struct virtio_net_config {
/* The config defining mac address (if VIRTIO_NET_F_MAC) */
- __u8 mac[6];
+ __u8 mac[ETH_ALEN];
/* See VIRTIO_NET_F_STATUS and VIRTIO_NET_S_* above */
__u16 status;
/* Maximum number of each of transmit and receive queues;
__u16 max_virtqueue_pairs;
} __attribute__((packed));
-/* This is the first element of the scatter-gather list. If you don't
+/* This header comes first in the scatter-gather list.
+ * If VIRTIO_F_ANY_LAYOUT is not negotiated, it must
+ * be the first element of the scatter-gather list. If you don't
* specify GSO or CSUM features, you can simply ignore the header. */
struct virtio_net_hdr {
#define VIRTIO_NET_HDR_F_NEEDS_CSUM 1 // Use csum_start, csum_offset