432 	struct aq_ring_buff_s *dx_buff = &ring->buff_ring[dx];  in aq_nic_map_skb()  local
435 	dx_buff->flags = 0U;  in aq_nic_map_skb()
438 		dx_buff->mss = skb_shinfo(skb)->gso_size;  in aq_nic_map_skb()
439 		dx_buff->is_gso = 1U;  in aq_nic_map_skb()
440 		dx_buff->len_pkt = skb->len;  in aq_nic_map_skb()
441 		dx_buff->len_l2 = ETH_HLEN;  in aq_nic_map_skb()
442 		dx_buff->len_l3 = ip_hdrlen(skb);  in aq_nic_map_skb()
443 		dx_buff->len_l4 = tcp_hdrlen(skb);  in aq_nic_map_skb()
444 		dx_buff->eop_index = 0xffffU;  in aq_nic_map_skb()
445 		dx_buff->is_ipv6 =  in aq_nic_map_skb()
451 		dx_buff->vlan_tx_tag = skb_vlan_tag_get(skb);  in aq_nic_map_skb()
452 		dx_buff->len_pkt = skb->len;  in aq_nic_map_skb()
453 		dx_buff->is_vlan = 1U;  in aq_nic_map_skb()
459 		dx_buff = &ring->buff_ring[dx];  in aq_nic_map_skb()
460 		dx_buff->flags = 0U;  in aq_nic_map_skb()
464 	dx_buff->len = skb_headlen(skb);  in aq_nic_map_skb()
465 	dx_buff->pa = dma_map_single(aq_nic_get_dev(self),  in aq_nic_map_skb()
467 				     dx_buff->len,  in aq_nic_map_skb()
470 	if (unlikely(dma_mapping_error(aq_nic_get_dev(self), dx_buff->pa)))  in aq_nic_map_skb()
473 	first = dx_buff;  in aq_nic_map_skb()
474 	dx_buff->len_pkt = skb->len;  in aq_nic_map_skb()
475 	dx_buff->is_sop = 1U;  in aq_nic_map_skb()
476 	dx_buff->is_mapped = 1U;  in aq_nic_map_skb()
480 		dx_buff->is_ip_cso = (htons(ETH_P_IP) == skb->protocol) ?  in aq_nic_map_skb()
484 			dx_buff->is_tcp_cso =  in aq_nic_map_skb()
487 			dx_buff->is_udp_cso =  in aq_nic_map_skb()
491 			dx_buff->is_tcp_cso =  in aq_nic_map_skb()
494 			dx_buff->is_udp_cso =  in aq_nic_map_skb()
526 			dx_buff = &ring->buff_ring[dx];  in aq_nic_map_skb()
528 			dx_buff->flags = 0U;  in aq_nic_map_skb()
529 			dx_buff->len = buff_size;  in aq_nic_map_skb()
530 			dx_buff->pa = frag_pa;  in aq_nic_map_skb()
531 			dx_buff->is_mapped = 1U;  in aq_nic_map_skb()
532 			dx_buff->eop_index = 0xffffU;  in aq_nic_map_skb()
542 	dx_buff->is_eop = 1U;  in aq_nic_map_skb()
543 	dx_buff->skb = skb;  in aq_nic_map_skb()
550 		dx_buff = &ring->buff_ring[dx];  in aq_nic_map_skb()
552 		if (!dx_buff->is_gso && !dx_buff->is_vlan && dx_buff->pa) {  in aq_nic_map_skb()
553 			if (unlikely(dx_buff->is_sop)) {  in aq_nic_map_skb()
555 						 dx_buff->pa,  in aq_nic_map_skb()
556 						 dx_buff->len,  in aq_nic_map_skb()
560 					       dx_buff->pa,  in aq_nic_map_skb()
561 					       dx_buff->len,  in aq_nic_map_skb()