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9782a8db773b8c5d9094eb3743aae43cc04e12f0 went with the wrong source of
truth when comments and code disagreed over whether bgp-vnc should be
enabled by default. Fix the behavior back to what it was before.
Signed-off-by: Silas McCroskey <smccroskey@cumulusnetworks.com>
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downstream packagers prefer to change defaults in a trackable way by
changing the rules file directly, rather than setting environment
variables. Use '?=' (set if not already set in the environment or on
the make cmdline) to set defaults rather than alternating between
ifeq/ifneq clauses, which is harder to follow and edit. Change any
existing `ifneq(...,0)' cases to `ifeq(...,1)', and get rid of any
ifdef/ifndefs, as ?= guarantees he value will be defined in one way or
another. This allows the old behavior of overriding via the
environment while simplifying the workflow for anyone editing or
extending the current logic and defaults.
Portability note about '?=': it is GNU-make specific, but so is
ifeq/ifneq, which is/was used in this file, and this file is specific
to debian-based system as it is, so I don't consider it to be a
problem in this case.
Added any missing defaults (WANT_SNMP, WANT_CUMULUS_NODE) and
made it so that USE_XXX is always set for the sake of consistency.
Also brought a few changes from base debianpkg/rules into the
backports versions of the files where they were missing.
Signed-off-by: Silas McCroskey <smccroskey@cumulusnetworks.com>
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bgpd: fix output of show bgp vrf all neighbor x.x.x.x
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Problem reported with output of the command "show bgp vrf all
neighbor x.x.x.x" not limiting the output to that peer in any vrf.
This fix corrects the logic to display by neighbor
(ipv4/ipv6/interface) in any vrf.
Ticket: CM-17377
Signed-off-by: Don Slice <dslice@cumulusnetworks.com>
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ospfd: Fix default-info and redis cmd options
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Fix default-information parsing of metric-type,
route-map.
show running to display metic-type 2.
metric, metric-type and route-map can be configured in
any order, running-config displays in specific order..
Signed-off-by: Chirag Shah <chirag@cumulusnetworks.com>
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Mem leaks zebra
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zebra: Fix to get correct nexthop-vrf
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Zebra stores routes coming from the kernel for non-default
tables. This information on shutdown was being leaked
because we never cleaned it up. Allow for this to happen
now.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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doc: minor cleanup of bgp vpnvX and remove encap safi references
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Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com.
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The error handling of the nexthop vrf and the vrf
for what was specified on the cli was not as clean
as it should have been.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Signed-off-by: Lou Berger <lberger@labn.net>
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Signed-off-by: Lou Berger <lberger@labn.net>
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zebra: Fix failure to parse src
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Revert "bgpd: disallow invalid config at cli layer"
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If src happens to point at all 0's due to not initializing
it and if the address passed in is not a v6 address then
we would not set src in the AF_INET6 call and would
fail the (src.ipv4.s_addr && inet_pton(AF_INET...)
call. Thus causing us to return a NULL and make
the routemap code think there was an issue.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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ospfd: show ip ospf neighbor json output format
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The nexthop_vrf should be looked up as appropriate,
If the nexthop_vrf was specified use that, else
use the vrf context of what was passed in.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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This reverts commit a174be631a14e0271fde6858fcb4d7ab55165014.
Turns out we need that variable to accept peer groups.
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Southbound pointer
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bgpd: remove poorly located bestpath json output
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FRR pthread improvements
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zebra: Fix crash in ptm code
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The bestpath multipath-relax setting was added to the output of
"show ip bgp neighbor json" several months ago but this is not
the correct place to display that information and this fix removes
it from there. The multipath-relax setting was also added
to the output of "show ip bgp sum json" which is fine.
Signed-off-by: Don Slice <dslice@cumulusnetworks.com>
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bgpd: fix race condition causing occasional assert
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ospfd: clean up route map prefixlist vrf during exit
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ospfd: allow multiple options in the redistribute command
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The code change to switch from stream_getX to STREAM_GETX added
a goto statement to be handled for a failure case. The failure
case was properly handled but the normal case was not tested
properly and there exists a situation where we would free
the out_ctxt 2 times. Prevent that from happening.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Call Route-map, prefix-list clean up routines and
vrf clearnup during ospf daemon exit routine.
Signed-off-by: Chirag Shah <chirag@cumulusnetworks.com>
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Other variants of the redistribute command (e.g. "redistribute
<ospf|table> (1-65535) ..." already accept multiple options.
Fixes Issue #1670.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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The dest->selected_fib assignment needs to happen
after the install and should be controlled by
the southbound api return of success or failure.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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If a peer already has keepalives turned on when asking to turn them on,
return immediately. Same thing for turning them off.
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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Use the new threading facilities provided in lib/ to streamline the
threads used in bgpd. In particular, all of the lifecycle code has been
removed from the I/O thread and replaced with the default loop. Did not
do the same to the keepalives thread as it is much smaller (doesn't need
the event system).
Also cleaned up some comments to match the style guide.
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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Some work on FRR's pthread wrapper.
* Provide a built-in way to synchronize thread startup
* Make utility functions take frr_pthread * instead of its integer ID
* Pass frr_pthread * as pthread start function argument
* Correct some comment styling
* Rename some variables to match naming conventions in the file
* Change parameter ordering in stop function prototype to follow the
convention in the other functions
* Default new frr_pthreads to using a vanilla event loop
For the last point, the original goal when designing the implementation
of pthreads into FRR was to be able to use the thread.c event based
system inside pthreads. This code essentially encapuslates all the
thread.c functionality into an easy to use pthread out of the box.
Creating a new frr_pthread with a null attributes field will cause the
created frr_pthread to run a thread.c event loop. The upshot of this is
that it is now possible to safely run existing functions in a pthread in
roughly 3 lines of code. It also serves as an example / starting point
for others.
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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The route_node that we are working on is going to be interesting
to the kernel_route_rib_pass_fail. So I am setting up the
code to allow me to pass it. This will be done in a subsuquent
commit.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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ospf6d: SPF calculation w/ multiple Router LSAs originated from given Adv Router
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Cleanup some zclient code
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OSPFD: Solve Issue #1652
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If a BGP message header fails validation we send a BGP NOTIFICATION from
the I/O thread. At this time we clear the output buffer, push a
NOTIFICATION and then call the manual write function for errors. But in
between the push and the write the main thread could have pushed some
other message. Thus we need to hold the lock for the duration of the
function. TOCTTOU.
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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Issue 1652 was related to OSPF Crash on termination when ospf is
configured to flood self Opaque LSA e.g TE or RI Opaque LSA.
Analysis:
The problem resides in free_opaque_info_per_type() line 576 of
ospf_opaque.c. Once LSA flush, the function removes by calling
listnode_delete() function the opaque_info_per_type data structure.
However, this is also performed at the upper level function
ospf_opaque_type10lsa_term() which call list_delete_and_null() function.
This result into a double free pointer exception.
Solution:
Remove call to listnode_delete() calls in free_opaque_info_per_type()
function as it is done by list_delete_and_null(). Delete lines 592 - 615.
Remove also second call to ospf_opaque_type10lsa_term() in ospfd.c line 848.
Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.com>
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zebra route-leaking for static routes
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An OSPFv3 enabled Router can originate or receive
multiple Link State-IDs for Router LSAs.
As per RFC 5340 A 4.3, more than one Router LSAs,
from given Vertex is considered (as concatenated)
single large Router LSA.
Created hidden show command to simulate concatenated
large LSA from advertising/self Router LSAs.
Ticket:CM-19329
Reviewed By:
Testing Done:
Simulate 160 subinterfaces between R1 === R2--R3,
This triggers R1 and R2 to generate multiple link state
IDs for Router LSAs. During SPF calculation only aggregated
single router LSA processed and SPF tree formed.
Signed-off-by: Chirag Shah <chirag@cumulusnetworks.com>
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Abstract the code that sends the zapi message into zebra
for the turn on/off of nexthop tracking for a prefix.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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zclient_init sets the redist_default to the appropriate
value, testing it with an assert doesn't really provide
us with much of anything useful.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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The zclient->redist bitmap for vrf's was being set again
for the zclient_send_dereg_requests function. This should
be a unset on tear down.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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The zclient code can be cleaned up a tiny bit and hopefully
improve it's indentation some.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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bgpd: update last_update whenever obuf sent
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(to be consistent with last_write updates)
Signed-off-by: Lou Berger <lberger@labn.net>
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