From de17f14da45c47684fdfef6690c8c154f5b05f89 Mon Sep 17 00:00:00 2001
From: hackerman-kl <hackerman-kl@kebag-logic.com>
Date: Sun, 26 Apr 2026 16:05:57 +0200
Subject: [PATCH] milan-avb: introducing GET_AS_PATH and GET/SET_MAX_TRANSIT

---
 src/modules/meson.build                       |  2 ++
 .../cmd-get-set-max-transit-time.c            | 30 +++++++++++++++++++
 .../cmd-get-set-max-transit-time.h            | 14 +++++++++
 3 files changed, 46 insertions(+)
 create mode 100644 src/modules/module-avb/aecp-aem-cmds-resps/cmd-get-set-max-transit-time.c
 create mode 100644 src/modules/module-avb/aecp-aem-cmds-resps/cmd-get-set-max-transit-time.h

diff --git a/src/modules/meson.build b/src/modules/meson.build
index 9fd36c41d..203ef09a5 100644
--- a/src/modules/meson.build
+++ b/src/modules/meson.build
@@ -814,6 +814,8 @@ if build_module_avb
       'module-avb/aecp-aem-cmds-resps/cmd-get-set-stream-info.c',
       'module-avb/aecp-aem-cmds-resps/cmd-start-stop-streaming.c',
       'module-avb/aecp-aem-cmds-resps/cmd-get-counters.c',
+      'module-avb/aecp-aem-cmds-resps/cmd-get-as-path.c',
+      'module-avb/aecp-aem-cmds-resps/cmd-get-set-max-transit-time.c',
       'module-avb/aecp-aem-cmds-resps/reply-unsol-helpers.c',
       'module-avb/es-builder.c',
       'module-avb/avdecc.c',
diff --git a/src/modules/module-avb/aecp-aem-cmds-resps/cmd-get-set-max-transit-time.c b/src/modules/module-avb/aecp-aem-cmds-resps/cmd-get-set-max-transit-time.c
new file mode 100644
index 000000000..d036c568f
--- /dev/null
+++ b/src/modules/module-avb/aecp-aem-cmds-resps/cmd-get-set-max-transit-time.c
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: MIT */
+
+#include <pipewire/pipewire.h>
+
+#include "../aecp.h"
+#include "../aecp-aem.h"
+
+#include "cmd-get-set-max-transit-time.h"
+#include "cmd-resp-helpers.h"
+
+/* IEEE 1722.1-2021 Section 7.4.39 GET/SET_MAX_TRANSIT_TIME — talker side
+ * presentation-time-offset query/set. Stubbed as NOT_IMPLEMENTED for now;
+ * the descriptor's max_transit_time_ns field, the MSRP accumulated_latency
+ * floor, and the stream->mtt propagation hook are already in place
+ * (aecp-aem-state.h, es-builder.c, stream.c) so flipping this on later is
+ * just replacing these two bodies. */
+
+int handle_cmd_get_max_transit_time_milan_v12(struct aecp *aecp, int64_t now,
+		const void *m, int len)
+{
+	(void)now;
+	return reply_not_implemented(aecp, m, len);
+}
+
+int handle_cmd_set_max_transit_time_milan_v12(struct aecp *aecp, int64_t now,
+		const void *m, int len)
+{
+	(void)now;
+	return reply_not_implemented(aecp, m, len);
+}
diff --git a/src/modules/module-avb/aecp-aem-cmds-resps/cmd-get-set-max-transit-time.h b/src/modules/module-avb/aecp-aem-cmds-resps/cmd-get-set-max-transit-time.h
new file mode 100644
index 000000000..b3992fb30
--- /dev/null
+++ b/src/modules/module-avb/aecp-aem-cmds-resps/cmd-get-set-max-transit-time.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: MIT */
+
+#ifndef __AVB_AECP_AEM_CMD_GET_SET_MAX_TRANSIT_TIME_H__
+#define __AVB_AECP_AEM_CMD_GET_SET_MAX_TRANSIT_TIME_H__
+
+#include "../aecp.h"
+
+int handle_cmd_get_max_transit_time_milan_v12(struct aecp *aecp, int64_t now,
+	const void *m, int len);
+
+int handle_cmd_set_max_transit_time_milan_v12(struct aecp *aecp, int64_t now,
+	const void *m, int len);
+
+#endif /* __AVB_AECP_AEM_CMD_GET_SET_MAX_TRANSIT_TIME_H__ */