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Diffstat (limited to 'net/mac80211/debugfs.c')
-rw-r--r--net/mac80211/debugfs.c71
1 files changed, 8 insertions, 63 deletions
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 186e02f7cc3..883996b2f99 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -78,57 +78,6 @@ DEBUGFS_READONLY_FILE(wep_iv, "%#08x",
DEBUGFS_READONLY_FILE(rate_ctrl_alg, "%s",
local->rate_ctrl ? local->rate_ctrl->ops->name : "hw/driver");
-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;
-
- tsf = drv_get_tsf(local);
-
- return mac80211_format_buffer(user_buf, count, ppos, "0x%016llx\n",
- (unsigned long long) tsf);
-}
-
-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) {
- drv_reset_tsf(local);
- wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
- }
- } else {
- tsf = simple_strtoul(buf, NULL, 0);
- if (local->ops->set_tsf) {
- drv_set_tsf(local, tsf);
- wiphy_info(local->hw.wiphy,
- "debugfs set TSF to %#018llx\n", tsf);
-
- }
- }
-
- return count;
-}
-
-static const struct file_operations tsf_ops = {
- .read = tsf_read,
- .write = tsf_write,
- .open = mac80211_open_file_generic,
- .llseek = default_llseek,
-};
-
static ssize_t reset_write(struct file *file, const char __user *user_buf,
size_t count, loff_t *ppos)
{
@@ -195,20 +144,12 @@ static ssize_t uapsd_queues_write(struct file *file,
size_t count, loff_t *ppos)
{
struct ieee80211_local *local = file->private_data;
- unsigned long val;
- char buf[10];
- size_t len;
+ u8 val;
int ret;
- len = min(count, sizeof(buf) - 1);
- if (copy_from_user(buf, user_buf, len))
- return -EFAULT;
- buf[len] = '\0';
-
- ret = strict_strtoul(buf, 0, &val);
-
+ ret = kstrtou8_from_user(user_buf, count, 0, &val);
if (ret)
- return -EINVAL;
+ return ret;
if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
return -ERANGE;
@@ -305,6 +246,9 @@ static ssize_t hwflags_read(struct file *file, char __user *user_buf,
char *buf = kzalloc(mxln, GFP_KERNEL);
int sf = 0; /* how many written so far */
+ if (!buf)
+ return 0;
+
sf += snprintf(buf, mxln - sf, "0x%x\n", local->hw.flags);
if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
sf += snprintf(buf + sf, mxln - sf, "HAS_RATE_CONTROL\n");
@@ -355,6 +299,8 @@ static ssize_t hwflags_read(struct file *file, char __user *user_buf,
sf += snprintf(buf + sf, mxln - sf, "SUPPORTS_PER_STA_GTK\n");
if (local->hw.flags & IEEE80211_HW_AP_LINK_PS)
sf += snprintf(buf + sf, mxln - sf, "AP_LINK_PS\n");
+ if (local->hw.flags & IEEE80211_HW_TX_AMPDU_SETUP_IN_HW)
+ sf += snprintf(buf + sf, mxln - sf, "TX_AMPDU_SETUP_IN_HW\n");
rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
kfree(buf);
@@ -450,7 +396,6 @@ void debugfs_hw_add(struct ieee80211_local *local)
DEBUGFS_ADD(frequency);
DEBUGFS_ADD(total_ps_buffered);
DEBUGFS_ADD(wep_iv);
- DEBUGFS_ADD(tsf);
DEBUGFS_ADD(queues);
DEBUGFS_ADD_MODE(reset, 0200);
DEBUGFS_ADD(noack);