FreeBSD/Linux Kernel Cross Reference
sys/netsmb/smb_trantcp.h

     /*-
      * Copyright (c) 2000-2001, Boris Popov
      * 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.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *    This product includes software developed by Boris Popov.
     * 4. Neither the name of the author nor the names of any co-contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * 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.
     *
     * $FreeBSD$
     */
    #ifndef _NETSMB_SMB_TRANTCP_H_
    #define _NETSMB_SMB_TRANTCP_H_
    
    #ifdef _KERNEL
    
    #ifdef NB_DEBUG
    #define NBDEBUG(format, args...)         printf("%s(%d): "format,       \
                                                __func__ , __LINE__ ,## args)
    #else
    #define NBDEBUG(format, args...)
    #endif
    
    enum nbstate {
            NBST_CLOSED,
            NBST_RQSENT,
            NBST_SESSION,
            NBST_RETARGET,
            NBST_REFUSED
    };
    
    
    /*
     * socket specific data
     */
    struct nbpcb {
            struct smb_vc * nbp_vc;
            struct socket * nbp_tso;        /* transport socket */
            struct sockaddr_nb *nbp_laddr;  /* local address */
            struct sockaddr_nb *nbp_paddr;  /* peer address */
    
            int             nbp_flags;
    #define NBF_LOCADDR     0x0001          /* has local addr */
    #define NBF_CONNECTED   0x0002
    #define NBF_RECVLOCK    0x0004
    
            enum nbstate    nbp_state;
            struct timespec nbp_timo;
            int             nbp_sndbuf;
            int             nbp_rcvbuf;
            void *          nbp_selectid;
    
    /*      LIST_ENTRY(nbpcb) nbp_link;*/
    };
    
    /*
     * Nominal space allocated per a NETBIOS socket.
     */
    #define NB_SNDQ         (64 * 1024)
    #define NB_RCVQ         (64 * 1024)
    
    /*
     * TCP slowstart presents a problem in conjunction with large
     * reads.  To ensure a steady stream of ACKs while reading using
     * large transaction sizes, we call soreceive() with a smaller
     * buffer size.  See nbssn_recv().
     */
    #define NB_SORECEIVE_CHUNK      (8 * 1024)
    
    extern struct smb_tran_desc smb_tran_nbtcp_desc;
    
    #endif /* _KERNEL */
    
    #endif /* !_NETSMB_SMB_TRANTCP_H_ */

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