batman-adv: throw uevent in userspace on gateway add/change/del event
In case of new default gw, changing the default gw or deleting the default gw a
uevent is triggered with type=gw, action=add/change/del and
data={GW_ORIG_ADDRESS} (if any).
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index 0350c0c..6381864 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -179,6 +179,7 @@
{
struct gw_node *curr_gw = NULL, *next_gw = NULL;
struct neigh_node *router = NULL;
+ char gw_addr[18] = { '\0' };
/**
* The batman daemon checks here if we already passed a full originator
@@ -200,6 +201,8 @@
goto out;
if (next_gw) {
+ sprintf(gw_addr, "%pM", next_gw->orig_node->orig);
+
router = orig_node_get_router(next_gw->orig_node);
if (!router) {
gw_deselect(bat_priv);
@@ -210,12 +213,14 @@
if ((curr_gw) && (!next_gw)) {
bat_dbg(DBG_BATMAN, bat_priv,
"Removing selected gateway - no gateway in range\n");
+ throw_uevent(bat_priv, UEV_GW, UEV_DEL, NULL);
} else if ((!curr_gw) && (next_gw)) {
bat_dbg(DBG_BATMAN, bat_priv,
"Adding route to gateway %pM (gw_flags: %i, tq: %i)\n",
next_gw->orig_node->orig,
next_gw->orig_node->gw_flags,
router->tq_avg);
+ throw_uevent(bat_priv, UEV_GW, UEV_ADD, gw_addr);
} else {
bat_dbg(DBG_BATMAN, bat_priv,
"Changing route to gateway %pM "
@@ -223,6 +228,7 @@
next_gw->orig_node->orig,
next_gw->orig_node->gw_flags,
router->tq_avg);
+ throw_uevent(bat_priv, UEV_GW, UEV_CHANGE, gw_addr);
}
gw_select(bat_priv, next_gw);