Bluetooth: AMP: read local amp info HCI command

Implementation of Read Local AMP Info Command

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index aaf79af..c5fcd13 100644 (file)
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -726,6 +726,21 @@ struct hci_cp_write_page_scan_activity {
        #define PAGE_SCAN_TYPE_STANDARD         0x00
        #define PAGE_SCAN_TYPE_INTERLACED       0x01
 
+#define HCI_OP_READ_LOCAL_AMP_INFO     0x1409
+struct hci_rp_read_local_amp_info {
+       __u8     status;
+       __u8     amp_status;
+       __le32   total_bw;
+       __le32   max_bw;
+       __le32   min_latency;
+       __le32   max_pdu;
+       __u8     amp_type;
+       __le16   pal_cap;
+       __le16   max_assoc_size;
+       __le32   max_flush_to;
+       __le32   be_flush_to;
+} __packed;
+
 #define HCI_OP_LE_SET_EVENT_MASK       0x2001
 struct hci_cp_le_set_event_mask {
        __u8     mask[8];

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 5b92442..32cddb0 100644 (file)
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -150,6 +150,17 @@ struct hci_dev {
        __u16           sniff_min_interval;
        __u16           sniff_max_interval;
 
+       __u8            amp_status;
+       __u32           amp_total_bw;
+       __u32           amp_max_bw;
+       __u32           amp_min_latency;
+       __u32           amp_max_pdu;
+       __u8            amp_type;
+       __u16           amp_pal_cap;
+       __u16           amp_assoc_size;
+       __u32           amp_max_flush_to;
+       __u32           amp_be_flush_to;
+
        unsigned int    auto_accept_delay;
 
        unsigned long   quirks;

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 0e57634..41967fe 100644 (file)
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -748,6 +748,30 @@ static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb)
        hci_req_complete(hdev, HCI_OP_WRITE_CA_TIMEOUT, status);
 }
 
+static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
+               struct sk_buff *skb)
+{
+       struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
+
+       BT_DBG("%s status 0x%x", hdev->name, rp->status);
+
+       if (rp->status)
+               return;
+
+       hdev->amp_status = rp->amp_status;
+       hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
+       hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
+       hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
+       hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
+       hdev->amp_type = rp->amp_type;
+       hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
+       hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
+       hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
+       hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
+
+       hci_req_complete(hdev, HCI_OP_READ_LOCAL_AMP_INFO, rp->status);
+}
+
 static void hci_cc_delete_stored_link_key(struct hci_dev *hdev,
                                                        struct sk_buff *skb)
 {
@@ -1898,6 +1922,10 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
                hci_cc_write_ca_timeout(hdev, skb);
                break;
 
+       case HCI_OP_READ_LOCAL_AMP_INFO:
+               hci_cc_read_local_amp_info(hdev, skb);
+               break;
+
        case HCI_OP_DELETE_STORED_LINK_KEY:
                hci_cc_delete_stored_link_key(hdev, skb);
                break;