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EthtoolÊÇÓÃÓÚ²éѯ¼°ÉèÖÃÍø¿¨²ÎÊýµÄÃüÁî¡£
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ethtool ethX      //²éѯethXÍø¿Ú»ù±¾ÉèÖÃ
ethtool –h        //ÏÔʾethtoolµÄÃüÁî°ïÖú(help)
ethtool –i ethX    //²éѯethXÍø¿ÚµÄÏà¹ØÐÅÏ¢
ethtool –d ethX    //²éѯethXÍø¿Ú×¢²áÐÔÐÅÏ¢
ethtool –r ethX    //ÖØÖÃethXÍø¿Úµ½×ÔÊÊӦģʽ
ethtool –S ethX    //²éѯethXÍø¿ÚÊÕ·¢°üͳ¼Æ
ethtool –s ethX [speed 10|100|1000]\         //ÉèÖÃÍø¿ÚËÙÂÊ10/100/1000M
[duplex half|full]\           //ÉèÖÃÍø¿Ú°ë/ȫ˫¹¤
[autoneg on|off]\            //ÉèÖÃÍø¿ÚÊÇ·ñ×ÔЭÉÌ
[port tp|aui|bnc|mii]\         //ÉèÖÃÍø¿ÚÀàÐÍ
[phyad N]\                
[xcvr internal|exteral]\
[wol p|u|m|b|a|g|s|d...]\
[sopass xx:yy:zz:aa:bb:cc]\
[msglvl N]
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1£©[root@linux /]# ethtool eth1
   Settings for eth1:
        Supported ports: [ TP ]
        Supported link modes:   10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
                                1000baseT/Full
        Supports auto-negotiation: Yes
        Advertised link modes:  10baseT/Half 10baseT/Full
            


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linux frame buffer grab

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#include <sys/time.h>
#include
<sys/types.h>
#include <unistd.h>
int select(int
nfds,fd_set *readfds,fd_set *writefds, fd_set *except fds,struct timeval
*timeout)
void FD_SET(int fd,fd_set *fdset)
void FD_CLR(int fd,fd_set
*fdset)
void F ......

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