From: Lorenz Bauer <lmb@cloudflare.com>
Date: Fri, 24 Jan 2020 11:27:53 +0000
Subject: selftests: bpf: Make reuseport test output more legible
Patch-mainline: v5.6-rc1
Git-commit: 603fba9dfd0b2e2a844ece9ed98ce874c38aa98e
References: bsc#1177028
Include the name of the mismatching result in human readable format
when reporting an error. The new output looks like the following:
unexpected result
result: [1, 0, 0, 0, 0, 0]
expected: [0, 0, 0, 0, 0, 0]
mismatch on DROP_ERR_INNER_MAP (bpf_prog_linum:153)
check_results:FAIL:382
Signed-off-by: Lorenz Bauer <lmb@cloudflare.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20200124112754.19664-4-lmb@cloudflare.com
Acked-by: Gary Lin <glin@suse.com>
---
tools/testing/selftests/bpf/prog_tests/select_reuseport.c | 28 ++++++++++++--
1 file changed, 24 insertions(+), 4 deletions(-)
--- a/tools/testing/selftests/bpf/prog_tests/select_reuseport.c
+++ b/tools/testing/selftests/bpf/prog_tests/select_reuseport.c
@@ -316,6 +316,26 @@ static void check_data(int type, sa_fami
expected.len, result.len, get_linum());
}
+static const char *result_to_str(enum result res)
+{
+ switch (res) {
+ case DROP_ERR_INNER_MAP:
+ return "DROP_ERR_INNER_MAP";
+ case DROP_ERR_SKB_DATA:
+ return "DROP_ERR_SKB_DATA";
+ case DROP_ERR_SK_SELECT_REUSEPORT:
+ return "DROP_ERR_SK_SELECT_REUSEPORT";
+ case DROP_MISC:
+ return "DROP_MISC";
+ case PASS:
+ return "PASS";
+ case PASS_ERR_SK_SELECT_REUSEPORT:
+ return "PASS_ERR_SK_SELECT_REUSEPORT";
+ default:
+ return "UNKNOWN";
+ }
+}
+
static void check_results(void)
{
__u32 results[NR_RESULTS];
@@ -351,10 +371,10 @@ static void check_results(void)
printf(", %u", expected_results[i]);
printf("]\n");
- RET_IF(expected_results[broken] != results[broken],
- "unexpected result",
- "expected_results[%u] != results[%u] bpf_prog_linum:%ld\n",
- broken, broken, get_linum());
+ printf("mismatch on %s (bpf_prog_linum:%ld)\n", result_to_str(broken),
+ get_linum());
+
+ CHECK_FAIL(true);
}
static int send_data(int type, sa_family_t family, void *data, size_t len,