Bluetooth: Add le_addr_type() helper function
The mgmt code needs to convert from mgmt/L2CAP address types to HCI in
many places. Having a dedicated helper function for this simplifies
code by shortening it and removing unnecessary 'addr_type' variables.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 98d8d20..de338d5 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -268,6 +268,14 @@
HCI_SOCK_TRUSTED, skip_sk);
}
+static u8 le_addr_type(u8 mgmt_addr_type)
+{
+ if (mgmt_addr_type == BDADDR_LE_PUBLIC)
+ return ADDR_LE_DEV_PUBLIC;
+ else
+ return ADDR_LE_DEV_RANDOM;
+}
+
static int read_version(struct sock *sk, struct hci_dev *hdev, void *data,
u16 data_len)
{
@@ -3088,12 +3096,7 @@
err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
} else {
- u8 addr_type;
-
- if (cp->addr.type == BDADDR_LE_PUBLIC)
- addr_type = ADDR_LE_DEV_PUBLIC;
- else
- addr_type = ADDR_LE_DEV_RANDOM;
+ u8 addr_type = le_addr_type(cp->addr.type);
conn = hci_conn_hash_lookup_ba(hdev, LE_LINK,
&cp->addr.bdaddr);
@@ -3546,16 +3549,9 @@
conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level,
auth_type);
} else {
- u8 addr_type;
+ u8 addr_type = le_addr_type(cp->addr.type);
struct hci_conn_params *p;
- /* Convert from L2CAP channel address type to HCI address type
- */
- if (cp->addr.type == BDADDR_LE_PUBLIC)
- addr_type = ADDR_LE_DEV_PUBLIC;
- else
- addr_type = ADDR_LE_DEV_RANDOM;
-
/* When pairing a new device, it is expected to remember
* this device for future connections. Adding the connection
* parameter information ahead of time allows tracking
@@ -5602,14 +5598,9 @@
for (i = 0; i < irk_count; i++) {
struct mgmt_irk_info *irk = &cp->irks[i];
- u8 addr_type;
- if (irk->addr.type == BDADDR_LE_PUBLIC)
- addr_type = ADDR_LE_DEV_PUBLIC;
- else
- addr_type = ADDR_LE_DEV_RANDOM;
-
- hci_add_irk(hdev, &irk->addr.bdaddr, addr_type, irk->val,
+ hci_add_irk(hdev, &irk->addr.bdaddr,
+ le_addr_type(irk->addr.type), irk->val,
BDADDR_ANY);
}
@@ -5689,12 +5680,7 @@
for (i = 0; i < key_count; i++) {
struct mgmt_ltk_info *key = &cp->keys[i];
- u8 type, addr_type, authenticated;
-
- if (key->addr.type == BDADDR_LE_PUBLIC)
- addr_type = ADDR_LE_DEV_PUBLIC;
- else
- addr_type = ADDR_LE_DEV_RANDOM;
+ u8 type, authenticated;
switch (key->type) {
case MGMT_LTK_UNAUTHENTICATED:
@@ -5720,9 +5706,9 @@
continue;
}
- hci_add_ltk(hdev, &key->addr.bdaddr, addr_type, type,
- authenticated, key->val, key->enc_size, key->ediv,
- key->rand);
+ hci_add_ltk(hdev, &key->addr.bdaddr,
+ le_addr_type(key->addr.type), type, authenticated,
+ key->val, key->enc_size, key->ediv, key->rand);
}
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
@@ -6234,10 +6220,7 @@
goto added;
}
- if (cp->addr.type == BDADDR_LE_PUBLIC)
- addr_type = ADDR_LE_DEV_PUBLIC;
- else
- addr_type = ADDR_LE_DEV_RANDOM;
+ addr_type = le_addr_type(cp->addr.type);
if (cp->action == 0x02)
auto_conn = HCI_AUTO_CONN_ALWAYS;
@@ -6366,10 +6349,7 @@
goto complete;
}
- if (cp->addr.type == BDADDR_LE_PUBLIC)
- addr_type = ADDR_LE_DEV_PUBLIC;
- else
- addr_type = ADDR_LE_DEV_RANDOM;
+ addr_type = le_addr_type(cp->addr.type);
/* Kernel internally uses conn_params with resolvable private
* address, but Remove Device allows only identity addresses.