ng_uni_cust.h

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/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright (c) 2001-2003
 *      Fraunhofer Institute for Open Communication Systems (FhG Fokus).
 *      All rights reserved.
 *
 * Author: Hartmut Brandt <harti@freebsd.org>
 *
 * 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.
 *
 * Customisation of signalling source to the NG environment.
 *
 * $FreeBSD$
 */
 
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/queue.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/mbuf.h>
#include <netgraph/ng_message.h>
#include <netgraph/netgraph.h>
#include <netgraph/atm/ngatmbase.h>
 
#define ASSERT(E, M) KASSERT(E,M)
 
/*
 * Memory
 */
enum unimem {
        UNIMEM_INS = 0,
        UNIMEM_ALL,
        UNIMEM_SIG,
        UNIMEM_CALL,
        UNIMEM_PARTY,
};
#define UNIMEM_TYPES    5
 
void *ng_uni_malloc(enum unimem, const char *, u_int);
void ng_uni_free(enum unimem, void *, const char *, u_int);
 
#define INS_ALLOC()     ng_uni_malloc(UNIMEM_INS, __FILE__, __LINE__)
#define INS_FREE(P)     ng_uni_free(UNIMEM_INS, P, __FILE__, __LINE__)
 
#define UNI_ALLOC()     ng_uni_malloc(UNIMEM_ALL, __FILE__, __LINE__)
#define UNI_FREE(P)     ng_uni_free(UNIMEM_ALL, P, __FILE__, __LINE__)
 
#define SIG_ALLOC()     ng_uni_malloc(UNIMEM_SIG, __FILE__, __LINE__)
#define SIG_FREE(P)     ng_uni_free(UNIMEM_SIG, P, __FILE__, __LINE__)
 
#define CALL_ALLOC()    ng_uni_malloc(UNIMEM_CALL, __FILE__, __LINE__)
#define CALL_FREE(P)    ng_uni_free(UNIMEM_CALL, P, __FILE__, __LINE__)
 
#define PARTY_ALLOC()   ng_uni_malloc(UNIMEM_PARTY, __FILE__, __LINE__)
#define PARTY_FREE(P)   ng_uni_free(UNIMEM_PARTY, P, __FILE__, __LINE__)
 
/*
 * Timers
 */
struct uni_timer {
        struct callout c;
};
 
#define _TIMER_INIT(X,T)        ng_callout_init(&(X)->T.c)
#define _TIMER_DESTROY(UNI,FIELD) _TIMER_STOP(UNI,FIELD)
#define _TIMER_STOP(UNI,FIELD) do {                                             \
        ng_uncallout(&FIELD.c, (UNI)->arg);                                     \
    } while (0)
#define TIMER_ISACT(UNI,T)      (callout_active(&(UNI)->T.c) ||         \
        callout_pending(&(UNI)->T.c))
#define _TIMER_START(UNI,ARG,FIELD,DUE,FUNC) do {                       \
        _TIMER_STOP(UNI, FIELD);                                        \
        ng_callout(&FIELD.c, (UNI)->arg, NULL,                          \
            hz * (DUE) / 1000, FUNC, (ARG), 0);                         \
    } while (0)
 
#define TIMER_FUNC_UNI(T,F)                                             \
static void F(struct uni *);                                            \
static void                                                             \
_##T##_func(node_p node, hook_p hook, void *arg1, int arg2)             \
{                                                                       \
        struct uni *uni = (struct uni *)arg1;                           \
                                                                        \
        (F)(uni);                                                       \
        uni_work(uni);                                                  \
}
 
/*
 * Be careful: call may be invalid after the call to F
 */
#define TIMER_FUNC_CALL(T,F)                                            \
static void F(struct call *);                                           \
static void                                                             \
_##T##_func(node_p node, hook_p hook, void *arg1, int arg2)             \
{                                                                       \
        struct call *call = (struct call *)arg1;                        \
        struct uni *uni = call->uni;                                    \
                                                                        \
        (F)(call);                                                      \
        uni_work(uni);                                                  \
}
 
/*
 * Be careful: call/party may be invalid after the call to F
 */
#define TIMER_FUNC_PARTY(T,F)                                           \
static void F(struct party *);                                          \
static void                                                             \
_##T##_func(node_p node, hook_p hook, void *arg1, int arg2)             \
{                                                                       \
        struct party *party = (struct party *)arg1;                     \
        struct uni *uni = party->call->uni;                             \
                                                                        \
        (F)(party);                                                     \
        uni_work(uni);                                                  \
}
 
extern size_t unimem_sizes[UNIMEM_TYPES];
 
#define UNICORE                                                         \
size_t unimem_sizes[UNIMEM_TYPES] = {                                   \
        [UNIMEM_INS]    = sizeof(struct uni),                           \
        [UNIMEM_ALL]    = sizeof(struct uni_all),                       \
        [UNIMEM_SIG]    = sizeof(struct sig),                           \
        [UNIMEM_CALL]   = sizeof(struct call),                          \
        [UNIMEM_PARTY]  = sizeof(struct party)                          \
};