-###--------------------------------------------------------------------------
-### Bring the interface up.
-
-case $haveaddr4,$haveaddr6 in
- nil,nil)
- ;;
- *)
- case "${P_MTU+set}" in
- set)
- mtu=$P_MTU;;
- *)
- pathmtu=$(pathmtu "$addr")
- mtu=$(expr "$pathmtu" - 33 - $A_CIPHER_BLKSZ - $A_MAC_TAGSZ)
- ;;
- esac
- ip link set dev "$ifname" up mtu "$mtu"
- ;;
-esac
-