netifd v2: Fix source routing for IPv4

[project/netifd.git] / system-linux.c

diff --git a/system-linux.c b/system-linux.c
index 8518f0f..ed69bef 100644 (file)
--- a/system-linux.c
+++ b/system-linux.c
@@ -1433,8 +1433,12 @@ static int system_rt(struct device *dev, struct device_route *route, int cmd)
        if (route->mask)
                nla_put(msg, RTA_DST, alen, &route->addr);
 
-       if (route->sourcemask)
-               nla_put(msg, RTA_SRC, alen, &route->source);
+       if (route->sourcemask) {
+               if (rtm.rtm_family == AF_INET)
+                       nla_put(msg, RTA_PREFSRC, alen, &route->source);
+               else
+                       nla_put(msg, RTA_SRC, alen, &route->source);
+       }
 
        if (route->metric > 0)
                nla_put_u32(msg, RTA_PRIORITY, route->metric);