On Sun, 15 Nov 2020 15:42:49 +0200 Tariq Toukan wrote:
> This series opens TLS TX HW offload for bond interfaces.
> This allows bond interfaces to benefit from capable slave devices.
> 
> The first patch adds real_dev field in TLS context structure, and aligns
> usages in TLS module and supporting drivers.
> The second patch opens the offload for bond interfaces.
> 
> For the configuration above, SW kTLS keeps picking the same slave
> To keep simple track of the HW and SW TLS contexts, we bind each socket to
> a specific slave for the socket's whole lifetime. This is logically valid
> (and similar to the SW kTLS behavior) in the following bond configuration, 
> so we restrict the offload support to it:
> 
> ((mode == balance-xor) or (mode == 802.3ad))
> and xmit_hash_policy == layer3+4.

This does not feel extremely clean, maybe you can convince me otherwise.

Can we extend netdev_get_xmit_slave() and figure out the output dev
(and if it's "stable") in a more generic way? And just feed that dev
into TLS handling? All non-crypto upper SW devs should be safe to cross
with .decrypted = 1 skbs, right?

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