net: sxgbe: add ethtool related functions support Samsung sxgbe

This patch adds ethtool related functions.
Signed-off-by: Vipul Pandya <vipul.pandya@samsung.com>
Neatening-by: Joe Perches <joe@perches.com>
Signed-off-by: Byungho An <bh74.an@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/samsung/sxgbe/sxgbe_common.h

@@ -197,6 +197,20 @@ enum dma_irq_status {
 #define SXGBE_FOR_EACH_QUEUE(max_queues, queue_num)			\
 	for (queue_num = 0; queue_num < max_queues; queue_num++)
 
+#define DRV_VERSION "1.0.0"
+
+#define SXGBE_MAX_RX_CHANNELS	16
+#define SXGBE_MAX_TX_CHANNELS	16
+
+#define START_MAC_REG_OFFSET	0x0000
+#define MAX_MAC_REG_OFFSET	0x0DFC
+#define START_MTL_REG_OFFSET	0x1000
+#define MAX_MTL_REG_OFFSET	0x18FC
+#define START_DMA_REG_OFFSET	0x3000
+#define MAX_DMA_REG_OFFSET	0x38FC
+
+#define REG_SPACE_SIZE		0x2000
+
 /* sxgbe statistics counters */
 struct sxgbe_extra_stats {
 	/* TX/RX IRQ events */
@@ -482,6 +496,7 @@ struct sxgbe_priv_data {
 	/* advanced time stamp support */
 	u32 adv_ts;
 	int use_riwt;
+	struct ptp_clock *ptp_clock;
 
 	/* tc control */
 	int tx_tc;
@@ -517,5 +532,4 @@ const struct sxgbe_mtl_ops *sxgbe_get_mtl_ops(void);
 
 void sxgbe_disable_eee_mode(struct sxgbe_priv_data * const priv);
 bool sxgbe_eee_init(struct sxgbe_priv_data * const priv);
-
 #endif /* __SXGBE_COMMON_H__ */

drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c

@@ -2139,6 +2139,10 @@ struct sxgbe_priv_data *sxgbe_drv_probe(struct device *device,
 		priv->rxcsum_insertion = true;
 	}
 
+	/* Initialise pause frame settings */
+	priv->rx_pause = 1;
+	priv->tx_pause = 1;
+
 	/* Rx Watchdog is available, enable depend on platform data */
 	if (!priv->plat->riwt_off) {
 		priv->use_riwt = 1;

drivers/net/ethernet/samsung/sxgbe/sxgbe_reg.h

@@ -195,6 +195,12 @@
 #define SXGBE_CORE_RSS_ADD_REG		0x0C88
 #define SXGBE_CORE_RSS_DATA_REG		0x0C8C
 
+/* RSS control register bits */
+#define SXGBE_CORE_RSS_CTL_UDP4TE	BIT(3)
+#define SXGBE_CORE_RSS_CTL_TCP4TE	BIT(2)
+#define SXGBE_CORE_RSS_CTL_IP2TE	BIT(1)
+#define SXGBE_CORE_RSS_CTL_RSSE		BIT(0)
+
 /* IEEE 1588 registers */
 #define SXGBE_CORE_TSTAMP_CTL_REG	0x0D00
 #define SXGBE_CORE_SUBSEC_INC_REG	0x0D04