diff --git a/tools/testing/selftests/drivers/net/xdp.py b/tools/testing/selftests/drivers/net/xdp.py index 1dd8bf3bf6c9..ea4da9024f9f 100755 --- a/tools/testing/selftests/drivers/net/xdp.py +++ b/tools/testing/selftests/drivers/net/xdp.py @@ -290,6 +290,45 @@ def test_xdp_native_drop_mb(cfg): _test_drop(cfg, bpf_info, 8000) +def _test_xdp_native_tx(cfg, bpf_info, payload_lens): + """ + Tests the XDP_TX action. + + Args: + cfg: Configuration object containing network settings. + bpf_info: BPFProgInfo object containing the BPF program metadata. + payload_lens: Array of packet lengths to send. + """ + cfg.require_cmd("socat", remote=True) + prog_info = _load_xdp_prog(cfg, bpf_info) + port = rand_port() + + _set_xdp_map("map_xdp_setup", TestConfig.MODE.value, XDPAction.TX.value) + _set_xdp_map("map_xdp_setup", TestConfig.PORT.value, port) + + expected_pkts = 0 + for payload_len in payload_lens: + test_string = "".join( + random.choice(string.ascii_lowercase) for _ in range(payload_len) + ) + + rx_udp = f"socat -{cfg.addr_ipver} -T 2 " + \ + f"-u UDP-RECV:{port},reuseport STDOUT" + tx_udp = f"echo -n {test_string} | socat -t 2 " + \ + f"-u STDIN UDP:{cfg.baddr}:{port}" + + with bkg(rx_udp, host=cfg.remote, exit_wait=True) as rnc: + wait_port_listen(port, proto="udp", host=cfg.remote) + cmd(tx_udp, host=cfg.remote, shell=True) + + ksft_eq(rnc.stdout.strip(), test_string, "UDP packet exchange failed") + + expected_pkts += 1 + stats = _get_stats(prog_info["maps"]["map_xdp_stats"]) + ksft_eq(stats[XDPStats.RX.value], expected_pkts, "RX stats mismatch") + ksft_eq(stats[XDPStats.TX.value], expected_pkts, "TX stats mismatch") + + def test_xdp_native_tx_mb(cfg): """ Tests the XDP_TX action for a multi-buff case. @@ -297,27 +336,9 @@ def test_xdp_native_tx_mb(cfg): Args: cfg: Configuration object containing network settings. """ - cfg.require_cmd("socat", remote=True) - - bpf_info = BPFProgInfo("xdp_prog_frags", "xdp_native.bpf.o", "xdp.frags", 9000) - prog_info = _load_xdp_prog(cfg, bpf_info) - port = rand_port() - - _set_xdp_map("map_xdp_setup", TestConfig.MODE.value, XDPAction.TX.value) - _set_xdp_map("map_xdp_setup", TestConfig.PORT.value, port) - - test_string = ''.join(random.choice(string.ascii_lowercase) for _ in range(8000)) - rx_udp = f"socat -{cfg.addr_ipver} -T 2 -u UDP-RECV:{port},reuseport STDOUT" - tx_udp = f"echo {test_string} | socat -t 2 -u STDIN UDP:{cfg.baddr}:{port}" - - with bkg(rx_udp, host=cfg.remote, exit_wait=True) as rnc: - wait_port_listen(port, proto="udp", host=cfg.remote) - cmd(tx_udp, host=cfg.remote, shell=True) - - stats = _get_stats(prog_info['maps']['map_xdp_stats']) - - ksft_eq(rnc.stdout.strip(), test_string, "UDP packet exchange failed") - ksft_eq(stats[XDPStats.TX.value], 1, "TX stats mismatch") + bpf_info = BPFProgInfo("xdp_prog_frags", "xdp_native.bpf.o", + "xdp.frags", 9000) + _test_xdp_native_tx(cfg, bpf_info, [8000]) def _validate_res(res, offset_lst, pkt_sz_lst):