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net/mlx5e: Generalize tx reporter's functionality
Prepare for code sharing with rx reporter, which is added in the following patches in the set. Introduce a generic error_ctx for agnostic recovery despatch. Signed-off-by: Aya Levin <[email protected]> Reviewed-by: Tariq Toukan <[email protected]> Acked-by: Jiri Pirko <[email protected]> Signed-off-by: Saeed Mahameed <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| // SPDX-License-Identifier: GPL-2.0 | ||
| // Copyright (c) 2019 Mellanox Technologies. | ||
|
|
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| #include "health.h" | ||
| #include "lib/eq.h" | ||
|
|
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| int mlx5e_health_sq_to_ready(struct mlx5e_channel *channel, u32 sqn) | ||
| { | ||
| struct mlx5_core_dev *mdev = channel->mdev; | ||
| struct net_device *dev = channel->netdev; | ||
| struct mlx5e_modify_sq_param msp = {}; | ||
| int err; | ||
|
|
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| msp.curr_state = MLX5_SQC_STATE_ERR; | ||
| msp.next_state = MLX5_SQC_STATE_RST; | ||
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| err = mlx5e_modify_sq(mdev, sqn, &msp); | ||
| if (err) { | ||
| netdev_err(dev, "Failed to move sq 0x%x to reset\n", sqn); | ||
| return err; | ||
| } | ||
|
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| memset(&msp, 0, sizeof(msp)); | ||
| msp.curr_state = MLX5_SQC_STATE_RST; | ||
| msp.next_state = MLX5_SQC_STATE_RDY; | ||
|
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| err = mlx5e_modify_sq(mdev, sqn, &msp); | ||
| if (err) { | ||
| netdev_err(dev, "Failed to move sq 0x%x to ready\n", sqn); | ||
| return err; | ||
| } | ||
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| return 0; | ||
| } | ||
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| int mlx5e_health_recover_channels(struct mlx5e_priv *priv) | ||
| { | ||
| int err = 0; | ||
|
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| rtnl_lock(); | ||
| mutex_lock(&priv->state_lock); | ||
|
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| if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) | ||
| goto out; | ||
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| err = mlx5e_safe_reopen_channels(priv); | ||
|
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| out: | ||
| mutex_unlock(&priv->state_lock); | ||
| rtnl_unlock(); | ||
|
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| return err; | ||
| } | ||
|
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| int mlx5e_health_channel_eq_recover(struct mlx5_eq_comp *eq, struct mlx5e_channel *channel) | ||
| { | ||
| u32 eqe_count; | ||
|
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| netdev_err(channel->netdev, "EQ 0x%x: Cons = 0x%x, irqn = 0x%x\n", | ||
| eq->core.eqn, eq->core.cons_index, eq->core.irqn); | ||
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| eqe_count = mlx5_eq_poll_irq_disabled(eq); | ||
| if (!eqe_count) | ||
| return -EIO; | ||
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| netdev_err(channel->netdev, "Recovered %d eqes on EQ 0x%x\n", | ||
| eqe_count, eq->core.eqn); | ||
|
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| channel->stats->eq_rearm++; | ||
| return 0; | ||
| } | ||
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| int mlx5e_health_report(struct mlx5e_priv *priv, | ||
| struct devlink_health_reporter *reporter, char *err_str, | ||
| struct mlx5e_err_ctx *err_ctx) | ||
| { | ||
| if (!reporter) { | ||
| netdev_err(priv->netdev, err_str); | ||
| return err_ctx->recover(&err_ctx->ctx); | ||
| } | ||
| return devlink_health_report(reporter, err_str, err_ctx); | ||
| } |
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