tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
esp: check the NETIF_F_HW_ESP_TX_CSUM bit before segmenting
If I understand correctly, we should not be asking for a
checksum offload on an ipsec packet if the netdev isn't
advertising NETIF_F_HW_ESP_TX_CSUM. In that case, we should
clear the NETIF_F_CSUM_MASK bits.
Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
authored by
Shannon Nelson
and committed by
Steffen Klassert
5211fcfb
f8c3d0dd
+4
+2
net/ipv4/esp4_offload.c
+2
net/ipv4/esp4_offload.c
···
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if (!(features & NETIF_F_HW_ESP) || !x->xso.offload_handle ||
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(x->xso.dev != skb->dev))
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esp_features = features & ~(NETIF_F_SG | NETIF_F_CSUM_MASK);
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+
else if (!(features & NETIF_F_HW_ESP_TX_CSUM))
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esp_features = features & ~NETIF_F_CSUM_MASK;
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xo->flags |= XFRM_GSO_SEGMENT;
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+2
net/ipv6/esp6_offload.c
+2
net/ipv6/esp6_offload.c
···
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if (!(features & NETIF_F_HW_ESP) || !x->xso.offload_handle ||
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(x->xso.dev != skb->dev))
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esp_features = features & ~(NETIF_F_SG | NETIF_F_CSUM_MASK);
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+
else if (!(features & NETIF_F_HW_ESP_TX_CSUM))
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+
esp_features = features & ~NETIF_F_CSUM_MASK;
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xo->flags |= XFRM_GSO_SEGMENT;
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