From d490f1ff419f68e24c29875270d07eba06dcaf41 Mon Sep 17 00:00:00 2001 From: Qi Zhang Date: Fri, 17 Sep 2021 22:43:15 +0800 Subject: [PATCH] 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 Acked-by: Junfeng Guo --- drivers/net/ice/base/ice_pg_cam.c | 76 +++++++++++++++++++++++++++++++ drivers/net/ice/base/ice_pg_cam.h | 6 +++ 2 files changed, 82 insertions(+) diff --git a/drivers/net/ice/base/ice_pg_cam.c b/drivers/net/ice/base/ice_pg_cam.c index 03484d6a91..fe461ad849 100644 --- 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 fcb2e11e54..aeadc20a77 100644 --- 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_ */ -- 2.20.1