On 10/16/21 8:04 AM, DENG Qingfang wrote:
> On Fri, Oct 15, 2021 at 07:10:26PM +0200, Alvin Šipraga wrote:
>> +static struct sk_buff *rtl8_4_tag_xmit(struct sk_buff *skb,
>> + struct net_device *dev)
>> +{
>> + struct dsa_port *dp = dsa_slave_to_port(dev);
>> + __be16 *tag;
>> +
>> + /* Pad out so the (stripped) packet is at least 64 bytes long
>> + * (including FCS), otherwise the switch will drop the packet.
>> + * Then we need an additional 8 bytes for the Realtek tag.
>> + */
>> + if (unlikely(__skb_put_padto(skb, ETH_ZLEN + RTL8_4_TAG_LEN, false)))
>> + return NULL;
>
> Is this still required if you set rtl8365mb_cpu_rxlen to 64 bytes already?
Apparently not - nice catch. I've removed it for what will be v4. :)
>
>> +
>> + skb_push(skb, RTL8_4_TAG_LEN);
>> +
