diff options
Diffstat (limited to 'src/libbsc/abis_om2000.c')
| -rw-r--r-- | src/libbsc/abis_om2000.c | 2776 |
1 files changed, 2776 insertions, 0 deletions
diff --git a/src/libbsc/abis_om2000.c b/src/libbsc/abis_om2000.c new file mode 100644 index 000000000..82a14b269 --- /dev/null +++ b/src/libbsc/abis_om2000.c @@ -0,0 +1,2776 @@ +/* Ericsson RBS 2xxx GSM O&M (OM2000) messages on the A-bis interface + * implemented based on protocol trace analysis, no formal documentation */ + +/* (C) 2010-2011,2016 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 <errno.h> +#include <unistd.h> +#include <stdio.h> +#include <stdlib.h> +#include <time.h> +#include <stdint.h> + +#include <arpa/inet.h> + +#include <osmocom/core/msgb.h> +#include <osmocom/gsm/tlv.h> +#include <osmocom/core/talloc.h> +#include <osmocom/core/utils.h> +#include <osmocom/core/fsm.h> + +#include <openbsc/gsm_data.h> +#include <openbsc/debug.h> +#include <openbsc/abis_nm.h> +#include <openbsc/abis_rsl.h> +#include <openbsc/abis_om2000.h> +#include <openbsc/signal.h> +#include <osmocom/abis/e1_input.h> + +/* FIXME: move to libosmocore */ +struct osmo_fsm_inst *osmo_fsm_inst_alloc_child_id(struct osmo_fsm *fsm, + struct osmo_fsm_inst *parent, + uint32_t parent_term_event, + const char *id) +{ + struct osmo_fsm_inst *fi; + + fi = osmo_fsm_inst_alloc(fsm, parent, NULL, parent->log_level, + id ? id : parent->id); + if (!fi) { + /* indicate immediate termination to caller */ + osmo_fsm_inst_dispatch(parent, parent_term_event, NULL); + return NULL; + } + + LOGPFSM(fi, "is child of %s\n", osmo_fsm_inst_name(parent)); + + fi->proc.parent = parent; + fi->proc.parent_term_event = parent_term_event; + llist_add(&fi->proc.child, &parent->proc.children); + + return fi; +} + + +#define OM_ALLOC_SIZE 1024 +#define OM_HEADROOM_SIZE 128 + +#define OM2K_TIMEOUT 10 +#define TRX_FSM_TIMEOUT 60 +#define BTS_FSM_TIMEOUT 60 + +/* use following functions from abis_nm.c: + * om2k_msgb_alloc() + * abis_om2k_sendmsg() + */ + +struct abis_om2k_hdr { + struct abis_om_hdr om; + uint16_t msg_type; + struct abis_om2k_mo mo; + uint8_t data[0]; +} __attribute__ ((packed)); + +enum abis_om2k_msgtype { + OM2K_MSGT_ABORT_SP_CMD = 0x0000, + OM2K_MSGT_ABORT_SP_COMPL = 0x0002, + OM2K_MSGT_ALARM_REP_ACK = 0x0004, + OM2K_MSGT_ALARM_REP_NACK = 0x0005, + OM2K_MSGT_ALARM_REP = 0x0006, + OM2K_MSGT_ALARM_STATUS_REQ = 0x0008, + OM2K_MSGT_ALARM_STATUS_REQ_ACK = 0x000a, + OM2K_MSGT_ALARM_STATUS_REQ_REJ = 0x000b, + OM2K_MSGT_ALARM_STATUS_RES_ACK = 0x000c, + OM2K_MSGT_ALARM_STATUS_RES_NACK = 0x000d, + OM2K_MSGT_ALARM_STATUS_RES = 0x000e, + OM2K_MSGT_CAL_TIME_RESP = 0x0010, + OM2K_MSGT_CAL_TIME_REJ = 0x0011, + OM2K_MSGT_CAL_TIME_REQ = 0x0012, + + OM2K_MSGT_CON_CONF_REQ = 0x0014, + OM2K_MSGT_CON_CONF_REQ_ACK = 0x0016, + OM2K_MSGT_CON_CONF_REQ_REJ = 0x0017, + OM2K_MSGT_CON_CONF_RES_ACK = 0x0018, + OM2K_MSGT_CON_CONF_RES_NACK = 0x0019, + OM2K_MSGT_CON_CONF_RES = 0x001a, + + OM2K_MSGT_CONNECT_CMD = 0x001c, + OM2K_MSGT_CONNECT_COMPL = 0x001e, + OM2K_MSGT_CONNECT_REJ = 0x001f, + + OM2K_MSGT_DISABLE_REQ = 0x0028, + OM2K_MSGT_DISABLE_REQ_ACK = 0x002a, + OM2K_MSGT_DISABLE_REQ_REJ = 0x002b, + OM2K_MSGT_DISABLE_RES_ACK = 0x002c, + OM2K_MSGT_DISABLE_RES_NACK = 0x002d, + OM2K_MSGT_DISABLE_RES = 0x002e, + OM2K_MSGT_DISCONNECT_CMD = 0x0030, + OM2K_MSGT_DISCONNECT_COMPL = 0x0032, + OM2K_MSGT_DISCONNECT_REJ = 0x0033, + OM2K_MSGT_ENABLE_REQ = 0x0034, + OM2K_MSGT_ENABLE_REQ_ACK = 0x0036, + OM2K_MSGT_ENABLE_REQ_REJ = 0x0037, + OM2K_MSGT_ENABLE_RES_ACK = 0x0038, + OM2K_MSGT_ENABLE_RES_NACK = 0x0039, + OM2K_MSGT_ENABLE_RES = 0x003a, + + OM2K_MSGT_FAULT_REP_ACK = 0x0040, + OM2K_MSGT_FAULT_REP_NACK = 0x0041, + OM2K_MSGT_FAULT_REP = 0x0042, + + OM2K_MSGT_IS_CONF_REQ = 0x0060, + OM2K_MSGT_IS_CONF_REQ_ACK = 0x0062, + OM2K_MSGT_IS_CONF_REQ_REJ = 0x0063, + OM2K_MSGT_IS_CONF_RES_ACK = 0x0064, + OM2K_MSGT_IS_CONF_RES_NACK = 0x0065, + OM2K_MSGT_IS_CONF_RES = 0x0066, + + OM2K_MSGT_OP_INFO = 0x0074, + OM2K_MSGT_OP_INFO_ACK = 0x0076, + OM2K_MSGT_OP_INFO_REJ = 0x0077, + OM2K_MSGT_RESET_CMD = 0x0078, + OM2K_MSGT_RESET_COMPL = 0x007a, + OM2K_MSGT_RESET_REJ = 0x007b, + OM2K_MSGT_RX_CONF_REQ = 0x007c, + OM2K_MSGT_RX_CONF_REQ_ACK = 0x007e, + OM2K_MSGT_RX_CONF_REQ_REJ = 0x007f, + OM2K_MSGT_RX_CONF_RES_ACK = 0x0080, + OM2K_MSGT_RX_CONF_RES_NACK = 0x0081, + OM2K_MSGT_RX_CONF_RES = 0x0082, + OM2K_MSGT_START_REQ = 0x0084, + OM2K_MSGT_START_REQ_ACK = 0x0086, + OM2K_MSGT_START_REQ_REJ = 0x0087, + OM2K_MSGT_START_RES_ACK = 0x0088, + OM2K_MSGT_START_RES_NACK = 0x0089, + OM2K_MSGT_START_RES = 0x008a, + OM2K_MSGT_STATUS_REQ = 0x008c, + OM2K_MSGT_STATUS_RESP = 0x008e, + OM2K_MSGT_STATUS_REJ = 0x008f, + + OM2K_MSGT_TEST_REQ = 0x0094, + OM2K_MSGT_TEST_REQ_ACK = 0x0096, + OM2K_MSGT_TEST_REQ_REJ = 0x0097, + OM2K_MSGT_TEST_RES_ACK = 0x0098, + OM2K_MSGT_TEST_RES_NACK = 0x0099, + OM2K_MSGT_TEST_RES = 0x009a, + + OM2K_MSGT_TF_CONF_REQ = 0x00a0, + OM2K_MSGT_TF_CONF_REQ_ACK = 0x00a2, + OM2K_MSGT_TF_CONF_REQ_REJ = 0x00a3, + OM2K_MSGT_TF_CONF_RES_ACK = 0x00a4, + OM2K_MSGT_TF_CONF_RES_NACK = 0x00a5, + OM2K_MSGT_TF_CONF_RES = 0x00a6, + OM2K_MSGT_TS_CONF_REQ = 0x00a8, + OM2K_MSGT_TS_CONF_REQ_ACK = 0x00aa, + OM2K_MSGT_TS_CONF_REQ_REJ = 0x00ab, + OM2K_MSGT_TS_CONF_RES_ACK = 0x00ac, + OM2K_MSGT_TS_CONF_RES_NACK = 0x00ad, + OM2K_MSGT_TS_CONF_RES = 0x00ae, + OM2K_MSGT_TX_CONF_REQ = 0x00b0, + OM2K_MSGT_TX_CONF_REQ_ACK = 0x00b2, + OM2K_MSGT_TX_CONF_REQ_REJ = 0x00b3, + OM2K_MSGT_TX_CONF_RES_ACK = 0x00b4, + OM2K_MSGT_TX_CONF_RES_NACK = 0x00b5, + OM2K_MSGT_TX_CONF_RES = 0x00b6, + + OM2K_MSGT_CAPA_REQ = 0x00e8, + OM2K_MSGT_CAPA_REQ_ACK = 0x00ea, + OM2K_MSGT_CAPA_REQ_REJ = 0x00eb, + OM2K_MSGT_CAPA_RES = 0x00ee, + OM2K_MSGT_CAPA_RES_ACK = 0x00ec, + OM2K_MSGT_CAPA_RES_NACK = 0x00ed, + + OM2K_MSGT_NEGOT_REQ_ACK = 0x0104, + OM2K_MSGT_NEGOT_REQ_NACK = 0x0105, + OM2K_MSGT_NEGOT_REQ = 0x0106, +}; + +enum abis_om2k_dei { + OM2K_DEI_ACCORDANCE_IND = 0x00, + OM2K_DEI_BCC = 0x06, + OM2K_DEI_BS_AG_BKS_RES = 0x07, + OM2K_DEI_BSIC = 0x09, + OM2K_DEI_BA_PA_MFRMS = 0x0a, + OM2K_DEI_CBCH_INDICATOR = 0x0b, + OM2K_DEI_CCCH_OPTIONS = 0x0c, + OM2K_DEI_CAL_TIME = 0x0d, + OM2K_DEI_COMBINATION = 0x0f, + OM2K_DEI_CON_CONN_LIST = 0x10, + OM2K_DEI_DRX_DEV_MAX = 0x12, + OM2K_DEI_END_LIST_NR = 0x13, + OM2K_DEI_EXT_COND_MAP_1 = 0x14, + OM2K_DEI_EXT_COND_MAP_2 = 0x15, + OM2K_DEI_FILLING_MARKER = 0x1c, + OM2K_DEI_FN_OFFSET = 0x1d, + OM2K_DEI_FREQ_LIST = 0x1e, + OM2K_DEI_FREQ_SPEC_RX = 0x1f, + OM2K_DEI_FREQ_SPEC_TX = 0x20, + OM2K_DEI_HSN = 0x21, + OM2K_DEI_ICM_INDICATOR = 0x22, + OM2K_DEI_INT_FAULT_MAP_1A = 0x23, + OM2K_DEI_INT_FAULT_MAP_1B = 0x24, + OM2K_DEI_INT_FAULT_MAP_2A = 0x25, + OM2K_DEI_INT_FAULT_MAP_2A_EXT = 0x26, + OM2K_DEI_IS_CONN_LIST = 0x27, + OM2K_DEI_LIST_NR = 0x28, + OM2K_DEI_LOCAL_ACCESS = 0x2a, + OM2K_DEI_MAIO = 0x2b, + OM2K_DEI_MO_STATE = 0x2c, + OM2K_DEI_NY1 = 0x2d, + OM2K_DEI_OP_INFO = 0x2e, + OM2K_DEI_POWER = 0x2f, + OM2K_DEI_REASON_CODE = 0x32, + OM2K_DEI_RX_DIVERSITY = 0x33, + OM2K_DEI_REPL_UNIT_MAP = 0x34, + OM2K_DEI_RESULT_CODE = 0x35, + OM2K_DEI_T3105 = 0x38, + OM2K_DEI_TF_MODE = 0x3a, + OM2K_DEI_TS_NR = 0x3c, + OM2K_DEI_TSC = 0x3d, + OM2K_DEI_BTS_VERSION = 0x40, + OM2K_DEI_OML_IWD_VERSION = 0x41, + OM2K_DEI_RSL_IWD_VERSION = 0x42, + OM2K_DEI_OML_FUNC_MAP_1 = 0x43, + OM2K_DEI_OML_FUNC_MAP_2 = 0x44, + OM2K_DEI_RSL_FUNC_MAP_1 = 0x45, + OM2K_DEI_RSL_FUNC_MAP_2 = 0x46, + OM2K_DEI_EXT_RANGE = 0x47, + OM2K_DEI_REQ_IND = 0x48, + OM2K_DEI_REPL_UNIT_MAP_EXT = 0x50, + OM2K_DEI_ICM_BOUND_PARAMS = 0x74, + OM2K_DEI_LSC = 0x79, + OM2K_DEI_LSC_FILT_TIME = 0x7a, + OM2K_DEI_CALL_SUPV_TIME = 0x7b, + OM2K_DEI_ICM_CHAN_RATE = 0x7e, + OM2K_DEI_HW_INFO_SIG = 0x84, + OM2K_DEI_TF_SYNC_SRC = 0x86, + OM2K_DEI_TTA = 0x87, + OM2K_DEI_CAPA_SIG = 0x8a, + OM2K_DEI_NEGOT_REC1 = 0x90, + OM2K_DEI_NEGOT_REC2 = 0x91, + OM2K_DEI_ENCR_ALG = 0x92, + OM2K_DEI_INTERF_REJ_COMB = 0x94, + OM2K_DEI_FS_OFFSET = 0x98, + OM2K_DEI_EXT_COND_MAP_2_EXT = 0x9c, + OM2K_DEI_TSS_MO_STATE = 0x9d, +}; + +const struct tlv_definition om2k_att_tlvdef = { + .def = { + [OM2K_DEI_ACCORDANCE_IND] = { TLV_TYPE_TV }, + [OM2K_DEI_BCC] = { TLV_TYPE_TV }, + [OM2K_DEI_BS_AG_BKS_RES] = { TLV_TYPE_TV }, + [OM2K_DEI_BSIC] = { TLV_TYPE_TV }, + [OM2K_DEI_BA_PA_MFRMS] = { TLV_TYPE_TV }, + [OM2K_DEI_CBCH_INDICATOR] = { TLV_TYPE_TV }, + [OM2K_DEI_INT_FAULT_MAP_1A] = { TLV_TYPE_FIXED, 6 }, + [OM2K_DEI_INT_FAULT_MAP_1B] = { TLV_TYPE_FIXED, 6 }, + [OM2K_DEI_INT_FAULT_MAP_2A] = { TLV_TYPE_FIXED, 6 }, + [OM2K_DEI_INT_FAULT_MAP_2A_EXT]={ TLV_TYPE_FIXED, 6 }, + [OM2K_DEI_CCCH_OPTIONS] = { TLV_TYPE_TV }, + [OM2K_DEI_CAL_TIME] = { TLV_TYPE_FIXED, 6 }, + [OM2K_DEI_COMBINATION] = { TLV_TYPE_TV }, + [OM2K_DEI_CON_CONN_LIST] = { TLV_TYPE_TLV }, + [OM2K_DEI_DRX_DEV_MAX] = { TLV_TYPE_TV }, + [OM2K_DEI_END_LIST_NR] = { TLV_TYPE_TV }, + [OM2K_DEI_EXT_COND_MAP_1] = { TLV_TYPE_FIXED, 2 }, + [OM2K_DEI_EXT_COND_MAP_2] = { TLV_TYPE_FIXED, 2 }, + [OM2K_DEI_FILLING_MARKER] = { TLV_TYPE_TV }, + [OM2K_DEI_FN_OFFSET] = { TLV_TYPE_FIXED, 2 }, + [OM2K_DEI_FREQ_LIST] = { TLV_TYPE_TLV }, + [OM2K_DEI_FREQ_SPEC_RX] = { TLV_TYPE_FIXED, 2 }, + [OM2K_DEI_FREQ_SPEC_TX] = { TLV_TYPE_FIXED, 2 }, + [OM2K_DEI_HSN] = { TLV_TYPE_TV }, + [OM2K_DEI_ICM_INDICATOR] = { TLV_TYPE_TV }, + [OM2K_DEI_IS_CONN_LIST] = { TLV_TYPE_TLV }, + [OM2K_DEI_LIST_NR] = { TLV_TYPE_TV }, + [OM2K_DEI_LOCAL_ACCESS] = { TLV_TYPE_TV }, + [OM2K_DEI_MAIO] = { TLV_TYPE_TV }, + [OM2K_DEI_MO_STATE] = { TLV_TYPE_TV }, + [OM2K_DEI_NY1] = { TLV_TYPE_TV }, + [OM2K_DEI_OP_INFO] = { TLV_TYPE_TV }, + [OM2K_DEI_POWER] = { TLV_TYPE_TV }, + [OM2K_DEI_REASON_CODE] = { TLV_TYPE_TV }, + [OM2K_DEI_RX_DIVERSITY] = { TLV_TYPE_TV }, + [OM2K_DEI_RESULT_CODE] = { TLV_TYPE_TV }, + [OM2K_DEI_T3105] = { TLV_TYPE_TV }, + [OM2K_DEI_TF_MODE] = { TLV_TYPE_TV }, + [OM2K_DEI_TS_NR] = { TLV_TYPE_TV }, + [OM2K_DEI_TSC] = { TLV_TYPE_TV }, + [OM2K_DEI_BTS_VERSION] = { TLV_TYPE_FIXED, 12 }, + [OM2K_DEI_OML_IWD_VERSION] = { TLV_TYPE_FIXED, 6 }, + [OM2K_DEI_RSL_IWD_VERSION] = { TLV_TYPE_FIXED, 6 }, + [OM2K_DEI_OML_FUNC_MAP_1] = { TLV_TYPE_TLV }, + [OM2K_DEI_OML_FUNC_MAP_2] = { TLV_TYPE_TLV }, + [OM2K_DEI_RSL_FUNC_MAP_1] = { TLV_TYPE_TLV }, + [OM2K_DEI_RSL_FUNC_MAP_2] = { TLV_TYPE_TLV }, + [OM2K_DEI_EXT_RANGE] = { TLV_TYPE_TV }, + [OM2K_DEI_REQ_IND] = { TLV_TYPE_TV }, + [OM2K_DEI_REPL_UNIT_MAP] = { TLV_TYPE_FIXED, 6 }, + [OM2K_DEI_REPL_UNIT_MAP_EXT] = {TLV_TYPE_FIXED, 6}, + [OM2K_DEI_ICM_BOUND_PARAMS] = { TLV_TYPE_FIXED, 5 }, + [OM2K_DEI_LSC] = { TLV_TYPE_TV }, + [OM2K_DEI_LSC_FILT_TIME] = { TLV_TYPE_TV }, + [OM2K_DEI_CALL_SUPV_TIME] = { TLV_TYPE_TV }, + [OM2K_DEI_ICM_CHAN_RATE] = { TLV_TYPE_TV }, + [OM2K_DEI_HW_INFO_SIG] = { TLV_TYPE_FIXED, 2 }, + [OM2K_DEI_TF_SYNC_SRC] = { TLV_TYPE_TV }, + [OM2K_DEI_TTA] = { TLV_TYPE_TV }, + [OM2K_DEI_CAPA_SIG] = { TLV_TYPE_FIXED, 2 }, + [OM2K_DEI_NEGOT_REC1] = { TLV_TYPE_TLV }, + [OM2K_DEI_NEGOT_REC2] = { TLV_TYPE_TLV }, + [OM2K_DEI_ENCR_ALG] = { TLV_TYPE_TV }, + [OM2K_DEI_INTERF_REJ_COMB] = { TLV_TYPE_TV }, + [OM2K_DEI_FS_OFFSET] = { TLV_TYPE_FIXED, 5 }, + [OM2K_DEI_EXT_COND_MAP_2_EXT] = { TLV_TYPE_FIXED, 4 }, + [OM2K_DEI_TSS_MO_STATE] = { TLV_TYPE_FIXED, 4 }, + }, +}; + +static const struct value_string om2k_msgcode_vals[] = { + { 0x0000, "Abort SP Command" }, + { 0x0002, "Abort SP Complete" }, + { 0x0004, "Alarm Report ACK" }, + { 0x0005, "Alarm Report NACK" }, + { 0x0006, "Alarm Report" }, + { 0x0008, "Alarm Status Request" }, + { 0x000a, "Alarm Status Request Accept" }, + { 0x000b, "Alarm Status Request Reject" }, + { 0x000c, "Alarm Status Result ACK" }, + { 0x000d, "Alarm Status Result NACK" }, + { 0x000e, "Alarm Status Result" }, + { 0x0010, "Calendar Time Response" }, + { 0x0011, "Calendar Time Reject" }, + { 0x0012, "Calendar Time Request" }, + { 0x0014, "CON Configuration Request" }, + { 0x0016, "CON Configuration Request Accept" }, + { 0x0017, "CON Configuration Request Reject" }, + { 0x0018, "CON Configuration Result ACK" }, + { 0x0019, "CON Configuration Result NACK" }, + { 0x001a, "CON Configuration Result" }, + { 0x001c, "Connect Command" }, + { 0x001e, "Connect Complete" }, + { 0x001f, "Connect Reject" }, + { 0x0028, "Disable Request" }, + { 0x002a, "Disable Request Accept" }, + { 0x002b, "Disable Request Reject" }, + { 0x002c, "Disable Result ACK" }, + { 0x002d, "Disable Result NACK" }, + { 0x002e, "Disable Result" }, + { 0x0030, "Disconnect Command" }, + { 0x0032, "Disconnect Complete" }, + { 0x0033, "Disconnect Reject" }, + { 0x0034, "Enable Request" }, + { 0x0036, "Enable Request Accept" }, + { 0x0037, "Enable Request Reject" }, + { 0x0038, "Enable Result ACK" }, + { 0x0039, "Enable Result NACK" }, + { 0x003a, "Enable Result" }, + { 0x003c, "Escape Downlink Normal" }, + { 0x003d, "Escape Downlink NACK" }, + { 0x003e, "Escape Uplink Normal" }, + { 0x003f, "Escape Uplink NACK" }, + { 0x0040, "Fault Report ACK" }, + { 0x0041, "Fault Report NACK" }, + { 0x0042, "Fault Report" }, + { 0x0044, "File Package End Command" }, + { 0x0046, "File Package End Result" }, + { 0x0047, "File Package End Reject" }, + { 0x0048, "File Relation Request" }, + { 0x004a, "File Relation Response" }, + { 0x004b, "File Relation Request Reject" }, + { 0x004c, "File Segment Transfer" }, + { 0x004e, "File Segment Transfer Complete" }, + { 0x004f, "File Segment Transfer Reject" }, + { 0x0050, "HW Information Request" }, + { 0x0052, "HW Information Request Accept" }, + { 0x0053, "HW Information Request Reject" }, + { 0x0054, "HW Information Result ACK" }, + { 0x0055, "HW Information Result NACK" }, + { 0x0056, "HW Information Result" }, + { 0x0060, "IS Configuration Request" }, + { 0x0062, "IS Configuration Request Accept" }, + { 0x0063, "IS Configuration Request Reject" }, + { 0x0064, "IS Configuration Result ACK" }, + { 0x0065, "IS Configuration Result NACK" }, + { 0x0066, "IS Configuration Result" }, + { 0x0068, "Load Data End" }, + { 0x006a, "Load Data End Result" }, + { 0x006b, "Load Data End Reject" }, + { 0x006c, "Load Data Init" }, + { 0x006e, "Load Data Init Accept" }, + { 0x006f, "Load Data Init Reject" }, + { 0x0070, "Loop Control Command" }, + { 0x0072, "Loop Control Complete" }, + { 0x0073, "Loop Control Reject" }, + { 0x0074, "Operational Information" }, + { 0x0076, "Operational Information Accept" }, + { 0x0077, "Operational Information Reject" }, + { 0x0078, "Reset Command" }, + { 0x007a, "Reset Complete" }, + { 0x007b, "Reset Reject" }, + { 0x007c, "RX Configuration Request" }, + { 0x007e, "RX Configuration Request Accept" }, + { 0x007f, "RX Configuration Request Reject" }, + { 0x0080, "RX Configuration Result ACK" }, + { 0x0081, "RX Configuration Result NACK" }, + { 0x0082, "RX Configuration Result" }, + { 0x0084, "Start Request" }, + { 0x0086, "Start Request Accept" }, + { 0x0087, "Start Request Reject" }, + { 0x0088, "Start Result ACK" }, + { 0x0089, "Start Result NACK" }, + { 0x008a, "Start Result" }, + { 0x008c, "Status Request" }, + { 0x008e, "Status Response" }, + { 0x008f, "Status Reject" }, + { 0x0094, "Test Request" }, + { 0x0096, "Test Request Accept" }, + { 0x0097, "Test Request Reject" }, + { 0x0098, "Test Result ACK" }, + { 0x0099, "Test Result NACK" }, + { 0x009a, "Test Result" }, + { 0x00a0, "TF Configuration Request" }, + { 0x00a2, "TF Configuration Request Accept" }, + { 0x00a3, "TF Configuration Request Reject" }, + { 0x00a4, "TF Configuration Result ACK" }, + { 0x00a5, "TF Configuration Result NACK" }, + { 0x00a6, "TF Configuration Result" }, + { 0x00a8, "TS Configuration Request" }, + { 0x00aa, "TS Configuration Request Accept" }, + { 0x00ab, "TS Configuration Request Reject" }, + { 0x00ac, "TS Configuration Result ACK" }, + { 0x00ad, "TS Configuration Result NACK" }, + { 0x00ae, "TS Configuration Result" }, + { 0x00b0, "TX Configuration Request" }, + { 0x00b2, "TX Configuration Request Accept" }, + { 0x00b3, "TX Configuration Request Reject" }, + { 0x00b4, "TX Configuration Result ACK" }, + { 0x00b5, "TX Configuration Result NACK" }, + { 0x00b6, "TX Configuration Result" }, + { 0x00bc, "DIP Alarm Report ACK" }, + { 0x00bd, "DIP Alarm Report NACK" }, + { 0x00be, "DIP Alarm Report" }, + { 0x00c0, "DIP Alarm Status Request" }, + { 0x00c2, "DIP Alarm Status Response" }, + { 0x00c3, "DIP Alarm Status Reject" }, + { 0x00c4, "DIP Quality Report I ACK" }, + { 0x00c5, "DIP Quality Report I NACK" }, + { 0x00c6, "DIP Quality Report I" }, + { 0x00c8, "DIP Quality Report II ACK" }, + { 0x00c9, "DIP Quality Report II NACK" }, + { 0x00ca, "DIP Quality Report II" }, + { 0x00dc, "DP Configuration Request" }, + { 0x00de, "DP Configuration Request Accept" }, + { 0x00df, "DP Configuration Request Reject" }, + { 0x00e0, "DP Configuration Result ACK" }, + { 0x00e1, "DP Configuration Result NACK" }, + { 0x00e2, "DP Configuration Result" }, + { 0x00e4, "Capabilities HW Info Report ACK" }, + { 0x00e5, "Capabilities HW Info Report NACK" }, + { 0x00e6, "Capabilities HW Info Report" }, + { 0x00e8, "Capabilities Request" }, + { 0x00ea, "Capabilities Request Accept" }, + { 0x00eb, "Capabilities Request Reject" }, + { 0x00ec, "Capabilities Result ACK" }, + { 0x00ed, "Capabilities Result NACK" }, + { 0x00ee, "Capabilities Result" }, + { 0x00f0, "FM Configuration Request" }, + { 0x00f2, "FM Configuration Request Accept" }, + { 0x00f3, "FM Configuration Request Reject" }, + { 0x00f4, "FM Configuration Result ACK" }, + { 0x00f5, "FM Configuration Result NACK" }, + { 0x00f6, "FM Configuration Result" }, + { 0x00f8, "FM Report Request" }, + { 0x00fa, "FM Report Response" }, + { 0x00fb, "FM Report Reject" }, + { 0x00fc, "FM Start Command" }, + { 0x00fe, "FM Start Complete" }, + { 0x00ff, "FM Start Reject" }, + { 0x0100, "FM Stop Command" }, + { 0x0102, "FM Stop Complete" }, + { 0x0103, "FM Stop Reject" }, + { 0x0104, "Negotiation Request ACK" }, + { 0x0105, "Negotiation Request NACK" }, + { 0x0106, "Negotiation Request" }, + { 0x0108, "BTS Initiated Request ACK" }, + { 0x0109, "BTS Initiated Request NACK" }, + { 0x010a, "BTS Initiated Request" }, + { 0x010c, "Radio Channels Release Command" }, + { 0x010e, "Radio Channels Release Complete" }, + { 0x010f, "Radio Channels Release Reject" }, + { 0x0118, "Feature Control Command" }, + { 0x011a, "Feature Control Complete" }, + { 0x011b, "Feature Control Reject" }, + + { 0, NULL } +}; + +/* TS 12.21 Section 9.4: Attributes */ +static const struct value_string om2k_attr_vals[] = { + { 0x00, "Accordance indication" }, + { 0x01, "Alarm Id" }, + { 0x02, "Alarm Data" }, + { 0x03, "Alarm Severity" }, + { 0x04, "Alarm Status" }, + { 0x05, "Alarm Status Type" }, + { 0x06, "BCC" }, + { 0x07, "BS_AG_BKS_RES" }, + { 0x09, "BSIC" }, + { 0x0a, "BA_PA_MFRMS" }, + { 0x0b, "CBCH Indicator" }, + { 0x0c, "CCCH Options" }, + { 0x0d, "Calendar Time" }, + { 0x0f, "Channel Combination" }, + { 0x10, "CON Connection List" }, + { 0x11, "Data End Indication" }, + { 0x12, "DRX_DEV_MAX" }, + { 0x13, "End List Number" }, + { 0x14, "External Condition Map Class 1" }, + { 0x15, "External Condition Map Class 2" }, + { 0x16, "File Relation Indication" }, + { 0x17, "File Revision" }, + { 0x18, "File Segment Data" }, + { 0x19, "File Segment Length" }, + { 0x1a, "File Segment Sequence Number" }, + { 0x1b, "File Size" }, + { 0x1c, "Filling Marker" }, + { 0x1d, "FN Offset" }, + { 0x1e, "Frequency List" }, + { 0x1f, "Frequency Specifier RX" }, + { 0x20, "Frequency Specifier TX" }, + { 0x21, "HSN" }, + { 0x22, "ICM Indicator" }, + { 0x23, "Internal Fault Map Class 1A" }, + { 0x24, "Internal Fault Map Class 1B" }, + { 0x25, "Internal Fault Map Class 2A" }, + { 0x26, "Internal Fault Map Class 2A Extension" }, + { 0x27, "IS Connection List" }, + { 0x28, "List Number" }, + { 0x29, "File Package State Indication" }, + { 0x2a, "Local Access State" }, + { 0x2b, "MAIO" }, + { 0x2c, "MO State" }, + { 0x2d, "Ny1" }, + { 0x2e, "Operational Information" }, + { 0x2f, "Power" }, + { 0x30, "RU Position Data" }, + { 0x31, "Protocol Error" }, + { 0x32, "Reason Code" }, + { 0x33, "Receiver Diversity" }, + { 0x34, "Replacement Unit Map" }, + { 0x35, "Result Code" }, + { 0x36, "RU Revision Data" }, + { 0x38, "T3105" }, + { 0x39, "Test Loop Setting" }, + { 0x3a, "TF Mode" }, + { 0x3b, "TF Compensation Value" }, + { 0x3c, "Time Slot Number" }, + { 0x3d, "TSC" }, + { 0x3e, "RU Logical Id" }, + { 0x3f, "RU Serial Number Data" }, + { 0x40, "BTS Version" }, + { 0x41, "OML IWD Version" }, + { 0x42, "RWL IWD Version" }, + { 0x43, "OML Function Map 1" }, + { 0x44, "OML Function Map 2" }, + { 0x45, "RSL Function Map 1" }, + { 0x46, "RSL Function Map 2" }, + { 0x47, "Extended Range Indicator" }, + { 0x48, "Request Indicators" }, + { 0x49, "DIP Alarm Condition Map" }, + { 0x4a, "ES Incoming" }, + { 0x4b, "ES Outgoing" }, + { 0x4e, "SES Incoming" }, + { 0x4f, "SES Outgoing" }, + { 0x50, "Replacement Unit Map Extension" }, + { 0x52, "UAS Incoming" }, + { 0x53, "UAS Outgoing" }, + { 0x58, "DF Incoming" }, + { 0x5a, "DF Outgoing" }, + { 0x5c, "SF" }, + { 0x60, "S Bits Setting" }, + { 0x61, "CRC-4 Use Option" }, + { 0x62, "T Parameter" }, + { 0x63, "N Parameter" }, + { 0x64, "N1 Parameter" }, + { 0x65, "N3 Parameter" }, + { 0x66, "N4 Parameter" }, + { 0x67, "P Parameter" }, + { 0x68, "Q Parameter" }, + { 0x69, "BI_Q1" }, + { 0x6a, "BI_Q2" }, + { 0x74, "ICM Boundary Parameters" }, + { 0x77, "AFT" }, + { 0x78, "AFT RAI" }, + { 0x79, "Link Supervision Control" }, + { 0x7a, "Link Supervision Filtering Time" }, + { 0x7b, "Call Supervision Time" }, + { 0x7c, "Interval Length UAS Incoming" }, + { 0x7d, "Interval Length UAS Outgoing" }, + { 0x7e, "ICM Channel Rate" }, + { 0x7f, "Attribute Identifier" }, + { 0x80, "FM Frequency List" }, + { 0x81, "FM Frequency Report" }, + { 0x82, "FM Percentile" }, + { 0x83, "FM Clear Indication" }, + { 0x84, "HW Info Signature" }, + { 0x85, "MO Record" }, + { 0x86, "TF Synchronisation Source" }, + { 0x87, "TTA" }, + { 0x88, "End Segment Number" }, + { 0x89, "Segment Number" }, + { 0x8a, "Capabilities Signature" }, + { 0x8c, "File Relation List" }, + { 0x90, "Negotiation Record I" }, + { 0x91, "Negotiation Record II" }, + { 0x92, "Encryption Algorithm" }, + { 0x94, "Interference Rejection Combining" }, + { 0x95, "Dedication Information" }, + { 0x97, "Feature Code" }, + { 0x98, "FS Offset" }, + { 0x99, "ESB Timeslot" }, + { 0x9a, "Master TG Instance" }, + { 0x9b, "Master TX Chain Delay" }, + { 0x9c, "External Condition Class 2 Extension" }, + { 0x9d, "TSs MO State" }, + { 0, NULL } +}; + +const struct value_string om2k_mo_class_short_vals[] = { + { 0x01, "TRXC" }, + { 0x03, "TS" }, + { 0x04, "TF" }, + { 0x05, "IS" }, + { 0x06, "CON" }, + { 0x07, "DP" }, + { 0x0a, "CF" }, + { 0x0b, "TX" }, + { 0x0c, "RX" }, + { 0, NULL } +}; + +const struct value_string om2k_result_strings[] = { + { 0x02, "Wrong state or out of sequence" }, + { 0x03, "File error" }, + { 0x04, "Fault, unspecified" }, + { 0x05, "Tuning fault" }, + { 0x06, "Protocol error" }, + { 0x07, "MO not connected" }, + { 0x08, "Parameter error" }, + { 0x09, "Optional function not supported" }, + { 0x0a, "Local access state LOCALLY DISCONNECTED" }, + { 0, NULL } +}; + +const struct value_string om2k_accordance_strings[] = { + { 0x00, "Data according to request" }, + { 0x01, "Data not according to request" }, + { 0x02, "Inconsistent MO data" }, + { 0x03, "Capability constraint violation" }, + { 0, NULL } +}; + +const struct value_string om2k_mostate_vals[] = { + { 0x00, "RESET" }, + { 0x01, "STARTED" }, + { 0x02, "ENABLED" }, + { 0x03, "DISABLED" }, + { 0, NULL } +}; + +/* entire decoded OM2K message (header + parsed TLV) */ +struct om2k_decoded_msg { + struct abis_om2k_hdr o2h; + uint16_t msg_type; + struct tlv_parsed tp; +}; + +/* resolve the OM2000 Managed Object by BTS + MO Address */ +static struct om2k_mo * +get_om2k_mo(struct gsm_bts *bts, const struct abis_om2k_mo *abis_mo) +{ + struct om2k_mo *mo = NULL; + struct gsm_bts_trx *trx; + + switch (abis_mo->class) { + case OM2K_MO_CLS_CF: + mo = &bts->rbs2000.cf.om2k_mo; + break; + case OM2K_MO_CLS_CON: + mo = &bts->rbs2000.con.om2k_mo; + break; + case OM2K_MO_CLS_IS: + mo = &bts->rbs2000.is.om2k_mo; + break; + case OM2K_MO_CLS_TF: + mo = &bts->rbs2000.tf.om2k_mo; + break; + + case OM2K_MO_CLS_TRXC: + trx = gsm_bts_trx_num(bts, abis_mo->inst); + if (!trx) + return NULL; + mo = &trx->rbs2000.trxc.om2k_mo; + break; + case OM2K_MO_CLS_TX: + trx = gsm_bts_trx_num(bts, abis_mo->inst); + if (!trx) + return NULL; + mo = &trx->rbs2000.tx.om2k_mo; + break; + case OM2K_MO_CLS_RX: + trx = gsm_bts_trx_num(bts, abis_mo->inst); + if (!trx) + return NULL; + mo = &trx->rbs2000.rx.om2k_mo; + break; + case OM2K_MO_CLS_TS: + trx = gsm_bts_trx_num(bts, abis_mo->assoc_so); + if (!trx) + return NULL; + if (abis_mo->inst >= ARRAY_SIZE(trx->ts)) + return NULL; + mo = &trx->ts[abis_mo->inst].rbs2000.om2k_mo; + break; + default: + return NULL; + }; + + return mo; +} + +static struct msgb *om2k_msgb_alloc(void) +{ + return msgb_alloc_headroom(OM_ALLOC_SIZE, OM_HEADROOM_SIZE, + "OM2000"); +} + +static int abis_om2k_tlv_parse(struct tlv_parsed *tp, const uint8_t *buf, int len) +{ + return tlv_parse(tp, &om2k_att_tlvdef, buf, len, 0, 0); +} + +static int abis_om2k_msg_tlv_parse(struct tlv_parsed *tp, struct abis_om2k_hdr *oh) +{ + return abis_om2k_tlv_parse(tp, oh->data, oh->om.length - 6); +} + +/* decode/parse the message */ +static int om2k_decode_msg(struct om2k_decoded_msg *odm, struct msgb *msg) +{ + struct abis_om2k_hdr *o2h = msgb_l2(msg); + odm->msg_type = ntohs(o2h->msg_type); + odm->o2h = *o2h; + return abis_om2k_msg_tlv_parse(&odm->tp, o2h); +} + +static char *om2k_mo_name(const struct abis_om2k_mo *mo) +{ + static char mo_buf[64]; + + memset(mo_buf, 0, sizeof(mo_buf)); + snprintf(mo_buf, sizeof(mo_buf), "%s/%02x/%02x/%02x", + get_value_string(om2k_mo_class_short_vals, mo->class), + mo->bts, mo->assoc_so, mo->inst); + return mo_buf; +} + +/* resolve the gsm_nm_state data structure for a given MO */ +static struct gsm_nm_state * +mo2nm_state(struct gsm_bts *bts, const struct abis_om2k_mo *mo) +{ + struct gsm_bts_trx *trx; + struct gsm_nm_state *nm_state = NULL; + + switch (mo->class) { + case OM2K_MO_CLS_TRXC: + trx = gsm_bts_trx_num(bts, mo->inst); + if (!trx) + return NULL; + nm_state = &trx->mo.nm_state; + break; + case OM2K_MO_CLS_TS: + trx = gsm_bts_trx_num(bts, mo->assoc_so); + if (!trx) + return NULL; + if (mo->inst >= ARRAY_SIZE(trx->ts)) + return NULL; + nm_state = &trx->ts[mo->inst].mo.nm_state; + break; + case OM2K_MO_CLS_TF: + nm_state = &bts->rbs2000.tf.mo.nm_state; + break; + case OM2K_MO_CLS_IS: + nm_state = &bts->rbs2000.is.mo.nm_state; + break; + case OM2K_MO_CLS_CON: + nm_state = &bts->rbs2000.con.mo.nm_state; + break; + case OM2K_MO_CLS_DP: + nm_state = &bts->rbs2000.con.mo.nm_state; + break; + case OM2K_MO_CLS_CF: + nm_state = &bts->mo.nm_state; + break; + case OM2K_MO_CLS_TX: + trx = gsm_bts_trx_num(bts, mo->inst); + if (!trx) + return NULL; + /* FIXME */ + break; + case OM2K_MO_CLS_RX: + trx = gsm_bts_trx_num(bts, mo->inst); + if (!trx) + return NULL; + /* FIXME */ + break; + } + + return nm_state; +} + +static void *mo2obj(struct gsm_bts *bts, struct abis_om2k_mo *mo) +{ + struct gsm_bts_trx *trx; + + switch (mo->class) { + case OM2K_MO_CLS_TX: + case OM2K_MO_CLS_RX: + case OM2K_MO_CLS_TRXC: + return gsm_bts_trx_num(bts, mo->inst); + case OM2K_MO_CLS_TS: + trx = gsm_bts_trx_num(bts, mo->assoc_so); + if (!trx) + return NULL; + if (mo->inst >= ARRAY_SIZE(trx->ts)) + return NULL; + return &trx->ts[mo->inst]; + case OM2K_MO_CLS_TF: + case OM2K_MO_CLS_IS: + case OM2K_MO_CLS_CON: + case OM2K_MO_CLS_DP: + case OM2K_MO_CLS_CF: + return bts; + } + + return NULL; +} + +static void update_mo_state(struct gsm_bts *bts, struct abis_om2k_mo *mo, + uint8_t mo_state) +{ + struct gsm_nm_state *nm_state = mo2nm_state(bts, mo); + struct gsm_nm_state new_state; + struct nm_statechg_signal_data nsd; + + if (!nm_state) + return; + + new_state = *nm_state; + /* NOTICE: 12.21 Availability state values != OM2000 */ + new_state.availability = mo_state; + + memset(&nsd, 0, sizeof(nsd)); + + nsd.bts = bts; + nsd.obj = mo2obj(bts, mo); + nsd.old_state = nm_state; + nsd.new_state = &new_state; + nsd.om2k_mo = mo; + + osmo_signal_dispatch(SS_NM, S_NM_STATECHG_ADM, &nsd); + + nm_state->availability = new_state.availability; +} + +static void update_op_state(struct gsm_bts *bts, const struct abis_om2k_mo *mo, + uint8_t op_state) +{ + struct gsm_nm_state *nm_state = mo2nm_state(bts, mo); + struct gsm_nm_state new_state; + + if (!nm_state) + return; + + new_state = *nm_state; + switch (op_state) { + case 1: + new_state.operational = NM_OPSTATE_ENABLED; + break; + case 0: + new_state.operational = NM_OPSTATE_DISABLED; + break; + default: + new_state.operational = NM_OPSTATE_NULL; + break; + } + + nm_state->operational = new_state.operational; +} + +static int abis_om2k_sendmsg(struct gsm_bts *bts, struct msgb *msg) +{ + struct abis_om2k_hdr *o2h; + struct gsm_bts_trx *trx; + + msg->l2h = msg->data; + o2h = (struct abis_om2k_hdr *) msg->l2h; + + /* Compute the length in the OML header */ + o2h->om.length = 6 + msgb_l2len(msg)-sizeof(*o2h); + + switch (o2h->mo.class) { + case OM2K_MO_CLS_TRXC: + case OM2K_MO_CLS_TX: + case OM2K_MO_CLS_RX: + /* Route through per-TRX OML Link to the appropriate TRX */ + trx = gsm_bts_trx_by_nr(bts, o2h->mo.inst); + if (!trx) { + LOGP(DNM, LOGL_ERROR, "MO=%s Tx Dropping msg to " + "non-existing TRX\n", om2k_mo_name(&o2h->mo)); + return -ENODEV; + } + msg->dst = trx->oml_link; + break; + case OM2K_MO_CLS_TS: + /* Route through per-TRX OML Link to the appropriate TRX */ + trx = gsm_bts_trx_by_nr(bts, o2h->mo.assoc_so); + if (!trx) { + LOGP(DNM, LOGL_ERROR, "MO=%s Tx Dropping msg to " + "non-existing TRX\n", om2k_mo_name(&o2h->mo)); + return -ENODEV; + } + msg->dst = trx->oml_link; + break; + default: + /* Route through the IXU/DXU OML Link */ + msg->dst = bts->oml_link; + break; + } + + return _abis_nm_sendmsg(msg); +} + +static void fill_om2k_hdr(struct abis_om2k_hdr *o2h, const struct abis_om2k_mo *mo, + uint16_t msg_type) +{ + o2h->om.mdisc = ABIS_OM_MDISC_FOM; + o2h->om.placement = ABIS_OM_PLACEMENT_ONLY; + o2h->om.sequence = 0; + /* We fill o2h->om.length later during om2k_sendmsg() */ + o2h->msg_type = htons(msg_type); + memcpy(&o2h->mo, mo, sizeof(o2h->mo)); +} + +static int abis_om2k_cal_time_resp(struct gsm_bts *bts) +{ + struct msgb *msg = om2k_msgb_alloc(); + struct abis_om2k_hdr *o2k; + time_t tm_t; + struct tm *tm; + + o2k = (struct abis_om2k_hdr *) msgb_put(msg, sizeof(*o2k)); + fill_om2k_hdr(o2k, &bts->rbs2000.cf.om2k_mo.addr, + OM2K_MSGT_CAL_TIME_RESP); + + tm_t = time(NULL); + tm = localtime(&tm_t); + + msgb_put_u8(msg, OM2K_DEI_CAL_TIME); + msgb_put_u8(msg, tm->tm_year % 100); + msgb_put_u8(msg, tm->tm_mon + 1); + msgb_put_u8(msg, tm->tm_mday); + msgb_put_u8(msg, tm->tm_hour); + msgb_put_u8(msg, tm->tm_min); + msgb_put_u8(msg, tm->tm_sec); + + return abis_om2k_sendmsg(bts, msg); +} + +static int abis_om2k_tx_simple(struct gsm_bts *bts, const struct abis_om2k_mo *mo, + uint8_t msg_type) +{ + struct msgb *msg = om2k_msgb_alloc(); + struct abis_om2k_hdr *o2k; + + o2k = (struct abis_om2k_hdr *) msgb_put(msg, sizeof(*o2k)); + fill_om2k_hdr(o2k, mo, msg_type); + + DEBUGP(DNM, "Tx MO=%s %s\n", om2k_mo_name(mo), + get_value_string(om2k_msgcode_vals, msg_type)); + + return abis_om2k_sendmsg(bts, msg); +} + +int abis_om2k_tx_reset_cmd(struct gsm_bts *bts, const struct abis_om2k_mo *mo) +{ + return abis_om2k_tx_simple(bts, mo, OM2K_MSGT_RESET_CMD); +} + +int abis_om2k_tx_start_req(struct gsm_bts *bts, const struct abis_om2k_mo *mo) +{ + return abis_om2k_tx_simple(bts, mo, OM2K_MSGT_START_REQ); +} + +int abis_om2k_tx_status_req(struct gsm_bts *bts, const struct abis_om2k_mo *mo) +{ + return abis_om2k_tx_simple(bts, mo, OM2K_MSGT_STATUS_REQ); +} + +int abis_om2k_tx_connect_cmd(struct gsm_bts *bts, const struct abis_om2k_mo *mo) +{ + return abis_om2k_tx_simple(bts, mo, OM2K_MSGT_CONNECT_CMD); +} + +int abis_om2k_tx_disconnect_cmd(struct gsm_bts *bts, const struct abis_om2k_mo *mo) +{ + return abis_om2k_tx_simple(bts, mo, OM2K_MSGT_DISCONNECT_CMD); +} + +int abis_om2k_tx_test_req(struct gsm_bts *bts, const struct abis_om2k_mo *mo) +{ + return abis_om2k_tx_simple(bts, mo, OM2K_MSGT_TEST_REQ); +} + +int abis_om2k_tx_enable_req(struct gsm_bts *bts, const struct abis_om2k_mo *mo) +{ + return abis_om2k_tx_simple(bts, mo, OM2K_MSGT_ENABLE_REQ); +} + +int abis_om2k_tx_disable_req(struct gsm_bts *bts, const struct abis_om2k_mo *mo) +{ + return abis_om2k_tx_simple(bts, mo, OM2K_MSGT_DISABLE_REQ); +} + +int abis_om2k_tx_op_info(struct gsm_bts *bts, const struct abis_om2k_mo *mo, + uint8_t operational) +{ + struct msgb *msg = om2k_msgb_alloc(); + struct abis_om2k_hdr *o2k; + + o2k = (struct abis_om2k_hdr *) msgb_put(msg, sizeof(*o2k)); + fill_om2k_hdr(o2k, mo, OM2K_MSGT_OP_INFO); + + msgb_tv_put(msg, OM2K_DEI_OP_INFO, operational); + + DEBUGP(DNM, "Tx MO=%s %s\n", om2k_mo_name(mo), + get_value_string(om2k_msgcode_vals, OM2K_MSGT_OP_INFO)); + + /* we update the state here... and send the signal at ACK */ + update_op_state(bts, mo, operational); + + return abis_om2k_sendmsg(bts, msg); +} + +int abis_om2k_tx_cap_req(struct gsm_bts *bts, const struct abis_om2k_mo *mo) +{ + return abis_om2k_tx_simple(bts, mo, OM2K_MSGT_CAPA_REQ); +} + +static void om2k_fill_is_conn_grp(struct om2k_is_conn_grp *grp, uint16_t icp1, + uint16_t icp2, uint8_t cont_idx) +{ + grp->icp1 = htons(icp1); + grp->icp2 = htons(icp2); + grp->cont_idx = cont_idx; +} + +int abis_om2k_tx_is_conf_req(struct gsm_bts *bts) +{ + struct msgb *msg = om2k_msgb_alloc(); + struct abis_om2k_hdr *o2k; + struct is_conn_group *grp; + unsigned int num_grps = 0, i = 0; + struct om2k_is_conn_grp *cg; + + /* count number of groups in linked list */ + llist_for_each_entry(grp, &bts->rbs2000.is.conn_groups, list) + num_grps++; + + if (!num_grps) + return -EINVAL; + + /* allocate buffer for oml group array */ + cg = talloc_zero_array(bts, struct om2k_is_conn_grp, num_grps); + + /* fill array with data from linked list */ + llist_for_each_entry(grp, &bts->rbs2000.is.conn_groups, list) + om2k_fill_is_conn_grp(&cg[i++], grp->icp1, grp->icp2, grp->ci); + + o2k = (struct abis_om2k_hdr *) msgb_put(msg, sizeof(*o2k)); + fill_om2k_hdr(o2k, &bts->rbs2000.is.om2k_mo.addr, + OM2K_MSGT_IS_CONF_REQ); + + msgb_tv_put(msg, OM2K_DEI_LIST_NR, 1); + msgb_tv_put(msg, OM2K_DEI_END_LIST_NR, 1); + + msgb_tlv_put(msg, OM2K_DEI_IS_CONN_LIST, + num_grps * sizeof(*cg), (uint8_t *)cg); + + talloc_free(cg); + + DEBUGP(DNM, "Tx MO=%s %s\n", + om2k_mo_name(&bts->rbs2000.is.om2k_mo.addr), + get_value_string(om2k_msgcode_vals, OM2K_MSGT_IS_CONF_REQ)); + + return abis_om2k_sendmsg(bts, msg); +} + +int abis_om2k_tx_con_conf_req(struct gsm_bts *bts) +{ + struct msgb *msg = om2k_msgb_alloc(); + struct abis_om2k_hdr *o2k; + struct con_group *grp; + unsigned int num_grps = 0; + + /* count number of groups in linked list */ + llist_for_each_entry(grp, &bts->rbs2000.con.conn_groups, list) + num_grps++; + + if (!num_grps) + return -EINVAL; + + /* first build the value part of the OM2K_DEI_CON_CONN_LIST DEI */ + msgb_put_u8(msg, num_grps); + llist_for_each_entry(grp, &bts->rbs2000.con.conn_groups, list) { + struct con_path *cp; + unsigned int num_paths = 0; + llist_for_each_entry(cp, &grp->paths, list) + num_paths++; + msgb_put_u8(msg, num_paths); + llist_for_each_entry(cp, &grp->paths, list) { + struct om2k_con_path *om2k_cp; + om2k_cp = (struct om2k_con_path *) msgb_put(msg, sizeof(*om2k_cp)); + om2k_cp->ccp = htons(cp->ccp); + om2k_cp->ci = cp->ci; + om2k_cp->tag = cp->tag; + om2k_cp->tei = cp->tei; + } + } + msgb_push_u8(msg, msgb_length(msg)); + msgb_push_u8(msg, OM2K_DEI_CON_CONN_LIST); + + /* pre-pend the list number DEIs */ + msgb_tv_push(msg, OM2K_DEI_END_LIST_NR, 1); + msgb_tv_push(msg, OM2K_DEI_LIST_NR, 1); + + /* pre-pend the OM2K header */ + o2k = (struct abis_om2k_hdr *) msgb_push(msg, sizeof(*o2k)); + fill_om2k_hdr(o2k, &bts->rbs2000.con.om2k_mo.addr, + OM2K_MSGT_CON_CONF_REQ); + + DEBUGP(DNM, "Tx MO=%s %s\n", + om2k_mo_name(&bts->rbs2000.con.om2k_mo.addr), + get_value_string(om2k_msgcode_vals, OM2K_MSGT_CON_CONF_REQ)); + + return abis_om2k_sendmsg(bts, msg); +} + +static void om2k_trx_to_mo(struct abis_om2k_mo *mo, + const struct gsm_bts_trx *trx, + enum abis_om2k_mo_cls cls) +{ + mo->class = cls; + mo->bts = 0; + mo->inst = trx->nr; + mo->assoc_so = 255; +} + +static void om2k_ts_to_mo(struct abis_om2k_mo *mo, + const struct gsm_bts_trx_ts *ts) +{ + mo->class = OM2K_MO_CLS_TS; + mo->bts = 0; + mo->inst = ts->nr; + mo->assoc_so = ts->trx->nr; +} + +/* Configure a Receiver MO */ +int abis_om2k_tx_rx_conf_req(struct gsm_bts_trx *trx) +{ + struct msgb *msg = om2k_msgb_alloc(); + struct abis_om2k_hdr *o2k; + struct abis_om2k_mo mo; + + om2k_trx_to_mo(&mo, trx, OM2K_MO_CLS_RX); + + o2k = (struct abis_om2k_hdr *) msgb_put(msg, sizeof(*o2k)); + fill_om2k_hdr(o2k, &mo, OM2K_MSGT_RX_CONF_REQ); + + msgb_tv16_put(msg, OM2K_DEI_FREQ_SPEC_RX, trx->arfcn); + msgb_tv_put(msg, OM2K_DEI_RX_DIVERSITY, 0x02); /* A */ + + return abis_om2k_sendmsg(trx->bts, msg); +} + +/* Configure a Transmitter MO */ +int abis_om2k_tx_tx_conf_req(struct gsm_bts_trx *trx) +{ + struct msgb *msg = om2k_msgb_alloc(); + struct abis_om2k_hdr *o2k; + struct abis_om2k_mo mo; + + om2k_trx_to_mo(&mo, trx, OM2K_MO_CLS_TX); + + o2k = (struct abis_om2k_hdr *) msgb_put(msg, sizeof(*o2k)); + fill_om2k_hdr(o2k, &mo, OM2K_MSGT_TX_CONF_REQ); + + msgb_tv16_put(msg, OM2K_DEI_FREQ_SPEC_TX, trx->arfcn); + msgb_tv_put(msg, OM2K_DEI_POWER, trx->nominal_power-trx->max_power_red); + msgb_tv_put(msg, OM2K_DEI_FILLING_MARKER, 0); /* Filling enabled */ + msgb_tv_put(msg, OM2K_DEI_BCC, trx->bts->bsic & 0x7); + /* Dedication Information is optional */ + + return abis_om2k_sendmsg(trx->bts, msg); +} + +enum abis_om2k_tf_mode { + OM2K_TF_MODE_MASTER = 0x00, + OM2K_TF_MODE_STANDALONE = 0x01, + OM2K_TF_MODE_SLAVE = 0x02, + OM2K_TF_MODE_UNDEFINED = 0xff, +}; + +static const uint8_t fs_offset_undef[5] = { 0xff, 0xff, 0xff, 0xff, 0xff }; + +int abis_om2k_tx_tf_conf_req(struct gsm_bts *bts) +{ + struct msgb *msg = om2k_msgb_alloc(); + struct abis_om2k_hdr *o2k; + + o2k = (struct abis_om2k_hdr *) msgb_put(msg, sizeof(*o2k)); + fill_om2k_hdr(o2k, &bts->rbs2000.tf.om2k_mo.addr, + OM2K_MSGT_TF_CONF_REQ); + + msgb_tv_put(msg, OM2K_DEI_TF_MODE, OM2K_TF_MODE_STANDALONE); + msgb_tv_put(msg, OM2K_DEI_TF_SYNC_SRC, 0x00); + msgb_tv_fixed_put(msg, OM2K_DEI_FS_OFFSET, + sizeof(fs_offset_undef), fs_offset_undef); + + DEBUGP(DNM, "Tx MO=%s %s\n", + om2k_mo_name(&bts->rbs2000.tf.om2k_mo.addr), + get_value_string(om2k_msgcode_vals, OM2K_MSGT_TF_CONF_REQ)); + + return abis_om2k_sendmsg(bts, msg); +} + +static uint8_t pchan2comb(enum gsm_phys_chan_config pchan) +{ + switch (pchan) { + case GSM_PCHAN_CCCH: + return 4; + case GSM_PCHAN_CCCH_SDCCH4: + return 5; + case GSM_PCHAN_SDCCH8_SACCH8C: + return 3; + case GSM_PCHAN_TCH_F: + case GSM_PCHAN_TCH_H: + case GSM_PCHAN_PDCH: + case GSM_PCHAN_TCH_F_PDCH: + case GSM_PCHAN_TCH_F_TCH_H_PDCH: + return 8; + default: + return 0; + } +} + +static uint8_t ts2comb(struct gsm_bts_trx_ts *ts) +{ + switch (ts->pchan) { + case GSM_PCHAN_TCH_F_PDCH: + LOGP(DNM, LOGL_ERROR, "%s pchan %s not intended for use" + " with OM2000, use %s instead\n", + gsm_ts_and_pchan_name(ts), + gsm_pchan_name(GSM_PCHAN_TCH_F_PDCH), + gsm_pchan_name(GSM_PCHAN_TCH_F_TCH_H_PDCH)); + /* If we allowed initialization of TCH/F_PDCH, it would fail + * when we try to send the ip.access specific RSL PDCH Act + * message for it. Rather fail completely right now: */ + return 0; + case GSM_PCHAN_TCH_F_TCH_H_PDCH: + return pchan2comb(GSM_PCHAN_TCH_F); + default: + return pchan2comb(ts->pchan); + } +} + +static int put_freq_list(uint8_t *buf, uint16_t arfcn) +{ + buf[0] = 0x00; /* TX/RX address */ + buf[1] = (arfcn >> 8); + buf[2] = (arfcn & 0xff); + + return 3; +} + +/* Compute a frequency list in OM2000 fomrmat */ +static int om2k_gen_freq_list(uint8_t *list, struct gsm_bts_trx_ts *ts) +{ + uint8_t *cur = list; + int len; + + if (ts->hopping.enabled) { + unsigned int i; + for (i = 0; i < ts->hopping.arfcns.data_len*8; i++) { + if (bitvec_get_bit_pos(&ts->hopping.arfcns, i)) + cur += put_freq_list(cur, i); + } + } else + cur += put_freq_list(cur, ts->trx->arfcn); + + len = cur - list; + + return len; +} + +const uint8_t icm_bound_params[] = { 0x02, 0x06, 0x0c, 0x16, 0x06 }; + +int abis_om2k_tx_ts_conf_req(struct gsm_bts_trx_ts *ts) +{ + struct msgb *msg = om2k_msgb_alloc(); + struct abis_om2k_hdr *o2k; + struct abis_om2k_mo mo; + uint8_t freq_list[64*3]; /* BA max size: 64 ARFCN */ + int freq_list_len; + + om2k_ts_to_mo(&mo, ts); + + memset(freq_list, 0, sizeof(freq_list)); + freq_list_len = om2k_gen_freq_list(freq_list, ts); + if (freq_list_len < 0) + return freq_list_len; + + o2k = (struct abis_om2k_hdr *) msgb_put(msg, sizeof(*o2k)); + fill_om2k_hdr(o2k, &mo, OM2K_MSGT_TS_CONF_REQ); + + msgb_tv_put(msg, OM2K_DEI_COMBINATION, ts2comb(ts)); + msgb_tv_put(msg, OM2K_DEI_TS_NR, ts->nr); + msgb_tlv_put(msg, OM2K_DEI_FREQ_LIST, freq_list_len, freq_list); + msgb_tv_put(msg, OM2K_DEI_HSN, ts->hopping.hsn); + msgb_tv_put(msg, OM2K_DEI_MAIO, ts->hopping.maio); + msgb_tv_put(msg, OM2K_DEI_BSIC, ts->trx->bts->bsic); + msgb_tv_put(msg, OM2K_DEI_RX_DIVERSITY, 0x02); /* A */ + msgb_tv16_put(msg, OM2K_DEI_FN_OFFSET, 0); + msgb_tv_put(msg, OM2K_DEI_EXT_RANGE, 0); /* Off */ + /* Optional: Interference Rejection Combining */ + msgb_tv_put(msg, OM2K_DEI_INTERF_REJ_COMB, 0x00); + switch (ts->pchan) { + case GSM_PCHAN_CCCH: + msgb_tv_put(msg, OM2K_DEI_BA_PA_MFRMS, 0x06); + msgb_tv_put(msg, OM2K_DEI_BS_AG_BKS_RES, 0x01); + msgb_tv_put(msg, OM2K_DEI_DRX_DEV_MAX, 0x05); + /* Repeat Paging/IMM.ASS: True, Allow Paging Type 3: Yes, Page for 5 seconds (default) */ + msgb_tv_put(msg, OM2K_DEI_CCCH_OPTIONS, 0x01); + break; + case GSM_PCHAN_CCCH_SDCCH4: + msgb_tv_put(msg, OM2K_DEI_T3105, ts->trx->bts->network->T3105 / 10); + msgb_tv_put(msg, OM2K_DEI_NY1, 35); + msgb_tv_put(msg, OM2K_DEI_BA_PA_MFRMS, 0x06); + msgb_tv_put(msg, OM2K_DEI_CBCH_INDICATOR, 0); + msgb_tv_put(msg, OM2K_DEI_TSC, gsm_ts_tsc(ts)); + msgb_tv_put(msg, OM2K_DEI_BS_AG_BKS_RES, 0x01); + msgb_tv_put(msg, OM2K_DEI_ICM_INDICATOR, 0); + msgb_tv_put(msg, OM2K_DEI_DRX_DEV_MAX, 0x05); + /* Repeat Paging/IMM.ASS: True, Allow Paging Type 3: Yes, Page for 5 seconds (default) */ + msgb_tv_put(msg, OM2K_DEI_CCCH_OPTIONS, 0x01); + msgb_tv_fixed_put(msg, OM2K_DEI_ICM_BOUND_PARAMS, + sizeof(icm_bound_params), icm_bound_params); + break; + case GSM_PCHAN_SDCCH8_SACCH8C: + msgb_tv_put(msg, OM2K_DEI_T3105, ts->trx->bts->network->T3105 / 10); + msgb_tv_put(msg, OM2K_DEI_NY1, 35); + msgb_tv_put(msg, OM2K_DEI_CBCH_INDICATOR, 0); + msgb_tv_put(msg, OM2K_DEI_TSC, gsm_ts_tsc(ts)); + /* Disable RF RESOURCE INDICATION on idle channels */ + msgb_tv_put(msg, OM2K_DEI_ICM_INDICATOR, 0); + msgb_tv_fixed_put(msg, OM2K_DEI_ICM_BOUND_PARAMS, + sizeof(icm_bound_params), icm_bound_params); + break; + default: + msgb_tv_put(msg, OM2K_DEI_T3105, ts->trx->bts->network->T3105 / 10); + msgb_tv_put(msg, OM2K_DEI_NY1, 35); + msgb_tv_put(msg, OM2K_DEI_TSC, gsm_ts_tsc(ts)); + /* Disable RF RESOURCE INDICATION on idle channels */ + msgb_tv_put(msg, OM2K_DEI_ICM_INDICATOR, 0); + msgb_tv_fixed_put(msg, OM2K_DEI_ICM_BOUND_PARAMS, + sizeof(icm_bound_params), icm_bound_params); + msgb_tv_put(msg, OM2K_DEI_TTA, 10); /* Timer for Time Alignment */ + if (ts->pchan == GSM_PCHAN_TCH_H) + msgb_tv_put(msg, OM2K_DEI_ICM_CHAN_RATE, 1); /* TCH/H */ + else + msgb_tv_put(msg, OM2K_DEI_ICM_CHAN_RATE, 0); /* TCH/F */ + msgb_tv_put(msg, OM2K_DEI_LSC, 1); /* enabled */ + msgb_tv_put(msg, OM2K_DEI_LSC_FILT_TIME, 10); /* units of 100ms */ + msgb_tv_put(msg, OM2K_DEI_CALL_SUPV_TIME, 8); + msgb_tv_put(msg, OM2K_DEI_ENCR_ALG, 0x00); + /* Not sure what those below mean */ + msgb_tv_put(msg, 0x9e, 0x00); + msgb_tv_put(msg, 0x9f, 0x37); + msgb_tv_put(msg, 0xa0, 0x01); + break; + } + + DEBUGP(DNM, "Tx MO=%s %s\n", + om2k_mo_name(&mo), + get_value_string(om2k_msgcode_vals, OM2K_MSGT_TS_CONF_REQ)); + + return abis_om2k_sendmsg(ts->trx->bts, msg); +} + + +/*********************************************************************** + * OM2000 Managed Object (MO) FSM + ***********************************************************************/ + +#define S(x) (1 << (x)) + +enum om2k_event_name { + OM2K_MO_EVT_START, + OM2K_MO_EVT_RX_CONN_COMPL, + OM2K_MO_EVT_RX_RESET_COMPL, + OM2K_MO_EVT_RX_START_REQ_ACCEPT, + OM2K_MO_EVT_RX_START_RES, + OM2K_MO_EVT_RX_CFG_REQ_ACCEPT, + OM2K_MO_EVT_RX_CFG_RES, + OM2K_MO_EVT_RX_ENA_REQ_ACCEPT, + OM2K_MO_EVT_RX_ENA_RES, + OM2K_MO_EVT_RX_OPINFO_ACC, +}; + +static const struct value_string om2k_event_names[] = { + { OM2K_MO_EVT_START, "START" }, + { OM2K_MO_EVT_RX_CONN_COMPL, "RX-CONN-COMPL" }, + { OM2K_MO_EVT_RX_RESET_COMPL, "RX-RESET-COMPL" }, + { OM2K_MO_EVT_RX_START_REQ_ACCEPT, "RX-RESET-REQ-ACCEPT" }, + { OM2K_MO_EVT_RX_START_RES, "RX-START-RESULT" }, + { OM2K_MO_EVT_RX_CFG_REQ_ACCEPT, "RX-CFG-REQ-ACCEPT" }, + { OM2K_MO_EVT_RX_CFG_RES, "RX-CFG-RESULT" }, + { OM2K_MO_EVT_RX_ENA_REQ_ACCEPT, "RX-ENABLE-REQ-ACCEPT" }, + { OM2K_MO_EVT_RX_ENA_RES, "RX-ENABLE-RESULT" }, + { OM2K_MO_EVT_RX_OPINFO_ACC, "RX-OPINFO-ACCEPT" }, + { 0, NULL } +}; + +enum om2k_mo_fsm_state { + OM2K_ST_INIT, + OM2K_ST_WAIT_CONN_COMPL, + OM2K_ST_WAIT_RES_COMPL, + OM2K_ST_WAIT_START_ACCEPT, + OM2K_ST_WAIT_START_RES, + OM2K_ST_WAIT_CFG_ACCEPT, + OM2K_ST_WAIT_CFG_RES, + OM2K_ST_WAIT_ENABLE_ACCEPT, + OM2K_ST_WAIT_ENABLE_RES, + OM2K_ST_WAIT_OPINFO_ACCEPT, + OM2K_ST_DONE, + OM2K_ST_ERROR, +}; + +struct om2k_mo_fsm_priv { + struct gsm_bts_trx *trx; + struct om2k_mo *mo; + uint8_t ts_nr; +}; + +static void om2k_mo_st_init(struct osmo_fsm_inst *fi, uint32_t event, void *data) +{ + struct om2k_mo_fsm_priv *omfp = fi->priv; + + OSMO_ASSERT(event == OM2K_MO_EVT_START); + + switch (omfp->mo->addr.class) { + case OM2K_MO_CLS_CF: + /* no Connect required, is always connected */ + osmo_fsm_inst_state_chg(fi, OM2K_ST_WAIT_START_ACCEPT, + OM2K_TIMEOUT, 0); + abis_om2k_tx_start_req(omfp->trx->bts, &omfp->mo->addr); + break; + case OM2K_MO_CLS_TRXC: + /* no Connect required, start with Reset */ + osmo_fsm_inst_state_chg(fi, OM2K_ST_WAIT_RES_COMPL, + OM2K_TIMEOUT, 0); + abis_om2k_tx_reset_cmd(omfp->trx->bts, &omfp->mo->addr); + break; + default: + /* start with Connect */ + osmo_fsm_inst_state_chg(fi, OM2K_ST_WAIT_CONN_COMPL, + OM2K_TIMEOUT, 0); + abis_om2k_tx_connect_cmd(omfp->trx->bts, &omfp->mo->addr); + break; + } +} + +static void om2k_mo_st_wait_conn_compl(struct osmo_fsm_inst *fi, uint32_t event, void *data) +{ + struct om2k_mo_fsm_priv *omfp = fi->priv; + + switch (omfp->mo->addr.class) { +#if 0 + case OM2K_MO_CLS_TF: + /* skip the reset, hope that helps */ + osmo_fsm_inst_state_chg(fi, OM2K_ST_WAIT_START_ACCEPT, + OM2K_TIMEOUT, 0); + abis_om2k_tx_start_req(omfp->trx->bts, &omfp->mo->addr); + break; +#endif + default: + osmo_fsm_inst_state_chg(fi, OM2K_ST_WAIT_RES_COMPL, + OM2K_TIMEOUT, 0); + abis_om2k_tx_reset_cmd(omfp->trx->bts, &omfp->mo->addr); + break; + } +} + +static void om2k_mo_st_wait_res_compl(struct osmo_fsm_inst *fi, uint32_t event, void *data) +{ + struct om2k_mo_fsm_priv *omfp = fi->priv; + + osmo_fsm_inst_state_chg(fi, OM2K_ST_WAIT_START_ACCEPT, + OM2K_TIMEOUT, 0); + abis_om2k_tx_start_req(omfp->trx->bts, &omfp->mo->addr); +} + +static void om2k_mo_st_wait_start_accept(struct osmo_fsm_inst *fi, uint32_t event, void *data) +{ + struct om2k_decoded_msg *omd = data; + + switch (omd->msg_type) { + case OM2K_MSGT_START_REQ_ACK: + osmo_fsm_inst_state_chg(fi, OM2K_ST_WAIT_START_RES, + OM2K_TIMEOUT, 0); + break; + case OM2K_MSGT_START_REQ_REJ: + osmo_fsm_inst_state_chg(fi, OM2K_ST_ERROR, 0, 0); + break; + } +} + +static void om2k_mo_st_wait_start_res(struct osmo_fsm_inst *fi, uint32_t event, void *data) +{ + struct om2k_mo_fsm_priv *omfp = fi->priv; + struct gsm_bts_trx_ts *ts; + + switch (omfp->mo->addr.class) { + case OM2K_MO_CLS_CF: + case OM2K_MO_CLS_TRXC: + /* Transition directly to Operational Info */ + osmo_fsm_inst_state_chg(fi, OM2K_ST_WAIT_OPINFO_ACCEPT, + OM2K_TIMEOUT, 0); + abis_om2k_tx_op_info(omfp->trx->bts, &omfp->mo->addr, 1); + return; + case OM2K_MO_CLS_DP: + /* Transition directoy to WAIT_ENABLE_ACCEPT */ + osmo_fsm_inst_state_chg(fi, OM2K_ST_WAIT_ENABLE_ACCEPT, + OM2K_TIMEOUT, 0); + abis_om2k_tx_enable_req(omfp->trx->bts, &omfp->mo->addr); + return; +#if 0 + case OM2K_MO_CLS_TF: + /* skip the config, hope that helps speeding things up */ + osmo_fsm_inst_state_chg(fi, OM2K_ST_WAIT_ENABLE_ACCEPT, + OM2K_TIMEOUT, 0); + abis_om2k_tx_enable_req(omfp->trx->bts, &omfp->mo->addr); + return; +#endif + } + + osmo_fsm_inst_state_chg(fi, OM2K_ST_WAIT_CFG_ACCEPT, + OM2K_TIMEOUT, 0); + switch (omfp->mo->addr.class) { + case OM2K_MO_CLS_TF: + abis_om2k_tx_tf_conf_req(omfp->trx->bts); + break; + case OM2K_MO_CLS_IS: + abis_om2k_tx_is_conf_req(omfp->trx->bts); + break; + case OM2K_MO_CLS_CON: + abis_om2k_tx_con_conf_req(omfp->trx->bts); + break; + case OM2K_MO_CLS_TX: + abis_om2k_tx_tx_conf_req(omfp->trx); + break; + case OM2K_MO_CLS_RX: + abis_om2k_tx_rx_conf_req(omfp->trx); + break; + case OM2K_MO_CLS_TS: + ts = mo2obj(omfp->trx->bts, &omfp->mo->addr); + abis_om2k_tx_ts_conf_req(ts); + break; + } +} + +static void om2k_mo_st_wait_cfg_accept(struct osmo_fsm_inst *fi, uint32_t event, void *data) +{ + struct om2k_mo_fsm_priv *omfp = fi->priv; + uint32_t timeout = OM2K_TIMEOUT; + + if (omfp->mo->addr.class == OM2K_MO_CLS_TF) + timeout = 600; + + osmo_fsm_inst_state_chg(fi, OM2K_ST_WAIT_CFG_RES, timeout, 0); +} + +static void om2k_mo_st_wait_cfg_res(struct osmo_fsm_inst *fi, uint32_t event, void *data) +{ + struct om2k_mo_fsm_priv *omfp = fi->priv; + struct om2k_decoded_msg *omd = data; + uint8_t accordance; + + if (!TLVP_PRESENT(&omd->tp, OM2K_DEI_ACCORDANCE_IND)) { + osmo_fsm_inst_state_chg(fi, OM2K_ST_ERROR, 0, 0); + return; + } + accordance = *TLVP_VAL(&omd->tp, OM2K_DEI_ACCORDANCE_IND); + + if (accordance != 0) { + /* accordance not OK */ + osmo_fsm_inst_state_chg(fi, OM2K_ST_ERROR, 0, 0); + return; + } + + osmo_fsm_inst_state_chg(fi, OM2K_ST_WAIT_ENABLE_ACCEPT, + OM2K_TIMEOUT, 0); + abis_om2k_tx_enable_req(omfp->trx->bts, &omfp->mo->addr); +} + +static void om2k_mo_st_wait_enable_accept(struct osmo_fsm_inst *fi, uint32_t event, void *data) +{ + struct om2k_mo_fsm_priv *omfp = fi->priv; + struct om2k_decoded_msg *omd = data; + + switch (omd->msg_type) { + case OM2K_MSGT_ENABLE_REQ_REJ: + osmo_fsm_inst_state_chg(fi, OM2K_ST_ERROR, 0, 0); + break; + case OM2K_MSGT_ENABLE_REQ_ACK: + if (omfp->mo->addr.class == OM2K_MO_CLS_IS && + omfp->trx->bts->rbs2000.use_superchannel) + e1inp_ericsson_set_altc(omfp->trx->bts->oml_link->ts->line, 1); + osmo_fsm_inst_state_chg(fi, OM2K_ST_WAIT_ENABLE_RES, + OM2K_TIMEOUT, 0); + } +} + +static void om2k_mo_st_wait_enable_res(struct osmo_fsm_inst *fi, uint32_t event, void *data) +{ + struct om2k_mo_fsm_priv *omfp = fi->priv; + //struct om2k_decoded_msg *omd = data; + /* TODO: check if state is actually enabled now? */ + + osmo_fsm_inst_state_chg(fi, OM2K_ST_WAIT_OPINFO_ACCEPT, + OM2K_TIMEOUT, 0); + abis_om2k_tx_op_info(omfp->trx->bts, &omfp->mo->addr, 1); +} + +static void om2k_mo_st_wait_opinfo_accept(struct osmo_fsm_inst *fi, uint32_t event, void *data) +{ + struct om2k_mo_fsm_priv *omfp = fi->priv; + + /* if we have just received opinfo accept for the timeslot, + * start dynamic TCH switching procedures */ + if (omfp->mo->addr.class == OM2K_MO_CLS_TS) { + struct gsm_bts_trx_ts *ts; + ts = mo2obj(omfp->trx->bts, &omfp->mo->addr); + dyn_ts_init(ts); + } + osmo_fsm_inst_state_chg(fi, OM2K_ST_DONE, 0, 0); +} + +static void om2k_mo_s_done_onenter(struct osmo_fsm_inst *fi, uint32_t prev_state) +{ + struct om2k_mo_fsm_priv *omfp = fi->priv; + omfp->mo->fsm = NULL; + osmo_fsm_inst_term(fi, OSMO_FSM_TERM_REGULAR, NULL); +} + +static void om2k_mo_s_error_onenter(struct osmo_fsm_inst *fi, uint32_t prev_state) +{ + struct om2k_mo_fsm_priv *omfp = fi->priv; + + omfp->mo->fsm = NULL; + osmo_fsm_inst_term(fi, OSMO_FSM_TERM_ERROR, NULL); +} + +static const struct osmo_fsm_state om2k_is_states[] = { + [OM2K_ST_INIT] = { + .name = "INIT", + .in_event_mask = S(OM2K_MO_EVT_START), + .out_state_mask = S(OM2K_ST_DONE) | + S(OM2K_ST_ERROR) | + S(OM2K_ST_WAIT_CONN_COMPL) | + S(OM2K_ST_WAIT_START_ACCEPT) | + S(OM2K_ST_WAIT_RES_COMPL), + .action = om2k_mo_st_init, + }, + [OM2K_ST_WAIT_CONN_COMPL] = { + .name = "WAIT-CONN-COMPL", + .in_event_mask = S(OM2K_MO_EVT_RX_CONN_COMPL), + .out_state_mask = S(OM2K_ST_DONE) | + S(OM2K_ST_ERROR) | + S(OM2K_ST_WAIT_START_ACCEPT) | + S(OM2K_ST_WAIT_RES_COMPL), + .action = om2k_mo_st_wait_conn_compl, + }, + [OM2K_ST_WAIT_RES_COMPL] = { + .name = "WAIT-RES-COMPL", + .in_event_mask = S(OM2K_MO_EVT_RX_RESET_COMPL), + .out_state_mask = S(OM2K_ST_DONE) | + S(OM2K_ST_ERROR) | + S(OM2K_ST_WAIT_START_ACCEPT), + .action = om2k_mo_st_wait_res_compl, + }, + [OM2K_ST_WAIT_START_ACCEPT] = { + .name = "WAIT-START-ACCEPT", + .in_event_mask = S(OM2K_MO_EVT_RX_START_REQ_ACCEPT), + .out_state_mask = S(OM2K_ST_DONE) | + S(OM2K_ST_ERROR) | + S(OM2K_ST_WAIT_START_RES), + .action =om2k_mo_st_wait_start_accept, + }, + [OM2K_ST_WAIT_START_RES] = { + .name = "WAIT-START-RES", + .in_event_mask = S(OM2K_MO_EVT_RX_START_RES), + .out_state_mask = S(OM2K_ST_DONE) | + S(OM2K_ST_ERROR) | + S(OM2K_ST_WAIT_CFG_ACCEPT) | + S(OM2K_ST_WAIT_OPINFO_ACCEPT), + .action = om2k_mo_st_wait_start_res, + }, + [OM2K_ST_WAIT_CFG_ACCEPT] = { + .name = "WAIT-CFG-ACCEPT", + .in_event_mask = S(OM2K_MO_EVT_RX_CFG_REQ_ACCEPT), + .out_state_mask = S(OM2K_ST_DONE) | + S(OM2K_ST_ERROR) | + S(OM2K_ST_WAIT_CFG_RES), + .action = om2k_mo_st_wait_cfg_accept, + }, + [OM2K_ST_WAIT_CFG_RES] = { + .name = "WAIT-CFG-RES", + .in_event_mask = S(OM2K_MO_EVT_RX_CFG_RES), + .out_state_mask = S(OM2K_ST_DONE) | + S(OM2K_ST_ERROR) | + S(OM2K_ST_WAIT_ENABLE_ACCEPT), + .action = om2k_mo_st_wait_cfg_res, + }, + [OM2K_ST_WAIT_ENABLE_ACCEPT] = { + .name = "WAIT-ENABLE-ACCEPT", + .in_event_mask = S(OM2K_MO_EVT_RX_ENA_REQ_ACCEPT), + .out_state_mask = S(OM2K_ST_DONE) | + S(OM2K_ST_ERROR) | + S(OM2K_ST_WAIT_ENABLE_RES), + .action = om2k_mo_st_wait_enable_accept, + }, + [OM2K_ST_WAIT_ENABLE_RES] = { + .name = "WAIT-ENABLE-RES", + .in_event_mask = S(OM2K_MO_EVT_RX_ENA_RES), + .out_state_mask = S(OM2K_ST_DONE) | + S(OM2K_ST_ERROR) | + S(OM2K_ST_WAIT_OPINFO_ACCEPT), + .action = om2k_mo_st_wait_enable_res, + }, + [OM2K_ST_WAIT_OPINFO_ACCEPT] = { + .name = "WAIT-OPINFO-ACCEPT", + .in_event_mask = S(OM2K_MO_EVT_RX_OPINFO_ACC), + .out_state_mask = S(OM2K_ST_DONE) | + S(OM2K_ST_ERROR), + .action = om2k_mo_st_wait_opinfo_accept, + }, + [OM2K_ST_DONE] = { + .name = "DONE", + .in_event_mask = 0, + .out_state_mask = 0, + .onenter = om2k_mo_s_done_onenter, + }, + [OM2K_ST_ERROR] = { + .name = "ERROR", + .in_event_mask = 0, + .out_state_mask = 0, + .onenter = om2k_mo_s_error_onenter, + }, + +}; + +static int om2k_mo_timer_cb(struct osmo_fsm_inst *fi) +{ + osmo_fsm_inst_state_chg(fi, OM2K_ST_ERROR, 0, 0); + return 0; +} + +static struct osmo_fsm om2k_mo_fsm = { + .name = "OM2000-MO", + .states = om2k_is_states, + .num_states = ARRAY_SIZE(om2k_is_states), + .log_subsys = DNM, + .event_names = om2k_event_names, + .timer_cb = om2k_mo_timer_cb, +}; + +struct osmo_fsm_inst *om2k_mo_fsm_start(struct osmo_fsm_inst *parent, + uint32_t term_event, + struct gsm_bts_trx *trx, struct om2k_mo *mo) +{ + struct osmo_fsm_inst *fi; + struct om2k_mo_fsm_priv *omfp; + char idbuf[64]; + + snprintf(idbuf, sizeof(idbuf), "%s-%s", parent->id, + om2k_mo_name(&mo->addr)); + + fi = osmo_fsm_inst_alloc_child_id(&om2k_mo_fsm, parent, + term_event, idbuf); + if (!fi) + return NULL; + + mo->fsm = fi; + omfp = talloc_zero(fi, struct om2k_mo_fsm_priv); + omfp->mo = mo; + omfp->trx = trx; + fi->priv = omfp; + + osmo_fsm_inst_dispatch(fi, OM2K_MO_EVT_START, NULL); + + return fi; +} + +int om2k_mo_fsm_recvmsg(struct gsm_bts *bts, struct om2k_mo *mo, + struct om2k_decoded_msg *odm) +{ + switch (odm->msg_type) { + case OM2K_MSGT_CONNECT_COMPL: + case OM2K_MSGT_CONNECT_REJ: + osmo_fsm_inst_dispatch(mo->fsm, + OM2K_MO_EVT_RX_CONN_COMPL, odm); + break; + + case OM2K_MSGT_RESET_COMPL: + case OM2K_MSGT_RESET_REJ: + osmo_fsm_inst_dispatch(mo->fsm, + OM2K_MO_EVT_RX_RESET_COMPL, odm); + break; + + case OM2K_MSGT_START_REQ_ACK: + case OM2K_MSGT_START_REQ_REJ: + osmo_fsm_inst_dispatch(mo->fsm, + OM2K_MO_EVT_RX_START_REQ_ACCEPT, odm); + break; + + case OM2K_MSGT_START_RES: + osmo_fsm_inst_dispatch(mo->fsm, + OM2K_MO_EVT_RX_START_RES, odm); + break; + + case OM2K_MSGT_CON_CONF_REQ_ACK: + case OM2K_MSGT_IS_CONF_REQ_ACK: + case OM2K_MSGT_RX_CONF_REQ_ACK: + case OM2K_MSGT_TF_CONF_REQ_ACK: + case OM2K_MSGT_TS_CONF_REQ_ACK: + case OM2K_MSGT_TX_CONF_REQ_ACK: + osmo_fsm_inst_dispatch(mo->fsm, + OM2K_MO_EVT_RX_CFG_REQ_ACCEPT, odm); + break; + + case OM2K_MSGT_CON_CONF_RES: + case OM2K_MSGT_IS_CONF_RES: + case OM2K_MSGT_RX_CONF_RES: + case OM2K_MSGT_TF_CONF_RES: + case OM2K_MSGT_TS_CONF_RES: + case OM2K_MSGT_TX_CONF_RES: + osmo_fsm_inst_dispatch(mo->fsm, + OM2K_MO_EVT_RX_CFG_RES, odm); + break; + + case OM2K_MSGT_ENABLE_REQ_ACK: + case OM2K_MSGT_ENABLE_REQ_REJ: + osmo_fsm_inst_dispatch(mo->fsm, + OM2K_MO_EVT_RX_ENA_REQ_ACCEPT, odm); + break; + case OM2K_MSGT_ENABLE_RES: + osmo_fsm_inst_dispatch(mo->fsm, + OM2K_MO_EVT_RX_ENA_RES, odm); + break; + + case OM2K_MSGT_OP_INFO_ACK: + case OM2K_MSGT_OP_INFO_REJ: + osmo_fsm_inst_dispatch(mo->fsm, + OM2K_MO_EVT_RX_OPINFO_ACC, odm); + break; + default: + return -1; + } + + return 0; +} + +/*********************************************************************** + * OM2000 TRX Finite State Machine, initializes TRXC and all siblings + ***********************************************************************/ + +enum om2k_trx_event { + OM2K_TRX_EVT_START, + OM2K_TRX_EVT_TRXC_DONE, + OM2K_TRX_EVT_TX_DONE, + OM2K_TRX_EVT_RX_DONE, + OM2K_TRX_EVT_TS_DONE, + OM2K_TRX_EVT_STOP, +}; + +static struct value_string om2k_trx_events[] = { + { OM2K_TRX_EVT_START, "START" }, + { OM2K_TRX_EVT_TRXC_DONE, "TRXC-DONE" }, + { OM2K_TRX_EVT_TX_DONE, "TX-DONE" }, + { OM2K_TRX_EVT_RX_DONE, "RX-DONE" }, + { OM2K_TRX_EVT_TS_DONE, "TS-DONE" }, + { OM2K_TRX_EVT_STOP, "STOP" }, + { 0, NULL } +}; + +enum om2k_trx_state { + OM2K_TRX_S_INIT, + OM2K_TRX_S_WAIT_TRXC, + OM2K_TRX_S_WAIT_TX, + OM2K_TRX_S_WAIT_RX, + OM2K_TRX_S_WAIT_TS, + OM2K_TRX_S_DONE, + OM2K_TRX_S_ERROR +}; + +struct om2k_trx_fsm_priv { + struct gsm_bts_trx *trx; + uint8_t next_ts_nr; +}; + +static void om2k_trx_s_init(struct osmo_fsm_inst *fi, uint32_t event, void *data) +{ + struct om2k_trx_fsm_priv *otfp = fi->priv; + + /* First initialize TRXC */ + osmo_fsm_inst_state_chg(fi, OM2K_TRX_S_WAIT_TRXC, + TRX_FSM_TIMEOUT, 0); + om2k_mo_fsm_start(fi, OM2K_TRX_EVT_TRXC_DONE, otfp->trx, + &otfp->trx->rbs2000.trxc.om2k_mo); +} + +static void om2k_trx_s_wait_trxc(struct osmo_fsm_inst *fi, uint32_t event, void *data) +{ + struct om2k_trx_fsm_priv *otfp = fi->priv; + + /* Initialize TX after TRXC */ + osmo_fsm_inst_state_chg(fi, OM2K_TRX_S_WAIT_TX, + TRX_FSM_TIMEOUT, 0); + om2k_mo_fsm_start(fi, OM2K_TRX_EVT_TX_DONE, otfp->trx, + &otfp->trx->rbs2000.tx.om2k_mo); +} + +static void om2k_trx_s_wait_tx(struct osmo_fsm_inst *fi, uint32_t event, void *data) +{ + struct om2k_trx_fsm_priv *otfp = fi->priv; + + /* Initialize RX after TX */ + osmo_fsm_inst_state_chg(fi, OM2K_TRX_S_WAIT_RX, + TRX_FSM_TIMEOUT, 0); + om2k_mo_fsm_start(fi, OM2K_TRX_EVT_RX_DONE, otfp->trx, + &otfp->trx->rbs2000.rx.om2k_mo); +} + +static void om2k_trx_s_wait_rx(struct osmo_fsm_inst *fi, uint32_t event, void *data) +{ + struct om2k_trx_fsm_priv *otfp = fi->priv; + struct gsm_bts_trx_ts *ts; + + /* Initialize Timeslots after TX */ + osmo_fsm_inst_state_chg(fi, OM2K_TRX_S_WAIT_TS, + TRX_FSM_TIMEOUT, 0); + otfp->next_ts_nr = 0; + ts = &otfp->trx->ts[otfp->next_ts_nr++]; + om2k_mo_fsm_start(fi, OM2K_TRX_EVT_TS_DONE, otfp->trx, + &ts->rbs2000.om2k_mo); +} + +static void om2k_trx_s_wait_ts(struct osmo_fsm_inst *fi, uint32_t event, void *data) +{ + struct om2k_trx_fsm_priv *otfp = fi->priv; + struct gsm_bts_trx_ts *ts; + + if (otfp->next_ts_nr < 8) { + /* iterate to the next timeslot */ + ts = &otfp->trx->ts[otfp->next_ts_nr++]; + om2k_mo_fsm_start(fi, OM2K_TRX_EVT_TS_DONE, otfp->trx, + &ts->rbs2000.om2k_mo); + } else { + /* only after all 8 TS */ + osmo_fsm_inst_state_chg(fi, OM2K_TRX_S_DONE, 0, 0); + } +} + +static void om2k_trx_s_done_onenter(struct osmo_fsm_inst *fi, uint32_t prev_state) +{ + struct om2k_trx_fsm_priv *otfp = fi->priv; + gsm_bts_trx_set_system_infos(otfp->trx); + osmo_fsm_inst_term(fi, OSMO_FSM_TERM_REGULAR, NULL); +} + +static const struct osmo_fsm_state om2k_trx_states[] = { + [OM2K_TRX_S_INIT] = { + .in_event_mask = S(OM2K_TRX_EVT_START), + .out_state_mask = S(OM2K_TRX_S_WAIT_TRXC), + .name = "INIT", + .action = om2k_trx_s_init, + }, + [OM2K_TRX_S_WAIT_TRXC] = { + .in_event_mask = S(OM2K_TRX_EVT_TRXC_DONE), + .out_state_mask = S(OM2K_TRX_S_ERROR) | + S(OM2K_TRX_S_WAIT_TX), + .name = "WAIT-TRXC", + .action = om2k_trx_s_wait_trxc, + }, + [OM2K_TRX_S_WAIT_TX] = { + .in_event_mask = S(OM2K_TRX_EVT_TX_DONE), + .out_state_mask = S(OM2K_TRX_S_ERROR) | + S(OM2K_TRX_S_WAIT_RX), + .name = "WAIT-TX", + .action = om2k_trx_s_wait_tx, + }, + [OM2K_TRX_S_WAIT_RX] = { + .in_event_mask = S(OM2K_TRX_EVT_RX_DONE), + .out_state_mask = S(OM2K_TRX_S_ERROR) | + S(OM2K_TRX_S_WAIT_TS), + .name = "WAIT-RX", + .action = om2k_trx_s_wait_rx, + }, + [OM2K_TRX_S_WAIT_TS] = { + .in_event_mask = S(OM2K_TRX_EVT_TS_DONE), + .out_state_mask = S(OM2K_TRX_S_ERROR) | + S(OM2K_TRX_S_DONE), + .name = "WAIT-TS", + .action = om2k_trx_s_wait_ts, + }, + [OM2K_TRX_S_DONE] = { + .name = "DONE", + .onenter = om2k_trx_s_done_onenter, + }, + [OM2K_TRX_S_ERROR] = { + .name = "ERROR", + }, +}; + +static int om2k_trx_timer_cb(struct osmo_fsm_inst *fi) +{ + osmo_fsm_inst_state_chg(fi, OM2K_TRX_S_ERROR, 0, 0); + return 0; +} + +static struct osmo_fsm om2k_trx_fsm = { + .name = "OM2000-TRX", + .states = om2k_trx_states, + .num_states = ARRAY_SIZE(om2k_trx_states), + .log_subsys = DNM, + .event_names = om2k_trx_events, + .timer_cb = om2k_trx_timer_cb, +}; + +struct osmo_fsm_inst *om2k_trx_fsm_start(struct osmo_fsm_inst *parent, + struct gsm_bts_trx *trx, + uint32_t term_event) +{ + struct osmo_fsm_inst *fi; + struct om2k_trx_fsm_priv *otfp; + char idbuf[32]; + + snprintf(idbuf, sizeof(idbuf), "%u/%u", trx->bts->nr, trx->nr); + + fi = osmo_fsm_inst_alloc_child_id(&om2k_trx_fsm, parent, term_event, + idbuf); + if (!fi) + return NULL; + + otfp = talloc_zero(fi, struct om2k_trx_fsm_priv); + otfp->trx = trx; + fi->priv = otfp; + + osmo_fsm_inst_dispatch(fi, OM2K_TRX_EVT_START, NULL); + + return fi; +} + + +/*********************************************************************** + * OM2000 BTS Finite State Machine, initializes CF and all siblings + ***********************************************************************/ + +enum om2k_bts_event { + OM2K_BTS_EVT_START, + OM2K_BTS_EVT_CF_DONE, + OM2K_BTS_EVT_IS_DONE, + OM2K_BTS_EVT_CON_DONE, + OM2K_BTS_EVT_TF_DONE, + OM2K_BTS_EVT_TRX_DONE, + OM2K_BTS_EVT_STOP, +}; + +static const struct value_string om2k_bts_events[] = { + { OM2K_BTS_EVT_START, "START" }, + { OM2K_BTS_EVT_CF_DONE, "CF-DONE" }, + { OM2K_BTS_EVT_IS_DONE, "IS-DONE" }, + { OM2K_BTS_EVT_CON_DONE, "CON-DONE" }, + { OM2K_BTS_EVT_TF_DONE, "TF-DONE" }, + { OM2K_BTS_EVT_TRX_DONE, "TRX-DONE" }, + { OM2K_BTS_EVT_STOP, "STOP" }, + { 0, NULL } +}; + +enum om2k_bts_state { + OM2K_BTS_S_INIT, + OM2K_BTS_S_WAIT_CF, + OM2K_BTS_S_WAIT_IS, + OM2K_BTS_S_WAIT_CON, + OM2K_BTS_S_WAIT_TF, + OM2K_BTS_S_WAIT_TRX, + OM2K_BTS_S_DONE, + OM2K_BTS_S_ERROR, +}; + +struct om2k_bts_fsm_priv { + struct gsm_bts *bts; + uint8_t next_trx_nr; +}; + +static void om2k_bts_s_init(struct osmo_fsm_inst *fi, uint32_t event, void *data) +{ + struct om2k_bts_fsm_priv *obfp = fi->priv; + struct gsm_bts *bts = obfp->bts; + + OSMO_ASSERT(event == OM2K_BTS_EVT_START); + osmo_fsm_inst_state_chg(fi, OM2K_BTS_S_WAIT_CF, + BTS_FSM_TIMEOUT, 0); + om2k_mo_fsm_start(fi, OM2K_BTS_EVT_CF_DONE, bts->c0, + &bts->rbs2000.cf.om2k_mo); +} + +static void om2k_bts_s_wait_cf(struct osmo_fsm_inst *fi, uint32_t event, void *data) +{ + struct om2k_bts_fsm_priv *obfp = fi->priv; + struct gsm_bts *bts = obfp->bts; + + OSMO_ASSERT(event == OM2K_BTS_EVT_CF_DONE); + /* TF can take a long time to initialize, wait for 10min */ + osmo_fsm_inst_state_chg(fi, OM2K_BTS_S_WAIT_TF, 600, 0); + om2k_mo_fsm_start(fi, OM2K_BTS_EVT_TF_DONE, bts->c0, + &bts->rbs2000.tf.om2k_mo); +} + +static void om2k_bts_s_wait_tf(struct osmo_fsm_inst *fi, uint32_t event, void *data) +{ + struct om2k_bts_fsm_priv *obfp = fi->priv; + struct gsm_bts *bts = obfp->bts; + + OSMO_ASSERT(event == OM2K_BTS_EVT_TF_DONE); + + osmo_fsm_inst_state_chg(fi, OM2K_BTS_S_WAIT_CON, + BTS_FSM_TIMEOUT, 0); + om2k_mo_fsm_start(fi, OM2K_BTS_EVT_CON_DONE, bts->c0, + &bts->rbs2000.con.om2k_mo); +} + +static void om2k_bts_s_wait_con(struct osmo_fsm_inst *fi, uint32_t event, void *data) +{ + struct om2k_bts_fsm_priv *obfp = fi->priv; + struct gsm_bts *bts = obfp->bts; + + OSMO_ASSERT(event == OM2K_BTS_EVT_CON_DONE); + + osmo_fsm_inst_state_chg(fi, OM2K_BTS_S_WAIT_IS, + BTS_FSM_TIMEOUT, 0); + om2k_mo_fsm_start(fi, OM2K_BTS_EVT_IS_DONE, bts->c0, + &bts->rbs2000.is.om2k_mo); +} + +static void om2k_bts_s_wait_is(struct osmo_fsm_inst *fi, uint32_t event, void *data) +{ + struct om2k_bts_fsm_priv *obfp = fi->priv; + struct gsm_bts_trx *trx; + + OSMO_ASSERT(event == OM2K_BTS_EVT_IS_DONE); + + osmo_fsm_inst_state_chg(fi, OM2K_BTS_S_WAIT_TRX, + BTS_FSM_TIMEOUT, 0); + obfp->next_trx_nr = 0; + trx = gsm_bts_trx_num(obfp->bts, obfp->next_trx_nr++); + om2k_trx_fsm_start(fi, trx, OM2K_BTS_EVT_TRX_DONE); +} + +static void om2k_bts_s_wait_trx(struct osmo_fsm_inst *fi, uint32_t event, void *data) +{ + struct om2k_bts_fsm_priv *obfp = fi->priv; + + OSMO_ASSERT(event == OM2K_BTS_EVT_TRX_DONE); + + if (obfp->next_trx_nr < obfp->bts->num_trx) { + struct gsm_bts_trx *trx; + trx = gsm_bts_trx_num(obfp->bts, obfp->next_trx_nr++); + om2k_trx_fsm_start(fi, trx, OM2K_BTS_EVT_TRX_DONE); + } else { + osmo_fsm_inst_state_chg(fi, OM2K_BTS_S_DONE, 0, 0); + } +} + +static void om2k_bts_s_done_onenter(struct osmo_fsm_inst *fi, uint32_t prev_state) +{ + osmo_fsm_inst_term(fi, OSMO_FSM_TERM_REGULAR, NULL); +} + +static const struct osmo_fsm_state om2k_bts_states[] = { + [OM2K_BTS_S_INIT] = { + .in_event_mask = S(OM2K_BTS_EVT_START), + .out_state_mask = S(OM2K_BTS_S_WAIT_CF), + .name = "INIT", + .action = om2k_bts_s_init, + }, + [OM2K_BTS_S_WAIT_CF] = { + .in_event_mask = S(OM2K_BTS_EVT_CF_DONE), + .out_state_mask = S(OM2K_BTS_S_ERROR) | + S(OM2K_BTS_S_WAIT_TF), + .name = "WAIT-CF", + .action = om2k_bts_s_wait_cf, + }, + [OM2K_BTS_S_WAIT_TF] = { + .in_event_mask = S(OM2K_BTS_EVT_TF_DONE), + .out_state_mask = S(OM2K_BTS_S_ERROR) | + S(OM2K_BTS_S_WAIT_CON), + .name = "WAIT-TF", + .action = om2k_bts_s_wait_tf, + }, + [OM2K_BTS_S_WAIT_CON] = { + .in_event_mask = S(OM2K_BTS_EVT_CON_DONE), + .out_state_mask = S(OM2K_BTS_S_ERROR) | + S(OM2K_BTS_S_WAIT_IS), + .name = "WAIT-CON", + .action = om2k_bts_s_wait_con, + }, + [OM2K_BTS_S_WAIT_IS] = { + .in_event_mask = S(OM2K_BTS_EVT_IS_DONE), + .out_state_mask = S(OM2K_BTS_S_ERROR) | + S(OM2K_BTS_S_WAIT_TRX), + .name = "WAIT-IS", + .action = om2k_bts_s_wait_is, + }, + [OM2K_BTS_S_WAIT_TRX] = { + .in_event_mask = S(OM2K_BTS_EVT_TRX_DONE), + .out_state_mask = S(OM2K_BTS_S_ERROR) | + S(OM2K_BTS_S_DONE), + .name = "WAIT-TRX", + .action = om2k_bts_s_wait_trx, + }, + [OM2K_BTS_S_DONE] = { + .name = "DONE", + .onenter = om2k_bts_s_done_onenter, + }, + [OM2K_BTS_S_ERROR] = { + .name = "ERROR", + }, +}; + +static int om2k_bts_timer_cb(struct osmo_fsm_inst *fi) +{ + osmo_fsm_inst_state_chg(fi, OM2K_BTS_S_ERROR, 0, 0); + return 0; +} + +static struct osmo_fsm om2k_bts_fsm = { + .name = "OM2000-BTS", + .states = om2k_bts_states, + .num_states = ARRAY_SIZE(om2k_bts_states), + .log_subsys = DNM, + .event_names = om2k_bts_events, + .timer_cb = om2k_bts_timer_cb, +}; + +struct osmo_fsm_inst * +om2k_bts_fsm_start(struct gsm_bts *bts) +{ + struct osmo_fsm_inst *fi; + struct om2k_bts_fsm_priv *obfp; + char idbuf[16]; + + snprintf(idbuf, sizeof(idbuf), "%u", bts->nr); + + fi = osmo_fsm_inst_alloc(&om2k_bts_fsm, bts, NULL, + LOGL_DEBUG, idbuf); + if (!fi) + return NULL; + fi->priv = obfp = talloc_zero(fi, struct om2k_bts_fsm_priv); + obfp->bts = bts; + + osmo_fsm_inst_dispatch(fi, OM2K_BTS_EVT_START, NULL); + + return fi; +} + + +/*********************************************************************** + * OM2000 Negotiation + ***********************************************************************/ + +static int abis_om2k_tx_negot_req_ack(struct gsm_bts *bts, const struct abis_om2k_mo *mo, + uint8_t *data, unsigned int len) +{ + struct msgb *msg = om2k_msgb_alloc(); + struct abis_om2k_hdr *o2k; + + o2k = (struct abis_om2k_hdr *) msgb_put(msg, sizeof(*o2k)); + fill_om2k_hdr(o2k, mo, OM2K_MSGT_NEGOT_REQ_ACK); + + msgb_tlv_put(msg, OM2K_DEI_NEGOT_REC2, len, data); + + DEBUGP(DNM, "Tx MO=%s %s\n", om2k_mo_name(mo), + get_value_string(om2k_msgcode_vals, OM2K_MSGT_NEGOT_REQ_ACK)); + + return abis_om2k_sendmsg(bts, msg); +} + +struct iwd_version { + uint8_t gen_char[3+1]; + uint8_t rev_char[3+1]; +}; + +struct iwd_type { + uint8_t num_vers; + struct iwd_version v[8]; +}; + +static int om2k_rx_negot_req(struct msgb *msg) +{ + struct e1inp_sign_link *sign_link = (struct e1inp_sign_link *)msg->dst; + struct abis_om2k_hdr *o2h = msgb_l2(msg); + struct iwd_type iwd_types[16]; + uint8_t num_iwd_types = o2h->data[2]; + uint8_t *cur = o2h->data+3; + unsigned int i, v; + + uint8_t out_buf[1024]; + uint8_t *out_cur = out_buf+1; + uint8_t out_num_types = 0; + + memset(iwd_types, 0, sizeof(iwd_types)); + + /* Parse the RBS-supported IWD versions into iwd_types array */ + for (i = 0; i < num_iwd_types; i++) { + uint8_t num_versions = *cur++; + uint8_t iwd_type = *cur++; + + iwd_types[iwd_type].num_vers = num_versions; + + for (v = 0; v < num_versions; v++) { + struct iwd_version *iwd_v = &iwd_types[iwd_type].v[v]; + + memcpy(iwd_v->gen_char, cur, 3); + cur += 3; + memcpy(iwd_v->rev_char, cur, 3); + cur += 3; + + DEBUGP(DNM, "\tIWD Type %u Gen %s Rev %s\n", iwd_type, + iwd_v->gen_char, iwd_v->rev_char); + } + } + + /* Select the last version for each IWD type */ + for (i = 0; i < ARRAY_SIZE(iwd_types); i++) { + struct iwd_type *type = &iwd_types[i]; + struct iwd_version *last_v; + + if (type->num_vers == 0) + continue; + + out_num_types++; + + last_v = &type->v[type->num_vers-1]; + + *out_cur++ = i; + memcpy(out_cur, last_v->gen_char, 3); + out_cur += 3; + memcpy(out_cur, last_v->rev_char, 3); + out_cur += 3; + } + + out_buf[0] = out_num_types; + + return abis_om2k_tx_negot_req_ack(sign_link->trx->bts, &o2h->mo, out_buf, out_cur - out_buf); +} + + +/*********************************************************************** + * OM2000 Receive Message Handler + ***********************************************************************/ + +static int om2k_rx_nack(struct msgb *msg) +{ + struct abis_om2k_hdr *o2h = msgb_l2(msg); + uint16_t msg_type = ntohs(o2h->msg_type); + struct tlv_parsed tp; + + LOGP(DNM, LOGL_ERROR, "Rx MO=%s %s", om2k_mo_name(&o2h->mo), + get_value_string(om2k_msgcode_vals, msg_type)); + + abis_om2k_msg_tlv_parse(&tp, o2h); + if (TLVP_PRESENT(&tp, OM2K_DEI_REASON_CODE)) + LOGPC(DNM, LOGL_ERROR, ", Reason 0x%02x", + *TLVP_VAL(&tp, OM2K_DEI_REASON_CODE)); + + if (TLVP_PRESENT(&tp, OM2K_DEI_RESULT_CODE)) + LOGPC(DNM, LOGL_ERROR, ", Result %s", + get_value_string(om2k_result_strings, + *TLVP_VAL(&tp, OM2K_DEI_RESULT_CODE))); + LOGPC(DNM, LOGL_ERROR, "\n"); + + return 0; +} + +static int process_mo_state(struct gsm_bts *bts, struct om2k_decoded_msg *odm) +{ + uint8_t mo_state; + + if (!TLVP_PRESENT(&odm->tp, OM2K_DEI_MO_STATE)) + return -EIO; + mo_state = *TLVP_VAL(&odm->tp, OM2K_DEI_MO_STATE); + + LOGP(DNM, LOGL_DEBUG, "Rx MO=%s %s, MO State: %s\n", + om2k_mo_name(&odm->o2h.mo), + get_value_string(om2k_msgcode_vals, odm->msg_type), + get_value_string(om2k_mostate_vals, mo_state)); + + /* Throw error message in case we see an enable rsponse that does + * not yield an enabled mo-state */ + if (odm->msg_type == OM2K_MSGT_ENABLE_RES + && mo_state != OM2K_MO_S_ENABLED) { + LOGP(DNM, LOGL_ERROR, + "Rx MO=%s %s Failed to enable MO State!\n", + om2k_mo_name(&odm->o2h.mo), + get_value_string(om2k_msgcode_vals, odm->msg_type)); + } + + update_mo_state(bts, &odm->o2h.mo, mo_state); + + return 0; +} + +/* Display fault report bits (helper function of display_fault_maps()) */ +static bool display_fault_bits(const uint8_t *vect, uint16_t len, + uint8_t dei, const struct abis_om2k_mo *mo) +{ + uint16_t i; + int k; + bool faults_present = false; + int first = 1; + char string[255]; + + /* Check if errors are present at all */ + for (i = 0; i < len; i++) + if (vect[i]) + faults_present = true; + if (!faults_present) + return false; + + sprintf(string, "Fault Report: %s (", + get_value_string(om2k_attr_vals, dei)); + + for (i = 0; i < len; i++) { + for (k = 0; k < 8; k++) { + if ((vect[i] >> k) & 1) { + if (!first) + sprintf(string + strlen(string), ","); + sprintf(string + strlen(string), "%d", k + i*8); + first = 0; + } + } + } + + sprintf(string + strlen(string), ")\n"); + DEBUGP(DNM, "Rx MO=%s %s", om2k_mo_name(mo), string); + + return true; +} + +/* Display fault report maps */ +static void display_fault_maps(const uint8_t *src, unsigned int src_len, + const struct abis_om2k_mo *mo) +{ + uint8_t tag; + uint16_t tag_len; + const uint8_t *val; + int src_pos = 0; + int rc; + int tlv_count = 0; + uint16_t msg_code; + bool faults_present = false; + + /* Chop off header */ + src+=4; + src_len-=4; + + /* Check message type */ + msg_code = (*src & 0xff) << 8; + src++; + src_len--; + msg_code |= (*src & 0xff); + src++; + src_len--; + if (msg_code != OM2K_MSGT_FAULT_REP) { + LOGP(DNM, LOGL_ERROR, "Rx MO=%s Fault report: invalid message code!\n", + om2k_mo_name(mo)); + return; + } + + /* Chop off mo-interface */ + src += 4; + src_len -= 4; + + /* Iterate over each TLV element */ + while (1) { + + /* Bail if an the maximum number of TLV fields + * have been parsed */ + if (tlv_count >= 11) { + LOGP(DNM, LOGL_ERROR, + "Rx MO=%s Fault Report: too many tlv elements!\n", + om2k_mo_name(mo)); + return; + } + + /* Parse TLV field */ + rc = tlv_parse_one(&tag, &tag_len, &val, &om2k_att_tlvdef, + src + src_pos, src_len - src_pos); + if (rc > 0) + src_pos += rc; + else { + LOGP(DNM, LOGL_ERROR, + "Rx MO=%s Fault Report: invalid tlv element!\n", + om2k_mo_name(mo)); + return; + } + + switch (tag) { + case OM2K_DEI_INT_FAULT_MAP_1A: + case OM2K_DEI_INT_FAULT_MAP_1B: + case OM2K_DEI_INT_FAULT_MAP_2A: + case OM2K_DEI_EXT_COND_MAP_1: + case OM2K_DEI_EXT_COND_MAP_2: + case OM2K_DEI_REPL_UNIT_MAP: + case OM2K_DEI_INT_FAULT_MAP_2A_EXT: + case OM2K_DEI_EXT_COND_MAP_2_EXT: + case OM2K_DEI_REPL_UNIT_MAP_EXT: + faults_present |= display_fault_bits(val, tag_len, + tag, mo); + break; + } + + /* Stop when no further TLV elements can be expected */ + if (src_len - src_pos < 2) + break; + + tlv_count++; + } + + if (!faults_present) { + DEBUGP(DNM, "Rx MO=%s Fault Report: All faults ceased!\n", + om2k_mo_name(mo)); + } +} + +int abis_om2k_rcvmsg(struct msgb *msg) +{ + struct e1inp_sign_link *sign_link = (struct e1inp_sign_link *)msg->dst; + struct gsm_bts *bts = sign_link->trx->bts; + struct abis_om2k_hdr *o2h = msgb_l2(msg); + struct abis_om_hdr *oh = &o2h->om; + uint16_t msg_type = ntohs(o2h->msg_type); + struct om2k_decoded_msg odm; + struct om2k_mo *mo; + int rc = 0; + + /* Various consistency checks */ + if (oh->placement != ABIS_OM_PLACEMENT_ONLY) { + LOGP(DNM, LOGL_ERROR, "ABIS OML placement 0x%x not supported\n", + oh->placement); + if (oh->placement != ABIS_OM_PLACEMENT_FIRST) + return -EINVAL; + } + if (oh->sequence != 0) { + LOGP(DNM, LOGL_ERROR, "ABIS OML sequence 0x%x != 0x00\n", + oh->sequence); + return -EINVAL; + } + + msg->l3h = (unsigned char *)o2h + sizeof(*o2h); + + if (oh->mdisc != ABIS_OM_MDISC_FOM) { + LOGP(DNM, LOGL_ERROR, "unknown ABIS OM2000 message discriminator 0x%x\n", + oh->mdisc); + return -EINVAL; + } + + DEBUGP(DNM, "Rx MO=%s %s (%s)\n", om2k_mo_name(&o2h->mo), + get_value_string(om2k_msgcode_vals, msg_type), + osmo_hexdump(msg->l2h, msgb_l2len(msg))); + + om2k_decode_msg(&odm, msg); + + process_mo_state(bts, &odm); + + switch (msg_type) { + case OM2K_MSGT_CAL_TIME_REQ: + rc = abis_om2k_cal_time_resp(bts); + break; + case OM2K_MSGT_FAULT_REP: + display_fault_maps(msg->l2h, msgb_l2len(msg), &o2h->mo); + rc = abis_om2k_tx_simple(bts, &o2h->mo, OM2K_MSGT_FAULT_REP_ACK); + break; + case OM2K_MSGT_NEGOT_REQ: + rc = om2k_rx_negot_req(msg); + break; + case OM2K_MSGT_START_RES: + /* common processing here */ + rc = abis_om2k_tx_simple(bts, &o2h->mo, OM2K_MSGT_START_RES_ACK); + /* below we dispatch into MO */ + break; + case OM2K_MSGT_IS_CONF_RES: + rc = abis_om2k_tx_simple(bts, &o2h->mo, OM2K_MSGT_IS_CONF_RES_ACK); + break; + case OM2K_MSGT_CON_CONF_RES: + rc = abis_om2k_tx_simple(bts, &o2h->mo, OM2K_MSGT_CON_CONF_RES_ACK); + break; + case OM2K_MSGT_TX_CONF_RES: + rc = abis_om2k_tx_simple(bts, &o2h->mo, OM2K_MSGT_TX_CONF_RES_ACK); + break; + case OM2K_MSGT_RX_CONF_RES: + rc = abis_om2k_tx_simple(bts, &o2h->mo, OM2K_MSGT_RX_CONF_RES_ACK); + break; + case OM2K_MSGT_TS_CONF_RES: + rc = abis_om2k_tx_simple(bts, &o2h->mo, OM2K_MSGT_TS_CONF_RES_ACK); + break; + case OM2K_MSGT_TF_CONF_RES: + rc = abis_om2k_tx_simple(bts, &o2h->mo, OM2K_MSGT_TF_CONF_RES_ACK); + break; + case OM2K_MSGT_ENABLE_RES: + rc = abis_om2k_tx_simple(bts, &o2h->mo, OM2K_MSGT_ENABLE_RES_ACK); + break; + case OM2K_MSGT_DISABLE_RES: + rc = abis_om2k_tx_simple(bts, &o2h->mo, OM2K_MSGT_DISABLE_RES_ACK); + break; + case OM2K_MSGT_TEST_RES: + rc = abis_om2k_tx_simple(bts, &o2h->mo, OM2K_MSGT_TEST_RES_ACK); + break; + case OM2K_MSGT_CAPA_RES: + rc = abis_om2k_tx_simple(bts, &o2h->mo, OM2K_MSGT_CAPA_RES_ACK); + break; + /* ERrors */ + case OM2K_MSGT_START_REQ_REJ: + case OM2K_MSGT_CONNECT_REJ: + case OM2K_MSGT_OP_INFO_REJ: + case OM2K_MSGT_DISCONNECT_REJ: + case OM2K_MSGT_TEST_REQ_REJ: + case OM2K_MSGT_CON_CONF_REQ_REJ: + case OM2K_MSGT_IS_CONF_REQ_REJ: + case OM2K_MSGT_TX_CONF_REQ_REJ: + case OM2K_MSGT_RX_CONF_REQ_REJ: + case OM2K_MSGT_TS_CONF_REQ_REJ: + case OM2K_MSGT_TF_CONF_REQ_REJ: + case OM2K_MSGT_ENABLE_REQ_REJ: + case OM2K_MSGT_ALARM_STATUS_REQ_REJ: + case OM2K_MSGT_DISABLE_REQ_REJ: + rc = om2k_rx_nack(msg); + break; + } + + /* Resolve the MO for this message */ + mo = get_om2k_mo(bts, &o2h->mo); + if (!mo) { + LOGP(DNM, LOGL_ERROR, "Couldn't resolve MO for OM2K msg " + "%s: %s\n", get_value_string(om2k_msgcode_vals, msg_type), + msgb_hexdump(msg)); + return 0; + } + if (!mo->fsm) { + LOGP(DNM, LOGL_ERROR, "MO object should not generate any message. fsm == NULL " + "%s: %s\n", get_value_string(om2k_msgcode_vals, msg_type), + msgb_hexdump(msg)); + return 0; + } + + /* Dispatch message to that MO */ + om2k_mo_fsm_recvmsg(bts, mo, &odm); + + msgb_free(msg); + return rc; +} + +static void om2k_mo_init(struct om2k_mo *mo, uint8_t class, + uint8_t bts_nr, uint8_t assoc_so, uint8_t inst) +{ + mo->addr.class = class; + mo->addr.bts = bts_nr; + mo->addr.assoc_so = assoc_so; + mo->addr.inst = inst; +} + +/* initialize the OM2K_MO members of gsm_bts_trx and its timeslots */ +void abis_om2k_trx_init(struct gsm_bts_trx *trx) +{ + struct gsm_bts *bts = trx->bts; + unsigned int i; + + OSMO_ASSERT(bts->type == GSM_BTS_TYPE_RBS2000); + + om2k_mo_init(&trx->rbs2000.trxc.om2k_mo, OM2K_MO_CLS_TRXC, + bts->nr, 255, trx->nr); + om2k_mo_init(&trx->rbs2000.tx.om2k_mo, OM2K_MO_CLS_TX, + bts->nr, 255, trx->nr); + om2k_mo_init(&trx->rbs2000.rx.om2k_mo, OM2K_MO_CLS_RX, + bts->nr, 255, trx->nr); + + for (i = 0; i < ARRAY_SIZE(trx->ts); i++) { + om2k_mo_init(&trx->ts[i].rbs2000.om2k_mo, OM2K_MO_CLS_TS, + bts->nr, trx->nr, i); + } +} + +/* initialize the OM2K_MO members of gsm_bts */ +void abis_om2k_bts_init(struct gsm_bts *bts) +{ + OSMO_ASSERT(bts->type == GSM_BTS_TYPE_RBS2000); + + om2k_mo_init(&bts->rbs2000.cf.om2k_mo, OM2K_MO_CLS_CF, + bts->nr, 0xFF, 0); + om2k_mo_init(&bts->rbs2000.is.om2k_mo, OM2K_MO_CLS_IS, + bts->nr, 0xFF, 0); + om2k_mo_init(&bts->rbs2000.con.om2k_mo, OM2K_MO_CLS_CON, + bts->nr, 0xFF, 0); + om2k_mo_init(&bts->rbs2000.dp.om2k_mo, OM2K_MO_CLS_DP, + bts->nr, 0xFF, 0); + om2k_mo_init(&bts->rbs2000.tf.om2k_mo, OM2K_MO_CLS_TF, + bts->nr, 0xFF, 0); +} + +static __attribute__((constructor)) void abis_om2k_init(void) +{ + osmo_fsm_register(&om2k_mo_fsm); + osmo_fsm_register(&om2k_bts_fsm); + osmo_fsm_register(&om2k_trx_fsm); +} |