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:
7 * http://www.apache.org/licenses/LICENSE-2.0
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.
16 #include <vnet/vnet.h>
17 #include <vnet/devices/devices.h>
18 #include <vnet/feature/feature.h>
19 #include <vnet/ip/ip.h>
20 #include <vnet/ethernet/ethernet.h>
22 vnet_device_main_t vnet_device_main;
25 device_input_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
32 VLIB_REGISTER_NODE (device_input_node) = {
33 .function = device_input_fn,
34 .name = "device-input",
35 .type = VLIB_NODE_TYPE_INPUT,
36 .state = VLIB_NODE_STATE_DISABLED,
37 .n_next_nodes = VNET_DEVICE_INPUT_N_NEXT_NODES,
38 .next_nodes = VNET_DEVICE_INPUT_NEXT_NODES,
41 /* Table defines how much we need to advance current data pointer
42 in the buffer if we shortcut to l3 nodes */
44 const u32 __attribute__((aligned (CLIB_CACHE_LINE_BYTES)))
45 device_input_next_node_advance[((VNET_DEVICE_INPUT_N_NEXT_NODES /
46 CLIB_CACHE_LINE_BYTES) +1) * CLIB_CACHE_LINE_BYTES] =
48 [VNET_DEVICE_INPUT_NEXT_IP4_INPUT] = sizeof (ethernet_header_t),
49 [VNET_DEVICE_INPUT_NEXT_IP4_NCS_INPUT] = sizeof (ethernet_header_t),
50 [VNET_DEVICE_INPUT_NEXT_IP6_INPUT] = sizeof (ethernet_header_t),
51 [VNET_DEVICE_INPUT_NEXT_MPLS_INPUT] = sizeof (ethernet_header_t),
54 VNET_FEATURE_ARC_INIT (device_input, static) =
56 .arc_name = "device-input",
57 .start_nodes = VNET_FEATURES ("device-input"),
58 .end_node = "ethernet-input",
59 .arc_index_ptr = &feature_main.device_input_feature_arc_index,
62 VNET_FEATURE_INIT (l2_patch, static) = {
63 .arc_name = "device-input",
64 .node_name = "l2-patch",
65 .runs_before = VNET_FEATURES ("ethernet-input"),
68 VNET_FEATURE_INIT (worker_handoff, static) = {
69 .arc_name = "device-input",
70 .node_name = "worker-handoff",
71 .runs_before = VNET_FEATURES ("ethernet-input"),
74 VNET_FEATURE_INIT (span_input, static) = {
75 .arc_name = "device-input",
76 .node_name = "span-input",
77 .runs_before = VNET_FEATURES ("ethernet-input"),
80 VNET_FEATURE_INIT (ethernet_input, static) = {
81 .arc_name = "device-input",
82 .node_name = "ethernet-input",
83 .runs_before = 0, /* not before any other features */
88 vnet_device_init (vlib_main_t * vm)
90 vnet_device_main_t *vdm = &vnet_device_main;
91 vlib_thread_main_t *tm = vlib_get_thread_main ();
93 vec_validate_aligned (vdm->workers, tm->n_vlib_mains - 1,
94 CLIB_CACHE_LINE_BYTES);
98 VLIB_INIT_FUNCTION (vnet_device_init);
100 * fd.io coding-style-patch-verification: ON
103 * eval: (c-set-style "gnu")