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Add higher baud rates, option for link-local address assignment

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This commit is contained in:
David Kopf 2012-03-02 15:28:26 -05:00
parent 1214086f97
commit 358530e1d3
1 changed files with 54 additions and 3 deletions
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55
tools/tunslip6.c
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@ -29,7 +29,6 @@
* *
* This file is part of the uIP TCP/IP stack. * This file is part of the uIP TCP/IP stack.
* *
* $Id: tunslip6.c,v 1.6 2010/11/29 18:14:54 joxe Exp $
* *
*/ */
@ -596,6 +595,49 @@ ifconf(const char *tundev, const char *ipaddr)
ssystem("ifconfig %s inet `hostname` up", tundev); ssystem("ifconfig %s inet `hostname` up", tundev);
if (timestamp) stamptime(); if (timestamp) stamptime();
ssystem("ifconfig %s add %s", tundev, ipaddr); ssystem("ifconfig %s add %s", tundev, ipaddr);
/* radvd needs a link local address for routing */
#if 0
/* fe80::1/64 is good enough */
ssystem("ifconfig %s add fe80::1/64", tundev);
#elif 1
/* Generate a link local address a la sixxs/aiccu */
/* First a full parse, stripping off the prefix length */
{
char lladdr[40];
char c,*ptr=(char *)ipaddr;
uint16_t digit,ai,a[8],cc,scc,i;
for(ai=0;ai<8;ai++) a[ai]=0;
ai=0;cc=scc=0;
while(c=*ptr++) {
if(c=='/') break;
if(c==':') {
if(cc) scc = ai;
cc = 1;
if (++ai>7) break;
} else {
cc=0;
digit = c-'0'; if (digit > 9) digit = 10 + (c & 0xdf) - 'A';
a[ai] = (a[ai] << 4) + digit;
}
}
/* Get # elided and shift what's after to the end */
cc=8-ai;
for(i=0;i<cc;i++) {
if ((8-i-cc) <= scc) {
a[7-i] = 0;
} else {
a[7-i] = a[8-i-cc];
a[8-i-cc]=0;
}
}
sprintf(lladdr,"fe80::%x:%x:%x:%x",a[1]&0xfefd,a[2],a[3],a[7]);
if (timestamp) stamptime();
ssystem("ifconfig %s add %s/64", tundev, lladdr);
#endif /* link local */
#else #else
if (timestamp) stamptime(); if (timestamp) stamptime();
ssystem("ifconfig %s inet `hostname` %s up", tundev, ipaddr); ssystem("ifconfig %s inet `hostname` %s up", tundev, ipaddr);
@ -684,7 +726,7 @@ main(int argc, char **argv)
fprintf(stderr,"usage: %s [options] ipaddress\n", prog); fprintf(stderr,"usage: %s [options] ipaddress\n", prog);
fprintf(stderr,"example: tunslip6 -L -v2 -s ttyUSB1 aaaa::1/64\n"); fprintf(stderr,"example: tunslip6 -L -v2 -s ttyUSB1 aaaa::1/64\n");
fprintf(stderr,"Options are:\n"); fprintf(stderr,"Options are:\n");
fprintf(stderr," -B baudrate 9600,19200,38400,57600,115200 (default)\n"); fprintf(stderr," -B baudrate 9600,19200,38400,57600,115200 default),230400,460800,921600\n");
fprintf(stderr," -H Hardware CTS/RTS flow control (default disabled)\n"); fprintf(stderr," -H Hardware CTS/RTS flow control (default disabled)\n");
fprintf(stderr," -L Log output format (adds time stamps)\n"); fprintf(stderr," -L Log output format (adds time stamps)\n");
fprintf(stderr," -s siodev Serial device (default /dev/ttyUSB0)\n"); fprintf(stderr," -s siodev Serial device (default /dev/ttyUSB0)\n");
@ -733,6 +775,15 @@ exit(1);
case 115200: case 115200:
b_rate = B115200; b_rate = B115200;
break; break;
case 230400:
b_rate = B230400;
break;
case 460800:
b_rate = B460800;
break;
case 921600:
b_rate = B921600;
break;
default: default:
err(1, "unknown baudrate %d", baudrate); err(1, "unknown baudrate %d", baudrate);
break; break;