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-rw-r--r--Documentation/networking/cxacru.txt16
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/networking/cxacru.txt b/Documentation/networking/cxacru.txt
index b074681..2cce044 100644
--- a/Documentation/networking/cxacru.txt
+++ b/Documentation/networking/cxacru.txt
@@ -4,6 +4,12 @@ While it is capable of managing/maintaining the ADSL connection without the
module loaded, the device will sometimes stop responding after unloading the
driver and it is necessary to unplug/remove power to the device to fix this.
+Note: support for cxacru-cf.bin has been removed. It was not loaded correctly
+so it had no effect on the device configuration. Fixing it could have stopped
+existing devices working when an invalid configuration is supplied.
+
+There is a script cxacru-cf.py to convert an existing file to the sysfs form.
+
Detected devices will appear as ATM devices named "cxacru". In /sys/class/atm/
these are directories named cxacruN where N is the device number. A symlink
named device points to the USB interface device's directory which contains
@@ -15,6 +21,15 @@ several sysfs attribute files for retrieving device statistics:
* adsl_headend_environment
Information about the remote headend.
+* adsl_config
+ Configuration writing interface.
+ Write parameters in hexadecimal format <index>=<value>,
+ separated by whitespace, e.g.:
+ "1=0 a=5"
+ Up to 7 parameters at a time will be sent and the modem will restart
+ the ADSL connection when any value is set. These are logged for future
+ reference.
+
* downstream_attenuation (dB)
* downstream_bits_per_frame
* downstream_rate (kbps)
@@ -61,6 +76,7 @@ several sysfs attribute files for retrieving device statistics:
* mac_address
* modulation
+ "" (when not connected)
"ANSI T1.413"
"ITU-T G.992.1 (G.DMT)"
"ITU-T G.992.2 (G.LITE)"
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