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| Current File : //sys/netgraph/bluetooth/hci/ng_hci_var.h |
/*
* ng_hci_var.h
*/
/*-
* Copyright (c) 2001 Maksim Yevmenkin <m_evmenkin@yahoo.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: ng_hci_var.h,v 1.3 2003/04/26 22:35:21 max Exp $
* $FreeBSD: release/9.1.0/sys/netgraph/bluetooth/hci/ng_hci_var.h 139823 2005-01-07 01:45:51Z imp $
*/
#ifndef _NETGRAPH_HCI_VAR_H_
#define _NETGRAPH_HCI_VAR_H_
/* MALLOC decalation */
#ifdef NG_SEPARATE_MALLOC
MALLOC_DECLARE(M_NETGRAPH_HCI);
#else
#define M_NETGRAPH_HCI M_NETGRAPH
#endif /* NG_SEPARATE_MALLOC */
/* Debug */
#define NG_HCI_ALERT if (unit->debug >= NG_HCI_ALERT_LEVEL) printf
#define NG_HCI_ERR if (unit->debug >= NG_HCI_ERR_LEVEL) printf
#define NG_HCI_WARN if (unit->debug >= NG_HCI_WARN_LEVEL) printf
#define NG_HCI_INFO if (unit->debug >= NG_HCI_INFO_LEVEL) printf
/* Wrapper around m_pullup */
#define NG_HCI_M_PULLUP(m, s) \
do { \
if ((m)->m_len < (s)) \
(m) = m_pullup((m), (s)); \
if ((m) == NULL) \
NG_HCI_ALERT("%s: %s - m_pullup(%zd) failed\n", \
__func__, NG_NODE_NAME(unit->node), (s)); \
} while (0)
/*
* Unit hardware buffer descriptor
*/
typedef struct ng_hci_unit_buff {
u_int8_t cmd_free; /* space available (cmds) */
u_int8_t sco_size; /* max. size of one packet */
u_int16_t sco_pkts; /* size of buffer (packets) */
u_int16_t sco_free; /* space available (packets)*/
u_int16_t acl_size; /* max. size of one packet */
u_int16_t acl_pkts; /* size of buffer (packets) */
u_int16_t acl_free; /* space available (packets)*/
} ng_hci_unit_buff_t;
/*
* These macro's must be used everywhere in the code. So if extra locking
* is required later, it can be added without much troubles.
*/
#define NG_HCI_BUFF_CMD_SET(b, v) (b).cmd_free = (v)
#define NG_HCI_BUFF_CMD_GET(b, v) (v) = (b).cmd_free
#define NG_HCI_BUFF_CMD_USE(b, v) (b).cmd_free -= (v)
#define NG_HCI_BUFF_ACL_USE(b, v) (b).acl_free -= (v)
#define NG_HCI_BUFF_ACL_FREE(b, v) \
do { \
(b).acl_free += (v); \
if ((b).acl_free > (b).acl_pkts) \
(b).acl_free = (b).acl_pkts; \
} while (0)
#define NG_HCI_BUFF_ACL_AVAIL(b, v) (v) = (b).acl_free
#define NG_HCI_BUFF_ACL_TOTAL(b, v) (v) = (b).acl_pkts
#define NG_HCI_BUFF_ACL_SIZE(b, v) (v) = (b).acl_size
#define NG_HCI_BUFF_ACL_SET(b, n, s, f) \
do { \
(b).acl_free = (f); \
(b).acl_size = (s); \
(b).acl_pkts = (n); \
} while (0)
#define NG_HCI_BUFF_SCO_USE(b, v) (b).sco_free -= (v)
#define NG_HCI_BUFF_SCO_FREE(b, v) \
do { \
(b).sco_free += (v); \
if ((b).sco_free > (b).sco_pkts) \
(b).sco_free = (b).sco_pkts; \
} while (0)
#define NG_HCI_BUFF_SCO_AVAIL(b, v) (v) = (b).sco_free
#define NG_HCI_BUFF_SCO_TOTAL(b, v) (v) = (b).sco_pkts
#define NG_HCI_BUFF_SCO_SIZE(b, v) (v) = (b).sco_size
#define NG_HCI_BUFF_SCO_SET(b, n, s, f) \
do { \
(b).sco_free = (f); \
(b).sco_size = (s); \
(b).sco_pkts = (n); \
} while (0)
/*
* Unit (Node private)
*/
struct ng_hci_unit_con;
struct ng_hci_neighbor;
typedef struct ng_hci_unit {
node_p node; /* node ptr */
ng_hci_node_debug_ep debug; /* debug level */
ng_hci_node_state_ep state; /* unit state */
bdaddr_t bdaddr; /* unit address */
u_int8_t features[NG_HCI_FEATURES_SIZE];
/* LMP features */
ng_hci_node_link_policy_mask_ep link_policy_mask; /* link policy mask */
ng_hci_node_packet_mask_ep packet_mask; /* packet mask */
ng_hci_node_role_switch_ep role_switch; /* role switch */
ng_hci_node_stat_ep stat; /* statistic */
#define NG_HCI_STAT_CMD_SENT(s) (s).cmd_sent ++
#define NG_HCI_STAT_EVNT_RECV(s) (s).evnt_recv ++
#define NG_HCI_STAT_ACL_SENT(s, n) (s).acl_sent += (n)
#define NG_HCI_STAT_ACL_RECV(s) (s).acl_recv ++
#define NG_HCI_STAT_SCO_SENT(s, n) (s).sco_sent += (n)
#define NG_HCI_STAT_SCO_RECV(s) (s).sco_recv ++
#define NG_HCI_STAT_BYTES_SENT(s, b) (s).bytes_sent += (b)
#define NG_HCI_STAT_BYTES_RECV(s, b) (s).bytes_recv += (b)
#define NG_HCI_STAT_RESET(s) bzero(&(s), sizeof((s)))
ng_hci_unit_buff_t buffer; /* buffer info */
struct callout cmd_timo; /* command timeout */
ng_bt_mbufq_t cmdq; /* command queue */
#define NG_HCI_CMD_QUEUE_LEN 12 /* max. size of cmd q */
hook_p drv; /* driver hook */
hook_p acl; /* upstream hook */
hook_p sco; /* upstream hook */
hook_p raw; /* upstream hook */
LIST_HEAD(, ng_hci_unit_con) con_list; /* connections */
LIST_HEAD(, ng_hci_neighbor) neighbors; /* unit neighbors */
} ng_hci_unit_t;
typedef ng_hci_unit_t * ng_hci_unit_p;
/*
* Unit connection descriptor
*/
typedef struct ng_hci_unit_con {
ng_hci_unit_p unit; /* pointer back */
u_int16_t state; /* con. state */
u_int16_t flags; /* con. flags */
#define NG_HCI_CON_TIMEOUT_PENDING (1 << 0)
#define NG_HCI_CON_NOTIFY_ACL (1 << 1)
#define NG_HCI_CON_NOTIFY_SCO (1 << 2)
bdaddr_t bdaddr; /* remote address */
u_int16_t con_handle; /* con. handle */
u_int8_t link_type; /* ACL or SCO */
u_int8_t encryption_mode; /* none, p2p, ... */
u_int8_t mode; /* ACTIVE, HOLD ... */
u_int8_t role; /* MASTER/SLAVE */
struct callout con_timo; /* con. timeout */
int pending; /* # of data pkts */
ng_bt_itemq_t conq; /* con. queue */
LIST_ENTRY(ng_hci_unit_con) next; /* next */
} ng_hci_unit_con_t;
typedef ng_hci_unit_con_t * ng_hci_unit_con_p;
/*
* Unit's neighbor descriptor.
* Neighbor is a remote unit that responded to our inquiry.
*/
typedef struct ng_hci_neighbor {
struct timeval updated; /* entry was updated */
bdaddr_t bdaddr; /* address */
u_int8_t features[NG_HCI_FEATURES_SIZE];
/* LMP features */
u_int8_t page_scan_rep_mode; /* PS rep. mode */
u_int8_t page_scan_mode; /* page scan mode */
u_int16_t clock_offset; /* clock offset */
LIST_ENTRY(ng_hci_neighbor) next;
} ng_hci_neighbor_t;
typedef ng_hci_neighbor_t * ng_hci_neighbor_p;
#endif /* ndef _NETGRAPH_HCI_VAR_H_ */