FD.io VPP  v17.07.01-10-g3be13f0
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 
66 {
67 #if __SSE4_2__
68  const __m128i ethertype_mask = _mm_set_epi16 (ETHERNET_TYPE_VLAN,
69  ETHERNET_TYPE_DOT1AD,
70  ETHERNET_TYPE_VLAN_9100,
71  ETHERNET_TYPE_VLAN_9200,
72  /* duplicate last one to
73  fill register */
74  ETHERNET_TYPE_VLAN_9200,
75  ETHERNET_TYPE_VLAN_9200,
76  ETHERNET_TYPE_VLAN_9200,
77  ETHERNET_TYPE_VLAN_9200);
78 
79  __m128i r = _mm_set1_epi16 (type);
80  r = _mm_cmpeq_epi16 (ethertype_mask, r);
81  return !_mm_test_all_zeros (r, r);
82 #else
83  if ((type == ETHERNET_TYPE_VLAN) ||
84  (type == ETHERNET_TYPE_DOT1AD) ||
85  (type == ETHERNET_TYPE_VLAN_9100) || (type == ETHERNET_TYPE_VLAN_9200))
86  return 1;
87 #endif
88  return 0;
89 }
90 
91 /* Max. sized ethernet/vlan header for parsing. */
92 typedef struct
93 {
95 
96  /* Allow up to 2 stacked vlan headers. */
99 
100 struct vnet_hw_interface_t;
101 /* Ethernet flag change callback. */
104 
105 #define ETHERNET_MIN_PACKET_BYTES 64
106 #define ETHERNET_MAX_PACKET_BYTES 9216
107 
108 /* Ethernet interface instance. */
109 typedef struct ethernet_interface
110 {
111 
112  /* Accept all packets (promiscuous mode). */
113 #define ETHERNET_INTERFACE_FLAG_ACCEPT_ALL (1 << 0)
114 #define ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC(flags) \
115  (((flags) & ~ETHERNET_INTERFACE_FLAG_ACCEPT_ALL) == 0)
116 
117  /* Change MTU on interface from hw interface structure */
118 #define ETHERNET_INTERFACE_FLAG_MTU (1 << 1)
119 #define ETHERNET_INTERFACE_FLAG_CONFIG_MTU(flags) \
120  ((flags) & ETHERNET_INTERFACE_FLAG_MTU)
121 
122  /* Callback, e.g. to turn on/off promiscuous mode */
124 
126 
127  /* Ethernet (MAC) address for this interface. */
130 
132 
133 typedef struct
134 {
135  /* Name (a c string). */
136  char *name;
137 
138  /* Ethernet type in host byte order. */
140 
141  /* Node which handles this type. */
143 
144  /* Next index for this type. */
147 
148 typedef enum
149 {
150 #define ethernet_error(n,c,s) ETHERNET_ERROR_##n,
151 #include <vnet/ethernet/error.def>
152 #undef ethernet_error
155 
156 
157 // Structs used when parsing packet to find sw_if_index
158 
159 typedef struct
160 {
163  // config entry is-valid flag
164  // exact match flags (valid if packet has 0/1/2/3 tags)
165  // L2 vs L3 forwarding mode
166 #define SUBINT_CONFIG_MATCH_0_TAG (1<<0)
167 #define SUBINT_CONFIG_MATCH_1_TAG (1<<1)
168 #define SUBINT_CONFIG_MATCH_2_TAG (1<<2)
169 #define SUBINT_CONFIG_MATCH_3_TAG (1<<3)
170 #define SUBINT_CONFIG_VALID (1<<4)
171 #define SUBINT_CONFIG_L2 (1<<5)
172 
174 
177 {
178  return SUBINT_CONFIG_VALID | (1 << num_tags);
179 }
180 
181 
182 typedef struct
183 {
186  u16 dot1q_vlans; // pool id for vlan table
187  u16 dot1ad_vlans; // pool id for vlan table
188 } main_intf_t;
189 
190 typedef struct
191 {
194  u32 qinqs; // pool id for qinq table
195 } vlan_intf_t;
196 
197 typedef struct
198 {
200 } vlan_table_t;
201 
202 typedef struct
203 {
205 } qinq_intf_t;
206 
207 typedef struct
208 {
210 } qinq_table_t;
211 
212 // Structure mapping to a next index based on ethertype.
213 // Common ethertypes are stored explicitly, others are
214 // stored in a sparse table.
215 typedef struct
216 {
217  /* Sparse vector mapping ethernet type in network byte order
218  to next index. */
221 
222  /* cached next indexes for common ethertypes */
227 
228 typedef struct
229 {
231 
232  /* next node index for the L3 input node of each ethertype */
234 
235  /* next node index for L2 interfaces */
237 
238  /* flag and next node index for L3 redirect */
241 
242  /* Pool of ethernet interface instances. */
244 
246 
247  /* Hash tables mapping name/type to type info index. */
248  uword *type_info_by_name, *type_info_by_type;
249 
250  // The root of the vlan parsing tables. A vector with one element
251  // for each main interface, indexed by hw_if_index.
253 
254  // Pool of vlan tables
256 
257  // Pool of qinq tables;
259 
260  /* Set to one to use AB.CD.EF instead of A:B:C:D:E:F as ethernet format. */
262 
263  /* debug: make sure we don't wipe out an ethernet registration by mistake */
265 
266  /* Feature arc index */
268 
269  /* Allocated loopback instances */
272 
274 
277 {
278  uword *p = hash_get (em->type_info_by_type, type);
279  return p ? vec_elt_at_index (em->type_infos, p[0]) : 0;
280 }
281 
283  u32 hw_if_index);
284 
286  u32 dev_class_index,
287  u32 dev_instance,
288  u8 * address,
289  u32 * hw_if_index_return,
291  flag_change);
292 
293 void ethernet_delete_interface (vnet_main_t * vnm, u32 hw_if_index);
294 
295 /* Register given node index to take input for given ethernet type. */
296 void
298  ethernet_type_t type, u32 node_index);
299 
300 /* Register given node index to take input for packet from L2 interfaces. */
301 void ethernet_register_l2_input (vlib_main_t * vm, u32 node_index);
302 
303 /* Register given node index to take redirected L3 traffic, and enable L3 redirect */
304 void ethernet_register_l3_redirect (vlib_main_t * vm, u32 node_index);
305 
306 /* Formats ethernet address X:X:X:X:X:X */
307 u8 *format_ethernet_address (u8 * s, va_list * args);
308 u8 *format_ethernet_type (u8 * s, va_list * args);
309 u8 *format_ethernet_vlan_tci (u8 * s, va_list * va);
310 u8 *format_ethernet_header (u8 * s, va_list * args);
311 u8 *format_ethernet_header_with_length (u8 * s, va_list * args);
312 
313 /* Parse ethernet address in either X:X:X:X:X:X unix or X.X.X cisco format. */
314 uword unformat_ethernet_address (unformat_input_t * input, va_list * args);
315 
316 /* Parse ethernet type as 0xXXXX or type name from ethernet/types.def.
317  In either host or network byte order. */
318 uword
320  va_list * args);
321 uword
323  va_list * args);
324 
325 /* Parse ethernet header. */
326 uword unformat_ethernet_header (unformat_input_t * input, va_list * args);
327 
328 /* Parse ethernet interface name; return hw_if_index. */
329 uword unformat_ethernet_interface (unformat_input_t * input, va_list * args);
330 
331 uword unformat_pg_ethernet_header (unformat_input_t * input, va_list * args);
332 
333 always_inline void
335 {
336  vlib_node_t *n = vlib_get_node (vm, node_index);
337  pg_node_t *pn = pg_get_node (node_index);
338 
342 }
343 
346 {
347  return (void *)
348  (b->data + vnet_buffer (b)->ethernet.start_of_ethernet_header);
349 }
350 
351 /** Returns the number of VLAN headers in the current Ethernet frame in the
352  * buffer. Returns 0, 1, 2 for the known header count. The value 3 indicates
353  * the number of headers is not known.
354  */
355 #define ethernet_buffer_get_vlan_count(b) ( \
356  ((b)->flags & ETH_BUFFER_VLAN_BITS) >> LOG2_ETH_BUFFER_VLAN_1_DEEP \
357 )
358 
359 /** Sets the number of VLAN headers in the current Ethernet frame in the
360  * buffer. Values 0, 1, 2 indicate the header count. The value 3 indicates
361  * the number of headers is not known.
362  */
363 #define ethernet_buffer_set_vlan_count(b, v) ( \
364  (b)->flags = ((b)->flags & ~ETH_BUFFER_VLAN_BITS) | \
365  (((v) << LOG2_ETH_BUFFER_VLAN_1_DEEP) & ETH_BUFFER_VLAN_BITS) \
366 )
367 
368 /** Adjusts the vlan count by the delta in 'v' */
369 #define ethernet_buffer_adjust_vlan_count(b, v) ( \
370  ethernet_buffer_set_vlan_count(b, \
371  (word)ethernet_buffer_get_vlan_count(b) + (word)(v)) \
372 )
373 
374 /** Adjusts the vlan count by the header size byte delta in 'v' */
375 #define ethernet_buffer_adjust_vlan_count_by_bytes(b, v) ( \
376  (b)->flags = ((b)->flags & ~ETH_BUFFER_VLAN_BITS) | (( \
377  ((b)->flags & ETH_BUFFER_VLAN_BITS) + \
378  ((v) << (LOG2_ETH_BUFFER_VLAN_1_DEEP - 2)) \
379  ) & ETH_BUFFER_VLAN_BITS) \
380 )
381 
382 /**
383  * Determine the size of the Ethernet headers of the current frame in
384  * the buffer. This uses the VLAN depth flags that are set by
385  * ethernet-input. Because these flags are stored in the vlib_buffer_t
386  * "flags" field this count is valid regardless of the node so long as it's
387  * checked downstream of ethernet-input; That is, the value is not stored in
388  * the opaque space.
389  */
390 #define ethernet_buffer_header_size(b) ( \
391  ethernet_buffer_get_vlan_count((b)) * sizeof(ethernet_vlan_header_t) + \
392  sizeof(ethernet_header_t) \
393 )
394 
396 u32 ethernet_set_flags (vnet_main_t * vnm, u32 hw_if_index, u32 flags);
397 void ethernet_sw_interface_set_l2_mode (vnet_main_t * vnm, u32 sw_if_index,
398  u32 l2);
400  u32 sw_if_index, u32 l2);
402  u32 enable);
403 
404 int
406  u32 sw_if_index, void *a_arg,
407  int is_static, int is_no_fib_entry);
408 
409 int
411  u32 sw_if_index, void *a_arg);
412 
413 int vnet_proxy_arp_fib_reset (u32 fib_id);
414 
417  u32 ethertype, u32 next_index);
418 
419 int vnet_create_loopback_interface (u32 * sw_if_indexp, u8 * mac_address,
420  u8 is_specified, u32 user_instance);
421 int vnet_delete_loopback_interface (u32 sw_if_index);
422 int vnet_delete_sub_interface (u32 sw_if_index);
423 
424 // Perform ethernet subinterface classification table lookups given
425 // the ports's sw_if_index and fields extracted from the ethernet header.
426 // The resulting tables are used by identify_subint().
427 always_inline void
429  vnet_main_t * vnm,
430  u32 port_sw_if_index0,
431  u16 first_ethertype,
432  u16 outer_id,
433  u16 inner_id,
434  vnet_hw_interface_t ** hi,
435  main_intf_t ** main_intf,
436  vlan_intf_t ** vlan_intf, qinq_intf_t ** qinq_intf)
437 {
438  vlan_table_t *vlan_table;
439  qinq_table_t *qinq_table;
440  u32 vlan_table_id;
441 
442  // Read the main, vlan, and qinq interface table entries
443  // TODO: Consider if/how to prefetch tables. Also consider
444  // single-entry cache to skip table lookups and identify_subint()
445  // processing.
446  *hi = vnet_get_sup_hw_interface (vnm, port_sw_if_index0);
447  *main_intf = vec_elt_at_index (em->main_intfs, (*hi)->hw_if_index);
448 
449  // Always read the vlan and qinq tables, even if there are not that
450  // many tags on the packet. This makes the lookups and comparisons
451  // easier (and less branchy).
452  vlan_table_id = (first_ethertype == ETHERNET_TYPE_DOT1AD) ?
453  (*main_intf)->dot1ad_vlans : (*main_intf)->dot1q_vlans;
454  vlan_table = vec_elt_at_index (em->vlan_pool, vlan_table_id);
455  *vlan_intf = &vlan_table->vlans[outer_id];
456 
457  qinq_table = vec_elt_at_index (em->qinq_pool, (*vlan_intf)->qinqs);
458  *qinq_intf = &qinq_table->vlans[inner_id];
459 }
460 
461 
462 // Determine the subinterface for this packet, given the result of the
463 // vlan table lookups and vlan header parsing. Check the most specific
464 // matches first.
465 // Returns 1 if a matching subinterface was found, otherwise returns 0.
468  vlib_buffer_t * b0,
469  u32 match_flags,
470  main_intf_t * main_intf,
471  vlan_intf_t * vlan_intf,
472  qinq_intf_t * qinq_intf,
473  u32 * new_sw_if_index, u8 * error0, u32 * is_l2)
474 {
475  subint_config_t *subint;
476 
477  // Each comparison is checking both the valid flag and the number of tags
478  // (incorporating exact-match/non-exact-match).
479 
480  // check for specific double tag
481  subint = &qinq_intf->subint;
482  if ((subint->flags & match_flags) == match_flags)
483  goto matched;
484 
485  // check for specific outer and 'any' inner
486  subint = &vlan_intf->inner_any_subint;
487  if ((subint->flags & match_flags) == match_flags)
488  goto matched;
489 
490  // check for specific single tag
491  subint = &vlan_intf->single_tag_subint;
492  if ((subint->flags & match_flags) == match_flags)
493  goto matched;
494 
495  // check for untagged interface
496  subint = &main_intf->untagged_subint;
497  if ((subint->flags & match_flags) == match_flags)
498  goto matched;
499 
500  // check for default interface
501  subint = &main_intf->default_subint;
502  if ((subint->flags & match_flags) == match_flags)
503  goto matched;
504 
505  // No matching subinterface
506  *new_sw_if_index = ~0;
507  *error0 = ETHERNET_ERROR_UNKNOWN_VLAN;
508  *is_l2 = 0;
509  return 0;
510 
511 matched:
512  *new_sw_if_index = subint->sw_if_index;
513  *is_l2 = subint->flags & SUBINT_CONFIG_L2;
514  return 1;
515 }
516 
517 // Compare two ethernet macs. Return 1 if they are the same, 0 if different
519 eth_mac_equal (u8 * mac1, u8 * mac2)
520 {
521  return (*((u32 *) (mac1 + 0)) == *((u32 *) (mac2 + 0)) &&
522  *((u32 *) (mac1 + 2)) == *((u32 *) (mac2 + 2)));
523 }
524 
525 
528 {
529  return &ethernet_main;
530 }
531 
533  void *address_arg,
534  uword node_index,
535  uword type_opaque, uword data);
536 
537 
539  void *data_callback,
540  u32 pid,
541  void *address_arg,
542  uword node_index,
543  uword type_opaque,
544  uword data, int is_add);
545 
546 void ethernet_arp_change_mac (u32 sw_if_index);
547 void ethernet_ndp_change_mac (u32 sw_if_index);
548 
549 void arp_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai);
550 
551 void ethernet_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai);
553  u32 sw_if_index,
554  vnet_link_t link_type, const void *dst_address);
555 const u8 *ethernet_ip4_mcast_dst_addr (void);
556 const u8 *ethernet_ip6_mcast_dst_addr (void);
557 
559 
560 #endif /* included_ethernet_h */
561 
562 /*
563  * fd.io coding-style-patch-verification: ON
564  *
565  * Local Variables:
566  * eval: (c-set-style "gnu")
567  * End:
568  */
subint_config_t subint
Definition: ethernet.h:204
vmrglw vmrglh hi
int vnet_arp_unset_ip4_over_ethernet(vnet_main_t *vnm, u32 sw_if_index, void *a_arg)
Control Plane hook to remove an ARP entry.
Definition: arp.c:1436
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:88
a
Definition: bitmap.h:516
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:295
vlib_main_t * vlib_main
Definition: ethernet.h:230
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
ethernet_type_t
Definition: packet.h:43
struct _vlib_node_registration vlib_node_registration_t
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:706
main_intf_t * main_intfs
Definition: ethernet.h:252
subint_config_t inner_any_subint
Definition: ethernet.h:193
vlib_node_registration_t ethernet_input_node
(constructor) VLIB_REGISTER_NODE (ethernet_input_node)
Definition: node.c:1116
void ethernet_register_l3_redirect(vlib_main_t *vm, u32 node_index)
Definition: node.c:1353
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:350
ethernet_main_t ethernet_main
Definition: ethernet.h:273
#define static_always_inline
Definition: clib.h:85
u8 * format_ethernet_address(u8 *s, va_list *args)
Definition: format.c:44
#define always_inline
Definition: clib.h:84
subint_config_t default_subint
Definition: ethernet.h:185
#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:1022
u8 output_feature_arc_index
Definition: ethernet.h:267
unsigned long u64
Definition: types.h:89
int format_ethernet_address_16bit
Definition: ethernet.h:261
ethernet_flag_change_function_t * flag_change
Definition: ethernet.h:123
const u8 * ethernet_ip6_mcast_dst_addr(void)
Definition: interface.c:65
ethernet_error_t
Definition: ethernet.h:148
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:171
#define hash_get(h, key)
Definition: hash.h:248
u16 dot1q_vlans
Definition: ethernet.h:186
static ethernet_header_t * ethernet_buffer_get_header(vlib_buffer_t *b)
Definition: ethernet.h:345
subint_config_t single_tag_subint
Definition: ethernet.h:192
u32 * sparse_index_by_input_next_index
Definition: ethernet.h:220
static ethernet_type_info_t * ethernet_get_type_info(ethernet_main_t *em, ethernet_type_t type)
Definition: ethernet.h:276
struct _unformat_input_t unformat_input_t
format_function_t * format_buffer
Definition: node.h:312
u16 dot1ad_vlans
Definition: ethernet.h:187
void arp_update_adjacency(vnet_main_t *vnm, u32 sw_if_index, u32 ai)
Definition: arp.c:439
vnet_hw_interface_class_t ethernet_hw_interface_class
u8 next_by_ethertype_register_called
Definition: ethernet.h:264
subint_config_t untagged_subint
Definition: ethernet.h:184
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:531
u8 * format_ethernet_header_with_length(u8 *s, va_list *args)
Definition: format.c:91
#define SUBINT_CONFIG_VALID
Definition: ethernet.h:170
clib_error_t * next_by_ethertype_register(next_by_ethertype_t *l3_next, u32 ethertype, u32 next_index)
Definition: node.c:1226
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:675
qinq_intf_t vlans[ETHERNET_N_VLAN]
Definition: ethernet.h:209
int vnet_delete_sub_interface(u32 sw_if_index)
Definition: interface.c:710
int vnet_delete_loopback_interface(u32 sw_if_index)
Definition: interface.c:683
static u32 eth_create_valid_subint_match_flags(u32 num_tags)
Definition: ethernet.h:176
void ethernet_register_l2_input(vlib_main_t *vm, u32 node_index)
Definition: node.c:1332
int vnet_arp_set_ip4_over_ethernet(vnet_main_t *vnm, u32 sw_if_index, void *a_arg, int is_static, int is_no_fib_entry)
Definition: arp.c:1797
unformat_function_t * unformat_buffer
Definition: node.h:313
unformat_function_t * unformat_edit
Definition: pg.h:307
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:428
static int ethernet_mac_address_is_multicast_u64(u64 a)
Definition: ethernet.h:59
#define SUBINT_CONFIG_L2
Definition: ethernet.h:171
uword unformat_ethernet_address(unformat_input_t *input, va_list *args)
Definition: format.c:227
vlan_table_t * vlan_pool
Definition: ethernet.h:255
void ethernet_ndp_change_mac(u32 sw_if_index)
unsigned int u32
Definition: types.h:88
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:467
u8 * format_ethernet_header(u8 *s, va_list *args)
Definition: format.c:172
u32 redirect_l3_next
Definition: ethernet.h:240
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:139
u32( ethernet_flag_change_function_t)(vnet_main_t *vnm, struct vnet_hw_interface_t *hi, u32 flags)
Definition: ethernet.h:103
static_always_inline int ethernet_frame_is_tagged(u16 type)
Definition: ethernet.h:65
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:246
vlan_intf_t vlans[ETHERNET_N_VLAN]
Definition: ethernet.h:199
uword * bm_loopback_instances
Definition: ethernet.h:270
void ethernet_arp_change_mac(u32 sw_if_index)
Definition: arp.c:2371
void ethernet_register_input_type(vlib_main_t *vm, ethernet_type_t type, u32 node_index)
Definition: node.c:1301
uword unformat_ethernet_interface(unformat_input_t *input, va_list *args)
Definition: interface.c:225
u64 uword
Definition: types.h:112
unsigned short u16
Definition: types.h:57
uword * type_info_by_type
Definition: ethernet.h:248
ethernet_interface_t * ethernet_get_interface(ethernet_main_t *em, u32 hw_if_index)
Definition: interface.c:673
void ethernet_sw_interface_set_l2_mode(vnet_main_t *vnm, u32 sw_if_index, u32 l2)
Definition: node.c:973
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
unsigned char u8
Definition: types.h:56
u8 * format_ethernet_vlan_tci(u8 *s, va_list *va)
Definition: format.c:73
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:94
clib_error_t * next_by_ethertype_init(next_by_ethertype_t *l3_next)
Definition: node.c:1196
static ethernet_main_t * vnet_get_ethernet_main(void)
Definition: ethernet.h:527
#define vnet_buffer(b)
Definition: buffer.h:304
int vnet_proxy_arp_fib_reset(u32 fib_id)
Definition: arp.c:1857
static u32 eth_mac_equal(u8 *mac1, u8 *mac2)
Definition: ethernet.h:519
qinq_table_t * qinq_pool
Definition: ethernet.h:258
u8 data[0]
Packet data.
Definition: buffer.h:152
static vlib_node_t * vlib_get_node(vlib_main_t *vm, u32 i)
Get vlib node by index.
Definition: node_funcs.h:58
next_by_ethertype_t l3_next
Definition: ethernet.h:233
u32 flags
Definition: vhost-user.h:76
ethernet_interface_t * interfaces
Definition: ethernet.h:243
Definition: pg.h:304
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:334
uword unformat_ethernet_header(unformat_input_t *input, va_list *args)
Definition: format.c:277
u16 * input_next_by_type
Definition: ethernet.h:219
u32 ethernet_set_flags(vnet_main_t *vnm, u32 hw_if_index, u32 flags)
Definition: interface.c:339
ethernet_type_info_t * type_infos
Definition: ethernet.h:245