diff options
| author | Szymon Janc <szymon.janc@tieto.com> | 2015-02-07 16:18:16 +0100 |
|---|---|---|
| committer | Szymon Janc <szymon.janc@tieto.com> | 2015-02-09 13:32:10 +0100 |
| commit | 518a0d9f7b7cf15e71e5546e2a17d591010f58f9 (patch) | |
| tree | c4a3811f4dbf8d240a17ca9222068e4ad16f1fb8 /android/gatt.c | |
| parent | 23a4b8af8b38058fb2249fbb8a941235d233f473 (diff) | |
| download | bluez-518a0d9f7b7cf15e71e5546e2a17d591010f58f9.tar.gz | |
android/gatt: Disconnect ATT if MTU is too small on BR/EDR
On BR/EDR MTU is negotiated using L2CAP configuration and not by
ATT MTU exchange procedure.
Diffstat (limited to 'android/gatt.c')
| -rw-r--r-- | android/gatt.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/android/gatt.c b/android/gatt.c index 49fff6f60..45d70fdcf 100644 --- a/android/gatt.c +++ b/android/gatt.c @@ -1519,6 +1519,14 @@ static void connect_cb(GIOChannel *io, GError *gerr, gpointer user_data) goto reply; } + /* on BR/EDR MTU must not be less then minimal allowed MTU */ + if (cid != ATT_CID && mtu < ATT_DEFAULT_L2CAP_MTU) { + error("gatt: MTU too small (%u bytes)", mtu); + device_set_state(dev, DEVICE_DISCONNECTED); + status = GATT_FAILURE; + goto reply; + } + DBG("mtu %u cid %u", mtu, cid); /* on LE we always start with default MTU */ |