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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 |
31 | extern "C" { | |
32 | #endif | |
33 | ||
4a1ab8e4 | 34 | DECLARE_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 | */ | |
43 | enum 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 |
109 | typedef signed int ifindex_t; |
110 | ||
718e3744 | 111 | #ifdef HAVE_PROC_NET_DEV |
d62a17ae | 112 | struct 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 | |
146 | #define TE_KILO_BIT 1000 | |
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 */ | |
181 | struct 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 | 206 | struct 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; |
53e60e5c QY |
227 | /* |
228 | * ifindex of parent interface, if any | |
229 | */ | |
230 | ifindex_t link_ifindex; | |
d2fc8896 | 231 | #define IFINDEX_INTERNAL 0 |
718e3744 | 232 | |
d62a17ae | 233 | /* Zebra internal interface status */ |
d7c0a89a | 234 | uint8_t status; |
718e3744 | 235 | #define ZEBRA_INTERFACE_ACTIVE (1 << 0) |
236 | #define ZEBRA_INTERFACE_SUB (1 << 1) | |
2e3b2e47 | 237 | #define ZEBRA_INTERFACE_LINKDETECTION (1 << 2) |
c23af4d3 | 238 | #define ZEBRA_INTERFACE_VRF_LOOPBACK (1 << 3) |
525c1839 | 239 | |
d62a17ae | 240 | /* Interface flags. */ |
241 | uint64_t flags; | |
718e3744 | 242 | |
d62a17ae | 243 | /* Interface metric */ |
244 | uint32_t metric; | |
718e3744 | 245 | |
d62a17ae | 246 | /* Interface Speed in Mb/s */ |
247 | uint32_t speed; | |
2d7f0d76 | 248 | |
d62a17ae | 249 | /* Interface MTU. */ |
250 | unsigned int mtu; /* IPv4 MTU */ | |
251 | unsigned int | |
252 | mtu6; /* IPv6 MTU - probably, but not neccessarily same as mtu | |
9d303b37 | 253 | */ |
718e3744 | 254 | |
d62a17ae | 255 | /* Link-layer information and hardware address */ |
256 | enum zebra_link_type ll_type; | |
d7c0a89a | 257 | uint8_t hw_addr[INTERFACE_HWADDR_MAX]; |
d62a17ae | 258 | int hw_addr_len; |
718e3744 | 259 | |
d62a17ae | 260 | /* interface bandwidth, kbits */ |
261 | unsigned int bandwidth; | |
16f1b9ee | 262 | |
d62a17ae | 263 | /* Link parameters for Traffic Engineering */ |
264 | struct if_link_params *link_params; | |
718e3744 | 265 | |
d62a17ae | 266 | /* description of the interface. */ |
267 | char *desc; | |
718e3744 | 268 | |
d62a17ae | 269 | /* Distribute list. */ |
270 | void *distribute_in; | |
271 | void *distribute_out; | |
718e3744 | 272 | |
d62a17ae | 273 | /* Connected address list. */ |
274 | struct list *connected; | |
a80beece | 275 | |
d62a17ae | 276 | /* Neighbor connected address list. */ |
277 | struct list *nbr_connected; | |
718e3744 | 278 | |
d62a17ae | 279 | /* Daemon specific interface data pointer. */ |
280 | void *info; | |
244c1cdc | 281 | |
d62a17ae | 282 | char ptm_enable; /* Should we look at ptm_status ? */ |
283 | char ptm_status; | |
284 | ||
285 | /* Statistics fileds. */ | |
718e3744 | 286 | #ifdef HAVE_PROC_NET_DEV |
d62a17ae | 287 | struct if_stats stats; |
288 | #endif /* HAVE_PROC_NET_DEV */ | |
718e3744 | 289 | #ifdef HAVE_NET_RT_IFLIST |
d62a17ae | 290 | struct if_data stats; |
718e3744 | 291 | #endif /* HAVE_NET_RT_IFLIST */ |
3968dbf8 | 292 | |
d62a17ae | 293 | struct route_node *node; |
a36898e7 | 294 | vrf_id_t vrf_id; |
e80e7cce | 295 | |
1d311a05 DS |
296 | /* |
297 | * Has the end users entered `interface XXXX` from the cli in some | |
298 | * fashion? | |
299 | */ | |
300 | bool configured; | |
301 | ||
d62a17ae | 302 | QOBJ_FIELDS |
718e3744 | 303 | }; |
0c74bbe0 | 304 | |
f4e14fdb | 305 | RB_HEAD(if_name_head, interface); |
f3dd45d1 | 306 | RB_PROTOTYPE(if_name_head, interface, name_entry, if_cmp_func) |
ff880b78 | 307 | RB_HEAD(if_index_head, interface); |
f3dd45d1 | 308 | RB_PROTOTYPE(if_index_head, interface, index_entry, if_cmp_func) |
e80e7cce | 309 | DECLARE_QOBJ_TYPE(interface) |
718e3744 | 310 | |
a36898e7 DS |
311 | #define IFNAME_RB_INSERT(vrf, ifp) \ |
312 | if (RB_INSERT(if_name_head, &vrf->ifaces_by_name, (ifp))) \ | |
1c50c1c0 QY |
313 | flog_err(EC_LIB_INTERFACE, \ |
314 | "%s(%s): corruption detected -- interface with this " \ | |
315 | "name exists already in VRF %u!", \ | |
a36898e7 | 316 | __func__, (ifp)->name, (ifp)->vrf_id); |
ff880b78 | 317 | |
a36898e7 DS |
318 | #define IFNAME_RB_REMOVE(vrf, ifp) \ |
319 | if (RB_REMOVE(if_name_head, &vrf->ifaces_by_name, (ifp)) == NULL) \ | |
1c50c1c0 QY |
320 | flog_err(EC_LIB_INTERFACE, \ |
321 | "%s(%s): corruption detected -- interface with this " \ | |
322 | "name doesn't exist in VRF %u!", \ | |
a36898e7 | 323 | __func__, (ifp)->name, (ifp)->vrf_id); |
ff880b78 | 324 | |
a36898e7 DS |
325 | #define IFINDEX_RB_INSERT(vrf, ifp) \ |
326 | if (RB_INSERT(if_index_head, &vrf->ifaces_by_index, (ifp))) \ | |
1c50c1c0 QY |
327 | flog_err(EC_LIB_INTERFACE, \ |
328 | "%s(%u): corruption detected -- interface with this " \ | |
329 | "ifindex exists already in VRF %u!", \ | |
a36898e7 | 330 | __func__, (ifp)->ifindex, (ifp)->vrf_id); |
ff880b78 | 331 | |
a36898e7 DS |
332 | #define IFINDEX_RB_REMOVE(vrf, ifp) \ |
333 | if (RB_REMOVE(if_index_head, &vrf->ifaces_by_index, (ifp)) == NULL) \ | |
1c50c1c0 QY |
334 | flog_err(EC_LIB_INTERFACE, \ |
335 | "%s(%u): corruption detected -- interface with this " \ | |
336 | "ifindex doesn't exist in VRF %u!", \ | |
a36898e7 | 337 | __func__, (ifp)->ifindex, (ifp)->vrf_id); |
ff880b78 | 338 | |
451fda4f RW |
339 | #define FOR_ALL_INTERFACES(vrf, ifp) \ |
340 | if (vrf) \ | |
341 | RB_FOREACH (ifp, if_name_head, &vrf->ifaces_by_name) | |
342 | ||
343 | #define FOR_ALL_INTERFACES_ADDRESSES(ifp, connected, node) \ | |
344 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, connected)) | |
345 | ||
ce19a04a DL |
346 | /* called from the library code whenever interfaces are created/deleted |
347 | * note: interfaces may not be fully realized at that point; also they | |
348 | * may not exist in the system (ifindex = IFINDEX_INTERNAL) | |
349 | * | |
350 | * priority values are important here, daemons should be at 0 while modules | |
351 | * can use 1000+ so they run after the daemon has initialised daemon-specific | |
352 | * interface data | |
353 | */ | |
996c9314 LB |
354 | DECLARE_HOOK(if_add, (struct interface * ifp), (ifp)) |
355 | DECLARE_KOOH(if_del, (struct interface * ifp), (ifp)) | |
ce19a04a | 356 | |
cde1af84 AK |
357 | #define METRIC_MAX (~0) |
358 | ||
718e3744 | 359 | /* Connected address structure. */ |
d62a17ae | 360 | struct connected { |
361 | /* Attached interface. */ | |
362 | struct interface *ifp; | |
718e3744 | 363 | |
d62a17ae | 364 | /* Flags for configuration. */ |
d7c0a89a | 365 | uint8_t conf; |
718e3744 | 366 | #define ZEBRA_IFC_REAL (1 << 0) |
367 | #define ZEBRA_IFC_CONFIGURED (1 << 1) | |
f7f740fe | 368 | #define ZEBRA_IFC_QUEUED (1 << 2) |
d62a17ae | 369 | /* |
370 | The ZEBRA_IFC_REAL flag should be set if and only if this address | |
371 | exists in the kernel and is actually usable. (A case where it exists | |
372 | but | |
373 | is not yet usable would be IPv6 with DAD) | |
374 | The ZEBRA_IFC_CONFIGURED flag should be set if and only if this | |
375 | address | |
376 | was configured by the user from inside quagga. | |
377 | The ZEBRA_IFC_QUEUED flag should be set if and only if the address | |
378 | exists | |
379 | in the kernel. It may and should be set although the address might | |
380 | not be | |
381 | usable yet. (compare with ZEBRA_IFC_REAL) | |
382 | */ | |
383 | ||
384 | /* Flags for connected address. */ | |
d7c0a89a | 385 | uint8_t flags; |
e4529636 AS |
386 | #define ZEBRA_IFA_SECONDARY (1 << 0) |
387 | #define ZEBRA_IFA_PEER (1 << 1) | |
525c1839 | 388 | #define ZEBRA_IFA_UNNUMBERED (1 << 2) |
d62a17ae | 389 | /* N.B. the ZEBRA_IFA_PEER flag should be set if and only if |
390 | a peer address has been configured. If this flag is set, | |
391 | the destination field must contain the peer address. | |
d62a17ae | 392 | */ |
393 | ||
394 | /* Address of connected network. */ | |
395 | struct prefix *address; | |
396 | ||
0f3af738 | 397 | /* Peer address, if ZEBRA_IFA_PEER is set, otherwise NULL */ |
d62a17ae | 398 | struct prefix *destination; |
399 | ||
400 | /* Label for Linux 2.2.X and upper. */ | |
401 | char *label; | |
cde1af84 AK |
402 | |
403 | /* | |
404 | * Used for setting the connected route's cost. If the metric | |
405 | * here is set to METRIC_MAX the connected route falls back to | |
406 | * "struct interface" | |
407 | */ | |
408 | uint32_t metric; | |
718e3744 | 409 | }; |
410 | ||
a80beece | 411 | /* Nbr Connected address structure. */ |
d62a17ae | 412 | struct nbr_connected { |
413 | /* Attached interface. */ | |
414 | struct interface *ifp; | |
a80beece | 415 | |
d62a17ae | 416 | /* Address of connected network. */ |
417 | struct prefix *address; | |
a80beece DS |
418 | }; |
419 | ||
e4529636 AS |
420 | /* Does the destination field contain a peer address? */ |
421 | #define CONNECTED_PEER(C) CHECK_FLAG((C)->flags, ZEBRA_IFA_PEER) | |
422 | ||
423 | /* Prefix to insert into the RIB */ | |
d62a17ae | 424 | #define CONNECTED_PREFIX(C) \ |
e4529636 | 425 | (CONNECTED_PEER(C) ? (C)->destination : (C)->address) |
3fb9cd6e | 426 | |
e4529636 AS |
427 | /* Identifying address. We guess that if there's a peer address, but the |
428 | local address is in the same prefix, then the local address may be unique. */ | |
d62a17ae | 429 | #define CONNECTED_ID(C) \ |
430 | ((CONNECTED_PEER(C) && !prefix_match((C)->destination, (C)->address)) \ | |
431 | ? (C)->destination \ | |
432 | : (C)->address) | |
3fb9cd6e | 433 | |
718e3744 | 434 | /* There are some interface flags which are only supported by some |
435 | operating system. */ | |
436 | ||
437 | #ifndef IFF_NOTRAILERS | |
438 | #define IFF_NOTRAILERS 0x0 | |
439 | #endif /* IFF_NOTRAILERS */ | |
440 | #ifndef IFF_OACTIVE | |
441 | #define IFF_OACTIVE 0x0 | |
442 | #endif /* IFF_OACTIVE */ | |
443 | #ifndef IFF_SIMPLEX | |
444 | #define IFF_SIMPLEX 0x0 | |
445 | #endif /* IFF_SIMPLEX */ | |
446 | #ifndef IFF_LINK0 | |
447 | #define IFF_LINK0 0x0 | |
448 | #endif /* IFF_LINK0 */ | |
449 | #ifndef IFF_LINK1 | |
450 | #define IFF_LINK1 0x0 | |
451 | #endif /* IFF_LINK1 */ | |
452 | #ifndef IFF_LINK2 | |
453 | #define IFF_LINK2 0x0 | |
454 | #endif /* IFF_LINK2 */ | |
4ba9b924 | 455 | #ifndef IFF_NOXMIT |
456 | #define IFF_NOXMIT 0x0 | |
457 | #endif /* IFF_NOXMIT */ | |
458 | #ifndef IFF_NORTEXCH | |
459 | #define IFF_NORTEXCH 0x0 | |
460 | #endif /* IFF_NORTEXCH */ | |
461 | #ifndef IFF_IPV4 | |
462 | #define IFF_IPV4 0x0 | |
463 | #endif /* IFF_IPV4 */ | |
464 | #ifndef IFF_IPV6 | |
465 | #define IFF_IPV6 0x0 | |
466 | #endif /* IFF_IPV6 */ | |
467 | #ifndef IFF_VIRTUAL | |
468 | #define IFF_VIRTUAL 0x0 | |
469 | #endif /* IFF_VIRTUAL */ | |
718e3744 | 470 | |
471 | /* Prototypes. */ | |
36de6e0e | 472 | extern int if_cmp_name_func(const char *p1, const char *p2); |
d62a17ae | 473 | |
14fcc65c DS |
474 | /* |
475 | * Passing in VRF_UNKNOWN is a valid thing to do, unless we | |
476 | * are creating a new interface. | |
477 | * | |
478 | * This is useful for vrf route-leaking. So more than anything | |
479 | * else think before you use VRF_UNKNOWN | |
480 | */ | |
a36898e7 DS |
481 | extern void if_update_to_new_vrf(struct interface *, vrf_id_t vrf_id); |
482 | extern struct interface *if_create(const char *name, vrf_id_t vrf_id); | |
ea7ec261 | 483 | extern struct interface *if_create_ifindex(ifindex_t ifindex, vrf_id_t vrf_id); |
d62a17ae | 484 | extern struct interface *if_lookup_by_index(ifindex_t, vrf_id_t vrf_id); |
ea7ec261 | 485 | extern struct interface *if_lookup_by_index_all_vrf(ifindex_t); |
d62a17ae | 486 | extern struct interface *if_lookup_exact_address(void *matchaddr, int family, |
487 | vrf_id_t vrf_id); | |
488 | extern struct connected *if_lookup_address(void *matchaddr, int family, | |
489 | vrf_id_t vrf_id); | |
490 | extern struct interface *if_lookup_prefix(struct prefix *prefix, | |
491 | vrf_id_t vrf_id); | |
dad18a2f QY |
492 | size_t if_lookup_by_hwaddr(const uint8_t *hw_addr, size_t addrsz, |
493 | struct interface ***result, vrf_id_t vrf_id); | |
8736158a | 494 | |
92a57eb2 | 495 | /* These 3 functions are to be used when the ifname argument is terminated |
08dbfb69 | 496 | by a '\0' character: */ |
d62a17ae | 497 | extern struct interface *if_lookup_by_name_all_vrf(const char *ifname); |
a36898e7 DS |
498 | extern struct interface *if_lookup_by_name(const char *ifname, vrf_id_t vrf_id); |
499 | extern struct interface *if_get_by_name(const char *ifname, vrf_id_t vrf_id); | |
ea7ec261 | 500 | extern struct interface *if_get_by_ifindex(ifindex_t ifindex, vrf_id_t vrf_id); |
ff880b78 | 501 | extern void if_set_index(struct interface *ifp, ifindex_t ifindex); |
a349198f | 502 | |
d2fc8896 | 503 | /* Delete the interface, but do not free the structure, and leave it in the |
d62a17ae | 504 | interface list. It is often advisable to leave the pseudo interface |
d2fc8896 | 505 | structure because there may be configuration information attached. */ |
d62a17ae | 506 | extern void if_delete_retain(struct interface *); |
d2fc8896 | 507 | |
508 | /* Delete and free the interface structure: calls if_delete_retain and then | |
509 | deletes it from the interface list and frees the structure. */ | |
d62a17ae | 510 | extern void if_delete(struct interface *); |
511 | ||
6339042c MS |
512 | extern int if_is_up(const struct interface *ifp); |
513 | extern int if_is_running(const struct interface *ifp); | |
514 | extern int if_is_operative(const struct interface *ifp); | |
515 | extern int if_is_no_ptm_operative(const struct interface *ifp); | |
516 | extern int if_is_loopback(const struct interface *ifp); | |
517 | extern int if_is_vrf(const struct interface *ifp); | |
518 | extern bool if_is_loopback_or_vrf(const struct interface *ifp); | |
519 | extern int if_is_broadcast(const struct interface *ifp); | |
520 | extern int if_is_pointopoint(const struct interface *ifp); | |
521 | extern int if_is_multicast(const struct interface *ifp); | |
f4e14fdb RW |
522 | struct vrf; |
523 | extern void if_terminate(struct vrf *vrf); | |
d62a17ae | 524 | extern void if_dump_all(void); |
847947f2 | 525 | extern const char *if_flag_dump(unsigned long); |
d62a17ae | 526 | extern const char *if_link_type_str(enum zebra_link_type); |
718e3744 | 527 | |
d2fc8896 | 528 | /* Please use ifindex2ifname instead of if_indextoname where possible; |
529 | ifindex2ifname uses internal interface info, whereas if_indextoname must | |
530 | make a system call. */ | |
d62a17ae | 531 | extern const char *ifindex2ifname(ifindex_t, vrf_id_t vrf_id); |
d2fc8896 | 532 | |
533 | /* Please use ifname2ifindex instead of if_nametoindex where possible; | |
534 | ifname2ifindex uses internal interface info, whereas if_nametoindex must | |
535 | make a system call. */ | |
128c2be2 | 536 | extern ifindex_t ifname2ifindex(const char *ifname, vrf_id_t vrf_id); |
d2fc8896 | 537 | |
718e3744 | 538 | /* Connected address functions. */ |
d62a17ae | 539 | extern struct connected *connected_new(void); |
540 | extern void connected_free(struct connected *); | |
541 | extern void connected_add(struct interface *, struct connected *); | |
542 | extern struct connected * | |
543 | connected_add_by_prefix(struct interface *, struct prefix *, struct prefix *); | |
544 | extern struct connected *connected_delete_by_prefix(struct interface *, | |
545 | struct prefix *); | |
546 | extern struct connected *connected_lookup_prefix(struct interface *, | |
547 | struct prefix *); | |
548 | extern struct connected *connected_lookup_prefix_exact(struct interface *, | |
549 | struct prefix *); | |
550 | extern struct nbr_connected *nbr_connected_new(void); | |
551 | extern void nbr_connected_free(struct nbr_connected *); | |
552 | struct nbr_connected *nbr_connected_check(struct interface *, struct prefix *); | |
667179ca | 553 | struct connected *connected_get_linklocal(struct interface *ifp); |
718e3744 | 554 | |
16f1b9ee | 555 | /* link parameters */ |
d62a17ae | 556 | struct if_link_params *if_link_params_get(struct interface *); |
557 | void if_link_params_free(struct interface *); | |
16f1b9ee | 558 | |
a4bed468 RW |
559 | /* Northbound. */ |
560 | extern void if_cmd_init(void); | |
561 | extern const struct frr_yang_module_info frr_interface_info; | |
562 | ||
5e244469 RW |
563 | #ifdef __cplusplus |
564 | } | |
565 | #endif | |
566 | ||
718e3744 | 567 | #endif /* _ZEBRA_IF_H */ |