| Commit message (Collapse) | Author | Age | Files | Lines |
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Add functions to allocate/release SRv6 SIDs. SIDs can be allocated
either explicitly (allocate a specific SID) or dynamically (allocate any
available SID).
Signed-off-by: Carmine Scarpitta <cscarpit@cisco.com>
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Done with a combination of regex'ing and banging my head against a wall.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Add support for setting the protodown reason code.
https://github.com/torvalds/linux/commit/829eb208e80d6db95c0201cb8fa00c2f9ad87faf
These patches handle all our netlink code for setting the reason.
For protodown reason we only set `frr` as the reason externally
but internally we have more descriptive reasoning available via
`show interface IFNAME`. The kernel only provides a bitwidth of 32
that all userspace programs have to share so this makes the most sense.
Since this is new functionality, it needs to be added to the dplane
pthread instead. So these patches, also move the protodown setting we
were doing before into the dplane pthread. For this, we abstract it a
bit more to make it a general interface LINK update dplane API. This
API can be expanded to support gernal link creation/updating when/if
someone ever adds that code.
We also move a more common entrypoint for evpn-mh and from zapi clients
like vrrpd. They both call common code now to set our internal flags
for protodown and protodown reason.
Also add debugging code for dumping netlink packets with
protodown/protodown_reason.
Signed-off-by: Stephen Worley <sworley@nvidia.com>
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This commit is a part of #5853 works that add new ZAPI to
configure SRv6 locator which manages chunk prefix for
SRv6 SID IPv6 address for each routing protocol daemons.
NEW-ZAPIs:
* ZEBRA_SRV6_LOCATOR_ADD
* ZEBRA_SRV6_LOCATOR_DELETE
* ZEBRA_SRV6_MANAGER_CONNECT
* ZEBRA_SRV6_MANAGER_GET_LOCATOR_CHUNK
* ZEBRA_SRV6_MANAGER_RELEASE_LOCATOR_CHUNK
Zclient can connect to zebra's srv6-manager with
ZEBRA_SRV6_MANAGER_CONNECT api like a label-manager.
Then zclient uses ZEBRA_SRV6_MANAGER_GET_LOCATOR_CHUNK to
allocated dedicated locator chunk for it's routing protocol.
Zebra works for only prefix reservation and distribute
the ownership of the locator chunks for zcliens.
Then, zclient installs SRv6 function with
ZEBRA_ROUTE_ADD api with nh_seg6local_* fields.
This feature is already implemented by another PR(#7680).
Signed-off-by: Hiroki Shirokura <slank.dev@gmail.com>
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EC_ZEBRA_IF_LOOKUP_FAILED is no longer being used,
remove it.
Signed-off-by: Stephen Worley <sworley@nvidia.com>
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Currently the linux kernel allows you to specify the same
table id -> multiple vrf's. While I am arguing with
the kernel people about proper behavior here let's
just remove this as a possiblity from happening and
mark it a zebra stopable misconfiguration.
(Effectively we are preventing a crash down the line
as that all over FRR we assume it's a unique
mapping not a many to one).
Why fail hard? Because we hope to get the person
who misconfigured it to actually notice immediately
not hours or days down the line when shit hits the fan.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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We were not connecting the default zebra_ns to the default
ns->info at namespace initialization in zebra. Thus, when
we tried to use the `ns_walk_func()` it would ignore the
default zebra_ns since there is no pointer to it from the
ns struct.
Fix this by connecting them in `zebra_ns_init()` and,
if the default ns is not found, exit with failure
since this is not recoverable.
This was found during a crash where we fail to cancel the kernel_read
thread at termination (via the `ns_walk_func()`) and then we
get a netlink notification trying to use the zns struct that has
already been freed.
```
(gdb) bt
\#0 0x00007fc1134dc7bb in raise () from /lib/x86_64-linux-gnu/libc.so.6
\#1 0x00007fc1134c7535 in abort () from /lib/x86_64-linux-gnu/libc.so.6
\#2 0x00007fc113996f8f in core_handler (signo=11, siginfo=0x7ffe5429d070, context=<optimized out>) at lib/sigevent.c:254
\#3 <signal handler called>
\#4 0x0000561880e15449 in if_lookup_by_index_per_ns (ns=0x0, ifindex=174) at zebra/interface.c:269
\#5 0x0000561880e1642c in if_up (ifp=ifp@entry=0x561883076c50) at zebra/interface.c:1043
\#6 0x0000561880e10723 in netlink_link_change (h=0x7ffe5429d8f0, ns_id=<optimized out>, startup=<optimized out>) at zebra/if_netlink.c:1384
\#7 0x0000561880e17e68 in netlink_parse_info (filter=filter@entry=0x561880e17680 <netlink_information_fetch>, nl=nl@entry=0x561882497238, zns=zns@entry=0x7ffe542a5940,
count=count@entry=5, startup=startup@entry=0) at zebra/kernel_netlink.c:932
\#8 0x0000561880e186a5 in kernel_read (thread=<optimized out>) at zebra/kernel_netlink.c:406
\#9 0x00007fc1139a4416 in thread_call (thread=thread@entry=0x7ffe542a5b70) at lib/thread.c:1599
\#10 0x00007fc113974ef8 in frr_run (master=0x5618823c9510) at lib/libfrr.c:1024
\#11 0x0000561880e0b916 in main (argc=8, argv=0x7ffe542a5f78) at zebra/main.c:483
```
Signed-off-by: Stephen Worley <sworley@cumulusnetworks.com>
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If the lookup for an interface pointer fails when creating
the NHE, log an error message.
Signed-off-by: Stephen Worley <sworley@cumulusnetworks.com>
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We needed an error code that can be used when we
fail to install a nexthop group into the kernel/fib.
Signed-off-by: Stephen Worley <sworley@cumulusnetworks.com>
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Add the functionality to parse new nexthop group messages
from the kernel and insert them into the appropriate hash
tables. Parsing is done at startup between interface and
interface address lookup. Add functionality to parse
changes to nexthops we already have. Add functionality
to parse delete nexthop messages from the kernel and
remove them from our table.
Signed-off-by: Stephen Worley <sworley@cumulusnetworks.com>
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Add an error code that indicates we received a nexthop
from the kernel that is identical to one it/we already
have other than its ID.
Signed-off-by: Stephen Worley <sworley@cumulusnetworks.com>
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Since we are using two different tables to hash the next groups with,
lets add an error message in case there is a failure to insert into
one of them. This will help to notify if the tables are not synced.
Signed-off-by: Stephen Worley <sworley@cumulusnetworks.com>
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Needed an error code for nhg messages from the kernel.
Signed-off-by: Stephen Worley <sworley@cumulusnetworks.com>
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Debian packaging when run finds a bunch of spelling errors:
I: frr: spelling-error-in-binary usr/bin/vtysh occurences occurrences
I: frr: spelling-error-in-binary usr/lib/frr/bfdd Amount of times Number of times
I: frr: spelling-error-in-binary usr/lib/frr/bgpd occurences occurrences
I: frr: spelling-error-in-binary usr/lib/frr/bgpd recieved received
I: frr: spelling-error-in-binary usr/lib/frr/isisd betweeen between
I: frr: spelling-error-in-binary usr/lib/frr/ospf6d Infomation Information
I: frr: spelling-error-in-binary usr/lib/frr/ospfd missmatch mismatch
I: frr: spelling-error-in-binary usr/lib/frr/pimd bootsrap bootstrap
I: frr: spelling-error-in-binary usr/lib/frr/pimd Unknwon Unknown
I: frr: spelling-error-in-binary usr/lib/frr/zebra Requsted Requested
I: frr: spelling-error-in-binary usr/lib/frr/zebra uknown unknown
I: frr: spelling-error-in-binary usr/lib/x86_64-linux-gnu/frr/libfrr.so.0.0.0 overriden overridden
This commit fixes all of them except the bgp `recieved` issue due to
it being part of json output. That one will need to go through
a deprecation cycle.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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Routes without nexthops don't make any sense, so we need to reject
them otherwise weird things can happen.
NOTE: blackhole routes aren't nexthop-less, they do have a single
nexthop of type NEXTHOP_TYPE_BLACKHOLE.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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labeled unicast
This commit is the last missing piece to complete BGP LU support in bgpd. To this moment, bgpd (and zebra) supported auto label assignment only for prefixes leaked from VRFs to vpn and for MPLS SR prefixes. This adds auto label assignment to other routes types in bgpd. The following enhancements have been made:
* bgp_route.c:bgp_process_main_one() now sets implicit-null local_label to all local, aggregate and redistributed routes.
* bgp_route.c:bgp_process_main_one() now will request a label from the label pool for any prefix that loses the label for some reason (for example, when the static label assignment config is removed)
* bgp_label.c:bgp_reg_dereg_for_label() now requests labels from label pool for routes which have no associated label index
* zebra_mpls.c:zebra_mpls_fec_register() now expects both label and label_index from the calling function, one of which must be set to MPLS_INVALID_LABEL or MPLS_INVALID_LABEL_INDEX, based on this it will decide how to register the provided FEC.
Signed-off-by: Anton Degtyarev <anton@cumulusnetworks.com>
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Duplicate address detection warning only action
upon an address detected as duplicate.
Signed-off-by: Chirag Shah <chirag@cumulusnetworks.com>
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Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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Convert Zebra to user error subsystem.
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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* Stop double init of ferr
* Fixup bugs in zebra ferr
* Add missing init in ospfd
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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* Use the correct license header
* Stop headers from including themselves
* Use uniform relative include conventions
* Ensure that sources include what they use
* Turn off clang-format around struct array blocks
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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