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FossilOrigin-Name: c53d95729c009f8f80a7d63847cef7668ff73f8af0523ab65f7734696f85399c
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7u83@mail.ru
2014-07-11 20:12:11 +00:00
parent 3234327f71
commit 2bae9358d7
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62
src/capwap/cwmsg_init.c Normal file
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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/>.
*/
#include <stdlib.h>
#include <string.h>
#include "capwap.h"
#include "cwmsg.h"
void cwmsg_init(struct cwmsg * cwmsg, uint8_t *buffer, int type, int seqnum, struct radioinfo * radioinfo)
{
int hlen=8;
cwmsg->buffer=buffer;
cwmsg->trnsprthdr=buffer;
#ifdef WITH_RMAC_SUPPORT
int rmaclen;
if (radioinfo->rmac){
rmaclen=(*radioinfo->rmac)+1;
memcpy(buffer+8,radioinfo->rmac,rmaclen);
cwmsg->flags=CWTH_FLAGS_M;
}
else
{
cwmsg->flags=0;
rmaclen=0;
}
hlen+=rmaclen;
if (hlen%4)
hlen = (hlen>>2)*4+4;
#endif
cwmsg->ctrlhdr=cwmsg->trnsprthdr+hlen;
cwmsg->msgelems=cwmsg->ctrlhdr+8;
*((uint32_t*)(cwmsg->ctrlhdr))=htonl(type+CWIANA_ENTERPRISE_NUMBER*256);
cwmsg->pos=0;
cwmsg->hlen=hlen/4;
cwmsg->rid=radioinfo->rid;
cwmsg->seqnum=seqnum;
cwmsg->type=type;
}