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FossilOrigin-Name: f70c860593b308486ebee367077241a847581e6ec5a27550eb7410ababdcd3a4
This commit is contained in:
7u83@mail.ru 2015-03-23 21:31:59 +00:00
parent 61943b4dc0
commit 98dd096e46
1 changed files with 61 additions and 0 deletions
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61
src/capwap/lw_addelem.c Normal file
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#include <string.h>
#include "lwapp.h"
#include "lwapp_cisco.h"
int lw_addelem(uint8_t*dst, uint8_t type, uint8_t *msgelem, uint16_t len)
{
*dst = type;
*((uint16_t*)(dst+1)) = htons(len);
memcpy(dst,msgelem,len);
return len+3;
}
int lw_addelem_vendor_specific(uint8_t *dst,uint32_t vendor_id,uint16_t elem_id, uint8_t *value, int len)
{
lw_put_dword(dst+3,vendor_id);
lw_put_word(dst+7,elem_id);
memcpy(dst+9,value,len);
int l = len+9;
*dst=LW_ELEM_VENDOR_SPECIFIC;
lw_put_word(dst+1,l);
return l;
}
/**
* Add the vendor specific elem Cisco Padding
* @param dst destination
*/
int lw_addelem_cisco_padding(uint8_t *dst, int len)
{
lw_put_dword(dst+3,LW_VENDOR_CISCO);
lw_put_word(dst+7,LW_ELEM_CISCO_PATH_MTU);
lw_put_word(dst+9,len);
memset(dst+11,0,len);
return lw_put_elem_hdr(dst,LW_ELEM_VENDOR_SPECIFIC,11+len);
}
int lw_put_cisco_path_mtu(uint8_t *dst, uint16_t max, uint16_t padding)
{
lw_put_dword(dst,LW_VENDOR_CISCO);
lw_put_word(dst+4,LW_ELEM_CISCO_PATH_MTU);
lw_put_word(dst+6,max);
lw_put_word(dst+8,padding+4);
memset(dst+10,0,padding);
return padding+10;
}
/*
int lw_addelem_cisco_path_mtu(uint8_t *dst,uint16_t max, uint16_t padding)
{
lw_put_cisco_path_mtu(dst+3,max,padding);
}
*/