usr/src/uts/common/io/ksocket/ksocket_impl.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _INET_KSOCKET_KSOCKET_IMPL_H
  28 #define _INET_KSOCKET_KSOCKET_IMPL_H
  29
  30 #define KSTOSO(ks)      ((struct sonode *)(ks))
  31 #define SOTOKS(so)      ((ksocket_t)(uintptr_t)(so))
  32
  33 #define IS_KERNEL_SOCKET(so)    ((so)->so_mode & SM_KERNEL)
  34
  35 #define KSOCKET_MOD_VERSION     "kernel socket module"
  36
  37 #define __KSOCKET_EV_connected          KSOCKET_EV_CONNECTED
  38 #define __KSOCKET_EV_connectfailed      KSOCKET_EV_CONNECTFAILED
  39 #define __KSOCKET_EV_disconnected       KSOCKET_EV_DISCONNECTED
  40 #define __KSOCKET_EV_oobdata            KSOCKET_EV_OOBDATA
  41 #define __KSOCKET_EV_newdata            KSOCKET_EV_NEWDATA
  42 #define __KSOCKET_EV_newconn            KSOCKET_EV_NEWCONN
  43 #define __KSOCKET_EV_cansend            KSOCKET_EV_CANSEND
  44 #define __KSOCKET_EV_cantsendmore       KSOCKET_EV_CANTSENDMORE
  45 #define __KSOCKET_EV_cantrecvmore       KSOCKET_EV_CANTRECVMORE
  46 #define __KSOCKET_EV_error              KSOCKET_EV_ERROR
  47
  48 #define KSOCKET_CALLBACK(so, cbfn, arg)                                 \
  49         if ((so)->so_ksock_callbacks.ksock_cb_##cbfn != NULL) {         \
  50                 (*(so)->so_ksock_callbacks.ksock_cb_##cbfn)(SOTOKS(so), \
  51                     __KSOCKET_EV_##cbfn, (so)->so_ksock_cb_arg, (arg)); \
  52         }
  53
  54 #define KSOCKET_FMODE(so)       FREAD|FWRITE|   \
  55         ((KSTOSO(so)->so_state & (SS_NDELAY|SS_NONBLOCK)) ? FNDELAY : 0)
  56
  57 #define KSOCKET_VALID(ks)       \
  58         ((ks) != NULL && (KSTOSO(ks))->so_mode & SM_KERNEL &&           \
  59             !((KSTOSO(ks))->so_state & SS_CLOSING))
  60
  61 #define SETCALLBACK(so, cb, cbfn, cbflg)                        \
  62         if ((cb)->ksock_cb_flags & (cbflg)) {                   \
  63                 (so)->so_ksock_callbacks.ksock_cb_##cbfn        \
  64                     = (cb)->ksock_cb_##cbfn;                    \
  65                 if ((cb)->ksock_cb_##cbfn == NULL)              \
  66                         (so)->so_ksock_callbacks.ksock_cb_flags \
  67                             &= ~(cbflg);                        \
  68                 else                                            \
  69                         (so)->so_ksock_callbacks.ksock_cb_flags \
  70                             |= (cbflg);                         \
  71         }
  72
  73
  74 #endif /* _INET_KSOCKET_KSOCKET_IMPL_H */