Adding upstream version 14.2.21.upstream/14.2.21upstream

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

4 files changed, 165 insertions, 0 deletions

diff --git a/src/spdk/dpdk/drivers/mempool/ring/Makefile b/src/spdk/dpdk/drivers/mempool/ring/Makefile
new file mode 100644
index 00000000..ddab522f
--- /dev/null
+++ b/src/spdk/dpdk/drivers/mempool/ring/Makefile
@@ -0,0 +1,21 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright 2017 NXP
+
+include $(RTE_SDK)/mk/rte.vars.mk
+
+#
+# library name
+#
+LIB = librte_mempool_ring.a
+
+CFLAGS += -O3
+CFLAGS += $(WERROR_FLAGS)
+LDLIBS += -lrte_eal -lrte_mempool -lrte_ring
+
+EXPORT_MAP := rte_mempool_ring_version.map
+
+LIBABIVER := 1
+
+SRCS-$(CONFIG_RTE_DRIVER_MEMPOOL_RING) += rte_mempool_ring.c
+
+include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/src/spdk/dpdk/drivers/mempool/ring/meson.build b/src/spdk/dpdk/drivers/mempool/ring/meson.build
new file mode 100644
index 00000000..a021e908
--- /dev/null
+++ b/src/spdk/dpdk/drivers/mempool/ring/meson.build
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2017 Intel Corporation
+
+sources = files('rte_mempool_ring.c')
diff --git a/src/spdk/dpdk/drivers/mempool/ring/rte_mempool_ring.c b/src/spdk/dpdk/drivers/mempool/ring/rte_mempool_ring.c
new file mode 100644
index 00000000..bc123fc5
--- /dev/null
+++ b/src/spdk/dpdk/drivers/mempool/ring/rte_mempool_ring.c
@@ -0,0 +1,136 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2016 Intel Corporation
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include <rte_errno.h>
+#include <rte_ring.h>
+#include <rte_mempool.h>
+
+static int
+common_ring_mp_enqueue(struct rte_mempool *mp, void * const *obj_table,
+		unsigned n)
+{
+	return rte_ring_mp_enqueue_bulk(mp->pool_data,
+			obj_table, n, NULL) == 0 ? -ENOBUFS : 0;
+}
+
+static int
+common_ring_sp_enqueue(struct rte_mempool *mp, void * const *obj_table,
+		unsigned n)
+{
+	return rte_ring_sp_enqueue_bulk(mp->pool_data,
+			obj_table, n, NULL) == 0 ? -ENOBUFS : 0;
+}
+
+static int
+common_ring_mc_dequeue(struct rte_mempool *mp, void **obj_table, unsigned n)
+{
+	return rte_ring_mc_dequeue_bulk(mp->pool_data,
+			obj_table, n, NULL) == 0 ? -ENOBUFS : 0;
+}
+
+static int
+common_ring_sc_dequeue(struct rte_mempool *mp, void **obj_table, unsigned n)
+{
+	return rte_ring_sc_dequeue_bulk(mp->pool_data,
+			obj_table, n, NULL) == 0 ? -ENOBUFS : 0;
+}
+
+static unsigned
+common_ring_get_count(const struct rte_mempool *mp)
+{
+	return rte_ring_count(mp->pool_data);
+}
+
+
+static int
+common_ring_alloc(struct rte_mempool *mp)
+{
+	int rg_flags = 0, ret;
+	char rg_name[RTE_RING_NAMESIZE];
+	struct rte_ring *r;
+
+	ret = snprintf(rg_name, sizeof(rg_name),
+		RTE_MEMPOOL_MZ_FORMAT, mp->name);
+	if (ret < 0 || ret >= (int)sizeof(rg_name)) {
+		rte_errno = ENAMETOOLONG;
+		return -rte_errno;
+	}
+
+	/* ring flags */
+	if (mp->flags & MEMPOOL_F_SP_PUT)
+		rg_flags |= RING_F_SP_ENQ;
+	if (mp->flags & MEMPOOL_F_SC_GET)
+		rg_flags |= RING_F_SC_DEQ;
+
+	/*
+	 * Allocate the ring that will be used to store objects.
+	 * Ring functions will return appropriate errors if we are
+	 * running as a secondary process etc., so no checks made
+	 * in this function for that condition.
+	 */
+	r = rte_ring_create(rg_name, rte_align32pow2(mp->size + 1),
+		mp->socket_id, rg_flags);
+	if (r == NULL)
+		return -rte_errno;
+
+	mp->pool_data = r;
+
+	return 0;
+}
+
+static void
+common_ring_free(struct rte_mempool *mp)
+{
+	rte_ring_free(mp->pool_data);
+}
+
+/*
+ * The following 4 declarations of mempool ops structs address
+ * the need for the backward compatible mempool handlers for
+ * single/multi producers and single/multi consumers as dictated by the
+ * flags provided to the rte_mempool_create function
+ */
+static const struct rte_mempool_ops ops_mp_mc = {
+	.name = "ring_mp_mc",
+	.alloc = common_ring_alloc,
+	.free = common_ring_free,
+	.enqueue = common_ring_mp_enqueue,
+	.dequeue = common_ring_mc_dequeue,
+	.get_count = common_ring_get_count,
+};
+
+static const struct rte_mempool_ops ops_sp_sc = {
+	.name = "ring_sp_sc",
+	.alloc = common_ring_alloc,
+	.free = common_ring_free,
+	.enqueue = common_ring_sp_enqueue,
+	.dequeue = common_ring_sc_dequeue,
+	.get_count = common_ring_get_count,
+};
+
+static const struct rte_mempool_ops ops_mp_sc = {
+	.name = "ring_mp_sc",
+	.alloc = common_ring_alloc,
+	.free = common_ring_free,
+	.enqueue = common_ring_mp_enqueue,
+	.dequeue = common_ring_sc_dequeue,
+	.get_count = common_ring_get_count,
+};
+
+static const struct rte_mempool_ops ops_sp_mc = {
+	.name = "ring_sp_mc",
+	.alloc = common_ring_alloc,
+	.free = common_ring_free,
+	.enqueue = common_ring_sp_enqueue,
+	.dequeue = common_ring_mc_dequeue,
+	.get_count = common_ring_get_count,
+};
+
+MEMPOOL_REGISTER_OPS(ops_mp_mc);
+MEMPOOL_REGISTER_OPS(ops_sp_sc);
+MEMPOOL_REGISTER_OPS(ops_mp_sc);
+MEMPOOL_REGISTER_OPS(ops_sp_mc);
diff --git a/src/spdk/dpdk/drivers/mempool/ring/rte_mempool_ring_version.map b/src/spdk/dpdk/drivers/mempool/ring/rte_mempool_ring_version.map
new file mode 100644
index 00000000..8591cc0b
--- /dev/null
+++ b/src/spdk/dpdk/drivers/mempool/ring/rte_mempool_ring_version.map
@@ -0,0 +1,4 @@
+DPDK_17.05 {
+
+	local: *;
+};