On 4/29/2020 3:03 AM, Wei Zhao wrote: > Add input set requirement info to i40e doc. > > Bugzilla ID: 403
Should this document update backported to the LTS? If so which LTS versions are in the scope, it is better if you can add a fixes tag to help us to figure out that. > Signed-off-by: Wei Zhao <wei.zh...@intel.com> > --- > doc/guides/nics/i40e.rst | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/doc/guides/nics/i40e.rst b/doc/guides/nics/i40e.rst > index 416b3904e..f085a357c 100644 > --- a/doc/guides/nics/i40e.rst > +++ b/doc/guides/nics/i40e.rst > @@ -747,6 +747,13 @@ Use 16 Bytes RX Descriptor Size > As i40e PMD supports both 16 and 32 bytes RX descriptor sizes, and 16 bytes > size can provide helps to high performance of small packets. > Configuration of ``CONFIG_RTE_LIBRTE_I40E_16BYTE_RX_DESC`` in config files > can be changed to use 16 bytes size RX descriptors. > > +input set requirement of each pctype for FDIR > +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > + > +Each PCTYPE can only have one specific FDIR input set at one time. For > example, if creating 2 rte_flow rules with different input set > +for one PCTYPE, it is will fail and return the info "Conflict with the first > rule's input set", which means the current rule's input > +set is conflict with the first rule's. Remove the first rule if want to > change the input set of the PCTYPE. > + > Example of getting best performance with l3fwd example > ------------------------------------------------------ > >
