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RFC4861 4.6.2. Prefix Information
Prefix An IP address or a prefix of an IP address. The
Prefix Length field contains the number of valid
leading bits in the prefix. The bits in the prefix
after the prefix length are reserved and MUST be
initialized to zero by the sender and ignored by
the receiver.
* rtadv.c
* ipv6_nd_prefix(): add missing call to apply_mask_ipv6()
* no_ipv6_nd_prefix(): idem
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There was a regression introduced with the previous commit:
"ipv6 nd home-agent-lifetime 1800000" appeared by default in every
interface section of running-config, although this command is
invalid in this context. Troubleshooting and bugfixing of the issue
tracked out several bugs in router advertisement procedures, some of
which are fixed in this commit.
* zebra/interface.c
* if_zebra_new_hook(): update to treat -1 as "uninitialized"
* nd_dump_vty(): idem
* zebra/rtadv.c
* rtadv_send_packet(): update processing of "router lifetime" field,
"home agent" option and "home agent lifetime" field to conform to
RFC6275 better
* ipv6_nd_ra_interval_msec(): update MaxRtrAdvInterval range check,
make sure it never exceeds (initialized) AdvDefaultLifetime
* ipv6_nd_ra_interval(): idem
* ipv6_nd_ra_lifetime(): update AdvDefaultLifetime range check, make
sure it never falls below MaxRtrAdvInterval
* ipv6_nd_homeagent_lifetime(): update HomeAgentLifetime range check
* no_ipv6_nd_ra_lifetime(): update to treat -1 as "uninitialized"
* no_ipv6_nd_homeagent_lifetime(): idem
* rtadv_config_write(): idem
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The following options could be configured for an interface, but were
never visible in the config text:
ipv6 nd adv-interval-option
ipv6 nd home-agent-preference
ipv6 nd home-agent-lifetime
ipv6 nd home-agent-config-flag
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This implements a new "ipv6 nd mtu <1-65535>" interface-level command.
* doc/ipv6.texi: add description
* zebra/rtadv.c
* rtadv_send_packet(): send option type 5, when configured
* ipv6_nd_mtu(): new VTY helper
* no_ipv6_nd_mtu(): ditto
* rtadv_config_write(): add new option
* rtadv_init(): list new helpers
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* zebra/rtadv.c
* rtadv_free(): remove unused function
* rtadv_recv_packet(): break up cast/dereference to avoid
compiler type pun warning
* rtadv_read(): initialize ifindex, because compiler can't
figure out that it is okay
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* rtadv.c: round up when calculating the link-layer address option length;
add padding to the option if needed to end on an octet boundary
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Adds "ipv6 nd router-preference (high|medium|low)" and
"no ipv6 nd router-preference" interface commands.
Files modified:
doc/ipv6.texi
zebra/interface.c
zebra/interface.h
zebra/rtadv.c
zebra/rtadv.h
Signed-off-by: Chris Caputo <ccaputo@alt.net>
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Use Ansi-C prototypes rather than old K&R method of declaring
function without arguments
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Simple conversion of XMALLOC/memset to XCALLOC
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2007-05-09 Paul Jakma <paul.jakma@sun.com>
* configure.ac: sys/conf.h depends on sys/param.h, at least on
FBSD 6.2.
(bug #363) Should check for in_pktinfo for IRDP
2006-05-27 Paul Jakma <paul.jakma@sun.com>
* configure.ac: General cleanup of header and type checks, introducing
an internal define, QUAGGA_INCLUDES, to build up a list of
stuff to include so as to avoid 'present but cant be compiled'
warnings.
Misc additional checks of things missing according to autoscan.
Add LIBM, for bgpd's use of libm, so as to avoid burdening
LIBS, and all the binaries, with libm linkage.
Remove the bad practice of using m4 changequote(), just
quote the []'s in the case statements properly.
This should fix bugs 162, 303 and 178.
* */*.{c,h}: Update all HAVE_* to the standard autoconf namespaced
HAVE_* defines. I.e. HAVE_SA_LEN -> HAVE_STRUCT_SOCKADDR_SA_LEN,
* bgpd/Makefile.am: Add LIBM to bgpd's LDADD, for pow().
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* (global) Extern and static'ification, with related fixups
of declarations, ensuring files include their own headers, etc.
if_ioctl.c: (interface_info_ioctl) fix obvious arg mis-order in
list loop
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* (global): Fix up list loops to match changes in lib/linklist,
and some basic auditing of usage.
* configure.ac: define QUAGGA_NO_DEPRECATED_INTERFACES
* HACKING: Add notes about deprecating interfaces and commands.
* lib/linklist.h: Add usage comments.
Rename getdata macro to listgetdata.
Rename nextnode to listnextnode and fix its odd behaviour to be
less dangerous.
Make listgetdata macro assert node is not null, NULL list entries
should be bug condition.
ALL_LIST_ELEMENTS, new macro, forward-referencing macro for use
with for loop, Suggested by Jim Carlson of Sun.
Add ALL_LIST_ELEMENTS_RO for cases which obviously do not need the
"safety" of previous macro.
LISTNODE_ADD and DELETE macros renamed to ATTACH, DETACH, to
distinguish from the similarly named functions, and reflect their
effect better.
Add a QUAGGA_NO_DEPRECATED_INTERFACES define guarded section
with the old defines which were modified above,
for backwards compatibility - guarded to prevent Quagga using it..
* lib/linklist.c: fix up for linklist.h changes.
* ospf6d/ospf6_abr.c: (ospf6_abr_examin_brouter) change to a single
scan of the area list, rather than scanning all areas first for
INTER_ROUTER and then again for INTER_NETWORK. According to
16.2, the scan should be area specific anyway, and further
ospf6d does not seem to implement 16.3 anyway.
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* interface.c, interface.h, rtadv.c, rtadv.h: extensions to Neighbor
discovery for Mobile IPv6.
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* configure.ac: Added test for broken CMSG_FIRSTHDR macro
(relevant for Solaris 8 and unpatched Solaris 9, don't know
whether other platforms are affected).
* zebra.h: Define ZCMSG_FIRSTHDR appropriately based on whether
config.h indicates HAVE_BROKEN_CMSG_FIRSTHDR (as determined
by the configure test program).
* sockopt.c: (getsockopt_cmsg_data) Use ZCMSG_FIRSTHDR instead
of CMSG_FIRSTHDR.
* rtadv.c: (rtadv_recv_packet,rtadv_send_packet) Use ZCMSG_FIRSTHDR
instead of CMSG_FIRSTHDR.
* ripd.c: (rip_recvmsg) Use ZCMSG_FIRSTHDR instead of CMSG_FIRSTHDR.
* ripngd.c: (ripng_recv_packet) Use ZCMSG_FIRSTHDR instead of
CMSG_FIRSTHDR.
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* *.c: Change level of debug messages to LOG_DEBUG.
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* global: Replace strerror with safe_strerror. And vtysh/vtysh.c
needs to include "log.h" to pick up the declaration.
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Inspired by netbsd:src/usr.sbin/rtadvd/rtadvd.c (from KAME).
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* rtadv.c (rtadv_send_packet): Allocate space for control messages
more carefully; it was wrong on NetBSD/sparc where CMSG alignment
is to 8 bytes instead of 4, and overwriting the address. Use the
provided macros for determining lengths.
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NetBSD/sparc, resulting in overwriting the address.
Add code to check if overwriting is happening, at least for now.
Set msg_flags to MSG_DONTROUTE; they had been stack garbage.
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very annoying to have both obsolete "prefix-advertisement" and "prefix" in
completion. We will break configuration anyway with secondary cleanup, so
just remember mention it in release notes.
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from vtysh ([quagga-dev 932]).
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fixes rest of bug #62
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* bgpd/bgp_routemap.c: attr->med is type u_in32_t, should be
compared with UINT32_MAX
* ospfd/ospfd.c: remove redundant assert
* zebra/rtadv.c: add missing include for zebra/rib.h
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* lib/vty.{c,h}: Remove vty layer depending on a 'master' global,
pass the thread master in explicitly to vty_init. Sort out some
header dependency problems with lib/command.h
* zebra/: Move globals to struct zebrad. Update vty_init().
* (.*)/\1_main.c: update call to vty_init().
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* (zebra/rtadvc.): can not set checksum for ICMPV6, see:
From: Jun-ichiro itojun Hagino <itojun@iijlab.net>
Subject: [zebra 11052] setsockopt(IPV6_CHECKSUM) does not work for ICMPv6
socket
setsockopt(IPV6_CHECKSUM) does not work for ICMPv6 socket.
RFC2292 may not be clear enough about it (it talks about raw socket
and ICMPv6 socket mixed up), but the next revision
(draft-ietf-ipngwg-rfc2292bis-02.txt) is very clear about it.
> An attempt to set IPV6_CHECKSUM for an ICMPv6 socket will fail.
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* Merge of zebra privileges
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