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linux pppoe

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1.±àÒëÄںˣ¬°ÑpppµÄÄÇЩѡÏîÑ¡ÉÏ¡£ (ÎÒÓÃ2.6.8.1µÄkernel£¬cirrus µÄpatch)
2.libpcap-0.9.1 Õâ¸ö°üÊÇpppdÐèÒªµÄ¡£
./configure CC=arm-linux-gcc CFLAGS=-msoft-float --target=arm-linux --host=i686-linux --with-pcap=linux --prefix=/usr/local/arm/3.4
make; make install
3. ppp-2.4.3
./configure --target=arm-linux --enable-arm --prefix=/cirrus/usr
make CC=arm-linux-gcc; make install
Ìæ»»Makefile£¨ºÜ¶àĿ¼Ï¶¼ÓУ©ÖеÄÄÇЩinstall -s Ñ¡ÏÒòΪÕâ¸öÑ¡Ïî»áÓõ½stripÕâ¸öÃüÁµ«ÊÇhost°æ±¾²»ÄܶÔarm bin²Ù×÷£¬¶øÎÒ²»ÖªµÀÔõôarm-linux-strip£¬ÄÇλ֪µÀµÄ˵һÏ¡£
4.rp-pppoe-3.8
./configure --host=arm-linux --prefix=/cirrus
make; make install
×îÖÕÔÚ/cirrus/sbinϰ²×°ÁËpppd pppoe pppoe-setup pppoe-start pppoe-stopµÈ¡£
ÆäÖÐpppoeÊÇ¿ÉÖ´ÐÐÎļþ£¬pppoe-xxxÊǽű¾¡£
ÓÉÓÚÎÒµÄ./configureÃüÁîÓеãÎÊÌ⣬ÐèÒªÐÞ¸ÄÒ»ÏÂpppoe-setup pppoe-start pppoe-connectÖеÄÖ´Ðз¾¶¡£ÎÒ²ÂÏë¿ÉÒÔÓÃ--exec-prefixÀ´½â¾ö£¬²»¹ýÏë˯¾õÁË£¬½ñÌì²»ÏëÊÔÁË¡£
5.±ðÍüÁËÔÚ/cirrus/devÏ mknod ppp c 108 0
6.pppoe-setup °´ÕÕʵ¼ÊÇé¿öÉèÖÃÓû§ÃÜÂëDNSµÈ
7.pppoe-start
8.ping gznet.com ....................... OK
9. Èç¹ûÓÐÎÊÌ⣬±ÈÈç..........TIMEOUTµÈ´íÎ󣬿ÉÒÔ
export DEBUG=1
pppoe-start
È»ºóÔÚ/cirrus/tmp/ppp........µÄĿ¼Ï»áÓÐÒ»¸ödebugµÄÐÅÏ¢Îļþ£¬×Ðϸ¿´¿´Ê²Ã´ÎÊÌâ¡£
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×îºó£¬ËµÃ÷һϣºÄǸö/cirrusÊÇÔÚÎÒµÄlinux hostÉÏÓÃÀ´´æ·ÅÄ¿±ê°åÎļþϵͳµÄĿ¼¡£Ä¿±ê°åʹÓÃnfsÀ´mount Õâ¸öĿ¼²¢×÷Ϊrootfs¡£


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linux ÖеÃ×Ô¼ºµÄipµØÖ·´úÂë

DWORD GetLocalAddr(char* interface)
{
 struct ifreq ifr;
    int fd;
    int err;
    unsigned long ip;
    strcpy(ifr.ifr_name, interface);
    fd = socket(AF_INET, SOCK_DGRAM, 0);
    err = ioctl ......

linux½ø³Ì¿ØÖÆ£­exit£¨£©

http://blog.chinaunix.net/u1/53053/showart_425191.html
#include<stdlib.h>
void exit(int status);
²»ÏñforkÄÇôÄÑÀí½â£¬´ÓexitµÄÃû×Ö¾ÍÄÜ¿´³ö£¬Õâ¸öϵͳµ÷ÓÃÊÇÓÃÀ´ÖÕÖ¹Ò»¸ö½ø³ÌµÄ¡£ÎÞÂÛÔÚ³ÌÐòÖеÄʲôλÖã¬Ö»ÒªÖ´Ðе½exitϵͳµ÷Ó㬽ø³Ì¾Í»áֹͣʣϵÄËùÓвÙ×÷£¬Çå³ý°üÀ¨PCBÔÚÄڵĸ÷ÖÖÊý¾Ý½á¹¹£¬²¢ÖÕÖ¹±¾½ø³ ......

linux ϵͳÏÂʹÓÃC³ÌÐòʵÏÖʱÖӵĺ¯Êý

#include "stdio.h"
#include "math.h"
#include "time.h"
#define INTERVAL 1  ¶¨ÒåºêµÄʱ¼ä¼ä¸ôΪ1Ãë
//
void On_Time()  //ÿһÃ뼤·¢µÄʼþ
{
   printf("now=%s\n","JJK"); 
}
void Timer()  //ʱÖӵĺ¯Êý
{  time_t newclk,oldclk;
   while(1)
 &nb ......

linux c socket ¿ª·¢Óë±àÒëʵÀý

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ÏÂÃæ½«±àдһ¸öc/s½á¹¹µÄ³ÌÐò£¬Ö÷Òª¹¦ÄÜÊÇclient½«Ïòserver·¢Ë ......

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