diff options
Diffstat (limited to 'net/bluetooth/mgmt.c')
| -rw-r--r-- | net/bluetooth/mgmt.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 8aec7fbe9a38..1eca36e51706 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -120,6 +120,7 @@ static const u16 mgmt_commands[] = { MGMT_OP_GET_DEVICE_FLAGS, MGMT_OP_SET_DEVICE_FLAGS, MGMT_OP_READ_ADV_MONITOR_FEATURES, + MGMT_OP_ADD_ADV_PATTERNS_MONITOR, }; static const u16 mgmt_events[] = { @@ -4020,6 +4021,103 @@ static int read_adv_mon_features(struct sock *sk, struct hci_dev *hdev, MGMT_STATUS_SUCCESS, rp, rp_size); } +static int add_adv_patterns_monitor(struct sock *sk, struct hci_dev *hdev, + void *data, u16 len) +{ + struct mgmt_cp_add_adv_patterns_monitor *cp = data; + struct mgmt_rp_add_adv_patterns_monitor rp; + struct adv_monitor *m = NULL; + struct adv_pattern *p = NULL; + __u8 cp_ofst = 0, cp_len = 0; + unsigned int mp_cnt = 0; + int err, i; + + BT_DBG("request for %s", hdev->name); + + if (len <= sizeof(*cp) || cp->pattern_count == 0) { + err = mgmt_cmd_status(sk, hdev->id, + MGMT_OP_ADD_ADV_PATTERNS_MONITOR, + MGMT_STATUS_INVALID_PARAMS); + goto failed; + } + + m = kmalloc(sizeof(*m), GFP_KERNEL); + if (!m) { + err = -ENOMEM; + goto failed; + } + + INIT_LIST_HEAD(&m->patterns); + m->active = false; + + for (i = 0; i < cp->pattern_count; i++) { + if (++mp_cnt > HCI_MAX_ADV_MONITOR_NUM_PATTERNS) { + err = mgmt_cmd_status(sk, hdev->id, + MGMT_OP_ADD_ADV_PATTERNS_MONITOR, + MGMT_STATUS_INVALID_PARAMS); + goto failed; + } + + cp_ofst = cp->patterns[i].offset; + cp_len = cp->patterns[i].length; + if (cp_ofst >= HCI_MAX_AD_LENGTH || + cp_len > HCI_MAX_AD_LENGTH || + (cp_ofst + cp_len) > HCI_MAX_AD_LENGTH) { + err = mgmt_cmd_status(sk, hdev->id, + MGMT_OP_ADD_ADV_PATTERNS_MONITOR, + MGMT_STATUS_INVALID_PARAMS); + goto failed; + } + + p = kmalloc(sizeof(*p), GFP_KERNEL); + if (!p) { + err = -ENOMEM; + goto failed; + } + + p->ad_type = cp->patterns[i].ad_type; + p->offset = cp->patterns[i].offset; + p->length = cp->patterns[i].length; + memcpy(p->value, cp->patterns[i].value, p->length); + + INIT_LIST_HEAD(&p->list); + list_add(&p->list, &m->patterns); + } + + if (mp_cnt != cp->pattern_count) { + err = mgmt_cmd_status(sk, hdev->id, + MGMT_OP_ADD_ADV_PATTERNS_MONITOR, + MGMT_STATUS_INVALID_PARAMS); + goto failed; + } + + hci_dev_lock(hdev); + + err = hci_add_adv_monitor(hdev, m); + if (err) { + if (err == -ENOSPC) { + mgmt_cmd_status(sk, hdev->id, + MGMT_OP_ADD_ADV_PATTERNS_MONITOR, + MGMT_STATUS_NO_RESOURCES); + } + goto unlock; + } + + hci_dev_unlock(hdev); + + rp.monitor_handle = cpu_to_le16(m->handle); + + return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_ADV_PATTERNS_MONITOR, + MGMT_STATUS_SUCCESS, &rp, sizeof(rp)); + +unlock: + hci_dev_unlock(hdev); + +failed: + hci_free_adv_monitor(m); + return err; +} + static void read_local_oob_data_complete(struct hci_dev *hdev, u8 status, u16 opcode, struct sk_buff *skb) { @@ -7489,6 +7587,8 @@ static const struct hci_mgmt_handler mgmt_handlers[] = { { get_device_flags, MGMT_GET_DEVICE_FLAGS_SIZE }, { set_device_flags, MGMT_SET_DEVICE_FLAGS_SIZE }, { read_adv_mon_features, MGMT_READ_ADV_MONITOR_FEATURES_SIZE }, + { add_adv_patterns_monitor,MGMT_ADD_ADV_PATTERNS_MONITOR_SIZE, + HCI_MGMT_VAR_LEN }, }; void mgmt_index_added(struct hci_dev *hdev) |