diff options
Diffstat (limited to 'net/mac80211/debugfs.c')
| -rw-r--r-- | net/mac80211/debugfs.c | 55 |
1 files changed, 52 insertions, 3 deletions
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c index 717d5484e1e..e37f557de3f 100644 --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c @@ -57,12 +57,61 @@ DEBUGFS_READONLY_FILE(long_retry_limit, 20, "%d", local->hw.conf.long_frame_max_tx_count); DEBUGFS_READONLY_FILE(total_ps_buffered, 20, "%d", local->total_ps_buffered); -DEBUGFS_READONLY_FILE(wep_iv, 20, "%#06x", +DEBUGFS_READONLY_FILE(wep_iv, 20, "%#08x", local->wep_iv & 0xffffff); DEBUGFS_READONLY_FILE(rate_ctrl_alg, 100, "%s", local->rate_ctrl ? local->rate_ctrl->ops->name : "<unset>"); -DEBUGFS_READONLY_FILE(tsf, 20, "%#018llx", - (unsigned long long) (local->ops->get_tsf ? local->ops->get_tsf(local_to_hw(local)) : 0)); + +static ssize_t tsf_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_local *local = file->private_data; + u64 tsf = 0; + char buf[100]; + + if (local->ops->get_tsf) + tsf = local->ops->get_tsf(local_to_hw(local)); + + snprintf(buf, sizeof(buf), "0x%016llx\n", (unsigned long long) tsf); + + return simple_read_from_buffer(user_buf, count, ppos, buf, 19); +} + +static ssize_t tsf_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_local *local = file->private_data; + unsigned long long tsf; + char buf[100]; + size_t len; + + len = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, len)) + return -EFAULT; + buf[len] = '\0'; + + if (strncmp(buf, "reset", 5) == 0) { + if (local->ops->reset_tsf) { + local->ops->reset_tsf(local_to_hw(local)); + printk(KERN_INFO "%s: debugfs reset TSF\n", wiphy_name(local->hw.wiphy)); + } + } else { + tsf = simple_strtoul(buf, NULL, 0); + if (local->ops->set_tsf) { + local->ops->set_tsf(local_to_hw(local), tsf); + printk(KERN_INFO "%s: debugfs set TSF to %#018llx\n", wiphy_name(local->hw.wiphy), tsf); + } + } + + return count; +} + +static const struct file_operations tsf_ops = { + .read = tsf_read, + .write = tsf_write, + .open = mac80211_open_file_generic +}; /* statistics stuff */ |