netdev - Re: [PATCH net-next 2/4] net: ti: icssg-prueth: Add VLAN support in EMAC mode

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Message-ID: <06886be4-5f35-4785-bc63-a5c84887adfb@ti.com>
Date: Thu, 19 Dec 2024 14:49:55 +0530
From: MD Danish Anwar <danishanwar@...com>
To: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
CC: <aleksander.lobakin@...el.com>, <lukma@...x.de>, <m-malladi@...com>,
        <diogo.ivo@...mens.com>, <rdunlap@...radead.org>,
        <schnelle@...ux.ibm.com>, <vladimir.oltean@....com>,
        <horms@...nel.org>, <rogerq@...nel.org>, <pabeni@...hat.com>,
        <kuba@...nel.org>, <edumazet@...gle.com>, <davem@...emloft.net>,
        <andrew+netdev@...n.ch>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>, <srk@...com>,
        Vignesh Raghavendra <vigneshr@...com>
Subject: Re: [PATCH net-next 2/4] net: ti: icssg-prueth: Add VLAN support in
 EMAC mode



On 19/12/24 12:32 pm, Michal Swiatkowski wrote:
> On Mon, Dec 16, 2024 at 03:30:42PM +0530, MD Danish Anwar wrote:
>> Add support for vlan filtering in dual EMAC mode.
>>
>> Signed-off-by: MD Danish Anwar <danishanwar@...com>
>> ---
>>  drivers/net/ethernet/ti/icssg/icssg_prueth.c | 29 +++++++++-----------
>>  1 file changed, 13 insertions(+), 16 deletions(-)
>>
>> diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.c b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
>> index c568c84a032b..e031bccf31dc 100644
>> --- a/drivers/net/ethernet/ti/icssg/icssg_prueth.c
>> +++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
>> @@ -822,19 +822,18 @@ static int emac_ndo_vlan_rx_add_vid(struct net_device *ndev,
>>  {
>>  	struct prueth_emac *emac = netdev_priv(ndev);
>>  	struct prueth *prueth = emac->prueth;
>> +	int port_mask = BIT(emac->port_id);
>>  	int untag_mask = 0;
>> -	int port_mask;
>>  
>> -	if (prueth->is_hsr_offload_mode) {
>> -		port_mask = BIT(PRUETH_PORT_HOST) | BIT(emac->port_id);
>> -		untag_mask = 0;
>> +	if (prueth->is_hsr_offload_mode)
>> +		port_mask |= BIT(PRUETH_PORT_HOST);
>>  
>> -		netdev_dbg(emac->ndev, "VID add vid:%u port_mask:%X untag_mask %X\n",
>> -			   vid, port_mask, untag_mask);
>> +	netdev_err(emac->ndev, "VID add vid:%u port_mask:%X untag_mask %X\n",
>> +		   vid, port_mask, untag_mask);
>> +
>> +	icssg_vtbl_modify(emac, vid, port_mask, untag_mask, true);
>> +	icssg_set_pvid(emac->prueth, vid, emac->port_id);
>>  
>> -		icssg_vtbl_modify(emac, vid, port_mask, untag_mask, true);
>> -		icssg_set_pvid(emac->prueth, vid, emac->port_id);
>> -	}
>>  	return 0;
>>  }
>>  
>> @@ -843,18 +842,16 @@ static int emac_ndo_vlan_rx_del_vid(struct net_device *ndev,
>>  {
>>  	struct prueth_emac *emac = netdev_priv(ndev);
>>  	struct prueth *prueth = emac->prueth;
>> +	int port_mask = BIT(emac->port_id);
>>  	int untag_mask = 0;
>> -	int port_mask;
>>  
>> -	if (prueth->is_hsr_offload_mode) {
>> +	if (prueth->is_hsr_offload_mode)
>>  		port_mask = BIT(PRUETH_PORT_HOST);
>> -		untag_mask = 0;
>>  
>> -		netdev_dbg(emac->ndev, "VID del vid:%u port_mask:%X untag_mask  %X\n",
>> -			   vid, port_mask, untag_mask);
>> +	netdev_err(emac->ndev, "VID del vid:%u port_mask:%X untag_mask  %X\n",
>> +		   vid, port_mask, untag_mask);
> Why error? It doesn't look like error path, previously there was
> netdev_dbg (made more sense in my opinion)
> 

My bad. It should be netdev_dbg(). I'll change it in v2. Thanks

>> +	icssg_vtbl_modify(emac, vid, port_mask, untag_mask, false);
>>  
>> -		icssg_vtbl_modify(emac, vid, port_mask, untag_mask, false);
>> -	}
>>  	return 0;
>>  }
>>  
>> -- 
>> 2.34.1

-- 
Thanks and Regards,
Danish