osmo-msc/openbsc/src/ipaccess-config.c

375 lines
8.6 KiB
C

/* ip.access nanoBTS configuration tool */
/* (C) 2009 by Harald Welte <laforge@gnumonks.org>
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <openbsc/select.h>
#include <openbsc/timer.h>
#include <openbsc/ipaccess.h>
#include <openbsc/gsm_data.h>
#include <openbsc/e1_input.h>
#include <openbsc/abis_nm.h>
#include <openbsc/signal.h>
#include <openbsc/debug.h>
static struct gsm_network *gsmnet;
static int net_listen_testnr;
static int restart;
static char *prim_oml_ip;
static char *unit_id;
static u_int16_t nv_flags;
static u_int16_t nv_mask;
/*
static u_int8_t prim_oml_attr[] = { 0x95, 0x00, 7, 0x88, 192, 168, 100, 11, 0x00, 0x00 };
static u_int8_t unit_id_attr[] = { 0x91, 0x00, 9, '2', '3', '4', '2', '/' , '0', '/', '0', 0x00 };
*/
/*
* Callback function for NACK on the OML NM
*
* Currently we send the config requests but don't check the
* result. The nanoBTS will send us a NACK when we did something the
* BTS didn't like.
*/
static int ipacc_msg_nack(int mt)
{
fprintf(stderr, "Failure to set attribute. This seems fatal\n");
exit(-1);
return 0;
}
struct ipacc_ferr_elem {
int16_t freq_err;
u_int8_t freq_qual;
u_int8_t arfcn;
} __attribute__((packed));
struct ipacc_cusage_elem {
u_int16_t arfcn:10,
rxlev:6;
} __attribute__ ((packed));
static const char *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",
};
const char *ipacc_testres_name(u_int8_t res)
{
if (res < ARRAY_SIZE(ipacc_testres_names) &&
ipacc_testres_names[res])
return ipacc_testres_names[res];
return "unknown";
}
static int test_rep(void *_msg)
{
struct msgb *msg = _msg;
struct abis_om_fom_hdr *foh = msgb_l3(msg);
u_int16_t test_rep_len, ferr_list_len;
struct ipacc_ferr_elem *ife;
int i;
DEBUGP(DNM, "TEST REPORT: ");
if (foh->data[0] != NM_ATT_TEST_NO ||
foh->data[2] != NM_ATT_TEST_REPORT)
return -EINVAL;
DEBUGPC(DNM, "test_no=0x%02x ", foh->data[1]);
/* data[2] == NM_ATT_TEST_REPORT */
/* data[3..4]: test_rep_len */
test_rep_len = ntohs(*(u_int16_t *) &foh->data[3]);
/* data[5]: ip.access test result */
DEBUGPC(DNM, "test_res=%s\n", ipacc_testres_name(foh->data[5]));
/* data[6]: ip.access nested IE. 3 == freq_err_list */
switch (foh->data[6]) {
case 3:
/* data[7..8]: length of ferr_list */
ferr_list_len = ntohs(*(u_int16_t *) &foh->data[7]);
/* data[9...]: frequency error list elements */
for (i = 0; i < ferr_list_len; i+= sizeof(*ife)) {
ife = (struct ipacc_ferr_elem *) (foh->data + 9 + i);
DEBUGP(DNM, "==> ARFCN %4u, Frequency Error %6hd\n",
ife->arfcn, ntohs(ife->freq_err));
}
break;
case 4:
/* data[7..8]: length of ferr_list */
ferr_list_len = ntohs(*(u_int16_t *) &foh->data[7]);
/* data[9...]: channel usage list elements */
for (i = 0; i < ferr_list_len; i+= 2) {
u_int16_t *cu_ptr = (u_int16_t *)(foh->data + 9 + i);
u_int16_t cu = ntohs(*cu_ptr);
DEBUGP(DNM, "==> ARFCN %4u, RxLev %2u\n",
cu & 0x3ff, cu >> 10);
}
break;
default:
break;
}
return 0;
}
static int nm_sig_cb(unsigned int subsys, unsigned int signal,
void *handler_data, void *signal_data)
{
switch (signal) {
case S_NM_IPACC_NACK:
return ipacc_msg_nack((int)signal_data);
case S_NM_TEST_REP:
return test_rep(signal_data);
default:
break;
}
return 0;
}
static void bootstrap_om(struct gsm_bts *bts)
{
int len;
static u_int8_t buf[1024];
u_int8_t *cur = buf;
printf("OML link established\n");
if (unit_id) {
len = strlen(unit_id);
if (len > sizeof(buf)-10)
return;
buf[0] = NM_ATT_IPACC_UNIT_ID;
buf[1] = (len+1) >> 8;
buf[2] = (len+1) & 0xff;
memcpy(buf+3, unit_id, len);
buf[3+len] = 0;
printf("setting Unit ID to '%s'\n", unit_id);
abis_nm_ipaccess_set_nvattr(bts, buf, 3+len+1);
}
if (prim_oml_ip) {
struct in_addr ia;
if (!inet_aton(prim_oml_ip, &ia)) {
fprintf(stderr, "invalid IP address: %s\n",
prim_oml_ip);
return;
}
/* 0x88 + IP + port */
len = 1 + sizeof(ia) + 2;
*cur++ = NM_ATT_IPACC_PRIM_OML_CFG_LIST;
*cur++ = (len) >> 8;
*cur++ = (len) & 0xff;
*cur++ = 0x88;
memcpy(cur, &ia, sizeof(ia));
cur += sizeof(ia);
*cur++ = 0;
*cur++ = 0;
printf("setting primary OML link IP to '%s'\n", inet_ntoa(ia));
abis_nm_ipaccess_set_nvattr(bts, buf, 3+len);
}
if (nv_mask) {
len = 4;
*cur++ = NM_ATT_IPACC_NV_FLAGS;
*cur++ = (len) >> 8;
*cur++ = (len) & 0xff;
*cur++ = nv_flags & 0xff;
*cur++ = nv_mask & 0xff;
*cur++ = nv_flags >> 8;
*cur++ = nv_mask >> 8;
printf("setting NV Flags/Mask to 0x%04x/0x%04x\n",
nv_flags, nv_mask);
abis_nm_ipaccess_set_nvattr(bts, buf, 3+len);
}
if (restart) {
printf("restarting BTS\n");
abis_nm_ipaccess_restart(bts);
}
}
void input_event(int event, enum e1inp_sign_type type, struct gsm_bts_trx *trx)
{
switch (event) {
case EVT_E1_TEI_UP:
switch (type) {
case E1INP_SIGN_OML:
bootstrap_om(trx->bts);
break;
case E1INP_SIGN_RSL:
/* FIXME */
break;
default:
break;
}
break;
case EVT_E1_TEI_DN:
fprintf(stderr, "Lost some E1 TEI link\n");
/* FIXME: deal with TEI or L1 link loss */
break;
default:
break;
}
}
int nm_state_event(enum nm_evt evt, u_int8_t obj_class, void *obj,
struct gsm_nm_state *old_state, struct gsm_nm_state *new_state)
{
if (evt == EVT_STATECHG_OPER &&
obj_class == NM_OC_RADIO_CARRIER &&
new_state->availability == 3 &&
net_listen_testnr) {
struct gsm_bts_trx *trx = obj;
u_int8_t phys_config[] = { 0x02, 0x0a, 0x00, 0x01, 0x02 };
abis_nm_perform_test(trx->bts, 2, 0, 0, 0xff,
net_listen_testnr, 1,
phys_config, sizeof(phys_config));
}
return 0;
}
static void print_usage(void)
{
printf("Usage: ipaccess-config\n");
}
static void print_help(void)
{
printf(" -u --unit-id UNIT_ID\n");
printf(" -o --oml-ip ip\n");
printf(" -r --restart\n");
printf(" -n flags/mask\tSet NVRAM attributes.\n");
printf(" -l --listen testnr \tPerform speciified test number\n");
printf(" -h --help this text\n");
}
int main(int argc, char **argv)
{
struct gsm_bts *bts;
struct sockaddr_in sin;
int rc, option_index = 0;
printf("ipaccess-config (C) 2009 by Harald Welte\n");
printf("This is FREE SOFTWARE with ABSOLUTELY NO WARRANTY\n\n");
while (1) {
int c;
unsigned long ul;
char *slash;
static struct option long_options[] = {
{ "unit-id", 1, 0, 'u' },
{ "oml-ip", 1, 0, 'o' },
{ "restart", 0, 0, 'r' },
{ "help", 0, 0, 'h' },
{ "listen", 1, 0, 'l' },
};
c = getopt_long(argc, argv, "u:o:rn:l:h", long_options,
&option_index);
if (c == -1)
break;
switch (c) {
case 'u':
unit_id = optarg;
break;
case 'o':
prim_oml_ip = optarg;
break;
case 'r':
restart = 1;
break;
case 'n':
slash = strchr(optarg, '/');
if (!slash)
exit(2);
ul = strtoul(optarg, NULL, 16);
nv_flags = ul & 0xffff;
ul = strtoul(slash+1, NULL, 16);
nv_mask = ul & 0xffff;
break;
case 'l':
net_listen_testnr = atoi(optarg);
break;
case 'h':
print_usage();
print_help();
exit(0);
}
};
if (optind >= argc) {
fprintf(stderr, "you have to specify the IP address of the BTS. Use --help for more information\n");
exit(2);
}
gsmnet = gsm_network_init(1, 1, NULL);
if (!gsmnet)
exit(1);
bts = gsm_bts_alloc(gsmnet, GSM_BTS_TYPE_NANOBTS, HARDCODED_TSC,
HARDCODED_BSIC);
register_signal_handler(SS_NM, nm_sig_cb, NULL);
printf("Trying to connect to ip.access BTS ...\n");
memset(&sin, 0, sizeof(sin));
sin.sin_family = AF_INET;
inet_aton(argv[optind], &sin.sin_addr);
rc = ia_config_connect(bts, &sin);
if (rc < 0) {
perror("Error connecting to the BTS");
exit(1);
}
while (1) {
rc = bsc_select_main(0);
if (rc < 0)
exit(3);
}
exit(0);
}