[dpdk-dev] [PATCH 1/3] app/testpmd: support MPLS for generic filter

[Beilei Xing <beilei.xing@intel.com>]

This patch adds MPLS support for generic filter
API.

Signed-off-by: Beilei Xing <beilei.xing@intel.com>
---
 app/test-pmd/cmdline_flow.c | 55 +++++++++++++++++++++++++++++++++++++++++++++
 app/test-pmd/config.c       |  2 ++
 lib/librte_ether/rte_flow.h | 40 +++++++++++++++++++++++++++++++++
 3 files changed, 97 insertions(+)

diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c
index ff98690..241bda1 100644
--- a/app/test-pmd/cmdline_flow.c
+++ b/app/test-pmd/cmdline_flow.c
@@ -159,6 +159,11 @@ enum index {
 	ITEM_SCTP_CKSUM,
 	ITEM_VXLAN,
 	ITEM_VXLAN_VNI,
+	ITEM_MPLS,
+	ITEM_MPLS_LABEL,
+	ITEM_GRE,
+	ITEM_GRE_FLAGS,
+	ITEM_GRE_PROTO,
 
 	/* Validate/create actions. */
 	ACTIONS,
@@ -432,6 +437,8 @@ static const enum index next_item[] = {
 	ITEM_TCP,
 	ITEM_SCTP,
 	ITEM_VXLAN,
+	ITEM_MPLS,
+	ITEM_GRE,
 	ZERO,
 };
 
@@ -538,6 +545,19 @@ static const enum index item_vxlan[] = {
 	ZERO,
 };
 
+static const enum index item_mpls[] = {
+	ITEM_MPLS_LABEL,
+	ITEM_NEXT,
+	ZERO,
+};
+
+static const enum index item_gre[] = {
+	ITEM_GRE_FLAGS,
+	ITEM_GRE_PROTO,
+	ITEM_NEXT,
+	ZERO,
+};
+
 static const enum index next_action[] = {
 	ACTION_END,
 	ACTION_VOID,
@@ -1279,6 +1299,41 @@ static const struct token token_list[] = {
 		.next = NEXT(item_vxlan, NEXT_ENTRY(UNSIGNED), item_param),
 		.args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_vxlan, vni)),
 	},
+	[ITEM_MPLS] = {
+		.name = "mpls",
+		.help = "match MPLS header",
+		.priv = PRIV_ITEM(MPLS, sizeof(struct rte_flow_item_mpls)),
+		.next = NEXT(item_mpls),
+		.call = parse_vc,
+	},
+	[ITEM_MPLS_LABEL] = {
+		.name = "label",
+		.help = "MPLS label",
+		.next = NEXT(item_mpls, NEXT_ENTRY(UNSIGNED), item_param),
+		.args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_mpls,
+					     label_tc_s_ttl)),
+	},
+	[ITEM_GRE] = {
+		.name = "gre",
+		.help = "match GRE header",
+		.priv = PRIV_ITEM(GRE, sizeof(struct rte_flow_item_gre)),
+		.next = NEXT(item_gre),
+		.call = parse_vc,
+	},
+	[ITEM_GRE_FLAGS] = {
+		.name = "c_rsvd0_ver",
+		.help = "GRE c_rsvd0_ver",
+		.next = NEXT(item_gre, NEXT_ENTRY(UNSIGNED), item_param),
+		.args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_gre,
+					     c_rsvd0_ver)),
+	},
+	[ITEM_GRE_PROTO] = {
+		.name = "protocol",
+		.help = "GRE protocol type",
+		.next = NEXT(item_gre, NEXT_ENTRY(UNSIGNED), item_param),
+		.args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_gre,
+					     protocol)),
+	},
 	/* Validate/create actions. */
 	[ACTIONS] = {
 		.name = "actions",
diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index 80491fc..c042765 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -963,6 +963,8 @@ static const struct {
 	MK_FLOW_ITEM(TCP, sizeof(struct rte_flow_item_tcp)),
 	MK_FLOW_ITEM(SCTP, sizeof(struct rte_flow_item_sctp)),
 	MK_FLOW_ITEM(VXLAN, sizeof(struct rte_flow_item_vxlan)),
+	MK_FLOW_ITEM(MPLS, sizeof(struct rte_flow_item_mpls)),
+	MK_FLOW_ITEM(GRE, sizeof(struct rte_flow_item_gre)),
 };
 
 /** Compute storage space needed by item specification. */
diff --git a/lib/librte_ether/rte_flow.h b/lib/librte_ether/rte_flow.h
index 171a569..c845953 100644
--- a/lib/librte_ether/rte_flow.h
+++ b/lib/librte_ether/rte_flow.h
@@ -282,6 +282,20 @@ enum rte_flow_item_type {
 	 * See struct rte_flow_item_nvgre.
 	 */
 	RTE_FLOW_ITEM_TYPE_NVGRE,
+
+	/**
+	 * Matches a MPLS header.
+	 *
+	 * See struct rte_flow_item_mpls.
+	 */
+	RTE_FLOW_ITEM_TYPE_MPLS,
+
+	/**
+	 * Matches a GRE header.
+	 *
+	 * See struct rte_flow_item_gre.
+	 */
+	RTE_FLOW_ITEM_TYPE_GRE,
 };
 
 /**
@@ -599,6 +613,32 @@ struct rte_flow_item_nvgre {
 };
 
 /**
+ * RTE_FLOW_ITEM_TYPE_MPLS.
+ *
+ * Matches a MPLS header.
+ */
+	struct rte_flow_item_mpls {
+		/**
+		 * Lable (20b), TC (3b), Bottom of Stack (1b), TTL (8b).
+		 */
+		uint32_t label_tc_s_ttl;
+	};
+
+/**
+ * RTE_FLOW_ITEM_TYPE_GRE.
+ *
+ * Matches a GRE header.
+ */
+struct rte_flow_item_gre {
+	/**
+	 * Checksum (1b), reserved 0 (12b), version (3b).
+	 * Refer to RFC 2784.
+	 */
+	uint16_t c_rsvd0_ver;
+	uint16_t protocol; /**< Protocol type. */
+};
+
+/**
  * Matching pattern item definition.
  *
  * A pattern is formed by stacking items starting from the lowest protocol
-- 
2.5.5