diff options
Diffstat (limited to 'net/bluetooth')
| -rw-r--r-- | net/bluetooth/af_bluetooth.c | 20 | ||||
| -rw-r--r-- | net/bluetooth/hci_conn.c | 100 | ||||
| -rw-r--r-- | net/bluetooth/hci_core.c | 38 | ||||
| -rw-r--r-- | net/bluetooth/hci_event.c | 206 | ||||
| -rw-r--r-- | net/bluetooth/hci_sysfs.c | 211 | ||||
| -rw-r--r-- | net/bluetooth/l2cap.c | 361 | ||||
| -rw-r--r-- | net/bluetooth/rfcomm/core.c | 27 | ||||
| -rw-r--r-- | net/bluetooth/rfcomm/sock.c | 4 | ||||
| -rw-r--r-- | net/bluetooth/sco.c | 4 |
9 files changed, 665 insertions, 306 deletions
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index 51f867062e1d..788ea7a2b744 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -48,7 +48,7 @@ #define BT_DBG(D...) #endif -#define VERSION "2.8" +#define VERSION "2.10" /* Bluetooth sockets */ #define BT_MAX_PROTO 8 @@ -307,13 +307,21 @@ static struct net_proto_family bt_sock_family_ops = { static int __init bt_init(void) { + int err; + BT_INFO("Core ver %s", VERSION); - sock_register(&bt_sock_family_ops); + err = bt_sysfs_init(); + if (err < 0) + return err; - BT_INFO("HCI device and connection manager initialized"); + err = sock_register(&bt_sock_family_ops); + if (err < 0) { + bt_sysfs_cleanup(); + return err; + } - bt_sysfs_init(); + BT_INFO("HCI device and connection manager initialized"); hci_sock_init(); @@ -324,9 +332,9 @@ static void __exit bt_exit(void) { hci_sock_cleanup(); - bt_sysfs_cleanup(); - sock_unregister(PF_BLUETOOTH); + + bt_sysfs_cleanup(); } subsys_initcall(bt_init); diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index 5c0c2b1ef34a..420ed4d7e57e 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -115,8 +115,8 @@ void hci_add_sco(struct hci_conn *conn, __u16 handle) static void hci_conn_timeout(unsigned long arg) { - struct hci_conn *conn = (void *)arg; - struct hci_dev *hdev = conn->hdev; + struct hci_conn *conn = (void *) arg; + struct hci_dev *hdev = conn->hdev; BT_DBG("conn %p state %d", conn, conn->state); @@ -132,11 +132,13 @@ static void hci_conn_timeout(unsigned long arg) return; } -static void hci_conn_init_timer(struct hci_conn *conn) +static void hci_conn_idle(unsigned long arg) { - init_timer(&conn->timer); - conn->timer.function = hci_conn_timeout; - conn->timer.data = (unsigned long)conn; + struct hci_conn *conn = (void *) arg; + + BT_DBG("conn %p mode %d", conn, conn->mode); + + hci_conn_enter_sniff_mode(conn); } struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst) @@ -145,17 +147,27 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst) BT_DBG("%s dst %s", hdev->name, batostr(dst)); - if (!(conn = kmalloc(sizeof(struct hci_conn), GFP_ATOMIC))) + conn = kzalloc(sizeof(struct hci_conn), GFP_ATOMIC); + if (!conn) return NULL; - memset(conn, 0, sizeof(struct hci_conn)); bacpy(&conn->dst, dst); - conn->type = type; conn->hdev = hdev; + conn->type = type; + conn->mode = HCI_CM_ACTIVE; conn->state = BT_OPEN; + conn->power_save = 1; + skb_queue_head_init(&conn->data_q); - hci_conn_init_timer(conn); + + init_timer(&conn->disc_timer); + conn->disc_timer.function = hci_conn_timeout; + conn->disc_timer.data = (unsigned long) conn; + + init_timer(&conn->idle_timer); + conn->idle_timer.function = hci_conn_idle; + conn->idle_timer.data = (unsigned long) conn; atomic_set(&conn->refcnt, 0); @@ -178,7 +190,9 @@ int hci_conn_del(struct hci_conn *conn) BT_DBG("%s conn %p handle %d", hdev->name, conn, conn->handle); - hci_conn_del_timer(conn); + del_timer(&conn->idle_timer); + + del_timer(&conn->disc_timer); if (conn->type == SCO_LINK) { struct hci_conn *acl = conn->link; @@ -364,6 +378,70 @@ int hci_conn_switch_role(struct hci_conn *conn, uint8_t role) } EXPORT_SYMBOL(hci_conn_switch_role); +/* Enter active mode */ +void hci_conn_enter_active_mode(struct hci_conn *conn) +{ + struct hci_dev *hdev = conn->hdev; + + BT_DBG("conn %p mode %d", conn, conn->mode); + + if (test_bit(HCI_RAW, &hdev->flags)) + return; + + if (conn->mode != HCI_CM_SNIFF || !conn->power_save) + goto timer; + + if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) { + struct hci_cp_exit_sniff_mode cp; + cp.handle = __cpu_to_le16(conn->handle); + hci_send_cmd(hdev, OGF_LINK_POLICY, + OCF_EXIT_SNIFF_MODE, sizeof(cp), &cp); + } + +timer: + if (hdev->idle_timeout > 0) + mod_timer(&conn->idle_timer, + jiffies + msecs_to_jiffies(hdev->idle_timeout)); +} + +/* Enter sniff mode */ +void hci_conn_enter_sniff_mode(struct hci_conn *conn) +{ + struct hci_dev *hdev = conn->hdev; + + BT_DBG("conn %p mode %d", conn, conn->mode); + + if (test_bit(HCI_RAW, &hdev->flags)) + return; + + if (!lmp_sniff_capable(hdev) || !lmp_sniff_capable(conn)) + return; + + if (conn->mode != HCI_CM_ACTIVE || !(conn->link_policy & HCI_LP_SNIFF)) + return; + + if (lmp_sniffsubr_capable(hdev) && lmp_sniffsubr_capable(conn)) { + struct hci_cp_sniff_subrate cp; + cp.handle = __cpu_to_le16(conn->handle); + cp.max_latency = __constant_cpu_to_le16(0); + cp.min_remote_timeout = __constant_cpu_to_le16(0); + cp.min_local_timeout = __constant_cpu_to_le16(0); + hci_send_cmd(hdev, OGF_LINK_POLICY, + OCF_SNIFF_SUBRATE, sizeof(cp), &cp); + } + + if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) { + struct hci_cp_sniff_mode cp; + cp.handle = __cpu_to_le16(conn->handle); + cp.max_interval = __cpu_to_le16(hdev->sniff_max_interval); + cp.min_interval = __cpu_to_le16(hdev->sniff_min_interval); + cp.attempt = __constant_cpu_to_le16(4); + cp.timeout = __constant_cpu_to_le16(1); + hci_send_cmd(hdev, OGF_LINK_POLICY, + OCF_SNIFF_MODE, sizeof(cp), &cp); + } +} + /* Drop all connection on the device */ void hci_conn_hash_flush(struct hci_dev *hdev) { diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index f67240beb0dd..54e8e5ea2154 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -411,7 +411,7 @@ int hci_inquiry(void __user *arg) } hci_dev_unlock_bh(hdev); - timeo = ir.length * 2 * HZ; + timeo = ir.length * msecs_to_jiffies(2000); if (do_inquiry && (err = hci_request(hdev, hci_inq_req, (unsigned long)&ir, timeo)) < 0) goto done; @@ -479,7 +479,8 @@ int hci_dev_open(__u16 dev) set_bit(HCI_INIT, &hdev->flags); //__hci_request(hdev, hci_reset_req, 0, HZ); - ret = __hci_request(hdev, hci_init_req, 0, HCI_INIT_TIMEOUT); + ret = __hci_request(hdev, hci_init_req, 0, + msecs_to_jiffies(HCI_INIT_TIMEOUT)); clear_bit(HCI_INIT, &hdev->flags); } @@ -546,7 +547,8 @@ static int hci_dev_do_close(struct hci_dev *hdev) atomic_set(&hdev->cmd_cnt, 1); if (!test_bit(HCI_RAW, &hdev->flags)) { set_bit(HCI_INIT, &hdev->flags); - __hci_request(hdev, hci_reset_req, 0, HZ/4); + __hci_request(hdev, hci_reset_req, 0, + msecs_to_jiffies(250)); clear_bit(HCI_INIT, &hdev->flags); } @@ -619,7 +621,8 @@ int hci_dev_reset(__u16 dev) hdev->acl_cnt = 0; hdev->sco_cnt = 0; if (!test_bit(HCI_RAW, &hdev->flags)) - ret = __hci_request(hdev, hci_reset_req, 0, HCI_INIT_TIMEOUT); + ret = __hci_request(hdev, hci_reset_req, 0, + msecs_to_jiffies(HCI_INIT_TIMEOUT)); done: tasklet_enable(&hdev->tx_task); @@ -657,7 +660,8 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg) switch (cmd) { case HCISETAUTH: - err = hci_request(hdev, hci_auth_req, dr.dev_opt, HCI_INIT_TIMEOUT); + err = hci_request(hdev, hci_auth_req, dr.dev_opt, + msecs_to_jiffies(HCI_INIT_TIMEOUT)); break; case HCISETENCRYPT: @@ -668,18 +672,19 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg) if (!test_bit(HCI_AUTH, &hdev->flags)) { /* Auth must be enabled first */ - err = hci_request(hdev, hci_auth_req, - dr.dev_opt, HCI_INIT_TIMEOUT); + err = hci_request(hdev, hci_auth_req, dr.dev_opt, + msecs_to_jiffies(HCI_INIT_TIMEOUT)); if (err) break; } - err = hci_request(hdev, hci_encrypt_req, - dr.dev_opt, HCI_INIT_TIMEOUT); + err = hci_request(hdev, hci_encrypt_req, dr.dev_opt, + msecs_to_jiffies(HCI_INIT_TIMEOUT)); break; case HCISETSCAN: - err = hci_request(hdev, hci_scan_req, dr.dev_opt, HCI_INIT_TIMEOUT); + err = hci_request(hdev, hci_scan_req, dr.dev_opt, + msecs_to_jiffies(HCI_INIT_TIMEOUT)); break; case HCISETPTYPE: @@ -812,8 +817,8 @@ void hci_free_dev(struct hci_dev *hdev) { skb_queue_purge(&hdev->driver_init); - /* will free via class release */ - class_device_put(&hdev->class_dev); + /* will free via device release */ + put_device(&hdev->dev); } EXPORT_SYMBOL(hci_free_dev); @@ -848,6 +853,10 @@ int hci_register_dev(struct hci_dev *hdev) hdev->pkt_type = (HCI_DM1 | HCI_DH1 | HCI_HV1); hdev->link_mode = (HCI_LM_ACCEPT); + hdev->idle_timeout = 0; + hdev->sniff_max_interval = 800; + hdev->sniff_min_interval = 80; + tasklet_init(&hdev->cmd_task, hci_cmd_task,(unsigned long) hdev); tasklet_init(&hdev->rx_task, hci_rx_task, (unsigned long) hdev); tasklet_init(&hdev->tx_task, hci_tx_task, (unsigned long) hdev); @@ -1220,6 +1229,9 @@ static inline void hci_sched_acl(struct hci_dev *hdev) while (hdev->acl_cnt && (conn = hci_low_sent(hdev, ACL_LINK, "e))) { while (quote-- && (skb = skb_dequeue(&conn->data_q))) { BT_DBG("skb %p len %d", skb, skb->len); + + hci_conn_enter_active_mode(conn); + hci_send_frame(skb); hdev->acl_last_tx = jiffies; @@ -1298,6 +1310,8 @@ static inline void hci_acldata_packet(struct hci_dev *hdev, struct sk_buff *skb) if (conn) { register struct hci_proto *hp; + hci_conn_enter_active_mode(conn); + /* Send to upper protocol */ if ((hp = hci_proto[HCI_PROTO_L2CAP]) && hp->recv_acldata) { hp->recv_acldata(conn, skb, flags); diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 618bacee1b1c..3896dabab11d 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -83,6 +83,8 @@ static void hci_cc_link_policy(struct hci_dev *hdev, __u16 ocf, struct sk_buff * { struct hci_conn *conn; struct hci_rp_role_discovery *rd; + struct hci_rp_write_link_policy *lp; + void *sent; BT_DBG("%s ocf 0x%x", hdev->name, ocf); @@ -106,6 +108,27 @@ static void hci_cc_link_policy(struct hci_dev *hdev, __u16 ocf, struct sk_buff * hci_dev_unlock(hdev); break; + case OCF_WRITE_LINK_POLICY: + sent = hci_sent_cmd_data(hdev, OGF_LINK_POLICY, OCF_WRITE_LINK_POLICY); + if (!sent) + break; + + lp = (struct hci_rp_write_link_policy *) skb->data; + + if (lp->status) + break; + + hci_dev_lock(hdev); + + conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(lp->handle)); + if (conn) { + __le16 policy = get_unaligned((__le16 *) (sent + 2)); + conn->link_policy = __le16_to_cpu(policy); + } + + hci_dev_unlock(hdev); + break; + default: BT_DBG("%s: Command complete: ogf LINK_POLICY ocf %x", hdev->name, ocf); @@ -274,7 +297,7 @@ static void hci_cc_host_ctl(struct hci_dev *hdev, __u16 ocf, struct sk_buff *skb /* Command Complete OGF INFO_PARAM */ static void hci_cc_info_param(struct hci_dev *hdev, __u16 ocf, struct sk_buff *skb) { - struct hci_rp_read_loc_features *lf; + struct hci_rp_read_local_features *lf; struct hci_rp_read_buffer_size *bs; struct hci_rp_read_bd_addr *ba; @@ -282,7 +305,7 @@ static void hci_cc_info_param(struct hci_dev *hdev, __u16 ocf, struct sk_buff *s switch (ocf) { case OCF_READ_LOCAL_FEATURES: - lf = (struct hci_rp_read_loc_features *) skb->data; + lf = (struct hci_rp_read_local_features *) skb->data; if (lf->status) { BT_DBG("%s READ_LOCAL_FEATURES failed %d", hdev->name, lf->status); @@ -319,9 +342,17 @@ static void hci_cc_info_param(struct hci_dev *hdev, __u16 ocf, struct sk_buff *s } hdev->acl_mtu = __le16_to_cpu(bs->acl_mtu); - hdev->sco_mtu = bs->sco_mtu ? bs->sco_mtu : 64; - hdev->acl_pkts = hdev->acl_cnt = __le16_to_cpu(bs->acl_max_pkt); - hdev->sco_pkts = hdev->sco_cnt = __le16_to_cpu(bs->sco_max_pkt); + hdev->sco_mtu = bs->sco_mtu; + hdev->acl_pkts = __le16_to_cpu(bs->acl_max_pkt); + hdev->sco_pkts = __le16_to_cpu(bs->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 mtu: acl %d, sco %d max_pkt: acl %d, sco %d", hdev->name, hdev->acl_mtu, hdev->sco_mtu, hdev->acl_pkts, hdev->sco_pkts); @@ -439,8 +470,46 @@ static void hci_cs_link_policy(struct hci_dev *hdev, __u16 ocf, __u8 status) BT_DBG("%s ocf 0x%x", hdev->name, ocf); switch (ocf) { + case OCF_SNIFF_MODE: + if (status) { + struct hci_conn *conn; + struct hci_cp_sniff_mode *cp = hci_sent_cmd_data(hdev, OGF_LINK_POLICY, OCF_SNIFF_MODE); + + if (!cp) + break; + + 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); + } + + hci_dev_unlock(hdev); + } + break; + + case OCF_EXIT_SNIFF_MODE: + if (status) { + struct hci_conn *conn; + struct hci_cp_exit_sniff_mode *cp = hci_sent_cmd_data(hdev, OGF_LINK_POLICY, OCF_EXIT_SNIFF_MODE); + + if (!cp) + break; + + 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); + } + + hci_dev_unlock(hdev); + } + break; + default: - BT_DBG("%s Command status: ogf HOST_POLICY ocf %x", hdev->name, ocf); + BT_DBG("%s Command status: ogf LINK_POLICY ocf %x", hdev->name, ocf); break; } } @@ -622,14 +691,16 @@ 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, OGF_LINK_CTL, OCF_ACCEPT_CONN_REQ, sizeof(cp), &cp); + hci_send_cmd(hdev, OGF_LINK_CTL, + OCF_ACCEPT_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, OGF_LINK_CTL, OCF_REJECT_CONN_REQ, sizeof(cp), &cp); + hci_send_cmd(hdev, OGF_LINK_CTL, + OCF_REJECT_CONN_REQ, sizeof(cp), &cp); } } @@ -637,7 +708,7 @@ static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *sk static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_conn_complete *ev = (struct hci_ev_conn_complete *) skb->data; - struct hci_conn *conn = NULL; + struct hci_conn *conn; BT_DBG("%s", hdev->name); @@ -659,12 +730,21 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s 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, OGF_LINK_CTL, + OCF_READ_REMOTE_FEATURES, sizeof(cp), &cp); + } + /* Set link policy */ if (conn->type == ACL_LINK && hdev->link_policy) { struct hci_cp_write_link_policy cp; cp.handle = ev->handle; cp.policy = __cpu_to_le16(hdev->link_policy); - hci_send_cmd(hdev, OGF_LINK_POLICY, OCF_WRITE_LINK_POLICY, sizeof(cp), &cp); + hci_send_cmd(hdev, OGF_LINK_POLICY, + OCF_WRITE_LINK_POLICY, sizeof(cp), &cp); } /* Set packet type for incoming connection */ @@ -675,7 +755,8 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s __cpu_to_le16(hdev->pkt_type & ACL_PTYPE_MASK): __cpu_to_le16(hdev->pkt_type & SCO_PTYPE_MASK); - hci_send_cmd(hdev, OGF_LINK_CTL, OCF_CHANGE_CONN_PTYPE, sizeof(cp), &cp); + hci_send_cmd(hdev, OGF_LINK_CTL, + OCF_CHANGE_CONN_PTYPE, sizeof(cp), &cp); } } else conn->state = BT_CLOSED; @@ -703,8 +784,7 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_disconn_complete *ev = (struct hci_ev_disconn_complete *) skb->data; - struct hci_conn *conn = NULL; - __u16 handle = __le16_to_cpu(ev->handle); + struct hci_conn *conn; BT_DBG("%s status %d", hdev->name, ev->status); @@ -713,7 +793,7 @@ static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff hci_dev_lock(hdev); - conn = hci_conn_hash_lookup_handle(hdev, handle); + conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); if (conn) { conn->state = BT_CLOSED; hci_proto_disconn_ind(conn, ev->reason); @@ -770,7 +850,7 @@ static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *s static inline void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_role_change *ev = (struct hci_ev_role_change *) skb->data; - struct hci_conn *conn = NULL; + struct hci_conn *conn; BT_DBG("%s status %d", hdev->name, ev->status); @@ -793,18 +873,43 @@ static inline void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb hci_dev_unlock(hdev); } +/* Mode Change */ +static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_ev_mode_change *ev = (struct hci_ev_mode_change *) 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; + } + } + + hci_dev_unlock(hdev); +} + /* Authentication Complete */ static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_auth_complete *ev = (struct hci_ev_auth_complete *) skb->data; - struct hci_conn *conn = NULL; - __u16 handle = __le16_to_cpu(ev->handle); + struct hci_conn *conn; BT_DBG("%s status %d", hdev->name, ev->status); hci_dev_lock(hdev); - conn = hci_conn_hash_lookup_handle(hdev, handle); + conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); if (conn) { if (!ev->status) conn->link_mode |= HCI_LM_AUTH; @@ -819,8 +924,7 @@ static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *s cp.handle = __cpu_to_le16(conn->handle); cp.encrypt = 1; hci_send_cmd(conn->hdev, OGF_LINK_CTL, - OCF_SET_CONN_ENCRYPT, - sizeof(cp), &cp); + OCF_SET_CONN_ENCRYPT, sizeof(cp), &cp); } else { clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend); hci_encrypt_cfm(conn, ev->status, 0x00); @@ -835,14 +939,13 @@ static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *s static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_encrypt_change *ev = (struct hci_ev_encrypt_change *) skb->data; - struct hci_conn *conn = NULL; - __u16 handle = __le16_to_cpu(ev->handle); + struct hci_conn *conn; BT_DBG("%s status %d", hdev->name, ev->status); hci_dev_lock(hdev); - conn = hci_conn_hash_lookup_handle(hdev, handle); + conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); if (conn) { if (!ev->status) { if (ev->encrypt) @@ -863,14 +966,13 @@ static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff * static inline void hci_change_conn_link_key_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_change_conn_link_key_complete *ev = (struct hci_ev_change_conn_link_key_complete *) skb->data; - struct hci_conn *conn = NULL; - __u16 handle = __le16_to_cpu(ev->handle); + struct hci_conn *conn; BT_DBG("%s status %d", hdev->name, ev->status); hci_dev_lock(hdev); - conn = hci_conn_hash_lookup_handle(hdev, handle); + conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); if (conn) { if (!ev->status) conn->link_mode |= HCI_LM_SECURE; @@ -898,18 +1000,35 @@ static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff { } +/* Remote Features */ +static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_ev_remote_features *ev = (struct hci_ev_remote_features *) 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) { + memcpy(conn->features, ev->features, sizeof(conn->features)); + } + + hci_dev_unlock(hdev); +} + /* Clock Offset */ static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_clock_offset *ev = (struct hci_ev_clock_offset *) skb->data; - struct hci_conn *conn = NULL; - __u16 handle = __le16_to_cpu(ev->handle); + struct hci_conn *conn; BT_DBG("%s status %d", hdev->name, ev->status); hci_dev_lock(hdev); - conn = hci_conn_hash_lookup_handle(hdev, handle); + conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); if (conn && !ev->status) { struct inquiry_entry *ie; @@ -940,6 +1059,23 @@ static inline void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff * hci_dev_unlock(hdev); } +/* Sniff Subrate */ +static inline void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_ev_sniff_subrate *ev = (struct hci_ev_sniff_subrate *) 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); +} + void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_event_hdr *hdr = (struct hci_event_hdr *) skb->data; @@ -988,6 +1124,10 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) hci_role_change_evt(hdev, skb); break; + case HCI_EV_MODE_CHANGE: + hci_mode_change_evt(hdev, skb); + break; + case HCI_EV_AUTH_COMPLETE: hci_auth_complete_evt(hdev, skb); break; @@ -1012,6 +1152,10 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) hci_link_key_notify_evt(hdev, skb); break; + case HCI_EV_REMOTE_FEATURES: + hci_remote_features_evt(hdev, skb); + break; + case HCI_EV_CLOCK_OFFSET: hci_clock_offset_evt(hdev, skb); break; @@ -1020,6 +1164,10 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) hci_pscan_rep_mode_evt(hdev, skb); break; + case HCI_EV_SNIFF_SUBRATE: + hci_sniff_subrate_evt(hdev, skb); + break; + case HCI_EV_CMD_STATUS: cs = (struct hci_ev_cmd_status *) skb->data; skb_pull(skb, sizeof(cs)); diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c index 19b234c86f33..3987d167f04e 100644 --- a/net/bluetooth/hci_sysfs.c +++ b/net/bluetooth/hci_sysfs.c @@ -3,6 +3,8 @@ #include <linux/kernel.h> #include <linux/init.h> +#include <linux/platform_device.h> + #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> @@ -11,35 +13,35 @@ #define BT_DBG(D...) #endif -static ssize_t show_name(struct class_device *cdev, char *buf) +static ssize_t show_name(struct device *dev, struct device_attribute *attr, char *buf) { - struct hci_dev *hdev = class_get_devdata(cdev); + struct hci_dev *hdev = dev_get_drvdata(dev); return sprintf(buf, "%s\n", hdev->name); } -static ssize_t show_type(struct class_device *cdev, char *buf) +static ssize_t show_type(struct device *dev, struct device_attribute *attr, char *buf) { - struct hci_dev *hdev = class_get_devdata(cdev); + struct hci_dev *hdev = dev_get_drvdata(dev); return sprintf(buf, "%d\n", hdev->type); } -static ssize_t show_address(struct class_device *cdev, char *buf) +static ssize_t show_address(struct device *dev, struct device_attribute *attr, char *buf) { - struct hci_dev *hdev = class_get_devdata(cdev); + struct hci_dev *hdev = dev_get_drvdata(dev); bdaddr_t bdaddr; baswap(&bdaddr, &hdev->bdaddr); return sprintf(buf, "%s\n", batostr(&bdaddr)); } -static ssize_t show_flags(struct class_device *cdev, char *buf) +static ssize_t show_flags(struct device *dev, struct device_attribute *attr, char *buf) { - struct hci_dev *hdev = class_get_devdata(cdev); + struct hci_dev *hdev = dev_get_drvdata(dev); return sprintf(buf, "0x%lx\n", hdev->flags); } -static ssize_t show_inquiry_cache(struct class_device *cdev, char *buf) +static ssize_t show_inquiry_cache(struct device *dev, struct device_attribute *attr, char *buf) { - struct hci_dev *hdev = class_get_devdata(cdev); + struct hci_dev *hdev = dev_get_drvdata(dev); struct inquiry_cache *cache = &hdev->inq_cache; struct inquiry_entry *e; int n = 0; @@ -61,94 +63,193 @@ static ssize_t show_inquiry_cache(struct class_device *cdev, char *buf) return n; } -static CLASS_DEVICE_ATTR(name, S_IRUGO, show_name, NULL); -static CLASS_DEVICE_ATTR(type, S_IRUGO, show_type, NULL); -static CLASS_DEVICE_ATTR(address, S_IRUGO, show_address, NULL); -static CLASS_DEVICE_ATTR(flags, S_IRUGO, show_flags, NULL); -static CLASS_DEVICE_ATTR(inquiry_cache, S_IRUGO, show_inquiry_cache, NULL); +static ssize_t show_idle_timeout(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct hci_dev *hdev = dev_get_drvdata(dev); + return sprintf(buf, "%d\n", hdev->idle_timeout); +} -static struct class_device_attribute *bt_attrs[] = { - &class_device_attr_name, - &class_device_attr_type, - &class_device_attr_address, - &class_device_attr_flags, - &class_device_attr_inquiry_cache, - NULL -}; +static ssize_t store_idle_timeout(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) +{ + struct hci_dev *hdev = dev_get_drvdata(dev); + char *ptr; + __u32 val; + + val = simple_strtoul(buf, &ptr, 10); + if (ptr == buf) + return -EINVAL; -#ifdef CONFIG_HOTPLUG -static int bt_uevent(struct class_device *cdev, char **envp, int num_envp, char *buf, int size) + if (val != 0 && (val < 500 || val > 3600000)) + return -EINVAL; + + hdev->idle_timeout = val; + + return count; +} + +static ssize_t show_sniff_max_interval(struct device *dev, struct device_attribute *attr, char *buf) { - struct hci_dev *hdev = class_get_devdata(cdev); - int n, i = 0; + struct hci_dev *hdev = dev_get_drvdata(dev); + return sprintf(buf, "%d\n", hdev->sniff_max_interval); +} - envp[i++] = buf; - n = snprintf(buf, size, "INTERFACE=%s", hdev->name) + 1; - buf += n; - size -= n; +static ssize_t store_sniff_max_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) +{ + struct hci_dev *hdev = dev_get_drvdata(dev); + char *ptr; + __u16 val; - if ((size <= 0) || (i >= num_envp)) - return -ENOMEM; + val = simple_strtoul(buf, &ptr, 10); + if (ptr == buf) + return -EINVAL; - envp[i] = NULL; - return 0; + if (val < 0x0002 || val > 0xFFFE || val % 2) + return -EINVAL; + + if (val < hdev->sniff_min_interval) + return -EINVAL; + + hdev->sniff_max_interval = val; + + return count; +} + +static ssize_t show_sniff_min_interval(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct hci_dev *hdev = dev_get_drvdata(dev); + return sprintf(buf, "%d\n", hdev->sniff_min_interval); } -#endif -static void bt_release(struct class_device *cdev) +static ssize_t store_sniff_min_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct hci_dev *hdev = class_get_devdata(cdev); + struct hci_dev *hdev = dev_get_drvdata(dev); + char *ptr; + __u16 val; - kfree(hdev); + val = simple_strtoul(buf, &ptr, 10); + if (ptr == buf) + return -EINVAL; + + if (val < 0x0002 || val > 0xFFFE || val % 2) + return -EINVAL; + + if (val > hdev->sniff_max_interval) + return -EINVAL; + + hdev->sniff_min_interval = val; + + return count; } -struct class bt_class = { - .name = "bluetooth", - .release = bt_release, -#ifdef CONFIG_HOTPLUG - .uevent = bt_uevent, -#endif +static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); +static DEVICE_ATTR(type, S_IRUGO, show_type, NULL); +static DEVICE_ATTR(address, S_IRUGO, show_address, NULL); +static DEVICE_ATTR(flags, S_IRUGO, show_flags, NULL); +static DEVICE_ATTR(inquiry_cache, S_IRUGO, show_inquiry_cache, NULL); + +static DEVICE_ATTR(idle_timeout, S_IRUGO | S_IWUSR, + show_idle_timeout, store_idle_timeout); +static DEVICE_ATTR(sniff_max_interval, S_IRUGO | S_IWUSR, + show_sniff_max_interval, store_sniff_max_interval); +static DEVICE_ATTR(sniff_min_interval, S_IRUGO | S_IWUSR, + show_sniff_min_interval, store_sniff_min_interval); + +static struct device_attribute *bt_attrs[] = { + &dev_attr_name, + &dev_attr_type, + &dev_attr_address, + &dev_attr_flags, + &dev_attr_inquiry_cache, + &dev_attr_idle_timeout, + &dev_attr_sniff_max_interval, + &dev_attr_sniff_min_interval, + NULL }; +struct class *bt_class = NULL; EXPORT_SYMBOL_GPL(bt_class); +static struct bus_type bt_bus = { + .name = "bluetooth", +}; + +static struct platform_device *bt_platform; + +static void bt_release(struct device *dev) +{ + struct hci_dev *hdev = dev_get_drvdata(dev); + kfree(hdev); +} + int hci_register_sysfs(struct hci_dev *hdev) { - struct class_device *cdev = &hdev->class_dev; + struct device *dev = &hdev->dev; unsigned int i; int err; BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type); - cdev->class = &bt_class; - class_set_devdata(cdev, hdev); + dev->class = bt_class; + + if (hdev->parent) + dev->parent = hdev->parent; + else + dev->parent = &bt_platform->dev; + + strlcpy(dev->bus_id, hdev->name, BUS_ID_SIZE); + + dev->release = bt_release; - strlcpy(cdev->class_id, hdev->name, BUS_ID_SIZE); - err = class_device_register(cdev); + dev_set_drvdata(dev, hdev); + + err = device_register(dev); if (err < 0) return err; for (i = 0; bt_attrs[i]; i++) - class_device_create_file(cdev, bt_attrs[i]); + device_create_file(dev, bt_attrs[i]); return 0; } void hci_unregister_sysfs(struct hci_dev *hdev) { - struct class_device * cdev = &hdev->class_dev; + struct device *dev = &hdev->dev; BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type); - class_device_del(cdev); + device_del(dev); } int __init bt_sysfs_init(void) { - return class_register(&bt_class); + int err; + + bt_platform = platform_device_register_simple("bluetooth", -1, NULL, 0); + if (IS_ERR(bt_platform)) + return PTR_ERR(bt_platform); + + err = bus_register(&bt_bus); + if (err < 0) { + platform_device_unregister(bt_platform); + return err; + } + + bt_class = class_create(THIS_MODULE, "bluetooth"); + if (IS_ERR(bt_class)) { + bus_unregister(&bt_bus); + platform_device_unregister(bt_platform); + return PTR_ERR(bt_class); + } + + return 0; } void __exit bt_sysfs_cleanup(void) { - class_unregister(&bt_class); + class_destroy(bt_class); + + bus_unregister(&bt_bus); + + platform_device_unregister(bt_platform); } diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c index 770101177da1..eaaad658d11d 100644 --- a/net/bluetooth/l2cap.c +++ b/net/bluetooth/l2cap.c @@ -63,11 +63,6 @@ static struct bt_sock_list l2cap_sk_list = { .lock = RW_LOCK_UNLOCKED }; -static int l2cap_conn_del(struct hci_conn *conn, int err); - -static void __l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk, struct sock *parent); -static void l2cap_chan_del(struct sock *sk, int err); - static void __l2cap_sock_close(struct sock *sk, int reason); static void l2cap_sock_close(struct sock *sk); static void l2cap_sock_kill(struct sock *sk); @@ -109,24 +104,177 @@ static void l2cap_sock_init_timer(struct sock *sk) sk->sk_timer.data = (unsigned long)sk; } +/* ---- L2CAP channels ---- */ +static struct sock *__l2cap_get_chan_by_dcid(struct l2cap_chan_list *l, u16 cid) +{ + struct sock *s; + for (s = l->head; s; s = l2cap_pi(s)->next_c) { + if (l2cap_pi(s)->dcid == cid) + break; + } + return s; +} + +static struct sock *__l2cap_get_chan_by_scid(struct l2cap_chan_list *l, u16 cid) +{ + struct sock *s; + for (s = l->head; s; s = l2cap_pi(s)->next_c) { + if (l2cap_pi(s)->scid == cid) + break; + } + return s; +} + +/* Find channel with given SCID. + * Returns locked socket */ +static inline struct sock *l2cap_get_chan_by_scid(struct l2cap_chan_list *l, u16 cid) +{ + struct sock *s; + read_lock(&l->lock); + s = __l2cap_get_chan_by_scid(l, cid); + if (s) bh_lock_sock(s); + read_unlock(&l->lock); + return s; +} + +static struct sock *__l2cap_get_chan_by_ident(struct l2cap_chan_list *l, u8 ident) +{ + struct sock *s; + for (s = l->head; s; s = l2cap_pi(s)->next_c) { + if (l2cap_pi(s)->ident == ident) + break; + } + return s; +} + +static inline struct sock *l2cap_get_chan_by_ident(struct l2cap_chan_list *l, u8 ident) +{ + struct sock *s; + read_lock(&l->lock); + s = __l2cap_get_chan_by_ident(l, ident); + if (s) bh_lock_sock(s); + read_unlock(&l->lock); + return s; +} + +static u16 l2cap_alloc_cid(struct l2cap_chan_list *l) +{ + u16 cid = 0x0040; + + for (; cid < 0xffff; cid++) { + if(!__l2cap_get_chan_by_scid(l, cid)) + return cid; + } + + return 0; +} + +static inline void __l2cap_chan_link(struct l2cap_chan_list *l, struct sock *sk) +{ + sock_hold(sk); + + if (l->head) + l2cap_pi(l->head)->prev_c = sk; + + l2cap_pi(sk)->next_c = l->head; + l2cap_pi(sk)->prev_c = NULL; + l->head = sk; +} + +static inline void l2cap_chan_unlink(struct l2cap_chan_list *l, struct sock *sk) +{ + struct sock *next = l2cap_pi(sk)->next_c, *prev = l2cap_pi(sk)->prev_c; + + write_lock(&l->lock); + if (sk == l->head) + l->head = next; + + if (next) + l2cap_pi(next)->prev_c = prev; + if (prev) + l2cap_pi(prev)->next_c = next; + write_unlock(&l->lock); + + __sock_put(sk); +} + +static void __l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk, struct sock *parent) +{ + struct l2cap_chan_list *l = &conn->chan_list; + + BT_DBG("conn %p, psm 0x%2.2x, dcid 0x%4.4x", conn, l2cap_pi(sk)->psm, l2cap_pi(sk)->dcid); + + l2cap_pi(sk)->conn = conn; + + if (sk->sk_type == SOCK_SEQPACKET) { + /* Alloc CID for connection-oriented socket */ + l2cap_pi(sk)->scid = l2cap_alloc_cid(l); + } else if (sk->sk_type == SOCK_DGRAM) { + /* Connectionless socket */ + l2cap_pi(sk)->scid = 0x0002; + l2cap_pi(sk)->dcid = 0x0002; + l2cap_pi(sk)->omtu = L2CAP_DEFAULT_MTU; + } else { + /* Raw socket can send/recv signalling messages only */ + l2cap_pi(sk)->scid = 0x0001; + l2cap_pi(sk)->dcid = 0x0001; + l2cap_pi(sk)->omtu = L2CAP_DEFAULT_MTU; + } + + __l2cap_chan_link(l, sk); + + if (parent) + bt_accept_enqueue(parent, sk); +} + +/* Delete channel. + * Must be called on the locked socket. */ +static void l2cap_chan_del(struct sock *sk, int err) +{ + struct l2cap_conn *conn = l2cap_pi(sk)->conn; + struct sock *parent = bt_sk(sk)->parent; + + l2cap_sock_clear_timer(sk); + + BT_DBG("sk %p, conn %p, err %d", sk, conn, err); + + if (conn) { + /* Unlink from channel list */ + l2cap_chan_unlink(&conn->chan_list, sk); + l2cap_pi(sk)->conn = NULL; + hci_conn_put(conn->hcon); + } + + sk->sk_state = BT_CLOSED; + sock_set_flag(sk, SOCK_ZAPPED); + + if (err) + sk->sk_err = err; + + if (parent) { + bt_accept_unlink(sk); + parent->sk_data_ready(parent, 0); + } else + sk->sk_state_change(sk); +} + /* ---- L2CAP connections ---- */ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon, u8 status) { - struct l2cap_conn *conn; - - if ((conn = hcon->l2cap_data)) - return conn; + struct l2cap_conn *conn = hcon->l2cap_data; - if (status) + if (conn || status) return conn; - if (!(conn = kmalloc(sizeof(struct l2cap_conn), GFP_ATOMIC))) + conn = kzalloc(sizeof(struct l2cap_conn), GFP_ATOMIC); + if (!conn) return NULL; - memset(conn, 0, sizeof(struct l2cap_conn)); hcon->l2cap_data = conn; conn->hcon = hcon; + BT_DBG("hcon %p conn %p", hcon, conn); + conn->mtu = hcon->hdev->acl_mtu; conn->src = &hcon->hdev->bdaddr; conn->dst = &hcon->dst; @@ -134,17 +282,16 @@ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon, u8 status) spin_lock_init(&conn->lock); rwlock_init(&conn->chan_list.lock); - BT_DBG("hcon %p conn %p", hcon, conn); return conn; } -static int l2cap_conn_del(struct hci_conn *hcon, int err) +static void l2cap_conn_del(struct hci_conn *hcon, int err) { - struct l2cap_conn *conn; + struct l2cap_conn *conn = hcon->l2cap_data; struct sock *sk; - if (!(conn = hcon->l2cap_data)) - return 0; + if (!conn) + return; BT_DBG("hcon %p conn %p, err %d", hcon, conn, err); @@ -161,7 +308,6 @@ static int l2cap_conn_del(struct hci_conn *hcon, int err) hcon->l2cap_data = NULL; kfree(conn); - return 0; } static inline void l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk, struct sock *parent) @@ -925,160 +1071,6 @@ static int l2cap_sock_release(struct socket *sock) return err; } -/* ---- L2CAP channels ---- */ -static struct sock *__l2cap_get_chan_by_dcid(struct l2cap_chan_list *l, u16 cid) -{ - struct sock *s; - for (s = l->head; s; s = l2cap_pi(s)->next_c) { - if (l2cap_pi(s)->dcid == cid) - break; - } - return s; -} - -static struct sock *__l2cap_get_chan_by_scid(struct l2cap_chan_list *l, u16 cid) -{ - struct sock *s; - for (s = l->head; s; s = l2cap_pi(s)->next_c) { - if (l2cap_pi(s)->scid == cid) - break; - } - return s; -} - -/* Find channel with given SCID. - * Returns locked socket */ -static inline struct sock *l2cap_get_chan_by_scid(struct l2cap_chan_list *l, u16 cid) -{ - struct sock *s; - read_lock(&l->lock); - s = __l2cap_get_chan_by_scid(l, cid); - if (s) bh_lock_sock(s); - read_unlock(&l->lock); - return s; -} - -static struct sock *__l2cap_get_chan_by_ident(struct l2cap_chan_list *l, u8 ident) -{ - struct sock *s; - for (s = l->head; s; s = l2cap_pi(s)->next_c) { - if (l2cap_pi(s)->ident == ident) - break; - } - return s; -} - -static inline struct sock *l2cap_get_chan_by_ident(struct l2cap_chan_list *l, u8 ident) -{ - struct sock *s; - read_lock(&l->lock); - s = __l2cap_get_chan_by_ident(l, ident); - if (s) bh_lock_sock(s); - read_unlock(&l->lock); - return s; -} - -static u16 l2cap_alloc_cid(struct l2cap_chan_list *l) -{ - u16 cid = 0x0040; - - for (; cid < 0xffff; cid++) { - if(!__l2cap_get_chan_by_scid(l, cid)) - return cid; - } - - return 0; -} - -static inline void __l2cap_chan_link(struct l2cap_chan_list *l, struct sock *sk) -{ - sock_hold(sk); - - if (l->head) - l2cap_pi(l->head)->prev_c = sk; - - l2cap_pi(sk)->next_c = l->head; - l2cap_pi(sk)->prev_c = NULL; - l->head = sk; -} - -static inline void l2cap_chan_unlink(struct l2cap_chan_list *l, struct sock *sk) -{ - struct sock *next = l2cap_pi(sk)->next_c, *prev = l2cap_pi(sk)->prev_c; - - write_lock(&l->lock); - if (sk == l->head) - l->head = next; - - if (next) - l2cap_pi(next)->prev_c = prev; - if (prev) - l2cap_pi(prev)->next_c = next; - write_unlock(&l->lock); - - __sock_put(sk); -} - -static void __l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk, struct sock *parent) -{ - struct l2cap_chan_list *l = &conn->chan_list; - - BT_DBG("conn %p, psm 0x%2.2x, dcid 0x%4.4x", conn, l2cap_pi(sk)->psm, l2cap_pi(sk)->dcid); - - l2cap_pi(sk)->conn = conn; - - if (sk->sk_type == SOCK_SEQPACKET) { - /* Alloc CID for connection-oriented socket */ - l2cap_pi(sk)->scid = l2cap_alloc_cid(l); - } else if (sk->sk_type == SOCK_DGRAM) { - /* Connectionless socket */ - l2cap_pi(sk)->scid = 0x0002; - l2cap_pi(sk)->dcid = 0x0002; - l2cap_pi(sk)->omtu = L2CAP_DEFAULT_MTU; - } else { - /* Raw socket can send/recv signalling messages only */ - l2cap_pi(sk)->scid = 0x0001; - l2cap_pi(sk)->dcid = 0x0001; - l2cap_pi(sk)->omtu = L2CAP_DEFAULT_MTU; - } - - __l2cap_chan_link(l, sk); - - if (parent) - bt_accept_enqueue(parent, sk); -} - -/* Delete channel. - * Must be called on the locked socket. */ -static void l2cap_chan_del(struct sock *sk, int err) -{ - struct l2cap_conn *conn = l2cap_pi(sk)->conn; - struct sock *parent = bt_sk(sk)->parent; - - l2cap_sock_clear_timer(sk); - - BT_DBG("sk %p, conn %p, err %d", sk, conn, err); - - if (conn) { - /* Unlink from channel list */ - l2cap_chan_unlink(&conn->chan_list, sk); - l2cap_pi(sk)->conn = NULL; - hci_conn_put(conn->hcon); - } - - sk->sk_state = BT_CLOSED; - sock_set_flag(sk, SOCK_ZAPPED); - - if (err) - sk->sk_err = err; - - if (parent) { - bt_accept_unlink(sk); - parent->sk_data_ready(parent, 0); - } else - sk->sk_state_change(sk); -} - static void l2cap_conn_ready(struct l2cap_conn *conn) { struct l2cap_chan_list *l = &conn->chan_list; @@ -1834,7 +1826,9 @@ drop: kfree_skb(skb); done: - if (sk) bh_unlock_sock(sk); + if (sk) + bh_unlock_sock(sk); + return 0; } @@ -1925,18 +1919,18 @@ static int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type) static int l2cap_connect_cfm(struct hci_conn *hcon, u8 status) { + struct l2cap_conn *conn; + BT_DBG("hcon %p bdaddr %s status %d", hcon, batostr(&hcon->dst), status); if (hcon->type != ACL_LINK) return 0; if (!status) { - struct l2cap_conn *conn; - conn = l2cap_conn_add(hcon, status); if (conn) l2cap_conn_ready(conn); - } else + } else l2cap_conn_del(hcon, bt_err(status)); return 0; @@ -1950,19 +1944,21 @@ static int l2cap_disconn_ind(struct hci_conn *hcon, u8 reason) return 0; l2cap_conn_del(hcon, bt_err(reason)); + return 0; } static int l2cap_auth_cfm(struct hci_conn *hcon, u8 status) { struct l2cap_chan_list *l; - struct l2cap_conn *conn; + struct l2cap_conn *conn = conn = hcon->l2cap_data; struct l2cap_conn_rsp rsp; struct sock *sk; int result; - if (!(conn = hcon->l2cap_data)) + if (!conn) return 0; + l = &conn->chan_list; BT_DBG("conn %p", conn); @@ -2005,13 +2001,14 @@ static int l2cap_auth_cfm(struct hci_conn *hcon, u8 status) static int l2cap_encrypt_cfm(struct hci_conn *hcon, u8 status) { struct l2cap_chan_list *l; - struct l2cap_conn *conn; + struct l2cap_conn *conn = hcon->l2cap_data; struct l2cap_conn_rsp rsp; struct sock *sk; int result; - if (!(conn = hcon->l2cap_data)) + if (!conn) return 0; + l = &conn->chan_list; BT_DBG("conn %p", conn); @@ -2219,7 +2216,7 @@ static int __init l2cap_init(void) goto error; } - class_create_file(&bt_class, &class_attr_l2cap); + class_create_file(bt_class, &class_attr_l2cap); BT_INFO("L2CAP ver %s", VERSION); BT_INFO("L2CAP socket layer initialized"); @@ -2233,7 +2230,7 @@ error: static void __exit l2cap_exit(void) { - class_remove_file(&bt_class, &class_attr_l2cap); + class_remove_file(bt_class, &class_attr_l2cap); if (bt_sock_unregister(BTPROTO_L2CAP) < 0) BT_ERR("L2CAP socket unregistration failed"); diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c index bd46e8927f29..155a2b93760e 100644 --- a/net/bluetooth/rfcomm/core.c +++ b/net/bluetooth/rfcomm/core.c @@ -52,8 +52,9 @@ #define BT_DBG(D...) #endif -#define VERSION "1.7" +#define VERSION "1.8" +static int disable_cfc = 0; static unsigned int l2cap_mtu = RFCOMM_MAX_L2CAP_MTU; static struct task_struct *rfcomm_thread; @@ -533,7 +534,7 @@ static struct rfcomm_session *rfcomm_session_add(struct socket *sock, int state) s->sock = sock; s->mtu = RFCOMM_DEFAULT_MTU; - s->cfc = RFCOMM_CFC_UNKNOWN; + s->cfc = disable_cfc ? RFCOMM_CFC_DISABLED : RFCOMM_CFC_UNKNOWN; /* Do not increment module usage count for listening sessions. * Otherwise we won't be able to unload the module. */ @@ -1149,6 +1150,8 @@ static inline int rfcomm_check_link_mode(struct rfcomm_dlc *d) static void rfcomm_dlc_accept(struct rfcomm_dlc *d) { + struct sock *sk = d->session->sock->sk; + BT_DBG("dlc %p", d); rfcomm_send_ua(d->session, d->dlci); @@ -1158,6 +1161,9 @@ static void rfcomm_dlc_accept(struct rfcomm_dlc *d) d->state_change(d, 0); rfcomm_dlc_unlock(d); + if (d->link_mode & RFCOMM_LM_MASTER) + hci_conn_switch_role(l2cap_pi(sk)->conn->hcon, 0x00); + rfcomm_send_msc(d->session, 1, d->dlci, d->v24_sig); } @@ -1222,14 +1228,18 @@ static int rfcomm_apply_pn(struct rfcomm_dlc *d, int cr, struct rfcomm_pn *pn) BT_DBG("dlc %p state %ld dlci %d mtu %d fc 0x%x credits %d", d, d->state, d->dlci, pn->mtu, pn->flow_ctrl, pn->credits); - if (pn->flow_ctrl == 0xf0 || pn->flow_ctrl == 0xe0) { - d->cfc = s->cfc = RFCOMM_CFC_ENABLED; + if ((pn->flow_ctrl == 0xf0 && s->cfc != RFCOMM_CFC_DISABLED) || + pn->flow_ctrl == 0xe0) { + d->cfc = RFCOMM_CFC_ENABLED; d->tx_credits = pn->credits; } else { - d->cfc = s->cfc = RFCOMM_CFC_DISABLED; + d->cfc = RFCOMM_CFC_DISABLED; set_bit(RFCOMM_TX_THROTTLED, &d->flags); } + if (s->cfc == RFCOMM_CFC_UNKNOWN) + s->cfc = d->cfc; + d->priority = pn->priority; d->mtu = s->mtu = btohs(pn->mtu); @@ -2035,7 +2045,7 @@ static int __init rfcomm_init(void) kernel_thread(rfcomm_run, NULL, CLONE_KERNEL); - class_create_file(&bt_class, &class_attr_rfcomm_dlc); + class_create_file(bt_class, &class_attr_rfcomm_dlc); rfcomm_init_sockets(); @@ -2050,7 +2060,7 @@ static int __init rfcomm_init(void) static void __exit rfcomm_exit(void) { - class_remove_file(&bt_class, &class_attr_rfcomm_dlc); + class_remove_file(bt_class, &class_attr_rfcomm_dlc); hci_unregister_cb(&rfcomm_cb); @@ -2073,6 +2083,9 @@ static void __exit rfcomm_exit(void) module_init(rfcomm_init); module_exit(rfcomm_exit); +module_param(disable_cfc, bool, 0644); +MODULE_PARM_DESC(disable_cfc, "Disable credit based flow control"); + module_param(l2cap_mtu, uint, 0644); MODULE_PARM_DESC(l2cap_mtu, "Default MTU for the L2CAP connection"); diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index 4e9962c8cfa6..220fee04e7f2 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c @@ -944,7 +944,7 @@ int __init rfcomm_init_sockets(void) if (err < 0) goto error; - class_create_file(&bt_class, &class_attr_rfcomm); + class_create_file(bt_class, &class_attr_rfcomm); BT_INFO("RFCOMM socket layer initialized"); @@ -958,7 +958,7 @@ error: void __exit rfcomm_cleanup_sockets(void) { - class_remove_file(&bt_class, &class_attr_rfcomm); + class_remove_file(bt_class, &class_attr_rfcomm); if (bt_sock_unregister(BTPROTO_RFCOMM) < 0) BT_ERR("RFCOMM socket layer unregistration failed"); diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index a5f1e44db5d3..85defccc0287 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -969,7 +969,7 @@ static int __init sco_init(void) goto error; } - class_create_file(&bt_class, &class_attr_sco); + class_create_file(bt_class, &class_attr_sco); BT_INFO("SCO (Voice Link) ver %s", VERSION); BT_INFO("SCO socket layer initialized"); @@ -983,7 +983,7 @@ error: static void __exit sco_exit(void) { - class_remove_file(&bt_class, &class_attr_sco); + class_remove_file(bt_class, &class_attr_sco); if (bt_sock_unregister(BTPROTO_SCO) < 0) BT_ERR("SCO socket unregistration failed"); |