Merge branch 'upstream' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6

3 files changed, 136 insertions, 26 deletions

diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 95c941f8c747..ee0ab7a5f91b 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1612,6 +1612,7 @@
 #define PCI_DEVICE_ID_TOSHIBA_TC35815CF	0x0030
 #define PCI_DEVICE_ID_TOSHIBA_TX4927	0x0180
 #define PCI_DEVICE_ID_TOSHIBA_TC86C001_MISC	0x0108
+#define PCI_DEVICE_ID_TOSHIBA_SPIDER_NET 0x01b3
 
 #define PCI_VENDOR_ID_RICOH		0x1180
 #define PCI_DEVICE_ID_RICOH_RL5C465	0x0465
diff --git a/include/linux/wireless.h b/include/linux/wireless.h
index ae485f9c916e..a555a0f7a7b4 100644
--- a/include/linux/wireless.h
+++ b/include/linux/wireless.h
@@ -1,7 +1,7 @@
 /*
  * This file define a set of standard wireless extensions
  *
- * Version :	18	12.3.05
+ * Version :	19	18.3.05
  *
  * Authors :	Jean Tourrilhes - HPL - <jt@hpl.hp.com>
  * Copyright (c) 1997-2005 Jean Tourrilhes, All Rights Reserved.
@@ -69,8 +69,6 @@
 
 /***************************** INCLUDES *****************************/
 
-/* To minimise problems in user space, I might remove those headers
- * at some point. Jean II */
 #include <linux/types.h>		/* for "caddr_t" et al		*/
 #include <linux/socket.h>		/* for "struct sockaddr" et al	*/
 #include <linux/if.h>			/* for IFNAMSIZ and co... */
@@ -82,7 +80,7 @@
  * (there is some stuff that will be added in the future...)
  * I just plan to increment with each new version.
  */
-#define WIRELESS_EXT	18
+#define WIRELESS_EXT	19
 
 /*
  * Changes :
@@ -197,6 +195,15 @@
  *	  related parameters (extensible up to 4096 parameter values)
  *	- Add wireless events: IWEVGENIE, IWEVMICHAELMICFAILURE,
  *	  IWEVASSOCREQIE, IWEVASSOCRESPIE, IWEVPMKIDCAND
+ *
+ * V18 to V19
+ * ----------
+ *	- Remove (struct iw_point *)->pointer from events and streams
+ *	- Remove header includes to help user space
+ *	- Increase IW_ENCODING_TOKEN_MAX from 32 to 64
+ *	- Add IW_QUAL_ALL_UPDATED and IW_QUAL_ALL_INVALID macros
+ *	- Add explicit flag to tell stats are in dBm : IW_QUAL_DBM
+ *	- Add IW_IOCTL_IDX() and IW_EVENT_IDX() macros
  */
 
 /**************************** CONSTANTS ****************************/
@@ -322,6 +329,7 @@
 /* The first and the last (range) */
 #define SIOCIWFIRST	0x8B00
 #define SIOCIWLAST	SIOCIWLASTPRIV		/* 0x8BFF */
+#define IW_IOCTL_IDX(cmd)	((cmd) - SIOCIWFIRST)
 
 /* Even : get (world access), odd : set (root access) */
 #define IW_IS_SET(cmd)	(!((cmd) & 0x1))
@@ -366,6 +374,7 @@
 					 * (struct iw_pmkid_cand) */
 
 #define IWEVFIRST	0x8C00
+#define IW_EVENT_IDX(cmd)	((cmd) - IWEVFIRST)
 
 /* ------------------------- PRIVATE INFO ------------------------- */
 /*
@@ -427,12 +436,15 @@
 #define IW_MODE_MONITOR	6	/* Passive monitor (listen only) */
 
 /* Statistics flags (bitmask in updated) */
-#define IW_QUAL_QUAL_UPDATED	0x1	/* Value was updated since last read */
-#define IW_QUAL_LEVEL_UPDATED	0x2
-#define IW_QUAL_NOISE_UPDATED	0x4
+#define IW_QUAL_QUAL_UPDATED	0x01	/* Value was updated since last read */
+#define IW_QUAL_LEVEL_UPDATED	0x02
+#define IW_QUAL_NOISE_UPDATED	0x04
+#define IW_QUAL_ALL_UPDATED	0x07
+#define IW_QUAL_DBM		0x08	/* Level + Noise are dBm */
 #define IW_QUAL_QUAL_INVALID	0x10	/* Driver doesn't provide value */
 #define IW_QUAL_LEVEL_INVALID	0x20
 #define IW_QUAL_NOISE_INVALID	0x40
+#define IW_QUAL_ALL_INVALID	0x70
 
 /* Frequency flags */
 #define IW_FREQ_AUTO		0x00	/* Let the driver decides */
@@ -443,7 +455,7 @@
 #define IW_MAX_ENCODING_SIZES	8
 
 /* Maximum size of the encoding token in bytes */
-#define IW_ENCODING_TOKEN_MAX	32	/* 256 bits (for now) */
+#define IW_ENCODING_TOKEN_MAX	64	/* 512 bits (for now) */
 
 /* Flags for encoding (along with the token) */
 #define IW_ENCODE_INDEX		0x00FF	/* Token index (if needed) */
@@ -1039,12 +1051,16 @@ struct iw_event
 #define IW_EV_CHAR_LEN	(IW_EV_LCP_LEN + IFNAMSIZ)
 #define IW_EV_UINT_LEN	(IW_EV_LCP_LEN + sizeof(__u32))
 #define IW_EV_FREQ_LEN	(IW_EV_LCP_LEN + sizeof(struct iw_freq))
-#define IW_EV_POINT_LEN	(IW_EV_LCP_LEN + sizeof(struct iw_point))
 #define IW_EV_PARAM_LEN	(IW_EV_LCP_LEN + sizeof(struct iw_param))
 #define IW_EV_ADDR_LEN	(IW_EV_LCP_LEN + sizeof(struct sockaddr))
 #define IW_EV_QUAL_LEN	(IW_EV_LCP_LEN + sizeof(struct iw_quality))
 
-/* Note : in the case of iw_point, the extra data will come at the
- * end of the event */
+/* iw_point events are special. First, the payload (extra data) come at
+ * the end of the event, so they are bigger than IW_EV_POINT_LEN. Second,
+ * we omit the pointer, so start at an offset. */
+#define IW_EV_POINT_OFF (((char *) &(((struct iw_point *) NULL)->length)) - \
+			  (char *) NULL)
+#define IW_EV_POINT_LEN	(IW_EV_LCP_LEN + sizeof(struct iw_point) - \
+			 IW_EV_POINT_OFF)
 
 #endif	/* _LINUX_WIRELESS_H */
diff --git a/include/net/iw_handler.h b/include/net/iw_handler.h
index 44edd48f1234..d67c8393a343 100644
--- a/include/net/iw_handler.h
+++ b/include/net/iw_handler.h
@@ -1,10 +1,10 @@
 /*
  * This file define the new driver API for Wireless Extensions
  *
- * Version :	6	21.6.04
+ * Version :	7	18.3.05
  *
  * Authors :	Jean Tourrilhes - HPL - <jt@hpl.hp.com>
- * Copyright (c) 2001-2004 Jean Tourrilhes, All Rights Reserved.
+ * Copyright (c) 2001-2005 Jean Tourrilhes, All Rights Reserved.
  */
 
 #ifndef _IW_HANDLER_H
@@ -207,7 +207,7 @@
  * will be needed...
  * I just plan to increment with each new version.
  */
-#define IW_HANDLER_VERSION	6
+#define IW_HANDLER_VERSION	7
 
 /*
  * Changes :
@@ -232,6 +232,13 @@
  *	- Remove spy #ifdef, they are always on -> cleaner code
  *	- Add IW_DESCR_FLAG_NOMAX flag for very large requests
  *	- Start migrating get_wireless_stats to struct iw_handler_def
+ *
+ * V6 to V7
+ * --------
+ *	- Add struct ieee80211_device pointer in struct iw_public_data
+ *	- Remove (struct iw_point *)->pointer from events and streams
+ *	- Remove spy_offset from struct iw_handler_def
+ *	- Add "check" version of event macros for ieee802.11 stack
  */
 
 /**************************** CONSTANTS ****************************/
@@ -334,9 +341,6 @@ struct iw_handler_def
 	 * We will automatically export that to user space... */
 	const struct iw_priv_args *	private_args;
 
-	/* This field will be *removed* in the next version of WE */
-	long			spy_offset;	/* DO NOT USE */
-
 	/* New location of get_wireless_stats, to de-bloat struct net_device.
 	 * The old pointer in struct net_device will be gradually phased
 	 * out, and drivers are encouraged to use this one... */
@@ -400,16 +404,21 @@ struct iw_spy_data
 /* --------------------- DEVICE WIRELESS DATA --------------------- */
 /*
  * This is all the wireless data specific to a device instance that
- * is managed by the core of Wireless Extensions.
+ * is managed by the core of Wireless Extensions or the 802.11 layer.
  * We only keep pointer to those structures, so that a driver is free
  * to share them between instances.
  * This structure should be initialised before registering the device.
  * Access to this data follow the same rules as any other struct net_device
  * data (i.e. valid as long as struct net_device exist, same locking rules).
  */
+/* Forward declaration */
+struct ieee80211_device;
+/* The struct */
 struct iw_public_data {
 	/* Driver enhanced spy support */
-	struct iw_spy_data *	spy_data;
+	struct iw_spy_data *		spy_data;
+	/* Structure managed by the in-kernel IEEE 802.11 layer */
+	struct ieee80211_device *	ieee80211;
 };
 
 /**************************** PROTOTYPES ****************************/
@@ -424,7 +433,7 @@ struct iw_public_data {
 extern int dev_get_wireless_info(char * buffer, char **start, off_t offset,
 				 int length);
 
-/* Handle IOCTLs, called in net/code/dev.c */
+/* Handle IOCTLs, called in net/core/dev.c */
 extern int wireless_process_ioctl(struct ifreq *ifr, unsigned int cmd);
 
 /* Second : functions that may be called by driver modules */
@@ -479,7 +488,7 @@ iwe_stream_add_event(char *	stream,		/* Stream of events */
 		     int	event_len)	/* Real size of payload */
 {
 	/* Check if it's possible */
-	if((stream + event_len) < ends) {
+	if(likely((stream + event_len) < ends)) {
 		iwe->len = event_len;
 		memcpy(stream, (char *) iwe, event_len);
 		stream += event_len;
@@ -495,14 +504,17 @@ iwe_stream_add_event(char *	stream,		/* Stream of events */
 static inline char *
 iwe_stream_add_point(char *	stream,		/* Stream of events */
 		     char *	ends,		/* End of stream */
-		     struct iw_event *iwe,	/* Payload */
-		     char *	extra)
+		     struct iw_event *iwe,	/* Payload length + flags */
+		     char *	extra)		/* More payload */
 {
 	int	event_len = IW_EV_POINT_LEN + iwe->u.data.length;
 	/* Check if it's possible */
-	if((stream + event_len) < ends) {
+	if(likely((stream + event_len) < ends)) {
 		iwe->len = event_len;
-		memcpy(stream, (char *) iwe, IW_EV_POINT_LEN);
+		memcpy(stream, (char *) iwe, IW_EV_LCP_LEN);
+		memcpy(stream + IW_EV_LCP_LEN,
+		       ((char *) iwe) + IW_EV_LCP_LEN + IW_EV_POINT_OFF,
+		       IW_EV_POINT_LEN - IW_EV_LCP_LEN);
 		memcpy(stream + IW_EV_POINT_LEN, extra, iwe->u.data.length);
 		stream += event_len;
 	}
@@ -526,7 +538,7 @@ iwe_stream_add_value(char *	event,		/* Event in the stream */
 	event_len -= IW_EV_LCP_LEN;
 
 	/* Check if it's possible */
-	if((value + event_len) < ends) {
+	if(likely((value + event_len) < ends)) {
 		/* Add new value */
 		memcpy(value, (char *) iwe + IW_EV_LCP_LEN, event_len);
 		value += event_len;
@@ -537,4 +549,85 @@ iwe_stream_add_value(char *	event,		/* Event in the stream */
 	return value;
 }
 
+/*------------------------------------------------------------------*/
+/*
+ * Wrapper to add an Wireless Event to a stream of events.
+ * Same as above, with explicit error check...
+ */
+static inline char *
+iwe_stream_check_add_event(char *	stream,		/* Stream of events */
+			   char *	ends,		/* End of stream */
+			   struct iw_event *iwe,	/* Payload */
+			   int		event_len,	/* Size of payload */
+			   int *	perr)		/* Error report */
+{
+	/* Check if it's possible, set error if not */
+	if(likely((stream + event_len) < ends)) {
+		iwe->len = event_len;
+		memcpy(stream, (char *) iwe, event_len);
+		stream += event_len;
+	} else
+		*perr = -E2BIG;
+	return stream;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wrapper to add an short Wireless Event containing a pointer to a
+ * stream of events.
+ * Same as above, with explicit error check...
+ */
+static inline char *
+iwe_stream_check_add_point(char *	stream,		/* Stream of events */
+			   char *	ends,		/* End of stream */
+			   struct iw_event *iwe,	/* Payload length + flags */
+			   char *	extra,		/* More payload */
+			   int *	perr)		/* Error report */
+{
+	int	event_len = IW_EV_POINT_LEN + iwe->u.data.length;
+	/* Check if it's possible */
+	if(likely((stream + event_len) < ends)) {
+		iwe->len = event_len;
+		memcpy(stream, (char *) iwe, IW_EV_LCP_LEN);
+		memcpy(stream + IW_EV_LCP_LEN,
+		       ((char *) iwe) + IW_EV_LCP_LEN + IW_EV_POINT_OFF,
+		       IW_EV_POINT_LEN - IW_EV_LCP_LEN);
+		memcpy(stream + IW_EV_POINT_LEN, extra, iwe->u.data.length);
+		stream += event_len;
+	} else
+		*perr = -E2BIG;
+	return stream;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wrapper to add a value to a Wireless Event in a stream of events.
+ * Be careful, this one is tricky to use properly :
+ * At the first run, you need to have (value = event + IW_EV_LCP_LEN).
+ * Same as above, with explicit error check...
+ */
+static inline char *
+iwe_stream_check_add_value(char *	event,		/* Event in the stream */
+			   char *	value,		/* Value in event */
+			   char *	ends,		/* End of stream */
+			   struct iw_event *iwe,	/* Payload */
+			   int		event_len,	/* Size of payload */
+			   int *	perr)		/* Error report */
+{
+	/* Don't duplicate LCP */
+	event_len -= IW_EV_LCP_LEN;
+
+	/* Check if it's possible */
+	if(likely((value + event_len) < ends)) {
+		/* Add new value */
+		memcpy(value, (char *) iwe + IW_EV_LCP_LEN, event_len);
+		value += event_len;
+		/* Patch LCP */
+		iwe->len = value - event;
+		memcpy(event, (char *) iwe, IW_EV_LCP_LEN);
+	} else
+		*perr = -E2BIG;
+	return value;
+}
+
 #endif	/* _IW_HANDLER_H */