From 1c9e61b3a45321b3cae742e8769b10c06c0324f0 Mon Sep 17 00:00:00 2001 From: Qi Zhang Date: Fri, 17 Sep 2021 22:43:17 +0800 Subject: [PATCH] net/ice/base: add helper function to redirect flags Add internal helper function ice_flg_redirect to redirect parser flags to packet flags. Signed-off-by: Qi Zhang Acked-by: Junfeng Guo --- 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_ */ -- 2.20.1