CVS log for src/usr.bin/netstat/main.c

Up to [cvs.NetBSD.org] / src / usr.bin / netstat

Request diff between arbitrary revisions

Keyword substitution: kv
Default branch: MAIN

Rename local bpf_* functions to nsbpf_* to avoid conflicts with
new libpcap bpf_* functions

Make ifq_drops in struct ifqueue and struct ifaltq 64 bit.

Pull up the following, requested by msaitoh in ticket #1762:

	usr.bin/netstat/atalk.c		1.18,1.20-1.21
	usr.bin/netstat/bpf.c		1.16 via patch
	usr.bin/netstat/fast_ipsec.c	1.24 via patch
	usr.bin/netstat/if.c		1.97-1.99,1.101-1.104 via patch
	usr.bin/netstat/inet.c		1.111,1.115-1.116 via patch
	usr.bin/netstat/inet6.c		1.70,1.74-1.75,1.80-1.81 via patch
	usr.bin/netstat/main.c		1.100,1.102-1.103
	usr.bin/netstat/mbuf.c		1.34-1.35
	usr.bin/netstat/mroute.c	1.26-1.27
	usr.bin/netstat/mroute6.c	1.16
	usr.bin/netstat/netstat.h	1.52-1.53
	usr.bin/netstat/pfkey.c		1.4-1.5 via patch
	usr.bin/netstat/pfsync.c	1.4-1.5 via patch
	usr.bin/netstat/route.c		1.87-1.88
	usr.bin/netstat/unix.c		1.36-1.37
	usr.bin/netstat/vtw.c		1.11,1.13

- Add names of a few more ICMPv6 messages.
  Also make the array be explicitly 256 entries long.
- sprintf() -> snprintf(), and adjust a buffer size to avoid any
  potential for overflow.
- Add missing {IP,IP6}_STAT_NOIPSEC to netstat.
- Don't show any of the completely and utterly undocumented VTW info
  if the feature isn't enabled.
- Print oqdrops correctly.
- netstat.1: Add various xrefs present in the body to "See Also".
- Limit maximum owner name to appease gcc.
- KNF. Style fixes.

Pull up the following, requested by msaitoh in ticket #1522:

	usr.bin/netstat/atalk.c		1.18,1.20-1.21
	usr.bin/netstat/bpf.c		1.16 via patch
	usr.bin/netstat/fast_ipsec.c	1.24
	usr.bin/netstat/if.c		1.97-1.99,1.101-1.104 via patch
	usr.bin/netstat/inet.c		1.111,1.115-1.116 via patch
	usr.bin/netstat/inet6.c		1.74-1.75,1.80-1.81 via patch
	usr.bin/netstat/main.c		1.100-1.103
	usr.bin/netstat/mbuf.c		1.35
	usr.bin/netstat/mroute.c	1.26-1.27
	usr.bin/netstat/mroute6.c	1.16
	usr.bin/netstat/netstat.h	1.52-1.53
	usr.bin/netstat/pfkey.c		1.4-1.5 via patch
	usr.bin/netstat/pfsync.c	1.4-1.5 via patch
	usr.bin/netstat/route.c		1.86-1.88
	usr.bin/netstat/unix.c		1.36-1.37
	usr.bin/netstat/vtw.c		1.11,1.13

- sprintf() -> snprintf(), and adjust a buffer size to avoid any
  potential for overflow.
- Fix netstat -rs to print it correctly.
- Add missing {IP,IP6}_STAT_NOIPSEC to netstat.
- Don't show any of the completely and utterly undocumented VTW info
  if the feature isn't enabled.
- Print oqdrops correctly.
- Remove Network ATM soft intr queue reporting, we don't have that
  in the kernel anymore.
- netstat.1: Add various xrefs present in the body to "See Also".
- KNF. Style fixes.

KNF. No functional change.

KNF. No functional change.

Remove Network ATM soft intr queue reporting, we don't have that in the
kernel anymore.

Avoid common symbol definitions.

remove soft interrupt queues that don't exist anymore.

remove __P

use sysctl to print multicast addresses

Use sysctl for interface printing (-i), leave on for multicast address printing
(-ia) and comment in the code where this is missing?
XXX: should that be an ioctl or sysctl? provide getifmultiaddrs() via the
routing socket? I guess since this is just for netstat a simple sysctl or
ioctl would suffice. I lean towards sysctl.

Pull up following revision(s) (requested by prlw1 in ticket #390):
	usr.bin/netstat/mroute.c: revision 1.25
	usr.bin/netstat/Makefile: revision 1.40
	sbin/route/prog_ops.h: revision 1.3
	sbin/route/rtutil.c: revision 1.1
	sbin/route/rtutil.h: revision 1.1
	usr.bin/netstat/mroute6.c: revision 1.15
	sbin/route/extern.h: revision 1.15
	usr.bin/netstat/show.c: file removal
	usr.bin/netstat/main.c: revision 1.93
	usr.bin/netstat/route.c: revision 1.83
	usr.bin/netstat/netstat.h: revision 1.51
	distrib/utils/x_route/Makefile: revision 1.18
	sbin/route/show.c: revision 1.46
	usr.bin/netstat/if.c: revision 1.80
	sbin/route/route.c: revision 1.145
	sbin/route/Makefile: revision 1.26
Factor out the netstat route printing code and use it here. There is no
point in having 2 different copies; fixes PR/49371

PR/47704: Takahiro HAYASHI: Fix -L flag

fix A,v,T with route display.

use the common code from route.c

Fix a bug introduced in rev. 1.62; it fails to negate (a && b).

Rebase to HEAD as of a few days ago.

Rebase.

netstat(1) and ifmcstat(8): ifnet was renamed to ifnet_list, PR/48850.

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")

use the same for the route metrics part, both in the sysctl and kmem paths.
From Takahiro HAYASHI

The sysctl code does not support verbose route printing that prints the
internal route statistics. Restore the old kmem route printing code that
was not just used for post-mortem displays. Reported by kardel@, test by
netstat -nrvf inet

Update for new pcb tailq's.
While here fix ipv6 pcb printing by making tcp6_dump with tcp.
XXX: Merge the inet and the inet6 code. It is silly to need to specify
-p tcp6 to print a tcp6 pcb, we already know what it is.

Make the -f option accept multiple address families.
Bump man page date.

Pull up following revision(s) (requested by christos in ticket #1868):
	usr.bin/netstat/main.c: revision 1.86
	usr.bin/netstat/netstat.h: revision 1.47
	usr.bin/netstat/inet.c: revision 1.102
	usr.bin/netstat/inet.c: revision 1.103
	usr.bin/netstat/inet6.c: revision 1.61
	usr.bin/netstat/inet6.c: revision 1.62
Don't use -P as a kmem printer, verify that the address points to a pcb first!
Not all pointers are 64bit - use uintptr_t instead of uint64_t.

Pull up following revision(s) (requested by christos in ticket #1868):
	usr.bin/netstat/main.c: revision 1.86
	usr.bin/netstat/netstat.h: revision 1.47
	usr.bin/netstat/inet.c: revision 1.102
	usr.bin/netstat/inet.c: revision 1.103
	usr.bin/netstat/inet6.c: revision 1.61
	usr.bin/netstat/inet6.c: revision 1.62
Don't use -P as a kmem printer, verify that the address points to a pcb first!
Not all pointers are 64bit - use uintptr_t instead of uint64_t.

Pull up following revision(s) (requested by christos in ticket #1868):
	usr.bin/netstat/main.c: revision 1.86
	usr.bin/netstat/netstat.h: revision 1.47
	usr.bin/netstat/inet.c: revision 1.102
	usr.bin/netstat/inet.c: revision 1.103
	usr.bin/netstat/inet6.c: revision 1.61
	usr.bin/netstat/inet6.c: revision 1.62
Don't use -P as a kmem printer, verify that the address points to a pcb first!
Not all pointers are 64bit - use uintptr_t instead of uint64_t.

Pull up following revision(s) (requested by christos in ticket #912):
	usr.bin/netstat/main.c: revision 1.86
	usr.bin/netstat/netstat.h: revision 1.47
	usr.bin/netstat/inet.c: revision 1.102
	usr.bin/netstat/inet.c: revision 1.103
	usr.bin/netstat/inet6.c: revision 1.61
	usr.bin/netstat/inet6.c: revision 1.62
Don't use -P as a kmem printer, verify that the address points to a pcb first!
Not all pointers are 64bit - use uintptr_t instead of uint64_t.

Pull up following revision(s) (requested by christos in ticket #912):
	usr.bin/netstat/main.c: revision 1.86
	usr.bin/netstat/netstat.h: revision 1.47
	usr.bin/netstat/inet.c: revision 1.102
	usr.bin/netstat/inet.c: revision 1.103
	usr.bin/netstat/inet6.c: revision 1.61
	usr.bin/netstat/inet6.c: revision 1.62
Don't use -P as a kmem printer, verify that the address points to a pcb first!
Not all pointers are 64bit - use uintptr_t instead of uint64_t.

Pull up following revision(s) (requested by christos in ticket #912):
	usr.bin/netstat/main.c: revision 1.86
	usr.bin/netstat/netstat.h: revision 1.47
	usr.bin/netstat/inet.c: revision 1.102
	usr.bin/netstat/inet.c: revision 1.103
	usr.bin/netstat/inet6.c: revision 1.61
	usr.bin/netstat/inet6.c: revision 1.62
Don't use -P as a kmem printer, verify that the address points to a pcb first!
Not all pointers are 64bit - use uintptr_t instead of uint64_t.

resync from head

Don't use -P as a kmem printer, verify that the address points to a pcb first!

Retire OSI network stack. OK core@

resync with head

Use sysctl based code netstat -r. Remove support for post-mortem
analysis.

sync with head

remove KAME IPSEC, replaced by FAST_IPSEC

Use C89 function definitions

Use __dead

Use errx() to display kvm_openfiles error message, the provided buffer
already has it.

Always try to open kmem, do not always set use_sysctl to 1, and do not
fail if opening kmem fails unless !use_sysctl.  Fixes netstat(1) options
such as -s.

Reduces the resources demanded by TCP sessions in TIME_WAIT-state using
methods called Vestigial Time-Wait (VTW) and Maximum Segment Lifetime
Truncation (MSLT).

MSLT and VTW were contributed by Coyote Point Systems, Inc.

Even after a TCP session enters the TIME_WAIT state, its corresponding
socket and protocol control blocks (PCBs) stick around until the TCP
Maximum Segment Lifetime (MSL) expires.  On a host whose workload
necessarily creates and closes down many TCP sockets, the sockets & PCBs
for TCP sessions in TIME_WAIT state amount to many megabytes of dead
weight in RAM.

Maximum Segment Lifetimes Truncation (MSLT) assigns each TCP session to
a class based on the nearness of the peer.  Corresponding to each class
is an MSL, and a session uses the MSL of its class.  The classes are
loopback (local host equals remote host), local (local host and remote
host are on the same link/subnet), and remote (local host and remote
host communicate via one or more gateways).  Classes corresponding to
nearer peers have lower MSLs by default: 2 seconds for loopback, 10
seconds for local, 60 seconds for remote.  Loopback and local sessions
expire more quickly when MSLT is used.

Vestigial Time-Wait (VTW) replaces a TIME_WAIT session's PCB/socket
dead weight with a compact representation of the session, called a
"vestigial PCB".  VTW data structures are designed to be very fast and
memory-efficient: for fast insertion and lookup of vestigial PCBs,
the PCBs are stored in a hash table that is designed to minimize the
number of cacheline visits per lookup/insertion.  The memory both
for vestigial PCBs and for elements of the PCB hashtable come from
fixed-size pools, and linked data structures exploit this to conserve
memory by representing references with a narrow index/offset from the
start of a pool instead of a pointer.  When space for new vestigial PCBs
runs out, VTW makes room by discarding old vestigial PCBs, oldest first.
VTW cooperates with MSLT.

It may help to think of VTW as a "FIN cache" by analogy to the SYN
cache.

A 2.8-GHz Pentium 4 running a test workload that creates TIME_WAIT
sessions as fast as it can is approximately 17% idle when VTW is active
versus 0% idle when VTW is inactive.  It has 103 megabytes more free RAM
when VTW is active (approximately 64k vestigial PCBs are created) than
when it is inactive.

Add netstat rump client.  For now, it always sets -X, i.e. will
use only sysctl and no kvm (implementing /dev/mem for a rump kernel
would probably not be hard, but still a non-zero effort).

Note: since there is absolutely no network activity in a fresh rump
kernel, rump.netstat usually displays exactly nothing when invoked
without parameters.  Arguments like -r, -bi, -p icmp etc. produce
more stuff.

Add mpls into family address list

Add -T flag, that shows tags in route output

Add -h, which makes output of bytes counts "humanized" (e.g. -bih)

(netstat had -h some 15 years ago, but since then it has been just
a fancy way of calling usage())

Import pfsync support from OpenBSD 4.2

Pfsync interface exposes change in the pf(4) over a pseudo-interface, and can
be used to synchronise different pf.

This work was part of my 2009 GSoC

No objection on tech-net@

Checkin work in progress to make netstat use sysctl rather than kvm(3).

This commit mostly adds code written by Claudio Jeker for OpenBSD to
support sysctl in the interface printing parts (-i, -I, -w). The port has
been ported to NetBSD with tiny adjustments -- of course all bugs etc.
are mine.

Also add and document a -X flag to force sysctl usage. The documentation
notes this flag may be removed at any time and its presence should not be
relied on.

Some misc. comments/#ifdef changes/code snippet moves as well.

Please note that no functionality should change as the routing and
interface printing code is still not fully supported.

Mailing list reference:

    http://mail-index.netbsd.org/tech-userlevel/2009/09/09/msg002604.html

Sync with HEAD.

Third (and last) commit. See http://mail-index.netbsd.org/source-changes/2009/05/13/msg221222.html

Fix many WARNS=4 issues (-Wshadow -Wcast-qual -Wsign-compare).
Fix probable bug with numeric printing of anon ports when using sysctl.

Sync with wrstuden-revivesa-base-2.

Remove the \n and tabs from the __COPYRIGHT() strings.
Tweak to use a consistent format.

sync with head.

Make note of a few things no longer available via kvm.

netns is no longer in the tree; completely purge it from netstat(1).

Make DDP stats per-cpu.  While here, bump the counters to 64-bit and
make them available by sysctl.

PF_KEY stats for IPSEC and FAST_IPSEC are now per-CPU.

ARP and IGMP stats are now available by sysctl.

Pull up following revision(s) (requested by mlelstv in ticket #604):
	usr.bin/netstat/main.c: revision 1.64
Fall back to kvm interface for protocols that do not yet
offer a sysctl interface. Fixes PR bin/36210.

Fall back to kvm interface for protocols that do not yet
offer a sysctl interface. Fixes PR bin/36210.

PR/35056: Keiichi Shima: netstat does not compile in crunched environment

Patch applied, thanks!

Refactor code a bit so we only use kmem when we really need it.

Good intentions are still intentions. If we can't open kvm, but we still
have sysctl, it's still not enough for -P. A groveler is a groveler is
a groveler.

On a different note, this code needs a rewrite.

- Back to using kvm if we have access to it, since the sysctl stats do not
  yet support all the fields we need.
- Don't core-dump if we could not open the kvm file.

Pull up following revision(s) (requested by christos in ticket #77):
	usr.bin/netstat/main.c: revision 1.58
well, the || needed to be an && and the operand order needed to be changed.
XXX: There are still things like interface printing that need kvm.

Pull up following revision(s) (requested by christos in ticket #77):
	usr.bin/netstat/main.c: revision 1.57
Fix another && || confusion, from Kurt Schreiner, thanks!

Pull up following revision(s) (requested by christos in ticket #77):
	usr.bin/netstat/main.c: revision 1.56
Don't use || if you need &&.

Conditionalize XNS support.  No longer enabled.

well, the || needed to be an && and the operand order needed to be changed.
XXX: There are still things like interface printing that need kvm.

Fix another && || confusion, from Kurt Schreiner, thanks!

Don't use || if you need &&.

Sync with head.

another netstat fix, Kurt Schreiner. thanx!

fix logic; from Kurt Schreiner

Make netstat use sysctl when dumping routing tables/stats.
Heavily based on similar code from Claudio Jeker (at OpenBSD).

While here, fix inet/inet6 sysctl stuff commited previously to
actually work, and some other nits to make netstat more sysctl
friendly.

One step closer to losing setgid kmem on this one...

Integrate Common Address Redundancy Procotol (CARP) from OpenBSD

'pseudo-device	carp'

Thanks to: joerg@ christos@ riz@ and others who tested
Ok: core@

make bpf stats #ifndef SMALL,
fixes build of x_netstat

Request process information using sysctl(3) and not kvm(3) since bpf(4)
statistics and peers are only available using the former.

Implemented the userland part of the BPF statistics and BPF peers,
net.bpf.stats and net.bpf.peers sysctls respectively. netstat(1) now
has an additional syntax:
	netstat [-s] [-B] [-I Interface]

Only the super user can see a list of BPF peers with the following command:
# netstat -B
Active BPF peers
PID     Int     Recv     Drop     Capt     Flags  Bufsize  Comm
4941    lo0     0        0        0        I--S-  262144   tcpdump
252     ex0     19668    0        5        I-RS-  32768    dhclient

And every user can see the BPF statistics with:
$ netstat -s -B
bpf:
        19669 total packets received
        5 total packets captured
        0 total packets dropped

This idea came from FreeBSD (Christian S.J. Peron) but, currently, they
doen't have a userland utility in the base system to read the sysctls.

Reviewed by: christos@

Add (unsigned char) cast to ctype functions

IPv4 PIM support, from the submission of Pavlin Radoslavov on tech-net@

Pull up revision 1.46 (requested by jonathan in ticket #647):
Fix two stupid bugs I introduced with stats for  fast-ipsec:
1. Pass the caller-supplied protocol name down through ipsec_switch().
2. Remove my poor attempt to print fast-ipsec stats automagically for
`netstat -s'.  The previous code would print (fast)IPsec per-protocol
stats even for 'netstat', which is just wrong.
A better fix would be to enumerate the sub-"protocols" under IPsec;
but first lets fix the broken behaviour now, for a pullup to 2.0.

Pull up revision 1.45 (requested by jonathan in ticket #647):
Temporary hack to fix ipsec stats lossage. Atatat, are you listening?

Fix two stupid bugs I introduced with stats for  fast-ipsec:

1. Pass the caller-supplied protocol name down through ipsec_switch().

2. Remove my poor attempt to print fast-ipsec stats automagically for
`netstat -s'.  The previous code would print (fast)IPsec per-protocol
stats even for 'netstat', which is just wrong.

A better fix would be to enumerate the sub-"protocols" under IPsec;
but first lets fix the broken behaviour now, for a pullup to 2.0.

Temporary hack to fix ipsec stats lossage. Atatat, are you listening?

Pull up revision 1.44 (requested by jonathan in ticket #280):
Redo net.inet.* sysctl subtree for fast-ipsec from scratch.
Attach FAST-IPSEC statistics with 64-bit counters to new sysctl MIB.
Rework netstat to show FAST_IPSEC statistics, via sysctl,  for
netstat -p ipsec.
New kernel files:
	sys/netipsec/Makefile		(new file; install *_var.h includes)
	sys/netipsec/ipsec_var.h	(new 64-bit mib counter struct)
Changed kernel files:
	sys/Makefile			(recurse into sys/netipsec/)
	sys/netinet/in.h		(fake IP_PROTO name for fast_ipsec
					sysctl subtree.)
	sys/netipsec/ipsec.h		(minimal userspace inclusion)
	sys/netipsec/ipsec_osdep.h	(minimal userspace inclusion)
	sys/netipsec/ipsec_netbsd.c	(redo sysctl subtree from scratch)
	sys/netipsec/key*.c		(fix broken net.key subtree)
	sys/netipsec/ah_var.h		(increase all counters to 64 bits)
	sys/netipsec/esp_var.h		(increase all counters to 64 bits)
	sys/netipsec/ipip_var.h		(increase all counters to 64 bits)
	sys/netipsec/ipcomp_var.h	(increase all counters to 64 bits)
	sys/netipsec/ipsec.c		(add #include netipsec/ipsec_var.h)
	sys/netipsec/ipsec_mbuf.c	(add #include netipsec/ipsec_var.h)
	sys/netipsec/ipsec_output.c	(add #include netipsec/ipsec_var.h)
	sys/netinet/raw_ip.c		(add #include netipsec/ipsec_var.h)
	sys/netinet/tcp_input.c		(add #include netipsec/ipsec_var.h)
	sys/netinet/udp_usrreq.c	(add #include netipsec/ipsec_var.h)
Changes to usr.bin/netstat to print the new fast-ipsec sysctl tree
for "netstat -s -p ipsec":
New file:
	usr.bin/netstat/fast_ipsec.c	(print fast-ipsec counters)
Changed files:
	usr.bin/netstat/Makefile	(add fast_ipsec.c)
	usr.bin/netstat/netstat.h	(declarations for fast_ipsec.c)
	usr.bin/netstat/main.c		(call KAME-vs-fast-ipsec dispatcher)

Redo net.inet.* sysctl subtree for fast-ipsec from scratch.
Attach FAST-IPSEC statistics with 64-bit counters to new sysctl MIB.
Rework netstat to show FAST_IPSEC statistics, via sysctl,  for
netstat -p ipsec.

New kernel files:
	sys/netipsec/Makefile		(new file; install *_var.h includes)
	sys/netipsec/ipsec_var.h	(new 64-bit mib counter struct)

Changed kernel files:
	sys/Makefile			(recurse into sys/netipsec/)
	sys/netinet/in.h		(fake IP_PROTO name for fast_ipsec
					sysctl subtree.)
	sys/netipsec/ipsec.h		(minimal userspace inclusion)
	sys/netipsec/ipsec_osdep.h	(minimal userspace inclusion)
	sys/netipsec/ipsec_netbsd.c	(redo sysctl subtree from scratch)
	sys/netipsec/key*.c		(fix broken net.key subtree)

	sys/netipsec/ah_var.h		(increase all counters to 64 bits)
	sys/netipsec/esp_var.h		(increase all counters to 64 bits)
	sys/netipsec/ipip_var.h		(increase all counters to 64 bits)
	sys/netipsec/ipcomp_var.h	(increase all counters to 64 bits)

	sys/netipsec/ipsec.c		(add #include netipsec/ipsec_var.h)
	sys/netipsec/ipsec_mbuf.c	(add #include netipsec/ipsec_var.h)
	sys/netipsec/ipsec_output.c	(add #include netipsec/ipsec_var.h)

	sys/netinet/raw_ip.c		(add #include netipsec/ipsec_var.h)
	sys/netinet/tcp_input.c		(add #include netipsec/ipsec_var.h)
	sys/netinet/udp_usrreq.c	(add #include netipsec/ipsec_var.h)

Changes to usr.bin/netstat to print the new fast-ipsec sysctl tree
for "netstat -s -p ipsec":

New file:
	usr.bin/netstat/fast_ipsec.c	(print fast-ipsec counters)

Changed files:
	usr.bin/netstat/Makefile	(add fast_ipsec.c)
	usr.bin/netstat/netstat.h	(declarations for fast_ipsec.c)
	usr.bin/netstat/main.c		(call KAME-vs-fast-ipsec dispatcher)

synchronize w/ inpcb/in6pcb change

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

Patches provided by Joel Baker in PR 22365, verified by myself.

clear errno before strto(u)l() if we're going to test it for ERANGE afterwards

Add MBUFTRACE kernel option.
Do a little mbuf rework while here.  Change all uses of MGET*(*, M_WAIT, *)
to m_get*(M_WAIT, *).  These are not performance critical and making them
call m_get saves considerable space.  Add m_clget analogue of MCLGET and
make corresponding change for M_WAIT uses.
Modify netinet, gem, fxp, tulip, nfs to support MBUFTRACE.
Begin to change netstat to use sysctl.

Update for callout changes, and show TCP timers in relative, rather
than absolute ticks.

Add more software intrq.

Introduce -q flag to print some information (like number of packets dropped
due to queue full) about software interrupt queues such as ipintrq.

Sync SYNOPSIS and usage() with reality.

err/errx/warn/warnx do not need \n at the end

print rip6stat.  sync with kame

add `-s' that prints port numbers symbolically but addresses numerically

convert to use getprogname()

Pullup 1.31 by patch [itojun]:
more fix to "pfkey printed twice" problem.  PR 11323 from ura.

more fix to "pfkey printed twice" problem.  PR 11323 from ura.

pullup 1.29 -> 1.30 (approved by releng-1-5)
don't print pfkey statistics twice.  from uep

don't print pfkey statistics twice.  from uep

Add kernel counters for arp events, displayable with netstat -s -f arp

more stats.  from kame

Don't declare 'extern opt*' getopt variables.

revise IPsec, pfkey, IPv6 multicast and IPv6 statistics.  (sync with kame)

Pull up to last week's -current.

per-interface statistics.
bring in and enable KAME scopeid hack.
lots of cleanups.
(sync with latest KAME)

Add -L option. netstat -r -L behaves like 4.3BSD netstat -r, that is, it
does not show route table entries pointing to link level addresses (ARP
entries or IPv6 neighbour discovery entries).

make netstat IPv6-ready.

There is no -h flag. From OpenBSD.

fix PR7057: division by zero if no mbufs allocated
fix PR7059 (partial): mbuf cluster counts were based on counters which
are no longer maintained.
(full fix will involve renaming the now-unused fields in mclstat in mbuf.h)

fix dumping of pcbs

pull up rev 1.18 from trunk (mrg)

Added a verbose flag for route display that will show
the various route metrics.

#ifndef SMALL changes.  saves 30k on the sparc

use AF_LOCAL instead of AF_UNIX. support -f local as synonym for -f unix

- KNF
- use err(3)
- sprintf/strcpy -> snprintf/strncpy
- change route.c:domask() to take a size_t of the buffer passed.

- change setgid kmem programs (that lend themselves to this) so setegid(getgid())
  and the top, and then set the effective gid back to kmem around the call to
  kvm_openfiles().  this reduces the time group kmem is available.
- for those above that also allow this, setgid(getgid()) after the call to
  kvm_openfiles() to fully revoke priviledges.
- some KNF
- use err(3) over fprintf(3) in some places

Add an option to dump the contents of a PCB at the specified address, and
implement this for TCP.

Add support for a '-b' option to provide byte counts in and out,
instead of just packet counts.  On the byte screens, errors and
collisions are not shown, since they are more packet count related.

fix up .Nm usage, getopt returns -1 not EOF

- netatalk additions
- printf format fixes
- minor prototype cleanups

Add compiled-in MCLBYTES and MSIZE to conf/param.c, as 'mclbytes" and "msize".

Add code to netstat to use libkvm to for kernel variables "mclbytes"
and "msize', and if found, use those for netstat -m rather than
compiled-in defaults.

Update for the changes to struct ifnet.  While I'm here, fix a couple
of long-standing bugs:

	- Actually deal with the fact that the kernel ifnet list is
	  a TAILQ; it just happened to work before.

	- Use kvm_openfiles() instead of kvm_open().  The code passed
	  arguments to kvm_open() as if it were kvm_openfiles(), but
	  apparently went unnoticed since the prototypes are the same.
	  Amusing bit: there were XXX's in the code which seemed to
	  apologize for a verbose libkvm, when it happened to be a
	  bug in netstat!

New-style RCS ids.

Update to match kernel changes.

Import original 4.4-Lite version.

Clean up import.

kill lots of off_t's.

Incorporate changes for IP mcast and IGMP from cmaeda@cs.washington.edu.

fix from James Jegers <jimj@miller.cs.uwm.edu>.  Netstat -w didn't work
(and would seg fault, too).  solution: tell getopt to expect an argument,
and set the appropriate flags when -w is given.

Add RCS identifiers.

after 0.2.2 "stable" patches applied