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Use the real MIB from RFC 5643. Fix used ASN1 types. Indexes are not
exported any more (they are "no access"). Fix some endian
issues. Also, ID are just integers, not IPv4 addresses.
No additional OID are supported in this commit.
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Most table handlers do not expect to be given an OID whose prefix is
outside what they can handle. This is not a problem with the SMUX
implementation since it always correct the OID such that the prefix
matches. However, this is not the case for the AgentX
implementation. A new function, smux_header_table() is used to do this
normalization.
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smux_trap() signature has been changed to provide appropriate level
information to send SNMPv2 notifications. This includes the addition
of the enterprise OID to use (from which is derived the SNMP trap OID)
and the MIB registry to locate the appropriate function for variable
bindings provided by the trap.
The SMUX implementation has been updated but ignore the provided
enterprise OID. Instead, it still uses the SMUX peer OID to keep
compatibility with previous versions of Quagga. The SMUX
implementation also ignores the provided MIB registry since it uses
smux_get() function to grab the appropriate values. This is not
possible with the AgentX implementation since there is no such
function provided by NetSNMP.
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This element was not unused.
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smux_trap() contains an argument whose use appears to be to set
sysUpTime.0/timestamp field in SNMP trap. However, this value is not
used in smux_trap(). Moreover, it is expected that this field is the
value of sysUpTime.0 when the trap was sent and not any other time
related to the trap. To avoid any confusion, we remove this field from
the signature of the function.
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--enable-snmp will enable AgentX support in Quagga. SMUX is still here
and can be enabled with --enable-snmp=smux. AgentX support can be
enabled with "agentx" in configuration file. As for SMUX, this command
is not understood by vtysh. It can be disabled with "no agentx",
though there is no real use of this since this command cannot be used
with vtysh.
If "agentx" and "no agentx" command were added to vtysh, it would not
be possible to disable agentx support after enabling it because
NetSNMP does not expose the appropriate methods for this.
The internals of AgentX are hidden by NetSNMP. Therefore, we don't
have a file descriptor to add to the threading system. We do not have
the timers to set either. Therefore, the event loop is modified to
make use of snmp_select_info() from NetSNMP.
Traps are not supported yet.
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lib/snmp.c gets OID related helper functions that can be used with
another SNMP interface. smux.h is cleaned of SMUX specific bits to
only expose functions that may be used by an alternative
implementation. We also do not redefine functions already present in
NetSNMP. Just use the appropriate headers.
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The correct method to link to NetSNMP is to use net-snmp-config (which
is like pkg-config). Explicit link to libcrypto is also dropped
(NetSNMP libs are linked to libcrypto, no need to link Quagga to
it). Moreover, @SNMP_INCLUDES@ is dropped because useless. Due to a
bug in configure.ac, it was properly populated.
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NetSNMP is the only SNMP implementation for Quagga. We don't need two
different symbols.
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Some .h files in lib/ are autogenerated. The search path should
include the build directory and the source directory. They usually
match but sometimes, they may be different. For example:
$ mkdir build
$ cd build
$ ../configure
$ make
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There was a "lsp->" missing before "level" in line 2416.
(introduced by git commit e38e0df)
Reported-by: Seblu <seblu@seblu.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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The change from bgp_node_get() to bgp_node_lookup() broke aggregation.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Tested-by: Martin Winter <mwinter@opensourcerouting.org>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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The timers are rearmed after events processing. After 6a4677b7 we
do not generate events that can rearm the holdtime timer.
Fix it's to call bgp_timer_set() directly as it's done from bgp_event().
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Tested-by: Martin Winter <mwinter@opensourcerouting.org>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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BGP tests had been broken by auto-creation of listen socket. This allows
them to run at least, though at least 1 test seems to have other breakage,
aspath_test.
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* bgpd.h: add a BGP_OPT_NO_LISTEN option for the master BGP configuration,
to prevent any listen socket being created automatically. Allows code
to be used outside of BGP daemon settings.
* bgpd.c: (bgp_get) honour above the flag, suppress auto-creation of listen
socket on first BGP instance if set.
(bgp_option_set) whitelist BGP_OPT_NO_LISTEN
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* sockunion.h: Add back sockunion_str2su, its removal breaks things needlessly
(e.g. our own unit tests).
* sockunion.c: (sockunion_str2su) implement on top of str2sockunion.
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This reverts commit 7621f336e2f346edee43227f0b1ef93fe769720b. See bug #727
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This avoids memory heap fragmentation and imposses less load on the
system memory allocator.
* thread.h: FUNCNAME_LEN defined to 64 (ISO C99 says max 63)
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
[changed FUNCNAME_LEN to a less arbitrary value]
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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thread_trim_head() already checks that the list is not empty.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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* thread.c: It's only temporarily used in thread_call() to calculate the
diffs. Saves 80 bytes per copy.
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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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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