linux-kernel - Re: [PATCH net-next v3 4/4] net: lan966x: Add ptp trap rules

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Date:   Thu, 05 Jan 2023 16:09:13 +0100
From:   Michael Walle <michael@...le.cc>
To:     Horatiu Vultur <horatiu.vultur@...rochip.com>
Cc:     Steen.Hegelund@...rochip.com, UNGLinuxDriver@...rochip.com,
        daniel.machon@...rochip.com, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, lars.povlsen@...rochip.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, olteanv@...il.com, pabeni@...hat.com,
        richardcochran@...il.com
Subject: Re: [PATCH net-next v3 4/4] net: lan966x: Add ptp trap rules

Hi,

>> Also, if the answer to my question above is yes, and ptp should
>> have worked on eth0 before, this is a regression then.
> 
> OK, I can see your point.
> With the following diff, you should see the same behaviour as before:
> ---
> diff --git
> a/drivers/net/ethernet/microchip/lan966x/lan966x_vcap_impl.c
> b/drivers/net/ethernet/microchip/lan966x/lan966x_vcap_impl.c
> index 904f5a3f636d3..538f4b76cf97a 100644
> --- a/drivers/net/ethernet/microchip/lan966x/lan966x_vcap_impl.c
> +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_vcap_impl.c
> @@ -91,8 +91,6 @@ lan966x_vcap_is2_get_port_keysets(struct net_device
> *dev, int lookup,
> 
>         /* Check if the port keyset selection is enabled */
>         val = lan_rd(lan966x, ANA_VCAP_S2_CFG(port->chip_port));
> -       if (!ANA_VCAP_S2_CFG_ENA_GET(val))
> -               return -ENOENT;
> 
>         /* Collect all keysets for the port in a list */
>         if (l3_proto == ETH_P_ALL)

Any news on this? Apart from the patches which would change the
need to use some tc magic, this should be a separate fixes patch,
right?

-michael