net: hns3: add dql info when tx timeout

When tx timeout occurs, the info of dql maybe helpful, so print
these info to hns3_get_tx_timeo_queue_info().

Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 0225d60..496ddf3 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -2683,6 +2683,13 @@ static bool hns3_get_tx_timeo_queue_info(struct net_device *ndev)
                if (netif_xmit_stopped(q) &&
                    time_after(jiffies,
                               (trans_start + ndev->watchdog_timeo))) {
+#ifdef CONFIG_BQL
+                       struct dql *dql = &q->dql;
+
+                       netdev_info(ndev, "DQL info last_cnt: %u, queued: %u, adj_limit: %u, completed: %u\n",
+                                   dql->last_obj_cnt, dql->num_queued,
+                                   dql->adj_limit, dql->num_completed);
+#endif
                        timeout_queue = i;
                        netdev_info(ndev, "queue state: 0x%lx, delta msecs: %u\n",
                                    q->state,