1/*-
2 * Copyright (c) 1982, 1986, 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)if.h 8.1 (Berkeley) 6/10/93
| 1/*-
2 * Copyright (c) 1982, 1986, 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)if.h 8.1 (Berkeley) 6/10/93
|
30 * $FreeBSD: head/sys/net/if.h 263102 2014-03-13 03:42:24Z glebius $
| 30 * $FreeBSD: head/sys/net/if.h 269243 2014-07-29 15:01:29Z glebius $
|
31 */
32
33#ifndef _NET_IF_H_
34#define _NET_IF_H_
35
36#include <sys/cdefs.h>
37
38#if __BSD_VISIBLE
39/*
40 * <net/if.h> does not depend on <sys/time.h> on most other systems. This
41 * helps userland compatibility. (struct timeval ifi_lastchange)
42 * The same holds for <sys/socket.h>. (struct sockaddr ifru_addr)
43 */
44#ifndef _KERNEL
45#include <sys/time.h>
46#include <sys/socket.h>
47#endif
48#endif
49
50/*
51 * Length of interface external name, including terminating '\0'.
52 * Note: this is the same size as a generic device's external name.
53 */
54#define IF_NAMESIZE 16
55#if __BSD_VISIBLE
56#define IFNAMSIZ IF_NAMESIZE
57#define IF_MAXUNIT 0x7fff /* historical value */
58#endif
59#if __BSD_VISIBLE
60
61/*
62 * Structure used to query names of interface cloners.
63 */
64
65struct if_clonereq {
66 int ifcr_total; /* total cloners (out) */
67 int ifcr_count; /* room for this many in user buffer */
68 char *ifcr_buffer; /* buffer for cloner names */
69};
70
71/*
72 * Structure describing information about an interface
73 * which may be of interest to management entities.
74 */
75struct if_data {
76 /* generic interface information */
77 uint8_t ifi_type; /* ethernet, tokenring, etc */
78 uint8_t ifi_physical; /* e.g., AUI, Thinnet, 10base-T, etc */
79 uint8_t ifi_addrlen; /* media address length */
80 uint8_t ifi_hdrlen; /* media header length */
81 uint8_t ifi_link_state; /* current link state */
82 uint8_t ifi_vhid; /* carp vhid */
83 uint16_t ifi_datalen; /* length of this data struct */
84 uint32_t ifi_mtu; /* maximum transmission unit */
85 uint32_t ifi_metric; /* routing metric (external only) */
86 uint64_t ifi_baudrate; /* linespeed */
87 /* volatile statistics */
88 uint64_t ifi_ipackets; /* packets received on interface */
89 uint64_t ifi_ierrors; /* input errors on interface */
90 uint64_t ifi_opackets; /* packets sent on interface */
91 uint64_t ifi_oerrors; /* output errors on interface */
92 uint64_t ifi_collisions; /* collisions on csma interfaces */
93 uint64_t ifi_ibytes; /* total number of octets received */
94 uint64_t ifi_obytes; /* total number of octets sent */
95 uint64_t ifi_imcasts; /* packets received via multicast */
96 uint64_t ifi_omcasts; /* packets sent via multicast */
97 uint64_t ifi_iqdrops; /* dropped on input */
98 uint64_t ifi_oqdrops; /* dropped on output */
99 uint64_t ifi_noproto; /* destined for unsupported protocol */
100 uint64_t ifi_hwassist; /* HW offload capabilities, see IFCAP */
101
102 /* Unions are here to make sizes MI. */
103 union { /* uptime at attach or stat reset */
104 time_t tt;
105 uint64_t ph;
106 } __ifi_epoch;
107#define ifi_epoch __ifi_epoch.tt
108 union { /* time of last administrative change */
109 struct timeval tv;
110 struct {
111 uint64_t ph1;
112 uint64_t ph2;
113 } ph;
114 } __ifi_lastchange;
115#define ifi_lastchange __ifi_lastchange.tv
116};
117
118/*-
119 * Interface flags are of two types: network stack owned flags, and driver
120 * owned flags. Historically, these values were stored in the same ifnet
121 * flags field, but with the advent of fine-grained locking, they have been
122 * broken out such that the network stack is responsible for synchronizing
123 * the stack-owned fields, and the device driver the device-owned fields.
124 * Both halves can perform lockless reads of the other half's field, subject
125 * to accepting the involved races.
126 *
127 * Both sets of flags come from the same number space, and should not be
128 * permitted to conflict, as they are exposed to user space via a single
129 * field.
130 *
131 * The following symbols identify read and write requirements for fields:
132 *
133 * (i) if_flags field set by device driver before attach, read-only there
134 * after.
135 * (n) if_flags field written only by the network stack, read by either the
136 * stack or driver.
137 * (d) if_drv_flags field written only by the device driver, read by either
138 * the stack or driver.
139 */
140#define IFF_UP 0x1 /* (n) interface is up */
141#define IFF_BROADCAST 0x2 /* (i) broadcast address valid */
142#define IFF_DEBUG 0x4 /* (n) turn on debugging */
143#define IFF_LOOPBACK 0x8 /* (i) is a loopback net */
144#define IFF_POINTOPOINT 0x10 /* (i) is a point-to-point link */
145/* 0x20 was IFF_SMART */
146#define IFF_DRV_RUNNING 0x40 /* (d) resources allocated */
147#define IFF_NOARP 0x80 /* (n) no address resolution protocol */
148#define IFF_PROMISC 0x100 /* (n) receive all packets */
149#define IFF_ALLMULTI 0x200 /* (n) receive all multicast packets */
150#define IFF_DRV_OACTIVE 0x400 /* (d) tx hardware queue is full */
151#define IFF_SIMPLEX 0x800 /* (i) can't hear own transmissions */
152#define IFF_LINK0 0x1000 /* per link layer defined bit */
153#define IFF_LINK1 0x2000 /* per link layer defined bit */
154#define IFF_LINK2 0x4000 /* per link layer defined bit */
155#define IFF_ALTPHYS IFF_LINK2 /* use alternate physical connection */
156#define IFF_MULTICAST 0x8000 /* (i) supports multicast */
157#define IFF_CANTCONFIG 0x10000 /* (i) unconfigurable using ioctl(2) */
158#define IFF_PPROMISC 0x20000 /* (n) user-requested promisc mode */
159#define IFF_MONITOR 0x40000 /* (n) user-requested monitor mode */
160#define IFF_STATICARP 0x80000 /* (n) static ARP */
161#define IFF_DYING 0x200000 /* (n) interface is winding down */
162#define IFF_RENAMING 0x400000 /* (n) interface is being renamed */
163/*
164 * Old names for driver flags so that user space tools can continue to use
165 * the old (portable) names.
166 */
167#ifndef _KERNEL
168#define IFF_RUNNING IFF_DRV_RUNNING
169#define IFF_OACTIVE IFF_DRV_OACTIVE
170#endif
171
172/* flags set internally only: */
173#define IFF_CANTCHANGE \
174 (IFF_BROADCAST|IFF_POINTOPOINT|IFF_DRV_RUNNING|IFF_DRV_OACTIVE|\
175 IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI|IFF_PROMISC|\
176 IFF_DYING|IFF_CANTCONFIG)
177
178/*
179 * Values for if_link_state.
180 */
181#define LINK_STATE_UNKNOWN 0 /* link invalid/unknown */
182#define LINK_STATE_DOWN 1 /* link is down */
183#define LINK_STATE_UP 2 /* link is up */
184
185/*
186 * Some convenience macros used for setting ifi_baudrate.
187 * XXX 1000 vs. 1024? --thorpej@netbsd.org
188 */
189#define IF_Kbps(x) ((uintmax_t)(x) * 1000) /* kilobits/sec. */
190#define IF_Mbps(x) (IF_Kbps((x) * 1000)) /* megabits/sec. */
191#define IF_Gbps(x) (IF_Mbps((x) * 1000)) /* gigabits/sec. */
192
193/*
194 * Capabilities that interfaces can advertise.
195 *
196 * struct ifnet.if_capabilities
197 * contains the optional features & capabilities a particular interface
198 * supports (not only the driver but also the detected hw revision).
199 * Capabilities are defined by IFCAP_* below.
200 * struct ifnet.if_capenable
201 * contains the enabled (either by default or through ifconfig) optional
202 * features & capabilities on this interface.
203 * Capabilities are defined by IFCAP_* below.
204 * struct if_data.ifi_hwassist in mbuf CSUM_ flag form, controlled by above
205 * contains the enabled optional feature & capabilites that can be used
206 * individually per packet and are specified in the mbuf pkthdr.csum_flags
207 * field. IFCAP_* and CSUM_* do not match one to one and CSUM_* may be
208 * more detailed or differenciated than IFCAP_*.
209 * Hwassist features are defined CSUM_* in sys/mbuf.h
210 *
211 * Capabilities that cannot be arbitrarily changed with ifconfig/ioctl
212 * are listed in IFCAP_CANTCHANGE, similar to IFF_CANTCHANGE.
213 * This is not strictly necessary because the common code never
214 * changes capabilities, and it is left to the individual driver
215 * to do the right thing. However, having the filter here
216 * avoids replication of the same code in all individual drivers.
217 */
218#define IFCAP_RXCSUM 0x00001 /* can offload checksum on RX */
219#define IFCAP_TXCSUM 0x00002 /* can offload checksum on TX */
220#define IFCAP_NETCONS 0x00004 /* can be a network console */
221#define IFCAP_VLAN_MTU 0x00008 /* VLAN-compatible MTU */
222#define IFCAP_VLAN_HWTAGGING 0x00010 /* hardware VLAN tag support */
223#define IFCAP_JUMBO_MTU 0x00020 /* 9000 byte MTU supported */
224#define IFCAP_POLLING 0x00040 /* driver supports polling */
225#define IFCAP_VLAN_HWCSUM 0x00080 /* can do IFCAP_HWCSUM on VLANs */
226#define IFCAP_TSO4 0x00100 /* can do TCP Segmentation Offload */
227#define IFCAP_TSO6 0x00200 /* can do TCP6 Segmentation Offload */
228#define IFCAP_LRO 0x00400 /* can do Large Receive Offload */
229#define IFCAP_WOL_UCAST 0x00800 /* wake on any unicast frame */
230#define IFCAP_WOL_MCAST 0x01000 /* wake on any multicast frame */
231#define IFCAP_WOL_MAGIC 0x02000 /* wake on any Magic Packet */
232#define IFCAP_TOE4 0x04000 /* interface can offload TCP */
233#define IFCAP_TOE6 0x08000 /* interface can offload TCP6 */
234#define IFCAP_VLAN_HWFILTER 0x10000 /* interface hw can filter vlan tag */
235#define IFCAP_POLLING_NOCOUNT 0x20000 /* polling ticks cannot be fragmented */
236#define IFCAP_VLAN_HWTSO 0x40000 /* can do IFCAP_TSO on VLANs */
237#define IFCAP_LINKSTATE 0x80000 /* the runtime link state is dynamic */
238#define IFCAP_NETMAP 0x100000 /* netmap mode supported/enabled */
239#define IFCAP_RXCSUM_IPV6 0x200000 /* can offload checksum on IPv6 RX */
240#define IFCAP_TXCSUM_IPV6 0x400000 /* can offload checksum on IPv6 TX */
241#define IFCAP_HWSTATS 0x800000 /* manages counters internally */
242
243#define IFCAP_HWCSUM_IPV6 (IFCAP_RXCSUM_IPV6 | IFCAP_TXCSUM_IPV6)
244
245#define IFCAP_HWCSUM (IFCAP_RXCSUM | IFCAP_TXCSUM)
246#define IFCAP_TSO (IFCAP_TSO4 | IFCAP_TSO6)
247#define IFCAP_WOL (IFCAP_WOL_UCAST | IFCAP_WOL_MCAST | IFCAP_WOL_MAGIC)
248#define IFCAP_TOE (IFCAP_TOE4 | IFCAP_TOE6)
249
250#define IFCAP_CANTCHANGE (IFCAP_NETMAP)
251
252#define IFQ_MAXLEN 50
253#define IFNET_SLOWHZ 1 /* granularity is 1 second */
254
255/*
256 * Message format for use in obtaining information about interfaces
257 * from getkerninfo and the routing socket
258 * For the new, extensible interface see struct if_msghdrl below.
259 */
260struct if_msghdr {
261 u_short ifm_msglen; /* to skip over non-understood messages */
262 u_char ifm_version; /* future binary compatibility */
263 u_char ifm_type; /* message type */
264 int ifm_addrs; /* like rtm_addrs */
265 int ifm_flags; /* value of if_flags */
266 u_short ifm_index; /* index for associated ifp */
267 struct if_data ifm_data;/* statistics and other data about if */
268};
269
270/*
271 * The 'l' version shall be used by new interfaces, like NET_RT_IFLISTL. It is
272 * extensible after ifm_data_off or within ifm_data. Both the if_msghdr and
273 * if_data now have a member field detailing the struct length in addition to
274 * the routing message length. Macros are provided to find the start of
275 * ifm_data and the start of the socket address strucutres immediately following
276 * struct if_msghdrl given a pointer to struct if_msghdrl.
277 */
278#define IF_MSGHDRL_IFM_DATA(_l) \
279 (struct if_data *)((char *)(_l) + (_l)->ifm_data_off)
280#define IF_MSGHDRL_RTA(_l) \
281 (void *)((uintptr_t)(_l) + (_l)->ifm_len)
282struct if_msghdrl {
283 u_short ifm_msglen; /* to skip over non-understood messages */
284 u_char ifm_version; /* future binary compatibility */
285 u_char ifm_type; /* message type */
286 int ifm_addrs; /* like rtm_addrs */
287 int ifm_flags; /* value of if_flags */
288 u_short ifm_index; /* index for associated ifp */
289 u_short _ifm_spare1; /* spare space to grow if_index, see if_var.h */
290 u_short ifm_len; /* length of if_msghdrl incl. if_data */
291 u_short ifm_data_off; /* offset of if_data from beginning */
292 struct if_data ifm_data;/* statistics and other data about if */
293};
294
295/*
296 * Message format for use in obtaining information about interface addresses
297 * from getkerninfo and the routing socket
298 * For the new, extensible interface see struct ifa_msghdrl below.
299 */
300struct ifa_msghdr {
301 u_short ifam_msglen; /* to skip over non-understood messages */
302 u_char ifam_version; /* future binary compatibility */
303 u_char ifam_type; /* message type */
304 int ifam_addrs; /* like rtm_addrs */
305 int ifam_flags; /* value of ifa_flags */
306 u_short ifam_index; /* index for associated ifp */
| 31 */
32
33#ifndef _NET_IF_H_
34#define _NET_IF_H_
35
36#include <sys/cdefs.h>
37
38#if __BSD_VISIBLE
39/*
40 * <net/if.h> does not depend on <sys/time.h> on most other systems. This
41 * helps userland compatibility. (struct timeval ifi_lastchange)
42 * The same holds for <sys/socket.h>. (struct sockaddr ifru_addr)
43 */
44#ifndef _KERNEL
45#include <sys/time.h>
46#include <sys/socket.h>
47#endif
48#endif
49
50/*
51 * Length of interface external name, including terminating '\0'.
52 * Note: this is the same size as a generic device's external name.
53 */
54#define IF_NAMESIZE 16
55#if __BSD_VISIBLE
56#define IFNAMSIZ IF_NAMESIZE
57#define IF_MAXUNIT 0x7fff /* historical value */
58#endif
59#if __BSD_VISIBLE
60
61/*
62 * Structure used to query names of interface cloners.
63 */
64
65struct if_clonereq {
66 int ifcr_total; /* total cloners (out) */
67 int ifcr_count; /* room for this many in user buffer */
68 char *ifcr_buffer; /* buffer for cloner names */
69};
70
71/*
72 * Structure describing information about an interface
73 * which may be of interest to management entities.
74 */
75struct if_data {
76 /* generic interface information */
77 uint8_t ifi_type; /* ethernet, tokenring, etc */
78 uint8_t ifi_physical; /* e.g., AUI, Thinnet, 10base-T, etc */
79 uint8_t ifi_addrlen; /* media address length */
80 uint8_t ifi_hdrlen; /* media header length */
81 uint8_t ifi_link_state; /* current link state */
82 uint8_t ifi_vhid; /* carp vhid */
83 uint16_t ifi_datalen; /* length of this data struct */
84 uint32_t ifi_mtu; /* maximum transmission unit */
85 uint32_t ifi_metric; /* routing metric (external only) */
86 uint64_t ifi_baudrate; /* linespeed */
87 /* volatile statistics */
88 uint64_t ifi_ipackets; /* packets received on interface */
89 uint64_t ifi_ierrors; /* input errors on interface */
90 uint64_t ifi_opackets; /* packets sent on interface */
91 uint64_t ifi_oerrors; /* output errors on interface */
92 uint64_t ifi_collisions; /* collisions on csma interfaces */
93 uint64_t ifi_ibytes; /* total number of octets received */
94 uint64_t ifi_obytes; /* total number of octets sent */
95 uint64_t ifi_imcasts; /* packets received via multicast */
96 uint64_t ifi_omcasts; /* packets sent via multicast */
97 uint64_t ifi_iqdrops; /* dropped on input */
98 uint64_t ifi_oqdrops; /* dropped on output */
99 uint64_t ifi_noproto; /* destined for unsupported protocol */
100 uint64_t ifi_hwassist; /* HW offload capabilities, see IFCAP */
101
102 /* Unions are here to make sizes MI. */
103 union { /* uptime at attach or stat reset */
104 time_t tt;
105 uint64_t ph;
106 } __ifi_epoch;
107#define ifi_epoch __ifi_epoch.tt
108 union { /* time of last administrative change */
109 struct timeval tv;
110 struct {
111 uint64_t ph1;
112 uint64_t ph2;
113 } ph;
114 } __ifi_lastchange;
115#define ifi_lastchange __ifi_lastchange.tv
116};
117
118/*-
119 * Interface flags are of two types: network stack owned flags, and driver
120 * owned flags. Historically, these values were stored in the same ifnet
121 * flags field, but with the advent of fine-grained locking, they have been
122 * broken out such that the network stack is responsible for synchronizing
123 * the stack-owned fields, and the device driver the device-owned fields.
124 * Both halves can perform lockless reads of the other half's field, subject
125 * to accepting the involved races.
126 *
127 * Both sets of flags come from the same number space, and should not be
128 * permitted to conflict, as they are exposed to user space via a single
129 * field.
130 *
131 * The following symbols identify read and write requirements for fields:
132 *
133 * (i) if_flags field set by device driver before attach, read-only there
134 * after.
135 * (n) if_flags field written only by the network stack, read by either the
136 * stack or driver.
137 * (d) if_drv_flags field written only by the device driver, read by either
138 * the stack or driver.
139 */
140#define IFF_UP 0x1 /* (n) interface is up */
141#define IFF_BROADCAST 0x2 /* (i) broadcast address valid */
142#define IFF_DEBUG 0x4 /* (n) turn on debugging */
143#define IFF_LOOPBACK 0x8 /* (i) is a loopback net */
144#define IFF_POINTOPOINT 0x10 /* (i) is a point-to-point link */
145/* 0x20 was IFF_SMART */
146#define IFF_DRV_RUNNING 0x40 /* (d) resources allocated */
147#define IFF_NOARP 0x80 /* (n) no address resolution protocol */
148#define IFF_PROMISC 0x100 /* (n) receive all packets */
149#define IFF_ALLMULTI 0x200 /* (n) receive all multicast packets */
150#define IFF_DRV_OACTIVE 0x400 /* (d) tx hardware queue is full */
151#define IFF_SIMPLEX 0x800 /* (i) can't hear own transmissions */
152#define IFF_LINK0 0x1000 /* per link layer defined bit */
153#define IFF_LINK1 0x2000 /* per link layer defined bit */
154#define IFF_LINK2 0x4000 /* per link layer defined bit */
155#define IFF_ALTPHYS IFF_LINK2 /* use alternate physical connection */
156#define IFF_MULTICAST 0x8000 /* (i) supports multicast */
157#define IFF_CANTCONFIG 0x10000 /* (i) unconfigurable using ioctl(2) */
158#define IFF_PPROMISC 0x20000 /* (n) user-requested promisc mode */
159#define IFF_MONITOR 0x40000 /* (n) user-requested monitor mode */
160#define IFF_STATICARP 0x80000 /* (n) static ARP */
161#define IFF_DYING 0x200000 /* (n) interface is winding down */
162#define IFF_RENAMING 0x400000 /* (n) interface is being renamed */
163/*
164 * Old names for driver flags so that user space tools can continue to use
165 * the old (portable) names.
166 */
167#ifndef _KERNEL
168#define IFF_RUNNING IFF_DRV_RUNNING
169#define IFF_OACTIVE IFF_DRV_OACTIVE
170#endif
171
172/* flags set internally only: */
173#define IFF_CANTCHANGE \
174 (IFF_BROADCAST|IFF_POINTOPOINT|IFF_DRV_RUNNING|IFF_DRV_OACTIVE|\
175 IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI|IFF_PROMISC|\
176 IFF_DYING|IFF_CANTCONFIG)
177
178/*
179 * Values for if_link_state.
180 */
181#define LINK_STATE_UNKNOWN 0 /* link invalid/unknown */
182#define LINK_STATE_DOWN 1 /* link is down */
183#define LINK_STATE_UP 2 /* link is up */
184
185/*
186 * Some convenience macros used for setting ifi_baudrate.
187 * XXX 1000 vs. 1024? --thorpej@netbsd.org
188 */
189#define IF_Kbps(x) ((uintmax_t)(x) * 1000) /* kilobits/sec. */
190#define IF_Mbps(x) (IF_Kbps((x) * 1000)) /* megabits/sec. */
191#define IF_Gbps(x) (IF_Mbps((x) * 1000)) /* gigabits/sec. */
192
193/*
194 * Capabilities that interfaces can advertise.
195 *
196 * struct ifnet.if_capabilities
197 * contains the optional features & capabilities a particular interface
198 * supports (not only the driver but also the detected hw revision).
199 * Capabilities are defined by IFCAP_* below.
200 * struct ifnet.if_capenable
201 * contains the enabled (either by default or through ifconfig) optional
202 * features & capabilities on this interface.
203 * Capabilities are defined by IFCAP_* below.
204 * struct if_data.ifi_hwassist in mbuf CSUM_ flag form, controlled by above
205 * contains the enabled optional feature & capabilites that can be used
206 * individually per packet and are specified in the mbuf pkthdr.csum_flags
207 * field. IFCAP_* and CSUM_* do not match one to one and CSUM_* may be
208 * more detailed or differenciated than IFCAP_*.
209 * Hwassist features are defined CSUM_* in sys/mbuf.h
210 *
211 * Capabilities that cannot be arbitrarily changed with ifconfig/ioctl
212 * are listed in IFCAP_CANTCHANGE, similar to IFF_CANTCHANGE.
213 * This is not strictly necessary because the common code never
214 * changes capabilities, and it is left to the individual driver
215 * to do the right thing. However, having the filter here
216 * avoids replication of the same code in all individual drivers.
217 */
218#define IFCAP_RXCSUM 0x00001 /* can offload checksum on RX */
219#define IFCAP_TXCSUM 0x00002 /* can offload checksum on TX */
220#define IFCAP_NETCONS 0x00004 /* can be a network console */
221#define IFCAP_VLAN_MTU 0x00008 /* VLAN-compatible MTU */
222#define IFCAP_VLAN_HWTAGGING 0x00010 /* hardware VLAN tag support */
223#define IFCAP_JUMBO_MTU 0x00020 /* 9000 byte MTU supported */
224#define IFCAP_POLLING 0x00040 /* driver supports polling */
225#define IFCAP_VLAN_HWCSUM 0x00080 /* can do IFCAP_HWCSUM on VLANs */
226#define IFCAP_TSO4 0x00100 /* can do TCP Segmentation Offload */
227#define IFCAP_TSO6 0x00200 /* can do TCP6 Segmentation Offload */
228#define IFCAP_LRO 0x00400 /* can do Large Receive Offload */
229#define IFCAP_WOL_UCAST 0x00800 /* wake on any unicast frame */
230#define IFCAP_WOL_MCAST 0x01000 /* wake on any multicast frame */
231#define IFCAP_WOL_MAGIC 0x02000 /* wake on any Magic Packet */
232#define IFCAP_TOE4 0x04000 /* interface can offload TCP */
233#define IFCAP_TOE6 0x08000 /* interface can offload TCP6 */
234#define IFCAP_VLAN_HWFILTER 0x10000 /* interface hw can filter vlan tag */
235#define IFCAP_POLLING_NOCOUNT 0x20000 /* polling ticks cannot be fragmented */
236#define IFCAP_VLAN_HWTSO 0x40000 /* can do IFCAP_TSO on VLANs */
237#define IFCAP_LINKSTATE 0x80000 /* the runtime link state is dynamic */
238#define IFCAP_NETMAP 0x100000 /* netmap mode supported/enabled */
239#define IFCAP_RXCSUM_IPV6 0x200000 /* can offload checksum on IPv6 RX */
240#define IFCAP_TXCSUM_IPV6 0x400000 /* can offload checksum on IPv6 TX */
241#define IFCAP_HWSTATS 0x800000 /* manages counters internally */
242
243#define IFCAP_HWCSUM_IPV6 (IFCAP_RXCSUM_IPV6 | IFCAP_TXCSUM_IPV6)
244
245#define IFCAP_HWCSUM (IFCAP_RXCSUM | IFCAP_TXCSUM)
246#define IFCAP_TSO (IFCAP_TSO4 | IFCAP_TSO6)
247#define IFCAP_WOL (IFCAP_WOL_UCAST | IFCAP_WOL_MCAST | IFCAP_WOL_MAGIC)
248#define IFCAP_TOE (IFCAP_TOE4 | IFCAP_TOE6)
249
250#define IFCAP_CANTCHANGE (IFCAP_NETMAP)
251
252#define IFQ_MAXLEN 50
253#define IFNET_SLOWHZ 1 /* granularity is 1 second */
254
255/*
256 * Message format for use in obtaining information about interfaces
257 * from getkerninfo and the routing socket
258 * For the new, extensible interface see struct if_msghdrl below.
259 */
260struct if_msghdr {
261 u_short ifm_msglen; /* to skip over non-understood messages */
262 u_char ifm_version; /* future binary compatibility */
263 u_char ifm_type; /* message type */
264 int ifm_addrs; /* like rtm_addrs */
265 int ifm_flags; /* value of if_flags */
266 u_short ifm_index; /* index for associated ifp */
267 struct if_data ifm_data;/* statistics and other data about if */
268};
269
270/*
271 * The 'l' version shall be used by new interfaces, like NET_RT_IFLISTL. It is
272 * extensible after ifm_data_off or within ifm_data. Both the if_msghdr and
273 * if_data now have a member field detailing the struct length in addition to
274 * the routing message length. Macros are provided to find the start of
275 * ifm_data and the start of the socket address strucutres immediately following
276 * struct if_msghdrl given a pointer to struct if_msghdrl.
277 */
278#define IF_MSGHDRL_IFM_DATA(_l) \
279 (struct if_data *)((char *)(_l) + (_l)->ifm_data_off)
280#define IF_MSGHDRL_RTA(_l) \
281 (void *)((uintptr_t)(_l) + (_l)->ifm_len)
282struct if_msghdrl {
283 u_short ifm_msglen; /* to skip over non-understood messages */
284 u_char ifm_version; /* future binary compatibility */
285 u_char ifm_type; /* message type */
286 int ifm_addrs; /* like rtm_addrs */
287 int ifm_flags; /* value of if_flags */
288 u_short ifm_index; /* index for associated ifp */
289 u_short _ifm_spare1; /* spare space to grow if_index, see if_var.h */
290 u_short ifm_len; /* length of if_msghdrl incl. if_data */
291 u_short ifm_data_off; /* offset of if_data from beginning */
292 struct if_data ifm_data;/* statistics and other data about if */
293};
294
295/*
296 * Message format for use in obtaining information about interface addresses
297 * from getkerninfo and the routing socket
298 * For the new, extensible interface see struct ifa_msghdrl below.
299 */
300struct ifa_msghdr {
301 u_short ifam_msglen; /* to skip over non-understood messages */
302 u_char ifam_version; /* future binary compatibility */
303 u_char ifam_type; /* message type */
304 int ifam_addrs; /* like rtm_addrs */
305 int ifam_flags; /* value of ifa_flags */
306 u_short ifam_index; /* index for associated ifp */
|
307 int ifam_metric; /* value of ifa_metric */
| 307 int ifam_metric; /* value of ifa_ifp->if_metric */
|
308};
309
310/*
311 * The 'l' version shall be used by new interfaces, like NET_RT_IFLISTL. It is
312 * extensible after ifam_metric or within ifam_data. Both the ifa_msghdrl and
313 * if_data now have a member field detailing the struct length in addition to
314 * the routing message length. Macros are provided to find the start of
315 * ifm_data and the start of the socket address strucutres immediately following
316 * struct ifa_msghdrl given a pointer to struct ifa_msghdrl.
317 */
318#define IFA_MSGHDRL_IFAM_DATA(_l) \
319 (struct if_data *)((char *)(_l) + (_l)->ifam_data_off)
320#define IFA_MSGHDRL_RTA(_l) \
321 (void *)((uintptr_t)(_l) + (_l)->ifam_len)
322struct ifa_msghdrl {
323 u_short ifam_msglen; /* to skip over non-understood messages */
324 u_char ifam_version; /* future binary compatibility */
325 u_char ifam_type; /* message type */
326 int ifam_addrs; /* like rtm_addrs */
327 int ifam_flags; /* value of ifa_flags */
328 u_short ifam_index; /* index for associated ifp */
329 u_short _ifam_spare1; /* spare space to grow if_index, see if_var.h */
330 u_short ifam_len; /* length of ifa_msghdrl incl. if_data */
331 u_short ifam_data_off; /* offset of if_data from beginning */
| 308};
309
310/*
311 * The 'l' version shall be used by new interfaces, like NET_RT_IFLISTL. It is
312 * extensible after ifam_metric or within ifam_data. Both the ifa_msghdrl and
313 * if_data now have a member field detailing the struct length in addition to
314 * the routing message length. Macros are provided to find the start of
315 * ifm_data and the start of the socket address strucutres immediately following
316 * struct ifa_msghdrl given a pointer to struct ifa_msghdrl.
317 */
318#define IFA_MSGHDRL_IFAM_DATA(_l) \
319 (struct if_data *)((char *)(_l) + (_l)->ifam_data_off)
320#define IFA_MSGHDRL_RTA(_l) \
321 (void *)((uintptr_t)(_l) + (_l)->ifam_len)
322struct ifa_msghdrl {
323 u_short ifam_msglen; /* to skip over non-understood messages */
324 u_char ifam_version; /* future binary compatibility */
325 u_char ifam_type; /* message type */
326 int ifam_addrs; /* like rtm_addrs */
327 int ifam_flags; /* value of ifa_flags */
328 u_short ifam_index; /* index for associated ifp */
329 u_short _ifam_spare1; /* spare space to grow if_index, see if_var.h */
330 u_short ifam_len; /* length of ifa_msghdrl incl. if_data */
331 u_short ifam_data_off; /* offset of if_data from beginning */
|
332 int ifam_metric; /* value of ifa_metric */
| 332 int ifam_metric; /* value of ifa_ifp->if_metric */
|
333 struct if_data ifam_data;/* statistics and other data about if or
334 * address */
335};
336
337/*
338 * Message format for use in obtaining information about multicast addresses
339 * from the routing socket
340 */
341struct ifma_msghdr {
342 u_short ifmam_msglen; /* to skip over non-understood messages */
343 u_char ifmam_version; /* future binary compatibility */
344 u_char ifmam_type; /* message type */
345 int ifmam_addrs; /* like rtm_addrs */
346 int ifmam_flags; /* value of ifa_flags */
347 u_short ifmam_index; /* index for associated ifp */
348};
349
350/*
351 * Message format announcing the arrival or departure of a network interface.
352 */
353struct if_announcemsghdr {
354 u_short ifan_msglen; /* to skip over non-understood messages */
355 u_char ifan_version; /* future binary compatibility */
356 u_char ifan_type; /* message type */
357 u_short ifan_index; /* index for associated ifp */
358 char ifan_name[IFNAMSIZ]; /* if name, e.g. "en0" */
359 u_short ifan_what; /* what type of announcement */
360};
361
362#define IFAN_ARRIVAL 0 /* interface arrival */
363#define IFAN_DEPARTURE 1 /* interface departure */
364
365/*
366 * Buffer with length to be used in SIOCGIFDESCR/SIOCSIFDESCR requests
367 */
368struct ifreq_buffer {
369 size_t length;
370 void *buffer;
371};
372
373/*
374 * Interface request structure used for socket
375 * ioctl's. All interface ioctl's must have parameter
376 * definitions which begin with ifr_name. The
377 * remainder may be interface specific.
378 */
379struct ifreq {
380 char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */
381 union {
382 struct sockaddr ifru_addr;
383 struct sockaddr ifru_dstaddr;
384 struct sockaddr ifru_broadaddr;
385 struct ifreq_buffer ifru_buffer;
386 short ifru_flags[2];
387 short ifru_index;
388 int ifru_jid;
389 int ifru_metric;
390 int ifru_mtu;
391 int ifru_phys;
392 int ifru_media;
393 caddr_t ifru_data;
394 int ifru_cap[2];
395 u_int ifru_fib;
396 } ifr_ifru;
397#define ifr_addr ifr_ifru.ifru_addr /* address */
398#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */
399#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
400#define ifr_buffer ifr_ifru.ifru_buffer /* user supplied buffer with its length */
401#define ifr_flags ifr_ifru.ifru_flags[0] /* flags (low 16 bits) */
402#define ifr_flagshigh ifr_ifru.ifru_flags[1] /* flags (high 16 bits) */
403#define ifr_jid ifr_ifru.ifru_jid /* jail/vnet */
404#define ifr_metric ifr_ifru.ifru_metric /* metric */
405#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
406#define ifr_phys ifr_ifru.ifru_phys /* physical wire */
407#define ifr_media ifr_ifru.ifru_media /* physical media */
408#define ifr_data ifr_ifru.ifru_data /* for use by interface */
409#define ifr_reqcap ifr_ifru.ifru_cap[0] /* requested capabilities */
410#define ifr_curcap ifr_ifru.ifru_cap[1] /* current capabilities */
411#define ifr_index ifr_ifru.ifru_index /* interface index */
412#define ifr_fib ifr_ifru.ifru_fib /* interface fib */
413};
414
415#define _SIZEOF_ADDR_IFREQ(ifr) \
416 ((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \
417 (sizeof(struct ifreq) - sizeof(struct sockaddr) + \
418 (ifr).ifr_addr.sa_len) : sizeof(struct ifreq))
419
420struct ifaliasreq {
421 char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */
422 struct sockaddr ifra_addr;
423 struct sockaddr ifra_broadaddr;
424 struct sockaddr ifra_mask;
425 int ifra_vhid;
426};
427
428/* 9.x compat */
429struct oifaliasreq {
430 char ifra_name[IFNAMSIZ];
431 struct sockaddr ifra_addr;
432 struct sockaddr ifra_broadaddr;
433 struct sockaddr ifra_mask;
434};
435
436struct ifmediareq {
437 char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */
438 int ifm_current; /* current media options */
439 int ifm_mask; /* don't care mask */
440 int ifm_status; /* media status */
441 int ifm_active; /* active options */
442 int ifm_count; /* # entries in ifm_ulist array */
443 int *ifm_ulist; /* media words */
444};
445
446struct ifdrv {
447 char ifd_name[IFNAMSIZ]; /* if name, e.g. "en0" */
448 unsigned long ifd_cmd;
449 size_t ifd_len;
450 void *ifd_data;
451};
452
453/*
454 * Structure used to retrieve aux status data from interfaces.
455 * Kernel suppliers to this interface should respect the formatting
456 * needed by ifconfig(8): each line starts with a TAB and ends with
457 * a newline. The canonical example to copy and paste is in if_tun.c.
458 */
459
460#define IFSTATMAX 800 /* 10 lines of text */
461struct ifstat {
462 char ifs_name[IFNAMSIZ]; /* if name, e.g. "en0" */
463 char ascii[IFSTATMAX + 1];
464};
465
466/*
467 * Structure used in SIOCGIFCONF request.
468 * Used to retrieve interface configuration
469 * for machine (useful for programs which
470 * must know all networks accessible).
471 */
472struct ifconf {
473 int ifc_len; /* size of associated buffer */
474 union {
475 caddr_t ifcu_buf;
476 struct ifreq *ifcu_req;
477 } ifc_ifcu;
478#define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */
479#define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */
480};
481
482/*
483 * interface groups
484 */
485
486#define IFG_ALL "all" /* group contains all interfaces */
487/* XXX: will we implement this? */
488#define IFG_EGRESS "egress" /* if(s) default route(s) point to */
489
490struct ifg_req {
491 union {
492 char ifgrqu_group[IFNAMSIZ];
493 char ifgrqu_member[IFNAMSIZ];
494 } ifgrq_ifgrqu;
495#define ifgrq_group ifgrq_ifgrqu.ifgrqu_group
496#define ifgrq_member ifgrq_ifgrqu.ifgrqu_member
497};
498
499/*
500 * Used to lookup groups for an interface
501 */
502struct ifgroupreq {
503 char ifgr_name[IFNAMSIZ];
504 u_int ifgr_len;
505 union {
506 char ifgru_group[IFNAMSIZ];
507 struct ifg_req *ifgru_groups;
508 } ifgr_ifgru;
509#define ifgr_group ifgr_ifgru.ifgru_group
510#define ifgr_groups ifgr_ifgru.ifgru_groups
511};
512
513#endif /* __BSD_VISIBLE */
514
515#ifdef _KERNEL
516#ifdef MALLOC_DECLARE
517MALLOC_DECLARE(M_IFADDR);
518MALLOC_DECLARE(M_IFMADDR);
519#endif
520#endif
521
522#ifndef _KERNEL
523struct if_nameindex {
524 unsigned int if_index; /* 1, 2, ... */
525 char *if_name; /* null terminated name: "le0", ... */
526};
527
528__BEGIN_DECLS
529void if_freenameindex(struct if_nameindex *);
530char *if_indextoname(unsigned int, char *);
531struct if_nameindex *if_nameindex(void);
532unsigned int if_nametoindex(const char *);
533__END_DECLS
534#endif
535#endif /* !_NET_IF_H_ */
| 333 struct if_data ifam_data;/* statistics and other data about if or
334 * address */
335};
336
337/*
338 * Message format for use in obtaining information about multicast addresses
339 * from the routing socket
340 */
341struct ifma_msghdr {
342 u_short ifmam_msglen; /* to skip over non-understood messages */
343 u_char ifmam_version; /* future binary compatibility */
344 u_char ifmam_type; /* message type */
345 int ifmam_addrs; /* like rtm_addrs */
346 int ifmam_flags; /* value of ifa_flags */
347 u_short ifmam_index; /* index for associated ifp */
348};
349
350/*
351 * Message format announcing the arrival or departure of a network interface.
352 */
353struct if_announcemsghdr {
354 u_short ifan_msglen; /* to skip over non-understood messages */
355 u_char ifan_version; /* future binary compatibility */
356 u_char ifan_type; /* message type */
357 u_short ifan_index; /* index for associated ifp */
358 char ifan_name[IFNAMSIZ]; /* if name, e.g. "en0" */
359 u_short ifan_what; /* what type of announcement */
360};
361
362#define IFAN_ARRIVAL 0 /* interface arrival */
363#define IFAN_DEPARTURE 1 /* interface departure */
364
365/*
366 * Buffer with length to be used in SIOCGIFDESCR/SIOCSIFDESCR requests
367 */
368struct ifreq_buffer {
369 size_t length;
370 void *buffer;
371};
372
373/*
374 * Interface request structure used for socket
375 * ioctl's. All interface ioctl's must have parameter
376 * definitions which begin with ifr_name. The
377 * remainder may be interface specific.
378 */
379struct ifreq {
380 char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */
381 union {
382 struct sockaddr ifru_addr;
383 struct sockaddr ifru_dstaddr;
384 struct sockaddr ifru_broadaddr;
385 struct ifreq_buffer ifru_buffer;
386 short ifru_flags[2];
387 short ifru_index;
388 int ifru_jid;
389 int ifru_metric;
390 int ifru_mtu;
391 int ifru_phys;
392 int ifru_media;
393 caddr_t ifru_data;
394 int ifru_cap[2];
395 u_int ifru_fib;
396 } ifr_ifru;
397#define ifr_addr ifr_ifru.ifru_addr /* address */
398#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */
399#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
400#define ifr_buffer ifr_ifru.ifru_buffer /* user supplied buffer with its length */
401#define ifr_flags ifr_ifru.ifru_flags[0] /* flags (low 16 bits) */
402#define ifr_flagshigh ifr_ifru.ifru_flags[1] /* flags (high 16 bits) */
403#define ifr_jid ifr_ifru.ifru_jid /* jail/vnet */
404#define ifr_metric ifr_ifru.ifru_metric /* metric */
405#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
406#define ifr_phys ifr_ifru.ifru_phys /* physical wire */
407#define ifr_media ifr_ifru.ifru_media /* physical media */
408#define ifr_data ifr_ifru.ifru_data /* for use by interface */
409#define ifr_reqcap ifr_ifru.ifru_cap[0] /* requested capabilities */
410#define ifr_curcap ifr_ifru.ifru_cap[1] /* current capabilities */
411#define ifr_index ifr_ifru.ifru_index /* interface index */
412#define ifr_fib ifr_ifru.ifru_fib /* interface fib */
413};
414
415#define _SIZEOF_ADDR_IFREQ(ifr) \
416 ((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \
417 (sizeof(struct ifreq) - sizeof(struct sockaddr) + \
418 (ifr).ifr_addr.sa_len) : sizeof(struct ifreq))
419
420struct ifaliasreq {
421 char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */
422 struct sockaddr ifra_addr;
423 struct sockaddr ifra_broadaddr;
424 struct sockaddr ifra_mask;
425 int ifra_vhid;
426};
427
428/* 9.x compat */
429struct oifaliasreq {
430 char ifra_name[IFNAMSIZ];
431 struct sockaddr ifra_addr;
432 struct sockaddr ifra_broadaddr;
433 struct sockaddr ifra_mask;
434};
435
436struct ifmediareq {
437 char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */
438 int ifm_current; /* current media options */
439 int ifm_mask; /* don't care mask */
440 int ifm_status; /* media status */
441 int ifm_active; /* active options */
442 int ifm_count; /* # entries in ifm_ulist array */
443 int *ifm_ulist; /* media words */
444};
445
446struct ifdrv {
447 char ifd_name[IFNAMSIZ]; /* if name, e.g. "en0" */
448 unsigned long ifd_cmd;
449 size_t ifd_len;
450 void *ifd_data;
451};
452
453/*
454 * Structure used to retrieve aux status data from interfaces.
455 * Kernel suppliers to this interface should respect the formatting
456 * needed by ifconfig(8): each line starts with a TAB and ends with
457 * a newline. The canonical example to copy and paste is in if_tun.c.
458 */
459
460#define IFSTATMAX 800 /* 10 lines of text */
461struct ifstat {
462 char ifs_name[IFNAMSIZ]; /* if name, e.g. "en0" */
463 char ascii[IFSTATMAX + 1];
464};
465
466/*
467 * Structure used in SIOCGIFCONF request.
468 * Used to retrieve interface configuration
469 * for machine (useful for programs which
470 * must know all networks accessible).
471 */
472struct ifconf {
473 int ifc_len; /* size of associated buffer */
474 union {
475 caddr_t ifcu_buf;
476 struct ifreq *ifcu_req;
477 } ifc_ifcu;
478#define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */
479#define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */
480};
481
482/*
483 * interface groups
484 */
485
486#define IFG_ALL "all" /* group contains all interfaces */
487/* XXX: will we implement this? */
488#define IFG_EGRESS "egress" /* if(s) default route(s) point to */
489
490struct ifg_req {
491 union {
492 char ifgrqu_group[IFNAMSIZ];
493 char ifgrqu_member[IFNAMSIZ];
494 } ifgrq_ifgrqu;
495#define ifgrq_group ifgrq_ifgrqu.ifgrqu_group
496#define ifgrq_member ifgrq_ifgrqu.ifgrqu_member
497};
498
499/*
500 * Used to lookup groups for an interface
501 */
502struct ifgroupreq {
503 char ifgr_name[IFNAMSIZ];
504 u_int ifgr_len;
505 union {
506 char ifgru_group[IFNAMSIZ];
507 struct ifg_req *ifgru_groups;
508 } ifgr_ifgru;
509#define ifgr_group ifgr_ifgru.ifgru_group
510#define ifgr_groups ifgr_ifgru.ifgru_groups
511};
512
513#endif /* __BSD_VISIBLE */
514
515#ifdef _KERNEL
516#ifdef MALLOC_DECLARE
517MALLOC_DECLARE(M_IFADDR);
518MALLOC_DECLARE(M_IFMADDR);
519#endif
520#endif
521
522#ifndef _KERNEL
523struct if_nameindex {
524 unsigned int if_index; /* 1, 2, ... */
525 char *if_name; /* null terminated name: "le0", ... */
526};
527
528__BEGIN_DECLS
529void if_freenameindex(struct if_nameindex *);
530char *if_indextoname(unsigned int, char *);
531struct if_nameindex *if_nameindex(void);
532unsigned int if_nametoindex(const char *);
533__END_DECLS
534#endif
535#endif /* !_NET_IF_H_ */
|