| /* |
| BlueZ - Bluetooth protocol stack for Linux |
| Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. |
| |
| Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License version 2 as |
| published by the Free Software Foundation; |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. |
| IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY |
| CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES |
| WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| |
| ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, |
| COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS |
| SOFTWARE IS DISCLAIMED. |
| */ |
| |
| /* 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 <linux/uaccess.h> |
| #include <asm/unaligned.h> |
| |
| #include <net/bluetooth/bluetooth.h> |
| #include <net/bluetooth/hci_core.h> |
| |
| /* Handle HCI Event packets */ |
| |
| 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); |
| |
| if (status) |
| return; |
| |
| clear_bit(HCI_INQUIRY, &hdev->flags); |
| |
| hci_req_complete(hdev, status); |
| |
| hci_conn_check_pending(hdev); |
| } |
| |
| 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); |
| |
| if (status) |
| return; |
| |
| clear_bit(HCI_INQUIRY, &hdev->flags); |
| |
| hci_conn_check_pending(hdev); |
| } |
| |
| static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev, struct sk_buff *skb) |
| { |
| BT_DBG("%s", hdev->name); |
| } |
| |
| 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); |
| |
| if (rp->status) |
| return; |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); |
| if (conn) { |
| if (rp->role) |
| conn->link_mode &= ~HCI_LM_MASTER; |
| else |
| conn->link_mode |= HCI_LM_MASTER; |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| 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); |
| |
| if (rp->status) |
| return; |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); |
| if (conn) |
| conn->link_policy = __le16_to_cpu(rp->policy); |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb) |
| { |
| struct hci_rp_write_link_policy *rp = (void *) skb->data; |
| struct hci_conn *conn; |
| void *sent; |
| |
| BT_DBG("%s status 0x%x", hdev->name, rp->status); |
| |
| if (rp->status) |
| return; |
| |
| sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY); |
| if (!sent) |
| return; |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); |
| if (conn) |
| conn->link_policy = get_unaligned_le16(sent + 2); |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| 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); |
| |
| if (rp->status) |
| return; |
| |
| hdev->link_policy = __le16_to_cpu(rp->policy); |
| } |
| |
| 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); |
| |
| sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY); |
| if (!sent) |
| return; |
| |
| 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); |
| |
| hci_req_complete(hdev, status); |
| } |
| |
| 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; |
| |
| sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME); |
| if (!sent) |
| return; |
| |
| memcpy(hdev->dev_name, sent, 248); |
| } |
| |
| 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); |
| |
| if (rp->status) |
| return; |
| |
| memcpy(hdev->dev_name, rp->name, 248); |
| } |
| |
| 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); |
| |
| sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE); |
| if (!sent) |
| return; |
| |
| if (!status) { |
| __u8 param = *((__u8 *) sent); |
| |
| if (param == AUTH_ENABLED) |
| set_bit(HCI_AUTH, &hdev->flags); |
| else |
| clear_bit(HCI_AUTH, &hdev->flags); |
| } |
| |
| hci_req_complete(hdev, status); |
| } |
| |
| 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); |
| |
| sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE); |
| if (!sent) |
| return; |
| |
| if (!status) { |
| __u8 param = *((__u8 *) sent); |
| |
| if (param) |
| set_bit(HCI_ENCRYPT, &hdev->flags); |
| 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); |
| void *sent; |
| |
| BT_DBG("%s status 0x%x", 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); |
| |
| if (param & SCAN_INQUIRY) |
| set_bit(HCI_ISCAN, &hdev->flags); |
| |
| if (param & SCAN_PAGE) |
| set_bit(HCI_PSCAN, &hdev->flags); |
| } |
| |
| hci_req_complete(hdev, status); |
| } |
| |
| 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); |
| |
| if (rp->status) |
| return; |
| |
| 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]); |
| } |
| |
| 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; |
| |
| sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV); |
| if (!sent) |
| return; |
| |
| memcpy(hdev->dev_class, sent, 3); |
| } |
| |
| 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); |
| |
| if (rp->status) |
| return; |
| |
| setting = __le16_to_cpu(rp->voice_setting); |
| |
| if (hdev->voice_setting == setting) |
| return; |
| |
| hdev->voice_setting = setting; |
| |
| BT_DBG("%s voice setting 0x%04x", hdev->name, setting); |
| |
| if (hdev->notify) { |
| tasklet_disable(&hdev->tx_task); |
| 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) |
| { |
| __u8 status = *((__u8 *) skb->data); |
| __u16 setting; |
| void *sent; |
| |
| BT_DBG("%s status 0x%x", hdev->name, status); |
| |
| if (status) |
| return; |
| |
| sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING); |
| if (!sent) |
| return; |
| |
| setting = get_unaligned_le16(sent); |
| |
| if (hdev->voice_setting == setting) |
| return; |
| |
| hdev->voice_setting = setting; |
| |
| BT_DBG("%s voice setting 0x%04x", hdev->name, setting); |
| |
| if (hdev->notify) { |
| tasklet_disable(&hdev->tx_task); |
| 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) |
| { |
| __u8 status = *((__u8 *) skb->data); |
| |
| BT_DBG("%s status 0x%x", hdev->name, status); |
| |
| 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); |
| |
| if (rp->status) |
| return; |
| |
| hdev->ssp_mode = rp->mode; |
| } |
| |
| static void hci_cc_write_ssp_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); |
| |
| if (status) |
| return; |
| |
| sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE); |
| if (!sent) |
| return; |
| |
| hdev->ssp_mode = *((__u8 *) sent); |
| } |
| |
| 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); |
| |
| 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); |
| } |
| |
| 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); |
| |
| if (rp->status) |
| return; |
| |
| memcpy(hdev->commands, rp->commands, sizeof(hdev->commands)); |
| } |
| |
| 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); |
| |
| if (rp->status) |
| return; |
| |
| memcpy(hdev->features, rp->features, 8); |
| |
| /* Adjust default settings according to features |
| * supported by device. */ |
| |
| if (hdev->features[0] & LMP_3SLOT) |
| hdev->pkt_type |= (HCI_DM3 | HCI_DH3); |
| |
| if (hdev->features[0] & LMP_5SLOT) |
| hdev->pkt_type |= (HCI_DM5 | HCI_DH5); |
| |
| if (hdev->features[1] & LMP_HV2) { |
| hdev->pkt_type |= (HCI_HV2); |
| hdev->esco_type |= (ESCO_HV2); |
| } |
| |
| if (hdev->features[1] & LMP_HV3) { |
| hdev->pkt_type |= (HCI_HV3); |
| hdev->esco_type |= (ESCO_HV3); |
| } |
| |
| if (hdev->features[3] & LMP_ESCO) |
| hdev->esco_type |= (ESCO_EV3); |
| |
| if (hdev->features[4] & LMP_EV4) |
| hdev->esco_type |= (ESCO_EV4); |
| |
| if (hdev->features[4] & LMP_EV5) |
| hdev->esco_type |= (ESCO_EV5); |
| |
| if (hdev->features[5] & LMP_EDR_ESCO_2M) |
| hdev->esco_type |= (ESCO_2EV3); |
| |
| if (hdev->features[5] & LMP_EDR_ESCO_3M) |
| hdev->esco_type |= (ESCO_3EV3); |
| |
| if (hdev->features[5] & LMP_EDR_3S_ESCO) |
| hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5); |
| |
| 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]); |
| } |
| |
| 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); |
| |
| if (rp->status) |
| return; |
| |
| hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu); |
| hdev->sco_mtu = rp->sco_mtu; |
| hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt); |
| hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt); |
| |
| if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) { |
| hdev->sco_mtu = 64; |
| hdev->sco_pkts = 8; |
| } |
| |
| 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); |
| } |
| |
| 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); |
| |
| if (!rp->status) |
| bacpy(&hdev->bdaddr, &rp->bdaddr); |
| |
| hci_req_complete(hdev, rp->status); |
| } |
| |
| static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) |
| { |
| BT_DBG("%s status 0x%x", hdev->name, status); |
| |
| if (status) { |
| hci_req_complete(hdev, status); |
| |
| hci_conn_check_pending(hdev); |
| } else |
| set_bit(HCI_INQUIRY, &hdev->flags); |
| } |
| |
| static inline 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); |
| |
| cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN); |
| if (!cp) |
| return; |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); |
| |
| BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->bdaddr), conn); |
| |
| if (status) { |
| if (conn && conn->state == BT_CONNECT) { |
| if (status != 0x0c || conn->attempt > 2) { |
| conn->state = BT_CLOSED; |
| hci_proto_connect_cfm(conn, status); |
| hci_conn_del(conn); |
| } else |
| conn->state = BT_CONNECT2; |
| } |
| } else { |
| if (!conn) { |
| conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr); |
| if (conn) { |
| conn->out = 1; |
| conn->link_mode |= HCI_LM_MASTER; |
| } else |
| BT_ERR("No memory for new connection"); |
| } |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status) |
| { |
| struct hci_cp_add_sco *cp; |
| struct hci_conn *acl, *sco; |
| __u16 handle; |
| |
| BT_DBG("%s status 0x%x", hdev->name, status); |
| |
| if (!status) |
| return; |
| |
| cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO); |
| if (!cp) |
| return; |
| |
| handle = __le16_to_cpu(cp->handle); |
| |
| BT_DBG("%s handle %d", hdev->name, handle); |
| |
| hci_dev_lock(hdev); |
| |
| acl = hci_conn_hash_lookup_handle(hdev, handle); |
| if (acl && (sco = acl->link)) { |
| sco->state = BT_CLOSED; |
| |
| hci_proto_connect_cfm(sco, status); |
| hci_conn_del(sco); |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| 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); |
| |
| if (!status) |
| return; |
| |
| cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED); |
| if (!cp) |
| return; |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); |
| if (conn) { |
| if (conn->state == BT_CONFIG) { |
| hci_proto_connect_cfm(conn, status); |
| hci_conn_put(conn); |
| } |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| 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); |
| |
| if (!status) |
| return; |
| |
| cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT); |
| if (!cp) |
| return; |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); |
| if (conn) { |
| if (conn->state == BT_CONFIG) { |
| hci_proto_connect_cfm(conn, status); |
| hci_conn_put(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->sec_level == BT_SECURITY_SDP) |
| return 0; |
| |
| /* Only request authentication for SSP connections or non-SSP |
| * devices with sec_level HIGH */ |
| if (!(hdev->ssp_mode > 0 && conn->ssp_mode > 0) && |
| conn->sec_level != BT_SECURITY_HIGH) |
| return 0; |
| |
| return 1; |
| } |
| |
| static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status) |
| { |
| struct hci_cp_remote_name_req *cp; |
| struct hci_conn *conn; |
| |
| BT_DBG("%s status 0x%x", 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 (conn && hci_outgoing_auth_needed(hdev, conn)) { |
| struct hci_cp_auth_requested cp; |
| cp.handle = __cpu_to_le16(conn->handle); |
| hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp); |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| 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); |
| |
| if (!status) |
| return; |
| |
| cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES); |
| if (!cp) |
| return; |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); |
| if (conn) { |
| if (conn->state == BT_CONFIG) { |
| hci_proto_connect_cfm(conn, status); |
| hci_conn_put(conn); |
| } |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| 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); |
| |
| if (!status) |
| return; |
| |
| cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES); |
| if (!cp) |
| return; |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); |
| if (conn) { |
| if (conn->state == BT_CONFIG) { |
| hci_proto_connect_cfm(conn, status); |
| hci_conn_put(conn); |
| } |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status) |
| { |
| struct hci_cp_setup_sync_conn *cp; |
| struct hci_conn *acl, *sco; |
| __u16 handle; |
| |
| BT_DBG("%s status 0x%x", hdev->name, status); |
| |
| if (!status) |
| return; |
| |
| cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN); |
| if (!cp) |
| return; |
| |
| handle = __le16_to_cpu(cp->handle); |
| |
| BT_DBG("%s handle %d", hdev->name, handle); |
| |
| hci_dev_lock(hdev); |
| |
| acl = hci_conn_hash_lookup_handle(hdev, handle); |
| if (acl && (sco = acl->link)) { |
| sco->state = BT_CLOSED; |
| |
| hci_proto_connect_cfm(sco, status); |
| hci_conn_del(sco); |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| 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); |
| |
| if (!status) |
| return; |
| |
| cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE); |
| if (!cp) |
| return; |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); |
| if (conn) { |
| clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend); |
| |
| if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->pend)) |
| hci_sco_setup(conn, status); |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| 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); |
| |
| if (!status) |
| return; |
| |
| cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE); |
| if (!cp) |
| return; |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); |
| if (conn) { |
| clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend); |
| |
| if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->pend)) |
| hci_sco_setup(conn, status); |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
| { |
| __u8 status = *((__u8 *) skb->data); |
| |
| BT_DBG("%s status %d", hdev->name, status); |
| |
| clear_bit(HCI_INQUIRY, &hdev->flags); |
| |
| hci_req_complete(hdev, status); |
| |
| hci_conn_check_pending(hdev); |
| } |
| |
| static inline 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); |
| int num_rsp = *((__u8 *) skb->data); |
| |
| BT_DBG("%s num_rsp %d", hdev->name, num_rsp); |
| |
| if (!num_rsp) |
| return; |
| |
| hci_dev_lock(hdev); |
| |
| for (; num_rsp; num_rsp--) { |
| bacpy(&data.bdaddr, &info->bdaddr); |
| data.pscan_rep_mode = info->pscan_rep_mode; |
| data.pscan_period_mode = info->pscan_period_mode; |
| data.pscan_mode = info->pscan_mode; |
| memcpy(data.dev_class, info->dev_class, 3); |
| data.clock_offset = info->clock_offset; |
| data.rssi = 0x00; |
| data.ssp_mode = 0x00; |
| info++; |
| hci_inquiry_cache_update(hdev, &data); |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| static inline 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; |
| |
| BT_DBG("%s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); |
| if (!conn) { |
| if (ev->link_type != SCO_LINK) |
| goto unlock; |
| |
| conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr); |
| if (!conn) |
| goto unlock; |
| |
| conn->type = SCO_LINK; |
| } |
| |
| if (!ev->status) { |
| conn->handle = __le16_to_cpu(ev->handle); |
| |
| if (conn->type == ACL_LINK) { |
| conn->state = BT_CONFIG; |
| hci_conn_hold(conn); |
| 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)) |
| conn->link_mode |= HCI_LM_AUTH; |
| |
| if (test_bit(HCI_ENCRYPT, &hdev->flags)) |
| conn->link_mode |= HCI_LM_ENCRYPT; |
| |
| /* Get remote features */ |
| if (conn->type == ACL_LINK) { |
| struct hci_cp_read_remote_features cp; |
| cp.handle = ev->handle; |
| hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES, |
| sizeof(cp), &cp); |
| } |
| |
| /* Set packet type for incoming connection */ |
| if (!conn->out && hdev->hci_ver < 3) { |
| 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); |
| } |
| } else |
| conn->state = BT_CLOSED; |
| |
| if (conn->type == ACL_LINK) |
| hci_sco_setup(conn, ev->status); |
| |
| if (ev->status) { |
| hci_proto_connect_cfm(conn, ev->status); |
| hci_conn_del(conn); |
| } else if (ev->link_type != ACL_LINK) |
| hci_proto_connect_cfm(conn, ev->status); |
| |
| unlock: |
| hci_dev_unlock(hdev); |
| |
| hci_conn_check_pending(hdev); |
| } |
| |
| static inline 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; |
| |
| BT_DBG("%s bdaddr %s type 0x%x", hdev->name, |
| batostr(&ev->bdaddr), ev->link_type); |
| |
| mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type); |
| |
| if ((mask & HCI_LM_ACCEPT) && !hci_blacklist_lookup(hdev, &ev->bdaddr)) { |
| /* Connection accepted */ |
| struct inquiry_entry *ie; |
| struct hci_conn *conn; |
| |
| hci_dev_lock(hdev); |
| |
| 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); |
| if (!conn) { |
| conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr); |
| if (!conn) { |
| BT_ERR("No memory for new connection"); |
| hci_dev_unlock(hdev); |
| return; |
| } |
| } |
| |
| 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)) { |
| struct hci_cp_accept_conn_req cp; |
| |
| bacpy(&cp.bdaddr, &ev->bdaddr); |
| |
| if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER)) |
| cp.role = 0x00; /* Become master */ |
| else |
| cp.role = 0x01; /* Remain slave */ |
| |
| hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, |
| sizeof(cp), &cp); |
| } else { |
| struct hci_cp_accept_sync_conn_req cp; |
| |
| bacpy(&cp.bdaddr, &ev->bdaddr); |
| cp.pkt_type = cpu_to_le16(conn->pkt_type); |
| |
| cp.tx_bandwidth = cpu_to_le32(0x00001f40); |
| cp.rx_bandwidth = cpu_to_le32(0x00001f40); |
| cp.max_latency = cpu_to_le16(0xffff); |
| cp.content_format = cpu_to_le16(hdev->voice_setting); |
| cp.retrans_effort = 0xff; |
| |
| hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, |
| sizeof(cp), &cp); |
| } |
| } else { |
| /* Connection rejected */ |
| struct hci_cp_reject_conn_req cp; |
| |
| bacpy(&cp.bdaddr, &ev->bdaddr); |
| cp.reason = 0x0f; |
| 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) |
| { |
| struct hci_ev_disconn_complete *ev = (void *) skb->data; |
| struct hci_conn *conn; |
| |
| BT_DBG("%s status %d", hdev->name, ev->status); |
| |
| if (ev->status) |
| return; |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
| if (conn) { |
| conn->state = BT_CLOSED; |
| |
| hci_proto_disconn_cfm(conn, ev->reason); |
| hci_conn_del(conn); |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| static inline 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); |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
| if (conn) { |
| if (!ev->status) |
| conn->link_mode |= HCI_LM_AUTH; |
| else |
| conn->sec_level = BT_SECURITY_LOW; |
| |
| clear_bit(HCI_CONN_AUTH_PEND, &conn->pend); |
| |
| 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); |
| } |
| } else { |
| hci_auth_cfm(conn, ev->status); |
| |
| hci_conn_hold(conn); |
| conn->disc_timeout = HCI_DISCONN_TIMEOUT; |
| hci_conn_put(conn); |
| } |
| |
| 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_dev_unlock(hdev); |
| } |
| |
| static inline 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 (conn && hci_outgoing_auth_needed(hdev, conn)) { |
| struct hci_cp_auth_requested cp; |
| cp.handle = __cpu_to_le16(conn->handle); |
| hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp); |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| static inline 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); |
| |
| 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; |
| } |
| |
| clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend); |
| |
| if (conn->state == BT_CONFIG) { |
| if (!ev->status) |
| conn->state = BT_CONNECTED; |
| |
| hci_proto_connect_cfm(conn, ev->status); |
| hci_conn_put(conn); |
| } else |
| hci_encrypt_cfm(conn, ev->status, ev->encrypt); |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| static inline 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); |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
| if (conn) { |
| if (!ev->status) |
| conn->link_mode |= HCI_LM_SECURE; |
| |
| clear_bit(HCI_CONN_AUTH_PEND, &conn->pend); |
| |
| hci_key_change_cfm(conn, ev->status); |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| static inline 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); |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
| if (!conn) |
| goto unlock; |
| |
| if (!ev->status) |
| memcpy(conn->features, 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 (!ev->status) { |
| 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); |
| } |
| |
| if (!hci_outgoing_auth_needed(hdev, conn)) { |
| conn->state = BT_CONNECTED; |
| hci_proto_connect_cfm(conn, ev->status); |
| hci_conn_put(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) |
| { |
| struct hci_ev_cmd_complete *ev = (void *) skb->data; |
| __u16 opcode; |
| |
| skb_pull(skb, sizeof(*ev)); |
| |
| opcode = __le16_to_cpu(ev->opcode); |
| |
| switch (opcode) { |
| case HCI_OP_INQUIRY_CANCEL: |
| hci_cc_inquiry_cancel(hdev, skb); |
| break; |
| |
| case HCI_OP_EXIT_PERIODIC_INQ: |
| hci_cc_exit_periodic_inq(hdev, skb); |
| break; |
| |
| case HCI_OP_REMOTE_NAME_REQ_CANCEL: |
| hci_cc_remote_name_req_cancel(hdev, skb); |
| break; |
| |
| case HCI_OP_ROLE_DISCOVERY: |
| hci_cc_role_discovery(hdev, skb); |
| break; |
| |
| case HCI_OP_READ_LINK_POLICY: |
| hci_cc_read_link_policy(hdev, skb); |
| break; |
| |
| case HCI_OP_WRITE_LINK_POLICY: |
| hci_cc_write_link_policy(hdev, skb); |
| break; |
| |
| case HCI_OP_READ_DEF_LINK_POLICY: |
| hci_cc_read_def_link_policy(hdev, skb); |
| break; |
| |
| case HCI_OP_WRITE_DEF_LINK_POLICY: |
| hci_cc_write_def_link_policy(hdev, skb); |
| break; |
| |
| case HCI_OP_RESET: |
| hci_cc_reset(hdev, skb); |
| break; |
| |
| case HCI_OP_WRITE_LOCAL_NAME: |
| hci_cc_write_local_name(hdev, skb); |
| break; |
| |
| case HCI_OP_READ_LOCAL_NAME: |
| hci_cc_read_local_name(hdev, skb); |
| break; |
| |
| case HCI_OP_WRITE_AUTH_ENABLE: |
| hci_cc_write_auth_enable(hdev, skb); |
| break; |
| |
| case HCI_OP_WRITE_ENCRYPT_MODE: |
| hci_cc_write_encrypt_mode(hdev, skb); |
| break; |
| |
| case HCI_OP_WRITE_SCAN_ENABLE: |
| hci_cc_write_scan_enable(hdev, skb); |
| break; |
| |
| case HCI_OP_READ_CLASS_OF_DEV: |
| hci_cc_read_class_of_dev(hdev, skb); |
| break; |
| |
| case HCI_OP_WRITE_CLASS_OF_DEV: |
| hci_cc_write_class_of_dev(hdev, skb); |
| break; |
| |
| case HCI_OP_READ_VOICE_SETTING: |
| hci_cc_read_voice_setting(hdev, skb); |
| break; |
| |
| case HCI_OP_WRITE_VOICE_SETTING: |
| 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); |
| break; |
| |
| case HCI_OP_WRITE_SSP_MODE: |
| hci_cc_write_ssp_mode(hdev, skb); |
| break; |
| |
| case HCI_OP_READ_LOCAL_VERSION: |
| hci_cc_read_local_version(hdev, skb); |
| break; |
| |
| case HCI_OP_READ_LOCAL_COMMANDS: |
| hci_cc_read_local_commands(hdev, skb); |
| break; |
| |
| case HCI_OP_READ_LOCAL_FEATURES: |
| hci_cc_read_local_features(hdev, skb); |
| break; |
| |
| case HCI_OP_READ_BUFFER_SIZE: |
| hci_cc_read_buffer_size(hdev, skb); |
| break; |
| |
| case HCI_OP_READ_BD_ADDR: |
| hci_cc_read_bd_addr(hdev, skb); |
| break; |
| |
| default: |
| BT_DBG("%s opcode 0x%x", hdev->name, opcode); |
| break; |
| } |
| |
| if (ev->ncmd) { |
| atomic_set(&hdev->cmd_cnt, 1); |
| if (!skb_queue_empty(&hdev->cmd_q)) |
| tasklet_schedule(&hdev->cmd_task); |
| } |
| } |
| |
| static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb) |
| { |
| struct hci_ev_cmd_status *ev = (void *) skb->data; |
| __u16 opcode; |
| |
| skb_pull(skb, sizeof(*ev)); |
| |
| opcode = __le16_to_cpu(ev->opcode); |
| |
| switch (opcode) { |
| case HCI_OP_INQUIRY: |
| hci_cs_inquiry(hdev, ev->status); |
| break; |
| |
| case HCI_OP_CREATE_CONN: |
| hci_cs_create_conn(hdev, ev->status); |
| break; |
| |
| case HCI_OP_ADD_SCO: |
| hci_cs_add_sco(hdev, ev->status); |
| break; |
| |
| case HCI_OP_AUTH_REQUESTED: |
| hci_cs_auth_requested(hdev, ev->status); |
| break; |
| |
| case HCI_OP_SET_CONN_ENCRYPT: |
| hci_cs_set_conn_encrypt(hdev, ev->status); |
| break; |
| |
| case HCI_OP_REMOTE_NAME_REQ: |
| hci_cs_remote_name_req(hdev, ev->status); |
| break; |
| |
| case HCI_OP_READ_REMOTE_FEATURES: |
| hci_cs_read_remote_features(hdev, ev->status); |
| break; |
| |
| case HCI_OP_READ_REMOTE_EXT_FEATURES: |
| hci_cs_read_remote_ext_features(hdev, ev->status); |
| break; |
| |
| case HCI_OP_SETUP_SYNC_CONN: |
| hci_cs_setup_sync_conn(hdev, ev->status); |
| break; |
| |
| case HCI_OP_SNIFF_MODE: |
| hci_cs_sniff_mode(hdev, ev->status); |
| break; |
| |
| case HCI_OP_EXIT_SNIFF_MODE: |
| hci_cs_exit_sniff_mode(hdev, ev->status); |
| break; |
| |
| default: |
| BT_DBG("%s opcode 0x%x", hdev->name, opcode); |
| break; |
| } |
| |
| if (ev->ncmd) { |
| atomic_set(&hdev->cmd_cnt, 1); |
| if (!skb_queue_empty(&hdev->cmd_q)) |
| tasklet_schedule(&hdev->cmd_task); |
| } |
| } |
| |
| static inline 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); |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
| if (conn) { |
| if (!ev->status) { |
| if (ev->role) |
| conn->link_mode &= ~HCI_LM_MASTER; |
| else |
| conn->link_mode |= HCI_LM_MASTER; |
| } |
| |
| clear_bit(HCI_CONN_RSWITCH_PEND, &conn->pend); |
| |
| hci_role_switch_cfm(conn, ev->status, ev->role); |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| static inline 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 (skb->len < ev->num_hndl * 4) { |
| BT_DBG("%s bad parameters", hdev->name); |
| return; |
| } |
| |
| tasklet_disable(&hdev->tx_task); |
| |
| for (i = 0, ptr = (__le16 *) skb->data; i < ev->num_hndl; i++) { |
| struct hci_conn *conn; |
| __u16 handle, count; |
| |
| handle = get_unaligned_le16(ptr++); |
| count = get_unaligned_le16(ptr++); |
| |
| conn = hci_conn_hash_lookup_handle(hdev, handle); |
| if (conn) { |
| conn->sent -= count; |
| |
| if (conn->type == ACL_LINK) { |
| hdev->acl_cnt += count; |
| if (hdev->acl_cnt > hdev->acl_pkts) |
| hdev->acl_cnt = hdev->acl_pkts; |
| } else { |
| hdev->sco_cnt += count; |
| if (hdev->sco_cnt > hdev->sco_pkts) |
| hdev->sco_cnt = hdev->sco_pkts; |
| } |
| } |
| } |
| |
| tasklet_schedule(&hdev->tx_task); |
| |
| tasklet_enable(&hdev->tx_task); |
| } |
| |
| static inline 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); |
| |
| 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 (conn->mode == HCI_CM_ACTIVE) |
| conn->power_save = 1; |
| else |
| conn->power_save = 0; |
| } |
| |
| if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->pend)) |
| 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) |
| { |
| struct hci_ev_pin_code_req *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 && conn->state == BT_CONNECTED) { |
| hci_conn_hold(conn); |
| conn->disc_timeout = HCI_PAIRING_TIMEOUT; |
| hci_conn_put(conn); |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
| { |
| BT_DBG("%s", hdev->name); |
| } |
| |
| static inline 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; |
| |
| BT_DBG("%s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
| if (conn) { |
| hci_conn_hold(conn); |
| conn->disc_timeout = HCI_DISCONN_TIMEOUT; |
| hci_conn_put(conn); |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| static inline 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); |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
| if (conn && !ev->status) { |
| struct inquiry_entry *ie; |
| |
| ie = hci_inquiry_cache_lookup(hdev, &conn->dst); |
| if (ie) { |
| ie->data.clock_offset = ev->clock_offset; |
| ie->timestamp = jiffies; |
| } |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| static inline 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); |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
| if (conn && !ev->status) |
| conn->pkt_type = __le16_to_cpu(ev->pkt_type); |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| static inline 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; |
| |
| BT_DBG("%s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); |
| if (ie) { |
| ie->data.pscan_rep_mode = ev->pscan_rep_mode; |
| ie->timestamp = jiffies; |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| static inline 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); |
| |
| BT_DBG("%s num_rsp %d", hdev->name, num_rsp); |
| |
| if (!num_rsp) |
| 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); |
| |
| for (; num_rsp; num_rsp--) { |
| bacpy(&data.bdaddr, &info->bdaddr); |
| data.pscan_rep_mode = info->pscan_rep_mode; |
| data.pscan_period_mode = info->pscan_period_mode; |
| data.pscan_mode = info->pscan_mode; |
| memcpy(data.dev_class, info->dev_class, 3); |
| data.clock_offset = info->clock_offset; |
| data.rssi = info->rssi; |
| data.ssp_mode = 0x00; |
| info++; |
| hci_inquiry_cache_update(hdev, &data); |
| } |
| } else { |
| struct inquiry_info_with_rssi *info = (void *) (skb->data + 1); |
| |
| for (; num_rsp; num_rsp--) { |
| 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; |
| memcpy(data.dev_class, info->dev_class, 3); |
| data.clock_offset = info->clock_offset; |
| data.rssi = info->rssi; |
| data.ssp_mode = 0x00; |
| info++; |
| hci_inquiry_cache_update(hdev, &data); |
| } |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| static inline 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; |
| |
| BT_DBG("%s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
| if (!conn) |
| goto unlock; |
| |
| if (!ev->status && ev->page == 0x01) { |
| struct inquiry_entry *ie; |
| |
| ie = hci_inquiry_cache_lookup(hdev, &conn->dst); |
| if (ie) |
| ie->data.ssp_mode = (ev->features[0] & 0x01); |
| |
| conn->ssp_mode = (ev->features[0] & 0x01); |
| } |
| |
| if (conn->state != BT_CONFIG) |
| goto unlock; |
| |
| if (!ev->status) { |
| 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); |
| } |
| |
| if (!hci_outgoing_auth_needed(hdev, conn)) { |
| conn->state = BT_CONNECTED; |
| hci_proto_connect_cfm(conn, ev->status); |
| hci_conn_put(conn); |
| } |
| |
| unlock: |
| hci_dev_unlock(hdev); |
| } |
| |
| static inline 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); |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); |
| if (!conn) { |
| if (ev->link_type == ESCO_LINK) |
| goto unlock; |
| |
| conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr); |
| if (!conn) |
| goto unlock; |
| |
| conn->type = SCO_LINK; |
| } |
| |
| switch (ev->status) { |
| case 0x00: |
| conn->handle = __le16_to_cpu(ev->handle); |
| conn->state = BT_CONNECTED; |
| |
| hci_conn_hold_device(conn); |
| hci_conn_add_sysfs(conn); |
| break; |
| |
| 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) { |
| conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) | |
| (hdev->esco_type & EDR_ESCO_MASK); |
| hci_setup_sync(conn, conn->link->handle); |
| goto unlock; |
| } |
| /* fall through */ |
| |
| default: |
| conn->state = BT_CLOSED; |
| break; |
| } |
| |
| hci_proto_connect_cfm(conn, ev->status); |
| if (ev->status) |
| hci_conn_del(conn); |
| |
| unlock: |
| hci_dev_unlock(hdev); |
| } |
| |
| static inline void hci_sync_conn_changed_evt(struct hci_dev *hdev, struct sk_buff *skb) |
| { |
| BT_DBG("%s", hdev->name); |
| } |
| |
| 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; |
| |
| BT_DBG("%s status %d", hdev->name, ev->status); |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
| if (conn) { |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| static inline 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); |
| |
| BT_DBG("%s num_rsp %d", hdev->name, num_rsp); |
| |
| if (!num_rsp) |
| return; |
| |
| hci_dev_lock(hdev); |
| |
| for (; num_rsp; num_rsp--) { |
| 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; |
| memcpy(data.dev_class, info->dev_class, 3); |
| data.clock_offset = info->clock_offset; |
| data.rssi = info->rssi; |
| data.ssp_mode = 0x01; |
| info++; |
| hci_inquiry_cache_update(hdev, &data); |
| } |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| static inline 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; |
| |
| BT_DBG("%s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
| if (conn) |
| hci_conn_hold(conn); |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| static inline 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; |
| |
| BT_DBG("%s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
| if (conn) |
| hci_conn_put(conn); |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| static inline 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; |
| |
| BT_DBG("%s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); |
| if (ie) |
| ie->data.ssp_mode = (ev->features[0] & 0x01); |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) |
| { |
| struct hci_event_hdr *hdr = (void *) skb->data; |
| __u8 event = hdr->evt; |
| |
| skb_pull(skb, HCI_EVENT_HDR_SIZE); |
| |
| switch (event) { |
| case HCI_EV_INQUIRY_COMPLETE: |
| hci_inquiry_complete_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_INQUIRY_RESULT: |
| hci_inquiry_result_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_CONN_COMPLETE: |
| hci_conn_complete_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_CONN_REQUEST: |
| hci_conn_request_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_DISCONN_COMPLETE: |
| hci_disconn_complete_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_AUTH_COMPLETE: |
| hci_auth_complete_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_REMOTE_NAME: |
| hci_remote_name_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_ENCRYPT_CHANGE: |
| hci_encrypt_change_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_CHANGE_LINK_KEY_COMPLETE: |
| hci_change_link_key_complete_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_REMOTE_FEATURES: |
| 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; |
| |
| case HCI_EV_CMD_STATUS: |
| hci_cmd_status_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_ROLE_CHANGE: |
| hci_role_change_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_NUM_COMP_PKTS: |
| hci_num_comp_pkts_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_MODE_CHANGE: |
| hci_mode_change_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_PIN_CODE_REQ: |
| hci_pin_code_request_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_LINK_KEY_REQ: |
| hci_link_key_request_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_LINK_KEY_NOTIFY: |
| hci_link_key_notify_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_CLOCK_OFFSET: |
| hci_clock_offset_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_PKT_TYPE_CHANGE: |
| hci_pkt_type_change_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_PSCAN_REP_MODE: |
| hci_pscan_rep_mode_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_INQUIRY_RESULT_WITH_RSSI: |
| hci_inquiry_result_with_rssi_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_REMOTE_EXT_FEATURES: |
| hci_remote_ext_features_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_SYNC_CONN_COMPLETE: |
| 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_IO_CAPA_REQUEST: |
| hci_io_capa_request_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_SIMPLE_PAIR_COMPLETE: |
| hci_simple_pair_complete_evt(hdev, skb); |
| break; |
| |
| case HCI_EV_REMOTE_HOST_FEATURES: |
| hci_remote_host_features_evt(hdev, skb); |
| break; |
| |
| default: |
| BT_DBG("%s event 0x%x", hdev->name, event); |
| break; |
| } |
| |
| kfree_skb(skb); |
| hdev->stat.evt_rx++; |
| } |
| |
| /* 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; |
| |
| skb = bt_skb_alloc(HCI_EVENT_HDR_SIZE + sizeof(*ev) + dlen, GFP_ATOMIC); |
| if (!skb) |
| return; |
| |
| hdr = (void *) skb_put(skb, HCI_EVENT_HDR_SIZE); |
| hdr->evt = HCI_EV_STACK_INTERNAL; |
| hdr->plen = sizeof(*ev) + dlen; |
| |
| ev = (void *) skb_put(skb, sizeof(*ev) + dlen); |
| ev->type = type; |
| memcpy(ev->data, data, dlen); |
| |
| bt_cb(skb)->incoming = 1; |
| __net_timestamp(skb); |
| |
| bt_cb(skb)->pkt_type = HCI_EVENT_PKT; |
| skb->dev = (void *) hdev; |
| hci_send_to_sock(hdev, skb); |
| kfree_skb(skb); |
| } |
