gve_rx_desc
struct gve_rx_desc *desc_ring;
_Static_assert(sizeof(struct gve_rx_desc) == 64, "gve: bad desc struct length");
sizeof(struct gve_rx_desc) * priv->rx_desc_cnt,
rx->desc_ring[i] = (struct gve_rx_desc){};
gve_rx(struct gve_priv *priv, struct gve_rx_ring *rx, struct gve_rx_desc *desc,
struct gve_rx_desc *desc;
struct gve_rx_desc *desc;