linux-kernel - Re: [PATCH net-next v2] net: lan966x: Use automatic selection of VCAP rule actionset

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Message-ID: <20230217080859.fdsxr7ytfzw4vhdp@soft-dev3-1>
Date:   Fri, 17 Feb 2023 09:08:59 +0100
From:   Horatiu Vultur <horatiu.vultur@...rochip.com>
To:     Larysa Zaremba <larysa.zaremba@...el.com>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
        <pabeni@...hat.com>, <UNGLinuxDriver@...rochip.com>
Subject: Re: [PATCH net-next v2] net: lan966x: Use automatic selection of
 VCAP rule actionset

The 02/16/2023 14:54, Larysa Zaremba wrote:

Hi Larysa,

> 
> On Thu, Feb 16, 2023 at 01:29:07PM +0100, Horatiu Vultur wrote:
> > Since commit 81e164c4aec5 ("net: microchip: sparx5: Add automatic
> > selection of VCAP rule actionset") the VCAP API has the capability to
> > select automatically the actionset based on the actions that are attached
> > to the rule. So it is not needed anymore to hardcore the actionset in the
> 
> I am sure, you've meant 'hardcode'

Yes, I will change this in the next version.

> 
> > driver, therefore it is OK to remove this.
> >
> > Signed-off-by: Horatiu Vultur <horatiu.vultur@...rochip.com>
> > ---
> > v1->v2:
> > - improve the commit message by mentioning the commit which allows
> >   to make this change
> > ---
> >  drivers/net/ethernet/microchip/lan966x/lan966x_tc_flower.c | 2 --
> >  1 file changed, 2 deletions(-)
> >
> > diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_tc_flower.c b/drivers/net/ethernet/microchip/lan966x/lan966x_tc_flower.c
> > index bd10a71897418..f960727ecaeec 100644
> > --- a/drivers/net/ethernet/microchip/lan966x/lan966x_tc_flower.c
> > +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_tc_flower.c
> > @@ -261,8 +261,6 @@ static int lan966x_tc_flower_add(struct lan966x_port *port,
> >                                                       0);
> >                       err |= vcap_rule_add_action_u32(vrule, VCAP_AF_MASK_MODE,
> >                                                       LAN966X_PMM_REPLACE);
> > -                     err |= vcap_set_rule_set_actionset(vrule,
> > -                                                        VCAP_AFS_BASE_TYPE);
> 
> Is this the only location, where this can be done? I'm not very familiar with
> this driver, would it maybe make sense to check out lan966x_ptp_add_trap() too?

Good catch! Also in lan966x_ptp_add_trap, the function
vcap_set_rule_set_actionset can be removed.

> 
> >                       if (err)
> >                               goto out;
> >
> > --
> > 2.38.0
> >

-- 
/Horatiu