//*---------------------------------------------------------------------------- //* ATMEL Microcontroller Software Support - ROUSSET - //*---------------------------------------------------------------------------- //* The software is delivered "AS IS" without warranty or condition of any //* kind, either express, implied or statutory. This includes without //* limitation any warranty or condition with respect to merchantability or //* fitness for any particular purpose, or against the infringements of //* intellectual property rights of others. //*---------------------------------------------------------------------------- //* File Name : Emac.h //* Object : Emac header file //* Creation : Hi 11/18/2002 //* //*---------------------------------------------------------------------------- #ifndef AT91C_EMAC_H #define AT91C_EMAC_H //* Allows to display all IP header in the main.c //* If not defined, only ICMP packets are displayed #define AT91C_DISPLAY_ALL_IPHEADER 0 #define NB_RX_BUFFERS 25 //* Number of receive buffers #define ETH_RX_BUFFER_SIZE 128 //* #define NB_TX_BUFFERS 2 //* Number of Transmit buffers #define ETH_TX_BUFFER_SIZE UIP_BUFSIZE //* #define AT91C_NO_IPPACKET 0 #define AT91C_IPPACKET 1 #define ARP_REQUEST 0x0001 #define ARP_REPLY 0x0002 #define PROT_ARP 0x0806 #define PROT_IP 0x0800 #define PROT_ICMP 0x01 #define ICMP_ECHO_REQUEST 0x08 #define ICMP_ECHO_REPLY 0x00 #define AT91C_EMAC_CLKEN 0x2 #define SWAP16(x) (((x & 0xff) << 8) | (x >> 8)) #if 0 //* Transfer descriptor structure typedef struct _AT91S_TdDescriptor { unsigned int addr; unsigned int status; }AT91S_TdDescriptor, *AT91PS_TdDescriptor; #endif //* Receive Transfer descriptor structure typedef struct _AT91S_RxTdDescriptor { unsigned int addr; union { unsigned int status; struct { unsigned int Length:11; unsigned int Res0:1; unsigned int Rxbuf_off:2; unsigned int StartOfFrame:1; unsigned int EndOfFrame:1; unsigned int Cfi:1; unsigned int VlanPriority:3; unsigned int PriorityTag:1; unsigned int VlanTag:1; unsigned int TypeID:1; unsigned int Sa4Match:1; unsigned int Sa3Match:1; unsigned int Sa2Match:1; unsigned int Sa1Match:1; unsigned int Res1:1; unsigned int ExternalAdd:1; unsigned int UniCast:1; unsigned int MultiCast:1; unsigned int BroadCast:1; }S_Status; }U_Status; }AT91S_RxTdDescriptor, *AT91PS_RxTdDescriptor; //* Transmit Transfer descriptor structure typedef struct _AT91S_TxTdDescriptor { unsigned int addr; union { unsigned int status; struct { unsigned int Length:11; unsigned int Res0:4; unsigned int LastBuff:1; unsigned int NoCrc:1; unsigned int Res1:10; unsigned int BufExhausted:1; unsigned int TransmitUnderrun:1; unsigned int TransmitError:1; unsigned int Wrap:1; unsigned int BuffUsed:1; }S_Status; }U_Status; }AT91S_TxTdDescriptor, *AT91PS_TxTdDescriptor; #define AT91C_OWNERSHIP_BIT 0x00000001 /* Receive status defintion */ #define AT91C_BROADCAST_ADDR ((unsigned int) (1 << 31)) //* Broadcat address detected #define AT91C_MULTICAST_HASH ((unsigned int) (1 << 30)) //* MultiCast hash match #define AT91C_UNICAST_HASH ((unsigned int) (1 << 29)) //* UniCast hash match #define AT91C_EXTERNAL_ADDR ((unsigned int) (1 << 28)) //* External Address match #define AT91C_SA1_ADDR ((unsigned int) (1 << 26)) //* Specific address 1 match #define AT91C_SA2_ADDR ((unsigned int) (1 << 25)) //* Specific address 2 match #define AT91C_SA3_ADDR ((unsigned int) (1 << 24)) //* Specific address 3 match #define AT91C_SA4_ADDR ((unsigned int) (1 << 23)) //* Specific address 4 match #define AT91C_TYPE_ID ((unsigned int) (1 << 22)) //* Type ID match #define AT91C_VLAN_TAG ((unsigned int) (1 << 21)) //* VLAN tag detected #define AT91C_PRIORITY_TAG ((unsigned int) (1 << 20)) //* PRIORITY tag detected #define AT91C_VLAN_PRIORITY ((unsigned int) (7 << 17)) //* PRIORITY Mask #define AT91C_CFI_IND ((unsigned int) (1 << 16)) //* CFI indicator #define AT91C_EOF ((unsigned int) (1 << 15)) //* EOF #define AT91C_SOF ((unsigned int) (1 << 14)) //* SOF #define AT91C_RBF_OFFSET ((unsigned int) (3 << 12)) //* Receive Buffer Offset Mask #define AT91C_LENGTH_FRAME ((unsigned int) 0x07FF) //* Length of frame /* Transmit Status definition */ #define AT91C_TRANSMIT_OK ((unsigned int) (1 << 31)) //* #define AT91C_TRANSMIT_WRAP ((unsigned int) (1 << 30)) //* Wrap bit: mark the last descriptor #define AT91C_TRANSMIT_ERR ((unsigned int) (1 << 29)) //* RLE:transmit error #define AT91C_TRANSMIT_UND ((unsigned int) (1 << 28)) //* Transmit Underrun #define AT91C_BUF_EX ((unsigned int) (1 << 27)) //* Buffers exhausted in mid frame #define AT91C_TRANSMIT_NO_CRC ((unsigned int) (1 << 16)) //* No CRC will be appended to the current frame #define AT91C_LAST_BUFFER ((unsigned int) (1 << 15)) //* #define ARP_ETHER 1 /* Ethernet hardware address */ #define ARPOP_REQUEST 1 /* Request to resolve address */ #define ARPOP_REPLY 2 /* Response to previous request */ #define RARPOP_REQUEST 3 /* Request to resolve address */ #define RARPOP_REPLY 4 /* Response to previous request */ typedef struct _AT91S_EthHdr { unsigned char et_dest[6]; /* Destination node */ unsigned char et_src[6]; /* Source node */ unsigned short et_protlen; /* Protocol or length */ } AT91S_EthHdr, *AT91PS_EthHdr; typedef struct _AT91S_ArpHdr { unsigned short ar_hrd; /* Format of hardware address */ unsigned short ar_pro; /* Format of protocol address */ unsigned char ar_hln; /* Length of hardware address */ unsigned char ar_pln; /* Length of protocol address */ unsigned short ar_op; /* Operation */ unsigned char ar_sha[6]; /* Sender hardware address */ unsigned char ar_spa[4]; /* Sender protocol address */ unsigned char ar_tha[6]; /* Target hardware address */ unsigned char ar_tpa[4]; /* Target protocol address */ } AT91S_ArpHdr, *AT91PS_ArpHdr; //* IP Header structure typedef struct _AT91S_IPheader { unsigned char ip_hl_v; /* header length and version */ unsigned char ip_tos; /* type of service */ unsigned short ip_len; /* total length */ unsigned short ip_id; /* identification */ unsigned short ip_off; /* fragment offset field */ unsigned char ip_ttl; /* time to live */ unsigned char ip_p; /* protocol */ unsigned short ip_sum; /* checksum */ unsigned char ip_src[4]; /* Source IP address */ unsigned char ip_dst[4]; /* Destination IP address */ unsigned short udp_src; /* UDP source port */ unsigned short udp_dst; /* UDP destination port */ unsigned short udp_len; /* Length of UDP packet */ unsigned short udp_xsum; /* Checksum */ } AT91S_IPheader, *AT91PS_IPheader; //* ICMP echo header structure typedef struct _AT91S_IcmpEchoHdr { unsigned char type; /* type of message */ unsigned char code; /* type subcode */ unsigned short cksum; /* ones complement cksum of struct */ unsigned short id; /* identifier */ unsigned short seq; /* sequence number */ }AT91S_IcmpEchoHdr, *AT91PS_IcmpEchoHdr; typedef struct _AT91S_EthPack { AT91S_EthHdr EthHdr; AT91S_ArpHdr ArpHdr; } AT91S_EthPack, *AT91PS_EthPack; #endif //* AT91C_EMAC_H