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 <vlib/vlib.h>
44 #include <vppinfra/pcap.h>
45 #include <vnet/l3_types.h>
48 struct vnet_hw_interface_t;
49 struct vnet_sw_interface_t;
50 struct ip46_address_t;
54 VNET_HW_INTERFACE_RX_MODE_UNKNOWN,
55 VNET_HW_INTERFACE_RX_MODE_POLLING,
56 VNET_HW_INTERFACE_RX_MODE_INTERRUPT,
57 VNET_HW_INTERFACE_RX_MODE_ADAPTIVE,
58 VNET_HW_INTERFACE_RX_MODE_DEFAULT,
59 VNET_HW_INTERFACE_NUM_RX_MODES,
60 } vnet_hw_interface_rx_mode;
62 /* Interface up/down callback. */
63 typedef clib_error_t *(vnet_interface_function_t)
64 (struct vnet_main_t * vnm, u32 if_index, u32 flags);
66 /* Sub-interface add/del callback. */
67 typedef clib_error_t *(vnet_subif_add_del_function_t)
68 (struct vnet_main_t * vnm, u32 if_index,
69 struct vnet_sw_interface_t * template, int is_add);
71 /* Interface set mac address callback. */
72 typedef clib_error_t *(vnet_interface_set_mac_address_function_t)
73 (struct vnet_hw_interface_t * hi,
74 const u8 * old_address, const u8 * new_address);
76 /* Interface set rx mode callback. */
77 typedef clib_error_t *(vnet_interface_set_rx_mode_function_t)
78 (struct vnet_main_t * vnm, u32 if_index, u32 queue_id,
79 vnet_hw_interface_rx_mode mode);
81 /* Interface set l2 mode callback. */
82 typedef clib_error_t *(vnet_interface_set_l2_mode_function_t)
83 (struct vnet_main_t * vnm, struct vnet_hw_interface_t * hi,
88 VNET_FLOW_DEV_OP_ADD_FLOW,
89 VNET_FLOW_DEV_OP_DEL_FLOW,
90 VNET_FLOW_DEV_OP_GET_COUNTER,
91 VNET_FLOW_DEV_OP_RESET_COUNTER,
94 /* Interface flow operations callback. */
95 typedef int (vnet_flow_dev_ops_function_t) (struct vnet_main_t * vnm,
96 vnet_flow_dev_op_t op,
97 u32 hw_if_index, u32 index,
98 uword * private_data);
100 typedef enum vnet_interface_function_priority_t_
102 VNET_ITF_FUNC_PRIORITY_LOW,
103 VNET_ITF_FUNC_PRIORITY_HIGH,
104 } vnet_interface_function_priority_t;
105 #define VNET_ITF_FUNC_N_PRIO ((vnet_interface_function_priority_t)VNET_ITF_FUNC_PRIORITY_HIGH+1)
107 typedef struct _vnet_interface_function_list_elt
109 struct _vnet_interface_function_list_elt *next_interface_function;
110 clib_error_t *(*fp) (struct vnet_main_t * vnm, u32 if_index, u32 flags);
111 } _vnet_interface_function_list_elt_t;
113 #ifndef CLIB_MARCH_VARIANT
114 #define _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,p) \
116 static void __vnet_interface_function_init_##tag##_##f (void) \
117 __attribute__((__constructor__)) ; \
119 static void __vnet_interface_function_init_##tag##_##f (void) \
121 vnet_main_t * vnm = vnet_get_main(); \
122 static _vnet_interface_function_list_elt_t init_function; \
123 init_function.next_interface_function = vnm->tag##_functions[p]; \
124 vnm->tag##_functions[p] = &init_function; \
125 init_function.fp = (void *) &f; \
127 static void __vnet_interface_function_deinit_##tag##_##f (void) \
128 __attribute__((__destructor__)) ; \
130 static void __vnet_interface_function_deinit_##tag##_##f (void) \
132 vnet_main_t * vnm = vnet_get_main(); \
133 _vnet_interface_function_list_elt_t *next; \
134 if (vnm->tag##_functions[p]->fp == f) \
136 vnm->tag##_functions[p] = \
137 vnm->tag##_functions[p]->next_interface_function; \
140 next = vnm->tag##_functions[p]; \
141 while (next->next_interface_function) \
143 if (next->next_interface_function->fp == f) \
145 next->next_interface_function = \
146 next->next_interface_function->next_interface_function; \
149 next = next->next_interface_function; \
153 /* create unused pointer to silence compiler warnings and get whole
154 function optimized out */
155 #define _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,p) \
156 static __clib_unused void * __clib_unused_##f = f;
159 #define _VNET_INTERFACE_FUNCTION_DECL(f,tag) \
160 _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,VNET_ITF_FUNC_PRIORITY_LOW)
162 #define VNET_HW_INTERFACE_ADD_DEL_FUNCTION(f) \
163 _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_add_del)
164 #define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION(f) \
165 _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_link_up_down)
166 #define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION_PRIO(f,p) \
167 _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,hw_interface_link_up_down,p)
168 #define VNET_SW_INTERFACE_MTU_CHANGE_FUNCTION(f) \
169 _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_mtu_change)
170 #define VNET_SW_INTERFACE_ADD_DEL_FUNCTION(f) \
171 _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_add_del)
172 #define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION(f) \
173 _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_admin_up_down)
174 #define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION_PRIO(f,p) \
175 _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,sw_interface_admin_up_down, p)
177 /* A class of hardware interface devices. */
178 typedef struct _vnet_device_class
180 /* Index into main vector. */
183 /* Device name (e.g. "FOOBAR 1234a"). */
186 /* Function to call when hardware interface is added/deleted. */
187 vnet_interface_function_t *interface_add_del_function;
189 /* Function to bring device administratively up/down. */
190 vnet_interface_function_t *admin_up_down_function;
192 /* Function to call when sub-interface is added/deleted */
193 vnet_subif_add_del_function_t *subif_add_del_function;
195 /* Function to call interface rx mode is changed */
196 vnet_interface_set_rx_mode_function_t *rx_mode_change_function;
198 /* Function to call interface l2 mode is changed */
199 vnet_interface_set_l2_mode_function_t *set_l2_mode_function;
201 /* Redistribute flag changes/existence of this interface class. */
204 /* Transmit function. */
205 vlib_node_function_t *tx_function;
207 /* Transmit function candidate registration with priority */
208 vlib_node_fn_registration_t *tx_fn_registrations;
210 /* Error strings indexed by error code for this node. */
211 char **tx_function_error_strings;
213 /* Number of error codes used by this node. */
214 u32 tx_function_n_errors;
216 /* Renumber device name [only!] support, a control-plane kludge */
217 int (*name_renumber) (struct vnet_hw_interface_t * hi,
218 u32 new_dev_instance);
220 /* Interface flow offload operations */
221 vnet_flow_dev_ops_function_t *flow_ops_function;
223 /* Format device instance as name. */
224 format_function_t *format_device_name;
226 /* Parse function for device name. */
227 unformat_function_t *unformat_device_name;
229 /* Format device verbosely for this class. */
230 format_function_t *format_device;
232 /* Trace buffer format for TX function. */
233 format_function_t *format_tx_trace;
235 /* Format flow offload entry */
236 format_function_t *format_flow;
238 /* Function to clear hardware counters for device. */
239 void (*clear_counters) (u32 dev_class_instance);
241 uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
245 /* Called when hardware class of an interface changes. */
246 void (*hw_class_change) (struct vnet_main_t * vnm,
247 u32 hw_if_index, u32 new_hw_class_index);
249 /* Called to redirect traffic from a specific interface instance */
250 void (*rx_redirect_to_node) (struct vnet_main_t * vnm,
251 u32 hw_if_index, u32 node_index);
253 /* Link-list of all device classes set up by constructors created below */
254 struct _vnet_device_class *next_class_registration;
256 /* Function to set mac address. */
257 vnet_interface_set_mac_address_function_t *mac_addr_change_function;
258 } vnet_device_class_t;
260 #ifndef CLIB_MARCH_VARIANT
261 #define VNET_DEVICE_CLASS(x,...) \
262 __VA_ARGS__ vnet_device_class_t x; \
263 static void __vnet_add_device_class_registration_##x (void) \
264 __attribute__((__constructor__)) ; \
265 static void __vnet_add_device_class_registration_##x (void) \
267 vnet_main_t * vnm = vnet_get_main(); \
268 x.next_class_registration = vnm->device_class_registrations; \
269 vnm->device_class_registrations = &x; \
271 static void __vnet_rm_device_class_registration_##x (void) \
272 __attribute__((__destructor__)) ; \
273 static void __vnet_rm_device_class_registration_##x (void) \
275 vnet_main_t * vnm = vnet_get_main(); \
276 VLIB_REMOVE_FROM_LINKED_LIST (vnm->device_class_registrations, \
277 &x, next_class_registration); \
279 __VA_ARGS__ vnet_device_class_t x
281 /* create unused pointer to silence compiler warnings and get whole
282 function optimized out */
283 #define VNET_DEVICE_CLASS(x,...) \
284 static __clib_unused vnet_device_class_t __clib_unused_##x
287 #define VNET_DEVICE_CLASS_TX_FN(devclass) \
288 uword CLIB_MARCH_SFX (devclass##_tx_fn)(); \
289 static vlib_node_fn_registration_t \
290 CLIB_MARCH_SFX(devclass##_tx_fn_registration) = \
291 { .function = &CLIB_MARCH_SFX (devclass##_tx_fn), }; \
293 static void __clib_constructor \
294 CLIB_MARCH_SFX (devclass##_tx_fn_multiarch_register) (void) \
296 extern vnet_device_class_t devclass; \
297 vlib_node_fn_registration_t *r; \
298 r = &CLIB_MARCH_SFX (devclass##_tx_fn_registration); \
299 r->priority = CLIB_MARCH_FN_PRIORITY(); \
300 r->next_registration = devclass.tx_fn_registrations; \
301 devclass.tx_fn_registrations = r; \
303 uword CLIB_CPU_OPTIMIZED CLIB_MARCH_SFX (devclass##_tx_fn)
306 * Link Type: A description of the protocol of packets on the link.
307 * On an ethernet link this maps directly into the ethertype. On a GRE tunnel
308 * it maps to the GRE-proto, etc for other lnk types.
310 typedef enum vnet_link_t_
322 } __attribute__ ((packed)) vnet_link_t;
324 #define VNET_LINKS { \
325 [VNET_LINK_ETHERNET] = "ethernet", \
326 [VNET_LINK_IP4] = "ipv4", \
327 [VNET_LINK_IP6] = "ipv6", \
328 [VNET_LINK_MPLS] = "mpls", \
329 [VNET_LINK_ARP] = "arp", \
330 [VNET_LINK_NSH] = "nsh", \
333 #define FOR_EACH_VNET_LINK(_link) \
334 for (_link = VNET_LINK_IP4; \
335 _link <= VNET_LINK_NSH; \
339 * @brief Number of link types. Not part of the enum so it does not have to be included in
342 #define VNET_LINK_NUM (VNET_LINK_NSH+1)
345 * @brief Convert a link to to an Ethertype
347 extern vnet_l3_packet_type_t vnet_link_to_l3_proto (vnet_link_t link);
350 * @brief Attributes assignable to a HW interface Class.
352 typedef enum vnet_hw_interface_class_flags_t_
355 * @brief a point 2 point interface
357 VNET_HW_INTERFACE_CLASS_FLAG_P2P = (1 << 0),
358 } vnet_hw_interface_class_flags_t;
360 /* Layer-2 (e.g. Ethernet) interface class. */
361 typedef struct _vnet_hw_interface_class
363 /* Index into main vector. */
366 /* Class name (e.g. "Ethernet"). */
370 vnet_hw_interface_class_flags_t flags;
372 /* Function to call when hardware interface is added/deleted. */
373 vnet_interface_function_t *interface_add_del_function;
375 /* Function to bring interface administratively up/down. */
376 vnet_interface_function_t *admin_up_down_function;
378 /* Function to call when link state changes. */
379 vnet_interface_function_t *link_up_down_function;
381 /* Function to call when link MAC changes. */
382 vnet_interface_set_mac_address_function_t *mac_addr_change_function;
384 /* Format function to display interface name. */
385 format_function_t *format_interface_name;
387 /* Format function to display interface address. */
388 format_function_t *format_address;
390 /* Format packet header for this interface class. */
391 format_function_t *format_header;
393 /* Format device verbosely for this class. */
394 format_function_t *format_device;
396 /* Parser for hardware (e.g. ethernet) address. */
397 unformat_function_t *unformat_hw_address;
399 /* Parser for packet header for e.g. rewrite string. */
400 unformat_function_t *unformat_header;
402 /* Builds a rewrite string for the interface to the destination
403 * for the payload/link type. */
404 u8 *(*build_rewrite) (struct vnet_main_t * vnm,
406 vnet_link_t link_type, const void *dst_hw_address);
408 /* Update an adjacency added by FIB (as opposed to via the
409 * neighbour resolution protocol). */
410 void (*update_adjacency) (struct vnet_main_t * vnm,
411 u32 sw_if_index, u32 adj_index);
413 uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
417 /* Called when hw interface class is changed and old hardware instance
418 may want to be deleted. */
419 void (*hw_class_change) (struct vnet_main_t * vnm, u32 hw_if_index,
420 u32 old_class_index, u32 new_class_index);
422 /* List of hw interface classes, built by constructors */
423 struct _vnet_hw_interface_class *next_class_registration;
425 } vnet_hw_interface_class_t;
428 * @brief Return a complete, zero-length (aka dummy) rewrite
430 extern u8 *default_build_rewrite (struct vnet_main_t *vnm,
432 vnet_link_t link_type,
433 const void *dst_hw_address);
436 * @brief Default adjacency update function
438 extern void default_update_adjacency (struct vnet_main_t *vnm,
439 u32 sw_if_index, u32 adj_index);
441 #define VNET_HW_INTERFACE_CLASS(x,...) \
442 __VA_ARGS__ vnet_hw_interface_class_t x; \
443 static void __vnet_add_hw_interface_class_registration_##x (void) \
444 __attribute__((__constructor__)) ; \
445 static void __vnet_add_hw_interface_class_registration_##x (void) \
447 vnet_main_t * vnm = vnet_get_main(); \
448 x.next_class_registration = vnm->hw_interface_class_registrations; \
449 vnm->hw_interface_class_registrations = &x; \
451 static void __vnet_rm_hw_interface_class_registration_##x (void) \
452 __attribute__((__destructor__)) ; \
453 static void __vnet_rm_hw_interface_class_registration_##x (void) \
455 vnet_main_t * vnm = vnet_get_main(); \
456 VLIB_REMOVE_FROM_LINKED_LIST (vnm->hw_interface_class_registrations,\
457 &x, next_class_registration); \
459 __VA_ARGS__ vnet_hw_interface_class_t x
461 typedef enum vnet_hw_interface_flags_t_
463 VNET_HW_INTERFACE_FLAG_NONE,
464 /* Hardware link state is up. */
465 VNET_HW_INTERFACE_FLAG_LINK_UP = (1 << 0),
466 /* Hardware duplex state */
467 VNET_HW_INTERFACE_FLAG_HALF_DUPLEX = (1 << 1),
468 VNET_HW_INTERFACE_FLAG_FULL_DUPLEX = (1 << 2),
471 VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE = (1 << 16),
473 /* tx checksum offload */
474 VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD = (1 << 17),
477 VNET_HW_INTERFACE_FLAG_SUPPORTS_GSO = (1 << 18),
478 } vnet_hw_interface_flags_t;
480 #define VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT 1
481 #define VNET_HW_INTERFACE_FLAG_SPEED_SHIFT 3
482 #define VNET_HW_INTERFACE_FLAG_DUPLEX_MASK \
483 (VNET_HW_INTERFACE_FLAG_HALF_DUPLEX | \
484 VNET_HW_INTERFACE_FLAG_FULL_DUPLEX)
486 /* Hardware-interface. This corresponds to a physical wire
487 that packets flow over. */
488 typedef struct vnet_hw_interface_t
490 /* Interface name. */
494 vnet_hw_interface_flags_t flags;
497 /* link speed in kbps */
500 /* Hardware address as vector. Zero (e.g. zero-length vector) if no
501 address for this class (e.g. PPP). */
504 /* Interface is up as far as software is concerned. */
505 /* NAME.{output,tx} nodes for this interface. */
506 u32 output_node_index, tx_node_index;
508 /* (dev_class, dev_instance) uniquely identifies hw interface. */
512 /* (hw_class, hw_instance) uniquely identifies hw interface. */
516 /* Hardware index for this hardware interface. */
519 /* Software index for this hardware interface. */
522 /* Next index in interface-output node for this interface
523 used by node function vnet_per_buffer_interface_output() */
524 u32 output_node_next_index;
526 /* Maximum transmit rate for this interface in bits/sec. */
527 f64 max_rate_bits_per_sec;
529 /* Smallest packet size supported by this interface. */
530 u32 min_supported_packet_bytes;
532 /* Largest packet size supported by this interface. */
533 u32 max_supported_packet_bytes;
535 /* Smallest packet size for this interface. */
536 u32 min_packet_bytes;
538 /* Largest packet size for this interface. */
539 u32 max_packet_bytes;
541 /* Hash table mapping sub interface id to sw_if_index. */
542 uword *sub_interface_sw_if_index_by_id;
544 /* Count of number of L2 subinterfaces */
547 /* Bonded interface info -
548 0 - not a bonded interface nor a slave
549 ~0 - slave to a bonded interface
550 others - A bonded interface with a pointer to bitmap for all slaves */
552 #define VNET_HW_INTERFACE_BOND_INFO_NONE ((uword *) 0)
553 #define VNET_HW_INTERFACE_BOND_INFO_SLAVE ((uword *) ~0)
556 u32 input_node_index;
558 /* input node cpu index by queue */
559 u32 *input_node_thread_index_by_queue;
561 /* vnet_hw_interface_rx_mode by queue */
562 u8 *rx_mode_by_queue;
563 vnet_hw_interface_rx_mode default_rx_mode;
565 /* device input device_and_queue runtime index */
566 uword *dq_runtime_index_by_queue;
568 } vnet_hw_interface_t;
570 extern vnet_device_class_t vnet_local_interface_device_class;
574 /* A hw interface. */
575 VNET_SW_INTERFACE_TYPE_HARDWARE,
577 /* A sub-interface. */
578 VNET_SW_INTERFACE_TYPE_SUB,
579 VNET_SW_INTERFACE_TYPE_P2P,
580 VNET_SW_INTERFACE_TYPE_PIPE,
581 } vnet_sw_interface_type_t;
586 * Subinterface ID. A number 0-N to uniquely identify
587 * this subinterface under the main (parent?) interface
591 /* Classification data. Used to associate packet header with subinterface. */
604 u16 dot1ad:1; /* 0 = dot1q, 1=dot1ad */
607 u16 outer_vlan_id_any:1;
608 u16 inner_vlan_id_any:1;
612 } vnet_sub_interface_t;
617 * Subinterface ID. A number 0-N to uniquely identify
618 * this subinterface under the main interface
623 } vnet_p2p_sub_interface_t;
627 /* THe BVI interface */
628 VNET_FLOOD_CLASS_BVI,
630 VNET_FLOOD_CLASS_NORMAL,
631 VNET_FLOOD_CLASS_TUNNEL_MASTER,
632 /* Does not flood when tunnel master is in the same L2 BD */
633 VNET_FLOOD_CLASS_TUNNEL_NORMAL,
634 /* Never flood to this type */
635 VNET_FLOOD_CLASS_NO_FLOOD,
636 } vnet_flood_class_t;
638 /* Per protocol MTU */
641 VNET_MTU_L3, /* Default payload MTU (without L2 headers) */
642 VNET_MTU_IP4, /* Per-protocol MTUs overriding default */
648 extern vnet_mtu_t vnet_link_to_mtu (vnet_link_t link);
650 typedef enum vnet_sw_interface_flags_t_
652 VNET_SW_INTERFACE_FLAG_NONE = 0,
653 /* Interface is "up" meaning administratively up.
654 Up in the sense of link state being up is maintained by hardware interface. */
655 VNET_SW_INTERFACE_FLAG_ADMIN_UP = (1 << 0),
657 /* Interface is disabled for forwarding: punt all traffic to slow-path. */
658 VNET_SW_INTERFACE_FLAG_PUNT = (1 << 1),
660 VNET_SW_INTERFACE_FLAG_PROXY_ARP = (1 << 2),
662 VNET_SW_INTERFACE_FLAG_UNNUMBERED = (1 << 3),
664 VNET_SW_INTERFACE_FLAG_BOND_SLAVE = (1 << 4),
666 /* Interface does not appear in CLI/API */
667 VNET_SW_INTERFACE_FLAG_HIDDEN = (1 << 5),
669 /* Interface in ERROR state */
670 VNET_SW_INTERFACE_FLAG_ERROR = (1 << 6),
672 /* Interface has IP configured directed broadcast */
673 VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST = (1 << 7),
675 } __attribute__ ((packed)) vnet_sw_interface_flags_t;
677 /* Software-interface. This corresponds to a Ethernet VLAN, ATM vc, a
678 tunnel, etc. Configuration (e.g. IP address) gets attached to
679 software interface. */
682 vnet_sw_interface_type_t type:16;
684 vnet_sw_interface_flags_t flags;
686 /* Index for this interface. */
689 /* Software interface index of super-interface;
690 equal to sw_if_index if this interface is not a
694 /* this swif is unnumbered, use addresses on unnumbered_sw_if_index... */
695 u32 unnumbered_sw_if_index;
697 /* VNET_SW_INTERFACE_TYPE_HARDWARE. */
700 /* MTU for network layer (not including L2 headers) */
703 /* VNET_SW_INTERFACE_TYPE_SUB. */
704 vnet_sub_interface_t sub;
706 /* VNET_SW_INTERFACE_TYPE_P2P. */
707 vnet_p2p_sub_interface_t p2p;
709 vnet_flood_class_t flood_class;
710 } vnet_sw_interface_t;
714 /* Simple counters. */
715 VNET_INTERFACE_COUNTER_DROP = 0,
716 VNET_INTERFACE_COUNTER_PUNT = 1,
717 VNET_INTERFACE_COUNTER_IP4 = 2,
718 VNET_INTERFACE_COUNTER_IP6 = 3,
719 VNET_INTERFACE_COUNTER_RX_NO_BUF = 4,
720 VNET_INTERFACE_COUNTER_RX_MISS = 5,
721 VNET_INTERFACE_COUNTER_RX_ERROR = 6,
722 VNET_INTERFACE_COUNTER_TX_ERROR = 7,
723 VNET_INTERFACE_COUNTER_MPLS = 8,
724 VNET_N_SIMPLE_INTERFACE_COUNTER = 9,
725 /* Combined counters. */
726 VNET_INTERFACE_COUNTER_RX = 0,
727 VNET_INTERFACE_COUNTER_RX_UNICAST = 1,
728 VNET_INTERFACE_COUNTER_RX_MULTICAST = 2,
729 VNET_INTERFACE_COUNTER_RX_BROADCAST = 3,
730 VNET_INTERFACE_COUNTER_TX = 4,
731 VNET_INTERFACE_COUNTER_TX_UNICAST = 5,
732 VNET_INTERFACE_COUNTER_TX_MULTICAST = 6,
733 VNET_INTERFACE_COUNTER_TX_BROADCAST = 7,
734 VNET_N_COMBINED_INTERFACE_COUNTER = 8,
735 } vnet_interface_counter_type_t;
737 #define foreach_rx_combined_interface_counter(_x) \
738 for (_x = VNET_INTERFACE_COUNTER_RX; \
739 _x <= VNET_INTERFACE_COUNTER_RX_BROADCAST; \
742 #define foreach_tx_combined_interface_counter(_x) \
743 for (_x = VNET_INTERFACE_COUNTER_TX; \
744 _x <= VNET_INTERFACE_COUNTER_TX_BROADCAST; \
747 #define foreach_simple_interface_counter_name \
752 _(RX_NO_BUF, rx-no-buf, if) \
753 _(RX_MISS, rx-miss, if) \
754 _(RX_ERROR, rx-error, if) \
755 _(TX_ERROR, tx-error, if) \
758 #define foreach_combined_interface_counter_name \
760 _(RX_UNICAST, rx-unicast, if) \
761 _(RX_MULTICAST, rx-multicast, if) \
762 _(RX_BROADCAST, rx-broadcast, if) \
764 _(TX_UNICAST, tx-unicast-miss, if) \
765 _(TX_MULTICAST, tx-multicast, if) \
766 _(TX_BROADCAST, tx-broadcast, if)
770 COLLECT_SIMPLE_STATS = 0,
771 COLLECT_DETAILED_STATS = 1,
772 } vnet_interface_stats_collection_mode_e;
774 extern int collect_detailed_interface_stats_flag;
777 collect_detailed_interface_stats (void)
779 return collect_detailed_interface_stats_flag;
782 void collect_detailed_interface_stats_flag_set (void);
783 void collect_detailed_interface_stats_flag_clear (void);
788 u32 output_node_index;
790 } vnet_hw_interface_nodes_t;
796 } vnet_interface_per_thread_data_t;
800 /* Hardware interfaces. */
801 vnet_hw_interface_t *hw_interfaces;
803 /* Hash table mapping HW interface name to index. */
804 uword *hw_interface_by_name;
806 /* Vectors if hardware interface classes and device classes. */
807 vnet_hw_interface_class_t *hw_interface_classes;
808 vnet_device_class_t *device_classes;
810 /* Hash table mapping name to hw interface/device class. */
811 uword *hw_interface_class_by_name;
812 uword *device_class_by_name;
814 /* Software interfaces. */
815 vnet_sw_interface_t *sw_interfaces;
817 /* Hash table mapping sub intfc sw_if_index by sup sw_if_index and sub id */
818 uword *sw_if_index_by_sup_and_sub;
820 /* Software interface counters both simple and combined
821 packet and byte counters. */
822 volatile u32 *sw_if_counter_lock;
823 vlib_simple_counter_main_t *sw_if_counters;
824 vlib_combined_counter_main_t *combined_sw_if_counters;
826 vnet_hw_interface_nodes_t *deleted_hw_interface_nodes;
828 /* pcap drop tracing */
829 int drop_pcap_enable;
830 pcap_main_t pcap_main;
832 u32 pcap_sw_if_index;
833 u32 pcap_pkts_to_capture;
834 uword *pcap_drop_filter_hash;
836 /* per-thread data */
837 vnet_interface_per_thread_data_t *per_thread_data;
839 /* enable GSO processing in packet path if this count is > 0 */
840 u32 gso_interface_count;
842 /* feature_arc_index */
843 u8 output_feature_arc_index;
844 } vnet_interface_main_t;
847 vnet_interface_counter_lock (vnet_interface_main_t * im)
849 if (im->sw_if_counter_lock)
850 while (clib_atomic_test_and_set (im->sw_if_counter_lock))
855 vnet_interface_counter_unlock (vnet_interface_main_t * im)
857 if (im->sw_if_counter_lock)
858 clib_atomic_release (im->sw_if_counter_lock);
861 void vnet_pcap_drop_trace_filter_add_del (u32 error_index, int is_add);
863 int vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance);
865 uword vnet_interface_output_node (vlib_main_t * vm,
866 vlib_node_runtime_t * node,
867 vlib_frame_t * frame);
869 #endif /* included_vnet_interface_h */
872 * fd.io coding-style-patch-verification: ON
875 * eval: (c-set-style "gnu")