diff options
| -rwxr-xr-x | package/initscripts/init.d/S40network | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/package/initscripts/init.d/S40network b/package/initscripts/init.d/S40network index 7b11d8b902..a8d7c5df78 100755 --- a/package/initscripts/init.d/S40network +++ b/package/initscripts/init.d/S40network @@ -6,8 +6,37 @@ # Debian ifupdown needs the /run/network lock directory mkdir -p /run/network +# In case we have a slow-to-appear interface (e.g. eth-over-USB), +# and we need to configure it, wait until it appears, but not too +# long either. WAIT_DELAY is in seconds. +WAIT_DELAY=15 + +wait_for_interfaces() { + IFACES=$(awk '/^auto/ { print $2 }' /etc/network/interfaces) + [ -n "$IFACES" ] || return + + printf "Waiting for network interfaces to appear" + + for i in $(seq $WAIT_DELAY); do + for IFACE in $IFACES; do + if [ ! -e "/sys/class/net/$IFACE" ]; then + printf "." + sleep 1 + continue 2 + fi + done + + printf " ok\n"; return + done + + printf " timeout\n" + exit 1 +} + case "$1" in start) + wait_for_interfaces + echo "Starting network..." /sbin/ifup -a ;; |
