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Commit 804feeb8 authored by Johannes Berg's avatar Johannes Berg Committed by John W. Linville
Browse files

mac80211: remove aggregation status write support from debugfs 



This code uses static variables and thus cannot be kept.

Signed-off-by: default avatarJohannes Berg <johannes@sipsolutions.net>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 3685f25d

net/mac80211/debugfs_sta.c

+1 −72
Original line number Diff line number Diff line
@@ -39,13 +39,6 @@ static const struct file_operations sta_ ##name## _ops = { \ 
	.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(struct file *file, char __user *userbuf, 


	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, \