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Diffstat (limited to 'net')
-rw-r--r--net/mac80211/util.c4
-rw-r--r--net/wireless/core.c6
-rw-r--r--net/wireless/nl80211.c8
3 files changed, 14 insertions, 4 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index cba4633cd6cf..1c8384f81526 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -3795,7 +3795,9 @@ int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata,
}
/* Always allow software iftypes */
- if (local->hw.wiphy->software_iftypes & BIT(iftype)) {
+ if (local->hw.wiphy->software_iftypes & BIT(iftype) ||
+ (iftype == NL80211_IFTYPE_AP_VLAN &&
+ local->hw.wiphy->flags & WIPHY_FLAG_4ADDR_AP)) {
if (radar_detect)
return -EINVAL;
return 0;
diff --git a/net/wireless/core.c b/net/wireless/core.c
index b36ad8efb5e5..4e83892f1ac2 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -1396,8 +1396,12 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
}
break;
case NETDEV_PRE_UP:
- if (!(wdev->wiphy->interface_modes & BIT(wdev->iftype)))
+ if (!(wdev->wiphy->interface_modes & BIT(wdev->iftype)) &&
+ !(wdev->iftype == NL80211_IFTYPE_AP_VLAN &&
+ rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP &&
+ wdev->use_4addr))
return notifier_from_errno(-EOPNOTSUPP);
+
if (rfkill_blocked(rdev->rfkill))
return notifier_from_errno(-ERFKILL);
break;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index fffe4b371e23..4b3c5281ca14 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3419,8 +3419,7 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_IFTYPE])
type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
- if (!rdev->ops->add_virtual_intf ||
- !(rdev->wiphy.interface_modes & (1 << type)))
+ if (!rdev->ops->add_virtual_intf)
return -EOPNOTSUPP;
if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
@@ -3439,6 +3438,11 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
return err;
}
+ if (!(rdev->wiphy.interface_modes & (1 << type)) &&
+ !(type == NL80211_IFTYPE_AP_VLAN && params.use_4addr &&
+ rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP))
+ return -EOPNOTSUPP;
+
err = nl80211_parse_mon_options(rdev, type, info, &params);
if (err < 0)
return err;