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path: root/drivers/net/chelsio/cxgb2.c
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Diffstat (limited to 'drivers/net/chelsio/cxgb2.c')
-rw-r--r--drivers/net/chelsio/cxgb2.c591
1 files changed, 386 insertions, 205 deletions
diff --git a/drivers/net/chelsio/cxgb2.c b/drivers/net/chelsio/cxgb2.c
index ad7ff9641a7..53bec673981 100644
--- a/drivers/net/chelsio/cxgb2.c
+++ b/drivers/net/chelsio/cxgb2.c
@@ -45,7 +45,6 @@
#include <linux/if_vlan.h>
#include <linux/mii.h>
#include <linux/sockios.h>
-#include <linux/proc_fs.h>
#include <linux/dma-mapping.h>
#include <asm/uaccess.h>
@@ -54,36 +53,10 @@
#include "gmac.h"
#include "cphy.h"
#include "sge.h"
+#include "tp.h"
#include "espi.h"
+#include "elmer0.h"
-#ifdef work_struct
-#include <linux/tqueue.h>
-#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 <linux/workqueue.h>
static inline void schedule_mac_stats_update(struct adapter *ap, int secs)
@@ -95,7 +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
@@ -103,10 +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)
@@ -124,8 +95,21 @@ MODULE_LICENSE("GPL");
static int dflt_msg_enable = DFLT_MSG_ENABLE;
module_param(dflt_msg_enable, int, 0);
-MODULE_PARM_DESC(dflt_msg_enable, "Chelsio T1 message enable bitmap");
+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"
@@ -149,7 +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";
@@ -159,13 +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];
@@ -177,6 +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);
+ }
}
}
@@ -195,8 +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);
}
/*
@@ -217,11 +219,19 @@ static int cxgb_up(struct adapter *adapter)
}
t1_interrupts_clear(adapter);
- if ((err = request_irq(adapter->pdev->irq,
- t1_select_intr_handler(adapter), IRQF_SHARED,
- adapter->name, adapter))) {
+
+ adapter->params.has_msi = !disable_msi && pci_enable_msi(adapter->pdev) == 0;
+ err = request_irq(adapter->pdev->irq,
+ t1_select_intr_handler(adapter),
+ 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:
@@ -236,6 +246,8 @@ 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)
@@ -290,7 +302,7 @@ 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;
@@ -344,47 +356,53 @@ 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",
@@ -392,11 +410,7 @@ 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",
@@ -404,7 +418,7 @@ 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)
@@ -439,65 +453,77 @@ 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,
@@ -521,6 +547,15 @@ 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)
@@ -539,12 +574,12 @@ 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;
}
@@ -715,7 +750,7 @@ 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;
@@ -759,7 +794,9 @@ 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) \
@@ -809,47 +846,36 @@ static const 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:
@@ -865,9 +891,9 @@ 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;
@@ -918,7 +944,7 @@ 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);
+ t1_select_intr_handler(adapter)(adapter->pdev->irq, adapter);
local_irq_restore(flags);
}
#endif
@@ -955,14 +981,14 @@ static void ext_intr_task(void *data)
{
struct adapter *adapter = data;
- 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);
}
@@ -978,7 +1004,7 @@ 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);
}
@@ -1011,7 +1037,7 @@ 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",
@@ -1043,7 +1069,7 @@ 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);
@@ -1081,21 +1107,15 @@ 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
pci_set_drvdata(pdev, netdev);
}
@@ -1122,16 +1142,19 @@ 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;
@@ -1142,7 +1165,7 @@ static int __devinit init_one(struct pci_dev *pdev,
#endif
netdev->weight = 64;
- SET_ETHTOOL_OPS(netdev, &t1_ethtool_ops);
+ SET_ETHTOOL_OPS(netdev, &t1_ethtool_ops);
}
if (t1_init_sw_modules(adapter, bi) < 0) {
@@ -1169,7 +1192,7 @@ 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) {
@@ -1182,18 +1205,28 @@ 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:
@@ -1202,6 +1235,155 @@ 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);
@@ -1223,10 +1405,9 @@ 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);