actube/src/capwap/cw_readelem_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 "capwap.h"
#include "cw_log.h"
int cw_readelem_mtu_discovery_padding(int type, uint8_t * msgelem, int len)
{
if (type != CWMSGELEM_MTU_DISCOVERY_PADDING)
return 0;
if (!cw_dbg_is_level(DBG_CW_RFC))
return 1;
int i, n = 0;
for (i = 0; i < len; i++) {
if (msgelem[i] != 0xff)
n++;
}
if (n)
cw_dbg(DBG_CW_RFC,
"MTU discovery padding msgelem contains %d non-0xFF byte(s) out of %d, See RFC 5415.",
n, len);
return 1;
}