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net/mlx5e: TX, Fix consumer index of error cqe dump

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The completion queue consumer index increments upon a call to
mlx5_cqwq_pop().
When dumping an error CQE, the index is already incremented.
Decrease one for the print command.

Fixes: 16cc14d81733 ("net/mlx5e: Dump xmit error completions")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Tariq Toukan 2019-09-24 11:29:09 +03:00 committed by Saeed Mahameed
parent 46a3ea9807
commit 61ea02d2c1
1 changed files with 4 additions and 1 deletions
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5
drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
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@ -403,7 +403,10 @@ netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev)
static void mlx5e_dump_error_cqe(struct mlx5e_txqsq *sq,
struct mlx5_err_cqe *err_cqe)
{
u32 ci = mlx5_cqwq_get_ci(&sq->cq.wq);
struct mlx5_cqwq *wq = &sq->cq.wq;
u32 ci;
ci = mlx5_cqwq_ctr2ix(wq, wq->cc - 1);
netdev_err(sq->channel->netdev,
"Error cqe on cqn 0x%x, ci 0x%x, sqn 0x%x, opcode 0x%x, syndrome 0x%x, vendor syndrome 0x%x\n",