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,
84 typedef enum vnet_interface_function_priority_t_
86 VNET_ITF_FUNC_PRIORITY_LOW,
87 VNET_ITF_FUNC_PRIORITY_HIGH,
88 } vnet_interface_function_priority_t;
89 #define VNET_ITF_FUNC_N_PRIO ((vnet_interface_function_priority_t)VNET_ITF_FUNC_PRIORITY_HIGH+1)
91 typedef struct _vnet_interface_function_list_elt
93 struct _vnet_interface_function_list_elt *next_interface_function;
94 clib_error_t *(*fp) (struct vnet_main_t * vnm, u32 if_index, u32 flags);
95 } _vnet_interface_function_list_elt_t;
97 #define _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,p) \
99 static void __vnet_interface_function_init_##tag##_##f (void) \
100 __attribute__((__constructor__)) ; \
102 static void __vnet_interface_function_init_##tag##_##f (void) \
104 vnet_main_t * vnm = vnet_get_main(); \
105 static _vnet_interface_function_list_elt_t init_function; \
106 init_function.next_interface_function = vnm->tag##_functions[p]; \
107 vnm->tag##_functions[p] = &init_function; \
108 init_function.fp = (void *) &f; \
110 static void __vnet_interface_function_deinit_##tag##_##f (void) \
111 __attribute__((__destructor__)) ; \
113 static void __vnet_interface_function_deinit_##tag##_##f (void) \
115 vnet_main_t * vnm = vnet_get_main(); \
116 _vnet_interface_function_list_elt_t *next; \
117 if (vnm->tag##_functions[p]->fp == (void *) &f) \
119 vnm->tag##_functions[p] = \
120 vnm->tag##_functions[p]->next_interface_function; \
123 next = vnm->tag##_functions[p]; \
124 while (next->next_interface_function) \
126 if (next->next_interface_function->fp == (void *) &f) \
128 next->next_interface_function = \
129 next->next_interface_function->next_interface_function; \
132 next = next->next_interface_function; \
136 #define _VNET_INTERFACE_FUNCTION_DECL(f,tag) \
137 _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,VNET_ITF_FUNC_PRIORITY_LOW)
139 #define VNET_HW_INTERFACE_ADD_DEL_FUNCTION(f) \
140 _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_add_del)
141 #define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION(f) \
142 _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_link_up_down)
143 #define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION_PRIO(f,p) \
144 _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,hw_interface_link_up_down,p)
145 #define VNET_SW_INTERFACE_ADD_DEL_FUNCTION(f) \
146 _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_add_del)
147 #define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION(f) \
148 _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_admin_up_down)
149 #define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION_PRIO(f,p) \
150 _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,sw_interface_admin_up_down, p)
152 /* A class of hardware interface devices. */
153 typedef struct _vnet_device_class
155 /* Index into main vector. */
158 /* Device name (e.g. "FOOBAR 1234a"). */
161 /* Function to call when hardware interface is added/deleted. */
162 vnet_interface_function_t *interface_add_del_function;
164 /* Function to bring device administratively up/down. */
165 vnet_interface_function_t *admin_up_down_function;
167 /* Function to call when sub-interface is added/deleted */
168 vnet_subif_add_del_function_t *subif_add_del_function;
170 /* Function to call interface rx mode is changed */
171 vnet_interface_set_rx_mode_function_t *rx_mode_change_function;
173 /* Function to call interface l2 mode is changed */
174 vnet_interface_set_l2_mode_function_t *set_l2_mode_function;
176 /* Redistribute flag changes/existence of this interface class. */
179 /* Transmit function. */
180 vlib_node_function_t *tx_function;
182 /* Error strings indexed by error code for this node. */
183 char **tx_function_error_strings;
185 /* Number of error codes used by this node. */
186 u32 tx_function_n_errors;
188 /* Renumber device name [only!] support, a control-plane kludge */
189 int (*name_renumber) (struct vnet_hw_interface_t * hi,
190 u32 new_dev_instance);
192 /* Format device instance as name. */
193 format_function_t *format_device_name;
195 /* Parse function for device name. */
196 unformat_function_t *unformat_device_name;
198 /* Format device verbosely for this class. */
199 format_function_t *format_device;
201 /* Trace buffer format for TX function. */
202 format_function_t *format_tx_trace;
204 /* Function to clear hardware counters for device. */
205 void (*clear_counters) (u32 dev_class_instance);
207 uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
211 /* Called when hardware class of an interface changes. */
212 void (*hw_class_change) (struct vnet_main_t * vnm,
213 u32 hw_if_index, u32 new_hw_class_index);
215 /* Called to redirect traffic from a specific interface instance */
216 void (*rx_redirect_to_node) (struct vnet_main_t * vnm,
217 u32 hw_if_index, u32 node_index);
219 /* Link-list of all device classes set up by constructors created below */
220 struct _vnet_device_class *next_class_registration;
222 /* Function to set mac address. */
223 vnet_interface_set_mac_address_function_t *mac_addr_change_function;
224 } vnet_device_class_t;
226 #define VNET_DEVICE_CLASS(x,...) \
227 __VA_ARGS__ vnet_device_class_t x; \
228 static void __vnet_add_device_class_registration_##x (void) \
229 __attribute__((__constructor__)) ; \
230 static void __vnet_add_device_class_registration_##x (void) \
232 vnet_main_t * vnm = vnet_get_main(); \
233 x.next_class_registration = vnm->device_class_registrations; \
234 vnm->device_class_registrations = &x; \
236 static void __vnet_rm_device_class_registration_##x (void) \
237 __attribute__((__destructor__)) ; \
238 static void __vnet_rm_device_class_registration_##x (void) \
240 vnet_main_t * vnm = vnet_get_main(); \
241 VLIB_REMOVE_FROM_LINKED_LIST (vnm->device_class_registrations, \
242 &x, next_class_registration); \
244 __VA_ARGS__ vnet_device_class_t x
246 #define VLIB_DEVICE_TX_FUNCTION_CLONE_TEMPLATE(arch, fn, tgt) \
248 __attribute__ ((flatten)) \
249 __attribute__ ((target (tgt))) \
251 fn ## _ ## arch ( vlib_main_t * vm, \
252 vlib_node_runtime_t * node, \
253 vlib_frame_t * frame) \
254 { return fn (vm, node, frame); }
256 #define VLIB_DEVICE_TX_FUNCTION_MULTIARCH_CLONE(fn) \
257 foreach_march_variant(VLIB_DEVICE_TX_FUNCTION_CLONE_TEMPLATE, fn)
260 #define VLIB_MULTIARCH_CLONE_AND_SELECT_FN(fn,...)
261 #define VLIB_DEVICE_TX_FUNCTION_MULTIARCH(dev, fn)
263 #define VLIB_DEVICE_TX_FUNCTION_MULTIARCH(dev, fn) \
264 VLIB_DEVICE_TX_FUNCTION_MULTIARCH_CLONE(fn) \
265 CLIB_MULTIARCH_SELECT_FN(fn, static inline) \
266 static void __attribute__((__constructor__)) \
267 __vlib_device_tx_function_multiarch_select_##dev (void) \
268 { dev.tx_function = fn ## _multiarch_select(); }
272 * Link Type: A description of the protocol of packets on the link.
273 * On an ethernet link this maps directly into the ethertype. On a GRE tunnel
274 * it maps to the GRE-proto, etc for other lnk types.
276 typedef enum vnet_link_t_
288 } __attribute__ ((packed)) vnet_link_t;
290 #define VNET_LINKS { \
291 [VNET_LINK_ETHERNET] = "ethernet", \
292 [VNET_LINK_IP4] = "ipv4", \
293 [VNET_LINK_IP6] = "ipv6", \
294 [VNET_LINK_MPLS] = "mpls", \
295 [VNET_LINK_ARP] = "arp", \
296 [VNET_LINK_NSH] = "nsh", \
299 #define FOR_EACH_VNET_LINK(_link) \
300 for (_link = VNET_LINK_IP4; \
301 _link <= VNET_LINK_NSH; \
305 * @brief Number of link types. Not part of the enum so it does not have to be included in
308 #define VNET_LINK_NUM (VNET_LINK_NSH+1)
311 * @brief Convert a link to to an Ethertype
313 extern vnet_l3_packet_type_t vnet_link_to_l3_proto (vnet_link_t link);
316 * @brief Attributes assignable to a HW interface Class.
318 typedef enum vnet_hw_interface_class_flags_t_
321 * @brief a point 2 point interface
323 VNET_HW_INTERFACE_CLASS_FLAG_P2P = (1 << 0),
324 } vnet_hw_interface_class_flags_t;
326 /* Layer-2 (e.g. Ethernet) interface class. */
327 typedef struct _vnet_hw_interface_class
329 /* Index into main vector. */
332 /* Class name (e.g. "Ethernet"). */
336 vnet_hw_interface_class_flags_t flags;
338 /* Function to call when hardware interface is added/deleted. */
339 vnet_interface_function_t *interface_add_del_function;
341 /* Function to bring interface administratively up/down. */
342 vnet_interface_function_t *admin_up_down_function;
344 /* Function to call when link state changes. */
345 vnet_interface_function_t *link_up_down_function;
347 /* Function to call when link MAC changes. */
348 vnet_interface_set_mac_address_function_t *mac_addr_change_function;
350 /* Format function to display interface name. */
351 format_function_t *format_interface_name;
353 /* Format function to display interface address. */
354 format_function_t *format_address;
356 /* Format packet header for this interface class. */
357 format_function_t *format_header;
359 /* Format device verbosely for this class. */
360 format_function_t *format_device;
362 /* Parser for hardware (e.g. ethernet) address. */
363 unformat_function_t *unformat_hw_address;
365 /* Parser for packet header for e.g. rewrite string. */
366 unformat_function_t *unformat_header;
368 /* Builds a rewrite string for the interface to the destination
369 * for the payload/link type. */
370 u8 *(*build_rewrite) (struct vnet_main_t * vnm,
372 vnet_link_t link_type, const void *dst_hw_address);
374 /* Update an adjacecny added by FIB (as opposed to via the
375 * neighbour resolution protocol). */
376 void (*update_adjacency) (struct vnet_main_t * vnm,
377 u32 sw_if_index, u32 adj_index);
379 uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
383 /* Called when hw interface class is changed and old hardware instance
384 may want to be deleted. */
385 void (*hw_class_change) (struct vnet_main_t * vnm, u32 hw_if_index,
386 u32 old_class_index, u32 new_class_index);
388 /* List of hw interface classes, built by constructors */
389 struct _vnet_hw_interface_class *next_class_registration;
391 } vnet_hw_interface_class_t;
394 * @brief Return a complete, zero-length (aka dummy) rewrite
396 extern u8 *default_build_rewrite (struct vnet_main_t *vnm,
398 vnet_link_t link_type,
399 const void *dst_hw_address);
402 * @brief Default adjacency update function
404 extern void default_update_adjacency (struct vnet_main_t *vnm,
405 u32 sw_if_index, u32 adj_index);
407 #define VNET_HW_INTERFACE_CLASS(x,...) \
408 __VA_ARGS__ vnet_hw_interface_class_t x; \
409 static void __vnet_add_hw_interface_class_registration_##x (void) \
410 __attribute__((__constructor__)) ; \
411 static void __vnet_add_hw_interface_class_registration_##x (void) \
413 vnet_main_t * vnm = vnet_get_main(); \
414 x.next_class_registration = vnm->hw_interface_class_registrations; \
415 vnm->hw_interface_class_registrations = &x; \
417 static void __vnet_rm_hw_interface_class_registration_##x (void) \
418 __attribute__((__destructor__)) ; \
419 static void __vnet_rm_hw_interface_class_registration_##x (void) \
421 vnet_main_t * vnm = vnet_get_main(); \
422 VLIB_REMOVE_FROM_LINKED_LIST (vnm->hw_interface_class_registrations,\
423 &x, next_class_registration); \
425 __VA_ARGS__ vnet_hw_interface_class_t x
427 /* Hardware-interface. This corresponds to a physical wire
428 that packets flow over. */
429 typedef struct vnet_hw_interface_t
431 /* Interface name. */
435 /* Hardware link state is up. */
436 #define VNET_HW_INTERFACE_FLAG_LINK_UP (1 << 0)
437 /* Hardware duplex state */
438 #define VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT 1
439 #define VNET_HW_INTERFACE_FLAG_HALF_DUPLEX (1 << 1)
440 #define VNET_HW_INTERFACE_FLAG_FULL_DUPLEX (1 << 2)
441 #define VNET_HW_INTERFACE_FLAG_DUPLEX_MASK \
442 (VNET_HW_INTERFACE_FLAG_HALF_DUPLEX | \
443 VNET_HW_INTERFACE_FLAG_FULL_DUPLEX)
445 /* Hardware link speed */
446 #define VNET_HW_INTERFACE_FLAG_SPEED_SHIFT 3
447 #define VNET_HW_INTERFACE_FLAG_SPEED_10M (1 << 3)
448 #define VNET_HW_INTERFACE_FLAG_SPEED_100M (1 << 4)
449 #define VNET_HW_INTERFACE_FLAG_SPEED_1G (1 << 5)
450 #define VNET_HW_INTERFACE_FLAG_SPEED_2_5G (1 << 6)
451 #define VNET_HW_INTERFACE_FLAG_SPEED_5G (1 << 7)
452 #define VNET_HW_INTERFACE_FLAG_SPEED_10G (1 << 8)
453 #define VNET_HW_INTERFACE_FLAG_SPEED_20G (1 << 9)
454 #define VNET_HW_INTERFACE_FLAG_SPEED_25G (1 << 10)
455 #define VNET_HW_INTERFACE_FLAG_SPEED_40G (1 << 11)
456 #define VNET_HW_INTERFACE_FLAG_SPEED_50G (1 << 12)
457 #define VNET_HW_INTERFACE_FLAG_SPEED_56G (1 << 13)
458 #define VNET_HW_INTERFACE_FLAG_SPEED_100G (1 << 14)
459 #define VNET_HW_INTERFACE_FLAG_SPEED_MASK \
460 (VNET_HW_INTERFACE_FLAG_SPEED_10M | \
461 VNET_HW_INTERFACE_FLAG_SPEED_100M | \
462 VNET_HW_INTERFACE_FLAG_SPEED_1G | \
463 VNET_HW_INTERFACE_FLAG_SPEED_2_5G | \
464 VNET_HW_INTERFACE_FLAG_SPEED_5G | \
465 VNET_HW_INTERFACE_FLAG_SPEED_10G | \
466 VNET_HW_INTERFACE_FLAG_SPEED_20G | \
467 VNET_HW_INTERFACE_FLAG_SPEED_25G | \
468 VNET_HW_INTERFACE_FLAG_SPEED_40G | \
469 VNET_HW_INTERFACE_FLAG_SPEED_50G | \
470 VNET_HW_INTERFACE_FLAG_SPEED_56G | \
471 VNET_HW_INTERFACE_FLAG_SPEED_100G)
474 #define VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE (1 << 16)
476 /* tx checksum offload */
477 #define VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD (1 << 17)
479 /* Hardware address as vector. Zero (e.g. zero-length vector) if no
480 address for this class (e.g. PPP). */
483 /* Interface is up as far as software is concerned. */
484 /* NAME.{output,tx} nodes for this interface. */
485 u32 output_node_index, tx_node_index;
487 /* (dev_class, dev_instance) uniquely identifies hw interface. */
491 /* (hw_class, hw_instance) uniquely identifies hw interface. */
495 /* Hardware index for this hardware interface. */
498 /* Software index for this hardware interface. */
501 /* Next index in interface-output node for this interface
502 used by node function vnet_per_buffer_interface_output() */
503 u32 output_node_next_index;
505 /* Maximum transmit rate for this interface in bits/sec. */
506 f64 max_rate_bits_per_sec;
508 /* Smallest packet size supported by this interface. */
509 u32 min_supported_packet_bytes;
511 /* Largest packet size supported by this interface. */
512 u32 max_supported_packet_bytes;
514 /* Smallest packet size for this interface. */
515 u32 min_packet_bytes;
517 /* Largest packet size for this interface. */
518 u32 max_packet_bytes;
520 /* Number of extra bytes that go on the wire.
521 Packet length on wire
522 = max (length + per_packet_overhead_bytes, min_packet_bytes). */
523 u32 per_packet_overhead_bytes;
525 /* Receive and transmit layer 3 packet size limits (MRU/MTU). */
526 u32 max_l3_packet_bytes[VLIB_N_RX_TX];
528 /* Hash table mapping sub interface id to sw_if_index. */
529 uword *sub_interface_sw_if_index_by_id;
531 /* Count of number of L2 subinterfaces */
534 /* Bonded interface info -
535 0 - not a bonded interface nor a slave
536 ~0 - slave to a bonded interface
537 others - A bonded interface with a pointer to bitmap for all slaves */
539 #define VNET_HW_INTERFACE_BOND_INFO_NONE ((uword *) 0)
540 #define VNET_HW_INTERFACE_BOND_INFO_SLAVE ((uword *) ~0)
543 u32 input_node_index;
545 /* input node cpu index by queue */
546 u32 *input_node_thread_index_by_queue;
548 /* vnet_hw_interface_rx_mode by queue */
549 u8 *rx_mode_by_queue;
550 vnet_hw_interface_rx_mode default_rx_mode;
552 /* device input device_and_queue runtime index */
553 uword *dq_runtime_index_by_queue;
555 } vnet_hw_interface_t;
557 extern vnet_device_class_t vnet_local_interface_device_class;
561 /* A hw interface. */
562 VNET_SW_INTERFACE_TYPE_HARDWARE,
564 /* A sub-interface. */
565 VNET_SW_INTERFACE_TYPE_SUB,
566 VNET_SW_INTERFACE_TYPE_P2P,
567 } vnet_sw_interface_type_t;
572 * Subinterface ID. A number 0-N to uniquely identify
573 * this subinterface under the main (parent?) interface
577 /* Classification data. Used to associate packet header with subinterface. */
590 u16 dot1ad:1; /* 0 = dot1q, 1=dot1ad */
593 u16 outer_vlan_id_any:1;
594 u16 inner_vlan_id_any:1;
598 } vnet_sub_interface_t;
603 * Subinterface ID. A number 0-N to uniquely identify
604 * this subinterface under the main interface
609 } vnet_p2p_sub_interface_t;
613 /* THe BVI interface */
614 VNET_FLOOD_CLASS_BVI,
616 VNET_FLOOD_CLASS_NORMAL,
617 VNET_FLOOD_CLASS_TUNNEL_MASTER,
618 /* Does not flood when tunnel master is in the same L2 BD */
619 VNET_FLOOD_CLASS_TUNNEL_NORMAL,
620 /* Never flood to this type */
621 VNET_FLOOD_CLASS_NO_FLOOD,
622 } vnet_flood_class_t;
624 /* Software-interface. This corresponds to a Ethernet VLAN, ATM vc, a
625 tunnel, etc. Configuration (e.g. IP address) gets attached to
626 software interface. */
629 vnet_sw_interface_type_t type:16;
632 /* Interface is "up" meaning adminstratively up.
633 Up in the sense of link state being up is maintained by hardware interface. */
634 #define VNET_SW_INTERFACE_FLAG_ADMIN_UP (1 << 0)
636 /* Interface is disabled for forwarding: punt all traffic to slow-path. */
637 #define VNET_SW_INTERFACE_FLAG_PUNT (1 << 1)
639 #define VNET_SW_INTERFACE_FLAG_PROXY_ARP (1 << 2)
641 #define VNET_SW_INTERFACE_FLAG_UNNUMBERED (1 << 3)
643 #define VNET_SW_INTERFACE_FLAG_BOND_SLAVE (1 << 4)
645 /* Interface does not appear in CLI/API */
646 #define VNET_SW_INTERFACE_FLAG_HIDDEN (1 << 5)
648 /* Interface in ERROR state */
649 #define VNET_SW_INTERFACE_FLAG_ERROR (1 << 6)
651 /* Index for this interface. */
654 /* Software interface index of super-interface;
655 equal to sw_if_index if this interface is not a
659 /* this swif is unnumbered, use addresses on unnumbered_sw_if_index... */
660 u32 unnumbered_sw_if_index;
666 /* VNET_SW_INTERFACE_TYPE_HARDWARE. */
669 /* VNET_SW_INTERFACE_TYPE_SUB. */
670 vnet_sub_interface_t sub;
672 /* VNET_SW_INTERFACE_TYPE_P2P. */
673 vnet_p2p_sub_interface_t p2p;
676 vnet_flood_class_t flood_class;
677 } vnet_sw_interface_t;
681 /* Simple counters. */
682 VNET_INTERFACE_COUNTER_DROP = 0,
683 VNET_INTERFACE_COUNTER_PUNT = 1,
684 VNET_INTERFACE_COUNTER_IP4 = 2,
685 VNET_INTERFACE_COUNTER_IP6 = 3,
686 VNET_INTERFACE_COUNTER_RX_NO_BUF = 4,
687 VNET_INTERFACE_COUNTER_RX_MISS = 5,
688 VNET_INTERFACE_COUNTER_RX_ERROR = 6,
689 VNET_INTERFACE_COUNTER_TX_ERROR = 7,
690 VNET_INTERFACE_COUNTER_MPLS = 8,
691 VNET_N_SIMPLE_INTERFACE_COUNTER = 9,
692 /* Combined counters. */
693 VNET_INTERFACE_COUNTER_RX = 0,
694 VNET_INTERFACE_COUNTER_RX_UNICAST = 1,
695 VNET_INTERFACE_COUNTER_RX_MULTICAST = 2,
696 VNET_INTERFACE_COUNTER_RX_BROADCAST = 3,
697 VNET_INTERFACE_COUNTER_TX = 4,
698 VNET_INTERFACE_COUNTER_TX_UNICAST = 5,
699 VNET_INTERFACE_COUNTER_TX_MULTICAST = 6,
700 VNET_INTERFACE_COUNTER_TX_BROADCAST = 7,
701 VNET_N_COMBINED_INTERFACE_COUNTER = 8,
702 } vnet_interface_counter_type_t;
704 #define foreach_rx_combined_interface_counter(_x) \
705 for (_x = VNET_INTERFACE_COUNTER_RX; \
706 _x <= VNET_INTERFACE_COUNTER_RX_BROADCAST; \
709 #define foreach_tx_combined_interface_counter(_x) \
710 for (_x = VNET_INTERFACE_COUNTER_TX; \
711 _x <= VNET_INTERFACE_COUNTER_TX_BROADCAST; \
716 COLLECT_SIMPLE_STATS = 0,
717 COLLECT_DETAILED_STATS = 1,
718 } vnet_interface_stats_collection_mode_e;
720 extern int collect_detailed_interface_stats_flag;
723 collect_detailed_interface_stats (void)
725 return collect_detailed_interface_stats_flag;
728 void collect_detailed_interface_stats_flag_set (void);
729 void collect_detailed_interface_stats_flag_clear (void);
734 u32 output_node_index;
736 } vnet_hw_interface_nodes_t;
740 /* Hardware interfaces. */
741 vnet_hw_interface_t *hw_interfaces;
743 /* Hash table mapping HW interface name to index. */
744 uword *hw_interface_by_name;
746 /* Vectors if hardware interface classes and device classes. */
747 vnet_hw_interface_class_t *hw_interface_classes;
748 vnet_device_class_t *device_classes;
750 /* Hash table mapping name to hw interface/device class. */
751 uword *hw_interface_class_by_name;
752 uword *device_class_by_name;
754 /* Software interfaces. */
755 vnet_sw_interface_t *sw_interfaces;
757 /* Hash table mapping sub intfc sw_if_index by sup sw_if_index and sub id */
758 uword *sw_if_index_by_sup_and_sub;
760 /* Software interface counters both simple and combined
761 packet and byte counters. */
762 volatile u32 *sw_if_counter_lock;
763 vlib_simple_counter_main_t *sw_if_counters;
764 vlib_combined_counter_main_t *combined_sw_if_counters;
766 vnet_hw_interface_nodes_t *deleted_hw_interface_nodes;
768 /* pcap drop tracing */
769 int drop_pcap_enable;
770 pcap_main_t pcap_main;
772 u32 pcap_sw_if_index;
773 u32 pcap_pkts_to_capture;
774 uword *pcap_drop_filter_hash;
776 /* feature_arc_index */
777 u8 output_feature_arc_index;
778 } vnet_interface_main_t;
781 vnet_interface_counter_lock (vnet_interface_main_t * im)
783 if (im->sw_if_counter_lock)
784 while (__sync_lock_test_and_set (im->sw_if_counter_lock, 1))
789 vnet_interface_counter_unlock (vnet_interface_main_t * im)
791 if (im->sw_if_counter_lock)
792 *im->sw_if_counter_lock = 0;
795 void vnet_pcap_drop_trace_filter_add_del (u32 error_index, int is_add);
797 int vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance);
799 #endif /* included_vnet_interface_h */
802 * fd.io coding-style-patch-verification: ON
805 * eval: (c-set-style "gnu")