actube/src/cw/cw_addelem_vendor_specific_payload.c

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/*
This file is part of libcapwap.
libcapwap is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
libcapwap is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
/**
*@file
*@brief cw_addelem_vendor_specific_payload
*/
#include "capwap.h"
/**
* Add a Vendor Specific Payload message element to a buffer
* @param dst destination buffer
* @param vendor_id the vendor id
* @param type vendor specific message type
* @data pointer to data the will be put
* @len length of data
*/
int cw_addelem_vendor_specific_payload(uint8_t * dst, uint32_t vendor_id,
uint16_t type, uint8_t * data, uint16_t len)
{
uint8_t *d = dst + 4;
d += cw_put_dword(d, vendor_id);
d += cw_put_word(d, type);
d += cw_put_data(d, data, len);
int l = d - dst;
cw_put_elem_hdr(dst, CW_ELEM_VENDOR_SPECIFIC_PAYLOAD, l - 4);
return l;
}