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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>
zero-colors
Huy Nguyen 2017-05-30 09:42:53 +03:00 committed by Doug Ledford
parent 520eccdfe1
commit bded747bb4
3 changed files with 72 additions and 4 deletions
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62
drivers/net/ethernet/mellanox/mlx5/core/vport.c
View File

@ -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,

11
include/linux/mlx5/mlx5_ifc.h
View File

@ -1016,7 +1016,8 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 log_max_wq_sz[0x5];
u8 nic_vport_change_event[0x1];
u8 reserved_at_3e1[0xa];
u8 disable_local_lb[0x1];
u8 reserved_at_3e2[0x9];
u8 log_max_vlan_list[0x5];
u8 reserved_at_3f0[0x3];
u8 log_max_current_mc_list[0x5];
@ -2562,7 +2563,9 @@ struct mlx5_ifc_rmpc_bits {
struct mlx5_ifc_nic_vport_context_bits {
u8 reserved_at_0[0x5];
u8 min_wqe_inline_mode[0x3];
u8 reserved_at_8[0x17];
u8 reserved_at_8[0x15];
u8 disable_mc_local_lb[0x1];
u8 disable_uc_local_lb[0x1];
u8 roce_en[0x1];
u8 arm_change_event[0x1];
@ -5229,7 +5232,9 @@ struct mlx5_ifc_modify_nic_vport_context_out_bits {
};
struct mlx5_ifc_modify_nic_vport_field_select_bits {
u8 reserved_at_0[0x16];
u8 reserved_at_0[0x14];
u8 disable_uc_local_lb[0x1];
u8 disable_mc_local_lb[0x1];
u8 node_guid[0x1];
u8 port_guid[0x1];
u8 min_inline[0x1];

3
include/linux/mlx5/vport.h
View File

@ -114,5 +114,6 @@ int mlx5_core_modify_hca_vport_context(struct mlx5_core_dev *dev,
u8 other_vport, u8 port_num,
int vf,
struct mlx5_hca_vport_context *req);
int mlx5_nic_vport_update_local_lb(struct mlx5_core_dev *mdev, bool enable);
int mlx5_nic_vport_query_local_lb(struct mlx5_core_dev *mdev, bool *status);
#endif /* __MLX5_VPORT_H__ */