6.17-stable review patch. If anyone has any objections, please let me know.
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From: Kang Yang kang.yang@oss.qualcomm.com
[ Upstream commit 7695fa71c1d50a375e54426421acbc8d457bc5a3 ]
Currently, host fetches combined rssi from rssi_comb in struct hal_rx_phyrx_rssi_legacy_info.
rssi_comb is 8th to 15th bits of the second to last variable. rssi_comb_ppdu is the 0th to 7th of the last variable.
When bandwidth = 20MHz, rssi_comb = rssi_comb_ppdu. But when bandwidth > 20MHz, rssi_comb < rssi_comb_ppdu because rssi_comb only includes power of primary 20 MHz while rssi_comb_ppdu includes power of active RUs/subchannels. So should fetch combined rssi from rssi_comb_ppdu.
Also related macro definitions are too long, rename them.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1
Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices") Signed-off-by: Kang Yang kang.yang@oss.qualcomm.com Reviewed-by: Baochen Qiang baochen.qiang@oss.qualcomm.com Reviewed-by: Vasanthakumar Thiagarajan vasanthakumar.thiagarajan@oss.qualcomm.com Link: https://patch.msgid.link/20250722095934.67-4-kang.yang@oss.qualcomm.com Signed-off-by: Jeff Johnson jeff.johnson@oss.qualcomm.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/ath/ath12k/dp_mon.c | 8 ++++---- drivers/net/wireless/ath/ath12k/hal_rx.h | 9 +++++---- 2 files changed, 9 insertions(+), 8 deletions(-)
diff --git a/drivers/net/wireless/ath/ath12k/dp_mon.c b/drivers/net/wireless/ath/ath12k/dp_mon.c index e93ede5e6197c..abd611ac37f06 100644 --- a/drivers/net/wireless/ath/ath12k/dp_mon.c +++ b/drivers/net/wireless/ath/ath12k/dp_mon.c @@ -1655,18 +1655,18 @@ ath12k_dp_mon_rx_parse_status_tlv(struct ath12k *ar, const struct hal_rx_phyrx_rssi_legacy_info *rssi = tlv_data;
info[0] = __le32_to_cpu(rssi->info0); - info[1] = __le32_to_cpu(rssi->info1); + info[2] = __le32_to_cpu(rssi->info2);
/* TODO: Please note that the combined rssi will not be accurate * in MU case. Rssi in MU needs to be retrieved from * PHYRX_OTHER_RECEIVE_INFO TLV. */ ppdu_info->rssi_comb = - u32_get_bits(info[1], - HAL_RX_PHYRX_RSSI_LEGACY_INFO_INFO1_RSSI_COMB); + u32_get_bits(info[2], + HAL_RX_RSSI_LEGACY_INFO_INFO2_RSSI_COMB_PPDU);
ppdu_info->bw = u32_get_bits(info[0], - HAL_RX_PHYRX_RSSI_LEGACY_INFO_INFO0_RX_BW); + HAL_RX_RSSI_LEGACY_INFO_INFO0_RX_BW); break; } case HAL_PHYRX_COMMON_USER_INFO: { diff --git a/drivers/net/wireless/ath/ath12k/hal_rx.h b/drivers/net/wireless/ath/ath12k/hal_rx.h index 801a5f6d3458b..d1ad7747b82c4 100644 --- a/drivers/net/wireless/ath/ath12k/hal_rx.h +++ b/drivers/net/wireless/ath/ath12k/hal_rx.h @@ -483,15 +483,16 @@ enum hal_rx_ul_reception_type { HAL_RECEPTION_TYPE_FRAMELESS };
-#define HAL_RX_PHYRX_RSSI_LEGACY_INFO_INFO0_RECEPTION GENMASK(3, 0) -#define HAL_RX_PHYRX_RSSI_LEGACY_INFO_INFO0_RX_BW GENMASK(7, 5) -#define HAL_RX_PHYRX_RSSI_LEGACY_INFO_INFO1_RSSI_COMB GENMASK(15, 8) +#define HAL_RX_RSSI_LEGACY_INFO_INFO0_RECEPTION GENMASK(3, 0) +#define HAL_RX_RSSI_LEGACY_INFO_INFO0_RX_BW GENMASK(7, 5) +#define HAL_RX_RSSI_LEGACY_INFO_INFO1_RSSI_COMB GENMASK(15, 8) +#define HAL_RX_RSSI_LEGACY_INFO_INFO2_RSSI_COMB_PPDU GENMASK(7, 0)
struct hal_rx_phyrx_rssi_legacy_info { __le32 info0; __le32 rsvd0[39]; __le32 info1; - __le32 rsvd1; + __le32 info2; } __packed;
#define HAL_RX_MPDU_START_INFO0_PPDU_ID GENMASK(31, 16)