On Mon, Feb 12, 2018 at 07:41:03AM +0000, Shahaf Shuler wrote: > Hi Marcelo, > > Sunday, February 11, 2018 9:31 PM, Marcelo Ricardo: > > On Thu, Feb 08, 2018 at 06:55:54AM +0000, Ophir Munk wrote: > > > From: Moti Haimovsky <mo...@mellanox.com> > > > > > > This patch updates mlx4 documentation with flow configuration > > > limitations imposed by NIC hardware and PMD implementation > > > > > > Signed-off-by: Ophir Munk <ophi...@mellanox.com> > > > --- > > > doc/guides/nics/mlx4.rst | 77 > > > ++++++++++++++++++++++++++++++++++++++++++++++++ > > > 1 file changed, 77 insertions(+) > > > > > > diff --git a/doc/guides/nics/mlx4.rst b/doc/guides/nics/mlx4.rst index > > > 98b9716..b81a875 100644 > > > --- a/doc/guides/nics/mlx4.rst > > > +++ b/doc/guides/nics/mlx4.rst > > > @@ -515,3 +515,80 @@ devices managed by librte_pmd_mlx4. > > > Port 3 Link Up - speed 40000 Mbps - full-duplex > > > Done > > > testpmd> > > > + > > > +Limitations > > > +----------- > > > + > > > +Flow rules > > > +~~~~~~~~~~ > > > + > > > +L2 (eth) > > > +^^^^^^^^ > > > + > > > +- Can only use real destination MAC > > > +- Source MAC is not taken into consideration > > > + > > > + For example using testpmd command - src mask must be > > > + 00:00:00:00:00:00 otherwise the following command will fail > > > + > > > +.. code-block:: console > > > + > > > + testpmd> flow create 1 ingress pattern eth > > > + src spec 00:16:3e:2b:e6:47 src mask FF:FF:FF:FF:FF:FF > > > + / end actions drop / end > > > + > > > +- Supports only full MASK > > > + > > > + For example the following testpmd command will fail > > > + > > > +.. code-block:: console > > > + > > > + testpmd> flow create 1 ingress pattern eth > > > + src spec 00:16:3e:2b:e6:47 > > > + dst spec 4A:11:6C:FA:60:D0 dst mask FF:00:FF:FF:FF:00 > > > + / end actions drop / end > > > + > > > + > > > +- When configured to run in promiscuous or all-multicast modes does > > > + not support additional rules > > > +- Does not support the explicit exclusion of all multicast traffic > > > +- Does not support partial VLAN TCI VID matching > > > + > > > +L3 (ipv4) > > > +^^^^^^^^^ > > > + > > > +- Supports only 0 or full mask. Prerequisites: Need to have eth dst > > > +spec > > > > Plans on updating mlx5 guide with this info too? > > AFAIK ConnectX-4 and 5 also have this limitation and it can save some hours > > of debugging. > > Which of the above limitations you encountered?
The need to have eth dst specified. > > > > > Marcelo >
