netdev - Re: [PATCH net] net: ti: icssg-prueth: Fix r30 CMDs bitmasks

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Message-ID: <895a550c-92be-0718-66cd-18e4c61d9a48@ti.com>
Date: Fri, 13 Oct 2023 17:37:08 +0530
From: Ravi Gunasekaran <r-gunasekaran@...com>
To: MD Danish Anwar <danishanwar@...com>,
        Grygorii Strashko
	<grygorii.strashko@...com>,
        Andrew Lunn <andrew@...n.ch>, Roger Quadros
	<rogerq@...nel.org>,
        Simon Horman <horms@...nel.org>, Paolo Abeni
	<pabeni@...hat.com>,
        Jakub Kicinski <kuba@...nel.org>, Eric Dumazet
	<edumazet@...gle.com>,
        "David S. Miller" <davem@...emloft.net>
CC: <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>, <srk@...com>,
        Vignesh Raghavendra <vigneshr@...com>
Subject: Re: [PATCH net] net: ti: icssg-prueth: Fix r30 CMDs bitmasks



On 10/13/2023 4:47 PM, MD Danish Anwar wrote:
> The bitmask for EMAC_PORT_DISABLE and EMAC_PORT_FORWARD has been changed
> in the latest ICSSG firmware.

Please mention the version/tag of the ICSSG firmware.

>
> The current bitmasks are wrong and as a result EMAC_PORT_DISABLE and
> EMAC_PORT_FORWARD commands do not work.
> Update r30 commands to use the same bitmask as used by the latest ICSSG
> firmware.
>
> Fixes: e9b4ece7d74b ("net: ti: icssg-prueth: Add Firmware config and classification APIs.")
> Signed-off-by: MD Danish Anwar <danishanwar@...com>
> ---
>  drivers/net/ethernet/ti/icssg/icssg_config.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/ethernet/ti/icssg/icssg_config.c b/drivers/net/ethernet/ti/icssg/icssg_config.c
> index 933b84666574..b272361e378f 100644
> --- a/drivers/net/ethernet/ti/icssg/icssg_config.c
> +++ b/drivers/net/ethernet/ti/icssg/icssg_config.c
> @@ -379,9 +379,9 @@ int icssg_config(struct prueth *prueth, struct prueth_emac *emac, int slice)
>  
>  /* Bitmask for ICSSG r30 commands */
>  static const struct icssg_r30_cmd emac_r32_bitmask[] = {
> -	{{0xffff0004, 0xffff0100, 0xffff0100, EMAC_NONE}},	/* EMAC_PORT_DISABLE */
> +	{{0xffff0004, 0xffff0100, 0xffff0004, EMAC_NONE}},	/* EMAC_PORT_DISABLE */
>  	{{0xfffb0040, 0xfeff0200, 0xfeff0200, EMAC_NONE}},	/* EMAC_PORT_BLOCK */
> -	{{0xffbb0000, 0xfcff0000, 0xdcff0000, EMAC_NONE}},	/* EMAC_PORT_FORWARD */
> +	{{0xffbb0000, 0xfcff0000, 0xdcfb0000, EMAC_NONE}},	/* EMAC_PORT_FORWARD */
>  	{{0xffbb0000, 0xfcff0000, 0xfcff2000, EMAC_NONE}},	/* EMAC_PORT_FORWARD_WO_LEARNING */
>  	{{0xffff0001, EMAC_NONE,  EMAC_NONE, EMAC_NONE}},	/* ACCEPT ALL */
>  	{{0xfffe0002, EMAC_NONE,  EMAC_NONE, EMAC_NONE}},	/* ACCEPT TAGGED */