[Buildroot] [PATCH v2 1/1] dropwatch: new package
jacmet at uclibc.org
Mon Jul 22 05:31:06 UTC 2013
>>>>> "Tzu-Jung" == Tzu-Jung Lee <roylee17 at gmail.com> writes:
T> +++ b/package/dropwatch/dropwatch-1.4-build.patch
T> @@ -0,0 +1,27 @@
T> +From 03bab84ca3f102274837e83ee6da4c997a9da018 Mon Sep 17 00:00:00 2001
T> +From: Tzu-Jung Lee <tjlee at ambarella.com>
T> +Date: Fri, 12 Jul 2013 20:00:57 +0800
T> +Subject: [PATCH] build: modify hardcoded gcc to support buildroot
>> It isn't just about buildroot, it is for everything not just using
>> Did you send this patch upstream?
T> I'm sending one now, and will feedback once I got ... feedback :-)
T> +define DROPWATCH_INSTALL_TARGET_CMDS
T> + cp $(@D)/src/dropwatch $(TARGET_DIR)/usr/bin
>> We normally use
>> $(INSTALL) -D -m 0755 $(@D)/src/dropwatch $(TARGET_DIR)/usr/bin/dropwatch
>> And normally put it below the build step.
T> Do you mean to put it under BUILD_CMD, instead, or both BUILD and INSTALL_TARGET
Under BUILD_CMDS, so they are listed in the order that they get
>> Does it really make sense to put in usr/bin? Don't you need root
>> permissions to listen for these events?
T> Not really. It doesn't require root permission.
>> From the website I see it apparently relies on some out of tree netlink
>> Normally, monitoring for dropped packets requires the creation of a
>> script that periodically polls all the aformentioned interfaces,
>> checking for a change in various counter values. Dropwatch instead
>> listens on a netlink socket for the kernel to inform userspace (apps
>> like dropwatch and any others), that a packet has been dropped. This of
>> course implies that the kernel has some sort of functionality to this
>> end. That functionality (called the netlink Drop Monitor protocol), is
>> currently being reviewed upstream. For those who would like to
>> experiment with dropwatch now, you can either retrieve the appropriate
>> kernel patches from the netdev mailing list, or download them here
>> Is that still the case? Have these been reviewed on the netdev list?
>> Have they been accepted/rejected?
T> Yes, they've been merged for quite some time.
Bye, Peter Korsgaard
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