[MERGED] osmo-bsc[master]: libcommon_cs: move gsm48 bits to libbsc

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Neels Hofmeyr gerrit-no-reply at lists.osmocom.org
Wed Feb 14 23:46:48 UTC 2018 

Neels Hofmeyr has submitted this change and it was merged.

Change subject: libcommon_cs: move gsm48 bits to libbsc
......................................................................


libcommon_cs: move gsm48 bits to libbsc

These functions were originally shared between libmsc and libbsc in the old
openbsc.git; now osmo-bsc.git has its own copies, so move them into libbsc.

Change-Id: Ie411c2ce8008accee54782a442d6361e50777a54
---
M include/osmocom/bsc/common_cs.h
M include/osmocom/bsc/gsm_04_08_utils.h
M src/libbsc/gsm_04_08_utils.c
M src/libcommon-cs/common_cs.c
M src/libfilter/bsc_msg_filter.c
M src/osmo-bsc/osmo_bsc_filter.c
6 files changed, 65 insertions(+), 63 deletions(-)

Approvals:
  Harald Welte: Looks good to me, approved
  Jenkins Builder: Verified



diff --git a/include/osmocom/bsc/common_cs.h b/include/osmocom/bsc/common_cs.h
index 432d4d5..dccc7b5 100644
--- a/include/osmocom/bsc/common_cs.h
+++ b/include/osmocom/bsc/common_cs.h
@@ -19,9 +19,3 @@
 int common_cs_vty_init(struct gsm_network *network,
                  int (* config_write_net )(struct vty *));
 struct gsm_network *gsmnet_from_vty(struct vty *v);
-
-struct msgb *gsm48_create_mm_serv_rej(enum gsm48_reject_value value);
-int gsm48_extract_mi(uint8_t *classmark2_lv, int length, char *mi_string, uint8_t *mi_type);
-int gsm48_paging_extract_mi(struct gsm48_pag_resp *resp, int length,
-			    char *mi_string, uint8_t *mi_type);
-struct msgb *gsm48_create_loc_upd_rej(uint8_t cause);
diff --git a/include/osmocom/bsc/gsm_04_08_utils.h b/include/osmocom/bsc/gsm_04_08_utils.h
index 625f173..34979ab 100644
--- a/include/osmocom/bsc/gsm_04_08_utils.h
+++ b/include/osmocom/bsc/gsm_04_08_utils.h
@@ -22,6 +22,12 @@
 int gsm48_tx_mm_serv_rej(struct gsm_subscriber_connection *conn,
 			 enum gsm48_reject_value value);
 
+struct msgb *gsm48_create_mm_serv_rej(enum gsm48_reject_value value);
+int gsm48_extract_mi(uint8_t *classmark2_lv, int length, char *mi_string, uint8_t *mi_type);
+int gsm48_paging_extract_mi(struct gsm48_pag_resp *resp, int length,
+			    char *mi_string, uint8_t *mi_type);
+struct msgb *gsm48_create_loc_upd_rej(uint8_t cause);
+
 #define GSM48_ALLOC_SIZE        2048
 #define GSM48_ALLOC_HEADROOM    256
 
diff --git a/src/libbsc/gsm_04_08_utils.c b/src/libbsc/gsm_04_08_utils.c
index 85eb7b5..3004e5d 100644
--- a/src/libbsc/gsm_04_08_utils.c
+++ b/src/libbsc/gsm_04_08_utils.c
@@ -636,3 +636,60 @@
 
 	return gsm0808_submit_dtap(conn, msg, 0, 0);
 }
+
+struct msgb *gsm48_create_mm_serv_rej(enum gsm48_reject_value value)
+{
+	struct msgb *msg;
+	struct gsm48_hdr *gh;
+
+	msg = gsm48_msgb_alloc_name("GSM 04.08 SERV REJ");
+	if (!msg)
+		return NULL;
+
+	gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh) + 1);
+	gh->proto_discr = GSM48_PDISC_MM;
+	gh->msg_type = GSM48_MT_MM_CM_SERV_REJ;
+	gh->data[0] = value;
+
+	return msg;
+}
+
+struct msgb *gsm48_create_loc_upd_rej(uint8_t cause)
+{
+	struct gsm48_hdr *gh;
+	struct msgb *msg;
+
+	msg = gsm48_msgb_alloc_name("GSM 04.08 LOC UPD REJ");
+	if (!msg)
+		return NULL;
+
+	gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh) + 1);
+	gh->proto_discr = GSM48_PDISC_MM;
+	gh->msg_type = GSM48_MT_MM_LOC_UPD_REJECT;
+	gh->data[0] = cause;
+	return msg;
+}
+
+int gsm48_extract_mi(uint8_t *classmark2_lv, int length, char *mi_string, uint8_t *mi_type)
+{
+	/* Check the size for the classmark */
+	if (length < 1 + *classmark2_lv)
+		return -1;
+
+	uint8_t *mi_lv = classmark2_lv + *classmark2_lv + 1;
+	if (length < 2 + *classmark2_lv + mi_lv[0])
+		return -2;
+
+	*mi_type = mi_lv[1] & GSM_MI_TYPE_MASK;
+	return gsm48_mi_to_string(mi_string, GSM48_MI_SIZE, mi_lv+1, *mi_lv);
+}
+
+int gsm48_paging_extract_mi(struct gsm48_pag_resp *resp, int length,
+			    char *mi_string, uint8_t *mi_type)
+{
+	static const uint32_t classmark_offset =
+		offsetof(struct gsm48_pag_resp, classmark2);
+	uint8_t *classmark2_lv = (uint8_t *) &resp->classmark2;
+	return gsm48_extract_mi(classmark2_lv, length - classmark_offset,
+				mi_string, mi_type);
+}
diff --git a/src/libcommon-cs/common_cs.c b/src/libcommon-cs/common_cs.c
index 0520e96..9307f63 100644
--- a/src/libcommon-cs/common_cs.c
+++ b/src/libcommon-cs/common_cs.c
@@ -30,59 +30,3 @@
 #include <osmocom/bsc/gsm_data.h>
 #include <osmocom/bsc/gsm_04_08_utils.h>
 
-struct msgb *gsm48_create_mm_serv_rej(enum gsm48_reject_value value)
-{
-	struct msgb *msg;
-	struct gsm48_hdr *gh;
-
-	msg = gsm48_msgb_alloc_name("GSM 04.08 SERV REJ");
-	if (!msg)
-		return NULL;
-
-	gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh) + 1);
-	gh->proto_discr = GSM48_PDISC_MM;
-	gh->msg_type = GSM48_MT_MM_CM_SERV_REJ;
-	gh->data[0] = value;
-
-	return msg;
-}
-
-struct msgb *gsm48_create_loc_upd_rej(uint8_t cause)
-{
-	struct gsm48_hdr *gh;
-	struct msgb *msg;
-
-	msg = gsm48_msgb_alloc_name("GSM 04.08 LOC UPD REJ");
-	if (!msg)
-		return NULL;
-
-	gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh) + 1);
-	gh->proto_discr = GSM48_PDISC_MM;
-	gh->msg_type = GSM48_MT_MM_LOC_UPD_REJECT;
-	gh->data[0] = cause;
-	return msg;
-}
-
-int gsm48_extract_mi(uint8_t *classmark2_lv, int length, char *mi_string, uint8_t *mi_type)
-{
-	/* Check the size for the classmark */
-	if (length < 1 + *classmark2_lv)
-		return -1;
-
-	uint8_t *mi_lv = classmark2_lv + *classmark2_lv + 1;
-	if (length < 2 + *classmark2_lv + mi_lv[0])
-		return -2;
-
-	*mi_type = mi_lv[1] & GSM_MI_TYPE_MASK;
-	return gsm48_mi_to_string(mi_string, GSM48_MI_SIZE, mi_lv+1, *mi_lv);
-}
-
-int gsm48_paging_extract_mi(struct gsm48_pag_resp *resp, int length,
-			    char *mi_string, uint8_t *mi_type)
-{
-	static const uint32_t classmark_offset =
-		offsetof(struct gsm48_pag_resp, classmark2);
-	uint8_t *classmark2_lv = (uint8_t *) &resp->classmark2;
-	return gsm48_extract_mi(classmark2_lv, length - classmark_offset,
-				mi_string, mi_type);
-}
diff --git a/src/libfilter/bsc_msg_filter.c b/src/libfilter/bsc_msg_filter.c
index 816ed94..56ddf67 100644
--- a/src/libfilter/bsc_msg_filter.c
+++ b/src/libfilter/bsc_msg_filter.c
@@ -28,7 +28,7 @@
 #include <osmocom/bsc/gsm_data.h>
 #include <osmocom/bsc/debug.h>
 #include <osmocom/bsc/ipaccess.h>
-#include <osmocom/bsc/common_cs.h>
+#include <osmocom/bsc/gsm_04_08_utils.h>
 
 #include <osmocom/core/talloc.h>
 #include <osmocom/gsm/gsm0808.h>
diff --git a/src/osmo-bsc/osmo_bsc_filter.c b/src/osmo-bsc/osmo_bsc_filter.c
index 56c0a9c..78b2c05 100644
--- a/src/osmo-bsc/osmo_bsc_filter.c
+++ b/src/osmo-bsc/osmo_bsc_filter.c
@@ -22,6 +22,7 @@
 #include <osmocom/bsc/osmo_bsc.h>
 #include <osmocom/bsc/bsc_msc_data.h>
 #include <osmocom/bsc/gsm_04_80.h>
+#include <osmocom/bsc/gsm_04_08_utils.h>
 #include <osmocom/bsc/bsc_subscriber.h>
 #include <osmocom/bsc/debug.h>
 #include <osmocom/bsc/paging.h>

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Gerrit-MessageType: merged
Gerrit-Change-Id: Ie411c2ce8008accee54782a442d6361e50777a54
Gerrit-PatchSet: 4
Gerrit-Project: osmo-bsc
Gerrit-Branch: master
Gerrit-Owner: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: Neels Hofmeyr <nhofmeyr at sysmocom.de>

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