FD.io VPP  v18.01.2-1-g9b554f3
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 
72 {
73 #if __SSE4_2__
74  const __m128i ethertype_mask = _mm_set_epi16 (ETHERNET_TYPE_VLAN,
75  ETHERNET_TYPE_DOT1AD,
76  ETHERNET_TYPE_VLAN_9100,
77  ETHERNET_TYPE_VLAN_9200,
78  /* duplicate last one to
79  fill register */
80  ETHERNET_TYPE_VLAN_9200,
81  ETHERNET_TYPE_VLAN_9200,
82  ETHERNET_TYPE_VLAN_9200,
83  ETHERNET_TYPE_VLAN_9200);
84 
85  __m128i r = _mm_set1_epi16 (type);
86  r = _mm_cmpeq_epi16 (ethertype_mask, r);
87  return !_mm_test_all_zeros (r, r);
88 #else
89  if ((type == ETHERNET_TYPE_VLAN) ||
90  (type == ETHERNET_TYPE_DOT1AD) ||
91  (type == ETHERNET_TYPE_VLAN_9100) || (type == ETHERNET_TYPE_VLAN_9200))
92  return 1;
93 #endif
94  return 0;
95 }
96 
97 /* Max. sized ethernet/vlan header for parsing. */
98 typedef struct
99 {
101 
102  /* Allow up to 2 stacked vlan headers. */
105 
106 struct vnet_hw_interface_t;
107 /* Ethernet flag change callback. */
110 
111 #define ETHERNET_MIN_PACKET_BYTES 64
112 #define ETHERNET_MAX_PACKET_BYTES 9216
113 
114 /* Ethernet interface instance. */
115 typedef struct ethernet_interface
116 {
117 
118  /* Accept all packets (promiscuous mode). */
119 #define ETHERNET_INTERFACE_FLAG_ACCEPT_ALL (1 << 0)
120 #define ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC(flags) \
121  (((flags) & ~ETHERNET_INTERFACE_FLAG_ACCEPT_ALL) == 0)
122 
123  /* Change MTU on interface from hw interface structure */
124 #define ETHERNET_INTERFACE_FLAG_MTU (1 << 1)
125 #define ETHERNET_INTERFACE_FLAG_CONFIG_MTU(flags) \
126  ((flags) & ETHERNET_INTERFACE_FLAG_MTU)
127 
128  /* Callback, e.g. to turn on/off promiscuous mode */
130 
132 
133  /* Ethernet (MAC) address for this interface. */
136 
138 
139 typedef struct
140 {
141  /* Name (a c string). */
142  char *name;
143 
144  /* Ethernet type in host byte order. */
146 
147  /* Node which handles this type. */
149 
150  /* Next index for this type. */
153 
154 typedef enum
155 {
156 #define ethernet_error(n,c,s) ETHERNET_ERROR_##n,
157 #include <vnet/ethernet/error.def>
158 #undef ethernet_error
161 
162 
163 // Structs used when parsing packet to find sw_if_index
164 
165 typedef struct
166 {
169  // config entry is-valid flag
170  // exact match flags (valid if packet has 0/1/2/3 tags)
171  // L2 vs L3 forwarding mode
172 #define SUBINT_CONFIG_MATCH_0_TAG (1<<0)
173 #define SUBINT_CONFIG_MATCH_1_TAG (1<<1)
174 #define SUBINT_CONFIG_MATCH_2_TAG (1<<2)
175 #define SUBINT_CONFIG_MATCH_3_TAG (1<<3)
176 #define SUBINT_CONFIG_VALID (1<<4)
177 #define SUBINT_CONFIG_L2 (1<<5)
178 #define SUBINT_CONFIG_P2P (1<<6)
179 
181 
184 {
185  return SUBINT_CONFIG_VALID | (1 << num_tags);
186 }
187 
188 
189 typedef struct
190 {
193  u16 dot1q_vlans; // pool id for vlan table
194  u16 dot1ad_vlans; // pool id for vlan table
195 } main_intf_t;
196 
197 typedef struct
198 {
201  u32 qinqs; // pool id for qinq table
202 } vlan_intf_t;
203 
204 typedef struct
205 {
207 } vlan_table_t;
208 
209 typedef struct
210 {
212 } qinq_intf_t;
213 
214 typedef struct
215 {
217 } qinq_table_t;
218 
219 // Structure mapping to a next index based on ethertype.
220 // Common ethertypes are stored explicitly, others are
221 // stored in a sparse table.
222 typedef struct
223 {
224  /* Sparse vector mapping ethernet type in network byte order
225  to next index. */
228 
229  /* cached next indexes for common ethertypes */
234 
235 typedef struct
236 {
238 
239  /* next node index for the L3 input node of each ethertype */
241 
242  /* next node index for L2 interfaces */
244 
245  /* flag and next node index for L3 redirect */
248 
249  /* Pool of ethernet interface instances. */
251 
253 
254  /* Hash tables mapping name/type to type info index. */
255  uword *type_info_by_name, *type_info_by_type;
256 
257  // The root of the vlan parsing tables. A vector with one element
258  // for each main interface, indexed by hw_if_index.
260 
261  // Pool of vlan tables
263 
264  // Pool of qinq tables;
266 
267  /* Set to one to use AB.CD.EF instead of A:B:C:D:E:F as ethernet format. */
269 
270  /* debug: make sure we don't wipe out an ethernet registration by mistake */
272 
273  /* Feature arc index */
275 
276  /* Allocated loopback instances */
279 
281 
284 {
285  uword *p = hash_get (em->type_info_by_type, type);
286  return p ? vec_elt_at_index (em->type_infos, p[0]) : 0;
287 }
288 
290  u32 hw_if_index);
291 
293  u32 dev_class_index,
294  u32 dev_instance,
295  u8 * address,
296  u32 * hw_if_index_return,
298  flag_change);
299 
300 void ethernet_delete_interface (vnet_main_t * vnm, u32 hw_if_index);
301 
302 /* Register given node index to take input for given ethernet type. */
303 void
305  ethernet_type_t type, u32 node_index);
306 
307 /* Register given node index to take input for packet from L2 interfaces. */
308 void ethernet_register_l2_input (vlib_main_t * vm, u32 node_index);
309 
310 /* Register given node index to take redirected L3 traffic, and enable L3 redirect */
311 void ethernet_register_l3_redirect (vlib_main_t * vm, u32 node_index);
312 
313 /* Formats ethernet address X:X:X:X:X:X */
314 u8 *format_ethernet_address (u8 * s, va_list * args);
315 u8 *format_ethernet_type (u8 * s, va_list * args);
316 u8 *format_ethernet_vlan_tci (u8 * s, va_list * va);
317 u8 *format_ethernet_header (u8 * s, va_list * args);
318 u8 *format_ethernet_header_with_length (u8 * s, va_list * args);
319 
320 /* Parse ethernet address in either X:X:X:X:X:X unix or X.X.X cisco format. */
321 uword unformat_ethernet_address (unformat_input_t * input, va_list * args);
322 
323 /* Parse ethernet type as 0xXXXX or type name from ethernet/types.def.
324  In either host or network byte order. */
325 uword
327  va_list * args);
328 uword
330  va_list * args);
331 
332 /* Parse ethernet header. */
333 uword unformat_ethernet_header (unformat_input_t * input, va_list * args);
334 
335 /* Parse ethernet interface name; return hw_if_index. */
336 uword unformat_ethernet_interface (unformat_input_t * input, va_list * args);
337 
338 uword unformat_pg_ethernet_header (unformat_input_t * input, va_list * args);
339 
340 always_inline void
342 {
343  vlib_node_t *n = vlib_get_node (vm, node_index);
344  pg_node_t *pn = pg_get_node (node_index);
345 
349 }
350 
353 {
354  return (void *) (b->data + vnet_buffer (b)->l2_hdr_offset);
355 }
356 
357 /** Returns the number of VLAN headers in the current Ethernet frame in the
358  * buffer. Returns 0, 1, 2 for the known header count. The value 3 indicates
359  * the number of headers is not known.
360  */
361 #define ethernet_buffer_get_vlan_count(b) ( \
362  ((b)->flags & VNET_BUFFER_FLAGS_VLAN_BITS) >> VNET_BUFFER_F_LOG2_VLAN_1_DEEP \
363 )
364 
365 /** Sets the number of VLAN headers in the current Ethernet frame in the
366  * buffer. Values 0, 1, 2 indicate the header count. The value 3 indicates
367  * the number of headers is not known.
368  */
369 #define ethernet_buffer_set_vlan_count(b, v) ( \
370  (b)->flags = ((b)->flags & ~VNET_BUFFER_FLAGS_VLAN_BITS) | \
371  (((v) << VNET_BUFFER_F_LOG2_VLAN_1_DEEP) & VNET_BUFFER_FLAGS_VLAN_BITS) \
372 )
373 
374 /** Adjusts the vlan count by the delta in 'v' */
375 #define ethernet_buffer_adjust_vlan_count(b, v) ( \
376  ethernet_buffer_set_vlan_count(b, \
377  (word)ethernet_buffer_get_vlan_count(b) + (word)(v)) \
378 )
379 
380 /** Adjusts the vlan count by the header size byte delta in 'v' */
381 #define ethernet_buffer_adjust_vlan_count_by_bytes(b, v) ( \
382  (b)->flags = ((b)->flags & ~VNET_BUFFER_FLAGS_VLAN_BITS) | (( \
383  ((b)->flags & VNET_BUFFER_FLAGS_VLAN_BITS) + \
384  ((v) << (VNET_BUFFER_F_LOG2_VLAN_1_DEEP - 2)) \
385  ) & VNET_BUFFER_FLAGS_VLAN_BITS) \
386 )
387 
388 /**
389  * Determine the size of the Ethernet headers of the current frame in
390  * the buffer. This uses the VLAN depth flags that are set by
391  * ethernet-input. Because these flags are stored in the vlib_buffer_t
392  * "flags" field this count is valid regardless of the node so long as it's
393  * checked downstream of ethernet-input; That is, the value is not stored in
394  * the opaque space.
395  */
396 #define ethernet_buffer_header_size(b) ( \
397  ethernet_buffer_get_vlan_count((b)) * sizeof(ethernet_vlan_header_t) + \
398  sizeof(ethernet_header_t) \
399 )
400 
402 u32 ethernet_set_flags (vnet_main_t * vnm, u32 hw_if_index, u32 flags);
403 void ethernet_sw_interface_set_l2_mode (vnet_main_t * vnm, u32 sw_if_index,
404  u32 l2);
406  u32 sw_if_index, u32 l2);
408  u32 enable);
409 
410 int
412  u32 sw_if_index, void *a_arg,
413  int is_static, int is_no_fib_entry);
414 
415 int
417  u32 sw_if_index, void *a_arg);
418 
419 int vnet_proxy_arp_fib_reset (u32 fib_id);
420 
423  u32 ethertype, u32 next_index);
424 
425 int vnet_create_loopback_interface (u32 * sw_if_indexp, u8 * mac_address,
426  u8 is_specified, u32 user_instance);
427 int vnet_delete_loopback_interface (u32 sw_if_index);
428 int vnet_delete_sub_interface (u32 sw_if_index);
429 
430 // Perform ethernet subinterface classification table lookups given
431 // the ports's sw_if_index and fields extracted from the ethernet header.
432 // The resulting tables are used by identify_subint().
433 always_inline void
435  vnet_main_t * vnm,
436  u32 port_sw_if_index0,
437  u16 first_ethertype,
438  u16 outer_id,
439  u16 inner_id,
440  vnet_hw_interface_t ** hi,
441  main_intf_t ** main_intf,
442  vlan_intf_t ** vlan_intf, qinq_intf_t ** qinq_intf)
443 {
444  vlan_table_t *vlan_table;
445  qinq_table_t *qinq_table;
446  u32 vlan_table_id;
447 
448  // Read the main, vlan, and qinq interface table entries
449  // TODO: Consider if/how to prefetch tables. Also consider
450  // single-entry cache to skip table lookups and identify_subint()
451  // processing.
452  *hi = vnet_get_sup_hw_interface (vnm, port_sw_if_index0);
453  *main_intf = vec_elt_at_index (em->main_intfs, (*hi)->hw_if_index);
454 
455  // Always read the vlan and qinq tables, even if there are not that
456  // many tags on the packet. This makes the lookups and comparisons
457  // easier (and less branchy).
458  vlan_table_id = (first_ethertype == ETHERNET_TYPE_DOT1AD) ?
459  (*main_intf)->dot1ad_vlans : (*main_intf)->dot1q_vlans;
460  vlan_table = vec_elt_at_index (em->vlan_pool, vlan_table_id);
461  *vlan_intf = &vlan_table->vlans[outer_id];
462 
463  qinq_table = vec_elt_at_index (em->qinq_pool, (*vlan_intf)->qinqs);
464  *qinq_intf = &qinq_table->vlans[inner_id];
465 }
466 
467 
468 // Determine the subinterface for this packet, given the result of the
469 // vlan table lookups and vlan header parsing. Check the most specific
470 // matches first.
471 // Returns 1 if a matching subinterface was found, otherwise returns 0.
474  vlib_buffer_t * b0,
475  u32 match_flags,
476  main_intf_t * main_intf,
477  vlan_intf_t * vlan_intf,
478  qinq_intf_t * qinq_intf,
479  u32 * new_sw_if_index, u8 * error0, u32 * is_l2)
480 {
481  subint_config_t *subint;
482 
483  // Each comparison is checking both the valid flag and the number of tags
484  // (incorporating exact-match/non-exact-match).
485 
486  // check for specific double tag
487  subint = &qinq_intf->subint;
488  if ((subint->flags & match_flags) == match_flags)
489  goto matched;
490 
491  // check for specific outer and 'any' inner
492  subint = &vlan_intf->inner_any_subint;
493  if ((subint->flags & match_flags) == match_flags)
494  goto matched;
495 
496  // check for specific single tag
497  subint = &vlan_intf->single_tag_subint;
498  if ((subint->flags & match_flags) == match_flags)
499  goto matched;
500 
501  // check for untagged interface
502  subint = &main_intf->untagged_subint;
503  if ((subint->flags & match_flags) == match_flags)
504  goto matched;
505 
506  // check for default interface
507  subint = &main_intf->default_subint;
508  if ((subint->flags & match_flags) == match_flags)
509  goto matched;
510 
511  // No matching subinterface
512  *new_sw_if_index = ~0;
513  *error0 = ETHERNET_ERROR_UNKNOWN_VLAN;
514  *is_l2 = 0;
515  return 0;
516 
517 matched:
518  *new_sw_if_index = subint->sw_if_index;
519  *is_l2 = subint->flags & SUBINT_CONFIG_L2;
520  return 1;
521 }
522 
523 // Compare two ethernet macs. Return 1 if they are the same, 0 if different
525 eth_mac_equal (u8 * mac1, u8 * mac2)
526 {
527  return (*((u32 *) (mac1 + 0)) == *((u32 *) (mac2 + 0)) &&
528  *((u32 *) (mac1 + 2)) == *((u32 *) (mac2 + 2)));
529 }
530 
531 
534 {
535  return &ethernet_main;
536 }
537 
539  void *address_arg,
540  uword node_index,
541  uword type_opaque, uword data);
542 
543 
545  void *data_callback,
546  u32 pid,
547  void *address_arg,
548  uword node_index,
549  uword type_opaque,
550  uword data, int is_add);
551 
552 void wc_arp_set_publisher_node (uword inode_index, uword event_type);
553 
554 void ethernet_arp_change_mac (u32 sw_if_index);
555 void ethernet_ndp_change_mac (u32 sw_if_index);
556 
557 void arp_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai);
558 
559 void ethernet_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai);
561  u32 sw_if_index,
562  vnet_link_t link_type, const void *dst_address);
563 const u8 *ethernet_ip4_mcast_dst_addr (void);
564 const u8 *ethernet_ip6_mcast_dst_addr (void);
565 
567 
568 typedef struct
569 {
572  u8 mac[6];
574 
575 #endif /* included_ethernet_h */
576 
577 /*
578  * fd.io coding-style-patch-verification: ON
579  *
580  * Local Variables:
581  * eval: (c-set-style "gnu")
582  * End:
583  */
subint_config_t subint
Definition: ethernet.h:211
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:1461
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:322
vlib_main_t * vlib_main
Definition: ethernet.h:237
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:717
main_intf_t * main_intfs
Definition: ethernet.h:259
subint_config_t inner_any_subint
Definition: ethernet.h:200
vlib_node_registration_t ethernet_input_node
(constructor) VLIB_REGISTER_NODE (ethernet_input_node)
Definition: node.c:1170
void ethernet_register_l3_redirect(vlib_main_t *vm, u32 node_index)
Definition: node.c:1407
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: 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:192
#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:1076
u8 output_feature_arc_index
Definition: ethernet.h:274
unsigned long u64
Definition: types.h:89
int format_ethernet_address_16bit
Definition: ethernet.h:268
ethernet_flag_change_function_t * flag_change
Definition: ethernet.h:129
const u8 * ethernet_ip6_mcast_dst_addr(void)
Definition: interface.c:65
ethernet_error_t
Definition: ethernet.h:154
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:193
#define hash_get(h, key)
Definition: hash.h:248
u16 dot1q_vlans
Definition: ethernet.h:193
static ethernet_header_t * ethernet_buffer_get_header(vlib_buffer_t *b)
Definition: ethernet.h:352
void wc_arp_set_publisher_node(uword inode_index, uword event_type)
Definition: arp.c:1560
subint_config_t single_tag_subint
Definition: ethernet.h:199
u32 * sparse_index_by_input_next_index
Definition: ethernet.h:227
static ethernet_type_info_t * ethernet_get_type_info(ethernet_main_t *em, ethernet_type_t type)
Definition: ethernet.h:283
struct _unformat_input_t unformat_input_t
format_function_t * format_buffer
Definition: node.h:311
u16 dot1ad_vlans
Definition: ethernet.h:194
void arp_update_adjacency(vnet_main_t *vnm, u32 sw_if_index, u32 ai)
Definition: arp.c:443
vnet_hw_interface_class_t ethernet_hw_interface_class
u8 next_by_ethertype_register_called
Definition: ethernet.h:271
subint_config_t untagged_subint
Definition: ethernet.h:191
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:558
u8 * format_ethernet_header_with_length(u8 *s, va_list *args)
Definition: format.c:91
#define SUBINT_CONFIG_VALID
Definition: ethernet.h:176
clib_error_t * next_by_ethertype_register(next_by_ethertype_t *l3_next, u32 ethertype, u32 next_index)
Definition: node.c:1280
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:686
qinq_intf_t vlans[ETHERNET_N_VLAN]
Definition: ethernet.h:216
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:737
int vnet_delete_loopback_interface(u32 sw_if_index)
Definition: interface.c:710
static u32 eth_create_valid_subint_match_flags(u32 num_tags)
Definition: ethernet.h:183
void ethernet_register_l2_input(vlib_main_t *vm, u32 node_index)
Definition: node.c:1386
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:1931
unformat_function_t * unformat_buffer
Definition: node.h:312
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:434
static int ethernet_mac_address_is_multicast_u64(u64 a)
Definition: ethernet.h:59
#define SUBINT_CONFIG_L2
Definition: ethernet.h:177
uword unformat_ethernet_address(unformat_input_t *input, va_list *args)
Definition: format.c:227
vlan_table_t * vlan_pool
Definition: ethernet.h:262
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:473
u8 * format_ethernet_header(u8 *s, va_list *args)
Definition: format.c:172
u32 redirect_l3_next
Definition: ethernet.h:247
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:145
u32( ethernet_flag_change_function_t)(vnet_main_t *vnm, struct vnet_hw_interface_t *hi, u32 flags)
Definition: ethernet.h:109
static_always_inline int ethernet_frame_is_tagged(u16 type)
Definition: ethernet.h:71
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:273
vlan_intf_t vlans[ETHERNET_N_VLAN]
Definition: ethernet.h:206
uword * bm_loopback_instances
Definition: ethernet.h:277
void ethernet_arp_change_mac(u32 sw_if_index)
Definition: arp.c:2479
void ethernet_register_input_type(vlib_main_t *vm, ethernet_type_t type, u32 node_index)
Definition: node.c:1355
uword unformat_ethernet_interface(unformat_input_t *input, va_list *args)
Definition: interface.c:252
u64 uword
Definition: types.h:112
unsigned short u16
Definition: types.h:57
uword * type_info_by_type
Definition: ethernet.h:255
ethernet_interface_t * ethernet_get_interface(ethernet_main_t *em, u32 hw_if_index)
Definition: interface.c:700
void ethernet_sw_interface_set_l2_mode(vnet_main_t *vnm, u32 sw_if_index, u32 l2)
Definition: node.c:1027
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:100
clib_error_t * next_by_ethertype_init(next_by_ethertype_t *l3_next)
Definition: node.c:1250
static ethernet_main_t * vnet_get_ethernet_main(void)
Definition: ethernet.h:533
#define vnet_buffer(b)
Definition: buffer.h:326
int vnet_proxy_arp_fib_reset(u32 fib_id)
Definition: arp.c:1991
static u32 eth_mac_equal(u8 *mac1, u8 *mac2)
Definition: ethernet.h:525
qinq_table_t * qinq_pool
Definition: ethernet.h:265
u8 data[0]
Packet data.
Definition: buffer.h:159
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:240
u32 flags
Definition: vhost-user.h:77
ethernet_interface_t * interfaces
Definition: ethernet.h:250
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:341
uword unformat_ethernet_header(unformat_input_t *input, va_list *args)
Definition: format.c:277
u16 * input_next_by_type
Definition: ethernet.h:226
u32 ethernet_set_flags(vnet_main_t *vnm, u32 hw_if_index, u32 flags)
Definition: interface.c:366
ethernet_type_info_t * type_infos
Definition: ethernet.h:252