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authorPablo Neira Ayuso2011-06-05 18:32:44 +0200
committerPablo Neira Ayuso2011-06-05 18:32:44 +0200
commit0ba77d53a97906ee70a262083fb30f67fe8801c5 (patch)
tree8065c7c43c339458e9ef6425a2d45f3bedf777ad /include
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initial commit of libosmo-abis
still many things to get fixed
Diffstat (limited to 'include')
-rw-r--r--include/Makefile.am3
-rw-r--r--include/internal.h102
-rw-r--r--include/lapd.h46
-rw-r--r--include/mISDNif.h387
-rw-r--r--include/osmocom/Makefile.am1
-rw-r--r--include/osmocom/gsm/Makefile.am1
-rw-r--r--include/osmocom/gsm/abis/Makefile.am3
-rw-r--r--include/osmocom/gsm/abis/e1_input.h226
-rw-r--r--include/osmocom/gsm/abis/ipaccess.h93
-rw-r--r--include/osmocom/gsm/abis/subchan_demux.h101
-rw-r--r--include/osmocom/gsm/abis/trau_frame.h63
11 files changed, 1026 insertions, 0 deletions
diff --git a/include/Makefile.am b/include/Makefile.am
new file mode 100644
index 0000000..c94d3ee
--- /dev/null
+++ b/include/Makefile.am
@@ -0,0 +1,3 @@
+noinst_HEADERS=mISDNif.h internal.h lapd.h
+
+SUBDIRS=osmocom
diff --git a/include/internal.h b/include/internal.h
new file mode 100644
index 0000000..131e12b
--- /dev/null
+++ b/include/internal.h
@@ -0,0 +1,102 @@
+#ifndef _INTERNAL_H_
+#define _INTERNAL_H_
+
+/* things I don't know what to do with yet. */
+
+/* extracted from include/openbsc/debug.h. */
+#define BSC_CTX_BTS 2
+
+/* from include/openbsc/signal.h, we need SS_INPUT and S_GLOBAL_SHUTDOWN. */
+enum signal_subsystems {
+ SS_PAGING,
+ SS_SMS,
+ SS_ABISIP,
+ SS_NM,
+ SS_LCHAN,
+ SS_SUBSCR,
+ SS_SCALL,
+ SS_GLOBAL,
+ SS_CHALLOC,
+ SS_NS,
+ SS_IPAC_NWL,
+ SS_RF,
+ SS_MSC,
+ SS_HO,
+ SS_INPUT,
+};
+
+enum signal_global {
+ S_GLOBAL_SHUTDOWN,
+ S_GLOBAL_BTS_CLOSE_OM,
+};
+
+/* from include/openbsc/vty.h, we need E1INP_NODE */
+#include <osmocom/vty/vty.h>
+#include <osmocom/vty/buffer.h>
+#include <osmocom/vty/command.h>
+
+enum bsc_vty_node {
+ GSMNET_NODE = _LAST_OSMOVTY_NODE + 1,
+ BTS_NODE,
+ TRX_NODE,
+ TS_NODE,
+ SUBSCR_NODE,
+ MGCP_NODE,
+ GBPROXY_NODE,
+ SGSN_NODE,
+ NS_NODE,
+ BSSGP_NODE,
+ OML_NODE,
+ E1INP_NODE,
+ NAT_NODE,
+ NAT_BSC_NODE,
+ MSC_NODE,
+ OM2K_NODE,
+ TRUNK_NODE,
+ PGROUP_NODE,
+};
+
+/* from include/openbsc/debug.h */
+enum {
+ DRLL,
+ DCC,
+ DMM,
+ DRR,
+ DRSL,
+ DNM,
+ DMNCC,
+ DSMS,
+ DPAG,
+ DMEAS,
+ DMI,
+ DMIB,
+ DMUX,
+ DINP,
+ DSCCP,
+ DMSC,
+ DMGCP,
+ DHO,
+ DDB,
+ DREF,
+ DGPRS,
+ DNS,
+ DBSSGP,
+ DLLC,
+ DSNDCP,
+ DNAT,
+ Debug_LastEntry,
+};
+
+struct osmo_fd;
+struct msgb *ipaccess_read_msg(struct osmo_fd *bfd, int *error);
+void ipaccess_prepend_header(struct msgb *msg, int proto);
+
+#include <stdint.h>
+
+int make_sock(struct osmo_fd *bfd, int proto,
+ uint32_t ip, uint16_t port, int priv_nr,
+ int (*cb)(struct osmo_fd *fd, unsigned int what), void *data);
+
+uint8_t *trau_idle_frame(void);
+
+#endif
diff --git a/include/lapd.h b/include/lapd.h
new file mode 100644
index 0000000..fb980d1
--- /dev/null
+++ b/include/lapd.h
@@ -0,0 +1,46 @@
+#ifndef OPENBSC_LAPD_H
+#define OPENBSC_LAPD_H
+
+#include <stdint.h>
+
+#include <osmocom/core/linuxlist.h>
+
+typedef enum {
+ LAPD_MPH_NONE = 0,
+
+ LAPD_MPH_ACTIVATE_IND,
+ LAPD_MPH_DEACTIVATE_IND,
+
+ LAPD_DL_DATA_IND,
+ LAPD_DL_UNITDATA_IND,
+
+} lapd_mph_type;
+
+struct lapd_instance {
+ struct llist_head list; /* list of LAPD instances */
+ int network_side;
+
+ void (*transmit_cb)(uint8_t *data, int len, void *cbdata);
+ void *cbdata;
+
+ struct llist_head tei_list; /* list of TEI in this LAPD instance */
+};
+
+extern uint8_t *lapd_receive(struct lapd_instance *li, uint8_t *data, unsigned int len,
+ int *ilen, lapd_mph_type *prim);
+
+extern void lapd_transmit(struct lapd_instance *li, uint8_t tei, uint8_t sapi,
+ uint8_t *data, unsigned int len);
+
+struct lapd_instance *lapd_instance_alloc(int network_side,
+ void (*tx_cb)(uint8_t *data, int len,
+ void *cbdata), void *cbdata);
+
+
+/* Start a (user-side) SAP for the specified TEI/SAPI on the LAPD instance */
+int lapd_sap_start(struct lapd_instance *li, uint8_t tei, uint8_t sapi);
+
+/* Stop a (user-side) SAP for the specified TEI/SAPI on the LAPD instance */
+int lapd_sap_stop(struct lapd_instance *li, uint8_t tei, uint8_t sapi);
+
+#endif /* OPENBSC_LAPD_H */
diff --git a/include/mISDNif.h b/include/mISDNif.h
new file mode 100644
index 0000000..8e065d2
--- /dev/null
+++ b/include/mISDNif.h
@@ -0,0 +1,387 @@
+/*
+ *
+ * Author Karsten Keil <kkeil@novell.com>
+ *
+ * Copyright 2008 by Karsten Keil <kkeil@novell.com>
+ *
+ * This code is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU LESSER GENERAL PUBLIC LICENSE
+ * version 2.1 as published by the Free Software Foundation.
+ *
+ * This code 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 LESSER GENERAL PUBLIC LICENSE for more details.
+ *
+ */
+
+#ifndef mISDNIF_H
+#define mISDNIF_H
+
+#include <stdarg.h>
+#ifdef linux
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/socket.h>
+#else
+#include <sys/types.h>
+#include <sys/errno.h>
+#include <sys/socket.h>
+#endif
+
+/*
+ * ABI Version 32 bit
+ *
+ * <8 bit> Major version
+ * - changed if any interface become backwards incompatible
+ *
+ * <8 bit> Minor version
+ * - changed if any interface is extended but backwards compatible
+ *
+ * <16 bit> Release number
+ * - should be incremented on every checkin
+ */
+#define MISDN_MAJOR_VERSION 1
+#define MISDN_MINOR_VERSION 1
+#define MISDN_RELEASE 20
+
+/* primitives for information exchange
+ * generell format
+ * <16 bit 0 >
+ * <8 bit command>
+ * BIT 8 = 1 LAYER private
+ * BIT 7 = 1 answer
+ * BIT 6 = 1 DATA
+ * <8 bit target layer mask>
+ *
+ * Layer = 00 is reserved for general commands
+ Layer = 01 L2 -> HW
+ Layer = 02 HW -> L2
+ Layer = 04 L3 -> L2
+ Layer = 08 L2 -> L3
+ * Layer = FF is reserved for broadcast commands
+ */
+
+#define MISDN_CMDMASK 0xff00
+#define MISDN_LAYERMASK 0x00ff
+
+/* generell commands */
+#define OPEN_CHANNEL 0x0100
+#define CLOSE_CHANNEL 0x0200
+#define CONTROL_CHANNEL 0x0300
+#define CHECK_DATA 0x0400
+
+/* layer 2 -> layer 1 */
+#define PH_ACTIVATE_REQ 0x0101
+#define PH_DEACTIVATE_REQ 0x0201
+#define PH_DATA_REQ 0x2001
+#define MPH_ACTIVATE_REQ 0x0501
+#define MPH_DEACTIVATE_REQ 0x0601
+#define MPH_INFORMATION_REQ 0x0701
+#define PH_CONTROL_REQ 0x0801
+
+/* layer 1 -> layer 2 */
+#define PH_ACTIVATE_IND 0x0102
+#define PH_ACTIVATE_CNF 0x4102
+#define PH_DEACTIVATE_IND 0x0202
+#define PH_DEACTIVATE_CNF 0x4202
+#define PH_DATA_IND 0x2002
+#define PH_DATA_E_IND 0x3002
+#define MPH_ACTIVATE_IND 0x0502
+#define MPH_DEACTIVATE_IND 0x0602
+#define MPH_INFORMATION_IND 0x0702
+#define PH_DATA_CNF 0x6002
+#define PH_CONTROL_IND 0x0802
+#define PH_CONTROL_CNF 0x4802
+
+/* layer 3 -> layer 2 */
+#define DL_ESTABLISH_REQ 0x1004
+#define DL_RELEASE_REQ 0x1104
+#define DL_DATA_REQ 0x3004
+#define DL_UNITDATA_REQ 0x3104
+#define DL_INFORMATION_REQ 0x0004
+
+/* layer 2 -> layer 3 */
+#define DL_ESTABLISH_IND 0x1008
+#define DL_ESTABLISH_CNF 0x5008
+#define DL_RELEASE_IND 0x1108
+#define DL_RELEASE_CNF 0x5108
+#define DL_DATA_IND 0x3008
+#define DL_UNITDATA_IND 0x3108
+#define DL_INFORMATION_IND 0x0008
+
+/* intern layer 2 managment */
+#define MDL_ASSIGN_REQ 0x1804
+#define MDL_ASSIGN_IND 0x1904
+#define MDL_REMOVE_REQ 0x1A04
+#define MDL_REMOVE_IND 0x1B04
+#define MDL_STATUS_UP_IND 0x1C04
+#define MDL_STATUS_DOWN_IND 0x1D04
+#define MDL_STATUS_UI_IND 0x1E04
+#define MDL_ERROR_IND 0x1F04
+#define MDL_ERROR_RSP 0x5F04
+
+/* DL_INFORMATION_IND types */
+#define DL_INFO_L2_CONNECT 0x0001
+#define DL_INFO_L2_REMOVED 0x0002
+
+/* PH_CONTROL types */
+/* TOUCH TONE IS 0x20XX XX "0"..."9", "A","B","C","D","*","#" */
+#define DTMF_TONE_VAL 0x2000
+#define DTMF_TONE_MASK 0x007F
+#define DTMF_TONE_START 0x2100
+#define DTMF_TONE_STOP 0x2200
+#define DTMF_HFC_COEF 0x4000
+#define DSP_CONF_JOIN 0x2403
+#define DSP_CONF_SPLIT 0x2404
+#define DSP_RECEIVE_OFF 0x2405
+#define DSP_RECEIVE_ON 0x2406
+#define DSP_ECHO_ON 0x2407
+#define DSP_ECHO_OFF 0x2408
+#define DSP_MIX_ON 0x2409
+#define DSP_MIX_OFF 0x240a
+#define DSP_DELAY 0x240b
+#define DSP_JITTER 0x240c
+#define DSP_TXDATA_ON 0x240d
+#define DSP_TXDATA_OFF 0x240e
+#define DSP_TX_DEJITTER 0x240f
+#define DSP_TX_DEJ_OFF 0x2410
+#define DSP_TONE_PATT_ON 0x2411
+#define DSP_TONE_PATT_OFF 0x2412
+#define DSP_VOL_CHANGE_TX 0x2413
+#define DSP_VOL_CHANGE_RX 0x2414
+#define DSP_BF_ENABLE_KEY 0x2415
+#define DSP_BF_DISABLE 0x2416
+#define DSP_BF_ACCEPT 0x2416
+#define DSP_BF_REJECT 0x2417
+#define DSP_PIPELINE_CFG 0x2418
+#define HFC_VOL_CHANGE_TX 0x2601
+#define HFC_VOL_CHANGE_RX 0x2602
+#define HFC_SPL_LOOP_ON 0x2603
+#define HFC_SPL_LOOP_OFF 0x2604
+
+/* DSP_TONE_PATT_ON parameter */
+#define TONE_OFF 0x0000
+#define TONE_GERMAN_DIALTONE 0x0001
+#define TONE_GERMAN_OLDDIALTONE 0x0002
+#define TONE_AMERICAN_DIALTONE 0x0003
+#define TONE_GERMAN_DIALPBX 0x0004
+#define TONE_GERMAN_OLDDIALPBX 0x0005
+#define TONE_AMERICAN_DIALPBX 0x0006
+#define TONE_GERMAN_RINGING 0x0007
+#define TONE_GERMAN_OLDRINGING 0x0008
+#define TONE_AMERICAN_RINGPBX 0x000b
+#define TONE_GERMAN_RINGPBX 0x000c
+#define TONE_GERMAN_OLDRINGPBX 0x000d
+#define TONE_AMERICAN_RINGING 0x000e
+#define TONE_GERMAN_BUSY 0x000f
+#define TONE_GERMAN_OLDBUSY 0x0010
+#define TONE_AMERICAN_BUSY 0x0011
+#define TONE_GERMAN_HANGUP 0x0012
+#define TONE_GERMAN_OLDHANGUP 0x0013
+#define TONE_AMERICAN_HANGUP 0x0014
+#define TONE_SPECIAL_INFO 0x0015
+#define TONE_GERMAN_GASSENBESETZT 0x0016
+#define TONE_GERMAN_AUFSCHALTTON 0x0016
+
+/* MPH_INFORMATION_IND */
+#define L1_SIGNAL_LOS_OFF 0x0010
+#define L1_SIGNAL_LOS_ON 0x0011
+#define L1_SIGNAL_AIS_OFF 0x0012
+#define L1_SIGNAL_AIS_ON 0x0013
+#define L1_SIGNAL_RDI_OFF 0x0014
+#define L1_SIGNAL_RDI_ON 0x0015
+#define L1_SIGNAL_SLIP_RX 0x0020
+#define L1_SIGNAL_SLIP_TX 0x0021
+
+/*
+ * protocol ids
+ * D channel 1-31
+ * B channel 33 - 63
+ */
+
+#define ISDN_P_NONE 0
+#define ISDN_P_BASE 0
+#define ISDN_P_TE_S0 0x01
+#define ISDN_P_NT_S0 0x02
+#define ISDN_P_TE_E1 0x03
+#define ISDN_P_NT_E1 0x04
+#define ISDN_P_TE_UP0 0x05
+#define ISDN_P_NT_UP0 0x06
+
+#define IS_ISDN_P_TE(p) ((p == ISDN_P_TE_S0) || (p == ISDN_P_TE_E1) || \
+ (p == ISDN_P_TE_UP0) || (p == ISDN_P_LAPD_TE))
+#define IS_ISDN_P_NT(p) ((p == ISDN_P_NT_S0) || (p == ISDN_P_NT_E1) || \
+ (p == ISDN_P_NT_UP0) || (p == ISDN_P_LAPD_NT))
+#define IS_ISDN_P_S0(p) ((p == ISDN_P_TE_S0) || (p == ISDN_P_NT_S0))
+#define IS_ISDN_P_E1(p) ((p == ISDN_P_TE_E1) || (p == ISDN_P_NT_E1))
+#define IS_ISDN_P_UP0(p) ((p == ISDN_P_TE_UP0) || (p == ISDN_P_NT_UP0))
+
+
+#define ISDN_P_LAPD_TE 0x10
+#define ISDN_P_LAPD_NT 0x11
+
+#define ISDN_P_B_MASK 0x1f
+#define ISDN_P_B_START 0x20
+
+#define ISDN_P_B_RAW 0x21
+#define ISDN_P_B_HDLC 0x22
+#define ISDN_P_B_X75SLP 0x23
+#define ISDN_P_B_L2DTMF 0x24
+#define ISDN_P_B_L2DSP 0x25
+#define ISDN_P_B_L2DSPHDLC 0x26
+
+#define OPTION_L2_PMX 1
+#define OPTION_L2_PTP 2
+#define OPTION_L2_FIXEDTEI 3
+#define OPTION_L2_CLEANUP 4
+
+/* should be in sync with linux/kobject.h:KOBJ_NAME_LEN */
+#define MISDN_MAX_IDLEN 20
+
+struct mISDNhead {
+ unsigned int prim;
+ unsigned int id;
+} __attribute__((packed));
+
+#define MISDN_HEADER_LEN sizeof(struct mISDNhead)
+#define MAX_DATA_SIZE 2048
+#define MAX_DATA_MEM (MAX_DATA_SIZE + MISDN_HEADER_LEN)
+#define MAX_DFRAME_LEN 260
+
+#define MISDN_ID_ADDR_MASK 0xFFFF
+#define MISDN_ID_TEI_MASK 0xFF00
+#define MISDN_ID_SAPI_MASK 0x00FF
+#define MISDN_ID_TEI_ANY 0x7F00
+
+#define MISDN_ID_ANY 0xFFFF
+#define MISDN_ID_NONE 0xFFFE
+
+#define GROUP_TEI 127
+#define TEI_SAPI 63
+#define CTRL_SAPI 0
+
+#define MISDN_MAX_CHANNEL 127
+#define MISDN_CHMAP_SIZE ((MISDN_MAX_CHANNEL + 1) >> 3)
+
+#define SOL_MISDN 0
+
+struct sockaddr_mISDN {
+ sa_family_t family;
+ unsigned char dev;
+ unsigned char channel;
+ unsigned char sapi;
+ unsigned char tei;
+};
+
+struct mISDNversion {
+ unsigned char major;
+ unsigned char minor;
+ unsigned short release;
+};
+
+#define MAX_DEVICE_ID 63
+
+struct mISDN_devinfo {
+ u_int id;
+ u_int Dprotocols;
+ u_int Bprotocols;
+ u_int protocol;
+ u_char channelmap[MISDN_CHMAP_SIZE];
+ u_int nrbchan;
+ char name[MISDN_MAX_IDLEN];
+};
+
+struct mISDN_devrename {
+ u_int id;
+ char name[MISDN_MAX_IDLEN];
+};
+
+struct ph_info_ch {
+ int32_t protocol;
+ int64_t Flags;
+};
+
+struct ph_info_dch {
+ struct ph_info_ch ch;
+ int16_t state;
+ int16_t num_bch;
+};
+
+struct ph_info {
+ struct ph_info_dch dch;
+ struct ph_info_ch bch[];
+};
+
+/* timer device ioctl */
+#define IMADDTIMER _IOR('I', 64, int)
+#define IMDELTIMER _IOR('I', 65, int)
+/* socket ioctls */
+#define IMGETVERSION _IOR('I', 66, int)
+#define IMGETCOUNT _IOR('I', 67, int)
+#define IMGETDEVINFO _IOR('I', 68, int)
+#define IMCTRLREQ _IOR('I', 69, int)
+#define IMCLEAR_L2 _IOR('I', 70, int)
+#define IMSETDEVNAME _IOR('I', 71, struct mISDN_devrename)
+
+static inline int
+test_channelmap(u_int nr, u_char *map)
+{
+ if (nr <= MISDN_MAX_CHANNEL)
+ return map[nr >> 3] & (1 << (nr & 7));
+ else
+ return 0;
+}
+
+static inline void
+set_channelmap(u_int nr, u_char *map)
+{
+ map[nr >> 3] |= (1 << (nr & 7));
+}
+
+static inline void
+clear_channelmap(u_int nr, u_char *map)
+{
+ map[nr >> 3] &= ~(1 << (nr & 7));
+}
+
+/* CONTROL_CHANNEL parameters */
+#define MISDN_CTRL_GETOP 0x0000
+#define MISDN_CTRL_LOOP 0x0001
+#define MISDN_CTRL_CONNECT 0x0002
+#define MISDN_CTRL_DISCONNECT 0x0004
+#define MISDN_CTRL_PCMCONNECT 0x0010
+#define MISDN_CTRL_PCMDISCONNECT 0x0020
+#define MISDN_CTRL_SETPEER 0x0040
+#define MISDN_CTRL_UNSETPEER 0x0080
+#define MISDN_CTRL_RX_OFF 0x0100
+#define MISDN_CTRL_FILL_EMPTY 0x0200
+#define MISDN_CTRL_GETPEER 0x0400
+#define MISDN_CTRL_HW_FEATURES_OP 0x2000
+#define MISDN_CTRL_HW_FEATURES 0x2001
+#define MISDN_CTRL_HFC_OP 0x4000
+#define MISDN_CTRL_HFC_PCM_CONN 0x4001
+#define MISDN_CTRL_HFC_PCM_DISC 0x4002
+#define MISDN_CTRL_HFC_CONF_JOIN 0x4003
+#define MISDN_CTRL_HFC_CONF_SPLIT 0x4004
+#define MISDN_CTRL_HFC_RECEIVE_OFF 0x4005
+#define MISDN_CTRL_HFC_RECEIVE_ON 0x4006
+#define MISDN_CTRL_HFC_ECHOCAN_ON 0x4007
+#define MISDN_CTRL_HFC_ECHOCAN_OFF 0x4008
+
+
+/* socket options */
+#define MISDN_TIME_STAMP 0x0001
+
+struct mISDN_ctrl_req {
+ int op;
+ int channel;
+ int p1;
+ int p2;
+};
+
+/* muxer options */
+#define MISDN_OPT_ALL 1
+#define MISDN_OPT_TEIMGR 2
+
+#endif /* mISDNIF_H */
diff --git a/include/osmocom/Makefile.am b/include/osmocom/Makefile.am
new file mode 100644
index 0000000..999a3ee
--- /dev/null
+++ b/include/osmocom/Makefile.am
@@ -0,0 +1 @@
+SUBDIRS=gsm
diff --git a/include/osmocom/gsm/Makefile.am b/include/osmocom/gsm/Makefile.am
new file mode 100644
index 0000000..f9d5e7c
--- /dev/null
+++ b/include/osmocom/gsm/Makefile.am
@@ -0,0 +1 @@
+SUBDIRS=abis
diff --git a/include/osmocom/gsm/abis/Makefile.am b/include/osmocom/gsm/abis/Makefile.am
new file mode 100644
index 0000000..8bdcc96
--- /dev/null
+++ b/include/osmocom/gsm/abis/Makefile.am
@@ -0,0 +1,3 @@
+osmoabis_HEADERS = e1_input.h subchan_demux.h ipaccess.h trau_frame.h
+
+osmoabisdir = $(includedir)/osmocom/gsm/abis
diff --git a/include/osmocom/gsm/abis/e1_input.h b/include/osmocom/gsm/abis/e1_input.h
new file mode 100644
index 0000000..1911568
--- /dev/null
+++ b/include/osmocom/gsm/abis/e1_input.h
@@ -0,0 +1,226 @@
+#ifndef _E1_INPUT_H
+#define _E1_INPUT_H
+
+#include <stdlib.h>
+#include <netinet/in.h>
+
+#include <osmocom/core/linuxlist.h>
+//#include <openbsc/gsm_data.h>
+#include <osmocom/core/timer.h>
+#include <osmocom/core/msgb.h>
+#include <osmocom/core/select.h>
+#include <osmocom/gsm/abis/subchan_demux.h>
+
+#define NUM_E1_TS 32
+
+enum e1inp_sign_type {
+ E1INP_SIGN_NONE,
+ E1INP_SIGN_OML,
+ E1INP_SIGN_RSL,
+};
+const char *e1inp_signtype_name(enum e1inp_sign_type tp);
+
+struct e1inp_ts;
+
+struct e1inp_sign_link {
+ /* list of signalling links */
+ struct llist_head list;
+
+ /* to which timeslot do we belong? */
+ struct e1inp_ts *ts;
+
+ enum e1inp_sign_type type;
+
+ /* trx for msg->trx of received msgs */
+ struct gsm_bts_trx *trx;
+
+ /* msgb queue of to-be-transmitted msgs */
+ struct llist_head tx_list;
+
+ /* SAPI and TEI on the E1 TS */
+ uint8_t sapi;
+ uint8_t tei;
+
+ union {
+ struct {
+ uint8_t channel;
+ } misdn;
+ } driver;
+};
+
+enum e1inp_ts_type {
+ E1INP_TS_TYPE_NONE,
+ E1INP_TS_TYPE_SIGN,
+ E1INP_TS_TYPE_TRAU,
+};
+const char *e1inp_tstype_name(enum e1inp_ts_type tp);
+
+/* A timeslot in the E1 interface */
+struct e1inp_ts {
+ enum e1inp_ts_type type;
+ int num;
+
+ /* to which line do we belong ? */
+ struct e1inp_line *line;
+
+ union {
+ struct {
+ /* list of all signalling links on this TS */
+ struct llist_head sign_links;
+ /* delay for the queue */
+ int delay;
+ /* timer when to dequeue next frame */
+ struct osmo_timer_list tx_timer;
+ } sign;
+ struct {
+ /* subchannel demuxer for frames from E1 */
+ struct subch_demux demux;
+ /* subchannel muxer for frames to E1 */
+ struct subch_mux mux;
+ } trau;
+ };
+ union {
+ struct {
+ /* mISDN driver has one fd for each ts */
+ struct osmo_fd fd;
+ } misdn;
+ struct {
+ /* ip.access driver has one fd for each ts */
+ struct osmo_fd fd;
+ } ipaccess;
+ struct {
+ /* DAHDI driver has one fd for each ts */
+ struct osmo_fd fd;
+ struct lapd_instance *lapd;
+ } dahdi;
+ } driver;
+};
+
+struct gsm_e1_subslot {
+ /* Number of E1 link */
+ uint8_t e1_nr;
+ /* Number of E1 TS inside E1 link */
+ uint8_t e1_ts;
+ /* Sub-slot within the E1 TS, 0xff if full TS */
+ uint8_t e1_ts_ss;
+};
+
+enum e1inp_line_role {
+ E1INP_LINE_R_NONE,
+ E1INP_LINE_R_BSC,
+ E1INP_LINE_R_BTS,
+ E1INP_LINE_R_MAX
+};
+
+struct e1inp_driver {
+ struct llist_head list;
+ const char *name;
+ int (*want_write)(struct e1inp_ts *ts);
+ int (*line_update)(struct e1inp_line *line, enum e1inp_line_role role);
+ int default_delay;
+};
+
+struct e1inp_line {
+ struct llist_head list;
+ int refcnt;
+
+ unsigned int num;
+ const char *name;
+
+ /* array of timestlots */
+ struct e1inp_ts ts[NUM_E1_TS];
+
+ int (*rx)(struct msgb *msg, struct e1inp_ts *ts);
+ int (*rx_err)(int error);
+
+ struct e1inp_driver *driver;
+ void *driver_data;
+};
+
+/* SS_INPUT signals */
+enum signal_input {
+ S_INP_NONE,
+ S_INP_TEI_UP,
+ S_INP_TEI_DN,
+ S_INP_LINE_INIT,
+ S_INP_LINE_ALARM,
+ S_INP_LINE_NOALARM,
+};
+
+/* register a driver with the E1 core */
+int e1inp_driver_register(struct e1inp_driver *drv);
+
+/* fine a previously registered driver */
+struct e1inp_driver *e1inp_driver_find(const char *name);
+
+/* register a line with the E1 core */
+int e1inp_line_register(struct e1inp_line *line);
+
+/* get a line by its ID */
+struct e1inp_line *e1inp_line_get(uint8_t e1_nr);
+
+/* create a line in the E1 input core */
+struct e1inp_line *e1inp_line_create(uint8_t e1_nr, const char *driver_name, int (*rx)(struct msgb *msg, struct e1inp_ts *ts), int (*rx_err)(int error));
+
+/* find a sign_link for given TEI and SAPI in a TS */
+struct e1inp_sign_link *
+e1inp_lookup_sign_link(struct e1inp_ts *ts, uint8_t tei,
+ uint8_t sapi);
+
+/* create a new signalling link in a E1 timeslot */
+struct e1inp_sign_link *
+e1inp_sign_link_create(struct e1inp_ts *ts, enum e1inp_sign_type type,
+ struct gsm_bts_trx *trx, uint8_t tei,
+ uint8_t sapi);
+
+/* configure and initialize one e1inp_ts */
+int e1inp_ts_config_sign(struct e1inp_ts *ts, struct e1inp_line *line);
+int e1inp_ts_config_trau(struct e1inp_ts *ts, struct e1inp_line *line,
+ int (*subch_cb)(struct subch_demux *dmx, int ch,
+ uint8_t *data, int len, void *_priv));
+
+/* Call from the Stack: configuration of this TS has changed */
+int e1inp_update_ts(struct e1inp_ts *ts);
+
+/* Receive a packet from the E1 driver */
+int e1inp_rx_ts(struct e1inp_ts *ts, struct msgb *msg,
+ uint8_t tei, uint8_t sapi);
+
+/* called by driver if it wants to transmit on a given TS */
+struct msgb *e1inp_tx_ts(struct e1inp_ts *e1i_ts,
+ struct e1inp_sign_link **sign_link);
+
+/* called by driver in case some kind of link state event */
+int e1inp_event(struct e1inp_ts *ts, int evt, uint8_t tei, uint8_t sapi);
+
+/* Write LAPD frames to the fd. */
+void e1_set_pcap_fd(int fd);
+
+/* called by TRAU muxer to obtain the destination mux entity */
+struct subch_mux *e1inp_get_mux(uint8_t e1_nr, uint8_t ts_nr);
+
+void e1inp_sign_link_destroy(struct e1inp_sign_link *link);
+int e1inp_line_update(struct e1inp_line *line, enum e1inp_line_role role);
+
+struct gsm_network;
+int ipaccess_setup(struct gsm_network *gsmnet);
+int hsl_setup(struct gsm_network *gsmnet);
+
+extern struct llist_head e1inp_driver_list;
+extern struct llist_head e1inp_line_list;
+
+int e1inp_vty_init(void);
+void e1inp_init(void);
+
+int _abis_nm_sendmsg(struct msgb *msg, int to_trx_oml);
+
+/* XXX */
+struct input_signal_data {
+ int link_type;
+ uint8_t tei;
+ uint8_t sapi;
+ struct gsm_bts_trx *trx;
+ struct e1inp_line *line;
+};
+
+#endif /* _E1_INPUT_H */
diff --git a/include/osmocom/gsm/abis/ipaccess.h b/include/osmocom/gsm/abis/ipaccess.h
new file mode 100644
index 0000000..2792572
--- /dev/null
+++ b/include/osmocom/gsm/abis/ipaccess.h
@@ -0,0 +1,93 @@
+#ifndef _OSMO_PROTO_IPACCESS_H
+#define _OSMO_PROTO_IPACCESS_H
+
+#include <stdint.h>
+
+#define IPA_TCP_PORT_OML 3002
+#define IPA_TCP_PORT_RSL 3003
+
+struct ipaccess_head {
+ uint16_t len; /* network byte order */
+ uint8_t proto;
+ uint8_t data[0];
+} __attribute__ ((packed));
+
+struct ipaccess_head_ext {
+ uint8_t proto;
+ uint8_t data[0];
+} __attribute__ ((packed));
+
+enum ipaccess_proto {
+ IPAC_PROTO_RSL = 0x00,
+ IPAC_PROTO_IPACCESS = 0xfe,
+ IPAC_PROTO_SCCP = 0xfd,
+ IPAC_PROTO_OML = 0xff,
+
+
+ /* OpenBSC extensions */
+ IPAC_PROTO_OSMO = 0xee,
+ IPAC_PROTO_MGCP_OLD = 0xfc,
+};
+
+enum ipaccess_proto_ext {
+ IPAC_PROTO_EXT_CTRL = 0x00,
+ IPAC_PROTO_EXT_MGCP = 0x01,
+ IPAC_PROTO_EXT_LAC = 0x02,
+};
+
+enum ipaccess_msgtype {
+ IPAC_MSGT_PING = 0x00,
+ IPAC_MSGT_PONG = 0x01,
+ IPAC_MSGT_ID_GET = 0x04,
+ IPAC_MSGT_ID_RESP = 0x05,
+ IPAC_MSGT_ID_ACK = 0x06,
+
+ /* OpenBSC extension */
+ IPAC_MSGT_SCCP_OLD = 0xff,
+};
+
+enum ipaccess_id_tags {
+ IPAC_IDTAG_SERNR = 0x00,
+ IPAC_IDTAG_UNITNAME = 0x01,
+ IPAC_IDTAG_LOCATION1 = 0x02,
+ IPAC_IDTAG_LOCATION2 = 0x03,
+ IPAC_IDTAG_EQUIPVERS = 0x04,
+ IPAC_IDTAG_SWVERSION = 0x05,
+ IPAC_IDTAG_IPADDR = 0x06,
+ IPAC_IDTAG_MACADDR = 0x07,
+ IPAC_IDTAG_UNIT = 0x08,
+};
+
+/*
+ * Firmware specific header
+ */
+struct sdp_firmware {
+ char magic[4];
+ char more_magic[2];
+ uint16_t more_more_magic;
+ uint32_t header_length;
+ uint32_t file_length;
+ char sw_part[20];
+ char text1[64];
+ char time[12];
+ char date[14];
+ char text2[10];
+ char version[20];
+ uint16_t table_offset;
+ /* stuff i don't know */
+} __attribute__((packed));
+
+struct sdp_header_entry {
+ uint16_t something1;
+ char text1[64];
+ char time[12];
+ char date[14];
+ char text2[10];
+ char version[20];
+ uint32_t length;
+ uint32_t addr1;
+ uint32_t addr2;
+ uint32_t start;
+} __attribute__((packed));
+
+#endif /* _OSMO_PROTO_IPACCESS_H */
diff --git a/include/osmocom/gsm/abis/subchan_demux.h b/include/osmocom/gsm/abis/subchan_demux.h
new file mode 100644
index 0000000..b71c856
--- /dev/null
+++ b/include/osmocom/gsm/abis/subchan_demux.h
@@ -0,0 +1,101 @@
+#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 */
diff --git a/include/osmocom/gsm/abis/trau_frame.h b/include/osmocom/gsm/abis/trau_frame.h
new file mode 100644
index 0000000..a76da33
--- /dev/null
+++ b/include/osmocom/gsm/abis/trau_frame.h
@@ -0,0 +1,63 @@
+#ifndef _TRAU_FRAME_H
+#define _TRAU_FRAME_H
+/* TRAU frame handling according to GSM TS 08.60 */
+
+/* (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>
+
+/* 21 for FR/EFR, 25 for AMR, 15 for OM, 15 for data, 13 for E-data, 21 idle */
+#define MAX_C_BITS 25
+/* 260 for FR/EFR, 256 for AMR, 264 for OM, 288 for E-data */
+#define MAX_D_BITS 288
+/* for all speech frames */
+#define MAX_T_BITS 4
+/* for OM */
+#define MAX_S_BITS 6
+/* for E-data */
+#define MAX_M_BITS 2
+
+struct decoded_trau_frame {
+ uint8_t c_bits[MAX_C_BITS];
+ uint8_t d_bits[MAX_D_BITS];
+ uint8_t t_bits[MAX_T_BITS];
+ uint8_t s_bits[MAX_S_BITS];
+ uint8_t m_bits[MAX_M_BITS];
+};
+
+#define TRAU_FT_FR_UP 0x02 /* 0 0 0 1 0 - 3.5.1.1.1 */
+#define TRAU_FT_FR_DOWN 0x1c /* 1 1 1 0 0 - 3.5.1.1.1 */
+#define TRAU_FT_EFR 0x1a /* 1 1 0 1 0 - 3.5.1.1.1 */
+#define TRAU_FT_AMR 0x06 /* 0 0 1 1 0 - 3.5.1.2 */
+#define TRAU_FT_OM_UP 0x07 /* 0 0 1 0 1 - 3.5.2 */
+#define TRAU_FT_OM_DOWN 0x1b /* 1 1 0 1 1 - 3.5.2 */
+#define TRAU_FT_DATA_UP 0x08 /* 0 1 0 0 0 - 3.5.3 */
+#define TRAU_FT_DATA_DOWN 0x16 /* 1 0 1 1 0 - 3.5.3 */
+#define TRAU_FT_D145_SYNC 0x14 /* 1 0 1 0 0 - 3.5.3 */
+#define TRAU_FT_EDATA 0x1f /* 1 1 1 1 1 - 3.5.4 */
+#define TRAU_FT_IDLE_UP 0x10 /* 1 0 0 0 0 - 3.5.5 */
+#define TRAU_FT_IDLE_DOWN 0x0e /* 0 1 1 1 0 - 3.5.5 */
+
+
+int decode_trau_frame(struct decoded_trau_frame *fr, const uint8_t *trau_bits);
+int encode_trau_frame(uint8_t *trau_bits, const struct decoded_trau_frame *fr);
+int trau_frame_up2down(struct decoded_trau_frame *fr);
+
+
+#endif /* _TRAU_FRAME_H */