[PATCH] app/testpmd: update raw flow to take hex input

[nipun.gupta@nxp.com]

From: Nipun Gupta <nipun.gupta@nxp.com>

This patch enables method to provide key and mask for raw rules
to be provided as hexadecimal values. There is new parameter
pattern_mask added to support this.

Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
---
 app/test-pmd/cmdline_flow.c                 | 15 +++++++++++++++
 doc/guides/testpmd_app_ug/testpmd_funcs.rst | 13 +++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c
index bbe3dc0115..cfa68abc40 100644
--- a/app/test-pmd/cmdline_flow.c
+++ b/app/test-pmd/cmdline_flow.c
@@ -166,6 +166,7 @@ enum index {
 	ITEM_RAW_OFFSET,
 	ITEM_RAW_LIMIT,
 	ITEM_RAW_PATTERN,
+	ITEM_RAW_PATTERN_HEX,
 	ITEM_ETH,
 	ITEM_ETH_DST,
 	ITEM_ETH_SRC,
@@ -1107,6 +1108,7 @@ static const enum index item_raw[] = {
 	ITEM_RAW_OFFSET,
 	ITEM_RAW_LIMIT,
 	ITEM_RAW_PATTERN,
+	ITEM_RAW_PATTERN_HEX,
 	ITEM_NEXT,
 	ZERO,
 };
@@ -2664,6 +2666,19 @@ static const struct token token_list[] = {
 			     ARGS_ENTRY_ARB(sizeof(struct rte_flow_item_raw),
 					    ITEM_RAW_PATTERN_SIZE)),
 	},
+	[ITEM_RAW_PATTERN_HEX] = {
+		.name = "pattern_hex",
+		.help = "hex string to look for",
+		.next = NEXT(item_raw,
+			     NEXT_ENTRY(COMMON_HEX),
+			     NEXT_ENTRY(ITEM_PARAM_IS,
+					ITEM_PARAM_SPEC,
+					ITEM_PARAM_MASK)),
+		.args = ARGS(ARGS_ENTRY(struct rte_flow_item_raw, pattern),
+			     ARGS_ENTRY(struct rte_flow_item_raw, length),
+			     ARGS_ENTRY_ARB(sizeof(struct rte_flow_item_raw),
+					    ITEM_RAW_PATTERN_SIZE)),
+	},
 	[ITEM_ETH] = {
 		.name = "eth",
 		.help = "match Ethernet header",
diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
index 44228cd7d2..68c216c805 100644
--- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
+++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
@@ -3634,6 +3634,7 @@ This section lists supported pattern items and their attributes, if any.
   - ``offset {integer}``: absolute or relative offset for pattern.
   - ``limit {unsigned}``: search area limit for start of pattern.
   - ``pattern {string}``: byte string to look for.
+  - ``pattern_hex {string}``: byte string (provided in hexadecimal) to look for.
 
 - ``eth``: match Ethernet header.
 
@@ -5080,6 +5081,18 @@ PPPoL2TPv2oUDP RSS rules can be created by the following commands::
  testpmd> flow create 0 ingress pattern eth / ipv6 / udp / l2tpv2 / ppp / ipv6
           / end actions rss types ipv6 end queues end / end
 
+Sample RAW rule
+~~~~~~~~~~~~~~~
+
+A RAW rule can be creted as following using ``pattern_hex`` key and mask.
+
+::
+
+    testpmd> flow create 0 group 0 priority 1 ingress pattern raw relative is 0 search is 0 offset
+             is 0 limit is 0 pattern_hex spec 00000000000000000000000000000000000000000000000000000a0a0a0a
+             pattern_hex mask 0000000000000000000000000000000000000000000000000000ffffffff / end actions
+             queue index 4 / end
+
 BPF Functions
 --------------
 
-- 
2.17.1