diff options
| author | David S. Miller <davem@davemloft.net> | 2009-10-13 12:55:20 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-10-13 12:55:20 -0700 |
| commit | 421355de876b9f3fcc7e4cb6026e416fb12a5068 (patch) | |
| tree | fb814456af86c75e1eb9e330994dda461fc5b4f7 | |
| parent | aace495933a981274b6491d71b915165a61defdc (diff) | |
| parent | 0fe7463a35aadfaf22d1ca58325ab3851b8d757c (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
32 files changed, 5273 insertions, 141 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index c57c2e6c8d2..ca4131ea5f7 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3654,6 +3654,7 @@ NETWORKING [GENERAL] M: "David S. Miller" <davem@davemloft.net> L: netdev@vger.kernel.org W: http://www.linuxfoundation.org/en/Net +W: http://patchwork.ozlabs.org/project/netdev/list/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.git S: Maintained F: net/ @@ -5635,6 +5636,13 @@ S: Maintained F: drivers/vlynq/vlynq.c F: include/linux/vlynq.h +VMWARE VMXNET3 ETHERNET DRIVER +M: Shreyas Bhatewara <sbhatewara@vmware.com> +M: VMware, Inc. <pv-drivers@vmware.com> +L: netdev@vger.kernel.org +S: Maintained +F: drivers/net/vmxnet3/ + VOLTAGE AND CURRENT REGULATOR FRAMEWORK M: Liam Girdwood <lrg@slimlogic.co.uk> M: Mark Brown <broonie@opensource.wolfsonmicro.com> diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index d9772af812c..04fb8b0ca3e 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -3230,4 +3230,12 @@ config VIRTIO_NET This is the virtual network driver for virtio. It can be used with lguest or QEMU based VMMs (like KVM or Xen). Say Y or M. +config VMXNET3 + tristate "VMware VMXNET3 ethernet driver" + depends on PCI && X86 + help + This driver supports VMware's vmxnet3 virtual ethernet NIC. + To compile this driver as a module, choose M here: the + module will be called vmxnet3. + endif # NETDEVICES diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 48d82e901aa..fc6c8bb92c5 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -30,6 +30,7 @@ obj-$(CONFIG_TEHUTI) += tehuti.o obj-$(CONFIG_ENIC) += enic/ obj-$(CONFIG_JME) += jme.o obj-$(CONFIG_BE2NET) += benet/ +obj-$(CONFIG_VMXNET3) += vmxnet3/ gianfar_driver-objs := gianfar.o \ gianfar_ethtool.o \ diff --git a/drivers/net/acenic.c b/drivers/net/acenic.c index 5f0b05c2d71..d82a9a99475 100644 --- a/drivers/net/acenic.c +++ b/drivers/net/acenic.c @@ -1209,7 +1209,8 @@ static int __devinit ace_init(struct net_device *dev) memset(ap->info, 0, sizeof(struct ace_info)); memset(ap->skb, 0, sizeof(struct ace_skb)); - if (ace_load_firmware(dev)) + ecode = ace_load_firmware(dev); + if (ecode) goto init_error; ap->fw_running = 0; diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c index a421ec046b3..a876dce13b9 100644 --- a/drivers/net/davinci_emac.c +++ b/drivers/net/davinci_emac.c @@ -330,6 +330,9 @@ static const char emac_version_string[] = "TI DaVinci EMAC Linux v6.1"; #define EMAC_DM646X_MAC_EOI_C0_RXEN (0x01) #define EMAC_DM646X_MAC_EOI_C0_TXEN (0x02) +/* EMAC Stats Clear Mask */ +#define EMAC_STATS_CLR_MASK (0xFFFFFFFF) + /** net_buf_obj: EMAC network bufferdata structure * * EMAC network buffer data structure @@ -2544,40 +2547,49 @@ static int emac_dev_stop(struct net_device *ndev) static struct net_device_stats *emac_dev_getnetstats(struct net_device *ndev) { struct emac_priv *priv = netdev_priv(ndev); + u32 mac_control; + u32 stats_clear_mask; /* update emac hardware stats and reset the registers*/ + mac_control = emac_read(EMAC_MACCONTROL); + + if (mac_control & EMAC_MACCONTROL_GMIIEN) + stats_clear_mask = EMAC_STATS_CLR_MASK; + else + stats_clear_mask = 0; + priv->net_dev_stats.multicast += emac_read(EMAC_RXMCASTFRAMES); - emac_write(EMAC_RXMCASTFRAMES, EMAC_ALL_MULTI_REG_VALUE); + emac_write(EMAC_RXMCASTFRAMES, stats_clear_mask); priv->net_dev_stats.collisions += (emac_read(EMAC_TXCOLLISION) + emac_read(EMAC_TXSINGLECOLL) + emac_read(EMAC_TXMULTICOLL)); - emac_write(EMAC_TXCOLLISION, EMAC_ALL_MULTI_REG_VALUE); - emac_write(EMAC_TXSINGLECOLL, EMAC_ALL_MULTI_REG_VALUE); - emac_write(EMAC_TXMULTICOLL, EMAC_ALL_MULTI_REG_VALUE); + emac_write(EMAC_TXCOLLISION, stats_clear_mask); + emac_write(EMAC_TXSINGLECOLL, stats_clear_mask); + emac_write(EMAC_TXMULTICOLL, stats_clear_mask); priv->net_dev_stats.rx_length_errors += (emac_read(EMAC_RXOVERSIZED) + emac_read(EMAC_RXJABBER) + emac_read(EMAC_RXUNDERSIZED)); - emac_write(EMAC_RXOVERSIZED, EMAC_ALL_MULTI_REG_VALUE); - emac_write(EMAC_RXJABBER, EMAC_ALL_MULTI_REG_VALUE); - emac_write(EMAC_RXUNDERSIZED, EMAC_ALL_MULTI_REG_VALUE); + emac_write(EMAC_RXOVERSIZED, stats_clear_mask); + emac_write(EMAC_RXJABBER, stats_clear_mask); + emac_write(EMAC_RXUNDERSIZED, stats_clear_mask); priv->net_dev_stats.rx_over_errors += (emac_read(EMAC_RXSOFOVERRUNS) + emac_read(EMAC_RXMOFOVERRUNS)); - emac_write(EMAC_RXSOFOVERRUNS, EMAC_ALL_MULTI_REG_VALUE); - emac_write(EMAC_RXMOFOVERRUNS, EMAC_ALL_MULTI_REG_VALUE); + emac_write(EMAC_RXSOFOVERRUNS, stats_clear_mask); + emac_write(EMAC_RXMOFOVERRUNS, stats_clear_mask); priv->net_dev_stats.rx_fifo_errors += emac_read(EMAC_RXDMAOVERRUNS); - emac_write(EMAC_RXDMAOVERRUNS, EMAC_ALL_MULTI_REG_VALUE); + emac_write(EMAC_RXDMAOVERRUNS, stats_clear_mask); priv->net_dev_stats.tx_carrier_errors += emac_read(EMAC_TXCARRIERSENSE); - emac_write(EMAC_TXCARRIERSENSE, EMAC_ALL_MULTI_REG_VALUE); + emac_write(EMAC_TXCARRIERSENSE, stats_clear_mask); priv->net_dev_stats.tx_fifo_errors = emac_read(EMAC_TXUNDERRUN); - emac_write(EMAC_TXUNDERRUN, EMAC_ALL_MULTI_REG_VALUE); + emac_write(EMAC_TXUNDERRUN, stats_clear_mask); return &priv->net_dev_stats; } diff --git a/drivers/net/ethoc.c b/drivers/net/ethoc.c index 0c229a5fa82..a25f8ed8109 100644 --- a/drivers/net/ethoc.c +++ b/drivers/net/ethoc.c @@ -663,7 +663,8 @@ static int ethoc_open(struct net_device *dev) return ret; /* calculate the number of TX/RX buffers, maximum 128 supported */ - num_bd = min(128, (dev->mem_end - dev->mem_start + 1) / ETHOC_BUFSIZ); + num_bd = min_t(unsigned int, + 128, (dev->mem_end - dev->mem_start + 1) / ETHOC_BUFSIZ); priv->num_tx = max(min_tx, num_bd / 4); priv->num_rx = num_bd - priv->num_tx; ethoc_write(priv, TX_BD_NUM, priv->num_tx); diff --git a/drivers/net/irda/sa1100_ir.c b/drivers/net/irda/sa1100_ir.c index 38bf7cf2256..c412e802617 100644 --- a/drivers/net/irda/sa1100_ir.c +++ b/drivers/net/irda/sa1100_ir.c @@ -232,8 +232,11 @@ static int sa1100_irda_startup(struct sa1100_irda *si) /* * Ensure that the ports for this device are setup correctly. */ - if (si->pdata->startup) - si->pdata->startup(si->dev); + if (si->pdata->startup) { + ret = si->pdata->startup(si->dev); + if (ret) + return ret; + } /* * Configure PPC for IRDA - we want to drive TXD2 low. diff --git a/drivers/net/ixp2000/enp2611.c b/drivers/net/ixp2000/enp2611.c index b02a981c87a..34a6cfd1793 100644 --- a/drivers/net/ixp2000/enp2611.c +++ b/drivers/net/ixp2000/enp2611.c @@ -119,24 +119,9 @@ static struct ixp2400_msf_parameters enp2611_msf_parameters = } }; -struct enp2611_ixpdev_priv -{ - struct ixpdev_priv ixpdev_priv; - struct net_device_stats stats; -}; - static struct net_device *nds[3]; static struct timer_list link_check_timer; -static struct net_device_stats *enp2611_get_stats(struct net_device *dev) -{ - struct enp2611_ixpdev_priv *ip = netdev_priv(dev); - - pm3386_get_stats(ip->ixpdev_priv.channel, &(ip->stats)); - - return &(ip->stats); -} - /* @@@ Poll the SFP moddef0 line too. */ /* @@@ Try to use the pm3386 DOOL interrupt as well. */ static void enp2611_check_link_status(unsigned long __dummy) @@ -203,14 +188,13 @@ static int __init enp2611_init_module(void) ports = pm3386_port_count(); for (i = 0; i < ports; i++) { - nds[i] = ixpdev_alloc(i, sizeof(struct enp2611_ixpdev_priv)); + nds[i] = ixpdev_alloc(i, sizeof(struct ixpdev_priv)); if (nds[i] == NULL) { while (--i >= 0) free_netdev(nds[i]); return -ENOMEM; } - nds[i]->get_stats = enp2611_get_stats; pm3386_init_port(i); pm3386_get_mac(i, nds[i]->dev_addr); } diff --git a/drivers/net/ixp2000/ixpdev.c b/drivers/net/ixp2000/ixpdev.c index 6baf3c94b3e..e9d9d595e1b 100644 --- a/drivers/net/ixp2000/ixpdev.c +++ b/drivers/net/ixp2000/ixpdev.c @@ -21,6 +21,7 @@ #include "ixp2400_tx.ucode" #include "ixpdev_priv.h" #include "ixpdev.h" +#include "pm3386.h" #define DRV_MODULE_VERSION "0.2" @@ -270,6 +271,15 @@ static int ixpdev_close(struct net_device *dev) return 0; } +static struct net_device_stats *ixpdev_get_stats(struct net_device *dev) +{ + struct ixpdev_priv *ip = netdev_priv(dev); + + pm3386_get_stats(ip->channel, &(dev->stats)); + + return &(dev->stats); +} + static const struct net_device_ops ixpdev_netdev_ops = { .ndo_open = ixpdev_open, .ndo_stop = ixpdev_close, @@ -277,6 +287,7 @@ static const struct net_device_ops ixpdev_netdev_ops = { .ndo_change_mtu = eth_change_mtu, .ndo_validate_addr = eth_validate_addr, .ndo_set_mac_address = eth_mac_addr, + .ndo_get_stats = ixpdev_get_stats, #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = ixpdev_poll_controller, #endif diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index ecbadc5e289..5bc8520e3e1 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -597,7 +597,8 @@ netxen_setup_pci_map(struct netxen_adapter *adapter) void __iomem *mem_ptr2 = NULL; void __iomem *db_ptr = NULL; - unsigned long mem_base, mem_len, db_base, db_len = 0, pci_len0 = 0; + resource_size_t mem_base, db_base; + unsigned long mem_len, db_len = 0, pci_len0 = 0; struct pci_dev *pdev = adapter->pdev; int pci_func = adapter->ahw.pci_func; diff --git a/drivers/net/pcmcia/3c574_cs.c b/drivers/net/pcmcia/3c574_cs.c index ee8ad3e180d..b58965a2b3a 100644 --- a/drivers/net/pcmcia/3c574_cs.c +++ b/drivers/net/pcmcia/3c574_cs.c @@ -251,6 +251,7 @@ static void el3_tx_timeout(struct net_device *dev); static int el3_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); static const struct ethtool_ops netdev_ethtool_ops; static void set_rx_mode(struct net_device *dev); +static void set_multicast_list(struct net_device *dev); static void tc574_detach(struct pcmcia_device *p_dev); @@ -266,7 +267,7 @@ static const struct net_device_ops el3_netdev_ops = { .ndo_tx_timeout = el3_tx_timeout, .ndo_get_stats = el3_get_stats, .ndo_do_ioctl = el3_ioctl, - .ndo_set_multicast_list = set_rx_mode, + .ndo_set_multicast_list = set_multicast_list, .ndo_change_mtu = eth_change_mtu, .ndo_set_mac_address = eth_mac_addr, .ndo_validate_addr = eth_validate_addr, @@ -1161,6 +1162,16 @@ static void set_rx_mode(struct net_device *dev) outw(SetRxFilter | RxStation | RxBroadcast, ioaddr + EL3_CMD); } +static void set_multicast_list(struct net_device *dev) +{ + struct el3_private *lp = netdev_priv(dev); + unsigned long flags; + + spin_lock_irqsave(&lp->window_lock, flags); + set_rx_mode(dev); + spin_unlock_irqrestore(&lp->window_lock, flags); +} + static int el3_close(struct net_device *dev) { unsigned int ioaddr = dev->base_addr; diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 97b170448ce..7d9fc06ceb9 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -115,7 +115,9 @@ enum mac_version { RTL_GIGA_MAC_VER_22 = 0x16, // 8168C RTL_GIGA_MAC_VER_23 = 0x17, // 8168CP RTL_GIGA_MAC_VER_24 = 0x18, // 8168CP - RTL_GIGA_MAC_VER_25 = 0x19 // 8168D + RTL_GIGA_MAC_VER_25 = 0x19, // 8168D + RTL_GIGA_MAC_VER_26 = 0x1a, // 8168D + RTL_GIGA_MAC_VER_27 = 0x1b // 8168DP }; #define _R(NAME,MAC,MASK) \ @@ -150,7 +152,9 @@ static const struct { _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_22, 0xff7e1880), // PCI-E _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_23, 0xff7e1880), // PCI-E _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_24, 0xff7e1880), // PCI-E - _R("RTL8168d/8111d", RTL_GIGA_MAC_VER_25, 0xff7e1880) // PCI-E + _R("RTL8168d/8111d", RTL_GIGA_MAC_VER_25, 0xff7e1880), // PCI-E + _R("RTL8168d/8111d", RTL_GIGA_MAC_VER_26, 0xff7e1880), // PCI-E + _R("RTL8168dp/8111dp", RTL_GIGA_MAC_VER_27, 0xff7e1880) // PCI-E }; #undef _R @@ -253,6 +257,13 @@ enum rtl8168_8101_registers { DBG_REG = 0xd1, #define FIX_NAK_1 (1 << 4) #define FIX_NAK_2 (1 << 3) + EFUSEAR = 0xdc, +#define EFUSEAR_FLAG 0x80000000 +#define EFUSEAR_WRITE_CMD 0x80000000 +#define EFUSEAR_READ_CMD 0x00000000 +#define EFUSEAR_REG_MASK 0x03ff +#define EFUSEAR_REG_SHIFT 8 +#define EFUSEAR_DATA_MASK 0xff }; enum rtl_register_content { @@ -568,6 +579,14 @@ static void mdio_patch(void __iomem *ioaddr, int reg_addr, int value) mdio_write(ioaddr, reg_addr, mdio_read(ioaddr, reg_addr) | value); } +static void mdio_plus_minus(void __iomem *ioaddr, int reg_addr, int p, int m) +{ + int val; + + val = mdio_read(ioaddr, reg_addr); + mdio_write(ioaddr, reg_addr, (val | p) & ~m); +} + static void rtl_mdio_write(struct net_device *dev, int phy_id, int location, int val) { @@ -651,6 +670,24 @@ static u32 rtl_csi_read(void __iomem *ioaddr, int addr) return value; } +static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr) +{ + u8 value = 0xff; + unsigned int i; + + RTL_W32(EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT); + + for (i = 0; i < 300; i++) { + if (RTL_R32(EFUSEAR) & EFUSEAR_FLAG) { + value = RTL_R32(EFUSEAR) & EFUSEAR_DATA_MASK; + break; + } + udelay(100); + } + + return value; +} + static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr) { RTL_W16(IntrMask, 0x0000); @@ -1243,7 +1280,10 @@ static void rtl8169_get_mac_version(struct rtl8169_private *tp, int mac_version; } mac_info[] = { /* 8168D family. */ - { 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_25 }, + { 0x7cf00000, 0x28300000, RTL_GIGA_MAC_VER_26 }, + { 0x7cf00000, 0x28100000, RTL_GIGA_MAC_VER_25 }, + { 0x7c800000, 0x28800000, RTL_GIGA_MAC_VER_27 }, + { 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_26 }, /* 8168C family. */ { 0x7cf00000, 0x3ca00000, RTL_GIGA_MAC_VER_24 }, @@ -1648,74 +1688,903 @@ static void rtl8168c_4_hw_phy_config(void __iomem *ioaddr) rtl8168c_3_hw_phy_config(ioaddr); } -static void rtl8168d_hw_phy_config(void __iomem *ioaddr) +static void rtl8168d_1_hw_phy_config(void __iomem *ioaddr) { - struct phy_reg phy_reg_init_0[] = { + static struct phy_reg phy_reg_init_0[] = { { 0x1f, 0x0001 }, - { 0x09, 0x2770 }, - { 0x08, 0x04d0 }, - { 0x0b, 0xad15 }, - { 0x0c, 0x5bf0 }, - { 0x1c, 0xf101 }, + { 0x06, 0x4064 }, + { 0x07, 0x2863 }, + { 0x08, 0x059c }, + { 0x09, 0x26b4 }, + { 0x0a, 0x6a19 }, + { 0x0b, 0xdcc8 }, + { 0x10, 0xf06d }, + { 0x14, 0x7f68 }, + { 0x18, 0x7fd9 }, + { 0x1c, 0xf0ff }, + { 0x1d, 0x3d9c }, { 0x1f, 0x0003 }, - { 0x14, 0x94d7 }, - { 0x12, 0xf4d6 }, - { 0x09, 0xca0f }, - { 0x1f, 0x0002 }, - { 0x0b, 0x0b10 }, - { 0x0c, 0xd1f7 }, - { 0x1f, 0x0002 }, - { 0x06, 0x5461 }, + { 0x12, 0xf49f }, + { 0x13, 0x070b }, + { 0x1a, 0x05ad }, + { 0x14, 0x94c0 } + }; + static struct phy_reg phy_reg_init_1[] = { { 0x1f, 0x0002 }, - { 0x05, 0x6662 }, + { 0x06, 0x5561 }, + { 0x1f, 0x0005 }, + { 0x05, 0x8332 }, + { 0x06, 0x5561 } + }; + static struct phy_reg phy_reg_init_2[] = { + { 0x1f, 0x0005 }, + { 0x05, 0xffc2 }, + { 0x1f, 0x0005 }, + { 0x05, 0x8000 }, + { 0x06, 0xf8f9 }, + { 0x06, 0xfaef }, + { 0x06, 0x59ee }, + { 0x06, 0xf8ea }, + { 0x06, 0x00ee }, + { 0x06, 0xf8eb }, + { 0x06, 0x00e0 }, + { 0x06, 0xf87c }, + { 0x06, 0xe1f8 }, + { 0x06, 0x7d59 }, + { 0x06, 0x0fef }, + { 0x06, 0x0139 }, + { 0x06, 0x029e }, + { 0x06, 0x06ef }, + { 0x06, 0x1039 }, + { 0x06, 0x089f }, + { 0x06, 0x2aee }, + { 0x06, 0xf8ea }, + { 0x06, 0x00ee }, + { 0x06, 0xf8eb }, + { 0x06, 0x01e0 }, + { 0x06, 0xf87c }, + { 0x06, 0xe1f8 }, + { 0x06, 0x7d58 }, + { 0x06, 0x409e }, + { 0x06, 0x0f39 }, + { 0x06, 0x46aa }, + { 0x06, 0x0bbf }, + { 0x06, 0x8290 }, + { 0x06, 0xd682 }, + { 0x06, 0x9802 }, + { 0x06, 0x014f }, + { 0x06, 0xae09 }, + { 0x06, 0xbf82 }, + { 0x06, 0x98d6 }, + { 0x06, 0x82a0 }, + { 0x06, 0x0201 }, + { 0x06, 0x4fef }, + { 0x06, 0x95fe }, + { 0x06, 0xfdfc }, + { 0x06, 0x05f8 }, + { 0x06, 0xf9fa }, + { 0x06, 0xeef8 }, + { 0x06, 0xea00 }, + { 0x06, 0xeef8 }, + { 0x06, 0xeb00 }, + { 0x06, 0xe2f8 }, + { 0x06, 0x7ce3 }, + { 0x06, 0xf87d }, + { 0x06, 0xa511 }, + { 0x06, 0x1112 }, + { 0x06, 0xd240 }, + { 0x06, 0xd644 }, + { 0x06, 0x4402 }, + { 0x06, 0x8217 }, + { 0x06, 0xd2a0 }, + { 0x06, 0xd6aa }, + { 0x06, 0xaa02 }, + { 0x06, 0x8217 }, + { 0x06, 0xae0f }, + { 0x06, 0xa544 }, + { 0x06, 0x4402 }, + { 0x06, 0xae4d }, + { 0x06, 0xa5aa }, + { 0x06, 0xaa02 }, + { 0x06, 0xae47 }, + { 0x06, 0xaf82 }, + { 0x06, 0x13ee }, + { 0x06, 0x834e }, + { 0x06, 0x00ee }, + { 0x06, 0x834d }, + { 0x06, 0x0fee }, + { 0x06, 0x834c }, + { 0x06, 0x0fee }, + { 0x06, 0x834f }, + { 0x06, 0x00ee }, + { 0x06, 0x8351 }, + { 0x06, 0x00ee }, + { 0x06, 0x834a }, + { 0x06, 0xffee }, + { 0x06, 0x834b }, + { 0x06, 0xffe0 }, + { 0x06, 0x8330 }, + { 0x06, 0xe183 }, + { 0x06, 0x3158 }, + { 0x06, 0xfee4 }, + { 0x06, 0xf88a }, + { 0x06, 0xe5f8 }, + { 0x06, 0x8be0 }, + { 0x06, 0x8332 }, + { 0x06, 0xe183 }, + { 0x06, 0x3359 }, + { 0x06, 0x0fe2 }, + { 0x06, 0x834d }, + { 0x06, 0x0c24 }, + { 0x06, 0x5af0 }, + { 0x06, 0x1e12 }, + { 0x06, 0xe4f8 }, + { 0x06, 0x8ce5 }, + { 0x06, 0xf88d }, + { 0x06, 0xaf82 }, + { 0x06, 0x13e0 }, + { 0x06, 0x834f }, + { 0x06, 0x10e4 }, + { 0x06, 0x834f }, + { 0x06, 0xe083 }, + { 0x06, 0x4e78 }, + { 0x06, 0x009f }, + { 0x06, 0x0ae0 }, + { 0x06, 0x834f }, + { 0x06, 0xa010 }, + { 0x06, 0xa5ee }, + { 0x06, 0x834e }, + { 0x06, 0x01e0 }, + { 0x06, 0x834e }, + { 0x06, 0x7805 }, + { 0x06, 0x9e9a }, + { 0x06, 0xe083 }, + { 0x06, 0x4e78 }, + { 0x06, 0x049e }, + { 0x06, 0x10e0 }, + { 0x06, 0x834e }, + { 0x06, 0x7803 }, + { 0x06, 0x9e0f }, + { 0x06, 0xe083 }, + { 0x06, 0x4e78 }, + { 0x06, 0x019e }, + { 0x06, 0x05ae }, + { 0x06, 0x0caf }, + { 0x06, 0x81f8 }, + { 0x06, 0xaf81 }, + { 0x06, 0xa3af }, + { 0x06, 0x81dc }, + { 0x06, 0xaf82 }, + { 0x06, 0x13ee }, + { 0x06, 0x8348 }, + { 0x06, 0x00ee }, + { 0x06, 0x8349 }, + { 0x06, 0x00e0 }, + { 0x06, 0x8351 }, + { 0x06, 0x10e4 }, + { 0x06, 0x8351 }, + { 0x06, 0x5801 }, + { 0x06, 0x9fea }, + { 0x06, 0xd000 }, + { 0x06, 0xd180 }, + { 0x06, 0x1f66 }, + { 0x06, 0xe2f8 }, + { 0x06, 0xeae3 }, + { 0x06, 0xf8eb }, + { 0x06, 0x5af8 }, + { 0x06, 0x1e20 }, + { 0x06, 0xe6f8 }, + { 0x06, 0xeae5 }, + { 0x06, 0xf8eb }, + { 0x06, 0xd302 }, + { 0x06, 0xb3fe }, + { 0x06, 0xe2f8 }, + { 0x06, 0x7cef }, + { 0x06, 0x325b }, + { 0x06, 0x80e3 }, + { 0x06, 0xf87d }, + { 0x06, 0x9e03 }, + { 0x06, 0x7dff }, + { 0x06, 0xff0d }, + { 0x06, 0x581c }, + { 0x06, 0x551a }, + { 0x06, 0x6511 }, + { 0x06, 0xa190 }, + { 0x06, 0xd3e2 }, + { 0x06, 0x8348 }, + { 0x06, 0xe383 }, + { 0x06, 0x491b }, + { 0x06, 0x56ab }, + { 0x06, 0x08ef }, + { 0x06, 0x56e6 }, + { 0x06, 0x8348 }, + { 0x06, 0xe783 }, + { 0x06, 0x4910 }, + { 0x06, 0xd180 }, + { 0x06, 0x1f66 }, + { 0x06, 0xa004 }, + { 0x06, 0xb9e2 }, + { 0x06, 0x8348 }, + { 0x06, 0xe383 }, + { 0x06, 0x49ef }, + { 0x06, 0x65e2 }, + { 0x06, 0x834a }, + { 0x06, 0xe383 }, + { 0x06, 0x4b1b }, + { 0x06, 0x56aa }, + { 0x06, 0x0eef }, + { 0x06, 0x56e6 }, + { 0x06, 0x834a }, + { 0x06, 0xe783 }, + { 0x06, 0x4be2 }, + { 0x06, 0x834d }, + { 0x06, 0xe683 }, + { 0x06, 0x4ce0 }, + { 0x06, 0x834d }, + { 0x06, 0xa000 }, + { 0x06, 0x0caf }, + { 0x06, 0x81dc }, + { 0x06, 0xe083 }, + { 0x06, 0x4d10 }, + { 0x06, 0xe483 }, + { 0x06, 0x4dae }, + { 0x06, 0x0480 }, + { 0x06, 0xe483 }, + { 0x06, 0x4de0 }, + { 0x06, 0x834e }, + { 0x06, 0x7803 }, + { 0x06, 0x9e0b }, + { 0x06, 0xe083 }, + { 0x06, 0x4e78 }, + { 0x06, 0x049e }, + { 0x06, 0x04ee }, + { 0x06, 0x834e }, + { 0x06, 0x02e0 }, + { 0x06, 0x8332 }, + { 0x06, 0xe183 }, + { 0x06, 0x3359 }, + { 0x06, 0x0fe2 }, + { 0x06, 0x834d }, + { 0x06, 0x0c24 }, + { 0x06, 0x5af0 }, + { 0x06, 0x1e12 }, + { 0x06, 0xe4f8 }, + { 0x06, 0x8ce5 }, + { 0x06, 0xf88d }, + { 0x06, 0xe083 }, + { 0x06, 0x30e1 }, + { 0x06, 0x8331 }, + { 0x06, 0x6801 }, + { 0x06, 0xe4f8 }, + { 0x06, 0x8ae5 }, + { 0x06, 0xf88b }, + { 0x06, 0xae37 }, + { 0x06, 0xee83 }, + { 0x06, 0x4e03 }, + { 0x06, 0xe083 }, + { 0x06, 0x4ce1 }, + { 0x06, 0x834d }, + { 0x06, 0x1b01 }, + { 0x06, 0x9e04 }, + { 0x06, 0xaaa1 }, + { 0x06, 0xaea8 }, + { 0x06, 0xee83 }, + { 0x06, 0x4e04 }, + { 0x06, 0xee83 }, + { 0x06, 0x4f00 }, + { 0x06, 0xaeab }, + { 0x06, 0xe083 }, + { 0x06, 0x4f78 }, + { 0x06, 0x039f }, + { 0x06, 0x14ee }, + { 0x06, 0x834e }, + { 0x06, 0x05d2 }, + { 0x06, 0x40d6 }, + { 0x06, 0x5554 }, + { 0x06, 0x0282 }, + { 0x06, 0x17d2 }, + { 0x06, 0xa0d6 }, + { 0x06, 0xba00 }, + { 0x06, 0x0282 }, + { 0x06, 0x17fe }, + { 0x06, 0xfdfc }, + { 0x06, 0x05f8 }, + { 0x06, 0xe0f8 }, + { 0x06, 0x60e1 }, + { 0x06, 0xf861 }, + { 0x06, 0x6802 }, + { 0x06, 0xe4f8 }, + { 0x06, 0x60e5 }, + { 0x06, 0xf861 }, + { 0x06, 0xe0f8 }, + { 0x06, 0x48e1 }, + { 0x06, 0xf849 }, + { 0x06, 0x580f }, + { 0x06, 0x1e02 }, + { 0x06, 0xe4f8 }, + { 0x06, 0x48e5 }, + { 0x06, 0xf849 }, + { 0x06, 0xd000 }, + { 0x06, 0x0282 }, + { 0x06, 0x5bbf }, + { 0x06, 0x8350 }, + { 0x06, 0xef46 }, + { 0x06, 0xdc19 }, + { 0x06, 0xddd0 }, + { 0x06, 0x0102 }, + { 0x06, 0x825b }, + { 0x06, 0x0282 }, + { 0x06, 0x77e0 }, + { 0x06, 0xf860 }, + { 0x06, 0xe1f8 }, + { 0x06, 0x6158 }, + { 0x06, 0xfde4 }, + { 0x06, 0xf860 }, + { 0x06, 0xe5f8 }, + { 0x06, 0x61fc }, + { 0x06, 0x04f9 }, + { 0x06, 0xfafb }, + { 0x06, 0xc6bf }, + { 0x06, 0xf840 }, + { 0x06, 0xbe83 }, + { 0x06, 0x50a0 }, + { 0x06, 0x0101 }, + { 0x06, 0x071b }, + { 0x06, 0x89cf }, + { 0x06, 0xd208 }, + { 0x06, 0xebdb }, + { 0x06, 0x19b2 }, + { 0x06, 0xfbff }, + { 0x06, 0xfefd }, + { 0x06, 0x04f8 }, + { 0x06, 0xe0f8 }, + { 0x06, 0x48e1 }, + { 0x06, 0xf849 }, + { 0x06, 0x6808 }, + { 0x06, 0xe4f8 }, + { 0x06, 0x48e5 }, + { 0x06, 0xf849 }, + { 0x06, 0x58f7 }, + { 0x06, 0xe4f8 }, + { 0x06, 0x48e5 }, + { 0x06, 0xf849 }, + { 0x06, 0xfc04 }, + { 0x06, 0x4d20 }, + { 0x06, 0x0002 }, + { 0x06, 0x4e22 }, + { 0x06, 0x0002 }, + { 0x06, 0x4ddf }, + { 0x06, 0xff01 }, + { 0x06, 0x4edd }, + { 0x06, 0xff01 }, + { 0x05, 0x83d4 }, + { 0x06, 0x8000 }, + { 0x05, 0x83d8 }, + { 0x06, 0x8051 }, + { 0x02, 0x6010 }, + { 0x03, 0xdc00 }, + { 0x05, 0xfff6 }, + { 0x06, 0x00fc }, { 0x1f, 0x0000 }, - { 0x14, 0x0060 }, + { 0x1f, 0x0000 }, - { 0x0d, 0xf8a0 }, + { 0x0d, 0xf880 }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0)); + + mdio_write(ioaddr, 0x1f, 0x0002); + mdio_plus_minus(ioaddr, 0x0b, 0x0010, 0x00ef); + mdio_plus_minus(ioaddr, 0x0c, 0xa200, 0x5d00); + + rtl_phy_write(ioaddr, phy_reg_init_1, ARRAY_SIZE(phy_reg_init_1)); + + if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) { + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x05, 0x669a }, + { 0x1f, 0x0005 }, + { 0x05, 0x8330 }, + { 0x06, 0x669a }, + { 0x1f, 0x0002 } + }; + int val; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + val = mdio_read(ioaddr, 0x0d); + + if ((val & 0x00ff) != 0x006c) { + u32 set[] = { + 0x0065, 0x0066, 0x0067, 0x0068, + 0x0069, 0x006a, 0x006b, 0x006c + }; + int i; + + mdio_write(ioaddr, 0x1f, 0x0002); + + val &= 0xff00; + for (i = 0; i < ARRAY_SIZE(set); i++) + mdio_write(ioaddr, 0x0d, val | set[i]); + } + } else { + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x05, 0x6662 }, + { 0x1f, 0x0005 }, + { 0x05, 0x8330 }, + { 0x06, 0x6662 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + } + + mdio_write(ioaddr, 0x1f, 0x0002); + mdio_patch(ioaddr, 0x0d, 0x0300); + mdio_patch(ioaddr, 0x0f, 0x0010); + + mdio_write(ioaddr, 0x1f, 0x0002); + mdio_plus_minus(ioaddr, 0x02, 0x0100, 0x0600); + mdio_plus_minus(ioaddr, 0x03, 0x0000, 0xe000); + + rtl_phy_write(ioaddr, phy_reg_init_2, ARRAY_SIZE(phy_reg_init_2)); +} + +static void rtl8168d_2_hw_phy_config(void __iomem *ioaddr) +{ + static struct phy_reg phy_reg_init_0[] = { + { 0x1f, 0x0001 }, + { 0x06, 0x4064 }, + { 0x07, 0x2863 }, + { 0x08, 0x059c }, + { 0x09, 0x26b4 }, + { 0x0a, 0x6a19 }, + { 0x0b, 0xdcc8 }, + { 0x10, 0xf06d }, + { 0x14, 0x7f68 }, + { 0x18, 0x7fd9 }, + { 0x1c, 0xf0ff }, + { 0x1d, 0x3d9c }, + { 0x1f, 0x0003 }, + { 0x12, 0xf49f }, + { 0x13, 0x070b }, + { 0x1a, 0x05ad }, + { 0x14, 0x94c0 }, + + { 0x1f, 0x0002 }, + { 0x06, 0x5561 }, + { 0x1f, 0x0005 }, + { 0x05, 0x8332 }, + { 0x06, 0x5561 } + }; + static struct phy_reg phy_reg_init_1[] = { + { 0x1f, 0x0005 }, + { 0x05, 0xffc2 }, { 0x1f, 0x0005 }, - { 0x05, 0xffc2 } + { 0x05, 0x8000 }, + { 0x06, 0xf8f9 }, + { 0x06, 0xfaee }, + { 0x06, 0xf8ea }, + { 0x06, 0x00ee }, + { 0x06, 0xf8eb }, + { 0x06, 0x00e2 }, + { 0x06, 0xf87c }, + { 0x06, 0xe3f8 }, + { 0x06, 0x7da5 }, + { 0x06, 0x1111 }, + { 0x06, 0x12d2 }, + { 0x06, 0x40d6 }, + { 0x06, 0x4444 }, + { 0x06, 0x0281 }, + { 0x06, 0xc6d2 }, + { 0x06, 0xa0d6 }, + { 0x06, 0xaaaa }, + { 0x06, 0x0281 }, + { 0x06, 0xc6ae }, + { 0x06, 0x0fa5 }, + { 0x06, 0x4444 }, + { 0x06, 0x02ae }, + { 0x06, 0x4da5 }, + { 0x06, 0xaaaa }, + { 0x06, 0x02ae }, + { 0x06, 0x47af }, + { 0x06, 0x81c2 }, + { 0x06, 0xee83 }, + { 0x06, 0x4e00 }, + { 0x06, 0xee83 }, + { 0x06, 0x4d0f }, + { 0x06, 0xee83 }, + { 0x06, 0x4c0f }, + { 0x06, 0xee83 }, + { 0x06, 0x4f00 }, + { 0x06, 0xee83 }, + { 0x06, 0x5100 }, + { 0x06, 0xee83 }, + { 0x06, 0x4aff }, + { 0x06, 0xee83 }, + { 0x06, 0x4bff }, + { 0x06, 0xe083 }, + { 0x06, 0x30e1 }, + { 0x06, 0x8331 }, + { 0x06, 0x58fe }, + { 0x06, 0xe4f8 }, + { 0x06, 0x8ae5 }, + { 0x06, 0xf88b }, + { 0x06, 0xe083 }, + { 0x06, 0x32e1 }, + { 0x06, 0x8333 }, + { 0x06, 0x590f }, + { 0x06, 0xe283 }, + { 0x06, 0x4d0c }, + { 0x06, 0x245a }, + { 0x06, 0xf01e }, + { 0x06, 0x12e4 }, + { 0x06, 0xf88c }, + { 0x06, 0xe5f8 }, + { 0x06, 0x8daf }, + { 0x06, 0x81c2 }, + { 0x06, 0xe083 }, + { 0x06, 0x4f10 }, + { 0x06, 0xe483 }, + { 0x06, 0x4fe0 }, + { 0x06, 0x834e }, + { 0x06, 0x7800 }, + { 0x06, 0x9f0a }, + { 0x06, 0xe083 }, + { 0x06, 0x4fa0 }, + { 0x06, 0x10a5 }, + { 0x06, 0xee83 }, + { 0x06, 0x4e01 }, + { 0x06, 0xe083 }, + { 0x06, 0x4e78 }, + { 0x06, 0x059e }, + { 0x06, 0x9ae0 }, + { 0x06, 0x834e }, + { 0x06, 0x7804 }, + { 0x06, 0x9e10 }, + { 0x06, 0xe083 }, + { 0x06, 0x4e78 }, + { 0x06, 0x039e }, + { 0x06, 0x0fe0 }, + { 0x06, 0x834e }, + { 0x06, 0x7801 }, + { 0x06, 0x9e05 }, + { 0x06, 0xae0c }, + { 0x06, 0xaf81 }, + { 0x06, 0xa7af }, + { 0x06, 0x8152 }, + { 0x06, 0xaf81 }, + { 0x06, 0x8baf }, + { 0x06, 0x81c2 }, + { 0x06, 0xee83 }, + { 0x06, 0x4800 }, + { 0x06, 0xee83 }, + { 0x06, 0x4900 }, + { 0x06, 0xe083 }, + { 0x06, 0x5110 }, + { 0x06, 0xe483 }, + { 0x06, 0x5158 }, + { 0x06, 0x019f }, + { 0x06, 0xead0 }, + { 0x06, 0x00d1 }, + { 0x06, 0x801f }, + { 0x06, 0x66e2 }, + { 0x06, 0xf8ea }, + { 0x06, 0xe3f8 }, + { 0x06, 0xeb5a }, + { 0x06, 0xf81e }, + { 0x06, 0x20e6 }, + { 0x06, 0xf8ea }, + { 0x06, 0xe5f8 }, + { 0x06, 0xebd3 }, + { 0x06, 0x02b3 }, + { 0x06, 0xfee2 }, + { 0x06, 0xf87c }, + { 0x06, 0xef32 }, + { 0x06, 0x5b80 }, + { 0x06, 0xe3f8 }, + { 0x06, 0x7d9e }, + { 0x06, 0x037d }, + { 0x06, 0xffff }, + { 0x06, 0x0d58 }, + { 0x06, 0x1c55 }, + { 0x06, 0x1a65 }, + { 0x06, 0x11a1 }, + { 0x06, 0x90d3 }, + { 0x06, 0xe283 }, + { 0x06, 0x48e3 }, + { 0x06, 0x8349 }, + { 0x06, 0x1b56 }, + { 0x06, 0xab08 }, + { 0x06, 0xef56 }, + { 0x06, 0xe683 }, + { 0x06, 0x48e7 }, + { 0x06, 0x8349 }, + { 0x06, 0x10d1 }, + { 0x06, 0x801f }, + { 0x06, 0x66a0 }, + { 0x06, 0x04b9 }, + { 0x06, 0xe283 }, + { 0x06, 0x48e3 }, + { 0x06, 0x8349 }, + { 0x06, 0xef65 }, + { 0x06, 0xe283 }, + { 0x06, 0x4ae3 }, + { 0x06, 0x834b }, + { 0x06, 0x1b56 }, + { 0x06, 0xaa0e }, + { 0x06, 0xef56 }, + { 0x06, 0xe683 }, + { 0x06, 0x4ae7 }, + { 0x06, 0x834b }, + { 0x06, 0xe283 }, + { 0x06, 0x4de6 }, + { 0x06, 0x834c }, + { 0x06, 0xe083 }, + { 0x06, 0x4da0 }, + { 0x06, 0x000c }, + { 0x06, 0xaf81 }, + { 0x06, 0x8be0 }, + { 0x06, 0x834d }, + { 0x06, 0x10e4 }, + { 0x06, 0x834d }, + { 0x06, 0xae04 }, + { 0x06, 0x80e4 }, + { 0x06, 0x834d }, + { 0x06, 0xe083 }, + { 0x06, 0x4e78 }, + { 0x06, 0x039e }, + { 0x06, 0x0be0 }, + { 0x06, 0x834e }, + { 0x06, 0x7804 }, + { 0x06, 0x9e04 }, + { 0x06, 0xee83 }, + { 0x06, 0x4e02 }, + { 0x06, 0xe083 }, + { 0x06, 0x32e1 }, + { 0x06, 0x8333 }, + { 0x06, 0x590f }, + { 0x06, 0xe283 }, + { 0x06, 0x4d0c }, + { 0x06, 0x245a }, + { 0x06, 0xf01e }, + { 0x06, 0x12e4 }, + { 0x06, 0xf88c }, + { 0x06, 0xe5f8 }, + { 0x06, 0x8de0 }, + { 0x06, 0x8330 }, + { 0x06, 0xe183 }, + { 0x06, 0x3168 }, + { 0x06, 0x01e4 }, + { 0x06, 0xf88a }, + { 0x06, 0xe5f8 }, + { 0x06, 0x8bae }, + { 0x06, 0x37ee }, + { 0x06, 0x834e }, + { 0x06, 0x03e0 }, + { 0x06, 0x834c }, + { 0x06, 0xe183 }, + { 0x06, 0x4d1b }, + { 0x06, 0x019e }, + { 0x06, 0x04aa }, + { 0x06, 0xa1ae }, + { 0x06, 0xa8ee }, + { 0x06, 0x834e }, + { 0x06, 0x04ee }, + { 0x06, 0x834f }, + { 0x06, 0x00ae }, + { 0x06, 0xabe0 }, + { 0x06, 0x834f }, + { 0x06, 0x7803 }, + { 0x06, 0x9f14 }, + { 0x06, 0xee83 }, + { 0x06, 0x4e05 }, + { 0x06, 0xd240 }, + { 0x06, 0xd655 }, + { 0x06, 0x5402 }, + { 0x06, 0x81c6 }, + { 0x06, 0xd2a0 }, + { 0x06, 0xd6ba }, + { 0x06, 0x0002 }, + { 0x06, 0x81c6 }, + { 0x06, 0xfefd }, + { 0x06, 0xfc05 }, + { 0x06, 0xf8e0 }, + { 0x06, 0xf860 }, + { 0x06, 0xe1f8 }, + { 0x06, 0x6168 }, + { 0x06, 0x02e4 }, + { 0x06, 0xf860 }, + { 0x06, 0xe5f8 }, + { 0x06, 0x61e0 }, + { 0x06, 0xf848 }, + { 0x06, 0xe1f8 }, + { 0x06, 0x4958 }, + { 0x06, 0x0f1e }, + { 0x06, 0x02e4 }, + { 0x06, 0xf848 }, + { 0x06, 0xe5f8 }, + { 0x06, 0x49d0 }, + { 0x06, 0x0002 }, + { 0x06, 0x820a }, + { 0x06, 0xbf83 }, + { 0x06, 0x50ef }, + { 0x06, 0x46dc }, + { 0x06, 0x19dd }, + { 0x06, 0xd001 }, + { 0x06, 0x0282 }, + { 0x06, 0x0a02 }, + { 0x06, 0x8226 }, + { 0x06, 0xe0f8 }, + { 0x06, 0x60e1 }, + { 0x06, 0xf861 }, + { 0x06, 0x58fd }, + { 0x06, 0xe4f8 }, + { 0x06, 0x60e5 }, + { 0x06, 0xf861 }, + { 0x06, 0xfc04 }, + { 0x06, 0xf9fa }, + { 0x06, 0xfbc6 }, + { 0x06, 0xbff8 }, + { 0x06, 0x40be }, + { 0x06, 0x8350 }, + { 0x06, 0xa001 }, + { 0x06, 0x0107 }, + { 0x06, 0x1b89 }, + { 0x06, 0xcfd2 }, + { 0x06, 0x08eb }, + { 0x06, 0xdb19 }, + { 0x06, 0xb2fb }, + { 0x06, 0xfffe }, + { 0x06, 0xfd04 }, + { 0x06, 0xf8e0 }, + { 0x06, 0xf848 }, + { 0x06, 0xe1f8 }, + { 0x06, 0x4968 }, + { 0x06, 0x08e4 }, + { 0x06, 0xf848 }, + { 0x06, 0xe5f8 }, + { 0x06, 0x4958 }, + { 0x06, 0xf7e4 }, + { 0x06, 0xf848 }, + { 0x06, 0xe5f8 }, + { 0x06, 0x49fc }, + { 0x06, 0x044d }, + { 0x06, 0x2000 }, + { 0x06, 0x024e }, + { 0x06, 0x2200 }, + { 0x06, 0x024d }, + { 0x06, 0xdfff }, + { 0x06, 0x014e }, + { 0x06, 0xddff }, + { 0x06, 0x0100 }, + { 0x05, 0x83d8 }, + { 0x06, 0x8000 }, + { 0x03, 0xdc00 }, + { 0x05, 0xfff6 }, + { 0x06, 0x00fc }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0000 }, + { 0x0d, 0xf880 }, + { 0x1f, 0x0000 } }; rtl_phy_write(ioaddr, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0)); - if (mdio_read(ioaddr, 0x06) == 0xc400) { - struct phy_reg phy_reg_init_1[] = { + if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) { + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x05, 0x669a }, { 0x1f, 0x0005 }, - { 0x01, 0x0300 }, - { 0x1f, 0x0000 }, - { 0x11, 0x401c }, - { 0x16, 0x4100 }, + { 0x05, 0x8330 }, + { 0x06, 0x669a }, + + { 0x1f, 0x0002 } + }; + int val; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + val = mdio_read(ioaddr, 0x0d); + if ((val & 0x00ff) != 0x006c) { + u32 set[] = { + 0x0065, 0x0066, 0x0067, 0x0068, + 0x0069, 0x006a, 0x006b, 0x006c + }; + int i; + + mdio_write(ioaddr, 0x1f, 0x0002); + + val &= 0xff00; + for (i = 0; i < ARRAY_SIZE(set); i++) + mdio_write(ioaddr, 0x0d, val | set[i]); + } + } else { + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x05, 0x2642 }, { 0x1f, 0x0005 }, - { 0x07, 0x0010 }, - { 0x05, 0x83dc }, - { 0x06, 0x087d }, - { 0x05, 0x8300 }, - { 0x06, 0x0101 }, - { 0x06, 0x05f8 }, - { 0x06, 0xf9fa }, - { 0x06, 0xfbef }, - { 0x06, 0x79e2 }, - { 0x06, 0x835f }, - { 0x06, 0xe0f8 }, - { 0x06, 0x9ae1 }, - { 0x06, 0xf89b }, - { 0x06, 0xef31 }, - { 0x06, 0x3b65 }, - { 0x06, 0xaa07 }, - { 0x06, 0x81e4 }, - { 0x06, 0xf89a }, - { 0x06, 0xe5f8 }, - { 0x06, 0x9baf }, - { 0x06, 0x06ae }, - { 0x05, 0x83dc }, - { 0x06, 0x8300 }, + { 0x05, 0x8330 }, + { 0x06, 0x2642 } }; - rtl_phy_write(ioaddr, phy_reg_init_1, - ARRAY_SIZE(phy_reg_init_1)); + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); } - mdio_write(ioaddr, 0x1f, 0x0000); + mdio_write(ioaddr, 0x1f, 0x0002); + mdio_plus_minus(ioaddr, 0x02, 0x0100, 0x0600); + mdio_plus_minus(ioaddr, 0x03, 0x0000, 0xe000); + + mdio_write(ioaddr, 0x1f, 0x0001); + mdio_write(ioaddr, 0x17, 0x0cc0); + + mdio_write(ioaddr, 0x1f, 0x0002); + mdio_patch(ioaddr, 0x0f, 0x0017); + + rtl_phy_write(ioaddr, phy_reg_init_1, ARRAY_SIZE(phy_reg_init_1)); +} + +static void rtl8168d_3_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x10, 0x0008 }, + { 0x0d, 0x006c }, + + { 0x1f, 0x0000 }, + { 0x0d, 0xf880 }, + + { 0x1f, 0x0001 }, + { 0x17, 0x0cc0 }, + + { 0x1f, 0x0001 }, + { 0x0b, 0xa4d8 }, + { 0x09, 0x281c }, + { 0x07, 0x2883 }, + { 0x0a, 0x6b35 }, + { 0x1d, 0x3da4 }, + { 0x1c, 0xeffd }, + { 0x14, 0x7f52 }, + { 0x18, 0x7fc6 }, + { 0x08, 0x0601 }, + { 0x06, 0x4063 }, + { 0x10, 0xf074 }, + { 0x1f, 0x0003 }, + { 0x13, 0x0789 }, + { 0x12, 0xf4bd }, + { 0x1a, 0x04fd }, + { 0x14, 0x84b0 }, + { 0x1f, 0x0000 }, + { 0x00, 0x9200 }, + + { 0x1f, 0x0005 }, + { 0x01, 0x0340 }, + { 0x1f, 0x0001 }, + { 0x04, 0x4000 }, + { 0x03, 0x1d21 }, + { 0x02, 0x0c32 }, + { 0x01, 0x0200 }, + { 0x00, 0x5554 }, + { 0x04, 0x4800 }, + { 0x04, 0x4000 }, + { 0x04, 0xf000 }, + { 0x03, 0xdf01 }, + { 0x02, 0xdf20 }, + { 0x01, 0x101a }, + { 0x00, 0xa0ff }, + { 0x04, 0xf800 }, + { 0x04, 0xf000 }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0007 }, + { 0x1e, 0x0023 }, + { 0x16, 0x0000 }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); } static void rtl8102e_hw_phy_config(void __iomem *ioaddr) @@ -1792,7 +2661,13 @@ static void rtl_hw_phy_config(struct net_device *dev) rtl8168cp_2_hw_phy_config(ioaddr); break; case RTL_GIGA_MAC_VER_25: - rtl8168d_hw_phy_config(ioaddr); + rtl8168d_1_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_26: + rtl8168d_2_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_27: + rtl8168d_3_hw_phy_config(ioaddr); break; default: @@ -2863,6 +3738,8 @@ static void rtl_hw_start_8168(struct net_device *dev) break; case RTL_GIGA_MAC_VER_25: + case RTL_GIGA_MAC_VER_26: + case RTL_GIGA_MAC_VER_27: rtl_hw_start_8168d(ioaddr, pdev); break; diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c index 6fdaba8674b..ed4a508ef26 100644 --- a/drivers/net/usb/pegasus.c +++ b/drivers/net/usb/pegasus.c @@ -62,8 +62,11 @@ static char *devid=NULL; static struct usb_eth_dev usb_dev_id[] = { #define PEGASUS_DEV(pn, vid, pid, flags) \ {.name = pn, .vendor = vid, .device = pid, .private = flags}, +#define PEGASUS_DEV_CLASS(pn, vid, pid, dclass, flags) \ + PEGASUS_DEV(pn, vid, pid, flags) #include "pegasus.h" #undef PEGASUS_DEV +#undef PEGASUS_DEV_CLASS {NULL, 0, 0, 0}, {NULL, 0, 0, 0} }; @@ -71,8 +74,18 @@ static struct usb_eth_dev usb_dev_id[] = { static struct usb_device_id pegasus_ids[] = { #define PEGASUS_DEV(pn, vid, pid, flags) \ {.match_flags = USB_DEVICE_ID_MATCH_DEVICE, .idVendor = vid, .idProduct = pid}, +/* + * The Belkin F8T012xx1 bluetooth adaptor has the same vendor and product + * IDs as the Belkin F5D5050, so we need to teach the pegasus driver to + * ignore adaptors belonging to the "Wireless" class 0xE0. For this one + * case anyway, seeing as the pegasus is for "Wired" adaptors. + */ +#define PEGASUS_DEV_CLASS(pn, vid, pid, dclass, flags) \ + {.match_flags = (USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_DEV_CLASS), \ + .idVendor = vid, .idProduct = pid, .bDeviceClass = dclass}, #include "pegasus.h" #undef PEGASUS_DEV +#undef PEGASUS_DEV_CLASS {}, {} }; diff --git a/drivers/net/usb/pegasus.h b/drivers/net/usb/pegasus.h index f968c834ff6..5d02f020073 100644 --- a/drivers/net/usb/pegasus.h +++ b/drivers/net/usb/pegasus.h @@ -202,7 +202,11 @@ PEGASUS_DEV( "AEI USB Fast Ethernet Adapter", VENDOR_AEILAB, 0x1701, DEFAULT_GPIO_RESET | PEGASUS_II ) PEGASUS_DEV( "Allied Telesyn Int. AT-USB100", VENDOR_ALLIEDTEL, 0xb100, DEFAULT_GPIO_RESET | PEGASUS_II ) -PEGASUS_DEV( "Belkin F5D5050 USB Ethernet", VENDOR_BELKIN, 0x0121, +/* + * Distinguish between this Belkin adaptor and the Belkin bluetooth adaptors + * with the same product IDs by checking the device class too. + */ +PEGASUS_DEV_CLASS( "Belkin F5D5050 USB Ethernet", VENDOR_BELKIN, 0x0121, 0x00, DEFAULT_GPIO_RESET | PEGASUS_II ) PEGASUS_DEV( "Billionton USB-100", VENDOR_BILLIONTON, 0x0986, DEFAULT_GPIO_RESET ) diff --git a/drivers/net/vmxnet3/Makefile b/drivers/net/vmxnet3/Makefile new file mode 100644 index 00000000000..880f5098eac --- /dev/null +++ b/drivers/net/vmxnet3/Makefile @@ -0,0 +1,35 @@ +################################################################################ +# +# Linux driver for VMware's vmxnet3 ethernet NIC. +# +# Copyright (C) 2007-2009, VMware, Inc. All Rights Reserved. +# +# 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 the +# Free Software Foundation; version 2 of the License and no later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or +# NON INFRINGEMENT. See the GNU General Public License for more +# details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. +# +# The full GNU General Public License is included in this distribution in +# the file called "COPYING". +# +# Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com> +# +# +################################################################################ + +# +# Makefile for the VMware vmxnet3 ethernet NIC driver +# + +obj-$(CONFIG_VMXNET3) += vmxnet3.o + +vmxnet3-objs := vmxnet3_drv.o vmxnet3_ethtool.o diff --git a/drivers/net/vmxnet3/upt1_defs.h b/drivers/net/vmxnet3/upt1_defs.h new file mode 100644 index 00000000000..37108fb226d --- /dev/null +++ b/drivers/net/vmxnet3/upt1_defs.h @@ -0,0 +1,96 @@ +/* + * Linux driver for VMware's vmxnet3 ethernet NIC. + * + * Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved. + * + * 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 the + * Free Software Foundation; version 2 of the License and no later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * The full GNU General Public License is included in this distribution in + * the file called "COPYING". + * + * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com> + * + */ + +#ifndef _UPT1_DEFS_H +#define _UPT1_DEFS_H + +struct UPT1_TxStats { + u64 TSOPktsTxOK; /* TSO pkts post-segmentation */ + u64 TSOBytesTxOK; + u64 ucastPktsTxOK; + u64 ucastBytesTxOK; + u64 mcastPktsTxOK; + u64 mcastBytesTxOK; + u64 bcastPktsTxOK; + u64 bcastBytesTxOK; + u64 pktsTxError; + u64 pktsTxDiscard; +}; + +struct UPT1_RxStats { + u64 LROPktsRxOK; /* LRO pkts */ + u64 LROBytesRxOK; /* bytes from LRO pkts */ + /* the following counters are for pkts from the wire, i.e., pre-LRO */ + u64 ucastPktsRxOK; + u64 ucastBytesRxOK; + u64 mcastPktsRxOK; + u64 mcastBytesRxOK; + u64 bcastPktsRxOK; + u64 bcastBytesRxOK; + u64 pktsRxOutOfBuf; + u64 pktsRxError; +}; + +/* interrupt moderation level */ +enum { + UPT1_IML_NONE = 0, /* no interrupt moderation */ + UPT1_IML_HIGHEST = 7, /* least intr generated */ + UPT1_IML_ADAPTIVE = 8, /* adpative intr moderation */ +}; +/* values for UPT1_RSSConf.hashFunc */ +enum { + UPT1_RSS_HASH_TYPE_NONE = 0x0, + UPT1_RSS_HASH_TYPE_IPV4 = 0x01, + UPT1_RSS_HASH_TYPE_TCP_IPV4 = 0x02, + UPT1_RSS_HASH_TYPE_IPV6 = 0x04, + UPT1_RSS_HASH_TYPE_TCP_IPV6 = 0x08, +}; + +enum { + UPT1_RSS_HASH_FUNC_NONE = 0x0, + UPT1_RSS_HASH_FUNC_TOEPLITZ = 0x01, +}; + +#define UPT1_RSS_MAX_KEY_SIZE 40 +#define UPT1_RSS_MAX_IND_TABLE_SIZE 128 + +struct UPT1_RSSConf { + u16 hashType; + u16 hashFunc; + u16 hashKeySize; + u16 indTableSize; + u8 hashKey[UPT1_RSS_MAX_KEY_SIZE]; + u8 indTable[UPT1_RSS_MAX_IND_TABLE_SIZE]; +}; + +/* features */ +enum { + UPT1_F_RXCSUM = 0x0001, /* rx csum verification */ + UPT1_F_RSS = 0x0002, + UPT1_F_RXVLAN = 0x0004, /* VLAN tag stripping */ + UPT1_F_LRO = 0x0008, +}; +#endif diff --git a/drivers/net/vmxnet3/vmxnet3_defs.h b/drivers/net/vmxnet3/vmxnet3_defs.h new file mode 100644 index 00000000000..dc8ee4438a4 --- /dev/null +++ b/drivers/net/vmxnet3/vmxnet3_defs.h @@ -0,0 +1,535 @@ +/* + * Linux driver for VMware's vmxnet3 ethernet NIC. + * + * Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved. + * + * 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 the + * Free Software Foundation; version 2 of the License and no later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * The full GNU General Public License is included in this distribution in + * the file called "COPYING". + * + * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com> + * + */ + +#ifndef _VMXNET3_DEFS_H_ +#define _VMXNET3_DEFS_H_ + +#include "upt1_defs.h" + +/* all registers are 32 bit wide */ +/* BAR 1 */ +enum { + VMXNET3_REG_VRRS = 0x0, /* Vmxnet3 Revision Report Selection */ + VMXNET3_REG_UVRS = 0x8, /* UPT Version Report Selection */ + VMXNET3_REG_DSAL = 0x10, /* Driver Shared Address Low */ + VMXNET3_REG_DSAH = 0x18, /* Driver Shared Address High */ + VMXNET3_REG_CMD = 0x20, /* Command */ + VMXNET3_REG_MACL = 0x28, /* MAC Address Low */ + VMXNET3_REG_MACH = 0x30, /* MAC Address High */ + VMXNET3_REG_ICR = 0x38, /* Interrupt Cause Register */ + VMXNET3_REG_ECR = 0x40 /* Event Cause Register */ +}; + +/* BAR 0 */ +enum { + VMXNET3_REG_IMR = 0x0, /* Interrupt Mask Register */ + VMXNET3_REG_TXPROD = 0x600, /* Tx Producer Index */ + VMXNET3_REG_RXPROD = 0x800, /* Rx Producer Index for ring 1 */ + VMXNET3_REG_RXPROD2 = 0xA00 /* Rx Producer Index for ring 2 */ +}; + +#define VMXNET3_PT_REG_SIZE 4096 /* BAR 0 */ +#define VMXNET3_VD_REG_SIZE 4096 /* BAR 1 */ + +#define VMXNET3_REG_ALIGN 8 /* All registers are 8-byte aligned. */ +#define VMXNET3_REG_ALIGN_MASK 0x7 + +/* I/O Mapped access to registers */ +#define VMXNET3_IO_TYPE_PT 0 +#define VMXNET3_IO_TYPE_VD 1 +#define VMXNET3_IO_ADDR(type, reg) (((type) << 24) | ((reg) & 0xFFFFFF)) +#define VMXNET3_IO_TYPE(addr) ((addr) >> 24) +#define VMXNET3_IO_REG(addr) ((addr) & 0xFFFFFF) + +enum { + VMXNET3_CMD_FIRST_SET = 0xCAFE0000, + VMXNET3_CMD_ACTIVATE_DEV = VMXNET3_CMD_FIRST_SET, + VMXNET3_CMD_QUIESCE_DEV, + VMXNET3_CMD_RESET_DEV, + VMXNET3_CMD_UPDATE_RX_MODE, + VMXNET3_CMD_UPDATE_MAC_FILTERS, + VMXNET3_CMD_UPDATE_VLAN_FILTERS, + VMXNET3_CMD_UPDATE_RSSIDT, + VMXNET3_CMD_UPDATE_IML, + VMXNET3_CMD_UPDATE_PMCFG, + VMXNET3_CMD_UPDATE_FEATURE, + VMXNET3_CMD_LOAD_PLUGIN, + + VMXNET3_CMD_FIRST_GET = 0xF00D0000, + VMXNET3_CMD_GET_QUEUE_STATUS = VMXNET3_CMD_FIRST_GET, + VMXNET3_CMD_GET_STATS, + VMXNET3_CMD_GET_LINK, + VMXNET3_CMD_GET_PERM_MAC_LO, + VMXNET3_CMD_GET_PERM_MAC_HI, + VMXNET3_CMD_GET_DID_LO, + VMXNET3_CMD_GET_DID_HI, + VMXNET3_CMD_GET_DEV_EXTRA_INFO, + VMXNET3_CMD_GET_CONF_INTR +}; + +struct Vmxnet3_TxDesc { + u64 addr; + + u32 len:14; + u32 gen:1; /* generation bit */ + u32 rsvd:1; + u32 dtype:1; /* descriptor type */ + u32 ext1:1; + u32 msscof:14; /* MSS, checksum offset, flags */ + + u32 hlen:10; /* header len */ + u32 om:2; /* offload mode */ + u32 eop:1; /* End Of Packet */ + u32 cq:1; /* completion request */ + u32 ext2:1; + u32 ti:1; /* VLAN Tag Insertion */ + u32 tci:16; /* Tag to Insert */ +}; + +/* TxDesc.OM values */ +#define VMXNET3_OM_NONE 0 +#define VMXNET3_OM_CSUM 2 +#define VMXNET3_OM_TSO 3 + +/* fields in TxDesc we access w/o using bit fields */ +#define VMXNET3_TXD_EOP_SHIFT 12 +#define VMXNET3_TXD_CQ_SHIFT 13 +#define VMXNET3_TXD_GEN_SHIFT 14 + +#define VMXNET3_TXD_CQ (1 << VMXNET3_TXD_CQ_SHIFT) +#define VMXNET3_TXD_EOP (1 << VMXNET3_TXD_EOP_SHIFT) +#define VMXNET3_TXD_GEN (1 << VMXNET3_TXD_GEN_SHIFT) + +#define VMXNET3_HDR_COPY_SIZE 128 + + +struct Vmxnet3_TxDataDesc { + u8 data[VMXNET3_HDR_COPY_SIZE]; +}; + + +struct Vmxnet3_TxCompDesc { + u32 txdIdx:12; /* Index of the EOP TxDesc */ + u32 ext1:20; + + u32 ext2; + u32 ext3; + + u32 rsvd:24; + u32 type:7; /* completion type */ + u32 gen:1; /* generation bit */ +}; + + +struct Vmxnet3_RxDesc { + u64 addr; + + u32 len:14; + u32 btype:1; /* Buffer Type */ + u32 dtype:1; /* Descriptor type */ + u32 rsvd:15; + u32 gen:1; /* Generation bit */ + + u32 ext1; +}; + +/* values of RXD.BTYPE */ +#define VMXNET3_RXD_BTYPE_HEAD 0 /* head only */ +#define VMXNET3_RXD_BTYPE_BODY 1 /* body only */ + +/* fields in RxDesc we access w/o using bit fields */ +#define VMXNET3_RXD_BTYPE_SHIFT 14 +#define VMXNET3_RXD_GEN_SHIFT 31 + + +struct Vmxnet3_RxCompDesc { + u32 rxdIdx:12; /* Index of the RxDesc */ + u32 ext1:2; + u32 eop:1; /* End of Packet */ + u32 sop:1; /* Start of Packet */ + u32 rqID:10; /* rx queue/ring ID */ + u32 rssType:4; /* RSS hash type used */ + u32 cnc:1; /* Checksum Not Calculated */ + u32 ext2:1; + + u32 rssHash; /* RSS hash value */ + + u32 len:14; /* data length */ + u32 err:1; /* Error */ + u32 ts:1; /* Tag is stripped */ + u32 tci:16; /* Tag stripped */ + + u32 csum:16; + u32 tuc:1; /* TCP/UDP Checksum Correct */ + u32 udp:1; /* UDP packet */ + u32 tcp:1; /* TCP packet */ + u32 ipc:1; /* IP Checksum Correct */ + u32 v6:1; /* IPv6 */ + u32 v4:1; /* IPv4 */ + u32 frg:1; /* IP Fragment */ + u32 fcs:1; /* Frame CRC correct */ + u32 type:7; /* completion type */ + u32 gen:1; /* generation bit */ +}; + +/* fields in RxCompDesc we access via Vmxnet3_GenericDesc.dword[3] */ +#define VMXNET3_RCD_TUC_SHIFT 16 +#define VMXNET3_RCD_IPC_SHIFT 19 + +/* fields in RxCompDesc we access via Vmxnet3_GenericDesc.qword[1] */ +#define VMXNET3_RCD_TYPE_SHIFT 56 +#define VMXNET3_RCD_GEN_SHIFT 63 + +/* csum OK for TCP/UDP pkts over IP */ +#define VMXNET3_RCD_CSUM_OK (1 << VMXNET3_RCD_TUC_SHIFT | \ + 1 << VMXNET3_RCD_IPC_SHIFT) + +/* value of RxCompDesc.rssType */ +enum { + VMXNET3_RCD_RSS_TYPE_NONE = 0, + VMXNET3_RCD_RSS_TYPE_IPV4 = 1, + VMXNET3_RCD_RSS_TYPE_TCPIPV4 = 2, + VMXNET3_RCD_RSS_TYPE_IPV6 = 3, + VMXNET3_RCD_RSS_TYPE_TCPIPV6 = 4, +}; + + +/* a union for accessing all cmd/completion descriptors */ +union Vmxnet3_GenericDesc { + u64 qword[2]; + u32 dword[4]; + u16 word[8]; + struct Vmxnet3_TxDesc txd; + struct Vmxnet3_RxDesc rxd; + struct Vmxnet3_TxCompDesc tcd; + struct Vmxnet3_RxCompDesc rcd; +}; + +#define VMXNET3_INIT_GEN 1 + +/* Max size of a single tx buffer */ +#define VMXNET3_MAX_TX_BUF_SIZE (1 << 14) + +/* # of tx desc needed for a tx buffer size */ +#define VMXNET3_TXD_NEEDED(size) (((size) + VMXNET3_MAX_TX_BUF_SIZE - 1) / \ + VMXNET3_MAX_TX_BUF_SIZE) + +/* max # of tx descs for a non-tso pkt */ +#define VMXNET3_MAX_TXD_PER_PKT 16 + +/* Max size of a single rx buffer */ +#define VMXNET3_MAX_RX_BUF_SIZE ((1 << 14) - 1) +/* Minimum size of a type 0 buffer */ +#define VMXNET3_MIN_T0_BUF_SIZE 128 +#define VMXNET3_MAX_CSUM_OFFSET 1024 + +/* Ring base address alignment */ +#define VMXNET3_RING_BA_ALIGN 512 +#define VMXNET3_RING_BA_MASK (VMXNET3_RING_BA_ALIGN - 1) + +/* Ring size must be a multiple of 32 */ +#define VMXNET3_RING_SIZE_ALIGN 32 +#define VMXNET3_RING_SIZE_MASK (VMXNET3_RING_SIZE_ALIGN - 1) + +/* Max ring size */ +#define VMXNET3_TX_RING_MAX_SIZE 4096 +#define VMXNET3_TC_RING_MAX_SIZE 4096 +#define VMXNET3_RX_RING_MAX_SIZE 4096 +#define VMXNET3_RC_RING_MAX_SIZE 8192 + +/* a list of reasons for queue stop */ + +enum { + VMXNET3_ERR_NOEOP = 0x80000000, /* cannot find the EOP desc of a pkt */ + VMXNET3_ERR_TXD_REUSE = 0x80000001, /* reuse TxDesc before tx completion */ + VMXNET3_ERR_BIG_PKT = 0x80000002, /* too many TxDesc for a pkt */ + VMXNET3_ERR_DESC_NOT_SPT = 0x80000003, /* descriptor type not supported */ + VMXNET3_ERR_SMALL_BUF = 0x80000004, /* type 0 buffer too small */ + VMXNET3_ERR_STRESS = 0x80000005, /* stress option firing in vmkernel */ + VMXNET3_ERR_SWITCH = 0x80000006, /* mode switch failure */ + VMXNET3_ERR_TXD_INVALID = 0x80000007, /* invalid TxDesc */ +}; + +/* completion descriptor types */ +#define VMXNET3_CDTYPE_TXCOMP 0 /* Tx Completion Descriptor */ +#define VMXNET3_CDTYPE_RXCOMP 3 /* Rx Completion Descriptor */ + +enum { + VMXNET3_GOS_BITS_UNK = 0, /* unknown */ + VMXNET3_GOS_BITS_32 = 1, + VMXNET3_GOS_BITS_64 = 2, +}; + +#define VMXNET3_GOS_TYPE_LINUX 1 + + +struct Vmxnet3_GOSInfo { + u32 gosBits:2; /* 32-bit or 64-bit? */ + u32 gosType:4; /* which guest */ + u32 gosVer:16; /* gos version */ + u32 gosMisc:10; /* other info about gos */ +}; + + +struct Vmxnet3_DriverInfo { + u32 version; + struct Vmxnet3_GOSInfo gos; + u32 vmxnet3RevSpt; + u32 uptVerSpt; +}; + + +#define VMXNET3_REV1_MAGIC 0xbabefee1 + +/* + * QueueDescPA must be 128 bytes aligned. It points to an array of + * Vmxnet3_TxQueueDesc followed by an array of Vmxnet3_RxQueueDesc. + * The number of Vmxnet3_TxQueueDesc/Vmxnet3_RxQueueDesc are specified by + * Vmxnet3_MiscConf.numTxQueues/numRxQueues, respectively. + */ +#define VMXNET3_QUEUE_DESC_ALIGN 128 + + +struct Vmxnet3_MiscConf { + struct Vmxnet3_DriverInfo driverInfo; + u64 uptFeatures; + u64 ddPA; /* driver data PA */ + u64 queueDescPA; /* queue descriptor table PA */ + u32 ddLen; /* driver data len */ + u32 queueDescLen; /* queue desc. table len in bytes */ + u32 mtu; + u16 maxNumRxSG; + u8 numTxQueues; + u8 numRxQueues; + u32 reserved[4]; +}; + + +struct Vmxnet3_TxQueueConf { + u64 txRingBasePA; + u64 dataRingBasePA; + u64 compRingBasePA; + u64 ddPA; /* driver data */ + u64 reserved; + u32 txRingSize; /* # of tx desc */ + u32 dataRingSize; /* # of data desc */ + u32 compRingSize; /* # of comp desc */ + u32 ddLen; /* size of driver data */ + u8 intrIdx; + u8 _pad[7]; +}; + + +struct Vmxnet3_RxQueueConf { + u64 rxRingBasePA[2]; + u64 compRingBasePA; + u64 ddPA; /* driver data */ + u64 reserved; + u32 rxRingSize[2]; /* # of rx desc */ + u32 compRingSize; /* # of rx comp desc */ + u32 ddLen; /* size of driver data */ + u8 intrIdx; + u8 _pad[7]; +}; + + +enum vmxnet3_intr_mask_mode { + VMXNET3_IMM_AUTO = 0, + VMXNET3_IMM_ACTIVE = 1, + VMXNET3_IMM_LAZY = 2 +}; + +enum vmxnet3_intr_type { + VMXNET3_IT_AUTO = 0, + VMXNET3_IT_INTX = 1, + VMXNET3_IT_MSI = 2, + VMXNET3_IT_MSIX = 3 +}; + +#define VMXNET3_MAX_TX_QUEUES 8 +#define VMXNET3_MAX_RX_QUEUES 16 +/* addition 1 for events */ +#define VMXNET3_MAX_INTRS 25 + + +struct Vmxnet3_IntrConf { + bool autoMask; + u8 numIntrs; /* # of interrupts */ + u8 eventIntrIdx; + u8 modLevels[VMXNET3_MAX_INTRS]; /* moderation level for + * each intr */ + u32 reserved[3]; +}; + +/* one bit per VLAN ID, the size is in the units of u32 */ +#define VMXNET3_VFT_SIZE (4096 / (sizeof(u32) * 8)) + + +struct Vmxnet3_QueueStatus { + bool stopped; + u8 _pad[3]; + u32 error; +}; + + +struct Vmxnet3_TxQueueCtrl { + u32 txNumDeferred; + u32 txThreshold; + u64 reserved; +}; + + +struct Vmxnet3_RxQueueCtrl { + bool updateRxProd; + u8 _pad[7]; + u64 reserved; +}; + +enum { + VMXNET3_RXM_UCAST = 0x01, /* unicast only */ + VMXNET3_RXM_MCAST = 0x02, /* multicast passing the filters */ + VMXNET3_RXM_BCAST = 0x04, /* broadcast only */ + VMXNET3_RXM_ALL_MULTI = 0x08, /* all multicast */ + VMXNET3_RXM_PROMISC = 0x10 /* promiscuous */ +}; + +struct Vmxnet3_RxFilterConf { + u32 rxMode; /* VMXNET3_RXM_xxx */ + u16 mfTableLen; /* size of the multicast filter table */ + u16 _pad1; + u64 mfTablePA; /* PA of the multicast filters table */ + u32 vfTable[VMXNET3_VFT_SIZE]; /* vlan filter */ +}; + + +#define VMXNET3_PM_MAX_FILTERS 6 +#define VMXNET3_PM_MAX_PATTERN_SIZE 128 +#define VMXNET3_PM_MAX_MASK_SIZE (VMXNET3_PM_MAX_PATTERN_SIZE / 8) + +#define VMXNET3_PM_WAKEUP_MAGIC 0x01 /* wake up on magic pkts */ +#define VMXNET3_PM_WAKEUP_FILTER 0x02 /* wake up on pkts matching + * filters */ + + +struct Vmxnet3_PM_PktFilter { + u8 maskSize; + u8 patternSize; + u8 mask[VMXNET3_PM_MAX_MASK_SIZE]; + u8 pattern[VMXNET3_PM_MAX_PATTERN_SIZE]; + u8 pad[6]; +}; + + +struct Vmxnet3_PMConf { + u16 wakeUpEvents; /* VMXNET3_PM_WAKEUP_xxx */ + u8 numFilters; + u8 pad[5]; + struct Vmxnet3_PM_PktFilter filters[VMXNET3_PM_MAX_FILTERS]; +}; + + +struct Vmxnet3_VariableLenConfDesc { + u32 confVer; + u32 confLen; + u64 confPA; +}; + + +struct Vmxnet3_TxQueueDesc { + struct Vmxnet3_TxQueueCtrl ctrl; + struct Vmxnet3_TxQueueConf conf; + + /* Driver read after a GET command */ + struct Vmxnet3_QueueStatus status; + struct UPT1_TxStats stats; + u8 _pad[88]; /* 128 aligned */ +}; + + +struct Vmxnet3_RxQueueDesc { + struct Vmxnet3_RxQueueCtrl ctrl; + struct Vmxnet3_RxQueueConf conf; + /* Driver read after a GET commad */ + struct Vmxnet3_QueueStatus status; + struct UPT1_RxStats stats; + u8 __pad[88]; /* 128 aligned */ +}; + + +struct Vmxnet3_DSDevRead { + /* read-only region for device, read by dev in response to a SET cmd */ + struct Vmxnet3_MiscConf misc; + struct Vmxnet3_IntrConf intrConf; + struct Vmxnet3_RxFilterConf rxFilterConf; + struct Vmxnet3_VariableLenConfDesc rssConfDesc; + struct Vmxnet3_VariableLenConfDesc pmConfDesc; + struct Vmxnet3_VariableLenConfDesc pluginConfDesc; +}; + +/* All structures in DriverShared are padded to multiples of 8 bytes */ +struct Vmxnet3_DriverShared { + u32 magic; + /* make devRead start at 64bit boundaries */ + u32 pad; + struct Vmxnet3_DSDevRead devRead; + u32 ecr; + u32 reserved[5]; +}; + + +#define VMXNET3_ECR_RQERR (1 << 0) +#define VMXNET3_ECR_TQERR (1 << 1) +#define VMXNET3_ECR_LINK (1 << 2) +#define VMXNET3_ECR_DIC (1 << 3) +#define VMXNET3_ECR_DEBUG (1 << 4) + +/* flip the gen bit of a ring */ +#define VMXNET3_FLIP_RING_GEN(gen) ((gen) = (gen) ^ 0x1) + +/* only use this if moving the idx won't affect the gen bit */ +#define VMXNET3_INC_RING_IDX_ONLY(idx, ring_size) \ + do {\ + (idx)++;\ + if (unlikely((idx) == (ring_size))) {\ + (idx) = 0;\ + } \ + } while (0) + +#define VMXNET3_SET_VFTABLE_ENTRY(vfTable, vid) \ + (vfTable[vid >> 5] |= (1 << (vid & 31))) +#define VMXNET3_CLEAR_VFTABLE_ENTRY(vfTable, vid) \ + (vfTable[vid >> 5] &= ~(1 << (vid & 31))) + +#define VMXNET3_VFTABLE_ENTRY_IS_SET(vfTable, vid) \ + ((vfTable[vid >> 5] & (1 << (vid & 31))) != 0) + +#define VMXNET3_MAX_MTU 9000 +#define VMXNET3_MIN_MTU 60 + +#define VMXNET3_LINK_UP (10000 << 16 | 1) /* 10 Gbps, up */ +#define VMXNET3_LINK_DOWN 0 + +#endif /* _VMXNET3_DEFS_H_ */ diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c new file mode 100644 index 00000000000..44fb0c5a280 --- /dev/null +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -0,0 +1,2556 @@ +/* + * Linux driver for VMware's vmxnet3 ethernet NIC. + * + * Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved. + * + * 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 the + * Free Software Foundation; version 2 of the License and no later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * The full GNU General Public License is included in this distribution in + * the file called "COPYING". + * + * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com> + * + */ + +#include "vmxnet3_int.h" + +char vmxnet3_driver_name[] = "vmxnet3"; +#define VMXNET3_DRIVER_DESC "VMware vmxnet3 virtual NIC driver" + + +/* + * PCI Device ID Table + * Last entry must be all 0s + */ +static const struct pci_device_id vmxnet3_pciid_table[] = { + {PCI_VDEVICE(VMWARE, PCI_DEVICE_ID_VMWARE_VMXNET3)}, + {0} +}; + +MODULE_DEVICE_TABLE(pci, vmxnet3_pciid_table); + +static atomic_t devices_found; + + +/* + * Enable/Disable the given intr + */ +static void +vmxnet3_enable_intr(struct vmxnet3_adapter *adapter, unsigned intr_idx) +{ + VMXNET3_WRITE_BAR0_REG(adapter, VMXNET3_REG_IMR + intr_idx * 8, 0); +} + + +static void +vmxnet3_disable_intr(struct vmxnet3_adapter *adapter, unsigned intr_idx) +{ + VMXNET3_WRITE_BAR0_REG(adapter, VMXNET3_REG_IMR + intr_idx * 8, 1); +} + + +/* + * Enable/Disable all intrs used by the device + */ +static void +vmxnet3_enable_all_intrs(struct vmxnet3_adapter *adapter) +{ + int i; + + for (i = 0; i < adapter->intr.num_intrs; i++) + vmxnet3_enable_intr(adapter, i); +} + + +static void +vmxnet3_disable_all_intrs(struct vmxnet3_adapter *adapter) +{ + int i; + + for (i = 0; i < adapter->intr.num_intrs; i++) + vmxnet3_disable_intr(adapter, i); +} + + +static void +vmxnet3_ack_events(struct vmxnet3_adapter *adapter, u32 events) +{ + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_ECR, events); +} + + +static bool +vmxnet3_tq_stopped(struct vmxnet3_tx_queue *tq, struct vmxnet3_adapter *adapter) +{ + return netif_queue_stopped(adapter->netdev); +} + + +static void +vmxnet3_tq_start(struct vmxnet3_tx_queue *tq, struct vmxnet3_adapter *adapter) +{ + tq->stopped = false; + netif_start_queue(adapter->netdev); +} + + +static void +vmxnet3_tq_wake(struct vmxnet3_tx_queue *tq, struct vmxnet3_adapter *adapter) +{ + tq->stopped = false; + netif_wake_queue(adapter->netdev); +} + + +static void +vmxnet3_tq_stop(struct vmxnet3_tx_queue *tq, struct vmxnet3_adapter *adapter) +{ + tq->stopped = true; + tq->num_stop++; + netif_stop_queue(adapter->netdev); +} + + +/* + * Check the link state. This may start or stop the tx queue. + */ +static void +vmxnet3_check_link(struct vmxnet3_adapter *adapter) +{ + u32 ret; + + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_LINK); + ret = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD); + adapter->link_speed = ret >> 16; + if (ret & 1) { /* Link is up. */ + printk(KERN_INFO "%s: NIC Link is Up %d Mbps\n", + adapter->netdev->name, adapter->link_speed); + if (!netif_carrier_ok(adapter->netdev)) + netif_carrier_on(adapter->netdev); + + vmxnet3_tq_start(&adapter->tx_queue, adapter); + } else { + printk(KERN_INFO "%s: NIC Link is Down\n", + adapter->netdev->name); + if (netif_carrier_ok(adapter->netdev)) + netif_carrier_off(adapter->netdev); + + vmxnet3_tq_stop(&adapter->tx_queue, adapter); + } +} + + +static void +vmxnet3_process_events(struct vmxnet3_adapter *adapter) +{ + u32 events = adapter->shared->ecr; + if (!events) + return; + + vmxnet3_ack_events(adapter, events); + + /* Check if link state has changed */ + if (events & VMXNET3_ECR_LINK) + vmxnet3_check_link(adapter); + + /* Check if there is an error on xmit/recv queues */ + if (events & (VMXNET3_ECR_TQERR | VMXNET3_ECR_RQERR)) { + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, + VMXNET3_CMD_GET_QUEUE_STATUS); + + if (adapter->tqd_start->status.stopped) { + printk(KERN_ERR "%s: tq error 0x%x\n", + adapter->netdev->name, + adapter->tqd_start->status.error); + } + if (adapter->rqd_start->status.stopped) { + printk(KERN_ERR "%s: rq error 0x%x\n", + adapter->netdev->name, + adapter->rqd_start->status.error); + } + + schedule_work(&adapter->work); + } +} + + +static void +vmxnet3_unmap_tx_buf(struct vmxnet3_tx_buf_info *tbi, + struct pci_dev *pdev) +{ + if (tbi->map_type == VMXNET3_MAP_SINGLE) + pci_unmap_single(pdev, tbi->dma_addr, tbi->len, + PCI_DMA_TODEVICE); + else if (tbi->map_type == VMXNET3_MAP_PAGE) + pci_unmap_page(pdev, tbi->dma_addr, tbi->len, + PCI_DMA_TODEVICE); + else + BUG_ON(tbi->map_type != VMXNET3_MAP_NONE); + + tbi->map_type = VMXNET3_MAP_NONE; /* to help debugging */ +} + + +static int +vmxnet3_unmap_pkt(u32 eop_idx, struct vmxnet3_tx_queue *tq, + struct pci_dev *pdev, struct vmxnet3_adapter *adapter) +{ + struct sk_buff *skb; + int entries = 0; + + /* no out of order completion */ + BUG_ON(tq->buf_info[eop_idx].sop_idx != tq->tx_ring.next2comp); + BUG_ON(tq->tx_ring.base[eop_idx].txd.eop != 1); + + skb = tq->buf_info[eop_idx].skb; + BUG_ON(skb == NULL); + tq->buf_info[eop_idx].skb = NULL; + + VMXNET3_INC_RING_IDX_ONLY(eop_idx, tq->tx_ring.size); + + while (tq->tx_ring.next2comp != eop_idx) { + vmxnet3_unmap_tx_buf(tq->buf_info + tq->tx_ring.next2comp, + pdev); + + /* update next2comp w/o tx_lock. Since we are marking more, + * instead of less, tx ring entries avail, the worst case is + * that the tx routine incorrectly re-queues a pkt due to + * insufficient tx ring entries. + */ + vmxnet3_cmd_ring_adv_next2comp(&tq->tx_ring); + entries++; + } + + dev_kfree_skb_any(skb); + return entries; +} + + +static int +vmxnet3_tq_tx_complete(struct vmxnet3_tx_queue *tq, + struct vmxnet3_adapter *adapter) +{ + int completed = 0; + union Vmxnet3_GenericDesc *gdesc; + + gdesc = tq->comp_ring.base + tq->comp_ring.next2proc; + while (gdesc->tcd.gen == tq->comp_ring.gen) { + completed += vmxnet3_unmap_pkt(gdesc->tcd.txdIdx, tq, + adapter->pdev, adapter); + + vmxnet3_comp_ring_adv_next2proc(&tq->comp_ring); + gdesc = tq->comp_ring.base + tq->comp_ring.next2proc; + } + + if (completed) { + spin_lock(&tq->tx_lock); + if (unlikely(vmxnet3_tq_stopped(tq, adapter) && + vmxnet3_cmd_ring_desc_avail(&tq->tx_ring) > + VMXNET3_WAKE_QUEUE_THRESHOLD(tq) && + netif_carrier_ok(adapter->netdev))) { + vmxnet3_tq_wake(tq, adapter); + } + spin_unlock(&tq->tx_lock); + } + return completed; +} + + +static void +vmxnet3_tq_cleanup(struct vmxnet3_tx_queue *tq, + struct vmxnet3_adapter *adapter) +{ + int i; + + while (tq->tx_ring.next2comp != tq->tx_ring.next2fill) { + struct vmxnet3_tx_buf_info *tbi; + union Vmxnet3_GenericDesc *gdesc; + + tbi = tq->buf_info + tq->tx_ring.next2comp; + gdesc = tq->tx_ring.base + tq->tx_ring.next2comp; + + vmxnet3_unmap_tx_buf(tbi, adapter->pdev); + if (tbi->skb) { + dev_kfree_skb_any(tbi->skb); + tbi->skb = NULL; + } + vmxnet3_cmd_ring_adv_next2comp(&tq->tx_ring); + } + + /* sanity check, verify all buffers are indeed unmapped and freed */ + for (i = 0; i < tq->tx_ring.size; i++) { + BUG_ON(tq->buf_info[i].skb != NULL || + tq->buf_info[i].map_type != VMXNET3_MAP_NONE); + } + + tq->tx_ring.gen = VMXNET3_INIT_GEN; + tq->tx_ring.next2fill = tq->tx_ring.next2comp = 0; + + tq->comp_ring.gen = VMXNET3_INIT_GEN; + tq->comp_ring.next2proc = 0; +} + + +void +vmxnet3_tq_destroy(struct vmxnet3_tx_queue *tq, + struct vmxnet3_adapter *adapter) +{ + if (tq->tx_ring.base) { + pci_free_consistent(adapter->pdev, tq->tx_ring.size * + sizeof(struct Vmxnet3_TxDesc), + tq->tx_ring.base, tq->tx_ring.basePA); + tq->tx_ring.base = NULL; + } + if (tq->data_ring.base) { + pci_free_consistent(adapter->pdev, tq->data_ring.size * + sizeof(struct Vmxnet3_TxDataDesc), + tq->data_ring.base, tq->data_ring.basePA); + tq->data_ring.base = NULL; + } + if (tq->comp_ring.base) { + pci_free_consistent(adapter->pdev, tq->comp_ring.size * + sizeof(struct Vmxnet3_TxCompDesc), + tq->comp_ring.base, tq->comp_ring.basePA); + tq->comp_ring.base = NULL; + } + kfree(tq->buf_info); + tq->buf_info = NULL; +} + + +static void +vmxnet3_tq_init(struct vmxnet3_tx_queue *tq, + struct vmxnet3_adapter *adapter) +{ + int i; + + /* reset the tx ring contents to 0 and reset the tx ring states */ + memset(tq->tx_ring.base, 0, tq->tx_ring.size * + sizeof(struct Vmxnet3_TxDesc)); + tq->tx_ring.next2fill = tq->tx_ring.next2comp = 0; + tq->tx_ring.gen = VMXNET3_INIT_GEN; + + memset(tq->data_ring.base, 0, tq->data_ring.size * + sizeof(struct Vmxnet3_TxDataDesc)); + + /* reset the tx comp ring contents to 0 and reset comp ring states */ + memset(tq->comp_ring.base, 0, tq->comp_ring.size * + sizeof(struct Vmxnet3_TxCompDesc)); + tq->comp_ring.next2proc = 0; + tq->comp_ring.gen = VMXNET3_INIT_GEN; + + /* reset the bookkeeping data */ + memset(tq->buf_info, 0, sizeof(tq->buf_info[0]) * tq->tx_ring.size); + for (i = 0; i < tq->tx_ring.size; i++) + tq->buf_info[i].map_type = VMXNET3_MAP_NONE; + + /* stats are not reset */ +} + + +static int +vmxnet3_tq_create(struct vmxnet3_tx_queue *tq, + struct vmxnet3_adapter *adapter) +{ + BUG_ON(tq->tx_ring.base || tq->data_ring.base || + tq->comp_ring.base || tq->buf_info); + + tq->tx_ring.base = pci_alloc_consistent(adapter->pdev, tq->tx_ring.size + * sizeof(struct Vmxnet3_TxDesc), + &tq->tx_ring.basePA); + if (!tq->tx_ring.base) { + printk(KERN_ERR "%s: failed to allocate tx ring\n", + adapter->netdev->name); + goto err; + } + + tq->data_ring.base = pci_alloc_consistent(adapter->pdev, + tq->data_ring.size * + sizeof(struct Vmxnet3_TxDataDesc), + &tq->data_ring.basePA); + if (!tq->data_ring.base) { + printk(KERN_ERR "%s: failed to allocate data ring\n", + adapter->netdev->name); + goto err; + } + + tq->comp_ring.base = pci_alloc_consistent(adapter->pdev, + tq->comp_ring.size * + sizeof(struct Vmxnet3_TxCompDesc), + &tq->comp_ring.basePA); + if (!tq->comp_ring.base) { + printk(KERN_ERR "%s: failed to allocate tx comp ring\n", + adapter->netdev->name); + goto err; + } + + tq->buf_info = kcalloc(tq->tx_ring.size, sizeof(tq->buf_info[0]), + GFP_KERNEL); + if (!tq->buf_info) { + printk(KERN_ERR "%s: failed to allocate tx bufinfo\n", + adapter->netdev->name); + goto err; + } + + return 0; + +err: + vmxnet3_tq_destroy(tq, adapter); + return -ENOMEM; +} + + +/* + * starting from ring->next2fill, allocate rx buffers for the given ring + * of the rx queue and update the rx desc. stop after @num_to_alloc buffers + * are allocated or allocation fails + */ + +static int +vmxnet3_rq_alloc_rx_buf(struct vmxnet3_rx_queue *rq, u32 ring_idx, + int num_to_alloc, struct vmxnet3_adapter *adapter) +{ + int num_allocated = 0; + struct vmxnet3_rx_buf_info *rbi_base = rq->buf_info[ring_idx]; + struct vmxnet3_cmd_ring *ring = &rq->rx_ring[ring_idx]; + u32 val; + + while (num_allocated < num_to_alloc) { + struct vmxnet3_rx_buf_info *rbi; + union Vmxnet3_GenericDesc *gd; + + rbi = rbi_base + ring->next2fill; + gd = ring->base + ring->next2fill; + + if (rbi->buf_type == VMXNET3_RX_BUF_SKB) { + if (rbi->skb == NULL) { + rbi->skb = dev_alloc_skb(rbi->len + + NET_IP_ALIGN); + if (unlikely(rbi->skb == NULL)) { + rq->stats.rx_buf_alloc_failure++; + break; + } + rbi->skb->dev = adapter->netdev; + + skb_reserve(rbi->skb, NET_IP_ALIGN); + rbi->dma_addr = pci_map_single(adapter->pdev, + rbi->skb->data, rbi->len, + PCI_DMA_FROMDEVICE); + } else { + /* rx buffer skipped by the device */ + } + val = VMXNET3_RXD_BTYPE_HEAD << VMXNET3_RXD_BTYPE_SHIFT; + } else { + BUG_ON(rbi->buf_type != VMXNET3_RX_BUF_PAGE || + rbi->len != PAGE_SIZE); + + if (rbi->page == NULL) { + rbi->page = alloc_page(GFP_ATOMIC); + if (unlikely(rbi->page == NULL)) { + rq->stats.rx_buf_alloc_failure++; + break; + } + rbi->dma_addr = pci_map_page(adapter->pdev, + rbi->page, 0, PAGE_SIZE, + PCI_DMA_FROMDEVICE); + } else { + /* rx buffers skipped by the device */ + } + val = VMXNET3_RXD_BTYPE_BODY << VMXNET3_RXD_BTYPE_SHIFT; + } + + BUG_ON(rbi->dma_addr == 0); + gd->rxd.addr = rbi->dma_addr; + gd->dword[2] = (ring->gen << VMXNET3_RXD_GEN_SHIFT) | val | + rbi->len; + + num_allocated++; + vmxnet3_cmd_ring_adv_next2fill(ring); + } + rq->uncommitted[ring_idx] += num_allocated; + + dprintk(KERN_ERR "alloc_rx_buf: %d allocated, next2fill %u, next2comp " + "%u, uncommited %u\n", num_allocated, ring->next2fill, + ring->next2comp, rq->uncommitted[ring_idx]); + + /* so that the device can distinguish a full ring and an empty ring */ + BUG_ON(num_allocated != 0 && ring->next2fill == ring->next2comp); + + return num_allocated; +} + + +static void +vmxnet3_append_frag(struct sk_buff *skb, struct Vmxnet3_RxCompDesc *rcd, + struct vmxnet3_rx_buf_info *rbi) +{ + struct skb_frag_struct *frag = skb_shinfo(skb)->frags + + skb_shinfo(skb)->nr_frags; + + BUG_ON(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS); + + frag->page = rbi->page; + frag->page_offset = 0; + frag->size = rcd->len; + skb->data_len += frag->size; + skb_shinfo(skb)->nr_frags++; +} + + +static void +vmxnet3_map_pkt(struct sk_buff *skb, struct vmxnet3_tx_ctx *ctx, + struct vmxnet3_tx_queue *tq, struct pci_dev *pdev, + struct vmxnet3_adapter *adapter) +{ + u32 dw2, len; + unsigned long buf_offset; + int i; + union Vmxnet3_GenericDesc *gdesc; + struct vmxnet3_tx_buf_info *tbi = NULL; + + BUG_ON(ctx->copy_size > skb_headlen(skb)); + + /* use the previous gen bit for the SOP desc */ + dw2 = (tq->tx_ring.gen ^ 0x1) << VMXNET3_TXD_GEN_SHIFT; + + ctx->sop_txd = tq->tx_ring.base + tq->tx_ring.next2fill; + gdesc = ctx->sop_txd; /* both loops below can be skipped */ + + /* no need to map the buffer if headers are copied */ + if (ctx->copy_size) { + ctx->sop_txd->txd.addr = tq->data_ring.basePA + + tq->tx_ring.next2fill * + sizeof(struct Vmxnet3_TxDataDesc); + ctx->sop_txd->dword[2] = dw2 | ctx->copy_size; + ctx->sop_txd->dword[3] = 0; + + tbi = tq->buf_info + tq->tx_ring.next2fill; + tbi->map_type = VMXNET3_MAP_NONE; + + dprintk(KERN_ERR "txd[%u]: 0x%Lx 0x%x 0x%x\n", + tq->tx_ring.next2fill, ctx->sop_txd->txd.addr, + ctx->sop_txd->dword[2], ctx->sop_txd->dword[3]); + vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring); + + /* use the right gen for non-SOP desc */ + dw2 = tq->tx_ring.gen << VMXNET3_TXD_GEN_SHIFT; + } + + /* linear part can use multiple tx desc if it's big */ + len = skb_headlen(skb) - ctx->copy_size; + buf_offset = ctx->copy_size; + while (len) { + u32 buf_size; + + buf_size = len > VMXNET3_MAX_TX_BUF_SIZE ? + VMXNET3_MAX_TX_BUF_SIZE : len; + + tbi = tq->buf_info + tq->tx_ring.next2fill; + tbi->map_type = VMXNET3_MAP_SINGLE; + tbi->dma_addr = pci_map_single(adapter->pdev, + skb->data + buf_offset, buf_size, + PCI_DMA_TODEVICE); + + tbi->len = buf_size; /* this automatically convert 2^14 to 0 */ + + gdesc = tq->tx_ring.base + tq->tx_ring.next2fill; + BUG_ON(gdesc->txd.gen == tq->tx_ring.gen); + + gdesc->txd.addr = tbi->dma_addr; + gdesc->dword[2] = dw2 | buf_size; + gdesc->dword[3] = 0; + + dprintk(KERN_ERR "txd[%u]: 0x%Lx 0x%x 0x%x\n", + tq->tx_ring.next2fill, gdesc->txd.addr, + gdesc->dword[2], gdesc->dword[3]); + vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring); + dw2 = tq->tx_ring.gen << VMXNET3_TXD_GEN_SHIFT; + + len -= buf_size; + buf_offset += buf_size; + } + + for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { + struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i]; + + tbi = tq->buf_info + tq->tx_ring.next2fill; + tbi->map_type = VMXNET3_MAP_PAGE; + tbi->dma_addr = pci_map_page(adapter->pdev, frag->page, + frag->page_offset, frag->size, + PCI_DMA_TODEVICE); + + tbi->len = frag->size; + + gdesc = tq->tx_ring.base + tq->tx_ring.next2fill; + BUG_ON(gdesc->txd.gen == tq->tx_ring.gen); + + gdesc->txd.addr = tbi->dma_addr; + gdesc->dword[2] = dw2 | frag->size; + gdesc->dword[3] = 0; + + dprintk(KERN_ERR "txd[%u]: 0x%llu %u %u\n", + tq->tx_ring.next2fill, gdesc->txd.addr, + gdesc->dword[2], gdesc->dword[3]); + vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring); + dw2 = tq->tx_ring.gen << VMXNET3_TXD_GEN_SHIFT; + } + + ctx->eop_txd = gdesc; + + /* set the last buf_info for the pkt */ + tbi->skb = skb; + tbi->sop_idx = ctx->sop_txd - tq->tx_ring.base; +} + + +/* + * parse and copy relevant protocol headers: + * For a tso pkt, relevant headers are L2/3/4 including options + * For a pkt requesting csum offloading, they are L2/3 and may include L4 + * if it's a TCP/UDP pkt + * + * Returns: + * -1: error happens during parsing + * 0: protocol headers parsed, but too big to be copied + * 1: protocol headers parsed and copied + * + * Other effects: + * 1. related *ctx fields are updated. + * 2. ctx->copy_size is # of bytes copied + * 3. the portion copied is guaranteed to be in the linear part + * + */ +static int +vmxnet3_parse_and_copy_hdr(struct sk_buff *skb, struct vmxnet3_tx_queue *tq, + struct vmxnet3_tx_ctx *ctx, + struct vmxnet3_adapter *adapter) +{ + struct Vmxnet3_TxDataDesc *tdd; + + if (ctx->mss) { + ctx->eth_ip_hdr_size = skb_transport_offset(skb); + ctx->l4_hdr_size = ((struct tcphdr *) + skb_transport_header(skb))->doff * 4; + ctx->copy_size = ctx->eth_ip_hdr_size + ctx->l4_hdr_size; + } else { + unsigned int pull_size; + + if (skb->ip_summed == CHECKSUM_PARTIAL) { + ctx->eth_ip_hdr_size = skb_transport_offset(skb); + + if (ctx->ipv4) { + struct iphdr *iph = (struct iphdr *) + skb_network_header(skb); + if (iph->protocol == IPPROTO_TCP) { + pull_size = ctx->eth_ip_hdr_size + + sizeof(struct tcphdr); + + if (unlikely(!pskb_may_pull(skb, + pull_size))) { + goto err; + } + ctx->l4_hdr_size = ((struct tcphdr *) + skb_transport_header(skb))->doff * 4; + } else if (iph->protocol == IPPROTO_UDP) { + ctx->l4_hdr_size = + sizeof(struct udphdr); + } else { + ctx->l4_hdr_size = 0; + } + } else { + /* for simplicity, don't copy L4 headers */ + ctx->l4_hdr_size = 0; + } + ctx->copy_size = ctx->eth_ip_hdr_size + + ctx->l4_hdr_size; + } else { + ctx->eth_ip_hdr_size = 0; + ctx->l4_hdr_size = 0; + /* copy as much as allowed */ + ctx->copy_size = min((unsigned int)VMXNET3_HDR_COPY_SIZE + , skb_headlen(skb)); + } + + /* make sure headers are accessible directly */ + if (unlikely(!pskb_may_pull(skb, ctx->copy_size))) + goto err; + } + + if (unlikely(ctx->copy_size > VMXNET3_HDR_COPY_SIZE)) { + tq->stats.oversized_hdr++; + ctx->copy_size = 0; + return 0; + } + + tdd = tq->data_ring.base + tq->tx_ring.next2fill; + + memcpy(tdd->data, skb->data, ctx->copy_size); + dprintk(KERN_ERR "copy %u bytes to dataRing[%u]\n", + ctx->copy_size, tq->tx_ring.next2fill); + return 1; + +err: + return -1; +} + + +static void +vmxnet3_prepare_tso(struct sk_buff *skb, + struct vmxnet3_tx_ctx *ctx) +{ + struct tcphdr *tcph = (struct tcphdr *)skb_transport_header(skb); + if (ctx->ipv4) { + struct iphdr *iph = (struct iphdr *)skb_network_header(skb); + iph->check = 0; + tcph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr, 0, + IPPROTO_TCP, 0); + } else { + struct ipv6hdr *iph = (struct ipv6hdr *)skb_network_header(skb); + tcph->check = ~csum_ipv6_magic(&iph->saddr, &iph->daddr, 0, + IPPROTO_TCP, 0); + } +} + + +/* + * Transmits a pkt thru a given tq + * Returns: + * NETDEV_TX_OK: descriptors are setup successfully + * NETDEV_TX_OK: error occured, the pkt is dropped + * NETDEV_TX_BUSY: tx ring is full, queue is stopped + * + * Side-effects: + * 1. tx ring may be changed + * 2. tq stats may be updated accordingly + * 3. shared->txNumDeferred may be updated + */ + +static int +vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq, + struct vmxnet3_adapter *adapter, struct net_device *netdev) +{ + int ret; + u32 count; + unsigned long flags; + struct vmxnet3_tx_ctx ctx; + union Vmxnet3_GenericDesc *gdesc; + + /* conservatively estimate # of descriptors to use */ + count = VMXNET3_TXD_NEEDED(skb_headlen(skb)) + + skb_shinfo(skb)->nr_frags + 1; + + ctx.ipv4 = (skb->protocol == __constant_ntohs(ETH_P_IP)); + + ctx.mss = skb_shinfo(skb)->gso_size; + if (ctx.mss) { + if (skb_header_cloned(skb)) { + if (unlikely(pskb_expand_head(skb, 0, 0, + GFP_ATOMIC) != 0)) { + tq->stats.drop_tso++; + goto drop_pkt; + } + tq->stats.copy_skb_header++; + } + vmxnet3_prepare_tso(skb, &ctx); + } else { + if (unlikely(count > VMXNET3_MAX_TXD_PER_PKT)) { + + /* non-tso pkts must not use more than + * VMXNET3_MAX_TXD_PER_PKT entries + */ + if (skb_linearize(skb) != 0) { + tq->stats.drop_too_many_frags++; + goto drop_pkt; + } + tq->stats.linearized++; + + /* recalculate the # of descriptors to use */ + count = VMXNET3_TXD_NEEDED(skb_headlen(skb)) + 1; + } + } + + ret = vmxnet3_parse_and_copy_hdr(skb, tq, &ctx, adapter); + if (ret >= 0) { + BUG_ON(ret <= 0 && ctx.copy_size != 0); + /* hdrs parsed, check against other limits */ + if (ctx.mss) { + if (unlikely(ctx.eth_ip_hdr_size + ctx.l4_hdr_size > + VMXNET3_MAX_TX_BUF_SIZE)) { + goto hdr_too_big; + } + } else { + if (skb->ip_summed == CHECKSUM_PARTIAL) { + if (unlikely(ctx.eth_ip_hdr_size + + skb->csum_offset > + VMXNET3_MAX_CSUM_OFFSET)) { + goto hdr_too_big; + } + } + } + } else { + tq->stats.drop_hdr_inspect_err++; + goto drop_pkt; + } + + spin_lock_irqsave(&tq->tx_lock, flags); + + if (count > vmxnet3_cmd_ring_desc_avail(&tq->tx_ring)) { + tq->stats.tx_ring_full++; + dprintk(KERN_ERR "tx queue stopped on %s, next2comp %u" + " next2fill %u\n", adapter->netdev->name, + tq->tx_ring.next2comp, tq->tx_ring.next2fill); + + vmxnet3_tq_stop(tq, adapter); + spin_unlock_irqrestore(&tq->tx_lock, flags); + return NETDEV_TX_BUSY; + } + + /* fill tx descs related to addr & len */ + vmxnet3_map_pkt(skb, &ctx, tq, adapter->pdev, adapter); + + /* setup the EOP desc */ + ctx.eop_txd->dword[3] = VMXNET3_TXD_CQ | VMXNET3_TXD_EOP; + + /* setup the SOP desc */ + gdesc = ctx.sop_txd; + if (ctx.mss) { + gdesc->txd.hlen = ctx.eth_ip_hdr_size + ctx.l4_hdr_size; + gdesc->txd.om = VMXNET3_OM_TSO; + gdesc->txd.msscof = ctx.mss; + tq->shared->txNumDeferred += (skb->len - gdesc->txd.hlen + + ctx.mss - 1) / ctx.mss; + } else { + if (skb->ip_summed == CHECKSUM_PARTIAL) { + gdesc->txd.hlen = ctx.eth_ip_hdr_size; + gdesc->txd.om = VMXNET3_OM_CSUM; + gdesc->txd.msscof = ctx.eth_ip_hdr_size + + skb->csum_offset; + } else { + gdesc->txd.om = 0; + gdesc->txd.msscof = 0; + } + tq->shared->txNumDeferred++; + } + + if (vlan_tx_tag_present(skb)) { + gdesc->txd.ti = 1; + gdesc->txd.tci = vlan_tx_tag_get(skb); + } + + wmb(); + + /* finally flips the GEN bit of the SOP desc */ + gdesc->dword[2] ^= VMXNET3_TXD_GEN; + dprintk(KERN_ERR "txd[%u]: SOP 0x%Lx 0x%x 0x%x\n", + (u32)((union Vmxnet3_GenericDesc *)ctx.sop_txd - + tq->tx_ring.base), gdesc->txd.addr, gdesc->dword[2], + gdesc->dword[3]); + + spin_unlock_irqrestore(&tq->tx_lock, flags); + + if (tq->shared->txNumDeferred >= tq->shared->txThreshold) { + tq->shared->txNumDeferred = 0; + VMXNET3_WRITE_BAR0_REG(adapter, VMXNET3_REG_TXPROD, + tq->tx_ring.next2fill); + } + netdev->trans_start = jiffies; + + return NETDEV_TX_OK; + +hdr_too_big: + tq->stats.drop_oversized_hdr++; +drop_pkt: + tq->stats.drop_total++; + dev_kfree_skb(skb); + return NETDEV_TX_OK; +} + + +static netdev_tx_t +vmxnet3_xmit_frame(struct sk_buff *skb, struct net_device *netdev) +{ + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + struct vmxnet3_tx_queue *tq = &adapter->tx_queue; + + return vmxnet3_tq_xmit(skb, tq, adapter, netdev); +} + + +static void +vmxnet3_rx_csum(struct vmxnet3_adapter *adapter, + struct sk_buff *skb, + union Vmxnet3_GenericDesc *gdesc) +{ + if (!gdesc->rcd.cnc && adapter->rxcsum) { + /* typical case: TCP/UDP over IP and both csums are correct */ + if ((gdesc->dword[3] & VMXNET3_RCD_CSUM_OK) == + VMXNET3_RCD_CSUM_OK) { + skb->ip_summed = CHECKSUM_UNNECESSARY; + BUG_ON(!(gdesc->rcd.tcp || gdesc->rcd.udp)); + BUG_ON(!(gdesc->rcd.v4 || gdesc->rcd.v6)); + BUG_ON(gdesc->rcd.frg); + } else { + if (gdesc->rcd.csum) { + skb->csum = htons(gdesc->rcd.csum); + skb->ip_summed = CHECKSUM_PARTIAL; + } else { + skb->ip_summed = CHECKSUM_NONE; + } + } + } else { + skb->ip_summed = CHECKSUM_NONE; + } +} + + +static void +vmxnet3_rx_error(struct vmxnet3_rx_queue *rq, struct Vmxnet3_RxCompDesc *rcd, + struct vmxnet3_rx_ctx *ctx, struct vmxnet3_adapter *adapter) +{ + rq->stats.drop_err++; + if (!rcd->fcs) + rq->stats.drop_fcs++; + + rq->stats.drop_total++; + + /* + * We do not unmap and chain the rx buffer to the skb. + * We basically pretend this buffer is not used and will be recycled + * by vmxnet3_rq_alloc_rx_buf() + */ + + /* + * ctx->skb may be NULL if this is the first and the only one + * desc for the pkt + */ + if (ctx->skb) + dev_kfree_skb_irq(ctx->skb); + + ctx->skb = NULL; +} + + +static int +vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, + struct vmxnet3_adapter *adapter, int quota) +{ + static u32 rxprod_reg[2] = {VMXNET3_REG_RXPROD, VMXNET3_REG_RXPROD2}; + u32 num_rxd = 0; + struct Vmxnet3_RxCompDesc *rcd; + struct vmxnet3_rx_ctx *ctx = &rq->rx_ctx; + + rcd = &rq->comp_ring.base[rq->comp_ring.next2proc].rcd; + while (rcd->gen == rq->comp_ring.gen) { + struct vmxnet3_rx_buf_info *rbi; + struct sk_buff *skb; + int num_to_alloc; + struct Vmxnet3_RxDesc *rxd; + u32 idx, ring_idx; + + if (num_rxd >= quota) { + /* we may stop even before we see the EOP desc of + * the current pkt + */ + break; + } + num_rxd++; + + idx = rcd->rxdIdx; + ring_idx = rcd->rqID == rq->qid ? 0 : 1; + + rxd = &rq->rx_ring[ring_idx].base[idx].rxd; + rbi = rq->buf_info[ring_idx] + idx; + + BUG_ON(rxd->addr != rbi->dma_addr || rxd->len != rbi->len); + + if (unlikely(rcd->eop && rcd->err)) { + vmxnet3_rx_error(rq, rcd, ctx, adapter); + goto rcd_done; + } + + if (rcd->sop) { /* first buf of the pkt */ + BUG_ON(rxd->btype != VMXNET3_RXD_BTYPE_HEAD || + rcd->rqID != rq->qid); + + BUG_ON(rbi->buf_type != VMXNET3_RX_BUF_SKB); + BUG_ON(ctx->skb != NULL || rbi->skb == NULL); + + if (unlikely(rcd->len == 0)) { + /* Pretend the rx buffer is skipped. */ + BUG_ON(!(rcd->sop && rcd->eop)); + dprintk(KERN_ERR "rxRing[%u][%u] 0 length\n", + ring_idx, idx); + goto rcd_done; + } + + ctx->skb = rbi->skb; + rbi->skb = NULL; + + pci_unmap_single(adapter->pdev, rbi->dma_addr, rbi->len, + PCI_DMA_FROMDEVICE); + + skb_put(ctx->skb, rcd->len); + } else { + BUG_ON(ctx->skb == NULL); + /* non SOP buffer must be type 1 in most cases */ + if (rbi->buf_type == VMXNET3_RX_BUF_PAGE) { + BUG_ON(rxd->btype != VMXNET3_RXD_BTYPE_BODY); + + if (rcd->len) { + pci_unmap_page(adapter->pdev, + rbi->dma_addr, rbi->len, + PCI_DMA_FROMDEVICE); + + vmxnet3_append_frag(ctx->skb, rcd, rbi); + rbi->page = NULL; + } + } else { + /* + * The only time a non-SOP buffer is type 0 is + * when it's EOP and error flag is raised, which + * has already been handled. + */ + BUG_ON(true); + } + } + + skb = ctx->skb; + if (rcd->eop) { + skb->len += skb->data_len; + skb->truesize += skb->data_len; + + vmxnet3_rx_csum(adapter, skb, + (union Vmxnet3_GenericDesc *)rcd); + skb->protocol = eth_type_trans(skb, adapter->netdev); + + if (unlikely(adapter->vlan_grp && rcd->ts)) { + vlan_hwaccel_receive_skb(skb, + adapter->vlan_grp, rcd->tci); + } else { + netif_receive_skb(skb); + } + + adapter->netdev->last_rx = jiffies; + ctx->skb = NULL; + } + +rcd_done: + /* device may skip some rx descs */ + rq->rx_ring[ring_idx].next2comp = idx; + VMXNET3_INC_RING_IDX_ONLY(rq->rx_ring[ring_idx].next2comp, + rq->rx_ring[ring_idx].size); + + /* refill rx buffers frequently to avoid starving the h/w */ + num_to_alloc = vmxnet3_cmd_ring_desc_avail(rq->rx_ring + + ring_idx); + if (unlikely(num_to_alloc > VMXNET3_RX_ALLOC_THRESHOLD(rq, + ring_idx, adapter))) { + vmxnet3_rq_alloc_rx_buf(rq, ring_idx, num_to_alloc, + adapter); + + /* if needed, update the register */ + if (unlikely(rq->shared->updateRxProd)) { + VMXNET3_WRITE_BAR0_REG(adapter, + rxprod_reg[ring_idx] + rq->qid * 8, + rq->rx_ring[ring_idx].next2fill); + rq->uncommitted[ring_idx] = 0; + } + } + + vmxnet3_comp_ring_adv_next2proc(&rq->comp_ring); + rcd = &rq->comp_ring.base[rq->comp_ring.next2proc].rcd; + } + + return num_rxd; +} + + +static void +vmxnet3_rq_cleanup(struct vmxnet3_rx_queue *rq, + struct vmxnet3_adapter *adapter) +{ + u32 i, ring_idx; + struct Vmxnet3_RxDesc *rxd; + + for (ring_idx = 0; ring_idx < 2; ring_idx++) { + for (i = 0; i < rq->rx_ring[ring_idx].size; i++) { + rxd = &rq->rx_ring[ring_idx].base[i].rxd; + + if (rxd->btype == VMXNET3_RXD_BTYPE_HEAD && + rq->buf_info[ring_idx][i].skb) { + pci_unmap_single(adapter->pdev, rxd->addr, + rxd->len, PCI_DMA_FROMDEVICE); + dev_kfree_skb(rq->buf_info[ring_idx][i].skb); + rq->buf_info[ring_idx][i].skb = NULL; + } else if (rxd->btype == VMXNET3_RXD_BTYPE_BODY && + rq->buf_info[ring_idx][i].page) { + pci_unmap_page(adapter->pdev, rxd->addr, + rxd->len, PCI_DMA_FROMDEVICE); + put_page(rq->buf_info[ring_idx][i].page); + rq->buf_info[ring_idx][i].page = NULL; + } + } + + rq->rx_ring[ring_idx].gen = VMXNET3_INIT_GEN; + rq->rx_ring[ring_idx].next2fill = + rq->rx_ring[ring_idx].next2comp = 0; + rq->uncommitted[ring_idx] = 0; + } + + rq->comp_ring.gen = VMXNET3_INIT_GEN; + rq->comp_ring.next2proc = 0; +} + + +void vmxnet3_rq_destroy(struct vmxnet3_rx_queue *rq, + struct vmxnet3_adapter *adapter) +{ + int i; + int j; + + /* all rx buffers must have already been freed */ + for (i = 0; i < 2; i++) { + if (rq->buf_info[i]) { + for (j = 0; j < rq->rx_ring[i].size; j++) + BUG_ON(rq->buf_info[i][j].page != NULL); + } + } + + + kfree(rq->buf_info[0]); + + for (i = 0; i < 2; i++) { + if (rq->rx_ring[i].base) { + pci_free_consistent(adapter->pdev, rq->rx_ring[i].size + * sizeof(struct Vmxnet3_RxDesc), + rq->rx_ring[i].base, + rq->rx_ring[i].basePA); + rq->rx_ring[i].base = NULL; + } + rq->buf_info[i] = NULL; + } + + if (rq->comp_ring.base) { + pci_free_consistent(adapter->pdev, rq->comp_ring.size * + sizeof(struct Vmxnet3_RxCompDesc), + rq->comp_ring.base, rq->comp_ring.basePA); + rq->comp_ring.base = NULL; + } +} + + +static int +vmxnet3_rq_init(struct vmxnet3_rx_queue *rq, + struct vmxnet3_adapter *adapter) +{ + int i; + + /* initialize buf_info */ + for (i = 0; i < rq->rx_ring[0].size; i++) { + + /* 1st buf for a pkt is skbuff */ + if (i % adapter->rx_buf_per_pkt == 0) { + rq->buf_info[0][i].buf_type = VMXNET3_RX_BUF_SKB; + rq->buf_info[0][i].len = adapter->skb_buf_size; + } else { /* subsequent bufs for a pkt is frag */ + rq->buf_info[0][i].buf_type = VMXNET3_RX_BUF_PAGE; + rq->buf_info[0][i].len = PAGE_SIZE; + } + } + for (i = 0; i < rq->rx_ring[1].size; i++) { + rq->buf_info[1][i].buf_type = VMXNET3_RX_BUF_PAGE; + rq->buf_info[1][i].len = PAGE_SIZE; + } + + /* reset internal state and allocate buffers for both rings */ + for (i = 0; i < 2; i++) { + rq->rx_ring[i].next2fill = rq->rx_ring[i].next2comp = 0; + rq->uncommitted[i] = 0; + + memset(rq->rx_ring[i].base, 0, rq->rx_ring[i].size * + sizeof(struct Vmxnet3_RxDesc)); + rq->rx_ring[i].gen = VMXNET3_INIT_GEN; + } + if (vmxnet3_rq_alloc_rx_buf(rq, 0, rq->rx_ring[0].size - 1, + adapter) == 0) { + /* at least has 1 rx buffer for the 1st ring */ + return -ENOMEM; + } + vmxnet3_rq_alloc_rx_buf(rq, 1, rq->rx_ring[1].size - 1, adapter); + + /* reset the comp ring */ + rq->comp_ring.next2proc = 0; + memset(rq->comp_ring.base, 0, rq->comp_ring.size * + sizeof(struct Vmxnet3_RxCompDesc)); + rq->comp_ring.gen = VMXNET3_INIT_GEN; + + /* reset rxctx */ + rq->rx_ctx.skb = NULL; + + /* stats are not reset */ + return 0; +} + + +static int +vmxnet3_rq_create(struct vmxnet3_rx_queue *rq, struct vmxnet3_adapter *adapter) +{ + int i; + size_t sz; + struct vmxnet3_rx_buf_info *bi; + + for (i = 0; i < 2; i++) { + + sz = rq->rx_ring[i].size * sizeof(struct Vmxnet3_RxDesc); + rq->rx_ring[i].base = pci_alloc_consistent(adapter->pdev, sz, + &rq->rx_ring[i].basePA); + if (!rq->rx_ring[i].base) { + printk(KERN_ERR "%s: failed to allocate rx ring %d\n", + adapter->netdev->name, i); + goto err; + } + } + + sz = rq->comp_ring.size * sizeof(struct Vmxnet3_RxCompDesc); + rq->comp_ring.base = pci_alloc_consistent(adapter->pdev, sz, + &rq->comp_ring.basePA); + if (!rq->comp_ring.base) { + printk(KERN_ERR "%s: failed to allocate rx comp ring\n", + adapter->netdev->name); + goto err; + } + + sz = sizeof(struct vmxnet3_rx_buf_info) * (rq->rx_ring[0].size + + rq->rx_ring[1].size); + bi = kmalloc(sz, GFP_KERNEL); + if (!bi) { + printk(KERN_ERR "%s: failed to allocate rx bufinfo\n", + adapter->netdev->name); + goto err; + } + memset(bi, 0, sz); + rq->buf_info[0] = bi; + rq->buf_info[1] = bi + rq->rx_ring[0].size; + + return 0; + +err: + vmxnet3_rq_destroy(rq, adapter); + return -ENOMEM; +} + + +static int +vmxnet3_do_poll(struct vmxnet3_adapter *adapter, int budget) +{ + if (unlikely(adapter->shared->ecr)) + vmxnet3_process_events(adapter); + + vmxnet3_tq_tx_complete(&adapter->tx_queue, adapter); + return vmxnet3_rq_rx_complete(&adapter->rx_queue, adapter, budget); +} + + +static int +vmxnet3_poll(struct napi_struct *napi, int budget) +{ + struct vmxnet3_adapter *adapter = container_of(napi, + struct vmxnet3_adapter, napi); + int rxd_done; + + rxd_done = vmxnet3_do_poll(adapter, budget); + + if (rxd_done < budget) { + napi_complete(napi); + vmxnet3_enable_intr(adapter, 0); + } + return rxd_done; +} + + +/* Interrupt handler for vmxnet3 */ +static irqreturn_t +vmxnet3_intr(int irq, void *dev_id) +{ + struct net_device *dev = dev_id; + struct vmxnet3_adapter *adapter = netdev_priv(dev); + + if (unlikely(adapter->intr.type == VMXNET3_IT_INTX)) { + u32 icr = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_ICR); + if (unlikely(icr == 0)) + /* not ours */ + return IRQ_NONE; + } + + + /* disable intr if needed */ + if (adapter->intr.mask_mode == VMXNET3_IMM_ACTIVE) + vmxnet3_disable_intr(adapter, 0); + + napi_schedule(&adapter->napi); + + return IRQ_HANDLED; +} + +#ifdef CONFIG_NET_POLL_CONTROLLER + + +/* netpoll callback. */ +static void +vmxnet3_netpoll(struct net_device *netdev) +{ + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + int irq; + + if (adapter->intr.type == VMXNET3_IT_MSIX) + irq = adapter->intr.msix_entries[0].vector; + else + irq = adapter->pdev->irq; + + disable_irq(irq); + vmxnet3_intr(irq, netdev); + enable_irq(irq); +} +#endif + +static int +vmxnet3_request_irqs(struct vmxnet3_adapter *adapter) +{ + int err; + + if (adapter->intr.type == VMXNET3_IT_MSIX) { + /* we only use 1 MSI-X vector */ + err = request_irq(adapter->intr.msix_entries[0].vector, + vmxnet3_intr, 0, adapter->netdev->name, + adapter->netdev); + } else if (adapter->intr.type == VMXNET3_IT_MSI) { + err = request_irq(adapter->pdev->irq, vmxnet3_intr, 0, + adapter->netdev->name, adapter->netdev); + } else { + err = request_irq(adapter->pdev->irq, vmxnet3_intr, + IRQF_SHARED, adapter->netdev->name, + adapter->netdev); + } + + if (err) + printk(KERN_ERR "Failed to request irq %s (intr type:%d), error" + ":%d\n", adapter->netdev->name, adapter->intr.type, err); + + + if (!err) { + int i; + /* init our intr settings */ + for (i = 0; i < adapter->intr.num_intrs; i++) + adapter->intr.mod_levels[i] = UPT1_IML_ADAPTIVE; + + /* next setup intr index for all intr sources */ + adapter->tx_queue.comp_ring.intr_idx = 0; + adapter->rx_queue.comp_ring.intr_idx = 0; + adapter->intr.event_intr_idx = 0; + + printk(KERN_INFO "%s: intr type %u, mode %u, %u vectors " + "allocated\n", adapter->netdev->name, adapter->intr.type, + adapter->intr.mask_mode, adapter->intr.num_intrs); + } + + return err; +} + + +static void +vmxnet3_free_irqs(struct vmxnet3_adapter *adapter) +{ + BUG_ON(adapter->intr.type == VMXNET3_IT_AUTO || + adapter->intr.num_intrs <= 0); + + switch (adapter->intr.type) { + case VMXNET3_IT_MSIX: + { + int i; + + for (i = 0; i < adapter->intr.num_intrs; i++) + free_irq(adapter->intr.msix_entries[i].vector, + adapter->netdev); + break; + } + case VMXNET3_IT_MSI: + free_irq(adapter->pdev->irq, adapter->netdev); + break; + case VMXNET3_IT_INTX: + free_irq(adapter->pdev->irq, adapter->netdev); + break; + default: + BUG_ON(true); + } +} + + +static void +vmxnet3_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp) +{ + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + struct Vmxnet3_DriverShared *shared = adapter->shared; + u32 *vfTable = adapter->shared->devRead.rxFilterConf.vfTable; + + if (grp) { + /* add vlan rx stripping. */ + if (adapter->netdev->features & NETIF_F_HW_VLAN_RX) { + int i; + struct Vmxnet3_DSDevRead *devRead = &shared->devRead; + adapter->vlan_grp = grp; + + /* update FEATURES to device */ + devRead->misc.uptFeatures |= UPT1_F_RXVLAN; + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, + VMXNET3_CMD_UPDATE_FEATURE); + /* + * Clear entire vfTable; then enable untagged pkts. + * Note: setting one entry in vfTable to non-zero turns + * on VLAN rx filtering. + */ + for (i = 0; i < VMXNET3_VFT_SIZE; i++) + vfTable[i] = 0; + + VMXNET3_SET_VFTABLE_ENTRY(vfTable, 0); + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, + VMXNET3_CMD_UPDATE_VLAN_FILTERS); + } else { + printk(KERN_ERR "%s: vlan_rx_register when device has " + "no NETIF_F_HW_VLAN_RX\n", netdev->name); + } + } else { + /* remove vlan rx stripping. */ + struct Vmxnet3_DSDevRead *devRead = &shared->devRead; + adapter->vlan_grp = NULL; + + if (devRead->misc.uptFeatures & UPT1_F_RXVLAN) { + int i; + + for (i = 0; i < VMXNET3_VFT_SIZE; i++) { + /* clear entire vfTable; this also disables + * VLAN rx filtering + */ + vfTable[i] = 0; + } + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, + VMXNET3_CMD_UPDATE_VLAN_FILTERS); + + /* update FEATURES to device */ + devRead->misc.uptFeatures &= ~UPT1_F_RXVLAN; + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, + VMXNET3_CMD_UPDATE_FEATURE); + } + } +} + + +static void +vmxnet3_restore_vlan(struct vmxnet3_adapter *adapter) +{ + if (adapter->vlan_grp) { + u16 vid; + u32 *vfTable = adapter->shared->devRead.rxFilterConf.vfTable; + bool activeVlan = false; + + for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) { + if (vlan_group_get_device(adapter->vlan_grp, vid)) { + VMXNET3_SET_VFTABLE_ENTRY(vfTable, vid); + activeVlan = true; + } + } + if (activeVlan) { + /* continue to allow untagged pkts */ + VMXNET3_SET_VFTABLE_ENTRY(vfTable, 0); + } + } +} + + +static void +vmxnet3_vlan_rx_add_vid(struct net_device *netdev, u16 vid) +{ + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + u32 *vfTable = adapter->shared->devRead.rxFilterConf.vfTable; + + VMXNET3_SET_VFTABLE_ENTRY(vfTable, vid); + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, + VMXNET3_CMD_UPDATE_VLAN_FILTERS); +} + + +static void +vmxnet3_vlan_rx_kill_vid(struct net_device *netdev, u16 vid) +{ + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + u32 *vfTable = adapter->shared->devRead.rxFilterConf.vfTable; + + VMXNET3_CLEAR_VFTABLE_ENTRY(vfTable, vid); + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, + VMXNET3_CMD_UPDATE_VLAN_FILTERS); +} + + +static u8 * +vmxnet3_copy_mc(struct net_device *netdev) +{ + u8 *buf = NULL; + u32 sz = netdev->mc_count * ETH_ALEN; + + /* struct Vmxnet3_RxFilterConf.mfTableLen is u16. */ + if (sz <= 0xffff) { + /* We may be called with BH disabled */ + buf = kmalloc(sz, GFP_ATOMIC); + if (buf) { + int i; + struct dev_mc_list *mc = netdev->mc_list; + + for (i = 0; i < netdev->mc_count; i++) { + BUG_ON(!mc); + memcpy(buf + i * ETH_ALEN, mc->dmi_addr, + ETH_ALEN); + mc = mc->next; + } + } + } + return buf; +} + + +static void +vmxnet3_set_mc(struct net_device *netdev) +{ + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + struct Vmxnet3_RxFilterConf *rxConf = + &adapter->shared->devRead.rxFilterConf; + u8 *new_table = NULL; + u32 new_mode = VMXNET3_RXM_UCAST; + + if (netdev->flags & IFF_PROMISC) + new_mode |= VMXNET3_RXM_PROMISC; + + if (netdev->flags & IFF_BROADCAST) + new_mode |= VMXNET3_RXM_BCAST; + + if (netdev->flags & IFF_ALLMULTI) + new_mode |= VMXNET3_RXM_ALL_MULTI; + else + if (netdev->mc_count > 0) { + new_table = vmxnet3_copy_mc(netdev); + if (new_table) { + new_mode |= VMXNET3_RXM_MCAST; + rxConf->mfTableLen = netdev->mc_count * + ETH_ALEN; + rxConf->mfTablePA = virt_to_phys(new_table); + } else { + printk(KERN_INFO "%s: failed to copy mcast list" + ", setting ALL_MULTI\n", netdev->name); + new_mode |= VMXNET3_RXM_ALL_MULTI; + } + } + + + if (!(new_mode & VMXNET3_RXM_MCAST)) { + rxConf->mfTableLen = 0; + rxConf->mfTablePA = 0; + } + + if (new_mode != rxConf->rxMode) { + rxConf->rxMode = new_mode; + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, + VMXNET3_CMD_UPDATE_RX_MODE); + } + + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, + VMXNET3_CMD_UPDATE_MAC_FILTERS); + + kfree(new_table); +} + + +/* + * Set up driver_shared based on settings in adapter. + */ + +static void +vmxnet3_setup_driver_shared(struct vmxnet3_adapter *adapter) +{ + struct Vmxnet3_DriverShared *shared = adapter->shared; + struct Vmxnet3_DSDevRead *devRead = &shared->devRead; + struct Vmxnet3_TxQueueConf *tqc; + struct Vmxnet3_RxQueueConf *rqc; + int i; + + memset(shared, 0, sizeof(*shared)); + + /* driver settings */ + shared->magic = VMXNET3_REV1_MAGIC; + devRead->misc.driverInfo.version = VMXNET3_DRIVER_VERSION_NUM; + devRead->misc.driverInfo.gos.gosBits = (sizeof(void *) == 4 ? + VMXNET3_GOS_BITS_32 : VMXNET3_GOS_BITS_64); + devRead->misc.driverInfo.gos.gosType = VMXNET3_GOS_TYPE_LINUX; + devRead->misc.driverInfo.vmxnet3RevSpt = 1; + devRead->misc.driverInfo.uptVerSpt = 1; + + devRead->misc.ddPA = virt_to_phys(adapter); + devRead->misc.ddLen = sizeof(struct vmxnet3_adapter); + + /* set up feature flags */ + if (adapter->rxcsum) + devRead->misc.uptFeatures |= UPT1_F_RXCSUM; + + if (adapter->lro) { + devRead->misc.uptFeatures |= UPT1_F_LRO; + devRead->misc.maxNumRxSG = 1 + MAX_SKB_FRAGS; + } + if ((adapter->netdev->features & NETIF_F_HW_VLAN_RX) + && adapter->vlan_grp) { + devRead->misc.uptFeatures |= UPT1_F_RXVLAN; + } + + devRead->misc.mtu = adapter->netdev->mtu; + devRead->misc.queueDescPA = adapter->queue_desc_pa; + devRead->misc.queueDescLen = sizeof(struct Vmxnet3_TxQueueDesc) + + sizeof(struct Vmxnet3_RxQueueDesc); + + /* tx queue settings */ + BUG_ON(adapter->tx_queue.tx_ring.base == NULL); + + devRead->misc.numTxQueues = 1; + tqc = &adapter->tqd_start->conf; + tqc->txRingBasePA = adapter->tx_queue.tx_ring.basePA; + tqc->dataRingBasePA = adapter->tx_queue.data_ring.basePA; + tqc->compRingBasePA = adapter->tx_queue.comp_ring.basePA; + tqc->ddPA = virt_to_phys(adapter->tx_queue.buf_info); + tqc->txRingSize = adapter->tx_queue.tx_ring.size; + tqc->dataRingSize = adapter->tx_queue.data_ring.size; + tqc->compRingSize = adapter->tx_queue.comp_ring.size; + tqc->ddLen = sizeof(struct vmxnet3_tx_buf_info) * + tqc->txRingSize; + tqc->intrIdx = adapter->tx_queue.comp_ring.intr_idx; + + /* rx queue settings */ + devRead->misc.numRxQueues = 1; + rqc = &adapter->rqd_start->conf; + rqc->rxRingBasePA[0] = adapter->rx_queue.rx_ring[0].basePA; + rqc->rxRingBasePA[1] = adapter->rx_queue.rx_ring[1].basePA; + rqc->compRingBasePA = adapter->rx_queue.comp_ring.basePA; + rqc->ddPA = virt_to_phys(adapter->rx_queue.buf_info); + rqc->rxRingSize[0] = adapter->rx_queue.rx_ring[0].size; + rqc->rxRingSize[1] = adapter->rx_queue.rx_ring[1].size; + rqc->compRingSize = adapter->rx_queue.comp_ring.size; + rqc->ddLen = sizeof(struct vmxnet3_rx_buf_info) * + (rqc->rxRingSize[0] + rqc->rxRingSize[1]); + rqc->intrIdx = adapter->rx_queue.comp_ring.intr_idx; + + /* intr settings */ + devRead->intrConf.autoMask = adapter->intr.mask_mode == + VMXNET3_IMM_AUTO; + devRead->intrConf.numIntrs = adapter->intr.num_intrs; + for (i = 0; i < adapter->intr.num_intrs; i++) + devRead->intrConf.modLevels[i] = adapter->intr.mod_levels[i]; + + devRead->intrConf.eventIntrIdx = adapter->intr.event_intr_idx; + + /* rx filter settings */ + devRead->rxFilterConf.rxMode = 0; + vmxnet3_restore_vlan(adapter); + /* the rest are already zeroed */ +} + + +int +vmxnet3_activate_dev(struct vmxnet3_adapter *adapter) +{ + int err; + u32 ret; + + dprintk(KERN_ERR "%s: skb_buf_size %d, rx_buf_per_pkt %d, ring sizes" + " %u %u %u\n", adapter->netdev->name, adapter->skb_buf_size, + adapter->rx_buf_per_pkt, adapter->tx_queue.tx_ring.size, + adapter->rx_queue.rx_ring[0].size, + adapter->rx_queue.rx_ring[1].size); + + vmxnet3_tq_init(&adapter->tx_queue, adapter); + err = vmxnet3_rq_init(&adapter->rx_queue, adapter); + if (err) { + printk(KERN_ERR "Failed to init rx queue for %s: error %d\n", + adapter->netdev->name, err); + goto rq_err; + } + + err = vmxnet3_request_irqs(adapter); + if (err) { + printk(KERN_ERR "Failed to setup irq for %s: error %d\n", + adapter->netdev->name, err); + goto irq_err; + } + + vmxnet3_setup_driver_shared(adapter); + + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_DSAL, + VMXNET3_GET_ADDR_LO(adapter->shared_pa)); + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_DSAH, + VMXNET3_GET_ADDR_HI(adapter->shared_pa)); + + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, + VMXNET3_CMD_ACTIVATE_DEV); + ret = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD); + + if (ret != 0) { + printk(KERN_ERR "Failed to activate dev %s: error %u\n", + adapter->netdev->name, ret); + err = -EINVAL; + goto activate_err; + } + VMXNET3_WRITE_BAR0_REG(adapter, VMXNET3_REG_RXPROD, + adapter->rx_queue.rx_ring[0].next2fill); + VMXNET3_WRITE_BAR0_REG(adapter, VMXNET3_REG_RXPROD2, + adapter->rx_queue.rx_ring[1].next2fill); + + /* Apply the rx filter settins last. */ + vmxnet3_set_mc(adapter->netdev); + + /* + * Check link state when first activating device. It will start the + * tx queue if the link is up. + */ + vmxnet3_check_link(adapter); + + napi_enable(&adapter->napi); + vmxnet3_enable_all_intrs(adapter); + clear_bit(VMXNET3_STATE_BIT_QUIESCED, &adapter->state); + return 0; + +activate_err: + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_DSAL, 0); + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_DSAH, 0); + vmxnet3_free_irqs(adapter); +irq_err: +rq_err: + /* free up buffers we allocated */ + vmxnet3_rq_cleanup(&adapter->rx_queue, adapter); + return err; +} + + +void +vmxnet3_reset_dev(struct vmxnet3_adapter *adapter) +{ + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_RESET_DEV); +} + + +int +vmxnet3_quiesce_dev(struct vmxnet3_adapter *adapter) +{ + if (test_and_set_bit(VMXNET3_STATE_BIT_QUIESCED, &adapter->state)) + return 0; + + + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, + VMXNET3_CMD_QUIESCE_DEV); + vmxnet3_disable_all_intrs(adapter); + + napi_disable(&adapter->napi); + netif_tx_disable(adapter->netdev); + adapter->link_speed = 0; + netif_carrier_off(adapter->netdev); + + vmxnet3_tq_cleanup(&adapter->tx_queue, adapter); + vmxnet3_rq_cleanup(&adapter->rx_queue, adapter); + vmxnet3_free_irqs(adapter); + return 0; +} + + +static void +vmxnet3_write_mac_addr(struct vmxnet3_adapter *adapter, u8 *mac) +{ + u32 tmp; + + tmp = *(u32 *)mac; + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_MACL, tmp); + + tmp = (mac[5] << 8) | mac[4]; + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_MACH, tmp); +} + + +static int +vmxnet3_set_mac_addr(struct net_device *netdev, void *p) +{ + struct sockaddr *addr = p; + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + + memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); + vmxnet3_write_mac_addr(adapter, addr->sa_data); + + return 0; +} + + +/* ==================== initialization and cleanup routines ============ */ + +static int +vmxnet3_alloc_pci_resources(struct vmxnet3_adapter *adapter, bool *dma64) +{ + int err; + unsigned long mmio_start, mmio_len; + struct pci_dev *pdev = adapter->pdev; + + err = pci_enable_device(pdev); + if (err) { + printk(KERN_ERR "Failed to enable adapter %s: error %d\n", + pci_name(pdev), err); + return err; + } + + if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) == 0) { + if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) { + printk(KERN_ERR "pci_set_consistent_dma_mask failed " + "for adapter %s\n", pci_name(pdev)); + err = -EIO; + goto err_set_mask; + } + *dma64 = true; + } else { + if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) { + printk(KERN_ERR "pci_set_dma_mask failed for adapter " + "%s\n", pci_name(pdev)); + err = -EIO; + goto err_set_mask; + } + *dma64 = false; + } + + err = pci_request_selected_regions(pdev, (1 << 2) - 1, + vmxnet3_driver_name); + if (err) { + printk(KERN_ERR "Failed to request region for adapter %s: " + "error %d\n", pci_name(pdev), err); + goto err_set_mask; + } + + pci_set_master(pdev); + + mmio_start = pci_resource_start(pdev, 0); + mmio_len = pci_resource_len(pdev, 0); + adapter->hw_addr0 = ioremap(mmio_start, mmio_len); + if (!adapter->hw_addr0) { + printk(KERN_ERR "Failed to map bar0 for adapter %s\n", + pci_name(pdev)); + err = -EIO; + goto err_ioremap; + } + + mmio_start = pci_resource_start(pdev, 1); + mmio_len = pci_resource_len(pdev, 1); + adapter->hw_addr1 = ioremap(mmio_start, mmio_len); + if (!adapter->hw_addr1) { + printk(KERN_ERR "Failed to map bar1 for adapter %s\n", + pci_name(pdev)); + err = -EIO; + goto err_bar1; + } + return 0; + +err_bar1: + iounmap(adapter->hw_addr0); +err_ioremap: + pci_release_selected_regions(pdev, (1 << 2) - 1); +err_set_mask: + pci_disable_device(pdev); + return err; +} + + +static void +vmxnet3_free_pci_resources(struct vmxnet3_adapter *adapter) +{ + BUG_ON(!adapter->pdev); + + iounmap(adapter->hw_addr0); + iounmap(adapter->hw_addr1); + pci_release_selected_regions(adapter->pdev, (1 << 2) - 1); + pci_disable_device(adapter->pdev); +} + + +static void +vmxnet3_adjust_rx_ring_size(struct vmxnet3_adapter *adapter) +{ + size_t sz; + + if (adapter->netdev->mtu <= VMXNET3_MAX_SKB_BUF_SIZE - + VMXNET3_MAX_ETH_HDR_SIZE) { + adapter->skb_buf_size = adapter->netdev->mtu + + VMXNET3_MAX_ETH_HDR_SIZE; + if (adapter->skb_buf_size < VMXNET3_MIN_T0_BUF_SIZE) + adapter->skb_buf_size = VMXNET3_MIN_T0_BUF_SIZE; + + adapter->rx_buf_per_pkt = 1; + } else { + adapter->skb_buf_size = VMXNET3_MAX_SKB_BUF_SIZE; + sz = adapter->netdev->mtu - VMXNET3_MAX_SKB_BUF_SIZE + + VMXNET3_MAX_ETH_HDR_SIZE; + adapter->rx_buf_per_pkt = 1 + (sz + PAGE_SIZE - 1) / PAGE_SIZE; + } + + /* + * for simplicity, force the ring0 size to be a multiple of + * rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN + */ + sz = adapter->rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN; + adapter->rx_queue.rx_ring[0].size = (adapter->rx_queue.rx_ring[0].size + + sz - 1) / sz * sz; + adapter->rx_queue.rx_ring[0].size = min_t(u32, + adapter->rx_queue.rx_ring[0].size, + VMXNET3_RX_RING_MAX_SIZE / sz * sz); +} + + +int +vmxnet3_create_queues(struct vmxnet3_adapter *adapter, u32 tx_ring_size, + u32 rx_ring_size, u32 rx_ring2_size) +{ + int err; + + adapter->tx_queue.tx_ring.size = tx_ring_size; + adapter->tx_queue.data_ring.size = tx_ring_size; + adapter->tx_queue.comp_ring.size = tx_ring_size; + adapter->tx_queue.shared = &adapter->tqd_start->ctrl; + adapter->tx_queue.stopped = true; + err = vmxnet3_tq_create(&adapter->tx_queue, adapter); + if (err) + return err; + + adapter->rx_queue.rx_ring[0].size = rx_ring_size; + adapter->rx_queue.rx_ring[1].size = rx_ring2_size; + vmxnet3_adjust_rx_ring_size(adapter); + adapter->rx_queue.comp_ring.size = adapter->rx_queue.rx_ring[0].size + + adapter->rx_queue.rx_ring[1].size; + adapter->rx_queue.qid = 0; + adapter->rx_queue.qid2 = 1; + adapter->rx_queue.shared = &adapter->rqd_start->ctrl; + err = vmxnet3_rq_create(&adapter->rx_queue, adapter); + if (err) + vmxnet3_tq_destroy(&adapter->tx_queue, adapter); + + return err; +} + +static int +vmxnet3_open(struct net_device *netdev) +{ + struct vmxnet3_adapter *adapter; + int err; + + adapter = netdev_priv(netdev); + + spin_lock_init(&adapter->tx_queue.tx_lock); + + err = vmxnet3_create_queues(adapter, VMXNET3_DEF_TX_RING_SIZE, + VMXNET3_DEF_RX_RING_SIZE, + VMXNET3_DEF_RX_RING_SIZE); + if (err) + goto queue_err; + + err = vmxnet3_activate_dev(adapter); + if (err) + goto activate_err; + + return 0; + +activate_err: + vmxnet3_rq_destroy(&adapter->rx_queue, adapter); + vmxnet3_tq_destroy(&adapter->tx_queue, adapter); +queue_err: + return err; +} + + +static int +vmxnet3_close(struct net_device *netdev) +{ + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + + /* + * Reset_work may be in the middle of resetting the device, wait for its + * completion. + */ + while (test_and_set_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state)) + msleep(1); + + vmxnet3_quiesce_dev(adapter); + + vmxnet3_rq_destroy(&adapter->rx_queue, adapter); + vmxnet3_tq_destroy(&adapter->tx_queue, adapter); + + clear_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state); + + + return 0; +} + + +void +vmxnet3_force_close(struct vmxnet3_adapter *adapter) +{ + /* + * we must clear VMXNET3_STATE_BIT_RESETTING, otherwise + * vmxnet3_close() will deadlock. + */ + BUG_ON(test_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state)); + + /* we need to enable NAPI, otherwise dev_close will deadlock */ + napi_enable(&adapter->napi); + dev_close(adapter->netdev); +} + + +static int +vmxnet3_change_mtu(struct net_device *netdev, int new_mtu) +{ + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + int err = 0; + + if (new_mtu < VMXNET3_MIN_MTU || new_mtu > VMXNET3_MAX_MTU) + return -EINVAL; + + if (new_mtu > 1500 && !adapter->jumbo_frame) + return -EINVAL; + + netdev->mtu = new_mtu; + + /* + * Reset_work may be in the middle of resetting the device, wait for its + * completion. + */ + while (test_and_set_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state)) + msleep(1); + + if (netif_running(netdev)) { + vmxnet3_quiesce_dev(adapter); + vmxnet3_reset_dev(adapter); + + /* we need to re-create the rx queue based on the new mtu */ + vmxnet3_rq_destroy(&adapter->rx_queue, adapter); + vmxnet3_adjust_rx_ring_size(adapter); + adapter->rx_queue.comp_ring.size = + adapter->rx_queue.rx_ring[0].size + + adapter->rx_queue.rx_ring[1].size; + err = vmxnet3_rq_create(&adapter->rx_queue, adapter); + if (err) { + printk(KERN_ERR "%s: failed to re-create rx queue," + " error %d. Closing it.\n", netdev->name, err); + goto out; + } + + err = vmxnet3_activate_dev(adapter); + if (err) { + printk(KERN_ERR "%s: failed to re-activate, error %d. " + "Closing it\n", netdev->name, err); + goto out; + } + } + +out: + clear_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state); + if (err) + vmxnet3_force_close(adapter); + + return err; +} + + +static void +vmxnet3_declare_features(struct vmxnet3_adapter *adapter, bool dma64) +{ + struct net_device *netdev = adapter->netdev; + + netdev->features = NETIF_F_SG | + NETIF_F_HW_CSUM | + NETIF_F_HW_VLAN_TX | + NETIF_F_HW_VLAN_RX | + NETIF_F_HW_VLAN_FILTER | + NETIF_F_TSO | + NETIF_F_TSO6 | + NETIF_F_LRO; + + printk(KERN_INFO "features: sg csum vlan jf tso tsoIPv6 lro"); + + adapter->rxcsum = true; + adapter->jumbo_frame = true; + adapter->lro = true; + + if (dma64) { + netdev->features |= NETIF_F_HIGHDMA; + printk(" highDMA"); + } + + netdev->vlan_features = netdev->features; + printk("\n"); +} + + +static void +vmxnet3_read_mac_addr(struct vmxnet3_adapter *adapter, u8 *mac) +{ + u32 tmp; + + tmp = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_MACL); + *(u32 *)mac = tmp; + + tmp = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_MACH); + mac[4] = tmp & 0xff; + mac[5] = (tmp >> 8) & 0xff; +} + + +static void +vmxnet3_alloc_intr_resources(struct vmxnet3_adapter *adapter) +{ + u32 cfg; + + /* intr settings */ + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, + VMXNET3_CMD_GET_CONF_INTR); + cfg = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD); + adapter->intr.type = cfg & 0x3; + adapter->intr.mask_mode = (cfg >> 2) & 0x3; + + if (adapter->intr.type == VMXNET3_IT_AUTO) { + int err; + + adapter->intr.msix_entries[0].entry = 0; + err = pci_enable_msix(adapter->pdev, adapter->intr.msix_entries, + VMXNET3_LINUX_MAX_MSIX_VECT); + if (!err) { + adapter->intr.num_intrs = 1; + adapter->intr.type = VMXNET3_IT_MSIX; + return; + } + + err = pci_enable_msi(adapter->pdev); + if (!err) { + adapter->intr.num_intrs = 1; + adapter->intr.type = VMXNET3_IT_MSI; + return; + } + } + + adapter->intr.type = VMXNET3_IT_INTX; + + /* INT-X related setting */ + adapter->intr.num_intrs = 1; +} + + +static void +vmxnet3_free_intr_resources(struct vmxnet3_adapter *adapter) +{ + if (adapter->intr.type == VMXNET3_IT_MSIX) + pci_disable_msix(adapter->pdev); + else if (adapter->intr.type == VMXNET3_IT_MSI) + pci_disable_msi(adapter->pdev); + else + BUG_ON(adapter->intr.type != VMXNET3_IT_INTX); +} + + +static void +vmxnet3_tx_timeout(struct net_device *netdev) +{ + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + adapter->tx_timeout_count++; + + printk(KERN_ERR "%s: tx hang\n", adapter->netdev->name); + schedule_work(&adapter->work); +} + + +static void +vmxnet3_reset_work(struct work_struct *data) +{ + struct vmxnet3_adapter *adapter; + + adapter = container_of(data, struct vmxnet3_adapter, work); + + /* if another thread is resetting the device, no need to proceed */ + if (test_and_set_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state)) + return; + + /* if the device is closed, we must leave it alone */ + if (netif_running(adapter->netdev)) { + printk(KERN_INFO "%s: resetting\n", adapter->netdev->name); + vmxnet3_quiesce_dev(adapter); + vmxnet3_reset_dev(adapter); + vmxnet3_activate_dev(adapter); + } else { + printk(KERN_INFO "%s: already closed\n", adapter->netdev->name); + } + + clear_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state); +} + + +static int __devinit +vmxnet3_probe_device(struct pci_dev *pdev, + const struct pci_device_id *id) +{ + static const struct net_device_ops vmxnet3_netdev_ops = { + .ndo_open = vmxnet3_open, + .ndo_stop = vmxnet3_close, + .ndo_start_xmit = vmxnet3_xmit_frame, + .ndo_set_mac_address = vmxnet3_set_mac_addr, + .ndo_change_mtu = vmxnet3_change_mtu, + .ndo_get_stats = vmxnet3_get_stats, + .ndo_tx_timeout = vmxnet3_tx_timeout, + .ndo_set_multicast_list = vmxnet3_set_mc, + .ndo_vlan_rx_register = vmxnet3_vlan_rx_register, + .ndo_vlan_rx_add_vid = vmxnet3_vlan_rx_add_vid, + .ndo_vlan_rx_kill_vid = vmxnet3_vlan_rx_kill_vid, +#ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = vmxnet3_netpoll, +#endif + }; + int err; + bool dma64 = false; /* stupid gcc */ + u32 ver; + struct net_device *netdev; + struct vmxnet3_adapter *adapter; + u8 mac[ETH_ALEN]; + + netdev = alloc_etherdev(sizeof(struct vmxnet3_adapter)); + if (!netdev) { + printk(KERN_ERR "Failed to alloc ethernet device for adapter " + "%s\n", pci_name(pdev)); + return -ENOMEM; + } + + pci_set_drvdata(pdev, netdev); + adapter = netdev_priv(netdev); + adapter->netdev = netdev; + adapter->pdev = pdev; + + adapter->shared = pci_alloc_consistent(adapter->pdev, + sizeof(struct Vmxnet3_DriverShared), + &adapter->shared_pa); + if (!adapter->shared) { + printk(KERN_ERR "Failed to allocate memory for %s\n", + pci_name(pdev)); + err = -ENOMEM; + goto err_alloc_shared; + } + + adapter->tqd_start = pci_alloc_consistent(adapter->pdev, + sizeof(struct Vmxnet3_TxQueueDesc) + + sizeof(struct Vmxnet3_RxQueueDesc), + &adapter->queue_desc_pa); + + if (!adapter->tqd_start) { + printk(KERN_ERR "Failed to allocate memory for %s\n", + pci_name(pdev)); + err = -ENOMEM; + goto err_alloc_queue_desc; + } + adapter->rqd_start = (struct Vmxnet3_RxQueueDesc *)(adapter->tqd_start + + 1); + + adapter->pm_conf = kmalloc(sizeof(struct Vmxnet3_PMConf), GFP_KERNEL); + if (adapter->pm_conf == NULL) { + printk(KERN_ERR "Failed to allocate memory for %s\n", + pci_name(pdev)); + err = -ENOMEM; + goto err_alloc_pm; + } + + err = vmxnet3_alloc_pci_resources(adapter, &dma64); + if (err < 0) + goto err_alloc_pci; + + ver = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_VRRS); + if (ver & 1) { + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_VRRS, 1); + } else { + printk(KERN_ERR "Incompatible h/w version (0x%x) for adapter" + " %s\n", ver, pci_name(pdev)); + err = -EBUSY; + goto err_ver; + } + + ver = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_UVRS); + if (ver & 1) { + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_UVRS, 1); + } else { + printk(KERN_ERR "Incompatible upt version (0x%x) for " + "adapter %s\n", ver, pci_name(pdev)); + err = -EBUSY; + goto err_ver; + } + + vmxnet3_declare_features(adapter, dma64); + + adapter->dev_number = atomic_read(&devices_found); + vmxnet3_alloc_intr_resources(adapter); + + vmxnet3_read_mac_addr(adapter, mac); + memcpy(netdev->dev_addr, mac, netdev->addr_len); + + netdev->netdev_ops = &vmxnet3_netdev_ops; + netdev->watchdog_timeo = 5 * HZ; + vmxnet3_set_ethtool_ops(netdev); + + INIT_WORK(&adapter->work, vmxnet3_reset_work); + + netif_napi_add(netdev, &adapter->napi, vmxnet3_poll, 64); + SET_NETDEV_DEV(netdev, &pdev->dev); + err = register_netdev(netdev); + + if (err) { + printk(KERN_ERR "Failed to register adapter %s\n", + pci_name(pdev)); + goto err_register; + } + + set_bit(VMXNET3_STATE_BIT_QUIESCED, &adapter->state); + atomic_inc(&devices_found); + return 0; + +err_register: + vmxnet3_free_intr_resources(adapter); +err_ver: + vmxnet3_free_pci_resources(adapter); +err_alloc_pci: + kfree(adapter->pm_conf); +err_alloc_pm: + pci_free_consistent(adapter->pdev, sizeof(struct Vmxnet3_TxQueueDesc) + + sizeof(struct Vmxnet3_RxQueueDesc), + adapter->tqd_start, adapter->queue_desc_pa); +err_alloc_queue_desc: + pci_free_consistent(adapter->pdev, sizeof(struct Vmxnet3_DriverShared), + adapter->shared, adapter->shared_pa); +err_alloc_shared: + pci_set_drvdata(pdev, NULL); + free_netdev(netdev); + return err; +} + + +static void __devexit +vmxnet3_remove_device(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + + flush_scheduled_work(); + + unregister_netdev(netdev); + + vmxnet3_free_intr_resources(adapter); + vmxnet3_free_pci_resources(adapter); + kfree(adapter->pm_conf); + pci_free_consistent(adapter->pdev, sizeof(struct Vmxnet3_TxQueueDesc) + + sizeof(struct Vmxnet3_RxQueueDesc), + adapter->tqd_start, adapter->queue_desc_pa); + pci_free_consistent(adapter->pdev, sizeof(struct Vmxnet3_DriverShared), + adapter->shared, adapter->shared_pa); + free_netdev(netdev); +} + + +#ifdef CONFIG_PM + +static int +vmxnet3_suspend(struct device *device) +{ + struct pci_dev *pdev = to_pci_dev(device); + struct net_device *netdev = pci_get_drvdata(pdev); + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + struct Vmxnet3_PMConf *pmConf; + struct ethhdr *ehdr; + struct arphdr *ahdr; + u8 *arpreq; + struct in_device *in_dev; + struct in_ifaddr *ifa; + int i = 0; + + if (!netif_running(netdev)) + return 0; + + vmxnet3_disable_all_intrs(adapter); + vmxnet3_free_irqs(adapter); + vmxnet3_free_intr_resources(adapter); + + netif_device_detach(netdev); + netif_stop_queue(netdev); + + /* Create wake-up filters. */ + pmConf = adapter->pm_conf; + memset(pmConf, 0, sizeof(*pmConf)); + + if (adapter->wol & WAKE_UCAST) { + pmConf->filters[i].patternSize = ETH_ALEN; + pmConf->filters[i].maskSize = 1; + memcpy(pmConf->filters[i].pattern, netdev->dev_addr, ETH_ALEN); + pmConf->filters[i].mask[0] = 0x3F; /* LSB ETH_ALEN bits */ + + pmConf->wakeUpEvents |= VMXNET3_PM_WAKEUP_FILTER; + i++; + } + + if (adapter->wol & WAKE_ARP) { + in_dev = in_dev_get(netdev); + if (!in_dev) + goto skip_arp; + + ifa = (struct in_ifaddr *)in_dev->ifa_list; + if (!ifa) + goto skip_arp; + + pmConf->filters[i].patternSize = ETH_HLEN + /* Ethernet header*/ + sizeof(struct arphdr) + /* ARP header */ + 2 * ETH_ALEN + /* 2 Ethernet addresses*/ + 2 * sizeof(u32); /*2 IPv4 addresses */ + pmConf->filters[i].maskSize = + (pmConf->filters[i].patternSize - 1) / 8 + 1; + + /* ETH_P_ARP in Ethernet header. */ + ehdr = (struct ethhdr *)pmConf->filters[i].pattern; + ehdr->h_proto = htons(ETH_P_ARP); + + /* ARPOP_REQUEST in ARP header. */ + ahdr = (struct arphdr *)&pmConf->filters[i].pattern[ETH_HLEN]; + ahdr->ar_op = htons(ARPOP_REQUEST); + arpreq = (u8 *)(ahdr + 1); + + /* The Unicast IPv4 address in 'tip' field. */ + arpreq += 2 * ETH_ALEN + sizeof(u32); + *(u32 *)arpreq = ifa->ifa_address; + + /* The mask for the relevant bits. */ + pmConf->filters[i].mask[0] = 0x00; + pmConf->filters[i].mask[1] = 0x30; /* ETH_P_ARP */ + pmConf->filters[i].mask[2] = 0x30; /* ARPOP_REQUEST */ + pmConf->filters[i].mask[3] = 0x00; + pmConf->filters[i].mask[4] = 0xC0; /* IPv4 TIP */ + pmConf->filters[i].mask[5] = 0x03; /* IPv4 TIP */ + in_dev_put(in_dev); + + pmConf->wakeUpEvents |= VMXNET3_PM_WAKEUP_FILTER; + i++; + } + +skip_arp: + if (adapter->wol & WAKE_MAGIC) + pmConf->wakeUpEvents |= VMXNET3_PM_WAKEUP_MAGIC; + + pmConf->numFilters = i; + + adapter->shared->devRead.pmConfDesc.confVer = 1; + adapter->shared->devRead.pmConfDesc.confLen = sizeof(*pmConf); + adapter->shared->devRead.pmConfDesc.confPA = virt_to_phys(pmConf); + + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, + VMXNET3_CMD_UPDATE_PMCFG); + + pci_save_state(pdev); + pci_enable_wake(pdev, pci_choose_state(pdev, PMSG_SUSPEND), + adapter->wol); + pci_disable_device(pdev); + pci_set_power_state(pdev, pci_choose_state(pdev, PMSG_SUSPEND)); + + return 0; +} + + +static int +vmxnet3_resume(struct device *device) +{ + int err; + struct pci_dev *pdev = to_pci_dev(device); + struct net_device *netdev = pci_get_drvdata(pdev); + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + struct Vmxnet3_PMConf *pmConf; + + if (!netif_running(netdev)) + return 0; + + /* Destroy wake-up filters. */ + pmConf = adapter->pm_conf; + memset(pmConf, 0, sizeof(*pmConf)); + + adapter->shared->devRead.pmConfDesc.confVer = 1; + adapter->shared->devRead.pmConfDesc.confLen = sizeof(*pmConf); + adapter->shared->devRead.pmConfDesc.confPA = virt_to_phys(pmConf); + + netif_device_attach(netdev); + pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); + err = pci_enable_device_mem(pdev); + if (err != 0) + return err; + + pci_enable_wake(pdev, PCI_D0, 0); + + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, + VMXNET3_CMD_UPDATE_PMCFG); + vmxnet3_alloc_intr_resources(adapter); + vmxnet3_request_irqs(adapter); + vmxnet3_enable_all_intrs(adapter); + + return 0; +} + +static struct dev_pm_ops vmxnet3_pm_ops = { + .suspend = vmxnet3_suspend, + .resume = vmxnet3_resume, +}; +#endif + +static struct pci_driver vmxnet3_driver = { + .name = vmxnet3_driver_name, + .id_table = vmxnet3_pciid_table, + .probe = vmxnet3_probe_device, + .remove = __devexit_p(vmxnet3_remove_device), +#ifdef CONFIG_PM + .driver.pm = &vmxnet3_pm_ops, +#endif +}; + + +static int __init +vmxnet3_init_module(void) +{ + printk(KERN_INFO "%s - version %s\n", VMXNET3_DRIVER_DESC, + VMXNET3_DRIVER_VERSION_REPORT); + return pci_register_driver(&vmxnet3_driver); +} + +module_init(vmxnet3_init_module); + + +static void +vmxnet3_exit_module(void) +{ + pci_unregister_driver(&vmxnet3_driver); +} + +module_exit(vmxnet3_exit_module); + +MODULE_AUTHOR("VMware, Inc."); +MODULE_DESCRIPTION(VMXNET3_DRIVER_DESC); +MODULE_LICENSE("GPL v2"); +MODULE_VERSION(VMXNET3_DRIVER_VERSION_STRING); diff --git a/drivers/net/vmxnet3/vmxnet3_ethtool.c b/drivers/net/vmxnet3/vmxnet3_ethtool.c new file mode 100644 index 00000000000..c2c15e4cafc --- /dev/null +++ b/drivers/net/vmxnet3/vmxnet3_ethtool.c @@ -0,0 +1,566 @@ +/* + * Linux driver for VMware's vmxnet3 ethernet NIC. + * + * Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved. + * + * 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 the + * Free Software Foundation; version 2 of the License and no later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * The full GNU General Public License is included in this distribution in + * the file called "COPYING". + * + * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com> + * + */ + + +#include "vmxnet3_int.h" + +struct vmxnet3_stat_desc { + char desc[ETH_GSTRING_LEN]; + int offset; +}; + + +static u32 +vmxnet3_get_rx_csum(struct net_device *netdev) +{ + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + return adapter->rxcsum; +} + + +static int +vmxnet3_set_rx_csum(struct net_device *netdev, u32 val) +{ + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + + if (adapter->rxcsum != val) { + adapter->rxcsum = val; + if (netif_running(netdev)) { + if (val) + adapter->shared->devRead.misc.uptFeatures |= + UPT1_F_RXCSUM; + else + adapter->shared->devRead.misc.uptFeatures &= + ~UPT1_F_RXCSUM; + + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, + VMXNET3_CMD_UPDATE_FEATURE); + } + } + return 0; +} + + +/* per tq stats maintained by the device */ +static const struct vmxnet3_stat_desc +vmxnet3_tq_dev_stats[] = { + /* description, offset */ + { "TSO pkts tx", offsetof(struct UPT1_TxStats, TSOPktsTxOK) }, + { "TSO bytes tx", offsetof(struct UPT1_TxStats, TSOBytesTxOK) }, + { "ucast pkts tx", offsetof(struct UPT1_TxStats, ucastPktsTxOK) }, + { "ucast bytes tx", offsetof(struct UPT1_TxStats, ucastBytesTxOK) }, + { "mcast pkts tx", offsetof(struct UPT1_TxStats, mcastPktsTxOK) }, + { "mcast bytes tx", offsetof(struct UPT1_TxStats, mcastBytesTxOK) }, + { "bcast pkts tx", offsetof(struct UPT1_TxStats, bcastPktsTxOK) }, + { "bcast bytes tx", offsetof(struct UPT1_TxStats, bcastBytesTxOK) }, + { "pkts tx err", offsetof(struct UPT1_TxStats, pktsTxError) }, + { "pkts tx discard", offsetof(struct UPT1_TxStats, pktsTxDiscard) }, +}; + +/* per tq stats maintained by the driver */ +static const struct vmxnet3_stat_desc +vmxnet3_tq_driver_stats[] = { + /* description, offset */ + {"drv dropped tx total", offsetof(struct vmxnet3_tq_driver_stats, + drop_total) }, + { " too many frags", offsetof(struct vmxnet3_tq_driver_stats, + drop_too_many_frags) }, + { " giant hdr", offsetof(struct vmxnet3_tq_driver_stats, + drop_oversized_hdr) }, + { " hdr err", offsetof(struct vmxnet3_tq_driver_stats, + drop_hdr_inspect_err) }, + { " tso", offsetof(struct vmxnet3_tq_driver_stats, + drop_tso) }, + { "ring full", offsetof(struct vmxnet3_tq_driver_stats, + tx_ring_full) }, + { "pkts linearized", offsetof(struct vmxnet3_tq_driver_stats, + linearized) }, + { "hdr cloned", offsetof(struct vmxnet3_tq_driver_stats, + copy_skb_header) }, + { "giant hdr", offsetof(struct vmxnet3_tq_driver_stats, + oversized_hdr) }, +}; + +/* per rq stats maintained by the device */ +static const struct vmxnet3_stat_desc +vmxnet3_rq_dev_stats[] = { + { "LRO pkts rx", offsetof(struct UPT1_RxStats, LROPktsRxOK) }, + { "LRO byte rx", offsetof(struct UPT1_RxStats, LROBytesRxOK) }, + { "ucast pkts rx", offsetof(struct UPT1_RxStats, ucastPktsRxOK) }, + { "ucast bytes rx", offsetof(struct UPT1_RxStats, ucastBytesRxOK) }, + { "mcast pkts rx", offsetof(struct UPT1_RxStats, mcastPktsRxOK) }, + { "mcast bytes rx", offsetof(struct UPT1_RxStats, mcastBytesRxOK) }, + { "bcast pkts rx", offsetof(struct UPT1_RxStats, bcastPktsRxOK) }, + { "bcast bytes rx", offsetof(struct UPT1_RxStats, bcastBytesRxOK) }, + { "pkts rx out of buf", offsetof(struct UPT1_RxStats, pktsRxOutOfBuf) }, + { "pkts rx err", offsetof(struct UPT1_RxStats, pktsRxError) }, +}; + +/* per rq stats maintained by the driver */ +static const struct vmxnet3_stat_desc +vmxnet3_rq_driver_stats[] = { + /* description, offset */ + { "drv dropped rx total", offsetof(struct vmxnet3_rq_driver_stats, + drop_total) }, + { " err", offsetof(struct vmxnet3_rq_driver_stats, + drop_err) }, + { " fcs", offsetof(struct vmxnet3_rq_driver_stats, + drop_fcs) }, + { "rx buf alloc fail", offsetof(struct vmxnet3_rq_driver_stats, + rx_buf_alloc_failure) }, +}; + +/* gloabl stats maintained by the driver */ +static const struct vmxnet3_stat_desc +vmxnet3_global_stats[] = { + /* description, offset */ + { "tx timeout count", offsetof(struct vmxnet3_adapter, + tx_timeout_count) } +}; + + +struct net_device_stats * +vmxnet3_get_stats(struct net_device *netdev) +{ + struct vmxnet3_adapter *adapter; + struct vmxnet3_tq_driver_stats *drvTxStats; + struct vmxnet3_rq_driver_stats *drvRxStats; + struct UPT1_TxStats *devTxStats; + struct UPT1_RxStats *devRxStats; + struct net_device_stats *net_stats = &netdev->stats; + + adapter = netdev_priv(netdev); + + /* Collect the dev stats into the shared area */ + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS); + + /* Assuming that we have a single queue device */ + devTxStats = &adapter->tqd_start->stats; + devRxStats = &adapter->rqd_start->stats; + + /* Get access to the driver stats per queue */ + drvTxStats = &adapter->tx_queue.stats; + drvRxStats = &adapter->rx_queue.stats; + + memset(net_stats, 0, sizeof(*net_stats)); + + net_stats->rx_packets = devRxStats->ucastPktsRxOK + + devRxStats->mcastPktsRxOK + + devRxStats->bcastPktsRxOK; + + net_stats->tx_packets = devTxStats->ucastPktsTxOK + + devTxStats->mcastPktsTxOK + + devTxStats->bcastPktsTxOK; + + net_stats->rx_bytes = devRxStats->ucastBytesRxOK + + devRxStats->mcastBytesRxOK + + devRxStats->bcastBytesRxOK; + + net_stats->tx_bytes = devTxStats->ucastBytesTxOK + + devTxStats->mcastBytesTxOK + + devTxStats->bcastBytesTxOK; + + net_stats->rx_errors = devRxStats->pktsRxError; + net_stats->tx_errors = devTxStats->pktsTxError; + net_stats->rx_dropped = drvRxStats->drop_total; + net_stats->tx_dropped = drvTxStats->drop_total; + net_stats->multicast = devRxStats->mcastPktsRxOK; + + return net_stats; +} + +static int +vmxnet3_get_sset_count(struct net_device *netdev, int sset) +{ + switch (sset) { + case ETH_SS_STATS: + return ARRAY_SIZE(vmxnet3_tq_dev_stats) + + ARRAY_SIZE(vmxnet3_tq_driver_stats) + + ARRAY_SIZE(vmxnet3_rq_dev_stats) + + ARRAY_SIZE(vmxnet3_rq_driver_stats) + + ARRAY_SIZE(vmxnet3_global_stats); + default: + return -EOPNOTSUPP; + } +} + + +static int +vmxnet3_get_regs_len(struct net_device *netdev) +{ + return 20 * sizeof(u32); +} + + +static void +vmxnet3_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) +{ + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + + strlcpy(drvinfo->driver, vmxnet3_driver_name, sizeof(drvinfo->driver)); + drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0'; + + strlcpy(drvinfo->version, VMXNET3_DRIVER_VERSION_REPORT, + sizeof(drvinfo->version)); + drvinfo->driver[sizeof(drvinfo->version) - 1] = '\0'; + + strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version)); + drvinfo->fw_version[sizeof(drvinfo->fw_version) - 1] = '\0'; + + strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), + ETHTOOL_BUSINFO_LEN); + drvinfo->n_stats = vmxnet3_get_sset_count(netdev, ETH_SS_STATS); + drvinfo->testinfo_len = 0; + drvinfo->eedump_len = 0; + drvinfo->regdump_len = vmxnet3_get_regs_len(netdev); +} + + +static void +vmxnet3_get_strings(struct net_device *netdev, u32 stringset, u8 *buf) +{ + if (stringset == ETH_SS_STATS) { + int i; + + for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_dev_stats); i++) { + memcpy(buf, vmxnet3_tq_dev_stats[i].desc, + ETH_GSTRING_LEN); + buf += ETH_GSTRING_LEN; + } + for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_driver_stats); i++) { + memcpy(buf, vmxnet3_tq_driver_stats[i].desc, + ETH_GSTRING_LEN); + buf += ETH_GSTRING_LEN; + } + for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_dev_stats); i++) { + memcpy(buf, vmxnet3_rq_dev_stats[i].desc, + ETH_GSTRING_LEN); + buf += ETH_GSTRING_LEN; + } + for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_driver_stats); i++) { + memcpy(buf, vmxnet3_rq_driver_stats[i].desc, + ETH_GSTRING_LEN); + buf += ETH_GSTRING_LEN; + } + for (i = 0; i < ARRAY_SIZE(vmxnet3_global_stats); i++) { + memcpy(buf, vmxnet3_global_stats[i].desc, + ETH_GSTRING_LEN); + buf += ETH_GSTRING_LEN; + } + } +} + +static u32 +vmxnet3_get_flags(struct net_device *netdev) { + return netdev->features; +} + +static int +vmxnet3_set_flags(struct net_device *netdev, u32 data) { + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + u8 lro_requested = (data & ETH_FLAG_LRO) == 0 ? 0 : 1; + u8 lro_present = (netdev->features & NETIF_F_LRO) == 0 ? 0 : 1; + + if (lro_requested ^ lro_present) { + /* toggle the LRO feature*/ + netdev->features ^= NETIF_F_LRO; + + /* update harware LRO capability accordingly */ + if (lro_requested) + adapter->shared->devRead.misc.uptFeatures &= UPT1_F_LRO; + else + adapter->shared->devRead.misc.uptFeatures &= + ~UPT1_F_LRO; + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, + VMXNET3_CMD_UPDATE_FEATURE); + } + return 0; +} + +static void +vmxnet3_get_ethtool_stats(struct net_device *netdev, + struct ethtool_stats *stats, u64 *buf) +{ + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + u8 *base; + int i; + + VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS); + + /* this does assume each counter is 64-bit wide */ + + base = (u8 *)&adapter->tqd_start->stats; + for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_dev_stats); i++) + *buf++ = *(u64 *)(base + vmxnet3_tq_dev_stats[i].offset); + + base = (u8 *)&adapter->tx_queue.stats; + for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_driver_stats); i++) + *buf++ = *(u64 *)(base + vmxnet3_tq_driver_stats[i].offset); + + base = (u8 *)&adapter->rqd_start->stats; + for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_dev_stats); i++) + *buf++ = *(u64 *)(base + vmxnet3_rq_dev_stats[i].offset); + + base = (u8 *)&adapter->rx_queue.stats; + for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_driver_stats); i++) + *buf++ = *(u64 *)(base + vmxnet3_rq_driver_stats[i].offset); + + base = (u8 *)adapter; + for (i = 0; i < ARRAY_SIZE(vmxnet3_global_stats); i++) + *buf++ = *(u64 *)(base + vmxnet3_global_stats[i].offset); +} + + +static void +vmxnet3_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) +{ + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + u32 *buf = p; + + memset(p, 0, vmxnet3_get_regs_len(netdev)); + + regs->version = 1; + + /* Update vmxnet3_get_regs_len if we want to dump more registers */ + + /* make each ring use multiple of 16 bytes */ + buf[0] = adapter->tx_queue.tx_ring.next2fill; + buf[1] = adapter->tx_queue.tx_ring.next2comp; + buf[2] = adapter->tx_queue.tx_ring.gen; + buf[3] = 0; + + buf[4] = adapter->tx_queue.comp_ring.next2proc; + buf[5] = adapter->tx_queue.comp_ring.gen; + buf[6] = adapter->tx_queue.stopped; + buf[7] = 0; + + buf[8] = adapter->rx_queue.rx_ring[0].next2fill; + buf[9] = adapter->rx_queue.rx_ring[0].next2comp; + buf[10] = adapter->rx_queue.rx_ring[0].gen; + buf[11] = 0; + + buf[12] = adapter->rx_queue.rx_ring[1].next2fill; + buf[13] = adapter->rx_queue.rx_ring[1].next2comp; + buf[14] = adapter->rx_queue.rx_ring[1].gen; + buf[15] = 0; + + buf[16] = adapter->rx_queue.comp_ring.next2proc; + buf[17] = adapter->rx_queue.comp_ring.gen; + buf[18] = 0; + buf[19] = 0; +} + + +static void +vmxnet3_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) +{ + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + + wol->supported = WAKE_UCAST | WAKE_ARP | WAKE_MAGIC; + wol->wolopts = adapter->wol; +} + + +static int +vmxnet3_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) +{ + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + + if (wol->wolopts & (WAKE_PHY | WAKE_MCAST | WAKE_BCAST | + WAKE_MAGICSECURE)) { + return -EOPNOTSUPP; + } + + adapter->wol = wol->wolopts; + + device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); + + return 0; +} + + +static int +vmxnet3_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) +{ + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + + ecmd->supported = SUPPORTED_10000baseT_Full | SUPPORTED_1000baseT_Full | + SUPPORTED_TP; + ecmd->advertising = ADVERTISED_TP; + ecmd->port = PORT_TP; + ecmd->transceiver = XCVR_INTERNAL; + + if (adapter->link_speed) { + ecmd->speed = adapter->link_speed; + ecmd->duplex = DUPLEX_FULL; + } else { + ecmd->speed = -1; + ecmd->duplex = -1; + } + return 0; +} + + +static void +vmxnet3_get_ringparam(struct net_device *netdev, + struct ethtool_ringparam *param) +{ + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + + param->rx_max_pending = VMXNET3_RX_RING_MAX_SIZE; + param->tx_max_pending = VMXNET3_TX_RING_MAX_SIZE; + param->rx_mini_max_pending = 0; + param->rx_jumbo_max_pending = 0; + + param->rx_pending = adapter->rx_queue.rx_ring[0].size; + param->tx_pending = adapter->tx_queue.tx_ring.size; + param->rx_mini_pending = 0; + param->rx_jumbo_pending = 0; +} + + +static int +vmxnet3_set_ringparam(struct net_device *netdev, + struct ethtool_ringparam *param) +{ + struct vmxnet3_adapter *adapter = netdev_priv(netdev); + u32 new_tx_ring_size, new_rx_ring_size; + u32 sz; + int err = 0; + + if (param->tx_pending == 0 || param->tx_pending > + VMXNET3_TX_RING_MAX_SIZE) + return -EINVAL; + + if (param->rx_pending == 0 || param->rx_pending > + VMXNET3_RX_RING_MAX_SIZE) + return -EINVAL; + + + /* round it up to a multiple of VMXNET3_RING_SIZE_ALIGN */ + new_tx_ring_size = (param->tx_pending + VMXNET3_RING_SIZE_MASK) & + ~VMXNET3_RING_SIZE_MASK; + new_tx_ring_size = min_t(u32, new_tx_ring_size, + VMXNET3_TX_RING_MAX_SIZE); + if (new_tx_ring_size > VMXNET3_TX_RING_MAX_SIZE || (new_tx_ring_size % + VMXNET3_RING_SIZE_ALIGN) != 0) + return -EINVAL; + + /* ring0 has to be a multiple of + * rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN + */ + sz = adapter->rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN; + new_rx_ring_size = (param->rx_pending + sz - 1) / sz * sz; + new_rx_ring_size = min_t(u32, new_rx_ring_size, + VMXNET3_RX_RING_MAX_SIZE / sz * sz); + if (new_rx_ring_size > VMXNET3_RX_RING_MAX_SIZE || (new_rx_ring_size % + sz) != 0) + return -EINVAL; + + if (new_tx_ring_size == adapter->tx_queue.tx_ring.size && + new_rx_ring_size == adapter->rx_queue.rx_ring[0].size) { + return 0; + } + + /* + * Reset_work may be in the middle of resetting the device, wait for its + * completion. + */ + while (test_and_set_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state)) + msleep(1); + + if (netif_running(netdev)) { + vmxnet3_quiesce_dev(adapter); + vmxnet3_reset_dev(adapter); + + /* recreate the rx queue and the tx queue based on the + * new sizes */ + vmxnet3_tq_destroy(&adapter->tx_queue, adapter); + vmxnet3_rq_destroy(&adapter->rx_queue, adapter); + + err = vmxnet3_create_queues(adapter, new_tx_ring_size, + new_rx_ring_size, VMXNET3_DEF_RX_RING_SIZE); + if (err) { + /* failed, most likely because of OOM, try default + * size */ + printk(KERN_ERR "%s: failed to apply new sizes, try the" + " default ones\n", netdev->name); + err = vmxnet3_create_queues(adapter, + VMXNET3_DEF_TX_RING_SIZE, + VMXNET3_DEF_RX_RING_SIZE, + VMXNET3_DEF_RX_RING_SIZE); + if (err) { + printk(KERN_ERR "%s: failed to create queues " + "with default sizes. Closing it\n", + netdev->name); + goto out; + } + } + + err = vmxnet3_activate_dev(adapter); + if (err) + printk(KERN_ERR "%s: failed to re-activate, error %d." + " Closing it\n", netdev->name, err); + } + +out: + clear_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state); + if (err) + vmxnet3_force_close(adapter); + + return err; +} + + +static struct ethtool_ops vmxnet3_ethtool_ops = { + .get_settings = vmxnet3_get_settings, + .get_drvinfo = vmxnet3_get_drvinfo, + .get_regs_len = vmxnet3_get_regs_len, + .get_regs = vmxnet3_get_regs, + .get_wol = vmxnet3_get_wol, + .set_wol = vmxnet3_set_wol, + .get_link = ethtool_op_get_link, + .get_rx_csum = vmxnet3_get_rx_csum, + .set_rx_csum = vmxnet3_set_rx_csum, + .get_tx_csum = ethtool_op_get_tx_csum, + .set_tx_csum = ethtool_op_set_tx_hw_csum, + .get_sg = ethtool_op_get_sg, + .set_sg = ethtool_op_set_sg, + .get_tso = ethtool_op_get_tso, + .set_tso = ethtool_op_set_tso, + .get_strings = vmxnet3_get_strings, + .get_flags = vmxnet3_get_flags, + .set_flags = vmxnet3_set_flags, + .get_sset_count = vmxnet3_get_sset_count, + .get_ethtool_stats = vmxnet3_get_ethtool_stats, + .get_ringparam = vmxnet3_get_ringparam, + .set_ringparam = vmxnet3_set_ringparam, +}; + +void vmxnet3_set_ethtool_ops(struct net_device *netdev) +{ + SET_ETHTOOL_OPS(netdev, &vmxnet3_ethtool_ops); +} diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h new file mode 100644 index 00000000000..6bb91576e99 --- /dev/null +++ b/drivers/net/vmxnet3/vmxnet3_int.h @@ -0,0 +1,389 @@ +/* + * Linux driver for VMware's vmxnet3 ethernet NIC. + * + * Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved. + * + * 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 the + * Free Software Foundation; version 2 of the License and no later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * The full GNU General Public License is included in this distribution in + * the file called "COPYING". + * + * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com> + * + */ + +#ifndef _VMXNET3_INT_H +#define _VMXNET3_INT_H + +#include <linux/types.h> +#include <linux/ethtool.h> +#include <linux/delay.h> +#include <linux/netdevice.h> +#include <linux/pci.h> +#include <linux/ethtool.h> +#include <linux/compiler.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/slab.h> +#include <linux/spinlock.h> +#include <linux/ioport.h> +#include <linux/highmem.h> +#include <linux/init.h> +#include <linux/timer.h> +#include <linux/skbuff.h> +#include <linux/interrupt.h> +#include <linux/workqueue.h> +#include <linux/uaccess.h> +#include <asm/dma.h> +#include <asm/page.h> + +#include <linux/tcp.h> +#include <linux/udp.h> +#include <linux/ip.h> +#include <linux/ipv6.h> +#include <linux/in.h> +#include <linux/etherdevice.h> +#include <asm/checksum.h> +#include <linux/if_vlan.h> +#include <linux/if_arp.h> +#include <linux/inetdevice.h> +#include <linux/dst.h> + +#include "vmxnet3_defs.h" + +#ifdef DEBUG +# define VMXNET3_DRIVER_VERSION_REPORT VMXNET3_DRIVER_VERSION_STRING"-NAPI(debug)" +#else +# define VMXNET3_DRIVER_VERSION_REPORT VMXNET3_DRIVER_VERSION_STRING"-NAPI" +#endif + + +/* + * Version numbers + */ +#define VMXNET3_DRIVER_VERSION_STRING "1.0.5.0-k" + +/* a 32-bit int, each byte encode a verion number in VMXNET3_DRIVER_VERSION */ +#define VMXNET3_DRIVER_VERSION_NUM 0x01000500 + + +/* + * Capabilities + */ + +enum { + VMNET_CAP_SG = 0x0001, /* Can do scatter-gather transmits. */ + VMNET_CAP_IP4_CSUM = 0x0002, /* Can checksum only TCP/UDP over + * IPv4 */ + VMNET_CAP_HW_CSUM = 0x0004, /* Can checksum all packets. */ + VMNET_CAP_HIGH_DMA = 0x0008, /* Can DMA to high memory. */ + VMNET_CAP_TOE = 0x0010, /* Supports TCP/IP offload. */ + VMNET_CAP_TSO = 0x0020, /* Supports TCP Segmentation + * offload */ + VMNET_CAP_SW_TSO = 0x0040, /* Supports SW TCP Segmentation */ + VMNET_CAP_VMXNET_APROM = 0x0080, /* Vmxnet APROM support */ + VMNET_CAP_HW_TX_VLAN = 0x0100, /* Can we do VLAN tagging in HW */ + VMNET_CAP_HW_RX_VLAN = 0x0200, /* Can we do VLAN untagging in HW */ + VMNET_CAP_SW_VLAN = 0x0400, /* VLAN tagging/untagging in SW */ + VMNET_CAP_WAKE_PCKT_RCV = 0x0800, /* Can wake on network packet recv? */ + VMNET_CAP_ENABLE_INT_INLINE = 0x1000, /* Enable Interrupt Inline */ + VMNET_CAP_ENABLE_HEADER_COPY = 0x2000, /* copy header for vmkernel */ + VMNET_CAP_TX_CHAIN = 0x4000, /* Guest can use multiple tx entries + * for a pkt */ + VMNET_CAP_RX_CHAIN = 0x8000, /* pkt can span multiple rx entries */ + VMNET_CAP_LPD = 0x10000, /* large pkt delivery */ + VMNET_CAP_BPF = 0x20000, /* BPF Support in VMXNET Virtual HW*/ + VMNET_CAP_SG_SPAN_PAGES = 0x40000, /* Scatter-gather can span multiple*/ + /* pages transmits */ + VMNET_CAP_IP6_CSUM = 0x80000, /* Can do IPv6 csum offload. */ + VMNET_CAP_TSO6 = 0x100000, /* TSO seg. offload for IPv6 pkts. */ + VMNET_CAP_TSO256k = 0x200000, /* Can do TSO seg offload for */ + /* pkts up to 256kB. */ + VMNET_CAP_UPT = 0x400000 /* Support UPT */ +}; + +/* + * PCI vendor and device IDs. + */ +#define PCI_VENDOR_ID_VMWARE 0x15AD +#define PCI_DEVICE_ID_VMWARE_VMXNET3 0x07B0 +#define MAX_ETHERNET_CARDS 10 +#define MAX_PCI_PASSTHRU_DEVICE 6 + +struct vmxnet3_cmd_ring { + union Vmxnet3_GenericDesc *base; + u32 size; + u32 next2fill; + u32 next2comp; + u8 gen; + dma_addr_t basePA; +}; + +static inline void +vmxnet3_cmd_ring_adv_next2fill(struct vmxnet3_cmd_ring *ring) +{ + ring->next2fill++; + if (unlikely(ring->next2fill == ring->size)) { + ring->next2fill = 0; + VMXNET3_FLIP_RING_GEN(ring->gen); + } +} + +static inline void +vmxnet3_cmd_ring_adv_next2comp(struct vmxnet3_cmd_ring *ring) +{ + VMXNET3_INC_RING_IDX_ONLY(ring->next2comp, ring->size); +} + +static inline int +vmxnet3_cmd_ring_desc_avail(struct vmxnet3_cmd_ring *ring) +{ + return (ring->next2comp > ring->next2fill ? 0 : ring->size) + + ring->next2comp - ring->next2fill - 1; +} + +struct vmxnet3_comp_ring { + union Vmxnet3_GenericDesc *base; + u32 size; + u32 next2proc; + u8 gen; + u8 intr_idx; + dma_addr_t basePA; +}; + +static inline void +vmxnet3_comp_ring_adv_next2proc(struct vmxnet3_comp_ring *ring) +{ + ring->next2proc++; + if (unlikely(ring->next2proc == ring->size)) { + ring->next2proc = 0; + VMXNET3_FLIP_RING_GEN(ring->gen); + } +} + +struct vmxnet3_tx_data_ring { + struct Vmxnet3_TxDataDesc *base; + u32 size; + dma_addr_t basePA; +}; + +enum vmxnet3_buf_map_type { + VMXNET3_MAP_INVALID = 0, + VMXNET3_MAP_NONE, + VMXNET3_MAP_SINGLE, + VMXNET3_MAP_PAGE, +}; + +struct vmxnet3_tx_buf_info { + u32 map_type; + u16 len; + u16 sop_idx; + dma_addr_t dma_addr; + struct sk_buff *skb; +}; + +struct vmxnet3_tq_driver_stats { + u64 drop_total; /* # of pkts dropped by the driver, the + * counters below track droppings due to + * different reasons + */ + u64 drop_too_many_frags; + u64 drop_oversized_hdr; + u64 drop_hdr_inspect_err; + u64 drop_tso; + + u64 tx_ring_full; + u64 linearized; /* # of pkts linearized */ + u64 copy_skb_header; /* # of times we have to copy skb header */ + u64 oversized_hdr; +}; + +struct vmxnet3_tx_ctx { + bool ipv4; + u16 mss; + u32 eth_ip_hdr_size; /* only valid for pkts requesting tso or csum + * offloading + */ + u32 l4_hdr_size; /* only valid if mss != 0 */ + u32 copy_size; /* # of bytes copied into the data ring */ + union Vmxnet3_GenericDesc *sop_txd; + union Vmxnet3_GenericDesc *eop_txd; +}; + +struct vmxnet3_tx_queue { + spinlock_t tx_lock; + struct vmxnet3_cmd_ring tx_ring; + struct vmxnet3_tx_buf_info *buf_info; + struct vmxnet3_tx_data_ring data_ring; + struct vmxnet3_comp_ring comp_ring; + struct Vmxnet3_TxQueueCtrl *shared; + struct vmxnet3_tq_driver_stats stats; + bool stopped; + int num_stop; /* # of times the queue is + * stopped */ +} __attribute__((__aligned__(SMP_CACHE_BYTES))); + +enum vmxnet3_rx_buf_type { + VMXNET3_RX_BUF_NONE = 0, + VMXNET3_RX_BUF_SKB = 1, + VMXNET3_RX_BUF_PAGE = 2 +}; + +struct vmxnet3_rx_buf_info { + enum vmxnet3_rx_buf_type buf_type; + u16 len; + union { + struct sk_buff *skb; + struct page *page; + }; + dma_addr_t dma_addr; +}; + +struct vmxnet3_rx_ctx { + struct sk_buff *skb; + u32 sop_idx; +}; + +struct vmxnet3_rq_driver_stats { + u64 drop_total; + u64 drop_err; + u64 drop_fcs; + u64 rx_buf_alloc_failure; +}; + +struct vmxnet3_rx_queue { + struct vmxnet3_cmd_ring rx_ring[2]; + struct vmxnet3_comp_ring comp_ring; + struct vmxnet3_rx_ctx rx_ctx; + u32 qid; /* rqID in RCD for buffer from 1st ring */ + u32 qid2; /* rqID in RCD for buffer from 2nd ring */ + u32 uncommitted[2]; /* # of buffers allocated since last RXPROD + * update */ + struct vmxnet3_rx_buf_info *buf_info[2]; + struct Vmxnet3_RxQueueCtrl *shared; + struct vmxnet3_rq_driver_stats stats; +} __attribute__((__aligned__(SMP_CACHE_BYTES))); + +#define VMXNET3_LINUX_MAX_MSIX_VECT 1 + +struct vmxnet3_intr { + enum vmxnet3_intr_mask_mode mask_mode; + enum vmxnet3_intr_type type; /* MSI-X, MSI, or INTx? */ + u8 num_intrs; /* # of intr vectors */ + u8 event_intr_idx; /* idx of the intr vector for event */ + u8 mod_levels[VMXNET3_LINUX_MAX_MSIX_VECT]; /* moderation level */ +#ifdef CONFIG_PCI_MSI + struct msix_entry msix_entries[VMXNET3_LINUX_MAX_MSIX_VECT]; +#endif +}; + +#define VMXNET3_STATE_BIT_RESETTING 0 +#define VMXNET3_STATE_BIT_QUIESCED 1 +struct vmxnet3_adapter { + struct vmxnet3_tx_queue tx_queue; + struct vmxnet3_rx_queue rx_queue; + struct napi_struct napi; + struct vlan_group *vlan_grp; + + struct vmxnet3_intr intr; + + struct Vmxnet3_DriverShared *shared; + struct Vmxnet3_PMConf *pm_conf; + struct Vmxnet3_TxQueueDesc *tqd_start; /* first tx queue desc */ + struct Vmxnet3_RxQueueDesc *rqd_start; /* first rx queue desc */ + struct net_device *netdev; + struct pci_dev *pdev; + + u8 *hw_addr0; /* for BAR 0 */ + u8 *hw_addr1; /* for BAR 1 */ + + /* feature control */ + bool rxcsum; + bool lro; + bool jumbo_frame; + + /* rx buffer related */ + unsigned skb_buf_size; + int rx_buf_per_pkt; /* only apply to the 1st ring */ + dma_addr_t shared_pa; + dma_addr_t queue_desc_pa; + + /* Wake-on-LAN */ + u32 wol; + + /* Link speed */ + u32 link_speed; /* in mbps */ + + u64 tx_timeout_count; + struct work_struct work; + + unsigned long state; /* VMXNET3_STATE_BIT_xxx */ + + int dev_number; +}; + +#define VMXNET3_WRITE_BAR0_REG(adapter, reg, val) \ + writel((val), (adapter)->hw_addr0 + (reg)) +#define VMXNET3_READ_BAR0_REG(adapter, reg) \ + readl((adapter)->hw_addr0 + (reg)) + +#define VMXNET3_WRITE_BAR1_REG(adapter, reg, val) \ + writel((val), (adapter)->hw_addr1 + (reg)) +#define VMXNET3_READ_BAR1_REG(adapter, reg) \ + readl((adapter)->hw_addr1 + (reg)) + +#define VMXNET3_WAKE_QUEUE_THRESHOLD(tq) (5) +#define VMXNET3_RX_ALLOC_THRESHOLD(rq, ring_idx, adapter) \ + ((rq)->rx_ring[ring_idx].size >> 3) + +#define VMXNET3_GET_ADDR_LO(dma) ((u32)(dma)) +#define VMXNET3_GET_ADDR_HI(dma) ((u32)(((u64)(dma)) >> 32)) + +/* must be a multiple of VMXNET3_RING_SIZE_ALIGN */ +#define VMXNET3_DEF_TX_RING_SIZE 512 +#define VMXNET3_DEF_RX_RING_SIZE 256 + +#define VMXNET3_MAX_ETH_HDR_SIZE 22 +#define VMXNET3_MAX_SKB_BUF_SIZE (3*1024) + +int +vmxnet3_quiesce_dev(struct vmxnet3_adapter *adapter); + +int +vmxnet3_activate_dev(struct vmxnet3_adapter *adapter); + +void +vmxnet3_force_close(struct vmxnet3_adapter *adapter); + +void +vmxnet3_reset_dev(struct vmxnet3_adapter *adapter); + +void +vmxnet3_tq_destroy(struct vmxnet3_tx_queue *tq, + struct vmxnet3_adapter *adapter); + +void +vmxnet3_rq_destroy(struct vmxnet3_rx_queue *rq, + struct vmxnet3_adapter *adapter); + +int +vmxnet3_create_queues(struct vmxnet3_adapter *adapter, + u32 tx_ring_size, u32 rx_ring_size, u32 rx_ring2_size); + +extern void vmxnet3_set_ethtool_ops(struct net_device *netdev); +extern struct net_device_stats *vmxnet3_get_stats(struct net_device *netdev); + +extern char vmxnet3_driver_name[]; +#endif diff --git a/drivers/net/wan/hdlc_cisco.c b/drivers/net/wan/hdlc_cisco.c index cf5fd17ad70..f1bff98acd1 100644 --- a/drivers/net/wan/hdlc_cisco.c +++ b/drivers/net/wan/hdlc_cisco.c @@ -58,8 +58,7 @@ struct cisco_state { spinlock_t lock; unsigned long last_poll; int up; - int request_sent; - u32 txseq; /* TX sequence number */ + u32 txseq; /* TX sequence number, 0 = none */ u32 rxseq; /* RX sequence number */ }; @@ -163,6 +162,7 @@ static int cisco_rx(struct sk_buff *skb) struct cisco_packet *cisco_data; struct in_device *in_dev; __be32 addr, mask; + u32 ack; if (skb->len < sizeof(struct hdlc_header)) goto rx_error; @@ -223,8 +223,10 @@ static int cisco_rx(struct sk_buff *skb) case CISCO_KEEPALIVE_REQ: spin_lock(&st->lock); st->rxseq = ntohl(cisco_data->par1); - if (st->request_sent && - ntohl(cisco_data->par2) == st->txseq) { + ack = ntohl(cisco_data->par2); + if (ack && (ack == st->txseq || + /* our current REQ may be in transit */ + ack == st->txseq - 1)) { st->last_poll = jiffies; if (!st->up) { u32 sec, min, hrs, days; @@ -275,7 +277,6 @@ static void cisco_timer(unsigned long arg) cisco_keepalive_send(dev, CISCO_KEEPALIVE_REQ, htonl(++st->txseq), htonl(st->rxseq)); - st->request_sent = 1; spin_unlock(&st->lock); st->timer.expires = jiffies + st->settings.interval * HZ; @@ -293,9 +294,7 @@ static void cisco_start(struct net_device *dev) unsigned long flags; spin_lock_irqsave(&st->lock, flags); - st->up = 0; - st->request_sent = 0; - st->txseq = st->rxseq = 0; + st->up = st->txseq = st->rxseq = 0; spin_unlock_irqrestore(&st->lock, flags); init_timer(&st->timer); @@ -317,8 +316,7 @@ static void cisco_stop(struct net_device *dev) spin_lock_irqsave(&st->lock, flags); netif_dormant_on(dev); - st->up = 0; - st->request_sent = 0; + st->up = st->txseq = 0; spin_unlock_irqrestore(&st->lock, flags); } diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c index 892573b27d5..f4e9695ec18 100644 --- a/drivers/net/wireless/b43/xmit.c +++ b/drivers/net/wireless/b43/xmit.c @@ -690,7 +690,10 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr) } memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); + + local_bh_disable(); ieee80211_rx(dev->wl->hw, skb); + local_bh_enable(); #if B43_DEBUG dev->rx_count++; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 046b571fd9c..8d7bc38fe00 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -3156,8 +3156,8 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) out_pci_disable_device: pci_disable_device(pdev); out_ieee80211_free_hw: - ieee80211_free_hw(priv->hw); iwl_free_traffic_mem(priv); + ieee80211_free_hw(priv->hw); out: return err; } diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index ecbe036ecb6..c347d6631d8 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -4099,8 +4099,8 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e pci_set_drvdata(pdev, NULL); pci_disable_device(pdev); out_ieee80211_free_hw: - ieee80211_free_hw(priv->hw); iwl_free_traffic_mem(priv); + ieee80211_free_hw(priv->hw); out: return err; } diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c index 47d2b1909d6..9ee8bd11bda 100644 --- a/drivers/net/wireless/libertas/cmdresp.c +++ b/drivers/net/wireless/libertas/cmdresp.c @@ -3,6 +3,7 @@ * responses as well as events generated by firmware. */ #include <linux/delay.h> +#include <linux/sched.h> #include <linux/if_arp.h> #include <linux/netdevice.h> #include <asm/unaligned.h> diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 466859b285e..c75b960c8ac 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -1669,6 +1669,8 @@ void ieee80211_restart_hw(struct ieee80211_hw *hw); * to this function and ieee80211_rx_irqsafe() may not be mixed for a * single hardware. * + * Note that right now, this function must be called with softirqs disabled. + * * @hw: the hardware this frame came in on * @skb: the buffer to receive, owned by mac80211 after this call */ diff --git a/include/net/sock.h b/include/net/sock.h index 10669b01eea..1364428f53f 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -226,12 +226,12 @@ struct sock { #define sk_prot __sk_common.skc_prot #define sk_net __sk_common.skc_net kmemcheck_bitfield_begin(flags); - unsigned char sk_shutdown : 2, - sk_no_check : 2, - sk_userlocks : 4; + unsigned int sk_shutdown : 2, + sk_no_check : 2, + sk_userlocks : 4, + sk_protocol : 8, + sk_type : 16; kmemcheck_bitfield_end(flags); - unsigned char sk_protocol; - unsigned short sk_type; int sk_rcvbuf; socket_lock_t sk_lock; /* diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c index 624c3c9b3c2..e320afea07f 100644 --- a/net/ipv4/tcp_minisocks.c +++ b/net/ipv4/tcp_minisocks.c @@ -644,6 +644,7 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb, /* If TCP_DEFER_ACCEPT is set, drop bare ACK. */ if (inet_csk(sk)->icsk_accept_queue.rskq_defer_accept && TCP_SKB_CB(skb)->end_seq == tcp_rsk(req)->rcv_isn + 1) { + inet_csk(sk)->icsk_accept_queue.rskq_defer_accept--; inet_rsk(req)->acked = 1; return NULL; } diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 71e5353b30c..ee61b3fc4ca 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -845,6 +845,42 @@ out: return ret; } + +/** + * first_packet_length - return length of first packet in receive queue + * @sk: socket + * + * Drops all bad checksum frames, until a valid one is found. + * Returns the length of found skb, or 0 if none is found. + */ +static unsigned int first_packet_length(struct sock *sk) +{ + struct sk_buff_head list_kill, *rcvq = &sk->sk_receive_queue; + struct sk_buff *skb; + unsigned int res; + + __skb_queue_head_init(&list_kill); + + spin_lock_bh(&rcvq->lock); + while ((skb = skb_peek(rcvq)) != NULL && + udp_lib_checksum_complete(skb)) { + UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, + IS_UDPLITE(sk)); + __skb_unlink(skb, rcvq); + __skb_queue_tail(&list_kill, skb); + } + res = skb ? skb->len : 0; + spin_unlock_bh(&rcvq->lock); + + if (!skb_queue_empty(&list_kill)) { + lock_sock(sk); + __skb_queue_purge(&list_kill); + sk_mem_reclaim_partial(sk); + release_sock(sk); + } + return res; +} + /* * IOCTL requests applicable to the UDP protocol */ @@ -861,21 +897,16 @@ int udp_ioctl(struct sock *sk, int cmd, unsigned long arg) case SIOCINQ: { - struct sk_buff *skb; - unsigned long amount; + unsigned int amount = first_packet_length(sk); - amount = 0; - spin_lock_bh(&sk->sk_receive_queue.lock); - skb = skb_peek(&sk->sk_receive_queue); - if (skb != NULL) { + if (amount) /* * We will only return the amount * of this packet since that is all * that will be read. */ - amount = skb->len - sizeof(struct udphdr); - } - spin_unlock_bh(&sk->sk_receive_queue.lock); + amount -= sizeof(struct udphdr); + return put_user(amount, (int __user *)arg); } @@ -1544,29 +1575,11 @@ unsigned int udp_poll(struct file *file, struct socket *sock, poll_table *wait) { unsigned int mask = datagram_poll(file, sock, wait); struct sock *sk = sock->sk; - int is_lite = IS_UDPLITE(sk); /* Check for false positives due to checksum errors */ - if ((mask & POLLRDNORM) && - !(file->f_flags & O_NONBLOCK) && - !(sk->sk_shutdown & RCV_SHUTDOWN)) { - struct sk_buff_head *rcvq = &sk->sk_receive_queue; - struct sk_buff *skb; - - spin_lock_bh(&rcvq->lock); - while ((skb = skb_peek(rcvq)) != NULL && - udp_lib_checksum_complete(skb)) { - UDP_INC_STATS_BH(sock_net(sk), - UDP_MIB_INERRORS, is_lite); - __skb_unlink(skb, rcvq); - kfree_skb(skb); - } - spin_unlock_bh(&rcvq->lock); - - /* nothing to see, move along */ - if (skb == NULL) - mask &= ~(POLLIN | POLLRDNORM); - } + if ((mask & POLLRDNORM) && !(file->f_flags & O_NONBLOCK) && + !(sk->sk_shutdown & RCV_SHUTDOWN) && !first_packet_length(sk)) + mask &= ~(POLLIN | POLLRDNORM); return mask; diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index 920ec8792f4..6eaf6982343 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -544,7 +544,7 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata) "%pM\n", bss->cbss.bssid, ifibss->bssid); #endif /* CONFIG_MAC80211_IBSS_DEBUG */ - if (bss && memcmp(ifibss->bssid, bss->cbss.bssid, ETH_ALEN)) { + if (bss && !memcmp(ifibss->bssid, bss->cbss.bssid, ETH_ALEN)) { printk(KERN_DEBUG "%s: Selected IBSS BSSID %pM" " based on configured SSID\n", sdata->dev->name, bss->cbss.bssid); @@ -829,7 +829,7 @@ void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local) if (!sdata->u.ibss.ssid_len) continue; sdata->u.ibss.last_scan_completed = jiffies; - ieee80211_sta_find_ibss(sdata); + mod_timer(&sdata->u.ibss.timer, 0); } mutex_unlock(&local->iflist_mtx); } diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 865fbc09be1..7170bf4565a 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -2453,6 +2453,8 @@ void ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb) struct ieee80211_supported_band *sband; struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); + WARN_ON_ONCE(softirq_count() == 0); + if (WARN_ON(status->band < 0 || status->band >= IEEE80211_NUM_BANDS)) goto drop; diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c index 96c0ed115e2..6b0359a500e 100644 --- a/net/sched/act_pedit.c +++ b/net/sched/act_pedit.c @@ -34,7 +34,7 @@ static struct tcf_hashinfo pedit_hash_info = { }; static const struct nla_policy pedit_policy[TCA_PEDIT_MAX + 1] = { - [TCA_PEDIT_PARMS] = { .len = sizeof(struct tcf_pedit) }, + [TCA_PEDIT_PARMS] = { .len = sizeof(struct tc_pedit) }, }; static int tcf_pedit_init(struct nlattr *nla, struct nlattr *est, |