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linux-next/Documentation/networking/tls-offload-layers.svg
Jakub Kicinski f42c104f2e Documentation: add TLS offload documentation
Describe existing kernel TLS offload (added back in Linux 4.19) -
the mechanism, the expected behavior and the notable corner cases.

This documentation is mostly targeting hardware vendors who want
to implement offload, to ensure consistency between implementations.

v2:
 - add emphasis around TLS_SW/TLS_HW/TLS_HW_RECORD;
 - remove mentions of ongoing work (Boris);
 - split the flow of data in SW vs. HW cases in TX overview
   (Boris);
 - call out which fields are updated by the device and which
   are filled by the stack (Boris);
 - move error handling into it's own section (Boris);
 - add more words about fallback (Boris);
 - note that checksum validation is required (Alexei);
 - note that drivers shouldn't pay attention to the TLS
   device features.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Dave Watson <davejwatson@fb.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-22 12:18:20 -07:00

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