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-rw-r--r--openbsc/include/openbsc/subchan_demux.h101
1 files changed, 0 insertions, 101 deletions
diff --git a/openbsc/include/openbsc/subchan_demux.h b/openbsc/include/openbsc/subchan_demux.h
deleted file mode 100644
index b71c856d..00000000
--- a/openbsc/include/openbsc/subchan_demux.h
+++ /dev/null
@@ -1,101 +0,0 @@
-#ifndef _SUBCH_DEMUX_H
-#define _SUBCH_DEMUX_H
-/* A E1 sub-channel (de)multiplexer with TRAU frame sync */
-
-/* (C) 2009 by Harald Welte <laforge@gnumonks.org>
- * All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#include <stdint.h>
-#include <osmocom/core/linuxlist.h>
-
-#define NR_SUBCH 4
-#define TRAU_FRAME_SIZE 40
-#define TRAU_FRAME_BITS (TRAU_FRAME_SIZE*8)
-
-/***********************************************************************/
-/* DEMULTIPLEXER */
-/***********************************************************************/
-
-struct demux_subch {
- uint8_t out_bitbuf[TRAU_FRAME_BITS];
- uint16_t out_idx; /* next bit to be written in out_bitbuf */
- /* number of consecutive zeros that we have received (for sync) */
- unsigned int consecutive_zeros;
- /* are we in TRAU frame sync or not? */
- unsigned int in_sync;
-};
-
-struct subch_demux {
- /* bitmask of currently active subchannels */
- uint8_t chan_activ;
- /* one demux_subch struct for every subchannel */
- struct demux_subch subch[NR_SUBCH];
- /* callback to be called once we have received a complete
- * frame on a given subchannel */
- int (*out_cb)(struct subch_demux *dmx, int ch, uint8_t *data, int len,
- void *);
- /* user-provided data, transparently passed to out_cb() */
- void *data;
-};
-
-/* initialize one demultiplexer instance */
-int subch_demux_init(struct subch_demux *dmx);
-
-/* feed 'len' number of muxed bytes into the demultiplexer */
-int subch_demux_in(struct subch_demux *dmx, uint8_t *data, int len);
-
-/* activate decoding/processing for one subchannel */
-int subch_demux_activate(struct subch_demux *dmx, int subch);
-
-/* deactivate decoding/processing for one subchannel */
-int subch_demux_deactivate(struct subch_demux *dmx, int subch);
-
-/***********************************************************************/
-/* MULTIPLEXER */
-/***********************************************************************/
-
-/* one element in the tx_queue of a muxer sub-channel */
-struct subch_txq_entry {
- struct llist_head list;
-
- unsigned int bit_len; /* total number of bits in 'bits' */
- unsigned int next_bit; /* next bit to be transmitted */
-
- uint8_t bits[0]; /* one bit per byte */
-};
-
-struct mux_subch {
- struct llist_head tx_queue;
-};
-
-/* structure representing one instance of the subchannel muxer */
-struct subch_mux {
- struct mux_subch subch[NR_SUBCH];
-};
-
-/* initialize a subchannel muxer instance */
-int subchan_mux_init(struct subch_mux *mx);
-
-/* request the output of 'len' multiplexed bytes */
-int subchan_mux_out(struct subch_mux *mx, uint8_t *data, int len);
-
-/* enqueue some data into one sub-channel of the muxer */
-int subchan_mux_enqueue(struct subch_mux *mx, int s_nr, const uint8_t *data,
- int len);
-
-#endif /* _SUBCH_DEMUX_H */