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Zhenlei Huang 62e1a437f3 routing: Allow using IPv6 next-hops for IPv4 routes (RFC 5549).
Implement kernel support for RFC 5549/8950.

* Relax control plane restrictions and allow specifying IPv6 gateways
 for IPv4 routes. This behavior is controlled by the
 net.route.rib_route_ipv6_nexthop sysctl (on by default).

* Always pass final destination in ro->ro_dst in ip_forward().

* Use ro->ro_dst to exract packet family inside if_output() routines.
 Consistently use RO_GET_FAMILY() macro to handle ro=NULL case.

* Pass extracted family to nd6_resolve() to get the LLE with proper encap.
 It leverages recent lltable changes committed in c541bd368f.

Presence of the functionality can be checked using ipv4_rfc5549_support feature(3).
Example usage:
  route add -net 192.0.0.0/24 -inet6 fe80::5054:ff:fe14:e319%vtnet0

Differential Revision: https://reviews.freebsd.org/D30398
MFC after:	2 weeks
2021-08-22 22:56:08 +00:00
.cirrus-ci Cirrus-CI: add some timing info on pkg install failure 2021-08-04 15:02:00 -04:00
.github [skip ci] fix syntax in CODEOWNERS 2021-07-22 10:58:54 -06:00
bin ls: prevent no-color build from complaining when COLORTERM is non-empty 2021-08-19 21:22:16 +02:00
cddl zfs: attach zpool_influxdb to build 2021-07-07 20:15:12 +02:00
contrib Apply clang fix for assertion failure compiling multimedia/minitube 2021-08-21 23:03:50 +02:00
crypto OpenSSL: Add support for Chacha20-Poly1305 to kernel TLS on FreeBSD. 2021-08-17 14:41:42 -07:00
etc vmm: Add credential to cdev object 2021-08-18 13:41:33 -04:00
gnu dialog: fix macro redefinition 2021-03-01 16:01:44 +01:00
include Add _Fork() 2021-08-03 21:19:32 +03:00
kerberos5 kerberos5: fix the WITH_OPENLDAP build 2021-01-30 00:07:50 -06:00
lib Fix aio_readv(2), aio_writev(2) with SIGEV_THREAD. 2021-08-22 23:49:23 +12:00
libexec Allow rc.d script to provide "status" method, even if it does not 2021-08-20 09:43:46 -07:00
release release: allow VM_EXTRA_PACKAGES to be specified in the environment 2021-08-09 10:31:51 -06:00
rescue Fix building rescue/rescue when sanitizers are enabled 2021-07-06 12:18:30 +01:00
sbin dhclient: skip_to_semi() consumes semicolon already 2021-08-19 09:11:38 -04:00
secure secure/caroot, certctl: Rename secure/caroot/blacklisted 2021-06-18 13:38:07 +01:00
share localedef: unbreak WITHOUT_LOCALES 2021-08-19 12:38:17 -05:00
stand loader: loader_lua can run command_more twice 2021-08-21 21:28:54 +03:00
sys routing: Allow using IPv6 next-hops for IPv4 routes (RFC 5549). 2021-08-22 22:56:08 +00:00
targets Prefer MK_SSP=no to SSP_CFLAGS= 2021-08-04 15:23:22 -03:00
tests Fix aio_readv(2), aio_writev(2) with SIGEV_THREAD. 2021-08-22 23:49:23 +12:00
tools Fix a few typos in source code comments 2021-08-14 09:39:17 +02:00
usr.bin lio_listio(2): Allow LIO_READV and LIO_WRITEV. 2021-08-22 23:00:42 +12:00
usr.sbin bhyve: change a default address from ANY to localhost 2021-08-21 19:43:17 +02:00
.arcconfig Remove history.immutable from .arcconfig 2021-04-13 12:36:25 +01:00
.arclint arc lint: ignore /tests/ in chmod 2017-12-19 03:38:06 +00:00
.cirrus.yml Revert "Cirrus-CI: Temporarily skip package build + test" 2021-07-27 16:28:47 -04:00
.clang-format clang-format: Avoid breaking after the opening paren of function definitions 2020-10-28 11:54:00 +00:00
.gitattributes Add a basic clang-format configuration file 2019-06-07 15:23:52 +00:00
.gitignore gitignore: Add .clangd and .ccls-cache 2021-06-04 16:56:08 +08:00
COPYRIGHT copyrights: Happy New Year 2021 2020-12-31 10:29:44 -05:00
LOCKS LOCKS: update current locks 2018-06-09 03:08:04 +00:00
MAINTAINERS [skip ci] volunteer to maintain POSIX AIO 2021-05-30 17:21:12 -06:00
Makefile Revert "Fix native-xtools build" 2021-08-03 10:00:28 -07:00
Makefile.inc1 localedef: unbreak WITHOUT_LOCALES 2021-08-19 12:38:17 -05:00
Makefile.libcompat Prefer MK_SSP=no to SSP_CFLAGS= 2021-08-04 15:23:22 -03:00
Makefile.sys.inc AUTO_OBJ: For all top-level targets enforce using an OBJDIR. 2017-12-05 21:29:47 +00:00
ObsoleteFiles.inc pmc(3): remove Pentium-related man pages and references 2021-08-10 17:19:58 -03:00
README.md Whitespace cleanup 2021-03-12 19:57:58 +08:00
RELNOTES RELNOTES: Add entries for KASAN and KMSAN 2021-08-11 13:08:36 -04:00
UPDATING UPDATING: Add a note about OpenSSL defaulting KTLS to off. 2021-08-17 14:43:46 -07:00

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