@@ -4163,8 +4163,9 @@ static void load_ltks(struct btd_adapter *adapter, GSList *keys)
{
struct mgmt_cp_load_long_term_keys *cp;
struct mgmt_ltk_info *key;
- size_t key_count, cp_size;
+ size_t key_count, max_key_count, cp_size;
GSList *l;
+ uint16_t mtu;
/*
* If the controller does not support Low Energy operation,
@@ -4180,6 +4181,9 @@ static void load_ltks(struct btd_adapter *adapter, GSList *keys)
return;
key_count = g_slist_length(keys);
+ mtu = mgmt_get_mtu(adapter->mgmt);
+ max_key_count = (mtu - sizeof(*cp)) / sizeof(*key);
+ key_count = MIN(max_key_count, key_count);
DBG("hci%u keys %zu", adapter->dev_id, key_count);
@@ -4199,8 +4203,10 @@ static void load_ltks(struct btd_adapter *adapter, GSList *keys)
*/
cp->key_count = htobs(key_count);
- for (l = keys, key = cp->keys; l != NULL; l = g_slist_next(l), key++) {
+ for (l = keys, key = cp->keys; l && key_count;
+ l = g_slist_next(l), key++, key_count--) {
struct smp_ltk_info *info = l->data;
+ struct btd_device *dev;
bacpy(&key->addr.bdaddr, &info->bdaddr);
key->addr.type = info->bdaddr_type;
@@ -4210,6 +4216,16 @@ static void load_ltks(struct btd_adapter *adapter, GSList *keys)
key->type = info->authenticated;
key->central = info->central;
key->enc_size = info->enc_size;
+
+ /* Mark device as paired as their LTKs can be loaded. */
+ dev = btd_adapter_find_device(adapter, &info->bdaddr,
+ info->bdaddr_type);
+ if (dev) {
+ device_set_paired(dev, info->bdaddr_type);
+ device_set_bonded(dev, info->bdaddr_type);
+ device_set_ltk_enc_size(dev, info->enc_size);
+ device_set_ltk_enc_size(dev, info->enc_size);
+ }
}
adapter->load_ltks_id = mgmt_send(adapter->mgmt,
@@ -4769,18 +4785,6 @@ device_exist:
device_set_bonded(device, BDADDR_BREDR);
}
- if (ltk_info || peripheral_ltk_info) {
- device_set_paired(device, bdaddr_type);
- device_set_bonded(device, bdaddr_type);
-
- if (ltk_info)
- device_set_ltk_enc_size(device,
- ltk_info->enc_size);
- else if (peripheral_ltk_info)
- device_set_ltk_enc_size(device,
- peripheral_ltk_info->enc_size);
- }
-
free:
g_key_file_free(key_file);
}
From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> If MGMT MTU cannot accomodate all the existing LTKs only send the ones that fit in the MTU and leave the remaining as unpaired. --- src/adapter.c | 32 ++++++++++++++++++-------------- 1 file changed, 18 insertions(+), 14 deletions(-)