lib/librte_bpf/bpf.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018 Intel Corporation
   3  */
   4
   5 #include <stdarg.h>
   6 #include <stdio.h>
   7 #include <string.h>
   8 #include <errno.h>
   9 #include <stdint.h>
  10 #include <inttypes.h>
  11
  12 #include <rte_common.h>
  13 #include <rte_eal.h>
  14
  15 #include "bpf_impl.h"
  16
  17 void
  18 rte_bpf_destroy(struct rte_bpf *bpf)
  19 {
  20         if (bpf != NULL) {
  21                 if (bpf->jit.func != NULL)
  22                         munmap(bpf->jit.func, bpf->jit.sz);
  23                 munmap(bpf, bpf->sz);
  24         }
  25 }
  26
  27 int
  28 rte_bpf_get_jit(const struct rte_bpf *bpf, struct rte_bpf_jit *jit)
  29 {
  30         if (bpf == NULL || jit == NULL)
  31                 return -EINVAL;
  32
  33         jit[0] = bpf->jit;
  34         return 0;
  35 }
  36
  37 int
  38 bpf_jit(struct rte_bpf *bpf)
  39 {
  40         int32_t rc;
  41
  42 #if defined(RTE_ARCH_X86_64)
  43         rc = bpf_jit_x86(bpf);
  44 #elif defined(RTE_ARCH_ARM64)
  45         rc = bpf_jit_arm64(bpf);
  46 #else
  47         rc = -ENOTSUP;
  48 #endif
  49
  50         if (rc != 0)
  51                 RTE_BPF_LOG(WARNING, "%s(%p) failed, error code: %d;\n",
  52                         __func__, bpf, rc);
  53         return rc;
  54 }
  55
  56 RTE_LOG_REGISTER(rte_bpf_logtype, lib.bpf, INFO);