diff --git a/src/input/dahdi.c b/src/input/dahdi.c
index bf6da3e..55abc7c 100644
--- a/src/input/dahdi.c
+++ b/src/input/dahdi.c
@@ -204,7 +204,7 @@
 		return 0;
 	}
 
-	e1i_ts->driver.dahdi.fd.when |= BSC_FD_WRITE;
+	e1i_ts->driver.dahdi.fd.when |= OSMO_FD_WRITE;
 
 	return 0;
 }
@@ -250,7 +250,7 @@
 	struct e1inp_sign_link *sign_link;
 	struct msgb *msg;
 
-	bfd->when &= ~BSC_FD_WRITE;
+	bfd->when &= ~OSMO_FD_WRITE;
 
 	/* get the next msg for this timeslot */
 	msg = e1inp_tx_ts(e1i_ts, &sign_link);
@@ -472,38 +472,38 @@
 
 	switch (e1i_ts->type) {
 	case E1INP_TS_TYPE_SIGN:
-		if (what & BSC_FD_EXCEPT)
+		if (what & OSMO_FD_EXCEPT)
 			handle_dahdi_exception(e1i_ts);
-		if (what & BSC_FD_READ)
+		if (what & OSMO_FD_READ)
 			rc = handle_ts1_read(bfd);
-		if (what & BSC_FD_WRITE)
+		if (what & OSMO_FD_WRITE)
 			rc = handle_ts1_write(bfd);
 		break;
 	case E1INP_TS_TYPE_HDLC:
-		if (what & BSC_FD_EXCEPT)
+		if (what & OSMO_FD_EXCEPT)
 			handle_dahdi_exception(e1i_ts);
-		if (what & BSC_FD_READ)
+		if (what & OSMO_FD_READ)
 			rc = handle_hdlc_read(bfd);
-		if (what & BSC_FD_WRITE)
+		if (what & OSMO_FD_WRITE)
 			handle_hdlc_write(bfd);
 		break;
 	case E1INP_TS_TYPE_TRAU:
-		if (what & BSC_FD_EXCEPT)
+		if (what & OSMO_FD_EXCEPT)
 			handle_dahdi_exception(e1i_ts);
-		if (what & BSC_FD_READ)
+		if (what & OSMO_FD_READ)
 			rc = handle_tsX_read(bfd);
-		if (what & BSC_FD_WRITE)
+		if (what & OSMO_FD_WRITE)
 			rc = handle_tsX_write(bfd);
 		/* We never include the DAHDI B-Channel FD into the
 		 * writeset, since it doesn't support poll() based
 		 * write flow control */
 		break;
 	case E1INP_TS_TYPE_RAW:
-		if (what & BSC_FD_EXCEPT)
+		if (what & OSMO_FD_EXCEPT)
 			handle_dahdi_exception(e1i_ts);
-		if (what & BSC_FD_READ)
+		if (what & OSMO_FD_READ)
 			rc = handle_ts_raw_read(bfd);
-		if (what & BSC_FD_WRITE)
+		if (what & OSMO_FD_WRITE)
 			rc = handle_ts_raw_write(bfd);
 		/* We never include the DAHDI B-Channel FD into the
 		 * writeset, since it doesn't support poll() based
@@ -665,7 +665,7 @@
 				bfd->fd = dahdi_open_slot(dev_nr);
 			if (bfd->fd < 0)
 				return -EIO;
-			bfd->when = BSC_FD_READ | BSC_FD_EXCEPT;
+			bfd->when = OSMO_FD_READ | OSMO_FD_EXCEPT;
 			ret = dahdi_set_bufinfo(bfd->fd, 1);
 			if (ret < 0)
 				return ret;
@@ -683,7 +683,7 @@
 				bfd->fd = dahdi_open_slot(dev_nr);
 			if (bfd->fd < 0)
 				return -EIO;
-			bfd->when = BSC_FD_READ | BSC_FD_EXCEPT;
+			bfd->when = OSMO_FD_READ | OSMO_FD_EXCEPT;
 			ret = dahdi_set_bufinfo(bfd->fd, 1);
 			if (ret < 0)
 				return ret;
@@ -705,7 +705,7 @@
 			/* We never include the DAHDI B-Channel FD into the
 			 * writeset, since it doesn't support poll() based
 			 * write flow control */
-			bfd->when = BSC_FD_READ | BSC_FD_EXCEPT;// | BSC_FD_WRITE;
+			bfd->when = OSMO_FD_READ | OSMO_FD_EXCEPT;// | OSMO_FD_WRITE;
 			break;
 		}
 
diff --git a/src/input/e1d.c b/src/input/e1d.c
index beef93e..6323f90 100644
--- a/src/input/e1d.c
+++ b/src/input/e1d.c
@@ -100,7 +100,7 @@
 	struct e1inp_sign_link *sign_link;
 	struct msgb *msg;
 
-	bfd->when &= ~BSC_FD_WRITE;
+	bfd->when &= ~OSMO_FD_WRITE;
 
 	/* get the next msg for this timeslot */
 	msg = e1inp_tx_ts(e1i_ts, &sign_link);
@@ -280,21 +280,21 @@
 
 	switch (e1i_ts->type) {
 	case E1INP_TS_TYPE_SIGN:
-		if (what & BSC_FD_READ)
+		if (what & OSMO_FD_READ)
 			ret = handle_ts_sign_read(bfd);
-		if (what & BSC_FD_WRITE)
+		if (what & OSMO_FD_WRITE)
 			ret = handle_ts_sign_write(bfd);
 		break;
 	case E1INP_TS_TYPE_TRAU:
-		if (what & BSC_FD_READ)
+		if (what & OSMO_FD_READ)
 			ret = handle_ts_trau_read(bfd);
-		if (what & BSC_FD_WRITE)
+		if (what & OSMO_FD_WRITE)
 			ret = handle_ts_trau_write(bfd);
 		break;
 	case E1INP_TS_TYPE_RAW:
-		if (what & BSC_FD_READ)
+		if (what & OSMO_FD_READ)
 			ret = handle_ts_raw_read(bfd);
-		if (what & BSC_FD_WRITE)
+		if (what & OSMO_FD_WRITE)
 			ret = handle_ts_raw_write(bfd);
 		break;
 	default:
@@ -315,7 +315,7 @@
 		return 0;
 	}
 
-	e1i_ts->driver.e1d.fd.when |= BSC_FD_WRITE;
+	e1i_ts->driver.e1d.fd.when |= OSMO_FD_WRITE;
 
 	return 0;
 }
@@ -400,7 +400,7 @@
 				talloc_free(ts_info);
 				return -EIO;
 			}
-			bfd->when = BSC_FD_READ;
+			bfd->when = OSMO_FD_READ;
 
 			if (!e1i_ts->lapd) {
 				char name[32];
@@ -430,7 +430,7 @@
 				talloc_free(ts_info);
 				return -EIO;
 			}
-			bfd->when = BSC_FD_READ;
+			bfd->when = OSMO_FD_READ;
 			break;
 		case E1INP_TS_TYPE_TRAU:
 		case E1INP_TS_TYPE_RAW:
@@ -453,7 +453,7 @@
 				talloc_free(ts_info);
 				return -EIO;
 			}
-			bfd->when = BSC_FD_READ;
+			bfd->when = OSMO_FD_READ;
 			break;
 		};
 
diff --git a/src/input/ipa.c b/src/input/ipa.c
index 0f67dca..c3e4ad3 100644
--- a/src/input/ipa.c
+++ b/src/input/ipa.c
@@ -89,7 +89,7 @@
 	LOGIPA(link, LOGL_DEBUG, "sending data\n");
 
 	if (llist_empty(&link->tx_queue)) {
-		ofd->when &= ~BSC_FD_WRITE;
+		ofd->when &= ~OSMO_FD_WRITE;
 		return 0;
 	}
 	lh = link->tx_queue.next;
@@ -124,18 +124,18 @@
 				link->updown_cb(link, 0);
 			return 0;
 		}
-		ofd->when &= ~BSC_FD_WRITE;
+		ofd->when &= ~OSMO_FD_WRITE;
 		LOGIPA(link, LOGL_NOTICE, "connection done\n");
 		link->state = IPA_CLIENT_LINK_STATE_CONNECTED;
 		if (link->updown_cb)
 			link->updown_cb(link, 1);
 		break;
 	case IPA_CLIENT_LINK_STATE_CONNECTED:
-		if (what & BSC_FD_READ) {
+		if (what & OSMO_FD_READ) {
 			LOGIPA(link, LOGL_DEBUG, "connected read\n");
 			ret = ipa_client_read(link);
 		}
-		if (ret != -EBADF && (what & BSC_FD_WRITE)) {
+		if (ret != -EBADF && (what & OSMO_FD_WRITE)) {
 			LOGIPA(link, LOGL_DEBUG, "connected write\n");
 			ipa_client_write(link);
 		}
@@ -189,7 +189,7 @@
 		}
 	}
 
-	ipa_link->ofd->when |= BSC_FD_READ | BSC_FD_WRITE;
+	ipa_link->ofd->when |= OSMO_FD_READ | OSMO_FD_WRITE;
 	ipa_link->ofd->priv_nr = priv_nr;
 	ipa_link->ofd->cb = ipa_client_fd_cb;
 	ipa_link->ofd->data = ipa_link;
@@ -232,7 +232,7 @@
 	if (ret < 0)
 		return ret;
 	link->ofd->fd = ret;
-	link->ofd->when |= BSC_FD_WRITE;
+	link->ofd->when |= OSMO_FD_WRITE;
 	if (osmo_fd_register(link->ofd) < 0) {
 		close(ret);
 		link->ofd->fd = -1;
@@ -245,7 +245,7 @@
 void ipa_client_conn_send(struct ipa_client_conn *link, struct msgb *msg)
 {
 	msgb_enqueue(&link->tx_queue, msg);
-	link->ofd->when |= BSC_FD_WRITE;
+	link->ofd->when |= OSMO_FD_WRITE;
 }
 
 size_t ipa_client_conn_clear_queue(struct ipa_client_conn *link)
@@ -258,7 +258,7 @@
 		deleted += 1;
 	}
 
-	link->ofd->when &= ~BSC_FD_WRITE;
+	link->ofd->when &= ~OSMO_FD_WRITE;
 	return deleted;
 }
 
@@ -312,7 +312,7 @@
 	if (!ipa_link)
 		return NULL;
 
-	ipa_link->ofd.when |= BSC_FD_READ | BSC_FD_WRITE;
+	ipa_link->ofd.when |= OSMO_FD_READ | OSMO_FD_WRITE;
 	ipa_link->ofd.cb = ipa_server_fd_cb;
 	ipa_link->ofd.fd = -1;
 	ipa_link->ofd.data = ipa_link;
@@ -394,7 +394,7 @@
 	msg = msgb_dequeue(&conn->tx_queue);
 
 	if (!msg) {
-		conn->ofd.when &= ~BSC_FD_WRITE;
+		conn->ofd.when &= ~OSMO_FD_WRITE;
 		return;
 	}
 
@@ -411,9 +411,9 @@
 	int rc = 0;
 
 	LOGP(DLINP, LOGL_DEBUG, "connected read/write\n");
-	if (what & BSC_FD_READ)
+	if (what & OSMO_FD_READ)
 		rc = ipa_server_conn_read(conn);
-	if (rc != -EBADF && (what & BSC_FD_WRITE))
+	if (rc != -EBADF && (what & OSMO_FD_WRITE))
 		ipa_server_conn_write(conn);
 
 	return 0;
@@ -438,7 +438,7 @@
 	conn->ofd.fd = fd;
 	conn->ofd.data = conn;
 	conn->ofd.cb = ipa_server_conn_cb;
-	conn->ofd.when = BSC_FD_READ;
+	conn->ofd.when = OSMO_FD_READ;
 	conn->cb = cb;
 	conn->closed_cb = closed_cb;
 	conn->data = data;
@@ -542,5 +542,5 @@
 void ipa_server_conn_send(struct ipa_server_conn *conn, struct msgb *msg)
 {
 	msgb_enqueue(&conn->tx_queue, msg);
-	conn->ofd.when |= BSC_FD_WRITE;
+	conn->ofd.when |= OSMO_FD_WRITE;
 }
diff --git a/src/input/ipaccess.c b/src/input/ipaccess.c
index 30bcaf9..18cf7f5 100644
--- a/src/input/ipaccess.c
+++ b/src/input/ipaccess.c
@@ -422,7 +422,7 @@
 
 static int ts_want_write(struct e1inp_ts *e1i_ts)
 {
-	e1i_ts->driver.ipaccess.fd.when |= BSC_FD_WRITE;
+	e1i_ts->driver.ipaccess.fd.when |= OSMO_FD_WRITE;
 
 	return 0;
 }
@@ -474,7 +474,7 @@
 	int ret;
 
 	e1i_ts = ipaccess_line_ts(bfd, line);
-	bfd->when &= ~BSC_FD_WRITE;
+	bfd->when &= ~OSMO_FD_WRITE;
 
 	/* get the next msg for this timeslot */
 	msg = e1inp_tx_ts(e1i_ts, &sign_link);
@@ -489,7 +489,7 @@
 	case E1INP_SIGN_OSMO:
 		break;
 	default:
-		bfd->when |= BSC_FD_WRITE; /* come back for more msg */
+		bfd->when |= OSMO_FD_WRITE; /* come back for more msg */
 		ret = -EINVAL;
 		goto out;
 	}
@@ -540,9 +540,9 @@
 {
 	int rc = 0;
 
-	if (what & BSC_FD_READ)
+	if (what & OSMO_FD_READ)
 		rc = handle_ts1_read(bfd);
-	if (rc != -EBADF && (what & BSC_FD_WRITE))
+	if (rc != -EBADF && (what & OSMO_FD_WRITE))
 		rc = handle_ts1_write(bfd);
 
 	return rc;
@@ -649,7 +649,7 @@
 	e1i_ts = e1inp_line_ipa_oml_ts(line);
 
 	bfd = &e1i_ts->driver.ipaccess.fd;
-	osmo_fd_setup(bfd, fd, BSC_FD_READ, ipaccess_fd_cb, line, E1INP_SIGN_OML);
+	osmo_fd_setup(bfd, fd, OSMO_FD_READ, ipaccess_fd_cb, line, E1INP_SIGN_OML);
 	ret = osmo_fd_register(bfd);
 	if (ret < 0) {
 		LOGP(DLINP, LOGL_ERROR, "could not register FD\n");
@@ -702,7 +702,7 @@
 	e1i_ts = e1inp_line_ipa_rsl_ts(line, 0);
 
 	bfd = &e1i_ts->driver.ipaccess.fd;
-	osmo_fd_setup(bfd, fd, BSC_FD_READ, ipaccess_fd_cb, line, E1INP_SIGN_RSL);
+	osmo_fd_setup(bfd, fd, OSMO_FD_READ, ipaccess_fd_cb, line, E1INP_SIGN_RSL);
 	ret = osmo_fd_register(bfd);
 	if (ret < 0) {
 		LOGP(DLINP, LOGL_ERROR, "could not register FD\n");
diff --git a/src/input/misdn.c b/src/input/misdn.c
index 564d008..9d33932 100644
--- a/src/input/misdn.c
+++ b/src/input/misdn.c
@@ -216,7 +216,7 @@
 	if (e1i_ts->type == E1INP_TS_TYPE_TRAU)
 		return 0;
 
-	e1i_ts->driver.misdn.fd.when |= BSC_FD_WRITE;
+	e1i_ts->driver.misdn.fd.when |= OSMO_FD_WRITE;
 
 	return 0;
 }
@@ -242,7 +242,7 @@
 	uint8_t *l2_data;
 	int ret;
 
-	bfd->when &= ~BSC_FD_WRITE;
+	bfd->when &= ~OSMO_FD_WRITE;
 
 	/* get the next msg for this timeslot */
 	msg = e1inp_tx_ts(e1i_ts, &sign_link);
@@ -481,20 +481,20 @@
 
 	switch (e1i_ts->type) {
 	case E1INP_TS_TYPE_SIGN:
-		if (what & BSC_FD_READ)
+		if (what & OSMO_FD_READ)
 			rc = handle_ts1_read(bfd);
-		if (what & BSC_FD_WRITE)
+		if (what & OSMO_FD_WRITE)
 			rc = handle_ts1_write(bfd);
 		break;
 	case E1INP_TS_TYPE_TRAU:
-		if (what & BSC_FD_READ)
+		if (what & OSMO_FD_READ)
 			rc = handle_tsX_read(bfd);
 		/* We never include the mISDN B-Channel FD into the
 		 * writeset, since it doesn't support poll() based
 		 * write flow control */		
 		break;
 	case E1INP_TS_TYPE_RAW:
-		if (what & BSC_FD_READ)
+		if (what & OSMO_FD_READ)
 			rc = handle_ts_raw_read(bfd);
 		/* We never include the mISDN B-Channel FD into the
 		 * writeset, since it doesn't support poll() based
@@ -603,7 +603,7 @@
 		case E1INP_TS_TYPE_HDLC:
 			bfd->fd = socket(PF_ISDN, SOCK_DGRAM,
 				ISDN_P_B_HDLC);
-			bfd->when = BSC_FD_READ;
+			bfd->when = OSMO_FD_READ;
 			break;
 		case E1INP_TS_TYPE_SIGN:
 			if (mline->use_userspace_lapd)
@@ -612,7 +612,7 @@
 			else
 				bfd->fd = socket(PF_ISDN, SOCK_DGRAM,
 					ISDN_P_LAPD_NT);
-			bfd->when = BSC_FD_READ;
+			bfd->when = OSMO_FD_READ;
 			break;
 		case E1INP_TS_TYPE_TRAU:
 		case E1INP_TS_TYPE_RAW:
@@ -620,7 +620,7 @@
 			/* We never include the mISDN B-Channel FD into the
 	 		* writeset, since it doesn't support poll() based
 	 		* write flow control */		
-			bfd->when = BSC_FD_READ;
+			bfd->when = OSMO_FD_READ;
 			break;
 		}
 
diff --git a/src/input/rs232.c b/src/input/rs232.c
index dfbf97c..390d7fe 100644
--- a/src/input/rs232.c
+++ b/src/input/rs232.c
@@ -86,7 +86,7 @@
 	struct msgb *msg;
 	int written;
 
-	bfd->when &= ~BSC_FD_WRITE;
+	bfd->when &= ~OSMO_FD_WRITE;
 
 	/* get the next msg for this timeslot */
 	msg = e1inp_tx_ts(e1i_ts, &sign_link);
@@ -193,13 +193,13 @@
 {
 	int rc = 0;
 
-	if (what & BSC_FD_READ)
+	if (what & OSMO_FD_READ)
 		rc = handle_ser_read(bfd);
 
 	if (rc < 0)
 		return rc;
 
-	if (what & BSC_FD_WRITE)
+	if (what & OSMO_FD_WRITE)
 		rc = handle_ser_write(bfd);
 
 	return rc;
@@ -207,7 +207,7 @@
 
 static int rs232_want_write(struct e1inp_ts *e1i_ts)
 {
-	e1i_ts->driver.rs232.fd.when |= BSC_FD_WRITE;
+	e1i_ts->driver.rs232.fd.when |= OSMO_FD_WRITE;
 
 	return 0;
 }
@@ -256,7 +256,7 @@
 	ser_handle->line = line;
 	ser_handle->delay_ms = delay_ms;
 
-	bfd->when = BSC_FD_READ;
+	bfd->when = OSMO_FD_READ;
 	bfd->cb = serial_fd_cb;
 	bfd->data = ser_handle;
 
diff --git a/src/input/unixsocket.c b/src/input/unixsocket.c
index cfb4979..252da03 100644
--- a/src/input/unixsocket.c
+++ b/src/input/unixsocket.c
@@ -147,7 +147,7 @@
 	struct msgb *msg;
 	struct e1inp_sign_link *sign_link;
 
-	bfd->when &= ~BSC_FD_WRITE;
+	bfd->when &= ~OSMO_FD_WRITE;
 
 	/* get the next msg for this timeslot */
 	msg = e1inp_tx_ts(e1i_ts, &sign_link);
@@ -173,9 +173,9 @@
 {
 	int ret = 0;
 
-	if (what & BSC_FD_READ)
+	if (what & OSMO_FD_READ)
 		ret = unixsocket_read_cb(bfd);
-	if (what & BSC_FD_WRITE)
+	if (what & OSMO_FD_WRITE)
 		ret = unixsocket_write_cb(bfd);
 
 	return ret;
@@ -185,7 +185,7 @@
 {
 	struct unixsocket_line *line = e1i_ts->line->driver_data;
 
-	line->fd.when |= BSC_FD_WRITE;
+	line->fd.when |= OSMO_FD_WRITE;
 
 	return 0;
 }
@@ -243,7 +243,7 @@
 
 	config = line->driver_data;
 	config->fd.data = line;
-	config->fd.when = BSC_FD_READ;
+	config->fd.when = OSMO_FD_READ;
 	config->fd.cb = unixsocket_cb;
 
 	/* Open unix domain socket */