6 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
8 * Copyright (c) 2001 Maksim Yevmenkin <m_evmenkin@yahoo.com>
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
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.
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
32 * $Id: ng_hci_var.h,v 1.3 2003/04/26 22:35:21 max Exp $
36 #ifndef _NETGRAPH_HCI_VAR_H_
37 #define _NETGRAPH_HCI_VAR_H_
39 /* MALLOC decalation */
40 #ifdef NG_SEPARATE_MALLOC
41 MALLOC_DECLARE(M_NETGRAPH_HCI);
43 #define M_NETGRAPH_HCI M_NETGRAPH
44 #endif /* NG_SEPARATE_MALLOC */
47 #define NG_HCI_ALERT if (unit->debug >= NG_HCI_ALERT_LEVEL) printf
48 #define NG_HCI_ERR if (unit->debug >= NG_HCI_ERR_LEVEL) printf
49 #define NG_HCI_WARN if (unit->debug >= NG_HCI_WARN_LEVEL) printf
50 #define NG_HCI_INFO if (unit->debug >= NG_HCI_INFO_LEVEL) printf
52 /* Wrapper around m_pullup */
53 #define NG_HCI_M_PULLUP(m, s) \
55 if ((m)->m_len < (s)) \
56 (m) = m_pullup((m), (s)); \
58 NG_HCI_ALERT("%s: %s - m_pullup(%zd) failed\n", \
59 __func__, NG_NODE_NAME(unit->node), (s)); \
63 * Unit hardware buffer descriptor
66 typedef struct ng_hci_unit_buff {
67 u_int8_t cmd_free; /* space available (cmds) */
69 u_int8_t sco_size; /* max. size of one packet */
70 u_int16_t sco_pkts; /* size of buffer (packets) */
71 u_int16_t sco_free; /* space available (packets)*/
73 u_int16_t acl_size; /* max. size of one packet */
74 u_int16_t acl_pkts; /* size of buffer (packets) */
75 u_int16_t acl_free; /* space available (packets)*/
79 * These macro's must be used everywhere in the code. So if extra locking
80 * is required later, it can be added without much troubles.
83 #define NG_HCI_BUFF_CMD_SET(b, v) (b).cmd_free = (v)
84 #define NG_HCI_BUFF_CMD_GET(b, v) (v) = (b).cmd_free
85 #define NG_HCI_BUFF_CMD_USE(b, v) (b).cmd_free -= (v)
87 #define NG_HCI_BUFF_ACL_USE(b, v) (b).acl_free -= (v)
88 #define NG_HCI_BUFF_ACL_FREE(b, v) \
90 (b).acl_free += (v); \
91 if ((b).acl_free > (b).acl_pkts) \
92 (b).acl_free = (b).acl_pkts; \
94 #define NG_HCI_BUFF_ACL_AVAIL(b, v) (v) = (b).acl_free
95 #define NG_HCI_BUFF_ACL_TOTAL(b, v) (v) = (b).acl_pkts
96 #define NG_HCI_BUFF_ACL_SIZE(b, v) (v) = (b).acl_size
97 #define NG_HCI_BUFF_ACL_SET(b, n, s, f) \
100 (b).acl_size = (s); \
101 (b).acl_pkts = (n); \
104 #define NG_HCI_BUFF_SCO_USE(b, v) (b).sco_free -= (v)
105 #define NG_HCI_BUFF_SCO_FREE(b, v) \
107 (b).sco_free += (v); \
108 if ((b).sco_free > (b).sco_pkts) \
109 (b).sco_free = (b).sco_pkts; \
111 #define NG_HCI_BUFF_SCO_AVAIL(b, v) (v) = (b).sco_free
112 #define NG_HCI_BUFF_SCO_TOTAL(b, v) (v) = (b).sco_pkts
113 #define NG_HCI_BUFF_SCO_SIZE(b, v) (v) = (b).sco_size
114 #define NG_HCI_BUFF_SCO_SET(b, n, s, f) \
116 (b).sco_free = (f); \
117 (b).sco_size = (s); \
118 (b).sco_pkts = (n); \
122 * Unit (Node private)
125 struct ng_hci_unit_con;
126 struct ng_hci_neighbor;
128 typedef struct ng_hci_unit {
129 node_p node; /* node ptr */
131 ng_hci_node_debug_ep debug; /* debug level */
132 ng_hci_node_state_ep state; /* unit state */
134 bdaddr_t bdaddr; /* unit address */
135 u_int8_t features[NG_HCI_FEATURES_SIZE];
138 ng_hci_node_link_policy_mask_ep link_policy_mask; /* link policy mask */
139 ng_hci_node_packet_mask_ep packet_mask; /* packet mask */
140 ng_hci_node_role_switch_ep role_switch; /* role switch */
142 ng_hci_node_stat_ep stat; /* statistic */
143 #define NG_HCI_STAT_CMD_SENT(s) (s).cmd_sent ++
144 #define NG_HCI_STAT_EVNT_RECV(s) (s).evnt_recv ++
145 #define NG_HCI_STAT_ACL_SENT(s, n) (s).acl_sent += (n)
146 #define NG_HCI_STAT_ACL_RECV(s) (s).acl_recv ++
147 #define NG_HCI_STAT_SCO_SENT(s, n) (s).sco_sent += (n)
148 #define NG_HCI_STAT_SCO_RECV(s) (s).sco_recv ++
149 #define NG_HCI_STAT_BYTES_SENT(s, b) (s).bytes_sent += (b)
150 #define NG_HCI_STAT_BYTES_RECV(s, b) (s).bytes_recv += (b)
151 #define NG_HCI_STAT_RESET(s) bzero(&(s), sizeof((s)))
153 ng_hci_unit_buff_t buffer; /* buffer info */
155 struct callout cmd_timo; /* command timeout */
156 ng_bt_mbufq_t cmdq; /* command queue */
157 #define NG_HCI_CMD_QUEUE_LEN 12 /* max. size of cmd q */
159 hook_p drv; /* driver hook */
160 hook_p acl; /* upstream hook */
161 hook_p sco; /* upstream hook */
162 hook_p raw; /* upstream hook */
164 LIST_HEAD(, ng_hci_unit_con) con_list; /* connections */
165 LIST_HEAD(, ng_hci_neighbor) neighbors; /* unit neighbors */
167 typedef ng_hci_unit_t * ng_hci_unit_p;
170 * Unit connection descriptor
173 typedef struct ng_hci_unit_con {
174 ng_hci_unit_p unit; /* pointer back */
176 u_int16_t state; /* con. state */
177 u_int16_t flags; /* con. flags */
178 #define NG_HCI_CON_TIMEOUT_PENDING (1 << 0)
179 #define NG_HCI_CON_NOTIFY_ACL (1 << 1)
180 #define NG_HCI_CON_NOTIFY_SCO (1 << 2)
182 bdaddr_t bdaddr; /* remote address */
183 u_int16_t con_handle; /* con. handle */
185 u_int8_t link_type; /* ACL or SCO */
186 u_int8_t encryption_mode; /* none, p2p, ... */
187 u_int8_t mode; /* ACTIVE, HOLD ... */
188 u_int8_t role; /* MASTER/SLAVE */
190 struct callout con_timo; /* con. timeout */
192 int pending; /* # of data pkts */
193 ng_bt_itemq_t conq; /* con. queue */
195 LIST_ENTRY(ng_hci_unit_con) next; /* next */
197 typedef ng_hci_unit_con_t * ng_hci_unit_con_p;
200 * Unit's neighbor descriptor.
201 * Neighbor is a remote unit that responded to our inquiry.
204 typedef struct ng_hci_neighbor {
205 struct timeval updated; /* entry was updated */
207 bdaddr_t bdaddr; /* address */
208 u_int8_t features[NG_HCI_FEATURES_SIZE];
210 u_int8_t addrtype; /*Address Type*/
212 u_int8_t page_scan_rep_mode; /* PS rep. mode */
213 u_int8_t page_scan_mode; /* page scan mode */
214 u_int16_t clock_offset; /* clock offset */
216 uint8_t extinq_data[NG_HCI_EXTINQ_MAX];
217 LIST_ENTRY(ng_hci_neighbor) next;
219 typedef ng_hci_neighbor_t * ng_hci_neighbor_p;
221 #endif /* ndef _NETGRAPH_HCI_VAR_H_ */