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Bluetooth: Handle ATT Exchange MTU request

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This properly init the MTU to default upon new connection and properly
store the new value in case of Exchange MTU request.

Change-Id: I561f5b1756fd8833244cdd2a986e561c16fc8471
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Luiz Augusto von Dentz 2015-05-22 13:01:31 +03:00 • committed by Anas Nashif
commit 6d564a9648
1 changed files with 4 additions and 1 deletions
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5
net/bluetooth/att.c
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@ -56,6 +56,7 @@
struct bt_att {
/* The connection this context is associated with */
struct bt_conn *conn;
uint16_t mtu;
};
static struct bt_att bt_att_pool[CONFIG_BLUETOOTH_MAX_CONN];
@ -81,6 +82,7 @@ static void send_err_rsp(struct bt_conn *conn, uint8_t req, uint16_t handle,
static void att_mtu_req(struct bt_conn *conn, struct bt_buf *data)
{
struct bt_att *att = conn->att;
struct bt_att_exchange_mtu_req *req;
struct bt_att_exchange_mtu_rsp *rsp;
struct bt_buf *buf;
@ -116,7 +118,7 @@ static void att_mtu_req(struct bt_conn *conn, struct bt_buf *data)
BT_DBG("Server MTU %u\n", mtu);
/* TODO: Store the MTU negotiated */
att->mtu = mtu;
rsp = bt_buf_add(buf, sizeof(*rsp));
rsp->mtu = sys_cpu_to_le16(mtu);
@ -605,6 +607,7 @@ static void bt_att_connected(struct bt_conn *conn)
if (!att->conn) {
att->conn = conn;
conn->att = att;
att->mtu = BT_ATT_DEFAULT_LE_MTU;
return;
}
}