Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6
[safe/jmp/linux-2.6] / net / mac80211 / debugfs_sta.c
index f7c717c..d92800b 100644 (file)
@@ -33,22 +33,6 @@ static ssize_t sta_ ##name## _read(struct file *file,                        \
 #define STA_READ_LU(name, field) STA_READ(name, 20, field, "%lu\n")
 #define STA_READ_S(name, field) STA_READ(name, 20, field, "%s\n")
 
-#define STA_READ_RATE(name, field)                                     \
-static ssize_t sta_##name##_read(struct file *file,                    \
-                                char __user *userbuf,                  \
-                                size_t count, loff_t *ppos)            \
-{                                                                      \
-       struct sta_info *sta = file->private_data;                      \
-       struct ieee80211_local *local = wdev_priv(sta->dev->ieee80211_ptr);\
-       struct ieee80211_hw_mode *mode = local->oper_hw_mode;           \
-       char buf[20];                                                   \
-       int res = scnprintf(buf, sizeof(buf), "%d\n",                   \
-                           (sta->field >= 0 &&                         \
-                           sta->field < mode->num_rates) ?             \
-                           mode->rates[sta->field].rate : -1);         \
-       return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
-}
-
 #define STA_OPS(name)                                                  \
 static const struct file_operations sta_ ##name## _ops = {             \
        .read = sta_##name##_read,                                      \
@@ -59,9 +43,8 @@ static const struct file_operations sta_ ##name## _ops = {            \
                STA_READ_##format(name, field)                          \
                STA_OPS(name)
 
-STA_FILE(aid, aid, D);
-STA_FILE(dev, dev->name, S);
-STA_FILE(vlan_id, vlan_id, D);
+STA_FILE(aid, sta.aid, D);
+STA_FILE(dev, sdata->name, S);
 STA_FILE(rx_packets, rx_packets, LU);
 STA_FILE(tx_packets, tx_packets, LU);
 STA_FILE(rx_bytes, rx_bytes, LU);
@@ -71,31 +54,28 @@ STA_FILE(rx_fragments, rx_fragments, LU);
 STA_FILE(rx_dropped, rx_dropped, LU);
 STA_FILE(tx_fragments, tx_fragments, LU);
 STA_FILE(tx_filtered, tx_filtered_count, LU);
-STA_FILE(txrate, txrate, RATE);
-STA_FILE(last_txrate, last_txrate, RATE);
 STA_FILE(tx_retry_failed, tx_retry_failed, LU);
 STA_FILE(tx_retry_count, tx_retry_count, LU);
-STA_FILE(last_rssi, last_rssi, D);
 STA_FILE(last_signal, last_signal, D);
 STA_FILE(last_noise, last_noise, D);
-STA_FILE(channel_use, channel_use, D);
-STA_FILE(wep_weak_iv_count, wep_weak_iv_count, D);
+STA_FILE(wep_weak_iv_count, wep_weak_iv_count, LU);
 
 static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
                              size_t count, loff_t *ppos)
 {
        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%s%s",
-               sta->flags & WLAN_STA_AUTH ? "AUTH\n" : "",
-               sta->flags & WLAN_STA_ASSOC ? "ASSOC\n" : "",
-               sta->flags & WLAN_STA_PS ? "PS\n" : "",
-               sta->flags & WLAN_STA_TIM ? "TIM\n" : "",
-               sta->flags & WLAN_STA_PERM ? "PERM\n" : "",
-               sta->flags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "",
-               sta->flags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "",
-               sta->flags & WLAN_STA_WME ? "WME\n" : "",
-               sta->flags & WLAN_STA_WDS ? "WDS\n" : "");
+               staflags & WLAN_STA_AUTH ? "AUTH\n" : "",
+               staflags & WLAN_STA_ASSOC ? "ASSOC\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_MFP ? "MFP\n" : "");
        return simple_read_from_buffer(userbuf, count, ppos, buf, res);
 }
 STA_OPS(flags);
@@ -112,31 +92,6 @@ static ssize_t sta_num_ps_buf_frames_read(struct file *file,
 }
 STA_OPS(num_ps_buf_frames);
 
-static ssize_t sta_last_ack_rssi_read(struct file *file, char __user *userbuf,
-                                     size_t count, loff_t *ppos)
-{
-       char buf[100];
-       struct sta_info *sta = file->private_data;
-       int res = scnprintf(buf, sizeof(buf), "%d %d %d\n",
-                           sta->last_ack_rssi[0],
-                           sta->last_ack_rssi[1],
-                           sta->last_ack_rssi[2]);
-       return simple_read_from_buffer(userbuf, count, ppos, buf, res);
-}
-STA_OPS(last_ack_rssi);
-
-static ssize_t sta_last_ack_ms_read(struct file *file, char __user *userbuf,
-                                   size_t count, loff_t *ppos)
-{
-       char buf[20];
-       struct sta_info *sta = file->private_data;
-       int res = scnprintf(buf, sizeof(buf), "%d\n",
-                           sta->last_ack ?
-                           jiffies_to_msecs(jiffies - sta->last_ack) : -1);
-       return simple_read_from_buffer(userbuf, count, ppos, buf, res);
-}
-STA_OPS(last_ack_ms);
-
 static ssize_t sta_inactive_ms_read(struct file *file, char __user *userbuf,
                                    size_t count, loff_t *ppos)
 {
@@ -162,84 +117,185 @@ static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf,
 }
 STA_OPS(last_seq_ctrl);
 
-#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
-static ssize_t sta_wme_rx_queue_read(struct file *file, char __user *userbuf,
-                                    size_t count, loff_t *ppos)
+static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
+                                       size_t count, loff_t *ppos)
 {
-       char buf[15*NUM_RX_DATA_QUEUES], *p = buf;
+       char buf[64 + STA_TID_NUM * 40], *p = buf;
        int i;
        struct sta_info *sta = file->private_data;
-       for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
-               p += scnprintf(p, sizeof(buf)+buf-p, "%u ",
-                              sta->wme_rx_queue[i]);
-       p += scnprintf(p, sizeof(buf)+buf-p, "\n");
+
+       spin_lock_bh(&sta->lock);
+       p += scnprintf(p, sizeof(buf) + buf - p, "next dialog_token: %#02x\n",
+                       sta->ampdu_mlme.dialog_token_allocator + 1);
+       p += scnprintf(p, sizeof(buf) + buf - p,
+                      "TID\t\tRX\tDTKN\tSSN\t\tTX\tDTKN\tSSN\tpending\n");
+       for (i = 0; i < STA_TID_NUM; i++) {
+               p += scnprintf(p, sizeof(buf) + buf - p, "%02d", i);
+               p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x",
+                               sta->ampdu_mlme.tid_state_rx[i]);
+               p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x",
+                               sta->ampdu_mlme.tid_state_rx[i] ?
+                               sta->ampdu_mlme.tid_rx[i]->dialog_token : 0);
+               p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.3x",
+                               sta->ampdu_mlme.tid_state_rx[i] ?
+                               sta->ampdu_mlme.tid_rx[i]->ssn : 0);
+
+               p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x",
+                               sta->ampdu_mlme.tid_state_tx[i]);
+               p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x",
+                               sta->ampdu_mlme.tid_state_tx[i] ?
+                               sta->ampdu_mlme.tid_tx[i]->dialog_token : 0);
+               p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.3x",
+                               sta->ampdu_mlme.tid_state_tx[i] ?
+                               sta->ampdu_mlme.tid_tx[i]->ssn : 0);
+               p += scnprintf(p, sizeof(buf) + buf - p, "\t%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(wme_rx_queue);
+STA_OPS(agg_status);
 
-static ssize_t sta_wme_tx_queue_read(struct file *file, char __user *userbuf,
-                                    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[15*NUM_TX_DATA_QUEUES], *p = buf;
+#define PRINT_HT_CAP(_cond, _str) \
+       do { \
+       if (_cond) \
+                       p += scnprintf(p, sizeof(buf)+buf-p, "\t" _str "\n"); \
+       } while (0)
+       char buf[512], *p = buf;
        int i;
        struct sta_info *sta = file->private_data;
-       for (i = 0; i < NUM_TX_DATA_QUEUES; i++)
-               p += scnprintf(p, sizeof(buf)+buf-p, "%u ",
-                              sta->wme_tx_queue[i]);
-       p += scnprintf(p, sizeof(buf)+buf-p, "\n");
+       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: %#.4x\n", htc->cap);
+
+               PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDCP");
+               PRINT_HT_CAP((htc->cap & BIT(1)), "HT20/HT40");
+               PRINT_HT_CAP(!(htc->cap & BIT(1)), "HT20");
+
+               PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 0, "Static SM Power Save");
+               PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 1, "Dynamic SM Power Save");
+               PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 3, "SM Power Save disabled");
+
+               PRINT_HT_CAP((htc->cap & BIT(4)), "RX Greenfield");
+               PRINT_HT_CAP((htc->cap & BIT(5)), "RX HT20 SGI");
+               PRINT_HT_CAP((htc->cap & BIT(6)), "RX HT40 SGI");
+               PRINT_HT_CAP((htc->cap & BIT(7)), "TX STBC");
+
+               PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 0, "No RX STBC");
+               PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 1, "RX STBC 1-stream");
+               PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 2, "RX STBC 2-streams");
+               PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 3, "RX STBC 3-streams");
+
+               PRINT_HT_CAP((htc->cap & BIT(10)), "HT Delayed Block Ack");
+
+               PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: "
+                            "3839 bytes");
+               PRINT_HT_CAP(!(htc->cap & BIT(11)), "Max AMSDU length: "
+                            "7935 bytes");
+
+               /*
+                * For beacons and probe response this would mean the BSS
+                * does or does not allow the usage of DSSS/CCK HT40.
+                * Otherwise it means the STA does or does not use
+                * DSSS/CCK HT40.
+                */
+               PRINT_HT_CAP((htc->cap & BIT(12)), "DSSS/CCK HT40");
+               PRINT_HT_CAP(!(htc->cap & BIT(12)), "No DSSS/CCK HT40");
+
+               /* BIT(13) is reserved */
+
+               PRINT_HT_CAP((htc->cap & BIT(14)), "40 MHz Intolerant");
+
+               PRINT_HT_CAP((htc->cap & BIT(15)), "L-SIG TXOP protection");
+
+               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, "\n");
+
+               /* If not set this is meaningless */
+               if (le16_to_cpu(htc->mcs.rx_highest)) {
+                       p += scnprintf(p, sizeof(buf)+buf-p,
+                                      "MCS rx highest: %d Mbps\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 simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
 }
-STA_OPS(wme_tx_queue);
-#endif
+STA_OPS(ht_capa);
 
 #define DEBUGFS_ADD(name) \
-       sta->debugfs.name = debugfs_create_file(#name, 0444, \
+       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(mac);
+       u8 mac[3*ETH_ALEN];
+
+       sta->debugfs.add_has_run = true;
 
        if (!stations_dir)
                return;
 
-       print_mac(mac, 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(flags);
        DEBUGFS_ADD(num_ps_buf_frames);
-       DEBUGFS_ADD(last_ack_rssi);
-       DEBUGFS_ADD(last_ack_ms);
        DEBUGFS_ADD(inactive_ms);
        DEBUGFS_ADD(last_seq_ctrl);
-#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
-       DEBUGFS_ADD(wme_rx_queue);
-       DEBUGFS_ADD(wme_tx_queue);
-#endif
+       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(last_ack_rssi);
-       DEBUGFS_DEL(last_ack_ms);
-       DEBUGFS_DEL(inactive_ms);
-       DEBUGFS_DEL(last_seq_ctrl);
-#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
-       DEBUGFS_DEL(wme_rx_queue);
-       DEBUGFS_DEL(wme_tx_queue);
-#endif
-
-       debugfs_remove(sta->debugfs.dir);
+       debugfs_remove_recursive(sta->debugfs.dir);
        sta->debugfs.dir = NULL;
 }