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osmo-bsc/src/osmo-bsc/abis_nm.c

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/* GSM Network Management (OML) messages on the A-bis interface
* 3GPP TS 12.21 version 8.0.0 Release 1999 / ETSI TS 100 623 V8.0.0 */
/* (C) 2008-2018 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 <fcntl.h>
#include <stdlib.h>
#include <libgen.h>
#include <time.h>
#include <limits.h>
#include <inttypes.h>
#include <sys/stat.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <osmocom/bsc/gsm_data.h>
#include <osmocom/bsc/debug.h>
#include <osmocom/core/msgb.h>
#include <osmocom/gsm/protocol/gsm_12_21.h>
#include <osmocom/gsm/tlv.h>
#include <osmocom/gsm/abis_nm.h>
#include <osmocom/core/talloc.h>
#include <osmocom/core/utils.h>
#include <osmocom/bsc/abis_nm.h>
#include <osmocom/bsc/misdn.h>
#include <osmocom/bsc/signal.h>
#include <osmocom/abis/e1_input.h>
#include <osmocom/bsc/chan_alloc.h>
#include <osmocom/bsc/bts.h>
#include <osmocom/bsc/nm_common_fsm.h>
#include <osmocom/gsm/bts_features.h>
#include <osmocom/bsc/ipaccess.h>
#include <osmocom/bsc/bts_ipaccess_nanobts_omlattr.h>
#define OM_ALLOC_SIZE 1024
#define OM_HEADROOM_SIZE 128
#define IPACC_SEGMENT_SIZE 245
/* max number of SW Description IEs we can parse */
#define SW_DESCR_MAX 5
#define LOGPMO(mo, ss, lvl, fmt, args ...) \
LOGP(ss, lvl, "OC=%s(%02x) INST=(%02x,%02x,%02x): " fmt, \
get_value_string(abis_nm_obj_class_names, (mo)->obj_class), \
(mo)->obj_class, (mo)->obj_inst.bts_nr, (mo)->obj_inst.trx_nr, \
(mo)->obj_inst.ts_nr, ## args)
int abis_nm_tlv_parse(struct tlv_parsed *tp, struct gsm_bts *bts, const uint8_t *buf, int len)
{
if (!bts->model)
return -EIO;
return tlv_parse(tp, &bts->model->nm_att_tlvdef, buf, len, 0, 0);
}
/* Parse OML Primary IP and port from tlv_parsed containing list of Reported Attributes */
int abis_nm_tlv_attr_primary_oml(struct tlv_parsed *tp, struct in_addr *ia, uint16_t *oml_port)
{
const uint8_t* data;
if (TLVP_PRES_LEN(tp, NM_ATT_IPACC_PRIM_OML_CFG_LIST, 7)) {
data = TLVP_VAL(tp, NM_ATT_IPACC_PRIM_OML_CFG_LIST);
if (NM_ATT_IPACC_PRIM_OML_CFG == *data) {
ia->s_addr = htonl(osmo_load32be(data+1));
*oml_port = osmo_load16be(data+5);
return 0;
}else {
LOGP(DNM, LOGL_ERROR,
"Get Attributes Response: PRIM_OML_CFG_LIST has unexpected format: %s\n",
osmo_hexdump(data, TLVP_LEN(tp, NM_ATT_IPACC_PRIM_OML_CFG_LIST)));
}
}
return -1;
}
/* Parse OML Primary IP and port from tlv_parsed containing list of Reported Attributes */
int abis_nm_tlv_attr_unit_id(struct tlv_parsed *tp, char* unit_id, size_t buf_len)
{
const uint8_t* data;
uint16_t len;
if (TLVP_PRES_LEN(tp, NM_ATT_IPACC_UNIT_ID, 1)) {
data = TLVP_VAL(tp, NM_ATT_IPACC_UNIT_ID);
len = TLVP_LEN(tp, NM_ATT_IPACC_UNIT_ID);
osmo_strlcpy(unit_id, (char*)data, OSMO_MIN(len, buf_len));
return 0;
}
return -1;
}
static int is_in_arr(enum abis_nm_msgtype mt, const enum abis_nm_msgtype *arr, int size)
{
int i;
for (i = 0; i < size; i++) {
if (arr[i] == mt)
return 1;
}
return 0;
}
#if 0
/* is this msgtype the usual ACK/NACK type ? */
static int is_ack_nack(enum abis_nm_msgtype mt)
{
return !is_in_arr(mt, no_ack_nack, ARRAY_SIZE(no_ack_nack));
}
#endif
/* is this msgtype a report ? */
static int is_report(enum abis_nm_msgtype mt)
{
return is_in_arr(mt, abis_nm_reports, ARRAY_SIZE(abis_nm_reports));
}
#define MT_ACK(x) (x+1)
#define MT_NACK(x) (x+2)
static void fill_om_hdr(struct abis_om_hdr *oh, uint8_t len)
{
oh->mdisc = ABIS_OM_MDISC_FOM;
oh->placement = ABIS_OM_PLACEMENT_ONLY;
oh->sequence = 0;
oh->length = len;
}
static struct abis_om_fom_hdr *fill_om_fom_hdr(struct abis_om_hdr *oh, uint8_t len,
uint8_t msg_type, uint8_t obj_class,
uint8_t bts_nr, uint8_t trx_nr, uint8_t ts_nr)
{
struct abis_om_fom_hdr *foh =
(struct abis_om_fom_hdr *) oh->data;
fill_om_hdr(oh, len+sizeof(*foh));
foh->msg_type = msg_type;
foh->obj_class = obj_class;
foh->obj_inst.bts_nr = bts_nr;
foh->obj_inst.trx_nr = trx_nr;
foh->obj_inst.ts_nr = ts_nr;
return foh;
}
static struct msgb *nm_msgb_alloc(void)
{
return msgb_alloc_headroom(OM_ALLOC_SIZE, OM_HEADROOM_SIZE,
"OML");
}
int _abis_nm_sendmsg(struct msgb *msg)
{
msg->l2h = msg->data;
if (!msg->dst) {
LOGP(DNM, LOGL_ERROR, "%s: msg->dst == NULL\n", __func__);
msgb_free(msg);
return -EINVAL;
}
return abis_sendmsg(msg);
}
/* Send a OML NM Message from BSC to BTS */
static int abis_nm_queue_msg(struct gsm_bts *bts, struct msgb *msg)
{
msg->dst = bts->oml_link;
/* queue OML messages */
if (llist_empty(&bts->abis_queue) && !bts->abis_nm_pend) {
bts->abis_nm_pend = OBSC_NM_W_ACK_CB(msg);
return _abis_nm_sendmsg(msg);
} else {
msgb_enqueue(&bts->abis_queue, msg);
return 0;
}
}
int abis_nm_sendmsg(struct gsm_bts *bts, struct msgb *msg)
{
OBSC_NM_W_ACK_CB(msg) = 1;
return abis_nm_queue_msg(bts, msg);
}
static int abis_nm_sendmsg_direct(struct gsm_bts *bts, struct msgb *msg)
{
OBSC_NM_W_ACK_CB(msg) = 0;
return abis_nm_queue_msg(bts, msg);
}
static int abis_nm_rcvmsg_sw(struct msgb *mb);
/* Update the administrative state of a given object in our in-memory data
* structures and send an event to the higher layer */
static int update_admstate(struct gsm_bts *bts, uint8_t obj_class,
struct abis_om_obj_inst *obj_inst, uint8_t adm_state)
{
struct gsm_nm_state *nm_state;
struct nm_statechg_signal_data nsd;
memset(&nsd, 0, sizeof(nsd));
nsd.obj = gsm_objclass2obj(bts, obj_class, obj_inst);
if (!nsd.obj)
return -EINVAL;
nm_state = gsm_objclass2nmstate(bts, obj_class, obj_inst);
if (!nm_state)
return -1;
nsd.bts = bts;
nsd.obj_class = obj_class;
nsd.old_state = *nm_state;
nsd.new_state = *nm_state;
nsd.obj_inst = obj_inst;
nsd.new_state.administrative = adm_state;
/* Update current state before emitting signal: */
nm_state->administrative = adm_state;
osmo_signal_dispatch(SS_NM, S_NM_STATECHG, &nsd);
return 0;
}
static int abis_nm_rx_statechg_rep(struct msgb *mb)
{
struct abis_om_hdr *oh = msgb_l2(mb);
struct abis_om_fom_hdr *foh = msgb_l3(mb);
struct e1inp_sign_link *sign_link = mb->dst;
struct gsm_bts *bts = sign_link->trx->bts;
struct tlv_parsed tp;
struct gsm_nm_state *nm_state;
struct nm_statechg_signal_data nsd;
memset(&nsd, 0, sizeof(nsd));
nsd.obj = gsm_objclass2obj(bts, foh->obj_class, &foh->obj_inst);
if (!nsd.obj) {
LOGPFOH(DNM, LOGL_ERROR, foh, "unknown managed object\n");
return -EINVAL;
}
nm_state = gsm_objclass2nmstate(bts, foh->obj_class, &foh->obj_inst);
if (!nm_state) {
LOGPFOH(DNM, LOGL_ERROR, foh, "unknown managed object\n");
return -EINVAL;
}
nsd.obj_class = foh->obj_class;
nsd.old_state = *nm_state;
nsd.new_state = *nm_state;
nsd.obj_inst = &foh->obj_inst;
nsd.bts = bts;
if (abis_nm_tlv_parse(&tp, bts, foh->data, oh->length - sizeof(*foh)) < 0) {
LOGPFOH(DNM, LOGL_ERROR, foh, "%s(): tlv_parse failed\n", __func__);
return -EINVAL;
}
DEBUGPFOH(DNM, foh, "STATE CHG: ");
if (TLVP_PRESENT(&tp, NM_ATT_OPER_STATE)) {
nsd.new_state.operational = *TLVP_VAL(&tp, NM_ATT_OPER_STATE);
DEBUGPC(DNM, "OP_STATE=%s ",
abis_nm_opstate_name(nsd.new_state.operational));
}
if (TLVP_PRESENT(&tp, NM_ATT_AVAIL_STATUS)) {
if (TLVP_LEN(&tp, NM_ATT_AVAIL_STATUS) == 0)
nsd.new_state.availability = NM_AVSTATE_OK;
else
nsd.new_state.availability = *TLVP_VAL(&tp, NM_ATT_AVAIL_STATUS);
DEBUGPC(DNM, "AVAIL=%s(%02x) ",
abis_nm_avail_name(nsd.new_state.availability),
nsd.new_state.availability);
} else
nsd.new_state.availability = NM_AVSTATE_OK;
if (TLVP_PRESENT(&tp, NM_ATT_ADM_STATE)) {
nsd.new_state.administrative = *TLVP_VAL(&tp, NM_ATT_ADM_STATE);
DEBUGPC(DNM, "ADM=%2s ",
get_value_string(abis_nm_adm_state_names,
nsd.new_state.administrative));
}
if ((nsd.new_state.administrative != 0 && nsd.old_state.administrative == 0) ||
nsd.new_state.operational != nsd.old_state.operational ||
nsd.new_state.availability != nsd.old_state.availability) {
DEBUGPC(DNM, "\n");
/* Update the state of a given object in our in-memory data
* structures and send an event to the higher layer */
*nm_state = nsd.new_state;
osmo_signal_dispatch(SS_NM, S_NM_STATECHG, &nsd);
} else {
DEBUGPC(DNM, "(No State change detected)\n");
}
return 0;
}
static inline void log_oml_fail_rep(const struct gsm_bts *bts, const char *type,
const char *severity, const uint8_t *p_val,
const char *text)
{
enum abis_nm_pcause_type pcause = p_val[0];
enum abis_mm_event_causes cause = osmo_load16be(p_val + 1);
LOGPMO(&bts->mo, DNM, LOGL_ERROR, "Failure Event Report: ");
if (type)
LOGPC(DNM, LOGL_ERROR, "Type=%s, ", type);
if (severity)
LOGPC(DNM, LOGL_ERROR, "Severity=%s, ", severity);
LOGPC(DNM, LOGL_ERROR, "Probable cause=%s: ",
get_value_string(abis_nm_pcause_type_names, pcause));
if (pcause == NM_PCAUSE_T_MANUF)
LOGPC(DNM, LOGL_ERROR, "%s, ",
get_value_string(abis_mm_event_cause_names, cause));
else
LOGPC(DNM, LOGL_ERROR, "%02X %02X ", p_val[1], p_val[2]);
if (text) {
LOGPC(DNM, LOGL_ERROR, "Additional Text=%s. ", text);
}
LOGPC(DNM, LOGL_ERROR, "\n");
}
static inline void handle_manufact_report(struct gsm_bts *bts, const uint8_t *p_val, const char *type,
const char *severity, const char *text)
{
enum abis_mm_event_causes cause = osmo_load16be(p_val + 1);
switch (cause) {
case OSMO_EVT_PCU_VERS:
if (text) {
LOGPMO(&bts->mo, DNM, LOGL_NOTICE, "Reported connected PCU version %s\n", text);
osmo_strlcpy(bts->pcu_version, text, sizeof(bts->pcu_version));
} else {
LOGPMO(&bts->mo, DNM, LOGL_ERROR, "Reported PCU disconnection.\n");
bts->pcu_version[0] = '\0';
}
break;
default:
log_oml_fail_rep(bts, type, severity, p_val, text);
};
}
/* Parse into newly allocated struct abis_nm_fail_evt_rep, caller must free it. */
struct nm_fail_rep_signal_data *abis_nm_fail_evt_rep_parse(struct msgb *mb, struct gsm_bts *bts)
{
struct abis_om_hdr *oh = msgb_l2(mb);
struct abis_om_fom_hdr *foh = msgb_l3(mb);
struct nm_fail_rep_signal_data *sd;
const uint8_t *p_val = NULL;
char *p_text = NULL;
const char *e_type = NULL, *severity = NULL;
sd = talloc_zero(tall_bsc_ctx, struct nm_fail_rep_signal_data);
OSMO_ASSERT(sd);
if (abis_nm_tlv_parse(&sd->tp, bts, foh->data, oh->length - sizeof(*foh)) < 0) {
LOGPFOH(DNM, LOGL_ERROR, foh, "%s(): tlv_parse failed\n", __func__);
goto fail;
}
if (TLVP_PRESENT(&sd->tp, NM_ATT_ADD_TEXT)) {
const uint8_t *val = TLVP_VAL(&sd->tp, NM_ATT_ADD_TEXT);
p_text = talloc_strndup(sd, (const char *) val, TLVP_LEN(&sd->tp, NM_ATT_ADD_TEXT));
}
if (TLVP_PRESENT(&sd->tp, NM_ATT_EVENT_TYPE))
e_type = abis_nm_event_type_name(*TLVP_VAL(&sd->tp, NM_ATT_EVENT_TYPE));
if (TLVP_PRESENT(&sd->tp, NM_ATT_SEVERITY))
severity = abis_nm_severity_name(*TLVP_VAL(&sd->tp, NM_ATT_SEVERITY));
if (TLVP_PRESENT(&sd->tp, NM_ATT_PROB_CAUSE))
p_val = TLVP_VAL(&sd->tp, NM_ATT_PROB_CAUSE);
sd->bts = bts;
sd->msg = mb;
if (e_type)
sd->parsed.event_type = e_type;
else
sd->parsed.event_type = talloc_strdup(sd, "<none>");
if (severity)
sd->parsed.severity = severity;
else
sd->parsed.severity = talloc_strdup(sd, "<none>");
if (p_text)
sd->parsed.additional_text = p_text;
else
sd->parsed.additional_text = talloc_strdup(sd, "<none>");
sd->parsed.probable_cause = p_val;
return sd;
fail:
talloc_free(sd);
return NULL;
}
static int rx_fail_evt_rep(struct msgb *mb, struct gsm_bts *bts)
{
struct abis_om_fom_hdr *foh = msgb_l3(mb);
struct nm_fail_rep_signal_data *sd;
int rc = 0;
const uint8_t *p_val;
const char *e_type, *severity, *p_text;
struct bts_oml_fail_rep *entry;
/* Store copy in bts->oml_fail_rep */
entry = talloc_zero(bts, struct bts_oml_fail_rep);
OSMO_ASSERT(entry);
entry->time = time(NULL);
entry->mb = msgb_copy_c(entry, mb, "OML failure report");
llist_add(&entry->list, &bts->oml_fail_rep);
/* Limit list size */
if (llist_count(&bts->oml_fail_rep) > 50) {
struct bts_oml_fail_rep *old = llist_last_entry(&bts->oml_fail_rep, struct bts_oml_fail_rep, list);
llist_del(&old->list);
talloc_free(old);
}
sd = abis_nm_fail_evt_rep_parse(mb, bts);
if (!sd) {
LOGPFOH(DNM, LOGL_ERROR, foh, "Failed to parse Failure Event Report\n");
return -EINVAL;
}
e_type = sd->parsed.event_type;
severity = sd->parsed.severity;
p_text = sd->parsed.additional_text;
p_val = sd->parsed.probable_cause;
if (p_val) {
switch (p_val[0]) {
case NM_PCAUSE_T_MANUF:
handle_manufact_report(bts, p_val, e_type, severity,
p_text);
break;
default:
log_oml_fail_rep(bts, e_type, severity, p_val, p_text);
};
} else {
LOGPFOH(DNM, LOGL_ERROR, foh, "Failure Event Report without Probable Cause?!\n");
rc = -EINVAL;
}
osmo_signal_dispatch(SS_NM, S_NM_FAIL_REP, sd);
talloc_free(sd);
return rc;
}
static int abis_nm_rcvmsg_report(struct msgb *mb, struct gsm_bts *bts)
{
struct abis_om_fom_hdr *foh = msgb_l3(mb);
uint8_t mt = foh->msg_type;
switch (mt) {
case NM_MT_STATECHG_EVENT_REP:
return abis_nm_rx_statechg_rep(mb);
break;
case NM_MT_SW_ACTIVATED_REP:
DEBUGPFOH(DNM, foh, "Software Activated Report\n");
osmo_signal_dispatch(SS_NM, S_NM_SW_ACTIV_REP, mb);
break;
case NM_MT_FAILURE_EVENT_REP:
rx_fail_evt_rep(mb, bts);
break;
case NM_MT_TEST_REP:
DEBUGPFOH(DNM, foh, "Test Report\n");
osmo_signal_dispatch(SS_NM, S_NM_TEST_REP, mb);
break;
default:
LOGPFOH(DNM, LOGL_NOTICE, foh, "unknown NM report MT 0x%02x\n", mt);
break;
};
return 0;
}
/* Activate the specified software into the BTS */
static int ipacc_sw_activate(struct gsm_bts *bts, uint8_t obj_class, uint8_t i0, uint8_t i1,
uint8_t i2, const struct abis_nm_sw_desc *sw_desc)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
uint16_t len = abis_nm_sw_desc_len(sw_desc, true);
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, len, NM_MT_ACTIVATE_SW, obj_class, i0, i1, i2);
abis_nm_put_sw_desc(msg, sw_desc, true);
return abis_nm_sendmsg(bts, msg);
}
int abis_nm_select_newest_sw(const struct abis_nm_sw_desc *sw_descr,
const size_t size)
{
int res = 0;
int i;
for (i = 1; i < size; ++i) {
if (memcmp(sw_descr[res].file_version, sw_descr[i].file_version,
OSMO_MIN(sw_descr[i].file_version_len,
sw_descr[res].file_version_len)) < 0) {
res = i;
}
}
return res;
}
static inline bool handle_attr(const struct gsm_bts *bts, enum bts_attribute id, uint8_t *val, uint8_t len)
{
switch (id) {
case BTS_TYPE_VARIANT:
LOGPMO(&bts->mo, DNM, LOGL_NOTICE, "Reported variant: %s\n", val);
break;
case BTS_SUB_MODEL:
LOGPMO(&bts->mo, DNM, LOGL_NOTICE, "Reported submodel: %s\n", val);
break;
default:
return false;
}
return true;
}
/* Parse Attribute Response Info - return pointer to the actual content */
static inline const uint8_t *parse_attr_resp_info_unreported(const struct abis_om_fom_hdr *foh,
const uint8_t *ari, uint16_t ari_len,
uint16_t *out_len)
{
uint8_t num_unreported = ari[0], i;
DEBUGPFOH(DNM, foh, "Get Attributes Response Info: %u bytes total "
"with %u unreported attributes\n", ari_len, num_unreported);
/* +1 because we have to account for number of unreported attributes, prefixing the list: */
for (i = 0; i < num_unreported; i++)
LOGPFOH(DNM, LOGL_ERROR, foh, "Attribute %s is unreported\n",
get_value_string(abis_nm_att_names, ari[i + 1]));
/* the data starts right after the list of unreported attributes + space for length of that list */
if (out_len)
*out_len = ari_len - (num_unreported + 1);
return ari + num_unreported + 1; /* we have to account for 1st byte with number of unreported attributes */
}
/* Parse Attribute Response Info content for 3GPP TS 52.021 §9.4.30 Manufacturer Id */
static void parse_osmo_bts_features(struct gsm_bts *bts,
const uint8_t *data, uint16_t data_len)
{
/* log potential BTS feature vector overflow */
if (data_len > sizeof(bts->_features_data)) {
LOGPMO(&bts->mo, DNM, LOGL_NOTICE,
"Get Attributes Response: feature vector is truncated "
"(from %u to %zu bytes)\n", data_len, sizeof(bts->_features_data));
data_len = sizeof(bts->_features_data);
}
/* check that max. expected BTS attribute is above given feature vector length */
if (data_len > OSMO_BYTES_FOR_BITS(_NUM_BTS_FEAT)) {
LOGPMO(&bts->mo, DNM, LOGL_NOTICE,
"Get Attributes Response: reported unexpectedly long (%u bytes) "
"feature vector - most likely it was compiled against newer BSC headers. "
"Consider upgrading your BSC to later version.\n", data_len);
}
memcpy(bts->_features_data, data, data_len);
bts->features_known = true;
/* Log each BTS feature in the reported vector */
for (unsigned int i = 0; i < data_len * 8; i++) {
if (!osmo_bts_has_feature(&bts->features, i))
continue;
if (i >= _NUM_BTS_FEAT) {
LOGPMO(&bts->mo, DNM, LOGL_NOTICE,
"Get Attributes Response: unknown feature 0x%02x is supported\n", i);
} else {
LOGPMO(&bts->mo, DNM, LOGL_NOTICE,
"Get Attributes Response: feature '%s' is supported\n",
osmo_bts_features_name(i));
}
}
}
/* Handle 3GPP TS 52.021 §8.11.3 Get Attribute Response (with nanoBTS specific attribute formatting) */
static int parse_attr_resp_info_attr(struct gsm_bts *bts, const struct gsm_bts_trx *trx, struct abis_om_fom_hdr *foh, struct tlv_parsed *tp)
{
const uint8_t* data;
uint16_t len;
int i;
int rc;
uint16_t port;
struct in_addr ia = {0};
char unit_id[40];
switch (bts->type) {
case GSM_BTS_TYPE_OSMOBTS:
if (TLVP_PRES_LEN(tp, NM_ATT_MANUF_ID, 2)) {
parse_osmo_bts_features(bts, TLVP_VAL(tp, NM_ATT_MANUF_ID),
TLVP_LEN(tp, NM_ATT_MANUF_ID));
}
/* fall-through */
case GSM_BTS_TYPE_NANOBTS:
if (TLVP_PRESENT(tp, NM_ATT_IPACC_SUPP_FEATURES)) {
ipacc_parse_supp_features(bts, foh, TLVP_VAL(tp, NM_ATT_IPACC_SUPP_FEATURES),
TLVP_LEN(tp, NM_ATT_IPACC_SUPP_FEATURES));
}
break;
default:
break;
}
/* Parse Attribute Response Info content for 3GPP TS 52.021 §9.4.28 Manufacturer Dependent State */
/* this attribute does not make sense on BTS level, only on TRX level */
if (trx && TLVP_PRES_LEN(tp, NM_ATT_MANUF_STATE, 1)) {
data = TLVP_VAL(tp, NM_ATT_MANUF_STATE);
LOGPFOH(DNM, LOGL_NOTICE, foh, "Get Attributes Response: nominal power is %u\n", *data);
}
/* Parse Attribute Response Info content for 3GPP TS 52.021 §9.4.61 SW Configuration */
if (TLVP_PRESENT(tp, NM_ATT_SW_CONFIG)) {
struct abis_nm_sw_desc sw_descr[SW_DESCR_MAX];
data = TLVP_VAL(tp, NM_ATT_SW_CONFIG);
len = TLVP_LEN(tp, NM_ATT_SW_CONFIG);
/* after parsing manufacturer-specific attributes there's list of replies in form of sw-conf structure: */
rc = abis_nm_get_sw_conf(data, len, &sw_descr[0], ARRAY_SIZE(sw_descr));
if (rc > 0) {
for (i = 0; i < rc; i++) {
if (!handle_attr(bts, str2btsattr((const char *)sw_descr[i].file_id),
sw_descr[i].file_version, sw_descr[i].file_version_len)) {
LOGPFOH(DNM, LOGL_NOTICE, foh, "ARI reported sw[%d/%d]: %s is %s\n",
i, rc, sw_descr[i].file_id, sw_descr[i].file_version);
}
}
} else {
LOGPFOH(DNM, LOGL_ERROR, foh, "Failed to parse SW-Config part of "
"Get Attribute Response Info: %s\n", strerror(-rc));
}
}
if (abis_nm_tlv_attr_primary_oml(tp, &ia, &port) == 0) {
LOGPFOH(DNM, LOGL_NOTICE, foh,
"Get Attributes Response: Primary OML IP is %s:%u\n",
inet_ntoa(ia), port);
}
if (abis_nm_tlv_attr_unit_id(tp, unit_id, sizeof(unit_id)) == 0) {
LOGPFOH(DNM, LOGL_NOTICE, foh, "Get Attributes Response: Unit ID is %s\n", unit_id);
}
/* nanoBTS provides Get Attribute Response Info at random position and only the unreported part of it. */
if (TLVP_PRES_LEN(tp, NM_ATT_GET_ARI, 1)) {
data = TLVP_VAL(tp, NM_ATT_GET_ARI);
len = TLVP_LEN(tp, NM_ATT_GET_ARI);
parse_attr_resp_info_unreported(foh, data, len, NULL);
}
return 0;
}
/* Handle 3GPP TS 52.021 §9.4.64 Get Attribute Response Info */
static int parse_attr_resp_info(struct gsm_bts *bts, const struct gsm_bts_trx *trx, struct abis_om_fom_hdr *foh, struct tlv_parsed *tp)
{
const uint8_t *data;
uint16_t data_len;
if (!TLVP_PRES_LEN(tp, NM_ATT_GET_ARI, 1)) {
LOGPFOH(DNM, LOGL_ERROR, foh, "Get Attr Response without Response Info?!\n");
return -EINVAL;
}
data = parse_attr_resp_info_unreported(foh, TLVP_VAL(tp, NM_ATT_GET_ARI),
TLVP_LEN(tp, NM_ATT_GET_ARI),
&data_len);
/* After parsing unreported attribute id list inside Response info,
there's a list of reported attribute ids and their values, in a TLV
list form. */
if (abis_nm_tlv_parse(tp, bts, data, data_len) < 0) {
LOGPFOH(DNM, LOGL_ERROR, foh, "%s(): tlv_parse failed\n", __func__);
return -EINVAL;
}
return parse_attr_resp_info_attr(bts, trx, foh, tp);
}
/* Handle 3GPP TS 52.021 §8.11.3 Get Attribute Response */
static int abis_nm_rx_get_attr_resp(struct msgb *mb)
{
struct abis_om_hdr *oh = msgb_l2(mb);
struct abis_om_fom_hdr *foh = msgb_l3(mb);
struct e1inp_sign_link *sign_link = mb->dst;
struct gsm_bts *bts = sign_link->trx->bts;
const struct gsm_bts_trx *trx;
struct tlv_parsed tp;
int rc;
trx = foh->obj_class == NM_OC_BASEB_TRANSC ?
gsm_bts_trx_num(bts, foh->obj_inst.trx_nr) : NULL;
DEBUGPFOH(DNM, foh, "Get Attributes Response\n");
if (abis_nm_tlv_parse(&tp, bts, foh->data, oh->length - sizeof(*foh)) < 0) {
LOGPFOH(DNM, LOGL_ERROR, foh, "%s(): tlv_parse failed\n", __func__);
return -EINVAL;
}
/* nanoBTS doesn't send Get Attribute Response Info, uses its own format */
if (bts->type != GSM_BTS_TYPE_NANOBTS)
rc = parse_attr_resp_info(bts, trx, foh, &tp);
else
rc = parse_attr_resp_info_attr(bts, trx, foh, &tp);
if (gsm_bts_check_cfg(bts) != 0) {
LOGP(DLINP, LOGL_ERROR, "(bts=%u) BTS config invalid, dropping BTS!\n", bts->nr);
ipaccess_drop_oml_deferred(bts);
return -EINVAL;
}
osmo_signal_dispatch(SS_NM, S_NM_GET_ATTR_REP, mb);
return rc;
}
/* 3GPP TS 52.021 §6.2.5 */
static int abis_nm_rx_sw_act_req(struct msgb *mb)
{
struct abis_om_hdr *oh = msgb_l2(mb);
struct abis_om_fom_hdr *foh = msgb_l3(mb);
struct e1inp_sign_link *sign_link = mb->dst;
struct tlv_parsed tp;
const uint8_t *sw_config;
int ret, sw_config_len, len;
struct abis_nm_sw_desc sw_descr[SW_DESCR_MAX];
DEBUGPFOH(DNM, foh, "Software Activate Request, ACKing and Activating\n");
if (oh->length < sizeof(*foh)) {
LOGPFOH(DNM, LOGL_ERROR, foh, "Software Activate Request with length too small: %u\n", oh->length);
return -EINVAL;
}
ret = abis_nm_sw_act_req_ack(sign_link->trx->bts, foh->obj_class,
foh->obj_inst.bts_nr,
foh->obj_inst.trx_nr,
foh->obj_inst.ts_nr, 0,
foh->data, oh->length - sizeof(*foh));
if (ret != 0) {
LOGPFOH(DNM, LOGL_ERROR, foh, "Sending SW ActReq ACK failed: %d\n", ret);
return ret;
}
if (abis_nm_tlv_parse(&tp, sign_link->trx->bts, foh->data, oh->length - sizeof(*foh)) < 0) {
LOGPFOH(DNM, LOGL_ERROR, foh, "%s(): tlv_parse failed\n", __func__);
return -EINVAL;
}
sw_config = TLVP_VAL(&tp, NM_ATT_SW_CONFIG);
sw_config_len = TLVP_LEN(&tp, NM_ATT_SW_CONFIG);
if (!TLVP_PRESENT(&tp, NM_ATT_SW_CONFIG)) {
LOGPFOH(DNM, LOGL_ERROR, foh, "SW config not found! Can't continue.\n");
return -EINVAL;
} else {
DEBUGPFOH(DNM, foh, "Found SW config: %s\n", osmo_hexdump(sw_config, sw_config_len));
}
/* Parse up to two sw descriptions from the data */
len = abis_nm_get_sw_conf(sw_config, sw_config_len, &sw_descr[0],
ARRAY_SIZE(sw_descr));
if (len <= 0) {
LOGPFOH(DNM, LOGL_ERROR, foh, "Failed to parse SW Config.\n");
return -EINVAL;
}
ret = abis_nm_select_newest_sw(&sw_descr[0], len);
DEBUGPFOH(DNM, foh, "Selected sw description %d of %d\n", ret, len);
return ipacc_sw_activate(sign_link->trx->bts, foh->obj_class,
foh->obj_inst.bts_nr,
foh->obj_inst.trx_nr,
foh->obj_inst.ts_nr,
&sw_descr[ret]);
}
/* Receive a CHANGE_ADM_STATE_ACK, parse the TLV and update local state */
static int abis_nm_rx_chg_adm_state_ack(struct msgb *mb)
{
struct abis_om_hdr *oh = msgb_l2(mb);
struct abis_om_fom_hdr *foh = msgb_l3(mb);
struct e1inp_sign_link *sign_link = mb->dst;
struct tlv_parsed tp;
uint8_t adm_state;
if (abis_nm_tlv_parse(&tp, sign_link->trx->bts, foh->data, oh->length - sizeof(*foh)) < 0) {
LOGPFOH(DNM, LOGL_ERROR, foh, "%s(): tlv_parse failed\n", __func__);
return -EINVAL;
}
if (!TLVP_PRESENT(&tp, NM_ATT_ADM_STATE))
return -EINVAL;
adm_state = *TLVP_VAL(&tp, NM_ATT_ADM_STATE);
DEBUGPFOH(DNM, foh, "Rx Change Administrative State ACK %s\n",
get_value_string(abis_nm_adm_state_names, adm_state));
return update_admstate(sign_link->trx->bts, foh->obj_class, &foh->obj_inst, adm_state);
}
static int abis_nm_rx_lmt_event(struct msgb *mb)
{
struct abis_om_hdr *oh = msgb_l2(mb);
struct abis_om_fom_hdr *foh = msgb_l3(mb);
struct e1inp_sign_link *sign_link = mb->dst;
struct tlv_parsed tp;
if (abis_nm_tlv_parse(&tp, sign_link->trx->bts, foh->data, oh->length - sizeof(*foh)) < 0) {
LOGPFOH(DNM, LOGL_ERROR, foh, "%s(): tlv_parse failed\n", __func__);
return -EINVAL;
}
DEBUGPFOH(DNM, foh, "LMT Event ");
if (TLVP_PRESENT(&tp, NM_ATT_BS11_LMT_LOGON_SESSION) &&
TLVP_LEN(&tp, NM_ATT_BS11_LMT_LOGON_SESSION) >= 1) {
uint8_t onoff = *TLVP_VAL(&tp, NM_ATT_BS11_LMT_LOGON_SESSION);
DEBUGPC(DNM, "LOG%s ", onoff ? "ON" : "OFF");
}
if (TLVP_PRESENT(&tp, NM_ATT_BS11_LMT_USER_ACC_LEV) &&
TLVP_LEN(&tp, NM_ATT_BS11_LMT_USER_ACC_LEV) >= 1) {
uint8_t level = *TLVP_VAL(&tp, NM_ATT_BS11_LMT_USER_ACC_LEV);
DEBUGPC(DNM, "Level=%u ", level);
}
if (TLVP_PRESENT(&tp, NM_ATT_BS11_LMT_USER_NAME) &&
TLVP_LEN(&tp, NM_ATT_BS11_LMT_USER_NAME) >= 1) {
char *name = (char *) TLVP_VAL(&tp, NM_ATT_BS11_LMT_USER_NAME);
DEBUGPC(DNM, "Username=%s ", name);
}
DEBUGPC(DNM, "\n");
/* FIXME: parse LMT LOGON TIME */
return 0;
}
/* From a received OML message, determine the matching struct gsm_bts_trx_ts instance.
* Note that the BTS-TRX-TS numbers received in the FOM header do not correspond
* to the local bts->nr. Rather, the BTS is identified by the e1inp_sign_link*
* found in msg->dst which points to OML connection and thus to its 1st TRX, and the
* TRX and TS is then obtained by the FOM header's TS number. */
struct gsm_bts_trx_ts *abis_nm_get_ts(const struct msgb *oml_msg)
{
struct abis_om_fom_hdr *foh = msgb_l3(oml_msg);
struct e1inp_sign_link *sign_link = oml_msg->dst;
struct gsm_bts_trx *trx = gsm_bts_trx_num(sign_link->trx->bts, foh->obj_inst.trx_nr);
uint8_t ts_nr = foh->obj_inst.ts_nr;
if (!trx) {
LOGPFOH(DNM, LOGL_ERROR, foh, "Channel OPSTART ACK for sign_link without trx\n");
return NULL;
}
if (ts_nr >= ARRAY_SIZE(trx->ts)) {
LOGPFOH(DNM, LOGL_ERROR, foh, "Channel OPSTART ACK for non-existent TS\n");
return NULL;
}
return &trx->ts[ts_nr];
}
static int abis_nm_rx_opstart_ack(struct msgb *mb)
{
struct abis_om_fom_hdr *foh = msgb_l3(mb);
DEBUGPFOH(DNM, foh, "Opstart ACK\n");
osmo_signal_dispatch(SS_NM, S_NM_OPSTART_ACK, mb);
return 0;
}
static int abis_nm_rx_opstart_nack(struct msgb *mb)
{
struct abis_om_fom_hdr *foh = msgb_l3(mb);
LOGPFOH(DNM, LOGL_ERROR, foh, "Opstart NACK\n");
osmo_signal_dispatch(SS_NM, S_NM_OPSTART_NACK, mb);
return 0;
}
static int abis_nm_rx_set_radio_attr_ack(struct msgb *mb)
{
struct abis_om_fom_hdr *foh = msgb_l3(mb);
DEBUGPFOH(DNM, foh, "Set Radio Carrier Attributes ACK\n");
osmo_signal_dispatch(SS_NM, S_NM_SET_RADIO_ATTR_ACK, mb);
return 0;
}
static int abis_nm_rx_set_channel_attr_ack(struct msgb *mb)
{
struct abis_om_fom_hdr *foh = msgb_l3(mb);
DEBUGPFOH(DNM, foh, "Set Channel Attributes ACK\n");
osmo_signal_dispatch(SS_NM, S_NM_SET_CHAN_ATTR_ACK, mb);
return 0;
}
static int abis_nm_rx_set_bts_attr_ack(struct msgb *mb)
{
struct abis_om_fom_hdr *foh = msgb_l3(mb);
DEBUGPFOH(DNM, foh, "Set BTS Attributes ACK\n");
osmo_signal_dispatch(SS_NM, S_NM_SET_BTS_ATTR_ACK, mb);
return 0;
}
bool all_trx_rsl_connected_unlocked(const struct gsm_bts *bts)
{
const struct gsm_bts_trx *trx;
if (bts->mo.nm_state.administrative == NM_STATE_LOCKED)
return false;
if (bts->gprs.mode != BTS_GPRS_NONE) {
if (bts->gprs.cell.mo.nm_state.administrative == NM_STATE_LOCKED)
return false;
if (bts->site_mgr->gprs.nse.mo.nm_state.administrative == NM_STATE_LOCKED)
return false;
if (bts->site_mgr->gprs.nsvc[0].mo.nm_state.administrative == NM_STATE_LOCKED &&
bts->site_mgr->gprs.nsvc[1].mo.nm_state.administrative == NM_STATE_LOCKED)
return false;
}
llist_for_each_entry(trx, &bts->trx_list, list) {
if (!trx->rsl_link_primary)
return false;
if (!trx_is_usable(trx))
return false;
}
return true;
}
void abis_nm_queue_send_next(struct gsm_bts *bts)
{
int wait = 0;
struct msgb *msg;
/* the queue is empty */
while (!llist_empty(&bts->abis_queue)) {
msg = msgb_dequeue(&bts->abis_queue);
wait = OBSC_NM_W_ACK_CB(msg);
_abis_nm_sendmsg(msg);
if (wait)
break;
}
bts->abis_nm_pend = wait;
}
/* Receive a OML NM Message from BTS */
static int abis_nm_rcvmsg_fom(struct msgb *mb)
{
struct abis_om_hdr *oh = msgb_l2(mb);
struct abis_om_fom_hdr *foh = msgb_l3(mb);
struct e1inp_sign_link *sign_link = mb->dst;
uint8_t mt = foh->msg_type;
/* sign_link might get deleted via osmo_signal_dispatch -> save bts */
struct gsm_bts *bts = sign_link->trx->bts;
int ret = 0;
/* check for unsolicited message */
if (is_report(mt))
return abis_nm_rcvmsg_report(mb, bts);
if (is_in_arr(mt, abis_nm_sw_load_msgs, ARRAY_SIZE(abis_nm_sw_load_msgs)))
return abis_nm_rcvmsg_sw(mb);
if (is_in_arr(mt, abis_nm_nacks, ARRAY_SIZE(abis_nm_nacks))) {
struct nm_nack_signal_data nack_data;
struct tlv_parsed tp;
if (abis_nm_tlv_parse(&tp, bts, foh->data, oh->length - sizeof(*foh)) < 0) {
LOGPFOH(DNM, LOGL_ERROR, foh, "%s(): tlv_parse failed\n", __func__);
return -EINVAL;
}
LOGPFOH(DNM, LOGL_NOTICE, foh, "%s NACK ", abis_nm_nack_name(mt));
if (TLVP_PRESENT(&tp, NM_ATT_NACK_CAUSES))
LOGPC(DNM, LOGL_NOTICE, "CAUSE=%s\n",
abis_nm_nack_cause_name(*TLVP_VAL(&tp, NM_ATT_NACK_CAUSES)));
else
LOGPC(DNM, LOGL_NOTICE, "\n");
nack_data.msg = mb;
nack_data.mt = mt;
nack_data.bts = bts;
osmo_signal_dispatch(SS_NM, S_NM_NACK, &nack_data);
abis_nm_queue_send_next(bts);
return 0;
}
#if 0
/* check if last message is to be acked */
if (is_ack_nack(nmh->last_msgtype)) {
if (mt == MT_ACK(nmh->last_msgtype)) {
DEBUGP(DNM, "received ACK (0x%x)\n", foh->msg_type);
/* we got our ACK, continue sending the next msg */
} else if (mt == MT_NACK(nmh->last_msgtype)) {
/* we got a NACK, signal this to the caller */
DEBUGP(DNM, "received NACK (0x%x)\n", foh->msg_type);
/* FIXME: somehow signal this to the caller */
} else {
/* really strange things happen */
return -EINVAL;
}
}
#endif
switch (mt) {
case NM_MT_CHG_ADM_STATE_ACK:
ret = abis_nm_rx_chg_adm_state_ack(mb);
break;
case NM_MT_SW_ACT_REQ:
ret = abis_nm_rx_sw_act_req(mb);
break;
case NM_MT_BS11_LMT_SESSION:
ret = abis_nm_rx_lmt_event(mb);
break;
case NM_MT_OPSTART_ACK:
ret = abis_nm_rx_opstart_ack(mb);
break;
case NM_MT_OPSTART_NACK:
ret = abis_nm_rx_opstart_nack(mb);
break;
case NM_MT_SET_CHAN_ATTR_ACK:
abis_nm_rx_set_channel_attr_ack(mb);
break;
case NM_MT_SET_RADIO_ATTR_ACK:
abis_nm_rx_set_radio_attr_ack(mb);
break;
case NM_MT_CONN_MDROP_LINK_ACK:
DEBUGPFOH(DNM, foh, "CONN MDROP LINK ACK\n");
break;
case NM_MT_IPACC_RESTART_ACK:
DEBUGPFOH(DNM, foh, "IPA Restart ACK\n");
osmo_signal_dispatch(SS_NM, S_NM_IPACC_RESTART_ACK, NULL);
break;
case NM_MT_IPACC_RESTART_NACK:
LOGPFOH(DNM, LOGL_NOTICE, foh, "IPA Restart NACK\n");
osmo_signal_dispatch(SS_NM, S_NM_IPACC_RESTART_NACK, NULL);
break;
case NM_MT_SET_BTS_ATTR_ACK:
abis_nm_rx_set_bts_attr_ack(mb);
break;
case NM_MT_GET_ATTR_RESP:
ret = abis_nm_rx_get_attr_resp(mb);
break;
case NM_MT_ESTABLISH_TEI_ACK:
case NM_MT_CONN_TERR_SIGN_ACK:
case NM_MT_DISC_TERR_SIGN_ACK:
case NM_MT_CONN_TERR_TRAF_ACK:
case NM_MT_DISC_MDROP_LINK_ACK:
case NM_MT_STOP_EVENT_REP_ACK:
case NM_MT_REST_EVENT_REP_ACK:
case NM_MT_BS11_BEGIN_DB_TX_ACK:
case NM_MT_BS11_END_DB_TX_ACK:
case NM_MT_BS11_SET_ATTR_ACK:
DEBUGPFOH(DNM, foh, "%s\n", get_value_string(abis_nm_msgtype_names, mt));
break;
default:
LOGPFOH(DNM, LOGL_ERROR, foh, "Unhandled message %s\n",
get_value_string(abis_nm_msgtype_names, mt));
}
abis_nm_queue_send_next(bts);
return ret;
}
static int abis_nm_rx_ipacc(struct msgb *mb);
static int abis_nm_rcvmsg_manuf(struct msgb *mb)
{
int rc;
struct e1inp_sign_link *sign_link = mb->dst;
struct gsm_bts *bts = sign_link->trx->bts;
switch (bts->type) {
case GSM_BTS_TYPE_NANOBTS:
case GSM_BTS_TYPE_OSMOBTS:
rc = abis_nm_rx_ipacc(mb);
abis_nm_queue_send_next(bts);
break;
default:
LOGPMO(&bts->mo, DNM, LOGL_ERROR, "don't know how to parse OML for this "
"BTS type (%s)\n", btstype2str(bts->type));
rc = 0;
break;
}
return rc;
}
/* High-Level API */
/* Entry-point where L2 OML from BTS enters the NM code */
int abis_nm_rcvmsg(struct msgb *msg)
{
struct abis_om_hdr *oh = msgb_l2(msg);
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) {
rc = -EINVAL;
goto err;
}
}
if (oh->sequence != 0) {
LOGP(DNM, LOGL_ERROR, "ABIS OML sequence 0x%x != 0x00\n",
oh->sequence);
rc = -EINVAL;
goto err;
}
#if 0
unsigned int l2_len = msg->tail - (uint8_t *)msgb_l2(msg);
unsigned int hlen = sizeof(*oh) + sizeof(struct abis_om_fom_hdr);
if (oh->length + hlen > l2_len) {
LOGP(DNM, LOGL_ERROR, "ABIS OML truncated message (%u > %u)\n",
oh->length + sizeof(*oh), l2_len);
return -EINVAL;
}
if (oh->length + hlen < l2_len)
LOGP(DNM, LOGL_ERROR, "ABIS OML message with extra trailer?!? (oh->len=%d, sizeof_oh=%d l2_len=%d\n", oh->length, sizeof(*oh), l2_len);
#endif
msg->l3h = (unsigned char *)oh + sizeof(*oh);
switch (oh->mdisc) {
case ABIS_OM_MDISC_FOM:
rc = abis_nm_rcvmsg_fom(msg);
break;
case ABIS_OM_MDISC_MANUF:
rc = abis_nm_rcvmsg_manuf(msg);
break;
case ABIS_OM_MDISC_MMI:
case ABIS_OM_MDISC_TRAU:
LOGP(DNM, LOGL_ERROR, "unimplemented ABIS OML message discriminator 0x%x\n",
oh->mdisc);
break;
default:
LOGP(DNM, LOGL_ERROR, "unknown ABIS OML message discriminator 0x%x\n",
oh->mdisc);
rc = -EINVAL;
break;
}
err:
msgb_free(msg);
return rc;
}
#if 0
/* initialized all resources */
struct abis_nm_h *abis_nm_init(struct abis_nm_cfg *cfg)
{
struct abis_nm_h *nmh;
nmh = malloc(sizeof(*nmh));
if (!nmh)
return NULL;
nmh->cfg = cfg;
return nmh;
}
/* free all resources */
void abis_nm_fini(struct abis_nm_h *nmh)
{
free(nmh);
}
#endif
/* Here we are trying to define a high-level API that can be used by
* the actual BSC implementation. However, the architecture is currently
* still under design. Ideally the calls to this API would be synchronous,
* while the underlying stack behind the APi runs in a traditional select
* based state machine.
*/
/* 6.2 Software Load: */
enum sw_state {
SW_STATE_NONE,
SW_STATE_WAIT_INITACK,
SW_STATE_WAIT_SEGACK,
SW_STATE_WAIT_ENDACK,
SW_STATE_WAIT_ACTACK,
SW_STATE_ERROR,
};
struct abis_nm_sw {
struct gsm_bts *bts;
int trx_nr;
gsm_cbfn *cbfn;
void *cb_data;
int forced;
/* this will become part of the SW LOAD INITIATE */
uint8_t obj_class;
uint8_t obj_instance[3];
uint8_t file_id[255];
uint8_t file_id_len;
uint8_t file_version[255];
uint8_t file_version_len;
uint8_t window_size;
uint8_t seg_in_window;
int fd;
FILE *stream;
enum sw_state state;
int last_seg;
};
static struct abis_nm_sw g_sw;
static void sw_add_file_id_and_ver(struct abis_nm_sw *sw, struct msgb *msg)
{
if (sw->bts->type == GSM_BTS_TYPE_NANOBTS) {
msgb_v_put(msg, NM_ATT_SW_DESCR);
msgb_tl16v_put(msg, NM_ATT_FILE_ID, sw->file_id_len, sw->file_id);
msgb_tl16v_put(msg, NM_ATT_FILE_VERSION, sw->file_version_len,
sw->file_version);
} else if (sw->bts->type == GSM_BTS_TYPE_BS11) {
msgb_tlv_put(msg, NM_ATT_FILE_ID, sw->file_id_len, sw->file_id);
msgb_tlv_put(msg, NM_ATT_FILE_VERSION, sw->file_version_len,
sw->file_version);
} else {
LOGPMO(&sw->bts->mo, DNM, LOGL_ERROR, "Please implement this for the BTS.\n");
}
}
/* 6.2.1 / 8.3.1: Load Data Initiate */
static int sw_load_init(struct abis_nm_sw *sw)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
uint8_t len = 3*2 + sw->file_id_len + sw->file_version_len;
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, len, NM_MT_LOAD_INIT, sw->obj_class,
sw->obj_instance[0], sw->obj_instance[1],
sw->obj_instance[2]);
sw_add_file_id_and_ver(sw, msg);
msgb_tv_put(msg, NM_ATT_WINDOW_SIZE, sw->window_size);
return abis_nm_sendmsg(sw->bts, msg);
}
static int is_last_line(FILE *stream)
{
char next_seg_buf[256];
long pos;
/* check if we're sending the last line */
pos = ftell(stream);
/* Did ftell fail? Then we are at the end for sure */
if (pos < 0)
return 1;
if (!fgets(next_seg_buf, sizeof(next_seg_buf)-2, stream)) {
int rc = fseek(stream, pos, SEEK_SET);
if (rc < 0)
return rc;
return 1;
}
fseek(stream, pos, SEEK_SET);
return 0;
}
/* 6.2.2 / 8.3.2 Load Data Segment */
static int sw_load_segment(struct abis_nm_sw *sw)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
char seg_buf[256];
char *line_buf = seg_buf+2;
unsigned char *tlv;
int len;
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
switch (sw->bts->type) {
case GSM_BTS_TYPE_BS11:
if (fgets(line_buf, sizeof(seg_buf)-2, sw->stream) == NULL) {
perror("fgets reading segment");
return -EINVAL;
}
seg_buf[0] = 0x00;
/* check if we're sending the last line */
sw->last_seg = is_last_line(sw->stream);
if (sw->last_seg)
seg_buf[1] = 0;
else
seg_buf[1] = 1 + sw->seg_in_window++;
len = strlen(line_buf) + 2;
tlv = msgb_put(msg, TLV_GROSS_LEN(len));
tlv_put(tlv, NM_ATT_BS11_FILE_DATA, len, (uint8_t *)seg_buf);
/* BS11 wants CR + LF in excess of the TLV length !?! */
tlv[1] -= 2;
/* we only now know the exact length for the OM hdr */
len = strlen(line_buf)+2;
break;
case GSM_BTS_TYPE_NANOBTS: {
osmo_static_assert(sizeof(seg_buf) >= IPACC_SEGMENT_SIZE, buffer_big_enough);
len = read(sw->fd, &seg_buf, IPACC_SEGMENT_SIZE);
if (len < 0) {
perror("read failed");
return -EINVAL;
}
if (len != IPACC_SEGMENT_SIZE)
sw->last_seg = 1;
++sw->seg_in_window;
msgb_tl16v_put(msg, NM_ATT_IPACC_FILE_DATA, len, (const uint8_t *) seg_buf);
len += 3;
break;
}
default:
LOGPMO(&sw->bts->mo, DNM, LOGL_ERROR, "sw_load_segment needs implementation for the BTS.\n");
/* FIXME: Other BTS types */
return -1;
}
fill_om_fom_hdr(oh, len, NM_MT_LOAD_SEG, sw->obj_class,
sw->obj_instance[0], sw->obj_instance[1],
sw->obj_instance[2]);
return abis_nm_sendmsg_direct(sw->bts, msg);
}
/* 6.2.4 / 8.3.4 Load Data End */
static int sw_load_end(struct abis_nm_sw *sw)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
uint8_t len = 2*2 + sw->file_id_len + sw->file_version_len;
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, len, NM_MT_LOAD_END, sw->obj_class,
sw->obj_instance[0], sw->obj_instance[1],
sw->obj_instance[2]);
sw_add_file_id_and_ver(sw, msg);
return abis_nm_sendmsg(sw->bts, msg);
}
/* Activate the specified software into the BTS */
static int sw_activate(struct abis_nm_sw *sw)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
uint8_t len = 2*2 + sw->file_id_len + sw->file_version_len;
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, len, NM_MT_ACTIVATE_SW, sw->obj_class,
sw->obj_instance[0], sw->obj_instance[1],
sw->obj_instance[2]);
/* FIXME: this is BS11 specific format */
msgb_tlv_put(msg, NM_ATT_FILE_ID, sw->file_id_len, sw->file_id);
msgb_tlv_put(msg, NM_ATT_FILE_VERSION, sw->file_version_len,
sw->file_version);
return abis_nm_sendmsg(sw->bts, msg);
}
static int parse_sdp_header(struct abis_nm_sw *sw)
{
const struct gsm_abis_mo *mo = &sw->bts->mo;
struct sdp_firmware firmware_header;
int rc;
struct stat stat;
rc = read(sw->fd, &firmware_header, sizeof(firmware_header));
if (rc != sizeof(firmware_header)) {
LOGPMO(mo, DNM, LOGL_ERROR, "Could not read SDP file header.\n");
return -1;
}
if (strncmp(firmware_header.magic, " SDP", 4) != 0) {
LOGPMO(mo, DNM, LOGL_ERROR, "The magic number is wrong.\n");
return -1;
}
if (firmware_header.more_magic[0] != 0x10 ||
firmware_header.more_magic[1] != 0x02) {
LOGPMO(mo, DNM, LOGL_ERROR, "The more magic number is wrong.\n");
return -1;
}
if (firmware_header.more_more_magic != 0x0000) {
LOGPMO(mo, DNM, LOGL_ERROR, "The more more magic number is wrong.\n");
return -1;
}
if (fstat(sw->fd, &stat) == -1) {
LOGPMO(mo, DNM, LOGL_ERROR, "Could not stat the file.\n");
return -1;
}
if (ntohl(firmware_header.file_length) != stat.st_size) {
LOGPMO(mo, DNM, LOGL_ERROR, "The filesizes do not match.\n");
return -1;
}
/* go back to the start as we checked the whole filesize.. */
lseek(sw->fd, 0l, SEEK_SET);
LOGPMO(mo, DNM, LOGL_NOTICE, "The ipaccess SDP header is not fully understood. "
"There might be checksums in the file that are not verified and incomplete "
"firmware might be flashed. There is absolutely no WARRANTY that "
"flashing will work.\n");
return 0;
}
static int sw_open_file(struct abis_nm_sw *sw, const char *fname)
{
char file_id[12+1];
char file_version[80+1];
int rc;
sw->fd = open(fname, O_RDONLY);
if (sw->fd < 0)
return sw->fd;
switch (sw->bts->type) {
case GSM_BTS_TYPE_BS11:
sw->stream = fdopen(sw->fd, "r");
if (!sw->stream) {
perror("fdopen");
return -1;
}
/* read first line and parse file ID and VERSION */
rc = fscanf(sw->stream, "@(#)%12s:%80s\r\n",
file_id, file_version);
if (rc != 2) {
perror("parsing header line of software file");
return -1;
}
strcpy((char *)sw->file_id, file_id);
sw->file_id_len = strlen(file_id);
strcpy((char *)sw->file_version, file_version);
sw->file_version_len = strlen(file_version);
/* rewind to start of file */
rewind(sw->stream);
break;
case GSM_BTS_TYPE_NANOBTS:
/* TODO: extract that from the filename or content */
rc = parse_sdp_header(sw);
if (rc < 0) {
fprintf(stderr, "Could not parse the ipaccess SDP header\n");
return -1;
}
strcpy((char *)sw->file_id, "id");
sw->file_id_len = 3;
strcpy((char *)sw->file_version, "version");
sw->file_version_len = 8;
break;
default:
/* We don't know how to treat them yet */
close(sw->fd);
return -EINVAL;
}
return 0;
}
static void sw_close_file(struct abis_nm_sw *sw)
{
switch (sw->bts->type) {
case GSM_BTS_TYPE_BS11:
fclose(sw->stream);
break;
default:
close(sw->fd);
break;
}
}
/* Fill the window */
static int sw_fill_window(struct abis_nm_sw *sw)
{
int rc;
while (sw->seg_in_window < sw->window_size) {
rc = sw_load_segment(sw);
if (rc < 0)
return rc;
if (sw->last_seg)
break;
}
return 0;
}
/* callback function from abis_nm_rcvmsg() handler */
static int abis_nm_rcvmsg_sw(struct msgb *mb)
{
struct abis_om_fom_hdr *foh = msgb_l3(mb);
struct e1inp_sign_link *sign_link = mb->dst;
int rc = -1;
struct abis_nm_sw *sw = &g_sw;
enum sw_state old_state = sw->state;
//DEBUGP(DNM, "state %u, NM MT 0x%02x\n", sw->state, foh->msg_type);
switch (sw->state) {
case SW_STATE_WAIT_INITACK:
switch (foh->msg_type) {
case NM_MT_LOAD_INIT_ACK:
/* fill window with segments */
if (sw->cbfn)
sw->cbfn(GSM_HOOK_NM_SWLOAD,
NM_MT_LOAD_INIT_ACK, mb,
sw->cb_data, NULL);
rc = sw_fill_window(sw);
sw->state = SW_STATE_WAIT_SEGACK;
abis_nm_queue_send_next(sign_link->trx->bts);
break;
case NM_MT_LOAD_INIT_NACK:
if (sw->forced) {
DEBUGPFOH(DNM, foh, "FORCED: Ignoring Software Load Init NACK\n");
if (sw->cbfn)
sw->cbfn(GSM_HOOK_NM_SWLOAD,
NM_MT_LOAD_INIT_ACK, mb,
sw->cb_data, NULL);
rc = sw_fill_window(sw);
sw->state = SW_STATE_WAIT_SEGACK;
} else {
LOGPFOH(DNM, LOGL_NOTICE, foh, "Software Load Init NACK\n");
/* FIXME: cause */
if (sw->cbfn)
sw->cbfn(GSM_HOOK_NM_SWLOAD,
NM_MT_LOAD_INIT_NACK, mb,
sw->cb_data, NULL);
sw->state = SW_STATE_ERROR;
}
abis_nm_queue_send_next(sign_link->trx->bts);
break;
}
break;
case SW_STATE_WAIT_SEGACK:
switch (foh->msg_type) {
case NM_MT_LOAD_SEG_ACK:
if (sw->cbfn)
sw->cbfn(GSM_HOOK_NM_SWLOAD,
NM_MT_LOAD_SEG_ACK, mb,
sw->cb_data, NULL);
sw->seg_in_window = 0;
if (!sw->last_seg) {
/* fill window with more segments */
rc = sw_fill_window(sw);
sw->state = SW_STATE_WAIT_SEGACK;
} else {
/* end the transfer */
sw->state = SW_STATE_WAIT_ENDACK;
rc = sw_load_end(sw);
}
abis_nm_queue_send_next(sign_link->trx->bts);
break;
case NM_MT_LOAD_ABORT:
if (sw->cbfn)
sw->cbfn(GSM_HOOK_NM_SWLOAD,
NM_MT_LOAD_ABORT, mb,
sw->cb_data, NULL);
break;
}
break;
case SW_STATE_WAIT_ENDACK:
switch (foh->msg_type) {
case NM_MT_LOAD_END_ACK:
sw_close_file(sw);
DEBUGPFOH(DNM, foh, "Software Load End\n");
sw->state = SW_STATE_NONE;
if (sw->cbfn)
sw->cbfn(GSM_HOOK_NM_SWLOAD,
NM_MT_LOAD_END_ACK, mb,
sw->cb_data, NULL);
rc = 0;
abis_nm_queue_send_next(sign_link->trx->bts);
break;
case NM_MT_LOAD_END_NACK:
if (sw->forced) {
DEBUGPFOH(DNM, foh, "FORCED: Ignoring Software Load End NACK\n");
sw->state = SW_STATE_NONE;
if (sw->cbfn)
sw->cbfn(GSM_HOOK_NM_SWLOAD,
NM_MT_LOAD_END_ACK, mb,
sw->cb_data, NULL);
} else {
LOGPFOH(DNM, LOGL_NOTICE, foh, "Software Load End NACK\n");
/* FIXME: cause */
sw->state = SW_STATE_ERROR;
if (sw->cbfn)
sw->cbfn(GSM_HOOK_NM_SWLOAD,
NM_MT_LOAD_END_NACK, mb,
sw->cb_data, NULL);
}
abis_nm_queue_send_next(sign_link->trx->bts);
break;
}
break;
case SW_STATE_WAIT_ACTACK:
switch (foh->msg_type) {
case NM_MT_ACTIVATE_SW_ACK:
/* we're done */
LOGPFOH(DNM, LOGL_INFO, foh, "Activate Software DONE!\n");
sw->state = SW_STATE_NONE;
rc = 0;
if (sw->cbfn)
sw->cbfn(GSM_HOOK_NM_SWLOAD,
NM_MT_ACTIVATE_SW_ACK, mb,
sw->cb_data, NULL);
abis_nm_queue_send_next(sign_link->trx->bts);
break;
case NM_MT_ACTIVATE_SW_NACK:
LOGPFOH(DNM, LOGL_ERROR, foh, "Activate Software NACK\n");
/* FIXME: cause */
sw->state = SW_STATE_ERROR;
if (sw->cbfn)
sw->cbfn(GSM_HOOK_NM_SWLOAD,
NM_MT_ACTIVATE_SW_NACK, mb,
sw->cb_data, NULL);
abis_nm_queue_send_next(sign_link->trx->bts);
break;
}
break;
case SW_STATE_NONE:
switch (foh->msg_type) {
case NM_MT_ACTIVATE_SW_ACK:
rc = 0;
break;
}
break;
case SW_STATE_ERROR:
break;
}
if (rc)
LOGPFOH(DNM, LOGL_ERROR, foh, "unexpected NM MT 0x%02x in state %u -> %u\n",
foh->msg_type, old_state, sw->state);
return rc;
}
/* Load the specified software into the BTS */
int abis_nm_software_load(struct gsm_bts *bts, int trx_nr, const char *fname,
uint8_t win_size, int forced,
gsm_cbfn *cbfn, void *cb_data)
{
struct abis_nm_sw *sw = &g_sw;
int rc;
LOGPMO(&bts->mo, DNM, LOGL_DEBUG, "Software Load (file \"%s\")\n", fname);
if (sw->state != SW_STATE_NONE)
return -EBUSY;
sw->bts = bts;
sw->trx_nr = trx_nr;
switch (bts->type) {
case GSM_BTS_TYPE_BS11:
sw->obj_class = NM_OC_SITE_MANAGER;
sw->obj_instance[0] = 0xff;
sw->obj_instance[1] = 0xff;
sw->obj_instance[2] = 0xff;
break;
case GSM_BTS_TYPE_NANOBTS:
sw->obj_class = NM_OC_BASEB_TRANSC;
sw->obj_instance[0] = sw->bts->bts_nr;
sw->obj_instance[1] = sw->trx_nr;
sw->obj_instance[2] = 0xff;
break;
case GSM_BTS_TYPE_UNKNOWN:
default:
LOGPMO(&bts->mo, DNM, LOGL_ERROR, "Software Load not properly implemented.\n");
return -1;
break;
}
sw->window_size = win_size;
sw->state = SW_STATE_WAIT_INITACK;
sw->cbfn = cbfn;
sw->cb_data = cb_data;
sw->forced = forced;
rc = sw_open_file(sw, fname);
if (rc < 0) {
sw->state = SW_STATE_NONE;
return rc;
}
return sw_load_init(sw);
}
int abis_nm_software_load_status(struct gsm_bts *bts)
{
struct abis_nm_sw *sw = &g_sw;
struct stat st;
int rc, percent;
rc = fstat(sw->fd, &st);
if (rc < 0) {
perror("ERROR during stat");
return rc;
}
if (sw->stream)
percent = (ftell(sw->stream) * 100) / st.st_size;
else
percent = (lseek(sw->fd, 0, SEEK_CUR) * 100) / st.st_size;
return percent;
}
/* Activate the specified software into the BTS */
int abis_nm_software_activate(struct gsm_bts *bts, const char *fname,
gsm_cbfn *cbfn, void *cb_data)
{
struct abis_nm_sw *sw = &g_sw;
int rc;
LOGPMO(&bts->mo, DNM, LOGL_DEBUG, "Activating Software (file \"%s\")\n", fname);
if (sw->state != SW_STATE_NONE)
return -EBUSY;
sw->bts = bts;
sw->obj_class = NM_OC_SITE_MANAGER;
sw->obj_instance[0] = 0xff;
sw->obj_instance[1] = 0xff;
sw->obj_instance[2] = 0xff;
sw->state = SW_STATE_WAIT_ACTACK;
sw->cbfn = cbfn;
sw->cb_data = cb_data;
/* Open the file in order to fill some sw struct members */
rc = sw_open_file(sw, fname);
if (rc < 0) {
sw->state = SW_STATE_NONE;
return rc;
}
sw_close_file(sw);
return sw_activate(sw);
}
static void fill_nm_channel(struct abis_nm_channel *ch, uint8_t bts_port,
uint8_t ts_nr, uint8_t subslot_nr)
{
ch->attrib = NM_ATT_ABIS_CHANNEL;
ch->bts_port = bts_port;
ch->timeslot = ts_nr;
ch->subslot = subslot_nr;
}
int abis_nm_establish_tei(struct gsm_bts *bts, uint8_t trx_nr,
uint8_t e1_port, uint8_t e1_timeslot, uint8_t e1_subslot,
uint8_t tei)
{
struct abis_om_hdr *oh;
struct abis_nm_channel *ch;
uint8_t len = sizeof(*ch) + 2;
struct msgb *msg = nm_msgb_alloc();
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, len, NM_MT_ESTABLISH_TEI, NM_OC_RADIO_CARRIER,
bts->bts_nr, trx_nr, 0xff);
msgb_tv_put(msg, NM_ATT_TEI, tei);
ch = (struct abis_nm_channel *) msgb_put(msg, sizeof(*ch));
fill_nm_channel(ch, e1_port, e1_timeslot, e1_subslot);
return abis_nm_sendmsg(bts, msg);
}
/* connect signalling of one (BTS,TRX) to a particular timeslot on the E1 */
int abis_nm_conn_terr_sign(struct gsm_bts_trx *trx,
uint8_t e1_port, uint8_t e1_timeslot, uint8_t e1_subslot)
{
struct gsm_bts *bts = trx->bts;
struct abis_om_hdr *oh;
struct abis_nm_channel *ch;
struct msgb *msg = nm_msgb_alloc();
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, sizeof(*ch), NM_MT_CONN_TERR_SIGN,
NM_OC_RADIO_CARRIER, bts->bts_nr, trx->nr, 0xff);
ch = (struct abis_nm_channel *) msgb_put(msg, sizeof(*ch));
fill_nm_channel(ch, e1_port, e1_timeslot, e1_subslot);
return abis_nm_sendmsg(bts, msg);
}
#if 0
int abis_nm_disc_terr_sign(struct abis_nm_h *h, struct abis_om_obj_inst *inst,
struct abis_nm_abis_channel *chan)
{
}
#endif
int abis_nm_conn_terr_traf(struct gsm_bts_trx_ts *ts,
uint8_t e1_port, uint8_t e1_timeslot,
uint8_t e1_subslot)
{
struct gsm_bts *bts = ts->trx->bts;
struct abis_om_hdr *oh;
struct abis_nm_channel *ch;
struct msgb *msg = nm_msgb_alloc();
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, sizeof(*ch), NM_MT_CONN_TERR_TRAF,
NM_OC_CHANNEL, bts->bts_nr, ts->trx->nr, ts->nr);
ch = (struct abis_nm_channel *) msgb_put(msg, sizeof(*ch));
fill_nm_channel(ch, e1_port, e1_timeslot, e1_subslot);
LOGPMO(&ts->mo, DNM, LOGL_DEBUG, "CONNECT TERR TRAF E1=(%u,%u,%u)\n",
e1_port, e1_timeslot, e1_subslot);
return abis_nm_sendmsg(bts, msg);
}
#if 0
int abis_nm_disc_terr_traf(struct abis_nm_h *h, struct abis_om_obj_inst *inst,
struct abis_nm_abis_channel *chan,
uint8_t subchan)
{
}
#endif
/* 3GPP TS 52.021 § 8.11.1 */
int abis_nm_get_attr(struct gsm_bts *bts, uint8_t obj_class, uint8_t bts_nr, uint8_t trx_nr, uint8_t ts_nr,
const uint8_t *attr, uint8_t attr_len)
{
const struct abis_om_fom_hdr *foh;
struct abis_om_hdr *oh;
struct msgb *msg;
if (bts->type != GSM_BTS_TYPE_OSMOBTS && bts->type != GSM_BTS_TYPE_NANOBTS) {
LOGPMO(&bts->mo, DNM, LOGL_NOTICE, "Getting attributes from BTS "
"type %s is not supported.\n", btstype2str(bts->type));
return -EINVAL;
}
msg = nm_msgb_alloc();
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
foh = fill_om_fom_hdr(oh, TL16V_GROSS_LEN(attr_len), NM_MT_GET_ATTR,
obj_class, bts_nr, trx_nr, ts_nr);
msgb_tl16v_put(msg, NM_ATT_LIST_REQ_ATTR, attr_len, attr);
DEBUGPFOH(DNM, foh, "Tx Get Attributes (Request)\n");
return abis_nm_sendmsg(bts, msg);
}
/* Chapter 8.6.1 */
int abis_nm_set_bts_attr(struct gsm_bts *bts, uint8_t *attr, int attr_len)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
uint8_t *cur;
LOGPMO(&bts->mo, DNM, LOGL_DEBUG, "Set BTS Attr\n");
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, attr_len, NM_MT_SET_BTS_ATTR, NM_OC_BTS, bts->bts_nr, 0xff, 0xff);
cur = msgb_put(msg, attr_len);
memcpy(cur, attr, attr_len);
return abis_nm_sendmsg(bts, msg);
}
/* Chapter 8.6.2 */
int abis_nm_set_radio_attr(struct gsm_bts_trx *trx, uint8_t *attr, int attr_len)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
uint8_t *cur;
LOG_TRX(trx, DNM, LOGL_DEBUG, "Set TRX Attr\n");
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, attr_len, NM_MT_SET_RADIO_ATTR, NM_OC_RADIO_CARRIER,
trx->bts->bts_nr, trx->nr, 0xff);
cur = msgb_put(msg, attr_len);
memcpy(cur, attr, attr_len);
return abis_nm_sendmsg(trx->bts, msg);
}
int abis_nm_update_max_power_red(struct gsm_bts_trx *trx)
{
uint8_t attr[] = { NM_ATT_RF_MAXPOWR_R, trx->max_power_red / 2 };
return abis_nm_set_radio_attr(trx, attr, ARRAY_SIZE(attr));
}
static int verify_chan_comb(struct gsm_bts_trx_ts *ts, uint8_t chan_comb,
const char **reason)
{
int i;
*reason = "Reason unknown";
/* As it turns out, the BS-11 has some very peculiar restrictions
* on the channel combinations it allows */
switch (ts->trx->bts->type) {
case GSM_BTS_TYPE_BS11:
switch (chan_comb) {
case NM_CHANC_TCHHalf:
case NM_CHANC_TCHHalf2:
case NM_CHANC_OSMO_DYN:
/* not supported */
*reason = "TCH/H is not supported.";
return -EINVAL;
case NM_CHANC_SDCCH:
/* only one SDCCH/8 per TRX */
for (i = 0; i < TRX_NR_TS; i++) {
if (i == ts->nr)
continue;
if (ts->trx->ts[i].nm_chan_comb ==
NM_CHANC_SDCCH) {
*reason = "Only one SDCCH/8 per TRX allowed.";
return -EINVAL;
}
}
/* not allowed for TS0 of BCCH-TRX */
if (ts->trx == ts->trx->bts->c0 &&
ts->nr == 0) {
*reason = "SDCCH/8 must not be on C0/TS0.";
return -EINVAL;
}
/* not on the same TRX that has a BCCH+SDCCH4
* combination */
if (ts->trx != ts->trx->bts->c0 &&
(ts->trx->ts[0].nm_chan_comb == NM_CHANC_BCCHComb ||
ts->trx->ts[0].nm_chan_comb == NM_CHANC_SDCCH_CBCH)) {
*reason = "SDCCH/8 and BCCH must be on the same TRX.";
return -EINVAL;
}
break;
case NM_CHANC_mainBCCH:
case NM_CHANC_BCCHComb:
/* allowed only for TS0 of C0 */
if (ts->trx != ts->trx->bts->c0 || ts->nr != 0) {
*reason = "Main BCCH must be on TS0.";
return -EINVAL;
}
break;
case NM_CHANC_BCCH:
/* allowed only for TS 2/4/6 of C0 */
if (ts->trx != ts->trx->bts->c0) {
*reason = "BCCH must be on C0.";
return -EINVAL;
}
if (ts->nr != 2 && ts->nr != 4 && ts->nr != 6) {
*reason = "BCCH must be on TS 2/4/6.";
return -EINVAL;
}
break;
case NM_CHANC_SDCCH_CBCH: /* this is not like 08.58, but in fact
* FCCH+SCH+BCCH+CCCH+SDCCH/4+SACCH/C4+CBCH */
/* FIXME: only one CBCH allowed per cell */
break;
}
break;
case GSM_BTS_TYPE_NANOBTS:
switch (ts->nr) {
case 0:
if (ts->trx->nr == 0) {
/* only on TRX0 */
switch (chan_comb) {
case NM_CHANC_BCCH:
case NM_CHANC_BCCH_CBCH:
case NM_CHANC_mainBCCH:
case NM_CHANC_BCCHComb:
return 0;
break;
default:
*reason = "TS0 of TRX0 must carry a BCCH.";
return -EINVAL;
}
} else {
switch (chan_comb) {
case NM_CHANC_TCHFull:
case NM_CHANC_TCHHalf:
case NM_CHANC_IPAC_TCHFull_TCHHalf:
return 0;
default:
*reason = "TS0 must carry a TCH/F or TCH/H.";
return -EINVAL;
}
}
break;
case 1:
if (ts->trx->nr == 0) {
switch (chan_comb) {
case NM_CHANC_SDCCH_CBCH:
if (ts->trx->ts[0].nm_chan_comb ==
NM_CHANC_mainBCCH)
return 0;
*reason = "TS0 must be the main BCCH for CBCH.";
return -EINVAL;
case NM_CHANC_SDCCH:
case NM_CHANC_TCHFull:
case NM_CHANC_TCHHalf:
case NM_CHANC_IPAC_TCHFull_TCHHalf:
case NM_CHANC_IPAC_TCHFull_PDCH:
case NM_CHANC_OSMO_DYN:
return 0;
default:
*reason = "TS1 must carry a CBCH, SDCCH or TCH.";
return -EINVAL;
}
} else {
switch (chan_comb) {
case NM_CHANC_SDCCH:
case NM_CHANC_TCHFull:
case NM_CHANC_TCHHalf:
case NM_CHANC_IPAC_TCHFull_TCHHalf:
return 0;
default:
*reason = "TS1 must carry a SDCCH or TCH.";
return -EINVAL;
}
}
break;
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
switch (chan_comb) {
case NM_CHANC_TCHFull:
case NM_CHANC_TCHHalf:
case NM_CHANC_IPAC_TCHFull_TCHHalf:
return 0;
case NM_CHANC_IPAC_PDCH:
case NM_CHANC_IPAC_TCHFull_PDCH:
case NM_CHANC_OSMO_DYN:
if (ts->trx->nr == 0)
return 0;
else {
*reason = "PDCH must be on TRX0.";
return -EINVAL;
}
}
break;
}
*reason = "Unknown combination";
return -EINVAL;
case GSM_BTS_TYPE_OSMOBTS:
/* no known restrictions */
return 0;
default:
/* unknown BTS type */
return 0;
}
return 0;
}
/* Chapter 8.6.3 */
int abis_nm_set_channel_attr(struct gsm_bts_trx_ts *ts, uint8_t chan_comb)
{
struct gsm_bts *bts = ts->trx->bts;
struct abis_om_hdr *oh;
struct abis_om_fom_hdr *foh;
uint8_t zero = 0x00;
struct msgb *msg = nm_msgb_alloc();
const char *reason = NULL;
/* NOTE: message length will be set later, see down below */
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
foh = fill_om_fom_hdr(oh, 0, NM_MT_SET_CHAN_ATTR, NM_OC_CHANNEL, bts->bts_nr,
ts->trx->nr, ts->nr);
DEBUGPFOH(DNM, foh, "Set Chan Attr\n");
if (verify_chan_comb(ts, chan_comb, &reason) < 0) {
LOGPFOH(DNM, LOGL_ERROR, foh, "Invalid Channel Combination %d on %s. Reason: %s\n",
chan_comb, gsm_ts_name(ts), reason);
msgb_free(msg);
return -EINVAL;
}
ts->nm_chan_comb = chan_comb;
msgb_tv_put(msg, NM_ATT_CHAN_COMB, chan_comb);
if (ts->hopping.enabled) {
unsigned int i, n;
uint16_t *u16 = NULL;
uint8_t *u8 = NULL;
msgb_tv_put(msg, NM_ATT_HSN, ts->hopping.hsn);
msgb_tv_put(msg, NM_ATT_MAIO, ts->hopping.maio);
msgb_put_u8(msg, NM_ATT_ARFCN_LIST);
/* 3GPP TS 12.21 defines this IE as TL16V */
if (bts->type != GSM_BTS_TYPE_BS11)
u16 = (uint16_t *) msgb_put(msg, 2);
else /* ... but BS-11 wants TLV instead */
u8 = (uint8_t *) msgb_put(msg, 1);
/* build the ARFCN list from pre-computed bitmap */
for (i = 0, n = 0; i < ts->hopping.arfcns.data_len*8; i++) {
if (bitvec_get_bit_pos(&ts->hopping.arfcns, i)) {
msgb_put_u16(msg, i);
n += 1;
}
}
/* BS-11 cannot handle more than 255 ARFCNs, because L is 8 bit.
* This is unlikely to happen, but better check than sorry... */
if (bts->type == GSM_BTS_TYPE_BS11 && n > 0xff) {
LOGPFOH(DNM, LOGL_ERROR, foh, "Cannot handle %u (more than 255) "
"hopping channels\n", n);
msgb_free(msg);
return -EINVAL;
}
/* 3GPP TS 12.21 defines L as length of the V part (in octets) */
if (bts->type != GSM_BTS_TYPE_BS11)
*u16 = htons(n * sizeof(*u16));
else /* ... BS-11 wants the number of channels instead */
*u8 = n;
}
msgb_tv_put(msg, NM_ATT_TSC, gsm_ts_tsc(ts)); /* training sequence */
if (bts->type == GSM_BTS_TYPE_BS11)
msgb_tlv_put(msg, 0x59, 1, &zero);
msg->l2h = (uint8_t *) oh;
msg->l3h = (uint8_t *) foh;
oh->length = msgb_l3len(msg);
DEBUGPFOH(DNM, foh, "%s(): sending %s\n", __func__, msgb_hexdump(msg));
return abis_nm_sendmsg(bts, msg);
}
int abis_nm_sw_act_req_ack(struct gsm_bts *bts, uint8_t obj_class, uint8_t i1,
uint8_t i2, uint8_t i3, int nack,
const uint8_t *attr, unsigned int attr_len)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
uint8_t msgtype = NM_MT_SW_ACT_REQ_ACK;
uint8_t len = attr_len;
if (nack) {
len += 2;
msgtype = NM_MT_SW_ACT_REQ_NACK;
}
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, len, msgtype, obj_class, i1, i2, i3);
if (attr != NULL && attr_len > 0)
memcpy(msgb_put(msg, attr_len), attr, attr_len);
if (nack)
msgb_tv_put(msg, NM_ATT_NACK_CAUSES, NM_NACK_OBJCLASS_NOTSUPP);
return abis_nm_sendmsg_direct(bts, msg);
}
int abis_nm_raw_msg(struct gsm_bts *bts, int len, uint8_t *rawmsg)
{
struct msgb *msg = nm_msgb_alloc();
struct abis_om_hdr *oh;
uint8_t *data;
oh = (struct abis_om_hdr *) msgb_put(msg, sizeof(*oh));
fill_om_hdr(oh, len);
data = msgb_put(msg, len);
memcpy(data, rawmsg, len);
return abis_nm_sendmsg(bts, msg);
}
/* Siemens specific commands */
static int __simple_cmd(struct gsm_bts *bts, uint8_t msg_type)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, 0, msg_type, NM_OC_SITE_MANAGER,
0xff, 0xff, 0xff);
return abis_nm_sendmsg(bts, msg);
}
/* Chapter 8.9.2 */
int abis_nm_opstart(struct gsm_bts *bts, uint8_t obj_class, uint8_t i0, uint8_t i1, uint8_t i2)
{
struct abis_om_hdr *oh;
struct abis_om_fom_hdr *foh;
struct msgb *msg = nm_msgb_alloc();
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
foh = fill_om_fom_hdr(oh, 0, NM_MT_OPSTART, obj_class, i0, i1, i2);
DEBUGPFOH(DNM, foh, "Sending OPSTART\n");
return abis_nm_sendmsg(bts, msg);
}
/* Chapter 8.8.5 */
int abis_nm_chg_adm_state(struct gsm_bts *bts, uint8_t obj_class, uint8_t i0,
uint8_t i1, uint8_t i2, enum abis_nm_adm_state adm_state)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, 2, NM_MT_CHG_ADM_STATE, obj_class, i0, i1, i2);
msgb_tv_put(msg, NM_ATT_ADM_STATE, adm_state);
return abis_nm_sendmsg(bts, msg);
}
int abis_nm_conn_mdrop_link(struct gsm_bts *bts, uint8_t e1_port0, uint8_t ts0,
uint8_t e1_port1, uint8_t ts1)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
uint8_t *attr;
DEBUGP(DNM, "CONNECT MDROP LINK E1=(%u,%u) -> E1=(%u, %u)\n",
e1_port0, ts0, e1_port1, ts1);
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, 6, NM_MT_CONN_MDROP_LINK,
NM_OC_SITE_MANAGER, 0x00, 0x00, 0x00);
attr = msgb_put(msg, 3);
attr[0] = NM_ATT_MDROP_LINK;
attr[1] = e1_port0;
attr[2] = ts0;
attr = msgb_put(msg, 3);
attr[0] = NM_ATT_MDROP_NEXT;
attr[1] = e1_port1;
attr[2] = ts1;
return abis_nm_sendmsg(bts, msg);
}
/* Chapter 8.7.1 */
int abis_nm_perform_test(struct gsm_bts *bts, uint8_t obj_class,
uint8_t bts_nr, uint8_t trx_nr, uint8_t ts_nr,
uint8_t test_nr, uint8_t auton_report, struct msgb *msg)
{
struct abis_om_hdr *oh;
DEBUGP(DNM, "PERFORM TEST %s\n", abis_nm_test_name(test_nr));
if (!msg) {
msg = nm_msgb_alloc();
if (!msg)
return -ENOMEM;
}
msgb_tv_push(msg, NM_ATT_AUTON_REPORT, auton_report);
msgb_tv_push(msg, NM_ATT_TEST_NO, test_nr);
oh = (struct abis_om_hdr *) msgb_push(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, msgb_l3len(msg), NM_MT_PERF_TEST,
obj_class, bts_nr, trx_nr, ts_nr);
return abis_nm_sendmsg(bts, msg);
}
int abis_nm_event_reports(struct gsm_bts *bts, int on)
{
if (on == 0)
return __simple_cmd(bts, NM_MT_STOP_EVENT_REP);
else
return __simple_cmd(bts, NM_MT_REST_EVENT_REP);
}
/* Siemens (or BS-11) specific commands */
int abis_nm_bs11_bsc_disconnect(struct gsm_bts *bts, int reconnect)
{
if (reconnect == 0)
return __simple_cmd(bts, NM_MT_BS11_DISCONNECT);
else
return __simple_cmd(bts, NM_MT_BS11_RECONNECT);
}
int abis_nm_bs11_restart(struct gsm_bts *bts)
{
return __simple_cmd(bts, NM_MT_BS11_RESTART);
}
struct bs11_date_time {
uint16_t year;
uint8_t month;
uint8_t day;
uint8_t hour;
uint8_t min;
uint8_t sec;
} __attribute__((packed));
void get_bs11_date_time(struct bs11_date_time *aet)
{
time_t t;
struct tm *tm;
t = time(NULL);
tm = localtime(&t);
aet->sec = tm->tm_sec;
aet->min = tm->tm_min;
aet->hour = tm->tm_hour;
aet->day = tm->tm_mday;
aet->month = tm->tm_mon;
aet->year = htons(1900 + tm->tm_year);
}
int abis_nm_bs11_reset_resource(struct gsm_bts *bts)
{
return __simple_cmd(bts, NM_MT_BS11_RESET_RESOURCE);
}
int abis_nm_bs11_db_transmission(struct gsm_bts *bts, int begin)
{
if (begin)
return __simple_cmd(bts, NM_MT_BS11_BEGIN_DB_TX);
else
return __simple_cmd(bts, NM_MT_BS11_END_DB_TX);
}
int abis_nm_bs11_create_object(struct gsm_bts *bts,
enum abis_bs11_objtype type, uint8_t idx,
uint8_t attr_len, const uint8_t *attr)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
uint8_t *cur;
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, attr_len, NM_MT_BS11_CREATE_OBJ,
NM_OC_BS11, type, 0, idx);
cur = msgb_put(msg, attr_len);
memcpy(cur, attr, attr_len);
return abis_nm_sendmsg(bts, msg);
}
int abis_nm_bs11_delete_object(struct gsm_bts *bts,
enum abis_bs11_objtype type, uint8_t idx)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, 0, NM_MT_BS11_DELETE_OBJ,
NM_OC_BS11, type, 0, idx);
return abis_nm_sendmsg(bts, msg);
}
int abis_nm_bs11_create_envaBTSE(struct gsm_bts *bts, uint8_t idx)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
uint8_t zero = 0x00;
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, 3, NM_MT_BS11_CREATE_OBJ,
NM_OC_BS11_ENVABTSE, 0, idx, 0xff);
msgb_tlv_put(msg, 0x99, 1, &zero);
return abis_nm_sendmsg(bts, msg);
}
int abis_nm_bs11_create_bport(struct gsm_bts *bts, uint8_t idx)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, 0, NM_MT_BS11_CREATE_OBJ, NM_OC_BS11_BPORT,
idx, 0xff, 0xff);
return abis_nm_sendmsg(bts, msg);
}
int abis_nm_bs11_delete_bport(struct gsm_bts *bts, uint8_t idx)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, 0, NM_MT_BS11_DELETE_OBJ, NM_OC_BS11_BPORT,
idx, 0xff, 0xff);
return abis_nm_sendmsg(bts, msg);
}
static const uint8_t sm_attr[] = { NM_ATT_TEI, NM_ATT_ABIS_CHANNEL };
int abis_nm_bs11_get_oml_tei_ts(struct gsm_bts *bts)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, 2+sizeof(sm_attr), NM_MT_GET_ATTR, NM_OC_SITE_MANAGER,
0xff, 0xff, 0xff);
msgb_tlv_put(msg, NM_ATT_LIST_REQ_ATTR, sizeof(sm_attr), sm_attr);
return abis_nm_sendmsg(bts, msg);
}
/* like abis_nm_conn_terr_traf + set_tei */
int abis_nm_bs11_conn_oml_tei(struct gsm_bts *bts, uint8_t e1_port,
uint8_t e1_timeslot, uint8_t e1_subslot,
uint8_t tei)
{
struct abis_om_hdr *oh;
struct abis_nm_channel *ch;
struct msgb *msg = nm_msgb_alloc();
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, sizeof(*ch)+2, NM_MT_BS11_SET_ATTR,
NM_OC_SITE_MANAGER, 0xff, 0xff, 0xff);
ch = (struct abis_nm_channel *) msgb_put(msg, sizeof(*ch));
fill_nm_channel(ch, e1_port, e1_timeslot, e1_subslot);
msgb_tv_put(msg, NM_ATT_TEI, tei);
return abis_nm_sendmsg(bts, msg);
}
int abis_nm_bs11_set_trx_power(struct gsm_bts_trx *trx, uint8_t level)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, 3, NM_MT_BS11_SET_ATTR,
NM_OC_BS11, BS11_OBJ_PA, 0x00, trx->nr);
msgb_tlv_put(msg, NM_ATT_BS11_TXPWR, 1, &level);
return abis_nm_sendmsg(trx->bts, msg);
}
int abis_nm_bs11_get_trx_power(struct gsm_bts_trx *trx)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
uint8_t attr = NM_ATT_BS11_TXPWR;
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, 2+sizeof(attr), NM_MT_GET_ATTR,
NM_OC_BS11, BS11_OBJ_PA, 0x00, trx->nr);
msgb_tlv_put(msg, NM_ATT_LIST_REQ_ATTR, sizeof(attr), &attr);
return abis_nm_sendmsg(trx->bts, msg);
}
int abis_nm_bs11_get_pll_mode(struct gsm_bts *bts)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
uint8_t attr[] = { NM_ATT_BS11_PLL_MODE };
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, 2+sizeof(attr), NM_MT_GET_ATTR,
NM_OC_BS11, BS11_OBJ_LI, 0x00, 0x00);
msgb_tlv_put(msg, NM_ATT_LIST_REQ_ATTR, sizeof(attr), attr);
return abis_nm_sendmsg(bts, msg);
}
int abis_nm_bs11_get_cclk(struct gsm_bts *bts)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
uint8_t attr[] = { NM_ATT_BS11_CCLK_ACCURACY,
NM_ATT_BS11_CCLK_TYPE };
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, 2+sizeof(attr), NM_MT_GET_ATTR,
NM_OC_BS11, BS11_OBJ_CCLK, 0x00, 0x00);
msgb_tlv_put(msg, NM_ATT_LIST_REQ_ATTR, sizeof(attr), attr);
return abis_nm_sendmsg(bts, msg);
}
//static const uint8_t bs11_logon_c7[] = { 0x07, 0xd9, 0x01, 0x11, 0x0d, 0x10, 0x20 };
int abis_nm_bs11_factory_logon(struct gsm_bts *bts, int on)
{
return abis_nm_bs11_logon(bts, 0x02, "FACTORY", on);
}
int abis_nm_bs11_infield_logon(struct gsm_bts *bts, int on)
{
return abis_nm_bs11_logon(bts, 0x03, "FIELD ", on);
}
int abis_nm_bs11_logon(struct gsm_bts *bts, uint8_t level, const char *name, int on)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
struct bs11_date_time bdt;
get_bs11_date_time(&bdt);
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
if (on) {
uint8_t len = 3*2 + sizeof(bdt)
+ 1 + strlen(name);
fill_om_fom_hdr(oh, len, NM_MT_BS11_LMT_LOGON,
NM_OC_BS11_BTSE, 0xff, 0xff, 0xff);
msgb_tlv_put(msg, NM_ATT_BS11_LMT_LOGIN_TIME,
sizeof(bdt), (uint8_t *) &bdt);
msgb_tlv_put(msg, NM_ATT_BS11_LMT_USER_ACC_LEV,
1, &level);
msgb_tlv_put(msg, NM_ATT_BS11_LMT_USER_NAME,
strlen(name), (uint8_t *)name);
} else {
fill_om_fom_hdr(oh, 0, NM_MT_BS11_LMT_LOGOFF,
NM_OC_BS11_BTSE, 0xff, 0xff, 0xff);
}
return abis_nm_sendmsg(bts, msg);
}
int abis_nm_bs11_set_trx1_pw(struct gsm_bts *bts, const char *password)
{
struct abis_om_hdr *oh;
struct msgb *msg;
if (strlen(password) != 10)
return -EINVAL;
msg = nm_msgb_alloc();
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, 2+strlen(password), NM_MT_BS11_SET_ATTR,
NM_OC_BS11, BS11_OBJ_TRX1, 0x00, 0x00);
msgb_tlv_put(msg, NM_ATT_BS11_PASSWORD, 10, (const uint8_t *)password);
return abis_nm_sendmsg(bts, msg);
}
/* change the BS-11 PLL Mode to either locked (E1 derived) or standalone */
int abis_nm_bs11_set_pll_locked(struct gsm_bts *bts, int locked)
{
struct abis_om_hdr *oh;
struct msgb *msg;
uint8_t tlv_value;
msg = nm_msgb_alloc();
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, 3, NM_MT_BS11_SET_ATTR, NM_OC_BS11,
BS11_OBJ_LI, 0x00, 0x00);
if (locked)
tlv_value = BS11_LI_PLL_LOCKED;
else
tlv_value = BS11_LI_PLL_STANDALONE;
msgb_tlv_put(msg, NM_ATT_BS11_PLL_MODE, 1, &tlv_value);
return abis_nm_sendmsg(bts, msg);
}
/* Set the calibration value of the PLL (work value/set value)
* It depends on the login which one is changed */
int abis_nm_bs11_set_pll(struct gsm_bts *bts, int value)
{
struct abis_om_hdr *oh;
struct msgb *msg;
uint8_t tlv_value[2];
msg = nm_msgb_alloc();
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, 3, NM_MT_BS11_SET_ATTR, NM_OC_BS11,
BS11_OBJ_TRX1, 0x00, 0x00);
tlv_value[0] = value>>8;
tlv_value[1] = value&0xff;
msgb_tlv_put(msg, NM_ATT_BS11_PLL, 2, tlv_value);
return abis_nm_sendmsg(bts, msg);
}
int abis_nm_bs11_get_state(struct gsm_bts *bts)
{
return __simple_cmd(bts, NM_MT_BS11_GET_STATE);
}
/* BS11 SWL */
void *tall_fle_ctx = NULL;
struct abis_nm_bs11_sw {
struct gsm_bts *bts;
char swl_fname[PATH_MAX];
uint8_t win_size;
int forced;
struct llist_head file_list;
gsm_cbfn *user_cb; /* specified by the user */
};
static struct abis_nm_bs11_sw _g_bs11_sw, *g_bs11_sw = &_g_bs11_sw;
struct file_list_entry {
struct llist_head list;
char fname[PATH_MAX];
};
struct file_list_entry *fl_dequeue(struct llist_head *queue)
{
struct llist_head *lh;
if (llist_empty(queue))
return NULL;
lh = queue->next;
llist_del(lh);
return llist_entry(lh, struct file_list_entry, list);
}
static int bs11_read_swl_file(struct abis_nm_bs11_sw *bs11_sw)
{
struct file_list_entry *fle;
char linebuf[255];
FILE *swl;
int rc = 0;
swl = fopen(bs11_sw->swl_fname, "r");
if (!swl)
return -ENODEV;
/* zero the stale file list, if any */
while ((fle = fl_dequeue(&bs11_sw->file_list)))
talloc_free(fle);
while (fgets(linebuf, sizeof(linebuf), swl)) {
char file_id[12+1];
char file_version[80+1];
struct file_list_entry *fle;
static char dir[PATH_MAX];
if (strlen(linebuf) < 4)
continue;
rc = sscanf(linebuf+4, "%12s:%80s\r\n", file_id, file_version);
if (rc < 0) {
perror("ERR parsing SWL file");
rc = -EINVAL;
goto out;
}
if (rc < 2)
continue;
fle = talloc_zero(tall_fle_ctx, struct file_list_entry);
if (!fle) {
rc = -ENOMEM;
goto out;
}
/* construct new filename */
osmo_strlcpy(dir, bs11_sw->swl_fname, sizeof(dir));
strncat(fle->fname, dirname(dir), sizeof(fle->fname) - 1);
strcat(fle->fname, "/");
strncat(fle->fname, file_id, sizeof(fle->fname) - 1 -strlen(fle->fname));
llist_add_tail(&fle->list, &bs11_sw->file_list);
}
out:
fclose(swl);
return rc;
}
/* bs11 swload specific callback, passed to abis_nm core swload */
static int bs11_swload_cbfn(unsigned int hook, unsigned int event,
struct msgb *msg, void *data, void *param)
{
struct abis_nm_bs11_sw *bs11_sw = data;
struct file_list_entry *fle;
int rc = 0;
switch (event) {
case NM_MT_LOAD_END_ACK:
fle = fl_dequeue(&bs11_sw->file_list);
if (fle) {
/* start download the next file of our file list */
rc = abis_nm_software_load(bs11_sw->bts, 0xff, fle->fname,
bs11_sw->win_size,
bs11_sw->forced,
&bs11_swload_cbfn, bs11_sw);
talloc_free(fle);
} else {
/* activate the SWL */
rc = abis_nm_software_activate(bs11_sw->bts,
bs11_sw->swl_fname,
bs11_swload_cbfn,
bs11_sw);
}
break;
case NM_MT_LOAD_SEG_ACK:
case NM_MT_LOAD_END_NACK:
case NM_MT_LOAD_INIT_ACK:
case NM_MT_LOAD_INIT_NACK:
case NM_MT_ACTIVATE_SW_NACK:
case NM_MT_ACTIVATE_SW_ACK:
default:
/* fallthrough to the user callback */
if (bs11_sw->user_cb)
rc = bs11_sw->user_cb(hook, event, msg, NULL, NULL);
break;
}
return rc;
}
/* Siemens provides a SWL file that is a mere listing of all the other
* files that are part of a software release. We need to upload first
* the list file, and then each file that is listed in the list file */
int abis_nm_bs11_load_swl(struct gsm_bts *bts, const char *fname,
uint8_t win_size, int forced, gsm_cbfn *cbfn)
{
struct abis_nm_bs11_sw *bs11_sw = g_bs11_sw;
struct file_list_entry *fle;
int rc = 0;
INIT_LLIST_HEAD(&bs11_sw->file_list);
bs11_sw->bts = bts;
bs11_sw->win_size = win_size;
bs11_sw->user_cb = cbfn;
bs11_sw->forced = forced;
osmo_strlcpy(bs11_sw->swl_fname, fname, sizeof(bs11_sw->swl_fname));
rc = bs11_read_swl_file(bs11_sw);
if (rc < 0)
return rc;
/* dequeue next item in file list */
fle = fl_dequeue(&bs11_sw->file_list);
if (!fle)
return -EINVAL;
/* start download the next file of our file list */
rc = abis_nm_software_load(bts, 0xff, fle->fname, win_size, forced,
bs11_swload_cbfn, bs11_sw);
talloc_free(fle);
return rc;
}
#if 0
static uint8_t req_attr_btse[] = {
NM_ATT_ADM_STATE, NM_ATT_BS11_LMT_LOGON_SESSION,
NM_ATT_BS11_LMT_LOGIN_TIME, NM_ATT_BS11_LMT_USER_ACC_LEV,
NM_ATT_BS11_LMT_USER_NAME,
0xaf, NM_ATT_BS11_RX_OFFSET, NM_ATT_BS11_VENDOR_NAME,
NM_ATT_BS11_SW_LOAD_INTENDED, NM_ATT_BS11_SW_LOAD_SAFETY,
NM_ATT_BS11_SW_LOAD_STORED };
static uint8_t req_attr_btsm[] = {
NM_ATT_ABIS_CHANNEL, NM_ATT_TEI, NM_ATT_BS11_ABIS_EXT_TIME,
NM_ATT_ADM_STATE, NM_ATT_AVAIL_STATUS, 0xce, NM_ATT_FILE_ID,
NM_ATT_FILE_VERSION, NM_ATT_OPER_STATE, 0xe8, NM_ATT_BS11_ALL_TEST_CATG,
NM_ATT_SW_DESCR, NM_ATT_GET_ARI };
#endif
static uint8_t req_attr[] = {
NM_ATT_ADM_STATE, NM_ATT_AVAIL_STATUS, 0xa8, NM_ATT_OPER_STATE,
0xd5, 0xa1, NM_ATT_BS11_ESN_FW_CODE_NO, NM_ATT_BS11_ESN_HW_CODE_NO,
0x42, NM_ATT_BS11_ESN_PCB_SERIAL, NM_ATT_BS11_PLL };
int abis_nm_bs11_get_serno(struct gsm_bts *bts)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
/* SiemensHW CCTRL object */
fill_om_fom_hdr(oh, 2+sizeof(req_attr), NM_MT_GET_ATTR, NM_OC_BS11,
0x03, 0x00, 0x00);
msgb_tlv_put(msg, NM_ATT_LIST_REQ_ATTR, sizeof(req_attr), req_attr);
return abis_nm_sendmsg(bts, msg);
}
int abis_nm_bs11_set_ext_time(struct gsm_bts *bts)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
struct bs11_date_time aet;
get_bs11_date_time(&aet);
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
/* SiemensHW CCTRL object */
fill_om_fom_hdr(oh, 2+sizeof(aet), NM_MT_BS11_SET_ATTR, NM_OC_SITE_MANAGER,
0xff, 0xff, 0xff);
msgb_tlv_put(msg, NM_ATT_BS11_ABIS_EXT_TIME, sizeof(aet), (uint8_t *) &aet);
return abis_nm_sendmsg(bts, msg);
}
int abis_nm_bs11_get_bport_line_cfg(struct gsm_bts *bts, uint8_t bport)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
uint8_t attr = NM_ATT_BS11_LINE_CFG;
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, 2+sizeof(attr), NM_MT_GET_ATTR,
NM_OC_BS11_BPORT, bport, 0xff, 0x02);
msgb_tlv_put(msg, NM_ATT_LIST_REQ_ATTR, sizeof(attr), &attr);
return abis_nm_sendmsg(bts, msg);
}
int abis_nm_bs11_set_bport_line_cfg(struct gsm_bts *bts, uint8_t bport, enum abis_bs11_line_cfg line_cfg)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
struct bs11_date_time aet;
get_bs11_date_time(&aet);
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, 2, NM_MT_BS11_SET_ATTR, NM_OC_BS11_BPORT,
bport, 0xff, 0x02);
msgb_tv_put(msg, NM_ATT_BS11_LINE_CFG, line_cfg);
return abis_nm_sendmsg(bts, msg);
}
static int abis_nm_rx_ipacc(struct msgb *msg)
{
struct in_addr addr;
struct abis_om_hdr *oh = msgb_l2(msg);
struct abis_om_fom_hdr *foh;
uint8_t idstrlen = oh->data[0];
struct tlv_parsed tp;
struct ipacc_ack_signal_data signal;
struct e1inp_sign_link *sign_link = msg->dst;
struct gsm_bts *bts = sign_link->trx->bts;
struct gsm_bts_trx *trx;
foh = (struct abis_om_fom_hdr *) (oh->data + 1 + idstrlen);
if (strncmp((char *)&oh->data[1], abis_nm_ipa_magic, idstrlen)) {
LOGPFOH(DNM, LOGL_ERROR, foh, "id string is not com.ipaccess !?!\n");
return -EINVAL;
}
if (abis_nm_tlv_parse(&tp, bts, foh->data, oh->length - sizeof(*foh)) < 0) {
LOGPFOH(DNM, LOGL_ERROR, foh, "%s(): tlv_parse failed\n", __func__);
return -EINVAL;
}
/* The message might be received over the main OML link, so we cannot
* just use sign_link->trx. Resolve it by number from the FOM header. */
trx = gsm_bts_trx_num(bts, foh->obj_inst.trx_nr);
DEBUGPFOH(DNM, foh, "Rx IPACCESS(0x%02x): %s\n", foh->msg_type,
osmo_hexdump(foh->data, oh->length - sizeof(*foh)));
switch (foh->msg_type) {
case NM_MT_IPACC_RSL_CONNECT_ACK:
DEBUGPFOH(DNM, foh, "RSL CONNECT ACK ");
if (TLVP_PRESENT(&tp, NM_ATT_IPACC_DST_IP)) {
memcpy(&addr,
TLVP_VAL(&tp, NM_ATT_IPACC_DST_IP), sizeof(addr));
DEBUGPC(DNM, "IP=%s ", inet_ntoa(addr));
}
if (TLVP_PRESENT(&tp, NM_ATT_IPACC_DST_IP_PORT))
DEBUGPC(DNM, "PORT=%" SCNu16 " ", osmo_load16be(TLVP_VAL(&tp, NM_ATT_IPACC_DST_IP_PORT)));
if (TLVP_PRESENT(&tp, NM_ATT_IPACC_STREAM_ID))
DEBUGPC(DNM, "STREAM=0x%02x ",
*TLVP_VAL(&tp, NM_ATT_IPACC_STREAM_ID));
DEBUGPC(DNM, "\n");
if (!trx)
goto obj_inst_error;
osmo_timer_del(&trx->rsl_connect_timeout);
break;
case NM_MT_IPACC_RSL_CONNECT_NACK:
LOGPFOH(DNM, LOGL_ERROR, foh, "RSL CONNECT NACK ");
if (TLVP_PRESENT(&tp, NM_ATT_NACK_CAUSES))
LOGPC(DNM, LOGL_ERROR, " CAUSE=%s\n",
abis_nm_nack_cause_name(*TLVP_VAL(&tp, NM_ATT_NACK_CAUSES)));
else
LOGPC(DNM, LOGL_ERROR, "\n");
if (!trx)
goto obj_inst_error;
osmo_timer_del(&trx->rsl_connect_timeout);
break;
case NM_MT_IPACC_SET_NVATTR_ACK:
DEBUGPFOH(DNM, foh, "SET NVATTR ACK\n");
/* FIXME: decode and show the actual attributes */
break;
case NM_MT_IPACC_SET_NVATTR_NACK:
LOGPFOH(DNM, LOGL_ERROR, foh, "SET NVATTR NACK ");
if (TLVP_PRESENT(&tp, NM_ATT_NACK_CAUSES))
LOGPC(DNM, LOGL_ERROR, " CAUSE=%s\n",
abis_nm_nack_cause_name(*TLVP_VAL(&tp, NM_ATT_NACK_CAUSES)));
else
LOGPC(DNM, LOGL_ERROR, "\n");
break;
case NM_MT_IPACC_GET_NVATTR_ACK:
DEBUGPFOH(DNM, foh, "GET NVATTR ACK\n");
/* FIXME: decode and show the actual attributes */
break;
case NM_MT_IPACC_GET_NVATTR_NACK:
LOGPFOH(DNM, LOGL_ERROR, foh, "GET NVATTR NACK ");
if (TLVP_PRESENT(&tp, NM_ATT_NACK_CAUSES))
LOGPC(DNM, LOGL_ERROR, " CAUSE=%s\n",
abis_nm_nack_cause_name(*TLVP_VAL(&tp, NM_ATT_NACK_CAUSES)));
else
LOGPC(DNM, LOGL_ERROR, "\n");
break;
case NM_MT_IPACC_SET_ATTR_ACK:
DEBUGPFOH(DNM, foh, "SET ATTR ACK\n");
break;
case NM_MT_IPACC_SET_ATTR_NACK:
LOGPFOH(DNM, LOGL_ERROR, foh, "SET ATTR NACK ");
if (TLVP_PRESENT(&tp, NM_ATT_NACK_CAUSES))
LOGPC(DNM, LOGL_ERROR, " CAUSE=%s\n",
abis_nm_nack_cause_name(*TLVP_VAL(&tp, NM_ATT_NACK_CAUSES)));
else
LOGPC(DNM, LOGL_ERROR, "\n");
break;
default:
LOGPFOH(DNM, LOGL_ERROR, foh, "Unknown message\n");
break;
}
/* signal handling */
switch (foh->msg_type) {
case NM_MT_IPACC_RSL_CONNECT_NACK:
case NM_MT_IPACC_SET_NVATTR_NACK:
case NM_MT_IPACC_GET_NVATTR_NACK:
signal.bts = bts;
signal.foh = foh;
osmo_signal_dispatch(SS_NM, S_NM_IPACC_NACK, &signal);
break;
case NM_MT_IPACC_RSL_CONNECT_ACK:
case NM_MT_IPACC_SET_NVATTR_ACK:
case NM_MT_IPACC_SET_ATTR_ACK:
signal.bts = bts;
signal.foh = foh;
osmo_signal_dispatch(SS_NM, S_NM_IPACC_ACK, &signal);
break;
default:
break;
}
return 0;
obj_inst_error:
LOGPFOH(DNM, LOGL_ERROR, foh, "Unknown object instance\n");
return -EINVAL;
}
/* send an ip-access manufacturer specific message */
int abis_nm_ipaccess_msg(struct gsm_bts *bts, uint8_t msg_type,
uint8_t obj_class, uint8_t bts_nr,
uint8_t trx_nr, uint8_t ts_nr,
uint8_t *attr, int attr_len)
{
struct msgb *msg = nm_msgb_alloc();
struct abis_om_hdr *oh;
struct abis_om_fom_hdr *foh;
uint8_t *data;
/* construct the 12.21 OM header, observe the erroneous length */
oh = (struct abis_om_hdr *) msgb_put(msg, sizeof(*oh));
fill_om_hdr(oh, sizeof(*foh) + attr_len);
oh->mdisc = ABIS_OM_MDISC_MANUF;
/* add the ip.access magic */
msgb_lv_put(msg, sizeof(abis_nm_ipa_magic),
(const uint8_t *) abis_nm_ipa_magic);
/* fill the 12.21 FOM header */
foh = (struct abis_om_fom_hdr *) msgb_put(msg, sizeof(*foh));
foh->msg_type = msg_type;
foh->obj_class = obj_class;
foh->obj_inst.bts_nr = bts_nr;
foh->obj_inst.trx_nr = trx_nr;
foh->obj_inst.ts_nr = ts_nr;
if (attr && attr_len) {
data = msgb_put(msg, attr_len);
memcpy(data, attr, attr_len);
}
return abis_nm_sendmsg(bts, msg);
}
/* set some attributes in NVRAM */
int abis_nm_ipaccess_set_nvattr(struct gsm_bts_trx *trx, uint8_t *attr,
int attr_len)
{
return abis_nm_ipaccess_msg(trx->bts, NM_MT_IPACC_SET_NVATTR,
NM_OC_BASEB_TRANSC, 0, trx->nr, 0xff, attr,
attr_len);
}
static void rsl_connect_timeout(void *data)
{
struct gsm_bts_trx *trx = data;
struct ipacc_ack_signal_data signal;
LOG_TRX(trx, DRSL, LOGL_NOTICE, "RSL connection request timed out\n");
/* Fake an RSL CONNECT NACK message from the BTS. */
struct abis_om_fom_hdr foh = {
.msg_type = NM_MT_IPACC_RSL_CONNECT_NACK,
.obj_class = NM_OC_BASEB_TRANSC,
.obj_inst = {
.bts_nr = trx->bts->bts_nr,
.trx_nr = trx->nr,
.ts_nr = 0xff,
},
};
signal.foh = &foh;
signal.bts = trx->bts;
osmo_signal_dispatch(SS_NM, S_NM_IPACC_NACK, &signal);
}
int abis_nm_ipaccess_rsl_connect(struct gsm_bts_trx *trx,
uint32_t ip, uint16_t port, uint8_t stream)
{
struct msgb *attr;
struct in_addr ia;
int error;
osmo_timer_setup(&trx->rsl_connect_timeout, rsl_connect_timeout, trx);
attr = msgb_alloc(32, "RSL-connect-attr");
msgb_tv_put(attr, NM_ATT_IPACC_STREAM_ID, stream);
msgb_tv16_put(attr, NM_ATT_IPACC_DST_IP_PORT, port);
/* if ip == 0, we use the default IP */
if (ip != 0) {
ia.s_addr = htonl(ip);
msgb_tv_fixed_put(attr, NM_ATT_IPACC_DST_IP, 4, (void*)&ia.s_addr);
} else {
ia = (struct in_addr){};
}
LOG_TRX(trx, DNM, LOGL_INFO, "IPA RSL CONNECT IP=%s PORT=%u STREAM=0x%02x\n",
inet_ntoa(ia), port, stream);
error = abis_nm_ipaccess_msg(trx->bts, NM_MT_IPACC_RSL_CONNECT,
NM_OC_BASEB_TRANSC, trx->bts->bts_nr,
trx->nr, 0xff, attr->data, attr->len);
msgb_free(attr);
if (error == 0)
osmo_timer_schedule(&trx->rsl_connect_timeout, 60, 0);
return error;
}
/* restart / reboot an ip.access nanoBTS */
int abis_nm_ipaccess_restart(struct gsm_bts_trx *trx)
{
struct abis_om_hdr *oh;
struct msgb *msg = nm_msgb_alloc();
oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
fill_om_fom_hdr(oh, 0, NM_MT_IPACC_RESTART, NM_OC_BASEB_TRANSC,
trx->bts->bts_nr, trx->nr, 0xff);
return abis_nm_sendmsg_direct(trx->bts, msg);
}
int abis_nm_ipaccess_set_attr(struct gsm_bts *bts, uint8_t obj_class,
uint8_t bts_nr, uint8_t trx_nr, uint8_t ts_nr,
uint8_t *attr, uint8_t attr_len)
{
return abis_nm_ipaccess_msg(bts, NM_MT_IPACC_SET_ATTR,
obj_class, bts_nr, trx_nr, ts_nr,
attr, attr_len);
}
void abis_nm_ipaccess_cgi(uint8_t *buf, struct gsm_bts *bts)
{
struct gsm48_ra_id *_buf = (struct gsm48_ra_id*)buf;
uint16_t ci = htons(bts->cell_identity);
/* we simply reuse the GSM48 function and write the Cell ID over the position where the RAC
* starts */
gsm48_ra_id_by_bts(_buf, bts);
memcpy(&_buf->rac, &ci, sizeof(ci));
}
static const struct value_string ipacc_testres_names[] = {
{ NM_IPACC_TESTRES_SUCCESS, "SUCCESS" },
{ NM_IPACC_TESTRES_TIMEOUT, "TIMEOUT" },
{ NM_IPACC_TESTRES_NO_CHANS, "NO CHANNELS" },
{ NM_IPACC_TESTRES_PARTIAL, "PARTIAL" },
{ NM_IPACC_TESTRES_STOPPED, "STOPPED" },
{ 0, NULL }
};
const char *ipacc_testres_name(uint8_t res)
{
return get_value_string(ipacc_testres_names, res);
}
void ipac_parse_cgi(struct osmo_cell_global_id *cid, const uint8_t *buf)
{
osmo_plmn_from_bcd(buf, &cid->lai.plmn);
cid->lai.lac = ntohs(*((uint16_t *)&buf[3]));
cid->cell_identity = ntohs(*((uint16_t *)&buf[5]));
}
/* parse BCCH information IEI from wire format to struct ipac_bcch_info */
int ipac_parse_bcch_info(struct ipac_bcch_info *binf, uint8_t *buf)
{
uint8_t *cur = buf;
uint16_t len __attribute__((unused));
memset(binf, 0, sizeof(*binf));
if (cur[0] != NM_IPAC_EIE_BCCH_INFO)
return -EINVAL;
cur++;
len = ntohs(*(uint16_t *)cur);
cur += 2;
binf->info_type = ntohs(*(uint16_t *)cur);
cur += 2;
if (binf->info_type & IPAC_BINF_FREQ_ERR_QUAL)
binf->freq_qual = *cur >> 2;
binf->arfcn = (*cur++ & 3) << 8;
binf->arfcn |= *cur++;
if (binf->info_type & IPAC_BINF_RXLEV)
binf->rx_lev = *cur & 0x3f;
cur++;
if (binf->info_type & IPAC_BINF_RXQUAL)
binf->rx_qual = *cur & 0x7;
cur++;
if (binf->info_type & IPAC_BINF_FREQ_ERR_QUAL)
binf->freq_err = ntohs(*(uint16_t *)cur);
cur += 2;
if (binf->info_type & IPAC_BINF_FRAME_OFFSET)
binf->frame_offset = ntohs(*(uint16_t *)cur);
cur += 2;
if (binf->info_type & IPAC_BINF_FRAME_NR_OFFSET)
binf->frame_nr_offset = ntohl(*(uint32_t *)cur);
cur += 4;
#if 0
/* Somehow this is not set correctly */
if (binf->info_type & IPAC_BINF_BSIC)
#endif
binf->bsic = *cur & 0x3f;
cur++;
ipac_parse_cgi(&binf->cgi, cur);
cur += 7;
if (binf->info_type & IPAC_BINF_NEIGH_BA_SI2) {
memcpy(binf->ba_list_si2, cur, sizeof(binf->ba_list_si2));
cur += sizeof(binf->ba_list_si2);
}
if (binf->info_type & IPAC_BINF_NEIGH_BA_SI2bis) {
memcpy(binf->ba_list_si2bis, cur,
sizeof(binf->ba_list_si2bis));
cur += sizeof(binf->ba_list_si2bis);
}
if (binf->info_type & IPAC_BINF_NEIGH_BA_SI2ter) {
memcpy(binf->ba_list_si2ter, cur,
sizeof(binf->ba_list_si2ter));
cur += sizeof(binf->ba_list_si2ter);
}
return 0;
}
void abis_nm_clear_queue(struct gsm_bts *bts)
{
struct msgb *msg;
while (!llist_empty(&bts->abis_queue)) {
msg = msgb_dequeue(&bts->abis_queue);
msgb_free(msg);
}
bts->abis_nm_pend = 0;
}
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