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_ */ 75