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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 
48 /* ethernet-input frame flags and scalar data */
49 
50 /* all packets in frame share same sw_if_index */
51 #define ETH_INPUT_FRAME_F_SINGLE_SW_IF_IDX (1 << 0)
52 
53 /* all ip4 packets in frame have correct ip4 checksum */
54 #define ETH_INPUT_FRAME_F_IP4_CKSUM_OK (1 << 1)
55 
56 typedef struct
57 {
61 
64 {
65  return (((u64) a[0] << (u64) (5 * 8))
66  | ((u64) a[1] << (u64) (4 * 8))
67  | ((u64) a[2] << (u64) (3 * 8))
68  | ((u64) a[3] << (u64) (2 * 8))
69  | ((u64) a[4] << (u64) (1 * 8)) | ((u64) a[5] << (u64) (0 * 8)));
70 }
71 
72 always_inline void
74 {
75  i8 ii;
76 
77  for (ii = 5; ii >= 0; ii--)
78  {
79  a[ii] = u & 0xFF;
80  u = u >> 8;
81  }
82 }
83 
84 static inline int
86 {
87  return (a & (1ULL << (5 * 8))) != 0;
88 }
89 
90 static inline int
92 {
93  return ((*((u32 *) mac) == 0) && (*((u16 *) (mac + 4)) == 0));
94 }
95 
96 #ifdef CLIB_HAVE_VEC128
97 static const u16x8 tagged_ethertypes = {
98  (u16) ETHERNET_TYPE_VLAN,
99  (u16) ETHERNET_TYPE_DOT1AD,
100  (u16) ETHERNET_TYPE_VLAN_9100,
101  (u16) ETHERNET_TYPE_VLAN_9200,
102  /* duplicate last one to fill register */
103  (u16) ETHERNET_TYPE_VLAN_9200,
104  (u16) ETHERNET_TYPE_VLAN_9200,
105  (u16) ETHERNET_TYPE_VLAN_9200,
106  (u16) ETHERNET_TYPE_VLAN_9200
107 };
108 #endif
109 
112 {
113 #ifdef CLIB_HAVE_VEC128
114  return !u16x8_is_all_zero (tagged_ethertypes == u16x8_splat (type));
115 #else
116  if ((type == ETHERNET_TYPE_VLAN) ||
117  (type == ETHERNET_TYPE_DOT1AD) ||
118  (type == ETHERNET_TYPE_VLAN_9100) || (type == ETHERNET_TYPE_VLAN_9200))
119  return 1;
120 #endif
121  return 0;
122 }
123 
126 {
127 #ifdef CLIB_HAVE_VEC128
128  u16x8 r0 = (tagged_ethertypes == u16x8_splat (type0));
129  u16x8 r1 = (tagged_ethertypes == u16x8_splat (type1));
130  return !u16x8_is_all_zero (r0 | r1);
131 #else
132  return ethernet_frame_is_tagged (type0) || ethernet_frame_is_tagged (type1);
133 #endif
134 }
135 
137 ethernet_frame_is_any_tagged_x4 (u16 type0, u16 type1, u16 type2, u16 type3)
138 {
139 #ifdef CLIB_HAVE_VEC128
140  u16x8 r0 = (tagged_ethertypes == u16x8_splat (type0));
141  u16x8 r1 = (tagged_ethertypes == u16x8_splat (type1));
142  u16x8 r2 = (tagged_ethertypes == u16x8_splat (type2));
143  u16x8 r3 = (tagged_ethertypes == u16x8_splat (type3));
144  return !u16x8_is_all_zero (r0 | r1 | r2 | r3);
145 #else
146  return ethernet_frame_is_tagged (type0) || ethernet_frame_is_tagged (type1)
148 #endif
149 }
150 
151 /* Max. sized ethernet/vlan header for parsing. */
152 typedef struct
153 {
155 
156  /* Allow up to 2 stacked vlan headers. */
159 
160 struct vnet_hw_interface_t;
161 /* Ethernet flag change callback. */
164 
165 #define ETHERNET_MIN_PACKET_BYTES 64
166 #define ETHERNET_MAX_PACKET_BYTES 9216
167 
168 /* Ethernet interface instance. */
169 typedef struct ethernet_interface
170 {
172 
173  /* Accept all packets (promiscuous mode). */
174 #define ETHERNET_INTERFACE_FLAG_ACCEPT_ALL (1 << 0)
175 #define ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC(flags) \
176  (((flags) & ~ETHERNET_INTERFACE_FLAG_ACCEPT_ALL) == 0)
177 
178  /* Change MTU on interface from hw interface structure */
179 #define ETHERNET_INTERFACE_FLAG_MTU (1 << 1)
180 #define ETHERNET_INTERFACE_FLAG_CONFIG_MTU(flags) \
181  ((flags) & ETHERNET_INTERFACE_FLAG_MTU)
182 
183  /* Callback, e.g. to turn on/off promiscuous mode */
185 
187 
188  /* Ethernet (MAC) address for this interface. */
191 
193 
194 typedef struct
195 {
196  /* Name (a c string). */
197  char *name;
198 
199  /* Ethernet type in host byte order. */
201 
202  /* Node which handles this type. */
204 
205  /* Next index for this type. */
208 
209 typedef enum
210 {
211 #define ethernet_error(n,c,s) ETHERNET_ERROR_##n,
212 #include <vnet/ethernet/error.def>
213 #undef ethernet_error
216 
217 
218 // Structs used when parsing packet to find sw_if_index
219 
220 typedef struct
221 {
224  // config entry is-valid flag
225  // exact match flags (valid if packet has 0/1/2/3 tags)
226  // L2 vs L3 forwarding mode
227 #define SUBINT_CONFIG_MATCH_0_TAG (1<<0)
228 #define SUBINT_CONFIG_MATCH_1_TAG (1<<1)
229 #define SUBINT_CONFIG_MATCH_2_TAG (1<<2)
230 #define SUBINT_CONFIG_MATCH_3_TAG (1<<3)
231 #define SUBINT_CONFIG_VALID (1<<4)
232 #define SUBINT_CONFIG_L2 (1<<5)
233 #define SUBINT_CONFIG_P2P (1<<6)
234 
236 
239 {
240  return SUBINT_CONFIG_VALID | (1 << num_tags);
241 }
242 
243 
244 typedef struct
245 {
248  u16 dot1q_vlans; // pool id for vlan table
249  u16 dot1ad_vlans; // pool id for vlan table
250 } main_intf_t;
251 
252 typedef struct
253 {
256  u32 qinqs; // pool id for qinq table
257 } vlan_intf_t;
258 
259 typedef struct
260 {
262 } vlan_table_t;
263 
264 typedef struct
265 {
267 } qinq_intf_t;
268 
269 typedef struct
270 {
272 } qinq_table_t;
273 
274 // Structure mapping to a next index based on ethertype.
275 // Common ethertypes are stored explicitly, others are
276 // stored in a sparse table.
277 typedef struct
278 {
279  /* Sparse vector mapping ethernet type in network byte order
280  to next index. */
283 
284  /* cached next indexes for common ethertypes */
289 
290 typedef struct
291 {
293 
294  /* next node index for the L3 input node of each ethertype */
296 
297  /* next node index for L2 interfaces */
299 
300  /* flag and next node index for L3 redirect */
303 
304  /* Pool of ethernet interface instances. */
306 
308 
309  /* Hash tables mapping name/type to type info index. */
310  uword *type_info_by_name, *type_info_by_type;
311 
312  // The root of the vlan parsing tables. A vector with one element
313  // for each main interface, indexed by hw_if_index.
315 
316  // Pool of vlan tables
318 
319  // Pool of qinq tables;
321 
322  /* Set to one to use AB.CD.EF instead of A:B:C:D:E:F as ethernet format. */
324 
325  /* debug: make sure we don't wipe out an ethernet registration by mistake */
327 
328  /* Feature arc index */
330 
331  /* Allocated loopback instances */
334 
336 
339 {
340  uword *p = hash_get (em->type_info_by_type, type);
341  return p ? vec_elt_at_index (em->type_infos, p[0]) : 0;
342 }
343 
345  u32 hw_if_index);
346 
348  u32 dev_class_index,
349  u32 dev_instance,
350  u8 * address,
351  u32 * hw_if_index_return,
353  flag_change);
354 
355 void ethernet_delete_interface (vnet_main_t * vnm, u32 hw_if_index);
356 
357 /* Register given node index to take input for given ethernet type. */
358 void
360  ethernet_type_t type, u32 node_index);
361 
362 /* Register given node index to take input for packet from L2 interfaces. */
363 void ethernet_register_l2_input (vlib_main_t * vm, u32 node_index);
364 
365 /* Register given node index to take redirected L3 traffic, and enable L3 redirect */
366 void ethernet_register_l3_redirect (vlib_main_t * vm, u32 node_index);
367 
368 /* Formats ethernet address X:X:X:X:X:X */
369 u8 *format_mac_address (u8 * s, va_list * args);
370 u8 *format_ethernet_address (u8 * s, va_list * args);
371 u8 *format_ethernet_type (u8 * s, va_list * args);
372 u8 *format_ethernet_vlan_tci (u8 * s, va_list * va);
373 u8 *format_ethernet_header (u8 * s, va_list * args);
374 u8 *format_ethernet_header_with_length (u8 * s, va_list * args);
375 
376 /* Parse ethernet address in either X:X:X:X:X:X unix or X.X.X cisco format. */
377 uword unformat_ethernet_address (unformat_input_t * input, va_list * args);
378 uword unformat_mac_address (unformat_input_t * input, va_list * args);
379 
380 /* Parse ethernet type as 0xXXXX or type name from ethernet/types.def.
381  In either host or network byte order. */
382 uword
384  va_list * args);
385 uword
387  va_list * args);
388 
389 /* Parse ethernet header. */
390 uword unformat_ethernet_header (unformat_input_t * input, va_list * args);
391 
392 /* Parse ethernet interface name; return hw_if_index. */
393 uword unformat_ethernet_interface (unformat_input_t * input, va_list * args);
394 
395 uword unformat_pg_ethernet_header (unformat_input_t * input, va_list * args);
396 
397 always_inline void
399 {
400  vlib_node_t *n = vlib_get_node (vm, node_index);
401  pg_node_t *pn = pg_get_node (node_index);
402 
406 }
407 
410 {
411  return (void *) (b->data + vnet_buffer (b)->l2_hdr_offset);
412 }
413 
414 /** Returns the number of VLAN headers in the current Ethernet frame in the
415  * buffer. Returns 0, 1, 2 for the known header count. The value 3 indicates
416  * the number of headers is not known.
417  */
418 #define ethernet_buffer_get_vlan_count(b) ( \
419  ((b)->flags & VNET_BUFFER_FLAGS_VLAN_BITS) >> VNET_BUFFER_F_LOG2_VLAN_1_DEEP \
420 )
421 
422 /** Sets the number of VLAN headers in the current Ethernet frame in the
423  * buffer. Values 0, 1, 2 indicate the header count. The value 3 indicates
424  * the number of headers is not known.
425  */
426 #define ethernet_buffer_set_vlan_count(b, v) ( \
427  (b)->flags = ((b)->flags & ~VNET_BUFFER_FLAGS_VLAN_BITS) | \
428  (((v) << VNET_BUFFER_F_LOG2_VLAN_1_DEEP) & VNET_BUFFER_FLAGS_VLAN_BITS) \
429 )
430 
431 /** Adjusts the vlan count by the delta in 'v' */
432 #define ethernet_buffer_adjust_vlan_count(b, v) ( \
433  ethernet_buffer_set_vlan_count(b, \
434  (word)ethernet_buffer_get_vlan_count(b) + (word)(v)) \
435 )
436 
437 /** Adjusts the vlan count by the header size byte delta in 'v' */
438 #define ethernet_buffer_adjust_vlan_count_by_bytes(b, v) ( \
439  (b)->flags = ((b)->flags & ~VNET_BUFFER_FLAGS_VLAN_BITS) | (( \
440  ((b)->flags & VNET_BUFFER_FLAGS_VLAN_BITS) + \
441  ((v) << (VNET_BUFFER_F_LOG2_VLAN_1_DEEP - 2)) \
442  ) & VNET_BUFFER_FLAGS_VLAN_BITS) \
443 )
444 
445 /**
446  * Determine the size of the Ethernet headers of the current frame in
447  * the buffer. This uses the VLAN depth flags that are set by
448  * ethernet-input. Because these flags are stored in the vlib_buffer_t
449  * "flags" field this count is valid regardless of the node so long as it's
450  * checked downstream of ethernet-input; That is, the value is not stored in
451  * the opaque space.
452  */
453 #define ethernet_buffer_header_size(b) ( \
454  ethernet_buffer_get_vlan_count((b)) * sizeof(ethernet_vlan_header_t) + \
455  sizeof(ethernet_header_t) \
456 )
457 
459 u32 ethernet_set_flags (vnet_main_t * vnm, u32 hw_if_index, u32 flags);
461  u32 l2);
463  u32 sw_if_index, u32 l2);
465  u32 enable);
466 
469  u32 ethertype, u32 next_index);
470 
471 int vnet_create_loopback_interface (u32 * sw_if_indexp, u8 * mac_address,
472  u8 is_specified, u32 user_instance);
475 
476 // Perform ethernet subinterface classification table lookups given
477 // the ports's sw_if_index and fields extracted from the ethernet header.
478 // The resulting tables are used by identify_subint().
479 always_inline void
481  vnet_main_t * vnm,
482  u32 port_sw_if_index0,
483  u16 first_ethertype,
484  u16 outer_id,
485  u16 inner_id,
486  vnet_hw_interface_t ** hi,
487  main_intf_t ** main_intf,
488  vlan_intf_t ** vlan_intf, qinq_intf_t ** qinq_intf)
489 {
490  vlan_table_t *vlan_table;
491  qinq_table_t *qinq_table;
492  u32 vlan_table_id;
493 
494  // Read the main, vlan, and qinq interface table entries
495  // TODO: Consider if/how to prefetch tables. Also consider
496  // single-entry cache to skip table lookups and identify_subint()
497  // processing.
498  *hi = vnet_get_sup_hw_interface (vnm, port_sw_if_index0);
499  *main_intf = vec_elt_at_index (em->main_intfs, (*hi)->hw_if_index);
500 
501  // Always read the vlan and qinq tables, even if there are not that
502  // many tags on the packet. This makes the lookups and comparisons
503  // easier (and less branchy).
504  vlan_table_id = (first_ethertype == ETHERNET_TYPE_DOT1AD) ?
505  (*main_intf)->dot1ad_vlans : (*main_intf)->dot1q_vlans;
506  vlan_table = vec_elt_at_index (em->vlan_pool, vlan_table_id);
507  *vlan_intf = &vlan_table->vlans[outer_id];
508 
509  qinq_table = vec_elt_at_index (em->qinq_pool, (*vlan_intf)->qinqs);
510  *qinq_intf = &qinq_table->vlans[inner_id];
511 }
512 
513 
514 // Determine the subinterface for this packet, given the result of the
515 // vlan table lookups and vlan header parsing. Check the most specific
516 // matches first.
517 // Returns 1 if a matching subinterface was found, otherwise returns 0.
520  u32 match_flags,
521  main_intf_t * main_intf,
522  vlan_intf_t * vlan_intf,
523  qinq_intf_t * qinq_intf,
524  u32 * new_sw_if_index, u8 * error0, u32 * is_l2)
525 {
526  subint_config_t *subint;
527 
528  // Each comparison is checking both the valid flag and the number of tags
529  // (incorporating exact-match/non-exact-match).
530 
531  // check for specific double tag
532  subint = &qinq_intf->subint;
533  if ((subint->flags & match_flags) == match_flags)
534  goto matched;
535 
536  // check for specific outer and 'any' inner
537  subint = &vlan_intf->inner_any_subint;
538  if ((subint->flags & match_flags) == match_flags)
539  goto matched;
540 
541  // check for specific single tag
542  subint = &vlan_intf->single_tag_subint;
543  if ((subint->flags & match_flags) == match_flags)
544  goto matched;
545 
546  // check for default interface
547  subint = &main_intf->default_subint;
548  if ((subint->flags & match_flags) == match_flags)
549  goto matched;
550 
551  // check for untagged interface
552  subint = &main_intf->untagged_subint;
553  if ((subint->flags & match_flags) == match_flags)
554  goto matched;
555 
556  // No matching subinterface
557  *new_sw_if_index = ~0;
558  *error0 = ETHERNET_ERROR_UNKNOWN_VLAN;
559  *is_l2 = 0;
560  return 0;
561 
562 matched:
563  *new_sw_if_index = subint->sw_if_index;
564  *is_l2 = subint->flags & SUBINT_CONFIG_L2;
565  return 1;
566 }
567 
568 // Compare two ethernet macs. Return 1 if they are the same, 0 if different
570 eth_mac_equal (const u8 * mac1, const u8 * mac2)
571 {
572  return (*((u32 *) (mac1 + 0)) == *((u32 *) (mac2 + 0)) &&
573  *((u32 *) (mac1 + 2)) == *((u32 *) (mac2 + 2)));
574 }
575 
576 
579 {
580  return &ethernet_main;
581 }
582 
584  void *address_arg,
585  uword node_index,
586  uword type_opaque, uword data);
587 
588 
590  void *data_callback,
591  u32 pid,
592  void *address_arg,
593  uword node_index,
594  uword type_opaque,
595  uword data, int is_add);
596 
597 void wc_arp_set_publisher_node (uword inode_index, uword event_type);
598 
601 
603 
607  vnet_link_t link_type, const void *dst_address);
608 const u8 *ethernet_ip4_mcast_dst_addr (void);
609 const u8 *ethernet_ip6_mcast_dst_addr (void);
610 
612 
613 typedef struct
614 {
617  u8 mac[6];
619 
620 #endif /* included_ethernet_h */
621 
622 /*
623  * fd.io coding-style-patch-verification: ON
624  *
625  * Local Variables:
626  * eval: (c-set-style "gnu")
627  * End:
628  */
static_always_inline int ethernet_frame_is_any_tagged_x4(u16 type0, u16 type1, u16 type2, u16 type3)
Definition: ethernet.h:137
subint_config_t subint
Definition: ethernet.h:266
vmrglw vmrglh hi
uword unformat_ethernet_type_net_byte_order(unformat_input_t *input, va_list *args)
Definition: format.c:278
u32 flags
Definition: vhost_user.h:115
#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:292
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:117
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:809
main_intf_t * main_intfs
Definition: ethernet.h:314
subint_config_t inner_any_subint
Definition: ethernet.h:255
vlib_node_registration_t ethernet_input_node
(constructor) VLIB_REGISTER_NODE (ethernet_input_node)
Definition: node.c:1871
unsigned char u8
Definition: types.h:56
void ethernet_register_l3_redirect(vlib_main_t *vm, u32 node_index)
Definition: node.c:2088
static pg_node_t * pg_get_node(uword node_index)
Definition: pg.h:357
static u32 eth_mac_equal(const u8 *mac1, const u8 *mac2)
Definition: ethernet.h:570
static u64 ethernet_mac_address_u64(const u8 *a)
Definition: ethernet.h:63
ethernet_main_t ethernet_main
Definition: init.c:45
#define static_always_inline
Definition: clib.h:99
u8 * format_ethernet_address(u8 *s, va_list *args)
Definition: format.c:44
u32 sw_if_index
Definition: vxlan_gbp.api:37
#define always_inline
Definition: clib.h:98
subint_config_t default_subint
Definition: ethernet.h:247
#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:1776
static int ethernet_mac_address_is_zero(const u8 *mac)
Definition: ethernet.h:91
u8 output_feature_arc_index
Definition: ethernet.h:329
int format_ethernet_address_16bit
Definition: ethernet.h:323
ethernet_flag_change_function_t * flag_change
Definition: ethernet.h:184
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:209
void ethernet_set_rx_redirect(vnet_main_t *vnm, vnet_hw_interface_t *hi, u32 enable)
Definition: node.c:1916
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:248
static ethernet_header_t * ethernet_buffer_get_header(vlib_buffer_t *b)
Definition: ethernet.h:409
void wc_arp_set_publisher_node(uword inode_index, uword event_type)
Definition: arp.c:1611
subint_config_t single_tag_subint
Definition: ethernet.h:254
u32 * sparse_index_by_input_next_index
Definition: ethernet.h:282
static ethernet_type_info_t * ethernet_get_type_info(ethernet_main_t *em, ethernet_type_t type)
Definition: ethernet.h:338
static void ethernet_mac_address_from_u64(u64 u, u8 *a)
Definition: ethernet.h:73
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:381
u16 dot1ad_vlans
Definition: ethernet.h:249
void arp_update_adjacency(vnet_main_t *vnm, u32 sw_if_index, u32 ai)
Definition: arp.c:447
vnet_hw_interface_class_t ethernet_hw_interface_class
u8 next_by_ethertype_register_called
Definition: ethernet.h:326
subint_config_t untagged_subint
Definition: ethernet.h:246
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:737
u8 * format_ethernet_header_with_length(u8 *s, va_list *args)
Definition: format.c:97
#define SUBINT_CONFIG_VALID
Definition: ethernet.h:231
clib_error_t * next_by_ethertype_register(next_by_ethertype_t *l3_next, u32 ethertype, u32 next_index)
Definition: node.c:1961
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:778
qinq_intf_t vlans[ETHERNET_N_VLAN]
Definition: ethernet.h:271
int vnet_delete_sub_interface(u32 sw_if_index)
Definition: interface.c:918
int vnet_delete_loopback_interface(u32 sw_if_index)
Definition: interface.c:898
static u32 eth_create_valid_subint_match_flags(u32 num_tags)
Definition: ethernet.h:238
void ethernet_register_l2_input(vlib_main_t *vm, u32 node_index)
Definition: node.c:2067
unformat_function_t * unformat_buffer
Definition: node.h:382
unformat_function_t * unformat_edit
Definition: pg.h:311
static u32 eth_identify_subint(vnet_hw_interface_t *hi, 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:519
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:480
static int ethernet_mac_address_is_multicast_u64(u64 a)
Definition: ethernet.h:85
#define SUBINT_CONFIG_L2
Definition: ethernet.h:232
uword unformat_ethernet_address(unformat_input_t *input, va_list *args)
Definition: format.c:233
vlan_table_t * vlan_pool
Definition: ethernet.h:317
void ethernet_ndp_change_mac(u32 sw_if_index)
u32() ethernet_flag_change_function_t(vnet_main_t *vnm, struct vnet_hw_interface_t *hi, u32 flags)
Definition: ethernet.h:163
u8 * format_ethernet_header(u8 *s, va_list *args)
Definition: format.c:178
u32 redirect_l3_next
Definition: ethernet.h:302
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:200
static_always_inline int ethernet_frame_is_tagged(u16 type)
Definition: ethernet.h:111
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:261
uword * bm_loopback_instances
Definition: ethernet.h:332
u8 mac_address[6]
void ethernet_arp_change_mac(u32 sw_if_index)
Definition: arp.c:2534
void ethernet_register_input_type(vlib_main_t *vm, ethernet_type_t type, u32 node_index)
Definition: node.c:2036
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:310
ethernet_interface_t * ethernet_get_interface(ethernet_main_t *em, u32 hw_if_index)
Definition: interface.c:888
void ethernet_sw_interface_set_l2_mode(vnet_main_t *vnm, u32 sw_if_index, u32 l2)
Definition: node.c:1727
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:125
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:154
clib_error_t * next_by_ethertype_init(next_by_ethertype_t *l3_next)
Definition: node.c:1931
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:578
#define vnet_buffer(b)
Definition: buffer.h:368
qinq_table_t * qinq_pool
Definition: ethernet.h:320
u8 data[0]
Packet data.
Definition: buffer.h:176
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:295
ethernet_interface_t * interfaces
Definition: ethernet.h:305
vl_api_mac_address_t mac
Definition: gbp.api:118
Definition: pg.h:308
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:398
uword unformat_ethernet_header(unformat_input_t *input, va_list *args)
Definition: format.c:290
u16 * input_next_by_type
Definition: ethernet.h:281
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:307