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qcacmn: Fix wrong rssi in monitor mode

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If ppdu rssi unit is dbm, need convert to db for API:
qdf_nbuf_update_radiotap, only need convert once for first mdpu in the
ppdu. if convert for each mpdu, wrong rssi will be saved.

Change-Id: I85e92121ddb289e3513022ff092083825197efb4
CRs-Fixed: 3057041
This commit is contained in:
Jianmin Zhu 2021-10-26 15:06:46 +08:00 • committed by Madan Koyyalamudi
commit 871a0512ab
2 changed files with 9 additions and 24 deletions
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23
dp/wifi3.0/dp_rx_mon_dest.c
View file

@ -1411,27 +1411,6 @@ qdf_nbuf_t dp_rx_mon_restitch_mpdu(struct dp_soc *soc, uint32_t mac_id,
}
#endif
#ifdef DP_MON_RSSI_IN_DBM
/*
* dp_rx_mon_rssi_convert(): convert rssi_comb from unit dBm to dB
* to match with radiotap further conversion requirement
* @rx_status: monitor mode rx status pointer
*
* Return: none
*/
static inline
void dp_rx_mon_rssi_convert(struct mon_rx_status *rx_status)
{
rx_status->rssi_comb = rx_status->rssi_comb -
rx_status->chan_noise_floor;
}
#else
static inline
void dp_rx_mon_rssi_convert(struct mon_rx_status *rx_status)
{
}
#endif
/*
* dp_rx_mon_deliver(): function to deliver packets to stack
* @soc: DP soc
@ -1469,8 +1448,6 @@ QDF_STATUS dp_rx_mon_deliver(struct dp_soc *soc, uint32_t mac_id,
pdev->ppdu_info.rx_status.device_id = soc->device_id;
pdev->ppdu_info.rx_status.chan_noise_floor =
pdev->chan_noise_floor;
/* convert rssi_comb from dBm to positive dB value */
dp_rx_mon_rssi_convert(&pdev->ppdu_info.rx_status);
dp_handle_tx_capture(soc, pdev, mon_mpdu);

10
qdf/linux/src/qdf_nbuf.c
View file

@ -4504,6 +4504,14 @@ static unsigned int qdf_nbuf_update_radiotap_ampdu_flags(
return rtap_len;
}
#ifdef DP_MON_RSSI_IN_DBM
#define QDF_MON_STATUS_GET_RSSI_IN_DBM(rx_status) \
(rx_status->rssi_comb)
#else
#define QDF_MON_STATUS_GET_RSSI_IN_DBM(rx_status) \
(rx_status->rssi_comb + rx_status->chan_noise_floor)
#endif
/**
* qdf_nbuf_update_radiotap() - Update radiotap header from rx_status
* @rx_status: Pointer to rx_status.
@ -4579,7 +4587,7 @@ unsigned int qdf_nbuf_update_radiotap(struct mon_rx_status *rx_status,
* rssi_comb is int dB, need to convert it to dBm.
* normalize value to noise floor of -96 dBm
*/
rtap_buf[rtap_len] = rx_status->rssi_comb + rx_status->chan_noise_floor;
rtap_buf[rtap_len] = QDF_MON_STATUS_GET_RSSI_IN_DBM(rx_status);
rtap_len += 1;
/* RX signal noise floor */