nl80211: PMKSA caching support
This is an interface to set, delete and flush PMKIDs through nl80211.
Main users would be fullmac devices which firmwares are capable of
generating the RSN IEs for the re-association requests, e.g. iwmc3200wifi.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index a6492e9..0884b9a 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -871,6 +871,19 @@
u32 fixed; /* fixed bitrate, 0 == not fixed */
u32 maxrate; /* in kbps, 0 == no limit */
};
+/**
+ * struct cfg80211_pmksa - PMK Security Association
+ *
+ * This structure is passed to the set/del_pmksa() method for PMKSA
+ * caching.
+ *
+ * @bssid: The AP's BSSID.
+ * @pmkid: The PMK material itself.
+ */
+struct cfg80211_pmksa {
+ u8 *bssid;
+ u8 *pmkid;
+};
/**
* struct cfg80211_ops - backend description for wireless configuration
@@ -976,6 +989,13 @@
* @dump_survey: get site survey information.
*
* @testmode_cmd: run a test mode command
+ *
+ * @set_pmksa: Cache a PMKID for a BSSID. This is mostly useful for fullmac
+ * devices running firmwares capable of generating the (re) association
+ * RSN IE. It allows for faster roaming between WPA2 BSSIDs.
+ * @del_pmksa: Delete a cached PMKID.
+ * @flush_pmksa: Flush all cached PMKIDs.
+ *
*/
struct cfg80211_ops {
int (*suspend)(struct wiphy *wiphy);
@@ -1097,6 +1117,12 @@
int (*dump_survey)(struct wiphy *wiphy, struct net_device *netdev,
int idx, struct survey_info *info);
+ int (*set_pmksa)(struct wiphy *wiphy, struct net_device *netdev,
+ struct cfg80211_pmksa *pmksa);
+ int (*del_pmksa)(struct wiphy *wiphy, struct net_device *netdev,
+ struct cfg80211_pmksa *pmksa);
+ int (*flush_pmksa)(struct wiphy *wiphy, struct net_device *netdev);
+
/* some temporary stuff to finish wext */
int (*set_power_mgmt)(struct wiphy *wiphy, struct net_device *dev,
bool enabled, int timeout);
@@ -1195,6 +1221,8 @@
char fw_version[ETHTOOL_BUSINFO_LEN];
u32 hw_version;
+ u8 max_num_pmkids;
+
/* If multiple wiphys are registered and you're handed e.g.
* a regular netdev with assigned ieee80211_ptr, you won't
* know whether it points to a wiphy your driver has registered