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/*
* This file define the new driver API for Wireless Extensions
*
* Version : 8 16.3.07
*
* Authors : Jean Tourrilhes - HPL - <jt@hpl.hp.com>
* Copyright (c) 2001-2007 Jean Tourrilhes, All Rights Reserved.
*/
#ifndef _IW_HANDLER_H
#define _IW_HANDLER_H
#include <linux/wireless.h>
#include <linux/if_ether.h>
#define IW_HANDLER_VERSION 8
#define IW_WIRELESS_SPY
#define IW_WIRELESS_THRSPY
#define EIWCOMMIT EINPROGRESS
#define IW_REQUEST_FLAG_COMPAT 0x0001
#define IW_HEADER_TYPE_NULL 0
#define IW_HEADER_TYPE_CHAR 2
#define IW_HEADER_TYPE_UINT 4
#define IW_HEADER_TYPE_FREQ 5
#define IW_HEADER_TYPE_ADDR 6
#define IW_HEADER_TYPE_POINT 8
#define IW_HEADER_TYPE_PARAM 9
#define IW_HEADER_TYPE_QUAL 10
#define IW_DESCR_FLAG_NONE 0x0000
#define IW_DESCR_FLAG_DUMP 0x0001
#define IW_DESCR_FLAG_EVENT 0x0002
#define IW_DESCR_FLAG_RESTRICT 0x0004
#define IW_DESCR_FLAG_NOMAX 0x0008
#define IW_DESCR_FLAG_WAIT 0x0100
struct iw_request_info {
__u16 cmd;
__u16 flags;
};
struct net_device;
typedef int (*iw_handler)(struct net_device *dev, struct iw_request_info *info,
union iwreq_data *wrqu, char *extra);
struct iw_handler_def {
const iw_handler * standard;
__u16 num_standard;
#ifdef CONFIG_WEXT_PRIV
__u16 num_private;
__u16 num_private_args;
const iw_handler * private;
const struct iw_priv_args * private_args;
#endif
struct iw_statistics* (*get_wireless_stats)(struct net_device *dev);
};
struct iw_ioctl_description {
__u8 header_type;
__u8 token_type;
__u16 token_size;
__u16 min_tokens;
__u16 max_tokens;
__u32 flags;
};
struct iw_spy_data {
int spy_number;
u_char spy_address[IW_MAX_SPY][ETH_ALEN];
struct iw_quality spy_stat[IW_MAX_SPY];
struct iw_quality spy_thr_low;
struct iw_quality spy_thr_high;
u_char spy_thr_under[IW_MAX_SPY];
};
struct libipw_device;
struct iw_public_data {
struct iw_spy_data * spy_data;
struct libipw_device * libipw;
};
extern int dev_get_wireless_info(char * buffer, char **start, off_t offset,
int length);
extern void wireless_send_event(struct net_device * dev,
unsigned int cmd,
union iwreq_data * wrqu,
const char * extra);
extern int iw_handler_set_spy(struct net_device * dev,
struct iw_request_info * info,
union iwreq_data * wrqu,
char * extra);
extern int iw_handler_get_spy(struct net_device * dev,
struct iw_request_info * info,
union iwreq_data * wrqu,
char * extra);
extern int iw_handler_set_thrspy(struct net_device * dev,
struct iw_request_info *info,
union iwreq_data * wrqu,
char * extra);
extern int iw_handler_get_thrspy(struct net_device * dev,
struct iw_request_info *info,
union iwreq_data * wrqu,
char * extra);
extern void wireless_spy_update(struct net_device * dev,
unsigned char * address,
struct iw_quality * wstats);
static inline int iwe_stream_lcp_len(struct iw_request_info *info)
{
#ifdef CONFIG_COMPAT
if (info->flags & IW_REQUEST_FLAG_COMPAT)
return IW_EV_COMPAT_LCP_LEN;
#endif
return IW_EV_LCP_LEN;
}
static inline int iwe_stream_point_len(struct iw_request_info *info)
{
#ifdef CONFIG_COMPAT
if (info->flags & IW_REQUEST_FLAG_COMPAT)
return IW_EV_COMPAT_POINT_LEN;
#endif
return IW_EV_POINT_LEN;
}
static inline int iwe_stream_event_len_adjust(struct iw_request_info *info,
int event_len)
{
#ifdef CONFIG_COMPAT
if (info->flags & IW_REQUEST_FLAG_COMPAT) {
event_len -= IW_EV_LCP_LEN;
event_len += IW_EV_COMPAT_LCP_LEN;
}
#endif
return event_len;
}
static inline char *
iwe_stream_add_event(struct iw_request_info *info, char *stream, char *ends,
struct iw_event *iwe, int event_len)
{
int lcp_len = iwe_stream_lcp_len(info);
event_len = iwe_stream_event_len_adjust(info, event_len);
if(likely((stream + event_len) < ends)) {
iwe->len = event_len;
memcpy(stream, (char *) iwe, IW_EV_LCP_PK_LEN);
memcpy(stream + lcp_len, &iwe->u,
event_len - lcp_len);
stream += event_len;
}
return stream;
}
static inline char *
iwe_stream_add_point(struct iw_request_info *info, char *stream, char *ends,
struct iw_event *iwe, char *extra)
{
int event_len = iwe_stream_point_len(info) + iwe->u.data.length;
int point_len = iwe_stream_point_len(info);
int lcp_len = iwe_stream_lcp_len(info);
if(likely((stream + event_len) < ends)) {
iwe->len = event_len;
memcpy(stream, (char *) iwe, IW_EV_LCP_PK_LEN);
memcpy(stream + lcp_len,
((char *) &iwe->u) + IW_EV_POINT_OFF,
IW_EV_POINT_PK_LEN - IW_EV_LCP_PK_LEN);
memcpy(stream + point_len, extra, iwe->u.data.length);
stream += event_len;
}
return stream;
}
static inline char *
iwe_stream_add_value(struct iw_request_info *info, char *event, char *value,
char *ends, struct iw_event *iwe, int event_len)
{
int lcp_len = iwe_stream_lcp_len(info);
event_len -= IW_EV_LCP_LEN;
if(likely((value + event_len) < ends)) {
memcpy(value, &iwe->u, event_len);
value += event_len;
iwe->len = value - event;
memcpy(event, (char *) iwe, lcp_len);
}
return value;
}
#endif
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