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ath10k: implement offset_tsf ieee80211_op

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Current set_tsf is implemented in terms of TSF_INCREMENT
only. Instead support new WMI command TSF_DECREMENT and
export these through offset_tsf. Advantage is we get
more accurate TSF adjustments, and don't calculate wrong
offset in case absolute TSF was calculated from rx_mactime
(actual TSF).

The new WMI command is available in firmware
10.4-3.2.1-00033 for QCA4019 chips. Old drivers on new
firmware or vice versa shouldn't  be a problem since
get/set tsf logic was already broken.

Signed-off-by: Thomas Pedersen <twp@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Pedersen, Thomas
2016-09-28 16:56:29 -07:00
committed by Kalle Valo
parent ff32eeb86a
commit 973324fff1
3 changed files with 34 additions and 0 deletions
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7
drivers/net/wireless/ath/ath10k/wmi.h
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@@ -4677,6 +4677,8 @@ struct wmi_vdev_param_map {
u32 rx_decap_type;
u32 bw_nss_ratemask;
u32 set_tsf;
u32 inc_tsf;
u32 dec_tsf;
};
#define WMI_VDEV_PARAM_UNSUPPORTED 0
@@ -5009,6 +5011,11 @@ enum wmi_10_4_vdev_param {
WMI_10_4_VDEV_PARAM_STA_KICKOUT,
WMI_10_4_VDEV_PARAM_CAPABILITIES,
WMI_10_4_VDEV_PARAM_TSF_INCREMENT,
WMI_10_4_VDEV_PARAM_RX_FILTER,
WMI_10_4_VDEV_PARAM_MGMT_TX_POWER,
WMI_10_4_VDEV_PARAM_ATF_SSID_SCHED_POLICY,
WMI_10_4_VDEV_PARAM_DISABLE_DYN_BW_RTS,
WMI_10_4_VDEV_PARAM_TSF_DECREMENT,
};
#define WMI_VDEV_PARAM_TXBF_SU_TX_BFEE BIT(0)