diff options
Diffstat (limited to 'net/bluetooth/hci_core.c')
-rw-r--r-- | net/bluetooth/hci_core.c | 95 |
1 files changed, 41 insertions, 54 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index c644b30977bd..8a4ebd93adfc 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -40,7 +40,6 @@ #include <net/bluetooth/l2cap.h> #include <net/bluetooth/mgmt.h> -#include "hci_request.h" #include "hci_debugfs.h" #include "smp.h" #include "leds.h" @@ -312,33 +311,12 @@ static int inquiry_cache_dump(struct hci_dev *hdev, int num, __u8 *buf) return copied; } -static int hci_inq_req(struct hci_request *req, unsigned long opt) -{ - struct hci_inquiry_req *ir = (struct hci_inquiry_req *) opt; - struct hci_dev *hdev = req->hdev; - struct hci_cp_inquiry cp; - - BT_DBG("%s", hdev->name); - - if (test_bit(HCI_INQUIRY, &hdev->flags)) - return 0; - - /* Start Inquiry */ - memcpy(&cp.lap, &ir->lap, 3); - cp.length = ir->length; - cp.num_rsp = ir->num_rsp; - hci_req_add(req, HCI_OP_INQUIRY, sizeof(cp), &cp); - - return 0; -} - int hci_inquiry(void __user *arg) { __u8 __user *ptr = arg; struct hci_inquiry_req ir; struct hci_dev *hdev; int err = 0, do_inquiry = 0, max_rsp; - long timeo; __u8 *buf; if (copy_from_user(&ir, ptr, sizeof(ir))) @@ -377,11 +355,11 @@ int hci_inquiry(void __user *arg) } hci_dev_unlock(hdev); - timeo = ir.length * msecs_to_jiffies(2000); - if (do_inquiry) { - err = hci_req_sync(hdev, hci_inq_req, (unsigned long) &ir, - timeo, NULL); + hci_req_sync_lock(hdev); + err = hci_inquiry_sync(hdev, ir.length, ir.num_rsp); + hci_req_sync_unlock(hdev); + if (err < 0) goto done; @@ -718,8 +696,8 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg) switch (cmd) { case HCISETAUTH: - err = __hci_cmd_sync_status(hdev, HCI_OP_WRITE_AUTH_ENABLE, - 1, &dr.dev_opt, HCI_CMD_TIMEOUT); + err = hci_cmd_sync_status(hdev, HCI_OP_WRITE_AUTH_ENABLE, + 1, &dr.dev_opt, HCI_CMD_TIMEOUT); break; case HCISETENCRYPT: @@ -730,23 +708,21 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg) if (!test_bit(HCI_AUTH, &hdev->flags)) { /* Auth must be enabled first */ - err = __hci_cmd_sync_status(hdev, - HCI_OP_WRITE_AUTH_ENABLE, - 1, &dr.dev_opt, - HCI_CMD_TIMEOUT); + err = hci_cmd_sync_status(hdev, + HCI_OP_WRITE_AUTH_ENABLE, + 1, &dr.dev_opt, + HCI_CMD_TIMEOUT); if (err) break; } - err = __hci_cmd_sync_status(hdev, HCI_OP_WRITE_ENCRYPT_MODE, - 1, &dr.dev_opt, - HCI_CMD_TIMEOUT); + err = hci_cmd_sync_status(hdev, HCI_OP_WRITE_ENCRYPT_MODE, + 1, &dr.dev_opt, HCI_CMD_TIMEOUT); break; case HCISETSCAN: - err = __hci_cmd_sync_status(hdev, HCI_OP_WRITE_SCAN_ENABLE, - 1, &dr.dev_opt, - HCI_CMD_TIMEOUT); + err = hci_cmd_sync_status(hdev, HCI_OP_WRITE_SCAN_ENABLE, + 1, &dr.dev_opt, HCI_CMD_TIMEOUT); /* Ensure that the connectable and discoverable states * get correctly modified as this was a non-mgmt change. @@ -758,9 +734,8 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg) case HCISETLINKPOL: policy = cpu_to_le16(dr.dev_opt); - err = __hci_cmd_sync_status(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, - 2, &policy, - HCI_CMD_TIMEOUT); + err = hci_cmd_sync_status(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, + 2, &policy, HCI_CMD_TIMEOUT); break; case HCISETLINKMODE: @@ -801,7 +776,7 @@ int hci_get_dev_list(void __user *arg) struct hci_dev *hdev; struct hci_dev_list_req *dl; struct hci_dev_req *dr; - int n = 0, size, err; + int n = 0, err; __u16 dev_num; if (get_user(dev_num, (__u16 __user *) arg)) @@ -810,12 +785,11 @@ int hci_get_dev_list(void __user *arg) if (!dev_num || dev_num > (PAGE_SIZE * 2) / sizeof(*dr)) return -EINVAL; - size = sizeof(*dl) + dev_num * sizeof(*dr); - - dl = kzalloc(size, GFP_KERNEL); + dl = kzalloc(struct_size(dl, dev_req, dev_num), GFP_KERNEL); if (!dl) return -ENOMEM; + dl->dev_num = dev_num; dr = dl->dev_req; read_lock(&hci_dev_list_lock); @@ -829,8 +803,8 @@ int hci_get_dev_list(void __user *arg) if (hci_dev_test_flag(hdev, HCI_AUTO_OFF)) flags &= ~BIT(HCI_UP); - (dr + n)->dev_id = hdev->id; - (dr + n)->dev_opt = flags; + dr[n].dev_id = hdev->id; + dr[n].dev_opt = flags; if (++n >= dev_num) break; @@ -838,9 +812,7 @@ int hci_get_dev_list(void __user *arg) read_unlock(&hci_dev_list_lock); dl->dev_num = n; - size = sizeof(*dl) + n * sizeof(*dr); - - err = copy_to_user(arg, dl, size); + err = copy_to_user(arg, dl, struct_size(dl, dev_req, n)); kfree(dl); return err ? -EFAULT : 0; @@ -2579,7 +2551,6 @@ struct hci_dev *hci_alloc_dev_priv(int sizeof_priv) INIT_DELAYED_WORK(&hdev->ncmd_timer, hci_ncmd_timeout); hci_devcd_setup(hdev); - hci_request_setup(hdev); hci_init_sysfs(hdev); discovery_init(hdev); @@ -2912,15 +2883,31 @@ int hci_reset_dev(struct hci_dev *hdev) } EXPORT_SYMBOL(hci_reset_dev); +static u8 hci_dev_classify_pkt_type(struct hci_dev *hdev, struct sk_buff *skb) +{ + if (hdev->classify_pkt_type) + return hdev->classify_pkt_type(hdev, skb); + + return hci_skb_pkt_type(skb); +} + /* Receive frame from HCI drivers */ int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb) { + u8 dev_pkt_type; + if (!hdev || (!test_bit(HCI_UP, &hdev->flags) && !test_bit(HCI_INIT, &hdev->flags))) { kfree_skb(skb); return -ENXIO; } + /* Check if the driver agree with packet type classification */ + dev_pkt_type = hci_dev_classify_pkt_type(hdev, skb); + if (hci_skb_pkt_type(skb) != dev_pkt_type) { + hci_skb_pkt_type(skb) = dev_pkt_type; + } + switch (hci_skb_pkt_type(skb)) { case HCI_EVENT_PKT: break; @@ -3065,7 +3052,7 @@ int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, BT_DBG("%s opcode 0x%4.4x plen %d", hdev->name, opcode, plen); - skb = hci_prepare_cmd(hdev, opcode, plen, param); + skb = hci_cmd_sync_alloc(hdev, opcode, plen, param, NULL); if (!skb) { bt_dev_err(hdev, "no memory for command"); return -ENOMEM; @@ -3100,7 +3087,7 @@ int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen, return -EINVAL; } - skb = hci_prepare_cmd(hdev, opcode, plen, param); + skb = hci_cmd_sync_alloc(hdev, opcode, plen, param, NULL); if (!skb) { bt_dev_err(hdev, "no memory for command (opcode 0x%4.4x)", opcode); @@ -4085,7 +4072,7 @@ static void hci_send_cmd_sync(struct hci_dev *hdev, struct sk_buff *skb) return; } - if (hci_req_status_pend(hdev) && + if (hdev->req_status == HCI_REQ_PEND && !hci_dev_test_and_set_flag(hdev, HCI_CMD_PENDING)) { kfree_skb(hdev->req_skb); hdev->req_skb = skb_clone(hdev->sent_cmd, GFP_KERNEL); |