Daniel Walton [Thu, 14 Sep 2017 18:07:30 +0000 (18:07 +0000)]
*: support keywords that begin with uppercase letter
Signed-off-by: Daniel Walton <dwalton@cumulusnetworks.com>
VARIABLE tokens must be all uppercase, this allows us to support WORD
tokens that begin with an uppercase letter. The "Null0" keyword is an
example of where this is needed.
The only VARIABLE we had that wasn't already all uppercase was
ASN:nn_or_IP-address:nn
Donald Sharp [Thu, 14 Sep 2017 14:28:04 +0000 (10:28 -0400)]
pimd: Add new 'debug pim nht rp' command
All the rp debugs were a mish-mash of TRACE or ZEBRA,
but the reality they were all focused on handling NHT
issues associated with the RP's. So let's create
a new debug 'debug pim nht rp' if you are having
issues with RP's.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Quentin Young [Wed, 13 Sep 2017 14:39:13 +0000 (10:39 -0400)]
lib, doc: increase maximum cli tokens
When matching user input against a CLI graph, we keep a stack of tokens
matched. Stack size was limited to 64, making the effective number of
tokens that could be entered on a line 64. This is too limiting in some
circumstances, so bump it to 256 (and document it).
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
Donald Sharp [Wed, 13 Sep 2017 13:46:28 +0000 (09:46 -0400)]
ospf6d: Fix crash in prefix-list handling
Commit 427f8e61bb711b51 introduced prefix list callbacks
to handle when a prefix list is changed. Unfortunately
if you have ospf6 running but not configured it crashes.
Modify ospf6d to not crash when we are not properly configured
yet for prefix-lists handling.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Donald Sharp [Wed, 13 Sep 2017 13:14:46 +0000 (09:14 -0400)]
bgpd: Fix warning introduced by PR #1133
I am merely fixing the compiler warning. I do not
understand what the as value should be for output
to the end user or where it should be retrieved
from.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Daniel Walton [Tue, 12 Sep 2017 18:03:07 +0000 (11:03 -0700)]
zebra: api.vrf_id should be re->vrf_id
Signed-off-by: Daniel Walton <dwalton@cumulusnetworks.com> Reviewed-by: Donald Sharp <sharpd@cumulusnetworks.com>
This fixes route redistribution for VRFs
Don Slice [Thu, 7 Sep 2017 19:43:27 +0000 (19:43 +0000)]
bgpd: fix show ip bgp vrf <vrf> nexthop
Problem with not finding the correct bgp instance when doing the command
"show ip bgp vrf <vrf> nexthop" resolved by setting up the arg values
correctly. Manual testing fine. bgp-smoke had no new failures.
Ticket: CM-17454 Signed-off-by: Don Slice <dslice@cumulusnetworks.com> Reviewed-by: CCR-6664
Once ldpd allocated label 48 for a given FEC, all subsequent requests
for a new label would return the same value (48). The problem is that
we were left shifting an uint32_t value up to 64 times, losing important
information.
Donald Sharp [Mon, 11 Sep 2017 17:29:24 +0000 (13:29 -0400)]
zebra: Fix rib_update_table
We should only be operating RIB_UPDATE_IF_CHANGE on
types that zebra has control of. We assume that
the calling routing protocol is going to take care
of their own route changes based upon the interface
state change.
Also try to re-organize the code a tiny bit to allow
it to fit better within a tabed world.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Andreas Jaggi [Fri, 8 Sep 2017 11:46:20 +0000 (07:46 -0400)]
bgpd: Fix AS_PATH size calculation for long paths
If you have an AS_PATH with more entries than
what can be written into a single AS_SEGMENT_MAX
it needs to be broken up. The code that noticed
that the AS_PATH needs to be broken up was not
correctly calculating the size of the resulting
message. This patch addresses this issue.
This patch was built from an email that Andreas
sent to the dev alias for FRRouting.
Fixes: #1114 Signed-off-by: Andreas Jaggi <aj@open.ch> Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
zebra: allow multiple connected routes for the same prefix
With unnumbered interfaces on Linux we have the same IP address configured
on several different interfaces and hence multiple connected routes for
the same prefix.
With that said, add an exception in rib_add() to allow zebra to keep
track of all connected routes. We don't need to worry about the bugs
reported in a3d18ce because connected routes are always added from the
connected_up() function, and connected_update() already takes care of
handling duplicate addresses per interface.
Donald Sharp [Thu, 7 Sep 2017 15:14:30 +0000 (11:14 -0400)]
pimd: We do not need to BINDTODEVICE for default vrf
The changes introduced in PR #1044 caused pim to notice
when a setsockopt call failed. The kicker here is that
this used to just work because we ignored the issue
pre. So VRF's need to BINDTODEVICE to get igmp callbacks
but the default vrf does not need to do so.
With the fix we now see IGMP group join:
root@dell-s6000-02 ~/frr# vtysh -c "show ip igmp group"
Interface Address Group Mode Timer Srcs V Uptime
br1 20.0.11.1 232.2.3.4 EXCL 00:04:14 1 3 00:00:05
Fixes: #1121 Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
David Lamparter [Thu, 7 Sep 2017 13:19:06 +0000 (15:19 +0200)]
bgpd: rip out bgp_attr_deep_dup(), fix table-map
bgp_attr_deep_dup is based on a misunderstanding of how route-maps work.
They never change actual data, just pointers & fields in "struct attr".
The correct thing to do is copy struct attr and call bgp_attr_flush()
afterwards.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
David Lamparter [Thu, 7 Sep 2017 12:24:00 +0000 (14:24 +0200)]
bgpd: kill bgp_attr_refcount()
This attempt at optimization has cost us more than a week's worth of
time on several people hunting down the subtle bug that it was missing
an increment on attr->lcommunity.
This is absolutely not worth the maintenance cost.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
Donald Sharp [Fri, 1 Sep 2017 14:28:19 +0000 (10:28 -0400)]
zebra: Allow zebra to delete self originated routes
With the change to make zebra pass routes to the kernel
with the 'correct' proto name, it caused zebra to
not properly recognize them on startup again
the next time such that the route would not
be deleted.
Modify rt_netlink.c to notice that we have a
self originated route and to properly mark
the type of route it was.
Modify rib_table_sweep to mark the nexthops
as active so that when we go to delete the
self originated routes it would properly
delete from the kernel.
Fixes: #1061 Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
If we configure a static route pointing to null0 and zebra displays
it with the 'blackhole' keyword in the running configuration, the
frr-reload.py script will have issues. Fix this by introducing the
'static_blackhole_type' enum.
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