New upstream version 18.08

[deb_dpdk.git] / lib / librte_bpf / bpf_impl.h

diff --git a/lib/librte_bpf/bpf_impl.h b/lib/librte_bpf/bpf_impl.h
new file mode 100644 (file)
index 0000000..b577e2c
--- /dev/null
+++ b/lib/librte_bpf/bpf_impl.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Intel Corporation
+ */
+
+#ifndef _BPF_H_
+#define _BPF_H_
+
+#include <rte_bpf.h>
+#include <sys/mman.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define MAX_BPF_STACK_SIZE     0x200
+
+struct rte_bpf {
+       struct rte_bpf_prm prm;
+       struct rte_bpf_jit jit;
+       size_t sz;
+       uint32_t stack_sz;
+};
+
+extern int bpf_validate(struct rte_bpf *bpf);
+
+extern int bpf_jit(struct rte_bpf *bpf);
+
+#ifdef RTE_ARCH_X86_64
+extern int bpf_jit_x86(struct rte_bpf *);
+#endif
+
+extern int rte_bpf_logtype;
+
+#define        RTE_BPF_LOG(lvl, fmt, args...) \
+       rte_log(RTE_LOG_## lvl, rte_bpf_logtype, fmt, ##args)
+
+static inline size_t
+bpf_size(uint32_t bpf_op_sz)
+{
+       if (bpf_op_sz == BPF_B)
+               return sizeof(uint8_t);
+       else if (bpf_op_sz == BPF_H)
+               return sizeof(uint16_t);
+       else if (bpf_op_sz == BPF_W)
+               return sizeof(uint32_t);
+       else if (bpf_op_sz == EBPF_DW)
+               return sizeof(uint64_t);
+       return 0;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _BPF_H_ */