From 21c4c59587ddc48bf46b58c2f8ba7eac1f279a1e Mon Sep 17 00:00:00 2001
From: hackerman-kl <hackerman-kl@kebag-logic.com>
Date: Tue, 28 Apr 2026 07:40:21 +0200
Subject: [PATCH] milan-avb: gptp: use entity_id for management source port id

---
 src/modules/module-avb/gptp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/modules/module-avb/gptp.c b/src/modules/module-avb/gptp.c
index e3c5a9d03..fac694009 100644
--- a/src/modules/module-avb/gptp.c
+++ b/src/modules/module-avb/gptp.c
@@ -99,7 +99,7 @@ static bool update_ts_refclk(struct gptp *gptp)
 	req.ver = PTP_VERSION_1588_2008_2_1;
 	req.message_length_be = htons(sizeof(struct ptp_management_msg));
 	spa_zero(req.clock_identity);
-	req.source_port_id_be = htons(getpid());
+	req.source_port_id_be = htons((uint16_t)gptp->server->entity_id);
 	req.log_message_interval = PTP_DEFAULT_LOG_MESSAGE_INTERVAL;
 	req.sequence_id_be = htons(gptp->ptp_seq++);
 	memset(req.target_port_identity, 0xff, 8);