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[v2,0/4] add head/tailroom requirement for crypto PMDs

Message ID 1531233760-4929-1-git-send-email-anoob.joseph@caviumnetworks.com (mailing list archive)
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Anoob Joseph July 10, 2018, 2:42 p.m. UTC 
  This series adds the ability, for crypto PMDs, to communicate the
minimum head/tailroom requirement it may have, using the existing
cryptodev_info framework.

The availability and use of head/tailroom is an optimisation if the
hardware supports its use for crypto-op info. Devices that do not
support using the head/tailroom, can continue to operate without
any performance-drop.

Cavium's OcteonTX crypto hardware supports this feature and would use
headroom and tailroom for submitting crypto-ops to the hardware.

v2:
* Added corresponding change in scheduler PMD

v1:
* Removed deprecation notice and updated release notes
* Added corresponding change in test-cryptodev

Anoob Joseph (4):
  cryptodev: add min headroom and tailroom requirement
  app/crypto-perf: honour cryptodev's min headroom/tailroom
  test/crypto: skip validation of head/tailroom used by PMD
  crypto/scheduler: add minimum head/tailroom requirement

 app/test-crypto-perf/cperf_options.h         |  2 +
 app/test-crypto-perf/cperf_test_common.c     | 33 ++++++++++-----
 app/test-crypto-perf/main.c                  | 17 ++++++++
 doc/guides/rel_notes/release_18_08.rst       |  6 +++
 drivers/crypto/scheduler/scheduler_pmd_ops.c | 16 ++++++++
 lib/librte_cryptodev/rte_cryptodev.h         |  6 +++
 test/test/test_cryptodev_blockcipher.c       | 60 +++++++++++++++++++++++++---
 7 files changed, 123 insertions(+), 17 deletions(-)