1 files changed, 76 insertions, 0 deletions

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index a8bd453d22b9..08de0c6035f1 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -375,6 +375,9 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
         [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
                 .len = NL80211_VHT_CAPABILITY_LEN,
         },
+        [NL80211_ATTR_MDID] = { .type = NLA_U16 },
+        [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
+                                  .len = IEEE80211_MAX_DATA_LEN },
 };
 
 /* policy for the key attributes */
@@ -8160,6 +8163,27 @@ static int nl80211_get_protocol_features(struct sk_buff *skb,
         return -ENOBUFS;
 }
 
+static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
+{
+        struct cfg80211_registered_device *rdev = info->user_ptr[0];
+        struct cfg80211_update_ft_ies_params ft_params;
+        struct net_device *dev = info->user_ptr[1];
+
+        if (!rdev->ops->update_ft_ies)
+                return -EOPNOTSUPP;
+
+        if (!info->attrs[NL80211_ATTR_MDID] ||
+            !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
+                return -EINVAL;
+
+        memset(&ft_params, 0, sizeof(ft_params));
+        ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
+        ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
+        ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+
+        return rdev_update_ft_ies(rdev, dev, &ft_params);
+}
+
 #define NL80211_FLAG_NEED_WIPHY         0x01
 #define NL80211_FLAG_NEED_NETDEV        0x02
 #define NL80211_FLAG_NEED_RTNL          0x04
@@ -8841,6 +8865,14 @@ static struct genl_ops nl80211_ops[] = {
                 .doit = nl80211_get_protocol_features,
                 .policy = nl80211_policy,
         },
+        {
+                .cmd = NL80211_CMD_UPDATE_FT_IES,
+                .doit = nl80211_update_ft_ies,
+                .policy = nl80211_policy,
+                .flags = GENL_ADMIN_PERM,
+                .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+                                  NL80211_FLAG_NEED_RTNL,
+        },
 };
 
 static struct genl_multicast_group nl80211_mlme_mcgrp = {
@@ -10542,6 +10574,50 @@ static struct notifier_block nl80211_netlink_notifier = {
         .notifier_call = nl80211_netlink_notify,
 };
 
+void cfg80211_ft_event(struct net_device *netdev,
+                       struct cfg80211_ft_event_params *ft_event)
+{
+        struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
+        struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+        struct sk_buff *msg;
+        void *hdr;
+        int err;
+
+        trace_cfg80211_ft_event(wiphy, netdev, ft_event);
+
+        if (!ft_event->target_ap)
+                return;
+
+        msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+        if (!msg)
+                return;
+
+        hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
+        if (!hdr) {
+                nlmsg_free(msg);
+                return;
+        }
+
+        nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+        nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+        nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap);
+        if (ft_event->ies)
+                nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies);
+        if (ft_event->ric_ies)
+                nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
+                        ft_event->ric_ies);
+
+        err = genlmsg_end(msg, hdr);
+        if (err < 0) {
+                nlmsg_free(msg);
+                return;
+        }
+
+        genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+                                nl80211_mlme_mcgrp.id, GFP_KERNEL);
+}
+EXPORT_SYMBOL(cfg80211_ft_event);
+
 /* initialisation/exit functions */
 
 int nl80211_init(void)