[quagga-dev 13567] [PATCH 10/22] BGP doesn't count a route with an unreachable nexthop in PfxRcd

Donald Sharp sharpd at cumulusnetworks.com
Tue Nov 10 01:21:50 GMT 2015


From: Daniel Walton <dwalton at cumulusnetworks.com>

Signed-off-by: Daniel Walton <dwalton at cumulusnetworks.com>
---
 bgpd/bgp_route.c |   12 ++++++------
 bgpd/bgp_route.h |    4 ++++
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/bgpd/bgp_route.c b/bgpd/bgp_route.c
index fa89b6c..5cc9809 100644
--- a/bgpd/bgp_route.c
+++ b/bgpd/bgp_route.c
@@ -247,7 +247,7 @@ bgp_pcount_adjust (struct bgp_node *rn, struct bgp_info *ri)
       || ri->peer == ri->peer->bgp->peer_self)
     return;
     
-  if (BGP_INFO_HOLDDOWN (ri)
+  if (!BGP_INFO_COUNTABLE (ri)
       && CHECK_FLAG (ri->flags, BGP_INFO_COUNTED))
     {
           
@@ -264,7 +264,7 @@ bgp_pcount_adjust (struct bgp_node *rn, struct bgp_info *ri)
           zlog_warn ("%s: Please report to Quagga bugzilla", __func__);
         }      
     }
-  else if (!BGP_INFO_HOLDDOWN (ri) 
+  else if (BGP_INFO_COUNTABLE (ri)
            && !CHECK_FLAG (ri->flags, BGP_INFO_COUNTED))
     {
       SET_FLAG (ri->flags, BGP_INFO_COUNTED);
@@ -281,8 +281,8 @@ bgp_info_set_flag (struct bgp_node *rn, struct bgp_info *ri, u_int32_t flag)
 {
   SET_FLAG (ri->flags, flag);
   
-  /* early bath if we know it's not a flag that changes useability state */
-  if (!CHECK_FLAG (flag, BGP_INFO_VALID|BGP_INFO_UNUSEABLE))
+  /* early bath if we know it's not a flag that changes countability state */
+  if (!CHECK_FLAG (flag, BGP_INFO_VALID|BGP_INFO_HISTORY|BGP_INFO_REMOVED))
     return;
   
   bgp_pcount_adjust (rn, ri);
@@ -293,8 +293,8 @@ bgp_info_unset_flag (struct bgp_node *rn, struct bgp_info *ri, u_int32_t flag)
 {
   UNSET_FLAG (ri->flags, flag);
   
-  /* early bath if we know it's not a flag that changes useability state */
-  if (!CHECK_FLAG (flag, BGP_INFO_VALID|BGP_INFO_UNUSEABLE))
+  /* early bath if we know it's not a flag that changes countability state */
+  if (!CHECK_FLAG (flag, BGP_INFO_VALID|BGP_INFO_HISTORY|BGP_INFO_REMOVED))
     return;
   
   bgp_pcount_adjust (rn, ri);
diff --git a/bgpd/bgp_route.h b/bgpd/bgp_route.h
index 7bd9ee2..ef7ffe2 100644
--- a/bgpd/bgp_route.h
+++ b/bgpd/bgp_route.h
@@ -136,6 +136,10 @@ struct bgp_static
   u_char tag[3];
 };
 
+#define BGP_INFO_COUNTABLE(BI) \
+  (! CHECK_FLAG ((BI)->flags, BGP_INFO_HISTORY) \
+   && ! CHECK_FLAG ((BI)->flags, BGP_INFO_REMOVED))
+
 /* Flags which indicate a route is unuseable in some form */
 #define BGP_INFO_UNUSEABLE \
   (BGP_INFO_HISTORY|BGP_INFO_DAMPED|BGP_INFO_REMOVED)
-- 
1.7.10.4





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