2 * Copyright (c) 2017 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.
15 #include <vlib/vlib.h>
16 #include <vnet/vnet.h>
17 #include <vnet/pg/pg.h>
18 #include <vppinfra/error.h>
19 #include <vnet/ethernet/ethernet.h>
20 #include <vnet/ip/ip.h>
22 #include <nsh/nsh_packet.h>
23 #include <ioam/export-common/ioam_export.h>
31 extern ioam_export_main_t nsh_md2_ioam_export_main;
32 vlib_node_registration_t export_node;
33 /* packet trace format function */
35 format_export_trace (u8 * s, va_list * args)
37 CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
38 CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
39 export_trace_t *t = va_arg (*args, export_trace_t *);
41 s = format (s, "EXPORT: flow_label %d, next index %d",
42 t->flow_label, t->next_index);
46 vlib_node_registration_t nsh_md2_ioam_export_node;
48 #define foreach_export_error \
49 _(RECORDED, "Packets recorded for export")
53 #define _(sym,str) EXPORT_ERROR_##sym,
59 static char *export_error_strings[] = {
60 #define _(sym,string) string,
67 EXPORT_NEXT_NSH_MD2_IOAM_INPUT,
72 copy3cachelines (void *dst, const void *src, size_t n)
75 u64 *copy_dst, *copy_src;
77 copy_dst = (u64 *) dst;
78 copy_src = (u64 *) src;
79 if (PREDICT_FALSE (n < DEFAULT_EXPORT_SIZE))
81 for (i = 0; i < n / 64; i++)
83 copy_dst[0] = copy_src[0];
84 copy_dst[1] = copy_src[1];
85 copy_dst[2] = copy_src[2];
86 copy_dst[3] = copy_src[3];
87 copy_dst[4] = copy_src[4];
88 copy_dst[5] = copy_src[5];
89 copy_dst[6] = copy_src[6];
90 copy_dst[7] = copy_src[7];
96 for (i = 0; i < 3; i++)
98 copy_dst[0] = copy_src[0];
99 copy_dst[1] = copy_src[1];
100 copy_dst[2] = copy_src[2];
101 copy_dst[3] = copy_src[3];
102 copy_dst[4] = copy_src[4];
103 copy_dst[5] = copy_src[5];
104 copy_dst[6] = copy_src[6];
105 copy_dst[7] = copy_src[7];
112 nsh_md2_ioam_export_fixup_func (vlib_buffer_t * export_buf,
113 vlib_buffer_t * pak_buf)
115 /* Todo: on implementing analyse */
119 nsh_md2_ioam_export_node_fn (vlib_main_t * vm,
120 vlib_node_runtime_t * node, vlib_frame_t * frame)
122 ioam_export_main_t *em = &nsh_md2_ioam_export_main;
123 ioam_export_node_common (em, vm, node, frame, ip4_header_t, length,
124 ip_version_and_header_length,
125 EXPORT_NEXT_NSH_MD2_IOAM_INPUT,
126 nsh_md2_ioam_export_fixup_func);
127 return frame->n_vectors;
131 * Node for iOAM export
134 VLIB_REGISTER_NODE (nsh_md2_ioam_export_node) =
136 .function = nsh_md2_ioam_export_node_fn,
137 .name = "nsh-md2-ioam-export",
138 .vector_size = sizeof (u32),
139 .format_trace = format_export_trace,
140 .type = VLIB_NODE_TYPE_INTERNAL,
141 .n_errors = ARRAY_LEN (export_error_strings),
142 .error_strings = export_error_strings,
143 .n_next_nodes = EXPORT_N_NEXT,
144 /* edit / add dispositions here */
146 {[EXPORT_NEXT_NSH_MD2_IOAM_INPUT] = "nsh-pop"},
151 * fd.io coding-style-patch-verification: ON
154 * eval: (c-set-style "gnu")