[PATCH] ath10k: implement per-VDEV FW statistics
Bartosz Markowski
bartosz.markowski at tieto.com
Tue Aug 27 04:43:16 EDT 2013
The WMI_REQUEST_PEER_STAT command with latst (1.0.0.716) FW
can return per-VDEV statistics. Using debugfs we can fetch this info now.
This is a backward compatible change. In case of older FW the VDEV
statistics are simply not returned.
Signed-off-by: Bartosz Markowski <bartosz.markowski at tieto.com>
---
drivers/net/wireless/ath/ath10k/core.h | 22 ++++++++
drivers/net/wireless/ath/ath10k/debug.c | 54 +++++++++++++++++---
drivers/net/wireless/ath/ath10k/wmi.c | 4 +-
drivers/net/wireless/ath/ath10k/wmi.h | 85 ++++++++++++++++++++++++++-----
4 files changed, 144 insertions(+), 21 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index ab05c4c..f94482b 100644
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -119,10 +119,27 @@ struct ath10k_wmi {
struct work_struct wmi_event_work;
};
+struct ath10k_vdev_stat {
+ u32 vdev_id;
+ struct wmi_snr_info vdev_snr;
+ u32 tx_frames_count[MAX_AC];
+ u32 rx_frames_count;
+ u32 multiple_retry_cnt[MAX_AC];
+ u32 fail_count[MAX_AC];
+ u32 rts_fail_count;
+ u32 rts_success_count;
+ u32 rts_err_count;
+ u32 rx_discard_count;
+ u32 ack_fail_count;
+ u32 tx_rate_history[MAX_TX_RATE_VALUES];
+ u32 bcn_rssi_history[MAX_RSSI_VALUES];
+};
+
struct ath10k_peer_stat {
u8 peer_macaddr[ETH_ALEN];
u32 peer_rssi;
u32 peer_tx_rate;
+ u32 peer_rx_rate;
};
struct ath10k_target_stats {
@@ -176,6 +193,8 @@ struct ath10k_target_stats {
s32 mpdu_errs;
/* VDEV STATS */
+ struct ath10k_vdev_stat vdev_stat[TARGET_NUM_VDEVS];
+ u8 vdevs;
/* PEER STATS */
u8 peers;
@@ -274,6 +293,9 @@ enum ath10k_fw_features {
/* wmi_mgmt_rx_hdr contains extra RSSI information */
ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX = 0,
+ /* firmware support per-VEDV statistics */
+ ATH10K_FW_FEATURE_VDEV_STATS = 1,
+
/* keep last */
ATH10K_FW_FEATURE_COUNT,
};
diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c
index 3d65594..4d240e1 100644
--- a/drivers/net/wireless/ath/ath10k/debug.c
+++ b/drivers/net/wireless/ath/ath10k/debug.c
@@ -228,25 +228,37 @@ void ath10k_debug_read_target_stats(struct ath10k *ar,
tmp += sizeof(struct wmi_pdev_stats);
}
- /* 0 or max vdevs */
- /* Currently firmware does not support VDEV stats */
if (num_vdev_stats) {
struct wmi_vdev_stats *vdev_stats;
+ struct ath10k_vdev_stat *s;
+
+ stats->vdevs = num_vdev_stats;
for (i = 0; i < num_vdev_stats; i++) {
vdev_stats = (struct wmi_vdev_stats *)tmp;
+ s = &stats->vdev_stat[i];
+
+ s->vdev_id = __le32_to_cpu(vdev_stats->vdev_id);
+ s->vdev_snr.beacon_snr =
+ __le32_to_cpu(vdev_stats->vdev_snr.beacon_snr);
+ s->vdev_snr.data_snr =
+ __le32_to_cpu(vdev_stats->vdev_snr.data_snr);
+
+ /* TODO:read remaining vdev stats */
+
tmp += sizeof(struct wmi_vdev_stats);
}
}
if (num_peer_stats) {
- struct wmi_peer_stats *peer_stats;
struct ath10k_peer_stat *s;
+ struct wmi_peer_stats_1 *peer_stats;
stats->peers = num_peer_stats;
for (i = 0; i < num_peer_stats; i++) {
- peer_stats = (struct wmi_peer_stats *)tmp;
+ peer_stats = (struct wmi_peer_stats_1 *)tmp;
+
s = &stats->peer_stat[i];
WMI_MAC_ADDR_TO_CHAR_ARRAY(&peer_stats->peer_macaddr,
@@ -255,7 +267,12 @@ void ath10k_debug_read_target_stats(struct ath10k *ar,
s->peer_tx_rate =
__le32_to_cpu(peer_stats->peer_tx_rate);
- tmp += sizeof(struct wmi_peer_stats);
+ if (test_bit(ATH10K_FW_FEATURE_VDEV_STATS,
+ ar->fw_features)) {
+ tmp += sizeof(struct wmi_peer_stats_2);
+ } else {
+ tmp += sizeof(struct wmi_peer_stats_1);
+ }
}
}
@@ -270,7 +287,7 @@ static ssize_t ath10k_read_fw_stats(struct file *file, char __user *user_buf,
struct ath10k *ar = file->private_data;
struct ath10k_target_stats *fw_stats;
char *buf = NULL;
- unsigned int len = 0, buf_len = 2500;
+ unsigned int len = 0, buf_len = 3000;
ssize_t ret_cnt = 0;
long left;
int i;
@@ -408,6 +425,27 @@ static ssize_t ath10k_read_fw_stats(struct file *file, char __user *user_buf,
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
"MPDU errors (FCS, MIC, ENC)", fw_stats->mpdu_errs);
+ if (fw_stats->vdevs) {
+ len += scnprintf(buf + len, buf_len - len, "\n");
+ len += scnprintf(buf + len, buf_len - len, "%30s\n",
+ "ath10k VDEV stats");
+ len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
+ "=================");
+ }
+
+ for (i = 0; i < fw_stats->vdevs; i++) {
+ len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
+ "VDEV ID", fw_stats->vdev_stat[i].vdev_id);
+ len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
+ "Beacon SNR",
+ fw_stats->vdev_stat[i].vdev_snr.beacon_snr);
+ len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
+ "Data SNR",
+ fw_stats->vdev_stat[i].vdev_snr.data_snr);
+ len += scnprintf(buf + len, buf_len - len, "\n");
+ }
+
+
len += scnprintf(buf + len, buf_len - len, "\n");
len += scnprintf(buf + len, buf_len - len, "%30s\n",
"ath10k PEER stats");
@@ -418,9 +456,9 @@ static ssize_t ath10k_read_fw_stats(struct file *file, char __user *user_buf,
len += scnprintf(buf + len, buf_len - len, "%30s %pM\n",
"Peer MAC address",
fw_stats->peer_stat[i].peer_macaddr);
- len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+ len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
"Peer RSSI", fw_stats->peer_stat[i].peer_rssi);
- len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+ len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
"Peer TX rate",
fw_stats->peer_stat[i].peer_tx_rate);
len += scnprintf(buf + len, buf_len - len, "\n");
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 32fd5e7..3ebab3d 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -957,8 +957,10 @@ static void ath10k_wmi_service_ready_event_rx(struct ath10k *ar,
ar->phy_capability = __le32_to_cpu(ev->phy_capability);
ar->num_rf_chains = __le32_to_cpu(ev->num_rf_chains);
- if (ar->fw_version_build > 636)
+ if (ar->fw_version_build > 636) {
set_bit(ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX, ar->fw_features);
+ set_bit(ATH10K_FW_FEATURE_VDEV_STATS, ar->fw_features);
+ }
if (ar->num_rf_chains > WMI_MAX_SPATIAL_STREAM) {
ath10k_warn("hardware advertises support for more spatial streams than it should (%d > %d)\n",
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index 08860c4..626bf02 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -60,6 +60,11 @@
*
*/
+#define MAX_AC 4 /* Maximum value of access category */
+
+#define MAX_TX_RATE_VALUES 10 /* Max Tx rates */
+#define MAX_RSSI_VALUES 10 /* Max RSSI values */
+
/* Control Path */
struct wmi_cmd_hdr {
__le32 cmd_id;
@@ -1767,6 +1772,9 @@ struct wal_dbg_tx_stats {
/* wal pdev resets */
__le32 pdev_resets;
+ /* frames dropped due to non-availability of stateless TIDs */
+ __le32 stateless_tid_alloc_failure;
+
__le32 phy_underrun;
/* MPDU is more than txop limit */
@@ -1825,11 +1833,10 @@ enum wmi_stats_id {
struct wmi_request_stats_cmd {
__le32 stats_id;
-
- /*
- * Space to add parameters like
- * peer mac addr
- */
+ /* unique id identifying the VDEV, generated by the caller */
+ __le32 vdev_id;
+ /* peer MAC address */
+ struct wmi_mac_addr peer_macaddr;
} __packed;
/* Suspend option */
@@ -1878,7 +1885,6 @@ struct wmi_stats_event {
/*
* PDEV statistics
- * TODO: add all PDEV stats here
*/
struct wmi_pdev_stats {
__le32 chan_nf; /* Channel noise floor */
@@ -1891,24 +1897,79 @@ struct wmi_pdev_stats {
struct wal_dbg_stats wal; /* WAL dbg stats */
} __packed;
-/*
- * VDEV statistics
- * TODO: add all VDEV stats here
- */
+struct wmi_snr_info {
+ __le32 beacon_snr;
+ __le32 data_snr;
+} __packed;
+
struct wmi_vdev_stats {
+ /* unique id identifying the VDEV, generated by the caller */
__le32 vdev_id;
+ struct wmi_snr_info vdev_snr;
+ /*
+ * Total number of packets(per AC) that were successfully transmitted
+ * (with and without retries, including multi-cast, broadcast)
+ */
+ __le32 tx_frm_cnt[MAX_AC];
+ /*
+ * Total number of packets that were successfully received
+ * (after appropriate filter rules including multi-cast, broadcast)
+ */
+ __le32 rx_frm_cnt;
+ /*
+ * The number of MSDU packets and MMPDU frames per AC that the 802.11
+ * station successfully transmitted after more than one retransmission
+ * attempt
+ */
+ __le32 multiple_retry_cnt[MAX_AC];
+ /* Total number packets(per AC) failed to transmit */
+ __le32 fail_cnt[MAX_AC];
+ /*
+ * Total number of RTS/CTS sequence failures for transmission of a
+ * packet
+ */
+ __le32 rts_fail_cnt;
+ /*
+ * Total number of RTS/CTS sequence success for transmission of a
+ * packet
+ */
+ __le32 rts_succ_cnt;
+ /*
+ * The receive error count.
+ * HAL will provide the RxP FCS error global
+ */
+ __le32 rx_err_cnt;
+ /*
+ * The sum of the receive error count and dropped-receive-buffer
+ * error count. (FCS error)
+ */
+ __le32 rx_discard_cnt;
+ /*
+ * Total number packets failed transmit because of no ACK
+ * from the remote entity
+ */
+ __le32 ack_fail_cnt;
+ /* History of last ten transmit rate, in units of 500 kbit/sec */
+ __le32 tx_rate_history[MAX_TX_RATE_VALUES];
+ /* History of last ten Beacon rssi of the connected Bss */
+ __le32 bcn_rssi_history[MAX_RSSI_VALUES];
} __packed;
/*
* peer statistics.
- * TODO: add more stats
*/
-struct wmi_peer_stats {
+struct wmi_peer_stats_1 {
struct wmi_mac_addr peer_macaddr;
__le32 peer_rssi;
__le32 peer_tx_rate;
} __packed;
+struct wmi_peer_stats_2 {
+ struct wmi_peer_stats_1 wmi_peer_stats_1;
+ __le32 peer_rx_rate;
+} __packed;
+
+
struct wmi_vdev_create_cmd {
__le32 vdev_id;
__le32 vdev_type;
--
1.7.10
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