diff options
Diffstat (limited to 'drivers/net/wimax/i2400m/sysfs.c')
-rw-r--r-- | drivers/net/wimax/i2400m/sysfs.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/drivers/net/wimax/i2400m/sysfs.c b/drivers/net/wimax/i2400m/sysfs.c new file mode 100644 index 000000000000..1237109f251a --- /dev/null +++ b/drivers/net/wimax/i2400m/sysfs.c | |||
@@ -0,0 +1,80 @@ | |||
1 | /* | ||
2 | * Intel Wireless WiMAX Connection 2400m | ||
3 | * Sysfs interfaces to show driver and device information | ||
4 | * | ||
5 | * | ||
6 | * Copyright (C) 2007 Intel Corporation <linux-wimax@intel.com> | ||
7 | * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or | ||
10 | * modify it under the terms of the GNU General Public License version | ||
11 | * 2 as published by the Free Software Foundation. | ||
12 | * | ||
13 | * This program is distributed in the hope that it will be useful, | ||
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 | * GNU General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU General Public License | ||
19 | * along with this program; if not, write to the Free Software | ||
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | ||
21 | * 02110-1301, USA. | ||
22 | */ | ||
23 | |||
24 | #include <linux/netdevice.h> | ||
25 | #include <linux/etherdevice.h> | ||
26 | #include <linux/spinlock.h> | ||
27 | #include <linux/device.h> | ||
28 | #include "i2400m.h" | ||
29 | |||
30 | |||
31 | #define D_SUBMODULE sysfs | ||
32 | #include "debug-levels.h" | ||
33 | |||
34 | |||
35 | /* | ||
36 | * Set the idle timeout (msecs) | ||
37 | * | ||
38 | * FIXME: eventually this should be a common WiMAX stack method, but | ||
39 | * would like to wait to see how other devices manage it. | ||
40 | */ | ||
41 | static | ||
42 | ssize_t i2400m_idle_timeout_store(struct device *dev, | ||
43 | struct device_attribute *attr, | ||
44 | const char *buf, size_t size) | ||
45 | { | ||
46 | ssize_t result; | ||
47 | struct i2400m *i2400m = net_dev_to_i2400m(to_net_dev(dev)); | ||
48 | unsigned val; | ||
49 | |||
50 | result = -EINVAL; | ||
51 | if (sscanf(buf, "%u\n", &val) != 1) | ||
52 | goto error_no_unsigned; | ||
53 | if (val != 0 && (val < 100 || val > 300000 || val % 100 != 0)) { | ||
54 | dev_err(dev, "idle_timeout: %u: invalid msecs specification; " | ||
55 | "valid values are 0, 100-300000 in 100 increments\n", | ||
56 | val); | ||
57 | goto error_bad_value; | ||
58 | } | ||
59 | result = i2400m_set_idle_timeout(i2400m, val); | ||
60 | if (result >= 0) | ||
61 | result = size; | ||
62 | error_no_unsigned: | ||
63 | error_bad_value: | ||
64 | return result; | ||
65 | } | ||
66 | |||
67 | static | ||
68 | DEVICE_ATTR(i2400m_idle_timeout, S_IWUSR, | ||
69 | NULL, i2400m_idle_timeout_store); | ||
70 | |||
71 | static | ||
72 | struct attribute *i2400m_dev_attrs[] = { | ||
73 | &dev_attr_i2400m_idle_timeout.attr, | ||
74 | NULL, | ||
75 | }; | ||
76 | |||
77 | struct attribute_group i2400m_dev_attr_group = { | ||
78 | .name = NULL, /* we want them in the same directory */ | ||
79 | .attrs = i2400m_dev_attrs, | ||
80 | }; | ||