blob: 3363f76b722ce8af9314924ab772989eb9a48b16 [file] [log] [blame]
Ed Warnickecb9cada2015-12-08 15:45:58 -07001/*
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:
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
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.
14 */
15/*
16 * interface_output.c: interface output node
17 *
18 * Copyright (c) 2008 Eliot Dresselhaus
19 *
20 * Permission is hereby granted, free of charge, to any person obtaining
21 * a copy of this software and associated documentation files (the
22 * "Software"), to deal in the Software without restriction, including
23 * without limitation the rights to use, copy, modify, merge, publish,
24 * distribute, sublicense, and/or sell copies of the Software, and to
25 * permit persons to whom the Software is furnished to do so, subject to
26 * the following conditions:
27 *
28 * The above copyright notice and this permission notice shall be
29 * included in all copies or substantial portions of the Software.
30 *
31 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
32 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
33 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
34 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
35 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
36 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
37 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
38 */
39
40#include <vnet/vnet.h>
Dave Barach2c0a4f42017-06-29 09:30:15 -040041#include <vnet/ip/icmp46_packet.h>
Dave Barach4330c462020-06-10 17:07:32 -040042#include <vnet/ethernet/packet.h>
Florin Corasb040f982020-10-20 14:59:43 -070043#include <vnet/ip/format.h>
Dave Barach2c0a4f42017-06-29 09:30:15 -040044#include <vnet/ip/ip4.h>
45#include <vnet/ip/ip6.h>
46#include <vnet/udp/udp_packet.h>
Damjan Marion152e21d2016-11-29 14:55:43 +010047#include <vnet/feature/feature.h>
Dave Barach9137e542019-09-13 17:47:50 -040048#include <vnet/classify/trace_classify.h>
Dave Barach1bd2c012020-04-12 08:31:39 -040049#include <vnet/interface_output.h>
Ed Warnickecb9cada2015-12-08 15:45:58 -070050
Dave Barachba868bb2016-08-08 09:51:21 -040051typedef struct
52{
Ed Warnickecb9cada2015-12-08 15:45:58 -070053 u32 sw_if_index;
Andrew Yourtchenko6a7cff72018-10-12 16:09:22 +020054 u32 flags;
Mohsin Kazmi29467b52019-10-08 19:42:38 +020055 u8 data[128 - 2 * sizeof (u32)];
Dave Barachba868bb2016-08-08 09:51:21 -040056}
57interface_output_trace_t;
Ed Warnickecb9cada2015-12-08 15:45:58 -070058
Filip Tehlar62668772019-03-04 03:33:32 -080059#ifndef CLIB_MARCH_VARIANT
Dave Barachba868bb2016-08-08 09:51:21 -040060u8 *
61format_vnet_interface_output_trace (u8 * s, va_list * va)
Ed Warnickecb9cada2015-12-08 15:45:58 -070062{
63 CLIB_UNUSED (vlib_main_t * vm) = va_arg (*va, vlib_main_t *);
Dave Barachba868bb2016-08-08 09:51:21 -040064 vlib_node_t *node = va_arg (*va, vlib_node_t *);
65 interface_output_trace_t *t = va_arg (*va, interface_output_trace_t *);
66 vnet_main_t *vnm = vnet_get_main ();
67 vnet_sw_interface_t *si;
Christophe Fontained3c008d2017-10-02 18:10:54 +020068 u32 indent;
Ed Warnickecb9cada2015-12-08 15:45:58 -070069
Dave Barachba868bb2016-08-08 09:51:21 -040070 if (t->sw_if_index != (u32) ~ 0)
Ed Warnickecb9cada2015-12-08 15:45:58 -070071 {
Ed Warnickecb9cada2015-12-08 15:45:58 -070072 indent = format_get_indent (s);
Dave Barachba868bb2016-08-08 09:51:21 -040073
Neale Ranns177bbdc2016-11-15 09:46:51 +000074 if (pool_is_free_index
75 (vnm->interface_main.sw_interfaces, t->sw_if_index))
76 {
77 /* the interface may have been deleted by the time the trace is printed */
Andrew Yourtchenko6a7cff72018-10-12 16:09:22 +020078 s = format (s, "sw_if_index: %d ", t->sw_if_index);
Neale Ranns177bbdc2016-11-15 09:46:51 +000079 }
80 else
81 {
82 si = vnet_get_sw_interface (vnm, t->sw_if_index);
Andrew Yourtchenko6a7cff72018-10-12 16:09:22 +020083 s =
84 format (s, "%U ", format_vnet_sw_interface_name, vnm, si,
85 t->flags);
Neale Ranns177bbdc2016-11-15 09:46:51 +000086 }
Andrew Yourtchenko6a7cff72018-10-12 16:09:22 +020087 s =
88 format (s, "\n%U%U", format_white_space, indent,
89 node->format_buffer ? node->format_buffer : format_hex_bytes,
90 t->data, sizeof (t->data));
Ed Warnickecb9cada2015-12-08 15:45:58 -070091 }
92 return s;
93}
BenoƮt Ganne7d2094c2020-11-09 15:23:52 +010094#endif /* CLIB_MARCH_VARIANT */
Ed Warnickecb9cada2015-12-08 15:45:58 -070095
96static void
97vnet_interface_output_trace (vlib_main_t * vm,
98 vlib_node_runtime_t * node,
Dave Barachba868bb2016-08-08 09:51:21 -040099 vlib_frame_t * frame, uword n_buffers)
Ed Warnickecb9cada2015-12-08 15:45:58 -0700100{
Dave Barachba868bb2016-08-08 09:51:21 -0400101 u32 n_left, *from;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700102
103 n_left = n_buffers;
Damjan Mariona3d59862018-11-10 10:23:00 +0100104 from = vlib_frame_vector_args (frame);
Dave Barachba868bb2016-08-08 09:51:21 -0400105
Ed Warnickecb9cada2015-12-08 15:45:58 -0700106 while (n_left >= 4)
107 {
108 u32 bi0, bi1;
Dave Barachba868bb2016-08-08 09:51:21 -0400109 vlib_buffer_t *b0, *b1;
110 interface_output_trace_t *t0, *t1;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700111
112 /* Prefetch next iteration. */
113 vlib_prefetch_buffer_with_index (vm, from[2], LOAD);
114 vlib_prefetch_buffer_with_index (vm, from[3], LOAD);
115
116 bi0 = from[0];
117 bi1 = from[1];
118
119 b0 = vlib_get_buffer (vm, bi0);
120 b1 = vlib_get_buffer (vm, bi1);
121
122 if (b0->flags & VLIB_BUFFER_IS_TRACED)
123 {
124 t0 = vlib_add_trace (vm, node, b0, sizeof (t0[0]));
125 t0->sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX];
Andrew Yourtchenko6a7cff72018-10-12 16:09:22 +0200126 t0->flags = b0->flags;
Dave Barach178cf492018-11-13 16:34:13 -0500127 clib_memcpy_fast (t0->data, vlib_buffer_get_current (b0),
128 sizeof (t0->data));
Ed Warnickecb9cada2015-12-08 15:45:58 -0700129 }
130 if (b1->flags & VLIB_BUFFER_IS_TRACED)
131 {
132 t1 = vlib_add_trace (vm, node, b1, sizeof (t1[0]));
133 t1->sw_if_index = vnet_buffer (b1)->sw_if_index[VLIB_TX];
Andrew Yourtchenko6a7cff72018-10-12 16:09:22 +0200134 t1->flags = b1->flags;
Dave Barach178cf492018-11-13 16:34:13 -0500135 clib_memcpy_fast (t1->data, vlib_buffer_get_current (b1),
136 sizeof (t1->data));
Ed Warnickecb9cada2015-12-08 15:45:58 -0700137 }
138 from += 2;
139 n_left -= 2;
140 }
141
142 while (n_left >= 1)
143 {
144 u32 bi0;
Dave Barachba868bb2016-08-08 09:51:21 -0400145 vlib_buffer_t *b0;
146 interface_output_trace_t *t0;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700147
148 bi0 = from[0];
149
150 b0 = vlib_get_buffer (vm, bi0);
151
152 if (b0->flags & VLIB_BUFFER_IS_TRACED)
153 {
154 t0 = vlib_add_trace (vm, node, b0, sizeof (t0[0]));
155 t0->sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX];
Andrew Yourtchenko6a7cff72018-10-12 16:09:22 +0200156 t0->flags = b0->flags;
Dave Barach178cf492018-11-13 16:34:13 -0500157 clib_memcpy_fast (t0->data, vlib_buffer_get_current (b0),
158 sizeof (t0->data));
Ed Warnickecb9cada2015-12-08 15:45:58 -0700159 }
160 from += 1;
161 n_left -= 1;
162 }
163}
164
Dave Barach2c0a4f42017-06-29 09:30:15 -0400165static_always_inline uword
Mohsin Kazmi29467b52019-10-08 19:42:38 +0200166vnet_interface_output_node_inline (vlib_main_t * vm,
167 vlib_node_runtime_t * node,
168 vlib_frame_t * frame,
169 vnet_main_t * vnm,
170 vnet_hw_interface_t * hi,
171 int do_tx_offloads)
Dave Barach2c0a4f42017-06-29 09:30:15 -0400172{
Dave Barachba868bb2016-08-08 09:51:21 -0400173 vnet_interface_output_runtime_t *rt = (void *) node->runtime_data;
174 vnet_sw_interface_t *si;
Dave Barachba868bb2016-08-08 09:51:21 -0400175 u32 n_left_to_tx, *from, *from_end, *to_tx;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700176 u32 n_bytes, n_buffers, n_packets;
Damjan Marion363640d2017-03-06 11:53:10 +0100177 u32 n_bytes_b0, n_bytes_b1, n_bytes_b2, n_bytes_b3;
Damjan Marion586afd72017-04-05 19:18:20 +0200178 u32 thread_index = vm->thread_index;
Dave Barachba868bb2016-08-08 09:51:21 -0400179 vnet_interface_main_t *im = &vnm->interface_main;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700180 u32 next_index = VNET_INTERFACE_OUTPUT_NEXT_TX;
Damjan Marion152e21d2016-11-29 14:55:43 +0100181 u32 current_config_index = ~0;
182 u8 arc = im->output_feature_arc_index;
Zhiyong Yanga462c072019-05-05 19:32:25 +0800183 vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b = bufs;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700184
185 n_buffers = frame->n_vectors;
186
187 if (node->flags & VLIB_NODE_FLAG_TRACE)
188 vnet_interface_output_trace (vm, node, frame, n_buffers);
189
Damjan Mariona3d59862018-11-10 10:23:00 +0100190 from = vlib_frame_vector_args (frame);
Zhiyong Yanga462c072019-05-05 19:32:25 +0800191 vlib_get_buffers (vm, from, b, n_buffers);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700192
193 if (rt->is_deleted)
Dave Barachba868bb2016-08-08 09:51:21 -0400194 return vlib_error_drop_buffers (vm, node, from,
Ed Warnickecb9cada2015-12-08 15:45:58 -0700195 /* buffer stride */ 1,
196 n_buffers,
197 VNET_INTERFACE_OUTPUT_NEXT_DROP,
198 node->node_index,
199 VNET_INTERFACE_OUTPUT_ERROR_INTERFACE_DELETED);
200
201 si = vnet_get_sw_interface (vnm, rt->sw_if_index);
202 hi = vnet_get_sup_hw_interface (vnm, rt->sw_if_index);
Steven Luong5ad541e2019-08-27 07:43:27 -0700203 if (!(si->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ||
Dave Barachba868bb2016-08-08 09:51:21 -0400204 !(hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
Ed Warnickecb9cada2015-12-08 15:45:58 -0700205 {
Dave Barachba868bb2016-08-08 09:51:21 -0400206 vlib_simple_counter_main_t *cm;
207
Ed Warnickecb9cada2015-12-08 15:45:58 -0700208 cm = vec_elt_at_index (vnm->interface_main.sw_if_counters,
Dave Barachba868bb2016-08-08 09:51:21 -0400209 VNET_INTERFACE_COUNTER_TX_ERROR);
Damjan Marion586afd72017-04-05 19:18:20 +0200210 vlib_increment_simple_counter (cm, thread_index,
Dave Barachba868bb2016-08-08 09:51:21 -0400211 rt->sw_if_index, n_buffers);
212
213 return vlib_error_drop_buffers (vm, node, from,
214 /* buffer stride */ 1,
215 n_buffers,
216 VNET_INTERFACE_OUTPUT_NEXT_DROP,
217 node->node_index,
218 VNET_INTERFACE_OUTPUT_ERROR_INTERFACE_DOWN);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700219 }
220
221 from_end = from + n_buffers;
222
223 /* Total byte count of all buffers. */
224 n_bytes = 0;
225 n_packets = 0;
226
Damjan Marion152e21d2016-11-29 14:55:43 +0100227 /* interface-output feature arc handling */
228 if (PREDICT_FALSE (vnet_have_features (arc, rt->sw_if_index)))
229 {
230 vnet_feature_config_main_t *fcm;
231 fcm = vnet_feature_get_config_main (arc);
232 current_config_index = vnet_get_feature_config_index (arc,
233 rt->sw_if_index);
234 vnet_get_config_data (&fcm->config_main, &current_config_index,
235 &next_index, 0);
236 }
237
Ed Warnickecb9cada2015-12-08 15:45:58 -0700238 while (from < from_end)
239 {
240 /* Get new next frame since previous incomplete frame may have less
Dave Barachba868bb2016-08-08 09:51:21 -0400241 than VNET_FRAME_SIZE vectors in it. */
242 vlib_get_new_next_frame (vm, node, next_index, to_tx, n_left_to_tx);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700243
Damjan Marion363640d2017-03-06 11:53:10 +0100244 while (from + 8 <= from_end && n_left_to_tx >= 4)
Ed Warnickecb9cada2015-12-08 15:45:58 -0700245 {
Damjan Marion363640d2017-03-06 11:53:10 +0100246 u32 bi0, bi1, bi2, bi3;
Damjan Marion363640d2017-03-06 11:53:10 +0100247 u32 tx_swif0, tx_swif1, tx_swif2, tx_swif3;
Dave Barach2c0a4f42017-06-29 09:30:15 -0400248 u32 or_flags;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700249
250 /* Prefetch next iteration. */
Zhiyong Yanga462c072019-05-05 19:32:25 +0800251 vlib_prefetch_buffer_header (b[4], LOAD);
252 vlib_prefetch_buffer_header (b[5], LOAD);
253 vlib_prefetch_buffer_header (b[6], LOAD);
254 vlib_prefetch_buffer_header (b[7], LOAD);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700255
256 bi0 = from[0];
257 bi1 = from[1];
Damjan Marion363640d2017-03-06 11:53:10 +0100258 bi2 = from[2];
259 bi3 = from[3];
Ed Warnickecb9cada2015-12-08 15:45:58 -0700260 to_tx[0] = bi0;
261 to_tx[1] = bi1;
Damjan Marion363640d2017-03-06 11:53:10 +0100262 to_tx[2] = bi2;
263 to_tx[3] = bi3;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700264
Zhiyong Yanga462c072019-05-05 19:32:25 +0800265 or_flags = b[0]->flags | b[1]->flags | b[2]->flags | b[3]->flags;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700266
Zhiyong Yanga462c072019-05-05 19:32:25 +0800267 from += 4;
268 to_tx += 4;
269 n_left_to_tx -= 4;
Andrew Yourtchenko6a7cff72018-10-12 16:09:22 +0200270
Ed Warnickecb9cada2015-12-08 15:45:58 -0700271 /* Be grumpy about zero length buffers for benefit of
272 driver tx function. */
Zhiyong Yanga462c072019-05-05 19:32:25 +0800273 ASSERT (b[0]->current_length > 0);
274 ASSERT (b[1]->current_length > 0);
275 ASSERT (b[2]->current_length > 0);
276 ASSERT (b[3]->current_length > 0);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700277
Zhiyong Yanga462c072019-05-05 19:32:25 +0800278 n_bytes_b0 = vlib_buffer_length_in_chain (vm, b[0]);
279 n_bytes_b1 = vlib_buffer_length_in_chain (vm, b[1]);
280 n_bytes_b2 = vlib_buffer_length_in_chain (vm, b[2]);
281 n_bytes_b3 = vlib_buffer_length_in_chain (vm, b[3]);
282 tx_swif0 = vnet_buffer (b[0])->sw_if_index[VLIB_TX];
283 tx_swif1 = vnet_buffer (b[1])->sw_if_index[VLIB_TX];
284 tx_swif2 = vnet_buffer (b[2])->sw_if_index[VLIB_TX];
285 tx_swif3 = vnet_buffer (b[3])->sw_if_index[VLIB_TX];
Ed Warnickecb9cada2015-12-08 15:45:58 -0700286
287 n_bytes += n_bytes_b0 + n_bytes_b1;
Damjan Marion363640d2017-03-06 11:53:10 +0100288 n_bytes += n_bytes_b2 + n_bytes_b3;
289 n_packets += 4;
Dave Barachba868bb2016-08-08 09:51:21 -0400290
Damjan Marion152e21d2016-11-29 14:55:43 +0100291 if (PREDICT_FALSE (current_config_index != ~0))
292 {
Zhiyong Yanga462c072019-05-05 19:32:25 +0800293 vnet_buffer (b[0])->feature_arc_index = arc;
294 vnet_buffer (b[1])->feature_arc_index = arc;
295 vnet_buffer (b[2])->feature_arc_index = arc;
296 vnet_buffer (b[3])->feature_arc_index = arc;
297 b[0]->current_config_index = current_config_index;
298 b[1]->current_config_index = current_config_index;
299 b[2]->current_config_index = current_config_index;
300 b[3]->current_config_index = current_config_index;
Damjan Marion152e21d2016-11-29 14:55:43 +0100301 }
302
Damjan Marion363640d2017-03-06 11:53:10 +0100303 /* update vlan subif tx counts, if required */
Damjan Marion9c6ae5f2016-11-15 23:20:01 +0100304 if (PREDICT_FALSE (tx_swif0 != rt->sw_if_index))
Dave Barachba868bb2016-08-08 09:51:21 -0400305 {
Damjan Marion9c6ae5f2016-11-15 23:20:01 +0100306 vlib_increment_combined_counter (im->combined_sw_if_counters +
307 VNET_INTERFACE_COUNTER_TX,
Damjan Marion586afd72017-04-05 19:18:20 +0200308 thread_index, tx_swif0, 1,
Damjan Marion9c6ae5f2016-11-15 23:20:01 +0100309 n_bytes_b0);
Dave Barachba868bb2016-08-08 09:51:21 -0400310 }
Damjan Marion9c6ae5f2016-11-15 23:20:01 +0100311
Damjan Marion9c6ae5f2016-11-15 23:20:01 +0100312 if (PREDICT_FALSE (tx_swif1 != rt->sw_if_index))
313 {
314
315 vlib_increment_combined_counter (im->combined_sw_if_counters +
316 VNET_INTERFACE_COUNTER_TX,
Damjan Marion586afd72017-04-05 19:18:20 +0200317 thread_index, tx_swif1, 1,
Damjan Marion9c6ae5f2016-11-15 23:20:01 +0100318 n_bytes_b1);
319 }
Damjan Marion363640d2017-03-06 11:53:10 +0100320
321 if (PREDICT_FALSE (tx_swif2 != rt->sw_if_index))
322 {
323
324 vlib_increment_combined_counter (im->combined_sw_if_counters +
325 VNET_INTERFACE_COUNTER_TX,
Damjan Marion586afd72017-04-05 19:18:20 +0200326 thread_index, tx_swif2, 1,
Damjan Marion363640d2017-03-06 11:53:10 +0100327 n_bytes_b2);
328 }
329 if (PREDICT_FALSE (tx_swif3 != rt->sw_if_index))
330 {
331
332 vlib_increment_combined_counter (im->combined_sw_if_counters +
333 VNET_INTERFACE_COUNTER_TX,
Damjan Marion586afd72017-04-05 19:18:20 +0200334 thread_index, tx_swif3, 1,
Damjan Marion363640d2017-03-06 11:53:10 +0100335 n_bytes_b3);
336 }
Dave Barach2c0a4f42017-06-29 09:30:15 -0400337
Dave Barach2c0a4f42017-06-29 09:30:15 -0400338 if (do_tx_offloads)
339 {
Mohsin Kazmia9a9d822020-05-05 14:30:25 +0200340 u32 vnet_buffer_offload_flags =
341 (VNET_BUFFER_F_OFFLOAD_TCP_CKSUM |
342 VNET_BUFFER_F_OFFLOAD_UDP_CKSUM |
343 VNET_BUFFER_F_OFFLOAD_IP_CKSUM);
344 if (or_flags & vnet_buffer_offload_flags)
Dave Barach2c0a4f42017-06-29 09:30:15 -0400345 {
Mohsin Kazmia9a9d822020-05-05 14:30:25 +0200346 if (b[0]->flags & vnet_buffer_offload_flags)
347 vnet_calc_checksums_inline
348 (vm, b[0],
349 b[0]->flags & VNET_BUFFER_F_IS_IP4,
Vladimir Isaev698eb872020-05-21 16:34:17 +0300350 b[0]->flags & VNET_BUFFER_F_IS_IP6);
Mohsin Kazmia9a9d822020-05-05 14:30:25 +0200351 if (b[1]->flags & vnet_buffer_offload_flags)
352 vnet_calc_checksums_inline
353 (vm, b[1],
354 b[1]->flags & VNET_BUFFER_F_IS_IP4,
Vladimir Isaev698eb872020-05-21 16:34:17 +0300355 b[1]->flags & VNET_BUFFER_F_IS_IP6);
Mohsin Kazmia9a9d822020-05-05 14:30:25 +0200356 if (b[2]->flags & vnet_buffer_offload_flags)
357 vnet_calc_checksums_inline
358 (vm, b[2],
359 b[2]->flags & VNET_BUFFER_F_IS_IP4,
Vladimir Isaev698eb872020-05-21 16:34:17 +0300360 b[2]->flags & VNET_BUFFER_F_IS_IP6);
Mohsin Kazmia9a9d822020-05-05 14:30:25 +0200361 if (b[3]->flags & vnet_buffer_offload_flags)
362 vnet_calc_checksums_inline
363 (vm, b[3],
364 b[3]->flags & VNET_BUFFER_F_IS_IP4,
Vladimir Isaev698eb872020-05-21 16:34:17 +0300365 b[3]->flags & VNET_BUFFER_F_IS_IP6);
Dave Barach2c0a4f42017-06-29 09:30:15 -0400366 }
367 }
Zhiyong Yanga462c072019-05-05 19:32:25 +0800368 b += 4;
369
Ed Warnickecb9cada2015-12-08 15:45:58 -0700370 }
371
372 while (from + 1 <= from_end && n_left_to_tx >= 1)
373 {
374 u32 bi0;
Dave Barachba868bb2016-08-08 09:51:21 -0400375 u32 tx_swif0;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700376
377 bi0 = from[0];
378 to_tx[0] = bi0;
379 from += 1;
380 to_tx += 1;
381 n_left_to_tx -= 1;
382
Ed Warnickecb9cada2015-12-08 15:45:58 -0700383 /* Be grumpy about zero length buffers for benefit of
384 driver tx function. */
Zhiyong Yanga462c072019-05-05 19:32:25 +0800385 ASSERT (b[0]->current_length > 0);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700386
Zhiyong Yanga462c072019-05-05 19:32:25 +0800387 n_bytes_b0 = vlib_buffer_length_in_chain (vm, b[0]);
388 tx_swif0 = vnet_buffer (b[0])->sw_if_index[VLIB_TX];
Ed Warnickecb9cada2015-12-08 15:45:58 -0700389 n_bytes += n_bytes_b0;
390 n_packets += 1;
391
Damjan Marion152e21d2016-11-29 14:55:43 +0100392 if (PREDICT_FALSE (current_config_index != ~0))
393 {
Zhiyong Yanga462c072019-05-05 19:32:25 +0800394 vnet_buffer (b[0])->feature_arc_index = arc;
395 b[0]->current_config_index = current_config_index;
Damjan Marion152e21d2016-11-29 14:55:43 +0100396 }
397
Damjan Marion9c6ae5f2016-11-15 23:20:01 +0100398 if (PREDICT_FALSE (tx_swif0 != rt->sw_if_index))
Dave Barachba868bb2016-08-08 09:51:21 -0400399 {
Ed Warnickecb9cada2015-12-08 15:45:58 -0700400
Damjan Marion9c6ae5f2016-11-15 23:20:01 +0100401 vlib_increment_combined_counter (im->combined_sw_if_counters +
402 VNET_INTERFACE_COUNTER_TX,
Damjan Marion586afd72017-04-05 19:18:20 +0200403 thread_index, tx_swif0, 1,
Damjan Marion9c6ae5f2016-11-15 23:20:01 +0100404 n_bytes_b0);
Dave Barachba868bb2016-08-08 09:51:21 -0400405 }
Dave Barach2c0a4f42017-06-29 09:30:15 -0400406
407 if (do_tx_offloads)
Mohsin Kazmi29467b52019-10-08 19:42:38 +0200408 {
409 if (b[0]->flags &
410 (VNET_BUFFER_F_OFFLOAD_TCP_CKSUM |
411 VNET_BUFFER_F_OFFLOAD_UDP_CKSUM |
412 VNET_BUFFER_F_OFFLOAD_IP_CKSUM))
Dave Barach1bd2c012020-04-12 08:31:39 -0400413 vnet_calc_checksums_inline
414 (vm, b[0],
415 b[0]->flags & VNET_BUFFER_F_IS_IP4,
Vladimir Isaev698eb872020-05-21 16:34:17 +0300416 b[0]->flags & VNET_BUFFER_F_IS_IP6);
Mohsin Kazmi29467b52019-10-08 19:42:38 +0200417 }
Zhiyong Yanga462c072019-05-05 19:32:25 +0800418 b += 1;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700419 }
420
Dave Barachba868bb2016-08-08 09:51:21 -0400421 vlib_put_next_frame (vm, node, next_index, n_left_to_tx);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700422 }
423
424 /* Update main interface stats. */
425 vlib_increment_combined_counter (im->combined_sw_if_counters
Dave Barachba868bb2016-08-08 09:51:21 -0400426 + VNET_INTERFACE_COUNTER_TX,
Damjan Marion586afd72017-04-05 19:18:20 +0200427 thread_index,
Dave Barachba868bb2016-08-08 09:51:21 -0400428 rt->sw_if_index, n_packets, n_bytes);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700429 return n_buffers;
430}
431
Dave Barach5ecd5a52019-02-25 15:27:28 -0500432static_always_inline void vnet_interface_pcap_tx_trace
433 (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame,
434 int sw_if_index_from_buffer)
435{
436 u32 n_left_from, *from;
437 u32 sw_if_index;
Dave Barach33909772019-09-23 10:27:27 -0400438 vnet_pcap_t *pp = &vlib_global_main.pcap;
Dave Barach5ecd5a52019-02-25 15:27:28 -0500439
Dave Barach33909772019-09-23 10:27:27 -0400440 if (PREDICT_TRUE (pp->pcap_tx_enable == 0))
Dave Barach5ecd5a52019-02-25 15:27:28 -0500441 return;
442
443 if (sw_if_index_from_buffer == 0)
444 {
445 vnet_interface_output_runtime_t *rt = (void *) node->runtime_data;
446 sw_if_index = rt->sw_if_index;
447 }
448 else
449 sw_if_index = ~0;
450
451 n_left_from = frame->n_vectors;
452 from = vlib_frame_vector_args (frame);
453
454 while (n_left_from > 0)
455 {
Dave Barach9137e542019-09-13 17:47:50 -0400456 int classify_filter_result;
Dave Barach5ecd5a52019-02-25 15:27:28 -0500457 u32 bi0 = from[0];
458 vlib_buffer_t *b0 = vlib_get_buffer (vm, bi0);
Dave Barach9137e542019-09-13 17:47:50 -0400459 from++;
460 n_left_from--;
461
Dave Barachf5667c32019-09-25 11:27:46 -0400462 if (pp->filter_classify_table_index != ~0)
Dave Barach9137e542019-09-13 17:47:50 -0400463 {
464 classify_filter_result =
465 vnet_is_packet_traced_inline
Dave Barachf5667c32019-09-25 11:27:46 -0400466 (b0, pp->filter_classify_table_index, 0 /* full classify */ );
Dave Barach9137e542019-09-13 17:47:50 -0400467 if (classify_filter_result)
Dave Barach33909772019-09-23 10:27:27 -0400468 pcap_add_buffer (&pp->pcap_main, vm, bi0, pp->max_bytes_per_pkt);
Dave Barach9137e542019-09-13 17:47:50 -0400469 continue;
470 }
Dave Barach5ecd5a52019-02-25 15:27:28 -0500471
472 if (sw_if_index_from_buffer)
473 sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX];
474
Dave Barach33909772019-09-23 10:27:27 -0400475 if (pp->pcap_sw_if_index == 0 || pp->pcap_sw_if_index == sw_if_index)
Dave Barachd28437c2019-11-20 09:28:31 -0500476 {
477 vnet_main_t *vnm = vnet_get_main ();
478 vnet_hw_interface_t *hi =
479 vnet_get_sup_hw_interface (vnm, sw_if_index);
480 /* Capture pkt if not filtered, or if filter hits */
481 if (hi->trace_classify_table_index == ~0 ||
482 vnet_is_packet_traced_inline
483 (b0, hi->trace_classify_table_index, 0 /* full classify */ ))
484 pcap_add_buffer (&pp->pcap_main, vm, bi0, pp->max_bytes_per_pkt);
485 }
Dave Barach5ecd5a52019-02-25 15:27:28 -0500486 }
487}
488
BenoƮt Ganne7d2094c2020-11-09 15:23:52 +0100489static vlib_node_function_t CLIB_MULTIARCH_FN (vnet_interface_output_node);
Andrew Yourtchenko6a7cff72018-10-12 16:09:22 +0200490
BenoƮt Ganne7d2094c2020-11-09 15:23:52 +0100491static uword
492CLIB_MULTIARCH_FN (vnet_interface_output_node) (vlib_main_t * vm,
493 vlib_node_runtime_t * node,
494 vlib_frame_t * frame)
Dave Barach2c0a4f42017-06-29 09:30:15 -0400495{
496 vnet_main_t *vnm = vnet_get_main ();
497 vnet_hw_interface_t *hi;
498 vnet_interface_output_runtime_t *rt = (void *) node->runtime_data;
499 hi = vnet_get_sup_hw_interface (vnm, rt->sw_if_index);
500
Dave Barach5ecd5a52019-02-25 15:27:28 -0500501 vnet_interface_pcap_tx_trace (vm, node, frame,
502 0 /* sw_if_index_from_buffer */ );
503
Dave Barach2c0a4f42017-06-29 09:30:15 -0400504 if (hi->flags & VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD)
505 return vnet_interface_output_node_inline (vm, node, frame, vnm, hi,
506 /* do_tx_offloads */ 0);
507 else
508 return vnet_interface_output_node_inline (vm, node, frame, vnm, hi,
509 /* do_tx_offloads */ 1);
510}
BenoƮt Ganne7d2094c2020-11-09 15:23:52 +0100511
512CLIB_MARCH_FN_REGISTRATION (vnet_interface_output_node);
513
514#ifndef CLIB_MARCH_VARIANT
515vlib_node_function_t *
Damjan Marion34c6c302021-01-27 14:21:36 +0000516vnet_interface_output_node_get (void)
BenoƮt Ganne7d2094c2020-11-09 15:23:52 +0100517{
Damjan Marion34c6c302021-01-27 14:21:36 +0000518 return CLIB_MARCH_FN_POINTER (vnet_interface_output_node);
BenoƮt Ganne7d2094c2020-11-09 15:23:52 +0100519}
Filip Tehlar62668772019-03-04 03:33:32 -0800520#endif /* CLIB_MARCH_VARIANT */
Dave Barach2c0a4f42017-06-29 09:30:15 -0400521
Ed Warnickecb9cada2015-12-08 15:45:58 -0700522/* Use buffer's sw_if_index[VNET_TX] to choose output interface. */
Filip Tehlar62668772019-03-04 03:33:32 -0800523VLIB_NODE_FN (vnet_per_buffer_interface_output_node) (vlib_main_t * vm,
524 vlib_node_runtime_t *
525 node,
526 vlib_frame_t * frame)
Ed Warnickecb9cada2015-12-08 15:45:58 -0700527{
Dave Barachba868bb2016-08-08 09:51:21 -0400528 vnet_main_t *vnm = vnet_get_main ();
529 u32 n_left_to_next, *from, *to_next;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700530 u32 n_left_from, next_index;
531
Dave Barach5ecd5a52019-02-25 15:27:28 -0500532 vnet_interface_pcap_tx_trace (vm, node, frame,
533 1 /* sw_if_index_from_buffer */ );
534
Ed Warnickecb9cada2015-12-08 15:45:58 -0700535 n_left_from = frame->n_vectors;
536
Damjan Mariona3d59862018-11-10 10:23:00 +0100537 from = vlib_frame_vector_args (frame);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700538 next_index = node->cached_next_index;
539
540 while (n_left_from > 0)
541 {
542 vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
543
544 while (n_left_from >= 4 && n_left_to_next >= 2)
545 {
546 u32 bi0, bi1, next0, next1;
Dave Barachba868bb2016-08-08 09:51:21 -0400547 vlib_buffer_t *b0, *b1;
548 vnet_hw_interface_t *hi0, *hi1;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700549
550 /* Prefetch next iteration. */
551 vlib_prefetch_buffer_with_index (vm, from[2], LOAD);
552 vlib_prefetch_buffer_with_index (vm, from[3], LOAD);
553
554 bi0 = from[0];
555 bi1 = from[1];
556 to_next[0] = bi0;
557 to_next[1] = bi1;
558 from += 2;
559 to_next += 2;
560 n_left_to_next -= 2;
561 n_left_from -= 2;
562
563 b0 = vlib_get_buffer (vm, bi0);
564 b1 = vlib_get_buffer (vm, bi1);
565
Dave Barachba868bb2016-08-08 09:51:21 -0400566 hi0 =
567 vnet_get_sup_hw_interface (vnm,
568 vnet_buffer (b0)->sw_if_index
569 [VLIB_TX]);
570 hi1 =
571 vnet_get_sup_hw_interface (vnm,
572 vnet_buffer (b1)->sw_if_index
573 [VLIB_TX]);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700574
John Loe5453d02018-01-23 19:21:34 -0500575 next0 = hi0->output_node_next_index;
576 next1 = hi1->output_node_next_index;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700577
Dave Barachba868bb2016-08-08 09:51:21 -0400578 vlib_validate_buffer_enqueue_x2 (vm, node, next_index, to_next,
579 n_left_to_next, bi0, bi1, next0,
580 next1);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700581 }
582
583 while (n_left_from > 0 && n_left_to_next > 0)
584 {
585 u32 bi0, next0;
Dave Barachba868bb2016-08-08 09:51:21 -0400586 vlib_buffer_t *b0;
587 vnet_hw_interface_t *hi0;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700588
589 bi0 = from[0];
590 to_next[0] = bi0;
591 from += 1;
592 to_next += 1;
593 n_left_to_next -= 1;
594 n_left_from -= 1;
595
596 b0 = vlib_get_buffer (vm, bi0);
597
Dave Barachba868bb2016-08-08 09:51:21 -0400598 hi0 =
599 vnet_get_sup_hw_interface (vnm,
600 vnet_buffer (b0)->sw_if_index
601 [VLIB_TX]);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700602
John Loe5453d02018-01-23 19:21:34 -0500603 next0 = hi0->output_node_next_index;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700604
Dave Barachba868bb2016-08-08 09:51:21 -0400605 vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
606 n_left_to_next, bi0, next0);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700607 }
608
609 vlib_put_next_frame (vm, node, next_index, n_left_to_next);
610 }
611
612 return frame->n_vectors;
613}
614
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000615typedef struct vnet_error_trace_t_
Ed Warnickecb9cada2015-12-08 15:45:58 -0700616{
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000617 u32 sw_if_index;
Dave Barach4330c462020-06-10 17:07:32 -0400618 i8 details_valid;
619 u8 is_ip6;
620 u8 pad[2];
621 u16 mactype;
622 ip46_address_t src, dst;
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000623} vnet_error_trace_t;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700624
Dave Barachba868bb2016-08-08 09:51:21 -0400625static u8 *
626format_vnet_error_trace (u8 * s, va_list * va)
Ed Warnickecb9cada2015-12-08 15:45:58 -0700627{
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000628 CLIB_UNUSED (vlib_main_t * vm) = va_arg (*va, vlib_main_t *);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700629 CLIB_UNUSED (vlib_node_t * node) = va_arg (*va, vlib_node_t *);
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000630 vnet_error_trace_t *t = va_arg (*va, vnet_error_trace_t *);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700631
Dave Barach4330c462020-06-10 17:07:32 -0400632 /* Normal, non-catchup trace */
633 if (t->details_valid == 0)
634 {
635 s = format (s, "rx:%U", format_vnet_sw_if_index_name,
636 vnet_get_main (), t->sw_if_index);
637 }
638 else if (t->details_valid == 1)
639 {
640 /* The trace capture code didn't understant the mactype */
641 s = format (s, "mactype 0x%4x (not decoded)", t->mactype);
642 }
643 else if (t->details_valid == 2)
644 {
645 /* Dump the src/dst addresses */
646 if (t->is_ip6 == 0)
647 s = format (s, "IP4: %U -> %U",
648 format_ip4_address, &t->src.ip4,
649 format_ip4_address, &t->dst.ip4);
650 else
651 s = format (s, "IP6: %U -> %U",
652 format_ip6_address, &t->src.ip6,
653 format_ip6_address, &t->dst.ip6);
654 }
Ed Warnickecb9cada2015-12-08 15:45:58 -0700655 return s;
656}
657
658static void
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000659interface_trace_buffers (vlib_main_t * vm,
660 vlib_node_runtime_t * node, vlib_frame_t * frame)
Ed Warnickecb9cada2015-12-08 15:45:58 -0700661{
Dave Barachba868bb2016-08-08 09:51:21 -0400662 u32 n_left, *buffers;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700663
664 buffers = vlib_frame_vector_args (frame);
665 n_left = frame->n_vectors;
Dave Barachba868bb2016-08-08 09:51:21 -0400666
Ed Warnickecb9cada2015-12-08 15:45:58 -0700667 while (n_left >= 4)
668 {
669 u32 bi0, bi1;
Dave Barachba868bb2016-08-08 09:51:21 -0400670 vlib_buffer_t *b0, *b1;
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000671 vnet_error_trace_t *t0, *t1;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700672
673 /* Prefetch next iteration. */
674 vlib_prefetch_buffer_with_index (vm, buffers[2], LOAD);
675 vlib_prefetch_buffer_with_index (vm, buffers[3], LOAD);
676
677 bi0 = buffers[0];
678 bi1 = buffers[1];
679
680 b0 = vlib_get_buffer (vm, bi0);
681 b1 = vlib_get_buffer (vm, bi1);
682
683 if (b0->flags & VLIB_BUFFER_IS_TRACED)
684 {
Dave Barach4330c462020-06-10 17:07:32 -0400685 t0 = vlib_add_trace (vm, node, b0,
686 STRUCT_OFFSET_OF (vnet_error_trace_t, pad));
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000687 t0->sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_RX];
Dave Barach4330c462020-06-10 17:07:32 -0400688 t0->details_valid = 0;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700689 }
690 if (b1->flags & VLIB_BUFFER_IS_TRACED)
691 {
Dave Barach4330c462020-06-10 17:07:32 -0400692 t1 = vlib_add_trace (vm, node, b1,
693 STRUCT_OFFSET_OF (vnet_error_trace_t, pad));
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000694 t1->sw_if_index = vnet_buffer (b1)->sw_if_index[VLIB_RX];
Dave Barach4330c462020-06-10 17:07:32 -0400695 t1->details_valid = 0;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700696 }
697 buffers += 2;
698 n_left -= 2;
699 }
700
701 while (n_left >= 1)
702 {
703 u32 bi0;
Dave Barachba868bb2016-08-08 09:51:21 -0400704 vlib_buffer_t *b0;
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000705 vnet_error_trace_t *t0;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700706
707 bi0 = buffers[0];
708
709 b0 = vlib_get_buffer (vm, bi0);
710
711 if (b0->flags & VLIB_BUFFER_IS_TRACED)
712 {
Dave Barach4330c462020-06-10 17:07:32 -0400713 t0 = vlib_add_trace (vm, node, b0,
714 STRUCT_OFFSET_OF (vnet_error_trace_t, pad));
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000715 t0->sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_RX];
Dave Barach4330c462020-06-10 17:07:32 -0400716 t0->details_valid = 0;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700717 }
718 buffers += 1;
719 n_left -= 1;
720 }
721}
722
Dave Barachba868bb2016-08-08 09:51:21 -0400723typedef enum
724{
Ed Warnickecb9cada2015-12-08 15:45:58 -0700725 VNET_ERROR_DISPOSITION_DROP,
726 VNET_ERROR_DISPOSITION_PUNT,
727 VNET_ERROR_N_DISPOSITION,
728} vnet_error_disposition_t;
729
Dave Barach4330c462020-06-10 17:07:32 -0400730static void
731drop_catchup_trace (vlib_main_t * vm,
732 vlib_node_runtime_t * node, vlib_buffer_t * b)
733{
734 /* Can we safely rewind the buffer? If not, fagedaboudit */
735 if (b->flags & VNET_BUFFER_F_L2_HDR_OFFSET_VALID)
736 {
737 vnet_error_trace_t *t;
738 ip4_header_t *ip4;
739 ip6_header_t *ip6;
740 ethernet_header_t *eh;
741 i16 delta;
742
743 t = vlib_add_trace (vm, node, b, sizeof (*t));
744 delta = vnet_buffer (b)->l2_hdr_offset - b->current_data;
745 vlib_buffer_advance (b, delta);
746
747 eh = vlib_buffer_get_current (b);
748 /* Save mactype */
749 t->mactype = clib_net_to_host_u16 (eh->type);
750 t->details_valid = 1;
751 switch (t->mactype)
752 {
753 case ETHERNET_TYPE_IP4:
754 ip4 = (void *) (eh + 1);
755 t->details_valid = 2;
756 t->is_ip6 = 0;
757 t->src.ip4.as_u32 = ip4->src_address.as_u32;
758 t->dst.ip4.as_u32 = ip4->dst_address.as_u32;
759 break;
760
761 case ETHERNET_TYPE_IP6:
762 ip6 = (void *) (eh + 1);
763 t->details_valid = 2;
764 t->is_ip6 = 1;
765 clib_memcpy_fast (t->src.as_u8, ip6->src_address.as_u8,
766 sizeof (ip6_address_t));
767 clib_memcpy_fast (t->dst.as_u8, ip6->dst_address.as_u8,
768 sizeof (ip6_address_t));
769 break;
770
771 default:
772 /* Dunno, do nothing, leave details_valid alone */
773 break;
774 }
775 /* Restore current data (probably unnecessary) */
776 vlib_buffer_advance (b, -delta);
777 }
778}
779
Ed Warnickecb9cada2015-12-08 15:45:58 -0700780static_always_inline uword
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000781interface_drop_punt (vlib_main_t * vm,
782 vlib_node_runtime_t * node,
783 vlib_frame_t * frame,
784 vnet_error_disposition_t disposition)
Ed Warnickecb9cada2015-12-08 15:45:58 -0700785{
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000786 u32 *from, n_left, thread_index, *sw_if_index;
787 vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b;
788 u32 sw_if_indices[VLIB_FRAME_SIZE];
Dave Barachba868bb2016-08-08 09:51:21 -0400789 vlib_simple_counter_main_t *cm;
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000790 u16 nexts[VLIB_FRAME_SIZE];
Dave Barach4330c462020-06-10 17:07:32 -0400791 u32 n_trace;
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000792 vnet_main_t *vnm;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700793
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000794 vnm = vnet_get_main ();
795 thread_index = vm->thread_index;
796 from = vlib_frame_vector_args (frame);
797 n_left = frame->n_vectors;
798 b = bufs;
799 sw_if_index = sw_if_indices;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700800
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000801 vlib_get_buffers (vm, from, bufs, n_left);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700802
Dave Barach4330c462020-06-10 17:07:32 -0400803 /* "trace add error-drop NNN?" */
804 if (PREDICT_FALSE ((n_trace = vlib_get_trace_count (vm, node))))
805 {
806 /* If pkts aren't otherwise traced... */
807 if ((node->flags & VLIB_NODE_FLAG_TRACE) == 0)
808 {
809 /* Trace them from here */
810 node->flags |= VLIB_NODE_FLAG_TRACE;
811 while (n_trace && n_left)
812 {
BenoƮt Ganne9a3973e2020-10-02 19:36:57 +0200813 if (PREDICT_TRUE
814 (vlib_trace_buffer (vm, node, 0 /* next_index */ , b[0],
815 0 /* follow chain */ )))
816 {
817 /*
818 * Here we have a wireshark dissector problem.
819 * Packets may be well-formed, or not. We
820 * must not blow chunks in any case.
821 *
822 * Try to produce trace records which will help
823 * folks understand what's going on.
824 */
825 drop_catchup_trace (vm, node, b[0]);
826 n_trace--;
827 }
Dave Barach4330c462020-06-10 17:07:32 -0400828 n_left--;
829 b++;
830 }
831 }
832
833 vlib_set_trace_count (vm, node, n_trace);
834 b = bufs;
835 n_left = frame->n_vectors;
836 }
837
Ed Warnickecb9cada2015-12-08 15:45:58 -0700838 if (node->flags & VLIB_NODE_FLAG_TRACE)
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000839 interface_trace_buffers (vm, node, frame);
Dave Barachba868bb2016-08-08 09:51:21 -0400840
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000841 /* All going to drop regardless, this is just a counting exercise */
842 clib_memset (nexts, 0, sizeof (nexts));
843
Ed Warnickecb9cada2015-12-08 15:45:58 -0700844 cm = vec_elt_at_index (vnm->interface_main.sw_if_counters,
845 (disposition == VNET_ERROR_DISPOSITION_PUNT
846 ? VNET_INTERFACE_COUNTER_PUNT
847 : VNET_INTERFACE_COUNTER_DROP));
848
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000849 /* collect the array of interfaces first ... */
850 while (n_left >= 4)
Ed Warnickecb9cada2015-12-08 15:45:58 -0700851 {
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000852 if (n_left >= 12)
Ed Warnickecb9cada2015-12-08 15:45:58 -0700853 {
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000854 /* Prefetch 8 ahead - there's not much going on in each iteration */
855 vlib_prefetch_buffer_header (b[4], LOAD);
856 vlib_prefetch_buffer_header (b[5], LOAD);
857 vlib_prefetch_buffer_header (b[6], LOAD);
858 vlib_prefetch_buffer_header (b[7], LOAD);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700859 }
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000860 sw_if_index[0] = vnet_buffer (b[0])->sw_if_index[VLIB_RX];
861 sw_if_index[1] = vnet_buffer (b[1])->sw_if_index[VLIB_RX];
862 sw_if_index[2] = vnet_buffer (b[2])->sw_if_index[VLIB_RX];
863 sw_if_index[3] = vnet_buffer (b[3])->sw_if_index[VLIB_RX];
864
865 sw_if_index += 4;
866 n_left -= 4;
867 b += 4;
868 }
869 while (n_left)
870 {
871 sw_if_index[0] = vnet_buffer (b[0])->sw_if_index[VLIB_RX];
872
873 sw_if_index += 1;
874 n_left -= 1;
875 b += 1;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700876 }
877
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000878 /* ... then count against them in blocks */
879 n_left = frame->n_vectors;
880
881 while (n_left)
Ed Warnickecb9cada2015-12-08 15:45:58 -0700882 {
Dave Barachba868bb2016-08-08 09:51:21 -0400883 vnet_sw_interface_t *sw_if0;
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000884 u16 off, count;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700885
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000886 off = frame->n_vectors - n_left;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700887
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000888 sw_if_index = sw_if_indices + off;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700889
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000890 count = clib_count_equal_u32 (sw_if_index, n_left);
891 n_left -= count;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700892
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000893 vlib_increment_simple_counter (cm, thread_index, sw_if_index[0], count);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700894
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000895 /* Increment super-interface drop/punt counters for
896 sub-interfaces. */
897 sw_if0 = vnet_get_sw_interface (vnm, sw_if_index[0]);
898 if (sw_if0->sup_sw_if_index != sw_if_index[0])
899 vlib_increment_simple_counter
900 (cm, thread_index, sw_if0->sup_sw_if_index, count);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700901 }
902
Neale Ranns22e1f1d2019-03-01 15:53:11 +0000903 vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700904
905 return frame->n_vectors;
906}
907
Dave Barachba868bb2016-08-08 09:51:21 -0400908static inline void
909pcap_drop_trace (vlib_main_t * vm,
Dave Barach33909772019-09-23 10:27:27 -0400910 vnet_interface_main_t * im,
911 vnet_pcap_t * pp, vlib_frame_t * f)
Ed Warnickecb9cada2015-12-08 15:45:58 -0700912{
Dave Barachba868bb2016-08-08 09:51:21 -0400913 u32 *from;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700914 u32 n_left = f->n_vectors;
Dave Barachba868bb2016-08-08 09:51:21 -0400915 vlib_buffer_t *b0, *p1;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700916 u32 bi0;
917 i16 save_current_data;
918 u16 save_current_length;
Dave Barach9382ad92019-09-23 16:03:49 -0400919 vlib_error_main_t *em = &vm->error_main;
Dave Barachf5667c32019-09-25 11:27:46 -0400920 int do_trace = 0;
921
Ed Warnickecb9cada2015-12-08 15:45:58 -0700922
923 from = vlib_frame_vector_args (f);
924
925 while (n_left > 0)
926 {
927 if (PREDICT_TRUE (n_left > 1))
Dave Barachba868bb2016-08-08 09:51:21 -0400928 {
929 p1 = vlib_get_buffer (vm, from[1]);
930 vlib_prefetch_buffer_header (p1, LOAD);
931 }
932
Ed Warnickecb9cada2015-12-08 15:45:58 -0700933 bi0 = from[0];
934 b0 = vlib_get_buffer (vm, bi0);
935 from++;
936 n_left--;
Dave Barachba868bb2016-08-08 09:51:21 -0400937
Ed Warnickecb9cada2015-12-08 15:45:58 -0700938 /* See if we're pointedly ignoring this specific error */
Dave Barachba868bb2016-08-08 09:51:21 -0400939 if (im->pcap_drop_filter_hash
940 && hash_get (im->pcap_drop_filter_hash, b0->error))
941 continue;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700942
Dave Barachf5667c32019-09-25 11:27:46 -0400943 do_trace = (pp->pcap_sw_if_index == 0) ||
944 pp->pcap_sw_if_index == vnet_buffer (b0)->sw_if_index[VLIB_RX];
945
946 if (PREDICT_FALSE
947 (do_trace == 0 && pp->filter_classify_table_index != ~0))
948 {
949 do_trace = vnet_is_packet_traced_inline
950 (b0, pp->filter_classify_table_index, 0 /* full classify */ );
951 }
952
Ed Warnickecb9cada2015-12-08 15:45:58 -0700953 /* Trace all drops, or drops received on a specific interface */
Dave Barachf5667c32019-09-25 11:27:46 -0400954 if (do_trace)
Dave Barachba868bb2016-08-08 09:51:21 -0400955 {
956 save_current_data = b0->current_data;
957 save_current_length = b0->current_length;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700958
Dave Barachba868bb2016-08-08 09:51:21 -0400959 /*
960 * Typically, we'll need to rewind the buffer
BenoƮt Ganne4e323cb2019-09-17 17:30:35 +0200961 * if l2_hdr_offset is valid, make sure to rewind to the start of
962 * the L2 header. This may not be the buffer start in case we pop-ed
963 * vlan tags.
964 * Otherwise, rewind to buffer start and hope for the best.
Dave Barachba868bb2016-08-08 09:51:21 -0400965 */
BenoƮt Ganne4e323cb2019-09-17 17:30:35 +0200966 if (b0->flags & VNET_BUFFER_F_L2_HDR_OFFSET_VALID)
967 {
968 if (b0->current_data > vnet_buffer (b0)->l2_hdr_offset)
969 vlib_buffer_advance (b0,
970 vnet_buffer (b0)->l2_hdr_offset -
971 b0->current_data);
972 }
973 else if (b0->current_data > 0)
Dave Barachba868bb2016-08-08 09:51:21 -0400974 vlib_buffer_advance (b0, (word) - b0->current_data);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700975
Dave Barach9382ad92019-09-23 16:03:49 -0400976 {
977 vlib_buffer_t *last = b0;
978 u32 error_node_index;
979 int drop_string_len;
980 vlib_node_t *n;
981 /* Length of the error string */
982 int error_string_len =
Ole Troan148c7b72020-10-07 18:05:37 +0200983 clib_strnlen (em->counters_heap[b0->error].name, 128);
Dave Barach9382ad92019-09-23 16:03:49 -0400984
985 /* Dig up the drop node */
986 error_node_index = vm->node_main.node_by_error[b0->error];
987 n = vlib_get_node (vm, error_node_index);
988
989 /* Length of full drop string, w/ "nodename: " prepended */
990 drop_string_len = error_string_len + vec_len (n->name) + 2;
991
992 /* Find the last buffer in the chain */
993 while (last->flags & VLIB_BUFFER_NEXT_PRESENT)
994 last = vlib_get_buffer (vm, last->next_buffer);
995
996 /*
997 * Append <nodename>: <error-string> to the capture,
998 * only if we can do that without allocating a new buffer.
999 */
1000 if (PREDICT_TRUE ((last->current_data + last->current_length)
1001 < (VLIB_BUFFER_DEFAULT_DATA_SIZE
1002 - drop_string_len)))
1003 {
1004 clib_memcpy_fast (last->data + last->current_data +
1005 last->current_length, n->name,
1006 vec_len (n->name));
1007 clib_memcpy_fast (last->data + last->current_data +
1008 last->current_length + vec_len (n->name),
1009 ": ", 2);
1010 clib_memcpy_fast (last->data + last->current_data +
1011 last->current_length + vec_len (n->name) +
Ole Troan148c7b72020-10-07 18:05:37 +02001012 2, em->counters_heap[b0->error].name,
Dave Barach9382ad92019-09-23 16:03:49 -04001013 error_string_len);
1014 last->current_length += drop_string_len;
1015 b0->flags &= ~(VLIB_BUFFER_TOTAL_LENGTH_VALID);
1016 pcap_add_buffer (&pp->pcap_main, vm, bi0,
1017 pp->max_bytes_per_pkt);
1018 last->current_length -= drop_string_len;
1019 b0->current_data = save_current_data;
1020 b0->current_length = save_current_length;
1021 continue;
1022 }
1023 }
1024
1025 /*
1026 * Didn't have space in the last buffer, here's the dropped
1027 * packet as-is
1028 */
Dave Barach33909772019-09-23 10:27:27 -04001029 pcap_add_buffer (&pp->pcap_main, vm, bi0, pp->max_bytes_per_pkt);
Dave Barachba868bb2016-08-08 09:51:21 -04001030
1031 b0->current_data = save_current_data;
1032 b0->current_length = save_current_length;
1033 }
Ed Warnickecb9cada2015-12-08 15:45:58 -07001034 }
1035}
1036
Filip Tehlar62668772019-03-04 03:33:32 -08001037#ifndef CLIB_MARCH_VARIANT
Dave Barachba868bb2016-08-08 09:51:21 -04001038void
1039vnet_pcap_drop_trace_filter_add_del (u32 error_index, int is_add)
Ed Warnickecb9cada2015-12-08 15:45:58 -07001040{
Dave Barachba868bb2016-08-08 09:51:21 -04001041 vnet_interface_main_t *im = &vnet_get_main ()->interface_main;
Ed Warnickecb9cada2015-12-08 15:45:58 -07001042
1043 if (im->pcap_drop_filter_hash == 0)
Dave Barachba868bb2016-08-08 09:51:21 -04001044 im->pcap_drop_filter_hash = hash_create (0, sizeof (uword));
Ed Warnickecb9cada2015-12-08 15:45:58 -07001045
1046 if (is_add)
1047 hash_set (im->pcap_drop_filter_hash, error_index, 1);
1048 else
1049 hash_unset (im->pcap_drop_filter_hash, error_index);
1050}
Filip Tehlar62668772019-03-04 03:33:32 -08001051#endif /* CLIB_MARCH_VARIANT */
Ed Warnickecb9cada2015-12-08 15:45:58 -07001052
Neale Ranns22e1f1d2019-03-01 15:53:11 +00001053VLIB_NODE_FN (interface_drop) (vlib_main_t * vm,
1054 vlib_node_runtime_t * node,
1055 vlib_frame_t * frame)
Ed Warnickecb9cada2015-12-08 15:45:58 -07001056{
Dave Barachba868bb2016-08-08 09:51:21 -04001057 vnet_interface_main_t *im = &vnet_get_main ()->interface_main;
Dave Barach33909772019-09-23 10:27:27 -04001058 vnet_pcap_t *pp = &vlib_global_main.pcap;
Ed Warnickecb9cada2015-12-08 15:45:58 -07001059
Dave Barach33909772019-09-23 10:27:27 -04001060 if (PREDICT_FALSE (pp->pcap_drop_enable))
1061 pcap_drop_trace (vm, im, pp, frame);
Ed Warnickecb9cada2015-12-08 15:45:58 -07001062
Neale Ranns22e1f1d2019-03-01 15:53:11 +00001063 return interface_drop_punt (vm, node, frame, VNET_ERROR_DISPOSITION_DROP);
Ed Warnickecb9cada2015-12-08 15:45:58 -07001064}
1065
Neale Ranns22e1f1d2019-03-01 15:53:11 +00001066VLIB_NODE_FN (interface_punt) (vlib_main_t * vm,
1067 vlib_node_runtime_t * node,
1068 vlib_frame_t * frame)
Ed Warnickecb9cada2015-12-08 15:45:58 -07001069{
Neale Ranns22e1f1d2019-03-01 15:53:11 +00001070 return interface_drop_punt (vm, node, frame, VNET_ERROR_DISPOSITION_PUNT);
Ed Warnickecb9cada2015-12-08 15:45:58 -07001071}
1072
Dave Barachba868bb2016-08-08 09:51:21 -04001073/* *INDENT-OFF* */
Neale Ranns22e1f1d2019-03-01 15:53:11 +00001074VLIB_REGISTER_NODE (interface_drop) = {
Ed Warnickecb9cada2015-12-08 15:45:58 -07001075 .name = "error-drop",
Ed Warnickecb9cada2015-12-08 15:45:58 -07001076 .vector_size = sizeof (u32),
1077 .format_trace = format_vnet_error_trace,
Dave Barach4330c462020-06-10 17:07:32 -04001078 .flags = VLIB_NODE_FLAG_TRACE_SUPPORTED,
Neale Ranns22e1f1d2019-03-01 15:53:11 +00001079 .n_next_nodes = 1,
1080 .next_nodes = {
1081 [0] = "drop",
1082 },
Ed Warnickecb9cada2015-12-08 15:45:58 -07001083};
Dave Barachba868bb2016-08-08 09:51:21 -04001084/* *INDENT-ON* */
Ed Warnickecb9cada2015-12-08 15:45:58 -07001085
Dave Barachba868bb2016-08-08 09:51:21 -04001086/* *INDENT-OFF* */
Neale Ranns22e1f1d2019-03-01 15:53:11 +00001087VLIB_REGISTER_NODE (interface_punt) = {
Ed Warnickecb9cada2015-12-08 15:45:58 -07001088 .name = "error-punt",
1089 .vector_size = sizeof (u32),
1090 .format_trace = format_vnet_error_trace,
Dave Barach4330c462020-06-10 17:07:32 -04001091 .flags = VLIB_NODE_FLAG_TRACE_SUPPORTED,
Neale Ranns22e1f1d2019-03-01 15:53:11 +00001092 .n_next_nodes = 1,
1093 .next_nodes = {
1094 [0] = "punt",
1095 },
Ed Warnickecb9cada2015-12-08 15:45:58 -07001096};
Dave Barachba868bb2016-08-08 09:51:21 -04001097/* *INDENT-ON* */
Ed Warnickecb9cada2015-12-08 15:45:58 -07001098
Dave Barachba868bb2016-08-08 09:51:21 -04001099/* *INDENT-OFF* */
Filip Tehlar62668772019-03-04 03:33:32 -08001100VLIB_REGISTER_NODE (vnet_per_buffer_interface_output_node) = {
Ed Warnickecb9cada2015-12-08 15:45:58 -07001101 .name = "interface-output",
1102 .vector_size = sizeof (u32),
1103};
Dave Barachba868bb2016-08-08 09:51:21 -04001104/* *INDENT-ON* */
Ed Warnickecb9cada2015-12-08 15:45:58 -07001105
Damjan Marion152e21d2016-11-29 14:55:43 +01001106static uword
1107interface_tx_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
1108 vlib_frame_t * from_frame)
1109{
1110 vnet_main_t *vnm = vnet_get_main ();
1111 u32 last_sw_if_index = ~0;
1112 vlib_frame_t *to_frame = 0;
1113 vnet_hw_interface_t *hw = 0;
1114 u32 *from, *to_next = 0;
1115 u32 n_left_from;
1116
1117 from = vlib_frame_vector_args (from_frame);
1118 n_left_from = from_frame->n_vectors;
1119 while (n_left_from > 0)
1120 {
1121 u32 bi0;
1122 vlib_buffer_t *b0;
1123 u32 sw_if_index0;
1124
1125 bi0 = from[0];
1126 from++;
1127 n_left_from--;
1128 b0 = vlib_get_buffer (vm, bi0);
1129 sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX];
1130
1131 if (PREDICT_FALSE ((last_sw_if_index != sw_if_index0) || to_frame == 0))
1132 {
1133 if (to_frame)
1134 {
1135 hw = vnet_get_sup_hw_interface (vnm, last_sw_if_index);
1136 vlib_put_frame_to_node (vm, hw->tx_node_index, to_frame);
1137 }
1138 last_sw_if_index = sw_if_index0;
1139 hw = vnet_get_sup_hw_interface (vnm, sw_if_index0);
1140 to_frame = vlib_get_frame_to_node (vm, hw->tx_node_index);
1141 to_next = vlib_frame_vector_args (to_frame);
1142 }
1143
1144 to_next[0] = bi0;
1145 to_next++;
1146 to_frame->n_vectors++;
1147 }
1148 vlib_put_frame_to_node (vm, hw->tx_node_index, to_frame);
1149 return from_frame->n_vectors;
1150}
1151
1152/* *INDENT-OFF* */
Damjan Mariond770cfc2019-09-02 19:00:33 +02001153VLIB_REGISTER_NODE (interface_tx) = {
Damjan Marion152e21d2016-11-29 14:55:43 +01001154 .function = interface_tx_node_fn,
1155 .name = "interface-tx",
1156 .vector_size = sizeof (u32),
1157 .n_next_nodes = 1,
1158 .next_nodes = {
1159 [0] = "error-drop",
1160 },
1161};
1162
1163VNET_FEATURE_ARC_INIT (interface_output, static) =
1164{
1165 .arc_name = "interface-output",
1166 .start_nodes = VNET_FEATURES (0),
Dave Baracha25def72018-11-26 11:04:45 -05001167 .last_in_arc = "interface-tx",
Damjan Marion152e21d2016-11-29 14:55:43 +01001168 .arc_index_ptr = &vnet_main.interface_main.output_feature_arc_index,
1169};
1170
Pavel Kotucek3a2a1c42016-12-06 10:10:10 +01001171VNET_FEATURE_INIT (span_tx, static) = {
1172 .arc_name = "interface-output",
1173 .node_name = "span-output",
1174 .runs_before = VNET_FEATURES ("interface-tx"),
1175};
1176
Matthew Smith537eeec2018-04-09 11:49:20 -05001177VNET_FEATURE_INIT (ipsec_if_tx, static) = {
1178 .arc_name = "interface-output",
1179 .node_name = "ipsec-if-output",
1180 .runs_before = VNET_FEATURES ("interface-tx"),
1181};
1182
Damjan Marion152e21d2016-11-29 14:55:43 +01001183VNET_FEATURE_INIT (interface_tx, static) = {
1184 .arc_name = "interface-output",
1185 .node_name = "interface-tx",
1186 .runs_before = 0,
1187};
1188/* *INDENT-ON* */
1189
Filip Tehlar62668772019-03-04 03:33:32 -08001190#ifndef CLIB_MARCH_VARIANT
Ed Warnickecb9cada2015-12-08 15:45:58 -07001191clib_error_t *
1192vnet_per_buffer_interface_output_hw_interface_add_del (vnet_main_t * vnm,
1193 u32 hw_if_index,
1194 u32 is_create)
1195{
Dave Barachba868bb2016-08-08 09:51:21 -04001196 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
Ed Warnickecb9cada2015-12-08 15:45:58 -07001197 u32 next_index;
1198
John Loe5453d02018-01-23 19:21:34 -05001199 if (hi->output_node_index == 0)
1200 return 0;
Ed Warnickecb9cada2015-12-08 15:45:58 -07001201
John Loe5453d02018-01-23 19:21:34 -05001202 next_index = vlib_node_add_next
1203 (vnm->vlib_main, vnet_per_buffer_interface_output_node.index,
1204 hi->output_node_index);
1205 hi->output_node_next_index = next_index;
Ed Warnickecb9cada2015-12-08 15:45:58 -07001206
1207 return 0;
1208}
1209
Dave Barachba868bb2016-08-08 09:51:21 -04001210VNET_HW_INTERFACE_ADD_DEL_FUNCTION
1211 (vnet_per_buffer_interface_output_hw_interface_add_del);
Ed Warnickecb9cada2015-12-08 15:45:58 -07001212
John Loe5453d02018-01-23 19:21:34 -05001213void
1214vnet_set_interface_output_node (vnet_main_t * vnm,
1215 u32 hw_if_index, u32 node_index)
1216{
1217 ASSERT (node_index);
1218 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1219 u32 next_index = vlib_node_add_next
1220 (vnm->vlib_main, vnet_per_buffer_interface_output_node.index, node_index);
1221 hi->output_node_next_index = next_index;
1222 hi->output_node_index = node_index;
1223}
Filip Tehlar62668772019-03-04 03:33:32 -08001224#endif /* CLIB_MARCH_VARIANT */
John Loe5453d02018-01-23 19:21:34 -05001225
Dave Barachba868bb2016-08-08 09:51:21 -04001226/*
1227 * fd.io coding-style-patch-verification: ON
1228 *
1229 * Local Variables:
1230 * eval: (c-set-style "gnu")
1231 * End:
1232 */