26 files changed, 133 insertions, 85 deletions

diff --git a/include/asm-arm/arch-ep93xx/ep93xx-regs.h b/include/asm-arm/arch-ep93xx/ep93xx-regs.h
index 8c322975f96e..593f562f85c3 100644
--- a/include/asm-arm/arch-ep93xx/ep93xx-regs.h
+++ b/include/asm-arm/arch-ep93xx/ep93xx-regs.h
@@ -27,6 +27,7 @@
 #define EP93XX_DMA_BASE                 (EP93XX_AHB_VIRT_BASE + 0x00000000)
 
 #define EP93XX_ETHERNET_BASE            (EP93XX_AHB_VIRT_BASE + 0x00010000)
+#define EP93XX_ETHERNET_PHYS_BASE       (EP93XX_AHB_PHYS_BASE + 0x00010000)
 
 #define EP93XX_USB_BASE                 (EP93XX_AHB_VIRT_BASE + 0x00020000)
 #define EP93XX_USB_PHYS_BASE            (EP93XX_AHB_PHYS_BASE + 0x00020000)
diff --git a/include/asm-arm/arch-ep93xx/platform.h b/include/asm-arm/arch-ep93xx/platform.h
index d7a34ce20293..b4a8deb8bdef 100644
--- a/include/asm-arm/arch-ep93xx/platform.h
+++ b/include/asm-arm/arch-ep93xx/platform.h
@@ -11,5 +11,11 @@ void ep93xx_init_devices(void);
 void ep93xx_clock_init(void);
 extern struct sys_timer ep93xx_timer;
 
+struct ep93xx_eth_data
+{
+        unsigned char   dev_addr[6];
+        unsigned char   phy_id;
+};
+
 
 #endif
diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index 7d076d97b2f7..67383605f2e5 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -12,7 +12,6 @@ header-y += netfilter_bridge/
 header-y += netfilter_ipv4/
 header-y += netfilter_ipv6/
 
-header-y += affs_fs.h
 header-y += affs_hardblocks.h
 header-y += aio_abi.h
 header-y += a.out.h
@@ -67,7 +66,6 @@ header-y += genetlink.h
 header-y += gen_stats.h
 header-y += gigaset_dev.h
 header-y += hdsmart.h
-header-y += hpfs_fs.h
 header-y += hysdn_if.h
 header-y += i2c-dev.h
 header-y += i8k.h
@@ -103,6 +101,7 @@ header-y += ixjuser.h
 header-y += jffs2.h
 header-y += keyctl.h
 header-y += limits.h
+header-y += magic.h
 header-y += major.h
 header-y += matroxfb.h
 header-y += meye.h
@@ -116,7 +115,6 @@ header-y += netrom.h
 header-y += nfs2.h
 header-y += nfs4_mount.h
 header-y += nfs_mount.h
-header-y += openprom_fs.h
 header-y += param.h
 header-y += pci_ids.h
 header-y += pci_regs.h
diff --git a/include/linux/adfs_fs.h b/include/linux/adfs_fs.h
index 4a5d50c2bdbf..ef788c2085a1 100644
--- a/include/linux/adfs_fs.h
+++ b/include/linux/adfs_fs.h
@@ -2,6 +2,7 @@
 #define _ADFS_FS_H
 
 #include <linux/types.h>
+#include <linux/magic.h>
 
 /*
  * Disc Record at disc address 0xc00
@@ -38,7 +39,6 @@ struct adfs_discrecord {
 #define ADFS_DR_OFFSET          (0x1c0)
 #define ADFS_DR_SIZE             60
 #define ADFS_DR_SIZE_BITS       (ADFS_DR_SIZE << 3)
-#define ADFS_SUPER_MAGIC         0xadf5
 
 #ifdef __KERNEL__
 #include <linux/adfs_fs_i.h>
diff --git a/include/linux/affs_fs.h b/include/linux/affs_fs.h
deleted file mode 100644
index c57b5ee87d55..000000000000
--- a/include/linux/affs_fs.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifndef _AFFS_FS_H
-#define _AFFS_FS_H
-/*
- * The affs filesystem constants/structures
- */
-#define AFFS_SUPER_MAGIC 0xadff
-#endif
diff --git a/include/linux/coda_psdev.h b/include/linux/coda_psdev.h
index 98f6c52c152b..b541bb3d1f4b 100644
--- a/include/linux/coda_psdev.h
+++ b/include/linux/coda_psdev.h
@@ -1,11 +1,11 @@
 #ifndef __CODA_PSDEV_H
 #define __CODA_PSDEV_H
 
+#include <linux/magic.h>
+
 #define CODA_PSDEV_MAJOR 67
 #define MAX_CODADEVS  5    /* how many do we allow */
 
-#define CODA_SUPER_MAGIC        0x73757245
-
 struct kstatfs;
 
 struct coda_sb_info
diff --git a/include/linux/efs_fs_sb.h b/include/linux/efs_fs_sb.h
index c76088baef28..ff1945e37790 100644
--- a/include/linux/efs_fs_sb.h
+++ b/include/linux/efs_fs_sb.h
@@ -9,8 +9,7 @@
 #ifndef __EFS_FS_SB_H__
 #define __EFS_FS_SB_H__
 
-/* statfs() magic number for EFS */
-#define EFS_SUPER_MAGIC 0x414A53
+#include <linux/magic.h>
 
 /* EFS superblock magic numbers */
 #define EFS_MAGIC       0x072959
diff --git a/include/linux/ext2_fs.h b/include/linux/ext2_fs.h
index facf34e98954..33a1aa107329 100644
--- a/include/linux/ext2_fs.h
+++ b/include/linux/ext2_fs.h
@@ -17,6 +17,7 @@
 #define _LINUX_EXT2_FS_H
 
 #include <linux/types.h>
+#include <linux/magic.h>
 
 /*
  * The second extended filesystem constants/structures
@@ -63,11 +64,6 @@
 /* First non-reserved inode for old ext2 filesystems */
 #define EXT2_GOOD_OLD_FIRST_INO 11
 
-/*
- * The second extended file system magic number
- */
-#define EXT2_SUPER_MAGIC        0xEF53
-
 #ifdef __KERNEL__
 #include <linux/ext2_fs_sb.h>
 static inline struct ext2_sb_info *EXT2_SB(struct super_block *sb)
diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h
index 9f9cce7bd86d..0eed918b3816 100644
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -17,6 +17,7 @@
 #define _LINUX_EXT3_FS_H
 
 #include <linux/types.h>
+#include <linux/magic.h>
 
 /*
  * The second extended filesystem constants/structures
@@ -67,11 +68,6 @@
 #define EXT3_GOOD_OLD_FIRST_INO 11
 
 /*
- * The second extended file system magic number
- */
-#define EXT3_SUPER_MAGIC        0xEF53
-
-/*
  * Maximal count of links to a file
  */
 #define EXT3_LINK_MAX           32000
diff --git a/include/linux/hpfs_fs.h b/include/linux/hpfs_fs.h
deleted file mode 100644
index a5028dd94d31..000000000000
--- a/include/linux/hpfs_fs.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef _LINUX_HPFS_FS_H
-#define _LINUX_HPFS_FS_H
-
-/* HPFS magic number (word 0 of block 16) */
-
-#define HPFS_SUPER_MAGIC 0xf995e849
-
-#endif
diff --git a/include/linux/iso_fs.h b/include/linux/iso_fs.h
index 47967878bfef..4688ac4284e2 100644
--- a/include/linux/iso_fs.h
+++ b/include/linux/iso_fs.h
@@ -2,6 +2,8 @@
 #define _ISOFS_FS_H
 
 #include <linux/types.h>
+#include <linux/magic.h>
+
 /*
  * The isofs filesystem constants/structures
  */
@@ -160,6 +162,4 @@ struct iso_directory_record {
 #define ISOFS_BUFFER_SIZE(INODE) ((INODE)->i_sb->s_blocksize)
 #define ISOFS_BUFFER_BITS(INODE) ((INODE)->i_sb->s_blocksize_bits)
 
-#define ISOFS_SUPER_MAGIC 0x9660
-
-#endif
+#endif /* _ISOFS_FS_H */
diff --git a/include/linux/jffs2.h b/include/linux/jffs2.h
index c9c760700bc3..840631fa5ff1 100644
--- a/include/linux/jffs2.h
+++ b/include/linux/jffs2.h
@@ -15,12 +15,12 @@
 #ifndef __LINUX_JFFS2_H__
 #define __LINUX_JFFS2_H__
 
+#include <linux/magic.h>
+
 /* You must include something which defines the C99 uintXX_t types. 
    We don't do it from here because this file is used in too many
    different environments. */
 
-#define JFFS2_SUPER_MAGIC 0x72b6
-
 /* Values we may expect to find in the 'magic' field */
 #define JFFS2_OLD_MAGIC_BITMASK 0x1984
 #define JFFS2_MAGIC_BITMASK 0x1985
diff --git a/include/linux/magic.h b/include/linux/magic.h
new file mode 100644
index 000000000000..22036dd2ba36
--- /dev/null
+++ b/include/linux/magic.h
@@ -0,0 +1,37 @@
+#ifndef __LINUX_MAGIC_H__
+#define __LINUX_MAGIC_H__
+
+#define ADFS_SUPER_MAGIC        0xadf5
+#define AFFS_SUPER_MAGIC        0xadff
+#define AUTOFS_SUPER_MAGIC      0x0187
+#define CODA_SUPER_MAGIC        0x73757245
+#define EFS_SUPER_MAGIC         0x414A53
+#define EXT2_SUPER_MAGIC        0xEF53
+#define EXT3_SUPER_MAGIC        0xEF53
+#define HPFS_SUPER_MAGIC        0xf995e849
+#define ISOFS_SUPER_MAGIC       0x9660
+#define JFFS2_SUPER_MAGIC       0x72b6
+
+#define MINIX_SUPER_MAGIC       0x137F          /* original minix fs */
+#define MINIX_SUPER_MAGIC2      0x138F          /* minix fs, 30 char names */
+#define MINIX2_SUPER_MAGIC      0x2468          /* minix V2 fs */
+#define MINIX2_SUPER_MAGIC2     0x2478          /* minix V2 fs, 30 char names */
+
+#define MSDOS_SUPER_MAGIC       0x4d44          /* MD */
+#define NCP_SUPER_MAGIC         0x564c          /* Guess, what 0x564c is :-) */
+#define NFS_SUPER_MAGIC         0x6969
+#define OPENPROM_SUPER_MAGIC    0x9fa1
+#define PROC_SUPER_MAGIC        0x9fa0
+#define QNX4_SUPER_MAGIC        0x002f          /* qnx4 fs detection */
+
+#define REISERFS_SUPER_MAGIC    0x52654973      /* used by gcc */
+                                        /* used by file system utilities that
+                                           look at the superblock, etc.  */
+#define REISERFS_SUPER_MAGIC_STRING     "ReIsErFs"
+#define REISER2FS_SUPER_MAGIC_STRING    "ReIsEr2Fs"
+#define REISER2FS_JR_SUPER_MAGIC_STRING "ReIsEr3Fs"
+
+#define SMB_SUPER_MAGIC         0x517B
+#define USBDEVICE_SUPER_MAGIC   0x9fa2
+
+#endif /* __LINUX_MAGIC_H__ */
diff --git a/include/linux/minix_fs.h b/include/linux/minix_fs.h
index 1ecc3cc8cef5..916e8f72c63d 100644
--- a/include/linux/minix_fs.h
+++ b/include/linux/minix_fs.h
@@ -1,6 +1,8 @@
 #ifndef _LINUX_MINIX_FS_H
 #define _LINUX_MINIX_FS_H
 
+#include <linux/magic.h>
+
 /*
  * The minix filesystem constants/structures
  */
@@ -19,10 +21,6 @@
 
 #define MINIX_I_MAP_SLOTS       8
 #define MINIX_Z_MAP_SLOTS       64
-#define MINIX_SUPER_MAGIC       0x137F          /* original minix fs */
-#define MINIX_SUPER_MAGIC2      0x138F          /* minix fs, 30 char names */
-#define MINIX2_SUPER_MAGIC      0x2468          /* minix V2 fs */
-#define MINIX2_SUPER_MAGIC2     0x2478          /* minix V2 fs, 30 char names */
 #define MINIX_VALID_FS          0x0001          /* Clean fs. */
 #define MINIX_ERROR_FS          0x0002          /* fs has errors. */
 
diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h
index d9035c73e5d1..bae62d62dc3e 100644
--- a/include/linux/msdos_fs.h
+++ b/include/linux/msdos_fs.h
@@ -1,6 +1,8 @@
 #ifndef _LINUX_MSDOS_FS_H
 #define _LINUX_MSDOS_FS_H
 
+#include <linux/magic.h>
+
 /*
  * The MS-DOS filesystem constants/structures
  */
@@ -18,8 +20,6 @@
 #define CT_LE_L(v)      cpu_to_le32(v)
 
 
-#define MSDOS_SUPER_MAGIC 0x4d44 /* MD */
-
 #define MSDOS_ROOT_INO  1       /* == MINIX_ROOT_INO */
 #define MSDOS_DIR_BITS  5       /* log2(sizeof(struct msdos_dir_entry)) */
 
diff --git a/include/linux/ncp_fs.h b/include/linux/ncp_fs.h
index b208f0cd556b..02e352be717e 100644
--- a/include/linux/ncp_fs.h
+++ b/include/linux/ncp_fs.h
@@ -11,6 +11,7 @@
 #include <linux/fs.h>
 #include <linux/in.h>
 #include <linux/types.h>
+#include <linux/magic.h>
 
 #include <linux/ipx.h>
 #include <linux/ncp_no.h>
@@ -185,10 +186,6 @@ struct ncp_entry_info {
         __u8                    file_handle[6];
 };
 
-/* Guess, what 0x564c is :-) */
-#define NCP_SUPER_MAGIC  0x564c
-
-
 static inline struct ncp_server *NCP_SBP(struct super_block *sb)
 {
         return sb->s_fs_info;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 4f2c2b6beb5e..43289127b458 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -342,7 +342,7 @@ struct net_device
         /* Instance data managed by the core of Wireless Extensions. */
         struct iw_public_data * wireless_data;
 
-        struct ethtool_ops *ethtool_ops;
+        const struct ethtool_ops *ethtool_ops;
 
         /*
          * This marks the end of the "visible" part of the structure. All
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 3b5b04193fee..36f5bcf513b0 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -9,6 +9,8 @@
 #ifndef _LINUX_NFS_FS_H
 #define _LINUX_NFS_FS_H
 
+#include <linux/magic.h>
+
 /*
  * Enable debugging support for nfs client.
  * Requires RPC_DEBUG.
@@ -22,11 +24,6 @@
 #define NFS_MAX_TCP_TIMEOUT     (600*HZ)
 
 /*
- * superblock magic number for NFS
- */
-#define NFS_SUPER_MAGIC                 0x6969
-
-/*
  * When flushing a cluster of dirty pages, there can be different
  * strategies:
  */
diff --git a/include/linux/openprom_fs.h b/include/linux/openprom_fs.h
deleted file mode 100644
index a837aab8217e..000000000000
--- a/include/linux/openprom_fs.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef _LINUX_OPENPROM_FS_H
-#define _LINUX_OPENPROM_FS_H
-
-/*
- * The openprom filesystem constants/structures
- */
-
-#define OPENPROM_SUPER_MAGIC 0x9fa1
-
-#endif /* _LINUX_OPENPROM_FS_H */
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 17e75783e3a5..3435ca38dd14 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -4,6 +4,7 @@
 #include <linux/slab.h>
 #include <linux/fs.h>
 #include <linux/spinlock.h>
+#include <linux/magic.h>
 #include <asm/atomic.h>
 
 /*
@@ -24,8 +25,6 @@ enum {
         PROC_ROOT_INO = 1,
 };
 
-#define PROC_SUPER_MAGIC 0x9fa0
-
 /*
  * This is not completely implemented yet. The idea is to
  * create an in-memory tree (like the actual /proc filesystem
diff --git a/include/linux/qnx4_fs.h b/include/linux/qnx4_fs.h
index 27f49c85d5d6..0c7ac444fd35 100644
--- a/include/linux/qnx4_fs.h
+++ b/include/linux/qnx4_fs.h
@@ -11,6 +11,7 @@
 #define _LINUX_QNX4_FS_H
 
 #include <linux/qnxtypes.h>
+#include <linux/magic.h>
 
 #define QNX4_ROOT_INO 1
 
@@ -25,7 +26,6 @@
 
 #define QNX4_I_MAP_SLOTS        8
 #define QNX4_Z_MAP_SLOTS        64
-#define QNX4_SUPER_MAGIC        0x002f  /* qnx4 fs detection */
 #define QNX4_VALID_FS           0x0001  /* Clean fs. */
 #define QNX4_ERROR_FS           0x0002  /* fs has errors. */
 #define QNX4_BLOCK_SIZE         0x200   /* blocksize of 512 bytes */
diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h
index daa2d83cefe8..28493ffaafe7 100644
--- a/include/linux/reiserfs_fs.h
+++ b/include/linux/reiserfs_fs.h
@@ -12,6 +12,8 @@
 #define _LINUX_REISER_FS_H
 
 #include <linux/types.h>
+#include <linux/magic.h>
+
 #ifdef __KERNEL__
 #include <linux/slab.h>
 #include <linux/interrupt.h>
@@ -227,14 +229,6 @@ struct reiserfs_super_block {
          ((!is_reiserfs_jr(SB_DISK_SUPER_BLOCK(s)) ? \
          SB_ONDISK_JOURNAL_SIZE(s) + 1 : SB_ONDISK_RESERVED_FOR_JOURNAL(s)))
 
-                                /* used by gcc */
-#define REISERFS_SUPER_MAGIC 0x52654973
-                                /* used by file system utilities that
-                                   look at the superblock, etc. */
-#define REISERFS_SUPER_MAGIC_STRING "ReIsErFs"
-#define REISER2FS_SUPER_MAGIC_STRING "ReIsEr2Fs"
-#define REISER2FS_JR_SUPER_MAGIC_STRING "ReIsEr3Fs"
-
 int is_reiserfs_3_5(struct reiserfs_super_block *rs);
 int is_reiserfs_3_6(struct reiserfs_super_block *rs);
 int is_reiserfs_jr(struct reiserfs_super_block *rs);
diff --git a/include/linux/smb.h b/include/linux/smb.h
index b0162208c963..6df3b1501559 100644
--- a/include/linux/smb.h
+++ b/include/linux/smb.h
@@ -10,6 +10,7 @@
 #define _LINUX_SMB_H
 
 #include <linux/types.h>
+#include <linux/magic.h>
 
 enum smb_protocol { 
         SMB_PROTOCOL_NONE, 
@@ -101,8 +102,6 @@ enum smb_conn_state {
         CONN_RETRYING           /* Currently trying to reconnect */
 };
 
-#define SMB_SUPER_MAGIC               0x517B
-
 #define SMB_HEADER_LEN   37     /* includes everything up to, but not
                                  * including smb_bcc */
 
diff --git a/include/linux/usbdevice_fs.h b/include/linux/usbdevice_fs.h
index 7b7aadb69092..617d8a1c59ae 100644
--- a/include/linux/usbdevice_fs.h
+++ b/include/linux/usbdevice_fs.h
@@ -32,11 +32,10 @@
 #define _LINUX_USBDEVICE_FS_H
 
 #include <linux/types.h>
+#include <linux/magic.h>
 
 /* --------------------------------------------------------------------- */
 
-#define USBDEVICE_SUPER_MAGIC 0x9fa2
-
 /* usbdevfs ioctl codes */
 
 struct usbdevfs_ctrltransfer {
diff --git a/include/net/ieee80211.h b/include/net/ieee80211.h
index ecc42864b001..b174ebb277a9 100644
--- a/include/net/ieee80211.h
+++ b/include/net/ieee80211.h
@@ -240,6 +240,11 @@ struct ieee80211_snap_hdr {
 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
 
+/* 802.11g ERP information element */
+#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
+#define WLAN_ERP_USE_PROTECTION (1<<1)
+#define WLAN_ERP_BARKER_PREAMBLE (1<<2)
+
 /* Status codes */
 enum ieee80211_statuscode {
         WLAN_STATUS_SUCCESS = 0,
@@ -747,6 +752,8 @@ struct ieee80211_txb {
 #define NETWORK_HAS_IBSS_DFS            (1<<8)
 #define NETWORK_HAS_TPC_REPORT          (1<<9)
 
+#define NETWORK_HAS_ERP_VALUE           (1<<10)
+
 #define QOS_QUEUE_NUM                   4
 #define QOS_OUI_LEN                     3
 #define QOS_OUI_TYPE                    2
@@ -1252,6 +1259,8 @@ extern int ieee80211_tx_frame(struct ieee80211_device *ieee,
                               int total_len, int encrypt_mpdu);
 
 /* ieee80211_rx.c */
+extern void ieee80211_rx_any(struct ieee80211_device *ieee,
+                     struct sk_buff *skb, struct ieee80211_rx_stats *stats);
 extern int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
                         struct ieee80211_rx_stats *rx_stats);
 /* make sure to set stats->len */
diff --git a/include/net/ieee80211softmac.h b/include/net/ieee80211softmac.h
index 00ad810eb883..425b3a57ac74 100644
--- a/include/net/ieee80211softmac.h
+++ b/include/net/ieee80211softmac.h
@@ -86,9 +86,6 @@ struct ieee80211softmac_assoc_info {
         
         /* BSSID we're trying to associate to */
         char bssid[ETH_ALEN];
-
-        /* Rates supported by the network */
-        struct ieee80211softmac_ratesinfo supported_rates;
         
         /* some flags.
          * static_essid is valid if the essid is constant,
@@ -103,6 +100,7 @@ struct ieee80211softmac_assoc_info {
          * bssfixed is used for SIOCSIWAP.
          */
         u8 static_essid:1,
+           short_preamble_available:1,
            associating:1,
            assoc_wait:1,
            bssvalid:1,
@@ -115,6 +113,19 @@ struct ieee80211softmac_assoc_info {
         struct work_struct timeout;
 };
 
+struct ieee80211softmac_bss_info {
+        /* Rates supported by the network */
+        struct ieee80211softmac_ratesinfo supported_rates;
+
+        /* This indicates whether frames can currently be transmitted with
+         * short preamble (only use this variable during TX at CCK rates) */
+        u8 short_preamble:1;
+
+        /* This indicates whether protection (e.g. self-CTS) should be used
+         * when transmitting with OFDM modulation */
+        u8 use_protection:1;
+};
+
 enum {
         IEEE80211SOFTMAC_AUTH_OPEN_REQUEST      = 1,
         IEEE80211SOFTMAC_AUTH_OPEN_RESPONSE     = 2,
@@ -157,6 +168,10 @@ struct ieee80211softmac_txrates {
 #define IEEE80211SOFTMAC_TXRATECHG_MCAST                (1 << 2) /* mcast_rate */
 #define IEEE80211SOFTMAC_TXRATECHG_MGT_MCAST            (1 << 3) /* mgt_mcast_rate */
 
+#define IEEE80211SOFTMAC_BSSINFOCHG_RATES               (1 << 0) /* supported_rates */
+#define IEEE80211SOFTMAC_BSSINFOCHG_SHORT_PREAMBLE      (1 << 1) /* short_preamble */
+#define IEEE80211SOFTMAC_BSSINFOCHG_PROTECTION          (1 << 2) /* use_protection */
+
 struct ieee80211softmac_device {
         /* 802.11 structure for data stuff */
         struct ieee80211_device *ieee;
@@ -200,10 +215,16 @@ struct ieee80211softmac_device {
          * The driver just needs to read them.
          */
         struct ieee80211softmac_txrates txrates;
-        /* If the driver needs to do stuff on TX rate changes, assign this callback. */
+
+        /* If the driver needs to do stuff on TX rate changes, assign this
+         * callback. See IEEE80211SOFTMAC_TXRATECHG for change flags. */
         void (*txrates_change)(struct net_device *dev,
-                               u32 changes, /* see IEEE80211SOFTMAC_TXRATECHG flags */
-                               const struct ieee80211softmac_txrates *rates_before_change);
+                               u32 changes);
+
+        /* If the driver needs to do stuff when BSS properties change, assign
+         * this callback. see IEEE80211SOFTMAC_BSSINFOCHG for change flags. */
+        void (*bssinfo_change)(struct net_device *dev,
+                               u32 changes);
 
         /* private stuff follows */
         /* this lock protects this structure */
@@ -216,6 +237,7 @@ struct ieee80211softmac_device {
         
         struct ieee80211softmac_scaninfo *scaninfo;
         struct ieee80211softmac_assoc_info associnfo;
+        struct ieee80211softmac_bss_info bssinfo;
 
         struct list_head auth_queue;
         struct list_head events;
@@ -257,6 +279,14 @@ extern void ieee80211softmac_fragment_lost(struct net_device *dev,
  * Note that the rates need to be sorted. */
 extern void ieee80211softmac_set_rates(struct net_device *dev, u8 count, u8 *rates);
 
+/* Finds the highest rate which is:
+ *  1. Present in ri (optionally a basic rate)
+ *  2. Supported by the device
+ *  3. Less than or equal to the user-defined rate
+ */
+extern u8 ieee80211softmac_highest_supported_rate(struct ieee80211softmac_device *mac,
+        struct ieee80211softmac_ratesinfo *ri, int basic_only);
+
 /* Helper function which advises you the rate at which a frame should be
  * transmitted at. */
 static inline u8 ieee80211softmac_suggest_txrate(struct ieee80211softmac_device *mac,
@@ -279,6 +309,24 @@ static inline u8 ieee80211softmac_suggest_txrate(struct ieee80211softmac_device
                 return txrates->mcast_rate;
 }
 
+/* Helper function which advises you when it is safe to transmit with short
+ * preamble.
+ * You should only call this function when transmitting at CCK rates. */
+static inline int ieee80211softmac_short_preamble_ok(struct ieee80211softmac_device *mac,
+                                                    int is_multicast,
+                                                    int is_mgt)
+{
+        return (is_multicast && is_mgt) ? 0 : mac->bssinfo.short_preamble;
+}
+
+/* Helper function which advises you whether protection (e.g. self-CTS) is
+ * needed. 1 = protection needed, 0 = no protection needed
+ * Only use this function when transmitting with OFDM modulation. */
+static inline int ieee80211softmac_protection_needed(struct ieee80211softmac_device *mac)
+{
+        return mac->bssinfo.use_protection;
+}
+
 /* Start the SoftMAC. Call this after you initialized the device
  * and it is ready to run.
  */