &= ~NETIF_F_HW_TLS_TX; + } + return features; } -- cgit v1.2.3