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| author | Tariq Toukan <tariqt@nvidia.com> | 2021-01-17 17:15:38 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-27 11:47:54 +0100 |
| commit | ff64094dc71823938acb595cab27a4b07d6a6cd1 (patch) | |
| tree | c3fc3793d9f1beeec83021c09f40bff86072c145 | |
| parent | 3e5b335a55e95b9203cfb0f58ce36fdfa449f818 (diff) | |
| download | linux-stable-ff64094dc71823938acb595cab27a4b07d6a6cd1.tar.gz linux-stable-ff64094dc71823938acb595cab27a4b07d6a6cd1.tar.bz2 linux-stable-ff64094dc71823938acb595cab27a4b07d6a6cd1.zip | |
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: 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>
| -rw-r--r-- | net/core/dev.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 20c7fd7b8b4b..ec66d13d2bda 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -8692,6 +8692,11 @@ 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; } |