diff options
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/sock_iter_batch.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/sock_iter_batch.c b/tools/testing/selftests/bpf/prog_tests/sock_iter_batch.c index 4e15a0c2f237..60b45685ef72 100644 --- a/tools/testing/selftests/bpf/prog_tests/sock_iter_batch.c +++ b/tools/testing/selftests/bpf/prog_tests/sock_iter_batch.c @@ -6,6 +6,7 @@ #include "sock_iter_batch.skel.h" #define TEST_NS "sock_iter_batch_netns" +#define TEST_CHILD_NS "sock_iter_batch_child_netns" static const int init_batch_size = 16; static const int nr_soreuse = 4; @@ -304,6 +305,7 @@ struct test_case { int *socks, int socks_len, struct sock_count *counts, int counts_len, struct bpf_link *link, int iter_fd); const char *description; + int ehash_buckets; int init_socks; int max_socks; int sock_type; @@ -410,13 +412,25 @@ static struct test_case resume_tests[] = { static void do_resume_test(struct test_case *tc) { struct sock_iter_batch *skel = NULL; + struct sock_count *counts = NULL; static const __u16 port = 10001; + struct nstoken *nstoken = NULL; struct bpf_link *link = NULL; - struct sock_count *counts; int err, iter_fd = -1; const char *addr; int *fds = NULL; + if (tc->ehash_buckets) { + SYS_NOFAIL("ip netns del " TEST_CHILD_NS); + SYS(done, "sysctl -wq net.ipv4.tcp_child_ehash_entries=%d", + tc->ehash_buckets); + SYS(done, "ip netns add %s", TEST_CHILD_NS); + SYS(done, "ip -net %s link set dev lo up", TEST_CHILD_NS); + nstoken = open_netns(TEST_CHILD_NS); + if (!ASSERT_OK_PTR(nstoken, "open_child_netns")) + goto done; + } + counts = calloc(tc->max_socks, sizeof(*counts)); if (!ASSERT_OK_PTR(counts, "counts")) goto done; @@ -453,6 +467,9 @@ static void do_resume_test(struct test_case *tc) tc->test(tc->family, tc->sock_type, addr, port, fds, tc->init_socks, counts, tc->max_socks, link, iter_fd); done: + close_netns(nstoken); + SYS_NOFAIL("ip netns del " TEST_CHILD_NS); + SYS_NOFAIL("sysctl -w net.ipv4.tcp_child_ehash_entries=0"); free(counts); free_fds(fds, tc->init_socks); if (iter_fd >= 0) |