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  • jan.koester jan.koester jan.koester
1 author
  1. Jan 25, 2016
  3. Dec 18, 2015
    • Arnd Bergmann's avatar
      ila: add NETFILTER dependency · 8cb964da
      Arnd Bergmann authored 
      
The recently added generic ILA translation facility fails to
build when CONFIG_NETFILTER is disabled:

net/ipv6/ila/ila_xlat.c:229:20: warning: 'struct nf_hook_state' declared inside parameter list
net/ipv6/ila/ila_xlat.c:235:27: error: array type has incomplete element type 'struct nf_hook_ops'
 static struct nf_hook_ops ila_nf_hook_ops[] __read_mostly = {

This adds an explicit Kconfig dependency to avoid that case.

Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
Fixes: 7f00feaf ("ila: Add generic ILA translation facility")
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      8cb964da
  5. Aug 18, 2015
    • Tom Herbert's avatar
      net: Identifier Locator Addressing module · 65d7ab8d
      Tom Herbert authored 
      
Adding new module name ila. This implements ILA translation. Light
weight tunnel redirection is used to perform the translation in
the data path. This is configured by the "ip -6 route" command
using the "encap ila <locator>" option, where <locator> is the
value to set in destination locator of the packet. e.g.

ip -6 route add 3333:0:0:1:5555:0:1:0/128 \
      encap ila 2001:0:0:1 via 2401:db00:20:911a:face:0:25:0

Sets a route where 3333:0:0:1 will be overwritten by
2001:0:0:1 on output.

Signed-off-by: default avatarTom Herbert <tom@herbertland.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      65d7ab8d
  7. Jul 13, 2015
    • Tom Herbert's avatar
      net: Build IPv6 into kernel by default · de551f2e
      Tom Herbert authored 
      This patch makes the default to build IPv6 into the kernel. IPv6
now has significant traction and any remaining vestiges of IPv6
not being provided parity with IPv4 should be swept away. IPv6 is now
core to the Internet and kernel.

Points on IPv6 adoption:

- Per Google statistics, IPv6 usage has reached 7% on the Internet
  and continues to exhibit an exponential growth rate
  https://www.google.com/intl/en/ipv6/statistics.html


- Just a few days ago ARIN officially depleted its IPv4 pool
- IPv6 only data centers are being successfully built
  (e.g. at Facebook)

This patch changes the IPv6 Kconfig for IPV6. Default for CONFIG_IPV6
is set to "y" and the text has been updated to reflect the maturity of
IPv6.

Impact:

Under some circumstances building modules in to kernel might have a
performance advantage. In my testing, I did notice a very slight
improvement.

This will obviously increase the size of the kernel image. In my
configuration I see:

IPv6 as module:

   text    data     bss     dec     hex filename
9703666 1899288  933888 12536842         bf4c0a vmlinux

IPv6 built into kernel

  text     data     bss     dec     hex filename
9436490 1879600  913408 12229498         ba9b7a vmlinux

Which increases text size by ~270K (2.8% increase in size for me). If
image size is an issue, presumably for a device which does not do IP
networking (IMO we should be discouraging IPv4-only devices), IPV6 can
be disabled or still built as a module.

Acked-by: default avatarYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: default avatarTom Herbert <tom@herbertland.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      de551f2e
  9. Feb 20, 2014
  11. Oct 29, 2013
  13. Oct 10, 2013
  15. Mar 26, 2013
  17. Feb 22, 2013
  19. Jan 11, 2013
    • Kees Cook's avatar
      net/ipv6: remove depends on CONFIG_EXPERIMENTAL · f9ceb16e
      Kees Cook authored 
      
The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.

CC: "David S. Miller" <davem@davemloft.net>
CC: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
CC: James Morris <jmorris@namei.org>
CC: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
CC: Patrick McHardy <kaber@trash.net>
Signed-off-by: default avatarKees Cook <keescook@chromium.org>
Acked-by: default avatarDavid S. Miller <davem@davemloft.net>
      f9ceb16e
  21. Aug 14, 2012
  23. May 15, 2012
  25. May 11, 2010
    • Patrick McHardy's avatar
      ipv6: ip6mr: support multiple tables · d1db275d
      Patrick McHardy authored 
      
This patch adds support for multiple independant multicast routing instances,
named "tables".

Userspace multicast routing daemons can bind to a specific table instance by
issuing a setsockopt call using a new option MRT6_TABLE. The table number is
stored in the raw socket data and affects all following ip6mr setsockopt(),
getsockopt() and ioctl() calls. By default, a single table (RT6_TABLE_DFLT)
is created with a default routing rule pointing to it. Newly created pim6reg
devices have the table number appended ("pim6regX"), with the exception of
devices created in the default table, which are named just "pim6reg" for
compatibility reasons.

Packets are directed to a specific table instance using routing rules,
similar to how regular routing rules work. Currently iif, oif and mark
are supported as keys, source and destination addresses could be supported
additionally.

Example usage:

- bind pimd/xorp/... to a specific table:

uint32_t table = 123;
setsockopt(fd, SOL_IPV6, MRT6_TABLE, &table, sizeof(table));

- create routing rules directing packets to the new table:

# ip -6 mrule add iif eth0 lookup 123
# ip -6 mrule add oif eth0 lookup 123

Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
      d1db275d
  27. Oct 07, 2009
  29. Jun 12, 2009
  31. Mar 30, 2009
  33. Jul 25, 2008
  35. Apr 27, 2008
  37. Apr 25, 2008
  39. Apr 14, 2008
  41. Apr 05, 2008
  43. Apr 03, 2008
  45. Mar 20, 2008
  47. Mar 04, 2008
  49. Feb 01, 2008
  51. Jul 11, 2007
    • Masahide NAKAMURA's avatar
      [IPV6] MIP6: Loadable module support for MIPv6. · 59fbb3a6
      Masahide NAKAMURA authored 
      
This patch makes MIPv6 loadable module named "mip6".

Here is a modprobe.conf(5) example to load it automatically
when user application uses XFRM state for MIPv6:

alias xfrm-type-10-43 mip6
alias xfrm-type-10-60 mip6

Some MIPv6 feature is not included by this modular, however,
it should not be affected to other features like either IPsec
or IPv6 with and without the patch.
We may discuss XFRM, MH (RAW socket) and ancillary data/sockopt
separately for future work.

Loadable features:
* MH receiving check (to send ICMP error back)
* RO header parsing and building (i.e. RH2 and HAO in DSTOPTS)
* XFRM policy/state database handling for RO

These are NOT covered as loadable:
* Home Address flags and its rule on source address selection
* XFRM sub policy (depends on its own kernel option)
* XFRM functions to receive RO as IPv6 extension header
* MH sending/receiving through raw socket if user application
  opens it (since raw socket allows to do so)
* RH2 sending as ancillary data
* RH2 operation with setsockopt(2)

Signed-off-by: default avatarMasahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      59fbb3a6
  53. Apr 26, 2007
  55. Feb 13, 2007
  57. Dec 03, 2006
    • Thomas Graf's avatar
      [NET]: Rethink mark field in struct flowi · 47dcf0cb
      Thomas Graf authored 
      
Now that all protocols have been made aware of the mark
field it can be moved out of the union thus simplyfing
its usage.

The config options in the IPv4/IPv6/DECnet subsystems
to enable respectively disable mark based routing only
obfuscate the code with ifdefs, the cost for the
additional comparison in the flow key is insignificant,
and most distributions have all these options enabled
by default anyway. Therefore it makes sense to remove
the config options and enable mark based routing by
default.

Signed-off-by: default avatarThomas Graf <tgraf@suug.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      47dcf0cb
  59. Oct 19, 2006
  61. Oct 12, 2006
  63. Oct 04, 2006
  65. Sep 22, 2006