/******************************************************************************

 @file  mac_high_level.h

 @brief Contains interfaces shared between high and low level MAC.

 Group: WCS, LPC
 Target Device: CC13xx

 ******************************************************************************
 
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 All rights reserved.

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 ******************************************************************************
 Release Name: simplelink_cc13x0_sdk_1_40_00_10"
 Release Date: 2017-06-27 19:05:53
 *****************************************************************************/

#ifndef MAC_HIGH_LEVEL_H
#define MAC_HIGH_LEVEL_H

/* ------------------------------------------------------------------------------------------------
 *                                          Includes
 * ------------------------------------------------------------------------------------------------
 */

#include "mac_api.h"
#include "mac_ie_parse.h"

/* ------------------------------------------------------------------------------------------------
 *                                           Macros
 * ------------------------------------------------------------------------------------------------
 */
#ifndef MAC_INTERNAL_API
#define MAC_INTERNAL_API
#endif

/* Call macPwrVote() only outside swi context */
#define MAC_PWR_VOTE_NO_SWI(x)        do { if (!bInSwi) macPwrVote(x, FALSE); } while (0);

/* ------------------------------------------------------------------------------------------------
 *                                           Constants
 * ------------------------------------------------------------------------------------------------
 */

/* RX flag masks */
#define MAC_RX_FLAG_VERSION           0x03    /* received frame's version */
#define MAC_RX_FLAG_ACK_PENDING       0x04    /* outgoing ACK has pending bit set */
#define MAC_RX_FLAG_SECURITY          0x08    /* received frame has security bit set */
#define MAC_RX_FLAG_PENDING           0x10    /* received frame has pending bit set */
#define MAC_RX_FLAG_ACK_REQUEST       0x20    /* received frame has ack request bit set */
#define MAC_RX_FLAG_INTRA_PAN         0x40    /* received frame has intra pan fcf bit set */
#define MAC_RX_FLAG_CRC_OK            0x80    /* received frame CRC OK bit */

/* Enhanced Beacon Request offsets for RX */
#define MAC_RX_EBR_EB_FILTER_IE_HEADER_LEN 0x02 /* received frame has 2 bytes
                                                 * for these - Type, ID and len
                                                 */

/* Enhanced Beacon Request payload bit position masks */
#define MAC_RX_EBR_PERMIT_JOINING_ON      0x01
#define MAC_RX_EBR_INCLUDE_LINK_QUALITY   0x02
#define MAC_RX_EBR_INCLUDE_PERCENT_FILTER 0x04

/* Enhanced Beacon Request End of IE List indication as per Table 4b of draft
 * for IEEE 802.15.4e
 *
 * Payload ID name space has terminator byte = 0x0F (ID) (bits 1,2,3,4)
 * Type of IE = 0x01
 */
#define MAC_RX_EBR_IE_PAYLOAD_LIST_TERMINATOR        0x1F
#define MAC_RX_EBR_IE_PAYLOAD_LIST_TERMINATOR_IE_LEN 0x03

/* FH Frame Types */
#define MAC_FH_FRAME_PAN_ADVERT         0x00    /* WiSUN PAN advertisement */
#define MAC_FH_FRAME_PAN_ADVERT_SOLICIT 0x01    /* WiSUN PAN advertisement solicit */
#define MAC_FH_FRAME_PAN_CONFIG         0x02    /* WiSUN PAN config */
#define MAC_FH_FRAME_PAN_CONFIG_SOLICIT 0x03    /* WiSUN PAN config solicit */
#define MAC_FH_FRAME_DATA               0x04    /* WiSUN Data frame */
#define MAC_FH_FRAME_ACK                0x05    /* WiSUN Ack frame */
#define MAC_FH_FRAME_EAPOL              0x06    /* WiSUN EAPOL frame */
#define MAC_FH_FRAME_INVALID            0xFF    /* Internal: WiSUN Invalid frame */

/* ------------------------------------------------------------------------------------------------
 *                                           Typedefs
 * ------------------------------------------------------------------------------------------------
 */

/* Structure for internal data tx */
typedef struct
{
  macEventHdr_t     hdr;
  sData_t           msdu;
  macTxIntData_t    internal;
  ApiMac_sec_t          sec;
} macTx_t;

struct _macHeaderIeInfo;
struct _macPayloadIeInfo;

/* Structure for internal data rx */
typedef struct _macRx
{
  macEventHdr_t       hdr;
  sData_t             msdu;
  macRxIntData_t      internal;
  ApiMac_sec_t            sec;
  macDataInd_t        mac;
  sData_t             mhr;
  uint8               payloadIePresent;
  uint8*              pHdrIes;
  uint16              headerIeLen;
  struct _macHeaderIeInfo*  pHeaderIes;
  struct _macPayloadIeInfo* pPayloadIes;
} macRx_t;

/* Function pointer for the 16 byte random seed callback */
typedef void (*macRNGFcn_t )(uint8* seed);

/* ------------------------------------------------------------------------------------------------
 *                                           Global Variables
 * ------------------------------------------------------------------------------------------------
 */

/* pointer to current tx frame */
extern macTx_t *pMacDataTx;

/* TRUE if operating as a PAN coordinator */
extern bool macPanCoordinator;

/* ------------------------------------------------------------------------------------------------
 *                                          Function Prototypes
 * ------------------------------------------------------------------------------------------------
 */

/* functions located in mac_data.c */
MAC_INTERNAL_API uint8 *macDataRxMemAlloc(uint16 len);
MAC_INTERNAL_API uint8 macDataRxMemFree(uint8 **pMsg);
MAC_INTERNAL_API uint16 macDataTxTimeAvailable(void);

/* functions located in mac_pwr.c */
MAC_INTERNAL_API void macPwrVote(bool pwrUp, bool bypassRAT);

/**************************************************************************************************
*/

#endif /* MAC_HIGH_LEVEL_H */
