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net: Disable NETIF_F_HW_TLS_RX when RXCSUM is disabled
author
Tariq Toukan
<tariqt@nvidia.com>
Sun, 17 Jan 2021 15:15:38 +0000
(17:15 +0200)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Wed, 27 Jan 2021 10:55:25 +0000
(11:55 +0100)
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>
net/core/dev.c
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diff --git
a/net/core/dev.c
b/net/core/dev.c
index
38412e7
..
81e5d48
100644
(file)
--- a/
net/core/dev.c
+++ b/
net/core/dev.c
@@
-9602,6
+9602,11
@@
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;
}