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:
7 * http://www.apache.org/licenses/LICENSE-2.0
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.
16 * interface.h: VNET interfaces/sub-interfaces
18 * Copyright (c) 2008 Eliot Dresselhaus
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:
28 * The above copyright notice and this permission notice shall be
29 * included in all copies or substantial portions of the Software.
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.
40 #ifndef included_vnet_interface_h
41 #define included_vnet_interface_h
43 #include <vnet/unix/pcap.h>
44 #include <vnet/l3_types.h>
47 struct vnet_hw_interface_t;
48 struct vnet_sw_interface_t;
49 struct ip46_address_t;
53 VNET_HW_INTERFACE_RX_MODE_UNKNOWN,
54 VNET_HW_INTERFACE_RX_MODE_POLLING,
55 VNET_HW_INTERFACE_RX_MODE_INTERRUPT,
56 VNET_HW_INTERFACE_RX_MODE_ADAPTIVE,
57 VNET_HW_INTERFACE_RX_MODE_DEFAULT,
58 VNET_HW_INTERFACE_NUM_RX_MODES,
59 } vnet_hw_interface_rx_mode;
61 /* Interface up/down callback. */
62 typedef clib_error_t *(vnet_interface_function_t)
63 (struct vnet_main_t * vnm, u32 if_index, u32 flags);
65 /* Sub-interface add/del callback. */
66 typedef clib_error_t *(vnet_subif_add_del_function_t)
67 (struct vnet_main_t * vnm, u32 if_index,
68 struct vnet_sw_interface_t * template, int is_add);
70 /* Interface set mac address callback. */
71 typedef clib_error_t *(vnet_interface_set_mac_address_function_t)
72 (struct vnet_hw_interface_t * hi, char *address);
74 /* Interface set rx mode callback. */
75 typedef clib_error_t *(vnet_interface_set_rx_mode_function_t)
76 (struct vnet_main_t * vnm, u32 if_index, u32 queue_id,
77 vnet_hw_interface_rx_mode mode);
79 /* Interface set l2 mode callback. */
80 typedef clib_error_t *(vnet_interface_set_l2_mode_function_t)
81 (struct vnet_main_t * vnm, struct vnet_hw_interface_t * hi,
86 VNET_FLOW_DEV_OP_ADD_FLOW,
87 VNET_FLOW_DEV_OP_DEL_FLOW,
88 VNET_FLOW_DEV_OP_GET_COUNTER,
89 VNET_FLOW_DEV_OP_RESET_COUNTER,
92 /* Interface flow opeations callback. */
93 typedef int (vnet_flow_dev_ops_function_t) (struct vnet_main_t * vnm,
94 vnet_flow_dev_op_t op,
95 u32 hw_if_index, u32 index,
96 uword * private_data);
98 typedef enum vnet_interface_function_priority_t_
100 VNET_ITF_FUNC_PRIORITY_LOW,
101 VNET_ITF_FUNC_PRIORITY_HIGH,
102 } vnet_interface_function_priority_t;
103 #define VNET_ITF_FUNC_N_PRIO ((vnet_interface_function_priority_t)VNET_ITF_FUNC_PRIORITY_HIGH+1)
105 typedef struct _vnet_interface_function_list_elt
107 struct _vnet_interface_function_list_elt *next_interface_function;
108 clib_error_t *(*fp) (struct vnet_main_t * vnm, u32 if_index, u32 flags);
109 } _vnet_interface_function_list_elt_t;
111 #define _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,p) \
113 static void __vnet_interface_function_init_##tag##_##f (void) \
114 __attribute__((__constructor__)) ; \
116 static void __vnet_interface_function_init_##tag##_##f (void) \
118 vnet_main_t * vnm = vnet_get_main(); \
119 static _vnet_interface_function_list_elt_t init_function; \
120 init_function.next_interface_function = vnm->tag##_functions[p]; \
121 vnm->tag##_functions[p] = &init_function; \
122 init_function.fp = (void *) &f; \
124 static void __vnet_interface_function_deinit_##tag##_##f (void) \
125 __attribute__((__destructor__)) ; \
127 static void __vnet_interface_function_deinit_##tag##_##f (void) \
129 vnet_main_t * vnm = vnet_get_main(); \
130 _vnet_interface_function_list_elt_t *next; \
131 if (vnm->tag##_functions[p]->fp == (void *) &f) \
133 vnm->tag##_functions[p] = \
134 vnm->tag##_functions[p]->next_interface_function; \
137 next = vnm->tag##_functions[p]; \
138 while (next->next_interface_function) \
140 if (next->next_interface_function->fp == (void *) &f) \
142 next->next_interface_function = \
143 next->next_interface_function->next_interface_function; \
146 next = next->next_interface_function; \
150 #define _VNET_INTERFACE_FUNCTION_DECL(f,tag) \
151 _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,VNET_ITF_FUNC_PRIORITY_LOW)
153 #define VNET_HW_INTERFACE_ADD_DEL_FUNCTION(f) \
154 _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_add_del)
155 #define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION(f) \
156 _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_link_up_down)
157 #define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION_PRIO(f,p) \
158 _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,hw_interface_link_up_down,p)
159 #define VNET_SW_INTERFACE_ADD_DEL_FUNCTION(f) \
160 _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_add_del)
161 #define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION(f) \
162 _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_admin_up_down)
163 #define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION_PRIO(f,p) \
164 _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,sw_interface_admin_up_down, p)
166 /* A class of hardware interface devices. */
167 typedef struct _vnet_device_class
169 /* Index into main vector. */
172 /* Device name (e.g. "FOOBAR 1234a"). */
175 /* Function to call when hardware interface is added/deleted. */
176 vnet_interface_function_t *interface_add_del_function;
178 /* Function to bring device administratively up/down. */
179 vnet_interface_function_t *admin_up_down_function;
181 /* Function to call when sub-interface is added/deleted */
182 vnet_subif_add_del_function_t *subif_add_del_function;
184 /* Function to call interface rx mode is changed */
185 vnet_interface_set_rx_mode_function_t *rx_mode_change_function;
187 /* Function to call interface l2 mode is changed */
188 vnet_interface_set_l2_mode_function_t *set_l2_mode_function;
190 /* Redistribute flag changes/existence of this interface class. */
193 /* Transmit function. */
194 vlib_node_function_t *tx_function;
196 /* Error strings indexed by error code for this node. */
197 char **tx_function_error_strings;
199 /* Number of error codes used by this node. */
200 u32 tx_function_n_errors;
202 /* Renumber device name [only!] support, a control-plane kludge */
203 int (*name_renumber) (struct vnet_hw_interface_t * hi,
204 u32 new_dev_instance);
206 /* Interface flow offload operations */
207 vnet_flow_dev_ops_function_t *flow_ops_function;
209 /* Format device instance as name. */
210 format_function_t *format_device_name;
212 /* Parse function for device name. */
213 unformat_function_t *unformat_device_name;
215 /* Format device verbosely for this class. */
216 format_function_t *format_device;
218 /* Trace buffer format for TX function. */
219 format_function_t *format_tx_trace;
221 /* Format flow offload entry */
222 format_function_t *format_flow;
224 /* Function to clear hardware counters for device. */
225 void (*clear_counters) (u32 dev_class_instance);
227 uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
231 /* Called when hardware class of an interface changes. */
232 void (*hw_class_change) (struct vnet_main_t * vnm,
233 u32 hw_if_index, u32 new_hw_class_index);
235 /* Called to redirect traffic from a specific interface instance */
236 void (*rx_redirect_to_node) (struct vnet_main_t * vnm,
237 u32 hw_if_index, u32 node_index);
239 /* Link-list of all device classes set up by constructors created below */
240 struct _vnet_device_class *next_class_registration;
242 /* Function to set mac address. */
243 vnet_interface_set_mac_address_function_t *mac_addr_change_function;
244 } vnet_device_class_t;
246 #define VNET_DEVICE_CLASS(x,...) \
247 __VA_ARGS__ vnet_device_class_t x; \
248 static void __vnet_add_device_class_registration_##x (void) \
249 __attribute__((__constructor__)) ; \
250 static void __vnet_add_device_class_registration_##x (void) \
252 vnet_main_t * vnm = vnet_get_main(); \
253 x.next_class_registration = vnm->device_class_registrations; \
254 vnm->device_class_registrations = &x; \
256 static void __vnet_rm_device_class_registration_##x (void) \
257 __attribute__((__destructor__)) ; \
258 static void __vnet_rm_device_class_registration_##x (void) \
260 vnet_main_t * vnm = vnet_get_main(); \
261 VLIB_REMOVE_FROM_LINKED_LIST (vnm->device_class_registrations, \
262 &x, next_class_registration); \
264 __VA_ARGS__ vnet_device_class_t x
266 #define VLIB_DEVICE_TX_FUNCTION_CLONE_TEMPLATE(arch, fn, tgt) \
268 __attribute__ ((flatten)) \
269 __attribute__ ((target (tgt))) \
271 fn ## _ ## arch ( vlib_main_t * vm, \
272 vlib_node_runtime_t * node, \
273 vlib_frame_t * frame) \
274 { return fn (vm, node, frame); }
276 #define VLIB_DEVICE_TX_FUNCTION_MULTIARCH_CLONE(fn) \
277 foreach_march_variant(VLIB_DEVICE_TX_FUNCTION_CLONE_TEMPLATE, fn)
280 #define VLIB_MULTIARCH_CLONE_AND_SELECT_FN(fn,...)
281 #define VLIB_DEVICE_TX_FUNCTION_MULTIARCH(dev, fn)
283 #define VLIB_DEVICE_TX_FUNCTION_MULTIARCH(dev, fn) \
284 VLIB_DEVICE_TX_FUNCTION_MULTIARCH_CLONE(fn) \
285 CLIB_MULTIARCH_SELECT_FN(fn, static inline) \
286 static void __attribute__((__constructor__)) \
287 __vlib_device_tx_function_multiarch_select_##dev (void) \
288 { dev.tx_function = fn ## _multiarch_select(); }
292 * Link Type: A description of the protocol of packets on the link.
293 * On an ethernet link this maps directly into the ethertype. On a GRE tunnel
294 * it maps to the GRE-proto, etc for other lnk types.
296 typedef enum vnet_link_t_
308 } __attribute__ ((packed)) vnet_link_t;
310 #define VNET_LINKS { \
311 [VNET_LINK_ETHERNET] = "ethernet", \
312 [VNET_LINK_IP4] = "ipv4", \
313 [VNET_LINK_IP6] = "ipv6", \
314 [VNET_LINK_MPLS] = "mpls", \
315 [VNET_LINK_ARP] = "arp", \
316 [VNET_LINK_NSH] = "nsh", \
319 #define FOR_EACH_VNET_LINK(_link) \
320 for (_link = VNET_LINK_IP4; \
321 _link <= VNET_LINK_NSH; \
325 * @brief Number of link types. Not part of the enum so it does not have to be included in
328 #define VNET_LINK_NUM (VNET_LINK_NSH+1)
331 * @brief Convert a link to to an Ethertype
333 extern vnet_l3_packet_type_t vnet_link_to_l3_proto (vnet_link_t link);
336 * @brief Attributes assignable to a HW interface Class.
338 typedef enum vnet_hw_interface_class_flags_t_
341 * @brief a point 2 point interface
343 VNET_HW_INTERFACE_CLASS_FLAG_P2P = (1 << 0),
344 } vnet_hw_interface_class_flags_t;
346 /* Layer-2 (e.g. Ethernet) interface class. */
347 typedef struct _vnet_hw_interface_class
349 /* Index into main vector. */
352 /* Class name (e.g. "Ethernet"). */
356 vnet_hw_interface_class_flags_t flags;
358 /* Function to call when hardware interface is added/deleted. */
359 vnet_interface_function_t *interface_add_del_function;
361 /* Function to bring interface administratively up/down. */
362 vnet_interface_function_t *admin_up_down_function;
364 /* Function to call when link state changes. */
365 vnet_interface_function_t *link_up_down_function;
367 /* Function to call when link MAC changes. */
368 vnet_interface_set_mac_address_function_t *mac_addr_change_function;
370 /* Format function to display interface name. */
371 format_function_t *format_interface_name;
373 /* Format function to display interface address. */
374 format_function_t *format_address;
376 /* Format packet header for this interface class. */
377 format_function_t *format_header;
379 /* Format device verbosely for this class. */
380 format_function_t *format_device;
382 /* Parser for hardware (e.g. ethernet) address. */
383 unformat_function_t *unformat_hw_address;
385 /* Parser for packet header for e.g. rewrite string. */
386 unformat_function_t *unformat_header;
388 /* Builds a rewrite string for the interface to the destination
389 * for the payload/link type. */
390 u8 *(*build_rewrite) (struct vnet_main_t * vnm,
392 vnet_link_t link_type, const void *dst_hw_address);
394 /* Update an adjacecny added by FIB (as opposed to via the
395 * neighbour resolution protocol). */
396 void (*update_adjacency) (struct vnet_main_t * vnm,
397 u32 sw_if_index, u32 adj_index);
399 uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
403 /* Called when hw interface class is changed and old hardware instance
404 may want to be deleted. */
405 void (*hw_class_change) (struct vnet_main_t * vnm, u32 hw_if_index,
406 u32 old_class_index, u32 new_class_index);
408 /* List of hw interface classes, built by constructors */
409 struct _vnet_hw_interface_class *next_class_registration;
411 } vnet_hw_interface_class_t;
414 * @brief Return a complete, zero-length (aka dummy) rewrite
416 extern u8 *default_build_rewrite (struct vnet_main_t *vnm,
418 vnet_link_t link_type,
419 const void *dst_hw_address);
422 * @brief Default adjacency update function
424 extern void default_update_adjacency (struct vnet_main_t *vnm,
425 u32 sw_if_index, u32 adj_index);
427 #define VNET_HW_INTERFACE_CLASS(x,...) \
428 __VA_ARGS__ vnet_hw_interface_class_t x; \
429 static void __vnet_add_hw_interface_class_registration_##x (void) \
430 __attribute__((__constructor__)) ; \
431 static void __vnet_add_hw_interface_class_registration_##x (void) \
433 vnet_main_t * vnm = vnet_get_main(); \
434 x.next_class_registration = vnm->hw_interface_class_registrations; \
435 vnm->hw_interface_class_registrations = &x; \
437 static void __vnet_rm_hw_interface_class_registration_##x (void) \
438 __attribute__((__destructor__)) ; \
439 static void __vnet_rm_hw_interface_class_registration_##x (void) \
441 vnet_main_t * vnm = vnet_get_main(); \
442 VLIB_REMOVE_FROM_LINKED_LIST (vnm->hw_interface_class_registrations,\
443 &x, next_class_registration); \
445 __VA_ARGS__ vnet_hw_interface_class_t x
447 /* Hardware-interface. This corresponds to a physical wire
448 that packets flow over. */
449 typedef struct vnet_hw_interface_t
451 /* Interface name. */
455 /* Hardware link state is up. */
456 #define VNET_HW_INTERFACE_FLAG_LINK_UP (1 << 0)
457 /* Hardware duplex state */
458 #define VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT 1
459 #define VNET_HW_INTERFACE_FLAG_HALF_DUPLEX (1 << 1)
460 #define VNET_HW_INTERFACE_FLAG_FULL_DUPLEX (1 << 2)
461 #define VNET_HW_INTERFACE_FLAG_DUPLEX_MASK \
462 (VNET_HW_INTERFACE_FLAG_HALF_DUPLEX | \
463 VNET_HW_INTERFACE_FLAG_FULL_DUPLEX)
465 /* Hardware link speed */
466 #define VNET_HW_INTERFACE_FLAG_SPEED_SHIFT 3
467 #define VNET_HW_INTERFACE_FLAG_SPEED_10M (1 << 3)
468 #define VNET_HW_INTERFACE_FLAG_SPEED_100M (1 << 4)
469 #define VNET_HW_INTERFACE_FLAG_SPEED_1G (1 << 5)
470 #define VNET_HW_INTERFACE_FLAG_SPEED_2_5G (1 << 6)
471 #define VNET_HW_INTERFACE_FLAG_SPEED_5G (1 << 7)
472 #define VNET_HW_INTERFACE_FLAG_SPEED_10G (1 << 8)
473 #define VNET_HW_INTERFACE_FLAG_SPEED_20G (1 << 9)
474 #define VNET_HW_INTERFACE_FLAG_SPEED_25G (1 << 10)
475 #define VNET_HW_INTERFACE_FLAG_SPEED_40G (1 << 11)
476 #define VNET_HW_INTERFACE_FLAG_SPEED_50G (1 << 12)
477 #define VNET_HW_INTERFACE_FLAG_SPEED_56G (1 << 13)
478 #define VNET_HW_INTERFACE_FLAG_SPEED_100G (1 << 14)
479 #define VNET_HW_INTERFACE_FLAG_SPEED_MASK \
480 (VNET_HW_INTERFACE_FLAG_SPEED_10M | \
481 VNET_HW_INTERFACE_FLAG_SPEED_100M | \
482 VNET_HW_INTERFACE_FLAG_SPEED_1G | \
483 VNET_HW_INTERFACE_FLAG_SPEED_2_5G | \
484 VNET_HW_INTERFACE_FLAG_SPEED_5G | \
485 VNET_HW_INTERFACE_FLAG_SPEED_10G | \
486 VNET_HW_INTERFACE_FLAG_SPEED_20G | \
487 VNET_HW_INTERFACE_FLAG_SPEED_25G | \
488 VNET_HW_INTERFACE_FLAG_SPEED_40G | \
489 VNET_HW_INTERFACE_FLAG_SPEED_50G | \
490 VNET_HW_INTERFACE_FLAG_SPEED_56G | \
491 VNET_HW_INTERFACE_FLAG_SPEED_100G)
494 #define VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE (1 << 16)
496 /* tx checksum offload */
497 #define VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD (1 << 17)
499 /* Hardware address as vector. Zero (e.g. zero-length vector) if no
500 address for this class (e.g. PPP). */
503 /* Interface is up as far as software is concerned. */
504 /* NAME.{output,tx} nodes for this interface. */
505 u32 output_node_index, tx_node_index;
507 /* (dev_class, dev_instance) uniquely identifies hw interface. */
511 /* (hw_class, hw_instance) uniquely identifies hw interface. */
515 /* Hardware index for this hardware interface. */
518 /* Software index for this hardware interface. */
521 /* Next index in interface-output node for this interface
522 used by node function vnet_per_buffer_interface_output() */
523 u32 output_node_next_index;
525 /* Maximum transmit rate for this interface in bits/sec. */
526 f64 max_rate_bits_per_sec;
528 /* Smallest packet size supported by this interface. */
529 u32 min_supported_packet_bytes;
531 /* Largest packet size supported by this interface. */
532 u32 max_supported_packet_bytes;
534 /* Smallest packet size for this interface. */
535 u32 min_packet_bytes;
537 /* Largest packet size for this interface. */
538 u32 max_packet_bytes;
540 /* Number of extra bytes that go on the wire.
541 Packet length on wire
542 = max (length + per_packet_overhead_bytes, min_packet_bytes). */
543 u32 per_packet_overhead_bytes;
545 /* Receive and transmit layer 3 packet size limits (MRU/MTU). */
546 u32 max_l3_packet_bytes[VLIB_N_RX_TX];
548 /* Hash table mapping sub interface id to sw_if_index. */
549 uword *sub_interface_sw_if_index_by_id;
551 /* Count of number of L2 subinterfaces */
554 /* Bonded interface info -
555 0 - not a bonded interface nor a slave
556 ~0 - slave to a bonded interface
557 others - A bonded interface with a pointer to bitmap for all slaves */
559 #define VNET_HW_INTERFACE_BOND_INFO_NONE ((uword *) 0)
560 #define VNET_HW_INTERFACE_BOND_INFO_SLAVE ((uword *) ~0)
563 u32 input_node_index;
565 /* input node cpu index by queue */
566 u32 *input_node_thread_index_by_queue;
568 /* vnet_hw_interface_rx_mode by queue */
569 u8 *rx_mode_by_queue;
570 vnet_hw_interface_rx_mode default_rx_mode;
572 /* device input device_and_queue runtime index */
573 uword *dq_runtime_index_by_queue;
575 } vnet_hw_interface_t;
577 extern vnet_device_class_t vnet_local_interface_device_class;
581 /* A hw interface. */
582 VNET_SW_INTERFACE_TYPE_HARDWARE,
584 /* A sub-interface. */
585 VNET_SW_INTERFACE_TYPE_SUB,
586 VNET_SW_INTERFACE_TYPE_P2P,
587 } vnet_sw_interface_type_t;
592 * Subinterface ID. A number 0-N to uniquely identify
593 * this subinterface under the main (parent?) interface
597 /* Classification data. Used to associate packet header with subinterface. */
610 u16 dot1ad:1; /* 0 = dot1q, 1=dot1ad */
613 u16 outer_vlan_id_any:1;
614 u16 inner_vlan_id_any:1;
618 } vnet_sub_interface_t;
623 * Subinterface ID. A number 0-N to uniquely identify
624 * this subinterface under the main interface
629 } vnet_p2p_sub_interface_t;
633 /* THe BVI interface */
634 VNET_FLOOD_CLASS_BVI,
636 VNET_FLOOD_CLASS_NORMAL,
637 VNET_FLOOD_CLASS_TUNNEL_MASTER,
638 /* Does not flood when tunnel master is in the same L2 BD */
639 VNET_FLOOD_CLASS_TUNNEL_NORMAL,
640 /* Never flood to this type */
641 VNET_FLOOD_CLASS_NO_FLOOD,
642 } vnet_flood_class_t;
644 /* Software-interface. This corresponds to a Ethernet VLAN, ATM vc, a
645 tunnel, etc. Configuration (e.g. IP address) gets attached to
646 software interface. */
649 vnet_sw_interface_type_t type:16;
652 /* Interface is "up" meaning adminstratively up.
653 Up in the sense of link state being up is maintained by hardware interface. */
654 #define VNET_SW_INTERFACE_FLAG_ADMIN_UP (1 << 0)
656 /* Interface is disabled for forwarding: punt all traffic to slow-path. */
657 #define VNET_SW_INTERFACE_FLAG_PUNT (1 << 1)
659 #define VNET_SW_INTERFACE_FLAG_PROXY_ARP (1 << 2)
661 #define VNET_SW_INTERFACE_FLAG_UNNUMBERED (1 << 3)
663 #define VNET_SW_INTERFACE_FLAG_BOND_SLAVE (1 << 4)
665 /* Interface does not appear in CLI/API */
666 #define VNET_SW_INTERFACE_FLAG_HIDDEN (1 << 5)
668 /* Interface in ERROR state */
669 #define VNET_SW_INTERFACE_FLAG_ERROR (1 << 6)
671 /* Index for this interface. */
674 /* Software interface index of super-interface;
675 equal to sw_if_index if this interface is not a
679 /* this swif is unnumbered, use addresses on unnumbered_sw_if_index... */
680 u32 unnumbered_sw_if_index;
684 /* VNET_SW_INTERFACE_TYPE_HARDWARE. */
687 /* VNET_SW_INTERFACE_TYPE_SUB. */
688 vnet_sub_interface_t sub;
690 /* VNET_SW_INTERFACE_TYPE_P2P. */
691 vnet_p2p_sub_interface_t p2p;
693 vnet_flood_class_t flood_class;
694 } vnet_sw_interface_t;
698 /* Simple counters. */
699 VNET_INTERFACE_COUNTER_DROP = 0,
700 VNET_INTERFACE_COUNTER_PUNT = 1,
701 VNET_INTERFACE_COUNTER_IP4 = 2,
702 VNET_INTERFACE_COUNTER_IP6 = 3,
703 VNET_INTERFACE_COUNTER_RX_NO_BUF = 4,
704 VNET_INTERFACE_COUNTER_RX_MISS = 5,
705 VNET_INTERFACE_COUNTER_RX_ERROR = 6,
706 VNET_INTERFACE_COUNTER_TX_ERROR = 7,
707 VNET_INTERFACE_COUNTER_MPLS = 8,
708 VNET_N_SIMPLE_INTERFACE_COUNTER = 9,
709 /* Combined counters. */
710 VNET_INTERFACE_COUNTER_RX = 0,
711 VNET_INTERFACE_COUNTER_RX_UNICAST = 1,
712 VNET_INTERFACE_COUNTER_RX_MULTICAST = 2,
713 VNET_INTERFACE_COUNTER_RX_BROADCAST = 3,
714 VNET_INTERFACE_COUNTER_TX = 4,
715 VNET_INTERFACE_COUNTER_TX_UNICAST = 5,
716 VNET_INTERFACE_COUNTER_TX_MULTICAST = 6,
717 VNET_INTERFACE_COUNTER_TX_BROADCAST = 7,
718 VNET_N_COMBINED_INTERFACE_COUNTER = 8,
719 } vnet_interface_counter_type_t;
721 #define foreach_rx_combined_interface_counter(_x) \
722 for (_x = VNET_INTERFACE_COUNTER_RX; \
723 _x <= VNET_INTERFACE_COUNTER_RX_BROADCAST; \
726 #define foreach_tx_combined_interface_counter(_x) \
727 for (_x = VNET_INTERFACE_COUNTER_TX; \
728 _x <= VNET_INTERFACE_COUNTER_TX_BROADCAST; \
733 COLLECT_SIMPLE_STATS = 0,
734 COLLECT_DETAILED_STATS = 1,
735 } vnet_interface_stats_collection_mode_e;
737 extern int collect_detailed_interface_stats_flag;
740 collect_detailed_interface_stats (void)
742 return collect_detailed_interface_stats_flag;
745 void collect_detailed_interface_stats_flag_set (void);
746 void collect_detailed_interface_stats_flag_clear (void);
751 u32 output_node_index;
753 } vnet_hw_interface_nodes_t;
757 /* Hardware interfaces. */
758 vnet_hw_interface_t *hw_interfaces;
760 /* Hash table mapping HW interface name to index. */
761 uword *hw_interface_by_name;
763 /* Vectors if hardware interface classes and device classes. */
764 vnet_hw_interface_class_t *hw_interface_classes;
765 vnet_device_class_t *device_classes;
767 /* Hash table mapping name to hw interface/device class. */
768 uword *hw_interface_class_by_name;
769 uword *device_class_by_name;
771 /* Software interfaces. */
772 vnet_sw_interface_t *sw_interfaces;
774 /* Hash table mapping sub intfc sw_if_index by sup sw_if_index and sub id */
775 uword *sw_if_index_by_sup_and_sub;
777 /* Software interface counters both simple and combined
778 packet and byte counters. */
779 volatile u32 *sw_if_counter_lock;
780 vlib_simple_counter_main_t *sw_if_counters;
781 vlib_combined_counter_main_t *combined_sw_if_counters;
783 vnet_hw_interface_nodes_t *deleted_hw_interface_nodes;
785 /* pcap drop tracing */
786 int drop_pcap_enable;
787 pcap_main_t pcap_main;
789 u32 pcap_sw_if_index;
790 u32 pcap_pkts_to_capture;
791 uword *pcap_drop_filter_hash;
793 /* feature_arc_index */
794 u8 output_feature_arc_index;
795 } vnet_interface_main_t;
798 vnet_interface_counter_lock (vnet_interface_main_t * im)
800 if (im->sw_if_counter_lock)
801 while (__sync_lock_test_and_set (im->sw_if_counter_lock, 1))
806 vnet_interface_counter_unlock (vnet_interface_main_t * im)
808 if (im->sw_if_counter_lock)
809 *im->sw_if_counter_lock = 0;
812 void vnet_pcap_drop_trace_filter_add_del (u32 error_index, int is_add);
814 int vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance);
816 #endif /* included_vnet_interface_h */
819 * fd.io coding-style-patch-verification: ON
822 * eval: (c-set-style "gnu")