Both 10.2 firmware binaries 10.2-00082-4 and
10.2.4.20 have introduced ABI changes to fw_stats
each. This caused fw_stats to output wrong data.
Define new structures and use them to parse the
statistics correctly.
Signed-off-by: Michal Kazior <michal.kazior@xxxxxxxxx>
---
drivers/net/wireless/ath/ath10k/wmi.c | 162 +++++++++++++++++++++++++++++++++-
drivers/net/wireless/ath/ath10k/wmi.h | 52 +++++++++++
2 files changed, 212 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index ce095da..fb1e2d1 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -1871,6 +1871,164 @@ static int ath10k_wmi_10x_op_pull_fw_stats(struct ath10k *ar,
return 0;
}
+static int ath10k_wmi_10_2_op_pull_fw_stats(struct ath10k *ar,
+ struct sk_buff *skb,
+ struct ath10k_fw_stats *stats)
+{
+ const struct wmi_10_2_stats_event *ev = (void *)skb->data;
+ u32 num_pdev_stats;
+ u32 num_pdev_ext_stats;
+ u32 num_vdev_stats;
+ u32 num_peer_stats;
+ int i;
+
+ if (!skb_pull(skb, sizeof(*ev)))
+ return -EPROTO;
+
+ num_pdev_stats = __le32_to_cpu(ev->num_pdev_stats);
+ num_pdev_ext_stats = __le32_to_cpu(ev->num_pdev_ext_stats);
+ num_vdev_stats = __le32_to_cpu(ev->num_vdev_stats);
+ num_peer_stats = __le32_to_cpu(ev->num_peer_stats);
+
+ for (i = 0; i < num_pdev_stats; i++) {
+ const struct wmi_10_2_pdev_stats *src;
+ struct ath10k_fw_stats_pdev *dst;
+
+ src = (void *)skb->data;
+ if (!skb_pull(skb, sizeof(*src)))
+ return -EPROTO;
+
+ dst = kzalloc(sizeof(*dst), GFP_ATOMIC);
+ if (!dst)
+ continue;
+
+ ath10k_wmi_pull_pdev_stats_base(&src->base, dst);
+ ath10k_wmi_pull_pdev_stats_tx(&src->tx, dst);
+ ath10k_wmi_pull_pdev_stats_rx(&src->rx, dst);
+ ath10k_wmi_pull_pdev_stats_extra(&src->extra, dst);
+ /* FIXME: expose 10.2 specific values */
+
+ list_add_tail(&dst->list, &stats->pdevs);
+ }
+
+ for (i = 0; i < num_pdev_ext_stats; i++) {
+ const struct wmi_10_2_pdev_ext_stats *src;
+
+ src = (void *)skb->data;
+ if (!skb_pull(skb, sizeof(*src)))
+ return -EPROTO;
+
+ /* FIXME: expose values to userspace
+ *
+ * Note: Even though this loop seems to do nothing it is
+ * required to parse following sub-structures properly.
+ */
+ }
+
+ /* fw doesn't implement vdev stats */
+
+ for (i = 0; i < num_peer_stats; i++) {
+ const struct wmi_10_2_peer_stats *src;
+ struct ath10k_fw_stats_peer *dst;
+
+ src = (void *)skb->data;
+ if (!skb_pull(skb, sizeof(*src)))
+ return -EPROTO;
+
+ dst = kzalloc(sizeof(*dst), GFP_ATOMIC);
+ if (!dst)
+ continue;
+
+ ath10k_wmi_pull_peer_stats(&src->old, dst);
+
+ dst->peer_rx_rate = __le32_to_cpu(src->peer_rx_rate);
+ /* FIXME: expose 10.2 specific values */
+
+ list_add_tail(&dst->list, &stats->peers);
+ }
+
+ return 0;
+}
+
+static int ath10k_wmi_10_2_4_op_pull_fw_stats(struct ath10k *ar,
+ struct sk_buff *skb,
+ struct ath10k_fw_stats *stats)
+{
+ const struct wmi_10_2_stats_event *ev = (void *)skb->data;
+ u32 num_pdev_stats;
+ u32 num_pdev_ext_stats;
+ u32 num_vdev_stats;
+ u32 num_peer_stats;
+ int i;
+
+ if (!skb_pull(skb, sizeof(*ev)))
+ return -EPROTO;
+
+ num_pdev_stats = __le32_to_cpu(ev->num_pdev_stats);
+ num_pdev_ext_stats = __le32_to_cpu(ev->num_pdev_ext_stats);
+ num_vdev_stats = __le32_to_cpu(ev->num_vdev_stats);
+ num_peer_stats = __le32_to_cpu(ev->num_peer_stats);
+
+ for (i = 0; i < num_pdev_stats; i++) {
+ const struct wmi_10_2_pdev_stats *src;
+ struct ath10k_fw_stats_pdev *dst;
+
+ src = (void *)skb->data;
+ if (!skb_pull(skb, sizeof(*src)))
+ return -EPROTO;
+
+ dst = kzalloc(sizeof(*dst), GFP_ATOMIC);
+ if (!dst)
+ continue;
+
+ ath10k_wmi_pull_pdev_stats_base(&src->base, dst);
+ ath10k_wmi_pull_pdev_stats_tx(&src->tx, dst);
+ ath10k_wmi_pull_pdev_stats_rx(&src->rx, dst);
+ ath10k_wmi_pull_pdev_stats_extra(&src->extra, dst);
+ /* FIXME: expose 10.2 specific values */
+
+ list_add_tail(&dst->list, &stats->pdevs);
+ }
+
+ for (i = 0; i < num_pdev_ext_stats; i++) {
+ const struct wmi_10_2_pdev_ext_stats *src;
+
+ src = (void *)skb->data;
+ if (!skb_pull(skb, sizeof(*src)))
+ return -EPROTO;
+
+ /* FIXME: expose values to userspace
+ *
+ * Note: Even though this loop seems to do nothing it is
+ * required to parse following sub-structures properly.
+ */
+ }
+
+ /* fw doesn't implement vdev stats */
+
+ for (i = 0; i < num_peer_stats; i++) {
+ const struct wmi_10_2_4_peer_stats *src;
+ struct ath10k_fw_stats_peer *dst;
+
+ src = (void *)skb->data;
+ if (!skb_pull(skb, sizeof(*src)))
+ return -EPROTO;
+
+ dst = kzalloc(sizeof(*dst), GFP_ATOMIC);
+ if (!dst)
+ continue;
+
+ ath10k_wmi_pull_peer_stats(&src->common.old, dst);
+
+ dst->peer_rx_rate = __le32_to_cpu(src->common.peer_rx_rate);
+ /* FIXME: expose 10.2 specific values */
+
+ list_add_tail(&dst->list, &stats->peers);
+ }
+
+ return 0;
+}
+
void ath10k_wmi_event_update_stats(struct ath10k *ar, struct sk_buff *skb)
{
ath10k_dbg(ar, ATH10K_DBG_WMI, "WMI_UPDATE_STATS_EVENTID\n");
@@ -5121,6 +5279,7 @@ static const struct wmi_ops wmi_10_1_ops = {
static const struct wmi_ops wmi_10_2_ops = {
.rx = ath10k_wmi_10_2_op_rx,
+ .pull_fw_stats = ath10k_wmi_10_2_op_pull_fw_stats,
.gen_init = ath10k_wmi_10_2_op_gen_init,
.gen_peer_assoc = ath10k_wmi_10_2_op_gen_peer_assoc,
/* .gen_pdev_get_temperature not implemented */
@@ -5128,7 +5287,6 @@ static const struct wmi_ops wmi_10_2_ops = {
/* shared with 10.1 */
.map_svc = wmi_10x_svc_map,
.pull_svc_rdy = ath10k_wmi_10x_op_pull_svc_rdy_ev,
- .pull_fw_stats = ath10k_wmi_10x_op_pull_fw_stats,
.gen_pdev_set_rd = ath10k_wmi_10x_op_gen_pdev_set_rd,
.gen_start_scan = ath10k_wmi_10x_op_gen_start_scan,
@@ -5180,6 +5338,7 @@ static const struct wmi_ops wmi_10_2_ops = {
static const struct wmi_ops wmi_10_2_4_ops = {
.rx = ath10k_wmi_10_2_op_rx,
+ .pull_fw_stats = ath10k_wmi_10_2_4_op_pull_fw_stats,
.gen_init = ath10k_wmi_10_2_op_gen_init,
.gen_peer_assoc = ath10k_wmi_10_2_op_gen_peer_assoc,
.gen_pdev_get_temperature = ath10k_wmi_10_2_op_gen_pdev_get_temperature,
@@ -5187,7 +5346,6 @@ static const struct wmi_ops wmi_10_2_4_ops = {
/* shared with 10.1 */
.map_svc = wmi_10x_svc_map,
.pull_svc_rdy = ath10k_wmi_10x_op_pull_svc_rdy_ev,
- .pull_fw_stats = ath10k_wmi_10x_op_pull_fw_stats,
.gen_pdev_set_rd = ath10k_wmi_10x_op_gen_pdev_set_rd,
.gen_start_scan = ath10k_wmi_10x_op_gen_start_scan,
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index 109ed62..0514b1a 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -3121,6 +3121,16 @@ struct wmi_stats_event {
u8 data[0];
} __packed;
+struct wmi_10_2_stats_event {
+ __le32 stats_id; /* %WMI_REQUEST_ */
+ __le32 num_pdev_stats;
+ __le32 num_pdev_ext_stats;
+ __le32 num_vdev_stats;
+ __le32 num_peer_stats;
+ __le32 num_bcnflt_stats;
+ u8 data[0];
+} __packed;
+
/*
* PDEV statistics
* TODO: add all PDEV stats here
@@ -3159,6 +3169,22 @@ struct wmi_10x_pdev_stats {
struct wmi_pdev_stats_extra extra;
} __packed;
+struct wmi_pdev_stats_mem {
+ __le32 dram_free;
+ __le32 iram_free;
+} __packed;
+
+struct wmi_10_2_pdev_stats {
+ struct wmi_pdev_stats_base base;
+ struct wmi_pdev_stats_tx tx;
+ __le32 mc_drop;
+ struct wmi_pdev_stats_rx rx;
+ __le32 pdev_rx_timeout;
+ struct wmi_pdev_stats_mem mem;
+ struct wmi_pdev_stats_peer peer;
+ struct wmi_pdev_stats_extra extra;
+} __packed;
+
/*
* VDEV statistics
* TODO: add all VDEV stats here
@@ -3182,6 +3208,32 @@ struct wmi_10x_peer_stats {
__le32 peer_rx_rate;
} __packed;
+struct wmi_10_2_peer_stats {
+ struct wmi_peer_stats old;
+ __le32 peer_rx_rate;
+ __le32 current_per;
+ __le32 retries;
+ __le32 tx_rate_count;
+ __le32 max_4ms_frame_len;
+ __le32 total_sub_frames;
+ __le32 tx_bytes;
+ __le32 num_pkt_loss_overflow[4];
+ __le32 num_pkt_loss_excess_retry[4];
+} __packed;
+
+struct wmi_10_2_4_peer_stats {
+ struct wmi_10_2_peer_stats common;
+ __le32 unknown_value; /* FIXME: what is this word? */
+} __packed;
+
+struct wmi_10_2_pdev_ext_stats {
+ __le32 rx_rssi_comb;
+ __le32 rx_rssi[4];
+ __le32 rx_mcs[10];
+ __le32 tx_mcs[10];
+ __le32 ack_rssi;
+} __packed;
+
struct wmi_vdev_create_cmd {
__le32 vdev_id;
__le32 vdev_type;
--
1.8.5.3
--
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