| Commit message (Collapse) | Author | Age | Files | Lines |
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IPv6 prefix list.
Reviewed by: hrs
MFC after: 1 week
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Since ARP and routing are separated, "proxy only" entries
don't have any meaning, thus we don't need additional field
in sockaddr to pass SIN_PROXY flag.
New kernel is binary compatible with old tools, since sizes
of sockaddr_inarp and sockaddr_in match, and sa_family are
filled with same value.
The structure declaration is left for compatibility with
third party software, but in tree code no longer use it.
Reviewed by: ru, andre, net@
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It stops treating the address on the interface as special by source
address selection rule even when the interface is outgoing interface.
This is desired in some situation.
Requested by: hrs
Reviewed by: IHANet folks including hrs
MFC after: 1 week
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Approved by: bcr (mentor)
Obtained from: DragonflyBSD (a5294ca835317c68c919ab43936da4f05ab6e926)
MFC after: 3 days
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- Deembed scope id in L3 address in in6_lltable_dump().
- Simplify scope id recovery in rtsock routines.
- Remove embedded scope id handling in ndp(8) and route(8) completely.
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implementation of RFC 3484 for this purpose for a long time and "prefer_source"
was never implemented actually. ND6_IFF_PREFER_SOURCE macro is left intact.
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a wider arg2 for sysctl, updates to vlan code, IFT_INFINIBAND,
and other miscellaneous small features.
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Noticed by: Boris Kochergin <spawk acm poly edu>
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use a different interface type (IFT_L2VLAN vs IFT_ETHER). Treat IFT_L2VLAN
interfaces like IFT_ETHER interfaces when handling link layer addresses.
Reviewed by: syrinx (bsnmpd)
MFC after: 1 week
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there, so remove this dummy header.
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automatic link-local address configuration:
- Convert a sysctl net.inet6.ip6.accept_rtadv to one for the
default value of a per-IF flag ND6_IFF_ACCEPT_RTADV, not a
global knob. The default value of the sysctl is 0.
- Add a new per-IF flag ND6_IFF_AUTO_LINKLOCAL and convert a
sysctl net.inet6.ip6.auto_linklocal to one for its default
value. The default value of the sysctl is 1.
- Make ND6_IFF_IFDISABLED more robust. It can be used to disable
IPv6 functionality of an interface now.
- Receiving RA is allowed if ip6_forwarding==0 *and*
ND6_IFF_ACCEPT_RTADV is set on that interface. The former
condition will be revisited later to support a "host + router" box
like IPv6 CPE router. The current behavior is compatible with
the older releases of FreeBSD.
- The ifconfig(8) now supports these ND6 flags as well as "nud",
"prefer_source", and "disabled" in ndp(8). The ndp(8) now
supports "auto_linklocal".
Discussed with: bz and jinmei
Reviewed by: bz
MFC after: 3 days
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sizeof(), as introduced in r186119, for advancing the current
position into the buffer.
See comment in net/route.h for a description of the difference.
This makes ndp -s work again.
Reviewed by: qingli
X-MFC after: now
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1. The "route" command allows route insertion through the interface-direct
option "-iface". During if_attach(), an sockaddr_dl{} entry is created
for the interface and is part of the interface address list. This
sockaddr_dl{} entry describes the interface in detail. The "route"
command selects this entry as the "gateway" object when the "-iface"
option is present. The "arp" and "ndp" commands also interact with the
kernel through the routing socket when adding and removing static L2
entries. The static L2 information is also provided through the
"gateway" object with an AF_LINK family type, similar to what is
provided by the "route" command. In order to differentiate between
these two types of operations, a RTF_LLDATA flag is introduced. This
flag is set by the "arp" and "ndp" commands when issuing the add and
delete commands. This flag is also set in each L2 entry returned by the
kernel. The "arp" and "ndp" command follows a convention where a RTM_GET
is issued first followed by a RTM_ADD/DELETE. This RTM_GET request fills
in the fields for a "rtm" object, which is reinjected into the kernel by
a subsequent RTM_ADD/DELETE command. The entry returend from RTM_GET
is a prefix route, so the RTF_LLDATA flag must be specified when issuing
the RTM_ADD/DELETE messages.
2. Enforce the convention that NET_RT_FLAGS with a 0 w_arg is the
specification for retrieving L2 information. Also optimized the
code logic.
Reviewed by: julian
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1. separating L2 tables (ARP, NDP) from the L3 routing tables
2. removing as much locking dependencies among these layers as
possible to allow for some parallelism in the search operations
3. simplify the logic in the routing code,
The most notable end result is the obsolescent of the route
cloning (RTF_CLONING) concept, which translated into code reduction
in both IPv4 ARP and IPv6 NDP related modules, and size reduction in
struct rtentry{}. The change in design obsoletes the semantics of
RTF_CLONING, RTF_WASCLONE and RTF_LLINFO routing flags. The userland
applications such as "arp" and "ndp" have been modified to reflect
those changes. The output from "netstat -r" shows only the routing
entries.
Quite a few developers have contributed to this project in the
past: Glebius Smirnoff, Luigi Rizzo, Alessandro Cerri, and
Andre Oppermann. And most recently:
- Kip Macy revised the locking code completely, thus completing
the last piece of the puzzle, Kip has also been conducting
active functional testing
- Sam Leffler has helped me improving/refactoring the code, and
provided valuable reviews
- Julian Elischer setup the perforce tree for me and has helped
me maintaining that branch before the svn conversion
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Obtained from: Slava Semushin via NetBSD
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Tested with: cmp(1)
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Obtained from: KAME
Reviewd by: ume, gnn
MFC after: 2 week
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- fixed a bug that "ndp ... proxy" command does not work
Obtained from: KAME
Reviewd by: ume, gnn
MFC after: 2 weeks
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- removed compilation warnings
- suppress a redundant error message when a default-router-list is empty
Obtained from: KAME
Reviewd by: ume, gnn
MFC after: 2 weeks
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NDP-related kernel variables based on their configurations (RFC2461 p.43 6.2.1 mandates this for IPv6 routers)
Obtained from: KAME
Reviewd by: ume, gnn
MFC after: 2 weeks
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(with permission of addtional copyright holders where appropriate)
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present in ndp(8).
The vendor branch import uses a _U_ macro to apply the GCC 'unused' attribute
to the rcs ids embedded in each source file. Teach ndp about this.
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Obtained from: KAME
MFC after: 1 week
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Obtained from: KAME
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deraadt NOTE: -I needs to take an arg (there's no way we can take no
arg/an arg with a single option)
- sscanf overrun
- no variable name on prototype.
- u_int32_t may not be u_long.
- skipped non-host route when printing neighbor cache entries.
- valid and preferred lifetimes are unsigned.
- wording.
Obtained from: KAME
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Obtained from: KAME
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initialized
Obtained from: KAME
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- use strlcpy() and snprintf()
- use err()
- style
Obtained from: KAME
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control whether to accept RAs per-interface basis.
the new stuff ensures the backward compatibility;
- the kernel does not accept RAs on any interfaces by default.
- since the default value of the flag bit is on, the kernel accepts RAs
on all interfaces when net.inet6.ip6.accept_rtadv is 1.
Obtained from: KAME
MFC after: 1 week
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Add FreeBSD Id tag where missing.
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Submitted by: Bruce "Allah" Dang <bruce@research.teamxor.org>
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Obtained from: KAME
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Avoid using parenthesis enclosure macros (.Pq and .Po/.Pc) with plain text.
Not only this slows down the mdoc(7) processing significantly, but it also
has an undesired (in this case) effect of disabling hyphenation within the
entire enclosed block.
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These are not perfectly in agreement with each other style-wise, but they
are orders of orders of magnitude more consistent style-wise than before.
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This work was based on kame-20010528-freebsd43-snap.tgz and some
critical problem after the snap was out were fixed.
There are many many changes since last KAME merge.
TODO:
- The definitions of SADB_* in sys/net/pfkeyv2.h are still different
from RFC2407/IANA assignment because of binary compatibility
issue. It should be fixed under 5-CURRENT.
- ip6po_m member of struct ip6_pktopts is no longer used. But, it
is still there because of binary compatibility issue. It should
be removed under 5-CURRENT.
Reviewed by: itojun
Obtained from: KAME
MFC after: 3 weeks
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- MAN[1-9] -> MAN.
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- do not print header when using -c
- linklocal address are not cleared when using -c
Obtained from: KAME
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