1 /* 2 * Internal details for libpcap on DOS. 3 * 32-bit targets: djgpp, Pharlap or DOS4GW. 4 */ 5 6 #ifndef __PCAP_DOS_H 7 #define __PCAP_DOS_H 8 9 #ifdef __DJGPP__ 10 #include <pc.h> /* simple non-conio kbhit */ 11 #else 12 #include <conio.h> 13 #endif 14 15 typedef int BOOL; 16 typedef unsigned char BYTE; 17 typedef unsigned short WORD; 18 typedef unsigned long DWORD; 19 typedef BYTE ETHER[6]; 20 21 #define ETH_ALEN sizeof(ETHER) /* Ether address length */ 22 #define ETH_HLEN (2*ETH_ALEN+2) /* Ether header length */ 23 #define ETH_MTU 1500 24 #define ETH_MIN 60 25 #define ETH_MAX (ETH_MTU+ETH_HLEN) 26 27 #ifndef TRUE 28 #define TRUE 1 29 #define FALSE 0 30 #endif 31 32 #define PHARLAP 1 33 #define DJGPP 2 34 #define DOS4GW 4 35 36 #ifdef __DJGPP__ 37 #undef DOSX 38 #define DOSX DJGPP 39 #endif 40 41 #ifdef __WATCOMC__ 42 #undef DOSX 43 #define DOSX DOS4GW 44 #endif 45 46 #ifdef __HIGHC__ 47 #include <pharlap.h> 48 #undef DOSX 49 #define DOSX PHARLAP 50 #define inline 51 #else 52 typedef unsigned int UINT; 53 #endif 54 55 56 #if defined(__GNUC__) || defined(__HIGHC__) 57 typedef unsigned long long uint64; 58 typedef unsigned long long QWORD; 59 #endif 60 61 #if defined(__WATCOMC__) 62 typedef unsigned __int64 uint64; 63 typedef unsigned __int64 QWORD; 64 #endif 65 66 #define ARGSUSED(x) (void) x 67 68 #if defined (__SMALL__) || defined(__LARGE__) 69 #define DOSX 0 70 71 #elif !defined(DOSX) 72 #error DOSX not defined; 1 = PharLap, 2 = djgpp, 4 = DOS4GW 73 #endif 74 75 #ifdef __HIGHC__ 76 #define min(a,b) _min(a,b) 77 #define max(a,b) _max(a,b) 78 #endif 79 80 #ifndef min 81 #define min(a,b) ((a) < (b) ? (a) : (b)) 82 #endif 83 84 #ifndef max 85 #define max(a,b) ((a) < (b) ? (b) : (a)) 86 #endif 87 88 #if !defined(_U_) && defined(__GNUC__) 89 #define _U_ __attribute__((unused)) 90 #endif 91 92 #ifndef _U_ 93 #define _U_ 94 #endif 95 96 #if defined(USE_32BIT_DRIVERS) 97 #include "msdos/pm_drvr/lock.h" 98 99 #ifndef RECEIVE_QUEUE_SIZE 100 #define RECEIVE_QUEUE_SIZE 60 101 #endif 102 103 #ifndef RECEIVE_BUF_SIZE 104 #define RECEIVE_BUF_SIZE (ETH_MAX+20) 105 #endif 106 107 extern struct device el2_dev LOCKED_VAR; /* 3Com EtherLink II */ 108 extern struct device el3_dev LOCKED_VAR; /* EtherLink III */ 109 extern struct device tc59_dev LOCKED_VAR; /* 3Com Vortex Card (?) */ 110 extern struct device tc515_dev LOCKED_VAR; 111 extern struct device tc90x_dev LOCKED_VAR; 112 extern struct device tc90bcx_dev LOCKED_VAR; 113 extern struct device wd_dev LOCKED_VAR; 114 extern struct device ne_dev LOCKED_VAR; 115 extern struct device acct_dev LOCKED_VAR; 116 extern struct device cs89_dev LOCKED_VAR; 117 extern struct device rtl8139_dev LOCKED_VAR; 118 119 struct rx_ringbuf { 120 volatile int in_index; /* queue index head */ 121 int out_index; /* queue index tail */ 122 int elem_size; /* size of each element */ 123 int num_elem; /* number of elements */ 124 char *buf_start; /* start of buffer pool */ 125 }; 126 127 struct rx_elem { 128 DWORD size; /* size copied to this element */ 129 BYTE data[ETH_MAX+10]; /* add some margin. data[0] should be */ 130 }; /* dword aligned */ 131 132 extern BYTE *get_rxbuf (int len) LOCKED_FUNC; 133 extern int peek_rxbuf (BYTE **buf); 134 extern int release_rxbuf (BYTE *buf); 135 136 #else 137 #define LOCKED_VAR 138 #define LOCKED_FUNC 139 140 struct device { 141 const char *name; 142 const char *long_name; 143 DWORD base_addr; /* device I/O address */ 144 int irq; /* device IRQ number */ 145 int dma; /* DMA channel */ 146 DWORD mem_start; /* shared mem start */ 147 DWORD mem_end; /* shared mem end */ 148 DWORD rmem_start; /* shmem "recv" start */ 149 DWORD rmem_end; /* shared "recv" end */ 150 151 struct device *next; /* next device in list */ 152 153 /* interface service routines */ 154 int (*probe)(struct device *dev); 155 int (*open) (struct device *dev); 156 void (*close)(struct device *dev); 157 int (*xmit) (struct device *dev, const void *buf, int len); 158 void *(*get_stats)(struct device *dev); 159 void (*set_multicast_list)(struct device *dev); 160 161 /* driver-to-pcap receive buffer routines */ 162 int (*copy_rx_buf) (BYTE *buf, int max); /* rx-copy (pktdrvr only) */ 163 BYTE *(*get_rx_buf) (int len); /* rx-buf fetch/enqueue */ 164 int (*peek_rx_buf) (BYTE **buf); /* rx-non-copy at queue */ 165 int (*release_rx_buf) (BYTE *buf); /* release after peek */ 166 167 WORD flags; /* Low-level status flags. */ 168 void *priv; /* private data */ 169 }; 170 171 /* 172 * Network device statistics 173 */ 174 typedef struct net_device_stats { 175 DWORD rx_packets; /* total packets received */ 176 DWORD tx_packets; /* total packets transmitted */ 177 DWORD rx_bytes; /* total bytes received */ 178 DWORD tx_bytes; /* total bytes transmitted */ 179 DWORD rx_errors; /* bad packets received */ 180 DWORD tx_errors; /* packet transmit problems */ 181 DWORD rx_dropped; /* no space in Rx buffers */ 182 DWORD tx_dropped; /* no space available for Tx */ 183 DWORD multicast; /* multicast packets received */ 184 185 /* detailed rx_errors: */ 186 DWORD rx_length_errors; 187 DWORD rx_over_errors; /* recv'r overrun error */ 188 DWORD rx_osize_errors; /* recv'r over-size error */ 189 DWORD rx_crc_errors; /* recv'd pkt with crc error */ 190 DWORD rx_frame_errors; /* recv'd frame alignment error */ 191 DWORD rx_fifo_errors; /* recv'r fifo overrun */ 192 DWORD rx_missed_errors; /* recv'r missed packet */ 193 194 /* detailed tx_errors */ 195 DWORD tx_aborted_errors; 196 DWORD tx_carrier_errors; 197 DWORD tx_fifo_errors; 198 DWORD tx_heartbeat_errors; 199 DWORD tx_window_errors; 200 DWORD tx_collisions; 201 DWORD tx_jabbers; 202 } NET_STATS; 203 #endif 204 205 extern struct device *active_dev LOCKED_VAR; 206 extern const struct device *dev_base LOCKED_VAR; 207 extern struct device *probed_dev; 208 209 extern int pcap_pkt_debug; 210 211 extern void _w32_os_yield (void); /* Watt-32's misc.c */ 212 213 #ifdef NDEBUG 214 #define PCAP_ASSERT(x) ((void)0) 215 216 #else 217 void pcap_assert (const char *what, const char *file, unsigned line); 218 219 #define PCAP_ASSERT(x) do { \ 220 if (!(x)) \ 221 pcap_assert (#x, __FILE__, __LINE__); \ 222 } while (0) 223 #endif 224 225 #endif /* __PCAP_DOS_H */ 226
