diff options
Diffstat (limited to 'ripngd/ripng_nb_config.c')
| -rw-r--r-- | ripngd/ripng_nb_config.c | 754 |
1 files changed, 754 insertions, 0 deletions
diff --git a/ripngd/ripng_nb_config.c b/ripngd/ripng_nb_config.c new file mode 100644 index 0000000..0b1bd68 --- /dev/null +++ b/ripngd/ripng_nb_config.c @@ -0,0 +1,754 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (C) 1998 Kunihiro Ishiguro + * Copyright (C) 2018 NetDEF, Inc. + * Renato Westphal + * Copyright (C) 2023 LabN Consulting, L.L.C. + */ + +#include <zebra.h> + +#include "if.h" +#include "vrf.h" +#include "log.h" +#include "prefix.h" +#include "table.h" +#include "command.h" +#include "if_rmap.h" +#include "routemap.h" +#include "agg_table.h" +#include "northbound.h" +#include "libfrr.h" + +#include "ripngd/ripngd.h" +#include "ripngd/ripng_nb.h" +#include "ripngd/ripng_debug.h" +#include "ripngd/ripng_route.h" + +/* + * XPath: /frr-ripngd:ripngd/instance + */ +int ripngd_instance_create(struct nb_cb_create_args *args) +{ + struct ripng *ripng; + struct vrf *vrf; + const char *vrf_name; + int socket; + + vrf_name = yang_dnode_get_string(args->dnode, "./vrf"); + vrf = vrf_lookup_by_name(vrf_name); + + /* + * Try to create a RIPng socket only if the VRF is enabled, otherwise + * create a disabled RIPng instance and wait for the VRF to be enabled. + */ + switch (args->event) { + case NB_EV_VALIDATE: + break; + case NB_EV_PREPARE: + if (!vrf || !vrf_is_enabled(vrf)) + break; + + socket = ripng_make_socket(vrf); + if (socket < 0) + return NB_ERR_RESOURCE; + args->resource->fd = socket; + break; + case NB_EV_ABORT: + if (!vrf || !vrf_is_enabled(vrf)) + break; + + socket = args->resource->fd; + close(socket); + break; + case NB_EV_APPLY: + if (vrf && vrf_is_enabled(vrf)) + socket = args->resource->fd; + else + socket = -1; + + ripng = ripng_create(vrf_name, vrf, socket); + nb_running_set_entry(args->dnode, ripng); + break; + } + + return NB_OK; +} + +int ripngd_instance_destroy(struct nb_cb_destroy_args *args) +{ + struct ripng *ripng; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_unset_entry(args->dnode); + ripng_clean(ripng); + + return NB_OK; +} + +const void *ripngd_instance_get_next(struct nb_cb_get_next_args *args) +{ + struct ripng *ripng = (struct ripng *)args->list_entry; + + if (args->list_entry == NULL) + ripng = RB_MIN(ripng_instance_head, &ripng_instances); + else + ripng = RB_NEXT(ripng_instance_head, ripng); + + return ripng; +} + +int ripngd_instance_get_keys(struct nb_cb_get_keys_args *args) +{ + const struct ripng *ripng = args->list_entry; + + args->keys->num = 1; + strlcpy(args->keys->key[0], ripng->vrf_name, + sizeof(args->keys->key[0])); + + return NB_OK; +} + +const void *ripngd_instance_lookup_entry(struct nb_cb_lookup_entry_args *args) +{ + const char *vrf_name = args->keys->key[0]; + + return ripng_lookup_by_vrf_name(vrf_name); +} + +/* + * XPath: /frr-ripngd:ripngd/instance/allow-ecmp + */ +int ripngd_instance_allow_ecmp_modify(struct nb_cb_modify_args *args) +{ + struct ripng *ripng; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + ripng->ecmp = + MIN(yang_dnode_get_uint8(args->dnode, NULL), zebra_ecmp_count); + if (!ripng->ecmp) { + ripng_ecmp_disable(ripng); + return NB_OK; + } + + ripng_ecmp_change(ripng); + + return NB_OK; +} + +/* + * XPath: /frr-ripngd:ripngd/instance/default-information-originate + */ +int ripngd_instance_default_information_originate_modify( + struct nb_cb_modify_args *args) +{ + struct ripng *ripng; + bool default_information; + struct prefix_ipv6 p; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + default_information = yang_dnode_get_bool(args->dnode, NULL); + + (void)str2prefix_ipv6("::/0", &p); + if (default_information) { + ripng_redistribute_add(ripng, ZEBRA_ROUTE_RIPNG, + RIPNG_ROUTE_DEFAULT, &p, 0, NULL, 0); + } else { + ripng_redistribute_delete(ripng, ZEBRA_ROUTE_RIPNG, + RIPNG_ROUTE_DEFAULT, &p, 0); + } + + return NB_OK; +} + +/* + * XPath: /frr-ripngd:ripngd/instance/default-metric + */ +int ripngd_instance_default_metric_modify(struct nb_cb_modify_args *args) +{ + struct ripng *ripng; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + ripng->default_metric = yang_dnode_get_uint8(args->dnode, NULL); + + return NB_OK; +} + +/* + * XPath: /frr-ripngd:ripngd/instance/network + */ +int ripngd_instance_network_create(struct nb_cb_create_args *args) +{ + struct ripng *ripng; + struct prefix p; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + yang_dnode_get_ipv6p(&p, args->dnode, NULL); + apply_mask_ipv6((struct prefix_ipv6 *)&p); + + return ripng_enable_network_add(ripng, &p); +} + +int ripngd_instance_network_destroy(struct nb_cb_destroy_args *args) +{ + struct ripng *ripng; + struct prefix p; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + yang_dnode_get_ipv6p(&p, args->dnode, NULL); + apply_mask_ipv6((struct prefix_ipv6 *)&p); + + return ripng_enable_network_delete(ripng, &p); +} + +/* + * XPath: /frr-ripngd:ripngd/instance/interface + */ +int ripngd_instance_interface_create(struct nb_cb_create_args *args) +{ + struct ripng *ripng; + const char *ifname; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + ifname = yang_dnode_get_string(args->dnode, NULL); + + return ripng_enable_if_add(ripng, ifname); +} + +int ripngd_instance_interface_destroy(struct nb_cb_destroy_args *args) +{ + struct ripng *ripng; + const char *ifname; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + ifname = yang_dnode_get_string(args->dnode, NULL); + + return ripng_enable_if_delete(ripng, ifname); +} + +/* + * XPath: /frr-ripngd:ripngd/instance/offset-list + */ +int ripngd_instance_offset_list_create(struct nb_cb_create_args *args) +{ + struct ripng *ripng; + const char *ifname; + struct ripng_offset_list *offset; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + ifname = yang_dnode_get_string(args->dnode, "./interface"); + + offset = ripng_offset_list_new(ripng, ifname); + nb_running_set_entry(args->dnode, offset); + + return NB_OK; +} + +int ripngd_instance_offset_list_destroy(struct nb_cb_destroy_args *args) +{ + int direct; + struct ripng_offset_list *offset; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + direct = yang_dnode_get_enum(args->dnode, "./direction"); + + offset = nb_running_unset_entry(args->dnode); + if (offset->direct[direct].alist_name) { + free(offset->direct[direct].alist_name); + offset->direct[direct].alist_name = NULL; + } + if (offset->direct[RIPNG_OFFSET_LIST_IN].alist_name == NULL + && offset->direct[RIPNG_OFFSET_LIST_OUT].alist_name == NULL) + ripng_offset_list_del(offset); + + return NB_OK; +} + +/* + * XPath: /frr-ripngd:ripngd/instance/offset-list/access-list + */ +int ripngd_instance_offset_list_access_list_modify( + struct nb_cb_modify_args *args) +{ + int direct; + struct ripng_offset_list *offset; + const char *alist_name; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + direct = yang_dnode_get_enum(args->dnode, "../direction"); + alist_name = yang_dnode_get_string(args->dnode, NULL); + + offset = nb_running_get_entry(args->dnode, NULL, true); + if (offset->direct[direct].alist_name) + free(offset->direct[direct].alist_name); + offset->direct[direct].alist_name = strdup(alist_name); + + return NB_OK; +} + +/* + * XPath: /frr-ripngd:ripngd/instance/offset-list/metric + */ +int ripngd_instance_offset_list_metric_modify(struct nb_cb_modify_args *args) +{ + int direct; + uint8_t metric; + struct ripng_offset_list *offset; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + direct = yang_dnode_get_enum(args->dnode, "../direction"); + metric = yang_dnode_get_uint8(args->dnode, NULL); + + offset = nb_running_get_entry(args->dnode, NULL, true); + offset->direct[direct].metric = metric; + + return NB_OK; +} + +/* + * XPath: /frr-ripngd:ripngd/instance/passive-interface + */ +int ripngd_instance_passive_interface_create(struct nb_cb_create_args *args) +{ + struct ripng *ripng; + const char *ifname; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + ifname = yang_dnode_get_string(args->dnode, NULL); + + return ripng_passive_interface_set(ripng, ifname); +} + +int ripngd_instance_passive_interface_destroy(struct nb_cb_destroy_args *args) +{ + struct ripng *ripng; + const char *ifname; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + ifname = yang_dnode_get_string(args->dnode, NULL); + + return ripng_passive_interface_unset(ripng, ifname); +} + +/* + * XPath: /frr-ripngd:ripngd/instance/redistribute + */ +int ripngd_instance_redistribute_create(struct nb_cb_create_args *args) +{ + struct ripng *ripng; + int type; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + type = yang_dnode_get_enum(args->dnode, "./protocol"); + + ripng->redist[type].enabled = true; + + return NB_OK; +} + +int ripngd_instance_redistribute_destroy(struct nb_cb_destroy_args *args) +{ + struct ripng *ripng; + int type; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + type = yang_dnode_get_enum(args->dnode, "./protocol"); + + ripng->redist[type].enabled = false; + if (ripng->redist[type].route_map.name) { + free(ripng->redist[type].route_map.name); + ripng->redist[type].route_map.name = NULL; + ripng->redist[type].route_map.map = NULL; + } + ripng->redist[type].metric_config = false; + ripng->redist[type].metric = 0; + + if (ripng->enabled) + ripng_redistribute_conf_delete(ripng, type); + + return NB_OK; +} + +void ripngd_instance_redistribute_apply_finish( + struct nb_cb_apply_finish_args *args) +{ + struct ripng *ripng; + int type; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + type = yang_dnode_get_enum(args->dnode, "./protocol"); + + if (ripng->enabled) + ripng_redistribute_conf_update(ripng, type); +} + +/* + * XPath: /frr-ripngd:ripngd/instance/redistribute/route-map + */ +int ripngd_instance_redistribute_route_map_modify( + struct nb_cb_modify_args *args) +{ + struct ripng *ripng; + int type; + const char *rmap_name; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + type = yang_dnode_get_enum(args->dnode, "../protocol"); + rmap_name = yang_dnode_get_string(args->dnode, NULL); + + if (ripng->redist[type].route_map.name) + free(ripng->redist[type].route_map.name); + ripng->redist[type].route_map.name = strdup(rmap_name); + ripng->redist[type].route_map.map = route_map_lookup_by_name(rmap_name); + + return NB_OK; +} + +int ripngd_instance_redistribute_route_map_destroy( + struct nb_cb_destroy_args *args) +{ + struct ripng *ripng; + int type; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + type = yang_dnode_get_enum(args->dnode, "../protocol"); + + free(ripng->redist[type].route_map.name); + ripng->redist[type].route_map.name = NULL; + ripng->redist[type].route_map.map = NULL; + + return NB_OK; +} + +/* + * XPath: /frr-ripngd:ripngd/instance/redistribute/metric + */ +int ripngd_instance_redistribute_metric_modify(struct nb_cb_modify_args *args) +{ + struct ripng *ripng; + int type; + uint8_t metric; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + type = yang_dnode_get_enum(args->dnode, "../protocol"); + metric = yang_dnode_get_uint8(args->dnode, NULL); + + ripng->redist[type].metric_config = true; + ripng->redist[type].metric = metric; + + return NB_OK; +} + +int ripngd_instance_redistribute_metric_destroy(struct nb_cb_destroy_args *args) +{ + struct ripng *ripng; + int type; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + type = yang_dnode_get_enum(args->dnode, "../protocol"); + + ripng->redist[type].metric_config = false; + ripng->redist[type].metric = 0; + + return NB_OK; +} + +/* + * XPath: /frr-ripngd:ripngd/instance/if-route-maps/if-route-map + */ +int ripngd_instance_if_route_maps_if_route_map_create( + struct nb_cb_create_args *args) +{ + /* if_rmap is created when first routemap is added */ + return NB_OK; +} + +int ripngd_instance_if_route_maps_if_route_map_destroy( + struct nb_cb_destroy_args *args) +{ + struct ripng *ripng; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + /* + * YANG will prune edit deletes up to the most general deleted node so + * we need to handle deleting any existing state underneath and not + * count on those more specific callbacks being called individually. + */ + + ripng = nb_running_get_entry(args->dnode, NULL, true); + if_rmap_yang_destroy_cb(ripng->if_rmap_ctx, args->dnode); + + return NB_OK; +} + +static void if_route_map_modify(const struct lyd_node *dnode, + enum if_rmap_type type, bool delete) +{ + struct ripng *ripng = nb_running_get_entry(dnode, NULL, true); + + if_rmap_yang_modify_cb(ripng->if_rmap_ctx, dnode, type, delete); +} +/* + * XPath: /frr-ripng:ripng/instance/if-route-maps/if-route-map/in-route-map + */ +int ripngd_instance_if_route_maps_if_route_map_in_route_map_modify( + struct nb_cb_modify_args *args) +{ + if (args->event != NB_EV_APPLY) + return NB_OK; + + if_route_map_modify(args->dnode, IF_RMAP_IN, false); + + return NB_OK; +} + +int ripngd_instance_if_route_maps_if_route_map_in_route_map_destroy( + struct nb_cb_destroy_args *args) +{ + if (args->event != NB_EV_APPLY) + return NB_OK; + + if_route_map_modify(args->dnode, IF_RMAP_IN, true); + + return NB_OK; +} + +/* + * XPath: /frr-ripngd:ripngd/instance/if-route-maps/if-route-map/out-route-map + */ +int ripngd_instance_if_route_maps_if_route_map_out_route_map_modify( + struct nb_cb_modify_args *args) +{ + if (args->event != NB_EV_APPLY) + return NB_OK; + + if_route_map_modify(args->dnode, IF_RMAP_OUT, false); + + return NB_OK; +} + +int ripngd_instance_if_route_maps_if_route_map_out_route_map_destroy( + struct nb_cb_destroy_args *args) +{ + if (args->event != NB_EV_APPLY) + return NB_OK; + + if_route_map_modify(args->dnode, IF_RMAP_OUT, true); + + return NB_OK; +} + +/* + * XPath: /frr-ripngd:ripngd/instance/static-route + */ +int ripngd_instance_static_route_create(struct nb_cb_create_args *args) +{ + struct ripng *ripng; + struct prefix_ipv6 p; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + yang_dnode_get_ipv6p(&p, args->dnode, NULL); + apply_mask_ipv6(&p); + + ripng_redistribute_add(ripng, ZEBRA_ROUTE_RIPNG, RIPNG_ROUTE_STATIC, &p, + 0, NULL, 0); + + return NB_OK; +} + +int ripngd_instance_static_route_destroy(struct nb_cb_destroy_args *args) +{ + struct ripng *ripng; + struct prefix_ipv6 p; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + yang_dnode_get_ipv6p(&p, args->dnode, NULL); + apply_mask_ipv6(&p); + + ripng_redistribute_delete(ripng, ZEBRA_ROUTE_RIPNG, RIPNG_ROUTE_STATIC, + &p, 0); + + return NB_OK; +} + +/* + * XPath: /frr-ripngd:ripngd/instance/aggregate-address + */ +int ripngd_instance_aggregate_address_create(struct nb_cb_create_args *args) +{ + struct ripng *ripng; + struct prefix_ipv6 p; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + yang_dnode_get_ipv6p(&p, args->dnode, NULL); + apply_mask_ipv6(&p); + + ripng_aggregate_add(ripng, (struct prefix *)&p); + + return NB_OK; +} + +int ripngd_instance_aggregate_address_destroy(struct nb_cb_destroy_args *args) +{ + struct ripng *ripng; + struct prefix_ipv6 p; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + yang_dnode_get_ipv6p(&p, args->dnode, NULL); + apply_mask_ipv6(&p); + + ripng_aggregate_delete(ripng, (struct prefix *)&p); + + return NB_OK; +} + +/* + * XPath: /frr-ripngd:ripngd/instance/timers + */ +void ripngd_instance_timers_apply_finish(struct nb_cb_apply_finish_args *args) +{ + struct ripng *ripng; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + + /* Reset update timer thread. */ + ripng_event(ripng, RIPNG_UPDATE_EVENT, 0); +} + +/* + * XPath: /frr-ripngd:ripngd/instance/timers/flush-interval + */ +int ripngd_instance_timers_flush_interval_modify(struct nb_cb_modify_args *args) +{ + struct ripng *ripng; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + ripng->garbage_time = yang_dnode_get_uint16(args->dnode, NULL); + + return NB_OK; +} + +/* + * XPath: /frr-ripngd:ripngd/instance/timers/holddown-interval + */ +int ripngd_instance_timers_holddown_interval_modify( + struct nb_cb_modify_args *args) +{ + struct ripng *ripng; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + ripng->timeout_time = yang_dnode_get_uint16(args->dnode, NULL); + + return NB_OK; +} + +/* + * XPath: /frr-ripngd:ripngd/instance/timers/update-interval + */ +int ripngd_instance_timers_update_interval_modify( + struct nb_cb_modify_args *args) +{ + struct ripng *ripng; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ripng = nb_running_get_entry(args->dnode, NULL, true); + ripng->update_time = yang_dnode_get_uint16(args->dnode, NULL); + + return NB_OK; +} + +/* + * XPath: /frr-interface:lib/interface/frr-ripngd:ripng/split-horizon + */ +int lib_interface_ripng_split_horizon_modify(struct nb_cb_modify_args *args) +{ + struct interface *ifp; + struct ripng_interface *ri; + + if (args->event != NB_EV_APPLY) + return NB_OK; + + ifp = nb_running_get_entry(args->dnode, NULL, true); + ri = ifp->info; + ri->split_horizon = yang_dnode_get_enum(args->dnode, NULL); + + return NB_OK; +} |