diff --git a/openbsc/configure.ac b/openbsc/configure.ac
index 16eb732..3f9333a 100644
--- a/openbsc/configure.ac
+++ b/openbsc/configure.ac
@@ -114,6 +114,8 @@
 AC_OUTPUT(
     openbsc.pc
     include/openbsc/Makefile
+    include/osmocom/Makefile
+    include/osmocom/gprs/Makefile
     include/Makefile
     src/Makefile
     src/libtrau/Makefile
diff --git a/openbsc/include/Makefile.am b/openbsc/include/Makefile.am
index 4596b6e..2cc8bee 100644
--- a/openbsc/include/Makefile.am
+++ b/openbsc/include/Makefile.am
@@ -1,3 +1,3 @@
-SUBDIRS = openbsc
+SUBDIRS = openbsc osmocom
 
 noinst_HEADERS = mISDNif.h compat_af_isdn.h
diff --git a/openbsc/include/openbsc/Makefile.am b/openbsc/include/openbsc/Makefile.am
index 8e64ff8..58fa691 100644
--- a/openbsc/include/openbsc/Makefile.am
+++ b/openbsc/include/openbsc/Makefile.am
@@ -7,9 +7,9 @@
 		 system_information.h handover.h mgcp_internal.h \
 		 vty.h socket.h e1_config.h trau_upqueue.h token_auth.h \
 		 handover_decision.h rrlp.h control_if.h \
-		crc24.h gprs_bssgp.h gprs_llc.h gprs_ns.h gprs_gmm.h \
+		crc24.h gprs_llc.h gprs_gmm.h \
 		gb_proxy.h gprs_sgsn.h gsm_04_08_gprs.h sgsn.h \
-		gprs_ns_frgre.h auth.h osmo_msc.h bsc_msc.h bsc_nat.h \
+		auth.h osmo_msc.h bsc_msc.h bsc_nat.h \
 		osmo_bsc_rf.h osmo_bsc.h network_listen.h bsc_nat_sccp.h \
 		osmo_msc_data.h osmo_bsc_grace.h sms_queue.h abis_om2000.h \
 		bss.h gsm_data_shared.h control_cmd.h ipaccess.h mncc_int.h
diff --git a/openbsc/include/openbsc/gb_proxy.h b/openbsc/include/openbsc/gb_proxy.h
index c0cdcbf..2c8ddb3 100644
--- a/openbsc/include/openbsc/gb_proxy.h
+++ b/openbsc/include/openbsc/gb_proxy.h
@@ -4,7 +4,7 @@
 
 #include <osmocom/core/msgb.h>
 
-#include <openbsc/gprs_ns.h>
+#include <osmocom/gprs/gprs_ns.h>
 #include <osmocom/vty/command.h>
 
 struct gbproxy_config {
diff --git a/openbsc/include/openbsc/sgsn.h b/openbsc/include/openbsc/sgsn.h
index 966b4e6..48a7b34 100644
--- a/openbsc/include/openbsc/sgsn.h
+++ b/openbsc/include/openbsc/sgsn.h
@@ -4,7 +4,7 @@
 
 #include <osmocom/core/msgb.h>
 
-#include <openbsc/gprs_ns.h>
+#include <osmocom/gprs/gprs_ns.h>
 #include <openbsc/gprs_sgsn.h>
 
 struct sgsn_config {
diff --git a/openbsc/include/osmocom/Makefile.am b/openbsc/include/osmocom/Makefile.am
new file mode 100644
index 0000000..596ce23
--- /dev/null
+++ b/openbsc/include/osmocom/Makefile.am
@@ -0,0 +1 @@
+SUBDIRS = gprs
diff --git a/openbsc/include/osmocom/gprs/Makefile.am b/openbsc/include/osmocom/gprs/Makefile.am
new file mode 100644
index 0000000..fe5714e
--- /dev/null
+++ b/openbsc/include/osmocom/gprs/Makefile.am
@@ -0,0 +1,3 @@
+libgb_HEADERS = gprs_bssgp.h gprs_ns.h gprs_ns_frgre.h
+
+libgbdir = $(includedir)/osmocom/gprs
diff --git a/openbsc/include/openbsc/gprs_bssgp.h b/openbsc/include/osmocom/gprs/gprs_bssgp.h
similarity index 99%
rename from openbsc/include/openbsc/gprs_bssgp.h
rename to openbsc/include/osmocom/gprs/gprs_bssgp.h
index df93f5b..bfc7d33 100644
--- a/openbsc/include/openbsc/gprs_bssgp.h
+++ b/openbsc/include/osmocom/gprs/gprs_bssgp.h
@@ -143,6 +143,8 @@
 
 /* Our implementation */
 
+#include <osmocom/gsm/gsm48.h>
+
 /* gprs_bssgp_util.c */
 extern struct gprs_ns_inst *bssgp_nsi;
 struct msgb *bssgp_msgb_alloc(void);
diff --git a/openbsc/include/openbsc/gprs_ns.h b/openbsc/include/osmocom/gprs/gprs_ns.h
similarity index 100%
rename from openbsc/include/openbsc/gprs_ns.h
rename to openbsc/include/osmocom/gprs/gprs_ns.h
diff --git a/openbsc/include/openbsc/gprs_ns_frgre.h b/openbsc/include/osmocom/gprs/gprs_ns_frgre.h
similarity index 100%
rename from openbsc/include/openbsc/gprs_ns_frgre.h
rename to openbsc/include/osmocom/gprs/gprs_ns_frgre.h
diff --git a/openbsc/src/gprs/gb_proxy.c b/openbsc/src/gprs/gb_proxy.c
index 1261ccc..afe793d 100644
--- a/openbsc/src/gprs/gb_proxy.c
+++ b/openbsc/src/gprs/gb_proxy.c
@@ -32,10 +32,11 @@
 #include <osmocom/core/talloc.h>
 #include <osmocom/core/select.h>
 
+#include <osmocom/gprs/gprs_ns.h>
+#include <osmocom/gprs/gprs_bssgp.h>
+
 #include <openbsc/signal.h>
 #include <openbsc/debug.h>
-#include <openbsc/gprs_ns.h>
-#include <openbsc/gprs_bssgp.h>
 #include <openbsc/gb_proxy.h>
 
 struct gbprox_peer {
diff --git a/openbsc/src/gprs/gb_proxy_main.c b/openbsc/src/gprs/gb_proxy_main.c
index 0bfc6cf..5791dab 100644
--- a/openbsc/src/gprs/gb_proxy_main.c
+++ b/openbsc/src/gprs/gb_proxy_main.c
@@ -37,10 +37,11 @@
 #include <osmocom/core/select.h>
 #include <osmocom/core/rate_ctr.h>
 
+#include <osmocom/gprs/gprs_ns.h>
+#include <osmocom/gprs/gprs_bssgp.h>
+
 #include <openbsc/signal.h>
 #include <openbsc/debug.h>
-#include <openbsc/gprs_ns.h>
-#include <openbsc/gprs_bssgp.h>
 #include <openbsc/vty.h>
 #include <openbsc/gb_proxy.h>
 
diff --git a/openbsc/src/gprs/gb_proxy_vty.c b/openbsc/src/gprs/gb_proxy_vty.c
index 09395ed..574f45f 100644
--- a/openbsc/src/gprs/gb_proxy_vty.c
+++ b/openbsc/src/gprs/gb_proxy_vty.c
@@ -24,9 +24,10 @@
 
 #include <osmocom/core/talloc.h>
 
+#include <osmocom/gprs/gprs_ns.h>
+
 #include <openbsc/debug.h>
 #include <openbsc/gb_proxy.h>
-#include <openbsc/gprs_ns.h>
 #include <openbsc/vty.h>
 
 #include <osmocom/vty/command.h>
diff --git a/openbsc/src/gprs/gprs_gmm.c b/openbsc/src/gprs/gprs_gmm.c
index cc9d297..0ed7162 100644
--- a/openbsc/src/gprs/gprs_gmm.c
+++ b/openbsc/src/gprs/gprs_gmm.c
@@ -38,6 +38,8 @@
 #include <osmocom/core/talloc.h>
 #include <osmocom/core/rate_ctr.h>
 
+#include <osmocom/gprs/gprs_bssgp.h>
+
 #include <openbsc/debug.h>
 #include <openbsc/gsm_data.h>
 #include <openbsc/gsm_subscriber.h>
@@ -45,7 +47,6 @@
 #include <openbsc/gsm_04_08_gprs.h>
 #include <openbsc/paging.h>
 #include <openbsc/transaction.h>
-#include <openbsc/gprs_bssgp.h>
 #include <openbsc/gprs_llc.h>
 #include <openbsc/gprs_sgsn.h>
 #include <openbsc/gprs_gmm.h>
diff --git a/openbsc/src/gprs/gprs_llc.c b/openbsc/src/gprs/gprs_llc.c
index 708c4c6..b26f263 100644
--- a/openbsc/src/gprs/gprs_llc.c
+++ b/openbsc/src/gprs/gprs_llc.c
@@ -26,12 +26,12 @@
 #include <osmocom/core/linuxlist.h>
 #include <osmocom/core/timer.h>
 #include <osmocom/core/talloc.h>
+#include <osmocom/gprs/gprs_bssgp.h>
 
 #include <openbsc/gsm_data.h>
 #include <openbsc/debug.h>
 #include <openbsc/gprs_sgsn.h>
 #include <openbsc/gprs_gmm.h>
-#include <openbsc/gprs_bssgp.h>
 #include <openbsc/gprs_llc.h>
 #include <openbsc/crc24.h>
 #include <openbsc/sgsn.h>
diff --git a/openbsc/src/gprs/gprs_sgsn.c b/openbsc/src/gprs/gprs_sgsn.c
index 85f7105..d8da846 100644
--- a/openbsc/src/gprs/gprs_sgsn.c
+++ b/openbsc/src/gprs/gprs_sgsn.c
@@ -25,11 +25,12 @@
 #include <osmocom/core/talloc.h>
 #include <osmocom/core/timer.h>
 #include <osmocom/core/rate_ctr.h>
+#include <osmocom/gprs/gprs_ns.h>
+#include <osmocom/gprs/gprs_bssgp.h>
+
 #include <openbsc/gsm_subscriber.h>
 #include <openbsc/debug.h>
 #include <openbsc/gprs_sgsn.h>
-#include <openbsc/gprs_ns.h>
-#include <openbsc/gprs_bssgp.h>
 #include <openbsc/sgsn.h>
 #include <openbsc/gsm_04_08_gprs.h>
 #include <openbsc/gprs_gmm.h>
diff --git a/openbsc/src/gprs/gprs_sndcp.c b/openbsc/src/gprs/gprs_sndcp.c
index e422426..853f8db 100644
--- a/openbsc/src/gprs/gprs_sndcp.c
+++ b/openbsc/src/gprs/gprs_sndcp.c
@@ -27,10 +27,10 @@
 #include <osmocom/core/linuxlist.h>
 #include <osmocom/core/timer.h>
 #include <osmocom/core/talloc.h>
+#include <osmocom/gprs/gprs_bssgp.h>
 
 #include <openbsc/gsm_data.h>
 #include <openbsc/debug.h>
-#include <openbsc/gprs_bssgp.h>
 #include <openbsc/gprs_llc.h>
 #include <openbsc/sgsn.h>
 
diff --git a/openbsc/src/gprs/sgsn_libgtp.c b/openbsc/src/gprs/sgsn_libgtp.c
index 71694a4..a45d344 100644
--- a/openbsc/src/gprs/sgsn_libgtp.c
+++ b/openbsc/src/gprs/sgsn_libgtp.c
@@ -36,13 +36,13 @@
 #include <osmocom/core/talloc.h>
 #include <osmocom/core/select.h>
 #include <osmocom/core/rate_ctr.h>
-#include <openbsc/gsm_04_08_gprs.h>
+#include <osmocom/gprs/gprs_bssgp.h>
 
+#include <openbsc/gsm_04_08_gprs.h>
 #include <openbsc/signal.h>
 #include <openbsc/debug.h>
 #include <openbsc/sgsn.h>
 #include <openbsc/gprs_llc.h>
-#include <openbsc/gprs_bssgp.h>
 #include <openbsc/gprs_sgsn.h>
 #include <openbsc/gprs_gmm.h>
 
diff --git a/openbsc/src/gprs/sgsn_main.c b/openbsc/src/gprs/sgsn_main.c
index f7eb221..640388d 100644
--- a/openbsc/src/gprs/sgsn_main.c
+++ b/openbsc/src/gprs/sgsn_main.c
@@ -38,6 +38,9 @@
 #include <osmocom/core/rate_ctr.h>
 #include <osmocom/core/logging.h>
 
+#include <osmocom/gprs/gprs_ns.h>
+#include <osmocom/gprs/gprs_bssgp.h>
+
 #include <osmocom/vty/telnet_interface.h>
 #include <osmocom/vty/logging.h>
 
@@ -45,8 +48,6 @@
 #include <openbsc/debug.h>
 #include <openbsc/vty.h>
 #include <openbsc/sgsn.h>
-#include <openbsc/gprs_ns.h>
-#include <openbsc/gprs_bssgp.h>
 #include <openbsc/gprs_llc.h>
 
 #include <gtp.h>
diff --git a/openbsc/src/gprs/sgsn_vty.c b/openbsc/src/gprs/sgsn_vty.c
index 0125dad..f4a8083 100644
--- a/openbsc/src/gprs/sgsn_vty.c
+++ b/openbsc/src/gprs/sgsn_vty.c
@@ -28,7 +28,7 @@
 
 #include <openbsc/debug.h>
 #include <openbsc/sgsn.h>
-#include <openbsc/gprs_ns.h>
+#include <osmocom/gprs/gprs_ns.h>
 #include <openbsc/gprs_sgsn.h>
 #include <openbsc/vty.h>
 #include <openbsc/gsm_04_08_gprs.h>
diff --git a/openbsc/src/libbsc/bsc_vty.c b/openbsc/src/libbsc/bsc_vty.c
index cacc6b0..413eac4 100644
--- a/openbsc/src/libbsc/bsc_vty.c
+++ b/openbsc/src/libbsc/bsc_vty.c
@@ -41,7 +41,7 @@
 #include <openbsc/db.h>
 #include <osmocom/core/talloc.h>
 #include <openbsc/vty.h>
-#include <openbsc/gprs_ns.h>
+#include <osmocom/gprs/gprs_ns.h>
 #include <openbsc/system_information.h>
 #include <openbsc/debug.h>
 #include <openbsc/paging.h>
diff --git a/openbsc/src/libgb/gprs_bssgp.c b/openbsc/src/libgb/gprs_bssgp.c
index 6722caf..e93b3de 100644
--- a/openbsc/src/libgb/gprs_bssgp.c
+++ b/openbsc/src/libgb/gprs_bssgp.c
@@ -35,10 +35,10 @@
 #include <openbsc/debug.h>
 #include <openbsc/gsm_data.h>
 #include <openbsc/gsm_04_08_gprs.h>
-#include <openbsc/gprs_bssgp.h>
-#include <openbsc/gprs_llc.h>
-#include <openbsc/gprs_ns.h>
-#include <openbsc/gprs_sgsn.h>
+
+#include <osmocom/gprs/gprs_bssgp.h>
+#include <osmocom/gprs/gprs_ns.h>
+
 #include <openbsc/gprs_gmm.h>
 
 void *bssgp_tall_ctx = NULL;
diff --git a/openbsc/src/libgb/gprs_bssgp_bss.c b/openbsc/src/libgb/gprs_bssgp_bss.c
index 9d76c3a..a53423c 100644
--- a/openbsc/src/libgb/gprs_bssgp_bss.c
+++ b/openbsc/src/libgb/gprs_bssgp_bss.c
@@ -28,11 +28,11 @@
 #include <osmocom/core/rate_ctr.h>
 #include <osmocom/gsm/tlv.h>
 #include <osmocom/core/talloc.h>
+#include <osmocom/gprs/gprs_bssgp.h>
+#include <osmocom/gprs/gprs_ns.h>
 
 #include <openbsc/debug.h>
 #include <openbsc/gsm_data.h>
-#include <openbsc/gprs_bssgp.h>
-#include <openbsc/gprs_ns.h>
 
 uint8_t *bssgp_msgb_tlli_put(struct msgb *msg, uint32_t tlli)
 {
diff --git a/openbsc/src/libgb/gprs_bssgp_util.c b/openbsc/src/libgb/gprs_bssgp_util.c
index a1eb37e..c794a59 100644
--- a/openbsc/src/libgb/gprs_bssgp_util.c
+++ b/openbsc/src/libgb/gprs_bssgp_util.c
@@ -27,11 +27,11 @@
 #include <osmocom/core/msgb.h>
 #include <osmocom/gsm/tlv.h>
 #include <osmocom/core/talloc.h>
+#include <osmocom/gprs/gprs_bssgp.h>
+#include <osmocom/gprs/gprs_ns.h>
 
 #include <openbsc/debug.h>
 #include <openbsc/gsm_data.h>
-#include <openbsc/gprs_bssgp.h>
-#include <openbsc/gprs_ns.h>
 
 struct gprs_ns_inst *bssgp_nsi;
 
diff --git a/openbsc/src/libgb/gprs_bssgp_vty.c b/openbsc/src/libgb/gprs_bssgp_vty.c
index a0d74ac..256e8af 100644
--- a/openbsc/src/libgb/gprs_bssgp_vty.c
+++ b/openbsc/src/libgb/gprs_bssgp_vty.c
@@ -26,17 +26,13 @@
 
 #include <arpa/inet.h>
 
-#include <openbsc/gsm_data.h>
 #include <osmocom/core/msgb.h>
 #include <osmocom/gsm/tlv.h>
 #include <osmocom/core/talloc.h>
 #include <osmocom/core/select.h>
 #include <osmocom/core/rate_ctr.h>
-#include <openbsc/debug.h>
-#include <openbsc/signal.h>
-#include <openbsc/gprs_ns.h>
-#include <openbsc/gprs_bssgp.h>
-#include <openbsc/vty.h>
+#include <osmocom/gprs/gprs_ns.h>
+#include <osmocom/gprs/gprs_bssgp.h>
 
 #include <osmocom/vty/vty.h>
 #include <osmocom/vty/command.h>
@@ -44,6 +40,11 @@
 #include <osmocom/vty/telnet_interface.h>
 #include <osmocom/vty/misc.h>
 
+#include <openbsc/vty.h>
+#include <openbsc/gsm_data.h>
+#include <openbsc/debug.h>
+
+
 /* FIXME: this should go to some common file as it is copied
  * in vty_interface.c of the BSC */
 static const struct value_string gprs_bssgp_timer_strs[] = {
diff --git a/openbsc/src/libgb/gprs_ns.c b/openbsc/src/libgb/gprs_ns.c
index 39ccd28..c1efa43 100644
--- a/openbsc/src/libgb/gprs_ns.c
+++ b/openbsc/src/libgb/gprs_ns.c
@@ -68,18 +68,18 @@
 
 #include <arpa/inet.h>
 
-#include <openbsc/gsm_data.h>
 #include <osmocom/core/msgb.h>
 #include <osmocom/gsm/tlv.h>
 #include <osmocom/core/talloc.h>
 #include <osmocom/core/select.h>
 #include <osmocom/core/rate_ctr.h>
+#include <osmocom/core/socket.h>
+#include <osmocom/gprs/gprs_ns.h>
+#include <osmocom/gprs/gprs_bssgp.h>
+#include <osmocom/gprs/gprs_ns_frgre.h>
+
 #include <openbsc/debug.h>
 #include <openbsc/signal.h>
-#include <openbsc/gprs_ns.h>
-#include <openbsc/gprs_bssgp.h>
-#include <openbsc/gprs_ns_frgre.h>
-#include <openbsc/socket.h>
 
 static const struct tlv_definition ns_att_tlvdef = {
 	.def = {
@@ -1026,14 +1026,19 @@
  */
 int gprs_ns_nsip_listen(struct gprs_ns_inst *nsi)
 {
+	struct in_addr in;
 	int ret;
 
-	ret = make_sock(&nsi->nsip.fd, IPPROTO_UDP, nsi->nsip.local_ip,
-			nsi->nsip.local_port, 0, nsip_fd_cb, NULL);
+	in.s_addr = htonl(nsi->nsip.local_ip);
+
+	nsi->nsip.fd.cb = nsip_fd_cb;
+	nsi->nsip.fd.data = nsi;
+	ret = osmo_sock_init_ofd(&nsi->nsip.fd, AF_INET, SOCK_DGRAM,
+				 IPPROTO_UDP, inet_ntoa(in),
+				 nsi->nsip.local_port, OSMO_SOCK_F_BIND);
 	if (ret < 0)
 		return ret;
 
-	nsi->nsip.fd.data = nsi;
 
 	return ret;
 }
diff --git a/openbsc/src/libgb/gprs_ns_frgre.c b/openbsc/src/libgb/gprs_ns_frgre.c
index 27c5c57..9be9f2a 100644
--- a/openbsc/src/libgb/gprs_ns_frgre.c
+++ b/openbsc/src/libgb/gprs_ns_frgre.c
@@ -34,10 +34,10 @@
 #include <osmocom/core/select.h>
 #include <osmocom/core/msgb.h>
 #include <osmocom/core/talloc.h>
+#include <osmocom/core/socket.h>
+#include <osmocom/gprs/gprs_ns.h>
 
-#include <openbsc/socket.h>
 #include <openbsc/debug.h>
-#include <openbsc/gprs_ns.h>
 
 #define GRE_PTYPE_FR	0x6559
 #define GRE_PTYPE_IPv4	0x0800
@@ -282,8 +282,11 @@
 
 int gprs_ns_frgre_listen(struct gprs_ns_inst *nsi)
 {
+	struct in_addr in;
 	int rc;
 
+	in.s_addr = htonl(nsi->frgre.local_ip);
+
 	/* Make sure we close any existing socket before changing it */
 	if (nsi->frgre.fd.fd)
 		close(nsi->frgre.fd.fd);
@@ -291,8 +294,11 @@
 	if (!nsi->frgre.enabled)
 		return 0;
 
-	rc = make_sock(&nsi->frgre.fd, IPPROTO_GRE, nsi->frgre.local_ip,
-			0, 0, nsfrgre_fd_cb, NULL);
+	nsi->frgre.fd.cb = nsfrgre_fd_cb;
+	nsi->frgre.fd.data = nsi;
+	rc = osmo_sock_init_ofd(&nsi->frgre.fd, AF_INET, SOCK_RAW,
+				IPPROTO_GRE, inet_ntoa(in), 0,
+				OSMO_SOCK_F_BIND);
 	if (rc < 0) {
 		LOGP(DNS, LOGL_ERROR, "Error creating GRE socket (%s)\n",
 			strerror(errno));
diff --git a/openbsc/src/libgb/gprs_ns_vty.c b/openbsc/src/libgb/gprs_ns_vty.c
index 1e485ac..f1ab287 100644
--- a/openbsc/src/libgb/gprs_ns_vty.c
+++ b/openbsc/src/libgb/gprs_ns_vty.c
@@ -26,17 +26,13 @@
 
 #include <arpa/inet.h>
 
-#include <openbsc/gsm_data.h>
 #include <osmocom/core/msgb.h>
 #include <osmocom/gsm/tlv.h>
 #include <osmocom/core/talloc.h>
 #include <osmocom/core/select.h>
 #include <osmocom/core/rate_ctr.h>
-#include <openbsc/debug.h>
-#include <openbsc/signal.h>
-#include <openbsc/gprs_ns.h>
-#include <openbsc/gprs_bssgp.h>
-#include <openbsc/vty.h>
+#include <osmocom/gprs/gprs_ns.h>
+#include <osmocom/gprs/gprs_bssgp.h>
 
 #include <osmocom/vty/vty.h>
 #include <osmocom/vty/command.h>
@@ -44,6 +40,11 @@
 #include <osmocom/vty/telnet_interface.h>
 #include <osmocom/vty/misc.h>
 
+#include <openbsc/gsm_data.h>
+#include <openbsc/debug.h>
+#include <openbsc/signal.h>
+#include <openbsc/vty.h>
+
 static struct gprs_ns_inst *vty_nsi = NULL;
 
 /* FIXME: this should go to some common file as it is copied