[dpdk-dev] [PATCH v3 15/20] net/ice/base: add helper function to redirect flags

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

Add internal helper function ice_flg_redirect to redirect parser flags
to packet flags.

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Acked-by: Junfeng Guo <junfeng.guo@intel.com>
---
 drivers/net/ice/base/ice_flg_rd.c | 23 +++++++++++++++++++++++
 drivers/net/ice/base/ice_flg_rd.h |  1 +
 2 files changed, 24 insertions(+)

diff --git a/drivers/net/ice/base/ice_flg_rd.c b/drivers/net/ice/base/ice_flg_rd.c
index 292916d9a8..833986cac3 100644
--- a/drivers/net/ice/base/ice_flg_rd.c
+++ b/drivers/net/ice/base/ice_flg_rd.c
@@ -51,3 +51,26 @@ struct ice_flg_rd_item *ice_flg_rd_table_get(struct ice_hw *hw)
 					ice_parser_sect_item_get,
 					_flg_rd_parse_item, false);
 }
+
+/**
+ * ice_flg_redirect - redirect a parser flag to packet flag
+ * @table: flag redirect table
+ * @psr_flg: parser flag to redirect
+ */
+u64 ice_flg_redirect(struct ice_flg_rd_item *table, u64 psr_flg)
+{
+	u64 flg = 0;
+	int i;
+
+	for (i = 0; i < 64; i++) {
+		struct ice_flg_rd_item *item = &table[i];
+
+		if (!item->expose)
+			continue;
+
+		if (psr_flg & (1ul << item->intr_flg_id))
+			flg |= (1ul << i);
+	}
+
+	return flg;
+}
diff --git a/drivers/net/ice/base/ice_flg_rd.h b/drivers/net/ice/base/ice_flg_rd.h
index e65350f18c..6c3e01b0fa 100644
--- a/drivers/net/ice/base/ice_flg_rd.h
+++ b/drivers/net/ice/base/ice_flg_rd.h
@@ -13,4 +13,5 @@ struct ice_flg_rd_item {
 
 void ice_flg_rd_dump(struct ice_hw *hw, struct ice_flg_rd_item *item);
 struct ice_flg_rd_item *ice_flg_rd_table_get(struct ice_hw *hw);
+u64 ice_flg_redirect(struct ice_flg_rd_item *table, u64 psr_flg);
 #endif /* _ICE_FLG_RD_H_ */
-- 
2.26.2