Found some more missing code that got dropped during the
upstreaming process causing issues with things actually
working.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Every time zebra receives a ZEBRA_PW_SET, zebra should call
zebra_evaluate_rnh.
This fixes a race condition where zebra sometimes fails to install a
pseudowire that is 'up', and has a reachable next hop.
Signed-off-by: Karen Schoener <karen@voltanet.io>
Issue:
When BGP sends aggregation routes to zebra, the next hop is black hole.
Then Zebra will try to build the netlink FPM message, but there is no
next hop as it is a black hole route. Then the netlink_route_info_fill
function returns 0. In the result, zebra will crashed in
"assert(data_len)" of zfpm_build_route_updates.
This issue also happen when I create a static black hole route via
staticd.
Fix:
As the netlink message of the blackhole route is legal, it should return
success.
Signed-off-by: Richard Wu <wutong23@baidu.com>
The bgp_as_wide_bgp_identifier test can time out after
30 seconds waiting for convergence. This is of course
a problem in our test setup where we know that convergence
can fail on first startup due to load issues in the
topology. Additionally we also know that our default time
for bgp sessions is 120 seconds to retry. Give things
a bit longer than 120 seconds to actually fail
instead of 30 seconds
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
When issuing the command `match ip next-hop address`
bgp would crash. This is because the no form of the
command was making the address optional and we would
try to read data we should not be.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Add initial support to maintain client daemon registrations for
OPAQUE messages. Use the registered zapi client info to forward
copies of OPAQUE messages sent to zebra.
Signed-off-by: Mark Stapp <mjs@voltanet.io>
The zapi code processes a batch of incoming messages, using a
fifo. Hand the entire batch into the main zebra handling code,
and let it loop through the individual messages.
Divert the special OPAQUE messages from the normal processing
flow, and offer them to the new zebra_opaque module instead.
Signed-off-by: Mark Stapp <mjs@voltanet.io>
Add a mutex used to manage the list of zclients. Add a busy
counter to the zapi client session, so that we can use a
client session from another pthread.
Signed-off-by: Mark Stapp <mjs@voltanet.io>
Add the zebra_opaque module, designed to offload some opaque zapi
message processing to a new, dedicated pthread. Add to the build;
also re-sort the lists of zebra files in subdir.am.
Start, stop, and clean-up the opaque module, integrate with zebra
start and shutdown.
Signed-off-by: Mark Stapp <mjs@voltanet.io>
Add a zapi message type designed to carry opaque data. Add
'send' api, and prototype for client handler function. Also
add registration/unreg messages, so that clients can 'subscribe'
to receive these messages as they're passing through zebra.
Signed-off-by: Mark Stapp <mjs@voltanet.io>
Add utilities that init and deinit a stream_fifo - this lets us
use an on-stack fifo in some places, avoiding malloc'ing. Also
add const to some apis (no functional changes there).
Signed-off-by: Mark Stapp <mjs@voltanet.io>
Move some processing of zapi label messages so they can be
handled more efficiently. Handle zapi delete and replace
messages.
Signed-off-by: Mark Stapp <mjs@voltanet.io>
Add a 'check' api to hold the code that determines whether an LSP
can be freed or not. Replace calls to the free api with check
calls.
Signed-off-by: Mark Stapp <mjs@voltanet.io>
Handle backup nhlfes in LSP zapi messages. Capture backup info
with LSPs, capture backup info in the dataplane LSP processing.
Signed-off-by: Mark Stapp <mjs@voltanet.io>
If present in a configured nexthop_group, include
backup nexthop/nhlfe info with LSP zapi add/update
messages.
Signed-off-by: Mark Stapp <mjs@voltanet.io>
Provide a way for the data plane to indicate pseudowire
status (such as: not forwarding, AC failure).
On a data plane pseudowire install failure, data plane
sets the pseudowire status.
Zebra relays the pseudowire status to LDP.
LDP includes the pseudowire status in the LDP notification
to the LDP peer.
Signed-off-by: Karen Schoener <karen@voltanet.io>
When deleting a p2p address from an interface, include
the destination address. Without this, we don't find the
internal connected datastruct and process the delete
correctly on netlink OSes.
Signed-off-by: Mark Stapp <mjs@voltanet.io>
bgp_accept() gets called over and over again when a VRF device is
deleted out from under a bgp listener socket that is bound to it.
Prevent this by noting the error and cancelling ourselves, allowing the
vrf status code to clean up the mess when it receives word about the
change from Zebra.
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
Alpine builds have been failing for some time as a consequence of only
installing python 2 development packages when we have build scripts that
require python 3.
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
