1 files changed, 86 insertions, 0 deletions
diff --git a/src/util-dpdk.c b/src/util-dpdk.c
new file mode 100644
index 0000000..13329a8
--- /dev/null
+++ b/src/util-dpdk.c
@@ -0,0 +1,86 @@
+/* Copyright (C) 2021 Open Information Security Foundation
+ *
+ * You can copy, redistribute or modify this Program under the terms of
+ * the GNU General Public License version 2 as published by the Free
+ * Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+/**
+ * \file
+ *
+ * \author Lukas Sismis <lukas.sismis@gmail.com>
+ */
+
+#include "suricata.h"
+#include "util-dpdk.h"
+#include "util-debug.h"
+#include "util-byte.h"
+
+void DPDKCleanupEAL(void)
+{
+#ifdef HAVE_DPDK
+    if (run_mode == RUNMODE_DPDK) {
+        int retval = rte_eal_cleanup();
+        if (retval != 0)
+            SCLogError("EAL cleanup failed: %s", strerror(-retval));
+    }
+#endif
+}
+
+void DPDKCloseDevice(LiveDevice *ldev)
+{
+    (void)ldev; // avoid warnings of unused variable
+#ifdef HAVE_DPDK
+    if (run_mode == RUNMODE_DPDK) {
+        uint16_t port_id;
+        int retval = rte_eth_dev_get_port_by_name(ldev->dev, &port_id);
+        if (retval < 0) {
+            SCLogError("%s: failed get port id, error: %s", ldev->dev, rte_strerror(-retval));
+            return;
+        }
+
+        SCLogPerf("%s: closing device", ldev->dev);
+        rte_eth_dev_close(port_id);
+    }
+#endif
+}
+
+void DPDKFreeDevice(LiveDevice *ldev)
+{
+    (void)ldev; // avoid warnings of unused variable
+#ifdef HAVE_DPDK
+    if (run_mode == RUNMODE_DPDK) {
+        SCLogDebug("%s: releasing packet mempool", ldev->dev);
+        rte_mempool_free(ldev->dpdk_vars.pkt_mp);
+    }
+#endif
+}
+
+#ifdef HAVE_DPDK
+/**
+ * Retrieves name of the port from port id
+ * Not thread-safe
+ * @param pid
+ * @return static dev_name on success
+ */
+const char *DPDKGetPortNameByPortID(uint16_t pid)
+{
+    static char dev_name[RTE_ETH_NAME_MAX_LEN];
+    int32_t ret = rte_eth_dev_get_name_by_port(pid, dev_name);
+    if (ret < 0) {
+        FatalError("Port %d: Failed to obtain port name (err: %s)", pid, rte_strerror(-ret));
+    }
+    return dev_name;
+}
+
+#endif /* HAVE_DPDK */