diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core')
3 files changed, 185 insertions, 7 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_meter.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_meter.c index 7b2387eef34c..ffed3af7d01e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_meter.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_meter.c @@ -17,8 +17,24 @@ struct mlx5e_post_meter_rate_table { struct mlx5_flow_attr *red_attr; }; +struct mlx5e_post_meter_mtu_table { + struct mlx5_flow_table *ft; + struct mlx5_flow_group *fg; + struct mlx5_flow_handle *rule; + struct mlx5_flow_attr *attr; +}; + +struct mlx5e_post_meter_mtu_tables { + struct mlx5e_post_meter_mtu_table green_table; + struct mlx5e_post_meter_mtu_table red_table; +}; + struct mlx5e_post_meter_priv { - struct mlx5e_post_meter_rate_table rate_steering_table; + enum mlx5e_post_meter_type type; + union { + struct mlx5e_post_meter_rate_table rate_steering_table; + struct mlx5e_post_meter_mtu_tables mtu_tables; + }; }; struct mlx5_flow_table * @@ -98,7 +114,6 @@ mlx5e_post_meter_add_rule(struct mlx5e_priv *priv, else attr->counter = act_counter; - attr->ft = post_meter->rate_steering_table.ft; attr->flags |= MLX5_ATTR_FLAG_NO_IN_PORT; attr->outer_match_level = MLX5_MATCH_NONE; attr->chain = 0; @@ -134,7 +149,7 @@ mlx5e_post_meter_rate_rules_create(struct mlx5e_priv *priv, mlx5e_tc_match_to_reg_match(spec, PACKET_COLOR_TO_REG, MLX5_FLOW_METER_COLOR_RED, MLX5_PACKET_COLOR_MASK); - + red_attr->ft = post_meter->rate_steering_table.ft; rule = mlx5e_post_meter_add_rule(priv, post_meter, spec, red_attr, act_counter, drop_counter); if (IS_ERR(rule)) { @@ -147,6 +162,7 @@ mlx5e_post_meter_rate_rules_create(struct mlx5e_priv *priv, mlx5e_tc_match_to_reg_match(spec, PACKET_COLOR_TO_REG, MLX5_FLOW_METER_COLOR_GREEN, MLX5_PACKET_COLOR_MASK); + green_attr->ft = post_meter->rate_steering_table.ft; rule = mlx5e_post_meter_add_rule(priv, post_meter, spec, green_attr, act_counter, drop_counter); if (IS_ERR(rule)) { @@ -189,6 +205,33 @@ mlx5e_post_meter_rate_table_destroy(struct mlx5e_post_meter_priv *post_meter) mlx5_destroy_flow_table(post_meter->rate_steering_table.ft); } +static void +mlx5e_post_meter_mtu_rules_destroy(struct mlx5e_post_meter_priv *post_meter) +{ + struct mlx5e_post_meter_mtu_tables *mtu_tables = &post_meter->mtu_tables; + + mlx5_del_flow_rules(mtu_tables->green_table.rule); + mlx5_del_flow_rules(mtu_tables->red_table.rule); +} + +static void +mlx5e_post_meter_mtu_fg_destroy(struct mlx5e_post_meter_priv *post_meter) +{ + struct mlx5e_post_meter_mtu_tables *mtu_tables = &post_meter->mtu_tables; + + mlx5_destroy_flow_group(mtu_tables->green_table.fg); + mlx5_destroy_flow_group(mtu_tables->red_table.fg); +} + +static void +mlx5e_post_meter_mtu_table_destroy(struct mlx5e_post_meter_priv *post_meter) +{ + struct mlx5e_post_meter_mtu_tables *mtu_tables = &post_meter->mtu_tables; + + mlx5_destroy_flow_table(mtu_tables->green_table.ft); + mlx5_destroy_flow_table(mtu_tables->red_table.ft); +} + static int mlx5e_post_meter_rate_create(struct mlx5e_priv *priv, enum mlx5_flow_namespace_type ns_type, @@ -202,6 +245,8 @@ mlx5e_post_meter_rate_create(struct mlx5e_priv *priv, struct mlx5_flow_table *ft; int err; + post_meter->type = MLX5E_POST_METER_RATE; + ft = mlx5e_post_meter_table_create(priv, ns_type); if (IS_ERR(ft)) { err = PTR_ERR(ft); @@ -231,10 +276,111 @@ err_ft: return err; } +static int +mlx5e_post_meter_create_mtu_table(struct mlx5e_priv *priv, + enum mlx5_flow_namespace_type ns_type, + struct mlx5e_post_meter_mtu_table *table) +{ + int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); + struct mlx5_flow_group *fg; + u32 *flow_group_in; + int err; + + flow_group_in = kvzalloc(inlen, GFP_KERNEL); + if (!flow_group_in) + return -ENOMEM; + + table->ft = mlx5e_post_meter_table_create(priv, ns_type); + if (IS_ERR(table->ft)) { + err = PTR_ERR(table->ft); + goto err_ft; + } + + /* create miss group */ + memset(flow_group_in, 0, inlen); + MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 1); + MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 1); + fg = mlx5_create_flow_group(table->ft, flow_group_in); + if (IS_ERR(fg)) { + err = PTR_ERR(fg); + goto err_miss_grp; + } + table->fg = fg; + + kvfree(flow_group_in); + return 0; + +err_miss_grp: + mlx5_destroy_flow_table(table->ft); +err_ft: + kvfree(flow_group_in); + return err; +} + +static int +mlx5e_post_meter_mtu_create(struct mlx5e_priv *priv, + enum mlx5_flow_namespace_type ns_type, + struct mlx5e_post_act *post_act, + struct mlx5_fc *act_counter, + struct mlx5_fc *drop_counter, + struct mlx5e_post_meter_priv *post_meter, + struct mlx5_flow_attr *green_attr, + struct mlx5_flow_attr *red_attr) +{ + struct mlx5e_post_meter_mtu_tables *mtu_tables = &post_meter->mtu_tables; + static struct mlx5_flow_spec zero_spec = {}; + struct mlx5_flow_handle *rule; + int err; + + post_meter->type = MLX5E_POST_METER_MTU; + + err = mlx5e_post_meter_create_mtu_table(priv, ns_type, &mtu_tables->green_table); + if (err) + goto err_green_ft; + + green_attr->ft = mtu_tables->green_table.ft; + rule = mlx5e_post_meter_add_rule(priv, post_meter, &zero_spec, green_attr, + act_counter, drop_counter); + if (IS_ERR(rule)) { + mlx5_core_warn(priv->mdev, "Failed to create post_meter conform rule\n"); + err = PTR_ERR(rule); + goto err_green_rule; + } + mtu_tables->green_table.rule = rule; + mtu_tables->green_table.attr = green_attr; + + err = mlx5e_post_meter_create_mtu_table(priv, ns_type, &mtu_tables->red_table); + if (err) + goto err_red_ft; + + red_attr->ft = mtu_tables->red_table.ft; + rule = mlx5e_post_meter_add_rule(priv, post_meter, &zero_spec, red_attr, + act_counter, drop_counter); + if (IS_ERR(rule)) { + mlx5_core_warn(priv->mdev, "Failed to create post_meter exceed rule\n"); + err = PTR_ERR(rule); + goto err_red_rule; + } + mtu_tables->red_table.rule = rule; + mtu_tables->red_table.attr = red_attr; + + return 0; + +err_red_rule: + mlx5_destroy_flow_table(mtu_tables->red_table.ft); +err_red_ft: + mlx5_del_flow_rules(mtu_tables->green_table.rule); +err_green_rule: + mlx5_destroy_flow_table(mtu_tables->green_table.ft); +err_green_ft: + return err; +} + struct mlx5e_post_meter_priv * mlx5e_post_meter_init(struct mlx5e_priv *priv, enum mlx5_flow_namespace_type ns_type, struct mlx5e_post_act *post_act, + enum mlx5e_post_meter_type type, struct mlx5_fc *act_counter, struct mlx5_fc *drop_counter, struct mlx5_flow_attr *branch_true, @@ -247,9 +393,21 @@ mlx5e_post_meter_init(struct mlx5e_priv *priv, if (!post_meter) return ERR_PTR(-ENOMEM); - err = mlx5e_post_meter_rate_create(priv, ns_type, post_act, - act_counter, drop_counter, post_meter, - branch_true, branch_false); + switch (type) { + case MLX5E_POST_METER_MTU: + err = mlx5e_post_meter_mtu_create(priv, ns_type, post_act, + act_counter, drop_counter, post_meter, + branch_true, branch_false); + break; + case MLX5E_POST_METER_RATE: + err = mlx5e_post_meter_rate_create(priv, ns_type, post_act, + act_counter, drop_counter, post_meter, + branch_true, branch_false); + break; + default: + err = -EOPNOTSUPP; + } + if (err) goto err; @@ -268,10 +426,22 @@ mlx5e_post_meter_rate_destroy(struct mlx5_eswitch *esw, struct mlx5e_post_meter_ mlx5e_post_meter_rate_table_destroy(post_meter); } +static void +mlx5e_post_meter_mtu_destroy(struct mlx5e_post_meter_priv *post_meter) +{ + mlx5e_post_meter_mtu_rules_destroy(post_meter); + mlx5e_post_meter_mtu_fg_destroy(post_meter); + mlx5e_post_meter_mtu_table_destroy(post_meter); +} + void mlx5e_post_meter_cleanup(struct mlx5_eswitch *esw, struct mlx5e_post_meter_priv *post_meter) { - mlx5e_post_meter_rate_destroy(esw, post_meter); + if (post_meter->type == MLX5E_POST_METER_RATE) + mlx5e_post_meter_rate_destroy(esw, post_meter); + else + mlx5e_post_meter_mtu_destroy(post_meter); + kfree(post_meter); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_meter.h b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_meter.h index a4075d33fde2..0a3dbf5ed86d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_meter.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_meter.h @@ -14,6 +14,11 @@ struct mlx5e_post_meter_priv; +enum mlx5e_post_meter_type { + MLX5E_POST_METER_RATE = 0, + MLX5E_POST_METER_MTU +}; + struct mlx5_flow_table * mlx5e_post_meter_get_ft(struct mlx5e_post_meter_priv *post_meter); @@ -21,10 +26,12 @@ struct mlx5e_post_meter_priv * mlx5e_post_meter_init(struct mlx5e_priv *priv, enum mlx5_flow_namespace_type ns_type, struct mlx5e_post_act *post_act, + enum mlx5e_post_meter_type type, struct mlx5_fc *act_counter, struct mlx5_fc *drop_counter, struct mlx5_flow_attr *branch_true, struct mlx5_flow_attr *branch_false); + void mlx5e_post_meter_cleanup(struct mlx5_eswitch *esw, struct mlx5e_post_meter_priv *post_meter); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 227fa6ef9e41..f66a2546003e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -423,6 +423,7 @@ mlx5e_tc_add_flow_meter(struct mlx5e_priv *priv, ns_type = mlx5e_tc_meter_get_namespace(meter->flow_meters); post_meter = mlx5e_post_meter_init(priv, ns_type, post_act, + MLX5E_POST_METER_RATE, meter->act_counter, meter->drop_counter, attr->branch_true, attr->branch_false); if (IS_ERR(post_meter)) { |