From 007f9e99ea92989d304584803e693fc90fb6af94 Mon Sep 17 00:00:00 2001
From: Hugo Landau <hlandau@openssl.org>
Date: Tue, 23 May 2023 12:23:06 +0100
Subject: QUIC TXP: Allow next PN to be used 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)
---
 ssl/quic/quic_txp.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'ssl')

diff --git a/ssl/quic/quic_txp.c b/ssl/quic/quic_txp.c
index f117b246aa..08f3d7f7b6 100644
--- a/ssl/quic/quic_txp.c
+++ b/ssl/quic/quic_txp.c
@@ -2385,3 +2385,12 @@ void ossl_quic_tx_packetiser_set_msg_callback_arg(OSSL_QUIC_TX_PACKETISER *txp,
 {
     txp->msg_callback_arg = msg_callback_arg;
 }
+
+QUIC_PN ossl_quic_tx_packetiser_get_next_pn(OSSL_QUIC_TX_PACKETISER *txp,
+                                            uint32_t pn_space)
+{
+    if (pn_space >= QUIC_PN_SPACE_NUM)
+        return UINT64_MAX;
+
+    return txp->next_pn[pn_space];
+}
-- 
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