Index for Section 9

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ifreq(9s)
NAME
  ifreq - Network: Defines an interface request for socket ioctl commands

SYNOPSIS
  ______________________________
  Member Name	       Data Type
  ______________________________
  ifr_name[IFNAMSIZ]   char
  ifr_ifru	       union
  ______________________________

MEMBERS
  ifr_name
      Specifies the name of the network interface.

  ifr_ifru
      Specifies one of the following:

	·
	A sockaddr data structure that specifies the socket address. The
	<if.h> file defines the alternate name ifr_addr to refer to this
	member.

	·
	A sockaddr data structure that specifies the other end of a point-
	to-point link. The <if.h> file defines the alternate name ifr_dstaddr
	to refer to this member.

	·
	A sockaddr data structure that specifies the broadcast address. The
	<if.h> file defines the alternate name ifr_broadaddr to refer to this
	member.

	·
	Flags that describe the state and characteristics of the network
	interface, such as up, all multicasts, promiscuous mode, and so on.
	The <if.h> file defines the alternate name ifr_flags to refer to this
	member and the bit values for this structure member.

	·
	A routing metric (not used by network device drivers). The <if.h>
	file defines the alternate name ifr_metric to refer to this member.

	·
	The address of a data buffer for use by the device driver.  The
	<if.h> file defines the ifr_data alternate name to refer to this
	member.

	·
	An integer argument value for use by the device driver. The <if.h>
	file defines the alternate name ifr_value to refer to this member.






DESCRIPTION
  The ifreq data structure defines the information specific to the
  SIOCPHYSADDR, SIOCADDMULTI, SIOCDELMULTI, SIOCSIFFLAGS, SIOCSIPMTU, and
  SIOCSMACSPEED ioctl commands.

FILES
  <net/if.h>

SEE ALSO
  Data Structures: sockaddr(9s)

Index for Section 9

Alphabetical listing for I

Top of page