diff options
Diffstat (limited to 'newlib/libc/sys/linux/include/net/bpfdesc.h')
| -rw-r--r-- | newlib/libc/sys/linux/include/net/bpfdesc.h | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/newlib/libc/sys/linux/include/net/bpfdesc.h b/newlib/libc/sys/linux/include/net/bpfdesc.h deleted file mode 100644 index ec0c8fc95..000000000 --- a/newlib/libc/sys/linux/include/net/bpfdesc.h +++ /dev/null @@ -1,120 +0,0 @@ -/* - * Copyright (c) 1990, 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from the Stanford/CMU enet packet filter, - * (net/enet.c) distributed as part of 4.3BSD, and code contributed - * to Berkeley by Steven McCanne and Van Jacobson both of Lawrence - * Berkeley Laboratory. - * - * 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. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. 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. - * - * @(#)bpfdesc.h 8.1 (Berkeley) 6/10/93 - * - * $FreeBSD: src/sys/net/bpfdesc.h,v 1.19 2001/12/14 22:17:54 jdp Exp $ - */ - -#ifndef _NET_BPFDESC_H_ -#define _NET_BPFDESC_H_ - -#include <sys/callout.h> -#include <sys/selinfo.h> - -/* - * Descriptor associated with each open bpf file. - */ -struct bpf_d { - struct bpf_d *bd_next; /* Linked list of descriptors */ - /* - * Buffer slots: two mbuf clusters buffer the incoming packets. - * The model has three slots. Sbuf is always occupied. - * sbuf (store) - Receive interrupt puts packets here. - * hbuf (hold) - When sbuf is full, put cluster here and - * wakeup read (replace sbuf with fbuf). - * fbuf (free) - When read is done, put cluster here. - * On receiving, if sbuf is full and fbuf is 0, packet is dropped. - */ - caddr_t bd_sbuf; /* store slot */ - caddr_t bd_hbuf; /* hold slot */ - caddr_t bd_fbuf; /* free slot */ - int bd_slen; /* current length of store buffer */ - int bd_hlen; /* current length of hold buffer */ - - int bd_bufsize; /* absolute length of buffers */ - - struct bpf_if * bd_bif; /* interface descriptor */ - u_long bd_rtout; /* Read timeout in 'ticks' */ - struct bpf_insn *bd_filter; /* filter code */ - u_long bd_rcount; /* number of packets received */ - u_long bd_dcount; /* number of packets dropped */ - - u_char bd_promisc; /* true if listening promiscuously */ - u_char bd_state; /* idle, waiting, or timed out */ - u_char bd_immediate; /* true to return on packet arrival */ - int bd_hdrcmplt; /* false to fill in src lladdr automatically */ - int bd_seesent; /* true if bpf should see sent packets */ - int bd_async; /* non-zero if packet reception should generate signal */ - int bd_sig; /* signal to send upon packet reception */ - struct sigio * bd_sigio; /* information for async I/O */ -#if BSD < 199103 - u_char bd_selcoll; /* true if selects collide */ - int bd_timedout; - struct thread * bd_selthread; /* process that last selected us */ -#else - u_char bd_pad; /* explicit alignment */ - struct selinfo bd_sel; /* bsd select info */ -#endif - struct mtx bd_mtx; /* mutex for this descriptor */ - struct callout bd_callout; /* for BPF timeouts with select */ -}; - -/* Values for bd_state */ -#define BPF_IDLE 0 /* no select in progress */ -#define BPF_WAITING 1 /* waiting for read timeout in select */ -#define BPF_TIMED_OUT 2 /* read timeout has expired in select */ - -#define BPFD_LOCK(bd) mtx_lock(&(bd)->bd_mtx) -#define BPFD_UNLOCK(bd) mtx_unlock(&(bd)->bd_mtx) - -/* - * Descriptor associated with each attached hardware interface. - */ -struct bpf_if { - struct bpf_if *bif_next; /* list of all interfaces */ - struct bpf_d *bif_dlist; /* descriptor list */ - u_int bif_dlt; /* link layer type */ - u_int bif_hdrlen; /* length of header (with padding) */ - struct ifnet *bif_ifp; /* corresponding interface */ - struct mtx bif_mtx; /* mutex for interface */ -}; - -#define BPFIF_LOCK(bif) mtx_lock(&(bif)->bif_mtx) -#define BPFIF_UNLOCK(bif) mtx_unlock(&(bif)->bif_mtx) - -#endif |