cxgb4i : Remove duplicated CLIP handling code

cxgb4 already handles CLIP updates from a previous changeset for iw_cxgb4,
there is no need to have this functionality in cxgb4i. Remove duplicated code

Signed-off-by: Anish Bhatt <anish@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index fed8f26..411acf0 100644 (file)
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -4490,6 +4490,13 @@ static int update_root_dev_clip(struct net_device *dev)
                return ret;
 
        /* Parse all bond and vlan devices layered on top of the physical dev */
+       root_dev = netdev_master_upper_dev_get_rcu(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)

diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
index 02e69e7..18d0d1c 100644 (file)
--- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
+++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
@@ -1635,129 +1635,6 @@ static int cxgb4i_ddp_init(struct cxgbi_device *cdev)
        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;
@@ -1876,10 +1753,6 @@ static int t4_uld_state_change(void *handle, enum cxgb4_state state)
        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);
@@ -1910,17 +1783,11 @@ static int __init cxgb4i_init_module(void)
                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);