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From: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
To: dev@dpdk.org
Cc: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Subject: [dpdk-dev] [PATCH v3 4/4] net/mlx5: add VLAN filter support in rte_flow
Date: Wed, 21 Dec 2016 16:19:47 +0100	[thread overview]
Message-ID: <297c72974f64847299a3533994470791cccf436e.1482331954.git.nelio.laranjeiro@6wind.com> (raw)
In-Reply-To: <cover.1482331954.git.nelio.laranjeiro@6wind.com>
In-Reply-To: <cover.1482331954.git.nelio.laranjeiro@6wind.com>

Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
---
 drivers/net/mlx5/mlx5_flow.c | 59 ++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 57 insertions(+), 2 deletions(-)

diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index a33c568..2478fb6 100644
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -184,6 +184,9 @@ priv_flow_validate(struct priv *priv,
 			.dst_port = -1,
 		},
 	};
+	const struct rte_flow_item_vlan vlan_mask = {
+		.tci = -1,
+	};
 
 	if (attr->group) {
 		rte_flow_error_set(error, ENOTSUP,
@@ -228,11 +231,32 @@ priv_flow_validate(struct priv *priv,
 					sizeof(eth_mask));
 			if (err)
 				goto exit_item_not_supported;
-		} else if (items->type == RTE_FLOW_ITEM_TYPE_IPV4) {
+		} else if (items->type == RTE_FLOW_ITEM_TYPE_VLAN) {
 			if (!ilast)
 				goto exit_item_not_supported;
 			else if (ilast->type != RTE_FLOW_ITEM_TYPE_ETH)
 				goto exit_item_not_supported;
+			if (((const struct rte_flow_item_vlan *)items)->tci >
+			    ETHER_MAX_VLAN_ID) {
+				rte_flow_error_set(error, ENOTSUP,
+						   RTE_FLOW_ERROR_TYPE_ITEM,
+						   items,
+						   "wrong VLAN tci value");
+				goto exit;
+			}
+			ilast = items;
+			err = mlx5_flow_item_validate(
+					items,
+					(const uint8_t *)&vlan_mask,
+					sizeof(vlan_mask));
+			if (err)
+				goto exit_item_not_supported;
+		} else if (items->type == RTE_FLOW_ITEM_TYPE_IPV4) {
+			if (!ilast)
+				goto exit_item_not_supported;
+			else if (ilast->type != RTE_FLOW_ITEM_TYPE_ETH &&
+				 ilast->type != RTE_FLOW_ITEM_TYPE_VLAN)
+				goto exit_item_not_supported;
 			ilast = items;
 			err = mlx5_flow_item_validate(
 					items,
@@ -243,7 +267,8 @@ priv_flow_validate(struct priv *priv,
 		} else if (items->type == RTE_FLOW_ITEM_TYPE_IPV6) {
 			if (!ilast)
 				goto exit_item_not_supported;
-			else if (ilast->type != RTE_FLOW_ITEM_TYPE_ETH)
+			else if (ilast->type != RTE_FLOW_ITEM_TYPE_ETH &&
+				 ilast->type != RTE_FLOW_ITEM_TYPE_VLAN)
 				goto exit_item_not_supported;
 			ilast = items;
 			err = mlx5_flow_item_validate(
@@ -372,6 +397,28 @@ mlx5_flow_create_eth(const struct rte_flow_item *item,
 }
 
 /**
+ * Convert VLAN item to Verbs specification.
+ *
+ * @param item[in]
+ *   Item specification.
+ * @param eth[in, out]
+ *   Verbs Ethernet specification structure.
+ */
+static void
+mlx5_flow_create_vlan(const struct rte_flow_item *item,
+		      struct ibv_exp_flow_spec_eth *eth)
+{
+	const struct rte_flow_item_vlan *spec = item->spec;
+	const struct rte_flow_item_vlan *mask = item->mask;
+
+	if (spec)
+		eth->val.vlan_tag = spec->tci;
+	if (mask)
+		eth->mask.vlan_tag = mask->tci;
+	eth->val.vlan_tag &= eth->mask.vlan_tag;
+}
+
+/**
  * Convert IPv4 item to Verbs specification.
  *
  * @param item[in]
@@ -700,6 +747,14 @@ priv_flow_create(struct priv *priv,
 			flow_size += eth_size;
 			++ibv_attr->num_of_specs;
 			ibv_attr->priority = 2;
+		} else if (items->type == RTE_FLOW_ITEM_TYPE_VLAN) {
+			struct ibv_exp_flow_spec_eth *eth;
+			unsigned int eth_size =
+				sizeof(struct ibv_exp_flow_spec_eth);
+
+			eth = (void *)((uintptr_t)ibv_attr + flow_size -
+				       eth_size);
+			mlx5_flow_create_vlan(items, eth);
 		} else if (items->type == RTE_FLOW_ITEM_TYPE_IPV4) {
 			struct ibv_exp_flow_spec_ipv4 *ipv4;
 			unsigned int ipv4_size =
-- 
2.1.4

  parent reply	other threads:[~2016-12-21 15:20 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-25 18:14 [dpdk-dev] [PATCH 0/3] net/mlx5: support flow_rte Nelio Laranjeiro
2016-11-25 18:14 ` [dpdk-dev] [PATCH 1/3] net/mlx5: add preliminary support for rte_flow Nelio Laranjeiro
2016-11-25 18:14 ` [dpdk-dev] [PATCH 2/3] net/mlx5: add software " Nelio Laranjeiro
2016-11-25 18:14 ` [dpdk-dev] [PATCH 3/3] net/mlx5: add rte_flow rule creation Nelio Laranjeiro
2016-12-21 10:01 ` [dpdk-dev] [PATCH v2 0/4] net/mlx5: support flow_rte Nelio Laranjeiro
2016-12-21 15:19   ` [dpdk-dev] [PATCH v3 " Nelio Laranjeiro
2016-12-28 10:37     ` [dpdk-dev] [PATCH v4 0/6] net/mlx5: support flow API Nelio Laranjeiro
2016-12-29 15:15       ` [dpdk-dev] [PATCH v5 " Nelio Laranjeiro
2017-01-03 16:19         ` Ferruh Yigit
2017-01-04 14:48         ` Ferruh Yigit
2016-12-29 15:15       ` [dpdk-dev] [PATCH v5 1/6] net/mlx5: add preliminary flow API support Nelio Laranjeiro
2016-12-29 15:15       ` [dpdk-dev] [PATCH v5 2/6] net/mlx5: support basic flow items and actions Nelio Laranjeiro
2017-01-04 17:49         ` Ferruh Yigit
2017-01-04 18:42           ` Adrien Mazarguil
2017-01-06 13:52             ` Ferruh Yigit
2017-01-09 15:29               ` Adrien Mazarguil
2016-12-29 15:15       ` [dpdk-dev] [PATCH v5 3/6] net/mlx5: support VLAN flow item Nelio Laranjeiro
2016-12-29 15:15       ` [dpdk-dev] [PATCH v5 4/6] net/mlx5: support VXLAN " Nelio Laranjeiro
2016-12-29 15:15       ` [dpdk-dev] [PATCH v5 5/6] net/mlx5: support mark flow action Nelio Laranjeiro
2016-12-29 15:15       ` [dpdk-dev] [PATCH v5 6/6] net/mlx5: extend IPv4 flow item Nelio Laranjeiro
2016-12-28 10:37     ` [dpdk-dev] [PATCH v4 1/6] net/mlx5: add preliminary flow API support Nelio Laranjeiro
2016-12-28 10:37     ` [dpdk-dev] [PATCH v4 2/6] net/mlx5: support basic flow items and actions Nelio Laranjeiro
2016-12-28 10:37     ` [dpdk-dev] [PATCH v4 3/6] net/mlx5: support VLAN flow item Nelio Laranjeiro
2016-12-28 10:37     ` [dpdk-dev] [PATCH v4 4/6] net/mlx5: support VXLAN " Nelio Laranjeiro
2016-12-28 10:37     ` [dpdk-dev] [PATCH v4 5/6] net/mlx5: support mark flow action Nelio Laranjeiro
2016-12-28 10:37     ` [dpdk-dev] [PATCH v4 6/6] net/mlx5: extend IPv4 flow item Nelio Laranjeiro
2016-12-21 15:19   ` [dpdk-dev] [PATCH v3 1/4] net/mlx5: add preliminary support for rte_flow Nelio Laranjeiro
2016-12-21 15:19   ` [dpdk-dev] [PATCH v3 2/4] net/mlx5: add software " Nelio Laranjeiro
2016-12-23 12:19     ` Ferruh Yigit
2016-12-23 13:24       ` Adrien Mazarguil
2016-12-21 15:19   ` [dpdk-dev] [PATCH v3 3/4] net/mlx5: add rte_flow rule creation Nelio Laranjeiro
2016-12-23 12:21     ` Ferruh Yigit
2016-12-26 12:20       ` Nélio Laranjeiro
2016-12-21 15:19   ` Nelio Laranjeiro [this message]
2016-12-21 10:01 ` [dpdk-dev] [PATCH v2 1/4] net/mlx5: add preliminary support for rte_flow Nelio Laranjeiro
2016-12-21 10:01 ` [dpdk-dev] [PATCH v2 2/4] net/mlx5: add software " Nelio Laranjeiro
2016-12-21 10:01 ` [dpdk-dev] [PATCH v2 3/4] net/mlx5: add rte_flow rule creation Nelio Laranjeiro
2016-12-21 10:01 ` [dpdk-dev] [PATCH v2 4/4] net/mlx5: add VLAN filter support in rte_flow Nelio Laranjeiro

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