CPSW_MIN_PACKET_SIZE
if (xdpf->len < CPSW_MIN_PACKET_SIZE)
if (skb_put_padto(skb, CPSW_MIN_PACKET_SIZE)) {
priv->tx_packet_min = CPSW_MIN_PACKET_SIZE;
WRITE_ONCE(priv->tx_packet_min, CPSW_MIN_PACKET_SIZE);
dma_params.min_packet_size = CPSW_MIN_PACKET_SIZE;