14/04/2022 14:13, Wang, Haiyue: > From: Thomas Monjalon <tho...@monjalon.net> > > 14/04/2022 03:31, Wang, Haiyue: > > > From: je...@silicom-usa.com <je...@silicom-usa.com> > > > > From: Stephen Douthit <steph...@silicom-usa.com> > > > > > > > > 1G Cu SFPs are not officially supported on the X552/X553 family of > > > > devices > > > > but treat them as 1G SX modules since they usually work. Print a > > > > warning > > > > though since support isn't validated, similar to what already happens > > > > for > > > > other unofficially supported SFPs enabled via the allow_unsupported_sfps > > > > parameter inherited from the mainline Linux driver. > > > > > > > > Signed-off-by: Stephen Douthit <steph...@silicom-usa.com> > > > > Signed-off-by: Jeff Daly <je...@silicom-usa.com> > > > > --- > > > > drivers/net/ixgbe/base/ixgbe_x550.c | 14 +++++++++++++- > > > > 1 file changed, 13 insertions(+), 1 deletion(-) > > > > > > > > diff --git a/drivers/net/ixgbe/base/ixgbe_x550.c > > > > b/drivers/net/ixgbe/base/ixgbe_x550.c > > > > index 8810d1658e..8d1bc6c80d 100644 > > > > --- a/drivers/net/ixgbe/base/ixgbe_x550.c > > > > +++ b/drivers/net/ixgbe/base/ixgbe_x550.c > > > > @@ -1538,9 +1538,21 @@ STATIC s32 > > > > ixgbe_supported_sfp_modules_X550em(struct ixgbe_hw *hw, bool > > *linear) > > > > > > NACK. > > > > > > As for 1G Cu SFP treating it as 1G SX, some 1G-Base-T SFP modules require > > > the use > > > of RX_ILOS and some Intel Ethernet products don't support that. > > > > So what is the solution? > > > > > And the DPDK keeps the same design with kernel. > > > > It should not be a justification for limiting DPDK features. > > Um, this is upstream version driver to keep the same behavior. > > There are also some kind of custom release ...
I don't understand. Upstream DPDK (and Linux) must support a maximum of hardware and setup. Why rejecting adding such compatibility?