wil6210: TX vring optimization

Tx vring needs to be enlarged to get better
performance for traffic over 2Gbps.

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

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

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012-2015 Qualcomm Atheros, Inc.
+ * Copyright (c) 2012-2016 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -68,13 +68,13 @@ static void wil_print_vring(struct seq_file *s, struct wil6210_priv *wil,
 		seq_puts(s, "???\n");
 	}
 
-	if (vring->va && (vring->size < 1025)) {
+	if (vring->va && (vring->size <= (1 << WIL_RING_SIZE_ORDER_MAX))) {
 		uint i;
 
 		for (i = 0; i < vring->size; i++) {
 			volatile struct vring_tx_desc *d = &vring->va[i].tx;
 
-			if ((i % 64) == 0 && (i != 0))
+			if ((i % 128) == 0 && (i != 0))
 				seq_puts(s, "\n");
 			seq_printf(s, "%c", (d->dma.status & BIT(0)) ?
 					_s : (vring->ctx[i].skb ? _h : 'h'));

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

@@ -51,7 +51,7 @@ static inline u32 WIL_GET_BITS(u32 x, int b0, int b1)
 
 #define WIL_TX_Q_LEN_DEFAULT		(4000)
 #define WIL_RX_RING_SIZE_ORDER_DEFAULT	(10)
-#define WIL_TX_RING_SIZE_ORDER_DEFAULT	(10)
+#define WIL_TX_RING_SIZE_ORDER_DEFAULT	(12)
 #define WIL_BCAST_RING_SIZE_ORDER_DEFAULT	(7)
 #define WIL_BCAST_MCS0_LIMIT		(1024) /* limit for MCS0 frame size */
 /* limit ring size in range [32..32k] */