diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/bluetooth/hci_core.c | 22 | ||||
| -rw-r--r-- | net/bluetooth/hci_event.c | 6 |
2 files changed, 22 insertions, 6 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index c01415b..702d565 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -41,6 +41,7 @@ #include <linux/interrupt.h> #include <linux/notifier.h> #include <linux/rfkill.h> +#include <linux/timer.h> #include <net/sock.h> #include <asm/system.h> @@ -623,6 +624,7 @@ static int hci_dev_do_close(struct hci_dev *hdev) /* Drop last sent command */ if (hdev->sent_cmd) { + del_timer_sync(&hdev->cmd_timer); kfree_skb(hdev->sent_cmd); hdev->sent_cmd = NULL; } @@ -1066,6 +1068,16 @@ int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr) return 0; } +/* HCI command timer function */ +static void hci_cmd_timer(unsigned long arg) +{ + struct hci_dev *hdev = (void *) arg; + + BT_ERR("%s command tx timeout", hdev->name); + atomic_set(&hdev->cmd_cnt, 1); + tasklet_schedule(&hdev->cmd_task); +} + /* Register HCI device */ int hci_register_dev(struct hci_dev *hdev) { @@ -1112,6 +1124,8 @@ int hci_register_dev(struct hci_dev *hdev) skb_queue_head_init(&hdev->cmd_q); skb_queue_head_init(&hdev->raw_q); + setup_timer(&hdev->cmd_timer, hci_cmd_timer, (unsigned long) hdev); + for (i = 0; i < NUM_REASSEMBLY; i++) hdev->reassembly[i] = NULL; @@ -2004,11 +2018,6 @@ static void hci_cmd_task(unsigned long arg) BT_DBG("%s cmd %d", hdev->name, atomic_read(&hdev->cmd_cnt)); - if (!atomic_read(&hdev->cmd_cnt) && time_after(jiffies, hdev->cmd_last_tx + HZ)) { - BT_ERR("%s command tx timeout", hdev->name); - atomic_set(&hdev->cmd_cnt, 1); - } - /* Send queued commands */ if (atomic_read(&hdev->cmd_cnt)) { skb = skb_dequeue(&hdev->cmd_q); @@ -2021,7 +2030,8 @@ static void hci_cmd_task(unsigned long arg) if (hdev->sent_cmd) { atomic_dec(&hdev->cmd_cnt); hci_send_frame(skb); - hdev->cmd_last_tx = jiffies; + mod_timer(&hdev->cmd_timer, + jiffies + msecs_to_jiffies(HCI_CMD_TIMEOUT)); } else { skb_queue_head(&hdev->cmd_q, skb); tasklet_schedule(&hdev->cmd_task); diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 74f04a2..09cb29e 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -1732,6 +1732,9 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk break; } + if (ev->opcode != HCI_OP_NOP) + del_timer(&hdev->cmd_timer); + if (ev->ncmd) { atomic_set(&hdev->cmd_cnt, 1); if (!skb_queue_empty(&hdev->cmd_q)) @@ -1807,6 +1810,9 @@ static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb) break; } + if (ev->opcode != HCI_OP_NOP) + del_timer(&hdev->cmd_timer); + if (ev->ncmd) { atomic_set(&hdev->cmd_cnt, 1); if (!skb_queue_empty(&hdev->cmd_q)) |