]> bbs.cooldavid.org Git - jme.git/blobdiff - jme.c
Import jme 1.0.4 source
[jme.git] / jme.c
diff --git a/jme.c b/jme.c
index b0b1ee3255b4b78156880b03c1bfbbabc18fc24e..4da81a3602dc21d72b8b81c4de5c34488394f16d 100644 (file)
--- a/jme.c
+++ b/jme.c
@@ -21,7 +21,6 @@
  *
  */
 
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/pci.h>
@@ -38,6 +37,7 @@
 #include <linux/tcp.h>
 #include <linux/udp.h>
 #include <linux/if_vlan.h>
+#include <net/ip6_checksum.h>
 #include "jme.h"
 
 static int force_pseudohp = -1;
@@ -190,7 +190,7 @@ jme_reset_mac_processor(struct jme_adapter *jme)
        else
                gpreg0 = GPREG0_DEFAULT;
        jwrite32(jme, JME_GPREG0, gpreg0);
-       jwrite32(jme, JME_GPREG1, 0);
+       jwrite32(jme, JME_GPREG1, GPREG1_DEFAULT);
 }
 
 static inline void
@@ -350,13 +350,13 @@ jme_linkstat_from_phy(struct jme_adapter *jme)
 }
 
 static inline void
-jme_set_gmii(struct jme_adapter *jme)
+jme_set_phyfifoa(struct jme_adapter *jme)
 {
        jme_mdio_write(jme->dev, jme->mii_if.phy_id, 27, 0x0004);
 }
 
 static inline void
-jme_set_rgmii(struct jme_adapter *jme)
+jme_set_phyfifob(struct jme_adapter *jme)
 {
        jme_mdio_write(jme->dev, jme->mii_if.phy_id, 27, 0x0000);
 }
@@ -365,7 +365,7 @@ static int
 jme_check_link(struct net_device *netdev, int testonly)
 {
        struct jme_adapter *jme = netdev_priv(netdev);
-       u32 phylink, ghc, cnt = JME_SPDRSV_TIMEOUT, bmcr;
+       u32 phylink, ghc, cnt = JME_SPDRSV_TIMEOUT, bmcr, gpreg1;
        char linkmsg[64];
        int rc = 0;
 
@@ -429,45 +429,32 @@ jme_check_link(struct net_device *netdev, int testonly)
 
                jme->phylink = phylink;
 
-               ghc = jme->reg_ghc & ~(GHC_SPEED_10M |
-                                       GHC_SPEED_100M |
-                                       GHC_SPEED_1000M |
-                                       GHC_DPX);
+               ghc = jme->reg_ghc & ~(GHC_SPEED | GHC_DPX |
+                               GHC_TO_CLK_PCIE | GHC_TXMAC_CLK_PCIE |
+                               GHC_TO_CLK_GPHY | GHC_TXMAC_CLK_GPHY);
                switch (phylink & PHY_LINK_SPEED_MASK) {
                case PHY_LINK_SPEED_10M:
-                       ghc |= GHC_SPEED_10M;
+                       ghc |= GHC_SPEED_10M |
+                               GHC_TO_CLK_PCIE | GHC_TXMAC_CLK_PCIE;
                        strcat(linkmsg, "10 Mbps, ");
-                       if (jme->rev == 0x11)
-                               jme_set_gmii(jme);
                        break;
                case PHY_LINK_SPEED_100M:
-                       ghc |= GHC_SPEED_100M;
+                       ghc |= GHC_SPEED_100M |
+                               GHC_TO_CLK_PCIE | GHC_TXMAC_CLK_PCIE;
                        strcat(linkmsg, "100 Mbps, ");
-                       if (jme->rev == 0x11)
-                               jme_set_rgmii(jme);
                        break;
                case PHY_LINK_SPEED_1000M:
-                       ghc |= GHC_SPEED_1000M;
+                       ghc |= GHC_SPEED_1000M |
+                               GHC_TO_CLK_GPHY | GHC_TXMAC_CLK_GPHY;
                        strcat(linkmsg, "1000 Mbps, ");
-                       if (jme->rev == 0x11)
-                               jme_set_gmii(jme);
                        break;
                default:
                        break;
                }
-               ghc |= (phylink & PHY_LINK_DUPLEX) ? GHC_DPX : 0;
-
-               strcat(linkmsg, (phylink & PHY_LINK_DUPLEX) ?
-                                       "Full-Duplex, " :
-                                       "Half-Duplex, ");
-
-               if (phylink & PHY_LINK_MDI_STAT)
-                       strcat(linkmsg, "MDI-X");
-               else
-                       strcat(linkmsg, "MDI");
 
                if (phylink & PHY_LINK_DUPLEX) {
                        jwrite32(jme, JME_TXMCS, TXMCS_DEFAULT);
+                       ghc |= GHC_DPX;
                } else {
                        jwrite32(jme, JME_TXMCS, TXMCS_DEFAULT |
                                                TXMCS_BACKOFF |
@@ -479,9 +466,37 @@ jme_check_link(struct net_device *netdev, int testonly)
                                ((8 << TXTRHD_TXRL_SHIFT) & TXTRHD_TXRL));
                }
 
-               jme->reg_ghc = ghc;
+               gpreg1 = GPREG1_DEFAULT;
+               if (is_buggy250(jme->pdev->device, jme->chiprev)) {
+                       if (!(phylink & PHY_LINK_DUPLEX))
+                               gpreg1 |= GPREG1_HALFMODEPATCH;
+                       switch (phylink & PHY_LINK_SPEED_MASK) {
+                       case PHY_LINK_SPEED_10M:
+                               jme_set_phyfifoa(jme);
+                               gpreg1 |= GPREG1_RSSPATCH;
+                               break;
+                       case PHY_LINK_SPEED_100M:
+                               jme_set_phyfifob(jme);
+                               gpreg1 |= GPREG1_RSSPATCH;
+                               break;
+                       case PHY_LINK_SPEED_1000M:
+                               jme_set_phyfifoa(jme);
+                               break;
+                       default:
+                               break;
+                       }
+               }
+
+               jwrite32(jme, JME_GPREG1, gpreg1);
                jwrite32(jme, JME_GHC, ghc);
+               jme->reg_ghc = ghc;
 
+               strcat(linkmsg, (phylink & PHY_LINK_DUPLEX) ?
+                                       "Full-Duplex, " :
+                                       "Half-Duplex, ");
+               strcat(linkmsg, (phylink & PHY_LINK_MDI_STAT) ?
+                                       "MDI-X" :
+                                       "MDI");
                msg_link(jme, "Link is up at %s.\n", linkmsg);
                netif_carrier_on(netdev);
        } else {
@@ -897,26 +912,25 @@ jme_alloc_and_feed_skb(struct jme_adapter *jme, int idx)
                skb_put(skb, framesize);
                skb->protocol = eth_type_trans(skb, jme->dev);
 
-               if (jme_rxsum_ok(jme, rxdesc->descwb.flags))
+               if (jme_rxsum_ok(jme, le16_to_cpu(rxdesc->descwb.flags)))
                        skb->ip_summed = CHECKSUM_UNNECESSARY;
                else
                        skb->ip_summed = CHECKSUM_NONE;
 
-               if (rxdesc->descwb.flags & RXWBFLAG_TAGON) {
+               if (rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_TAGON)) {
                        if (jme->vlgrp) {
                                jme->jme_vlan_rx(skb, jme->vlgrp,
-                                       le32_to_cpu(rxdesc->descwb.vlan));
+                                       le16_to_cpu(rxdesc->descwb.vlan));
                                NET_STAT(jme).rx_bytes += 4;
                        }
                } else {
                        jme->jme_rx(skb);
                }
 
-               if ((le16_to_cpu(rxdesc->descwb.flags) & RXWBFLAG_DEST) ==
-                               RXWBFLAG_DEST_MUL)
+               if ((rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_DEST)) ==
+                   cpu_to_le16(RXWBFLAG_DEST_MUL))
                        ++(NET_STAT(jme).multicast);
 
-               jme->dev->last_rx = jiffies;
                NET_STAT(jme).rx_bytes += framesize;
                ++(NET_STAT(jme).rx_packets);
        }
@@ -946,7 +960,7 @@ jme_process_receive(struct jme_adapter *jme, int limit)
                rxdesc = rxring->desc;
                rxdesc += i;
 
-               if ((rxdesc->descwb.flags & RXWBFLAG_OWN) ||
+               if ((rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_OWN)) ||
                !(rxdesc->descwb.desccnt & RXWBDCNT_WBCPL))
                        goto out;
 
@@ -1148,7 +1162,7 @@ jme_link_change_tasklet(unsigned long arg)
        while (!atomic_dec_and_test(&jme->link_changing)) {
                atomic_inc(&jme->link_changing);
                msg_intr(jme, "Get link change lock failed.\n");
-               while(atomic_read(&jme->link_changing) != 1)
+               while (atomic_read(&jme->link_changing) != 1)
                        msg_intr(jme, "Waiting link change lock.\n");
        }
 
@@ -1235,7 +1249,6 @@ static int
 jme_poll(JME_NAPI_HOLDER(holder), JME_NAPI_WEIGHT(budget))
 {
        struct jme_adapter *jme = jme_napi_priv(holder);
-       struct net_device *netdev = jme->dev;
        int rest;
 
        rest = jme_process_receive(jme, JME_NAPI_WEIGHT_VAL(budget));
@@ -1448,7 +1461,7 @@ jme_intr(int irq, void *dev_id)
        /*
         * Check if it's really an interrupt for us
         */
-       if (unlikely(intrstat == 0))
+       if (unlikely((intrstat & INTR_ENABLE) == 0))
                return IRQ_NONE;
 
        /*
@@ -1578,6 +1591,7 @@ err_out:
        return rc;
 }
 
+#ifdef CONFIG_PM
 static void
 jme_set_100m_half(struct jme_adapter *jme)
 {
@@ -1610,6 +1624,7 @@ jme_wait_link(struct jme_adapter *jme)
                phylink = jme_linkstat_from_phy(jme);
        }
 }
+#endif
 
 static inline void
 jme_phy_off(struct jme_adapter *jme)
@@ -1746,10 +1761,9 @@ jme_expand_header(struct jme_adapter *jme, struct sk_buff *skb)
 }
 
 static int
-jme_tx_tso(struct sk_buff *skb,
-               u16 *mss, u8 *flags)
+jme_tx_tso(struct sk_buff *skb, __le16 *mss, u8 *flags)
 {
-       *mss = skb_shinfo(skb)->gso_size << TXDESC_MSS_SHIFT;
+       *mss = cpu_to_le16(skb_shinfo(skb)->gso_size << TXDESC_MSS_SHIFT);
        if (*mss) {
                *flags |= TXFLAG_LSEN;
 
@@ -1809,16 +1823,16 @@ jme_tx_csum(struct jme_adapter *jme, struct sk_buff *skb, u8 *flags)
 }
 
 static inline void
-jme_tx_vlan(struct sk_buff *skb, u16 *vlan, u8 *flags)
+jme_tx_vlan(struct sk_buff *skb, __le16 *vlan, u8 *flags)
 {
        if (vlan_tx_tag_present(skb)) {
                *flags |= TXFLAG_TAGON;
-               *vlan = vlan_tx_tag_get(skb);
+               *vlan = cpu_to_le16(vlan_tx_tag_get(skb));
        }
 }
 
 static int
-jme_fill_first_tx_desc(struct jme_adapter *jme, struct sk_buff *skb, int idx)
+jme_fill_tx_desc(struct jme_adapter *jme, struct sk_buff *skb, int idx)
 {
        struct jme_ring *txring = jme->txring;
        struct txdesc *txdesc;
@@ -1848,6 +1862,7 @@ jme_fill_first_tx_desc(struct jme_adapter *jme, struct sk_buff *skb, int idx)
        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
@@ -1917,8 +1932,7 @@ jme_start_xmit(struct sk_buff *skb, struct net_device *netdev)
                return NETDEV_TX_BUSY;
        }
 
-       jme_map_tx_skb(jme, skb, idx);
-       jme_fill_first_tx_desc(jme, skb, idx);
+       jme_fill_tx_desc(jme, skb, idx);
 
        jwrite32(jme, JME_TXCS, jme->reg_txcs |
                                TXCS_SELECT_QUEUE0 |
@@ -2575,11 +2589,13 @@ static const struct ethtool_ops jme_ethtool_ops = {
 static int
 jme_pci_dma64(struct pci_dev *pdev)
 {
-       if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK))
+       if (pdev->device == PCI_DEVICE_ID_JMICRON_JMC250 &&
+           !pci_set_dma_mask(pdev, DMA_64BIT_MASK))
                if (!pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK))
                        return 1;
 
-       if (!pci_set_dma_mask(pdev, DMA_40BIT_MASK))
+       if (pdev->device == PCI_DEVICE_ID_JMICRON_JMC250 &&
+           !pci_set_dma_mask(pdev, DMA_40BIT_MASK))
                if (!pci_set_consistent_dma_mask(pdev, DMA_40BIT_MASK))
                        return 1;
 
@@ -2607,8 +2623,20 @@ jme_check_hw_ver(struct jme_adapter *jme)
        chipmode = jread32(jme, JME_CHIPMODE);
 
        jme->fpgaver = (chipmode & CM_FPGAVER_MASK) >> CM_FPGAVER_SHIFT;
-       jme->chipver = (chipmode & CM_CHIPVER_MASK) >> CM_CHIPVER_SHIFT;
-}
+       jme->chiprev = (chipmode & CM_CHIPREV_MASK) >> CM_CHIPREV_SHIFT;
+}
+
+static const struct net_device_ops jme_netdev_ops = {
+       .ndo_open               = jme_open,
+       .ndo_stop               = jme_close,
+       .ndo_validate_addr      = eth_validate_addr,
+       .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,
+};
 
 static int __devinit
 jme_init_one(struct pci_dev *pdev,
@@ -2659,17 +2687,9 @@ jme_init_one(struct pci_dev *pdev,
                rc = -ENOMEM;
                goto err_out_release_regions;
        }
-       netdev->open                    = jme_open;
-       netdev->stop                    = jme_close;
-       netdev->hard_start_xmit         = jme_start_xmit;
-       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->tx_timeout              = jme_tx_timeout;
        netdev->watchdog_timeo          = TX_TIMEOUT;
-       netdev->vlan_rx_register        = jme_vlan_rx_register;
-       NETDEV_GET_STATS(netdev, &jme_get_stats);
        netdev->features                =       NETIF_F_HW_CSUM |
                                                NETIF_F_SG |
                                                NETIF_F_TSO |
@@ -2812,7 +2832,7 @@ jme_init_one(struct pci_dev *pdev,
        jme->mii_if.mdio_write = jme_mdio_write;
 
        jme_clear_pm(jme);
-       jme_set_gmii(jme);
+       jme_set_phyfifoa(jme);
        pci_read_config_byte(pdev, PCI_REVISION_ID, &jme->rev);
        if (!jme->fpgaver)
                jme_phy_init(jme);
@@ -2845,18 +2865,14 @@ jme_init_one(struct pci_dev *pdev,
                goto err_out_free_shadow;
        }
 
-       msg_probe(jme,
-               "JMC250 gigabit%s ver:%u rev:%1x.%1x "
-               "macaddr:%02x:%02x:%02x:%02x:%02x:%02x\n",
+       msg_probe(jme, "%s%s ver:%x rev:%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->chipver,
-               jme->rev & 0xf, (jme->rev >> 4) & 0xf,
-               netdev->dev_addr[0],
-               netdev->dev_addr[1],
-               netdev->dev_addr[2],
-               netdev->dev_addr[3],
-               netdev->dev_addr[4],
-               netdev->dev_addr[5]);
+               (jme->fpgaver != 0) ? jme->fpgaver : jme->chiprev,
+               jme->rev, netdev->dev_addr);
 
        return 0;
 
@@ -2897,6 +2913,7 @@ jme_remove_one(struct pci_dev *pdev)
 
 }
 
+#ifdef CONFIG_PM
 static int
 jme_suspend(struct pci_dev *pdev, pm_message_t state)
 {
@@ -2976,6 +2993,7 @@ jme_resume(struct pci_dev *pdev)
 
        return 0;
 }
+#endif
 
 static struct pci_device_id jme_pci_tbl[] = {
        { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMC250) },
@@ -2997,7 +3015,7 @@ static struct pci_driver jme_driver = {
 static int __init
 jme_init_module(void)
 {
-       printk(KERN_INFO PFX "JMicron JMC250 gigabit ethernet "
+       printk(KERN_INFO PFX "JMicron JMC2XX ethernet "
               "driver version %s\n", DRV_VERSION);
        return pci_register_driver(&jme_driver);
 }