From 81b400cf900c530e170a1488222191c5568f6b2d Mon Sep 17 00:00:00 2001
From: Hugo Landau <hlandau@openssl.org>
Date: Tue, 23 May 2023 12:23:05 +0100
Subject: QUIC ACKM: Allow largest acked PN to be queried

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/21029)
---
 include/internal/quic_ackm.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'include')

diff --git a/include/internal/quic_ackm.h b/include/internal/quic_ackm.h
index 1fedc08769..7574c97a96 100644
--- a/include/internal/quic_ackm.h
+++ b/include/internal/quic_ackm.h
@@ -263,6 +263,9 @@ int ossl_ackm_mark_packet_pseudo_lost(OSSL_ACKM *ackm,
  */
 OSSL_TIME ossl_ackm_get_pto_duration(OSSL_ACKM *ackm);
 
+/* Returns the largest acked PN in the given PN space. */
+QUIC_PN ossl_ackm_get_largest_acked(OSSL_ACKM *ackm, int pkt_space);
+
 # endif
 
 #endif
-- 
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