Roman Fenkhuber has posted comments on this change.
Change subject: Basic tests for the tc module
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Patch Set 3: (3 inline comments)
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File tests/tcTests.py
Line 83: def _listenOnDevice(fd):
Regarding the loop, I will find a better solution.
I will check if I need more than one read, but I think that I have to read the
IGMP packets and so on too, to bring the device properly up.
Line 166: tap0 = _Tap()
Done
Line 173: self.tap0.arpProxyFor("192.168.3.2")
At least with newer kernel versions the bridge only becomes ready, when it is
attached to an active device. When a device or a bridge is not ready nothing is
mirrored by tc. At least this was my experience. So I decided to create a
virtual device. It's not possible to add a tun device to a bridge, so it is a
tap now.
Since Kernel 2.6.32 a tap device only becomes ready when a process is attached
to it. With the tap device ready, the bridge becomes ready and then mirroring
works.
Please correct me if I am wrong.
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Gerrit-MessageType: comment
Gerrit-Change-Id: Iee9437d1b5a96b3896df157f13888485ae7292d2
Gerrit-PatchSet: 3
Gerrit-Project: vdsm
Gerrit-Branch: master
Gerrit-Owner: Roman Fenkhuber <[email protected]>
Gerrit-Reviewer: Dan Kenigsberg <[email protected]>
Gerrit-Reviewer: Roman Fenkhuber <[email protected]>
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