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/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
* OWNER 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.
*/
#include "spdk/log.h"
#include "spdk/net.h"
#include "spdk/queue.h"
static STAILQ_HEAD(, spdk_net_framework) g_net_frameworks =
STAILQ_HEAD_INITIALIZER(g_net_frameworks);
static spdk_net_init_cb g_init_cb_fn = NULL;
static void *g_init_cb_arg = NULL;
static spdk_net_fini_cb g_fini_cb_fn = NULL;
static void *g_fini_cb_arg = NULL;
struct spdk_net_framework *g_next_net_framework = NULL;
static inline struct spdk_net_framework *
get_next_net_framework(struct spdk_net_framework *net)
{
return net ? STAILQ_NEXT(net, link) : STAILQ_FIRST(&g_net_frameworks);
}
void
spdk_net_framework_init_next(int rc)
{
if (rc) {
SPDK_ERRLOG("Net framework %s failed to initalize with error %d\n", g_next_net_framework->name, rc);
g_init_cb_fn(g_init_cb_arg, rc);
return;
}
g_next_net_framework = get_next_net_framework(g_next_net_framework);
if (g_next_net_framework == NULL) {
g_init_cb_fn(g_init_cb_arg, 0);
return;
}
g_next_net_framework->init();
}
void
spdk_net_framework_start(spdk_net_init_cb cb_fn, void *cb_arg)
{
g_init_cb_fn = cb_fn;
g_init_cb_arg = cb_arg;
spdk_net_framework_init_next(0);
}
void
spdk_net_framework_fini_next(void)
{
g_next_net_framework = get_next_net_framework(g_next_net_framework);
if (g_next_net_framework == NULL) {
g_fini_cb_fn(g_fini_cb_arg);
return;
}
g_next_net_framework->fini();
}
void
spdk_net_framework_fini(spdk_net_fini_cb cb_fn, void *cb_arg)
{
g_fini_cb_fn = cb_fn;
g_fini_cb_arg = cb_arg;
spdk_net_framework_fini_next();
}
void
spdk_net_framework_register(struct spdk_net_framework *frame)
{
STAILQ_INSERT_TAIL(&g_net_frameworks, frame, link);
}
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