New upstream version 18.05

[deb_dpdk.git] / lib / librte_bpf / bpf.c

diff --git a/lib/librte_bpf/bpf.c b/lib/librte_bpf/bpf.c
new file mode 100644 (file)
index 0000000..dc6d109
--- /dev/null
+++ b/lib/librte_bpf/bpf.c
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Intel Corporation
+ */
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <stdint.h>
+#include <inttypes.h>
+
+#include <rte_common.h>
+#include <rte_eal.h>
+
+#include "bpf_impl.h"
+
+int rte_bpf_logtype;
+
+__rte_experimental void
+rte_bpf_destroy(struct rte_bpf *bpf)
+{
+       if (bpf != NULL) {
+               if (bpf->jit.func != NULL)
+                       munmap(bpf->jit.func, bpf->jit.sz);
+               munmap(bpf, bpf->sz);
+       }
+}
+
+__rte_experimental int
+rte_bpf_get_jit(const struct rte_bpf *bpf, struct rte_bpf_jit *jit)
+{
+       if (bpf == NULL || jit == NULL)
+               return -EINVAL;
+
+       jit[0] = bpf->jit;
+       return 0;
+}
+
+int
+bpf_jit(struct rte_bpf *bpf)
+{
+       int32_t rc;
+
+#ifdef RTE_ARCH_X86_64
+       rc = bpf_jit_x86(bpf);
+#else
+       rc = -ENOTSUP;
+#endif
+
+       if (rc != 0)
+               RTE_BPF_LOG(WARNING, "%s(%p) failed, error code: %d;\n",
+                       __func__, bpf, rc);
+       return rc;
+}
+
+RTE_INIT(rte_bpf_init_log);
+
+static void
+rte_bpf_init_log(void)
+{
+       rte_bpf_logtype = rte_log_register("lib.bpf");
+       if (rte_bpf_logtype >= 0)
+               rte_log_set_level(rte_bpf_logtype, RTE_LOG_INFO);
+}