1/*
2 * Copyright (c) 2018 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include <vnet/vnet.h>
17#include <vlibmemory/api.h>
18#include <vnet/mfib/mfib_api.h>
19#include <vnet/mfib/mfib_table.h>
20#include <vnet/fib/fib_api.h>
21#include <vnet/ip/ip_types_api.h>
22
23#include <vnet/vnet_msg_enum.h>
24
25#define vl_typedefs		/* define message structures */
26#include <vnet/vnet_all_api_h.h>
27#undef vl_typedefs
28
29#define vl_endianfun		/* define message structures */
30#include <vnet/vnet_all_api_h.h>
31#undef vl_endianfun
32
33/* instantiate all the print functions we know about */
34#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
35#define vl_printfun
36#include <vnet/vnet_all_api_h.h>
37#undef vl_printfun
38
39static vl_api_mfib_itf_flags_t
40mfib_api_path_itf_flags_encode (mfib_itf_flags_t flags)
41{
42    vl_api_mfib_itf_flags_t out = MFIB_API_ITF_FLAG_NONE;
43
44    switch (flags)
45    {
46    case MFIB_ITF_FLAG_NONE:
47        out = MFIB_API_ITF_FLAG_NONE;
48        break;
49    case MFIB_ITF_FLAG_NEGATE_SIGNAL:
50        out = MFIB_API_ITF_FLAG_NEGATE_SIGNAL;
51        break;
52    case MFIB_ITF_FLAG_ACCEPT:
53        out = MFIB_API_ITF_FLAG_ACCEPT;
54        break;
55    case MFIB_ITF_FLAG_FORWARD:
56        out = MFIB_API_ITF_FLAG_FORWARD;
57        break;
58    case MFIB_ITF_FLAG_SIGNAL_PRESENT:
59        out = MFIB_API_ITF_FLAG_SIGNAL_PRESENT;
60        break;
61    case MFIB_ITF_FLAG_DONT_PRESERVE:
62        out = MFIB_API_ITF_FLAG_DONT_PRESERVE;
63        break;
64    }
65    return (ntohl(out));
66}
67
68void
69mfib_api_path_encode (const fib_route_path_t *in,
70                      vl_api_mfib_path_t *out)
71{
72    out->itf_flags = mfib_api_path_itf_flags_encode(in->frp_mitf_flags);
73
74    fib_api_path_encode(in, &out->path);
75}
76
77static void
78mfib_api_path_itf_flags_decode (vl_api_mfib_itf_flags_t in,
79                                mfib_itf_flags_t *out)
80{
81    in = clib_net_to_host_u32(in);
82
83    if (in & MFIB_API_ITF_FLAG_NEGATE_SIGNAL)
84        *out |= MFIB_ITF_FLAG_NEGATE_SIGNAL;
85    if (in & MFIB_API_ITF_FLAG_ACCEPT)
86        *out |= MFIB_ITF_FLAG_ACCEPT;
87    if (in & MFIB_API_ITF_FLAG_FORWARD)
88        *out |= MFIB_ITF_FLAG_FORWARD;
89    if (in & MFIB_API_ITF_FLAG_SIGNAL_PRESENT)
90        *out |= MFIB_ITF_FLAG_SIGNAL_PRESENT;
91    if (in & MFIB_API_ITF_FLAG_DONT_PRESERVE)
92        *out |= MFIB_ITF_FLAG_DONT_PRESERVE;
93}
94
95int
96mfib_api_path_decode (vl_api_mfib_path_t *in,
97                      fib_route_path_t *out)
98{
99    mfib_api_path_itf_flags_decode(in->itf_flags, &out->frp_mitf_flags);
100
101    return (fib_api_path_decode(&in->path, out));
102}
103
104int
105mfib_api_table_id_decode (fib_protocol_t fproto,
106                          u32 table_id,
107                          u32 *fib_index)
108{
109    *fib_index = mfib_table_find(fproto, table_id);
110
111    if (INDEX_INVALID == *fib_index)
112    {
113        return VNET_API_ERROR_NO_SUCH_FIB;
114    }
115
116    return (0);
117}
118