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disable IPv6 on WTP AP interface

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This commit is contained in:
Andreas Schultz
2016-03-04 18:39:08 +01:00
parent 58741d302f
commit 973bf5eab7
2 changed files with 46 additions and 27 deletions
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47
src/wtp/kmod/netlinkapp.c
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@ -121,28 +121,45 @@ error:
static struct sc_netlink_device* sc_netlink_new_device(struct net *net, uint32_t ifindex,
uint8_t radioid, u8 wlanid, uint8_t binding)
{
int err = 0;
struct net_device* dev;
struct sc_netlink_device* nldev;
struct inet6_dev *idev;
TRACEKMOD("### sc_netlink_new_device\n");
/* Retrieve device from ifindex */
dev = dev_get_by_index(net, ifindex);
if (!dev) {
return NULL;
}
if (!dev)
return ERR_PTR(-ENODEV);
/* Check if wireless device */
if (!dev->ieee80211_ptr || !dev->ieee80211_ptr->wiphy) {
dev_put(dev);
return NULL;
if (!dev->ieee80211_ptr ||
!dev->ieee80211_ptr->wiphy) {
err = -ENODEV;
goto out_err;
}
if (unlikely(dev->flags & IFF_UP)) {
err = -EINVAL;
goto out_err;
}
idev = __in6_dev_get(dev);
if (!idev) {
err = -ENODEV;
goto out_err;
}
/* disable IPv6 on this iface */
printk("SmartCAPWAP: disabling IPv6 on %s\n", dev->name);
idev->cnf.disable_ipv6 = 1;
/* Create device */
nldev = (struct sc_netlink_device*)kzalloc(sizeof(struct sc_netlink_device), GFP_KERNEL);
if (!nldev) {
dev_put(dev);
return NULL;
err = -ENOMEM;
goto out_err;
}
/* Initialize device */
@ -156,6 +173,10 @@ static struct sc_netlink_device* sc_netlink_new_device(struct net *net, uint32_t
nldev->net = net;
return nldev;
out_err:
dev_put(dev);
return ERR_PTR(err);
}
/* */
@ -199,9 +220,8 @@ sc_netlink_register_device(struct net *net, uint32_t ifindex, uint8_t radioid,
/* Create device */
nldev = sc_netlink_new_device(net, ifindex, radioid, wlanid, binding);
if (nldev) {
if (!IS_ERR(nldev))
list_add_rcu(&nldev->list, &sn->sc_netlink_dev_list);
}
return nldev;
}
@ -533,9 +553,8 @@ static int sc_netlink_join_mac80211_device(struct sk_buff* skb, struct genl_info
nla_get_u8(info->attrs[NLSMARTCAPWAP_ATTR_RADIOID]),
nla_get_u8(info->attrs[NLSMARTCAPWAP_ATTR_WLANID]),
nla_get_u8(info->attrs[NLSMARTCAPWAP_ATTR_BINDING]));
if (!nldev) {
return -EINVAL;
}
if (IS_ERR(nldev))
PTR_ERR(nldev);
/* */
if (info->attrs[NLSMARTCAPWAP_ATTR_FLAGS]) {
@ -943,7 +962,7 @@ int __init sc_netlink_init(void) {
if (ret)
goto unreg_genl_family;
pr_info("smartCAPWAP module loaded");
pr_info("smartCAPWAP module loaded\n");
return 0;
unreg_genl_family: