Enhance a function that permits knowing if two entries belong to the
same multipath group.
Signed-off-by: Philippe Guibert <philippe.guib...@6wind.com>
---
bgpd/bgp_mpath.c | 15 +++++++++++++++
bgpd/bgp_mpath.h | 1 +
2 files changed, 16 insertions(+)
diff --git a/bgpd/bgp_mpath.c b/bgpd/bgp_mpath.c
index 6465aad1d99a..87f3e1eab461 100644
--- a/bgpd/bgp_mpath.c
+++ b/bgpd/bgp_mpath.c
@@ -781,3 +781,18 @@ bgp_info_mpath_aggregate_update (struct bgp_info *new_best,
else
bgp_attr_unintern (&new_attr);
}
+
+/* returns 1 if ri is part of the mpath list from new_select */
+int bgp_is_mpath_entry(struct bgp_info *ri, struct bgp_info *curr)
+{
+ struct bgp_info *mpinfo;
+
+ /* not a multipath entry */
+ if(!curr || !curr->mpath)
+ return 0;
+ for (mpinfo = bgp_info_mpath_first (curr); mpinfo;
+ mpinfo = bgp_info_mpath_next (mpinfo))
+ if(mpinfo == ri)
+ return 1;
+ return 0;
+}
diff --git a/bgpd/bgp_mpath.h b/bgpd/bgp_mpath.h
index 2a84d5e1e21b..2b3eaf51901f 100644
--- a/bgpd/bgp_mpath.h
+++ b/bgpd/bgp_mpath.h
@@ -78,5 +78,6 @@ extern struct bgp_info *bgp_info_mpath_next (struct bgp_info
*);
/* Accessors for multipath information */
extern u_int32_t bgp_info_mpath_count (struct bgp_info *);
extern struct attr *bgp_info_mpath_attr (struct bgp_info *);
+extern int bgp_is_mpath_entry(struct bgp_info *ri, struct bgp_info *curr);
#endif /* _QUAGGA_BGP_MPATH_H */
--
2.1.4
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