FreeBSD/Linux Kernel Cross Reference
sys/netgraph/bluetooth/l2cap/ng_l2cap_misc.h

     /*
      * ng_l2cap_misc.h
      */
     
     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 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_l2cap_misc.h,v 1.3 2003/09/08 19:11:45 max Exp $
     * $FreeBSD$
     */
    
    #ifndef _NETGRAPH_L2CAP_MISC_H_
    #define _NETGRAPH_L2CAP_MISC_H_
    
    void           ng_l2cap_send_hook_info (node_p, hook_p, void *, int);
    
    /*
     * ACL Connections
     */
    
    ng_l2cap_con_p ng_l2cap_new_con       (ng_l2cap_p, bdaddr_p, int);
    void           ng_l2cap_con_ref       (ng_l2cap_con_p);
    void           ng_l2cap_con_unref     (ng_l2cap_con_p);
    ng_l2cap_con_p ng_l2cap_con_by_addr   (ng_l2cap_p, bdaddr_p, unsigned int);
    ng_l2cap_con_p ng_l2cap_con_by_handle (ng_l2cap_p, u_int16_t);
    void           ng_l2cap_free_con      (ng_l2cap_con_p);
    
    /*
     * L2CAP channels
     */
    
    ng_l2cap_chan_p ng_l2cap_new_chan     (ng_l2cap_p, ng_l2cap_con_p, u_int16_t, int);
    ng_l2cap_chan_p ng_l2cap_chan_by_scid (ng_l2cap_p, u_int16_t, int);
    ng_l2cap_chan_p ng_l2cap_chan_by_conhandle(ng_l2cap_p , uint16_t , u_int16_t);
    
    void            ng_l2cap_free_chan    (ng_l2cap_chan_p);
    
    /*
     * L2CAP command descriptors
     */
    
    #define ng_l2cap_link_cmd(con, cmd) \
    do { \
            TAILQ_INSERT_TAIL(&(con)->cmd_list, (cmd), next); \
            ng_l2cap_con_ref((con)); \
    } while (0)
    
    #define ng_l2cap_unlink_cmd(cmd) \
    do { \
            TAILQ_REMOVE(&((cmd)->con->cmd_list), (cmd), next); \
            ng_l2cap_con_unref((cmd)->con); \
    } while (0)
    
    #define ng_l2cap_free_cmd(cmd) \
    do { \
            KASSERT(!callout_pending(&(cmd)->timo), ("Pending callout!")); \
            NG_FREE_M((cmd)->aux); \
            bzero((cmd), sizeof(*(cmd))); \
            free((cmd), M_NETGRAPH_L2CAP); \
    } while (0)
    
    ng_l2cap_cmd_p ng_l2cap_new_cmd      (ng_l2cap_con_p, ng_l2cap_chan_p,
                                                    u_int8_t, u_int8_t, u_int32_t);
    ng_l2cap_cmd_p ng_l2cap_cmd_by_ident (ng_l2cap_con_p, u_int8_t);
    u_int8_t       ng_l2cap_get_ident    (ng_l2cap_con_p);
    
    /*
     * Timeout
     */
    
    int ng_l2cap_discon_timeout    (ng_l2cap_con_p);
    int ng_l2cap_discon_untimeout  (ng_l2cap_con_p);
    int ng_l2cap_lp_timeout        (ng_l2cap_con_p);
    int ng_l2cap_lp_untimeout      (ng_l2cap_con_p);
    int ng_l2cap_command_timeout   (ng_l2cap_cmd_p, int);
   int ng_l2cap_command_untimeout (ng_l2cap_cmd_p);
   
   /*
    * Other stuff
    */
   
   struct mbuf *   ng_l2cap_prepend      (struct mbuf *, int);
   ng_l2cap_flow_p ng_l2cap_default_flow (void);
   
   #endif /* ndef _NETGRAPH_L2CAP_MISC_H_ */

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