Re: [PATCH net-next v4 09/12] net: ethernet: oa_tc6: implement receive path to receive rx ethernet frames

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Hi Andrew,

On 24/04/24 5:38 am, Andrew Lunn wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
>> +static int oa_tc6_allocate_rx_skb(struct oa_tc6 *tc6)
>> +{
>> +     tc6->rx_skb = netdev_alloc_skb(tc6->netdev, tc6->netdev->mtu + ETH_HLEN +
>> +                                    ETH_FCS_LEN + NET_IP_ALIGN);
>> +     if (!tc6->rx_skb) {
>> +             tc6->netdev->stats.rx_dropped++;
>> +             return -ENOMEM;
>> +     }
>> +     skb_reserve(tc6->rx_skb, NET_IP_ALIGN);
> 
> I think you can use netdev_alloc_skb_ip_align() here.
Ah OK, then do you mean we can rewrite the function 
oa_tc6_allocate_rx_skb() as below?

static int oa_tc6_allocate_rx_skb(struct oa_tc6 *tc6)
{
	tc6->rx_skb = netdev_alloc_skb_ip_align(tc6->netdev, tc6->netdev->mtu + 
ETH_HLEN + ETH_FCS_LEN);
	if (tc6->rx_skb)
		return 0;

	tc6->netdev->stats.rx_dropped++;
	return -ENOMEM;
}

Best regards,
Parthiban V
> 





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