diff options
Diffstat (limited to 'net/bluetooth/hci_event.c')
-rw-r--r-- | net/bluetooth/hci_event.c | 351 |
1 files changed, 325 insertions, 26 deletions
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 0383635f91f..9f5c5f24450 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -24,7 +24,6 @@ /* Bluetooth HCI event handling. */ -#include <linux/export.h> #include <asm/unaligned.h> #include <net/bluetooth/bluetooth.h> @@ -203,6 +202,11 @@ static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb) BIT(HCI_PERIODIC_INQ)); 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; } static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb) @@ -225,6 +229,9 @@ static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb) hci_dev_unlock(hdev); + if (!status && !test_bit(HCI_INIT, &hdev->flags)) + hci_update_ad(hdev); + hci_req_complete(hdev, HCI_OP_WRITE_LOCAL_NAME, status); } @@ -440,7 +447,7 @@ static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) 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%2.2x", hdev->name, status); @@ -448,10 +455,17 @@ static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb) if (!sent) return; + if (!status) { + if (sent->mode) + hdev->host_features[0] |= LMP_HOST_SSP; + else + hdev->host_features[0] &= ~LMP_HOST_SSP; + } + if (test_bit(HCI_MGMT, &hdev->dev_flags)) - mgmt_ssp_enable_complete(hdev, *((u8 *) sent), status); + mgmt_ssp_enable_complete(hdev, sent->mode, status); else if (!status) { - if (*((u8 *) sent)) + if (sent->mode) set_bit(HCI_SSP_ENABLED, &hdev->dev_flags); else clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags); @@ -460,10 +474,10 @@ static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb) static u8 hci_get_inquiry_mode(struct hci_dev *hdev) { - if (hdev->features[6] & LMP_EXT_INQ) + if (lmp_ext_inq_capable(hdev)) return 2; - if (hdev->features[3] & LMP_RSSI_INQ) + if (lmp_inq_rssi_capable(hdev)) return 1; if (hdev->manufacturer == 11 && hdev->hci_rev == 0x00 && @@ -507,28 +521,30 @@ static void hci_setup_event_mask(struct hci_dev *hdev) if (hdev->hci_ver < BLUETOOTH_VER_1_2) return; - events[4] |= 0x01; /* Flow Specification Complete */ - events[4] |= 0x02; /* Inquiry Result with RSSI */ - events[4] |= 0x04; /* Read Remote Extended Features Complete */ - events[5] |= 0x08; /* Synchronous Connection Complete */ - events[5] |= 0x10; /* Synchronous Connection Changed */ + if (lmp_bredr_capable(hdev)) { + events[4] |= 0x01; /* Flow Specification Complete */ + events[4] |= 0x02; /* Inquiry Result with RSSI */ + events[4] |= 0x04; /* Read Remote Extended Features Complete */ + events[5] |= 0x08; /* Synchronous Connection Complete */ + events[5] |= 0x10; /* Synchronous Connection Changed */ + } - if (hdev->features[3] & LMP_RSSI_INQ) + if (lmp_inq_rssi_capable(hdev)) events[4] |= 0x02; /* Inquiry Result with RSSI */ if (lmp_sniffsubr_capable(hdev)) events[5] |= 0x20; /* Sniff Subrating */ - if (hdev->features[5] & LMP_PAUSE_ENC) + if (lmp_pause_enc_capable(hdev)) events[5] |= 0x80; /* Encryption Key Refresh Complete */ - if (hdev->features[6] & LMP_EXT_INQ) + if (lmp_ext_inq_capable(hdev)) events[5] |= 0x40; /* Extended Inquiry Result */ if (lmp_no_flush_capable(hdev)) events[7] |= 0x01; /* Enhanced Flush Complete */ - if (hdev->features[7] & LMP_LSTO) + if (lmp_lsto_capable(hdev)) events[6] |= 0x80; /* Link Supervision Timeout Changed */ if (lmp_ssp_capable(hdev)) { @@ -548,6 +564,53 @@ static void hci_setup_event_mask(struct hci_dev *hdev) events[7] |= 0x20; /* LE Meta-Event */ hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events); + + if (lmp_le_capable(hdev)) { + memset(events, 0, sizeof(events)); + events[0] = 0x1f; + hci_send_cmd(hdev, HCI_OP_LE_SET_EVENT_MASK, + sizeof(events), events); + } +} + +static void bredr_setup(struct hci_dev *hdev) +{ + struct hci_cp_delete_stored_link_key cp; + __le16 param; + __u8 flt_type; + + /* Read Buffer Size (ACL mtu, max pkt, etc.) */ + hci_send_cmd(hdev, HCI_OP_READ_BUFFER_SIZE, 0, NULL); + + /* Read Class of Device */ + hci_send_cmd(hdev, HCI_OP_READ_CLASS_OF_DEV, 0, NULL); + + /* Read Local Name */ + hci_send_cmd(hdev, HCI_OP_READ_LOCAL_NAME, 0, NULL); + + /* Read Voice Setting */ + hci_send_cmd(hdev, HCI_OP_READ_VOICE_SETTING, 0, NULL); + + /* Clear Event Filters */ + flt_type = HCI_FLT_CLEAR_ALL; + hci_send_cmd(hdev, HCI_OP_SET_EVENT_FLT, 1, &flt_type); + + /* Connection accept timeout ~20 secs */ + param = __constant_cpu_to_le16(0x7d00); + hci_send_cmd(hdev, HCI_OP_WRITE_CA_TIMEOUT, 2, ¶m); + + bacpy(&cp.bdaddr, BDADDR_ANY); + cp.delete_all = 1; + hci_send_cmd(hdev, HCI_OP_DELETE_STORED_LINK_KEY, sizeof(cp), &cp); +} + +static void le_setup(struct hci_dev *hdev) +{ + /* Read LE Buffer Size */ + hci_send_cmd(hdev, HCI_OP_LE_READ_BUFFER_SIZE, 0, NULL); + + /* Read LE Advertising Channel TX Power */ + hci_send_cmd(hdev, HCI_OP_LE_READ_ADV_TX_POWER, 0, NULL); } static void hci_setup(struct hci_dev *hdev) @@ -555,6 +618,15 @@ static void hci_setup(struct hci_dev *hdev) if (hdev->dev_type != HCI_BREDR) return; + /* Read BD Address */ + hci_send_cmd(hdev, HCI_OP_READ_BD_ADDR, 0, NULL); + + if (lmp_bredr_capable(hdev)) + bredr_setup(hdev); + + if (lmp_le_capable(hdev)) + le_setup(hdev); + hci_setup_event_mask(hdev); if (hdev->hci_ver > BLUETOOTH_VER_1_1) @@ -575,13 +647,13 @@ static void hci_setup(struct hci_dev *hdev) } } - if (hdev->features[3] & LMP_RSSI_INQ) + if (lmp_inq_rssi_capable(hdev)) hci_setup_inquiry_mode(hdev); - if (hdev->features[7] & LMP_INQ_TX_PWR) + if (lmp_inq_tx_pwr_capable(hdev)) hci_send_cmd(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL); - if (hdev->features[7] & LMP_EXTFEATURES) { + if (lmp_ext_feat_capable(hdev)) { struct hci_cp_read_local_ext_features cp; cp.page = 0x01; @@ -628,11 +700,11 @@ static void hci_setup_link_policy(struct hci_dev *hdev) if (lmp_rswitch_capable(hdev)) link_policy |= HCI_LP_RSWITCH; - if (hdev->features[0] & LMP_HOLD) + if (lmp_hold_capable(hdev)) link_policy |= HCI_LP_HOLD; if (lmp_sniff_capable(hdev)) link_policy |= HCI_LP_SNIFF; - if (hdev->features[1] & LMP_PARK) + if (lmp_park_capable(hdev)) link_policy |= HCI_LP_PARK; cp.policy = cpu_to_le16(link_policy); @@ -722,10 +794,10 @@ static void hci_set_le_support(struct hci_dev *hdev) if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) { cp.le = 1; - cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR); + cp.simul = !!lmp_le_br_capable(hdev); } - if (cp.le != !!(hdev->host_features[0] & LMP_HOST_LE)) + if (cp.le != !!lmp_host_le_capable(hdev)) hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp), &cp); } @@ -1018,6 +1090,31 @@ static void hci_cc_le_read_buffer_size(struct hci_dev *hdev, hci_req_complete(hdev, HCI_OP_LE_READ_BUFFER_SIZE, rp->status); } +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; + if (!test_bit(HCI_INIT, &hdev->flags)) + hci_update_ad(hdev); + } + + hci_req_complete(hdev, HCI_OP_LE_READ_ADV_TX_POWER, rp->status); +} + +static void hci_cc_le_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb) +{ + __u8 status = *((__u8 *) skb->data); + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + hci_req_complete(hdev, HCI_OP_LE_SET_EVENT_MASK, status); +} + 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; @@ -1093,6 +1190,33 @@ static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev, 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; + + hci_dev_lock(hdev); + + if (!status) { + if (*sent) + set_bit(HCI_LE_PERIPHERAL, &hdev->dev_flags); + else + clear_bit(HCI_LE_PERIPHERAL, &hdev->dev_flags); + } + + hci_dev_unlock(hdev); + + if (!test_bit(HCI_INIT, &hdev->flags)) + hci_update_ad(hdev); + + hci_req_complete(hdev, HCI_OP_LE_SET_ADV_ENABLE, status); +} + static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); @@ -1207,6 +1331,11 @@ static void hci_cc_write_le_host_supported(struct hci_dev *hdev, hdev->host_features[0] |= LMP_HOST_LE; else hdev->host_features[0] &= ~LMP_HOST_LE; + + if (sent->simul) + hdev->host_features[0] |= LMP_HOST_LE_BREDR; + else + hdev->host_features[0] &= ~LMP_HOST_LE_BREDR; } if (test_bit(HCI_MGMT, &hdev->dev_flags) && @@ -1718,14 +1847,23 @@ static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status) BT_DBG("%s status 0x%2.2x", hdev->name, status); - if (status) - return; - cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK); if (!cp) return; - amp_write_remote_assoc(hdev, cp->phy_handle); + 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) @@ -1744,6 +1882,11 @@ static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status) amp_write_remote_assoc(hdev, cp->phy_handle); } +static void hci_cs_create_logical_link(struct hci_dev *hdev, u8 status) +{ + BT_DBG("%s status 0x%2.2x", hdev->name, status); +} + static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); @@ -2441,6 +2584,14 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_cc_le_read_buffer_size(hdev, skb); break; + case HCI_OP_LE_READ_ADV_TX_POWER: + hci_cc_le_read_adv_tx_power(hdev, skb); + break; + + case HCI_OP_LE_SET_EVENT_MASK: + hci_cc_le_set_event_mask(hdev, skb); + break; + case HCI_OP_USER_CONFIRM_REPLY: hci_cc_user_confirm_reply(hdev, skb); break; @@ -2461,6 +2612,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_cc_le_set_scan_param(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_ENABLE: hci_cc_le_set_scan_enable(hdev, skb); break; @@ -2570,6 +2725,10 @@ static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_cs_accept_phylink(hdev, ev->status); break; + case HCI_OP_CREATE_LOGICAL_LINK: + hci_cs_create_logical_link(hdev, ev->status); + break; + default: BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode); break; @@ -3544,6 +3703,130 @@ 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_put(hcon); + + hci_conn_hold_device(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; @@ -3871,6 +4154,22 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) hci_remote_oob_data_request_evt(hdev, skb); break; + case HCI_EV_PHY_LINK_COMPLETE: + hci_phy_link_complete_evt(hdev, skb); + break; + + 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; + case HCI_EV_NUM_COMP_BLOCKS: hci_num_comp_blocks_evt(hdev, skb); break; |