FD.io VPP  v18.10-34-gcce845e
Vector Packet Processing
ethernet.h
Go to the documentation of this file.
1 /*
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  * ethernet.h: types/functions for ethernet.
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 #ifndef included_ethernet_h
41 #define included_ethernet_h
42 
43 #include <vnet/vnet.h>
44 #include <vnet/ethernet/packet.h>
45 #include <vnet/pg/pg.h>
46 #include <vnet/feature/feature.h>
47 
50 {
51  return (((u64) a[0] << (u64) (5 * 8))
52  | ((u64) a[1] << (u64) (4 * 8))
53  | ((u64) a[2] << (u64) (3 * 8))
54  | ((u64) a[3] << (u64) (2 * 8))
55  | ((u64) a[4] << (u64) (1 * 8)) | ((u64) a[5] << (u64) (0 * 8)));
56 }
57 
58 always_inline void
60 {
61  i8 ii;
62 
63  for (ii = 5; ii >= 0; ii--)
64  {
65  a[ii] = u & 0xFF;
66  u = u >> 8;
67  }
68 }
69 
70 static inline int
72 {
73  return (a & (1ULL << (5 * 8))) != 0;
74 }
75 
76 static inline int
78 {
79  return ((*((u32 *) mac) == 0) && (*((u16 *) (mac + 4)) == 0));
80 }
81 
82 #ifdef CLIB_HAVE_VEC128
83 static const u16x8 tagged_ethertypes = {
84  (u16) ETHERNET_TYPE_VLAN,
85  (u16) ETHERNET_TYPE_DOT1AD,
86  (u16) ETHERNET_TYPE_VLAN_9100,
87  (u16) ETHERNET_TYPE_VLAN_9200,
88  /* duplicate last one to fill register */
89  (u16) ETHERNET_TYPE_VLAN_9200,
90  (u16) ETHERNET_TYPE_VLAN_9200,
91  (u16) ETHERNET_TYPE_VLAN_9200,
92  (u16) ETHERNET_TYPE_VLAN_9200
93 };
94 #endif
95 
98 {
99 #ifdef CLIB_HAVE_VEC128
100  return !u16x8_is_all_zero (tagged_ethertypes == u16x8_splat (type));
101 #else
102  if ((type == ETHERNET_TYPE_VLAN) ||
103  (type == ETHERNET_TYPE_DOT1AD) ||
104  (type == ETHERNET_TYPE_VLAN_9100) || (type == ETHERNET_TYPE_VLAN_9200))
105  return 1;
106 #endif
107  return 0;
108 }
109 
112 {
113 #ifdef CLIB_HAVE_VEC128
114  u16x8 r0 = (tagged_ethertypes == u16x8_splat (type0));
115  u16x8 r1 = (tagged_ethertypes == u16x8_splat (type1));
116  return !u16x8_is_all_zero (r0 | r1);
117 #else
118  return ethernet_frame_is_tagged (type0) || ethernet_frame_is_tagged (type1);
119 #endif
120 }
121 
123 ethernet_frame_is_any_tagged_x4 (u16 type0, u16 type1, u16 type2, u16 type3)
124 {
125 #ifdef CLIB_HAVE_VEC128
126  u16x8 r0 = (tagged_ethertypes == u16x8_splat (type0));
127  u16x8 r1 = (tagged_ethertypes == u16x8_splat (type1));
128  u16x8 r2 = (tagged_ethertypes == u16x8_splat (type2));
129  u16x8 r3 = (tagged_ethertypes == u16x8_splat (type3));
130  return !u16x8_is_all_zero (r0 | r1 | r2 | r3);
131 #else
132  return ethernet_frame_is_tagged (type0) || ethernet_frame_is_tagged (type1)
134 #endif
135 }
136 
137 /* Max. sized ethernet/vlan header for parsing. */
138 typedef struct
139 {
141 
142  /* Allow up to 2 stacked vlan headers. */
145 
146 struct vnet_hw_interface_t;
147 /* Ethernet flag change callback. */
150 
151 #define ETHERNET_MIN_PACKET_BYTES 64
152 #define ETHERNET_MAX_PACKET_BYTES 9216
153 
154 /* Ethernet interface instance. */
155 typedef struct ethernet_interface
156 {
157 
158  /* Accept all packets (promiscuous mode). */
159 #define ETHERNET_INTERFACE_FLAG_ACCEPT_ALL (1 << 0)
160 #define ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC(flags) \
161  (((flags) & ~ETHERNET_INTERFACE_FLAG_ACCEPT_ALL) == 0)
162 
163  /* Change MTU on interface from hw interface structure */
164 #define ETHERNET_INTERFACE_FLAG_MTU (1 << 1)
165 #define ETHERNET_INTERFACE_FLAG_CONFIG_MTU(flags) \
166  ((flags) & ETHERNET_INTERFACE_FLAG_MTU)
167 
168  /* Callback, e.g. to turn on/off promiscuous mode */
170 
172 
173  /* Ethernet (MAC) address for this interface. */
176 
178 
179 typedef struct
180 {
181  /* Name (a c string). */
182  char *name;
183 
184  /* Ethernet type in host byte order. */
186 
187  /* Node which handles this type. */
189 
190  /* Next index for this type. */
193 
194 typedef enum
195 {
196 #define ethernet_error(n,c,s) ETHERNET_ERROR_##n,
197 #include <vnet/ethernet/error.def>
198 #undef ethernet_error
201 
202 
203 // Structs used when parsing packet to find sw_if_index
204 
205 typedef struct
206 {
209  // config entry is-valid flag
210  // exact match flags (valid if packet has 0/1/2/3 tags)
211  // L2 vs L3 forwarding mode
212 #define SUBINT_CONFIG_MATCH_0_TAG (1<<0)
213 #define SUBINT_CONFIG_MATCH_1_TAG (1<<1)
214 #define SUBINT_CONFIG_MATCH_2_TAG (1<<2)
215 #define SUBINT_CONFIG_MATCH_3_TAG (1<<3)
216 #define SUBINT_CONFIG_VALID (1<<4)
217 #define SUBINT_CONFIG_L2 (1<<5)
218 #define SUBINT_CONFIG_P2P (1<<6)
219 
221 
224 {
225  return SUBINT_CONFIG_VALID | (1 << num_tags);
226 }
227 
228 
229 typedef struct
230 {
233  u16 dot1q_vlans; // pool id for vlan table
234  u16 dot1ad_vlans; // pool id for vlan table
235 } main_intf_t;
236 
237 typedef struct
238 {
241  u32 qinqs; // pool id for qinq table
242 } vlan_intf_t;
243 
244 typedef struct
245 {
247 } vlan_table_t;
248 
249 typedef struct
250 {
252 } qinq_intf_t;
253 
254 typedef struct
255 {
257 } qinq_table_t;
258 
259 // Structure mapping to a next index based on ethertype.
260 // Common ethertypes are stored explicitly, others are
261 // stored in a sparse table.
262 typedef struct
263 {
264  /* Sparse vector mapping ethernet type in network byte order
265  to next index. */
268 
269  /* cached next indexes for common ethertypes */
274 
275 typedef struct
276 {
278 
279  /* next node index for the L3 input node of each ethertype */
281 
282  /* next node index for L2 interfaces */
284 
285  /* flag and next node index for L3 redirect */
288 
289  /* Pool of ethernet interface instances. */
291 
293 
294  /* Hash tables mapping name/type to type info index. */
295  uword *type_info_by_name, *type_info_by_type;
296 
297  // The root of the vlan parsing tables. A vector with one element
298  // for each main interface, indexed by hw_if_index.
300 
301  // Pool of vlan tables
303 
304  // Pool of qinq tables;
306 
307  /* Set to one to use AB.CD.EF instead of A:B:C:D:E:F as ethernet format. */
309 
310  /* debug: make sure we don't wipe out an ethernet registration by mistake */
312 
313  /* Feature arc index */
315 
316  /* Allocated loopback instances */
319 
321 
324 {
325  uword *p = hash_get (em->type_info_by_type, type);
326  return p ? vec_elt_at_index (em->type_infos, p[0]) : 0;
327 }
328 
330  u32 hw_if_index);
331 
333  u32 dev_class_index,
334  u32 dev_instance,
335  u8 * address,
336  u32 * hw_if_index_return,
338  flag_change);
339 
340 void ethernet_delete_interface (vnet_main_t * vnm, u32 hw_if_index);
341 
342 /* Register given node index to take input for given ethernet type. */
343 void
345  ethernet_type_t type, u32 node_index);
346 
347 /* Register given node index to take input for packet from L2 interfaces. */
348 void ethernet_register_l2_input (vlib_main_t * vm, u32 node_index);
349 
350 /* Register given node index to take redirected L3 traffic, and enable L3 redirect */
351 void ethernet_register_l3_redirect (vlib_main_t * vm, u32 node_index);
352 
353 /* Formats ethernet address X:X:X:X:X:X */
354 u8 *format_mac_address (u8 * s, va_list * args);
355 u8 *format_ethernet_address (u8 * s, va_list * args);
356 u8 *format_ethernet_type (u8 * s, va_list * args);
357 u8 *format_ethernet_vlan_tci (u8 * s, va_list * va);
358 u8 *format_ethernet_header (u8 * s, va_list * args);
359 u8 *format_ethernet_header_with_length (u8 * s, va_list * args);
360 
361 /* Parse ethernet address in either X:X:X:X:X:X unix or X.X.X cisco format. */
362 uword unformat_ethernet_address (unformat_input_t * input, va_list * args);
363 uword unformat_mac_address (unformat_input_t * input, va_list * args);
364 
365 /* Parse ethernet type as 0xXXXX or type name from ethernet/types.def.
366  In either host or network byte order. */
367 uword
369  va_list * args);
370 uword
372  va_list * args);
373 
374 /* Parse ethernet header. */
375 uword unformat_ethernet_header (unformat_input_t * input, va_list * args);
376 
377 /* Parse ethernet interface name; return hw_if_index. */
378 uword unformat_ethernet_interface (unformat_input_t * input, va_list * args);
379 
380 uword unformat_pg_ethernet_header (unformat_input_t * input, va_list * args);
381 
382 always_inline void
384 {
385  vlib_node_t *n = vlib_get_node (vm, node_index);
386  pg_node_t *pn = pg_get_node (node_index);
387 
391 }
392 
395 {
396  return (void *) (b->data + vnet_buffer (b)->l2_hdr_offset);
397 }
398 
399 /** Returns the number of VLAN headers in the current Ethernet frame in the
400  * buffer. Returns 0, 1, 2 for the known header count. The value 3 indicates
401  * the number of headers is not known.
402  */
403 #define ethernet_buffer_get_vlan_count(b) ( \
404  ((b)->flags & VNET_BUFFER_FLAGS_VLAN_BITS) >> VNET_BUFFER_F_LOG2_VLAN_1_DEEP \
405 )
406 
407 /** Sets the number of VLAN headers in the current Ethernet frame in the
408  * buffer. Values 0, 1, 2 indicate the header count. The value 3 indicates
409  * the number of headers is not known.
410  */
411 #define ethernet_buffer_set_vlan_count(b, v) ( \
412  (b)->flags = ((b)->flags & ~VNET_BUFFER_FLAGS_VLAN_BITS) | \
413  (((v) << VNET_BUFFER_F_LOG2_VLAN_1_DEEP) & VNET_BUFFER_FLAGS_VLAN_BITS) \
414 )
415 
416 /** Adjusts the vlan count by the delta in 'v' */
417 #define ethernet_buffer_adjust_vlan_count(b, v) ( \
418  ethernet_buffer_set_vlan_count(b, \
419  (word)ethernet_buffer_get_vlan_count(b) + (word)(v)) \
420 )
421 
422 /** Adjusts the vlan count by the header size byte delta in 'v' */
423 #define ethernet_buffer_adjust_vlan_count_by_bytes(b, v) ( \
424  (b)->flags = ((b)->flags & ~VNET_BUFFER_FLAGS_VLAN_BITS) | (( \
425  ((b)->flags & VNET_BUFFER_FLAGS_VLAN_BITS) + \
426  ((v) << (VNET_BUFFER_F_LOG2_VLAN_1_DEEP - 2)) \
427  ) & VNET_BUFFER_FLAGS_VLAN_BITS) \
428 )
429 
430 /**
431  * Determine the size of the Ethernet headers of the current frame in
432  * the buffer. This uses the VLAN depth flags that are set by
433  * ethernet-input. Because these flags are stored in the vlib_buffer_t
434  * "flags" field this count is valid regardless of the node so long as it's
435  * checked downstream of ethernet-input; That is, the value is not stored in
436  * the opaque space.
437  */
438 #define ethernet_buffer_header_size(b) ( \
439  ethernet_buffer_get_vlan_count((b)) * sizeof(ethernet_vlan_header_t) + \
440  sizeof(ethernet_header_t) \
441 )
442 
444 u32 ethernet_set_flags (vnet_main_t * vnm, u32 hw_if_index, u32 flags);
446  u32 l2);
448  u32 sw_if_index, u32 l2);
450  u32 enable);
451 
454  u32 ethertype, u32 next_index);
455 
456 int vnet_create_loopback_interface (u32 * sw_if_indexp, u8 * mac_address,
457  u8 is_specified, u32 user_instance);
460 
461 // Perform ethernet subinterface classification table lookups given
462 // the ports's sw_if_index and fields extracted from the ethernet header.
463 // The resulting tables are used by identify_subint().
464 always_inline void
466  vnet_main_t * vnm,
467  u32 port_sw_if_index0,
468  u16 first_ethertype,
469  u16 outer_id,
470  u16 inner_id,
471  vnet_hw_interface_t ** hi,
472  main_intf_t ** main_intf,
473  vlan_intf_t ** vlan_intf, qinq_intf_t ** qinq_intf)
474 {
475  vlan_table_t *vlan_table;
476  qinq_table_t *qinq_table;
477  u32 vlan_table_id;
478 
479  // Read the main, vlan, and qinq interface table entries
480  // TODO: Consider if/how to prefetch tables. Also consider
481  // single-entry cache to skip table lookups and identify_subint()
482  // processing.
483  *hi = vnet_get_sup_hw_interface (vnm, port_sw_if_index0);
484  *main_intf = vec_elt_at_index (em->main_intfs, (*hi)->hw_if_index);
485 
486  // Always read the vlan and qinq tables, even if there are not that
487  // many tags on the packet. This makes the lookups and comparisons
488  // easier (and less branchy).
489  vlan_table_id = (first_ethertype == ETHERNET_TYPE_DOT1AD) ?
490  (*main_intf)->dot1ad_vlans : (*main_intf)->dot1q_vlans;
491  vlan_table = vec_elt_at_index (em->vlan_pool, vlan_table_id);
492  *vlan_intf = &vlan_table->vlans[outer_id];
493 
494  qinq_table = vec_elt_at_index (em->qinq_pool, (*vlan_intf)->qinqs);
495  *qinq_intf = &qinq_table->vlans[inner_id];
496 }
497 
498 
499 // Determine the subinterface for this packet, given the result of the
500 // vlan table lookups and vlan header parsing. Check the most specific
501 // matches first.
502 // Returns 1 if a matching subinterface was found, otherwise returns 0.
505  vlib_buffer_t * b0,
506  u32 match_flags,
507  main_intf_t * main_intf,
508  vlan_intf_t * vlan_intf,
509  qinq_intf_t * qinq_intf,
510  u32 * new_sw_if_index, u8 * error0, u32 * is_l2)
511 {
512  subint_config_t *subint;
513 
514  // Each comparison is checking both the valid flag and the number of tags
515  // (incorporating exact-match/non-exact-match).
516 
517  // check for specific double tag
518  subint = &qinq_intf->subint;
519  if ((subint->flags & match_flags) == match_flags)
520  goto matched;
521 
522  // check for specific outer and 'any' inner
523  subint = &vlan_intf->inner_any_subint;
524  if ((subint->flags & match_flags) == match_flags)
525  goto matched;
526 
527  // check for specific single tag
528  subint = &vlan_intf->single_tag_subint;
529  if ((subint->flags & match_flags) == match_flags)
530  goto matched;
531 
532  // check for default interface
533  subint = &main_intf->default_subint;
534  if ((subint->flags & match_flags) == match_flags)
535  goto matched;
536 
537  // check for untagged interface
538  subint = &main_intf->untagged_subint;
539  if ((subint->flags & match_flags) == match_flags)
540  goto matched;
541 
542  // No matching subinterface
543  *new_sw_if_index = ~0;
544  *error0 = ETHERNET_ERROR_UNKNOWN_VLAN;
545  *is_l2 = 0;
546  return 0;
547 
548 matched:
549  *new_sw_if_index = subint->sw_if_index;
550  *is_l2 = subint->flags & SUBINT_CONFIG_L2;
551  return 1;
552 }
553 
554 // Compare two ethernet macs. Return 1 if they are the same, 0 if different
556 eth_mac_equal (const u8 * mac1, const u8 * mac2)
557 {
558  return (*((u32 *) (mac1 + 0)) == *((u32 *) (mac2 + 0)) &&
559  *((u32 *) (mac1 + 2)) == *((u32 *) (mac2 + 2)));
560 }
561 
562 
565 {
566  return &ethernet_main;
567 }
568 
570  void *address_arg,
571  uword node_index,
572  uword type_opaque, uword data);
573 
574 
576  void *data_callback,
577  u32 pid,
578  void *address_arg,
579  uword node_index,
580  uword type_opaque,
581  uword data, int is_add);
582 
583 void wc_arp_set_publisher_node (uword inode_index, uword event_type);
584 
587 
589 
593  vnet_link_t link_type, const void *dst_address);
594 const u8 *ethernet_ip4_mcast_dst_addr (void);
595 const u8 *ethernet_ip6_mcast_dst_addr (void);
596 
598 
599 typedef struct
600 {
603  u8 mac[6];
605 
606 #endif /* included_ethernet_h */
607 
608 /*
609  * fd.io coding-style-patch-verification: ON
610  *
611  * Local Variables:
612  * eval: (c-set-style "gnu")
613  * End:
614  */
static_always_inline int ethernet_frame_is_any_tagged_x4(u16 type0, u16 type1, u16 type2, u16 type3)
Definition: ethernet.h:123
subint_config_t subint
Definition: ethernet.h:251
vmrglw vmrglh hi
uword unformat_ethernet_type_net_byte_order(unformat_input_t *input, va_list *args)
Definition: format.c:278
#define ETHERNET_N_VLAN
Definition: packet.h:133
a
Definition: bitmap.h:538
uword unformat_pg_ethernet_header(unformat_input_t *input, va_list *args)
Definition: pg.c:82
void ethernet_delete_interface(vnet_main_t *vnm, u32 hw_if_index)
Definition: interface.c:323
vlib_main_t * vlib_main
Definition: ethernet.h:277
static vnet_hw_interface_t * vnet_get_sup_hw_interface(vnet_main_t *vnm, u32 sw_if_index)
ethernet_main_t * ethernet_get_main(vlib_main_t *vm)
Definition: init.c:116
unsigned long u64
Definition: types.h:89
ethernet_type_t
Definition: packet.h:45
int vnet_add_del_ip4_arp_change_event(vnet_main_t *vnm, void *data_callback, u32 pid, void *address_arg, uword node_index, uword type_opaque, uword data, int is_add)
Definition: arp.c:808
main_intf_t * main_intfs
Definition: ethernet.h:299
subint_config_t inner_any_subint
Definition: ethernet.h:240
vlib_node_registration_t ethernet_input_node
(constructor) VLIB_REGISTER_NODE (ethernet_input_node)
Definition: node.c:1158
unsigned char u8
Definition: types.h:56
void ethernet_register_l3_redirect(vlib_main_t *vm, u32 node_index)
Definition: node.c:1374
static pg_node_t * pg_get_node(uword node_index)
Definition: pg.h:356
static u32 eth_mac_equal(const u8 *mac1, const u8 *mac2)
Definition: ethernet.h:556
static u64 ethernet_mac_address_u64(const u8 *a)
Definition: ethernet.h:49
ethernet_main_t ethernet_main
Definition: init.c:45
#define static_always_inline
Definition: clib.h:95
u8 * format_ethernet_address(u8 *s, va_list *args)
Definition: format.c:44
u32 sw_if_index
Definition: vxlan_gbp.api:39
#define always_inline
Definition: clib.h:94
subint_config_t default_subint
Definition: ethernet.h:232
#define vec_elt_at_index(v, i)
Get vector value at index i checking that i is in bounds.
void ethernet_sw_interface_set_l2_mode_noport(vnet_main_t *vnm, u32 sw_if_index, u32 l2)
Definition: node.c:1063
static int ethernet_mac_address_is_zero(const u8 *mac)
Definition: ethernet.h:77
u8 output_feature_arc_index
Definition: ethernet.h:314
int format_ethernet_address_16bit
Definition: ethernet.h:308
ethernet_flag_change_function_t * flag_change
Definition: ethernet.h:169
unsigned int u32
Definition: types.h:88
const u8 * ethernet_ip6_mcast_dst_addr(void)
Definition: interface.c:66
ethernet_error_t
Definition: ethernet.h:194
void ethernet_set_rx_redirect(vnet_main_t *vnm, vnet_hw_interface_t *hi, u32 enable)
Definition: node.c:1202
void ethernet_update_adjacency(vnet_main_t *vnm, u32 sw_if_index, u32 ai)
Definition: interface.c:195
#define hash_get(h, key)
Definition: hash.h:249
u16 dot1q_vlans
Definition: ethernet.h:233
static ethernet_header_t * ethernet_buffer_get_header(vlib_buffer_t *b)
Definition: ethernet.h:394
void wc_arp_set_publisher_node(uword inode_index, uword event_type)
Definition: arp.c:1606
subint_config_t single_tag_subint
Definition: ethernet.h:239
u32 * sparse_index_by_input_next_index
Definition: ethernet.h:267
static ethernet_type_info_t * ethernet_get_type_info(ethernet_main_t *em, ethernet_type_t type)
Definition: ethernet.h:323
static void ethernet_mac_address_from_u64(u64 u, u8 *a)
Definition: ethernet.h:59
struct _unformat_input_t unformat_input_t
unsigned short u16
Definition: types.h:57
signed char i8
Definition: types.h:45
format_function_t * format_buffer
Definition: node.h:362
u16 dot1ad_vlans
Definition: ethernet.h:234
void arp_update_adjacency(vnet_main_t *vnm, u32 sw_if_index, u32 ai)
Definition: arp.c:446
vnet_hw_interface_class_t ethernet_hw_interface_class
u8 next_by_ethertype_register_called
Definition: ethernet.h:311
subint_config_t untagged_subint
Definition: ethernet.h:231
u32 flags
Definition: vhost_user.h:115
u8 * format_ethernet_type(u8 *s, va_list *args)
Definition: format.c:64
int vnet_create_loopback_interface(u32 *sw_if_indexp, u8 *mac_address, u8 is_specified, u32 user_instance)
Definition: interface.c:736
typedef mac_address
u8 * format_ethernet_header_with_length(u8 *s, va_list *args)
Definition: format.c:97
#define SUBINT_CONFIG_VALID
Definition: ethernet.h:216
clib_error_t * next_by_ethertype_register(next_by_ethertype_t *l3_next, u32 ethertype, u32 next_index)
Definition: node.c:1247
void vnet_register_ip4_arp_resolution_event(vnet_main_t *vnm, void *address_arg, uword node_index, uword type_opaque, uword data)
Definition: arp.c:777
qinq_intf_t vlans[ETHERNET_N_VLAN]
Definition: ethernet.h:256
int vnet_delete_sub_interface(u32 sw_if_index)
Definition: interface.c:917
int vnet_delete_loopback_interface(u32 sw_if_index)
Definition: interface.c:897
static u32 eth_create_valid_subint_match_flags(u32 num_tags)
Definition: ethernet.h:223
void ethernet_register_l2_input(vlib_main_t *vm, u32 node_index)
Definition: node.c:1353
unformat_function_t * unformat_buffer
Definition: node.h:363
unformat_function_t * unformat_edit
Definition: pg.h:313
uword unformat_mac_address(unformat_input_t *input, va_list *args)
Definition: format.c:241
static void eth_vlan_table_lookups(ethernet_main_t *em, vnet_main_t *vnm, u32 port_sw_if_index0, u16 first_ethertype, u16 outer_id, u16 inner_id, vnet_hw_interface_t **hi, main_intf_t **main_intf, vlan_intf_t **vlan_intf, qinq_intf_t **qinq_intf)
Definition: ethernet.h:465
static int ethernet_mac_address_is_multicast_u64(u64 a)
Definition: ethernet.h:71
#define SUBINT_CONFIG_L2
Definition: ethernet.h:217
uword unformat_ethernet_address(unformat_input_t *input, va_list *args)
Definition: format.c:233
vlan_table_t * vlan_pool
Definition: ethernet.h:302
void ethernet_ndp_change_mac(u32 sw_if_index)
static u32 eth_identify_subint(vnet_hw_interface_t *hi, vlib_buffer_t *b0, u32 match_flags, main_intf_t *main_intf, vlan_intf_t *vlan_intf, qinq_intf_t *qinq_intf, u32 *new_sw_if_index, u8 *error0, u32 *is_l2)
Definition: ethernet.h:504
u8 * format_ethernet_header(u8 *s, va_list *args)
Definition: format.c:178
u32 redirect_l3_next
Definition: ethernet.h:287
enum vnet_link_t_ vnet_link_t
Link Type: A description of the protocol of packets on the link.
ethernet_type_t type
Definition: ethernet.h:185
u32( ethernet_flag_change_function_t)(vnet_main_t *vnm, struct vnet_hw_interface_t *hi, u32 flags)
Definition: ethernet.h:149
static_always_inline int ethernet_frame_is_tagged(u16 type)
Definition: ethernet.h:97
clib_error_t * ethernet_register_interface(vnet_main_t *vnm, u32 dev_class_index, u32 dev_instance, u8 *address, u32 *hw_if_index_return, ethernet_flag_change_function_t flag_change)
Definition: interface.c:277
vlan_intf_t vlans[ETHERNET_N_VLAN]
Definition: ethernet.h:246
uword * bm_loopback_instances
Definition: ethernet.h:317
void ethernet_arp_change_mac(u32 sw_if_index)
Definition: arp.c:2528
void ethernet_register_input_type(vlib_main_t *vm, ethernet_type_t type, u32 node_index)
Definition: node.c:1322
uword unformat_ethernet_interface(unformat_input_t *input, va_list *args)
Definition: interface.c:256
struct _vlib_node_registration vlib_node_registration_t
uword * type_info_by_type
Definition: ethernet.h:295
ethernet_interface_t * ethernet_get_interface(ethernet_main_t *em, u32 hw_if_index)
Definition: interface.c:887
void ethernet_sw_interface_set_l2_mode(vnet_main_t *vnm, u32 sw_if_index, u32 l2)
Definition: node.c:1014
uword unformat_ethernet_type_host_byte_order(unformat_input_t *input, va_list *args)
Definition: format.c:249
struct _vnet_hw_interface_class vnet_hw_interface_class_t
u8 * format_ethernet_vlan_tci(u8 *s, va_list *va)
Definition: format.c:79
static_always_inline int ethernet_frame_is_any_tagged_x2(u16 type0, u16 type1)
Definition: ethernet.h:111
u64 uword
Definition: types.h:112
struct ethernet_interface ethernet_interface_t
u8 * ethernet_build_rewrite(vnet_main_t *vnm, u32 sw_if_index, vnet_link_t link_type, const void *dst_address)
build a rewrite string to use for sending packets of type &#39;link_type&#39; to &#39;dst_address&#39; ...
Definition: interface.c:80
ethernet_header_t ethernet
Definition: ethernet.h:140
clib_error_t * next_by_ethertype_init(next_by_ethertype_t *l3_next)
Definition: node.c:1217
u8 * format_mac_address(u8 *s, va_list *args)
Definition: format.c:58
static ethernet_main_t * vnet_get_ethernet_main(void)
Definition: ethernet.h:564
#define vnet_buffer(b)
Definition: buffer.h:344
qinq_table_t * qinq_pool
Definition: ethernet.h:305
u8 data[0]
Packet data.
Definition: buffer.h:175
static vlib_node_t * vlib_get_node(vlib_main_t *vm, u32 i)
Get vlib node by index.
Definition: node_funcs.h:59
next_by_ethertype_t l3_next
Definition: ethernet.h:280
ethernet_interface_t * interfaces
Definition: ethernet.h:290
vl_api_mac_address_t mac
Definition: gbp.api:31
Definition: pg.h:310
const u8 * ethernet_ip4_mcast_dst_addr(void)
Definition: interface.c:56
static void ethernet_setup_node(vlib_main_t *vm, u32 node_index)
Definition: ethernet.h:383
uword unformat_ethernet_header(unformat_input_t *input, va_list *args)
Definition: format.c:290
u16 * input_next_by_type
Definition: ethernet.h:266
u32 ethernet_set_flags(vnet_main_t *vnm, u32 hw_if_index, u32 flags)
Definition: interface.c:371
ethernet_type_info_t * type_infos
Definition: ethernet.h:292