[PATCH 11/16] ratp: consolidate ratp_sn_expected() and ratp_an_expected()

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This is no code change in ratp_sn_expected(), it's just rewritten in
the same way as ratp_an_expected(), which follows the RFC916 approach.

Signed-off-by: Aleksander Morgado <aleksander@xxxxxxxxxxxxx>
---
 lib/ratp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/ratp.c b/lib/ratp.c
index 5c52d3b5f..46a2b645c 100644
--- a/lib/ratp.c
+++ b/lib/ratp.c
@@ -359,7 +359,7 @@ static bool ratp_an_expected(struct ratp_internal *ri, struct ratp_header *hdr)
 
 static bool ratp_sn_expected(struct ratp_internal *ri, struct ratp_header *hdr)
 {
-	return ratp_sn(hdr) != ri->sn_received;
+	return ratp_sn(hdr) == (ri->sn_received + 1) % 2;
 }
 
 static int ratp_send_ack(struct ratp_internal *ri, struct ratp_header *hdr)
-- 
2.13.1


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