2 * Copyright (c) 2016 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/ip/ip.h>
20 #include <ioam/export-common/ioam_export.h>
28 /* packet trace format function */
30 format_export_trace (u8 * s, va_list * args)
32 CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
33 CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
34 export_trace_t *t = va_arg (*args, export_trace_t *);
36 s = format (s, "EXPORT: flow_label %d, next index %d",
37 t->flow_label, t->next_index);
41 vlib_node_registration_t export_node;
43 #define foreach_export_error \
44 _(RECORDED, "Packets recorded for export")
48 #define _(sym,str) EXPORT_ERROR_##sym,
54 static char *export_error_strings[] = {
55 #define _(sym,string) string,
67 copy3cachelines (void *dst, const void *src, size_t n)
70 if (PREDICT_FALSE (n < DEFAULT_EXPORT_SIZE))
72 /* Copy only the first 1/2 cache lines whatever is available */
74 clib_mov64 ((u8 *) dst, (const u8 *) src);
76 clib_mov64 ((u8 *) dst + 64, (const u8 *) src + 64);
79 clib_mov64 ((u8 *) dst, (const u8 *) src);
80 clib_mov64 ((u8 *) dst + 64, (const u8 *) src + 64);
81 clib_mov64 ((u8 *) dst + 128, (const u8 *) src + 128);
85 u64 *copy_dst, *copy_src;
87 copy_dst = (u64 *) dst;
88 copy_src = (u64 *) src;
89 if (PREDICT_FALSE (n < DEFAULT_EXPORT_SIZE))
91 for (i = 0; i < n / 64; i++)
93 copy_dst[0] = copy_src[0];
94 copy_dst[1] = copy_src[1];
95 copy_dst[2] = copy_src[2];
96 copy_dst[3] = copy_src[3];
97 copy_dst[4] = copy_src[4];
98 copy_dst[5] = copy_src[5];
99 copy_dst[6] = copy_src[6];
100 copy_dst[7] = copy_src[7];
106 for (i = 0; i < 3; i++)
108 copy_dst[0] = copy_src[0];
109 copy_dst[1] = copy_src[1];
110 copy_dst[2] = copy_src[2];
111 copy_dst[3] = copy_src[3];
112 copy_dst[4] = copy_src[4];
113 copy_dst[5] = copy_src[5];
114 copy_dst[6] = copy_src[6];
115 copy_dst[7] = copy_src[7];
123 ip6_export_node_fn (vlib_main_t * vm,
124 vlib_node_runtime_t * node, vlib_frame_t * frame)
126 ioam_export_main_t *em = &ioam_export_main;
127 ioam_export_node_common(em, vm, node, frame, ip6_header_t, payload_length,
128 ip_version_traffic_class_and_flow_label,
129 EXPORT_NEXT_POP_HBYH);
130 return frame->n_vectors;
134 * Node for IP6 export
136 VLIB_REGISTER_NODE (export_node) =
138 .function = ip6_export_node_fn,
139 .name = "ip6-export",
140 .vector_size = sizeof (u32),
141 .format_trace = format_export_trace,
142 .type = VLIB_NODE_TYPE_INTERNAL,
143 .n_errors = ARRAY_LEN (export_error_strings),
144 .error_strings = export_error_strings,
145 .n_next_nodes = EXPORT_N_NEXT,
146 /* edit / add dispositions here */
149 [EXPORT_NEXT_POP_HBYH] = "ip6-pop-hop-by-hop"