mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-22 11:17:19 +00:00
87e2c66a6a
*SIZ constants that include the trailing \0 byte.
103 lines
4.0 KiB
C
103 lines
4.0 KiB
C
|
|
/*
|
|
* ng_bpf.h
|
|
*
|
|
* Copyright (c) 1996-1999 Whistle Communications, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Subject to the following obligations and disclaimer of warranty, use and
|
|
* redistribution of this software, in source or object code forms, with or
|
|
* without modifications are expressly permitted by Whistle Communications;
|
|
* provided, however, that:
|
|
* 1. Any and all reproductions of the source or object code must include the
|
|
* copyright notice above and the following disclaimer of warranties; and
|
|
* 2. No rights are granted, in any manner or form, to use Whistle
|
|
* Communications, Inc. trademarks, including the mark "WHISTLE
|
|
* COMMUNICATIONS" on advertising, endorsements, or otherwise except as
|
|
* such appears in the above copyright notice or in the software.
|
|
*
|
|
* THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
|
|
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
|
|
* REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
|
|
* INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
|
|
* WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
|
|
* REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
|
|
* SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
|
|
* IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
|
|
* RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
|
|
* WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
|
|
* PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER 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 WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
|
|
* OF SUCH DAMAGE.
|
|
*
|
|
* Author: Archie Cobbs <archie@freebsd.org>
|
|
*
|
|
* $FreeBSD$
|
|
* $Whistle: ng_bpf.h,v 1.3 1999/12/03 20:30:23 archie Exp $
|
|
*/
|
|
|
|
#ifndef _NETGRAPH_NG_BPF_H_
|
|
#define _NETGRAPH_NG_BPF_H_
|
|
|
|
/* Node type name and magic cookie */
|
|
#define NG_BPF_NODE_TYPE "bpf"
|
|
#define NGM_BPF_COOKIE 944100792
|
|
|
|
/* Program structure for one hook */
|
|
struct ng_bpf_hookprog {
|
|
char thisHook[NG_HOOKSIZ]; /* name of hook */
|
|
char ifMatch[NG_HOOKSIZ]; /* match dest hook */
|
|
char ifNotMatch[NG_HOOKSIZ]; /* !match dest hook */
|
|
int32_t bpf_prog_len; /* #isns in program */
|
|
struct bpf_insn bpf_prog[]; /* bpf program */
|
|
};
|
|
|
|
#define NG_BPF_HOOKPROG_SIZE(numInsn) \
|
|
(sizeof(struct ng_bpf_hookprog) + (numInsn) * sizeof(struct bpf_insn))
|
|
|
|
/* Keep this in sync with the above structure definition */
|
|
#define NG_BPF_HOOKPROG_TYPE_INFO(bptype) { \
|
|
{ "thisHook", &ng_parse_hookbuf_type }, \
|
|
{ "ifMatch", &ng_parse_hookbuf_type }, \
|
|
{ "ifNotMatch", &ng_parse_hookbuf_type }, \
|
|
{ "bpf_prog_len", &ng_parse_int32_type }, \
|
|
{ "bpf_prog", (bptype) }, \
|
|
{ NULL } \
|
|
}
|
|
|
|
/* Statistics structure for one hook */
|
|
struct ng_bpf_hookstat {
|
|
u_int64_t recvFrames;
|
|
u_int64_t recvOctets;
|
|
u_int64_t recvMatchFrames;
|
|
u_int64_t recvMatchOctets;
|
|
u_int64_t xmitFrames;
|
|
u_int64_t xmitOctets;
|
|
};
|
|
|
|
/* Keep this in sync with the above structure definition */
|
|
#define NG_BPF_HOOKSTAT_TYPE_INFO { \
|
|
{ "recvFrames", &ng_parse_uint64_type }, \
|
|
{ "recvOctets", &ng_parse_uint64_type }, \
|
|
{ "recvMatchFrames", &ng_parse_uint64_type }, \
|
|
{ "recvMatchOctets", &ng_parse_uint64_type }, \
|
|
{ "xmitFrames", &ng_parse_uint64_type }, \
|
|
{ "xmitOctets", &ng_parse_uint64_type }, \
|
|
{ NULL } \
|
|
}
|
|
|
|
/* Netgraph commands */
|
|
enum {
|
|
NGM_BPF_SET_PROGRAM = 1, /* supply a struct ng_bpf_hookprog */
|
|
NGM_BPF_GET_PROGRAM, /* returns a struct ng_bpf_hookprog */
|
|
NGM_BPF_GET_STATS, /* supply name as char[NG_HOOKSIZ] */
|
|
NGM_BPF_CLR_STATS, /* supply name as char[NG_HOOKSIZ] */
|
|
NGM_BPF_GETCLR_STATS, /* supply name as char[NG_HOOKSIZ] */
|
|
};
|
|
|
|
#endif /* _NETGRAPH_NG_BPF_H_ */
|