The current LE white list entries require storing in the HCI controller
structure. So provide a storage and access functions for it. In addition
export the current list via debugfs.
Signed-off-by: Marcel Holtmann <marcel@xxxxxxxxxxxx>
---
include/net/bluetooth/hci_core.h | 7 ++++
net/bluetooth/hci_core.c | 90 ++++++++++++++++++++++++++++++++++++++++
2 files changed, 97 insertions(+)
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 55ee2a5ca503..0c63a7e12d90 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -284,6 +284,7 @@ struct hci_dev {
struct list_head long_term_keys;
struct list_head identity_resolving_keys;
struct list_head remote_oob_data;
+ struct list_head le_white_list;
struct list_head le_conn_params;
struct list_head pend_le_conns;
@@ -799,6 +800,12 @@ struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev,
int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
+struct bdaddr_list *hci_white_list_lookup(struct hci_dev *hdev,
+ bdaddr_t *bdaddr, u8 type);
+void hci_white_list_clear(struct hci_dev *hdev);
+int hci_white_list_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
+int hci_white_list_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
+
struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev,
bdaddr_t *addr, u8 addr_type);
int hci_conn_params_add(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type,
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index c6cbe78e685f..32c0c2c58f66 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -702,6 +702,31 @@ static const struct file_operations force_static_address_fops = {
.llseek = default_llseek,
};
+static int white_list_show(struct seq_file *f, void *ptr)
+{
+ struct hci_dev *hdev = f->private;
+ struct bdaddr_list *b;
+
+ hci_dev_lock(hdev);
+ list_for_each_entry(b, &hdev->le_white_list, list)
+ seq_printf(f, "%pMR (type %u)\n", &b->bdaddr, b->bdaddr_type);
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int white_list_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, white_list_show, inode->i_private);
+}
+
+static const struct file_operations white_list_fops = {
+ .open = white_list_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
static int identity_resolving_keys_show(struct seq_file *f, void *ptr)
{
struct hci_dev *hdev = f->private;
@@ -1786,6 +1811,8 @@ static int __hci_init(struct hci_dev *hdev)
debugfs_create_u8("white_list_size", 0444, hdev->debugfs,
&hdev->le_white_list_size);
+ debugfs_create_file("white_list", 0444, hdev->debugfs, hdev,
+ &white_list_fops);
debugfs_create_file("identity_resolving_keys", 0400,
hdev->debugfs, hdev,
&identity_resolving_keys_fops);
@@ -3293,6 +3320,67 @@ int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
return mgmt_device_unblocked(hdev, bdaddr, type);
}
+struct bdaddr_list *hci_white_list_lookup(struct hci_dev *hdev,
+ bdaddr_t *bdaddr, u8 type)
+{
+ struct bdaddr_list *b;
+
+ list_for_each_entry(b, &hdev->le_white_list, list) {
+ if (!bacmp(&b->bdaddr, bdaddr) && b->bdaddr_type == type)
+ return b;
+ }
+
+ return NULL;
+}
+
+void hci_white_list_clear(struct hci_dev *hdev)
+{
+ struct list_head *p, *n;
+
+ list_for_each_safe(p, n, &hdev->le_white_list) {
+ struct bdaddr_list *b = list_entry(p, struct bdaddr_list, list);
+
+ list_del(p);
+ kfree(b);
+ }
+}
+
+int hci_white_list_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
+{
+ struct bdaddr_list *entry;
+
+ if (!bacmp(bdaddr, BDADDR_ANY))
+ return -EBADF;
+
+ entry = kzalloc(sizeof(struct bdaddr_list), GFP_KERNEL);
+ if (!entry)
+ return -ENOMEM;
+
+ bacpy(&entry->bdaddr, bdaddr);
+ entry->bdaddr_type = type;
+
+ list_add(&entry->list, &hdev->le_white_list);
+
+ return 0;
+}
+
+int hci_white_list_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
+{
+ struct bdaddr_list *entry;
+
+ if (!bacmp(bdaddr, BDADDR_ANY))
+ return -EBADF;
+
+ entry = hci_white_list_lookup(hdev, bdaddr, type);
+ if (!entry)
+ return -ENOENT;
+
+ list_del(&entry->list);
+ kfree(entry);
+
+ return 0;
+}
+
/* This function requires the caller holds hdev->lock */
struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev,
bdaddr_t *addr, u8 addr_type)
@@ -3691,6 +3779,7 @@ struct hci_dev *hci_alloc_dev(void)
INIT_LIST_HEAD(&hdev->long_term_keys);
INIT_LIST_HEAD(&hdev->identity_resolving_keys);
INIT_LIST_HEAD(&hdev->remote_oob_data);
+ INIT_LIST_HEAD(&hdev->le_white_list);
INIT_LIST_HEAD(&hdev->le_conn_params);
INIT_LIST_HEAD(&hdev->pend_le_conns);
INIT_LIST_HEAD(&hdev->conn_hash.list);
@@ -3893,6 +3982,7 @@ void hci_unregister_dev(struct hci_dev *hdev)
hci_smp_ltks_clear(hdev);
hci_smp_irks_clear(hdev);
hci_remote_oob_data_clear(hdev);
+ hci_white_list_clear(hdev);
hci_conn_params_clear(hdev);
hci_pend_le_conns_clear(hdev);
hci_dev_unlock(hdev);
--
1.8.5.3
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