Merge branch 'for-davem' of ssh://master.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6

8 files changed, 209 insertions, 17 deletions

diff --git a/include/linux/bcma/bcma.h b/include/linux/bcma/bcma.h
index 3895aeb494a3..8c96654bef16 100644
--- a/include/linux/bcma/bcma.h
+++ b/include/linux/bcma/bcma.h
@@ -25,6 +25,11 @@ struct bcma_chipinfo {
 	u8 pkg;
 };
 
+enum bcma_clkmode {
+	BCMA_CLKMODE_FAST,
+	BCMA_CLKMODE_DYNAMIC,
+};
+
 struct bcma_host_ops {
 	u8 (*read8)(struct bcma_device *core, u16 offset);
 	u16 (*read16)(struct bcma_device *core, u16 offset);
@@ -243,8 +248,24 @@ void bcma_awrite32(struct bcma_device *core, u16 offset, u32 value)
 	core->bus->ops->awrite32(core, offset, value);
 }
 
+#define bcma_mask32(cc, offset, mask) \
+	bcma_write32(cc, offset, bcma_read32(cc, offset) & (mask))
+#define bcma_set32(cc, offset, set) \
+	bcma_write32(cc, offset, bcma_read32(cc, offset) | (set))
+#define bcma_maskset32(cc, offset, mask, set) \
+	bcma_write32(cc, offset, (bcma_read32(cc, offset) & (mask)) | (set))
+
 extern bool bcma_core_is_enabled(struct bcma_device *core);
 extern void bcma_core_disable(struct bcma_device *core, u32 flags);
 extern int bcma_core_enable(struct bcma_device *core, u32 flags);
+extern void bcma_core_set_clockmode(struct bcma_device *core,
+				    enum bcma_clkmode clkmode);
+extern void bcma_core_pll_ctl(struct bcma_device *core, u32 req, u32 status,
+			      bool on);
+#define BCMA_DMA_TRANSLATION_MASK	0xC0000000
+#define  BCMA_DMA_TRANSLATION_NONE	0x00000000
+#define  BCMA_DMA_TRANSLATION_DMA32_CMT	0x40000000 /* Client Mode Translation for 32-bit DMA */
+#define  BCMA_DMA_TRANSLATION_DMA64_CMT	0x80000000 /* Client Mode Translation for 64-bit DMA */
+extern u32 bcma_core_dma_translation(struct bcma_device *core);
 
 #endif /* LINUX_BCMA_H_ */
diff --git a/include/linux/bcma/bcma_driver_chipcommon.h b/include/linux/bcma/bcma_driver_chipcommon.h
index 9c5b69fc985a..a0f684615ae5 100644
--- a/include/linux/bcma/bcma_driver_chipcommon.h
+++ b/include/linux/bcma/bcma_driver_chipcommon.h
@@ -179,15 +179,7 @@
 #define BCMA_CC_PROG_WAITCNT		0x0124
 #define BCMA_CC_FLASH_CFG		0x0128
 #define BCMA_CC_FLASH_WAITCNT		0x012C
-#define BCMA_CC_CLKCTLST		0x01E0 /* Clock control and status (rev >= 20) */
-#define  BCMA_CC_CLKCTLST_FORCEALP	0x00000001 /* Force ALP request */
-#define  BCMA_CC_CLKCTLST_FORCEHT	0x00000002 /* Force HT request */
-#define  BCMA_CC_CLKCTLST_FORCEILP	0x00000004 /* Force ILP request */
-#define  BCMA_CC_CLKCTLST_HAVEALPREQ	0x00000008 /* ALP available request */
-#define  BCMA_CC_CLKCTLST_HAVEHTREQ	0x00000010 /* HT available request */
-#define  BCMA_CC_CLKCTLST_HWCROFF	0x00000020 /* Force HW clock request off */
-#define  BCMA_CC_CLKCTLST_HAVEHT	0x00010000 /* HT available */
-#define  BCMA_CC_CLKCTLST_HAVEALP	0x00020000 /* APL available */
+/* 0x1E0 is defined as shared BCMA_CLKCTLST */
 #define BCMA_CC_HW_WORKAROUND		0x01E4 /* Hardware workaround (rev >= 20) */
 #define BCMA_CC_UART0_DATA		0x0300
 #define BCMA_CC_UART0_IMR		0x0304
@@ -244,7 +236,8 @@
 #define BCMA_CC_REGCTL_DATA		0x065C
 #define BCMA_CC_PLLCTL_ADDR		0x0660
 #define BCMA_CC_PLLCTL_DATA		0x0664
-#define BCMA_CC_SPROM			0x0830 /* SPROM beginning */
+#define BCMA_CC_SPROM			0x0800 /* SPROM beginning */
+#define BCMA_CC_SPROM_PCIE6		0x0830 /* SPROM beginning on PCIe rev >= 6 */
 
 /* Data for the PMU, if available.
  * Check availability with ((struct bcma_chipcommon)->capabilities & BCMA_CC_CAP_PMU)
diff --git a/include/linux/bcma/bcma_regs.h b/include/linux/bcma/bcma_regs.h
index f82d88a960ce..9faae2ae02e8 100644
--- a/include/linux/bcma/bcma_regs.h
+++ b/include/linux/bcma/bcma_regs.h
@@ -1,13 +1,38 @@
 #ifndef LINUX_BCMA_REGS_H_
 #define LINUX_BCMA_REGS_H_
 
+/* Some single registers are shared between many cores */
+/* BCMA_CLKCTLST: ChipCommon (rev >= 20), PCIe, 80211 */
+#define BCMA_CLKCTLST			0x01E0 /* Clock control and status */
+#define  BCMA_CLKCTLST_FORCEALP		0x00000001 /* Force ALP request */
+#define  BCMA_CLKCTLST_FORCEHT		0x00000002 /* Force HT request */
+#define  BCMA_CLKCTLST_FORCEILP		0x00000004 /* Force ILP request */
+#define  BCMA_CLKCTLST_HAVEALPREQ	0x00000008 /* ALP available request */
+#define  BCMA_CLKCTLST_HAVEHTREQ	0x00000010 /* HT available request */
+#define  BCMA_CLKCTLST_HWCROFF		0x00000020 /* Force HW clock request off */
+#define  BCMA_CLKCTLST_EXTRESREQ	0x00000700 /* Mask of external resource requests */
+#define  BCMA_CLKCTLST_HAVEALP		0x00010000 /* ALP available */
+#define  BCMA_CLKCTLST_HAVEHT		0x00020000 /* HT available */
+#define  BCMA_CLKCTLST_BP_ON_ALP	0x00040000 /* RO: running on ALP clock */
+#define  BCMA_CLKCTLST_BP_ON_HT		0x00080000 /* RO: running on HT clock */
+#define  BCMA_CLKCTLST_EXTRESST		0x07000000 /* Mask of external resource status */
+/* Is there any BCM4328 on BCMA bus? */
+#define  BCMA_CLKCTLST_4328A0_HAVEHT	0x00010000 /* 4328a0 has reversed bits */
+#define  BCMA_CLKCTLST_4328A0_HAVEALP	0x00020000 /* 4328a0 has reversed bits */
+
 /* Agent registers (common for every core) */
-#define BCMA_IOCTL			0x0408
+#define BCMA_IOCTL			0x0408 /* IO control */
 #define  BCMA_IOCTL_CLK			0x0001
 #define  BCMA_IOCTL_FGC			0x0002
 #define  BCMA_IOCTL_CORE_BITS		0x3FFC
 #define  BCMA_IOCTL_PME_EN		0x4000
 #define  BCMA_IOCTL_BIST_EN		0x8000
+#define BCMA_IOST			0x0500 /* IO status */
+#define  BCMA_IOST_CORE_BITS		0x0FFF
+#define  BCMA_IOST_DMA64		0x1000
+#define  BCMA_IOST_GATED_CLK		0x2000
+#define  BCMA_IOST_BIST_ERROR		0x4000
+#define  BCMA_IOST_BIST_DONE		0x8000
 #define BCMA_RESET_CTL			0x0800
 #define  BCMA_RESET_CTL_RESET		0x0001
 
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index a26108e4d924..54c878960872 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -1453,6 +1453,43 @@ enum ieee80211_sa_query_action {
 
 #define WLAN_PMKID_LEN			16
 
+/*
+ * WMM/802.11e Tspec Element
+ */
+#define IEEE80211_WMM_IE_TSPEC_TID_MASK		0x0F
+#define IEEE80211_WMM_IE_TSPEC_TID_SHIFT	1
+
+enum ieee80211_tspec_status_code {
+	IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
+	IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
+};
+
+struct ieee80211_tspec_ie {
+	u8 element_id;
+	u8 len;
+	u8 oui[3];
+	u8 oui_type;
+	u8 oui_subtype;
+	u8 version;
+	__le16 tsinfo;
+	u8 tsinfo_resvd;
+	__le16 nominal_msdu;
+	__le16 max_msdu;
+	__le32 min_service_int;
+	__le32 max_service_int;
+	__le32 inactivity_int;
+	__le32 suspension_int;
+	__le32 service_start_time;
+	__le32 min_data_rate;
+	__le32 mean_data_rate;
+	__le32 peak_data_rate;
+	__le32 max_burst_size;
+	__le32 delay_bound;
+	__le32 min_phy_rate;
+	__le16 sba;
+	__le16 medium_time;
+} __packed;
+
 /**
  * ieee80211_get_qos_ctl - get pointer to qos control bytes
  * @hdr: the frame
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 8cb025a00094..e4da76c9e4d9 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -756,8 +756,12 @@ enum nl80211_commands {
  *
  * @NL80211_ATTR_MAX_NUM_SCAN_SSIDS: number of SSIDs you can scan with
  *	a single scan request, a wiphy attribute.
+ * @NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS: number of SSIDs you can
+ *	scan with a single scheduled scan request, a wiphy attribute.
  * @NL80211_ATTR_MAX_SCAN_IE_LEN: maximum length of information elements
  *	that can be added to a scan request
+ * @NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN: maximum length of information
+ *	elements that can be added to a scheduled scan request
  *
  * @NL80211_ATTR_SCAN_FREQUENCIES: nested attribute with frequencies (in MHz)
  * @NL80211_ATTR_SCAN_SSIDS: nested attribute with SSIDs, leave out for passive
@@ -989,8 +993,8 @@ enum nl80211_commands {
  *	driving the peer link management state machine.
  *	@NL80211_MESH_SETUP_USERSPACE_AMPE must be enabled.
  *
- * @NL80211_ATTR_WOWLAN_SUPPORTED: indicates, as part of the wiphy capabilities,
- *	the supported WoWLAN triggers
+ * @NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED: indicates, as part of the wiphy
+ *	capabilities, the supported WoWLAN triggers
  * @NL80211_ATTR_WOWLAN_TRIGGERS: used by %NL80211_CMD_SET_WOWLAN to
  *	indicate which WoW triggers should be enabled. This is also
  *	used by %NL80211_CMD_GET_WOWLAN to get the currently enabled WoWLAN
@@ -1010,6 +1014,11 @@ enum nl80211_commands {
  * @%NL80211_ATTR_REKEY_DATA: nested attribute containing the information
  *	necessary for GTK rekeying in the device, see &enum nl80211_rekey_data.
  *
+ * @NL80211_ATTR_SCAN_SUPP_RATES: rates per to be advertised as supported in scan,
+ *	nested array attribute containing an entry for each band, with the entry
+ *	being a list of supported rates as defined by IEEE 802.11 7.3.2.2 but
+ *	without the length restriction (at most %NL80211_MAX_SUPP_RATES).
+ *
  * @NL80211_ATTR_MAX: highest attribute number currently defined
  * @__NL80211_ATTR_AFTER_LAST: internal use
  */
@@ -1210,6 +1219,11 @@ enum nl80211_attrs {
 
 	NL80211_ATTR_REKEY_DATA,
 
+	NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
+	NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
+
+	NL80211_ATTR_SCAN_SUPP_RATES,
+
 	/* add attributes here, update the policy in nl80211.c */
 
 	__NL80211_ATTR_AFTER_LAST,
@@ -2255,6 +2269,16 @@ struct nl80211_wowlan_pattern_support {
  *
  *	In %NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED, it is a binary attribute
  *	carrying a &struct nl80211_wowlan_pattern_support.
+ * @NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED: Not a real trigger, and cannot be
+ *	used when setting, used only to indicate that GTK rekeying is supported
+ *	by the device (flag)
+ * @NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE: wake up on GTK rekey failure (if
+ *	done by the device) (flag)
+ * @NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST: wake up on EAP Identity Request
+ *	packet (flag)
+ * @NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE: wake up on 4-way handshake (flag)
+ * @NL80211_WOWLAN_TRIG_RFKILL_RELEASE: wake up when rfkill is released
+ *	(on devices that have rfkill in the device) (flag)
  * @NUM_NL80211_WOWLAN_TRIG: number of wake on wireless triggers
  * @MAX_NL80211_WOWLAN_TRIG: highest wowlan trigger attribute number
  */
@@ -2264,6 +2288,11 @@ enum nl80211_wowlan_triggers {
 	NL80211_WOWLAN_TRIG_DISCONNECT,
 	NL80211_WOWLAN_TRIG_MAGIC_PKT,
 	NL80211_WOWLAN_TRIG_PKT_PATTERN,
+	NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED,
+	NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE,
+	NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST,
+	NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE,
+	NL80211_WOWLAN_TRIG_RFKILL_RELEASE,
 
 	/* keep last */
 	NUM_NL80211_WOWLAN_TRIG,
diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h
index b0928c10111b..8623217f84d0 100644
--- a/include/linux/ssb/ssb.h
+++ b/include/linux/ssb/ssb.h
@@ -27,6 +27,8 @@ struct ssb_sprom {
 	u8 et1mdcport;		/* MDIO for enet1 */
 	u8 board_rev;		/* Board revision number from SPROM. */
 	u8 country_code;	/* Country Code */
+	u16 leddc_on_time;	/* LED Powersave Duty Cycle On Count */
+	u16 leddc_off_time;	/* LED Powersave Duty Cycle Off Count */
 	u8 ant_available_a;	/* 2GHz antenna available bits (up to 4) */
 	u8 ant_available_bg;	/* 5GHz antenna available bits (up to 4) */
 	u16 pa0b0;
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 5390e3245a1a..d17f47fc9e31 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -777,6 +777,7 @@ struct cfg80211_ssid {
  * @n_channels: total number of channels to scan
  * @ie: optional information element(s) to add into Probe Request or %NULL
  * @ie_len: length of ie in octets
+ * @rates: bitmap of rates to advertise for each band
  * @wiphy: the wiphy this was for
  * @dev: the interface
  * @aborted: (internal) scan request was notified as aborted
@@ -788,6 +789,8 @@ struct cfg80211_scan_request {
 	const u8 *ie;
 	size_t ie_len;
 
+	u32 rates[IEEE80211_NUM_BANDS];
+
 	/* internal */
 	struct wiphy *wiphy;
 	struct net_device *dev;
@@ -1146,9 +1149,15 @@ struct cfg80211_wowlan_trig_pkt_pattern {
  * @magic_pkt: wake up on receiving magic packet
  * @patterns: wake up on receiving packet matching a pattern
  * @n_patterns: number of patterns
+ * @gtk_rekey_failure: wake up on GTK rekey failure
+ * @eap_identity_req: wake up on EAP identity request packet
+ * @four_way_handshake: wake up on 4-way handshake
+ * @rfkill_release: wake up when rfkill is released
  */
 struct cfg80211_wowlan {
-	bool any, disconnect, magic_pkt;
+	bool any, disconnect, magic_pkt, gtk_rekey_failure,
+	     eap_identity_req, four_way_handshake,
+	     rfkill_release;
 	struct cfg80211_wowlan_trig_pkt_pattern *patterns;
 	int n_patterns;
 };
@@ -1673,11 +1682,21 @@ struct ieee80211_txrx_stypes {
  * @WIPHY_WOWLAN_MAGIC_PKT: supports wakeup on magic packet
  *	(see nl80211.h)
  * @WIPHY_WOWLAN_DISCONNECT: supports wakeup on disconnect
+ * @WIPHY_WOWLAN_SUPPORTS_GTK_REKEY: supports GTK rekeying while asleep
+ * @WIPHY_WOWLAN_GTK_REKEY_FAILURE: supports wakeup on GTK rekey failure
+ * @WIPHY_WOWLAN_EAP_IDENTITY_REQ: supports wakeup on EAP identity request
+ * @WIPHY_WOWLAN_4WAY_HANDSHAKE: supports wakeup on 4-way handshake failure
+ * @WIPHY_WOWLAN_RFKILL_RELEASE: supports wakeup on RF-kill release
  */
 enum wiphy_wowlan_support_flags {
-	WIPHY_WOWLAN_ANY	= BIT(0),
-	WIPHY_WOWLAN_MAGIC_PKT	= BIT(1),
-	WIPHY_WOWLAN_DISCONNECT	= BIT(2),
+	WIPHY_WOWLAN_ANY		= BIT(0),
+	WIPHY_WOWLAN_MAGIC_PKT		= BIT(1),
+	WIPHY_WOWLAN_DISCONNECT		= BIT(2),
+	WIPHY_WOWLAN_SUPPORTS_GTK_REKEY	= BIT(3),
+	WIPHY_WOWLAN_GTK_REKEY_FAILURE	= BIT(4),
+	WIPHY_WOWLAN_EAP_IDENTITY_REQ	= BIT(5),
+	WIPHY_WOWLAN_4WAY_HANDSHAKE	= BIT(6),
+	WIPHY_WOWLAN_RFKILL_RELEASE	= BIT(7),
 };
 
 /**
@@ -1742,9 +1761,13 @@ struct wiphy_wowlan_support {
  *	this variable determines its size
  * @max_scan_ssids: maximum number of SSIDs the device can scan for in
  *	any given scan
+ * @max_sched_scan_ssids: maximum number of SSIDs the device can scan
+ *	for in any given scheduled scan
  * @max_scan_ie_len: maximum length of user-controlled IEs device can
  *	add to probe request frames transmitted during a scan, must not
  *	include fixed IEs like supported rates
+ * @max_sched_scan_ie_len: same as max_scan_ie_len, but for scheduled
+ *	scans
  * @coverage_class: current coverage class
  * @fw_version: firmware version for ethtool reporting
  * @hw_version: hardware version for ethtool reporting
@@ -1796,7 +1819,9 @@ struct wiphy {
 
 	int bss_priv_size;
 	u8 max_scan_ssids;
+	u8 max_sched_scan_ssids;
 	u16 max_scan_ie_len;
+	u16 max_sched_scan_ie_len;
 
 	int n_cipher_suites;
 	const u32 *cipher_suites;
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index ea2c8c36477c..9259e97864d7 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1586,6 +1586,20 @@ enum ieee80211_ampdu_mlme_action {
 };
 
 /**
+ * enum ieee80211_tx_sync_type - TX sync type
+ * @IEEE80211_TX_SYNC_AUTH: sync TX for authentication
+ *	(and possibly also before direct probe)
+ * @IEEE80211_TX_SYNC_ASSOC: sync TX for association
+ * @IEEE80211_TX_SYNC_ACTION: sync TX for action frame
+ *	(not implemented yet)
+ */
+enum ieee80211_tx_sync_type {
+	IEEE80211_TX_SYNC_AUTH,
+	IEEE80211_TX_SYNC_ASSOC,
+	IEEE80211_TX_SYNC_ACTION,
+};
+
+/**
  * struct ieee80211_ops - callbacks from mac80211 to the driver
  *
  * This structure contains various callbacks that the driver may
@@ -1674,6 +1688,26 @@ enum ieee80211_ampdu_mlme_action {
  *	of the bss parameters has changed when a call is made. The callback
  *	can sleep.
  *
+ * @tx_sync: Called before a frame is sent to an AP/GO. In the GO case, the
+ *	driver should sync with the GO's powersaving so the device doesn't
+ *	transmit the frame while the GO is asleep. In the regular AP case
+ *	it may be used by drivers for devices implementing other restrictions
+ *	on talking to APs, e.g. due to regulatory enforcement or just HW
+ *	restrictions.
+ *	This function is called for every authentication, association and
+ *	action frame separately since applications might attempt to auth
+ *	with multiple APs before chosing one to associate to. If it returns
+ *	an error, the corresponding authentication, association or frame
+ *	transmission is aborted and reported as having failed. It is always
+ *	called after tuning to the correct channel.
+ *	The callback might be called multiple times before @finish_tx_sync
+ *	(but @finish_tx_sync will be called once for each) but in practice
+ *	this is unlikely to happen. It can also refuse in that case if the
+ *	driver cannot handle that situation.
+ *	This callback can sleep.
+ * @finish_tx_sync: Called as a counterpart to @tx_sync, unless that returned
+ *	an error. This callback can sleep.
+ *
  * @prepare_multicast: Prepare for multicast filter configuration.
  *	This callback is optional, and its return value is passed
  *	to configure_filter(). This callback must be atomic.
@@ -1901,6 +1935,14 @@ struct ieee80211_ops {
 				 struct ieee80211_vif *vif,
 				 struct ieee80211_bss_conf *info,
 				 u32 changed);
+
+	int (*tx_sync)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		       const u8 *bssid, enum ieee80211_tx_sync_type type);
+	void (*finish_tx_sync)(struct ieee80211_hw *hw,
+			       struct ieee80211_vif *vif,
+			       const u8 *bssid,
+			       enum ieee80211_tx_sync_type type);
+
 	u64 (*prepare_multicast)(struct ieee80211_hw *hw,
 				 struct netdev_hw_addr_list *mc_list);
 	void (*configure_filter)(struct ieee80211_hw *hw,
@@ -2613,6 +2655,20 @@ static inline void ieee80211_get_tkip_p1k(struct ieee80211_key_conf *keyconf,
 }
 
 /**
+ * ieee80211_get_tkip_rx_p1k - get a TKIP phase 1 key for RX
+ *
+ * This function returns the TKIP phase 1 key for the given IV32
+ * and transmitter address.
+ *
+ * @keyconf: the parameter passed with the set key
+ * @ta: TA that will be used with the key
+ * @iv32: IV32 to get the P1K for
+ * @p1k: a buffer to which the key will be written, as 5 u16 values
+ */
+void ieee80211_get_tkip_rx_p1k(struct ieee80211_key_conf *keyconf,
+			       const u8 *ta, u32 iv32, u16 *p1k);
+
+/**
  * ieee80211_get_tkip_p2k - get a TKIP phase 2 key
  *
  * This function computes the TKIP RC4 key for the IV values
@@ -2973,6 +3029,10 @@ void ieee80211_sta_block_awake(struct ieee80211_hw *hw,
  * needs reprogramming of the keys during suspend. Note that due
  * to locking reasons, it is also only safe to call this at few
  * spots since it must hold the RTNL and be able to sleep.
+ *
+ * The order in which the keys are iterated matches the order
+ * in which they were originally installed and handed to the
+ * set_key callback.
  */
 void ieee80211_iter_keys(struct ieee80211_hw *hw,
 			 struct ieee80211_vif *vif,