New upstream version 18.05

[deb_dpdk.git] / test / bpf / t2.c

diff --git a/test/bpf/t2.c b/test/bpf/t2.c
new file mode 100644 (file)
index 0000000..69d7a4f
--- /dev/null
+++ b/test/bpf/t2.c
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Intel Corporation
+ */
+
+/*
+ * eBPF program sample.
+ * Accepts pointer to struct rte_mbuf as an input parameter.
+ * cleanup mbuf's vlan_tci and all related RX flags
+ * (PKT_RX_VLAN_PKT | PKT_RX_VLAN_STRIPPED).
+ * Doesn't touch contents of packet data.
+ * To compile:
+ * clang -O2 -I${RTE_SDK}/${RTE_TARGET}/include \
+ * -target bpf -Wno-int-to-void-pointer-cast -c t2.c
+ */
+
+#include <stdint.h>
+#include <stddef.h>
+#include <rte_config.h>
+#include "mbuf.h"
+
+uint64_t
+entry(void *pkt)
+{
+       struct rte_mbuf *mb;
+
+       mb = pkt;
+       mb->vlan_tci = 0;
+       mb->ol_flags &= ~(PKT_RX_VLAN_PKT | PKT_RX_VLAN_STRIPPED);
+
+       return 1;
+}