cxgb4_l2t_send(csk->cdev->ports[csk->port_id], skb, csk->l2t);
}
+#if IS_ENABLED(CONFIG_IPV6)
static void send_act_open_req6(struct cxgbi_sock *csk, struct sk_buff *skb,
struct l2t_entry *e)
{
cxgb4_l2t_send(csk->cdev->ports[csk->port_id], skb, csk->l2t);
}
+#endif
static void send_close_req(struct cxgbi_sock *csk)
{
static void csk_act_open_retry_timer(unsigned long data)
{
- struct sk_buff *skb;
+ struct sk_buff *skb = NULL;
struct cxgbi_sock *csk = (struct cxgbi_sock *)data;
struct cxgb4_lld_info *lldi = cxgbi_cdev_priv(csk->cdev);
void (*send_act_open_func)(struct cxgbi_sock *, struct sk_buff *,
if (csk->csk_family == AF_INET) {
send_act_open_func = send_act_open_req;
skb = alloc_wr(size, 0, GFP_ATOMIC);
+#if IS_ENABLED(CONFIG_IPV6)
} else {
send_act_open_func = send_act_open_req6;
skb = alloc_wr(size6, 0, GFP_ATOMIC);
+#endif
}
if (!skb)
cxgbi_sock_set_flag(csk, CTPF_HAS_ATID);
cxgbi_sock_get(csk);
- n = dst_neigh_lookup(csk->dst, &csk->daddr.sin_addr.s_addr);
- if (!n) {
- pr_err("%s, can't get neighbour of csk->dst.\n", ndev->name);
- goto rel_resource;
- }
csk->l2t = cxgb4_l2t_get(lldi->l2t, n, ndev, 0);
if (!csk->l2t) {
pr_err("%s, cannot alloc l2t.\n", ndev->name);
if (csk->csk_family == AF_INET)
skb = alloc_wr(size, 0, GFP_NOIO);
+#if IS_ENABLED(CONFIG_IPV6)
else
skb = alloc_wr(size6, 0, GFP_NOIO);
+#endif
if (!skb)
goto rel_resource;
cxgbi_sock_set_state(csk, CTP_ACTIVE_OPEN);
if (csk->csk_family == AF_INET)
send_act_open_req(csk, skb, csk->l2t);
+#if IS_ENABLED(CONFIG_IPV6)
else
send_act_open_req6(csk, skb, csk->l2t);
+#endif
neigh_release(n);
return 0;
return 0;
}
-#if IS_ENABLED(CONFIG_IPV6)
-static int cxgbi_inet6addr_handler(struct notifier_block *this,
- unsigned long event, void *data)
-{
- struct inet6_ifaddr *ifa = data;
- struct net_device *event_dev = ifa->idev->dev;
- struct cxgbi_device *cdev;
- int ret = NOTIFY_DONE;
-
- if (event_dev->priv_flags & IFF_802_1Q_VLAN)
- event_dev = vlan_dev_real_dev(event_dev);
-
- cdev = cxgbi_device_find_by_netdev_rcu(event_dev, NULL);
-
- if (!cdev)
- return ret;
-
- switch (event) {
- case NETDEV_UP:
- ret = cxgb4_clip_get(event_dev,
- (const struct in6_addr *)
- ((ifa)->addr.s6_addr));
- if (ret < 0)
- 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;
- }
-
- return ret;
-}
-
-static struct notifier_block cxgbi_inet6addr_notifier = {
- .notifier_call = cxgbi_inet6addr_handler
-};
-
-/* Retrieve IPv6 addresses from a root device (bond, vlan) associated with
- * a physical device.
- * The physical device reference is needed to send the actual 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) {
- pr_info("updating the clip for addr %pI6\n",
- ifa->addr.s6_addr);
- 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 address */
- ret = update_dev_clip(dev, dev);
- if (ret)
- return ret;
-
- /* Parse all bond and vlan devices layered on top of the physical dev */
- root_dev = netdev_master_upper_dev_get(dev);
- if (root_dev) {
- ret = update_dev_clip(root_dev, dev);
- if (ret)
- return ret;
- }
-
- for (i = 0; i < VLAN_N_VID; i++) {
- root_dev = __vlan_find_dev_deep_rcu(dev, htons(ETH_P_8021Q), i);
- if (!root_dev)
- continue;
-
- ret = update_dev_clip(root_dev, dev);
- if (ret)
- break;
- }
- return ret;
-}
-
-static void cxgbi_update_clip(struct cxgbi_device *cdev)
-{
- int i;
-
- rcu_read_lock();
-
- for (i = 0; i < cdev->nports; i++) {
- struct net_device *dev = cdev->ports[i];
- int ret = 0;
-
- if (dev)
- ret = update_root_dev_clip(dev);
- if (ret < 0)
- break;
- }
- rcu_read_unlock();
-}
-#endif /* IS_ENABLED(CONFIG_IPV6) */
-
static void *t4_uld_add(const struct cxgb4_lld_info *lldi)
{
struct cxgbi_device *cdev;
switch (state) {
case CXGB4_STATE_UP:
pr_info("cdev 0x%p, UP.\n", cdev);
-#if IS_ENABLED(CONFIG_IPV6)
- cxgbi_update_clip(cdev);
-#endif
- /* re-initialize */
break;
case CXGB4_STATE_START_RECOVERY:
pr_info("cdev 0x%p, RECOVERY.\n", cdev);
return rc;
cxgb4_register_uld(CXGB4_ULD_ISCSI, &cxgb4i_uld_info);
-#if IS_ENABLED(CONFIG_IPV6)
- register_inet6addr_notifier(&cxgbi_inet6addr_notifier);
-#endif
return 0;
}
static void __exit cxgb4i_exit_module(void)
{
-#if IS_ENABLED(CONFIG_IPV6)
- unregister_inet6addr_notifier(&cxgbi_inet6addr_notifier);
-#endif
cxgb4_unregister_uld(CXGB4_ULD_ISCSI);
cxgbi_device_unregister_all(CXGBI_FLAG_DEV_T4);
cxgbi_iscsi_cleanup(&cxgb4i_iscsi_transport, &cxgb4i_stt);
projects / cascardo / linux.git / blobdiff