From: Stanislav Fomichev <sdf@google.com>
To: netdev@vger.kernel.org, bpf@vger.kernel.org
Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
Stanislav Fomichev <sdf@google.com>
Subject: [PATCH bpf-next v3 2/2] selftests/bpf: verify bpf_get_netns_cookie in BPF_PROG_TYPE_CGROUP_SOCKOPT
Date: Fri, 13 Aug 2021 16:05:30 -0700 [thread overview]
Message-ID: <20210813230530.333779-3-sdf@google.com> (raw)
In-Reply-To: <20210813230530.333779-1-sdf@google.com>
Add extra calls to sockopt_sk.c.
Signed-off-by: Stanislav Fomichev <sdf@google.com>
---
tools/testing/selftests/bpf/progs/sockopt_sk.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/tools/testing/selftests/bpf/progs/sockopt_sk.c b/tools/testing/selftests/bpf/progs/sockopt_sk.c
index 8acdb99b5959..79c8139b63b8 100644
--- a/tools/testing/selftests/bpf/progs/sockopt_sk.c
+++ b/tools/testing/selftests/bpf/progs/sockopt_sk.c
@@ -33,6 +33,14 @@ int _getsockopt(struct bpf_sockopt *ctx)
__u8 *optval = ctx->optval;
struct sockopt_sk *storage;
+ /* Make sure bpf_get_netns_cookie is callable.
+ */
+ if (bpf_get_netns_cookie(NULL) == 0)
+ return 0;
+
+ if (bpf_get_netns_cookie(ctx) == 0)
+ return 0;
+
if (ctx->level == SOL_IP && ctx->optname == IP_TOS) {
/* Not interested in SOL_IP:IP_TOS;
* let next BPF program in the cgroup chain or kernel
@@ -123,6 +131,14 @@ int _setsockopt(struct bpf_sockopt *ctx)
__u8 *optval = ctx->optval;
struct sockopt_sk *storage;
+ /* Make sure bpf_get_netns_cookie is callable.
+ */
+ if (bpf_get_netns_cookie(NULL) == 0)
+ return 0;
+
+ if (bpf_get_netns_cookie(ctx) == 0)
+ return 0;
+
if (ctx->level == SOL_IP && ctx->optname == IP_TOS) {
/* Not interested in SOL_IP:IP_TOS;
* let next BPF program in the cgroup chain or kernel
--
2.33.0.rc1.237.g0d66db33f3-goog
next prev parent reply other threads:[~2021-08-13 23:05 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-13 23:05 [PATCH bpf-next v3 0/2] bpf: Allow bpf_get_netns_cookie in BPF_PROG_TYPE_CGROUP_SOCKOPT Stanislav Fomichev
2021-08-13 23:05 ` [PATCH bpf-next v3 1/2] " Stanislav Fomichev
2021-08-13 23:05 ` Stanislav Fomichev [this message]
2021-08-13 23:27 ` [PATCH bpf-next v3 0/2] " Martin KaFai Lau
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