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authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>2015-12-13 09:41:59 +0200
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>2015-12-13 09:41:59 +0200
commit9b18d42dda985c99db4adde45bbdf7cd79a7525c (patch)
tree78481b44090a9ee19780091ade05a320cbc6a7bb /tools/perf/util/bpf-loader.h
parent39bdb17ebb5bd7a5c8a231d7cac4a4d5ccc58149 (diff)
parent1b894521e60c1b91db1e8ba1278660e5c89f1b5f (diff)
Merge tag 'mac80211-next-for-davem-2015-12-07' into next
This pull request got a bit bigger than I wanted, due to needing to reshuffle and fix some bugs. I merged mac80211 to get the right base for some of these changes. * new mac80211 API for upcoming driver changes: EOSP handling, key iteration * scan abort changes allowing to cancel an ongoing scan * VHT IBSS 80+80 MHz support * re-enable full AP client state tracking after fixes * various small fixes (that weren't relevant for mac80211) * various cleanups
Diffstat (limited to 'tools/perf/util/bpf-loader.h')
-rw-r--r--tools/perf/util/bpf-loader.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/tools/perf/util/bpf-loader.h b/tools/perf/util/bpf-loader.h
index ccd8d7fd79d34..9caf3ae4acf3d 100644
--- a/tools/perf/util/bpf-loader.h
+++ b/tools/perf/util/bpf-loader.h
@@ -8,9 +8,21 @@
#include <linux/compiler.h>
#include <linux/err.h>
#include <string.h>
+#include <bpf/libbpf.h>
#include "probe-event.h"
#include "debug.h"
+enum bpf_loader_errno {
+ __BPF_LOADER_ERRNO__START = __LIBBPF_ERRNO__START - 100,
+ /* Invalid config string */
+ BPF_LOADER_ERRNO__CONFIG = __BPF_LOADER_ERRNO__START,
+ BPF_LOADER_ERRNO__GROUP, /* Invalid group name */
+ BPF_LOADER_ERRNO__EVENTNAME, /* Event name is missing */
+ BPF_LOADER_ERRNO__INTERNAL, /* BPF loader internal error */
+ BPF_LOADER_ERRNO__COMPILE, /* Error when compiling BPF scriptlet */
+ __BPF_LOADER_ERRNO__END,
+};
+
struct bpf_object;
#define PERF_BPF_PROBE_GROUP "perf_bpf_probe"
@@ -19,6 +31,11 @@ typedef int (*bpf_prog_iter_callback_t)(struct probe_trace_event *tev,
#ifdef HAVE_LIBBPF_SUPPORT
struct bpf_object *bpf__prepare_load(const char *filename, bool source);
+int bpf__strerror_prepare_load(const char *filename, bool source,
+ int err, char *buf, size_t size);
+
+struct bpf_object *bpf__prepare_load_buffer(void *obj_buf, size_t obj_buf_sz,
+ const char *name);
void bpf__clear(void);
@@ -41,6 +58,13 @@ bpf__prepare_load(const char *filename __maybe_unused,
return ERR_PTR(-ENOTSUP);
}
+static inline struct bpf_object *
+bpf__prepare_load_buffer(void *obj_buf __maybe_unused,
+ size_t obj_buf_sz __maybe_unused)
+{
+ return ERR_PTR(-ENOTSUP);
+}
+
static inline void bpf__clear(void) { }
static inline int bpf__probe(struct bpf_object *obj __maybe_unused) { return 0;}
@@ -67,6 +91,15 @@ __bpf_strerror(char *buf, size_t size)
return 0;
}
+static inline
+int bpf__strerror_prepare_load(const char *filename __maybe_unused,
+ bool source __maybe_unused,
+ int err __maybe_unused,
+ char *buf, size_t size)
+{
+ return __bpf_strerror(buf, size);
+}
+
static inline int
bpf__strerror_probe(struct bpf_object *obj __maybe_unused,
int err __maybe_unused,