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>
23 device_input_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
30 VLIB_REGISTER_NODE (device_input_node) = {
31 .function = device_input_fn,
32 .name = "device-input",
33 .type = VLIB_NODE_TYPE_INPUT,
34 .state = VLIB_NODE_STATE_DISABLED,
35 .n_next_nodes = VNET_DEVICE_INPUT_N_NEXT_NODES,
36 .next_nodes = VNET_DEVICE_INPUT_NEXT_NODES,
39 /* Table defines how much we need to advance current data pointer
40 in the buffer if we shortcut to l3 nodes */
42 const u32 __attribute__((aligned (CLIB_CACHE_LINE_BYTES)))
43 device_input_next_node_advance[((VNET_DEVICE_INPUT_N_NEXT_NODES /
44 CLIB_CACHE_LINE_BYTES) +1) * CLIB_CACHE_LINE_BYTES] =
46 [VNET_DEVICE_INPUT_NEXT_IP4_INPUT] = sizeof (ethernet_header_t),
47 [VNET_DEVICE_INPUT_NEXT_IP4_NCS_INPUT] = sizeof (ethernet_header_t),
48 [VNET_DEVICE_INPUT_NEXT_IP6_INPUT] = sizeof (ethernet_header_t),
49 [VNET_DEVICE_INPUT_NEXT_MPLS_INPUT] = sizeof (ethernet_header_t),
52 VNET_FEATURE_ARC_INIT (device_input, static) =
54 .arc_name = "device-input",
55 .start_nodes = VNET_FEATURES ("device-input"),
56 .end_node = "ethernet-input",
57 .arc_index_ptr = &feature_main.device_input_feature_arc_index,
60 VNET_FEATURE_INIT (l2_patch, static) = {
61 .arc_name = "device-input",
62 .node_name = "l2-patch",
63 .runs_before = VNET_FEATURES ("ethernet-input"),
66 VNET_FEATURE_INIT (worker_handoff, static) = {
67 .arc_name = "device-input",
68 .node_name = "worker-handoff",
69 .runs_before = VNET_FEATURES ("ethernet-input"),
72 VNET_FEATURE_INIT (span_input, static) = {
73 .arc_name = "device-input",
74 .node_name = "span-input",
75 .runs_before = VNET_FEATURES ("ethernet-input"),
78 VNET_FEATURE_INIT (ethernet_input, static) = {
79 .arc_name = "device-input",
80 .node_name = "ethernet-input",
81 .runs_before = 0, /* not before any other features */
86 * fd.io coding-style-patch-verification: ON
89 * eval: (c-set-style "gnu")