diff options
Diffstat (limited to 'vpp/vnet/vnet/map/map_dpo.c')
| -rw-r--r-- | vpp/vnet/vnet/map/map_dpo.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/vpp/vnet/vnet/map/map_dpo.c b/vpp/vnet/vnet/map/map_dpo.c new file mode 100644 index 00000000..df2b5fa4 --- /dev/null +++ b/vpp/vnet/vnet/map/map_dpo.c @@ -0,0 +1,191 @@ +/* + * 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); +} |