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/*
* Copyright (c) 2020 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/vtep.h>
uword
vtep_addr_ref (vtep_table_t * t, u32 fib_index, ip46_address_t * ip)
{
vtep4_key_t key4 = {.addr = ip->ip4,.fib_index = fib_index };
vtep6_key_t key6 = {.addr = ip->ip6,.fib_index = fib_index };
uword *vtep = ip46_address_is_ip4 (ip) ?
hash_get (t->vtep4, key4.as_u64) : hash_get_mem (t->vtep6, &key6);
if (vtep)
return ++(*vtep);
ip46_address_is_ip4 (ip) ?
hash_set (t->vtep4, key4.as_u64, 1) :
hash_set_mem_alloc (&t->vtep6, &key6, 1);
return 1;
}
uword
vtep_addr_unref (vtep_table_t * t, u32 fib_index, ip46_address_t * ip)
{
vtep4_key_t key4 = {.addr = ip->ip4,.fib_index = fib_index };
vtep6_key_t key6 = {.addr = ip->ip6,.fib_index = fib_index };
uword *vtep = ip46_address_is_ip4 (ip) ?
hash_get (t->vtep4, key4.as_u64) : hash_get_mem (t->vtep6, &key6);
ALWAYS_ASSERT (vtep);
if (--(*vtep) != 0)
return *vtep;
ip46_address_is_ip4 (ip) ?
hash_unset (t->vtep4, key4.as_u64) :
hash_unset_mem_free (&t->vtep6, &key6);
return 0;
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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