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route-manager: restore shadowed gateway routes after direct routes

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This commit is contained in:
Thomas Haller 2015-07-08 11:42:54 +02:00
parent bb1692707f
commit ce2964c021
1 changed files with 27 additions and 1 deletions
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28
src/nm-route-manager.c
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@ -715,6 +715,8 @@ next:
**************************************************************************/
if (ipx_routes_changed) {
GArray *gateway_routes = NULL;
/* @effective_metrics_reverse contains the list of assigned metrics from the last
* sync. Walk through it and see what changes there are (and possibly restore a
* shadowed route).
@ -754,7 +756,31 @@ next:
* or add any further routes then this. That means there might be some stale routes
* (with a higher metric!). They will only be removed on the next sync of that other
* ifindex. */
vtable->vt->route_add (priv->platform, 0, cur_ipx_route, *p_effective_metric);
if (!VTABLE_IS_DEVICE_ROUTE (vtable, cur_ipx_route)) {
/* the route to restore has a gateway. We can only restore the route
* when we also have a direct route to the gateway. There can be cases
* where the direct route is shadowed too, and we cannot restore the gateway
* route.
*
* Restore first the direct-routes, and gateway-routes afterwards.
* This can avoid some cases where we would fail to add the
* gateway route. */
if (!gateway_routes)
gateway_routes = g_array_new (FALSE, FALSE, sizeof (guint));
g_array_append_val (gateway_routes, i_ipx_routes);
} else
vtable->vt->route_add (priv->platform, 0, cur_ipx_route, *p_effective_metric);
}
if (gateway_routes) {
for (i = 0; i < gateway_routes->len; i++) {
i_ipx_routes = g_array_index (gateway_routes, guint, i);
vtable->vt->route_add (priv->platform, 0,
ipx_routes->index->entries[i_ipx_routes],
effective_metrics[i_ipx_routes]);
}
g_array_unref (gateway_routes);
}
}