From 7cd468a3d7dee7d6c92f69a0bb7061ae208ec727 Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Mon, 19 Dec 2016 23:05:39 +0100 Subject: Reorganize source tree to use single autotools instance Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23 Signed-off-by: Damjan Marion --- src/vnet/mpls/mpls_features.c | 156 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 156 insertions(+) create mode 100644 src/vnet/mpls/mpls_features.c (limited to 'src/vnet/mpls/mpls_features.c') diff --git a/src/vnet/mpls/mpls_features.c b/src/vnet/mpls/mpls_features.c new file mode 100644 index 00000000..a7593c55 --- /dev/null +++ b/src/vnet/mpls/mpls_features.c @@ -0,0 +1,156 @@ +/* + * mpls_features.c: MPLS input and output features + * + * Copyright (c) 2016 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 + +always_inline uword +mpls_terminate (vlib_main_t * vm, + vlib_node_runtime_t * node, + vlib_frame_t * frame, + int error_code) +{ + u32 * buffers = vlib_frame_vector_args (frame); + uword n_packets = frame->n_vectors; + + vlib_error_drop_buffers (vm, node, + buffers, + /* stride */ 1, + n_packets, + /* next */ 0, + mpls_input_node.index, + error_code); + + return n_packets; +} + +static uword +mpls_punt (vlib_main_t * vm, + vlib_node_runtime_t * node, + vlib_frame_t * frame) +{ + return (mpls_terminate(vm, node, frame, MPLS_ERROR_PUNT)); +} + +VLIB_REGISTER_NODE (mpls_punt_node) = { + .function = mpls_punt, + .name = "mpls-punt", + .vector_size = sizeof (u32), + + .n_next_nodes = 1, + .next_nodes = { + [0] = "error-punt", + }, +}; + +VLIB_NODE_FUNCTION_MULTIARCH (mpls_punt_node, mpls_punt) + +static uword +mpls_drop (vlib_main_t * vm, + vlib_node_runtime_t * node, + vlib_frame_t * frame) +{ + return (mpls_terminate(vm, node, frame, MPLS_ERROR_DROP)); +} + +VLIB_REGISTER_NODE (mpls_drop_node) = { + .function = mpls_drop, + .name = "mpls-drop", + .vector_size = sizeof (u32), + + .n_next_nodes = 1, + .next_nodes = { + [0] = "error-drop", + }, +}; + +VLIB_NODE_FUNCTION_MULTIARCH (mpls_drop_node, mpls_drop) + +static uword +mpls_not_enabled (vlib_main_t * vm, + vlib_node_runtime_t * node, + vlib_frame_t * frame) +{ + return (mpls_terminate(vm, node, frame, MPLS_ERROR_NOT_ENABLED)); +} + +VLIB_REGISTER_NODE (mpls_not_enabled_node) = { + .function = mpls_not_enabled, + .name = "mpls-not-enabled", + .vector_size = sizeof (u32), + + .n_next_nodes = 1, + .next_nodes = { + [0] = "error-drop", + }, +}; + +VLIB_NODE_FUNCTION_MULTIARCH (mpls_not_enabled_node, mpls_not_enabled) + +VNET_FEATURE_ARC_INIT (mpls_input, static) = +{ + .arc_name = "mpls-input", + .start_nodes = VNET_FEATURES ("mpls-input"), + .arc_index_ptr = &mpls_main.input_feature_arc_index, +}; + +VNET_FEATURE_INIT (mpls_lookup, static) = { + .arc_name = "mpls-input", + .node_name = "mpls-lookup", + .runs_before = VNET_FEATURES ("mpls-not-enabled"), +}; + +VNET_FEATURE_INIT (mpls_not_enabled, static) = { + .arc_name = "mpls-input", + .node_name = "mpls-not-enabled", + .runs_before = VNET_FEATURES (0), /* not before any other features */ +}; + +VNET_FEATURE_ARC_INIT (mpls_output, static) = +{ + .arc_name = "mpls-output", + .start_nodes = VNET_FEATURES ("mpls-output", "mpls-midchain"), + .arc_index_ptr = &mpls_main.output_feature_arc_index, +}; + +/* Built-in ip4 tx feature path definition */ +VNET_FEATURE_INIT (mpls_interface_output, static) = { + .arc_name = "mpls-output", + .node_name = "interface-output", + .runs_before = 0, /* not before any other features */ +}; + +static clib_error_t * +mpls_sw_interface_add_del (vnet_main_t * vnm, + u32 sw_if_index, + u32 is_add) +{ + mpls_main_t * mm = &mpls_main; + + vec_validate_init_empty (mm->mpls_enabled_by_sw_if_index, sw_if_index, 0); + vec_validate_init_empty (mm->fib_index_by_sw_if_index, sw_if_index, 0); + + vnet_feature_enable_disable ("mpls-input", "mpls-not-enabled", sw_if_index, + is_add, 0, 0); + vnet_feature_enable_disable ("mpls-output", "interface-output", sw_if_index, + is_add, 0, 0); + + return /* no error */ 0; +} + +VNET_SW_INTERFACE_ADD_DEL_FUNCTION (mpls_sw_interface_add_del); + + -- cgit 1.2.3-korg