luci-mod-status: routes.js: link-local neighbourslink-local-neigh

Show link-local addresses which don't contain an embedded
MAC/EUI-48 address in the IPv6 Neighbour list on the Routes status page.

Signed-off-by: Mikael Magnusson <mikma@users.sourceforge.net>

1 files changed, 18 insertions, 1 deletions

diff --git a/modules/luci-mod-status/htdocs/luci-static/resources/view/status/routes.js b/modules/luci-mod-status/htdocs/luci-static/resources/view/status/routes.js
index 5da5d403b..42c6b53d9 100644
--- a/modules/luci-mod-status/htdocs/luci-static/resources/view/status/routes.js
+++ b/modules/luci-mod-status/htdocs/luci-static/resources/view/status/routes.js
@@ -26,6 +26,20 @@ function applyMask(addr, mask, v6) {
 		v6 ? '%x:%x:%x:%x:%x:%x:%x:%x' : '%d.%d.%d.%d', words);
 }
 
+function eui48ToIPv6LinkLocal(eui48) {
+	var eui48_arr = eui48.toLowerCase().split(":");
+
+	if ( eui48.length != (3*6-1) || eui48_arr.length != 6 )
+		return null;
+
+	eui48_arr.splice(3, 0, "ff", "fe")
+	eui48_arr[0] = (parseInt(eui48_arr[0], 16)^2).toString(16)
+
+	var eui64_arr = [eui48_arr[0]+eui48_arr[1], eui48_arr[2]+eui48_arr[3], eui48_arr[4]+eui48_arr[5], eui48_arr[6]+eui48_arr[7]];
+	var eui64 = eui64_arr.map(x => x.replace(/^0+/, '')).join(":");
+	return "fe80::" + eui64;
+}
+
 return view.extend({
 	load: function() {
 		return Promise.all([
@@ -89,7 +103,7 @@ return view.extend({
 			    flags = m ? m[2].trim().split(/\s+/) : [],
 			    state = (m ? m[3] : null) || 'FAILED';
 
-			if (!addr || state == 'FAILED' || addr.match(/^fe[89a-f][0-9a-f]:/))
+			if (!addr || state == 'FAILED')
 				continue;
 
 			for (var j = 0; j < flags.length; j += 2)
@@ -98,6 +112,9 @@ return view.extend({
 			if (!flags.lladdr)
 				continue;
 
+			if (v6 && addr.match(/^fe[89a-f][0-9a-f]:/) && eui48ToIPv6LinkLocal(flags.lladdr) == addr)
+				continue;
+
 			var net = this.getNetworkByDevice(networks, flags.dev, addr, v6 ? 128 : 32, v6);
 
 			res.push([