This case invokes bpf_setsockopt and bpf_getsockopt to set ulp.
The existing smc_ulp_ops of the kernel is used as a test case to test
whether the setting and get operations can be performed normally.
Signed-off-by: zhangmingyi <zhangmingyi5@xxxxxxxxxx>
---
.../selftests/bpf/progs/setget_sockopt.c | 21 ++++++++++++++++---
1 file changed, 18 insertions(+), 3 deletions(-)
diff --git a/tools/testing/selftests/bpf/progs/setget_sockopt.c b/tools/testing/selftests/bpf/progs/setget_sockopt.c
index 6dd4318debbf..dcdf26ef41c4 100644
--- a/tools/testing/selftests/bpf/progs/setget_sockopt.c
+++ b/tools/testing/selftests/bpf/progs/setget_sockopt.c
@@ -327,6 +327,18 @@ static int test_tcp_maxseg(void *ctx, struct sock *sk)
return 0;
}
+static int test_tcp_ulp(void *ctx, struct sock *sk)
+{
+ __u8 saved_syn[20];
+
+ if (sk->sk_state == TCP_SYN_SENT)
+ return bpf_setsockopt(ctx, IPPROTO_TCP, TCP_ULP,
+ "smc", sizeof("smc"));
+
+ return bpf_getsockopt(ctx, IPPROTO_TCP, TCP_ULP,
+ saved_syn, sizeof(saved_syn));
+}
+
static int test_tcp_saved_syn(void *ctx, struct sock *sk)
{
__u8 saved_syn[20];
@@ -395,16 +407,19 @@ int skops_sockopt(struct bpf_sock_ops *skops)
break;
case BPF_SOCK_OPS_TCP_CONNECT_CB:
nr_connect += !(bpf_test_sockopt(skops, sk) ||
- test_tcp_maxseg(skops, sk));
+ test_tcp_maxseg(skops, sk) ||
+ test_tcp_ulp(skops, sk));
break;
case BPF_SOCK_OPS_ACTIVE_ESTABLISHED_CB:
nr_active += !(bpf_test_sockopt(skops, sk) ||
- test_tcp_maxseg(skops, sk));
+ test_tcp_maxseg(skops, sk) ||
+ test_tcp_ulp(skops, sk));
break;
case BPF_SOCK_OPS_PASSIVE_ESTABLISHED_CB:
nr_passive += !(bpf_test_sockopt(skops, sk) ||
test_tcp_maxseg(skops, sk) ||
- test_tcp_saved_syn(skops, sk));
+ test_tcp_saved_syn(skops, sk) ||
+ test_tcp_ulp(skops, sk));
flags = skops->bpf_sock_ops_cb_flags | BPF_SOCK_OPS_STATE_CB_FLAG;
bpf_setsockopt(skops, SOL_TCP, TCP_BPF_SOCK_OPS_CB_FLAGS, &flags, sizeof(flags));
break;
--
2.43.0
