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Date: Thu, 20 Apr 2017 17:06:17 +0800 From: Herbert Xu <herbert@...dor.apana.org.au> To: Steffen Klassert <steffen.klassert@...unet.com> Cc: David Miller <davem@...emloft.net>, netdev@...r.kernel.org Subject: Re: [PATCH 11/16] esp: Use a synchronous crypto algorithm on offloading. On Thu, Apr 20, 2017 at 10:55:10AM +0200, Steffen Klassert wrote: > We need a fallback algorithm for crypto offloading to a NIC. > This is because packets can be rerouted to other NICs that > don't support crypto offloading. The fallback is going to be > implemented at layer2 where we know the final output device > but can't handle asynchronous returns fron the crypto layer. Can you explain why we can't handle async algorithms on the fallback path? Thanks, -- Email: Herbert Xu <herbert@...dor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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