diff options
Diffstat (limited to 'drivers/net/wireless/libertas/debugfs.c')
| -rw-r--r-- | drivers/net/wireless/libertas/debugfs.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/net/wireless/libertas/debugfs.c b/drivers/net/wireless/libertas/debugfs.c index 17367463c855..acaf81164624 100644 --- a/drivers/net/wireless/libertas/debugfs.c +++ b/drivers/net/wireless/libertas/debugfs.c @@ -124,6 +124,70 @@ out_unlock: return ret; } +static ssize_t lbs_host_sleep_write(struct file *file, + const char __user *user_buf, size_t count, + loff_t *ppos) +{ + struct lbs_private *priv = file->private_data; + ssize_t buf_size, ret; + int host_sleep; + unsigned long addr = get_zeroed_page(GFP_KERNEL); + char *buf = (char *)addr; + if (!buf) + return -ENOMEM; + + buf_size = min(count, len - 1); + if (copy_from_user(buf, user_buf, buf_size)) { + ret = -EFAULT; + goto out_unlock; + } + ret = sscanf(buf, "%d", &host_sleep); + if (ret != 1) { + ret = -EINVAL; + goto out_unlock; + } + + if (host_sleep == 0) + ret = lbs_set_host_sleep(priv, 0); + else if (host_sleep == 1) { + if (priv->wol_criteria == EHS_REMOVE_WAKEUP) { + lbs_pr_info("wake parameters not configured"); + ret = -EINVAL; + goto out_unlock; + } + ret = lbs_set_host_sleep(priv, 1); + } else { + lbs_pr_err("invalid option\n"); + ret = -EINVAL; + } + + if (!ret) + ret = count; + +out_unlock: + free_page(addr); + return ret; +} + +static ssize_t lbs_host_sleep_read(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + struct lbs_private *priv = file->private_data; + ssize_t ret; + size_t pos = 0; + unsigned long addr = get_zeroed_page(GFP_KERNEL); + char *buf = (char *)addr; + if (!buf) + return -ENOMEM; + + pos += snprintf(buf, len, "%d\n", priv->is_host_sleep_activated); + + ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos); + + free_page(addr); + return ret; +} + /* * When calling CMD_802_11_SUBSCRIBE_EVENT with CMD_ACT_GET, me might * get a bunch of vendor-specific TLVs (a.k.a. IEs) back from the @@ -675,6 +739,8 @@ static const struct lbs_debugfs_files debugfs_files[] = { { "info", 0444, FOPS(lbs_dev_info, write_file_dummy), }, { "sleepparams", 0644, FOPS(lbs_sleepparams_read, lbs_sleepparams_write), }, + { "hostsleep", 0644, FOPS(lbs_host_sleep_read, + lbs_host_sleep_write), }, }; static const struct lbs_debugfs_files debugfs_events_files[] = { |