diff options
author | Huy Nguyen <huyn@mellanox.com> | 2017-05-30 09:42:53 +0300 |
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committer | Doug Ledford <dledford@redhat.com> | 2017-07-24 10:26:16 -0400 |
commit | bded747bb432bc5f7ad6d84ea747368b70ed9df2 (patch) | |
tree | 4cfdb0401e60fba07d3b2e9db6a94721fc721e5f /drivers/net/ethernet | |
parent | 520eccdfe187591a51ea9ab4c1a024ae4d0f68d9 (diff) | |
download | linux-bded747bb432bc5f7ad6d84ea747368b70ed9df2.tar.bz2 |
net/mlx5: Add raw ethernet local loopback firmware command
Add support for raw ethernet local loopback firmware command.
Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Reviewed-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/vport.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vport.c b/drivers/net/ethernet/mellanox/mlx5/core/vport.c index 5abfec1c3399..d653b0025b13 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/vport.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/vport.c @@ -897,6 +897,68 @@ int mlx5_modify_nic_vport_promisc(struct mlx5_core_dev *mdev, } EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_promisc); +enum { + UC_LOCAL_LB, + MC_LOCAL_LB +}; + +int mlx5_nic_vport_update_local_lb(struct mlx5_core_dev *mdev, bool enable) +{ + int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in); + void *in; + int err; + + mlx5_core_dbg(mdev, "%s local_lb\n", enable ? "enable" : "disable"); + in = kvzalloc(inlen, GFP_KERNEL); + if (!in) + return -ENOMEM; + + MLX5_SET(modify_nic_vport_context_in, in, + field_select.disable_mc_local_lb, 1); + MLX5_SET(modify_nic_vport_context_in, in, + nic_vport_context.disable_mc_local_lb, !enable); + + MLX5_SET(modify_nic_vport_context_in, in, + field_select.disable_uc_local_lb, 1); + MLX5_SET(modify_nic_vport_context_in, in, + nic_vport_context.disable_uc_local_lb, !enable); + + err = mlx5_modify_nic_vport_context(mdev, in, inlen); + + kvfree(in); + return err; +} +EXPORT_SYMBOL_GPL(mlx5_nic_vport_update_local_lb); + +int mlx5_nic_vport_query_local_lb(struct mlx5_core_dev *mdev, bool *status) +{ + int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out); + u32 *out; + int value; + int err; + + out = kzalloc(outlen, GFP_KERNEL); + if (!out) + return -ENOMEM; + + err = mlx5_query_nic_vport_context(mdev, 0, out, outlen); + if (err) + goto out; + + value = MLX5_GET(query_nic_vport_context_out, out, + nic_vport_context.disable_mc_local_lb) << MC_LOCAL_LB; + + value |= MLX5_GET(query_nic_vport_context_out, out, + nic_vport_context.disable_uc_local_lb) << UC_LOCAL_LB; + + *status = !value; + +out: + kfree(out); + return err; +} +EXPORT_SYMBOL_GPL(mlx5_nic_vport_query_local_lb); + enum mlx5_vport_roce_state { MLX5_VPORT_ROCE_DISABLED = 0, MLX5_VPORT_ROCE_ENABLED = 1, |