Commit f6f46e71 authored by Erez Shitrit's avatar Erez Shitrit Committed by Saeed Mahameed
Browse files

net/mlx5: DR, Add check for multi destination FTE 



The driver should not allow rule that forward to more than one FT in TX
flow unless there is a specific support from the FW.

Signed-off-by: default avatarErez Shitrit <erezsh@nvidia.com>
Reviewed-by: default avatarMoshe Shemesh <moshe@nvidia.com>
Reviewed-by: default avatarYevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
parent 653b7eb9

drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c

+13 −0
Original line number Diff line number Diff line
@@ -55,6 +55,12 @@ static const char *dr_action_id_to_str(enum mlx5dr_action_type action_id) 
	return action_type_to_str[action_id];

}



static bool mlx5dr_action_supp_fwd_fdb_multi_ft(struct mlx5_core_dev *dev)

{

	return (MLX5_CAP_ESW_FLOWTABLE(dev, fdb_multi_path_any_table_limit_regc) ||

		MLX5_CAP_ESW_FLOWTABLE(dev, fdb_multi_path_any_table));

}



static const enum dr_action_valid_state

next_action_state[DR_ACTION_DOMAIN_MAX][DR_ACTION_STATE_MAX][DR_ACTION_TYP_MAX] = {

	[DR_ACTION_DOMAIN_NIC_INGRESS] = {
@@ -1167,6 +1173,7 @@ mlx5dr_action_create_mult_dest_tbl(struct mlx5dr_domain *dmn, 
	struct mlx5dr_action **ref_actions;

	struct mlx5dr_action *action;

	bool reformat_req = false;

	u16 num_dst_ft = 0;

	u32 num_of_ref = 0;

	u32 ref_act_cnt;

	int ret;
@@ -1210,6 +1217,12 @@ mlx5dr_action_create_mult_dest_tbl(struct mlx5dr_domain *dmn, 
			break;



		case DR_ACTION_TYP_FT:

			if (num_dst_ft &&

			    !mlx5dr_action_supp_fwd_fdb_multi_ft(dmn->mdev)) {

				mlx5dr_dbg(dmn, "multiple FT destinations not supported\n");

				goto free_ref_actions;

			}

			num_dst_ft++;

			hw_dests[i].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;

			if (dest_action->dest_tbl->is_fw_tbl)

				hw_dests[i].ft_id = dest_action->dest_tbl->fw_tbl.id;