/* * 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/dpo/classify_dpo.h> #include <vnet/mpls/mpls.h> /* * pool of all MPLS Label DPOs */ classify_dpo_t *classify_dpo_pool; static classify_dpo_t * classify_dpo_alloc (void) { classify_dpo_t *cd; pool_get_aligned(classify_dpo_pool, cd, CLIB_CACHE_LINE_BYTES); memset(cd, 0, sizeof(*cd)); return (cd); } static index_t classify_dpo_get_index (classify_dpo_t *cd) { return (cd - classify_dpo_pool); } index_t classify_dpo_create (dpo_proto_t proto, u32 classify_table_index) { classify_dpo_t *cd; cd = classify_dpo_alloc(); cd->cd_proto = proto; cd->cd_table_index = classify_table_index; return (classify_dpo_get_index(cd)); } u8* format_classify_dpo (u8 *s, va_list *args) { index_t index = va_arg (*args, index_t); CLIB_UNUSED(u32 indent) = va_arg (*args, u32); classify_dpo_t *cd; cd = classify_dpo_get(index); return (format(s, "%U-classify:[%d]:table:%d", format_dpo_proto, cd->cd_proto, index, cd->cd_table_index)); } static void classify_dpo_lock (dpo_id_t *dpo) { classify_dpo_t *cd; cd = classify_dpo_get(dpo->dpoi_index); cd->cd_locks++; } static void classify_dpo_unlock (dpo_id_t *dpo) { classify_dpo_t *cd; cd = classify_dpo_get(dpo->dpoi_index); cd->cd_locks--; if (0 == cd->cd_locks) { pool_put(classify_dpo_pool, cd); } } static void classify_dpo_mem_show (void) { fib_show_memory_usage("Classify", pool_elts(classify_dpo_pool), pool_len(classify_dpo_pool), sizeof(classify_dpo_t)); } const static dpo_vft_t cd_vft = { .dv_lock = classify_dpo_lock, .dv_unlock = classify_dpo_unlock, .dv_format = format_classify_dpo, .dv_mem_show = classify_dpo_mem_show, }; const static char* const classify_ip4_nodes[] = { "ip4-classify", NULL, }; const static char* const classify_ip6_nodes[] = { "ip6-classify", NULL, }; const static char* const * const classify_nodes[DPO_PROTO_NUM] = { [DPO_PROTO_IP4] = classify_ip4_nodes, [DPO_PROTO_IP6] = classify_ip6_nodes, [DPO_PROTO_MPLS] = NULL, }; void classify_dpo_module_init (void) { dpo_register(DPO_CLASSIFY, &cd_vft, classify_nodes); }