David Lamparter [Mon, 15 Oct 2018 05:00:42 +0000 (07:00 +0200)]
debianpkg: strip ancient/unused cruft
The SNMP MIB directory is unneeded, --enable-poll has been long gone,
the "build" target is straight up wrong (causing FRR to be built in the
install step) and we haven't needed /proc for configure in ages either.
Signed-off-by: David Lamparter <equinox@diac24.net>
David Lamparter [Thu, 24 Aug 2017 14:09:48 +0000 (16:09 +0200)]
lib: add libunwind support for backtraces
libunwind provides an alternate to backtrace() for printing out the call
stack of a particular location. It doesn't use the frame pointer, it
goes by the DWARF debug info. In most cases the traces have exactly the
same information, but there are some situations where libunwind traces
are better.
(On some platforms, the libc backtrace() also uses the DWARF debug info
[e.g.: ARM backtraces are impossible without it] but this is not the
case everywhere, especially not on BSD libexecinfo.)
Signed-off-by: David Lamparter <equinox@diac24.net>
Donald Sharp [Wed, 17 Oct 2018 15:27:30 +0000 (11:27 -0400)]
bgpd: Fix crash when using v4 route w/ v6 nexthop
Recent changes to the nht code in bgp caused us to actually
keep a true count of v6 nexthop paths when using v4 over v6.
This change introduced a race condition on shutdown on who
got to the bnc cache first( the v4 table or not ). Effectively
we were allowing the continued existence of the path->nexthop
pointing to the freed bnc. This was especially true when
we had route leaking. So when we free the bnc make sure
we clean up the path->nexthop variables pointing at it too.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Donald Sharp [Mon, 15 Oct 2018 15:41:39 +0000 (11:41 -0400)]
bgpd: The l2vni list compare function does not sort
The purpose of adding a l2vni as an sorted list is
shot in the foot when the l2vni compare function only
returns 0 or 1. This will cause subtle crashes when
we add sorted and we end up with multiple list node pointing
to the same thing.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Chirag Shah [Thu, 11 Oct 2018 16:08:37 +0000 (09:08 -0700)]
ospf6d: fix ospf6 crash in inp lsa processing
Use ospf6_prefix_same for comparing two exact same prefix
to determine ECMP for a route.
ospf6_route_cmp expects two different prefix rather
being exactly same.
Ticket:CM-22630
Testing Done:
performed ECMP of intra network prefix route via
sending same route via different available
ospf6 paths.
Signed-off-by: Chirag Shah <chirag@cumulusnetworks.com>
Add the '[no] flood <disable|head-end-replication>' command
to the l2vpn evpn afi/safi sub commands for bgp. This command
when entered as 'flood disable' will turn off type 3 route
generation for the transmittal of the type 3 route necessary
for BUM replication on the remote VTEP. Additionally it will
turn off the BUM handling via the new zebra command,
ZEBRA_VXLAN_FLOOD_CONTROL.
Signed-off-by: Vivek Venkatraman <vivek@cumulusnetworks.com> Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Donald Sharp [Thu, 4 Oct 2018 22:42:57 +0000 (18:42 -0400)]
lib, zebra: Allow the specification of BUM flooding
Allow the modification of whether or not we will allow
BUM flooding on the vxlan bridge. To do this allow
the upper level protocol to specify via the ZEBRA_VXLAN_FLOOD_CONTROL
zapi message.
If flooding is disabled then BUM traffic will not be forwarded
to other VTEP's.
Signed-off-by: Vivek Venkatraman <vivek@cumulusnetworks.com> Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Ameya Dharkar [Thu, 11 Oct 2018 22:35:21 +0000 (15:35 -0700)]
bgpd: BGP JSON new fields
1. "show bgp ipv4 json"
- Added "network" field which displays a prefix in 'prefix/prefixlen' format.
2. "show bgp ipv6 json"
- Added "network" field which displays a prefix in 'prefix/prefixlen' format.
- JSON does not have "prefix", "prefixLen" fields which are present in IPv4
command. Added these fields as they are useful.
Ameya Dharkar [Tue, 9 Oct 2018 18:56:46 +0000 (11:56 -0700)]
bgpd: Incorrect sent prefix count for a split subgroup
When a subgroup splits to form a new subgroup because of policy changes
for a peer, new subgroup copies adj out(state about advertised routes)
from the parent subgroup. At the same time, it should also copy
scount(advertised prefix count) to the new subgroup for the count to be
in sync with the adj_out for the subgroup.
Donald Sharp [Tue, 2 Oct 2018 20:41:30 +0000 (16:41 -0400)]
bgpd: Convert `struct bgp_info` to `struct bgp_path_info`
Do a straight conversion of `struct bgp_info` to `struct bgp_path_info`.
This commit will setup the rename of variables as well.
This is being done because `struct bgp_info` is not descriptive
of what this data actually is. It is path information for routes
that we keep to build the actual routes nexthops plus some extra
information.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Donald Sharp [Mon, 8 Oct 2018 00:47:42 +0000 (20:47 -0400)]
bgpd: Add ability to dump the bgp peerhash
The bgp->peerhash is a secretive bit of data that we use
to quickly lookup data about peers. Unfortunately
since we had not way to look at it, we had no way
of knowing if it had gotten in or out of sync.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Tore Anderson [Thu, 4 Oct 2018 11:32:20 +0000 (13:32 +0200)]
doc: correct route map match for prefix lists
This corrects the route map documentation to add the missing "prefix-list"
keyword, which is necessary when matching against a prefix list (as opposed to
an access list).
Additionally, change hyphens for underscores in the variables the user is
supposed to substitute in those commands, to prevent any confusion with the
"prefix-list" keyword itself, and also to make it more consistent with the
other documented commands (which are already using underscores).
Signed-off-by: Tore Anderson <tore@redpill-linpro.com>
bgpd: remove ip prefix from as-path, <large,ext>community-list
The existing commands "ip as-path", "ip community list", "ip extcommunity
list" & "ip largecommunity list" is used to configure both for ipv4 and
ipv6. So the prefix "ip" is removed from these commands.
All the configuration, show related configuration, show running config
& boot up with write memory is also verified with the provided fix.
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