This adds a few debugfs entries to make it easier
to test, debug and experiment.
Signed-off-by: Michal Kazior <michal.kaz...@tieto.com>
---
Notes:
v4:
* stats adjustments (in-kernel codel has more of them)
net/mac80211/debugfs.c | 40 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 43592b6f79f0..c7cfedc61fc4 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -124,6 +124,15 @@ static const struct file_operations name## _ops = {
\
res; \
})
+#define DEBUGFS_RW_BOOL(arg) \
+({ \
+ int res; \
+ int val; \
+ res = mac80211_parse_buffer(userbuf, count, ppos, "%d", &val); \
+ arg = !!(val); \
+ res; \
+})
+
DEBUGFS_READONLY_FILE(fq_flows_cnt, "%u",
local->fq.flows_cnt);
DEBUGFS_READONLY_FILE(fq_backlog, "%u",
@@ -132,6 +141,16 @@ DEBUGFS_READONLY_FILE(fq_overlimit, "%u",
local->fq.overlimit);
DEBUGFS_READONLY_FILE(fq_collisions, "%u",
local->fq.collisions);
+DEBUGFS_READONLY_FILE(codel_maxpacket, "%u",
+ local->cstats.maxpacket);
+DEBUGFS_READONLY_FILE(codel_drop_count, "%u",
+ local->cstats.drop_count);
+DEBUGFS_READONLY_FILE(codel_drop_len, "%u",
+ local->cstats.drop_len);
+DEBUGFS_READONLY_FILE(codel_ecn_mark, "%u",
+ local->cstats.ecn_mark);
+DEBUGFS_READONLY_FILE(codel_ce_mark, "%u",
+ local->cstats.ce_mark);
DEBUGFS_RW_FILE(fq_limit,
DEBUGFS_RW_EXPR_FQ("%u", &local->fq.limit),
@@ -139,6 +158,18 @@ DEBUGFS_RW_FILE(fq_limit,
DEBUGFS_RW_FILE(fq_quantum,
DEBUGFS_RW_EXPR_FQ("%u", &local->fq.quantum),
"%u", local->fq.quantum);
+DEBUGFS_RW_FILE(codel_interval,
+ DEBUGFS_RW_EXPR_FQ("%u", &local->cparams.interval),
+ "%u", local->cparams.interval);
+DEBUGFS_RW_FILE(codel_target,
+ DEBUGFS_RW_EXPR_FQ("%u", &local->cparams.target),
+ "%u", local->cparams.target);
+DEBUGFS_RW_FILE(codel_mtu,
+ DEBUGFS_RW_EXPR_FQ("%u", &local->cparams.mtu),
+ "%u", local->cparams.mtu);
+DEBUGFS_RW_FILE(codel_ecn,
+ DEBUGFS_RW_BOOL(local->cparams.ecn),
+ "%d", local->cparams.ecn ? 1 : 0);
#ifdef CONFIG_PM
static ssize_t reset_write(struct file *file, const char __user *user_buf,
@@ -333,6 +364,15 @@ void debugfs_hw_add(struct ieee80211_local *local)
DEBUGFS_ADD(fq_collisions);
DEBUGFS_ADD(fq_limit);
DEBUGFS_ADD(fq_quantum);
+ DEBUGFS_ADD(codel_maxpacket);
+ DEBUGFS_ADD(codel_drop_count);
+ DEBUGFS_ADD(codel_drop_len);
+ DEBUGFS_ADD(codel_ecn_mark);
+ DEBUGFS_ADD(codel_ce_mark);
+ DEBUGFS_ADD(codel_interval);
+ DEBUGFS_ADD(codel_target);
+ DEBUGFS_ADD(codel_mtu);
+ DEBUGFS_ADD(codel_ecn);
statsd = debugfs_create_dir("statistics", phyd);
--
2.1.4
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