Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 107 insertions, 0 deletions

diff --git a/src/spdk/lib/sock/net_framework.c b/src/spdk/lib/sock/net_framework.c
new file mode 100644
index 000000000..45d52d162
--- /dev/null
+++ b/src/spdk/lib/sock/net_framework.c
@@ -0,0 +1,107 @@
+/*-
+ *   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);
+}