diff options
Diffstat (limited to 'net/mac80211/debugfs_sta.c')
-rw-r--r-- | net/mac80211/debugfs_sta.c | 43 |
1 files changed, 33 insertions, 10 deletions
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index c8ad20c28c43..0185e6e5e5d1 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -197,10 +197,12 @@ static ssize_t sta_airtime_read(struct file *file, char __user *userbuf, { struct sta_info *sta = file->private_data; struct ieee80211_local *local = sta->sdata->local; - size_t bufsz = 200; + size_t bufsz = 400; char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf; u64 rx_airtime = 0, tx_airtime = 0; s64 deficit[IEEE80211_NUM_ACS]; + u32 q_depth[IEEE80211_NUM_ACS]; + u32 q_limit_l[IEEE80211_NUM_ACS], q_limit_h[IEEE80211_NUM_ACS]; ssize_t rv; int ac; @@ -212,19 +214,22 @@ static ssize_t sta_airtime_read(struct file *file, char __user *userbuf, rx_airtime += sta->airtime[ac].rx_airtime; tx_airtime += sta->airtime[ac].tx_airtime; deficit[ac] = sta->airtime[ac].deficit; + q_limit_l[ac] = sta->airtime[ac].aql_limit_low; + q_limit_h[ac] = sta->airtime[ac].aql_limit_high; spin_unlock_bh(&local->active_txq_lock[ac]); + q_depth[ac] = atomic_read(&sta->airtime[ac].aql_tx_pending); } p += scnprintf(p, bufsz + buf - p, "RX: %llu us\nTX: %llu us\nWeight: %u\n" - "Deficit: VO: %lld us VI: %lld us BE: %lld us BK: %lld us\n", - rx_airtime, - tx_airtime, - sta->airtime_weight, - deficit[0], - deficit[1], - deficit[2], - deficit[3]); + "Deficit: VO: %lld us VI: %lld us BE: %lld us BK: %lld us\n" + "Q depth: VO: %u us VI: %u us BE: %u us BK: %u us\n" + "Q limit[low/high]: VO: %u/%u VI: %u/%u BE: %u/%u BK: %u/%u\n", + rx_airtime, tx_airtime, sta->airtime_weight, + deficit[0], deficit[1], deficit[2], deficit[3], + q_depth[0], q_depth[1], q_depth[2], q_depth[3], + q_limit_l[0], q_limit_h[0], q_limit_l[1], q_limit_h[1], + q_limit_l[2], q_limit_h[2], q_limit_l[3], q_limit_h[3]), rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); kfree(buf); @@ -236,7 +241,25 @@ static ssize_t sta_airtime_write(struct file *file, const char __user *userbuf, { struct sta_info *sta = file->private_data; struct ieee80211_local *local = sta->sdata->local; - int ac; + u32 ac, q_limit_l, q_limit_h; + char _buf[100] = {}, *buf = _buf; + + if (count > sizeof(_buf)) + return -EINVAL; + + if (copy_from_user(buf, userbuf, count)) + return -EFAULT; + + buf[sizeof(_buf) - 1] = '\0'; + if (sscanf(buf, "queue limit %u %u %u", &ac, &q_limit_l, &q_limit_h) + != 3) + return -EINVAL; + + if (ac >= IEEE80211_NUM_ACS) + return -EINVAL; + + sta->airtime[ac].aql_limit_low = q_limit_l; + sta->airtime[ac].aql_limit_high = q_limit_h; for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { spin_lock_bh(&local->active_txq_lock[ac]); |