diff options
author | Yonghong Song <yhs@fb.com> | 2020-07-23 11:41:22 -0700 |
---|---|---|
committer | Alexei Starovoitov <ast@kernel.org> | 2020-07-25 20:16:34 -0700 |
commit | 3b1c420bd882115eb7a3d2335cc00d7b9974eb0b (patch) | |
tree | d89acbb828c77a88a9a4d914494e0c6020bda983 /tools/testing/selftests/bpf/progs/bpf_iter_bpf_sk_storage_map.c | |
parent | 60dd49ea65390986a665c462da704927e861e67e (diff) | |
download | linux-stable-3b1c420bd882115eb7a3d2335cc00d7b9974eb0b.tar.gz linux-stable-3b1c420bd882115eb7a3d2335cc00d7b9974eb0b.tar.bz2 linux-stable-3b1c420bd882115eb7a3d2335cc00d7b9974eb0b.zip |
selftests/bpf: Add a test for bpf sk_storage_map iterator
Added one test for bpf sk_storage_map_iterator.
$ ./test_progs -n 4
...
#4/22 bpf_sk_storage_map:OK
...
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200723184122.591591-1-yhs@fb.com
Diffstat (limited to 'tools/testing/selftests/bpf/progs/bpf_iter_bpf_sk_storage_map.c')
-rw-r--r-- | tools/testing/selftests/bpf/progs/bpf_iter_bpf_sk_storage_map.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_bpf_sk_storage_map.c b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_sk_storage_map.c new file mode 100644 index 000000000000..6b70ccaba301 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_sk_storage_map.c @@ -0,0 +1,34 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2020 Facebook */ +#include "bpf_iter.h" +#include "bpf_tracing_net.h" +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_tracing.h> + +char _license[] SEC("license") = "GPL"; + +struct { + __uint(type, BPF_MAP_TYPE_SK_STORAGE); + __uint(map_flags, BPF_F_NO_PREALLOC); + __type(key, int); + __type(value, int); +} sk_stg_map SEC(".maps"); + +__u32 val_sum = 0; +__u32 ipv6_sk_count = 0; + +SEC("iter/bpf_sk_storage_map") +int dump_bpf_sk_storage_map(struct bpf_iter__bpf_sk_storage_map *ctx) +{ + struct sock *sk = ctx->sk; + __u32 *val = ctx->value; + + if (sk == (void *)0 || val == (void *)0) + return 0; + + if (sk->sk_family == AF_INET6) + ipv6_sk_count++; + + val_sum += *val; + return 0; +} |