debugfs.c (8e8c668927b029f6ccc350eb1aa936864cc4eb6f) debugfs.c (cfce94653dad2d0661e1926c028ce63052eb20cd)
1/* This program is free software; you can redistribute it and/or modify
2 * it under the terms of the GNU General Public License version 2
3 * as published by the Free Software Foundation.
4 *
5 * This program is distributed in the hope that it will be useful,
6 * but WITHOUT ANY WARRANTY; without even the implied warranty of
7 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8 * GNU General Public License for more details.

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240
241static const struct file_operations lowpan_context_fops = {
242 .open = lowpan_context_open,
243 .read = seq_read,
244 .llseek = seq_lseek,
245 .release = single_release,
246};
247
1/* This program is free software; you can redistribute it and/or modify
2 * it under the terms of the GNU General Public License version 2
3 * as published by the Free Software Foundation.
4 *
5 * This program is distributed in the hope that it will be useful,
6 * but WITHOUT ANY WARRANTY; without even the implied warranty of
7 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8 * GNU General Public License for more details.

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240
241static const struct file_operations lowpan_context_fops = {
242 .open = lowpan_context_open,
243 .read = seq_read,
244 .llseek = seq_lseek,
245 .release = single_release,
246};
247
248static int lowpan_short_addr_get(void *data, u64 *val)
249{
250 struct wpan_dev *wdev = data;
251
252 rtnl_lock();
253 *val = le16_to_cpu(wdev->short_addr);
254 rtnl_unlock();
255
256 return 0;
257}
258
259DEFINE_SIMPLE_ATTRIBUTE(lowpan_short_addr_fops, lowpan_short_addr_get,
260 NULL, "0x%04llx\n");
261
262static int lowpan_dev_debugfs_802154_init(const struct net_device *dev,
263 struct lowpan_dev *ldev)
264{
265 struct dentry *dentry, *root;
266
267 if (!lowpan_is_ll(dev, LOWPAN_LLTYPE_IEEE802154))
268 return 0;
269
270 root = debugfs_create_dir("ieee802154", ldev->iface_debugfs);
271 if (!root)
272 return -EINVAL;
273
274 dentry = debugfs_create_file("short_addr", 0444, root,
275 lowpan_802154_dev(dev)->wdev->ieee802154_ptr,
276 &lowpan_short_addr_fops);
277 if (!dentry)
278 return -EINVAL;
279
280 return 0;
281}
282
248int lowpan_dev_debugfs_init(struct net_device *dev)
249{
250 struct lowpan_dev *ldev = lowpan_dev(dev);
251 struct dentry *contexts, *dentry;
252 int ret, i;
253
254 /* creating the root */
255 ldev->iface_debugfs = debugfs_create_dir(dev->name, lowpan_debugfs);

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267 goto remove_root;
268
269 for (i = 0; i < LOWPAN_IPHC_CTX_TABLE_SIZE; i++) {
270 ret = lowpan_dev_debugfs_ctx_init(dev, contexts, i);
271 if (ret < 0)
272 goto remove_root;
273 }
274
283int lowpan_dev_debugfs_init(struct net_device *dev)
284{
285 struct lowpan_dev *ldev = lowpan_dev(dev);
286 struct dentry *contexts, *dentry;
287 int ret, i;
288
289 /* creating the root */
290 ldev->iface_debugfs = debugfs_create_dir(dev->name, lowpan_debugfs);

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302 goto remove_root;
303
304 for (i = 0; i < LOWPAN_IPHC_CTX_TABLE_SIZE; i++) {
305 ret = lowpan_dev_debugfs_ctx_init(dev, contexts, i);
306 if (ret < 0)
307 goto remove_root;
308 }
309
310 ret = lowpan_dev_debugfs_802154_init(dev, ldev);
311 if (ret < 0)
312 goto remove_root;
313
275 return 0;
276
277remove_root:
278 lowpan_dev_debugfs_exit(dev);
279fail:
280 return -EINVAL;
281}
282

--- 18 unchanged lines hidden --- 		314 return 0;
315
316remove_root:
317 lowpan_dev_debugfs_exit(dev);
318fail:
319 return -EINVAL;
320}
321

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