diff options
| author | Patrick Rohr <prohr@google.com> | 2023-09-25 14:47:11 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-10-03 15:51:04 -0700 |
| commit | 473267a4911f2469722c74ca58087d951072f72a (patch) | |
| tree | 08602d445874bbf990af9bb0ea03dc0f05ba38d6 /include/linux/ipv6.h | |
| parent | 8989682a1cb600bac1149ed17b1ce929ab472e79 (diff) | |
| download | linux-473267a4911f2469722c74ca58087d951072f72a.tar.gz | |
net: add sysctl to disable rfc4862 5.5.3e lifetime handling
This change adds a sysctl to opt-out of RFC4862 section 5.5.3e's valid
lifetime derivation mechanism.
RFC4862 section 5.5.3e prescribes that the valid lifetime in a Router
Advertisement PIO shall be ignored if it less than 2 hours and to reset
the lifetime of the corresponding address to 2 hours. An in-progress
6man draft (see draft-ietf-6man-slaac-renum-07 section 4.2) is currently
looking to remove this mechanism. While this draft has not been moving
particularly quickly for other reasons, there is widespread consensus on
section 4.2 which updates RFC4862 section 5.5.3e.
Cc: Maciej Żenczykowski <maze@google.com>
Cc: Lorenzo Colitti <lorenzo@google.com>
Cc: Jen Linkova <furry@google.com>
Signed-off-by: Patrick Rohr <prohr@google.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20230925214711.959704-1-prohr@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux/ipv6.h')
| -rw-r--r-- | include/linux/ipv6.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h index e400ff757f136..5e605e384aac8 100644 --- a/include/linux/ipv6.h +++ b/include/linux/ipv6.h @@ -82,6 +82,7 @@ struct ipv6_devconf { __u32 ioam6_id_wide; __u8 ioam6_enabled; __u8 ndisc_evict_nocarrier; + __u8 ra_honor_pio_life; struct ctl_table_header *sysctl_header; }; |