From: Vipul Pandya <vipul.pan...@samsung.com>

This patch adds ethtool related functions.

Signed-off-by: Vipul Pandya <vipul.pan...@samsung.com>
Neatening-by: Joe Perches <j...@perches.com>
Signed-off-by: Byungho An <bh74...@samsung.com>
---
 drivers/net/ethernet/samsung/sxgbe/sxgbe_common.h  |   25 +-
 drivers/net/ethernet/samsung/sxgbe/sxgbe_ethtool.c |  509 +++++++++++++++++++-
 drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c    |    8 +-
 drivers/net/ethernet/samsung/sxgbe/sxgbe_reg.h     |    6 +
 4 files changed, 536 insertions(+), 12 deletions(-)

diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_common.h 
b/drivers/net/ethernet/samsung/sxgbe/sxgbe_common.h
index 0f4d088..7786d6b 100644
--- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_common.h
+++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_common.h
@@ -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
@@ -203,6 +207,20 @@ 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 */
@@ -487,6 +505,7 @@ struct sxgbe_priv_data {
        /* advanced time stamp support */
        u32 adv_ts;
        int use_riwt;
+       struct ptp_clock *ptp_clock;
 
        /* tc control */
        int tx_tc;
@@ -528,4 +547,6 @@ 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__ */
diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_ethtool.c 
b/drivers/net/ethernet/samsung/sxgbe/sxgbe_ethtool.c
index 89b1450..6a16f05 100644
--- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_ethtool.c
+++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_ethtool.c
@@ -12,12 +12,17 @@
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
+#include <linux/clk.h>
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
+#include <linux/net_tstamp.h>
 #include <linux/phy.h>
+#include <linux/ptp_clock_kernel.h>
 
 #include "sxgbe_common.h"
+#include "sxgbe_reg.h"
+#include "sxgbe_dma.h"
 
 struct sxgbe_stats {
        char stat_string[ETH_GSTRING_LEN];
@@ -33,17 +38,106 @@ struct sxgbe_stats {
 }
 
 static const struct sxgbe_stats sxgbe_gstrings_stats[] = {
+       /* TX/RX IRQ events */
+       SXGBE_STAT(tx_process_stopped_irq),
+       SXGBE_STAT(tx_ctxt_desc_err),
+       SXGBE_STAT(tx_threshold),
+       SXGBE_STAT(rx_threshold),
+       SXGBE_STAT(tx_pkt_n),
+       SXGBE_STAT(rx_pkt_n),
+       SXGBE_STAT(normal_irq_n),
+       SXGBE_STAT(tx_normal_irq_n),
+       SXGBE_STAT(rx_normal_irq_n),
+       SXGBE_STAT(napi_poll),
+       SXGBE_STAT(tx_clean),
+       SXGBE_STAT(tx_reset_ic_bit),
+       SXGBE_STAT(rx_process_stopped_irq),
+       SXGBE_STAT(rx_underflow_irq),
+
+       /* Bus access errors */
+       SXGBE_STAT(fatal_bus_error_irq),
+       SXGBE_STAT(tx_read_transfer_err),
+       SXGBE_STAT(tx_write_transfer_err),
+       SXGBE_STAT(tx_desc_access_err),
+       SXGBE_STAT(tx_buffer_access_err),
+       SXGBE_STAT(tx_data_transfer_err),
+       SXGBE_STAT(rx_read_transfer_err),
+       SXGBE_STAT(rx_write_transfer_err),
+       SXGBE_STAT(rx_desc_access_err),
+       SXGBE_STAT(rx_buffer_access_err),
+       SXGBE_STAT(rx_data_transfer_err),
+       SXGBE_STAT(pmt_irq_event_n),
+
+       /* EEE-LPI stats */
        SXGBE_STAT(tx_lpi_entry_n),
        SXGBE_STAT(tx_lpi_exit_n),
        SXGBE_STAT(rx_lpi_entry_n),
        SXGBE_STAT(rx_lpi_exit_n),
        SXGBE_STAT(eee_wakeup_error_n),
-       SXGBE_STAT(pmt_irq_event_n),
+
+       /* RX specific */
+       /* L2 error */
+       SXGBE_STAT(rx_code_gmii_err),
+       SXGBE_STAT(rx_watchdog_err),
+       SXGBE_STAT(rx_crc_err),
+       SXGBE_STAT(rx_gaint_pkt_err),
+       SXGBE_STAT(ip_hdr_err),
+       SXGBE_STAT(ip_payload_err),
+       SXGBE_STAT(overflow_error),
+
+       /* L2 Pkt type */
+       SXGBE_STAT(len_pkt),
+       SXGBE_STAT(mac_ctl_pkt),
+       SXGBE_STAT(dcb_ctl_pkt),
+       SXGBE_STAT(arp_pkt),
+       SXGBE_STAT(oam_pkt),
+       SXGBE_STAT(untag_okt),
+       SXGBE_STAT(other_pkt),
+       SXGBE_STAT(svlan_tag_pkt),
+       SXGBE_STAT(cvlan_tag_pkt),
+       SXGBE_STAT(dvlan_ocvlan_icvlan_pkt),
+       SXGBE_STAT(dvlan_osvlan_isvlan_pkt),
+       SXGBE_STAT(dvlan_osvlan_icvlan_pkt),
+       SXGBE_STAT(dvan_ocvlan_icvlan_pkt),
+
+       /* L3/L4 Pkt type */
+       SXGBE_STAT(not_ip_pkt),
+       SXGBE_STAT(ip4_tcp_pkt),
+       SXGBE_STAT(ip4_udp_pkt),
+       SXGBE_STAT(ip4_icmp_pkt),
+       SXGBE_STAT(ip4_unknown_pkt),
+       SXGBE_STAT(ip6_tcp_pkt),
+       SXGBE_STAT(ip6_udp_pkt),
+       SXGBE_STAT(ip6_icmp_pkt),
+       SXGBE_STAT(ip6_unknown_pkt),
+
+       /* Filter specific */
+       SXGBE_STAT(vlan_filter_match),
+       SXGBE_STAT(sa_filter_fail),
+       SXGBE_STAT(da_filter_fail),
+       SXGBE_STAT(hash_filter_pass),
+       SXGBE_STAT(l3_filter_match),
+       SXGBE_STAT(l4_filter_match),
+
+       /* RX context specific */
+       SXGBE_STAT(timestamp_dropped),
+       SXGBE_STAT(rx_msg_type_no_ptp),
+       SXGBE_STAT(rx_ptp_type_sync),
+       SXGBE_STAT(rx_ptp_type_follow_up),
+       SXGBE_STAT(rx_ptp_type_delay_req),
+       SXGBE_STAT(rx_ptp_type_delay_resp),
+       SXGBE_STAT(rx_ptp_type_pdelay_req),
+       SXGBE_STAT(rx_ptp_type_pdelay_resp),
+       SXGBE_STAT(rx_ptp_type_pdelay_follow_up),
+       SXGBE_STAT(rx_ptp_announce),
+       SXGBE_STAT(rx_ptp_mgmt),
+       SXGBE_STAT(rx_ptp_signal),
+       SXGBE_STAT(rx_ptp_resv_msg_type),
 };
 #define SXGBE_STATS_LEN ARRAY_SIZE(sxgbe_gstrings_stats)
 
-static int sxgbe_ethtool_get_eee(struct net_device *dev,
-                                struct ethtool_eee *edata)
+static int sxgbe_get_eee(struct net_device *dev,
+                        struct ethtool_eee *edata)
 {
        struct sxgbe_priv_data *priv = netdev_priv(dev);
 
@@ -57,8 +151,8 @@ static int sxgbe_ethtool_get_eee(struct net_device *dev,
        return phy_ethtool_get_eee(priv->phydev, edata);
 }
 
-static int sxgbe_ethtool_set_eee(struct net_device *dev,
-                                struct ethtool_eee *edata)
+static int sxgbe_set_eee(struct net_device *dev,
+                        struct ethtool_eee *edata)
 {
        struct sxgbe_priv_data *priv = netdev_priv(dev);
 
@@ -125,9 +219,410 @@ static int sxgbe_set_wol(struct net_device *dev, struct 
ethtool_wolinfo *wol)
        return 0;
 }
 
+static void sxgbe_getdrvinfo(struct net_device *dev,
+                            struct ethtool_drvinfo *info)
+{
+       strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
+       strlcpy(info->version, DRV_VERSION, sizeof(info->version));
+}
+
+static int sxgbe_getsettings(struct net_device *dev,
+                            struct ethtool_cmd *cmd)
+{
+       struct sxgbe_priv_data *priv = netdev_priv(dev);
+
+       if (priv->phydev)
+               return phy_ethtool_gset(priv->phydev, cmd);
+
+       return -ENODEV;
+}
+
+static int sxgbe_setsettings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+       struct sxgbe_priv_data *priv = netdev_priv(dev);
+
+       if (priv->phydev)
+               return phy_ethtool_sset(priv->phydev, cmd);
+
+       return -ENODEV;
+}
+
+static u32 sxgbe_getmsglevel(struct net_device *dev)
+{
+       struct sxgbe_priv_data *priv = netdev_priv(dev);
+       return priv->msg_enable;
+}
+
+static void sxgbe_setmsglevel(struct net_device *dev, u32 level)
+{
+       struct sxgbe_priv_data *priv = netdev_priv(dev);
+       priv->msg_enable = level;
+}
+
+static int sxgbe_get_ts_info(struct net_device *dev,
+                            struct ethtool_ts_info *info)
+{
+       struct sxgbe_priv_data *priv = netdev_priv(dev);
+
+       if (!priv->hw_cap.atime_stamp)
+               return ethtool_op_get_ts_info(dev, info);
+
+       info->so_timestamping = (SOF_TIMESTAMPING_TX_SOFTWARE |
+                                SOF_TIMESTAMPING_RX_SOFTWARE |
+                                SOF_TIMESTAMPING_SOFTWARE |
+                                SOF_TIMESTAMPING_TX_HARDWARE |
+                                SOF_TIMESTAMPING_RX_HARDWARE |
+                                SOF_TIMESTAMPING_RAW_HARDWARE);
+
+       if (priv->ptp_clock)
+               info->phc_index = ptp_clock_index(priv->ptp_clock);
+
+       info->tx_types = ((1 << HWTSTAMP_TX_OFF) |
+                         (1 << HWTSTAMP_TX_ON) |
+                         (1 << HWTSTAMP_TX_ONESTEP_SYNC));
+
+       info->rx_filters = ((1 << HWTSTAMP_FILTER_NONE) |
+                           (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
+                           (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
+                           (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
+                           (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
+                           (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
+                           (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
+                           (1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
+                           (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
+                           (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
+                           (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
+                           (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
+                           (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
+                           (1 << HWTSTAMP_FILTER_ALL));
+       return 0;
+}
+
+int sxgbe_set_flow_ctrl(struct sxgbe_priv_data *priv, int rx, int tx)
+{
+       return 0;
+}
+
+static void sxgbe_get_pauseparam(struct net_device *netdev,
+                                struct ethtool_pauseparam *pause)
+{
+       struct sxgbe_priv_data *priv = netdev_priv(netdev);
+
+       pause->rx_pause = priv->rx_pause;
+       pause->tx_pause = priv->tx_pause;
+}
+
+static int sxgbe_set_pauseparam(struct net_device *netdev,
+                               struct ethtool_pauseparam *pause)
+{
+       struct sxgbe_priv_data *priv = netdev_priv(netdev);
+
+       if (pause->autoneg)
+               return -EINVAL;
+
+       return sxgbe_set_flow_ctrl(priv, pause->rx_pause, pause->tx_pause);
+}
+
+
+
+static void sxgbe_get_strings(struct net_device *dev, u32 stringset, u8 *data)
+{
+       int i;
+       u8 *p = data;
+
+       switch (stringset) {
+       case ETH_SS_STATS:
+               for (i = 0; i < SXGBE_STATS_LEN; i++) {
+                       memcpy(p, sxgbe_gstrings_stats[i].stat_string,
+                              ETH_GSTRING_LEN);
+                       p += ETH_GSTRING_LEN;
+               }
+               break;
+       default:
+               WARN_ON(1);
+               break;
+       }
+}
+
+static int sxgbe_get_sset_count(struct net_device *netdev, int sset)
+{
+       int len;
+
+       switch (sset) {
+       case ETH_SS_STATS:
+               len = SXGBE_STATS_LEN;
+               return len;
+       default:
+               return -EOPNOTSUPP;
+       }
+}
+
+static void sxgbe_get_ethtool_stats(struct net_device *dev,
+                                   struct ethtool_stats *dummy, u64 *data)
+{
+       struct sxgbe_priv_data *priv = netdev_priv(dev);
+       int i, j = 0;
+       char *p;
+
+       if (priv->eee_enabled) {
+               int val = phy_get_eee_err(priv->phydev);
+               if (val)
+                       priv->xstats.eee_wakeup_error_n = val;
+       }
+
+       for (i = 0; i < SXGBE_STATS_LEN; i++) {
+               p = (char *)priv + sxgbe_gstrings_stats[i].stat_offset;
+               data[j++] = (sxgbe_gstrings_stats[i].sizeof_stat == sizeof(u64))
+                       ? (*(u64 *)p) : (*(u32 *)p);
+       }
+}
+
+static void sxgbe_get_channels(struct net_device *dev,
+                              struct ethtool_channels *channel)
+{
+       channel->max_rx = SXGBE_MAX_RX_CHANNELS;
+       channel->max_tx = SXGBE_MAX_TX_CHANNELS;
+       channel->rx_count = SXGBE_RX_QUEUES;
+       channel->tx_count = SXGBE_TX_QUEUES;
+}
+
+static u32 sxgbe_riwt2usec(u32 riwt, struct sxgbe_priv_data *priv)
+{
+       unsigned long clk = clk_get_rate(priv->sxgbe_clk);
+
+       if (!clk)
+               return 0;
+
+       return (riwt * 256) / (clk / 1000000);
+}
+
+static u32 sxgbe_usec2riwt(u32 usec, struct sxgbe_priv_data *priv)
+{
+       unsigned long clk = clk_get_rate(priv->sxgbe_clk);
+
+       if (!clk)
+               return 0;
+
+       return (usec * (clk / 1000000)) / 256;
+}
+
+static int sxgbe_get_coalesce(struct net_device *dev,
+                             struct ethtool_coalesce *ec)
+{
+       struct sxgbe_priv_data *priv = netdev_priv(dev);
+
+       if (priv->use_riwt)
+               ec->rx_coalesce_usecs = sxgbe_riwt2usec(priv->rx_riwt, priv);
+
+       return 0;
+}
+
+static int sxgbe_set_coalesce(struct net_device *dev,
+                             struct ethtool_coalesce *ec)
+{
+       struct sxgbe_priv_data *priv = netdev_priv(dev);
+       unsigned int rx_riwt;
+
+       rx_riwt = sxgbe_usec2riwt(ec->rx_coalesce_usecs, priv);
+
+       if ((rx_riwt > SXGBE_MAX_DMA_RIWT) || (rx_riwt < SXGBE_MIN_DMA_RIWT))
+               return -EINVAL;
+       else if (!priv->use_riwt)
+               return -EOPNOTSUPP;
+
+       priv->rx_riwt = rx_riwt;
+       priv->hw->dma->rx_watchdog(priv->ioaddr, priv->rx_riwt);
+
+       return 0;
+}
+
+static int sxgbe_get_rss_hash_opts(struct sxgbe_priv_data *priv,
+                                  struct ethtool_rxnfc *cmd)
+{
+       cmd->data = 0;
+
+       /* Report default options for RSS on sxgbe */
+       switch (cmd->flow_type) {
+       case TCP_V4_FLOW:
+       case UDP_V4_FLOW:
+               cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+       case SCTP_V4_FLOW:
+       case AH_ESP_V4_FLOW:
+       case AH_V4_FLOW:
+       case ESP_V4_FLOW:
+       case IPV4_FLOW:
+               cmd->data |= RXH_IP_SRC | RXH_IP_DST;
+               break;
+       case TCP_V6_FLOW:
+       case UDP_V6_FLOW:
+               cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+       case SCTP_V6_FLOW:
+       case AH_ESP_V6_FLOW:
+       case AH_V6_FLOW:
+       case ESP_V6_FLOW:
+       case IPV6_FLOW:
+               cmd->data |= RXH_IP_SRC | RXH_IP_DST;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       return 0;
+}
+
+static int sxgbe_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
+                          u32 *rule_locs)
+{
+       struct sxgbe_priv_data *priv = netdev_priv(dev);
+       int ret = -EOPNOTSUPP;
+
+       switch (cmd->cmd) {
+       case ETHTOOL_GRXFH:
+               ret = sxgbe_get_rss_hash_opts(priv, cmd);
+               break;
+       default:
+               break;
+       }
+
+       return ret;
+}
+
+static int sxgbe_set_rss_hash_opt(struct sxgbe_priv_data *priv,
+                                 struct ethtool_rxnfc *cmd)
+{
+       u32 reg_val = 0;
+
+       /* RSS does not support anything other than hashing
+        * to queues on src and dst IPs and ports
+        */
+       if (cmd->data & ~(RXH_IP_SRC | RXH_IP_DST |
+                         RXH_L4_B_0_1 | RXH_L4_B_2_3))
+               return -EINVAL;
+
+       switch (cmd->flow_type) {
+       case TCP_V4_FLOW:
+       case TCP_V6_FLOW:
+               if (!(cmd->data & RXH_IP_SRC) ||
+                   !(cmd->data & RXH_IP_DST) ||
+                   !(cmd->data & RXH_L4_B_0_1) ||
+                   !(cmd->data & RXH_L4_B_2_3))
+                       return -EINVAL;
+               reg_val = SXGBE_CORE_RSS_CTL_TCP4TE;
+               break;
+       case UDP_V4_FLOW:
+       case UDP_V6_FLOW:
+               if (!(cmd->data & RXH_IP_SRC) ||
+                   !(cmd->data & RXH_IP_DST) ||
+                   !(cmd->data & RXH_L4_B_0_1) ||
+                   !(cmd->data & RXH_L4_B_2_3))
+                       return -EINVAL;
+               reg_val = SXGBE_CORE_RSS_CTL_UDP4TE;
+               break;
+       case SCTP_V4_FLOW:
+       case AH_ESP_V4_FLOW:
+       case AH_V4_FLOW:
+       case ESP_V4_FLOW:
+       case AH_ESP_V6_FLOW:
+       case AH_V6_FLOW:
+       case ESP_V6_FLOW:
+       case SCTP_V6_FLOW:
+       case IPV4_FLOW:
+       case IPV6_FLOW:
+               if (!(cmd->data & RXH_IP_SRC) ||
+                   !(cmd->data & RXH_IP_DST) ||
+                   (cmd->data & RXH_L4_B_0_1) ||
+                   (cmd->data & RXH_L4_B_2_3))
+                       return -EINVAL;
+               reg_val = SXGBE_CORE_RSS_CTL_IP2TE;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       /* Read SXGBE RSS control register and update */
+       reg_val |= readl(priv->ioaddr + SXGBE_CORE_RSS_CTL_REG);
+       writel(reg_val, priv->ioaddr + SXGBE_CORE_RSS_CTL_REG);
+       readl(priv->ioaddr + SXGBE_CORE_RSS_CTL_REG);
+
+       return 0;
+}
+
+static int sxgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
+{
+       struct sxgbe_priv_data *priv = netdev_priv(dev);
+       int ret = -EOPNOTSUPP;
+
+       switch (cmd->cmd) {
+       case ETHTOOL_SRXFH:
+               ret = sxgbe_set_rss_hash_opt(priv, cmd);
+               break;
+       default:
+               break;
+       }
+
+       return ret;
+}
+
+static void sxgbe_get_regs(struct net_device *dev,
+                          struct ethtool_regs *regs, void *space)
+{
+       struct sxgbe_priv_data *priv = netdev_priv(dev);
+       u32 *reg_space = (u32 *)space;
+       int reg_offset;
+       int reg_ix = 0;
+       void __iomem *ioaddr = priv->ioaddr;
+
+       memset(reg_space, 0x0, REG_SPACE_SIZE);
+
+       /* MAC registers */
+       for (reg_offset = START_MAC_REG_OFFSET;
+            reg_offset <= MAX_MAC_REG_OFFSET; reg_offset += 4) {
+               reg_space[reg_ix] = readl(ioaddr + reg_offset);
+               reg_ix++;
+       }
+
+       /* MTL registers */
+       for (reg_offset = START_MTL_REG_OFFSET;
+            reg_offset <= MAX_MTL_REG_OFFSET; reg_offset += 4) {
+               reg_space[reg_ix] = readl(ioaddr + reg_offset);
+               reg_ix++;
+       }
+
+       /* DMA registers */
+       for (reg_offset = START_DMA_REG_OFFSET;
+            reg_offset <= MAX_DMA_REG_OFFSET; reg_offset += 4) {
+               reg_space[reg_ix] = readl(ioaddr + reg_offset);
+               reg_ix++;
+       }
+}
+
+static int sxgbe_get_regs_len(struct net_device *dev)
+{
+       return REG_SPACE_SIZE;
+}
+
 static const struct ethtool_ops sxgbe_ethtool_ops = {
-       .get_eee = sxgbe_ethtool_get_eee,
-       .set_eee = sxgbe_ethtool_set_eee,
+       .get_drvinfo = sxgbe_getdrvinfo,
+       .get_settings = sxgbe_getsettings,
+       .set_settings = sxgbe_setsettings,
+       .get_msglevel = sxgbe_getmsglevel,
+       .set_msglevel = sxgbe_setmsglevel,
+       .get_link = ethtool_op_get_link,
+       .get_ts_info = sxgbe_get_ts_info,
+       .get_pauseparam = sxgbe_get_pauseparam,
+       .set_pauseparam = sxgbe_set_pauseparam,
+       .get_strings = sxgbe_get_strings,
+       .get_ethtool_stats = sxgbe_get_ethtool_stats,
+       .get_sset_count = sxgbe_get_sset_count,
+       .get_channels = sxgbe_get_channels,
+       .get_coalesce = sxgbe_get_coalesce,
+       .set_coalesce = sxgbe_set_coalesce,
+       .get_rxnfc = sxgbe_get_rxnfc,
+       .set_rxnfc = sxgbe_set_rxnfc,
+       .get_regs = sxgbe_get_regs,
+       .get_regs_len = sxgbe_get_regs_len,
+       .get_eee = sxgbe_get_eee,
+       .set_eee = sxgbe_set_eee,
        .get_wol = sxgbe_get_wol,
        .set_wol = sxgbe_set_wol,
 };
diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c 
b/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
index c81611a..8e0229f 100644
--- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
+++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
@@ -2165,9 +2165,6 @@ 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) {
@@ -2181,6 +2178,11 @@ 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;
diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_reg.h 
b/drivers/net/ethernet/samsung/sxgbe/sxgbe_reg.h
index bd85923..ed1226d 100644
--- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_reg.h
+++ b/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
-- 
1.7.10.4


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