diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c | 77 |
1 files changed, 70 insertions, 7 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 1842dfb4636b..a357e8eeeed8 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -38,6 +38,54 @@ #include "mlx5_core.h" #include "eswitch.h" +enum { + FDB_FAST_PATH = 0, + FDB_SLOW_PATH +}; + +struct mlx5_flow_rule * +mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw, + struct mlx5_flow_spec *spec, + u32 action, u32 src_vport, u32 dst_vport) +{ + struct mlx5_flow_destination dest = { 0 }; + struct mlx5_fc *counter = NULL; + struct mlx5_flow_rule *rule; + void *misc; + + if (esw->mode != SRIOV_OFFLOADS) + return ERR_PTR(-EOPNOTSUPP); + + if (action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { + dest.type = MLX5_FLOW_DESTINATION_TYPE_VPORT; + dest.vport_num = dst_vport; + action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; + } else if (action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { + counter = mlx5_fc_create(esw->dev, true); + if (IS_ERR(counter)) + return ERR_CAST(counter); + dest.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; + dest.counter = counter; + } + + misc = MLX5_ADDR_OF(fte_match_param, spec->match_value, misc_parameters); + MLX5_SET(fte_match_set_misc, misc, source_port, src_vport); + + misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, misc_parameters); + MLX5_SET_TO_ONES(fte_match_set_misc, misc, source_port); + + spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS | + MLX5_MATCH_MISC_PARAMETERS; + + rule = mlx5_add_flow_rule((struct mlx5_flow_table *)esw->fdb_table.fdb, + spec, action, 0, &dest); + + if (IS_ERR(rule)) + mlx5_fc_destroy(esw->dev, counter); + + return rule; +} + static struct mlx5_flow_rule * mlx5_eswitch_add_send_to_vport_rule(struct mlx5_eswitch *esw, int vport, u32 sqn) { @@ -149,7 +197,7 @@ static int esw_add_fdb_miss_rule(struct mlx5_eswitch *esw) dest.type = MLX5_FLOW_DESTINATION_TYPE_VPORT; dest.vport_num = 0; - flow_rule = mlx5_add_flow_rule(esw->fdb_table.fdb, spec, + flow_rule = mlx5_add_flow_rule(esw->fdb_table.offloads.fdb, spec, MLX5_FLOW_CONTEXT_ACTION_FWD_DEST, 0, &dest); if (IS_ERR(flow_rule)) { @@ -165,6 +213,8 @@ out: } #define MAX_PF_SQ 256 +#define ESW_OFFLOADS_NUM_ENTRIES (1 << 13) /* 8K */ +#define ESW_OFFLOADS_NUM_GROUPS 4 static int esw_create_offloads_fdb_table(struct mlx5_eswitch *esw, int nvports) { @@ -190,15 +240,25 @@ static int esw_create_offloads_fdb_table(struct mlx5_eswitch *esw, int nvports) esw_debug(dev, "Create offloads FDB table, log_max_size(%d)\n", MLX5_CAP_ESW_FLOWTABLE_FDB(dev, log_max_ft_size)); - table_size = nvports + MAX_PF_SQ + 1; - fdb = mlx5_create_flow_table(root_ns, 0, table_size, 0); + fdb = mlx5_create_auto_grouped_flow_table(root_ns, FDB_FAST_PATH, + ESW_OFFLOADS_NUM_ENTRIES, + ESW_OFFLOADS_NUM_GROUPS, 0); if (IS_ERR(fdb)) { err = PTR_ERR(fdb); - esw_warn(dev, "Failed to create FDB Table err %d\n", err); - goto fdb_err; + esw_warn(dev, "Failed to create Fast path FDB Table err %d\n", err); + goto fast_fdb_err; } esw->fdb_table.fdb = fdb; + table_size = nvports + MAX_PF_SQ + 1; + fdb = mlx5_create_flow_table(root_ns, FDB_SLOW_PATH, table_size, 0); + if (IS_ERR(fdb)) { + err = PTR_ERR(fdb); + esw_warn(dev, "Failed to create slow path FDB Table err %d\n", err); + goto slow_fdb_err; + } + esw->fdb_table.offloads.fdb = fdb; + /* create send-to-vport group */ memset(flow_group_in, 0, inlen); MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, @@ -247,8 +307,10 @@ miss_rule_err: miss_err: mlx5_destroy_flow_group(esw->fdb_table.offloads.send_to_vport_grp); send_vport_err: - mlx5_destroy_flow_table(fdb); -fdb_err: + mlx5_destroy_flow_table(esw->fdb_table.offloads.fdb); +slow_fdb_err: + mlx5_destroy_flow_table(esw->fdb_table.fdb); +fast_fdb_err: ns_err: kvfree(flow_group_in); return err; @@ -264,6 +326,7 @@ static void esw_destroy_offloads_fdb_table(struct mlx5_eswitch *esw) mlx5_destroy_flow_group(esw->fdb_table.offloads.send_to_vport_grp); mlx5_destroy_flow_group(esw->fdb_table.offloads.miss_grp); + mlx5_destroy_flow_table(esw->fdb_table.offloads.fdb); mlx5_destroy_flow_table(esw->fdb_table.fdb); } |