wil6210: print debug message when transmitting while disconnected

Network stack can try to transmit data while AP / STA is
disconnected.
Change this print-out to debug level as this should not be
handled as error.
This patch also adds wil_dbg_ratelimited, used to limit the
above print-out.

Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/wil6210/debug.c

@@ -49,6 +49,22 @@ void __wil_err_ratelimited(struct wil6210_priv *wil, const char *fmt, ...)
 	}
 }
 
+void wil_dbg_ratelimited(const struct wil6210_priv *wil, const char *fmt, ...)
+{
+	struct va_format vaf;
+	va_list args;
+
+	if (!net_ratelimit())
+		return;
+
+	va_start(args, fmt);
+	vaf.fmt = fmt;
+	vaf.va = &args;
+	netdev_dbg(wil_to_ndev(wil), "%pV", &vaf);
+	trace_wil6210_log_dbg(&vaf);
+	va_end(args);
+}
+
 void __wil_info(struct wil6210_priv *wil, const char *fmt, ...)
 {
 	struct net_device *ndev = wil_to_ndev(wil);

drivers/net/wireless/ath/wil6210/txrx.c

@@ -1759,7 +1759,7 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 		goto drop;
 	}
 	if (unlikely(!test_bit(wil_status_fwconnected, wil->status))) {
-		wil_err_ratelimited(wil, "FW not connected\n");
+		wil_dbg_ratelimited(wil, "FW not connected, packet dropped\n");
 		goto drop;
 	}
 	if (unlikely(wil->wdev->iftype == NL80211_IFTYPE_MONITOR)) {

drivers/net/wireless/ath/wil6210/wil6210.h

@@ -640,6 +640,8 @@ __printf(2, 3)
 void __wil_err_ratelimited(struct wil6210_priv *wil, const char *fmt, ...);
 __printf(2, 3)
 void __wil_info(struct wil6210_priv *wil, const char *fmt, ...);
+__printf(2, 3)
+void wil_dbg_ratelimited(const struct wil6210_priv *wil, const char *fmt, ...);
 #define wil_dbg(wil, fmt, arg...) do { \
 	netdev_dbg(wil_to_ndev(wil), fmt, ##arg); \
 	wil_dbg_trace(wil, fmt, ##arg); \