1 /* 2 * bluetooth.h 3 */ 4 5 /*- 6 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 7 * 8 * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com> 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $Id: ng_bluetooth.h,v 1.4 2003/04/26 22:32:34 max Exp $ 33 * $FreeBSD$ 34 */ 35 36 #ifndef _NETGRAPH_BLUETOOTH_H_ 37 #define _NETGRAPH_BLUETOOTH_H_ 38 39 #include <sys/queue.h> 40 41 /* 42 * Version of the stack 43 */ 44 45 #define NG_BLUETOOTH_VERSION 1 46 47 /* 48 * Declare the base of the Bluetooth sysctl hierarchy, 49 * but only if this file cares about sysctl's 50 */ 51 52 #ifdef SYSCTL_DECL 53 SYSCTL_DECL(_net_bluetooth); 54 SYSCTL_DECL(_net_bluetooth_hci); 55 SYSCTL_DECL(_net_bluetooth_l2cap); 56 SYSCTL_DECL(_net_bluetooth_rfcomm); 57 SYSCTL_DECL(_net_bluetooth_sco); 58 #endif /* SYSCTL_DECL */ 59 60 /* 61 * Mbuf qeueue and useful mbufq macros. We do not use ifqueue because we 62 * do not need mutex and other locking stuff 63 */ 64 65 struct mbuf; 66 67 struct ng_bt_mbufq { 68 struct mbuf *head; /* first item in the queue */ 69 struct mbuf *tail; /* last item in the queue */ 70 u_int32_t len; /* number of items in the queue */ 71 u_int32_t maxlen; /* maximal number of items in the queue */ 72 u_int32_t drops; /* number if dropped items */ 73 }; 74 typedef struct ng_bt_mbufq ng_bt_mbufq_t; 75 typedef struct ng_bt_mbufq * ng_bt_mbufq_p; 76 77 #define NG_BT_MBUFQ_INIT(q, _maxlen) \ 78 do { \ 79 (q)->head = NULL; \ 80 (q)->tail = NULL; \ 81 (q)->len = 0; \ 82 (q)->maxlen = (_maxlen); \ 83 (q)->drops = 0; \ 84 } while (0) 85 86 #define NG_BT_MBUFQ_DESTROY(q) \ 87 do { \ 88 NG_BT_MBUFQ_DRAIN((q)); \ 89 } while (0) 90 91 #define NG_BT_MBUFQ_FIRST(q) (q)->head 92 93 #define NG_BT_MBUFQ_LEN(q) (q)->len 94 95 #define NG_BT_MBUFQ_FULL(q) ((q)->len >= (q)->maxlen) 96 97 #define NG_BT_MBUFQ_DROP(q) (q)->drops ++ 98 99 #define NG_BT_MBUFQ_ENQUEUE(q, i) \ 100 do { \ 101 (i)->m_nextpkt = NULL; \ 102 \ 103 if ((q)->tail == NULL) \ 104 (q)->head = (i); \ 105 else \ 106 (q)->tail->m_nextpkt = (i); \ 107 \ 108 (q)->tail = (i); \ 109 (q)->len ++; \ 110 } while (0) 111 112 #define NG_BT_MBUFQ_DEQUEUE(q, i) \ 113 do { \ 114 (i) = (q)->head; \ 115 if ((i) != NULL) { \ 116 (q)->head = (q)->head->m_nextpkt; \ 117 if ((q)->head == NULL) \ 118 (q)->tail = NULL; \ 119 \ 120 (q)->len --; \ 121 (i)->m_nextpkt = NULL; \ 122 } \ 123 } while (0) 124 125 #define NG_BT_MBUFQ_PREPEND(q, i) \ 126 do { \ 127 (i)->m_nextpkt = (q)->head; \ 128 if ((q)->tail == NULL) \ 129 (q)->tail = (i); \ 130 \ 131 (q)->head = (i); \ 132 (q)->len ++; \ 133 } while (0) 134 135 #define NG_BT_MBUFQ_DRAIN(q) \ 136 do { \ 137 struct mbuf *m = NULL; \ 138 \ 139 for (;;) { \ 140 NG_BT_MBUFQ_DEQUEUE((q), m); \ 141 if (m == NULL) \ 142 break; \ 143 \ 144 NG_FREE_M(m); \ 145 } \ 146 } while (0) 147 148 /* 149 * Netgraph item queue and useful itemq macros 150 */ 151 152 struct ng_item; 153 154 struct ng_bt_itemq { 155 STAILQ_HEAD(, ng_item) queue; /* actually items queue */ 156 u_int32_t len; /* number of items in the queue */ 157 u_int32_t maxlen; /* maximal number of items in the queue */ 158 u_int32_t drops; /* number if dropped items */ 159 }; 160 typedef struct ng_bt_itemq ng_bt_itemq_t; 161 typedef struct ng_bt_itemq * ng_bt_itemq_p; 162 163 #define NG_BT_ITEMQ_INIT(q, _maxlen) \ 164 do { \ 165 STAILQ_INIT(&(q)->queue); \ 166 (q)->len = 0; \ 167 (q)->maxlen = (_maxlen); \ 168 (q)->drops = 0; \ 169 } while (0) 170 171 #define NG_BT_ITEMQ_DESTROY(q) \ 172 do { \ 173 NG_BT_ITEMQ_DRAIN((q)); \ 174 } while (0) 175 176 #define NG_BT_ITEMQ_FIRST(q) STAILQ_FIRST(&(q)->queue) 177 178 #define NG_BT_ITEMQ_LEN(q) NG_BT_MBUFQ_LEN((q)) 179 180 #define NG_BT_ITEMQ_FULL(q) NG_BT_MBUFQ_FULL((q)) 181 182 #define NG_BT_ITEMQ_DROP(q) NG_BT_MBUFQ_DROP((q)) 183 184 #define NG_BT_ITEMQ_ENQUEUE(q, i) \ 185 do { \ 186 STAILQ_INSERT_TAIL(&(q)->queue, (i), el_next); \ 187 (q)->len ++; \ 188 } while (0) 189 190 #define NG_BT_ITEMQ_DEQUEUE(q, i) \ 191 do { \ 192 (i) = STAILQ_FIRST(&(q)->queue); \ 193 if ((i) != NULL) { \ 194 STAILQ_REMOVE_HEAD(&(q)->queue, el_next); \ 195 (q)->len --; \ 196 } \ 197 } while (0) 198 199 #define NG_BT_ITEMQ_PREPEND(q, i) \ 200 do { \ 201 STAILQ_INSERT_HEAD(&(q)->queue, (i), el_next); \ 202 (q)->len ++; \ 203 } while (0) 204 205 #define NG_BT_ITEMQ_DRAIN(q) \ 206 do { \ 207 struct ng_item *i = NULL; \ 208 \ 209 for (;;) { \ 210 NG_BT_ITEMQ_DEQUEUE((q), i); \ 211 if (i == NULL) \ 212 break; \ 213 \ 214 NG_FREE_ITEM(i); \ 215 } \ 216 } while (0) 217 218 /* 219 * Get Bluetooth stack sysctl globals 220 */ 221 222 u_int32_t bluetooth_hci_command_timeout (void); 223 u_int32_t bluetooth_hci_connect_timeout (void); 224 u_int32_t bluetooth_hci_max_neighbor_age (void); 225 u_int32_t bluetooth_l2cap_rtx_timeout (void); 226 u_int32_t bluetooth_l2cap_ertx_timeout (void); 227 u_int32_t bluetooth_sco_rtx_timeout (void); 228 229 #define BDADDR_BREDR 0 230 #define BDADDR_LE_PUBLIC 1 231 #define BDADDR_LE_RANDOM 2 232 233 #endif /* _NETGRAPH_BLUETOOTH_H_ */ 234