From: Ondrej Zajicek (work) <santiago@crfreenet.org>
Date: Tue, 19 Feb 2019 15:21:52 +0000 (+0100)
Subject: Nest: Prevent withdraws from propagation back to source protocol (for accepted mode)
X-Git-Tag: v1.6.6~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b3fceeba30bd6a685de0aa17dbe6bcfd77d1ca29;p=thirdparty%2Fbird.git

Nest: Prevent withdraws from propagation back to source protocol (for accepted mode)

Update for one of previous patches, handles the the issue for
first-accepted mode of route propagation.
---

diff --git a/nest/rt-table.c b/nest/rt-table.c
index 68ee59b4c..e06563f63 100644
--- a/nest/rt-table.c
+++ b/nest/rt-table.c
@@ -484,7 +484,7 @@ rt_notify_basic(struct announce_hook *ah, net *net, rte *new0, rte *old0, int re
 static void
 rt_notify_accepted(struct announce_hook *ah, net *net, rte *new_changed, rte *old_changed, rte *before_old, int feed)
 {
-  // struct proto *p = ah->proto;
+  struct proto *p = ah->proto;
   struct proto_stats *stats = ah->stats;
 
   rte *r;
@@ -563,7 +563,9 @@ rt_notify_accepted(struct announce_hook *ah, net *net, rte *new_changed, rte *ol
    */
 
   /* Hack for changed filters */
-  if (old_changed && (old_changed->lastmod <= ah->last_out_filter_change))
+  if (old_changed &&
+      (p != old_changed->sender->proto) &&
+      (old_changed->lastmod <= ah->last_out_filter_change))
     {
       old_best = old_changed;
       goto found;