The OpenFlow specification says that only role changes to slave or master
check the generation ID, so this is a bug fix.
Found by OFTest.
Signed-off-by: Ben Pfaff <b...@nicira.com>
---
ofproto/ofproto.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/ofproto/ofproto.c b/ofproto/ofproto.c
index a724071..e9b1472 100644
--- a/ofproto/ofproto.c
+++ b/ofproto/ofproto.c
@@ -5315,7 +5315,8 @@ handle_role_request(struct ofconn *ofconn, const struct
ofp_header *oh)
}
if (request.role != OFPCR12_ROLE_NOCHANGE) {
- if (request.have_generation_id
+ if (request.role != OFPCR12_ROLE_EQUAL
+ && request.have_generation_id
&& !ofconn_set_master_election_id(ofconn, request.generation_id)) {
return OFPERR_OFPRRFC_STALE;
}
--
2.1.3
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