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* zebra/{rib.h,zebra_rib.c}
Add nexthop_type_to_str(), which returns a human-readable string
corresponding to a nexthop type.
* zebra/rt_netlink.[hc]
- Add new header file that exposes some existing and new
netlink-related functions from rt_netlink.c to the rest of
zebra.
addattr32
addattr_l
rta_addattr_l
nl_msg_type_to_str (new)
nl_rtproto_to_str (new)
- Use nexthop_type_to_str() instead of the static array
'nexthop_types_desc'.
Signed-off-by: Avneesh Sachdev <avneesh@opensourcerouting.org>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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* lib/zebra.h
Add macro ZEBRA_NUM_OF, which returns the number of elements in a
static array.
* zebra/rib.h
Add the rib_tables_iter_t structure and associated functions,
which allow one to walk all tables in the rib.
* zebra/zebra_rib.c
- Add vrf_id_get_next() to retrieve the first VRF id (if any) that
is greater than a given VRF id.
- Add rib_tables_iter_next().
Signed-off-by: Avneesh Sachdev <avneesh@opensourcerouting.org>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Add some code that allows us to determine which VRF and AFI/SAFI a
given RIB table corresponds to.
* zebra/rib.h
Add rib_table_info_t structure, which contains information about
the VRF, AFI and SAFI that a table is for.
* zebra/zebra_rib.c
- Add the vrf_table_create() function, which creates a table and
sets its 'info' pointer to a newly created rib_table_info_t.
The 'info' pointer allows us to go from a route_node or a table
to the associated vrf.
- vrf_alloc(): Use vrf_create_table() to create tables.
* lib/memtypes.c
Add memory type for rib_table_info_t.
Signed-off-by: Avneesh Sachdev <avneesh@opensourcerouting.org>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Add the rib_dest_t structure to hold per-prefix state in the routing
information base. This gives us an appropriate place to maintain the
queueing state of a route_node. Queuing state was previously being
stored on the first rib in the list of ribs hanging off the
route_node.
* zebra/rib.h
- Add new structure rib_dest_t.
- Remove the rn_status field from 'struct rib', it is no longer
required.
- Add macros (RNODE_FOREACH_RIB, RNODE_FOREACH_RIB_SAFE) for
walking all 'struct ribs' corresponding to a route_node. These
hide the fact that there is an intermediate rib_dest_t
structure.
- Add a few utility inlines to go between a rib_dest_t and
associated structures.
* zebra/zebra_rib.c
- rib_link()/rib_unlink()
Tweak for new behavior, where the 'info' pointer of a route_node
points to a rib_dest_t. The list of ribs for a prefix now hangs
off of the dest.
Change the way we ref count route_nodes. We now hold a single
ref count on a route_node if there is a corresponding
rib_dest_t.
- Maintain the queuing state of a route_node on the flags field of
the rib_dest_t.
- Add the rib_gc_dest() function, which deletes a rib_dest_t if it
is no longer required. A rib_dest_t can be deleted iff there are
no struct ribs hanging off of it.
- Call rib_gc_dest() any time we unlink a rib from the
rib_dest_t. Currently we only need to call it once, just before
we return from rib_process().
* zebra/{redistribute,zebra_rib,zebra_snmp,zebra_vty}.c
Use new macros to walk over route_node ribs.
* lib/memtypes.c
Add memory type for rib_dest_t.
Signed-off-by: Avneesh Sachdev <avneesh@opensourcerouting.org>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Use the array_size() helper macro. Replaces several instances of local
macros with the same definition.
Reviewed-by: Scott Feldman <sfeldma@cumulusnetworks.com>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Make static routes respect non-default routing tables.
BEFORE PATCH
------------
! in zebra.conf
table 1
! add static route
vtysh> ip route 10.0.0.0/30 eth0
cumulus@net-top0:~$ ip route
default via 192.168.0.2 dev eth0
10.0.0.0/30 dev eth0 proto zebra
192.168.0.0/24 dev eth0 proto kernel scope link src 192.168.0.15
! nothing in table 1
cumulus@net-top0:~$ ip route show table 1
AFTER PATCH
-----------
! in zebra.conf
table 1
! add static route
vtysh> ip route 10.0.0.0/30 eth0
cumulus@net-top0:~$ ip route
default via 192.168.0.2 dev eth0
192.168.0.0/24 dev eth0 proto kernel scope link src 192.168.0.15
! static route in table 1
cumulus@net-top0:~$ ip route show table 1
10.0.0.0/30 dev eth0 proto zebra
Signed-off-by: Nolan Leake <nolan@cumulusnetworks.com>
Reviewed-by: Scott Feldman <sfeldma@cumulusnetworks.com>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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* lib/sockunion.c,
* zebra/zebra_rib.c: replace ->sin.sin_addr.s_addr with sockunion2ip
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
[reworded commit message]
Signed-off-by: David Lamparter <equinox@diac24.net>
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This reverts commit af56d404cd56d94ad3b2ec3f159650eb72baef0a,
which was accidentally duplicating functionality from commit
2ea1ab1 "zebra: ZEBRA_HELLO and mopping up routes (BZ#448)"
Conflicts:
zebra/zebra_rib.c
Signed-off-by: David Lamparter <equinox@diac24.net>
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The steps were:
$ git checkout google-is-is
$ git merge quagga
$ git checkout google-is-is -- isisd
# Resolve conflicts in the following:
lib/md5.h
zebra/rt_netlink.c
zebra/zebra_rib.c
zebra/zserv.c
Note that the content in the isisd directory is left unchanged in the
merge. As a result, changes made to isisd as part of the following
commits on the quagga mainline are dropped.
# 8ced4e82 is the merge base, e96b3121 is the current quagga master
$ git log --oneline --reverse 8ced4e82..e96b3121 -- isisd
5574999 isisd: fix crash on "no router isis" (BZ#536)
8998075 isisd: raise hello rate for DIS (BZ#539)
306ca83 isisd: include hash.h, not hash.c
b82cdeb delete CVS keywords
2f65867 isisd: indent longopts array
b511468 quagga: option "-z" ("--socket <path>") added
05e54ee build: delete .cvsignore files
b4e45f6 fix zebra protocol after MP-BGP changes
7fd6cd8 isisd: fix circuit state machine
907fd95 isisd: send proper LSP after DIS election
d034aa0 isisd: fix wrong next-hops from SPF
c25eaff isisd: unexpected kernel routing table (BZ#544)
e6b03b7 isisd: implement MD5 circuit authentication
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* zebra/zebra_rib.c: Add code to clean up routes added by a client
(as identfied by 'rib type').
* zebra/zserv.[ch]: Maintain the type of the routes added by a
client on the 'zserv' structure -- assume that a given client uses
a single route type for now.
Clean up routes from a client when the client goes away (in
zebra_client_close()).
From: Josh Bailey <joshb@google.com>
Signed-off-by: Avneesh Sachdev <avneesh@opensourcerouting.org>
Signed-off-by: David Lamparter <equinox@diac24.net>
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* zebra/zebra_rib.c: (rib_queue_add, rib_queue_init) Add some more
logs and asserts.
From: Subbaiah Venkata <svenkata@google.com>
Signed-off-by: Avneesh Sachdev <avneesh@opensourcerouting.org>
Signed-off-by: David Lamparter <equinox@diac24.net>
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* zebra/rt_netlink.c:
- Pick up the hardware address of an interface when we receive a
netlink link change message. Extract code for parsing the
link-layer hardware address into a new function so we can reuse
it.
- netlink_routing_table(): Update to handle multipath routes.
- netlink_route_change(): Update to handle multipath routes. Fix
problem where the metric was not being read out.
* zebra/zebra_rib.[ch]: Extern nexthop_ipv4_ifindex_add() -- it is
now called from the netlink code.
From: Josh Bailey <joshb@google.com>
Signed-off-by: Avneesh Sachdev <avneesh@opensourcerouting.org>
Signed-off-by: David Lamparter <equinox@diac24.net>
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* Initial import of the Babel routing protocol, ported to Quagga.
* LICENCE: Update the original LICENCE file to include all known potentially
applicable copyright claims. Ask that any future contributors to babeld/
grant MIT/X11 licence to their work.
* *.{c,h}: Add GPL headers, in according with the SFLC guidance on
dealing with potentially mixed GPL/other licensed work, at:
https://www.softwarefreedom.org/resources/2007/gpl-non-gpl-collaboration.html
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This patch contains the following:
1. Addition of IPv6 SAFI_MULTICAST BGP routes into the RTM's RIB.
2. Deletion of IPv6 SAFI_MULTICAST BGP routes from the RTM's RIB.
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This patch contains the following:
1. Addition of IPv4 SAFI_MULTICAST BGP routes into the RTM's RIB.
2. Deletion of IPv4 SAFI_MULTICAST BGP routes from the RTM's RIB.
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When the same ip address is used on several interfaces,
and one of them gets deleted (or equivalent: set to down and
then address removed), rib_delete_ipv[46] will also remove
the connected route from other interfaces.
rib_delete_ipv[46] is called twice when an interface is
deleted:
- for the "ifdown" event
- for the address removal
(note: this may be specific to the netlink interface of linux)
The second call does not find the connected route to that same
ifindex anymore, but deletes similar connected routes to any
other ifindex instead.
Reason: the ifindex check is on the same level as the check
for ZEBRA_ROUTE_CONNECT/NEXTHOP_TYPE_IFINDEX. If everything
matches except for the ifindex, the "else" part (intended for
different route types) is executed, thus removing the route
from the wrong interface.
fix: move ifindex check inside the "then" part of the check
for ZEBRA_ROUTE_CONNECT/NEXTHOP_TYPE_IFINDEX. Now connected
routes to other ifindexes will not spill over to the "else"
part for different route types anymore.
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ZEBRA_HELLO message is used by routing daemons to inform zebra
what type of routes daemon will be announcing to zebra. Also
zebra uses route_type_oaths array to track which daemon announces
which protocol. Zebra mops up routes if daemon didn't for some
reason.
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adding protocols and forgetting to update zebra_rib.c currently causes
a beyond end of array access for the default distance value. fix by
making 150 the default distance for unknown routing protocols.
150 is higher than all other IGPs but lower than iBGP (200)
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* zebra/zebra_rib.c
* rib_queue_add(): indent comments and simplify debug code
* rib_queue_init(): remove unneeded assert() calls and
extra return statements
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* zebra/zebra_rib.c
* nexthop_active_update(): make local int vars unsigned
* nexthop_active_check(): return unsigned for consistency
* rib_dump(): cast time in printf format
* vrf_free(): remove unused function
* vrf_lookup_by_name(): idem
* rib_if_up(): idem
* rib_if_down(): idem
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Apply changes from commit f304cb48f0d7d0ff8f36e7aca8293141a9fa9e60
to rib_queue_add.
Also includes spelling fixes.
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zebra_rib.c: process_subq(): #ifdef out debug code.
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A static route like below: ip route 172.16.1.0/30 192.168.101.162 11
does not move properly to a new interface when the
interface used goes down. Zebra reports that it have
moved but kernel isn't informed so the route is lost.
* zebra_rib.c: (nexthop_active_update) if ifindex has changed, then the
route should be considered to have changed.
Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
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Don't need big buffer 1024 to hold IPV4 (INET_ADDRSTRLEN)
or IPv6 (INET6_ADDRSTRLEN) message.
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Do some cleanup work on recently added meta-queue code:
* use table rather than switch
* indent with quagga standard indentation
* since meta_queue_new is only used at initialization
allocation failure should be fatal.
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Simple conversion of XMALLOC/memset to XCALLOC
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2008-08-17 Stephen Hemminger <stephen.hemminger@vyatta.com>
* zebra_rib.c: (process_subq) mark static
(rib_meta_queue_add) ditto
(meta_queue_new) ditt
Signed-off-by: Paul Jakma <paul@quagga.net>
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2008-06-17 Stephen Hemminger <stephen.hemminger@vyatta.com>
* zebra_rib.c: static qualifier on local data
Signed-off-by: Paul Jakma <paul@quagga.net>
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2008-08-17 Stephen Hemminger <stephen.hemminger@vyatta.com>
* zebra_rib.c: When doing a RIB update, routes in process of removal
should be ignored. This fixes bugs where a route is removed but a
recursive route is not changed.
Signed-off-by: Paul Jakma <paul@quagga.net>
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2008-01-08 Michael Larson <mike@vyatta.com>
* zebra_rib.c: (nexthop_active_check) Replace if_is_up with
if_is_operative to solve problems with static interface
routes not behaving properly with link-detect.
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calls. Fixed.
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zebra/zebra_rib.c:nexthop_active_update())
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2007-08-06 Denis Ovsienko
* zebra_rib.c: (general) Add extra debug logging for RIB and
RIB queue.
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2007-06-25 Denis Ovsienko
* zebra_rib.c: (rib_add_ipv4_multipath) Loop through RIB
is using 'same' variable, but RIB_ENTRY_REMOVED check
is testing the constant 'rib' variable, fix. Impact
unknown at this point.
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2007-05-01 David L Stevens <dlstevens@us.ibm.com>
* (general) These changes collectively add route-map and
prefix-list support to zebra and fix a bug in "show
route-map" (with no argument).
* doc/main.texi: added route-map, prefix-list, ip protocol
and set src documentation
* lib/command.h: added PROTOCOL_NODE type
* lib/log.c: (proto_name2num) new function, protocol name to
number translation.
* lib/routemap.c: (vty_show_route_map) fixed "show route-map"
without route-map name
* lib/routemap.h: added RMAP_ZEBRA type
* lib/zebra.h: added proto_name2num() prototype
* vtysh/extract.pl.in: added VTYSH_ZEBRA flag for route-map and
plist
* vtysh/Makefile.am: added zebra_routemap.c
* vtysh/vtysh.h: added VTYSH_ZEBRA flag to VTYSH_RMAP
* zebra/connected.c: (connected_up_ipv4) added src preference argument
to rib_add_ipv4()
* zebra/kernel_socket.c: (rtm_read) ditto
* zebra/main.c: added prefix list initialization
* zebra/Makefile.am: added zebra_routemap.c source file
* zebra/rib.h: added generic address union "g_addr" and use in
existing places that had an explicit union.
Added "src" to struct nexthop.
Added preferred src arg to nexthop_ipv4_add and rib_add_ipv4.
* zebra/rt_netlink.c: (netlink_routing_table) set preferred source on
netlink messages.
(netlink_route_change) ditto
(netlink_route_multipath) ditto.
* zebra/rtread_getmsg.c: (handle_route_entry) added (NULL) src to
rib_add_ipv4() call.
* zebra/rtread_proc.c: (proc_route_read) ditto
* zebra/zebra_rib.c: (nexthop_ipv4_add) add src argument.
(nexthop_ipv4_ifindex_add) ditto
(rib_add_ipv4) ditto
(nexthop_active_check) Add route-map processing.
* zebra/zebra_routemap.c: new file for zebra route-map commands.
* zebra/zebra_vty.c: (ip_protocol_cmd) Apply route-map to protocol
(vty_show_ip_route_detail) added "src" printing
(vty_show_ip_route) ditto
(show_ip_protocol_cmd) new command, list routemaps.
(config_write_protocol) write out routemap protocl config.
(zebra_vty_init) Install the new routemap protocol commands.
* zebra/zserv.c: (zread_ipv4_add) added (NULL) src arg
(zebra_init) init zebra route-maps.
* zebra/zserv.h: add zebra_route_map_init
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2006-12-08 Piotr Chytla <pch@packetconsulting.pl>
* zebra_rib.c: (static_install_ipv{4,6}) Case where existing
RIB is updated must explicitely rib_addqueue the route_node,
to ensure the update actually takes effect.
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2006-07-27 Paul Jakma <paul.jakma@sun.com>
* rib.h: (struct rib) Add a route_node rn_status flag field,
this has to be copied every time head RIB of a route_node
changes.
Remove the rib lock field, not needed - see below.
Add a status field for RIB-private flags.
* zebra_rib.c: Add a global for the workqueue hold time, useful
for testing.
(general) Fix for bug #268. Problem originally
detailed by Simon Bryden in [quagga-dev 4001].
Essentially, add/delete of a RIB must happen /before/ the
queue. Best-path selection (ie rib_process) and reaping of
freed RIBs can then be done after queueing. Only the route_node
is queued - no important RIB state (i.e. whether a RIB is to be
deleted) is queued.
(struct zebra_queue_node_t) Disappears, no longer need to
track multiple things on the queue, only the route_node.
(rib_{lock,unlock}) removed, RIBs no longer need to be
refcounted, no longer queued.
(rib_queue_qnode_del) Removed, deleted RIBs no longer deleted
via the queue.
(rib_queue_add_qnode) deleted
(rib_queue_add) Only the route_node is queued for best-path
selection, we can check whether it is already queued or
not and avoid queueing same node twice - struct rib * argument
is not needed.
(rib_link/unlink) (un)link RIB from route_node.
(rib_{add,del}node) Front-end to updates of a RIB.
(rib_process) Reap any deleted RIBs via rib_unlink.
Unset the route_node 'QUEUED' flag.
(General) Remove calls to rib_queue_add where add/del node was
called - not needed, update calls where not.
Ignore RIB_ENTRY_REMOVEd ribs in loops through route_nodes
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2006-07-27 Paul Jakma <paul.jakma@sun.com>
* {ioctl,kernel}_null.c: Dummy/Null kernel method implementations,
useful for testing zebra code that calls such methods.
* {redistribute,misc}_null.c: Dummy/Null methods, as above. But
for zclient, and for various misc functions.
* test_main.c: Test harness for zebra, currently just to test the
RIB.
* Makefile.am: Build testzebra using above.
* zebra_rib.c: Add a global for the workqueue hold time, useful
for testing.
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2006-07-27 Rumen Svobodnikov <rumen@telecoms.bg>
* connected.c: (connected_up_ipv4) interface connected routes always
go to table main (or otherwise they cannot be used by linux as
nexthops)
* zserv.c: (zread_ipv4_add) send route to the correct routing table
* zebra_rib.c (static_install_ipv4) set routing table
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2006-07-02 Paul Jakma <paul.jakma@sun.com>
* rt_netlink.c: (netlink_interface_addr) Fix CID #104, can not
proceed if addr is NULL.
* zebra_rib.c: (static_add_ipv6) Fix CID #18, double check
required arguments are supplied for the given nexthop type.
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2006-01-30 Paul Jakma <paul.jakma@sun.com>
* zebra_rib.c: (rib_process) Fourth time lucky on this jinxed
commit, last commit had a hole that could allow connected
route selection to escape beyond the connected route logic.
This time I cross-checked with Gunnar first. ;)
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2006-01-25 Gunnar Stigen <gunnar.stigen@axxessit.no>
* zebra_rib.c: (rib_process) Application of Gunnar's earlier
metric selection RIB change included incorrect tidy-ups made
by commiter. Fix. (NB: any errors here are again due to paul).
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2006-01-19 Paul Jakma <paul.jakma@sun.com>
* (general) various miscellaneous compiler warning fixes.
Remove redundant break statements from switch clauses
which return.
return from main, not exit, cause it annoys SOS.
Remove stray semi-colons which cause empty-statement
warnings.
* zebra/main.c: (sighup) remove private declaration of external
function.
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* zebra_rib.c: Take interface metric into account.
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* zebra_rib.c: (rib_process) convert to new workqueue specs and
shut up gcc, which complains about cast from void via
function parameters, for some dumb reason. Do the cast
inside the function instead.
(rib_queue_qnode_del) ditto.
(rib_queue_init) no need for the casts anymore.
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