1*3b2bd0f6Slogwang /*- 2*3b2bd0f6Slogwang * Copyright (C) 2010 by Maxim Ignatenko <[email protected]> 3*3b2bd0f6Slogwang * All rights reserved. 4*3b2bd0f6Slogwang * 5*3b2bd0f6Slogwang * Redistribution and use in source and binary forms, with or without 6*3b2bd0f6Slogwang * modification, are permitted provided that the following conditions 7*3b2bd0f6Slogwang * are met: 8*3b2bd0f6Slogwang * 1. Redistributions of source code must retain the above copyright 9*3b2bd0f6Slogwang * notice, this list of conditions and the following disclaimer. 10*3b2bd0f6Slogwang * 2. Redistributions in binary form must reproduce the above copyright 11*3b2bd0f6Slogwang * notice, this list of conditions and the following disclaimer in the 12*3b2bd0f6Slogwang * documentation and/or other materials provided with the distribution. 13*3b2bd0f6Slogwang * 14*3b2bd0f6Slogwang * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15*3b2bd0f6Slogwang * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16*3b2bd0f6Slogwang * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17*3b2bd0f6Slogwang * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18*3b2bd0f6Slogwang * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19*3b2bd0f6Slogwang * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20*3b2bd0f6Slogwang * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21*3b2bd0f6Slogwang * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22*3b2bd0f6Slogwang * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23*3b2bd0f6Slogwang * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24*3b2bd0f6Slogwang * SUCH DAMAGE. 25*3b2bd0f6Slogwang * 26*3b2bd0f6Slogwang * $FreeBSD$ 27*3b2bd0f6Slogwang */ 28*3b2bd0f6Slogwang 29*3b2bd0f6Slogwang #ifndef _NETGRAPH_NG_PATCH_H_ 30*3b2bd0f6Slogwang #define _NETGRAPH_NG_PATCH_H_ 31*3b2bd0f6Slogwang 32*3b2bd0f6Slogwang /* Node type name. */ 33*3b2bd0f6Slogwang #define NG_PATCH_NODE_TYPE "patch" 34*3b2bd0f6Slogwang 35*3b2bd0f6Slogwang /* Node type cookie. */ 36*3b2bd0f6Slogwang #define NGM_PATCH_COOKIE 1262445509 37*3b2bd0f6Slogwang 38*3b2bd0f6Slogwang /* Hook names */ 39*3b2bd0f6Slogwang #define NG_PATCH_HOOK_IN "in" 40*3b2bd0f6Slogwang #define NG_PATCH_HOOK_OUT "out" 41*3b2bd0f6Slogwang 42*3b2bd0f6Slogwang /* Netgraph commands understood by this node type */ 43*3b2bd0f6Slogwang enum { 44*3b2bd0f6Slogwang NGM_PATCH_SETCONFIG = 1, 45*3b2bd0f6Slogwang NGM_PATCH_GETCONFIG, 46*3b2bd0f6Slogwang NGM_PATCH_GET_STATS, 47*3b2bd0f6Slogwang NGM_PATCH_CLR_STATS, 48*3b2bd0f6Slogwang NGM_PATCH_GETCLR_STATS 49*3b2bd0f6Slogwang }; 50*3b2bd0f6Slogwang 51*3b2bd0f6Slogwang /* Patching modes */ 52*3b2bd0f6Slogwang enum { 53*3b2bd0f6Slogwang NG_PATCH_MODE_SET = 1, 54*3b2bd0f6Slogwang NG_PATCH_MODE_ADD = 2, 55*3b2bd0f6Slogwang NG_PATCH_MODE_SUB = 3, 56*3b2bd0f6Slogwang NG_PATCH_MODE_MUL = 4, 57*3b2bd0f6Slogwang NG_PATCH_MODE_DIV = 5, 58*3b2bd0f6Slogwang NG_PATCH_MODE_NEG = 6, 59*3b2bd0f6Slogwang NG_PATCH_MODE_AND = 7, 60*3b2bd0f6Slogwang NG_PATCH_MODE_OR = 8, 61*3b2bd0f6Slogwang NG_PATCH_MODE_XOR = 9, 62*3b2bd0f6Slogwang NG_PATCH_MODE_SHL = 10, 63*3b2bd0f6Slogwang NG_PATCH_MODE_SHR = 11 64*3b2bd0f6Slogwang }; 65*3b2bd0f6Slogwang 66*3b2bd0f6Slogwang struct ng_patch_op { 67*3b2bd0f6Slogwang uint64_t value; 68*3b2bd0f6Slogwang uint32_t offset; 69*3b2bd0f6Slogwang uint16_t length; /* 1,2,4 or 8 (bytes) */ 70*3b2bd0f6Slogwang uint16_t mode; 71*3b2bd0f6Slogwang }; 72*3b2bd0f6Slogwang 73*3b2bd0f6Slogwang #define NG_PATCH_OP_TYPE_INFO { \ 74*3b2bd0f6Slogwang { "value", &ng_parse_uint64_type }, \ 75*3b2bd0f6Slogwang { "offset", &ng_parse_uint32_type }, \ 76*3b2bd0f6Slogwang { "length", &ng_parse_uint16_type }, \ 77*3b2bd0f6Slogwang { "mode", &ng_parse_uint16_type }, \ 78*3b2bd0f6Slogwang { NULL } \ 79*3b2bd0f6Slogwang } 80*3b2bd0f6Slogwang 81*3b2bd0f6Slogwang struct ng_patch_config { 82*3b2bd0f6Slogwang uint32_t count; 83*3b2bd0f6Slogwang uint32_t csum_flags; 84*3b2bd0f6Slogwang struct ng_patch_op ops[]; 85*3b2bd0f6Slogwang }; 86*3b2bd0f6Slogwang 87*3b2bd0f6Slogwang #define NG_PATCH_CONFIG_TYPE_INFO { \ 88*3b2bd0f6Slogwang { "count", &ng_parse_uint32_type }, \ 89*3b2bd0f6Slogwang { "csum_flags", &ng_parse_uint32_type }, \ 90*3b2bd0f6Slogwang { "ops", &ng_patch_confarr_type }, \ 91*3b2bd0f6Slogwang { NULL } \ 92*3b2bd0f6Slogwang } 93*3b2bd0f6Slogwang 94*3b2bd0f6Slogwang struct ng_patch_stats { 95*3b2bd0f6Slogwang uint64_t received; 96*3b2bd0f6Slogwang uint64_t patched; 97*3b2bd0f6Slogwang uint64_t dropped; 98*3b2bd0f6Slogwang }; 99*3b2bd0f6Slogwang 100*3b2bd0f6Slogwang #define NG_PATCH_STATS_TYPE_INFO { \ 101*3b2bd0f6Slogwang { "received", &ng_parse_uint64_type }, \ 102*3b2bd0f6Slogwang { "patched", &ng_parse_uint64_type }, \ 103*3b2bd0f6Slogwang { "dropped", &ng_parse_uint64_type }, \ 104*3b2bd0f6Slogwang { NULL } \ 105*3b2bd0f6Slogwang } 106*3b2bd0f6Slogwang 107*3b2bd0f6Slogwang #endif /* _NETGRAPH_NG_PATCH_H_ */ 108