YGE_RX_RING_CNT
dev->d_process_limit = YGE_RX_RING_CNT/2;
sizeof (yge_buf_t) * YGE_RX_RING_CNT);
rv = yge_alloc_ring(port, NULL, &port->p_rx_ring, YGE_RX_RING_CNT);
for (i = 0; i < YGE_RX_RING_CNT; i++) {
for (int i = 0; i < YGE_RX_RING_CNT; i++, b++) {
YGE_INC(port->p_rx_cons, YGE_RX_RING_CNT);
for (prod = 0; prod < YGE_RX_RING_CNT; prod++) {
YGE_RX_RING_CNT - 1);
port->p_rx_buf = kmem_zalloc(sizeof (yge_buf_t) * YGE_RX_RING_CNT,
#define YGE_STAT_RING_CNT (YGE_TX_RING_CNT + YGE_RX_RING_CNT)
#define YGE_PROC_DEFAULT (YGE_RX_RING_CNT / 2)
#define YGE_PROC_MAX (YGE_RX_RING_CNT - 1)