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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 <vnet/fib/fib_entry_delegate.h>
#include <vnet/fib/fib_entry.h>
static fib_entry_delegate_t *
fib_entry_delegate_find_i (const fib_entry_t *fib_entry,
fib_entry_delegate_type_t type,
u32 *index)
{
fib_entry_delegate_t *delegate;
int ii;
ii = 0;
vec_foreach(delegate, fib_entry->fe_delegates)
{
if (delegate->fd_type == type)
{
if (NULL != index)
*index = ii;
return (delegate);
}
else
{
ii++;
}
}
return (NULL);
}
fib_entry_delegate_t *
fib_entry_delegate_get (const fib_entry_t *fib_entry,
fib_entry_delegate_type_t type)
{
return (fib_entry_delegate_find_i(fib_entry, type, NULL));
}
void
fib_entry_delegate_remove (fib_entry_t *fib_entry,
fib_entry_delegate_type_t type)
{
fib_entry_delegate_t *fed;
u32 index = ~0;
fed = fib_entry_delegate_find_i(fib_entry, type, &index);
ASSERT(NULL != fed);
vec_del1(fib_entry->fe_delegates, index);
}
static int
fib_entry_delegate_cmp_for_sort (void * v1,
void * v2)
{
fib_entry_delegate_t *delegate1 = v1, *delegate2 = v2;
return (delegate1->fd_type - delegate2->fd_type);
}
static void
fib_entry_delegate_init (fib_entry_t *fib_entry,
fib_entry_delegate_type_t type)
{
fib_entry_delegate_t delegate = {
.fd_entry_index = fib_entry_get_index(fib_entry),
.fd_type = type,
};
vec_add1(fib_entry->fe_delegates, delegate);
vec_sort_with_function(fib_entry->fe_delegates,
fib_entry_delegate_cmp_for_sort);
}
fib_entry_delegate_t *
fib_entry_delegate_find_or_add (fib_entry_t *fib_entry,
fib_entry_delegate_type_t fdt)
{
fib_entry_delegate_t *delegate;
delegate = fib_entry_delegate_get(fib_entry, fdt);
if (NULL == delegate)
{
fib_entry_delegate_init(fib_entry, fdt);
}
return (fib_entry_delegate_get(fib_entry, fdt));
}
fib_entry_delegate_type_t
fib_entry_chain_type_to_delegate_type (fib_forward_chain_type_t fct)
{
switch (fct)
{
case FIB_FORW_CHAIN_TYPE_UNICAST_IP4:
return (FIB_ENTRY_DELEGATE_CHAIN_UNICAST_IP4);
case FIB_FORW_CHAIN_TYPE_UNICAST_IP6:
return (FIB_ENTRY_DELEGATE_CHAIN_UNICAST_IP6);
case FIB_FORW_CHAIN_TYPE_MPLS_EOS:
return (FIB_ENTRY_DELEGATE_CHAIN_MPLS_EOS);
case FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS:
return (FIB_ENTRY_DELEGATE_CHAIN_MPLS_NON_EOS);
case FIB_FORW_CHAIN_TYPE_ETHERNET:
return (FIB_ENTRY_DELEGATE_CHAIN_ETHERNET);
case FIB_FORW_CHAIN_TYPE_MCAST_IP4:
case FIB_FORW_CHAIN_TYPE_MCAST_IP6:
break;
}
ASSERT(0);
return (FIB_ENTRY_DELEGATE_CHAIN_UNICAST_IP4);
}
fib_forward_chain_type_t
fib_entry_delegate_type_to_chain_type (fib_entry_delegate_type_t fdt)
{
switch (fdt)
{
case FIB_ENTRY_DELEGATE_CHAIN_UNICAST_IP4:
return (FIB_FORW_CHAIN_TYPE_UNICAST_IP4);
case FIB_ENTRY_DELEGATE_CHAIN_UNICAST_IP6:
return (FIB_FORW_CHAIN_TYPE_UNICAST_IP6);
case FIB_ENTRY_DELEGATE_CHAIN_MPLS_EOS:
return (FIB_FORW_CHAIN_TYPE_MPLS_EOS);
case FIB_ENTRY_DELEGATE_CHAIN_MPLS_NON_EOS:
return (FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS);
case FIB_ENTRY_DELEGATE_CHAIN_ETHERNET:
return (FIB_FORW_CHAIN_TYPE_ETHERNET);
case FIB_ENTRY_DELEGATE_COVERED:
case FIB_ENTRY_DELEGATE_ATTACHED_IMPORT:
case FIB_ENTRY_DELEGATE_ATTACHED_EXPORT:
break;
}
ASSERT(0);
return (FIB_FORW_CHAIN_TYPE_UNICAST_IP4);
}
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