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osmo-msc
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patch the SI and NM attr tables independently

This commit is contained in:
Harald Welte 2009-08-12 21:45:02 +02:00
parent 37a7d361f4
commit 000c0f44f3
1 changed files with 39 additions and 23 deletions
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62
openbsc/src/bsc_hack.c
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@ -63,6 +63,8 @@ static const char *database_name = "hlr.sqlite3";
static const char *config_file = "openbsc.cfg";
extern int ipacc_rtp_direct;
static void patch_nm_tables(struct gsm_bts *bts);
static void patch_si_tables(struct gsm_bts *bts);
/* The following definitions are for OM and NM packets that we cannot yet
* generate by code but we just pass on */
@ -390,6 +392,7 @@ int nm_state_event(enum nm_evt evt, u_int8_t obj_class, void *obj,
case NM_OC_BTS:
bts = obj;
if (new_state->availability == 5) {
patch_nm_tables(bts);
abis_nm_set_bts_attr(bts, nanobts_attr_bts,
sizeof(nanobts_attr_bts));
abis_nm_opstart(bts, NM_OC_BTS,
@ -444,6 +447,7 @@ static int sw_activ_rep(struct msgb *mb)
NM_STATE_UNLOCKED);
break;
case NM_OC_RADIO_CARRIER:
patch_nm_tables(trx->bts);
abis_nm_set_radio_attr(trx, nanobts_attr_radio,
sizeof(nanobts_attr_radio));
abis_nm_opstart(trx->bts, NM_OC_RADIO_CARRIER,
@ -514,6 +518,8 @@ static void nm_reconfig_trx(struct gsm_bts_trx *trx)
struct gsm_e1_subslot *e1l = &trx->rsl_e1_link;
int i;
patch_nm_tables(trx->bts);
switch (trx->bts->type) {
case GSM_BTS_TYPE_BS11:
/* FIXME: discover this by fetching an attribute */
@ -876,10 +882,41 @@ static int set_system_infos(struct gsm_bts_trx *trx)
* Patch the various SYSTEM INFORMATION tables to update
* the LAI
*/
static void patch_tables(struct gsm_bts *bts)
static void patch_nm_tables(struct gsm_bts *bts)
{
u_int8_t arfcn_low = bts->c0->arfcn & 0xff;
u_int8_t arfcn_high = (bts->c0->arfcn >> 8) & 0x0f;
/* patch ARFCN into BTS Attributes */
bs11_attr_bts[69] &= 0xf0;
bs11_attr_bts[69] |= arfcn_high;
bs11_attr_bts[70] = arfcn_low;
nanobts_attr_bts[42] &= 0xf0;
nanobts_attr_bts[42] |= arfcn_high;
nanobts_attr_bts[43] = arfcn_low;
/* patch ARFCN into TRX Attributes */
bs11_attr_radio[2] &= 0xf0;
bs11_attr_radio[2] |= arfcn_high;
bs11_attr_radio[3] = arfcn_low;
nanobts_attr_radio[5] &= 0xf0;
nanobts_attr_radio[5] |= arfcn_high;
nanobts_attr_radio[6] = arfcn_low;
/* patch BSIC */
bs11_attr_bts[1] = bts->bsic;
nanobts_attr_bts[sizeof(nanobts_attr_bts)-1] = bts->bsic;
}
/*
* Patch the various SYSTEM INFORMATION tables to update
* the LAI
*/
static void patch_si_tables(struct gsm_bts *bts)
{
u_int8_t arfcn_low = bts->c0->arfcn & 0xff;
u_int8_t arfcn_high = (bts->c0->arfcn >> 8) & 0x0f;
/* covert the raw packet to the struct */
struct gsm48_system_information_type_1 *type_1 =
(struct gsm48_system_information_type_1*)&si1;
@ -902,22 +939,6 @@ static void patch_tables(struct gsm_bts *bts)
type_4->lai = lai;
type_6->lai = lai;
/* patch ARFCN into BTS Attributes */
bs11_attr_bts[69] &= 0xf0;
bs11_attr_bts[69] |= arfcn_high;
bs11_attr_bts[70] = arfcn_low;
nanobts_attr_bts[42] &= 0xf0;
nanobts_attr_bts[42] |= arfcn_high;
nanobts_attr_bts[43] = arfcn_low;
/* patch ARFCN into TRX Attributes */
bs11_attr_radio[2] &= 0xf0;
bs11_attr_radio[2] |= arfcn_high;
bs11_attr_radio[3] = arfcn_low;
nanobts_attr_radio[5] &= 0xf0;
nanobts_attr_radio[5] |= arfcn_high;
nanobts_attr_radio[6] = arfcn_low;
type_4->data[2] &= 0xf0;
type_4->data[2] |= arfcn_high;
type_4->data[3] = arfcn_low;
@ -925,10 +946,6 @@ static void patch_tables(struct gsm_bts *bts)
/* patch Control Channel Description 10.5.2.11 */
type_3->control_channel_desc = bts->chan_desc;
/* patch BSIC */
bs11_attr_bts[1] = bts->bsic;
nanobts_attr_bts[sizeof(nanobts_attr_bts)-1] = bts->bsic;
/* patch TSC */
si4[15] &= ~0xe0;
si4[15] |= (bts->tsc & 7) << 5;
@ -957,6 +974,7 @@ static void bootstrap_rsl(struct gsm_bts_trx *trx)
"using MCC=%u MNC=%u BSIC=%u TSC=%u\n",
trx->bts->nr, trx->nr, gsmnet->country_code,
gsmnet->network_code, trx->bts->bsic, trx->bts->tsc);
patch_si_tables(trx->bts);
set_system_infos(trx);
}
@ -1013,8 +1031,6 @@ static int bootstrap_bts(struct gsm_bts *bts)
bts->chan_desc.bs_pa_mfrms = RSL_BS_PA_MFRMS_5;
bts->chan_desc.t3212 = 0;
patch_tables(bts);
paging_init(bts);
return 0;