10.2.4.70.24 firmware introduces new feature to set TSF
via vdev parameter, hence implement relevant function.
set_tsf function can be used to shift TBTT that will
help avoid its clockdrift which happens when beacons
are collided.
Signed-off-by: Peter Oh <p...@qca.qualcomm.com>
---
drivers/net/wireless/ath/ath10k/mac.c | 27 +++++++++++++++++++++++++++
drivers/net/wireless/ath/ath10k/wmi-tlv.c | 1 +
drivers/net/wireless/ath/ath10k/wmi.c | 4 ++++
drivers/net/wireless/ath/ath10k/wmi.h | 2 ++
4 files changed, 34 insertions(+)
diff --git a/drivers/net/wireless/ath/ath10k/mac.c
b/drivers/net/wireless/ath/ath10k/mac.c
index 20d72e2..595cd96 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -6796,6 +6796,32 @@ static u64 ath10k_get_tsf(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
return 0;
}
+static void ath10k_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ u64 tsf)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
+ u32 tsf_offset, vdev_param = ar->wmi.vdev_param->set_tsf;
+ int ret;
+
+ /* Workaround:
+ *
+ * Given tsf argument is entire TSF value, but firmware accepts
+ * only TSF offset to current TSF.
+ *
+ * get_tsf function is used to get offset value, however since
+ * ath10k_get_tsf is not implemented properly, it will return 0 always.
+ * Luckily all the caller functions to set_tsf, as of now, also rely on
+ * get_tsf function to get entire tsf value such get_tsf() + tsf_delta,
+ * final tsf offset value to firmware will be arithmetically correct.
+ */
+ tsf_offset = tsf - ath10k_get_tsf(hw, vif);
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id,
+ vdev_param, tsf_offset);
+ if (ret && ret != -EOPNOTSUPP)
+ ath10k_warn(ar, "failed to set tsf offset: %d\n", ret);
+}
+
static int ath10k_ampdu_action(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_ampdu_params *params)
@@ -7252,6 +7278,7 @@ static const struct ieee80211_ops ath10k_ops = {
.set_bitrate_mask = ath10k_mac_op_set_bitrate_mask,
.sta_rc_update = ath10k_sta_rc_update,
.get_tsf = ath10k_get_tsf,
+ .set_tsf = ath10k_set_tsf,
.ampdu_action = ath10k_ampdu_action,
.get_et_sset_count = ath10k_debug_get_et_sset_count,
.get_et_stats = ath10k_debug_get_et_stats,
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 1085932..e09337e 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -3409,6 +3409,7 @@ static struct wmi_vdev_param_map wmi_tlv_vdev_param_map =
{
.meru_vc = WMI_VDEV_PARAM_UNSUPPORTED,
.rx_decap_type = WMI_VDEV_PARAM_UNSUPPORTED,
.bw_nss_ratemask = WMI_VDEV_PARAM_UNSUPPORTED,
+ .set_tsf = WMI_VDEV_PARAM_UNSUPPORTED,
};
static const struct wmi_ops wmi_tlv_ops = {
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c
b/drivers/net/wireless/ath/ath10k/wmi.c
index f7ec65f..db3e9a4 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -781,6 +781,7 @@ static struct wmi_vdev_param_map wmi_vdev_param_map = {
.meru_vc = WMI_VDEV_PARAM_UNSUPPORTED,
.rx_decap_type = WMI_VDEV_PARAM_UNSUPPORTED,
.bw_nss_ratemask = WMI_VDEV_PARAM_UNSUPPORTED,
+ .set_tsf = WMI_VDEV_PARAM_UNSUPPORTED,
};
/* 10.X WMI VDEV param map */
@@ -856,6 +857,7 @@ static struct wmi_vdev_param_map wmi_10x_vdev_param_map = {
.meru_vc = WMI_VDEV_PARAM_UNSUPPORTED,
.rx_decap_type = WMI_VDEV_PARAM_UNSUPPORTED,
.bw_nss_ratemask = WMI_VDEV_PARAM_UNSUPPORTED,
+ .set_tsf = WMI_VDEV_PARAM_UNSUPPORTED,
};
static struct wmi_vdev_param_map wmi_10_2_4_vdev_param_map = {
@@ -930,6 +932,7 @@ static struct wmi_vdev_param_map wmi_10_2_4_vdev_param_map
= {
.meru_vc = WMI_VDEV_PARAM_UNSUPPORTED,
.rx_decap_type = WMI_VDEV_PARAM_UNSUPPORTED,
.bw_nss_ratemask = WMI_VDEV_PARAM_UNSUPPORTED,
+ .set_tsf = WMI_10X_VDEV_PARAM_TSF_INCREMENT,
};
static struct wmi_vdev_param_map wmi_10_4_vdev_param_map = {
@@ -1005,6 +1008,7 @@ static struct wmi_vdev_param_map wmi_10_4_vdev_param_map
= {
.meru_vc = WMI_10_4_VDEV_PARAM_MERU_VC,
.rx_decap_type = WMI_10_4_VDEV_PARAM_RX_DECAP_TYPE,
.bw_nss_ratemask = WMI_10_4_VDEV_PARAM_BW_NSS_RATEMASK,
+ .set_tsf = WMI_VDEV_PARAM_UNSUPPORTED,
};
static struct wmi_pdev_param_map wmi_pdev_param_map = {
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h
b/drivers/net/wireless/ath/ath10k/wmi.h
index feebd19..8225d90 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -4630,6 +4630,7 @@ struct wmi_vdev_param_map {
u32 meru_vc;
u32 rx_decap_type;
u32 bw_nss_ratemask;
+ u32 set_tsf;
};
#define WMI_VDEV_PARAM_UNSUPPORTED 0
@@ -4886,6 +4887,7 @@ enum wmi_10x_vdev_param {
WMI_10X_VDEV_PARAM_RTS_FIXED_RATE,
WMI_10X_VDEV_PARAM_VHT_SGIMASK,
WMI_10X_VDEV_PARAM_VHT80_RATEMASK,
+ WMI_10X_VDEV_PARAM_TSF_INCREMENT,
};
enum wmi_10_4_vdev_param {
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
