Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

Pull networking updates from David Miller:

 1) Add TX fast path in mac80211, from Johannes Berg.

 2) Add TSO/GRO support to ibmveth, from Thomas Falcon

 3) Move away from cached routes in ipv6, just like ipv4, from Martin
    KaFai Lau.

 4) Lots of new rhashtable tests, from Thomas Graf.

 5) Run ingress qdisc lockless, from Alexei Starovoitov.

 6) Allow servers to fetch TCP packet headers for SYN packets of new
    connections, for fingerprinting.  From Eric Dumazet.

 7) Add mode parameter to pktgen, for testing receive.  From Alexei
    Starovoitov.

 8) Cache access optimizations via simplifications of build_skb(), from
    Alexander Duyck.

 9) Move page frag allocator under mm/, also from Alexander.

10) Add xmit_more support to hv_netvsc, from KY Srinivasan.

11) Add a counter guard in case we try to perform endless reclassify
    loops in the packet scheduler.

12) Extern flow dissector to be programmable and use it in new "Flower"
    classifier.  From Jiri Pirko.

13) AF_PACKET fanout rollover fixes, performance improvements, and new
    statistics.  From Willem de Bruijn.

14) Add netdev driver for GENEVE tunnels, from John W Linville.

15) Add ingress netfilter hooks and filtering, from Pablo Neira Ayuso.

16) Fix handling of epoll edge triggers in TCP, from Eric Dumazet.

17) Add an ECN retry fallback for the initial TCP handshake, from Daniel
    Borkmann.

18) Add tail call support to BPF, from Alexei Starovoitov.

19) Add several pktgen helper scripts, from Jesper Dangaard Brouer.

20) Add zerocopy support to AF_UNIX, from Hannes Frederic Sowa.

21) Favor even port numbers for allocation to connect() requests, and
    odd port numbers for bind(0), in an effort to help avoid
    ip_local_port_range exhaustion.  From Eric Dumazet.

22) Add Cavium ThunderX driver, from Sunil Goutham.

23) Allow bpf programs to access skb_iif and dev->ifindex SKB metadata,
    from Alexei Starovoitov.

24) Add support for T6 chips in cxgb4vf driver, from Hariprasad Shenai.

25) Double TCP Small Queues default to 256K to accomodate situations
    like the XEN driver and wireless aggregation.  From Wei Liu.

26) Add more entropy inputs to flow dissector, from Tom Herbert.

27) Add CDG congestion control algorithm to TCP, from Kenneth Klette
    Jonassen.

28) Convert ipset over to RCU locking, from Jozsef Kadlecsik.

29) Track and act upon link status of ipv4 route nexthops, from Andy
    Gospodarek.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1670 commits)
  bridge: vlan: flush the dynamically learned entries on port vlan delete
  bridge: multicast: add a comment to br_port_state_selection about blocking state
  net: inet_diag: export IPV6_V6ONLY sockopt
  stmmac: troubleshoot unexpected bits in des0 & des1
  net: ipv4 sysctl option to ignore routes when nexthop link is down
  net: track link-status of ipv4 nexthops
  net: switchdev: ignore unsupported bridge flags
  net: Cavium: Fix MAC address setting in shutdown state
  drivers: net: xgene: fix for ACPI support without ACPI
  ip: report the original address of ICMP messages
  net/mlx5e: Prefetch skb data on RX
  net/mlx5e: Pop cq outside mlx5e_get_cqe
  net/mlx5e: Remove mlx5e_cq.sqrq back-pointer
  net/mlx5e: Remove extra spaces
  net/mlx5e: Avoid TX CQE generation if more xmit packets expected
  net/mlx5e: Avoid redundant dev_kfree_skb() upon NOP completion
  net/mlx5e: Remove re-assignment of wq type in mlx5e_enable_rq()
  net/mlx5e: Use skb_shinfo(skb)->gso_segs rather than counting them
  net/mlx5e: Static mapping of netdev priv resources to/from netdev TX queues
  net/mlx4_en: Use HW counters for rx/tx bytes/packets in PF device
  ...

1 files changed, 152 insertions, 113 deletions

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index fc57f6b..6b1077c 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -337,10 +337,16 @@ enum ieee80211_bss_change {
  * enum ieee80211_event_type - event to be notified to the low level driver
  * @RSSI_EVENT: AP's rssi crossed the a threshold set by the driver.
  * @MLME_EVENT: event related to MLME
+ * @BAR_RX_EVENT: a BAR was received
+ * @BA_FRAME_TIMEOUT: Frames were released from the reordering buffer because
+ *	they timed out. This won't be called for each frame released, but only
+ *	once each time the timeout triggers.
  */
 enum ieee80211_event_type {
 	RSSI_EVENT,
 	MLME_EVENT,
+	BAR_RX_EVENT,
+	BA_FRAME_TIMEOUT,
 };
 
 /**
@@ -400,17 +406,31 @@ struct ieee80211_mlme_event {
 };
 
 /**
+ * struct ieee80211_ba_event - data attached for BlockAck related events
+ * @sta: pointer to the &ieee80211_sta to which this event relates
+ * @tid: the tid
+ * @ssn: the starting sequence number (for %BAR_RX_EVENT)
+ */
+struct ieee80211_ba_event {
+	struct ieee80211_sta *sta;
+	u16 tid;
+	u16 ssn;
+};
+
+/**
  * struct ieee80211_event - event to be sent to the driver
  * @type: The event itself. See &enum ieee80211_event_type.
  * @rssi: relevant if &type is %RSSI_EVENT
  * @mlme: relevant if &type is %AUTH_EVENT
- * @u:    union holding the above two fields
+ * @ba: relevant if &type is %BAR_RX_EVENT or %BA_FRAME_TIMEOUT
+ * @u:union holding the fields above
  */
 struct ieee80211_event {
 	enum ieee80211_event_type type;
 	union {
 		struct ieee80211_rssi_event rssi;
 		struct ieee80211_mlme_event mlme;
+		struct ieee80211_ba_event ba;
 	} u;
 };
 
@@ -426,12 +446,8 @@ struct ieee80211_event {
  * @ibss_creator: indicates if a new IBSS network is being created
  * @aid: association ID number, valid only when @assoc is true
  * @use_cts_prot: use CTS protection
- * @use_short_preamble: use 802.11b short preamble;
- *	if the hardware cannot handle this it must set the
- *	IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE hardware flag
- * @use_short_slot: use short slot time (only relevant for ERP);
- *	if the hardware cannot handle this it must set the
- *	IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE hardware flag
+ * @use_short_preamble: use 802.11b short preamble
+ * @use_short_slot: use short slot time (only relevant for ERP)
  * @dtim_period: num of beacons before the next DTIM, for beaconing,
  *	valid in station mode only if after the driver was notified
  *	with the %BSS_CHANGED_BEACON_INFO flag, will be non-zero then.
@@ -855,6 +871,9 @@ struct ieee80211_tx_info {
 			/* 4 bytes free */
 		} control;
 		struct {
+			u64 cookie;
+		} ack;
+		struct {
 			struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES];
 			s32 ack_signal;
 			u8 ampdu_ack_len;
@@ -1459,6 +1478,9 @@ enum ieee80211_key_flags {
  *	wants to be given when a frame is transmitted and needs to be
  *	encrypted in hardware.
  * @cipher: The key's cipher suite selector.
+ * @tx_pn: PN used for TX on non-TKIP keys, may be used by the driver
+ *	as well if it needs to do software PN assignment by itself
+ *	(e.g. due to TSO)
  * @flags: key flags, see &enum ieee80211_key_flags.
  * @keyidx: the key index (0-3)
  * @keylen: key material length
@@ -1471,6 +1493,7 @@ enum ieee80211_key_flags {
  * @iv_len: The IV length for this key type
  */
 struct ieee80211_key_conf {
+	atomic64_t tx_pn;
 	u32 cipher;
 	u8 icv_len;
 	u8 iv_len;
@@ -1481,6 +1504,47 @@ struct ieee80211_key_conf {
 	u8 key[0];
 };
 
+#define IEEE80211_MAX_PN_LEN	16
+
+/**
+ * struct ieee80211_key_seq - key sequence counter
+ *
+ * @tkip: TKIP data, containing IV32 and IV16 in host byte order
+ * @ccmp: PN data, most significant byte first (big endian,
+ *	reverse order than in packet)
+ * @aes_cmac: PN data, most significant byte first (big endian,
+ *	reverse order than in packet)
+ * @aes_gmac: PN data, most significant byte first (big endian,
+ *	reverse order than in packet)
+ * @gcmp: PN data, most significant byte first (big endian,
+ *	reverse order than in packet)
+ * @hw: data for HW-only (e.g. cipher scheme) keys
+ */
+struct ieee80211_key_seq {
+	union {
+		struct {
+			u32 iv32;
+			u16 iv16;
+		} tkip;
+		struct {
+			u8 pn[6];
+		} ccmp;
+		struct {
+			u8 pn[6];
+		} aes_cmac;
+		struct {
+			u8 pn[6];
+		} aes_gmac;
+		struct {
+			u8 pn[6];
+		} gcmp;
+		struct {
+			u8 seq[IEEE80211_MAX_PN_LEN];
+			u8 seq_len;
+		} hw;
+	};
+};
+
 /**
  * struct ieee80211_cipher_scheme - cipher scheme
  *
@@ -1667,8 +1731,7 @@ struct ieee80211_tx_control {
  * @sta: station table entry, %NULL for per-vif queue
  * @tid: the TID for this queue (unused for per-vif queue)
  * @ac: the AC for this queue
- * @drv_priv: data area for driver use, will always be aligned to
- *	sizeof(void *).
+ * @drv_priv: driver private area, sized by hw->txq_data_size
  *
  * The driver can obtain packets from this queue by calling
  * ieee80211_tx_dequeue().
@@ -1717,13 +1780,6 @@ struct ieee80211_txq {
  *	multicast frames when there are power saving stations so that
  *	the driver can fetch them with ieee80211_get_buffered_bc().
  *
- * @IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE:
- *	Hardware is not capable of short slot operation on the 2.4 GHz band.
- *
- * @IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE:
- *	Hardware is not capable of receiving frames with short preamble on
- *	the 2.4 GHz band.
- *
  * @IEEE80211_HW_SIGNAL_UNSPEC:
  *	Hardware can provide signal values but we don't know its units. We
  *	expect values between 0 and @max_signal.
@@ -1798,6 +1854,10 @@ struct ieee80211_txq {
  *	the driver returns 1. This also forces the driver to advertise its
  *	supported cipher suites.
  *
+ * @IEEE80211_HW_SUPPORT_FAST_XMIT: The driver/hardware supports fast-xmit,
+ *	this currently requires only the ability to calculate the duration
+ *	for frames.
+ *
  * @IEEE80211_HW_QUEUE_CONTROL: The driver wants to control per-interface
  *	queue mapping in order to use different queues (not just one per AC)
  *	for different virtual interfaces. See the doc section on HW queue
@@ -1825,41 +1885,44 @@ struct ieee80211_txq {
  * @IEEE80211_HW_SUPPORTS_CLONED_SKBS: The driver will never modify the payload
  *	or tailroom of TX skbs without copying them first.
  *
- * @IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS: The HW supports scanning on all bands
+ * @IEEE80211_HW_SINGLE_SCAN_ON_ALL_BANDS: The HW supports scanning on all bands
  *	in one command, mac80211 doesn't have to run separate scans per band.
+ *
+ * @NUM_IEEE80211_HW_FLAGS: number of hardware flags, used for sizing arrays
  */
 enum ieee80211_hw_flags {
-	IEEE80211_HW_HAS_RATE_CONTROL			= 1<<0,
-	IEEE80211_HW_RX_INCLUDES_FCS			= 1<<1,
-	IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING	= 1<<2,
-	IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE		= 1<<3,
-	IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE	= 1<<4,
-	IEEE80211_HW_SIGNAL_UNSPEC			= 1<<5,
-	IEEE80211_HW_SIGNAL_DBM				= 1<<6,
-	IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC		= 1<<7,
-	IEEE80211_HW_SPECTRUM_MGMT			= 1<<8,
-	IEEE80211_HW_AMPDU_AGGREGATION			= 1<<9,
-	IEEE80211_HW_SUPPORTS_PS			= 1<<10,
-	IEEE80211_HW_PS_NULLFUNC_STACK			= 1<<11,
-	IEEE80211_HW_SUPPORTS_DYNAMIC_PS		= 1<<12,
-	IEEE80211_HW_MFP_CAPABLE			= 1<<13,
-	IEEE80211_HW_WANT_MONITOR_VIF			= 1<<14,
-	IEEE80211_HW_NO_AUTO_VIF			= 1<<15,
-	IEEE80211_HW_SW_CRYPTO_CONTROL			= 1<<16,
-	/* free slots */
-	IEEE80211_HW_REPORTS_TX_ACK_STATUS		= 1<<18,
-	IEEE80211_HW_CONNECTION_MONITOR			= 1<<19,
-	IEEE80211_HW_QUEUE_CONTROL			= 1<<20,
-	IEEE80211_HW_SUPPORTS_PER_STA_GTK		= 1<<21,
-	IEEE80211_HW_AP_LINK_PS				= 1<<22,
-	IEEE80211_HW_TX_AMPDU_SETUP_IN_HW		= 1<<23,
-	IEEE80211_HW_SUPPORTS_RC_TABLE			= 1<<24,
-	IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF		= 1<<25,
-	IEEE80211_HW_TIMING_BEACON_ONLY			= 1<<26,
-	IEEE80211_HW_SUPPORTS_HT_CCK_RATES		= 1<<27,
-	IEEE80211_HW_CHANCTX_STA_CSA			= 1<<28,
-	IEEE80211_HW_SUPPORTS_CLONED_SKBS		= 1<<29,
-	IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS		= 1<<30,
+	IEEE80211_HW_HAS_RATE_CONTROL,
+	IEEE80211_HW_RX_INCLUDES_FCS,
+	IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING,
+	IEEE80211_HW_SIGNAL_UNSPEC,
+	IEEE80211_HW_SIGNAL_DBM,
+	IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC,
+	IEEE80211_HW_SPECTRUM_MGMT,
+	IEEE80211_HW_AMPDU_AGGREGATION,
+	IEEE80211_HW_SUPPORTS_PS,
+	IEEE80211_HW_PS_NULLFUNC_STACK,
+	IEEE80211_HW_SUPPORTS_DYNAMIC_PS,
+	IEEE80211_HW_MFP_CAPABLE,
+	IEEE80211_HW_WANT_MONITOR_VIF,
+	IEEE80211_HW_NO_AUTO_VIF,
+	IEEE80211_HW_SW_CRYPTO_CONTROL,
+	IEEE80211_HW_SUPPORT_FAST_XMIT,
+	IEEE80211_HW_REPORTS_TX_ACK_STATUS,
+	IEEE80211_HW_CONNECTION_MONITOR,
+	IEEE80211_HW_QUEUE_CONTROL,
+	IEEE80211_HW_SUPPORTS_PER_STA_GTK,
+	IEEE80211_HW_AP_LINK_PS,
+	IEEE80211_HW_TX_AMPDU_SETUP_IN_HW,
+	IEEE80211_HW_SUPPORTS_RC_TABLE,
+	IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF,
+	IEEE80211_HW_TIMING_BEACON_ONLY,
+	IEEE80211_HW_SUPPORTS_HT_CCK_RATES,
+	IEEE80211_HW_CHANCTX_STA_CSA,
+	IEEE80211_HW_SUPPORTS_CLONED_SKBS,
+	IEEE80211_HW_SINGLE_SCAN_ON_ALL_BANDS,
+
+	/* keep last, obviously */
+	NUM_IEEE80211_HW_FLAGS
 };
 
 /**
@@ -1940,8 +2003,8 @@ enum ieee80211_hw_flags {
  *	Use the %IEEE80211_RADIOTAP_VHT_KNOWN_* values.
  *
  * @netdev_features: netdev features to be set in each netdev created
- *	from this HW. Note only HW checksum features are currently
- *	compatible with mac80211. Other feature bits will be rejected.
+ *	from this HW. Note that not all features are usable with mac80211,
+ *	other features will be rejected during HW registration.
  *
  * @uapsd_queues: This bitmap is included in (re)association frame to indicate
  *	for each access category if it is uAPSD trigger-enabled and delivery-
@@ -1966,7 +2029,7 @@ struct ieee80211_hw {
 	struct wiphy *wiphy;
 	const char *rate_control_algorithm;
 	void *priv;
-	u32 flags;
+	unsigned long flags[BITS_TO_LONGS(NUM_IEEE80211_HW_FLAGS)];
 	unsigned int extra_tx_headroom;
 	unsigned int extra_beacon_tailroom;
 	int vif_data_size;
@@ -1992,6 +2055,20 @@ struct ieee80211_hw {
 	int txq_ac_max_pending;
 };
 
+static inline bool _ieee80211_hw_check(struct ieee80211_hw *hw,
+				       enum ieee80211_hw_flags flg)
+{
+	return test_bit(flg, hw->flags);
+}
+#define ieee80211_hw_check(hw, flg)	_ieee80211_hw_check(hw, IEEE80211_HW_##flg)
+
+static inline void _ieee80211_hw_set(struct ieee80211_hw *hw,
+				     enum ieee80211_hw_flags flg)
+{
+	return __set_bit(flg, hw->flags);
+}
+#define ieee80211_hw_set(hw, flg)	_ieee80211_hw_set(hw, IEEE80211_HW_##flg)
+
 /**
  * struct ieee80211_scan_request - hw scan request
  *
@@ -2505,10 +2582,6 @@ void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb);
  * stack. It is always safe to pass more frames than requested,
  * but this has negative impact on power consumption.
  *
- * @FIF_PROMISC_IN_BSS: promiscuous mode within your BSS,
- *	think of the BSS as your network segment and then this corresponds
- *	to the regular ethernet device promiscuous mode.
- *
  * @FIF_ALLMULTI: pass all multicast frames, this is used if requested
  *	by the user or if the hardware is not capable of filtering by
  *	multicast address.
@@ -2525,18 +2598,16 @@ void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb);
  *	mac80211 needs to do and the amount of CPU wakeups, so you should
  *	honour this flag if possible.
  *
- * @FIF_CONTROL: pass control frames (except for PS Poll), if PROMISC_IN_BSS
- * 	is not set then only those addressed to this station.
+ * @FIF_CONTROL: pass control frames (except for PS Poll) addressed to this
+ *	station
  *
  * @FIF_OTHER_BSS: pass frames destined to other BSSes
  *
- * @FIF_PSPOLL: pass PS Poll frames, if PROMISC_IN_BSS is not set then only
- * 	those addressed to this station.
+ * @FIF_PSPOLL: pass PS Poll frames
  *
  * @FIF_PROBE_REQ: pass probe request frames
  */
 enum ieee80211_filter_flags {
-	FIF_PROMISC_IN_BSS	= 1<<0,
 	FIF_ALLMULTI		= 1<<1,
 	FIF_FCSFAIL		= 1<<2,
 	FIF_PLCPFAIL		= 1<<3,
@@ -2819,9 +2890,9 @@ enum ieee80211_reconfig_type {
  * 	Returns zero if statistics are available.
  *	The callback can sleep.
  *
- * @get_tkip_seq: If your device implements TKIP encryption in hardware this
- *	callback should be provided to read the TKIP transmit IVs (both IV32
- *	and IV16) for the given key from hardware.
+ * @get_key_seq: If your device implements encryption in hardware and does
+ *	IV/PN assignment then this callback should be provided to read the
+ *	IV/PN for the given key from hardware.
  *	The callback must be atomic.
  *
  * @set_frag_threshold: Configuration of fragmentation threshold. Assign this
@@ -3004,7 +3075,7 @@ enum ieee80211_reconfig_type {
  *	The callback can sleep.
  * @event_callback: Notify driver about any event in mac80211. See
  *	&enum ieee80211_event_type for the different types.
- *	The callback can sleep.
+ *	The callback must be atomic.
  *
  * @release_buffered_frames: Release buffered frames according to the given
  *	parameters. In the case where the driver buffers some frames for
@@ -3220,8 +3291,9 @@ struct ieee80211_ops {
 				 struct ieee80211_vif *vif);
 	int (*get_stats)(struct ieee80211_hw *hw,
 			 struct ieee80211_low_level_stats *stats);
-	void (*get_tkip_seq)(struct ieee80211_hw *hw, u8 hw_key_idx,
-			     u32 *iv32, u16 *iv16);
+	void (*get_key_seq)(struct ieee80211_hw *hw,
+			    struct ieee80211_key_conf *key,
+			    struct ieee80211_key_seq *seq);
 	int (*set_frag_threshold)(struct ieee80211_hw *hw, u32 value);
 	int (*set_rts_threshold)(struct ieee80211_hw *hw, u32 value);
 	int (*sta_add)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
@@ -3469,14 +3541,15 @@ enum ieee80211_tpt_led_trigger_flags {
 };
 
 #ifdef CONFIG_MAC80211_LEDS
-char *__ieee80211_get_tx_led_name(struct ieee80211_hw *hw);
-char *__ieee80211_get_rx_led_name(struct ieee80211_hw *hw);
-char *__ieee80211_get_assoc_led_name(struct ieee80211_hw *hw);
-char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw);
-char *__ieee80211_create_tpt_led_trigger(struct ieee80211_hw *hw,
-					 unsigned int flags,
-					 const struct ieee80211_tpt_blink *blink_table,
-					 unsigned int blink_table_len);
+const char *__ieee80211_get_tx_led_name(struct ieee80211_hw *hw);
+const char *__ieee80211_get_rx_led_name(struct ieee80211_hw *hw);
+const char *__ieee80211_get_assoc_led_name(struct ieee80211_hw *hw);
+const char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw);
+const char *
+__ieee80211_create_tpt_led_trigger(struct ieee80211_hw *hw,
+				   unsigned int flags,
+				   const struct ieee80211_tpt_blink *blink_table,
+				   unsigned int blink_table_len);
 #endif
 /**
  * ieee80211_get_tx_led_name - get name of TX LED
@@ -3490,7 +3563,7 @@ char *__ieee80211_create_tpt_led_trigger(struct ieee80211_hw *hw,
  *
  * Return: The name of the LED trigger. %NULL if not configured for LEDs.
  */
-static inline char *ieee80211_get_tx_led_name(struct ieee80211_hw *hw)
+static inline const char *ieee80211_get_tx_led_name(struct ieee80211_hw *hw)
 {
 #ifdef CONFIG_MAC80211_LEDS
 	return __ieee80211_get_tx_led_name(hw);
@@ -3511,7 +3584,7 @@ static inline char *ieee80211_get_tx_led_name(struct ieee80211_hw *hw)
  *
  * Return: The name of the LED trigger. %NULL if not configured for LEDs.
  */
-static inline char *ieee80211_get_rx_led_name(struct ieee80211_hw *hw)
+static inline const char *ieee80211_get_rx_led_name(struct ieee80211_hw *hw)
 {
 #ifdef CONFIG_MAC80211_LEDS
 	return __ieee80211_get_rx_led_name(hw);
@@ -3532,7 +3605,7 @@ static inline char *ieee80211_get_rx_led_name(struct ieee80211_hw *hw)
  *
  * Return: The name of the LED trigger. %NULL if not configured for LEDs.
  */
-static inline char *ieee80211_get_assoc_led_name(struct ieee80211_hw *hw)
+static inline const char *ieee80211_get_assoc_led_name(struct ieee80211_hw *hw)
 {
 #ifdef CONFIG_MAC80211_LEDS
 	return __ieee80211_get_assoc_led_name(hw);
@@ -3553,7 +3626,7 @@ static inline char *ieee80211_get_assoc_led_name(struct ieee80211_hw *hw)
  *
  * Return: The name of the LED trigger. %NULL if not configured for LEDs.
  */
-static inline char *ieee80211_get_radio_led_name(struct ieee80211_hw *hw)
+static inline const char *ieee80211_get_radio_led_name(struct ieee80211_hw *hw)
 {
 #ifdef CONFIG_MAC80211_LEDS
 	return __ieee80211_get_radio_led_name(hw);
@@ -3574,7 +3647,7 @@ static inline char *ieee80211_get_radio_led_name(struct ieee80211_hw *hw)
  *
  * Note: This function must be called before ieee80211_register_hw().
  */
-static inline char *
+static inline const char *
 ieee80211_create_tpt_led_trigger(struct ieee80211_hw *hw, unsigned int flags,
 				 const struct ieee80211_tpt_blink *blink_table,
 				 unsigned int blink_table_len)
@@ -4255,40 +4328,6 @@ void ieee80211_aes_cmac_calculate_k1_k2(struct ieee80211_key_conf *keyconf,
 					u8 *k1, u8 *k2);
 
 /**
- * struct ieee80211_key_seq - key sequence counter
- *
- * @tkip: TKIP data, containing IV32 and IV16 in host byte order
- * @ccmp: PN data, most significant byte first (big endian,
- *	reverse order than in packet)
- * @aes_cmac: PN data, most significant byte first (big endian,
- *	reverse order than in packet)
- * @aes_gmac: PN data, most significant byte first (big endian,
- *	reverse order than in packet)
- * @gcmp: PN data, most significant byte first (big endian,
- *	reverse order than in packet)
- */
-struct ieee80211_key_seq {
-	union {
-		struct {
-			u32 iv32;
-			u16 iv16;
-		} tkip;
-		struct {
-			u8 pn[6];
-		} ccmp;
-		struct {
-			u8 pn[6];
-		} aes_cmac;
-		struct {
-			u8 pn[6];
-		} aes_gmac;
-		struct {
-			u8 pn[6];
-		} gcmp;
-	};
-};
-
-/**
  * ieee80211_get_key_tx_seq - get key TX sequence counter
  *
  * @keyconf: the parameter passed with the set key