From 9a3dec0c01c67fd6ee10e499fc2abb139d077a2c Mon Sep 17 00:00:00 2001
From: Holger Hans Peter Freyther <zecke@selfish.org>
Date: Sun, 16 May 2010 08:15:40 +0800
Subject: gsm0808: Add API to wrap a GSM48 msg with a BSSMAP/DTAP msg.

---
 src/gsm0808.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src')

diff --git a/src/gsm0808.c b/src/gsm0808.c
index 114ddbf6..1dc035b3 100644
--- a/src/gsm0808.c
+++ b/src/gsm0808.c
@@ -266,6 +266,14 @@ struct msgb *gsm0808_create_assignment_failure(uint8_t cause, uint8_t *rr_cause)
 	return msg;
 }
 
+void gsm0808_prepend_dtap_header(struct msgb *msg, uint8_t link_id)
+{
+	uint8_t *hh = msgb_push(msg, 3);
+	hh[0] = BSSAP_MSG_DTAP;
+	hh[1] = link_id;
+	hh[2] = msg->len - 3;
+}
+
 static const struct tlv_definition bss_att_tlvdef = {
 	.def = {
 		[GSM0808_IE_IMSI]		    = { TLV_TYPE_TLV },
-- 
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