diff options
Diffstat (limited to 'usr/src/lib/libbc/inc/include/net/if.h')
| -rw-r--r-- | usr/src/lib/libbc/inc/include/net/if.h | 265 |
1 files changed, 0 insertions, 265 deletions
diff --git a/usr/src/lib/libbc/inc/include/net/if.h b/usr/src/lib/libbc/inc/include/net/if.h deleted file mode 100644 index 513fa0d2bf..0000000000 --- a/usr/src/lib/libbc/inc/include/net/if.h +++ /dev/null @@ -1,265 +0,0 @@ -/* - * Copyright 2010 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -/* - * Copyright (c) 1982, 1986 Regents of the University of California. - * All rights reserved. The Berkeley software License Agreement - * specifies the terms and conditions for redistribution. - */ - -#ifndef _net_if_h -#define _net_if_h - -/* - * Structures defining a network interface, providing a packet - * transport mechanism (ala level 0 of the PUP protocols). - * - * Each interface accepts output datagrams of a specified maximum - * length, and provides higher level routines with input datagrams - * received from its medium. - * - * Output occurs when the routine if_output is called, with three parameters: - * (*ifp->if_output)(ifp, m, dst) - * Here m is the mbuf chain to be sent and dst is the destination address. - * The output routine encapsulates the supplied datagram if necessary, - * and then transmits it on its medium. - * - * On input, each interface unwraps the data received by it, and either - * places it on the input queue of a internetwork datagram routine - * and posts the associated software interrupt, or passes the datagram to a raw - * packet input routine. - * - * Routines exist for locating interfaces by their addresses - * or for locating a interface on a certain network, as well as more general - * routing and gateway routines maintaining information used to locate - * interfaces. These routines live in the files if.c and route.c - */ - -/* - * Structure defining a queue for a network interface. - * - * (Would like to call this struct ``if'', but C isn't PL/1.) - */ -struct ifnet { - char *if_name; /* name, e.g. ``en'' or ``lo'' */ - short if_unit; /* sub-unit for lower level driver */ - short if_mtu; /* maximum transmission unit */ - short if_flags; /* up/down, broadcast, etc. */ - short if_timer; /* time 'til if_watchdog called */ - u_short if_promisc; /* net # of requests for promisc mode */ - int if_metric; /* routing metric (external only) */ - struct ifaddr *if_addrlist; /* linked list of addresses per if */ - struct ifqueue { - struct mbuf *ifq_head; - struct mbuf *ifq_tail; - int ifq_len; - int ifq_maxlen; - int ifq_drops; - } if_snd; /* output queue */ -/* procedure handles */ - int (*if_init)(); /* init routine */ - int (*if_output)(); /* output routine */ - int (*if_ioctl)(); /* ioctl routine */ - int (*if_reset)(); /* bus reset routine */ - int (*if_watchdog)(); /* timer routine */ -/* generic interface statistics */ - int if_ipackets; /* packets received on interface */ - int if_ierrors; /* input errors on interface */ - int if_opackets; /* packets sent on interface */ - int if_oerrors; /* output errors on interface */ - int if_collisions; /* collisions on csma interfaces */ -/* end statistics */ - struct ifnet *if_next; - struct ifnet *if_upper; /* next layer up */ - struct ifnet *if_lower; /* next layer down */ - int (*if_input)(); /* input routine */ - int (*if_ctlin)(); /* control input routine */ - int (*if_ctlout)(); /* control output routine */ -#ifdef sun - struct map *if_memmap; /* rmap for interface specific memory */ -#endif -}; - -#define IFF_UP 0x1 /* interface is up */ -#define IFF_BROADCAST 0x2 /* broadcast address valid */ -#define IFF_DEBUG 0x4 /* turn on debugging */ -#define IFF_LOOPBACK 0x8 /* is a loopback net */ -#define IFF_POINTOPOINT 0x10 /* interface is point-to-point link */ -#define IFF_NOTRAILERS 0x20 /* avoid use of trailers */ -#define IFF_RUNNING 0x40 /* resources allocated */ -#define IFF_NOARP 0x80 /* no address resolution protocol */ -#define IFF_PROMISC 0x100 /* receive all packets */ -#define IFF_ALLMULTI 0x200 /* receive all multicast packets */ -#define IFF_PRIVATE 0x8000 /* do not advertise */ - -/* flags set internally only: */ -#define IFF_CANTCHANGE \ - (IFF_BROADCAST | IFF_POINTOPOINT | IFF_RUNNING | IFF_PROMISC) - -/* - * Output queues (ifp->if_snd) and internetwork datagram level (pup level 1) - * input routines have queues of messages stored on ifqueue structures - * (defined above). Entries are added to and deleted from these structures - * by these macros, which should be called with ipl raised to splimp(). - */ -#define IF_QFULL(ifq) ((ifq)->ifq_len >= (ifq)->ifq_maxlen) -#define IF_DROP(ifq) ((ifq)->ifq_drops++) -#define IF_ENQUEUE(ifq, m) { \ - (m)->m_act = 0; \ - if ((ifq)->ifq_tail == 0) \ - (ifq)->ifq_head = m; \ - else \ - (ifq)->ifq_tail->m_act = m; \ - (ifq)->ifq_tail = m; \ - (ifq)->ifq_len++; \ -} -#define IF_PREPEND(ifq, m) { \ - (m)->m_act = (ifq)->ifq_head; \ - if ((ifq)->ifq_tail == 0) \ - (ifq)->ifq_tail = (m); \ - (ifq)->ifq_head = (m); \ - (ifq)->ifq_len++; \ -} -/* - * Packets destined for level-1 protocol input routines - * have a pointer to the receiving interface prepended to the data. - * IF_DEQUEUEIF extracts and returns this pointer when dequeueing the packet. - * IF_ADJ should be used otherwise to adjust for its presence. - */ -#define IF_ADJ(m) { \ - (m)->m_off += sizeof (struct ifnet *); \ - (m)->m_len -= sizeof (struct ifnet *); \ - if ((m)->m_len == 0) { \ - struct mbuf *n; \ - MFREE((m), n); \ - (m) = n; \ - } \ -} -#define IF_DEQUEUEIF(ifq, m, ifp) { \ - (m) = (ifq)->ifq_head; \ - if (m) { \ - if (((ifq)->ifq_head = (m)->m_act) == 0) \ - (ifq)->ifq_tail = 0; \ - (m)->m_act = 0; \ - (ifq)->ifq_len--; \ - (ifp) = *(mtod((m), struct ifnet **)); \ - IF_ADJ(m); \ - } \ -} -#define IF_DEQUEUE(ifq, m) { \ - (m) = (ifq)->ifq_head; \ - if (m) { \ - if (((ifq)->ifq_head = (m)->m_act) == 0) \ - (ifq)->ifq_tail = 0; \ - (m)->m_act = 0; \ - (ifq)->ifq_len--; \ - } \ -} - -#define IFQ_MAXLEN 50 -#define IFNET_SLOWHZ 1 /* granularity is 1 second */ - -/* - * The ifaddr structure contains information about one address - * of an interface. They are maintained by the different address families, - * are allocated and attached when an address is set, and are linked - * together so all addresses for an interface can be located. - */ -struct ifaddr { - struct sockaddr ifa_addr; /* address of interface */ - union { - struct sockaddr ifu_broadaddr; - struct sockaddr ifu_dstaddr; - } ifa_ifu; -#ifndef ifa_broadaddr -#define ifa_broadaddr ifa_ifu.ifu_broadaddr /* broadcast address */ -#endif -#ifndef ifa_dstaddr -#define ifa_dstaddr ifa_ifu.ifu_dstaddr /* other end of p-to-p link */ -#endif - struct ifnet *ifa_ifp; /* back-pointer to interface */ - struct ifaddr *ifa_next; /* next address for interface */ -}; - -/* - * 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 { -#define IFNAMSIZ 16 - char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */ - union { - struct sockaddr ifru_addr; - struct sockaddr ifru_dstaddr; - char ifru_oname[IFNAMSIZ]; /* other if name */ - struct sockaddr ifru_broadaddr; - short ifru_flags; - int ifru_metric; - char ifru_data[1]; /* interface dependent data */ - - /* Struct for FDDI ioctl's */ - struct ifr_dnld_reqs { - caddr_t v_addr; - caddr_t m_addr; - caddr_t ex_addr; - u_int size; - } ifru_dnld_req; - - /* Struct for FDDI stats */ - struct ifr_fddi_stats { - u_int stat_size; - caddr_t fddi_stats; - } ifru_fddi_stat; - - struct ifr_netmapents { - u_int map_ent_size, /* size of netmap structure */ - entry_number; /* index into netmap list */ - caddr_t fddi_map_ent; /* pointer to user structure */ - } ifru_netmapent; - - /* Field for generic ioctl for fddi */ - - struct ifr_fddi_gen_struct { - int ifru_fddi_gioctl; /* field for gen ioctl */ - caddr_t ifru_fddi_gaddr; /* Generic ptr to a field */ - } ifru_fddi_gstruct; - - } 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_oname ifr_ifru.ifru_oname /* other if name */ -#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */ -#define ifr_flags ifr_ifru.ifru_flags /* flags */ -#define ifr_metric ifr_ifru.ifru_metric /* metric */ -#define ifr_data ifr_ifru.ifru_data /* for use by interface */ - -/* FDDI specific */ -#define ifr_dnld_req ifr_ifru.ifru_dnld_req -#define ifr_fddi_stat ifr_ifru.ifru_fddi_stat -#define ifr_fddi_netmap ifr_ifru.ifru_netmapent /* FDDI network map entries */ -#define ifr_fddi_gstruct ifr_ifru.ifru_fddi_gstruct - -}; - -/* - * 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 */ -}; - -#endif /* !_net_if_h */ |