}
}
+/**
+ * t3_os_phymod_changed - handle PHY module changes
+ * @phy: the PHY reporting the module change
+ * @mod_type: new module type
+ *
+ * This is the OS-dependent handler for PHY module changes. It is
+ * invoked when a PHY module is removed or inserted for any OS-specific
+ * processing.
+ */
+void t3_os_phymod_changed(struct adapter *adap, int port_id)
+{
+ static const char *mod_str[] = {
+ NULL, "SR", "LR", "LRM", "TWINAX", "TWINAX", "unknown"
+ };
+
+ const struct net_device *dev = adap->port[port_id];
+ const struct port_info *pi = netdev_priv(dev);
+
+ if (pi->phy.modtype == phy_modtype_none)
+ printk(KERN_INFO "%s: PHY module unplugged\n", dev->name);
+ else
+ printk(KERN_INFO "%s: %s PHY module inserted\n", dev->name,
+ mod_str[pi->phy.modtype]);
+}
+
static void cxgb_set_rxmode(struct net_device *dev)
{
struct t3_rx_mode rm;
for (i = 0; i < pi->nqsets; i++, msi_idx++) {
snprintf(adap->msix_info[msi_idx].desc, n,
- "%s (queue %d)", d->name, i);
+ "%s-%d", d->name, pi->first_qset + i);
adap->msix_info[msi_idx].desc[n] = 0;
}
- }
+ }
}
static int request_msix_data_irqs(struct adapter *adap)
return 0;
}
+static void free_irq_resources(struct adapter *adapter)
+{
+ if (adapter->flags & USING_MSIX) {
+ int i, n = 0;
+
+ free_irq(adapter->msix_info[0].vec, adapter);
+ for_each_port(adapter, i)
+ n += adap2pinfo(adapter, i)->nqsets;
+
+ for (i = 0; i < n; ++i)
+ free_irq(adapter->msix_info[i + 1].vec,
+ &adapter->sge.qs[i]);
+ } else
+ free_irq(adapter->pdev->irq, adapter);
+}
+
static int await_mgmt_replies(struct adapter *adap, unsigned long init_cnt,
unsigned long n)
{
struct port_info *pi = netdev_priv(dev);
pi->qs = &adap->sge.qs[pi->first_qset];
- for (j = 0; j < pi->nqsets; ++j, ++qset_idx) {
+ for (j = pi->first_qset; j < pi->first_qset + pi->nqsets;
+ ++j, ++qset_idx) {
+ if (!pi->rx_csum_offload)
+ adap->params.sge.qset[qset_idx].lro = 0;
err = t3_sge_alloc_qset(adap, qset_idx, 1,
(adap->flags & USING_MSIX) ? qset_idx + 1 :
irq_idx,
&adap->params.sge.qset[qset_idx], ntxq, dev);
if (err) {
+ t3_stop_sge_timers(adap);
t3_free_sge_resources(adap);
return err;
}
t3_write_reg(adapter, A_TP_MTU_PORT_TABLE, mtus);
}
-static void send_pktsched_cmd(struct adapter *adap, int sched, int qidx, int lo,
+static int send_pktsched_cmd(struct adapter *adap, int sched, int qidx, int lo,
int hi, int port)
{
struct sk_buff *skb;
struct mngt_pktsched_wr *req;
+ int ret;
skb = alloc_skb(sizeof(*req), GFP_KERNEL | __GFP_NOFAIL);
req = (struct mngt_pktsched_wr *)skb_put(skb, sizeof(*req));
req->min = lo;
req->max = hi;
req->binding = port;
- t3_mgmt_tx(adap, skb);
+ ret = t3_mgmt_tx(adap, skb);
+
+ return ret;
}
-static void bind_qsets(struct adapter *adap)
+static int bind_qsets(struct adapter *adap)
{
- int i, j;
+ int i, j, err = 0;
for_each_port(adap, i) {
const struct port_info *pi = adap2pinfo(adap, i);
- for (j = 0; j < pi->nqsets; ++j)
- send_pktsched_cmd(adap, 1, pi->first_qset + j, -1,
- -1, i);
+ for (j = 0; j < pi->nqsets; ++j) {
+ int ret = send_pktsched_cmd(adap, 1,
+ pi->first_qset + j, -1,
+ -1, i);
+ if (ret)
+ err = ret;
+ }
}
+
+ return err;
}
#define FW_FNAME "t3fw-%d.%d.%d.bin"
goto out;
}
+ /*
+ * Clear interrupts now to catch errors if t3_init_hw fails.
+ * We clear them again later as initialization may trigger
+ * conditions that can interrupt.
+ */
+ t3_intr_clear(adap);
+
err = t3_init_hw(adap, 0);
if (err)
goto out;
t3_write_reg(adap, A_TP_INT_ENABLE, 0x7fbfffff);
}
- if ((adap->flags & (USING_MSIX | QUEUES_BOUND)) == USING_MSIX)
- bind_qsets(adap);
- adap->flags |= QUEUES_BOUND;
+ if (!(adap->flags & QUEUES_BOUND)) {
+ err = bind_qsets(adap);
+ if (err) {
+ CH_ERR(adap, "failed to bind qsets, err %d\n", err);
+ t3_intr_disable(adap);
+ free_irq_resources(adap);
+ goto out;
+ }
+ adap->flags |= QUEUES_BOUND;
+ }
out:
return err;
t3_intr_disable(adapter);
spin_unlock_irq(&adapter->work_lock);
- if (adapter->flags & USING_MSIX) {
- int i, n = 0;
-
- free_irq(adapter->msix_info[0].vec, adapter);
- for_each_port(adapter, i)
- n += adap2pinfo(adapter, i)->nqsets;
-
- for (i = 0; i < n; ++i)
- free_irq(adapter->msix_info[i + 1].vec,
- &adapter->sge.qs[i]);
- } else
- free_irq(adapter->pdev->irq, adapter);
-
+ free_irq_resources(adapter);
flush_workqueue(cxgb3_wq); /* wait for external IRQ handler */
quiesce_rx(adapter);
}
netif_carrier_off(dev);
t3_mac_disable(&pi->mac, MAC_DIRECTION_TX | MAC_DIRECTION_RX);
- spin_lock(&adapter->work_lock); /* sync with update task */
+ spin_lock_irq(&adapter->work_lock); /* sync with update task */
clear_bit(pi->port_id, &adapter->open_device_map);
- spin_unlock(&adapter->work_lock);
+ spin_unlock_irq(&adapter->work_lock);
if (!(adapter->open_device_map & PORT_MASK))
cancel_rearming_delayed_workqueue(cxgb3_wq,
int i;
unsigned long tot = 0;
- for (i = 0; i < p->nqsets; ++i)
- tot += adapter->sge.qs[i + p->first_qset].port_stats[idx];
+ for (i = p->first_qset; i < p->first_qset + p->nqsets; ++i)
+ tot += adapter->sge.qs[i].port_stats[idx];
return tot;
}
static int set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
+ int cap;
struct port_info *p = netdev_priv(dev);
struct link_config *lc = &p->link_config;
- if (!(lc->supported & SUPPORTED_Autoneg))
- return -EOPNOTSUPP; /* can't change speed/duplex */
+ if (!(lc->supported & SUPPORTED_Autoneg)) {
+ /*
+ * PHY offers a single speed/duplex. See if that's what's
+ * being requested.
+ */
+ if (cmd->autoneg == AUTONEG_DISABLE) {
+ cap = speed_duplex_to_caps(cmd->speed, cmd->duplex);
+ if (lc->supported & cap)
+ return 0;
+ }
+ return -EINVAL;
+ }
if (cmd->autoneg == AUTONEG_DISABLE) {
int cap = speed_duplex_to_caps(cmd->speed, cmd->duplex);
struct adapter *adap = p->adapter;
int i;
- for (i = p->first_qset; i < p->first_qset + p->nqsets; i++)
+ for (i = p->first_qset; i < p->first_qset + p->nqsets; i++) {
+ adap->params.sge.qset[i].lro = 0;
adap->sge.qs[i].lro_enabled = 0;
+ }
}
return 0;
}
int i;
struct qset_params *q;
struct ch_qset_params t;
+ int q1 = pi->first_qset;
+ int nqsets = pi->nqsets;
if (!capable(CAP_NET_ADMIN))
return -EPERM;
|| !in_range(t.rspq_size, MIN_RSPQ_ENTRIES,
MAX_RSPQ_ENTRIES))
return -EINVAL;
+
+ if ((adapter->flags & FULL_INIT_DONE) && t.lro > 0)
+ for_each_port(adapter, i) {
+ pi = adap2pinfo(adapter, i);
+ if (t.qset_idx >= pi->first_qset &&
+ t.qset_idx < pi->first_qset + pi->nqsets &&
+ !pi->rx_csum_offload)
+ return -EINVAL;
+ }
+
if ((adapter->flags & FULL_INIT_DONE) &&
(t.rspq_size >= 0 || t.fl_size[0] >= 0 ||
t.fl_size[1] >= 0 || t.txq_size[0] >= 0 ||
t.polling >= 0 || t.cong_thres >= 0))
return -EBUSY;
+ /* Allow setting of any available qset when offload enabled */
+ if (test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) {
+ q1 = 0;
+ for_each_port(adapter, i) {
+ pi = adap2pinfo(adapter, i);
+ nqsets += pi->first_qset + pi->nqsets;
+ }
+ }
+
+ if (t.qset_idx < q1)
+ return -EINVAL;
+ if (t.qset_idx > q1 + nqsets - 1)
+ return -EINVAL;
+
q = &adapter->params.sge.qset[t.qset_idx];
if (t.rspq_size >= 0)
case CHELSIO_GET_QSET_PARAMS:{
struct qset_params *q;
struct ch_qset_params t;
+ int q1 = pi->first_qset;
+ int nqsets = pi->nqsets;
+ int i;
if (copy_from_user(&t, useraddr, sizeof(t)))
return -EFAULT;
- if (t.qset_idx >= SGE_QSETS)
+
+ /* Display qsets for all ports when offload enabled */
+ if (test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) {
+ q1 = 0;
+ for_each_port(adapter, i) {
+ pi = adap2pinfo(adapter, i);
+ nqsets = pi->first_qset + pi->nqsets;
+ }
+ }
+
+ if (t.qset_idx >= nqsets)
return -EINVAL;
- q = &adapter->params.sge.qset[t.qset_idx];
+ q = &adapter->params.sge.qset[q1 + t.qset_idx];
t.rspq_size = q->rspq_size;
t.txq_size[0] = q->txq_size[0];
t.txq_size[1] = q->txq_size[1];
t.lro = q->lro;
t.intr_lat = q->coalesce_usecs;
t.cong_thres = q->cong_thres;
+ t.qnum = q1;
+
+ if (adapter->flags & USING_MSIX)
+ t.vector = adapter->msix_info[q1 + t.qset_idx + 1].vec;
+ else
+ t.vector = adapter->pdev->irq;
if (copy_to_user(useraddr, &t, sizeof(t)))
return -EFAULT;
mmd = data->phy_id >> 8;
if (!mmd)
mmd = MDIO_DEV_PCS;
- else if (mmd > MDIO_DEV_XGXS)
+ else if (mmd > MDIO_DEV_VEND2)
return -EINVAL;
ret =
mmd = data->phy_id >> 8;
if (!mmd)
mmd = MDIO_DEV_PCS;
- else if (mmd > MDIO_DEV_XGXS)
+ else if (mmd > MDIO_DEV_VEND2)
return -EINVAL;
ret =
{
int i;
- for (i = 0; i < p->nqsets; i++) {
- struct sge_rspq *q = &adap->sge.qs[i + p->first_qset].rspq;
+ for (i = p->first_qset; i < p->first_qset + p->nqsets; i++) {
+ struct sge_rspq *q = &adap->sge.qs[i].rspq;
spin_lock_irq(&q->lock);
spin_unlock_irq(&q->lock);
struct net_device *dev = adapter->port[i];
struct port_info *p = netdev_priv(dev);
- if (!(p->port_type->caps & SUPPORTED_IRQ) && netif_running(dev))
+ if (!(p->phy.caps & SUPPORTED_IRQ) && netif_running(dev))
t3_link_changed(adapter, i);
}
}
check_t3b2_mac(adapter);
/* Schedule the next check update if any port is active. */
- spin_lock(&adapter->work_lock);
+ spin_lock_irq(&adapter->work_lock);
if (adapter->open_device_map & PORT_MASK)
schedule_chk_task(adapter);
- spin_unlock(&adapter->work_lock);
+ spin_unlock_irq(&adapter->work_lock);
}
/*
spin_unlock(&adapter->work_lock);
}
+static int t3_adapter_error(struct adapter *adapter, int reset)
+{
+ int i, ret = 0;
+
+ /* Stop all ports */
+ for_each_port(adapter, i) {
+ struct net_device *netdev = adapter->port[i];
+
+ if (netif_running(netdev))
+ cxgb_close(netdev);
+ }
+
+ if (is_offload(adapter) &&
+ test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map))
+ offload_close(&adapter->tdev);
+
+ /* Stop SGE timers */
+ t3_stop_sge_timers(adapter);
+
+ adapter->flags &= ~FULL_INIT_DONE;
+
+ if (reset)
+ ret = t3_reset_adapter(adapter);
+
+ pci_disable_device(adapter->pdev);
+
+ return ret;
+}
+
+static int t3_reenable_adapter(struct adapter *adapter)
+{
+ if (pci_enable_device(adapter->pdev)) {
+ dev_err(&adapter->pdev->dev,
+ "Cannot re-enable PCI device after reset.\n");
+ goto err;
+ }
+ pci_set_master(adapter->pdev);
+ pci_restore_state(adapter->pdev);
+
+ /* Free sge resources */
+ t3_free_sge_resources(adapter);
+
+ if (t3_replay_prep_adapter(adapter))
+ goto err;
+
+ return 0;
+err:
+ return -1;
+}
+
+static void t3_resume_ports(struct adapter *adapter)
+{
+ int i;
+
+ /* Restart the ports */
+ for_each_port(adapter, i) {
+ struct net_device *netdev = adapter->port[i];
+
+ if (netif_running(netdev)) {
+ if (cxgb_open(netdev)) {
+ dev_err(&adapter->pdev->dev,
+ "can't bring device back up"
+ " after reset\n");
+ continue;
+ }
+ }
+ }
+}
+
+/*
+ * processes a fatal error.
+ * Bring the ports down, reset the chip, bring the ports back up.
+ */
+static void fatal_error_task(struct work_struct *work)
+{
+ struct adapter *adapter = container_of(work, struct adapter,
+ fatal_error_handler_task);
+ int err = 0;
+
+ rtnl_lock();
+ err = t3_adapter_error(adapter, 1);
+ if (!err)
+ err = t3_reenable_adapter(adapter);
+ if (!err)
+ t3_resume_ports(adapter);
+
+ CH_ALERT(adapter, "adapter reset %s\n", err ? "failed" : "succeeded");
+ rtnl_unlock();
+}
+
void t3_fatal_err(struct adapter *adapter)
{
unsigned int fw_status[4];
t3_write_reg(adapter, A_XGM_RX_CTRL, 0);
t3_write_reg(adapter, XGM_REG(A_XGM_TX_CTRL, 1), 0);
t3_write_reg(adapter, XGM_REG(A_XGM_RX_CTRL, 1), 0);
+
+ spin_lock(&adapter->work_lock);
t3_intr_disable(adapter);
+ queue_work(cxgb3_wq, &adapter->fatal_error_handler_task);
+ spin_unlock(&adapter->work_lock);
}
CH_ALERT(adapter, "encountered fatal error, operation suspended\n");
if (!t3_cim_ctl_blk_read(adapter, 0xa0, 4, fw_status))
pci_channel_state_t state)
{
struct adapter *adapter = pci_get_drvdata(pdev);
- int i;
-
- /* Stop all ports */
- for_each_port(adapter, i) {
- struct net_device *netdev = adapter->port[i];
-
- if (netif_running(netdev))
- cxgb_close(netdev);
- }
-
- if (is_offload(adapter) &&
- test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map))
- offload_close(&adapter->tdev);
-
- adapter->flags &= ~FULL_INIT_DONE;
+ int ret;
- pci_disable_device(pdev);
+ ret = t3_adapter_error(adapter, 0);
/* Request a slot reset. */
return PCI_ERS_RESULT_NEED_RESET;
{
struct adapter *adapter = pci_get_drvdata(pdev);
- if (pci_enable_device(pdev)) {
- dev_err(&pdev->dev,
- "Cannot re-enable PCI device after reset.\n");
- goto err;
- }
- pci_set_master(pdev);
- pci_restore_state(pdev);
-
- /* Free sge resources */
- t3_free_sge_resources(adapter);
-
- if (t3_replay_prep_adapter(adapter))
- goto err;
+ if (!t3_reenable_adapter(adapter))
+ return PCI_ERS_RESULT_RECOVERED;
- return PCI_ERS_RESULT_RECOVERED;
-err:
return PCI_ERS_RESULT_DISCONNECT;
}
static void t3_io_resume(struct pci_dev *pdev)
{
struct adapter *adapter = pci_get_drvdata(pdev);
- int i;
- /* Restart the ports */
- for_each_port(adapter, i) {
- struct net_device *netdev = adapter->port[i];
-
- if (netif_running(netdev)) {
- if (cxgb_open(netdev)) {
- dev_err(&pdev->dev,
- "can't bring device back up"
- " after reset\n");
- continue;
- }
- netif_device_attach(netdev);
- }
- }
+ t3_resume_ports(adapter);
}
static struct pci_error_handlers t3_err_handler = {
.resume = t3_io_resume,
};
+/*
+ * Set the number of qsets based on the number of CPUs and the number of ports,
+ * not to exceed the number of available qsets, assuming there are enough qsets
+ * per port in HW.
+ */
+static void set_nqsets(struct adapter *adap)
+{
+ int i, j = 0;
+ int num_cpus = num_online_cpus();
+ int hwports = adap->params.nports;
+ int nqsets = SGE_QSETS;
+
+ if (adap->params.rev > 0) {
+ if (hwports == 2 &&
+ (hwports * nqsets > SGE_QSETS ||
+ num_cpus >= nqsets / hwports))
+ nqsets /= hwports;
+ if (nqsets > num_cpus)
+ nqsets = num_cpus;
+ if (nqsets < 1 || hwports == 4)
+ nqsets = 1;
+ } else
+ nqsets = 1;
+
+ for_each_port(adap, i) {
+ struct port_info *pi = adap2pinfo(adap, i);
+
+ pi->first_qset = j;
+ pi->nqsets = nqsets;
+ j = pi->first_qset + nqsets;
+
+ dev_info(&adap->pdev->dev,
+ "Port %d using %d queue sets.\n", i, nqsets);
+ }
+}
+
static int __devinit cxgb_enable_msix(struct adapter *adap)
{
struct msix_entry entries[SGE_QSETS + 1];
if (!test_bit(i, &adap->registered_device_map))
continue;
printk(KERN_INFO "%s: %s %s %sNIC (rev %d) %s%s\n",
- dev->name, ai->desc, pi->port_type->desc,
+ dev->name, ai->desc, pi->phy.desc,
is_offload(adap) ? "R" : "", adap->params.rev, buf,
(adap->flags & USING_MSIX) ? " MSI-X" :
(adap->flags & USING_MSI) ? " MSI" : "");
INIT_LIST_HEAD(&adapter->adapter_list);
INIT_WORK(&adapter->ext_intr_handler_task, ext_intr_task);
+ INIT_WORK(&adapter->fatal_error_handler_task, fatal_error_task);
INIT_DELAYED_WORK(&adapter->adap_check_task, t3_adap_check_task);
for (i = 0; i < ai->nports; ++i) {
pi = netdev_priv(netdev);
pi->adapter = adapter;
pi->rx_csum_offload = 1;
- pi->nqsets = 1;
- pi->first_qset = i;
- pi->activity = 0;
pi->port_id = i;
netif_carrier_off(netdev);
netdev->irq = pdev->irq;
else if (msi > 0 && pci_enable_msi(pdev) == 0)
adapter->flags |= USING_MSI;
+ set_nqsets(adapter);
+
err = sysfs_create_group(&adapter->port[0]->dev.kobj,
&cxgb3_attr_group);
if (test_bit(i, &adapter->registered_device_map))
unregister_netdev(adapter->port[i]);
+ t3_stop_sge_timers(adapter);
t3_free_sge_resources(adapter);
cxgb_disable_msi(adapter);
projects / linux-2.6-omap-h63xx.git / blobdiff