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/*
* 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 "sixrd_dpo.h"
#include <vnet/ip/ip.h>
/**
* pool of all MPLS Label DPOs
*/
sixrd_dpo_t *sixrd_dpo_pool;
/**
* The register SIXRD DPO type
*/
dpo_type_t sixrd_dpo_type;
static sixrd_dpo_t *
sixrd_dpo_alloc (void)
{
sixrd_dpo_t *sd;
pool_get_aligned(sixrd_dpo_pool, sd, CLIB_CACHE_LINE_BYTES);
memset(sd, 0, sizeof(*sd));
return (sd);
}
static index_t
sixrd_dpo_get_index (sixrd_dpo_t *sd)
{
return (sd - sixrd_dpo_pool);
}
void
sixrd_dpo_create (dpo_proto_t dproto,
u32 domain_index,
dpo_id_t *dpo)
{
sixrd_dpo_t *sd;
sd = sixrd_dpo_alloc();
sd->sd_domain = domain_index;
sd->sd_proto = dproto;
dpo_set(dpo,
sixrd_dpo_type,
dproto,
sixrd_dpo_get_index(sd));
}
u8*
format_sixrd_dpo (u8 *s, va_list *args)
{
index_t index = va_arg (*args, index_t);
CLIB_UNUSED(u32 indent) = va_arg (*args, u32);
sixrd_dpo_t *sd;
sd = sixrd_dpo_get(index);
return (format(s, "sixrd:[%d]:%U domain:%d",
index,
format_dpo_proto, sd->sd_proto,
sd->sd_domain));
}
static void
sixrd_dpo_lock (dpo_id_t *dpo)
{
sixrd_dpo_t *sd;
sd = sixrd_dpo_get(dpo->dpoi_index);
sd->sd_locks++;
}
static void
sixrd_dpo_unlock (dpo_id_t *dpo)
{
sixrd_dpo_t *sd;
sd = sixrd_dpo_get(dpo->dpoi_index);
sd->sd_locks--;
if (0 == sd->sd_locks)
{
pool_put(sixrd_dpo_pool, sd);
}
}
const static dpo_vft_t sd_vft = {
.dv_lock = sixrd_dpo_lock,
.dv_unlock = sixrd_dpo_unlock,
.dv_format = format_sixrd_dpo,
};
const static char* const sixrd_ip4_nodes[] =
{
"ip4-sixrd",
NULL,
};
const static char* const sixrd_ip6_nodes[] =
{
"ip6-sixrd",
NULL,
};
const static char* const * const sixrd_nodes[DPO_PROTO_NUM] =
{
[DPO_PROTO_IP4] = sixrd_ip4_nodes,
[DPO_PROTO_IP6] = sixrd_ip6_nodes,
[DPO_PROTO_MPLS] = NULL,
};
void
sixrd_dpo_module_init (void)
{
sixrd_dpo_type = dpo_register_new_type(&sd_vft, sixrd_nodes);
}
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