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[107.146.107.67]) by smtp.gmail.com with ESMTPSA id ada2fe7eead31-48f5cd3cf91sm1203746137.13.2024.06.26.08.02.35 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Jun 2024 08:02:36 -0700 (PDT) From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Subject: [PATCH BlueZ v1 3/3] l2cap-tester: Add tests for multiple data packets over LE Date: Wed, 26 Jun 2024 11:02:29 -0400 Message-ID: <20240626150229.103047-3-luiz.dentz@gmail.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240626150229.103047-1-luiz.dentz@gmail.com> References: <20240626150229.103047-1-luiz.dentz@gmail.com> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Luiz Augusto von Dentz This adds the following tests which cover the TX/RX of multiple packets (up to 32K) over LE credit based flow control: L2CAP LE Client - Read 32k Success L2CAP LE Client - Write 32k Success --- tools/l2cap-tester.c | 66 ++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 61 insertions(+), 5 deletions(-) diff --git a/tools/l2cap-tester.c b/tools/l2cap-tester.c index b6b879407115..e1487bc7fd75 100644 --- a/tools/l2cap-tester.c +++ b/tools/l2cap-tester.c @@ -58,6 +58,9 @@ struct l2cap_data { uint16_t server_psm; uint16_t cid; uint8_t mode; + uint16_t mtu; + uint16_t mps; + uint16_t credits; int expect_err; int timeout; @@ -545,6 +548,22 @@ static const struct l2cap_data le_client_connect_read_success_test = { .data_len = sizeof(l2_data), }; +static const struct l2cap_data le_client_connect_read_32k_success_test = { + .client_psm = 0x0080, + .server_psm = 0x0080, + .mtu = 672, + .mps = 251, + /* Given enough credits to complete the transfer without waiting for + * more credits. + * credits = round_up(data size / mtu) * round_up(mtu / mps) + * credits = 49 * 3 + * credits = 147 + */ + .credits = 147, + .read_data = l2_data_32k, + .data_len = sizeof(l2_data_32k), +}; + static const struct l2cap_data le_client_connect_write_success_test = { .client_psm = 0x0080, .server_psm = 0x0080, @@ -552,6 +571,22 @@ static const struct l2cap_data le_client_connect_write_success_test = { .data_len = sizeof(l2_data), }; +static const struct l2cap_data le_client_connect_write_32k_success_test = { + .client_psm = 0x0080, + .server_psm = 0x0080, + .mtu = 672, + .mps = 251, + /* Given enough credits to complete the transfer without waiting for + * more credits. + * credits = round_up(data size / mtu) * round_up(mtu / mps) + * credits = 49 * 3 + * credits = 147 + */ + .credits = 147, + .write_data = l2_data_32k, + .data_len = sizeof(l2_data_32k), +}; + static const struct l2cap_data le_client_connect_tx_timestamping_test = { .client_psm = 0x0080, .server_psm = 0x0080, @@ -1278,6 +1313,10 @@ static bool check_mtu(struct test_data *data, int sk) strerror(errno), errno); return false; } + + /* Take SDU len into account */ + data->l2o.imtu -= 2; + data->l2o.omtu -= 2; } else { /* For non-LE CoC enabled kernels we need to fall back to * L2CAP_OPTIONS, so test support for it as well */ @@ -1673,9 +1712,20 @@ static void test_connect(const void *test_data) if (l2data->shut_sock_wr) host_disconnect_cb = client_l2cap_disconnect_cb; - bthost_add_l2cap_server(bthost, l2data->server_psm, - host_connect_cb, host_disconnect_cb, - data); + if (l2data->mtu || l2data->mps || l2data->credits) + bthost_add_l2cap_server_custom(bthost, + l2data->server_psm, + l2data->mtu, + l2data->mps, + l2data->credits, + host_connect_cb, + host_disconnect_cb, + data); + else + bthost_add_l2cap_server(bthost, l2data->server_psm, + host_connect_cb, + host_disconnect_cb, + data); } if (l2data->direct_advertising) @@ -2534,11 +2584,17 @@ int main(int argc, char *argv[]) &le_client_connect_timeout_test_1, setup_powered_client, test_connect_timeout); test_l2cap_le("L2CAP LE Client - Read Success", - &le_client_connect_read_success_test, - setup_powered_client, test_connect); + &le_client_connect_read_success_test, + setup_powered_client, test_connect); + test_l2cap_le("L2CAP LE Client - Read 32k Success", + &le_client_connect_read_32k_success_test, + setup_powered_client, test_connect); test_l2cap_le("L2CAP LE Client - Write Success", &le_client_connect_write_success_test, setup_powered_client, test_connect); + test_l2cap_le("L2CAP LE Client - Write 32k Success", + &le_client_connect_write_32k_success_test, + setup_powered_client, test_connect); test_l2cap_le("L2CAP LE Client - TX Timestamping", &le_client_connect_tx_timestamping_test, setup_powered_client, test_connect);