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Commit 3a32b26a authored by Eran Ben Elisha's avatar Eran Ben Elisha Committed by Saeed Mahameed
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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: default avatarEran Ben Elisha <eranbe@mellanox.com>
Reviewed-by: default avatarTariq Toukan <tariqt@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
parent 84990945

drivers/net/ethernet/mellanox/mlx5/core/en_main.c

+12 −0
Original line number Diff line number Diff line
@@ -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))