Add support to print Transmit Power Control Stats. Add support for basic
infrastructure necessary for enabling TPC stats via debugfs. This patch
series brings support to request stats type from firmware and dump the
corresponding stats.
Schema for an ath12k device:
ath12k
-- pci-0000:06:00.0
-- mac0
-- tpc_stats
-- tpc_stats_type
Sample TPC logs:
*************** TPC config **************
* powers are in 0.25 dBm steps
reg domain-22 chan freq-5955
power limit-126 max reg-domain Power-252
No.of tx chain-4 No.of rates-1164
**************** SU WITH TXBF ****************
TPC values for Active chains
Rate idx Preamble Rate code 1-Chain 2-Chain 3-Chain 4-Chain
4 OFDM 0x000 39 15 1 -9
5 OFDM 0x001 39 15 1 -9
.....
12 HT20 0x200 40 16 2 -8
13 HT20 0x201 40 16 2 -8
.....
44 HT40 0x200 88 88 88 88
45 HT40 0x201 88 88 88 88
.....
76 VHT20 0x300 40 16 2 -8
77 VHT20 0x301 40 16 2 -8
.....
172 VHT40 0x300 88 88 88 88
173 VHT40 0x301 88 88 88 88
.....
Note:
MCC firmware version -
WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 does not print stats
because MCC firmware will not respond to the event passed from host,
resulting in timeout.
v2:
- Fixed compilation issues in v1.
Sowmiya Sree Elavalagan (2):
wifi: ath12k: Add Support to Parse TPC Event from Firmware
wifi: ath12k: Add Support to Calculate and Display TPC Values
drivers/net/wireless/ath/ath12k/core.h | 5 +
drivers/net/wireless/ath/ath12k/debugfs.c | 716 ++++++++++++++++++++++
drivers/net/wireless/ath/ath12k/debugfs.h | 85 +++
drivers/net/wireless/ath/ath12k/wmi.c | 458 ++++++++++++++
drivers/net/wireless/ath/ath12k/wmi.h | 139 +++++
5 files changed, 1403 insertions(+)
base-commit: 09fa3b6974a1245ddd0751747609431494ba5b4f
--
2.25.1
