diff options
| author | Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 2011-11-02 17:52:02 +0400 |
|---|---|---|
| committer | Gustavo F. Padovan <padovan@profusion.mobi> | 2011-11-07 23:24:56 +0400 |
| commit | ec1cce24d5950e797f10650abf7890ead67c6e64 (patch) | |
| tree | 832a18b8eaff406cc0f10669ac6b4c8f0b9008f6 /net/bluetooth | |
| parent | 73d80deb7bdf0171f22e76dc2429c1f99eff90e2 (diff) | |
| download | linux-ec1cce24d5950e797f10650abf7890ead67c6e64.tar.xz | |
Bluetooth: handle priority change within quote
The quote is calculated based on the first buffer in the queue so if the
priority changes to something lower than the priority of the first skb
the quote needs to be recalculated.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Diffstat (limited to 'net/bluetooth')
| -rw-r--r-- | net/bluetooth/hci_core.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 631327dc7fed..19e44533fb01 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -2193,10 +2193,17 @@ static inline void hci_sched_acl(struct hci_dev *hdev) while (hdev->acl_cnt && (chan = hci_chan_sent(hdev, ACL_LINK, "e))) { - while (quote-- && (skb = skb_dequeue(&chan->data_q))) { + u32 priority = (skb_peek(&chan->data_q))->priority; + while (quote-- && (skb = skb_peek(&chan->data_q))) { BT_DBG("chan %p skb %p len %d priority %u", chan, skb, skb->len, skb->priority); + /* Stop if priority has changed */ + if (skb->priority < priority) + break; + + skb = skb_dequeue(&chan->data_q); + hci_conn_enter_active_mode(chan->conn, bt_cb(skb)->force_active); @@ -2278,10 +2285,17 @@ static inline void hci_sched_le(struct hci_dev *hdev) cnt = hdev->le_pkts ? hdev->le_cnt : hdev->acl_cnt; while (cnt && (chan = hci_chan_sent(hdev, LE_LINK, "e))) { - while (quote-- && (skb = skb_dequeue(&chan->data_q))) { + u32 priority = (skb_peek(&chan->data_q))->priority; + while (quote-- && (skb = skb_peek(&chan->data_q))) { BT_DBG("chan %p skb %p len %d priority %u", chan, skb, skb->len, skb->priority); + /* Stop if priority has changed */ + if (skb->priority < priority) + break; + + skb = skb_dequeue(&chan->data_q); + hci_send_frame(skb); hdev->le_last_tx = jiffies; |