vmxnet3_cmd_ring
struct vmxnet3_cmd_ring *ring = NULL;
struct vmxnet3_cmd_ring *ring = &rq->rx_ring[ring_idx];
vmxnet3_cmd_ring_adv_next2fill(struct vmxnet3_cmd_ring *ring)
vmxnet3_cmd_ring_adv_next2comp(struct vmxnet3_cmd_ring *ring)
vmxnet3_cmd_ring_desc_avail(struct vmxnet3_cmd_ring *ring)
struct vmxnet3_cmd_ring tx_ring;
struct vmxnet3_cmd_ring rx_ring[2];