TX_TIMEOUT
#define TX_TIMEOUT (4*TICKS_PER_SEC)
#define TX_TIMEOUT (6*HZ)
#define TX_TIMEOUT (4*TICKS_PER_SEC)
#define TX_TIMEOUT (10*HZ) /* We need time for auto-neg */
#define TX_TIMEOUT ((2000*HZ)/1000)
#define TX_TIMEOUT (10*TICKS_PER_MS)
#define TX_TIMEOUT 3*TICKS_PER_SEC