On 10/30/2018 7:29 PM, Verma, Shally wrote: > >> -----Original Message----- >> From: Fiona Trahe <fiona.tr...@intel.com> >> Sent: 27 October 2018 05:44 >> To: dev@dpdk.org >> Cc: tho...@monjalon.net; akhil.go...@nxp.com; tomaszx.jozw...@intel.com; >> lee.d...@intel.com; saby...@hpe.com; Verma, Shally >> <shally.ve...@cavium.com>; Fiona Trahe <fiona.tr...@intel.com>; >> sta...@dpdk.org >> Subject: [PATCH] lib/compressdev: clarify usage of op structure >> >> External Email >> >> Add note on usage of op structure and when it can be >> accessed and freed. >> >> Fixes: 63f4bfd5328b ("compressdev: add enqueue/dequeue functions") >> Cc: sta...@dpdk.org >> >> Signed-off-by: Fiona Trahe <fiona.tr...@intel.com> >> --- >> lib/librte_compressdev/rte_compressdev.h | 7 +++++++ >> 1 file changed, 7 insertions(+) >> >> diff --git a/lib/librte_compressdev/rte_compressdev.h >> b/lib/librte_compressdev/rte_compressdev.h >> index 5b4fca4..7b68170 100644 >> --- a/lib/librte_compressdev/rte_compressdev.h >> +++ b/lib/librte_compressdev/rte_compressdev.h >> @@ -408,6 +408,13 @@ rte_compressdev_dequeue_burst(uint8_t dev_id, uint16_t >> qp_id, >> * @note All compression operations are Out-of-place (OOP) operations, >> * as the size of the output data is different to the size of the input >> data. >> * >> + * @note The rte_comp_op contains both input and output parameters and is >> the >> + * vehicle for the application to pass data into and out of the PMD. While >> an >> + * op is inflight, i.e. once it has been enqueued, the private_xform or >> stream >> + * attached to it and any mbufs or memory referenced by it should not be >> altered >> + * or freed by the application. The PMD may use or change some of this data >> at >> + * any time until it has been returned in a dequeue operation. >> + * >> * @note The flush flag only applies to operations which return SUCCESS. >> * In OUT_OF_SPACE cases whether STATEFUL or STATELESS, data in dest buffer >> * is as if flush flag was FLUSH_NONE. >> -- >> 2.7.4 > Acked-by: Shally Verma <shally.ve...@caviumnetworks.com> > > > stripped lib from the patch title. Applied to dpdk-next-crypto
Thanks.