Hi, > -----Original Message----- > From: Kevin Traynor <ktray...@redhat.com> > Sent: Wednesday, September 22, 2021 1:28 AM > To: Ding, Xuan <xuan.d...@intel.com>; dev@dpdk.org; > maxime.coque...@redhat.com; Xia, Chenbo <chenbo....@intel.com> > Cc: Hu, Jiayu <jiayu...@intel.com>; Jiang, Cheng1 <cheng1.ji...@intel.com>; > Richardson, Bruce <bruce.richard...@intel.com>; Pai G, Sunil > <sunil.pa...@intel.com>; Yang, YvonneX <yvonnex.y...@intel.com> > Subject: Re: [dpdk-dev] [PATCH v3] vhost: add unsafe API to check inflight > packets > > On 16/09/2021 03:58, Xuan Ding wrote: > > In async data path, when vring state changes, it is necessary to > > know the number of inflight packets in DMA engine. This patch > > provides a thread unsafe API to return the number of inflight > > packets without using any lock. > > > > Signed-off-by: Xuan Ding <xuan.d...@intel.com> > > --- > > v3: > > * Fixed one typo. > > * Revised the doc to be more accuracy. > > > > v2: > > * Fixed some format issues. > > --- > > doc/guides/prog_guide/vhost_lib.rst | 5 +++++ > > doc/guides/rel_notes/release_21_11.rst | 5 +++++ > > lib/vhost/rte_vhost_async.h | 14 ++++++++++++++ > > lib/vhost/version.map | 3 +++ > > lib/vhost/vhost.c | 26 ++++++++++++++++++++++++++ > > 5 files changed, 53 insertions(+) > > > > <snip> > > Should there be a change to the vring_state_changed() in vhost example > app to go along with this patch? It would help to understand the > operation if this API was used.
Thanks Kevin, will add it in vhost example in next version. Regards, Xuan
