[dpdk-dev] [PATCH 9/9] net/mlx5: add drop action to Direct Verbs E-Switch
Yongseok Koh
yskoh at mellanox.com
Thu Apr 18 03:28:16 CEST 2019
On Sun, Apr 14, 2019 at 09:12:37PM +0000, Ori Kam wrote:
> This commit adds support for drop action when creating E-Switch flow
> using DV.
>
> Signed-off-by: Ori Kam <orika at mellanox.com>
> ---
> drivers/net/mlx5/mlx5.c | 9 +++++++++
> drivers/net/mlx5/mlx5.h | 1 +
> drivers/net/mlx5/mlx5_flow_dv.c | 26 ++++++++++++++++----------
> drivers/net/mlx5/mlx5_glue.c | 12 ++++++++++++
> drivers/net/mlx5/mlx5_glue.h | 1 +
> 5 files changed, 39 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
> index 938ba1c..e3c6d24 100644
> --- a/drivers/net/mlx5/mlx5.c
> +++ b/drivers/net/mlx5/mlx5.c
> @@ -357,6 +357,7 @@ struct mlx5_dev_spawn_data {
> goto error;
> }
> sh->fdb_ns = ns;
> + sh->drop_action = mlx5_glue->dr_create_flow_action_drop();
> }
> #endif
> sh->dv_refcnt++;
> @@ -377,6 +378,10 @@ struct mlx5_dev_spawn_data {
> mlx5_glue->dr_destroy_ns(sh->fdb_ns);
> sh->fdb_ns = NULL;
> }
> + if (sh->drop_action) {
> + mlx5_glue->destroy_flow_action(sh->drop_action);
> + sh->drop_action = NULL;
> + }
> return err;
> #else
> (void)priv;
> @@ -417,6 +422,10 @@ struct mlx5_dev_spawn_data {
> mlx5_glue->dr_destroy_ns(sh->fdb_ns);
> sh->fdb_ns = NULL;
> }
> + if (sh->drop_action) {
> + mlx5_glue->destroy_flow_action(sh->drop_action);
> + sh->drop_action = NULL;
> + }
> #endif
> pthread_mutex_destroy(&sh->dv_mutex);
> #else
> diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
> index 016984d..fd85b9d 100644
> --- a/drivers/net/mlx5/mlx5.h
> +++ b/drivers/net/mlx5/mlx5.h
> @@ -275,6 +275,7 @@ struct mlx5_ibv_shared {
> /* RX Direct Rules tables. */
> void *tx_ns; /* TX Direct Rules name space handle. */
> struct mlx5_flow_tbl_resource tx_tbl[MLX5_MAX_TABLES];
> + void *drop_action; /* Pointer to drop action. */
Better to mention esw here?
E.g. esw_drop_action.
> /* TX Direct Rules tables/ */
> LIST_HEAD(matchers, mlx5_flow_dv_matcher) matchers;
> LIST_HEAD(encap_decap, mlx5_flow_dv_encap_decap_resource) encaps_decaps;
> diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c
> index d4dc439..4a8e894 100644
> --- a/drivers/net/mlx5/mlx5_flow_dv.c
> +++ b/drivers/net/mlx5/mlx5_flow_dv.c
> @@ -4062,6 +4062,7 @@ struct field_modify_info modify_tcp[] = {
> {
> struct mlx5_flow_dv *dv;
> struct mlx5_flow *dev_flow;
> + struct mlx5_priv *priv = dev->data->dev_private;
> int n;
> int err;
>
> @@ -4069,17 +4070,22 @@ struct field_modify_info modify_tcp[] = {
> dv = &dev_flow->dv;
> n = dv->actions_n;
> if (flow->actions & MLX5_FLOW_ACTION_DROP) {
> - dv->hrxq = mlx5_hrxq_drop_new(dev);
> - if (!dv->hrxq) {
> - rte_flow_error_set
> - (error, errno,
> - RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
> - "cannot get drop hash queue");
> - goto error;
> + if (flow->transfer)
> + dv->actions[n++] = priv->sh->drop_action;
> + else {
> + dv->hrxq = mlx5_hrxq_drop_new(dev);
> + if (!dv->hrxq) {
> + rte_flow_error_set
> + (error, errno,
> + RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
> + NULL,
> + "cannot get drop hash queue");
> + goto error;
> + }
> + dv->actions[n++] =
> + mlx5_glue->dv_create_flow_action_dest_ibv_qp
> + (dv->hrxq->qp);
> }
> - dv->actions[n++] =
> - mlx5_glue->dv_create_flow_action_dest_ibv_qp
> - (dv->hrxq->qp);
This seems to be conflicting to your previous fix, which is:
"net/mlx5: fix release of jump to queue action"
Please rebase.
Thanks,
Yongseok
> } else if (flow->actions &
> (MLX5_FLOW_ACTION_QUEUE | MLX5_FLOW_ACTION_RSS)) {
> struct mlx5_hrxq *hrxq;
> diff --git a/drivers/net/mlx5/mlx5_glue.c b/drivers/net/mlx5/mlx5_glue.c
> index 117190f..b32cd09c 100644
> --- a/drivers/net/mlx5/mlx5_glue.c
> +++ b/drivers/net/mlx5/mlx5_glue.c
> @@ -394,6 +394,16 @@
> }
>
> static void *
> +mlx5_glue_dr_create_flow_action_drop(void)
> +{
> +#ifdef HAVE_MLX5DV_DR_ESWITCH
> + return mlx5dv_dr_create_action_drop();
> +#else
> + return NULL;
> +#endif
> +}
> +
> +static void *
> mlx5_glue_dr_create_flow_tbl(void *ns, uint32_t level)
> {
> #ifdef HAVE_MLX5DV_DR
> @@ -861,6 +871,8 @@
> mlx5_glue_dr_create_flow_action_dest_flow_tbl,
> .dr_create_flow_action_dest_vport =
> mlx5_glue_dr_create_flow_action_dest_vport,
> + .dr_create_flow_action_drop =
> + mlx5_glue_dr_create_flow_action_drop,
> .dr_create_flow_tbl = mlx5_glue_dr_create_flow_tbl,
> .dr_destroy_flow_tbl = mlx5_glue_dr_destroy_flow_tbl,
> .dr_create_ns = mlx5_glue_dr_create_ns,
> diff --git a/drivers/net/mlx5/mlx5_glue.h b/drivers/net/mlx5/mlx5_glue.h
> index 26f5cb3..1d06583 100644
> --- a/drivers/net/mlx5/mlx5_glue.h
> +++ b/drivers/net/mlx5/mlx5_glue.h
> @@ -147,6 +147,7 @@ struct mlx5_glue {
> struct ibv_cq *(*cq_ex_to_cq)(struct ibv_cq_ex *cq);
> void *(*dr_create_flow_action_dest_flow_tbl)(void *tbl);
> void *(*dr_create_flow_action_dest_vport)(void *ns, uint32_t vport);
> + void *(*dr_create_flow_action_drop)();
> void *(*dr_create_flow_tbl)(void *ns, uint32_t level);
> int (*dr_destroy_flow_tbl)(void *tbl);
> void *(*dr_create_ns)(struct ibv_context *ctx,
> --
> 1.8.3.1
>
More information about the dev
mailing list