NUM_TX_DESC
static u8 tx_ring[NUM_TX_DESC * sizeof(struct TxDesc) + 256];
static unsigned char txb[NUM_TX_DESC * RX_BUF_SIZE];
unsigned char *Tx_skbuff[NUM_TX_DESC];
int entry = tpc->cur_tx % NUM_TX_DESC;
if (entry != (NUM_TX_DESC - 1))
memset(tpc->TxDescArray, 0x0, NUM_TX_DESC * sizeof(struct TxDesc));
for (i = 0; i < NUM_TX_DESC; i++) {
cur_tx = (cur_tx + 1) % NUM_TX_DESC;