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From: Xiaoyu Min <jackmin@mellanox.com>
To: Adrien Mazarguil <adrien.mazarguil@6wind.com>,
	John McNamara <john.mcnamara@intel.com>,
	Marko Kovacevic <marko.kovacevic@intel.com>,
	Thomas Monjalon <thomas@monjalon.net>,
	Ferruh Yigit <ferruh.yigit@intel.com>,
	Andrew Rybchenko <arybchenko@solarflare.com>
Cc: dev@dpdk.org, jackmin@mellanox.com
Subject: [dpdk-dev] [RFC v2] ethdev: add GRE key field to flow API
Date: Wed, 15 May 2019 16:24:47 +0300	[thread overview]
Message-ID: <20190515132448.9744-1-jackmin@mellanox.com> (raw)
Message-ID: <20190515132447.F1k9IvFYzILrSF_Yfc-gBVk6YAvh6cu61USYFITzDf4@z> (raw)
In-Reply-To: <20190514071829.5251-1-jackmin@mellanox.com>

Add new rte_flow_item_gre_key in order to match the optional key field.

Signed-off-by: Xiaoyu Min <jackmin@mellanox.com>
---
 v2:
 * new rte_flow_item_gre_key added instead of expanding existing
   rte_flow_item_gre.
 * updated document.

 doc/guides/prog_guide/rte_flow.rst |  9 +++++++++
 lib/librte_ethdev/rte_flow.c       |  1 +
 lib/librte_ethdev/rte_flow.h       | 27 +++++++++++++++++++++++++++
 3 files changed, 37 insertions(+)

diff --git a/doc/guides/prog_guide/rte_flow.rst b/doc/guides/prog_guide/rte_flow.rst
index 937f52bce1..8b79818f44 100644
--- a/doc/guides/prog_guide/rte_flow.rst
+++ b/doc/guides/prog_guide/rte_flow.rst
@@ -980,6 +980,15 @@ Matches a GRE header.
 - ``protocol``: protocol type.
 - Default ``mask`` matches protocol only.
 
+Item: ``GRE_KEY``
+^^^^^^^^^^^^^^^^^
+
+Matches a GRE key field.
+This should be preceded by item ``GRE``
+
+- ``key``: key value.
+- Default ``mask`` matches key only.
+
 Item: ``FUZZY``
 ^^^^^^^^^^^^^^^
 
diff --git a/lib/librte_ethdev/rte_flow.c b/lib/librte_ethdev/rte_flow.c
index 3277be1edb..1cd5f4d263 100644
--- a/lib/librte_ethdev/rte_flow.c
+++ b/lib/librte_ethdev/rte_flow.c
@@ -55,6 +55,7 @@ static const struct rte_flow_desc_data rte_flow_desc_item[] = {
 	MK_FLOW_ITEM(NVGRE, sizeof(struct rte_flow_item_nvgre)),
 	MK_FLOW_ITEM(MPLS, sizeof(struct rte_flow_item_mpls)),
 	MK_FLOW_ITEM(GRE, sizeof(struct rte_flow_item_gre)),
+	MK_FLOW_ITEM(GRE_KEY, sizeof(struct rte_flow_item_gre_key)),
 	MK_FLOW_ITEM(FUZZY, sizeof(struct rte_flow_item_fuzzy)),
 	MK_FLOW_ITEM(GTP, sizeof(struct rte_flow_item_gtp)),
 	MK_FLOW_ITEM(GTPC, sizeof(struct rte_flow_item_gtp)),
diff --git a/lib/librte_ethdev/rte_flow.h b/lib/librte_ethdev/rte_flow.h
index 63f84fca65..b36c3b980a 100644
--- a/lib/librte_ethdev/rte_flow.h
+++ b/lib/librte_ethdev/rte_flow.h
@@ -289,6 +289,13 @@ enum rte_flow_item_type {
 	 */
 	RTE_FLOW_ITEM_TYPE_GRE,
 
+	/**
+	 * Matches a GRE optional key field.
+	 *
+	 * See struct rte_flow_item_gre_key.
+	 */
+	RTE_FLOW_ITEM_TYPE_GRE_KEY,
+
 	/**
 	 * [META]
 	 *
@@ -856,6 +863,26 @@ static const struct rte_flow_item_gre rte_flow_item_gre_mask = {
 };
 #endif
 
+/**
+ * RTE_FLOW_ITEM_GRE_KEY.
+ *
+ * Matches the presence of a GRE key.
+ *
+ * Normally preceding by:
+ *
+ * - RTE_FLOW_ITEM_TYPE_GRE
+ */
+struct rte_flow_item_gre_key {
+	rte_be32_t key; /**< Application specific key value (K bit). */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_GRE_KEY. */
+#ifndef __cplusplus
+static const struct rte_flow_item_gre_key rte_flow_gre_key_mask = {
+	.key = RTE_BE32(UINT32_MAX),
+};
+#endif
+
 /**
  * RTE_FLOW_ITEM_TYPE_FUZZY
  *
-- 
2.21.0


  parent reply	other threads:[~2019-05-15 13:25 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-14  7:18 [dpdk-dev] [RFC] ethdev: add GRE optional fields " Xiaoyu Min
2019-05-14  7:18 ` Xiaoyu Min
2019-05-14  7:34 ` Andrew Rybchenko
2019-05-14  7:34   ` Andrew Rybchenko
2019-05-14  9:00   ` Adrien Mazarguil
2019-05-14  9:00     ` Adrien Mazarguil
2019-05-15  8:55     ` Jack Min
2019-05-15  8:55       ` Jack Min
2019-05-14 15:25 ` Stephen Hemminger
2019-05-14 15:25   ` Stephen Hemminger
2019-05-15  8:56   ` Jack Min
2019-05-15  8:56     ` Jack Min
2019-05-15 13:24 ` Xiaoyu Min [this message]
2019-05-15 13:24   ` [dpdk-dev] [RFC v2] ethdev: add GRE key field " Xiaoyu Min

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