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718e3744 | 1 | /* Interface related header. |
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 | |
17 | along with GNU Zebra; see the file COPYING. If not, write to the | |
18 | Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
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" |
4a1ab8e4 DL |
28 | |
29 | DECLARE_MTYPE(IF) | |
30 | DECLARE_MTYPE(CONNECTED_LABEL) | |
718e3744 | 31 | |
8ccc7e80 TT |
32 | /* Interface link-layer type, if known. Derived from: |
33 | * | |
34 | * net/if_arp.h on various platforms - Linux especially. | |
35 | * http://www.iana.org/assignments/arp-parameters/arp-parameters.xhtml | |
36 | * | |
37 | * Some of the more obviously defunct technologies left out. | |
38 | */ | |
39 | enum zebra_link_type { | |
40 | ZEBRA_LLT_UNKNOWN = 0, | |
41 | ZEBRA_LLT_ETHER, | |
42 | ZEBRA_LLT_EETHER, | |
43 | ZEBRA_LLT_AX25, | |
44 | ZEBRA_LLT_PRONET, | |
45 | ZEBRA_LLT_IEEE802, | |
46 | ZEBRA_LLT_ARCNET, | |
47 | ZEBRA_LLT_APPLETLK, | |
48 | ZEBRA_LLT_DLCI, | |
49 | ZEBRA_LLT_ATM, | |
50 | ZEBRA_LLT_METRICOM, | |
51 | ZEBRA_LLT_IEEE1394, | |
52 | ZEBRA_LLT_EUI64, | |
53 | ZEBRA_LLT_INFINIBAND, | |
54 | ZEBRA_LLT_SLIP, | |
55 | ZEBRA_LLT_CSLIP, | |
56 | ZEBRA_LLT_SLIP6, | |
57 | ZEBRA_LLT_CSLIP6, | |
58 | ZEBRA_LLT_RSRVD, | |
59 | ZEBRA_LLT_ADAPT, | |
60 | ZEBRA_LLT_ROSE, | |
61 | ZEBRA_LLT_X25, | |
62 | ZEBRA_LLT_PPP, | |
63 | ZEBRA_LLT_CHDLC, | |
64 | ZEBRA_LLT_LAPB, | |
65 | ZEBRA_LLT_RAWHDLC, | |
66 | ZEBRA_LLT_IPIP, | |
67 | ZEBRA_LLT_IPIP6, | |
68 | ZEBRA_LLT_FRAD, | |
69 | ZEBRA_LLT_SKIP, | |
70 | ZEBRA_LLT_LOOPBACK, | |
71 | ZEBRA_LLT_LOCALTLK, | |
72 | ZEBRA_LLT_FDDI, | |
73 | ZEBRA_LLT_SIT, | |
74 | ZEBRA_LLT_IPDDP, | |
75 | ZEBRA_LLT_IPGRE, | |
76 | ZEBRA_LLT_IP6GRE, | |
77 | ZEBRA_LLT_PIMREG, | |
78 | ZEBRA_LLT_HIPPI, | |
79 | ZEBRA_LLT_ECONET, | |
80 | ZEBRA_LLT_IRDA, | |
81 | ZEBRA_LLT_FCPP, | |
82 | ZEBRA_LLT_FCAL, | |
83 | ZEBRA_LLT_FCPL, | |
84 | ZEBRA_LLT_FCFABRIC, | |
85 | ZEBRA_LLT_IEEE802_TR, | |
86 | ZEBRA_LLT_IEEE80211, | |
87 | ZEBRA_LLT_IEEE80211_RADIOTAP, | |
88 | ZEBRA_LLT_IEEE802154, | |
89 | ZEBRA_LLT_IEEE802154_PHY, | |
90 | }; | |
91 | ||
718e3744 | 92 | /* |
93 | Interface name length. | |
94 | ||
95 | Linux define value in /usr/include/linux/if.h. | |
96 | #define IFNAMSIZ 16 | |
97 | ||
98 | FreeBSD define value in /usr/include/net/if.h. | |
99 | #define IFNAMSIZ 16 | |
100 | */ | |
101 | ||
102 | #define INTERFACE_NAMSIZ 20 | |
103 | #define INTERFACE_HWADDR_MAX 20 | |
104 | ||
b892f1dd PJ |
105 | typedef signed int ifindex_t; |
106 | ||
718e3744 | 107 | #ifdef HAVE_PROC_NET_DEV |
108 | struct if_stats | |
109 | { | |
110 | unsigned long rx_packets; /* total packets received */ | |
111 | unsigned long tx_packets; /* total packets transmitted */ | |
112 | unsigned long rx_bytes; /* total bytes received */ | |
113 | unsigned long tx_bytes; /* total bytes transmitted */ | |
114 | unsigned long rx_errors; /* bad packets received */ | |
115 | unsigned long tx_errors; /* packet transmit problems */ | |
116 | unsigned long rx_dropped; /* no space in linux buffers */ | |
117 | unsigned long tx_dropped; /* no space available in linux */ | |
118 | unsigned long rx_multicast; /* multicast packets received */ | |
119 | unsigned long rx_compressed; | |
120 | unsigned long tx_compressed; | |
121 | unsigned long collisions; | |
122 | ||
123 | /* detailed rx_errors: */ | |
124 | unsigned long rx_length_errors; | |
125 | unsigned long rx_over_errors; /* receiver ring buff overflow */ | |
126 | unsigned long rx_crc_errors; /* recved pkt with crc error */ | |
127 | unsigned long rx_frame_errors; /* recv'd frame alignment error */ | |
128 | unsigned long rx_fifo_errors; /* recv'r fifo overrun */ | |
129 | unsigned long rx_missed_errors; /* receiver missed packet */ | |
130 | /* detailed tx_errors */ | |
131 | unsigned long tx_aborted_errors; | |
132 | unsigned long tx_carrier_errors; | |
133 | unsigned long tx_fifo_errors; | |
134 | unsigned long tx_heartbeat_errors; | |
135 | unsigned long tx_window_errors; | |
136 | }; | |
137 | #endif /* HAVE_PROC_NET_DEV */ | |
138 | ||
16f1b9ee OD |
139 | /* Here are "non-official" architectural constants. */ |
140 | #define TE_EXT_MASK 0x0FFFFFFF | |
141 | #define TE_EXT_ANORMAL 0x80000000 | |
142 | #define LOSS_PRECISION 0.000003 | |
143 | #define TE_KILO_BIT 1000 | |
144 | #define TE_BYTE 8 | |
145 | #define DEFAULT_BANDWIDTH 10000 | |
146 | #define MAX_CLASS_TYPE 8 | |
147 | #define MAX_PKT_LOSS 50.331642 | |
148 | ||
daf0a4d2 OD |
149 | /* |
150 | * Link Parameters Status: | |
151 | * equal to 0: unset | |
152 | * different from 0: set | |
153 | */ | |
16f1b9ee | 154 | #define LP_UNSET 0x0000 |
daf0a4d2 | 155 | #define LP_TE_METRIC 0x0001 |
16f1b9ee OD |
156 | #define LP_MAX_BW 0x0002 |
157 | #define LP_MAX_RSV_BW 0x0004 | |
158 | #define LP_UNRSV_BW 0x0008 | |
159 | #define LP_ADM_GRP 0x0010 | |
160 | #define LP_RMT_AS 0x0020 | |
161 | #define LP_DELAY 0x0040 | |
162 | #define LP_MM_DELAY 0x0080 | |
163 | #define LP_DELAY_VAR 0x0100 | |
164 | #define LP_PKT_LOSS 0x0200 | |
165 | #define LP_RES_BW 0x0400 | |
166 | #define LP_AVA_BW 0x0800 | |
167 | #define LP_USE_BW 0x1000 | |
168 | ||
169 | #define IS_PARAM_UNSET(lp, st) !(lp->lp_status & st) | |
170 | #define IS_PARAM_SET(lp, st) (lp->lp_status & st) | |
171 | #define IS_LINK_PARAMS_SET(lp) (lp->lp_status != LP_UNSET) | |
172 | ||
173 | #define SET_PARAM(lp, st) (lp->lp_status) |= (st) | |
174 | #define UNSET_PARAM(lp, st) (lp->lp_status) &= ~(st) | |
175 | #define RESET_LINK_PARAM(lp) (lp->lp_status = LP_UNSET) | |
176 | ||
177 | /* Link Parameters for Traffic Engineering */ | |
178 | struct if_link_params { | |
179 | u_int32_t lp_status; /* Status of Link Parameters: */ | |
180 | u_int32_t te_metric; /* Traffic Engineering metric */ | |
b6a9e7b4 | 181 | float default_bw; |
16f1b9ee OD |
182 | float max_bw; /* Maximum Bandwidth */ |
183 | float max_rsv_bw; /* Maximum Reservable Bandwidth */ | |
184 | float unrsv_bw[MAX_CLASS_TYPE]; /* Unreserved Bandwidth per Class Type (8) */ | |
185 | u_int32_t admin_grp; /* Administrative group */ | |
186 | u_int32_t rmt_as; /* Remote AS number */ | |
187 | struct in_addr rmt_ip; /* Remote IP address */ | |
188 | u_int32_t av_delay; /* Link Average Delay */ | |
189 | u_int32_t min_delay; /* Link Min Delay */ | |
190 | u_int32_t max_delay; /* Link Max Delay */ | |
191 | u_int32_t delay_var; /* Link Delay Variation */ | |
192 | float pkt_loss; /* Link Packet Loss */ | |
193 | float res_bw; /* Residual Bandwidth */ | |
194 | float ava_bw; /* Available Bandwidth */ | |
195 | float use_bw; /* Utilized Bandwidth */ | |
196 | }; | |
197 | ||
198 | #define INTERFACE_LINK_PARAMS_SIZE sizeof(struct if_link_params) | |
199 | #define HAS_LINK_PARAMS(ifp) ((ifp)->link_params != NULL) | |
200 | ||
718e3744 | 201 | /* Interface structure */ |
202 | struct interface | |
203 | { | |
d2fc8896 | 204 | /* Interface name. This should probably never be changed after the |
205 | interface is created, because the configuration info for this interface | |
206 | is associated with this structure. For that reason, the interface | |
207 | should also never be deleted (to avoid losing configuration info). | |
208 | To delete, just set ifindex to IFINDEX_INTERNAL to indicate that the | |
209 | interface does not exist in the kernel. | |
210 | */ | |
718e3744 | 211 | char name[INTERFACE_NAMSIZ + 1]; |
212 | ||
d2fc8896 | 213 | /* Interface index (should be IFINDEX_INTERNAL for non-kernel or |
214 | deleted interfaces). */ | |
b892f1dd | 215 | ifindex_t ifindex; |
d2fc8896 | 216 | #define IFINDEX_INTERNAL 0 |
b892f1dd | 217 | #define IFINDEX_DELETED INT_MAX |
718e3744 | 218 | |
219 | /* Zebra internal interface status */ | |
220 | u_char status; | |
221 | #define ZEBRA_INTERFACE_ACTIVE (1 << 0) | |
222 | #define ZEBRA_INTERFACE_SUB (1 << 1) | |
2e3b2e47 | 223 | #define ZEBRA_INTERFACE_LINKDETECTION (1 << 2) |
c23af4d3 | 224 | #define ZEBRA_INTERFACE_VRF_LOOPBACK (1 << 3) |
525c1839 | 225 | |
718e3744 | 226 | /* Interface flags. */ |
c77d4546 | 227 | uint64_t flags; |
718e3744 | 228 | |
229 | /* Interface metric */ | |
d92c729b | 230 | uint32_t metric; |
718e3744 | 231 | |
2d7f0d76 DS |
232 | /* Interface Speed */ |
233 | uint32_t speed; | |
234 | ||
718e3744 | 235 | /* Interface MTU. */ |
c9eca01b | 236 | unsigned int mtu; /* IPv4 MTU */ |
237 | unsigned int mtu6; /* IPv6 MTU - probably, but not neccessarily same as mtu */ | |
718e3744 | 238 | |
8ccc7e80 TT |
239 | /* Link-layer information and hardware address */ |
240 | enum zebra_link_type ll_type; | |
718e3744 | 241 | u_char hw_addr[INTERFACE_HWADDR_MAX]; |
242 | int hw_addr_len; | |
718e3744 | 243 | |
244 | /* interface bandwidth, kbits */ | |
245 | unsigned int bandwidth; | |
246 | ||
16f1b9ee OD |
247 | /* Link parameters for Traffic Engineering */ |
248 | struct if_link_params *link_params; | |
249 | ||
718e3744 | 250 | /* description of the interface. */ |
251 | char *desc; | |
252 | ||
253 | /* Distribute list. */ | |
254 | void *distribute_in; | |
255 | void *distribute_out; | |
256 | ||
257 | /* Connected address list. */ | |
52dc7ee6 | 258 | struct list *connected; |
718e3744 | 259 | |
a80beece DS |
260 | /* Neighbor connected address list. */ |
261 | struct list *nbr_connected; | |
262 | ||
718e3744 | 263 | /* Daemon specific interface data pointer. */ |
264 | void *info; | |
265 | ||
244c1cdc DS |
266 | char ptm_enable; /* Should we look at ptm_status ? */ |
267 | char ptm_status; | |
268 | ||
718e3744 | 269 | /* Statistics fileds. */ |
270 | #ifdef HAVE_PROC_NET_DEV | |
271 | struct if_stats stats; | |
272 | #endif /* HAVE_PROC_NET_DEV */ | |
273 | #ifdef HAVE_NET_RT_IFLIST | |
274 | struct if_data stats; | |
275 | #endif /* HAVE_NET_RT_IFLIST */ | |
3968dbf8 | 276 | |
f93e3f69 | 277 | struct route_node *node; |
3968dbf8 | 278 | vrf_id_t vrf_id; |
e80e7cce DL |
279 | |
280 | QOBJ_FIELDS | |
718e3744 | 281 | }; |
e80e7cce | 282 | DECLARE_QOBJ_TYPE(interface) |
718e3744 | 283 | |
284 | /* Connected address structure. */ | |
285 | struct connected | |
286 | { | |
287 | /* Attached interface. */ | |
288 | struct interface *ifp; | |
289 | ||
290 | /* Flags for configuration. */ | |
291 | u_char conf; | |
292 | #define ZEBRA_IFC_REAL (1 << 0) | |
293 | #define ZEBRA_IFC_CONFIGURED (1 << 1) | |
f7f740fe | 294 | #define ZEBRA_IFC_QUEUED (1 << 2) |
9c37851e AS |
295 | /* |
296 | The ZEBRA_IFC_REAL flag should be set if and only if this address | |
f7f740fe CF |
297 | exists in the kernel and is actually usable. (A case where it exists but |
298 | is not yet usable would be IPv6 with DAD) | |
9c37851e AS |
299 | The ZEBRA_IFC_CONFIGURED flag should be set if and only if this address |
300 | was configured by the user from inside quagga. | |
f7f740fe CF |
301 | The ZEBRA_IFC_QUEUED flag should be set if and only if the address exists |
302 | in the kernel. It may and should be set although the address might not be | |
303 | usable yet. (compare with ZEBRA_IFC_REAL) | |
9c37851e | 304 | */ |
718e3744 | 305 | |
306 | /* Flags for connected address. */ | |
307 | u_char flags; | |
e4529636 AS |
308 | #define ZEBRA_IFA_SECONDARY (1 << 0) |
309 | #define ZEBRA_IFA_PEER (1 << 1) | |
525c1839 | 310 | #define ZEBRA_IFA_UNNUMBERED (1 << 2) |
e4529636 AS |
311 | /* N.B. the ZEBRA_IFA_PEER flag should be set if and only if |
312 | a peer address has been configured. If this flag is set, | |
313 | the destination field must contain the peer address. | |
314 | Otherwise, if this flag is not set, the destination address | |
315 | will either contain a broadcast address or be NULL. | |
316 | */ | |
718e3744 | 317 | |
318 | /* Address of connected network. */ | |
319 | struct prefix *address; | |
e4529636 AS |
320 | |
321 | /* Peer or Broadcast address, depending on whether ZEBRA_IFA_PEER is set. | |
322 | Note: destination may be NULL if ZEBRA_IFA_PEER is not set. */ | |
323 | struct prefix *destination; | |
718e3744 | 324 | |
325 | /* Label for Linux 2.2.X and upper. */ | |
326 | char *label; | |
327 | }; | |
328 | ||
a80beece DS |
329 | /* Nbr Connected address structure. */ |
330 | struct nbr_connected | |
331 | { | |
332 | /* Attached interface. */ | |
333 | struct interface *ifp; | |
334 | ||
335 | /* Address of connected network. */ | |
336 | struct prefix *address; | |
337 | }; | |
338 | ||
e4529636 AS |
339 | /* Does the destination field contain a peer address? */ |
340 | #define CONNECTED_PEER(C) CHECK_FLAG((C)->flags, ZEBRA_IFA_PEER) | |
341 | ||
342 | /* Prefix to insert into the RIB */ | |
343 | #define CONNECTED_PREFIX(C) \ | |
344 | (CONNECTED_PEER(C) ? (C)->destination : (C)->address) | |
3fb9cd6e | 345 | |
e4529636 AS |
346 | /* Identifying address. We guess that if there's a peer address, but the |
347 | local address is in the same prefix, then the local address may be unique. */ | |
348 | #define CONNECTED_ID(C) \ | |
349 | ((CONNECTED_PEER(C) && !prefix_match((C)->destination, (C)->address)) ?\ | |
350 | (C)->destination : (C)->address) | |
3fb9cd6e | 351 | |
718e3744 | 352 | /* Interface hook sort. */ |
353 | #define IF_NEW_HOOK 0 | |
354 | #define IF_DELETE_HOOK 1 | |
355 | ||
356 | /* There are some interface flags which are only supported by some | |
357 | operating system. */ | |
358 | ||
359 | #ifndef IFF_NOTRAILERS | |
360 | #define IFF_NOTRAILERS 0x0 | |
361 | #endif /* IFF_NOTRAILERS */ | |
362 | #ifndef IFF_OACTIVE | |
363 | #define IFF_OACTIVE 0x0 | |
364 | #endif /* IFF_OACTIVE */ | |
365 | #ifndef IFF_SIMPLEX | |
366 | #define IFF_SIMPLEX 0x0 | |
367 | #endif /* IFF_SIMPLEX */ | |
368 | #ifndef IFF_LINK0 | |
369 | #define IFF_LINK0 0x0 | |
370 | #endif /* IFF_LINK0 */ | |
371 | #ifndef IFF_LINK1 | |
372 | #define IFF_LINK1 0x0 | |
373 | #endif /* IFF_LINK1 */ | |
374 | #ifndef IFF_LINK2 | |
375 | #define IFF_LINK2 0x0 | |
376 | #endif /* IFF_LINK2 */ | |
4ba9b924 | 377 | #ifndef IFF_NOXMIT |
378 | #define IFF_NOXMIT 0x0 | |
379 | #endif /* IFF_NOXMIT */ | |
380 | #ifndef IFF_NORTEXCH | |
381 | #define IFF_NORTEXCH 0x0 | |
382 | #endif /* IFF_NORTEXCH */ | |
383 | #ifndef IFF_IPV4 | |
384 | #define IFF_IPV4 0x0 | |
385 | #endif /* IFF_IPV4 */ | |
386 | #ifndef IFF_IPV6 | |
387 | #define IFF_IPV6 0x0 | |
388 | #endif /* IFF_IPV6 */ | |
389 | #ifndef IFF_VIRTUAL | |
390 | #define IFF_VIRTUAL 0x0 | |
391 | #endif /* IFF_VIRTUAL */ | |
718e3744 | 392 | |
393 | /* Prototypes. */ | |
974fc9d2 | 394 | extern int if_cmp_name_func (char *, char *); |
a349198f | 395 | |
f15dd9a4 DS |
396 | extern void if_update (struct interface *, const char *name, int namelen, |
397 | vrf_id_t vrf_id); | |
4e5266b8 DS |
398 | extern struct interface *if_create (const char *name, int namelen, |
399 | vrf_id_t vrf_id); | |
7e2b7603 | 400 | extern struct interface *if_lookup_by_index (ifindex_t, vrf_id_t vrf_id); |
c5e2cb11 | 401 | extern struct interface *if_lookup_exact_address (void *matchaddr, int family, |
95af5f13 DS |
402 | vrf_id_t vrf_id); |
403 | extern struct connected *if_lookup_address (void *matchaddr, int family, | |
404 | vrf_id_t vrf_id); | |
a90607a4 | 405 | extern struct interface *if_lookup_prefix (struct prefix *prefix, |
8736158a FL |
406 | vrf_id_t vrf_id); |
407 | ||
92a57eb2 | 408 | /* These 3 functions are to be used when the ifname argument is terminated |
08dbfb69 | 409 | by a '\0' character: */ |
f8962871 | 410 | extern struct interface *if_lookup_by_name_all_vrf (const char *ifname); |
1306c09a DS |
411 | extern struct interface *if_lookup_by_name (const char *ifname, |
412 | vrf_id_t vrf_id); | |
92a57eb2 | 413 | extern struct interface *if_get_by_name (const char *ifname, |
8736158a FL |
414 | vrf_id_t vrf_id); |
415 | ||
08dbfb69 | 416 | /* For these 2 functions, the namelen argument should be the precise length |
417 | of the ifname string (not counting any optional trailing '\0' character). | |
418 | In most cases, strnlen should be used to calculate the namelen value. */ | |
fa787f91 DS |
419 | extern struct interface *if_lookup_by_name_len(const char *ifname, |
420 | size_t namelen, vrf_id_t vrf_id); | |
07a112a1 | 421 | extern struct interface *if_get_by_name_len(const char *ifname, |
85f9da7f | 422 | size_t namelen, vrf_id_t vrf_id, int vty); |
a349198f | 423 | |
424 | ||
d2fc8896 | 425 | /* Delete the interface, but do not free the structure, and leave it in the |
426 | interface list. It is often advisable to leave the pseudo interface | |
427 | structure because there may be configuration information attached. */ | |
428 | extern void if_delete_retain (struct interface *); | |
429 | ||
430 | /* Delete and free the interface structure: calls if_delete_retain and then | |
431 | deletes it from the interface list and frees the structure. */ | |
432 | extern void if_delete (struct interface *); | |
433 | ||
8cc4198f | 434 | extern int if_is_up (struct interface *); |
435 | extern int if_is_running (struct interface *); | |
436 | extern int if_is_operative (struct interface *); | |
244c1cdc | 437 | extern int if_is_no_ptm_operative (struct interface *); |
8cc4198f | 438 | extern int if_is_loopback (struct interface *); |
439 | extern int if_is_broadcast (struct interface *); | |
440 | extern int if_is_pointopoint (struct interface *); | |
441 | extern int if_is_multicast (struct interface *); | |
442 | extern void if_add_hook (int, int (*)(struct interface *)); | |
b2d7c082 | 443 | extern void if_init (struct list **); |
0b84f294 | 444 | extern void if_cmd_init (void); |
b2d7c082 | 445 | extern void if_terminate (struct list **); |
8cc4198f | 446 | extern void if_dump_all (void); |
847947f2 | 447 | extern const char *if_flag_dump(unsigned long); |
8ccc7e80 | 448 | extern const char *if_link_type_str (enum zebra_link_type); |
718e3744 | 449 | |
d2fc8896 | 450 | /* Please use ifindex2ifname instead of if_indextoname where possible; |
451 | ifindex2ifname uses internal interface info, whereas if_indextoname must | |
452 | make a system call. */ | |
baaea325 | 453 | extern const char *ifindex2ifname (ifindex_t, vrf_id_t vrf_id); |
d2fc8896 | 454 | |
455 | /* Please use ifname2ifindex instead of if_nametoindex where possible; | |
456 | ifname2ifindex uses internal interface info, whereas if_nametoindex must | |
457 | make a system call. */ | |
128c2be2 | 458 | extern ifindex_t ifname2ifindex(const char *ifname, vrf_id_t vrf_id); |
d2fc8896 | 459 | |
718e3744 | 460 | /* Connected address functions. */ |
8cc4198f | 461 | extern struct connected *connected_new (void); |
462 | extern void connected_free (struct connected *); | |
463 | extern void connected_add (struct interface *, struct connected *); | |
464 | extern struct connected *connected_add_by_prefix (struct interface *, | |
4a7aac1b | 465 | struct prefix *, |
466 | struct prefix *); | |
8cc4198f | 467 | extern struct connected *connected_delete_by_prefix (struct interface *, |
4a7aac1b | 468 | struct prefix *); |
bd40c341 DS |
469 | extern struct connected *connected_lookup_prefix (struct interface *, |
470 | struct prefix *); | |
38485402 DS |
471 | extern struct connected *connected_lookup_prefix_exact (struct interface *, |
472 | struct prefix *); | |
a80beece DS |
473 | extern struct nbr_connected *nbr_connected_new (void); |
474 | extern void nbr_connected_free (struct nbr_connected *); | |
475 | struct nbr_connected *nbr_connected_check (struct interface *, struct prefix *); | |
718e3744 | 476 | |
16f1b9ee OD |
477 | /* link parameters */ |
478 | struct if_link_params *if_link_params_get (struct interface *); | |
479 | void if_link_params_free (struct interface *); | |
480 | ||
718e3744 | 481 | #endif /* _ZEBRA_IF_H */ |