}
EXPORT_SYMBOL(cxgb4_unregister_uld);
- int cnt;
+/* Check if netdev on which event is occured belongs to us or not. Return
+ * suceess (1) if it belongs otherwise failure (0).
+ */
+static int cxgb4_netdev(struct net_device *netdev)
+{
+ struct adapter *adap;
+ int i;
+
+ spin_lock(&adap_rcu_lock);
+ list_for_each_entry_rcu(adap, &adap_rcu_list, rcu_node)
+ for (i = 0; i < MAX_NPORTS; i++)
+ if (adap->port[i] == netdev) {
+ spin_unlock(&adap_rcu_lock);
+ return 1;
+ }
+ spin_unlock(&adap_rcu_lock);
+ return 0;
+}
+
+static int clip_add(struct net_device *event_dev, struct inet6_ifaddr *ifa,
+ unsigned long event)
+{
+ int ret = NOTIFY_DONE;
+
+ rcu_read_lock();
+ if (cxgb4_netdev(event_dev)) {
+ switch (event) {
+ case NETDEV_UP:
+ ret = cxgb4_clip_get(event_dev,
+ (const struct in6_addr *)ifa->addr.s6_addr);
+ if (ret < 0) {
+ rcu_read_unlock();
+ return ret;
+ }
+ ret = NOTIFY_OK;
+ break;
+ case NETDEV_DOWN:
+ cxgb4_clip_release(event_dev,
+ (const struct in6_addr *)ifa->addr.s6_addr);
+ ret = NOTIFY_OK;
+ break;
+ default:
+ break;
+ }
+ }
+ rcu_read_unlock();
+ return ret;
+}
+
+static int cxgb4_inet6addr_handler(struct notifier_block *this,
+ unsigned long event, void *data)
+{
+ struct inet6_ifaddr *ifa = data;
+ struct net_device *event_dev;
+ int ret = NOTIFY_DONE;
- bond_for_each_slave(bond, slave, cnt) {
+ struct bonding *bond = netdev_priv(ifa->idev->dev);
+ struct slave *slave;
+ struct pci_dev *first_pdev = NULL;
+
+ if (ifa->idev->dev->priv_flags & IFF_802_1Q_VLAN) {
+ event_dev = vlan_dev_real_dev(ifa->idev->dev);
+ ret = clip_add(event_dev, ifa, event);
+ } else if (ifa->idev->dev->flags & IFF_MASTER) {
+ /* It is possible that two different adapters are bonded in one
+ * bond. We need to find such different adapters and add clip
+ * in all of them only once.
+ */
+ read_lock(&bond->lock);
++ bond_for_each_slave(bond, slave) {
+ if (!first_pdev) {
+ ret = clip_add(slave->dev, ifa, event);
+ /* If clip_add is success then only initialize
+ * first_pdev since it means it is our device
+ */
+ if (ret == NOTIFY_OK)
+ first_pdev = to_pci_dev(
+ slave->dev->dev.parent);
+ } else if (first_pdev !=
+ to_pci_dev(slave->dev->dev.parent))
+ ret = clip_add(slave->dev, ifa, event);
+ }
+ read_unlock(&bond->lock);
+ } else
+ ret = clip_add(ifa->idev->dev, ifa, event);
+
+ return ret;
+}
+
+static struct notifier_block cxgb4_inet6addr_notifier = {
+ .notifier_call = cxgb4_inet6addr_handler
+};
+
+/* Retrieves IPv6 addresses from a root device (bond, vlan) associated with
+ * a physical device.
+ * The physical device reference is needed to send the actul CLIP command.
+ */
+static int update_dev_clip(struct net_device *root_dev, struct net_device *dev)
+{
+ struct inet6_dev *idev = NULL;
+ struct inet6_ifaddr *ifa;
+ int ret = 0;
+
+ idev = __in6_dev_get(root_dev);
+ if (!idev)
+ return ret;
+
+ read_lock_bh(&idev->lock);
+ list_for_each_entry(ifa, &idev->addr_list, if_list) {
+ ret = cxgb4_clip_get(dev,
+ (const struct in6_addr *)ifa->addr.s6_addr);
+ if (ret < 0)
+ break;
+ }
+ read_unlock_bh(&idev->lock);
+
+ return ret;
+}
+
+static int update_root_dev_clip(struct net_device *dev)
+{
+ struct net_device *root_dev = NULL;
+ int i, ret = 0;
+
+ /* First populate the real net device's IPv6 addresses */
+ ret = update_dev_clip(dev, dev);
+ if (ret)
+ return ret;
+
+ /* Parse all bond and vlan devices layered on top of the physical dev */
+ for (i = 0; i < VLAN_N_VID; i++) {
+ root_dev = __vlan_find_dev_deep(dev, htons(ETH_P_8021Q), i);
+ if (!root_dev)
+ continue;
+
+ ret = update_dev_clip(root_dev, dev);
+ if (ret)
+ break;
+ }
+ return ret;
+}
+
+static void update_clip(const struct adapter *adap)
+{
+ int i;
+ struct net_device *dev;
+ int ret;
+
+ rcu_read_lock();
+
+ for (i = 0; i < MAX_NPORTS; i++) {
+ dev = adap->port[i];
+ ret = 0;
+
+ if (dev)
+ ret = update_root_dev_clip(dev);
+
+ if (ret < 0)
+ break;
+ }
+ rcu_read_unlock();
+}
+
/**
* cxgb_up - enable the adapter
* @adap: adapter being enabled
{
return netdev_store(dev, attr, buf, len, change_group);
}
+NETDEVICE_SHOW(group, fmt_dec);
+static DEVICE_ATTR(netdev_group, S_IRUGO | S_IWUSR, group_show, group_store);
-static ssize_t show_phys_port_id(struct device *dev,
++static ssize_t phys_port_id_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+ {
+ struct net_device *netdev = to_net_dev(dev);
+ ssize_t ret = -EINVAL;
+
+ if (!rtnl_trylock())
+ return restart_syscall();
+
+ if (dev_isalive(netdev)) {
+ struct netdev_phys_port_id ppid;
+
+ ret = dev_get_phys_port_id(netdev, &ppid);
+ if (!ret)
+ ret = sprintf(buf, "%*phN\n", ppid.id_len, ppid.id);
+ }
+ rtnl_unlock();
+
+ return ret;
+ }
-
-static struct device_attribute net_class_attributes[] = {
- __ATTR(addr_assign_type, S_IRUGO, show_addr_assign_type, NULL),
- __ATTR(addr_len, S_IRUGO, show_addr_len, NULL),
- __ATTR(dev_id, S_IRUGO, show_dev_id, NULL),
- __ATTR(ifalias, S_IRUGO | S_IWUSR, show_ifalias, store_ifalias),
- __ATTR(iflink, S_IRUGO, show_iflink, NULL),
- __ATTR(ifindex, S_IRUGO, show_ifindex, NULL),
- __ATTR(type, S_IRUGO, show_type, NULL),
- __ATTR(link_mode, S_IRUGO, show_link_mode, NULL),
- __ATTR(address, S_IRUGO, show_address, NULL),
- __ATTR(broadcast, S_IRUGO, show_broadcast, NULL),
- __ATTR(carrier, S_IRUGO | S_IWUSR, show_carrier, store_carrier),
- __ATTR(speed, S_IRUGO, show_speed, NULL),
- __ATTR(duplex, S_IRUGO, show_duplex, NULL),
- __ATTR(dormant, S_IRUGO, show_dormant, NULL),
- __ATTR(operstate, S_IRUGO, show_operstate, NULL),
- __ATTR(mtu, S_IRUGO | S_IWUSR, show_mtu, store_mtu),
- __ATTR(flags, S_IRUGO | S_IWUSR, show_flags, store_flags),
- __ATTR(tx_queue_len, S_IRUGO | S_IWUSR, show_tx_queue_len,
- store_tx_queue_len),
- __ATTR(netdev_group, S_IRUGO | S_IWUSR, show_group, store_group),
- __ATTR(phys_port_id, S_IRUGO, show_phys_port_id, NULL),
- {}
++static DEVICE_ATTR_RO(phys_port_id);
++
+static struct attribute *net_class_attrs[] = {
+ &dev_attr_netdev_group.attr,
+ &dev_attr_type.attr,
+ &dev_attr_dev_id.attr,
+ &dev_attr_iflink.attr,
+ &dev_attr_ifindex.attr,
+ &dev_attr_addr_assign_type.attr,
+ &dev_attr_addr_len.attr,
+ &dev_attr_link_mode.attr,
+ &dev_attr_address.attr,
+ &dev_attr_broadcast.attr,
+ &dev_attr_speed.attr,
+ &dev_attr_duplex.attr,
+ &dev_attr_dormant.attr,
+ &dev_attr_operstate.attr,
+ &dev_attr_ifalias.attr,
+ &dev_attr_carrier.attr,
+ &dev_attr_mtu.attr,
+ &dev_attr_flags.attr,
+ &dev_attr_tx_queue_len.attr,
++ &dev_attr_phys_port_id.attr,
+ NULL,
};
+ATTRIBUTE_GROUPS(net_class);
/* Show a given an attribute in the statistics group */
static ssize_t netstat_show(const struct device *d,
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / commitdiff