Commit c6d4e45d authored by Eli Britstein's avatar Eli Britstein Committed by Saeed Mahameed
Browse files

net/mlx5: Introduce termination table bits 



Termination table is a flow table with a termination flag. The flag
allows the firmware to assume that the the specified actions are the last
actions list. This assumption allows the FW to safely perform potential
looping logic (e.g. hairpin). Introduce the bits for this attribute.

Signed-off-by: default avatarEli Britstein <elibr@mellanox.com>
Reviewed-by: default avatarOz Shlomo <ozsh@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
parent 0b9055a1

drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c

+3 −0
Original line number Diff line number Diff line
@@ -147,6 +147,7 @@ static int mlx5_cmd_create_flow_table(struct mlx5_flow_root_namespace *ns, 
{

	int en_encap = !!(ft->flags & MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT);

	int en_decap = !!(ft->flags & MLX5_FLOW_TABLE_TUNNEL_EN_DECAP);

	int term = !!(ft->flags & MLX5_FLOW_TABLE_TERMINATION);

	u32 out[MLX5_ST_SZ_DW(create_flow_table_out)] = {0};

	u32 in[MLX5_ST_SZ_DW(create_flow_table_in)]   = {0};

	struct mlx5_core_dev *dev = ns->dev;
@@ -167,6 +168,8 @@ static int mlx5_cmd_create_flow_table(struct mlx5_flow_root_namespace *ns, 
		 en_decap);

	MLX5_SET(create_flow_table_in, in, flow_table_context.reformat_en,

		 en_encap);

	MLX5_SET(create_flow_table_in, in, flow_table_context.termination_table,

		 term);



	switch (ft->op_mod) {

	case FS_FT_OP_MOD_NORMAL:

include/linux/mlx5/fs.h

+1 −0
Original line number Diff line number Diff line
@@ -47,6 +47,7 @@ enum { 
enum {

	MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT = BIT(0),

	MLX5_FLOW_TABLE_TUNNEL_EN_DECAP = BIT(1),

	MLX5_FLOW_TABLE_TERMINATION = BIT(2),

};



#define LEFTOVERS_RULE_NUM	 2

include/linux/mlx5/mlx5_ifc.h

+4 −2
Original line number Diff line number Diff line
@@ -382,7 +382,8 @@ struct mlx5_ifc_flow_table_prop_layout_bits { 
	u8	   reformat_and_modify_action[0x1];

	u8         reserved_at_15[0x2];

	u8	   table_miss_action_domain[0x1];

	u8         reserved_at_18[0x8];

	u8         termination_table[0x1];

	u8         reserved_at_19[0x7];

	u8         reserved_at_20[0x2];

	u8         log_max_ft_size[0x6];

	u8         log_max_modify_header_context[0x8];
@@ -7239,7 +7240,8 @@ struct mlx5_ifc_create_flow_table_out_bits { 
struct mlx5_ifc_flow_table_context_bits {

	u8         reformat_en[0x1];

	u8         decap_en[0x1];

	u8         reserved_at_2[0x2];

	u8         reserved_at_2[0x1];

	u8         termination_table[0x1];

	u8         table_miss_action[0x4];

	u8         level[0x8];

	u8         reserved_at_10[0x8];

CRA Git | Maintained and supported by SUSTech CRA and CCSE