[dpdk-stable] [19.11 PATCH] net/i40e: support 25G AOC/ACC cables

[Christian Ehrhardt]

On Mon, Sep 6, 2021 at 10:20 AM Christian Ehrhardt
<christian.ehrhardt at canonical.com> wrote:
>
> On Mon, Sep 6, 2021 at 9:32 AM <christian.ehrhardt at canonical.com> wrote:
> >
> > From: Yury Kylulin <yury.kylulin at intel.com>
> >
> > [ upstream commit b1daa3461429e7674206a714c17adca65e9b44b4 ]

FYI - I got an ack by Tmonjalo on IRC and enqueued this for 19.11.11
(not 19.11.10 that has released today).

> FYI - this commit is in 21.05 but was initially not targettet at stable at dpdk.
> In some tests (the linked bug) it was found that it resolves issues with newer
> hardware and therefore I did the backport (no changes) and submitted it here
> for discussion.
>
> It might be too late for 20.11.3/19.11.10 which are supposed to
> release today, but we could queue them right away.
> I'm mostly interested in feedback from the Authors if they think this
> could be an issue (e.g. due to unidentified dependencies).
>
> > Enable additional PHY types (25G-AOC and 25G-ACC) for set PHY config
> > command.
> >
> > Ubuntu bug: https://bugs.launchpad.net/ubuntu/+source/dpdk/+bug/1940957
> > Cc: stable at dpdk.org
> >
> > Signed-off-by: Yury Kylulin <yury.kylulin at intel.com>
> > Tested-by: Ashish Paul <apaul at juniper.net>
> > Signed-off-by: Christian Ehrhardt <christian.ehrhardt at canonical.com>
> > ---
> >  drivers/net/i40e/i40e_ethdev.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
> > index 508f90595f..0c896ea915 100644
> > --- a/drivers/net/i40e/i40e_ethdev.c
> > +++ b/drivers/net/i40e/i40e_ethdev.c
> > @@ -2264,7 +2264,8 @@ i40e_phy_conf_link(struct i40e_hw *hw,
> >         phy_conf.phy_type = is_up ? cpu_to_le32(phy_type_mask) : 0;
> >         phy_conf.phy_type_ext = is_up ? (I40E_AQ_PHY_TYPE_EXT_25G_KR |
> >                 I40E_AQ_PHY_TYPE_EXT_25G_CR | I40E_AQ_PHY_TYPE_EXT_25G_SR |
> > -               I40E_AQ_PHY_TYPE_EXT_25G_LR) : 0;
> > +               I40E_AQ_PHY_TYPE_EXT_25G_LR | I40E_AQ_PHY_TYPE_EXT_25G_AOC |
> > +               I40E_AQ_PHY_TYPE_EXT_25G_ACC) : 0;
> >         phy_conf.fec_config = phy_ab.fec_cfg_curr_mod_ext_info;
> >         phy_conf.eee_capability = phy_ab.eee_capability;
> >         phy_conf.eeer = phy_ab.eeer_val;
> > --
> > 2.32.0
> >
>
>
> --
> Christian Ehrhardt
> Staff Engineer, Ubuntu Server
> Canonical Ltd



-- 
Christian Ehrhardt
Staff Engineer, Ubuntu Server
Canonical Ltd