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/*====================================================================*
 *
 *   Copyright (c) 2013 Qualcomm Atheros, Inc.
 *
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or 
 *   without modification, are permitted (subject to the limitations 
 *   in the disclaimer below) 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 Qualcomm Atheros nor the names of 
 *     its contributors may be used to endorse or promote products 
 *     derived from this software without specific prior written 
 *     permission.
 *
 *   NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE 
 *   GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE 
 *   COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS IS&quot; 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 OWNER 
 *   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.  
 *
 *--------------------------------------------------------------------*/

/*====================================================================*
 *
 *   slac.h - 
 *
 *   this file contains defintions for the HomePlug Green PHY SLAC
 *   protocol;
 *
 *--------------------------------------------------------------------*/

#ifndef SLAC_HEADER
#define SLAC_HEADER

/*====================================================================*
 *   system header files;
 *--------------------------------------------------------------------*/

#include &lt;stdint.h&gt;

/*====================================================================*
 *   custom header files;
 *--------------------------------------------------------------------*/

#include &quot;../tools/types.h&quot;
#include &quot;../tools/endian.h&quot;
#include &quot;../ether/ether.h&quot;
#include &quot;../mme/mme.h&quot;

/*====================================================================*
 *   constants;
 *--------------------------------------------------------------------*/

#define SLAC_DEBUG 1

/*
 * The following two constants control whether or not the PEV or EVSE
 * change AVLN on SLAC protocol cycle; The recommended setting is PEV
 * changes with each pass and the EVSE does not;
 */

#define SLAC_AVLN_PEV 1
#define SLAC_AVLN_EVSE 0

#define SLAC_APPLICATION_PEV_EVSE 0x00

#define SLAC_SECURITY_NONE 0x00
#define SLAC_SECURITY_PUBLIC_KEY 0x01

#define SLAC_RUNID_LEN 8
#define SLAC_UNIQUE_ID_LEN 17
#define SLAC_RND_LEN 16
#define SLAC_NID_LEN 7
#define SLAC_NMK_LEN 16

#define SLAC_MSOUNDS 8
#define SLAC_TIMETOSOUND 8 
#define SLAC_TIMEOUT 1000
#define SLAC_APPLICATION_TYPE 0
#define SLAC_SECURITY_TYPE 0
#define SLAC_RESPONSE_TYPE 0
#define SLAC_MSOUND_TARGET &quot;FF:FF:FF:FF:FF:FF&quot;
#define SLAC_FORWARD_STATION &quot;00:00:00:00:00:00&quot;
#define SLAC_GROUPS 58

#define SLAC_LIMIT 40 
#define SLAC_PAUSE 20 
#define SLAC_SETTLETIME 10
#define SLAC_CHARGETIME 2
#define SLAC_FLAGS 0 

#define SLAC_SILENCE (1 &lt;&lt; 0)
#define SLAC_VERBOSE (1 &lt;&lt; 1)
#define SLAC_SESSION (1 &lt;&lt; 2)
#define SLAC_COMPARE (1 &lt;&lt; 3)

#define SLAC_CM_SETKEY_KEYTYPE 0x01
#define SLAC_CM_SETKEY_PID 0x02
#define SLAC_CM_SETKEY_PRN 0x00
#define SLAC_CM_SETKEY_PMN 0x00
#define SLAC_CM_SETKEY_CCO 0x00
#define SLAC_CM_SETKEY_EKS 0x01

/*====================================================================*
 *   messages;
 *--------------------------------------------------------------------*/

#ifndef __GNUC__
#pragma pack (push,1)
#endif

typedef struct __packed session 

{ 
	struct session * next; 
	struct session * prev; 
	byte RunID [SLAC_RUNID_LEN]; 
	byte APPLICATION_TYPE; 
	byte SECURITY_TYPE; 
	byte RESP_TYPE; 
	byte NUM_SOUNDS; 
	byte TIME_OUT; 
	byte AAG [SLAC_GROUPS]; 
	byte NumGroups; 
	byte MSOUND_TARGET [ETHER_ADDR_LEN]; 
	byte FORWARDING_STA [ETHER_ADDR_LEN]; 
	byte PEV_ID [SLAC_UNIQUE_ID_LEN]; 
	byte PEV_MAC [ETHER_ADDR_LEN]; 
	byte EVSE_ID [SLAC_UNIQUE_ID_LEN]; 
	byte EVSE_MAC [ETHER_ADDR_LEN]; 
	byte RND [SLAC_UNIQUE_ID_LEN]; 
	byte NMK [SLAC_NMK_LEN]; 
	byte NID [SLAC_NID_LEN]; 
	byte original_nmk [SLAC_NMK_LEN]; 
	byte original_nid [SLAC_NID_LEN]; 
	unsigned state; 
	unsigned sounds; 
	unsigned limit; 
	unsigned pause; 
	unsigned chargetime; 
	unsigned settletime; 
	unsigned counter; 
	unsigned flags; 
	signed exit; 
} 

session; 
typedef struct __packed cm_sta_identity_request 

{ 
	struct ethernet_hdr ethernet; 
	struct homeplug_fmi homeplug; 
} 

cm_sta_identity_request; 
typedef struct __packed cm_sta_identity_confirm 

{ 
	struct ethernet_hdr ethernet; 
	struct homeplug_fmi homeplug; 
	uint8_t GREEN_PHY_CAPABILITY; 
	uint8_t POWER_SAVE_CAPABILITY; 
	uint8_t GREEN_PHY_PREFERRED_ALLOCATION_CAPABILITY; 
	uint8_t REPEATING_AND_ROUTING_CAPABILITY; 
	uint8_t HOMEPLUG_AV_VERSION; 
	uint8_t EFL; 
	uint8_t EF [1]; 
} 

cm_sta_identity_confirm; 
typedef struct __packed cm_slac_param_request 

{ 
	struct ethernet_hdr ethernet; 
	struct homeplug_fmi homeplug; 
	uint8_t APPLICATION_TYPE; 
	uint8_t SECURITY_TYPE; 
	uint8_t RunID [SLAC_RUNID_LEN]; 
	uint8_t CipherSuiteSetSize; 
	uint16_t CipherSuite [1]; 
} 

cm_slac_param_request; 
typedef struct __packed cm_slac_param_confirm 

{ 
	struct ethernet_hdr ethernet; 
	struct homeplug_fmi homeplug; 
	uint8_t MSOUND_TARGET [ETHER_ADDR_LEN]; 
	uint8_t NUM_SOUNDS; 
	uint8_t TIME_OUT; 
	uint8_t RESP_TYPE; 
	uint8_t FORWARDING_STA [ETHER_ADDR_LEN]; 
	uint8_t APPLICATION_TYPE; 
	uint8_t SECURITY_TYPE; 
	uint8_t RunID [SLAC_RUNID_LEN]; 
	uint16_t CipherSuite; 
} 

cm_slac_param_confirm; 
typedef struct __packed cm_start_atten_char_indicate 

{ 
	struct ethernet_hdr ethernet; 
	struct homeplug_fmi homeplug; 
	uint8_t APPLICATION_TYPE; 
	uint8_t SECURITY_TYPE; 
	struct __packed 
	{ 
		uint8_t NUM_SOUNDS; 
		uint8_t TIME_OUT; 
		uint8_t RESP_TYPE; 
		uint8_t FORWARDING_STA [ETHER_ADDR_LEN]; 
		uint8_t RunID [SLAC_RUNID_LEN]; 
	} 
	ACVarField; 
} 

cm_start_atten_char_indicate; 
typedef struct __packed cm_start_atten_char_response 

{ 
	struct ethernet_hdr ethernet; 
	struct homeplug_fmi homeplug; 
} 

cm_start_atten_char_response; 
typedef struct __packed cm_atten_char_indicate 

{ 
	struct ethernet_hdr ethernet; 
	struct homeplug_fmi homeplug; 
	uint8_t APPLICATION_TYPE; 
	uint8_t SECURITY_TYPE; 
	struct __packed 
	{ 
		uint8_t SOURCE_ADDRESS [ETHER_ADDR_LEN]; 
		uint8_t RunID [SLAC_RUNID_LEN]; 
		uint8_t SOURCE_ID [SLAC_UNIQUE_ID_LEN]; 
		uint8_t RESP_ID [SLAC_UNIQUE_ID_LEN]; 
		uint8_t NUM_SOUNDS; 
		struct __packed 
		{ 
			uint8_t NumGroups; 
			uint8_t AAG [255]; 
		} 
		ATTEN_PROFILE; 
	} 
	ACVarField; 
} 

cm_atten_char_indicate; 
typedef struct __packed cm_atten_char_response 

{ 
	struct ethernet_hdr ethernet; 
	struct homeplug_fmi homeplug; 
	uint8_t APPLICATION_TYPE; 
	uint8_t SECURITY_TYPE; 
	struct __packed 
	{ 
		uint8_t SOURCE_ADDRESS [ETHER_ADDR_LEN]; 
		uint8_t RunID [SLAC_RUNID_LEN]; 
		uint8_t SOURCE_ID [SLAC_UNIQUE_ID_LEN]; 
		uint8_t RESP_ID [SLAC_UNIQUE_ID_LEN]; 
		uint8_t Result; 
	} 
	ACVarField; 
} 

cm_atten_char_response; 
typedef struct __packed cm_mnbc_sound_indicate 

{ 
	struct ethernet_hdr ethernet; 
	struct homeplug_fmi homeplug; 
	uint8_t APPLICATION_TYPE; 
	uint8_t SECURITY_TYPE; 
	struct __packed 
	{ 
		uint8_t SenderID [SLAC_UNIQUE_ID_LEN]; 
		uint8_t CNT; 
		uint8_t RunID [SLAC_RUNID_LEN]; 
		uint8_t RND [SLAC_UNIQUE_ID_LEN]; 
	} 
	MSVarField; 
} 

cm_mnbc_sound_indcate; 
typedef struct __packed cm_validate_request 

{ 
	struct ethernet_hdr ethernet; 
	struct homeplug_fmi homeplug; 
	uint8_t SignalType; 
	struct __packed 
	{ 
		uint8_t Timer; 
		uint8_t Result; 
	} 
	VRVarField; 
} 

cm_validate_request; 
typedef struct __packed cm_validate_confirm 

{ 
	struct ethernet_hdr ethernet; 
	struct homeplug_fmi homeplug; 
	uint8_t SignalType; 
	struct __packed 
	{ 
		uint8_t ToggleNum; 
		uint8_t Result; 
	} 
	VCVarField; 
} 

cm_validate_confirm; 
typedef struct __packed cm_slac_match_request 

{ 
	struct ethernet_hdr ethernet; 
	struct homeplug_fmi homeplug; 
	uint8_t APPLICATION_TYPE; 
	uint8_t SECURITY_TYPE; 
	uint16_t MVFLength; 
	struct __packed 
	{ 
		uint8_t PEV_ID [SLAC_UNIQUE_ID_LEN]; 
		uint8_t PEV_MAC [ETHER_ADDR_LEN]; 
		uint8_t EVSE_ID [SLAC_UNIQUE_ID_LEN]; 
		uint8_t EVSE_MAC [ETHER_ADDR_LEN]; 
		uint8_t RunID [SLAC_RUNID_LEN]; 
		uint8_t RSVD [8]; 
	} 
	MatchVarField; 
} 

cm_slac_match_request; 
typedef struct __packed cm_slac_match_confirm 

{ 
	struct ethernet_hdr ethernet; 
	struct homeplug_fmi homeplug; 
	uint8_t APPLICATION_TYPE; 
	uint8_t SECURITY_TYPE; 
	uint16_t MVFLength; 
	struct __packed 
	{ 
		uint8_t PEV_ID [SLAC_UNIQUE_ID_LEN]; 
		uint8_t PEV_MAC [ETHER_ADDR_LEN]; 
		uint8_t EVSE_ID [SLAC_UNIQUE_ID_LEN]; 
		uint8_t EVSE_MAC [ETHER_ADDR_LEN]; 
		uint8_t RunID [SLAC_RUNID_LEN]; 
		uint8_t RSVD1 [8]; 
		uint8_t NID [SLAC_NID_LEN]; 
		uint8_t RSVD2; 
		uint8_t NMK [SLAC_NMK_LEN]; 
	} 
	MatchVarField; 
} 

cm_slac_match_confirm; 
typedef struct __packed cm_atten_profile_indicate 

{ 
	struct ethernet_hdr ethernet; 
	struct homeplug_fmi homeplug; 
	uint8_t PEV_MAC [ETHER_ADDR_LEN]; 
	uint8_t NumGroups; 
	uint8_t RSVD; 
	uint8_t AAG [255]; 
} 

cm_atten_profile_indicate; 

#ifndef __GNUC__
#pragma pack (pop)
#endif

/*====================================================================*
 *   functions;
 *--------------------------------------------------------------------*/

signed pev_cm_slac_param (struct session *, struct channel *, struct message *); 
signed pev_cm_start_atten_char (struct session *, struct channel *, struct message *); 
signed pev_cm_atten_char (struct session *, struct channel *, struct message *); 
signed pev_cm_mnbc_sound (struct session *, struct channel *, struct message *); 
signed pev_cm_slac_match (struct session *, struct channel *, struct message *); 
signed pev_cm_set_key (struct session *, struct channel *, struct message *); 
signed evse_cm_slac_param (struct session *, struct channel *, struct message *); 
signed evse_cm_start_atten_char (struct session *, struct channel *, struct message *); 
signed evse_cm_atten_char (struct session *, struct channel *, struct message *); 
signed evse_cm_mnbc_sound (struct session *, struct channel *, struct message *); 
signed evse_cm_slac_match (struct session *, struct channel *, struct message *); 
signed evse_cm_set_key (struct session *, struct channel *, struct message *); 
signed slac_connect (struct session *); 
void slac_session (struct session *); 
void slac_structs ();
signed slac_debug (struct session * session, signed status, char const * string, char const * format, ...);

/*====================================================================*
 *
 *--------------------------------------------------------------------*/

#endif


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