Commit 1c90f9d4 authored by Johannes Berg's avatar Johannes Berg

nl80211: send interface after creation

After a new virtual interface is created, reply
to userspace with a message detailing it so it
knows the new wdev identifier.
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 84efbb84
...@@ -1972,6 +1972,7 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) ...@@ -1972,6 +1972,7 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct vif_params params; struct vif_params params;
struct wireless_dev *wdev; struct wireless_dev *wdev;
struct sk_buff *msg;
int err; int err;
enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
u32 flags; u32 flags;
...@@ -1998,14 +1999,20 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) ...@@ -1998,14 +1999,20 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
return err; return err;
} }
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
return -ENOMEM;
err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
&flags); &flags);
wdev = rdev->ops->add_virtual_intf(&rdev->wiphy, wdev = rdev->ops->add_virtual_intf(&rdev->wiphy,
nla_data(info->attrs[NL80211_ATTR_IFNAME]), nla_data(info->attrs[NL80211_ATTR_IFNAME]),
type, err ? NULL : &flags, &params); type, err ? NULL : &flags, &params);
if (IS_ERR(wdev)) if (IS_ERR(wdev)) {
nlmsg_free(msg);
return PTR_ERR(wdev); return PTR_ERR(wdev);
}
if (type == NL80211_IFTYPE_MESH_POINT && if (type == NL80211_IFTYPE_MESH_POINT &&
info->attrs[NL80211_ATTR_MESH_ID]) { info->attrs[NL80211_ATTR_MESH_ID]) {
...@@ -2019,7 +2026,13 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) ...@@ -2019,7 +2026,13 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
wdev_unlock(wdev); wdev_unlock(wdev);
} }
return 0; if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0,
rdev, wdev) < 0) {
nlmsg_free(msg);
return -ENOBUFS;
}
return genlmsg_reply(msg, info);
} }
static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
......
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