152 	struct virtio_net_hdr_mrg_rxbuf hdr;  member
252 	struct virtio_net_hdr_mrg_rxbuf *hdr;  in page_to_skb()  local
263 	hdr = skb_vnet_hdr(skb);  in page_to_skb()
267 		hdr_padded_len = sizeof *hdr;  in page_to_skb()
271 	memcpy(hdr, p, hdr_len);  in page_to_skb()
357 	struct virtio_net_hdr_mrg_rxbuf *hdr = buf;  in receive_mergeable()  local
358 	u16 num_buf = virtio16_to_cpu(vi->vdev, hdr->num_buffers);  in receive_mergeable()
377 						 hdr->num_buffers));  in receive_mergeable()
444 	struct virtio_net_hdr_mrg_rxbuf *hdr;  in receive_buf()  local
471 	hdr = skb_vnet_hdr(skb);  in receive_buf()
478 	if (hdr->hdr.flags & VIRTIO_NET_HDR_F_NEEDS_CSUM) {  in receive_buf()
481 			  virtio16_to_cpu(vi->vdev, hdr->hdr.csum_start),  in receive_buf()
482 			  virtio16_to_cpu(vi->vdev, hdr->hdr.csum_offset)))  in receive_buf()
484 	} else if (hdr->hdr.flags & VIRTIO_NET_HDR_F_DATA_VALID) {  in receive_buf()
492 	if (hdr->hdr.gso_type != VIRTIO_NET_HDR_GSO_NONE) {  in receive_buf()
494 		switch (hdr->hdr.gso_type & ~VIRTIO_NET_HDR_GSO_ECN) {  in receive_buf()
506 					     dev->name, hdr->hdr.gso_type);  in receive_buf()
510 		if (hdr->hdr.gso_type & VIRTIO_NET_HDR_GSO_ECN)  in receive_buf()
514 							    hdr->hdr.gso_size);  in receive_buf()
539 	struct virtio_net_hdr_mrg_rxbuf *hdr;  in add_recvbuf_small()  local
548 	hdr = skb_vnet_hdr(skb);  in add_recvbuf_small()
550 	sg_set_buf(rq->sg, hdr, vi->hdr_len);  in add_recvbuf_small()
850 	struct virtio_net_hdr_mrg_rxbuf *hdr;  in xmit_skb()  local
860 		!((unsigned long)skb->data & (__alignof__(*hdr) - 1)) &&  in xmit_skb()
865 		hdr = (struct virtio_net_hdr_mrg_rxbuf *)(skb->data - hdr_len);  in xmit_skb()
867 		hdr = skb_vnet_hdr(skb);  in xmit_skb()
870 		hdr->hdr.flags = VIRTIO_NET_HDR_F_NEEDS_CSUM;  in xmit_skb()
871 		hdr->hdr.csum_start = cpu_to_virtio16(vi->vdev,  in xmit_skb()
873 		hdr->hdr.csum_offset = cpu_to_virtio16(vi->vdev,  in xmit_skb()
876 		hdr->hdr.flags = 0;  in xmit_skb()
877 		hdr->hdr.csum_offset = hdr->hdr.csum_start = 0;  in xmit_skb()
881 		hdr->hdr.hdr_len = cpu_to_virtio16(vi->vdev, skb_headlen(skb));  in xmit_skb()
882 		hdr->hdr.gso_size = cpu_to_virtio16(vi->vdev,  in xmit_skb()
885 			hdr->hdr.gso_type = VIRTIO_NET_HDR_GSO_TCPV4;  in xmit_skb()
887 			hdr->hdr.gso_type = VIRTIO_NET_HDR_GSO_TCPV6;  in xmit_skb()
889 			hdr->hdr.gso_type = VIRTIO_NET_HDR_GSO_UDP;  in xmit_skb()
893 			hdr->hdr.gso_type |= VIRTIO_NET_HDR_GSO_ECN;  in xmit_skb()
895 		hdr->hdr.gso_type = VIRTIO_NET_HDR_GSO_NONE;  in xmit_skb()
896 		hdr->hdr.gso_size = hdr->hdr.hdr_len = 0;  in xmit_skb()
900 		hdr->num_buffers = 0;  in xmit_skb()
909 		sg_set_buf(sq->sg, hdr, hdr_len);  in xmit_skb()
984 	struct scatterlist *sgs[4], hdr, stat;  in virtnet_send_command()  local
994 	sg_init_one(&hdr, &vi->ctrl_hdr, sizeof(vi->ctrl_hdr));  in virtnet_send_command()
995 	sgs[out_num++] = &hdr;  in virtnet_send_command()