/*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1982, 1986, 1989, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _NET_IF_H_ #define _NET_IF_H_ #include <sys/cdefs.h> #if __BSD_VISIBLE /* * <net/if.h> does not depend on <sys/time.h> on most other systems. This * helps userland compatibility. (struct timeval ifi_lastchange) * The same holds for <sys/socket.h>. (struct sockaddr ifru_addr) */ #ifndef _KERNEL #include <sys/time.h> #include <sys/socket.h> #endif #endif /* * Length of interface external name, including terminating '\0'. * Note: this is the same size as a generic device's external name. */ #define IF_NAMESIZE 16 #if __BSD_VISIBLE #define IFNAMSIZ IF_NAMESIZE #define IF_MAXUNIT 0x7fff /* historical value */ #endif #if __BSD_VISIBLE /* * Structure used to query names of interface cloners. */ struct if_clonereq { int ifcr_total; /* total cloners (out) */ int ifcr_count; /* room for this many in user buffer */ char *ifcr_buffer; /* buffer for cloner names */ }; /* * Structure describing information about an interface * which may be of interest to management entities. */ struct if_data { /* generic interface information */ uint8_t ifi_type; /* ethernet, tokenring, etc */ uint8_t ifi_physical; /* e.g., AUI, Thinnet, 10base-T, etc */ uint8_t ifi_addrlen; /* media address length */ uint8_t ifi_hdrlen; /* media header length */ uint8_t ifi_link_state; /* current link state */ uint8_t ifi_vhid; /* carp vhid */ uint16_t ifi_datalen; /* length of this data struct */ uint32_t ifi_mtu; /* maximum transmission unit */ uint32_t ifi_metric; /* routing metric (external only) */ uint64_t ifi_baudrate; /* linespeed */ /* volatile statistics */ uint64_t ifi_ipackets; /* packets received on interface */ uint64_t ifi_ierrors; /* input errors on interface */ uint64_t ifi_opackets; /* packets sent on interface */ uint64_t ifi_oerrors; /* output errors on interface */ uint64_t ifi_collisions; /* collisions on csma interfaces */ uint64_t ifi_ibytes; /* total number of octets received */ uint64_t ifi_obytes; /* total number of octets sent */ uint64_t ifi_imcasts; /* packets received via multicast */ uint64_t ifi_omcasts; /* packets sent via multicast */ uint64_t ifi_iqdrops; /* dropped on input */ uint64_t ifi_oqdrops; /* dropped on output */ uint64_t ifi_noproto; /* destined for unsupported protocol */ uint64_t ifi_hwassist; /* HW offload capabilities, see IFCAP */ /* Unions are here to make sizes MI. */ union { /* uptime at attach or stat reset */ time_t tt; uint64_t ph; } __ifi_epoch; #define ifi_epoch __ifi_epoch.tt union { /* time of last administrative change */ struct timeval tv; struct { uint64_t ph1; uint64_t ph2; } ph; } __ifi_lastchange; #define ifi_lastchange __ifi_lastchange.tv }; /*- * Interface flags are of two types: network stack owned flags, and driver * owned flags. Historically, these values were stored in the same ifnet * flags field, but with the advent of fine-grained locking, they have been * broken out such that the network stack is responsible for synchronizing * the stack-owned fields, and the device driver the device-owned fields. * Both halves can perform lockless reads of the other half's field, subject * to accepting the involved races. * * Both sets of flags come from the same number space, and should not be * permitted to conflict, as they are exposed to user space via a single * field. * * The following symbols identify read and write requirements for fields: * * (i) if_flags field set by device driver before attach, read-only there * after. * (n) if_flags field written only by the network stack, read by either the * stack or driver. * (d) if_drv_flags field written only by the device driver, read by either * the stack or driver. */ #define IFF_UP 0x1 /* (n) interface is up */ #define IFF_BROADCAST 0x2 /* (i) broadcast address valid */ #define IFF_DEBUG 0x4 /* (n) turn on debugging */ #define IFF_LOOPBACK 0x8 /* (i) is a loopback net */ #define IFF_POINTOPOINT 0x10 /* (i) is a point-to-point link */ #define IFF_NEEDSEPOCH 0x20 /* (i) calls if_input w/o net epoch */ #define IFF_DRV_RUNNING 0x40 /* (d) resources allocated */ #define IFF_NOARP 0x80 /* (n) no address resolution protocol */ #define IFF_PROMISC 0x100 /* (n) receive all packets */ #define IFF_ALLMULTI 0x200 /* (n) receive all multicast packets */ #define IFF_DRV_OACTIVE 0x400 /* (d) tx hardware queue is full */ #define IFF_SIMPLEX 0x800 /* (i) can't hear own transmissions */ #define IFF_LINK0 0x1000 /* per link layer defined bit */ #define IFF_LINK1 0x2000 /* per link layer defined bit */ #define IFF_LINK2 0x4000 /* per link layer defined bit */ #define IFF_ALTPHYS IFF_LINK2 /* use alternate physical connection */ #define IFF_MULTICAST 0x8000 /* (i) supports multicast */ #define IFF_CANTCONFIG 0x10000 /* (i) unconfigurable using ioctl(2) */ #define IFF_PPROMISC 0x20000 /* (n) user-requested promisc mode */ #define IFF_MONITOR 0x40000 /* (n) user-requested monitor mode */ #define IFF_STATICARP 0x80000 /* (n) static ARP */ #define IFF_STICKYARP 0x100000 /* (n) sticky ARP */ #define IFF_DYING 0x200000 /* (n) interface is winding down */ #define IFF_PALLMULTI 0x800000 /* (n) user-requested allmulti mode */ #define IFF_NETLINK_1 0x1000000 /* (n) used by netlink */ /* * Old names for driver flags so that user space tools can continue to use * the old (portable) names. */ #ifndef _KERNEL #define IFF_RUNNING IFF_DRV_RUNNING #define IFF_OACTIVE IFF_DRV_OACTIVE #endif /* flags set internally only: */ #define IFF_CANTCHANGE \ (IFF_BROADCAST|IFF_POINTOPOINT|IFF_DRV_RUNNING|IFF_DRV_OACTIVE|\ IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI|IFF_PROMISC|\ IFF_DYING|IFF_CANTCONFIG|IFF_NEEDSEPOCH) /* * Values for if_link_state. */ #define LINK_STATE_UNKNOWN 0 /* link invalid/unknown */ #define LINK_STATE_DOWN 1 /* link is down */ #define LINK_STATE_UP 2 /* link is up */ /* * Some convenience macros used for setting ifi_baudrate. * XXX 1000 vs. 1024? --thorpej@netbsd.org */ #define IF_Kbps(x) ((uintmax_t)(x) * 1000) /* kilobits/sec. */ #define IF_Mbps(x) (IF_Kbps((x) * 1000)) /* megabits/sec. */ #define IF_Gbps(x) (IF_Mbps((x) * 1000)) /* gigabits/sec. */ /* * Capabilities that interfaces can advertise. * * struct ifnet.if_capabilities * contains the optional features & capabilities a particular interface * supports (not only the driver but also the detected hw revision). * Capabilities are defined by IFCAP_* below. * struct ifnet.if_capenable * contains the enabled (either by default or through ifconfig) optional * features & capabilities on this interface. * Capabilities are defined by IFCAP_* below. * struct if_data.ifi_hwassist in mbuf CSUM_ flag form, controlled by above * contains the enabled optional feature & capabilites that can be used * individually per packet and are specified in the mbuf pkthdr.csum_flags * field. IFCAP_* and CSUM_* do not match one to one and CSUM_* may be * more detailed or differentiated than IFCAP_*. * Hwassist features are defined CSUM_* in sys/mbuf.h * * Capabilities that cannot be arbitrarily changed with ifconfig/ioctl * are listed in IFCAP_CANTCHANGE, similar to IFF_CANTCHANGE. * This is not strictly necessary because the common code never * changes capabilities, and it is left to the individual driver * to do the right thing. However, having the filter here * avoids replication of the same code in all individual drivers. */ /* IFCAP values as bit indexes */ #define IFCAP_B_RXCSUM 0 /* can offload checksum on RX */ #define IFCAP_B_TXCSUM 1 /* can offload checksum on TX */ #define IFCAP_B_NETCONS 2 /* can be a network console */ #define IFCAP_B_VLAN_MTU 3 /* VLAN-compatible MTU */ #define IFCAP_B_VLAN_HWTAGGING 4 /* hardware VLAN tag support */ #define IFCAP_B_JUMBO_MTU 5 /* 9000 byte MTU supported */ #define IFCAP_B_POLLING 6 /* driver supports polling */ #define IFCAP_B_VLAN_HWCSUM 7 /* can do IFCAP_HWCSUM on VLANs */ #define IFCAP_B_TSO4 8 /* can do TCP Segmentation Offload */ #define IFCAP_B_TSO6 9 /* can do TCP6 Segmentation Offload */ #define IFCAP_B_LRO 10 /* can do Large Receive Offload */ #define IFCAP_B_WOL_UCAST 11 /* wake on any unicast frame */ #define IFCAP_B_WOL_MCAST 12 /* wake on any multicast frame */ #define IFCAP_B_WOL_MAGIC 13 /* wake on any Magic Packet */ #define IFCAP_B_TOE4 14 /* interface can offload TCP */ #define IFCAP_B_TOE6 15 /* interface can offload TCP6 */ #define IFCAP_B_VLAN_HWFILTER 16 /* interface hw can filter vlan tag */ #define IFCAP_B_NV 17 /* can do SIOCGIFCAPNV/SIOCSIFCAPNV */ #define IFCAP_B_VLAN_HWTSO 18 /* can do IFCAP_TSO on VLANs */ #define IFCAP_B_LINKSTATE 19 /* the runtime link state is dynamic */ #define IFCAP_B_NETMAP 20 /* netmap mode supported/enabled */ #define IFCAP_B_RXCSUM_IPV6 21 /* can offload checksum on IPv6 RX */ #define IFCAP_B_TXCSUM_IPV6 22 /* can offload checksum on IPv6 TX */ #define IFCAP_B_HWSTATS 23 /* manages counters internally */ #define IFCAP_B_TXRTLMT 24 /* hardware supports TX rate limiting */ #define IFCAP_B_HWRXTSTMP 25 /* hardware rx timestamping */ #define IFCAP_B_MEXTPG 26 /* understands M_EXTPG mbufs */ #define IFCAP_B_TXTLS4 27 /* can do TLS encryption and segmentation for TCP */ #define IFCAP_B_TXTLS6 28 /* can do TLS encryption and segmentation for TCP6 */ #define IFCAP_B_VXLAN_HWCSUM 29 /* can do IFCAN_HWCSUM on VXLANs */ #define IFCAP_B_VXLAN_HWTSO 30 /* can do IFCAP_TSO on VXLANs */ #define IFCAP_B_TXTLS_RTLMT 31 /* can do TLS with rate limiting */ #define IFCAP_B_RXTLS4 32 /* can do TLS receive for TCP */ #define IFCAP_B_RXTLS6 33 /* can do TLS receive for TCP6 */ #define IFCAP_B_IPSEC_OFFLOAD 34 /* inline IPSEC offload */ #define __IFCAP_B_SIZE 35 #define IFCAP_B_MAX (__IFCAP_B_MAX - 1) #define IFCAP_B_SIZE (__IFCAP_B_SIZE) #define IFCAP_BIT(x) (1 << (x)) #define IFCAP_RXCSUM IFCAP_BIT(IFCAP_B_RXCSUM) #define IFCAP_TXCSUM IFCAP_BIT(IFCAP_B_TXCSUM) #define IFCAP_NETCONS IFCAP_BIT(IFCAP_B_NETCONS) #define IFCAP_VLAN_MTU IFCAP_BIT(IFCAP_B_VLAN_MTU) #define IFCAP_VLAN_HWTAGGING IFCAP_BIT(IFCAP_B_VLAN_HWTAGGING) #define IFCAP_JUMBO_MTU IFCAP_BIT(IFCAP_B_JUMBO_MTU) #define IFCAP_POLLING IFCAP_BIT(IFCAP_B_POLLING) #define IFCAP_VLAN_HWCSUM IFCAP_BIT(IFCAP_B_VLAN_HWCSUM) #define IFCAP_TSO4 IFCAP_BIT(IFCAP_B_TSO4) #define IFCAP_TSO6 IFCAP_BIT(IFCAP_B_TSO6) #define IFCAP_LRO IFCAP_BIT(IFCAP_B_LRO) #define IFCAP_WOL_UCAST IFCAP_BIT(IFCAP_B_WOL_UCAST) #define IFCAP_WOL_MCAST IFCAP_BIT(IFCAP_B_WOL_MCAST) #define IFCAP_WOL_MAGIC IFCAP_BIT(IFCAP_B_WOL_MAGIC) #define IFCAP_TOE4 IFCAP_BIT(IFCAP_B_TOE4) #define IFCAP_TOE6 IFCAP_BIT(IFCAP_B_TOE6) #define IFCAP_VLAN_HWFILTER IFCAP_BIT(IFCAP_B_VLAN_HWFILTER) #define IFCAP_NV IFCAP_BIT(IFCAP_B_NV) #define IFCAP_VLAN_HWTSO IFCAP_BIT(IFCAP_B_VLAN_HWTSO) #define IFCAP_LINKSTATE IFCAP_BIT(IFCAP_B_LINKSTATE) #define IFCAP_NETMAP IFCAP_BIT(IFCAP_B_NETMAP) #define IFCAP_RXCSUM_IPV6 IFCAP_BIT(IFCAP_B_RXCSUM_IPV6) #define IFCAP_TXCSUM_IPV6 IFCAP_BIT(IFCAP_B_TXCSUM_IPV6) #define IFCAP_HWSTATS IFCAP_BIT(IFCAP_B_HWSTATS) #define IFCAP_TXRTLMT IFCAP_BIT(IFCAP_B_TXRTLMT) #define IFCAP_HWRXTSTMP IFCAP_BIT(IFCAP_B_HWRXTSTMP) #define IFCAP_MEXTPG IFCAP_BIT(IFCAP_B_MEXTPG) #define IFCAP_TXTLS4 IFCAP_BIT(IFCAP_B_TXTLS4) #define IFCAP_TXTLS6 IFCAP_BIT(IFCAP_B_TXTLS6) #define IFCAP_VXLAN_HWCSUM IFCAP_BIT(IFCAP_B_VXLAN_HWCSUM) #define IFCAP_VXLAN_HWTSO IFCAP_BIT(IFCAP_B_VXLAN_HWTSO) #define IFCAP_TXTLS_RTLMT IFCAP_BIT(IFCAP_B_TXTLS_RTLMT) /* IFCAP2_* are integers, not bits. */ #define IFCAP2_RXTLS4 (IFCAP_B_RXTLS4 - 32) #define IFCAP2_RXTLS6 (IFCAP_B_RXTLS6 - 32) #define IFCAP2_IPSEC_OFFLOAD (IFCAP_B_IPSEC_OFFLOAD - 32) #define IFCAP2_BIT(x) (1UL << (x)) #define IFCAP_HWCSUM_IPV6 (IFCAP_RXCSUM_IPV6 | IFCAP_TXCSUM_IPV6) #define IFCAP_HWCSUM (IFCAP_RXCSUM | IFCAP_TXCSUM) #define IFCAP_TSO (IFCAP_TSO4 | IFCAP_TSO6) #define IFCAP_WOL (IFCAP_WOL_UCAST | IFCAP_WOL_MCAST | IFCAP_WOL_MAGIC) #define IFCAP_TOE (IFCAP_TOE4 | IFCAP_TOE6) #define IFCAP_TXTLS (IFCAP_TXTLS4 | IFCAP_TXTLS6) #define IFCAP_CANTCHANGE (IFCAP_NETMAP | IFCAP_NV) #define IFCAP_ALLCAPS 0xffffffff #define IFQ_MAXLEN 50 #define IFNET_SLOWHZ 1 /* granularity is 1 second */ /* * Message format for use in obtaining information about interfaces * from getkerninfo and the routing socket * For the new, extensible interface see struct if_msghdrl below. */ struct if_msghdr { u_short ifm_msglen; /* to skip over non-understood messages */ u_char ifm_version; /* future binary compatibility */ u_char ifm_type; /* message type */ int ifm_addrs; /* like rtm_addrs */ int ifm_flags; /* value of if_flags */ u_short ifm_index; /* index for associated ifp */ u_short _ifm_spare1; struct if_data ifm_data;/* statistics and other data about if */ }; /* * The 'l' version shall be used by new interfaces, like NET_RT_IFLISTL. It is * extensible after ifm_data_off or within ifm_data. Both the if_msghdr and * if_data now have a member field detailing the struct length in addition to * the routing message length. Macros are provided to find the start of * ifm_data and the start of the socket address structures immediately following * struct if_msghdrl given a pointer to struct if_msghdrl. */ #define IF_MSGHDRL_IFM_DATA(_l) \ (struct if_data *)((char *)(_l) + (_l)->ifm_data_off) #define IF_MSGHDRL_RTA(_l) \ (void *)((uintptr_t)(_l) + (_l)->ifm_len) struct if_msghdrl { u_short ifm_msglen; /* to skip over non-understood messages */ u_char ifm_version; /* future binary compatibility */ u_char ifm_type; /* message type */ int ifm_addrs; /* like rtm_addrs */ int ifm_flags; /* value of if_flags */ u_short ifm_index; /* index for associated ifp */ u_short _ifm_spare1; /* spare space to grow if_index, see if_var.h */ u_short ifm_len; /* length of if_msghdrl incl. if_data */ u_short ifm_data_off; /* offset of if_data from beginning */ int _ifm_spare2; struct if_data ifm_data;/* statistics and other data about if */ }; /* * Message format for use in obtaining information about interface addresses * from getkerninfo and the routing socket * For the new, extensible interface see struct ifa_msghdrl below. */ struct ifa_msghdr { u_short ifam_msglen; /* to skip over non-understood messages */ u_char ifam_version; /* future binary compatibility */ u_char ifam_type; /* message type */ int ifam_addrs; /* like rtm_addrs */ int ifam_flags; /* value of ifa_flags */ u_short ifam_index; /* index for associated ifp */ u_short _ifam_spare1; int ifam_metric; /* value of ifa_ifp->if_metric */ }; /* * The 'l' version shall be used by new interfaces, like NET_RT_IFLISTL. It is * extensible after ifam_metric or within ifam_data. Both the ifa_msghdrl and * if_data now have a member field detailing the struct length in addition to * the routing message length. Macros are provided to find the start of * ifm_data and the start of the socket address structures immediately following * struct ifa_msghdrl given a pointer to struct ifa_msghdrl. */ #define IFA_MSGHDRL_IFAM_DATA(_l) \ (struct if_data *)((char *)(_l) + (_l)->ifam_data_off) #define IFA_MSGHDRL_RTA(_l) \ (void *)((uintptr_t)(_l) + (_l)->ifam_len) struct ifa_msghdrl { u_short ifam_msglen; /* to skip over non-understood messages */ u_char ifam_version; /* future binary compatibility */ u_char ifam_type; /* message type */ int ifam_addrs; /* like rtm_addrs */ int ifam_flags; /* value of ifa_flags */ u_short ifam_index; /* index for associated ifp */ u_short _ifam_spare1; /* spare space to grow if_index, see if_var.h */ u_short ifam_len; /* length of ifa_msghdrl incl. if_data */ u_short ifam_data_off; /* offset of if_data from beginning */ int ifam_metric; /* value of ifa_ifp->if_metric */ struct if_data ifam_data;/* statistics and other data about if or * address */ }; /* * Message format for use in obtaining information about multicast addresses * from the routing socket */ struct ifma_msghdr { u_short ifmam_msglen; /* to skip over non-understood messages */ u_char ifmam_version; /* future binary compatibility */ u_char ifmam_type; /* message type */ int ifmam_addrs; /* like rtm_addrs */ int ifmam_flags; /* value of ifa_flags */ u_short ifmam_index; /* index for associated ifp */ u_short _ifmam_spare1; }; /* * Message format announcing the arrival or departure of a network interface. */ struct if_announcemsghdr { u_short ifan_msglen; /* to skip over non-understood messages */ u_char ifan_version; /* future binary compatibility */ u_char ifan_type; /* message type */ u_short ifan_index; /* index for associated ifp */ char ifan_name[IFNAMSIZ]; /* if name, e.g. "en0" */ u_short ifan_what; /* what type of announcement */ }; #define IFAN_ARRIVAL 0 /* interface arrival */ #define IFAN_DEPARTURE 1 /* interface departure */ /* * Buffer with length to be used in SIOCGIFDESCR/SIOCSIFDESCR requests */ struct ifreq_buffer { size_t length; void *buffer; }; struct ifreq_nv_req { u_int buf_length; /* Total size of buffer, u_int for ABI struct ifreq */ u_int length; /* Length of the filled part */ void *buffer; /* Buffer itself, containing packed nv */ }; #define IFR_CAP_NV_MAXBUFSIZE (2 * 1024 * 1024) /* * Interface request structure used for socket * ioctl's. All interface ioctl's must have parameter * definitions which begin with ifr_name. The * remainder may be interface specific. */ struct ifreq { char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */ union { struct sockaddr ifru_addr; struct sockaddr ifru_dstaddr; struct sockaddr ifru_broadaddr; struct ifreq_buffer ifru_buffer; short ifru_flags[2]; short ifru_index; int ifru_jid; int ifru_metric; int ifru_mtu; int ifru_phys; int ifru_media; caddr_t ifru_data; int ifru_cap[2]; u_int ifru_fib; u_char ifru_vlan_pcp; struct ifreq_nv_req ifru_nv; } ifr_ifru; #define ifr_addr ifr_ifru.ifru_addr /* address */ #define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */ #define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */ #ifndef _KERNEL #define ifr_buffer ifr_ifru.ifru_buffer /* user supplied buffer with its length */ #endif #define ifr_flags ifr_ifru.ifru_flags[0] /* flags (low 16 bits) */ #define ifr_flagshigh ifr_ifru.ifru_flags[1] /* flags (high 16 bits) */ #define ifr_jid ifr_ifru.ifru_jid /* jail/vnet */ #define ifr_metric ifr_ifru.ifru_metric /* metric */ #define ifr_mtu ifr_ifru.ifru_mtu /* mtu */ #define ifr_phys ifr_ifru.ifru_phys /* physical wire */ #define ifr_media ifr_ifru.ifru_media /* physical media */ #ifndef _KERNEL #define ifr_data ifr_ifru.ifru_data /* for use by interface */ #endif #define ifr_reqcap ifr_ifru.ifru_cap[0] /* requested capabilities */ #define ifr_curcap ifr_ifru.ifru_cap[1] /* current capabilities */ #define ifr_index ifr_ifru.ifru_index /* interface index */ #define ifr_fib ifr_ifru.ifru_fib /* interface fib */ #define ifr_vlan_pcp ifr_ifru.ifru_vlan_pcp /* VLAN priority */ #define ifr_lan_pcp ifr_ifru.ifru_vlan_pcp /* VLAN priority */ #define ifr_cap_nv ifr_ifru.ifru_nv /* nv-based cap interface */ }; #define _SIZEOF_ADDR_IFREQ(ifr) \ ((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \ (sizeof(struct ifreq) - sizeof(struct sockaddr) + \ (ifr).ifr_addr.sa_len) : sizeof(struct ifreq)) struct ifaliasreq { char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */ struct sockaddr ifra_addr; struct sockaddr ifra_broadaddr; struct sockaddr ifra_mask; int ifra_vhid; }; /* 9.x compat */ struct oifaliasreq { char ifra_name[IFNAMSIZ]; struct sockaddr ifra_addr; struct sockaddr ifra_broadaddr; struct sockaddr ifra_mask; }; struct ifmediareq { char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */ int ifm_current; /* current media options */ int ifm_mask; /* don't care mask */ int ifm_status; /* media status */ int ifm_active; /* active options */ int ifm_count; /* # entries in ifm_ulist array */ int *ifm_ulist; /* media words */ }; struct ifdrv { char ifd_name[IFNAMSIZ]; /* if name, e.g. "en0" */ unsigned long ifd_cmd; size_t ifd_len; void *ifd_data; }; /* * Structure used to retrieve aux status data from interfaces. * Kernel suppliers to this interface should respect the formatting * needed by ifconfig(8): each line starts with a TAB and ends with * a newline. The canonical example to copy and paste is in if_tun.c. */ #define IFSTATMAX 800 /* 10 lines of text */ struct ifstat { char ifs_name[IFNAMSIZ]; /* if name, e.g. "en0" */ char ascii[IFSTATMAX + 1]; }; /* * Structure used in SIOCGIFCONF request. * Used to retrieve interface configuration * for machine (useful for programs which * must know all networks accessible). */ struct ifconf { int ifc_len; /* size of associated buffer */ union { caddr_t ifcu_buf; struct ifreq *ifcu_req; } ifc_ifcu; #define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */ #define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */ }; /* * interface groups */ #define IFG_ALL "all" /* group contains all interfaces */ /* XXX: will we implement this? */ #define IFG_EGRESS "egress" /* if(s) default route(s) point to */ struct ifg_req { union { char ifgrqu_group[IFNAMSIZ]; char ifgrqu_member[IFNAMSIZ]; } ifgrq_ifgrqu; #define ifgrq_group ifgrq_ifgrqu.ifgrqu_group #define ifgrq_member ifgrq_ifgrqu.ifgrqu_member }; /* * Used to lookup groups for an interface */ struct ifgroupreq { char ifgr_name[IFNAMSIZ]; u_int ifgr_len; union { char ifgru_group[IFNAMSIZ]; struct ifg_req *ifgru_groups; } ifgr_ifgru; #define ifgr_group ifgr_ifgru.ifgru_group #define ifgr_groups ifgr_ifgru.ifgru_groups }; /* * Structure used to request i2c data * from interface transceivers. */ struct ifi2creq { uint8_t dev_addr; /* i2c address (0xA0, 0xA2) */ uint8_t offset; /* read offset */ uint8_t len; /* read length */ uint8_t page; /* CMIS page number (0 for legacy) */ uint8_t bank; /* CMIS bank number (0 for legacy) */ uint8_t spare[3]; /* reserved for future use */ uint8_t data[8]; /* read buffer */ }; /* * RSS hash. */ #define RSS_FUNC_NONE 0 /* RSS disabled */ #define RSS_FUNC_PRIVATE 1 /* non-standard */ #define RSS_FUNC_TOEPLITZ 2 #define RSS_TYPE_IPV4 0x00000001 #define RSS_TYPE_TCP_IPV4 0x00000002 #define RSS_TYPE_IPV6 0x00000004 #define RSS_TYPE_IPV6_EX 0x00000008 #define RSS_TYPE_TCP_IPV6 0x00000010 #define RSS_TYPE_TCP_IPV6_EX 0x00000020 #define RSS_TYPE_UDP_IPV4 0x00000040 #define RSS_TYPE_UDP_IPV6 0x00000080 #define RSS_TYPE_UDP_IPV6_EX 0x00000100 #define RSS_KEYLEN 128 struct ifrsskey { char ifrk_name[IFNAMSIZ]; /* if name, e.g. "en0" */ uint8_t ifrk_func; /* RSS_FUNC_ */ uint8_t ifrk_spare0; uint16_t ifrk_keylen; uint8_t ifrk_key[RSS_KEYLEN]; }; struct ifrsshash { char ifrh_name[IFNAMSIZ]; /* if name, e.g. "en0" */ uint8_t ifrh_func; /* RSS_FUNC_ */ uint8_t ifrh_spare0; uint16_t ifrh_spare1; uint32_t ifrh_types; /* RSS_TYPE_ */ }; #define IFNET_PCP_NONE 0xff /* PCP disabled */ #define IFDR_MSG_SIZE 64 #define IFDR_REASON_MSG 1 #define IFDR_REASON_VENDOR 2 struct ifdownreason { char ifdr_name[IFNAMSIZ]; uint32_t ifdr_reason; uint32_t ifdr_vendor; char ifdr_msg[IFDR_MSG_SIZE]; }; #endif /* __BSD_VISIBLE */ /* * Opaque interface structure. */ typedef struct ifnet *if_t; #ifdef _KERNEL #ifdef MALLOC_DECLARE MALLOC_DECLARE(M_IFADDR); MALLOC_DECLARE(M_IFMADDR); #endif extern struct sx ifnet_detach_sxlock; struct nvlist; struct ifcap_nv_bit_name; int if_capnv_to_capint(const struct nvlist *nv, int *old_cap, const struct ifcap_nv_bit_name *nn, bool all); void if_capint_to_capnv(struct nvlist *nv, const struct ifcap_nv_bit_name *nn, int ifr_cap, int ifr_req); struct siocsifcapnv_driver_data { int reqcap; int reqcap2; struct nvlist *nvcap; }; #endif #ifndef _KERNEL struct if_nameindex { unsigned int if_index; /* 1, 2, ... */ char *if_name; /* null terminated name: "le0", ... */ }; __BEGIN_DECLS void if_freenameindex(struct if_nameindex *); char *if_indextoname(unsigned int, char *); struct if_nameindex *if_nameindex(void); unsigned int if_nametoindex(const char *); __END_DECLS #endif #endif /* !_NET_IF_H_ */
