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1.1 ! root 1: /* test.c - main */ ! 2: ! 3: #include <conf.h> ! 4: #include <kernel.h> ! 5: #include <deqna.h> ! 6: #include <ether.h> ! 7: #include <ip.h> ! 8: #include <arp.h> ! 9: ! 10: /*------------------------------------------------------------------------ ! 11: * main -- test ethernet by reading packets ! 12: *------------------------------------------------------------------------ ! 13: */ ! 14: main() ! 15: { ! 16: char buff[1600]; ! 17: struct xx { ! 18: struct eheader ethead; ! 19: struct arppak arpout; ! 20: } outpak; ! 21: int i, iterate, len; ! 22: char *p, ch; ! 23: struct arppak *arpptr; ! 24: struct epacket *epkptr; ! 25: ! 26: /* call buffer pool stuff so 'freebuf' can be mentioned */ ! 27: /* without generating a load-time error */ ! 28: mkpool(10,10); ! 29: ! 30: printf("Read %d packets from Ethernet\n", iterate=2); ! 31: epkptr = (struct epacket *)buff; ! 32: while (iterate--) { ! 33: len = read(ETHER, buff, 1500); ! 34: epkptr->ep_hdr.e_ptype = netorder(epkptr->ep_hdr.e_ptype); ! 35: if (len == SYSERR) { ! 36: kprintf("\nError...\n"); ! 37: } else if (epkptr->ep_hdr.e_ptype == EP_ARP) { ! 38: /* do ARP */ kprintf("ARP...\n"); ! 39: } else { ! 40: p = (char *)buff; ! 41: kprintf("\n TYP: %d\n",epkptr->ep_hdr.e_ptype); ! 42: kprintf(" LEN: %d\n TO: ",len); ! 43: for (i=0 ; i<6 ; i++) ! 44: kprintf("%03o ", 0377& *p++); ! 45: kprintf("\nFROM: "); ! 46: for (i=0 ; i<6 ; i++) ! 47: kprintf("%03o ", 0377& *p++); ! 48: kprintf("\nTYPE: "); ! 49: kprintf("%03o ", 0377 & *p++); ! 50: kprintf("%03o ", 0377 & *p++); ! 51: kprintf("\nDATA: "); ! 52: for (i=0 ; i<60 ; i++) { ! 53: ch = *p++; ! 54: if ( ((ch >= 'a') && (ch <= 'z')) || ! 55: ((ch >= 'A') && (ch <= 'Z')) ) ! 56: kprintf("%c",ch); ! 57: } ! 58: kprintf("\n"); ! 59: } ! 60: } ! 61: ! 62: kprintf("Preparing to transmit ARP request %d times...\n", iterate=2); ! 63: /* make up packet */ ! 64: ! 65: for (i=0 ; i<EPADLEN ; i++) { ! 66: outpak.ethead.e_dest[i] = 0377; ! 67: } ! 68: blkcopy(outpak.ethead.e_src, eth[0].etpaddr, EPADLEN); ! 69: outpak.ethead.e_ptype = netorder(EP_ARP); ! 70: outpak.arpout.ar_hrd = netorder(AR_HRD); ! 71: outpak.arpout.ar_prot = netorder(AR_PROT); ! 72: outpak.arpout.ar_hlen = AR_HLEN; ! 73: outpak.arpout.ar_plen = AR_PLEN; ! 74: outpak.arpout.ar_op = netorder(AR_REQ); ! 75: for (i=0 ; i<EPADLEN ; i++) { ! 76: outpak.arpout.ar_sha[i] = eth[0].etpaddr[i]; ! 77: outpak.arpout.ar_tha[i] = (char)0; ! 78: } ! 79: dot2ip(outpak.arpout.ar_spa,192,5,48,30); /* xinutest1 */ ! 80: dot2ip(outpak.arpout.ar_tpa,192,5,48,23); /* Lancelot*/ ! 81: epkptr = (struct epacket *) buff; ! 82: arpptr = (struct arppak *) epkptr->ep_data; ! 83: while (iterate--) { ! 84: if ( (len=sizeof(struct xx)) < EMINPAK) ! 85: len = EMINPAK; ! 86: kprintf("Sending %d byte packet\n", len); ! 87: if (write(ETHER, &outpak,len) == SYSERR) ! 88: kprintf("\nTE\n"); ! 89: len = read(ETHER, buff,1500); ! 90: epkptr->ep_hdr.e_ptype = netorder(epkptr->ep_hdr.e_ptype); ! 91: if (len == SYSERR) { ! 92: kprintf("\nRE\n"); ! 93: } else if (epkptr->ep_hdr.e_ptype == EP_ARP) { ! 94: kprintf("ARP: len=%d\n",len); ! 95: kprintf(" FR: %o %o %o %o %o %o\n", ! 96: epkptr->ep_hdr.e_src[0] &0377, ! 97: epkptr->ep_hdr.e_src[1] &0377, ! 98: epkptr->ep_hdr.e_src[2] &0377, ! 99: epkptr->ep_hdr.e_src[3] &0377, ! 100: epkptr->ep_hdr.e_src[4] &0377, ! 101: epkptr->ep_hdr.e_src[5] &0377); ! 102: kprintf(" TO: %o %o %o %o %o %o\n", ! 103: epkptr->ep_hdr.e_dest[0] &0377, ! 104: epkptr->ep_hdr.e_dest[1] &0377, ! 105: epkptr->ep_hdr.e_dest[2] &0377, ! 106: epkptr->ep_hdr.e_dest[3] &0377, ! 107: epkptr->ep_hdr.e_dest[4] &0377, ! 108: epkptr->ep_hdr.e_dest[5] &0377); ! 109: kprintf(" OP: %d\n SH: %o %o %o %o %o %o \n", ! 110: netorder(arpptr->ar_op), ! 111: arpptr->ar_sha[0] &0377, ! 112: arpptr->ar_sha[1] &0377, ! 113: arpptr->ar_sha[2] &0377, ! 114: arpptr->ar_sha[3] &0377, ! 115: arpptr->ar_sha[4] &0377, ! 116: arpptr->ar_sha[5] &0377); ! 117: kprintf(" SP: %d.%d.%d.%d\n", ! 118: arpptr->ar_spa[0] &0377, ! 119: arpptr->ar_spa[1] &0377, ! 120: arpptr->ar_spa[2] &0377, ! 121: arpptr->ar_spa[3] &0377); ! 122: kprintf(" TH: %o %o %o %o %o %o\n TP: %d.%d.%d.%d\n", ! 123: arpptr->ar_tha[0] &0377, ! 124: arpptr->ar_tha[1] &0377, ! 125: arpptr->ar_tha[2] &0377, ! 126: arpptr->ar_tha[3] &0377, ! 127: arpptr->ar_tha[4] &0377, ! 128: arpptr->ar_tha[5] &0377, ! 129: arpptr->ar_tpa[0] &0377, ! 130: arpptr->ar_tpa[1] &0377, ! 131: arpptr->ar_tpa[2] &0377, ! 132: arpptr->ar_tpa[3] &0377); ! 133: } else { ! 134: kprintf("Typ=%o\n",netorder(epkptr->ep_hdr.e_ptype)); ! 135: iterate++; ! 136: } ! 137: } ! 138: } ! 139: ! 140: dot2ip(ip, b1, b2, b3, b4) ! 141: char *ip; ! 142: int b1, b2, b3, b4; ! 143: { ! 144: *ip++ = LOWBYTE & b1; ! 145: *ip++ = LOWBYTE & b2; ! 146: *ip++ = LOWBYTE & b3; ! 147: *ip++ = LOWBYTE & b4; ! 148: } ! 149: ! 150: ! 151: netorder(i) ! 152: int i; ! 153: { ! 154: char c; ! 155: ! 156: return( ((i&0377)<<8) | ((i>>8)&0377) ); ! 157: } ! 158: ! 159: ! 160: blkcopy(to, from, bytes) ! 161: char *from; ! 162: char *to; ! 163: int bytes; ! 164: { ! 165: while (bytes-- > 0) ! 166: *to++ = *from++; ! 167: }
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