openwrtv4/package/mac80211/patches/408-mac80211-remove-agg-debugfs.patch

98 lines
3 KiB
Diff

Subject: mac80211: remove aggregation status write support from debugfs
This code uses static variables and thus cannot be kept.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
---
net/mac80211/debugfs_sta.c | 73 ---------------------------------------------
1 file changed, 1 insertion(+), 72 deletions(-)
--- everything.orig/net/mac80211/debugfs_sta.c 2008-10-07 20:06:39.000000000 +0200
+++ everything/net/mac80211/debugfs_sta.c 2008-10-07 20:06:40.000000000 +0200
@@ -39,13 +39,6 @@ static const struct file_operations sta_
.open = mac80211_open_file_generic, \
}
-#define STA_OPS_WR(name) \
-static const struct file_operations sta_ ##name## _ops = { \
- .read = sta_##name##_read, \
- .write = sta_##name##_write, \
- .open = mac80211_open_file_generic, \
-}
-
#define STA_FILE(name, field, format) \
STA_READ_##format(name, field) \
STA_OPS(name)
@@ -168,71 +161,7 @@ static ssize_t sta_agg_status_read(struc
return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
}
-
-static ssize_t sta_agg_status_write(struct file *file,
- const char __user *user_buf, size_t count, loff_t *ppos)
-{
- struct sta_info *sta = file->private_data;
- struct ieee80211_local *local = sta->sdata->local;
- struct ieee80211_hw *hw = &local->hw;
- u8 *da = sta->sta.addr;
- static int tid_static_tx[16] = {0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0};
- static int tid_static_rx[16] = {1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1};
- char *endp;
- char buf[32];
- int buf_size, rs;
- unsigned int tid_num;
- char state[4];
-
- memset(buf, 0x00, sizeof(buf));
- buf_size = min(count, (sizeof(buf)-1));
- if (copy_from_user(buf, user_buf, buf_size))
- return -EFAULT;
-
- tid_num = simple_strtoul(buf, &endp, 0);
- if (endp == buf)
- return -EINVAL;
-
- if ((tid_num >= 100) && (tid_num <= 115)) {
- /* toggle Rx aggregation command */
- tid_num = tid_num - 100;
- if (tid_static_rx[tid_num] == 1) {
- strcpy(state, "off ");
- ieee80211_sta_stop_rx_ba_session(sta->sdata, da, tid_num, 0,
- WLAN_REASON_QSTA_REQUIRE_SETUP);
- sta->ampdu_mlme.tid_state_rx[tid_num] |=
- HT_AGG_STATE_DEBUGFS_CTL;
- tid_static_rx[tid_num] = 0;
- } else {
- strcpy(state, "on ");
- sta->ampdu_mlme.tid_state_rx[tid_num] &=
- ~HT_AGG_STATE_DEBUGFS_CTL;
- tid_static_rx[tid_num] = 1;
- }
- printk(KERN_DEBUG "debugfs - try switching tid %u %s\n",
- tid_num, state);
- } else if ((tid_num >= 0) && (tid_num <= 15)) {
- /* toggle Tx aggregation command */
- if (tid_static_tx[tid_num] == 0) {
- strcpy(state, "on ");
- rs = ieee80211_start_tx_ba_session(hw, da, tid_num);
- if (rs == 0)
- tid_static_tx[tid_num] = 1;
- } else {
- strcpy(state, "off");
- rs = ieee80211_stop_tx_ba_session(hw, da, tid_num, 1);
- if (rs == 0)
- tid_static_tx[tid_num] = 0;
- }
- printk(KERN_DEBUG "debugfs - switching tid %u %s, return=%d\n",
- tid_num, state, rs);
- }
-
- return count;
-}
-STA_OPS_WR(agg_status);
+STA_OPS(agg_status);
#define DEBUGFS_ADD(name) \
sta->debugfs.name = debugfs_create_file(#name, 0400, \