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Vector Packet Processing
ethernet.h
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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 static inline int
60 {
61  return (a & (1ULL << (5 * 8))) != 0;
62 }
63 
64 static inline int
66 {
67  return ((*((u32 *) mac) == 0) && (*((u16 *) (mac + 4)) == 0));
68 }
69 
70 #ifdef CLIB_HAVE_VEC128
71 static const u16x8 tagged_ethertypes = {
72  (u16) ETHERNET_TYPE_VLAN,
73  (u16) ETHERNET_TYPE_DOT1AD,
74  (u16) ETHERNET_TYPE_VLAN_9100,
75  (u16) ETHERNET_TYPE_VLAN_9200,
76  /* duplicate last one to fill register */
77  (u16) ETHERNET_TYPE_VLAN_9200,
78  (u16) ETHERNET_TYPE_VLAN_9200,
79  (u16) ETHERNET_TYPE_VLAN_9200,
80  (u16) ETHERNET_TYPE_VLAN_9200
81 };
82 #endif
83 
86 {
87 #ifdef CLIB_HAVE_VEC128
88  return !u16x8_is_all_zero (tagged_ethertypes == u16x8_splat (type));
89 #else
90  if ((type == ETHERNET_TYPE_VLAN) ||
91  (type == ETHERNET_TYPE_DOT1AD) ||
92  (type == ETHERNET_TYPE_VLAN_9100) || (type == ETHERNET_TYPE_VLAN_9200))
93  return 1;
94 #endif
95  return 0;
96 }
97 
100 {
101 #ifdef CLIB_HAVE_VEC128
102  u16x8 r0 = (tagged_ethertypes == u16x8_splat (type0));
103  u16x8 r1 = (tagged_ethertypes == u16x8_splat (type1));
104  return !u16x8_is_all_zero (r0 | r1);
105 #else
106  return ethernet_frame_is_tagged (type0) || ethernet_frame_is_tagged (type1);
107 #endif
108 }
109 
111 ethernet_frame_is_any_tagged_x4 (u16 type0, u16 type1, u16 type2, u16 type3)
112 {
113 #ifdef CLIB_HAVE_VEC128
114  u16x8 r0 = (tagged_ethertypes == u16x8_splat (type0));
115  u16x8 r1 = (tagged_ethertypes == u16x8_splat (type1));
116  u16x8 r2 = (tagged_ethertypes == u16x8_splat (type2));
117  u16x8 r3 = (tagged_ethertypes == u16x8_splat (type3));
118  return !u16x8_is_all_zero (r0 | r1 | r2 | r3);
119 #else
120  return ethernet_frame_is_tagged (type0) || ethernet_frame_is_tagged (type1)
122 #endif
123 }
124 
125 /* Max. sized ethernet/vlan header for parsing. */
126 typedef struct
127 {
129 
130  /* Allow up to 2 stacked vlan headers. */
133 
134 struct vnet_hw_interface_t;
135 /* Ethernet flag change callback. */
138 
139 #define ETHERNET_MIN_PACKET_BYTES 64
140 #define ETHERNET_MAX_PACKET_BYTES 9216
141 
142 /* Ethernet interface instance. */
143 typedef struct ethernet_interface
144 {
145 
146  /* Accept all packets (promiscuous mode). */
147 #define ETHERNET_INTERFACE_FLAG_ACCEPT_ALL (1 << 0)
148 #define ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC(flags) \
149  (((flags) & ~ETHERNET_INTERFACE_FLAG_ACCEPT_ALL) == 0)
150 
151  /* Change MTU on interface from hw interface structure */
152 #define ETHERNET_INTERFACE_FLAG_MTU (1 << 1)
153 #define ETHERNET_INTERFACE_FLAG_CONFIG_MTU(flags) \
154  ((flags) & ETHERNET_INTERFACE_FLAG_MTU)
155 
156  /* Callback, e.g. to turn on/off promiscuous mode */
158 
160 
161  /* Ethernet (MAC) address for this interface. */
164 
166 
167 typedef struct
168 {
169  /* Name (a c string). */
170  char *name;
171 
172  /* Ethernet type in host byte order. */
174 
175  /* Node which handles this type. */
177 
178  /* Next index for this type. */
181 
182 typedef enum
183 {
184 #define ethernet_error(n,c,s) ETHERNET_ERROR_##n,
185 #include <vnet/ethernet/error.def>
186 #undef ethernet_error
189 
190 
191 // Structs used when parsing packet to find sw_if_index
192 
193 typedef struct
194 {
197  // config entry is-valid flag
198  // exact match flags (valid if packet has 0/1/2/3 tags)
199  // L2 vs L3 forwarding mode
200 #define SUBINT_CONFIG_MATCH_0_TAG (1<<0)
201 #define SUBINT_CONFIG_MATCH_1_TAG (1<<1)
202 #define SUBINT_CONFIG_MATCH_2_TAG (1<<2)
203 #define SUBINT_CONFIG_MATCH_3_TAG (1<<3)
204 #define SUBINT_CONFIG_VALID (1<<4)
205 #define SUBINT_CONFIG_L2 (1<<5)
206 #define SUBINT_CONFIG_P2P (1<<6)
207 
209 
212 {
213  return SUBINT_CONFIG_VALID | (1 << num_tags);
214 }
215 
216 
217 typedef struct
218 {
221  u16 dot1q_vlans; // pool id for vlan table
222  u16 dot1ad_vlans; // pool id for vlan table
223 } main_intf_t;
224 
225 typedef struct
226 {
229  u32 qinqs; // pool id for qinq table
230 } vlan_intf_t;
231 
232 typedef struct
233 {
235 } vlan_table_t;
236 
237 typedef struct
238 {
240 } qinq_intf_t;
241 
242 typedef struct
243 {
245 } qinq_table_t;
246 
247 // Structure mapping to a next index based on ethertype.
248 // Common ethertypes are stored explicitly, others are
249 // stored in a sparse table.
250 typedef struct
251 {
252  /* Sparse vector mapping ethernet type in network byte order
253  to next index. */
256 
257  /* cached next indexes for common ethertypes */
262 
263 typedef struct
264 {
266 
267  /* next node index for the L3 input node of each ethertype */
269 
270  /* next node index for L2 interfaces */
272 
273  /* flag and next node index for L3 redirect */
276 
277  /* Pool of ethernet interface instances. */
279 
281 
282  /* Hash tables mapping name/type to type info index. */
283  uword *type_info_by_name, *type_info_by_type;
284 
285  // The root of the vlan parsing tables. A vector with one element
286  // for each main interface, indexed by hw_if_index.
288 
289  // Pool of vlan tables
291 
292  // Pool of qinq tables;
294 
295  /* Set to one to use AB.CD.EF instead of A:B:C:D:E:F as ethernet format. */
297 
298  /* debug: make sure we don't wipe out an ethernet registration by mistake */
300 
301  /* Feature arc index */
303 
304  /* Allocated loopback instances */
307 
309 
312 {
313  uword *p = hash_get (em->type_info_by_type, type);
314  return p ? vec_elt_at_index (em->type_infos, p[0]) : 0;
315 }
316 
318  u32 hw_if_index);
319 
321  u32 dev_class_index,
322  u32 dev_instance,
323  u8 * address,
324  u32 * hw_if_index_return,
326  flag_change);
327 
328 void ethernet_delete_interface (vnet_main_t * vnm, u32 hw_if_index);
329 
330 /* Register given node index to take input for given ethernet type. */
331 void
333  ethernet_type_t type, u32 node_index);
334 
335 /* Register given node index to take input for packet from L2 interfaces. */
336 void ethernet_register_l2_input (vlib_main_t * vm, u32 node_index);
337 
338 /* Register given node index to take redirected L3 traffic, and enable L3 redirect */
339 void ethernet_register_l3_redirect (vlib_main_t * vm, u32 node_index);
340 
341 /* Formats ethernet address X:X:X:X:X:X */
342 u8 *format_ethernet_address (u8 * s, va_list * args);
343 u8 *format_ethernet_type (u8 * s, va_list * args);
344 u8 *format_ethernet_vlan_tci (u8 * s, va_list * va);
345 u8 *format_ethernet_header (u8 * s, va_list * args);
346 u8 *format_ethernet_header_with_length (u8 * s, va_list * args);
347 
348 /* Parse ethernet address in either X:X:X:X:X:X unix or X.X.X cisco format. */
349 uword unformat_ethernet_address (unformat_input_t * input, va_list * args);
350 
351 /* Parse ethernet type as 0xXXXX or type name from ethernet/types.def.
352  In either host or network byte order. */
353 uword
355  va_list * args);
356 uword
358  va_list * args);
359 
360 /* Parse ethernet header. */
361 uword unformat_ethernet_header (unformat_input_t * input, va_list * args);
362 
363 /* Parse ethernet interface name; return hw_if_index. */
364 uword unformat_ethernet_interface (unformat_input_t * input, va_list * args);
365 
366 uword unformat_pg_ethernet_header (unformat_input_t * input, va_list * args);
367 
368 always_inline void
370 {
371  vlib_node_t *n = vlib_get_node (vm, node_index);
372  pg_node_t *pn = pg_get_node (node_index);
373 
377 }
378 
381 {
382  return (void *) (b->data + vnet_buffer (b)->l2_hdr_offset);
383 }
384 
385 /** Returns the number of VLAN headers in the current Ethernet frame in the
386  * buffer. Returns 0, 1, 2 for the known header count. The value 3 indicates
387  * the number of headers is not known.
388  */
389 #define ethernet_buffer_get_vlan_count(b) ( \
390  ((b)->flags & VNET_BUFFER_FLAGS_VLAN_BITS) >> VNET_BUFFER_F_LOG2_VLAN_1_DEEP \
391 )
392 
393 /** Sets the number of VLAN headers in the current Ethernet frame in the
394  * buffer. Values 0, 1, 2 indicate the header count. The value 3 indicates
395  * the number of headers is not known.
396  */
397 #define ethernet_buffer_set_vlan_count(b, v) ( \
398  (b)->flags = ((b)->flags & ~VNET_BUFFER_FLAGS_VLAN_BITS) | \
399  (((v) << VNET_BUFFER_F_LOG2_VLAN_1_DEEP) & VNET_BUFFER_FLAGS_VLAN_BITS) \
400 )
401 
402 /** Adjusts the vlan count by the delta in 'v' */
403 #define ethernet_buffer_adjust_vlan_count(b, v) ( \
404  ethernet_buffer_set_vlan_count(b, \
405  (word)ethernet_buffer_get_vlan_count(b) + (word)(v)) \
406 )
407 
408 /** Adjusts the vlan count by the header size byte delta in 'v' */
409 #define ethernet_buffer_adjust_vlan_count_by_bytes(b, v) ( \
410  (b)->flags = ((b)->flags & ~VNET_BUFFER_FLAGS_VLAN_BITS) | (( \
411  ((b)->flags & VNET_BUFFER_FLAGS_VLAN_BITS) + \
412  ((v) << (VNET_BUFFER_F_LOG2_VLAN_1_DEEP - 2)) \
413  ) & VNET_BUFFER_FLAGS_VLAN_BITS) \
414 )
415 
416 /**
417  * Determine the size of the Ethernet headers of the current frame in
418  * the buffer. This uses the VLAN depth flags that are set by
419  * ethernet-input. Because these flags are stored in the vlib_buffer_t
420  * "flags" field this count is valid regardless of the node so long as it's
421  * checked downstream of ethernet-input; That is, the value is not stored in
422  * the opaque space.
423  */
424 #define ethernet_buffer_header_size(b) ( \
425  ethernet_buffer_get_vlan_count((b)) * sizeof(ethernet_vlan_header_t) + \
426  sizeof(ethernet_header_t) \
427 )
428 
430 u32 ethernet_set_flags (vnet_main_t * vnm, u32 hw_if_index, u32 flags);
431 void ethernet_sw_interface_set_l2_mode (vnet_main_t * vnm, u32 sw_if_index,
432  u32 l2);
434  u32 sw_if_index, u32 l2);
436  u32 enable);
437 
440  u32 ethertype, u32 next_index);
441 
442 int vnet_create_loopback_interface (u32 * sw_if_indexp, u8 * mac_address,
443  u8 is_specified, u32 user_instance);
444 int vnet_delete_loopback_interface (u32 sw_if_index);
445 int vnet_delete_sub_interface (u32 sw_if_index);
446 
447 // Perform ethernet subinterface classification table lookups given
448 // the ports's sw_if_index and fields extracted from the ethernet header.
449 // The resulting tables are used by identify_subint().
450 always_inline void
452  vnet_main_t * vnm,
453  u32 port_sw_if_index0,
454  u16 first_ethertype,
455  u16 outer_id,
456  u16 inner_id,
457  vnet_hw_interface_t ** hi,
458  main_intf_t ** main_intf,
459  vlan_intf_t ** vlan_intf, qinq_intf_t ** qinq_intf)
460 {
461  vlan_table_t *vlan_table;
462  qinq_table_t *qinq_table;
463  u32 vlan_table_id;
464 
465  // Read the main, vlan, and qinq interface table entries
466  // TODO: Consider if/how to prefetch tables. Also consider
467  // single-entry cache to skip table lookups and identify_subint()
468  // processing.
469  *hi = vnet_get_sup_hw_interface (vnm, port_sw_if_index0);
470  *main_intf = vec_elt_at_index (em->main_intfs, (*hi)->hw_if_index);
471 
472  // Always read the vlan and qinq tables, even if there are not that
473  // many tags on the packet. This makes the lookups and comparisons
474  // easier (and less branchy).
475  vlan_table_id = (first_ethertype == ETHERNET_TYPE_DOT1AD) ?
476  (*main_intf)->dot1ad_vlans : (*main_intf)->dot1q_vlans;
477  vlan_table = vec_elt_at_index (em->vlan_pool, vlan_table_id);
478  *vlan_intf = &vlan_table->vlans[outer_id];
479 
480  qinq_table = vec_elt_at_index (em->qinq_pool, (*vlan_intf)->qinqs);
481  *qinq_intf = &qinq_table->vlans[inner_id];
482 }
483 
484 
485 // Determine the subinterface for this packet, given the result of the
486 // vlan table lookups and vlan header parsing. Check the most specific
487 // matches first.
488 // Returns 1 if a matching subinterface was found, otherwise returns 0.
491  vlib_buffer_t * b0,
492  u32 match_flags,
493  main_intf_t * main_intf,
494  vlan_intf_t * vlan_intf,
495  qinq_intf_t * qinq_intf,
496  u32 * new_sw_if_index, u8 * error0, u32 * is_l2)
497 {
498  subint_config_t *subint;
499 
500  // Each comparison is checking both the valid flag and the number of tags
501  // (incorporating exact-match/non-exact-match).
502 
503  // check for specific double tag
504  subint = &qinq_intf->subint;
505  if ((subint->flags & match_flags) == match_flags)
506  goto matched;
507 
508  // check for specific outer and 'any' inner
509  subint = &vlan_intf->inner_any_subint;
510  if ((subint->flags & match_flags) == match_flags)
511  goto matched;
512 
513  // check for specific single tag
514  subint = &vlan_intf->single_tag_subint;
515  if ((subint->flags & match_flags) == match_flags)
516  goto matched;
517 
518  // check for untagged interface
519  subint = &main_intf->untagged_subint;
520  if ((subint->flags & match_flags) == match_flags)
521  goto matched;
522 
523  // check for default interface
524  subint = &main_intf->default_subint;
525  if ((subint->flags & match_flags) == match_flags)
526  goto matched;
527 
528  // No matching subinterface
529  *new_sw_if_index = ~0;
530  *error0 = ETHERNET_ERROR_UNKNOWN_VLAN;
531  *is_l2 = 0;
532  return 0;
533 
534 matched:
535  *new_sw_if_index = subint->sw_if_index;
536  *is_l2 = subint->flags & SUBINT_CONFIG_L2;
537  return 1;
538 }
539 
540 // Compare two ethernet macs. Return 1 if they are the same, 0 if different
542 eth_mac_equal (u8 * mac1, u8 * mac2)
543 {
544  return (*((u32 *) (mac1 + 0)) == *((u32 *) (mac2 + 0)) &&
545  *((u32 *) (mac1 + 2)) == *((u32 *) (mac2 + 2)));
546 }
547 
548 
551 {
552  return &ethernet_main;
553 }
554 
556  void *address_arg,
557  uword node_index,
558  uword type_opaque, uword data);
559 
560 
562  void *data_callback,
563  u32 pid,
564  void *address_arg,
565  uword node_index,
566  uword type_opaque,
567  uword data, int is_add);
568 
569 void wc_arp_set_publisher_node (uword inode_index, uword event_type);
570 
571 void ethernet_arp_change_mac (u32 sw_if_index);
572 void ethernet_ndp_change_mac (u32 sw_if_index);
573 
574 void arp_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai);
575 
576 void ethernet_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai);
578  u32 sw_if_index,
579  vnet_link_t link_type, const void *dst_address);
580 const u8 *ethernet_ip4_mcast_dst_addr (void);
581 const u8 *ethernet_ip6_mcast_dst_addr (void);
582 
584 
585 typedef struct
586 {
589  u8 mac[6];
591 
592 #endif /* included_ethernet_h */
593 
594 /*
595  * fd.io coding-style-patch-verification: ON
596  *
597  * Local Variables:
598  * eval: (c-set-style "gnu")
599  * End:
600  */
static_always_inline int ethernet_frame_is_any_tagged_x4(u16 type0, u16 type1, u16 type2, u16 type3)
Definition: ethernet.h:111
subint_config_t subint
Definition: ethernet.h:239
vmrglw vmrglh hi
uword unformat_ethernet_type_net_byte_order(unformat_input_t *input, va_list *args)
Definition: format.c:265
#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:321
vlib_main_t * vlib_main
Definition: ethernet.h:265
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:798
main_intf_t * main_intfs
Definition: ethernet.h:287
subint_config_t inner_any_subint
Definition: ethernet.h:228
vlib_node_registration_t ethernet_input_node
(constructor) VLIB_REGISTER_NODE (ethernet_input_node)
Definition: node.c:1157
unsigned char u8
Definition: types.h:56
void ethernet_register_l3_redirect(vlib_main_t *vm, u32 node_index)
Definition: node.c:1394
static u64 ethernet_mac_address_u64(u8 *a)
Definition: ethernet.h:49
static pg_node_t * pg_get_node(uword node_index)
Definition: pg.h:356
ethernet_main_t ethernet_main
Definition: init.c:45
#define static_always_inline
Definition: clib.h:93
u8 * format_ethernet_address(u8 *s, va_list *args)
Definition: format.c:44
#define always_inline
Definition: clib.h:92
subint_config_t default_subint
Definition: ethernet.h:220
#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
u8 output_feature_arc_index
Definition: ethernet.h:302
int format_ethernet_address_16bit
Definition: ethernet.h:296
ethernet_flag_change_function_t * flag_change
Definition: ethernet.h:157
unsigned int u32
Definition: types.h:88
const u8 * ethernet_ip6_mcast_dst_addr(void)
Definition: interface.c:65
ethernet_error_t
Definition: ethernet.h:182
void ethernet_set_rx_redirect(vnet_main_t *vnm, vnet_hw_interface_t *hi, u32 enable)
void ethernet_update_adjacency(vnet_main_t *vnm, u32 sw_if_index, u32 ai)
Definition: interface.c:194
#define hash_get(h, key)
Definition: hash.h:249
u16 dot1q_vlans
Definition: ethernet.h:221
static ethernet_header_t * ethernet_buffer_get_header(vlib_buffer_t *b)
Definition: ethernet.h:380
void wc_arp_set_publisher_node(uword inode_index, uword event_type)
Definition: arp.c:1637
subint_config_t single_tag_subint
Definition: ethernet.h:227
u32 * sparse_index_by_input_next_index
Definition: ethernet.h:255
static ethernet_type_info_t * ethernet_get_type_info(ethernet_main_t *em, ethernet_type_t type)
Definition: ethernet.h:311
struct _unformat_input_t unformat_input_t
unsigned short u16
Definition: types.h:57
format_function_t * format_buffer
Definition: node.h:347
u16 dot1ad_vlans
Definition: ethernet.h:222
void arp_update_adjacency(vnet_main_t *vnm, u32 sw_if_index, u32 ai)
Definition: arp.c:445
vnet_hw_interface_class_t ethernet_hw_interface_class
u8 next_by_ethertype_register_called
Definition: ethernet.h:299
subint_config_t untagged_subint
Definition: ethernet.h:219
u32 flags
Definition: vhost_user.h:110
u8 * format_ethernet_type(u8 *s, va_list *args)
Definition: format.c:58
int vnet_create_loopback_interface(u32 *sw_if_indexp, u8 *mac_address, u8 is_specified, u32 user_instance)
Definition: interface.c:721
u8 * format_ethernet_header_with_length(u8 *s, va_list *args)
Definition: format.c:91
#define SUBINT_CONFIG_VALID
Definition: ethernet.h:204
clib_error_t * next_by_ethertype_register(next_by_ethertype_t *l3_next, u32 ethertype, u32 next_index)
Definition: node.c:1267
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:767
qinq_intf_t vlans[ETHERNET_N_VLAN]
Definition: ethernet.h:244
static int ethernet_mac_address_is_zero(u8 *mac)
Definition: ethernet.h:65
int vnet_delete_sub_interface(u32 sw_if_index)
Definition: interface.c:902
int vnet_delete_loopback_interface(u32 sw_if_index)
Definition: interface.c:882
static u32 eth_create_valid_subint_match_flags(u32 num_tags)
Definition: ethernet.h:211
void ethernet_register_l2_input(vlib_main_t *vm, u32 node_index)
Definition: node.c:1373
unformat_function_t * unformat_buffer
Definition: node.h:348
unformat_function_t * unformat_edit
Definition: pg.h:313
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:451
static int ethernet_mac_address_is_multicast_u64(u64 a)
Definition: ethernet.h:59
#define SUBINT_CONFIG_L2
Definition: ethernet.h:205
uword unformat_ethernet_address(unformat_input_t *input, va_list *args)
Definition: format.c:227
vlan_table_t * vlan_pool
Definition: ethernet.h:290
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:490
u8 * format_ethernet_header(u8 *s, va_list *args)
Definition: format.c:172
u32 redirect_l3_next
Definition: ethernet.h:275
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:173
u32( ethernet_flag_change_function_t)(vnet_main_t *vnm, struct vnet_hw_interface_t *hi, u32 flags)
Definition: ethernet.h:137
static_always_inline int ethernet_frame_is_tagged(u16 type)
Definition: ethernet.h:85
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:275
vlan_intf_t vlans[ETHERNET_N_VLAN]
Definition: ethernet.h:234
uword * bm_loopback_instances
Definition: ethernet.h:305
void ethernet_arp_change_mac(u32 sw_if_index)
Definition: arp.c:2548
void ethernet_register_input_type(vlib_main_t *vm, ethernet_type_t type, u32 node_index)
Definition: node.c:1342
uword unformat_ethernet_interface(unformat_input_t *input, va_list *args)
Definition: interface.c:254
struct _vlib_node_registration vlib_node_registration_t
uword * type_info_by_type
Definition: ethernet.h:283
ethernet_interface_t * ethernet_get_interface(ethernet_main_t *em, u32 hw_if_index)
Definition: interface.c:872
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:236
struct _vnet_hw_interface_class vnet_hw_interface_class_t
u8 * format_ethernet_vlan_tci(u8 *s, va_list *va)
Definition: format.c:73
static_always_inline int ethernet_frame_is_any_tagged_x2(u16 type0, u16 type1)
Definition: ethernet.h:99
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:79
ethernet_header_t ethernet
Definition: ethernet.h:128
clib_error_t * next_by_ethertype_init(next_by_ethertype_t *l3_next)
Definition: node.c:1237
static ethernet_main_t * vnet_get_ethernet_main(void)
Definition: ethernet.h:550
#define vnet_buffer(b)
Definition: buffer.h:360
static u32 eth_mac_equal(u8 *mac1, u8 *mac2)
Definition: ethernet.h:542
qinq_table_t * qinq_pool
Definition: ethernet.h:293
u8 data[0]
Packet data.
Definition: buffer.h:172
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:268
ethernet_interface_t * interfaces
Definition: ethernet.h:278
Definition: pg.h:310
const u8 * ethernet_ip4_mcast_dst_addr(void)
Definition: interface.c:55
static void ethernet_setup_node(vlib_main_t *vm, u32 node_index)
Definition: ethernet.h:369
uword unformat_ethernet_header(unformat_input_t *input, va_list *args)
Definition: format.c:277
u16 * input_next_by_type
Definition: ethernet.h:254
u32 ethernet_set_flags(vnet_main_t *vnm, u32 hw_if_index, u32 flags)
Definition: interface.c:367
ethernet_type_info_t * type_infos
Definition: ethernet.h:280