sys/net/if_poll.h

   1 /*-
   2  * Copyright (c) 2001-2002 Luigi Rizzo
   3  *
   4  * Supported by: the Xorp Project (www.xorp.org)
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
  16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
  19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25  * SUCH DAMAGE.
  26  *
  27  * $FreeBSD: src/sys/kern/kern_poll.c,v 1.2.2.4 2002/06/27 23:26:33 luigi Exp $
  28  */
  29
  30 #ifndef _NET_IF_POLL_H_
  31 #define _NET_IF_POLL_H_
  32
  33 #ifdef _KERNEL
  34
  35 struct sysctl_ctx_list;
  36 struct sysctl_oid;
  37 struct lwkt_serialize;
  38 struct ifnet;
  39
  40 typedef void    (*ifpoll_iofn_t)(struct ifnet *, void *, int);
  41 typedef void    (*ifpoll_stfn_t)(struct ifnet *);
  42
  43 struct ifpoll_status {
  44         struct lwkt_serialize   *serializer;
  45         ifpoll_stfn_t           status_func;
  46 };
  47
  48 struct ifpoll_io {
  49         struct lwkt_serialize   *serializer;
  50         void                    *arg;
  51         ifpoll_iofn_t           poll_func;
  52 };
  53
  54 struct ifpoll_info {
  55         struct ifnet            *ifpi_ifp;
  56         struct ifpoll_status    ifpi_status;
  57         struct ifpoll_io        ifpi_rx[MAXCPU];
  58         struct ifpoll_io        ifpi_tx[MAXCPU];
  59 };
  60
  61 struct ifpoll_compat {
  62         int                     ifpc_stcount;
  63         int                     ifpc_stfrac;
  64
  65         int                     ifpc_cpuid;
  66         struct lwkt_serialize   *ifpc_serializer;
  67 };
  68
  69 void    ifpoll_compat_setup(struct ifpoll_compat *, struct sysctl_ctx_list *,
  70             struct sysctl_oid *, int, struct lwkt_serialize *);
  71
  72 #endif  /* _KERNEL */
  73
  74 #endif  /* !_NET_IF_POLL_H_ */