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-rw-r--r--lib/librte_bpf/bpf_impl.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/lib/librte_bpf/bpf_impl.h b/lib/librte_bpf/bpf_impl.h
new file mode 100644
index 00000000..b577e2cb
--- /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_ */