Function rte_bpf_elf_load

dpdk/lib/bpf/bpf_load_elf.c:297–333

}

struct rte_bpf *
rte_bpf_elf_load(const struct rte_bpf_prm *prm, const char *fname,
	const char *sname)
{
	int32_t fd, rc;
	struct rte_bpf *bpf;

	if (prm == NULL || fname == NULL || sname == NULL) {
		rte_errno = EINVAL;
		return NULL;
	}

	fd = open(fname, O_RDONLY);
	if (fd < 0) {
		rc = errno;
		RTE_BPF_LOG(ERR, "%s(%s) error code: %d(%s)\n",
			__func__, fname, rc, strerror(rc));
		rte_errno = EINVAL;
		return NULL;
	}

	bpf = bpf_load_elf(prm, fd, sname);
	close(fd);

	if (bpf == NULL) {
		RTE_BPF_LOG(ERR,
			"%s(fname=\"%s\", sname=\"%s\") failed, "
			"error code: %d\n",
			__func__, fname, sname, rte_errno);
		return NULL;
	}

	RTE_BPF_LOG(INFO, "%s(fname=\"%s\", sname=\"%s\") "
		"successfully creates %p(jit={.func=%p,.sz=%zu});\n",
		__func__, fname, sname, bpf, bpf->jit.func, bpf->jit.sz);
	return bpf;
}