diff options
Diffstat (limited to 'drivers/net/dpaa2/mc/dpkg.c')
| -rw-r--r-- | drivers/net/dpaa2/mc/dpkg.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/drivers/net/dpaa2/mc/dpkg.c b/drivers/net/dpaa2/mc/dpkg.c new file mode 100644 index 00000000..3f98907f --- /dev/null +++ b/drivers/net/dpaa2/mc/dpkg.c @@ -0,0 +1,107 @@ +/*- + * 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; +} |