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-rw-r--r--include/net/cfg80211.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 396e8fc..f93ec48 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -536,6 +536,11 @@ struct sta_bss_parameters {
* This number should increase every time the list of stations
* changes, i.e. when a station is added or removed, so that
* userspace can tell whether it got a consistent snapshot.
+ * @assoc_req_ies: IEs from (Re)Association Request.
+ * This is used only when in AP mode with drivers that do not use
+ * user space MLME/SME implementation. The information is provided for
+ * the cfg80211_new_sta() calls to notify user space of the IEs.
+ * @assoc_req_ies_len: Length of assoc_req_ies buffer in octets.
*/
struct station_info {
u32 filled;
@@ -558,6 +563,14 @@ struct station_info {
struct sta_bss_parameters bss_param;
int generation;
+
+ const u8 *assoc_req_ies;
+ size_t assoc_req_ies_len;
+
+ /*
+ * Note: Add a new enum station_info_flags value for each new field and
+ * use it to check which fields are initialized.
+ */
};
/**
@@ -2897,6 +2910,32 @@ void cfg80211_roamed(struct net_device *dev,
const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp);
/**
+ * cfg80211_roamed_bss - notify cfg80211 of roaming
+ *
+ * @dev: network device
+ * @bss: entry of bss to which STA got roamed
+ * @req_ie: association request IEs (maybe be %NULL)
+ * @req_ie_len: association request IEs length
+ * @resp_ie: association response IEs (may be %NULL)
+ * @resp_ie_len: assoc response IEs length
+ * @gfp: allocation flags
+ *
+ * This is just a wrapper to notify cfg80211 of roaming event with driver
+ * passing bss to avoid a race in timeout of the bss entry. It should be
+ * called by the underlying driver whenever it roamed from one AP to another
+ * while connected. Drivers which have roaming implemented in firmware
+ * may use this function to avoid a race in bss entry timeout where the bss
+ * entry of the new AP is seen in the driver, but gets timed out by the time
+ * it is accessed in __cfg80211_roamed() due to delay in scheduling
+ * rdev->event_work. In case of any failures, the reference is released
+ * either in cfg80211_roamed_bss() or in __cfg80211_romed(), Otherwise,
+ * it will be released while diconneting from the current bss.
+ */
+void cfg80211_roamed_bss(struct net_device *dev, struct cfg80211_bss *bss,
+ const u8 *req_ie, size_t req_ie_len,
+ const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp);
+
+/**
* cfg80211_disconnected - notify cfg80211 that connection was dropped
*
* @dev: network device