375 	struct aq_ring_buff_s *dx_buff = &ring->buff_ring[dx];  in aq_nic_map_skb()  local
378 		dx_buff->flags = 0U;  in aq_nic_map_skb()
379 		dx_buff->len_pkt = skb->len;  in aq_nic_map_skb()
380 		dx_buff->len_l2 = ETH_HLEN;  in aq_nic_map_skb()
381 		dx_buff->len_l3 = ip_hdrlen(skb);  in aq_nic_map_skb()
382 		dx_buff->len_l4 = tcp_hdrlen(skb);  in aq_nic_map_skb()
383 		dx_buff->mss = skb_shinfo(skb)->gso_size;  in aq_nic_map_skb()
384 		dx_buff->is_txc = 1U;  in aq_nic_map_skb()
385 		dx_buff->eop_index = 0xffffU;  in aq_nic_map_skb()
387 		dx_buff->is_ipv6 =  in aq_nic_map_skb()
391 		dx_buff = &ring->buff_ring[dx];  in aq_nic_map_skb()
395 	dx_buff->flags = 0U;  in aq_nic_map_skb()
396 	dx_buff->len = skb_headlen(skb);  in aq_nic_map_skb()
397 	dx_buff->pa = dma_map_single(aq_nic_get_dev(self),  in aq_nic_map_skb()
399 				     dx_buff->len,  in aq_nic_map_skb()
402 	if (unlikely(dma_mapping_error(aq_nic_get_dev(self), dx_buff->pa)))  in aq_nic_map_skb()
405 	first = dx_buff;  in aq_nic_map_skb()
406 	dx_buff->len_pkt = skb->len;  in aq_nic_map_skb()
407 	dx_buff->is_sop = 1U;  in aq_nic_map_skb()
408 	dx_buff->is_mapped = 1U;  in aq_nic_map_skb()
412 		dx_buff->is_ip_cso = (htons(ETH_P_IP) == skb->protocol) ?  in aq_nic_map_skb()
416 			dx_buff->is_tcp_cso =  in aq_nic_map_skb()
419 			dx_buff->is_udp_cso =  in aq_nic_map_skb()
423 			dx_buff->is_tcp_cso =  in aq_nic_map_skb()
426 			dx_buff->is_udp_cso =  in aq_nic_map_skb()
458 			dx_buff = &ring->buff_ring[dx];  in aq_nic_map_skb()
460 			dx_buff->flags = 0U;  in aq_nic_map_skb()
461 			dx_buff->len = buff_size;  in aq_nic_map_skb()
462 			dx_buff->pa = frag_pa;  in aq_nic_map_skb()
463 			dx_buff->is_mapped = 1U;  in aq_nic_map_skb()
464 			dx_buff->eop_index = 0xffffU;  in aq_nic_map_skb()
474 	dx_buff->is_eop = 1U;  in aq_nic_map_skb()
475 	dx_buff->skb = skb;  in aq_nic_map_skb()
482 		dx_buff = &ring->buff_ring[dx];  in aq_nic_map_skb()
484 		if (!dx_buff->is_txc && dx_buff->pa) {  in aq_nic_map_skb()
485 			if (unlikely(dx_buff->is_sop)) {  in aq_nic_map_skb()
487 						 dx_buff->pa,  in aq_nic_map_skb()
488 						 dx_buff->len,  in aq_nic_map_skb()
492 					       dx_buff->pa,  in aq_nic_map_skb()
493 					       dx_buff->len,  in aq_nic_map_skb()