numam-dpdk/lib/librte_bpf/bpf_impl.h
Jerin Jacob 6861c01001 bpf/arm: add build infrastructure
Add build infrastructure and documentation
update for arm64 JIT support.

Signed-off-by: Jerin Jacob <jerinj@marvell.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
2019-10-12 14:20:21 +02:00

55 lines
981 B
C

/* 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);
extern int bpf_jit_x86(struct rte_bpf *);
extern int bpf_jit_arm64(struct rte_bpf *);
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_ */