Returnvalue:
current protocol-Id (one of the constants ISDN_L3_PROTO)
- ISDN_CMD_LOCK:
-
- With this command the HL-driver is told, that it will be used by the
- LL and therefore may not be unloaded. The HL-driver should use
- MOD_INC_USE_COUNT to tell that to the kernel.
-
- Parameter:
- driver = driver-Id.
- command = ISDN_CMD_LOCK
- arg = unused.
- parm = unused.
-
- ISDN_CMD_UNLOCK:
-
- With this command the HL-driver is told, that it is no more used by the
- LL and therefore may be unloaded. The HL-driver should use
- DEC_INC_USE_COUNT to tell that to the kernel.
-
- Parameter:
- driver = driver-Id.
- command = ISDN_CMD_UNLOCK
- arg = unused.
- parm = unused.
-
ISDN_CMD_PROCEED:
With this command, the HL-driver is told to proceed with a incoming call.