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00048 #include <DOS.H>
00049 #include "pktdrv.h"
00050
00051
00052
00053 unsigned char PktDriver_Installed(void)
00054 {
00055
00056 union REGS inregs;
00057 union REGS outregs;
00058
00059
00060 inregs.h.ah = 0x16;
00061 int86(0xA0,&inregs,&outregs);
00062
00063
00064 if(outregs.x.dx & 0x08)
00065 return 1;
00066
00067 return 0;
00068
00069 }
00070
00071
00072
00073
00074 unsigned char Get_Driver_Info(Driver_Info * drv_info )
00075 {
00076
00077 union REGS inregs;
00078 union REGS outregs;
00079
00080 inregs.h.ah = DRIVER_INFO;
00081 inregs.h.al = 0xff;
00082
00083 int86(PKTVECT,&inregs,&outregs);
00084
00085 if(outregs.x.cflag) return outregs.h.dh;
00086
00087 drv_info->version = outregs.x.bx;
00088 drv_info->_class = outregs.h.ch;
00089 drv_info->type = outregs.x.dx;
00090 drv_info->number = outregs.h.cl;
00091 drv_info->basic = outregs.h.al;
00092 return 0;
00093 }
00094
00095
00096
00097
00098 unsigned char Get_Eth_Address(unsigned char *buffer, unsigned int len)
00099 {
00100 union REGS inregs;
00101 union REGS outregs;
00102 struct SREGS sregs;
00103
00104 inregs.h.ah = GET_ADDRESS;
00105 inregs.x.cx = len;
00106 inregs.x.di = FP_OFF(buffer);
00107 sregs.es = FP_SEG(buffer);
00108 int86x(PKTVECT,&inregs,&outregs,&sregs);
00109
00110
00111 if(outregs.x.flags&0x01)
00112 {
00113 return outregs.h.dh;
00114 }
00115 return 0;
00116 }
00117
00118
00119
00120
00121 unsigned char Send_Packet(unsigned char * buffer, unsigned int len)
00122 {
00123
00124 union REGS inregs;
00125 union REGS outregs;
00126 struct SREGS sregs;
00127
00128 inregs.h.ah = SEND_PKT;
00129 inregs.x.cx = len;
00130 inregs.x.si = FP_OFF(buffer);
00131 sregs.ds = FP_SEG(buffer);
00132 int86x(PKTVECT,&inregs,&outregs,&sregs);
00133
00134
00135 if(outregs.x.flags&0x01)
00136 {
00137 return outregs.h.dh;
00138 }
00139 return 0;
00140
00141 }
00142
00143
00144
00145
00146 unsigned int Set_Access_Type(Driver_Info * drv_info, fpFktPtr Receiver, int * pkt_type, int *handle)
00147 {
00148
00149
00150 union REGS inregs;
00151 union REGS outregs;
00152 struct SREGS sregs;
00153
00154
00155 inregs.h.dl = drv_info->number;
00156 sregs.ds = FP_SEG(pkt_type);
00157 inregs.x.si = FP_OFF(pkt_type);
00158 inregs.x.cx = sizeof(int);
00159 sregs.es = FP_SEG(Receiver);
00160 inregs.x.di = FP_OFF(Receiver);
00161 inregs.x.bx = drv_info->type;
00162 inregs.h.ah = ACCESS_TYPE;
00163 inregs.h.al = drv_info->_class;
00164 int86x(PKTVECT,&inregs,&outregs,&sregs);
00165
00166 if(outregs.x.cflag)
00167 {
00168 return outregs.h.dh;
00169 }
00170 else
00171 {
00172 *handle = outregs.x.ax;
00173 return 0;
00174 }
00175
00176 }
00177
00178
00179
00180 unsigned int Release_Type(unsigned int handle)
00181 {
00182
00183 union REGS inregs;
00184 union REGS outregs;
00185
00186 inregs.x.bx = handle;
00187 inregs.h.ah = RELEASE_TYPE;
00188 int86(PKTVECT,&inregs,&outregs);
00189 if(outregs.x.cflag)
00190 return outregs.h.dh;
00191 return 0;
00192 }
00193
00194
00195
00196
00197
00198
00199
00200
00201 unsigned int Set_Multicast(unsigned char * mac_addr, int set)
00202 {
00203
00204
00205 union REGS inregs;
00206 union REGS outregs;
00207 struct SREGS sregs;
00208
00209
00210
00211 sregs.es = FP_SEG(mac_addr);
00212 inregs.x.di = FP_OFF(mac_addr);
00213 inregs.x.cx = 6;
00214
00215 if(set)
00216 {
00217 inregs.h.ah = SET_MULTICAST;
00218 }
00219 else
00220 {
00221 inregs.h.ah = DEL_MULTICAST;
00222 }
00223 int86x(PKTVECT,&inregs,&outregs,&sregs);
00224
00225 if(outregs.x.cflag)
00226 {
00227 return outregs.h.dh;
00228 }
00229 else
00230 {
00231 return 0;
00232 }
00233 }
00234
00235
00236
00237
00238
00239
00240
00241 unsigned int Set_WildcardAccess_Type(Driver_Info * drv_info, fpFktPtr Receiver, int * pkt_type, int *handle)
00242 {
00243
00244
00245 union REGS inregs;
00246 union REGS outregs;
00247 struct SREGS sregs;
00248
00249
00250 inregs.h.dl = drv_info->number;
00251 sregs.ds = FP_SEG(pkt_type);
00252 inregs.x.si = FP_OFF(pkt_type);
00253 inregs.x.cx = sizeof(int);
00254 sregs.es = FP_SEG(Receiver);
00255 inregs.x.di = FP_OFF(Receiver);
00256 inregs.x.bx = drv_info->type;
00257 inregs.h.ah = INSTALL_WILDCARD;
00258 inregs.h.al = drv_info->_class;
00259 int86x(PKTVECT,&inregs,&outregs,&sregs);
00260
00261 if(outregs.x.cflag)
00262 {
00263 return outregs.h.dh;
00264 }
00265 else
00266 {
00267 *handle = outregs.x.ax;
00268 return 0;
00269 }
00270
00271 }
00272
00273
00274
00275
00276
00277 unsigned int Get_Receive_Mode(unsigned char * error)
00278 {
00279
00280 union REGS inregs;
00281 union REGS outregs;
00282
00283 *error=0;
00284 inregs.h.ah = GET_RCVMODE;
00285 int86(PKTVECT,&inregs,&outregs);
00286 if(outregs.x.cflag)
00287 {
00288 *error=outregs.h.dh;
00289 return 0;
00290 }
00291 return outregs.x.ax;
00292 }
00293
00294
00295
00296
00297
00298 unsigned int Set_Receive_Mode(unsigned int mode,unsigned char * error)
00299 {
00300
00301 union REGS inregs;
00302 union REGS outregs;
00303
00304 *error=0;
00305 inregs.h.ah = SET_RCVMODE;
00306 inregs.x.cx = mode;
00307
00308 int86(PKTVECT,&inregs,&outregs);
00309 if(outregs.x.cflag)
00310 {
00311 *error=outregs.h.dh;
00312 return 0;
00313 }
00314 return outregs.x.ax;
00315 }
00316
00317
00318
00319
00320