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| author | Russ White <russ@riw.us> | 2021-07-13 06:39:53 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-07-13 06:39:53 -0400 |
| commit | 000df71ccdc2e81c4d6e7c123ad0db2cbcc4f05d (patch) | |
| tree | 6fb9713c0171fa1dbaa2d327cba0d087399e42e8 /ospfd/ospf_zebra.c | |
| parent | 171b5527b971686a9c0b6449118fff2bb953b08e (diff) | |
| parent | b2a2107adee0062a422f60d9c2dc9b5888c2978f (diff) | |
Merge pull request #8767 from opensourcerouting/ospfd-gr
ospfd: introduce support for Graceful Restart (restarting mode)
Diffstat (limited to 'ospfd/ospf_zebra.c')
| -rw-r--r-- | ospfd/ospf_zebra.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/ospfd/ospf_zebra.c b/ospfd/ospf_zebra.c index 387bbc0ce9..1298a17f55 100644 --- a/ospfd/ospf_zebra.c +++ b/ospfd/ospf_zebra.c @@ -264,6 +264,14 @@ void ospf_zebra_add(struct ospf *ospf, struct prefix_ipv4 *p, struct ospf_path *path; struct listnode *node; + if (ospf->gr_info.restart_in_progress) { + if (IS_DEBUG_OSPF_GR) + zlog_debug( + "Zebra: Graceful Restart in progress -- not installing %pFX", + p); + return; + } + memset(&api, 0, sizeof(api)); api.vrf_id = ospf->vrf_id; api.type = ZEBRA_ROUTE_OSPF; @@ -323,6 +331,14 @@ void ospf_zebra_delete(struct ospf *ospf, struct prefix_ipv4 *p, { struct zapi_route api; + if (ospf->gr_info.restart_in_progress) { + if (IS_DEBUG_OSPF_GR) + zlog_debug( + "Zebra: Graceful Restart in progress -- not uninstalling %pFX", + p); + return; + } + memset(&api, 0, sizeof(api)); api.vrf_id = ospf->vrf_id; api.type = ZEBRA_ROUTE_OSPF; @@ -340,6 +356,14 @@ void ospf_zebra_add_discard(struct ospf *ospf, struct prefix_ipv4 *p) { struct zapi_route api; + if (ospf->gr_info.restart_in_progress) { + if (IS_DEBUG_OSPF_GR) + zlog_debug( + "Zebra: Graceful Restart in progress -- not installing %pFX", + p); + return; + } + memset(&api, 0, sizeof(api)); api.vrf_id = ospf->vrf_id; api.type = ZEBRA_ROUTE_OSPF; @@ -358,6 +382,14 @@ void ospf_zebra_delete_discard(struct ospf *ospf, struct prefix_ipv4 *p) { struct zapi_route api; + if (ospf->gr_info.restart_in_progress) { + if (IS_DEBUG_OSPF_GR) + zlog_debug( + "Zebra: Graceful Restart in progress -- not uninstalling %pFX", + p); + return; + } + memset(&api, 0, sizeof(api)); api.vrf_id = ospf->vrf_id; api.type = ZEBRA_ROUTE_OSPF; @@ -1180,6 +1212,36 @@ void ospf_routemap_unset(struct ospf_redist *red) ROUTEMAP(red) = NULL; } +static int ospf_zebra_gr_update(struct ospf *ospf, int command, + uint32_t stale_time) +{ + struct zapi_cap api; + + if (!zclient || zclient->sock < 0 || !ospf) + return 1; + + memset(&api, 0, sizeof(struct zapi_cap)); + api.cap = command; + api.stale_removal_time = stale_time; + api.vrf_id = ospf->vrf_id; + + (void)zclient_capabilities_send(ZEBRA_CLIENT_CAPABILITIES, zclient, + &api); + + return 0; +} + +int ospf_zebra_gr_enable(struct ospf *ospf, uint32_t stale_time) +{ + return ospf_zebra_gr_update(ospf, ZEBRA_CLIENT_GR_CAPABILITIES, + stale_time); +} + +int ospf_zebra_gr_disable(struct ospf *ospf) +{ + return ospf_zebra_gr_update(ospf, ZEBRA_CLIENT_GR_DISABLE, 0); +} + /* Zebra route add and delete treatment. */ static int ospf_zebra_read_route(ZAPI_CALLBACK_ARGS) { |