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Bluetooth: Add debugfs support for showing the blacklist
This patch adds a debugfs blacklist entry for each HCI device which can be used to list the current content of the blacklist. Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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1 changed files with 38 additions and 0 deletions
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@ -436,6 +436,41 @@ static const struct file_operations inquiry_cache_fops = {
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.release = single_release,
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};
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static int blacklist_show(struct seq_file *f, void *p)
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{
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struct hci_dev *hdev = f->private;
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struct bdaddr_list *blacklist = &hdev->blacklist;
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struct list_head *l;
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hci_dev_lock_bh(hdev);
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list_for_each(l, &blacklist->list) {
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struct bdaddr_list *b;
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bdaddr_t bdaddr;
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b = list_entry(l, struct bdaddr_list, list);
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baswap(&bdaddr, &b->bdaddr);
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seq_printf(f, "%s\n", batostr(&bdaddr));
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}
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hci_dev_unlock_bh(hdev);
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return 0;
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}
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static int blacklist_open(struct inode *inode, struct file *file)
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{
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return single_open(file, blacklist_show, inode->i_private);
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}
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static const struct file_operations blacklist_fops = {
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.open = blacklist_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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int hci_register_sysfs(struct hci_dev *hdev)
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{
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struct device *dev = &hdev->dev;
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@ -465,6 +500,9 @@ int hci_register_sysfs(struct hci_dev *hdev)
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debugfs_create_file("inquiry_cache", 0444, hdev->debugfs,
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hdev, &inquiry_cache_fops);
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debugfs_create_file("blacklist", 0444, hdev->debugfs,
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hdev, &blacklist_fops);
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return 0;
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}
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