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 193096 2009-05-30 15:14:44Z attilio $
| 30 * $FreeBSD: head/sys/net/if.h 194251 2009-06-15 18:59:29Z jamie $
|
31 */
32
33#ifndef _NET_IF_H_
34#define _NET_IF_H_
35
36#include <sys/cdefs.h>
37
38#ifdef _KERNEL
39#include <sys/queue.h>
40#endif
41
42#if __BSD_VISIBLE
43/*
44 * <net/if.h> does not depend on <sys/time.h> on most other systems. This
45 * helps userland compatibility. (struct timeval ifi_lastchange)
46 */
47#ifndef _KERNEL
48#include <sys/time.h>
49#endif
50
51struct ifnet;
52#endif
53
54/*
55 * Length of interface external name, including terminating '\0'.
56 * Note: this is the same size as a generic device's external name.
57 */
58#define IF_NAMESIZE 16
59#if __BSD_VISIBLE
60#define IFNAMSIZ IF_NAMESIZE
61#define IF_MAXUNIT 0x7fff /* historical value */
62#endif
63#if __BSD_VISIBLE
64
65/*
66 * Structure used to query names of interface cloners.
67 */
68
69struct if_clonereq {
70 int ifcr_total; /* total cloners (out) */
71 int ifcr_count; /* room for this many in user buffer */
72 char *ifcr_buffer; /* buffer for cloner names */
73};
74
75/*
76 * Structure describing information about an interface
77 * which may be of interest to management entities.
78 */
79struct if_data {
80 /* generic interface information */
81 u_char ifi_type; /* ethernet, tokenring, etc */
82 u_char ifi_physical; /* e.g., AUI, Thinnet, 10base-T, etc */
83 u_char ifi_addrlen; /* media address length */
84 u_char ifi_hdrlen; /* media header length */
85 u_char ifi_link_state; /* current link state */
86 u_char ifi_spare_char1; /* spare byte */
87 u_char ifi_spare_char2; /* spare byte */
88 u_char ifi_datalen; /* length of this data struct */
89 u_long ifi_mtu; /* maximum transmission unit */
90 u_long ifi_metric; /* routing metric (external only) */
91 u_long ifi_baudrate; /* linespeed */
92 /* volatile statistics */
93 u_long ifi_ipackets; /* packets received on interface */
94 u_long ifi_ierrors; /* input errors on interface */
95 u_long ifi_opackets; /* packets sent on interface */
96 u_long ifi_oerrors; /* output errors on interface */
97 u_long ifi_collisions; /* collisions on csma interfaces */
98 u_long ifi_ibytes; /* total number of octets received */
99 u_long ifi_obytes; /* total number of octets sent */
100 u_long ifi_imcasts; /* packets received via multicast */
101 u_long ifi_omcasts; /* packets sent via multicast */
102 u_long ifi_iqdrops; /* dropped on input, this interface */
103 u_long ifi_noproto; /* destined for unsupported protocol */
104 u_long ifi_hwassist; /* HW offload capabilities, see IFCAP */
105 time_t ifi_epoch; /* uptime at attach or stat reset */
106 struct timeval ifi_lastchange; /* time of last administrative change */
107};
108
109/*-
110 * Interface flags are of two types: network stack owned flags, and driver
111 * owned flags. Historically, these values were stored in the same ifnet
112 * flags field, but with the advent of fine-grained locking, they have been
113 * broken out such that the network stack is responsible for synchronizing
114 * the stack-owned fields, and the device driver the device-owned fields.
115 * Both halves can perform lockless reads of the other half's field, subject
116 * to accepting the involved races.
117 *
118 * Both sets of flags come from the same number space, and should not be
119 * permitted to conflict, as they are exposed to user space via a single
120 * field.
121 *
122 * The following symbols identify read and write requirements for fields:
123 *
124 * (i) if_flags field set by device driver before attach, read-only there
125 * after.
126 * (n) if_flags field written only by the network stack, read by either the
127 * stack or driver.
128 * (d) if_drv_flags field written only by the device driver, read by either
129 * the stack or driver.
130 */
131#define IFF_UP 0x1 /* (n) interface is up */
132#define IFF_BROADCAST 0x2 /* (i) broadcast address valid */
133#define IFF_DEBUG 0x4 /* (n) turn on debugging */
134#define IFF_LOOPBACK 0x8 /* (i) is a loopback net */
135#define IFF_POINTOPOINT 0x10 /* (i) is a point-to-point link */
136#define IFF_SMART 0x20 /* (i) interface manages own routes */
137#define IFF_DRV_RUNNING 0x40 /* (d) resources allocated */
138#define IFF_NOARP 0x80 /* (n) no address resolution protocol */
139#define IFF_PROMISC 0x100 /* (n) receive all packets */
140#define IFF_ALLMULTI 0x200 /* (n) receive all multicast packets */
141#define IFF_DRV_OACTIVE 0x400 /* (d) tx hardware queue is full */
142#define IFF_SIMPLEX 0x800 /* (i) can't hear own transmissions */
143#define IFF_LINK0 0x1000 /* per link layer defined bit */
144#define IFF_LINK1 0x2000 /* per link layer defined bit */
145#define IFF_LINK2 0x4000 /* per link layer defined bit */
146#define IFF_ALTPHYS IFF_LINK2 /* use alternate physical connection */
147#define IFF_MULTICAST 0x8000 /* (i) supports multicast */
148/* 0x10000 */
149#define IFF_PPROMISC 0x20000 /* (n) user-requested promisc mode */
150#define IFF_MONITOR 0x40000 /* (n) user-requested monitor mode */
151#define IFF_STATICARP 0x80000 /* (n) static ARP */
152#define IFF_DYING 0x200000 /* (n) interface is winding down */
153
154/*
155 * Old names for driver flags so that user space tools can continue to use
156 * the old (portable) names.
157 */
158#ifndef _KERNEL
159#define IFF_RUNNING IFF_DRV_RUNNING
160#define IFF_OACTIVE IFF_DRV_OACTIVE
161#endif
162
163/* flags set internally only: */
164#define IFF_CANTCHANGE \
165 (IFF_BROADCAST|IFF_POINTOPOINT|IFF_DRV_RUNNING|IFF_DRV_OACTIVE|\
166 IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI|IFF_SMART|IFF_PROMISC|\
167 IFF_DYING)
168
169/*
170 * Values for if_link_state.
171 */
172#define LINK_STATE_UNKNOWN 0 /* link invalid/unknown */
173#define LINK_STATE_DOWN 1 /* link is down */
174#define LINK_STATE_UP 2 /* link is up */
175
176/*
177 * Some convenience macros used for setting ifi_baudrate.
178 * XXX 1000 vs. 1024? --thorpej@netbsd.org
179 */
180#define IF_Kbps(x) ((x) * 1000) /* kilobits/sec. */
181#define IF_Mbps(x) (IF_Kbps((x) * 1000)) /* megabits/sec. */
182#define IF_Gbps(x) (IF_Mbps((x) * 1000)) /* gigabits/sec. */
183
184/*
185 * Capabilities that interfaces can advertise.
186 *
187 * struct ifnet.if_capabilities
188 * contains the optional features & capabilities a particular interface
189 * supports (not only the driver but also the detected hw revision).
190 * Capabilities are defined by IFCAP_* below.
191 * struct ifnet.if_capenable
192 * contains the enabled (either by default or through ifconfig) optional
193 * features & capabilities on this interface.
194 * Capabilities are defined by IFCAP_* below.
195 * struct if_data.ifi_hwassist in mbuf CSUM_ flag form, controlled by above
196 * contains the enabled optional feature & capabilites that can be used
197 * individually per packet and are specified in the mbuf pkthdr.csum_flags
198 * field. IFCAP_* and CSUM_* do not match one to one and CSUM_* may be
199 * more detailed or differenciated than IFCAP_*.
200 * Hwassist features are defined CSUM_* in sys/mbuf.h
201 */
202#define IFCAP_RXCSUM 0x00001 /* can offload checksum on RX */
203#define IFCAP_TXCSUM 0x00002 /* can offload checksum on TX */
204#define IFCAP_NETCONS 0x00004 /* can be a network console */
205#define IFCAP_VLAN_MTU 0x00008 /* VLAN-compatible MTU */
206#define IFCAP_VLAN_HWTAGGING 0x00010 /* hardware VLAN tag support */
207#define IFCAP_JUMBO_MTU 0x00020 /* 9000 byte MTU supported */
208#define IFCAP_POLLING 0x00040 /* driver supports polling */
209#define IFCAP_VLAN_HWCSUM 0x00080 /* can do IFCAP_HWCSUM on VLANs */
210#define IFCAP_TSO4 0x00100 /* can do TCP Segmentation Offload */
211#define IFCAP_TSO6 0x00200 /* can do TCP6 Segmentation Offload */
212#define IFCAP_LRO 0x00400 /* can do Large Receive Offload */
213#define IFCAP_WOL_UCAST 0x00800 /* wake on any unicast frame */
214#define IFCAP_WOL_MCAST 0x01000 /* wake on any multicast frame */
215#define IFCAP_WOL_MAGIC 0x02000 /* wake on any Magic Packet */
216#define IFCAP_TOE4 0x04000 /* interface can offload TCP */
217#define IFCAP_TOE6 0x08000 /* interface can offload TCP6 */
218#define IFCAP_VLAN_HWFILTER 0x10000 /* interface hw can filter vlan tag */
219#define IFCAP_POLLING_NOCOUNT 0x20000 /* polling ticks cannot be fragmented */
220
221#define IFCAP_HWCSUM (IFCAP_RXCSUM | IFCAP_TXCSUM)
222#define IFCAP_TSO (IFCAP_TSO4 | IFCAP_TSO6)
223#define IFCAP_WOL (IFCAP_WOL_UCAST | IFCAP_WOL_MCAST | IFCAP_WOL_MAGIC)
224#define IFCAP_TOE (IFCAP_TOE4 | IFCAP_TOE6)
225
226#define IFQ_MAXLEN 50
227#define IFNET_SLOWHZ 1 /* granularity is 1 second */
228
229/*
230 * Message format for use in obtaining information about interfaces
231 * from getkerninfo and the routing socket
232 */
233struct if_msghdr {
234 u_short ifm_msglen; /* to skip over non-understood messages */
235 u_char ifm_version; /* future binary compatibility */
236 u_char ifm_type; /* message type */
237 int ifm_addrs; /* like rtm_addrs */
238 int ifm_flags; /* value of if_flags */
239 u_short ifm_index; /* index for associated ifp */
240 struct if_data ifm_data;/* statistics and other data about if */
241};
242
243/*
244 * Message format for use in obtaining information about interface addresses
245 * from getkerninfo and the routing socket
246 */
247struct ifa_msghdr {
248 u_short ifam_msglen; /* to skip over non-understood messages */
249 u_char ifam_version; /* future binary compatibility */
250 u_char ifam_type; /* message type */
251 int ifam_addrs; /* like rtm_addrs */
252 int ifam_flags; /* value of ifa_flags */
253 u_short ifam_index; /* index for associated ifp */
254 int ifam_metric; /* value of ifa_metric */
255};
256
257/*
258 * Message format for use in obtaining information about multicast addresses
259 * from the routing socket
260 */
261struct ifma_msghdr {
262 u_short ifmam_msglen; /* to skip over non-understood messages */
263 u_char ifmam_version; /* future binary compatibility */
264 u_char ifmam_type; /* message type */
265 int ifmam_addrs; /* like rtm_addrs */
266 int ifmam_flags; /* value of ifa_flags */
267 u_short ifmam_index; /* index for associated ifp */
268};
269
270/*
271 * Message format announcing the arrival or departure of a network interface.
272 */
273struct if_announcemsghdr {
274 u_short ifan_msglen; /* to skip over non-understood messages */
275 u_char ifan_version; /* future binary compatibility */
276 u_char ifan_type; /* message type */
277 u_short ifan_index; /* index for associated ifp */
278 char ifan_name[IFNAMSIZ]; /* if name, e.g. "en0" */
279 u_short ifan_what; /* what type of announcement */
280};
281
282#define IFAN_ARRIVAL 0 /* interface arrival */
283#define IFAN_DEPARTURE 1 /* interface departure */
284
285/*
286 * Interface request structure used for socket
287 * ioctl's. All interface ioctl's must have parameter
288 * definitions which begin with ifr_name. The
289 * remainder may be interface specific.
290 */
291struct ifreq {
292 char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */
293 union {
294 struct sockaddr ifru_addr;
295 struct sockaddr ifru_dstaddr;
296 struct sockaddr ifru_broadaddr;
297 short ifru_flags[2];
298 short ifru_index;
| 31 */
32
33#ifndef _NET_IF_H_
34#define _NET_IF_H_
35
36#include <sys/cdefs.h>
37
38#ifdef _KERNEL
39#include <sys/queue.h>
40#endif
41
42#if __BSD_VISIBLE
43/*
44 * <net/if.h> does not depend on <sys/time.h> on most other systems. This
45 * helps userland compatibility. (struct timeval ifi_lastchange)
46 */
47#ifndef _KERNEL
48#include <sys/time.h>
49#endif
50
51struct ifnet;
52#endif
53
54/*
55 * Length of interface external name, including terminating '\0'.
56 * Note: this is the same size as a generic device's external name.
57 */
58#define IF_NAMESIZE 16
59#if __BSD_VISIBLE
60#define IFNAMSIZ IF_NAMESIZE
61#define IF_MAXUNIT 0x7fff /* historical value */
62#endif
63#if __BSD_VISIBLE
64
65/*
66 * Structure used to query names of interface cloners.
67 */
68
69struct if_clonereq {
70 int ifcr_total; /* total cloners (out) */
71 int ifcr_count; /* room for this many in user buffer */
72 char *ifcr_buffer; /* buffer for cloner names */
73};
74
75/*
76 * Structure describing information about an interface
77 * which may be of interest to management entities.
78 */
79struct if_data {
80 /* generic interface information */
81 u_char ifi_type; /* ethernet, tokenring, etc */
82 u_char ifi_physical; /* e.g., AUI, Thinnet, 10base-T, etc */
83 u_char ifi_addrlen; /* media address length */
84 u_char ifi_hdrlen; /* media header length */
85 u_char ifi_link_state; /* current link state */
86 u_char ifi_spare_char1; /* spare byte */
87 u_char ifi_spare_char2; /* spare byte */
88 u_char ifi_datalen; /* length of this data struct */
89 u_long ifi_mtu; /* maximum transmission unit */
90 u_long ifi_metric; /* routing metric (external only) */
91 u_long ifi_baudrate; /* linespeed */
92 /* volatile statistics */
93 u_long ifi_ipackets; /* packets received on interface */
94 u_long ifi_ierrors; /* input errors on interface */
95 u_long ifi_opackets; /* packets sent on interface */
96 u_long ifi_oerrors; /* output errors on interface */
97 u_long ifi_collisions; /* collisions on csma interfaces */
98 u_long ifi_ibytes; /* total number of octets received */
99 u_long ifi_obytes; /* total number of octets sent */
100 u_long ifi_imcasts; /* packets received via multicast */
101 u_long ifi_omcasts; /* packets sent via multicast */
102 u_long ifi_iqdrops; /* dropped on input, this interface */
103 u_long ifi_noproto; /* destined for unsupported protocol */
104 u_long ifi_hwassist; /* HW offload capabilities, see IFCAP */
105 time_t ifi_epoch; /* uptime at attach or stat reset */
106 struct timeval ifi_lastchange; /* time of last administrative change */
107};
108
109/*-
110 * Interface flags are of two types: network stack owned flags, and driver
111 * owned flags. Historically, these values were stored in the same ifnet
112 * flags field, but with the advent of fine-grained locking, they have been
113 * broken out such that the network stack is responsible for synchronizing
114 * the stack-owned fields, and the device driver the device-owned fields.
115 * Both halves can perform lockless reads of the other half's field, subject
116 * to accepting the involved races.
117 *
118 * Both sets of flags come from the same number space, and should not be
119 * permitted to conflict, as they are exposed to user space via a single
120 * field.
121 *
122 * The following symbols identify read and write requirements for fields:
123 *
124 * (i) if_flags field set by device driver before attach, read-only there
125 * after.
126 * (n) if_flags field written only by the network stack, read by either the
127 * stack or driver.
128 * (d) if_drv_flags field written only by the device driver, read by either
129 * the stack or driver.
130 */
131#define IFF_UP 0x1 /* (n) interface is up */
132#define IFF_BROADCAST 0x2 /* (i) broadcast address valid */
133#define IFF_DEBUG 0x4 /* (n) turn on debugging */
134#define IFF_LOOPBACK 0x8 /* (i) is a loopback net */
135#define IFF_POINTOPOINT 0x10 /* (i) is a point-to-point link */
136#define IFF_SMART 0x20 /* (i) interface manages own routes */
137#define IFF_DRV_RUNNING 0x40 /* (d) resources allocated */
138#define IFF_NOARP 0x80 /* (n) no address resolution protocol */
139#define IFF_PROMISC 0x100 /* (n) receive all packets */
140#define IFF_ALLMULTI 0x200 /* (n) receive all multicast packets */
141#define IFF_DRV_OACTIVE 0x400 /* (d) tx hardware queue is full */
142#define IFF_SIMPLEX 0x800 /* (i) can't hear own transmissions */
143#define IFF_LINK0 0x1000 /* per link layer defined bit */
144#define IFF_LINK1 0x2000 /* per link layer defined bit */
145#define IFF_LINK2 0x4000 /* per link layer defined bit */
146#define IFF_ALTPHYS IFF_LINK2 /* use alternate physical connection */
147#define IFF_MULTICAST 0x8000 /* (i) supports multicast */
148/* 0x10000 */
149#define IFF_PPROMISC 0x20000 /* (n) user-requested promisc mode */
150#define IFF_MONITOR 0x40000 /* (n) user-requested monitor mode */
151#define IFF_STATICARP 0x80000 /* (n) static ARP */
152#define IFF_DYING 0x200000 /* (n) interface is winding down */
153
154/*
155 * Old names for driver flags so that user space tools can continue to use
156 * the old (portable) names.
157 */
158#ifndef _KERNEL
159#define IFF_RUNNING IFF_DRV_RUNNING
160#define IFF_OACTIVE IFF_DRV_OACTIVE
161#endif
162
163/* flags set internally only: */
164#define IFF_CANTCHANGE \
165 (IFF_BROADCAST|IFF_POINTOPOINT|IFF_DRV_RUNNING|IFF_DRV_OACTIVE|\
166 IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI|IFF_SMART|IFF_PROMISC|\
167 IFF_DYING)
168
169/*
170 * Values for if_link_state.
171 */
172#define LINK_STATE_UNKNOWN 0 /* link invalid/unknown */
173#define LINK_STATE_DOWN 1 /* link is down */
174#define LINK_STATE_UP 2 /* link is up */
175
176/*
177 * Some convenience macros used for setting ifi_baudrate.
178 * XXX 1000 vs. 1024? --thorpej@netbsd.org
179 */
180#define IF_Kbps(x) ((x) * 1000) /* kilobits/sec. */
181#define IF_Mbps(x) (IF_Kbps((x) * 1000)) /* megabits/sec. */
182#define IF_Gbps(x) (IF_Mbps((x) * 1000)) /* gigabits/sec. */
183
184/*
185 * Capabilities that interfaces can advertise.
186 *
187 * struct ifnet.if_capabilities
188 * contains the optional features & capabilities a particular interface
189 * supports (not only the driver but also the detected hw revision).
190 * Capabilities are defined by IFCAP_* below.
191 * struct ifnet.if_capenable
192 * contains the enabled (either by default or through ifconfig) optional
193 * features & capabilities on this interface.
194 * Capabilities are defined by IFCAP_* below.
195 * struct if_data.ifi_hwassist in mbuf CSUM_ flag form, controlled by above
196 * contains the enabled optional feature & capabilites that can be used
197 * individually per packet and are specified in the mbuf pkthdr.csum_flags
198 * field. IFCAP_* and CSUM_* do not match one to one and CSUM_* may be
199 * more detailed or differenciated than IFCAP_*.
200 * Hwassist features are defined CSUM_* in sys/mbuf.h
201 */
202#define IFCAP_RXCSUM 0x00001 /* can offload checksum on RX */
203#define IFCAP_TXCSUM 0x00002 /* can offload checksum on TX */
204#define IFCAP_NETCONS 0x00004 /* can be a network console */
205#define IFCAP_VLAN_MTU 0x00008 /* VLAN-compatible MTU */
206#define IFCAP_VLAN_HWTAGGING 0x00010 /* hardware VLAN tag support */
207#define IFCAP_JUMBO_MTU 0x00020 /* 9000 byte MTU supported */
208#define IFCAP_POLLING 0x00040 /* driver supports polling */
209#define IFCAP_VLAN_HWCSUM 0x00080 /* can do IFCAP_HWCSUM on VLANs */
210#define IFCAP_TSO4 0x00100 /* can do TCP Segmentation Offload */
211#define IFCAP_TSO6 0x00200 /* can do TCP6 Segmentation Offload */
212#define IFCAP_LRO 0x00400 /* can do Large Receive Offload */
213#define IFCAP_WOL_UCAST 0x00800 /* wake on any unicast frame */
214#define IFCAP_WOL_MCAST 0x01000 /* wake on any multicast frame */
215#define IFCAP_WOL_MAGIC 0x02000 /* wake on any Magic Packet */
216#define IFCAP_TOE4 0x04000 /* interface can offload TCP */
217#define IFCAP_TOE6 0x08000 /* interface can offload TCP6 */
218#define IFCAP_VLAN_HWFILTER 0x10000 /* interface hw can filter vlan tag */
219#define IFCAP_POLLING_NOCOUNT 0x20000 /* polling ticks cannot be fragmented */
220
221#define IFCAP_HWCSUM (IFCAP_RXCSUM | IFCAP_TXCSUM)
222#define IFCAP_TSO (IFCAP_TSO4 | IFCAP_TSO6)
223#define IFCAP_WOL (IFCAP_WOL_UCAST | IFCAP_WOL_MCAST | IFCAP_WOL_MAGIC)
224#define IFCAP_TOE (IFCAP_TOE4 | IFCAP_TOE6)
225
226#define IFQ_MAXLEN 50
227#define IFNET_SLOWHZ 1 /* granularity is 1 second */
228
229/*
230 * Message format for use in obtaining information about interfaces
231 * from getkerninfo and the routing socket
232 */
233struct if_msghdr {
234 u_short ifm_msglen; /* to skip over non-understood messages */
235 u_char ifm_version; /* future binary compatibility */
236 u_char ifm_type; /* message type */
237 int ifm_addrs; /* like rtm_addrs */
238 int ifm_flags; /* value of if_flags */
239 u_short ifm_index; /* index for associated ifp */
240 struct if_data ifm_data;/* statistics and other data about if */
241};
242
243/*
244 * Message format for use in obtaining information about interface addresses
245 * from getkerninfo and the routing socket
246 */
247struct ifa_msghdr {
248 u_short ifam_msglen; /* to skip over non-understood messages */
249 u_char ifam_version; /* future binary compatibility */
250 u_char ifam_type; /* message type */
251 int ifam_addrs; /* like rtm_addrs */
252 int ifam_flags; /* value of ifa_flags */
253 u_short ifam_index; /* index for associated ifp */
254 int ifam_metric; /* value of ifa_metric */
255};
256
257/*
258 * Message format for use in obtaining information about multicast addresses
259 * from the routing socket
260 */
261struct ifma_msghdr {
262 u_short ifmam_msglen; /* to skip over non-understood messages */
263 u_char ifmam_version; /* future binary compatibility */
264 u_char ifmam_type; /* message type */
265 int ifmam_addrs; /* like rtm_addrs */
266 int ifmam_flags; /* value of ifa_flags */
267 u_short ifmam_index; /* index for associated ifp */
268};
269
270/*
271 * Message format announcing the arrival or departure of a network interface.
272 */
273struct if_announcemsghdr {
274 u_short ifan_msglen; /* to skip over non-understood messages */
275 u_char ifan_version; /* future binary compatibility */
276 u_char ifan_type; /* message type */
277 u_short ifan_index; /* index for associated ifp */
278 char ifan_name[IFNAMSIZ]; /* if name, e.g. "en0" */
279 u_short ifan_what; /* what type of announcement */
280};
281
282#define IFAN_ARRIVAL 0 /* interface arrival */
283#define IFAN_DEPARTURE 1 /* interface departure */
284
285/*
286 * Interface request structure used for socket
287 * ioctl's. All interface ioctl's must have parameter
288 * definitions which begin with ifr_name. The
289 * remainder may be interface specific.
290 */
291struct ifreq {
292 char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */
293 union {
294 struct sockaddr ifru_addr;
295 struct sockaddr ifru_dstaddr;
296 struct sockaddr ifru_broadaddr;
297 short ifru_flags[2];
298 short ifru_index;
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| 299 int ifru_jid;
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299 int ifru_metric;
300 int ifru_mtu;
301 int ifru_phys;
302 int ifru_media;
303 caddr_t ifru_data;
304 int ifru_cap[2];
305 } ifr_ifru;
306#define ifr_addr ifr_ifru.ifru_addr /* address */
307#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */
308#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
309#define ifr_flags ifr_ifru.ifru_flags[0] /* flags (low 16 bits) */
310#define ifr_flagshigh ifr_ifru.ifru_flags[1] /* flags (high 16 bits) */
| 300 int ifru_metric;
301 int ifru_mtu;
302 int ifru_phys;
303 int ifru_media;
304 caddr_t ifru_data;
305 int ifru_cap[2];
306 } ifr_ifru;
307#define ifr_addr ifr_ifru.ifru_addr /* address */
308#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */
309#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
310#define ifr_flags ifr_ifru.ifru_flags[0] /* flags (low 16 bits) */
311#define ifr_flagshigh ifr_ifru.ifru_flags[1] /* flags (high 16 bits) */
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| 312#define ifr_jid ifr_ifru.ifru_jid /* jail/vnet */
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311#define ifr_metric ifr_ifru.ifru_metric /* metric */
312#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
313#define ifr_phys ifr_ifru.ifru_phys /* physical wire */
314#define ifr_media ifr_ifru.ifru_media /* physical media */
315#define ifr_data ifr_ifru.ifru_data /* for use by interface */
316#define ifr_reqcap ifr_ifru.ifru_cap[0] /* requested capabilities */
317#define ifr_curcap ifr_ifru.ifru_cap[1] /* current capabilities */
318#define ifr_index ifr_ifru.ifru_index /* interface index */
319};
320
321#define _SIZEOF_ADDR_IFREQ(ifr) \
322 ((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \
323 (sizeof(struct ifreq) - sizeof(struct sockaddr) + \
324 (ifr).ifr_addr.sa_len) : sizeof(struct ifreq))
325
326struct ifaliasreq {
327 char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */
328 struct sockaddr ifra_addr;
329 struct sockaddr ifra_broadaddr;
330 struct sockaddr ifra_mask;
331};
332
333struct ifmediareq {
334 char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */
335 int ifm_current; /* current media options */
336 int ifm_mask; /* don't care mask */
337 int ifm_status; /* media status */
338 int ifm_active; /* active options */
339 int ifm_count; /* # entries in ifm_ulist array */
340 int *ifm_ulist; /* media words */
341};
342
343struct ifdrv {
344 char ifd_name[IFNAMSIZ]; /* if name, e.g. "en0" */
345 unsigned long ifd_cmd;
346 size_t ifd_len;
347 void *ifd_data;
348};
349
350/*
351 * Structure used to retrieve aux status data from interfaces.
352 * Kernel suppliers to this interface should respect the formatting
353 * needed by ifconfig(8): each line starts with a TAB and ends with
354 * a newline. The canonical example to copy and paste is in if_tun.c.
355 */
356
357#define IFSTATMAX 800 /* 10 lines of text */
358struct ifstat {
359 char ifs_name[IFNAMSIZ]; /* if name, e.g. "en0" */
360 char ascii[IFSTATMAX + 1];
361};
362
363/*
364 * Structure used in SIOCGIFCONF request.
365 * Used to retrieve interface configuration
366 * for machine (useful for programs which
367 * must know all networks accessible).
368 */
369struct ifconf {
370 int ifc_len; /* size of associated buffer */
371 union {
372 caddr_t ifcu_buf;
373 struct ifreq *ifcu_req;
374 } ifc_ifcu;
375#define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */
376#define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */
377};
378
379#if defined (__amd64__)
380struct ifconf32 {
381 int ifc_len; /* size of associated buffer */
382 union {
383 u_int ifcu_buf;
384 u_int ifcu_req;
385 } ifc_ifcu;
386};
387#endif
388
389/*
390 * interface groups
391 */
392
393#define IFG_ALL "all" /* group contains all interfaces */
394/* XXX: will we implement this? */
395#define IFG_EGRESS "egress" /* if(s) default route(s) point to */
396
397struct ifg_req {
398 union {
399 char ifgrqu_group[IFNAMSIZ];
400 char ifgrqu_member[IFNAMSIZ];
401 } ifgrq_ifgrqu;
402#define ifgrq_group ifgrq_ifgrqu.ifgrqu_group
403#define ifgrq_member ifgrq_ifgrqu.ifgrqu_member
404};
405
406/*
407 * Used to lookup groups for an interface
408 */
409struct ifgroupreq {
410 char ifgr_name[IFNAMSIZ];
411 u_int ifgr_len;
412 union {
413 char ifgru_group[IFNAMSIZ];
414 struct ifg_req *ifgru_groups;
415 } ifgr_ifgru;
416#define ifgr_group ifgr_ifgru.ifgru_group
417#define ifgr_groups ifgr_ifgru.ifgru_groups
418};
419
420/*
421 * Structure for SIOC[AGD]LIFADDR
422 */
423struct if_laddrreq {
424 char iflr_name[IFNAMSIZ];
425 u_int flags;
426#define IFLR_PREFIX 0x8000 /* in: prefix given out: kernel fills id */
427 u_int prefixlen; /* in/out */
428 struct sockaddr_storage addr; /* in/out */
429 struct sockaddr_storage dstaddr; /* out */
430};
431
432#endif /* __BSD_VISIBLE */
433
434#ifdef _KERNEL
435#ifdef MALLOC_DECLARE
436MALLOC_DECLARE(M_IFADDR);
437MALLOC_DECLARE(M_IFMADDR);
438#endif
439#endif
440
441#ifndef _KERNEL
442struct if_nameindex {
443 unsigned int if_index; /* 1, 2, ... */
444 char *if_name; /* null terminated name: "le0", ... */
445};
446
447__BEGIN_DECLS
448void if_freenameindex(struct if_nameindex *);
449char *if_indextoname(unsigned int, char *);
450struct if_nameindex *if_nameindex(void);
451unsigned int if_nametoindex(const char *);
452__END_DECLS
453#endif
454
455#ifdef _KERNEL
456/* XXX - this should go away soon. */
457#include <net/if_var.h>
458#endif
459
460#endif /* !_NET_IF_H_ */
| 313#define ifr_metric ifr_ifru.ifru_metric /* metric */
314#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
315#define ifr_phys ifr_ifru.ifru_phys /* physical wire */
316#define ifr_media ifr_ifru.ifru_media /* physical media */
317#define ifr_data ifr_ifru.ifru_data /* for use by interface */
318#define ifr_reqcap ifr_ifru.ifru_cap[0] /* requested capabilities */
319#define ifr_curcap ifr_ifru.ifru_cap[1] /* current capabilities */
320#define ifr_index ifr_ifru.ifru_index /* interface index */
321};
322
323#define _SIZEOF_ADDR_IFREQ(ifr) \
324 ((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \
325 (sizeof(struct ifreq) - sizeof(struct sockaddr) + \
326 (ifr).ifr_addr.sa_len) : sizeof(struct ifreq))
327
328struct ifaliasreq {
329 char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */
330 struct sockaddr ifra_addr;
331 struct sockaddr ifra_broadaddr;
332 struct sockaddr ifra_mask;
333};
334
335struct ifmediareq {
336 char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */
337 int ifm_current; /* current media options */
338 int ifm_mask; /* don't care mask */
339 int ifm_status; /* media status */
340 int ifm_active; /* active options */
341 int ifm_count; /* # entries in ifm_ulist array */
342 int *ifm_ulist; /* media words */
343};
344
345struct ifdrv {
346 char ifd_name[IFNAMSIZ]; /* if name, e.g. "en0" */
347 unsigned long ifd_cmd;
348 size_t ifd_len;
349 void *ifd_data;
350};
351
352/*
353 * Structure used to retrieve aux status data from interfaces.
354 * Kernel suppliers to this interface should respect the formatting
355 * needed by ifconfig(8): each line starts with a TAB and ends with
356 * a newline. The canonical example to copy and paste is in if_tun.c.
357 */
358
359#define IFSTATMAX 800 /* 10 lines of text */
360struct ifstat {
361 char ifs_name[IFNAMSIZ]; /* if name, e.g. "en0" */
362 char ascii[IFSTATMAX + 1];
363};
364
365/*
366 * Structure used in SIOCGIFCONF request.
367 * Used to retrieve interface configuration
368 * for machine (useful for programs which
369 * must know all networks accessible).
370 */
371struct ifconf {
372 int ifc_len; /* size of associated buffer */
373 union {
374 caddr_t ifcu_buf;
375 struct ifreq *ifcu_req;
376 } ifc_ifcu;
377#define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */
378#define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */
379};
380
381#if defined (__amd64__)
382struct ifconf32 {
383 int ifc_len; /* size of associated buffer */
384 union {
385 u_int ifcu_buf;
386 u_int ifcu_req;
387 } ifc_ifcu;
388};
389#endif
390
391/*
392 * interface groups
393 */
394
395#define IFG_ALL "all" /* group contains all interfaces */
396/* XXX: will we implement this? */
397#define IFG_EGRESS "egress" /* if(s) default route(s) point to */
398
399struct ifg_req {
400 union {
401 char ifgrqu_group[IFNAMSIZ];
402 char ifgrqu_member[IFNAMSIZ];
403 } ifgrq_ifgrqu;
404#define ifgrq_group ifgrq_ifgrqu.ifgrqu_group
405#define ifgrq_member ifgrq_ifgrqu.ifgrqu_member
406};
407
408/*
409 * Used to lookup groups for an interface
410 */
411struct ifgroupreq {
412 char ifgr_name[IFNAMSIZ];
413 u_int ifgr_len;
414 union {
415 char ifgru_group[IFNAMSIZ];
416 struct ifg_req *ifgru_groups;
417 } ifgr_ifgru;
418#define ifgr_group ifgr_ifgru.ifgru_group
419#define ifgr_groups ifgr_ifgru.ifgru_groups
420};
421
422/*
423 * Structure for SIOC[AGD]LIFADDR
424 */
425struct if_laddrreq {
426 char iflr_name[IFNAMSIZ];
427 u_int flags;
428#define IFLR_PREFIX 0x8000 /* in: prefix given out: kernel fills id */
429 u_int prefixlen; /* in/out */
430 struct sockaddr_storage addr; /* in/out */
431 struct sockaddr_storage dstaddr; /* out */
432};
433
434#endif /* __BSD_VISIBLE */
435
436#ifdef _KERNEL
437#ifdef MALLOC_DECLARE
438MALLOC_DECLARE(M_IFADDR);
439MALLOC_DECLARE(M_IFMADDR);
440#endif
441#endif
442
443#ifndef _KERNEL
444struct if_nameindex {
445 unsigned int if_index; /* 1, 2, ... */
446 char *if_name; /* null terminated name: "le0", ... */
447};
448
449__BEGIN_DECLS
450void if_freenameindex(struct if_nameindex *);
451char *if_indextoname(unsigned int, char *);
452struct if_nameindex *if_nameindex(void);
453unsigned int if_nametoindex(const char *);
454__END_DECLS
455#endif
456
457#ifdef _KERNEL
458/* XXX - this should go away soon. */
459#include <net/if_var.h>
460#endif
461
462#endif /* !_NET_IF_H_ */
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