1 files changed, 146 insertions, 0 deletions
diff --git a/src/dpdk_lib18/librte_eal/common/eal_common_tailqs.c b/src/dpdk_lib18/librte_eal/common/eal_common_tailqs.c
new file mode 100755
index 00000000..db9a1850
--- /dev/null
+++ b/src/dpdk_lib18/librte_eal/common/eal_common_tailqs.c
@@ -0,0 +1,146 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   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 <sys/queue.h>
+#include <stdint.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include <inttypes.h>
+
+#include <rte_memory.h>
+#include <rte_memzone.h>
+#include <rte_launch.h>
+#include <rte_tailq.h>
+#include <rte_eal.h>
+#include <rte_eal_memconfig.h>
+#include <rte_per_lcore.h>
+#include <rte_lcore.h>
+#include <rte_memory.h>
+#include <rte_atomic.h>
+#include <rte_branch_prediction.h>
+#include <rte_log.h>
+#include <rte_string_fns.h>
+
+#include "eal_private.h"
+
+/**
+ * Name of tailq_head
+ */
+const char* rte_tailq_names[RTE_MAX_TAILQ] = {
+#define rte_tailq_elem(idx, name)     name,
+#include <rte_tailq_elem.h>
+};
+
+struct rte_tailq_head *
+rte_eal_tailq_lookup(const char *name)
+{
+	unsigned i;
+	struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
+
+	if (name == NULL)
+		return NULL;
+
+	for (i = 0; i < RTE_MAX_TAILQ; i++) {
+		if (rte_tailq_names[i] == NULL)
+			continue;
+		if (!strncmp(name, rte_tailq_names[i], RTE_TAILQ_NAMESIZE-1))
+			return &mcfg->tailq_head[i];
+	}
+
+	return NULL;
+}
+
+inline struct rte_tailq_head *
+rte_eal_tailq_lookup_by_idx(const unsigned tailq_idx)
+{
+	struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
+
+	if (tailq_idx >= RTE_MAX_TAILQ) {
+		RTE_LOG(ERR, EAL, "%s(): No more room in config\n", __func__);
+		return NULL;
+	}
+
+	return &mcfg->tailq_head[tailq_idx];
+}
+
+struct rte_tailq_head *
+rte_eal_tailq_reserve(const char *name)
+{
+	return rte_eal_tailq_lookup(name);
+}
+
+inline struct rte_tailq_head *
+rte_eal_tailq_reserve_by_idx(const unsigned tailq_idx)
+{
+	return rte_eal_tailq_lookup_by_idx(tailq_idx);
+}
+
+void
+rte_dump_tailq(FILE *f)
+{
+	struct rte_mem_config *mcfg;
+	unsigned i = 0;
+
+	mcfg = rte_eal_get_configuration()->mem_config;
+
+	rte_rwlock_read_lock(&mcfg->qlock);
+	for (i=0; i < RTE_MAX_TAILQ; i++) {
+		const struct rte_tailq_head *tailq = &mcfg->tailq_head[i];
+		const struct rte_tailq_entry_head *head = &tailq->tailq_head;
+
+		fprintf(f, "Tailq %u: qname:<%s>, tqh_first:%p, tqh_last:%p\n", i,
+		       (rte_tailq_names[i] != NULL ? rte_tailq_names[i]:"nil"),
+		       head->tqh_first, head->tqh_last);
+	}
+	rte_rwlock_read_unlock(&mcfg->qlock);
+}
+
+int
+rte_eal_tailqs_init(void)
+{
+	unsigned i;
+	struct rte_mem_config *mcfg = NULL;
+
+	RTE_BUILD_BUG_ON(RTE_MAX_TAILQ < RTE_TAILQ_NUM);
+
+	if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+		mcfg = rte_eal_get_configuration()->mem_config;
+		for (i = 0; i < RTE_MAX_TAILQ; i++)
+			TAILQ_INIT(&mcfg->tailq_head[i].tailq_head);
+	}
+
+	return 0;
+}
+