This is a note to let you know that I've just added the patch titled
Bluetooth: hci_sync: Use advertised PHYs on hci_le_ext_create_conn_sync
to the 6.8-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
bluetooth-hci_sync-use-advertised-phys-on-hci_le_ext.patch
and it can be found in the queue-6.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 0666c7f7f22725ed4ef509cc809020ae9d20703c
Author: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
Date: Fri Apr 5 16:40:33 2024 -0400
Bluetooth: hci_sync: Use advertised PHYs on hci_le_ext_create_conn_sync
[ Upstream commit 2e7ed5f5e69b6fe93dd3c6b651d041e0a7a456d1 ]
The extended advertising reports do report the PHYs so this store then
in hci_conn so it can be later used in hci_le_ext_create_conn_sync to
narrow the PHYs to be scanned since the controller will also perform a
scan having a smaller set of PHYs shall reduce the time it takes to
find and connect peers.
Fixes: 288c90224eec ("Bluetooth: Enable all supported LE PHY by default")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 1da71254caf61..b6fb104ea1976 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -738,6 +738,8 @@ struct hci_conn {
__u8 le_per_adv_data[HCI_MAX_PER_AD_TOT_LEN];
__u16 le_per_adv_data_len;
__u16 le_per_adv_data_offset;
+ __u8 le_adv_phy;
+ __u8 le_adv_sec_phy;
__u8 le_tx_phy;
__u8 le_rx_phy;
__s8 rssi;
@@ -1512,7 +1514,7 @@ struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst,
enum conn_reasons conn_reason);
struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
u8 dst_type, bool dst_resolved, u8 sec_level,
- u16 conn_timeout, u8 role);
+ u16 conn_timeout, u8 role, u8 phy, u8 sec_phy);
void hci_connect_le_scan_cleanup(struct hci_conn *conn, u8 status);
struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst,
u8 sec_level, u8 auth_type,
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 3a66d357b9323..18f97b2288699 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -1263,7 +1263,7 @@ u8 hci_conn_set_handle(struct hci_conn *conn, u16 handle)
struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
u8 dst_type, bool dst_resolved, u8 sec_level,
- u16 conn_timeout, u8 role)
+ u16 conn_timeout, u8 role, u8 phy, u8 sec_phy)
{
struct hci_conn *conn;
struct smp_irk *irk;
@@ -1326,6 +1326,8 @@ struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
conn->dst_type = dst_type;
conn->sec_level = BT_SECURITY_LOW;
conn->conn_timeout = conn_timeout;
+ conn->le_adv_phy = phy;
+ conn->le_adv_sec_phy = sec_phy;
err = hci_connect_le_sync(hdev, conn);
if (err) {
@@ -2253,7 +2255,7 @@ struct hci_conn *hci_connect_cis(struct hci_dev *hdev, bdaddr_t *dst,
le = hci_connect_le(hdev, dst, dst_type, false,
BT_SECURITY_LOW,
HCI_LE_CONN_TIMEOUT,
- HCI_ROLE_SLAVE);
+ HCI_ROLE_SLAVE, 0, 0);
else
le = hci_connect_le_scan(hdev, dst, dst_type,
BT_SECURITY_LOW,
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index f5d77c8089d81..9450df4ee5b9b 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -6182,7 +6182,7 @@ static void hci_le_conn_update_complete_evt(struct hci_dev *hdev, void *data,
static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
bdaddr_t *addr,
u8 addr_type, bool addr_resolved,
- u8 adv_type)
+ u8 adv_type, u8 phy, u8 sec_phy)
{
struct hci_conn *conn;
struct hci_conn_params *params;
@@ -6237,7 +6237,7 @@ static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
conn = hci_connect_le(hdev, addr, addr_type, addr_resolved,
BT_SECURITY_LOW, hdev->def_le_autoconnect_timeout,
- HCI_ROLE_MASTER);
+ HCI_ROLE_MASTER, phy, sec_phy);
if (!IS_ERR(conn)) {
/* If HCI_AUTO_CONN_EXPLICIT is set, conn is already owned
* by higher layer that tried to connect, if no then
@@ -6272,8 +6272,9 @@ static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
u8 bdaddr_type, bdaddr_t *direct_addr,
- u8 direct_addr_type, s8 rssi, u8 *data, u8 len,
- bool ext_adv, bool ctl_time, u64 instant)
+ u8 direct_addr_type, u8 phy, u8 sec_phy, s8 rssi,
+ u8 *data, u8 len, bool ext_adv, bool ctl_time,
+ u64 instant)
{
struct discovery_state *d = &hdev->discovery;
struct smp_irk *irk;
@@ -6361,7 +6362,7 @@ static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
* for advertising reports) and is already verified to be RPA above.
*/
conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, bdaddr_resolved,
- type);
+ type, phy, sec_phy);
if (!ext_adv && conn && type == LE_ADV_IND &&
len <= max_adv_len(hdev)) {
/* Store report for later inclusion by
@@ -6507,7 +6508,8 @@ static void hci_le_adv_report_evt(struct hci_dev *hdev, void *data,
if (info->length <= max_adv_len(hdev)) {
rssi = info->data[info->length];
process_adv_report(hdev, info->type, &info->bdaddr,
- info->bdaddr_type, NULL, 0, rssi,
+ info->bdaddr_type, NULL, 0,
+ HCI_ADV_PHY_1M, 0, rssi,
info->data, info->length, false,
false, instant);
} else {
@@ -6592,6 +6594,8 @@ static void hci_le_ext_adv_report_evt(struct hci_dev *hdev, void *data,
if (legacy_evt_type != LE_ADV_INVALID) {
process_adv_report(hdev, legacy_evt_type, &info->bdaddr,
info->bdaddr_type, NULL, 0,
+ info->primary_phy,
+ info->secondary_phy,
info->rssi, info->data, info->length,
!(evt_type & LE_EXT_ADV_LEGACY_PDU),
false, instant);
@@ -6874,8 +6878,8 @@ static void hci_le_direct_adv_report_evt(struct hci_dev *hdev, void *data,
process_adv_report(hdev, info->type, &info->bdaddr,
info->bdaddr_type, &info->direct_addr,
- info->direct_addr_type, info->rssi, NULL, 0,
- false, false, instant);
+ info->direct_addr_type, HCI_ADV_PHY_1M, 0,
+ info->rssi, NULL, 0, false, false, instant);
}
hci_dev_unlock(hdev);
diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index ed7db30ac0e0d..84fe44c796f4f 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -6315,7 +6315,8 @@ static int hci_le_ext_create_conn_sync(struct hci_dev *hdev,
plen = sizeof(*cp);
- if (scan_1m(hdev)) {
+ if (scan_1m(hdev) && (conn->le_adv_phy == HCI_ADV_PHY_1M ||
+ conn->le_adv_sec_phy == HCI_ADV_PHY_1M)) {
cp->phys |= LE_SCAN_PHY_1M;
set_ext_conn_params(conn, p);
@@ -6323,7 +6324,8 @@ static int hci_le_ext_create_conn_sync(struct hci_dev *hdev,
plen += sizeof(*p);
}
- if (scan_2m(hdev)) {
+ if (scan_2m(hdev) && (conn->le_adv_phy == HCI_ADV_PHY_2M ||
+ conn->le_adv_sec_phy == HCI_ADV_PHY_2M)) {
cp->phys |= LE_SCAN_PHY_2M;
set_ext_conn_params(conn, p);
@@ -6331,7 +6333,8 @@ static int hci_le_ext_create_conn_sync(struct hci_dev *hdev,
plen += sizeof(*p);
}
- if (scan_coded(hdev)) {
+ if (scan_coded(hdev) && (conn->le_adv_phy == HCI_ADV_PHY_CODED ||
+ conn->le_adv_sec_phy == HCI_ADV_PHY_CODED)) {
cp->phys |= LE_SCAN_PHY_CODED;
set_ext_conn_params(conn, p);
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index dc08974087936..84fc70862d78a 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -7018,7 +7018,7 @@ int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
hcon = hci_connect_le(hdev, dst, dst_type, false,
chan->sec_level, timeout,
- HCI_ROLE_SLAVE);
+ HCI_ROLE_SLAVE, 0, 0);
else
hcon = hci_connect_le_scan(hdev, dst, dst_type,
chan->sec_level, timeout,
