sys/netgraph7/atm/uni/ng_uni_cust.h

   1 /*-
   2  * Copyright (c) 2001-2003
   3  *      Fraunhofer Institute for Open Communication Systems (FhG Fokus).
   4  *      All rights reserved.
   5  *
   6  * Author: Hartmut Brandt <harti@freebsd.org>
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  * Customisation of signalling source to the NG environment.
  30  *
  31  * $FreeBSD: src/sys/netgraph/atm/uni/ng_uni_cust.h,v 1.6 2006/06/02 09:08:51 dds Exp $
  32  */
  33
  34 #include <sys/param.h>
  35 #include <sys/systm.h>
  36 #include <sys/kernel.h>
  37 #include <sys/malloc.h>
  38 #include <sys/queue.h>
  39 #include <sys/lock.h>
  40 #include <sys/mutex.h>
  41 #include <sys/mbuf.h>
  42 #include <netgraph/ng_message.h>
  43 #include <netgraph/netgraph.h>
  44 #include <netgraph/atm/ngatmbase.h>
  45
  46 #define ASSERT(E, M) KASSERT(E,M)
  47
  48 /*
  49  * Memory
  50  */
  51 enum unimem {
  52         UNIMEM_INS = 0,
  53         UNIMEM_ALL,
  54         UNIMEM_SIG,
  55         UNIMEM_CALL,
  56         UNIMEM_PARTY,
  57 };
  58 #define UNIMEM_TYPES    5
  59
  60 void *ng_uni_malloc(enum unimem, const char *, u_int);
  61 void ng_uni_free(enum unimem, void *, const char *, u_int);
  62
  63 #define INS_ALLOC()     ng_uni_malloc(UNIMEM_INS, __FILE__, __LINE__)
  64 #define INS_FREE(P)     ng_uni_free(UNIMEM_INS, P, __FILE__, __LINE__)
  65
  66 #define UNI_ALLOC()     ng_uni_malloc(UNIMEM_ALL, __FILE__, __LINE__)
  67 #define UNI_FREE(P)     ng_uni_free(UNIMEM_ALL, P, __FILE__, __LINE__)
  68
  69 #define SIG_ALLOC()     ng_uni_malloc(UNIMEM_SIG, __FILE__, __LINE__)
  70 #define SIG_FREE(P)     ng_uni_free(UNIMEM_SIG, P, __FILE__, __LINE__)
  71
  72 #define CALL_ALLOC()    ng_uni_malloc(UNIMEM_CALL, __FILE__, __LINE__)
  73 #define CALL_FREE(P)    ng_uni_free(UNIMEM_CALL, P, __FILE__, __LINE__)
  74
  75 #define PARTY_ALLOC()   ng_uni_malloc(UNIMEM_PARTY, __FILE__, __LINE__)
  76 #define PARTY_FREE(P)   ng_uni_free(UNIMEM_PARTY, P, __FILE__, __LINE__)
  77
  78 /*
  79  * Timers
  80  */
  81 struct uni_timer {
  82         struct callout c;
  83 };
  84
  85 #define _TIMER_INIT(X,T)        ng_callout_init(&(X)->T.c)
  86 #define _TIMER_DESTROY(UNI,FIELD) _TIMER_STOP(UNI,FIELD)
  87 #define _TIMER_STOP(UNI,FIELD) do {                                             \
  88         ng_uncallout(&FIELD.c, (UNI)->arg);                                     \
  89     } while (0)
  90 #define TIMER_ISACT(UNI,T)      ((UNI)->T.c.c_flags & (CALLOUT_ACTIVE | \
  91                                                         CALLOUT_PENDING))
  92 #define _TIMER_START(UNI,ARG,FIELD,DUE,FUNC) do {                       \
  93         _TIMER_STOP(UNI, FIELD);                                        \
  94         ng_callout(&FIELD.c, (UNI)->arg, NULL,                          \
  95             hz * (DUE) / 1000, FUNC, (ARG), 0);                         \
  96     } while (0)
  97
  98 #define TIMER_FUNC_UNI(T,F)                                             \
  99 static void F(struct uni *);                                            \
 100 static void                                                             \
 101 _##T##_func(node_p node, hook_p hook, void *arg1, int arg2)             \
 102 {                                                                       \
 103         struct uni *uni = (struct uni *)arg1;                           \
 104                                                                         \
 105         (F)(uni);                                                       \
 106         uni_work(uni);                                                  \
 107 }
 108
 109 /*
 110  * Be careful: call may be invalid after the call to F
 111  */
 112 #define TIMER_FUNC_CALL(T,F)                                            \
 113 static void F(struct call *);                                           \
 114 static void                                                             \
 115 _##T##_func(node_p node, hook_p hook, void *arg1, int arg2)             \
 116 {                                                                       \
 117         struct call *call = (struct call *)arg1;                        \
 118         struct uni *uni = call->uni;                                    \
 119                                                                         \
 120         (F)(call);                                                      \
 121         uni_work(uni);                                                  \
 122 }
 123
 124 /*
 125  * Be careful: call/party may be invalid after the call to F
 126  */
 127 #define TIMER_FUNC_PARTY(T,F)                                           \
 128 static void F(struct party *);                                          \
 129 static void                                                             \
 130 _##T##_func(node_p node, hook_p hook, void *arg1, int arg2)             \
 131 {                                                                       \
 132         struct party *party = (struct party *)arg1;                     \
 133         struct uni *uni = party->call->uni;                             \
 134                                                                         \
 135         (F)(party);                                                     \
 136         uni_work(uni);                                                  \
 137 }
 138
 139 extern size_t unimem_sizes[UNIMEM_TYPES];
 140
 141 #define UNICORE                                                         \
 142 size_t unimem_sizes[UNIMEM_TYPES] = {                                   \
 143         [UNIMEM_INS]    = sizeof(struct uni),                           \
 144         [UNIMEM_ALL]    = sizeof(struct uni_all),                       \
 145         [UNIMEM_SIG]    = sizeof(struct sig),                           \
 146         [UNIMEM_CALL]   = sizeof(struct call),                          \
 147         [UNIMEM_PARTY]  = sizeof(struct party)                          \
 148 };
 149
 150 #define memmove(T, F, L) bcopy((F), (T), (L))