From 3ee7b7cd83900bb711efadbf16fa096a615a1566 Mon Sep 17 00:00:00 2001 From: Luiz Augusto von Dentz Date: Fri, 27 Mar 2020 11:32:15 -0700 Subject: Bluetooth: Add BT_MODE socket option This adds BT_MODE socket option which can be used to set L2CAP modes, including modes only supported over LE which were not supported using the L2CAP_OPTIONS. Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Marcel Holtmann --- include/net/bluetooth/bluetooth.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'include') diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h index 1576353a2773..3fa7b1e3c5d9 100644 --- a/include/net/bluetooth/bluetooth.h +++ b/include/net/bluetooth/bluetooth.h @@ -139,6 +139,14 @@ struct bt_voice { #define BT_PHY_LE_CODED_TX 0x00002000 #define BT_PHY_LE_CODED_RX 0x00004000 +#define BT_MODE 15 + +#define BT_MODE_BASIC 0x00 +#define BT_MODE_ERTM 0x01 +#define BT_MODE_STREAMING 0x02 +#define BT_MODE_LE_FLOWCTL 0x03 +#define BT_MODE_EXT_FLOWCTL 0x04 + __printf(1, 2) void bt_info(const char *fmt, ...); __printf(1, 2) -- cgit v1.2.3 From 1f8330ea1692c9c490b1e566e31d96d8cef99dd8 Mon Sep 17 00:00:00 2001 From: Sathish Narsimman Date: Fri, 3 Apr 2020 21:43:58 +0200 Subject: Bluetooth: add support to notify using SCO air mode notifying using HCI_NOTIFY_CONN_ADD for SCO connection is generic in case of mSBC audio. To differntiate SCO air mode introducing HCI_NOTIFY_ENABLE_SCO_CVSD and HCI_NOTIFY_ENABLE_SCO_TRANSP. Signed-off-by: Sathish Narsimman Signed-off-by: Marcel Holtmann Signed-off-by: Johan Hedberg --- include/net/bluetooth/hci.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include') diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index 5f60e135aeb6..9ff2f7a9e131 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -53,6 +53,9 @@ #define HCI_NOTIFY_CONN_ADD 1 #define HCI_NOTIFY_CONN_DEL 2 #define HCI_NOTIFY_VOICE_SETTING 3 +#define HCI_NOTIFY_ENABLE_SCO_CVSD 4 +#define HCI_NOTIFY_ENABLE_SCO_TRANSP 5 +#define HCI_NOTIFY_DISABLE_SCO 6 /* HCI bus types */ #define HCI_VIRTUAL 0 -- cgit v1.2.3 From 145373cb1b1fcdba2059e945d0aa2613af2e84d1 Mon Sep 17 00:00:00 2001 From: Miao-chen Chou Date: Fri, 3 Apr 2020 21:44:01 +0200 Subject: Bluetooth: Add framework for Microsoft vendor extension Micrsoft defined a set for HCI vendor extensions. Check the following link for details: https://docs.microsoft.com/en-us/windows-hardware/drivers/bluetooth/microsoft-defined-bluetooth-hci-commands-and-events This provides the basic framework to enable the extension and read its supported features. Drivers still have to declare support for this extension before it can be utilized by the host stack. Signed-off-by: Miao-chen Chou Signed-off-by: Marcel Holtmann Signed-off-by: Johan Hedberg --- include/net/bluetooth/hci_core.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'include') diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index d4e28773d378..3cb0f82d0c83 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -484,6 +484,11 @@ struct hci_dev { struct led_trigger *power_led; #endif +#if IS_ENABLED(CONFIG_BT_MSFTEXT) + __u16 msft_opcode; + void *msft_data; +#endif + int (*open)(struct hci_dev *hdev); int (*close)(struct hci_dev *hdev); int (*flush)(struct hci_dev *hdev); @@ -1116,6 +1121,14 @@ int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...); __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...); + +static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode) +{ +#if IS_ENABLED(CONFIG_BT_MSFTEXT) + hdev->msft_opcode = opcode; +#endif +} + int hci_dev_open(__u16 dev); int hci_dev_close(__u16 dev); int hci_dev_do_close(struct hci_dev *hdev); -- cgit v1.2.3 From a479036041d6a1bcf98f72b16a425e8d45e20ae9 Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Fri, 3 Apr 2020 21:44:04 +0200 Subject: Bluetooth: Add support for Read Local Simple Pairing Options With the Read Local Simple Pairing Options command it is possible to retrieve the support for max encryption key size supported by the controller and also if the controller correctly verifies the ECDH public key during pairing. Signed-off-by: Marcel Holtmann Reviewed-by: Alain Michaud Signed-off-by: Johan Hedberg --- include/net/bluetooth/hci.h | 7 +++++++ include/net/bluetooth/hci_core.h | 2 ++ 2 files changed, 9 insertions(+) (limited to 'include') diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index 9ff2f7a9e131..086a9e9d5d03 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -1275,6 +1275,13 @@ struct hci_rp_read_data_block_size { #define HCI_OP_READ_LOCAL_CODECS 0x100b +#define HCI_OP_READ_LOCAL_PAIRING_OPTS 0x100c +struct hci_rp_read_local_pairing_opts { + __u8 status; + __u8 pairing_opts; + __u8 max_key_size; +} __packed; + #define HCI_OP_READ_PAGE_SCAN_ACTIVITY 0x0c1b struct hci_rp_read_page_scan_activity { __u8 status; diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 3cb0f82d0c83..2f3275f1d1c4 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -312,6 +312,8 @@ struct hci_dev { __u16 conn_info_max_age; __u16 auth_payload_timeout; __u8 min_enc_key_size; + __u8 max_enc_key_size; + __u8 pairing_opts; __u8 ssp_debug_mode; __u8 hw_error_code; __u32 clock; -- cgit v1.2.3 From bc292258c580a82c9baef0a64f66971e010a40a9 Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Fri, 3 Apr 2020 21:44:05 +0200 Subject: Bluetooth: Add support for reading security information To allow userspace to make correcty security policy decision, the kernel needs to export a few details of the supported security features and encryption key size information. This command exports this information and also allows future extensions if needed. Signed-off-by: Marcel Holtmann Reviewed-by: Alain Michaud Signed-off-by: Johan Hedberg --- include/net/bluetooth/mgmt.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'include') diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h index f41cd87550dc..65dd6fd1fff3 100644 --- a/include/net/bluetooth/mgmt.h +++ b/include/net/bluetooth/mgmt.h @@ -674,6 +674,13 @@ struct mgmt_cp_set_blocked_keys { #define MGMT_OP_SET_WIDEBAND_SPEECH 0x0047 +#define MGMT_OP_READ_SECURITY_INFO 0x0048 +#define MGMT_READ_SECURITY_INFO_SIZE 0 +struct mgmt_rp_read_security_info { + __le16 sec_len; + __u8 sec[0]; +} __packed; + #define MGMT_EV_CMD_COMPLETE 0x0001 struct mgmt_ev_cmd_complete { __le16 opcode; -- cgit v1.2.3 From d2a3f5f4635b7b0df8d4cd04ee0c75886ef699b9 Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Fri, 3 Apr 2020 21:44:07 +0200 Subject: Bluetooth: Add HCI device identifier for VIRTIO devices This patch assigns the next free HCI device identifier to Bluetooth devices based on VIRTIO devices. Signed-off-by: Marcel Holtmann Signed-off-by: Johan Hedberg --- include/net/bluetooth/hci.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include') diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index 086a9e9d5d03..79de2a659dd6 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -68,6 +68,7 @@ #define HCI_SPI 7 #define HCI_I2C 8 #define HCI_SMD 9 +#define HCI_VIRTIO 10 /* HCI controller types */ #define HCI_PRIMARY 0x00 -- cgit v1.2.3 From c2aa30db744d9cbdde127d4ed8aeea18273834c6 Mon Sep 17 00:00:00 2001 From: Archie Pusaka Date: Tue, 7 Apr 2020 12:26:27 +0800 Subject: Bluetooth: debugfs option to unset MITM flag The BT qualification test SM/MAS/PKE/BV-01-C needs us to turn off the MITM flag when pairing, and at the same time also set the io capability to something other than no input no output. Currently the MITM flag is only unset when the io capability is set to no input no output, therefore the test cannot be executed. This patch introduces a debugfs option to force MITM flag to be turned off. Signed-off-by: Archie Pusaka Signed-off-by: Marcel Holtmann --- include/net/bluetooth/hci.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include') diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index 79de2a659dd6..f4e8e2a0b7c1 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -298,6 +298,7 @@ enum { HCI_FORCE_STATIC_ADDR, HCI_LL_RPA_RESOLUTION, HCI_CMD_PENDING, + HCI_FORCE_NO_MITM, __HCI_NUM_FLAGS, }; -- cgit v1.2.3 From 55beec10710d10cb4a1cbbc5b1a0d9c9cfbd2c1e Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Thu, 9 Apr 2020 08:05:47 +0200 Subject: Bluetooth: Sort list of LE features constants The list of LE features constants has gotten a bit confused. It lost the order and gained duplicated. Clean this up. Signed-off-by: Marcel Holtmann Signed-off-by: Johan Hedberg --- include/net/bluetooth/hci.h | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'include') diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index f4e8e2a0b7c1..ff42d05b3e72 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -460,12 +460,10 @@ enum { #define HCI_LE_SLAVE_FEATURES 0x08 #define HCI_LE_PING 0x10 #define HCI_LE_DATA_LEN_EXT 0x20 -#define HCI_LE_PHY_2M 0x01 -#define HCI_LE_PHY_CODED 0x08 -#define HCI_LE_EXT_ADV 0x10 #define HCI_LE_EXT_SCAN_POLICY 0x80 #define HCI_LE_PHY_2M 0x01 #define HCI_LE_PHY_CODED 0x08 +#define HCI_LE_EXT_ADV 0x10 #define HCI_LE_CHAN_SEL_ALG2 0x40 #define HCI_LE_CIS_MASTER 0x10 #define HCI_LE_CIS_SLAVE 0x20 -- cgit v1.2.3 From ff3b8df2bd758d97aa3dd7c021864be05fec9bd5 Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Thu, 9 Apr 2020 08:05:49 +0200 Subject: Bluetooth: Enable LE Enhanced Connection Complete event. In case LL Privacy is supported by the controller, it is also a good idea to use the LE Enhanced Connection Complete event for getting all information about the new connection and its addresses. Signed-off-by: Marcel Holtmann Signed-off-by: Johan Hedberg --- include/net/bluetooth/hci.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include') diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index ff42d05b3e72..1da8cec8e210 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -460,6 +460,7 @@ enum { #define HCI_LE_SLAVE_FEATURES 0x08 #define HCI_LE_PING 0x10 #define HCI_LE_DATA_LEN_EXT 0x20 +#define HCI_LE_LL_PRIVACY 0x40 #define HCI_LE_EXT_SCAN_POLICY 0x80 #define HCI_LE_PHY_2M 0x01 #define HCI_LE_PHY_CODED 0x08 -- cgit v1.2.3 From 2eb71a3a68c387274cfc1bc43eac25138add528d Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Thu, 9 Apr 2020 08:05:50 +0200 Subject: Bluetooth: Clear HCI_LL_RPA_RESOLUTION flag on reset When the controller is being reset or power cycled, then the flag HCI_LL_RPA_RESOLUTION which indicates if controller based address resolution is active needs to be also reset. Signed-off-by: Marcel Holtmann Signed-off-by: Johan Hedberg --- include/net/bluetooth/hci_core.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include') diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 2f3275f1d1c4..239ab72f16c6 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -645,6 +645,7 @@ extern struct mutex hci_cb_list_lock; do { \ hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ hci_dev_clear_flag(hdev, HCI_LE_ADV); \ + hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\ hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ } while (0) -- cgit v1.2.3