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osmo-msc
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Add parsing of 'L1 information' IE of MEASUREMENT RESULT

This commit is contained in:
Harald Welte 2009-06-20 18:44:35 +02:00
parent a8f0c578c0
commit d05559ea18
1 changed files with 43 additions and 2 deletions
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45
openbsc/src/abis_rsl.c
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@ -418,6 +418,41 @@ static int ms_pwr_ctl_lvl(struct gsm_bts *bts, unsigned int dbm)
return -EINVAL;
}
static int ms_pwr_dbm(enum gsm_band band, u_int8_t lvl)
{
lvl &= 0x1f;
switch (band) {
case GSM_BAND_400:
case GSM_BAND_900:
case GSM_BAND_850:
if (lvl < 2)
return 39;
else if (lvl < 20)
return 39 - ((lvl - 2) * 2) ;
else
return 5;
break;
case GSM_BAND_1800:
if (lvl < 16)
return 30 - (lvl * 2);
else if (lvl < 29)
return 0;
else
return 36 - ((lvl - 29) * 2);
break;
case GSM_BAND_1900:
if (lvl < 16)
return 30 - (lvl * 2);
else if (lvl < 30)
return -EINVAL;
else
return 33 - (lvl - 30);
break;
}
return -EINVAL;
}
int rsl_chan_ms_power_ctrl(struct gsm_lchan *lchan, unsigned int fpc, int dbm)
{
struct abis_rsl_dchan_hdr *dh;
@ -809,8 +844,14 @@ static int rsl_rx_meas_res(struct msgb *msg)
if (TLVP_PRESENT(&tp, RSL_IE_MS_TIMING_OFFSET))
DEBUGPC(DRSL, "MS_TO=%d ",
*TLVP_VAL(&tp, RSL_IE_MS_TIMING_OFFSET));
if (TLVP_PRESENT(&tp, RSL_IE_L1_INFO))
DEBUGPC(DRSL, "L1 ");
if (TLVP_PRESENT(&tp, RSL_IE_L1_INFO)) {
u_int8_t *val = TLVP_VAL(&tp, RSL_IE_L1_INFO);
u_int8_t pwr_lvl = val[0] >> 3;
DEBUGPC(DRSL, "L1_MS_PWR=%ddBm ",
ms_pwr_dbm(msg->trx->bts->band, pwr_lvl));
DEBUGPC(DRSL, "L1_FPC=%u ", val[0] & 0x04 ? 1 : 0);
DEBUGPC(DRSL, "L1_TA=%u ", val[1]);
}
if (TLVP_PRESENT(&tp, RSL_IE_L3_INFO)) {
DEBUGPC(DRSL, "L3\n");
msg->l3h = TLVP_VAL(&tp, RSL_IE_L3_INFO);