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authorChristian Ehrhardt <christian.ehrhardt@canonical.com>2018-06-01 09:09:08 +0200
committerChristian Ehrhardt <christian.ehrhardt@canonical.com>2018-06-01 09:12:07 +0200
commit1bd9b61222f3a81ffe770fc00b70ded6e760c42b (patch)
tree0bf7d996cf0664796687c1be6d22958fcf6a8096 /lib/librte_bpf/bpf.c
parentbb4e158029645f37809fcf81a3acddd6fa11f88a (diff)
New upstream version 18.05
Change-Id: Icd4170ddc4f63aeae5d0559490e5195b5349f9c2 Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'lib/librte_bpf/bpf.c')
-rw-r--r--lib/librte_bpf/bpf.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/lib/librte_bpf/bpf.c b/lib/librte_bpf/bpf.c
new file mode 100644
index 00000000..dc6d1099
--- /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);
+}