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Commit 579d059b authored by Matan Barak's avatar Matan Barak Committed by David S. Miller
Browse files

net/mlx4_core: Add explicit error message when rule doesn't meet configuration 



When a given flow steering rule is invalid in respect to the current
steering configuration, print the correct error message to the system log.

Signed-off-by: default avatarMatan Barak <matanb@mellanox.com>
Signed-off-by: default avatarOr Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d57febe1

drivers/net/ethernet/mellanox/mlx4/mcg.c

+18 −3
Original line number Diff line number Diff line
@@ -999,12 +999,27 @@ int mlx4_flow_attach(struct mlx4_dev *dev, 
	}



	ret = mlx4_QP_FLOW_STEERING_ATTACH(dev, mailbox, size >> 2, reg_id);

	if (ret == -ENOMEM)

	if (ret == -ENOMEM) {

		mlx4_err_rule(dev,

			      "mcg table is full. Fail to register network rule\n",

			      rule);

	else if (ret)

		mlx4_err_rule(dev, "Fail to register network rule\n", rule);

	} else if (ret) {

		if (ret == -ENXIO) {

			if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED)

				mlx4_err_rule(dev,

					      "DMFS is not enabled, "

					      "failed to register network rule.\n",

					      rule);

			else

				mlx4_err_rule(dev,

					      "Rule exceeds the dmfs_high_rate_mode limitations, "

					      "failed to register network rule.\n",

					      rule);



		} else {

			mlx4_err_rule(dev, "Fail to register network rule.\n", rule);

		}

	}



	mlx4_free_cmd_mailbox(dev, mailbox);