MAX_TX_RING_SIZE
ring->tx_max_pending = MAX_TX_RING_SIZE;
MIN_TX_RING_SIZE, MAX_TX_RING_SIZE);
p->tx_max_pending = MAX_TX_RING_SIZE;
p->tx_pending < TX_LOW_WATER || p->tx_pending > MAX_TX_RING_SIZE)
for (i = 0; i < MAX_TX_RING_SIZE; i++) {
MAX_TX_RING_SIZE * sizeof(__le64),
MAX_TX_RING_SIZE * sizeof(__le64),
rp->pending = MAX_TX_RING_SIZE;
for (j = 0; j < MAX_TX_RING_SIZE; j++) {
rp->pending = MAX_TX_RING_SIZE;
struct tx_buff_info tx_buffs[MAX_TX_RING_SIZE];
((tp->prod - tp->cons) & (MAX_TX_RING_SIZE - 1)));