[PATCH] ethdev: add support for flow action pop E-tag

[kirankumark]

From: Kiran Kumar K <kirankum...@marvell.com>

Add support for the following OpenFlow-defined action.

RTE_FLOW_ACTION_TYPE_OF_POP_ETAG: Pop E-tag from the packet.

Signed-off-by: Kiran Kumar K <kirankum...@marvell.com>
---
 app/test-pmd/cmdline_flow.c |  9 +++++++++
 lib/ethdev/rte_flow.c       |  1 +
 lib/ethdev/rte_flow.h       | 10 +++++++++-
 3 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c
index 998527590f..c4359e965d 100644
--- a/app/test-pmd/cmdline_flow.c
+++ b/app/test-pmd/cmdline_flow.c
@@ -652,6 +652,7 @@ enum index {
        ACTION_METER_STATE,
        ACTION_OF_DEC_NW_TTL,
        ACTION_OF_POP_VLAN,
+       ACTION_OF_POP_ETAG,
        ACTION_OF_PUSH_VLAN,
        ACTION_OF_PUSH_VLAN_ETHERTYPE,
        ACTION_OF_SET_VLAN_VID,
@@ -2275,6 +2276,7 @@ static const enum index next_action[] = {
        ACTION_METER_MARK_CONF,
        ACTION_OF_DEC_NW_TTL,
        ACTION_OF_POP_VLAN,
+       ACTION_OF_POP_ETAG,
        ACTION_OF_PUSH_VLAN,
        ACTION_OF_SET_VLAN_VID,
        ACTION_OF_SET_VLAN_PCP,
@@ -6932,6 +6934,13 @@ static const struct token token_list[] = {
                .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
                .call = parse_vc,
        },
+       [ACTION_OF_POP_ETAG] = {
+               .name = "of_pop_etag",
+               .help = "OpenFlow's OFPAT_POP_ETAG",
+               .priv = PRIV_ACTION(OF_POP_ETAG, 0),
+               .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
+               .call = parse_vc,
+       },
        [ACTION_OF_PUSH_VLAN] = {
                .name = "of_push_vlan",
                .help = "OpenFlow's OFPAT_PUSH_VLAN",
diff --git a/lib/ethdev/rte_flow.c b/lib/ethdev/rte_flow.c
index 9f8d8f3dc2..765a8b3dbb 100644
--- a/lib/ethdev/rte_flow.c
+++ b/lib/ethdev/rte_flow.c
@@ -213,6 +213,7 @@ static const struct rte_flow_desc_data 
rte_flow_desc_action[] = {
        MK_FLOW_ACTION(SECURITY, sizeof(struct rte_flow_action_security)),
        MK_FLOW_ACTION(OF_DEC_NW_TTL, 0),
        MK_FLOW_ACTION(OF_POP_VLAN, 0),
+       MK_FLOW_ACTION(OF_POP_ETAG, 0),
        MK_FLOW_ACTION(OF_PUSH_VLAN,
                       sizeof(struct rte_flow_action_of_push_vlan)),
        MK_FLOW_ACTION(OF_SET_VLAN_VID,
diff --git a/lib/ethdev/rte_flow.h b/lib/ethdev/rte_flow.h
index 3d2ccdeb92..fb4f4bf9b7 100644
--- a/lib/ethdev/rte_flow.h
+++ b/lib/ethdev/rte_flow.h
@@ -3201,7 +3201,7 @@ enum rte_flow_action_type {
         * @see struct rte_flow_query_quota
         * @see struct rte_flow_update_quota
         */
-        RTE_FLOW_ACTION_TYPE_QUOTA,
+       RTE_FLOW_ACTION_TYPE_QUOTA,
 
        /**
         * Skip congestion management configuration.
@@ -3263,6 +3263,14 @@ enum rte_flow_action_type {
         * @see struct rte_flow_action_jump_to_table_index.
         */
        RTE_FLOW_ACTION_TYPE_JUMP_TO_TABLE_INDEX,
+
+       /**
+        * Implements POP_ETAG ("pop the outer 802.1BR Etag") as defined
+        * by the OpenFlow Switch Specification.
+        *
+        * No associated configuration structure.
+        */
+       RTE_FLOW_ACTION_TYPE_OF_POP_ETAG,
 };
 
 /**
-- 
2.48.1