ipoe: early drop routes when dropping sessions (V3)

accel-pppd/ctrl/ipoe/ipoe.c

@@ -576,6 +576,9 @@ static void __ipoe_session_activate(struct ipoe_session *ses)
 {
 	uint32_t addr;
 
+	if (ses->terminating)
+		return;
+
 	if (ses->ifindex != -1) {
 		addr = 0;
 		if (!ses->ses.ipv4)
@@ -1296,6 +1299,12 @@ static void ipoe_drop_sessions(struct ipoe_serv *serv, struct ipoe_session *skip
 		if (ses == skip)
 			continue;
 
+		ses->terminating = 1;
+		if (ses->ifcfg) {
+			ipoe_ifcfg_del(ses);
+			ses->ifcfg = 0;
+		}
+
 		if (ses->ses.state == AP_STATE_ACTIVE)
 			ap_session_ifdown(&ses->ses);
 

accel-pppd/ctrl/ipoe/ipoe.h

@@ -56,6 +56,7 @@ struct ipoe_session
 	int ifindex;
 	struct ipv4db_item_t ipv4;
 	int ifcfg:1;
+	int terminating:1;
 	int dhcp_addr:1;
 	int relay_addr:1;
 	int l4_redirect:1;