dma_udp_private.h

#ifndef DMA_UDP_PRIVATE_H
#define DMA_UDP_PRIVATE_H

#include "dma_udp.h"

#define MR       0x0000
#define GAR      0x0001
#define SUBR     0x0005
#define SHAR     0x0009
#define SIPR     0x000F
#define IR       0x0015
#define IMR      0x0016
#define RTR      0x0017
#define RCR      0x0019
#define PATR     0x001C
#define PTIMER 0x0028
#define PMAGIC 0x0029

#define SnMR_CLOSE  0x00
#define SnMR_TCP    0x01
#define SnMR_UDP    0x02
#define SnMR_IPRAW  0x03
#define SnMR_MACRAW 0x04
#define SnMR_PPPOE  0x05
#define SnMR_ND     0x20
#define SnMR_MULTI  0x80

#define SnCR_OPEN      0x01
#define SnCR_LISTEN    0x02
#define SnCR_CONNECT   0x04
#define SnCR_DISCON    0x08
#define SnCR_CLOSE     0x10
#define SnCR_SEND      0x20
#define SnCR_SEND_MAC  0x21
#define SnCR_SEND_KEEP 0x22
#define SnCR_RECV      0x40

#define SnSR_CLOSED 0x00
#define SnSR_INIT   0x13
#define SnSR_UDP    0x22

#define SnMR     0x0000 // 1 Mode
#define SnCR     0x0001 // 1 Command
#define SnIR     0x0002 // 1 Interrupt
#define SnSR     0x0003 // 1 Status
#define SnPORT   0x0004 // 2 Source Port
#define SnDHAR   0x0006 // 6 Destination Hardw Addr
#define SnDIPR   0x000C // 4 Destination IP Addr
#define SnDPORT  0x0010 // 2 Destination Port
#define SnMSSR   0x0012 // 2 Max Segment Size
#define SnPROTO  0x0014 // 1 Protocol in IP RAW Mode
#define SnTOS    0x0015 // 1 IP TOS
#define SnTTL    0x0016 // 1 IP TTL
#define SnTX_FSR 0x0020 // 2 TX Free Size
#define SnTX_RD  0x0022 // 2 TX Read Pointer
#define SnTX_WR  0x0024 // 2 TX Write Pointer
#define SnRX_RSR 0x0026 // 2 RX Free Size
#define SnRX_RD  0x0028 // 2 RX Read Pointer
#define SnRX_WR  0x002A // 2 RX Write Pointer (supported?)
#define SnRX_MS  0x001E // 1 RX Memory size
#define SnTX_MS  0x001F // 1 TX Memory size

#define SnIR_SEND_OK 0x10
#define SnIR_TIMEOUT 0x08
#define SnIR_RECV    0x04
#define SnIR_DISCON  0x02
#define SnIR_CON     0x01

#define CH_BASE 0x4000
#define CH_SIZE 0x0100

#define SMASK 0x07FF // Tx buffer MASK
#define RMASK 0x07FF // Rx buffer MASK

#define SSIZE 2048 // Max Tx buffer size
#define RSIZE 2048 // Max Rx buffer size

#define TXBUF_BASE 0x8000
#define RXBUF_BASE 0xC000

#define RST 7 // Reset BIT
#define MAX_SOCK_NUM 8

// SBASE(s) = TXBUF_BASE + s*SSIZE
// RBASE(s) = RXBUF_BASE + s*RSIZE

#endif // DMA_UDP_PRIVATE_H