61da836257
Updated copyright to 2022 and update base code version. Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com> Signed-off-by: Qi Zhang <qi.z.zhang@intel.com> Acked-by: Qiming Yang <qiming.yang@intel.com>
77 lines
1.8 KiB
C
77 lines
1.8 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2001-2022 Intel Corporation
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*/
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#include "ice_common.h"
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#include "ice_parser_util.h"
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#define ICE_FLG_RD_TABLE_SIZE 64
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/**
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* ice_flg_rd_dump - dump a flag redirect item info
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* @hw: pointer to the hardware structure
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* @item: flag redirect item to dump
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*/
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void ice_flg_rd_dump(struct ice_hw *hw, struct ice_flg_rd_item *item)
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{
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ice_info(hw, "index = %d\n", item->idx);
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ice_info(hw, "expose = %d\n", item->expose);
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ice_info(hw, "intr_flg_id = %d\n", item->intr_flg_id);
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}
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/** The function parses a 8 bits Flag Redirect Table entry with below format:
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* BIT 0: Expose (rdi->expose)
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* BIT 1-6: Internal Flag ID (rdi->intr_flg_id)
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* BIT 7: reserved
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*/
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static void _flg_rd_parse_item(struct ice_hw *hw, u16 idx, void *item,
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void *data, int size)
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{
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struct ice_flg_rd_item *rdi = (struct ice_flg_rd_item *)item;
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u8 d8 = *(u8 *)data;
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rdi->idx = idx;
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rdi->expose = (d8 & 0x1) != 0;
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rdi->intr_flg_id = (u8)((d8 >> 1) & 0x3f);
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if (hw->debug_mask & ICE_DBG_PARSER)
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ice_flg_rd_dump(hw, rdi);
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}
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/**
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* ice_flg_rd_table_get - create a flag redirect table
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* @hw: pointer to the hardware structure
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*/
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struct ice_flg_rd_item *ice_flg_rd_table_get(struct ice_hw *hw)
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{
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return (struct ice_flg_rd_item *)
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ice_parser_create_table(hw, ICE_SID_RXPARSER_FLAG_REDIR,
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sizeof(struct ice_flg_rd_item),
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ICE_FLG_RD_TABLE_SIZE,
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ice_parser_sect_item_get,
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_flg_rd_parse_item, false);
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}
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/**
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* ice_flg_redirect - redirect a parser flag to packet flag
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* @table: flag redirect table
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* @psr_flg: parser flag to redirect
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*/
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u64 ice_flg_redirect(struct ice_flg_rd_item *table, u64 psr_flg)
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{
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u64 flg = 0;
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int i;
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for (i = 0; i < 64; i++) {
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struct ice_flg_rd_item *item = &table[i];
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if (!item->expose)
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continue;
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if (psr_flg & (1ul << item->intr_flg_id))
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flg |= (1ul << i);
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}
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return flg;
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}
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