luci-base: network.js: dynamically calculate IPv4 netmasks

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

1 files changed, 2 insertions, 37 deletions

diff --git a/modules/luci-base/htdocs/luci-static/resources/network.js b/modules/luci-base/htdocs/luci-static/resources/network.js
index 1f66c6ff9b..19640604e4 100644
--- a/modules/luci-base/htdocs/luci-static/resources/network.js
+++ b/modules/luci-base/htdocs/luci-static/resources/network.js
@@ -1253,43 +1253,8 @@ Protocol = L.Class.extend({
 
 	getNetmask: function() {
 		var addrs = this._ubus('ipv4-address');
-		if (Array.isArray(addrs) && addrs.length) {
-			switch (addrs[0].mask) {
-			case  0: return '0.0.0.0';
-			case  1: return '128.0.0.0';
-			case  2: return '192.0.0.0';
-			case  3: return '224.0.0.0';
-			case  4: return '240.0.0.0';
-			case  5: return '248.0.0.0';
-			case  6: return '252.0.0.0';
-			case  7: return '254.0.0.0';
-			case  8: return '255.0.0.0';
-			case  9: return '255.128.0.0';
-			case 10: return '255.192.0.0';
-			case 11: return '255.224.0.0';
-			case 12: return '255.240.0.0';
-			case 13: return '255.248.0.0';
-			case 14: return '255.252.0.0';
-			case 15: return '255.254.0.0';
-			case 16: return '255.255.0.0';
-			case 17: return '255.255.128.0';
-			case 18: return '255.255.192.0';
-			case 19: return '255.255.224.0';
-			case 20: return '255.255.240.0';
-			case 21: return '255.255.248.0';
-			case 22: return '255.255.252.0';
-			case 23: return '255.255.254.0';
-			case 24: return '255.255.255.0';
-			case 25: return '255.255.255.128';
-			case 26: return '255.255.255.192';
-			case 27: return '255.255.255.224';
-			case 28: return '255.255.255.240';
-			case 29: return '255.255.255.248';
-			case 30: return '255.255.255.252';
-			case 31: return '255.255.255.254';
-			case 32: return '255.255.255.255';
-			}
-		}
+		if (Array.isArray(addrs) && addrs.length)
+			return prefixToMask(addrs[0].mask, false);
 	},
 
 	getGatewayAddr: function() {