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author | Aya Levin <ayal@mellanox.com> | 2019-07-01 15:08:13 +0300 |
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committer | Saeed Mahameed <saeedm@mellanox.com> | 2019-08-20 13:08:15 -0700 |
commit | c50de4af1d635fab3a5c8bd358f55623c01f7ee5 (patch) | |
tree | 4cfc4cefa40e69b5452eecd36fc9304788e77bfe /drivers/net/ethernet/mellanox/mlx5/core/en/health.c | |
parent | net/mlx5e: Change naming convention for reporter's functions (diff) | |
download | linux-dev-c50de4af1d635fab3a5c8bd358f55623c01f7ee5.tar.xz linux-dev-c50de4af1d635fab3a5c8bd358f55623c01f7ee5.zip |
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 <ayal@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en/health.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en/health.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/health.c b/drivers/net/ethernet/mellanox/mlx5/core/en/health.c new file mode 100644 index 000000000000..fc3112921bd3 --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/health.c @@ -0,0 +1,82 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2019 Mellanox Technologies. + +#include "health.h" +#include "lib/eq.h" + +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; + + msp.curr_state = MLX5_SQC_STATE_ERR; + msp.next_state = MLX5_SQC_STATE_RST; + + err = mlx5e_modify_sq(mdev, sqn, &msp); + if (err) { + netdev_err(dev, "Failed to move sq 0x%x to reset\n", sqn); + return err; + } + + memset(&msp, 0, sizeof(msp)); + msp.curr_state = MLX5_SQC_STATE_RST; + msp.next_state = MLX5_SQC_STATE_RDY; + + err = mlx5e_modify_sq(mdev, sqn, &msp); + if (err) { + netdev_err(dev, "Failed to move sq 0x%x to ready\n", sqn); + return err; + } + + return 0; +} + +int mlx5e_health_recover_channels(struct mlx5e_priv *priv) +{ + int err = 0; + + rtnl_lock(); + mutex_lock(&priv->state_lock); + + if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) + goto out; + + err = mlx5e_safe_reopen_channels(priv); + +out: + mutex_unlock(&priv->state_lock); + rtnl_unlock(); + + return err; +} + +int mlx5e_health_channel_eq_recover(struct mlx5_eq_comp *eq, struct mlx5e_channel *channel) +{ + u32 eqe_count; + + netdev_err(channel->netdev, "EQ 0x%x: Cons = 0x%x, irqn = 0x%x\n", + eq->core.eqn, eq->core.cons_index, eq->core.irqn); + + eqe_count = mlx5_eq_poll_irq_disabled(eq); + if (!eqe_count) + return -EIO; + + netdev_err(channel->netdev, "Recovered %d eqes on EQ 0x%x\n", + eqe_count, eq->core.eqn); + + channel->stats->eq_rearm++; + return 0; +} + +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); +} |