diff --git a/extra/unix/linux/ifreq/ifreq.factor b/extra/unix/linux/ifreq/ifreq.factor
new file mode 100644
index 0000000000..c75ee9a5e4
--- /dev/null
+++ b/extra/unix/linux/ifreq/ifreq.factor
@@ -0,0 +1,67 @@
+
+USING: kernel alien alien.c-types
+       io.sockets
+       io.sockets.impl
+       unix
+       unix.linux.sockios
+       unix.linux.if ;
+
+IN: unix.linux.ifreq
+
+: set-if-addr ( name addr -- )
+  "struct-ifreq" <c-object>
+  rot  string>char-alien        over set-struct-ifreq-ifr-ifrn
+  swap 0 <inet4> make-sockaddr  over set-struct-ifreq-ifr-ifru
+
+  AF_INET SOCK_DGRAM 0 socket SIOCSIFADDR rot ioctl drop ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+: set-if-flags ( name flags -- )
+  "struct-ifreq" <c-object>
+  rot  string>char-alien over set-struct-ifreq-ifr-ifrn
+  swap <short>		 over set-struct-ifreq-ifr-ifru
+
+  AF_INET SOCK_DGRAM 0 socket SIOCSIFFLAGS rot ioctl drop ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+: set-if-dst-addr ( name addr -- )
+  "struct-ifreq" <c-object>
+  rot  string>char-alien        over set-struct-ifreq-ifr-ifrn
+  swap 0 <inet4> make-sockaddr  over set-struct-ifreq-ifr-ifru
+
+  AF_INET SOCK_DGRAM 0 socket SIOCSIFDSTADDR rot ioctl drop ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+: set-if-brd-addr ( name addr -- )
+  "struct-ifreq" <c-object>
+  rot  string>char-alien        over set-struct-ifreq-ifr-ifrn
+  swap 0 <inet4> make-sockaddr  over set-struct-ifreq-ifr-ifru
+
+  AF_INET SOCK_DGRAM 0 socket SIOCSIFBRDADDR rot ioctl drop ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+: set-if-netmask ( name addr -- )
+  "struct-ifreq" <c-object>
+  rot  string>char-alien        over set-struct-ifreq-ifr-ifrn
+  swap 0 <inet4> make-sockaddr  over set-struct-ifreq-ifr-ifru
+
+  AF_INET SOCK_DGRAM 0 socket SIOCSIFNETMASK rot ioctl drop ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+: set-if-metric ( name metric -- )
+  "struct-ifreq" <c-object>
+  rot string>char-alien over set-struct-ifreq-ifr-ifrn
+  swap <int>		over set-struct-ifreq-ifr-ifru
+
+  AF_INET SOCK_DGRAM 0 socket SIOCSIFMETRIC rot ioctl drop ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+USING: words quotations sequences math macros ;
+
+MACRO: flags ( seq -- ) 0 swap [ execute bitor ] each 1quotation ;
\ No newline at end of file