574 	struct aq_ring_buff_s *dx_buff;  in aq_nic_map_skb()  local
587 	dx_buff = &ring->buff_ring[dx];  in aq_nic_map_skb()
588 	dx_buff->flags = 0U;  in aq_nic_map_skb()
591 		dx_buff->mss = skb_shinfo(skb)->gso_size;  in aq_nic_map_skb()
593 			dx_buff->is_gso_tcp = 1U;  in aq_nic_map_skb()
594 			dx_buff->len_l4 = tcp_hdrlen(skb);  in aq_nic_map_skb()
596 			dx_buff->is_gso_udp = 1U;  in aq_nic_map_skb()
597 			dx_buff->len_l4 = sizeof(struct udphdr);  in aq_nic_map_skb()
599 			udp_hdr(skb)->len = htons(dx_buff->mss +  in aq_nic_map_skb()
600 						  dx_buff->len_l4);  in aq_nic_map_skb()
605 		dx_buff->len_pkt = skb->len;  in aq_nic_map_skb()
606 		dx_buff->len_l2 = ETH_HLEN;  in aq_nic_map_skb()
607 		dx_buff->len_l3 = skb_network_header_len(skb);  in aq_nic_map_skb()
608 		dx_buff->eop_index = 0xffffU;  in aq_nic_map_skb()
609 		dx_buff->is_ipv6 = (ipver == 6);  in aq_nic_map_skb()
614 		dx_buff->vlan_tx_tag = skb_vlan_tag_get(skb);  in aq_nic_map_skb()
615 		dx_buff->len_pkt = skb->len;  in aq_nic_map_skb()
616 		dx_buff->is_vlan = 1U;  in aq_nic_map_skb()
622 		dx_buff = &ring->buff_ring[dx];  in aq_nic_map_skb()
623 		dx_buff->flags = 0U;  in aq_nic_map_skb()
627 	dx_buff->len = skb_headlen(skb);  in aq_nic_map_skb()
628 	dx_buff->pa = dma_map_single(dev,  in aq_nic_map_skb()
630 				     dx_buff->len,  in aq_nic_map_skb()
633 	if (unlikely(dma_mapping_error(dev, dx_buff->pa))) {  in aq_nic_map_skb()
638 	first = dx_buff;  in aq_nic_map_skb()
639 	dx_buff->len_pkt = skb->len;  in aq_nic_map_skb()
640 	dx_buff->is_sop = 1U;  in aq_nic_map_skb()
641 	dx_buff->is_mapped = 1U;  in aq_nic_map_skb()
645 		dx_buff->is_ip_cso = (htons(ETH_P_IP) == skb->protocol);  in aq_nic_map_skb()
646 		dx_buff->is_tcp_cso = (l4proto == IPPROTO_TCP);  in aq_nic_map_skb()
647 		dx_buff->is_udp_cso = (l4proto == IPPROTO_UDP);  in aq_nic_map_skb()
676 			dx_buff = &ring->buff_ring[dx];  in aq_nic_map_skb()
678 			dx_buff->flags = 0U;  in aq_nic_map_skb()
679 			dx_buff->len = buff_size;  in aq_nic_map_skb()
680 			dx_buff->pa = frag_pa;  in aq_nic_map_skb()
681 			dx_buff->is_mapped = 1U;  in aq_nic_map_skb()
682 			dx_buff->eop_index = 0xffffU;  in aq_nic_map_skb()
692 	dx_buff->is_eop = 1U;  in aq_nic_map_skb()
693 	dx_buff->skb = skb;  in aq_nic_map_skb()
700 		dx_buff = &ring->buff_ring[dx];  in aq_nic_map_skb()
702 		if (!(dx_buff->is_gso_tcp || dx_buff->is_gso_udp) &&  in aq_nic_map_skb()
703 		    !dx_buff->is_vlan && dx_buff->pa) {  in aq_nic_map_skb()
704 			if (unlikely(dx_buff->is_sop)) {  in aq_nic_map_skb()
706 						 dx_buff->pa,  in aq_nic_map_skb()
707 						 dx_buff->len,  in aq_nic_map_skb()
711 					       dx_buff->pa,  in aq_nic_map_skb()
712 					       dx_buff->len,  in aq_nic_map_skb()