Skip to content

L
linux
Commit bb092c0d authored by David S. Miller's avatar David S. Miller
Browse files
Options

Merge branch 'davem-next.r8169' of git://violet.fr.zoreil.com/romieu/linux

parents a320757a 92a7c4e7
Hide whitespace changes
Inline Side-by-side
Showing with 971 additions and 995 deletions
drivers/net/ethernet/realtek/r8169.c
View file @ bb092c0d
......@@ -255,10 +255,6 @@ enum cfg_version {
RTL_CFG_2
};
static void rtl_hw_start_8169(struct net_device *);
static void rtl_hw_start_8168(struct net_device *);
static void rtl_hw_start_8101(struct net_device *);
static DEFINE_PCI_DEVICE_TABLE(rtl8169_pci_tbl) = {
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), 0, 0, RTL_CFG_0 },
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8136), 0, 0, RTL_CFG_2 },
......@@ -774,22 +770,6 @@ MODULE_FIRMWARE(FIRMWARE_8105E_1);
MODULE_FIRMWARE(FIRMWARE_8168F_1);
MODULE_FIRMWARE(FIRMWARE_8168F_2);
static int rtl8169_open(struct net_device *dev);
static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
struct net_device *dev);
static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance);
static int rtl8169_init_ring(struct net_device *dev);
static void rtl_hw_start(struct net_device *dev);
static int rtl8169_close(struct net_device *dev);
static void rtl_set_rx_mode(struct net_device *dev);
static void rtl8169_tx_timeout(struct net_device *dev);
static struct rtnl_link_stats64 *rtl8169_get_stats64(struct net_device *dev,
struct rtnl_link_stats64
*stats);
static int rtl8169_change_mtu(struct net_device *dev, int new_mtu);
static void rtl8169_rx_clear(struct rtl8169_private *tp);
static int rtl8169_poll(struct napi_struct *napi, int budget);
static void rtl_lock_work(struct rtl8169_private *tp)
{
mutex_lock(&tp->wk.mutex);
......@@ -3303,15 +3283,6 @@ static void rtl8169_phy_timer(unsigned long __opaque)
rtl_schedule_task(tp, RTL_FLAG_TASK_PHY_PENDING);
}
#ifdef CONFIG_NET_POLL_CONTROLLER
static void rtl8169_netpoll(struct net_device *dev)
{
struct rtl8169_private *tp = netdev_priv(dev);
rtl8169_interrupt(tp->pci_dev->irq, dev);
}
#endif
static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
void __iomem *ioaddr)
{
......@@ -3463,63 +3434,6 @@ static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data
return -EOPNOTSUPP;
}
static const struct rtl_cfg_info {
void (*hw_start)(struct net_device *);
unsigned int region;
unsigned int align;
u16 event_slow;
unsigned features;
u8 default_ver;
} rtl_cfg_infos [] = {
[RTL_CFG_0] = {
.hw_start = rtl_hw_start_8169,
.region = 1,
.align = 0,
.event_slow = SYSErr | LinkChg | RxOverflow | RxFIFOOver,
.features = RTL_FEATURE_GMII,
.default_ver = RTL_GIGA_MAC_VER_01,
},
[RTL_CFG_1] = {
.hw_start = rtl_hw_start_8168,
.region = 2,
.align = 8,
.event_slow = SYSErr | LinkChg | RxOverflow,
.features = RTL_FEATURE_GMII | RTL_FEATURE_MSI,
.default_ver = RTL_GIGA_MAC_VER_11,
},
[RTL_CFG_2] = {
.hw_start = rtl_hw_start_8101,
.region = 2,
.align = 8,
.event_slow = SYSErr | LinkChg | RxOverflow | RxFIFOOver |
PCSTimeout,
.features = RTL_FEATURE_MSI,
.default_ver = RTL_GIGA_MAC_VER_13,
}
};
/* Cfg9346_Unlock assumed. */
static unsigned rtl_try_msi(struct rtl8169_private *tp,
const struct rtl_cfg_info *cfg)
{
void __iomem *ioaddr = tp->mmio_addr;
unsigned msi = 0;
u8 cfg2;
cfg2 = RTL_R8(Config2) & ~MSIEnable;
if (cfg->features & RTL_FEATURE_MSI) {
if (pci_enable_msi(tp->pci_dev)) {
netif_info(tp, hw, tp->dev, "no MSI. Back to INTx.\n");
} else {
cfg2 |= MSIEnable;
msi = RTL_FEATURE_MSI;
}
}
if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
RTL_W8(Config2, cfg2);
return msi;
}
static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
{
if (tp->features & RTL_FEATURE_MSI) {
......@@ -3528,25 +3442,6 @@ static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
}
}
static const struct net_device_ops rtl8169_netdev_ops = {
.ndo_open = rtl8169_open,
.ndo_stop = rtl8169_close,
.ndo_get_stats64 = rtl8169_get_stats64,
.ndo_start_xmit = rtl8169_start_xmit,
.ndo_tx_timeout = rtl8169_tx_timeout,
.ndo_validate_addr = eth_validate_addr,
.ndo_change_mtu = rtl8169_change_mtu,
.ndo_fix_features = rtl8169_fix_features,
.ndo_set_features = rtl8169_set_features,
.ndo_set_mac_address = rtl_set_mac_address,
.ndo_do_ioctl = rtl8169_ioctl,
.ndo_set_rx_mode = rtl_set_rx_mode,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = rtl8169_netpoll,
#endif
};
static void __devinit rtl_init_mdio_ops(struct rtl8169_private *tp)
{
struct mdio_ops *ops = &tp->mdio_ops;
......@@ -4018,912 +3913,607 @@ static void rtl_hw_reset(struct rtl8169_private *tp)
}
}
static int __devinit
rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
static void rtl_request_uncached_firmware(struct rtl8169_private *tp)
{
const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
const unsigned int region = cfg->region;
struct rtl8169_private *tp;
struct mii_if_info *mii;
struct net_device *dev;
void __iomem *ioaddr;
int chipset, i;
int rc;
struct rtl_fw *rtl_fw;
const char *name;
int rc = -ENOMEM;
if (netif_msg_drv(&debug)) {
printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
MODULENAME, RTL8169_VERSION);
}
name = rtl_lookup_firmware_name(tp);
if (!name)
goto out_no_firmware;
dev = alloc_etherdev(sizeof (*tp));
if (!dev) {
rc = -ENOMEM;
goto out;
}
rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL);
if (!rtl_fw)
goto err_warn;
SET_NETDEV_DEV(dev, &pdev->dev);
dev->netdev_ops = &rtl8169_netdev_ops;
tp = netdev_priv(dev);
tp->dev = dev;
tp->pci_dev = pdev;
tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
rc = request_firmware(&rtl_fw->fw, name, &tp->pci_dev->dev);
if (rc < 0)
goto err_free;
mii = &tp->mii;
mii->dev = dev;
mii->mdio_read = rtl_mdio_read;
mii->mdio_write = rtl_mdio_write;
mii->phy_id_mask = 0x1f;
mii->reg_num_mask = 0x1f;
mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);
rc = rtl_check_firmware(tp, rtl_fw);
if (rc < 0)
goto err_release_firmware;
/* disable ASPM completely as that cause random device stop working
* problems as well as full system hangs for some PCIe devices users */
pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
PCIE_LINK_STATE_CLKPM);
tp->rtl_fw = rtl_fw;
out:
return;
/* enable device (incl. PCI PM wakeup and hotplug setup) */
rc = pci_enable_device(pdev);
if (rc < 0) {
netif_err(tp, probe, dev, "enable failure\n");
goto err_out_free_dev_1;
}
err_release_firmware:
release_firmware(rtl_fw->fw);
err_free:
kfree(rtl_fw);
err_warn:
netif_warn(tp, ifup, tp->dev, "unable to load firmware patch %s (%d)\n",
name, rc);
out_no_firmware:
tp->rtl_fw = NULL;
goto out;
}
if (pci_set_mwi(pdev) < 0)
netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
static void rtl_request_firmware(struct rtl8169_private *tp)
{
if (IS_ERR(tp->rtl_fw))
rtl_request_uncached_firmware(tp);
}
/* make sure PCI base addr 1 is MMIO */
if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
netif_err(tp, probe, dev,
"region #%d not an MMIO resource, aborting\n",
region);
rc = -ENODEV;
goto err_out_mwi_2;
}
static void rtl_rx_close(struct rtl8169_private *tp)
{
void __iomem *ioaddr = tp->mmio_addr;
/* check for weird/broken PCI region reporting */
if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
netif_err(tp, probe, dev,
"Invalid PCI region size(s), aborting\n");
rc = -ENODEV;
goto err_out_mwi_2;
}
RTL_W32(RxConfig, RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK);
}
rc = pci_request_regions(pdev, MODULENAME);
if (rc < 0) {
netif_err(tp, probe, dev, "could not request regions\n");
goto err_out_mwi_2;
}
static void rtl8169_hw_reset(struct rtl8169_private *tp)
{
void __iomem *ioaddr = tp->mmio_addr;
tp->cp_cmd = RxChkSum;
/* Disable interrupts */
rtl8169_irq_mask_and_ack(tp);
if ((sizeof(dma_addr_t) > 4) &&
!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
tp->cp_cmd |= PCIDAC;
dev->features |= NETIF_F_HIGHDMA;
} else {
rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (rc < 0) {
netif_err(tp, probe, dev, "DMA configuration failed\n");
goto err_out_free_res_3;
}
}
rtl_rx_close(tp);
/* ioremap MMIO region */
ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
if (!ioaddr) {
netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
rc = -EIO;
goto err_out_free_res_3;
if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
tp->mac_version == RTL_GIGA_MAC_VER_28 ||
tp->mac_version == RTL_GIGA_MAC_VER_31) {
while (RTL_R8(TxPoll) & NPQ)
udelay(20);
} else if (tp->mac_version == RTL_GIGA_MAC_VER_34 ||
tp->mac_version == RTL_GIGA_MAC_VER_35 ||
tp->mac_version == RTL_GIGA_MAC_VER_36) {
RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
while (!(RTL_R32(TxConfig) & TXCFG_EMPTY))
udelay(100);
} else {
RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
udelay(100);
}
tp->mmio_addr = ioaddr;
if (!pci_is_pcie(pdev))
netif_info(tp, probe, dev, "not PCI Express\n");
/* Identify chip attached to board */
rtl8169_get_mac_version(tp, dev, cfg->default_ver);
rtl_hw_reset(tp);
}
rtl_init_rxcfg(tp);
static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
{
void __iomem *ioaddr = tp->mmio_addr;
rtl_irq_disable(tp);
/* Set DMA burst size and Interframe Gap Time */
RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
(InterFrameGap << TxInterFrameGapShift));
}
rtl_hw_reset(tp);
static void rtl_hw_start(struct net_device *dev)
{
struct rtl8169_private *tp = netdev_priv(dev);
rtl_ack_events(tp, 0xffff);
tp->hw_start(dev);
pci_set_master(pdev);
rtl_irq_enable_all(tp);
}
static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
void __iomem *ioaddr)
{
/*
* Pretend we are using VLANs; This bypasses a nasty bug where
* Interrupts stop flowing on high load on 8110SCd controllers.
* Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
* register to be written before TxDescAddrLow to work.
* Switching from MMIO to I/O access fixes the issue as well.
*/
if (tp->mac_version == RTL_GIGA_MAC_VER_05)
tp->cp_cmd |= RxVlan;
RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
}
rtl_init_mdio_ops(tp);
rtl_init_pll_power_ops(tp);
rtl_init_jumbo_ops(tp);
static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
{
u16 cmd;
rtl8169_print_mac_version(tp);
cmd = RTL_R16(CPlusCmd);
RTL_W16(CPlusCmd, cmd);
return cmd;
}
chipset = tp->mac_version;
tp->txd_version = rtl_chip_infos[chipset].txd_version;
static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
{
/* Low hurts. Let's disable the filtering. */
RTL_W16(RxMaxSize, rx_buf_sz + 1);
}
RTL_W8(Cfg9346, Cfg9346_Unlock);
RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
RTL_W8(Config5, RTL_R8(Config5) & PMEStatus);
if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0)
tp->features |= RTL_FEATURE_WOL;
if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
tp->features |= RTL_FEATURE_WOL;
tp->features |= rtl_try_msi(tp, cfg);
RTL_W8(Cfg9346, Cfg9346_Lock);
static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
{
static const struct rtl_cfg2_info {
u32 mac_version;
u32 clk;
u32 val;
} cfg2_info [] = {
{ RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
{ RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
{ RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
{ RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
};
const struct rtl_cfg2_info *p = cfg2_info;
unsigned int i;
u32 clk;
if (rtl_tbi_enabled(tp)) {
tp->set_speed = rtl8169_set_speed_tbi;
tp->get_settings = rtl8169_gset_tbi;
tp->phy_reset_enable = rtl8169_tbi_reset_enable;
tp->phy_reset_pending = rtl8169_tbi_reset_pending;
tp->link_ok = rtl8169_tbi_link_ok;
tp->do_ioctl = rtl_tbi_ioctl;
} else {
tp->set_speed = rtl8169_set_speed_xmii;
tp->get_settings = rtl8169_gset_xmii;
tp->phy_reset_enable = rtl8169_xmii_reset_enable;
tp->phy_reset_pending = rtl8169_xmii_reset_pending;
tp->link_ok = rtl8169_xmii_link_ok;
tp->do_ioctl = rtl_xmii_ioctl;
clk = RTL_R8(Config2) & PCI_Clock_66MHz;
for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
if ((p->mac_version == mac_version) && (p->clk == clk)) {
RTL_W32(0x7c, p->val);
break;
}
}
}
mutex_init(&tp->wk.mutex);
static void rtl_set_rx_mode(struct net_device *dev)
{
struct rtl8169_private *tp = netdev_priv(dev);
void __iomem *ioaddr = tp->mmio_addr;
u32 mc_filter[2]; /* Multicast hash filter */
int rx_mode;
u32 tmp = 0;
/* Get MAC address */
for (i = 0; i < ETH_ALEN; i++)
dev->dev_addr[i] = RTL_R8(MAC0 + i);
memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
if (dev->flags & IFF_PROMISC) {
/* Unconditionally log net taps. */
netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
rx_mode =
AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
AcceptAllPhys;
mc_filter[1] = mc_filter[0] = 0xffffffff;
} else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
(dev->flags & IFF_ALLMULTI)) {
/* Too many to filter perfectly -- accept all multicasts. */
rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
mc_filter[1] = mc_filter[0] = 0xffffffff;
} else {
struct netdev_hw_addr *ha;
SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops);
dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
dev->irq = pdev->irq;
dev->base_addr = (unsigned long) ioaddr;
rx_mode = AcceptBroadcast | AcceptMyPhys;
mc_filter[1] = mc_filter[0] = 0;
netdev_for_each_mc_addr(ha, dev) {
int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
rx_mode |= AcceptMulticast;
}
}
netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
if (dev->features & NETIF_F_RXALL)
rx_mode |= (AcceptErr | AcceptRunt);
/* don't enable SG, IP_CSUM and TSO by default - it might not work
* properly for all devices */
dev->features |= NETIF_F_RXCSUM |
NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
tmp = (RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK) | rx_mode;
dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
NETIF_F_RXCSUM | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
NETIF_F_HIGHDMA;
if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
u32 data = mc_filter[0];
if (tp->mac_version == RTL_GIGA_MAC_VER_05)
/* 8110SCd requires hardware Rx VLAN - disallow toggling */
dev->hw_features &= ~NETIF_F_HW_VLAN_RX;
mc_filter[0] = swab32(mc_filter[1]);
mc_filter[1] = swab32(data);
}
dev->hw_features |= NETIF_F_RXALL;
dev->hw_features |= NETIF_F_RXFCS;
RTL_W32(MAR0 + 4, mc_filter[1]);
RTL_W32(MAR0 + 0, mc_filter[0]);
tp->hw_start = cfg->hw_start;
tp->event_slow = cfg->event_slow;
RTL_W32(RxConfig, tmp);
}
tp->opts1_mask = (tp->mac_version != RTL_GIGA_MAC_VER_01) ?
~(RxBOVF | RxFOVF) : ~0;
static void rtl_hw_start_8169(struct net_device *dev)
{
struct rtl8169_private *tp = netdev_priv(dev);
void __iomem *ioaddr = tp->mmio_addr;
struct pci_dev *pdev = tp->pci_dev;
init_timer(&tp->timer);
tp->timer.data = (unsigned long) dev;
tp->timer.function = rtl8169_phy_timer;
if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
}
tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
RTL_W8(Cfg9346, Cfg9346_Unlock);
if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
tp->mac_version == RTL_GIGA_MAC_VER_02 ||
tp->mac_version == RTL_GIGA_MAC_VER_03 ||
tp->mac_version == RTL_GIGA_MAC_VER_04)
RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
rc = register_netdev(dev);
if (rc < 0)
goto err_out_msi_4;
rtl_init_rxcfg(tp);
pci_set_drvdata(pdev, dev);
RTL_W8(EarlyTxThres, NoEarlyTx);
netif_info(tp, probe, dev, "%s at 0x%lx, %pM, XID %08x IRQ %d\n",
rtl_chip_infos[chipset].name, dev->base_addr, dev->dev_addr,
(u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), dev->irq);
if (rtl_chip_infos[chipset].jumbo_max != JUMBO_1K) {
netif_info(tp, probe, dev, "jumbo features [frames: %d bytes, "
"tx checksumming: %s]\n",
rtl_chip_infos[chipset].jumbo_max,
rtl_chip_infos[chipset].jumbo_tx_csum ? "ok" : "ko");
}
rtl_set_rx_max_size(ioaddr, rx_buf_sz);
if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
tp->mac_version == RTL_GIGA_MAC_VER_28 ||
tp->mac_version == RTL_GIGA_MAC_VER_31) {
rtl8168_driver_start(tp);
}
if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
tp->mac_version == RTL_GIGA_MAC_VER_02 ||
tp->mac_version == RTL_GIGA_MAC_VER_03 ||
tp->mac_version == RTL_GIGA_MAC_VER_04)
rtl_set_rx_tx_config_registers(tp);
device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);
tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
if (pci_dev_run_wake(pdev))
pm_runtime_put_noidle(&pdev->dev);
if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
tp->mac_version == RTL_GIGA_MAC_VER_03) {
dprintk("Set MAC Reg C+CR Offset 0xE0. "
"Bit-3 and bit-14 MUST be 1\n");
tp->cp_cmd |= (1 << 14);
}
netif_carrier_off(dev);
RTL_W16(CPlusCmd, tp->cp_cmd);
out:
return rc;
rtl8169_set_magic_reg(ioaddr, tp->mac_version);
err_out_msi_4:
rtl_disable_msi(pdev, tp);
iounmap(ioaddr);
err_out_free_res_3:
pci_release_regions(pdev);
err_out_mwi_2:
pci_clear_mwi(pdev);
pci_disable_device(pdev);
err_out_free_dev_1:
free_netdev(dev);
goto out;
}
/*
* Undocumented corner. Supposedly:
* (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
*/
RTL_W16(IntrMitigate, 0x0000);
static void __devexit rtl8169_remove_one(struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata(pdev);
struct rtl8169_private *tp = netdev_priv(dev);
rtl_set_rx_tx_desc_registers(tp, ioaddr);
if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
tp->mac_version == RTL_GIGA_MAC_VER_28 ||
tp->mac_version == RTL_GIGA_MAC_VER_31) {
rtl8168_driver_stop(tp);
if (tp->mac_version != RTL_GIGA_MAC_VER_01 &&
tp->mac_version != RTL_GIGA_MAC_VER_02 &&
tp->mac_version != RTL_GIGA_MAC_VER_03 &&
tp->mac_version != RTL_GIGA_MAC_VER_04) {
RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
rtl_set_rx_tx_config_registers(tp);
}
cancel_work_sync(&tp->wk.work);
unregister_netdev(dev);
RTL_W8(Cfg9346, Cfg9346_Lock);
rtl_release_firmware(tp);
/* Initially a 10 us delay. Turned it into a PCI commit. - FR */
RTL_R8(IntrMask);
if (pci_dev_run_wake(pdev))
pm_runtime_get_noresume(&pdev->dev);
RTL_W32(RxMissed, 0);
/* restore original MAC address */
rtl_rar_set(tp, dev->perm_addr);
rtl_set_rx_mode(dev);
rtl_disable_msi(pdev, tp);
rtl8169_release_board(pdev, dev, tp->mmio_addr);
pci_set_drvdata(pdev, NULL);
/* no early-rx interrupts */
RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
}
static void rtl_request_uncached_firmware(struct rtl8169_private *tp)
static void rtl_csi_access_enable(void __iomem *ioaddr, u32 bits)
{
struct rtl_fw *rtl_fw;
const char *name;
int rc = -ENOMEM;
name = rtl_lookup_firmware_name(tp);
if (!name)
goto out_no_firmware;
u32 csi;
rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL);
if (!rtl_fw)
goto err_warn;
rc = request_firmware(&rtl_fw->fw, name, &tp->pci_dev->dev);
if (rc < 0)
goto err_free;
rc = rtl_check_firmware(tp, rtl_fw);
if (rc < 0)
goto err_release_firmware;
tp->rtl_fw = rtl_fw;
out:
return;
csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff;
rtl_csi_write(ioaddr, 0x070c, csi | bits);
}
err_release_firmware:
release_firmware(rtl_fw->fw);
err_free:
kfree(rtl_fw);
err_warn:
netif_warn(tp, ifup, tp->dev, "unable to load firmware patch %s (%d)\n",
name, rc);
out_no_firmware:
tp->rtl_fw = NULL;
goto out;
static void rtl_csi_access_enable_1(void __iomem *ioaddr)
{
rtl_csi_access_enable(ioaddr, 0x17000000);
}
static void rtl_request_firmware(struct rtl8169_private *tp)
static void rtl_csi_access_enable_2(void __iomem *ioaddr)
{
if (IS_ERR(tp->rtl_fw))
rtl_request_uncached_firmware(tp);
rtl_csi_access_enable(ioaddr, 0x27000000);
}
static void rtl_task(struct work_struct *);
struct ephy_info {
unsigned int offset;
u16 mask;
u16 bits;
};
static int rtl8169_open(struct net_device *dev)
static void rtl_ephy_init(void __iomem *ioaddr, const struct ephy_info *e, int len)
{
struct rtl8169_private *tp = netdev_priv(dev);
void __iomem *ioaddr = tp->mmio_addr;
struct pci_dev *pdev = tp->pci_dev;
int retval = -ENOMEM;
u16 w;
pm_runtime_get_sync(&pdev->dev);
while (len-- > 0) {
w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits;
rtl_ephy_write(ioaddr, e->offset, w);
e++;
}
}
/*
* Rx and Tx desscriptors needs 256 bytes alignment.
* dma_alloc_coherent provides more.
*/
tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
&tp->TxPhyAddr, GFP_KERNEL);
if (!tp->TxDescArray)
goto err_pm_runtime_put;
static void rtl_disable_clock_request(struct pci_dev *pdev)
{
int cap = pci_pcie_cap(pdev);
tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
&tp->RxPhyAddr, GFP_KERNEL);
if (!tp->RxDescArray)
goto err_free_tx_0;
if (cap) {
u16 ctl;
retval = rtl8169_init_ring(dev);
if (retval < 0)
goto err_free_rx_1;
pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN;
pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
}
}
INIT_WORK(&tp->wk.work, rtl_task);
static void rtl_enable_clock_request(struct pci_dev *pdev)
{
int cap = pci_pcie_cap(pdev);
smp_mb();
if (cap) {
u16 ctl;
rtl_request_firmware(tp);
pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
ctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
}
}
retval = request_irq(dev->irq, rtl8169_interrupt,
(tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED,
dev->name, dev);
if (retval < 0)
goto err_release_fw_2;
#define R8168_CPCMD_QUIRK_MASK (\
EnableBist | \
Mac_dbgo_oe | \
Force_half_dup | \
Force_rxflow_en | \
Force_txflow_en | \
Cxpl_dbg_sel | \
ASF | \
PktCntrDisable | \
Mac_dbgo_sel)
rtl_lock_work(tp);
static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev)
{
RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
napi_enable(&tp->napi);
rtl_tx_performance_tweak(pdev,
(0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
}
rtl8169_init_phy(dev, tp);
static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev)
{
rtl_hw_start_8168bb(ioaddr, pdev);
__rtl8169_set_features(dev, dev->features);
RTL_W8(MaxTxPacketSize, TxPacketMax);
rtl_pll_power_up(tp);
RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
}
rtl_hw_start(dev);
static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev)
{
RTL_W8(Config1, RTL_R8(Config1) | Speed_down);
netif_start_queue(dev);
RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
rtl_unlock_work(tp);
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
tp->saved_wolopts = 0;
pm_runtime_put_noidle(&pdev->dev);
rtl_disable_clock_request(pdev);
rtl8169_check_link_status(dev, tp, ioaddr);
out:
return retval;
RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
}
err_release_fw_2:
rtl_release_firmware(tp);
rtl8169_rx_clear(tp);
err_free_rx_1:
dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
tp->RxPhyAddr);
tp->RxDescArray = NULL;
err_free_tx_0:
dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
tp->TxPhyAddr);
tp->TxDescArray = NULL;
err_pm_runtime_put:
pm_runtime_put_noidle(&pdev->dev);
goto out;
static void rtl_hw_start_8168cp_1(void __iomem *ioaddr, struct pci_dev *pdev)
{
static const struct ephy_info e_info_8168cp[] = {
{ 0x01, 0, 0x0001 },
{ 0x02, 0x0800, 0x1000 },
{ 0x03, 0, 0x0042 },
{ 0x06, 0x0080, 0x0000 },
{ 0x07, 0, 0x2000 }
};
rtl_csi_access_enable_2(ioaddr);
rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));
__rtl_hw_start_8168cp(ioaddr, pdev);
}
static void rtl_rx_close(struct rtl8169_private *tp)
static void rtl_hw_start_8168cp_2(void __iomem *ioaddr, struct pci_dev *pdev)
{
void __iomem *ioaddr = tp->mmio_addr;
rtl_csi_access_enable_2(ioaddr);
RTL_W32(RxConfig, RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK);
RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
}
static void rtl8169_hw_reset(struct rtl8169_private *tp)
static void rtl_hw_start_8168cp_3(void __iomem *ioaddr, struct pci_dev *pdev)
{
void __iomem *ioaddr = tp->mmio_addr;
rtl_csi_access_enable_2(ioaddr);
/* Disable interrupts */
rtl8169_irq_mask_and_ack(tp);
RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
rtl_rx_close(tp);
/* Magic. */
RTL_W8(DBG_REG, 0x20);
if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
tp->mac_version == RTL_GIGA_MAC_VER_28 ||
tp->mac_version == RTL_GIGA_MAC_VER_31) {
while (RTL_R8(TxPoll) & NPQ)
udelay(20);
} else if (tp->mac_version == RTL_GIGA_MAC_VER_34 ||
tp->mac_version == RTL_GIGA_MAC_VER_35 ||
tp->mac_version == RTL_GIGA_MAC_VER_36) {
RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
while (!(RTL_R32(TxConfig) & TXCFG_EMPTY))
udelay(100);
} else {
RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
udelay(100);
}
RTL_W8(MaxTxPacketSize, TxPacketMax);
rtl_hw_reset(tp);
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
}
static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev)
{
void __iomem *ioaddr = tp->mmio_addr;
static const struct ephy_info e_info_8168c_1[] = {
{ 0x02, 0x0800, 0x1000 },
{ 0x03, 0, 0x0002 },
{ 0x06, 0x0080, 0x0000 }
};
/* Set DMA burst size and Interframe Gap Time */
RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
(InterFrameGap << TxInterFrameGapShift));
rtl_csi_access_enable_2(ioaddr);
RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1));
__rtl_hw_start_8168cp(ioaddr, pdev);
}
static void rtl_hw_start(struct net_device *dev)
static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev)
{
struct rtl8169_private *tp = netdev_priv(dev);
static const struct ephy_info e_info_8168c_2[] = {
{ 0x01, 0, 0x0001 },
{ 0x03, 0x0400, 0x0220 }
};
tp->hw_start(dev);
rtl_csi_access_enable_2(ioaddr);
rtl_irq_enable_all(tp);
rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));
__rtl_hw_start_8168cp(ioaddr, pdev);
}
static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
void __iomem *ioaddr)
static void rtl_hw_start_8168c_3(void __iomem *ioaddr, struct pci_dev *pdev)
{
/*
* Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
* register to be written before TxDescAddrLow to work.
* Switching from MMIO to I/O access fixes the issue as well.
*/
RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
rtl_hw_start_8168c_2(ioaddr, pdev);
}
static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
static void rtl_hw_start_8168c_4(void __iomem *ioaddr, struct pci_dev *pdev)
{
u16 cmd;
cmd = RTL_R16(CPlusCmd);
RTL_W16(CPlusCmd, cmd);
return cmd;
}
rtl_csi_access_enable_2(ioaddr);
static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
{
/* Low hurts. Let's disable the filtering. */
RTL_W16(RxMaxSize, rx_buf_sz + 1);
__rtl_hw_start_8168cp(ioaddr, pdev);
}
static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
static void rtl_hw_start_8168d(void __iomem *ioaddr, struct pci_dev *pdev)
{
static const struct rtl_cfg2_info {
u32 mac_version;
u32 clk;
u32 val;
} cfg2_info [] = {
{ RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
{ RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
{ RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
{ RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
};
const struct rtl_cfg2_info *p = cfg2_info;
unsigned int i;
u32 clk;
clk = RTL_R8(Config2) & PCI_Clock_66MHz;
for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
if ((p->mac_version == mac_version) && (p->clk == clk)) {
RTL_W32(0x7c, p->val);
break;
}
}
}
rtl_csi_access_enable_2(ioaddr);
static void rtl_hw_start_8169(struct net_device *dev)
{
struct rtl8169_private *tp = netdev_priv(dev);
void __iomem *ioaddr = tp->mmio_addr;
struct pci_dev *pdev = tp->pci_dev;
rtl_disable_clock_request(pdev);
if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
}
RTL_W8(MaxTxPacketSize, TxPacketMax);
RTL_W8(Cfg9346, Cfg9346_Unlock);
if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
tp->mac_version == RTL_GIGA_MAC_VER_02 ||
tp->mac_version == RTL_GIGA_MAC_VER_03 ||
tp->mac_version == RTL_GIGA_MAC_VER_04)
RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
rtl_init_rxcfg(tp);
RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
}
RTL_W8(EarlyTxThres, NoEarlyTx);
static void rtl_hw_start_8168dp(void __iomem *ioaddr, struct pci_dev *pdev)
{
rtl_csi_access_enable_1(ioaddr);
rtl_set_rx_max_size(ioaddr, rx_buf_sz);
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
tp->mac_version == RTL_GIGA_MAC_VER_02 ||
tp->mac_version == RTL_GIGA_MAC_VER_03 ||
tp->mac_version == RTL_GIGA_MAC_VER_04)
rtl_set_rx_tx_config_registers(tp);
RTL_W8(MaxTxPacketSize, TxPacketMax);
tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
rtl_disable_clock_request(pdev);
}
if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
tp->mac_version == RTL_GIGA_MAC_VER_03) {
dprintk("Set MAC Reg C+CR Offset 0xE0. "
"Bit-3 and bit-14 MUST be 1\n");
tp->cp_cmd |= (1 << 14);
}
static void rtl_hw_start_8168d_4(void __iomem *ioaddr, struct pci_dev *pdev)
{
static const struct ephy_info e_info_8168d_4[] = {
{ 0x0b, ~0, 0x48 },
{ 0x19, 0x20, 0x50 },
{ 0x0c, ~0, 0x20 }
};
int i;
RTL_W16(CPlusCmd, tp->cp_cmd);
rtl_csi_access_enable_1(ioaddr);
rtl8169_set_magic_reg(ioaddr, tp->mac_version);
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
/*
* Undocumented corner. Supposedly:
* (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
*/
RTL_W16(IntrMitigate, 0x0000);
RTL_W8(MaxTxPacketSize, TxPacketMax);
rtl_set_rx_tx_desc_registers(tp, ioaddr);
for (i = 0; i < ARRAY_SIZE(e_info_8168d_4); i++) {
const struct ephy_info *e = e_info_8168d_4 + i;
u16 w;
if (tp->mac_version != RTL_GIGA_MAC_VER_01 &&
tp->mac_version != RTL_GIGA_MAC_VER_02 &&
tp->mac_version != RTL_GIGA_MAC_VER_03 &&
tp->mac_version != RTL_GIGA_MAC_VER_04) {
RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
rtl_set_rx_tx_config_registers(tp);
w = rtl_ephy_read(ioaddr, e->offset);
rtl_ephy_write(ioaddr, 0x03, (w & e->mask) | e->bits);
}
RTL_W8(Cfg9346, Cfg9346_Lock);
/* Initially a 10 us delay. Turned it into a PCI commit. - FR */
RTL_R8(IntrMask);
RTL_W32(RxMissed, 0);
rtl_set_rx_mode(dev);
/* no early-rx interrupts */
RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
}
static void rtl_csi_access_enable(void __iomem *ioaddr, u32 bits)
{
u32 csi;
csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff;
rtl_csi_write(ioaddr, 0x070c, csi | bits);
rtl_enable_clock_request(pdev);
}
static void rtl_csi_access_enable_1(void __iomem *ioaddr)
static void rtl_hw_start_8168e_1(void __iomem *ioaddr, struct pci_dev *pdev)
{
rtl_csi_access_enable(ioaddr, 0x17000000);
}
static const struct ephy_info e_info_8168e_1[] = {
{ 0x00, 0x0200, 0x0100 },
{ 0x00, 0x0000, 0x0004 },
{ 0x06, 0x0002, 0x0001 },
{ 0x06, 0x0000, 0x0030 },
{ 0x07, 0x0000, 0x2000 },
{ 0x00, 0x0000, 0x0020 },
{ 0x03, 0x5800, 0x2000 },
{ 0x03, 0x0000, 0x0001 },
{ 0x01, 0x0800, 0x1000 },
{ 0x07, 0x0000, 0x4000 },
{ 0x1e, 0x0000, 0x2000 },
{ 0x19, 0xffff, 0xfe6c },
{ 0x0a, 0x0000, 0x0040 }
};
static void rtl_csi_access_enable_2(void __iomem *ioaddr)
{
rtl_csi_access_enable(ioaddr, 0x27000000);
}
rtl_csi_access_enable_2(ioaddr);
struct ephy_info {
unsigned int offset;
u16 mask;
u16 bits;
};
rtl_ephy_init(ioaddr, e_info_8168e_1, ARRAY_SIZE(e_info_8168e_1));
static void rtl_ephy_init(void __iomem *ioaddr, const struct ephy_info *e, int len)
{
u16 w;
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
while (len-- > 0) {
w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits;
rtl_ephy_write(ioaddr, e->offset, w);
e++;
}
}
RTL_W8(MaxTxPacketSize, TxPacketMax);
static void rtl_disable_clock_request(struct pci_dev *pdev)
{
int cap = pci_pcie_cap(pdev);
rtl_disable_clock_request(pdev);
if (cap) {
u16 ctl;
/* Reset tx FIFO pointer */
RTL_W32(MISC, RTL_R32(MISC) | TXPLA_RST);
RTL_W32(MISC, RTL_R32(MISC) & ~TXPLA_RST);
pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN;
pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
}
RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
}
static void rtl_enable_clock_request(struct pci_dev *pdev)
static void rtl_hw_start_8168e_2(void __iomem *ioaddr, struct pci_dev *pdev)
{
int cap = pci_pcie_cap(pdev);
static const struct ephy_info e_info_8168e_2[] = {
{ 0x09, 0x0000, 0x0080 },
{ 0x19, 0x0000, 0x0224 }
};
if (cap) {
u16 ctl;
rtl_csi_access_enable_1(ioaddr);
pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
ctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
}
}
rtl_ephy_init(ioaddr, e_info_8168e_2, ARRAY_SIZE(e_info_8168e_2));
#define R8168_CPCMD_QUIRK_MASK (\
EnableBist | \
Mac_dbgo_oe | \
Force_half_dup | \
Force_rxflow_en | \
Force_txflow_en | \
Cxpl_dbg_sel | \
ASF | \
PktCntrDisable | \
Mac_dbgo_sel)
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev)
{
RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
rtl_eri_write(ioaddr, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
rtl_eri_write(ioaddr, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
rtl_eri_write(ioaddr, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
rtl_eri_write(ioaddr, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
rtl_eri_write(ioaddr, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
rtl_eri_write(ioaddr, 0xd0, ERIAR_MASK_1111, 0x07ff0060, ERIAR_EXGMAC);
rtl_w1w0_eri(ioaddr, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
rtl_w1w0_eri(ioaddr, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00,
ERIAR_EXGMAC);
RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
RTL_W8(MaxTxPacketSize, EarlySize);
rtl_tx_performance_tweak(pdev,
(0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
}
rtl_disable_clock_request(pdev);
static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev)
{
rtl_hw_start_8168bb(ioaddr, pdev);
RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
RTL_W8(MaxTxPacketSize, TxPacketMax);
/* Adjust EEE LED frequency */
RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
}
static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev)
static void rtl_hw_start_8168f_1(void __iomem *ioaddr, struct pci_dev *pdev)
{
RTL_W8(Config1, RTL_R8(Config1) | Speed_down);
static const struct ephy_info e_info_8168f_1[] = {
{ 0x06, 0x00c0, 0x0020 },
{ 0x08, 0x0001, 0x0002 },
{ 0x09, 0x0000, 0x0080 },
{ 0x19, 0x0000, 0x0224 }
};
RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
rtl_csi_access_enable_1(ioaddr);
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
rtl_ephy_init(ioaddr, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1));
rtl_disable_clock_request(pdev);
RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
}
static void rtl_hw_start_8168cp_1(void __iomem *ioaddr, struct pci_dev *pdev)
{
static const struct ephy_info e_info_8168cp[] = {
{ 0x01, 0, 0x0001 },
{ 0x02, 0x0800, 0x1000 },
{ 0x03, 0, 0x0042 },
{ 0x06, 0x0080, 0x0000 },
{ 0x07, 0, 0x2000 }
};
rtl_csi_access_enable_2(ioaddr);
rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));
__rtl_hw_start_8168cp(ioaddr, pdev);
}
static void rtl_hw_start_8168cp_2(void __iomem *ioaddr, struct pci_dev *pdev)
{
rtl_csi_access_enable_2(ioaddr);
RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
}
static void rtl_hw_start_8168cp_3(void __iomem *ioaddr, struct pci_dev *pdev)
{
rtl_csi_access_enable_2(ioaddr);
RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
/* Magic. */
RTL_W8(DBG_REG, 0x20);
RTL_W8(MaxTxPacketSize, TxPacketMax);
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
}
static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev)
{
static const struct ephy_info e_info_8168c_1[] = {
{ 0x02, 0x0800, 0x1000 },
{ 0x03, 0, 0x0002 },
{ 0x06, 0x0080, 0x0000 }
};
rtl_csi_access_enable_2(ioaddr);
RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1));
__rtl_hw_start_8168cp(ioaddr, pdev);
}
static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev)
{
static const struct ephy_info e_info_8168c_2[] = {
{ 0x01, 0, 0x0001 },
{ 0x03, 0x0400, 0x0220 }
};
rtl_csi_access_enable_2(ioaddr);
rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));
__rtl_hw_start_8168cp(ioaddr, pdev);
}
static void rtl_hw_start_8168c_3(void __iomem *ioaddr, struct pci_dev *pdev)
{
rtl_hw_start_8168c_2(ioaddr, pdev);
}
static void rtl_hw_start_8168c_4(void __iomem *ioaddr, struct pci_dev *pdev)
{
rtl_csi_access_enable_2(ioaddr);
__rtl_hw_start_8168cp(ioaddr, pdev);
}
static void rtl_hw_start_8168d(void __iomem *ioaddr, struct pci_dev *pdev)
{
rtl_csi_access_enable_2(ioaddr);
rtl_disable_clock_request(pdev);
RTL_W8(MaxTxPacketSize, TxPacketMax);
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
}
static void rtl_hw_start_8168dp(void __iomem *ioaddr, struct pci_dev *pdev)
{
rtl_csi_access_enable_1(ioaddr);
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
RTL_W8(MaxTxPacketSize, TxPacketMax);
rtl_disable_clock_request(pdev);
}
static void rtl_hw_start_8168d_4(void __iomem *ioaddr, struct pci_dev *pdev)
{
static const struct ephy_info e_info_8168d_4[] = {
{ 0x0b, ~0, 0x48 },
{ 0x19, 0x20, 0x50 },
{ 0x0c, ~0, 0x20 }
};
int i;
rtl_csi_access_enable_1(ioaddr);
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
RTL_W8(MaxTxPacketSize, TxPacketMax);
for (i = 0; i < ARRAY_SIZE(e_info_8168d_4); i++) {
const struct ephy_info *e = e_info_8168d_4 + i;
u16 w;
w = rtl_ephy_read(ioaddr, e->offset);
rtl_ephy_write(ioaddr, 0x03, (w & e->mask) | e->bits);
}
rtl_enable_clock_request(pdev);
}
static void rtl_hw_start_8168e_1(void __iomem *ioaddr, struct pci_dev *pdev)
{
static const struct ephy_info e_info_8168e_1[] = {
{ 0x00, 0x0200, 0x0100 },
{ 0x00, 0x0000, 0x0004 },
{ 0x06, 0x0002, 0x0001 },
{ 0x06, 0x0000, 0x0030 },
{ 0x07, 0x0000, 0x2000 },
{ 0x00, 0x0000, 0x0020 },
{ 0x03, 0x5800, 0x2000 },
{ 0x03, 0x0000, 0x0001 },
{ 0x01, 0x0800, 0x1000 },
{ 0x07, 0x0000, 0x4000 },
{ 0x1e, 0x0000, 0x2000 },
{ 0x19, 0xffff, 0xfe6c },
{ 0x0a, 0x0000, 0x0040 }
};
rtl_csi_access_enable_2(ioaddr);
rtl_ephy_init(ioaddr, e_info_8168e_1, ARRAY_SIZE(e_info_8168e_1));
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
RTL_W8(MaxTxPacketSize, TxPacketMax);
rtl_disable_clock_request(pdev);
/* Reset tx FIFO pointer */
RTL_W32(MISC, RTL_R32(MISC) | TXPLA_RST);
RTL_W32(MISC, RTL_R32(MISC) & ~TXPLA_RST);
RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
}
static void rtl_hw_start_8168e_2(void __iomem *ioaddr, struct pci_dev *pdev)
{
static const struct ephy_info e_info_8168e_2[] = {
{ 0x09, 0x0000, 0x0080 },
{ 0x19, 0x0000, 0x0224 }
};
rtl_csi_access_enable_1(ioaddr);
rtl_ephy_init(ioaddr, e_info_8168e_2, ARRAY_SIZE(e_info_8168e_2));
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
rtl_eri_write(ioaddr, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
rtl_eri_write(ioaddr, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
rtl_eri_write(ioaddr, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
rtl_eri_write(ioaddr, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
rtl_eri_write(ioaddr, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
rtl_eri_write(ioaddr, 0xd0, ERIAR_MASK_1111, 0x07ff0060, ERIAR_EXGMAC);
rtl_w1w0_eri(ioaddr, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
rtl_w1w0_eri(ioaddr, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00,
ERIAR_EXGMAC);
RTL_W8(MaxTxPacketSize, EarlySize);
rtl_disable_clock_request(pdev);
RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
/* Adjust EEE LED frequency */
RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
}
static void rtl_hw_start_8168f_1(void __iomem *ioaddr, struct pci_dev *pdev)
{
static const struct ephy_info e_info_8168f_1[] = {
{ 0x06, 0x00c0, 0x0020 },
{ 0x08, 0x0001, 0x0002 },
{ 0x09, 0x0000, 0x0080 },
{ 0x19, 0x0000, 0x0224 }
};
rtl_csi_access_enable_1(ioaddr);
rtl_ephy_init(ioaddr, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1));
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
rtl_eri_write(ioaddr, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
rtl_eri_write(ioaddr, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
......@@ -6044,7 +5634,7 @@ static int rtl8169_close(struct net_device *dev)
rtl8169_down(dev);
rtl_unlock_work(tp);
free_irq(dev->irq, dev);
free_irq(pdev->irq, dev);
dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
tp->RxPhyAddr);
......@@ -6058,54 +5648,93 @@ static int rtl8169_close(struct net_device *dev)
return 0;
}
static void rtl_set_rx_mode(struct net_device *dev)
#ifdef CONFIG_NET_POLL_CONTROLLER
static void rtl8169_netpoll(struct net_device *dev)
{
struct rtl8169_private *tp = netdev_priv(dev);
void __iomem *ioaddr = tp->mmio_addr;
u32 mc_filter[2]; /* Multicast hash filter */
int rx_mode;
u32 tmp = 0;
if (dev->flags & IFF_PROMISC) {
/* Unconditionally log net taps. */
netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
rx_mode =
AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
AcceptAllPhys;
mc_filter[1] = mc_filter[0] = 0xffffffff;
} else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
(dev->flags & IFF_ALLMULTI)) {
/* Too many to filter perfectly -- accept all multicasts. */
rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
mc_filter[1] = mc_filter[0] = 0xffffffff;
} else {
struct netdev_hw_addr *ha;
rtl8169_interrupt(tp->pci_dev->irq, dev);
}
#endif
rx_mode = AcceptBroadcast | AcceptMyPhys;
mc_filter[1] = mc_filter[0] = 0;
netdev_for_each_mc_addr(ha, dev) {
int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
rx_mode |= AcceptMulticast;
}
}
static int rtl_open(struct net_device *dev)
{
struct rtl8169_private *tp = netdev_priv(dev);
void __iomem *ioaddr = tp->mmio_addr;
struct pci_dev *pdev = tp->pci_dev;
int retval = -ENOMEM;
if (dev->features & NETIF_F_RXALL)
rx_mode |= (AcceptErr | AcceptRunt);
pm_runtime_get_sync(&pdev->dev);
tmp = (RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK) | rx_mode;
/*
* Rx and Tx desscriptors needs 256 bytes alignment.
* dma_alloc_coherent provides more.
*/
tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
&tp->TxPhyAddr, GFP_KERNEL);
if (!tp->TxDescArray)
goto err_pm_runtime_put;
if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
u32 data = mc_filter[0];
tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
&tp->RxPhyAddr, GFP_KERNEL);
if (!tp->RxDescArray)
goto err_free_tx_0;
mc_filter[0] = swab32(mc_filter[1]);
mc_filter[1] = swab32(data);
}
retval = rtl8169_init_ring(dev);
if (retval < 0)
goto err_free_rx_1;
RTL_W32(MAR0 + 4, mc_filter[1]);
RTL_W32(MAR0 + 0, mc_filter[0]);
INIT_WORK(&tp->wk.work, rtl_task);
RTL_W32(RxConfig, tmp);
smp_mb();
rtl_request_firmware(tp);
retval = request_irq(pdev->irq, rtl8169_interrupt,
(tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED,
dev->name, dev);
if (retval < 0)
goto err_release_fw_2;
rtl_lock_work(tp);
set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
napi_enable(&tp->napi);
rtl8169_init_phy(dev, tp);
__rtl8169_set_features(dev, dev->features);
rtl_pll_power_up(tp);
rtl_hw_start(dev);
netif_start_queue(dev);
rtl_unlock_work(tp);
tp->saved_wolopts = 0;
pm_runtime_put_noidle(&pdev->dev);
rtl8169_check_link_status(dev, tp, ioaddr);
out:
return retval;
err_release_fw_2:
rtl_release_firmware(tp);
rtl8169_rx_clear(tp);
err_free_rx_1:
dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
tp->RxPhyAddr);
tp->RxDescArray = NULL;
err_free_tx_0:
dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
tp->TxPhyAddr);
tp->TxDescArray = NULL;
err_pm_runtime_put:
pm_runtime_put_noidle(&pdev->dev);
goto out;
}
static struct rtnl_link_stats64 *
......@@ -6167,160 +5796,507 @@ static int rtl8169_suspend(struct device *device)
struct pci_dev *pdev = to_pci_dev(device);
struct net_device *dev = pci_get_drvdata(pdev);
rtl8169_net_suspend(dev);
rtl8169_net_suspend(dev);
return 0;
}
static void __rtl8169_resume(struct net_device *dev)
{
struct rtl8169_private *tp = netdev_priv(dev);
netif_device_attach(dev);
rtl_pll_power_up(tp);
set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
}
static int rtl8169_resume(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
struct net_device *dev = pci_get_drvdata(pdev);
struct rtl8169_private *tp = netdev_priv(dev);
rtl8169_init_phy(dev, tp);
if (netif_running(dev))
__rtl8169_resume(dev);
return 0;
}
static int rtl8169_runtime_suspend(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
struct net_device *dev = pci_get_drvdata(pdev);
struct rtl8169_private *tp = netdev_priv(dev);
if (!tp->TxDescArray)
return 0;
rtl_lock_work(tp);
tp->saved_wolopts = __rtl8169_get_wol(tp);
__rtl8169_set_wol(tp, WAKE_ANY);
rtl_unlock_work(tp);
rtl8169_net_suspend(dev);
return 0;
}
static int rtl8169_runtime_resume(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
struct net_device *dev = pci_get_drvdata(pdev);
struct rtl8169_private *tp = netdev_priv(dev);
if (!tp->TxDescArray)
return 0;
rtl_lock_work(tp);
__rtl8169_set_wol(tp, tp->saved_wolopts);
tp->saved_wolopts = 0;
rtl_unlock_work(tp);
rtl8169_init_phy(dev, tp);
__rtl8169_resume(dev);
return 0;
}
static int rtl8169_runtime_idle(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
struct net_device *dev = pci_get_drvdata(pdev);
struct rtl8169_private *tp = netdev_priv(dev);
return tp->TxDescArray ? -EBUSY : 0;
}
static const struct dev_pm_ops rtl8169_pm_ops = {
.suspend = rtl8169_suspend,
.resume = rtl8169_resume,
.freeze = rtl8169_suspend,
.thaw = rtl8169_resume,
.poweroff = rtl8169_suspend,
.restore = rtl8169_resume,
.runtime_suspend = rtl8169_runtime_suspend,
.runtime_resume = rtl8169_runtime_resume,
.runtime_idle = rtl8169_runtime_idle,
};
#define RTL8169_PM_OPS (&rtl8169_pm_ops)
#else /* !CONFIG_PM */
#define RTL8169_PM_OPS NULL
#endif /* !CONFIG_PM */
static void rtl_wol_shutdown_quirk(struct rtl8169_private *tp)
{
void __iomem *ioaddr = tp->mmio_addr;
/* WoL fails with 8168b when the receiver is disabled. */
switch (tp->mac_version) {
case RTL_GIGA_MAC_VER_11:
case RTL_GIGA_MAC_VER_12:
case RTL_GIGA_MAC_VER_17:
pci_clear_master(tp->pci_dev);
RTL_W8(ChipCmd, CmdRxEnb);
/* PCI commit */
RTL_R8(ChipCmd);
break;
default:
break;
}
}
static void rtl_shutdown(struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata(pdev);
struct rtl8169_private *tp = netdev_priv(dev);
struct device *d = &pdev->dev;
pm_runtime_get_sync(d);
rtl8169_net_suspend(dev);
/* Restore original MAC address */
rtl_rar_set(tp, dev->perm_addr);
rtl8169_hw_reset(tp);
if (system_state == SYSTEM_POWER_OFF) {
if (__rtl8169_get_wol(tp) & WAKE_ANY) {
rtl_wol_suspend_quirk(tp);
rtl_wol_shutdown_quirk(tp);
}
pci_wake_from_d3(pdev, true);
pci_set_power_state(pdev, PCI_D3hot);
}
pm_runtime_put_noidle(d);
}
static void __devexit rtl_remove_one(struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata(pdev);
struct rtl8169_private *tp = netdev_priv(dev);
if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
tp->mac_version == RTL_GIGA_MAC_VER_28 ||
tp->mac_version == RTL_GIGA_MAC_VER_31) {
rtl8168_driver_stop(tp);
}
cancel_work_sync(&tp->wk.work);
unregister_netdev(dev);
rtl_release_firmware(tp);
if (pci_dev_run_wake(pdev))
pm_runtime_get_noresume(&pdev->dev);
/* restore original MAC address */
rtl_rar_set(tp, dev->perm_addr);
rtl_disable_msi(pdev, tp);
rtl8169_release_board(pdev, dev, tp->mmio_addr);
pci_set_drvdata(pdev, NULL);
}
static const struct net_device_ops rtl_netdev_ops = {
.ndo_open = rtl_open,
.ndo_stop = rtl8169_close,
.ndo_get_stats64 = rtl8169_get_stats64,
.ndo_start_xmit = rtl8169_start_xmit,
.ndo_tx_timeout = rtl8169_tx_timeout,
.ndo_validate_addr = eth_validate_addr,
.ndo_change_mtu = rtl8169_change_mtu,
.ndo_fix_features = rtl8169_fix_features,
.ndo_set_features = rtl8169_set_features,
.ndo_set_mac_address = rtl_set_mac_address,
.ndo_do_ioctl = rtl8169_ioctl,
.ndo_set_rx_mode = rtl_set_rx_mode,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = rtl8169_netpoll,
#endif
};
static const struct rtl_cfg_info {
void (*hw_start)(struct net_device *);
unsigned int region;
unsigned int align;
u16 event_slow;
unsigned features;
u8 default_ver;
} rtl_cfg_infos [] = {
[RTL_CFG_0] = {
.hw_start = rtl_hw_start_8169,
.region = 1,
.align = 0,
.event_slow = SYSErr | LinkChg | RxOverflow | RxFIFOOver,
.features = RTL_FEATURE_GMII,
.default_ver = RTL_GIGA_MAC_VER_01,
},
[RTL_CFG_1] = {
.hw_start = rtl_hw_start_8168,
.region = 2,
.align = 8,
.event_slow = SYSErr | LinkChg | RxOverflow,
.features = RTL_FEATURE_GMII | RTL_FEATURE_MSI,
.default_ver = RTL_GIGA_MAC_VER_11,
},
[RTL_CFG_2] = {
.hw_start = rtl_hw_start_8101,
.region = 2,
.align = 8,
.event_slow = SYSErr | LinkChg | RxOverflow | RxFIFOOver |
PCSTimeout,
.features = RTL_FEATURE_MSI,
.default_ver = RTL_GIGA_MAC_VER_13,
}
};
/* Cfg9346_Unlock assumed. */
static unsigned rtl_try_msi(struct rtl8169_private *tp,
const struct rtl_cfg_info *cfg)
{
void __iomem *ioaddr = tp->mmio_addr;
unsigned msi = 0;
u8 cfg2;
cfg2 = RTL_R8(Config2) & ~MSIEnable;
if (cfg->features & RTL_FEATURE_MSI) {
if (pci_enable_msi(tp->pci_dev)) {
netif_info(tp, hw, tp->dev, "no MSI. Back to INTx.\n");
} else {
cfg2 |= MSIEnable;
msi = RTL_FEATURE_MSI;
}
}
if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
RTL_W8(Config2, cfg2);
return msi;
}
static int __devinit
rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
const unsigned int region = cfg->region;
struct rtl8169_private *tp;
struct mii_if_info *mii;
struct net_device *dev;
void __iomem *ioaddr;
int chipset, i;
int rc;
if (netif_msg_drv(&debug)) {
printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
MODULENAME, RTL8169_VERSION);
}
dev = alloc_etherdev(sizeof (*tp));
if (!dev) {
rc = -ENOMEM;
goto out;
}
SET_NETDEV_DEV(dev, &pdev->dev);
dev->netdev_ops = &rtl_netdev_ops;
tp = netdev_priv(dev);
tp->dev = dev;
tp->pci_dev = pdev;
tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
mii = &tp->mii;
mii->dev = dev;
mii->mdio_read = rtl_mdio_read;
mii->mdio_write = rtl_mdio_write;
mii->phy_id_mask = 0x1f;
mii->reg_num_mask = 0x1f;
mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);
/* disable ASPM completely as that cause random device stop working
* problems as well as full system hangs for some PCIe devices users */
pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
PCIE_LINK_STATE_CLKPM);
/* enable device (incl. PCI PM wakeup and hotplug setup) */
rc = pci_enable_device(pdev);
if (rc < 0) {
netif_err(tp, probe, dev, "enable failure\n");
goto err_out_free_dev_1;
}
if (pci_set_mwi(pdev) < 0)
netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
/* make sure PCI base addr 1 is MMIO */
if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
netif_err(tp, probe, dev,
"region #%d not an MMIO resource, aborting\n",
region);
rc = -ENODEV;
goto err_out_mwi_2;
}
return 0;
}
/* check for weird/broken PCI region reporting */
if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
netif_err(tp, probe, dev,
"Invalid PCI region size(s), aborting\n");
rc = -ENODEV;
goto err_out_mwi_2;
}
static void __rtl8169_resume(struct net_device *dev)
{
struct rtl8169_private *tp = netdev_priv(dev);
rc = pci_request_regions(pdev, MODULENAME);
if (rc < 0) {
netif_err(tp, probe, dev, "could not request regions\n");
goto err_out_mwi_2;
}
netif_device_attach(dev);
tp->cp_cmd = RxChkSum;
rtl_pll_power_up(tp);
if ((sizeof(dma_addr_t) > 4) &&
!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
tp->cp_cmd |= PCIDAC;
dev->features |= NETIF_F_HIGHDMA;
} else {
rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (rc < 0) {
netif_err(tp, probe, dev, "DMA configuration failed\n");
goto err_out_free_res_3;
}
}
set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
/* ioremap MMIO region */
ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
if (!ioaddr) {
netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
rc = -EIO;
goto err_out_free_res_3;
}
tp->mmio_addr = ioaddr;
rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
}
if (!pci_is_pcie(pdev))
netif_info(tp, probe, dev, "not PCI Express\n");
static int rtl8169_resume(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
struct net_device *dev = pci_get_drvdata(pdev);
struct rtl8169_private *tp = netdev_priv(dev);
/* Identify chip attached to board */
rtl8169_get_mac_version(tp, dev, cfg->default_ver);
rtl8169_init_phy(dev, tp);
rtl_init_rxcfg(tp);
if (netif_running(dev))
__rtl8169_resume(dev);
rtl_irq_disable(tp);
return 0;
}
rtl_hw_reset(tp);
static int rtl8169_runtime_suspend(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
struct net_device *dev = pci_get_drvdata(pdev);
struct rtl8169_private *tp = netdev_priv(dev);
rtl_ack_events(tp, 0xffff);
if (!tp->TxDescArray)
return 0;
pci_set_master(pdev);
rtl_lock_work(tp);
tp->saved_wolopts = __rtl8169_get_wol(tp);
__rtl8169_set_wol(tp, WAKE_ANY);
rtl_unlock_work(tp);
/*
* Pretend we are using VLANs; This bypasses a nasty bug where
* Interrupts stop flowing on high load on 8110SCd controllers.
*/
if (tp->mac_version == RTL_GIGA_MAC_VER_05)
tp->cp_cmd |= RxVlan;
rtl8169_net_suspend(dev);
rtl_init_mdio_ops(tp);
rtl_init_pll_power_ops(tp);
rtl_init_jumbo_ops(tp);
return 0;
}
rtl8169_print_mac_version(tp);
static int rtl8169_runtime_resume(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
struct net_device *dev = pci_get_drvdata(pdev);
struct rtl8169_private *tp = netdev_priv(dev);
chipset = tp->mac_version;
tp->txd_version = rtl_chip_infos[chipset].txd_version;
if (!tp->TxDescArray)
return 0;
RTL_W8(Cfg9346, Cfg9346_Unlock);
RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
RTL_W8(Config5, RTL_R8(Config5) & PMEStatus);
if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0)
tp->features |= RTL_FEATURE_WOL;
if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
tp->features |= RTL_FEATURE_WOL;
tp->features |= rtl_try_msi(tp, cfg);
RTL_W8(Cfg9346, Cfg9346_Lock);
rtl_lock_work(tp);
__rtl8169_set_wol(tp, tp->saved_wolopts);
tp->saved_wolopts = 0;
rtl_unlock_work(tp);
if (rtl_tbi_enabled(tp)) {
tp->set_speed = rtl8169_set_speed_tbi;
tp->get_settings = rtl8169_gset_tbi;
tp->phy_reset_enable = rtl8169_tbi_reset_enable;
tp->phy_reset_pending = rtl8169_tbi_reset_pending;
tp->link_ok = rtl8169_tbi_link_ok;
tp->do_ioctl = rtl_tbi_ioctl;
} else {
tp->set_speed = rtl8169_set_speed_xmii;
tp->get_settings = rtl8169_gset_xmii;
tp->phy_reset_enable = rtl8169_xmii_reset_enable;
tp->phy_reset_pending = rtl8169_xmii_reset_pending;
tp->link_ok = rtl8169_xmii_link_ok;
tp->do_ioctl = rtl_xmii_ioctl;
}
rtl8169_init_phy(dev, tp);
mutex_init(&tp->wk.mutex);
__rtl8169_resume(dev);
/* Get MAC address */
for (i = 0; i < ETH_ALEN; i++)
dev->dev_addr[i] = RTL_R8(MAC0 + i);
memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
return 0;
}
SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops);
dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
static int rtl8169_runtime_idle(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
struct net_device *dev = pci_get_drvdata(pdev);
struct rtl8169_private *tp = netdev_priv(dev);
netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
return tp->TxDescArray ? -EBUSY : 0;
}
/* don't enable SG, IP_CSUM and TSO by default - it might not work
* properly for all devices */
dev->features |= NETIF_F_RXCSUM |
NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
static const struct dev_pm_ops rtl8169_pm_ops = {
.suspend = rtl8169_suspend,
.resume = rtl8169_resume,
.freeze = rtl8169_suspend,
.thaw = rtl8169_resume,
.poweroff = rtl8169_suspend,
.restore = rtl8169_resume,
.runtime_suspend = rtl8169_runtime_suspend,
.runtime_resume = rtl8169_runtime_resume,
.runtime_idle = rtl8169_runtime_idle,
};
dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
NETIF_F_RXCSUM | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
NETIF_F_HIGHDMA;
#define RTL8169_PM_OPS (&rtl8169_pm_ops)
if (tp->mac_version == RTL_GIGA_MAC_VER_05)
/* 8110SCd requires hardware Rx VLAN - disallow toggling */
dev->hw_features &= ~NETIF_F_HW_VLAN_RX;
#else /* !CONFIG_PM */
dev->hw_features |= NETIF_F_RXALL;
dev->hw_features |= NETIF_F_RXFCS;
#define RTL8169_PM_OPS NULL
tp->hw_start = cfg->hw_start;
tp->event_slow = cfg->event_slow;
#endif /* !CONFIG_PM */
tp->opts1_mask = (tp->mac_version != RTL_GIGA_MAC_VER_01) ?
~(RxBOVF | RxFOVF) : ~0;
static void rtl_wol_shutdown_quirk(struct rtl8169_private *tp)
{
void __iomem *ioaddr = tp->mmio_addr;
init_timer(&tp->timer);
tp->timer.data = (unsigned long) dev;
tp->timer.function = rtl8169_phy_timer;
/* WoL fails with 8168b when the receiver is disabled. */
switch (tp->mac_version) {
case RTL_GIGA_MAC_VER_11:
case RTL_GIGA_MAC_VER_12:
case RTL_GIGA_MAC_VER_17:
pci_clear_master(tp->pci_dev);
tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
RTL_W8(ChipCmd, CmdRxEnb);
/* PCI commit */
RTL_R8(ChipCmd);
break;
default:
break;
}
}
rc = register_netdev(dev);
if (rc < 0)
goto err_out_msi_4;
static void rtl_shutdown(struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata(pdev);
struct rtl8169_private *tp = netdev_priv(dev);
struct device *d = &pdev->dev;
pci_set_drvdata(pdev, dev);
pm_runtime_get_sync(d);
netif_info(tp, probe, dev, "%s at 0x%p, %pM, XID %08x IRQ %d\n",
rtl_chip_infos[chipset].name, ioaddr, dev->dev_addr,
(u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), pdev->irq);
if (rtl_chip_infos[chipset].jumbo_max != JUMBO_1K) {
netif_info(tp, probe, dev, "jumbo features [frames: %d bytes, "
"tx checksumming: %s]\n",
rtl_chip_infos[chipset].jumbo_max,
rtl_chip_infos[chipset].jumbo_tx_csum ? "ok" : "ko");
}
rtl8169_net_suspend(dev);
if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
tp->mac_version == RTL_GIGA_MAC_VER_28 ||
tp->mac_version == RTL_GIGA_MAC_VER_31) {
rtl8168_driver_start(tp);
}
/* Restore original MAC address */
rtl_rar_set(tp, dev->perm_addr);
device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);
rtl8169_hw_reset(tp);
if (pci_dev_run_wake(pdev))
pm_runtime_put_noidle(&pdev->dev);
if (system_state == SYSTEM_POWER_OFF) {
if (__rtl8169_get_wol(tp) & WAKE_ANY) {
rtl_wol_suspend_quirk(tp);
rtl_wol_shutdown_quirk(tp);
}
netif_carrier_off(dev);
pci_wake_from_d3(pdev, true);
pci_set_power_state(pdev, PCI_D3hot);
}
out:
return rc;
pm_runtime_put_noidle(d);
err_out_msi_4:
rtl_disable_msi(pdev, tp);
iounmap(ioaddr);
err_out_free_res_3:
pci_release_regions(pdev);
err_out_mwi_2:
pci_clear_mwi(pdev);
pci_disable_device(pdev);
err_out_free_dev_1:
free_netdev(dev);
goto out;
}
static struct pci_driver rtl8169_pci_driver = {
.name = MODULENAME,
.id_table = rtl8169_pci_tbl,
.probe = rtl8169_init_one,
.remove = __devexit_p(rtl8169_remove_one),
.probe = rtl_init_one,
.remove = __devexit_p(rtl_remove_one),
.shutdown = rtl_shutdown,
.driver.pm = RTL8169_PM_OPS,
};
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7