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2006-12-12 Andrew J. Schorr <ajschorr@alumni.princeton.edu>
* if.h: (struct connected) Add new ZEBRA_IFA_PEER flag indicating
whether a peer address has been configured. Comment now shows
the new interpretation of the destination addr: if ZEBRA_IFA_PEER
is set, then it must contain the destination address, otherwise
it may contain the broadcast address or be NULL.
(CONNECTED_DEST_HOST,CONNECTED_POINTOPOINT_HOST) Remove obsolete
macros that were specific to IPv4 and not fully general.
(CONNECTED_PEER) New macro to check ZEBRA_IFA_PEER flag.
(CONNECTED_PREFIX) New macro giving the prefix to insert into
the RIB: if CONNECTED_PEER, then use the destination (peer) address,
else use the address field.
(CONNECTED_ID) New macro to come up with an identifying address
for the struct connected.
* if.c: (if_lookup_address, connected_lookup_address) Streamline
logic with new CONNECTED_PREFIX macro.
* prefix.h: (PREFIX_COPY_IPV4, PREFIX_COPY_IPV6) New macros
for better performance than the general prefix_copy function.
* zclient.c: (zebra_interface_address_read) For non-null destination
addresses, set prefixlen to equal the address prefixlen. This
is needed to get the new CONNECTED_PREFIX macro to work properly.
* connected.c: (connected_up_ipv4, connected_down_ipv4,
connected_up_ipv6, connected_down_ipv6) Simplify logic using the
new CONNECTED_PREFIX macro.
(connected_add_ipv4) Set prefixlen in destination addresses (required
by the CONNECTED_PREFIX macro). Use CONNECTED_PEER macro instead
of testing for IFF_POINTOPOINT. Delete invalid warning message.
Warn about cases where the ZEBRA_IFA_PEER is set but no
destination address has been supplied (and turn off the flag).
(connected_add_ipv6) Add new flags argument so callers may set
the ZEBRA_IFA_PEER flag. If peer/broadcast address satisfies
IN6_IS_ADDR_UNSPECIFIED, then reject it with a warning.
Set prefixlen in destination address so CONNECTED_PREFIX will work.
* connected.h: (connected_add_ipv6) Add new flags argument so
callers may set the ZEBRA_IFA_PEER flag.
* interface.c: (connected_dump_vty) Use CONNECTED_PEER macro
to decide whether the destination address is a peer or broadcast
address (instead of checking IFF_BROADCAST and IFF_POINTOPOINT).
* if_ioctl.c: (if_getaddrs) Instead of setting a peer address
only when the IFF_POINTOPOINT is set, we now accept a peer
address whenever it is available and not the same as the local
address. Otherwise (no peer address assigned), we check
for a broadcast address (regardless of the IFF_BROADCAST flag).
And must now pass a flags value of ZEBRA_IFA_PEER to
connected_add_ipv4 when a peer address is assigned.
The same new logic is used with the IPv6 code as well (and we
pass the new flags argument to connected_add_ipv6).
(if_get_addr) Do not bother to check IFF_POINTOPOINT: just
issue the SIOCGIFDSTADDR ioctl and see if we get back
a peer address not matching the local address (and set
the ZEBRA_IFA_PEER in that case). If there's no peer address,
try to grab SIOCGIFBRDADDR regardless of whether IFF_BROADCAST is set.
* if_ioctl_solaris.c: (if_get_addr) Just try the SIOCGLIFDSTADDR ioctl
without bothering to check the IFF_POINTOPOINT flag. And if
no peer address was found, just try the SIOCGLIFBRDADDR ioctl
without checking the IFF_BROADCAST flag. Call connected_add_ipv4
and connected_add_ipv6 with appropriate flags.
* if_proc.c: (ifaddr_proc_ipv6) Must pass new flags argument to
connected_add_ipv6.
* kernel_socket.c: (ifam_read) Must pass new flags argument to
connected_add_ipv6.
* rt_netlink.c: (netlink_interface_addr) Copy logic from iproute2
to determine local and possible peer address (so there's no longer
a test for IFF_POINTOPOINT). Set ZEBRA_IFA_PEER flag appropriately.
Pass new flags argument to connected_add_ipv6.
(netlink_address) Test !CONNECTED_PEER instead of if_is_broadcast
to determine whether the connected destination address is a
broadcast address.
* bgp_nexthop.c: (bgp_connected_add, bgp_connected_delete)
Simplify logic by using new CONNECTED_PREFIX macro.
* ospf_interface.c: (ospf_if_is_configured, ospf_if_lookup_by_prefix,
ospf_if_lookup_recv_if) Simplify logic using new CONNECTED_PREFIX
macro.
* ospf_lsa.c: (lsa_link_ptop_set) Using the new CONNECTED_PREFIX
macro, both options collapse into the same code.
* ospf_snmp.c: (ospf_snmp_if_update) Simplify logic using new
CONNECTED_ID macro.
(ospf_snmp_is_if_have_addr) Simplify logic using new CONNECTED_PREFIX
macro.
* ospf_vty.c: (show_ip_ospf_interface_sub) Use new CONNECTED_PEER macro
instead of testing the IFF_POINTOPOINT flag.
* ospfd.c: (ospf_network_match_iface) Use new CONNECTED_PEER macro
instead of testing with if_is_pointopoint. And add commented-out
code to implement alternative (in my opinion) more elegant behavior
that has no special-case treatment for PtP addresses.
(ospf_network_run) Use new CONNECTED_ID macro to simplify logic.
* rip_interface.c: (rip_interface_multicast_set) Use new CONNECTED_ID
macro to simplify logic.
(rip_request_interface_send) Fix minor bug: ipv4_broadcast_addr does
not give a useful result if prefixlen is 32 (we require a peer
address in such cases).
* ripd.c: (rip_update_interface) Fix same bug as above.
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2006-01-25 Paul Jakma <paul.jakma@sun.com>
* (general) More solaris PF_ROUTE hacks. The IFF_UP mangling
for solaris was incomplete on the PF_ROUTE side. fix it.
This changeset generally uglifies things. For some future
work I'd like to see the state changes seperated out from
the details of the code. Differences between systems might
then be slightly easier to implement without convoluted
hacks.
Changes should be specific to Solaris mostly, however
also tested on FreeBSD 6.
* if_ioctl_solaris.c: (interface_list_ioctl) ignore ~IFF_UP
interfaces, we'll hear about them when/if interface goes up
through NEWADDR.
Update flags explicitely at end of it to kick mangling.
* ioctl_solaris.c: (if_mangle_up) removed to interface.c, in
kind.
(lifreq_set_name) more convenient to take the string, than
the ifp.
(if_get_flags_direct) new convenience function, returns
the actual flags. Used during bootstrap in if_ioctl_solaris.c
to peek at flags of logical interfaces to see whether or
not to ignore them.
(if_get_flags) ENXIO means it's gone, poke out IFF_UP and
kick flags update.
(if_{un,}set_flags) flags argument should be 64bit.
* ioctl.{c,h}: flags argument should be 64bit.
* interface.h: Add a 'primary_state' flag to struct zebra_if on
SUNOS_5.
Export if_flags_update.
* interface.c: (if_flags_mangle) moved over in kind from
ioctl_solaris.c. Nasty kludge to try get IFF_UP right, as
much as is possible. Also keep track of the actual IFF_UP
value for the primary interface, so we can know when the ifp
must be deleted.
(if_flags_update) Take a new interface flags value, apply it
to the interface, and take whatever actions are required due
to flag transitions.
(if_refresh) flag state change logic is moved out to
previous. Just call if_get_flags, which will end up using
previous to effect the update of flags.
(if_flag_dump_vty) IFF_IPV{4,6} aren't interesting, VIRTUAL
and NOXMIT are though.
* kernel_socket.c: (ifm_read) Down->Down transitions shouldn't
create ifp, for non-IFANNOUNCE systems.
Use if_flags_update to update flags.
flag transition logic is now handled automatically through
if_flags_update.
(ifam_read) Better to call if_refresh *after* adding
connected addresses, as connected count affects IFF_UP on
IFF_UP-mangled systems.
On Solaris, Up->Down due to DELADDR means we need to delete
the ifp - the IFINFO might already have been and gone.
* rt.h: include other dependent headers.
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* connected.{c,h}: Include memory.h
(connected_add_ipv4) Use MTYPE for ifc label.
(connected_add_ipv6) Also should accept label. Store it in ifp.
(connected_del_ipv4) Taking label as argument is pointless.
* rt_netlink.c: (netlink_interface_addr) update label usage
for connected_{add,delete} functions.
* if_ioctl.c: (if_getaddrs) NULL label for connected_add_ipv6.
* if_ioctl_solaris.c: (interface_list_ioctl) Pass LIFC_NOXMIT
so we also find out about NOXMIT interfaces like VNI.
Bit of hackery to turn interface names into the primary
interface name, later with routing socket messages we only
will about primary interfaces anyway, so we must normalise
the name.
(if_get_addr) take label as argument, so it can
be passed to connected_add.
If label is provided, then it is interface name to issue the
ioctl for address information on, not the ifp name.
(interface_list) List AF_UNSPEC too, just in case.
* if_proc.c: (ifaddr_proc_ipv6) label for connected_add_ipv6.
* interface.c: (if_addr_wakeup) Some very bogus code - sets
IFF_RUNNING - add comment.
(if_refresh)
(ip_address_install) Use MTYPE for ifc label.
* ioctl_solaris.c: (if_mangle_up) New function. Hackery to make
IFF_UP reflect whether any addresses are left on the
interface, as we get signalled for IFF_UP flags change on the
primary interface only. Logical interfaces dont generate
IFINFO, but we do get an RTM_DELADDR.
(if_get_flags) Call if_mangle_up before return.
* kernel_socket.c: (ifam_read) Fixup calls to
connected_{add,delete} to match above changes. Rename gate
variable to brd, less confusing.
Pass the interface name as a label, if it is not same name
as ifp->name.
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* if_ioctl_solaris.c: (if_lookup_linklocal) fix order of args
in ALL_LIST_ELEMENTS_RO macro.
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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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* if.h: (if_lookup_by_name_len, if_get_by_name_len) New functions.
* if.c: (if_lookup_by_name_len, if_get_by_name_len) New functions.
(if_get_by_name) Tighten up code.
(interface) Use new function if_get_by_name_len.
* zclient.c: (zebra_interface_add_read) Use new if_get_by_name_len
function.
(zebra_interface_state_read) Use new if_lookup_by_name_len function.
* kernel_socket.c: (ifm_read) Use new if_lookup_by_name_len function
to save a memcpy.
* if_ioctl_solaris.c: (interface_list_ioctl) Fix subtle bug with new
if_get_by_name_len function.
* ospf_interface.c: (ospf_vl_new) Use strnlen to fix call to if_create.
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* if_ioctl_solaris.c: (interface_list_ioctl) Save errno before calling
zserv_privs.change.
* ioctl{,_solaris}.c: (if_ioctl,if_ioctl_ipv6) Save errno before calling
zserv_privs.change.
* ipforward_solaris.c: (solaris_nd) Save errno before calling
zserv_privs.change.
* irdp_main.c: (irdp_sock_init) Save errno before calling
zserv_privs.change.
[backport candidate]
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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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* irdp_{interface,main}.c: lists typedef removal cleanup.
update some list loops to LIST_LOOP. some miscellaneous style
and indent fixups.
(no_ip_irdp_address_preference_cmd) Fix delete of referenced node
in loop.
* irdp_packet.c: (irdp_recvmsg) Fix buggy assignment of integer
to pointer.
* if_ioctl{,_solaris}.c: lists typedef removal cleanup.
update some list loops to LIST_LOOP.
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* if_ioctl_solaris.c: HAVE_IPV6 ifdef fixups
* zserv.c: ditto
* ioctl_solaris.c: ditto.
* interface.c: cast for LLADDR
* interface.h: Add guards, include redistribute.h and remove
extraneous definitions of zebra_interface_{up,down}_update
* ioctl.h: Add AF_IOCTL define for non SOLARIS_IPV6
* redistribute.h: include dependent header, zserv.h
* zserv.h: include dependent header, rib.h
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* Makefile.am: support for IOCTL_METHOD, as per Sowmini's patch.
* if_ioctl_solaris.c: Fixup some erroneous privilege changes and
add privs.h header.
* ioctl_solaris.c: ditto
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* if_ioctl_solaris.c: Add zprivs support.
* ioctl_solaris.c: ditto.
2004-05-09 Sowmini Varadhan <sowmini.varadhan@sun.com>
* if_ioctl_solaris.c: New file, Solaris interface ioctl methods.
* ioctl_solaris.c: New file, Common solaris ioctl methods.
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