From 4f90d034bba9bdcb06a3cb53c43012351c1b39ff Mon Sep 17 00:00:00 2001 From: Geliang Tang Date: Thu, 19 May 2022 16:30:16 -0700 Subject: selftests/bpf: Verify first of struct mptcp_sock This patch verifies the 'first' struct member of struct mptcp_sock, which points to the first subflow of msk. Save 'sk' in mptcp_storage, and verify it with 'first' in verify_msk(). v5: - Use ASSERT_EQ() instead of a manual comparison + log (Andrii). Signed-off-by: Geliang Tang Signed-off-by: Mat Martineau Signed-off-by: Andrii Nakryiko Acked-by: Matthieu Baerts Link: https://lore.kernel.org/bpf/20220519233016.105670-8-mathew.j.martineau@linux.intel.com --- tools/testing/selftests/bpf/prog_tests/mptcp.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'tools/testing/selftests/bpf/prog_tests/mptcp.c') diff --git a/tools/testing/selftests/bpf/prog_tests/mptcp.c b/tools/testing/selftests/bpf/prog_tests/mptcp.c index 33cafc619913..59f08d6d1d53 100644 --- a/tools/testing/selftests/bpf/prog_tests/mptcp.c +++ b/tools/testing/selftests/bpf/prog_tests/mptcp.c @@ -14,7 +14,9 @@ struct mptcp_storage { __u32 invoked; __u32 is_mptcp; + struct sock *sk; __u32 token; + struct sock *first; char ca_name[TCP_CA_NAME_MAX]; }; @@ -80,6 +82,9 @@ static int verify_msk(int map_fd, int client_fd, __u32 token) if (!ASSERT_EQ(val.token, token, "unexpected token")) err++; + if (!ASSERT_EQ(val.first, val.sk, "unexpected first")) + err++; + if (!ASSERT_STRNEQ(val.ca_name, ca_name, TCP_CA_NAME_MAX, "unexpected ca_name")) err++; -- cgit v1.2.3