[dpdk-dev] [PATCH v2 9/9] net/mlx5: add drop action to Direct Verbs E-Switch
Ori Kam
orika at mellanox.com
Thu Apr 18 13:28:50 CEST 2019
This commit adds support for drop action when creating E-Switch flow
using DV.
Signed-off-by: Ori Kam <orika at mellanox.com>
---
v2:
* Address ML comments.
---
drivers/net/mlx5/mlx5.c | 9 +++++++++
drivers/net/mlx5/mlx5.h | 1 +
drivers/net/mlx5/mlx5_flow_dv.c | 23 ++++++++++++++++-------
drivers/net/mlx5/mlx5_glue.c | 12 ++++++++++++
drivers/net/mlx5/mlx5_glue.h | 1 +
5 files changed, 39 insertions(+), 7 deletions(-)
diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index ff24e1d..65c69af 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->esw_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->esw_drop_action) {
+ mlx5_glue->destroy_flow_action(sh->esw_drop_action);
+ sh->esw_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->esw_drop_action) {
+ mlx5_glue->destroy_flow_action(sh->esw_drop_action);
+ sh->esw_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 4b6dbc2..a736d57 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 *esw_drop_action; /* Pointer to DR E-Switch 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 5997182..5ec8caf 100644
--- a/drivers/net/mlx5/mlx5_flow_dv.c
+++ b/drivers/net/mlx5/mlx5_flow_dv.c
@@ -4049,6 +4049,7 @@ 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;
@@ -4056,13 +4057,21 @@ 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->esw_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++] = dv->hrxq->action;
} else if (flow->actions &
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
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