int num_fw_handles, k, l;
/* Determine number of handles */
+ mutex_lock(&ehea_fw_handles.lock);
+
list_for_each_entry(adapter, &adapter_list, list) {
num_adapters++;
if (num_fw_handles) {
arr = kzalloc(num_fw_handles * sizeof(*arr), GFP_KERNEL);
if (!arr)
- return; /* Keep the existing array */
+ goto out; /* Keep the existing array */
} else
goto out_update;
list_for_each_entry(adapter, &adapter_list, list) {
+ if (num_adapters == 0)
+ break;
+
for (k = 0; k < EHEA_MAX_PORTS; k++) {
struct ehea_port *port = adapter->port[k];
- if (!port || (port->state != EHEA_PORT_UP))
+ if (!port || (port->state != EHEA_PORT_UP)
+ || (num_ports == 0))
continue;
for (l = 0;
}
arr[i].adh = adapter->handle;
arr[i++].fwh = port->qp_eq->fw_handle;
+ num_ports--;
}
arr[i].adh = adapter->handle;
arr[i].adh = adapter->handle;
arr[i++].fwh = adapter->mr.handle;
}
+ num_adapters--;
}
out_update:
kfree(ehea_fw_handles.arr);
ehea_fw_handles.arr = arr;
ehea_fw_handles.num_entries = i;
+out:
+ mutex_unlock(&ehea_fw_handles.lock);
}
static void ehea_update_bcmc_registrations(void)
{
+ unsigned long flags;
struct ehea_bcmc_reg_entry *arr = NULL;
struct ehea_adapter *adapter;
struct ehea_mc_list *mc_entry;
int i = 0;
int k;
+ spin_lock_irqsave(&ehea_bcmc_regs.lock, flags);
+
/* Determine number of registrations */
list_for_each_entry(adapter, &adapter_list, list)
for (k = 0; k < EHEA_MAX_PORTS; k++) {
if (num_registrations) {
arr = kzalloc(num_registrations * sizeof(*arr), GFP_ATOMIC);
if (!arr)
- return; /* Keep the existing array */
+ goto out; /* Keep the existing array */
} else
goto out_update;
if (!port || (port->state != EHEA_PORT_UP))
continue;
+ if (num_registrations == 0)
+ goto out_update;
+
arr[i].adh = adapter->handle;
arr[i].port_id = port->logical_port_id;
arr[i].reg_type = EHEA_BCMC_BROADCAST |
arr[i].reg_type = EHEA_BCMC_BROADCAST |
EHEA_BCMC_VLANID_ALL;
arr[i++].macaddr = port->mac_addr;
+ num_registrations -= 2;
list_for_each_entry(mc_entry,
&port->mc_list->list, list) {
+ if (num_registrations == 0)
+ goto out_update;
+
arr[i].adh = adapter->handle;
arr[i].port_id = port->logical_port_id;
arr[i].reg_type = EHEA_BCMC_SCOPE_ALL |
EHEA_BCMC_MULTICAST |
EHEA_BCMC_VLANID_ALL;
arr[i++].macaddr = mc_entry->macaddr;
+ num_registrations -= 2;
}
}
}
kfree(ehea_bcmc_regs.arr);
ehea_bcmc_regs.arr = arr;
ehea_bcmc_regs.num_entries = i;
+out:
+ spin_unlock_irqrestore(&ehea_bcmc_regs.lock, flags);
}
static struct net_device_stats *ehea_get_stats(struct net_device *dev)
x &= (arr_len - 1);
pref = skb_array[x];
- prefetchw(pref);
- prefetchw(pref + EHEA_CACHE_LINE);
-
- pref = (skb_array[x]->data);
- prefetch(pref);
- prefetch(pref + EHEA_CACHE_LINE);
- prefetch(pref + EHEA_CACHE_LINE * 2);
- prefetch(pref + EHEA_CACHE_LINE * 3);
+ if (pref) {
+ prefetchw(pref);
+ prefetchw(pref + EHEA_CACHE_LINE);
+
+ pref = (skb_array[x]->data);
+ prefetch(pref);
+ prefetch(pref + EHEA_CACHE_LINE);
+ prefetch(pref + EHEA_CACHE_LINE * 2);
+ prefetch(pref + EHEA_CACHE_LINE * 3);
+ }
+
skb = skb_array[skb_index];
skb_array[skb_index] = NULL;
return skb;
x &= (arr_len - 1);
pref = skb_array[x];
- prefetchw(pref);
- prefetchw(pref + EHEA_CACHE_LINE);
+ if (pref) {
+ prefetchw(pref);
+ prefetchw(pref + EHEA_CACHE_LINE);
- pref = (skb_array[x]->data);
- prefetchw(pref);
- prefetchw(pref + EHEA_CACHE_LINE);
+ pref = (skb_array[x]->data);
+ prefetchw(pref);
+ prefetchw(pref + EHEA_CACHE_LINE);
+ }
skb = skb_array[wqe_index];
skb_array[wqe_index] = NULL;
memcpy(dev->dev_addr, mac_addr->sa_data, dev->addr_len);
- spin_lock(&ehea_bcmc_regs.lock);
-
/* Deregister old MAC in pHYP */
if (port->state == EHEA_PORT_UP) {
ret = ehea_broadcast_reg_helper(port, H_DEREG_BCMC);
out_upregs:
ehea_update_bcmc_registrations();
- spin_unlock(&ehea_bcmc_regs.lock);
out_free:
free_page((unsigned long)cb0);
out:
}
ehea_promiscuous(dev, 0);
- spin_lock(&ehea_bcmc_regs.lock);
-
if (dev->flags & IFF_ALLMULTI) {
ehea_allmulti(dev, 1);
goto out;
}
out:
ehea_update_bcmc_registrations();
- spin_unlock(&ehea_bcmc_regs.lock);
return;
}
if (port->state == EHEA_PORT_UP)
return 0;
- mutex_lock(&ehea_fw_handles.lock);
-
ret = ehea_port_res_setup(port, port->num_def_qps,
port->num_add_tx_qps);
if (ret) {
}
}
- spin_lock(&ehea_bcmc_regs.lock);
-
ret = ehea_broadcast_reg_helper(port, H_REG_BCMC);
if (ret) {
ret = -EIO;
ehea_info("Failed starting %s. ret=%i", dev->name, ret);
ehea_update_bcmc_registrations();
- spin_unlock(&ehea_bcmc_regs.lock);
-
ehea_update_firmware_handles();
- mutex_unlock(&ehea_fw_handles.lock);
return ret;
}
if (port->state == EHEA_PORT_DOWN)
return 0;
- mutex_lock(&ehea_fw_handles.lock);
-
- spin_lock(&ehea_bcmc_regs.lock);
ehea_drop_multicast_list(dev);
ehea_broadcast_reg_helper(port, H_DEREG_BCMC);
port->state = EHEA_PORT_DOWN;
ehea_update_bcmc_registrations();
- spin_unlock(&ehea_bcmc_regs.lock);
ret = ehea_clean_all_portres(port);
if (ret)
dev->name, ret);
ehea_update_firmware_handles();
- mutex_unlock(&ehea_fw_handles.lock);
return ret;
}
.ndo_change_mtu = ehea_change_mtu,
.ndo_vlan_rx_register = ehea_vlan_rx_register,
.ndo_vlan_rx_add_vid = ehea_vlan_rx_add_vid,
- .ndo_vlan_rx_kill_vid = ehea_vlan_rx_kill_vid
+ .ndo_vlan_rx_kill_vid = ehea_vlan_rx_kill_vid,
+ .ndo_tx_timeout = ehea_tx_watchdog,
};
struct ehea_port *ehea_setup_single_port(struct ehea_adapter *adapter,
| NETIF_F_HIGHDMA | NETIF_F_IP_CSUM | NETIF_F_HW_VLAN_TX
| NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER
| NETIF_F_LLTX;
- dev->tx_timeout = &ehea_tx_watchdog;
dev->watchdog_timeo = EHEA_WATCH_DOG_TIMEOUT;
INIT_WORK(&port->reset_task, ehea_reset_port);
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct ehea_adapter *adapter = dev->driver_data;
+ struct ehea_adapter *adapter = dev_get_drvdata(dev);
struct ehea_port *port;
struct device_node *eth_dn = NULL;
int i;
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct ehea_adapter *adapter = dev->driver_data;
+ struct ehea_adapter *adapter = dev_get_drvdata(dev);
struct ehea_port *port;
int i;
u32 logical_port_id;
ehea_error("Invalid ibmebus device probed");
return -EINVAL;
}
- mutex_lock(&ehea_fw_handles.lock);
adapter = kzalloc(sizeof(*adapter), GFP_KERNEL);
if (!adapter) {
adapter->pd = EHEA_PD_ID;
- dev->dev.driver_data = adapter;
+ dev_set_drvdata(&dev->dev, adapter);
/* initialize adapter and ports */
out:
ehea_update_firmware_handles();
- mutex_unlock(&ehea_fw_handles.lock);
+
return ret;
}
static int __devexit ehea_remove(struct of_device *dev)
{
- struct ehea_adapter *adapter = dev->dev.driver_data;
+ struct ehea_adapter *adapter = dev_get_drvdata(&dev->dev);
int i;
for (i = 0; i < EHEA_MAX_PORTS; i++)
flush_scheduled_work();
- mutex_lock(&ehea_fw_handles.lock);
-
ibmebus_free_irq(adapter->neq->attr.ist1, adapter);
tasklet_kill(&adapter->neq_tasklet);
kfree(adapter);
ehea_update_firmware_handles();
- mutex_unlock(&ehea_fw_handles.lock);
return 0;
}
default:
break;
}
+
+ ehea_update_firmware_handles();
+
return NOTIFY_OK;
}