mac80211: add debugfs file for HW queues
Add a debugfs file showing which HW queues were
allocated to a virtual interface, including the
CAB queue for AP interfaces.
Change-Id: I486924e961b6ad6785a79db09620919ee644e703
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 9b6afb3..ba9bd0e 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -173,6 +173,26 @@
IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
+static ssize_t
+ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata,
+ char *buf, int buflen)
+{
+ int len;
+
+ len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n",
+ sdata->vif.hw_queue[IEEE80211_AC_VO],
+ sdata->vif.hw_queue[IEEE80211_AC_VI],
+ sdata->vif.hw_queue[IEEE80211_AC_BE],
+ sdata->vif.hw_queue[IEEE80211_AC_BK]);
+
+ if (sdata->vif.type == NL80211_IFTYPE_AP)
+ len += scnprintf(buf + len, buflen - len, "cab queue: %d\n",
+ sdata->vif.cab_queue);
+
+ return len;
+}
+__IEEE80211_IF_FILE(hw_queues, NULL);
+
/* STA attributes */
IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
@@ -511,6 +531,7 @@
DEBUGFS_ADD(rc_rateidx_mask_5ghz);
DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
+ DEBUGFS_ADD(hw_queues);
}
static void add_sta_files(struct ieee80211_sub_if_data *sdata)