ath10k: add vdev stats processing

New qca6174 wmi-tlv firmware supports vdev stats.
This patch adds support for it in the debug
frontend.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index d60e46f..7cba781 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -159,6 +159,25 @@ struct ath10k_fw_stats_peer {
        u32 peer_rx_rate; /* 10x only */
 };
 
+struct ath10k_fw_stats_vdev {
+       struct list_head list;
+
+       u32 vdev_id;
+       u32 beacon_snr;
+       u32 data_snr;
+       u32 num_tx_frames[4];
+       u32 num_rx_frames;
+       u32 num_tx_frames_retries[4];
+       u32 num_tx_frames_failures[4];
+       u32 num_rts_fail;
+       u32 num_rts_success;
+       u32 num_rx_err;
+       u32 num_rx_discard;
+       u32 num_tx_not_acked;
+       u32 tx_rate_history[10];
+       u32 beacon_rssi_history[10];
+};
+
 struct ath10k_fw_stats_pdev {
        struct list_head list;
 
@@ -220,6 +239,7 @@ struct ath10k_fw_stats_pdev {
 
 struct ath10k_fw_stats {
        struct list_head pdevs;
+       struct list_head vdevs;
        struct list_head peers;
 };
 

diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c
index d2281e5..8e969c9 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/debug.c
+++ b/drivers/net/wireless/ath/ath10k/debug.c
@@ -243,6 +243,16 @@ static void ath10k_debug_fw_stats_pdevs_free(struct list_head *head)
        }
 }
 
+static void ath10k_debug_fw_stats_vdevs_free(struct list_head *head)
+{
+       struct ath10k_fw_stats_vdev *i, *tmp;
+
+       list_for_each_entry_safe(i, tmp, head, list) {
+               list_del(&i->list);
+               kfree(i);
+       }
+}
+
 static void ath10k_debug_fw_stats_peers_free(struct list_head *head)
 {
        struct ath10k_fw_stats_peer *i, *tmp;
@@ -258,6 +268,7 @@ static void ath10k_debug_fw_stats_reset(struct ath10k *ar)
        spin_lock_bh(&ar->data_lock);
        ar->debug.fw_stats_done = false;
        ath10k_debug_fw_stats_pdevs_free(&ar->debug.fw_stats.pdevs);
+       ath10k_debug_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs);
        ath10k_debug_fw_stats_peers_free(&ar->debug.fw_stats.peers);
        spin_unlock_bh(&ar->data_lock);
 }
@@ -273,14 +284,27 @@ static size_t ath10k_debug_fw_stats_num_peers(struct list_head *head)
        return num;
 }
 
+static size_t ath10k_debug_fw_stats_num_vdevs(struct list_head *head)
+{
+       struct ath10k_fw_stats_vdev *i;
+       size_t num = 0;
+
+       list_for_each_entry(i, head, list)
+               ++num;
+
+       return num;
+}
+
 void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb)
 {
        struct ath10k_fw_stats stats = {};
        bool is_start, is_started, is_end;
        size_t num_peers;
+       size_t num_vdevs;
        int ret;
 
        INIT_LIST_HEAD(&stats.pdevs);
+       INIT_LIST_HEAD(&stats.vdevs);
        INIT_LIST_HEAD(&stats.peers);
 
        spin_lock_bh(&ar->data_lock);
@@ -308,6 +332,7 @@ void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb)
        }
 
        num_peers = ath10k_debug_fw_stats_num_peers(&ar->debug.fw_stats.peers);
+       num_vdevs = ath10k_debug_fw_stats_num_vdevs(&ar->debug.fw_stats.vdevs);
        is_start = (list_empty(&ar->debug.fw_stats.pdevs) &&
                    !list_empty(&stats.pdevs));
        is_end = (!list_empty(&ar->debug.fw_stats.pdevs) &&
@@ -330,7 +355,13 @@ void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb)
                        goto free;
                }
 
+               if (num_vdevs >= BITS_PER_LONG) {
+                       ath10k_warn(ar, "dropping fw vdev stats\n");
+                       goto free;
+               }
+
                list_splice_tail_init(&stats.peers, &ar->debug.fw_stats.peers);
+               list_splice_tail_init(&stats.vdevs, &ar->debug.fw_stats.vdevs);
        }
 
        complete(&ar->debug.fw_stats_complete);
@@ -340,6 +371,7 @@ free:
         * resources if that is not the case.
         */
        ath10k_debug_fw_stats_pdevs_free(&stats.pdevs);
+       ath10k_debug_fw_stats_vdevs_free(&stats.vdevs);
        ath10k_debug_fw_stats_peers_free(&stats.peers);
 
 unlock:
@@ -395,8 +427,11 @@ static void ath10k_fw_stats_fill(struct ath10k *ar,
        unsigned int len = 0;
        unsigned int buf_len = ATH10K_FW_STATS_BUF_SIZE;
        const struct ath10k_fw_stats_pdev *pdev;
+       const struct ath10k_fw_stats_vdev *vdev;
        const struct ath10k_fw_stats_peer *peer;
        size_t num_peers;
+       size_t num_vdevs;
+       int i;
 
        spin_lock_bh(&ar->data_lock);
 
@@ -408,6 +443,7 @@ static void ath10k_fw_stats_fill(struct ath10k *ar,
        }
 
        num_peers = ath10k_debug_fw_stats_num_peers(&fw_stats->peers);
+       num_vdevs = ath10k_debug_fw_stats_num_vdevs(&fw_stats->vdevs);
 
        len += scnprintf(buf + len, buf_len - len, "\n");
        len += scnprintf(buf + len, buf_len - len, "%30s\n",
@@ -529,6 +565,65 @@ static void ath10k_fw_stats_fill(struct ath10k *ar,
        len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
                         "MPDU errors (FCS, MIC, ENC)", pdev->mpdu_errs);
 
+       len += scnprintf(buf + len, buf_len - len, "\n");
+       len += scnprintf(buf + len, buf_len - len, "%30s (%zu)\n",
+                        "ath10k VDEV stats", num_vdevs);
+       len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
+                                "=================");
+
+       list_for_each_entry(vdev, &fw_stats->vdevs, list) {
+               len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+                                "vdev id", vdev->vdev_id);
+               len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+                                "beacon snr", vdev->beacon_snr);
+               len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+                                "data snr", vdev->data_snr);
+               len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+                                "num rx frames", vdev->num_rx_frames);
+               len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+                                "num rts fail", vdev->num_rts_fail);
+               len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+                                "num rts success", vdev->num_rts_success);
+               len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+                                "num rx err", vdev->num_rx_err);
+               len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+                                "num rx discard", vdev->num_rx_discard);
+               len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+                                "num tx not acked", vdev->num_tx_not_acked);
+
+               for (i = 0 ; i < ARRAY_SIZE(vdev->num_tx_frames); i++)
+                       len += scnprintf(buf + len, buf_len - len,
+                                       "%25s [%02d] %u\n",
+                                        "num tx frames", i,
+                                        vdev->num_tx_frames[i]);
+
+               for (i = 0 ; i < ARRAY_SIZE(vdev->num_tx_frames_retries); i++)
+                       len += scnprintf(buf + len, buf_len - len,
+                                       "%25s [%02d] %u\n",
+                                        "num tx frames retries", i,
+                                        vdev->num_tx_frames_retries[i]);
+
+               for (i = 0 ; i < ARRAY_SIZE(vdev->num_tx_frames_failures); i++)
+                       len += scnprintf(buf + len, buf_len - len,
+                                       "%25s [%02d] %u\n",
+                                        "num tx frames failures", i,
+                                        vdev->num_tx_frames_failures[i]);
+
+               for (i = 0 ; i < ARRAY_SIZE(vdev->tx_rate_history); i++)
+                       len += scnprintf(buf + len, buf_len - len,
+                                       "%25s [%02d] 0x%08x\n",
+                                        "tx rate history", i,
+                                        vdev->tx_rate_history[i]);
+
+               for (i = 0 ; i < ARRAY_SIZE(vdev->beacon_rssi_history); i++)
+                       len += scnprintf(buf + len, buf_len - len,
+                                       "%25s [%02d] %u\n",
+                                        "beacon rssi history", i,
+                                        vdev->beacon_rssi_history[i]);
+
+               len += scnprintf(buf + len, buf_len - len, "\n");
+       }
+
        len += scnprintf(buf + len, buf_len - len, "\n");
        len += scnprintf(buf + len, buf_len - len, "%30s (%zu)\n",
                         "ath10k PEER stats", num_peers);
@@ -1900,6 +1995,7 @@ int ath10k_debug_create(struct ath10k *ar)
                return -ENOMEM;
 
        INIT_LIST_HEAD(&ar->debug.fw_stats.pdevs);
+       INIT_LIST_HEAD(&ar->debug.fw_stats.vdevs);
        INIT_LIST_HEAD(&ar->debug.fw_stats.peers);
 
        return 0;