Use the PHYs selected in Set Phy Configuration management command
while scanning.
< HCI Command: LE Set Extended Scan Parameters (0x08|0x0041) plen 13
Own address type: Random (0x01)
Filter policy: Accept all advertisement (0x00)
PHYs: 0x05
Entry 0: LE 1M
Type: Active (0x01)
Interval: 11.250 msec (0x0012)
Window: 11.250 msec (0x0012)
Entry 1: LE Coded
Type: Active (0x01)
Interval: 11.250 msec (0x0012)
Window: 11.250 msec (0x0012)
> HCI Event: Command Complete (0x0e) plen 4
LE Set Extended Scan Parameters (0x08|0x0041) ncmd 1
Status: Success (0x00)
< HCI Command: LE Set Extended Scan Enable (0x08|0x0042) plen 6
Extended scan: Enabled (0x01)
Filter duplicates: Enabled (0x01)
Duration: 0 msec (0x0000)
Period: 0.00 sec (0x0000)
> HCI Event: Command Complete (0x0e) plen 4
LE Set Extended Scan Enable (0x08|0x0042) ncmd 2
Status: Success (0x00)
Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@xxxxxxxxx>
---
include/net/bluetooth/hci.h | 4 +++-
include/net/bluetooth/hci_core.h | 9 +++++++++
net/bluetooth/hci_request.c | 37 ++++++++++++++++++++++++++++---------
3 files changed, 40 insertions(+), 10 deletions(-)
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 89bf800..0421145 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -1540,7 +1540,9 @@ struct hci_cp_le_set_ext_scan_params {
__u8 data[0];
} __packed;
-#define LE_SCAN_PHY_1M 0x01
+#define LE_SCAN_PHY_1M 0x01
+#define LE_SCAN_PHY_2M 0x02
+#define LE_SCAN_PHY_CODED 0x04
struct hci_cp_le_scan_phy_params {
__u8 type;
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index ab5d494..113c9bb 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -1165,6 +1165,15 @@ void hci_conn_del_sysfs(struct hci_conn *conn);
#define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \
hci_dev_test_flag(dev, HCI_SC_ENABLED))
+#define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \
+ ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M))
+
+#define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \
+ ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M))
+
+#define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \
+ ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED))
+
/* Use ext scanning if set ext scan param and ext scan enable is supported */
#define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \
((dev)->commands[37] & 0x40))
diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c
index faf7c71..215059a 100644
--- a/net/bluetooth/hci_request.c
+++ b/net/bluetooth/hci_request.c
@@ -790,8 +790,8 @@ static void hci_req_start_scan(struct hci_request *req, u8 type, u16 interval,
struct hci_cp_le_set_ext_scan_params *ext_param_cp;
struct hci_cp_le_set_ext_scan_enable ext_enable_cp;
struct hci_cp_le_scan_phy_params *phy_params;
- /* Ony single PHY (1M) is supported as of now */
- u8 data[sizeof(*ext_param_cp) + sizeof(*phy_params) * 1];
+ u8 data[sizeof(*ext_param_cp) + sizeof(*phy_params) * 2];
+ u32 plen;
ext_param_cp = (void *)data;
phy_params = (void *)ext_param_cp->data;
@@ -799,16 +799,35 @@ static void hci_req_start_scan(struct hci_request *req, u8 type, u16 interval,
memset(ext_param_cp, 0, sizeof(*ext_param_cp));
ext_param_cp->own_addr_type = own_addr_type;
ext_param_cp->filter_policy = filter_policy;
- ext_param_cp->scanning_phys = LE_SCAN_PHY_1M;
- memset(phy_params, 0, sizeof(*phy_params));
- phy_params->type = type;
- phy_params->interval = cpu_to_le16(interval);
- phy_params->window = cpu_to_le16(window);
+ plen = sizeof(*ext_param_cp);
+
+ if (scan_1m(hdev) || scan_2m(hdev)) {
+ ext_param_cp->scanning_phys |= LE_SCAN_PHY_1M;
+
+ memset(phy_params, 0, sizeof(*phy_params));
+ phy_params->type = type;
+ phy_params->interval = cpu_to_le16(interval);
+ phy_params->window = cpu_to_le16(window);
+
+ plen += sizeof(*phy_params);
+ phy_params++;
+ }
+
+ if (scan_coded(hdev)) {
+ ext_param_cp->scanning_phys |= LE_SCAN_PHY_CODED;
+
+ memset(phy_params, 0, sizeof(*phy_params));
+ phy_params->type = type;
+ phy_params->interval = cpu_to_le16(interval);
+ phy_params->window = cpu_to_le16(window);
+
+ plen += sizeof(*phy_params);
+ phy_params++;
+ }
hci_req_add(req, HCI_OP_LE_SET_EXT_SCAN_PARAMS,
- sizeof(*ext_param_cp) + sizeof(*phy_params),
- ext_param_cp);
+ plen, ext_param_cp);
memset(&ext_enable_cp, 0, sizeof(ext_enable_cp));
ext_enable_cp.enable = LE_SCAN_ENABLE;
--
2.7.4
--
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