2 files changed, 44 insertions, 0 deletions

diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index f17307590e61..460b12a8ef66 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -499,6 +499,9 @@
  *      this command may also be sent by the driver as an MLME event to
  *      inform userspace of the new replay counter.
  *
+ * @NL80211_CMD_PMKSA_CANDIDATE: This is used as an event to inform userspace
+ *      of PMKSA caching dandidates.
+ *
  * @NL80211_CMD_MAX: highest used command number
  * @__NL80211_CMD_AFTER_LAST: internal use
  */
@@ -623,6 +626,8 @@ enum nl80211_commands {
 
         NL80211_CMD_SET_REKEY_OFFLOAD,
 
+        NL80211_CMD_PMKSA_CANDIDATE,
+
         /* add new commands above here */
 
         /* used to define NL80211_CMD_MAX below */
@@ -1070,6 +1075,9 @@ enum nl80211_commands {
  * @NL80211_ATTR_ROAM_SUPPORT: Indicates whether the firmware is capable of
  *      roaming to another AP in the same ESS if the signal lever is low.
  *
+ * @NL80211_ATTR_PMKSA_CANDIDATE: Nested attribute containing the PMKSA caching
+ *      candidate information, see &enum nl80211_pmksa_candidate_attr.
+ *
  * @NL80211_ATTR_MAX: highest attribute number currently defined
  * @__NL80211_ATTR_AFTER_LAST: internal use
  */
@@ -1288,6 +1296,8 @@ enum nl80211_attrs {
         NL80211_ATTR_SCHED_SCAN_MATCH,
         NL80211_ATTR_MAX_MATCH_SETS,
 
+        NL80211_ATTR_PMKSA_CANDIDATE,
+
         /* add attributes here, update the policy in nl80211.c */
 
         __NL80211_ATTR_AFTER_LAST,
@@ -2558,4 +2568,27 @@ enum nl80211_sta_wme_attr {
         NL80211_STA_WME_MAX = __NL80211_STA_WME_AFTER_LAST - 1
 };
 
+/**
+ * enum nl80211_pmksa_candidate_attr - attributes for PMKSA caching candidates
+ * @__NL80211_PMKSA_CANDIDATE_INVALID: invalid number for nested attributes
+ * @NL80211_PMKSA_CANDIDATE_INDEX: candidate index (u32; the smaller, the higher
+ *      priority)
+ * @NL80211_PMKSA_CANDIDATE_BSSID: candidate BSSID (6 octets)
+ * @NL80211_PMKSA_CANDIDATE_PREAUTH: RSN pre-authentication supported (flag)
+ * @NUM_NL80211_PMKSA_CANDIDATE: number of PMKSA caching candidate attributes
+ *      (internal)
+ * @MAX_NL80211_PMKSA_CANDIDATE: highest PMKSA caching candidate attribute
+ *      (internal)
+ */
+enum nl80211_pmksa_candidate_attr {
+        __NL80211_PMKSA_CANDIDATE_INVALID,
+        NL80211_PMKSA_CANDIDATE_INDEX,
+        NL80211_PMKSA_CANDIDATE_BSSID,
+        NL80211_PMKSA_CANDIDATE_PREAUTH,
+
+        /* keep last */
+        NUM_NL80211_PMKSA_CANDIDATE,
+        MAX_NL80211_PMKSA_CANDIDATE = NUM_NL80211_PMKSA_CANDIDATE - 1
+};
+
 #endif /* __LINUX_NL80211_H */
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 9518b5cfb822..6ac4bddeeeca 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -3136,6 +3136,17 @@ void cfg80211_cqm_pktloss_notify(struct net_device *dev,
 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
                                const u8 *replay_ctr, gfp_t gfp);
 
+/**
+ * cfg80211_pmksa_candidate_notify - notify about PMKSA caching candidate
+ * @dev: network device
+ * @index: candidate index (the smaller the index, the higher the priority)
+ * @bssid: BSSID of AP
+ * @preauth: Whether AP advertises support for RSN pre-authentication
+ * @gfp: allocation flags
+ */
+void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
+                                     const u8 *bssid, bool preauth, gfp_t gfp);
+
 /* Logging, debugging and troubleshooting/diagnostic helpers. */
 
 /* wiphy_printk helpers, similar to dev_printk */