summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorNick Pelly <npelly@google.com>2011-12-02 14:02:00 +0800
committerAndy Green <andy.green@linaro.org>2011-12-02 14:02:00 +0800
commitf3bc3e6e94ccae531ae2039cc9a90407fc445723 (patch)
tree9f4648c0e88f6e1f6666115f6ec745732ae93d1f
parent405a13580fc0a861278b6c3c4684e5b44aa32370 (diff)
Bluetooth: Add ACL MTU, available buffers and total buffers to hci_conn_info.
This provides userspace debugging tools access to ACL flow control state. Signed-off-by: Nick Pelly <npelly@google.com>
-rw-r--r--include/net/bluetooth/hci.h3
-rw-r--r--net/bluetooth/hci_conn.c18
2 files changed, 21 insertions, 0 deletions
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index aaf79af7243..3b177bfbac6 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -1271,6 +1271,9 @@ struct hci_conn_info {
__u8 out;
__u16 state;
__u32 link_mode;
+ __u32 mtu;
+ __u32 cnt;
+ __u32 pkts;
};
struct hci_dev_req {
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index e0af7237cd9..69519cfd354 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -892,6 +892,15 @@ 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;
}
@@ -928,6 +937,15 @@ 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_bh(hdev);