> -----Original Message----- > From: Thomas Monjalon <tho...@monjalon.net> > Sent: Thursday, April 14, 2022 17:42 > To: Wang, Haiyue <haiyue.w...@intel.com> > Cc: Daly, Jeff <je...@silicom-usa.com>; dev@dpdk.org; Stephen Douthit > <steph...@silicom-usa.com> > Subject: Re: [PATCH] net/ixgbe: Treat 1G Cu SFPs as 1G SX on the X550 devices > > 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 ... >