1 /* 2 * Internal details for libpcap on DOS. 3 * 32-bit targets: djgpp, Pharlap or DOS4GW. 4 * 5 * @(#) $Header: /tcpdump/master/libpcap/pcap-dos.h,v 1.1 2004/12/18 08:52:10 guy Exp $ (LBL) 6 */ 7 8 #ifndef __PCAP_DOS_H 9 #define __PCAP_DOS_H 10 11 #ifdef __DJGPP__ 12 #include <pc.h> /* simple non-conio kbhit */ 13 #else 14 #include <conio.h> 15 #endif 16 17 typedef int BOOL; 18 typedef unsigned char BYTE; 19 typedef unsigned short WORD; 20 typedef unsigned long DWORD; 21 typedef BYTE ETHER[6]; 22 23 #define ETH_ALEN sizeof(ETHER) /* Ether address length */ 24 #define ETH_HLEN (2*ETH_ALEN+2) /* Ether header length */ 25 #define ETH_MTU 1500 26 #define ETH_MIN 60 27 #define ETH_MAX (ETH_MTU+ETH_HLEN) 28 29 #ifndef TRUE 30 #define TRUE 1 31 #define FALSE 0 32 #endif 33 34 #define PHARLAP 1 35 #define DJGPP 2 36 #define DOS4GW 4 37 38 #ifdef __DJGPP__ 39 #undef DOSX 40 #define DOSX DJGPP 41 #endif 42 43 #ifdef __WATCOMC__ 44 #undef DOSX 45 #define DOSX DOS4GW 46 #endif 47 48 #ifdef __HIGHC__ 49 #include <pharlap.h> 50 #undef DOSX 51 #define DOSX PHARLAP 52 #define inline 53 #else 54 typedef unsigned int UINT; 55 #endif 56 57 58 #if defined(__GNUC__) || defined(__HIGHC__) 59 typedef unsigned long long uint64; 60 typedef unsigned long long QWORD; 61 #endif 62 63 #if defined(__WATCOMC__) 64 typedef unsigned __int64 uint64; 65 typedef unsigned __int64 QWORD; 66 #endif 67 68 #define ARGSUSED(x) (void) x 69 70 #if defined (__SMALL__) || defined(__LARGE__) 71 #define DOSX 0 72 73 #elif !defined(DOSX) 74 #error DOSX not defined; 1 = PharLap, 2 = djgpp, 4 = DOS4GW 75 #endif 76 77 #ifdef __HIGHC__ 78 #define min(a,b) _min(a,b) 79 #define max(a,b) _max(a,b) 80 #endif 81 82 #ifndef min 83 #define min(a,b) ((a) < (b) ? (a) : (b)) 84 #endif 85 86 #ifndef max 87 #define max(a,b) ((a) < (b) ? (b) : (a)) 88 #endif 89 90 #if !defined(_U_) && defined(__GNUC__) 91 #define _U_ __attribute__((unused)) 92 #endif 93 94 #ifndef _U_ 95 #define _U_ 96 #endif 97 98 #if defined(USE_32BIT_DRIVERS) 99 #include "msdos/pm_drvr/lock.h" 100 101 #ifndef RECEIVE_QUEUE_SIZE 102 #define RECEIVE_QUEUE_SIZE 60 103 #endif 104 105 #ifndef RECEIVE_BUF_SIZE 106 #define RECEIVE_BUF_SIZE (ETH_MAX+20) 107 #endif 108 109 extern struct device el2_dev LOCKED_VAR; /* 3Com EtherLink II */ 110 extern struct device el3_dev LOCKED_VAR; /* EtherLink III */ 111 extern struct device tc59_dev LOCKED_VAR; /* 3Com Vortex Card (?) */ 112 extern struct device tc515_dev LOCKED_VAR; 113 extern struct device tc90x_dev LOCKED_VAR; 114 extern struct device tc90bcx_dev LOCKED_VAR; 115 extern struct device wd_dev LOCKED_VAR; 116 extern struct device ne_dev LOCKED_VAR; 117 extern struct device acct_dev LOCKED_VAR; 118 extern struct device cs89_dev LOCKED_VAR; 119 extern struct device rtl8139_dev LOCKED_VAR; 120 121 struct rx_ringbuf { 122 volatile int in_index; /* queue index head */ 123 int out_index; /* queue index tail */ 124 int elem_size; /* size of each element */ 125 int num_elem; /* number of elements */ 126 char *buf_start; /* start of buffer pool */ 127 }; 128 129 struct rx_elem { 130 DWORD size; /* size copied to this element */ 131 BYTE data[ETH_MAX+10]; /* add some margin. data[0] should be */ 132 }; /* dword aligned */ 133 134 extern BYTE *get_rxbuf (int len) LOCKED_FUNC; 135 extern int peek_rxbuf (BYTE **buf); 136 extern int release_rxbuf (BYTE *buf); 137 138 #else 139 #define LOCKED_VAR 140 #define LOCKED_FUNC 141 142 struct device { 143 const char *name; 144 const char *long_name; 145 DWORD base_addr; /* device I/O address */ 146 int irq; /* device IRQ number */ 147 int dma; /* DMA channel */ 148 DWORD mem_start; /* shared mem start */ 149 DWORD mem_end; /* shared mem end */ 150 DWORD rmem_start; /* shmem "recv" start */ 151 DWORD rmem_end; /* shared "recv" end */ 152 153 struct device *next; /* next device in list */ 154 155 /* interface service routines */ 156 int (*probe)(struct device *dev); 157 int (*open) (struct device *dev); 158 void (*close)(struct device *dev); 159 int (*xmit) (struct device *dev, const void *buf, int len); 160 void *(*get_stats)(struct device *dev); 161 void (*set_multicast_list)(struct device *dev); 162 163 /* driver-to-pcap receive buffer routines */ 164 int (*copy_rx_buf) (BYTE *buf, int max); /* rx-copy (pktdrvr only) */ 165 BYTE *(*get_rx_buf) (int len); /* rx-buf fetch/enqueue */ 166 int (*peek_rx_buf) (BYTE **buf); /* rx-non-copy at queue */ 167 int (*release_rx_buf) (BYTE *buf); /* release after peek */ 168 169 WORD flags; /* Low-level status flags. */ 170 void *priv; /* private data */ 171 }; 172 173 /* 174 * Network device statistics 175 */ 176 typedef struct net_device_stats { 177 DWORD rx_packets; /* total packets received */ 178 DWORD tx_packets; /* total packets transmitted */ 179 DWORD rx_bytes; /* total bytes received */ 180 DWORD tx_bytes; /* total bytes transmitted */ 181 DWORD rx_errors; /* bad packets received */ 182 DWORD tx_errors; /* packet transmit problems */ 183 DWORD rx_dropped; /* no space in Rx buffers */ 184 DWORD tx_dropped; /* no space available for Tx */ 185 DWORD multicast; /* multicast packets received */ 186 187 /* detailed rx_errors: */ 188 DWORD rx_length_errors; 189 DWORD rx_over_errors; /* recv'r overrun error */ 190 DWORD rx_osize_errors; /* recv'r over-size error */ 191 DWORD rx_crc_errors; /* recv'd pkt with crc error */ 192 DWORD rx_frame_errors; /* recv'd frame alignment error */ 193 DWORD rx_fifo_errors; /* recv'r fifo overrun */ 194 DWORD rx_missed_errors; /* recv'r missed packet */ 195 196 /* detailed tx_errors */ 197 DWORD tx_aborted_errors; 198 DWORD tx_carrier_errors; 199 DWORD tx_fifo_errors; 200 DWORD tx_heartbeat_errors; 201 DWORD tx_window_errors; 202 DWORD tx_collisions; 203 DWORD tx_jabbers; 204 } NET_STATS; 205 #endif 206 207 extern struct device *active_dev LOCKED_VAR; 208 extern const struct device *dev_base LOCKED_VAR; 209 extern struct device *probed_dev; 210 211 extern int pcap_pkt_debug; 212 213 extern void _w32_os_yield (void); /* Watt-32's misc.c */ 214 215 #ifdef NDEBUG 216 #define PCAP_ASSERT(x) ((void)0) 217 218 #else 219 void pcap_assert (const char *what, const char *file, unsigned line); 220 221 #define PCAP_ASSERT(x) do { \ 222 if (!(x)) \ 223 pcap_assert (#x, __FILE__, __LINE__); \ 224 } while (0) 225 #endif 226 227 #endif /* __PCAP_DOS_H */ 228