net/ice/base: add helper for parse graph key matching

Add below two internal helper functions for parse graph key matching
in cam table:

ice_pg_cam_match
ice_pg_nm_cam_match

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Acked-by: Junfeng Guo <junfeng.guo@intel.com>

diff --git a/drivers/net/ice/base/ice_pg_cam.c b/drivers/net/ice/base/ice_pg_cam.c
index 03484d6..fe461ad 100644 (file)
--- a/drivers/net/ice/base/ice_pg_cam.c
+++ b/drivers/net/ice/base/ice_pg_cam.c
@@ -296,3 +296,79 @@ struct ice_pg_nm_cam_item *ice_pg_nm_sp_cam_table_get(struct ice_hw *hw)
                                        ice_parser_sect_item_get,
                                        _pg_nm_sp_cam_parse_item, false);
 }
+
+static bool _pg_cam_match(struct ice_pg_cam_item *item,
+                         struct ice_pg_cam_key *key)
+{
+       if (!item->key.valid ||
+           item->key.node_id != key->node_id ||
+           item->key.flag0 != key->flag0 ||
+           item->key.flag1 != key->flag1 ||
+           item->key.flag2 != key->flag2 ||
+           item->key.flag3 != key->flag3 ||
+           item->key.boost_idx != key->boost_idx ||
+           item->key.alu_reg != key->alu_reg ||
+           item->key.next_proto != key->next_proto)
+               return false;
+
+       return true;
+}
+
+static bool _pg_nm_cam_match(struct ice_pg_nm_cam_item *item,
+                            struct ice_pg_cam_key *key)
+{
+       if (!item->key.valid ||
+           item->key.node_id != key->node_id ||
+           item->key.flag0 != key->flag0 ||
+           item->key.flag1 != key->flag1 ||
+           item->key.flag2 != key->flag2 ||
+           item->key.flag3 != key->flag3 ||
+           item->key.boost_idx != key->boost_idx ||
+           item->key.alu_reg != key->alu_reg)
+               return false;
+
+       return true;
+}
+
+/**
+ * ice_pg_cam_match - search parse graph cam table by key
+ * @table: parse graph cam table to search
+ * @size: cam table size
+ * @key: search key
+ */
+struct ice_pg_cam_item *ice_pg_cam_match(struct ice_pg_cam_item *table,
+                                        int size, struct ice_pg_cam_key *key)
+{
+       int i;
+
+       for (i = 0; i < size; i++) {
+               struct ice_pg_cam_item *item = &table[i];
+
+               if (_pg_cam_match(item, key))
+                       return item;
+       }
+
+       return NULL;
+}
+
+/**
+ * ice_pg_nm_cam_match - search parse graph no match cam table by key
+ * @table: parse graph no match cam table to search
+ * @size: cam table size
+ * @key: search key
+ */
+struct ice_pg_nm_cam_item *
+ice_pg_nm_cam_match(struct ice_pg_nm_cam_item *table, int size,
+                   struct ice_pg_cam_key *key)
+{
+       int i;
+
+       for (i = 0; i < size; i++) {
+               struct ice_pg_nm_cam_item *item = &table[i];
+
+               if (_pg_nm_cam_match(item, key))
+                       return item;
+       }
+
+       return NULL;
+}

diff --git a/drivers/net/ice/base/ice_pg_cam.h b/drivers/net/ice/base/ice_pg_cam.h
index fcb2e11..aeadc20 100644 (file)
--- a/drivers/net/ice/base/ice_pg_cam.h
+++ b/drivers/net/ice/base/ice_pg_cam.h
@@ -65,4 +65,10 @@ struct ice_pg_cam_item *ice_pg_sp_cam_table_get(struct ice_hw *hw);
 
 struct ice_pg_nm_cam_item *ice_pg_nm_cam_table_get(struct ice_hw *hw);
 struct ice_pg_nm_cam_item *ice_pg_nm_sp_cam_table_get(struct ice_hw *hw);
+
+struct ice_pg_cam_item *ice_pg_cam_match(struct ice_pg_cam_item *table,
+                                        int size, struct ice_pg_cam_key *key);
+struct ice_pg_nm_cam_item *
+ice_pg_nm_cam_match(struct ice_pg_nm_cam_item *table, int size,
+                   struct ice_pg_cam_key *key);
 #endif /* _ICE_PG_CAM_H_ */