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Philippe Guibert 7bae48960e zebra: handle nexthop vrf_id in ZEBRA_MPLS_LABELS messages 
This commit addresses the case where a service wants to install
an LSP entry to a next-hop located in a VRF instance. The incoming
MPLS packet is on the namespace and has to be directed to a nexthop
located behind an interface that sits in a specific VRF instance.
The below iproute command can illustrate:

  > ip link add vrf1 type vrf table 10
  > ip link set dev vrf1 up
  > ip link set dev eth0 master vrf1
  > ip a a 192.0.2.1/24 dev eth0
  > ip -f mpls route add 105 via inet 192.0.2.45 dev eth0

If a service uses the ZEBRA_MPLS_LABELS messages, then the LSP
message is ignored: from zebra perspective, the MPLS entries are
visible via the 'show mpls table' command, but no LSP entry is
installed in the kernel.

The issue is in the nhlfe_nexthop_active_ipv[4/6] function: the
outgoing interface mentioned in the nexthop is searched in the
main VRF, whereas the interface is in a separate VRF. The interface
is not found, and the nhlfe to install is considered not active.

To address this issue, reuse the incoming vrf_id parameter transmitted
in the nexthop structure from the ZEBRA_MPLS_LABELS message. When
creating an NHLFE entry, the vrf_id is used instead of the DEFAULT_VRF.
And the nhlfe entry can be considered as active.

One alternate solution to reuse the vrf_id parameter in the mpls network
context would be to modify the search function in nhlfe_nexthop_active..()
function: looking for an existing ifindex in the zns. However, this
solution may not fit later when netns backend would be used.

Note that some changes have not been done yet and are considered
sufficient for now:
- The 'nhlfe_find' API: the assumption is done that only the linux vrf
backend is used for now.

- The 'mpls_lsp_install()' API: It is currently used by the CLI command
which does not handle the interface parameter, and the SRTE service, whih
always sends LSPs towards a nexthop located in the VRF_DEFAULT.

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
2023-05-09 21:00:57 +02:00
..
dpdk isisd, zebra: Use array_size instead of ARRAY_SIZE 2023-03-31 13:58:47 -04:00
.gitignore *: cleanup .gitignore files 2018-09-08 21:30:42 +02:00
connected.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
connected.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
debug_nl.c *: manual SPDX License ID conversions 2023-02-09 14:09:07 +01:00
debug.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
debug.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
dplane_fpm_nl.c zebra: Use zebra_vrf_lookup_by_id when we can 2023-03-28 15:49:50 -04:00
if_ioctl.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
if_netlink.c zebra: Fix missing VRF flag 2023-05-01 20:21:37 +08:00
if_netlink.h Merge pull request #12780 from opensourcerouting/spdx-license-id 2023-02-17 09:43:05 -05:00
if_socket.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
if_sysctl.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
interface.c zebra: Fix missing VRF flag 2023-05-01 20:21:37 +08:00
interface.h Merge pull request #12959 from leonshaw/fix/zif-link-nsid 2023-04-11 16:38:33 -05:00
ioctl.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
ioctl.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
ipforward_proc.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
ipforward_sysctl.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
ipforward.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
irdp_interface.c *: Convert event.h to frrevent.h 2023-03-24 08:32:17 -04:00
irdp_main.c *: Convert event.h to frrevent.h 2023-03-24 08:32:17 -04:00
irdp_packet.c *: Convert event.h to frrevent.h 2023-03-24 08:32:17 -04:00
irdp.h *: Rename struct thread to struct event 2023-03-24 08:32:17 -04:00
kernel_netlink.c *: Convert event.h to frrevent.h 2023-03-24 08:32:17 -04:00
kernel_netlink.h Merge pull request #12780 from opensourcerouting/spdx-license-id 2023-02-17 09:43:05 -05:00
kernel_socket.c *: Convert event.h to frrevent.h 2023-03-24 08:32:17 -04:00
kernel_socket.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
label_manager.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
label_manager.h *: Convert event.h to frrevent.h 2023-03-24 08:32:17 -04:00
main.c zebra: Cleanup ctx leak on shutdown and turn off event 2023-03-31 09:09:21 -04:00
Makefile build: convert zebra/ to non-recursive build 2017-07-31 23:03:30 +02:00
netconf_netlink.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
netconf_netlink.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
redistribute.c zebra: re-install nhg on interface up 2023-05-05 14:37:52 -07:00
redistribute.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
rib.h Merge pull request #13145 from donaldsharp/do_delete 2023-04-04 21:10:54 -05:00
router-id.c zebra: Use zebra_vrf_lookup_by_id when we can 2023-03-28 15:49:50 -04:00
router-id.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
rt_netlink.c *: Convert event.h to frrevent.h 2023-03-24 08:32:17 -04:00
rt_netlink.h Merge pull request #12780 from opensourcerouting/spdx-license-id 2023-02-17 09:43:05 -05:00
rt_socket.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
rt.h Merge pull request #12780 from opensourcerouting/spdx-license-id 2023-02-17 09:43:05 -05:00
rtadv.c *: Convert event.h to frrevent.h 2023-03-24 08:32:17 -04:00
rtadv.h *: Rename struct thread to struct event 2023-03-24 08:32:17 -04:00
rtread_netlink.c Merge pull request #12780 from opensourcerouting/spdx-license-id 2023-02-17 09:43:05 -05:00
rtread_sysctl.c Merge pull request #12780 from opensourcerouting/spdx-license-id 2023-02-17 09:43:05 -05:00
rule_netlink.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
rule_netlink.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
rule_socket.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
sample_plugin.c *: Convert struct event_master to struct event_loop 2023-03-24 08:32:17 -04:00
subdir.am Merge pull request #12494 from louis-6wind/ext_admin_group 2023-02-15 09:42:03 +01:00
table_manager.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
table_manager.h *: Convert event.h to frrevent.h 2023-03-24 08:32:17 -04:00
tc_netlink.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
tc_netlink.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
tc_socket.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
testrib.conf
zapi_msg.c zebra: Use zebra_vrf_lookup_by_id when we can 2023-03-28 15:49:50 -04:00
zapi_msg.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_affinitymap.c lib,zebra: add affinity-map configuration hooks 2023-02-10 13:52:01 +01:00
zebra_affinitymap.h lib,zebra: add affinity-map configuration hooks 2023-02-10 13:52:01 +01:00
zebra_dplane.c zebra: dplane_gre_set could return while leaking ctx 2023-05-05 19:11:02 -04:00
zebra_dplane.h *: Convert struct event_master to struct event_loop 2023-03-24 08:32:17 -04:00
zebra_errors.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_errors.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_evpn_mac.c zebra:fix evpn dup detected local mac del event 2023-04-20 15:45:39 -07:00
zebra_evpn_mac.h *: Rename struct thread to struct event 2023-03-24 08:32:17 -04:00
zebra_evpn_mh.c zebra:add df flag into evpn esi json output 2023-04-28 16:04:25 -07:00
zebra_evpn_mh.h *: Rename struct thread to struct event 2023-03-24 08:32:17 -04:00
zebra_evpn_neigh.c *: Convert THREAD_XXX macros to EVENT_XXX macros 2023-03-24 08:32:17 -04:00
zebra_evpn_neigh.h *: Convert THREAD_XXX macros to EVENT_XXX macros 2023-03-24 08:32:17 -04:00
zebra_evpn_vxlan.h Merge pull request #12780 from opensourcerouting/spdx-license-id 2023-02-17 09:43:05 -05:00
zebra_evpn.c Merge pull request #12780 from opensourcerouting/spdx-license-id 2023-02-17 09:43:05 -05:00
zebra_evpn.h Merge pull request #12780 from opensourcerouting/spdx-license-id 2023-02-17 09:43:05 -05:00
zebra_fpm_dt.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_fpm_netlink.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_fpm_private.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_fpm_protobuf.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_fpm.c *: Convert event.h to frrevent.h 2023-03-24 08:32:17 -04:00
zebra_gr.c zebra: null-check client pointer during GR processing 2023-04-05 12:30:52 -04:00
zebra_l2_bridge_if.c *: Add a hash_clean_and_free() function 2023-03-21 08:54:21 -04:00
zebra_l2_bridge_if.h zebra: multiple vlan aware bridge data structure and related changes 2023-02-13 18:12:04 -05:00
zebra_l2.c Merge pull request #12780 from opensourcerouting/spdx-license-id 2023-02-17 09:43:05 -05:00
zebra_l2.h Merge pull request #12780 from opensourcerouting/spdx-license-id 2023-02-17 09:43:05 -05:00
zebra_mlag_private.c *: Convert event.h to frrevent.h 2023-03-24 08:32:17 -04:00
zebra_mlag_vty.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_mlag_vty.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_mlag.c *: Convert THREAD_XXX macros to EVENT_XXX macros 2023-03-24 08:32:17 -04:00
zebra_mlag.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_mpls_netlink.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_mpls_null.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_mpls_openbsd.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_mpls_vty.c zebra: Use zebra_vrf_lookup_by_id when we can 2023-03-28 15:49:50 -04:00
zebra_mpls.c zebra: handle nexthop vrf_id in ZEBRA_MPLS_LABELS messages 2023-05-09 21:00:57 +02:00
zebra_mpls.h Merge pull request #12780 from opensourcerouting/spdx-license-id 2023-02-17 09:43:05 -05:00
zebra_mroute.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_mroute.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_nb_config.c Merge pull request #12780 from opensourcerouting/spdx-license-id 2023-02-17 09:43:05 -05:00
zebra_nb_rpcs.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_nb_state.c Merge pull request #12780 from opensourcerouting/spdx-license-id 2023-02-17 09:43:05 -05:00
zebra_nb.c Merge pull request #12780 from opensourcerouting/spdx-license-id 2023-02-17 09:43:05 -05:00
zebra_nb.h Merge pull request #12780 from opensourcerouting/spdx-license-id 2023-02-17 09:43:05 -05:00
zebra_neigh.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_neigh.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_netns_id.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_netns_id.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_netns_notify.c *: Convert event.h to frrevent.h 2023-03-24 08:32:17 -04:00
zebra_netns_notify.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_nhg_private.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_nhg.c zebra:re-install dependent nhgs on interface up 2023-05-05 14:37:52 -07:00
zebra_nhg.h zebra: re-install nhg on interface up 2023-05-05 14:37:52 -07:00
zebra_ns.c Merge pull request #12780 from opensourcerouting/spdx-license-id 2023-02-17 09:43:05 -05:00
zebra_ns.h *: Rename struct thread to struct event 2023-03-24 08:32:17 -04:00
zebra_opaque.c *: Convert struct event_master to struct event_loop 2023-03-24 08:32:17 -04:00
zebra_opaque.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_pbr.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_pbr.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_ptm_redistribute.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_ptm_redistribute.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_ptm.c *: Convert THREAD_XXX macros to EVENT_XXX macros 2023-03-24 08:32:17 -04:00
zebra_ptm.h ripd: support BFD integration 2023-04-19 09:15:01 -03:00
zebra_pw.c zebra: Use zebra_vrf_lookup_by_id when we can 2023-03-28 15:49:50 -04:00
zebra_pw.h *: Rename struct thread to struct event 2023-03-24 08:32:17 -04:00
zebra_rib.c zebra: Reduce creation and fix memory leak of frrscripting pointers 2023-05-05 12:24:02 -04:00
zebra_rnh.c zebra: keep seg6local information from 'show ipv6 route' consistent with iproute2 2023-04-14 18:04:01 +02:00
zebra_rnh.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_routemap_nb_config.c zebra: remove checks for src address existence when using "set src" 2021-08-02 18:35:30 +03:00
zebra_routemap_nb.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_routemap_nb.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_routemap.c Merge pull request #12837 from donaldsharp/unlikely_routemap 2023-04-04 08:20:25 -04:00
zebra_routemap.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_router.c *: Convert THREAD_XXX macros to EVENT_XXX macros 2023-03-24 08:32:17 -04:00
zebra_router.h *: Convert struct event_master to struct event_loop 2023-03-24 08:32:17 -04:00
zebra_script.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_script.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_snmp.c *: Convert struct event_master to struct event_loop 2023-03-24 08:32:17 -04:00
zebra_srte.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_srte.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_srv6_vty.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_srv6_vty.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_srv6.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_srv6.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_tc.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_tc.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_trace.c zebra: Add initial zebra tracepoint support 2022-04-20 09:39:47 -04:00
zebra_trace.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_vrf.c *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_vrf.h *: auto-convert to SPDX License IDs 2023-02-09 14:09:11 +01:00
zebra_vty.c zebra: Use zebra_vrf_lookup_by_id when we can 2023-03-28 15:49:50 -04:00
zebra_vxlan_if.c *: Add a hash_clean_and_free() function 2023-03-21 08:54:21 -04:00
zebra_vxlan_if.h zebra: Fix for mcast-group update and delete per vni for svd 2023-02-13 18:12:05 -05:00
zebra_vxlan_private.h Merge pull request #12780 from opensourcerouting/spdx-license-id 2023-02-17 09:43:05 -05:00
zebra_vxlan.c zebra:return empty dict when evpn is disabled 2023-04-04 19:41:25 -07:00
zebra_vxlan.h Merge pull request #12780 from opensourcerouting/spdx-license-id 2023-02-17 09:43:05 -05:00
zserv.c zebra: remove current_afi as that it is no longer used 2023-03-29 15:40:56 -04:00
zserv.h zebra: remove current_afi as that it is no longer used 2023-03-29 15:40:56 -04:00