summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMarcel Holtmann <marcel@holtmann.org>2015-01-30 23:20:55 -0800
committerJohan Hedberg <johan.hedberg@intel.com>2015-01-31 09:59:45 +0200
commitf7697b1602d13ef80779caf23d13fa1511193144 (patch)
treee18e6976b1fad8ef90a67f37e4b1def196b2aeba
parentc33fb9b4ef6c8e2472405606f3f9850415980c96 (diff)
Bluetooth: Store OOB data present value for each set of remote OOB data
Instead of doing complex calculation every time the OOB data is used, just calculate the OOB data present value and store it with the OOB data raw values. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
-rw-r--r--include/net/bluetooth/hci_core.h1
-rw-r--r--net/bluetooth/hci_core.c8
2 files changed, 9 insertions, 0 deletions
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 1780f1681ec..a37e10f4e2b 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -145,6 +145,7 @@ struct oob_data {
struct list_head list;
bdaddr_t bdaddr;
u8 bdaddr_type;
+ u8 present;
u8 hash192[16];
u8 rand192[16];
u8 hash256[16];
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 5d4ac3fbbc0..f045c062f8f 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -2581,9 +2581,15 @@ int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
if (hash192 && rand192) {
memcpy(data->hash192, hash192, sizeof(data->hash192));
memcpy(data->rand192, rand192, sizeof(data->rand192));
+ if (hash256 && rand256)
+ data->present = 0x03;
} else {
memset(data->hash192, 0, sizeof(data->hash192));
memset(data->rand192, 0, sizeof(data->rand192));
+ if (hash256 && rand256)
+ data->present = 0x02;
+ else
+ data->present = 0x00;
}
if (hash256 && rand256) {
@@ -2592,6 +2598,8 @@ int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
} else {
memset(data->hash256, 0, sizeof(data->hash256));
memset(data->rand256, 0, sizeof(data->rand256));
+ if (hash192 && rand192)
+ data->present = 0x01;
}
BT_DBG("%s for %pMR", hdev->name, bdaddr);