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

7 files changed, 398 insertions, 2 deletions

diff --git a/include/linux/nfc.h b/include/linux/nfc.h
new file mode 100644
index 000000000000..330a4c5db588
--- /dev/null
+++ b/include/linux/nfc.h
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2011 Instituto Nokia de Tecnologia
+ *
+ * Authors:
+ *    Lauro Ramos Venancio <lauro.venancio@openbossa.org>
+ *    Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __LINUX_NFC_H
+#define __LINUX_NFC_H
+
+#include <linux/types.h>
+#include <linux/socket.h>
+
+#define NFC_GENL_NAME "nfc"
+#define NFC_GENL_VERSION 1
+
+#define NFC_GENL_MCAST_EVENT_NAME "events"
+
+/**
+ * enum nfc_commands - supported nfc commands
+ *
+ * @NFC_CMD_UNSPEC: unspecified command
+ *
+ * @NFC_CMD_GET_DEVICE: request information about a device (requires
+ *	%NFC_ATTR_DEVICE_INDEX) or dump request to get a list of all nfc devices
+ * @NFC_CMD_START_POLL: start polling for targets using the given protocols
+ *	(requires %NFC_ATTR_DEVICE_INDEX and %NFC_ATTR_PROTOCOLS)
+ * @NFC_CMD_STOP_POLL: stop polling for targets (requires
+ *	%NFC_ATTR_DEVICE_INDEX)
+ * @NFC_CMD_GET_TARGET: dump all targets found by the previous poll (requires
+ *	%NFC_ATTR_DEVICE_INDEX)
+ * @NFC_EVENT_TARGETS_FOUND: event emitted when a new target is found
+ *	(it sends %NFC_ATTR_DEVICE_INDEX)
+ * @NFC_EVENT_DEVICE_ADDED: event emitted when a new device is registred
+ *	(it sends %NFC_ATTR_DEVICE_NAME, %NFC_ATTR_DEVICE_INDEX and
+ *	%NFC_ATTR_PROTOCOLS)
+ * @NFC_EVENT_DEVICE_REMOVED: event emitted when a device is removed
+ *	(it sends %NFC_ATTR_DEVICE_INDEX)
+ */
+enum nfc_commands {
+	NFC_CMD_UNSPEC,
+	NFC_CMD_GET_DEVICE,
+	NFC_CMD_START_POLL,
+	NFC_CMD_STOP_POLL,
+	NFC_CMD_GET_TARGET,
+	NFC_EVENT_TARGETS_FOUND,
+	NFC_EVENT_DEVICE_ADDED,
+	NFC_EVENT_DEVICE_REMOVED,
+/* private: internal use only */
+	__NFC_CMD_AFTER_LAST
+};
+#define NFC_CMD_MAX (__NFC_CMD_AFTER_LAST - 1)
+
+/**
+ * enum nfc_attrs - supported nfc attributes
+ *
+ * @NFC_ATTR_UNSPEC: unspecified attribute
+ *
+ * @NFC_ATTR_DEVICE_INDEX: index of nfc device
+ * @NFC_ATTR_DEVICE_NAME: device name, max 8 chars
+ * @NFC_ATTR_PROTOCOLS: nfc protocols - bitwise or-ed combination from
+ *	NFC_PROTO_*_MASK constants
+ * @NFC_ATTR_TARGET_INDEX: index of the nfc target
+ * @NFC_ATTR_TARGET_SENS_RES: NFC-A targets extra information such as NFCID
+ * @NFC_ATTR_TARGET_SEL_RES: NFC-A targets extra information (useful if the
+ *	target is not NFC-Forum compliant)
+ */
+enum nfc_attrs {
+	NFC_ATTR_UNSPEC,
+	NFC_ATTR_DEVICE_INDEX,
+	NFC_ATTR_DEVICE_NAME,
+	NFC_ATTR_PROTOCOLS,
+	NFC_ATTR_TARGET_INDEX,
+	NFC_ATTR_TARGET_SENS_RES,
+	NFC_ATTR_TARGET_SEL_RES,
+/* private: internal use only */
+	__NFC_ATTR_AFTER_LAST
+};
+#define NFC_ATTR_MAX (__NFC_ATTR_AFTER_LAST - 1)
+
+#define NFC_DEVICE_NAME_MAXSIZE 8
+
+/* NFC protocols */
+#define NFC_PROTO_JEWEL		1
+#define NFC_PROTO_MIFARE	2
+#define NFC_PROTO_FELICA	3
+#define NFC_PROTO_ISO14443	4
+#define NFC_PROTO_NFC_DEP	5
+
+#define NFC_PROTO_MAX		6
+
+/* NFC protocols masks used in bitsets */
+#define NFC_PROTO_JEWEL_MASK	(1 << NFC_PROTO_JEWEL)
+#define NFC_PROTO_MIFARE_MASK	(1 << NFC_PROTO_MIFARE)
+#define NFC_PROTO_FELICA_MASK	(1 << NFC_PROTO_FELICA)
+#define NFC_PROTO_ISO14443_MASK	(1 << NFC_PROTO_ISO14443)
+#define NFC_PROTO_NFC_DEP_MASK	(1 << NFC_PROTO_NFC_DEP)
+
+struct sockaddr_nfc {
+	sa_family_t sa_family;
+	__u32 dev_idx;
+	__u32 target_idx;
+	__u32 nfc_protocol;
+};
+
+/* NFC socket protocols */
+#define NFC_SOCKPROTO_RAW	0
+#define NFC_SOCKPROTO_MAX	1
+
+#endif /*__LINUX_NFC_H */
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index c7ccaae15af6..3ec2f949bf7a 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -483,6 +483,14 @@
  *	more background information, see
  *	http://wireless.kernel.org/en/users/Documentation/WoWLAN.
  *
+ * @NL80211_CMD_SET_REKEY_OFFLOAD: This command is used give the driver
+ *	the necessary information for supporting GTK rekey offload. This
+ *	feature is typically used during WoWLAN. The configuration data
+ *	is contained in %NL80211_ATTR_REKEY_DATA (which is nested and
+ *	contains the data in sub-attributes). After rekeying happened,
+ *	this command may also be sent by the driver as an MLME event to
+ *	inform userspace of the new replay counter.
+ *
  * @NL80211_CMD_MAX: highest used command number
  * @__NL80211_CMD_AFTER_LAST: internal use
  */
@@ -605,6 +613,8 @@ enum nl80211_commands {
 	NL80211_CMD_SCHED_SCAN_RESULTS,
 	NL80211_CMD_SCHED_SCAN_STOPPED,
 
+	NL80211_CMD_SET_REKEY_OFFLOAD,
+
 	/* add new commands above here */
 
 	/* used to define NL80211_CMD_MAX below */
@@ -996,6 +1006,9 @@ enum nl80211_commands {
  *	are managed in software: interfaces of these types aren't subject to
  *	any restrictions in their number or combinations.
  *
+ * @%NL80211_ATTR_REKEY_DATA: nested attribute containing the information
+ *	necessary for GTK rekeying in the device, see &enum nl80211_rekey_data.
+ *
  * @NL80211_ATTR_MAX: highest attribute number currently defined
  * @__NL80211_ATTR_AFTER_LAST: internal use
  */
@@ -1194,6 +1207,8 @@ enum nl80211_attrs {
 	NL80211_ATTR_INTERFACE_COMBINATIONS,
 	NL80211_ATTR_SOFTWARE_IFTYPES,
 
+	NL80211_ATTR_REKEY_DATA,
+
 	/* add attributes here, update the policy in nl80211.c */
 
 	__NL80211_ATTR_AFTER_LAST,
@@ -2361,4 +2376,28 @@ enum nl80211_plink_state {
 	MAX_NL80211_PLINK_STATES = NUM_NL80211_PLINK_STATES - 1
 };
 
+#define NL80211_KCK_LEN			16
+#define NL80211_KEK_LEN			16
+#define NL80211_REPLAY_CTR_LEN		8
+
+/**
+ * enum nl80211_rekey_data - attributes for GTK rekey offload
+ * @__NL80211_REKEY_DATA_INVALID: invalid number for nested attributes
+ * @NL80211_REKEY_DATA_KEK: key encryption key (binary)
+ * @NL80211_REKEY_DATA_KCK: key confirmation key (binary)
+ * @NL80211_REKEY_DATA_REPLAY_CTR: replay counter (binary)
+ * @NUM_NL80211_REKEY_DATA: number of rekey attributes (internal)
+ * @MAX_NL80211_REKEY_DATA: highest rekey attribute (internal)
+ */
+enum nl80211_rekey_data {
+	__NL80211_REKEY_DATA_INVALID,
+	NL80211_REKEY_DATA_KEK,
+	NL80211_REKEY_DATA_KCK,
+	NL80211_REKEY_DATA_REPLAY_CTR,
+
+	/* keep last */
+	NUM_NL80211_REKEY_DATA,
+	MAX_NL80211_REKEY_DATA = NUM_NL80211_REKEY_DATA - 1
+};
+
 #endif /* __LINUX_NL80211_H */
diff --git a/include/linux/socket.h b/include/linux/socket.h
index 4ef98e422fde..e17f82266639 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -192,7 +192,8 @@ struct ucred {
 #define AF_IEEE802154	36	/* IEEE802154 sockets		*/
 #define AF_CAIF		37	/* CAIF sockets			*/
 #define AF_ALG		38	/* Algorithm sockets		*/
-#define AF_MAX		39	/* For now.. */
+#define AF_NFC		39	/* NFC sockets			*/
+#define AF_MAX		40	/* For now.. */
 
 /* Protocol families, same as address families. */
 #define PF_UNSPEC	AF_UNSPEC
@@ -234,6 +235,7 @@ struct ucred {
 #define PF_IEEE802154	AF_IEEE802154
 #define PF_CAIF		AF_CAIF
 #define PF_ALG		AF_ALG
+#define PF_NFC		AF_NFC
 #define PF_MAX		AF_MAX
 
 /* Maximum queue length specifiable by listen.  */
diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h
index 252e44821787..b0928c10111b 100644
--- a/include/linux/ssb/ssb.h
+++ b/include/linux/ssb/ssb.h
@@ -99,7 +99,7 @@ struct ssb_sprom {
 struct ssb_boardinfo {
 	u16 vendor;
 	u16 type;
-	u16 rev;
+	u8  rev;
 };
 
 
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 7202bce7bfeb..4bf101bada4e 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1154,6 +1154,18 @@ struct cfg80211_wowlan {
 };
 
 /**
+ * struct cfg80211_gtk_rekey_data - rekey data
+ * @kek: key encryption key
+ * @kck: key confirmation key
+ * @replay_ctr: replay counter
+ */
+struct cfg80211_gtk_rekey_data {
+	u8 kek[NL80211_KEK_LEN];
+	u8 kck[NL80211_KCK_LEN];
+	u8 replay_ctr[NL80211_REPLAY_CTR_LEN];
+};
+
+/**
  * struct cfg80211_ops - backend description for wireless configuration
  *
  * This struct is registered by fullmac card drivers and/or wireless stacks
@@ -1197,6 +1209,8 @@ struct cfg80211_wowlan {
  *
  * @set_default_mgmt_key: set the default management frame key on an interface
  *
+ * @set_rekey_data: give the data necessary for GTK rekeying to the driver
+ *
  * @add_beacon: Add a beacon with given parameters, @head, @interval
  *	and @dtim_period will be valid, @tail is optional.
  * @set_beacon: Change the beacon parameters for an access point mode
@@ -1499,6 +1513,9 @@ struct cfg80211_ops {
 				struct net_device *dev,
 				struct cfg80211_sched_scan_request *request);
 	int	(*sched_scan_stop)(struct wiphy *wiphy, struct net_device *dev);
+
+	int	(*set_rekey_data)(struct wiphy *wiphy, struct net_device *dev,
+				  struct cfg80211_gtk_rekey_data *data);
 };
 
 /*
@@ -3033,6 +3050,15 @@ void cfg80211_cqm_rssi_notify(struct net_device *dev,
 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
 				 const u8 *peer, u32 num_packets, gfp_t gfp);
 
+/**
+ * cfg80211_gtk_rekey_notify - notify userspace about driver rekeying
+ * @dev: network device
+ * @bssid: BSSID of AP (to avoid races)
+ * @replay_ctr: new replay counter
+ */
+void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
+			       const u8 *replay_ctr, gfp_t gfp);
+
 /* Logging, debugging and troubleshooting/diagnostic helpers. */
 
 /* wiphy_printk helpers, similar to dev_printk */
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index c9def42c1286..2474019f47d3 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1628,6 +1628,10 @@ enum ieee80211_ampdu_mlme_action {
  *	ask the device to suspend. This is only invoked when WoWLAN is
  *	configured, otherwise the device is deconfigured completely and
  *	reconfigured at resume time.
+ *	The driver may also impose special conditions under which it
+ *	wants to use the "normal" suspend (deconfigure), say if it only
+ *	supports WoWLAN when the device is associated. In this case, it
+ *	must return 1 from this function.
  *
  * @resume: If WoWLAN was configured, this indicates that mac80211 is
  *	now resuming its operation, after this the device must be fully
@@ -1696,6 +1700,12 @@ enum ieee80211_ampdu_mlme_action {
  * 	which set IEEE80211_KEY_FLAG_TKIP_REQ_RX_P1_KEY.
  *	The callback must be atomic.
  *
+ * @set_rekey_data: If the device supports GTK rekeying, for example while the
+ *	host is suspended, it can assign this callback to retrieve the data
+ *	necessary to do GTK rekeying, this is the KEK, KCK and replay counter.
+ *	After rekeying was done it should (for example during resume) notify
+ *	userspace of the new replay counter using ieee80211_gtk_rekey_notify().
+ *
  * @hw_scan: Ask the hardware to service the scan request, no need to start
  *	the scan state machine in stack. The scan must honour the channel
  *	configuration done by the regulatory agent in the wiphy's
@@ -1908,6 +1918,9 @@ struct ieee80211_ops {
 				struct ieee80211_key_conf *conf,
 				struct ieee80211_sta *sta,
 				u32 iv32, u16 *phase1key);
+	void (*set_rekey_data)(struct ieee80211_hw *hw,
+			       struct ieee80211_vif *vif,
+			       struct cfg80211_gtk_rekey_data *data);
 	int (*hw_scan)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 		       struct cfg80211_scan_request *req);
 	void (*cancel_hw_scan)(struct ieee80211_hw *hw,
@@ -2581,6 +2594,17 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
 void ieee80211_get_tkip_key(struct ieee80211_key_conf *keyconf,
 				struct sk_buff *skb,
 				enum ieee80211_tkip_key_type type, u8 *key);
+
+/**
+ * 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
+ * @replay_ctr: the new replay counter after GTK rekeying
+ * @gfp: allocation flags
+ */
+void ieee80211_gtk_rekey_notify(struct ieee80211_vif *vif, const u8 *bssid,
+				const u8 *replay_ctr, gfp_t gfp);
+
 /**
  * ieee80211_wake_queue - wake specific queue
  * @hw: pointer as obtained from ieee80211_alloc_hw().
@@ -2846,6 +2870,29 @@ void ieee80211_sta_block_awake(struct ieee80211_hw *hw,
 			       struct ieee80211_sta *pubsta, bool block);
 
 /**
+ * ieee80211_iter_keys - iterate keys programmed into the device
+ * @hw: pointer obtained from ieee80211_alloc_hw()
+ * @vif: virtual interface to iterate, may be %NULL for all
+ * @iter: iterator function that will be called for each key
+ * @iter_data: custom data to pass to the iterator function
+ *
+ * This function can be used to iterate all the keys known to
+ * mac80211, even those that weren't previously programmed into
+ * the device. This is intended for use in WoWLAN if the device
+ * 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.
+ */
+void ieee80211_iter_keys(struct ieee80211_hw *hw,
+			 struct ieee80211_vif *vif,
+			 void (*iter)(struct ieee80211_hw *hw,
+				      struct ieee80211_vif *vif,
+				      struct ieee80211_sta *sta,
+				      struct ieee80211_key_conf *key,
+				      void *data),
+			 void *iter_data);
+
+/**
  * ieee80211_ap_probereq_get - retrieve a Probe Request template
  * @hw: pointer obtained from ieee80211_alloc_hw().
  * @vif: &struct ieee80211_vif pointer from the add_interface callback.
diff --git a/include/net/nfc.h b/include/net/nfc.h
new file mode 100644
index 000000000000..cc0130312f70
--- /dev/null
+++ b/include/net/nfc.h
@@ -0,0 +1,156 @@
+/*
+ * Copyright (C) 2011 Instituto Nokia de Tecnologia
+ *
+ * Authors:
+ *    Lauro Ramos Venancio <lauro.venancio@openbossa.org>
+ *    Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __NET_NFC_H
+#define __NET_NFC_H
+
+#include <linux/device.h>
+#include <linux/skbuff.h>
+
+#define nfc_dev_info(dev, fmt, arg...) dev_info((dev), "NFC: " fmt "\n", ## arg)
+#define nfc_dev_err(dev, fmt, arg...) dev_err((dev), "NFC: " fmt "\n", ## arg)
+#define nfc_dev_dbg(dev, fmt, arg...) dev_dbg((dev), fmt "\n", ## arg)
+
+struct nfc_dev;
+
+/**
+ * data_exchange_cb_t - Definition of nfc_data_exchange callback
+ *
+ * @context: nfc_data_exchange cb_context parameter
+ * @skb: response data
+ * @err: If an error has occurred during data exchange, it is the
+ *	error number. Zero means no error.
+ *
+ * When a rx or tx package is lost or corrupted or the target gets out
+ * of the operating field, err is -EIO.
+ */
+typedef void (*data_exchange_cb_t)(void *context, struct sk_buff *skb,
+								int err);
+
+struct nfc_ops {
+	int (*start_poll)(struct nfc_dev *dev, u32 protocols);
+	void (*stop_poll)(struct nfc_dev *dev);
+	int (*activate_target)(struct nfc_dev *dev, u32 target_idx,
+							u32 protocol);
+	void (*deactivate_target)(struct nfc_dev *dev, u32 target_idx);
+	int (*data_exchange)(struct nfc_dev *dev, u32 target_idx,
+				struct sk_buff *skb, data_exchange_cb_t cb,
+							void *cb_context);
+};
+
+struct nfc_target {
+	u32 idx;
+	u32 supported_protocols;
+	u16 sens_res;
+	u8 sel_res;
+};
+
+struct nfc_genl_data {
+	u32 poll_req_pid;
+	struct mutex genl_data_mutex;
+};
+
+struct nfc_dev {
+	unsigned idx;
+	unsigned target_idx;
+	struct nfc_target *targets;
+	int n_targets;
+	int targets_generation;
+	spinlock_t targets_lock;
+	struct device dev;
+	bool polling;
+	struct nfc_genl_data genl_data;
+	u32 supported_protocols;
+
+	struct nfc_ops *ops;
+};
+#define to_nfc_dev(_dev) container_of(_dev, struct nfc_dev, dev)
+
+extern struct class nfc_class;
+
+struct nfc_dev *nfc_allocate_device(struct nfc_ops *ops,
+					u32 supported_protocols);
+
+/**
+ * nfc_free_device - free nfc device
+ *
+ * @dev: The nfc device to free
+ */
+static inline void nfc_free_device(struct nfc_dev *dev)
+{
+	put_device(&dev->dev);
+}
+
+int nfc_register_device(struct nfc_dev *dev);
+
+void nfc_unregister_device(struct nfc_dev *dev);
+
+/**
+ * nfc_set_parent_dev - set the parent device
+ *
+ * @nfc_dev: The nfc device whose parent is being set
+ * @dev: The parent device
+ */
+static inline void nfc_set_parent_dev(struct nfc_dev *nfc_dev,
+					struct device *dev)
+{
+	nfc_dev->dev.parent = dev;
+}
+
+/**
+ * nfc_set_drvdata - set driver specifc data
+ *
+ * @dev: The nfc device
+ * @data: Pointer to driver specifc data
+ */
+static inline void nfc_set_drvdata(struct nfc_dev *dev, void *data)
+{
+	dev_set_drvdata(&dev->dev, data);
+}
+
+/**
+ * nfc_get_drvdata - get driver specifc data
+ *
+ * @dev: The nfc device
+ */
+static inline void *nfc_get_drvdata(struct nfc_dev *dev)
+{
+	return dev_get_drvdata(&dev->dev);
+}
+
+/**
+ * nfc_device_name - get the nfc device name
+ *
+ * @dev: The nfc device whose name to return
+ */
+static inline const char *nfc_device_name(struct nfc_dev *dev)
+{
+	return dev_name(&dev->dev);
+}
+
+struct sk_buff *nfc_alloc_skb(unsigned int size, gfp_t gfp);
+
+int nfc_targets_found(struct nfc_dev *dev, struct nfc_target *targets,
+							int ntargets);
+
+#endif /* __NET_NFC_H */