diff --git a/openbsc/src/libabis/input/dahdi.c b/openbsc/src/libabis/input/dahdi.c
index 4fcd64f..e02e141 100644
--- a/openbsc/src/libabis/input/dahdi.c
+++ b/openbsc/src/libabis/input/dahdi.c
@@ -92,7 +92,7 @@
 	}
 }
 
-static int handle_ts1_read(struct bsc_fd *bfd)
+static int handle_ts1_read(struct osmo_fd *bfd)
 {
 	struct e1inp_line *line = bfd->data;
 	unsigned int ts_nr = bfd->priv_nr;
@@ -184,7 +184,7 @@
 
 static void dahdi_write_msg(uint8_t *data, int len, void *cbdata)
 {
-	struct bsc_fd *bfd = cbdata;
+	struct osmo_fd *bfd = cbdata;
 	struct e1inp_line *line = bfd->data;
 	unsigned int ts_nr = bfd->priv_nr;
 	struct e1inp_ts *e1i_ts = &line->ts[ts_nr-1];
@@ -197,7 +197,7 @@
 		LOGP(DMI, LOGL_NOTICE, "%s write failed %d\n", __func__, ret);
 }
 
-static int handle_ts1_write(struct bsc_fd *bfd)
+static int handle_ts1_write(struct osmo_fd *bfd)
 {
 	struct e1inp_line *line = bfd->data;
 	unsigned int ts_nr = bfd->priv_nr;
@@ -259,7 +259,7 @@
 
 #define D_BCHAN_TX_GRAN 160
 /* write to a B channel TS */
-static int handle_tsX_write(struct bsc_fd *bfd)
+static int handle_tsX_write(struct osmo_fd *bfd)
 {
 	struct e1inp_line *line = bfd->data;
 	unsigned int ts_nr = bfd->priv_nr;
@@ -293,7 +293,7 @@
 
 #define D_TSX_ALLOC_SIZE (D_BCHAN_TX_GRAN)
 /* FIXME: read from a B channel TS */
-static int handle_tsX_read(struct bsc_fd *bfd)
+static int handle_tsX_read(struct osmo_fd *bfd)
 {
 	struct e1inp_line *line = bfd->data;
 	unsigned int ts_nr = bfd->priv_nr;
@@ -329,7 +329,7 @@
 }
 
 /* callback from select.c in case one of the fd's can be read/written */
-static int dahdi_fd_cb(struct bsc_fd *bfd, unsigned int what)
+static int dahdi_fd_cb(struct osmo_fd *bfd, unsigned int what)
 {
 	struct e1inp_line *line = bfd->data;
 	unsigned int ts_nr = bfd->priv_nr;
@@ -420,7 +420,7 @@
 		unsigned int idx = ts-1;
 		char openstr[128];
 		struct e1inp_ts *e1i_ts = &line->ts[idx];
-		struct bsc_fd *bfd = &e1i_ts->driver.dahdi.fd;
+		struct osmo_fd *bfd = &e1i_ts->driver.dahdi.fd;
 
 		bfd->data = line;
 		bfd->priv_nr = ts;
@@ -463,7 +463,7 @@
 			return bfd->fd;
 		}
 
-		ret = bsc_register_fd(bfd);
+		ret = osmo_fd_register(bfd);
 		if (ret < 0) {
 			fprintf(stderr, "could not register FD: %s\n",
 				strerror(ret));
diff --git a/openbsc/src/libabis/input/hsl.c b/openbsc/src/libabis/input/hsl.c
index 9ff8552..af95afa 100644
--- a/openbsc/src/libabis/input/hsl.c
+++ b/openbsc/src/libabis/input/hsl.c
@@ -64,7 +64,7 @@
 
 /* data structure for one E1 interface with A-bis */
 struct hsl_e1_handle {
-	struct bsc_fd listen_fd;
+	struct osmo_fd listen_fd;
 	struct gsm_network *gsmnet;
 };
 
@@ -81,7 +81,7 @@
 	struct gsm_bts_trx *trx;
 	struct e1inp_ts *ts;
 	struct e1inp_line *line;
-	struct bsc_fd *bfd;
+	struct osmo_fd *bfd;
 
 	if (!bts || !bts->oml_link)
 		return -1;
@@ -92,7 +92,7 @@
 	e1inp_event(ts, S_INP_TEI_DN, bts->oml_link->tei, bts->oml_link->sapi);
 
 	bfd = &ts->driver.ipaccess.fd;
-	bsc_unregister_fd(bfd);
+	osmo_fd_unregister(bfd);
 	close(bfd->fd);
 	bfd->fd = -1;
 
@@ -109,7 +109,7 @@
 	return -1;
 }
 
-static int hsl_drop_ts_fd(struct e1inp_ts *ts, struct bsc_fd *bfd)
+static int hsl_drop_ts_fd(struct e1inp_ts *ts, struct osmo_fd *bfd)
 {
 	struct e1inp_sign_link *link, *link2;
 	int bts_nr = -1;
@@ -119,7 +119,7 @@
 		e1inp_sign_link_destroy(link);
 	}
 
-	bsc_unregister_fd(bfd);
+	osmo_fd_unregister(bfd);
 	close(bfd->fd);
 	bfd->fd = -1;
 
@@ -195,7 +195,7 @@
 	return 0;
 }
 
-static int handle_ts1_read(struct bsc_fd *bfd)
+static int handle_ts1_read(struct osmo_fd *bfd)
 {
 	struct e1inp_line *line = bfd->data;
 	unsigned int ts_nr = bfd->priv_nr;
@@ -290,7 +290,7 @@
 	ts_want_write(e1i_ts);
 }
 
-static int handle_ts1_write(struct bsc_fd *bfd)
+static int handle_ts1_write(struct osmo_fd *bfd)
 {
 	struct e1inp_line *line = bfd->data;
 	unsigned int ts_nr = bfd->priv_nr;
@@ -346,7 +346,7 @@
 }
 
 /* callback from select.c in case one of the fd's can be read/written */
-static int hsl_fd_cb(struct bsc_fd *bfd, unsigned int what)
+static int hsl_fd_cb(struct osmo_fd *bfd, unsigned int what)
 {
 	struct e1inp_line *line = bfd->data;
 	unsigned int ts_nr = bfd->priv_nr;
@@ -377,14 +377,14 @@
 };
 
 /* callback of the OML listening filedescriptor */
-static int listen_fd_cb(struct bsc_fd *listen_bfd, unsigned int what)
+static int listen_fd_cb(struct osmo_fd *listen_bfd, unsigned int what)
 {
 	int ret;
 	int idx = 0;
 	int i;
 	struct e1inp_line *line;
 	struct e1inp_ts *e1i_ts;
-	struct bsc_fd *bfd;
+	struct osmo_fd *bfd;
 	struct sockaddr_in sa;
 	socklen_t sa_len = sizeof(sa);
 
@@ -421,7 +421,7 @@
 	bfd->priv_nr = PRIV_OML;
 	bfd->cb = hsl_fd_cb;
 	bfd->when = BSC_FD_READ;
-	ret = bsc_register_fd(bfd);
+	ret = osmo_fd_register(bfd);
 	if (ret < 0) {
 		LOGP(DINP, LOGL_ERROR, "could not register FD\n");
 		close(bfd->fd);
diff --git a/openbsc/src/libabis/input/ipaccess.c b/openbsc/src/libabis/input/ipaccess.c
index 95e84f6..13294dc 100644
--- a/openbsc/src/libabis/input/ipaccess.c
+++ b/openbsc/src/libabis/input/ipaccess.c
@@ -51,8 +51,8 @@
 
 /* data structure for one E1 interface with A-bis */
 struct ia_e1_handle {
-	struct bsc_fd listen_fd;
-	struct bsc_fd rsl_listen_fd;
+	struct osmo_fd listen_fd;
+	struct osmo_fd rsl_listen_fd;
 	struct gsm_network *gsmnet;
 };
 
@@ -222,7 +222,7 @@
 
 /* base handling of the ip.access protocol */
 int ipaccess_rcvmsg_base(struct msgb *msg,
-			 struct bsc_fd *bfd)
+			 struct osmo_fd *bfd)
 {
 	uint8_t msg_type = *(msg->l2h);
 	int ret = 0;
@@ -243,7 +243,7 @@
 }
 
 static int ipaccess_rcvmsg(struct e1inp_line *line, struct msgb *msg,
-			   struct bsc_fd *bfd)
+			   struct osmo_fd *bfd)
 {
 	struct tlv_parsed tlvp;
 	uint8_t msg_type = *(msg->l2h);
@@ -294,14 +294,14 @@
 						  bts->oml_tei, 0);
 		} else if (bfd->priv_nr == PRIV_RSL) {
 			struct e1inp_ts *e1i_ts;
-			struct bsc_fd *newbfd;
+			struct osmo_fd *newbfd;
 			struct gsm_bts_trx *trx = gsm_bts_trx_num(bts, trx_id);
 
 			/* drop any old rsl connection */
 			ipaccess_drop_rsl(trx);
 
 			if (!bts->oml_link) {
-				bsc_unregister_fd(bfd);
+				osmo_fd_unregister(bfd);
 				close(bfd->fd);
 				bfd->fd = -1;
 				talloc_free(bfd);
@@ -321,10 +321,10 @@
 			/* get rid of our old temporary bfd */
 			memcpy(newbfd, bfd, sizeof(*newbfd));
 			newbfd->priv_nr = PRIV_RSL + trx_id;
-			bsc_unregister_fd(bfd);
+			osmo_fd_unregister(bfd);
 			bfd->fd = -1;
 			talloc_free(bfd);
-			bsc_register_fd(newbfd);
+			osmo_fd_register(newbfd);
 		}
 		break;
 	}
@@ -338,7 +338,7 @@
  * read one ipa message from the socket
  * return NULL in case of error
  */
-struct msgb *ipaccess_read_msg(struct bsc_fd *bfd, int *error)
+struct msgb *ipaccess_read_msg(struct osmo_fd *bfd, int *error)
 {
 	struct msgb *msg = msgb_alloc(TS1_ALLOC_SIZE, "Abis/IP");
 	struct ipaccess_head *hh;
@@ -394,7 +394,7 @@
 	struct gsm_bts_trx *trx;
 	struct e1inp_ts *ts;
 	struct e1inp_line *line;
-	struct bsc_fd *bfd;
+	struct osmo_fd *bfd;
 
 	if (!bts || !bts->oml_link)
 		return -1;
@@ -405,7 +405,7 @@
 	e1inp_event(ts, S_INP_TEI_DN, bts->oml_link->tei, bts->oml_link->sapi);
 
 	bfd = &ts->driver.ipaccess.fd;
-	bsc_unregister_fd(bfd);
+	osmo_fd_unregister(bfd);
 	close(bfd->fd);
 	bfd->fd = -1;
 
@@ -424,7 +424,7 @@
 	return -1;
 }
 
-static int ipaccess_drop(struct e1inp_ts *ts, struct bsc_fd *bfd)
+static int ipaccess_drop(struct e1inp_ts *ts, struct osmo_fd *bfd)
 {
 	struct e1inp_sign_link *link;
 	int bts_nr;
@@ -436,7 +436,7 @@
 		 * handling yet. So we can safely delete this bfd and
 		 * wait for a reconnect.
 		 */
-		bsc_unregister_fd(bfd);
+		osmo_fd_unregister(bfd);
 		close(bfd->fd);
 		bfd->fd = -1;
 		talloc_free(bfd);
@@ -455,7 +455,7 @@
 
 	/* error case */
 	LOGP(DINP, LOGL_ERROR, "Failed to find a signalling link for ts: %p\n", ts);
-	bsc_unregister_fd(bfd);
+	osmo_fd_unregister(bfd);
 	close(bfd->fd);
 	bfd->fd = -1;
 	return -1;
@@ -463,7 +463,7 @@
 
 int ipaccess_drop_rsl(struct gsm_bts_trx *trx)
 {
-	struct bsc_fd *bfd;
+	struct osmo_fd *bfd;
 	struct e1inp_ts *ts;
 
 	if (!trx || !trx->rsl_link)
@@ -475,7 +475,7 @@
 
 	/* close the socket */
 	bfd = &ts->driver.ipaccess.fd;
-	bsc_unregister_fd(bfd);
+	osmo_fd_unregister(bfd);
 	close(bfd->fd);
 	bfd->fd = -1;
 
@@ -486,7 +486,7 @@
 	return -1;
 }
 
-static int handle_ts1_read(struct bsc_fd *bfd)
+static int handle_ts1_read(struct osmo_fd *bfd)
 {
 	struct e1inp_line *line = bfd->data;
 	unsigned int ts_nr = bfd->priv_nr;
@@ -588,7 +588,7 @@
 	ts_want_write(e1i_ts);
 }
 
-static int handle_ts1_write(struct bsc_fd *bfd)
+static int handle_ts1_write(struct osmo_fd *bfd)
 {
 	struct e1inp_line *line = bfd->data;
 	unsigned int ts_nr = bfd->priv_nr;
@@ -639,7 +639,7 @@
 }
 
 /* callback from select.c in case one of the fd's can be read/written */
-static int ipaccess_fd_cb(struct bsc_fd *bfd, unsigned int what)
+static int ipaccess_fd_cb(struct osmo_fd *bfd, unsigned int what)
 {
 	struct e1inp_line *line = bfd->data;
 	unsigned int ts_nr = bfd->priv_nr;
@@ -670,14 +670,14 @@
 };
 
 /* callback of the OML listening filedescriptor */
-static int listen_fd_cb(struct bsc_fd *listen_bfd, unsigned int what)
+static int listen_fd_cb(struct osmo_fd *listen_bfd, unsigned int what)
 {
 	int ret;
 	int idx = 0;
 	int i;
 	struct e1inp_line *line;
 	struct e1inp_ts *e1i_ts;
-	struct bsc_fd *bfd;
+	struct osmo_fd *bfd;
 	struct sockaddr_in sa;
 	socklen_t sa_len = sizeof(sa);
 
@@ -714,7 +714,7 @@
 	bfd->priv_nr = PRIV_OML;
 	bfd->cb = ipaccess_fd_cb;
 	bfd->when = BSC_FD_READ;
-	ret = bsc_register_fd(bfd);
+	ret = osmo_fd_register(bfd);
 	if (ret < 0) {
 		LOGP(DINP, LOGL_ERROR, "could not register FD\n");
 		close(bfd->fd);
@@ -729,17 +729,17 @@
 	//return e1inp_line_register(line);
 }
 
-static int rsl_listen_fd_cb(struct bsc_fd *listen_bfd, unsigned int what)
+static int rsl_listen_fd_cb(struct osmo_fd *listen_bfd, unsigned int what)
 {
 	struct sockaddr_in sa;
 	socklen_t sa_len = sizeof(sa);
-	struct bsc_fd *bfd;
+	struct osmo_fd *bfd;
 	int ret;
 
 	if (!(what & BSC_FD_READ))
 		return 0;
 
-	bfd = talloc_zero(tall_bsc_ctx, struct bsc_fd);
+	bfd = talloc_zero(tall_bsc_ctx, struct osmo_fd);
 	if (!bfd)
 		return -ENOMEM;
 
@@ -756,7 +756,7 @@
 	bfd->priv_nr = PRIV_RSL;
 	bfd->cb = ipaccess_fd_cb;
 	bfd->when = BSC_FD_READ;
-	ret = bsc_register_fd(bfd);
+	ret = osmo_fd_register(bfd);
 	if (ret < 0) {
 		LOGP(DINP, LOGL_ERROR, "could not register FD\n");
 		close(bfd->fd);
@@ -773,7 +773,7 @@
 int ipaccess_connect(struct e1inp_line *line, struct sockaddr_in *sa)
 {
 	struct e1inp_ts *e1i_ts = &line->ts[0];
-	struct bsc_fd *bfd = &e1i_ts->driver.ipaccess.fd;
+	struct osmo_fd *bfd = &e1i_ts->driver.ipaccess.fd;
 	int ret, on = 1;
 
 	bfd->fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
@@ -796,7 +796,7 @@
 		return ret;
 	}
 
-	ret = bsc_register_fd(bfd);
+	ret = osmo_fd_register(bfd);
 	if (ret < 0) {
 		close(bfd->fd);
 		return ret;
diff --git a/openbsc/src/libabis/input/misdn.c b/openbsc/src/libabis/input/misdn.c
index 3c33792..d239ee7 100644
--- a/openbsc/src/libabis/input/misdn.c
+++ b/openbsc/src/libabis/input/misdn.c
@@ -85,7 +85,7 @@
 	return "UNKNOWN";
 }
 
-static int handle_ts1_read(struct bsc_fd *bfd)
+static int handle_ts1_read(struct osmo_fd *bfd)
 {
 	struct e1inp_line *line = bfd->data;
 	unsigned int ts_nr = bfd->priv_nr;
@@ -200,7 +200,7 @@
 	ts_want_write(e1i_ts);
 }
 
-static int handle_ts1_write(struct bsc_fd *bfd)
+static int handle_ts1_write(struct osmo_fd *bfd)
 {
 	struct e1inp_line *line = bfd->data;
 	unsigned int ts_nr = bfd->priv_nr;
@@ -253,7 +253,7 @@
 
 #define BCHAN_TX_GRAN	160
 /* write to a B channel TS */
-static int handle_tsX_write(struct bsc_fd *bfd)
+static int handle_tsX_write(struct osmo_fd *bfd)
 {
 	struct e1inp_line *line = bfd->data;
 	unsigned int ts_nr = bfd->priv_nr;
@@ -281,7 +281,7 @@
 
 #define TSX_ALLOC_SIZE 4096
 /* FIXME: read from a B channel TS */
-static int handle_tsX_read(struct bsc_fd *bfd)
+static int handle_tsX_read(struct osmo_fd *bfd)
 {
 	struct e1inp_line *line = bfd->data;
 	unsigned int ts_nr = bfd->priv_nr;
@@ -329,7 +329,7 @@
 }
 
 /* callback from select.c in case one of the fd's can be read/written */
-static int misdn_fd_cb(struct bsc_fd *bfd, unsigned int what)
+static int misdn_fd_cb(struct osmo_fd *bfd, unsigned int what)
 {
 	struct e1inp_line *line = bfd->data;
 	unsigned int ts_nr = bfd->priv_nr;
@@ -365,7 +365,7 @@
 	int ret;
 	unsigned int idx = ts-1;
 	struct e1inp_ts *e1i_ts = &line->ts[idx];
-	struct bsc_fd *bfd = &e1i_ts->driver.misdn.fd;
+	struct osmo_fd *bfd = &e1i_ts->driver.misdn.fd;
 
 	fprintf(stdout, "activate bchan\n");
 	if (act)
@@ -400,7 +400,7 @@
 	for (ts = 1; ts < NUM_E1_TS; ts++) {
 		unsigned int idx = ts-1;
 		struct e1inp_ts *e1i_ts = &line->ts[idx];
-		struct bsc_fd *bfd = &e1i_ts->driver.misdn.fd;
+		struct osmo_fd *bfd = &e1i_ts->driver.misdn.fd;
 		struct sockaddr_mISDN addr;
 
 		bfd->data = line;
@@ -470,7 +470,7 @@
 		if (e1i_ts->type == E1INP_TS_TYPE_TRAU)
 			activate_bchan(line, ts, 1);
 
-		ret = bsc_register_fd(bfd);
+		ret = osmo_fd_register(bfd);
 		if (ret < 0) {
 			fprintf(stderr, "could not register FD: %s\n",
 				strerror(ret));