For BREDR-ATT, according to spec, ATT MTU is same has
L2CAP configured MTU on which ATT is running and there won't be
ATT MTU exchange procedure. So, set the MTU to L2CAP MTU for
BREDR-ATT and for LE-ATT adjust the ATT MTU based on
EXCHANGE_MTU request and response.
---
src/device.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/device.c b/src/device.c
index f693b70..02bdd7c 100644
--- a/src/device.c
+++ b/src/device.c
@@ -4922,7 +4922,10 @@ bool device_attach_att(struct btd_device *dev, GIOChannel *io)
}
dev->att_mtu = MIN(mtu, BT_ATT_MAX_LE_MTU);
- attrib = g_attrib_new(io, BT_ATT_DEFAULT_LE_MTU, false);
+ if (cid == ATT_CID)
+ attrib = g_attrib_new(io, BT_ATT_DEFAULT_LE_MTU, false);
+ else
+ attrib = g_attrib_new(io, dev->att_mtu, false);
if (!attrib) {
error("Unable to create new GAttrib instance");
return false;
--
1.9.1
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