Merge commit '620f7ab35034f78f894319e027a151568c331eea'

13 files changed, 186 insertions, 17 deletions

diff --git a/src/shared/libosmocore/include/osmocom/core/Makefile.am b/src/shared/libosmocore/include/osmocom/core/Makefile.am
index 3c30362c..1ef37693 100644
--- a/src/shared/libosmocore/include/osmocom/core/Makefile.am
+++ b/src/shared/libosmocore/include/osmocom/core/Makefile.am
@@ -1,6 +1,6 @@
 osmocore_HEADERS = signal.h linuxlist.h timer.h select.h msgb.h bits.h \
 		   bitvec.h statistics.h utils.h socket.h \
-		   gsmtap.h write_queue.h \
+		   gsmtap.h write_queue.h prim.h \
 		   logging.h rate_ctr.h gsmtap_util.h \
 		   plugin.h crc16.h panic.h process.h msgfile.h \
 		   backtrace.h conv.h application.h
diff --git a/src/shared/libosmocore/include/osmocom/core/prim.h b/src/shared/libosmocore/include/osmocom/core/prim.h
new file mode 100644
index 00000000..e892c62c
--- /dev/null
+++ b/src/shared/libosmocore/include/osmocom/core/prim.h
@@ -0,0 +1,38 @@
+#ifndef OSMO_PRIMITIVE_H
+#define OSMO_PRIMITIVE_H
+
+#include <stdint.h>
+#include <osmocom/core/msgb.h>
+
+enum osmo_prim_operation {
+	PRIM_OP_REQUEST,
+	PRIM_OP_RESPONSE,
+	PRIM_OP_INDICATION,
+	PRIM_OP_CONFIRM,
+};
+
+#define _SAP_GSM_SHIFT	24
+
+#define _SAP_GSM_BASE	(0x01 << _SAP_GSM_SHIFT)
+#define _SAP_TETRA_BASE	(0x02 << _SAP_GSM_SHIFT)
+
+struct osmo_prim_hdr {
+	unsigned int sap;
+	unsigned int primitive;
+	enum osmo_prim_operation operation;
+	struct msgb *msg;	/* message containing associated data */
+};
+
+static inline void
+osmo_prim_init(struct osmo_prim_hdr *oph, unsigned int sap,
+		unsigned int primitive, enum osmo_prim_operation operation,
+		struct msgb *msg)
+{
+	oph->sap = sap;
+	oph->primitive = primitive;
+	oph->operation = operation;
+	oph->msg = msg;
+}
+
+typedef int (*osmo_prim_cb)(struct osmo_prim_hdr *oph, void *ctx);
+#endif
diff --git a/src/shared/libosmocore/include/osmocom/core/socket.h b/src/shared/libosmocore/include/osmocom/core/socket.h
index b2601c76..612b12c8 100644
--- a/src/shared/libosmocore/include/osmocom/core/socket.h
+++ b/src/shared/libosmocore/include/osmocom/core/socket.h
@@ -5,14 +5,19 @@
 
 struct sockaddr;
 
+/* flags for osmo_sock_init. */
+#define OSMO_SOCK_F_CONNECT	(1 << 0)
+#define OSMO_SOCK_F_BIND	(1 << 1)
+#define OSMO_SOCK_F_NONBLOCK	(1 << 2)
+
 int osmo_sock_init(uint16_t family, uint16_t type, uint8_t proto,
-		   const char *host, uint16_t port, int connect0_bind1);
+		   const char *host, uint16_t port, unsigned int flags);
 
 int osmo_sock_init_ofd(struct osmo_fd *ofd, int family, int type, int proto,
-			const char *host, uint16_t port, int connect0_bind1);
+			const char *host, uint16_t port, unsigned int flags);
 
 int osmo_sock_init_sa(struct sockaddr *ss, uint16_t type,
-		      uint8_t proto, int connect0_bind1);
+		      uint8_t proto, unsigned int flags);
 
 /* determine if the given address is a local address */
 int osmo_sockaddr_is_local(struct sockaddr *addr, unsigned int addrlen);
diff --git a/src/shared/libosmocore/include/osmocom/gsm/Makefile.am b/src/shared/libosmocore/include/osmocom/gsm/Makefile.am
index 547933ec..aa7b1a9a 100644
--- a/src/shared/libosmocore/include/osmocom/gsm/Makefile.am
+++ b/src/shared/libosmocore/include/osmocom/gsm/Makefile.am
@@ -1,6 +1,6 @@
 osmogsm_HEADERS = a5.h comp128.h gsm0808.h gsm48_ie.h mncc.h rxlev_stat.h \
 		  gsm0480.h gsm48.h gsm_utils.h rsl.h tlv.h abis_nm.h \
-		  sysinfo.h
+		  sysinfo.h prim.h
 
 SUBDIRS = protocol
 
diff --git a/src/shared/libosmocore/include/osmocom/gsm/abis_nm.h b/src/shared/libosmocore/include/osmocom/gsm/abis_nm.h
index dcc8d4bb..3f5335e2 100644
--- a/src/shared/libosmocore/include/osmocom/gsm/abis_nm.h
+++ b/src/shared/libosmocore/include/osmocom/gsm/abis_nm.h
@@ -2,8 +2,12 @@
 #define _OSMO_GSM_ABIS_NM_H
 
 #include <osmocom/gsm/tlv.h>
+#include <osmocom/gsm/gsm_utils.h>
 #include <osmocom/gsm/protocol/gsm_12_21.h>
 
+enum abis_nm_msgtype;
+enum gsm_phys_chan_config;
+
 const enum abis_nm_msgtype abis_nm_reports[4];
 const enum abis_nm_msgtype abis_nm_no_ack_nack[3];
 const enum abis_nm_msgtype abis_nm_sw_load_msgs[9];
diff --git a/src/shared/libosmocore/include/osmocom/gsm/prim.h b/src/shared/libosmocore/include/osmocom/gsm/prim.h
new file mode 100644
index 00000000..95cbb120
--- /dev/null
+++ b/src/shared/libosmocore/include/osmocom/gsm/prim.h
@@ -0,0 +1,13 @@
+#ifndef OSMO_GSM_PRIM_H
+#define OSMO_GSM_PRIM_H
+
+#include <osmocom/core/prim.h>
+
+/* enumeration of GSM related SAPs */
+enum osmo_gsm_sap {
+	SAP_GSM_PH	= _SAP_GSM_BASE,
+	SAP_GSM_DL,
+	SAP_GSM_MDL,
+};
+
+#endif
diff --git a/src/shared/libosmocore/include/osmocom/gsm/protocol/gsm_08_58.h b/src/shared/libosmocore/include/osmocom/gsm/protocol/gsm_08_58.h
index 74a4083b..9b641b34 100644
--- a/src/shared/libosmocore/include/osmocom/gsm/protocol/gsm_08_58.h
+++ b/src/shared/libosmocore/include/osmocom/gsm/protocol/gsm_08_58.h
@@ -426,7 +426,7 @@ struct rsl_ie_chan_ident {
 #define RSL_SYSTEM_INFO_5bis	0x0d
 #define RSL_SYSTEM_INFO_5ter	0x0e
 #define RSL_SYSTEM_INFO_10	0x0f
-#define REL_EXT_MEAS_ORDER	0x47
+#define RSL_EXT_MEAS_ORDER	0x47
 #define RSL_MEAS_INFO		0x48
 #define RSL_SYSTEM_INFO_13	0x28
 #define RSL_SYSTEM_INFO_2quater	0x29
diff --git a/src/shared/libosmocore/include/osmocom/gsm/rsl.h b/src/shared/libosmocore/include/osmocom/gsm/rsl.h
index 7e46330f..2eb045f2 100644
--- a/src/shared/libosmocore/include/osmocom/gsm/rsl.h
+++ b/src/shared/libosmocore/include/osmocom/gsm/rsl.h
@@ -23,6 +23,7 @@ const char *rsl_chan_nr_str(uint8_t chan_nr);
 
 const char *rsl_err_name(uint8_t err);
 const char *rsl_rlm_cause_name(uint8_t err);
+const char *rsl_msg_name(uint8_t err);
 
 /* Section 3.3.2.3 TS 05.02. I think this looks like a table */
 int rsl_ccch_conf_to_bs_cc_chans(int ccch_conf);
diff --git a/src/shared/libosmocore/include/osmocom/gsm/sysinfo.h b/src/shared/libosmocore/include/osmocom/gsm/sysinfo.h
index a66f3f19..b808d6f9 100644
--- a/src/shared/libosmocore/include/osmocom/gsm/sysinfo.h
+++ b/src/shared/libosmocore/include/osmocom/gsm/sysinfo.h
@@ -1,6 +1,7 @@
 #ifndef _OSMO_GSM_SYSINFO_H
 #define _OSMO_GSM_SYSINFO_H
 
+#include <osmocom/core/utils.h>
 #include <osmocom/gsm/protocol/gsm_04_08.h>
 
 enum osmo_sysinfo_type {
@@ -26,6 +27,8 @@ enum osmo_sysinfo_type {
 	SYSINFO_TYPE_2quater,
 	SYSINFO_TYPE_5bis,
 	SYSINFO_TYPE_5ter,
+	SYSINFO_TYPE_EMO,
+	SYSINFO_TYPE_MEAS_INFO,
 	/* FIXME all the various bis and ter */
 	_MAX_SYSINFO_TYPE
 };
diff --git a/src/shared/libosmocore/src/gsm/rsl.c b/src/shared/libosmocore/src/gsm/rsl.c
index 12ac0cfb..c497ba95 100644
--- a/src/shared/libosmocore/src/gsm/rsl.c
+++ b/src/shared/libosmocore/src/gsm/rsl.c
@@ -250,6 +250,82 @@ const char *rsl_err_name(uint8_t err)
 	return get_value_string(rsl_err_vals, err);
 }
 
+/* Names for Radio Link Layer Management */
+static const struct value_string rsl_msgt_names[] = {
+	{ RSL_MT_DATA_REQ,		"DATA_REQ" },
+	{ RSL_MT_DATA_IND,		"DATA_IND" },
+	{ RSL_MT_ERROR_IND,		"ERROR_IND" },
+	{ RSL_MT_EST_REQ,		"EST_REQ" },
+	{ RSL_MT_EST_CONF,		"EST_CONF" },
+	{ RSL_MT_EST_IND,		"EST_IND" },
+	{ RSL_MT_REL_REQ,		"REL_REQ" },
+	{ RSL_MT_REL_CONF,		"REL_CONF" },
+	{ RSL_MT_REL_IND,		"REL_IND" },
+	{ RSL_MT_UNIT_DATA_REQ,		"UNIT_DATA_REQ" },
+	{ RSL_MT_UNIT_DATA_IND,		"UNIT_DATA_IND" },
+	{ RSL_MT_SUSP_REQ,		"SUSP_REQ" },
+	{ RSL_MT_SUSP_CONF,		"SUSP_CONF" },
+	{ RSL_MT_RES_REQ,		"RES_REQ" },
+	{ RSL_MT_RECON_REQ,		"RECON_REQ" },
+
+	{ RSL_MT_BCCH_INFO,		"BCCH_INFO" },
+	{ RSL_MT_CCCH_LOAD_IND,		"CCCH_LOAD_IND" },
+	{ RSL_MT_CHAN_RQD,		"CHAN_RQD" },
+	{ RSL_MT_DELETE_IND,		"DELETE_IND" },
+	{ RSL_MT_PAGING_CMD,		"PAGING_CMD" },
+	{ RSL_MT_IMMEDIATE_ASSIGN_CMD,	"IMM_ASS_CMD" },
+	{ RSL_MT_SMS_BC_REQ,		"SMS_BC_REQ" },
+	{ RSL_MT_CHAN_CONF,		"CHAN_CONF" },
+
+	{ RSL_MT_RF_RES_IND,		"RF_RES_IND" },
+	{ RSL_MT_SACCH_FILL,		"SACCH_FILL" },
+	{ RSL_MT_OVERLOAD,		"OVERLOAD" },
+	{ RSL_MT_ERROR_REPORT,		"ERROR_REPORT" },
+	{ RSL_MT_SMS_BC_CMD,		"SMS_BC_CMD" },
+	{ RSL_MT_CBCH_LOAD_IND,		"CBCH_LOAD_IND" },
+	{ RSL_MT_NOT_CMD,		"NOTIFY_CMD" },
+
+	{ RSL_MT_CHAN_ACTIV,		"CHAN_ACTIV" },
+	{ RSL_MT_CHAN_ACTIV_ACK,	"CHAN_ACTIV_ACK" },
+	{ RSL_MT_CHAN_ACTIV_NACK,	"CHAN_ACTIV_NACK" },
+	{ RSL_MT_CONN_FAIL,		"CONN_FAIL" },
+	{ RSL_MT_DEACTIVATE_SACCH,	"DEACTIVATE_SACCH" },
+	{ RSL_MT_ENCR_CMD,		"ENCR_CMD" },
+	{ RSL_MT_HANDO_DET,		"HANDOVER_DETECT" },
+	{ RSL_MT_MEAS_RES,		"MEAS_RES" },
+	{ RSL_MT_MODE_MODIFY_REQ,	"MODE_MODIFY_REQ" },
+	{ RSL_MT_MODE_MODIFY_ACK,	"MODE_MODIFY_ACK" },
+	{ RSL_MT_MODE_MODIFY_NACK,	"MODE_MODIFY_NACK" },
+	{ RSL_MT_PHY_CONTEXT_REQ,	"PHY_CONTEXT_REQ" },
+	{ RSL_MT_PHY_CONTEXT_CONF,	"PHY_CONTEXT_CONF" },
+	{ RSL_MT_RF_CHAN_REL,		"RF_CHAN_REL" },
+	{ RSL_MT_MS_POWER_CONTROL,	"MS_POWER_CONTROL" },
+	{ RSL_MT_BS_POWER_CONTROL,	"BS_POWER_CONTROL" },
+	{ RSL_MT_PREPROC_CONFIG,	"PREPROC_CONFIG" },
+	{ RSL_MT_PREPROC_MEAS_RES,	"PREPROC_MEAS_RES" },
+	{ RSL_MT_RF_CHAN_REL_ACK,	"RF_CHAN_REL_ACK" },
+	{ RSL_MT_SACCH_INFO_MODIFY,	"SACCH_INFO_MODIFY" },
+	{ RSL_MT_TALKER_DET,		"TALKER_DETECT" },
+	{ RSL_MT_LISTENER_DET,		"LISTENER_DETECT" },
+	{ RSL_MT_REMOTE_CODEC_CONF_REP,	"REM_CODEC_CONF_REP" },
+	{ RSL_MT_RTD_REP,		"RTD_REQ" },
+	{ RSL_MT_PRE_HANDO_NOTIF,	"HANDO_NOTIF" },
+	{ RSL_MT_MR_CODEC_MOD_REQ,	"CODEC_MOD_REQ" },
+	{ RSL_MT_MR_CODEC_MOD_ACK,	"CODEC_MOD_ACK" },
+	{ RSL_MT_MR_CODEC_MOD_NACK,	"CODEC_MOD_NACK" },
+	{ RSL_MT_MR_CODEC_MOD_PER,	"CODEC_MODE_PER" },
+	{ RSL_MT_TFO_REP,		"TFO_REP" },
+	{ RSL_MT_TFO_MOD_REQ,		"TFO_MOD_REQ" },
+	{ RSL_MT_LOCATION_INFO,		"LOCATION_INFO" },
+	{ 0,				NULL }
+};
+
+
+const char *rsl_msg_name(uint8_t msg_type)
+{
+	return get_value_string(rsl_msgt_names, msg_type);
+}
+
 static const struct value_string rsl_rlm_cause_strs[] = {
 	{ RLL_CAUSE_T200_EXPIRED,	"Timer T200 expired (N200+1) times" },
 	{ RLL_CAUSE_REEST_REQ,		"Re-establishment request" },
diff --git a/src/shared/libosmocore/src/gsm/sysinfo.c b/src/shared/libosmocore/src/gsm/sysinfo.c
index 9df18877..1408f6bf 100644
--- a/src/shared/libosmocore/src/gsm/sysinfo.c
+++ b/src/shared/libosmocore/src/gsm/sysinfo.c
@@ -68,6 +68,8 @@ static const uint8_t sitype2rsl[_MAX_SYSINFO_TYPE] = {
 	[SYSINFO_TYPE_2quater]	= RSL_SYSTEM_INFO_2quater,
 	[SYSINFO_TYPE_5bis]	= RSL_SYSTEM_INFO_5bis,
 	[SYSINFO_TYPE_5ter]	= RSL_SYSTEM_INFO_5ter,
+	[SYSINFO_TYPE_EMO]	= RSL_EXT_MEAS_ORDER,
+	[SYSINFO_TYPE_MEAS_INFO]= RSL_MEAS_INFO,
 };
 
 static const uint8_t rsl2sitype[256] = {
@@ -92,6 +94,8 @@ static const uint8_t rsl2sitype[256] = {
 	[RSL_SYSTEM_INFO_2quater] = SYSINFO_TYPE_2quater,
 	[RSL_SYSTEM_INFO_5bis] = SYSINFO_TYPE_5bis,
 	[RSL_SYSTEM_INFO_5ter] = SYSINFO_TYPE_5ter,
+	[RSL_EXT_MEAS_ORDER] = SYSINFO_TYPE_EMO,
+	[RSL_MEAS_INFO] = SYSINFO_TYPE_MEAS_INFO,
 };
 
 const struct value_string osmo_sitype_strs[_MAX_SYSINFO_TYPE] = {
@@ -116,6 +120,8 @@ const struct value_string osmo_sitype_strs[_MAX_SYSINFO_TYPE] = {
 	{ SYSINFO_TYPE_2quater,	"2quater" },
 	{ SYSINFO_TYPE_5bis,	"5bis" },
 	{ SYSINFO_TYPE_5ter,	"5ter" },
+	{ SYSINFO_TYPE_EMO,	"EMO" },
+	{ SYSINFO_TYPE_MEAS_INFO, "MI" },
 	{ 0, NULL }
 };
 
diff --git a/src/shared/libosmocore/src/gsmtap_util.c b/src/shared/libosmocore/src/gsmtap_util.c
index 95458657..c8c26c62 100644
--- a/src/shared/libosmocore/src/gsmtap_util.c
+++ b/src/shared/libosmocore/src/gsmtap_util.c
@@ -124,7 +124,8 @@ int gsmtap_source_init_fd(const char *host, uint16_t port)
 	if (host == NULL)
 		host = "localhost";
 
-	return osmo_sock_init(AF_UNSPEC, SOCK_DGRAM, IPPROTO_UDP, host, port, 0);
+	return osmo_sock_init(AF_UNSPEC, SOCK_DGRAM, IPPROTO_UDP, host, port,
+				OSMO_SOCK_F_CONNECT);
 }
 
 int gsmtap_source_add_sink_fd(int gsmtap_fd)
@@ -138,7 +139,8 @@ int gsmtap_source_add_sink_fd(int gsmtap_fd)
 		return rc;
 
 	if (osmo_sockaddr_is_local((struct sockaddr *)&ss, ss_len) == 1) {
-		rc = osmo_sock_init_sa((struct sockaddr *)&ss, SOCK_DGRAM, IPPROTO_UDP, 1);
+		rc = osmo_sock_init_sa((struct sockaddr *)&ss, SOCK_DGRAM,
+					IPPROTO_UDP, OSMO_SOCK_F_BIND);
 		if (rc >= 0)
 			return rc;
 	}
diff --git a/src/shared/libosmocore/src/socket.c b/src/shared/libosmocore/src/socket.c
index 014bbaa2..f1fcccd5 100644
--- a/src/shared/libosmocore/src/socket.c
+++ b/src/shared/libosmocore/src/socket.c
@@ -6,6 +6,7 @@
 #include <osmocom/core/select.h>
 #include <osmocom/core/socket.h>
 
+#include <sys/ioctl.h>
 #include <sys/socket.h>
 #include <sys/types.h>
 
@@ -18,12 +19,16 @@
 #include <ifaddrs.h>
 
 int osmo_sock_init(uint16_t family, uint16_t type, uint8_t proto,
-		   const char *host, uint16_t port, int connect0_bind1)
+		   const char *host, uint16_t port, unsigned int flags)
 {
 	struct addrinfo hints, *result, *rp;
 	int sfd, rc, on = 1;
 	char portbuf[16];
 
+	if ((flags & (OSMO_SOCK_F_BIND | OSMO_SOCK_F_CONNECT)) ==
+		     (OSMO_SOCK_F_BIND | OSMO_SOCK_F_CONNECT))
+		return -EINVAL;
+
 	sprintf(portbuf, "%u", port);
 	memset(&hints, 0, sizeof(struct addrinfo));
 	hints.ai_family = family;
@@ -31,6 +36,9 @@ int osmo_sock_init(uint16_t family, uint16_t type, uint8_t proto,
 	hints.ai_flags = 0;
 	hints.ai_protocol = proto;
 
+	if (flags & OSMO_SOCK_F_BIND)
+		hints.ai_flags |= AI_PASSIVE;
+
 	rc = getaddrinfo(host, portbuf, &hints, &result);
 	if (rc != 0) {
 		perror("getaddrinfo returned NULL");
@@ -41,10 +49,24 @@ int osmo_sock_init(uint16_t family, uint16_t type, uint8_t proto,
 		sfd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
 		if (sfd == -1)
 			continue;
-		if (connect0_bind1 == 0) {
-			if (connect(sfd, rp->ai_addr, rp->ai_addrlen) != -1)
+		if (flags & OSMO_SOCK_F_NONBLOCK) {
+			if (ioctl(sfd, FIONBIO, (unsigned char *)&on) < 0) {
+				perror("cannot set this socket unblocking");
+				close(sfd);
+				return -EINVAL;
+			}
+		}
+		if (flags & OSMO_SOCK_F_CONNECT) {
+			rc = connect(sfd, rp->ai_addr, rp->ai_addrlen);
+			if (rc != -1 || (rc == -1 && errno == EINPROGRESS))
 				break;
 		} else {
+			rc = setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR,
+							&on, sizeof(on));
+			if (rc < 0) {
+				perror("cannot setsockopt socket");
+				break;
+			}
 			if (bind(sfd, rp->ai_addr, rp->ai_addrlen) != -1)
 				break;
 		}
@@ -60,7 +82,7 @@ int osmo_sock_init(uint16_t family, uint16_t type, uint8_t proto,
 	setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
 
 	/* Make sure to call 'listen' on a bound, connection-oriented sock */
-	if (connect0_bind1 == 1) {
+	if (flags & OSMO_SOCK_F_BIND) {
 		switch (type) {
 		case SOCK_STREAM:
 		case SOCK_SEQPACKET:
@@ -72,11 +94,11 @@ int osmo_sock_init(uint16_t family, uint16_t type, uint8_t proto,
 }
 
 int osmo_sock_init_ofd(struct osmo_fd *ofd, int family, int type, int proto,
-			const char *host, uint16_t port, int connect0_bind1)
+			const char *host, uint16_t port, unsigned int flags)
 {
 	int sfd, rc;
 
-	sfd = osmo_sock_init(family, type, proto, host, port, connect0_bind1);
+	sfd = osmo_sock_init(family, type, proto, host, port, flags);
 	if (sfd < 0)
 		return sfd;
 
@@ -93,7 +115,7 @@ int osmo_sock_init_ofd(struct osmo_fd *ofd, int family, int type, int proto,
 }
 
 int osmo_sock_init_sa(struct sockaddr *ss, uint16_t type,
-		      uint8_t proto, int connect0_bind1)
+		      uint8_t proto, unsigned int flags)
 {
 	char host[NI_MAXHOST];
 	uint16_t port;
@@ -124,8 +146,7 @@ int osmo_sock_init_sa(struct sockaddr *ss, uint16_t type,
 		return s;
 	}
 
-	return osmo_sock_init(ss->sa_family, type, proto, host,
-			      port, connect0_bind1);
+	return osmo_sock_init(ss->sa_family, type, proto, host, port, flags);
 }
 
 static int sockaddr_equal(const struct sockaddr *a,