/*
    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/msget.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 (params->conn->strict_capwap)
			return CAPWAP_RESULT_UNRECOGNIZED_MESSAGE_ELEMENT;
	}
	return CAPWAP_RESULT_SUCCESS;
}