[v2] mac80211: Add txq flags to debugfs

Commit Message

Ben Greear Jan. 27, 2018, 1:14 a.m. UTC

From: Ben Greear <[e-mail]>

Might help one figure out why aqm drivers may fail to transmit
frames sometimes.

Signed-off-by: Ben Greear <[e-mail]>
---

v2:  Fix checking wrong flag for NO-AMSDU

 net/mac80211/debugfs_sta.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

Patch

diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index b15412c..bf101bd 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -160,12 +160,12 @@  static ssize_t sta_aqm_read(struct file *file, char __user *userbuf,
 		       sta->cparams.ecn ? "yes" : "no");
 	p += scnprintf(p,
 		       bufsz+buf-p,
-		       "tid ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets\n");
+		       "tid ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets flags\n");
 
 	for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
 		txqi = to_txq_info(sta->sta.txq[i]);
 		p += scnprintf(p, bufsz+buf-p,
-			       "%d %d %u %u %u %u %u %u %u %u %u\n",
+			       "%d %d %u %u %u %u %u %u %u %u %u 0x%lx(%s%s%s)\n",
 			       txqi->txq.tid,
 			       txqi->txq.ac,
 			       txqi->tin.backlog_bytes,
@@ -176,7 +176,11 @@  static ssize_t sta_aqm_read(struct file *file, char __user *userbuf,
 			       txqi->tin.overlimit,
 			       txqi->tin.collisions,
 			       txqi->tin.tx_bytes,
-			       txqi->tin.tx_packets);
+			       txqi->tin.tx_packets,
+			       txqi->flags,
+			       txqi->flags & (1<<IEEE80211_TXQ_STOP) ? "STOP" : "RUN",
+			       txqi->flags & (1<<IEEE80211_TXQ_AMPDU) ? " AMPDU" : "",
+			       txqi->flags & (1<<IEEE80211_TXQ_NO_AMSDU) ? " NO-AMSDU" : "");
 	}
 
 	rcu_read_unlock();