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| author | Wang Nan | 2015-07-01 04:14:06 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo | 2015-08-07 15:16:58 +0200 |
| commit | 7bf98369a73a9a84c56b3f2b247ea8f0eaf8668b (patch) | |
| tree | e230f8c6c9757148d4e5a73b28a19c29561705db /tools/lib/bpf/bpf.h | |
| parent | bpf tools: Relocate eBPF programs (diff) | |
| download | kernel-qcow2-linux-7bf98369a73a9a84c56b3f2b247ea8f0eaf8668b.tar.gz kernel-qcow2-linux-7bf98369a73a9a84c56b3f2b247ea8f0eaf8668b.tar.xz kernel-qcow2-linux-7bf98369a73a9a84c56b3f2b247ea8f0eaf8668b.zip | |
bpf tools: Introduce bpf_load_program() to bpf.c
bpf_load_program() can be used to load bpf program into kernel. To make
loading faster, first try to load without logbuf. Try again with logbuf
if the first try failed.
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Acked-by: Alexei Starovoitov <ast@plumgrid.com>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: David Ahern <dsahern@gmail.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kaixu Xia <xiakaixu@huawei.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com
Link: http://lkml.kernel.org/r/1435716878-189507-19-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib/bpf/bpf.h')
| -rw-r--r-- | tools/lib/bpf/bpf.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h index 28f79426834d..854b7361b784 100644 --- a/tools/lib/bpf/bpf.h +++ b/tools/lib/bpf/bpf.h @@ -13,4 +13,11 @@ int bpf_create_map(enum bpf_map_type map_type, int key_size, int value_size, int max_entries); +/* Recommend log buffer size */ +#define BPF_LOG_BUF_SIZE 65536 +int bpf_load_program(enum bpf_prog_type type, struct bpf_insn *insns, + size_t insns_cnt, char *license, + u32 kern_version, char *log_buf, + size_t log_buf_sz); + #endif |