jme: Cleanup PM operations after using new PM API
[jme.git] / jme.c
diff --git a/jme.c b/jme.c
index 100a662..6b2a5e7 100644 (file)
--- a/jme.c
+++ b/jme.c
@@ -3,6 +3,9 @@
  *
  * Copyright 2008 JMicron Technology Corporation
  * http://www.jmicron.com/
+ * Copyright (c) 2009 - 2010 Guo-Fu Tseng <cooldavid@cooldavid.org>
+ *
+ * Author: Guo-Fu Tseng <cooldavid@cooldavid.org>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  *
  */
 
-/*
- * Timeline before release:
- *     Stage 1: Basic Performance / Capbility fine tune.
- *     -  Implement PCC -- Dynamic adjustment.
- *     -  Use NAPI instead of rx_tasklet?
- *             PCC Support Both Packet Counter and Timeout Interrupt for
- *             receive and transmit complete, does NAPI really needed?
- *             I'll add NAPI support anyway..
- *             For CPU busy and heavy network loading system..
- *     -  Try setting 64bit DMA with pci_set[_consistent]_dma_mask
- *        and set netdev feature flag.
- *        (Need to modity transmit descriptor filling policy as well)
- *      -  Use pci_map_page instead of pci_map_single for HIGHMEM support
- *
- *     Stage 2: Error handling.
- *     -  Wathch dog
- *     -  Transmit timeout
- *
- *     Stage 3: Basic offloading support.
- *      -  Implement scatter-gather offloading.
- *         A system page per RX (buffer|descriptor)?
- *        Handle fraged sk_buff to TX descriptors.
- *     -  Implement tx/rx ipv6/ip/tcp/udp checksum offloading
- *
- *     Stage 4: Basic feature support.
- *     -  Implement Power Managemt related functions.
- *     -  Implement Jumboframe.
- *     -  Implement MSI.
- *
- *     Stage 5: Advanced offloading support.
- *     -  Implement VLAN offloading.
- *     -  Implement TCP Segement offloading.
- *
- *     Stage 6: CPU Load balancing.
- *     -  Implement MSI-X.
- *        Along with multiple RX queue, for CPU load balancing.
- *     -  Use Multiple TX Queue for Multiple CPU Transmit
- *        Simultaneously Without Lock.
- *
- *     Stage 7:
- *     -  Cleanup/re-orginize code, performence tuneing(alignment etc...).
- *     -  Test and Release 1.0
- */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/pci.h>
 #include <linux/mii.h>
 #include <linux/crc32.h>
 #include <linux/delay.h>
+#include <linux/spinlock.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/tcp.h>
+#include <linux/udp.h>
+#include <linux/if_vlan.h>
+#include <linux/slab.h>
+#include <net/ip6_checksum.h>
 #include "jme.h"
 
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21)
-static struct net_device_stats *jme_get_stats(struct net_device *netdev)
+static int force_pseudohp = -1;
+static int no_pseudohp = -1;
+static int no_extplug = -1;
+module_param(force_pseudohp, int, 0);
+MODULE_PARM_DESC(force_pseudohp,
+       "Enable pseudo hot-plug feature manually by driver instead of BIOS.");
+module_param(no_pseudohp, int, 0);
+MODULE_PARM_DESC(no_pseudohp, "Disable pseudo hot-plug feature.");
+module_param(no_extplug, int, 0);
+MODULE_PARM_DESC(no_extplug,
+       "Do not use external plug signal for pseudo hot-plug.");
+
+static int
+jme_mdio_read(struct net_device *netdev, int phy, int reg)
 {
        struct jme_adapter *jme = netdev_priv(netdev);
-       return &jme->stats;
+       int i, val, again = (reg == MII_BMSR) ? 1 : 0;
+
+read_again:
+       jwrite32(jme, JME_SMI, SMI_OP_REQ |
+                               smi_phy_addr(phy) |
+                               smi_reg_addr(reg));
+
+       wmb();
+       for (i = JME_PHY_TIMEOUT * 50 ; i > 0 ; --i) {
+               udelay(20);
+               val = jread32(jme, JME_SMI);
+               if ((val & SMI_OP_REQ) == 0)
+                       break;
+       }
+
+       if (i == 0) {
+               pr_err("phy(%d) read timeout : %d\n", phy, reg);
+               return 0;
+       }
+
+       if (again--)
+               goto read_again;
+
+       return (val & SMI_DATA_MASK) >> SMI_DATA_SHIFT;
 }
-#endif
 
-static int jme_mdio_read(struct net_device *netdev, int phy, int reg)
+static void
+jme_mdio_write(struct net_device *netdev,
+                               int phy, int reg, int val)
 {
        struct jme_adapter *jme = netdev_priv(netdev);
-       int i, val;
+       int i;
 
-        jwrite32(jme, JME_SMI, SMI_OP_REQ |
-                                smi_phy_addr(phy) |
-                                smi_reg_addr(reg));
+       jwrite32(jme, JME_SMI, SMI_OP_WRITE | SMI_OP_REQ |
+               ((val << SMI_DATA_SHIFT) & SMI_DATA_MASK) |
+               smi_phy_addr(phy) | smi_reg_addr(reg));
 
        wmb();
-        for (i = JME_PHY_TIMEOUT; i > 0; --i) {
-                udelay(1);
-                if (((val = jread32(jme, JME_SMI)) & SMI_OP_REQ) == 0)
-                        break;
-        }
+       for (i = JME_PHY_TIMEOUT * 50 ; i > 0 ; --i) {
+               udelay(20);
+               if ((jread32(jme, JME_SMI) & SMI_OP_REQ) == 0)
+                       break;
+       }
 
-        if (i == 0) {
-                jeprintk(netdev->name, "phy read timeout : %d\n", reg);
-                return (0);
-        }
+       if (i == 0)
+               pr_err("phy(%d) write timeout : %d\n", phy, reg);
+}
 
-        return ((val & SMI_DATA_MASK) >> SMI_DATA_SHIFT);
+static inline void
+jme_reset_phy_processor(struct jme_adapter *jme)
+{
+       u32 val;
+
+       jme_mdio_write(jme->dev,
+                       jme->mii_if.phy_id,
+                       MII_ADVERTISE, ADVERTISE_ALL |
+                       ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
+
+       if (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC250)
+               jme_mdio_write(jme->dev,
+                               jme->mii_if.phy_id,
+                               MII_CTRL1000,
+                               ADVERTISE_1000FULL | ADVERTISE_1000HALF);
+
+       val = jme_mdio_read(jme->dev,
+                               jme->mii_if.phy_id,
+                               MII_BMCR);
+
+       jme_mdio_write(jme->dev,
+                       jme->mii_if.phy_id,
+                       MII_BMCR, val | BMCR_RESET);
 }
 
-static void jme_mdio_write(struct net_device *netdev, int phy, int reg, int val)
+static void
+jme_setup_wakeup_frame(struct jme_adapter *jme,
+                      const u32 *mask, u32 crc, int fnr)
 {
-       struct jme_adapter *jme = netdev_priv(netdev);
        int i;
 
-        jwrite32(jme, JME_SMI, SMI_OP_WRITE | SMI_OP_REQ |
-            ((val << SMI_DATA_SHIFT) & SMI_DATA_MASK) |
-            smi_phy_addr(phy) | smi_reg_addr(reg));
-
+       /*
+        * Setup CRC pattern
+        */
+       jwrite32(jme, JME_WFOI, WFOI_CRC_SEL | (fnr & WFOI_FRAME_SEL));
        wmb();
-        for (i = JME_PHY_TIMEOUT; i > 0; --i)
-       {
-                udelay(1);
-                if (((val = jread32(jme, JME_SMI)) & SMI_OP_REQ) == 0)
-                        break;
-        }
+       jwrite32(jme, JME_WFODP, crc);
+       wmb();
+
+       /*
+        * Setup Mask
+        */
+       for (i = 0 ; i < WAKEUP_FRAME_MASK_DWNR ; ++i) {
+               jwrite32(jme, JME_WFOI,
+                               ((i << WFOI_MASK_SHIFT) & WFOI_MASK_SEL) |
+                               (fnr & WFOI_FRAME_SEL));
+               wmb();
+               jwrite32(jme, JME_WFODP, mask[i]);
+               wmb();
+       }
+}
+
+static inline void
+jme_mac_rxclk_off(struct jme_adapter *jme)
+{
+       jme->reg_gpreg1 |= GPREG1_RXCLKOFF;
+       jwrite32f(jme, JME_GPREG1, jme->reg_gpreg1);
+}
+
+static inline void
+jme_mac_rxclk_on(struct jme_adapter *jme)
+{
+       jme->reg_gpreg1 &= ~GPREG1_RXCLKOFF;
+       jwrite32f(jme, JME_GPREG1, jme->reg_gpreg1);
+}
+
+static inline void
+jme_mac_txclk_off(struct jme_adapter *jme)
+{
+       jme->reg_ghc &= ~(GHC_TO_CLK_SRC | GHC_TXMAC_CLK_SRC);
+       jwrite32f(jme, JME_GHC, jme->reg_ghc);
+}
+
+static inline void
+jme_mac_txclk_on(struct jme_adapter *jme)
+{
+       u32 speed = jme->reg_ghc & GHC_SPEED;
+       if (speed == GHC_SPEED_1000M)
+               jme->reg_ghc |= GHC_TO_CLK_GPHY | GHC_TXMAC_CLK_GPHY;
+       else
+               jme->reg_ghc |= GHC_TO_CLK_PCIE | GHC_TXMAC_CLK_PCIE;
+       jwrite32f(jme, JME_GHC, jme->reg_ghc);
+}
+
+static inline void
+jme_reset_ghc_speed(struct jme_adapter *jme)
+{
+       jme->reg_ghc &= ~(GHC_SPEED | GHC_DPX);
+       jwrite32f(jme, JME_GHC, jme->reg_ghc);
+}
+
+static inline void
+jme_reset_250A2_workaround(struct jme_adapter *jme)
+{
+       jme->reg_gpreg1 &= ~(GPREG1_HALFMODEPATCH |
+                            GPREG1_RSSPATCH);
+       jwrite32(jme, JME_GPREG1, jme->reg_gpreg1);
+}
 
-        if (i == 0)
-                jeprintk(netdev->name, "phy write timeout : %d\n", reg);
+static inline void
+jme_assert_ghc_reset(struct jme_adapter *jme)
+{
+       jme->reg_ghc |= GHC_SWRST;
+       jwrite32f(jme, JME_GHC, jme->reg_ghc);
+}
 
-        return;
+static inline void
+jme_clear_ghc_reset(struct jme_adapter *jme)
+{
+       jme->reg_ghc &= ~GHC_SWRST;
+       jwrite32f(jme, JME_GHC, jme->reg_ghc);
 }
 
-static void jme_reset_mac_processor(struct jme_adapter *jme)
+static inline void
+jme_reset_mac_processor(struct jme_adapter *jme)
 {
-       __u32 val;
+       static const u32 mask[WAKEUP_FRAME_MASK_DWNR] = {0, 0, 0, 0};
+       u32 crc = 0xCDCDCDCD;
+       u32 gpreg0;
+       int i;
+
+       jme_reset_ghc_speed(jme);
+       jme_reset_250A2_workaround(jme);
+
+       jme_mac_rxclk_on(jme);
+       jme_mac_txclk_on(jme);
+       udelay(1);
+       jme_assert_ghc_reset(jme);
+       udelay(1);
+       jme_mac_rxclk_off(jme);
+       jme_mac_txclk_off(jme);
+       udelay(1);
+       jme_clear_ghc_reset(jme);
+       udelay(1);
+       jme_mac_rxclk_on(jme);
+       jme_mac_txclk_on(jme);
+       udelay(1);
+       jme_mac_rxclk_off(jme);
+       jme_mac_txclk_off(jme);
+
+       jwrite32(jme, JME_RXDBA_LO, 0x00000000);
+       jwrite32(jme, JME_RXDBA_HI, 0x00000000);
+       jwrite32(jme, JME_RXQDC, 0x00000000);
+       jwrite32(jme, JME_RXNDA, 0x00000000);
+       jwrite32(jme, JME_TXDBA_LO, 0x00000000);
+       jwrite32(jme, JME_TXDBA_HI, 0x00000000);
+       jwrite32(jme, JME_TXQDC, 0x00000000);
+       jwrite32(jme, JME_TXNDA, 0x00000000);
 
-       val = jread32(jme, JME_GHC);
-       val |= GHC_SWRST;
-       jwrite32(jme, JME_GHC, val);
-       udelay(2);
-       val &= ~GHC_SWRST;
-       jwrite32(jme, JME_GHC, val);
        jwrite32(jme, JME_RXMCHT_LO, 0x00000000);
        jwrite32(jme, JME_RXMCHT_HI, 0x00000000);
-       jwrite32(jme, JME_WFODP, 0);
-       jwrite32(jme, JME_WFOI, 0);
-       jwrite32(jme, JME_GPREG0, GPREG0_DEFAULT);
-       jwrite32(jme, JME_GPREG1, 0);
+       for (i = 0 ; i < WAKEUP_FRAME_NR ; ++i)
+               jme_setup_wakeup_frame(jme, mask, crc, i);
+       if (jme->fpgaver)
+               gpreg0 = GPREG0_DEFAULT | GPREG0_LNKINTPOLL;
+       else
+               gpreg0 = GPREG0_DEFAULT;
+       jwrite32(jme, JME_GPREG0, gpreg0);
 }
 
-__always_inline static void jme_clear_pm(struct jme_adapter *jme)
+static inline void
+jme_clear_pm(struct jme_adapter *jme)
 {
-       jwrite32(jme, JME_PMCS, 0xFFFF0000);
-       pci_set_power_state(jme->pdev, PCI_D0);
+       jwrite32(jme, JME_PMCS, PMCS_STMASK | jme->reg_pmcs);
 }
 
-static int jme_reload_eeprom(struct jme_adapter *jme)
+static int
+jme_reload_eeprom(struct jme_adapter *jme)
 {
-       __u32 val;
+       u32 val;
        int i;
 
        val = jread32(jme, JME_SMBCSR);
 
-       if(val & SMBCSR_EEPROMD)
-       {
+       if (val & SMBCSR_EEPROMD) {
                val |= SMBCSR_CNACK;
                jwrite32(jme, JME_SMBCSR, val);
                val |= SMBCSR_RELOAD;
                jwrite32(jme, JME_SMBCSR, val);
                mdelay(12);
 
-               for (i = JME_SMB_TIMEOUT; i > 0; --i)
-               {
+               for (i = JME_EEPROM_RELOAD_TIMEOUT; i > 0; --i) {
                        mdelay(1);
                        if ((jread32(jme, JME_SMBCSR) & SMBCSR_RELOAD) == 0)
                                break;
                }
 
-               if(i == 0) {
-                       jeprintk(jme->dev->name, "eeprom reload timeout\n");
+               if (i == 0) {
+                       pr_err("eeprom reload timeout\n");
                        return -EIO;
                }
        }
-       else
-               return -EIO;
-       
+
        return 0;
 }
 
-__always_inline static void jme_load_macaddr(struct net_device *netdev)
+static void
+jme_load_macaddr(struct net_device *netdev)
 {
        struct jme_adapter *jme = netdev_priv(netdev);
        unsigned char macaddr[6];
-       __u32 val;
+       u32 val;
 
+       spin_lock_bh(&jme->macaddr_lock);
        val = jread32(jme, JME_RXUMA_LO);
        macaddr[0] = (val >>  0) & 0xFF;
        macaddr[1] = (val >>  8) & 0xFF;
@@ -201,1082 +320,2576 @@ __always_inline static void jme_load_macaddr(struct net_device *netdev)
        val = jread32(jme, JME_RXUMA_HI);
        macaddr[4] = (val >>  0) & 0xFF;
        macaddr[5] = (val >>  8) & 0xFF;
-        memcpy(netdev->dev_addr, macaddr, 6);
+       memcpy(netdev->dev_addr, macaddr, 6);
+       spin_unlock_bh(&jme->macaddr_lock);
+}
+
+static inline void
+jme_set_rx_pcc(struct jme_adapter *jme, int p)
+{
+       switch (p) {
+       case PCC_OFF:
+               jwrite32(jme, JME_PCCRX0,
+                       ((PCC_OFF_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) |
+                       ((PCC_OFF_CNT << PCCRX_SHIFT) & PCCRX_MASK));
+               break;
+       case PCC_P1:
+               jwrite32(jme, JME_PCCRX0,
+                       ((PCC_P1_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) |
+                       ((PCC_P1_CNT << PCCRX_SHIFT) & PCCRX_MASK));
+               break;
+       case PCC_P2:
+               jwrite32(jme, JME_PCCRX0,
+                       ((PCC_P2_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) |
+                       ((PCC_P2_CNT << PCCRX_SHIFT) & PCCRX_MASK));
+               break;
+       case PCC_P3:
+               jwrite32(jme, JME_PCCRX0,
+                       ((PCC_P3_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) |
+                       ((PCC_P3_CNT << PCCRX_SHIFT) & PCCRX_MASK));
+               break;
+       default:
+               break;
+       }
+       wmb();
+
+       if (!(test_bit(JME_FLAG_POLL, &jme->flags)))
+               netif_info(jme, rx_status, jme->dev, "Switched to PCC_P%d\n", p);
 }
 
-__always_inline static void jme_start_irq(struct jme_adapter *jme)
+static void
+jme_start_irq(struct jme_adapter *jme)
 {
+       register struct dynpcc_info *dpi = &(jme->dpi);
+
+       jme_set_rx_pcc(jme, PCC_P1);
+       dpi->cur                = PCC_P1;
+       dpi->attempt            = PCC_P1;
+       dpi->cnt                = 0;
+
+       jwrite32(jme, JME_PCCTX,
+                       ((PCC_TX_TO << PCCTXTO_SHIFT) & PCCTXTO_MASK) |
+                       ((PCC_TX_CNT << PCCTX_SHIFT) & PCCTX_MASK) |
+                       PCCTXQ0_EN
+               );
+
        /*
         * Enable Interrupts
         */
        jwrite32(jme, JME_IENS, INTR_ENABLE);
 }
 
-__always_inline static void jme_stop_irq(struct jme_adapter *jme)
+static inline void
+jme_stop_irq(struct jme_adapter *jme)
 {
        /*
         * Disable Interrupts
         */
-       jwrite32(jme, JME_IENC, INTR_ENABLE);
+       jwrite32f(jme, JME_IENC, INTR_ENABLE);
 }
 
+static u32
+jme_linkstat_from_phy(struct jme_adapter *jme)
+{
+       u32 phylink, bmsr;
+
+       phylink = jme_mdio_read(jme->dev, jme->mii_if.phy_id, 17);
+       bmsr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMSR);
+       if (bmsr & BMSR_ANCOMP)
+               phylink |= PHY_LINK_AUTONEG_COMPLETE;
+
+       return phylink;
+}
 
-__always_inline static void jme_enable_shadow(struct jme_adapter *jme)
+static inline void
+jme_set_phyfifo_5level(struct jme_adapter *jme)
 {
-       jwrite32(jme,
-                JME_SHBA_LO,
-                ((__u32)jme->shadow_dma & ~((__u32)0x1F)) | SHBA_POSTEN);
+       jme_mdio_write(jme->dev, jme->mii_if.phy_id, 27, 0x0004);
 }
 
-__always_inline static void jme_disable_shadow(struct jme_adapter *jme)
+static inline void
+jme_set_phyfifo_8level(struct jme_adapter *jme)
 {
-       jwrite32(jme, JME_SHBA_LO, 0x0);
+       jme_mdio_write(jme->dev, jme->mii_if.phy_id, 27, 0x0000);
 }
 
-static void jme_check_link(struct net_device *netdev)
+static int
+jme_check_link(struct net_device *netdev, int testonly)
 {
        struct jme_adapter *jme = netdev_priv(netdev);
-       __u32 phylink, ghc, cnt = JME_AUTONEG_TIMEOUT;
-       char linkmsg[32];
+       u32 phylink, cnt = JME_SPDRSV_TIMEOUT, bmcr;
+       char linkmsg[64];
+       int rc = 0;
+
+       linkmsg[0] = '\0';
+
+       if (jme->fpgaver)
+               phylink = jme_linkstat_from_phy(jme);
+       else
+               phylink = jread32(jme, JME_PHY_LINK);
+
+       if (phylink & PHY_LINK_UP) {
+               if (!(phylink & PHY_LINK_AUTONEG_COMPLETE)) {
+                       /*
+                        * If we did not enable AN
+                        * Speed/Duplex Info should be obtained from SMI
+                        */
+                       phylink = PHY_LINK_UP;
+
+                       bmcr = jme_mdio_read(jme->dev,
+                                               jme->mii_if.phy_id,
+                                               MII_BMCR);
+
+                       phylink |= ((bmcr & BMCR_SPEED1000) &&
+                                       (bmcr & BMCR_SPEED100) == 0) ?
+                                       PHY_LINK_SPEED_1000M :
+                                       (bmcr & BMCR_SPEED100) ?
+                                       PHY_LINK_SPEED_100M :
+                                       PHY_LINK_SPEED_10M;
+
+                       phylink |= (bmcr & BMCR_FULLDPLX) ?
+                                        PHY_LINK_DUPLEX : 0;
+
+                       strcat(linkmsg, "Forced: ");
+               } else {
+                       /*
+                        * Keep polling for speed/duplex resolve complete
+                        */
+                       while (!(phylink & PHY_LINK_SPEEDDPU_RESOLVED) &&
+                               --cnt) {
 
-       phylink = jread32(jme, JME_PHY_LINK);
+                               udelay(1);
+
+                               if (jme->fpgaver)
+                                       phylink = jme_linkstat_from_phy(jme);
+                               else
+                                       phylink = jread32(jme, JME_PHY_LINK);
+                       }
+                       if (!cnt)
+                               pr_err("Waiting speed resolve timeout\n");
+
+                       strcat(linkmsg, "ANed: ");
+               }
+
+               if (jme->phylink == phylink) {
+                       rc = 1;
+                       goto out;
+               }
+               if (testonly)
+                       goto out;
+
+               jme->phylink = phylink;
 
-        if (phylink & PHY_LINK_UP) {
                /*
-                * Keep polling for autoneg complete
+                * The speed/duplex setting of jme->reg_ghc already cleared
+                * by jme_reset_mac_processor()
                 */
-               while(!(phylink & PHY_LINK_AUTONEG_COMPLETE) && --cnt > 0) {
-                       mdelay(1);
-                       phylink = jread32(jme, JME_PHY_LINK);
+               switch (phylink & PHY_LINK_SPEED_MASK) {
+               case PHY_LINK_SPEED_10M:
+                       jme->reg_ghc |= GHC_SPEED_10M;
+                       strcat(linkmsg, "10 Mbps, ");
+                       break;
+               case PHY_LINK_SPEED_100M:
+                       jme->reg_ghc |= GHC_SPEED_100M;
+                       strcat(linkmsg, "100 Mbps, ");
+                       break;
+               case PHY_LINK_SPEED_1000M:
+                       jme->reg_ghc |= GHC_SPEED_1000M;
+                       strcat(linkmsg, "1000 Mbps, ");
+                       break;
+               default:
+                       break;
+               }
+
+               if (phylink & PHY_LINK_DUPLEX) {
+                       jwrite32(jme, JME_TXMCS, TXMCS_DEFAULT);
+                       jwrite32(jme, JME_TXTRHD, TXTRHD_FULLDUPLEX);
+                       jme->reg_ghc |= GHC_DPX;
+               } else {
+                       jwrite32(jme, JME_TXMCS, TXMCS_DEFAULT |
+                                               TXMCS_BACKOFF |
+                                               TXMCS_CARRIERSENSE |
+                                               TXMCS_COLLISION);
+                       jwrite32(jme, JME_TXTRHD, TXTRHD_HALFDUPLEX);
                }
 
-               if(!cnt)
-                       jeprintk(netdev->name, "Waiting autoneg timeout.\n");
+               jwrite32(jme, JME_GHC, jme->reg_ghc);
 
-               switch(phylink & PHY_LINK_SPEED_MASK) {
+               if (is_buggy250(jme->pdev->device, jme->chiprev)) {
+                       jme->reg_gpreg1 &= ~(GPREG1_HALFMODEPATCH |
+                                            GPREG1_RSSPATCH);
+                       if (!(phylink & PHY_LINK_DUPLEX))
+                               jme->reg_gpreg1 |= GPREG1_HALFMODEPATCH;
+                       switch (phylink & PHY_LINK_SPEED_MASK) {
                        case PHY_LINK_SPEED_10M:
-                               ghc = GHC_SPEED_10M;
-                               strcpy(linkmsg, "10 Mbps, ");
+                               jme_set_phyfifo_8level(jme);
+                               jme->reg_gpreg1 |= GPREG1_RSSPATCH;
                                break;
                        case PHY_LINK_SPEED_100M:
-                               ghc = GHC_SPEED_100M;
-                               strcpy(linkmsg, "100 Mbps, ");
+                               jme_set_phyfifo_5level(jme);
+                               jme->reg_gpreg1 |= GPREG1_RSSPATCH;
                                break;
                        case PHY_LINK_SPEED_1000M:
-                               ghc = GHC_SPEED_1000M;
-                               strcpy(linkmsg, "1000 Mbps, ");
+                               jme_set_phyfifo_8level(jme);
                                break;
                        default:
-                               ghc = 0;
                                break;
+                       }
                }
-                ghc |= (phylink & PHY_LINK_DUPLEX) ? GHC_DPX : 0;
-               jwrite32(jme, JME_GHC, ghc);
-               strcat(linkmsg, (phylink &PHY_LINK_DUPLEX) ?
-                                       "Full-Duplex" :
-                                       "Half-Duplex");
-
-               if(phylink & PHY_LINK_DUPLEX)
-                       jwrite32(jme, JME_TXMCS, TXMCS_DEFAULT);
-               else
-                       jwrite32(jme, JME_TXMCS, TXMCS_DEFAULT |
-                                                  TXMCS_BACKOFF |
-                                                  TXMCS_CARRIERSENSE |
-                                                  TXMCS_COLLISION);
-
-               jprintk(netdev->name, "Link is up at %s.\n", linkmsg);
-                netif_carrier_on(netdev);
-       }
-        else {
-               jprintk(netdev->name, "Link is down.\n");
-                netif_carrier_off(netdev);
+               jwrite32(jme, JME_GPREG1, jme->reg_gpreg1);
+
+               strcat(linkmsg, (phylink & PHY_LINK_DUPLEX) ?
+                                       "Full-Duplex, " :
+                                       "Half-Duplex, ");
+               strcat(linkmsg, (phylink & PHY_LINK_MDI_STAT) ?
+                                       "MDI-X" :
+                                       "MDI");
+               netif_info(jme, link, jme->dev, "Link is up at %s\n", linkmsg);
+               netif_carrier_on(netdev);
+       } else {
+               if (testonly)
+                       goto out;
+
+               netif_info(jme, link, jme->dev, "Link is down\n");
+               jme->phylink = 0;
+               netif_carrier_off(netdev);
        }
-}
-
-static void jme_link_change_tasklet(unsigned long arg)
-{
-       struct jme_adapter *jme = (struct jme_adapter*)arg;
-       jme_check_link(jme->dev);
-}
-
-static void jme_set_new_txdesc(struct jme_adapter *jme,
-                              int i, struct sk_buff *skb)
-{
-       struct jme_ring *txring = jme->txring;
-       register struct TxDesc* txdesc = txring->desc;
-       struct jme_buffer_info *txbi = txring->bufinf;
-       dma_addr_t dmaaddr;
-
-       txdesc += i;
-       txbi += i;
-
-       dmaaddr = pci_map_single(jme->pdev,
-                                skb->data,
-                                skb->len,
-                                PCI_DMA_TODEVICE);
-
-       pci_dma_sync_single_for_device(jme->pdev,
-                                      dmaaddr,
-                                      skb->len,
-                                      PCI_DMA_TODEVICE);
-       
-       txdesc->dw[0] = 0;
-       txdesc->dw[1] = 0;
-       txdesc->dw[2] = 0;
-       txdesc->desc1.bufaddr = cpu_to_le32(dmaaddr);
-       txdesc->desc1.datalen = cpu_to_le16(skb->len);
-       txdesc->desc1.pktsize = cpu_to_le16(skb->len);
-       /*
-        * Set OWN bit at final.
-        * When kernel transmit faster than NIC last packet sent,
-        * and NIC trying to send this descriptor before we tell
-        * it to start sending this TX queue.
-        * Other fields are already filled correctly.
-        */
-       wmb();
-       txdesc->desc1.flags = TXFLAG_OWN | TXFLAG_INT;
-       txbi->skb = skb;
-       txbi->mapping = dmaaddr;
-       txbi->len = skb->len;
-
-#ifdef TX_QUEUE_DEBUG
-       dprintk(jme->dev->name, "TX Ring Buf Address(%08x,%08x,%d).\n",
-               dmaaddr,
-               (txdesc->all[12] <<  0) |
-               (txdesc->all[13] <<  8) |
-               (txdesc->all[14] << 16) |
-               (txdesc->all[15] << 24),
-               (txdesc->all[4]  <<  0) |
-               (txdesc->all[5]  <<  8));
-#endif
 
+out:
+       return rc;
 }
 
-
-static int jme_setup_tx_resources(struct jme_adapter *jme)
+static int
+jme_setup_tx_resources(struct jme_adapter *jme)
 {
        struct jme_ring *txring = &(jme->txring[0]);
 
        txring->alloc = dma_alloc_coherent(&(jme->pdev->dev),
-                                          TX_RING_ALLOC_SIZE,
-                                          &(txring->dmaalloc), 
-                                          GFP_KERNEL);
-       if(!txring->alloc) {
-               txring->desc = NULL;
-               txring->dmaalloc = 0;
-               txring->dma = 0;
-               return -ENOMEM;
-       }
+                                  TX_RING_ALLOC_SIZE(jme->tx_ring_size),
+                                  &(txring->dmaalloc),
+                                  GFP_ATOMIC);
+
+       if (!txring->alloc)
+               goto err_set_null;
 
        /*
         * 16 Bytes align
         */
-       txring->desc            = (void*)ALIGN((unsigned long)(txring->alloc), RING_DESC_ALIGN);
+       txring->desc            = (void *)ALIGN((unsigned long)(txring->alloc),
+                                               RING_DESC_ALIGN);
        txring->dma             = ALIGN(txring->dmaalloc, RING_DESC_ALIGN);
        txring->next_to_use     = 0;
-       txring->next_to_clean   = 0;
+       atomic_set(&txring->next_to_clean, 0);
+       atomic_set(&txring->nr_free, jme->tx_ring_size);
 
-#ifdef TX_QUEUE_DEBUG
-       dprintk(jme->dev->name, "TX Ring Base Address(%08x,%08x).\n",
-               (__u32)txring->desc,
-               txring->dma);
-#endif
+       txring->bufinf          = kmalloc(sizeof(struct jme_buffer_info) *
+                                       jme->tx_ring_size, GFP_ATOMIC);
+       if (unlikely(!(txring->bufinf)))
+               goto err_free_txring;
 
        /*
-        * Initiallize Transmit Descriptors
+        * Initialize Transmit Descriptors
         */
-       memset(txring->alloc, 0, TX_RING_ALLOC_SIZE);
-       memset(txring->bufinf, 0, sizeof(struct jme_buffer_info) * RING_DESC_NR);
+       memset(txring->alloc, 0, TX_RING_ALLOC_SIZE(jme->tx_ring_size));
+       memset(txring->bufinf, 0,
+               sizeof(struct jme_buffer_info) * jme->tx_ring_size);
 
        return 0;
+
+err_free_txring:
+       dma_free_coherent(&(jme->pdev->dev),
+                         TX_RING_ALLOC_SIZE(jme->tx_ring_size),
+                         txring->alloc,
+                         txring->dmaalloc);
+
+err_set_null:
+       txring->desc = NULL;
+       txring->dmaalloc = 0;
+       txring->dma = 0;
+       txring->bufinf = NULL;
+
+       return -ENOMEM;
 }
 
-static void jme_free_tx_resources(struct jme_adapter *jme)
+static void
+jme_free_tx_resources(struct jme_adapter *jme)
 {
        int i;
        struct jme_ring *txring = &(jme->txring[0]);
-       struct jme_buffer_info *txbi = txring->bufinf;
-
-       if(txring->alloc) {
-               for(i=0;i<RING_DESC_NR;++i) {
-                       txbi = txring->bufinf + i;
-                       if(txbi->skb) {
-                               dev_kfree_skb(txbi->skb);
-                               txbi->skb = NULL;
-                               txbi->mapping = 0;
-                               txbi->len = 0;
+       struct jme_buffer_info *txbi;
+
+       if (txring->alloc) {
+               if (txring->bufinf) {
+                       for (i = 0 ; i < jme->tx_ring_size ; ++i) {
+                               txbi = txring->bufinf + i;
+                               if (txbi->skb) {
+                                       dev_kfree_skb(txbi->skb);
+                                       txbi->skb = NULL;
+                               }
+                               txbi->mapping           = 0;
+                               txbi->len               = 0;
+                               txbi->nr_desc           = 0;
+                               txbi->start_xmit        = 0;
                        }
+                       kfree(txring->bufinf);
                }
 
                dma_free_coherent(&(jme->pdev->dev),
-                                 TX_RING_ALLOC_SIZE,
+                                 TX_RING_ALLOC_SIZE(jme->tx_ring_size),
                                  txring->alloc,
                                  txring->dmaalloc);
-               txring->alloc    = NULL;
-               txring->desc     = NULL;
-               txring->dmaalloc = 0;
-               txring->dma      = 0;
-       }
-       txring->next_to_use   = 0;
-       txring->next_to_clean = 0;
 
+               txring->alloc           = NULL;
+               txring->desc            = NULL;
+               txring->dmaalloc        = 0;
+               txring->dma             = 0;
+               txring->bufinf          = NULL;
+       }
+       txring->next_to_use     = 0;
+       atomic_set(&txring->next_to_clean, 0);
+       atomic_set(&txring->nr_free, 0);
 }
 
-__always_inline static void jme_enable_tx_engine(struct jme_adapter *jme)
+static inline void
+jme_enable_tx_engine(struct jme_adapter *jme)
 {
-       __u8 mrrs;
-
        /*
         * Select Queue 0
         */
        jwrite32(jme, JME_TXCS, TXCS_DEFAULT | TXCS_SELECT_QUEUE0);
+       wmb();
 
        /*
         * Setup TX Queue 0 DMA Bass Address
         */
-       jwrite32(jme, JME_TXDBA, jme->txring[0].dma);
-       jwrite32(jme, JME_TXNDA, jme->txring[0].dma);
+       jwrite32(jme, JME_TXDBA_LO, (__u64)jme->txring[0].dma & 0xFFFFFFFFUL);
+       jwrite32(jme, JME_TXDBA_HI, (__u64)(jme->txring[0].dma) >> 32);
+       jwrite32(jme, JME_TXNDA, (__u64)jme->txring[0].dma & 0xFFFFFFFFUL);
 
        /*
         * Setup TX Descptor Count
         */
-       jwrite32(jme, JME_TXQDC, RING_DESC_NR);
+       jwrite32(jme, JME_TXQDC, jme->tx_ring_size);
 
        /*
-        * Get Max Read Req Size from PCI Config Space
+        * Enable TX Engine
         */
-       pci_read_config_byte(jme->pdev, PCI_CONF_DCSR_MRRS, &mrrs);
-       switch(mrrs) {
-               case MRRS_128B:
-                       jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_128B;
-                       break;
-               case MRRS_256B:
-                       jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_256B;
-                       break;
-               default:
-                       jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_512B;
-                       break;
-       };
+       wmb();
+       jwrite32f(jme, JME_TXCS, jme->reg_txcs |
+                               TXCS_SELECT_QUEUE0 |
+                               TXCS_ENABLE);
 
        /*
-        * Enable TX Engine
+        * Start clock for TX MAC Processor
+        */
+       jme_mac_txclk_on(jme);
+}
+
+static inline void
+jme_restart_tx_engine(struct jme_adapter *jme)
+{
+       /*
+        * Restart TX Engine
         */
-       wmb();
        jwrite32(jme, JME_TXCS, jme->reg_txcs |
                                TXCS_SELECT_QUEUE0 |
                                TXCS_ENABLE);
-
 }
 
-__always_inline static void jme_disable_tx_engine(struct jme_adapter *jme)
+static inline void
+jme_disable_tx_engine(struct jme_adapter *jme)
 {
        int i;
-       __u32 val;
+       u32 val;
 
        /*
         * Disable TX Engine
         */
-       jwrite32(jme, JME_TXCS, jme->reg_txcs);
+       jwrite32(jme, JME_TXCS, jme->reg_txcs | TXCS_SELECT_QUEUE0);
+       wmb();
 
        val = jread32(jme, JME_TXCS);
-       for(i = JME_TX_DISABLE_TIMEOUT ; (val & TXCS_ENABLE) && i > 0 ; --i)
-       {
-               udelay(1);
+       for (i = JME_TX_DISABLE_TIMEOUT ; (val & TXCS_ENABLE) && i > 0 ; --i) {
+               mdelay(1);
                val = jread32(jme, JME_TXCS);
+               rmb();
        }
 
-       if(!i)
-               jeprintk(jme->dev->name, "Disable TX engine timeout.\n");
-
+       if (!i)
+               pr_err("Disable TX engine timeout\n");
 
+       /*
+        * Stop clock for TX MAC Processor
+        */
+       jme_mac_txclk_off(jme);
 }
 
-static void jme_set_clean_rxdesc(struct jme_adapter *jme, int i)
+static void
+jme_set_clean_rxdesc(struct jme_adapter *jme, int i)
 {
-       struct jme_ring *rxring = jme->rxring;
-       register struct RxDesc* rxdesc = rxring->desc;
+       struct jme_ring *rxring = &(jme->rxring[0]);
+       register struct rxdesc *rxdesc = rxring->desc;
        struct jme_buffer_info *rxbi = rxring->bufinf;
        rxdesc += i;
        rxbi += i;
 
        rxdesc->dw[0] = 0;
        rxdesc->dw[1] = 0;
-       rxdesc->desc1.bufaddrh = cpu_to_le32(((__u64)rxbi->mapping) >> 32);
-       rxdesc->desc1.bufaddrl = cpu_to_le32(rxbi->mapping);
-       rxdesc->desc1.datalen = cpu_to_le16(RX_BUF_SIZE);
+       rxdesc->desc1.bufaddrh  = cpu_to_le32((__u64)rxbi->mapping >> 32);
+       rxdesc->desc1.bufaddrl  = cpu_to_le32(
+                                       (__u64)rxbi->mapping & 0xFFFFFFFFUL);
+       rxdesc->desc1.datalen   = cpu_to_le16(rxbi->len);
+       if (jme->dev->features & NETIF_F_HIGHDMA)
+               rxdesc->desc1.flags = RXFLAG_64BIT;
        wmb();
-       rxdesc->desc1.flags = RXFLAG_OWN | RXFLAG_INT;
-
-#ifdef RX_QUEUE_DEBUG
-       dprintk(jme->dev->name, "RX Ring Buf Address(%08x,%08x,%d).\n",
-               rxbi->mapping,
-               (rxdesc->all[12] <<  0) |
-               (rxdesc->all[13] <<  8) |
-               (rxdesc->all[14] << 16) |
-               (rxdesc->all[15] << 24),
-               (rxdesc->all[4]  <<  0) |
-               (rxdesc->all[5]  <<  8));
-#endif
-
+       rxdesc->desc1.flags     |= RXFLAG_OWN | RXFLAG_INT;
 }
 
-static int jme_make_new_rx_buf(struct jme_adapter *jme, int i)
+static int
+jme_make_new_rx_buf(struct jme_adapter *jme, int i)
 {
        struct jme_ring *rxring = &(jme->rxring[0]);
-       struct jme_buffer_info *rxbi = rxring->bufinf;
-       unsigned long offset;
-       struct sk_buff* skb;
+       struct jme_buffer_info *rxbi = rxring->bufinf + i;
+       struct sk_buff *skb;
 
-       skb = netdev_alloc_skb(jme->dev, RX_BUF_ALLOC_SIZE);
-       if(unlikely(!skb))
-               return -ENOMEM;
-       if(unlikely(skb_shinfo(skb)->nr_frags)) {
-               dprintk(jme->dev->name, "Allocated skb fragged(%d).\n", skb_shinfo(skb)->nr_frags);
-               dev_kfree_skb(skb);
+       skb = netdev_alloc_skb(jme->dev,
+               jme->dev->mtu + RX_EXTRA_LEN);
+       if (unlikely(!skb))
                return -ENOMEM;
-       }
-
-
-       if(unlikely(
-               offset = 
-               (unsigned long)(skb->data)
-               & (unsigned long)(RX_BUF_DMA_ALIGN - 1))) {
-               skb_reserve(skb, RX_BUF_DMA_ALIGN - offset);
-       }
 
-       rxbi += i;
        rxbi->skb = skb;
-       rxbi->mapping = pci_map_single(jme->pdev,
-                                      skb->data,
-                                      RX_BUF_SIZE,
-                                      PCI_DMA_FROMDEVICE);
+       rxbi->len = skb_tailroom(skb);
+       rxbi->mapping = pci_map_page(jme->pdev,
+                                       virt_to_page(skb->data),
+                                       offset_in_page(skb->data),
+                                       rxbi->len,
+                                       PCI_DMA_FROMDEVICE);
 
        return 0;
 }
 
-static void jme_free_rx_buf(struct jme_adapter *jme, int i)
+static void
+jme_free_rx_buf(struct jme_adapter *jme, int i)
 {
        struct jme_ring *rxring = &(jme->rxring[0]);
        struct jme_buffer_info *rxbi = rxring->bufinf;
        rxbi += i;
 
-       if(rxbi->skb) {
-               pci_unmap_single(jme->pdev,
+       if (rxbi->skb) {
+               pci_unmap_page(jme->pdev,
                                 rxbi->mapping,
-                                RX_BUF_SIZE,
+                                rxbi->len,
                                 PCI_DMA_FROMDEVICE);
                dev_kfree_skb(rxbi->skb);
                rxbi->skb = NULL;
                rxbi->mapping = 0;
+               rxbi->len = 0;
        }
 }
 
-static int jme_setup_rx_resources(struct jme_adapter *jme)
+static void
+jme_free_rx_resources(struct jme_adapter *jme)
 {
        int i;
        struct jme_ring *rxring = &(jme->rxring[0]);
 
-       rxring->alloc = dma_alloc_coherent(&(jme->pdev->dev),
-                                          RX_RING_ALLOC_SIZE,
-                                          &(rxring->dmaalloc), 
-                                          GFP_KERNEL);
-       if(!rxring->alloc) {
-               rxring->desc = NULL;
+       if (rxring->alloc) {
+               if (rxring->bufinf) {
+                       for (i = 0 ; i < jme->rx_ring_size ; ++i)
+                               jme_free_rx_buf(jme, i);
+                       kfree(rxring->bufinf);
+               }
+
+               dma_free_coherent(&(jme->pdev->dev),
+                                 RX_RING_ALLOC_SIZE(jme->rx_ring_size),
+                                 rxring->alloc,
+                                 rxring->dmaalloc);
+               rxring->alloc    = NULL;
+               rxring->desc     = NULL;
                rxring->dmaalloc = 0;
-               rxring->dma = 0;
-               return -ENOMEM;
+               rxring->dma      = 0;
+               rxring->bufinf   = NULL;
        }
+       rxring->next_to_use   = 0;
+       atomic_set(&rxring->next_to_clean, 0);
+}
+
+static int
+jme_setup_rx_resources(struct jme_adapter *jme)
+{
+       int i;
+       struct jme_ring *rxring = &(jme->rxring[0]);
+
+       rxring->alloc = dma_alloc_coherent(&(jme->pdev->dev),
+                                  RX_RING_ALLOC_SIZE(jme->rx_ring_size),
+                                  &(rxring->dmaalloc),
+                                  GFP_ATOMIC);
+       if (!rxring->alloc)
+               goto err_set_null;
 
        /*
         * 16 Bytes align
         */
-       rxring->desc            = (void*)ALIGN((unsigned long)(rxring->alloc), RING_DESC_ALIGN);
+       rxring->desc            = (void *)ALIGN((unsigned long)(rxring->alloc),
+                                               RING_DESC_ALIGN);
        rxring->dma             = ALIGN(rxring->dmaalloc, RING_DESC_ALIGN);
        rxring->next_to_use     = 0;
-       rxring->next_to_clean   = 0;
+       atomic_set(&rxring->next_to_clean, 0);
 
-#ifdef RX_QUEUE_DEBUG
-       dprintk(jme->dev->name, "RX Ring Base Address(%08x,%08x).\n",
-               (__u32)rxring->desc,
-               rxring->dma);
-#endif
+       rxring->bufinf          = kmalloc(sizeof(struct jme_buffer_info) *
+                                       jme->rx_ring_size, GFP_ATOMIC);
+       if (unlikely(!(rxring->bufinf)))
+               goto err_free_rxring;
 
        /*
         * Initiallize Receive Descriptors
         */
-       for(i = 0 ; i < RING_DESC_NR ; ++i) {
-               if(unlikely(jme_make_new_rx_buf(jme, i)))
-                       break;
+       memset(rxring->bufinf, 0,
+               sizeof(struct jme_buffer_info) * jme->rx_ring_size);
+       for (i = 0 ; i < jme->rx_ring_size ; ++i) {
+               if (unlikely(jme_make_new_rx_buf(jme, i))) {
+                       jme_free_rx_resources(jme);
+                       return -ENOMEM;
+               }
 
                jme_set_clean_rxdesc(jme, i);
        }
 
-       /*
-        * Cleanup allocated memories when error
-        */
-       if(i != RING_DESC_NR) {
-               for(--i ; i >= 0 ; --i)
-                       jme_free_rx_buf(jme, i);
-
-               dma_free_coherent(&(jme->pdev->dev),
-                                 RX_RING_ALLOC_SIZE,
-                                 rxring->alloc,
-                                 rxring->dmaalloc);
-               rxring->alloc    = NULL;
-               rxring->desc     = NULL;
-               rxring->dmaalloc = 0;
-               rxring->dma      = 0;
-               return -ENOMEM;
-       }
-
        return 0;
-}
-
-static void jme_free_rx_resources(struct jme_adapter *jme)
-{
-       int i;
-       struct jme_ring *rxring = &(jme->rxring[0]);
-
-       if(rxring->alloc) {
-               for(i = 0 ; i < RING_DESC_NR ; ++i)
-                       jme_free_rx_buf(jme, i);
 
-               dma_free_coherent(&(jme->pdev->dev),
-                                 RX_RING_ALLOC_SIZE,
-                                 rxring->alloc,
-                                 rxring->dmaalloc);
-               rxring->alloc    = NULL;
-               rxring->desc     = NULL;
-               rxring->dmaalloc = 0;
-               rxring->dma      = 0;
-       }
-       rxring->next_to_use   = 0;
-       rxring->next_to_clean = 0;
+err_free_rxring:
+       dma_free_coherent(&(jme->pdev->dev),
+                         RX_RING_ALLOC_SIZE(jme->rx_ring_size),
+                         rxring->alloc,
+                         rxring->dmaalloc);
+err_set_null:
+       rxring->desc = NULL;
+       rxring->dmaalloc = 0;
+       rxring->dma = 0;
+       rxring->bufinf = NULL;
+
+       return -ENOMEM;
 }
 
-__always_inline static void jme_enable_rx_engine(struct jme_adapter *jme)
+static inline void
+jme_enable_rx_engine(struct jme_adapter *jme)
 {
        /*
+        * Select Queue 0
+        */
+       jwrite32(jme, JME_RXCS, jme->reg_rxcs |
+                               RXCS_QUEUESEL_Q0);
+       wmb();
+
+       /*
         * Setup RX DMA Bass Address
         */
-       jwrite32(jme, JME_RXDBA, jme->rxring[0].dma);
-       jwrite32(jme, JME_RXNDA, jme->rxring[0].dma);
+       jwrite32(jme, JME_RXDBA_LO, (__u64)(jme->rxring[0].dma) & 0xFFFFFFFFUL);
+       jwrite32(jme, JME_RXDBA_HI, (__u64)(jme->rxring[0].dma) >> 32);
+       jwrite32(jme, JME_RXNDA, (__u64)(jme->rxring[0].dma) & 0xFFFFFFFFUL);
 
        /*
-        * Setup RX Descptor Count
+        * Setup RX Descriptor Count
         */
-       jwrite32(jme, JME_RXQDC, RING_DESC_NR);
+       jwrite32(jme, JME_RXQDC, jme->rx_ring_size);
 
-       /* 
+       /*
         * Setup Unicast Filter
         */
+       jme_set_unicastaddr(jme->dev);
        jme_set_multi(jme->dev);
 
        /*
         * Enable RX Engine
         */
-
        wmb();
-       jwrite32(jme, JME_RXCS, RXCS_DEFAULT |
+       jwrite32f(jme, JME_RXCS, jme->reg_rxcs |
                                RXCS_QUEUESEL_Q0 |
                                RXCS_ENABLE |
                                RXCS_QST);
+
+       /*
+        * Start clock for RX MAC Processor
+        */
+       jme_mac_rxclk_on(jme);
 }
 
-__always_inline static void jme_restart_rx_engine(struct jme_adapter *jme)
+static inline void
+jme_restart_rx_engine(struct jme_adapter *jme)
 {
        /*
-        * Enable RX Engine
+        * Start RX Engine
         */
-       jwrite32(jme, JME_RXCS, RXCS_DEFAULT |
+       jwrite32(jme, JME_RXCS, jme->reg_rxcs |
                                RXCS_QUEUESEL_Q0 |
                                RXCS_ENABLE |
                                RXCS_QST);
 }
 
-
-__always_inline static void jme_disable_rx_engine(struct jme_adapter *jme)
+static inline void
+jme_disable_rx_engine(struct jme_adapter *jme)
 {
        int i;
-       __u32 val;
+       u32 val;
 
        /*
         * Disable RX Engine
         */
-       val = jread32(jme, JME_RXCS);
-       val &= ~RXCS_ENABLE;
-       jwrite32(jme, JME_RXCS, val);
+       jwrite32(jme, JME_RXCS, jme->reg_rxcs);
+       wmb();
 
        val = jread32(jme, JME_RXCS);
-       for(i = JME_RX_DISABLE_TIMEOUT ; (val & RXCS_ENABLE) && i > 0 ; --i)
-       {
-               udelay(1);
+       for (i = JME_RX_DISABLE_TIMEOUT ; (val & RXCS_ENABLE) && i > 0 ; --i) {
+               mdelay(1);
                val = jread32(jme, JME_RXCS);
+               rmb();
        }
 
-       if(!i)
-               jeprintk(jme->dev->name, "Disable RX engine timeout.\n");
+       if (!i)
+               pr_err("Disable RX engine timeout\n");
 
+       /*
+        * Stop clock for RX MAC Processor
+        */
+       jme_mac_rxclk_off(jme);
 }
 
-static void jme_tx_clean_tasklet(unsigned long arg)
+static u16
+jme_udpsum(struct sk_buff *skb)
 {
-       struct jme_adapter *jme = (struct jme_adapter*)arg;
-       struct jme_ring *txring = &(jme->txring[0]);
-       struct TxDesc *txdesc = txring->desc;
+       u16 csum = 0xFFFFu;
+
+       if (skb->len < (ETH_HLEN + sizeof(struct iphdr)))
+               return csum;
+       if (skb->protocol != htons(ETH_P_IP))
+               return csum;
+       skb_set_network_header(skb, ETH_HLEN);
+       if ((ip_hdr(skb)->protocol != IPPROTO_UDP) ||
+           (skb->len < (ETH_HLEN +
+                       (ip_hdr(skb)->ihl << 2) +
+                       sizeof(struct udphdr)))) {
+               skb_reset_network_header(skb);
+               return csum;
+       }
+       skb_set_transport_header(skb,
+                       ETH_HLEN + (ip_hdr(skb)->ihl << 2));
+       csum = udp_hdr(skb)->check;
+       skb_reset_transport_header(skb);
+       skb_reset_network_header(skb);
+
+       return csum;
+}
+
+static int
+jme_rxsum_ok(struct jme_adapter *jme, u16 flags, struct sk_buff *skb)
+{
+       if (!(flags & (RXWBFLAG_TCPON | RXWBFLAG_UDPON | RXWBFLAG_IPV4)))
+               return false;
+
+       if (unlikely((flags & (RXWBFLAG_MF | RXWBFLAG_TCPON | RXWBFLAG_TCPCS))
+                       == RXWBFLAG_TCPON)) {
+               if (flags & RXWBFLAG_IPV4)
+                       netif_err(jme, rx_err, jme->dev, "TCP Checksum error\n");
+               return false;
+       }
+
+       if (unlikely((flags & (RXWBFLAG_MF | RXWBFLAG_UDPON | RXWBFLAG_UDPCS))
+                       == RXWBFLAG_UDPON) && jme_udpsum(skb)) {
+               if (flags & RXWBFLAG_IPV4)
+                       netif_err(jme, rx_err, jme->dev, "UDP Checksum error\n");
+               return false;
+       }
+
+       if (unlikely((flags & (RXWBFLAG_IPV4 | RXWBFLAG_IPCS))
+                       == RXWBFLAG_IPV4)) {
+               netif_err(jme, rx_err, jme->dev, "IPv4 Checksum error\n");
+               return false;
+       }
+
+       return true;
+}
+
+static void
+jme_alloc_and_feed_skb(struct jme_adapter *jme, int idx)
+{
+       struct jme_ring *rxring = &(jme->rxring[0]);
+       struct rxdesc *rxdesc = rxring->desc;
+       struct jme_buffer_info *rxbi = rxring->bufinf;
+       struct sk_buff *skb;
+       int framesize;
+
+       rxdesc += idx;
+       rxbi += idx;
+
+       skb = rxbi->skb;
+       pci_dma_sync_single_for_cpu(jme->pdev,
+                                       rxbi->mapping,
+                                       rxbi->len,
+                                       PCI_DMA_FROMDEVICE);
+
+       if (unlikely(jme_make_new_rx_buf(jme, idx))) {
+               pci_dma_sync_single_for_device(jme->pdev,
+                                               rxbi->mapping,
+                                               rxbi->len,
+                                               PCI_DMA_FROMDEVICE);
+
+               ++(NET_STAT(jme).rx_dropped);
+       } else {
+               framesize = le16_to_cpu(rxdesc->descwb.framesize)
+                               - RX_PREPAD_SIZE;
+
+               skb_reserve(skb, RX_PREPAD_SIZE);
+               skb_put(skb, framesize);
+               skb->protocol = eth_type_trans(skb, jme->dev);
+
+               if (jme_rxsum_ok(jme, le16_to_cpu(rxdesc->descwb.flags), skb))
+                       skb->ip_summed = CHECKSUM_UNNECESSARY;
+               else
+                       skb_checksum_none_assert(skb);
+
+               if (rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_TAGON)) {
+                       if (jme->vlgrp) {
+                               jme->jme_vlan_rx(skb, jme->vlgrp,
+                                       le16_to_cpu(rxdesc->descwb.vlan));
+                               NET_STAT(jme).rx_bytes += 4;
+                       } else {
+                               dev_kfree_skb(skb);
+                       }
+               } else {
+                       jme->jme_rx(skb);
+               }
+
+               if ((rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_DEST)) ==
+                   cpu_to_le16(RXWBFLAG_DEST_MUL))
+                       ++(NET_STAT(jme).multicast);
+
+               NET_STAT(jme).rx_bytes += framesize;
+               ++(NET_STAT(jme).rx_packets);
+       }
+
+       jme_set_clean_rxdesc(jme, idx);
+
+}
+
+static int
+jme_process_receive(struct jme_adapter *jme, int limit)
+{
+       struct jme_ring *rxring = &(jme->rxring[0]);
+       struct rxdesc *rxdesc = rxring->desc;
+       int i, j, ccnt, desccnt, mask = jme->rx_ring_mask;
+
+       if (unlikely(!atomic_dec_and_test(&jme->rx_cleaning)))
+               goto out_inc;
+
+       if (unlikely(atomic_read(&jme->link_changing) != 1))
+               goto out_inc;
+
+       if (unlikely(!netif_carrier_ok(jme->dev)))
+               goto out_inc;
+
+       i = atomic_read(&rxring->next_to_clean);
+       while (limit > 0) {
+               rxdesc = rxring->desc;
+               rxdesc += i;
+
+               if ((rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_OWN)) ||
+               !(rxdesc->descwb.desccnt & RXWBDCNT_WBCPL))
+                       goto out;
+               --limit;
+
+               rmb();
+               desccnt = rxdesc->descwb.desccnt & RXWBDCNT_DCNT;
+
+               if (unlikely(desccnt > 1 ||
+               rxdesc->descwb.errstat & RXWBERR_ALLERR)) {
+
+                       if (rxdesc->descwb.errstat & RXWBERR_CRCERR)
+                               ++(NET_STAT(jme).rx_crc_errors);
+                       else if (rxdesc->descwb.errstat & RXWBERR_OVERUN)
+                               ++(NET_STAT(jme).rx_fifo_errors);
+                       else
+                               ++(NET_STAT(jme).rx_errors);
+
+                       if (desccnt > 1)
+                               limit -= desccnt - 1;
+
+                       for (j = i, ccnt = desccnt ; ccnt-- ; ) {
+                               jme_set_clean_rxdesc(jme, j);
+                               j = (j + 1) & (mask);
+                       }
+
+               } else {
+                       jme_alloc_and_feed_skb(jme, i);
+               }
+
+               i = (i + desccnt) & (mask);
+       }
+
+out:
+       atomic_set(&rxring->next_to_clean, i);
+
+out_inc:
+       atomic_inc(&jme->rx_cleaning);
+
+       return limit > 0 ? limit : 0;
+
+}
+
+static void
+jme_attempt_pcc(struct dynpcc_info *dpi, int atmp)
+{
+       if (likely(atmp == dpi->cur)) {
+               dpi->cnt = 0;
+               return;
+       }
+
+       if (dpi->attempt == atmp) {
+               ++(dpi->cnt);
+       } else {
+               dpi->attempt = atmp;
+               dpi->cnt = 0;
+       }
+
+}
+
+static void
+jme_dynamic_pcc(struct jme_adapter *jme)
+{
+       register struct dynpcc_info *dpi = &(jme->dpi);
+
+       if ((NET_STAT(jme).rx_bytes - dpi->last_bytes) > PCC_P3_THRESHOLD)
+               jme_attempt_pcc(dpi, PCC_P3);
+       else if ((NET_STAT(jme).rx_packets - dpi->last_pkts) > PCC_P2_THRESHOLD ||
+                dpi->intr_cnt > PCC_INTR_THRESHOLD)
+               jme_attempt_pcc(dpi, PCC_P2);
+       else
+               jme_attempt_pcc(dpi, PCC_P1);
+
+       if (unlikely(dpi->attempt != dpi->cur && dpi->cnt > 5)) {
+               if (dpi->attempt < dpi->cur)
+                       tasklet_schedule(&jme->rxclean_task);
+               jme_set_rx_pcc(jme, dpi->attempt);
+               dpi->cur = dpi->attempt;
+               dpi->cnt = 0;
+       }
+}
+
+static void
+jme_start_pcc_timer(struct jme_adapter *jme)
+{
+       struct dynpcc_info *dpi = &(jme->dpi);
+       dpi->last_bytes         = NET_STAT(jme).rx_bytes;
+       dpi->last_pkts          = NET_STAT(jme).rx_packets;
+       dpi->intr_cnt           = 0;
+       jwrite32(jme, JME_TMCSR,
+               TMCSR_EN | ((0xFFFFFF - PCC_INTERVAL_US) & TMCSR_CNT));
+}
+
+static inline void
+jme_stop_pcc_timer(struct jme_adapter *jme)
+{
+       jwrite32(jme, JME_TMCSR, 0);
+}
+
+static void
+jme_shutdown_nic(struct jme_adapter *jme)
+{
+       u32 phylink;
+
+       phylink = jme_linkstat_from_phy(jme);
+
+       if (!(phylink & PHY_LINK_UP)) {
+               /*
+                * Disable all interrupt before issue timer
+                */
+               jme_stop_irq(jme);
+               jwrite32(jme, JME_TIMER2, TMCSR_EN | 0xFFFFFE);
+       }
+}
+
+static void
+jme_pcc_tasklet(unsigned long arg)
+{
+       struct jme_adapter *jme = (struct jme_adapter *)arg;
+       struct net_device *netdev = jme->dev;
+
+       if (unlikely(test_bit(JME_FLAG_SHUTDOWN, &jme->flags))) {
+               jme_shutdown_nic(jme);
+               return;
+       }
+
+       if (unlikely(!netif_carrier_ok(netdev) ||
+               (atomic_read(&jme->link_changing) != 1)
+       )) {
+               jme_stop_pcc_timer(jme);
+               return;
+       }
+
+       if (!(test_bit(JME_FLAG_POLL, &jme->flags)))
+               jme_dynamic_pcc(jme);
+
+       jme_start_pcc_timer(jme);
+}
+
+static inline void
+jme_polling_mode(struct jme_adapter *jme)
+{
+       jme_set_rx_pcc(jme, PCC_OFF);
+}
+
+static inline void
+jme_interrupt_mode(struct jme_adapter *jme)
+{
+       jme_set_rx_pcc(jme, PCC_P1);
+}
+
+static inline int
+jme_pseudo_hotplug_enabled(struct jme_adapter *jme)
+{
+       u32 apmc;
+       apmc = jread32(jme, JME_APMC);
+       return apmc & JME_APMC_PSEUDO_HP_EN;
+}
+
+static void
+jme_start_shutdown_timer(struct jme_adapter *jme)
+{
+       u32 apmc;
+
+       apmc = jread32(jme, JME_APMC) | JME_APMC_PCIE_SD_EN;
+       apmc &= ~JME_APMC_EPIEN_CTRL;
+       if (!no_extplug) {
+               jwrite32f(jme, JME_APMC, apmc | JME_APMC_EPIEN_CTRL_EN);
+               wmb();
+       }
+       jwrite32f(jme, JME_APMC, apmc);
+
+       jwrite32f(jme, JME_TIMER2, 0);
+       set_bit(JME_FLAG_SHUTDOWN, &jme->flags);
+       jwrite32(jme, JME_TMCSR,
+               TMCSR_EN | ((0xFFFFFF - APMC_PHP_SHUTDOWN_DELAY) & TMCSR_CNT));
+}
+
+static void
+jme_stop_shutdown_timer(struct jme_adapter *jme)
+{
+       u32 apmc;
+
+       jwrite32f(jme, JME_TMCSR, 0);
+       jwrite32f(jme, JME_TIMER2, 0);
+       clear_bit(JME_FLAG_SHUTDOWN, &jme->flags);
+
+       apmc = jread32(jme, JME_APMC);
+       apmc &= ~(JME_APMC_PCIE_SD_EN | JME_APMC_EPIEN_CTRL);
+       jwrite32f(jme, JME_APMC, apmc | JME_APMC_EPIEN_CTRL_DIS);
+       wmb();
+       jwrite32f(jme, JME_APMC, apmc);
+}
+
+static void
+jme_link_change_tasklet(unsigned long arg)
+{
+       struct jme_adapter *jme = (struct jme_adapter *)arg;
+       struct net_device *netdev = jme->dev;
+       int rc;
+
+       while (!atomic_dec_and_test(&jme->link_changing)) {
+               atomic_inc(&jme->link_changing);
+               netif_info(jme, intr, jme->dev, "Get link change lock failed\n");
+               while (atomic_read(&jme->link_changing) != 1)
+                       netif_info(jme, intr, jme->dev, "Waiting link change lock\n");
+       }
+
+       if (jme_check_link(netdev, 1) && jme->old_mtu == netdev->mtu)
+               goto out;
+
+       jme->old_mtu = netdev->mtu;
+       netif_stop_queue(netdev);
+       if (jme_pseudo_hotplug_enabled(jme))
+               jme_stop_shutdown_timer(jme);
+
+       jme_stop_pcc_timer(jme);
+       tasklet_disable(&jme->txclean_task);
+       tasklet_disable(&jme->rxclean_task);
+       tasklet_disable(&jme->rxempty_task);
+
+       if (netif_carrier_ok(netdev)) {
+               jme_disable_rx_engine(jme);
+               jme_disable_tx_engine(jme);
+               jme_reset_mac_processor(jme);
+               jme_free_rx_resources(jme);
+               jme_free_tx_resources(jme);
+
+               if (test_bit(JME_FLAG_POLL, &jme->flags))
+                       jme_polling_mode(jme);
+
+               netif_carrier_off(netdev);
+       }
+
+       jme_check_link(netdev, 0);
+       if (netif_carrier_ok(netdev)) {
+               rc = jme_setup_rx_resources(jme);
+               if (rc) {
+                       pr_err("Allocating resources for RX error, Device STOPPED!\n");
+                       goto out_enable_tasklet;
+               }
+
+               rc = jme_setup_tx_resources(jme);
+               if (rc) {
+                       pr_err("Allocating resources for TX error, Device STOPPED!\n");
+                       goto err_out_free_rx_resources;
+               }
+
+               jme_enable_rx_engine(jme);
+               jme_enable_tx_engine(jme);
+
+               netif_start_queue(netdev);
+
+               if (test_bit(JME_FLAG_POLL, &jme->flags))
+                       jme_interrupt_mode(jme);
+
+               jme_start_pcc_timer(jme);
+       } else if (jme_pseudo_hotplug_enabled(jme)) {
+               jme_start_shutdown_timer(jme);
+       }
+
+       goto out_enable_tasklet;
+
+err_out_free_rx_resources:
+       jme_free_rx_resources(jme);
+out_enable_tasklet:
+       tasklet_enable(&jme->txclean_task);
+       tasklet_hi_enable(&jme->rxclean_task);
+       tasklet_hi_enable(&jme->rxempty_task);
+out:
+       atomic_inc(&jme->link_changing);
+}
+
+static void
+jme_rx_clean_tasklet(unsigned long arg)
+{
+       struct jme_adapter *jme = (struct jme_adapter *)arg;
+       struct dynpcc_info *dpi = &(jme->dpi);
+
+       jme_process_receive(jme, jme->rx_ring_size);
+       ++(dpi->intr_cnt);
+
+}
+
+static int
+jme_poll(JME_NAPI_HOLDER(holder), JME_NAPI_WEIGHT(budget))
+{
+       struct jme_adapter *jme = jme_napi_priv(holder);
+       int rest;
+
+       rest = jme_process_receive(jme, JME_NAPI_WEIGHT_VAL(budget));
+
+       while (atomic_read(&jme->rx_empty) > 0) {
+               atomic_dec(&jme->rx_empty);
+               ++(NET_STAT(jme).rx_dropped);
+               jme_restart_rx_engine(jme);
+       }
+       atomic_inc(&jme->rx_empty);
+
+       if (rest) {
+               JME_RX_COMPLETE(netdev, holder);
+               jme_interrupt_mode(jme);
+       }
+
+       JME_NAPI_WEIGHT_SET(budget, rest);
+       return JME_NAPI_WEIGHT_VAL(budget) - rest;
+}
+
+static void
+jme_rx_empty_tasklet(unsigned long arg)
+{
+       struct jme_adapter *jme = (struct jme_adapter *)arg;
+
+       if (unlikely(atomic_read(&jme->link_changing) != 1))
+               return;
+
+       if (unlikely(!netif_carrier_ok(jme->dev)))
+               return;
+
+       netif_info(jme, rx_status, jme->dev, "RX Queue Full!\n");
+
+       jme_rx_clean_tasklet(arg);
+
+       while (atomic_read(&jme->rx_empty) > 0) {
+               atomic_dec(&jme->rx_empty);
+               ++(NET_STAT(jme).rx_dropped);
+               jme_restart_rx_engine(jme);
+       }
+       atomic_inc(&jme->rx_empty);
+}
+
+static void
+jme_wake_queue_if_stopped(struct jme_adapter *jme)
+{
+       struct jme_ring *txring = &(jme->txring[0]);
+
+       smp_wmb();
+       if (unlikely(netif_queue_stopped(jme->dev) &&
+       atomic_read(&txring->nr_free) >= (jme->tx_wake_threshold))) {
+               netif_info(jme, tx_done, jme->dev, "TX Queue Waked\n");
+               netif_wake_queue(jme->dev);
+       }
+
+}
+
+static void
+jme_tx_clean_tasklet(unsigned long arg)
+{
+       struct jme_adapter *jme = (struct jme_adapter *)arg;
+       struct jme_ring *txring = &(jme->txring[0]);
+       struct txdesc *txdesc = txring->desc;
+       struct jme_buffer_info *txbi = txring->bufinf, *ctxbi, *ttxbi;
+       int i, j, cnt = 0, max, err, mask;
+
+       tx_dbg(jme, "Into txclean\n");
+
+       if (unlikely(!atomic_dec_and_test(&jme->tx_cleaning)))
+               goto out;
+
+       if (unlikely(atomic_read(&jme->link_changing) != 1))
+               goto out;
+
+       if (unlikely(!netif_carrier_ok(jme->dev)))
+               goto out;
+
+       max = jme->tx_ring_size - atomic_read(&txring->nr_free);
+       mask = jme->tx_ring_mask;
+
+       for (i = atomic_read(&txring->next_to_clean) ; cnt < max ; ) {
+
+               ctxbi = txbi + i;
+
+               if (likely(ctxbi->skb &&
+               !(txdesc[i].descwb.flags & TXWBFLAG_OWN))) {
+
+                       tx_dbg(jme, "txclean: %d+%d@%lu\n",
+                              i, ctxbi->nr_desc, jiffies);
+
+                       err = txdesc[i].descwb.flags & TXWBFLAG_ALLERR;
+
+                       for (j = 1 ; j < ctxbi->nr_desc ; ++j) {
+                               ttxbi = txbi + ((i + j) & (mask));
+                               txdesc[(i + j) & (mask)].dw[0] = 0;
+
+                               pci_unmap_page(jme->pdev,
+                                                ttxbi->mapping,
+                                                ttxbi->len,
+                                                PCI_DMA_TODEVICE);
+
+                               ttxbi->mapping = 0;
+                               ttxbi->len = 0;
+                       }
+
+                       dev_kfree_skb(ctxbi->skb);
+
+                       cnt += ctxbi->nr_desc;
+
+                       if (unlikely(err)) {
+                               ++(NET_STAT(jme).tx_carrier_errors);
+                       } else {
+                               ++(NET_STAT(jme).tx_packets);
+                               NET_STAT(jme).tx_bytes += ctxbi->len;
+                       }
+
+                       ctxbi->skb = NULL;
+                       ctxbi->len = 0;
+                       ctxbi->start_xmit = 0;
+
+               } else {
+                       break;
+               }
+
+               i = (i + ctxbi->nr_desc) & mask;
+
+               ctxbi->nr_desc = 0;
+       }
+
+       tx_dbg(jme, "txclean: done %d@%lu\n", i, jiffies);
+       atomic_set(&txring->next_to_clean, i);
+       atomic_add(cnt, &txring->nr_free);
+
+       jme_wake_queue_if_stopped(jme);
+
+out:
+       atomic_inc(&jme->tx_cleaning);
+}
+
+static void
+jme_intr_msi(struct jme_adapter *jme, u32 intrstat)
+{
+       /*
+        * Disable interrupt
+        */
+       jwrite32f(jme, JME_IENC, INTR_ENABLE);
+
+       if (intrstat & (INTR_LINKCH | INTR_SWINTR)) {
+               /*
+                * Link change event is critical
+                * all other events are ignored
+                */
+               jwrite32(jme, JME_IEVE, intrstat);
+               tasklet_schedule(&jme->linkch_task);
+               goto out_reenable;
+       }
+
+       if (intrstat & INTR_TMINTR) {
+               jwrite32(jme, JME_IEVE, INTR_TMINTR);
+               tasklet_schedule(&jme->pcc_task);
+       }
+
+       if (intrstat & (INTR_PCCTXTO | INTR_PCCTX)) {
+               jwrite32(jme, JME_IEVE, INTR_PCCTXTO | INTR_PCCTX | INTR_TX0);
+               tasklet_schedule(&jme->txclean_task);
+       }
+
+       if ((intrstat & (INTR_PCCRX0TO | INTR_PCCRX0 | INTR_RX0EMP))) {
+               jwrite32(jme, JME_IEVE, (intrstat & (INTR_PCCRX0TO |
+                                                    INTR_PCCRX0 |
+                                                    INTR_RX0EMP)) |
+                                       INTR_RX0);
+       }
+
+       if (test_bit(JME_FLAG_POLL, &jme->flags)) {
+               if (intrstat & INTR_RX0EMP)
+                       atomic_inc(&jme->rx_empty);
+
+               if ((intrstat & (INTR_PCCRX0TO | INTR_PCCRX0 | INTR_RX0EMP))) {
+                       if (likely(JME_RX_SCHEDULE_PREP(jme))) {
+                               jme_polling_mode(jme);
+                               JME_RX_SCHEDULE(jme);
+                       }
+               }
+       } else {
+               if (intrstat & INTR_RX0EMP) {
+                       atomic_inc(&jme->rx_empty);
+                       tasklet_hi_schedule(&jme->rxempty_task);
+               } else if (intrstat & (INTR_PCCRX0TO | INTR_PCCRX0)) {
+                       tasklet_hi_schedule(&jme->rxclean_task);
+               }
+       }
+
+out_reenable:
+       /*
+        * Re-enable interrupt
+        */
+       jwrite32f(jme, JME_IENS, INTR_ENABLE);
+}
+
+static irqreturn_t
+jme_intr(int irq, void *dev_id)
+{
+       struct net_device *netdev = dev_id;
+       struct jme_adapter *jme = netdev_priv(netdev);
+       u32 intrstat;
+
+       intrstat = jread32(jme, JME_IEVE);
+
+       /*
+        * Check if it's really an interrupt for us
+        */
+       if (unlikely((intrstat & INTR_ENABLE) == 0))
+               return IRQ_NONE;
+
+       /*
+        * Check if the device still exist
+        */
+       if (unlikely(intrstat == ~((typeof(intrstat))0)))
+               return IRQ_NONE;
+
+       jme_intr_msi(jme, intrstat);
+
+       return IRQ_HANDLED;
+}
+
+static irqreturn_t
+jme_msi(int irq, void *dev_id)
+{
+       struct net_device *netdev = dev_id;
+       struct jme_adapter *jme = netdev_priv(netdev);
+       u32 intrstat;
+
+       intrstat = jread32(jme, JME_IEVE);
+
+       jme_intr_msi(jme, intrstat);
+
+       return IRQ_HANDLED;
+}
+
+static void
+jme_reset_link(struct jme_adapter *jme)
+{
+       jwrite32(jme, JME_TMCSR, TMCSR_SWIT);
+}
+
+static void
+jme_restart_an(struct jme_adapter *jme)
+{
+       u32 bmcr;
+
+       spin_lock_bh(&jme->phy_lock);
+       bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR);
+       bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART);
+       jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, bmcr);
+       spin_unlock_bh(&jme->phy_lock);
+}
+
+static int
+jme_request_irq(struct jme_adapter *jme)
+{
+       int rc;
+       struct net_device *netdev = jme->dev;
+       irq_handler_t handler = jme_intr;
+       int irq_flags = IRQF_SHARED;
+
+       if (!pci_enable_msi(jme->pdev)) {
+               set_bit(JME_FLAG_MSI, &jme->flags);
+               handler = jme_msi;
+               irq_flags = 0;
+       }
+
+       rc = request_irq(jme->pdev->irq, handler, irq_flags, netdev->name,
+                         netdev);
+       if (rc) {
+               netdev_err(netdev,
+                          "Unable to request %s interrupt (return: %d)\n",
+                          test_bit(JME_FLAG_MSI, &jme->flags) ? "MSI" : "INTx",
+                          rc);
+
+               if (test_bit(JME_FLAG_MSI, &jme->flags)) {
+                       pci_disable_msi(jme->pdev);
+                       clear_bit(JME_FLAG_MSI, &jme->flags);
+               }
+       } else {
+               netdev->irq = jme->pdev->irq;
+       }
+
+       return rc;
+}
+
+static void
+jme_free_irq(struct jme_adapter *jme)
+{
+       free_irq(jme->pdev->irq, jme->dev);
+       if (test_bit(JME_FLAG_MSI, &jme->flags)) {
+               pci_disable_msi(jme->pdev);
+               clear_bit(JME_FLAG_MSI, &jme->flags);
+               jme->dev->irq = jme->pdev->irq;
+       }
+}
+
+static inline void
+jme_new_phy_on(struct jme_adapter *jme)
+{
+       u32 reg;
+
+       reg = jread32(jme, JME_PHY_PWR);
+       reg &= ~(PHY_PWR_DWN1SEL | PHY_PWR_DWN1SW |
+                PHY_PWR_DWN2 | PHY_PWR_CLKSEL);
+       jwrite32(jme, JME_PHY_PWR, reg);
+
+       pci_read_config_dword(jme->pdev, PCI_PRIV_PE1, &reg);
+       reg &= ~PE1_GPREG0_PBG;
+       reg |= PE1_GPREG0_ENBG;
+       pci_write_config_dword(jme->pdev, PCI_PRIV_PE1, reg);
+}
+
+static inline void
+jme_new_phy_off(struct jme_adapter *jme)
+{
+       u32 reg;
+
+       reg = jread32(jme, JME_PHY_PWR);
+       reg |= PHY_PWR_DWN1SEL | PHY_PWR_DWN1SW |
+              PHY_PWR_DWN2 | PHY_PWR_CLKSEL;
+       jwrite32(jme, JME_PHY_PWR, reg);
+
+       pci_read_config_dword(jme->pdev, PCI_PRIV_PE1, &reg);
+       reg &= ~PE1_GPREG0_PBG;
+       reg |= PE1_GPREG0_PDD3COLD;
+       pci_write_config_dword(jme->pdev, PCI_PRIV_PE1, reg);
+}
+
+static inline void
+jme_phy_on(struct jme_adapter *jme)
+{
+       u32 bmcr;
+
+       bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR);
+       bmcr &= ~BMCR_PDOWN;
+       jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, bmcr);
+
+       if (new_phy_power_ctrl(jme->chip_main_rev))
+               jme_new_phy_on(jme);
+}
+
+static inline void
+jme_phy_off(struct jme_adapter *jme)
+{
+       u32 bmcr;
+
+       bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR);
+       bmcr |= BMCR_PDOWN;
+       jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, bmcr);
+
+       if (new_phy_power_ctrl(jme->chip_main_rev))
+               jme_new_phy_off(jme);
+}
+
+static int
+jme_open(struct net_device *netdev)
+{
+       struct jme_adapter *jme = netdev_priv(netdev);
+       int rc;
+
+       jme_clear_pm(jme);
+       JME_NAPI_ENABLE(jme);
+
+       tasklet_enable(&jme->linkch_task);
+       tasklet_enable(&jme->txclean_task);
+       tasklet_hi_enable(&jme->rxclean_task);
+       tasklet_hi_enable(&jme->rxempty_task);
+
+       rc = jme_request_irq(jme);
+       if (rc)
+               goto err_out;
+
+       jme_start_irq(jme);
+
+       jme_phy_on(jme);
+       if (test_bit(JME_FLAG_SSET, &jme->flags))
+               jme_set_settings(netdev, &jme->old_ecmd);
+       else
+               jme_reset_phy_processor(jme);
+
+       jme_reset_link(jme);
+
+       return 0;
+
+err_out:
+       netif_stop_queue(netdev);
+       netif_carrier_off(netdev);
+       return rc;
+}
+
+static void
+jme_set_100m_half(struct jme_adapter *jme)
+{
+       u32 bmcr, tmp;
+
+       jme_phy_on(jme);
+       bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR);
+       tmp = bmcr & ~(BMCR_ANENABLE | BMCR_SPEED100 |
+                      BMCR_SPEED1000 | BMCR_FULLDPLX);
+       tmp |= BMCR_SPEED100;
+
+       if (bmcr != tmp)
+               jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, tmp);
+
+       if (jme->fpgaver)
+               jwrite32(jme, JME_GHC, GHC_SPEED_100M | GHC_LINK_POLL);
+       else
+               jwrite32(jme, JME_GHC, GHC_SPEED_100M);
+}
+
+#define JME_WAIT_LINK_TIME 2000 /* 2000ms */
+static void
+jme_wait_link(struct jme_adapter *jme)
+{
+       u32 phylink, to = JME_WAIT_LINK_TIME;
+
+       mdelay(1000);
+       phylink = jme_linkstat_from_phy(jme);
+       while (!(phylink & PHY_LINK_UP) && (to -= 10) > 0) {
+               mdelay(10);
+               phylink = jme_linkstat_from_phy(jme);
+       }
+}
+
+static void
+jme_powersave_phy(struct jme_adapter *jme)
+{
+       if (jme->reg_pmcs) {
+               jme_set_100m_half(jme);
+               if (jme->reg_pmcs & (PMCS_LFEN | PMCS_LREN))
+                       jme_wait_link(jme);
+               jme_clear_pm(jme);
+       } else {
+               jme_phy_off(jme);
+       }
+}
+
+static int
+jme_close(struct net_device *netdev)
+{
+       struct jme_adapter *jme = netdev_priv(netdev);
+
+       netif_stop_queue(netdev);
+       netif_carrier_off(netdev);
+
+       jme_stop_irq(jme);
+       jme_free_irq(jme);
+
+       JME_NAPI_DISABLE(jme);
+
+       tasklet_disable(&jme->linkch_task);
+       tasklet_disable(&jme->txclean_task);
+       tasklet_disable(&jme->rxclean_task);
+       tasklet_disable(&jme->rxempty_task);
+
+       jme_disable_rx_engine(jme);
+       jme_disable_tx_engine(jme);
+       jme_reset_mac_processor(jme);
+       jme_free_rx_resources(jme);
+       jme_free_tx_resources(jme);
+       jme->phylink = 0;
+       jme_phy_off(jme);
+
+       return 0;
+}
+
+static int
+jme_alloc_txdesc(struct jme_adapter *jme,
+                       struct sk_buff *skb)
+{
+       struct jme_ring *txring = &(jme->txring[0]);
+       int idx, nr_alloc, mask = jme->tx_ring_mask;
+
+       idx = txring->next_to_use;
+       nr_alloc = skb_shinfo(skb)->nr_frags + 2;
+
+       if (unlikely(atomic_read(&txring->nr_free) < nr_alloc))
+               return -1;
+
+       atomic_sub(nr_alloc, &txring->nr_free);
+
+       txring->next_to_use = (txring->next_to_use + nr_alloc) & mask;
+
+       return idx;
+}
+
+static void
+jme_fill_tx_map(struct pci_dev *pdev,
+               struct txdesc *txdesc,
+               struct jme_buffer_info *txbi,
+               struct page *page,
+               u32 page_offset,
+               u32 len,
+               u8 hidma)
+{
+       dma_addr_t dmaaddr;
+
+       dmaaddr = pci_map_page(pdev,
+                               page,
+                               page_offset,
+                               len,
+                               PCI_DMA_TODEVICE);
+
+       pci_dma_sync_single_for_device(pdev,
+                                      dmaaddr,
+                                      len,
+                                      PCI_DMA_TODEVICE);
+
+       txdesc->dw[0] = 0;
+       txdesc->dw[1] = 0;
+       txdesc->desc2.flags     = TXFLAG_OWN;
+       txdesc->desc2.flags     |= (hidma) ? TXFLAG_64BIT : 0;
+       txdesc->desc2.datalen   = cpu_to_le16(len);
+       txdesc->desc2.bufaddrh  = cpu_to_le32((__u64)dmaaddr >> 32);
+       txdesc->desc2.bufaddrl  = cpu_to_le32(
+                                       (__u64)dmaaddr & 0xFFFFFFFFUL);
+
+       txbi->mapping = dmaaddr;
+       txbi->len = len;
+}
+
+static void
+jme_map_tx_skb(struct jme_adapter *jme, struct sk_buff *skb, int idx)
+{
+       struct jme_ring *txring = &(jme->txring[0]);
+       struct txdesc *txdesc = txring->desc, *ctxdesc;
        struct jme_buffer_info *txbi = txring->bufinf, *ctxbi;
-       struct sk_buff *skb;
-       int i, end;
+       u8 hidma = jme->dev->features & NETIF_F_HIGHDMA;
+       int i, nr_frags = skb_shinfo(skb)->nr_frags;
+       int mask = jme->tx_ring_mask;
+       struct skb_frag_struct *frag;
+       u32 len;
+
+       for (i = 0 ; i < nr_frags ; ++i) {
+               frag = &skb_shinfo(skb)->frags[i];
+               ctxdesc = txdesc + ((idx + i + 2) & (mask));
+               ctxbi = txbi + ((idx + i + 2) & (mask));
+
+               jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi, frag->page,
+                                frag->page_offset, frag->size, hidma);
+       }
 
-#ifdef TX_TASKLET_DEBUG
-       dprintk(jme->dev->name, "into tasklet\n");
-#endif
+       len = skb_is_nonlinear(skb) ? skb_headlen(skb) : skb->len;
+       ctxdesc = txdesc + ((idx + 1) & (mask));
+       ctxbi = txbi + ((idx + 1) & (mask));
+       jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi, virt_to_page(skb->data),
+                       offset_in_page(skb->data), len, hidma);
 
-       end = txring->next_to_use;
-       for(i = txring->next_to_clean ; i != end ; ) {
-               ctxbi = txbi + i;
-               skb = ctxbi->skb;
-               if(skb && !(txdesc[i].desc1.flags & TXFLAG_OWN)) {
+}
 
-#ifdef TX_TASKLET_DEBUG
-                       dprintk(jme->dev->name, "cleaning %d\n", i);
-#endif
+static int
+jme_expand_header(struct jme_adapter *jme, struct sk_buff *skb)
+{
+       if (unlikely(skb_shinfo(skb)->gso_size &&
+                       skb_header_cloned(skb) &&
+                       pskb_expand_head(skb, 0, 0, GFP_ATOMIC))) {
+               dev_kfree_skb(skb);
+               return -1;
+       }
 
-                       pci_unmap_single(jme->pdev,
-                                        ctxbi->mapping,
-                                        skb->len,
-                                        PCI_DMA_TODEVICE);
+       return 0;
+}
 
-                       dev_kfree_skb(skb);
-                       prefetch(txbi + i + 1);
-                       prefetch(txdesc + i + 1);
-                       ctxbi->skb = NULL;
-                       ctxbi->mapping = 0;
-                       ctxbi->len = skb->len;
+static int
+jme_tx_tso(struct sk_buff *skb, __le16 *mss, u8 *flags)
+{
+       *mss = cpu_to_le16(skb_shinfo(skb)->gso_size << TXDESC_MSS_SHIFT);
+       if (*mss) {
+               *flags |= TXFLAG_LSEN;
+
+               if (skb->protocol == htons(ETH_P_IP)) {
+                       struct iphdr *iph = ip_hdr(skb);
+
+                       iph->check = 0;
+                       tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
+                                                               iph->daddr, 0,
+                                                               IPPROTO_TCP,
+                                                               0);
+               } else {
+                       struct ipv6hdr *ip6h = ipv6_hdr(skb);
+
+                       tcp_hdr(skb)->check = ~csum_ipv6_magic(&ip6h->saddr,
+                                                               &ip6h->daddr, 0,
+                                                               IPPROTO_TCP,
+                                                               0);
                }
-               else {
+
+               return 0;
+       }
+
+       return 1;
+}
+
+static void
+jme_tx_csum(struct jme_adapter *jme, struct sk_buff *skb, u8 *flags)
+{
+       if (skb->ip_summed == CHECKSUM_PARTIAL) {
+               u8 ip_proto;
+
+               switch (skb->protocol) {
+               case htons(ETH_P_IP):
+                       ip_proto = ip_hdr(skb)->protocol;
+                       break;
+               case htons(ETH_P_IPV6):
+                       ip_proto = ipv6_hdr(skb)->nexthdr;
+                       break;
+               default:
+                       ip_proto = 0;
                        break;
                }
 
-               if(unlikely(++i == RING_DESC_NR))
-                       i = 0;
+               switch (ip_proto) {
+               case IPPROTO_TCP:
+                       *flags |= TXFLAG_TCPCS;
+                       break;
+               case IPPROTO_UDP:
+                       *flags |= TXFLAG_UDPCS;
+                       break;
+               default:
+                       netif_err(jme, tx_err, jme->dev, "Error upper layer protocol\n");
+                       break;
+               }
        }
-       txring->next_to_clean = i;
+}
 
+static inline void
+jme_tx_vlan(struct sk_buff *skb, __le16 *vlan, u8 *flags)
+{
+       if (vlan_tx_tag_present(skb)) {
+               *flags |= TXFLAG_TAGON;
+               *vlan = cpu_to_le16(vlan_tx_tag_get(skb));
+       }
 }
 
-static void jme_process_receive(struct jme_adapter *jme)
+static int
+jme_fill_tx_desc(struct jme_adapter *jme, struct sk_buff *skb, int idx)
 {
-       struct net_device *netdev = jme->dev;
-       struct jme_ring *rxring = &(jme->rxring[0]);
-       struct RxDesc *rxdesc = rxring->desc;
-       struct jme_buffer_info *rxbi;
-       struct sk_buff *skb;
-       dma_addr_t buf_dma;
-       int i, j, start, cnt, ccnt;
-       unsigned int framesize, desccnt;
+       struct jme_ring *txring = &(jme->txring[0]);
+       struct txdesc *txdesc;
+       struct jme_buffer_info *txbi;
+       u8 flags;
+
+       txdesc = (struct txdesc *)txring->desc + idx;
+       txbi = txring->bufinf + idx;
 
+       txdesc->dw[0] = 0;
+       txdesc->dw[1] = 0;
+       txdesc->dw[2] = 0;
+       txdesc->dw[3] = 0;
+       txdesc->desc1.pktsize = cpu_to_le16(skb->len);
        /*
-        * Assume that one descriptor per frame,
-        * Should be fixed in the future
-        * (or not? If buffer already large enough to store entire packet.)
+        * Set OWN bit at final.
+        * When kernel transmit faster than NIC.
+        * And NIC trying to send this descriptor before we tell
+        * it to start sending this TX queue.
+        * Other fields are already filled correctly.
         */
-
-       spin_lock(&jme->recv_lock);
-       i = start = rxring->next_to_clean;
+       wmb();
+       flags = TXFLAG_OWN | TXFLAG_INT;
        /*
-        * Decide how many descriptors need to be processed
-        * In the worst cast we'll have to process entire queue
+        * Set checksum flags while not tso
         */
-       for(cnt = 0 ; cnt < RING_DESC_NR ; )
-       {
-               rxdesc = (struct RxDesc*)(rxring->desc) + i;
-               if((rxdesc->descwb.flags & RXWBFLAG_OWN) ||
-                  !(rxdesc->descwb.desccnt & RXWBDCNT_WBCPL)
-               ) {
-                       rxring->next_to_clean = i;
-                       break;
-               }
+       if (jme_tx_tso(skb, &txdesc->desc1.mss, &flags))
+               jme_tx_csum(jme, skb, &flags);
+       jme_tx_vlan(skb, &txdesc->desc1.vlan, &flags);
+       jme_map_tx_skb(jme, skb, idx);
+       txdesc->desc1.flags = flags;
+       /*
+        * Set tx buffer info after telling NIC to send
+        * For better tx_clean timing
+        */
+       wmb();
+       txbi->nr_desc = skb_shinfo(skb)->nr_frags + 2;
+       txbi->skb = skb;
+       txbi->len = skb->len;
+       txbi->start_xmit = jiffies;
+       if (!txbi->start_xmit)
+               txbi->start_xmit = (0UL-1);
 
-               desccnt = rxdesc->descwb.desccnt & RXWBDCNT_DCNT;
+       return 0;
+}
 
-               if(unlikely((cnt += desccnt) >= RING_DESC_NR)) {
-                       cnt -= desccnt;
-                       break;
+static void
+jme_stop_queue_if_full(struct jme_adapter *jme)
+{
+       struct jme_ring *txring = &(jme->txring[0]);
+       struct jme_buffer_info *txbi = txring->bufinf;
+       int idx = atomic_read(&txring->next_to_clean);
+
+       txbi += idx;
+
+       smp_wmb();
+       if (unlikely(atomic_read(&txring->nr_free) < (MAX_SKB_FRAGS+2))) {
+               netif_stop_queue(jme->dev);
+               netif_info(jme, tx_queued, jme->dev, "TX Queue Paused\n");
+               smp_wmb();
+               if (atomic_read(&txring->nr_free)
+                       >= (jme->tx_wake_threshold)) {
+                       netif_wake_queue(jme->dev);
+                       netif_info(jme, tx_queued, jme->dev, "TX Queue Fast Waked\n");
                }
+       }
 
-               if(unlikely((i += desccnt) >= RING_DESC_NR))
-                       i -= RING_DESC_NR;
+       if (unlikely(txbi->start_xmit &&
+                       (jiffies - txbi->start_xmit) >= TX_TIMEOUT &&
+                       txbi->skb)) {
+               netif_stop_queue(jme->dev);
+               netif_info(jme, tx_queued, jme->dev,
+                          "TX Queue Stopped %d@%lu\n", idx, jiffies);
        }
-       spin_unlock(&jme->recv_lock);
+}
 
-       /*
-        * Process descriptors independently accross cpu
-        *      --- save for multiple cpu handling
-        */
-       for( i = start ; cnt-- ; ) {
-               rxdesc = (struct RxDesc*)(rxring->desc) + i;
-               desccnt = rxdesc->descwb.desccnt & RXWBDCNT_DCNT;
-               rxbi = rxring->bufinf + i;
-               if(unlikely(
-                       /*
-                        * Drop and record error packet
-                        */
-                       rxdesc->descwb.errstat & RXWBERR_ALLERR ||
-                       desccnt > 1)) {
-                       if(rxdesc->descwb.errstat & RXWBERR_OVERUN)
-                               ++(NET_STAT.rx_fifo_errors);
-                       else if(rxdesc->descwb.errstat & RXWBERR_CRCERR)
-                               ++(NET_STAT.rx_frame_errors);
-                       else {
-                               ++(NET_STAT.rx_errors);
-#ifdef RX_ERR_DEBUG
-                               dprintk(netdev->name, "err: %02x\n", rxdesc->descwb.errstat);
-#endif
-                       }
+/*
+ * This function is already protected by netif_tx_lock()
+ */
+
+static netdev_tx_t
+jme_start_xmit(struct sk_buff *skb, struct net_device *netdev)
+{
+       struct jme_adapter *jme = netdev_priv(netdev);
+       int idx;
 
-                       if(desccnt > 1)
-                               cnt -= desccnt-1;
+       if (unlikely(jme_expand_header(jme, skb))) {
+               ++(NET_STAT(jme).tx_dropped);
+               return NETDEV_TX_OK;
+       }
 
-                       for(j=i,ccnt=desccnt;ccnt--;) {
-                               jme_set_clean_rxdesc(jme, j);
+       idx = jme_alloc_txdesc(jme, skb);
 
-                               if(unlikely(++j == RING_DESC_NR))
-                                       j = 0;
-                       }
-               }
-               else {
-                       /*
-                       * Pass received packet to kernel
-                       */
-                       skb = rxbi->skb;
-                       buf_dma = rxbi->mapping;
-                       pci_dma_sync_single_for_cpu(jme->pdev,
-                                                   buf_dma,
-                                                   RX_BUF_SIZE,
-                                                   PCI_DMA_FROMDEVICE);
-
-                       if(unlikely(jme_make_new_rx_buf(jme, i))) {
-                               pci_dma_sync_single_for_device(jme->pdev,
-                                                              buf_dma,
-                                                              RX_BUF_SIZE,
-                                                              PCI_DMA_FROMDEVICE);
-                               ++(NET_STAT.rx_dropped);
-                       }
-                       else {
-                               framesize = le16_to_cpu(rxdesc->descwb.framesize);
+       if (unlikely(idx < 0)) {
+               netif_stop_queue(netdev);
+               netif_err(jme, tx_err, jme->dev,
+                         "BUG! Tx ring full when queue awake!\n");
 
-                               skb_put(skb, framesize);
-                               skb->protocol = eth_type_trans(skb, netdev);
+               return NETDEV_TX_BUSY;
+       }
 
-                               netif_rx(skb);
+       jme_fill_tx_desc(jme, skb, idx);
 
-                               if(le16_to_cpu(rxdesc->descwb.flags) & RXWBFLAG_DEST_MUL)
-                                       ++(NET_STAT.multicast);
+       jwrite32(jme, JME_TXCS, jme->reg_txcs |
+                               TXCS_SELECT_QUEUE0 |
+                               TXCS_QUEUE0S |
+                               TXCS_ENABLE);
 
-                               netdev->last_rx = jiffies;
-                               NET_STAT.rx_bytes += framesize;
-                               ++(NET_STAT.rx_packets);
-                       }
+       tx_dbg(jme, "xmit: %d+%d@%lu\n",
+              idx, skb_shinfo(skb)->nr_frags + 2, jiffies);
+       jme_stop_queue_if_full(jme);
 
-                       jme_set_clean_rxdesc(jme, i);
-
-#ifdef RX_PKT_DEBUG
-                       dprintk(netdev->name, "DESCCNT: %u, FSIZE: %u, ADDRH: %08x, "
-                               "ADDRL: %08x, FLAGS: %04x, STAT: %02x, "
-                               "DST:%02x:%02x:%02x:%02x:%02x:%02x\n",
-                               desccnt,
-                               framesize,
-                               le32_to_cpu(rxdesc->dw[2]),
-                               le32_to_cpu(rxdesc->dw[3]),
-                               le16_to_cpu(rxdesc->descwb.flags),
-                               rxdesc->descwb.errstat,
-                               rxbuf[0], rxbuf[1], rxbuf[2],
-                               rxbuf[3], rxbuf[4], rxbuf[5]);
-#endif
+       return NETDEV_TX_OK;
+}
 
+static void
+jme_set_unicastaddr(struct net_device *netdev)
+{
+       struct jme_adapter *jme = netdev_priv(netdev);
+       u32 val;
 
-               }
+       val = (netdev->dev_addr[3] & 0xff) << 24 |
+             (netdev->dev_addr[2] & 0xff) << 16 |
+             (netdev->dev_addr[1] & 0xff) <<  8 |
+             (netdev->dev_addr[0] & 0xff);
+       jwrite32(jme, JME_RXUMA_LO, val);
+       val = (netdev->dev_addr[5] & 0xff) << 8 |
+             (netdev->dev_addr[4] & 0xff);
+       jwrite32(jme, JME_RXUMA_HI, val);
+}
 
+static int
+jme_set_macaddr(struct net_device *netdev, void *p)
+{
+       struct jme_adapter *jme = netdev_priv(netdev);
+       struct sockaddr *addr = p;
 
-               if(unlikely((i+=desccnt) >= RING_DESC_NR))
-                       i -= RING_DESC_NR;
+       if (netif_running(netdev))
+               return -EBUSY;
 
-       }
+       spin_lock_bh(&jme->macaddr_lock);
+       memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
+       jme_set_unicastaddr(netdev);
+       spin_unlock_bh(&jme->macaddr_lock);
 
+       return 0;
 }
 
-static void jme_rx_clean_tasklet(unsigned long arg)
+static void
+jme_set_multi(struct net_device *netdev)
 {
-       struct jme_adapter *jme = (struct jme_adapter*)arg;
-       
-       jme_process_receive(jme);
-       if(jme->flags & JME_FLAG_RXQ0_EMPTY) {
-               jme_restart_rx_engine(jme);
-               jme->flags &= ~JME_FLAG_RXQ0_EMPTY;
+       struct jme_adapter *jme = netdev_priv(netdev);
+       u32 mc_hash[2] = {};
+
+       spin_lock_bh(&jme->rxmcs_lock);
+
+       jme->reg_rxmcs |= RXMCS_BRDFRAME | RXMCS_UNIFRAME;
+
+       if (netdev->flags & IFF_PROMISC) {
+               jme->reg_rxmcs |= RXMCS_ALLFRAME;
+       } else if (netdev->flags & IFF_ALLMULTI) {
+               jme->reg_rxmcs |= RXMCS_ALLMULFRAME;
+       } else if (netdev->flags & IFF_MULTICAST) {
+               struct netdev_hw_addr *ha;
+               int bit_nr;
+
+               jme->reg_rxmcs |= RXMCS_MULFRAME | RXMCS_MULFILTERED;
+               netdev_for_each_mc_addr(ha, netdev) {
+                       bit_nr = ether_crc(ETH_ALEN, ha->addr) & 0x3F;
+                       mc_hash[bit_nr >> 5] |= 1 << (bit_nr & 0x1F);
+               }
+
+               jwrite32(jme, JME_RXMCHT_LO, mc_hash[0]);
+               jwrite32(jme, JME_RXMCHT_HI, mc_hash[1]);
        }
 
+       wmb();
+       jwrite32(jme, JME_RXMCS, jme->reg_rxmcs);
+
+       spin_unlock_bh(&jme->rxmcs_lock);
 }
 
-static irqreturn_t jme_intr(int irq, void *dev_id)
+static int
+jme_change_mtu(struct net_device *netdev, int new_mtu)
 {
-        struct net_device *netdev = dev_id;
-        struct jme_adapter *jme = netdev_priv(netdev);
-       irqreturn_t rc = IRQ_HANDLED;
-       __u32 intrstat;
+       struct jme_adapter *jme = netdev_priv(netdev);
 
-#if USE_IEVE_SHADOW
-       pci_dma_sync_single_for_cpu(jme->pdev,
-                                   jme->shadow_dma,
-                                   sizeof(__u32) * SHADOW_REG_NR,
-                                   PCI_DMA_FROMDEVICE);
-       intrstat = jme->shadow_regs[SHADOW_IEVE];
-       jme->shadow_regs[SHADOW_IEVE] = 0;
-#else
-       intrstat = jread32(jme, JME_IEVE);
-#endif
+       if (new_mtu == jme->old_mtu)
+               return 0;
 
+       if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
+               ((new_mtu) < IPV6_MIN_MTU))
+               return -EINVAL;
 
-#ifdef INTERRUPT_DEBUG
-       dprintk(netdev->name, "Interrupt received(%08x) @ %lu.\n", intrstat, jiffies);
-#endif
+       if (new_mtu > 4000) {
+               jme->reg_rxcs &= ~RXCS_FIFOTHNP;
+               jme->reg_rxcs |= RXCS_FIFOTHNP_64QW;
+               jme_restart_rx_engine(jme);
+       } else {
+               jme->reg_rxcs &= ~RXCS_FIFOTHNP;
+               jme->reg_rxcs |= RXCS_FIFOTHNP_128QW;
+               jme_restart_rx_engine(jme);
+       }
+
+       netdev->mtu = new_mtu;
+       netdev_update_features(netdev);
+
+       jme_reset_link(jme);
+
+       return 0;
+}
+
+static void
+jme_tx_timeout(struct net_device *netdev)
+{
+       struct jme_adapter *jme = netdev_priv(netdev);
+
+       jme->phylink = 0;
+       jme_reset_phy_processor(jme);
+       if (test_bit(JME_FLAG_SSET, &jme->flags))
+               jme_set_settings(netdev, &jme->old_ecmd);
 
        /*
-        * Check if it's really an interrupt for us
-        * and if the device still exist
+        * Force to Reset the link again
         */
-        if((intrstat & INTR_ENABLE) == 0) {
-               rc = IRQ_NONE;
-               goto out;
+       jme_reset_link(jme);
+}
+
+static inline void jme_pause_rx(struct jme_adapter *jme)
+{
+       atomic_dec(&jme->link_changing);
+
+       jme_set_rx_pcc(jme, PCC_OFF);
+       if (test_bit(JME_FLAG_POLL, &jme->flags)) {
+               JME_NAPI_DISABLE(jme);
+       } else {
+               tasklet_disable(&jme->rxclean_task);
+               tasklet_disable(&jme->rxempty_task);
        }
-       if(unlikely(intrstat == ~((typeof(intrstat))0))) {
-                rc = IRQ_NONE;
-               goto out;
+}
+
+static inline void jme_resume_rx(struct jme_adapter *jme)
+{
+       struct dynpcc_info *dpi = &(jme->dpi);
+
+       if (test_bit(JME_FLAG_POLL, &jme->flags)) {
+               JME_NAPI_ENABLE(jme);
+       } else {
+               tasklet_hi_enable(&jme->rxclean_task);
+               tasklet_hi_enable(&jme->rxempty_task);
+       }
+       dpi->cur                = PCC_P1;
+       dpi->attempt            = PCC_P1;
+       dpi->cnt                = 0;
+       jme_set_rx_pcc(jme, PCC_P1);
+
+       atomic_inc(&jme->link_changing);
+}
+
+static void
+jme_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
+{
+       struct jme_adapter *jme = netdev_priv(netdev);
+
+       jme_pause_rx(jme);
+       jme->vlgrp = grp;
+       jme_resume_rx(jme);
+}
+
+static void
+jme_get_drvinfo(struct net_device *netdev,
+                    struct ethtool_drvinfo *info)
+{
+       struct jme_adapter *jme = netdev_priv(netdev);
+
+       strcpy(info->driver, DRV_NAME);
+       strcpy(info->version, DRV_VERSION);
+       strcpy(info->bus_info, pci_name(jme->pdev));
+}
+
+static int
+jme_get_regs_len(struct net_device *netdev)
+{
+       return JME_REG_LEN;
+}
+
+static void
+mmapio_memcpy(struct jme_adapter *jme, u32 *p, u32 reg, int len)
+{
+       int i;
+
+       for (i = 0 ; i < len ; i += 4)
+               p[i >> 2] = jread32(jme, reg + i);
+}
+
+static void
+mdio_memcpy(struct jme_adapter *jme, u32 *p, int reg_nr)
+{
+       int i;
+       u16 *p16 = (u16 *)p;
+
+       for (i = 0 ; i < reg_nr ; ++i)
+               p16[i] = jme_mdio_read(jme->dev, jme->mii_if.phy_id, i);
+}
+
+static void
+jme_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
+{
+       struct jme_adapter *jme = netdev_priv(netdev);
+       u32 *p32 = (u32 *)p;
+
+       memset(p, 0xFF, JME_REG_LEN);
+
+       regs->version = 1;
+       mmapio_memcpy(jme, p32, JME_MAC, JME_MAC_LEN);
+
+       p32 += 0x100 >> 2;
+       mmapio_memcpy(jme, p32, JME_PHY, JME_PHY_LEN);
+
+       p32 += 0x100 >> 2;
+       mmapio_memcpy(jme, p32, JME_MISC, JME_MISC_LEN);
+
+       p32 += 0x100 >> 2;
+       mmapio_memcpy(jme, p32, JME_RSS, JME_RSS_LEN);
+
+       p32 += 0x100 >> 2;
+       mdio_memcpy(jme, p32, JME_PHY_REG_NR);
+}
+
+static int
+jme_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ecmd)
+{
+       struct jme_adapter *jme = netdev_priv(netdev);
+
+       ecmd->tx_coalesce_usecs = PCC_TX_TO;
+       ecmd->tx_max_coalesced_frames = PCC_TX_CNT;
+
+       if (test_bit(JME_FLAG_POLL, &jme->flags)) {
+               ecmd->use_adaptive_rx_coalesce = false;
+               ecmd->rx_coalesce_usecs = 0;
+               ecmd->rx_max_coalesced_frames = 0;
+               return 0;
+       }
+
+       ecmd->use_adaptive_rx_coalesce = true;
+
+       switch (jme->dpi.cur) {
+       case PCC_P1:
+               ecmd->rx_coalesce_usecs = PCC_P1_TO;
+               ecmd->rx_max_coalesced_frames = PCC_P1_CNT;
+               break;
+       case PCC_P2:
+               ecmd->rx_coalesce_usecs = PCC_P2_TO;
+               ecmd->rx_max_coalesced_frames = PCC_P2_CNT;
+               break;
+       case PCC_P3:
+               ecmd->rx_coalesce_usecs = PCC_P3_TO;
+               ecmd->rx_max_coalesced_frames = PCC_P3_CNT;
+               break;
+       default:
+               break;
+       }
+
+       return 0;
+}
+
+static int
+jme_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ecmd)
+{
+       struct jme_adapter *jme = netdev_priv(netdev);
+       struct dynpcc_info *dpi = &(jme->dpi);
+
+       if (netif_running(netdev))
+               return -EBUSY;
+
+       if (ecmd->use_adaptive_rx_coalesce &&
+           test_bit(JME_FLAG_POLL, &jme->flags)) {
+               clear_bit(JME_FLAG_POLL, &jme->flags);
+               jme->jme_rx = netif_rx;
+               jme->jme_vlan_rx = vlan_hwaccel_rx;
+               dpi->cur                = PCC_P1;
+               dpi->attempt            = PCC_P1;
+               dpi->cnt                = 0;
+               jme_set_rx_pcc(jme, PCC_P1);
+               jme_interrupt_mode(jme);
+       } else if (!(ecmd->use_adaptive_rx_coalesce) &&
+                  !(test_bit(JME_FLAG_POLL, &jme->flags))) {
+               set_bit(JME_FLAG_POLL, &jme->flags);
+               jme->jme_rx = netif_receive_skb;
+               jme->jme_vlan_rx = vlan_hwaccel_receive_skb;
+               jme_interrupt_mode(jme);
        }
 
+       return 0;
+}
+
+static void
+jme_get_pauseparam(struct net_device *netdev,
+                       struct ethtool_pauseparam *ecmd)
+{
+       struct jme_adapter *jme = netdev_priv(netdev);
+       u32 val;
+
+       ecmd->tx_pause = (jme->reg_txpfc & TXPFC_PF_EN) != 0;
+       ecmd->rx_pause = (jme->reg_rxmcs & RXMCS_FLOWCTRL) != 0;
+
+       spin_lock_bh(&jme->phy_lock);
+       val = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_ADVERTISE);
+       spin_unlock_bh(&jme->phy_lock);
+
+       ecmd->autoneg =
+               (val & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM)) != 0;
+}
+
+static int
+jme_set_pauseparam(struct net_device *netdev,
+                       struct ethtool_pauseparam *ecmd)
+{
+       struct jme_adapter *jme = netdev_priv(netdev);
+       u32 val;
+
+       if (((jme->reg_txpfc & TXPFC_PF_EN) != 0) ^
+               (ecmd->tx_pause != 0)) {
 
-       if(intrstat & INTR_LINKCH) {
-               /*
-                * Process Link status change event
-                */
-               tasklet_schedule(&jme->linkch_task);
+               if (ecmd->tx_pause)
+                       jme->reg_txpfc |= TXPFC_PF_EN;
+               else
+                       jme->reg_txpfc &= ~TXPFC_PF_EN;
+
+               jwrite32(jme, JME_TXPFC, jme->reg_txpfc);
        }
 
-       if(intrstat & INTR_RX0EMP) {
-               /*
-                * Process event
-                */
-               jme->flags |= JME_FLAG_RXQ0_EMPTY;
+       spin_lock_bh(&jme->rxmcs_lock);
+       if (((jme->reg_rxmcs & RXMCS_FLOWCTRL) != 0) ^
+               (ecmd->rx_pause != 0)) {
 
-                jeprintk(netdev->name, "Ranout of Receive Queue 0.\n");
+               if (ecmd->rx_pause)
+                       jme->reg_rxmcs |= RXMCS_FLOWCTRL;
+               else
+                       jme->reg_rxmcs &= ~RXMCS_FLOWCTRL;
+
+               jwrite32(jme, JME_RXMCS, jme->reg_rxmcs);
        }
+       spin_unlock_bh(&jme->rxmcs_lock);
 
-       if(intrstat & INTR_RX0) {
-               /*
-                * Process event
-                */
-               tasklet_schedule(&jme->rxclean_task);
+       spin_lock_bh(&jme->phy_lock);
+       val = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_ADVERTISE);
+       if (((val & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM)) != 0) ^
+               (ecmd->autoneg != 0)) {
 
-#ifdef RX_PKT_DEBUG
-                dprintk(netdev->name, "Received From Queue 0.\n");
-#endif
+               if (ecmd->autoneg)
+                       val |= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
+               else
+                       val &= ~(ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
+
+               jme_mdio_write(jme->dev, jme->mii_if.phy_id,
+                               MII_ADVERTISE, val);
        }
+       spin_unlock_bh(&jme->phy_lock);
 
-       if(intrstat & INTR_TX0) {
-               /*
-                * Process event
-                */
-               tasklet_schedule(&jme->txclean_task);
+       return 0;
+}
 
-#ifdef TX_PKT_DEBUG
-                dprintk(netdev->name, "Queue 0 transmit complete.\n");
-#endif
-       }
+static void
+jme_get_wol(struct net_device *netdev,
+               struct ethtool_wolinfo *wol)
+{
+       struct jme_adapter *jme = netdev_priv(netdev);
 
-        if((intrstat & ~INTR_ENABLE) != 0) {
-#ifdef INTERRUPT_DEBUG
-               dprintk(netdev->name, "Some interrupt event not handled: %08x\n", intrstat & ~INTR_ENABLE);
-#endif
-       }
+       wol->supported = WAKE_MAGIC | WAKE_PHY;
 
-       /*
-        * Deassert interrupts
-        */
-       jwrite32(jme, JME_IEVE, intrstat & INTR_ENABLE);
+       wol->wolopts = 0;
+
+       if (jme->reg_pmcs & (PMCS_LFEN | PMCS_LREN))
+               wol->wolopts |= WAKE_PHY;
+
+       if (jme->reg_pmcs & PMCS_MFEN)
+               wol->wolopts |= WAKE_MAGIC;
 
-out:
-        return rc;
 }
 
-static int jme_open(struct net_device *netdev)
+static int
+jme_set_wol(struct net_device *netdev,
+               struct ethtool_wolinfo *wol)
 {
        struct jme_adapter *jme = netdev_priv(netdev);
-       int rc;
 
-       rc = request_irq(jme->pdev->irq, jme_intr,
-                        IRQF_SHARED, netdev->name, netdev);
-       if(rc) {
-               printk(KERN_ERR PFX "Requesting IRQ error.\n");
-               goto err_out;
-       }
+       if (wol->wolopts & (WAKE_MAGICSECURE |
+                               WAKE_UCAST |
+                               WAKE_MCAST |
+                               WAKE_BCAST |
+                               WAKE_ARP))
+               return -EOPNOTSUPP;
 
-       rc = jme_setup_rx_resources(jme);
-       if(rc) {
-               printk(KERN_ERR PFX "Allocating resources for RX error.\n");
-               goto err_out_free_irq;
-       }
+       jme->reg_pmcs = 0;
 
+       if (wol->wolopts & WAKE_PHY)
+               jme->reg_pmcs |= PMCS_LFEN | PMCS_LREN;
 
-       rc = jme_setup_tx_resources(jme);
-       if(rc) {
-               printk(KERN_ERR PFX "Allocating resources for TX error.\n");
-               goto err_out_free_rx_resources;
-       }
+       if (wol->wolopts & WAKE_MAGIC)
+               jme->reg_pmcs |= PMCS_MFEN;
 
-       jme_reset_mac_processor(jme);
-       jme_check_link(netdev);
-       jme_enable_shadow(jme);
-       jme_start_irq(jme);
-       jme_enable_rx_engine(jme);
-       jme_enable_tx_engine(jme);
-       netif_start_queue(netdev);
+       jwrite32(jme, JME_PMCS, jme->reg_pmcs);
+       device_set_wakeup_enable(&jme->pdev->dev, !!(jme->reg_pmcs));
 
        return 0;
+}
 
-err_out_free_rx_resources:
-       jme_free_rx_resources(jme);
-err_out_free_irq:
-       free_irq(jme->pdev->irq, jme->dev);
-err_out:
-       netif_stop_queue(netdev);
-       netif_carrier_off(netdev);
+static int
+jme_get_settings(struct net_device *netdev,
+                    struct ethtool_cmd *ecmd)
+{
+       struct jme_adapter *jme = netdev_priv(netdev);
+       int rc;
+
+       spin_lock_bh(&jme->phy_lock);
+       rc = mii_ethtool_gset(&(jme->mii_if), ecmd);
+       spin_unlock_bh(&jme->phy_lock);
        return rc;
 }
 
-static int jme_close(struct net_device *netdev)
+static int
+jme_set_settings(struct net_device *netdev,
+                    struct ethtool_cmd *ecmd)
 {
        struct jme_adapter *jme = netdev_priv(netdev);
+       int rc, fdc = 0;
 
-       netif_stop_queue(netdev);
-       netif_carrier_off(netdev);
+       if (ethtool_cmd_speed(ecmd) == SPEED_1000
+           && ecmd->autoneg != AUTONEG_ENABLE)
+               return -EINVAL;
 
-       jme_stop_irq(jme);
-       jme_disable_shadow(jme);
-       free_irq(jme->pdev->irq, jme->dev);
+       /*
+        * Check If user changed duplex only while force_media.
+        * Hardware would not generate link change interrupt.
+        */
+       if (jme->mii_if.force_media &&
+       ecmd->autoneg != AUTONEG_ENABLE &&
+       (jme->mii_if.full_duplex != ecmd->duplex))
+               fdc = 1;
 
-       tasklet_kill(&jme->linkch_task);
-       tasklet_kill(&jme->txclean_task);
-       tasklet_kill(&jme->rxclean_task);
-       jme_disable_rx_engine(jme);
-       jme_disable_tx_engine(jme);
-       jme_free_rx_resources(jme);
-       jme_free_tx_resources(jme);
+       spin_lock_bh(&jme->phy_lock);
+       rc = mii_ethtool_sset(&(jme->mii_if), ecmd);
+       spin_unlock_bh(&jme->phy_lock);
 
-       return 0;
+       if (!rc) {
+               if (fdc)
+                       jme_reset_link(jme);
+               jme->old_ecmd = *ecmd;
+               set_bit(JME_FLAG_SSET, &jme->flags);
+       }
+
+       return rc;
 }
 
-static int jme_start_xmit(struct sk_buff *skb, struct net_device *netdev)
+static int
+jme_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
 {
-        struct jme_adapter *jme = netdev_priv(netdev);
-       struct jme_ring *txring = &(jme->txring[0]);
-       struct TxDesc *txdesc = txring->desc;
-       int idx;
-
-       /*
-        * Check if transmit queue is already full
-        * and take one descriptor to use
-        */
-       spin_lock(&jme->xmit_lock);
-       idx = txring->next_to_use;
-       if(unlikely(txdesc[idx].desc1.flags & TXFLAG_OWN)) {
-               spin_unlock(&jme->xmit_lock);
-#ifdef TX_BUSY_DEBUG
-               dprintk(netdev->name, "TX Device busy.\n");
-#endif
-               return NETDEV_TX_BUSY;
+       int rc;
+       struct jme_adapter *jme = netdev_priv(netdev);
+       struct mii_ioctl_data *mii_data = if_mii(rq);
+       unsigned int duplex_chg;
+
+       if (cmd == SIOCSMIIREG) {
+               u16 val = mii_data->val_in;
+               if (!(val & (BMCR_RESET|BMCR_ANENABLE)) &&
+                   (val & BMCR_SPEED1000))
+                       return -EINVAL;
        }
-       if(unlikely(++(txring->next_to_use) == RING_DESC_NR))
-               txring->next_to_use = 0;
-       spin_unlock(&jme->xmit_lock);
 
-       /*
-        * Fill up TX descriptors
-        */
-       jme_set_new_txdesc(jme, idx, skb);
+       spin_lock_bh(&jme->phy_lock);
+       rc = generic_mii_ioctl(&jme->mii_if, mii_data, cmd, &duplex_chg);
+       spin_unlock_bh(&jme->phy_lock);
 
-       /*
-        * Tell MAC HW to send
-        */
-       jwrite32(jme, JME_TXCS, jme->reg_txcs |
-                               TXCS_SELECT_QUEUE0 |
-                               TXCS_QUEUE0S |
-                               TXCS_ENABLE);
+       if (!rc && (cmd == SIOCSMIIREG)) {
+               if (duplex_chg)
+                       jme_reset_link(jme);
+               jme_get_settings(netdev, &jme->old_ecmd);
+               set_bit(JME_FLAG_SSET, &jme->flags);
+       }
 
-#ifdef TX_PKT_DEBUG
-       dprintk(netdev->name, "Asked to transmit.\n");
-#endif
+       return rc;
+}
 
-       NET_STAT.tx_bytes += skb->len;
-       ++(NET_STAT.tx_packets);
-       netdev->trans_start = jiffies;
+static u32
+jme_get_link(struct net_device *netdev)
+{
+       struct jme_adapter *jme = netdev_priv(netdev);
+       return jread32(jme, JME_PHY_LINK) & PHY_LINK_UP;
+}
 
-        return NETDEV_TX_OK;
+static u32
+jme_get_msglevel(struct net_device *netdev)
+{
+       struct jme_adapter *jme = netdev_priv(netdev);
+       return jme->msg_enable;
 }
 
-static int jme_set_macaddr(struct net_device *netdev, void *p)
+static void
+jme_set_msglevel(struct net_device *netdev, u32 value)
 {
-        struct jme_adapter *jme = netdev_priv(netdev);
-       struct sockaddr *addr = p;
-       __u32 val;
+       struct jme_adapter *jme = netdev_priv(netdev);
+       jme->msg_enable = value;
+}
 
-       if(netif_running(netdev))
-               return -EBUSY;
+static u32
+jme_fix_features(struct net_device *netdev, u32 features)
+{
+       if (netdev->mtu > 1900)
+               features &= ~(NETIF_F_ALL_TSO | NETIF_F_ALL_CSUM);
+       return features;
+}
 
-       spin_lock(&jme->macaddr_lock);
-       memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
+static int
+jme_set_features(struct net_device *netdev, u32 features)
+{
+       struct jme_adapter *jme = netdev_priv(netdev);
 
-       val = addr->sa_data[3] << 24 |
-             addr->sa_data[2] << 16 |
-             addr->sa_data[1] <<  8 |
-             addr->sa_data[0];
-       jwrite32(jme, JME_RXUMA_LO, val);
-       val = addr->sa_data[5] << 8 |
-             addr->sa_data[4];
-       jwrite32(jme, JME_RXUMA_HI, val);
-       spin_unlock(&jme->macaddr_lock);
+       spin_lock_bh(&jme->rxmcs_lock);
+       if (features & NETIF_F_RXCSUM)
+               jme->reg_rxmcs |= RXMCS_CHECKSUM;
+       else
+               jme->reg_rxmcs &= ~RXMCS_CHECKSUM;
+       jwrite32(jme, JME_RXMCS, jme->reg_rxmcs);
+       spin_unlock_bh(&jme->rxmcs_lock);
 
        return 0;
 }
 
-static void jme_set_multi(struct net_device *netdev)
+static int
+jme_nway_reset(struct net_device *netdev)
 {
-        struct jme_adapter *jme = netdev_priv(netdev);
-       u32 mc_hash[2] = {};
-       __u32 val;
-       int i;
-
+       struct jme_adapter *jme = netdev_priv(netdev);
+       jme_restart_an(jme);
+       return 0;
+}
 
-       spin_lock(&jme->macaddr_lock);
-       val = RXMCS_BRDFRAME | RXMCS_UNIFRAME;
-
-        if (netdev->flags & IFF_PROMISC)
-               val |= RXMCS_ALLFRAME;
-        else if (netdev->flags & IFF_ALLMULTI)
-               val |= RXMCS_ALLMULFRAME;
-       else if(netdev->flags & IFF_MULTICAST) {
-                struct dev_mc_list *mclist;
-                int bit_nr;
-
-               val |= RXMCS_MULFRAME | RXMCS_MULFILTERED;
-                for (i = 0, mclist = netdev->mc_list;
-                     mclist && i < netdev->mc_count;
-                     ++i, mclist = mclist->next) {
-                        bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) & 0x3F;
-                        mc_hash[bit_nr >> 5] |= 1 << (bit_nr & 0x1F);
-#ifdef SET_MULTI_DEBUG
-                       dprintk(netdev->name, "Adding MCAddr: "
-                               "%02x:%02x:%02x:%02x:%02x:%02x (%d)\n",
-                               mclist->dmi_addr[0],
-                               mclist->dmi_addr[1],
-                               mclist->dmi_addr[2],
-                               mclist->dmi_addr[3],
-                               mclist->dmi_addr[4],
-                               mclist->dmi_addr[5],
-                               bit_nr);
-#endif
-                }
+static u8
+jme_smb_read(struct jme_adapter *jme, unsigned int addr)
+{
+       u32 val;
+       int to;
 
-               jwrite32(jme, JME_RXMCHT_LO, mc_hash[0]);
-               jwrite32(jme, JME_RXMCHT_HI, mc_hash[1]);
+       val = jread32(jme, JME_SMBCSR);
+       to = JME_SMB_BUSY_TIMEOUT;
+       while ((val & SMBCSR_BUSY) && --to) {
+               msleep(1);
+               val = jread32(jme, JME_SMBCSR);
+       }
+       if (!to) {
+               netif_err(jme, hw, jme->dev, "SMB Bus Busy\n");
+               return 0xFF;
        }
 
+       jwrite32(jme, JME_SMBINTF,
+               ((addr << SMBINTF_HWADDR_SHIFT) & SMBINTF_HWADDR) |
+               SMBINTF_HWRWN_READ |
+               SMBINTF_HWCMD);
 
-       wmb();
-       jwrite32(jme, JME_RXMCS, val);
-       spin_unlock(&jme->macaddr_lock);
+       val = jread32(jme, JME_SMBINTF);
+       to = JME_SMB_BUSY_TIMEOUT;
+       while ((val & SMBINTF_HWCMD) && --to) {
+               msleep(1);
+               val = jread32(jme, JME_SMBINTF);
+       }
+       if (!to) {
+               netif_err(jme, hw, jme->dev, "SMB Bus Busy\n");
+               return 0xFF;
+       }
 
-#ifdef SET_MULTI_DEBUG
-       dprintk(netdev->name, "RX Mode changed: %08x\n", val);
-#endif
+       return (val & SMBINTF_HWDATR) >> SMBINTF_HWDATR_SHIFT;
 }
 
-static int jme_change_mtu(struct net_device *dev, int new_mtu)
+static void
+jme_smb_write(struct jme_adapter *jme, unsigned int addr, u8 data)
 {
-       /*
-        * Do not support MTU change for now.
-        */
-       return -EINVAL;
-}
+       u32 val;
+       int to;
 
-static void jme_get_drvinfo(struct net_device *netdev,
-                             struct ethtool_drvinfo *info)
-{
-        struct jme_adapter *jme = netdev_priv(netdev);
+       val = jread32(jme, JME_SMBCSR);
+       to = JME_SMB_BUSY_TIMEOUT;
+       while ((val & SMBCSR_BUSY) && --to) {
+               msleep(1);
+               val = jread32(jme, JME_SMBCSR);
+       }
+       if (!to) {
+               netif_err(jme, hw, jme->dev, "SMB Bus Busy\n");
+               return;
+       }
 
-        strcpy(info->driver, DRV_NAME);
-        strcpy(info->version, DRV_VERSION);
-        strcpy(info->bus_info, pci_name(jme->pdev));
+       jwrite32(jme, JME_SMBINTF,
+               ((data << SMBINTF_HWDATW_SHIFT) & SMBINTF_HWDATW) |
+               ((addr << SMBINTF_HWADDR_SHIFT) & SMBINTF_HWADDR) |
+               SMBINTF_HWRWN_WRITE |
+               SMBINTF_HWCMD);
+
+       val = jread32(jme, JME_SMBINTF);
+       to = JME_SMB_BUSY_TIMEOUT;
+       while ((val & SMBINTF_HWCMD) && --to) {
+               msleep(1);
+               val = jread32(jme, JME_SMBINTF);
+       }
+       if (!to) {
+               netif_err(jme, hw, jme->dev, "SMB Bus Busy\n");
+               return;
+       }
+
+       mdelay(2);
 }
 
-static int jme_get_settings(struct net_device *netdev,
-                            struct ethtool_cmd *ecmd)
+static int
+jme_get_eeprom_len(struct net_device *netdev)
 {
        struct jme_adapter *jme = netdev_priv(netdev);
-       int rc;
-       spin_lock(&jme->phy_lock);
-       rc = mii_ethtool_gset(&(jme->mii_if), ecmd);
-       spin_unlock(&jme->phy_lock);
-       return rc;
+       u32 val;
+       val = jread32(jme, JME_SMBCSR);
+       return (val & SMBCSR_EEPROMD) ? JME_SMB_LEN : 0;
 }
 
-static int jme_set_settings(struct net_device *netdev,
-                            struct ethtool_cmd *ecmd)
+static int
+jme_get_eeprom(struct net_device *netdev,
+               struct ethtool_eeprom *eeprom, u8 *data)
 {
        struct jme_adapter *jme = netdev_priv(netdev);
-       int rc;
-       spin_lock(&jme->phy_lock);
-       rc = mii_ethtool_sset(&(jme->mii_if), ecmd);
-       spin_unlock(&jme->phy_lock);
-       return rc;
+       int i, offset = eeprom->offset, len = eeprom->len;
+
+       /*
+        * ethtool will check the boundary for us
+        */
+       eeprom->magic = JME_EEPROM_MAGIC;
+       for (i = 0 ; i < len ; ++i)
+               data[i] = jme_smb_read(jme, i + offset);
+
+       return 0;
 }
 
-static u32 jme_get_link(struct net_device *netdev) {
+static int
+jme_set_eeprom(struct net_device *netdev,
+               struct ethtool_eeprom *eeprom, u8 *data)
+{
        struct jme_adapter *jme = netdev_priv(netdev);
-       return jread32(jme, JME_PHY_LINK) & PHY_LINK_UP;
+       int i, offset = eeprom->offset, len = eeprom->len;
+
+       if (eeprom->magic != JME_EEPROM_MAGIC)
+               return -EINVAL;
+
+       /*
+        * ethtool will check the boundary for us
+        */
+       for (i = 0 ; i < len ; ++i)
+               jme_smb_write(jme, i + offset, data[i]);
+
+       return 0;
 }
 
 static const struct ethtool_ops jme_ethtool_ops = {
-        .get_drvinfo            = jme_get_drvinfo,
+       .get_drvinfo            = jme_get_drvinfo,
+       .get_regs_len           = jme_get_regs_len,
+       .get_regs               = jme_get_regs,
+       .get_coalesce           = jme_get_coalesce,
+       .set_coalesce           = jme_set_coalesce,
+       .get_pauseparam         = jme_get_pauseparam,
+       .set_pauseparam         = jme_set_pauseparam,
+       .get_wol                = jme_get_wol,
+       .set_wol                = jme_set_wol,
        .get_settings           = jme_get_settings,
        .set_settings           = jme_set_settings,
        .get_link               = jme_get_link,
+       .get_msglevel           = jme_get_msglevel,
+       .set_msglevel           = jme_set_msglevel,
+       .nway_reset             = jme_nway_reset,
+       .get_eeprom_len         = jme_get_eeprom_len,
+       .get_eeprom             = jme_get_eeprom,
+       .set_eeprom             = jme_set_eeprom,
 };
 
-static int __devinit jme_init_one(struct pci_dev *pdev,
-                                     const struct pci_device_id *ent)
+static int
+jme_pci_dma64(struct pci_dev *pdev)
 {
-       int rc = 0;
+       if (pdev->device == PCI_DEVICE_ID_JMICRON_JMC250 &&
+           !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)))
+               if (!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
+                       return 1;
+
+       if (pdev->device == PCI_DEVICE_ID_JMICRON_JMC250 &&
+           !pci_set_dma_mask(pdev, DMA_BIT_MASK(40)))
+               if (!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(40)))
+                       return 1;
+
+       if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
+               if (!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
+                       return 0;
+
+       return -1;
+}
+
+static inline void
+jme_phy_init(struct jme_adapter *jme)
+{
+       u16 reg26;
+
+       reg26 = jme_mdio_read(jme->dev, jme->mii_if.phy_id, 26);
+       jme_mdio_write(jme->dev, jme->mii_if.phy_id, 26, reg26 | 0x1000);
+}
+
+static inline void
+jme_check_hw_ver(struct jme_adapter *jme)
+{
+       u32 chipmode;
+
+       chipmode = jread32(jme, JME_CHIPMODE);
+
+       jme->fpgaver = (chipmode & CM_FPGAVER_MASK) >> CM_FPGAVER_SHIFT;
+       jme->chiprev = (chipmode & CM_CHIPREV_MASK) >> CM_CHIPREV_SHIFT;
+       jme->chip_main_rev = jme->chiprev & 0xF;
+       jme->chip_sub_rev = (jme->chiprev >> 4) & 0xF;
+}
+
+static const struct net_device_ops jme_netdev_ops = {
+       .ndo_open               = jme_open,
+       .ndo_stop               = jme_close,
+       .ndo_validate_addr      = eth_validate_addr,
+       .ndo_do_ioctl           = jme_ioctl,
+       .ndo_start_xmit         = jme_start_xmit,
+       .ndo_set_mac_address    = jme_set_macaddr,
+       .ndo_set_multicast_list = jme_set_multi,
+       .ndo_change_mtu         = jme_change_mtu,
+       .ndo_tx_timeout         = jme_tx_timeout,
+       .ndo_vlan_rx_register   = jme_vlan_rx_register,
+       .ndo_fix_features       = jme_fix_features,
+       .ndo_set_features       = jme_set_features,
+};
+
+static int __devinit
+jme_init_one(struct pci_dev *pdev,
+            const struct pci_device_id *ent)
+{
+       int rc = 0, using_dac, i;
        struct net_device *netdev;
        struct jme_adapter *jme;
+       u16 bmcr, bmsr;
+       u32 apmc;
 
        /*
         * set up PCI device basics
         */
        rc = pci_enable_device(pdev);
-       if(rc) {
-               printk(KERN_ERR PFX "Cannot enable PCI device.\n");
+       if (rc) {
+               pr_err("Cannot enable PCI device\n");
                goto err_out;
        }
 
-       if(!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
-               printk(KERN_ERR PFX "No PCI resource region found.\n");
+       using_dac = jme_pci_dma64(pdev);
+       if (using_dac < 0) {
+               pr_err("Cannot set PCI DMA Mask\n");
+               rc = -EIO;
+               goto err_out_disable_pdev;
+       }
+
+       if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
+               pr_err("No PCI resource region found\n");
                rc = -ENOMEM;
                goto err_out_disable_pdev;
        }
 
        rc = pci_request_regions(pdev, DRV_NAME);
-       if(rc) {
-               printk(KERN_ERR PFX "Cannot obtain PCI resource region.\n");
+       if (rc) {
+               pr_err("Cannot obtain PCI resource region\n");
                goto err_out_disable_pdev;
        }
 
@@ -1285,19 +2898,30 @@ static int __devinit jme_init_one(struct pci_dev *pdev,
        /*
         * alloc and init net device
         */
-       netdev = alloc_etherdev(sizeof(struct jme_adapter));
-       if(!netdev) {
+       netdev = alloc_etherdev(sizeof(*jme));
+       if (!netdev) {
+               pr_err("Cannot allocate netdev structure\n");
                rc = -ENOMEM;
                goto err_out_release_regions;
        }
-       netdev->open                    = jme_open;
-       netdev->stop                    = jme_close;
-       netdev->hard_start_xmit         = jme_start_xmit;
-       netdev->irq                     = pdev->irq;
-       netdev->set_mac_address         = jme_set_macaddr;
-       netdev->set_multicast_list      = jme_set_multi;
-       netdev->change_mtu              = jme_change_mtu;
+       netdev->netdev_ops = &jme_netdev_ops;
        netdev->ethtool_ops             = &jme_ethtool_ops;
+       netdev->watchdog_timeo          = TX_TIMEOUT;
+       netdev->hw_features             =       NETIF_F_IP_CSUM |
+                                               NETIF_F_IPV6_CSUM |
+                                               NETIF_F_SG |
+                                               NETIF_F_TSO |
+                                               NETIF_F_TSO6 |
+                                               NETIF_F_RXCSUM;
+       netdev->features                =       NETIF_F_IP_CSUM |
+                                               NETIF_F_IPV6_CSUM |
+                                               NETIF_F_SG |
+                                               NETIF_F_TSO |
+                                               NETIF_F_TSO6 |
+                                               NETIF_F_HW_VLAN_TX |
+                                               NETIF_F_HW_VLAN_RX;
+       if (using_dac)
+               netdev->features        |=      NETIF_F_HIGHDMA;
 
        SET_NETDEV_DEV(netdev, &pdev->dev);
        pci_set_drvdata(pdev, netdev);
@@ -1308,88 +2932,169 @@ static int __devinit jme_init_one(struct pci_dev *pdev,
        jme = netdev_priv(netdev);
        jme->pdev = pdev;
        jme->dev = netdev;
+       jme->jme_rx = netif_rx;
+       jme->jme_vlan_rx = vlan_hwaccel_rx;
+       jme->old_mtu = netdev->mtu = 1500;
+       jme->phylink = 0;
+       jme->tx_ring_size = 1 << 10;
+       jme->tx_ring_mask = jme->tx_ring_size - 1;
+       jme->tx_wake_threshold = 1 << 9;
+       jme->rx_ring_size = 1 << 9;
+       jme->rx_ring_mask = jme->rx_ring_size - 1;
+       jme->msg_enable = JME_DEF_MSG_ENABLE;
        jme->regs = ioremap(pci_resource_start(pdev, 0),
                             pci_resource_len(pdev, 0));
        if (!(jme->regs)) {
+               pr_err("Mapping PCI resource region error\n");
                rc = -ENOMEM;
                goto err_out_free_netdev;
        }
-       jme->shadow_regs = pci_alloc_consistent(pdev,
-                                               sizeof(__u32) * SHADOW_REG_NR,
-                                               &(jme->shadow_dma));
-       if (!(jme->shadow_regs)) {
-               rc = -ENOMEM;
-               goto err_out_unmap;
+
+       if (no_pseudohp) {
+               apmc = jread32(jme, JME_APMC) & ~JME_APMC_PSEUDO_HP_EN;
+               jwrite32(jme, JME_APMC, apmc);
+       } else if (force_pseudohp) {
+               apmc = jread32(jme, JME_APMC) | JME_APMC_PSEUDO_HP_EN;
+               jwrite32(jme, JME_APMC, apmc);
        }
 
-       spin_lock_init(&jme->xmit_lock);
-       spin_lock_init(&jme->recv_lock);
-       spin_lock_init(&jme->macaddr_lock);
+       NETIF_NAPI_SET(netdev, &jme->napi, jme_poll, jme->rx_ring_size >> 2)
+
        spin_lock_init(&jme->phy_lock);
+       spin_lock_init(&jme->macaddr_lock);
+       spin_lock_init(&jme->rxmcs_lock);
+
+       atomic_set(&jme->link_changing, 1);
+       atomic_set(&jme->rx_cleaning, 1);
+       atomic_set(&jme->tx_cleaning, 1);
+       atomic_set(&jme->rx_empty, 1);
+
+       tasklet_init(&jme->pcc_task,
+                    jme_pcc_tasklet,
+                    (unsigned long) jme);
        tasklet_init(&jme->linkch_task,
-                    &jme_link_change_tasklet,
+                    jme_link_change_tasklet,
                     (unsigned long) jme);
        tasklet_init(&jme->txclean_task,
-                    &jme_tx_clean_tasklet,
+                    jme_tx_clean_tasklet,
                     (unsigned long) jme);
        tasklet_init(&jme->rxclean_task,
-                    &jme_rx_clean_tasklet,
+                    jme_rx_clean_tasklet,
+                    (unsigned long) jme);
+       tasklet_init(&jme->rxempty_task,
+                    jme_rx_empty_tasklet,
                     (unsigned long) jme);
+       tasklet_disable_nosync(&jme->linkch_task);
+       tasklet_disable_nosync(&jme->txclean_task);
+       tasklet_disable_nosync(&jme->rxclean_task);
+       tasklet_disable_nosync(&jme->rxempty_task);
+       jme->dpi.cur = PCC_P1;
+
+       jme->reg_ghc = 0;
+       jme->reg_rxcs = RXCS_DEFAULT;
+       jme->reg_rxmcs = RXMCS_DEFAULT;
+       jme->reg_txpfc = 0;
+       jme->reg_pmcs = PMCS_MFEN;
+       jme->reg_gpreg1 = GPREG1_DEFAULT;
+
+       if (jme->reg_rxmcs & RXMCS_CHECKSUM)
+               netdev->features |= NETIF_F_RXCSUM;
+
+       /*
+        * Get Max Read Req Size from PCI Config Space
+        */
+       pci_read_config_byte(pdev, PCI_DCSR_MRRS, &jme->mrrs);
+       jme->mrrs &= PCI_DCSR_MRRS_MASK;
+       switch (jme->mrrs) {
+       case MRRS_128B:
+               jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_128B;
+               break;
+       case MRRS_256B:
+               jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_256B;
+               break;
+       default:
+               jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_512B;
+               break;
+       }
+
+       /*
+        * Must check before reset_mac_processor
+        */
+       jme_check_hw_ver(jme);
        jme->mii_if.dev = netdev;
-       jme->mii_if.phy_id = 1;
-       jme->mii_if.supports_gmii = 1;
+       if (jme->fpgaver) {
+               jme->mii_if.phy_id = 0;
+               for (i = 1 ; i < 32 ; ++i) {
+                       bmcr = jme_mdio_read(netdev, i, MII_BMCR);
+                       bmsr = jme_mdio_read(netdev, i, MII_BMSR);
+                       if (bmcr != 0xFFFFU && (bmcr != 0 || bmsr != 0)) {
+                               jme->mii_if.phy_id = i;
+                               break;
+                       }
+               }
+
+               if (!jme->mii_if.phy_id) {
+                       rc = -EIO;
+                       pr_err("Can not find phy_id\n");
+                       goto err_out_unmap;
+               }
+
+               jme->reg_ghc |= GHC_LINK_POLL;
+       } else {
+               jme->mii_if.phy_id = 1;
+       }
+       if (pdev->device == PCI_DEVICE_ID_JMICRON_JMC250)
+               jme->mii_if.supports_gmii = true;
+       else
+               jme->mii_if.supports_gmii = false;
+       jme->mii_if.phy_id_mask = 0x1F;
+       jme->mii_if.reg_num_mask = 0x1F;
        jme->mii_if.mdio_read = jme_mdio_read;
        jme->mii_if.mdio_write = jme_mdio_write;
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21)
-       netdev->get_stats = &(jme_get_stats);
-#endif
+
+       jme_clear_pm(jme);
+       pci_set_power_state(jme->pdev, PCI_D0);
+       device_set_wakeup_enable(&pdev->dev, true);
+
+       jme_set_phyfifo_5level(jme);
+       jme->pcirev = pdev->revision;
+       if (!jme->fpgaver)
+               jme_phy_init(jme);
+       jme_phy_off(jme);
 
        /*
         * Reset MAC processor and reload EEPROM for MAC Address
         */
-       jme_clear_pm(jme);
        jme_reset_mac_processor(jme);
        rc = jme_reload_eeprom(jme);
-       if(rc) {
-               printk(KERN_ERR PFX "Rload eeprom for reading MAC Address error.\n");
-               goto err_out_free_shadow;
+       if (rc) {
+               pr_err("Reload eeprom for reading MAC Address error\n");
+               goto err_out_unmap;
        }
        jme_load_macaddr(netdev);
 
-
        /*
         * Tell stack that we are not ready to work until open()
         */
        netif_carrier_off(netdev);
-       netif_stop_queue(netdev);
 
-       /*
-        * Register netdev
-        */
        rc = register_netdev(netdev);
-       if(rc) {
-               printk(KERN_ERR PFX "Cannot register net device.\n");
-               goto err_out_free_shadow;
-       }
-
-       jprintk(netdev->name,
-               "JMC250 gigabit eth at %llx, %02x:%02x:%02x:%02x:%02x:%02x, IRQ %d\n",
-               (unsigned long long) pci_resource_start(pdev, 0),
-               netdev->dev_addr[0],
-               netdev->dev_addr[1],
-               netdev->dev_addr[2],
-               netdev->dev_addr[3],
-               netdev->dev_addr[4],
-               netdev->dev_addr[5],
-               pdev->irq);
+       if (rc) {
+               pr_err("Cannot register net device\n");
+               goto err_out_unmap;
+       }
+
+       netif_info(jme, probe, jme->dev, "%s%s chiprev:%x pcirev:%x macaddr:%pM\n",
+                  (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC250) ?
+                  "JMC250 Gigabit Ethernet" :
+                  (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC260) ?
+                  "JMC260 Fast Ethernet" : "Unknown",
+                  (jme->fpgaver != 0) ? " (FPGA)" : "",
+                  (jme->fpgaver != 0) ? jme->fpgaver : jme->chiprev,
+                  jme->pcirev, netdev->dev_addr);
 
        return 0;
 
-err_out_free_shadow:
-       pci_free_consistent(pdev,
-                           sizeof(__u32) * SHADOW_REG_NR,
-                           jme->shadow_regs,
-                           jme->shadow_dma);
 err_out_unmap:
        iounmap(jme->regs);
 err_out_free_netdev:
@@ -1398,21 +3103,18 @@ err_out_free_netdev:
 err_out_release_regions:
        pci_release_regions(pdev);
 err_out_disable_pdev:
-        pci_disable_device(pdev);
+       pci_disable_device(pdev);
 err_out:
        return rc;
 }
 
-static void __devexit jme_remove_one(struct pci_dev *pdev)
-{ 
+static void __devexit
+jme_remove_one(struct pci_dev *pdev)
+{
        struct net_device *netdev = pci_get_drvdata(pdev);
        struct jme_adapter *jme = netdev_priv(netdev);
 
        unregister_netdev(netdev);
-       pci_free_consistent(pdev,
-                           sizeof(__u32) * SHADOW_REG_NR,
-                           jme->shadow_regs,
-                           jme->shadow_dma);
        iounmap(jme->regs);
        pci_set_drvdata(pdev, NULL);
        free_netdev(netdev);
@@ -1421,32 +3123,113 @@ static void __devexit jme_remove_one(struct pci_dev *pdev)
 
 }
 
-static struct pci_device_id jme_pci_tbl[] = {
-       { PCI_VDEVICE(JMICRON, 0x250) },
+static void
+jme_shutdown(struct pci_dev *pdev)
+{
+       struct net_device *netdev = pci_get_drvdata(pdev);
+       struct jme_adapter *jme = netdev_priv(netdev);
+
+       jme_powersave_phy(jme);
+       pci_pme_active(pdev, true);
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int
+jme_suspend(struct device *dev)
+{
+       struct pci_dev *pdev = to_pci_dev(dev);
+       struct net_device *netdev = pci_get_drvdata(pdev);
+       struct jme_adapter *jme = netdev_priv(netdev);
+
+       atomic_dec(&jme->link_changing);
+
+       netif_device_detach(netdev);
+       netif_stop_queue(netdev);
+       jme_stop_irq(jme);
+
+       tasklet_disable(&jme->txclean_task);
+       tasklet_disable(&jme->rxclean_task);
+       tasklet_disable(&jme->rxempty_task);
+
+       if (netif_carrier_ok(netdev)) {
+               if (test_bit(JME_FLAG_POLL, &jme->flags))
+                       jme_polling_mode(jme);
+
+               jme_stop_pcc_timer(jme);
+               jme_disable_rx_engine(jme);
+               jme_disable_tx_engine(jme);
+               jme_reset_mac_processor(jme);
+               jme_free_rx_resources(jme);
+               jme_free_tx_resources(jme);
+               netif_carrier_off(netdev);
+               jme->phylink = 0;
+       }
+
+       tasklet_enable(&jme->txclean_task);
+       tasklet_hi_enable(&jme->rxclean_task);
+       tasklet_hi_enable(&jme->rxempty_task);
+
+       jme_powersave_phy(jme);
+
+       return 0;
+}
+
+static int
+jme_resume(struct device *dev)
+{
+       struct pci_dev *pdev = to_pci_dev(dev);
+       struct net_device *netdev = pci_get_drvdata(pdev);
+       struct jme_adapter *jme = netdev_priv(netdev);
+
+       jme_clear_pm(jme);
+       jme_phy_on(jme);
+       if (test_bit(JME_FLAG_SSET, &jme->flags))
+               jme_set_settings(netdev, &jme->old_ecmd);
+       else
+               jme_reset_phy_processor(jme);
+
+       jme_start_irq(jme);
+       netif_device_attach(netdev);
+
+       atomic_inc(&jme->link_changing);
+
+       jme_reset_link(jme);
+
+       return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(jme_pm_ops, jme_suspend, jme_resume);
+#define JME_PM_OPS (&jme_pm_ops)
+
+#else
+
+#define JME_PM_OPS NULL
+#endif
+
+static DEFINE_PCI_DEVICE_TABLE(jme_pci_tbl) = {
+       { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMC250) },
+       { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMC260) },
        { }
 };
 
 static struct pci_driver jme_driver = {
-        .name           = DRV_NAME,
-        .id_table       = jme_pci_tbl,
-        .probe          = jme_init_one,
-        .remove         = __devexit_p(jme_remove_one),
-#if 0
-#ifdef CONFIG_PM
-        .suspend        = jme_suspend,
-        .resume         = jme_resume,
-#endif /* CONFIG_PM */
-#endif
+       .name           = DRV_NAME,
+       .id_table       = jme_pci_tbl,
+       .probe          = jme_init_one,
+       .remove         = __devexit_p(jme_remove_one),
+       .shutdown       = jme_shutdown,
+       .driver.pm      = JME_PM_OPS,
 };
 
-static int __init jme_init_module(void)
+static int __init
+jme_init_module(void)
 {
-       printk(KERN_INFO PFX "JMicron JMC250 gigabit ethernet "
-              "driver version %s\n", DRV_VERSION);
+       pr_info("JMicron JMC2XX ethernet driver version %s\n", DRV_VERSION);
        return pci_register_driver(&jme_driver);
 }
 
-static void __exit jme_cleanup_module(void)
+static void __exit
+jme_cleanup_module(void)
 {
        pci_unregister_driver(&jme_driver);
 }
@@ -1454,10 +3237,9 @@ static void __exit jme_cleanup_module(void)
 module_init(jme_init_module);
 module_exit(jme_cleanup_module);
 
-MODULE_AUTHOR("David Tseng <cooldavid@cooldavid.org>");
+MODULE_AUTHOR("Guo-Fu Tseng <cooldavid@cooldavid.org>");
 MODULE_DESCRIPTION("JMicron JMC2x0 PCI Express Ethernet driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(DRV_VERSION);
 MODULE_DEVICE_TABLE(pci, jme_pci_tbl);
 
-