146 	struct virtio_net_hdr_mrg_rxbuf hdr;  member
246 	struct virtio_net_hdr_mrg_rxbuf *hdr;  in page_to_skb()  local
257 	hdr = skb_vnet_hdr(skb);  in page_to_skb()
261 		hdr_padded_len = sizeof *hdr;  in page_to_skb()
265 	memcpy(hdr, p, hdr_len);  in page_to_skb()
351 	struct virtio_net_hdr_mrg_rxbuf *hdr = buf;  in receive_mergeable()  local
352 	u16 num_buf = virtio16_to_cpu(vi->vdev, hdr->num_buffers);  in receive_mergeable()
371 						 hdr->num_buffers));  in receive_mergeable()
438 	struct virtio_net_hdr_mrg_rxbuf *hdr;  in receive_buf()  local
465 	hdr = skb_vnet_hdr(skb);  in receive_buf()
472 	if (hdr->hdr.flags & VIRTIO_NET_HDR_F_NEEDS_CSUM) {  in receive_buf()
475 			  virtio16_to_cpu(vi->vdev, hdr->hdr.csum_start),  in receive_buf()
476 			  virtio16_to_cpu(vi->vdev, hdr->hdr.csum_offset)))  in receive_buf()
478 	} else if (hdr->hdr.flags & VIRTIO_NET_HDR_F_DATA_VALID) {  in receive_buf()
486 	if (hdr->hdr.gso_type != VIRTIO_NET_HDR_GSO_NONE) {  in receive_buf()
488 		switch (hdr->hdr.gso_type & ~VIRTIO_NET_HDR_GSO_ECN) {  in receive_buf()
500 					     dev->name, hdr->hdr.gso_type);  in receive_buf()
504 		if (hdr->hdr.gso_type & VIRTIO_NET_HDR_GSO_ECN)  in receive_buf()
508 							    hdr->hdr.gso_size);  in receive_buf()
533 	struct virtio_net_hdr_mrg_rxbuf *hdr;  in add_recvbuf_small()  local
542 	hdr = skb_vnet_hdr(skb);  in add_recvbuf_small()
544 	sg_set_buf(rq->sg, hdr, vi->hdr_len);  in add_recvbuf_small()
844 	struct virtio_net_hdr_mrg_rxbuf *hdr;  in xmit_skb()  local
854 		!((unsigned long)skb->data & (__alignof__(*hdr) - 1)) &&  in xmit_skb()
859 		hdr = (struct virtio_net_hdr_mrg_rxbuf *)(skb->data - hdr_len);  in xmit_skb()
861 		hdr = skb_vnet_hdr(skb);  in xmit_skb()
864 		hdr->hdr.flags = VIRTIO_NET_HDR_F_NEEDS_CSUM;  in xmit_skb()
865 		hdr->hdr.csum_start = cpu_to_virtio16(vi->vdev,  in xmit_skb()
867 		hdr->hdr.csum_offset = cpu_to_virtio16(vi->vdev,  in xmit_skb()
870 		hdr->hdr.flags = 0;  in xmit_skb()
871 		hdr->hdr.csum_offset = hdr->hdr.csum_start = 0;  in xmit_skb()
875 		hdr->hdr.hdr_len = cpu_to_virtio16(vi->vdev, skb_headlen(skb));  in xmit_skb()
876 		hdr->hdr.gso_size = cpu_to_virtio16(vi->vdev,  in xmit_skb()
879 			hdr->hdr.gso_type = VIRTIO_NET_HDR_GSO_TCPV4;  in xmit_skb()
881 			hdr->hdr.gso_type = VIRTIO_NET_HDR_GSO_TCPV6;  in xmit_skb()
883 			hdr->hdr.gso_type = VIRTIO_NET_HDR_GSO_UDP;  in xmit_skb()
887 			hdr->hdr.gso_type |= VIRTIO_NET_HDR_GSO_ECN;  in xmit_skb()
889 		hdr->hdr.gso_type = VIRTIO_NET_HDR_GSO_NONE;  in xmit_skb()
890 		hdr->hdr.gso_size = hdr->hdr.hdr_len = 0;  in xmit_skb()
894 		hdr->num_buffers = 0;  in xmit_skb()
903 		sg_set_buf(sq->sg, hdr, hdr_len);  in xmit_skb()
978 	struct scatterlist *sgs[4], hdr, stat;  in virtnet_send_command()  local
989 	sg_init_one(&hdr, &ctrl, sizeof(ctrl));  in virtnet_send_command()
990 	sgs[out_num++] = &hdr;  in virtnet_send_command()