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/*
* (C) 2013,2014 by Holger Hans Peter Freyther
*
* 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 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 <osmo-bts/bts.h>
#include <osmo-bts/l1sap.h>
#include <osmo-bts/power_control.h>
#include "femtobts.h"
#include "l1_if.h"
#include "utils.h"
#include <sysmocom/femtobts/gsml1prim.h>
#include <stdio.h>
static int direct_map[][3] = {
{ GSM_BAND_850, GsmL1_FreqBand_850, 128 },
{ GSM_BAND_900, GsmL1_FreqBand_900, 1 },
{ GSM_BAND_1800, GsmL1_FreqBand_1800, 600 },
{ GSM_BAND_1900, GsmL1_FreqBand_1900, 600 },
};
static int dcs_to_dcs[][3] = {
{ GSM_BAND_900, GsmL1_FreqBand_1800, 600 },
{ GSM_BAND_1800, GsmL1_FreqBand_900, 1 },
{ GSM_BAND_900, -1, 438 },
};
static int pcs_to_pcs[][3] = {
{ GSM_BAND_850, GsmL1_FreqBand_1900, 512 },
{ GSM_BAND_1900, GsmL1_FreqBand_850, 128 },
{ GSM_BAND_900, -1, 438 },
};
static void test_sysmobts_auto_band(void)
{
struct gsm_bts bts;
struct gsm_bts_trx trx;
struct phy_instance pinst;
struct femtol1_hdl hdl;
int i;
memset(&bts, 0, sizeof(bts));
memset(&trx, 0, sizeof(trx));
memset(&pinst, 0, sizeof(pinst));
memset(&hdl, 0, sizeof(hdl));
trx.bts = &bts;
trx.pinst = &pinst;
trx.pinst->u.sysmobts.hdl = &hdl;
/* claim to support all hw_info's */
hdl.hw_info.band_support = GSM_BAND_850 | GSM_BAND_900 |
GSM_BAND_1800 | GSM_BAND_1900;
/* start with the current option */
printf("Testing the no auto-band mapping.\n");
for (i = 0; i < ARRAY_SIZE(direct_map); ++i) {
uint16_t arfcn;
int res;
bts.auto_band = 0;
bts.band = direct_map[i][0];
arfcn = direct_map[i][2];
res = sysmobts_select_femto_band(&trx, arfcn);
printf("No auto-band band(%d) arfcn(%u) want(%d) got(%d)\n",
bts.band, arfcn, direct_map[i][1], res);
OSMO_ASSERT(res == direct_map[i][1]);
}
/* Check if auto-band does not break things */
printf("Checking the mapping with auto-band.\n");
for (i = 0; i < ARRAY_SIZE(direct_map); ++i) {
uint16_t arfcn;
int res;
bts.auto_band = 1;
bts.band = direct_map[i][0];
arfcn = direct_map[i][2];
res = sysmobts_select_femto_band(&trx, arfcn);
printf("Auto-band band(%d) arfcn(%u) want(%d) got(%d)\n",
bts.band, arfcn, direct_map[i][1], res);
OSMO_ASSERT(res == direct_map[i][1]);
}
/* Check DCS to DCS change */
printf("Checking DCS to DCS\n");
for (i = 0; i < ARRAY_SIZE(dcs_to_dcs); ++i) {
uint16_t arfcn;
int res;
bts.auto_band = 1;
bts.band = dcs_to_dcs[i][0];
arfcn = dcs_to_dcs[i][2];
res = sysmobts_select_femto_band(&trx, arfcn);
printf("DCS to DCS band(%d) arfcn(%u) want(%d) got(%d)\n",
bts.band, arfcn, dcs_to_dcs[i][1], res);
OSMO_ASSERT(res == dcs_to_dcs[i][1]);
}
/* Check for a PCS to PCS change */
printf("Checking PCS to PCS\n");
for (i = 0; i < ARRAY_SIZE(pcs_to_pcs); ++i) {
uint16_t arfcn;
int res;
bts.auto_band = 1;
bts.band = pcs_to_pcs[i][0];
arfcn = pcs_to_pcs[i][2];
res = sysmobts_select_femto_band(&trx, arfcn);
printf("PCS to PCS band(%d) arfcn(%u) want(%d) got(%d)\n",
bts.band, arfcn, pcs_to_pcs[i][1], res);
OSMO_ASSERT(res == pcs_to_pcs[i][1]);
}
}
static void test_sysmobts_cipher(void)
{
static const uint8_t cipher_cmd[] = {
0x03, 0x00, 0x0d, 0x06, 0x35, 0x11, 0x2b, 0x2b,
0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b,
0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b };
static const uint8_t too_early_classmark[] = {
0x01, 0x00, 0x4d, 0x06, 0x16, 0x03, 0x30, 0x18,
0xa2, 0x20, 0x0b, 0x60, 0x14, 0x4c, 0xa7, 0x7b,
0x29, 0x11, 0xdc, 0x40, 0x04, 0x00, 0x2b };
static const uint8_t first_ciphered_cipher_cmpl[] = {
0x01, 0x30, 0x4d, 0x06, 0x16, 0x03, 0x30, 0x18,
0xa2, 0x20, 0x0b, 0x60, 0x14, 0x4c, 0xa7, 0x7b,
0x29, 0x11, 0xdc, 0x40, 0x04, 0x00, 0x2b };
struct gsm_lchan lchan;
struct femtol1_hdl fl1h;
struct msgb *msg;
GsmL1_MsgUnitParam_t unit;
int rc;
memset(&lchan, 0, sizeof(lchan));
memset(&fl1h, 0, sizeof(fl1h));
/* Inject the cipher mode command */
msg = msgb_alloc_headroom(128, 64, "ciphering mode command");
lchan.ciph_state = LCHAN_CIPH_NONE;
memcpy(msgb_put(msg, ARRAY_SIZE(cipher_cmd)), cipher_cmd, ARRAY_SIZE(cipher_cmd));
rc = bts_check_for_ciph_cmd(&fl1h, msg, &lchan);
OSMO_ASSERT(rc == 1);
OSMO_ASSERT(lchan.ciph_state == LCHAN_CIPH_RX_REQ);
OSMO_ASSERT(lchan.ciph_ns == 1);
msgb_free(msg);
/* Move to the confirmed state */
lchan.ciph_state = LCHAN_CIPH_RX_CONF;
/* Handle message sent before ciphering was received */
memcpy(&unit.u8Buffer[0], too_early_classmark, ARRAY_SIZE(too_early_classmark));
unit.u8Size = ARRAY_SIZE(too_early_classmark);
rc = bts_check_for_first_ciphrd(&lchan, unit.u8Buffer, unit.u8Size);
OSMO_ASSERT(rc == 0);
OSMO_ASSERT(lchan.ciph_state == LCHAN_CIPH_RX_CONF);
/* Now send the first ciphered message */
memcpy(&unit.u8Buffer[0], first_ciphered_cipher_cmpl, ARRAY_SIZE(first_ciphered_cipher_cmpl));
unit.u8Size = ARRAY_SIZE(first_ciphered_cipher_cmpl);
rc = bts_check_for_first_ciphrd(&lchan, unit.u8Buffer, unit.u8Size);
OSMO_ASSERT(rc == 1);
/* we cannot test for lchan.ciph_state == * LCHAN_CIPH_RX_CONF_TX_REQ, as
* this happens asynchronously on the other side of the l1sap queue */
}
int main(int argc, char **argv)
{
printf("Testing sysmobts routines\n");
test_sysmobts_auto_band();
test_sysmobts_cipher();
return 0;
}
/*
* some local stubs. We need to pull in a lot more code and can't
* use the generic stubs unless we make all of them weak
*/
void bts_update_status(enum bts_global_status which, int on)
{}
int bts_model_init(struct gsm_bts *bts)
{ return 0; }
int bts_model_trx_init(struct gsm_bts_trx *trx)
{ return 0; }
int bts_model_oml_estab(struct gsm_bts *bts)
{ return 0; }
void bts_model_abis_close(struct gsm_bts *bts)
{ }
void bts_model_phy_link_set_defaults(struct phy_link *plink)
{ }
void bts_model_phy_instance_set_defaults(struct phy_instance *pinst)
{ }
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