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bpf: Selftests, add blacklist to test_sockmap

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This adds a blacklist to test_sockmap. For example, now we can run
all apply and cork tests except those with timeouts by doing,

 $ ./test_sockmap --whitelist "apply,cork" --blacklist "hang"

Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com>
Link: https://lore.kernel.org/bpf/158939734350.15176.6643981099665208826.stgit@john-Precision-5820-Tower
This commit is contained in:
John Fastabend 2020-05-13 12:15:43 -07:00 committed by Daniel Borkmann
parent 065a74cbd0
commit a7238f7c79
1 changed files with 31 additions and 2 deletions
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33
tools/testing/selftests/bpf/test_sockmap.c
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@ -108,6 +108,7 @@ static const struct option long_options[] = {
{"ktls", no_argument, &ktls, 1 },
{"peek", no_argument, &peek_flag, 1 },
{"whitelist", required_argument, NULL, 'n' },
{"blacklist", required_argument, NULL, 'b' },
{0, 0, NULL, 0 }
};
@ -389,6 +390,7 @@ struct sockmap_options {
int rate;
char *map;
char *whitelist;
char *blacklist;
};
static int msg_loop_sendpage(int fd, int iov_length, int cnt,
@ -1641,6 +1643,24 @@ static int check_whitelist(struct _test *t, struct sockmap_options *opt)
return -EINVAL;
}
static int check_blacklist(struct _test *t, struct sockmap_options *opt)
{
char *entry, *ptr;
if (!opt->blacklist)
return -EINVAL;
ptr = strdup(opt->blacklist);
if (!ptr)
return -ENOMEM;
entry = strtok(ptr, ",");
while (entry) {
if (strstr(opt->map, entry) != 0 || strstr(t->title, entry) != 0)
return 0;
entry = strtok(NULL, ",");
}
return -EINVAL;
}
static int __test_selftests(int cg_fd, struct sockmap_options *opt)
{
int i, err;
@ -1655,7 +1675,9 @@ static int __test_selftests(int cg_fd, struct sockmap_options *opt)
for (i = 0; i < sizeof(test)/sizeof(struct _test); i++) {
struct _test t = test[i];
if (check_whitelist(&t, opt) < 0)
if (check_whitelist(&t, opt) != 0)
continue;
if (check_blacklist(&t, opt) == 0)
continue;
test_start_subtest(t.title, opt->map);
@ -1696,7 +1718,7 @@ int main(int argc, char **argv)
int test = SELFTESTS;
bool cg_created = 0;
while ((opt = getopt_long(argc, argv, ":dhv:c:r:i:l:t:p:q:n:",
while ((opt = getopt_long(argc, argv, ":dhv:c:r:i:l:t:p:q:n:b:",
long_options, &longindex)) != -1) {
switch (opt) {
case 's':
@ -1769,6 +1791,11 @@ int main(int argc, char **argv)
options.whitelist = strdup(optarg);
if (!options.whitelist)
return -ENOMEM;
break;
case 'b':
options.blacklist = strdup(optarg);
if (!options.blacklist)
return -ENOMEM;
case 0:
break;
case 'h':
@ -1823,6 +1850,8 @@ int main(int argc, char **argv)
out:
if (options.whitelist)
free(options.whitelist);
if (options.blacklist)
free(options.blacklist);
if (cg_created)
cleanup_cgroup_environment();
close(cg_fd);