diff options
Diffstat (limited to 'net/bluetooth/hci_event.c')
| -rw-r--r-- | net/bluetooth/hci_event.c | 3432 |
1 files changed, 2966 insertions, 466 deletions
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 84093b0000b..640c54ec1bd 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -24,26 +24,14 @@ /* Bluetooth HCI event handling. */ -#include <linux/module.h> - -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/poll.h> -#include <linux/fcntl.h> -#include <linux/init.h> -#include <linux/skbuff.h> -#include <linux/interrupt.h> -#include <linux/notifier.h> -#include <net/sock.h> - -#include <asm/system.h> -#include <asm/uaccess.h> #include <asm/unaligned.h> #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> +#include <net/bluetooth/mgmt.h> + +#include "a2mp.h" +#include "amp.h" /* Handle HCI Event packets */ @@ -51,33 +39,50 @@ static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (status) return; clear_bit(HCI_INQUIRY, &hdev->flags); + smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */ + wake_up_bit(&hdev->flags, HCI_INQUIRY); - hci_req_complete(hdev, status); + hci_dev_lock(hdev); + hci_discovery_set_state(hdev, DISCOVERY_STOPPED); + hci_dev_unlock(hdev); hci_conn_check_pending(hdev); } +static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb) +{ + __u8 status = *((__u8 *) skb->data); + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + if (status) + return; + + set_bit(HCI_PERIODIC_INQ, &hdev->dev_flags); +} + static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (status) return; - clear_bit(HCI_INQUIRY, &hdev->flags); + clear_bit(HCI_PERIODIC_INQ, &hdev->dev_flags); hci_conn_check_pending(hdev); } -static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev, + struct sk_buff *skb) { BT_DBG("%s", hdev->name); } @@ -87,7 +92,7 @@ static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb) struct hci_rp_role_discovery *rp = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -110,7 +115,7 @@ static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb) struct hci_rp_read_link_policy *rp = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -130,7 +135,7 @@ static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb) struct hci_conn *conn; void *sent; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -148,11 +153,12 @@ static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb) hci_dev_unlock(hdev); } -static void hci_cc_read_def_link_policy(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_cc_read_def_link_policy(struct hci_dev *hdev, + struct sk_buff *skb) { struct hci_rp_read_def_link_policy *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -160,12 +166,13 @@ static void hci_cc_read_def_link_policy(struct hci_dev *hdev, struct sk_buff *sk hdev->link_policy = __le16_to_cpu(rp->policy); } -static void hci_cc_write_def_link_policy(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_cc_write_def_link_policy(struct hci_dev *hdev, + struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY); if (!sent) @@ -173,17 +180,32 @@ static void hci_cc_write_def_link_policy(struct hci_dev *hdev, struct sk_buff *s if (!status) hdev->link_policy = get_unaligned_le16(sent); - - hci_req_complete(hdev, status); } static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + clear_bit(HCI_RESET, &hdev->flags); + + /* Reset all non-persistent flags */ + hdev->dev_flags &= ~HCI_PERSISTENT_MASK; - hci_req_complete(hdev, status); + hdev->discovery.state = DISCOVERY_STOPPED; + hdev->inq_tx_power = HCI_TX_POWER_INVALID; + hdev->adv_tx_power = HCI_TX_POWER_INVALID; + + memset(hdev->adv_data, 0, sizeof(hdev->adv_data)); + hdev->adv_data_len = 0; + + memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data)); + hdev->scan_rsp_data_len = 0; + + hdev->le_scan_type = LE_SCAN_PASSIVE; + + hdev->ssp_debug_mode = 0; } static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb) @@ -191,28 +213,33 @@ static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb) __u8 status = *((__u8 *) skb->data); void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); - - if (status) - return; + BT_DBG("%s status 0x%2.2x", hdev->name, status); sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME); if (!sent) return; - memcpy(hdev->dev_name, sent, 248); + hci_dev_lock(hdev); + + if (test_bit(HCI_MGMT, &hdev->dev_flags)) + mgmt_set_local_name_complete(hdev, sent, status); + else if (!status) + memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH); + + hci_dev_unlock(hdev); } static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_read_local_name *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; - memcpy(hdev->dev_name, rp->name, 248); + if (test_bit(HCI_SETUP, &hdev->dev_flags)) + memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH); } static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb) @@ -220,7 +247,7 @@ static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb) __u8 status = *((__u8 *) skb->data); void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE); if (!sent) @@ -235,7 +262,8 @@ static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb) clear_bit(HCI_AUTH, &hdev->flags); } - hci_req_complete(hdev, status); + if (test_bit(HCI_MGMT, &hdev->dev_flags)) + mgmt_auth_enable_complete(hdev, status); } static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb) @@ -243,7 +271,7 @@ static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb) __u8 status = *((__u8 *) skb->data); void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE); if (!sent) @@ -257,42 +285,61 @@ static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb) else clear_bit(HCI_ENCRYPT, &hdev->flags); } - - hci_req_complete(hdev, status); } static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb) { - __u8 status = *((__u8 *) skb->data); + __u8 param, status = *((__u8 *) skb->data); + int old_pscan, old_iscan; void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE); if (!sent) return; - if (!status) { - __u8 param = *((__u8 *) sent); - - clear_bit(HCI_PSCAN, &hdev->flags); - clear_bit(HCI_ISCAN, &hdev->flags); + param = *((__u8 *) sent); - if (param & SCAN_INQUIRY) - set_bit(HCI_ISCAN, &hdev->flags); + hci_dev_lock(hdev); - if (param & SCAN_PAGE) - set_bit(HCI_PSCAN, &hdev->flags); + if (status) { + mgmt_write_scan_failed(hdev, param, status); + hdev->discov_timeout = 0; + goto done; } - hci_req_complete(hdev, status); + /* We need to ensure that we set this back on if someone changed + * the scan mode through a raw HCI socket. + */ + set_bit(HCI_BREDR_ENABLED, &hdev->dev_flags); + + old_pscan = test_and_clear_bit(HCI_PSCAN, &hdev->flags); + old_iscan = test_and_clear_bit(HCI_ISCAN, &hdev->flags); + + if (param & SCAN_INQUIRY) { + set_bit(HCI_ISCAN, &hdev->flags); + if (!old_iscan) + mgmt_discoverable(hdev, 1); + } else if (old_iscan) + mgmt_discoverable(hdev, 0); + + if (param & SCAN_PAGE) { + set_bit(HCI_PSCAN, &hdev->flags); + if (!old_pscan) + mgmt_connectable(hdev, 1); + } else if (old_pscan) + mgmt_connectable(hdev, 0); + +done: + hci_dev_unlock(hdev); } static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_read_class_of_dev *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -300,7 +347,7 @@ static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) memcpy(hdev->dev_class, rp->dev_class, 3); BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name, - hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]); + hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]); } static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) @@ -308,16 +355,21 @@ static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) __u8 status = *((__u8 *) skb->data); void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); - - if (status) - return; + BT_DBG("%s status 0x%2.2x", hdev->name, status); sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV); if (!sent) return; - memcpy(hdev->dev_class, sent, 3); + hci_dev_lock(hdev); + + if (status == 0) + memcpy(hdev->dev_class, sent, 3); + + if (test_bit(HCI_MGMT, &hdev->dev_flags)) + mgmt_set_class_of_dev_complete(hdev, sent, status); + + hci_dev_unlock(hdev); } static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb) @@ -325,7 +377,7 @@ static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb) struct hci_rp_read_voice_setting *rp = (void *) skb->data; __u16 setting; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -337,22 +389,20 @@ static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb) hdev->voice_setting = setting; - BT_DBG("%s voice setting 0x%04x", hdev->name, setting); + BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting); - if (hdev->notify) { - tasklet_disable(&hdev->tx_task); + if (hdev->notify) hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); - tasklet_enable(&hdev->tx_task); - } } -static void hci_cc_write_voice_setting(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_cc_write_voice_setting(struct hci_dev *hdev, + struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); __u16 setting; void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (status) return; @@ -368,88 +418,121 @@ static void hci_cc_write_voice_setting(struct hci_dev *hdev, struct sk_buff *skb hdev->voice_setting = setting; - BT_DBG("%s voice setting 0x%04x", hdev->name, setting); + BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting); - if (hdev->notify) { - tasklet_disable(&hdev->tx_task); + if (hdev->notify) hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); - tasklet_enable(&hdev->tx_task); - } } -static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_cc_read_num_supported_iac(struct hci_dev *hdev, + struct sk_buff *skb) { - __u8 status = *((__u8 *) skb->data); - - BT_DBG("%s status 0x%x", hdev->name, status); + struct hci_rp_read_num_supported_iac *rp = (void *) skb->data; - hci_req_complete(hdev, status); -} - -static void hci_cc_read_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_rp_read_ssp_mode *rp = (void *) skb->data; - - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; - hdev->ssp_mode = rp->mode; + hdev->num_iac = rp->num_iac; + + BT_DBG("%s num iac %d", hdev->name, hdev->num_iac); } static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - void *sent; + struct hci_cp_write_ssp_mode *sent; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); - if (status) + sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE); + if (!sent) return; - sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE); + if (!status) { + if (sent->mode) + hdev->features[1][0] |= LMP_HOST_SSP; + else + hdev->features[1][0] &= ~LMP_HOST_SSP; + } + + if (test_bit(HCI_MGMT, &hdev->dev_flags)) + mgmt_ssp_enable_complete(hdev, sent->mode, status); + else if (!status) { + if (sent->mode) + set_bit(HCI_SSP_ENABLED, &hdev->dev_flags); + else + clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags); + } +} + +static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb) +{ + u8 status = *((u8 *) skb->data); + struct hci_cp_write_sc_support *sent; + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT); if (!sent) return; - hdev->ssp_mode = *((__u8 *) sent); + if (!status) { + if (sent->support) + hdev->features[1][0] |= LMP_HOST_SC; + else + hdev->features[1][0] &= ~LMP_HOST_SC; + } + + if (test_bit(HCI_MGMT, &hdev->dev_flags)) + mgmt_sc_enable_complete(hdev, sent->support, status); + else if (!status) { + if (sent->support) + set_bit(HCI_SC_ENABLED, &hdev->dev_flags); + else + clear_bit(HCI_SC_ENABLED, &hdev->dev_flags); + } } static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_read_local_version *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; - hdev->hci_ver = rp->hci_ver; - hdev->hci_rev = __le16_to_cpu(rp->hci_rev); - hdev->manufacturer = __le16_to_cpu(rp->manufacturer); - - BT_DBG("%s manufacturer %d hci ver %d:%d", hdev->name, - hdev->manufacturer, - hdev->hci_ver, hdev->hci_rev); + if (test_bit(HCI_SETUP, &hdev->dev_flags)) { + hdev->hci_ver = rp->hci_ver; + hdev->hci_rev = __le16_to_cpu(rp->hci_rev); + hdev->lmp_ver = rp->lmp_ver; + hdev->manufacturer = __le16_to_cpu(rp->manufacturer); + hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver); + } } -static void hci_cc_read_local_commands(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_cc_read_local_commands(struct hci_dev *hdev, + struct sk_buff *skb) { struct hci_rp_read_local_commands *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; - memcpy(hdev->commands, rp->commands, sizeof(hdev->commands)); + if (test_bit(HCI_SETUP, &hdev->dev_flags)) + memcpy(hdev->commands, rp->commands, sizeof(hdev->commands)); } -static void hci_cc_read_local_features(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_cc_read_local_features(struct hci_dev *hdev, + struct sk_buff *skb) { struct hci_rp_read_local_features *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -459,52 +542,74 @@ static void hci_cc_read_local_features(struct hci_dev *hdev, struct sk_buff *skb /* Adjust default settings according to features * supported by device. */ - if (hdev->features[0] & LMP_3SLOT) + if (hdev->features[0][0] & LMP_3SLOT) hdev->pkt_type |= (HCI_DM3 | HCI_DH3); - if (hdev->features[0] & LMP_5SLOT) + if (hdev->features[0][0] & LMP_5SLOT) hdev->pkt_type |= (HCI_DM5 | HCI_DH5); - if (hdev->features[1] & LMP_HV2) { + if (hdev->features[0][1] & LMP_HV2) { hdev->pkt_type |= (HCI_HV2); hdev->esco_type |= (ESCO_HV2); } - if (hdev->features[1] & LMP_HV3) { + if (hdev->features[0][1] & LMP_HV3) { hdev->pkt_type |= (HCI_HV3); hdev->esco_type |= (ESCO_HV3); } - if (hdev->features[3] & LMP_ESCO) + if (lmp_esco_capable(hdev)) hdev->esco_type |= (ESCO_EV3); - if (hdev->features[4] & LMP_EV4) + if (hdev->features[0][4] & LMP_EV4) hdev->esco_type |= (ESCO_EV4); - if (hdev->features[4] & LMP_EV5) + if (hdev->features[0][4] & LMP_EV5) hdev->esco_type |= (ESCO_EV5); - if (hdev->features[5] & LMP_EDR_ESCO_2M) + if (hdev->features[0][5] & LMP_EDR_ESCO_2M) hdev->esco_type |= (ESCO_2EV3); - if (hdev->features[5] & LMP_EDR_ESCO_3M) + if (hdev->features[0][5] & LMP_EDR_ESCO_3M) hdev->esco_type |= (ESCO_3EV3); - if (hdev->features[5] & LMP_EDR_3S_ESCO) + if (hdev->features[0][5] & LMP_EDR_3S_ESCO) hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5); +} + +static void hci_cc_read_local_ext_features(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_read_local_ext_features *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + if (rp->status) + return; - BT_DBG("%s features 0x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x", hdev->name, - hdev->features[0], hdev->features[1], - hdev->features[2], hdev->features[3], - hdev->features[4], hdev->features[5], - hdev->features[6], hdev->features[7]); + if (hdev->max_page < rp->max_page) + hdev->max_page = rp->max_page; + + if (rp->page < HCI_MAX_PAGES) + memcpy(hdev->features[rp->page], rp->features, 8); +} + +static void hci_cc_read_flow_control_mode(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_read_flow_control_mode *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + if (!rp->status) + hdev->flow_ctl_mode = rp->mode; } static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_read_buffer_size *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -522,41 +627,699 @@ static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) hdev->acl_cnt = hdev->acl_pkts; hdev->sco_cnt = hdev->sco_pkts; - BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, - hdev->acl_mtu, hdev->acl_pkts, - hdev->sco_mtu, hdev->sco_pkts); + BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu, + hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts); } static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_read_bd_addr *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (!rp->status) bacpy(&hdev->bdaddr, &rp->bdaddr); +} + +static void hci_cc_read_page_scan_activity(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_read_page_scan_activity *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); - hci_req_complete(hdev, rp->status); + if (test_bit(HCI_INIT, &hdev->flags) && !rp->status) { + hdev->page_scan_interval = __le16_to_cpu(rp->interval); + hdev->page_scan_window = __le16_to_cpu(rp->window); + } } -static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) +static void hci_cc_write_page_scan_activity(struct hci_dev *hdev, + struct sk_buff *skb) { - BT_DBG("%s status 0x%x", hdev->name, status); + u8 status = *((u8 *) skb->data); + struct hci_cp_write_page_scan_activity *sent; - if (status) { - hci_req_complete(hdev, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + if (status) + return; + + sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY); + if (!sent) + return; + + hdev->page_scan_interval = __le16_to_cpu(sent->interval); + hdev->page_scan_window = __le16_to_cpu(sent->window); +} + +static void hci_cc_read_page_scan_type(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_read_page_scan_type *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + if (test_bit(HCI_INIT, &hdev->flags) && !rp->status) + hdev->page_scan_type = rp->type; +} + +static void hci_cc_write_page_scan_type(struct hci_dev *hdev, + struct sk_buff *skb) +{ + u8 status = *((u8 *) skb->data); + u8 *type; + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + if (status) + return; + + type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE); + if (type) + hdev->page_scan_type = *type; +} + +static void hci_cc_read_data_block_size(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_read_data_block_size *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + if (rp->status) + return; + + hdev->block_mtu = __le16_to_cpu(rp->max_acl_len); + hdev->block_len = __le16_to_cpu(rp->block_len); + hdev->num_blocks = __le16_to_cpu(rp->num_blocks); + + hdev->block_cnt = hdev->num_blocks; + + BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu, + hdev->block_cnt, hdev->block_len); +} + +static void hci_cc_read_local_amp_info(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_read_local_amp_info *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + if (rp->status) + goto a2mp_rsp; + + hdev->amp_status = rp->amp_status; + hdev->amp_total_bw = __le32_to_cpu(rp->total_bw); + hdev->amp_max_bw = __le32_to_cpu(rp->max_bw); + hdev->amp_min_latency = __le32_to_cpu(rp->min_latency); + hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu); + hdev->amp_type = rp->amp_type; + hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap); + hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size); + hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to); + hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to); + +a2mp_rsp: + a2mp_send_getinfo_rsp(hdev); +} + +static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data; + struct amp_assoc *assoc = &hdev->loc_assoc; + size_t rem_len, frag_len; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + if (rp->status) + goto a2mp_rsp; + + frag_len = skb->len - sizeof(*rp); + rem_len = __le16_to_cpu(rp->rem_len); + + if (rem_len > frag_len) { + BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len); + + memcpy(assoc->data + assoc->offset, rp->frag, frag_len); + assoc->offset += frag_len; + + /* Read other fragments */ + amp_read_loc_assoc_frag(hdev, rp->phy_handle); + + return; + } + + memcpy(assoc->data + assoc->offset, rp->frag, rem_len); + assoc->len = assoc->offset + rem_len; + assoc->offset = 0; + +a2mp_rsp: + /* Send A2MP Rsp when all fragments are received */ + a2mp_send_getampassoc_rsp(hdev, rp->status); + a2mp_send_create_phy_link_req(hdev, rp->status); +} + +static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + if (!rp->status) + hdev->inq_tx_power = rp->tx_power; +} + +static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_rp_pin_code_reply *rp = (void *) skb->data; + struct hci_cp_pin_code_reply *cp; + struct hci_conn *conn; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + hci_dev_lock(hdev); + + if (test_bit(HCI_MGMT, &hdev->dev_flags)) + mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status); + + if (rp->status) + goto unlock; + + cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY); + if (!cp) + goto unlock; + + conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); + if (conn) + conn->pin_length = cp->pin_len; + +unlock: + hci_dev_unlock(hdev); +} + +static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + hci_dev_lock(hdev); + + if (test_bit(HCI_MGMT, &hdev->dev_flags)) + mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr, + rp->status); + + hci_dev_unlock(hdev); +} + +static void hci_cc_le_read_buffer_size(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_le_read_buffer_size *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + if (rp->status) + return; + + hdev->le_mtu = __le16_to_cpu(rp->le_mtu); + hdev->le_pkts = rp->le_max_pkt; + + hdev->le_cnt = hdev->le_pkts; + + BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts); +} + +static void hci_cc_le_read_local_features(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_le_read_local_features *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + if (!rp->status) + memcpy(hdev->le_features, rp->features, 8); +} + +static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + if (!rp->status) + hdev->adv_tx_power = rp->tx_power; +} + +static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_rp_user_confirm_reply *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + hci_dev_lock(hdev); + + if (test_bit(HCI_MGMT, &hdev->dev_flags)) + mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0, + rp->status); + + hci_dev_unlock(hdev); +} + +static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_user_confirm_reply *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + hci_dev_lock(hdev); + + if (test_bit(HCI_MGMT, &hdev->dev_flags)) + mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr, + ACL_LINK, 0, rp->status); + + hci_dev_unlock(hdev); +} + +static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_rp_user_confirm_reply *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + hci_dev_lock(hdev); + + if (test_bit(HCI_MGMT, &hdev->dev_flags)) + mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK, + 0, rp->status); + + hci_dev_unlock(hdev); +} + +static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_user_confirm_reply *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + hci_dev_lock(hdev); + + if (test_bit(HCI_MGMT, &hdev->dev_flags)) + mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr, + ACL_LINK, 0, rp->status); + + hci_dev_unlock(hdev); +} + +static void hci_cc_read_local_oob_data(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_read_local_oob_data *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + hci_dev_lock(hdev); + mgmt_read_local_oob_data_complete(hdev, rp->hash, rp->randomizer, + NULL, NULL, rp->status); + hci_dev_unlock(hdev); +} + +static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + hci_dev_lock(hdev); + mgmt_read_local_oob_data_complete(hdev, rp->hash192, rp->randomizer192, + rp->hash256, rp->randomizer256, + rp->status); + hci_dev_unlock(hdev); +} + + +static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb) +{ + __u8 status = *((__u8 *) skb->data); + bdaddr_t *sent; + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR); + if (!sent) + return; + + hci_dev_lock(hdev); + + if (!status) + bacpy(&hdev->random_addr, sent); + + hci_dev_unlock(hdev); +} + +static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb) +{ + __u8 *sent, status = *((__u8 *) skb->data); + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE); + if (!sent) + return; + + if (status) + return; + + hci_dev_lock(hdev); + + /* If we're doing connection initation as peripheral. Set a + * timeout in case something goes wrong. + */ + if (*sent) { + struct hci_conn *conn; + + conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT); + if (conn) + queue_delayed_work(hdev->workqueue, + &conn->le_conn_timeout, + HCI_LE_CONN_TIMEOUT); + } + + mgmt_advertising(hdev, *sent); + + hci_dev_unlock(hdev); +} + +static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_cp_le_set_scan_param *cp; + __u8 status = *((__u8 *) skb->data); + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM); + if (!cp) + return; + + hci_dev_lock(hdev); + + if (!status) + hdev->le_scan_type = cp->type; + + hci_dev_unlock(hdev); +} + +static bool has_pending_adv_report(struct hci_dev *hdev) +{ + struct discovery_state *d = &hdev->discovery; + + return bacmp(&d->last_adv_addr, BDADDR_ANY); +} + +static void clear_pending_adv_report(struct hci_dev *hdev) +{ + struct discovery_state *d = &hdev->discovery; + + bacpy(&d->last_adv_addr, BDADDR_ANY); + d->last_adv_data_len = 0; +} + +static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 bdaddr_type, s8 rssi, u8 *data, u8 len) +{ + struct discovery_state *d = &hdev->discovery; + + bacpy(&d->last_adv_addr, bdaddr); + d->last_adv_addr_type = bdaddr_type; + d->last_adv_rssi = rssi; + memcpy(d->last_adv_data, data, len); + d->last_adv_data_len = len; +} + +static void hci_cc_le_set_scan_enable(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_cp_le_set_scan_enable *cp; + __u8 status = *((__u8 *) skb->data); + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE); + if (!cp) + return; + + if (status) + return; + + switch (cp->enable) { + case LE_SCAN_ENABLE: + set_bit(HCI_LE_SCAN, &hdev->dev_flags); + if (hdev->le_scan_type == LE_SCAN_ACTIVE) + clear_pending_adv_report(hdev); + break; + + case LE_SCAN_DISABLE: + /* We do this here instead of when setting DISCOVERY_STOPPED + * since the latter would potentially require waiting for + * inquiry to stop too. + */ + if (has_pending_adv_report(hdev)) { + struct discovery_state *d = &hdev->discovery; + + mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK, + d->last_adv_addr_type, NULL, + d->last_adv_rssi, 0, 1, + d->last_adv_data, + d->last_adv_data_len, NULL, 0); + } + + /* Cancel this timer so that we don't try to disable scanning + * when it's already disabled. + */ + cancel_delayed_work(&hdev->le_scan_disable); + + clear_bit(HCI_LE_SCAN, &hdev->dev_flags); + /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we + * interrupted scanning due to a connect request. Mark + * therefore discovery as stopped. + */ + if (test_and_clear_bit(HCI_LE_SCAN_INTERRUPTED, + &hdev->dev_flags)) + hci_discovery_set_state(hdev, DISCOVERY_STOPPED); + break; + default: + BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable); + break; + } +} + +static void hci_cc_le_read_white_list_size(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_le_read_white_list_size *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size); + + if (!rp->status) + hdev->le_white_list_size = rp->size; +} + +static void hci_cc_le_clear_white_list(struct hci_dev *hdev, + struct sk_buff *skb) +{ + __u8 status = *((__u8 *) skb->data); + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + if (!status) + hci_white_list_clear(hdev); +} + +static void hci_cc_le_add_to_white_list(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_cp_le_add_to_white_list *sent; + __u8 status = *((__u8 *) skb->data); + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST); + if (!sent) + return; + + if (!status) + hci_white_list_add(hdev, &sent->bdaddr, sent->bdaddr_type); +} + +static void hci_cc_le_del_from_white_list(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_cp_le_del_from_white_list *sent; + __u8 status = *((__u8 *) skb->data); + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST); + if (!sent) + return; + + if (!status) + hci_white_list_del(hdev, &sent->bdaddr, sent->bdaddr_type); +} + +static void hci_cc_le_read_supported_states(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_le_read_supported_states *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + if (!rp->status) + memcpy(hdev->le_states, rp->le_states, 8); +} + +static void hci_cc_write_le_host_supported(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_cp_write_le_host_supported *sent; + __u8 status = *((__u8 *) skb->data); + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED); + if (!sent) + return; + + if (!status) { + if (sent->le) { + hdev->features[1][0] |= LMP_HOST_LE; + set_bit(HCI_LE_ENABLED, &hdev->dev_flags); + } else { + hdev->features[1][0] &= ~LMP_HOST_LE; + clear_bit(HCI_LE_ENABLED, &hdev->dev_flags); + clear_bit(HCI_ADVERTISING, &hdev->dev_flags); + } + + if (sent->simul) + hdev->features[1][0] |= LMP_HOST_LE_BREDR; + else + hdev->features[1][0] &= ~LMP_HOST_LE_BREDR; + } +} + +static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_cp_le_set_adv_param *cp; + u8 status = *((u8 *) skb->data); + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + if (status) + return; + + cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM); + if (!cp) + return; + + hci_dev_lock(hdev); + hdev->adv_addr_type = cp->own_address_type; + hci_dev_unlock(hdev); +} + +static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x", + hdev->name, rp->status, rp->phy_handle); + + if (rp->status) + return; + + amp_write_rem_assoc_continue(hdev, rp->phy_handle); +} + +static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_rp_read_rssi *rp = (void *) skb->data; + struct hci_conn *conn; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + if (rp->status) + return; + + hci_dev_lock(hdev); + + conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); + if (conn) + conn->rssi = rp->rssi; + + hci_dev_unlock(hdev); +} + +static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_cp_read_tx_power *sent; + struct hci_rp_read_tx_power *rp = (void *) skb->data; + struct hci_conn *conn; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + if (rp->status) + return; + + sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER); + if (!sent) + return; + + hci_dev_lock(hdev); + + conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); + if (!conn) + goto unlock; + + switch (sent->type) { + case 0x00: + conn->tx_power = rp->tx_power; + break; + case 0x01: + conn->max_tx_power = rp->tx_power; + break; + } + +unlock: + hci_dev_unlock(hdev); +} + +static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) +{ + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + if (status) { hci_conn_check_pending(hdev); - } else - set_bit(HCI_INQUIRY, &hdev->flags); + return; + } + + set_bit(HCI_INQUIRY, &hdev->flags); } -static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) +static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) { struct hci_cp_create_conn *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN); if (!cp) @@ -566,7 +1329,7 @@ static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); - BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->bdaddr), conn); + BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn); if (status) { if (conn && conn->state == BT_CONNECT) { @@ -581,7 +1344,7 @@ static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) if (!conn) { conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr); if (conn) { - conn->out = 1; + conn->out = true; conn->link_mode |= HCI_LM_MASTER; } else BT_ERR("No memory for new connection"); @@ -597,7 +1360,7 @@ static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status) struct hci_conn *acl, *sco; __u16 handle; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -608,16 +1371,19 @@ static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status) handle = __le16_to_cpu(cp->handle); - BT_DBG("%s handle %d", hdev->name, handle); + BT_DBG("%s handle 0x%4.4x", hdev->name, handle); hci_dev_lock(hdev); acl = hci_conn_hash_lookup_handle(hdev, handle); - if (acl && (sco = acl->link)) { - sco->state = BT_CLOSED; + if (acl) { + sco = acl->link; + if (sco) { + sco->state = BT_CLOSED; - hci_proto_connect_cfm(sco, status); - hci_conn_del(sco); + hci_proto_connect_cfm(sco, status); + hci_conn_del(sco); + } } hci_dev_unlock(hdev); @@ -628,7 +1394,7 @@ static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status) struct hci_cp_auth_requested *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -643,7 +1409,7 @@ static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status) if (conn) { if (conn->state == BT_CONFIG) { hci_proto_connect_cfm(conn, status); - hci_conn_put(conn); + hci_conn_drop(conn); } } @@ -655,7 +1421,7 @@ static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status) struct hci_cp_set_conn_encrypt *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -670,16 +1436,152 @@ static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status) if (conn) { if (conn->state == BT_CONFIG) { hci_proto_connect_cfm(conn, status); - hci_conn_put(conn); + hci_conn_drop(conn); } } hci_dev_unlock(hdev); } +static int hci_outgoing_auth_needed(struct hci_dev *hdev, + struct hci_conn *conn) +{ + if (conn->state != BT_CONFIG || !conn->out) + return 0; + + if (conn->pending_sec_level == BT_SECURITY_SDP) + return 0; + + /* Only request authentication for SSP connections or non-SSP + * devices with sec_level MEDIUM or HIGH or if MITM protection + * is requested. + */ + if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) && + conn->pending_sec_level != BT_SECURITY_FIPS && + conn->pending_sec_level != BT_SECURITY_HIGH && + conn->pending_sec_level != BT_SECURITY_MEDIUM) + return 0; + + return 1; +} + +static int hci_resolve_name(struct hci_dev *hdev, + struct inquiry_entry *e) +{ + struct hci_cp_remote_name_req cp; + + memset(&cp, 0, sizeof(cp)); + + bacpy(&cp.bdaddr, &e->data.bdaddr); + cp.pscan_rep_mode = e->data.pscan_rep_mode; + cp.pscan_mode = e->data.pscan_mode; + cp.clock_offset = e->data.clock_offset; + + return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); +} + +static bool hci_resolve_next_name(struct hci_dev *hdev) +{ + struct discovery_state *discov = &hdev->discovery; + struct inquiry_entry *e; + + if (list_empty(&discov->resolve)) + return false; + + e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED); + if (!e) + return false; + + if (hci_resolve_name(hdev, e) == 0) { + e->name_state = NAME_PENDING; + return true; + } + + return false; +} + +static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn, + bdaddr_t *bdaddr, u8 *name, u8 name_len) +{ + struct discovery_state *discov = &hdev->discovery; + struct inquiry_entry *e; + + if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) + mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name, + name_len, conn->dev_class); + + if (discov->state == DISCOVERY_STOPPED) + return; + + if (discov->state == DISCOVERY_STOPPING) + goto discov_complete; + + if (discov->state != DISCOVERY_RESOLVING) + return; + + e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING); + /* If the device was not found in a list of found devices names of which + * are pending. there is no need to continue resolving a next name as it + * will be done upon receiving another Remote Name Request Complete + * Event */ + if (!e) + return; + + list_del(&e->list); + if (name) { + e->name_state = NAME_KNOWN; + mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00, + e->data.rssi, name, name_len); + } else { + e->name_state = NAME_NOT_KNOWN; + } + + if (hci_resolve_next_name(hdev)) + return; + +discov_complete: + hci_discovery_set_state(hdev, DISCOVERY_STOPPED); +} + static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status) { - BT_DBG("%s status 0x%x", hdev->name, status); + struct hci_cp_remote_name_req *cp; + struct hci_conn *conn; + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + /* If successful wait for the name req complete event before + * checking for the need to do authentication */ + if (!status) + return; + + cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ); + if (!cp) + return; + + hci_dev_lock(hdev); + + conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); + + if (test_bit(HCI_MGMT, &hdev->dev_flags)) + hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0); + + if (!conn) + goto unlock; + + if (!hci_outgoing_auth_needed(hdev, conn)) + goto unlock; + + if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { + struct hci_cp_auth_requested auth_cp; + + auth_cp.handle = __cpu_to_le16(conn->handle); + hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, + sizeof(auth_cp), &auth_cp); + } + +unlock: + hci_dev_unlock(hdev); } static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status) @@ -687,7 +1589,7 @@ static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status) struct hci_cp_read_remote_features *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -702,7 +1604,7 @@ static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status) if (conn) { if (conn->state == BT_CONFIG) { hci_proto_connect_cfm(conn, status); - hci_conn_put(conn); + hci_conn_drop(conn); } } @@ -714,7 +1616,7 @@ static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status) struct hci_cp_read_remote_ext_features *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -729,7 +1631,7 @@ static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status) if (conn) { if (conn->state == BT_CONFIG) { hci_proto_connect_cfm(conn, status); - hci_conn_put(conn); + hci_conn_drop(conn); } } @@ -742,7 +1644,7 @@ static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status) struct hci_conn *acl, *sco; __u16 handle; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -753,16 +1655,19 @@ static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status) handle = __le16_to_cpu(cp->handle); - BT_DBG("%s handle %d", hdev->name, handle); + BT_DBG("%s handle 0x%4.4x", hdev->name, handle); hci_dev_lock(hdev); acl = hci_conn_hash_lookup_handle(hdev, handle); - if (acl && (sco = acl->link)) { - sco->state = BT_CLOSED; + if (acl) { + sco = acl->link; + if (sco) { + sco->state = BT_CLOSED; - hci_proto_connect_cfm(sco, status); - hci_conn_del(sco); + hci_proto_connect_cfm(sco, status); + hci_conn_del(sco); + } } hci_dev_unlock(hdev); @@ -773,7 +1678,7 @@ static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status) struct hci_cp_sniff_mode *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -786,9 +1691,9 @@ static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status) conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); if (conn) { - clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend); + clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags); - if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->pend)) + if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) hci_sco_setup(conn, status); } @@ -800,7 +1705,7 @@ static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status) struct hci_cp_exit_sniff_mode *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -813,29 +1718,201 @@ static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status) conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); if (conn) { - clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend); + clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags); - if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->pend)) + if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) hci_sco_setup(conn, status); } hci_dev_unlock(hdev); } -static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_cs_disconnect(struct hci_dev *hdev, u8 status) { - __u8 status = *((__u8 *) skb->data); + struct hci_cp_disconnect *cp; + struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, status); + if (!status) + return; - clear_bit(HCI_INQUIRY, &hdev->flags); + cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT); + if (!cp) + return; + + hci_dev_lock(hdev); + + conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); + if (conn) + mgmt_disconnect_failed(hdev, &conn->dst, conn->type, + conn->dst_type, status); + + hci_dev_unlock(hdev); +} + +static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status) +{ + struct hci_cp_create_phy_link *cp; + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK); + if (!cp) + return; + + hci_dev_lock(hdev); + + if (status) { + struct hci_conn *hcon; + + hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle); + if (hcon) + hci_conn_del(hcon); + } else { + amp_write_remote_assoc(hdev, cp->phy_handle); + } + + hci_dev_unlock(hdev); +} + +static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status) +{ + struct hci_cp_accept_phy_link *cp; + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + if (status) + return; + + cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK); + if (!cp) + return; + + amp_write_remote_assoc(hdev, cp->phy_handle); +} + +static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status) +{ + struct hci_cp_le_create_conn *cp; + struct hci_conn *conn; + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + /* All connection failure handling is taken care of by the + * hci_le_conn_failed function which is triggered by the HCI + * request completion callbacks used for connecting. + */ + if (status) + return; + + cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN); + if (!cp) + return; + + hci_dev_lock(hdev); + + conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr); + if (!conn) + goto unlock; + + /* Store the initiator and responder address information which + * is needed for SMP. These values will not change during the + * lifetime of the connection. + */ + conn->init_addr_type = cp->own_address_type; + if (cp->own_address_type == ADDR_LE_DEV_RANDOM) + bacpy(&conn->init_addr, &hdev->random_addr); + else + bacpy(&conn->init_addr, &hdev->bdaddr); + + conn->resp_addr_type = cp->peer_addr_type; + bacpy(&conn->resp_addr, &cp->peer_addr); + + /* We don't want the connection attempt to stick around + * indefinitely since LE doesn't have a page timeout concept + * like BR/EDR. Set a timer for any connection that doesn't use + * the white list for connecting. + */ + if (cp->filter_policy == HCI_LE_USE_PEER_ADDR) + queue_delayed_work(conn->hdev->workqueue, + &conn->le_conn_timeout, + HCI_LE_CONN_TIMEOUT); + +unlock: + hci_dev_unlock(hdev); +} + +static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status) +{ + struct hci_cp_le_start_enc *cp; + struct hci_conn *conn; + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + if (!status) + return; + + hci_dev_lock(hdev); - hci_req_complete(hdev, status); + cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC); + if (!cp) + goto unlock; + + conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); + if (!conn) + goto unlock; + + if (conn->state != BT_CONNECTED) + goto unlock; + + hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); + hci_conn_drop(conn); + +unlock: + hci_dev_unlock(hdev); +} + +static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) +{ + __u8 status = *((__u8 *) skb->data); + struct discovery_state *discov = &hdev->discovery; + struct inquiry_entry *e; + + BT_DBG("%s status 0x%2.2x", hdev->name, status); hci_conn_check_pending(hdev); + + if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags)) + return; + + smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */ + wake_up_bit(&hdev->flags, HCI_INQUIRY); + + if (!test_bit(HCI_MGMT, &hdev->dev_flags)) + return; + + hci_dev_lock(hdev); + + if (discov->state != DISCOVERY_FINDING) + goto unlock; + + if (list_empty(&discov->resolve)) { + hci_discovery_set_state(hdev, DISCOVERY_STOPPED); + goto unlock; + } + + e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED); + if (e && hci_resolve_name(hdev, e) == 0) { + e->name_state = NAME_PENDING; + hci_discovery_set_state(hdev, DISCOVERY_RESOLVING); + } else { + hci_discovery_set_state(hdev, DISCOVERY_STOPPED); + } + +unlock: + hci_dev_unlock(hdev); } -static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct inquiry_data data; struct inquiry_info *info = (void *) (skb->data + 1); @@ -846,9 +1923,14 @@ static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff * if (!num_rsp) return; + if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags)) + return; + hci_dev_lock(hdev); - for (; num_rsp; num_rsp--) { + for (; num_rsp; num_rsp--, info++) { + bool name_known, ssp; + bacpy(&data.bdaddr, &info->bdaddr); data.pscan_rep_mode = info->pscan_rep_mode; data.pscan_period_mode = info->pscan_period_mode; @@ -857,14 +1939,17 @@ static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff * data.clock_offset = info->clock_offset; data.rssi = 0x00; data.ssp_mode = 0x00; - info++; - hci_inquiry_cache_update(hdev, &data); + + name_known = hci_inquiry_cache_update(hdev, &data, false, &ssp); + mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, + info->dev_class, 0, !name_known, ssp, NULL, + 0, NULL, 0); } hci_dev_unlock(hdev); } -static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_conn_complete *ev = (void *) skb->data; struct hci_conn *conn; @@ -891,11 +1976,15 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s if (conn->type == ACL_LINK) { conn->state = BT_CONFIG; hci_conn_hold(conn); - conn->disc_timeout = HCI_DISCONN_TIMEOUT; + + if (!conn->out && !hci_conn_ssp_enabled(conn) && + !hci_find_link_key(hdev, &ev->bdaddr)) + conn->disc_timeout = HCI_PAIRING_TIMEOUT; + else + conn->disc_timeout = HCI_DISCONN_TIMEOUT; } else conn->state = BT_CONNECTED; - hci_conn_hold_device(conn); hci_conn_add_sysfs(conn); if (test_bit(HCI_AUTH, &hdev->flags)) @@ -909,19 +1998,23 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s struct hci_cp_read_remote_features cp; cp.handle = ev->handle; hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES, - sizeof(cp), &cp); + sizeof(cp), &cp); } /* Set packet type for incoming connection */ - if (!conn->out && hdev->hci_ver < 3) { + if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) { struct hci_cp_change_conn_ptype cp; cp.handle = ev->handle; cp.pkt_type = cpu_to_le16(conn->pkt_type); - hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, - sizeof(cp), &cp); + hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp), + &cp); } - } else + } else { conn->state = BT_CLOSED; + if (conn->type == ACL_LINK) + mgmt_connect_failed(hdev, &conn->dst, conn->type, + conn->dst_type, ev->status); + } if (conn->type == ACL_LINK) hci_sco_setup(conn, ev->status); @@ -938,29 +2031,35 @@ unlock: hci_conn_check_pending(hdev); } -static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_conn_request *ev = (void *) skb->data; int mask = hdev->link_mode; + __u8 flags = 0; - BT_DBG("%s bdaddr %s type 0x%x", hdev->name, - batostr(&ev->bdaddr), ev->link_type); + BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr, + ev->link_type); - mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type); + mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type, + &flags); - if ((mask & HCI_LM_ACCEPT) && !hci_blacklist_lookup(hdev, &ev->bdaddr)) { + if ((mask & HCI_LM_ACCEPT) && + !hci_blacklist_lookup(hdev, &ev->bdaddr, BDADDR_BREDR)) { /* Connection accepted */ struct inquiry_entry *ie; struct hci_conn *conn; hci_dev_lock(hdev); - if ((ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr))) + ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); + if (ie) memcpy(ie->data.dev_class, ev->dev_class, 3); - conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); + conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, + &ev->bdaddr); if (!conn) { - if (!(conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr))) { + conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr); + if (!conn) { BT_ERR("No memory for new connection"); hci_dev_unlock(hdev); return; @@ -968,12 +2067,13 @@ static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *sk } memcpy(conn->dev_class, ev->dev_class, 3); - conn->state = BT_CONNECT; hci_dev_unlock(hdev); - if (ev->link_type == ACL_LINK || !lmp_esco_capable(hdev)) { + if (ev->link_type == ACL_LINK || + (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) { struct hci_cp_accept_conn_req cp; + conn->state = BT_CONNECT; bacpy(&cp.bdaddr, &ev->bdaddr); @@ -982,10 +2082,11 @@ static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *sk else cp.role = 0x01; /* Remain slave */ - hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, - sizeof(cp), &cp); - } else { + hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), + &cp); + } else if (!(flags & HCI_PROTO_DEFER)) { struct hci_cp_accept_sync_conn_req cp; + conn->state = BT_CONNECT; bacpy(&cp.bdaddr, &ev->bdaddr); cp.pkt_type = cpu_to_le16(conn->pkt_type); @@ -997,145 +2098,286 @@ static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *sk cp.retrans_effort = 0xff; hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, - sizeof(cp), &cp); + sizeof(cp), &cp); + } else { + conn->state = BT_CONNECT2; + hci_proto_connect_cfm(conn, 0); } } else { /* Connection rejected */ struct hci_cp_reject_conn_req cp; bacpy(&cp.bdaddr, &ev->bdaddr); - cp.reason = 0x0f; + cp.reason = HCI_ERROR_REJ_BAD_ADDR; hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp); } } -static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) +static u8 hci_to_mgmt_reason(u8 err) +{ + switch (err) { + case HCI_ERROR_CONNECTION_TIMEOUT: + return MGMT_DEV_DISCONN_TIMEOUT; + case HCI_ERROR_REMOTE_USER_TERM: + case HCI_ERROR_REMOTE_LOW_RESOURCES: + case HCI_ERROR_REMOTE_POWER_OFF: + return MGMT_DEV_DISCONN_REMOTE; + case HCI_ERROR_LOCAL_HOST_TERM: + return MGMT_DEV_DISCONN_LOCAL_HOST; + default: + return MGMT_DEV_DISCONN_UNKNOWN; + } +} + +static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_disconn_complete *ev = (void *) skb->data; + u8 reason = hci_to_mgmt_reason(ev->reason); + struct hci_conn_params *params; struct hci_conn *conn; + bool mgmt_connected; + u8 type; - BT_DBG("%s status %d", hdev->name, ev->status); - - if (ev->status) - return; + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); - if (conn) { - conn->state = BT_CLOSED; + if (!conn) + goto unlock; - hci_proto_disconn_cfm(conn, ev->reason); - hci_conn_del(conn); + if (ev->status) { + mgmt_disconnect_failed(hdev, &conn->dst, conn->type, + conn->dst_type, ev->status); + goto unlock; } + conn->state = BT_CLOSED; + + mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags); + mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type, + reason, mgmt_connected); + + if (conn->type == ACL_LINK && conn->flush_key) + hci_remove_link_key(hdev, &conn->dst); + + params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type); + if (params) { + switch (params->auto_connect) { + case HCI_AUTO_CONN_LINK_LOSS: + if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT) + break; + /* Fall through */ + + case HCI_AUTO_CONN_ALWAYS: + hci_pend_le_conn_add(hdev, &conn->dst, conn->dst_type); + break; + + default: + break; + } + } + + type = conn->type; + + hci_proto_disconn_cfm(conn, ev->reason); + hci_conn_del(conn); + + /* Re-enable advertising if necessary, since it might + * have been disabled by the connection. From the + * HCI_LE_Set_Advertise_Enable command description in + * the core specification (v4.0): + * "The Controller shall continue advertising until the Host + * issues an LE_Set_Advertise_Enable command with + * Advertising_Enable set to 0x00 (Advertising is disabled) + * or until a connection is created or until the Advertising + * is timed out due to Directed Advertising." + */ + if (type == LE_LINK) + mgmt_reenable_advertising(hdev); + +unlock: hci_dev_unlock(hdev); } -static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_auth_complete *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); - if (conn) { - if (!ev->status) + if (!conn) + goto unlock; + + if (!ev->status) { + if (!hci_conn_ssp_enabled(conn) && + test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) { + BT_INFO("re-auth of legacy device is not possible."); + } else { conn->link_mode |= HCI_LM_AUTH; - else - conn->sec_level = BT_SECURITY_LOW; + conn->sec_level = conn->pending_sec_level; + } + } else { + mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type, + ev->status); + } - clear_bit(HCI_CONN_AUTH_PEND, &conn->pend); + clear_bit(HCI_CONN_AUTH_PEND, &conn->flags); + clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags); - if (conn->state == BT_CONFIG) { - if (!ev->status && hdev->ssp_mode > 0 && - conn->ssp_mode > 0) { - struct hci_cp_set_conn_encrypt cp; - cp.handle = ev->handle; - cp.encrypt = 0x01; - hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, - sizeof(cp), &cp); - } else { - conn->state = BT_CONNECTED; - hci_proto_connect_cfm(conn, ev->status); - hci_conn_put(conn); - } + if (conn->state == BT_CONFIG) { + if (!ev->status && hci_conn_ssp_enabled(conn)) { + struct hci_cp_set_conn_encrypt cp; + cp.handle = ev->handle; + cp.encrypt = 0x01; + hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), + &cp); } else { - hci_auth_cfm(conn, ev->status); - - hci_conn_hold(conn); - conn->disc_timeout = HCI_DISCONN_TIMEOUT; - hci_conn_put(conn); + conn->state = BT_CONNECTED; + hci_proto_connect_cfm(conn, ev->status); + hci_conn_drop(conn); } + } else { + hci_auth_cfm(conn, ev->status); - if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) { - if (!ev->status) { - struct hci_cp_set_conn_encrypt cp; - cp.handle = ev->handle; - cp.encrypt = 0x01; - hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, - sizeof(cp), &cp); - } else { - clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend); - hci_encrypt_cfm(conn, ev->status, 0x00); - } + hci_conn_hold(conn); + conn->disc_timeout = HCI_DISCONN_TIMEOUT; + hci_conn_drop(conn); + } + + if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) { + if (!ev->status) { + struct hci_cp_set_conn_encrypt cp; + cp.handle = ev->handle; + cp.encrypt = 0x01; + hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), + &cp); + } else { + clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); + hci_encrypt_cfm(conn, ev->status, 0x00); } } +unlock: hci_dev_unlock(hdev); } -static inline void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb) { + struct hci_ev_remote_name *ev = (void *) skb->data; + struct hci_conn *conn; + BT_DBG("%s", hdev->name); hci_conn_check_pending(hdev); + + hci_dev_lock(hdev); + + conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); + + if (!test_bit(HCI_MGMT, &hdev->dev_flags)) + goto check_auth; + + if (ev->status == 0) + hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name, + strnlen(ev->name, HCI_MAX_NAME_LENGTH)); + else + hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0); + +check_auth: + if (!conn) + goto unlock; + + if (!hci_outgoing_auth_needed(hdev, conn)) + goto unlock; + + if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { + struct hci_cp_auth_requested cp; + cp.handle = __cpu_to_le16(conn->handle); + hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp); + } + +unlock: + hci_dev_unlock(hdev); } -static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_encrypt_change *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); - if (conn) { - if (!ev->status) { - if (ev->encrypt) { - /* Encryption implies authentication */ - conn->link_mode |= HCI_LM_AUTH; - conn->link_mode |= HCI_LM_ENCRYPT; - } else - conn->link_mode &= ~HCI_LM_ENCRYPT; - } + if (!conn) + goto unlock; - clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend); + if (!ev->status) { + if (ev->encrypt) { + /* Encryption implies authentication */ + conn->link_mode |= HCI_LM_AUTH; + conn->link_mode |= HCI_LM_ENCRYPT; + conn->sec_level = conn->pending_sec_level; - if (conn->state == BT_CONFIG) { - if (!ev->status) - conn->state = BT_CONNECTED; + /* P-256 authentication key implies FIPS */ + if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256) + conn->link_mode |= HCI_LM_FIPS; - hci_proto_connect_cfm(conn, ev->status); - hci_conn_put(conn); - } else - hci_encrypt_cfm(conn, ev->status, ev->encrypt); + if ((conn->type == ACL_LINK && ev->encrypt == 0x02) || + conn->type == LE_LINK) + set_bit(HCI_CONN_AES_CCM, &conn->flags); + } else { + conn->link_mode &= ~HCI_LM_ENCRYPT; + clear_bit(HCI_CONN_AES_CCM, &conn->flags); + } } + clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); + + if (ev->status && conn->state == BT_CONNECTED) { + hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); + hci_conn_drop(conn); + goto unlock; + } + + if (conn->state == BT_CONFIG) { + if (!ev->status) + conn->state = BT_CONNECTED; + + /* In Secure Connections Only mode, do not allow any + * connections that are not encrypted with AES-CCM + * using a P-256 authenticated combination key. + */ + if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) && + (!test_bit(HCI_CONN_AES_CCM, &conn->flags) || + conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) { + hci_proto_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE); + hci_conn_drop(conn); + goto unlock; + } + + hci_proto_connect_cfm(conn, ev->status); + hci_conn_drop(conn); + } else + hci_encrypt_cfm(conn, ev->status, ev->encrypt); + +unlock: hci_dev_unlock(hdev); } -static inline void hci_change_link_key_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_change_link_key_complete_evt(struct hci_dev *hdev, + struct sk_buff *skb) { struct hci_ev_change_link_key_complete *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -1144,7 +2386,7 @@ static inline void hci_change_link_key_complete_evt(struct hci_dev *hdev, struct if (!ev->status) conn->link_mode |= HCI_LM_SECURE; - clear_bit(HCI_CONN_AUTH_PEND, &conn->pend); + clear_bit(HCI_CONN_AUTH_PEND, &conn->flags); hci_key_change_cfm(conn, ev->status); } @@ -1152,59 +2394,60 @@ static inline void hci_change_link_key_complete_evt(struct hci_dev *hdev, struct hci_dev_unlock(hdev); } -static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_remote_features_evt(struct hci_dev *hdev, + struct sk_buff *skb) { struct hci_ev_remote_features *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); - if (conn) { - if (!ev->status) - memcpy(conn->features, ev->features, 8); + if (!conn) + goto unlock; + + if (!ev->status) + memcpy(conn->features[0], ev->features, 8); + + if (conn->state != BT_CONFIG) + goto unlock; + + if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) { + struct hci_cp_read_remote_ext_features cp; + cp.handle = ev->handle; + cp.page = 0x01; + hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES, + sizeof(cp), &cp); + goto unlock; + } - if (conn->state == BT_CONFIG) { - if (!ev->status && lmp_ssp_capable(hdev) && - lmp_ssp_capable(conn)) { - struct hci_cp_read_remote_ext_features cp; - cp.handle = ev->handle; - cp.page = 0x01; - hci_send_cmd(hdev, - HCI_OP_READ_REMOTE_EXT_FEATURES, - sizeof(cp), &cp); - } else if (!ev->status && conn->out && - conn->sec_level == BT_SECURITY_HIGH) { - struct hci_cp_auth_requested cp; - cp.handle = ev->handle; - hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, - sizeof(cp), &cp); - } else { - conn->state = BT_CONNECTED; - hci_proto_connect_cfm(conn, ev->status); - hci_conn_put(conn); - } - } + if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) { + struct hci_cp_remote_name_req cp; + memset(&cp, 0, sizeof(cp)); + bacpy(&cp.bdaddr, &conn->dst); + cp.pscan_rep_mode = 0x02; + hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); + } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) + mgmt_device_connected(hdev, &conn->dst, conn->type, + conn->dst_type, 0, NULL, 0, + conn->dev_class); + + if (!hci_outgoing_auth_needed(hdev, conn)) { + conn->state = BT_CONNECTED; + hci_proto_connect_cfm(conn, ev->status); + hci_conn_drop(conn); } +unlock: hci_dev_unlock(hdev); } -static inline void hci_remote_version_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - BT_DBG("%s", hdev->name); -} - -static inline void hci_qos_setup_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - BT_DBG("%s", hdev->name); -} - -static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_cmd_complete *ev = (void *) skb->data; + u8 status = skb->data[sizeof(*ev)]; __u16 opcode; skb_pull(skb, sizeof(*ev)); @@ -1216,6 +2459,10 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk hci_cc_inquiry_cancel(hdev, skb); break; + case HCI_OP_PERIODIC_INQ: + hci_cc_periodic_inq(hdev, skb); + break; + case HCI_OP_EXIT_PERIODIC_INQ: hci_cc_exit_periodic_inq(hdev, skb); break; @@ -1284,18 +2531,18 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk hci_cc_write_voice_setting(hdev, skb); break; - case HCI_OP_HOST_BUFFER_SIZE: - hci_cc_host_buffer_size(hdev, skb); - break; - - case HCI_OP_READ_SSP_MODE: - hci_cc_read_ssp_mode(hdev, skb); + case HCI_OP_READ_NUM_SUPPORTED_IAC: + hci_cc_read_num_supported_iac(hdev, skb); break; case HCI_OP_WRITE_SSP_MODE: hci_cc_write_ssp_mode(hdev, skb); break; + case HCI_OP_WRITE_SC_SUPPORT: + hci_cc_write_sc_support(hdev, skb); + break; + case HCI_OP_READ_LOCAL_VERSION: hci_cc_read_local_version(hdev, skb); break; @@ -1308,6 +2555,10 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk hci_cc_read_local_features(hdev, skb); break; + case HCI_OP_READ_LOCAL_EXT_FEATURES: + hci_cc_read_local_ext_features(hdev, skb); + break; + case HCI_OP_READ_BUFFER_SIZE: hci_cc_read_buffer_size(hdev, skb); break; @@ -1316,19 +2567,160 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk hci_cc_read_bd_addr(hdev, skb); break; + case HCI_OP_READ_PAGE_SCAN_ACTIVITY: + hci_cc_read_page_scan_activity(hdev, skb); + break; + + case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY: + hci_cc_write_page_scan_activity(hdev, skb); + break; + + case HCI_OP_READ_PAGE_SCAN_TYPE: + hci_cc_read_page_scan_type(hdev, skb); + break; + + case HCI_OP_WRITE_PAGE_SCAN_TYPE: + hci_cc_write_page_scan_type(hdev, skb); + break; + + case HCI_OP_READ_DATA_BLOCK_SIZE: + hci_cc_read_data_block_size(hdev, skb); + break; + + case HCI_OP_READ_FLOW_CONTROL_MODE: + hci_cc_read_flow_control_mode(hdev, skb); + break; + + case HCI_OP_READ_LOCAL_AMP_INFO: + hci_cc_read_local_amp_info(hdev, skb); + break; + + case HCI_OP_READ_LOCAL_AMP_ASSOC: + hci_cc_read_local_amp_assoc(hdev, skb); + break; + + case HCI_OP_READ_INQ_RSP_TX_POWER: + hci_cc_read_inq_rsp_tx_power(hdev, skb); + break; + + case HCI_OP_PIN_CODE_REPLY: + hci_cc_pin_code_reply(hdev, skb); + break; + + case HCI_OP_PIN_CODE_NEG_REPLY: + hci_cc_pin_code_neg_reply(hdev, skb); + break; + + case HCI_OP_READ_LOCAL_OOB_DATA: + hci_cc_read_local_oob_data(hdev, skb); + break; + + case HCI_OP_READ_LOCAL_OOB_EXT_DATA: + hci_cc_read_local_oob_ext_data(hdev, skb); + break; + + case HCI_OP_LE_READ_BUFFER_SIZE: + hci_cc_le_read_buffer_size(hdev, skb); + break; + + case HCI_OP_LE_READ_LOCAL_FEATURES: + hci_cc_le_read_local_features(hdev, skb); + break; + + case HCI_OP_LE_READ_ADV_TX_POWER: + hci_cc_le_read_adv_tx_power(hdev, skb); + break; + + case HCI_OP_USER_CONFIRM_REPLY: + hci_cc_user_confirm_reply(hdev, skb); + break; + + case HCI_OP_USER_CONFIRM_NEG_REPLY: + hci_cc_user_confirm_neg_reply(hdev, skb); + break; + + case HCI_OP_USER_PASSKEY_REPLY: + hci_cc_user_passkey_reply(hdev, skb); + break; + + case HCI_OP_USER_PASSKEY_NEG_REPLY: + hci_cc_user_passkey_neg_reply(hdev, skb); + break; + + case HCI_OP_LE_SET_RANDOM_ADDR: + hci_cc_le_set_random_addr(hdev, skb); + break; + + case HCI_OP_LE_SET_ADV_ENABLE: + hci_cc_le_set_adv_enable(hdev, skb); + break; + + case HCI_OP_LE_SET_SCAN_PARAM: + hci_cc_le_set_scan_param(hdev, skb); + break; + + case HCI_OP_LE_SET_SCAN_ENABLE: + hci_cc_le_set_scan_enable(hdev, skb); + break; + + case HCI_OP_LE_READ_WHITE_LIST_SIZE: + hci_cc_le_read_white_list_size(hdev, skb); + break; + + case HCI_OP_LE_CLEAR_WHITE_LIST: + hci_cc_le_clear_white_list(hdev, skb); + break; + + case HCI_OP_LE_ADD_TO_WHITE_LIST: + hci_cc_le_add_to_white_list(hdev, skb); + break; + + case HCI_OP_LE_DEL_FROM_WHITE_LIST: + hci_cc_le_del_from_white_list(hdev, skb); + break; + + case HCI_OP_LE_READ_SUPPORTED_STATES: + hci_cc_le_read_supported_states(hdev, skb); + break; + + case HCI_OP_WRITE_LE_HOST_SUPPORTED: + hci_cc_write_le_host_supported(hdev, skb); + break; + + case HCI_OP_LE_SET_ADV_PARAM: + hci_cc_set_adv_param(hdev, skb); + break; + + case HCI_OP_WRITE_REMOTE_AMP_ASSOC: + hci_cc_write_remote_amp_assoc(hdev, skb); + break; + + case HCI_OP_READ_RSSI: + hci_cc_read_rssi(hdev, skb); + break; + + case HCI_OP_READ_TX_POWER: + hci_cc_read_tx_power(hdev, skb); + break; + default: - BT_DBG("%s opcode 0x%x", hdev->name, opcode); + BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode); break; } - if (ev->ncmd) { + if (opcode != HCI_OP_NOP) + del_timer(&hdev->cmd_timer); + + hci_req_cmd_complete(hdev, opcode, status); + + if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) { atomic_set(&hdev->cmd_cnt, 1); if (!skb_queue_empty(&hdev->cmd_q)) - tasklet_schedule(&hdev->cmd_task); + queue_work(hdev->workqueue, &hdev->cmd_work); } } -static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_cmd_status *ev = (void *) skb->data; __u16 opcode; @@ -1382,24 +2774,51 @@ static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_cs_exit_sniff_mode(hdev, ev->status); break; + case HCI_OP_DISCONNECT: + hci_cs_disconnect(hdev, ev->status); + break; + + case HCI_OP_CREATE_PHY_LINK: + hci_cs_create_phylink(hdev, ev->status); + break; + + case HCI_OP_ACCEPT_PHY_LINK: + hci_cs_accept_phylink(hdev, ev->status); + break; + + case HCI_OP_LE_CREATE_CONN: + hci_cs_le_create_conn(hdev, ev->status); + break; + + case HCI_OP_LE_START_ENC: + hci_cs_le_start_enc(hdev, ev->status); + break; + default: - BT_DBG("%s opcode 0x%x", hdev->name, opcode); + BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode); break; } - if (ev->ncmd) { + if (opcode != HCI_OP_NOP) + del_timer(&hdev->cmd_timer); + + if (ev->status || + (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event)) + hci_req_cmd_complete(hdev, opcode, ev->status); + + if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) { atomic_set(&hdev->cmd_cnt, 1); if (!skb_queue_empty(&hdev->cmd_q)) - tasklet_schedule(&hdev->cmd_task); + queue_work(hdev->workqueue, &hdev->cmd_work); } } -static inline void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_role_change *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -1412,7 +2831,7 @@ static inline void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb conn->link_mode |= HCI_LM_MASTER; } - clear_bit(HCI_CONN_RSWITCH_PEND, &conn->pend); + clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags); hci_role_switch_cfm(conn, ev->status, ev->role); } @@ -1420,78 +2839,172 @@ static inline void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb hci_dev_unlock(hdev); } -static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_num_comp_pkts *ev = (void *) skb->data; - __le16 *ptr; int i; - skb_pull(skb, sizeof(*ev)); - - BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl); + if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) { + BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode); + return; + } - if (skb->len < ev->num_hndl * 4) { + if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) + + ev->num_hndl * sizeof(struct hci_comp_pkts_info)) { BT_DBG("%s bad parameters", hdev->name); return; } - tasklet_disable(&hdev->tx_task); + BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl); - for (i = 0, ptr = (__le16 *) skb->data; i < ev->num_hndl; i++) { + for (i = 0; i < ev->num_hndl; i++) { + struct hci_comp_pkts_info *info = &ev->handles[i]; struct hci_conn *conn; __u16 handle, count; - handle = get_unaligned_le16(ptr++); - count = get_unaligned_le16(ptr++); + handle = __le16_to_cpu(info->handle); + count = __le16_to_cpu(info->count); conn = hci_conn_hash_lookup_handle(hdev, handle); - if (conn) { - conn->sent -= count; - - if (conn->type == ACL_LINK) { - if ((hdev->acl_cnt += count) > hdev->acl_pkts) - hdev->acl_cnt = hdev->acl_pkts; + if (!conn) + continue; + + conn->sent -= count; + + switch (conn->type) { + case ACL_LINK: + hdev->acl_cnt += count; + if (hdev->acl_cnt > hdev->acl_pkts) + hdev->acl_cnt = hdev->acl_pkts; + break; + + case LE_LINK: + if (hdev->le_pkts) { + hdev->le_cnt += count; + if (hdev->le_cnt > hdev->le_pkts) + hdev->le_cnt = hdev->le_pkts; } else { - if ((hdev->sco_cnt += count) > hdev->sco_pkts) - hdev->sco_cnt = hdev->sco_pkts; + hdev->acl_cnt += count; + if (hdev->acl_cnt > hdev->acl_pkts) + hdev->acl_cnt = hdev->acl_pkts; } + break; + + case SCO_LINK: + hdev->sco_cnt += count; + if (hdev->sco_cnt > hdev->sco_pkts) + hdev->sco_cnt = hdev->sco_pkts; + break; + + default: + BT_ERR("Unknown type %d conn %p", conn->type, conn); + break; } } - tasklet_schedule(&hdev->tx_task); + queue_work(hdev->workqueue, &hdev->tx_work); +} - tasklet_enable(&hdev->tx_task); +static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev, + __u16 handle) +{ + struct hci_chan *chan; + + switch (hdev->dev_type) { + case HCI_BREDR: + return hci_conn_hash_lookup_handle(hdev, handle); + case HCI_AMP: + chan = hci_chan_lookup_handle(hdev, handle); + if (chan) + return chan->conn; + break; + default: + BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type); + break; + } + + return NULL; } -static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_ev_num_comp_blocks *ev = (void *) skb->data; + int i; + + if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) { + BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode); + return; + } + + if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) + + ev->num_hndl * sizeof(struct hci_comp_blocks_info)) { + BT_DBG("%s bad parameters", hdev->name); + return; + } + + BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks, + ev->num_hndl); + + for (i = 0; i < ev->num_hndl; i++) { + struct hci_comp_blocks_info *info = &ev->handles[i]; + struct hci_conn *conn = NULL; + __u16 handle, block_count; + + handle = __le16_to_cpu(info->handle); + block_count = __le16_to_cpu(info->blocks); + + conn = __hci_conn_lookup_handle(hdev, handle); + if (!conn) + continue; + + conn->sent -= block_count; + + switch (conn->type) { + case ACL_LINK: + case AMP_LINK: + hdev->block_cnt += block_count; + if (hdev->block_cnt > hdev->num_blocks) + hdev->block_cnt = hdev->num_blocks; + break; + + default: + BT_ERR("Unknown type %d conn %p", conn->type, conn); + break; + } + } + + queue_work(hdev->workqueue, &hdev->tx_work); +} + +static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_mode_change *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); if (conn) { conn->mode = ev->mode; - conn->interval = __le16_to_cpu(ev->interval); - if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) { + if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, + &conn->flags)) { if (conn->mode == HCI_CM_ACTIVE) - conn->power_save = 1; + set_bit(HCI_CONN_POWER_SAVE, &conn->flags); else - conn->power_save = 0; + clear_bit(HCI_CONN_POWER_SAVE, &conn->flags); } - if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->pend)) + if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) hci_sco_setup(conn, ev->status); } hci_dev_unlock(hdev); } -static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_pin_code_req *ev = (void *) skb->data; struct hci_conn *conn; @@ -1501,24 +3014,103 @@ static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff hci_dev_lock(hdev); conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); - if (conn && conn->state == BT_CONNECTED) { + if (!conn) + goto unlock; + + if (conn->state == BT_CONNECTED) { hci_conn_hold(conn); conn->disc_timeout = HCI_PAIRING_TIMEOUT; - hci_conn_put(conn); + hci_conn_drop(conn); + } + + if (!test_bit(HCI_PAIRABLE, &hdev->dev_flags)) + hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, + sizeof(ev->bdaddr), &ev->bdaddr); + else if (test_bit(HCI_MGMT, &hdev->dev_flags)) { + u8 secure; + + if (conn->pending_sec_level == BT_SECURITY_HIGH) + secure = 1; + else + secure = 0; + + mgmt_pin_code_request(hdev, &ev->bdaddr, secure); } +unlock: hci_dev_unlock(hdev); } -static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb) { + struct hci_ev_link_key_req *ev = (void *) skb->data; + struct hci_cp_link_key_reply cp; + struct hci_conn *conn; + struct link_key *key; + BT_DBG("%s", hdev->name); + + if (!test_bit(HCI_MGMT, &hdev->dev_flags)) + return; + + hci_dev_lock(hdev); + + key = hci_find_link_key(hdev, &ev->bdaddr); + if (!key) { + BT_DBG("%s link key not found for %pMR", hdev->name, + &ev->bdaddr); + goto not_found; + } + + BT_DBG("%s found key type %u for %pMR", hdev->name, key->type, + &ev->bdaddr); + + if (!test_bit(HCI_DEBUG_KEYS, &hdev->dev_flags) && + key->type == HCI_LK_DEBUG_COMBINATION) { + BT_DBG("%s ignoring debug key", hdev->name); + goto not_found; + } + + conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); + if (conn) { + if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 || + key->type == HCI_LK_UNAUTH_COMBINATION_P256) && + conn->auth_type != 0xff && (conn->auth_type & 0x01)) { + BT_DBG("%s ignoring unauthenticated key", hdev->name); + goto not_found; + } + + if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 && + (conn->pending_sec_level == BT_SECURITY_HIGH || + conn->pending_sec_level == BT_SECURITY_FIPS)) { + BT_DBG("%s ignoring key unauthenticated for high security", + hdev->name); + goto not_found; + } + + conn->key_type = key->type; + conn->pin_length = key->pin_len; + } + + bacpy(&cp.bdaddr, &ev->bdaddr); + memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE); + + hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp); + + hci_dev_unlock(hdev); + + return; + +not_found: + hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr); + hci_dev_unlock(hdev); } -static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_link_key_notify *ev = (void *) skb->data; struct hci_conn *conn; + u8 pin_len = 0; BT_DBG("%s", hdev->name); @@ -1528,18 +3120,27 @@ static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff if (conn) { hci_conn_hold(conn); conn->disc_timeout = HCI_DISCONN_TIMEOUT; - hci_conn_put(conn); + pin_len = conn->pin_length; + + if (ev->key_type != HCI_LK_CHANGED_COMBINATION) + conn->key_type = ev->key_type; + + hci_conn_drop(conn); } + if (test_bit(HCI_MGMT, &hdev->dev_flags)) + hci_add_link_key(hdev, conn, 1, &ev->bdaddr, ev->link_key, + ev->key_type, pin_len); + hci_dev_unlock(hdev); } -static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_clock_offset *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -1547,7 +3148,8 @@ static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *sk if (conn && !ev->status) { struct inquiry_entry *ie; - if ((ie = hci_inquiry_cache_lookup(hdev, &conn->dst))) { + ie = hci_inquiry_cache_lookup(hdev, &conn->dst); + if (ie) { ie->data.clock_offset = ev->clock_offset; ie->timestamp = jiffies; } @@ -1556,12 +3158,12 @@ static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *sk hci_dev_unlock(hdev); } -static inline void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_pkt_type_change *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -1572,7 +3174,7 @@ static inline void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff hci_dev_unlock(hdev); } -static inline void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_pscan_rep_mode *ev = (void *) skb->data; struct inquiry_entry *ie; @@ -1581,7 +3183,8 @@ static inline void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff * hci_dev_lock(hdev); - if ((ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr))) { + ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); + if (ie) { ie->data.pscan_rep_mode = ev->pscan_rep_mode; ie->timestamp = jiffies; } @@ -1589,22 +3192,28 @@ static inline void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff * hci_dev_unlock(hdev); } -static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, + struct sk_buff *skb) { struct inquiry_data data; int num_rsp = *((__u8 *) skb->data); + bool name_known, ssp; BT_DBG("%s num_rsp %d", hdev->name, num_rsp); if (!num_rsp) return; + if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags)) + return; + hci_dev_lock(hdev); if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) { - struct inquiry_info_with_rssi_and_pscan_mode *info = (void *) (skb->data + 1); + struct inquiry_info_with_rssi_and_pscan_mode *info; + info = (void *) (skb->data + 1); - for (; num_rsp; num_rsp--) { + for (; num_rsp; num_rsp--, info++) { bacpy(&data.bdaddr, &info->bdaddr); data.pscan_rep_mode = info->pscan_rep_mode; data.pscan_period_mode = info->pscan_period_mode; @@ -1613,13 +3222,17 @@ static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct data.clock_offset = info->clock_offset; data.rssi = info->rssi; data.ssp_mode = 0x00; - info++; - hci_inquiry_cache_update(hdev, &data); + + name_known = hci_inquiry_cache_update(hdev, &data, + false, &ssp); + mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, + info->dev_class, info->rssi, + !name_known, ssp, NULL, 0, NULL, 0); } } else { struct inquiry_info_with_rssi *info = (void *) (skb->data + 1); - for (; num_rsp; num_rsp--) { + for (; num_rsp; num_rsp--, info++) { bacpy(&data.bdaddr, &info->bdaddr); data.pscan_rep_mode = info->pscan_rep_mode; data.pscan_period_mode = info->pscan_period_mode; @@ -1628,15 +3241,19 @@ static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct data.clock_offset = info->clock_offset; data.rssi = info->rssi; data.ssp_mode = 0x00; - info++; - hci_inquiry_cache_update(hdev, &data); + name_known = hci_inquiry_cache_update(hdev, &data, + false, &ssp); + mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, + info->dev_class, info->rssi, + !name_known, ssp, NULL, 0, NULL, 0); } } hci_dev_unlock(hdev); } -static inline void hci_remote_ext_features_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_remote_ext_features_evt(struct hci_dev *hdev, + struct sk_buff *skb) { struct hci_ev_remote_ext_features *ev = (void *) skb->data; struct hci_conn *conn; @@ -1646,41 +3263,68 @@ static inline void hci_remote_ext_features_evt(struct hci_dev *hdev, struct sk_b hci_dev_lock(hdev); conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); - if (conn) { - if (!ev->status && ev->page == 0x01) { - struct inquiry_entry *ie; + if (!conn) + goto unlock; - if ((ie = hci_inquiry_cache_lookup(hdev, &conn->dst))) - ie->data.ssp_mode = (ev->features[0] & 0x01); + if (ev->page < HCI_MAX_PAGES) + memcpy(conn->features[ev->page], ev->features, 8); - conn->ssp_mode = (ev->features[0] & 0x01); - } + if (!ev->status && ev->page == 0x01) { + struct inquiry_entry *ie; - if (conn->state == BT_CONFIG) { - if (!ev->status && hdev->ssp_mode > 0 && - conn->ssp_mode > 0 && conn->out && - conn->sec_level != BT_SECURITY_SDP) { - struct hci_cp_auth_requested cp; - cp.handle = ev->handle; - hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, - sizeof(cp), &cp); - } else { - conn->state = BT_CONNECTED; - hci_proto_connect_cfm(conn, ev->status); - hci_conn_put(conn); - } + ie = hci_inquiry_cache_lookup(hdev, &conn->dst); + if (ie) + ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP); + + if (ev->features[0] & LMP_HOST_SSP) { + set_bit(HCI_CONN_SSP_ENABLED, &conn->flags); + } else { + /* It is mandatory by the Bluetooth specification that + * Extended Inquiry Results are only used when Secure + * Simple Pairing is enabled, but some devices violate + * this. + * + * To make these devices work, the internal SSP + * enabled flag needs to be cleared if the remote host + * features do not indicate SSP support */ + clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags); } + + if (ev->features[0] & LMP_HOST_SC) + set_bit(HCI_CONN_SC_ENABLED, &conn->flags); } + if (conn->state != BT_CONFIG) + goto unlock; + + if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) { + struct hci_cp_remote_name_req cp; + memset(&cp, 0, sizeof(cp)); + bacpy(&cp.bdaddr, &conn->dst); + cp.pscan_rep_mode = 0x02; + hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); + } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) + mgmt_device_connected(hdev, &conn->dst, conn->type, + conn->dst_type, 0, NULL, 0, + conn->dev_class); + + if (!hci_outgoing_auth_needed(hdev, conn)) { + conn->state = BT_CONNECTED; + hci_proto_connect_cfm(conn, ev->status); + hci_conn_drop(conn); + } + +unlock: hci_dev_unlock(hdev); } -static inline void hci_sync_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_sync_conn_complete_evt(struct hci_dev *hdev, + struct sk_buff *skb) { struct hci_ev_sync_conn_complete *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -1701,19 +3345,20 @@ static inline void hci_sync_conn_complete_evt(struct hci_dev *hdev, struct sk_bu conn->handle = __le16_to_cpu(ev->handle); conn->state = BT_CONNECTED; - hci_conn_hold_device(conn); hci_conn_add_sysfs(conn); break; + case 0x0d: /* Connection Rejected due to Limited Resources */ case 0x11: /* Unsupported Feature or Parameter Value */ case 0x1c: /* SCO interval rejected */ case 0x1a: /* Unsupported Remote Feature */ case 0x1f: /* Unspecified error */ - if (conn->out && conn->attempt < 2) { + case 0x20: /* Unsupported LMP Parameter value */ + if (conn->out) { conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) | (hdev->esco_type & EDR_ESCO_MASK); - hci_setup_sync(conn, conn->link->handle); - goto unlock; + if (hci_setup_sync(conn, conn->link->handle)) + goto unlock; } /* fall through */ @@ -1730,57 +3375,140 @@ unlock: hci_dev_unlock(hdev); } -static inline void hci_sync_conn_changed_evt(struct hci_dev *hdev, struct sk_buff *skb) +static inline size_t eir_get_length(u8 *eir, size_t eir_len) { - BT_DBG("%s", hdev->name); -} + size_t parsed = 0; -static inline void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_sniff_subrate *ev = (void *) skb->data; - struct hci_conn *conn; + while (parsed < eir_len) { + u8 field_len = eir[0]; - BT_DBG("%s status %d", hdev->name, ev->status); - - hci_dev_lock(hdev); + if (field_len == 0) + return parsed; - conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); - if (conn) { + parsed += field_len + 1; + eir += field_len + 1; } - hci_dev_unlock(hdev); + return eir_len; } -static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_extended_inquiry_result_evt(struct hci_dev *hdev, + struct sk_buff *skb) { struct inquiry_data data; struct extended_inquiry_info *info = (void *) (skb->data + 1); int num_rsp = *((__u8 *) skb->data); + size_t eir_len; BT_DBG("%s num_rsp %d", hdev->name, num_rsp); if (!num_rsp) return; + if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags)) + return; + hci_dev_lock(hdev); - for (; num_rsp; num_rsp--) { + for (; num_rsp; num_rsp--, info++) { + bool name_known, ssp; + bacpy(&data.bdaddr, &info->bdaddr); - data.pscan_rep_mode = info->pscan_rep_mode; - data.pscan_period_mode = info->pscan_period_mode; - data.pscan_mode = 0x00; + data.pscan_rep_mode = info->pscan_rep_mode; + data.pscan_period_mode = info->pscan_period_mode; + data.pscan_mode = 0x00; memcpy(data.dev_class, info->dev_class, 3); - data.clock_offset = info->clock_offset; - data.rssi = info->rssi; + data.clock_offset = info->clock_offset; + data.rssi = info->rssi; data.ssp_mode = 0x01; - info++; - hci_inquiry_cache_update(hdev, &data); + + if (test_bit(HCI_MGMT, &hdev->dev_flags)) + name_known = eir_has_data_type(info->data, + sizeof(info->data), + EIR_NAME_COMPLETE); + else + name_known = true; + + name_known = hci_inquiry_cache_update(hdev, &data, name_known, + &ssp); + eir_len = eir_get_length(info->data, sizeof(info->data)); + mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, + info->dev_class, info->rssi, !name_known, + ssp, info->data, eir_len, NULL, 0); + } + + hci_dev_unlock(hdev); +} + +static void hci_key_refresh_complete_evt(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_ev_key_refresh_complete *ev = (void *) skb->data; + struct hci_conn *conn; + + BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status, + __le16_to_cpu(ev->handle)); + + hci_dev_lock(hdev); + + conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); + if (!conn) + goto unlock; + + /* For BR/EDR the necessary steps are taken through the + * auth_complete event. + */ + if (conn->type != LE_LINK) + goto unlock; + + if (!ev->status) + conn->sec_level = conn->pending_sec_level; + + clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); + + if (ev->status && conn->state == BT_CONNECTED) { + hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); + hci_conn_drop(conn); + goto unlock; + } + + if (conn->state == BT_CONFIG) { + if (!ev->status) + conn->state = BT_CONNECTED; + + hci_proto_connect_cfm(conn, ev->status); + hci_conn_drop(conn); + } else { + hci_auth_cfm(conn, ev->status); + + hci_conn_hold(conn); + conn->disc_timeout = HCI_DISCONN_TIMEOUT; + hci_conn_drop(conn); } +unlock: hci_dev_unlock(hdev); } -static inline void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb) +static u8 hci_get_auth_req(struct hci_conn *conn) +{ + /* If remote requests no-bonding follow that lead */ + if (conn->remote_auth == HCI_AT_NO_BONDING || + conn->remote_auth == HCI_AT_NO_BONDING_MITM) + return conn->remote_auth | (conn->auth_type & 0x01); + + /* If both remote and local have enough IO capabilities, require + * MITM protection + */ + if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT && + conn->io_capability != HCI_IO_NO_INPUT_OUTPUT) + return conn->remote_auth | 0x01; + + /* No MITM protection possible so ignore remote requirement */ + return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01); +} + +static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_io_capa_request *ev = (void *) skb->data; struct hci_conn *conn; @@ -1790,13 +3518,229 @@ static inline void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff hci_dev_lock(hdev); conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); - if (conn) - hci_conn_hold(conn); + if (!conn) + goto unlock; + + hci_conn_hold(conn); + + if (!test_bit(HCI_MGMT, &hdev->dev_flags)) + goto unlock; + + if (test_bit(HCI_PAIRABLE, &hdev->dev_flags) || + (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) { + struct hci_cp_io_capability_reply cp; + bacpy(&cp.bdaddr, &ev->bdaddr); + /* Change the IO capability from KeyboardDisplay + * to DisplayYesNo as it is not supported by BT spec. */ + cp.capability = (conn->io_capability == 0x04) ? + HCI_IO_DISPLAY_YESNO : conn->io_capability; + + /* If we are initiators, there is no remote information yet */ + if (conn->remote_auth == 0xff) { + cp.authentication = conn->auth_type; + + /* Request MITM protection if our IO caps allow it + * except for the no-bonding case. + * conn->auth_type is not updated here since + * that might cause the user confirmation to be + * rejected in case the remote doesn't have the + * IO capabilities for MITM. + */ + if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT && + cp.authentication != HCI_AT_NO_BONDING) + cp.authentication |= 0x01; + } else { + conn->auth_type = hci_get_auth_req(conn); + cp.authentication = conn->auth_type; + } + + if (hci_find_remote_oob_data(hdev, &conn->dst) && + (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags))) + cp.oob_data = 0x01; + else + cp.oob_data = 0x00; + + hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY, + sizeof(cp), &cp); + } else { + struct hci_cp_io_capability_neg_reply cp; + + bacpy(&cp.bdaddr, &ev->bdaddr); + cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED; + + hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY, + sizeof(cp), &cp); + } + +unlock: hci_dev_unlock(hdev); } -static inline void hci_simple_pair_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_ev_io_capa_reply *ev = (void *) skb->data; + struct hci_conn *conn; + + BT_DBG("%s", hdev->name); + + hci_dev_lock(hdev); + + conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); + if (!conn) + goto unlock; + + conn->remote_cap = ev->capability; + conn->remote_auth = ev->authentication; + if (ev->oob_data) + set_bit(HCI_CONN_REMOTE_OOB, &conn->flags); + +unlock: + hci_dev_unlock(hdev); +} + +static void hci_user_confirm_request_evt(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_ev_user_confirm_req *ev = (void *) skb->data; + int loc_mitm, rem_mitm, confirm_hint = 0; + struct hci_conn *conn; + + BT_DBG("%s", hdev->name); + + hci_dev_lock(hdev); + + if (!test_bit(HCI_MGMT, &hdev->dev_flags)) + goto unlock; + + conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); + if (!conn) + goto unlock; + + loc_mitm = (conn->auth_type & 0x01); + rem_mitm = (conn->remote_auth & 0x01); + + /* If we require MITM but the remote device can't provide that + * (it has NoInputNoOutput) then reject the confirmation request + */ + if (loc_mitm && conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) { + BT_DBG("Rejecting request: remote device can't provide MITM"); + hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY, + sizeof(ev->bdaddr), &ev->bdaddr); + goto unlock; + } + + /* If no side requires MITM protection; auto-accept */ + if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) && + (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) { + + /* If we're not the initiators request authorization to + * proceed from user space (mgmt_user_confirm with + * confirm_hint set to 1). The exception is if neither + * side had MITM in which case we do auto-accept. + */ + if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && + (loc_mitm || rem_mitm)) { + BT_DBG("Confirming auto-accept as acceptor"); + confirm_hint = 1; + goto confirm; + } + + BT_DBG("Auto-accept of user confirmation with %ums delay", + hdev->auto_accept_delay); + + if (hdev->auto_accept_delay > 0) { + int delay = msecs_to_jiffies(hdev->auto_accept_delay); + queue_delayed_work(conn->hdev->workqueue, + &conn->auto_accept_work, delay); + goto unlock; + } + + hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY, + sizeof(ev->bdaddr), &ev->bdaddr); + goto unlock; + } + +confirm: + mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0, + le32_to_cpu(ev->passkey), confirm_hint); + +unlock: + hci_dev_unlock(hdev); +} + +static void hci_user_passkey_request_evt(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_ev_user_passkey_req *ev = (void *) skb->data; + + BT_DBG("%s", hdev->name); + + if (test_bit(HCI_MGMT, &hdev->dev_flags)) + mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0); +} + +static void hci_user_passkey_notify_evt(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_ev_user_passkey_notify *ev = (void *) skb->data; + struct hci_conn *conn; + + BT_DBG("%s", hdev->name); + + conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); + if (!conn) + return; + + conn->passkey_notify = __le32_to_cpu(ev->passkey); + conn->passkey_entered = 0; + + if (test_bit(HCI_MGMT, &hdev->dev_flags)) + mgmt_user_passkey_notify(hdev, &conn->dst, conn->type, + conn->dst_type, conn->passkey_notify, + conn->passkey_entered); +} + +static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_ev_keypress_notify *ev = (void *) skb->data; + struct hci_conn *conn; + + BT_DBG("%s", hdev->name); + + conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); + if (!conn) + return; + + switch (ev->type) { + case HCI_KEYPRESS_STARTED: + conn->passkey_entered = 0; + return; + + case HCI_KEYPRESS_ENTERED: + conn->passkey_entered++; + break; + + case HCI_KEYPRESS_ERASED: + conn->passkey_entered--; + break; + + case HCI_KEYPRESS_CLEARED: + conn->passkey_entered = 0; + break; + + case HCI_KEYPRESS_COMPLETED: + return; + } + + if (test_bit(HCI_MGMT, &hdev->dev_flags)) + mgmt_user_passkey_notify(hdev, &conn->dst, conn->type, + conn->dst_type, conn->passkey_notify, + conn->passkey_entered); +} + +static void hci_simple_pair_complete_evt(struct hci_dev *hdev, + struct sk_buff *skb) { struct hci_ev_simple_pair_complete *ev = (void *) skb->data; struct hci_conn *conn; @@ -1806,25 +3750,550 @@ static inline void hci_simple_pair_complete_evt(struct hci_dev *hdev, struct sk_ hci_dev_lock(hdev); conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); - if (conn) - hci_conn_put(conn); + if (!conn) + goto unlock; + + /* To avoid duplicate auth_failed events to user space we check + * the HCI_CONN_AUTH_PEND flag which will be set if we + * initiated the authentication. A traditional auth_complete + * event gets always produced as initiator and is also mapped to + * the mgmt_auth_failed event */ + if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status) + mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type, + ev->status); + + hci_conn_drop(conn); +unlock: hci_dev_unlock(hdev); } -static inline void hci_remote_host_features_evt(struct hci_dev *hdev, struct sk_buff *skb) +static void hci_remote_host_features_evt(struct hci_dev *hdev, + struct sk_buff *skb) { struct hci_ev_remote_host_features *ev = (void *) skb->data; struct inquiry_entry *ie; + struct hci_conn *conn; + + BT_DBG("%s", hdev->name); + + hci_dev_lock(hdev); + + conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); + if (conn) + memcpy(conn->features[1], ev->features, 8); + + ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); + if (ie) + ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP); + + hci_dev_unlock(hdev); +} + +static void hci_remote_oob_data_request_evt(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_ev_remote_oob_data_request *ev = (void *) skb->data; + struct oob_data *data; BT_DBG("%s", hdev->name); hci_dev_lock(hdev); - if ((ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr))) - ie->data.ssp_mode = (ev->features[0] & 0x01); + if (!test_bit(HCI_MGMT, &hdev->dev_flags)) + goto unlock; + + data = hci_find_remote_oob_data(hdev, &ev->bdaddr); + if (data) { + if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags)) { + struct hci_cp_remote_oob_ext_data_reply cp; + + bacpy(&cp.bdaddr, &ev->bdaddr); + memcpy(cp.hash192, data->hash192, sizeof(cp.hash192)); + memcpy(cp.randomizer192, data->randomizer192, + sizeof(cp.randomizer192)); + memcpy(cp.hash256, data->hash256, sizeof(cp.hash256)); + memcpy(cp.randomizer256, data->randomizer256, + sizeof(cp.randomizer256)); + + hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY, + sizeof(cp), &cp); + } else { + struct hci_cp_remote_oob_data_reply cp; + + bacpy(&cp.bdaddr, &ev->bdaddr); + memcpy(cp.hash, data->hash192, sizeof(cp.hash)); + memcpy(cp.randomizer, data->randomizer192, + sizeof(cp.randomizer)); + + hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, + sizeof(cp), &cp); + } + } else { + struct hci_cp_remote_oob_data_neg_reply cp; + + bacpy(&cp.bdaddr, &ev->bdaddr); + hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, + sizeof(cp), &cp); + } + +unlock: + hci_dev_unlock(hdev); +} + +static void hci_phy_link_complete_evt(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_ev_phy_link_complete *ev = (void *) skb->data; + struct hci_conn *hcon, *bredr_hcon; + + BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle, + ev->status); + + hci_dev_lock(hdev); + + hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); + if (!hcon) { + hci_dev_unlock(hdev); + return; + } + + if (ev->status) { + hci_conn_del(hcon); + hci_dev_unlock(hdev); + return; + } + + bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon; + + hcon->state = BT_CONNECTED; + bacpy(&hcon->dst, &bredr_hcon->dst); + + hci_conn_hold(hcon); + hcon->disc_timeout = HCI_DISCONN_TIMEOUT; + hci_conn_drop(hcon); + + hci_conn_add_sysfs(hcon); + + amp_physical_cfm(bredr_hcon, hcon); + + hci_dev_unlock(hdev); +} + +static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_ev_logical_link_complete *ev = (void *) skb->data; + struct hci_conn *hcon; + struct hci_chan *hchan; + struct amp_mgr *mgr; + + BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x", + hdev->name, le16_to_cpu(ev->handle), ev->phy_handle, + ev->status); + + hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); + if (!hcon) + return; + + /* Create AMP hchan */ + hchan = hci_chan_create(hcon); + if (!hchan) + return; + + hchan->handle = le16_to_cpu(ev->handle); + + BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan); + + mgr = hcon->amp_mgr; + if (mgr && mgr->bredr_chan) { + struct l2cap_chan *bredr_chan = mgr->bredr_chan; + + l2cap_chan_lock(bredr_chan); + + bredr_chan->conn->mtu = hdev->block_mtu; + l2cap_logical_cfm(bredr_chan, hchan, 0); + hci_conn_hold(hcon); + + l2cap_chan_unlock(bredr_chan); + } +} + +static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data; + struct hci_chan *hchan; + + BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name, + le16_to_cpu(ev->handle), ev->status); + + if (ev->status) + return; + + hci_dev_lock(hdev); + + hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle)); + if (!hchan) + goto unlock; + + amp_destroy_logical_link(hchan, ev->reason); + +unlock: + hci_dev_unlock(hdev); +} + +static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data; + struct hci_conn *hcon; + + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); + + if (ev->status) + return; + + hci_dev_lock(hdev); + + hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); + if (hcon) { + hcon->state = BT_CLOSED; + hci_conn_del(hcon); + } + + hci_dev_unlock(hdev); +} + +static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_ev_le_conn_complete *ev = (void *) skb->data; + struct hci_conn *conn; + struct smp_irk *irk; + + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); + + hci_dev_lock(hdev); + + conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT); + if (!conn) { + conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr); + if (!conn) { + BT_ERR("No memory for new connection"); + goto unlock; + } + + conn->dst_type = ev->bdaddr_type; + + if (ev->role == LE_CONN_ROLE_MASTER) { + conn->out = true; + conn->link_mode |= HCI_LM_MASTER; + } + + /* If we didn't have a hci_conn object previously + * but we're in master role this must be something + * initiated using a white list. Since white list based + * connections are not "first class citizens" we don't + * have full tracking of them. Therefore, we go ahead + * with a "best effort" approach of determining the + * initiator address based on the HCI_PRIVACY flag. + */ + if (conn->out) { + conn->resp_addr_type = ev->bdaddr_type; + bacpy(&conn->resp_addr, &ev->bdaddr); + if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) { + conn->init_addr_type = ADDR_LE_DEV_RANDOM; + bacpy(&conn->init_addr, &hdev->rpa); + } else { + hci_copy_identity_address(hdev, + &conn->init_addr, + &conn->init_addr_type); + } + } + } else { + cancel_delayed_work(&conn->le_conn_timeout); + } + + if (!conn->out) { + /* Set the responder (our side) address type based on + * the advertising address type. + */ + conn->resp_addr_type = hdev->adv_addr_type; + if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM) + bacpy(&conn->resp_addr, &hdev->random_addr); + else + bacpy(&conn->resp_addr, &hdev->bdaddr); + + conn->init_addr_type = ev->bdaddr_type; + bacpy(&conn->init_addr, &ev->bdaddr); + } + + /* Lookup the identity address from the stored connection + * address and address type. + * + * When establishing connections to an identity address, the + * connection procedure will store the resolvable random + * address first. Now if it can be converted back into the + * identity address, start using the identity address from + * now on. + */ + irk = hci_get_irk(hdev, &conn->dst, conn->dst_type); + if (irk) { + bacpy(&conn->dst, &irk->bdaddr); + conn->dst_type = irk->addr_type; + } + + if (ev->status) { + hci_le_conn_failed(conn, ev->status); + goto unlock; + } + + if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) + mgmt_device_connected(hdev, &conn->dst, conn->type, + conn->dst_type, 0, NULL, 0, NULL); + + conn->sec_level = BT_SECURITY_LOW; + conn->handle = __le16_to_cpu(ev->handle); + conn->state = BT_CONNECTED; + + if (test_bit(HCI_6LOWPAN_ENABLED, &hdev->dev_flags)) + set_bit(HCI_CONN_6LOWPAN, &conn->flags); + + hci_conn_add_sysfs(conn); + + hci_proto_connect_cfm(conn, ev->status); + + hci_pend_le_conn_del(hdev, &conn->dst, conn->dst_type); + +unlock: + hci_dev_unlock(hdev); +} + +/* This function requires the caller holds hdev->lock */ +static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr, + u8 addr_type) +{ + struct hci_conn *conn; + struct smp_irk *irk; + + /* If this is a resolvable address, we should resolve it and then + * update address and address type variables. + */ + irk = hci_get_irk(hdev, addr, addr_type); + if (irk) { + addr = &irk->bdaddr; + addr_type = irk->addr_type; + } + + if (!hci_pend_le_conn_lookup(hdev, addr, addr_type)) + return; + + conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW, + HCI_AT_NO_BONDING); + if (!IS_ERR(conn)) + return; + + switch (PTR_ERR(conn)) { + case -EBUSY: + /* If hci_connect() returns -EBUSY it means there is already + * an LE connection attempt going on. Since controllers don't + * support more than one connection attempt at the time, we + * don't consider this an error case. + */ + break; + default: + BT_DBG("Failed to connect: err %ld", PTR_ERR(conn)); + } +} + +static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr, + u8 bdaddr_type, s8 rssi, u8 *data, u8 len) +{ + struct discovery_state *d = &hdev->discovery; + bool match; + + /* Passive scanning shouldn't trigger any device found events */ + if (hdev->le_scan_type == LE_SCAN_PASSIVE) { + if (type == LE_ADV_IND || type == LE_ADV_DIRECT_IND) + check_pending_le_conn(hdev, bdaddr, bdaddr_type); + return; + } + + /* If there's nothing pending either store the data from this + * event or send an immediate device found event if the data + * should not be stored for later. + */ + if (!has_pending_adv_report(hdev)) { + /* If the report will trigger a SCAN_REQ store it for + * later merging. + */ + if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) { + store_pending_adv_report(hdev, bdaddr, bdaddr_type, + rssi, data, len); + return; + } + + mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL, + rssi, 0, 1, data, len, NULL, 0); + return; + } + + /* Check if the pending report is for the same device as the new one */ + match = (!bacmp(bdaddr, &d->last_adv_addr) && + bdaddr_type == d->last_adv_addr_type); + + /* If the pending data doesn't match this report or this isn't a + * scan response (e.g. we got a duplicate ADV_IND) then force + * sending of the pending data. + */ + if (type != LE_ADV_SCAN_RSP || !match) { + /* Send out whatever is in the cache, but skip duplicates */ + if (!match) + mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK, + d->last_adv_addr_type, NULL, + d->last_adv_rssi, 0, 1, + d->last_adv_data, + d->last_adv_data_len, NULL, 0); + + /* If the new report will trigger a SCAN_REQ store it for + * later merging. + */ + if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) { + store_pending_adv_report(hdev, bdaddr, bdaddr_type, + rssi, data, len); + return; + } + + /* The advertising reports cannot be merged, so clear + * the pending report and send out a device found event. + */ + clear_pending_adv_report(hdev); + mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL, + rssi, 0, 1, data, len, NULL, 0); + return; + } + + /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and + * the new event is a SCAN_RSP. We can therefore proceed with + * sending a merged device found event. + */ + mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK, + d->last_adv_addr_type, NULL, rssi, 0, 1, data, len, + d->last_adv_data, d->last_adv_data_len); + clear_pending_adv_report(hdev); +} + +static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb) +{ + u8 num_reports = skb->data[0]; + void *ptr = &skb->data[1]; + + hci_dev_lock(hdev); + + while (num_reports--) { + struct hci_ev_le_advertising_info *ev = ptr; + s8 rssi; + + rssi = ev->data[ev->length]; + process_adv_report(hdev, ev->evt_type, &ev->bdaddr, + ev->bdaddr_type, rssi, ev->data, ev->length); + + ptr += sizeof(*ev) + ev->length + 1; + } + + hci_dev_unlock(hdev); +} + +static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_ev_le_ltk_req *ev = (void *) skb->data; + struct hci_cp_le_ltk_reply cp; + struct hci_cp_le_ltk_neg_reply neg; + struct hci_conn *conn; + struct smp_ltk *ltk; + + BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle)); + + hci_dev_lock(hdev); + + conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); + if (conn == NULL) + goto not_found; + + ltk = hci_find_ltk(hdev, ev->ediv, ev->rand, conn->out); + if (ltk == NULL) + goto not_found; + + memcpy(cp.ltk, ltk->val, sizeof(ltk->val)); + cp.handle = cpu_to_le16(conn->handle); + + if (ltk->authenticated) + conn->pending_sec_level = BT_SECURITY_HIGH; + else + conn->pending_sec_level = BT_SECURITY_MEDIUM; + + conn->enc_key_size = ltk->enc_size; + + hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp); + + /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a + * temporary key used to encrypt a connection following + * pairing. It is used during the Encrypted Session Setup to + * distribute the keys. Later, security can be re-established + * using a distributed LTK. + */ + if (ltk->type == HCI_SMP_STK_SLAVE) { + list_del(<k->list); + kfree(ltk); + } hci_dev_unlock(hdev); + + return; + +not_found: + neg.handle = ev->handle; + hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg); + hci_dev_unlock(hdev); +} + +static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_ev_le_meta *le_ev = (void *) skb->data; + + skb_pull(skb, sizeof(*le_ev)); + + switch (le_ev->subevent) { + case HCI_EV_LE_CONN_COMPLETE: + hci_le_conn_complete_evt(hdev, skb); + break; + + case HCI_EV_LE_ADVERTISING_REPORT: + hci_le_adv_report_evt(hdev, skb); + break; + + case HCI_EV_LE_LTK_REQ: + hci_le_ltk_request_evt(hdev, skb); + break; + + default: + break; + } +} + +static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_ev_channel_selected *ev = (void *) skb->data; + struct hci_conn *hcon; + + BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle); + + skb_pull(skb, sizeof(*ev)); + + hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); + if (!hcon) + return; + + amp_read_loc_assoc_final_data(hdev, hcon); } void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) @@ -1832,8 +4301,27 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) struct hci_event_hdr *hdr = (void *) skb->data; __u8 event = hdr->evt; + hci_dev_lock(hdev); + + /* Received events are (currently) only needed when a request is + * ongoing so avoid unnecessary memory allocation. + */ + if (hdev->req_status == HCI_REQ_PEND) { + kfree_skb(hdev->recv_evt); + hdev->recv_evt = skb_clone(skb, GFP_KERNEL); + } + + hci_dev_unlock(hdev); + skb_pull(skb, HCI_EVENT_HDR_SIZE); + if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) { + struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data; + u16 opcode = __le16_to_cpu(cmd_hdr->opcode); + + hci_req_cmd_complete(hdev, opcode, 0); + } + switch (event) { case HCI_EV_INQUIRY_COMPLETE: hci_inquiry_complete_evt(hdev, skb); @@ -1875,14 +4363,6 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) hci_remote_features_evt(hdev, skb); break; - case HCI_EV_REMOTE_VERSION: - hci_remote_version_evt(hdev, skb); - break; - - case HCI_EV_QOS_SETUP_COMPLETE: - hci_qos_setup_complete_evt(hdev, skb); - break; - case HCI_EV_CMD_COMPLETE: hci_cmd_complete_evt(hdev, skb); break; @@ -1939,22 +4419,38 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) hci_sync_conn_complete_evt(hdev, skb); break; - case HCI_EV_SYNC_CONN_CHANGED: - hci_sync_conn_changed_evt(hdev, skb); - break; - - case HCI_EV_SNIFF_SUBRATE: - hci_sniff_subrate_evt(hdev, skb); - break; - case HCI_EV_EXTENDED_INQUIRY_RESULT: hci_extended_inquiry_result_evt(hdev, skb); break; + case HCI_EV_KEY_REFRESH_COMPLETE: + hci_key_refresh_complete_evt(hdev, skb); + break; + case HCI_EV_IO_CAPA_REQUEST: hci_io_capa_request_evt(hdev, skb); break; + case HCI_EV_IO_CAPA_REPLY: + hci_io_capa_reply_evt(hdev, skb); + break; + + case HCI_EV_USER_CONFIRM_REQUEST: + hci_user_confirm_request_evt(hdev, skb); + break; + + case HCI_EV_USER_PASSKEY_REQUEST: + hci_user_passkey_request_evt(hdev, skb); + break; + + case HCI_EV_USER_PASSKEY_NOTIFY: + hci_user_passkey_notify_evt(hdev, skb); + break; + + case HCI_EV_KEYPRESS_NOTIFY: + hci_keypress_notify_evt(hdev, skb); + break; + case HCI_EV_SIMPLE_PAIR_COMPLETE: hci_simple_pair_complete_evt(hdev, skb); break; @@ -1963,39 +4459,43 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) hci_remote_host_features_evt(hdev, skb); break; - default: - BT_DBG("%s event 0x%x", hdev->name, event); + case HCI_EV_LE_META: + hci_le_meta_evt(hdev, skb); break; - } - kfree_skb(skb); - hdev->stat.evt_rx++; -} + case HCI_EV_CHANNEL_SELECTED: + hci_chan_selected_evt(hdev, skb); + break; -/* Generate internal stack event */ -void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data) -{ - struct hci_event_hdr *hdr; - struct hci_ev_stack_internal *ev; - struct sk_buff *skb; + case HCI_EV_REMOTE_OOB_DATA_REQUEST: + hci_remote_oob_data_request_evt(hdev, skb); + break; - skb = bt_skb_alloc(HCI_EVENT_HDR_SIZE + sizeof(*ev) + dlen, GFP_ATOMIC); - if (!skb) - return; + case HCI_EV_PHY_LINK_COMPLETE: + hci_phy_link_complete_evt(hdev, skb); + break; - hdr = (void *) skb_put(skb, HCI_EVENT_HDR_SIZE); - hdr->evt = HCI_EV_STACK_INTERNAL; - hdr->plen = sizeof(*ev) + dlen; + case HCI_EV_LOGICAL_LINK_COMPLETE: + hci_loglink_complete_evt(hdev, skb); + break; + + case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE: + hci_disconn_loglink_complete_evt(hdev, skb); + break; + + case HCI_EV_DISCONN_PHY_LINK_COMPLETE: + hci_disconn_phylink_complete_evt(hdev, skb); + break; - ev = (void *) skb_put(skb, sizeof(*ev) + dlen); - ev->type = type; - memcpy(ev->data, data, dlen); + case HCI_EV_NUM_COMP_BLOCKS: + hci_num_comp_blocks_evt(hdev, skb); + break; - bt_cb(skb)->incoming = 1; - __net_timestamp(skb); + default: + BT_DBG("%s event 0x%2.2x", hdev->name, event); + break; + } - bt_cb(skb)->pkt_type = HCI_EVENT_PKT; - skb->dev = (void *) hdev; - hci_send_to_sock(hdev, skb); kfree_skb(skb); + hdev->stat.evt_rx++; } |