From 18df85af6d2ca628a1f0b5a56b785d0e493fa314 Mon Sep 17 00:00:00 2001
From: Jon Shallow <supjps-libcoap@jpshallow.com>
Date: Mon, 7 Sep 2026 16:46:51 +0100
Subject: [PATCH] Nits: Fix documentation

---
 include/coap3/coap_session.h | 10 +++++-----
 src/coap_net.c               |  2 ++
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/include/coap3/coap_session.h b/include/coap3/coap_session.h
index a4cc3d84..9e6913d6 100644
--- a/include/coap3/coap_session.h
+++ b/include/coap3/coap_session.h
@@ -683,7 +683,7 @@ const char *coap_endpoint_str(const coap_endpoint_t *endpoint);
  * The transmission parameters for CoAP rate control ("Congestion
  * Control" in stream-oriented protocols) are defined in
  * https://rfc-editor.org/rfc/rfc7252#section-4.8 and
- * https://rfc-editor.org/rfc/rfc9177#section-6.2
+ * https://rfc-editor.org/rfc/rfc9177#section-7.2
  * @{
  */
 
@@ -741,7 +741,7 @@ const char *coap_endpoint_str(const coap_endpoint_t *endpoint);
 /**
  * Number of Q-Block1 or Q-Block2 payloads that can be sent in a burst
  * before a delay has to kick in.
- * RFC9177 Section 6.2 Default value of MAX_PAYLOAD is 10
+ * RFC9177 Section 7.2 Default value of MAX_PAYLOAD is 10
  *
  * Configurable using coap_session_set_max_payloads()
  */
@@ -750,7 +750,7 @@ const char *coap_endpoint_str(const coap_endpoint_t *endpoint);
 /**
  * The number of times for requests for re-transmission of missing Q-Block1
  * when no response has been received.
- * RFC9177 Section 6.2 Default value of NON_MAX_RETRANSMIT is 4
+ * RFC9177 Section 7.2 Default value of NON_MAX_RETRANSMIT is 4
  *
  * Configurable using coap_session_set_non_max_retransmit()
  */
@@ -759,7 +759,7 @@ const char *coap_endpoint_str(const coap_endpoint_t *endpoint);
 /**
  * The delay (+ ACK_RANDOM_FACTOR) to introduce once NON MAX_PAYLOADS
  * Q-Block1 or Q-Block2 have been sent to reduce congestion control.
- * RFC9177 Section 6.2 Default value of NON_TIMEOUT is 2.
+ * RFC9177 Section 7.2 Default value of NON_TIMEOUT is 2.
  *
  * Configurable using coap_session_set_non_timeout()
  */
@@ -768,7 +768,7 @@ const char *coap_endpoint_str(const coap_endpoint_t *endpoint);
 /**
  * The time to wait for any missing Q-Block1 or Q-Block2 packets before
  * requesting re-transmission of missing packets.
- * RFC9177 Section 6.2 Default value of NON_RECEIVE_TIMEOUT is 4.
+ * RFC9177 Section 7.2 Default value of NON_RECEIVE_TIMEOUT is 4.
  *
  * Configurable using coap_session_set_non_receive_timeout()
  */
diff --git a/src/coap_net.c b/src/coap_net.c
index 024fa6c2..d7ddaa41 100644
--- a/src/coap_net.c
+++ b/src/coap_net.c
@@ -4708,6 +4708,8 @@ handle_signaling(coap_context_t *context, coap_session_t *session,
   } else if (pdu->code == COAP_SIGNALING_CODE_RELEASE
              || pdu->code == COAP_SIGNALING_CODE_ABORT) {
     coap_session_disconnected_lkd(session, COAP_NACK_RST);
+  } else {
+    coap_log_debug("PDU signaling code %u.%02u unknown\n", (pdu->code >> 5) & 0x7, pdu->code & 0x1f);
   }
 }
 #endif /* !COAP_DISABLE_TCP */