net: openthread: Skip solicited-node mcast addresses creation

rlubos · carlescufi · commit b8b57388090f · 2022-05-11T11:03:26.000+02:00
Thread network makes no use of Solicited-node multicast addresses,
thereby do no create them on the interface to save multicast address
entries for important ones.

Signed-off-by: Robert Lubos &lt;robert.lubos@nordicsemi.no&gt;
diff --git a/subsys/net/l2/openthread/openthread.c b/subsys/net/l2/openthread/openthread.c
@@ -535,7 +535,7 @@ void ieee802154_init(struct net_if *iface)
 
 static enum net_l2_flags openthread_flags(struct net_if *iface)
 {
-	return NET_L2_MULTICAST;
+	return NET_L2_MULTICAST | NET_L2_MULTICAST_SKIP_JOIN_SOLICIT_NODE;
 }
 
 static int openthread_enable(struct net_if *iface, bool state)

Original file line number	Diff line number	Diff line change
`@@ -535,7 +535,7 @@ void ieee802154_init(struct net_if *iface)`
`535`	`535`
`536`	`536`	`static enum net_l2_flags openthread_flags(struct net_if *iface)`
`537`	`537`	`{`
`538`		`- return NET_L2_MULTICAST;`
	`538`	`+ return NET_L2_MULTICAST \| NET_L2_MULTICAST_SKIP_JOIN_SOLICIT_NODE;`
`539`	`539`	`}`
`540`	`540`
`541`	`541`	`static int openthread_enable(struct net_if *iface, bool state)`