net.h~

Control ENC28J60 codevision

// ******* ETH *******
#define ETH_HEADER_LEN   14
// values of certain bytes:
#define ETHTYPE_ARP_H_V 0x08
#define ETHTYPE_ARP_L_V 0x06
#define ETHTYPE_IP_V   0x0800
#define ETHTYPE_IP_H_V  0x08
#define ETHTYPE_IP_L_V  0x00
// byte positions in the ethernet frame:
//
// Ethernet type field (2bytes):
#define ETH_TYPE_H_P 12
#define ETH_TYPE_L_P 13
//
#define ETH_DST_MAC 0
#define ETH_SRC_MAC 6


// ******* ARP *******
#define ETH_ARP_OPCODE_REPLY_H_V 0x0
#define ETH_ARP_OPCODE_REPLY_L_V 0x02
//
#define ETHTYPE_ARP_L_V 0x06
// arp.dst.ip
#define ETH_ARP_DST_IP_P 0x26
// arp.opcode
#define ETH_ARP_OPCODE_H_P 0x14
#define ETH_ARP_OPCODE_L_P 0x15
// arp.src.mac
#define ETH_ARP_SRC_MAC_P 0x16
#define ETH_ARP_SRC_IP_P 0x1c
#define ETH_ARP_DST_MAC_P 0x20
#define ETH_ARP_DST_IP_P 0x26

#define ARP_OPCODE_REQUEST_H_V   0x00
#define ARP_OPCODE_REQUEST_L_V   0x01
#define ARP_OPCODE_REPLY_H_V   0x00
#define ARP_OPCODE_REPLY_L_V   0x02

#define ARP_HARDWARE_TYPE_H_V   0x00
#define ARP_HARDWARE_TYPE_L_V   0x01
#define ARP_PROTOCOL_H_V      0x08
#define ARP_PROTOCOL_L_V      0x00
#define ARP_HARDWARE_SIZE_V      0x06
#define ARP_PROTOCOL_SIZE_V      0x04

#define ARP_HARDWARE_TYPE_H_P   0x0E
#define ARP_HARDWARE_TYPE_L_P   0x0F
#define ARP_PROTOCOL_H_P      0x10
#define ARP_PROTOCOL_L_P      0x11
#define ARP_HARDWARE_SIZE_P      0x12
#define ARP_PROTOCOL_SIZE_P      0x13
#define ARP_OPCODE_H_P         0x14
#define ARP_OPCODE_L_P         0x15
#define ARP_SRC_MAC_P         0x16
#define ARP_SRC_IP_P         0x1C
#define ARP_DST_MAC_P         0x20
#define ARP_DST_IP_P         0x26


// ******* IP *******
#define IP_HEADER_LEN      20

#define IP_PROTO_ICMP_V      0x01
#define IP_PROTO_TCP_V      0x06
#define IP_PROTO_UDP_V      0x11
#define IP_V4_V            0x40
#define IP_HEADER_LENGTH_V   0x05

#define IP_P            0x0E
#define IP_HEADER_VER_LEN_P   0x0E
#define IP_TOS_P         0x0F
#define IP_TOTLEN_H_P      0x10
#define IP_TOTLEN_L_P      0x11
#define IP_ID_H_P         0x12
#define IP_ID_L_P         0x13
#define IP_FLAGS_P          0x14     
#define IP_FLAGS_H_P      0x14
#define IP_FLAGS_L_P      0x15
#define IP_TTL_P         0x16
#define IP_PROTO_P         0x17
#define IP_CHECKSUM_P       0x18 
#define IP_CHECKSUM_H_P      0x18
#define IP_CHECKSUM_L_P      0x19
#define IP_SRC_IP_P         0x1A
#define IP_DST_IP_P         0x1E

#define IP_SRC_P          0x1a
#define IP_DST_P          0x1e
#define IP_HEADER_LEN_VER_P 0xe
// ******* ICMP *******
#define ICMP_TYPE_ECHOREPLY_V 0
#define ICMP_TYPE_ECHOREQUEST_V 8
//
#define ICMP_TYPE_P 0x22
#define ICMP_CHECKSUM_P 0x24

// ******* UDP *******
#define UDP_HEADER_LEN   8
//
#define UDP_SRC_PORT_H_P 0x22
#define UDP_SRC_PORT_L_P 0x23
#define UDP_DST_PORT_H_P 0x24
#define UDP_DST_PORT_L_P 0x25
//
#define UDP_LEN_H_P 0x26
#define UDP_LEN_L_P 0x27
#define UDP_CHECKSUM_H_P 0x28
#define UDP_CHECKSUM_L_P 0x29
#define UDP_DATA_P 0x2a

// ******* TCP *******
//  plain len without the options:
#define TCP_HEADER_LEN_PLAIN 20

      
#define TCP_FLAG_FIN_V      0x01
#define TCP_FLAGS_FIN_V      0x01
#define TCP_FLAGS_SYN_V      0x02
#define TCP_FLAG_SYN_V      0x02
#define TCP_FLAG_RST_V      0x04
#define TCP_FLAG_PUSH_V      0x08
#define TCP_FLAGS_ACK_V      0x10
#define TCP_FLAG_ACK_V      0x10
#define TCP_FLAG_URG_V      0x20
#define TCP_FLAG_ECE_V      0x40
#define TCP_FLAG_CWR_V      0x80
#define TCP_FLAGS_SYNACK_V    0x12

#define TCP_SRC_PORT_H_P    0x22
#define TCP_SRC_PORT_L_P    0x23
#define TCP_DST_PORT_H_P    0x24
#define TCP_DST_PORT_L_P    0x25
#define TCP_SEQ_P           0x26   // the tcp seq number is 4 bytes 0x26-0x29
#define TCP_SEQ_H_P       0x26
#define TCP_SEQACK_P        0x2A   // 4 bytes
#define TCP_SEQACK_H_P       0x2A
#define TCP_HEADER_LEN_P    0x2E
#define TCP_FLAGS_P       0x2F
#define TCP_FLAG_P         0x2F
#define TCP_WINDOWSIZE_H_P   0x30   // 2 bytes
#define TCP_WINDOWSIZE_L_P   0x31
#define TCP_CHECKSUM_H_P    0x32
#define TCP_CHECKSUM_L_P    0x33
#define TCP_URGENT_PTR_H_P    0x34   // 2 bytes
#define TCP_URGENT_PTR_L_P    0x35
#define TCP_OPTIONS_P       0x36
#define TCP_DATA_P         0x36