From 8b52a31ed2c299b759f330c4f976b9c70f5765f4 Mon Sep 17 00:00:00 2001
From: Hanoh Haim <hhaim@cisco.com>
Date: Wed, 24 Jun 2015 14:03:29 +0300
Subject: first version

---
 src/dpdk_lib18/librte_eal/bsdapp/eal/eal_lcore.c | 107 +++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100755 src/dpdk_lib18/librte_eal/bsdapp/eal/eal_lcore.c

(limited to 'src/dpdk_lib18/librte_eal/bsdapp/eal/eal_lcore.c')

diff --git a/src/dpdk_lib18/librte_eal/bsdapp/eal/eal_lcore.c b/src/dpdk_lib18/librte_eal/bsdapp/eal/eal_lcore.c
new file mode 100755
index 00000000..662f0245
--- /dev/null
+++ b/src/dpdk_lib18/librte_eal/bsdapp/eal/eal_lcore.c
@@ -0,0 +1,107 @@
+/*-
+ *   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 <unistd.h>
+#include <sys/sysctl.h>
+
+#include <rte_log.h>
+#include <rte_eal.h>
+#include <rte_lcore.h>
+#include <rte_common.h>
+#include <rte_debug.h>
+
+#include "eal_private.h"
+
+/* No topology information available on FreeBSD including NUMA info */
+#define cpu_core_id(X) 0
+#define cpu_socket_id(X) 0
+
+static int
+get_ncpus(void)
+{
+	int mib[2] = {CTL_HW, HW_NCPU};
+	int ncpu;
+	size_t len = sizeof(ncpu);
+
+	sysctl(mib, 2, &ncpu, &len, NULL, 0);
+	RTE_LOG(INFO, EAL, "Sysctl reports %d cpus\n", ncpu);
+	return ncpu;
+}
+
+/*
+ * fill the cpu_info structure with as much info as we can get.
+ * code is similar to linux version, but sadly available info is less.
+ */
+int
+rte_eal_cpu_init(void)
+{
+	/* pointer to global configuration */
+	struct rte_config *config = rte_eal_get_configuration();
+	unsigned lcore_id;
+	unsigned count = 0;
+
+	const unsigned ncpus = get_ncpus();
+	/*
+	 * Parse the maximum set of logical cores, detect the subset of running
+	 * ones and enable them by default.
+	 */
+	for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
+		lcore_config[lcore_id].detected = (lcore_id < ncpus);
+		if (lcore_config[lcore_id].detected == 0) {
+			config->lcore_role[lcore_id] = ROLE_OFF;
+			continue;
+		}
+		/* By default, each detected core is enabled */
+		config->lcore_role[lcore_id] = ROLE_RTE;
+		lcore_config[lcore_id].core_id = cpu_core_id(lcore_id);
+		lcore_config[lcore_id].socket_id = cpu_socket_id(lcore_id);
+		if (lcore_config[lcore_id].socket_id >= RTE_MAX_NUMA_NODES)
+#ifdef RTE_EAL_ALLOW_INV_SOCKET_ID
+			lcore_config[lcore_id].socket_id = 0;
+#else
+			rte_panic("Socket ID (%u) is greater than "
+				"RTE_MAX_NUMA_NODES (%d)\n",
+				lcore_config[lcore_id].socket_id, RTE_MAX_NUMA_NODES);
+#endif
+		RTE_LOG(DEBUG, EAL, "Detected lcore %u\n",
+				lcore_id);
+		count++;
+	}
+	/* Set the count of enabled logical cores of the EAL configuration */
+	config->lcore_count = count;
+	RTE_LOG(DEBUG, EAL, "Support maximum %u logical core(s) by configuration.\n",
+		RTE_MAX_LCORE);
+	RTE_LOG(DEBUG, EAL, "Detected %u lcore(s)\n", config->lcore_count);
+
+	return 0;
+}
-- 
cgit 1.2.3-korg