8feeaff56f
Change-Id: I53ab8d17914e6563110354e4052109ac02bf8f3b Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
119 lines
2.6 KiB
C
119 lines
2.6 KiB
C
/*
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* Copyright (c) 2016 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @brief
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* The data-path object representing dropping the packet
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*/
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#include <vnet/dpo/dpo.h>
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static dpo_id_t drop_dpos[DPO_PROTO_NUM];
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const dpo_id_t *
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drop_dpo_get (dpo_proto_t proto)
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{
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dpo_set(&drop_dpos[proto], DPO_DROP, proto, proto);
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return (&drop_dpos[proto]);
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}
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int
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dpo_is_drop (const dpo_id_t *dpo)
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{
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return (dpo->dpoi_type == DPO_DROP);
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}
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static void
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drop_dpo_lock (dpo_id_t *dpo)
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{
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/*
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* not maintaining a lock count on the drop
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* more trouble than it's worth.
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* There always needs to be one around. no point it managing its lifetime
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*/
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}
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static void
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drop_dpo_unlock (dpo_id_t *dpo)
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{
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}
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static u8*
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format_drop_dpo (u8 *s, va_list *ap)
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{
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CLIB_UNUSED(index_t index) = va_arg(*ap, index_t);
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CLIB_UNUSED(u32 indent) = va_arg(*ap, u32);
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return (format(s, "dpo-drop %U", format_dpo_proto, index));
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}
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const static dpo_vft_t drop_vft = {
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.dv_lock = drop_dpo_lock,
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.dv_unlock = drop_dpo_unlock,
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.dv_format = format_drop_dpo,
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};
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/**
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* @brief The per-protocol VLIB graph nodes that are assigned to a drop
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* object.
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*
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* this means that these graph nodes are ones from which a drop is the
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* parent object in the DPO-graph.
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*/
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const static char* const drop_ip4_nodes[] =
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{
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"ip4-drop",
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NULL,
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};
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const static char* const drop_ip6_nodes[] =
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{
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"ip6-drop",
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NULL,
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};
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const static char* const drop_mpls_nodes[] =
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{
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"mpls-drop",
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NULL,
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};
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const static char* const drop_ethernet_nodes[] =
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{
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"error-drop",
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NULL,
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};
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const static char* const drop_nsh_nodes[] =
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{
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"error-drop",
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NULL,
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};
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const static char* const drop_bier_nodes[] =
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{
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"bier-drop",
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NULL,
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};
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const static char* const * const drop_nodes[DPO_PROTO_NUM] =
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{
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[DPO_PROTO_IP4] = drop_ip4_nodes,
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[DPO_PROTO_IP6] = drop_ip6_nodes,
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[DPO_PROTO_MPLS] = drop_mpls_nodes,
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[DPO_PROTO_ETHERNET] = drop_ethernet_nodes,
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[DPO_PROTO_NSH] = drop_nsh_nodes,
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[DPO_PROTO_BIER] = drop_bier_nodes,
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};
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void
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drop_dpo_module_init (void)
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{
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dpo_register(DPO_DROP, &drop_vft, drop_nodes);
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}
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