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 --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * From: @(#)if.h 8.1 (Berkeley) 6/10/93 |
34 * $FreeBSD: head/sys/net/if_var.h 72200 2001-02-09 06:11:45Z bmilekic $ |
35 */ 36 37#ifndef _NET_IF_VAR_H_ 38#define _NET_IF_VAR_H_ 39 40/* 41 * Structures defining a network interface, providing a packet 42 * transport mechanism (ala level 0 of the PUP protocols). --- 143 unchanged lines hidden (view full) --- 186#define IFI_XMIT 2 /* I want to transmit */ 187 188/* 189 * Output queues (ifp->if_snd) and slow device input queues (*ifp->if_slowq) 190 * are queues of messages stored on ifqueue structures 191 * (defined above). Entries are added to and deleted from these structures 192 * by these macros, which should be called with ipl raised to splimp(). 193 */ |
194#define IF_LOCK(ifq) mtx_lock(&(ifq)->ifq_mtx) 195#define IF_UNLOCK(ifq) mtx_unlock(&(ifq)->ifq_mtx) |
196#define _IF_QFULL(ifq) ((ifq)->ifq_len >= (ifq)->ifq_maxlen) 197#define _IF_DROP(ifq) ((ifq)->ifq_drops++) 198#define _IF_QLEN(ifq) ((ifq)->ifq_len) 199 200#define _IF_ENQUEUE(ifq, m) do { \ 201 (m)->m_nextpkt = NULL; \ 202 if ((ifq)->ifq_tail == NULL) \ 203 (ifq)->ifq_head = m; \ --- 223 unchanged lines hidden --- |