X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fnet%2Fchelsio%2Fcxgb2.c;h=fd5d821f3f2a3c550834b55988f4457fdd0e1392;hb=refs%2Fheads%2Fvserver;hp=349ebe783ed6b87892d242e679e5a9b210a51696;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/drivers/net/chelsio/cxgb2.c b/drivers/net/chelsio/cxgb2.c index 349ebe783..fd5d821f3 100644 --- a/drivers/net/chelsio/cxgb2.c +++ b/drivers/net/chelsio/cxgb2.c @@ -37,7 +37,6 @@ ****************************************************************************/ #include "common.h" -#include #include #include #include @@ -46,7 +45,6 @@ #include #include #include -#include #include #include @@ -55,36 +53,10 @@ #include "gmac.h" #include "cphy.h" #include "sge.h" +#include "tp.h" #include "espi.h" +#include "elmer0.h" -#ifdef work_struct -#include -#define INIT_WORK INIT_TQUEUE -#define schedule_work schedule_task -#define flush_scheduled_work flush_scheduled_tasks - -static inline void schedule_mac_stats_update(struct adapter *ap, int secs) -{ - mod_timer(&ap->stats_update_timer, jiffies + secs * HZ); -} - -static inline void cancel_mac_stats_update(struct adapter *ap) -{ - del_timer_sync(&ap->stats_update_timer); - flush_scheduled_tasks(); -} - -/* - * Stats update timer for 2.4. It schedules a task to do the actual update as - * we need to access MAC statistics in process context. - */ -static void mac_stats_timer(unsigned long data) -{ - struct adapter *ap = (struct adapter *)data; - - schedule_task(&ap->stats_update_task); -} -#else #include static inline void schedule_mac_stats_update(struct adapter *ap, int secs) @@ -96,7 +68,6 @@ static inline void cancel_mac_stats_update(struct adapter *ap) { cancel_delayed_work(&ap->stats_update_task); } -#endif #define MAX_CMDQ_ENTRIES 16384 #define MAX_CMDQ1_ENTRIES 1024 @@ -104,10 +75,9 @@ static inline void cancel_mac_stats_update(struct adapter *ap) #define MAX_RX_JUMBO_BUFFERS 16384 #define MAX_TX_BUFFERS_HIGH 16384U #define MAX_TX_BUFFERS_LOW 1536U +#define MAX_TX_BUFFERS 1460U #define MIN_FL_ENTRIES 32 -#define PORT_MASK ((1 << MAX_NPORTS) - 1) - #define DFLT_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | \ NETIF_MSG_TIMER | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP |\ NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR) @@ -124,9 +94,22 @@ MODULE_LICENSE("GPL"); static int dflt_msg_enable = DFLT_MSG_ENABLE; -MODULE_PARM(dflt_msg_enable, "i"); -MODULE_PARM_DESC(dflt_msg_enable, "Chelsio T1 message enable bitmap"); +module_param(dflt_msg_enable, int, 0); +MODULE_PARM_DESC(dflt_msg_enable, "Chelsio T1 default message enable bitmap"); +#define HCLOCK 0x0 +#define LCLOCK 0x1 + +/* T1 cards powersave mode */ +static int t1_clock(struct adapter *adapter, int mode); +static int t1powersave = 1; /* HW default is powersave mode. */ + +module_param(t1powersave, int, 0); +MODULE_PARM_DESC(t1powersave, "Enable/Disable T1 powersaving mode"); + +static int disable_msi = 0; +module_param(disable_msi, int, 0); +MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)"); static const char pci_speed[][4] = { "33", "66", "100", "133" @@ -150,7 +133,7 @@ static void t1_set_rxmode(struct net_device *dev) static void link_report(struct port_info *p) { if (!netif_carrier_ok(p->dev)) - printk(KERN_INFO "%s: link down\n", p->dev->name); + printk(KERN_INFO "%s: link down\n", p->dev->name); else { const char *s = "10Mbps"; @@ -160,13 +143,13 @@ static void link_report(struct port_info *p) case SPEED_100: s = "100Mbps"; break; } - printk(KERN_INFO "%s: link up, %s, %s-duplex\n", + printk(KERN_INFO "%s: link up, %s, %s-duplex\n", p->dev->name, s, p->link_config.duplex == DUPLEX_FULL ? "full" : "half"); } } -void t1_link_changed(struct adapter *adapter, int port_id, int link_stat, +void t1_link_negotiated(struct adapter *adapter, int port_id, int link_stat, int speed, int duplex, int pause) { struct port_info *p = &adapter->port[port_id]; @@ -178,6 +161,22 @@ void t1_link_changed(struct adapter *adapter, int port_id, int link_stat, netif_carrier_off(p->dev); link_report(p); + /* multi-ports: inform toe */ + if ((speed > 0) && (adapter->params.nports > 1)) { + unsigned int sched_speed = 10; + switch (speed) { + case SPEED_1000: + sched_speed = 1000; + break; + case SPEED_100: + sched_speed = 100; + break; + case SPEED_10: + sched_speed = 10; + break; + } + t1_sched_update_parms(adapter->sge, port_id, 0, sched_speed); + } } } @@ -196,8 +195,10 @@ static void link_start(struct port_info *p) static void enable_hw_csum(struct adapter *adapter) { if (adapter->flags & TSO_CAPABLE) - t1_tp_set_ip_checksum_offload(adapter, 1); /* for TSO only */ - t1_tp_set_tcp_checksum_offload(adapter, 1); + t1_tp_set_ip_checksum_offload(adapter->tp, 1); /* for TSO only */ + if (adapter->flags & UDP_CSUM_CAPABLE) + t1_tp_set_udp_checksum_offload(adapter->tp, 1); + t1_tp_set_tcp_checksum_offload(adapter->tp, 1); } /* @@ -218,11 +219,18 @@ static int cxgb_up(struct adapter *adapter) } t1_interrupts_clear(adapter); - if ((err = request_irq(adapter->pdev->irq, - t1_select_intr_handler(adapter), SA_SHIRQ, - adapter->name, adapter))) { + + adapter->params.has_msi = !disable_msi && !pci_enable_msi(adapter->pdev); + err = request_irq(adapter->pdev->irq, t1_interrupt, + adapter->params.has_msi ? 0 : IRQF_SHARED, + adapter->name, adapter); + if (err) { + if (adapter->params.has_msi) + pci_disable_msi(adapter->pdev); + goto out_err; } + t1_sge_start(adapter->sge); t1_interrupts_enable(adapter); out_err: @@ -237,6 +245,8 @@ static void cxgb_down(struct adapter *adapter) t1_sge_stop(adapter->sge); t1_interrupts_disable(adapter); free_irq(adapter->pdev->irq, adapter); + if (adapter->params.has_msi) + pci_disable_msi(adapter->pdev); } static int cxgb_open(struct net_device *dev) @@ -291,7 +301,7 @@ static struct net_device_stats *t1_get_stats(struct net_device *dev) /* Do a full update of the MAC stats */ pstats = p->mac->ops->statistics_update(p->mac, - MAC_STATS_UPDATE_FULL); + MAC_STATS_UPDATE_FULL); ns->tx_packets = pstats->TxUnicastFramesOK + pstats->TxMulticastFramesOK + pstats->TxBroadcastFramesOK; @@ -345,47 +355,53 @@ static void set_msglevel(struct net_device *dev, u32 val) } static char stats_strings[][ETH_GSTRING_LEN] = { - "TxOctetsOK", - "TxOctetsBad", - "TxUnicastFramesOK", - "TxMulticastFramesOK", - "TxBroadcastFramesOK", - "TxPauseFrames", - "TxFramesWithDeferredXmissions", - "TxLateCollisions", - "TxTotalCollisions", - "TxFramesAbortedDueToXSCollisions", - "TxUnderrun", - "TxLengthErrors", - "TxInternalMACXmitError", - "TxFramesWithExcessiveDeferral", - "TxFCSErrors", - - "RxOctetsOK", - "RxOctetsBad", - "RxUnicastFramesOK", - "RxMulticastFramesOK", - "RxBroadcastFramesOK", - "RxPauseFrames", - "RxFCSErrors", - "RxAlignErrors", - "RxSymbolErrors", - "RxDataErrors", - "RxSequenceErrors", - "RxRuntErrors", - "RxJabberErrors", - "RxInternalMACRcvError", - "RxInRangeLengthErrors", - "RxOutOfRangeLengthField", - "RxFrameTooLongErrors", - - "TSO", - "VLANextractions", - "VLANinsertions", + "TxOctetsOK", + "TxOctetsBad", + "TxUnicastFramesOK", + "TxMulticastFramesOK", + "TxBroadcastFramesOK", + "TxPauseFrames", + "TxFramesWithDeferredXmissions", + "TxLateCollisions", + "TxTotalCollisions", + "TxFramesAbortedDueToXSCollisions", + "TxUnderrun", + "TxLengthErrors", + "TxInternalMACXmitError", + "TxFramesWithExcessiveDeferral", + "TxFCSErrors", + + "RxOctetsOK", + "RxOctetsBad", + "RxUnicastFramesOK", + "RxMulticastFramesOK", + "RxBroadcastFramesOK", + "RxPauseFrames", + "RxFCSErrors", + "RxAlignErrors", + "RxSymbolErrors", + "RxDataErrors", + "RxSequenceErrors", + "RxRuntErrors", + "RxJabberErrors", + "RxInternalMACRcvError", + "RxInRangeLengthErrors", + "RxOutOfRangeLengthField", + "RxFrameTooLongErrors", + + /* Port stats */ + "RxPackets", "RxCsumGood", + "TxPackets", "TxCsumOffload", - "RxDrops" - + "TxTso", + "RxVlan", + "TxVlan", + + /* Interrupt stats */ + "rx drops", + "pure_rsps", + "unhandled irqs", "respQ_empty", "respQ_overflow", "freelistQ_empty", @@ -393,11 +409,7 @@ static char stats_strings[][ETH_GSTRING_LEN] = { "pkt_mismatch", "cmdQ_full0", "cmdQ_full1", - "tx_ipfrags", - "tx_reg_pkts", - "tx_lso_pkts", - "tx_do_cksum", - + "espi_DIP2ParityErr", "espi_DIP4Err", "espi_RxDrops", @@ -405,7 +417,7 @@ static char stats_strings[][ETH_GSTRING_LEN] = { "espi_RxOvfl", "espi_ParityErr" }; - + #define T2_REGMAP_SIZE (3 * 1024) static int get_regs_len(struct net_device *dev) @@ -440,65 +452,77 @@ static void get_stats(struct net_device *dev, struct ethtool_stats *stats, struct adapter *adapter = dev->priv; struct cmac *mac = adapter->port[dev->if_port].mac; const struct cmac_statistics *s; - const struct sge_port_stats *ss; const struct sge_intr_counts *t; + struct sge_port_stats ss; s = mac->ops->statistics_update(mac, MAC_STATS_UPDATE_FULL); - ss = t1_sge_get_port_stats(adapter->sge, dev->if_port); - t = t1_sge_get_intr_counts(adapter->sge); - *data++ = s->TxOctetsOK; - *data++ = s->TxOctetsBad; - *data++ = s->TxUnicastFramesOK; - *data++ = s->TxMulticastFramesOK; - *data++ = s->TxBroadcastFramesOK; - *data++ = s->TxPauseFrames; - *data++ = s->TxFramesWithDeferredXmissions; - *data++ = s->TxLateCollisions; - *data++ = s->TxTotalCollisions; - *data++ = s->TxFramesAbortedDueToXSCollisions; - *data++ = s->TxUnderrun; - *data++ = s->TxLengthErrors; - *data++ = s->TxInternalMACXmitError; - *data++ = s->TxFramesWithExcessiveDeferral; - *data++ = s->TxFCSErrors; - - *data++ = s->RxOctetsOK; - *data++ = s->RxOctetsBad; - *data++ = s->RxUnicastFramesOK; - *data++ = s->RxMulticastFramesOK; - *data++ = s->RxBroadcastFramesOK; - *data++ = s->RxPauseFrames; - *data++ = s->RxFCSErrors; - *data++ = s->RxAlignErrors; - *data++ = s->RxSymbolErrors; - *data++ = s->RxDataErrors; - *data++ = s->RxSequenceErrors; - *data++ = s->RxRuntErrors; - *data++ = s->RxJabberErrors; - *data++ = s->RxInternalMACRcvError; - *data++ = s->RxInRangeLengthErrors; - *data++ = s->RxOutOfRangeLengthField; - *data++ = s->RxFrameTooLongErrors; - - *data++ = ss->tso; - *data++ = ss->vlan_xtract; - *data++ = ss->vlan_insert; - *data++ = ss->rx_cso_good; - *data++ = ss->tx_cso; - *data++ = ss->rx_drops; - - *data++ = (u64)t->respQ_empty; - *data++ = (u64)t->respQ_overflow; - *data++ = (u64)t->freelistQ_empty; - *data++ = (u64)t->pkt_too_big; - *data++ = (u64)t->pkt_mismatch; - *data++ = (u64)t->cmdQ_full[0]; - *data++ = (u64)t->cmdQ_full[1]; - *data++ = (u64)t->tx_ipfrags; - *data++ = (u64)t->tx_reg_pkts; - *data++ = (u64)t->tx_lso_pkts; - *data++ = (u64)t->tx_do_cksum; + *data++ = s->TxOctetsOK; + *data++ = s->TxOctetsBad; + *data++ = s->TxUnicastFramesOK; + *data++ = s->TxMulticastFramesOK; + *data++ = s->TxBroadcastFramesOK; + *data++ = s->TxPauseFrames; + *data++ = s->TxFramesWithDeferredXmissions; + *data++ = s->TxLateCollisions; + *data++ = s->TxTotalCollisions; + *data++ = s->TxFramesAbortedDueToXSCollisions; + *data++ = s->TxUnderrun; + *data++ = s->TxLengthErrors; + *data++ = s->TxInternalMACXmitError; + *data++ = s->TxFramesWithExcessiveDeferral; + *data++ = s->TxFCSErrors; + + *data++ = s->RxOctetsOK; + *data++ = s->RxOctetsBad; + *data++ = s->RxUnicastFramesOK; + *data++ = s->RxMulticastFramesOK; + *data++ = s->RxBroadcastFramesOK; + *data++ = s->RxPauseFrames; + *data++ = s->RxFCSErrors; + *data++ = s->RxAlignErrors; + *data++ = s->RxSymbolErrors; + *data++ = s->RxDataErrors; + *data++ = s->RxSequenceErrors; + *data++ = s->RxRuntErrors; + *data++ = s->RxJabberErrors; + *data++ = s->RxInternalMACRcvError; + *data++ = s->RxInRangeLengthErrors; + *data++ = s->RxOutOfRangeLengthField; + *data++ = s->RxFrameTooLongErrors; + + t1_sge_get_port_stats(adapter->sge, dev->if_port, &ss); + *data++ = ss.rx_packets; + *data++ = ss.rx_cso_good; + *data++ = ss.tx_packets; + *data++ = ss.tx_cso; + *data++ = ss.tx_tso; + *data++ = ss.vlan_xtract; + *data++ = ss.vlan_insert; + + t = t1_sge_get_intr_counts(adapter->sge); + *data++ = t->rx_drops; + *data++ = t->pure_rsps; + *data++ = t->unhandled_irqs; + *data++ = t->respQ_empty; + *data++ = t->respQ_overflow; + *data++ = t->freelistQ_empty; + *data++ = t->pkt_too_big; + *data++ = t->pkt_mismatch; + *data++ = t->cmdQ_full[0]; + *data++ = t->cmdQ_full[1]; + + if (adapter->espi) { + const struct espi_intr_counts *e; + + e = t1_espi_get_intr_counts(adapter->espi); + *data++ = e->DIP2_parity_err; + *data++ = e->DIP4_err; + *data++ = e->rx_drops; + *data++ = e->tx_drops; + *data++ = e->rx_ovflw; + *data++ = e->parity_err; + } } static inline void reg_block_dump(struct adapter *ap, void *buf, @@ -522,6 +546,15 @@ static void get_regs(struct net_device *dev, struct ethtool_regs *regs, memset(buf, 0, T2_REGMAP_SIZE); reg_block_dump(ap, buf, 0, A_SG_RESPACCUTIMER); + reg_block_dump(ap, buf, A_MC3_CFG, A_MC4_INT_CAUSE); + reg_block_dump(ap, buf, A_TPI_ADDR, A_TPI_PAR); + reg_block_dump(ap, buf, A_TP_IN_CONFIG, A_TP_TX_DROP_COUNT); + reg_block_dump(ap, buf, A_RAT_ROUTE_CONTROL, A_RAT_INTR_CAUSE); + reg_block_dump(ap, buf, A_CSPI_RX_AE_WM, A_CSPI_INTR_ENABLE); + reg_block_dump(ap, buf, A_ESPI_SCH_TOKEN0, A_ESPI_GOSTAT); + reg_block_dump(ap, buf, A_ULP_ULIMIT, A_ULP_PIO_CTRL); + reg_block_dump(ap, buf, A_PL_ENABLE, A_PL_CAUSE); + reg_block_dump(ap, buf, A_MC5_CONFIG, A_MC5_MASK_WRITE_CMD); } static int get_settings(struct net_device *dev, struct ethtool_cmd *cmd) @@ -540,12 +573,12 @@ static int get_settings(struct net_device *dev, struct ethtool_cmd *cmd) cmd->duplex = -1; } - cmd->port = (cmd->supported & SUPPORTED_TP) ? PORT_TP : PORT_FIBRE; - cmd->phy_address = p->phy->addr; - cmd->transceiver = XCVR_EXTERNAL; - cmd->autoneg = p->link_config.autoneg; - cmd->maxtxpkt = 0; - cmd->maxrxpkt = 0; + cmd->port = (cmd->supported & SUPPORTED_TP) ? PORT_TP : PORT_FIBRE; + cmd->phy_address = p->phy->addr; + cmd->transceiver = XCVR_EXTERNAL; + cmd->autoneg = p->link_config.autoneg; + cmd->maxtxpkt = 0; + cmd->maxrxpkt = 0; return 0; } @@ -716,7 +749,7 @@ static int set_sge_param(struct net_device *dev, struct ethtool_ringparam *e) return -EINVAL; if (adapter->flags & FULL_INIT_DONE) - return -EBUSY; + return -EBUSY; adapter->params.sge.freelQ_size[!jumbo_fl] = e->rx_pending; adapter->params.sge.freelQ_size[jumbo_fl] = e->rx_jumbo_pending; @@ -730,18 +763,7 @@ static int set_coalesce(struct net_device *dev, struct ethtool_coalesce *c) { struct adapter *adapter = dev->priv; - /* - * If RX coalescing is requested we use NAPI, otherwise interrupts. - * This choice can be made only when all ports and the TOE are off. - */ - if (adapter->open_device_map == 0) - adapter->params.sge.polling = c->use_adaptive_rx_coalesce; - - if (adapter->params.sge.polling) { - adapter->params.sge.rx_coalesce_usecs = 0; - } else { - adapter->params.sge.rx_coalesce_usecs = c->rx_coalesce_usecs; - } + adapter->params.sge.rx_coalesce_usecs = c->rx_coalesce_usecs; adapter->params.sge.coalesce_enable = c->use_adaptive_rx_coalesce; adapter->params.sge.sample_interval_usecs = c->rate_sample_interval; t1_sge_set_coalesce_params(adapter->sge, &adapter->params.sge); @@ -760,7 +782,9 @@ static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c) static int get_eeprom_len(struct net_device *dev) { - return EEPROM_SIZE; + struct adapter *adapter = dev->priv; + + return t1_is_asic(adapter) ? EEPROM_SIZE : 0; } #define EEPROM_MAGIC(ap) \ @@ -780,7 +804,7 @@ static int get_eeprom(struct net_device *dev, struct ethtool_eeprom *e, return 0; } -static struct ethtool_ops t1_ethtool_ops = { +static const struct ethtool_ops t1_ethtool_ops = { .get_settings = get_settings, .set_settings = set_settings, .get_drvinfo = get_drvinfo, @@ -810,47 +834,36 @@ static struct ethtool_ops t1_ethtool_ops = { .set_tso = set_tso, }; -static void cxgb_proc_cleanup(struct adapter *adapter, - struct proc_dir_entry *dir) -{ - const char *name; - name = adapter->name; - remove_proc_entry(name, dir); -} -//#define chtoe_setup_toedev(adapter) NULL -#define update_mtu_tab(adapter) -#define write_smt_entry(adapter, idx) - static int t1_ioctl(struct net_device *dev, struct ifreq *req, int cmd) { - struct adapter *adapter = dev->priv; - struct mii_ioctl_data *data = if_mii(req); + struct adapter *adapter = dev->priv; + struct mii_ioctl_data *data = if_mii(req); switch (cmd) { - case SIOCGMIIPHY: - data->phy_id = adapter->port[dev->if_port].phy->addr; - /* FALLTHRU */ - case SIOCGMIIREG: { + case SIOCGMIIPHY: + data->phy_id = adapter->port[dev->if_port].phy->addr; + /* FALLTHRU */ + case SIOCGMIIREG: { struct cphy *phy = adapter->port[dev->if_port].phy; u32 val; if (!phy->mdio_read) - return -EOPNOTSUPP; + return -EOPNOTSUPP; phy->mdio_read(adapter, data->phy_id, 0, data->reg_num & 0x1f, &val); - data->val_out = val; - break; + data->val_out = val; + break; } - case SIOCSMIIREG: { + case SIOCSMIIREG: { struct cphy *phy = adapter->port[dev->if_port].phy; - if (!capable(CAP_NET_ADMIN)) - return -EPERM; + if (!capable(CAP_NET_ADMIN)) + return -EPERM; if (!phy->mdio_write) - return -EOPNOTSUPP; + return -EOPNOTSUPP; phy->mdio_write(adapter, data->phy_id, 0, data->reg_num & 0x1f, data->val_in); - break; + break; } default: @@ -866,9 +879,9 @@ static int t1_change_mtu(struct net_device *dev, int new_mtu) struct cmac *mac = adapter->port[dev->if_port].mac; if (!mac->ops->set_mtu) - return -EOPNOTSUPP; + return -EOPNOTSUPP; if (new_mtu < 68) - return -EINVAL; + return -EINVAL; if ((ret = mac->ops->set_mtu(mac, new_mtu))) return ret; dev->mtu = new_mtu; @@ -919,7 +932,7 @@ static void t1_netpoll(struct net_device *dev) struct adapter *adapter = dev->priv; local_irq_save(flags); - t1_select_intr_handler(adapter)(adapter->pdev->irq, adapter, NULL); + t1_interrupt(adapter->pdev->irq, adapter); local_irq_restore(flags); } #endif @@ -928,10 +941,11 @@ static void t1_netpoll(struct net_device *dev) * Periodic accumulation of MAC statistics. This is used only if the MAC * does not have any other way to prevent stats counter overflow. */ -static void mac_stats_task(void *data) +static void mac_stats_task(struct work_struct *work) { int i; - struct adapter *adapter = data; + struct adapter *adapter = + container_of(work, struct adapter, stats_update_task.work); for_each_port(adapter, i) { struct port_info *p = &adapter->port[i]; @@ -952,18 +966,19 @@ static void mac_stats_task(void *data) /* * Processes elmer0 external interrupts in process context. */ -static void ext_intr_task(void *data) +static void ext_intr_task(struct work_struct *work) { - struct adapter *adapter = data; + struct adapter *adapter = + container_of(work, struct adapter, ext_intr_handler_task); - elmer0_ext_intr_handler(adapter); + t1_elmer0_ext_intr_handler(adapter); /* Now reenable external interrupts */ spin_lock_irq(&adapter->async_lock); adapter->slow_intr_mask |= F_PL_INTR_EXT; writel(F_PL_INTR_EXT, adapter->regs + A_PL_CAUSE); writel(adapter->slow_intr_mask | F_PL_INTR_SGE_DATA, - adapter->regs + A_PL_ENABLE); + adapter->regs + A_PL_ENABLE); spin_unlock_irq(&adapter->async_lock); } @@ -979,7 +994,7 @@ void t1_elmer0_ext_intr(struct adapter *adapter) */ adapter->slow_intr_mask &= ~F_PL_INTR_EXT; writel(adapter->slow_intr_mask | F_PL_INTR_SGE_DATA, - adapter->regs + A_PL_ENABLE); + adapter->regs + A_PL_ENABLE); schedule_work(&adapter->ext_intr_handler_task); } @@ -1012,7 +1027,7 @@ static int __devinit init_one(struct pci_dev *pdev, err = pci_enable_device(pdev); if (err) - return err; + return err; if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { CH_ERR("%s: cannot find PCI device memory base address\n", @@ -1044,7 +1059,7 @@ static int __devinit init_one(struct pci_dev *pdev, pci_set_master(pdev); - mmio_start = pci_resource_start(pdev, 0); + mmio_start = pci_resource_start(pdev, 0); mmio_len = pci_resource_len(pdev, 0); bi = t1_get_board_info(ent->driver_data); @@ -1082,21 +1097,15 @@ static int __devinit init_one(struct pci_dev *pdev, adapter->msg_enable = dflt_msg_enable; adapter->mmio_len = mmio_len; - init_MUTEX(&adapter->mib_mutex); spin_lock_init(&adapter->tpi_lock); spin_lock_init(&adapter->work_lock); spin_lock_init(&adapter->async_lock); + spin_lock_init(&adapter->mac_lock); INIT_WORK(&adapter->ext_intr_handler_task, - ext_intr_task, adapter); - INIT_WORK(&adapter->stats_update_task, mac_stats_task, - adapter); -#ifdef work_struct - init_timer(&adapter->stats_update_timer); - adapter->stats_update_timer.function = mac_stats_timer; - adapter->stats_update_timer.data = - (unsigned long)adapter; -#endif + ext_intr_task); + INIT_DELAYED_WORK(&adapter->stats_update_task, + mac_stats_task); pci_set_drvdata(pdev, netdev); } @@ -1123,16 +1132,19 @@ static int __devinit init_one(struct pci_dev *pdev, netdev->vlan_rx_register = vlan_rx_register; netdev->vlan_rx_kill_vid = vlan_rx_kill_vid; #endif - adapter->flags |= TSO_CAPABLE; - netdev->features |= NETIF_F_TSO; + + /* T204: disable TSO */ + if (!(is_T2(adapter)) || bi->port_number != 4) { + adapter->flags |= TSO_CAPABLE; + netdev->features |= NETIF_F_TSO; + } } netdev->open = cxgb_open; netdev->stop = cxgb_close; netdev->hard_start_xmit = t1_start_xmit; netdev->hard_header_len += (adapter->flags & TSO_CAPABLE) ? - sizeof(struct cpl_tx_pkt_lso) : - sizeof(struct cpl_tx_pkt); + sizeof(struct cpl_tx_pkt_lso) : sizeof(struct cpl_tx_pkt); netdev->get_stats = t1_get_stats; netdev->set_multicast_list = t1_set_rxmode; netdev->do_ioctl = t1_ioctl; @@ -1141,9 +1153,12 @@ static int __devinit init_one(struct pci_dev *pdev, #ifdef CONFIG_NET_POLL_CONTROLLER netdev->poll_controller = t1_netpoll; #endif +#ifdef CONFIG_CHELSIO_T1_NAPI netdev->weight = 64; + netdev->poll = t1_poll; +#endif - SET_ETHTOOL_OPS(netdev, &t1_ethtool_ops); + SET_ETHTOOL_OPS(netdev, &t1_ethtool_ops); } if (t1_init_sw_modules(adapter, bi) < 0) { @@ -1170,7 +1185,7 @@ static int __devinit init_one(struct pci_dev *pdev, if (!adapter->registered_device_map) adapter->name = adapter->port[i].dev->name; - __set_bit(i, &adapter->registered_device_map); + __set_bit(i, &adapter->registered_device_map); } } if (!adapter->registered_device_map) { @@ -1183,18 +1198,28 @@ static int __devinit init_one(struct pci_dev *pdev, bi->desc, adapter->params.chip_revision, adapter->params.pci.is_pcix ? "PCIX" : "PCI", adapter->params.pci.speed, adapter->params.pci.width); + + /* + * Set the T1B ASIC and memory clocks. + */ + if (t1powersave) + adapter->t1powersave = LCLOCK; /* HW default is powersave mode. */ + else + adapter->t1powersave = HCLOCK; + if (t1_is_T1B(adapter)) + t1_clock(adapter, t1powersave); + return 0; out_release_adapter_res: t1_free_sw_modules(adapter); out_free_dev: if (adapter) { - if (adapter->regs) iounmap(adapter->regs); + if (adapter->regs) + iounmap(adapter->regs); for (i = bi->port_number - 1; i >= 0; --i) - if (adapter->port[i].dev) { - cxgb_proc_cleanup(adapter, proc_root_driver); - kfree(adapter->port[i].dev); - } + if (adapter->port[i].dev) + free_netdev(adapter->port[i].dev); } pci_release_regions(pdev); out_disable_pdev: @@ -1203,6 +1228,155 @@ static int __devinit init_one(struct pci_dev *pdev, return err; } +static void bit_bang(struct adapter *adapter, int bitdata, int nbits) +{ + int data; + int i; + u32 val; + + enum { + S_CLOCK = 1 << 3, + S_DATA = 1 << 4 + }; + + for (i = (nbits - 1); i > -1; i--) { + + udelay(50); + + data = ((bitdata >> i) & 0x1); + __t1_tpi_read(adapter, A_ELMER0_GPO, &val); + + if (data) + val |= S_DATA; + else + val &= ~S_DATA; + + udelay(50); + + /* Set SCLOCK low */ + val &= ~S_CLOCK; + __t1_tpi_write(adapter, A_ELMER0_GPO, val); + + udelay(50); + + /* Write SCLOCK high */ + val |= S_CLOCK; + __t1_tpi_write(adapter, A_ELMER0_GPO, val); + + } +} + +static int t1_clock(struct adapter *adapter, int mode) +{ + u32 val; + int M_CORE_VAL; + int M_MEM_VAL; + + enum { + M_CORE_BITS = 9, + T_CORE_VAL = 0, + T_CORE_BITS = 2, + N_CORE_VAL = 0, + N_CORE_BITS = 2, + M_MEM_BITS = 9, + T_MEM_VAL = 0, + T_MEM_BITS = 2, + N_MEM_VAL = 0, + N_MEM_BITS = 2, + NP_LOAD = 1 << 17, + S_LOAD_MEM = 1 << 5, + S_LOAD_CORE = 1 << 6, + S_CLOCK = 1 << 3 + }; + + if (!t1_is_T1B(adapter)) + return -ENODEV; /* Can't re-clock this chip. */ + + if (mode & 2) { + return 0; /* show current mode. */ + } + + if ((adapter->t1powersave & 1) == (mode & 1)) + return -EALREADY; /* ASIC already running in mode. */ + + if ((mode & 1) == HCLOCK) { + M_CORE_VAL = 0x14; + M_MEM_VAL = 0x18; + adapter->t1powersave = HCLOCK; /* overclock */ + } else { + M_CORE_VAL = 0xe; + M_MEM_VAL = 0x10; + adapter->t1powersave = LCLOCK; /* underclock */ + } + + /* Don't interrupt this serial stream! */ + spin_lock(&adapter->tpi_lock); + + /* Initialize for ASIC core */ + __t1_tpi_read(adapter, A_ELMER0_GPO, &val); + val |= NP_LOAD; + udelay(50); + __t1_tpi_write(adapter, A_ELMER0_GPO, val); + udelay(50); + __t1_tpi_read(adapter, A_ELMER0_GPO, &val); + val &= ~S_LOAD_CORE; + val &= ~S_CLOCK; + __t1_tpi_write(adapter, A_ELMER0_GPO, val); + udelay(50); + + /* Serial program the ASIC clock synthesizer */ + bit_bang(adapter, T_CORE_VAL, T_CORE_BITS); + bit_bang(adapter, N_CORE_VAL, N_CORE_BITS); + bit_bang(adapter, M_CORE_VAL, M_CORE_BITS); + udelay(50); + + /* Finish ASIC core */ + __t1_tpi_read(adapter, A_ELMER0_GPO, &val); + val |= S_LOAD_CORE; + udelay(50); + __t1_tpi_write(adapter, A_ELMER0_GPO, val); + udelay(50); + __t1_tpi_read(adapter, A_ELMER0_GPO, &val); + val &= ~S_LOAD_CORE; + udelay(50); + __t1_tpi_write(adapter, A_ELMER0_GPO, val); + udelay(50); + + /* Initialize for memory */ + __t1_tpi_read(adapter, A_ELMER0_GPO, &val); + val |= NP_LOAD; + udelay(50); + __t1_tpi_write(adapter, A_ELMER0_GPO, val); + udelay(50); + __t1_tpi_read(adapter, A_ELMER0_GPO, &val); + val &= ~S_LOAD_MEM; + val &= ~S_CLOCK; + udelay(50); + __t1_tpi_write(adapter, A_ELMER0_GPO, val); + udelay(50); + + /* Serial program the memory clock synthesizer */ + bit_bang(adapter, T_MEM_VAL, T_MEM_BITS); + bit_bang(adapter, N_MEM_VAL, N_MEM_BITS); + bit_bang(adapter, M_MEM_VAL, M_MEM_BITS); + udelay(50); + + /* Finish memory */ + __t1_tpi_read(adapter, A_ELMER0_GPO, &val); + val |= S_LOAD_MEM; + udelay(50); + __t1_tpi_write(adapter, A_ELMER0_GPO, val); + udelay(50); + __t1_tpi_read(adapter, A_ELMER0_GPO, &val); + val &= ~S_LOAD_MEM; + udelay(50); + __t1_tpi_write(adapter, A_ELMER0_GPO, val); + + spin_unlock(&adapter->tpi_lock); + + return 0; +} + static inline void t1_sw_reset(struct pci_dev *pdev) { pci_write_config_dword(pdev, A_PCICFG_PM_CSR, 3); @@ -1224,10 +1398,9 @@ static void __devexit remove_one(struct pci_dev *pdev) t1_free_sw_modules(adapter); iounmap(adapter->regs); while (--i >= 0) - if (adapter->port[i].dev) { - cxgb_proc_cleanup(adapter, proc_root_driver); - kfree(adapter->port[i].dev); - } + if (adapter->port[i].dev) + free_netdev(adapter->port[i].dev); + pci_release_regions(pdev); pci_disable_device(pdev); pci_set_drvdata(pdev, NULL); @@ -1244,7 +1417,7 @@ static struct pci_driver driver = { static int __init t1_init_module(void) { - return pci_module_init(&driver); + return pci_register_driver(&driver); } static void __exit t1_cleanup_module(void)