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/*
* Copyright(c) 2009 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*
* Maintained at www.Open-FCoE.org
*/
#include "fcoemon_utils.h"
#include "net_types.h"
#include "fc_types.h"
/*
* Convert 48-bit IEEE MAC address to 64-bit FC WWN.
*/
fc_wwn_t
fc_wwn_from_mac(u_int64_t mac, u_int scheme, u_int port)
{
fc_wwn_t wwn;
ASSERT(mac < (1ULL << 48));
wwn = mac | ((fc_wwn_t) scheme << 60);
switch (scheme) {
case 1:
ASSERT(port == 0);
break;
case 2:
ASSERT(port < 0xfff);
wwn |= (fc_wwn_t) port << 48;
break;
default:
ASSERT_NOTREACHED;
break;
}
return wwn;
}
/* assumes input is pointer to two hex digits */
/* returns -1 on error */
int
hex2int(char *b)
{
int i;
int n = 0;
int m;
for (i = 0, m = 1; i < 2; i++, m--) {
if (isxdigit(*(b+i))) {
if (*(b+i) <= '9')
n |= (*(b+i) & 0x0f) << (4*m);
else
n |= ((*(b+i) & 0x0f) + 9) << (4*m);
} else
return -1;
}
return n;
}
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