Change in libosmocore[master]: gsm0808: implement BSSMAP Classmark Request

[Neels Hofmeyr]

Neels Hofmeyr has uploaded this change for review. ( https://gerrit.osmocom.org/10911


Change subject: gsm0808: implement BSSMAP Classmark Request
......................................................................

gsm0808: implement BSSMAP Classmark Request

Related: OS#3043
Change-Id: I4a2e1d3923e33912579c4180aa1ff8e8f5abb7e7
---
M include/osmocom/gsm/gsm0808.h
M src/gsm/gsm0808.c
M src/gsm/libosmogsm.map
3 files changed, 15 insertions(+), 0 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/11/10911/1

diff --git a/include/osmocom/gsm/gsm0808.h b/include/osmocom/gsm/gsm0808.h
index 5ae0af8..f4fc7c4 100644
--- a/include/osmocom/gsm/gsm0808.h
+++ b/include/osmocom/gsm/gsm0808.h
@@ -51,6 +51,7 @@
 				   const uint8_t *cipher_response_mode);
 struct msgb *gsm0808_create_cipher_complete(struct msgb *layer3, uint8_t alg_id);
 struct msgb *gsm0808_create_cipher_reject(uint8_t cause);
+struct msgb *gsm0808_create_classmark_request();
 struct msgb *gsm0808_create_classmark_update(const uint8_t *cm2, uint8_t cm2_len,
 					     const uint8_t *cm3, uint8_t cm3_len);
 struct msgb *gsm0808_create_sapi_reject(uint8_t link_id);
diff --git a/src/gsm/gsm0808.c b/src/gsm/gsm0808.c
index e3b10d0..9a9f70e 100644
--- a/src/gsm/gsm0808.c
+++ b/src/gsm/gsm0808.c
@@ -341,6 +341,19 @@
 	return msg;
 }
 
+/*! Create BSSMAP Classmark Request message
+ *  \returns callee-allocated msgb with BSSMAP Classmark Request message */
+struct msgb *gsm0808_create_classmark_request()
+{
+	struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM,
+					       "classmark-request");
+	if (!msg)
+		return NULL;
+
+	msgb_v_put(msg, BSS_MAP_MSG_CLASSMARK_RQST);
+	msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg));
+	return msg;
+}
 
 /*! Create BSSMAP Classmark Update message
  *  \param[in] cm2 Classmark 2
diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index 60d6ed8..0c40c88 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -156,6 +156,7 @@
 gsm0808_create_cipher;
 gsm0808_create_cipher_complete;
 gsm0808_create_cipher_reject;
+gsm0808_create_classmark_request;
 gsm0808_create_classmark_update;
 gsm0808_create_clear_command;
 gsm0808_create_clear_complete;

-- 
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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I4a2e1d3923e33912579c4180aa1ff8e8f5abb7e7
Gerrit-Change-Number: 10911
Gerrit-PatchSet: 1
Gerrit-Owner: Neels Hofmeyr <nhofmeyr at sysmocom.de>
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