diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/sample.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/sample.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/sample.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/sample.c new file mode 100644 index 0000000000..2df02f99ce --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/sample.c @@ -0,0 +1,51 @@ +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB +// Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved. + +#include <net/psample.h> +#include "act.h" +#include "en/tc_priv.h" +#include "en/tc/act/sample.h" + +static int +tc_act_parse_sample(struct mlx5e_tc_act_parse_state *parse_state, + const struct flow_action_entry *act, + struct mlx5e_priv *priv, + struct mlx5_flow_attr *attr) +{ + struct mlx5e_sample_attr *sample_attr = &attr->sample_attr; + + sample_attr->rate = act->sample.rate; + sample_attr->group_num = act->sample.psample_group->group_num; + + if (act->sample.truncate) + sample_attr->trunc_size = act->sample.trunc_size; + + attr->flags |= MLX5_ATTR_FLAG_SAMPLE; + flow_flag_set(parse_state->flow, SAMPLE); + + return 0; +} + +bool +mlx5e_tc_act_sample_is_multi_table(struct mlx5_core_dev *mdev, + struct mlx5_flow_attr *attr) +{ + if (MLX5_CAP_GEN(mdev, reg_c_preserve) || + attr->action & MLX5_FLOW_CONTEXT_ACTION_DECAP) + return true; + + return false; +} + +static bool +tc_act_is_multi_table_act_sample(struct mlx5e_priv *priv, + const struct flow_action_entry *act, + struct mlx5_flow_attr *attr) +{ + return mlx5e_tc_act_sample_is_multi_table(priv->mdev, attr); +} + +struct mlx5e_tc_act mlx5e_tc_act_sample = { + .parse_action = tc_act_parse_sample, + .is_multi_table_act = tc_act_is_multi_table_act_sample, +}; |