1 files changed, 41 insertions, 0 deletions

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 24cb1080e238..796b13bfc953 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -105,6 +105,44 @@ struct ieee80211_bss {
          */
         bool has_erp_value;
         u8 erp_value;
+
+        /* Keep track of the corruption of the last beacon/probe response. */
+        u8 corrupt_data;
+
+        /* Keep track of what bits of information we have valid info for. */
+        u8 valid_data;
+};
+
+/**
+ * enum ieee80211_corrupt_data_flags - BSS data corruption flags
+ * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted
+ * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted
+ *
+ * These are bss flags that are attached to a bss in the
+ * @corrupt_data field of &struct ieee80211_bss.
+ */
+enum ieee80211_bss_corrupt_data_flags {
+        IEEE80211_BSS_CORRUPT_BEACON            = BIT(0),
+        IEEE80211_BSS_CORRUPT_PROBE_RESP        = BIT(1)
+};
+
+/**
+ * enum ieee80211_valid_data_flags - BSS valid data flags
+ * @IEEE80211_BSS_VALID_DTIM: DTIM data was gathered from non-corrupt IE
+ * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE
+ * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE
+ * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE
+ *
+ * These are bss flags that are attached to a bss in the
+ * @valid_data field of &struct ieee80211_bss.  They show which parts
+ * of the data structure were recieved as a result of an un-corrupted
+ * beacon/probe response.
+ */
+enum ieee80211_bss_valid_data_flags {
+        IEEE80211_BSS_VALID_DTIM                = BIT(0),
+        IEEE80211_BSS_VALID_WMM                 = BIT(1),
+        IEEE80211_BSS_VALID_RATES               = BIT(2),
+        IEEE80211_BSS_VALID_ERP                 = BIT(3)
 };
 
 static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss)
@@ -1120,6 +1158,9 @@ struct ieee802_11_elems {
         u8 quiet_elem_len;
         u8 num_of_quiet_elem;   /* can be more the one */
         u8 timeout_int_len;
+
+        /* whether a parse error occurred while retrieving these elements */
+        bool parse_error;
 };
 
 static inline struct ieee80211_local *hw_to_local(