mac80211: Export fq memory limit information in debugfs

Add memory limit, usage and overlimit counter to per-PHY 'aqm' debugfs
file.

Signed-off-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 8ca62b6..f56e2f4 100644 (file)
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -89,13 +89,19 @@ static ssize_t aqm_read(struct file *file,
                        "R fq_flows_cnt %u\n"
                        "R fq_backlog %u\n"
                        "R fq_overlimit %u\n"
+                       "R fq_overmemory %u\n"
                        "R fq_collisions %u\n"
+                       "R fq_memory_usage %u\n"
+                       "RW fq_memory_limit %u\n"
                        "RW fq_limit %u\n"
                        "RW fq_quantum %u\n",
                        fq->flows_cnt,
                        fq->backlog,
+                       fq->overmemory,
                        fq->overlimit,
                        fq->collisions,
+                       fq->memory_usage,
+                       fq->memory_limit,
                        fq->limit,
                        fq->quantum);
 
@@ -128,6 +134,8 @@ static ssize_t aqm_write(struct file *file,
 
        if (sscanf(buf, "fq_limit %u", &local->fq.limit) == 1)
                return count;
+       else if (sscanf(buf, "fq_memory_limit %u", &local->fq.memory_limit) == 1)
+               return count;
        else if (sscanf(buf, "fq_quantum %u", &local->fq.quantum) == 1)
                return count;