From: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
Upstream Code Aurora function with minor trivial fixes.
Origin: git://codeaurora.org/kernel/msm.git
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
---
include/net/bluetooth/hci.h | 8 ++++++++
include/net/bluetooth/hci_core.h | 2 ++
net/bluetooth/hci_event.c | 31 +++++++++++++++++++++++++++++++
3 files changed, 41 insertions(+), 0 deletions(-)
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 67f7028..86884b4 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -741,6 +741,14 @@ struct hci_rp_read_bd_addr {
bdaddr_t bdaddr;
} __packed;
+#define HCI_OP_READ_DATA_BLOCK_SIZE 0x100a
+struct hci_rp_read_data_block_size {
+ __u8 status;
+ __le16 max_acl_len;
+ __le16 block_len;
+ __le16 num_blocks;
+} __packed;
+
#define HCI_OP_WRITE_PAGE_SCAN_ACTIVITY 0x0c1c
struct hci_cp_write_page_scan_activity {
__le16 interval;
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index a7fd63a..869ab72 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -172,6 +172,8 @@ struct hci_dev {
__u8 flow_ctl_mode;
+ __u16 block_len;
+
unsigned int auto_accept_delay;
unsigned long quirks;
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 53e56b4..dfea1c6 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -774,6 +774,33 @@ static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
hci_req_complete(hdev, HCI_OP_READ_BD_ADDR, rp->status);
}
+static void hci_cc_read_data_block_size(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_read_data_block_size *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ if (hdev->flow_ctl_mode == HCI_BLOCK_BASED_FLOW_CTL_MODE) {
+ hdev->acl_mtu = __le16_to_cpu(rp->max_acl_len);
+ hdev->sco_mtu = 0;
+ hdev->block_len = __le16_to_cpu(rp->block_len);
+ /* acl_pkts indicates the number of blocks */
+ hdev->acl_pkts = __le16_to_cpu(rp->num_blocks);
+ hdev->sco_pkts = 0;
+ hdev->acl_cnt = hdev->acl_pkts;
+ hdev->sco_cnt = 0;
+ }
+
+ BT_DBG("%s acl mtu %d:%d, block len %d", hdev->name, hdev->acl_mtu,
+ hdev->acl_cnt, hdev->block_len);
+
+ hci_req_complete(hdev, HCI_OP_READ_DATA_BLOCK_SIZE, rp->status);
+}
+
static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
@@ -1981,6 +2008,10 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
hci_cc_read_bd_addr(hdev, skb);
break;
+ case HCI_OP_READ_DATA_BLOCK_SIZE:
+ hci_cc_read_data_block_size(hdev, skb);
+ break;
+
case HCI_OP_WRITE_CA_TIMEOUT:
hci_cc_write_ca_timeout(hdev, skb);
break;
--
1.7.4.1
--
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