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ip.access: Introduce parser function for BCCH Info test result

This commit is contained in:
Harald Welte 2009-11-12 14:48:42 +01:00
parent ccda96517c
commit 0f255857d4
2 changed files with 147 additions and 0 deletions
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45
openbsc/include/openbsc/abis_nm.h
View File

@ -660,6 +660,49 @@ enum abis_nm_ipacc_testres_ie {
NM_IPACC_TR_IE_FREQ_ERR = 18,
};
enum ipac_eie {
NM_IPAC_EIE_ARFCN_WHITE = 0x01,
NM_IPAC_EIE_ARFCH_BLACK = 0x02,
NM_IPAC_EIE_FREQ_ERR_LIST = 0x03,
NM_IPAC_EIE_CHAN_USE_LIST = 0x04,
NM_IPAC_EIE_BCCH_INFO_TYPE = 0x05,
NM_IPAC_EIE_BCCH_INFO = 0x06,
/* FIXME */
};
enum ipac_bcch_info_type {
IPAC_BINF_RXLEV = (1 << 8),
IPAC_BINF_RXQUAL = (1 << 9),
IPAC_BINF_FREQ_ERR_QUAL = (1 << 10),
IPAC_BINF_FRAME_OFFSET = (1 << 11),
IPAC_BINF_FRAME_NR_OFFSET = (1 << 12),
IPAC_BINF_BSIC = (1 << 13),
IPAC_BINF_CGI = (1 << 14),
IPAC_BINF_NEIGH_BA_SI2 = (1 << 15),
IPAC_BINF_NEIGH_BA_SI2bis = (1 << 0),
IPAC_BINF_NEIGH_BA_SI2ter = (1 << 1),
IPAC_BINF_CELL_ALLOC = (1 << 2),
};
/* The BCCH info from an ip.access test, in host byte order
* and already parsed... */
struct ipac_bcch_info {
u_int16_t info_type;
u_int8_t freq_qual;
u_int16_t arfcn;
u_int8_t rx_lev;
u_int8_t rx_qual;
u_int16_t freq_err;
u_int16_t frame_offset;
u_int32_t frame_nr_offset;
u_int8_t bsic;
u_int8_t cgi[7];
u_int8_t ba_list_si2[16];
u_int8_t ba_list_si2bis[16];
u_int8_t ba_list_si2ter[16];
u_int8_t ca_list_si1[16];
};
/* PUBLIC */
struct msgb;
@ -754,6 +797,8 @@ int abis_nm_ipaccess_set_attr(struct gsm_bts *bts, u_int8_t obj_class,
u_int8_t *attr, u_int8_t attr_len);
int abis_nm_ipaccess_rsl_connect(struct gsm_bts_trx *trx,
u_int32_t ip, u_int16_t port, u_int8_t stream);
int ipac_parse_bcch_info(struct ipac_bcch_info *binf, u_int8_t *buf);
const char *ipacc_testres_name(u_int8_t res);
/* Functions calling into other code parts */
enum nm_evt {

102
openbsc/src/abis_nm.c
View File

@ -572,6 +572,18 @@ const char *nm_avail_name(u_int8_t avail)
return avail_names[avail];
}
static struct value_string test_names[] = {
/* FIXME: standard test names */
{ NM_IPACC_TESTNO_CHAN_USAGE, "Channel Usage" },
{ NM_IPACC_TESTNO_BCCH_CHAN_USAGE, "BCCH Channel Usage" },
{ NM_IPACC_TESTNO_FREQ_SYNC, "Frequency Synchronization" },
{ NM_IPACC_TESTNO_BCCH_INFO, "BCCH Info" },
{ NM_IPACC_TESTNO_TX_BEACON, "Transmit Beacon" },
{ NM_IPACC_TESTNO_SYSINFO_MONITOR, "System Info Monitor" },
{ NM_IPACC_TESTNO_BCCCH_MONITOR, "BCCH Monitor" },
{ 0, NULL }
};
const char *nm_adm_name(u_int8_t adm)
{
switch (adm) {
@ -2672,3 +2684,93 @@ int abis_nm_ipaccess_set_attr(struct gsm_bts *bts, u_int8_t obj_class,
obj_class, bts_nr, trx_nr, ts_nr,
attr, attr_len);
}
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";
}
/* parse BCCH information IEI from wire format to struct ipac_bcch_info */
int ipac_parse_bcch_info(struct ipac_bcch_info *binf, u_int8_t *buf)
{
u_int8_t *cur = buf;
u_int16_t len;
memset(binf, 0, sizeof(binf));
if (cur[0] != NM_IPAC_EIE_BCCH_INFO)
return -EINVAL;
cur++;
len = ntohs(*(u_int16_t *)cur);
cur += 2;
binf->info_type = ntohs(*(u_int16_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(*(u_int16_t *)cur);
cur += 2;
if (binf->info_type & IPAC_BINF_FRAME_OFFSET)
binf->frame_offset = ntohs(*(u_int16_t *)cur);
cur += 2;
if (binf->info_type & IPAC_BINF_FRAME_NR_OFFSET)
binf->frame_nr_offset = ntohl(*(u_int32_t *)cur);
cur += 4;
if (binf->info_type & IPAC_BINF_BSIC)
binf->bsic = *cur++ & 0x3f;
cur++;
memcpy(binf->cgi, cur, sizeof(binf->cgi));
cur += sizeof(binf->cgi);
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;
}