wlan interfaces) from being automatically reloaded via devd shutdown
event handlers.
- Revert part of my previous changes to call ifn_stop on subinterfaces
when an interface is detached. It is better to destroy the interfaces
first so that an 'ifconfig foo0.blah down' doesn't result in ifconfig
auto-loading if_foo.ko. The ifconfig command will not be invoked if
foo0.blah is gone when ifn_stop() is called. Furthermore, it is not
necessary to explicitly invoke ifn_stop() after the subinterface is
destroyed as devd will already do that.
- Pass -n to ifconfig when destroying interfaces so that destroying a
cloned interface does not kldload any drivers.
Reviewed by: dougb
MFC after: 4 days
and ipv6_ifconfig_<interface> options have already been deprecated,
these changes do not alter that.
With these changes any value set for ipv6_enable will emit a
warning. In order to avoid a POLA violation for the deprecation
of the option ipv6_enable=NO will still disable configuration
for all interfaces other than lo0. ipv6_enable=YES will not have
any effect, but will emit an additional warning. Support and
warnings for this option will be removed in FreeBSD 10.x.
Consistent with the current code, in order for IPv6 to be configured
on an interface (other than lo0) an ifconfig_<interface>_ipv6
option will have to be added to /etc/rc.conf[.local].
1. Clean up and minor optimizations for the following functions:
ifconfig_up (the ipv6 elements)
ipv6if
ipv6_autoconfif
get_if_var
_ifconfig_getargs
The cleanups generally were to move the "easy" tests earlier in the
functions, and consolidate duplicate code.
2. Stop overloading ipv6_prefer with the ability to disable IPv6
configuration.
3. Remove noafif() which was only ever called from ipv6_autoconfif.
Instead, simplify and integrate the tests into that function, and
convert the test to use is_wired_interface() instead of listing
wireless interfaces explicitly.
4. Integrate backwards compatibility for ipv6_ifconfig_<interface>
into _ifconfig_getargs. This dramatically simplifies the code in
all of the callers, and avoids a lot of other code duplication.
5. In rc.d/netoptions, add code for an ipv6_privacy option to use
RFC 4193 style pseudo-random addresses (this is what windows does
by default, FYI).
6. Add support for the [NO]RTADV options in ifconfig_getargs() and
ipv6_autoconfif(). In the latter, include support for the explicit
addition of [-]accept_rtadv in ifconfig_<interface>_ipv6 as is done
in the current code.
7. In rc.d/netif add a warning if $ipv6_enable is set, and remove
the set_rcvar_obsolete for it. Also remove the latter from
rc.d/ip6addrctl.
8. In /etc/defaults/rc.conf:
Add an example for RTADV configuration.
Set ipv6_network_interfaces to AUTO.
Switch ipv6_prefer to YES. If ipv6_enable is not set this will have
no effect.
Add a default for ipv6_privacy (NO).
9. Document all of this in rc.conf.5.
The rtsol(8) handles just one RA then exit. So, the OtherConfig flag
may not be handled well by rtsol(8) in the environment where there are
multiple RA servers on the segment. In such case, rtsold(8) will be
your friend.
Reviewed by: hrs
MFC after: 2 weeks
wlan(4) interfaces. vlan(4) interfaces are listed via a new 'vlans_<IF>'
variable. If a vlan interface is a number, then that number is treated as
the vlan tag for the interface and the interface will be named '<IF>.<tag>'.
Otherwise, the vlan tag must be provided via a vlan parameter in a
'create_args_<vlan>' variable.
While I'm here, fix a few nits in rc.conf(5) and mention create_args_<IF> in
the description of cloned_interfaces.
Reviewed by: brooks
MFC after: 2 weeks
re-add $ipv6_enable support for backward compatibility. From
UPDATING:
1. To use IPv6, simply define $ifconfig_IF_ipv6 like $ifconfig_IF
for IPv4. For aliases, $ifconfig_IF_aliasN should be used.
Note that both variables need the "inet6" keyword at the head.
Do not set $ipv6_network_interfaces manually if you do not
understand what you are doing. It is not needed in most cases.
$ipv6_ifconfig_IF and $ipv6_ifconfig_IF_aliasN still work, but
they are obsolete.
2. $ipv6_enable is obsolete. Use $ipv6_prefer and/or
"inet6 accept_rtadv" keyword in ifconfig(8) instead.
If you define $ipv6_enable=YES, it means $ipv6_prefer=YES and
all configured interfaces have "inet6 accept_rtadv" in the
$ifconfig_IF_ipv6. These are for backward compatibility.
3. A new variable $ipv6_prefer has been added. If NO, IPv6
functionality of interfaces with no corresponding
$ifconfig_IF_ipv6 is disabled by using "inet6 ifdisabled" flag,
and the default address selection policy of ip6addrctl(8)
is the IPv4-preferred one (see rc.d/ip6addrctl for more details).
Note that if you want to configure IPv6 functionality on the
disabled interfaces after boot, first you need to clear the flag by
using ifconfig(8) like:
ifconfig em0 inet6 -ifdisabled
If YES, the default address selection policy is set as
IPv6-preferred.
The default value of $ipv6_prefer is NO.
4. If your system need to receive Router Advertisement messages,
define "inet6 accept_rtadv" in $ifconfig_IF_ipv6. The rc(8)
scripts automatically invoke rtsol(8) when the interface becomes
UP. The Router Advertisement messages are used for SLAAC
(State-Less Address AutoConfiguration).
- Add rc.d/stf and rc.d/faith for stf(4) and faith(4).
- Remove rc.d/auto_linklocal and rc.d/network_ipv6.
- Move rc.d/sysctl to just before FILESYSTEMS because rc.d/netif
depends on some sysctl variables.
Reviewed by: brooks
MFC after: 3 days
rtsol_interface gets reset to "yes" each time through the loop, but
rtsol_available does not. If a user has lo0 first in their list of
interfaces rtsol_available will get set to "no" the first time through
the loop and subsequent interfaces will not get rtsol'ed when they should.
Therefore change the conditional for the is_wired() test to _interface.
Noticed by: Dimitry Andric <dimitry@andric.com>
AUTO the biggest mistake users made was leaving lo0 off the list. Since
lo0 is effectively mandatory, check for it and add it to the list if
it's not there.
simplify it a bit, and make use of that method to determine if an
interface is a candidate for IPv6 rtsol rather than listing all of the
possible wireless interfaces that should _not_ get rtsol'ed.
This change is only relevant for 8.0+ unless the "wlan mandatory" code
gets ported back to RELENG_7.
AUTO are deprecated.' There is no good reason to deprecate them, and
setting this to different values can be useful for custom solutions
and/or one-off configuration problems.
the interface name of interfaces that were configured.
This change has the added benefit that ifn_start() and
ifn_stop() in network.subr no longer write to standard output.
Whether to output and what to output is now handled entirely
in rc.d/netif.
To preserve the existing behavior of etc/rc.d/netif, add code to wait
up to if_up_delay seconds (30 seconds by default) for a default route to
be configured if there are any dhcp interfaces. This should be extended
to test that the interface is actually up.
X-MFC after:
more wlans_<ifn> and create_args_<ifn>
Add documentation for these variants and generally update the wireless
device example.
There is are very short lived shim from vaps_<ifn> which produces
a warning and vap_create_<ifn> which does not. Misuse the MFC
notification service to remind me to remove them.
MFC after: 3 weeks
wpa_supplicant expects that it has exclusive access to the net80211 state so
when its starts poking in the WEP/WPA settings and the card is already
scanning it can cause net80211 to try and associate incorrectly with a
protected AP.
This is an inconvenience for firmware based cards such as iwi where it can be
sent an auth instruction with incomplete security info and cause a firmware
error.
Remove the 'ifconfig up' from network.subr since wpa_supplicant will
immediately down the interface again.
Reported by: Guy Helmer (and others)
Reviewed by: sam, brooks, avatar
MFC after: 3 days
All xxx_<ifname> flags are set to empty strings automatically earlier so
eval echo \${${prefix}${_if}${suffix}-${_default}}
not substitute the default but return just the empty string.
Fix it using
eval echo \${${prefix}${_if}${suffix}:-${_default}}
(i.e. treat empty strings as unset)
The bug manifistates itself with the following warning from checkyesno():
/etc/rc.d/dhclient: WARNING: $background_dhclient is not set properly -
see rc.conf(5)
Note: This also deprecates "NO" as a way to specify an empty list of
interfaces for gif_interfaces.
PR: conf/104884
Submitted by: nork
Harassed by: brd
Discussed with: brooks, dougb
interface is an IPv6 interface.
Use this method to decide if we should attempt to configure an interface
with an IPv6 address in pccard_ether. The mechanism pccard_ether uses
to do this is unsuited to the task because it assumes the list of
interfaces it is passed is the full list of IPv6 interfaces and makes
decissions based on that. This is at least a step in the right
direction and is probably about as much as we can MFC safely.
PR: conf/103428
MFC after: 3 days
touch interfaces that don't actually exist in the stop case. In the
process move some IPv4 specific code from ifconfig_down to ipv4_down.
This should solve problems with ifconfig: error messages on boot when
interfaces are renamed.
working on.
1) Make it possible to configure interfaces with certain characters in
their names that aren't valid in shell variables. Currently supported
characters are ".-/+". They are converted into '_' characters.
2) Replace nearly all eval statements in network.subr with a new
function get_if_var which substitues an interface name (after the
translations above) for "IF" in a variable name.
3) Fix list_net_interfaces() in the nodhcp case.
4) Allow the administrator to specify if dhclient should be started
when /etc/rc.d/netif configures the interface or only by devd.
This can be set on both a per interface and system wide basis.
PR: conf/88974 [1,2], conf/92433 [1,2]
more IPv4 address from a ranged list in CIRD notation:
ipv4_addrs_ed0="192.168.0.1/24 192.168.1.1-5/28"
In the process move alias processing into new ipv4_up/down functions to
more toward a less IPv4 centric world.
Submitted by: Philipp Wuensche <cryx dash freebsd at h3q dot com>
- If an interface's ifconfig_<ifn> is set, but empty, don't set it to
ifconfig_DEFAULT. This way interfaces can be disabled even in the
presence of ifconfig_DEFAULT.
- When listing interfaces and network_interfaces=auto, place lo0 first
if it's around.
now run on any interface.
- Add a new ifconfig_<ifn> keyword, NOAUTO which prevents configuration
of an interface at boot or via /etc/pccard_ether. This allows
/etc/rc.d/netif to be used to start and stop an interface on a purely
manual basis. The decision to affect pccard_ether may be revisited at
a later date.
Requested by: imp, gallatin (removable_interfaces)
Discussed with: sam, Randy Bush (NOAUTO)
ifconfig_DEFAULT variable. Unlike pccard_ifconfig, ifconfig_DEFAULT
applies to all interfaces that do not specify an ifconfig_<ifn>
variable rather than just those listed in removable_interfaces.
- Correct the list of interfaces when network_interfaces and
removable_interfaces are both set by including removable_interfaces
in the list of canidates.
- When listing dhcp interfaces, include those with other ifconfig
options so nat works.
Approved by: re (network interface startup blanket)
way interfaces are configured. Some key points:
- At startup, all interfaces are configured through /etc/rc.d/netif.
- ifconfig_<if> variables my now mix real ifconfig commands the with
DHCP and WPA directives. For example, this allows media
configuration prior to running dhclient.
- /etc/rc.d/dhclient is not run at startup except by netif to start
dhclient on specific interfaces.
- /etc/pccard_ether calls "/etc/rc.d/netif start <if>" to do most of
it's work.
- /etc/pccard_ether no longer takes additional arguments to pass to
ifconfig. Instead, ifconfig_<if> variables are now honored in favor
of pccard_ifconfig when available.
- /etc/pccard_ether will only run on interfaces specified in
removable_interfaces, even if pccard_ifconfig is set.
