diff options
Diffstat (limited to 'package/kernel/mac80211/patches/subsys/335-mac80211-add-debugfs-file-to-display-per-phy-AQL-pen.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/subsys/335-mac80211-add-debugfs-file-to-display-per-phy-AQL-pen.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/subsys/335-mac80211-add-debugfs-file-to-display-per-phy-AQL-pen.patch b/package/kernel/mac80211/patches/subsys/335-mac80211-add-debugfs-file-to-display-per-phy-AQL-pen.patch new file mode 100644 index 0000000000..df45a520fa --- /dev/null +++ b/package/kernel/mac80211/patches/subsys/335-mac80211-add-debugfs-file-to-display-per-phy-AQL-pen.patch @@ -0,0 +1,58 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Sat, 25 Jun 2022 21:25:40 +0200 +Subject: [PATCH] mac80211: add debugfs file to display per-phy AQL pending + airtime + +Now that the global pending airtime is more relevant for airtime fairness, +it makes sense to make it accessible via debugfs for debugging + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/net/mac80211/debugfs.c ++++ b/net/mac80211/debugfs.c +@@ -201,6 +201,36 @@ static const struct file_operations airt + .llseek = default_llseek, + }; + ++static ssize_t aql_pending_read(struct file *file, ++ char __user *user_buf, ++ size_t count, loff_t *ppos) ++{ ++ struct ieee80211_local *local = file->private_data; ++ char buf[400]; ++ int len = 0; ++ ++ len = scnprintf(buf, sizeof(buf), ++ "AC AQL pending\n" ++ "VO %u us\n" ++ "VI %u us\n" ++ "BE %u us\n" ++ "BK %u us\n" ++ "total %u us\n", ++ atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_VO]), ++ atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_VI]), ++ atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_BE]), ++ atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_BK]), ++ atomic_read(&local->aql_total_pending_airtime)); ++ return simple_read_from_buffer(user_buf, count, ppos, ++ buf, len); ++} ++ ++static const struct file_operations aql_pending_ops = { ++ .read = aql_pending_read, ++ .open = simple_open, ++ .llseek = default_llseek, ++}; ++ + static ssize_t aql_txq_limit_read(struct file *file, + char __user *user_buf, + size_t count, +@@ -628,6 +658,7 @@ void debugfs_hw_add(struct ieee80211_loc + DEBUGFS_ADD(hw_conf); + DEBUGFS_ADD_MODE(force_tx_status, 0600); + DEBUGFS_ADD_MODE(aql_enable, 0600); ++ DEBUGFS_ADD(aql_pending); + + if (local->ops->wake_tx_queue) + DEBUGFS_ADD_MODE(aqm, 0600); |