[dpdk-dev] [PATCH v3 14/20] net/ice/base: add helper function for ptype markers match

[Qi Zhang <qi.z.zhang@intel.com>]

Add internal helper function ice_ptype_mk_tcam_match for ptype markers
matching in tcam table.

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Acked-by: Junfeng Guo <junfeng.guo@intel.com>
---
 drivers/net/ice/base/ice_ptype_mk.c | 22 ++++++++++++++++++++++
 drivers/net/ice/base/ice_ptype_mk.h |  3 +++
 2 files changed, 25 insertions(+)

diff --git a/drivers/net/ice/base/ice_ptype_mk.c b/drivers/net/ice/base/ice_ptype_mk.c
index 33623dcfbc..97c41cb586 100644
--- a/drivers/net/ice/base/ice_ptype_mk.c
+++ b/drivers/net/ice/base/ice_ptype_mk.c
@@ -52,3 +52,25 @@ struct ice_ptype_mk_tcam_item *ice_ptype_mk_tcam_table_get(struct ice_hw *hw)
 					ice_parser_sect_item_get,
 					_parse_ptype_mk_tcam_item, true);
 }
+
+/**
+ * ice_ptype_mk_tcam_match - match a pattern on a ptype marker tcam table
+ * @table: ptype marker tcam table to search
+ * @pat: pattern to match
+ * @len: length of the pattern
+ */
+struct ice_ptype_mk_tcam_item *
+ice_ptype_mk_tcam_match(struct ice_ptype_mk_tcam_item *table,
+			u8 *pat, int len)
+{
+	int i;
+
+	for (i = 0; i < ICE_PTYPE_MK_TCAM_TABLE_SIZE; i++) {
+		struct ice_ptype_mk_tcam_item *item = &table[i];
+
+		if (ice_ternary_match(item->key, item->key_inv, pat, len))
+			return item;
+	}
+
+	return NULL;
+}
diff --git a/drivers/net/ice/base/ice_ptype_mk.h b/drivers/net/ice/base/ice_ptype_mk.h
index c93cd8f0ad..2cd49b1b63 100644
--- a/drivers/net/ice/base/ice_ptype_mk.h
+++ b/drivers/net/ice/base/ice_ptype_mk.h
@@ -15,4 +15,7 @@ struct ice_ptype_mk_tcam_item {
 void ice_ptype_mk_tcam_dump(struct ice_hw *hw,
 			    struct ice_ptype_mk_tcam_item *item);
 struct ice_ptype_mk_tcam_item *ice_ptype_mk_tcam_table_get(struct ice_hw *hw);
+struct ice_ptype_mk_tcam_item *
+ice_ptype_mk_tcam_match(struct ice_ptype_mk_tcam_item *table,
+			u8 *pat, int len);
 #endif /* _ICE_PTYPE_MK_H_ */
-- 
2.26.2