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 | 39 |
1 files changed, 39 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 e3d81aeac83b..8964f71d106f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -38,6 +38,45 @@ #include "mlx5_core.h" #include "eswitch.h" +struct mlx5_flow_rule * +mlx5_eswitch_add_send_to_vport_rule(struct mlx5_eswitch *esw, int vport, u32 sqn) +{ + struct mlx5_flow_destination dest; + struct mlx5_flow_rule *flow_rule; + int match_header = MLX5_MATCH_MISC_PARAMETERS; + u32 *match_v, *match_c; + void *misc; + + match_v = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL); + match_c = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL); + if (!match_v || !match_c) { + esw_warn(esw->dev, "FDB: Failed to alloc match parameters\n"); + flow_rule = ERR_PTR(-ENOMEM); + goto out; + } + + misc = MLX5_ADDR_OF(fte_match_param, match_v, misc_parameters); + MLX5_SET(fte_match_set_misc, misc, source_sqn, sqn); + MLX5_SET(fte_match_set_misc, misc, source_port, 0x0); /* source vport is 0 */ + + misc = MLX5_ADDR_OF(fte_match_param, match_c, misc_parameters); + MLX5_SET_TO_ONES(fte_match_set_misc, misc, source_sqn); + MLX5_SET_TO_ONES(fte_match_set_misc, misc, source_port); + + dest.type = MLX5_FLOW_DESTINATION_TYPE_VPORT; + dest.vport_num = vport; + + flow_rule = mlx5_add_flow_rule(esw->fdb_table.fdb, match_header, match_c, + match_v, MLX5_FLOW_CONTEXT_ACTION_FWD_DEST, + 0, &dest); + if (IS_ERR(flow_rule)) + esw_warn(esw->dev, "FDB: Failed to add send to vport rule err %ld\n", PTR_ERR(flow_rule)); +out: + kfree(match_v); + kfree(match_c); + return flow_rule; +} + static int esw_add_fdb_miss_rule(struct mlx5_eswitch *esw) { struct mlx5_flow_destination dest; |