According to spec: "This request shall only be sent once during a
connection by the client." This is needed to pass TC_GAC_CL_BV_01_C.
---
android/gatt.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/android/gatt.c b/android/gatt.c
index 283bb6d..15fdb98 100644
--- a/android/gatt.c
+++ b/android/gatt.c
@@ -978,6 +978,18 @@ static void send_app_connect_notifications(void *data, void *user_data)
static void att_handler(const uint8_t *ipdu, uint16_t len, gpointer user_data);
+static void send_exchange_mtu_request(struct gatt_device *device,
+ uint16_t mtu_size)
+{
+ uint8_t req[ATT_DEFAULT_LE_MTU];
+ uint16_t len = 0;
+
+ len = enc_mtu_req(mtu_size, req, ATT_DEFAULT_LE_MTU);
+ if (len) {
+ g_attrib_send(device->attrib, 0, req, len, NULL, NULL, NULL);
+ }
+}
+
static void connect_cb(GIOChannel *io, GError *gerr, gpointer user_data)
{
struct gatt_device *dev = user_data;
@@ -1023,6 +1035,8 @@ static void connect_cb(GIOChannel *io, GError *gerr, gpointer user_data)
status = GATT_SUCCESS;
+ send_exchange_mtu_request(dev, ATT_DEFAULT_LE_MTU);
+
reply:
data.dev = dev;
data.status = status;
--
1.9.3
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