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_MTU_CHANGE_FUNCTION(f) \
160 _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_mtu_change)
161 #define VNET_SW_INTERFACE_ADD_DEL_FUNCTION(f) \
162 _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_add_del)
163 #define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION(f) \
164 _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_admin_up_down)
165 #define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION_PRIO(f,p) \
166 _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,sw_interface_admin_up_down, p)
168 /* A class of hardware interface devices. */
169 typedef struct _vnet_device_class
171 /* Index into main vector. */
174 /* Device name (e.g. "FOOBAR 1234a"). */
177 /* Function to call when hardware interface is added/deleted. */
178 vnet_interface_function_t *interface_add_del_function;
180 /* Function to bring device administratively up/down. */
181 vnet_interface_function_t *admin_up_down_function;
183 /* Function to call when sub-interface is added/deleted */
184 vnet_subif_add_del_function_t *subif_add_del_function;
186 /* Function to call interface rx mode is changed */
187 vnet_interface_set_rx_mode_function_t *rx_mode_change_function;
189 /* Function to call interface l2 mode is changed */
190 vnet_interface_set_l2_mode_function_t *set_l2_mode_function;
192 /* Redistribute flag changes/existence of this interface class. */
195 /* Transmit function. */
196 vlib_node_function_t *tx_function;
198 /* Error strings indexed by error code for this node. */
199 char **tx_function_error_strings;
201 /* Number of error codes used by this node. */
202 u32 tx_function_n_errors;
204 /* Renumber device name [only!] support, a control-plane kludge */
205 int (*name_renumber) (struct vnet_hw_interface_t * hi,
206 u32 new_dev_instance);
208 /* Interface flow offload operations */
209 vnet_flow_dev_ops_function_t *flow_ops_function;
211 /* Format device instance as name. */
212 format_function_t *format_device_name;
214 /* Parse function for device name. */
215 unformat_function_t *unformat_device_name;
217 /* Format device verbosely for this class. */
218 format_function_t *format_device;
220 /* Trace buffer format for TX function. */
221 format_function_t *format_tx_trace;
223 /* Format flow offload entry */
224 format_function_t *format_flow;
226 /* Function to clear hardware counters for device. */
227 void (*clear_counters) (u32 dev_class_instance);
229 uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
233 /* Called when hardware class of an interface changes. */
234 void (*hw_class_change) (struct vnet_main_t * vnm,
235 u32 hw_if_index, u32 new_hw_class_index);
237 /* Called to redirect traffic from a specific interface instance */
238 void (*rx_redirect_to_node) (struct vnet_main_t * vnm,
239 u32 hw_if_index, u32 node_index);
241 /* Link-list of all device classes set up by constructors created below */
242 struct _vnet_device_class *next_class_registration;
244 /* Function to set mac address. */
245 vnet_interface_set_mac_address_function_t *mac_addr_change_function;
246 } vnet_device_class_t;
248 #define VNET_DEVICE_CLASS(x,...) \
249 __VA_ARGS__ vnet_device_class_t x; \
250 static void __vnet_add_device_class_registration_##x (void) \
251 __attribute__((__constructor__)) ; \
252 static void __vnet_add_device_class_registration_##x (void) \
254 vnet_main_t * vnm = vnet_get_main(); \
255 x.next_class_registration = vnm->device_class_registrations; \
256 vnm->device_class_registrations = &x; \
258 static void __vnet_rm_device_class_registration_##x (void) \
259 __attribute__((__destructor__)) ; \
260 static void __vnet_rm_device_class_registration_##x (void) \
262 vnet_main_t * vnm = vnet_get_main(); \
263 VLIB_REMOVE_FROM_LINKED_LIST (vnm->device_class_registrations, \
264 &x, next_class_registration); \
266 __VA_ARGS__ vnet_device_class_t x
268 #define VLIB_DEVICE_TX_FUNCTION_CLONE_TEMPLATE(arch, fn, tgt) \
270 __attribute__ ((flatten)) \
271 __attribute__ ((target (tgt))) \
273 fn ## _ ## arch ( vlib_main_t * vm, \
274 vlib_node_runtime_t * node, \
275 vlib_frame_t * frame) \
276 { return fn (vm, node, frame); }
278 #define VLIB_DEVICE_TX_FUNCTION_MULTIARCH_CLONE(fn) \
279 foreach_march_variant(VLIB_DEVICE_TX_FUNCTION_CLONE_TEMPLATE, fn)
282 #define VLIB_MULTIARCH_CLONE_AND_SELECT_FN(fn,...)
283 #define VLIB_DEVICE_TX_FUNCTION_MULTIARCH(dev, fn)
285 #define VLIB_DEVICE_TX_FUNCTION_MULTIARCH(dev, fn) \
286 VLIB_DEVICE_TX_FUNCTION_MULTIARCH_CLONE(fn) \
287 CLIB_MULTIARCH_SELECT_FN(fn, static inline) \
288 static void __attribute__((__constructor__)) \
289 __vlib_device_tx_function_multiarch_select_##dev (void) \
290 { dev.tx_function = fn ## _multiarch_select(); }
294 * Link Type: A description of the protocol of packets on the link.
295 * On an ethernet link this maps directly into the ethertype. On a GRE tunnel
296 * it maps to the GRE-proto, etc for other lnk types.
298 typedef enum vnet_link_t_
310 } __attribute__ ((packed)) vnet_link_t;
312 #define VNET_LINKS { \
313 [VNET_LINK_ETHERNET] = "ethernet", \
314 [VNET_LINK_IP4] = "ipv4", \
315 [VNET_LINK_IP6] = "ipv6", \
316 [VNET_LINK_MPLS] = "mpls", \
317 [VNET_LINK_ARP] = "arp", \
318 [VNET_LINK_NSH] = "nsh", \
321 #define FOR_EACH_VNET_LINK(_link) \
322 for (_link = VNET_LINK_IP4; \
323 _link <= VNET_LINK_NSH; \
327 * @brief Number of link types. Not part of the enum so it does not have to be included in
330 #define VNET_LINK_NUM (VNET_LINK_NSH+1)
333 * @brief Convert a link to to an Ethertype
335 extern vnet_l3_packet_type_t vnet_link_to_l3_proto (vnet_link_t link);
338 * @brief Attributes assignable to a HW interface Class.
340 typedef enum vnet_hw_interface_class_flags_t_
343 * @brief a point 2 point interface
345 VNET_HW_INTERFACE_CLASS_FLAG_P2P = (1 << 0),
346 } vnet_hw_interface_class_flags_t;
348 /* Layer-2 (e.g. Ethernet) interface class. */
349 typedef struct _vnet_hw_interface_class
351 /* Index into main vector. */
354 /* Class name (e.g. "Ethernet"). */
358 vnet_hw_interface_class_flags_t flags;
360 /* Function to call when hardware interface is added/deleted. */
361 vnet_interface_function_t *interface_add_del_function;
363 /* Function to bring interface administratively up/down. */
364 vnet_interface_function_t *admin_up_down_function;
366 /* Function to call when link state changes. */
367 vnet_interface_function_t *link_up_down_function;
369 /* Function to call when link MAC changes. */
370 vnet_interface_set_mac_address_function_t *mac_addr_change_function;
372 /* Format function to display interface name. */
373 format_function_t *format_interface_name;
375 /* Format function to display interface address. */
376 format_function_t *format_address;
378 /* Format packet header for this interface class. */
379 format_function_t *format_header;
381 /* Format device verbosely for this class. */
382 format_function_t *format_device;
384 /* Parser for hardware (e.g. ethernet) address. */
385 unformat_function_t *unformat_hw_address;
387 /* Parser for packet header for e.g. rewrite string. */
388 unformat_function_t *unformat_header;
390 /* Builds a rewrite string for the interface to the destination
391 * for the payload/link type. */
392 u8 *(*build_rewrite) (struct vnet_main_t * vnm,
394 vnet_link_t link_type, const void *dst_hw_address);
396 /* Update an adjacecny added by FIB (as opposed to via the
397 * neighbour resolution protocol). */
398 void (*update_adjacency) (struct vnet_main_t * vnm,
399 u32 sw_if_index, u32 adj_index);
401 uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
405 /* Called when hw interface class is changed and old hardware instance
406 may want to be deleted. */
407 void (*hw_class_change) (struct vnet_main_t * vnm, u32 hw_if_index,
408 u32 old_class_index, u32 new_class_index);
410 /* List of hw interface classes, built by constructors */
411 struct _vnet_hw_interface_class *next_class_registration;
413 } vnet_hw_interface_class_t;
416 * @brief Return a complete, zero-length (aka dummy) rewrite
418 extern u8 *default_build_rewrite (struct vnet_main_t *vnm,
420 vnet_link_t link_type,
421 const void *dst_hw_address);
424 * @brief Default adjacency update function
426 extern void default_update_adjacency (struct vnet_main_t *vnm,
427 u32 sw_if_index, u32 adj_index);
429 #define VNET_HW_INTERFACE_CLASS(x,...) \
430 __VA_ARGS__ vnet_hw_interface_class_t x; \
431 static void __vnet_add_hw_interface_class_registration_##x (void) \
432 __attribute__((__constructor__)) ; \
433 static void __vnet_add_hw_interface_class_registration_##x (void) \
435 vnet_main_t * vnm = vnet_get_main(); \
436 x.next_class_registration = vnm->hw_interface_class_registrations; \
437 vnm->hw_interface_class_registrations = &x; \
439 static void __vnet_rm_hw_interface_class_registration_##x (void) \
440 __attribute__((__destructor__)) ; \
441 static void __vnet_rm_hw_interface_class_registration_##x (void) \
443 vnet_main_t * vnm = vnet_get_main(); \
444 VLIB_REMOVE_FROM_LINKED_LIST (vnm->hw_interface_class_registrations,\
445 &x, next_class_registration); \
447 __VA_ARGS__ vnet_hw_interface_class_t x
449 /* Hardware-interface. This corresponds to a physical wire
450 that packets flow over. */
451 typedef struct vnet_hw_interface_t
453 /* Interface name. */
457 /* Hardware link state is up. */
458 #define VNET_HW_INTERFACE_FLAG_LINK_UP (1 << 0)
459 /* Hardware duplex state */
460 #define VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT 1
461 #define VNET_HW_INTERFACE_FLAG_HALF_DUPLEX (1 << 1)
462 #define VNET_HW_INTERFACE_FLAG_FULL_DUPLEX (1 << 2)
463 #define VNET_HW_INTERFACE_FLAG_DUPLEX_MASK \
464 (VNET_HW_INTERFACE_FLAG_HALF_DUPLEX | \
465 VNET_HW_INTERFACE_FLAG_FULL_DUPLEX)
467 /* Hardware link speed */
468 #define VNET_HW_INTERFACE_FLAG_SPEED_SHIFT 3
469 #define VNET_HW_INTERFACE_FLAG_SPEED_10M (1 << 3)
470 #define VNET_HW_INTERFACE_FLAG_SPEED_100M (1 << 4)
471 #define VNET_HW_INTERFACE_FLAG_SPEED_1G (1 << 5)
472 #define VNET_HW_INTERFACE_FLAG_SPEED_2_5G (1 << 6)
473 #define VNET_HW_INTERFACE_FLAG_SPEED_5G (1 << 7)
474 #define VNET_HW_INTERFACE_FLAG_SPEED_10G (1 << 8)
475 #define VNET_HW_INTERFACE_FLAG_SPEED_20G (1 << 9)
476 #define VNET_HW_INTERFACE_FLAG_SPEED_25G (1 << 10)
477 #define VNET_HW_INTERFACE_FLAG_SPEED_40G (1 << 11)
478 #define VNET_HW_INTERFACE_FLAG_SPEED_50G (1 << 12)
479 #define VNET_HW_INTERFACE_FLAG_SPEED_56G (1 << 13)
480 #define VNET_HW_INTERFACE_FLAG_SPEED_100G (1 << 14)
481 #define VNET_HW_INTERFACE_FLAG_SPEED_MASK \
482 (VNET_HW_INTERFACE_FLAG_SPEED_10M | \
483 VNET_HW_INTERFACE_FLAG_SPEED_100M | \
484 VNET_HW_INTERFACE_FLAG_SPEED_1G | \
485 VNET_HW_INTERFACE_FLAG_SPEED_2_5G | \
486 VNET_HW_INTERFACE_FLAG_SPEED_5G | \
487 VNET_HW_INTERFACE_FLAG_SPEED_10G | \
488 VNET_HW_INTERFACE_FLAG_SPEED_20G | \
489 VNET_HW_INTERFACE_FLAG_SPEED_25G | \
490 VNET_HW_INTERFACE_FLAG_SPEED_40G | \
491 VNET_HW_INTERFACE_FLAG_SPEED_50G | \
492 VNET_HW_INTERFACE_FLAG_SPEED_56G | \
493 VNET_HW_INTERFACE_FLAG_SPEED_100G)
496 #define VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE (1 << 16)
498 /* tx checksum offload */
499 #define VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD (1 << 17)
501 /* Hardware address as vector. Zero (e.g. zero-length vector) if no
502 address for this class (e.g. PPP). */
505 /* Interface is up as far as software is concerned. */
506 /* NAME.{output,tx} nodes for this interface. */
507 u32 output_node_index, tx_node_index;
509 /* (dev_class, dev_instance) uniquely identifies hw interface. */
513 /* (hw_class, hw_instance) uniquely identifies hw interface. */
517 /* Hardware index for this hardware interface. */
520 /* Software index for this hardware interface. */
523 /* Next index in interface-output node for this interface
524 used by node function vnet_per_buffer_interface_output() */
525 u32 output_node_next_index;
527 /* Maximum transmit rate for this interface in bits/sec. */
528 f64 max_rate_bits_per_sec;
530 /* Smallest packet size supported by this interface. */
531 u32 min_supported_packet_bytes;
533 /* Largest packet size supported by this interface. */
534 u32 max_supported_packet_bytes;
536 /* Smallest packet size for this interface. */
537 u32 min_packet_bytes;
539 /* Largest packet size for this interface. */
540 u32 max_packet_bytes;
542 /* Hash table mapping sub interface id to sw_if_index. */
543 uword *sub_interface_sw_if_index_by_id;
545 /* Count of number of L2 subinterfaces */
548 /* Bonded interface info -
549 0 - not a bonded interface nor a slave
550 ~0 - slave to a bonded interface
551 others - A bonded interface with a pointer to bitmap for all slaves */
553 #define VNET_HW_INTERFACE_BOND_INFO_NONE ((uword *) 0)
554 #define VNET_HW_INTERFACE_BOND_INFO_SLAVE ((uword *) ~0)
557 u32 input_node_index;
559 /* input node cpu index by queue */
560 u32 *input_node_thread_index_by_queue;
562 /* vnet_hw_interface_rx_mode by queue */
563 u8 *rx_mode_by_queue;
564 vnet_hw_interface_rx_mode default_rx_mode;
566 /* device input device_and_queue runtime index */
567 uword *dq_runtime_index_by_queue;
569 } vnet_hw_interface_t;
571 extern vnet_device_class_t vnet_local_interface_device_class;
575 /* A hw interface. */
576 VNET_SW_INTERFACE_TYPE_HARDWARE,
578 /* A sub-interface. */
579 VNET_SW_INTERFACE_TYPE_SUB,
580 VNET_SW_INTERFACE_TYPE_P2P,
581 VNET_SW_INTERFACE_TYPE_PIPE,
582 } vnet_sw_interface_type_t;
587 * Subinterface ID. A number 0-N to uniquely identify
588 * this subinterface under the main (parent?) interface
592 /* Classification data. Used to associate packet header with subinterface. */
605 u16 dot1ad:1; /* 0 = dot1q, 1=dot1ad */
608 u16 outer_vlan_id_any:1;
609 u16 inner_vlan_id_any:1;
613 } vnet_sub_interface_t;
618 * Subinterface ID. A number 0-N to uniquely identify
619 * this subinterface under the main interface
624 } vnet_p2p_sub_interface_t;
628 /* THe BVI interface */
629 VNET_FLOOD_CLASS_BVI,
631 VNET_FLOOD_CLASS_NORMAL,
632 VNET_FLOOD_CLASS_TUNNEL_MASTER,
633 /* Does not flood when tunnel master is in the same L2 BD */
634 VNET_FLOOD_CLASS_TUNNEL_NORMAL,
635 /* Never flood to this type */
636 VNET_FLOOD_CLASS_NO_FLOOD,
637 } vnet_flood_class_t;
639 /* Per protocol MTU */
642 VNET_MTU_L3, /* Default payload MTU (without L2 headers) */
643 VNET_MTU_IP4, /* Per-protocol MTUs overriding default */
649 extern vnet_mtu_t vnet_link_to_mtu (vnet_link_t link);
651 /* Software-interface. This corresponds to a Ethernet VLAN, ATM vc, a
652 tunnel, etc. Configuration (e.g. IP address) gets attached to
653 software interface. */
656 vnet_sw_interface_type_t type:16;
659 /* Interface is "up" meaning adminstratively up.
660 Up in the sense of link state being up is maintained by hardware interface. */
661 #define VNET_SW_INTERFACE_FLAG_ADMIN_UP (1 << 0)
663 /* Interface is disabled for forwarding: punt all traffic to slow-path. */
664 #define VNET_SW_INTERFACE_FLAG_PUNT (1 << 1)
666 #define VNET_SW_INTERFACE_FLAG_PROXY_ARP (1 << 2)
668 #define VNET_SW_INTERFACE_FLAG_UNNUMBERED (1 << 3)
670 #define VNET_SW_INTERFACE_FLAG_BOND_SLAVE (1 << 4)
672 /* Interface does not appear in CLI/API */
673 #define VNET_SW_INTERFACE_FLAG_HIDDEN (1 << 5)
675 /* Interface in ERROR state */
676 #define VNET_SW_INTERFACE_FLAG_ERROR (1 << 6)
678 /* Index for this interface. */
681 /* Software interface index of super-interface;
682 equal to sw_if_index if this interface is not a
686 /* this swif is unnumbered, use addresses on unnumbered_sw_if_index... */
687 u32 unnumbered_sw_if_index;
691 /* VNET_SW_INTERFACE_TYPE_HARDWARE. */
694 /* MTU for network layer (not including L2 headers) */
697 /* VNET_SW_INTERFACE_TYPE_SUB. */
698 vnet_sub_interface_t sub;
700 /* VNET_SW_INTERFACE_TYPE_P2P. */
701 vnet_p2p_sub_interface_t p2p;
703 vnet_flood_class_t flood_class;
704 } vnet_sw_interface_t;
708 /* Simple counters. */
709 VNET_INTERFACE_COUNTER_DROP = 0,
710 VNET_INTERFACE_COUNTER_PUNT = 1,
711 VNET_INTERFACE_COUNTER_IP4 = 2,
712 VNET_INTERFACE_COUNTER_IP6 = 3,
713 VNET_INTERFACE_COUNTER_RX_NO_BUF = 4,
714 VNET_INTERFACE_COUNTER_RX_MISS = 5,
715 VNET_INTERFACE_COUNTER_RX_ERROR = 6,
716 VNET_INTERFACE_COUNTER_TX_ERROR = 7,
717 VNET_INTERFACE_COUNTER_MPLS = 8,
718 VNET_N_SIMPLE_INTERFACE_COUNTER = 9,
719 /* Combined counters. */
720 VNET_INTERFACE_COUNTER_RX = 0,
721 VNET_INTERFACE_COUNTER_RX_UNICAST = 1,
722 VNET_INTERFACE_COUNTER_RX_MULTICAST = 2,
723 VNET_INTERFACE_COUNTER_RX_BROADCAST = 3,
724 VNET_INTERFACE_COUNTER_TX = 4,
725 VNET_INTERFACE_COUNTER_TX_UNICAST = 5,
726 VNET_INTERFACE_COUNTER_TX_MULTICAST = 6,
727 VNET_INTERFACE_COUNTER_TX_BROADCAST = 7,
728 VNET_N_COMBINED_INTERFACE_COUNTER = 8,
729 } vnet_interface_counter_type_t;
731 #define foreach_rx_combined_interface_counter(_x) \
732 for (_x = VNET_INTERFACE_COUNTER_RX; \
733 _x <= VNET_INTERFACE_COUNTER_RX_BROADCAST; \
736 #define foreach_tx_combined_interface_counter(_x) \
737 for (_x = VNET_INTERFACE_COUNTER_TX; \
738 _x <= VNET_INTERFACE_COUNTER_TX_BROADCAST; \
741 #define foreach_simple_interface_counter_name \
746 _(RX_NO_BUF, rx-no-buf, if) \
747 _(RX_MISS, rx-miss, if) \
748 _(RX_ERROR, rx-error, if) \
749 _(TX_ERROR, tx-error, if)
751 #define foreach_combined_interface_counter_name \
753 _(RX_UNICAST, rx-unicast, if) \
754 _(RX_MULTICAST, rx-multicast, if) \
755 _(RX_BROADCAST, rx-broadcast, if) \
757 _(TX_UNICAST, tx-unicast-miss, if) \
758 _(TX_MULTICAST, tx-multicast, if) \
759 _(TX_BROADCAST, tx-broadcast, if)
763 COLLECT_SIMPLE_STATS = 0,
764 COLLECT_DETAILED_STATS = 1,
765 } vnet_interface_stats_collection_mode_e;
767 extern int collect_detailed_interface_stats_flag;
770 collect_detailed_interface_stats (void)
772 return collect_detailed_interface_stats_flag;
775 void collect_detailed_interface_stats_flag_set (void);
776 void collect_detailed_interface_stats_flag_clear (void);
781 u32 output_node_index;
783 } vnet_hw_interface_nodes_t;
787 /* Hardware interfaces. */
788 vnet_hw_interface_t *hw_interfaces;
790 /* Hash table mapping HW interface name to index. */
791 uword *hw_interface_by_name;
793 /* Vectors if hardware interface classes and device classes. */
794 vnet_hw_interface_class_t *hw_interface_classes;
795 vnet_device_class_t *device_classes;
797 /* Hash table mapping name to hw interface/device class. */
798 uword *hw_interface_class_by_name;
799 uword *device_class_by_name;
801 /* Software interfaces. */
802 vnet_sw_interface_t *sw_interfaces;
804 /* Hash table mapping sub intfc sw_if_index by sup sw_if_index and sub id */
805 uword *sw_if_index_by_sup_and_sub;
807 /* Software interface counters both simple and combined
808 packet and byte counters. */
809 volatile u32 *sw_if_counter_lock;
810 vlib_simple_counter_main_t *sw_if_counters;
811 vlib_combined_counter_main_t *combined_sw_if_counters;
813 vnet_hw_interface_nodes_t *deleted_hw_interface_nodes;
815 /* pcap drop tracing */
816 int drop_pcap_enable;
817 pcap_main_t pcap_main;
819 u32 pcap_sw_if_index;
820 u32 pcap_pkts_to_capture;
821 uword *pcap_drop_filter_hash;
823 /* feature_arc_index */
824 u8 output_feature_arc_index;
825 } vnet_interface_main_t;
828 vnet_interface_counter_lock (vnet_interface_main_t * im)
830 if (im->sw_if_counter_lock)
831 while (__sync_lock_test_and_set (im->sw_if_counter_lock, 1))
836 vnet_interface_counter_unlock (vnet_interface_main_t * im)
838 if (im->sw_if_counter_lock)
839 *im->sw_if_counter_lock = 0;
842 void vnet_pcap_drop_trace_filter_add_del (u32 error_index, int is_add);
844 int vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance);
846 #endif /* included_vnet_interface_h */
849 * fd.io coding-style-patch-verification: ON
852 * eval: (c-set-style "gnu")