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authorJakub Kicinski <kuba@kernel.org>2022-03-03 22:55:12 +0300
committerJakub Kicinski <kuba@kernel.org>2022-03-03 22:55:12 +0300
commit80901bff812984624918d9d03f9286e3245ee9a5 (patch)
tree945b0f2416cb904e5a178f2d099958b510ed1d56 /net/bluetooth/hci_sync.c
parent25bf4df4d18b4546a5821d77b5fac149a3a4961f (diff)
parentb949c21fc23ecaccef89582f251e6281cad1f81e (diff)
downloadlinux-80901bff812984624918d9d03f9286e3245ee9a5.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
net/batman-adv/hard-interface.c commit 690bb6fb64f5 ("batman-adv: Request iflink once in batadv-on-batadv check") commit 6ee3c393eeb7 ("batman-adv: Demote batadv-on-batadv skip error message") https://lore.kernel.org/all/20220302163049.101957-1-sw@simonwunderlich.de/ net/smc/af_smc.c commit 4d08b7b57ece ("net/smc: Fix cleanup when register ULP fails") commit 462791bbfa35 ("net/smc: add sysctl interface for SMC") https://lore.kernel.org/all/20220302112209.355def40@canb.auug.org.au/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/bluetooth/hci_sync.c')
-rw-r--r--net/bluetooth/hci_sync.c30
1 files changed, 21 insertions, 9 deletions
diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index 6e71aa6b6fea..8fa57ef0bbc9 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -1844,6 +1844,7 @@ static u8 hci_update_accept_list_sync(struct hci_dev *hdev)
struct bdaddr_list *b, *t;
u8 num_entries = 0;
bool pend_conn, pend_report;
+ u8 filter_policy;
int err;
/* Pause advertising if resolving list can be used as controllers are
@@ -1930,6 +1931,8 @@ static u8 hci_update_accept_list_sync(struct hci_dev *hdev)
err = -EINVAL;
done:
+ filter_policy = err ? 0x00 : 0x01;
+
/* Enable address resolution when LL Privacy is enabled. */
err = hci_le_set_addr_resolution_enable_sync(hdev, 0x01);
if (err)
@@ -1940,7 +1943,7 @@ done:
hci_resume_advertising_sync(hdev);
/* Select filter policy to use accept list */
- return err ? 0x00 : 0x01;
+ return filter_policy;
}
/* Returns true if an le connection is in the scanning state */
@@ -3265,10 +3268,10 @@ static int hci_le_set_event_mask_sync(struct hci_dev *hdev)
if (hdev->le_features[0] & HCI_LE_DATA_LEN_EXT)
events[0] |= 0x40; /* LE Data Length Change */
- /* If the controller supports LL Privacy feature, enable
- * the corresponding event.
+ /* If the controller supports LL Privacy feature or LE Extended Adv,
+ * enable the corresponding event.
*/
- if (hdev->le_features[0] & HCI_LE_LL_PRIVACY)
+ if (use_enhanced_conn_complete(hdev))
events[1] |= 0x02; /* LE Enhanced Connection Complete */
/* If the controller supports Extended Scanner Filter
@@ -4109,9 +4112,9 @@ int hci_dev_close_sync(struct hci_dev *hdev)
hci_inquiry_cache_flush(hdev);
hci_pend_le_actions_clear(hdev);
hci_conn_hash_flush(hdev);
- hci_dev_unlock(hdev);
-
+ /* Prevent data races on hdev->smp_data or hdev->smp_bredr_data */
smp_unregister(hdev);
+ hci_dev_unlock(hdev);
hci_sock_dev_event(hdev, HCI_DEV_DOWN);
@@ -5188,7 +5191,7 @@ static int hci_le_ext_create_conn_sync(struct hci_dev *hdev,
return __hci_cmd_sync_status_sk(hdev, HCI_OP_LE_EXT_CREATE_CONN,
plen, data,
HCI_EV_LE_ENHANCED_CONN_COMPLETE,
- HCI_CMD_TIMEOUT, NULL);
+ conn->conn_timeout, NULL);
}
int hci_le_create_conn_sync(struct hci_dev *hdev, struct hci_conn *conn)
@@ -5273,9 +5276,18 @@ int hci_le_create_conn_sync(struct hci_dev *hdev, struct hci_conn *conn)
cp.min_ce_len = cpu_to_le16(0x0000);
cp.max_ce_len = cpu_to_le16(0x0000);
+ /* BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 4, Part E page 2261:
+ *
+ * If this event is unmasked and the HCI_LE_Connection_Complete event
+ * is unmasked, only the HCI_LE_Enhanced_Connection_Complete event is
+ * sent when a new connection has been created.
+ */
err = __hci_cmd_sync_status_sk(hdev, HCI_OP_LE_CREATE_CONN,
- sizeof(cp), &cp, HCI_EV_LE_CONN_COMPLETE,
- HCI_CMD_TIMEOUT, NULL);
+ sizeof(cp), &cp,
+ use_enhanced_conn_complete(hdev) ?
+ HCI_EV_LE_ENHANCED_CONN_COMPLETE :
+ HCI_EV_LE_CONN_COMPLETE,
+ conn->conn_timeout, NULL);
done:
/* Re-enable advertising after the connection attempt is finished. */