README.hfc-pci
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- The driver for the HFC-PCI and HFC-PCI-A chips from CCD may be used
- for many OEM cards using this chips.
- Additionally the driver has a special feature which makes it possible
- to read the echo-channel of the isdn bus. So all frames in both directions
- may be logged.
- When the echo logging feature is used the number of available B-channels
- for a HFC-PCI card is reduced to 1. Of course this is only relevant to
- the card, not to the isdn line.
- To activate the echo mode the following ioctls must be entered:
- hisaxctrl <driver/cardname> 10 1
- This reduces the available channels to 1. There must not be open connections
- through this card when entering the command.
- And then:
- hisaxctrl <driver/cardname> 12 1
- This enables the echo mode. If Hex logging is activated the isdnctrlx
- devices show a output with a line beginning of HEX: for the providers
- exchange and ECHO: for isdn devices sending to the provider.
- If more than one HFC-PCI cards are installed, a specific card may be selected
- at the hisax module load command line. Supply the load command with the desired
- IO-address of the desired card.
- Example:
- There tree cards installed in your machine at IO-base addresses 0xd000, 0xd400
- and 0xdc00
- If you want to use the card at 0xd400 standalone you should supply the insmod
- or depmod with type=35 io=0xd400.
- If you want to use all three cards, but the order needs to be at 0xdc00,0xd400,
- 0xd000 you may give the parameters type=35,35,35 io=0xdc00,0xd400,0xd00
- Then the desired card will be the initialised in the desired order.
- If the io parameter is used the io addresses of all used cards should be
- supplied else the parameter is assumed 0 and a auto search for a free card is
- invoked which may not give the wanted result.
- Comments and reports to werner@isdn4linux.de or werner@isdn-development.de