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net/mlx5e: Use rx_missed_errors instead of rx_dropped for reporting buffer exhaustion 

[ Upstream commit 5c74195d5d ]

Previously, the driver incorrectly used rx_dropped to report device
buffer exhaustion.

According to the documentation, rx_dropped should not be used to count
packets dropped due to buffer exhaustion, which is the purpose of
rx_missed_errors.

Use rx_missed_errors as intended for counting packets dropped due to
buffer exhaustion.

Fixes: 269e6b3af3 ("net/mlx5e: Report additional error statistics in get stats ndo")
Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Carolina Jubran 2024-05-22 22:26:58 +03:00 committed by Greg Kroah-Hartman
parent 82fdfbf242
commit 72c6038d23
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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@ -3695,7 +3695,7 @@ mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats)
mlx5e_fold_sw_stats64(priv, stats);
}
stats->rx_dropped = priv->stats.qcnt.rx_out_of_buffer;
stats->rx_missed_errors = priv->stats.qcnt.rx_out_of_buffer;
stats->rx_length_errors =
PPORT_802_3_GET(pstats, a_in_range_length_errors) +