On Sat, Jun 19, 2021 at 08:36:10PM +0200, Hauke Mehrtens wrote: > On a DSA switch the ports have an upper device, the CPU device, e.g. > eth0. This device has to be in up state to bring up the lower devices > like lan1. > > Parse the link device from "ip link show" and bring it into up stated > before bringing up the actual interface. > > This is needed to make network in failsafe on systems with DSA work.
Hi Hauke, You may instead backport the upstream commit 9d5ef190e561 ("net: dsa: automatically bring up DSA master when opening user port"). > > Signed-off-by: Hauke Mehrtens <ha...@hauke-m.de> > --- > package/base-files/files/lib/preinit/10_indicate_preinit | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/package/base-files/files/lib/preinit/10_indicate_preinit > b/package/base-files/files/lib/preinit/10_indicate_preinit > index ae9fcfecc89e..a3bc289dd663 100644 > --- a/package/base-files/files/lib/preinit/10_indicate_preinit > +++ b/package/base-files/files/lib/preinit/10_indicate_preinit > @@ -12,6 +12,12 @@ preinit_ip_config() { > fi > > grep -q "$netdev" /proc/net/dev || return > + > + # Get the link interface e.g. eth0 in lan1@eth0 > + iflink=$(ip link show dev ${netdev} |sed -nr 's/.*@([a-zA-Z0-9]*): > .*/\1/p') > + if [ -n "$iflink" ]; then > + ip link set dev $iflink up > + fi > > if [ -n "$vid" ]; then > ip link add link $netdev name $1 type vlan id $vid _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/mailman/listinfo/openwrt-devel