CTASSERT -> __CTASSERT to unbreak userland build.

While here move __packed in tcp_debug.h back to where it was and
note removal warrants more investigation.

tcp_debug: restore __packed

Remove __packed from various network structures

They are already network aligned and adding the __packed attribute
just causes needless compiler warnings about accssing members of packed
objects.

Redefine the structure, not to rely on tcpiphdr.

Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.

Multiple inclusion protection, as suggested by christos@ on tech-kern@
few days ago.

Fix some const fallout.

Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22364, verified by myself.

do not #ifdef in headers. usr.sbin/trpt needs it.

Rename TCPDEBUG to TCP_DEBUG, defopt TCP_DEBUG and TCP_NDEBUG, and
make all usage of tcp_trace dependent on TCP_DEBUG - resulting in
a 31K saving on an INET enabled i386 kernel.

use _KERNEL_OPT

Make it possible to override TCP_NDEBUG. The default value of 100
wastes quite a bit of space (0xfa00).

sync with recent KAME.
- loosen ipsec restriction on packet diredtion.
- revise icmp6 redirect handling on IsRouter bit.
- tcp/udp notification processing (link-local address case)
- cosmetic fixes (

sync with recent KAME.
- loosen ipsec restriction on packet diredtion.
- revise icmp6 redirect handling on IsRouter bit.
- tcp/udp notification processing (link-local address case)
- cosmetic fixes (better code share across *BSD).

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defopt INET6, and put it in opt_inet.h (most places already include this
file, which is why the file list is so short).

IPv6 kernel code, based on KAME/NetBSD 1.4, SNAP kit 19990628.
(Sorry for a big commit, I can't separate this into several pieces...)
Pls check sys/netinet6/TODO and sys/netinet6/IMPLEMENTATION for d

IPv6 kernel code, based on KAME/NetBSD 1.4, SNAP kit 19990628.
(Sorry for a big commit, I can't separate this into several pieces...)
Pls check sys/netinet6/TODO and sys/netinet6/IMPLEMENTATION for details.

- sys/kern: do not assume single mbuf, accept chained mbuf on passing
data from userland to kernel (or other way round).
- "midway" ATM card: ATM PVC pseudo device support, like those done in ALTQ
package (ftp://ftp.csl.sony.co.jp/pub/kjc/).
- sys/netinet/tcp*: IPv4/v6 dual stack tcp support.
- sys/netinet/{ip6,icmp6}.h, sys/net/pfkeyv2.h: IETF document assumes those
file to be there so we patch it up.
- sys/netinet: IPsec additions are here and there.
- sys/netinet6/*: most of IPv6 code sits here.
- sys/netkey: IPsec key management code
- dev/pci/pcidevs: regen

In my understanding no code here is subject to export control so it
should be safe.

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add/cleanup multiple inclusion protection.

New RCS ID's, take two. they're more aesthecially pleasant, and use 'NetBSD'

Update to 4.4-Lite networking code, with a few local changes.

more rcsid additions and file header cleanups

Add consistent multiple-inclusion protection.

initial import of 386bsd-0.1 sources