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Commit 23b9ceb7 authored by Marcel Holtmann's avatar Marcel Holtmann Committed by Johan Hedberg
Browse files

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: default avatarMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: default avatarJohan Hedberg <johan.hedberg@intel.com>
parent a8e1bfaa

include/net/bluetooth/hci_core.h

+1 −0
Original line number Diff line number Diff line
@@ -440,6 +440,7 @@ struct hci_conn { 
	struct delayed_work le_conn_timeout;



	struct device	dev;

	struct dentry	*debugfs;



	struct hci_dev	*hdev;

	void		*l2cap_data;

net/bluetooth/hci_conn.c

+3 −0
Original line number Diff line number Diff line
@@ -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);

net/bluetooth/hci_debugfs.c

+12 −0
Original line number Diff line number Diff line
@@ -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);

}

net/bluetooth/hci_debugfs.h

+1 −0
Original line number Diff line number Diff line
@@ -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);

net/bluetooth/hci_event.c

+5 −0
Original line number Diff line number Diff line
@@ -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);