lib/bpf/bpf.c

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