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Added spoome defines.

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FossilOrigin-Name: 4dffb6ad7468c1fc9ac28b27f6d7925173d20c570bd87b886588946bb4badd18
This commit is contained in:
7u83@mail.ru 2016-03-24 21:40:08 +00:00
parent 3a781dbc1d
commit a502776f1c
1 changed files with 59 additions and 4 deletions
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63
src/cw/dot11.h
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@ -2,14 +2,69 @@
#define __DOT11_H
#include <stdint.h>
#include <string.h>
extern const uint8_t dot11_tab_br[256];
#define dot11_br(b) (dot11_tab_br[b])
#define dot11_get_version(frame) (dot11_br(frame[0])&0x03)
#define dot11_get_type(frame) ((dot11_br(frame[0])&0x0c) >> 2)
#define dot11_get_subtype(frame) ((dot11_br(frame[0])&0x7f) >> 4)
#define dot11_get_byte(ptr) (*(ptr))
#define dot11_put_byte(ptr,b) (*(ptr) = b)
static inline int dot11_put_word(uint8_t *ptr,uint16_t w)
{
dot11_put_byte(ptr,w&0xff);
dot11_put_byte(ptr+1,w>>8);
return 2;
}
static inline uint16_t dot11_get_word(uint8_t *ptr)
{
uint16_t w;
w = dot11_get_byte(ptr+1);
w|= dot11_get_byte(ptr)<<8;
return w;
}
#define dot11_get_version(frame) ((frame[1])&0x03)
#define dot11_get_type(frame) (((frame[1])&0x0c) >> 2)
#define dot11_get_subtype(frame) (((frame[1])&0xf0) >> 4)
/**
* Get Frame Control field
* @param frame
* @return Frame Control field
*/
#define dot11_get_fc(frame) dot11_get_word(frame)
#define dot11_get_duration(frame) dot11_get_word(frame+2)
static inline void dot11_get_address(uint8_t * dst, uint8_t *frame, int field)
{
uint8_t *s = frame+4+field*6;
memcpy(dst,s,6);
}
#define dot11_get_address1(dst,frame) dot11_get_address(dst,frame,0)
#define dot11_get_address2(dst,frame) dot11_get_address(dst,frame,1)
#define dot11_get_address3(dst,frame) dot11_get_address(dst,frame,2)
#define dot11_get_sequence_control(frame) dot11_get_word(frame+22)
#define DOT11_FC_FLAG_FROM_DS 0x100
#define DOT11_FC_FLAG_TO_DS 0x200
#define DOT11_FC_FLAG_MOREFRAGS 0x400
#define DOT11_FC_FLAG_RETRY 0x800
#define DOT11_FC_FLAG_POWERMGMT 0x1000
#define DOT11_FC_FLAG_MOREDATA 0x2000
#define DOT11_FC_FLAG_PROTECTED 0x4000
#define DOT11_FC_FLAG_ORDER 0x8000
#define dot11_fc_get_version(fc) ((fc)&0x3)
#define dot11_fc_get_type(fc) (((fc)&0x0c)>>2)
#define dot11_fc_get_subtype(fc) (((fc)&0xf0)>>4)
#define dot11_fc_get_from_ds(fc) (fc&DOT11_FC_FLAG_FROM_DS?1:0)
#define dot11_fc_get_to_ds(fc) (fc&DOT11_FC_FLAG_TO_DS?1:0)
#define dot11_fc_get_more_fragments(fc) (fc&DOT11_FC_FLAG_MOREFRAGS?1:0)
#endif