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authorMarcel Holtmann <marcel@holtmann.org>2014-12-20 17:13:41 +0100
committerJohan Hedberg <johan.hedberg@intel.com>2014-12-20 19:54:24 +0200
commit23b9ceb74f8e46bddd61a1e2afd9317221be74b7 (patch)
treea67aff498795bec4d8c9875954c4215871cb3b9b /net/bluetooth
parenta8e1bfaa55cf8ac4e419a09bdda5bb45bcd8f985 (diff)
Bluetooth: Create debugfs directory for each connection handle
For every internal representation of a Bluetooth connection which is identified by hci_conn, create a debugfs directory with the handle number as directory name. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Diffstat (limited to 'net/bluetooth')
-rw-r--r--net/bluetooth/hci_conn.c3
-rw-r--r--net/bluetooth/hci_debugfs.c12
-rw-r--r--net/bluetooth/hci_debugfs.h1
-rw-r--r--net/bluetooth/hci_event.c5
4 files changed, 21 insertions, 0 deletions
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 4405fb352c70..75240aaca101 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -25,6 +25,7 @@
/* Bluetooth HCI connection handling. */
#include <linux/export.h>
+#include <linux/debugfs.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
@@ -547,6 +548,8 @@ int hci_conn_del(struct hci_conn *conn)
hci_conn_del_sysfs(conn);
+ debugfs_remove_recursive(conn->debugfs);
+
if (test_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags))
hci_conn_params_del(conn->hdev, &conn->dst, conn->dst_type);
diff --git a/net/bluetooth/hci_debugfs.c b/net/bluetooth/hci_debugfs.c
index a7a0db03b0b8..ee33ce88d3d8 100644
--- a/net/bluetooth/hci_debugfs.c
+++ b/net/bluetooth/hci_debugfs.c
@@ -1062,3 +1062,15 @@ void hci_debugfs_create_le(struct hci_dev *hdev)
debugfs_create_u16("discov_interleaved_timeout", 0644, hdev->debugfs,
&hdev->discov_interleaved_timeout);
}
+
+void hci_debugfs_create_conn(struct hci_conn *conn)
+{
+ struct hci_dev *hdev = conn->hdev;
+ char name[6];
+
+ if (IS_ERR_OR_NULL(hdev->debugfs))
+ return;
+
+ snprintf(name, sizeof(name), "%u", conn->handle);
+ conn->debugfs = debugfs_create_dir(name, hdev->debugfs);
+}
diff --git a/net/bluetooth/hci_debugfs.h b/net/bluetooth/hci_debugfs.h
index f191100b50c5..fb68efe083c5 100644
--- a/net/bluetooth/hci_debugfs.h
+++ b/net/bluetooth/hci_debugfs.h
@@ -23,3 +23,4 @@
void hci_debugfs_create_common(struct hci_dev *hdev);
void hci_debugfs_create_bredr(struct hci_dev *hdev);
void hci_debugfs_create_le(struct hci_dev *hdev);
+void hci_debugfs_create_conn(struct hci_conn *conn);
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index a3055e90a5bb..eed44c643c0c 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -31,6 +31,7 @@
#include <net/bluetooth/mgmt.h>
#include "hci_request.h"
+#include "hci_debugfs.h"
#include "a2mp.h"
#include "amp.h"
#include "smp.h"
@@ -2162,6 +2163,7 @@ static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
} else
conn->state = BT_CONNECTED;
+ hci_debugfs_create_conn(conn);
hci_conn_add_sysfs(conn);
if (test_bit(HCI_AUTH, &hdev->flags))
@@ -3638,6 +3640,7 @@ static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
conn->handle = __le16_to_cpu(ev->handle);
conn->state = BT_CONNECTED;
+ hci_debugfs_create_conn(conn);
hci_conn_add_sysfs(conn);
break;
@@ -4178,6 +4181,7 @@ static void hci_phy_link_complete_evt(struct hci_dev *hdev,
hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
hci_conn_drop(hcon);
+ hci_debugfs_create_conn(hcon);
hci_conn_add_sysfs(hcon);
amp_physical_cfm(bredr_hcon, hcon);
@@ -4384,6 +4388,7 @@ static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
conn->le_conn_latency = le16_to_cpu(ev->latency);
conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
+ hci_debugfs_create_conn(conn);
hci_conn_add_sysfs(conn);
hci_proto_connect_cfm(conn, ev->status);