On Wed, Nov 29, 2017 at 01:29:07PM +0200, Shahaf Shuler wrote: > Update the guide with more details on the different statistics query > possible with MLX5 PMD. > > Signed-off-by: Shahaf Shuler <shah...@mellanox.com> > --- > doc/guides/nics/mlx5.rst | 13 +++++++++++-- > 1 file changed, 11 insertions(+), 2 deletions(-) > > diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst > index f9558da89..154db64d7 100644 > --- a/doc/guides/nics/mlx5.rst > +++ b/doc/guides/nics/mlx5.rst > @@ -105,8 +105,6 @@ Limitations > ----------- > > - Inner RSS for VXLAN frames is not supported yet. > -- Port statistics through software counters only. Flow statistics are > - supported by hardware counters. > - Hardware checksum RX offloads for VXLAN inner header are not supported yet. > - Forked secondary process not supported. > - Flow pattern without any specific vlan will match for vlan packets as well: > @@ -134,6 +132,17 @@ Limitations > to 0 are not supported. > - VXLAN TSO and checksum offloads are not supported on VM. > > +Statistics > +---------- > + > +MLX5 supports various of methods to report statistics: > + > +Port statistics can be queried using ``rte_eth_stats_get()``. The port > statistics are through SW only and counts the number of packets received or > sent successfully by the PMD. > + > +Extended statistics can be queried using ``rte_eth_xstats_get()``. The > extended statistics expose a wider set of counters counted by the device. The > extended port statistics counts the number of packets received or sent > successfully by the port. As Mellanox NICs are using the :ref:`Bifurcated > Linux Driver <linux_gsg_linux_drivers>` those counters counts also packet > received or sent by the Linux kernel. The counters with ``_phy`` suffix > counts the total events on the physical port, therefore not valid for VF. > + > +Finally per-flow statistics can by queried using ``rte_flow_query`` when > attaching a count action for specific flow. The flow counter counts the > number of packets received successfully by the port and match the specific > flow. > + > Configuration > ------------- > > -- > 2.12.0 For the series,
Acked-by: Nelio Laranjeiro <nelio.laranje...@6wind.com> Thanks, -- Nélio Laranjeiro 6WIND
