13 Neighbor *neighbor_free(Neighbor *neighbor) {  in neighbor_free()  argument
14         if (!neighbor)  in neighbor_free()
17         if (neighbor->network) {  in neighbor_free()
18                 assert(neighbor->section);  in neighbor_free()
19                 hashmap_remove(neighbor->network->neighbors_by_section, neighbor->section);  in neighbor_free()
22         config_section_free(neighbor->section);  in neighbor_free()
24         if (neighbor->link)  in neighbor_free()
25                 set_remove(neighbor->link->neighbors, neighbor);  in neighbor_free()
27         return mfree(neighbor);  in neighbor_free()
34         _cleanup_(neighbor_freep) Neighbor *neighbor = NULL;  in neighbor_new_static()
46         neighbor = hashmap_get(network->neighbors_by_section, n);  in neighbor_new_static()
47         if (neighbor) {  in neighbor_new_static()
48                 *ret = TAKE_PTR(neighbor);  in neighbor_new_static()
52         neighbor = new(Neighbor, 1);  in neighbor_new_static()
53         if (!neighbor)  in neighbor_new_static()
56         *neighbor = (Neighbor) {  in neighbor_new_static()
63 …_ensure_put(&network->neighbors_by_section, &config_section_hash_ops, neighbor->section, neighbor);  in neighbor_new_static()
67         *ret = TAKE_PTR(neighbor);  in neighbor_new_static()
71 static int neighbor_dup(const Neighbor *neighbor, Neighbor **ret) {  in neighbor_dup()  argument
74         assert(neighbor);  in neighbor_dup()
77         dest = newdup(Neighbor, neighbor, 1);  in neighbor_dup()
90 static void neighbor_hash_func(const Neighbor *neighbor, struct siphash *state) {  in neighbor_hash_func()  argument
91         assert(neighbor);  in neighbor_hash_func()
93         siphash24_compress(&neighbor->family, sizeof(neighbor->family), state);  in neighbor_hash_func()
95         switch (neighbor->family) {  in neighbor_hash_func()
99 …              siphash24_compress(&neighbor->in_addr, FAMILY_ADDRESS_SIZE(neighbor->family), state);  in neighbor_hash_func()
106         hw_addr_hash_func(&neighbor->ll_addr, state);  in neighbor_hash_func()
144 static int neighbor_add(Link *link, Neighbor *neighbor) {  in neighbor_add()  argument
148         assert(neighbor);  in neighbor_add()
150         r = set_ensure_put(&link->neighbors, &neighbor_hash_ops, neighbor);  in neighbor_add()
156         neighbor->link = link;  in neighbor_add()
160 static void log_neighbor_debug(const Neighbor *neighbor, const char *str, const Link *link) {  in log_neighbor_debug()  argument
163         assert(neighbor);  in log_neighbor_debug()
169         (void) network_config_state_to_string_alloc(neighbor->state, &state);  in log_neighbor_debug()
170         (void) in_addr_to_string(neighbor->family, &neighbor->in_addr, &dst);  in log_neighbor_debug()
174                        str, strna(network_config_source_to_string(neighbor->source)), strna(state),  in log_neighbor_debug()
175                        HW_ADDR_TO_STR(&neighbor->ll_addr), strna(dst));  in log_neighbor_debug()
178 static int neighbor_configure_message(Neighbor *neighbor, Link *link, sd_netlink_message *req) {  in neighbor_configure_message()  argument
185         r = netlink_message_append_hw_addr(req, NDA_LLADDR, &neighbor->ll_addr);  in neighbor_configure_message()
189 …      r = netlink_message_append_in_addr_union(req, NDA_DST, neighbor->family, &neighbor->in_addr);  in neighbor_configure_message()
196 static int neighbor_configure(Neighbor *neighbor, Link *link, Request *req) {  in neighbor_configure()  argument
200         assert(neighbor);  in neighbor_configure()
207         log_neighbor_debug(neighbor, "Configuring", link);  in neighbor_configure()
210                                       link->ifindex, neighbor->family);  in neighbor_configure()
214         r = neighbor_configure_message(neighbor, link, m);  in neighbor_configure()
221 static int neighbor_process_request(Request *req, Link *link, Neighbor *neighbor) {  in neighbor_process_request()  argument
226         assert(neighbor);  in neighbor_process_request()
231         r = neighbor_configure(neighbor, link, req);  in neighbor_process_request()
235         neighbor_enter_configuring(neighbor);  in neighbor_process_request()
239 …re_handler(sd_netlink *rtnl, sd_netlink_message *m, Request *req, Link *link, Neighbor *neighbor) {  in static_neighbor_configure_handler()  argument
261 static int link_request_neighbor(Link *link, const Neighbor *neighbor) {  in link_request_neighbor()  argument
266         assert(neighbor);  in link_request_neighbor()
267         assert(neighbor->source != NETWORK_CONFIG_SOURCE_FOREIGN);  in link_request_neighbor()
269         if (neighbor_get(link, neighbor, &existing) < 0) {  in link_request_neighbor()
272                 r = neighbor_dup(neighbor, &tmp);  in link_request_neighbor()
282                 existing->source = neighbor->source;  in link_request_neighbor()
301         Neighbor *neighbor;  in link_request_static_neighbors()  local
310         HASHMAP_FOREACH(neighbor, link->network->neighbors_by_section) {  in link_request_static_neighbors()
311                 r = link_request_neighbor(link, neighbor);  in link_request_static_neighbors()
344 static int neighbor_remove(Neighbor *neighbor) {  in neighbor_remove()  argument
349         assert(neighbor);  in neighbor_remove()
350         assert(neighbor->link);  in neighbor_remove()
351         assert(neighbor->link->manager);  in neighbor_remove()
352         assert(neighbor->link->manager->rtnl);  in neighbor_remove()
354         link = neighbor->link;  in neighbor_remove()
356         log_neighbor_debug(neighbor, "Removing", link);  in neighbor_remove()
359                                       link->ifindex, neighbor->family);  in neighbor_remove()
363 …      r = netlink_message_append_in_addr_union(req, NDA_DST, neighbor->family, &neighbor->in_addr);  in neighbor_remove()
374         neighbor_enter_removing(neighbor);  in neighbor_remove()
379         Neighbor *neighbor;  in link_drop_foreign_neighbors()  local
386         SET_FOREACH(neighbor, link->neighbors) {  in link_drop_foreign_neighbors()
388                 if (neighbor->source != NETWORK_CONFIG_SOURCE_FOREIGN)  in link_drop_foreign_neighbors()
392                 if (!neighbor_exists(neighbor))  in link_drop_foreign_neighbors()
395                 neighbor_mark(neighbor);  in link_drop_foreign_neighbors()
399         HASHMAP_FOREACH(neighbor, link->network->neighbors_by_section) {  in link_drop_foreign_neighbors()
402                 if (neighbor_get(link, neighbor, &existing) >= 0)  in link_drop_foreign_neighbors()
406         SET_FOREACH(neighbor, link->neighbors) {  in link_drop_foreign_neighbors()
407                 if (!neighbor_is_marked(neighbor))  in link_drop_foreign_neighbors()
410                 k = neighbor_remove(neighbor);  in link_drop_foreign_neighbors()
419         Neighbor *neighbor;  in link_drop_managed_neighbors()  local
424         SET_FOREACH(neighbor, link->neighbors) {  in link_drop_managed_neighbors()
426                 if (neighbor->source == NETWORK_CONFIG_SOURCE_FOREIGN)  in link_drop_managed_neighbors()
430                 if (!neighbor_exists(neighbor))  in link_drop_managed_neighbors()
433                 k = neighbor_remove(neighbor);  in link_drop_managed_neighbors()
442         Neighbor *neighbor;  in link_foreignize_neighbors()  local
446         SET_FOREACH(neighbor, link->neighbors)  in link_foreignize_neighbors()
447                 neighbor->source = NETWORK_CONFIG_SOURCE_FOREIGN;  in link_foreignize_neighbors()
452         Neighbor *neighbor = NULL;  in manager_rtnl_process_neighbor()  local
527         (void) neighbor_get(link, tmp, &neighbor);  in manager_rtnl_process_neighbor()
531                 if (neighbor) {  in manager_rtnl_process_neighbor()
532                         neighbor_enter_configured(neighbor);  in manager_rtnl_process_neighbor()
533                         log_neighbor_debug(neighbor, "Received remembered", link);  in manager_rtnl_process_neighbor()
548                 if (neighbor) {  in manager_rtnl_process_neighbor()
549                         neighbor_enter_removed(neighbor);  in manager_rtnl_process_neighbor()
550                         if (neighbor->state == 0) {  in manager_rtnl_process_neighbor()
551                                 log_neighbor_debug(neighbor, "Forgetting", link);  in manager_rtnl_process_neighbor()
552                                 neighbor_free(neighbor);  in manager_rtnl_process_neighbor()
554                                 log_neighbor_debug(neighbor, "Removed", link);  in manager_rtnl_process_neighbor()
567 static int neighbor_section_verify(Neighbor *neighbor) {  in neighbor_section_verify()  argument
568         if (section_is_invalid(neighbor->section))  in neighbor_section_verify()
571         if (neighbor->family == AF_UNSPEC)  in neighbor_section_verify()
575                                          neighbor->section->filename, neighbor->section->line);  in neighbor_section_verify()
577         if (neighbor->ll_addr.length == 0)  in neighbor_section_verify()
581                                          neighbor->section->filename, neighbor->section->line);  in neighbor_section_verify()
587         Neighbor *neighbor;  in network_drop_invalid_neighbors()  local
591         HASHMAP_FOREACH(neighbor, network->neighbors_by_section)  in network_drop_invalid_neighbors()
592                 if (neighbor_section_verify(neighbor) < 0)  in network_drop_invalid_neighbors()
593                         neighbor_free(neighbor);  in network_drop_invalid_neighbors()