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Bluetooth: Add le_addr_type() helper function

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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>
This commit is contained in:
Johan Hedberg 2015-10-21 18:02:59 +03:00 committed by Marcel Holtmann
parent 8ce783dc5e
commit 85813a7ec7
1 changed files with 18 additions and 38 deletions
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56
net/bluetooth/mgmt.c
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@ -268,6 +268,14 @@ static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 len,
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 @@ static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
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 @@ static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
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 @@ static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
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 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
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 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
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 @@ static int add_device(struct sock *sk, struct hci_dev *hdev,
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 @@ static int remove_device(struct sock *sk, struct hci_dev *hdev,
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.