On Mon, Feb 22, 2016 at 11:59:43AM +0800, Helin Zhang wrote: > PCIe feature of 'Extended Tag' is important for 40G performance. > It adds its enabling during each port initialization, to ensure > the high performance. > > Signed-off-by: Helin Zhang <helin.zhang at intel.com> > --- > doc/guides/rel_notes/release_16_04.rst | 6 ++++ > drivers/net/i40e/i40e_ethdev.c | 65 > ++++++++++++++++++++++++++++++++-- > 2 files changed, 68 insertions(+), 3 deletions(-) > > v2: > - Changed the type of return value of i40e_enable_extended_tag() to 'void'. > > diff --git a/doc/guides/rel_notes/release_16_04.rst > b/doc/guides/rel_notes/release_16_04.rst > index 5786f74..bed5779 100644 > --- a/doc/guides/rel_notes/release_16_04.rst > +++ b/doc/guides/rel_notes/release_16_04.rst > @@ -46,6 +46,12 @@ This section should contain new features added in this > release. Sample format: > > * **Added vhost-user live migration support.** > > +* **i40e: Enabled extended tag.** > + > + It enabled extended tag by checking and writing corresponding PCI config > + space bytes, to boost the performance. In the meanwhile, it deprecated the > + legacy way via reading/writing sysfile supported by kernel module of > igb_uio. > +
Hi Helin, does this really need to go into the release notes? Is it a user-visible change that affects the user experience in any way? /Bruce
