Commit 587ddfe2 authored by Anish Bhatt's avatar Anish Bhatt Committed by David S. Miller

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: default avatarAnish Bhatt <anish@chelsio.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9b462d02
......@@ -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)
......
......@@ -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);
......
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