1 /* 2 * ng_ksocket.h 3 */ 4 5 /*- 6 * Copyright (c) 1996-1999 Whistle Communications, Inc. 7 * All rights reserved. 8 * 9 * Subject to the following obligations and disclaimer of warranty, use and 10 * redistribution of this software, in source or object code forms, with or 11 * without modifications are expressly permitted by Whistle Communications; 12 * provided, however, that: 13 * 1. Any and all reproductions of the source or object code must include the 14 * copyright notice above and the following disclaimer of warranties; and 15 * 2. No rights are granted, in any manner or form, to use Whistle 16 * Communications, Inc. trademarks, including the mark "WHISTLE 17 * COMMUNICATIONS" on advertising, endorsements, or otherwise except as 18 * such appears in the above copyright notice or in the software. 19 * 20 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND 21 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO 22 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE, 23 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF 24 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. 25 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY 26 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS 27 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE. 28 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES 29 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING 30 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 31 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR 32 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY 33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 35 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY 36 * OF SUCH DAMAGE. 37 * 38 * Author: Archie Cobbs <archie@freebsd.org> 39 * $Whistle: ng_ksocket.h,v 1.1 1999/11/16 20:04:40 archie Exp $ 40 */ 41 42 #ifndef _NETGRAPH_NG_KSOCKET_H_ 43 #define _NETGRAPH_NG_KSOCKET_H_ 44 45 #include <sys/socket.h> 46 47 /* Node type name and magic cookie */ 48 #define NG_KSOCKET_NODE_TYPE "ksocket" 49 #define NGM_KSOCKET_COOKIE 942710669 50 51 /* For NGM_KSOCKET_SETOPT and NGM_KSOCKET_GETOPT control messages */ 52 struct ng_ksocket_sockopt { 53 int32_t level; /* second arg of [gs]etsockopt() */ 54 int32_t name; /* third arg of [gs]etsockopt() */ 55 u_char value[]; /* fourth arg of [gs]etsockopt() */ 56 }; 57 58 /* Max length socket option we can return via NGM_KSOCKET_GETOPT 59 XXX This should not be necessary, we should dynamically size 60 XXX the response. Until then.. */ 61 #define NG_KSOCKET_MAX_OPTLEN 1024 62 63 /* Keep this in sync with the above structure definition */ 64 #define NG_KSOCKET_SOCKOPT_INFO(svtype) { \ 65 { "level", &ng_parse_int32_type }, \ 66 { "name", &ng_parse_int32_type }, \ 67 { "value", (svtype) }, \ 68 { NULL } \ 69 } 70 71 /* For NGM_KSOCKET_ACCEPT control message responses */ 72 struct ng_ksocket_accept { 73 u_int32_t nodeid; /* node ID of connected ksocket */ 74 struct sockaddr addr; /* peer's address (variable length) */ 75 }; 76 77 /* Keep this in sync with the above structure definition */ 78 #define NGM_KSOCKET_ACCEPT_INFO { \ 79 { "nodeid", &ng_parse_hint32_type }, \ 80 { "addr", &ng_ksocket_generic_sockaddr_type }, \ 81 { NULL } \ 82 } 83 84 /* Netgraph commands */ 85 enum { 86 NGM_KSOCKET_BIND = 1, 87 NGM_KSOCKET_LISTEN, 88 NGM_KSOCKET_ACCEPT, 89 NGM_KSOCKET_CONNECT, 90 NGM_KSOCKET_GETNAME, 91 NGM_KSOCKET_GETPEERNAME, 92 NGM_KSOCKET_SETOPT, 93 NGM_KSOCKET_GETOPT, 94 }; 95 96 #ifdef _KERNEL 97 98 /* Structure for sockaddr tag */ 99 struct sa_tag { 100 struct m_tag tag; 101 ng_ID_t id; 102 struct sockaddr sa; 103 }; 104 105 /* Tag information ID's */ 106 #define NG_KSOCKET_TAG_SOCKADDR 1 /* data is struct sockaddr */ 107 108 #endif /* _KERNEL */ 109 #endif /* _NETGRAPH_NG_KSOCKET_H_ */ 110