net: sxgbe: add ethtool related functions support Samsung sxgbe

index f06d439..ef7dc80 100644
@@ -42,8 +42,12 @@ struct sxgbe_mtl_ops;
 #define SXGBE_RX_QUEUES   16
 
 /* Max/Min RI Watchdog Timer count value */
-#define SXGBE_MAX_DMA_RIWT	0xff
-#define SXGBE_MIN_DMA_RIWT	0x20
+/* Calculated based how much time does it take to fill 256KB Rx memory
+ * at 10Gb speed at 156MHz clock rate and considered little less then
+ * the actual value.
+ */
+#define SXGBE_MAX_DMA_RIWT	0x70
+#define SXGBE_MIN_DMA_RIWT	0x01
 
 /* Tx coalesce parameters */
 #define SXGBE_COAL_TX_TIMER	40000

@@ -194,6 +198,20 @@ 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 */

@@ -479,6 +497,7 @@ struct sxgbe_priv_data {
 	/* advanced time stamp support */
 	u32 adv_ts;
 	int use_riwt;
+	struct ptp_clock *ptp_clock;
 
 	/* tc control */
 	int tx_tc;

@@ -515,4 +534,6 @@ 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);
 
+int sxgbe_set_flow_ctrl(struct sxgbe_priv_data *priv, int rx, int tx);
+
 #endif /* __SXGBE_COMMON_H__ */

547 lines not on this page · raw message

index b845322..d50c377 100644
@@ -2129,9 +2129,6 @@ struct sxgbe_priv_data *sxgbe_dvr_probe(struct device *device,
 
 	priv->msg_enable = netif_msg_init(debug, default_msg_level);
 
-	if (flow_ctrl)
-		priv->flow_ctrl = SXGBE_FLOW_AUTO;	/* RX/TX pause on */
-
 	/* Enable TCP segmentation offload for all DMA channels */
 	if (priv->hw_cap.tcpseg_offload) {
 		SXGBE_FOR_EACH_QUEUE(SXGBE_TX_QUEUES, queue_num) {

@@ -2145,6 +2142,11 @@ struct sxgbe_priv_data *sxgbe_dvr_probe(struct device *device,
 		priv->rxcsum_insertion = true;
 	}
 
+	/* Initialise pause frame settings */
+	priv->rx_pause = 1;
+	priv->tx_pause = 1;
+	sxgbe_set_flow_ctrl(priv, priv->rx_pause, priv->tx_pause);
+
 	/* Rx Watchdog is available, enable depend on platform data */
 	if (!priv->plat->riwt_off) {
 		priv->use_riwt = 1;

index 85a7b31..5a89acb 100644
@@ -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