Re: [PATCH net-next v2 4/6] net: microchip: sparx5: add support for apptrust

From: Daniel.Machon
Date: Mon Oct 03 2022 - 04:42:22 EST


> >> > Make use of set/getapptrust() to implement per-selector trust and trust
> >> > order.
> >> >
> >> > Signed-off-by: Daniel Machon <daniel.machon@xxxxxxxxxxxxx>
> >> > ---
> >> > .../ethernet/microchip/sparx5/sparx5_dcb.c | 116 ++++++++++++++++++
> >> > .../ethernet/microchip/sparx5/sparx5_main.h | 3 +
> >> > .../ethernet/microchip/sparx5/sparx5_port.c | 4 +-
> >> > .../ethernet/microchip/sparx5/sparx5_port.h | 2 +
> >> > .../ethernet/microchip/sparx5/sparx5_qos.c | 4 +
> >> > 5 files changed, 127 insertions(+), 2 deletions(-)
> >> >
> >> > diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_dcb.c b/drivers/net/ethernet/microchip/sparx5/sparx5_dcb.c
> >> > index db17c124dac8..10aeb422b1ae 100644
> >> > --- a/drivers/net/ethernet/microchip/sparx5/sparx5_dcb.c
> >> > +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_dcb.c
> >> > @@ -8,6 +8,22 @@
> >> >
> >> > #include "sparx5_port.h"
> >> >
> >> > +static const struct sparx5_dcb_apptrust {
> >> > + u8 selectors[256];
> >> > + int nselectors;
> >> > + char *names;
> >>
> >> I think this should be just "name".
> >
> > I dont think so. This is a str representation of all the selector values.
> > "names" makes more sense to me.
>
> But it just points to one name, doesn't it? The name of this apptrust
> policy...

It points to a str of space-separated selector names.
I inteded it to be a str repr. of the selector values, and not a str
identifier of the apptrust policy. Maybe sel(ector)_names?

>
> BTW, I think it should also be a const char *.

Ack.

>
> >> > +} *apptrust[SPX5_PORTS];
> >> > +
> >> > +/* Sparx5 supported apptrust configurations */
> >> > +static const struct sparx5_dcb_apptrust apptrust_conf[4] = {
> >> > + /* Empty *must* be first */
> >> > + { { 0 }, 0, "empty" },
> >> > + { { IEEE_8021QAZ_APP_SEL_DSCP }, 1, "dscp" },
> >> > + { { DCB_APP_SEL_PCP }, 1, "pcp" },
> >> > + { { IEEE_8021QAZ_APP_SEL_DSCP,
> >> > + DCB_APP_SEL_PCP }, 2, "dscp pcp" },
> >> > +};
> >> > +