1/*- 2 * Copyright (c) 2004-2008 University of Zagreb 3 * Copyright (c) 2007-2008 FreeBSD Foundation 4 * 5 * This software was developed by the University of Zagreb and the 6 * FreeBSD Foundation under sponsorship by the Stichting NLnet and the 7 * FreeBSD Foundation. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $FreeBSD$ 31 */ 32 33#ifndef _NETGRAPH_PIPE_H_ 34#define _NETGRAPH_PIPE_H_ 35 36/* Node type name and magic cookie */ 37#define NG_PIPE_NODE_TYPE "pipe" 38#define NGM_PIPE_COOKIE 200708191 39 40/* Hook names */ 41#define NG_PIPE_HOOK_UPPER "upper" 42#define NG_PIPE_HOOK_LOWER "lower" 43 44#define MAX_FSIZE 16384 /* Largest supported frame size, in bytes, for BER */ 45#define MAX_OHSIZE 256 /* Largest supported dummy-framing size, in bytes */ 46 47/* Statistics structure for one hook */ 48struct ng_pipe_hookstat { 49 u_int64_t fwd_octets; 50 u_int64_t fwd_frames; 51 u_int64_t in_disc_octets; 52 u_int64_t in_disc_frames; 53 u_int64_t out_disc_octets; 54 u_int64_t out_disc_frames; 55}; 56 57/* Keep this in sync with the above structure definition */ 58#define NG_PIPE_HOOKSTAT_INFO { \ 59 { "FwdOctets", &ng_parse_uint64_type }, \ 60 { "FwdFrames", &ng_parse_uint64_type }, \ 61 { "queueDropOctets", &ng_parse_uint64_type }, \ 62 { "queueDropFrames", &ng_parse_uint64_type }, \ 63 { "delayDropOctets", &ng_parse_uint64_type }, \ 64 { "delayDropFrames", &ng_parse_uint64_type }, \ 65 { NULL }, \ 66} 67 68/* Statistics structure returned by NGM_PIPE_GET_STATS */ 69struct ng_pipe_stats { 70 struct ng_pipe_hookstat downstream; 71 struct ng_pipe_hookstat upstream; 72}; 73 74/* Keep this in sync with the above structure definition */ 75#define NG_PIPE_STATS_INFO(hstype) { \ 76 { "downstream", (hstype) }, \ 77 { "upstream", (hstype) }, \ 78 { NULL }, \ 79} 80 81/* Runtime structure for one hook */ 82struct ng_pipe_hookrun { 83 u_int32_t fifo_queues; 84 u_int32_t qin_octets; 85 u_int32_t qin_frames; 86 u_int32_t qout_octets; 87 u_int32_t qout_frames; 88}; 89 90/* Keep this in sync with the above structure definition */ 91#define NG_PIPE_HOOKRUN_INFO { \ 92 { "queues", &ng_parse_uint32_type }, \ 93 { "queuedOctets", &ng_parse_uint32_type }, \ 94 { "queuedFrames", &ng_parse_uint32_type }, \ 95 { "delayedOctets", &ng_parse_uint32_type }, \ 96 { "delayedFrames", &ng_parse_uint32_type }, \ 97 { NULL }, \ 98} 99 100/* Runtime structure returned by NGM_PIPE_GET_RUN */ 101struct ng_pipe_run { 102 struct ng_pipe_hookrun downstream; 103 struct ng_pipe_hookrun upstream; 104}; 105 106/* Keep this in sync with the above structure definition */ 107#define NG_PIPE_RUN_INFO(hstype) { \ 108 { "downstream", (hstype) }, \ 109 { "upstream", (hstype) }, \ 110 { NULL }, \ 111} 112 113/* Config structure for one hook */ 114struct ng_pipe_hookcfg { 115 u_int64_t bandwidth; 116 u_int64_t ber; 117 u_int32_t qin_size_limit; 118 u_int32_t qout_size_limit; 119 u_int32_t duplicate; 120 u_int32_t fifo; 121 u_int32_t drr; 122 u_int32_t wfq; 123 u_int32_t droptail; 124 u_int32_t drophead; 125}; 126 127/* Keep this in sync with the above structure definition */ 128#define NG_PIPE_HOOKCFG_INFO { \ 129 { "bandwidth", &ng_parse_uint64_type }, \ 130 { "BER", &ng_parse_uint64_type }, \ 131 { "queuelen", &ng_parse_uint32_type }, \ 132 { "delaylen", &ng_parse_uint32_type }, \ 133 { "duplicate", &ng_parse_uint32_type }, \ 134 { "fifo", &ng_parse_uint32_type }, \ 135 { "drr", &ng_parse_uint32_type }, \ 136 { "wfq", &ng_parse_uint32_type }, \ 137 { "droptail", &ng_parse_uint32_type }, \ 138 { "drophead", &ng_parse_uint32_type }, \ 139 { NULL }, \ 140} 141 142/* Config structure returned by NGM_PIPE_GET_CFG */ 143struct ng_pipe_cfg { 144 u_int64_t bandwidth; 145 u_int64_t delay; 146 u_int32_t header_offset; 147 u_int32_t overhead; 148 struct ng_pipe_hookcfg downstream; 149 struct ng_pipe_hookcfg upstream; 150}; 151 152/* Keep this in sync with the above structure definition */ 153#define NG_PIPE_CFG_INFO(hstype) { \ 154 { "bandwidth", &ng_parse_uint64_type }, \ 155 { "delay", &ng_parse_uint64_type }, \ 156 { "header_offset", &ng_parse_uint32_type }, \ 157 { "overhead", &ng_parse_uint32_type }, \ 158 { "downstream", (hstype) }, \ 159 { "upstream", (hstype) }, \ 160 { NULL }, \ 161} 162 163/* Netgraph commands */ 164enum { 165 NGM_PIPE_GET_STATS=1, /* get stats */ 166 NGM_PIPE_CLR_STATS, /* clear stats */ 167 NGM_PIPE_GETCLR_STATS, /* atomically get and clear stats */ 168 NGM_PIPE_GET_RUN, /* get current runtime status */ 169 NGM_PIPE_GET_CFG, /* get configurable parameters */ 170 NGM_PIPE_SET_CFG, /* set configurable parameters */ 171}; 172 173#endif /* _NETGRAPH_PIPE_H_ */ 174