freebsd-skq/sys/netinet6
andre 6164d7c280 Introduce tcp_hostcache and remove the tcp specific metrics from
the routing table.  Move all usage and references in the tcp stack
from the routing table metrics to the tcp hostcache.

It caches measured parameters of past tcp sessions to provide better
initial start values for following connections from or to the same
source or destination.  Depending on the network parameters to/from
the remote host this can lead to significant speedups for new tcp
connections after the first one because they inherit and shortcut
the learning curve.

tcp_hostcache is designed for multiple concurrent access in SMP
environments with high contention and is hash indexed by remote
ip address.

It removes significant locking requirements from the tcp stack with
regard to the routing table.

Reviewed by:	sam (mentor), bms
Reviewed by:	-net, -current, core@kame.net (IPv6 parts)
Approved by:	re (scottl)
2003-11-20 20:07:39 +00:00
..
ah6.h - correct signedness mixups. 2003-10-12 11:08:18 +00:00
ah_aesxcbcmac.c support AES XCBC MAC for AH. 2003-10-13 04:56:04 +00:00
ah_aesxcbcmac.h support AES XCBC MAC for AH. 2003-10-13 04:56:04 +00:00
ah_core.c - m_cat() may free the mbuf on 2nd arg, so m_pkthdr manipulation has 2003-11-15 06:18:09 +00:00
ah_input.c - m_cat() may free the mbuf on 2nd arg, so m_pkthdr manipulation has 2003-11-15 06:18:09 +00:00
ah_output.c - avoid hardcoded values. 2003-10-12 12:03:25 +00:00
ah.h oops, correct wrong change in previous commit. 2003-11-15 06:16:36 +00:00
dest6.c remove unused variable. 2003-10-12 15:14:33 +00:00
esp6.h
esp_aesctr.c - support AES counter mode for ESP. 2003-10-13 14:57:41 +00:00
esp_aesctr.h - support AES counter mode for ESP. 2003-10-13 14:57:41 +00:00
esp_core.c - m_cat() may free the mbuf on 2nd arg, so m_pkthdr manipulation has 2003-11-15 06:18:09 +00:00
esp_input.c - m_cat() may free the mbuf on 2nd arg, so m_pkthdr manipulation has 2003-11-15 06:18:09 +00:00
esp_output.c preparation for 64bit sequence number. 2003-11-15 05:41:41 +00:00
esp_rijndael.c cleanup rijndael API. 2003-11-11 18:58:54 +00:00
esp_rijndael.h enable aes-xcbc-mac and aes-ctr, again. 2003-11-10 10:39:14 +00:00
esp.h - support AES counter mode for ESP. 2003-10-13 14:57:41 +00:00
frag6.c add ECN support in layer-3. 2003-10-29 15:07:04 +00:00
icmp6.c Introduce tcp_hostcache and remove the tcp specific metrics from 2003-11-20 20:07:39 +00:00
icmp6.h
in6_cksum.c - fix typo in comments. 2003-10-08 18:26:08 +00:00
in6_gif.c add ECN support in layer-3. 2003-10-29 15:07:04 +00:00
in6_gif.h - fix typo in comments. 2003-10-08 18:26:08 +00:00
in6_ifattach.c use arc4random. 2003-10-31 16:06:05 +00:00
in6_ifattach.h nuku unused functions in6_nigroup_attach() and 2003-10-31 15:51:28 +00:00
in6_pcb.c Introduce tcp_hostcache and remove the tcp specific metrics from 2003-11-20 20:07:39 +00:00
in6_pcb.h source address selection part of RFC3484. 2003-11-04 20:22:33 +00:00
in6_prefix.c return(code) -> return (code) 2003-10-06 14:02:09 +00:00
in6_prefix.h
in6_proto.c source address selection part of RFC3484. 2003-11-04 20:22:33 +00:00
in6_rmx.c Introduce tcp_hostcache and remove the tcp specific metrics from 2003-11-20 20:07:39 +00:00
in6_src.c Introduce tcp_hostcache and remove the tcp specific metrics from 2003-11-20 20:07:39 +00:00
in6_var.h add management part of address selection policy described in 2003-10-30 15:29:17 +00:00
in6.c replace explicit changes to rt_refcnt by RT_ADDREF and RT_REMREF 2003-11-08 23:36:32 +00:00
in6.h byebye in6_ifawithscope(). it was a function for old source 2003-11-05 17:19:31 +00:00
ip6_ecn.h add ECN support in layer-3. 2003-10-29 15:07:04 +00:00
ip6_forward.c Remove RTF_PRCLONING from routing table and adjust users of it 2003-11-20 19:47:31 +00:00
ip6_fw.c Replace the if_name and if_unit members of struct ifnet with new members 2003-10-31 18:32:15 +00:00
ip6_fw.h Replace the if_name and if_unit members of struct ifnet with new members 2003-10-31 18:32:15 +00:00
ip6_id.c add randomtab for ip6_randomflowlabel(). 2003-10-01 21:45:57 +00:00
ip6_input.c Remove RTF_PRCLONING from routing table and adjust users of it 2003-11-20 19:47:31 +00:00
ip6_mroute.c Replace the if_name and if_unit members of struct ifnet with new members 2003-10-31 18:32:15 +00:00
ip6_mroute.h just merged cosmetic changes from KAME to ease sync between KAME and FreeBSD. 2002-04-19 04:46:24 +00:00
ip6_output.c Introduce tcp_hostcache and remove the tcp specific metrics from 2003-11-20 20:07:39 +00:00
ip6_var.h source address selection part of RFC3484. 2003-11-04 20:22:33 +00:00
ip6.h
ip6protosw.h - fix typo in comments. 2003-10-08 18:26:08 +00:00
ipcomp6.h
ipcomp_core.c - fix typo in comments. 2003-10-08 18:26:08 +00:00
ipcomp_input.c - typo. found by markus@openbsd 2003-10-09 18:44:54 +00:00
ipcomp_output.c sync with the latest KAME (just a cosmetic change) 2003-04-28 08:21:57 +00:00
ipcomp.h just merged cosmetic changes from KAME to ease sync between KAME and FreeBSD. 2002-04-19 04:46:24 +00:00
ipsec6.h - cleanup SP refcnt issue. 2003-11-04 16:02:05 +00:00
ipsec.c nuke obsoleted ipsec_gethist(). it just did panic to notify user 2003-11-07 20:38:45 +00:00
ipsec.h nuke obsoleted ipsec_gethist(). it just did panic to notify user 2003-11-07 20:38:45 +00:00
mld6_var.h rename MLD6_* to MLD_*. 2003-10-31 16:07:15 +00:00
mld6.c rename MLD6_* to MLD_*. 2003-10-31 16:07:15 +00:00
nd6_nbr.c - cleanup SP refcnt issue. 2003-11-04 16:02:05 +00:00
nd6_rtr.c replace explicit changes to rt_refcnt by RT_ADDREF and RT_REMREF 2003-11-08 23:36:32 +00:00
nd6.c replace explicit changes to rt_refcnt by RT_ADDREF and RT_REMREF 2003-11-08 23:36:32 +00:00
nd6.h use arc4random. 2003-10-31 16:06:05 +00:00
pim6_var.h
pim6.h
raw_ip6.c Introduce a MAC label reference in 'struct inpcb', which caches 2003-11-18 00:39:07 +00:00
raw_ip6.h
README
route6.c hide m_tag, again. 2003-10-29 12:49:12 +00:00
scope6_var.h - add dom_if{attach,detach} framework. 2003-10-17 15:46:31 +00:00
scope6.c protect sid_default and sid. 2003-10-22 15:13:36 +00:00
tcp6_var.h
udp6_output.c Introduce tcp_hostcache and remove the tcp specific metrics from 2003-11-20 20:07:39 +00:00
udp6_usrreq.c Introduce a MAC label reference in 'struct inpcb', which caches 2003-11-18 00:39:07 +00:00
udp6_var.h

a note to committers about KAME tree
$FreeBSD$
KAME project


FreeBSD IPv6/IPsec tree is from KAMEproject (http://www.kame.net/).
To synchronize KAME tree and FreeBSD better today and in the future,
please understand the following:

- DO NOT MAKE COSTMETIC CHANGES.
  "Cosmetic changes" here includes tabify, untabify, removal of space at EOL,
  minor KNF items, and whatever adds more output lines on "diff freebsd kame".
  To make future synchronization easier. it is critical to preserve certain
  statements in the code.  Also, as KAME tree supports all 4 BSDs (Free, Open,
  Net, BSD/OS) in single shared tree, it is not always possible to backport
  FreeBSD changes into KAME tree.  So again, please do not make cosmetic
  changes.  Even if you think it a right thing, that will bite KAME guys badly
  during upgrade attempts, and prevent us from synchronizing two trees.
  (you don't usually make cosmetic changes against third-party code, do you?)

- REPORT CHANGES/BUGS TO KAME GUYS.
  It is not always possible for KAME guys to watch all the freebsd mailing
  list traffic, as the traffic is HUGE.  So if possible, please, inform
  kame guys of changes you made in IPv6/IPsec related portion.  Contact
  path would be snap-users@kame.net or KAME PR database on www.kame.net.
  (or to core@kame.net if it is necessary to make it confidential)

Thank you for your cooperation and have a happy IPv6 life!


Note: KAME-origin code is in the following locations.
The above notice applies to corresponding manpages too.
The list may not be complete.  If you see $KAME$ in the code, it is from
KAME distribution.  If you see some file that is IPv6/IPsec related, it is
highly possible that the file is from KAME distribution.

include/ifaddrs.h
lib/libc/net
lib/libc/net/getaddrinfo.c
lib/libc/net/getifaddrs.c
lib/libc/net/getnameinfo.c
lib/libc/net/ifname.c
lib/libc/net/ip6opt.c
lib/libc/net/map_v4v6.c
lib/libc/net/name6.c
lib/libftpio
lib/libipsec
sbin/ip6fw
sbin/ping6
sbin/rtsol
share/doc/IPv6
share/man/man4/ip6.4
share/man/man4/inet6.4
sys/crypto (except sys/crypto/rc4)
sys/kern/uipc_mbuf2.c
sys/net/if_faith.[ch]
sys/net/if_gif.[ch]
sys/net/if_stf.[ch]
sys/net/pfkeyv2.h
sys/netinet/icmp6.h
sys/netinet/in_gif.[ch]
sys/netinet/ip6.h
sys/netinet/ip_encap.[ch]
sys/netinet6
sys/netkey
usr.sbin/faithd
usr.sbin/gifconfig
usr.sbin/ifmcstat
usr.sbin/mld6query
usr.sbin/ndp
usr.sbin/pim6dd
usr.sbin/pim6sd
usr.sbin/prefix
usr.sbin/rip6query
usr.sbin/route6d
usr.sbin/rrenumd
usr.sbin/rtadvd
usr.sbin/rtsold
usr.sbin/scope6config
usr.sbin/setkey
usr.sbin/traceroute6