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-rw-r--r--include/net/bluetooth/mgmt.h25
-rw-r--r--net/bluetooth/mgmt.c145
2 files changed, 170 insertions, 0 deletions
diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index e7303eee65cd..1c93d6e83a6c 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -101,6 +101,7 @@ struct mgmt_rp_read_index_list {
#define MGMT_SETTING_PRIVACY 0x00002000
#define MGMT_SETTING_CONFIGURATION 0x00004000
#define MGMT_SETTING_STATIC_ADDRESS 0x00008000
+#define MGMT_SETTING_PHY_CONFIGURATION 0x00010000
#define MGMT_OP_READ_INFO 0x0004
#define MGMT_READ_INFO_SIZE 0
@@ -604,6 +605,30 @@ struct mgmt_cp_set_appearance {
} __packed;
#define MGMT_SET_APPEARANCE_SIZE 2
+#define MGMT_OP_GET_PHY_CONFIGURATION 0x0044
+struct mgmt_rp_get_phy_confguration {
+ __le32 supported_phys;
+ __le32 configurable_phys;
+ __le32 selected_phys;
+} __packed;
+#define MGMT_GET_PHY_CONFIGURATION_SIZE 0
+
+#define MGMT_PHY_BR_1M_1SLOT 0x00000001
+#define MGMT_PHY_BR_1M_3SLOT 0x00000002
+#define MGMT_PHY_BR_1M_5SLOT 0x00000004
+#define MGMT_PHY_EDR_2M_1SLOT 0x00000008
+#define MGMT_PHY_EDR_2M_3SLOT 0x00000010
+#define MGMT_PHY_EDR_2M_5SLOT 0x00000020
+#define MGMT_PHY_EDR_3M_1SLOT 0x00000040
+#define MGMT_PHY_EDR_3M_3SLOT 0x00000080
+#define MGMT_PHY_EDR_3M_5SLOT 0x00000100
+#define MGMT_PHY_LE_1M_TX 0x00000200
+#define MGMT_PHY_LE_1M_RX 0x00000400
+#define MGMT_PHY_LE_2M_TX 0x00000800
+#define MGMT_PHY_LE_2M_RX 0x00001000
+#define MGMT_PHY_LE_CODED_TX 0x00002000
+#define MGMT_PHY_LE_CODED_RX 0x00004000
+
#define MGMT_EV_CMD_COMPLETE 0x0001
struct mgmt_ev_cmd_complete {
__le16 opcode;
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 8a80d48d89c4..c8c3b39fa9f2 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -617,6 +617,127 @@ static int read_config_info(struct sock *sk, struct hci_dev *hdev,
&rp, sizeof(rp));
}
+static u32 get_supported_phys(struct hci_dev *hdev)
+{
+ u32 supported_phys = 0;
+
+ if (lmp_bredr_capable(hdev)) {
+ supported_phys |= MGMT_PHY_BR_1M_1SLOT;
+
+ if (hdev->features[0][0] & LMP_3SLOT)
+ supported_phys |= MGMT_PHY_BR_1M_3SLOT;
+
+ if (hdev->features[0][0] & LMP_5SLOT)
+ supported_phys |= MGMT_PHY_BR_1M_5SLOT;
+
+ if (lmp_edr_2m_capable(hdev)) {
+ supported_phys |= MGMT_PHY_EDR_2M_1SLOT;
+
+ if (lmp_edr_3slot_capable(hdev))
+ supported_phys |= MGMT_PHY_EDR_2M_3SLOT;
+
+ if (lmp_edr_5slot_capable(hdev))
+ supported_phys |= MGMT_PHY_EDR_2M_5SLOT;
+
+ if (lmp_edr_3m_capable(hdev)) {
+ supported_phys |= MGMT_PHY_EDR_3M_1SLOT;
+
+ if (lmp_edr_3slot_capable(hdev))
+ supported_phys |= MGMT_PHY_EDR_3M_3SLOT;
+
+ if (lmp_edr_5slot_capable(hdev))
+ supported_phys |= MGMT_PHY_EDR_3M_5SLOT;
+ }
+ }
+ }
+
+ if (lmp_le_capable(hdev)) {
+ supported_phys |= MGMT_PHY_LE_1M_TX;
+ supported_phys |= MGMT_PHY_LE_1M_RX;
+
+ if (hdev->le_features[1] & HCI_LE_PHY_2M) {
+ supported_phys |= MGMT_PHY_LE_2M_TX;
+ supported_phys |= MGMT_PHY_LE_2M_RX;
+ }
+
+ if (hdev->le_features[1] & HCI_LE_PHY_CODED) {
+ supported_phys |= MGMT_PHY_LE_CODED_TX;
+ supported_phys |= MGMT_PHY_LE_CODED_RX;
+ }
+ }
+
+ return supported_phys;
+}
+
+static u32 get_selected_phys(struct hci_dev *hdev)
+{
+ u32 selected_phys = 0;
+
+ if (lmp_bredr_capable(hdev)) {
+ selected_phys |= MGMT_PHY_BR_1M_1SLOT;
+
+ if (hdev->pkt_type & (HCI_DM3 | HCI_DH3))
+ selected_phys |= MGMT_PHY_BR_1M_3SLOT;
+
+ if (hdev->pkt_type & (HCI_DM5 | HCI_DH5))
+ selected_phys |= MGMT_PHY_BR_1M_5SLOT;
+
+ if (lmp_edr_2m_capable(hdev)) {
+ if (!(hdev->pkt_type & HCI_2DH1))
+ selected_phys |= MGMT_PHY_EDR_2M_1SLOT;
+
+ if (lmp_edr_3slot_capable(hdev) &&
+ !(hdev->pkt_type & HCI_2DH3))
+ selected_phys |= MGMT_PHY_EDR_2M_3SLOT;
+
+ if (lmp_edr_5slot_capable(hdev) &&
+ !(hdev->pkt_type & HCI_2DH5))
+ selected_phys |= MGMT_PHY_EDR_2M_5SLOT;
+
+ if (lmp_edr_3m_capable(hdev)) {
+ if (!(hdev->pkt_type & HCI_3DH1))
+ selected_phys |= MGMT_PHY_EDR_3M_1SLOT;
+
+ if (lmp_edr_3slot_capable(hdev) &&
+ !(hdev->pkt_type & HCI_3DH3))
+ selected_phys |= MGMT_PHY_EDR_3M_3SLOT;
+
+ if (lmp_edr_5slot_capable(hdev) &&
+ !(hdev->pkt_type & HCI_3DH5))
+ selected_phys |= MGMT_PHY_EDR_3M_5SLOT;
+ }
+ }
+ }
+
+ if (lmp_le_capable(hdev)) {
+ if (hdev->le_tx_def_phys & HCI_LE_SET_PHY_1M)
+ selected_phys |= MGMT_PHY_LE_1M_TX;
+
+ if (hdev->le_rx_def_phys & HCI_LE_SET_PHY_1M)
+ selected_phys |= MGMT_PHY_LE_1M_RX;
+
+ if (hdev->le_tx_def_phys & HCI_LE_SET_PHY_2M)
+ selected_phys |= MGMT_PHY_LE_2M_TX;
+
+ if (hdev->le_rx_def_phys & HCI_LE_SET_PHY_2M)
+ selected_phys |= MGMT_PHY_LE_2M_RX;
+
+ if (hdev->le_tx_def_phys & HCI_LE_SET_PHY_CODED)
+ selected_phys |= MGMT_PHY_LE_CODED_TX;
+
+ if (hdev->le_rx_def_phys & HCI_LE_SET_PHY_CODED)
+ selected_phys |= MGMT_PHY_LE_CODED_RX;
+ }
+
+ return selected_phys;
+}
+
+static u32 get_configurable_phys(struct hci_dev *hdev)
+{
+ return (get_supported_phys(hdev) & ~MGMT_PHY_BR_1M_1SLOT &
+ ~MGMT_PHY_LE_1M_TX & ~MGMT_PHY_LE_1M_RX);
+}
+
static u32 get_supported_settings(struct hci_dev *hdev)
{
u32 settings = 0;
@@ -654,6 +775,8 @@ static u32 get_supported_settings(struct hci_dev *hdev)
hdev->set_bdaddr)
settings |= MGMT_SETTING_CONFIGURATION;
+ settings |= MGMT_SETTING_PHY_CONFIGURATION;
+
return settings;
}
@@ -3184,6 +3307,27 @@ static int set_appearance(struct sock *sk, struct hci_dev *hdev, void *data,
return err;
}
+static int get_phy_configuration(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_rp_get_phy_confguration rp;
+
+ BT_DBG("sock %p %s", sk, hdev->name);
+
+ hci_dev_lock(hdev);
+
+ memset(&rp, 0, sizeof(rp));
+
+ rp.supported_phys = cpu_to_le32(get_supported_phys(hdev));
+ rp.selected_phys = cpu_to_le32(get_selected_phys(hdev));
+ rp.configurable_phys = cpu_to_le32(get_configurable_phys(hdev));
+
+ hci_dev_unlock(hdev);
+
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_PHY_CONFIGURATION, 0,
+ &rp, sizeof(rp));
+}
+
static void read_local_oob_data_complete(struct hci_dev *hdev, u8 status,
u16 opcode, struct sk_buff *skb)
{
@@ -6544,6 +6688,7 @@ static const struct hci_mgmt_handler mgmt_handlers[] = {
{ read_ext_controller_info,MGMT_READ_EXT_INFO_SIZE,
HCI_MGMT_UNTRUSTED },
{ set_appearance, MGMT_SET_APPEARANCE_SIZE },
+ { get_phy_configuration, MGMT_GET_PHY_CONFIGURATION_SIZE },
};
void mgmt_index_added(struct hci_dev *hdev)
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.