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  * $DragonFly: src/sys/netgraph7/atm/uni/ng_uni_cust.h,v 1.2 2008/06/26 23:05:39 dillon Exp $
  33  * $DragonFly: src/sys/netgraph7/atm/uni/ng_uni_cust.h,v 1.2 2008/06/26 23:05:39 dillon Exp $
  34  */
  35
  36 #include <sys/param.h>
  37 #include <sys/systm.h>
  38 #include <sys/kernel.h>
  39 #include <sys/malloc.h>
  40 #include <sys/queue.h>
  41 #include <sys/lock.h>
  42 #include <sys/mutex.h>
  43 #include <sys/mbuf.h>
  44 #include "ng_message.h"
  45 #include "netgraph.h"
  46 #include "atm/ngatmbase.h"
  47
  48 #define ASSERT(E, M) KASSERT(E,M)
  49
  50 /*
  51  * Memory
  52  */
  53 enum unimem {
  54         UNIMEM_INS = 0,
  55         UNIMEM_ALL,
  56         UNIMEM_SIG,
  57         UNIMEM_CALL,
  58         UNIMEM_PARTY,
  59 };
  60 #define UNIMEM_TYPES    5
  61
  62 void *ng_uni_malloc(enum unimem, const char *, u_int);
  63 void ng_uni_free(enum unimem, void *, const char *, u_int);
  64
  65 #define INS_ALLOC()     ng_uni_malloc(UNIMEM_INS, __FILE__, __LINE__)
  66 #define INS_FREE(P)     ng_uni_free(UNIMEM_INS, P, __FILE__, __LINE__)
  67
  68 #define UNI_ALLOC()     ng_uni_malloc(UNIMEM_ALL, __FILE__, __LINE__)
  69 #define UNI_FREE(P)     ng_uni_free(UNIMEM_ALL, P, __FILE__, __LINE__)
  70
  71 #define SIG_ALLOC()     ng_uni_malloc(UNIMEM_SIG, __FILE__, __LINE__)
  72 #define SIG_FREE(P)     ng_uni_free(UNIMEM_SIG, P, __FILE__, __LINE__)
  73
  74 #define CALL_ALLOC()    ng_uni_malloc(UNIMEM_CALL, __FILE__, __LINE__)
  75 #define CALL_FREE(P)    ng_uni_free(UNIMEM_CALL, P, __FILE__, __LINE__)
  76
  77 #define PARTY_ALLOC()   ng_uni_malloc(UNIMEM_PARTY, __FILE__, __LINE__)
  78 #define PARTY_FREE(P)   ng_uni_free(UNIMEM_PARTY, P, __FILE__, __LINE__)
  79
  80 /*
  81  * Timers
  82  */
  83 struct uni_timer {
  84         struct callout c;
  85 };
  86
  87 #define _TIMER_INIT(X,T)        ng_callout_init(&(X)->T.c)
  88 #define _TIMER_DESTROY(UNI,FIELD) _TIMER_STOP(UNI,FIELD)
  89 #define _TIMER_STOP(UNI,FIELD) do {                                             \
  90         ng_uncallout(&FIELD.c, (UNI)->arg);                                     \
  91     } while (0)
  92 #define TIMER_ISACT(UNI,T)      ((UNI)->T.c.c_flags & (CALLOUT_ACTIVE | \
  93                                                         CALLOUT_PENDING))
  94 #define _TIMER_START(UNI,ARG,FIELD,DUE,FUNC) do {                       \
  95         _TIMER_STOP(UNI, FIELD);                                        \
  96         ng_callout(&FIELD.c, (UNI)->arg, NULL,                          \
  97             hz * (DUE) / 1000, FUNC, (ARG), 0);                         \
  98     } while (0)
  99
 100 #define TIMER_FUNC_UNI(T,F)                                             \
 101 static void F(struct uni *);                                            \
 102 static void                                                             \
 103 _##T##_func(node_p node, hook_p hook, void *arg1, int arg2)             \
 104 {                                                                       \
 105         struct uni *uni = (struct uni *)arg1;                           \
 106                                                                         \
 107         (F)(uni);                                                       \
 108         uni_work(uni);                                                  \
 109 }
 110
 111 /*
 112  * Be careful: call may be invalid after the call to F
 113  */
 114 #define TIMER_FUNC_CALL(T,F)                                            \
 115 static void F(struct call *);                                           \
 116 static void                                                             \
 117 _##T##_func(node_p node, hook_p hook, void *arg1, int arg2)             \
 118 {                                                                       \
 119         struct call *call = (struct call *)arg1;                        \
 120         struct uni *uni = call->uni;                                    \
 121                                                                         \
 122         (F)(call);                                                      \
 123         uni_work(uni);                                                  \
 124 }
 125
 126 /*
 127  * Be careful: call/party may be invalid after the call to F
 128  */
 129 #define TIMER_FUNC_PARTY(T,F)                                           \
 130 static void F(struct party *);                                          \
 131 static void                                                             \
 132 _##T##_func(node_p node, hook_p hook, void *arg1, int arg2)             \
 133 {                                                                       \
 134         struct party *party = (struct party *)arg1;                     \
 135         struct uni *uni = party->call->uni;                             \
 136                                                                         \
 137         (F)(party);                                                     \
 138         uni_work(uni);                                                  \
 139 }
 140
 141 extern size_t unimem_sizes[UNIMEM_TYPES];
 142
 143 #define UNICORE                                                         \
 144 size_t unimem_sizes[UNIMEM_TYPES] = {                                   \
 145         [UNIMEM_INS]    = sizeof(struct uni),                           \
 146         [UNIMEM_ALL]    = sizeof(struct uni_all),                       \
 147         [UNIMEM_SIG]    = sizeof(struct sig),                           \
 148         [UNIMEM_CALL]   = sizeof(struct call),                          \
 149         [UNIMEM_PARTY]  = sizeof(struct party)                          \
 150 };
 151
 152 #define memmove(T, F, L) bcopy((F), (T), (L))