From: Roy Marples <roy@marples.name>
Date: Fri, 21 Jul 2023 14:41:03 +0000 (+0100)
Subject: linux: fix wireless roaming
X-Git-Tag: v10.0.3~17
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1e1268d2de92f148913fc08c1f6efb5b716ac5a1;p=thirdparty%2Fdhcpcd.git

linux: fix wireless roaming

Fixes #228.
---

diff --git a/src/if-linux.c b/src/if-linux.c
index 5e033a16..cb389536 100644
--- a/src/if-linux.c
+++ b/src/if-linux.c
@@ -553,12 +553,14 @@ bool
 if_roaming(struct interface *ifp)
 {
 
-#ifdef IFF_LOWER_UP
 	if (!ifp->wireless ||
-	    ifp->flags & IFF_RUNNING ||
-	    (ifp->flags & (IFF_UP | IFF_LOWER_UP)) != (IFF_UP | IFF_LOWER_UP))
+	    ifp->flags & IFF_RUNNING)
 		return false;
-	return true;
+
+#if defined(IFF_DORMANT)
+	return ifp->flags & IFF_DORMANT;
+#elif defined(IFF_LOWER_UP)
+	return (ifp->flags & (IFF_UP|IFF_LOWER_UP)) == (IFF_UP|IFF_LOWER_UP);
 #else
 	return false;
 #endif