diff options
| author | John Fastabend <john.fastabend@gmail.com> | 2017-08-15 22:34:22 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-08-16 11:27:53 -0700 |
| commit | 6f6d33f3b3d0f53799d120d28abd13ad90041549 (patch) | |
| tree | dbd263882c3bc49c8bc1d7a08b7d0eadd0f4ddb3 /tools/lib | |
| parent | 41bc94f535ef454e325a6d4db085ec345376de6c (diff) | |
| download | linux-6f6d33f3b3d0f53799d120d28abd13ad90041549.tar.bz2 | |
bpf: selftests add sockmap tests
This generates a set of sockets, attaches BPF programs, and sends some
simple traffic using basic send/recv pattern. Additionally, we do a bunch
of negative tests to ensure adding/removing socks out of the sockmap fail
correctly.
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/lib')
| -rw-r--r-- | tools/lib/bpf/libbpf.c | 29 | ||||
| -rw-r--r-- | tools/lib/bpf/libbpf.h | 2 |
2 files changed, 31 insertions, 0 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 1a2c07eb7795..1cc3ea0ffdc3 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -1744,3 +1744,32 @@ long libbpf_get_error(const void *ptr) return PTR_ERR(ptr); return 0; } + +int bpf_prog_load(const char *file, enum bpf_prog_type type, + struct bpf_object **pobj, int *prog_fd) +{ + struct bpf_program *prog; + struct bpf_object *obj; + int err; + + obj = bpf_object__open(file); + if (IS_ERR(obj)) + return -ENOENT; + + prog = bpf_program__next(NULL, obj); + if (!prog) { + bpf_object__close(obj); + return -ENOENT; + } + + bpf_program__set_type(prog, type); + err = bpf_object__load(obj); + if (err) { + bpf_object__close(obj); + return -EINVAL; + } + + *pobj = obj; + *prog_fd = bpf_program__fd(prog); + return 0; +} diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h index 32c7252f734e..7959086eb9c9 100644 --- a/tools/lib/bpf/libbpf.h +++ b/tools/lib/bpf/libbpf.h @@ -243,4 +243,6 @@ int bpf_map__pin(struct bpf_map *map, const char *path); long libbpf_get_error(const void *ptr); +int bpf_prog_load(const char *file, enum bpf_prog_type type, + struct bpf_object **pobj, int *prog_fd); #endif |