From 706da44cf275dc20426a55a4d01ed79026d3eb80 Mon Sep 17 00:00:00 2001
From: Steven Barth <steven@midlink.org>
Date: Sun, 27 Apr 2008 11:04:48 +0000
Subject: * Reworked Luci-Splash * Created ffluci-system-addons package for
 Kamikaze addons

---
 core/src/ffluci/sys.lua | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'core/src')

diff --git a/core/src/ffluci/sys.lua b/core/src/ffluci/sys.lua
index cde1877ded..8aa77cf13b 100644
--- a/core/src/ffluci/sys.lua
+++ b/core/src/ffluci/sys.lua
@@ -134,6 +134,19 @@ function net.devices()
 	return devices
 end
 
+-- Returns the MAC-Address belonging to the given IP-Address
+function net.ip4mac(ip)
+	local mac = nil
+	
+	for i, l in ipairs(net.arptable()) do
+		if l["IP address"] == ip then
+			mac = l["HW address"]
+		end
+	end
+	
+	return mac
+end
+
 -- Returns the prefix to a given netmask
 function net.mask4prefix(mask)
 	local bin = net.ip4bin(mask)
-- 
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