[dtaht/ceropackages-3.10] 5a8c9b: Teach SQM hotplug tricks

[dtaht/ceropackages-3.10] 5a8c9b: Teach SQM hotplug tricks

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  Branch: refs/heads/master
  Home:   https://github.com/dtaht/ceropackages-3.10
  Commit: 5a8c9b17e46c696ad9015289f81a081a16e961a8
      https://github.com/dtaht/ceropackages-3.10/commit/5a8c9b17e46c696ad9015289f81a081a16e961a8
  Author: Sebastian Moeller <moeller0@gmx.de>
  Date:   2015-03-03 (Tue, 03 Mar 2015)

  Changed paths:
    M net/sqm-scripts/Makefile
    M net/sqm-scripts/files/usr/lib/sqm/run.sh
    M net/sqm-scripts/files/usr/lib/sqm/simple.qos

  Log Message:
  -----------
  Teach SQM hotplug tricks

Some interfaces like wan-pppoe go away, when the ppp connection is lost
and get recreated once the link is established again. SQM now
has its own hotplug script to re-enable itself on the interfae just hotplugged.
SQM will not touch other instances of itself running on other interfaces
if called by hotplug.d. The implementation now allows this functionality by
calling run.sh like:
/usr/lib/sqm/run.sh interface YOUR_INTERFACE_NAME_HERE
e.g.: /usr/lib/sqm/run.sh interface ge00-pppoe
If called with a specific interface SQM will only try to disable itself
on that interface to clean up all left over state and the re-enable
itself on just that interface. Hopefully that allows for better service
with instable interfaces like pppoe. The current code passes a simple manual
stop start test of the ge00-pppoe interface from the GUI and does seem
to do the right thing, at least on cerowrt 3.10.50-1...