2020-05-04 16:39:33

by Tamizh chelvam

[permalink] [raw]
Subject: [PATCH] ath11k: Add support to reset htt peer stats

From: Ashok Raj Nagarajan <[email protected]>

This patch add supports to reset the per peer htt stats.

Usage:

echo 1 > /sys/kernel/debug/ieee80211/phyX/netdev:wlanX/stations/<peer MAC addr>/htt_peer_stats_reset

While doing so, sync the wmi services between FW and host.

Signed-off-by: Ashok Raj Nagarajan <[email protected]>
Signed-off-by: Tamizh Chelvam <[email protected]>
---
drivers/net/wireless/ath/ath11k/debug.h | 2 +
drivers/net/wireless/ath/ath11k/debugfs_sta.c | 67 +++++++++++++++++++++++++++
drivers/net/wireless/ath/ath11k/wmi.h | 37 +++++++++++++++
3 files changed, 106 insertions(+)

diff --git a/drivers/net/wireless/ath/ath11k/debug.h b/drivers/net/wireless/ath/ath11k/debug.h
index 45454fc..f8aa48e 100644
--- a/drivers/net/wireless/ath/ath11k/debug.h
+++ b/drivers/net/wireless/ath/ath11k/debug.h
@@ -80,6 +80,8 @@ struct ath_pktlog_hdr {
u8 payload[0];
};

+#define ATH11K_HTT_PEER_STATS_RESET BIT(16)
+
#define ATH11K_HTT_STATS_BUF_SIZE (1024 * 512)
#define ATH11K_FW_STATS_BUF_SIZE (1024 * 1024)

diff --git a/drivers/net/wireless/ath/ath11k/debugfs_sta.c b/drivers/net/wireless/ath/ath11k/debugfs_sta.c
index 68963cf..6b720ee 100644
--- a/drivers/net/wireless/ath/ath11k/debugfs_sta.c
+++ b/drivers/net/wireless/ath/ath11k/debugfs_sta.c
@@ -8,6 +8,8 @@
#include "core.h"
#include "peer.h"
#include "debug.h"
+#include "dp_tx.h"
+#include "debug_htt_stats.h"

void
ath11k_accumulate_per_peer_tx_stats(struct ath11k_sta *arsta,
@@ -749,6 +751,66 @@ static ssize_t ath11k_dbg_sta_write_aggr_mode(struct file *file,
.llseek = default_llseek,
};

+static ssize_t
+ath11k_write_htt_peer_stats_reset(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_sta *sta = file->private_data;
+ struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k *ar = arsta->arvif->ar;
+ struct htt_ext_stats_cfg_params cfg_params = { 0 };
+ int ret;
+ u8 type;
+
+ ret = kstrtou8_from_user(user_buf, count, 0, &type);
+ if (ret)
+ return ret;
+
+ if (!type)
+ return ret;
+
+ mutex_lock(&ar->conf_mutex);
+ cfg_params.cfg0 = HTT_STAT_PEER_INFO_MAC_ADDR;
+ cfg_params.cfg0 |= FIELD_PREP(GENMASK(15, 1),
+ HTT_PEER_STATS_REQ_MODE_FLUSH_TQM);
+
+ cfg_params.cfg1 = HTT_STAT_DEFAULT_PEER_REQ_TYPE;
+
+ cfg_params.cfg2 |= FIELD_PREP(GENMASK(7, 0), sta->addr[0]);
+ cfg_params.cfg2 |= FIELD_PREP(GENMASK(15, 8), sta->addr[1]);
+ cfg_params.cfg2 |= FIELD_PREP(GENMASK(23, 16), sta->addr[2]);
+ cfg_params.cfg2 |= FIELD_PREP(GENMASK(31, 24), sta->addr[3]);
+
+ cfg_params.cfg3 |= FIELD_PREP(GENMASK(7, 0), sta->addr[4]);
+ cfg_params.cfg3 |= FIELD_PREP(GENMASK(15, 8), sta->addr[5]);
+
+ cfg_params.cfg3 |= ATH11K_HTT_PEER_STATS_RESET;
+
+ ret = ath11k_dp_tx_htt_h2t_ext_stats_req(ar,
+ ATH11K_DBG_HTT_EXT_STATS_PEER_INFO,
+ &cfg_params,
+ 0ULL);
+ if (ret) {
+ ath11k_warn(ar->ab, "failed to send htt peer stats request: %d\n", ret);
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+ }
+
+ mutex_unlock(&ar->conf_mutex);
+
+ ret = count;
+
+ return ret;
+}
+
+static const struct file_operations fops_htt_peer_stats_reset = {
+ .write = ath11k_write_htt_peer_stats_reset,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
void ath11k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, struct dentry *dir)
{
@@ -771,4 +833,9 @@ void ath11k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
debugfs_create_file("addba", 0200, dir, sta, &fops_addba);
debugfs_create_file("addba_resp", 0200, dir, sta, &fops_addba_resp);
debugfs_create_file("delba", 0200, dir, sta, &fops_delba);
+
+ if (test_bit(WMI_TLV_SERVICE_PER_PEER_HTT_STATS_RESET,
+ ar->ab->wmi_ab.svc_map))
+ debugfs_create_file("htt_peer_stats_reset", 0600, dir, sta,
+ &fops_htt_peer_stats_reset);
}
diff --git a/drivers/net/wireless/ath/ath11k/wmi.h b/drivers/net/wireless/ath/ath11k/wmi.h
index ba05935..a47c6a6 100644
--- a/drivers/net/wireless/ath/ath11k/wmi.h
+++ b/drivers/net/wireless/ath/ath11k/wmi.h
@@ -1976,6 +1976,43 @@ enum wmi_tlv_service {
WMI_TLV_SERVICE_TX_DATA_MGMT_ACK_RSSI = 174,
WMI_TLV_SERVICE_NAN_DISABLE_SUPPORT = 175,
WMI_TLV_SERVICE_HTT_H2T_NO_HTC_HDR_LEN_IN_MSG_LEN = 176,
+ WMI_TLV_SERVICE_COEX_SUPPORT_UNEQUAL_ISOLATION = 177,
+ WMI_TLV_SERVICE_HW_DB2DBM_CONVERSION_SUPPORT = 178,
+ WMI_TLV_SERVICE_SUPPORT_EXTEND_ADDRESS = 179,
+ WMI_TLV_SERVICE_BEACON_RECEPTION_STATS = 180,
+ WMI_TLV_SERVICE_FETCH_TX_PN = 181,
+ WMI_TLV_SERVICE_PEER_UNMAP_RESPONSE_SUPPORT = 182,
+ WMI_TLV_SERVICE_TX_PER_PEER_AMPDU_SIZE = 183,
+ WMI_TLV_SERVICE_BSS_COLOR_SWITCH_COUNT = 184,
+ WMI_TLV_SERVICE_HTT_PEER_STATS_SUPPORT = 185,
+ WMI_TLV_SERVICE_UL_RU26_ALLOWED = 186,
+ WMI_TLV_SERVICE_GET_MWS_COEX_STATE = 187,
+ WMI_TLV_SERVICE_GET_MWS_DPWB_STATE = 188,
+ WMI_TLV_SERVICE_GET_MWS_TDM_STATE = 189,
+ WMI_TLV_SERVICE_GET_MWS_IDRX_STATE = 190,
+ WMI_TLV_SERVICE_GET_MWS_ANTENNA_SHARING_STATE = 191,
+ WMI_TLV_SERVICE_ENHANCED_TPC_CONFIG_EVENT = 192,
+ WMI_TLV_SERVICE_WLM_STATS_REQUEST = 193,
+ WMI_TLV_SERVICE_EXT_PEER_TID_CONFIGS_SUPPORT = 194,
+ WMI_TLV_SERVICE_WPA3_FT_SAE_SUPPORT = 195,
+ WMI_TLV_SERVICE_WPA3_FT_SUITE_B_SUPPORT = 196,
+ WMI_TLV_SERVICE_VOW_ENABLE = 197,
+ WMI_TLV_SERVICE_CFR_CAPTURE_IND_EVT_TYPE_1 = 198,
+ WMI_TLV_SERVICE_BROADCAST_TWT = 199,
+ WMI_TLV_SERVICE_RAP_DETECTION_SUPPORT = 200,
+ WMI_TLV_SERVICE_PS_TDCC = 201,
+ WMI_TLV_SERVICE_THREE_WAY_COEX_CONFIG_LEGACY = 202,
+ WMI_TLV_SERVICE_THREE_WAY_COEX_CONFIG_OVERRIDE = 203,
+ WMI_TLV_SERVICE_TX_PWR_PER_PEER = 204,
+ WMI_TLV_SERVICE_STA_PLUS_STA_SUPPORT = 205,
+ WMI_TLV_SERVICE_WPA3_FT_FILS = 206,
+ WMI_TLV_SERVICE_ADAPTIVE_11R_ROAM = 207,
+ WMI_TLV_SERVICE_CHAN_RF_CHARACTERIZATION_INFO = 208,
+ WMI_TLV_SERVICE_FW_IFACE_COMBINATION_SUPPORT = 209,
+ WMI_TLV_SERVICE_TX_COMPL_TSF64 = 210,
+ WMI_TLV_SERVICE_DSM_ROAM_FILTER = 211,
+ WMI_TLV_SERVICE_PACKET_CAPTURE_SUPPORT = 212,
+ WMI_TLV_SERVICE_PER_PEER_HTT_STATS_RESET = 213,

WMI_MAX_EXT_SERVICE

--
1.9.1


2020-05-06 06:16:54

by Kalle Valo

[permalink] [raw]
Subject: Re: [PATCH] ath11k: Add support to reset htt peer stats

Tamizh Chelvam <[email protected]> wrote:

> This patch add supports to reset the per peer htt stats.
>
> Usage:
>
> echo 1 > /sys/kernel/debug/ieee80211/phyX/netdev:wlanX/stations/<peer MAC addr>/htt_peer_stats_reset
>
> While doing so, sync the wmi services between FW and host.
>
> Signed-off-by: Ashok Raj Nagarajan <[email protected]>
> Signed-off-by: Tamizh Chelvam <[email protected]>
> Signed-off-by: Kalle Valo <[email protected]>

Patch applied to ath-next branch of ath.git, thanks.

559ef68f5f69 ath11k: Add support to reset htt peer stats

--
https://patchwork.kernel.org/patch/11526701/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches