From 510965b4dc64a91b839d07138f598f853e5a9aac Mon Sep 17 00:00:00 2001 From: Qi Zhang Date: Fri, 17 Sep 2021 22:43:16 +0800 Subject: [PATCH] net/ice/base: add helper for ptype markers match Add internal helper function ice_ptype_mk_tcam_match for ptype markers matching in tcam table. Signed-off-by: Qi Zhang Acked-by: Junfeng Guo --- 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_ */ -- 2.20.1