Add a test which checks if leftover record data in TLS layer correctly wakes up poll().
Signed-off-by: Jakub Kicinski <[email protected]> Reviewed-by: Dirk van der Merwe <[email protected]> --- tools/testing/selftests/net/tls.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c index 278c86134556..090fff9dbc48 100644 --- a/tools/testing/selftests/net/tls.c +++ b/tools/testing/selftests/net/tls.c @@ -644,6 +644,32 @@ TEST_F(tls, poll_wait) EXPECT_EQ(recv(self->cfd, recv_mem, send_len, MSG_WAITALL), send_len); } +TEST_F(tls, poll_wait_split) +{ + struct pollfd fd = { 0, 0, 0 }; + char send_mem[20] = {}; + char recv_mem[15]; + + fd.fd = self->cfd; + fd.events = POLLIN; + /* Send 20 bytes */ + EXPECT_EQ(send(self->fd, send_mem, sizeof(send_mem), 0), + sizeof(send_mem)); + /* Poll with inf. timeout */ + EXPECT_EQ(poll(&fd, 1, -1), 1); + EXPECT_EQ(fd.revents & POLLIN, 1); + EXPECT_EQ(recv(self->cfd, recv_mem, sizeof(recv_mem), MSG_WAITALL), + sizeof(recv_mem)); + + /* Now the remaining 5 bytes of record data are in TLS ULP */ + fd.fd = self->cfd; + fd.events = POLLIN; + EXPECT_EQ(poll(&fd, 1, -1), 1); + EXPECT_EQ(fd.revents & POLLIN, 1); + EXPECT_EQ(recv(self->cfd, recv_mem, sizeof(recv_mem), 0), + sizeof(send_mem) - sizeof(recv_mem)); +} + TEST_F(tls, blocking) { size_t data = 100000; -- 2.21.0
