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l2cap-tester: Add tests for multiple data packets over LE

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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
This commit is contained in:
Luiz Augusto von Dentz 2024-06-26 10:56:53 -04:00
parent b6f8c0024a
commit 72c3f5bf1c
1 changed files with 61 additions and 5 deletions
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66
tools/l2cap-tester.c
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@ -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);