/*
  <:copyright-BRCM:2016:DUAL/GPL:standard

  Broadcom Proprietary and Confidential.(c) 2016 Broadcom
  All Rights Reserved

  Unless you and Broadcom execute a separate written software license
  agreement governing use of this software, this software is licensed
  to you under the terms of the GNU General Public License version 2
  (the "GPL"), available at http://www.broadcom.com/licenses/GPLv2.php,
  with the following added to such license:

  As a special exception, the copyright holders of this software give
  you permission to link this software with independent modules, and
  to copy and distribute the resulting executable under terms of your
  choice, provided that you also meet, for each linked independent
  module, the terms and conditions of the license of that module.
  An independent module is a module which is not derived from this
  software.  The special exception does not apply to any modifications
  of the software.

  Not withstanding the above, under no circumstances may you combine
  this software in any way with any other Broadcom software provided
  under a license other than the GPL, without Broadcom's express prior
  written consent.

  :>
*/

#include "dpoe_sec_util.h"
#include "bcmolt_api.h"

dev_log_id dpoe_sec_log_id[BCMTR_MAX_OLTS];

bcmos_bool dpoe_sec_eapol_unpack(bcmolt_buf *buf, eapol_msg_hdr *eapol)
{
    return
        bcmolt_buf_read_mac_address(buf, &eapol->da) &&
        bcmolt_buf_read_mac_address(buf, &eapol->sa) &&
        bcmolt_buf_read_u16_be(buf, &eapol->ether_type) &&
        bcmolt_buf_read_u8(buf, &eapol->eapol_version) &&
        bcmolt_buf_read_u8(buf, &eapol->eapol_packet_type) &&
        bcmolt_buf_read_u16_be(buf, &eapol->eapol_length);
}

bcmos_errno bcmolt_epon_link_encryption_key_set(
    bcmolt_devid device,
    bcmolt_epon_link_key *link_key,
    bcmos_bool up, /* TODO: create explicit up/down type for clarity */
    bcmolt_epon_encryption_mode mode,
    bcmolt_epon_key_choice key_choice,
    bcmolt_encryption_information_container *key_info)
{
    bcmos_errno rc;
    bcmolt_epon_link_cfg cfg;

    BCMOLT_CFG_INIT(&cfg, epon_link, *link_key);
    BCMOLT_CFG_PROP_GET(&cfg, epon_link, epon_encryption);
    rc = bcmolt_cfg_get(device, &cfg.hdr);
    BCMOS_CHECK_RETURN_ERROR(BCM_ERR_OK != rc, rc);

    if (up)
    {
        cfg.data.epon_encryption.upstream_mode = mode;
        cfg.data.epon_encryption.upstream_key_choice = key_choice;
        cfg.data.epon_encryption.upstream_encryption_information = *key_info;
    }
    else
    {
        cfg.data.epon_encryption.downstream_mode = mode;
        cfg.data.epon_encryption.downstream_key_choice = key_choice;
        cfg.data.epon_encryption.downstream_encryption_information = *key_info;
    }

    return bcmolt_cfg_set(device, &cfg.hdr);
}