]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/net/s2io.c
[netdrvr] Remove long-unused bits from Becker template drivers
[linux-2.6-omap-h63xx.git] / drivers / net / s2io.c
index 078a49e859361104c2974f63934017dc3aaa08c5..3defe5d4f7d3ea19004b21d39081e2a9c0b10572 100644 (file)
@@ -77,7 +77,7 @@
 #include "s2io.h"
 #include "s2io-regs.h"
 
-#define DRV_VERSION "2.0.11.2"
+#define DRV_VERSION "2.0.14.2"
 
 /* S2io Driver name & version. */
 static char s2io_driver_name[] = "Neterion";
@@ -139,7 +139,11 @@ static char ethtool_stats_keys[][ETH_GSTRING_LEN] = {
        {"tmac_mcst_frms"},
        {"tmac_bcst_frms"},
        {"tmac_pause_ctrl_frms"},
+       {"tmac_ttl_octets"},
+       {"tmac_ucst_frms"},
+       {"tmac_nucst_frms"},
        {"tmac_any_err_frms"},
+       {"tmac_ttl_less_fb_octets"},
        {"tmac_vld_ip_octets"},
        {"tmac_vld_ip"},
        {"tmac_drop_ip"},
@@ -154,13 +158,27 @@ static char ethtool_stats_keys[][ETH_GSTRING_LEN] = {
        {"rmac_vld_mcst_frms"},
        {"rmac_vld_bcst_frms"},
        {"rmac_in_rng_len_err_frms"},
+       {"rmac_out_rng_len_err_frms"},
        {"rmac_long_frms"},
        {"rmac_pause_ctrl_frms"},
+       {"rmac_unsup_ctrl_frms"},
+       {"rmac_ttl_octets"},
+       {"rmac_accepted_ucst_frms"},
+       {"rmac_accepted_nucst_frms"},
        {"rmac_discarded_frms"},
+       {"rmac_drop_events"},
+       {"rmac_ttl_less_fb_octets"},
+       {"rmac_ttl_frms"},
        {"rmac_usized_frms"},
        {"rmac_osized_frms"},
        {"rmac_frag_frms"},
        {"rmac_jabber_frms"},
+       {"rmac_ttl_64_frms"},
+       {"rmac_ttl_65_127_frms"},
+       {"rmac_ttl_128_255_frms"},
+       {"rmac_ttl_256_511_frms"},
+       {"rmac_ttl_512_1023_frms"},
+       {"rmac_ttl_1024_1518_frms"},
        {"rmac_ip"},
        {"rmac_ip_octets"},
        {"rmac_hdr_err_ip"},
@@ -169,12 +187,82 @@ static char ethtool_stats_keys[][ETH_GSTRING_LEN] = {
        {"rmac_tcp"},
        {"rmac_udp"},
        {"rmac_err_drp_udp"},
+       {"rmac_xgmii_err_sym"},
+       {"rmac_frms_q0"},
+       {"rmac_frms_q1"},
+       {"rmac_frms_q2"},
+       {"rmac_frms_q3"},
+       {"rmac_frms_q4"},
+       {"rmac_frms_q5"},
+       {"rmac_frms_q6"},
+       {"rmac_frms_q7"},
+       {"rmac_full_q0"},
+       {"rmac_full_q1"},
+       {"rmac_full_q2"},
+       {"rmac_full_q3"},
+       {"rmac_full_q4"},
+       {"rmac_full_q5"},
+       {"rmac_full_q6"},
+       {"rmac_full_q7"},
        {"rmac_pause_cnt"},
+       {"rmac_xgmii_data_err_cnt"},
+       {"rmac_xgmii_ctrl_err_cnt"},
        {"rmac_accepted_ip"},
        {"rmac_err_tcp"},
+       {"rd_req_cnt"},
+       {"new_rd_req_cnt"},
+       {"new_rd_req_rtry_cnt"},
+       {"rd_rtry_cnt"},
+       {"wr_rtry_rd_ack_cnt"},
+       {"wr_req_cnt"},
+       {"new_wr_req_cnt"},
+       {"new_wr_req_rtry_cnt"},
+       {"wr_rtry_cnt"},
+       {"wr_disc_cnt"},
+       {"rd_rtry_wr_ack_cnt"},
+       {"txp_wr_cnt"},
+       {"txd_rd_cnt"},
+       {"txd_wr_cnt"},
+       {"rxd_rd_cnt"},
+       {"rxd_wr_cnt"},
+       {"txf_rd_cnt"},
+       {"rxf_wr_cnt"},
+       {"rmac_ttl_1519_4095_frms"},
+       {"rmac_ttl_4096_8191_frms"},
+       {"rmac_ttl_8192_max_frms"},
+       {"rmac_ttl_gt_max_frms"},
+       {"rmac_osized_alt_frms"},
+       {"rmac_jabber_alt_frms"},
+       {"rmac_gt_max_alt_frms"},
+       {"rmac_vlan_frms"},
+       {"rmac_len_discard"},
+       {"rmac_fcs_discard"},
+       {"rmac_pf_discard"},
+       {"rmac_da_discard"},
+       {"rmac_red_discard"},
+       {"rmac_rts_discard"},
+       {"rmac_ingm_full_discard"},
+       {"link_fault_cnt"},
        {"\n DRIVER STATISTICS"},
        {"single_bit_ecc_errs"},
        {"double_bit_ecc_errs"},
+       {"parity_err_cnt"},
+       {"serious_err_cnt"},
+       {"soft_reset_cnt"},
+       {"fifo_full_cnt"},
+       {"ring_full_cnt"},
+       ("alarm_transceiver_temp_high"),
+       ("alarm_transceiver_temp_low"),
+       ("alarm_laser_bias_current_high"),
+       ("alarm_laser_bias_current_low"),
+       ("alarm_laser_output_power_high"),
+       ("alarm_laser_output_power_low"),
+       ("warn_transceiver_temp_high"),
+       ("warn_transceiver_temp_low"),
+       ("warn_laser_bias_current_high"),
+       ("warn_laser_bias_current_low"),
+       ("warn_laser_output_power_high"),
+       ("warn_laser_output_power_low"),
        ("lro_aggregated_pkts"),
        ("lro_flush_both_count"),
        ("lro_out_of_sequence_pkts"),
@@ -764,7 +852,7 @@ static int s2io_on_nec_bridge(struct pci_dev *s2io_pdev)
        return 0;
 }
 
-int bus_speed[8] = {33, 133, 133, 200, 266, 133, 200, 266};
+static int bus_speed[8] = {33, 133, 133, 200, 266, 133, 200, 266};
 /**
  * s2io_print_pci_mode -
  */
@@ -948,11 +1036,6 @@ static int init_nic(struct s2io_nic *nic)
                }
        }
 
-       /* Enable Tx FIFO partition 0. */
-       val64 = readq(&bar0->tx_fifo_partition_0);
-       val64 |= BIT(0);        /* To enable the FIFO partition. */
-       writeq(val64, &bar0->tx_fifo_partition_0);
-
        /*
         * Disable 4 PCCs for Xena1, 2 and 3 as per H/W bug
         * SXE-008 TRANSMIT DMA ARBITRATION ISSUE.
@@ -1131,6 +1214,11 @@ static int init_nic(struct s2io_nic *nic)
                break;
        }
 
+       /* Enable Tx FIFO partition 0. */
+       val64 = readq(&bar0->tx_fifo_partition_0);
+       val64 |= (TX_FIFO_PARTITION_EN);
+       writeq(val64, &bar0->tx_fifo_partition_0);
+
        /* Filling the Rx round robin registers as per the
         * number of Rings and steering based on QoS.
          */
@@ -2100,7 +2188,7 @@ static void stop_nic(struct s2io_nic *nic)
 {
        XENA_dev_config_t __iomem *bar0 = nic->bar0;
        register u64 val64 = 0;
-       u16 interruptible, i;
+       u16 interruptible;
        mac_info_t *mac_control;
        struct config_param *config;
 
@@ -2113,12 +2201,10 @@ static void stop_nic(struct s2io_nic *nic)
        interruptible |= TX_MAC_INTR | RX_MAC_INTR;
        en_dis_able_nic_intrs(nic, interruptible, DISABLE_INTRS);
 
-       /*  Disable PRCs */
-       for (i = 0; i < config->rx_ring_num; i++) {
-               val64 = readq(&bar0->prc_ctrl_n[i]);
-               val64 &= ~((u64) PRC_CTRL_RC_ENABLED);
-               writeq(val64, &bar0->prc_ctrl_n[i]);
-       }
+       /* Clearing Adapter_En bit of ADAPTER_CONTROL Register */
+       val64 = readq(&bar0->adapter_control);
+       val64 &= ~(ADAPTER_CNTL_EN);
+       writeq(val64, &bar0->adapter_control);
 }
 
 static int fill_rxd_3buf(nic_t *nic, RxD_t *rxdp, struct sk_buff *skb)
@@ -2540,6 +2626,50 @@ no_rx:
 }
 #endif
 
+/**
+ * s2io_netpoll - Rx interrupt service handler for netpoll support
+ * @dev : pointer to the device structure.
+ * Description:
+ * Polling 'interrupt' - used by things like netconsole to send skbs
+ * without having to re-enable interrupts. It's not called while
+ * the interrupt routine is executing.
+ */
+
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void s2io_netpoll(struct net_device *dev)
+{
+       nic_t *nic = dev->priv;
+       mac_info_t *mac_control;
+       struct config_param *config;
+       XENA_dev_config_t __iomem *bar0 = nic->bar0;
+       u64 val64;
+       int i;
+
+       disable_irq(dev->irq);
+
+       atomic_inc(&nic->isr_cnt);
+       mac_control = &nic->mac_control;
+       config = &nic->config;
+
+       val64 = readq(&bar0->rx_traffic_int);
+       writeq(val64, &bar0->rx_traffic_int);
+
+       for (i = 0; i < config->rx_ring_num; i++)
+               rx_intr_handler(&mac_control->rings[i]);
+
+       for (i = 0; i < config->rx_ring_num; i++) {
+               if (fill_rx_buffers(nic, i) == -ENOMEM) {
+                       DBG_PRINT(ERR_DBG, "%s:Out of memory", dev->name);
+                       DBG_PRINT(ERR_DBG, " in Rx Netpoll!!\n");
+                       break;
+               }
+       }
+       atomic_dec(&nic->isr_cnt);
+       enable_irq(dev->irq);
+       return;
+}
+#endif
+
 /**
  *  rx_intr_handler - Rx interrupt handler
  *  @nic: device private variable.
@@ -2704,6 +2834,10 @@ static void tx_intr_handler(fifo_info_t *fifo_data)
                if (txdlp->Control_1 & TXD_T_CODE) {
                        unsigned long long err;
                        err = txdlp->Control_1 & TXD_T_CODE;
+                       if (err & 0x1) {
+                               nic->mac_control.stats_info->sw_stat.
+                                               parity_err_cnt++;
+                       }
                        if ((err >> 48) == 0xA) {
                                DBG_PRINT(TX_DBG, "TxD returned due \
 to loss of link\n");
@@ -2741,6 +2875,256 @@ to loss of link\n");
        spin_unlock(&nic->tx_lock);
 }
 
+/**
+ *  s2io_mdio_write - Function to write in to MDIO registers
+ *  @mmd_type : MMD type value (PMA/PMD/WIS/PCS/PHYXS)
+ *  @addr     : address value
+ *  @value    : data value
+ *  @dev      : pointer to net_device structure
+ *  Description:
+ *  This function is used to write values to the MDIO registers
+ *  NONE
+ */
+static void s2io_mdio_write(u32 mmd_type, u64 addr, u16 value, struct net_device *dev)
+{
+       u64 val64 = 0x0;
+       nic_t *sp = dev->priv;
+       XENA_dev_config_t *bar0 = (XENA_dev_config_t *)sp->bar0;
+
+       //address transaction
+       val64 = val64 | MDIO_MMD_INDX_ADDR(addr)
+                       | MDIO_MMD_DEV_ADDR(mmd_type)
+                       | MDIO_MMS_PRT_ADDR(0x0);
+       writeq(val64, &bar0->mdio_control);
+       val64 = val64 | MDIO_CTRL_START_TRANS(0xE);
+       writeq(val64, &bar0->mdio_control);
+       udelay(100);
+
+       //Data transaction
+       val64 = 0x0;
+       val64 = val64 | MDIO_MMD_INDX_ADDR(addr)
+                       | MDIO_MMD_DEV_ADDR(mmd_type)
+                       | MDIO_MMS_PRT_ADDR(0x0)
+                       | MDIO_MDIO_DATA(value)
+                       | MDIO_OP(MDIO_OP_WRITE_TRANS);
+       writeq(val64, &bar0->mdio_control);
+       val64 = val64 | MDIO_CTRL_START_TRANS(0xE);
+       writeq(val64, &bar0->mdio_control);
+       udelay(100);
+
+       val64 = 0x0;
+       val64 = val64 | MDIO_MMD_INDX_ADDR(addr)
+       | MDIO_MMD_DEV_ADDR(mmd_type)
+       | MDIO_MMS_PRT_ADDR(0x0)
+       | MDIO_OP(MDIO_OP_READ_TRANS);
+       writeq(val64, &bar0->mdio_control);
+       val64 = val64 | MDIO_CTRL_START_TRANS(0xE);
+       writeq(val64, &bar0->mdio_control);
+       udelay(100);
+
+}
+
+/**
+ *  s2io_mdio_read - Function to write in to MDIO registers
+ *  @mmd_type : MMD type value (PMA/PMD/WIS/PCS/PHYXS)
+ *  @addr     : address value
+ *  @dev      : pointer to net_device structure
+ *  Description:
+ *  This function is used to read values to the MDIO registers
+ *  NONE
+ */
+static u64 s2io_mdio_read(u32 mmd_type, u64 addr, struct net_device *dev)
+{
+       u64 val64 = 0x0;
+       u64 rval64 = 0x0;
+       nic_t *sp = dev->priv;
+       XENA_dev_config_t *bar0 = (XENA_dev_config_t *)sp->bar0;
+
+       /* address transaction */
+       val64 = val64 | MDIO_MMD_INDX_ADDR(addr)
+                       | MDIO_MMD_DEV_ADDR(mmd_type)
+                       | MDIO_MMS_PRT_ADDR(0x0);
+       writeq(val64, &bar0->mdio_control);
+       val64 = val64 | MDIO_CTRL_START_TRANS(0xE);
+       writeq(val64, &bar0->mdio_control);
+       udelay(100);
+
+       /* Data transaction */
+       val64 = 0x0;
+       val64 = val64 | MDIO_MMD_INDX_ADDR(addr)
+                       | MDIO_MMD_DEV_ADDR(mmd_type)
+                       | MDIO_MMS_PRT_ADDR(0x0)
+                       | MDIO_OP(MDIO_OP_READ_TRANS);
+       writeq(val64, &bar0->mdio_control);
+       val64 = val64 | MDIO_CTRL_START_TRANS(0xE);
+       writeq(val64, &bar0->mdio_control);
+       udelay(100);
+
+       /* Read the value from regs */
+       rval64 = readq(&bar0->mdio_control);
+       rval64 = rval64 & 0xFFFF0000;
+       rval64 = rval64 >> 16;
+       return rval64;
+}
+/**
+ *  s2io_chk_xpak_counter - Function to check the status of the xpak counters
+ *  @counter      : couter value to be updated
+ *  @flag         : flag to indicate the status
+ *  @type         : counter type
+ *  Description:
+ *  This function is to check the status of the xpak counters value
+ *  NONE
+ */
+
+static void s2io_chk_xpak_counter(u64 *counter, u64 * regs_stat, u32 index, u16 flag, u16 type)
+{
+       u64 mask = 0x3;
+       u64 val64;
+       int i;
+       for(i = 0; i <index; i++)
+               mask = mask << 0x2;
+
+       if(flag > 0)
+       {
+               *counter = *counter + 1;
+               val64 = *regs_stat & mask;
+               val64 = val64 >> (index * 0x2);
+               val64 = val64 + 1;
+               if(val64 == 3)
+               {
+                       switch(type)
+                       {
+                       case 1:
+                               DBG_PRINT(ERR_DBG, "Take Xframe NIC out of "
+                                         "service. Excessive temperatures may "
+                                         "result in premature transceiver "
+                                         "failure \n");
+                       break;
+                       case 2:
+                               DBG_PRINT(ERR_DBG, "Take Xframe NIC out of "
+                                         "service Excessive bias currents may "
+                                         "indicate imminent laser diode "
+                                         "failure \n");
+                       break;
+                       case 3:
+                               DBG_PRINT(ERR_DBG, "Take Xframe NIC out of "
+                                         "service Excessive laser output "
+                                         "power may saturate far-end "
+                                         "receiver\n");
+                       break;
+                       default:
+                               DBG_PRINT(ERR_DBG, "Incorrect XPAK Alarm "
+                                         "type \n");
+                       }
+                       val64 = 0x0;
+               }
+               val64 = val64 << (index * 0x2);
+               *regs_stat = (*regs_stat & (~mask)) | (val64);
+
+       } else {
+               *regs_stat = *regs_stat & (~mask);
+       }
+}
+
+/**
+ *  s2io_updt_xpak_counter - Function to update the xpak counters
+ *  @dev         : pointer to net_device struct
+ *  Description:
+ *  This function is to upate the status of the xpak counters value
+ *  NONE
+ */
+static void s2io_updt_xpak_counter(struct net_device *dev)
+{
+       u16 flag  = 0x0;
+       u16 type  = 0x0;
+       u16 val16 = 0x0;
+       u64 val64 = 0x0;
+       u64 addr  = 0x0;
+
+       nic_t *sp = dev->priv;
+       StatInfo_t *stat_info = sp->mac_control.stats_info;
+
+       /* Check the communication with the MDIO slave */
+       addr = 0x0000;
+       val64 = 0x0;
+       val64 = s2io_mdio_read(MDIO_MMD_PMA_DEV_ADDR, addr, dev);
+       if((val64 == 0xFFFF) || (val64 == 0x0000))
+       {
+               DBG_PRINT(ERR_DBG, "ERR: MDIO slave access failed - "
+                         "Returned %llx\n", (unsigned long long)val64);
+               return;
+       }
+
+       /* Check for the expecte value of 2040 at PMA address 0x0000 */
+       if(val64 != 0x2040)
+       {
+               DBG_PRINT(ERR_DBG, "Incorrect value at PMA address 0x0000 - ");
+               DBG_PRINT(ERR_DBG, "Returned: %llx- Expected: 0x2040\n",
+                         (unsigned long long)val64);
+               return;
+       }
+
+       /* Loading the DOM register to MDIO register */
+       addr = 0xA100;
+       s2io_mdio_write(MDIO_MMD_PMA_DEV_ADDR, addr, val16, dev);
+       val64 = s2io_mdio_read(MDIO_MMD_PMA_DEV_ADDR, addr, dev);
+
+       /* Reading the Alarm flags */
+       addr = 0xA070;
+       val64 = 0x0;
+       val64 = s2io_mdio_read(MDIO_MMD_PMA_DEV_ADDR, addr, dev);
+
+       flag = CHECKBIT(val64, 0x7);
+       type = 1;
+       s2io_chk_xpak_counter(&stat_info->xpak_stat.alarm_transceiver_temp_high,
+                               &stat_info->xpak_stat.xpak_regs_stat,
+                               0x0, flag, type);
+
+       if(CHECKBIT(val64, 0x6))
+               stat_info->xpak_stat.alarm_transceiver_temp_low++;
+
+       flag = CHECKBIT(val64, 0x3);
+       type = 2;
+       s2io_chk_xpak_counter(&stat_info->xpak_stat.alarm_laser_bias_current_high,
+                               &stat_info->xpak_stat.xpak_regs_stat,
+                               0x2, flag, type);
+
+       if(CHECKBIT(val64, 0x2))
+               stat_info->xpak_stat.alarm_laser_bias_current_low++;
+
+       flag = CHECKBIT(val64, 0x1);
+       type = 3;
+       s2io_chk_xpak_counter(&stat_info->xpak_stat.alarm_laser_output_power_high,
+                               &stat_info->xpak_stat.xpak_regs_stat,
+                               0x4, flag, type);
+
+       if(CHECKBIT(val64, 0x0))
+               stat_info->xpak_stat.alarm_laser_output_power_low++;
+
+       /* Reading the Warning flags */
+       addr = 0xA074;
+       val64 = 0x0;
+       val64 = s2io_mdio_read(MDIO_MMD_PMA_DEV_ADDR, addr, dev);
+
+       if(CHECKBIT(val64, 0x7))
+               stat_info->xpak_stat.warn_transceiver_temp_high++;
+
+       if(CHECKBIT(val64, 0x6))
+               stat_info->xpak_stat.warn_transceiver_temp_low++;
+
+       if(CHECKBIT(val64, 0x3))
+               stat_info->xpak_stat.warn_laser_bias_current_high++;
+
+       if(CHECKBIT(val64, 0x2))
+               stat_info->xpak_stat.warn_laser_bias_current_low++;
+
+       if(CHECKBIT(val64, 0x1))
+               stat_info->xpak_stat.warn_laser_output_power_high++;
+
+       if(CHECKBIT(val64, 0x0))
+               stat_info->xpak_stat.warn_laser_output_power_low++;
+}
+
 /**
  *  alarm_intr_handler - Alarm Interrrupt handler
  *  @nic: device private variable
@@ -2758,6 +3142,18 @@ static void alarm_intr_handler(struct s2io_nic *nic)
        struct net_device *dev = (struct net_device *) nic->dev;
        XENA_dev_config_t __iomem *bar0 = nic->bar0;
        register u64 val64 = 0, err_reg = 0;
+       u64 cnt;
+       int i;
+       nic->mac_control.stats_info->sw_stat.ring_full_cnt = 0;
+       /* Handling the XPAK counters update */
+       if(nic->mac_control.stats_info->xpak_stat.xpak_timer_count < 72000) {
+               /* waiting for an hour */
+               nic->mac_control.stats_info->xpak_stat.xpak_timer_count++;
+       } else {
+               s2io_updt_xpak_counter(dev);
+               /* reset the count to zero */
+               nic->mac_control.stats_info->xpak_stat.xpak_timer_count = 0;
+       }
 
        /* Handling link status change error Intr */
        if (s2io_link_fault_indication(nic) == MAC_RMAC_ERR_TIMER) {
@@ -2784,6 +3180,8 @@ static void alarm_intr_handler(struct s2io_nic *nic)
                                             MC_ERR_REG_MIRI_ECC_DB_ERR_1)) {
                                        netif_stop_queue(dev);
                                        schedule_work(&nic->rst_timer_task);
+                                       nic->mac_control.stats_info->sw_stat.
+                                                       soft_reset_cnt++;
                                }
                        }
                } else {
@@ -2795,11 +3193,13 @@ static void alarm_intr_handler(struct s2io_nic *nic)
        /* In case of a serious error, the device will be Reset. */
        val64 = readq(&bar0->serr_source);
        if (val64 & SERR_SOURCE_ANY) {
+               nic->mac_control.stats_info->sw_stat.serious_err_cnt++;
                DBG_PRINT(ERR_DBG, "%s: Device indicates ", dev->name);
                DBG_PRINT(ERR_DBG, "serious error %llx!!\n", 
                          (unsigned long long)val64);
                netif_stop_queue(dev);
                schedule_work(&nic->rst_timer_task);
+               nic->mac_control.stats_info->sw_stat.soft_reset_cnt++;
        }
 
        /*
@@ -2817,6 +3217,35 @@ static void alarm_intr_handler(struct s2io_nic *nic)
                ac = readq(&bar0->adapter_control);
                schedule_work(&nic->set_link_task);
        }
+       /* Check for data parity error */
+       val64 = readq(&bar0->pic_int_status);
+       if (val64 & PIC_INT_GPIO) {
+               val64 = readq(&bar0->gpio_int_reg);
+               if (val64 & GPIO_INT_REG_DP_ERR_INT) {
+                       nic->mac_control.stats_info->sw_stat.parity_err_cnt++;
+                       schedule_work(&nic->rst_timer_task);
+                       nic->mac_control.stats_info->sw_stat.soft_reset_cnt++;
+               }
+       }
+
+       /* Check for ring full counter */
+       if (nic->device_type & XFRAME_II_DEVICE) {
+               val64 = readq(&bar0->ring_bump_counter1);
+               for (i=0; i<4; i++) {
+                       cnt = ( val64 & vBIT(0xFFFF,(i*16),16));
+                       cnt >>= 64 - ((i+1)*16);
+                       nic->mac_control.stats_info->sw_stat.ring_full_cnt
+                               += cnt;
+               }
+
+               val64 = readq(&bar0->ring_bump_counter2);
+               for (i=0; i<4; i++) {
+                       cnt = ( val64 & vBIT(0xFFFF,(i*16),16));
+                       cnt >>= 64 - ((i+1)*16);
+                       nic->mac_control.stats_info->sw_stat.ring_full_cnt
+                               += cnt;
+               }
+       }
 
        /* Other type of interrupts are not being handled now,  TODO */
 }
@@ -3397,6 +3826,7 @@ isr_registration_failed:
        if (sp->intr_type == MSI_X) {
                int i;
                u16 msi_control; /* Temp variable */
+
                for (i=1; (sp->s2io_entries[i].in_use == 
                                MSIX_REGISTERED_SUCCESS); i++) {
                        int vector = sp->entries[i].vector;
@@ -3529,8 +3959,8 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
        txdp->Control_1 = 0;
        txdp->Control_2 = 0;
 #ifdef NETIF_F_TSO
-       mss = skb_shinfo(skb)->tso_size;
-       if (mss) {
+       mss = skb_shinfo(skb)->gso_size;
+       if (skb_shinfo(skb)->gso_type == SKB_GSO_TCPV4) {
                txdp->Control_1 |= TXD_TCP_LSO_EN;
                txdp->Control_1 |= TXD_TCP_LSO_MSS(mss);
        }
@@ -3550,10 +3980,10 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
        }
 
        frg_len = skb->len - skb->data_len;
-       if (skb_shinfo(skb)->ufo_size) {
+       if (skb_shinfo(skb)->gso_type == SKB_GSO_UDPV4) {
                int ufo_size;
 
-               ufo_size = skb_shinfo(skb)->ufo_size;
+               ufo_size = skb_shinfo(skb)->gso_size;
                ufo_size &= ~7;
                txdp->Control_1 |= TXD_UFO_EN;
                txdp->Control_1 |= TXD_UFO_MSS(ufo_size);
@@ -3579,7 +4009,7 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
        txdp->Host_Control = (unsigned long) skb;
        txdp->Control_1 |= TXD_BUFFER0_SIZE(frg_len);
 
-       if (skb_shinfo(skb)->ufo_size)
+       if (skb_shinfo(skb)->gso_type == SKB_GSO_UDPV4)
                txdp->Control_1 |= TXD_UFO_EN;
 
        frg_cnt = skb_shinfo(skb)->nr_frags;
@@ -3594,12 +4024,12 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
                    (sp->pdev, frag->page, frag->page_offset,
                     frag->size, PCI_DMA_TODEVICE);
                txdp->Control_1 = TXD_BUFFER0_SIZE(frag->size);
-               if (skb_shinfo(skb)->ufo_size)
+               if (skb_shinfo(skb)->gso_type == SKB_GSO_UDPV4)
                        txdp->Control_1 |= TXD_UFO_EN;
        }
        txdp->Control_1 |= TXD_GATHER_CODE_LAST;
 
-       if (skb_shinfo(skb)->ufo_size)
+       if (skb_shinfo(skb)->gso_type == SKB_GSO_UDPV4)
                frg_cnt++; /* as Txd0 was used for inband header */
 
        tx_fifo = mac_control->tx_FIFO_start[queue];
@@ -3613,7 +4043,7 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
        if (mss)
                val64 |= TX_FIFO_SPECIAL_FUNC;
 #endif
-       if (skb_shinfo(skb)->ufo_size)
+       if (skb_shinfo(skb)->gso_type == SKB_GSO_UDPV4)
                val64 |= TX_FIFO_SPECIAL_FUNC;
        writeq(val64, &tx_fifo->List_Control);
 
@@ -3626,6 +4056,7 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
 
        /* Avoid "put" pointer going beyond "get" pointer */
        if (((put_off+1) == queue_len ? 0 : (put_off+1)) == get_off) {
+               sp->mac_control.stats_info->sw_stat.fifo_full_cnt++;
                DBG_PRINT(TX_DBG,
                          "No free TxDs for xmit, Put: 0x%x Get:0x%x\n",
                          put_off, get_off);
@@ -3761,7 +4192,6 @@ s2io_msix_fifo_handle(int irq, void *dev_id, struct pt_regs *regs)
        atomic_dec(&sp->isr_cnt);
        return IRQ_HANDLED;
 }
-
 static void s2io_txpic_intr_handle(nic_t *sp)
 {
        XENA_dev_config_t __iomem *bar0 = sp->bar0;
@@ -3844,7 +4274,7 @@ static irqreturn_t s2io_isr(int irq, void *dev_id, struct pt_regs *regs)
        nic_t *sp = dev->priv;
        XENA_dev_config_t __iomem *bar0 = sp->bar0;
        int i;
-       u64 reason = 0, val64;
+       u64 reason = 0, val64, org_mask;
        mac_info_t *mac_control;
        struct config_param *config;
 
@@ -3869,6 +4299,10 @@ static irqreturn_t s2io_isr(int irq, void *dev_id, struct pt_regs *regs)
        }
 
        val64 = 0xFFFFFFFFFFFFFFFFULL;
+       /* Store current mask before masking all interrupts */
+       org_mask = readq(&bar0->general_int_mask);
+       writeq(val64, &bar0->general_int_mask);
+
 #ifdef CONFIG_S2IO_NAPI
        if (reason & GEN_INTR_RXTRAFFIC) {
                if (netif_rx_schedule_prep(dev)) {
@@ -3924,6 +4358,7 @@ static irqreturn_t s2io_isr(int irq, void *dev_id, struct pt_regs *regs)
                                        DBG_PRINT(ERR_DBG, " in ISR!!\n");
                                        clear_bit(0, (&sp->tasklet_status));
                                        atomic_dec(&sp->isr_cnt);
+                                       writeq(org_mask, &bar0->general_int_mask);
                                        return IRQ_HANDLED;
                                }
                                clear_bit(0, (&sp->tasklet_status));
@@ -3939,7 +4374,7 @@ static irqreturn_t s2io_isr(int irq, void *dev_id, struct pt_regs *regs)
                }
        }
 #endif
-
+       writeq(org_mask, &bar0->general_int_mask);
        atomic_dec(&sp->isr_cnt);
        return IRQ_HANDLED;
 }
@@ -5132,7 +5567,6 @@ static void s2io_get_ethtool_stats(struct net_device *dev,
        int i = 0;
        nic_t *sp = dev->priv;
        StatInfo_t *stat_info = sp->mac_control.stats_info;
-       u64 tmp;
 
        s2io_updt_stats(sp);
        tmp_stats[i++] =
@@ -5149,9 +5583,19 @@ static void s2io_get_ethtool_stats(struct net_device *dev,
                (u64)le32_to_cpu(stat_info->tmac_bcst_frms_oflow) << 32 |
                le32_to_cpu(stat_info->tmac_bcst_frms);
        tmp_stats[i++] = le64_to_cpu(stat_info->tmac_pause_ctrl_frms);
+        tmp_stats[i++] =
+                (u64)le32_to_cpu(stat_info->tmac_ttl_octets_oflow) << 32 |
+                le32_to_cpu(stat_info->tmac_ttl_octets);
+       tmp_stats[i++] =
+                (u64)le32_to_cpu(stat_info->tmac_ucst_frms_oflow) << 32 |
+                le32_to_cpu(stat_info->tmac_ucst_frms);
+       tmp_stats[i++] =
+                (u64)le32_to_cpu(stat_info->tmac_nucst_frms_oflow) << 32 |
+                le32_to_cpu(stat_info->tmac_nucst_frms);
        tmp_stats[i++] =
                (u64)le32_to_cpu(stat_info->tmac_any_err_frms_oflow) << 32 |
                le32_to_cpu(stat_info->tmac_any_err_frms);
+        tmp_stats[i++] = le64_to_cpu(stat_info->tmac_ttl_less_fb_octets);
        tmp_stats[i++] = le64_to_cpu(stat_info->tmac_vld_ip_octets);
        tmp_stats[i++] =
                (u64)le32_to_cpu(stat_info->tmac_vld_ip_oflow) << 32 |
@@ -5183,11 +5627,27 @@ static void s2io_get_ethtool_stats(struct net_device *dev,
                (u64)le32_to_cpu(stat_info->rmac_vld_bcst_frms_oflow) << 32 |
                le32_to_cpu(stat_info->rmac_vld_bcst_frms);
        tmp_stats[i++] = le32_to_cpu(stat_info->rmac_in_rng_len_err_frms);
+       tmp_stats[i++] = le32_to_cpu(stat_info->rmac_out_rng_len_err_frms);
        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_long_frms);
        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_pause_ctrl_frms);
+       tmp_stats[i++] = le64_to_cpu(stat_info->rmac_unsup_ctrl_frms);
+        tmp_stats[i++] =
+                (u64)le32_to_cpu(stat_info->rmac_ttl_octets_oflow) << 32 |
+               le32_to_cpu(stat_info->rmac_ttl_octets);
+        tmp_stats[i++] =
+                (u64)le32_to_cpu(stat_info->rmac_accepted_ucst_frms_oflow)
+               << 32 | le32_to_cpu(stat_info->rmac_accepted_ucst_frms);
+       tmp_stats[i++] =
+                (u64)le32_to_cpu(stat_info->rmac_accepted_nucst_frms_oflow)
+                 << 32 | le32_to_cpu(stat_info->rmac_accepted_nucst_frms);
        tmp_stats[i++] =
                (u64)le32_to_cpu(stat_info->rmac_discarded_frms_oflow) << 32 |
                le32_to_cpu(stat_info->rmac_discarded_frms);
+        tmp_stats[i++] =
+                (u64)le32_to_cpu(stat_info->rmac_drop_events_oflow)
+                 << 32 | le32_to_cpu(stat_info->rmac_drop_events);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_less_fb_octets);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_frms);
        tmp_stats[i++] =
                (u64)le32_to_cpu(stat_info->rmac_usized_frms_oflow) << 32 |
                le32_to_cpu(stat_info->rmac_usized_frms);
@@ -5200,40 +5660,129 @@ static void s2io_get_ethtool_stats(struct net_device *dev,
        tmp_stats[i++] =
                (u64)le32_to_cpu(stat_info->rmac_jabber_frms_oflow) << 32 |
                le32_to_cpu(stat_info->rmac_jabber_frms);
-       tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_ip_oflow) << 32 |
+       tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_64_frms);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_65_127_frms);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_128_255_frms);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_256_511_frms);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_512_1023_frms);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_1024_1518_frms);
+       tmp_stats[i++] =
+               (u64)le32_to_cpu(stat_info->rmac_ip_oflow) << 32 |
                le32_to_cpu(stat_info->rmac_ip);
        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ip_octets);
        tmp_stats[i++] = le32_to_cpu(stat_info->rmac_hdr_err_ip);
-       tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_drop_ip_oflow) << 32 |
+       tmp_stats[i++] =
+               (u64)le32_to_cpu(stat_info->rmac_drop_ip_oflow) << 32 |
                le32_to_cpu(stat_info->rmac_drop_ip);
-       tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_icmp_oflow) << 32 |
+       tmp_stats[i++] =
+               (u64)le32_to_cpu(stat_info->rmac_icmp_oflow) << 32 |
                le32_to_cpu(stat_info->rmac_icmp);
        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_tcp);
-       tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_udp_oflow) << 32 |
+       tmp_stats[i++] =
+               (u64)le32_to_cpu(stat_info->rmac_udp_oflow) << 32 |
                le32_to_cpu(stat_info->rmac_udp);
        tmp_stats[i++] =
                (u64)le32_to_cpu(stat_info->rmac_err_drp_udp_oflow) << 32 |
                le32_to_cpu(stat_info->rmac_err_drp_udp);
+       tmp_stats[i++] = le64_to_cpu(stat_info->rmac_xgmii_err_sym);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q0);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q1);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q2);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q3);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q4);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q5);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q6);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q7);
+        tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q0);
+        tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q1);
+        tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q2);
+        tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q3);
+        tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q4);
+        tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q5);
+        tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q6);
+        tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q7);
        tmp_stats[i++] =
                (u64)le32_to_cpu(stat_info->rmac_pause_cnt_oflow) << 32 |
                le32_to_cpu(stat_info->rmac_pause_cnt);
+       tmp_stats[i++] = le64_to_cpu(stat_info->rmac_xgmii_data_err_cnt);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_xgmii_ctrl_err_cnt);
        tmp_stats[i++] =
                (u64)le32_to_cpu(stat_info->rmac_accepted_ip_oflow) << 32 |
                le32_to_cpu(stat_info->rmac_accepted_ip);
        tmp_stats[i++] = le32_to_cpu(stat_info->rmac_err_tcp);
+       tmp_stats[i++] = le32_to_cpu(stat_info->rd_req_cnt);
+       tmp_stats[i++] = le32_to_cpu(stat_info->new_rd_req_cnt);
+       tmp_stats[i++] = le32_to_cpu(stat_info->new_rd_req_rtry_cnt);
+       tmp_stats[i++] = le32_to_cpu(stat_info->rd_rtry_cnt);
+       tmp_stats[i++] = le32_to_cpu(stat_info->wr_rtry_rd_ack_cnt);
+       tmp_stats[i++] = le32_to_cpu(stat_info->wr_req_cnt);
+       tmp_stats[i++] = le32_to_cpu(stat_info->new_wr_req_cnt);
+       tmp_stats[i++] = le32_to_cpu(stat_info->new_wr_req_rtry_cnt);
+       tmp_stats[i++] = le32_to_cpu(stat_info->wr_rtry_cnt);
+       tmp_stats[i++] = le32_to_cpu(stat_info->wr_disc_cnt);
+       tmp_stats[i++] = le32_to_cpu(stat_info->rd_rtry_wr_ack_cnt);
+       tmp_stats[i++] = le32_to_cpu(stat_info->txp_wr_cnt);
+       tmp_stats[i++] = le32_to_cpu(stat_info->txd_rd_cnt);
+       tmp_stats[i++] = le32_to_cpu(stat_info->txd_wr_cnt);
+       tmp_stats[i++] = le32_to_cpu(stat_info->rxd_rd_cnt);
+       tmp_stats[i++] = le32_to_cpu(stat_info->rxd_wr_cnt);
+       tmp_stats[i++] = le32_to_cpu(stat_info->txf_rd_cnt);
+       tmp_stats[i++] = le32_to_cpu(stat_info->rxf_wr_cnt);
+       tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_1519_4095_frms);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_4096_8191_frms);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_8192_max_frms);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_gt_max_frms);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_osized_alt_frms);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_jabber_alt_frms);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_gt_max_alt_frms);
+        tmp_stats[i++] = le64_to_cpu(stat_info->rmac_vlan_frms);
+        tmp_stats[i++] = le32_to_cpu(stat_info->rmac_len_discard);
+        tmp_stats[i++] = le32_to_cpu(stat_info->rmac_fcs_discard);
+        tmp_stats[i++] = le32_to_cpu(stat_info->rmac_pf_discard);
+        tmp_stats[i++] = le32_to_cpu(stat_info->rmac_da_discard);
+        tmp_stats[i++] = le32_to_cpu(stat_info->rmac_red_discard);
+        tmp_stats[i++] = le32_to_cpu(stat_info->rmac_rts_discard);
+        tmp_stats[i++] = le32_to_cpu(stat_info->rmac_ingm_full_discard);
+        tmp_stats[i++] = le32_to_cpu(stat_info->link_fault_cnt);
        tmp_stats[i++] = 0;
        tmp_stats[i++] = stat_info->sw_stat.single_ecc_errs;
        tmp_stats[i++] = stat_info->sw_stat.double_ecc_errs;
+       tmp_stats[i++] = stat_info->sw_stat.parity_err_cnt;
+       tmp_stats[i++] = stat_info->sw_stat.serious_err_cnt;
+       tmp_stats[i++] = stat_info->sw_stat.soft_reset_cnt;
+       tmp_stats[i++] = stat_info->sw_stat.fifo_full_cnt;
+       tmp_stats[i++] = stat_info->sw_stat.ring_full_cnt;
+       tmp_stats[i++] = stat_info->xpak_stat.alarm_transceiver_temp_high;
+       tmp_stats[i++] = stat_info->xpak_stat.alarm_transceiver_temp_low;
+       tmp_stats[i++] = stat_info->xpak_stat.alarm_laser_bias_current_high;
+       tmp_stats[i++] = stat_info->xpak_stat.alarm_laser_bias_current_low;
+       tmp_stats[i++] = stat_info->xpak_stat.alarm_laser_output_power_high;
+       tmp_stats[i++] = stat_info->xpak_stat.alarm_laser_output_power_low;
+       tmp_stats[i++] = stat_info->xpak_stat.warn_transceiver_temp_high;
+       tmp_stats[i++] = stat_info->xpak_stat.warn_transceiver_temp_low;
+       tmp_stats[i++] = stat_info->xpak_stat.warn_laser_bias_current_high;
+       tmp_stats[i++] = stat_info->xpak_stat.warn_laser_bias_current_low;
+       tmp_stats[i++] = stat_info->xpak_stat.warn_laser_output_power_high;
+       tmp_stats[i++] = stat_info->xpak_stat.warn_laser_output_power_low;
        tmp_stats[i++] = stat_info->sw_stat.clubbed_frms_cnt;
        tmp_stats[i++] = stat_info->sw_stat.sending_both;
        tmp_stats[i++] = stat_info->sw_stat.outof_sequence_pkts;
        tmp_stats[i++] = stat_info->sw_stat.flush_max_pkts;
-       tmp = 0;
        if (stat_info->sw_stat.num_aggregations) {
-               tmp = stat_info->sw_stat.sum_avg_pkts_aggregated;
-               do_div(tmp, stat_info->sw_stat.num_aggregations);
+               u64 tmp = stat_info->sw_stat.sum_avg_pkts_aggregated;
+               int count = 0;
+               /* 
+                * Since 64-bit divide does not work on all platforms,
+                * do repeated subtraction.
+                */
+               while (tmp >= stat_info->sw_stat.num_aggregations) {
+                       tmp -= stat_info->sw_stat.num_aggregations;
+                       count++;
+               }
+               tmp_stats[i++] = count;
        }
-       tmp_stats[i++] = tmp;
+       else
+               tmp_stats[i++] = 0;
 }
 
 static int s2io_ethtool_get_regs_len(struct net_device *dev)
@@ -5509,6 +6058,165 @@ static void s2io_set_link(unsigned long data)
        clear_bit(0, &(nic->link_state));
 }
 
+static int set_rxd_buffer_pointer(nic_t *sp, RxD_t *rxdp, buffAdd_t *ba,
+                          struct sk_buff **skb, u64 *temp0, u64 *temp1,
+                          u64 *temp2, int size)
+{
+       struct net_device *dev = sp->dev;
+       struct sk_buff *frag_list;
+
+       if ((sp->rxd_mode == RXD_MODE_1) && (rxdp->Host_Control == 0)) {
+               /* allocate skb */
+               if (*skb) {
+                       DBG_PRINT(INFO_DBG, "SKB is not NULL\n");
+                       /*
+                        * As Rx frame are not going to be processed,
+                        * using same mapped address for the Rxd
+                        * buffer pointer
+                        */
+                       ((RxD1_t*)rxdp)->Buffer0_ptr = *temp0;
+               } else {
+                       *skb = dev_alloc_skb(size);
+                       if (!(*skb)) {
+                               DBG_PRINT(ERR_DBG, "%s: Out of ", dev->name);
+                               DBG_PRINT(ERR_DBG, "memory to allocate SKBs\n");
+                               return -ENOMEM ;
+                       }
+                       /* storing the mapped addr in a temp variable
+                        * such it will be used for next rxd whose
+                        * Host Control is NULL
+                        */
+                       ((RxD1_t*)rxdp)->Buffer0_ptr = *temp0 =
+                               pci_map_single( sp->pdev, (*skb)->data,
+                                       size - NET_IP_ALIGN,
+                                       PCI_DMA_FROMDEVICE);
+                       rxdp->Host_Control = (unsigned long) (*skb);
+               }
+       } else if ((sp->rxd_mode == RXD_MODE_3B) && (rxdp->Host_Control == 0)) {
+               /* Two buffer Mode */
+               if (*skb) {
+                       ((RxD3_t*)rxdp)->Buffer2_ptr = *temp2;
+                       ((RxD3_t*)rxdp)->Buffer0_ptr = *temp0;
+                       ((RxD3_t*)rxdp)->Buffer1_ptr = *temp1;
+               } else {
+                       *skb = dev_alloc_skb(size);
+                       ((RxD3_t*)rxdp)->Buffer2_ptr = *temp2 =
+                               pci_map_single(sp->pdev, (*skb)->data,
+                                              dev->mtu + 4,
+                                              PCI_DMA_FROMDEVICE);
+                       ((RxD3_t*)rxdp)->Buffer0_ptr = *temp0 =
+                               pci_map_single( sp->pdev, ba->ba_0, BUF0_LEN,
+                                               PCI_DMA_FROMDEVICE);
+                       rxdp->Host_Control = (unsigned long) (*skb);
+
+                       /* Buffer-1 will be dummy buffer not used */
+                       ((RxD3_t*)rxdp)->Buffer1_ptr = *temp1 =
+                               pci_map_single(sp->pdev, ba->ba_1, BUF1_LEN,
+                                              PCI_DMA_FROMDEVICE);
+               }
+       } else if ((rxdp->Host_Control == 0)) {
+               /* Three buffer mode */
+               if (*skb) {
+                       ((RxD3_t*)rxdp)->Buffer0_ptr = *temp0;
+                       ((RxD3_t*)rxdp)->Buffer1_ptr = *temp1;
+                       ((RxD3_t*)rxdp)->Buffer2_ptr = *temp2;
+               } else {
+                       *skb = dev_alloc_skb(size);
+
+                       ((RxD3_t*)rxdp)->Buffer0_ptr = *temp0 =
+                               pci_map_single(sp->pdev, ba->ba_0, BUF0_LEN,
+                                              PCI_DMA_FROMDEVICE);
+                       /* Buffer-1 receives L3/L4 headers */
+                       ((RxD3_t*)rxdp)->Buffer1_ptr = *temp1 =
+                               pci_map_single( sp->pdev, (*skb)->data,
+                                               l3l4hdr_size + 4,
+                                               PCI_DMA_FROMDEVICE);
+                       /*
+                        * skb_shinfo(skb)->frag_list will have L4
+                        * data payload
+                        */
+                       skb_shinfo(*skb)->frag_list = dev_alloc_skb(dev->mtu +
+                                                                  ALIGN_SIZE);
+                       if (skb_shinfo(*skb)->frag_list == NULL) {
+                               DBG_PRINT(ERR_DBG, "%s: dev_alloc_skb \
+                                         failed\n ", dev->name);
+                               return -ENOMEM ;
+                       }
+                       frag_list = skb_shinfo(*skb)->frag_list;
+                       frag_list->next = NULL;
+                       /*
+                        * Buffer-2 receives L4 data payload
+                        */
+                       ((RxD3_t*)rxdp)->Buffer2_ptr = *temp2 =
+                               pci_map_single( sp->pdev, frag_list->data,
+                                               dev->mtu, PCI_DMA_FROMDEVICE);
+               }
+       }
+       return 0;
+}
+static void set_rxd_buffer_size(nic_t *sp, RxD_t *rxdp, int size)
+{
+       struct net_device *dev = sp->dev;
+       if (sp->rxd_mode == RXD_MODE_1) {
+               rxdp->Control_2 = SET_BUFFER0_SIZE_1( size - NET_IP_ALIGN);
+       } else if (sp->rxd_mode == RXD_MODE_3B) {
+               rxdp->Control_2 = SET_BUFFER0_SIZE_3(BUF0_LEN);
+               rxdp->Control_2 |= SET_BUFFER1_SIZE_3(1);
+               rxdp->Control_2 |= SET_BUFFER2_SIZE_3( dev->mtu + 4);
+       } else {
+               rxdp->Control_2 = SET_BUFFER0_SIZE_3(BUF0_LEN);
+               rxdp->Control_2 |= SET_BUFFER1_SIZE_3(l3l4hdr_size + 4);
+               rxdp->Control_2 |= SET_BUFFER2_SIZE_3(dev->mtu);
+       }
+}
+
+static  int rxd_owner_bit_reset(nic_t *sp)
+{
+       int i, j, k, blk_cnt = 0, size;
+       mac_info_t * mac_control = &sp->mac_control;
+       struct config_param *config = &sp->config;
+       struct net_device *dev = sp->dev;
+       RxD_t *rxdp = NULL;
+       struct sk_buff *skb = NULL;
+       buffAdd_t *ba = NULL;
+       u64 temp0_64 = 0, temp1_64 = 0, temp2_64 = 0;
+
+       /* Calculate the size based on ring mode */
+       size = dev->mtu + HEADER_ETHERNET_II_802_3_SIZE +
+               HEADER_802_2_SIZE + HEADER_SNAP_SIZE;
+       if (sp->rxd_mode == RXD_MODE_1)
+               size += NET_IP_ALIGN;
+       else if (sp->rxd_mode == RXD_MODE_3B)
+               size = dev->mtu + ALIGN_SIZE + BUF0_LEN + 4;
+       else
+               size = l3l4hdr_size + ALIGN_SIZE + BUF0_LEN + 4;
+
+       for (i = 0; i < config->rx_ring_num; i++) {
+               blk_cnt = config->rx_cfg[i].num_rxd /
+                       (rxd_count[sp->rxd_mode] +1);
+
+               for (j = 0; j < blk_cnt; j++) {
+                       for (k = 0; k < rxd_count[sp->rxd_mode]; k++) {
+                               rxdp = mac_control->rings[i].
+                                       rx_blocks[j].rxds[k].virt_addr;
+                               if(sp->rxd_mode >= RXD_MODE_3A)
+                                       ba = &mac_control->rings[i].ba[j][k];
+                               set_rxd_buffer_pointer(sp, rxdp, ba,
+                                                      &skb,(u64 *)&temp0_64,
+                                                      (u64 *)&temp1_64,
+                                                      (u64 *)&temp2_64, size);
+
+                               set_rxd_buffer_size(sp, rxdp, size);
+                               wmb();
+                               /* flip the Ownership bit to Hardware */
+                               rxdp->Control_1 |= RXD_OWN_XENA;
+                       }
+               }
+       }
+       return 0;
+
+}
+
 static void s2io_card_down(nic_t * sp, int flag)
 {
        int cnt = 0;
@@ -5562,6 +6270,15 @@ static void s2io_card_down(nic_t * sp, int flag)
 
        /* Check if the device is Quiescent and then Reset the NIC */
        do {
+               /* As per the HW requirement we need to replenish the
+                * receive buffer to avoid the ring bump. Since there is
+                * no intention of processing the Rx frame at this pointwe are
+                * just settting the ownership bit of rxd in Each Rx
+                * ring to HW and set the appropriate buffer size
+                * based on the ring mode
+                */
+               rxd_owner_bit_reset(sp);
+
                val64 = readq(&bar0->adapter_status);
                if (verify_xena_quiescence(sp, val64, sp->device_enabled_once)) {
                        break;
@@ -5709,6 +6426,7 @@ static void s2io_tx_watchdog(struct net_device *dev)
 
        if (netif_carrier_ok(dev)) {
                schedule_work(&sp->rst_timer_task);
+               sp->mac_control.stats_info->sw_stat.soft_reset_cnt++;
        }
 }
 
@@ -5743,6 +6461,11 @@ static int rx_osm_handler(ring_info_t *ring_data, RxD_t * rxdp)
        skb->dev = dev;
 
        if (err) {
+               /* Check for parity error */
+               if (err & 0x1) {
+                       sp->mac_control.stats_info->sw_stat.parity_err_cnt++;
+               }
+
                /*
                * Drop the packet if bad transfer code. Exception being
                * 0x5, which could be due to unsupported IPv6 extension header.
@@ -6288,6 +7011,10 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre)
        dev->weight = 32;
 #endif
 
+#ifdef CONFIG_NET_POLL_CONTROLLER
+       dev->poll_controller = s2io_netpoll;
+#endif
+
        dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
        if (sp->high_dma_flag == TRUE)
                dev->features |= NETIF_F_HIGHDMA;