FD.io VPP  v16.09
Vector Packet Processing
ip_init.c
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1 /*
2  * Copyright (c) 2015 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  * ip/ip_init.c: ip generic initialization
17  *
18  * Copyright (c) 2008 Eliot Dresselhaus
19  *
20  * Permission is hereby granted, free of charge, to any person obtaining
21  * a copy of this software and associated documentation files (the
22  * "Software"), to deal in the Software without restriction, including
23  * without limitation the rights to use, copy, modify, merge, publish,
24  * distribute, sublicense, and/or sell copies of the Software, and to
25  * permit persons to whom the Software is furnished to do so, subject to
26  * the following conditions:
27  *
28  * The above copyright notice and this permission notice shall be
29  * included in all copies or substantial portions of the Software.
30  *
31  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
32  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
33  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
34  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
35  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
36  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
37  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
38  */
39 
40 #include <vnet/ip/ip.h>
41 
43 
46 {
47  ip_main_t * im = &ip_main;
48  clib_error_t * error = 0;
49 
50  memset (im, 0, sizeof (im[0]));
51 
52  {
53  ip_protocol_info_t * pi;
54  u32 i;
55 
56 #define ip_protocol(n,s) \
57 do { \
58  vec_add2 (im->protocol_infos, pi, 1); \
59  pi->protocol = n; \
60  pi->name = (u8 *) #s; \
61 } while (0);
62 
63 #include "protocols.def"
64 
65 #undef ip_protocol
66 
68  for (i = 0; i < vec_len (im->protocol_infos); i++)
69  {
70  pi = im->protocol_infos + i;
71 
74  }
75  }
76 
77  {
79  u32 i;
80  static char * port_names[] =
81  {
82 #define ip_port(s,n) #s,
83 #include "ports.def"
84 #undef ip_port
85  };
86  static u16 ports[] =
87  {
88 #define ip_port(s,n) n,
89 #include "ports.def"
90 #undef ip_port
91  };
92 
93  vec_resize (im->port_infos, ARRAY_LEN (port_names));
94  im->port_info_by_name = hash_create_string (0, sizeof (uword));
95 
96  for (i = 0; i < vec_len (im->port_infos); i++)
97  {
98  pi = im->port_infos + i;
99  pi->port = clib_host_to_net_u16 (ports[i]);
100  pi->name = (u8 *) port_names[i];
101  hash_set_mem (im->port_info_by_name, pi->name, i);
102  hash_set (im->port_info_by_port, pi->port, i);
103  }
104  }
105 
106  if ((error = vlib_call_init_function (vm, vnet_main_init)))
107  return error;
108 
109  if ((error = vlib_call_init_function (vm, ip4_init)))
110  return error;
111 
112  if ((error = vlib_call_init_function (vm, ip6_init)))
113  return error;
114 
115  if ((error = vlib_call_init_function (vm, icmp4_init)))
116  return error;
117 
118  if ((error = vlib_call_init_function (vm, icmp6_init)))
119  return error;
120 
121  if ((error = vlib_call_init_function (vm, ip6_hop_by_hop_init)))
122  return error;
123 
124  if ((error = vlib_call_init_function (vm, udp_local_init)))
125  return error;
126 
127  if ((error = vlib_call_init_function (vm, udp_init)))
128  return error;
129 
130  if ((error = vlib_call_init_function (vm, ip_classify_init)))
131  return error;
132 
133  if ((error = vlib_call_init_function (vm, input_acl_init)))
134  return error;
135 
137  return error;
138 
139  return error;
140 }
141 
uword * protocol_info_by_name
Definition: ip.h:118
uword * protocol_info_by_protocol
Definition: ip.h:114
#define hash_set(h, key, value)
Definition: hash.h:254
static clib_error_t * ip_classify_init(vlib_main_t *vm)
Definition: ip_classify.c:362
sll srl srl sll sra u16x4 i
Definition: vector_sse2.h:343
clib_error_t * udp_local_init(vlib_main_t *vm)
Definition: udp_local.c:544
uword * port_info_by_name
Definition: ip.h:127
clib_error_t * udp_init(vlib_main_t *vm)
Definition: udp_init.c:43
clib_error_t * vnet_main_init(vlib_main_t *vm)
Definition: misc.c:72
static clib_error_t * ip6_init(vlib_main_t *vm)
Definition: ip6_input.c:310
#define hash_set_mem(h, key, value)
Definition: hash.h:274
Definition: ip.h:109
ip_protocol_t protocol
Definition: ip.h:79
#define VLIB_INIT_FUNCTION(x)
Definition: init.h:111
static clib_error_t * ip4_init(vlib_main_t *vm)
Definition: ip4_input.c:431
static clib_error_t * icmp6_init(vlib_main_t *vm)
Definition: icmp6.c:788
#define vec_resize(V, N)
Resize a vector (no header, unspecified alignment) Add N elements to end of given vector V...
Definition: vec.h:201
#define vlib_call_init_function(vm, x)
Definition: init.h:161
static clib_error_t * policer_classify_init(vlib_main_t *vm)
Definition: node_funcs.c:906
#define hash_create_string(elts, value_bytes)
Definition: hash.h:641
uword * port_info_by_port
Definition: ip.h:124
static clib_error_t * icmp4_init(vlib_main_t *vm)
Definition: icmp4.c:707
static clib_error_t * ip6_hop_by_hop_init(vlib_main_t *vm)
Definition: ip6_forward.c:2890
ip_protocol_info_t * protocol_infos
Definition: ip.h:111
ip_main_t ip_main
Definition: ip_init.c:42
#define ARRAY_LEN(x)
Definition: clib.h:59
clib_error_t * ip_main_init(vlib_main_t *vm)
Definition: ip_init.c:45
unsigned int u32
Definition: types.h:88
u64 uword
Definition: types.h:112
unsigned short u16
Definition: types.h:57
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
unsigned char u8
Definition: types.h:56
u8 * name
Definition: ip.h:76
tcp_udp_port_info_t * port_infos
Definition: ip.h:121
clib_error_t * input_acl_init(vlib_main_t *vm)
Definition: input_acl.c:193