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History log of /src/sbin/ifconfig/af_inet6.c
RevisionDateAuthorComments
 1.39  16-Aug-2019  msaitoh Whitespace fix.
 1.38  01-Oct-2016  roy branches: 1.38.14;
Modernise the output for the address to address/prefix instead
of differring outputs for INET and INET6.
The hex string of the INET netmask was particulary hard to read.
 1.37  30-Sep-2016  roy ifaddrs has more data than just the address.
Use it instead of making pointless ioctl calls.
 1.36  13-Sep-2016  christos print address flag bits using snprintb
 1.35  29-Feb-2016  riastradh branches: 1.35.2;
Consistently use estrlcpy for ifr.ifr_name here, not strncpy.
 1.34  07-Jan-2016  roy -W seconds will wait for the detached flag to clear on addresses on
interfaces marked up to allow time for the carrier to appear on the
interface.

This does not extend the -w option duration.
 1.33  12-May-2015  roy ioctl -> prog_ioctl as pointed out by pooka@
 1.32  22-Apr-2015  roy Move the INET6 specific code for wait_dad_exec() into af_inet6
by using a new afswtch hook af_addr_tentative.
 1.31  20-Jan-2015  roy Display the IPv6 address flags autoconf and temporary
 1.30  20-Oct-2014  roy Remove the ability for userland to toggle IN6_IFF_TENTATIVE.
Preserve IN6_IFF_TENTATIVE when updating address flags.
 1.29  19-Oct-2013  christos branches: 1.29.4;
use symbolic flags
 1.28  19-Oct-2013  christos use the new scopeid functions
 1.27  13-Dec-2010  pooka branches: 1.27.6; 1.27.12;
Convert from the .ifdef RUMP_ACTION stuff to RUMPPRG.
 1.26  22-Jan-2010  dyoung Compare a pointer with NULL instead of testing its "truth."
 1.25  11-Sep-2009  dyoung Make ifconfig(8) set and display preference numbers for IPv6
addresses. Make the kernel support SIOC[SG]IFADDRPREF for IPv6
interface addresses.

In in6ifa_ifpforlinklocal(), consult preference numbers before
making an otherwise arbitrary choice of in6_ifaddr. Otherwise,
preference numbers are *not* consulted by the kernel, but that will
be rather easy for somebody with a little bit of free time to fix.

Please note that setting the preference number for a link-local
IPv6 address does not work right, yet, but that ought to be fixed
soon.

In support of the changes above,

1 Add a method to struct domain for "externalizing" a sockaddr, and
provide an implementation for IPv6. Expect more work in this area: it
may be more proper to say that the IPv6 implementation "internalizes"
a sockaddr. Add sockaddr_externalize().

2 Add a subroutine, sofamily(), that returns a struct socket's address
family or AF_UNSPEC.

3 Make a lot of IPv4-specific code generic, and move it from
sys/netinet/ to sys/net/ for re-use by IPv6 parts of the kernel and
ifconfig(8).
 1.24  07-Aug-2009  dyoung Add option -N. -N is just the opposite of option -n in netstat(8)
or route(8): it tells ifconfig(8) to try to resolve numbers to
hosts and service names.

This default ifconfig behavior stays the same as it always was.
 1.23  15-Jul-2008  dyoung Only describe flags -L and -m in the usage if they are available.
That helps me get rid of some conditional compilation (INET6) in
ifconfig.

Let each protocol/feature-module print its own usage, so that the
ifconfig usage reflects the modules that are actually compiled-in.

Write usage information for carp(4) options.
 1.22  02-Jul-2008  dyoung Let us add/remove features from ifconfig, such as support for
various address families (inet, inet6, iso, atalk) and protocols
(802.11, 802.3ad, CARP), simply by trimming the list of sources in
the Makefile. This helps one customize ifconfig for an embedded
device or for install media, and it eliminates a lot of grotty
#ifdef'age. Now, the ifconfig syntax and semantics are finalized
at run-time using the constructor routines in each address-family/protocol
module.

(In principle, ifconfig could load virtually all of its syntax from
shared objects.)

Extract a lot of common code into subroutines, in order to shrink
the ifconfig binary a bit. Make all of the address families share
code for address addition/replacement/removal, and delete "legacy"
code for manipulating addresses. That may have broken atalk and
iso, despite my best efforts.

Extract an include file, Makefile.inc, containing the make-fu that
both ifconfig and x_ifconfig share.

Sprinkle static. Change some int's to bool's. Constify.

Add RCS Ids to carp.c and env.c. Move media code to a new file,
media.c. Delete several unneeded header files.

Set, reset, and display the IEEE 802.11 attribute, 'dot11RTSThreshold'.

Bug fix: do not require both a interface address and a destination
address for point-to-point interfaces, but accept a interface
address by itself.
 1.21  12-May-2008  dyoung Retire in6_addreq and in6_ridreq, which we do not use in the
commit_address() regime.
 1.20  12-May-2008  dyoung Initialize IPv6 addresses and ifreqs with more rigor. Fixes this
bug reported by Matthias Scheler,

# ifconfig sip0 inet6 fdb4:542d:dc11:ec20::1
ifconfig: SIOCAIFADDR_IN6: Invalid argument
# ifconfig sip0 inet6 fdb4:542d:dc11:ec20::1 prefixlen 64
 1.19  11-May-2008  dyoung Get rid of sec2str() altogether.
 1.18  11-May-2008  dyoung In in6_alias(), instead of repeating the memset()/estrlcpy()/sockaddr_in6
assignment-dance, copy creq to ifr6 before each ioctl().
 1.17  11-May-2008  dyoung Delete unused array sin6tab[]. Delete unnecessary casts.
 1.16  11-May-2008  dyoung Delete dead code in sec2str().
 1.15  11-May-2008  dyoung Retire some code that in6_commit_address() replaces.
 1.14  11-May-2008  dyoung Let the address family modules zero initialize their own ifreqs,
instead of zeroing them in commit_address().

Switch to in6_commit_address() from in6_getprefix() and in6_getaddr().

Temporarily add some debugging code to setia6eui64_impl().
 1.13  08-May-2008  dyoung Move IPv4/IPv6-specific code from commit_address() to in_commit_address()
and in6_commit_address(). Fixes the USE_INET6=no build.
 1.12  07-May-2008  dyoung Move IPv6 syntax to af_inet6.c from ifconfig.c. Move IFKW() macro
from ifconfig.c to parse.h for reuse.
 1.11  07-May-2008  dyoung Fix a bug that I introduced in rev 1.88, where the default IPv6
prefix length changed from 64 to 128. While I am here, allow an
address to be given with prefix length /0, but interpret it as
/128.
 1.10  06-May-2008  dyoung branches: 1.10.2;
Use prop_dictionary_util(3).
 1.9  06-May-2008  dyoung Rename in_addr_commit() to commit_address(), and refactor slightly
to support IPv6 as well as IPv4 (a work in progress).

Make the second argument of af_status() a bool instead of an int.

Exit early with an error if the operator specifies an unsupported
address family on the command line. The change should help rc
scripts to detect that IPv6 support is missing from the kernel,
with 'ifconfig lo0 inet6'.

Start using prop_dictionary_util(3).
 1.8  06-May-2008  dyoung Overhaul ifconfig. Use fewer global variables. Take a leap toward
improved modularity and extensibility.

In the new architecture, a directed graph of argument-matching
objects (match objects) expresses the set of feasible ifconfig
statements. Match objects are labelled by subroutines that provide
the statement semantics.

Many IPv4, IPv6, 802.11, tunnel, and media configurations have been
tested.

AppleTalk, ISO, carp(4), agr(4), and vlan(4) configuration need
testing.
 1.7  24-Apr-2008  dyoung Don't cast memset(3) to void. Remove a needless cast to struct
in6_addr *.
 1.6  15-Apr-2008  dyoung branches: 1.6.2;
Use static initializers to setup ISO and IPv6 addresses, instead
of calling protocol family-specific routines from main().
 1.5  26-Aug-2006  christos branches: 1.5.16; 1.5.18;
Programs that use efun.
 1.4  16-Jun-2006  elad fix incorrect usage of strncpy() to (an internal implementation of)
estrlcpy().

okay christos
 1.3  14-Jun-2006  tron Adapt ifconfig(8) to new return value from socket(2). This stops
ifconfig(8) from printing errors like "ifconfig: socket: Address
family not supported by protocol family" when examining the status
of a network interface.
 1.2  20-Mar-2005  thorpej Remove an #ifdef that is no longer necessary.
 1.1  20-Mar-2005  thorpej Split IPv6 support out into its own file.
 1.5.18.2  28-Sep-2008  mjf Sync with HEAD.
 1.5.18.1  02-Jun-2008  mjf Sync with HEAD.
 1.5.16.1  22-Feb-2008  keiichi imported Mobile IPv6 code developed by the SHISA project
(http://www.mobileip.jp/).
 1.6.2.1  18-May-2008  yamt sync with head.
 1.10.2.2  18-Sep-2008  wrstuden Sync with wrstuden-revivesa-base-2.
 1.10.2.1  23-Jun-2008  wrstuden Sync w/ -current. 34 merge conflicts to follow.
 1.27.12.1  20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.27.6.1  22-May-2014  yamt sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs. ("Protocol error: too many arguments")
 1.29.4.2  23-Jan-2015  martin Pull up following revision(s) (requested by pettai in ticket #442):
sbin/ifconfig/af_inet6.c: revision 1.31
Display the IPv6 address flags autoconf and temporary
 1.29.4.1  27-Oct-2014  martin Pull up following revision(s) (requested by roy in ticket #160):
sbin/ifconfig/af_inet6.c: revision 1.30
sbin/ifconfig/ifconfig.8: revision 1.109
sys/netinet6/in6.c: revision 1.177
Remove the ability for userland to toggle IN6_IFF_TENTATIVE.
Preserve IN6_IFF_TENTATIVE when updating address flags.
 1.35.2.1  04-Nov-2016  pgoyette Sync with HEAD
 1.38.14.1  13-Apr-2020  martin Mostly merge changes from HEAD upto 20200411

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