This patch adds MPLS support for generic filter
API.

Signed-off-by: Beilei Xing <beilei.x...@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

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