Symbol: TXCON_LOOPBACK_D2
sys/dev/ic/smc83c170.c
1364
txcon |= (TXCON_LOOPBACK_D1|TXCON_LOOPBACK_D2);
sys/dev/ic/smc83c170.c
1366
txcon &= ~(TXCON_LOOPBACK_D1|TXCON_LOOPBACK_D2);