[dpdk-stable] [v2] app/testpmd: fix PPPOES flow API

[Xiao Zhang <xiao.zhang@intel.com>]

The command line to create RTE flow for specific proto_id of PPPOES can
not work.

It was:
testpmd> flow create 0 ingress pattern proto_id
 proto_id [TOKEN]: match PPPoE session protocol identifier
testpmd> flow create 0 ingress pattern proto_id proto_id
 proto_id [TOKEN]: match PPPoE session protocol identifier
testpmd> flow create 0 ingress pattern proto_id proto_id proto_id
 proto_id [TOKEN]: match PPPoE session protocol identifier

The proto_id can not be set with previous implementation.

This patch is to fix this issue, and change the command line to:
testpmd> flow create 0 pattern pppoe_proto_id is xxxx

Fixes: 226c6e60c35b ("ethdev: add PPPoE to flow API")
Cc: stable@dpdk.org

Signed-off-by: Xiao Zhang <xiao.zhang@intel.com>
---
v2 change the command line according to review comments.
---
 app/test-pmd/cmdline_flow.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c
index a78154502..7ac01562e 100644
--- a/app/test-pmd/cmdline_flow.c
+++ b/app/test-pmd/cmdline_flow.c
@@ -1035,7 +1035,6 @@ static const enum index item_pppoes[] = {
 };
 
 static const enum index item_pppoe_proto_id[] = {
-	ITEM_PPPOE_PROTO_ID,
 	ITEM_NEXT,
 	ZERO,
 };
@@ -2641,11 +2640,14 @@ static const struct token token_list[] = {
 					session_id)),
 	},
 	[ITEM_PPPOE_PROTO_ID] = {
-		.name = "proto_id",
+		.name = "pppoe_proto_id",
 		.help = "match PPPoE session protocol identifier",
 		.priv = PRIV_ITEM(PPPOE_PROTO_ID,
 				sizeof(struct rte_flow_item_pppoe_proto_id)),
-		.next = NEXT(item_pppoe_proto_id),
+		.next = NEXT(item_pppoe_proto_id, NEXT_ENTRY(UNSIGNED),
+			     item_param),
+		.args = ARGS(ARGS_ENTRY_HTON
+			     (struct rte_flow_item_pppoe_proto_id, proto_id)),
 		.call = parse_vc,
 	},
 	[ITEM_HIGIG2] = {
-- 
2.17.1