esp6: Support RX checksum with crypto offload

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Keep the device's reported ip_summed indication in case crypto
was offloaded by the device. Subtract the csum values of the
stripped parts (esp header+iv, esp trailer+auth_data) to keep
value correct.

Note: CHECKSUM_COMPLETE should be indicated only if skb->csum
has the post-decryption offload csum value.

Signed-off-by: Ariel Levkovich <lariel@mellanox.com>
Signed-off-by: Ilan Tayari <ilant@mellanox.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

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Ilan Tayari 2017-08-01 12:49:05 +03:00 • committed by Steffen Klassert

parent ec9567a9e0

commit e51a647270

2 changed files with 14 additions and 4 deletions

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14

net/ipv6/esp6.c

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4

net/ipv6/esp6_offload.c

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