3 files changed, 110 insertions, 8 deletions

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index b3ce299782af..23a8877f4ded 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -2288,4 +2288,8 @@ static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
         return !!(tim->virtual_map[index] & mask);
 }
 
+/* convert time units */
+#define TU_TO_JIFFIES(x)        (usecs_to_jiffies((x) * 1024))
+#define TU_TO_EXP_TIME(x)       (jiffies + TU_TO_JIFFIES(x))
+
 #endif /* LINUX_IEEE80211_H */
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index b7495c72061c..9ab7a0690d93 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -2081,7 +2081,7 @@ struct cfg80211_update_ft_ies_params {
  * @mgmt_tx_cancel_wait: Cancel the wait time from transmitting a management
  *      frame on another channel
  *
- * @testmode_cmd: run a test mode command
+ * @testmode_cmd: run a test mode command; @wdev may be %NULL
  * @testmode_dump: Implement a test mode dump. The cb->args[2] and up may be
  *      used by the function, but 0 and 1 must not be touched. Additionally,
  *      return error codes other than -ENOBUFS and -ENOENT will terminate the
@@ -2290,7 +2290,8 @@ struct cfg80211_ops {
         void    (*rfkill_poll)(struct wiphy *wiphy);
 
 #ifdef CONFIG_NL80211_TESTMODE
-        int     (*testmode_cmd)(struct wiphy *wiphy, void *data, int len);
+        int     (*testmode_cmd)(struct wiphy *wiphy, struct wireless_dev *wdev,
+                                void *data, int len);
         int     (*testmode_dump)(struct wiphy *wiphy, struct sk_buff *skb,
                                  struct netlink_callback *cb,
                                  void *data, int len);
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 9cda3728c2cb..e3e303778936 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -375,7 +375,7 @@ struct ieee80211_bss_conf {
 };
 
 /**
- * enum mac80211_tx_control_flags - flags to describe transmission information/status
+ * enum mac80211_tx_info_flags - flags to describe transmission information/status
  *
  * These flags are used with the @flags member of &ieee80211_tx_info.
  *
@@ -471,7 +471,7 @@ struct ieee80211_bss_conf {
  * Note: If you have to add new flags to the enumeration, then don't
  *       forget to update %IEEE80211_TX_TEMPORARY_FLAGS when necessary.
  */
-enum mac80211_tx_control_flags {
+enum mac80211_tx_info_flags {
         IEEE80211_TX_CTL_REQ_TX_STATUS          = BIT(0),
         IEEE80211_TX_CTL_ASSIGN_SEQ             = BIT(1),
         IEEE80211_TX_CTL_NO_ACK                 = BIT(2),
@@ -507,6 +507,18 @@ enum mac80211_tx_control_flags {
 
 #define IEEE80211_TX_CTL_STBC_SHIFT             23
 
+/**
+ * enum mac80211_tx_control_flags - flags to describe transmit control
+ *
+ * @IEEE80211_TX_CTRL_PORT_CTRL_PROTO: this frame is a port control
+ *      protocol frame (e.g. EAP)
+ *
+ * These flags are used in tx_info->control.flags.
+ */
+enum mac80211_tx_control_flags {
+        IEEE80211_TX_CTRL_PORT_CTRL_PROTO       = BIT(0),
+};
+
 /*
  * This definition is used as a mask to clear all temporary flags, which are
  * set by the tx handlers for each transmission attempt by the mac80211 stack.
@@ -680,7 +692,8 @@ struct ieee80211_tx_info {
                         /* NB: vif can be NULL for injected frames */
                         struct ieee80211_vif *vif;
                         struct ieee80211_key_conf *hw_key;
-                        /* 8 bytes free */
+                        u32 flags;
+                        /* 4 bytes free */
                 } control;
                 struct {
                         struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES];
@@ -2503,8 +2516,8 @@ enum ieee80211_roc_type {
  *      in IEEE 802.11-2007 section 17.3.8.6 and modify ACK timeout
  *      accordingly. This callback is not required and may sleep.
  *
- * @testmode_cmd: Implement a cfg80211 test mode command.
- *      The callback can sleep.
+ * @testmode_cmd: Implement a cfg80211 test mode command. The passed @vif may
+ *      be %NULL. The callback can sleep.
  * @testmode_dump: Implement a cfg80211 test mode dump. The callback can sleep.
  *
  * @flush: Flush all pending frames from the hardware queue, making sure
@@ -2765,7 +2778,8 @@ struct ieee80211_ops {
         void (*rfkill_poll)(struct ieee80211_hw *hw);
         void (*set_coverage_class)(struct ieee80211_hw *hw, u8 coverage_class);
 #ifdef CONFIG_NL80211_TESTMODE
-        int (*testmode_cmd)(struct ieee80211_hw *hw, void *data, int len);
+        int (*testmode_cmd)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+                            void *data, int len);
         int (*testmode_dump)(struct ieee80211_hw *hw, struct sk_buff *skb,
                              struct netlink_callback *cb,
                              void *data, int len);
@@ -3674,6 +3688,89 @@ void ieee80211_get_key_rx_seq(struct ieee80211_key_conf *keyconf,
                               int tid, struct ieee80211_key_seq *seq);
 
 /**
+ * ieee80211_set_key_tx_seq - set key TX sequence counter
+ *
+ * @keyconf: the parameter passed with the set key
+ * @seq: new sequence data
+ *
+ * This function allows a driver to set the current TX IV/PNs for the
+ * given key. This is useful when resuming from WoWLAN sleep and the
+ * device may have transmitted frames using the PTK, e.g. replies to
+ * ARP requests.
+ *
+ * Note that this function may only be called when no TX processing
+ * can be done concurrently.
+ */
+void ieee80211_set_key_tx_seq(struct ieee80211_key_conf *keyconf,
+                              struct ieee80211_key_seq *seq);
+
+/**
+ * ieee80211_set_key_rx_seq - set key RX sequence counter
+ *
+ * @keyconf: the parameter passed with the set key
+ * @tid: The TID, or -1 for the management frame value (CCMP only);
+ *      the value on TID 0 is also used for non-QoS frames. For
+ *      CMAC, only TID 0 is valid.
+ * @seq: new sequence data
+ *
+ * This function allows a driver to set the current RX IV/PNs for the
+ * given key. This is useful when resuming from WoWLAN sleep and GTK
+ * rekey may have been done while suspended. It should not be called
+ * if IV checking is done by the device and not by mac80211.
+ *
+ * Note that this function may only be called when no RX processing
+ * can be done concurrently.
+ */
+void ieee80211_set_key_rx_seq(struct ieee80211_key_conf *keyconf,
+                              int tid, struct ieee80211_key_seq *seq);
+
+/**
+ * ieee80211_remove_key - remove the given key
+ * @keyconf: the parameter passed with the set key
+ *
+ * Remove the given key. If the key was uploaded to the hardware at the
+ * time this function is called, it is not deleted in the hardware but
+ * instead assumed to have been removed already.
+ *
+ * Note that due to locking considerations this function can (currently)
+ * only be called during key iteration (ieee80211_iter_keys().)
+ */
+void ieee80211_remove_key(struct ieee80211_key_conf *keyconf);
+
+/**
+ * ieee80211_gtk_rekey_add - add a GTK key from rekeying during WoWLAN
+ * @vif: the virtual interface to add the key on
+ * @keyconf: new key data
+ *
+ * When GTK rekeying was done while the system was suspended, (a) new
+ * key(s) will be available. These will be needed by mac80211 for proper
+ * RX processing, so this function allows setting them.
+ *
+ * The function returns the newly allocated key structure, which will
+ * have similar contents to the passed key configuration but point to
+ * mac80211-owned memory. In case of errors, the function returns an
+ * ERR_PTR(), use IS_ERR() etc.
+ *
+ * Note that this function assumes the key isn't added to hardware
+ * acceleration, so no TX will be done with the key. Since it's a GTK
+ * on managed (station) networks, this is true anyway. If the driver
+ * calls this function from the resume callback and subsequently uses
+ * the return code 1 to reconfigure the device, this key will be part
+ * of the reconfiguration.
+ *
+ * Note that the driver should also call ieee80211_set_key_rx_seq()
+ * for the new key for each TID to set up sequence counters properly.
+ *
+ * IMPORTANT: If this replaces a key that is present in the hardware,
+ * then it will attempt to remove it during this call. In many cases
+ * this isn't what you want, so call ieee80211_remove_key() first for
+ * the key that's being replaced.
+ */
+struct ieee80211_key_conf *
+ieee80211_gtk_rekey_add(struct ieee80211_vif *vif,
+                        struct ieee80211_key_conf *keyconf);
+
+/**
  * ieee80211_gtk_rekey_notify - notify userspace supplicant of rekeying
  * @vif: virtual interface the rekeying was done on
  * @bssid: The BSSID of the AP, for checking association