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authorEran Ben Elisha <eranbe@mellanox.com>2017-12-13 13:04:01 +0200
committerSaeed Mahameed <saeedm@mellanox.com>2018-01-19 22:41:33 +0200
commit3a32b26a4eccb37435d81bf75e41b2bd4464f8d6 (patch)
treed4ca595a9ef7eb11d95034d9cc792f7376c394ec /drivers/net
parent84990945261926a557fc85a835c665996e282a29 (diff)
net/mlx5e: Add Event Queue meta data info for TX timeout logs
When TX timeout occurs, EQ consumer index and irqn can help in debug for understanding the SW state of EQ. Add them to the logger prints for the relevant EQ only. Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com> Reviewed-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_main.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 12196d4d958e..71b8b171c565 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -3768,6 +3768,9 @@ static void mlx5e_tx_timeout(struct net_device *dev)
for (i = 0; i < priv->channels.num * priv->channels.params.num_tc; i++) {
struct netdev_queue *dev_queue = netdev_get_tx_queue(dev, i);
struct mlx5e_txqsq *sq = priv->txq2sq[i];
+ struct mlx5_core_dev *mdev = priv->mdev;
+ int irqn_not_used, eqn;
+ struct mlx5_eq *eq;
if (!netif_xmit_stopped(dev_queue))
continue;
@@ -3776,6 +3779,15 @@ static void mlx5e_tx_timeout(struct net_device *dev)
netdev_err(dev, "TX timeout on queue: %d, SQ: 0x%x, CQ: 0x%x, SQ Cons: 0x%x SQ Prod: 0x%x, usecs since last trans: %u\n",
i, sq->sqn, sq->cq.mcq.cqn, sq->cc, sq->pc,
jiffies_to_usecs(jiffies - dev_queue->trans_start));
+
+ if (mlx5_vector2eqn(mdev, sq->cq.mcq.vector, &eqn,
+ &irqn_not_used))
+ continue;
+
+ eq = mlx5_eqn2eq(mdev, eqn);
+ if (!IS_ERR(eq))
+ netdev_err(dev, "EQ 0x%x: Cons = 0x%x, irqn = 0x%x\n",
+ eqn, eq->cons_index, eq->irqn);
}
if (sched_work && test_bit(MLX5E_STATE_OPENED, &priv->state))