WX_CB
WX_CB(skb)->dma,
WX_CB(skb)->dma = rx_buffer->dma;
WX_CB(skb)->append_cnt += rsc_cnt - 1;
WX_CB(skb)->append_cnt);
if (!WX_CB(skb)->append_cnt)
rx_ring->rx_stats.rsc_count += WX_CB(skb)->append_cnt;
WX_CB(skb)->append_cnt = 0;