diff options
Diffstat (limited to 'net/mac80211/debugfs_sta.c')
-rw-r--r-- | net/mac80211/debugfs_sta.c | 88 |
1 files changed, 72 insertions, 16 deletions
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index 3f41608c8081..d92800bb2d2f 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -44,7 +44,7 @@ static const struct file_operations sta_ ##name## _ops = { \ STA_OPS(name) STA_FILE(aid, sta.aid, D); -STA_FILE(dev, sdata->dev->name, S); +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); @@ -120,36 +120,38 @@ 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[30 + STA_TID_NUM * 70], *p = buf; + char buf[64 + STA_TID_NUM * 40], *p = buf; int i; struct sta_info *sta = file->private_data; spin_lock_bh(&sta->lock); - p += scnprintf(p, sizeof(buf)+buf-p, "next dialog_token is %#02x\n", + 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, "TID %02d:", i); - p += scnprintf(p, sizeof(buf)+buf-p, " RX=%x", + 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, "/DTKN=%#.2x", + 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, "/SSN=%#.3x", + 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, " TX=%x", + p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", sta->ampdu_mlme.tid_state_tx[i]); - p += scnprintf(p, sizeof(buf)+buf-p, "/DTKN=%#.2x", + 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, "/SSN=%#.3x", + 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, "/pending=%03d", + 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"); + p += scnprintf(p, sizeof(buf) + buf - p, "\n"); } spin_unlock_bh(&sta->lock); @@ -160,7 +162,12 @@ STA_OPS(agg_status); static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { - char buf[200], *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; struct ieee80211_sta_ht_cap *htc = &sta->sta.ht_cap; @@ -168,15 +175,64 @@ static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf, 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, "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, "\nMCS rx highest: %d\n", - le16_to_cpu(htc->mcs.rx_highest)); + 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); } |