Back out rev. 1.129 because it breaks the practice of auto-loading
hardware drivers. Unlike pseudo-device drivers, which just attach
to the cloning framework and wait for "ifconfig create", h/w driv

Back out rev. 1.129 because it breaks the practice of auto-loading
hardware drivers. Unlike pseudo-device drivers, which just attach
to the cloning framework and wait for "ifconfig create", h/w drivers
create interfaces for installed cards as soon as loaded. The issue
of devd(8) involuntarily reloading modules should be dealt with in a
different way.

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Attempt to load the kernel module only if we are going to create a
new interface. In other cases loading the module is unwanted and
can lead to ill side effects. One such effect found is as follows

Attempt to load the kernel module only if we are going to create a
new interface. In other cases loading the module is unwanted and
can lead to ill side effects. One such effect found is as follows:
"kldunload if_foo" tells the module to kill all its interfaces,
which results in messages sent to devd; the module unloads. Then
devd starts processing the messages, which ends up in a etc script
running ifconfig fooX, which reloads the module.

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o consistently check strlcpy result
o warn when we skip an interface because it's name is too long

correct type to silence const complaint

unbreak create operation, must copy argument to global name

Spotted by: des

use getifaddrs from libc instead of private code

Reviewed by: bms
MFC after: 1 month

Fix an off-by-one which could mean writing beyond the end of the array
when copying the interface name.
This code part should probably be rewritten.

In setifcap() only set/unset those capabilities the interface actually
supports.

Fix octal representation of TSO4 and TSO6 bits in interface capabilities
description.

Make TSO (TCP segmentation offload) capabilities visible and accessible with
'ifconfig em0 tso' and 'ifconfig em0 -tso'. TSO for IPv4 and IPv6 is always
enabled or disabled together. The driver may

Make TSO (TCP segmentation offload) capabilities visible and accessible with
'ifconfig em0 tso' and 'ifconfig em0 -tso'. TSO for IPv4 and IPv6 is always
enabled or disabled together. The driver may enable only one if it doesn't
support both.

Document 'tso' and '-tso' in the ifconfig(8) man pages.

Sponsored by: TCP/IP Optimization Fundraise 2005

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o replace special handling of clone operations by a clone callback
mechanism
o change vlan cloning to use callback and pass all vlan parameters
on create using the new SIOCREATE2 ioctl
o update v

o replace special handling of clone operations by a clone callback
mechanism
o change vlan cloning to use callback and pass all vlan parameters
on create using the new SIOCREATE2 ioctl
o update vlan set logic to match existing practice

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There is no IFF_POLLING flag anymore.

Recognize new VLAN_HWCSUM flag.

Do address assignment/removal operations after callbacks.

Presently, ifconfig callbacks are used for L2 configuration, media
and vlan, so actions associated with address assignment, like sending
out

Do address assignment/removal operations after callbacks.

Presently, ifconfig callbacks are used for L2 configuration, media
and vlan, so actions associated with address assignment, like sending
out a gratuitous ARP, should go when L2 is running already.

This also should fix the problem with setting up vlan interfaces
from rc.conf, when both IP and vlan+vlandev parameters are passed
to ifconfig at once.

Future work: Consider introducing several ifconfig callback lists
to invoke callbacks orderly.

MFC after: 1 week

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For the sake of consistency and easier typing,
introduce "-tunnel" as an alias for "deletetunnel".
The latter is overly long and prone to typos, but
keep it for POLA since it costs nothing.

MFC aft

For the sake of consistency and easier typing,
introduce "-tunnel" as an alias for "deletetunnel".
The latter is overly long and prone to typos, but
keep it for POLA since it costs nothing.

MFC after: 5 days

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Add a new flag '-k' to ifconfig(8), indicating that it is alright to
print potentially sensitive keying material to stdout. With the new
802.11 support, ifconfig(8) is now capable of printing 802.11

Add a new flag '-k' to ifconfig(8), indicating that it is alright to
print potentially sensitive keying material to stdout. With the new
802.11 support, ifconfig(8) is now capable of printing 802.11 keys,
and did by default for the root user, which is undesirable in some
environments. Now it will not print keying material unless requested
(and available to the user).

MFC after: 1 week

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Add symbolic names for the IFF_PPROMISC and IFF_NEEDSGIANT flags
so that ifconfig(8) can print them.

MFC after: 5 days

guard against bogus address data

Submitted by: Bakul Shah

ISO C does not allow unnamed union members.

Fix typo in comment.

Fix special status reporting. Prior to the reorg there was
special-purpose code to display status for an interface for
state that was not address-oriented. This status reporting
was merged in to the

Fix special status reporting. Prior to the reorg there was
special-purpose code to display status for an interface for
state that was not address-oriented. This status reporting
was merged in to the address-oriented status reporting but
did not work for link address reporting (as discovered with
fwip interfaces). Correct this mis-merge and eliminate the
bogus kludge that was used for link-level address reporting.

o add an af_other_status method for an address family for
reporting status of things like media, vlan, etc.
o call the af_other_status methods after reporting address
status for an interface
o special-case link address status; when reporting all
status for an interface invoke it specially prior to
reporting af_other_status methods (since it requires the
sockaddr_dl that is passed in to status separately from
the rtmsg address state)
o correct the calling convention for link address status;
don't cast types, construct the proper parameter

This fixes ifconfig on fwip interfaces.

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add a callback mechanism for code that wants to defer committing changes
until all the command line args have been processed

Reviewed by: ambrisko

Overhaul to cleanup some of the tangled logic that's grown over the years.

o break per-address family support out into separate files
o modularize per-address family and functional operations using

Overhaul to cleanup some of the tangled logic that's grown over the years.

o break per-address family support out into separate files
o modularize per-address family and functional operations using
a registration mechanism; this permits configuration according
to which files you include (but beware that order of the files
is important to insure backwards compatibility)
o many cleanups to eliminate incestuous behaviour, global variables,
and poor coding practices (still much more to fix)

The original motivation of this work was to support dynamic addition
of functionality based on the interface so we can eliminate the various
little control programs and so that vendors can distribute ifconfig
plugins that support their in-kernel code. That work is still to be
completed.

o Update 802.11 support for all the new net80211 functionality; some
of these operations (e.g. list *) may be better suited in a different
program

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Use a spare byte in struct if_data to store the structure size without
increasing it. Add code to ifconfig to use this size to find the
sockaddr_dl after the struct if_data in the routing message.

Use a spare byte in struct if_data to store the structure size without
increasing it. Add code to ifconfig to use this size to find the
sockaddr_dl after the struct if_data in the routing message. This
allows struct if_data to grow (up to 255 bytes) without breaking
ifconfig.

Submitted by: peter

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Fix long standing mediaopt setting bugs seen on sparc64. Though
the bug exists in little-endian machine, it was not triggered due
to the difference of memory ordering between little/big endian
machin

Fix long standing mediaopt setting bugs seen on sparc64. Though
the bug exists in little-endian machine, it was not triggered due
to the difference of memory ordering between little/big endian
machines. Instead of relying on possibly modified value during
function invokcations, use saved copy of ifr.ifr_addr.sa_family.
Also add a comment at the top of ifconfig.c clarifying the issue
so the bug won't re-appear.

Approved by: jake
Reviewed by: yar

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