1 /*- 2 * Copyright (c) 2006 Alexander Motin <mav@alkar.net> 3 * 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 9 * notice unmodified, this list of conditions, and the following 10 * 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 AUTHOR 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 AUTHOR 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 * $FreeBSD$ 28 */ 29 30 #ifndef _NETGRAPH_NG_DEFLATE_H_ 31 #define _NETGRAPH_NG_DEFLATE_H_ 32 33 /* Node type name and magic cookie */ 34 #define NG_DEFLATE_NODE_TYPE "deflate" 35 #define NGM_DEFLATE_COOKIE 1166642656 36 37 /* Hook names */ 38 #define NG_DEFLATE_HOOK_COMP "comp" /* compression hook */ 39 #define NG_DEFLATE_HOOK_DECOMP "decomp" /* decompression hook */ 40 41 /* Config struct */ 42 struct ng_deflate_config { 43 u_char enable; /* node enabled */ 44 u_char windowBits; /* log2(Window size) */ 45 }; 46 47 /* Keep this in sync with the above structure definition. */ 48 #define NG_DEFLATE_CONFIG_INFO { \ 49 { "enable", &ng_parse_uint8_type }, \ 50 { "windowBits", &ng_parse_uint8_type }, \ 51 { NULL } \ 52 } 53 54 /* Statistics structure for one direction. */ 55 struct ng_deflate_stats { 56 uint64_t FramesPlain; 57 uint64_t FramesComp; 58 uint64_t FramesUncomp; 59 uint64_t InOctets; 60 uint64_t OutOctets; 61 uint64_t Errors; 62 }; 63 64 /* Keep this in sync with the above structure definition. */ 65 #define NG_DEFLATE_STATS_INFO { \ 66 { "FramesPlain",&ng_parse_uint64_type }, \ 67 { "FramesComp", &ng_parse_uint64_type }, \ 68 { "FramesUncomp", &ng_parse_uint64_type }, \ 69 { "InOctets", &ng_parse_uint64_type }, \ 70 { "OutOctets", &ng_parse_uint64_type }, \ 71 { "Errors", &ng_parse_uint64_type }, \ 72 { NULL } \ 73 } 74 75 /* Netgraph commands */ 76 enum { 77 NGM_DEFLATE_CONFIG = 1, 78 NGM_DEFLATE_RESETREQ, /* sent either way! */ 79 NGM_DEFLATE_GET_STATS, 80 NGM_DEFLATE_CLR_STATS, 81 NGM_DEFLATE_GETCLR_STATS, 82 }; 83 84 #endif /* _NETGRAPH_NG_DEFLATE_H_ */ 85 86