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ath10k: add support for ack rssi value of data tx packets

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In WCN3990, WMI_TLV_SERVICE_TX_DATA_MGMT_ACK_RSSI service Indicates that
the firmware has the capability to send the RSSI value of the ACK for all
data and management packets transmitted.

If WMI_RSRC_CFG_FLAG_TX_ACK_RSSI is set in host capability then firmware
sends RSSI value in "data" tx completion event. Host extracts ack rssi
values of data packets from their tx completion event.

Tested HW: WCN3990
Tested FW: WLAN.HL.2.0-01617-QCAHLSWMTPLZ-1

Signed-off-by: Abhishek Ambure <aambure@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Abhishek Ambure
2019-02-25 11:45:48 +02:00
committed by Kalle Valo
parent 4b816f170b
commit 6ddc3860a5
4 changed files with 146 additions and 6 deletions
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32
drivers/net/wireless/ath/ath10k/hw.c
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@@ -1100,6 +1100,32 @@ int ath10k_hw_diag_fast_download(struct ath10k *ar,
return ret;
}
static int ath10k_htt_tx_rssi_enable(struct htt_resp *resp)
{
return (resp->data_tx_completion.flags2 & HTT_TX_CMPL_FLAG_DATA_RSSI);
}
static int ath10k_htt_tx_rssi_enable_wcn3990(struct htt_resp *resp)
{
return (resp->data_tx_completion.flags2 &
HTT_TX_DATA_RSSI_ENABLE_WCN3990);
}
static int ath10k_get_htt_tx_data_rssi_pad(struct htt_resp *resp)
{
struct htt_data_tx_completion_ext extd;
int pad_bytes = 0;
if (resp->data_tx_completion.flags2 & HTT_TX_DATA_APPEND_RETRIES)
pad_bytes += sizeof(extd.a_retries) /
sizeof(extd.msdus_rssi[0]);
if (resp->data_tx_completion.flags2 & HTT_TX_DATA_APPEND_TIMESTAMP)
pad_bytes += sizeof(extd.t_stamp) / sizeof(extd.msdus_rssi[0]);
return pad_bytes;
}
const struct ath10k_hw_ops qca988x_ops = {
.set_coverage_class = ath10k_hw_qca988x_set_coverage_class,
};
@@ -1124,6 +1150,10 @@ const struct ath10k_hw_ops qca99x0_ops = {
const struct ath10k_hw_ops qca6174_ops = {
.set_coverage_class = ath10k_hw_qca988x_set_coverage_class,
.enable_pll_clk = ath10k_hw_qca6174_enable_pll_clock,
.is_rssi_enable = ath10k_htt_tx_rssi_enable,
};
const struct ath10k_hw_ops wcn3990_ops = {};
const struct ath10k_hw_ops wcn3990_ops = {
.tx_data_rssi_pad_bytes = ath10k_get_htt_tx_data_rssi_pad,
.is_rssi_enable = ath10k_htt_tx_rssi_enable_wcn3990,
};