Symbol: TXCON_LOOPBACK_D2
sys/dev/ic/smc83c170.c
1398
txcon |= (TXCON_LOOPBACK_D1 | TXCON_LOOPBACK_D2);
sys/dev/ic/smc83c170.c
1400
txcon &= ~(TXCON_LOOPBACK_D1 | TXCON_LOOPBACK_D2);