This is useful for debugging.
Signed-off-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
---
Not sure we want it in the tree?
drivers/net/wireless/mac80211_hwsim.c | 3 +
net/mac80211/debugfs_sta.c | 65 +++++++++++++++++++++++++++++++++-
2 files changed, 66 insertions(+), 2 deletions(-)
--- wireless-testing.orig/drivers/net/wireless/mac80211_hwsim.c 2010-04-19 10:53:52.000000000 +0200
+++ wireless-testing/drivers/net/wireless/mac80211_hwsim.c 2010-04-19 10:54:37.000000000 +0200
@@ -1287,7 +1287,8 @@ static int __init init_mac80211_hwsim(vo
hw->flags = IEEE80211_HW_MFP_CAPABLE |
IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_SUPPORTS_STATIC_SMPS |
- IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS;
+ IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
+ IEEE80211_HW_AMPDU_AGGREGATION;
/* ask mac80211 to reserve space for magic */
hw->vif_data_size = sizeof(struct hwsim_vif_priv);
--- wireless-testing.orig/net/mac80211/debugfs_sta.c 2010-04-19 10:53:52.000000000 +0200
+++ wireless-testing/net/mac80211/debugfs_sta.c 2010-04-19 10:54:37.000000000 +0200
@@ -39,6 +39,13 @@ static const struct file_operations sta_
.open = mac80211_open_file_generic, \
}
+#define STA_OPS_RW(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)
@@ -156,7 +163,63 @@ static ssize_t sta_agg_status_read(struc
return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
}
-STA_OPS(agg_status);
+
+static ssize_t sta_agg_status_write(struct file *file, const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ char _buf[12], *buf = _buf;
+ struct sta_info *sta = file->private_data;
+ bool start, tx;
+ unsigned long tid;
+ int ret;
+
+ if (count > sizeof(_buf))
+ return -EINVAL;
+
+ if (copy_from_user(buf, userbuf, count))
+ return -EFAULT;
+
+ buf[sizeof(_buf) - 1] = '\0';
+
+ if (strncmp(buf, "tx ", 3) == 0) {
+ buf += 3;
+ tx = true;
+ } else if (strncmp(buf, "rx ", 3) == 0) {
+ buf += 3;
+ tx = false;
+ } else
+ return -EINVAL;
+
+ if (strncmp(buf, "start ", 6) == 0) {
+ buf += 6;
+ start = true;
+ if (!tx)
+ return -EINVAL;
+ } else if (strncmp(buf, "stop ", 5) == 0) {
+ buf += 5;
+ start = false;
+ } else
+ return -EINVAL;
+
+ tid = simple_strtoul(buf, NULL, 0);
+
+ if (tid >= STA_TID_NUM)
+ return -EINVAL;
+
+ if (tx) {
+ if (start)
+ ret = ieee80211_start_tx_ba_session(&sta->sta, tid);
+ else
+ ret = ieee80211_stop_tx_ba_session(&sta->sta, tid,
+ WLAN_BACK_RECIPIENT);
+ } else {
+ __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT, 3);
+ ret = 0;
+ }
+
+ return ret ?: count;
+}
+STA_OPS_RW(agg_status);
static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
--
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