ipoe: implemented ability to use lua to make vlan name

[ipoe]
vlan-name=lua:make_vlan_name

lua function accepts three arguments: parent interface name, parent vlan number and vlan number caused vlan creation

sample lua function:
function make_vlan_name(ifname, svid, cvid)
    print('make_vlan_name: '..ifname..','..svid..','..cvid)
    return ifname..'.'..cvid
end

1 files changed, 5 insertions, 0 deletions

diff --git a/accel-pppd/ctrl/ipoe/ipoe.c b/accel-pppd/ctrl/ipoe/ipoe.c
index 9e1a989..e843b50 100644
--- a/accel-pppd/ctrl/ipoe/ipoe.c
+++ b/accel-pppd/ctrl/ipoe/ipoe.c
@@ -2245,6 +2245,11 @@ static int make_vlan_name(const char *parent, int svid, int cvid, char *name)
 	const char *ptr2 = conf_vlan_name;
 	char svid_str[5], cvid_str[5], *ptr3;
 
+#ifdef USE_LUA
+	if (!memcmp(conf_vlan_name, "lua:", 4))
+		return ipoe_lua_make_vlan_name(conf_vlan_name + 4, parent, svid, cvid, name);
+#endif
+
 	sprintf(svid_str, "%i", svid);
 	sprintf(cvid_str, "%i", cvid);