/* * 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. */ /** * @brief * The data-path object representing puntping the packet */ #include <vnet/dpo/dpo.h> static dpo_id_t punt_dpos[DPO_PROTO_NUM]; const dpo_id_t * punt_dpo_get (dpo_proto_t proto) { dpo_set(&punt_dpos[proto], DPO_PUNT, proto, 1); return (&punt_dpos[proto]); } int dpo_is_punt (const dpo_id_t *dpo) { return (dpo->dpoi_type == DPO_PUNT); } static void punt_dpo_lock (dpo_id_t *dpo) { /* * not maintaining a lock count on the punt * more trouble than it's worth. * There always needs to be one around. no point it managing its lifetime */ } static void punt_dpo_unlock (dpo_id_t *dpo) { } static u8* format_punt_dpo (u8 *s, va_list *ap) { CLIB_UNUSED(index_t index) = va_arg(*ap, index_t); CLIB_UNUSED(u32 indent) = va_arg(*ap, u32); return (format(s, "dpo-punt")); } const static dpo_vft_t punt_vft = { .dv_lock = punt_dpo_lock, .dv_unlock = punt_dpo_unlock, .dv_format = format_punt_dpo, }; /** * @brief The per-protocol VLIB graph nodes that are assigned to a punt * object. * * this means that these graph nodes are ones from which a punt is the * parent object in the DPO-graph. */ const static char* const punt_ip4_nodes[] = { "ip4-punt", NULL, }; const static char* const punt_ip6_nodes[] = { "ip6-punt", NULL, }; const static char* const punt_mpls_nodes[] = { "mpls-punt", NULL, }; const static char* const * const punt_nodes[DPO_PROTO_NUM] = { [DPO_PROTO_IP4] = punt_ip4_nodes, [DPO_PROTO_IP6] = punt_ip6_nodes, [DPO_PROTO_MPLS] = punt_mpls_nodes, }; void punt_dpo_module_init (void) { dpo_register(DPO_PUNT, &punt_vft, punt_nodes); }