From 89e33f0f43c5d5309feed4960e07ce344e117bd6 Mon Sep 17 00:00:00 2001
From: Gatsby Van <mail.gatsby.icu>
Date: Wed, 20 Dec 2023 20:15:03 +0800
Subject: [PATCH] update comments.

---
 datalink814_ge/src/linklayer/net_mgmt.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/datalink814_ge/src/linklayer/net_mgmt.c b/datalink814_ge/src/linklayer/net_mgmt.c
index 2083ff8..7a6eb13 100644
--- a/datalink814_ge/src/linklayer/net_mgmt.c
+++ b/datalink814_ge/src/linklayer/net_mgmt.c
@@ -425,6 +425,16 @@ static int32_t MgmtMsg_Packing(L2_INST* instPtr, BIT_ARRAY* bitarr, L2_MSG_TYPE
 
 
 /*****************************************************************************/
+/**
+ * @brief   Packing management message to a bit array.
+ *
+ * @param   instPtr a pointer to l2 instance.
+ * @param   pktType	packet type.
+ *
+ * @return	SUCCESS
+ * 			error code
+ *
+ ******************************************************************************/
 static int32_t MgmtPkt_Packing(L2_INST* instPtr, MGMTPKT_TYPE pktType) {
 	ASSERT(instPtr != NULL);
 	uint8_t* buff = instPtr->sendPktData;