2063 	struct virtio_net_hdr vnet_hdr;  in packet_rcv_vnet()  local
2065 	if (*len < sizeof(vnet_hdr))  in packet_rcv_vnet()
2067 	*len -= sizeof(vnet_hdr);  in packet_rcv_vnet()
2069 	if (virtio_net_hdr_from_skb(skb, &vnet_hdr, vio_le(), true, 0))  in packet_rcv_vnet()
2072 	return memcpy_to_msg(msg, (void *)&vnet_hdr, sizeof(vnet_hdr));  in packet_rcv_vnet()
2500 static int __packet_snd_vnet_parse(struct virtio_net_hdr *vnet_hdr, size_t len)  in __packet_snd_vnet_parse()  argument
2502 	if ((vnet_hdr->flags & VIRTIO_NET_HDR_F_NEEDS_CSUM) &&  in __packet_snd_vnet_parse()
2503 	    (__virtio16_to_cpu(vio_le(), vnet_hdr->csum_start) +  in __packet_snd_vnet_parse()
2504 	     __virtio16_to_cpu(vio_le(), vnet_hdr->csum_offset) + 2 >  in __packet_snd_vnet_parse()
2505 	      __virtio16_to_cpu(vio_le(), vnet_hdr->hdr_len)))  in __packet_snd_vnet_parse()
2506 		vnet_hdr->hdr_len = __cpu_to_virtio16(vio_le(),  in __packet_snd_vnet_parse()
2507 			 __virtio16_to_cpu(vio_le(), vnet_hdr->csum_start) +  in __packet_snd_vnet_parse()
2508 			__virtio16_to_cpu(vio_le(), vnet_hdr->csum_offset) + 2);  in __packet_snd_vnet_parse()
2510 	if (__virtio16_to_cpu(vio_le(), vnet_hdr->hdr_len) > len)  in __packet_snd_vnet_parse()
2517 				 struct virtio_net_hdr *vnet_hdr)  in packet_snd_vnet_parse()  argument
2519 	if (*len < sizeof(*vnet_hdr))  in packet_snd_vnet_parse()
2521 	*len -= sizeof(*vnet_hdr);  in packet_snd_vnet_parse()
2523 	if (!copy_from_iter_full(vnet_hdr, sizeof(*vnet_hdr), &msg->msg_iter))  in packet_snd_vnet_parse()
2526 	return __packet_snd_vnet_parse(vnet_hdr, *len);  in packet_snd_vnet_parse()
2681 	struct virtio_net_hdr *vnet_hdr = NULL;  in tpacket_snd()  local
2775 			vnet_hdr = data;  in tpacket_snd()
2776 			data += sizeof(*vnet_hdr);  in tpacket_snd()
2777 			tp_len -= sizeof(*vnet_hdr);  in tpacket_snd()
2779 			    __packet_snd_vnet_parse(vnet_hdr, tp_len)) {  in tpacket_snd()
2784 						    vnet_hdr->hdr_len);  in tpacket_snd()
2822 			if (virtio_net_hdr_to_skb(skb, vnet_hdr, vio_le())) {  in tpacket_snd()
2826 			virtio_net_hdr_set_proto(skb, vnet_hdr);  in tpacket_snd()
2909 	struct virtio_net_hdr vnet_hdr = { 0 };  in packet_snd()  local
2957 		err = packet_snd_vnet_parse(msg, &len, &vnet_hdr);  in packet_snd()
2972 	if (!vnet_hdr.gso_type &&  in packet_snd()
2979 	linear = __virtio16_to_cpu(vio_le(), vnet_hdr.hdr_len);  in packet_snd()
3013 	if (!vnet_hdr.gso_type && (len > dev->mtu + reserve + extra_len) &&  in packet_snd()
3031 		err = virtio_net_hdr_to_skb(skb, &vnet_hdr, vio_le());  in packet_snd()
3034 		len += sizeof(vnet_hdr);  in packet_snd()
3035 		virtio_net_hdr_set_proto(skb, &vnet_hdr);  in packet_snd()