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 | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 27122c043aea..a357e8eeeed8 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -43,6 +43,49 @@ enum { 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) { |