diff options
Diffstat (limited to 'vnet/vnet/lisp-cp/lisp_cp_dpo.c')
-rw-r--r-- | vnet/vnet/lisp-cp/lisp_cp_dpo.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/vnet/vnet/lisp-cp/lisp_cp_dpo.c b/vnet/vnet/lisp-cp/lisp_cp_dpo.c new file mode 100644 index 00000000000..0bb8098d6fc --- /dev/null +++ b/vnet/vnet/lisp-cp/lisp_cp_dpo.c @@ -0,0 +1,93 @@ +/* + * 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/dpo/dpo.h> +#include <vnet/lisp-gpe/lisp_gpe.h> +#include <vnet/lisp-cp/control.h> + +index_t +lisp_cp_dpo_get (fib_protocol_t proto) +{ + /* + * there are only two instances of this DPO type. + * we can use the protocol as the index + */ + return (proto); +} + +static u8* +format_lisp_cp_dpo (u8 *s, va_list *args) +{ + index_t index = va_arg (*args, index_t); + CLIB_UNUSED(u32 indent) = va_arg (*args, u32); + + return (format(s, "lisp-cp-punt-%U", + format_fib_protocol, index)); +} + +static void +lisp_cp_dpo_lock (dpo_id_t *dpo) +{ +} + +static void +lisp_cp_dpo_unlock (dpo_id_t *dpo) +{ +} + +const static dpo_vft_t lisp_cp_vft = { + .dv_lock = lisp_cp_dpo_lock, + .dv_unlock = lisp_cp_dpo_unlock, + .dv_format = format_lisp_cp_dpo, +}; + +/** + * @brief The per-protocol VLIB graph nodes that are assigned to a LISP-CP + * object. + * + * this means that these graph nodes are ones from which a LISP-CP is the + * parent object in the DPO-graph. + */ +const static char* const lisp_cp_ip4_nodes[] = +{ + "lisp-cp-lookup-ip4", + NULL, +}; +const static char* const lisp_cp_ip6_nodes[] = +{ + "lisp-cp-lookup-ip6", + NULL, +}; + +const static char* const * const lisp_cp_nodes[DPO_PROTO_NUM] = +{ + [DPO_PROTO_IP4] = lisp_cp_ip4_nodes, + [DPO_PROTO_IP6] = lisp_cp_ip6_nodes, + [DPO_PROTO_MPLS] = NULL, +}; + +clib_error_t * +lisp_cp_dpo_module_init (vlib_main_t * vm) +{ + /* + * there are no exit arcs from the LIS-CP VLIB node, so we + * pass NULL as said node array. + */ + dpo_register(DPO_LISP_CP, &lisp_cp_vft, lisp_cp_nodes); + + return (NULL); +} + +VLIB_INIT_FUNCTION(lisp_cp_dpo_module_init); |