actube/src/mod/capwap/capwap_in_mtu_discovery_padding.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/>.
*/
#include "cw/capwap.h"
#include "cw/msgset.h"
#include "cw/dbg.h"
int capwap_in_mtu_discovery_padding(struct cw_ElemHandler *eh,
struct cw_ElemHandlerParams *params, uint8_t * data,
int len)
{
int i, n;
n = 0;
for (i = 0; i < len; i++) {
if (data[i] != 0xff)
n++;
}
if (n){
cw_dbg(DBG_RFC,
"MTU discovery padding msg elem contains %d non-0xFF byte(s) out of %d, See RFC 5415.",
n, len);
if (0 /*params->conn->strict_capwap*/)
return CAPWAP_RESULT_UNRECOGNIZED_MESSAGE_ELEMENT;
}
return CAPWAP_RESULT_SUCCESS;
}