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718e3744 1/* Interface related header.
896014f4
DL		 2 * Copyright (C) 1997, 98, 99 Kunihiro Ishiguro
3 *
4 * This file is part of GNU Zebra.
5 *
6 * GNU Zebra is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published
8 * by the Free Software Foundation; either version 2, or (at your
9 * option) any later version.
10 *
11 * GNU Zebra is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program; see the file COPYING; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 */
718e3744 20
21#ifndef _ZEBRA_IF_H
22#define _ZEBRA_IF_H
23
b892f1dd 24#include "zebra.h"
718e3744 25#include "linklist.h"
4a1ab8e4 26#include "memory.h"
e80e7cce 27#include "qobj.h"
ce19a04a 28#include "hook.h"
4a1ab8e4 29
5e244469
RW		 30#ifdef __cplusplus
31extern "C" {
32#endif
33
4a1ab8e4 34DECLARE_MTYPE(CONNECTED_LABEL)
718e3744 35
8ccc7e80
TT		 36/* Interface link-layer type, if known. Derived from:
37 *
38 * net/if_arp.h on various platforms - Linux especially.
39 * http://www.iana.org/assignments/arp-parameters/arp-parameters.xhtml
40 *
41 * Some of the more obviously defunct technologies left out.
42 */
43enum zebra_link_type {
d62a17ae 44 ZEBRA_LLT_UNKNOWN = 0,
45 ZEBRA_LLT_ETHER,
46 ZEBRA_LLT_EETHER,
47 ZEBRA_LLT_AX25,
48 ZEBRA_LLT_PRONET,
49 ZEBRA_LLT_IEEE802,
50 ZEBRA_LLT_ARCNET,
51 ZEBRA_LLT_APPLETLK,
52 ZEBRA_LLT_DLCI,
53 ZEBRA_LLT_ATM,
54 ZEBRA_LLT_METRICOM,
55 ZEBRA_LLT_IEEE1394,
56 ZEBRA_LLT_EUI64,
57 ZEBRA_LLT_INFINIBAND,
58 ZEBRA_LLT_SLIP,
59 ZEBRA_LLT_CSLIP,
60 ZEBRA_LLT_SLIP6,
61 ZEBRA_LLT_CSLIP6,
62 ZEBRA_LLT_RSRVD,
63 ZEBRA_LLT_ADAPT,
64 ZEBRA_LLT_ROSE,
65 ZEBRA_LLT_X25,
66 ZEBRA_LLT_PPP,
67 ZEBRA_LLT_CHDLC,
68 ZEBRA_LLT_LAPB,
69 ZEBRA_LLT_RAWHDLC,
70 ZEBRA_LLT_IPIP,
71 ZEBRA_LLT_IPIP6,
72 ZEBRA_LLT_FRAD,
73 ZEBRA_LLT_SKIP,
74 ZEBRA_LLT_LOOPBACK,
75 ZEBRA_LLT_LOCALTLK,
76 ZEBRA_LLT_FDDI,
77 ZEBRA_LLT_SIT,
78 ZEBRA_LLT_IPDDP,
79 ZEBRA_LLT_IPGRE,
80 ZEBRA_LLT_IP6GRE,
81 ZEBRA_LLT_PIMREG,
82 ZEBRA_LLT_HIPPI,
83 ZEBRA_LLT_ECONET,
84 ZEBRA_LLT_IRDA,
85 ZEBRA_LLT_FCPP,
86 ZEBRA_LLT_FCAL,
87 ZEBRA_LLT_FCPL,
88 ZEBRA_LLT_FCFABRIC,
89 ZEBRA_LLT_IEEE802_TR,
90 ZEBRA_LLT_IEEE80211,
91 ZEBRA_LLT_IEEE80211_RADIOTAP,
92 ZEBRA_LLT_IEEE802154,
93 ZEBRA_LLT_IEEE802154_PHY,
8ccc7e80
TT		 94};
95
718e3744 96/*
97 Interface name length.
98
99 Linux define value in /usr/include/linux/if.h.
100 #define IFNAMSIZ 16
101
102 FreeBSD define value in /usr/include/net/if.h.
103 #define IFNAMSIZ 16
104*/
105
106#define INTERFACE_NAMSIZ 20
107#define INTERFACE_HWADDR_MAX 20
108
b892f1dd
PJ		 109typedef signed int ifindex_t;
110
718e3744 111#ifdef HAVE_PROC_NET_DEV
d62a17ae 112struct if_stats {
113 unsigned long rx_packets; /* total packets received */
114 unsigned long tx_packets; /* total packets transmitted */
115 unsigned long rx_bytes; /* total bytes received */
116 unsigned long tx_bytes; /* total bytes transmitted */
117 unsigned long rx_errors; /* bad packets received */
118 unsigned long tx_errors; /* packet transmit problems */
119 unsigned long rx_dropped; /* no space in linux buffers */
120 unsigned long tx_dropped; /* no space available in linux */
121 unsigned long rx_multicast; /* multicast packets received */
122 unsigned long rx_compressed;
123 unsigned long tx_compressed;
124 unsigned long collisions;
125
126 /* detailed rx_errors: */
127 unsigned long rx_length_errors;
128 unsigned long rx_over_errors; /* receiver ring buff overflow */
129 unsigned long rx_crc_errors; /* recved pkt with crc error */
130 unsigned long rx_frame_errors; /* recv'd frame alignment error */
131 unsigned long rx_fifo_errors; /* recv'r fifo overrun */
132 unsigned long rx_missed_errors; /* receiver missed packet */
133 /* detailed tx_errors */
134 unsigned long tx_aborted_errors;
135 unsigned long tx_carrier_errors;
136 unsigned long tx_fifo_errors;
137 unsigned long tx_heartbeat_errors;
138 unsigned long tx_window_errors;
718e3744 139};
140#endif /* HAVE_PROC_NET_DEV */
141
16f1b9ee
OD		 142/* Here are "non-official" architectural constants. */
143#define TE_EXT_MASK 0x0FFFFFFF
144#define TE_EXT_ANORMAL 0x80000000
145#define LOSS_PRECISION 0.000003
5eb567ed 146#define TE_MEGA_BIT 1000000
16f1b9ee
OD		 147#define TE_BYTE 8
148#define DEFAULT_BANDWIDTH 10000
149#define MAX_CLASS_TYPE 8
150#define MAX_PKT_LOSS 50.331642
151
daf0a4d2
OD		 152/*
153 * Link Parameters Status:
154 * equal to 0: unset
155 * different from 0: set
156 */
16f1b9ee 157#define LP_UNSET 0x0000
daf0a4d2 158#define LP_TE_METRIC 0x0001
16f1b9ee
OD		 159#define LP_MAX_BW 0x0002
160#define LP_MAX_RSV_BW 0x0004
161#define LP_UNRSV_BW 0x0008
162#define LP_ADM_GRP 0x0010
163#define LP_RMT_AS 0x0020
164#define LP_DELAY 0x0040
165#define LP_MM_DELAY 0x0080
166#define LP_DELAY_VAR 0x0100
167#define LP_PKT_LOSS 0x0200
168#define LP_RES_BW 0x0400
169#define LP_AVA_BW 0x0800
170#define LP_USE_BW 0x1000
171
172#define IS_PARAM_UNSET(lp, st) !(lp->lp_status & st)
173#define IS_PARAM_SET(lp, st) (lp->lp_status & st)
174#define IS_LINK_PARAMS_SET(lp) (lp->lp_status != LP_UNSET)
175
176#define SET_PARAM(lp, st) (lp->lp_status) |= (st)
177#define UNSET_PARAM(lp, st) (lp->lp_status) &= ~(st)
178#define RESET_LINK_PARAM(lp) (lp->lp_status = LP_UNSET)
179
180/* Link Parameters for Traffic Engineering */
181struct if_link_params {
d7c0a89a
QY		 182 uint32_t lp_status; /* Status of Link Parameters: */
183 uint32_t te_metric; /* Traffic Engineering metric */
d62a17ae 184 float default_bw;
185 float max_bw; /* Maximum Bandwidth */
186 float max_rsv_bw; /* Maximum Reservable Bandwidth */
187 float unrsv_bw[MAX_CLASS_TYPE]; /* Unreserved Bandwidth per Class Type
188 (8) */
d7c0a89a
QY		 189 uint32_t admin_grp; /* Administrative group */
190 uint32_t rmt_as; /* Remote AS number */
d62a17ae 191 struct in_addr rmt_ip; /* Remote IP address */
d7c0a89a
QY		 192 uint32_t av_delay; /* Link Average Delay */
193 uint32_t min_delay; /* Link Min Delay */
194 uint32_t max_delay; /* Link Max Delay */
195 uint32_t delay_var; /* Link Delay Variation */
d62a17ae 196 float pkt_loss; /* Link Packet Loss */
197 float res_bw; /* Residual Bandwidth */
198 float ava_bw; /* Available Bandwidth */
199 float use_bw; /* Utilized Bandwidth */
16f1b9ee
OD		 200};
201
202#define INTERFACE_LINK_PARAMS_SIZE sizeof(struct if_link_params)
203#define HAS_LINK_PARAMS(ifp) ((ifp)->link_params != NULL)
204
718e3744 205/* Interface structure */
d62a17ae 206struct interface {
ff880b78 207 RB_ENTRY(interface) name_entry, index_entry;
f4e14fdb 208
d62a17ae 209 /* Interface name. This should probably never be changed after the
210 interface is created, because the configuration info for this
211 interface
212 is associated with this structure. For that reason, the interface
213 should also never be deleted (to avoid losing configuration info).
214 To delete, just set ifindex to IFINDEX_INTERNAL to indicate that the
215 interface does not exist in the kernel.
216 */
bcc24579 217 char name[INTERFACE_NAMSIZ];
d62a17ae 218
219 /* Interface index (should be IFINDEX_INTERNAL for non-kernel or
ff880b78
RW		 220 deleted interfaces).
221 WARNING: the ifindex needs to be changed using the if_set_index()
222 function. Failure to respect this will cause corruption in the data
223 structure used to store the interfaces and if_lookup_by_index() will
224 not work as expected.
225 */
d62a17ae 226 ifindex_t ifindex;
e7ff0253
DS		 227 ifindex_t oldifindex;
228
53e60e5c
QY		 229 /*
230 * ifindex of parent interface, if any
231 */
232 ifindex_t link_ifindex;
d2fc8896 233#define IFINDEX_INTERNAL 0
718e3744 234
d62a17ae 235 /* Zebra internal interface status */
d7c0a89a 236 uint8_t status;
718e3744 237#define ZEBRA_INTERFACE_ACTIVE (1 << 0)
238#define ZEBRA_INTERFACE_SUB (1 << 1)
2e3b2e47 239#define ZEBRA_INTERFACE_LINKDETECTION (1 << 2)
c23af4d3 240#define ZEBRA_INTERFACE_VRF_LOOPBACK (1 << 3)
525c1839 241
d62a17ae 242 /* Interface flags. */
243 uint64_t flags;
718e3744 244
d62a17ae 245 /* Interface metric */
246 uint32_t metric;
718e3744 247
d62a17ae 248 /* Interface Speed in Mb/s */
249 uint32_t speed;
2d7f0d76 250
d62a17ae 251 /* Interface MTU. */
252 unsigned int mtu; /* IPv4 MTU */
253 unsigned int
254 mtu6; /* IPv6 MTU - probably, but not neccessarily same as mtu
9d303b37 255 */
718e3744 256
d62a17ae 257 /* Link-layer information and hardware address */
258 enum zebra_link_type ll_type;
d7c0a89a 259 uint8_t hw_addr[INTERFACE_HWADDR_MAX];
d62a17ae 260 int hw_addr_len;
718e3744 261
d62a17ae 262 /* interface bandwidth, kbits */
263 unsigned int bandwidth;
16f1b9ee 264
d62a17ae 265 /* Link parameters for Traffic Engineering */
266 struct if_link_params *link_params;
718e3744 267
d62a17ae 268 /* description of the interface. */
269 char *desc;
718e3744 270
d62a17ae 271 /* Distribute list. */
272 void *distribute_in;
273 void *distribute_out;
718e3744 274
d62a17ae 275 /* Connected address list. */
276 struct list *connected;
a80beece 277
d62a17ae 278 /* Neighbor connected address list. */
279 struct list *nbr_connected;
718e3744 280
d62a17ae 281 /* Daemon specific interface data pointer. */
282 void *info;
244c1cdc 283
d62a17ae 284 char ptm_enable; /* Should we look at ptm_status ? */
285 char ptm_status;
286
287/* Statistics fileds. */
718e3744 288#ifdef HAVE_PROC_NET_DEV
d62a17ae 289 struct if_stats stats;
290#endif /* HAVE_PROC_NET_DEV */
718e3744 291#ifdef HAVE_NET_RT_IFLIST
d62a17ae 292 struct if_data stats;
718e3744 293#endif /* HAVE_NET_RT_IFLIST */
3968dbf8 294
d62a17ae 295 struct route_node *node;
a36898e7 296 vrf_id_t vrf_id;
e80e7cce 297
1d311a05
DS		 298 /*
299 * Has the end users entered `interface XXXX` from the cli in some
300 * fashion?
301 */
302 bool configured;
303
d62a17ae 304 QOBJ_FIELDS
718e3744 305};
0c74bbe0 306
f4e14fdb 307RB_HEAD(if_name_head, interface);
f3dd45d1 308RB_PROTOTYPE(if_name_head, interface, name_entry, if_cmp_func)
ff880b78 309RB_HEAD(if_index_head, interface);
db8d54b0 310RB_PROTOTYPE(if_index_head, interface, index_entry, if_cmp_index_func)
e80e7cce 311DECLARE_QOBJ_TYPE(interface)
718e3744 312
67f81586
QY		 313#define IFNAME_RB_INSERT(vrf, ifp) \
314 ({ \
315 struct interface *_iz = \
316 RB_INSERT(if_name_head, &vrf->ifaces_by_name, (ifp)); \
317 if (_iz) \
318 flog_err( \
319 EC_LIB_INTERFACE, \
320 "%s(%s): corruption detected -- interface with this " \
321 "name exists already in VRF %u!", \
322 __func__, (ifp)->name, (ifp)->vrf_id); \
323 _iz; \
324 })
325
326#define IFNAME_RB_REMOVE(vrf, ifp) \
327 ({ \
328 struct interface *_iz = \
329 RB_REMOVE(if_name_head, &vrf->ifaces_by_name, (ifp)); \
330 if (_iz == NULL) \
331 flog_err( \
332 EC_LIB_INTERFACE, \
333 "%s(%s): corruption detected -- interface with this " \
334 "name doesn't exist in VRF %u!", \
335 __func__, (ifp)->name, (ifp)->vrf_id); \
336 _iz; \
337 })
338
339
340#define IFINDEX_RB_INSERT(vrf, ifp) \
341 ({ \
342 struct interface *_iz = RB_INSERT( \
343 if_index_head, &vrf->ifaces_by_index, (ifp)); \
344 if (_iz) \
345 flog_err( \
346 EC_LIB_INTERFACE, \
347 "%s(%u): corruption detected -- interface with this " \
348 "ifindex exists already in VRF %u!", \
349 __func__, (ifp)->ifindex, (ifp)->vrf_id); \
350 _iz; \
351 })
352
353#define IFINDEX_RB_REMOVE(vrf, ifp) \
354 ({ \
355 struct interface *_iz = RB_REMOVE( \
356 if_index_head, &vrf->ifaces_by_index, (ifp)); \
357 if (_iz == NULL) \
358 flog_err( \
359 EC_LIB_INTERFACE, \
360 "%s(%u): corruption detected -- interface with this " \
361 "ifindex doesn't exist in VRF %u!", \
362 __func__, (ifp)->ifindex, (ifp)->vrf_id); \
363 _iz; \
364 })
ff880b78 365
451fda4f
RW		 366#define FOR_ALL_INTERFACES(vrf, ifp) \
367 if (vrf) \
368 RB_FOREACH (ifp, if_name_head, &vrf->ifaces_by_name)
369
370#define FOR_ALL_INTERFACES_ADDRESSES(ifp, connected, node) \
371 for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, connected))
372
ce19a04a
DL		 373/* called from the library code whenever interfaces are created/deleted
374 * note: interfaces may not be fully realized at that point; also they
375 * may not exist in the system (ifindex = IFINDEX_INTERNAL)
376 *
377 * priority values are important here, daemons should be at 0 while modules
378 * can use 1000+ so they run after the daemon has initialised daemon-specific
379 * interface data
380 */
996c9314
LB		 381DECLARE_HOOK(if_add, (struct interface * ifp), (ifp))
382DECLARE_KOOH(if_del, (struct interface * ifp), (ifp))
ce19a04a 383
cde1af84
AK		 384#define METRIC_MAX (~0)
385
718e3744 386/* Connected address structure. */
d62a17ae 387struct connected {
388 /* Attached interface. */
389 struct interface *ifp;
718e3744 390
d62a17ae 391 /* Flags for configuration. */
d7c0a89a 392 uint8_t conf;
718e3744 393#define ZEBRA_IFC_REAL (1 << 0)
394#define ZEBRA_IFC_CONFIGURED (1 << 1)
f7f740fe 395#define ZEBRA_IFC_QUEUED (1 << 2)
d62a17ae 396 /*
397 The ZEBRA_IFC_REAL flag should be set if and only if this address
398 exists in the kernel and is actually usable. (A case where it exists
399 but
400 is not yet usable would be IPv6 with DAD)
401 The ZEBRA_IFC_CONFIGURED flag should be set if and only if this
402 address
403 was configured by the user from inside quagga.
404 The ZEBRA_IFC_QUEUED flag should be set if and only if the address
405 exists
406 in the kernel. It may and should be set although the address might
407 not be
408 usable yet. (compare with ZEBRA_IFC_REAL)
409 */
410
411 /* Flags for connected address. */
d7c0a89a 412 uint8_t flags;
e4529636
AS		 413#define ZEBRA_IFA_SECONDARY (1 << 0)
414#define ZEBRA_IFA_PEER (1 << 1)
525c1839 415#define ZEBRA_IFA_UNNUMBERED (1 << 2)
d62a17ae 416 /* N.B. the ZEBRA_IFA_PEER flag should be set if and only if
417 a peer address has been configured. If this flag is set,
418 the destination field must contain the peer address.
d62a17ae 419 */
420
421 /* Address of connected network. */
422 struct prefix *address;
423
0f3af738 424 /* Peer address, if ZEBRA_IFA_PEER is set, otherwise NULL */
d62a17ae 425 struct prefix *destination;
426
427 /* Label for Linux 2.2.X and upper. */
428 char *label;
cde1af84
AK		 429
430 /*
431 * Used for setting the connected route's cost. If the metric
432 * here is set to METRIC_MAX the connected route falls back to
433 * "struct interface"
434 */
435 uint32_t metric;
718e3744 436};
437
a80beece 438/* Nbr Connected address structure. */
d62a17ae 439struct nbr_connected {
440 /* Attached interface. */
441 struct interface *ifp;
a80beece 442
d62a17ae 443 /* Address of connected network. */
444 struct prefix *address;
a80beece
DS		 445};
446
e4529636
AS		 447/* Does the destination field contain a peer address? */
448#define CONNECTED_PEER(C) CHECK_FLAG((C)->flags, ZEBRA_IFA_PEER)
449
450/* Prefix to insert into the RIB */
d62a17ae 451#define CONNECTED_PREFIX(C) \
e4529636 452 (CONNECTED_PEER(C) ? (C)->destination : (C)->address)
3fb9cd6e 453
e4529636
AS		 454/* Identifying address. We guess that if there's a peer address, but the
455 local address is in the same prefix, then the local address may be unique. */
d62a17ae 456#define CONNECTED_ID(C) \
457 ((CONNECTED_PEER(C) && !prefix_match((C)->destination, (C)->address)) \
458 ? (C)->destination \
459 : (C)->address)
3fb9cd6e 460
718e3744 461/* There are some interface flags which are only supported by some
462 operating system. */
463
464#ifndef IFF_NOTRAILERS
465#define IFF_NOTRAILERS 0x0
466#endif /* IFF_NOTRAILERS */
467#ifndef IFF_OACTIVE
468#define IFF_OACTIVE 0x0
469#endif /* IFF_OACTIVE */
470#ifndef IFF_SIMPLEX
471#define IFF_SIMPLEX 0x0
472#endif /* IFF_SIMPLEX */
473#ifndef IFF_LINK0
474#define IFF_LINK0 0x0
475#endif /* IFF_LINK0 */
476#ifndef IFF_LINK1
477#define IFF_LINK1 0x0
478#endif /* IFF_LINK1 */
479#ifndef IFF_LINK2
480#define IFF_LINK2 0x0
481#endif /* IFF_LINK2 */
4ba9b924 482#ifndef IFF_NOXMIT
483#define IFF_NOXMIT 0x0
484#endif /* IFF_NOXMIT */
485#ifndef IFF_NORTEXCH
486#define IFF_NORTEXCH 0x0
487#endif /* IFF_NORTEXCH */
488#ifndef IFF_IPV4
489#define IFF_IPV4 0x0
490#endif /* IFF_IPV4 */
491#ifndef IFF_IPV6
492#define IFF_IPV6 0x0
493#endif /* IFF_IPV6 */
494#ifndef IFF_VIRTUAL
495#define IFF_VIRTUAL 0x0
496#endif /* IFF_VIRTUAL */
718e3744 497
498/* Prototypes. */
36de6e0e 499extern int if_cmp_name_func(const char *p1, const char *p2);
d62a17ae 500
14fcc65c
DS		 501/*
502 * Passing in VRF_UNKNOWN is a valid thing to do, unless we
503 * are creating a new interface.
504 *
505 * This is useful for vrf route-leaking. So more than anything
506 * else think before you use VRF_UNKNOWN
507 */
a36898e7 508extern void if_update_to_new_vrf(struct interface *, vrf_id_t vrf_id);
d5c65bf1
SW		 509
510/* Create new interface, adds to name list only */
511extern struct interface *if_create_name(const char *name, vrf_id_t vrf_id);
512
513/* Create new interface, adds to index list only */
bd23c840 514extern struct interface *if_create_ifindex(ifindex_t ifindex, vrf_id_t vrf_id);
d62a17ae 515extern struct interface *if_lookup_by_index(ifindex_t, vrf_id_t vrf_id);
ea7ec261 516extern struct interface *if_lookup_by_index_all_vrf(ifindex_t);
0b700537
RW		 517extern struct interface *if_lookup_exact_address(const void *matchaddr,
518 int family, vrf_id_t vrf_id);
519extern struct connected *if_lookup_address(const void *matchaddr, int family,
d62a17ae 520 vrf_id_t vrf_id);
0b700537 521extern struct interface *if_lookup_prefix(const struct prefix *prefix,
d62a17ae 522 vrf_id_t vrf_id);
dad18a2f
QY		 523size_t if_lookup_by_hwaddr(const uint8_t *hw_addr, size_t addrsz,
524 struct interface ***result, vrf_id_t vrf_id);
8736158a 525
a2719d0e 526struct vrf;
d62a17ae 527extern struct interface *if_lookup_by_name_all_vrf(const char *ifname);
a2719d0e 528extern struct interface *if_lookup_by_name_vrf(const char *name, struct vrf *vrf);
a36898e7
DS		 529extern struct interface *if_lookup_by_name(const char *ifname, vrf_id_t vrf_id);
530extern struct interface *if_get_by_name(const char *ifname, vrf_id_t vrf_id);
bd23c840
PR		 531extern struct interface *if_get_by_ifindex(ifindex_t ifindex, vrf_id_t vrf_id);
532
d5c65bf1 533/* Sets the index and adds to index list */
67f81586 534extern int if_set_index(struct interface *ifp, ifindex_t ifindex);
d5c65bf1
SW		 535/* Sets the name and adds to name list */
536extern void if_set_name(struct interface *ifp, const char *name);
a349198f 537
d2fc8896 538/* Delete the interface, but do not free the structure, and leave it in the
d62a17ae 539 interface list. It is often advisable to leave the pseudo interface
d2fc8896 540 structure because there may be configuration information attached. */
d62a17ae 541extern void if_delete_retain(struct interface *);
d2fc8896 542
543/* Delete and free the interface structure: calls if_delete_retain and then
544 deletes it from the interface list and frees the structure. */
f609709a 545extern void if_delete(struct interface **ifp);
d62a17ae 546
6339042c
MS		 547extern int if_is_up(const struct interface *ifp);
548extern int if_is_running(const struct interface *ifp);
549extern int if_is_operative(const struct interface *ifp);
550extern int if_is_no_ptm_operative(const struct interface *ifp);
551extern int if_is_loopback(const struct interface *ifp);
552extern int if_is_vrf(const struct interface *ifp);
553extern bool if_is_loopback_or_vrf(const struct interface *ifp);
554extern int if_is_broadcast(const struct interface *ifp);
555extern int if_is_pointopoint(const struct interface *ifp);
556extern int if_is_multicast(const struct interface *ifp);
f4e14fdb 557extern void if_terminate(struct vrf *vrf);
d62a17ae 558extern void if_dump_all(void);
847947f2 559extern const char *if_flag_dump(unsigned long);
d62a17ae 560extern const char *if_link_type_str(enum zebra_link_type);
718e3744 561
d2fc8896 562/* Please use ifindex2ifname instead of if_indextoname where possible;
563 ifindex2ifname uses internal interface info, whereas if_indextoname must
564 make a system call. */
d62a17ae 565extern const char *ifindex2ifname(ifindex_t, vrf_id_t vrf_id);
d2fc8896 566
567/* Please use ifname2ifindex instead of if_nametoindex where possible;
568 ifname2ifindex uses internal interface info, whereas if_nametoindex must
569 make a system call. */
128c2be2 570extern ifindex_t ifname2ifindex(const char *ifname, vrf_id_t vrf_id);
d2fc8896 571
718e3744 572/* Connected address functions. */
d62a17ae 573extern struct connected *connected_new(void);
721c0857 574extern void connected_free(struct connected **connected);
d62a17ae 575extern void connected_add(struct interface *, struct connected *);
576extern struct connected *
577connected_add_by_prefix(struct interface *, struct prefix *, struct prefix *);
578extern struct connected *connected_delete_by_prefix(struct interface *,
579 struct prefix *);
580extern struct connected *connected_lookup_prefix(struct interface *,
0b700537 581 const struct prefix *);
d62a17ae 582extern struct connected *connected_lookup_prefix_exact(struct interface *,
0b700537 583 const struct prefix *);
457ea8d4 584extern unsigned int connected_count_by_family(struct interface *, int family);
d62a17ae 585extern struct nbr_connected *nbr_connected_new(void);
586extern void nbr_connected_free(struct nbr_connected *);
587struct nbr_connected *nbr_connected_check(struct interface *, struct prefix *);
667179ca 588struct connected *connected_get_linklocal(struct interface *ifp);
718e3744 589
16f1b9ee 590/* link parameters */
d62a17ae 591struct if_link_params *if_link_params_get(struct interface *);
592void if_link_params_free(struct interface *);
16f1b9ee 593
a4bed468
RW		 594/* Northbound. */
595extern void if_cmd_init(void);
138c5a74
DS		 596extern void if_zapi_callbacks(int (*create)(struct interface *ifp),
597 int (*up)(struct interface *ifp),
598 int (*down)(struct interface *ifp),
599 int (*destroy)(struct interface *ifp));
600
ef7bd2a3 601extern void if_new_via_zapi(struct interface *ifp);
ddbf3e60 602extern void if_up_via_zapi(struct interface *ifp);
b0b69e59 603extern void if_down_via_zapi(struct interface *ifp);
3c3c3252 604extern void if_destroy_via_zapi(struct interface *ifp);
ef7bd2a3 605
a4bed468
RW		 606extern const struct frr_yang_module_info frr_interface_info;
607
5e244469
RW		 608#ifdef __cplusplus
609}
610#endif
611
718e3744 612#endif /* _ZEBRA_IF_H */
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