Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
[safe/jmp/linux-2.6] / net / mac80211 / debugfs_sta.c
index 79a0627..3f41608 100644 (file)
@@ -39,18 +39,11 @@ 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)
 
-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);
@@ -64,7 +57,6 @@ STA_FILE(tx_filtered, tx_filtered_count, 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);
 
@@ -74,14 +66,16 @@ static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
        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);
@@ -126,135 +120,97 @@ STA_OPS(last_seq_ctrl);
 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;
@@ -264,16 +220,26 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta)
        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;
 }