[Buildroot] [PATCH] package/skeleton: add a startup script to wait for slow network interfaces
Peter Korsgaard
peter at korsgaard.com
Mon Oct 19 10:15:40 UTC 2015
>>>>> "Jérôme" == Jérôme Pouiller <jezz at sysmic.org> writes:
Hi,
> I am a bit late to do the review, but why not add a script in
> /etc/network/if-pre-up.d ? For example (notice $IFACE and $IF_MAXWAIT
> are set by ifupdown):
> #! /bin/sh
> if [ "${IF_MAXWAIT}" ]; then
> printf "Waiting for interface %s to appear" "${IFACE}"
> while [ ${IF_MAXWAIT} -gt 0 ]; do
> if [ -e "/sys/class/net/${IFACE}" ]; then
> printf " yes\n"
> exit 0
> fi
> sleep 1
> printf "."
> : $((wait--))
> done
> printf " no.\n"
> exit 1
> fi
That's certainly also an option. Care to send a patch reworking the
logic in S40network to a pre-up.d hook?
> Next, interface would use "maxwait" property in /etc/network/interface:
> auto eth0
> iface eth0 inet dhcp
> maxwait 15
Then our BR2_SYSTEM_DHCP logic should probably also be adapted to add
'maxwait 15' by default.
Thanks!
--
Bye, Peter Korsgaard
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