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net/mlx5: Add flow counter bulk allocation hardware bits and command

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Add a handle to invoke the new FW capability of allocating a bulk of
flow counters.

Signed-off-by: Gavi Teitz <gavi@mellanox.com>
Reviewed-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Gavi Teitz 2019-07-29 21:12:54 +00:00 committed by Saeed Mahameed
parent 6f06e04b67
commit 8536a6bf2e
3 changed files with 31 additions and 3 deletions
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10
drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
View File

@ -566,7 +566,9 @@ static int mlx5_cmd_delete_fte(struct mlx5_flow_root_namespace *ns,
return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}
int mlx5_cmd_fc_alloc(struct mlx5_core_dev *dev, u32 *id)
int mlx5_cmd_fc_bulk_alloc(struct mlx5_core_dev *dev,
enum mlx5_fc_bulk_alloc_bitmask alloc_bitmask,
u32 *id)
{
u32 in[MLX5_ST_SZ_DW(alloc_flow_counter_in)] = {0};
u32 out[MLX5_ST_SZ_DW(alloc_flow_counter_out)] = {0};
@ -574,6 +576,7 @@ int mlx5_cmd_fc_alloc(struct mlx5_core_dev *dev, u32 *id)
MLX5_SET(alloc_flow_counter_in, in, opcode,
MLX5_CMD_OP_ALLOC_FLOW_COUNTER);
MLX5_SET(alloc_flow_counter_in, in, flow_counter_bulk, alloc_bitmask);
err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
if (!err)
@ -581,6 +584,11 @@ int mlx5_cmd_fc_alloc(struct mlx5_core_dev *dev, u32 *id)
return err;
}
int mlx5_cmd_fc_alloc(struct mlx5_core_dev *dev, u32 *id)
{
return mlx5_cmd_fc_bulk_alloc(dev, 0, id);
}
int mlx5_cmd_fc_free(struct mlx5_core_dev *dev, u32 id)
{
u32 in[MLX5_ST_SZ_DW(dealloc_flow_counter_in)] = {0};

3
drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.h
View File

@ -78,6 +78,9 @@ struct mlx5_flow_cmds {
};
int mlx5_cmd_fc_alloc(struct mlx5_core_dev *dev, u32 *id);
int mlx5_cmd_fc_bulk_alloc(struct mlx5_core_dev *dev,
enum mlx5_fc_bulk_alloc_bitmask alloc_bitmask,
u32 *id);
int mlx5_cmd_fc_free(struct mlx5_core_dev *dev, u32 id);
int mlx5_cmd_fc_query(struct mlx5_core_dev *dev, u32 id,
u64 *packets, u64 *bytes);

21
include/linux/mlx5/mlx5_ifc.h
View File

@ -1040,6 +1040,21 @@ enum {
MLX5_UCTX_CAP_INTERNAL_DEV_RES = 1UL << 1,
};
#define MLX5_FC_BULK_SIZE_FACTOR 128
enum mlx5_fc_bulk_alloc_bitmask {
MLX5_FC_BULK_128 = (1 << 0),
MLX5_FC_BULK_256 = (1 << 1),
MLX5_FC_BULK_512 = (1 << 2),
MLX5_FC_BULK_1024 = (1 << 3),
MLX5_FC_BULK_2048 = (1 << 4),
MLX5_FC_BULK_4096 = (1 << 5),
MLX5_FC_BULK_8192 = (1 << 6),
MLX5_FC_BULK_16384 = (1 << 7),
};
#define MLX5_FC_BULK_NUM_FCS(fc_enum) (MLX5_FC_BULK_SIZE_FACTOR * (fc_enum))
struct mlx5_ifc_cmd_hca_cap_bits {
u8 reserved_at_0[0x30];
u8 vhca_id[0x10];
@ -1244,7 +1259,8 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 reserved_at_2e0[0x7];
u8 max_qp_mcg[0x19];
u8 reserved_at_300[0x18];
u8 reserved_at_300[0x10];
u8 flow_counter_bulk_alloc[0x8];
u8 log_max_mcg[0x8];
u8 reserved_at_320[0x3];
@ -7815,7 +7831,8 @@ struct mlx5_ifc_alloc_flow_counter_in_bits {
u8 reserved_at_20[0x10];
u8 op_mod[0x10];
u8 reserved_at_40[0x40];
u8 reserved_at_40[0x38];
u8 flow_counter_bulk[0x8];
};
struct mlx5_ifc_add_vxlan_udp_dport_out_bits {