cfg80211: add cfg80211_inform_bss

Added cfg80211_inform_bss() for full-mac devices to use.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 2ae65b39b529..1396248dc5cc 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -414,6 +414,55 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev,
         return found;
 }
 
+struct cfg80211_bss*
+cfg80211_inform_bss(struct wiphy *wiphy,
+                    struct ieee80211_channel *channel,
+                    const u8 *bssid,
+                    u64 timestamp, u16 capability, u16 beacon_interval,
+                    const u8 *ie, size_t ielen,
+                    s32 signal, gfp_t gfp)
+{
+        struct cfg80211_internal_bss *res;
+        size_t privsz;
+
+        if (WARN_ON(!wiphy))
+                return NULL;
+
+        privsz = wiphy->bss_priv_size;
+
+        if (WARN_ON(wiphy->signal_type == NL80211_BSS_SIGNAL_UNSPEC &&
+                        (signal < 0 || signal > 100)))
+                return NULL;
+
+        res = kzalloc(sizeof(*res) + privsz + ielen, gfp);
+        if (!res)
+                return NULL;
+
+        memcpy(res->pub.bssid, bssid, ETH_ALEN);
+        res->pub.channel = channel;
+        res->pub.signal = signal;
+        res->pub.tsf = timestamp;
+        res->pub.beacon_interval = beacon_interval;
+        res->pub.capability = capability;
+        /* point to after the private area */
+        res->pub.information_elements = (u8 *)res + sizeof(*res) + privsz;
+        memcpy(res->pub.information_elements, ie, ielen);
+        res->pub.len_information_elements = ielen;
+
+        kref_init(&res->ref);
+
+        res = cfg80211_bss_update(wiphy_to_dev(wiphy), res, 0);
+        if (!res)
+                return NULL;
+
+        if (res->pub.capability & WLAN_CAPABILITY_ESS)
+                regulatory_hint_found_beacon(wiphy, channel, gfp);
+
+        /* cfg80211_bss_update gives us a referenced result */
+        return &res->pub;
+}
+EXPORT_SYMBOL(cfg80211_inform_bss);
+
 struct cfg80211_bss *
 cfg80211_inform_bss_frame(struct wiphy *wiphy,
                           struct ieee80211_channel *channel,