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From: Alexander Kozyrev <akozyrev@nvidia.com>
To: <dev@dpdk.org>
CC: <rasland@nvidia.com>, <viacheslavo@nvidia.com>, <matan@nvidia.com>,
<hamdani@nvidia.com>, <valex@nvidia.com>, <dsosnowski@nvidia.com>,
<orika@nvidia.com>, <bingz@nvidia.com>, <suanmingm@nvidia.com>
Subject: [PATCH v2 2/5] net/mlx5/hws: introduce jump to matcher action
Date: Tue, 15 Oct 2024 19:47:15 +0300
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From: Hamdan Igbaria <hamdani@nvidia.com>
Introduce jump to matcher action, this action will allow
jumping to another matcher.
For now this jump restricted to STE array matchers and
matchers of size 1.
Signed-off-by: Hamdan Igbaria <hamdani@nvidia.com>
---
drivers/net/mlx5/hws/mlx5dr.h | 29 ++++++++++
drivers/net/mlx5/hws/mlx5dr_action.c | 87 +++++++++++++++++++++++++++-
drivers/net/mlx5/hws/mlx5dr_action.h | 3 +
drivers/net/mlx5/hws/mlx5dr_debug.c | 1 +
4 files changed, 117 insertions(+), 3 deletions(-)
diff --git a/drivers/net/mlx5/hws/mlx5dr.h b/drivers/net/mlx5/hws/mlx5dr.h
index 8a1a389a3f..1b58eeb2c7 100644
--- a/drivers/net/mlx5/hws/mlx5dr.h
+++ b/drivers/net/mlx5/hws/mlx5dr.h
@@ -52,6 +52,7 @@ enum mlx5dr_action_type {
MLX5DR_ACTION_TYP_POP_IPV6_ROUTE_EXT,
MLX5DR_ACTION_TYP_PUSH_IPV6_ROUTE_EXT,
MLX5DR_ACTION_TYP_NAT64,
+ MLX5DR_ACTION_TYP_JUMP_TO_MATCHER,
MLX5DR_ACTION_TYP_MAX,
};
@@ -287,6 +288,10 @@ struct mlx5dr_rule_action {
uint32_t offset;
enum mlx5dr_action_aso_ct_flags direction;
} aso_ct;
+
+ struct {
+ uint32_t offset;
+ } jump_to_matcher;
};
};
@@ -304,6 +309,15 @@ struct mlx5dr_action_dest_attr {
} reformat;
};
+enum mlx5dr_action_jump_to_matcher_type {
+ MLX5DR_ACTION_JUMP_TO_MATCHER_BY_INDEX,
+};
+
+struct mlx5dr_action_jump_to_matcher_attr {
+ enum mlx5dr_action_jump_to_matcher_type type;
+ struct mlx5dr_matcher *matcher;
+};
+
union mlx5dr_crc_encap_entropy_hash_ip_field {
uint8_t ipv6_addr[16];
struct {
@@ -938,6 +952,21 @@ mlx5dr_action_create_nat64(struct mlx5dr_context *ctx,
struct mlx5dr_action_nat64_attr *attr,
uint32_t flags);
+/* Create direct rule jump to matcher action.
+ *
+ * @param[in] ctx
+ * The context in which the new action will be created.
+ * @param[in] attr
+ * The relevant attribute of the action.
+ * @param[in] flags
+ * Action creation flags. (enum mlx5dr_action_flags)
+ * @return pointer to mlx5dr_action on success NULL otherwise.
+ */
+struct mlx5dr_action *
+mlx5dr_action_create_jump_to_matcher(struct mlx5dr_context *ctx,
+ struct mlx5dr_action_jump_to_matcher_attr *attr,
+ uint32_t flags);
+
/* Destroy direct rule action.
*
* @param[in] action
diff --git a/drivers/net/mlx5/hws/mlx5dr_action.c b/drivers/net/mlx5/hws/mlx5dr_action.c
index 3fceb96de2..3412a96894 100644
--- a/drivers/net/mlx5/hws/mlx5dr_action.c
+++ b/drivers/net/mlx5/hws/mlx5dr_action.c
@@ -42,7 +42,8 @@ static const uint32_t action_order_arr[MLX5DR_TABLE_TYPE_MAX][MLX5DR_ACTION_TYP_
BIT(MLX5DR_ACTION_TYP_TIR) |
BIT(MLX5DR_ACTION_TYP_DROP) |
BIT(MLX5DR_ACTION_TYP_DEST_ROOT) |
- BIT(MLX5DR_ACTION_TYP_DEST_ARRAY),
+ BIT(MLX5DR_ACTION_TYP_DEST_ARRAY) |
+ BIT(MLX5DR_ACTION_TYP_JUMP_TO_MATCHER),
BIT(MLX5DR_ACTION_TYP_LAST),
},
[MLX5DR_TABLE_TYPE_NIC_TX] = {
@@ -62,7 +63,8 @@ static const uint32_t action_order_arr[MLX5DR_TABLE_TYPE_MAX][MLX5DR_ACTION_TYP_
BIT(MLX5DR_ACTION_TYP_TBL) |
BIT(MLX5DR_ACTION_TYP_MISS) |
BIT(MLX5DR_ACTION_TYP_DROP) |
- BIT(MLX5DR_ACTION_TYP_DEST_ROOT),
+ BIT(MLX5DR_ACTION_TYP_DEST_ROOT) |
+ BIT(MLX5DR_ACTION_TYP_JUMP_TO_MATCHER),
BIT(MLX5DR_ACTION_TYP_LAST),
},
[MLX5DR_TABLE_TYPE_FDB] = {
@@ -88,7 +90,8 @@ static const uint32_t action_order_arr[MLX5DR_TABLE_TYPE_MAX][MLX5DR_ACTION_TYP_
BIT(MLX5DR_ACTION_TYP_VPORT) |
BIT(MLX5DR_ACTION_TYP_DROP) |
BIT(MLX5DR_ACTION_TYP_DEST_ROOT) |
- BIT(MLX5DR_ACTION_TYP_DEST_ARRAY),
+ BIT(MLX5DR_ACTION_TYP_DEST_ARRAY) |
+ BIT(MLX5DR_ACTION_TYP_JUMP_TO_MATCHER),
BIT(MLX5DR_ACTION_TYP_LAST),
},
};
@@ -1091,6 +1094,13 @@ static void mlx5dr_action_fill_stc_attr(struct mlx5dr_action *action,
attr->action_offset = MLX5DR_ACTION_OFFSET_DW5;
attr->reparse_mode = MLX5_IFC_STC_REPARSE_ALWAYS;
break;
+ case MLX5DR_ACTION_TYP_JUMP_TO_MATCHER:
+ attr->action_type = MLX5_IFC_STC_ACTION_TYPE_JUMP_TO_STE_TABLE;
+ attr->action_offset = MLX5DR_ACTION_OFFSET_HIT;
+ attr->ste_table.ste = action->jump_to_matcher.matcher->match_ste.ste;
+ attr->ste_table.ste_pool = action->jump_to_matcher.matcher->match_ste.pool;
+ attr->ste_table.match_definer_id = action->ctx->caps->trivial_match_definer;
+ break;
default:
DR_LOG(ERR, "Invalid action type %d", action->type);
assert(false);
@@ -3078,6 +3088,57 @@ mlx5dr_action_create_nat64(struct mlx5dr_context *ctx,
return NULL;
}
+struct mlx5dr_action *
+mlx5dr_action_create_jump_to_matcher(struct mlx5dr_context *ctx,
+ struct mlx5dr_action_jump_to_matcher_attr *attr,
+ uint32_t flags)
+{
+ struct mlx5dr_matcher *matcher = attr->matcher;
+ struct mlx5dr_matcher_attr *m_attr;
+ struct mlx5dr_action *action;
+
+ if (attr->type != MLX5DR_ACTION_JUMP_TO_MATCHER_BY_INDEX) {
+ DR_LOG(ERR, "Only jump to matcher by index is supported");
+ goto enotsup;
+ }
+
+ if (mlx5dr_action_is_root_flags(flags)) {
+ DR_LOG(ERR, "Action flags must be only non root (HWS)");
+ goto enotsup;
+ }
+
+ if (mlx5dr_table_is_root(matcher->tbl)) {
+ DR_LOG(ERR, "Root matcher cannot be set as destination");
+ goto enotsup;
+ }
+
+ m_attr = &matcher->attr;
+
+ if (!(matcher->flags & MLX5DR_MATCHER_FLAGS_STE_ARRAY) &&
+ (m_attr->resizable || m_attr->table.sz_col_log || m_attr->table.sz_row_log)) {
+ DR_LOG(ERR, "Only STE array or matcher of size 1 can be set as destination");
+ goto enotsup;
+ }
+
+ action = mlx5dr_action_create_generic(ctx, flags, MLX5DR_ACTION_TYP_JUMP_TO_MATCHER);
+ if (!action)
+ return NULL;
+
+ action->jump_to_matcher.matcher = matcher;
+
+ if (mlx5dr_action_create_stcs(action, NULL)) {
+ DR_LOG(ERR, "Failed to create action jump to matcher STC");
+ simple_free(action);
+ return NULL;
+ }
+
+ return action;
+
+enotsup:
+ rte_errno = ENOTSUP;
+ return NULL;
+}
+
static void mlx5dr_action_destroy_hws(struct mlx5dr_action *action)
{
struct mlx5dr_devx_obj *obj = NULL;
@@ -3100,6 +3161,7 @@ static void mlx5dr_action_destroy_hws(struct mlx5dr_action *action)
case MLX5DR_ACTION_TYP_PUSH_VLAN:
case MLX5DR_ACTION_TYP_REMOVE_HEADER:
case MLX5DR_ACTION_TYP_VPORT:
+ case MLX5DR_ACTION_TYP_JUMP_TO_MATCHER:
mlx5dr_action_destroy_stcs(action);
break;
case MLX5DR_ACTION_TYP_DEST_ROOT:
@@ -3618,6 +3680,19 @@ mlx5dr_action_setter_default_hit(struct mlx5dr_actions_apply_data *apply,
htobe32(apply->common_res->default_stc->default_hit.offset);
}
+static void
+mlx5dr_action_setter_hit_matcher(struct mlx5dr_actions_apply_data *apply,
+ struct mlx5dr_actions_wqe_setter *setter)
+{
+ struct mlx5dr_rule_action *rule_action;
+
+ rule_action = &apply->rule_action[setter->idx_hit];
+
+ apply->wqe_data[MLX5DR_ACTION_OFFSET_HIT_LSB] =
+ htobe32(rule_action->jump_to_matcher.offset << 6);
+ mlx5dr_action_apply_stc(apply, MLX5DR_ACTION_STC_IDX_HIT, setter->idx_hit);
+}
+
static void
mlx5dr_action_setter_hit_next_action(struct mlx5dr_actions_apply_data *apply,
__rte_unused struct mlx5dr_actions_wqe_setter *setter)
@@ -3965,6 +4040,12 @@ int mlx5dr_action_template_process(struct mlx5dr_action_template *at)
}
break;
+ case MLX5DR_ACTION_TYP_JUMP_TO_MATCHER:
+ last_setter->flags |= ASF_HIT;
+ last_setter->set_hit = &mlx5dr_action_setter_hit_matcher;
+ last_setter->idx_hit = i;
+ break;
+
default:
DR_LOG(ERR, "Unsupported action type: %d", action_type[i]);
rte_errno = ENOTSUP;
diff --git a/drivers/net/mlx5/hws/mlx5dr_action.h b/drivers/net/mlx5/hws/mlx5dr_action.h
index ba4ce55228..8ce4ecd5ba 100644
--- a/drivers/net/mlx5/hws/mlx5dr_action.h
+++ b/drivers/net/mlx5/hws/mlx5dr_action.h
@@ -223,6 +223,9 @@ struct mlx5dr_action {
struct {
struct mlx5dr_action *stages[MLX5DR_ACTION_NAT64_STAGES];
} nat64;
+ struct {
+ struct mlx5dr_matcher *matcher;
+ } jump_to_matcher;
};
};
diff --git a/drivers/net/mlx5/hws/mlx5dr_debug.c b/drivers/net/mlx5/hws/mlx5dr_debug.c
index f15ad96598..8684a8197a 100644
--- a/drivers/net/mlx5/hws/mlx5dr_debug.c
+++ b/drivers/net/mlx5/hws/mlx5dr_debug.c
@@ -29,6 +29,7 @@ const char *mlx5dr_debug_action_type_str[] = {
[MLX5DR_ACTION_TYP_POP_IPV6_ROUTE_EXT] = "POP_IPV6_ROUTE_EXT",
[MLX5DR_ACTION_TYP_PUSH_IPV6_ROUTE_EXT] = "PUSH_IPV6_ROUTE_EXT",
[MLX5DR_ACTION_TYP_NAT64] = "NAT64",
+ [MLX5DR_ACTION_TYP_JUMP_TO_MATCHER] = "JUMP_TO_MATCHER",
};
static_assert(ARRAY_SIZE(mlx5dr_debug_action_type_str) == MLX5DR_ACTION_TYP_MAX,
--
2.18.2