tunable for ipf cache disable

refs #4385

(cherry picked from commit 20fe6b5b2dec15d6bcd8a5bb3d1d6580e400d9fa)

8164 ipf: bad preprocessor use and need FALLTHROUGH
Reviewed by: Jason King <jason.brian.king+illumos@gmail.com>
Reviewed by: Robert Mustacchi <rm@joyent.com>
Reviewed by: Alexander Pyhalov <apyhalov

8164 ipf: bad preprocessor use and need FALLTHROUGH
Reviewed by: Jason King <jason.brian.king+illumos@gmail.com>
Reviewed by: Robert Mustacchi <rm@joyent.com>
Reviewed by: Alexander Pyhalov <apyhalov@gmail.com>
Approved by: Hans Rosenfeld <hans.rosenfeld@joyent.com>

(cherry picked from commit ea0fc911b38005d4a49a679e0828f1800c35b979)

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5198 Want alternate global zone rule set for each ipf netstack
5197 Global zone should be able to manage NGZ ipf state
Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Reviewed by: Robert Mustac

5198 Want alternate global zone rule set for each ipf netstack
5197 Global zone should be able to manage NGZ ipf state
Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Reviewed by: Robert Mustacchi <rm@joyent.com>
Reviewed by: Dan McDonald <danmcd@omniti.com>
Reviewed by: Darren Reed <darrenr@fastmail.net>
Approved by: Richard Lowe <richlowe@richlowe.net>

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6912962 Need to compute chksum for packet duped on loopback interface
6929403 IPF should discard packet silently on OOW event

6918206 Packets double counted on with "call now" rules
6918859 pools should track bytes as well as packets for better usability
6921174 ippool -ld crashes if nodes are inserted with ioctl and policy

6918206 Packets double counted on with "call now" rules
6918859 pools should track bytes as well as packets for better usability
6921174 ippool -ld crashes if nodes are inserted with ioctl and policy rules are not in place

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6772643 Packets dropped at ipfil_sendpkt if interface index is set at plumb time
6891782 ipftest fails to run
6897532 Race condition window arround fr_enable_active is still opened
6897632 nic_event_

6772643 Packets dropped at ipfil_sendpkt if interface index is set at plumb time
6891782 ipftest fails to run
6897532 Race condition window arround fr_enable_active is still opened
6897632 nic_event_v* hook should check if IPF is running before it will proceed further

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6857600 ipfilter parser chokes on short IPv6 fragments

6859479 IPF dup-to prevents packets to be forwarded to destination

6859313 large number of rules in ipfilter decreases throughput performance

6688940 ipf module panicked in get_unit() on NULL pointer
6806909 panic[cpu1]/thread=c9089dc0: assertion failed: zoneid != ALL_ZONES, file: ../../common/inet/ip/ip.c
6770007 certain IPv6 NAT rules se

6688940 ipf module panicked in get_unit() on NULL pointer
6806909 panic[cpu1]/thread=c9089dc0: assertion failed: zoneid != ALL_ZONES, file: ../../common/inet/ip/ip.c
6770007 certain IPv6 NAT rules send out packets with link-local address
6744109 incorrect processing of IPv6 fragments in IPfilter NAT v6
6807986 fin_flen serves no purpose.
6808921 some comments describing what cvwaitlock_t would be nice
6829227 ipfil_sendpkt() may trigger panic
6813307 memory leaks at frrequest

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6747420 ipfilter fr_send_reset()/fr_send_icmp() does not work for loopback clients

6681520 panic in frpr_icmp() when trying to access dblk previously freed in fr_coalesce()

5008943 /etc/init.d/ipfboot pause/resume functionality broken
5010756 "\" in configuration file does not work correctly
6181489 ipfilter sends out confusing messages.
6449288 Makefiles in usr/src/cmd

5008943 /etc/init.d/ipfboot pause/resume functionality broken
5010756 "\" in configuration file does not work correctly
6181489 ipfilter sends out confusing messages.
6449288 Makefiles in usr/src/cmd/ipf are missing CDDL
6449291 package prototype files in usr/src/pkgdefs/SUNWipfh missing CDDL
6508325 stale pfil-related rules in Makefile.rules
6661948 ipmon.pid file can be rendered invisible
6714319 IPFilter causes failure of IPv6 compliance tests.
6766614 fin_state costs more than it is worth
6767239 fin_nat causes more trouble than it is worth
6788299 Array overrun in ipfilter
6789766 ipfs usage output is misleading
6792026 ipnat panics in Divide zero exception

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6677460 ipfilter automatic flushing of state table entries needs to work the same as it does for NAT
6566976 state limit check works when limit is reached only
6566982 state limit is not check when i

6677460 ipfilter automatic flushing of state table entries needs to work the same as it does for NAT
6566976 state limit check works when limit is reached only
6566982 state limit is not check when inserting states via IOCTL

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6748749 IPF: deletes NAT entry too early - packets sent by return-rst rule are sent untranslated
6752593 IPfilter: nat_touched and is_touched are no longer used, so they can be removed from header f

6748749 IPF: deletes NAT entry too early - packets sent by return-rst rule are sent untranslated
6752593 IPfilter: nat_touched and is_touched are no longer used, so they can be removed from header file(s)

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6743637 ipfstat prints certain certain counters two times
6744095 fix c-style in ip_state.c in fr_matchstate() et. al.
6744100 add a comment for CR 6653172 to fil.c
6725139 OOW problem still present

6743637 ipfstat prints certain certain counters two times
6744095 fix c-style in ip_state.c in fr_matchstate() et. al.
6744100 add a comment for CR 6653172 to fil.c
6725139 OOW problem still present after a patch 127888-09 has been applied
6657378 IPF address pools does not match addresses reliably for IPv6
6726717 IPF persistent tunables still don't work with stack instances
6743002 ipf_property_update() is too picky
6731974 incorrect calculation in fr_pullup
6749974 IPF does not know whether packet comes from local client (loopback) or from NIC interface

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6744741 IPfilter: fr_movequeue() should be made more efficient to improve performance

PSARC/2008/219 Committed API for packet interception
PSARC/2008/335 Corrections for Committed API for packet interception
PSARC/2008/557 Revision to net instance notification API
4844507 Solaris need

PSARC/2008/219 Committed API for packet interception
PSARC/2008/335 Corrections for Committed API for packet interception
PSARC/2008/557 Revision to net instance notification API
4844507 Solaris needs stable interface for packet filtering software
6705155 ipf_stack_init() assumes kmem_alloc with KM_NOSLEEP never fails

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6723135 IPfilter: It's possible for tcp fragments to be mishandled when nat is involved.
6716698 ipfilter: SIOCSTLCK ioctls call fr_lock() function without any error checking
6528022 IPfilter does no

6723135 IPfilter: It's possible for tcp fragments to be mishandled when nat is involved.
6716698 ipfilter: SIOCSTLCK ioctls call fr_lock() function without any error checking
6528022 IPfilter does not handle any bcopy failures correctly (if at all).
6714976 ipfilter: keep state doesn't interact properly with multicast

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6713984 if a nat entry is created, but the packet gets blocked, the entry should be removed
6718524 ipfilter incorrectly tracks and handles orphan state table and nat table entries
6742115 IPfilter:

6713984 if a nat entry is created, but the packet gets blocked, the entry should be removed
6718524 ipfilter incorrectly tracks and handles orphan state table and nat table entries
6742115 IPfilter: NAT entries added with SIOCSTPUT are ignored if no rules exist.
6528443 ipnat -l shows more sessions than ipf_nattable_max

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PSARC 2008/250 ipv6 NAT for IPFilter
6600474 RFE: Need ipv6 support on NAT

6719268 enabling ipfilter causes up to 80% or more drop in packet throughput for multi-stream workloads
6721215 ipfilter panic in ipf:fr_derefrule after restoring state table
6723213 IPfilter: NAT su

6719268 enabling ipfilter causes up to 80% or more drop in packet throughput for multi-stream workloads
6721215 ipfilter panic in ipf:fr_derefrule after restoring state table
6723213 IPfilter: NAT suffers performance hit by holding exclusive locks longer than required

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6685076 ippool and other ipf utilities have possible race condition
6685092 ipfilter list processing function(s) have unsafe edge case(s)

6653172 "ifconfig plumb" interferes with IP filter rules

6499463 need ill-specific hook_nic_event_t creation and destruction routines
6513410 memory allocated in ip_sioctl_removeif() leaks
6606816 ipf_expiretokens is not called to free up tokens
6622346 ip

6499463 need ill-specific hook_nic_event_t creation and destruction routines
6513410 memory allocated in ip_sioctl_removeif() leaks
6606816 ipf_expiretokens is not called to free up tokens
6622346 ipftuneable_alloc doesn't set fr_defnatipage or ipf_loopback

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