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| author | Alexei Starovoitov <ast@fb.com> | 2017-03-30 21:45:39 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-04-01 12:45:57 -0700 |
| commit | 3084887378f5271daedd52cc3372cb8011ad39b6 (patch) | |
| tree | 718b917960b188fc93def7948d09bf9d30ff71c3 /tools/lib/bpf | |
| parent | 1cf1cae963c2e6032aebe1637e995bc2f5d330f4 (diff) | |
| download | linux-3084887378f5271daedd52cc3372cb8011ad39b6.tar.gz linux-3084887378f5271daedd52cc3372cb8011ad39b6.tar.bz2 linux-3084887378f5271daedd52cc3372cb8011ad39b6.zip | |
tools/lib/bpf: add support for BPF_PROG_TEST_RUN command
add support for BPF_PROG_TEST_RUN command to libbpf.a
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Wang Nan <wangnan0@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/lib/bpf')
| -rw-r--r-- | tools/lib/bpf/bpf.c | 24 | ||||
| -rw-r--r-- | tools/lib/bpf/bpf.h | 4 |
2 files changed, 27 insertions, 1 deletions
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index 9b58d20e8c93..f84c398c11f4 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -209,3 +209,27 @@ int bpf_prog_detach(int target_fd, enum bpf_attach_type type) return sys_bpf(BPF_PROG_DETACH, &attr, sizeof(attr)); } + +int bpf_prog_test_run(int prog_fd, int repeat, void *data, __u32 size, + void *data_out, __u32 *size_out, __u32 *retval, + __u32 *duration) +{ + union bpf_attr attr; + int ret; + + bzero(&attr, sizeof(attr)); + attr.test.prog_fd = prog_fd; + attr.test.data_in = ptr_to_u64(data); + attr.test.data_out = ptr_to_u64(data_out); + attr.test.data_size_in = size; + attr.test.repeat = repeat; + + ret = sys_bpf(BPF_PROG_TEST_RUN, &attr, sizeof(attr)); + if (size_out) + *size_out = attr.test.data_size_out; + if (retval) + *retval = attr.test.retval; + if (duration) + *duration = attr.test.duration; + return ret; +} diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h index 93f021932623..edb4daeff7a5 100644 --- a/tools/lib/bpf/bpf.h +++ b/tools/lib/bpf/bpf.h @@ -47,6 +47,8 @@ int bpf_obj_get(const char *pathname); int bpf_prog_attach(int prog_fd, int attachable_fd, enum bpf_attach_type type, unsigned int flags); int bpf_prog_detach(int attachable_fd, enum bpf_attach_type type); - +int bpf_prog_test_run(int prog_fd, int repeat, void *data, __u32 size, + void *data_out, __u32 *size_out, __u32 *retval, + __u32 *duration); #endif |