#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#ifndef?__GLIBC__
#include?
#include?
#endif
#include?
#include?
#include?

/*?This?data?structure?is?used?for?all?the?MII?ioctl‘s?*/

static?struct?ifreq?ifr;

static?int?mdio_read（int?skfd?int?location）
{
????struct?mii_ioctl_data?*mii?=?（struct?mii_ioctl_data?*）&ifr.ifr_data;
????mii->reg_num?=?location;
????if?（ioctl（skfd?SIOCGMIIREG?&ifr）?	fprintf（stderr?“SIOCGMIIREG?on?%s?failed:?%s\n“?ifr.ifr_name
		strerror（errno））;
	return?-1;
????}
????return?mii->val_out;
}

static?void?mdio_write（int?skfd?int?location?int?value）
{
????struct?mii_ioctl_data?*mii?=?（struct?mii_ioctl_data?*）&ifr.ifr_data;
????mii->reg_num?=?location;
????mii->val_in?=?value;
????if?（ioctl（skfd?SIOCSMIIREG?&ifr）?	fprintf（stderr?“SIOCSMIIREG?on?%s?failed:?%s\n“?ifr.ifr_name
		strerror（errno））;
????}
}

int?main（int?argc?char?*argv[]）
{
????int?skfd;

????if（（argc?????????printf（“%s?eth0?reg?[val]\n“?argv[0]）;

????????return?0;
????}
????if?（（skfd?=?socket（AF_INET?SOCK_DGRAM0））?	perror（“socket“）;
	exit（-1）;
????}
????strncpy（ifr.ifr_name?argv[1]?IFNAMSIZ）;
????if?（ioctl（skfd?SIOCGMIIPHY?&ifr）?	????fprintf（stderr?“SIOCGMIIPHY?on?‘%s‘?failed:?%s\n“
		????argv[1]?strerror（errno））;
	return?-1;
????}
????if（!strcasecmp（argv[2]?“dump“））{
????????int?i?=?0;

????????printf（“%s?dump:\n“?argv[1]）;
????????printf（“??????“）;
????????for（i?=?0;?i?????????????printf（“%4x?“?i）;
????????}
????????printf（“\n“）;
????????for（i?=?0;?i?????????????if（（i?%?16）?==?0）{
????????????????printf（“%04x:?“?i）;
????????????}
????????????printf（“%04x?“?mdio_read（skfd?i））;
????????????if（（i?%?16）?==?15）{
????????????????printf（“\n“）;
????????????}
????????}
????}else{
????????if?（argc?==?3）?{
????????????printf（“%03x?==>?%08x\n“?strtoul（argv[2]?NULL?0）?mdio_read（skfd?strtoul（argv[2]?NULL?0）））;
????????}?else?if（argc?==?4）?{
????????????mdio_write（skfd?strtoul（argv[2]?NULL?0）?strtoul（argv[3]?NULL?0））;
????????}
????}

????close（skfd）;

????return?0;
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

????.......???????182??2014-06-20?12:39??mdio\Makefile

????.......??????2419??2014-07-24?15:06??mdio\mdio.c

?????目錄??????????0??2015-08-04?16:22??mdio

-----------?---------??----------?-----??----

?????????????????2601????????????????????3