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| author |   Lorenz Bauer <lmb@cloudflare.com> | 2019-03-22 09:54:06 +0800 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2019-03-21 18:59:11 -0700 |
| commit | bafc0ba8261e36e36b0b1e851749fd3712a2a6f4 (patch) | |
| tree | 7121a9eaa84868932fd2b124ac432e4424d17eeb /tools/testing/selftests/bpf/bpf_helpers.h | |
| parent | selftests/bpf: test references to sock_common (diff) | |
| download | linux-dev-bafc0ba8261e36e36b0b1e851749fd3712a2a6f4.tar.xz linux-dev-bafc0ba8261e36e36b0b1e851749fd3712a2a6f4.zip | |
selftests/bpf: add tests for bpf_tcp_check_syncookie and bpf_skc_lookup_tcp
Add tests which verify that the new helpers work for both IPv4 and
IPv6, by forcing SYN cookies to always on. Use a new network namespace
to avoid clobbering the global SYN cookie settings.
Signed-off-by: Lorenz Bauer <lmb@cloudflare.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/bpf_helpers.h')
| -rw-r--r-- | tools/testing/selftests/bpf/bpf_helpers.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/bpf_helpers.h b/tools/testing/selftests/bpf/bpf_helpers.h index 41f8a4b676a4..97d140961438 100644 --- a/tools/testing/selftests/bpf/bpf_helpers.h +++ b/tools/testing/selftests/bpf/bpf_helpers.h @@ -159,6 +159,11 @@ static struct bpf_sock *(*bpf_sk_lookup_tcp)(void *ctx, int size, unsigned long long netns_id, unsigned long long flags) = (void *) BPF_FUNC_sk_lookup_tcp; +static struct bpf_sock *(*bpf_skc_lookup_tcp)(void *ctx, + struct bpf_sock_tuple *tuple, + int size, unsigned long long netns_id, + unsigned long long flags) = + (void *) BPF_FUNC_skc_lookup_tcp; static struct bpf_sock *(*bpf_sk_lookup_udp)(void *ctx, struct bpf_sock_tuple *tuple, int size, unsigned long long netns_id, @@ -184,6 +189,9 @@ static struct bpf_sock *(*bpf_get_listener_sock)(struct bpf_sock *sk) = (void *) BPF_FUNC_get_listener_sock; static int (*bpf_skb_ecn_set_ce)(void *ctx) = (void *) BPF_FUNC_skb_ecn_set_ce; +static int (*bpf_tcp_check_syncookie)(struct bpf_sock *sk, + void *ip, int ip_len, void *tcp, int tcp_len) = + (void *) BPF_FUNC_tcp_check_syncookie; /* llvm builtin functions that eBPF C program may use to * emit BPF_LD_ABS and BPF_LD_IND instructions |