/* * ng_hci_var.h */ /*- * Copyright (c) 2001 Maksim Yevmenkin * 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: src/sys/netgraph/bluetooth/hci/ng_hci_var.h,v 1.6 2005/01/07 01:45:43 imp Exp $ */ #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) kprintf #define NG_HCI_ERR if (unit->debug >= NG_HCI_ERR_LEVEL) kprintf #define NG_HCI_WARN if (unit->debug >= NG_HCI_WARN_LEVEL) kprintf #define NG_HCI_INFO if (unit->debug >= NG_HCI_INFO_LEVEL) kprintf /* 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_ */