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-rw-r--r--package/ppp/files/ppp.sh47
1 files changed, 38 insertions, 9 deletions
diff --git a/package/ppp/files/ppp.sh b/package/ppp/files/ppp.sh
index 23fcb89ffd..62f584fa88 100644
--- a/package/ppp/files/ppp.sh
+++ b/package/ppp/files/ppp.sh
@@ -1,15 +1,44 @@
scan_ppp() {
config_get ifname "$1" ifname
pppdev="${pppdev:-0}"
- config_get unit "$1" unit
- [ -z "$unit" ] && {
- unit="$pppdev"
- if [ "${ifname%%[0-9]*}" = ppp ]; then
- unit="${ifname##ppp}"
- [ "$pppdev" -le "$unit" ] && pppdev="$(($unit + 1))"
- else
- pppdev="$(($pppdev + 1))"
- fi
+ config_get devunit "$1" unit
+ {
+ unit=
+ pppif=
+ if [ ! -d /tmp/.ppp-counter ]; then
+ mkdir -p /tmp/.ppp-counter
+ fi
+ local maxunit
+ maxunit="$(cat /tmp/.ppp-counter/max-unit 2>/dev/null)"
+ if [ -z "$maxunit" ]; then
+ maxunit=-1
+ fi
+ local i
+ i=0
+ while [ $i -le $maxunit ]; do
+ local unitdev
+ unitdev="$(cat /tmp/.ppp-counter/ppp${i} 2>/dev/null)"
+ if [ "$unitdev" = "$1" ]; then
+ unit="$i"
+ pppif="ppp${i}"
+ break
+ fi
+ i="$(($i + 1))"
+ done
+ if [ -z "$unit" ] || [ -z "$pppif" ]; then
+ maxunit="$(($maxunit + 1))"
+ if [ -n "$devunit" ]; then
+ unit="$devunit"
+ elif [ "${ifname%%[0-9]*}" = ppp ]; then
+ unit="${ifname##ppp}"
+ else
+ unit="$maxunit"
+ fi
+ [ "$maxunit" -lt "$unit" ] && maxunit="$unit"
+ pppif="ppp${unit}"
+ echo "$1" >/tmp/.ppp-counter/$pppif 2>/dev/null
+ echo "$maxunit" >/tmp/.ppp-counter/max-unit 2>/dev/null
+ fi
config_set "$1" ifname "ppp$unit"
config_set "$1" unit "$unit"
}