// SPDX-License-Identifier: GPL-2.0-or-later /* * Route map northbound implementation. * * Copyright (C) 2019 Network Device Education Foundation, Inc. ("NetDEF") * Rafael Zalamena */ #include #include "lib/command.h" #include "lib/log.h" #include "lib/northbound.h" #include "lib/routemap.h" /* * Auxiliary functions to avoid code duplication: * * lib_route_map_entry_set_destroy: unset `set` commands. * lib_route_map_entry_match_destroy: unset `match` commands. */ int lib_route_map_entry_match_destroy(struct nb_cb_destroy_args *args) { struct routemap_hook_context *rhc; int rv; if (args->event != NB_EV_APPLY) return NB_OK; rhc = nb_running_get_entry(args->dnode, NULL, true); if (rhc->rhc_mhook == NULL) return NB_OK; rv = rhc->rhc_mhook(rhc->rhc_rmi, rhc->rhc_rule, NULL, rhc->rhc_event, args->errmsg, args->errmsg_len); if (rv != CMD_SUCCESS) return NB_ERR_INCONSISTENCY; return NB_OK; } int lib_route_map_entry_set_destroy(struct nb_cb_destroy_args *args) { struct routemap_hook_context *rhc; int rv; if (args->event != NB_EV_APPLY) return NB_OK; rhc = nb_running_get_entry(args->dnode, NULL, true); if (rhc->rhc_shook == NULL) return NB_OK; rv = rhc->rhc_shook(rhc->rhc_rmi, rhc->rhc_rule, NULL, args->errmsg, args->errmsg_len); if (rv != CMD_SUCCESS) return NB_ERR_INCONSISTENCY; return NB_OK; } /* * Auxiliary hook context list manipulation functions. */ struct routemap_hook_context * routemap_hook_context_insert(struct route_map_index *rmi) { struct routemap_hook_context *rhc; rhc = XCALLOC(MTYPE_TMP, sizeof(*rhc)); rhc->rhc_rmi = rmi; TAILQ_INSERT_TAIL(&rmi->rhclist, rhc, rhc_entry); return rhc; } void routemap_hook_context_free(struct routemap_hook_context *rhc) { struct route_map_index *rmi = rhc->rhc_rmi; TAILQ_REMOVE(&rmi->rhclist, rhc, rhc_entry); XFREE(MTYPE_TMP, rhc); } /* * XPath: /frr-route-map:lib/route-map */ static int lib_route_map_create(struct nb_cb_create_args *args) { struct route_map *rm; const char *rm_name; switch (args->event) { case NB_EV_VALIDATE: case NB_EV_PREPARE: case NB_EV_ABORT: /* NOTHING */ break; case NB_EV_APPLY: rm_name = yang_dnode_get_string(args->dnode, "./name"); rm = route_map_get(rm_name); nb_running_set_entry(args->dnode, rm); break; } return NB_OK; } static int lib_route_map_destroy(struct nb_cb_destroy_args *args) { struct route_map *rm; switch (args->event) { case NB_EV_VALIDATE: case NB_EV_PREPARE: case NB_EV_ABORT: /* NOTHING */ break; case NB_EV_APPLY: rm = nb_running_unset_entry(args->dnode); route_map_delete(rm); break; } return NB_OK; } /* * XPath: /frr-route-map:lib/route-map/optimization-disabled */ static int lib_route_map_optimization_disabled_modify(struct nb_cb_modify_args *args) { struct route_map *rm; bool disabled = yang_dnode_get_bool(args->dnode, NULL); switch (args->event) { case NB_EV_VALIDATE: case NB_EV_PREPARE: case NB_EV_ABORT: /* NOTHING */ break; case NB_EV_APPLY: rm = nb_running_get_entry(args->dnode, NULL, true); rm->optimization_disabled = disabled; break; } return NB_OK; } /* * XPath: /frr-route-map:lib/route-map/entry */ static int lib_route_map_entry_create(struct nb_cb_create_args *args) { struct route_map_index *rmi; struct route_map *rm; uint16_t sequence; int action; switch (args->event) { case NB_EV_VALIDATE: case NB_EV_PREPARE: case NB_EV_ABORT: /* NOTHING */ break; case NB_EV_APPLY: sequence = yang_dnode_get_uint16(args->dnode, "./sequence"); action = yang_dnode_get_enum(args->dnode, "./action") == 0 ? RMAP_PERMIT : RMAP_DENY; rm = nb_running_get_entry(args->dnode, NULL, true); rmi = route_map_index_get(rm, action, sequence); nb_running_set_entry(args->dnode, rmi); break; } return NB_OK; } static int lib_route_map_entry_destroy(struct nb_cb_destroy_args *args) { struct route_map_index *rmi; switch (args->event) { case NB_EV_VALIDATE: case NB_EV_PREPARE: case NB_EV_ABORT: /* NOTHING */ break; case NB_EV_APPLY: rmi = nb_running_unset_entry(args->dnode); route_map_index_delete(rmi, 1); break; } return NB_OK; } /* * XPath: /frr-route-map:lib/route-map/entry/description */ static int lib_route_map_entry_description_modify(struct nb_cb_modify_args *args) { struct route_map_index *rmi; const char *description; switch (args->event) { case NB_EV_VALIDATE: /* NOTHING */ break; case NB_EV_PREPARE: description = yang_dnode_get_string(args->dnode, NULL); args->resource->ptr = XSTRDUP(MTYPE_TMP, description); if (args->resource->ptr == NULL) return NB_ERR_RESOURCE; break; case NB_EV_ABORT: XFREE(MTYPE_TMP, args->resource->ptr); break; case NB_EV_APPLY: rmi = nb_running_get_entry(args->dnode, NULL, true); XFREE(MTYPE_TMP, rmi->description); rmi->description = args->resource->ptr; break; } return NB_OK; } static int lib_route_map_entry_description_destroy(struct nb_cb_destroy_args *args) { struct route_map_index *rmi; switch (args->event) { case NB_EV_VALIDATE: case NB_EV_PREPARE: case NB_EV_ABORT: /* NOTHING */ break; case NB_EV_APPLY: rmi = nb_running_get_entry(args->dnode, NULL, true); XFREE(MTYPE_TMP, rmi->description); break; } return NB_OK; } /* * XPath: /frr-route-map:lib/route-map/entry/action */ static int lib_route_map_entry_action_modify(struct nb_cb_modify_args *args) { struct route_map_index *rmi; struct route_map *map; switch (args->event) { case NB_EV_VALIDATE: case NB_EV_PREPARE: case NB_EV_ABORT: /* NOTHING */ break; case NB_EV_APPLY: rmi = nb_running_get_entry(args->dnode, NULL, true); rmi->type = yang_dnode_get_enum(args->dnode, NULL); map = rmi->map; /* Execute event hook. */ if (route_map_master.event_hook) { (*route_map_master.event_hook)(map->name); route_map_notify_dependencies(map->name, RMAP_EVENT_CALL_ADDED); } break; } return NB_OK; } /* * XPath: /frr-route-map:lib/route-map/entry/call */ static int lib_route_map_entry_call_modify(struct nb_cb_modify_args *args) { struct route_map_index *rmi; const char *rm_name, *rmn_name; switch (args->event) { case NB_EV_VALIDATE: rm_name = yang_dnode_get_string(args->dnode, "../../name"); rmn_name = yang_dnode_get_string(args->dnode, NULL); /* Don't allow to jump to the same route map instance. */ if (strcmp(rm_name, rmn_name) == 0) return NB_ERR_VALIDATION; /* TODO: detect circular route map sequences. */ break; case NB_EV_PREPARE: rmn_name = yang_dnode_get_string(args->dnode, NULL); args->resource->ptr = XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmn_name); break; case NB_EV_ABORT: XFREE(MTYPE_ROUTE_MAP_NAME, args->resource->ptr); break; case NB_EV_APPLY: rmi = nb_running_get_entry(args->dnode, NULL, true); if (rmi->nextrm) { route_map_upd8_dependency(RMAP_EVENT_CALL_DELETED, rmi->nextrm, rmi->map->name); XFREE(MTYPE_ROUTE_MAP_NAME, rmi->nextrm); } rmi->nextrm = args->resource->ptr; route_map_upd8_dependency(RMAP_EVENT_CALL_ADDED, rmi->nextrm, rmi->map->name); break; } return NB_OK; } static int lib_route_map_entry_call_destroy(struct nb_cb_destroy_args *args) { struct route_map_index *rmi; switch (args->event) { case NB_EV_VALIDATE: case NB_EV_PREPARE: case NB_EV_ABORT: /* NOTHING */ break; case NB_EV_APPLY: rmi = nb_running_get_entry(args->dnode, NULL, true); route_map_upd8_dependency(RMAP_EVENT_CALL_DELETED, rmi->nextrm, rmi->map->name); XFREE(MTYPE_ROUTE_MAP_NAME, rmi->nextrm); rmi->nextrm = NULL; break; } return NB_OK; } /* * XPath: /frr-route-map:lib/route-map/entry/exit-policy */ static int lib_route_map_entry_exit_policy_modify(struct nb_cb_modify_args *args) { struct route_map_index *rmi; struct route_map *map; int rm_action; int policy; switch (args->event) { case NB_EV_VALIDATE: policy = yang_dnode_get_enum(args->dnode, NULL); switch (policy) { case 0: /* permit-or-deny */ break; case 1: /* next */ /* FALLTHROUGH */ case 2: /* goto */ rm_action = yang_dnode_get_enum(args->dnode, "../action"); if (rm_action == 1 /* deny */) { /* * On deny it is not possible to 'goto' * anywhere. */ return NB_ERR_VALIDATION; } break; } break; case NB_EV_PREPARE: case NB_EV_ABORT: break; case NB_EV_APPLY: rmi = nb_running_get_entry(args->dnode, NULL, true); map = rmi->map; policy = yang_dnode_get_enum(args->dnode, NULL); switch (policy) { case 0: /* permit-or-deny */ rmi->exitpolicy = RMAP_EXIT; break; case 1: /* next */ rmi->exitpolicy = RMAP_NEXT; break; case 2: /* goto */ rmi->exitpolicy = RMAP_GOTO; break; } /* Execute event hook. */ if (route_map_master.event_hook) { (*route_map_master.event_hook)(map->name); route_map_notify_dependencies(map->name, RMAP_EVENT_CALL_ADDED); } break; } return NB_OK; } /* * XPath: /frr-route-map:lib/route-map/entry/goto-value */ static int lib_route_map_entry_goto_value_modify(struct nb_cb_modify_args *args) { struct route_map_index *rmi; uint16_t rmi_index; uint16_t rmi_next; switch (args->event) { case NB_EV_VALIDATE: rmi_index = yang_dnode_get_uint16(args->dnode, "../sequence"); rmi_next = yang_dnode_get_uint16(args->dnode, NULL); if (rmi_next <= rmi_index) { /* Can't jump backwards on a route map. */ return NB_ERR_VALIDATION; } break; case NB_EV_PREPARE: case NB_EV_ABORT: /* NOTHING */ break; case NB_EV_APPLY: rmi = nb_running_get_entry(args->dnode, NULL, true); rmi->nextpref = yang_dnode_get_uint16(args->dnode, NULL); break; } return NB_OK; } static int lib_route_map_entry_goto_value_destroy(struct nb_cb_destroy_args *args) { struct route_map_index *rmi; switch (args->event) { case NB_EV_VALIDATE: case NB_EV_PREPARE: case NB_EV_ABORT: /* NOTHING */ break; case NB_EV_APPLY: rmi = nb_running_get_entry(args->dnode, NULL, true); rmi->nextpref = 0; break; } return NB_OK; } /* * XPath: /frr-route-map:lib/route-map/entry/match-condition */ static int lib_route_map_entry_match_condition_create(struct nb_cb_create_args *args) { struct routemap_hook_context *rhc; struct route_map_index *rmi; switch (args->event) { case NB_EV_VALIDATE: case NB_EV_PREPARE: case NB_EV_ABORT: /* NOTHING */ break; case NB_EV_APPLY: rmi = nb_running_get_entry(args->dnode, NULL, true); rhc = routemap_hook_context_insert(rmi); nb_running_set_entry(args->dnode, rhc); break; } return NB_OK; } static int lib_route_map_entry_match_condition_destroy(struct nb_cb_destroy_args *args) { struct routemap_hook_context *rhc; int rv; if (args->event != NB_EV_APPLY) return NB_OK; rv = lib_route_map_entry_match_destroy(args); rhc = nb_running_unset_entry(args->dnode); routemap_hook_context_free(rhc); return rv; } /* * XPath: /frr-route-map:lib/route-map/entry/match-condition/interface */ static int lib_route_map_entry_match_condition_interface_modify( struct nb_cb_modify_args *args) { struct routemap_hook_context *rhc; const char *ifname; int rv; if (args->event != NB_EV_APPLY) return NB_OK; /* Check for hook function. */ if (rmap_match_set_hook.match_interface == NULL) return NB_OK; /* Add configuration. */ rhc = nb_running_get_entry(args->dnode, NULL, true); ifname = yang_dnode_get_string(args->dnode, NULL); /* Set destroy information. */ rhc->rhc_mhook = rmap_match_set_hook.no_match_interface; rhc->rhc_rule = "interface"; rhc->rhc_event = RMAP_EVENT_MATCH_DELETED; rv = rmap_match_set_hook.match_interface(rhc->rhc_rmi, "interface", ifname, RMAP_EVENT_MATCH_ADDED, args->errmsg, args->errmsg_len); if (rv != CMD_SUCCESS) { rhc->rhc_mhook = NULL; return NB_ERR_INCONSISTENCY; } return NB_OK; } static int lib_route_map_entry_match_condition_interface_destroy( struct nb_cb_destroy_args *args) { return lib_route_map_entry_match_destroy(args); } /* * XPath: /frr-route-map:lib/route-map/entry/match-condition/list-name */ static int lib_route_map_entry_match_condition_list_name_modify( struct nb_cb_modify_args *args) { struct routemap_hook_context *rhc; const char *acl; const char *condition; int rv; if (args->event != NB_EV_APPLY) return NB_OK; /* Check for hook installation, otherwise we can just stop. */ acl = yang_dnode_get_string(args->dnode, NULL); rhc = nb_running_get_entry(args->dnode, NULL, true); condition = yang_dnode_get_string(args->dnode, "../../condition"); if (IS_MATCH_IPv4_ADDRESS_LIST(condition)) { if (rmap_match_set_hook.match_ip_address == NULL) return NB_OK; rhc->rhc_mhook = rmap_match_set_hook.no_match_ip_address; rhc->rhc_rule = "ip address"; rhc->rhc_event = RMAP_EVENT_FILTER_DELETED; rv = rmap_match_set_hook.match_ip_address( rhc->rhc_rmi, "ip address", acl, RMAP_EVENT_FILTER_ADDED, args->errmsg, args->errmsg_len); } else if (IS_MATCH_IPv4_PREFIX_LIST(condition)) { if (rmap_match_set_hook.match_ip_address_prefix_list == NULL) return NB_OK; rhc->rhc_mhook = rmap_match_set_hook.no_match_ip_address_prefix_list; rhc->rhc_rule = "ip address prefix-list"; rhc->rhc_event = RMAP_EVENT_PLIST_DELETED; rv = rmap_match_set_hook.match_ip_address_prefix_list( rhc->rhc_rmi, "ip address prefix-list", acl, RMAP_EVENT_PLIST_ADDED, args->errmsg, args->errmsg_len); } else if (IS_MATCH_IPv4_NEXTHOP_LIST(condition)) { if (rmap_match_set_hook.match_ip_next_hop == NULL) return NB_OK; rhc->rhc_mhook = rmap_match_set_hook.no_match_ip_next_hop; rhc->rhc_rule = "ip next-hop"; rhc->rhc_event = RMAP_EVENT_FILTER_DELETED; rv = rmap_match_set_hook.match_ip_next_hop( rhc->rhc_rmi, "ip next-hop", acl, RMAP_EVENT_FILTER_ADDED, args->errmsg, args->errmsg_len); } else if (IS_MATCH_IPv6_NEXTHOP_LIST(condition)) { if (rmap_match_set_hook.match_ipv6_next_hop == NULL) return NB_OK; rhc->rhc_mhook = rmap_match_set_hook.no_match_ipv6_next_hop; rhc->rhc_rule = "ipv6 next-hop"; rhc->rhc_event = RMAP_EVENT_FILTER_DELETED; rv = rmap_match_set_hook.match_ipv6_next_hop( rhc->rhc_rmi, "ipv6 next-hop", acl, RMAP_EVENT_FILTER_ADDED, args->errmsg, args->errmsg_len); } else if (IS_MATCH_IPv4_NEXTHOP_PREFIX_LIST(condition)) { if (rmap_match_set_hook.match_ip_next_hop_prefix_list == NULL) return NB_OK; rhc->rhc_mhook = rmap_match_set_hook.no_match_ip_next_hop_prefix_list; rhc->rhc_rule = "ip next-hop prefix-list"; rhc->rhc_event = RMAP_EVENT_PLIST_DELETED; rv = rmap_match_set_hook.match_ip_next_hop_prefix_list( rhc->rhc_rmi, "ip next-hop prefix-list", acl, RMAP_EVENT_PLIST_ADDED, args->errmsg, args->errmsg_len); } else if (IS_MATCH_IPv6_NEXTHOP_PREFIX_LIST(condition)) { if (rmap_match_set_hook.match_ipv6_next_hop_prefix_list == NULL) return NB_OK; rhc->rhc_mhook = rmap_match_set_hook.no_match_ipv6_next_hop_prefix_list; rhc->rhc_rule = "ipv6 next-hop prefix-list"; rhc->rhc_event = RMAP_EVENT_PLIST_DELETED; rv = rmap_match_set_hook.match_ipv6_next_hop_prefix_list( rhc->rhc_rmi, "ipv6 next-hop prefix-list", acl, RMAP_EVENT_PLIST_ADDED, args->errmsg, args->errmsg_len); } else if (IS_MATCH_IPv6_ADDRESS_LIST(condition)) { if (rmap_match_set_hook.match_ipv6_address == NULL) return NB_OK; rhc->rhc_mhook = rmap_match_set_hook.no_match_ipv6_address; rhc->rhc_rule = "ipv6 address"; rhc->rhc_event = RMAP_EVENT_FILTER_DELETED; rv = rmap_match_set_hook.match_ipv6_address( rhc->rhc_rmi, "ipv6 address", acl, RMAP_EVENT_FILTER_ADDED, args->errmsg, args->errmsg_len); } else if (IS_MATCH_IPv6_PREFIX_LIST(condition)) { if (rmap_match_set_hook.match_ipv6_address_prefix_list == NULL) return NB_OK; rhc->rhc_mhook = rmap_match_set_hook.no_match_ipv6_address_prefix_list; rhc->rhc_rule = "ipv6 address prefix-list"; rhc->rhc_event = RMAP_EVENT_PLIST_DELETED; rv = rmap_match_set_hook.match_ipv6_address_prefix_list( rhc->rhc_rmi, "ipv6 address prefix-list", acl, RMAP_EVENT_PLIST_ADDED, args->errmsg, args->errmsg_len); } else rv = CMD_ERR_NO_MATCH; if (rv != CMD_SUCCESS) { rhc->rhc_mhook = NULL; return NB_ERR_INCONSISTENCY; } return NB_OK; } static int lib_route_map_entry_match_condition_list_name_destroy( struct nb_cb_destroy_args *args) { return lib_route_map_entry_match_destroy(args); } /* * XPath: /frr-route-map:lib/route-map/entry/match-condition/ipv4-next-hop-type */ static int lib_route_map_entry_match_condition_ipv4_next_hop_type_modify( struct nb_cb_modify_args *args) { struct routemap_hook_context *rhc; const char *type; int rv; if (args->event != NB_EV_APPLY) return NB_OK; /* Check for hook function. */ if (rmap_match_set_hook.match_ip_next_hop_type == NULL) return NB_OK; /* Add configuration. */ rhc = nb_running_get_entry(args->dnode, NULL, true); type = yang_dnode_get_string(args->dnode, NULL); /* Set destroy information. */ rhc->rhc_mhook = rmap_match_set_hook.no_match_ip_next_hop_type; rhc->rhc_rule = "ip next-hop type"; rhc->rhc_event = RMAP_EVENT_MATCH_DELETED; rv = rmap_match_set_hook.match_ip_next_hop_type( rhc->rhc_rmi, "ip next-hop type", type, RMAP_EVENT_MATCH_ADDED, args->errmsg, args->errmsg_len); if (rv != CMD_SUCCESS) { rhc->rhc_mhook = NULL; return NB_ERR_INCONSISTENCY; } return NB_OK; } static int lib_route_map_entry_match_condition_ipv4_next_hop_type_destroy( struct nb_cb_destroy_args *args) { return lib_route_map_entry_match_destroy(args); } /* * XPath: /frr-route-map:lib/route-map/entry/match-condition/ipv6-next-hop-type */ static int lib_route_map_entry_match_condition_ipv6_next_hop_type_modify( struct nb_cb_modify_args *args) { struct routemap_hook_context *rhc; const char *type; int rv; if (args->event != NB_EV_APPLY) return NB_OK; /* Check for hook function. */ if (rmap_match_set_hook.match_ipv6_next_hop_type == NULL) return NB_OK; /* Add configuration. */ rhc = nb_running_get_entry(args->dnode, NULL, true); type = yang_dnode_get_string(args->dnode, NULL); /* Set destroy information. */ rhc->rhc_mhook = rmap_match_set_hook.no_match_ipv6_next_hop_type; rhc->rhc_rule = "ipv6 next-hop type"; rhc->rhc_event = RMAP_EVENT_MATCH_DELETED; rv = rmap_match_set_hook.match_ipv6_next_hop_type( rhc->rhc_rmi, "ipv6 next-hop type", type, RMAP_EVENT_MATCH_ADDED, args->errmsg, args->errmsg_len); if (rv != CMD_SUCCESS) { rhc->rhc_mhook = NULL; return NB_ERR_INCONSISTENCY; } return NB_OK; } static int lib_route_map_entry_match_condition_ipv6_next_hop_type_destroy( struct nb_cb_destroy_args *args) { return lib_route_map_entry_match_destroy(args); } /* * XPath: /frr-route-map:lib/route-map/entry/match-condition/metric */ static int lib_route_map_entry_match_condition_metric_modify( struct nb_cb_modify_args *args) { struct routemap_hook_context *rhc; const char *type; int rv; if (args->event != NB_EV_APPLY) return NB_OK; /* Check for hook function. */ if (rmap_match_set_hook.match_metric == NULL) return NB_OK; /* Add configuration. */ rhc = nb_running_get_entry(args->dnode, NULL, true); type = yang_dnode_get_string(args->dnode, NULL); /* Set destroy information. */ rhc->rhc_mhook = rmap_match_set_hook.no_match_metric; rhc->rhc_rule = "metric"; rhc->rhc_event = RMAP_EVENT_MATCH_DELETED; rv = rmap_match_set_hook.match_metric(rhc->rhc_rmi, "metric", type, RMAP_EVENT_MATCH_ADDED, args->errmsg, args->errmsg_len); if (rv != CMD_SUCCESS) { rhc->rhc_mhook = NULL; return NB_ERR_INCONSISTENCY; } return NB_OK; } static int lib_route_map_entry_match_condition_metric_destroy( struct nb_cb_destroy_args *args) { return lib_route_map_entry_match_destroy(args); } /* * XPath: /frr-route-map:lib/route-map/entry/match-condition/tag */ static int lib_route_map_entry_match_condition_tag_modify(struct nb_cb_modify_args *args) { struct routemap_hook_context *rhc; const char *tag; int rv; if (args->event != NB_EV_APPLY) return NB_OK; /* Check for hook function. */ if (rmap_match_set_hook.match_tag == NULL) return NB_OK; /* Add configuration. */ rhc = nb_running_get_entry(args->dnode, NULL, true); tag = yang_dnode_get_string(args->dnode, NULL); /* Set destroy information. */ rhc->rhc_mhook = rmap_match_set_hook.no_match_tag; rhc->rhc_rule = "tag"; rhc->rhc_event = RMAP_EVENT_MATCH_DELETED; rv = rmap_match_set_hook.match_tag(rhc->rhc_rmi, "tag", tag, RMAP_EVENT_MATCH_ADDED, args->errmsg, args->errmsg_len); if (rv != CMD_SUCCESS) { rhc->rhc_mhook = NULL; return NB_ERR_INCONSISTENCY; } return NB_OK; } static int lib_route_map_entry_match_condition_tag_destroy(struct nb_cb_destroy_args *args) { return lib_route_map_entry_match_destroy(args); } /* * XPath: /frr-route-map:lib/route-map/entry/set-action */ static int lib_route_map_entry_set_action_create(struct nb_cb_create_args *args) { return lib_route_map_entry_match_condition_create(args); } static int lib_route_map_entry_set_action_destroy(struct nb_cb_destroy_args *args) { struct routemap_hook_context *rhc; int rv; if (args->event != NB_EV_APPLY) return NB_OK; rv = lib_route_map_entry_set_destroy(args); rhc = nb_running_unset_entry(args->dnode); routemap_hook_context_free(rhc); return rv; } /* * XPath: /frr-route-map:lib/route-map/entry/set-action/ipv4-address */ static int lib_route_map_entry_set_action_ipv4_address_modify( struct nb_cb_modify_args *args) { struct routemap_hook_context *rhc; const char *address; struct in_addr ia; int rv; switch (args->event) { case NB_EV_VALIDATE: /* * NOTE: validate if 'action' is 'ipv4-next-hop', * currently it is not necessary because this is the * only implemented action. */ yang_dnode_get_ipv4(&ia, args->dnode, NULL); if (ia.s_addr == INADDR_ANY || !ipv4_unicast_valid(&ia)) return NB_ERR_VALIDATION; /* FALLTHROUGH */ case NB_EV_PREPARE: case NB_EV_ABORT: return NB_OK; case NB_EV_APPLY: break; } /* Check for hook function. */ if (rmap_match_set_hook.set_ip_nexthop == NULL) return NB_OK; /* Add configuration. */ rhc = nb_running_get_entry(args->dnode, NULL, true); address = yang_dnode_get_string(args->dnode, NULL); /* Set destroy information. */ rhc->rhc_shook = rmap_match_set_hook.no_set_ip_nexthop; rhc->rhc_rule = "ip next-hop"; rv = rmap_match_set_hook.set_ip_nexthop(rhc->rhc_rmi, "ip next-hop", address, args->errmsg, args->errmsg_len); if (rv != CMD_SUCCESS) { rhc->rhc_shook = NULL; return NB_ERR_INCONSISTENCY; } return NB_OK; } static int lib_route_map_entry_set_action_ipv4_address_destroy( struct nb_cb_destroy_args *args) { return lib_route_map_entry_set_destroy(args); } /* * XPath: /frr-route-map:lib/route-map/entry/set-action/ipv6-address */ static int lib_route_map_entry_set_action_ipv6_address_modify( struct nb_cb_modify_args *args) { struct routemap_hook_context *rhc; const char *address; struct in6_addr i6a; int rv; switch (args->event) { case NB_EV_VALIDATE: /* * NOTE: validate if 'action' is 'ipv6-next-hop', * currently it is not necessary because this is the * only implemented action. Other actions might have * different validations. */ yang_dnode_get_ipv6(&i6a, args->dnode, NULL); if (!IN6_IS_ADDR_LINKLOCAL(&i6a)) return NB_ERR_VALIDATION; /* FALLTHROUGH */ case NB_EV_PREPARE: case NB_EV_ABORT: return NB_OK; case NB_EV_APPLY: break; } /* Check for hook function. */ if (rmap_match_set_hook.set_ipv6_nexthop_local == NULL) return NB_OK; /* Add configuration. */ rhc = nb_running_get_entry(args->dnode, NULL, true); address = yang_dnode_get_string(args->dnode, NULL); /* Set destroy information. */ rhc->rhc_shook = rmap_match_set_hook.no_set_ipv6_nexthop_local; rhc->rhc_rule = "ipv6 next-hop local"; rv = rmap_match_set_hook.set_ipv6_nexthop_local( rhc->rhc_rmi, "ipv6 next-hop local", address, args->errmsg, args->errmsg_len); if (rv != CMD_SUCCESS) { rhc->rhc_shook = NULL; return NB_ERR_INCONSISTENCY; } return NB_OK; } static int lib_route_map_entry_set_action_ipv6_address_destroy( struct nb_cb_destroy_args *args) { return lib_route_map_entry_set_destroy(args); } /* * XPath: /frr-route-map:lib/route-map/entry/set-action/value */ static int set_action_modify(enum nb_event event, const struct lyd_node *dnode, union nb_resource *resource, const char *value, char *errmsg, size_t errmsg_len) { struct routemap_hook_context *rhc; int rv; /* * NOTE: validate if 'action' is 'metric', currently it is not * necessary because this is the only implemented action. Other * actions might have different validations. */ if (event != NB_EV_APPLY) return NB_OK; /* Check for hook function. */ if (rmap_match_set_hook.set_metric == NULL) return NB_OK; /* Add configuration. */ rhc = nb_running_get_entry(dnode, NULL, true); /* Set destroy information. */ rhc->rhc_shook = rmap_match_set_hook.no_set_metric; rhc->rhc_rule = "metric"; rv = rmap_match_set_hook.set_metric(rhc->rhc_rmi, "metric", value, errmsg, errmsg_len ); if (rv != CMD_SUCCESS) { rhc->rhc_shook = NULL; return NB_ERR_INCONSISTENCY; } return NB_OK; } static int lib_route_map_entry_set_action_value_modify(struct nb_cb_modify_args *args) { const char *metric = yang_dnode_get_string(args->dnode, NULL); return set_action_modify(args->event, args->dnode, args->resource, metric, args->errmsg, args->errmsg_len); } static int lib_route_map_entry_set_action_value_destroy(struct nb_cb_destroy_args *args) { return lib_route_map_entry_set_destroy(args); } /* * XPath: /frr-route-map:lib/route-map/entry/set-action/min-metric */ static int set_action_min_metric_modify(enum nb_event event, const struct lyd_node *dnode, union nb_resource *resource, const char *value, char *errmsg, size_t errmsg_len) { struct routemap_hook_context *rhc; int rv; if (event != NB_EV_APPLY) return NB_OK; /* Check for hook function. */ if (rmap_match_set_hook.set_min_metric == NULL) return NB_OK; /* Add configuration. */ rhc = nb_running_get_entry(dnode, NULL, true); /* Set destroy information. */ rhc->rhc_shook = rmap_match_set_hook.no_set_min_metric; rhc->rhc_rule = "min-metric"; rv = rmap_match_set_hook.set_min_metric(rhc->rhc_rmi, "min-metric", value, errmsg, errmsg_len); if (rv != CMD_SUCCESS) { rhc->rhc_shook = NULL; return NB_ERR_INCONSISTENCY; } return NB_OK; } static int lib_route_map_entry_set_action_min_metric_modify(struct nb_cb_modify_args *args) { const char *min_metric = yang_dnode_get_string(args->dnode, NULL); return set_action_min_metric_modify(args->event, args->dnode, args->resource, min_metric, args->errmsg, args->errmsg_len); } static int lib_route_map_entry_set_action_min_metric_destroy( struct nb_cb_destroy_args *args) { return lib_route_map_entry_set_destroy(args); } /* * XPath: /frr-route-map:lib/route-map/entry/set-action/max-metric */ static int set_action_max_metric_modify(enum nb_event event, const struct lyd_node *dnode, union nb_resource *resource, const char *value, char *errmsg, size_t errmsg_len) { struct routemap_hook_context *rhc; int rv; if (event != NB_EV_APPLY) return NB_OK; /* Check for hook function. */ if (rmap_match_set_hook.set_max_metric == NULL) return NB_OK; /* Add configuration. */ rhc = nb_running_get_entry(dnode, NULL, true); /* Set destroy information. */ rhc->rhc_shook = rmap_match_set_hook.no_set_max_metric; rhc->rhc_rule = "max-metric"; rv = rmap_match_set_hook.set_max_metric(rhc->rhc_rmi, "max-metric", value, errmsg, errmsg_len); if (rv != CMD_SUCCESS) { rhc->rhc_shook = NULL; return NB_ERR_INCONSISTENCY; } return NB_OK; } static int lib_route_map_entry_set_action_max_metric_modify(struct nb_cb_modify_args *args) { const char *max_metric = yang_dnode_get_string(args->dnode, NULL); return set_action_max_metric_modify(args->event, args->dnode, args->resource, max_metric, args->errmsg, args->errmsg_len); } static int lib_route_map_entry_set_action_max_metric_destroy( struct nb_cb_destroy_args *args) { return lib_route_map_entry_set_destroy(args); } /* * XPath: /frr-route-map:lib/route-map/entry/set-action/add-metric */ static int lib_route_map_entry_set_action_add_metric_modify(struct nb_cb_modify_args *args) { char metric_str[16]; if (args->event == NB_EV_VALIDATE && yang_dnode_get_uint32(args->dnode, NULL) == 0) { snprintf(args->errmsg, args->errmsg_len, "Can't add zero to metric"); return NB_ERR_VALIDATION; } snprintf(metric_str, sizeof(metric_str), "+%s", yang_dnode_get_string(args->dnode, NULL)); return set_action_modify(args->event, args->dnode, args->resource, metric_str, args->errmsg, args->errmsg_len); } static int lib_route_map_entry_set_action_add_metric_destroy( struct nb_cb_destroy_args *args) { return lib_route_map_entry_set_action_value_destroy(args); } /* * XPath: /frr-route-map:lib/route-map/entry/set-action/subtract-metric */ static int lib_route_map_entry_set_action_subtract_metric_modify( struct nb_cb_modify_args *args) { char metric_str[16]; if (args->event == NB_EV_VALIDATE && yang_dnode_get_uint32(args->dnode, NULL) == 0) { snprintf(args->errmsg, args->errmsg_len, "Can't subtract zero from metric"); return NB_ERR_VALIDATION; } snprintf(metric_str, sizeof(metric_str), "-%s", yang_dnode_get_string(args->dnode, NULL)); return set_action_modify(args->event, args->dnode, args->resource, metric_str, args->errmsg, args->errmsg_len); } static int lib_route_map_entry_set_action_subtract_metric_destroy( struct nb_cb_destroy_args *args) { return lib_route_map_entry_set_action_value_destroy(args); } /* * XPath: /frr-route-map:lib/route-map/entry/set-action/use-round-trip-time */ static int lib_route_map_entry_set_action_use_round_trip_time_modify( struct nb_cb_modify_args *args) { return set_action_modify(args->event, args->dnode, args->resource, "rtt", args->errmsg, args->errmsg_len); } static int lib_route_map_entry_set_action_use_round_trip_time_destroy( struct nb_cb_destroy_args *args) { return lib_route_map_entry_set_action_value_destroy(args); } /* * XPath: /frr-route-map:lib/route-map/entry/set-action/add-round-trip-time */ static int lib_route_map_entry_set_action_add_round_trip_time_modify( struct nb_cb_modify_args *args) { return set_action_modify(args->event, args->dnode, args->resource, "+rtt", args->errmsg, args->errmsg_len); } static int lib_route_map_entry_set_action_add_round_trip_time_destroy( struct nb_cb_destroy_args *args) { return lib_route_map_entry_set_action_value_destroy(args); } /* * XPath: /frr-route-map:lib/route-map/entry/set-action/subtract-round-trip-time */ static int lib_route_map_entry_set_action_subtract_round_trip_time_modify( struct nb_cb_modify_args *args) { return set_action_modify(args->event, args->dnode, args->resource, "-rtt", args->errmsg, args->errmsg_len); } static int lib_route_map_entry_set_action_subtract_round_trip_time_destroy( struct nb_cb_destroy_args *args) { return lib_route_map_entry_set_action_value_destroy(args); } /* * XPath: /frr-route-map:lib/route-map/entry/set-action/tag */ static int lib_route_map_entry_set_action_tag_modify(struct nb_cb_modify_args *args) { struct routemap_hook_context *rhc; const char *tag; int rv; /* * NOTE: validate if 'action' is 'tag', currently it is not * necessary because this is the only implemented action. Other * actions might have different validations. */ if (args->event != NB_EV_APPLY) return NB_OK; /* Check for hook function. */ if (rmap_match_set_hook.set_tag == NULL) return NB_OK; /* Add configuration. */ rhc = nb_running_get_entry(args->dnode, NULL, true); tag = yang_dnode_get_string(args->dnode, NULL); /* Set destroy information. */ rhc->rhc_shook = rmap_match_set_hook.no_set_tag; rhc->rhc_rule = "tag"; rv = rmap_match_set_hook.set_tag(rhc->rhc_rmi, "tag", tag, args->errmsg, args->errmsg_len); if (rv != CMD_SUCCESS) { rhc->rhc_shook = NULL; return NB_ERR_INCONSISTENCY; } return NB_OK; } static int lib_route_map_entry_set_action_tag_destroy(struct nb_cb_destroy_args *args) { return lib_route_map_entry_set_destroy(args); } /* * XPath: /frr-route-map:lib/route-map/entry/set-action/policy */ static int lib_route_map_entry_set_action_policy_modify(struct nb_cb_modify_args *args) { struct routemap_hook_context *rhc; const char *policy; int rv; /* * NOTE: validate if 'action' is 'tag', currently it is not * necessary because this is the only implemented action. Other * actions might have different validations. */ if (args->event != NB_EV_APPLY) return NB_OK; /* Check for hook function. */ if (rmap_match_set_hook.set_srte_color == NULL) return NB_OK; /* Add configuration. */ rhc = nb_running_get_entry(args->dnode, NULL, true); policy = yang_dnode_get_string(args->dnode, NULL); /* Set destroy information. */ rhc->rhc_shook = rmap_match_set_hook.no_set_tag; rhc->rhc_rule = "sr-te color"; rv = rmap_match_set_hook.set_tag(rhc->rhc_rmi, "sr-te color", policy, args->errmsg, args->errmsg_len); if (rv != CMD_SUCCESS) { rhc->rhc_shook = NULL; return NB_ERR_INCONSISTENCY; } return NB_OK; } static int lib_route_map_entry_set_action_policy_destroy(struct nb_cb_destroy_args *args) { return lib_route_map_entry_set_destroy(args); } /* clang-format off */ const struct frr_yang_module_info frr_route_map_info = { .name = "frr-route-map", .nodes = { { .xpath = "/frr-route-map:lib/route-map", .cbs = { .create = lib_route_map_create, .destroy = lib_route_map_destroy, } }, { .xpath = "/frr-route-map:lib/route-map/optimization-disabled", .cbs = { .modify = lib_route_map_optimization_disabled_modify, .cli_show = route_map_optimization_disabled_show, } }, { .xpath = "/frr-route-map:lib/route-map/entry", .cbs = { .create = lib_route_map_entry_create, .destroy = lib_route_map_entry_destroy, .cli_cmp = route_map_instance_cmp, .cli_show = route_map_instance_show, .cli_show_end = route_map_instance_show_end, } }, { .xpath = "/frr-route-map:lib/route-map/entry/description", .cbs = { .modify = lib_route_map_entry_description_modify, .destroy = lib_route_map_entry_description_destroy, .cli_show = route_map_description_show, } }, { .xpath = "/frr-route-map:lib/route-map/entry/action", .cbs = { .modify = lib_route_map_entry_action_modify, } }, { .xpath = "/frr-route-map:lib/route-map/entry/call", .cbs = { .modify = lib_route_map_entry_call_modify, .destroy = lib_route_map_entry_call_destroy, .cli_show = route_map_call_show, } }, { .xpath = "/frr-route-map:lib/route-map/entry/exit-policy", .cbs = { .modify = lib_route_map_entry_exit_policy_modify, .cli_show = route_map_exit_policy_show, } }, { .xpath = "/frr-route-map:lib/route-map/entry/goto-value", .cbs = { .modify = lib_route_map_entry_goto_value_modify, .destroy = lib_route_map_entry_goto_value_destroy, } }, { .xpath = "/frr-route-map:lib/route-map/entry/match-condition", .cbs = { .create = lib_route_map_entry_match_condition_create, .destroy = lib_route_map_entry_match_condition_destroy, .cli_show = route_map_condition_show, } }, { .xpath = "/frr-route-map:lib/route-map/entry/match-condition/rmap-match-condition/interface", .cbs = { .modify = lib_route_map_entry_match_condition_interface_modify, .destroy = lib_route_map_entry_match_condition_interface_destroy, } }, { .xpath = "/frr-route-map:lib/route-map/entry/match-condition/rmap-match-condition/list-name", .cbs = { .modify = lib_route_map_entry_match_condition_list_name_modify, .destroy = lib_route_map_entry_match_condition_list_name_destroy, } }, { .xpath = "/frr-route-map:lib/route-map/entry/match-condition/rmap-match-condition/ipv4-next-hop-type", .cbs = { .modify = lib_route_map_entry_match_condition_ipv4_next_hop_type_modify, .destroy = lib_route_map_entry_match_condition_ipv4_next_hop_type_destroy, } }, { .xpath = "/frr-route-map:lib/route-map/entry/match-condition/rmap-match-condition/ipv6-next-hop-type", .cbs = { .modify = lib_route_map_entry_match_condition_ipv6_next_hop_type_modify, .destroy = lib_route_map_entry_match_condition_ipv6_next_hop_type_destroy, } }, { .xpath = "/frr-route-map:lib/route-map/entry/match-condition/rmap-match-condition/metric", .cbs = { .modify = lib_route_map_entry_match_condition_metric_modify, .destroy = lib_route_map_entry_match_condition_metric_destroy, } }, { .xpath = "/frr-route-map:lib/route-map/entry/match-condition/rmap-match-condition/tag", .cbs = { .modify = lib_route_map_entry_match_condition_tag_modify, .destroy = lib_route_map_entry_match_condition_tag_destroy, } }, { .xpath = "/frr-route-map:lib/route-map/entry/set-action", .cbs = { .create = lib_route_map_entry_set_action_create, .destroy = lib_route_map_entry_set_action_destroy, .cli_show = route_map_action_show, } }, { .xpath = "/frr-route-map:lib/route-map/entry/set-action/rmap-set-action/ipv4-address", .cbs = { .modify = lib_route_map_entry_set_action_ipv4_address_modify, .destroy = lib_route_map_entry_set_action_ipv4_address_destroy, } }, { .xpath = "/frr-route-map:lib/route-map/entry/set-action/rmap-set-action/ipv6-address", .cbs = { .modify = lib_route_map_entry_set_action_ipv6_address_modify, .destroy = lib_route_map_entry_set_action_ipv6_address_destroy, } }, { .xpath = "/frr-route-map:lib/route-map/entry/set-action/rmap-set-action/value", .cbs = { .modify = lib_route_map_entry_set_action_value_modify, .destroy = lib_route_map_entry_set_action_value_destroy, } }, { .xpath = "/frr-route-map:lib/route-map/entry/set-action/rmap-set-action/min-metric", .cbs = { .modify = lib_route_map_entry_set_action_min_metric_modify, .destroy = lib_route_map_entry_set_action_min_metric_destroy, } }, { .xpath = "/frr-route-map:lib/route-map/entry/set-action/rmap-set-action/max-metric", .cbs = { .modify = lib_route_map_entry_set_action_max_metric_modify, .destroy = lib_route_map_entry_set_action_max_metric_destroy, } }, { .xpath = "/frr-route-map:lib/route-map/entry/set-action/rmap-set-action/add-metric", .cbs = { .modify = lib_route_map_entry_set_action_add_metric_modify, .destroy = lib_route_map_entry_set_action_add_metric_destroy, } }, { .xpath = "/frr-route-map:lib/route-map/entry/set-action/rmap-set-action/subtract-metric", .cbs = { .modify = lib_route_map_entry_set_action_subtract_metric_modify, .destroy = lib_route_map_entry_set_action_subtract_metric_destroy, } }, { .xpath = "/frr-route-map:lib/route-map/entry/set-action/rmap-set-action/use-round-trip-time", .cbs = { .modify = lib_route_map_entry_set_action_use_round_trip_time_modify, .destroy = lib_route_map_entry_set_action_use_round_trip_time_destroy, } }, { .xpath = "/frr-route-map:lib/route-map/entry/set-action/rmap-set-action/add-round-trip-time", .cbs = { .modify = lib_route_map_entry_set_action_add_round_trip_time_modify, .destroy = lib_route_map_entry_set_action_add_round_trip_time_destroy, } }, { .xpath = "/frr-route-map:lib/route-map/entry/set-action/rmap-set-action/subtract-round-trip-time", .cbs = { .modify = lib_route_map_entry_set_action_subtract_round_trip_time_modify, .destroy = lib_route_map_entry_set_action_subtract_round_trip_time_destroy, } }, { .xpath = "/frr-route-map:lib/route-map/entry/set-action/rmap-set-action/tag", .cbs = { .modify = lib_route_map_entry_set_action_tag_modify, .destroy = lib_route_map_entry_set_action_tag_destroy, } }, { .xpath = "/frr-route-map:lib/route-map/entry/set-action/rmap-set-action/policy", .cbs = { .modify = lib_route_map_entry_set_action_policy_modify, .destroy = lib_route_map_entry_set_action_policy_destroy, } }, { .xpath = NULL, }, } };