hsrPrp_red_prp.h

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#ifndef RED_PRP_H_
#define RED_PRP_H_
 
/* ========================================================================== */
/*                             Include Files                                  */
/* ========================================================================== */
 
#include "hsrPrp_red_common.h"
 
/* ========================================================================== */
/*                           Macros & Typedefs                                */
/* ========================================================================== */
 
#define ETHER_TYPE_PRP_SUP    ( ETHER_TYPE_RED_SUP )
 
#define PRP_RCT_SIZE                           ( 6 )  
#define PRP_TRAILER_MAGIC                 ( 0x88FB )  
#define PRP_TRAILER_MAGIC_BIG_ENDIAN      ( 0xFB88 )  
#define PRP_LAN_A_MAGIC                      ( 0xA )  
#define PRP_LAN_B_MAGIC                      ( 0xB )  
#define PRP_RCT_SEQNO_OFFSET                   ( 0 )  
#define PRP_RCT_LANID_LSDU_OFFSET              ( 2 )  
#define PRP_RCT_ETHTYPE_OFFSET                 ( 4 )  
#define PRP_TLV1_TYPE_DUP_DISCARD             ( 20 )  
#define PRP_TLV1_TYPE_DUP_ACCEPT              ( 21 )  
#define PRP_SUP_SIZE                ( RED_SUP_SIZE )
#define PRP_SUP_PATH                ( RED_SUP_PATH )
#define PRP_SUP_VER                  ( RED_SUP_VER )
#define PRP_SUP_PAD                  ( RED_SUP_PAD )
 
/*
PRP : Bit 0 in TX buffer descriptor is used for PRP vs EMAC mode
        0 : PRP mode  => Mask : 0x0
        1 : EMAC mode => Mask : 0x1
*/
#define PRP_MODE_MASK                        ( 0x0 )
#define EMAC_MODE_MASK                       ( 0x1 )
#define PRP_VS_EMAC_MODE_MASK      ( PRP_MODE_MASK )
 
typedef struct _PRP_RCT
{
 
    uint16_t seq_nr;                    
    uint16_t lan_and_size;              
    uint16_t prp_suffix;                
} PRP_RCT;
 
typedef struct _PRP_SUP_FRAME
{
 
    uint8_t    dst[ETHER_ADDR_LEN];     
    uint8_t    src[ETHER_ADDR_LEN];     
    SUP_TAG  sup_tag;                 
    TLV1_TAG tlv1_tag;                
    TLV2_TAG tlv2_tag;                
    TLV0_TAG tlv0_tag;                
    uint8_t    padding[PRP_SUP_PAD];    
    PRP_RCT  prp_rct;                 
} PRP_SUP_FRAME;
 
/* ========================================================================== */
/*                          Function Declarations                             */
/* ========================================================================== */
void       PrpFrameFill(hsrPrpHandle *hsrPrphandle, RED_FRAME *pRedFrame,
                        const uint8_t *pFrame,
                        int32_t frameSize);
void       PrpFrameUpdateLanId(RED_FRAME *pPrpFrame, uint16_t pathId);
RED_FRAME *PrpSupFrameAllocate(hsrPrpHandle *hsrPrphandle);
void       PrpSupFrameUpdateSrcAdd(RED_FRAME *pRedFrame, uint8_t *srcAdd);
void       PrpSupFrameUpdateLanId(RED_FRAME *pRedFrame, uint16_t lanId);
void       PrpSupFrameUpdateSeqNr(hsrPrpHandle *hsrPrphandle,
                                  RED_FRAME *pRedFrame);
void       PrpSupFrameUpdateTlv(RED_FRAME *pRedFrame, uint8_t type);
void       PrpSupFrameIncrementSeqNr(hsrPrpHandle *hsrPrphandle);
 
#endif /* RED_PRP_H_ */