tunspace: some minimal config documentation

Author: pktpls

packages/tunspace/tunspace.defaults

@@ -5,12 +5,21 @@ if [ ! -f /etc/config/tunspace ]; then
 package 'tunspace'
 
 config tunspace "tunspace"
+  # Namespace where the uplink will live.
   option uplink_netns "uplink"
+  # Existing interface that we'll use as the uplink.
   option uplink_ifname "br-wan"
+  # How the uplink in the namespace is constructed.
+  # - bridge: creates a macvlan child in bridge mode, useful for creating multiple uplinks from the same original uplink interface.
+  # - direct: moves the original uplink interface into the namespace directly, useful for wonky cheap USB sticks with broken drivers.
   option uplink_mode "bridge"
+  # Our own static uplink IPv4 address in CIDR format. Leave empty to use DHCP.
   option uplink_ipv4 ""
+  # IPv4 address of the gateway. Required in combination with uplink_ipv4, ignored when using DHCP.
   option uplink_gateway ""
+  # Maintenance consists of checking the uplink, refreshing the DHCP lease, checking the tunnel endpoints, and switching endpoints if neccessary.
   option maintenance_interval "15"
+  # Enables detailed output of Tunspace's operations. If disabled, only tunnel endpoint changes are reported.
   option debug "0"
 
 config wg-server