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| author | Ville Tervo <ville.tervo@nokia.com> | 2011-02-10 22:38:48 -0300 |
|---|---|---|
| committer | Gustavo F. Padovan <padovan@profusion.mobi> | 2011-02-16 16:32:51 -0300 |
| commit | 6ed58ec520ad2b2fe3f955c8a5fd0eecafccebdf (patch) | |
| tree | 5e53b20a64214c811dda8625c14af394a7800718 /net/bluetooth/hci_event.c | |
| parent | fcd89c09a59a054fb986861e0862aa2fff7d7c40 (diff) | |
| download | lwn-6ed58ec520ad2b2fe3f955c8a5fd0eecafccebdf.tar.gz lwn-6ed58ec520ad2b2fe3f955c8a5fd0eecafccebdf.zip | |
Bluetooth: Use LE buffers for LE traffic
Bluetooth chips may have separate buffers for LE traffic.
This patch add support to use LE buffers provided by the chip.
Signed-off-by: Ville Tervo <ville.tervo@nokia.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Diffstat (limited to 'net/bluetooth/hci_event.c')
| -rw-r--r-- | net/bluetooth/hci_event.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 47c6e9316ce8..3155ad588076 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -776,6 +776,25 @@ static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb) mgmt_pin_code_neg_reply_complete(hdev->id, &rp->bdaddr, rp->status); } +static void hci_cc_le_read_buffer_size(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_le_read_buffer_size *rp = (void *) skb->data; + + BT_DBG("%s status 0x%x", hdev->name, rp->status); + + if (rp->status) + return; + + hdev->le_mtu = __le16_to_cpu(rp->le_mtu); + hdev->le_pkts = rp->le_max_pkt; + + hdev->le_cnt = hdev->le_pkts; + + BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts); + + hci_req_complete(hdev, HCI_OP_LE_READ_BUFFER_SIZE, rp->status); +} static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) { @@ -1704,6 +1723,10 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk hci_cc_pin_code_neg_reply(hdev, skb); break; + case HCI_OP_LE_READ_BUFFER_SIZE: + hci_cc_le_read_buffer_size(hdev, skb); + break; + default: BT_DBG("%s opcode 0x%x", hdev->name, opcode); break; @@ -1849,6 +1872,16 @@ static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *s hdev->acl_cnt += count; if (hdev->acl_cnt > hdev->acl_pkts) hdev->acl_cnt = hdev->acl_pkts; + } else if (conn->type == LE_LINK) { + if (hdev->le_pkts) { + hdev->le_cnt += count; + if (hdev->le_cnt > hdev->le_pkts) + hdev->le_cnt = hdev->le_pkts; + } else { + 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) |