| //*---------------------------------------------------------------------------- | |
| //* 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 |