From: Nick Pelly <npelly@google.com>
Date: Wed, 9 Dec 2009 08:15:41 +0000 (-0800)
Subject: Bluetooth: Add ACL MTU, available buffers and total buffers to hci_conn_info.
X-Git-Tag: firefly_0821_release~4090^2~834
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=efae1f20bc2d37ff96cce721e9ea5e98295d75fa;p=firefly-linux-kernel-4.4.55.git

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>
---

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index e0512aaef4b8..2d6adf331265 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -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 {
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 6c7f36379722..b4bbdd55812a 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -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);