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Reduce indirection for values that doesn't change in the loop.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
[adjusted after dropping previous patch]
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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If there were no aggregates configured this functions were allocating
and freeing a struct bgp_node for every call, and it's called for every
prefix received.
* bgp_route.c: Bail out early if the there are no aggregates configured.
Change from bgp_node_get() to bgp_node_lookup() that does not allocate
a new struct bgp_node if not found.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Avoids 3 checks per call.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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* bgp_packet.c: (bgp_update_receive) for every update received we queue
an event just to cancel the holdtime timer, done in bgp_fsm_update().
Instead cancel the timer directly an avoid a scheduling pass.
This incidently fixes another problem found on a slow box, where thousands
of events threads were queued, and run, but never freed, because they are
moved to the unused list that grows without bounds.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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It's initialized below
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Try to use on stack structs for temporary uses.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Reduce memory heap fragmentation and pressure on the memory allocator.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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The call to bgp_attr_default_set() above creates the attr_extra struct,
but the attr.extra = NULL initialization was leaking it.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Reduce memory heap fragmentation and pressure on the memory allocator.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Reduce memory heap fragmentation and pressure on the memory allocator.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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* bgp_attr.c: (bgp_attr_default_intern) bgp_attr_default_set() already
initializes the memory. Fixes a struct attr_extra leak.
* bgp_route.c: Remove useless on stack struct initializations.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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* bgp_route.c: (bgp_info_cmp) Reduce indirections, precalculate some
values that are used several times, reduce conditionals.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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This change reduces loop count. Less jumps.
* bgp_community.c: One loop per community.
* bgp_ecommunity.c: One loop per ecommunity.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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peer_sort() it's called so much as to be annoying. In the assumption
that the 'sort' of the peer doesn't change during an established session,
I have changed all calls to peer_sort() in the 'fast-path' to only check
the 'sort'. All the calls from the vty and such still recalculate the sort
and store it in the peer.
There's a lot of other calls to peer_sort() that could be changed but some
maube tricky, someone more knowledgeable may try to reduce them.
This hits peer_sort() from 5th out of the stadium^H^H list on a full
internet table loading profiling session.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Just the first change pushes bgp_update_receive() from 6th to ~14th on a
full internet table load profiling session.
* bgp_debug.c: (bgp_update_receive) The attrstr initialization is expensive,
moved under the debug conditional where it is used and just initialize the
first char to NULL.
(bgp_update_default_send) Initialize attrstr needed for bgp_dump_attr().
Moved some buffers used for printing IP[4|6] addresses under the debug
conditionals that use them and reduced its size.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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This function scores 2nd, profiling a full internet table load. It's called
for every prefix received.
Instead of looping in the interface lists comparing addresses use a hash
to mantain them.
* bgpd.c: Init the own address hash.
* bgp_nexthop.c: Introduce methods to maintain an own address hash.
(bgp_connected_add) add addresses to the hash.
(bgp_connected_delete) delete addresses from the hash.
(bgp_nexthop_self) lookup addresses in the hash. Removed the unused afi_t
parameter.
* bgp_route.c: (bgp_update_main) Micro-optimization, rearranged condition to
not lookup the hash for bogus nexthops (0.0.0.0 or a class D/E address)
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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* bgp_aspath.h: Add str_len to struct aspath.
* bgp_aspath.c: Save the aspath string representation length and use it
instead of strlen().
(aspath_make_str_count) assign the string buffer directly for
consistency with the string length and change the return type to void.
(aspath_dup) use str_len and copy the string instead of calling
aspath_make_str_count().
(assegment_data_new) change from XCALLOC to XMALLOC. All users initialize
the memory before use.
(assegment_data_free) unused, removed.
(aspath_intern) check that there's always a ->str pointer.
(aspath_hash_alloc) reuse assegments and string representation instead of
copying them.
(aspath_parse) now aspath_hash_alloc does not dupes memory, free the
temporary structures only if the aspath it is in the hash.
(aspath_cmp_left) remove useless NULL initialization.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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bgp_afi_node_get() expects a non-NULL prd for a SAFI_MPLS_VPN prefix.
* bgp_route.c: pass down the struct prefix_rd from bgp_soft_reconfig_in()
and bgp_soft_reconfig_rsclient().
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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ospfd was crashing some times on neighbour going down. The cause was that
ospf_nsm_event() was accessing already freed memory in ospf_nbr_delete()
call from ospf_nsm_event().
What happens is that since commit b5043aab (lib: fix incorrect thread
list...) now a thread can be on the event and ready lists but
thread_cancel_event() doesn't account for that.
* thread.c: (thread_cancel_event) loop on the ready list too to cancel
pending events.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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* command.c: (cmd_ipv6_match) Drop IPv6 address recognition
heuristics and solely rely on inet_pton, because strings
like "abcd" were mistaken for IPv6 addresses.
This affects e.g. the command "neighbour WORD peer-group",
which won't work with words consisting of up to 4 characters
between 'a' and 'f' and digits.
From: Roman Hoog Antink <rha@open.ch>
[full delete instead of #if 0]
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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let's ground the rtadv.h file if route advertisements are disabled. And
fix up the CLI for it, as well as move the "show ip mroute" to its
proper place.
* zebra/rtadv.h: #ifdef RTADV
* zebra/main.c: #ifdef RTADV
* zebra/zebra_vty.c: move "show ip mroute" out of #ifdef IPV6
From: Joachim Nilsson <troglobit@gmail.com>
[moved #ifdef RTADV to rtadv.h]
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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The SAFI_MULTICAST RIB needs to contain Connected routes so that the
nexthop lookup does not fail and so that multicast routing daemons do
not need to sidestep and look into SAFI_UNICAST to be aware of connected
subnets.
* zebra/connected.c: add & delete connected in SAFI_MULTICAST
Signed-off-by: G.Balaji <balajig81@gmail.com>
[merged add/delete patches]
Signed-off-by: David Lamparter <equinox@diac24.net>
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The memory is always written before sending. Clearing it before use
slows netlink_route_multipath() down considerably and it's pretty
noticeable in a full-internet table scenario loading.
* zebra/rt_netlink.c: subtract bulk buffer size from clear
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
[reworded commit message]
Signed-off-by: David Lamparter <equinox@diac24.net>
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Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@diac24.net>
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Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@diac24.net>
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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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sockunion_str2su() use is prone to memory leaks. Remove it's use all over
the code.
At least these commands leaked a sockunion union:
- show ip bgp vpnv4 ... routes
- show ip bgp ... received prefix-filter
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@diac24.net>
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Use of this function is prone to memory leaks.
This fixes a memory accounting bug for vty denied connections.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@diac24.net>
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A route-map with the mentioned statement causes a memory leak for every
prefix that matches.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@diac24.net>
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A route-map with a 'match peer local' statement it's shown like
'match peer (null)' on config output...
... and it's unparsable on daemon startup.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@diac24.net>
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Metrics are unsigned values.
* bgpd/bgp_{debug,route,vty}.c,
* zebra/zebra_vty.c: replace %d with %u for metrics & distances
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
[reworded commit message]
Signed-off-by: David Lamparter <equinox@diac24.net>
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* bgp_attr.c: (bgp_attr_unknown) total should be initialised from the args.
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* Separate out BGP socket initialisation from bgp_get, and make it an
explicit function. Allows unit tests to work again and probably also
benefits dry-run.
* bgpd.c: (bgp_get) move socket init out...
(bgp_socket_init) to here
* bgp_main.c: and call it after dry-run.
* bgpd.h: (bgp_socket_init) add prototype
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* aspath_test.c: match changes in aspath_unintern. Fix printf size_t warning.
* bgp_capability_test.c: compile warnings.
* bgp_mp_attr_test.c: update for attr parser context struct
* ecommunity_test.c: ecommunity_free/ecommunity
* test-checksum.c: some unused vars and funcs without need of prototypes.
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This reverts commit d78e2b8b562f8496aaf2977f7371415b71e82433. Next 2
commits fix it.
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it doesn't compile currently; it'll be fixed after the 0.99.21 release.
* tests/bgp_mp_attr_test.c: wrap in #if 0 for now
Signed-off-by: David Lamparter <equinox@diac24.net>
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* redhat/*.service: add systemd service file for each routing daemon
* redhat/quagga.sysconfig: add comment about watchquagga and systemd
* redhat/Makefile.am: add systemd service files to distribution
Signed-off-by: David Ward <david.ward@ll.mit.edu>
Signed-off-by: David Lamparter <equinox@diac24.net>
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Taken from Fedora packaging with additional fixes.
* redhat/*.init: make all initscripts LSB-compliant;
store the daemon configuration file location in $CONF_FILE,
and perform existence testing before starting the daemon
* redhat/babeld.init: add initscript for Babel routing engine
* redhat/quagga.sysconfig: add command-line options for babeld;
remove the daemon configuration file locations from $*_OPTS;
clarify directions for configuring watchquagga
* redhat/Makefile.am: add babeld.init to distribution
Signed-off-by: David Ward <david.ward@ll.mit.edu>
Signed-off-by: David Lamparter <equinox@diac24.net>
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Signed-off-by: David Ward <david.ward@ll.mit.edu>
Signed-off-by: David Lamparter <equinox@diac24.net>
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Taken from Fedora packaging.
Signed-off-by: David Ward <david.ward@ll.mit.edu>
Signed-off-by: David Lamparter <equinox@diac24.net>
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Signed-off-by: David Ward <david.ward@ll.mit.edu>
Signed-off-by: David Lamparter <equinox@diac24.net>
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Signed-off-by: David Ward <david.ward@ll.mit.edu>
[changed /usr/bin/perl to /usr/bin/env perl]
Signed-off-by: David Lamparter <equinox@diac24.net>
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the BGP multipath code was developed against a pre-f6f434b Quagga where
bgp_attr_unintern and ecommunity_free took single-star pointers. They
now take double-star pointers.
* bgpd/bgp_mpath.c: fix up bgp_attr_unintern & ecommunity_free calls.
Signed-off-by: David Lamparter <equinox@diac24.net>
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In upstream babel, we include different kernel_foo files depending on the
platform we compile for. In Quagga, this is not needed, and it avoids
tricky autotools issues. (All autotools issues are tricky.)
[David: without this commit, build breaks.]
From: Juliusz Chroboczek <jch@pps.jussieu.fr>
Signed-off-by: David Lamparter <equinox@diac24.net>
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babeld wouldn't build in a dist tarball without this.
From: Denis Ovsienko <infrastation@yandex.ru>
Signed-off-by: Juliusz Chroboczek <jch@pps.jussieu.fr>
[fixed up git message]
Signed-off-by: David Lamparter <equinox@diac24.net>
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continually changing the zserv protocol without bumping up the version
number has made it impossible to talk to zebra without knowing the exact
version. in reality, increasing the version number more often guards
against inadvertedly running incompatible versions of a daemon and zebra
as well as aids external development.
* lib/zclient.h: #define ZSERV_VERSION 2
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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