michaelh/zephyr
1
0
Fork 0
Code Releases Activity

Bluetooth: gatt: callbacks on ATT MTU update

Browse source 
Adds a new callback structure to `<gatt.h>` for receiving notifications
of ATT MTU updates. This callback is called regardless of whether the
MTU update was initiated locally or remotely.

Fixes #32035.

Signed-off-by: Jordan Yates <jordan.yates@data61.csiro.au>
This commit is contained in:
Jordan Yates 2021-02-06 11:21:46 +10:00 • committed by Carles Cufí
commit 43b2400688
4 changed files with 77 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

19
subsys/bluetooth/host/gatt.c
View file

@ -71,6 +71,7 @@ struct gatt_sub {
#endif /* CONFIG_BT_GATT_CLIENT */
static struct gatt_sub subscriptions[SUB_MAX];
static sys_slist_t callback_list;
static const uint16_t gap_appearance = CONFIG_BT_DEVICE_APPEARANCE;
@ -1106,6 +1107,8 @@ void bt_gatt_init(void)
bt_gatt_service_init();
sys_slist_init(&callback_list);
#if defined(CONFIG_BT_GATT_CACHING)
k_work_init_delayable(&db_hash.work, db_hash_process);
@ -1157,6 +1160,11 @@ submit:
}
#endif /* BT_GATT_DYNAMIC_DB || (BT_GATT_CACHING && BT_SETTINGS) */
void bt_gatt_cb_register(struct bt_gatt_cb *cb)
{
sys_slist_append(&callback_list, &cb->node);
}
#if defined(CONFIG_BT_GATT_DYNAMIC_DB)
static void db_changed(void)
{
@ -4867,6 +4875,17 @@ void bt_gatt_connected(struct bt_conn *conn)
#endif /* CONFIG_BT_GATT_CLIENT */
}
void bt_gatt_att_max_mtu_changed(struct bt_conn *conn, uint16_t tx, uint16_t rx)
{
struct bt_gatt_cb *cb;
SYS_SLIST_FOR_EACH_CONTAINER(&callback_list, cb, node) {
if (cb->att_mtu_updated) {
cb->att_mtu_updated(conn, tx, rx);
}
}
}
void bt_gatt_encrypt_change(struct bt_conn *conn)
{
struct conn_data data;