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-rw-r--r--src/vnet/devices/devices.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/src/vnet/devices/devices.c b/src/vnet/devices/devices.c
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+++ b/src/vnet/devices/devices.c
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+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vnet/vnet.h>
+#include <vnet/devices/devices.h>
+#include <vnet/feature/feature.h>
+#include <vnet/ip/ip.h>
+#include <vnet/ethernet/ethernet.h>
+
+static uword
+device_input_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (device_input_node) = {
+ .function = device_input_fn,
+ .name = "device-input",
+ .type = VLIB_NODE_TYPE_INPUT,
+ .state = VLIB_NODE_STATE_DISABLED,
+ .n_next_nodes = VNET_DEVICE_INPUT_N_NEXT_NODES,
+ .next_nodes = VNET_DEVICE_INPUT_NEXT_NODES,
+};
+
+/* Table defines how much we need to advance current data pointer
+ in the buffer if we shortcut to l3 nodes */
+
+const u32 __attribute__((aligned (CLIB_CACHE_LINE_BYTES)))
+device_input_next_node_advance[((VNET_DEVICE_INPUT_N_NEXT_NODES /
+ CLIB_CACHE_LINE_BYTES) +1) * CLIB_CACHE_LINE_BYTES] =
+{
+ [VNET_DEVICE_INPUT_NEXT_IP4_INPUT] = sizeof (ethernet_header_t),
+ [VNET_DEVICE_INPUT_NEXT_IP4_NCS_INPUT] = sizeof (ethernet_header_t),
+ [VNET_DEVICE_INPUT_NEXT_IP6_INPUT] = sizeof (ethernet_header_t),
+ [VNET_DEVICE_INPUT_NEXT_MPLS_INPUT] = sizeof (ethernet_header_t),
+};
+
+VNET_FEATURE_ARC_INIT (device_input, static) =
+{
+ .arc_name = "device-input",
+ .start_nodes = VNET_FEATURES ("device-input"),
+ .end_node = "ethernet-input",
+ .arc_index_ptr = &feature_main.device_input_feature_arc_index,
+};
+
+VNET_FEATURE_INIT (l2_patch, static) = {
+ .arc_name = "device-input",
+ .node_name = "l2-patch",
+ .runs_before = VNET_FEATURES ("ethernet-input"),
+};
+
+VNET_FEATURE_INIT (worker_handoff, static) = {
+ .arc_name = "device-input",
+ .node_name = "worker-handoff",
+ .runs_before = VNET_FEATURES ("ethernet-input"),
+};
+
+VNET_FEATURE_INIT (span_input, static) = {
+ .arc_name = "device-input",
+ .node_name = "span-input",
+ .runs_before = VNET_FEATURES ("ethernet-input"),
+};
+
+VNET_FEATURE_INIT (ethernet_input, static) = {
+ .arc_name = "device-input",
+ .node_name = "ethernet-input",
+ .runs_before = 0, /* not before any other features */
+};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */