/* * Copyright (c) 2016 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include <vnet/ip/ip.h> #include <vnet/map/map_dpo.h> /** * pool of all MPLS Label DPOs */ map_dpo_t *map_dpo_pool; /** * The register MAP DPO type */ dpo_type_t map_dpo_type; dpo_type_t map_t_dpo_type; static map_dpo_t * map_dpo_alloc (void) { map_dpo_t *md; pool_get_aligned(map_dpo_pool, md, CLIB_CACHE_LINE_BYTES); memset(md, 0, sizeof(*md)); return (md); } static index_t map_dpo_get_index (map_dpo_t *md) { return (md - map_dpo_pool); } void map_dpo_create (dpo_proto_t dproto, u32 domain_index, dpo_id_t *dpo) { map_dpo_t *md; md = map_dpo_alloc(); md->md_domain = domain_index; md->md_proto = dproto; dpo_set(dpo, map_dpo_type, dproto, map_dpo_get_index(md)); } void map_t_dpo_create (dpo_proto_t dproto, u32 domain_index, dpo_id_t *dpo) { map_dpo_t *md; md = map_dpo_alloc(); md->md_domain = domain_index; md->md_proto = dproto; dpo_set(dpo, map_t_dpo_type, dproto, map_dpo_get_index(md)); } u8* format_map_dpo (u8 *s, va_list *args) { index_t index = va_arg (*args, index_t); CLIB_UNUSED(u32 indent) = va_arg (*args, u32); map_dpo_t *md; md = map_dpo_get(index); return (format(s, "map:[%d]:%U domain:%d", index, format_dpo_proto, md->md_proto, md->md_domain)); } u8* format_map_t_dpo (u8 *s, va_list *args) { index_t index = va_arg (*args, index_t); CLIB_UNUSED(u32 indent) = va_arg (*args, u32); map_dpo_t *md; md = map_dpo_get(index); return (format(s, "map-t:[%d]:%U domain:%d", index, format_dpo_proto, md->md_proto, md->md_domain)); } static void map_dpo_lock (dpo_id_t *dpo) { map_dpo_t *md; md = map_dpo_get(dpo->dpoi_index); md->md_locks++; } static void map_dpo_unlock (dpo_id_t *dpo) { map_dpo_t *md; md = map_dpo_get(dpo->dpoi_index); md->md_locks--; if (0 == md->md_locks) { pool_put(map_dpo_pool, md); } } const static dpo_vft_t md_vft = { .dv_lock = map_dpo_lock, .dv_unlock = map_dpo_unlock, .dv_format = format_map_dpo, }; const static char* const map_ip4_nodes[] = { "ip4-map", NULL, }; const static char* const map_ip6_nodes[] = { "ip6-map", NULL, }; const static char* const * const map_nodes[DPO_PROTO_NUM] = { [DPO_PROTO_IP4] = map_ip4_nodes, [DPO_PROTO_IP6] = map_ip6_nodes, [DPO_PROTO_MPLS] = NULL, }; const static dpo_vft_t md_t_vft = { .dv_lock = map_dpo_lock, .dv_unlock = map_dpo_unlock, .dv_format = format_map_t_dpo, }; const static char* const map_t_ip4_nodes[] = { "ip4-map-t", NULL, }; const static char* const map_t_ip6_nodes[] = { "ip6-map-t", NULL, }; const static char* const * const map_t_nodes[DPO_PROTO_NUM] = { [DPO_PROTO_IP4] = map_t_ip4_nodes, [DPO_PROTO_IP6] = map_t_ip6_nodes, [DPO_PROTO_MPLS] = NULL, }; void map_dpo_module_init (void) { map_dpo_type = dpo_register_new_type(&md_vft, map_nodes); map_t_dpo_type = dpo_register_new_type(&md_t_vft, map_t_nodes); }