From: Gregory Etelson <getelson@nvidia.com>
To: <dev@dpdk.org>, <getelson@nvidia.com>, <viacheslavo@nvidia.com>
Cc: <matan@nvidia.com>
Subject: [dpdk-dev] [PATCH v2 9/9] net/mlx5: handle flex item in flows
Date: Tue, 2 Nov 2021 10:53:46 +0200 [thread overview]
Message-ID: <20211102085347.20568-10-getelson@nvidia.com> (raw)
In-Reply-To: <20211102085347.20568-1-getelson@nvidia.com>
Provide flex item recognition, validation and translation
in flow patterns. Track the flex item referencing.
Signed-off-by: Gregory Etelson <getelson@nvidia.com>
Reviewed-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
---
drivers/net/mlx5/mlx5_flow.h | 9 ++-
drivers/net/mlx5/mlx5_flow_dv.c | 124 ++++++++++++++++++++++++++++++++
2 files changed, 132 insertions(+), 1 deletion(-)
diff --git a/drivers/net/mlx5/mlx5_flow.h b/drivers/net/mlx5/mlx5_flow.h
index 43399471ec..ce37c4a197 100644
--- a/drivers/net/mlx5/mlx5_flow.h
+++ b/drivers/net/mlx5/mlx5_flow.h
@@ -179,6 +179,11 @@ enum mlx5_feature_name {
/* Conntrack item. */
#define MLX5_FLOW_LAYER_ASO_CT (UINT64_C(1) << 36)
+/* Flex item */
+#define MLX5_FLOW_ITEM_OUTER_FLEX (UINT64_C(1) << 36)
+#define MLX5_FLOW_ITEM_INNER_FLEX (UINT64_C(1) << 37)
+#define MLX5_FLOW_ITEM_FLEX_TUNNEL (UINT64_C(1) << 38)
+
/* Outer Masks. */
#define MLX5_FLOW_LAYER_OUTER_L3 \
(MLX5_FLOW_LAYER_OUTER_L3_IPV4 | MLX5_FLOW_LAYER_OUTER_L3_IPV6)
@@ -193,7 +198,8 @@ enum mlx5_feature_name {
(MLX5_FLOW_LAYER_VXLAN | MLX5_FLOW_LAYER_VXLAN_GPE | \
MLX5_FLOW_LAYER_GRE | MLX5_FLOW_LAYER_NVGRE | MLX5_FLOW_LAYER_MPLS | \
MLX5_FLOW_LAYER_IPIP | MLX5_FLOW_LAYER_IPV6_ENCAP | \
- MLX5_FLOW_LAYER_GENEVE | MLX5_FLOW_LAYER_GTP)
+ MLX5_FLOW_LAYER_GENEVE | MLX5_FLOW_LAYER_GTP | \
+ MLX5_FLOW_ITEM_FLEX_TUNNEL)
/* Inner Masks. */
#define MLX5_FLOW_LAYER_INNER_L3 \
@@ -692,6 +698,7 @@ struct mlx5_flow_handle {
uint32_t is_meter_flow_id:1; /**< Indate if flow_id is for meter. */
uint32_t mark:1; /**< Metadate rxq mark flag. */
uint32_t fate_action:3; /**< Fate action type. */
+ uint32_t flex_item; /**< referenced Flex Item bitmask. */
union {
uint32_t rix_hrxq; /**< Hash Rx queue object index. */
uint32_t rix_jump; /**< Index to the jump action resource. */
diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c
index 9d60c9154f..85a504ca2c 100644
--- a/drivers/net/mlx5/mlx5_flow_dv.c
+++ b/drivers/net/mlx5/mlx5_flow_dv.c
@@ -6687,6 +6687,88 @@ flow_dv_validate_item_integrity(struct rte_eth_dev *dev,
return 0;
}
+static int
+flow_dv_validate_item_flex(struct rte_eth_dev *dev,
+ const struct rte_flow_item *item,
+ uint64_t item_flags,
+ uint64_t *last_item,
+ bool is_inner,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item_flex *flow_spec = item->spec;
+ const struct rte_flow_item_flex *flow_mask = item->mask;
+ struct mlx5_flex_item *flex;
+
+ if (!flow_spec)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, NULL,
+ "flex flow item spec cannot be NULL");
+ if (!flow_mask)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, NULL,
+ "flex flow item mask cannot be NULL");
+ if (item->last)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM, NULL,
+ "flex flow item last not supported");
+ if (mlx5_flex_acquire_index(dev, flow_spec->handle, false) < 0)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, NULL,
+ "invalid flex flow item handle");
+ flex = (struct mlx5_flex_item *)flow_spec->handle;
+ switch (flex->tunnel_mode) {
+ case FLEX_TUNNEL_MODE_SINGLE:
+ if (item_flags &
+ (MLX5_FLOW_ITEM_OUTER_FLEX | MLX5_FLOW_ITEM_INNER_FLEX))
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "multiple flex items not supported");
+ break;
+ case FLEX_TUNNEL_MODE_OUTER:
+ if (is_inner)
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "inner flex item was not configured");
+ if (item_flags & MLX5_FLOW_ITEM_OUTER_FLEX)
+ rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "multiple flex items not supported");
+ break;
+ case FLEX_TUNNEL_MODE_INNER:
+ if (!is_inner)
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "outer flex item was not configured");
+ if (item_flags & MLX5_FLOW_ITEM_INNER_FLEX)
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "multiple flex items not supported");
+ break;
+ case FLEX_TUNNEL_MODE_MULTI:
+ if ((is_inner && (item_flags & MLX5_FLOW_ITEM_INNER_FLEX)) ||
+ (!is_inner && (item_flags & MLX5_FLOW_ITEM_OUTER_FLEX))) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "multiple flex items not supported");
+ }
+ break;
+ case FLEX_TUNNEL_MODE_TUNNEL:
+ if (is_inner || (item_flags & MLX5_FLOW_ITEM_FLEX_TUNNEL))
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "multiple flex tunnel items not supported");
+ break;
+ default:
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "invalid flex item configuration");
+ }
+ *last_item = flex->tunnel_mode == FLEX_TUNNEL_MODE_TUNNEL ?
+ MLX5_FLOW_ITEM_FLEX_TUNNEL : is_inner ?
+ MLX5_FLOW_ITEM_INNER_FLEX : MLX5_FLOW_ITEM_OUTER_FLEX;
+ return 0;
+}
+
/**
* Internal validation function. For validating both actions and items.
*
@@ -7125,6 +7207,13 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
* list it here as a supported type
*/
break;
+ case RTE_FLOW_ITEM_TYPE_FLEX:
+ ret = flow_dv_validate_item_flex(dev, items, item_flags,
+ &last_item,
+ tunnel != 0, error);
+ if (ret < 0)
+ return ret;
+ break;
default:
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM,
@@ -9995,6 +10084,27 @@ flow_dv_translate_item_aso_ct(struct rte_eth_dev *dev,
reg_value, reg_mask);
}
+static void
+flow_dv_translate_item_flex(struct rte_eth_dev *dev, void *matcher, void *key,
+ const struct rte_flow_item *item,
+ struct mlx5_flow *dev_flow, bool is_inner)
+{
+ const struct rte_flow_item_flex *spec =
+ (const struct rte_flow_item_flex *)item->spec;
+ int index = mlx5_flex_acquire_index(dev, spec->handle, false);
+
+ MLX5_ASSERT(index >= 0 && index <= (int)(sizeof(uint32_t) * CHAR_BIT));
+ if (index < 0)
+ return;
+ if (!(dev_flow->handle->flex_item & RTE_BIT32(index))) {
+ /* Don't count both inner and outer flex items in one rule. */
+ if (mlx5_flex_acquire_index(dev, spec->handle, true) != index)
+ MLX5_ASSERT(false);
+ dev_flow->handle->flex_item |= RTE_BIT32(index);
+ }
+ mlx5_flex_flow_translate_item(dev, matcher, key, item, is_inner);
+}
+
static uint32_t matcher_zero[MLX5_ST_SZ_DW(fte_match_param)] = { 0 };
#define HEADER_IS_ZERO(match_criteria, headers) \
@@ -13431,6 +13541,13 @@ flow_dv_translate(struct rte_eth_dev *dev,
flow_dv_translate_item_aso_ct(dev, match_mask,
match_value, items);
break;
+ case RTE_FLOW_ITEM_TYPE_FLEX:
+ flow_dv_translate_item_flex(dev, match_mask,
+ match_value, items,
+ dev_flow, tunnel != 0);
+ last_item = tunnel ? MLX5_FLOW_ITEM_INNER_FLEX :
+ MLX5_FLOW_ITEM_OUTER_FLEX;
+ break;
default:
break;
}
@@ -14310,6 +14427,12 @@ flow_dv_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
if (!dev_handle)
return;
flow->dev_handles = dev_handle->next.next;
+ while (dev_handle->flex_item) {
+ int index = rte_bsf32(dev_handle->flex_item);
+
+ mlx5_flex_release_index(dev, index);
+ dev_handle->flex_item &= ~RTE_BIT32(index);
+ }
if (dev_handle->dvh.matcher)
flow_dv_matcher_release(dev, dev_handle);
if (dev_handle->dvh.rix_sample)
@@ -17968,5 +18091,6 @@ const struct mlx5_flow_driver_ops mlx5_flow_dv_drv_ops = {
.item_create = flow_dv_item_create,
.item_release = flow_dv_item_release,
};
+
#endif /* HAVE_IBV_FLOW_DV_SUPPORT */
--
2.33.1
next prev parent reply other threads:[~2021-11-02 8:55 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-01 9:15 [dpdk-dev] [PATCH 0/9] net/mlx5: add flex item support Gregory Etelson
2021-11-01 9:15 ` [dpdk-dev] [PATCH 1/9] common/mlx5: refactor HCA attributes query Gregory Etelson
2021-11-01 9:15 ` [dpdk-dev] [PATCH 2/9] common/mlx5: extend flex parser capabilities Gregory Etelson
2021-11-01 9:15 ` [dpdk-dev] [PATCH 3/9] common/mlx5: fix flex parser DevX creation routine Gregory Etelson
2021-11-01 9:15 ` [dpdk-dev] [PATCH 4/9] net/mlx5: update eCPRI flex parser structures Gregory Etelson
2021-11-01 9:15 ` [dpdk-dev] [PATCH 5/9] net/mlx5: add flex item API Gregory Etelson
2021-11-01 9:15 ` [dpdk-dev] [PATCH 6/9] net/mlx5: add flex parser DevX object management Gregory Etelson
2021-11-01 9:15 ` [dpdk-dev] [PATCH 7/9] net/mlx5: translate flex item configuration Gregory Etelson
2021-11-01 9:15 ` [dpdk-dev] [PATCH 8/9] net/mlx5: translate flex item pattern into matcher Gregory Etelson
2021-11-01 9:15 ` [dpdk-dev] [PATCH 9/9] net/mlx5: handle flex item in flows Gregory Etelson
2021-11-02 8:53 ` [dpdk-dev] [PATCH v2 0/9] net/mlx5: add flex item support Gregory Etelson
2021-11-02 8:53 ` [dpdk-dev] [PATCH v2 1/9] common/mlx5: refactor HCA attributes query Gregory Etelson
2021-11-02 8:53 ` [dpdk-dev] [PATCH v2 2/9] common/mlx5: extend flex parser capabilities Gregory Etelson
2021-11-02 8:53 ` [dpdk-dev] [PATCH v2 3/9] common/mlx5: fix flex parser DevX creation routine Gregory Etelson
2021-11-02 8:53 ` [dpdk-dev] [PATCH v2 4/9] net/mlx5: update eCPRI flex parser structures Gregory Etelson
2021-11-02 8:53 ` [dpdk-dev] [PATCH v2 5/9] net/mlx5: add flex item API Gregory Etelson
2021-11-02 8:53 ` [dpdk-dev] [PATCH v2 6/9] net/mlx5: add flex parser DevX object management Gregory Etelson
2021-11-02 8:53 ` [dpdk-dev] [PATCH v2 7/9] net/mlx5: translate flex item configuration Gregory Etelson
2021-11-02 8:53 ` [dpdk-dev] [PATCH v2 8/9] net/mlx5: translate flex item pattern into matcher Gregory Etelson
2021-11-02 8:53 ` Gregory Etelson [this message]
2021-11-03 12:57 ` [dpdk-dev] [PATCH v2 0/9] net/mlx5: add flex item support Raslan Darawsheh
2021-11-03 18:24 ` Ferruh Yigit
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