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Vector Packet Processing
misc.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  * misc.c: vnet misc
17  *
18  * Copyright (c) 2012 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/vnet.h>
41 #include <vnet/ip/ip.h>
42 
44 
47 {
48  return &vnet_main;
49 }
50 
51 static uword
54 {
55  ASSERT (0);
56  return f->n_vectors;
57 }
58 
59 /* *INDENT-OFF* */
61  .name = "local",
62  .tx_function = vnet_local_interface_tx,
63 };
64 /* *INDENT-ON* */
65 
66 /* *INDENT-OFF* */
67 VNET_HW_INTERFACE_CLASS (vnet_local_interface_hw_class,static) = {
68  .name = "local",
69 };
70 /* *INDENT-ON* */
71 
74 {
75  vnet_main_t *vnm = vnet_get_main ();
76  u32 hw_if_index;
78 
79  vnm->vlib_main = vm;
80 
81  hw_if_index = vnet_register_interface
82  (vnm, vnet_local_interface_device_class.index, /* instance */ 0,
83  vnet_local_interface_hw_class.index, /* instance */ 0);
84  hw = vnet_get_hw_interface (vnm, hw_if_index);
85 
86  vnm->local_interface_hw_if_index = hw_if_index;
88 
89  /* the local interface is used as an input interface when decapping from
90  * an IPSEC tunnel. so it needs to be IP enabled */
93 
94  return 0;
95 }
96 
97 /* *INDENT-OFF* */
99 {
100  .init_order = VLIB_INITS("vnet_interface_init",
101  "ethernet_init",
102  "fib_module_init",
103  "mfib_module_init",
104  "ip_main_init",
105  "ip4_lookup_init",
106  "ip6_lookup_init",
107  "mpls_init",
108  "vnet_main_init"),
109 };
110 /* *INDENT-ON* */
111 
112 /*
113  * fd.io coding-style-patch-verification: ON
114  *
115  * Local Variables:
116  * eval: (c-set-style "gnu")
117  * End:
118  */
vnet_main_t::local_interface_hw_if_index
u32 local_interface_hw_if_index
Definition: vnet.h:78
vlib_frame_t::n_vectors
u16 n_vectors
Definition: node.h:387
f
vlib_frame_t * f
Definition: interface_output.c:1080
ip4_sw_interface_enable_disable
void ip4_sw_interface_enable_disable(u32 sw_if_index, u32 is_enable)
Definition: ip4_forward.c:601
vnet_hw_interface_t::sw_if_index
u32 sw_if_index
Definition: interface.h:670
node
vlib_main_t vlib_node_runtime_t * node
Definition: nat44_ei.c:3047
vm
vlib_main_t * vm
X-connect all packets from the HOST to the PHY.
Definition: nat44_ei.c:3047
vlib_frame_t
Definition: node.h:372
vnet_get_main
vnet_main_t * vnet_get_main(void)
Definition: misc.c:46
vnet_get_hw_interface
static vnet_hw_interface_t * vnet_get_hw_interface(vnet_main_t *vnm, u32 hw_if_index)
Definition: interface_funcs.h:44
vnet_main_init
clib_error_t * vnet_main_init(vlib_main_t *vm)
Definition: misc.c:73
uword
u64 uword
Definition: types.h:112
vnet_local_interface_device_class
vnet_device_class_t vnet_local_interface_device_class
vnet_main_t::vlib_main
vlib_main_t * vlib_main
Definition: vnet.h:111
VNET_DEVICE_CLASS
VNET_DEVICE_CLASS(vnet_local_interface_device_class)
vnet_hw_interface_t
Definition: interface.h:638
vnet_main_t
Definition: vnet.h:76
vnet_main_t::local_interface_sw_if_index
u32 local_interface_sw_if_index
Definition: vnet.h:79
ASSERT
#define ASSERT(truth)
Definition: error_bootstrap.h:69
ip.h
u32
unsigned int u32
Definition: types.h:88
VLIB_INIT_FUNCTION
#define VLIB_INIT_FUNCTION(x)
Definition: init.h:172
ip6_sw_interface_enable_disable
void ip6_sw_interface_enable_disable(u32 sw_if_index, u32 is_enable)
Definition: ip6_forward.c:239
vnet_main
vnet_main_t vnet_main
Definition: misc.c:43
vlib_main_t
Definition: main.h:102
VLIB_INITS
#define VLIB_INITS(...)
Definition: init.h:352
clib_error_t
Definition: clib_error.h:21
vlib_init_function_t
clib_error_t *() vlib_init_function_t(struct vlib_main_t *vm)
Definition: init.h:51
vnet_local_interface_tx
static uword vnet_local_interface_tx(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *f)
Definition: misc.c:52
vnet.h
VNET_HW_INTERFACE_CLASS
VNET_HW_INTERFACE_CLASS(vnet_local_interface_hw_class, static)
vlib_node_runtime_t
Definition: node.h:454
vnet_register_interface
u32 vnet_register_interface(vnet_main_t *vnm, u32 dev_class_index, u32 dev_instance, u32 hw_class_index, u32 hw_instance)
Definition: interface.c:812