1146768Ssam/* 2146768Ssam * Internal details for libpcap on DOS. 3146768Ssam * 32-bit targets: djgpp, Pharlap or DOS4GW. 4146768Ssam */ 5146768Ssam 6146768Ssam#ifndef __PCAP_DOS_H 7146768Ssam#define __PCAP_DOS_H 8146768Ssam 9146768Ssam#ifdef __DJGPP__ 10146768Ssam#include <pc.h> /* simple non-conio kbhit */ 11146768Ssam#else 12146768Ssam#include <conio.h> 13146768Ssam#endif 14146768Ssam 15146768Ssamtypedef int BOOL; 16146768Ssamtypedef unsigned char BYTE; 17146768Ssamtypedef unsigned short WORD; 18146768Ssamtypedef unsigned long DWORD; 19146768Ssamtypedef BYTE ETHER[6]; 20146768Ssam 21146768Ssam#define ETH_ALEN sizeof(ETHER) /* Ether address length */ 22146768Ssam#define ETH_HLEN (2*ETH_ALEN+2) /* Ether header length */ 23146768Ssam#define ETH_MTU 1500 24146768Ssam#define ETH_MIN 60 25146768Ssam#define ETH_MAX (ETH_MTU+ETH_HLEN) 26146768Ssam 27146768Ssam#ifndef TRUE 28146768Ssam #define TRUE 1 29146768Ssam #define FALSE 0 30146768Ssam#endif 31146768Ssam 32146768Ssam#define PHARLAP 1 33146768Ssam#define DJGPP 2 34146768Ssam#define DOS4GW 4 35146768Ssam 36146768Ssam#ifdef __DJGPP__ 37146768Ssam #undef DOSX 38146768Ssam #define DOSX DJGPP 39146768Ssam#endif 40146768Ssam 41146768Ssam#ifdef __WATCOMC__ 42146768Ssam #undef DOSX 43146768Ssam #define DOSX DOS4GW 44146768Ssam#endif 45146768Ssam 46146768Ssam#ifdef __HIGHC__ 47146768Ssam #include <pharlap.h> 48146768Ssam #undef DOSX 49146768Ssam #define DOSX PHARLAP 50146768Ssam #define inline 51146768Ssam#else 52146768Ssam typedef unsigned int UINT; 53146768Ssam#endif 54146768Ssam 55146768Ssam 56146768Ssam#if defined(__GNUC__) || defined(__HIGHC__) 57146768Ssam typedef unsigned long long uint64; 58146768Ssam typedef unsigned long long QWORD; 59146768Ssam#endif 60146768Ssam 61146768Ssam#if defined(__WATCOMC__) 62146768Ssam typedef unsigned __int64 uint64; 63146768Ssam typedef unsigned __int64 QWORD; 64146768Ssam#endif 65146768Ssam 66146768Ssam#define ARGSUSED(x) (void) x 67146768Ssam 68146768Ssam#if defined (__SMALL__) || defined(__LARGE__) 69146768Ssam #define DOSX 0 70146768Ssam 71146768Ssam#elif !defined(DOSX) 72146768Ssam #error DOSX not defined; 1 = PharLap, 2 = djgpp, 4 = DOS4GW 73146768Ssam#endif 74146768Ssam 75146768Ssam#ifdef __HIGHC__ 76146768Ssam#define min(a,b) _min(a,b) 77146768Ssam#define max(a,b) _max(a,b) 78146768Ssam#endif 79146768Ssam 80146768Ssam#ifndef min 81146768Ssam#define min(a,b) ((a) < (b) ? (a) : (b)) 82146768Ssam#endif 83146768Ssam 84146768Ssam#ifndef max 85146768Ssam#define max(a,b) ((a) < (b) ? (b) : (a)) 86146768Ssam#endif 87146768Ssam 88146768Ssam#if !defined(_U_) && defined(__GNUC__) 89146768Ssam#define _U_ __attribute__((unused)) 90146768Ssam#endif 91146768Ssam 92146768Ssam#ifndef _U_ 93146768Ssam#define _U_ 94146768Ssam#endif 95146768Ssam 96146768Ssam#if defined(USE_32BIT_DRIVERS) 97146768Ssam #include "msdos/pm_drvr/lock.h" 98146768Ssam 99146768Ssam #ifndef RECEIVE_QUEUE_SIZE 100146768Ssam #define RECEIVE_QUEUE_SIZE 60 101146768Ssam #endif 102146768Ssam 103146768Ssam #ifndef RECEIVE_BUF_SIZE 104146768Ssam #define RECEIVE_BUF_SIZE (ETH_MAX+20) 105146768Ssam #endif 106146768Ssam 107146768Ssam extern struct device el2_dev LOCKED_VAR; /* 3Com EtherLink II */ 108146768Ssam extern struct device el3_dev LOCKED_VAR; /* EtherLink III */ 109146768Ssam extern struct device tc59_dev LOCKED_VAR; /* 3Com Vortex Card (?) */ 110146768Ssam extern struct device tc515_dev LOCKED_VAR; 111146768Ssam extern struct device tc90x_dev LOCKED_VAR; 112146768Ssam extern struct device tc90bcx_dev LOCKED_VAR; 113146768Ssam extern struct device wd_dev LOCKED_VAR; 114146768Ssam extern struct device ne_dev LOCKED_VAR; 115146768Ssam extern struct device acct_dev LOCKED_VAR; 116146768Ssam extern struct device cs89_dev LOCKED_VAR; 117146768Ssam extern struct device rtl8139_dev LOCKED_VAR; 118146768Ssam 119146768Ssam struct rx_ringbuf { 120146768Ssam volatile int in_index; /* queue index head */ 121146768Ssam int out_index; /* queue index tail */ 122146768Ssam int elem_size; /* size of each element */ 123146768Ssam int num_elem; /* number of elements */ 124146768Ssam char *buf_start; /* start of buffer pool */ 125146768Ssam }; 126146768Ssam 127146768Ssam struct rx_elem { 128146768Ssam DWORD size; /* size copied to this element */ 129146768Ssam BYTE data[ETH_MAX+10]; /* add some margin. data[0] should be */ 130146768Ssam }; /* dword aligned */ 131146768Ssam 132146768Ssam extern BYTE *get_rxbuf (int len) LOCKED_FUNC; 133146768Ssam extern int peek_rxbuf (BYTE **buf); 134146768Ssam extern int release_rxbuf (BYTE *buf); 135146768Ssam 136146768Ssam#else 137146768Ssam #define LOCKED_VAR 138146768Ssam #define LOCKED_FUNC 139146768Ssam 140146768Ssam struct device { 141146768Ssam const char *name; 142146768Ssam const char *long_name; 143146768Ssam DWORD base_addr; /* device I/O address */ 144146768Ssam int irq; /* device IRQ number */ 145146768Ssam int dma; /* DMA channel */ 146146768Ssam DWORD mem_start; /* shared mem start */ 147146768Ssam DWORD mem_end; /* shared mem end */ 148146768Ssam DWORD rmem_start; /* shmem "recv" start */ 149146768Ssam DWORD rmem_end; /* shared "recv" end */ 150146768Ssam 151146768Ssam struct device *next; /* next device in list */ 152146768Ssam 153146768Ssam /* interface service routines */ 154146768Ssam int (*probe)(struct device *dev); 155146768Ssam int (*open) (struct device *dev); 156146768Ssam void (*close)(struct device *dev); 157146768Ssam int (*xmit) (struct device *dev, const void *buf, int len); 158146768Ssam void *(*get_stats)(struct device *dev); 159146768Ssam void (*set_multicast_list)(struct device *dev); 160146768Ssam 161146768Ssam /* driver-to-pcap receive buffer routines */ 162146768Ssam int (*copy_rx_buf) (BYTE *buf, int max); /* rx-copy (pktdrvr only) */ 163146768Ssam BYTE *(*get_rx_buf) (int len); /* rx-buf fetch/enqueue */ 164146768Ssam int (*peek_rx_buf) (BYTE **buf); /* rx-non-copy at queue */ 165146768Ssam int (*release_rx_buf) (BYTE *buf); /* release after peek */ 166146768Ssam 167146768Ssam WORD flags; /* Low-level status flags. */ 168146768Ssam void *priv; /* private data */ 169146768Ssam }; 170146768Ssam 171146768Ssam /* 172146768Ssam * Network device statistics 173146768Ssam */ 174146768Ssam typedef struct net_device_stats { 175146768Ssam DWORD rx_packets; /* total packets received */ 176146768Ssam DWORD tx_packets; /* total packets transmitted */ 177146768Ssam DWORD rx_bytes; /* total bytes received */ 178146768Ssam DWORD tx_bytes; /* total bytes transmitted */ 179146768Ssam DWORD rx_errors; /* bad packets received */ 180146768Ssam DWORD tx_errors; /* packet transmit problems */ 181146768Ssam DWORD rx_dropped; /* no space in Rx buffers */ 182146768Ssam DWORD tx_dropped; /* no space available for Tx */ 183146768Ssam DWORD multicast; /* multicast packets received */ 184146768Ssam 185146768Ssam /* detailed rx_errors: */ 186146768Ssam DWORD rx_length_errors; 187146768Ssam DWORD rx_over_errors; /* recv'r overrun error */ 188146768Ssam DWORD rx_osize_errors; /* recv'r over-size error */ 189146768Ssam DWORD rx_crc_errors; /* recv'd pkt with crc error */ 190146768Ssam DWORD rx_frame_errors; /* recv'd frame alignment error */ 191146768Ssam DWORD rx_fifo_errors; /* recv'r fifo overrun */ 192146768Ssam DWORD rx_missed_errors; /* recv'r missed packet */ 193146768Ssam 194146768Ssam /* detailed tx_errors */ 195146768Ssam DWORD tx_aborted_errors; 196146768Ssam DWORD tx_carrier_errors; 197146768Ssam DWORD tx_fifo_errors; 198146768Ssam DWORD tx_heartbeat_errors; 199146768Ssam DWORD tx_window_errors; 200146768Ssam DWORD tx_collisions; 201146768Ssam DWORD tx_jabbers; 202146768Ssam } NET_STATS; 203146768Ssam#endif 204146768Ssam 205146768Ssamextern struct device *active_dev LOCKED_VAR; 206146768Ssamextern const struct device *dev_base LOCKED_VAR; 207146768Ssamextern struct device *probed_dev; 208146768Ssam 209146768Ssamextern int pcap_pkt_debug; 210146768Ssam 211146768Ssamextern void _w32_os_yield (void); /* Watt-32's misc.c */ 212146768Ssam 213146768Ssam#ifdef NDEBUG 214146768Ssam #define PCAP_ASSERT(x) ((void)0) 215146768Ssam 216146768Ssam#else 217146768Ssam void pcap_assert (const char *what, const char *file, unsigned line); 218146768Ssam 219146768Ssam #define PCAP_ASSERT(x) do { \ 220146768Ssam if (!(x)) \ 221146768Ssam pcap_assert (#x, __FILE__, __LINE__); \ 222146768Ssam } while (0) 223146768Ssam#endif 224146768Ssam 225146768Ssam#endif /* __PCAP_DOS_H */ 226