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Vector Packet Processing
lib.c
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1 /*
2  * Copyright (c) 2020 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 <nat/lib/lib.h>
17 
18 uword
19 unformat_nat_protocol (unformat_input_t *input, va_list *args)
20 {
21  u32 *r = va_arg (*args, u32 *);
22 
23  if (0)
24  ;
25 #define _(N, i, n, s) else if (unformat (input, s)) *r = NAT_PROTOCOL_##N;
27 #undef _
28  else return 0;
29  return 1;
30 }
31 
32 u8 *
33 format_nat_protocol (u8 *s, va_list *args)
34 {
35  u32 i = va_arg (*args, u32);
36  u8 *t = 0;
37 
38  switch (i)
39  {
40 #define _(N, j, n, str) \
41  case NAT_PROTOCOL_##N: \
42  t = (u8 *) str; \
43  break;
45 #undef _
46  default : s = format (s, "unknown");
47  return s;
48  }
49  s = format (s, "%s", t);
50  return s;
51 }
52 
53 /*
54  * fd.io coding-style-patch-verification: ON
55  *
56  * Local Variables:
57  * eval: (c-set-style "gnu")
58  * End:
59  */
lib.h
NAT port/address allocation lib.
unformat_input_t
struct _unformat_input_t unformat_input_t
r
vnet_hw_if_output_node_runtime_t * r
Definition: interface_output.c:1089
unformat_nat_protocol
uword unformat_nat_protocol(unformat_input_t *input, va_list *args)
Definition: lib.c:19
foreach_nat_protocol
@ foreach_nat_protocol
Definition: lib.h:66
uword
u64 uword
Definition: types.h:112
format_nat_protocol
u8 * format_nat_protocol(u8 *s, va_list *args)
Definition: lib.c:33
format
description fragment has unexpected format
Definition: map.api:433
u32
unsigned int u32
Definition: types.h:88
u8
unsigned char u8
Definition: types.h:56
i
int i
Definition: flowhash_template.h:376