From: Donald Sharp <sharpd@cumulusnetwroks.com>
Date: Fri, 22 Jul 2016 13:26:30 +0000 (-0400)
Subject: pimd: Start switchover to using a PRUNE (S,G) for uninteresting streams
X-Git-Tag: frr-3.0-branchpoint~64^2~10^2~366
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=9fd309db2d88eeba9d2828fb5fe47516f51cbec1;p=matthieu%2Ffrr.git

pimd: Start switchover to using a PRUNE (S,G) for uninteresting streams

When we receive a register for a (S,G) that we have no interest in
prune it off and send the register stop.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
---

diff --git a/pimd/pim_register.c b/pimd/pim_register.c
index d6c8fecd9f..8c9e6c7810 100644
--- a/pimd/pim_register.c
+++ b/pimd/pim_register.c
@@ -313,6 +313,12 @@ pim_register_recv (struct interface *ifp,
      * If we don't have a place to send ignore the packet
      */
     if (!upstream)
+      {
+	upstream = pim_upstream_add (source, group, ifp);
+	pim_upstream_switch (upstream, PIM_UPSTREAM_PRUNE);
+      }
+
+    if (upstream->join_state == PIM_UPSTREAM_PRUNE)
       {
 	pim_register_stop_send (ifp, source, group, src_addr);
 	return 1;