FD.io VPP  v19.01.1-17-ge106252
Vector Packet Processing
qos_record.c
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1 /*
2  * Copyright (c) 2018 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 #include <vnet/qos/qos_record.h>
17 #include <vnet/ip/ip.h>
18 #include <vnet/ip/ip6_to_ip4.h>
19 #include <vnet/feature/feature.h>
20 #include <vnet/qos/qos_types.h>
21 #include <vnet/l2/l2_input.h>
22 #include <vnet/l2/feat_bitmap.h>
23 
24 /**
25  * Per-interface, per-protocol vector of feature on/off configurations
26  */
29 
30 static void
32  qos_source_t input_source, u8 enable)
33 {
34  switch (input_source)
35  {
36  case QOS_SOURCE_IP:
37  vnet_feature_enable_disable ("ip6-unicast", "ip6-qos-record",
38  sw_if_index, enable, NULL, 0);
39  vnet_feature_enable_disable ("ip6-multicast", "ip6-qos-record",
40  sw_if_index, enable, NULL, 0);
41  vnet_feature_enable_disable ("ip4-unicast", "ip4-qos-record",
42  sw_if_index, enable, NULL, 0);
43  vnet_feature_enable_disable ("ip4-multicast", "ip4-qos-record",
44  sw_if_index, enable, NULL, 0);
45  l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_L2_IP_QOS_RECORD,
46  enable);
47  break;
48  case QOS_SOURCE_MPLS:
49  vnet_feature_enable_disable ("mpls-input", "mpls-qos-record",
50  sw_if_index, enable, NULL, 0);
51  break;
52  case QOS_SOURCE_VLAN:
53  vnet_feature_enable_disable ("ip6-unicast", "vlan-ip6-qos-record",
54  sw_if_index, enable, NULL, 0);
55  vnet_feature_enable_disable ("ip6-multicast", "vlan-ip6-qos-record",
56  sw_if_index, enable, NULL, 0);
57  vnet_feature_enable_disable ("ip4-unicast", "vlan-ip4-qos-record",
58  sw_if_index, enable, NULL, 0);
59  vnet_feature_enable_disable ("ip4-multicast", "vlan-ip4-qos-record",
60  sw_if_index, enable, NULL, 0);
61  vnet_feature_enable_disable ("mpls-input", "vlan-mpls-qos-record",
62  sw_if_index, enable, NULL, 0);
63  break;
64  case QOS_SOURCE_EXT:
65  /* not a valid option for recording */
66  break;
67  }
68 }
69 
70 int
72 {
73  vec_validate (qos_record_configs[input_source], sw_if_index);
74 
75  if (0 == qos_record_configs[input_source][sw_if_index])
76  {
77  qos_record_feature_config (sw_if_index, input_source, 1);
78  }
79 
80  qos_record_configs[input_source][sw_if_index]++;
81  return (0);
82 }
83 
84 int
86 {
87  if (vec_len (qos_record_configs[input_source]) <= sw_if_index)
88  return VNET_API_ERROR_NO_MATCHING_INTERFACE;
89 
90  if (0 == qos_record_configs[input_source][sw_if_index])
91  return VNET_API_ERROR_VALUE_EXIST;
92 
93  qos_record_configs[input_source][sw_if_index]--;
94 
95  if (0 == qos_record_configs[input_source][sw_if_index])
96  {
97  qos_record_feature_config (sw_if_index, input_source, 0);
98  }
99 
100  return (0);
101 }
102 
103 /*
104  * Disable recording feature for all protocols when the interface
105  * is deleted
106  */
107 static clib_error_t *
109  u32 sw_if_index, u32 is_add)
110 {
111  if (!is_add)
112  {
113  qos_source_t qs;
114 
116  {
117  while (qos_record_disable (sw_if_index, qs) == 0);
118  }
119  }
120 
121  return (NULL);
122 }
123 
125 
126 /**
127  * per-packet trace data
128  */
129 typedef struct qos_record_trace_t_
130 {
131  /* per-pkt trace data */
134 
135 static inline uword
137  vlib_node_runtime_t * node,
138  vlib_frame_t * frame,
139  qos_source_t qos_src, dpo_proto_t dproto, int is_l2)
140 {
141  u32 n_left_from, *from, *to_next, next_index;
142 
143  next_index = 0;
144  n_left_from = frame->n_vectors;
145  from = vlib_frame_vector_args (frame);
146 
147  while (n_left_from > 0)
148  {
149  u32 n_left_to_next;
150 
151  vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
152 
153  while (n_left_from > 0 && n_left_to_next > 0)
154  {
155  ip4_header_t *ip4_0;
156  ip6_header_t *ip6_0;
157  vlib_buffer_t *b0;
158  u32 next0, bi0;
159  qos_bits_t qos0;
160  u8 l2_len;
161 
162  next0 = 0;
163  bi0 = from[0];
164  to_next[0] = bi0;
165  from += 1;
166  to_next += 1;
167  n_left_from -= 1;
168  n_left_to_next -= 1;
169 
170  b0 = vlib_get_buffer (vm, bi0);
171 
172  if (is_l2)
173  {
174  l2_len = vnet_buffer (b0)->l2.l2_len;
175  u8 *l3h;
176  u16 ethertype;
177 
178  vlib_buffer_advance (b0, l2_len);
179 
180  l3h = vlib_buffer_get_current (b0);
181  ethertype = clib_net_to_host_u16 (*(u16 *) (l3h - 2));
182 
183  if (ethertype == ETHERNET_TYPE_IP4)
184  dproto = DPO_PROTO_IP4;
185  else if (ethertype == ETHERNET_TYPE_IP6)
186  dproto = DPO_PROTO_IP6;
187  else if (ethertype == ETHERNET_TYPE_MPLS)
188  dproto = DPO_PROTO_MPLS;
189  else
190  goto non_ip;
191  }
192 
193  if (DPO_PROTO_IP6 == dproto)
194  {
195  ip6_0 = vlib_buffer_get_current (b0);
196  qos0 = ip6_traffic_class_network_order (ip6_0);
197  }
198  else if (DPO_PROTO_IP4 == dproto)
199  {
200  ip4_0 = vlib_buffer_get_current (b0);
201  qos0 = ip4_0->tos;
202  }
203  else if (DPO_PROTO_ETHERNET == dproto)
204  {
205  ethernet_vlan_header_t *vlan0;
206 
207  vlan0 = (vlib_buffer_get_current (b0) -
208  sizeof (ethernet_vlan_header_t));
209 
211  }
212  else if (DPO_PROTO_MPLS)
213  {
215 
216  mh = vlib_buffer_get_current (b0);
218  }
219 
220  vnet_buffer2 (b0)->qos.bits = qos0;
221  vnet_buffer2 (b0)->qos.source = qos_src;
222  b0->flags |= VNET_BUFFER_F_QOS_DATA_VALID;
223 
224  if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) &&
225  (b0->flags & VLIB_BUFFER_IS_TRACED)))
226  {
227  qos_record_trace_t *t =
228  vlib_add_trace (vm, node, b0, sizeof (*t));
229  t->bits = qos0;
230  }
231 
232  non_ip:
233  if (is_l2)
234  {
235  vlib_buffer_advance (b0, -l2_len);
236  next0 = vnet_l2_feature_next (b0,
237  l2_qos_input_next[qos_src],
238  L2INPUT_FEAT_L2_IP_QOS_RECORD);
239  }
240  else
241  vnet_feature_next (&next0, b0);
242 
243  /* verify speculative enqueue, maybe switch current next frame */
244  vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
245  to_next, n_left_to_next,
246  bi0, next0);
247  }
248 
249  vlib_put_next_frame (vm, node, next_index, n_left_to_next);
250  }
251 
252  return frame->n_vectors;
253 }
254 
255 /* packet trace format function */
256 static u8 *
257 format_qos_record_trace (u8 * s, va_list * args)
258 {
259  CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
260  CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
261  qos_record_trace_t *t = va_arg (*args, qos_record_trace_t *);
262 
263  s = format (s, "qos:%d", t->bits);
264 
265  return s;
266 }
267 
268 static inline uword
270  vlib_frame_t * frame)
271 {
272  return (qos_record_inline (vm, node, frame, QOS_SOURCE_IP,
273  DPO_PROTO_IP4, 0));
274 }
275 
276 static inline uword
278  vlib_frame_t * frame)
279 {
280  return (qos_record_inline (vm, node, frame, QOS_SOURCE_IP,
281  DPO_PROTO_IP6, 0));
282 }
283 
284 static inline uword
286  vlib_frame_t * frame)
287 {
288  return (qos_record_inline (vm, node, frame, QOS_SOURCE_MPLS,
289  DPO_PROTO_MPLS, 0));
290 }
291 
292 static inline uword
294  vlib_frame_t * frame)
295 {
296  return (qos_record_inline (vm, node, frame, QOS_SOURCE_VLAN,
297  DPO_PROTO_ETHERNET, 0));
298 }
299 
300 static inline uword
302  vlib_frame_t * frame)
303 {
304  return (qos_record_inline (vm, node, frame, QOS_SOURCE_VLAN,
305  DPO_PROTO_ETHERNET, 0));
306 }
307 
308 static inline uword
310  vlib_frame_t * frame)
311 {
312  return (qos_record_inline (vm, node, frame, QOS_SOURCE_VLAN,
313  DPO_PROTO_ETHERNET, 0));
314 }
315 
316 static inline uword
318  vlib_frame_t * frame)
319 {
320  return (qos_record_inline (vm, node, frame, QOS_SOURCE_VLAN, 0, 1));
321 }
322 
323 /* *INDENT-OFF* */
325  .function = ip4_qos_record,
326  .name = "ip4-qos-record",
327  .vector_size = sizeof (u32),
328  .format_trace = format_qos_record_trace,
329  .type = VLIB_NODE_TYPE_INTERNAL,
330 
331  .n_errors = 0,
332  .n_next_nodes = 1,
333 
334  .next_nodes = {
335  [0] = "ip4-drop",
336  },
337 };
338 
340 
342  .arc_name = "ip4-unicast",
343  .node_name = "ip4-qos-record",
344 };
345 VNET_FEATURE_INIT (ip4m_qos_record_node, static) = {
346  .arc_name = "ip4-multicast",
347  .node_name = "ip4-qos-record",
348 };
349 
351  .function = ip6_qos_record,
352  .name = "ip6-qos-record",
353  .vector_size = sizeof (u32),
354  .format_trace = format_qos_record_trace,
355  .type = VLIB_NODE_TYPE_INTERNAL,
356 
357  .n_errors = 0,
358  .n_next_nodes = 1,
359 
360  .next_nodes = {
361  [0] = "ip6-drop",
362  },
363 };
364 
366 
368  .arc_name = "ip6-unicast",
369  .node_name = "ip6-qos-record",
370 };
371 VNET_FEATURE_INIT (ip6m_qos_record_node, static) = {
372  .arc_name = "ip6-multicast",
373  .node_name = "ip6-qos-record",
374 };
375 
377  .function = mpls_qos_record,
378  .name = "mpls-qos-record",
379  .vector_size = sizeof (u32),
380  .format_trace = format_qos_record_trace,
381  .type = VLIB_NODE_TYPE_INTERNAL,
382 
383  .n_errors = 0,
384  .n_next_nodes = 1,
385 
386  .next_nodes = {
387  [0] = "mpls-drop",
388  },
389 };
390 
392 
394  .arc_name = "mpls-input",
395  .node_name = "mpls-qos-record",
396 };
397 
399  .function = vlan_mpls_qos_record,
400  .name = "vlan-mpls-qos-record",
401  .vector_size = sizeof (u32),
402  .format_trace = format_qos_record_trace,
403  .type = VLIB_NODE_TYPE_INTERNAL,
404 
405  .n_errors = 0,
406  .n_next_nodes = 1,
407 
408  .next_nodes = {
409  [0] = "mpls-drop",
410  },
411 };
412 
414 
416  .arc_name = "mpls-input",
417  .node_name = "vlan-mpls-qos-record",
418  .runs_before = VNET_FEATURES ("mpls-qos-record"),
419 };
420 
422  .function = vlan_ip4_qos_record,
423  .name = "vlan-ip4-qos-record",
424  .vector_size = sizeof (u32),
425  .format_trace = format_qos_record_trace,
426  .type = VLIB_NODE_TYPE_INTERNAL,
427 
428  .n_errors = 0,
429  .n_next_nodes = 1,
430 
431  .next_nodes = {
432  [0] = "ip4-drop",
433  },
434 };
435 
437 
439  .arc_name = "ip4-unicast",
440  .node_name = "vlan-ip4-qos-record",
441  .runs_before = VNET_FEATURES ("ip4-qos-record"),
442 };
443 VNET_FEATURE_INIT (vlan_ip4m_qos_record_node, static) = {
444  .arc_name = "ip4-multicast",
445  .node_name = "vlan-ip4-qos-record",
446  .runs_before = VNET_FEATURES ("ip4-qos-record"),
447 };
448 
450  .function = vlan_ip6_qos_record,
451  .name = "vlan-ip6-qos-record",
452  .vector_size = sizeof (u32),
453  .format_trace = format_qos_record_trace,
454  .type = VLIB_NODE_TYPE_INTERNAL,
455 
456  .n_errors = 0,
457  .n_next_nodes = 1,
458 
459  .next_nodes = {
460  [0] = "ip6-drop",
461  },
462 };
463 
465 
467  .arc_name = "ip6-unicast",
468  .node_name = "vlan-ip6-qos-record",
469  .runs_before = VNET_FEATURES ("ip6-qos-record"),
470 };
471 VNET_FEATURE_INIT (vlan_ip6m_qos_record_node, static) = {
472  .arc_name = "ip6-multicast",
473  .node_name = "vlan-ip6-qos-record",
474  .runs_before = VNET_FEATURES ("ip6-qos-record"),
475 };
476 
478  .function = l2_ip_qos_record,
479  .name = "l2-ip-qos-record",
480  .vector_size = sizeof (u32),
481  .format_trace = format_qos_record_trace,
482  .type = VLIB_NODE_TYPE_INTERNAL,
483 
484  .n_errors = 0,
485  .n_next_nodes = 1,
486 
487  /* Consider adding error "no IP after L2, no recording" */
488  .next_nodes = {
489  [0] = "error-drop",
490  },
491 };
492 
494 
495 /* *INDENT-ON* */
496 
497 clib_error_t *
499 {
500  qos_source_t qs;
501 
502  /* Initialize the feature next-node indexes */
505  l2_ip_qos_record_node.index,
508  l2_qos_input_next[qs]);
509  return 0;
510 }
511 
513 
514 static clib_error_t *
516  unformat_input_t * input, vlib_cli_command_t * cmd)
517 {
518  vnet_main_t *vnm = vnet_get_main ();
519  u32 sw_if_index, qs;
520  u8 enable;
521 
522  qs = 0xff;
523  enable = 1;
524  sw_if_index = ~0;
525 
527  {
528  if (unformat (input, "%U", unformat_vnet_sw_interface,
529  vnm, &sw_if_index))
530  ;
531  else if (unformat (input, "%U", unformat_qos_source, &qs))
532  ;
533  else if (unformat (input, "enable"))
534  enable = 1;
535  else if (unformat (input, "disable"))
536  enable = 0;
537  else
538  break;
539  }
540 
541  if (~0 == sw_if_index)
542  return clib_error_return (0, "interface must be specified");
543  if (0xff == qs)
544  return clib_error_return (0, "input location must be specified");
545 
546  if (enable)
547  qos_record_enable (sw_if_index, qs);
548  else
549  qos_record_disable (sw_if_index, qs);
550 
551  return (NULL);
552 }
553 
554 /*?
555  * Enable QoS bit recording on an interface using the packet's input DSCP bits
556  * Which input QoS bits to use are either; IP, MPLS or VLAN. If more than
557  * one protocol is chosen (which is foolish) the higher layers override the
558  * lower.
559  *
560  * @cliexpar
561  * @cliexcmd{qos record ip GigEthernet0/1/0}
562  ?*/
563 /* *INDENT-OFF* */
564 VLIB_CLI_COMMAND (qos_record_command, static) = {
565  .path = "qos record",
566  .short_help = "qos record <record-source> <INTERFACE> [disable]",
567  .function = qos_record_cli,
568  .is_mp_safe = 1,
569 };
570 /* *INDENT-ON* */
571 
572 
573 /*
574  * fd.io coding-style-patch-verification: ON
575  *
576  * Local Variables:
577  * eval: (c-set-style "gnu")
578  * End:
579  */
#define vec_validate(V, I)
Make sure vector is long enough for given index (no header, unspecified alignment) ...
Definition: vec.h:439
vlib_node_registration_t ip6_qos_record_node
(constructor) VLIB_REGISTER_NODE (ip6_qos_record_node)
Definition: qos_record.c:350
#define CLIB_UNUSED(x)
Definition: clib.h:82
static uword ip4_qos_record(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
Definition: qos_record.c:269
vlib_node_registration_t vlan_ip6_qos_record_node
(constructor) VLIB_REGISTER_NODE (vlan_ip6_qos_record_node)
Definition: qos_record.c:449
vnet_main_t * vnet_get_main(void)
Definition: misc.c:47
#define vnet_buffer2(b)
Definition: buffer.h:413
#define NULL
Definition: clib.h:58
VNET_SW_INTERFACE_ADD_DEL_FUNCTION(qos_record_ip_interface_add_del)
static u8 * qos_record_configs[QOS_N_SOURCES]
Per-interface, per-protocol vector of feature on/off configurations.
Definition: qos_record.c:27
vlib_node_registration_t vlan_ip4_qos_record_node
(constructor) VLIB_REGISTER_NODE (vlan_ip4_qos_record_node)
Definition: qos_record.c:421
clib_error_t * l2_ip_qos_init(vlib_main_t *vm)
Definition: qos_record.c:498
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:419
unformat_function_t unformat_vnet_sw_interface
unsigned char u8
Definition: types.h:56
static u32 vnet_l2_feature_next(vlib_buffer_t *b, u32 *next_nodes, u32 feat_bit)
Return the graph node index for the feature corresponding to the next set bit after clearing the curr...
Definition: feat_bitmap.h:94
Some external source, e.g.
Definition: qos_types.h:35
static uword mpls_qos_record(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
Definition: qos_record.c:285
static clib_error_t * qos_record_cli(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: qos_record.c:515
#define VLIB_INIT_FUNCTION(x)
Definition: init.h:163
u32 sw_if_index
Definition: vxlan_gbp.api:37
static_always_inline u8 ip6_traffic_class_network_order(const ip6_header_t *ip6)
Definition: ip6_packet.h:388
#define clib_error_return(e, args...)
Definition: error.h:99
#define FOR_EACH_QOS_SOURCE(_src)
Definition: qos_types.h:54
unsigned int u32
Definition: types.h:88
enum dpo_proto_t_ dpo_proto_t
Data path protocol.
struct qos_record_trace_t_ qos_record_trace_t
per-packet trace data
static clib_error_t * qos_record_ip_interface_add_del(vnet_main_t *vnm, u32 sw_if_index, u32 is_add)
Definition: qos_record.c:108
VLIB_NODE_FUNCTION_MULTIARCH(ip4_qos_record_node, ip4_qos_record)
static u32 l2_qos_input_next[QOS_N_SOURCES][32]
Definition: qos_record.c:28
struct _unformat_input_t unformat_input_t
unsigned short u16
Definition: types.h:57
static void * vlib_buffer_get_current(vlib_buffer_t *b)
Get pointer to current data to process.
Definition: buffer.h:214
#define PREDICT_FALSE(x)
Definition: clib.h:111
static void qos_record_feature_config(u32 sw_if_index, qos_source_t input_source, u8 enable)
Definition: qos_record.c:31
#define vlib_validate_buffer_enqueue_x1(vm, node, next_index, to_next, n_left_to_next, bi0, next0)
Finish enqueueing one buffer forward in the graph.
Definition: buffer_node.h:218
#define vlib_get_next_frame(vm, node, next_index, vectors, n_vectors_left)
Get pointer to next frame vector data by (vlib_node_runtime_t, next_index).
Definition: node_funcs.h:368
vlib_node_registration_t mpls_qos_record_node
(constructor) VLIB_REGISTER_NODE (mpls_qos_record_node)
Definition: qos_record.c:376
#define VLIB_REGISTER_NODE(x,...)
Definition: node.h:169
#define UNFORMAT_END_OF_INPUT
Definition: format.h:144
u16 n_vectors
Definition: node.h:420
vlib_main_t * vm
Definition: buffer.c:301
enum qos_source_t_ qos_source_t
QoS types.
static_always_inline void vnet_feature_next(u32 *next0, vlib_buffer_t *b0)
Definition: feature.h:295
static void feat_bitmap_init_next_nodes(vlib_main_t *vm, u32 node_index, u32 num_features, char **feat_names, u32 *next_nodes)
Initialize the feature next-node indexes of a graph node.
Definition: feat_bitmap.h:43
void vlib_put_next_frame(vlib_main_t *vm, vlib_node_runtime_t *r, u32 next_index, u32 n_vectors_left)
Release pointer to next frame vector data.
Definition: main.c:459
char ** l2input_get_feat_names(void)
Return an array of strings containing graph node names of each feature.
Definition: l2_input.c:60
#define VLIB_CLI_COMMAND(x,...)
Definition: cli.h:155
int qos_record_disable(u32 sw_if_index, qos_source_t input_source)
Definition: qos_record.c:85
static u8 * format_qos_record_trace(u8 *s, va_list *args)
Definition: qos_record.c:257
mpls_label_t label_exp_s_ttl
Definition: packet.h:31
u32 l2input_intf_bitmap_enable(u32 sw_if_index, l2input_feat_masks_t feature_bitmap, u32 enable)
Enable (or disable) the feature in the bitmap for the given interface.
Definition: l2_input.c:530
static uword qos_record_inline(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, qos_source_t qos_src, dpo_proto_t dproto, int is_l2)
Definition: qos_record.c:136
static void vlib_buffer_advance(vlib_buffer_t *b, word l)
Advance current data pointer by the supplied (signed!) amount.
Definition: buffer.h:233
static uword ip6_qos_record(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
Definition: qos_record.c:277
IPv6 to IPv4 translation.
#define VNET_FEATURES(...)
Definition: feature.h:435
static void * vlib_add_trace(vlib_main_t *vm, vlib_node_runtime_t *r, vlib_buffer_t *b, u32 n_data_bytes)
Definition: trace_funcs.h:57
static vlib_node_registration_t l2_ip_qos_record_node
(constructor) VLIB_REGISTER_NODE (l2_ip_qos_record_node)
Definition: qos_record.c:477
static uword l2_ip_qos_record(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
Definition: qos_record.c:317
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
u64 uword
Definition: types.h:112
static void * vlib_frame_vector_args(vlib_frame_t *f)
Get pointer to frame vector data.
Definition: node_funcs.h:274
vlib_node_registration_t vlan_mpls_qos_record_node
(constructor) VLIB_REGISTER_NODE (vlan_mpls_qos_record_node)
Definition: qos_record.c:398
#define vnet_buffer(b)
Definition: buffer.h:368
int qos_record_enable(u32 sw_if_index, qos_source_t input_source)
Definition: qos_record.c:71
static uword vlan_ip6_qos_record(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
Definition: qos_record.c:301
per-packet trace data
Definition: qos_record.c:129
static uword vlan_ip4_qos_record(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
Definition: qos_record.c:293
u16 flags
Copy of main node flags.
Definition: node.h:532
static u32 vnet_mpls_uc_get_exp(mpls_label_t label_exp_s_ttl)
Definition: packet.h:108
static u8 ethernet_vlan_header_get_priority_net_order(ethernet_vlan_header_t *h)
Definition: packet.h:150
#define VLIB_NODE_FLAG_TRACE
Definition: node.h:326
u32 flags
buffer flags: VLIB_BUFFER_FREE_LIST_INDEX_MASK: bits used to store free list index, VLIB_BUFFER_IS_TRACED: trace this buffer.
Definition: buffer.h:117
vlib_node_registration_t ip4_qos_record_node
(constructor) VLIB_REGISTER_NODE (ip4_qos_record_node)
Definition: qos_record.c:324
static vlib_buffer_t * vlib_get_buffer(vlib_main_t *vm, u32 buffer_index)
Translate buffer index into buffer pointer.
Definition: buffer_funcs.h:62
uword unformat_qos_source(unformat_input_t *input, va_list *args)
Definition: qos_types.c:35
u8 qos_bits_t
Type, er, safety for us water based entities.
Definition: qos_types.h:68
VNET_FEATURE_INIT(ip4_qos_record_node, static)
uword unformat(unformat_input_t *i, const char *fmt,...)
Definition: unformat.c:972
static uword vlan_mpls_qos_record(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
Definition: qos_record.c:309
int vnet_feature_enable_disable(const char *arc_name, const char *node_name, u32 sw_if_index, int enable_disable, void *feature_config, u32 n_feature_config_bytes)
Definition: feature.c:274
static uword unformat_check_input(unformat_input_t *i)
Definition: format.h:170
#define QOS_N_SOURCES
The maximum number of sources.
Definition: qos_types.h:45