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dpdk/lib/stack/rte_stack_std.c

@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2019 Intel Corporation
+ */
+
+#include "rte_stack.h"
+
+void
+rte_stack_std_init(struct rte_stack *s)
+{
+	rte_spinlock_init(&s->stack_std.lock);
+}
+
+ssize_t
+rte_stack_std_get_memsize(unsigned int count)
+{
+	ssize_t sz = sizeof(struct rte_stack);
+
+	sz += RTE_CACHE_LINE_ROUNDUP(count * sizeof(void *));
+
+	/* Add padding to avoid false sharing conflicts caused by
+	 * next-line hardware prefetchers.
+	 */
+	sz += 2 * RTE_CACHE_LINE_SIZE;
+
+	return sz;
+}