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opnsense-src/sys/netinet6
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Lexi Winter ca4b046105 netinet6: allow binding to anycast addresses 
the restriction on sending packets from anycast source addresses was
removed in RFC4291, so there's no reason to forbid binding to such
addresses.  this allows anycast services (e.g., DNS) to actually use
anycast addresses, which was previously impossible.

RFC4291 also removes the restriction that only routers may configure
anycast addresses; this was never enforced in code but was documented in
ifconfig.8.  update ifconfig.8 to document both changes.

PR:	285545
Reviewed by:	des, adrian
Approved by:	des (mentor)
Differential Revision:	https://reviews.freebsd.org/D49905
2025-04-24 01:50:38 +01:00
..
dest6.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
frag6.c vm_lowmem: Fix signature mismatches in vm_lowmem callbacks 2025-03-04 20:18:52 -05:00
icmp6.c netinet6: Do not forward or send ICMPv6 messages to the unspec address 2025-04-22 14:54:37 +00:00
icmp6.h sys: Remove $FreeBSD$: one-line .c comment pattern 2023-08-16 11:54:24 -06:00
in6.c in6_control_ioctl: correctly report errors from SIOCAIFADDR_IN6 2025-04-07 22:46:03 +02:00
in6.h ip6_cksum.c: generalize in6_cksum_partial() to allow L2 headers in passed mbuf 2025-03-13 17:56:22 +02:00
in6_cksum.c ip6_cksum.c: generalize in6_cksum_partial() to allow L2 headers in passed mbuf 2025-03-13 17:56:22 +02:00
in6_fib.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
in6_fib.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
in6_fib_algo.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
in6_gif.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
in6_ifattach.c sys: Automated cleanup of cdefs and other formatting 2023-11-26 22:24:00 -07:00
in6_ifattach.h sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
in6_jail.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
in6_mcast.c netinet: Remove stale references to Giant from comments 2024-01-27 13:51:13 -05:00
in6_pcb.c netinet6: allow binding to anycast addresses 2025-04-24 01:50:38 +01:00
in6_pcb.h inpcb: Add FIB-aware inpcb lookup 2025-02-06 14:14:39 +00:00
in6_proto.c icmp6: move ICMPv6 related tunables to the files where they are used 2024-03-24 09:13:23 -07:00
in6_rmx.c in6_rmx: remove unnecessary socketvar.h 2024-05-07 14:15:56 -07:00
in6_rss.c sys: Remove $FreeBSD$: two-line .c pattern 2023-08-16 11:54:30 -06:00
in6_rss.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
in6_src.c netinet: add a probe point for IP, IP6, ICMP, ICMP6, UDP and TCP stats counters 2024-04-08 17:29:59 +02:00
in6_var.h in6_var.h: make struct in6_ifaddr declaration searchable with grep(1) 2024-12-09 08:18:56 -08:00
ip6.h sys: Remove $FreeBSD$: one-line .c comment pattern 2023-08-16 11:54:24 -06:00
ip6_ecn.h sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
ip6_fastfwd.c ip: Defer checks for an unspecified dstaddr until after pfil hooks 2025-01-16 16:45:16 +00:00
ip6_forward.c netinet6: Do not forward or send ICMPv6 messages to the unspec address 2025-04-22 14:54:37 +00:00
ip6_gre.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
ip6_id.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
ip6_input.c ip: Defer checks for an unspecified dstaddr until after pfil hooks 2025-01-16 16:45:16 +00:00
ip6_mroute.c netinet*: Add assertions for some places that don't support M_EXTPG mbufs 2024-10-31 16:32:32 -04:00
ip6_mroute.h sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
ip6_output.c socket: Move SO_SETFIB handling to protocol layers 2025-02-06 14:16:21 +00:00
ip6_var.h vm_lowmem: Fix signature mismatches in vm_lowmem callbacks 2025-03-04 20:18:52 -05:00
ip_fw_nat64.h ipfw: migrate ipfw to 32-bit size rule numbers 2025-03-03 21:15:17 +03:00
ip_fw_nptv6.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
mld6.c netinet: add a probe point for IP, IP6, ICMP, ICMP6, UDP and TCP stats counters 2024-04-08 17:29:59 +02:00
mld6.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
mld6_var.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
nd6.c inet6: add the missing lock acquire to nd6_get_llentry 2025-02-10 14:27:37 +00:00
nd6.h icmp6: move ICMPv6 related tunables to the files where they are used 2024-03-24 09:13:23 -07:00
nd6_nbr.c netinet: add a probe point for IP, IP6, ICMP, ICMP6, UDP and TCP stats counters 2024-04-08 17:29:59 +02:00
nd6_rtr.c icmp6: move ICMPv6 related tunables to the files where they are used 2024-03-24 09:13:23 -07:00
pim6.h sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
pim6_var.h sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
raw_ip6.c rawip: Add a bind_all_fibs sysctl 2025-02-06 14:16:36 +00:00
raw_ip6.h sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
route6.c sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
scope6.c netinet6: Fix two typos in source code comments 2024-01-22 21:48:34 +01:00
scope6_var.h sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
sctp6_usrreq.c netinet: Fix getcred sysctl handlers to do nothing if no input is given 2025-03-20 01:33:44 +00:00
sctp6_var.h sctp: cleanup cdefs.h include 2023-08-18 15:25:34 +02:00
send.c sys: Automated cleanup of cdefs and other formatting 2023-11-26 22:24:00 -07:00
send.h sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
tcp6_var.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
udp6_usrreq.c ip6: leave room for link headers in UDP 2025-04-15 19:44:56 -04:00
udp6_var.h sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00