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selftests/bpf: Verify bpf_get_netns_cookie in BPF_PROG_TYPE_CGROUP_SOCKOPT

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Add extra calls to sockopt_sk.c.

Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20210813230530.333779-3-sdf@google.com
This commit is contained in:
Stanislav Fomichev 2021-08-13 16:05:30 -07:00 committed by Andrii Nakryiko
parent f1248dee95
commit 6a3a3dcc3f
1 changed files with 16 additions and 0 deletions
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16
tools/testing/selftests/bpf/progs/sockopt_sk.c
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@ -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