.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)
-STA_FILE(aid, aid, D);
+STA_FILE(aid, sta.aid, D);
STA_FILE(dev, sdata->dev->name, S);
STA_FILE(rx_packets, rx_packets, LU);
STA_FILE(tx_packets, tx_packets, LU);
STA_FILE(tx_retry_failed, tx_retry_failed, LU);
STA_FILE(tx_retry_count, tx_retry_count, LU);
STA_FILE(last_signal, last_signal, D);
-STA_FILE(last_qual, last_qual, D);
STA_FILE(last_noise, last_noise, D);
STA_FILE(wep_weak_iv_count, wep_weak_iv_count, LU);
char buf[100];
struct sta_info *sta = file->private_data;
u32 staflags = get_sta_flags(sta);
- int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s",
+ int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s%s",
staflags & WLAN_STA_AUTH ? "AUTH\n" : "",
staflags & WLAN_STA_ASSOC ? "ASSOC\n" : "",
- staflags & WLAN_STA_PS ? "PS\n" : "",
+ staflags & WLAN_STA_PS_STA ? "PS (sta)\n" : "",
+ staflags & WLAN_STA_PS_DRIVER ? "PS (driver)\n" : "",
staflags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "",
staflags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "",
staflags & WLAN_STA_WME ? "WME\n" : "",
- staflags & WLAN_STA_WDS ? "WDS\n" : "");
+ staflags & WLAN_STA_WDS ? "WDS\n" : "",
+ staflags & WLAN_STA_MFP ? "MFP\n" : "");
return simple_read_from_buffer(userbuf, count, ppos, buf, res);
}
STA_OPS(flags);
static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
- char buf[768], *p = buf;
+ char buf[30 + STA_TID_NUM * 70], *p = buf;
int i;
struct sta_info *sta = file->private_data;
- p += scnprintf(p, sizeof(buf)+buf-p, "Agg state for STA is:\n");
- p += scnprintf(p, sizeof(buf)+buf-p, " STA next dialog_token is %d \n "
- "TIDs info is: \n TID :",
- (sta->ampdu_mlme.dialog_token_allocator + 1));
- for (i = 0; i < STA_TID_NUM; i++)
- p += scnprintf(p, sizeof(buf)+buf-p, "%5d", i);
-
- p += scnprintf(p, sizeof(buf)+buf-p, "\n RX :");
- for (i = 0; i < STA_TID_NUM; i++)
- p += scnprintf(p, sizeof(buf)+buf-p, "%5d",
- sta->ampdu_mlme.tid_state_rx[i]);
- p += scnprintf(p, sizeof(buf)+buf-p, "\n DTKN:");
- for (i = 0; i < STA_TID_NUM; i++)
- p += scnprintf(p, sizeof(buf)+buf-p, "%5d",
- sta->ampdu_mlme.tid_state_rx[i]?
- sta->ampdu_mlme.tid_rx[i]->dialog_token : 0);
-
- p += scnprintf(p, sizeof(buf)+buf-p, "\n TX :");
- for (i = 0; i < STA_TID_NUM; i++)
- p += scnprintf(p, sizeof(buf)+buf-p, "%5d",
- sta->ampdu_mlme.tid_state_tx[i]);
-
- p += scnprintf(p, sizeof(buf)+buf-p, "\n DTKN:");
- for (i = 0; i < STA_TID_NUM; i++)
- p += scnprintf(p, sizeof(buf)+buf-p, "%5d",
- sta->ampdu_mlme.tid_state_tx[i]?
- sta->ampdu_mlme.tid_tx[i]->dialog_token : 0);
-
- p += scnprintf(p, sizeof(buf)+buf-p, "\n SSN :");
- for (i = 0; i < STA_TID_NUM; i++)
- p += scnprintf(p, sizeof(buf)+buf-p, "%5d",
- sta->ampdu_mlme.tid_state_tx[i]?
- sta->ampdu_mlme.tid_tx[i]->ssn : 0);
-
- p += scnprintf(p, sizeof(buf)+buf-p, "\n");
+ spin_lock_bh(&sta->lock);
+ p += scnprintf(p, sizeof(buf)+buf-p, "next dialog_token is %#02x\n",
+ sta->ampdu_mlme.dialog_token_allocator + 1);
+ for (i = 0; i < STA_TID_NUM; i++) {
+ p += scnprintf(p, sizeof(buf)+buf-p, "TID %02d:", i);
+ p += scnprintf(p, sizeof(buf)+buf-p, " RX=%x",
+ sta->ampdu_mlme.tid_state_rx[i]);
+ p += scnprintf(p, sizeof(buf)+buf-p, "/DTKN=%#.2x",
+ sta->ampdu_mlme.tid_state_rx[i] ?
+ sta->ampdu_mlme.tid_rx[i]->dialog_token : 0);
+ p += scnprintf(p, sizeof(buf)+buf-p, "/SSN=%#.3x",
+ sta->ampdu_mlme.tid_state_rx[i] ?
+ sta->ampdu_mlme.tid_rx[i]->ssn : 0);
+
+ p += scnprintf(p, sizeof(buf)+buf-p, " TX=%x",
+ sta->ampdu_mlme.tid_state_tx[i]);
+ p += scnprintf(p, sizeof(buf)+buf-p, "/DTKN=%#.2x",
+ sta->ampdu_mlme.tid_state_tx[i] ?
+ sta->ampdu_mlme.tid_tx[i]->dialog_token : 0);
+ p += scnprintf(p, sizeof(buf)+buf-p, "/SSN=%#.3x",
+ sta->ampdu_mlme.tid_state_tx[i] ?
+ sta->ampdu_mlme.tid_tx[i]->ssn : 0);
+ p += scnprintf(p, sizeof(buf)+buf-p, "/pending=%03d",
+ sta->ampdu_mlme.tid_state_tx[i] ?
+ skb_queue_len(&sta->ampdu_mlme.tid_tx[i]->pending) : 0);
+ p += scnprintf(p, sizeof(buf)+buf-p, "\n");
+ }
+ spin_unlock_bh(&sta->lock);
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 *user_buf, size_t count, loff_t *ppos)
+static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
{
+ char buf[200], *p = buf;
+ int i;
struct sta_info *sta = file->private_data;
- struct net_device *dev = sta->sdata->dev;
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct ieee80211_hw *hw = &local->hw;
- u8 *da = 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(dev, 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);
+ struct ieee80211_sta_ht_cap *htc = &sta->sta.ht_cap;
+
+ p += scnprintf(p, sizeof(buf) + buf - p, "ht %ssupported\n",
+ htc->ht_supported ? "" : "not ");
+ if (htc->ht_supported) {
+ p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.2x\n", htc->cap);
+ p += scnprintf(p, sizeof(buf)+buf-p, "ampdu factor/density: %d/%d\n",
+ htc->ampdu_factor, htc->ampdu_density);
+ p += scnprintf(p, sizeof(buf)+buf-p, "MCS mask:");
+ for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
+ p += scnprintf(p, sizeof(buf)+buf-p, " %.2x",
+ htc->mcs.rx_mask[i]);
+ p += scnprintf(p, sizeof(buf)+buf-p, "\nMCS rx highest: %d\n",
+ le16_to_cpu(htc->mcs.rx_highest));
+ p += scnprintf(p, sizeof(buf)+buf-p, "MCS tx params: %x\n",
+ htc->mcs.tx_params);
}
- return count;
+ return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
}
-STA_OPS_WR(agg_status);
+STA_OPS(ht_capa);
#define DEBUGFS_ADD(name) \
- sta->debugfs.name = debugfs_create_file(#name, 0400, \
+ debugfs_create_file(#name, 0400, \
sta->debugfs.dir, sta, &sta_ ##name## _ops);
-#define DEBUGFS_DEL(name) \
- debugfs_remove(sta->debugfs.name);\
- sta->debugfs.name = NULL;
-
void ieee80211_sta_debugfs_add(struct sta_info *sta)
{
struct dentry *stations_dir = sta->local->debugfs.stations;
- DECLARE_MAC_BUF(mbuf);
- u8 *mac;
+ u8 mac[3*ETH_ALEN];
+
+ sta->debugfs.add_has_run = true;
if (!stations_dir)
return;
- mac = print_mac(mbuf, sta->addr);
-
+ snprintf(mac, sizeof(mac), "%pM", sta->sta.addr);
+
+ /*
+ * This might fail due to a race condition:
+ * When mac80211 unlinks a station, the debugfs entries
+ * remain, but it is already possible to link a new
+ * station with the same address which triggers adding
+ * it to debugfs; therefore, if the old station isn't
+ * destroyed quickly enough the old station's debugfs
+ * dir might still be around.
+ */
sta->debugfs.dir = debugfs_create_dir(mac, stations_dir);
if (!sta->debugfs.dir)
return;
DEBUGFS_ADD(inactive_ms);
DEBUGFS_ADD(last_seq_ctrl);
DEBUGFS_ADD(agg_status);
+ DEBUGFS_ADD(dev);
+ DEBUGFS_ADD(rx_packets);
+ DEBUGFS_ADD(tx_packets);
+ DEBUGFS_ADD(rx_bytes);
+ DEBUGFS_ADD(tx_bytes);
+ DEBUGFS_ADD(rx_duplicates);
+ DEBUGFS_ADD(rx_fragments);
+ DEBUGFS_ADD(rx_dropped);
+ DEBUGFS_ADD(tx_fragments);
+ DEBUGFS_ADD(tx_filtered);
+ DEBUGFS_ADD(tx_retry_failed);
+ DEBUGFS_ADD(tx_retry_count);
+ DEBUGFS_ADD(last_signal);
+ DEBUGFS_ADD(last_noise);
+ DEBUGFS_ADD(wep_weak_iv_count);
+ DEBUGFS_ADD(ht_capa);
}
void ieee80211_sta_debugfs_remove(struct sta_info *sta)
{
- DEBUGFS_DEL(flags);
- DEBUGFS_DEL(num_ps_buf_frames);
- DEBUGFS_DEL(inactive_ms);
- DEBUGFS_DEL(last_seq_ctrl);
- DEBUGFS_DEL(agg_status);
-
- debugfs_remove(sta->debugfs.dir);
+ debugfs_remove_recursive(sta->debugfs.dir);
sta->debugfs.dir = NULL;
}