The way the algif_skcipher works currently is that on sendmsg/sendpage it
builds an sgl for the input data and then on read/recvmsg it sends the job
for encryption putting the user to sleep till the data is processed.
This way it can only handle one job at a given time.
To be able to fuly utilize the potential of existing crypto hardware
accelerators it is required to submit multiple jobs in asynchronously.
This series adds support for asynchronous operations for algif_skcipher.
First patch enables af_alg sgl to be linked.
Second patch implement asynch read for skcipher.
Resend with updates for 4.0
Signed-off-by: Tadeusz Struk <tadeusz.struk@xxxxxxxxx>
---
Tadeusz Struk (2):
crypto: af_alg - Allow to link sgl
crypto: algif - change algif_skcipher to be asynchronous
crypto/af_alg.c | 18 ++-
crypto/algif_skcipher.c | 308 ++++++++++++++++++++++++++++++++++++++++++++++-
include/crypto/if_alg.h | 4 -
3 files changed, 317 insertions(+), 13 deletions(-)
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