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/*-
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* BSD LICENSE
*
* Copyright 2017 NXP
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the above-listed copyright holders nor the
* names of any contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* GPL LICENSE SUMMARY
*
* ALTERNATIVELY, this software may be distributed under the terms of the
* GNU General Public License ("GPL") as published by the Free Software
* Foundation, either version 2 of that License or (at your option) any
* later version.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <fsl_mc_sys.h>
#include <fsl_mc_cmd.h>
#include <fsl_dpkg.h>
/**
* dpkg_prepare_key_cfg() - function prepare extract parameters
* @cfg: defining a full Key Generation profile (rule)
* @key_cfg_buf: Zeroed 256 bytes of memory before mapping it to DMA
*
* This function has to be called before the following functions:
* - dpni_set_rx_tc_dist()
* - dpni_set_qos_table()
* - dpkg_prepare_key_cfg()
*/
int
dpkg_prepare_key_cfg(const struct dpkg_profile_cfg *cfg, uint8_t *key_cfg_buf)
{
int i, j;
struct dpni_ext_set_rx_tc_dist *dpni_ext;
struct dpni_dist_extract *extr;
if (cfg->num_extracts > DPKG_MAX_NUM_OF_EXTRACTS)
return -EINVAL;
dpni_ext = (struct dpni_ext_set_rx_tc_dist *)key_cfg_buf;
dpni_ext->num_extracts = cfg->num_extracts;
for (i = 0; i < cfg->num_extracts; i++) {
extr = &dpni_ext->extracts[i];
switch (cfg->extracts[i].type) {
case DPKG_EXTRACT_FROM_HDR:
extr->prot = cfg->extracts[i].extract.from_hdr.prot;
dpkg_set_field(extr->efh_type, EFH_TYPE,
cfg->extracts[i].extract.from_hdr.type);
extr->size = cfg->extracts[i].extract.from_hdr.size;
extr->offset = cfg->extracts[i].extract.from_hdr.offset;
extr->field = cpu_to_le32(
cfg->extracts[i].extract.from_hdr.field);
extr->hdr_index =
cfg->extracts[i].extract.from_hdr.hdr_index;
break;
case DPKG_EXTRACT_FROM_DATA:
extr->size = cfg->extracts[i].extract.from_data.size;
extr->offset =
cfg->extracts[i].extract.from_data.offset;
break;
case DPKG_EXTRACT_FROM_PARSE:
extr->size = cfg->extracts[i].extract.from_parse.size;
extr->offset =
cfg->extracts[i].extract.from_parse.offset;
break;
default:
return -EINVAL;
}
extr->num_of_byte_masks = cfg->extracts[i].num_of_byte_masks;
dpkg_set_field(extr->extract_type, EXTRACT_TYPE,
cfg->extracts[i].type);
for (j = 0; j < DPKG_NUM_OF_MASKS; j++) {
extr->masks[j].mask = cfg->extracts[i].masks[j].mask;
extr->masks[j].offset =
cfg->extracts[i].masks[j].offset;
}
}
return 0;
}
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