net/mlx5: Add command failures data to debugfs
Add new counters to command interface debugfs to count command failures. The following counters added: total_failed - number of times command failed (any kind of failure). failed_mbox_status - number of times command failed on bad status returned by FW. In addition, add data about last command failure to command interface debugfs: last_failed_errno - last command failed returned errno. last_failed_mbox_status - last bad status returned by FW. Signed-off-by: Moshe Shemesh <moshe@nvidia.com> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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