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Bluetooth: Add ACL MTU, available buffers and total buffers to hci_conn_info.

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This provides userspace debugging tools access to ACL flow control state.

Signed-off-by: Nick Pelly <npelly@google.com>
This commit is contained in:
Nick Pelly
2009-12-09 00:15:41 -08:00
committed by Arve Hjønnevåg
parent 46dc7c22d4
commit efae1f20bc
2 changed files with 21 additions and 0 deletions
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3
include/net/bluetooth/hci.h
View File

@@ -1628,6 +1628,9 @@ struct hci_conn_info {
__u8 out;
__u16 state;
__u32 link_mode;
__u32 mtu;
__u32 cnt;
__u32 pkts;
};
struct hci_dev_req {

18
net/bluetooth/hci_conn.c
View File

@@ -880,6 +880,15 @@ int hci_get_conn_list(void __user *arg)
(ci + n)->out = c->out;
(ci + n)->state = c->state;
(ci + n)->link_mode = c->link_mode;
if (c->type == SCO_LINK) {
(ci + n)->mtu = hdev->sco_mtu;
(ci + n)->cnt = hdev->sco_cnt;
(ci + n)->pkts = hdev->sco_pkts;
} else {
(ci + n)->mtu = hdev->acl_mtu;
(ci + n)->cnt = hdev->acl_cnt;
(ci + n)->pkts = hdev->acl_pkts;
}
if (++n >= req.conn_num)
break;
}
@@ -916,6 +925,15 @@ int hci_get_conn_info(struct hci_dev *hdev, void __user *arg)
ci.out = conn->out;
ci.state = conn->state;
ci.link_mode = conn->link_mode;
if (req.type == SCO_LINK) {
ci.mtu = hdev->sco_mtu;
ci.cnt = hdev->sco_cnt;
ci.pkts = hdev->sco_pkts;
} else {
ci.mtu = hdev->acl_mtu;
ci.cnt = hdev->acl_cnt;
ci.pkts = hdev->acl_pkts;
}
}
hci_dev_unlock(hdev);